bnx2x_main.c 274.3 KB
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/* bnx2x_main.c: Broadcom Everest network driver.
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 *
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 * Copyright (c) 2007-2011 Broadcom Corporation
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 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation.
 *
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 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
 * Written by: Eliezer Tamir
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 * Based on code from Michael Chan's bnx2 driver
 * UDP CSUM errata workaround by Arik Gendelman
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 * Slowpath and fastpath rework by Vladislav Zolotarov
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 * Statistics and Link management by Yitchak Gertner
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 *
 */

#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/kernel.h>
#include <linux/device.h>  /* for dev_info() */
#include <linux/timer.h>
#include <linux/errno.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/dma-mapping.h>
#include <linux/bitops.h>
#include <linux/irq.h>
#include <linux/delay.h>
#include <asm/byteorder.h>
#include <linux/time.h>
#include <linux/ethtool.h>
#include <linux/mii.h>
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#include <linux/if_vlan.h>
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#include <net/ip.h>
#include <net/tcp.h>
#include <net/checksum.h>
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#include <net/ip6_checksum.h>
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#include <linux/workqueue.h>
#include <linux/crc32.h>
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#include <linux/crc32c.h>
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#include <linux/prefetch.h>
#include <linux/zlib.h>
#include <linux/io.h>
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#include <linux/stringify.h>
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#define BNX2X_MAIN
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#include "bnx2x.h"
#include "bnx2x_init.h"
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#include "bnx2x_init_ops.h"
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#include "bnx2x_cmn.h"
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#include "bnx2x_dcb.h"
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#include <linux/firmware.h>
#include "bnx2x_fw_file_hdr.h"
/* FW files */
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#define FW_FILE_VERSION					\
	__stringify(BCM_5710_FW_MAJOR_VERSION) "."	\
	__stringify(BCM_5710_FW_MINOR_VERSION) "."	\
	__stringify(BCM_5710_FW_REVISION_VERSION) "."	\
	__stringify(BCM_5710_FW_ENGINEERING_VERSION)
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#define FW_FILE_NAME_E1		"bnx2x/bnx2x-e1-" FW_FILE_VERSION ".fw"
#define FW_FILE_NAME_E1H	"bnx2x/bnx2x-e1h-" FW_FILE_VERSION ".fw"
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#define FW_FILE_NAME_E2		"bnx2x/bnx2x-e2-" FW_FILE_VERSION ".fw"
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/* Time in jiffies before concluding the transmitter is hung */
#define TX_TIMEOUT		(5*HZ)
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static char version[] __devinitdata =
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	"Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver "
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	DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";

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MODULE_AUTHOR("Eliezer Tamir");
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MODULE_DESCRIPTION("Broadcom NetXtreme II "
		   "BCM57710/57711/57711E/57712/57712E Driver");
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MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_MODULE_VERSION);
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MODULE_FIRMWARE(FW_FILE_NAME_E1);
MODULE_FIRMWARE(FW_FILE_NAME_E1H);
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MODULE_FIRMWARE(FW_FILE_NAME_E2);
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static int multi_mode = 1;
module_param(multi_mode, int, 0);
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MODULE_PARM_DESC(multi_mode, " Multi queue mode "
			     "(0 Disable; 1 Enable (default))");

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int num_queues;
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module_param(num_queues, int, 0);
MODULE_PARM_DESC(num_queues, " Number of queues for multi_mode=1"
				" (default is as a number of CPUs)");
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static int disable_tpa;
module_param(disable_tpa, int, 0);
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MODULE_PARM_DESC(disable_tpa, " Disable the TPA (LRO) feature");
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static int int_mode;
module_param(int_mode, int, 0);
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MODULE_PARM_DESC(int_mode, " Force interrupt mode other then MSI-X "
				"(1 INT#x; 2 MSI)");
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static int dropless_fc;
module_param(dropless_fc, int, 0);
MODULE_PARM_DESC(dropless_fc, " Pause on exhausted host ring");

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static int poll;
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module_param(poll, int, 0);
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MODULE_PARM_DESC(poll, " Use polling (for debug)");
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static int mrrs = -1;
module_param(mrrs, int, 0);
MODULE_PARM_DESC(mrrs, " Force Max Read Req Size (0..3) (for debug)");

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static int debug;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, " Default debug msglevel");

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static struct workqueue_struct *bnx2x_wq;
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#ifdef BCM_CNIC
static u8 ALL_ENODE_MACS[] = {0x01, 0x10, 0x18, 0x01, 0x00, 0x01};
#endif

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enum bnx2x_board_type {
	BCM57710 = 0,
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	BCM57711 = 1,
	BCM57711E = 2,
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	BCM57712 = 3,
	BCM57712E = 4
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};

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/* indexed by board_type, above */
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static struct {
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	char *name;
} board_info[] __devinitdata = {
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	{ "Broadcom NetXtreme II BCM57710 XGb" },
	{ "Broadcom NetXtreme II BCM57711 XGb" },
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	{ "Broadcom NetXtreme II BCM57711E XGb" },
	{ "Broadcom NetXtreme II BCM57712 XGb" },
	{ "Broadcom NetXtreme II BCM57712E XGb" }
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};

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static DEFINE_PCI_DEVICE_TABLE(bnx2x_pci_tbl) = {
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	{ PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57710), BCM57710 },
	{ PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711), BCM57711 },
	{ PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57711E), BCM57711E },
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	{ PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712), BCM57712 },
	{ PCI_VDEVICE(BROADCOM, PCI_DEVICE_ID_NX2_57712E), BCM57712E },
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	{ 0 }
};

MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);

/****************************************************************************
* General service functions
****************************************************************************/

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static inline void __storm_memset_dma_mapping(struct bnx2x *bp,
				       u32 addr, dma_addr_t mapping)
{
	REG_WR(bp,  addr, U64_LO(mapping));
	REG_WR(bp,  addr + 4, U64_HI(mapping));
}

static inline void __storm_memset_fill(struct bnx2x *bp,
				       u32 addr, size_t size, u32 val)
{
	int i;
	for (i = 0; i < size/4; i++)
		REG_WR(bp,  addr + (i * 4), val);
}

static inline void storm_memset_ustats_zero(struct bnx2x *bp,
					    u8 port, u16 stat_id)
{
	size_t size = sizeof(struct ustorm_per_client_stats);

	u32 addr = BAR_USTRORM_INTMEM +
			USTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);

	__storm_memset_fill(bp, addr, size, 0);
}

static inline void storm_memset_tstats_zero(struct bnx2x *bp,
					    u8 port, u16 stat_id)
{
	size_t size = sizeof(struct tstorm_per_client_stats);

	u32 addr = BAR_TSTRORM_INTMEM +
			TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);

	__storm_memset_fill(bp, addr, size, 0);
}

static inline void storm_memset_xstats_zero(struct bnx2x *bp,
					    u8 port, u16 stat_id)
{
	size_t size = sizeof(struct xstorm_per_client_stats);

	u32 addr = BAR_XSTRORM_INTMEM +
			XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, stat_id);

	__storm_memset_fill(bp, addr, size, 0);
}


static inline void storm_memset_spq_addr(struct bnx2x *bp,
					 dma_addr_t mapping, u16 abs_fid)
{
	u32 addr = XSEM_REG_FAST_MEMORY +
			XSTORM_SPQ_PAGE_BASE_OFFSET(abs_fid);

	__storm_memset_dma_mapping(bp, addr, mapping);
}

static inline void storm_memset_ov(struct bnx2x *bp, u16 ov, u16 abs_fid)
{
	REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(abs_fid), ov);
}

static inline void storm_memset_func_cfg(struct bnx2x *bp,
				struct tstorm_eth_function_common_config *tcfg,
				u16 abs_fid)
{
	size_t size = sizeof(struct tstorm_eth_function_common_config);

	u32 addr = BAR_TSTRORM_INTMEM +
			TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(abs_fid);

	__storm_memset_struct(bp, addr, size, (u32 *)tcfg);
}

static inline void storm_memset_xstats_flags(struct bnx2x *bp,
				struct stats_indication_flags *flags,
				u16 abs_fid)
{
	size_t size = sizeof(struct stats_indication_flags);

	u32 addr = BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(abs_fid);

	__storm_memset_struct(bp, addr, size, (u32 *)flags);
}

static inline void storm_memset_tstats_flags(struct bnx2x *bp,
				struct stats_indication_flags *flags,
				u16 abs_fid)
{
	size_t size = sizeof(struct stats_indication_flags);

	u32 addr = BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(abs_fid);

	__storm_memset_struct(bp, addr, size, (u32 *)flags);
}

static inline void storm_memset_ustats_flags(struct bnx2x *bp,
				struct stats_indication_flags *flags,
				u16 abs_fid)
{
	size_t size = sizeof(struct stats_indication_flags);

	u32 addr = BAR_USTRORM_INTMEM + USTORM_STATS_FLAGS_OFFSET(abs_fid);

	__storm_memset_struct(bp, addr, size, (u32 *)flags);
}

static inline void storm_memset_cstats_flags(struct bnx2x *bp,
				struct stats_indication_flags *flags,
				u16 abs_fid)
{
	size_t size = sizeof(struct stats_indication_flags);

	u32 addr = BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(abs_fid);

	__storm_memset_struct(bp, addr, size, (u32 *)flags);
}

static inline void storm_memset_xstats_addr(struct bnx2x *bp,
					   dma_addr_t mapping, u16 abs_fid)
{
	u32 addr = BAR_XSTRORM_INTMEM +
		XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);

	__storm_memset_dma_mapping(bp, addr, mapping);
}

static inline void storm_memset_tstats_addr(struct bnx2x *bp,
					   dma_addr_t mapping, u16 abs_fid)
{
	u32 addr = BAR_TSTRORM_INTMEM +
		TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);

	__storm_memset_dma_mapping(bp, addr, mapping);
}

static inline void storm_memset_ustats_addr(struct bnx2x *bp,
					   dma_addr_t mapping, u16 abs_fid)
{
	u32 addr = BAR_USTRORM_INTMEM +
		USTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);

	__storm_memset_dma_mapping(bp, addr, mapping);
}

static inline void storm_memset_cstats_addr(struct bnx2x *bp,
					   dma_addr_t mapping, u16 abs_fid)
{
	u32 addr = BAR_CSTRORM_INTMEM +
		CSTORM_ETH_STATS_QUERY_ADDR_OFFSET(abs_fid);

	__storm_memset_dma_mapping(bp, addr, mapping);
}

static inline void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
					 u16 pf_id)
{
	REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
		pf_id);
	REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
		pf_id);
	REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
		pf_id);
	REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
		pf_id);
}

static inline void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
					u8 enable)
{
	REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
		enable);
	REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
		enable);
	REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
		enable);
	REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
		enable);
}

static inline void storm_memset_eq_data(struct bnx2x *bp,
				struct event_ring_data *eq_data,
				u16 pfid)
{
	size_t size = sizeof(struct event_ring_data);

	u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_DATA_OFFSET(pfid);

	__storm_memset_struct(bp, addr, size, (u32 *)eq_data);
}

static inline void storm_memset_eq_prod(struct bnx2x *bp, u16 eq_prod,
					u16 pfid)
{
	u32 addr = BAR_CSTRORM_INTMEM + CSTORM_EVENT_RING_PROD_OFFSET(pfid);
	REG_WR16(bp, addr, eq_prod);
}

static inline void storm_memset_hc_timeout(struct bnx2x *bp, u8 port,
					     u16 fw_sb_id, u8 sb_index,
					     u8 ticks)
{

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	int index_offset = CHIP_IS_E2(bp) ?
		offsetof(struct hc_status_block_data_e2, index_data) :
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		offsetof(struct hc_status_block_data_e1x, index_data);
	u32 addr = BAR_CSTRORM_INTMEM +
			CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
			index_offset +
			sizeof(struct hc_index_data)*sb_index +
			offsetof(struct hc_index_data, timeout);
	REG_WR8(bp, addr, ticks);
	DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d ticks %d\n",
			  port, fw_sb_id, sb_index, ticks);
}
static inline void storm_memset_hc_disable(struct bnx2x *bp, u8 port,
					     u16 fw_sb_id, u8 sb_index,
					     u8 disable)
{
	u32 enable_flag = disable ? 0 : (1 << HC_INDEX_DATA_HC_ENABLED_SHIFT);
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	int index_offset = CHIP_IS_E2(bp) ?
		offsetof(struct hc_status_block_data_e2, index_data) :
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		offsetof(struct hc_status_block_data_e1x, index_data);
	u32 addr = BAR_CSTRORM_INTMEM +
			CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
			index_offset +
			sizeof(struct hc_index_data)*sb_index +
			offsetof(struct hc_index_data, flags);
	u16 flags = REG_RD16(bp, addr);
	/* clear and set */
	flags &= ~HC_INDEX_DATA_HC_ENABLED;
	flags |= enable_flag;
	REG_WR16(bp, addr, flags);
	DP(NETIF_MSG_HW, "port %x fw_sb_id %d sb_index %d disable %d\n",
			  port, fw_sb_id, sb_index, disable);
}

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/* used only at init
 * locking is done by mcp
 */
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static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
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{
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
	pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val);
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
			       PCICFG_VENDOR_ID_OFFSET);
}

static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr)
{
	u32 val;

	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr);
	pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val);
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
			       PCICFG_VENDOR_ID_OFFSET);

	return val;
}

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#define DMAE_DP_SRC_GRC		"grc src_addr [%08x]"
#define DMAE_DP_SRC_PCI		"pci src_addr [%x:%08x]"
#define DMAE_DP_DST_GRC		"grc dst_addr [%08x]"
#define DMAE_DP_DST_PCI		"pci dst_addr [%x:%08x]"
#define DMAE_DP_DST_NONE	"dst_addr [none]"

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static void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae,
			  int msglvl)
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{
	u32 src_type = dmae->opcode & DMAE_COMMAND_SRC;

	switch (dmae->opcode & DMAE_COMMAND_DST) {
	case DMAE_CMD_DST_PCI:
		if (src_type == DMAE_CMD_SRC_PCI)
			DP(msglvl, "DMAE: opcode 0x%08x\n"
			   "src [%x:%08x], len [%d*4], dst [%x:%08x]\n"
			   "comp_addr [%x:%08x], comp_val 0x%08x\n",
			   dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
			   dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
			   dmae->comp_addr_hi, dmae->comp_addr_lo,
			   dmae->comp_val);
		else
			DP(msglvl, "DMAE: opcode 0x%08x\n"
			   "src [%08x], len [%d*4], dst [%x:%08x]\n"
			   "comp_addr [%x:%08x], comp_val 0x%08x\n",
			   dmae->opcode, dmae->src_addr_lo >> 2,
			   dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo,
			   dmae->comp_addr_hi, dmae->comp_addr_lo,
			   dmae->comp_val);
		break;
	case DMAE_CMD_DST_GRC:
		if (src_type == DMAE_CMD_SRC_PCI)
			DP(msglvl, "DMAE: opcode 0x%08x\n"
			   "src [%x:%08x], len [%d*4], dst_addr [%08x]\n"
			   "comp_addr [%x:%08x], comp_val 0x%08x\n",
			   dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
			   dmae->len, dmae->dst_addr_lo >> 2,
			   dmae->comp_addr_hi, dmae->comp_addr_lo,
			   dmae->comp_val);
		else
			DP(msglvl, "DMAE: opcode 0x%08x\n"
			   "src [%08x], len [%d*4], dst [%08x]\n"
			   "comp_addr [%x:%08x], comp_val 0x%08x\n",
			   dmae->opcode, dmae->src_addr_lo >> 2,
			   dmae->len, dmae->dst_addr_lo >> 2,
			   dmae->comp_addr_hi, dmae->comp_addr_lo,
			   dmae->comp_val);
		break;
	default:
		if (src_type == DMAE_CMD_SRC_PCI)
			DP(msglvl, "DMAE: opcode 0x%08x\n"
			   DP_LEVEL "src_addr [%x:%08x]  len [%d * 4]  "
				    "dst_addr [none]\n"
			   DP_LEVEL "comp_addr [%x:%08x]  comp_val 0x%08x\n",
			   dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo,
			   dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
			   dmae->comp_val);
		else
			DP(msglvl, "DMAE: opcode 0x%08x\n"
			   DP_LEVEL "src_addr [%08x]  len [%d * 4]  "
				    "dst_addr [none]\n"
			   DP_LEVEL "comp_addr [%x:%08x]  comp_val 0x%08x\n",
			   dmae->opcode, dmae->src_addr_lo >> 2,
			   dmae->len, dmae->comp_addr_hi, dmae->comp_addr_lo,
			   dmae->comp_val);
		break;
	}

}

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const u32 dmae_reg_go_c[] = {
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	DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3,
	DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7,
	DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11,
	DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15
};

/* copy command into DMAE command memory and set DMAE command go */
502
void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, int idx)
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{
	u32 cmd_offset;
	int i;

	cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx);
	for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
		REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i));

511 512
		DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
		   idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i));
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	}
	REG_WR(bp, dmae_reg_go_c[idx], 1);
}

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u32 bnx2x_dmae_opcode_add_comp(u32 opcode, u8 comp_type)
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{
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	return opcode | ((comp_type << DMAE_COMMAND_C_DST_SHIFT) |
			   DMAE_CMD_C_ENABLE);
}
522

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u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
{
	return opcode & ~DMAE_CMD_SRC_RESET;
}
527

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u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
			     bool with_comp, u8 comp_type)
{
	u32 opcode = 0;

	opcode |= ((src_type << DMAE_COMMAND_SRC_SHIFT) |
		   (dst_type << DMAE_COMMAND_DST_SHIFT));
535

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	opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET);

	opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0);
	opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) |
		   (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT));
	opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT);
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#ifdef __BIG_ENDIAN
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	opcode |= DMAE_CMD_ENDIANITY_B_DW_SWAP;
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#else
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	opcode |= DMAE_CMD_ENDIANITY_DW_SWAP;
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#endif
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	if (with_comp)
		opcode = bnx2x_dmae_opcode_add_comp(opcode, comp_type);
	return opcode;
}

553 554 555
static void bnx2x_prep_dmae_with_comp(struct bnx2x *bp,
				      struct dmae_command *dmae,
				      u8 src_type, u8 dst_type)
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{
	memset(dmae, 0, sizeof(struct dmae_command));

	/* set the opcode */
	dmae->opcode = bnx2x_dmae_opcode(bp, src_type, dst_type,
					 true, DMAE_COMP_PCI);

	/* fill in the completion parameters */
	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp));
	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp));
	dmae->comp_val = DMAE_COMP_VAL;
}

/* issue a dmae command over the init-channel and wailt for completion */
570 571
static int bnx2x_issue_dmae_with_comp(struct bnx2x *bp,
				      struct dmae_command *dmae)
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{
	u32 *wb_comp = bnx2x_sp(bp, wb_comp);
574
	int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 4000;
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	int rc = 0;

	DP(BNX2X_MSG_OFF, "data before [0x%08x 0x%08x 0x%08x 0x%08x]\n",
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	   bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
	   bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);

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	/* lock the dmae channel */
582
	spin_lock_bh(&bp->dmae_lock);
583

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	/* reset completion */
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	*wb_comp = 0;

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	/* post the command on the channel used for initializations */
	bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp));
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	/* wait for completion */
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	udelay(5);
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	while ((*wb_comp & ~DMAE_PCI_ERR_FLAG) != DMAE_COMP_VAL) {
593 594 595
		DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp);

		if (!cnt) {
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			BNX2X_ERR("DMAE timeout!\n");
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			rc = DMAE_TIMEOUT;
			goto unlock;
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		}
600
		cnt--;
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		udelay(50);
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	}
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	if (*wb_comp & DMAE_PCI_ERR_FLAG) {
		BNX2X_ERR("DMAE PCI error!\n");
		rc = DMAE_PCI_ERROR;
	}

	DP(BNX2X_MSG_OFF, "data after [0x%08x 0x%08x 0x%08x 0x%08x]\n",
	   bp->slowpath->wb_data[0], bp->slowpath->wb_data[1],
	   bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]);
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unlock:
613
	spin_unlock_bh(&bp->dmae_lock);
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	return rc;
}

void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr,
		      u32 len32)
{
	struct dmae_command dmae;

	if (!bp->dmae_ready) {
		u32 *data = bnx2x_sp(bp, wb_data[0]);

		DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x  len32 %d)"
		   "  using indirect\n", dst_addr, len32);
		bnx2x_init_ind_wr(bp, dst_addr, data, len32);
		return;
	}

	/* set opcode and fixed command fields */
	bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_PCI, DMAE_DST_GRC);

	/* fill in addresses and len */
	dmae.src_addr_lo = U64_LO(dma_addr);
	dmae.src_addr_hi = U64_HI(dma_addr);
	dmae.dst_addr_lo = dst_addr >> 2;
	dmae.dst_addr_hi = 0;
	dmae.len = len32;

	bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);

	/* issue the command and wait for completion */
	bnx2x_issue_dmae_with_comp(bp, &dmae);
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}

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void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32)
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{
649
	struct dmae_command dmae;
650 651 652 653 654 655 656 657 658 659 660 661

	if (!bp->dmae_ready) {
		u32 *data = bnx2x_sp(bp, wb_data[0]);
		int i;

		DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x  len32 %d)"
		   "  using indirect\n", src_addr, len32);
		for (i = 0; i < len32; i++)
			data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4);
		return;
	}

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	/* set opcode and fixed command fields */
	bnx2x_prep_dmae_with_comp(bp, &dmae, DMAE_SRC_GRC, DMAE_DST_PCI);
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	/* fill in addresses and len */
666 667 668 669 670
	dmae.src_addr_lo = src_addr >> 2;
	dmae.src_addr_hi = 0;
	dmae.dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data));
	dmae.dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data));
	dmae.len = len32;
671

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	bnx2x_dp_dmae(bp, &dmae, BNX2X_MSG_OFF);
673

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	/* issue the command and wait for completion */
	bnx2x_issue_dmae_with_comp(bp, &dmae);
676 677
}

678 679
static void bnx2x_write_dmae_phys_len(struct bnx2x *bp, dma_addr_t phys_addr,
				      u32 addr, u32 len)
680
{
681
	int dmae_wr_max = DMAE_LEN32_WR_MAX(bp);
682 683
	int offset = 0;

684
	while (len > dmae_wr_max) {
685
		bnx2x_write_dmae(bp, phys_addr + offset,
686 687 688
				 addr + offset, dmae_wr_max);
		offset += dmae_wr_max * 4;
		len -= dmae_wr_max;
689 690 691 692 693
	}

	bnx2x_write_dmae(bp, phys_addr + offset, addr + offset, len);
}

694 695 696 697 698 699 700 701
/* used only for slowpath so not inlined */
static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo)
{
	u32 wb_write[2];

	wb_write[0] = val_hi;
	wb_write[1] = val_lo;
	REG_WR_DMAE(bp, reg, wb_write, 2);
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}

704 705 706 707 708 709 710 711 712 713 714
#ifdef USE_WB_RD
static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg)
{
	u32 wb_data[2];

	REG_RD_DMAE(bp, reg, wb_data, 2);

	return HILO_U64(wb_data[0], wb_data[1]);
}
#endif

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static int bnx2x_mc_assert(struct bnx2x *bp)
{
	char last_idx;
718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829
	int i, rc = 0;
	u32 row0, row1, row2, row3;

	/* XSTORM */
	last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM +
			   XSTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_XSTRORM_INTMEM +
			      XSTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
		}
	}

	/* TSTORM */
	last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM +
			   TSTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_TSTRORM_INTMEM +
			      TSTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
		}
	}

	/* CSTORM */
	last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM +
			   CSTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_CSTRORM_INTMEM +
			      CSTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
		}
	}

	/* USTORM */
	last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM +
			   USTORM_ASSERT_LIST_INDEX_OFFSET);
	if (last_idx)
		BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx);

	/* print the asserts */
	for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) {

		row0 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i));
		row1 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i) + 4);
		row2 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i) + 8);
		row3 = REG_RD(bp, BAR_USTRORM_INTMEM +
			      USTORM_ASSERT_LIST_OFFSET(i) + 12);

		if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) {
			BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x"
				  " 0x%08x 0x%08x 0x%08x\n",
				  i, row3, row2, row1, row0);
			rc++;
		} else {
			break;
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		}
	}
832

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	return rc;
}
E
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835

E
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836 837
static void bnx2x_fw_dump(struct bnx2x *bp)
{
V
Vladislav Zolotarov 已提交
838
	u32 addr;
E
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839
	u32 mark, offset;
840
	__be32 data[9];
E
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841
	int word;
D
Dmitry Kravkov 已提交
842
	u32 trace_shmem_base;
843 844 845 846
	if (BP_NOMCP(bp)) {
		BNX2X_ERR("NO MCP - can not dump\n");
		return;
	}
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Vladislav Zolotarov 已提交
847

D
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848 849 850 851 852
	if (BP_PATH(bp) == 0)
		trace_shmem_base = bp->common.shmem_base;
	else
		trace_shmem_base = SHMEM2_RD(bp, other_shmem_base_addr);
	addr = trace_shmem_base - 0x0800 + 4;
V
Vladislav Zolotarov 已提交
853
	mark = REG_RD(bp, addr);
D
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854 855
	mark = (CHIP_IS_E1x(bp) ? MCP_REG_MCPR_SCRATCH : MCP_A_REG_MCPR_SCRATCH)
			+ ((mark + 0x3) & ~0x3) - 0x08000000;
856
	pr_err("begin fw dump (mark 0x%x)\n", mark);
E
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857

858
	pr_err("");
D
Dmitry Kravkov 已提交
859
	for (offset = mark; offset <= trace_shmem_base; offset += 0x8*4) {
E
Eliezer Tamir 已提交
860
		for (word = 0; word < 8; word++)
V
Vladislav Zolotarov 已提交
861
			data[word] = htonl(REG_RD(bp, offset + 4*word));
E
Eliezer Tamir 已提交
862
		data[8] = 0x0;
863
		pr_cont("%s", (char *)data);
E
Eliezer Tamir 已提交
864
	}
V
Vladislav Zolotarov 已提交
865
	for (offset = addr + 4; offset <= mark; offset += 0x8*4) {
E
Eliezer Tamir 已提交
866
		for (word = 0; word < 8; word++)
V
Vladislav Zolotarov 已提交
867
			data[word] = htonl(REG_RD(bp, offset + 4*word));
E
Eliezer Tamir 已提交
868
		data[8] = 0x0;
869
		pr_cont("%s", (char *)data);
E
Eliezer Tamir 已提交
870
	}
871
	pr_err("end of fw dump\n");
E
Eliezer Tamir 已提交
872 873
}

874
void bnx2x_panic_dump(struct bnx2x *bp)
E
Eliezer Tamir 已提交
875 876
{
	int i;
877 878 879 880 881 882
	u16 j;
	struct hc_sp_status_block_data sp_sb_data;
	int func = BP_FUNC(bp);
#ifdef BNX2X_STOP_ON_ERROR
	u16 start = 0, end = 0;
#endif
E
Eliezer Tamir 已提交
883

Y
Yitchak Gertner 已提交
884 885 886
	bp->stats_state = STATS_STATE_DISABLED;
	DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");

E
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887 888
	BNX2X_ERR("begin crash dump -----------------\n");

E
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889 890
	/* Indices */
	/* Common */
891
	BNX2X_ERR("def_idx(0x%x)  def_att_idx(0x%x)  attn_state(0x%x)"
V
Vladislav Zolotarov 已提交
892
		  "  spq_prod_idx(0x%x)\n",
893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920
		  bp->def_idx, bp->def_att_idx,
		  bp->attn_state, bp->spq_prod_idx);
	BNX2X_ERR("DSB: attn bits(0x%x)  ack(0x%x)  id(0x%x)  idx(0x%x)\n",
		  bp->def_status_blk->atten_status_block.attn_bits,
		  bp->def_status_blk->atten_status_block.attn_bits_ack,
		  bp->def_status_blk->atten_status_block.status_block_id,
		  bp->def_status_blk->atten_status_block.attn_bits_index);
	BNX2X_ERR("     def (");
	for (i = 0; i < HC_SP_SB_MAX_INDICES; i++)
		pr_cont("0x%x%s",
		       bp->def_status_blk->sp_sb.index_values[i],
		       (i == HC_SP_SB_MAX_INDICES - 1) ? ")  " : " ");

	for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
		*((u32 *)&sp_sb_data + i) = REG_RD(bp, BAR_CSTRORM_INTMEM +
			CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
			i*sizeof(u32));

	pr_cont("igu_sb_id(0x%x)  igu_seg_id (0x%x) "
			 "pf_id(0x%x)  vnic_id(0x%x)  "
			 "vf_id(0x%x)  vf_valid (0x%x)\n",
	       sp_sb_data.igu_sb_id,
	       sp_sb_data.igu_seg_id,
	       sp_sb_data.p_func.pf_id,
	       sp_sb_data.p_func.vnic_id,
	       sp_sb_data.p_func.vf_id,
	       sp_sb_data.p_func.vf_valid);

E
Eilon Greenstein 已提交
921

V
Vladislav Zolotarov 已提交
922
	for_each_eth_queue(bp, i) {
E
Eliezer Tamir 已提交
923
		struct bnx2x_fastpath *fp = &bp->fp[i];
924
		int loop;
D
Dmitry Kravkov 已提交
925
		struct hc_status_block_data_e2 sb_data_e2;
926 927
		struct hc_status_block_data_e1x sb_data_e1x;
		struct hc_status_block_sm  *hc_sm_p =
D
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			CHIP_IS_E2(bp) ?
			sb_data_e2.common.state_machine :
930 931
			sb_data_e1x.common.state_machine;
		struct hc_index_data *hc_index_p =
D
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932 933
			CHIP_IS_E2(bp) ?
			sb_data_e2.index_data :
934 935 936 937 938
			sb_data_e1x.index_data;
		int data_size;
		u32 *sb_data_p;

		/* Rx */
V
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939
		BNX2X_ERR("fp%d: rx_bd_prod(0x%x)  rx_bd_cons(0x%x)"
940
			  "  rx_comp_prod(0x%x)"
V
Vladislav Zolotarov 已提交
941
			  "  rx_comp_cons(0x%x)  *rx_cons_sb(0x%x)\n",
E
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942
			  i, fp->rx_bd_prod, fp->rx_bd_cons,
943
			  fp->rx_comp_prod,
Y
Yitchak Gertner 已提交
944
			  fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb));
V
Vladislav Zolotarov 已提交
945
		BNX2X_ERR("     rx_sge_prod(0x%x)  last_max_sge(0x%x)"
946
			  "  fp_hc_idx(0x%x)\n",
E
Eilon Greenstein 已提交
947
			  fp->rx_sge_prod, fp->last_max_sge,
948
			  le16_to_cpu(fp->fp_hc_idx));
E
Eliezer Tamir 已提交
949

950
		/* Tx */
V
Vladislav Zolotarov 已提交
951 952 953
		BNX2X_ERR("fp%d: tx_pkt_prod(0x%x)  tx_pkt_cons(0x%x)"
			  "  tx_bd_prod(0x%x)  tx_bd_cons(0x%x)"
			  "  *tx_cons_sb(0x%x)\n",
E
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954 955
			  i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
			  fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb));
956

D
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		loop = CHIP_IS_E2(bp) ?
			HC_SB_MAX_INDICES_E2 : HC_SB_MAX_INDICES_E1X;
959 960 961

		/* host sb data */

V
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962 963 964 965
#ifdef BCM_CNIC
		if (IS_FCOE_FP(fp))
			continue;
#endif
966 967 968 969 970 971 972 973 974 975 976 977
		BNX2X_ERR("     run indexes (");
		for (j = 0; j < HC_SB_MAX_SM; j++)
			pr_cont("0x%x%s",
			       fp->sb_running_index[j],
			       (j == HC_SB_MAX_SM - 1) ? ")" : " ");

		BNX2X_ERR("     indexes (");
		for (j = 0; j < loop; j++)
			pr_cont("0x%x%s",
			       fp->sb_index_values[j],
			       (j == loop - 1) ? ")" : " ");
		/* fw sb data */
D
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		data_size = CHIP_IS_E2(bp) ?
			sizeof(struct hc_status_block_data_e2) :
980 981
			sizeof(struct hc_status_block_data_e1x);
		data_size /= sizeof(u32);
D
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982 983 984
		sb_data_p = CHIP_IS_E2(bp) ?
			(u32 *)&sb_data_e2 :
			(u32 *)&sb_data_e1x;
985 986 987 988 989 990
		/* copy sb data in here */
		for (j = 0; j < data_size; j++)
			*(sb_data_p + j) = REG_RD(bp, BAR_CSTRORM_INTMEM +
				CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id) +
				j * sizeof(u32));

D
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991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007
		if (CHIP_IS_E2(bp)) {
			pr_cont("pf_id(0x%x)  vf_id (0x%x)  vf_valid(0x%x) "
				"vnic_id(0x%x)  same_igu_sb_1b(0x%x)\n",
				sb_data_e2.common.p_func.pf_id,
				sb_data_e2.common.p_func.vf_id,
				sb_data_e2.common.p_func.vf_valid,
				sb_data_e2.common.p_func.vnic_id,
				sb_data_e2.common.same_igu_sb_1b);
		} else {
			pr_cont("pf_id(0x%x)  vf_id (0x%x)  vf_valid(0x%x) "
				"vnic_id(0x%x)  same_igu_sb_1b(0x%x)\n",
				sb_data_e1x.common.p_func.pf_id,
				sb_data_e1x.common.p_func.vf_id,
				sb_data_e1x.common.p_func.vf_valid,
				sb_data_e1x.common.p_func.vnic_id,
				sb_data_e1x.common.same_igu_sb_1b);
		}
1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028

		/* SB_SMs data */
		for (j = 0; j < HC_SB_MAX_SM; j++) {
			pr_cont("SM[%d] __flags (0x%x) "
			       "igu_sb_id (0x%x)  igu_seg_id(0x%x) "
			       "time_to_expire (0x%x) "
			       "timer_value(0x%x)\n", j,
			       hc_sm_p[j].__flags,
			       hc_sm_p[j].igu_sb_id,
			       hc_sm_p[j].igu_seg_id,
			       hc_sm_p[j].time_to_expire,
			       hc_sm_p[j].timer_value);
		}

		/* Indecies data */
		for (j = 0; j < loop; j++) {
			pr_cont("INDEX[%d] flags (0x%x) "
					 "timeout (0x%x)\n", j,
			       hc_index_p[j].flags,
			       hc_index_p[j].timeout);
		}
E
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	}
E
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1030

1031
#ifdef BNX2X_STOP_ON_ERROR
E
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1032 1033
	/* Rings */
	/* Rx */
V
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1034
	for_each_rx_queue(bp, i) {
E
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		struct bnx2x_fastpath *fp = &bp->fp[i];
E
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		start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10);
		end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503);
E
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1039
		for (j = start; j != end; j = RX_BD(j + 1)) {
E
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			u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
			struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];

E
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			BNX2X_ERR("fp%d: rx_bd[%x]=[%x:%x]  sw_bd=[%p]\n",
				  i, j, rx_bd[1], rx_bd[0], sw_bd->skb);
E
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		}

1047 1048
		start = RX_SGE(fp->rx_sge_prod);
		end = RX_SGE(fp->last_max_sge);
E
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1049
		for (j = start; j != end; j = RX_SGE(j + 1)) {
1050 1051 1052
			u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j];
			struct sw_rx_page *sw_page = &fp->rx_page_ring[j];

E
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1053 1054
			BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x]  sw_page=[%p]\n",
				  i, j, rx_sge[1], rx_sge[0], sw_page->page);
1055 1056
		}

E
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		start = RCQ_BD(fp->rx_comp_cons - 10);
		end = RCQ_BD(fp->rx_comp_cons + 503);
E
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1059
		for (j = start; j != end; j = RCQ_BD(j + 1)) {
E
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1060 1061
			u32 *cqe = (u32 *)&fp->rx_comp_ring[j];

E
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1062 1063
			BNX2X_ERR("fp%d: cqe[%x]=[%x:%x:%x:%x]\n",
				  i, j, cqe[0], cqe[1], cqe[2], cqe[3]);
E
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		}
	}

E
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	/* Tx */
V
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	for_each_tx_queue(bp, i) {
E
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		struct bnx2x_fastpath *fp = &bp->fp[i];

		start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10);
		end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245);
		for (j = start; j != end; j = TX_BD(j + 1)) {
			struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];

E
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1076 1077
			BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
				  i, j, sw_bd->skb, sw_bd->first_bd);
E
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1078 1079 1080 1081 1082 1083 1084
		}

		start = TX_BD(fp->tx_bd_cons - 10);
		end = TX_BD(fp->tx_bd_cons + 254);
		for (j = start; j != end; j = TX_BD(j + 1)) {
			u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];

E
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1085 1086
			BNX2X_ERR("fp%d: tx_bd[%x]=[%x:%x:%x:%x]\n",
				  i, j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
E
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		}
	}
1089
#endif
1090
	bnx2x_fw_dump(bp);
E
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	bnx2x_mc_assert(bp);
	BNX2X_ERR("end crash dump -----------------\n");
}

D
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static void bnx2x_hc_int_enable(struct bnx2x *bp)
E
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{
1097
	int port = BP_PORT(bp);
E
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	u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
	u32 val = REG_RD(bp, addr);
	int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
E
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	int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
E
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	if (msix) {
E
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		val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
			 HC_CONFIG_0_REG_INT_LINE_EN_0);
E
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		val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
			HC_CONFIG_0_REG_ATTN_BIT_EN_0);
E
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	} else if (msi) {
		val &= ~HC_CONFIG_0_REG_INT_LINE_EN_0;
		val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
			HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
			HC_CONFIG_0_REG_ATTN_BIT_EN_0);
E
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	} else {
		val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
E
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			HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
E
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			HC_CONFIG_0_REG_INT_LINE_EN_0 |
			HC_CONFIG_0_REG_ATTN_BIT_EN_0);
E
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1119 1120 1121
		if (!CHIP_IS_E1(bp)) {
			DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
			   val, port, addr);
E
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1123
			REG_WR(bp, addr, val);
E
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1125 1126
			val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
		}
E
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	}

1129 1130 1131
	if (CHIP_IS_E1(bp))
		REG_WR(bp, HC_REG_INT_MASK + port*4, 0x1FFFF);

E
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	DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)  mode %s\n",
	   val, port, addr, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));
E
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	REG_WR(bp, addr, val);
E
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	/*
	 * Ensure that HC_CONFIG is written before leading/trailing edge config
	 */
	mmiowb();
	barrier();
1141

D
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	if (!CHIP_IS_E1(bp)) {
1143
		/* init leading/trailing edge */
D
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		if (IS_MF(bp)) {
E
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			val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1146
			if (bp->port.pmf)
E
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				/* enable nig and gpio3 attention */
				val |= 0x1100;
1149 1150 1151 1152 1153 1154
		} else
			val = 0xffff;

		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
	}
E
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	/* Make sure that interrupts are indeed enabled from here on */
	mmiowb();
E
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}

D
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static void bnx2x_igu_int_enable(struct bnx2x *bp)
{
	u32 val;
	int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
	int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;

	val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);

	if (msix) {
		val &= ~(IGU_PF_CONF_INT_LINE_EN |
			 IGU_PF_CONF_SINGLE_ISR_EN);
		val |= (IGU_PF_CONF_FUNC_EN |
			IGU_PF_CONF_MSI_MSIX_EN |
			IGU_PF_CONF_ATTN_BIT_EN);
	} else if (msi) {
		val &= ~IGU_PF_CONF_INT_LINE_EN;
		val |= (IGU_PF_CONF_FUNC_EN |
			IGU_PF_CONF_MSI_MSIX_EN |
			IGU_PF_CONF_ATTN_BIT_EN |
			IGU_PF_CONF_SINGLE_ISR_EN);
	} else {
		val &= ~IGU_PF_CONF_MSI_MSIX_EN;
		val |= (IGU_PF_CONF_FUNC_EN |
			IGU_PF_CONF_INT_LINE_EN |
			IGU_PF_CONF_ATTN_BIT_EN |
			IGU_PF_CONF_SINGLE_ISR_EN);
	}

	DP(NETIF_MSG_INTR, "write 0x%x to IGU  mode %s\n",
	   val, (msix ? "MSI-X" : (msi ? "MSI" : "INTx")));

	REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);

	barrier();

	/* init leading/trailing edge */
	if (IS_MF(bp)) {
		val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
		if (bp->port.pmf)
			/* enable nig and gpio3 attention */
			val |= 0x1100;
	} else
		val = 0xffff;

	REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
	REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);

	/* Make sure that interrupts are indeed enabled from here on */
	mmiowb();
}

void bnx2x_int_enable(struct bnx2x *bp)
{
	if (bp->common.int_block == INT_BLOCK_HC)
		bnx2x_hc_int_enable(bp);
	else
		bnx2x_igu_int_enable(bp);
}

static void bnx2x_hc_int_disable(struct bnx2x *bp)
E
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1220
{
1221
	int port = BP_PORT(bp);
E
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	u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
	u32 val = REG_RD(bp, addr);

1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244
	/*
	 * in E1 we must use only PCI configuration space to disable
	 * MSI/MSIX capablility
	 * It's forbitten to disable IGU_PF_CONF_MSI_MSIX_EN in HC block
	 */
	if (CHIP_IS_E1(bp)) {
		/*  Since IGU_PF_CONF_MSI_MSIX_EN still always on
		 *  Use mask register to prevent from HC sending interrupts
		 *  after we exit the function
		 */
		REG_WR(bp, HC_REG_INT_MASK + port*4, 0);

		val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
			 HC_CONFIG_0_REG_INT_LINE_EN_0 |
			 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
	} else
		val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
			 HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
			 HC_CONFIG_0_REG_INT_LINE_EN_0 |
			 HC_CONFIG_0_REG_ATTN_BIT_EN_0);
E
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	DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
	   val, port, addr);

E
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	/* flush all outstanding writes */
	mmiowb();

E
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	REG_WR(bp, addr, val);
	if (REG_RD(bp, addr) != val)
		BNX2X_ERR("BUG! proper val not read from IGU!\n");
}

D
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static void bnx2x_igu_int_disable(struct bnx2x *bp)
{
	u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);

	val &= ~(IGU_PF_CONF_MSI_MSIX_EN |
		 IGU_PF_CONF_INT_LINE_EN |
		 IGU_PF_CONF_ATTN_BIT_EN);

	DP(NETIF_MSG_INTR, "write %x to IGU\n", val);

	/* flush all outstanding writes */
	mmiowb();

	REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
	if (REG_RD(bp, IGU_REG_PF_CONFIGURATION) != val)
		BNX2X_ERR("BUG! proper val not read from IGU!\n");
}

1275
static void bnx2x_int_disable(struct bnx2x *bp)
D
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{
	if (bp->common.int_block == INT_BLOCK_HC)
		bnx2x_hc_int_disable(bp);
	else
		bnx2x_igu_int_disable(bp);
}

D
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void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw)
E
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{
	int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
E
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	int i, offset;
E
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1287

1288
	/* disable interrupt handling */
E
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1289
	atomic_inc(&bp->intr_sem);
E
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1290 1291
	smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */

Y
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	if (disable_hw)
		/* prevent the HW from sending interrupts */
		bnx2x_int_disable(bp);
E
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	/* make sure all ISRs are done */
	if (msix) {
E
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		synchronize_irq(bp->msix_table[0].vector);
		offset = 1;
1300 1301 1302
#ifdef BCM_CNIC
		offset++;
#endif
V
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		for_each_eth_queue(bp, i)
E
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1304
			synchronize_irq(bp->msix_table[i + offset].vector);
E
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	} else
		synchronize_irq(bp->pdev->irq);

	/* make sure sp_task is not running */
1309 1310
	cancel_delayed_work(&bp->sp_task);
	flush_workqueue(bnx2x_wq);
E
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}

1313
/* fast path */
E
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/*
1316
 * General service functions
E
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 */

1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333
/* Return true if succeeded to acquire the lock */
static bool bnx2x_trylock_hw_lock(struct bnx2x *bp, u32 resource)
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;

	DP(NETIF_MSG_HW, "Trying to take a lock on resource %d\n", resource);

	/* Validating that the resource is within range */
	if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
		DP(NETIF_MSG_HW,
		   "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
		   resource, HW_LOCK_MAX_RESOURCE_VALUE);
1334
		return false;
1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352
	}

	if (func <= 5)
		hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
	else
		hw_lock_control_reg =
				(MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);

	/* Try to acquire the lock */
	REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
	lock_status = REG_RD(bp, hw_lock_control_reg);
	if (lock_status & resource_bit)
		return true;

	DP(NETIF_MSG_HW, "Failed to get a lock on resource %d\n", resource);
	return false;
}

1353 1354 1355
#ifdef BCM_CNIC
static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
#endif
1356

D
Dmitry Kravkov 已提交
1357
void bnx2x_sp_event(struct bnx2x_fastpath *fp,
E
Eliezer Tamir 已提交
1358 1359 1360 1361 1362 1363
			   union eth_rx_cqe *rr_cqe)
{
	struct bnx2x *bp = fp->bp;
	int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data);
	int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data);

1364
	DP(BNX2X_MSG_SP,
E
Eliezer Tamir 已提交
1365
	   "fp %d  cid %d  got ramrod #%d  state is %x  type is %d\n",
1366
	   fp->index, cid, command, bp->state,
1367
	   rr_cqe->ramrod_cqe.ramrod_type);
E
Eliezer Tamir 已提交
1368

1369 1370 1371 1372
	switch (command | fp->state) {
	case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | BNX2X_FP_STATE_OPENING):
		DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", cid);
		fp->state = BNX2X_FP_STATE_OPEN;
E
Eliezer Tamir 已提交
1373 1374
		break;

1375 1376
	case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING):
		DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", cid);
E
Eliezer Tamir 已提交
1377 1378 1379
		fp->state = BNX2X_FP_STATE_HALTED;
		break;

1380 1381 1382
	case (RAMROD_CMD_ID_ETH_TERMINATE | BNX2X_FP_STATE_TERMINATING):
		DP(NETIF_MSG_IFDOWN, "got MULTI[%d] teminate ramrod\n", cid);
		fp->state = BNX2X_FP_STATE_TERMINATED;
E
Eliezer Tamir 已提交
1383 1384
		break;

1385 1386 1387 1388
	default:
		BNX2X_ERR("unexpected MC reply (%d)  "
			  "fp[%d] state is %x\n",
			  command, fp->index, fp->state);
1389
		break;
1390
	}
1391

1392
	smp_mb__before_atomic_inc();
1393
	atomic_inc(&bp->cq_spq_left);
1394 1395
	/* push the change in fp->state and towards the memory */
	smp_wmb();
1396

1397
	return;
E
Eliezer Tamir 已提交
1398 1399
}

D
Dmitry Kravkov 已提交
1400
irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
E
Eliezer Tamir 已提交
1401
{
E
Eilon Greenstein 已提交
1402
	struct bnx2x *bp = netdev_priv(dev_instance);
E
Eliezer Tamir 已提交
1403
	u16 status = bnx2x_ack_int(bp);
1404
	u16 mask;
E
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1405
	int i;
E
Eliezer Tamir 已提交
1406

1407
	/* Return here if interrupt is shared and it's not for us */
E
Eliezer Tamir 已提交
1408 1409 1410 1411
	if (unlikely(status == 0)) {
		DP(NETIF_MSG_INTR, "not our interrupt!\n");
		return IRQ_NONE;
	}
E
Eilon Greenstein 已提交
1412
	DP(NETIF_MSG_INTR, "got an interrupt  status 0x%x\n", status);
E
Eliezer Tamir 已提交
1413

1414
	/* Return here if interrupt is disabled */
E
Eliezer Tamir 已提交
1415 1416 1417 1418 1419
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
		return IRQ_HANDLED;
	}

1420 1421 1422 1423 1424
#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return IRQ_HANDLED;
#endif

V
Vladislav Zolotarov 已提交
1425
	for_each_eth_queue(bp, i) {
E
Eilon Greenstein 已提交
1426
		struct bnx2x_fastpath *fp = &bp->fp[i];
E
Eliezer Tamir 已提交
1427

1428
		mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
E
Eilon Greenstein 已提交
1429
		if (status & mask) {
1430 1431 1432
			/* Handle Rx and Tx according to SB id */
			prefetch(fp->rx_cons_sb);
			prefetch(fp->tx_cons_sb);
1433
			prefetch(&fp->sb_running_index[SM_RX_ID]);
1434
			napi_schedule(&bnx2x_fp(bp, fp->index, napi));
E
Eilon Greenstein 已提交
1435 1436
			status &= ~mask;
		}
E
Eliezer Tamir 已提交
1437 1438
	}

1439
#ifdef BCM_CNIC
1440
	mask = 0x2;
1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452
	if (status & (mask | 0x1)) {
		struct cnic_ops *c_ops = NULL;

		rcu_read_lock();
		c_ops = rcu_dereference(bp->cnic_ops);
		if (c_ops)
			c_ops->cnic_handler(bp->cnic_data, NULL);
		rcu_read_unlock();

		status &= ~mask;
	}
#endif
E
Eliezer Tamir 已提交
1453

1454
	if (unlikely(status & 0x1)) {
1455
		queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
E
Eliezer Tamir 已提交
1456 1457 1458 1459 1460 1461

		status &= ~0x1;
		if (!status)
			return IRQ_HANDLED;
	}

V
Vladislav Zolotarov 已提交
1462 1463
	if (unlikely(status))
		DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
1464
		   status);
E
Eliezer Tamir 已提交
1465

Y
Yaniv Rosner 已提交
1466
	return IRQ_HANDLED;
E
Eliezer Tamir 已提交
1467 1468
}

Y
Yaniv Rosner 已提交
1469
/* end of fast path */
E
Eliezer Tamir 已提交
1470 1471


Y
Yaniv Rosner 已提交
1472 1473 1474 1475 1476
/* Link */

/*
 * General service functions
 */
E
Eliezer Tamir 已提交
1477

D
Dmitry Kravkov 已提交
1478
int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Y
Yaniv Rosner 已提交
1479 1480 1481
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
Y
Yitchak Gertner 已提交
1482 1483
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;
Y
Yaniv Rosner 已提交
1484
	int cnt;
E
Eliezer Tamir 已提交
1485

Y
Yaniv Rosner 已提交
1486 1487 1488 1489 1490 1491 1492
	/* Validating that the resource is within range */
	if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
		DP(NETIF_MSG_HW,
		   "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
		   resource, HW_LOCK_MAX_RESOURCE_VALUE);
		return -EINVAL;
	}
E
Eliezer Tamir 已提交
1493

Y
Yitchak Gertner 已提交
1494 1495 1496 1497 1498 1499 1500
	if (func <= 5) {
		hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
	} else {
		hw_lock_control_reg =
				(MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
	}

Y
Yaniv Rosner 已提交
1501
	/* Validating that the resource is not already taken */
Y
Yitchak Gertner 已提交
1502
	lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1503 1504 1505 1506 1507
	if (lock_status & resource_bit) {
		DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
		   lock_status, resource_bit);
		return -EEXIST;
	}
E
Eliezer Tamir 已提交
1508

E
Eilon Greenstein 已提交
1509 1510
	/* Try for 5 second every 5ms */
	for (cnt = 0; cnt < 1000; cnt++) {
Y
Yaniv Rosner 已提交
1511
		/* Try to acquire the lock */
Y
Yitchak Gertner 已提交
1512 1513
		REG_WR(bp, hw_lock_control_reg + 4, resource_bit);
		lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1514 1515
		if (lock_status & resource_bit)
			return 0;
E
Eliezer Tamir 已提交
1516

Y
Yaniv Rosner 已提交
1517
		msleep(5);
E
Eliezer Tamir 已提交
1518
	}
Y
Yaniv Rosner 已提交
1519 1520 1521
	DP(NETIF_MSG_HW, "Timeout\n");
	return -EAGAIN;
}
E
Eliezer Tamir 已提交
1522

D
Dmitry Kravkov 已提交
1523
int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Y
Yaniv Rosner 已提交
1524 1525 1526
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
Y
Yitchak Gertner 已提交
1527 1528
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;
E
Eliezer Tamir 已提交
1529

1530 1531
	DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);

Y
Yaniv Rosner 已提交
1532 1533 1534 1535 1536 1537 1538 1539
	/* Validating that the resource is within range */
	if (resource > HW_LOCK_MAX_RESOURCE_VALUE) {
		DP(NETIF_MSG_HW,
		   "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n",
		   resource, HW_LOCK_MAX_RESOURCE_VALUE);
		return -EINVAL;
	}

Y
Yitchak Gertner 已提交
1540 1541 1542 1543 1544 1545 1546
	if (func <= 5) {
		hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8);
	} else {
		hw_lock_control_reg =
				(MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8);
	}

Y
Yaniv Rosner 已提交
1547
	/* Validating that the resource is currently taken */
Y
Yitchak Gertner 已提交
1548
	lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1549 1550 1551 1552
	if (!(lock_status & resource_bit)) {
		DP(NETIF_MSG_HW, "lock_status 0x%x  resource_bit 0x%x\n",
		   lock_status, resource_bit);
		return -EFAULT;
E
Eliezer Tamir 已提交
1553 1554
	}

D
Dmitry Kravkov 已提交
1555 1556
	REG_WR(bp, hw_lock_control_reg, resource_bit);
	return 0;
Y
Yaniv Rosner 已提交
1557
}
E
Eliezer Tamir 已提交
1558

D
Dmitry Kravkov 已提交
1559

E
Eilon Greenstein 已提交
1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589
int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port)
{
	/* The GPIO should be swapped if swap register is set and active */
	int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
			 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
	int gpio_shift = gpio_num +
			(gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
	u32 gpio_mask = (1 << gpio_shift);
	u32 gpio_reg;
	int value;

	if (gpio_num > MISC_REGISTERS_GPIO_3) {
		BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
		return -EINVAL;
	}

	/* read GPIO value */
	gpio_reg = REG_RD(bp, MISC_REG_GPIO);

	/* get the requested pin value */
	if ((gpio_reg & gpio_mask) == gpio_mask)
		value = 1;
	else
		value = 0;

	DP(NETIF_MSG_LINK, "pin %d  value 0x%x\n", gpio_num, value);

	return value;
}

1590
int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Y
Yaniv Rosner 已提交
1591 1592 1593
{
	/* The GPIO should be swapped if swap register is set and active */
	int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1594
			 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Y
Yaniv Rosner 已提交
1595 1596 1597 1598
	int gpio_shift = gpio_num +
			(gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
	u32 gpio_mask = (1 << gpio_shift);
	u32 gpio_reg;
E
Eliezer Tamir 已提交
1599

Y
Yaniv Rosner 已提交
1600 1601 1602 1603
	if (gpio_num > MISC_REGISTERS_GPIO_3) {
		BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
		return -EINVAL;
	}
E
Eliezer Tamir 已提交
1604

Y
Yitchak Gertner 已提交
1605
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Y
Yaniv Rosner 已提交
1606 1607
	/* read GPIO and mask except the float bits */
	gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT);
E
Eliezer Tamir 已提交
1608

Y
Yaniv Rosner 已提交
1609 1610 1611 1612 1613 1614 1615 1616
	switch (mode) {
	case MISC_REGISTERS_GPIO_OUTPUT_LOW:
		DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n",
		   gpio_num, gpio_shift);
		/* clear FLOAT and set CLR */
		gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
		gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS);
		break;
E
Eliezer Tamir 已提交
1617

Y
Yaniv Rosner 已提交
1618 1619 1620 1621 1622 1623 1624
	case MISC_REGISTERS_GPIO_OUTPUT_HIGH:
		DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n",
		   gpio_num, gpio_shift);
		/* clear FLOAT and set SET */
		gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
		gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_SET_POS);
		break;
E
Eliezer Tamir 已提交
1625

1626
	case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Y
Yaniv Rosner 已提交
1627 1628 1629 1630 1631
		DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n",
		   gpio_num, gpio_shift);
		/* set FLOAT */
		gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS);
		break;
E
Eliezer Tamir 已提交
1632

Y
Yaniv Rosner 已提交
1633 1634
	default:
		break;
E
Eliezer Tamir 已提交
1635 1636
	}

Y
Yaniv Rosner 已提交
1637
	REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Y
Yitchak Gertner 已提交
1638
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
E
Eliezer Tamir 已提交
1639

Y
Yaniv Rosner 已提交
1640
	return 0;
E
Eliezer Tamir 已提交
1641 1642
}

E
Eilon Greenstein 已提交
1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688
int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
{
	/* The GPIO should be swapped if swap register is set and active */
	int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
			 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
	int gpio_shift = gpio_num +
			(gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0);
	u32 gpio_mask = (1 << gpio_shift);
	u32 gpio_reg;

	if (gpio_num > MISC_REGISTERS_GPIO_3) {
		BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
		return -EINVAL;
	}

	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
	/* read GPIO int */
	gpio_reg = REG_RD(bp, MISC_REG_GPIO_INT);

	switch (mode) {
	case MISC_REGISTERS_GPIO_INT_OUTPUT_CLR:
		DP(NETIF_MSG_LINK, "Clear GPIO INT %d (shift %d) -> "
				   "output low\n", gpio_num, gpio_shift);
		/* clear SET and set CLR */
		gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
		gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
		break;

	case MISC_REGISTERS_GPIO_INT_OUTPUT_SET:
		DP(NETIF_MSG_LINK, "Set GPIO INT %d (shift %d) -> "
				   "output high\n", gpio_num, gpio_shift);
		/* clear CLR and set SET */
		gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_INT_CLR_POS);
		gpio_reg |=  (gpio_mask << MISC_REGISTERS_GPIO_INT_SET_POS);
		break;

	default:
		break;
	}

	REG_WR(bp, MISC_REG_GPIO_INT, gpio_reg);
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);

	return 0;
}

Y
Yaniv Rosner 已提交
1689
static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
E
Eliezer Tamir 已提交
1690
{
Y
Yaniv Rosner 已提交
1691 1692
	u32 spio_mask = (1 << spio_num);
	u32 spio_reg;
E
Eliezer Tamir 已提交
1693

Y
Yaniv Rosner 已提交
1694 1695 1696 1697
	if ((spio_num < MISC_REGISTERS_SPIO_4) ||
	    (spio_num > MISC_REGISTERS_SPIO_7)) {
		BNX2X_ERR("Invalid SPIO %d\n", spio_num);
		return -EINVAL;
E
Eliezer Tamir 已提交
1698 1699
	}

Y
Yitchak Gertner 已提交
1700
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Y
Yaniv Rosner 已提交
1701 1702
	/* read SPIO and mask except the float bits */
	spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT);
E
Eliezer Tamir 已提交
1703

Y
Yaniv Rosner 已提交
1704
	switch (mode) {
E
Eilon Greenstein 已提交
1705
	case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Y
Yaniv Rosner 已提交
1706 1707 1708 1709 1710
		DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num);
		/* clear FLOAT and set CLR */
		spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
		spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_CLR_POS);
		break;
E
Eliezer Tamir 已提交
1711

E
Eilon Greenstein 已提交
1712
	case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Y
Yaniv Rosner 已提交
1713 1714 1715 1716 1717
		DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num);
		/* clear FLOAT and set SET */
		spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
		spio_reg |=  (spio_mask << MISC_REGISTERS_SPIO_SET_POS);
		break;
E
Eliezer Tamir 已提交
1718

Y
Yaniv Rosner 已提交
1719 1720 1721 1722 1723
	case MISC_REGISTERS_SPIO_INPUT_HI_Z:
		DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num);
		/* set FLOAT */
		spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS);
		break;
E
Eliezer Tamir 已提交
1724

Y
Yaniv Rosner 已提交
1725 1726
	default:
		break;
E
Eliezer Tamir 已提交
1727 1728
	}

Y
Yaniv Rosner 已提交
1729
	REG_WR(bp, MISC_REG_SPIO, spio_reg);
Y
Yitchak Gertner 已提交
1730
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Y
Yaniv Rosner 已提交
1731

E
Eliezer Tamir 已提交
1732 1733 1734
	return 0;
}

Y
Yaniv Rosner 已提交
1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773
int bnx2x_get_link_cfg_idx(struct bnx2x *bp)
{
	u32 sel_phy_idx = 0;
	if (bp->link_vars.link_up) {
		sel_phy_idx = EXT_PHY1;
		/* In case link is SERDES, check if the EXT_PHY2 is the one */
		if ((bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) &&
		    (bp->link_params.phy[EXT_PHY2].supported & SUPPORTED_FIBRE))
			sel_phy_idx = EXT_PHY2;
	} else {

		switch (bnx2x_phy_selection(&bp->link_params)) {
		case PORT_HW_CFG_PHY_SELECTION_HARDWARE_DEFAULT:
		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY:
		case PORT_HW_CFG_PHY_SELECTION_FIRST_PHY_PRIORITY:
		       sel_phy_idx = EXT_PHY1;
		       break;
		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY:
		case PORT_HW_CFG_PHY_SELECTION_SECOND_PHY_PRIORITY:
		       sel_phy_idx = EXT_PHY2;
		       break;
		}
	}
	/*
	* The selected actived PHY is always after swapping (in case PHY
	* swapping is enabled). So when swapping is enabled, we need to reverse
	* the configuration
	*/

	if (bp->link_params.multi_phy_config &
	    PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
		if (sel_phy_idx == EXT_PHY1)
			sel_phy_idx = EXT_PHY2;
		else if (sel_phy_idx == EXT_PHY2)
			sel_phy_idx = EXT_PHY1;
	}
	return LINK_CONFIG_IDX(sel_phy_idx);
}

D
Dmitry Kravkov 已提交
1774
void bnx2x_calc_fc_adv(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1775
{
Y
Yaniv Rosner 已提交
1776
	u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1777 1778
	switch (bp->link_vars.ieee_fc &
		MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Y
Yaniv Rosner 已提交
1779
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Y
Yaniv Rosner 已提交
1780
		bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
D
Dmitry Kravkov 已提交
1781
						   ADVERTISED_Pause);
Y
Yaniv Rosner 已提交
1782
		break;
E
Eilon Greenstein 已提交
1783

Y
Yaniv Rosner 已提交
1784
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Y
Yaniv Rosner 已提交
1785
		bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
D
Dmitry Kravkov 已提交
1786
						  ADVERTISED_Pause);
Y
Yaniv Rosner 已提交
1787
		break;
E
Eilon Greenstein 已提交
1788

Y
Yaniv Rosner 已提交
1789
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Y
Yaniv Rosner 已提交
1790
		bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Y
Yaniv Rosner 已提交
1791
		break;
E
Eilon Greenstein 已提交
1792

Y
Yaniv Rosner 已提交
1793
	default:
Y
Yaniv Rosner 已提交
1794
		bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
D
Dmitry Kravkov 已提交
1795
						   ADVERTISED_Pause);
Y
Yaniv Rosner 已提交
1796 1797 1798
		break;
	}
}
E
Eliezer Tamir 已提交
1799

D
Dmitry Kravkov 已提交
1800
u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Y
Yaniv Rosner 已提交
1801
{
1802 1803
	if (!BP_NOMCP(bp)) {
		u8 rc;
Y
Yaniv Rosner 已提交
1804 1805
		int cfx_idx = bnx2x_get_link_cfg_idx(bp);
		u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
1806
		/* Initialize link parameters structure variables */
Y
Yaniv Rosner 已提交
1807 1808
		/* It is recommended to turn off RX FC for jumbo frames
		   for better performance */
D
Dmitry Kravkov 已提交
1809
		if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
1810
			bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Y
Yaniv Rosner 已提交
1811
		else
1812
			bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
E
Eliezer Tamir 已提交
1813

Y
Yitchak Gertner 已提交
1814
		bnx2x_acquire_phy_lock(bp);
E
Eilon Greenstein 已提交
1815

Y
Yaniv Rosner 已提交
1816
		if (load_mode == LOAD_DIAG) {
Y
Yaniv Rosner 已提交
1817
			bp->link_params.loopback_mode = LOOPBACK_XGXS;
Y
Yaniv Rosner 已提交
1818 1819
			bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
		}
E
Eilon Greenstein 已提交
1820

1821
		rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
E
Eilon Greenstein 已提交
1822

Y
Yitchak Gertner 已提交
1823
		bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
1824

1825 1826
		bnx2x_calc_fc_adv(bp);

E
Eilon Greenstein 已提交
1827 1828
		if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
			bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
1829
			bnx2x_link_report(bp);
E
Eilon Greenstein 已提交
1830
		}
Y
Yaniv Rosner 已提交
1831
		bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
1832 1833
		return rc;
	}
E
Eilon Greenstein 已提交
1834
	BNX2X_ERR("Bootcode is missing - can not initialize link\n");
1835
	return -EINVAL;
E
Eliezer Tamir 已提交
1836 1837
}

D
Dmitry Kravkov 已提交
1838
void bnx2x_link_set(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1839
{
1840
	if (!BP_NOMCP(bp)) {
Y
Yitchak Gertner 已提交
1841
		bnx2x_acquire_phy_lock(bp);
1842
		bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
1843
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
1844
		bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
1845

1846 1847
		bnx2x_calc_fc_adv(bp);
	} else
E
Eilon Greenstein 已提交
1848
		BNX2X_ERR("Bootcode is missing - can not set link\n");
Y
Yaniv Rosner 已提交
1849
}
E
Eliezer Tamir 已提交
1850

Y
Yaniv Rosner 已提交
1851 1852
static void bnx2x__link_reset(struct bnx2x *bp)
{
1853
	if (!BP_NOMCP(bp)) {
Y
Yitchak Gertner 已提交
1854
		bnx2x_acquire_phy_lock(bp);
E
Eilon Greenstein 已提交
1855
		bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Y
Yitchak Gertner 已提交
1856
		bnx2x_release_phy_lock(bp);
1857
	} else
E
Eilon Greenstein 已提交
1858
		BNX2X_ERR("Bootcode is missing - can not reset link\n");
Y
Yaniv Rosner 已提交
1859
}
E
Eliezer Tamir 已提交
1860

Y
Yaniv Rosner 已提交
1861
u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Y
Yaniv Rosner 已提交
1862
{
1863
	u8 rc = 0;
E
Eliezer Tamir 已提交
1864

1865 1866
	if (!BP_NOMCP(bp)) {
		bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
1867 1868
		rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
				     is_serdes);
1869 1870 1871
		bnx2x_release_phy_lock(bp);
	} else
		BNX2X_ERR("Bootcode is missing - can not test link\n");
E
Eliezer Tamir 已提交
1872

Y
Yaniv Rosner 已提交
1873 1874
	return rc;
}
E
Eliezer Tamir 已提交
1875

E
Eilon Greenstein 已提交
1876
static void bnx2x_init_port_minmax(struct bnx2x *bp)
1877
{
E
Eilon Greenstein 已提交
1878 1879 1880
	u32 r_param = bp->link_vars.line_speed / 8;
	u32 fair_periodic_timeout_usec;
	u32 t_fair;
1881

E
Eilon Greenstein 已提交
1882 1883 1884
	memset(&(bp->cmng.rs_vars), 0,
	       sizeof(struct rate_shaping_vars_per_port));
	memset(&(bp->cmng.fair_vars), 0, sizeof(struct fairness_vars_per_port));
1885

E
Eilon Greenstein 已提交
1886 1887
	/* 100 usec in SDM ticks = 25 since each tick is 4 usec */
	bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
1888

E
Eilon Greenstein 已提交
1889 1890 1891 1892
	/* this is the threshold below which no timer arming will occur
	   1.25 coefficient is for the threshold to be a little bigger
	   than the real time, to compensate for timer in-accuracy */
	bp->cmng.rs_vars.rs_threshold =
1893 1894
				(RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;

E
Eilon Greenstein 已提交
1895 1896 1897 1898
	/* resolution of fairness timer */
	fair_periodic_timeout_usec = QM_ARB_BYTES / r_param;
	/* for 10G it is 1000usec. for 1G it is 10000usec. */
	t_fair = T_FAIR_COEF / bp->link_vars.line_speed;
1899

E
Eilon Greenstein 已提交
1900 1901
	/* this is the threshold below which we won't arm the timer anymore */
	bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
1902

E
Eilon Greenstein 已提交
1903 1904 1905 1906 1907 1908
	/* we multiply by 1e3/8 to get bytes/msec.
	   We don't want the credits to pass a credit
	   of the t_fair*FAIR_MEM (algorithm resolution) */
	bp->cmng.fair_vars.upper_bound = r_param * t_fair * FAIR_MEM;
	/* since each tick is 4 usec */
	bp->cmng.fair_vars.fairness_timeout = fair_periodic_timeout_usec / 4;
1909 1910
}

1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926
/* Calculates the sum of vn_min_rates.
   It's needed for further normalizing of the min_rates.
   Returns:
     sum of vn_min_rates.
       or
     0 - if all the min_rates are 0.
     In the later case fainess algorithm should be deactivated.
     If not all min_rates are zero then those that are zeroes will be set to 1.
 */
static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp)
{
	int all_zero = 1;
	int vn;

	bp->vn_weight_sum = 0;
	for (vn = VN_0; vn < E1HVN_MAX; vn++) {
D
Dmitry Kravkov 已提交
1927
		u32 vn_cfg = bp->mf_config[vn];
1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944
		u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
				   FUNC_MF_CFG_MIN_BW_SHIFT) * 100;

		/* Skip hidden vns */
		if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE)
			continue;

		/* If min rate is zero - set it to 1 */
		if (!vn_min_rate)
			vn_min_rate = DEF_MIN_RATE;
		else
			all_zero = 0;

		bp->vn_weight_sum += vn_min_rate;
	}

	/* ... only if all min rates are zeros - disable fairness */
1945 1946 1947 1948 1949 1950 1951 1952
	if (all_zero) {
		bp->cmng.flags.cmng_enables &=
					~CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
		DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
		   "  fairness will be disabled\n");
	} else
		bp->cmng.flags.cmng_enables |=
					CMNG_FLAGS_PER_PORT_FAIRNESS_VN;
1953 1954
}

D
Dmitry Kravkov 已提交
1955
static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
1956 1957 1958
{
	struct rate_shaping_vars_per_vn m_rs_vn;
	struct fairness_vars_per_vn m_fair_vn;
D
Dmitry Kravkov 已提交
1959 1960
	u32 vn_cfg = bp->mf_config[vn];
	int func = 2*vn + BP_PORT(bp);
1961 1962 1963 1964 1965 1966 1967 1968 1969
	u16 vn_min_rate, vn_max_rate;
	int i;

	/* If function is hidden - set min and max to zeroes */
	if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) {
		vn_min_rate = 0;
		vn_max_rate = 0;

	} else {
1970 1971
		u32 maxCfg = bnx2x_extract_max_cfg(bp, vn_cfg);

1972 1973
		vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
				FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1974 1975 1976
		/* If fairness is enabled (not all min rates are zeroes) and
		   if current min rate is zero - set it to 1.
		   This is a requirement of the algorithm. */
D
Dmitry Kravkov 已提交
1977
		if (bp->vn_weight_sum && (vn_min_rate == 0))
1978
			vn_min_rate = DEF_MIN_RATE;
1979 1980 1981 1982 1983 1984 1985

		if (IS_MF_SI(bp))
			/* maxCfg in percents of linkspeed */
			vn_max_rate = (bp->link_vars.line_speed * maxCfg) / 100;
		else
			/* maxCfg is absolute in 100Mb units */
			vn_max_rate = maxCfg * 100;
1986
	}
D
Dmitry Kravkov 已提交
1987

E
Eilon Greenstein 已提交
1988
	DP(NETIF_MSG_IFUP,
1989
	   "func %d: vn_min_rate %d  vn_max_rate %d  vn_weight_sum %d\n",
E
Eilon Greenstein 已提交
1990
	   func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001

	memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn));
	memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn));

	/* global vn counter - maximal Mbps for this vn */
	m_rs_vn.vn_counter.rate = vn_max_rate;

	/* quota - number of bytes transmitted in this period */
	m_rs_vn.vn_counter.quota =
				(vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8;

E
Eilon Greenstein 已提交
2002
	if (bp->vn_weight_sum) {
2003 2004
		/* credit for each period of the fairness algorithm:
		   number of bytes in T_FAIR (the vn share the port rate).
E
Eilon Greenstein 已提交
2005 2006 2007
		   vn_weight_sum should not be larger than 10000, thus
		   T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
		   than zero */
2008
		m_fair_vn.vn_credit_delta =
V
Vladislav Zolotarov 已提交
2009 2010
			max_t(u32, (vn_min_rate * (T_FAIR_COEF /
						   (8 * bp->vn_weight_sum))),
2011 2012
			      (bp->cmng.fair_vars.fair_threshold +
							MIN_ABOVE_THRESH));
V
Vladislav Zolotarov 已提交
2013
		DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027
		   m_fair_vn.vn_credit_delta);
	}

	/* Store it to internal memory */
	for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++)
		REG_WR(bp, BAR_XSTRORM_INTMEM +
		       XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4,
		       ((u32 *)(&m_rs_vn))[i]);

	for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++)
		REG_WR(bp, BAR_XSTRORM_INTMEM +
		       XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4,
		       ((u32 *)(&m_fair_vn))[i]);
}
D
Dmitry Kravkov 已提交
2028

2029 2030 2031 2032
static int bnx2x_get_cmng_fns_mode(struct bnx2x *bp)
{
	if (CHIP_REV_IS_SLOW(bp))
		return CMNG_FNS_NONE;
D
Dmitry Kravkov 已提交
2033
	if (IS_MF(bp))
2034 2035 2036 2037 2038
		return CMNG_FNS_MINMAX;

	return CMNG_FNS_NONE;
}

2039
void bnx2x_read_mf_cfg(struct bnx2x *bp)
2040
{
2041
	int vn, n = (CHIP_MODE_IS_4_PORT(bp) ? 2 : 1);
2042 2043 2044 2045

	if (BP_NOMCP(bp))
		return; /* what should be the default bvalue in this case */

2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056
	/* For 2 port configuration the absolute function number formula
	 * is:
	 *      abs_func = 2 * vn + BP_PORT + BP_PATH
	 *
	 *      and there are 4 functions per port
	 *
	 * For 4 port configuration it is
	 *      abs_func = 4 * vn + 2 * BP_PORT + BP_PATH
	 *
	 *      and there are 2 functions per port
	 */
2057
	for (vn = VN_0; vn < E1HVN_MAX; vn++) {
2058 2059 2060 2061 2062
		int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp);

		if (func >= E1H_FUNC_MAX)
			break;

D
Dmitry Kravkov 已提交
2063
		bp->mf_config[vn] =
2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087
			MF_CFG_RD(bp, func_mf_config[func].config);
	}
}

static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type)
{

	if (cmng_type == CMNG_FNS_MINMAX) {
		int vn;

		/* clear cmng_enables */
		bp->cmng.flags.cmng_enables = 0;

		/* read mf conf from shmem */
		if (read_cfg)
			bnx2x_read_mf_cfg(bp);

		/* Init rate shaping and fairness contexts */
		bnx2x_init_port_minmax(bp);

		/* vn_weight_sum and enable fairness if not 0 */
		bnx2x_calc_vn_weight_sum(bp);

		/* calculate and set min-max rate for each vn */
2088 2089 2090
		if (bp->port.pmf)
			for (vn = VN_0; vn < E1HVN_MAX; vn++)
				bnx2x_init_vn_minmax(bp, vn);
2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104

		/* always enable rate shaping and fairness */
		bp->cmng.flags.cmng_enables |=
					CMNG_FLAGS_PER_PORT_RATE_SHAPING_VN;
		if (!bp->vn_weight_sum)
			DP(NETIF_MSG_IFUP, "All MIN values are zeroes"
				   "  fairness will be disabled\n");
		return;
	}

	/* rate shaping and fairness are disabled */
	DP(NETIF_MSG_IFUP,
	   "rate shaping and fairness are disabled\n");
}
2105

2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121
static inline void bnx2x_link_sync_notify(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	int func;
	int vn;

	/* Set the attention towards other drivers on the same port */
	for (vn = VN_0; vn < E1HVN_MAX; vn++) {
		if (vn == BP_E1HVN(bp))
			continue;

		func = ((vn << 1) | port);
		REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 +
		       (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1);
	}
}
E
Eilon Greenstein 已提交
2122

Y
Yaniv Rosner 已提交
2123 2124 2125
/* This function is called upon link interrupt */
static void bnx2x_link_attn(struct bnx2x *bp)
{
Y
Yitchak Gertner 已提交
2126 2127 2128
	/* Make sure that we are synced with the current statistics */
	bnx2x_stats_handle(bp, STATS_EVENT_STOP);

Y
Yaniv Rosner 已提交
2129
	bnx2x_link_update(&bp->link_params, &bp->link_vars);
E
Eliezer Tamir 已提交
2130

Y
Yitchak Gertner 已提交
2131 2132
	if (bp->link_vars.link_up) {

2133
		/* dropless flow control */
D
Dmitry Kravkov 已提交
2134
		if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
2135 2136 2137 2138 2139 2140 2141
			int port = BP_PORT(bp);
			u32 pause_enabled = 0;

			if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
				pause_enabled = 1;

			REG_WR(bp, BAR_USTRORM_INTMEM +
E
Eilon Greenstein 已提交
2142
			       USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
2143 2144 2145
			       pause_enabled);
		}

Y
Yitchak Gertner 已提交
2146 2147 2148 2149 2150 2151 2152 2153
		if (bp->link_vars.mac_type == MAC_TYPE_BMAC) {
			struct host_port_stats *pstats;

			pstats = bnx2x_sp(bp, port_stats);
			/* reset old bmac stats */
			memset(&(pstats->mac_stx[0]), 0,
			       sizeof(struct mac_stx));
		}
2154
		if (bp->state == BNX2X_STATE_OPEN)
Y
Yitchak Gertner 已提交
2155 2156 2157
			bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	}

D
Dmitry Kravkov 已提交
2158 2159
	if (bp->link_vars.link_up && bp->link_vars.line_speed) {
		int cmng_fns = bnx2x_get_cmng_fns_mode(bp);
E
Eilon Greenstein 已提交
2160

D
Dmitry Kravkov 已提交
2161 2162 2163 2164 2165 2166 2167
		if (cmng_fns != CMNG_FNS_NONE) {
			bnx2x_cmng_fns_init(bp, false, cmng_fns);
			storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
		} else
			/* rate shaping and fairness are disabled */
			DP(NETIF_MSG_IFUP,
			   "single function mode without fairness\n");
2168
	}
D
Dmitry Kravkov 已提交
2169

2170 2171
	__bnx2x_link_report(bp);

D
Dmitry Kravkov 已提交
2172 2173
	if (IS_MF(bp))
		bnx2x_link_sync_notify(bp);
Y
Yaniv Rosner 已提交
2174
}
E
Eliezer Tamir 已提交
2175

D
Dmitry Kravkov 已提交
2176
void bnx2x__link_status_update(struct bnx2x *bp)
Y
Yaniv Rosner 已提交
2177
{
2178
	if (bp->state != BNX2X_STATE_OPEN)
Y
Yaniv Rosner 已提交
2179
		return;
E
Eliezer Tamir 已提交
2180

Y
Yaniv Rosner 已提交
2181
	bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
E
Eliezer Tamir 已提交
2182

Y
Yitchak Gertner 已提交
2183 2184 2185 2186 2187
	if (bp->link_vars.link_up)
		bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	else
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);

Y
Yaniv Rosner 已提交
2188 2189
	/* indicate link status */
	bnx2x_link_report(bp);
E
Eliezer Tamir 已提交
2190 2191
}

2192 2193 2194 2195 2196 2197 2198 2199 2200 2201
static void bnx2x_pmf_update(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	u32 val;

	bp->port.pmf = 1;
	DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf);

	/* enable nig attention */
	val = (0xff0f | (1 << (BP_E1HVN(bp) + 4)));
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Dmitry Kravkov 已提交
2202 2203 2204 2205 2206 2207 2208
	if (bp->common.int_block == INT_BLOCK_HC) {
		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val);
		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val);
	} else if (CHIP_IS_E2(bp)) {
		REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, val);
		REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, val);
	}
Y
Yitchak Gertner 已提交
2209 2210

	bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2211 2212
}

Y
Yaniv Rosner 已提交
2213
/* end of Link */
E
Eliezer Tamir 已提交
2214 2215 2216 2217 2218 2219 2220

/* slow path */

/*
 * General service functions
 */

2221
/* send the MCP a request, block until there is a reply */
Y
Yaniv Rosner 已提交
2222
u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
2223
{
D
Dmitry Kravkov 已提交
2224
	int mb_idx = BP_FW_MB_IDX(bp);
2225 2226 2227 2228 2229
	u32 seq = ++bp->fw_seq;
	u32 rc = 0;
	u32 cnt = 1;
	u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10;

E
Eilon Greenstein 已提交
2230
	mutex_lock(&bp->fw_mb_mutex);
D
Dmitry Kravkov 已提交
2231 2232 2233
	SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
	SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));

2234 2235 2236 2237 2238 2239
	DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq));

	do {
		/* let the FW do it's magic ... */
		msleep(delay);

D
Dmitry Kravkov 已提交
2240
		rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
2241

E
Eilon Greenstein 已提交
2242 2243
		/* Give the FW up to 5 second (500*10ms) */
	} while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256

	DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n",
	   cnt*delay, rc, seq);

	/* is this a reply to our command? */
	if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK))
		rc &= FW_MSG_CODE_MASK;
	else {
		/* FW BUG! */
		BNX2X_ERR("FW failed to respond!\n");
		bnx2x_fw_dump(bp);
		rc = 0;
	}
E
Eilon Greenstein 已提交
2257
	mutex_unlock(&bp->fw_mb_mutex);
2258 2259 2260 2261

	return rc;
}

V
Vladislav Zolotarov 已提交
2262 2263 2264 2265 2266 2267 2268 2269 2270
static u8 stat_counter_valid(struct bnx2x *bp, struct bnx2x_fastpath *fp)
{
#ifdef BCM_CNIC
	if (IS_FCOE_FP(fp) && IS_MF(bp))
		return false;
#endif
	return true;
}

2271
/* must be called under rtnl_lock */
2272
static void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
2273
{
2274
	u32 mask = (1 << cl_id);
2275

2276 2277 2278 2279
	/* initial seeting is BNX2X_ACCEPT_NONE */
	u8 drop_all_ucast = 1, drop_all_bcast = 1, drop_all_mcast = 1;
	u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0;
	u8 unmatched_unicast = 0;
2280

2281 2282 2283
	if (filters & BNX2X_ACCEPT_UNMATCHED_UCAST)
		unmatched_unicast = 1;

2284 2285 2286 2287
	if (filters & BNX2X_PROMISCUOUS_MODE) {
		/* promiscious - accept all, drop none */
		drop_all_ucast = drop_all_bcast = drop_all_mcast = 0;
		accp_all_ucast = accp_all_bcast = accp_all_mcast = 1;
2288 2289 2290 2291 2292 2293 2294 2295
		if (IS_MF_SI(bp)) {
			/*
			 * SI mode defines to accept in promiscuos mode
			 * only unmatched packets
			 */
			unmatched_unicast = 1;
			accp_all_ucast = 0;
		}
2296 2297 2298 2299 2300
	}
	if (filters & BNX2X_ACCEPT_UNICAST) {
		/* accept matched ucast */
		drop_all_ucast = 0;
	}
2301
	if (filters & BNX2X_ACCEPT_MULTICAST)
2302 2303
		/* accept matched mcast */
		drop_all_mcast = 0;
2304

2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317 2318 2319
	if (filters & BNX2X_ACCEPT_ALL_UNICAST) {
		/* accept all mcast */
		drop_all_ucast = 0;
		accp_all_ucast = 1;
	}
	if (filters & BNX2X_ACCEPT_ALL_MULTICAST) {
		/* accept all mcast */
		drop_all_mcast = 0;
		accp_all_mcast = 1;
	}
	if (filters & BNX2X_ACCEPT_BROADCAST) {
		/* accept (all) bcast */
		drop_all_bcast = 0;
		accp_all_bcast = 1;
	}
2320

2321 2322 2323
	bp->mac_filters.ucast_drop_all = drop_all_ucast ?
		bp->mac_filters.ucast_drop_all | mask :
		bp->mac_filters.ucast_drop_all & ~mask;
2324

2325 2326 2327
	bp->mac_filters.mcast_drop_all = drop_all_mcast ?
		bp->mac_filters.mcast_drop_all | mask :
		bp->mac_filters.mcast_drop_all & ~mask;
2328

2329 2330 2331
	bp->mac_filters.bcast_drop_all = drop_all_bcast ?
		bp->mac_filters.bcast_drop_all | mask :
		bp->mac_filters.bcast_drop_all & ~mask;
2332

2333 2334 2335
	bp->mac_filters.ucast_accept_all = accp_all_ucast ?
		bp->mac_filters.ucast_accept_all | mask :
		bp->mac_filters.ucast_accept_all & ~mask;
2336

2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347
	bp->mac_filters.mcast_accept_all = accp_all_mcast ?
		bp->mac_filters.mcast_accept_all | mask :
		bp->mac_filters.mcast_accept_all & ~mask;

	bp->mac_filters.bcast_accept_all = accp_all_bcast ?
		bp->mac_filters.bcast_accept_all | mask :
		bp->mac_filters.bcast_accept_all & ~mask;

	bp->mac_filters.unmatched_unicast = unmatched_unicast ?
		bp->mac_filters.unmatched_unicast | mask :
		bp->mac_filters.unmatched_unicast & ~mask;
2348 2349
}

2350
static void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
2351
{
2352 2353
	struct tstorm_eth_function_common_config tcfg = {0};
	u16 rss_flgs;
2354

2355 2356 2357 2358
	/* tpa */
	if (p->func_flgs & FUNC_FLG_TPA)
		tcfg.config_flags |=
		TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
2359

2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376
	/* set rss flags */
	rss_flgs = (p->rss->mode <<
		TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);

	if (p->rss->cap & RSS_IPV4_CAP)
		rss_flgs |= RSS_IPV4_CAP_MASK;
	if (p->rss->cap & RSS_IPV4_TCP_CAP)
		rss_flgs |= RSS_IPV4_TCP_CAP_MASK;
	if (p->rss->cap & RSS_IPV6_CAP)
		rss_flgs |= RSS_IPV6_CAP_MASK;
	if (p->rss->cap & RSS_IPV6_TCP_CAP)
		rss_flgs |= RSS_IPV6_TCP_CAP_MASK;

	tcfg.config_flags |= rss_flgs;
	tcfg.rss_result_mask = p->rss->result_mask;

	storm_memset_func_cfg(bp, &tcfg, p->func_id);
2377

2378 2379 2380
	/* Enable the function in the FW */
	storm_memset_vf_to_pf(bp, p->func_id, p->pf_id);
	storm_memset_func_en(bp, p->func_id, 1);
2381

2382 2383 2384 2385
	/* statistics */
	if (p->func_flgs & FUNC_FLG_STATS) {
		struct stats_indication_flags stats_flags = {0};
		stats_flags.collect_eth = 1;
2386

2387 2388
		storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
		storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2389

2390 2391
		storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
		storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2392

2393 2394
		storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
		storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2395

2396 2397
		storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
		storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2398 2399
	}

2400 2401 2402 2403 2404 2405
	/* spq */
	if (p->func_flgs & FUNC_FLG_SPQ) {
		storm_memset_spq_addr(bp, p->spq_map, p->func_id);
		REG_WR(bp, XSEM_REG_FAST_MEMORY +
		       XSTORM_SPQ_PROD_OFFSET(p->func_id), p->spq_prod);
	}
2406 2407
}

2408 2409
static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
				     struct bnx2x_fastpath *fp)
M
Michael Chan 已提交
2410
{
2411
	u16 flags = 0;
M
Michael Chan 已提交
2412

2413 2414 2415
	/* calculate queue flags */
	flags |= QUEUE_FLG_CACHE_ALIGN;
	flags |= QUEUE_FLG_HC;
2416
	flags |= IS_MF_SD(bp) ? QUEUE_FLG_OV : 0;
M
Michael Chan 已提交
2417

2418 2419 2420 2421 2422 2423
	flags |= QUEUE_FLG_VLAN;
	DP(NETIF_MSG_IFUP, "vlan removal enabled\n");

	if (!fp->disable_tpa)
		flags |= QUEUE_FLG_TPA;

V
Vladislav Zolotarov 已提交
2424 2425
	flags = stat_counter_valid(bp, fp) ?
			(flags | QUEUE_FLG_STATS) : (flags & ~QUEUE_FLG_STATS);
2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472

	return flags;
}

static void bnx2x_pf_rx_cl_prep(struct bnx2x *bp,
	struct bnx2x_fastpath *fp, struct rxq_pause_params *pause,
	struct bnx2x_rxq_init_params *rxq_init)
{
	u16 max_sge = 0;
	u16 sge_sz = 0;
	u16 tpa_agg_size = 0;

	/* calculate queue flags */
	u16 flags = bnx2x_get_cl_flags(bp, fp);

	if (!fp->disable_tpa) {
		pause->sge_th_hi = 250;
		pause->sge_th_lo = 150;
		tpa_agg_size = min_t(u32,
			(min_t(u32, 8, MAX_SKB_FRAGS) *
			SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff);
		max_sge = SGE_PAGE_ALIGN(bp->dev->mtu) >>
			SGE_PAGE_SHIFT;
		max_sge = ((max_sge + PAGES_PER_SGE - 1) &
			  (~(PAGES_PER_SGE-1))) >> PAGES_PER_SGE_SHIFT;
		sge_sz = (u16)min_t(u32, SGE_PAGE_SIZE * PAGES_PER_SGE,
				    0xffff);
	}

	/* pause - not for e1 */
	if (!CHIP_IS_E1(bp)) {
		pause->bd_th_hi = 350;
		pause->bd_th_lo = 250;
		pause->rcq_th_hi = 350;
		pause->rcq_th_lo = 250;
		pause->sge_th_hi = 0;
		pause->sge_th_lo = 0;
		pause->pri_map = 1;
	}

	/* rxq setup */
	rxq_init->flags = flags;
	rxq_init->cxt = &bp->context.vcxt[fp->cid].eth;
	rxq_init->dscr_map = fp->rx_desc_mapping;
	rxq_init->sge_map = fp->rx_sge_mapping;
	rxq_init->rcq_map = fp->rx_comp_mapping;
	rxq_init->rcq_np_map = fp->rx_comp_mapping + BCM_PAGE_SIZE;
2473 2474 2475 2476 2477 2478 2479 2480

	/* Always use mini-jumbo MTU for FCoE L2 ring */
	if (IS_FCOE_FP(fp))
		rxq_init->mtu = BNX2X_FCOE_MINI_JUMBO_MTU;
	else
		rxq_init->mtu = bp->dev->mtu;

	rxq_init->buf_sz = fp->rx_buf_size;
2481 2482 2483 2484 2485 2486 2487 2488 2489 2490
	rxq_init->cl_qzone_id = fp->cl_qzone_id;
	rxq_init->cl_id = fp->cl_id;
	rxq_init->spcl_id = fp->cl_id;
	rxq_init->stat_id = fp->cl_id;
	rxq_init->tpa_agg_sz = tpa_agg_size;
	rxq_init->sge_buf_sz = sge_sz;
	rxq_init->max_sges_pkt = max_sge;
	rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT;
	rxq_init->fw_sb_id = fp->fw_sb_id;

V
Vladislav Zolotarov 已提交
2491 2492 2493 2494
	if (IS_FCOE_FP(fp))
		rxq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_RX_CQ_CONS;
	else
		rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;
2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513

	rxq_init->cid = HW_CID(bp, fp->cid);

	rxq_init->hc_rate = bp->rx_ticks ? (1000000 / bp->rx_ticks) : 0;
}

static void bnx2x_pf_tx_cl_prep(struct bnx2x *bp,
	struct bnx2x_fastpath *fp, struct bnx2x_txq_init_params *txq_init)
{
	u16 flags = bnx2x_get_cl_flags(bp, fp);

	txq_init->flags = flags;
	txq_init->cxt = &bp->context.vcxt[fp->cid].eth;
	txq_init->dscr_map = fp->tx_desc_mapping;
	txq_init->stat_id = fp->cl_id;
	txq_init->cid = HW_CID(bp, fp->cid);
	txq_init->sb_cq_index = C_SB_ETH_TX_CQ_INDEX;
	txq_init->traffic_type = LLFC_TRAFFIC_TYPE_NW;
	txq_init->fw_sb_id = fp->fw_sb_id;
V
Vladislav Zolotarov 已提交
2514 2515 2516 2517 2518 2519

	if (IS_FCOE_FP(fp)) {
		txq_init->sb_cq_index = HC_SP_INDEX_ETH_FCOE_TX_CQ_CONS;
		txq_init->traffic_type = LLFC_TRAFFIC_TYPE_FCOE;
	}

2520 2521 2522
	txq_init->hc_rate = bp->tx_ticks ? (1000000 / bp->tx_ticks) : 0;
}

2523
static void bnx2x_pf_init(struct bnx2x *bp)
2524 2525 2526 2527 2528 2529 2530 2531
{
	struct bnx2x_func_init_params func_init = {0};
	struct bnx2x_rss_params rss = {0};
	struct event_ring_data eq_data = { {0} };
	u16 flags;

	/* pf specific setups */
	if (!CHIP_IS_E1(bp))
D
Dmitry Kravkov 已提交
2532
		storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
2533

D
Dmitry Kravkov 已提交
2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548
	if (CHIP_IS_E2(bp)) {
		/* reset IGU PF statistics: MSIX + ATTN */
		/* PF */
		REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
			   BNX2X_IGU_STAS_MSG_VF_CNT*4 +
			   (CHIP_MODE_IS_4_PORT(bp) ?
				BP_FUNC(bp) : BP_VN(bp))*4, 0);
		/* ATTN */
		REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT +
			   BNX2X_IGU_STAS_MSG_VF_CNT*4 +
			   BNX2X_IGU_STAS_MSG_PF_CNT*4 +
			   (CHIP_MODE_IS_4_PORT(bp) ?
				BP_FUNC(bp) : BP_VN(bp))*4, 0);
	}

2549 2550 2551
	/* function setup flags */
	flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);

D
Dmitry Kravkov 已提交
2552 2553 2554 2555
	if (CHIP_IS_E1x(bp))
		flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
	else
		flags |= FUNC_FLG_TPA;
2556

2557 2558
	/* function setup */

2559 2560 2561 2562
	/**
	 * Although RSS is meaningless when there is a single HW queue we
	 * still need it enabled in order to have HW Rx hash generated.
	 */
2563 2564 2565 2566 2567
	rss.cap = (RSS_IPV4_CAP | RSS_IPV4_TCP_CAP |
		   RSS_IPV6_CAP | RSS_IPV6_TCP_CAP);
	rss.mode = bp->multi_mode;
	rss.result_mask = MULTI_MASK;
	func_init.rss = &rss;
2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586 2587 2588 2589 2590 2591 2592 2593 2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632

	func_init.func_flgs = flags;
	func_init.pf_id = BP_FUNC(bp);
	func_init.func_id = BP_FUNC(bp);
	func_init.fw_stat_map = bnx2x_sp_mapping(bp, fw_stats);
	func_init.spq_map = bp->spq_mapping;
	func_init.spq_prod = bp->spq_prod_idx;

	bnx2x_func_init(bp, &func_init);

	memset(&(bp->cmng), 0, sizeof(struct cmng_struct_per_port));

	/*
	Congestion management values depend on the link rate
	There is no active link so initial link rate is set to 10 Gbps.
	When the link comes up The congestion management values are
	re-calculated according to the actual link rate.
	*/
	bp->link_vars.line_speed = SPEED_10000;
	bnx2x_cmng_fns_init(bp, true, bnx2x_get_cmng_fns_mode(bp));

	/* Only the PMF sets the HW */
	if (bp->port.pmf)
		storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));

	/* no rx until link is up */
	bp->rx_mode = BNX2X_RX_MODE_NONE;
	bnx2x_set_storm_rx_mode(bp);

	/* init Event Queue */
	eq_data.base_addr.hi = U64_HI(bp->eq_mapping);
	eq_data.base_addr.lo = U64_LO(bp->eq_mapping);
	eq_data.producer = bp->eq_prod;
	eq_data.index_id = HC_SP_INDEX_EQ_CONS;
	eq_data.sb_id = DEF_SB_ID;
	storm_memset_eq_data(bp, &eq_data, BP_FUNC(bp));
}


static void bnx2x_e1h_disable(struct bnx2x *bp)
{
	int port = BP_PORT(bp);

	netif_tx_disable(bp->dev);

	REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);

	netif_carrier_off(bp->dev);
}

static void bnx2x_e1h_enable(struct bnx2x *bp)
{
	int port = BP_PORT(bp);

	REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);

	/* Tx queue should be only reenabled */
	netif_tx_wake_all_queues(bp->dev);

	/*
	 * Should not call netif_carrier_on since it will be called if the link
	 * is up when checking for link state
	 */
}

2633 2634 2635 2636 2637 2638 2639 2640 2641 2642 2643 2644 2645 2646 2647 2648 2649 2650 2651 2652
/* called due to MCP event (on pmf):
 *	reread new bandwidth configuration
 *	configure FW
 *	notify others function about the change
 */
static inline void bnx2x_config_mf_bw(struct bnx2x *bp)
{
	if (bp->link_vars.link_up) {
		bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
		bnx2x_link_sync_notify(bp);
	}
	storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
}

static inline void bnx2x_set_mf_bw(struct bnx2x *bp)
{
	bnx2x_config_mf_bw(bp);
	bnx2x_fw_command(bp, DRV_MSG_CODE_SET_MF_BW_ACK, 0);
}

2653 2654 2655 2656 2657 2658 2659 2660 2661 2662 2663
static void bnx2x_dcc_event(struct bnx2x *bp, u32 dcc_event)
{
	DP(BNX2X_MSG_MCP, "dcc_event 0x%x\n", dcc_event);

	if (dcc_event & DRV_STATUS_DCC_DISABLE_ENABLE_PF) {

		/*
		 * This is the only place besides the function initialization
		 * where the bp->flags can change so it is done without any
		 * locks
		 */
D
Dmitry Kravkov 已提交
2664
		if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
2665 2666 2667 2668 2669 2670 2671 2672 2673 2674 2675 2676 2677
			DP(NETIF_MSG_IFDOWN, "mf_cfg function disabled\n");
			bp->flags |= MF_FUNC_DIS;

			bnx2x_e1h_disable(bp);
		} else {
			DP(NETIF_MSG_IFUP, "mf_cfg function enabled\n");
			bp->flags &= ~MF_FUNC_DIS;

			bnx2x_e1h_enable(bp);
		}
		dcc_event &= ~DRV_STATUS_DCC_DISABLE_ENABLE_PF;
	}
	if (dcc_event & DRV_STATUS_DCC_BANDWIDTH_ALLOCATION) {
2678
		bnx2x_config_mf_bw(bp);
2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705
		dcc_event &= ~DRV_STATUS_DCC_BANDWIDTH_ALLOCATION;
	}

	/* Report results to MCP */
	if (dcc_event)
		bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_FAILURE, 0);
	else
		bnx2x_fw_command(bp, DRV_MSG_CODE_DCC_OK, 0);
}

/* must be called under the spq lock */
static inline struct eth_spe *bnx2x_sp_get_next(struct bnx2x *bp)
{
	struct eth_spe *next_spe = bp->spq_prod_bd;

	if (bp->spq_prod_bd == bp->spq_last_bd) {
		bp->spq_prod_bd = bp->spq;
		bp->spq_prod_idx = 0;
		DP(NETIF_MSG_TIMER, "end of spq\n");
	} else {
		bp->spq_prod_bd++;
		bp->spq_prod_idx++;
	}
	return next_spe;
}

/* must be called under the spq lock */
M
Michael Chan 已提交
2706 2707 2708 2709 2710 2711 2712
static inline void bnx2x_sp_prod_update(struct bnx2x *bp)
{
	int func = BP_FUNC(bp);

	/* Make sure that BD data is updated before writing the producer */
	wmb();

2713
	REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
D
Dmitry Kravkov 已提交
2714
		 bp->spq_prod_idx);
M
Michael Chan 已提交
2715 2716 2717
	mmiowb();
}

E
Eliezer Tamir 已提交
2718
/* the slow path queue is odd since completions arrive on the fastpath ring */
D
Dmitry Kravkov 已提交
2719
int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
D
Dmitry Kravkov 已提交
2720
		  u32 data_hi, u32 data_lo, int common)
E
Eliezer Tamir 已提交
2721
{
M
Michael Chan 已提交
2722
	struct eth_spe *spe;
2723
	u16 type;
E
Eliezer Tamir 已提交
2724 2725 2726 2727 2728 2729

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return -EIO;
#endif

2730
	spin_lock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2731

2732 2733 2734 2735 2736 2737 2738 2739 2740 2741 2742 2743
	if (common) {
		if (!atomic_read(&bp->eq_spq_left)) {
			BNX2X_ERR("BUG! EQ ring full!\n");
			spin_unlock_bh(&bp->spq_lock);
			bnx2x_panic();
			return -EBUSY;
		}
	} else if (!atomic_read(&bp->cq_spq_left)) {
			BNX2X_ERR("BUG! SPQ ring full!\n");
			spin_unlock_bh(&bp->spq_lock);
			bnx2x_panic();
			return -EBUSY;
E
Eliezer Tamir 已提交
2744
	}
E
Eliezer Tamir 已提交
2745

M
Michael Chan 已提交
2746 2747
	spe = bnx2x_sp_get_next(bp);

E
Eliezer Tamir 已提交
2748
	/* CID needs port number to be encoded int it */
M
Michael Chan 已提交
2749
	spe->hdr.conn_and_cmd_data =
V
Vladislav Zolotarov 已提交
2750 2751
			cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
				    HW_CID(bp, cid));
2752

E
Eliezer Tamir 已提交
2753
	if (common)
2754 2755 2756 2757 2758 2759 2760 2761 2762 2763
		/* Common ramrods:
		 *	FUNC_START, FUNC_STOP, CFC_DEL, STATS, SET_MAC
		 *	TRAFFIC_STOP, TRAFFIC_START
		 */
		type = (NONE_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
			& SPE_HDR_CONN_TYPE;
	else
		/* ETH ramrods: SETUP, HALT */
		type = (ETH_CONNECTION_TYPE << SPE_HDR_CONN_TYPE_SHIFT)
			& SPE_HDR_CONN_TYPE;
E
Eliezer Tamir 已提交
2764

2765 2766
	type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
		 SPE_HDR_FUNCTION_ID);
E
Eliezer Tamir 已提交
2767

2768 2769 2770 2771 2772 2773
	spe->hdr.type = cpu_to_le16(type);

	spe->data.update_data_addr.hi = cpu_to_le32(data_hi);
	spe->data.update_data_addr.lo = cpu_to_le32(data_lo);

	/* stats ramrod has it's own slot on the spq */
2774
	if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY) {
2775 2776 2777 2778
		/* It's ok if the actual decrement is issued towards the memory
		 * somewhere between the spin_lock and spin_unlock. Thus no
		 * more explict memory barrier is needed.
		 */
2779 2780 2781 2782 2783 2784
		if (common)
			atomic_dec(&bp->eq_spq_left);
		else
			atomic_dec(&bp->cq_spq_left);
	}

E
Eliezer Tamir 已提交
2785

V
Vladislav Zolotarov 已提交
2786
	DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2787
	   "SPQE[%x] (%x:%x)  command %d  hw_cid %x  data (%x:%x) "
2788
	   "type(0x%x) left (ETH, COMMON) (%x,%x)\n",
V
Vladislav Zolotarov 已提交
2789 2790 2791
	   bp->spq_prod_idx, (u32)U64_HI(bp->spq_mapping),
	   (u32)(U64_LO(bp->spq_mapping) +
	   (void *)bp->spq_prod_bd - (void *)bp->spq), command,
2792 2793
	   HW_CID(bp, cid), data_hi, data_lo, type,
	   atomic_read(&bp->cq_spq_left), atomic_read(&bp->eq_spq_left));
V
Vladislav Zolotarov 已提交
2794

M
Michael Chan 已提交
2795
	bnx2x_sp_prod_update(bp);
2796
	spin_unlock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2797 2798 2799 2800
	return 0;
}

/* acquire split MCP access lock register */
Y
Yitchak Gertner 已提交
2801
static int bnx2x_acquire_alr(struct bnx2x *bp)
E
Eliezer Tamir 已提交
2802
{
2803
	u32 j, val;
2804
	int rc = 0;
E
Eliezer Tamir 已提交
2805 2806

	might_sleep();
2807
	for (j = 0; j < 1000; j++) {
E
Eliezer Tamir 已提交
2808 2809 2810 2811 2812 2813 2814 2815 2816
		val = (1UL << 31);
		REG_WR(bp, GRCBASE_MCP + 0x9c, val);
		val = REG_RD(bp, GRCBASE_MCP + 0x9c);
		if (val & (1L << 31))
			break;

		msleep(5);
	}
	if (!(val & (1L << 31))) {
2817
		BNX2X_ERR("Cannot acquire MCP access lock register\n");
E
Eliezer Tamir 已提交
2818 2819 2820 2821 2822 2823
		rc = -EBUSY;
	}

	return rc;
}

Y
Yitchak Gertner 已提交
2824 2825
/* release split MCP access lock register */
static void bnx2x_release_alr(struct bnx2x *bp)
E
Eliezer Tamir 已提交
2826
{
2827
	REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
E
Eliezer Tamir 已提交
2828 2829
}

2830 2831 2832
#define BNX2X_DEF_SB_ATT_IDX	0x0001
#define BNX2X_DEF_SB_IDX	0x0002

E
Eliezer Tamir 已提交
2833 2834
static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
{
2835
	struct host_sp_status_block *def_sb = bp->def_status_blk;
E
Eliezer Tamir 已提交
2836 2837 2838 2839 2840
	u16 rc = 0;

	barrier(); /* status block is written to by the chip */
	if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) {
		bp->def_att_idx = def_sb->atten_status_block.attn_bits_index;
2841
		rc |= BNX2X_DEF_SB_ATT_IDX;
E
Eliezer Tamir 已提交
2842
	}
2843 2844 2845 2846

	if (bp->def_idx != def_sb->sp_sb.running_index) {
		bp->def_idx = def_sb->sp_sb.running_index;
		rc |= BNX2X_DEF_SB_IDX;
E
Eliezer Tamir 已提交
2847
	}
2848 2849 2850

	/* Do not reorder: indecies reading should complete before handling */
	barrier();
E
Eliezer Tamir 已提交
2851 2852 2853 2854 2855 2856 2857 2858 2859
	return rc;
}

/*
 * slow path service functions
 */

static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
{
2860
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
2861 2862
	u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			      MISC_REG_AEU_MASK_ATTN_FUNC_0;
2863 2864
	u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
				       NIG_REG_MASK_INTERRUPT_PORT0;
E
Eilon Greenstein 已提交
2865
	u32 aeu_mask;
2866
	u32 nig_mask = 0;
D
Dmitry Kravkov 已提交
2867
	u32 reg_addr;
E
Eliezer Tamir 已提交
2868 2869 2870 2871

	if (bp->attn_state & asserted)
		BNX2X_ERR("IGU ERROR\n");

E
Eilon Greenstein 已提交
2872 2873 2874
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
	aeu_mask = REG_RD(bp, aeu_addr);

E
Eliezer Tamir 已提交
2875
	DP(NETIF_MSG_HW, "aeu_mask %x  newly asserted %x\n",
E
Eilon Greenstein 已提交
2876
	   aeu_mask, asserted);
2877
	aeu_mask &= ~(asserted & 0x3ff);
E
Eilon Greenstein 已提交
2878
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
E
Eliezer Tamir 已提交
2879

E
Eilon Greenstein 已提交
2880 2881
	REG_WR(bp, aeu_addr, aeu_mask);
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
E
Eliezer Tamir 已提交
2882

E
Eilon Greenstein 已提交
2883
	DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
E
Eliezer Tamir 已提交
2884
	bp->attn_state |= asserted;
E
Eilon Greenstein 已提交
2885
	DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
E
Eliezer Tamir 已提交
2886 2887 2888 2889

	if (asserted & ATTN_HARD_WIRED_MASK) {
		if (asserted & ATTN_NIG_FOR_FUNC) {

2890 2891
			bnx2x_acquire_phy_lock(bp);

2892
			/* save nig interrupt mask */
2893
			nig_mask = REG_RD(bp, nig_int_mask_addr);
2894
			REG_WR(bp, nig_int_mask_addr, 0);
E
Eliezer Tamir 已提交
2895

Y
Yaniv Rosner 已提交
2896
			bnx2x_link_attn(bp);
E
Eliezer Tamir 已提交
2897 2898 2899 2900 2901 2902 2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915 2916 2917 2918 2919 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 2936 2937 2938 2939 2940 2941

			/* handle unicore attn? */
		}
		if (asserted & ATTN_SW_TIMER_4_FUNC)
			DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");

		if (asserted & GPIO_2_FUNC)
			DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");

		if (asserted & GPIO_3_FUNC)
			DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");

		if (asserted & GPIO_4_FUNC)
			DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");

		if (port == 0) {
			if (asserted & ATTN_GENERAL_ATTN_1) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_2) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_3) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0);
			}
		} else {
			if (asserted & ATTN_GENERAL_ATTN_4) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_5) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0);
			}
			if (asserted & ATTN_GENERAL_ATTN_6) {
				DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n");
				REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0);
			}
		}

	} /* if hardwired */

D
Dmitry Kravkov 已提交
2942 2943 2944 2945 2946 2947 2948 2949 2950
	if (bp->common.int_block == INT_BLOCK_HC)
		reg_addr = (HC_REG_COMMAND_REG + port*32 +
			    COMMAND_REG_ATTN_BITS_SET);
	else
		reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_SET_UPPER*8);

	DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", asserted,
	   (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
	REG_WR(bp, reg_addr, asserted);
E
Eliezer Tamir 已提交
2951 2952

	/* now set back the mask */
2953
	if (asserted & ATTN_NIG_FOR_FUNC) {
2954
		REG_WR(bp, nig_int_mask_addr, nig_mask);
2955 2956
		bnx2x_release_phy_lock(bp);
	}
E
Eliezer Tamir 已提交
2957 2958
}

E
Eilon Greenstein 已提交
2959 2960 2961
static inline void bnx2x_fan_failure(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
Y
Yaniv Rosner 已提交
2962
	u32 ext_phy_config;
E
Eilon Greenstein 已提交
2963
	/* mark the failure */
Y
Yaniv Rosner 已提交
2964 2965 2966 2967 2968 2969
	ext_phy_config =
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].external_phy_config);

	ext_phy_config &= ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK;
	ext_phy_config |= PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE;
E
Eilon Greenstein 已提交
2970
	SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Y
Yaniv Rosner 已提交
2971
		 ext_phy_config);
E
Eilon Greenstein 已提交
2972 2973

	/* log the failure */
V
Vladislav Zolotarov 已提交
2974 2975 2976
	netdev_err(bp->dev, "Fan Failure on Network Controller has caused"
	       " the driver to shutdown the card to prevent permanent"
	       " damage.  Please contact OEM Support for assistance\n");
E
Eilon Greenstein 已提交
2977
}
2978

2979
static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
E
Eliezer Tamir 已提交
2980
{
2981
	int port = BP_PORT(bp);
2982
	int reg_offset;
2983
	u32 val;
2984

2985 2986
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2987

2988
	if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2989 2990 2991 2992 2993 2994 2995

		val = REG_RD(bp, reg_offset);
		val &= ~AEU_INPUTS_ATTN_BITS_SPIO5;
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("SPIO5 hw attention\n");

E
Eilon Greenstein 已提交
2996
		/* Fan failure attention */
2997
		bnx2x_hw_reset_phy(&bp->link_params);
E
Eilon Greenstein 已提交
2998
		bnx2x_fan_failure(bp);
2999
	}
3000

E
Eilon Greenstein 已提交
3001 3002 3003 3004 3005 3006 3007
	if (attn & (AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_0 |
		    AEU_INPUTS_ATTN_BITS_GPIO3_FUNCTION_1)) {
		bnx2x_acquire_phy_lock(bp);
		bnx2x_handle_module_detect_int(&bp->link_params);
		bnx2x_release_phy_lock(bp);
	}

3008 3009 3010 3011 3012 3013 3014
	if (attn & HW_INTERRUT_ASSERT_SET_0) {

		val = REG_RD(bp, reg_offset);
		val &= ~(attn & HW_INTERRUT_ASSERT_SET_0);
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("FATAL HW block attention set0 0x%x\n",
3015
			  (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
3016 3017
		bnx2x_panic();
	}
3018 3019 3020 3021 3022 3023
}

static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn)
{
	u32 val;

3024
	if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
3025 3026 3027 3028 3029 3030 3031

		val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR);
		BNX2X_ERR("DB hw attention 0x%x\n", val);
		/* DORQ discard attention */
		if (val & 0x2)
			BNX2X_ERR("FATAL error from DORQ\n");
	}
3032 3033 3034 3035 3036 3037 3038 3039 3040 3041 3042 3043 3044 3045

	if (attn & HW_INTERRUT_ASSERT_SET_1) {

		int port = BP_PORT(bp);
		int reg_offset;

		reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 :
				     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1);

		val = REG_RD(bp, reg_offset);
		val &= ~(attn & HW_INTERRUT_ASSERT_SET_1);
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("FATAL HW block attention set1 0x%x\n",
3046
			  (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
3047 3048
		bnx2x_panic();
	}
3049 3050 3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070
}

static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn)
{
	u32 val;

	if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) {

		val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR);
		BNX2X_ERR("CFC hw attention 0x%x\n", val);
		/* CFC error attention */
		if (val & 0x2)
			BNX2X_ERR("FATAL error from CFC\n");
	}

	if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {

		val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0);
		BNX2X_ERR("PXP hw attention 0x%x\n", val);
		/* RQ_USDMDP_FIFO_OVERFLOW */
		if (val & 0x18000)
			BNX2X_ERR("FATAL error from PXP\n");
D
Dmitry Kravkov 已提交
3071 3072 3073 3074
		if (CHIP_IS_E2(bp)) {
			val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_1);
			BNX2X_ERR("PXP hw attention-1 0x%x\n", val);
		}
3075
	}
3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089

	if (attn & HW_INTERRUT_ASSERT_SET_2) {

		int port = BP_PORT(bp);
		int reg_offset;

		reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 :
				     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2);

		val = REG_RD(bp, reg_offset);
		val &= ~(attn & HW_INTERRUT_ASSERT_SET_2);
		REG_WR(bp, reg_offset, val);

		BNX2X_ERR("FATAL HW block attention set2 0x%x\n",
3090
			  (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
3091 3092
		bnx2x_panic();
	}
3093 3094 3095 3096
}

static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
{
3097 3098
	u32 val;

3099 3100
	if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {

3101 3102 3103 3104
		if (attn & BNX2X_PMF_LINK_ASSERT) {
			int func = BP_FUNC(bp);

			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);
D
Dmitry Kravkov 已提交
3105 3106 3107 3108
			bp->mf_config[BP_VN(bp)] = MF_CFG_RD(bp,
					func_mf_config[BP_ABS_FUNC(bp)].config);
			val = SHMEM_RD(bp,
				       func_mb[BP_FW_MB_IDX(bp)].drv_status);
3109 3110 3111
			if (val & DRV_STATUS_DCC_EVENT_MASK)
				bnx2x_dcc_event(bp,
					    (val & DRV_STATUS_DCC_EVENT_MASK));
3112 3113 3114 3115

			if (val & DRV_STATUS_SET_MF_BW)
				bnx2x_set_mf_bw(bp);

3116
			if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
3117 3118
				bnx2x_pmf_update(bp);

3119 3120 3121 3122 3123
			/* Always call it here: bnx2x_link_report() will
			 * prevent the link indication duplication.
			 */
			bnx2x__link_status_update(bp);

V
Vladislav Zolotarov 已提交
3124
			if (bp->port.pmf &&
S
Shmulik Ravid 已提交
3125 3126
			    (val & DRV_STATUS_DCBX_NEGOTIATION_RESULTS) &&
				bp->dcbx_enabled > 0)
V
Vladislav Zolotarov 已提交
3127 3128 3129
				/* start dcbx state machine */
				bnx2x_dcbx_set_params(bp,
					BNX2X_DCBX_STATE_NEG_RECEIVED);
3130
		} else if (attn & BNX2X_MC_ASSERT_BITS) {
3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142

			BNX2X_ERR("MC assert!\n");
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0);
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0);
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0);
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0);
			bnx2x_panic();

		} else if (attn & BNX2X_MCP_ASSERT) {

			BNX2X_ERR("MCP assert!\n");
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0);
3143
			bnx2x_fw_dump(bp);
3144 3145 3146 3147 3148 3149

		} else
			BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn);
	}

	if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
3150 3151
		BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
		if (attn & BNX2X_GRC_TIMEOUT) {
D
Dmitry Kravkov 已提交
3152 3153
			val = CHIP_IS_E1(bp) ? 0 :
					REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
3154 3155 3156
			BNX2X_ERR("GRC time-out 0x%08x\n", val);
		}
		if (attn & BNX2X_GRC_RSV) {
D
Dmitry Kravkov 已提交
3157 3158
			val = CHIP_IS_E1(bp) ? 0 :
					REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
3159 3160
			BNX2X_ERR("GRC reserved 0x%08x\n", val);
		}
3161 3162 3163 3164
		REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
	}
}

3165 3166 3167 3168 3169
#define BNX2X_MISC_GEN_REG      MISC_REG_GENERIC_POR_1
#define LOAD_COUNTER_BITS	16 /* Number of bits for load counter */
#define LOAD_COUNTER_MASK	(((u32)0x1 << LOAD_COUNTER_BITS) - 1)
#define RESET_DONE_FLAG_MASK	(~LOAD_COUNTER_MASK)
#define RESET_DONE_FLAG_SHIFT	LOAD_COUNTER_BITS
D
Dmitry Kravkov 已提交
3170

3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197
/*
 * should be run under rtnl lock
 */
static inline void bnx2x_set_reset_done(struct bnx2x *bp)
{
	u32 val	= REG_RD(bp, BNX2X_MISC_GEN_REG);
	val &= ~(1 << RESET_DONE_FLAG_SHIFT);
	REG_WR(bp, BNX2X_MISC_GEN_REG, val);
	barrier();
	mmiowb();
}

/*
 * should be run under rtnl lock
 */
static inline void bnx2x_set_reset_in_progress(struct bnx2x *bp)
{
	u32 val	= REG_RD(bp, BNX2X_MISC_GEN_REG);
	val |= (1 << 16);
	REG_WR(bp, BNX2X_MISC_GEN_REG, val);
	barrier();
	mmiowb();
}

/*
 * should be run under rtnl lock
 */
D
Dmitry Kravkov 已提交
3198
bool bnx2x_reset_is_done(struct bnx2x *bp)
3199 3200 3201 3202 3203 3204 3205 3206 3207
{
	u32 val	= REG_RD(bp, BNX2X_MISC_GEN_REG);
	DP(NETIF_MSG_HW, "GEN_REG_VAL=0x%08x\n", val);
	return (val & RESET_DONE_FLAG_MASK) ? false : true;
}

/*
 * should be run under rtnl lock
 */
D
Dmitry Kravkov 已提交
3208
inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222
{
	u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);

	DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);

	val1 = ((val & LOAD_COUNTER_MASK) + 1) & LOAD_COUNTER_MASK;
	REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
	barrier();
	mmiowb();
}

/*
 * should be run under rtnl lock
 */
D
Dmitry Kravkov 已提交
3223
u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
3224 3225 3226 3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248 3249 3250 3251 3252 3253 3254 3255 3256 3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290 3291 3292 3293 3294 3295 3296 3297 3298 3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312 3313 3314 3315 3316 3317 3318 3319 3320 3321 3322 3323 3324 3325 3326 3327 3328 3329 3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366 3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377 3378 3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395 3396 3397 3398 3399 3400 3401 3402 3403 3404 3405 3406 3407 3408 3409 3410 3411 3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422 3423 3424 3425 3426 3427 3428 3429 3430 3431 3432 3433 3434 3435 3436 3437 3438 3439 3440
{
	u32 val1, val = REG_RD(bp, BNX2X_MISC_GEN_REG);

	DP(NETIF_MSG_HW, "Old GEN_REG_VAL=0x%08x\n", val);

	val1 = ((val & LOAD_COUNTER_MASK) - 1) & LOAD_COUNTER_MASK;
	REG_WR(bp, BNX2X_MISC_GEN_REG, (val & RESET_DONE_FLAG_MASK) | val1);
	barrier();
	mmiowb();

	return val1;
}

/*
 * should be run under rtnl lock
 */
static inline u32 bnx2x_get_load_cnt(struct bnx2x *bp)
{
	return REG_RD(bp, BNX2X_MISC_GEN_REG) & LOAD_COUNTER_MASK;
}

static inline void bnx2x_clear_load_cnt(struct bnx2x *bp)
{
	u32 val = REG_RD(bp, BNX2X_MISC_GEN_REG);
	REG_WR(bp, BNX2X_MISC_GEN_REG, val & (~LOAD_COUNTER_MASK));
}

static inline void _print_next_block(int idx, const char *blk)
{
	if (idx)
		pr_cont(", ");
	pr_cont("%s", blk);
}

static inline int bnx2x_print_blocks_with_parity0(u32 sig, int par_num)
{
	int i = 0;
	u32 cur_bit = 0;
	for (i = 0; sig; i++) {
		cur_bit = ((u32)0x1 << i);
		if (sig & cur_bit) {
			switch (cur_bit) {
			case AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR:
				_print_next_block(par_num++, "BRB");
				break;
			case AEU_INPUTS_ATTN_BITS_PARSER_PARITY_ERROR:
				_print_next_block(par_num++, "PARSER");
				break;
			case AEU_INPUTS_ATTN_BITS_TSDM_PARITY_ERROR:
				_print_next_block(par_num++, "TSDM");
				break;
			case AEU_INPUTS_ATTN_BITS_SEARCHER_PARITY_ERROR:
				_print_next_block(par_num++, "SEARCHER");
				break;
			case AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR:
				_print_next_block(par_num++, "TSEMI");
				break;
			}

			/* Clear the bit */
			sig &= ~cur_bit;
		}
	}

	return par_num;
}

static inline int bnx2x_print_blocks_with_parity1(u32 sig, int par_num)
{
	int i = 0;
	u32 cur_bit = 0;
	for (i = 0; sig; i++) {
		cur_bit = ((u32)0x1 << i);
		if (sig & cur_bit) {
			switch (cur_bit) {
			case AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR:
				_print_next_block(par_num++, "PBCLIENT");
				break;
			case AEU_INPUTS_ATTN_BITS_QM_PARITY_ERROR:
				_print_next_block(par_num++, "QM");
				break;
			case AEU_INPUTS_ATTN_BITS_XSDM_PARITY_ERROR:
				_print_next_block(par_num++, "XSDM");
				break;
			case AEU_INPUTS_ATTN_BITS_XSEMI_PARITY_ERROR:
				_print_next_block(par_num++, "XSEMI");
				break;
			case AEU_INPUTS_ATTN_BITS_DOORBELLQ_PARITY_ERROR:
				_print_next_block(par_num++, "DOORBELLQ");
				break;
			case AEU_INPUTS_ATTN_BITS_VAUX_PCI_CORE_PARITY_ERROR:
				_print_next_block(par_num++, "VAUX PCI CORE");
				break;
			case AEU_INPUTS_ATTN_BITS_DEBUG_PARITY_ERROR:
				_print_next_block(par_num++, "DEBUG");
				break;
			case AEU_INPUTS_ATTN_BITS_USDM_PARITY_ERROR:
				_print_next_block(par_num++, "USDM");
				break;
			case AEU_INPUTS_ATTN_BITS_USEMI_PARITY_ERROR:
				_print_next_block(par_num++, "USEMI");
				break;
			case AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR:
				_print_next_block(par_num++, "UPB");
				break;
			case AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR:
				_print_next_block(par_num++, "CSDM");
				break;
			}

			/* Clear the bit */
			sig &= ~cur_bit;
		}
	}

	return par_num;
}

static inline int bnx2x_print_blocks_with_parity2(u32 sig, int par_num)
{
	int i = 0;
	u32 cur_bit = 0;
	for (i = 0; sig; i++) {
		cur_bit = ((u32)0x1 << i);
		if (sig & cur_bit) {
			switch (cur_bit) {
			case AEU_INPUTS_ATTN_BITS_CSEMI_PARITY_ERROR:
				_print_next_block(par_num++, "CSEMI");
				break;
			case AEU_INPUTS_ATTN_BITS_PXP_PARITY_ERROR:
				_print_next_block(par_num++, "PXP");
				break;
			case AEU_IN_ATTN_BITS_PXPPCICLOCKCLIENT_PARITY_ERROR:
				_print_next_block(par_num++,
					"PXPPCICLOCKCLIENT");
				break;
			case AEU_INPUTS_ATTN_BITS_CFC_PARITY_ERROR:
				_print_next_block(par_num++, "CFC");
				break;
			case AEU_INPUTS_ATTN_BITS_CDU_PARITY_ERROR:
				_print_next_block(par_num++, "CDU");
				break;
			case AEU_INPUTS_ATTN_BITS_IGU_PARITY_ERROR:
				_print_next_block(par_num++, "IGU");
				break;
			case AEU_INPUTS_ATTN_BITS_MISC_PARITY_ERROR:
				_print_next_block(par_num++, "MISC");
				break;
			}

			/* Clear the bit */
			sig &= ~cur_bit;
		}
	}

	return par_num;
}

static inline int bnx2x_print_blocks_with_parity3(u32 sig, int par_num)
{
	int i = 0;
	u32 cur_bit = 0;
	for (i = 0; sig; i++) {
		cur_bit = ((u32)0x1 << i);
		if (sig & cur_bit) {
			switch (cur_bit) {
			case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_ROM_PARITY:
				_print_next_block(par_num++, "MCP ROM");
				break;
			case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_RX_PARITY:
				_print_next_block(par_num++, "MCP UMP RX");
				break;
			case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_UMP_TX_PARITY:
				_print_next_block(par_num++, "MCP UMP TX");
				break;
			case AEU_INPUTS_ATTN_BITS_MCP_LATCHED_SCPAD_PARITY:
				_print_next_block(par_num++, "MCP SCPAD");
				break;
			}

			/* Clear the bit */
			sig &= ~cur_bit;
		}
	}

	return par_num;
}

static inline bool bnx2x_parity_attn(struct bnx2x *bp, u32 sig0, u32 sig1,
				     u32 sig2, u32 sig3)
{
	if ((sig0 & HW_PRTY_ASSERT_SET_0) || (sig1 & HW_PRTY_ASSERT_SET_1) ||
	    (sig2 & HW_PRTY_ASSERT_SET_2) || (sig3 & HW_PRTY_ASSERT_SET_3)) {
		int par_num = 0;
		DP(NETIF_MSG_HW, "Was parity error: HW block parity attention: "
			"[0]:0x%08x [1]:0x%08x "
			"[2]:0x%08x [3]:0x%08x\n",
			  sig0 & HW_PRTY_ASSERT_SET_0,
			  sig1 & HW_PRTY_ASSERT_SET_1,
			  sig2 & HW_PRTY_ASSERT_SET_2,
			  sig3 & HW_PRTY_ASSERT_SET_3);
		printk(KERN_ERR"%s: Parity errors detected in blocks: ",
		       bp->dev->name);
		par_num = bnx2x_print_blocks_with_parity0(
			sig0 & HW_PRTY_ASSERT_SET_0, par_num);
		par_num = bnx2x_print_blocks_with_parity1(
			sig1 & HW_PRTY_ASSERT_SET_1, par_num);
		par_num = bnx2x_print_blocks_with_parity2(
			sig2 & HW_PRTY_ASSERT_SET_2, par_num);
		par_num = bnx2x_print_blocks_with_parity3(
			sig3 & HW_PRTY_ASSERT_SET_3, par_num);
		printk("\n");
		return true;
	} else
		return false;
}

D
Dmitry Kravkov 已提交
3441
bool bnx2x_chk_parity_attn(struct bnx2x *bp)
3442
{
E
Eliezer Tamir 已提交
3443
	struct attn_route attn;
3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461 3462
	int port = BP_PORT(bp);

	attn.sig[0] = REG_RD(bp,
		MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 +
			     port*4);
	attn.sig[1] = REG_RD(bp,
		MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 +
			     port*4);
	attn.sig[2] = REG_RD(bp,
		MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 +
			     port*4);
	attn.sig[3] = REG_RD(bp,
		MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
			     port*4);

	return bnx2x_parity_attn(bp, attn.sig[0], attn.sig[1], attn.sig[2],
					attn.sig[3]);
}

D
Dmitry Kravkov 已提交
3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509 3510 3511 3512 3513 3514 3515 3516 3517 3518 3519 3520 3521 3522 3523 3524 3525 3526 3527 3528 3529 3530

static inline void bnx2x_attn_int_deasserted4(struct bnx2x *bp, u32 attn)
{
	u32 val;
	if (attn & AEU_INPUTS_ATTN_BITS_PGLUE_HW_INTERRUPT) {

		val = REG_RD(bp, PGLUE_B_REG_PGLUE_B_INT_STS_CLR);
		BNX2X_ERR("PGLUE hw attention 0x%x\n", val);
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_ADDRESS_ERROR)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "ADDRESS_ERROR\n");
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_INCORRECT_RCV_BEHAVIOR)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "INCORRECT_RCV_BEHAVIOR\n");
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_WAS_ERROR_ATTN)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "WAS_ERROR_ATTN\n");
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_VF_LENGTH_VIOLATION_ATTN)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "VF_LENGTH_VIOLATION_ATTN\n");
		if (val &
		    PGLUE_B_PGLUE_B_INT_STS_REG_VF_GRC_SPACE_VIOLATION_ATTN)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "VF_GRC_SPACE_VIOLATION_ATTN\n");
		if (val &
		    PGLUE_B_PGLUE_B_INT_STS_REG_VF_MSIX_BAR_VIOLATION_ATTN)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "VF_MSIX_BAR_VIOLATION_ATTN\n");
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_ERROR_ATTN)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "TCPL_ERROR_ATTN\n");
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_TCPL_IN_TWO_RCBS_ATTN)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "TCPL_IN_TWO_RCBS_ATTN\n");
		if (val & PGLUE_B_PGLUE_B_INT_STS_REG_CSSNOOP_FIFO_OVERFLOW)
			BNX2X_ERR("PGLUE_B_PGLUE_B_INT_STS_REG_"
				  "CSSNOOP_FIFO_OVERFLOW\n");
	}
	if (attn & AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT) {
		val = REG_RD(bp, ATC_REG_ATC_INT_STS_CLR);
		BNX2X_ERR("ATC hw attention 0x%x\n", val);
		if (val & ATC_ATC_INT_STS_REG_ADDRESS_ERROR)
			BNX2X_ERR("ATC_ATC_INT_STS_REG_ADDRESS_ERROR\n");
		if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_TO_NOT_PEND)
			BNX2X_ERR("ATC_ATC_INT_STS_REG"
				  "_ATC_TCPL_TO_NOT_PEND\n");
		if (val & ATC_ATC_INT_STS_REG_ATC_GPA_MULTIPLE_HITS)
			BNX2X_ERR("ATC_ATC_INT_STS_REG_"
				  "ATC_GPA_MULTIPLE_HITS\n");
		if (val & ATC_ATC_INT_STS_REG_ATC_RCPL_TO_EMPTY_CNT)
			BNX2X_ERR("ATC_ATC_INT_STS_REG_"
				  "ATC_RCPL_TO_EMPTY_CNT\n");
		if (val & ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR)
			BNX2X_ERR("ATC_ATC_INT_STS_REG_ATC_TCPL_ERROR\n");
		if (val & ATC_ATC_INT_STS_REG_ATC_IREQ_LESS_THAN_STU)
			BNX2X_ERR("ATC_ATC_INT_STS_REG_"
				  "ATC_IREQ_LESS_THAN_STU\n");
	}

	if (attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
		    AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)) {
		BNX2X_ERR("FATAL parity attention set4 0x%x\n",
		(u32)(attn & (AEU_INPUTS_ATTN_BITS_PGLUE_PARITY_ERROR |
		    AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR)));
	}

}

3531 3532 3533
static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
{
	struct attn_route attn, *group_mask;
3534
	int port = BP_PORT(bp);
3535
	int index;
E
Eliezer Tamir 已提交
3536 3537
	u32 reg_addr;
	u32 val;
E
Eilon Greenstein 已提交
3538
	u32 aeu_mask;
E
Eliezer Tamir 已提交
3539 3540 3541

	/* need to take HW lock because MCP or other port might also
	   try to handle this event */
Y
Yitchak Gertner 已提交
3542
	bnx2x_acquire_alr(bp);
E
Eliezer Tamir 已提交
3543

3544
	if (CHIP_PARITY_ENABLED(bp) && bnx2x_chk_parity_attn(bp)) {
3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556
		bp->recovery_state = BNX2X_RECOVERY_INIT;
		bnx2x_set_reset_in_progress(bp);
		schedule_delayed_work(&bp->reset_task, 0);
		/* Disable HW interrupts */
		bnx2x_int_disable(bp);
		bnx2x_release_alr(bp);
		/* In case of parity errors don't handle attentions so that
		 * other function would "see" parity errors.
		 */
		return;
	}

E
Eliezer Tamir 已提交
3557 3558 3559 3560
	attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4);
	attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4);
	attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4);
	attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4);
D
Dmitry Kravkov 已提交
3561 3562 3563 3564 3565 3566 3567 3568
	if (CHIP_IS_E2(bp))
		attn.sig[4] =
		      REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_5_FUNC_0 + port*4);
	else
		attn.sig[4] = 0;

	DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x %08x\n",
	   attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3], attn.sig[4]);
E
Eliezer Tamir 已提交
3569 3570 3571

	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
		if (deasserted & (1 << index)) {
3572
			group_mask = &bp->attn_group[index];
E
Eliezer Tamir 已提交
3573

D
Dmitry Kravkov 已提交
3574 3575 3576 3577 3578 3579
			DP(NETIF_MSG_HW, "group[%d]: %08x %08x "
					 "%08x %08x %08x\n",
			   index,
			   group_mask->sig[0], group_mask->sig[1],
			   group_mask->sig[2], group_mask->sig[3],
			   group_mask->sig[4]);
E
Eliezer Tamir 已提交
3580

D
Dmitry Kravkov 已提交
3581 3582
			bnx2x_attn_int_deasserted4(bp,
					attn.sig[4] & group_mask->sig[4]);
3583
			bnx2x_attn_int_deasserted3(bp,
3584
					attn.sig[3] & group_mask->sig[3]);
3585
			bnx2x_attn_int_deasserted1(bp,
3586
					attn.sig[1] & group_mask->sig[1]);
3587
			bnx2x_attn_int_deasserted2(bp,
3588
					attn.sig[2] & group_mask->sig[2]);
3589
			bnx2x_attn_int_deasserted0(bp,
3590
					attn.sig[0] & group_mask->sig[0]);
E
Eliezer Tamir 已提交
3591 3592 3593
		}
	}

Y
Yitchak Gertner 已提交
3594
	bnx2x_release_alr(bp);
E
Eliezer Tamir 已提交
3595

D
Dmitry Kravkov 已提交
3596 3597 3598 3599 3600
	if (bp->common.int_block == INT_BLOCK_HC)
		reg_addr = (HC_REG_COMMAND_REG + port*32 +
			    COMMAND_REG_ATTN_BITS_CLR);
	else
		reg_addr = (BAR_IGU_INTMEM + IGU_CMD_ATTN_BIT_CLR_UPPER*8);
E
Eliezer Tamir 已提交
3601 3602

	val = ~deasserted;
D
Dmitry Kravkov 已提交
3603 3604
	DP(NETIF_MSG_HW, "about to mask 0x%08x at %s addr 0x%x\n", val,
	   (bp->common.int_block == INT_BLOCK_HC) ? "HC" : "IGU", reg_addr);
3605
	REG_WR(bp, reg_addr, val);
E
Eliezer Tamir 已提交
3606 3607

	if (~bp->attn_state & deasserted)
E
Eilon Greenstein 已提交
3608
		BNX2X_ERR("IGU ERROR\n");
E
Eliezer Tamir 已提交
3609 3610 3611 3612

	reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			  MISC_REG_AEU_MASK_ATTN_FUNC_0;

E
Eilon Greenstein 已提交
3613 3614 3615 3616 3617
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
	aeu_mask = REG_RD(bp, reg_addr);

	DP(NETIF_MSG_HW, "aeu_mask %x  newly deasserted %x\n",
	   aeu_mask, deasserted);
3618
	aeu_mask |= (deasserted & 0x3ff);
E
Eilon Greenstein 已提交
3619
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
E
Eliezer Tamir 已提交
3620

E
Eilon Greenstein 已提交
3621 3622
	REG_WR(bp, reg_addr, aeu_mask);
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port);
E
Eliezer Tamir 已提交
3623 3624 3625 3626 3627 3628 3629 3630 3631

	DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
	bp->attn_state &= ~deasserted;
	DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
}

static void bnx2x_attn_int(struct bnx2x *bp)
{
	/* read local copy of bits */
E
Eilon Greenstein 已提交
3632 3633 3634 3635
	u32 attn_bits = le32_to_cpu(bp->def_status_blk->atten_status_block.
								attn_bits);
	u32 attn_ack = le32_to_cpu(bp->def_status_blk->atten_status_block.
								attn_bits_ack);
E
Eliezer Tamir 已提交
3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646
	u32 attn_state = bp->attn_state;

	/* look for changed bits */
	u32 asserted   =  attn_bits & ~attn_ack & ~attn_state;
	u32 deasserted = ~attn_bits &  attn_ack &  attn_state;

	DP(NETIF_MSG_HW,
	   "attn_bits %x  attn_ack %x  asserted %x  deasserted %x\n",
	   attn_bits, attn_ack, asserted, deasserted);

	if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state))
3647
		BNX2X_ERR("BAD attention state\n");
E
Eliezer Tamir 已提交
3648 3649 3650 3651 3652 3653 3654 3655 3656

	/* handle bits that were raised */
	if (asserted)
		bnx2x_attn_int_asserted(bp, asserted);

	if (deasserted)
		bnx2x_attn_int_deasserted(bp, deasserted);
}

3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668
static inline void bnx2x_update_eq_prod(struct bnx2x *bp, u16 prod)
{
	/* No memory barriers */
	storm_memset_eq_prod(bp, prod, BP_FUNC(bp));
	mmiowb(); /* keep prod updates ordered */
}

#ifdef BCM_CNIC
static int  bnx2x_cnic_handle_cfc_del(struct bnx2x *bp, u32 cid,
				      union event_ring_elem *elem)
{
	if (!bp->cnic_eth_dev.starting_cid  ||
3669 3670
	    (cid < bp->cnic_eth_dev.starting_cid &&
	    cid != bp->cnic_eth_dev.iscsi_l2_cid))
3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683 3684 3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702
		return 1;

	DP(BNX2X_MSG_SP, "got delete ramrod for CNIC CID %d\n", cid);

	if (unlikely(elem->message.data.cfc_del_event.error)) {
		BNX2X_ERR("got delete ramrod for CNIC CID %d with error!\n",
			  cid);
		bnx2x_panic_dump(bp);
	}
	bnx2x_cnic_cfc_comp(bp, cid);
	return 0;
}
#endif

static void bnx2x_eq_int(struct bnx2x *bp)
{
	u16 hw_cons, sw_cons, sw_prod;
	union event_ring_elem *elem;
	u32 cid;
	u8 opcode;
	int spqe_cnt = 0;

	hw_cons = le16_to_cpu(*bp->eq_cons_sb);

	/* The hw_cos range is 1-255, 257 - the sw_cons range is 0-254, 256.
	 * when we get the the next-page we nned to adjust so the loop
	 * condition below will be met. The next element is the size of a
	 * regular element and hence incrementing by 1
	 */
	if ((hw_cons & EQ_DESC_MAX_PAGE) == EQ_DESC_MAX_PAGE)
		hw_cons++;

L
Lucas De Marchi 已提交
3703
	/* This function may never run in parallel with itself for a
3704 3705 3706 3707 3708 3709
	 * specific bp, thus there is no need in "paired" read memory
	 * barrier here.
	 */
	sw_cons = bp->eq_cons;
	sw_prod = bp->eq_prod;

3710 3711
	DP(BNX2X_MSG_SP, "EQ:  hw_cons %u  sw_cons %u bp->cq_spq_left %u\n",
			hw_cons, sw_cons, atomic_read(&bp->eq_spq_left));
3712 3713 3714 3715 3716 3717 3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740

	for (; sw_cons != hw_cons;
	      sw_prod = NEXT_EQ_IDX(sw_prod), sw_cons = NEXT_EQ_IDX(sw_cons)) {


		elem = &bp->eq_ring[EQ_DESC(sw_cons)];

		cid = SW_CID(elem->message.data.cfc_del_event.cid);
		opcode = elem->message.opcode;


		/* handle eq element */
		switch (opcode) {
		case EVENT_RING_OPCODE_STAT_QUERY:
			DP(NETIF_MSG_TIMER, "got statistics comp event\n");
			/* nothing to do with stats comp */
			continue;

		case EVENT_RING_OPCODE_CFC_DEL:
			/* handle according to cid range */
			/*
			 * we may want to verify here that the bp state is
			 * HALTING
			 */
			DP(NETIF_MSG_IFDOWN,
			   "got delete ramrod for MULTI[%d]\n", cid);
#ifdef BCM_CNIC
			if (!bnx2x_cnic_handle_cfc_del(bp, cid, elem))
				goto next_spqe;
V
Vladislav Zolotarov 已提交
3741 3742 3743
			if (cid == BNX2X_FCOE_ETH_CID)
				bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
			else
3744
#endif
V
Vladislav Zolotarov 已提交
3745
				bnx2x_fp(bp, cid, state) =
3746 3747 3748
						BNX2X_FP_STATE_CLOSED;

			goto next_spqe;
V
Vladislav Zolotarov 已提交
3749 3750 3751 3752 3753 3754 3755 3756 3757

		case EVENT_RING_OPCODE_STOP_TRAFFIC:
			DP(NETIF_MSG_IFUP, "got STOP TRAFFIC\n");
			bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_PAUSED);
			goto next_spqe;
		case EVENT_RING_OPCODE_START_TRAFFIC:
			DP(NETIF_MSG_IFUP, "got START TRAFFIC\n");
			bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_TX_RELEASED);
			goto next_spqe;
3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775
		}

		switch (opcode | bp->state) {
		case (EVENT_RING_OPCODE_FUNCTION_START |
		      BNX2X_STATE_OPENING_WAIT4_PORT):
			DP(NETIF_MSG_IFUP, "got setup ramrod\n");
			bp->state = BNX2X_STATE_FUNC_STARTED;
			break;

		case (EVENT_RING_OPCODE_FUNCTION_STOP |
		      BNX2X_STATE_CLOSING_WAIT4_HALT):
			DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
			bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
			break;

		case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_OPEN):
		case (EVENT_RING_OPCODE_SET_MAC | BNX2X_STATE_DIAG):
			DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
3776 3777
			if (elem->message.data.set_mac_event.echo)
				bp->set_mac_pending = 0;
3778 3779 3780 3781 3782
			break;

		case (EVENT_RING_OPCODE_SET_MAC |
		      BNX2X_STATE_CLOSING_WAIT4_HALT):
			DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
3783 3784
			if (elem->message.data.set_mac_event.echo)
				bp->set_mac_pending = 0;
3785 3786 3787 3788 3789 3790 3791 3792 3793 3794
			break;
		default:
			/* unknown event log error and continue */
			BNX2X_ERR("Unknown EQ event %d\n",
				  elem->message.opcode);
		}
next_spqe:
		spqe_cnt++;
	} /* for */

3795
	smp_mb__before_atomic_inc();
3796
	atomic_add(spqe_cnt, &bp->eq_spq_left);
3797 3798 3799 3800 3801 3802 3803 3804 3805 3806

	bp->eq_cons = sw_cons;
	bp->eq_prod = sw_prod;
	/* Make sure that above mem writes were issued towards the memory */
	smp_wmb();

	/* update producer */
	bnx2x_update_eq_prod(bp, bp->eq_prod);
}

E
Eliezer Tamir 已提交
3807 3808
static void bnx2x_sp_task(struct work_struct *work)
{
3809
	struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
E
Eliezer Tamir 已提交
3810 3811 3812 3813
	u16 status;

	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3814
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
E
Eliezer Tamir 已提交
3815 3816 3817 3818
		return;
	}

	status = bnx2x_update_dsb_idx(bp);
3819 3820
/*	if (status == 0)				     */
/*		BNX2X_ERR("spurious slowpath interrupt!\n"); */
E
Eliezer Tamir 已提交
3821

V
Vladislav Zolotarov 已提交
3822
	DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
E
Eliezer Tamir 已提交
3823

3824
	/* HW attentions */
3825
	if (status & BNX2X_DEF_SB_ATT_IDX) {
E
Eliezer Tamir 已提交
3826
		bnx2x_attn_int(bp);
3827
		status &= ~BNX2X_DEF_SB_ATT_IDX;
V
Vladislav Zolotarov 已提交
3828 3829
	}

3830 3831
	/* SP events: STAT_QUERY and others */
	if (status & BNX2X_DEF_SB_IDX) {
V
Vladislav Zolotarov 已提交
3832 3833
#ifdef BCM_CNIC
		struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
3834

V
Vladislav Zolotarov 已提交
3835 3836 3837 3838
		if ((!NO_FCOE(bp)) &&
			(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
			napi_schedule(&bnx2x_fcoe(bp, napi));
#endif
3839 3840 3841 3842 3843 3844 3845
		/* Handle EQ completions */
		bnx2x_eq_int(bp);

		bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID,
			le16_to_cpu(bp->def_idx), IGU_INT_NOP, 1);

		status &= ~BNX2X_DEF_SB_IDX;
V
Vladislav Zolotarov 已提交
3846 3847 3848 3849 3850
	}

	if (unlikely(status))
		DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
		   status);
E
Eliezer Tamir 已提交
3851

3852 3853
	bnx2x_ack_sb(bp, bp->igu_dsb_id, ATTENTION_ID,
	     le16_to_cpu(bp->def_att_idx), IGU_INT_ENABLE, 1);
E
Eliezer Tamir 已提交
3854 3855
}

D
Dmitry Kravkov 已提交
3856
irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
E
Eliezer Tamir 已提交
3857 3858 3859 3860 3861 3862
{
	struct net_device *dev = dev_instance;
	struct bnx2x *bp = netdev_priv(dev);

	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3863
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
E
Eliezer Tamir 已提交
3864 3865 3866
		return IRQ_HANDLED;
	}

3867 3868
	bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
		     IGU_INT_DISABLE, 0);
E
Eliezer Tamir 已提交
3869 3870 3871 3872 3873 3874

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return IRQ_HANDLED;
#endif

3875 3876 3877 3878 3879 3880 3881 3882 3883 3884 3885
#ifdef BCM_CNIC
	{
		struct cnic_ops *c_ops;

		rcu_read_lock();
		c_ops = rcu_dereference(bp->cnic_ops);
		if (c_ops)
			c_ops->cnic_handler(bp->cnic_data, NULL);
		rcu_read_unlock();
	}
#endif
3886
	queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
E
Eliezer Tamir 已提交
3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900

	return IRQ_HANDLED;
}

/* end of slow path */

static void bnx2x_timer(unsigned long data)
{
	struct bnx2x *bp = (struct bnx2x *) data;

	if (!netif_running(bp->dev))
		return;

	if (atomic_read(&bp->intr_sem) != 0)
E
Eliezer Tamir 已提交
3901
		goto timer_restart;
E
Eliezer Tamir 已提交
3902 3903 3904 3905

	if (poll) {
		struct bnx2x_fastpath *fp = &bp->fp[0];

3906
		bnx2x_tx_int(fp);
3907
		bnx2x_rx_int(fp, 1000);
E
Eliezer Tamir 已提交
3908 3909
	}

3910
	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
3911
		int mb_idx = BP_FW_MB_IDX(bp);
E
Eliezer Tamir 已提交
3912 3913 3914 3915 3916 3917 3918
		u32 drv_pulse;
		u32 mcp_pulse;

		++bp->fw_drv_pulse_wr_seq;
		bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
		/* TBD - add SYSTEM_TIME */
		drv_pulse = bp->fw_drv_pulse_wr_seq;
D
Dmitry Kravkov 已提交
3919
		SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
E
Eliezer Tamir 已提交
3920

D
Dmitry Kravkov 已提交
3921
		mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
E
Eliezer Tamir 已提交
3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933
			     MCP_PULSE_SEQ_MASK);
		/* The delta between driver pulse and mcp response
		 * should be 1 (before mcp response) or 0 (after mcp response)
		 */
		if ((drv_pulse != mcp_pulse) &&
		    (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
			/* someone lost a heartbeat... */
			BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
				  drv_pulse, mcp_pulse);
		}
	}

3934
	if (bp->state == BNX2X_STATE_OPEN)
Y
Yitchak Gertner 已提交
3935
		bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
E
Eliezer Tamir 已提交
3936

E
Eliezer Tamir 已提交
3937
timer_restart:
E
Eliezer Tamir 已提交
3938 3939 3940 3941 3942 3943 3944 3945 3946 3947 3948
	mod_timer(&bp->timer, jiffies + bp->current_interval);
}

/* end of Statistics */

/* nic init */

/*
 * nic init service functions
 */

3949
static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
E
Eliezer Tamir 已提交
3950
{
3951 3952 3953 3954 3955 3956 3957
	u32 i;
	if (!(len%4) && !(addr%4))
		for (i = 0; i < len; i += 4)
			REG_WR(bp, addr + i, fill);
	else
		for (i = 0; i < len; i++)
			REG_WR8(bp, addr + i, fill);
3958 3959 3960

}

3961 3962 3963 3964 3965
/* helper: writes FP SP data to FW - data_size in dwords */
static inline void bnx2x_wr_fp_sb_data(struct bnx2x *bp,
				       int fw_sb_id,
				       u32 *sb_data_p,
				       u32 data_size)
3966
{
E
Eliezer Tamir 已提交
3967
	int index;
3968 3969 3970 3971 3972 3973
	for (index = 0; index < data_size; index++)
		REG_WR(bp, BAR_CSTRORM_INTMEM +
			CSTORM_STATUS_BLOCK_DATA_OFFSET(fw_sb_id) +
			sizeof(u32)*index,
			*(sb_data_p + index));
}
E
Eliezer Tamir 已提交
3974

3975 3976 3977 3978
static inline void bnx2x_zero_fp_sb(struct bnx2x *bp, int fw_sb_id)
{
	u32 *sb_data_p;
	u32 data_size = 0;
D
Dmitry Kravkov 已提交
3979
	struct hc_status_block_data_e2 sb_data_e2;
3980
	struct hc_status_block_data_e1x sb_data_e1x;
E
Eliezer Tamir 已提交
3981

3982
	/* disable the function first */
D
Dmitry Kravkov 已提交
3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998
	if (CHIP_IS_E2(bp)) {
		memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
		sb_data_e2.common.p_func.pf_id = HC_FUNCTION_DISABLED;
		sb_data_e2.common.p_func.vf_id = HC_FUNCTION_DISABLED;
		sb_data_e2.common.p_func.vf_valid = false;
		sb_data_p = (u32 *)&sb_data_e2;
		data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
	} else {
		memset(&sb_data_e1x, 0,
		       sizeof(struct hc_status_block_data_e1x));
		sb_data_e1x.common.p_func.pf_id = HC_FUNCTION_DISABLED;
		sb_data_e1x.common.p_func.vf_id = HC_FUNCTION_DISABLED;
		sb_data_e1x.common.p_func.vf_valid = false;
		sb_data_p = (u32 *)&sb_data_e1x;
		data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
	}
3999
	bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
E
Eliezer Tamir 已提交
4000

4001 4002 4003 4004 4005 4006 4007
	bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
			CSTORM_STATUS_BLOCK_OFFSET(fw_sb_id), 0,
			CSTORM_STATUS_BLOCK_SIZE);
	bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
			CSTORM_SYNC_BLOCK_OFFSET(fw_sb_id), 0,
			CSTORM_SYNC_BLOCK_SIZE);
}
4008

4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019
/* helper:  writes SP SB data to FW */
static inline void bnx2x_wr_sp_sb_data(struct bnx2x *bp,
		struct hc_sp_status_block_data *sp_sb_data)
{
	int func = BP_FUNC(bp);
	int i;
	for (i = 0; i < sizeof(struct hc_sp_status_block_data)/sizeof(u32); i++)
		REG_WR(bp, BAR_CSTRORM_INTMEM +
			CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
			i*sizeof(u32),
			*((u32 *)sp_sb_data + i));
4020 4021
}

4022
static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4023 4024
{
	int func = BP_FUNC(bp);
4025 4026
	struct hc_sp_status_block_data sp_sb_data;
	memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));
E
Eliezer Tamir 已提交
4027

4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050 4051
	sp_sb_data.p_func.pf_id = HC_FUNCTION_DISABLED;
	sp_sb_data.p_func.vf_id = HC_FUNCTION_DISABLED;
	sp_sb_data.p_func.vf_valid = false;

	bnx2x_wr_sp_sb_data(bp, &sp_sb_data);

	bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
			CSTORM_SP_STATUS_BLOCK_OFFSET(func), 0,
			CSTORM_SP_STATUS_BLOCK_SIZE);
	bnx2x_fill(bp, BAR_CSTRORM_INTMEM +
			CSTORM_SP_SYNC_BLOCK_OFFSET(func), 0,
			CSTORM_SP_SYNC_BLOCK_SIZE);

}


static inline
void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm,
					   int igu_sb_id, int igu_seg_id)
{
	hc_sm->igu_sb_id = igu_sb_id;
	hc_sm->igu_seg_id = igu_seg_id;
	hc_sm->timer_value = 0xFF;
	hc_sm->time_to_expire = 0xFFFFFFFF;
E
Eliezer Tamir 已提交
4052 4053
}

4054
static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
4055
			  u8 vf_valid, int fw_sb_id, int igu_sb_id)
E
Eliezer Tamir 已提交
4056
{
4057 4058
	int igu_seg_id;

D
Dmitry Kravkov 已提交
4059
	struct hc_status_block_data_e2 sb_data_e2;
4060 4061 4062 4063 4064
	struct hc_status_block_data_e1x sb_data_e1x;
	struct hc_status_block_sm  *hc_sm_p;
	int data_size;
	u32 *sb_data_p;

D
Dmitry Kravkov 已提交
4065 4066 4067 4068
	if (CHIP_INT_MODE_IS_BC(bp))
		igu_seg_id = HC_SEG_ACCESS_NORM;
	else
		igu_seg_id = IGU_SEG_ACCESS_NORM;
4069 4070 4071

	bnx2x_zero_fp_sb(bp, fw_sb_id);

D
Dmitry Kravkov 已提交
4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097
	if (CHIP_IS_E2(bp)) {
		memset(&sb_data_e2, 0, sizeof(struct hc_status_block_data_e2));
		sb_data_e2.common.p_func.pf_id = BP_FUNC(bp);
		sb_data_e2.common.p_func.vf_id = vfid;
		sb_data_e2.common.p_func.vf_valid = vf_valid;
		sb_data_e2.common.p_func.vnic_id = BP_VN(bp);
		sb_data_e2.common.same_igu_sb_1b = true;
		sb_data_e2.common.host_sb_addr.hi = U64_HI(mapping);
		sb_data_e2.common.host_sb_addr.lo = U64_LO(mapping);
		hc_sm_p = sb_data_e2.common.state_machine;
		sb_data_p = (u32 *)&sb_data_e2;
		data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32);
	} else {
		memset(&sb_data_e1x, 0,
		       sizeof(struct hc_status_block_data_e1x));
		sb_data_e1x.common.p_func.pf_id = BP_FUNC(bp);
		sb_data_e1x.common.p_func.vf_id = 0xff;
		sb_data_e1x.common.p_func.vf_valid = false;
		sb_data_e1x.common.p_func.vnic_id = BP_VN(bp);
		sb_data_e1x.common.same_igu_sb_1b = true;
		sb_data_e1x.common.host_sb_addr.hi = U64_HI(mapping);
		sb_data_e1x.common.host_sb_addr.lo = U64_LO(mapping);
		hc_sm_p = sb_data_e1x.common.state_machine;
		sb_data_p = (u32 *)&sb_data_e1x;
		data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
	}
4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118 4119 4120 4121 4122 4123 4124 4125 4126 4127 4128 4129

	bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID],
				       igu_sb_id, igu_seg_id);
	bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_TX_ID],
				       igu_sb_id, igu_seg_id);

	DP(NETIF_MSG_HW, "Init FW SB %d\n", fw_sb_id);

	/* write indecies to HW */
	bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
}

static void bnx2x_update_coalesce_sb_index(struct bnx2x *bp, u16 fw_sb_id,
					u8 sb_index, u8 disable, u16 usec)
{
	int port = BP_PORT(bp);
	u8 ticks = usec / BNX2X_BTR;

	storm_memset_hc_timeout(bp, port, fw_sb_id, sb_index, ticks);

	disable = disable ? 1 : (usec ? 0 : 1);
	storm_memset_hc_disable(bp, port, fw_sb_id, sb_index, disable);
}

static void bnx2x_update_coalesce_sb(struct bnx2x *bp, u16 fw_sb_id,
				     u16 tx_usec, u16 rx_usec)
{
	bnx2x_update_coalesce_sb_index(bp, fw_sb_id, U_SB_ETH_RX_CQ_INDEX,
				    false, rx_usec);
	bnx2x_update_coalesce_sb_index(bp, fw_sb_id, C_SB_ETH_TX_CQ_INDEX,
				    false, tx_usec);
}
D
Dmitry Kravkov 已提交
4130

4131 4132 4133 4134 4135 4136
static void bnx2x_init_def_sb(struct bnx2x *bp)
{
	struct host_sp_status_block *def_sb = bp->def_status_blk;
	dma_addr_t mapping = bp->def_status_blk_mapping;
	int igu_sp_sb_index;
	int igu_seg_id;
4137 4138
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
4139
	int reg_offset;
E
Eliezer Tamir 已提交
4140
	u64 section;
4141 4142 4143 4144
	int index;
	struct hc_sp_status_block_data sp_sb_data;
	memset(&sp_sb_data, 0, sizeof(struct hc_sp_status_block_data));

D
Dmitry Kravkov 已提交
4145 4146 4147 4148 4149 4150 4151
	if (CHIP_INT_MODE_IS_BC(bp)) {
		igu_sp_sb_index = DEF_SB_IGU_ID;
		igu_seg_id = HC_SEG_ACCESS_DEF;
	} else {
		igu_sp_sb_index = bp->igu_dsb_id;
		igu_seg_id = IGU_SEG_ACCESS_DEF;
	}
E
Eliezer Tamir 已提交
4152 4153

	/* ATTN */
4154
	section = ((u64)mapping) + offsetof(struct host_sp_status_block,
E
Eliezer Tamir 已提交
4155
					    atten_status_block);
4156
	def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
E
Eliezer Tamir 已提交
4157

4158 4159
	bp->attn_state = 0;

E
Eliezer Tamir 已提交
4160 4161
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4162
	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4163 4164 4165 4166 4167
		int sindex;
		/* take care of sig[0]..sig[4] */
		for (sindex = 0; sindex < 4; sindex++)
			bp->attn_group[index].sig[sindex] =
			   REG_RD(bp, reg_offset + sindex*0x4 + 0x10*index);
D
Dmitry Kravkov 已提交
4168 4169 4170 4171 4172 4173 4174 4175 4176 4177 4178

		if (CHIP_IS_E2(bp))
			/*
			 * enable5 is separate from the rest of the registers,
			 * and therefore the address skip is 4
			 * and not 16 between the different groups
			 */
			bp->attn_group[index].sig[4] = REG_RD(bp,
					reg_offset + 0x10 + 0x4*index);
		else
			bp->attn_group[index].sig[4] = 0;
E
Eliezer Tamir 已提交
4179 4180
	}

D
Dmitry Kravkov 已提交
4181 4182 4183 4184 4185 4186 4187 4188 4189 4190
	if (bp->common.int_block == INT_BLOCK_HC) {
		reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L :
				     HC_REG_ATTN_MSG0_ADDR_L);

		REG_WR(bp, reg_offset, U64_LO(section));
		REG_WR(bp, reg_offset + 4, U64_HI(section));
	} else if (CHIP_IS_E2(bp)) {
		REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_L, U64_LO(section));
		REG_WR(bp, IGU_REG_ATTN_MSG_ADDR_H, U64_HI(section));
	}
E
Eliezer Tamir 已提交
4191

4192 4193
	section = ((u64)mapping) + offsetof(struct host_sp_status_block,
					    sp_sb);
E
Eliezer Tamir 已提交
4194

4195
	bnx2x_zero_sp_sb(bp);
E
Eliezer Tamir 已提交
4196

4197 4198 4199 4200 4201
	sp_sb_data.host_sb_addr.lo	= U64_LO(section);
	sp_sb_data.host_sb_addr.hi	= U64_HI(section);
	sp_sb_data.igu_sb_id		= igu_sp_sb_index;
	sp_sb_data.igu_seg_id		= igu_seg_id;
	sp_sb_data.p_func.pf_id		= func;
D
Dmitry Kravkov 已提交
4202
	sp_sb_data.p_func.vnic_id	= BP_VN(bp);
4203
	sp_sb_data.p_func.vf_id		= 0xff;
E
Eliezer Tamir 已提交
4204

4205
	bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4206

Y
Yitchak Gertner 已提交
4207
	bp->stats_pending = 0;
Y
Yitchak Gertner 已提交
4208
	bp->set_mac_pending = 0;
Y
Yitchak Gertner 已提交
4209

4210
	bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
4211 4212
}

D
Dmitry Kravkov 已提交
4213
void bnx2x_update_coalesce(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4214 4215 4216
{
	int i;

V
Vladislav Zolotarov 已提交
4217
	for_each_eth_queue(bp, i)
4218
		bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
4219
					 bp->tx_ticks, bp->rx_ticks);
E
Eliezer Tamir 已提交
4220 4221 4222 4223 4224
}

static void bnx2x_init_sp_ring(struct bnx2x *bp)
{
	spin_lock_init(&bp->spq_lock);
4225
	atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
E
Eliezer Tamir 已提交
4226 4227 4228 4229 4230 4231 4232

	bp->spq_prod_idx = 0;
	bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX;
	bp->spq_prod_bd = bp->spq;
	bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT;
}

4233
static void bnx2x_init_eq_ring(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4234 4235
{
	int i;
4236 4237 4238
	for (i = 1; i <= NUM_EQ_PAGES; i++) {
		union event_ring_elem *elem =
			&bp->eq_ring[EQ_DESC_CNT_PAGE * i - 1];
E
Eliezer Tamir 已提交
4239

4240 4241 4242 4243 4244 4245
		elem->next_page.addr.hi =
			cpu_to_le32(U64_HI(bp->eq_mapping +
				   BCM_PAGE_SIZE * (i % NUM_EQ_PAGES)));
		elem->next_page.addr.lo =
			cpu_to_le32(U64_LO(bp->eq_mapping +
				   BCM_PAGE_SIZE*(i % NUM_EQ_PAGES)));
E
Eliezer Tamir 已提交
4246
	}
4247 4248 4249
	bp->eq_cons = 0;
	bp->eq_prod = NUM_EQ_DESC;
	bp->eq_cons_sb = BNX2X_EQ_INDEX;
4250 4251 4252
	/* we want a warning message before it gets rought... */
	atomic_set(&bp->eq_spq_left,
		min_t(int, MAX_SP_DESC_CNT - MAX_SPQ_PENDING, NUM_EQ_DESC) - 1);
E
Eliezer Tamir 已提交
4253 4254
}

4255
void bnx2x_push_indir_table(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4256
{
4257
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4258 4259
	int i;

E
Eilon Greenstein 已提交
4260
	if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
E
Eliezer Tamir 已提交
4261 4262 4263
		return;

	for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4264
		REG_WR8(bp, BAR_TSTRORM_INTMEM +
4265
			TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276
			bp->fp->cl_id + bp->rx_indir_table[i]);
}

static void bnx2x_init_ind_table(struct bnx2x *bp)
{
	int i;

	for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
		bp->rx_indir_table[i] = i % BNX2X_NUM_ETH_QUEUES(bp);

	bnx2x_push_indir_table(bp);
E
Eliezer Tamir 已提交
4277 4278
}

D
Dmitry Kravkov 已提交
4279
void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4280
{
4281
	int mode = bp->rx_mode;
V
Vladislav Zolotarov 已提交
4282
	int port = BP_PORT(bp);
4283
	u16 cl_id;
V
Vladislav Zolotarov 已提交
4284
	u32 def_q_filters = 0;
4285

4286 4287 4288 4289 4290 4291
	/* All but management unicast packets should pass to the host as well */
	u32 llh_mask =
		NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_BRCST |
		NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_MLCST |
		NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_VLAN |
		NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_NO_VLAN;
E
Eliezer Tamir 已提交
4292 4293 4294

	switch (mode) {
	case BNX2X_RX_MODE_NONE: /* no Rx */
V
Vladislav Zolotarov 已提交
4295 4296 4297 4298 4299 4300 4301
		def_q_filters = BNX2X_ACCEPT_NONE;
#ifdef BCM_CNIC
		if (!NO_FCOE(bp)) {
			cl_id = bnx2x_fcoe(bp, cl_id);
			bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
		}
#endif
E
Eliezer Tamir 已提交
4302
		break;
E
Eilon Greenstein 已提交
4303

E
Eliezer Tamir 已提交
4304
	case BNX2X_RX_MODE_NORMAL:
V
Vladislav Zolotarov 已提交
4305 4306 4307
		def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
				BNX2X_ACCEPT_MULTICAST;
#ifdef BCM_CNIC
4308 4309 4310 4311 4312 4313
		if (!NO_FCOE(bp)) {
			cl_id = bnx2x_fcoe(bp, cl_id);
			bnx2x_rxq_set_mac_filters(bp, cl_id,
						  BNX2X_ACCEPT_UNICAST |
						  BNX2X_ACCEPT_MULTICAST);
		}
V
Vladislav Zolotarov 已提交
4314
#endif
E
Eliezer Tamir 已提交
4315
		break;
E
Eilon Greenstein 已提交
4316

E
Eliezer Tamir 已提交
4317
	case BNX2X_RX_MODE_ALLMULTI:
V
Vladislav Zolotarov 已提交
4318 4319 4320
		def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
				BNX2X_ACCEPT_ALL_MULTICAST;
#ifdef BCM_CNIC
4321 4322 4323 4324 4325 4326 4327 4328 4329
		/*
		 *  Prevent duplication of multicast packets by configuring FCoE
		 *  L2 Client to receive only matched unicast frames.
		 */
		if (!NO_FCOE(bp)) {
			cl_id = bnx2x_fcoe(bp, cl_id);
			bnx2x_rxq_set_mac_filters(bp, cl_id,
						  BNX2X_ACCEPT_UNICAST);
		}
V
Vladislav Zolotarov 已提交
4330
#endif
E
Eliezer Tamir 已提交
4331
		break;
E
Eilon Greenstein 已提交
4332

E
Eliezer Tamir 已提交
4333
	case BNX2X_RX_MODE_PROMISC:
V
Vladislav Zolotarov 已提交
4334 4335
		def_q_filters |= BNX2X_PROMISCUOUS_MODE;
#ifdef BCM_CNIC
4336 4337 4338 4339 4340 4341 4342 4343
		/*
		 *  Prevent packets duplication by configuring DROP_ALL for FCoE
		 *  L2 Client.
		 */
		if (!NO_FCOE(bp)) {
			cl_id = bnx2x_fcoe(bp, cl_id);
			bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
		}
V
Vladislav Zolotarov 已提交
4344
#endif
4345 4346
		/* pass management unicast packets as well */
		llh_mask |= NIG_LLH0_BRB1_DRV_MASK_REG_LLH0_BRB1_DRV_MASK_UNCST;
E
Eliezer Tamir 已提交
4347
		break;
E
Eilon Greenstein 已提交
4348

E
Eliezer Tamir 已提交
4349
	default:
4350 4351
		BNX2X_ERR("BAD rx mode (%d)\n", mode);
		break;
E
Eliezer Tamir 已提交
4352 4353
	}

V
Vladislav Zolotarov 已提交
4354 4355 4356
	cl_id = BP_L_ID(bp);
	bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);

4357
	REG_WR(bp,
V
Vladislav Zolotarov 已提交
4358 4359
	       (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
		       NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
4360

4361 4362
	DP(NETIF_MSG_IFUP, "rx mode %d\n"
		"drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
V
Vladislav Zolotarov 已提交
4363 4364
		"accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
		"unmatched_ucast 0x%x\n", mode,
4365 4366 4367 4368 4369
		bp->mac_filters.ucast_drop_all,
		bp->mac_filters.mcast_drop_all,
		bp->mac_filters.bcast_drop_all,
		bp->mac_filters.ucast_accept_all,
		bp->mac_filters.mcast_accept_all,
V
Vladislav Zolotarov 已提交
4370 4371
		bp->mac_filters.bcast_accept_all,
		bp->mac_filters.unmatched_unicast
4372
	);
E
Eliezer Tamir 已提交
4373

4374
	storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
E
Eliezer Tamir 已提交
4375 4376
}

4377 4378 4379 4380
static void bnx2x_init_internal_common(struct bnx2x *bp)
{
	int i;

4381
	if (!CHIP_IS_E1(bp)) {
E
Eilon Greenstein 已提交
4382

4383 4384
		/* xstorm needs to know whether to add  ovlan to packets or not,
		 * in switch-independent we'll write 0 to here... */
4385
		REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4386
			bp->mf_mode);
4387
		REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4388
			bp->mf_mode);
4389
		REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4390
			bp->mf_mode);
4391
		REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4392
			bp->mf_mode);
4393 4394
	}

4395 4396 4397 4398 4399 4400 4401 4402 4403
	if (IS_MF_SI(bp))
		/*
		 * In switch independent mode, the TSTORM needs to accept
		 * packets that failed classification, since approximate match
		 * mac addresses aren't written to NIG LLH
		 */
		REG_WR8(bp, BAR_TSTRORM_INTMEM +
			    TSTORM_ACCEPT_CLASSIFY_FAILED_OFFSET, 2);

4404 4405 4406
	/* Zero this manually as its initialization is
	   currently missing in the initTool */
	for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++)
E
Eilon Greenstein 已提交
4407
		REG_WR(bp, BAR_USTRORM_INTMEM +
4408
		       USTORM_AGG_DATA_OFFSET + i * 4, 0);
D
Dmitry Kravkov 已提交
4409 4410 4411 4412 4413
	if (CHIP_IS_E2(bp)) {
		REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_IGU_MODE_OFFSET,
			CHIP_INT_MODE_IS_BC(bp) ?
			HC_IGU_BC_MODE : HC_IGU_NBC_MODE);
	}
4414
}
E
Eilon Greenstein 已提交
4415

4416 4417 4418
static void bnx2x_init_internal_port(struct bnx2x *bp)
{
	/* port */
V
Vladislav Zolotarov 已提交
4419
	bnx2x_dcb_init_intmem_pfc(bp);
E
Eliezer Tamir 已提交
4420 4421
}

4422 4423 4424 4425
static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code)
{
	switch (load_code) {
	case FW_MSG_CODE_DRV_LOAD_COMMON:
D
Dmitry Kravkov 已提交
4426
	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
4427 4428 4429 4430 4431 4432 4433 4434
		bnx2x_init_internal_common(bp);
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_PORT:
		bnx2x_init_internal_port(bp);
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
4435 4436
		/* internal memory per function is
		   initialized inside bnx2x_pf_init */
4437 4438 4439 4440 4441 4442 4443 4444
		break;

	default:
		BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
		break;
	}
}

4445 4446 4447 4448 4449 4450
static void bnx2x_init_fp_sb(struct bnx2x *bp, int fp_idx)
{
	struct bnx2x_fastpath *fp = &bp->fp[fp_idx];

	fp->state = BNX2X_FP_STATE_CLOSED;

4451
	fp->cid = fp_idx;
4452 4453 4454 4455 4456
	fp->cl_id = BP_L_ID(bp) + fp_idx;
	fp->fw_sb_id = bp->base_fw_ndsb + fp->cl_id + CNIC_CONTEXT_USE;
	fp->igu_sb_id = bp->igu_base_sb + fp_idx + CNIC_CONTEXT_USE;
	/* qZone id equals to FW (per path) client id */
	fp->cl_qzone_id  = fp->cl_id +
D
Dmitry Kravkov 已提交
4457 4458
			   BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
				ETH_MAX_RX_CLIENTS_E1H);
4459
	/* init shortcut */
D
Dmitry Kravkov 已提交
4460 4461
	fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
			    USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473 4474 4475 4476
			    USTORM_RX_PRODS_E1X_OFFSET(BP_PORT(bp), fp->cl_id);
	/* Setup SB indicies */
	fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
	fp->tx_cons_sb = BNX2X_TX_SB_INDEX;

	DP(NETIF_MSG_IFUP, "queue[%d]:  bnx2x_init_sb(%p,%p)  "
				   "cl_id %d  fw_sb %d  igu_sb %d\n",
		   fp_idx, bp, fp->status_blk.e1x_sb, fp->cl_id, fp->fw_sb_id,
		   fp->igu_sb_id);
	bnx2x_init_sb(bp, fp->status_blk_mapping, BNX2X_VF_ID_INVALID, false,
		      fp->fw_sb_id, fp->igu_sb_id);

	bnx2x_update_fpsb_idx(fp);
}

D
Dmitry Kravkov 已提交
4477
void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
E
Eliezer Tamir 已提交
4478 4479 4480
{
	int i;

V
Vladislav Zolotarov 已提交
4481
	for_each_eth_queue(bp, i)
4482
		bnx2x_init_fp_sb(bp, i);
4483
#ifdef BCM_CNIC
V
Vladislav Zolotarov 已提交
4484 4485
	if (!NO_FCOE(bp))
		bnx2x_init_fcoe_fp(bp);
4486 4487 4488 4489 4490

	bnx2x_init_sb(bp, bp->cnic_sb_mapping,
		      BNX2X_VF_ID_INVALID, false,
		      CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));

4491
#endif
E
Eliezer Tamir 已提交
4492

4493 4494 4495
	/* ensure status block indices were read */
	rmb();

4496
	bnx2x_init_def_sb(bp);
4497
	bnx2x_update_dsb_idx(bp);
E
Eliezer Tamir 已提交
4498
	bnx2x_init_rx_rings(bp);
4499
	bnx2x_init_tx_rings(bp);
E
Eliezer Tamir 已提交
4500
	bnx2x_init_sp_ring(bp);
4501
	bnx2x_init_eq_ring(bp);
4502
	bnx2x_init_internal(bp, load_code);
4503
	bnx2x_pf_init(bp);
E
Eliezer Tamir 已提交
4504
	bnx2x_init_ind_table(bp);
4505 4506 4507 4508 4509 4510 4511 4512 4513
	bnx2x_stats_init(bp);

	/* At this point, we are ready for interrupts */
	atomic_set(&bp->intr_sem, 0);

	/* flush all before enabling interrupts */
	mb();
	mmiowb();

E
Eliezer Tamir 已提交
4514
	bnx2x_int_enable(bp);
4515 4516 4517 4518 4519

	/* Check for SPIO5 */
	bnx2x_attn_int_deasserted0(bp,
		REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + BP_PORT(bp)*4) &
				   AEU_INPUTS_ATTN_BITS_SPIO5);
E
Eliezer Tamir 已提交
4520 4521 4522 4523 4524 4525 4526 4527 4528 4529
}

/* end of nic init */

/*
 * gzip service functions
 */

static int bnx2x_gunzip_init(struct bnx2x *bp)
{
4530 4531
	bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
					    &bp->gunzip_mapping, GFP_KERNEL);
E
Eliezer Tamir 已提交
4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549 4550
	if (bp->gunzip_buf  == NULL)
		goto gunzip_nomem1;

	bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL);
	if (bp->strm  == NULL)
		goto gunzip_nomem2;

	bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(),
				      GFP_KERNEL);
	if (bp->strm->workspace == NULL)
		goto gunzip_nomem3;

	return 0;

gunzip_nomem3:
	kfree(bp->strm);
	bp->strm = NULL;

gunzip_nomem2:
4551 4552
	dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
			  bp->gunzip_mapping);
E
Eliezer Tamir 已提交
4553 4554 4555
	bp->gunzip_buf = NULL;

gunzip_nomem1:
V
Vladislav Zolotarov 已提交
4556 4557
	netdev_err(bp->dev, "Cannot allocate firmware buffer for"
	       " un-compression\n");
E
Eliezer Tamir 已提交
4558 4559 4560 4561 4562
	return -ENOMEM;
}

static void bnx2x_gunzip_end(struct bnx2x *bp)
{
4563 4564 4565 4566 4567
	if (bp->strm) {
		kfree(bp->strm->workspace);
		kfree(bp->strm);
		bp->strm = NULL;
	}
E
Eliezer Tamir 已提交
4568 4569

	if (bp->gunzip_buf) {
4570 4571
		dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
				  bp->gunzip_mapping);
E
Eliezer Tamir 已提交
4572 4573 4574 4575
		bp->gunzip_buf = NULL;
	}
}

4576
static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
E
Eliezer Tamir 已提交
4577 4578 4579 4580
{
	int n, rc;

	/* check gzip header */
4581 4582
	if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
		BNX2X_ERR("Bad gzip header\n");
E
Eliezer Tamir 已提交
4583
		return -EINVAL;
4584
	}
E
Eliezer Tamir 已提交
4585 4586 4587

	n = 10;

4588
#define FNAME				0x8
E
Eliezer Tamir 已提交
4589 4590 4591 4592

	if (zbuf[3] & FNAME)
		while ((zbuf[n++] != 0) && (n < len));

4593
	bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
E
Eliezer Tamir 已提交
4594 4595 4596 4597 4598 4599 4600 4601 4602 4603
	bp->strm->avail_in = len - n;
	bp->strm->next_out = bp->gunzip_buf;
	bp->strm->avail_out = FW_BUF_SIZE;

	rc = zlib_inflateInit2(bp->strm, -MAX_WBITS);
	if (rc != Z_OK)
		return rc;

	rc = zlib_inflate(bp->strm, Z_FINISH);
	if ((rc != Z_OK) && (rc != Z_STREAM_END))
4604 4605
		netdev_err(bp->dev, "Firmware decompression error: %s\n",
			   bp->strm->msg);
E
Eliezer Tamir 已提交
4606 4607 4608

	bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
	if (bp->gunzip_outlen & 0x3)
V
Vladislav Zolotarov 已提交
4609 4610 4611
		netdev_err(bp->dev, "Firmware decompression error:"
				    " gunzip_outlen (%d) not aligned\n",
				bp->gunzip_outlen);
E
Eliezer Tamir 已提交
4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623 4624
	bp->gunzip_outlen >>= 2;

	zlib_inflateEnd(bp->strm);

	if (rc == Z_STREAM_END)
		return 0;

	return rc;
}

/* nic load/unload */

/*
4625
 * General service functions
E
Eliezer Tamir 已提交
4626 4627 4628 4629 4630 4631 4632 4633 4634 4635
 */

/* send a NIG loopback debug packet */
static void bnx2x_lb_pckt(struct bnx2x *bp)
{
	u32 wb_write[3];

	/* Ethernet source and destination addresses */
	wb_write[0] = 0x55555555;
	wb_write[1] = 0x55555555;
4636
	wb_write[2] = 0x20;		/* SOP */
E
Eliezer Tamir 已提交
4637 4638 4639 4640 4641
	REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);

	/* NON-IP protocol */
	wb_write[0] = 0x09000000;
	wb_write[1] = 0x55555555;
4642
	wb_write[2] = 0x10;		/* EOP, eop_bvalid = 0 */
E
Eliezer Tamir 已提交
4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654 4655
	REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);
}

/* some of the internal memories
 * are not directly readable from the driver
 * to test them we send debug packets
 */
static int bnx2x_int_mem_test(struct bnx2x *bp)
{
	int factor;
	int count, i;
	u32 val = 0;

4656
	if (CHIP_REV_IS_FPGA(bp))
E
Eliezer Tamir 已提交
4657
		factor = 120;
4658 4659 4660
	else if (CHIP_REV_IS_EMUL(bp))
		factor = 200;
	else
E
Eliezer Tamir 已提交
4661 4662 4663 4664 4665 4666
		factor = 1;

	/* Disable inputs of parser neighbor blocks */
	REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
	REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
	REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4667
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4668 4669 4670 4671 4672 4673 4674 4675 4676 4677 4678

	/*  Write 0 to parser credits for CFC search request */
	REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);

	/* send Ethernet packet */
	bnx2x_lb_pckt(bp);

	/* TODO do i reset NIG statistic? */
	/* Wait until NIG register shows 1 packet of size 0x10 */
	count = 1000 * factor;
	while (count) {
4679

E
Eliezer Tamir 已提交
4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704 4705 4706 4707 4708
		bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
		val = *bnx2x_sp(bp, wb_data[0]);
		if (val == 0x10)
			break;

		msleep(10);
		count--;
	}
	if (val != 0x10) {
		BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
		return -1;
	}

	/* Wait until PRS register shows 1 packet */
	count = 1000 * factor;
	while (count) {
		val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
		if (val == 1)
			break;

		msleep(10);
		count--;
	}
	if (val != 0x1) {
		BNX2X_ERR("PRS timeout val = 0x%x\n", val);
		return -2;
	}

	/* Reset and init BRB, PRS */
4709
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
E
Eliezer Tamir 已提交
4710
	msleep(50);
4711
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
E
Eliezer Tamir 已提交
4712
	msleep(50);
4713 4714
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
4715 4716 4717 4718 4719 4720 4721

	DP(NETIF_MSG_HW, "part2\n");

	/* Disable inputs of parser neighbor blocks */
	REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0);
	REG_WR(bp, TCM_REG_PRS_IFEN, 0x0);
	REG_WR(bp, CFC_REG_DEBUG0, 0x1);
4722
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734

	/* Write 0 to parser credits for CFC search request */
	REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0);

	/* send 10 Ethernet packets */
	for (i = 0; i < 10; i++)
		bnx2x_lb_pckt(bp);

	/* Wait until NIG register shows 10 + 1
	   packets of size 11*0x10 = 0xb0 */
	count = 1000 * factor;
	while (count) {
4735

E
Eliezer Tamir 已提交
4736 4737 4738 4739 4740 4741 4742 4743 4744 4745 4746 4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777
		bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
		val = *bnx2x_sp(bp, wb_data[0]);
		if (val == 0xb0)
			break;

		msleep(10);
		count--;
	}
	if (val != 0xb0) {
		BNX2X_ERR("NIG timeout  val = 0x%x\n", val);
		return -3;
	}

	/* Wait until PRS register shows 2 packets */
	val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
	if (val != 2)
		BNX2X_ERR("PRS timeout  val = 0x%x\n", val);

	/* Write 1 to parser credits for CFC search request */
	REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1);

	/* Wait until PRS register shows 3 packets */
	msleep(10 * factor);
	/* Wait until NIG register shows 1 packet of size 0x10 */
	val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS);
	if (val != 3)
		BNX2X_ERR("PRS timeout  val = 0x%x\n", val);

	/* clear NIG EOP FIFO */
	for (i = 0; i < 11; i++)
		REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO);
	val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY);
	if (val != 1) {
		BNX2X_ERR("clear of NIG failed\n");
		return -4;
	}

	/* Reset and init BRB, PRS, NIG */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
	msleep(50);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
	msleep(50);
4778 4779
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
4780
#ifndef BCM_CNIC
E
Eliezer Tamir 已提交
4781 4782 4783 4784 4785 4786 4787 4788
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
#endif

	/* Enable inputs of parser neighbor blocks */
	REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff);
	REG_WR(bp, TCM_REG_PRS_IFEN, 0x1);
	REG_WR(bp, CFC_REG_DEBUG0, 0x0);
4789
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
E
Eliezer Tamir 已提交
4790 4791 4792 4793 4794 4795

	DP(NETIF_MSG_HW, "done\n");

	return 0; /* OK */
}

4796
static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4797 4798
{
	REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
D
Dmitry Kravkov 已提交
4799 4800 4801 4802
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0x40);
	else
		REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0);
E
Eliezer Tamir 已提交
4803 4804
	REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
	REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
D
Dmitry Kravkov 已提交
4805 4806 4807 4808 4809 4810 4811
	/*
	 * mask read length error interrupts in brb for parser
	 * (parsing unit and 'checksum and crc' unit)
	 * these errors are legal (PU reads fixed length and CAC can cause
	 * read length error on truncated packets)
	 */
	REG_WR(bp, BRB1_REG_BRB1_INT_MASK, 0xFC00);
E
Eliezer Tamir 已提交
4812 4813 4814 4815 4816
	REG_WR(bp, QM_REG_QM_INT_MASK, 0);
	REG_WR(bp, TM_REG_TM_INT_MASK, 0);
	REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0);
	REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0);
	REG_WR(bp, XCM_REG_XCM_INT_MASK, 0);
4817 4818
/*	REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */
/*	REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */
E
Eliezer Tamir 已提交
4819 4820 4821
	REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0);
	REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0);
	REG_WR(bp, UCM_REG_UCM_INT_MASK, 0);
4822 4823
/*	REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */
/*	REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */
E
Eliezer Tamir 已提交
4824 4825 4826 4827
	REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0);
	REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0);
	REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0);
	REG_WR(bp, CCM_REG_CCM_INT_MASK, 0);
4828 4829
/*	REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
/*	REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
D
Dmitry Kravkov 已提交
4830

4831 4832
	if (CHIP_REV_IS_FPGA(bp))
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
D
Dmitry Kravkov 已提交
4833 4834 4835 4836 4837 4838 4839
	else if (CHIP_IS_E2(bp))
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0,
			   (PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_OF
				| PXP2_PXP2_INT_MASK_0_REG_PGL_CPL_AFT
				| PXP2_PXP2_INT_MASK_0_REG_PGL_PCIE_ATTN
				| PXP2_PXP2_INT_MASK_0_REG_PGL_READ_BLOCKED
				| PXP2_PXP2_INT_MASK_0_REG_PGL_WRITE_BLOCKED));
4840 4841
	else
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
E
Eliezer Tamir 已提交
4842 4843 4844
	REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0);
	REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0);
	REG_WR(bp, TCM_REG_TCM_INT_MASK, 0);
4845 4846
/*	REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */
/*	REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */
E
Eliezer Tamir 已提交
4847 4848
	REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
	REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
4849
/*	REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
4850
	REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18);		/* bit 3,4 masked */
E
Eliezer Tamir 已提交
4851 4852
}

E
Eilon Greenstein 已提交
4853 4854 4855 4856 4857 4858 4859 4860
static void bnx2x_reset_common(struct bnx2x *bp)
{
	/* reset_common */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
	       0xd3ffff7f);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403);
}

4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878
static void bnx2x_init_pxp(struct bnx2x *bp)
{
	u16 devctl;
	int r_order, w_order;

	pci_read_config_word(bp->pdev,
			     bp->pcie_cap + PCI_EXP_DEVCTL, &devctl);
	DP(NETIF_MSG_HW, "read 0x%x from devctl\n", devctl);
	w_order = ((devctl & PCI_EXP_DEVCTL_PAYLOAD) >> 5);
	if (bp->mrrs == -1)
		r_order = ((devctl & PCI_EXP_DEVCTL_READRQ) >> 12);
	else {
		DP(NETIF_MSG_HW, "force read order to %d\n", bp->mrrs);
		r_order = bp->mrrs;
	}

	bnx2x_init_pxp_arb(bp, r_order, w_order);
}
E
Eilon Greenstein 已提交
4879 4880 4881

static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
{
4882
	int is_required;
E
Eilon Greenstein 已提交
4883
	u32 val;
4884
	int port;
E
Eilon Greenstein 已提交
4885

4886 4887 4888 4889
	if (BP_NOMCP(bp))
		return;

	is_required = 0;
E
Eilon Greenstein 已提交
4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902 4903
	val = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
	      SHARED_HW_CFG_FAN_FAILURE_MASK;

	if (val == SHARED_HW_CFG_FAN_FAILURE_ENABLED)
		is_required = 1;

	/*
	 * The fan failure mechanism is usually related to the PHY type since
	 * the power consumption of the board is affected by the PHY. Currently,
	 * fan is required for most designs with SFX7101, BCM8727 and BCM8481.
	 */
	else if (val == SHARED_HW_CFG_FAN_FAILURE_PHY_TYPE)
		for (port = PORT_0; port < PORT_MAX; port++) {
			is_required |=
4904 4905 4906
				bnx2x_fan_failure_det_req(
					bp,
					bp->common.shmem_base,
Y
Yaniv Rosner 已提交
4907
					bp->common.shmem2_base,
4908
					port);
E
Eilon Greenstein 已提交
4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921 4922
		}

	DP(NETIF_MSG_HW, "fan detection setting: %d\n", is_required);

	if (is_required == 0)
		return;

	/* Fan failure is indicated by SPIO 5 */
	bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5,
		       MISC_REGISTERS_SPIO_INPUT_HI_Z);

	/* set to active low mode */
	val = REG_RD(bp, MISC_REG_SPIO_INT);
	val |= ((1 << MISC_REGISTERS_SPIO_5) <<
V
Vladislav Zolotarov 已提交
4923
					MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
E
Eilon Greenstein 已提交
4924 4925 4926 4927 4928 4929 4930 4931
	REG_WR(bp, MISC_REG_SPIO_INT, val);

	/* enable interrupt to signal the IGU */
	val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN);
	val |= (1 << MISC_REGISTERS_SPIO_5);
	REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
}

D
Dmitry Kravkov 已提交
4932 4933 4934 4935 4936 4937 4938 4939 4940 4941 4942 4943 4944 4945 4946 4947 4948 4949 4950 4951 4952 4953 4954 4955 4956 4957 4958 4959 4960 4961 4962 4963 4964 4965 4966 4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982 4983 4984
static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
{
	u32 offset = 0;

	if (CHIP_IS_E1(bp))
		return;
	if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
		return;

	switch (BP_ABS_FUNC(bp)) {
	case 0:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
		break;
	case 1:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
		break;
	case 2:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
		break;
	case 3:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
		break;
	case 4:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
		break;
	case 5:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
		break;
	case 6:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
		break;
	case 7:
		offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
		break;
	default:
		return;
	}

	REG_WR(bp, offset, pretend_func_num);
	REG_RD(bp, offset);
	DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
}

static void bnx2x_pf_disable(struct bnx2x *bp)
{
	u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
	val &= ~IGU_PF_CONF_FUNC_EN;

	REG_WR(bp, IGU_REG_PF_CONFIGURATION, val);
	REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 0);
	REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 0);
}

4985
static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
E
Eliezer Tamir 已提交
4986 4987 4988
{
	u32 val, i;

D
Dmitry Kravkov 已提交
4989
	DP(BNX2X_MSG_MCP, "starting common init  func %d\n", BP_ABS_FUNC(bp));
E
Eliezer Tamir 已提交
4990

E
Eilon Greenstein 已提交
4991
	bnx2x_reset_common(bp);
4992 4993
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc);
E
Eliezer Tamir 已提交
4994

4995
	bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
4996
	if (!CHIP_IS_E1(bp))
D
Dmitry Kravkov 已提交
4997
		REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
E
Eliezer Tamir 已提交
4998

D
Dmitry Kravkov 已提交
4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020 5021 5022
	if (CHIP_IS_E2(bp)) {
		u8 fid;

		/**
		 * 4-port mode or 2-port mode we need to turn of master-enable
		 * for everyone, after that, turn it back on for self.
		 * so, we disregard multi-function or not, and always disable
		 * for all functions on the given path, this means 0,2,4,6 for
		 * path 0 and 1,3,5,7 for path 1
		 */
		for (fid = BP_PATH(bp); fid  < E2_FUNC_MAX*2; fid += 2) {
			if (fid == BP_ABS_FUNC(bp)) {
				REG_WR(bp,
				    PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER,
				    1);
				continue;
			}

			bnx2x_pretend_func(bp, fid);
			/* clear pf enable */
			bnx2x_pf_disable(bp);
			bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
		}
	}
E
Eliezer Tamir 已提交
5023

5024
	bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
5025 5026 5027 5028 5029
	if (CHIP_IS_E1(bp)) {
		/* enable HW interrupt from PXP on USDM overflow
		   bit 16 on INT_MASK_0 */
		REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
	}
E
Eliezer Tamir 已提交
5030

5031
	bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
5032
	bnx2x_init_pxp(bp);
E
Eliezer Tamir 已提交
5033 5034

#ifdef __BIG_ENDIAN
5035 5036 5037 5038 5039
	REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1);
	REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1);
E
Eilon Greenstein 已提交
5040 5041
	/* make sure this value is 0 */
	REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
5042 5043 5044 5045 5046 5047

/*	REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */
	REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1);
	REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1);
	REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1);
	REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1);
E
Eliezer Tamir 已提交
5048 5049
#endif

5050 5051
	bnx2x_ilt_init_page_size(bp, INITOP_SET);

5052 5053
	if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp))
		REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1);
E
Eliezer Tamir 已提交
5054

5055 5056 5057 5058 5059 5060 5061 5062 5063 5064 5065 5066 5067
	/* let the HW do it's magic ... */
	msleep(100);
	/* finish PXP init */
	val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE);
	if (val != 1) {
		BNX2X_ERR("PXP2 CFG failed\n");
		return -EBUSY;
	}
	val = REG_RD(bp, PXP2_REG_RD_INIT_DONE);
	if (val != 1) {
		BNX2X_ERR("PXP2 RD_INIT failed\n");
		return -EBUSY;
	}
E
Eliezer Tamir 已提交
5068

D
Dmitry Kravkov 已提交
5069 5070 5071 5072 5073 5074 5075 5076 5077 5078 5079
	/* Timers bug workaround E2 only. We need to set the entire ILT to
	 * have entries with value "0" and valid bit on.
	 * This needs to be done by the first PF that is loaded in a path
	 * (i.e. common phase)
	 */
	if (CHIP_IS_E2(bp)) {
		struct ilt_client_info ilt_cli;
		struct bnx2x_ilt ilt;
		memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
		memset(&ilt, 0, sizeof(struct bnx2x_ilt));

5080
		/* initialize dummy TM client */
D
Dmitry Kravkov 已提交
5081 5082 5083 5084 5085 5086 5087
		ilt_cli.start = 0;
		ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
		ilt_cli.client_num = ILT_CLIENT_TM;

		/* Step 1: set zeroes to all ilt page entries with valid bit on
		 * Step 2: set the timers first/last ilt entry to point
		 * to the entire range to prevent ILT range error for 3rd/4th
L
Lucas De Marchi 已提交
5088
		 * vnic	(this code assumes existence of the vnic)
D
Dmitry Kravkov 已提交
5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104 5105
		 *
		 * both steps performed by call to bnx2x_ilt_client_init_op()
		 * with dummy TM client
		 *
		 * we must use pretend since PXP2_REG_RQ_##blk##_FIRST_ILT
		 * and his brother are split registers
		 */
		bnx2x_pretend_func(bp, (BP_PATH(bp) + 6));
		bnx2x_ilt_client_init_op_ilt(bp, &ilt, &ilt_cli, INITOP_CLEAR);
		bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));

		REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN, BNX2X_PXP_DRAM_ALIGN);
		REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_RD, BNX2X_PXP_DRAM_ALIGN);
		REG_WR(bp, PXP2_REG_RQ_DRAM_ALIGN_SEL, 1);
	}


5106 5107
	REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
	REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
E
Eliezer Tamir 已提交
5108

D
Dmitry Kravkov 已提交
5109 5110 5111 5112 5113 5114 5115 5116 5117 5118 5119 5120 5121 5122 5123 5124 5125 5126 5127
	if (CHIP_IS_E2(bp)) {
		int factor = CHIP_REV_IS_EMUL(bp) ? 1000 :
				(CHIP_REV_IS_FPGA(bp) ? 400 : 0);
		bnx2x_init_block(bp, PGLUE_B_BLOCK, COMMON_STAGE);

		bnx2x_init_block(bp, ATC_BLOCK, COMMON_STAGE);

		/* let the HW do it's magic ... */
		do {
			msleep(200);
			val = REG_RD(bp, ATC_REG_ATC_INIT_DONE);
		} while (factor-- && (val != 1));

		if (val != 1) {
			BNX2X_ERR("ATC_INIT failed\n");
			return -EBUSY;
		}
	}

5128
	bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5129

5130 5131 5132
	/* clean the DMAE memory */
	bp->dmae_ready = 1;
	bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
E
Eliezer Tamir 已提交
5133

5134 5135 5136 5137
	bnx2x_init_block(bp, TCM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, UCM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, CCM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, XCM_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5138

5139 5140 5141 5142 5143
	bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3);
	bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3);
	bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3);
	bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3);

5144
	bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
5145

D
Dmitry Kravkov 已提交
5146 5147
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5148

5149 5150 5151
	/* QM queues pointers table */
	bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);

5152 5153 5154
	/* soft reset pulse */
	REG_WR(bp, QM_REG_SOFT_RESET, 1);
	REG_WR(bp, QM_REG_SOFT_RESET, 0);
E
Eliezer Tamir 已提交
5155

5156
#ifdef BCM_CNIC
5157
	bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5158 5159
#endif

5160
	bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
5161 5162
	REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);

5163 5164 5165 5166
	if (!CHIP_REV_IS_SLOW(bp)) {
		/* enable hw interrupt from doorbell Q */
		REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
	}
E
Eliezer Tamir 已提交
5167

5168
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5169 5170 5171 5172 5173
	if (CHIP_MODE_IS_4_PORT(bp)) {
		REG_WR(bp, BRB1_REG_FULL_LB_XOFF_THRESHOLD, 248);
		REG_WR(bp, BRB1_REG_FULL_LB_XON_THRESHOLD, 328);
	}

5174
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
5175
	REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
5176
#ifndef BCM_CNIC
5177 5178
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
5179
#endif
D
Dmitry Kravkov 已提交
5180
	if (!CHIP_IS_E1(bp))
5181
		REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
D
Dmitry Kravkov 已提交
5182

D
Dmitry Kravkov 已提交
5183 5184 5185
	if (CHIP_IS_E2(bp)) {
		/* Bit-map indicating which L2 hdrs may appear after the
		   basic Ethernet header */
5186
		int has_ovlan = IS_MF_SD(bp);
D
Dmitry Kravkov 已提交
5187 5188 5189
		REG_WR(bp, PRS_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
		REG_WR(bp, PRS_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
	}
E
Eliezer Tamir 已提交
5190

5191 5192 5193 5194
	bnx2x_init_block(bp, TSDM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, CSDM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, USDM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, XSDM_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5195

E
Eilon Greenstein 已提交
5196 5197 5198 5199
	bnx2x_init_fill(bp, TSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
	bnx2x_init_fill(bp, USEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
	bnx2x_init_fill(bp, CSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
	bnx2x_init_fill(bp, XSEM_REG_FAST_MEMORY, 0, STORM_INTMEM_SIZE(bp));
E
Eliezer Tamir 已提交
5200

5201 5202 5203 5204
	bnx2x_init_block(bp, TSEM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, USEM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, CSEM_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, XSEM_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5205

D
Dmitry Kravkov 已提交
5206 5207 5208
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);

5209 5210 5211 5212 5213
	/* sync semi rtc */
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
	       0x80000000);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
	       0x80000000);
E
Eliezer Tamir 已提交
5214

5215 5216 5217
	bnx2x_init_block(bp, UPB_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, XPB_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, PBF_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5218

D
Dmitry Kravkov 已提交
5219
	if (CHIP_IS_E2(bp)) {
5220
		int has_ovlan = IS_MF_SD(bp);
D
Dmitry Kravkov 已提交
5221 5222 5223 5224
		REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
		REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
	}

5225
	REG_WR(bp, SRC_REG_SOFT_RST, 1);
5226 5227
	for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
		REG_WR(bp, i, random32());
D
Dmitry Kravkov 已提交
5228

5229
	bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240 5241
#ifdef BCM_CNIC
	REG_WR(bp, SRC_REG_KEYSEARCH_0, 0x63285672);
	REG_WR(bp, SRC_REG_KEYSEARCH_1, 0x24b8f2cc);
	REG_WR(bp, SRC_REG_KEYSEARCH_2, 0x223aef9b);
	REG_WR(bp, SRC_REG_KEYSEARCH_3, 0x26001e3a);
	REG_WR(bp, SRC_REG_KEYSEARCH_4, 0x7ae91116);
	REG_WR(bp, SRC_REG_KEYSEARCH_5, 0x5ce5230b);
	REG_WR(bp, SRC_REG_KEYSEARCH_6, 0x298d8adf);
	REG_WR(bp, SRC_REG_KEYSEARCH_7, 0x6eb0ff09);
	REG_WR(bp, SRC_REG_KEYSEARCH_8, 0x1830f82f);
	REG_WR(bp, SRC_REG_KEYSEARCH_9, 0x01e46be7);
#endif
5242
	REG_WR(bp, SRC_REG_SOFT_RST, 0);
E
Eliezer Tamir 已提交
5243

5244 5245
	if (sizeof(union cdu_context) != 1024)
		/* we currently assume that a context is 1024 bytes */
V
Vladislav Zolotarov 已提交
5246 5247
		dev_alert(&bp->pdev->dev, "please adjust the size "
					  "of cdu_context(%ld)\n",
5248
			 (long)sizeof(union cdu_context));
E
Eliezer Tamir 已提交
5249

5250
	bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
5251 5252
	val = (4 << 24) + (0 << 12) + 1024;
	REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
E
Eliezer Tamir 已提交
5253

5254
	bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
5255
	REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
E
Eilon Greenstein 已提交
5256 5257 5258 5259 5260
	/* enable context validation interrupt from CFC */
	REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);

	/* set the thresholds to prevent CFC/CDU race */
	REG_WR(bp, CFC_REG_DEBUG0, 0x20020000);
E
Eliezer Tamir 已提交
5261

5262
	bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5263 5264 5265 5266 5267

	if (CHIP_IS_E2(bp) && BP_NOMCP(bp))
		REG_WR(bp, IGU_REG_RESET_MEMORIES, 0x36);

	bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
5268
	bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5269

5270
	bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
5271 5272 5273
	/* Reset PCIE errors for debug */
	REG_WR(bp, 0x2814, 0xffffffff);
	REG_WR(bp, 0x3820, 0xffffffff);
E
Eliezer Tamir 已提交
5274

D
Dmitry Kravkov 已提交
5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287 5288
	if (CHIP_IS_E2(bp)) {
		REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_CONTROL_5,
			   (PXPCS_TL_CONTROL_5_ERR_UNSPPORT1 |
				PXPCS_TL_CONTROL_5_ERR_UNSPPORT));
		REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC345_STAT,
			   (PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT4 |
				PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT3 |
				PXPCS_TL_FUNC345_STAT_ERR_UNSPPORT2));
		REG_WR(bp, PCICFG_OFFSET + PXPCS_TL_FUNC678_STAT,
			   (PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT7 |
				PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT6 |
				PXPCS_TL_FUNC678_STAT_ERR_UNSPPORT5));
	}

5289 5290 5291 5292
	bnx2x_init_block(bp, EMAC0_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, EMAC1_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, DBU_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, DBG_BLOCK, COMMON_STAGE);
5293

5294
	bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5295
	if (!CHIP_IS_E1(bp)) {
D
Dmitry Kravkov 已提交
5296
		REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
5297
		REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
5298
	}
D
Dmitry Kravkov 已提交
5299 5300 5301
	if (CHIP_IS_E2(bp)) {
		/* Bit-map indicating which L2 hdrs may appear after the
		   basic Ethernet header */
5302
		REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
D
Dmitry Kravkov 已提交
5303
	}
5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323 5324

	if (CHIP_REV_IS_SLOW(bp))
		msleep(200);

	/* finish CFC init */
	val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10);
	if (val != 1) {
		BNX2X_ERR("CFC LL_INIT failed\n");
		return -EBUSY;
	}
	val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10);
	if (val != 1) {
		BNX2X_ERR("CFC AC_INIT failed\n");
		return -EBUSY;
	}
	val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10);
	if (val != 1) {
		BNX2X_ERR("CFC CAM_INIT failed\n");
		return -EBUSY;
	}
	REG_WR(bp, CFC_REG_DEBUG0, 0);
E
Eliezer Tamir 已提交
5325

D
Dmitry Kravkov 已提交
5326 5327 5328 5329 5330
	if (CHIP_IS_E1(bp)) {
		/* read NIG statistic
		   to see if this is our first up since powerup */
		bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2);
		val = *bnx2x_sp(bp, wb_data[0]);
5331

D
Dmitry Kravkov 已提交
5332 5333 5334 5335 5336
		/* do internal memory self test */
		if ((val == 0) && bnx2x_int_mem_test(bp)) {
			BNX2X_ERR("internal mem self test failed\n");
			return -EBUSY;
		}
5337 5338
	}

E
Eilon Greenstein 已提交
5339 5340
	bnx2x_setup_fan_failure_detection(bp);

5341 5342
	/* clear PXP2 attentions */
	REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
E
Eliezer Tamir 已提交
5343

5344 5345 5346
	bnx2x_enable_blocks_attention(bp);
	if (CHIP_PARITY_ENABLED(bp))
		bnx2x_enable_blocks_parity(bp);
E
Eliezer Tamir 已提交
5347

Y
Yaniv Rosner 已提交
5348
	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364 5365
		/* In E2 2-PORT mode, same ext phy is used for the two paths */
		if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON_CHIP) ||
		    CHIP_IS_E1x(bp)) {
			u32 shmem_base[2], shmem2_base[2];
			shmem_base[0] =  bp->common.shmem_base;
			shmem2_base[0] = bp->common.shmem2_base;
			if (CHIP_IS_E2(bp)) {
				shmem_base[1] =
					SHMEM2_RD(bp, other_shmem_base_addr);
				shmem2_base[1] =
					SHMEM2_RD(bp, other_shmem2_base_addr);
			}
			bnx2x_acquire_phy_lock(bp);
			bnx2x_common_init_phy(bp, shmem_base, shmem2_base,
					      bp->common.chip_id);
			bnx2x_release_phy_lock(bp);
		}
Y
Yaniv Rosner 已提交
5366 5367 5368
	} else
		BNX2X_ERR("Bootcode is missing - can not initialize link\n");

5369 5370
	return 0;
}
E
Eliezer Tamir 已提交
5371

5372
static int bnx2x_init_hw_port(struct bnx2x *bp)
5373 5374
{
	int port = BP_PORT(bp);
5375
	int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
5376
	u32 low, high;
5377
	u32 val;
E
Eliezer Tamir 已提交
5378

V
Vladislav Zolotarov 已提交
5379
	DP(BNX2X_MSG_MCP, "starting port init  port %d\n", port);
5380 5381

	REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
E
Eliezer Tamir 已提交
5382

5383 5384
	bnx2x_init_block(bp, PXP_BLOCK, init_stage);
	bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5385

D
Dmitry Kravkov 已提交
5386 5387 5388 5389 5390 5391 5392 5393
	/* Timers bug workaround: disables the pf_master bit in pglue at
	 * common phase, we need to enable it here before any dmae access are
	 * attempted. Therefore we manually added the enable-master to the
	 * port phase (it also happens in the function phase)
	 */
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);

E
Eilon Greenstein 已提交
5394 5395 5396
	bnx2x_init_block(bp, TCM_BLOCK, init_stage);
	bnx2x_init_block(bp, UCM_BLOCK, init_stage);
	bnx2x_init_block(bp, CCM_BLOCK, init_stage);
5397
	bnx2x_init_block(bp, XCM_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5398

5399 5400
	/* QM cid (connection) count */
	bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
E
Eliezer Tamir 已提交
5401

5402
#ifdef BCM_CNIC
5403
	bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
5404 5405
	REG_WR(bp, TM_REG_LIN0_SCAN_TIME + port*4, 20);
	REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + port*4, 31);
E
Eliezer Tamir 已提交
5406
#endif
V
Vladislav Zolotarov 已提交
5407

5408
	bnx2x_init_block(bp, DQ_BLOCK, init_stage);
5409

D
Dmitry Kravkov 已提交
5410 5411 5412 5413 5414 5415 5416 5417 5418 5419 5420 5421 5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, QM_4PORT_BLOCK, init_stage);

	if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) {
		bnx2x_init_block(bp, BRB1_BLOCK, init_stage);
		if (CHIP_REV_IS_SLOW(bp) && CHIP_IS_E1(bp)) {
			/* no pause for emulation and FPGA */
			low = 0;
			high = 513;
		} else {
			if (IS_MF(bp))
				low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246);
			else if (bp->dev->mtu > 4096) {
				if (bp->flags & ONE_PORT_FLAG)
					low = 160;
				else {
					val = bp->dev->mtu;
					/* (24*1024 + val*4)/256 */
					low = 96 + (val/64) +
							((val % 64) ? 1 : 0);
				}
			} else
				low = ((bp->flags & ONE_PORT_FLAG) ? 80 : 160);
			high = low + 56;	/* 14*1024/256 */
		}
		REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0 + port*4, low);
		REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0 + port*4, high);
5437 5438
	}

D
Dmitry Kravkov 已提交
5439 5440 5441 5442 5443 5444
	if (CHIP_MODE_IS_4_PORT(bp)) {
		REG_WR(bp, BRB1_REG_PAUSE_0_XOFF_THRESHOLD_0 + port*8, 248);
		REG_WR(bp, BRB1_REG_PAUSE_0_XON_THRESHOLD_0 + port*8, 328);
		REG_WR(bp, (BP_PORT(bp) ? BRB1_REG_MAC_GUARANTIED_1 :
					  BRB1_REG_MAC_GUARANTIED_0), 40);
	}
5445

5446
	bnx2x_init_block(bp, PRS_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5447

5448 5449 5450 5451
	bnx2x_init_block(bp, TSDM_BLOCK, init_stage);
	bnx2x_init_block(bp, CSDM_BLOCK, init_stage);
	bnx2x_init_block(bp, USDM_BLOCK, init_stage);
	bnx2x_init_block(bp, XSDM_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5452

5453 5454 5455 5456
	bnx2x_init_block(bp, TSEM_BLOCK, init_stage);
	bnx2x_init_block(bp, USEM_BLOCK, init_stage);
	bnx2x_init_block(bp, CSEM_BLOCK, init_stage);
	bnx2x_init_block(bp, XSEM_BLOCK, init_stage);
D
Dmitry Kravkov 已提交
5457 5458
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5459

5460 5461
	bnx2x_init_block(bp, UPB_BLOCK, init_stage);
	bnx2x_init_block(bp, XPB_BLOCK, init_stage);
5462

5463
	bnx2x_init_block(bp, PBF_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5464

D
Dmitry Kravkov 已提交
5465 5466 5467
	if (!CHIP_IS_E2(bp)) {
		/* configure PBF to work without PAUSE mtu 9000 */
		REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0);
E
Eliezer Tamir 已提交
5468

D
Dmitry Kravkov 已提交
5469 5470 5471 5472
		/* update threshold */
		REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16));
		/* update init credit */
		REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22);
E
Eliezer Tamir 已提交
5473

D
Dmitry Kravkov 已提交
5474 5475 5476 5477 5478
		/* probe changes */
		REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1);
		udelay(50);
		REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0);
	}
E
Eliezer Tamir 已提交
5479

5480 5481
#ifdef BCM_CNIC
	bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5482
#endif
5483 5484
	bnx2x_init_block(bp, CDU_BLOCK, init_stage);
	bnx2x_init_block(bp, CFC_BLOCK, init_stage);
5485 5486 5487 5488 5489

	if (CHIP_IS_E1(bp)) {
		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
	}
5490
	bnx2x_init_block(bp, HC_BLOCK, init_stage);
5491

D
Dmitry Kravkov 已提交
5492 5493
	bnx2x_init_block(bp, IGU_BLOCK, init_stage);

5494
	bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
5495 5496 5497 5498
	/* init aeu_mask_attn_func_0/1:
	 *  - SF mode: bits 3-7 are masked. only bits 0-2 are in use
	 *  - MF mode: bit 3 is masked. bits 0-2 are in use as in SF
	 *             bits 4-7 are used for "per vn group attention" */
V
Vladislav Zolotarov 已提交
5499 5500 5501 5502
	val = IS_MF(bp) ? 0xF7 : 0x7;
	/* Enable DCBX attention for all but E1 */
	val |= CHIP_IS_E1(bp) ? 0 : 0x10;
	REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, val);
5503

5504 5505 5506 5507 5508
	bnx2x_init_block(bp, PXPCS_BLOCK, init_stage);
	bnx2x_init_block(bp, EMAC0_BLOCK, init_stage);
	bnx2x_init_block(bp, EMAC1_BLOCK, init_stage);
	bnx2x_init_block(bp, DBU_BLOCK, init_stage);
	bnx2x_init_block(bp, DBG_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5509

5510
	bnx2x_init_block(bp, NIG_BLOCK, init_stage);
5511 5512 5513

	REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1);

D
Dmitry Kravkov 已提交
5514
	if (!CHIP_IS_E1(bp)) {
D
Dmitry Kravkov 已提交
5515
		/* 0x2 disable mf_ov, 0x1 enable */
5516
		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5517
		       (IS_MF_SD(bp) ? 0x1 : 0x2));
5518

D
Dmitry Kravkov 已提交
5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532
		if (CHIP_IS_E2(bp)) {
			val = 0;
			switch (bp->mf_mode) {
			case MULTI_FUNCTION_SD:
				val = 1;
				break;
			case MULTI_FUNCTION_SI:
				val = 2;
				break;
			}

			REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_CLS_TYPE :
						  NIG_REG_LLH0_CLS_TYPE), val);
		}
5533 5534 5535 5536 5537
		{
			REG_WR(bp, NIG_REG_LLFC_ENABLE_0 + port*4, 0);
			REG_WR(bp, NIG_REG_LLFC_OUT_EN_0 + port*4, 0);
			REG_WR(bp, NIG_REG_PAUSE_ENABLE_0 + port*4, 1);
		}
5538 5539
	}

5540 5541
	bnx2x_init_block(bp, MCP_BLOCK, init_stage);
	bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
5542
	if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Y
Yaniv Rosner 已提交
5543
				      bp->common.shmem2_base, port)) {
E
Eilon Greenstein 已提交
5544 5545 5546
		u32 reg_addr = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
				       MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
		val = REG_RD(bp, reg_addr);
E
Eliezer Tamir 已提交
5547
		val |= AEU_INPUTS_ATTN_BITS_SPIO5;
E
Eilon Greenstein 已提交
5548
		REG_WR(bp, reg_addr, val);
E
Eliezer Tamir 已提交
5549
	}
Y
Yaniv Rosner 已提交
5550
	bnx2x__link_reset(bp);
E
Eliezer Tamir 已提交
5551

5552 5553 5554 5555 5556 5557 5558
	return 0;
}

static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
{
	int reg;

D
Dmitry Kravkov 已提交
5559
	if (CHIP_IS_E1(bp))
5560
		reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
D
Dmitry Kravkov 已提交
5561 5562
	else
		reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5563 5564 5565 5566

	bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
}

D
Dmitry Kravkov 已提交
5567 5568 5569 5570 5571 5572 5573 5574 5575 5576 5577 5578
static inline void bnx2x_igu_clear_sb(struct bnx2x *bp, u8 idu_sb_id)
{
	bnx2x_igu_clear_sb_gen(bp, idu_sb_id, true /*PF*/);
}

static inline void bnx2x_clear_func_ilt(struct bnx2x *bp, u32 func)
{
	u32 i, base = FUNC_ILT_BASE(func);
	for (i = base; i < base + ILT_PER_FUNC; i++)
		bnx2x_ilt_wr(bp, i, 0);
}

5579
static int bnx2x_init_hw_func(struct bnx2x *bp)
5580 5581 5582
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
5583 5584
	struct bnx2x_ilt *ilt = BP_ILT(bp);
	u16 cdu_ilt_start;
E
Eilon Greenstein 已提交
5585
	u32 addr, val;
5586 5587
	u32 main_mem_base, main_mem_size, main_mem_prty_clr;
	int i, main_mem_width;
5588

V
Vladislav Zolotarov 已提交
5589
	DP(BNX2X_MSG_MCP, "starting func init  func %d\n", func);
5590

E
Eilon Greenstein 已提交
5591
	/* set MSI reconfigure capability */
D
Dmitry Kravkov 已提交
5592 5593 5594 5595 5596 5597
	if (bp->common.int_block == INT_BLOCK_HC) {
		addr = (port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0);
		val = REG_RD(bp, addr);
		val |= HC_CONFIG_0_REG_MSI_ATTN_EN_0;
		REG_WR(bp, addr, val);
	}
E
Eilon Greenstein 已提交
5598

5599 5600
	ilt = BP_ILT(bp);
	cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
5601

5602 5603 5604 5605 5606 5607 5608
	for (i = 0; i < L2_ILT_LINES(bp); i++) {
		ilt->lines[cdu_ilt_start + i].page =
			bp->context.vcxt + (ILT_PAGE_CIDS * i);
		ilt->lines[cdu_ilt_start + i].page_mapping =
			bp->context.cxt_mapping + (CDU_ILT_PAGE_SZ * i);
		/* cdu ilt pages are allocated manually so there's no need to
		set the size */
5609
	}
5610
	bnx2x_ilt_init_op(bp, INITOP_SET);
D
Dmitry Kravkov 已提交
5611

5612 5613
#ifdef BCM_CNIC
	bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
5614

5615 5616 5617
	/* T1 hash bits value determines the T1 number of entries */
	REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
#endif
5618

5619 5620 5621 5622
#ifndef BCM_CNIC
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
#endif  /* BCM_CNIC */
5623

D
Dmitry Kravkov 已提交
5624 5625 5626 5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648
	if (CHIP_IS_E2(bp)) {
		u32 pf_conf = IGU_PF_CONF_FUNC_EN;

		/* Turn on a single ISR mode in IGU if driver is going to use
		 * INT#x or MSI
		 */
		if (!(bp->flags & USING_MSIX_FLAG))
			pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
		/*
		 * Timers workaround bug: function init part.
		 * Need to wait 20msec after initializing ILT,
		 * needed to make sure there are no requests in
		 * one of the PXP internal queues with "old" ILT addresses
		 */
		msleep(20);
		/*
		 * Master enable - Due to WB DMAE writes performed before this
		 * register is re-initialized as part of the regular function
		 * init
		 */
		REG_WR(bp, PGLUE_B_REG_INTERNAL_PFID_ENABLE_MASTER, 1);
		/* Enable the function in IGU */
		REG_WR(bp, IGU_REG_PF_CONFIGURATION, pf_conf);
	}

5649
	bp->dmae_ready = 1;
5650

5651 5652
	bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);

D
Dmitry Kravkov 已提交
5653 5654 5655
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);

5656 5657 5658 5659 5660 5661 5662 5663 5664 5665
	bnx2x_init_block(bp, MISC_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, TCM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, UCM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, CCM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, XCM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, TSEM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, USEM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, CSEM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, XSEM_BLOCK, FUNC0_STAGE + func);

D
Dmitry Kravkov 已提交
5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678
	if (CHIP_IS_E2(bp)) {
		REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_PATH_ID_OFFSET,
								BP_PATH(bp));
		REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_PATH_ID_OFFSET,
								BP_PATH(bp));
	}

	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, XSEM_4PORT_BLOCK, FUNC0_STAGE + func);

	if (CHIP_IS_E2(bp))
		REG_WR(bp, QM_REG_PF_EN, 1);

5679
	bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
D
Dmitry Kravkov 已提交
5680 5681 5682 5683

	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);

5684 5685 5686 5687 5688 5689 5690 5691 5692 5693 5694
	bnx2x_init_block(bp, TIMERS_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, DQ_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, BRB1_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, PRS_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, TSDM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, CSDM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, USDM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, XSDM_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, UPB_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, XPB_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, PBF_BLOCK, FUNC0_STAGE + func);
D
Dmitry Kravkov 已提交
5695 5696 5697
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PBF_REG_DISABLE_PF, 0);

5698 5699 5700
	bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);

	bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5701

D
Dmitry Kravkov 已提交
5702 5703 5704
	if (CHIP_IS_E2(bp))
		REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);

D
Dmitry Kravkov 已提交
5705
	if (IS_MF(bp)) {
5706
		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
D
Dmitry Kravkov 已提交
5707
		REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
5708 5709
	}

5710 5711
	bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);

5712
	/* HC init per function */
D
Dmitry Kravkov 已提交
5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723 5724
	if (bp->common.int_block == INT_BLOCK_HC) {
		if (CHIP_IS_E1H(bp)) {
			REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);

			REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
			REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
		}
		bnx2x_init_block(bp, HC_BLOCK, FUNC0_STAGE + func);

	} else {
		int num_segs, sb_idx, prod_offset;

5725 5726
		REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);

D
Dmitry Kravkov 已提交
5727 5728 5729 5730 5731 5732 5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773 5774 5775 5776 5777 5778 5779 5780 5781 5782 5783 5784 5785 5786 5787 5788 5789 5790 5791 5792 5793 5794 5795 5796 5797 5798 5799 5800 5801 5802 5803 5804 5805 5806 5807 5808 5809 5810 5811 5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822
		if (CHIP_IS_E2(bp)) {
			REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
			REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
		}

		bnx2x_init_block(bp, IGU_BLOCK, FUNC0_STAGE + func);

		if (CHIP_IS_E2(bp)) {
			int dsb_idx = 0;
			/**
			 * Producer memory:
			 * E2 mode: address 0-135 match to the mapping memory;
			 * 136 - PF0 default prod; 137 - PF1 default prod;
			 * 138 - PF2 default prod; 139 - PF3 default prod;
			 * 140 - PF0 attn prod;    141 - PF1 attn prod;
			 * 142 - PF2 attn prod;    143 - PF3 attn prod;
			 * 144-147 reserved.
			 *
			 * E1.5 mode - In backward compatible mode;
			 * for non default SB; each even line in the memory
			 * holds the U producer and each odd line hold
			 * the C producer. The first 128 producers are for
			 * NDSB (PF0 - 0-31; PF1 - 32-63 and so on). The last 20
			 * producers are for the DSB for each PF.
			 * Each PF has five segments: (the order inside each
			 * segment is PF0; PF1; PF2; PF3) - 128-131 U prods;
			 * 132-135 C prods; 136-139 X prods; 140-143 T prods;
			 * 144-147 attn prods;
			 */
			/* non-default-status-blocks */
			num_segs = CHIP_INT_MODE_IS_BC(bp) ?
				IGU_BC_NDSB_NUM_SEGS : IGU_NORM_NDSB_NUM_SEGS;
			for (sb_idx = 0; sb_idx < bp->igu_sb_cnt; sb_idx++) {
				prod_offset = (bp->igu_base_sb + sb_idx) *
					num_segs;

				for (i = 0; i < num_segs; i++) {
					addr = IGU_REG_PROD_CONS_MEMORY +
							(prod_offset + i) * 4;
					REG_WR(bp, addr, 0);
				}
				/* send consumer update with value 0 */
				bnx2x_ack_sb(bp, bp->igu_base_sb + sb_idx,
					     USTORM_ID, 0, IGU_INT_NOP, 1);
				bnx2x_igu_clear_sb(bp,
						   bp->igu_base_sb + sb_idx);
			}

			/* default-status-blocks */
			num_segs = CHIP_INT_MODE_IS_BC(bp) ?
				IGU_BC_DSB_NUM_SEGS : IGU_NORM_DSB_NUM_SEGS;

			if (CHIP_MODE_IS_4_PORT(bp))
				dsb_idx = BP_FUNC(bp);
			else
				dsb_idx = BP_E1HVN(bp);

			prod_offset = (CHIP_INT_MODE_IS_BC(bp) ?
				       IGU_BC_BASE_DSB_PROD + dsb_idx :
				       IGU_NORM_BASE_DSB_PROD + dsb_idx);

			for (i = 0; i < (num_segs * E1HVN_MAX);
			     i += E1HVN_MAX) {
				addr = IGU_REG_PROD_CONS_MEMORY +
							(prod_offset + i)*4;
				REG_WR(bp, addr, 0);
			}
			/* send consumer update with 0 */
			if (CHIP_INT_MODE_IS_BC(bp)) {
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     USTORM_ID, 0, IGU_INT_NOP, 1);
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     CSTORM_ID, 0, IGU_INT_NOP, 1);
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     XSTORM_ID, 0, IGU_INT_NOP, 1);
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     TSTORM_ID, 0, IGU_INT_NOP, 1);
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     ATTENTION_ID, 0, IGU_INT_NOP, 1);
			} else {
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     USTORM_ID, 0, IGU_INT_NOP, 1);
				bnx2x_ack_sb(bp, bp->igu_dsb_id,
					     ATTENTION_ID, 0, IGU_INT_NOP, 1);
			}
			bnx2x_igu_clear_sb(bp, bp->igu_dsb_id);

			/* !!! these should become driver const once
			   rf-tool supports split-68 const */
			REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0);
			REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0);
			REG_WR(bp, IGU_REG_SB_MASK_LSB, 0);
			REG_WR(bp, IGU_REG_SB_MASK_MSB, 0);
			REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0);
			REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0);
		}
5823 5824
	}

E
Eliezer Tamir 已提交
5825
	/* Reset PCIE errors for debug */
E
Eliezer Tamir 已提交
5826 5827
	REG_WR(bp, 0x2114, 0xffffffff);
	REG_WR(bp, 0x2120, 0xffffffff);
5828 5829 5830 5831 5832 5833 5834 5835

	bnx2x_init_block(bp, EMAC0_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, EMAC1_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, DBU_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, DBG_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, MCP_BLOCK, FUNC0_STAGE + func);
	bnx2x_init_block(bp, DMAE_BLOCK, FUNC0_STAGE + func);

5836 5837 5838 5839 5840 5841 5842 5843 5844 5845 5846 5847 5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858 5859 5860
	if (CHIP_IS_E1x(bp)) {
		main_mem_size = HC_REG_MAIN_MEMORY_SIZE / 2; /*dwords*/
		main_mem_base = HC_REG_MAIN_MEMORY +
				BP_PORT(bp) * (main_mem_size * 4);
		main_mem_prty_clr = HC_REG_HC_PRTY_STS_CLR;
		main_mem_width = 8;

		val = REG_RD(bp, main_mem_prty_clr);
		if (val)
			DP(BNX2X_MSG_MCP, "Hmmm... Parity errors in HC "
					  "block during "
					  "function init (0x%x)!\n", val);

		/* Clear "false" parity errors in MSI-X table */
		for (i = main_mem_base;
		     i < main_mem_base + main_mem_size * 4;
		     i += main_mem_width) {
			bnx2x_read_dmae(bp, i, main_mem_width / 4);
			bnx2x_write_dmae(bp, bnx2x_sp_mapping(bp, wb_data),
					 i, main_mem_width / 4);
		}
		/* Clear HC parity attention */
		REG_RD(bp, main_mem_prty_clr);
	}

Y
Yaniv Rosner 已提交
5861
	bnx2x_phy_probe(&bp->link_params);
D
Dmitry Kravkov 已提交
5862

5863 5864 5865
	return 0;
}

D
Dmitry Kravkov 已提交
5866
int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5867
{
5868
	int rc = 0;
E
Eliezer Tamir 已提交
5869

5870
	DP(BNX2X_MSG_MCP, "function %d  load_code %x\n",
D
Dmitry Kravkov 已提交
5871
	   BP_ABS_FUNC(bp), load_code);
E
Eliezer Tamir 已提交
5872

5873
	bp->dmae_ready = 0;
5874
	spin_lock_init(&bp->dmae_lock);
E
Eliezer Tamir 已提交
5875

5876 5877
	switch (load_code) {
	case FW_MSG_CODE_DRV_LOAD_COMMON:
D
Dmitry Kravkov 已提交
5878
	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
5879
		rc = bnx2x_init_hw_common(bp, load_code);
5880 5881 5882 5883 5884
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_PORT:
5885
		rc = bnx2x_init_hw_port(bp);
5886 5887 5888 5889 5890
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5891
		rc = bnx2x_init_hw_func(bp);
5892 5893 5894 5895 5896 5897 5898 5899 5900 5901
		if (rc)
			goto init_hw_err;
		break;

	default:
		BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code);
		break;
	}

	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
5902
		int mb_idx = BP_FW_MB_IDX(bp);
E
Eliezer Tamir 已提交
5903 5904

		bp->fw_drv_pulse_wr_seq =
D
Dmitry Kravkov 已提交
5905
				(SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
E
Eliezer Tamir 已提交
5906
				 DRV_PULSE_SEQ_MASK);
5907 5908
		DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
	}
E
Eliezer Tamir 已提交
5909

5910 5911 5912 5913
init_hw_err:
	bnx2x_gunzip_end(bp);

	return rc;
E
Eliezer Tamir 已提交
5914 5915
}

D
Dmitry Kravkov 已提交
5916
void bnx2x_free_mem(struct bnx2x *bp)
E
Eliezer Tamir 已提交
5917
{
5918
	bnx2x_gunzip_end(bp);
E
Eliezer Tamir 已提交
5919 5920

	/* fastpath */
5921
	bnx2x_free_fp_mem(bp);
E
Eliezer Tamir 已提交
5922 5923 5924
	/* end of fastpath */

	BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5925
		       sizeof(struct host_sp_status_block));
E
Eliezer Tamir 已提交
5926 5927

	BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5928
		       sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
5929

5930 5931 5932 5933 5934 5935
	BNX2X_PCI_FREE(bp->context.vcxt, bp->context.cxt_mapping,
		       bp->context.size);

	bnx2x_ilt_mem_op(bp, ILT_MEMOP_FREE);

	BNX2X_FREE(bp->ilt->lines);
D
Dmitry Kravkov 已提交
5936

5937
#ifdef BCM_CNIC
D
Dmitry Kravkov 已提交
5938 5939 5940 5941 5942 5943
	if (CHIP_IS_E2(bp))
		BNX2X_PCI_FREE(bp->cnic_sb.e2_sb, bp->cnic_sb_mapping,
			       sizeof(struct host_hc_status_block_e2));
	else
		BNX2X_PCI_FREE(bp->cnic_sb.e1x_sb, bp->cnic_sb_mapping,
			       sizeof(struct host_hc_status_block_e1x));
D
Dmitry Kravkov 已提交
5944

5945
	BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
E
Eliezer Tamir 已提交
5946
#endif
D
Dmitry Kravkov 已提交
5947

5948
	BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
E
Eliezer Tamir 已提交
5949

5950 5951 5952
	BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
		       BCM_PAGE_SIZE * NUM_EQ_PAGES);

5953
	BNX2X_FREE(bp->rx_indir_table);
E
Eliezer Tamir 已提交
5954 5955
}

D
Dmitry Kravkov 已提交
5956

D
Dmitry Kravkov 已提交
5957
int bnx2x_alloc_mem(struct bnx2x *bp)
E
Eliezer Tamir 已提交
5958
{
5959 5960
	if (bnx2x_gunzip_init(bp))
		return -ENOMEM;
E
Eilon Greenstein 已提交
5961

5962
#ifdef BCM_CNIC
D
Dmitry Kravkov 已提交
5963 5964 5965 5966 5967 5968
	if (CHIP_IS_E2(bp))
		BNX2X_PCI_ALLOC(bp->cnic_sb.e2_sb, &bp->cnic_sb_mapping,
				sizeof(struct host_hc_status_block_e2));
	else
		BNX2X_PCI_ALLOC(bp->cnic_sb.e1x_sb, &bp->cnic_sb_mapping,
				sizeof(struct host_hc_status_block_e1x));
E
Eilon Greenstein 已提交
5969

5970 5971 5972
	/* allocate searcher T2 table */
	BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
#endif
E
Eliezer Tamir 已提交
5973

E
Eilon Greenstein 已提交
5974

5975 5976
	BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
			sizeof(struct host_sp_status_block));
E
Eliezer Tamir 已提交
5977

5978 5979
	BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
			sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
5980

5981
	bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
D
Dmitry Kravkov 已提交
5982

5983 5984
	BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
			bp->context.size);
5985

5986
	BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
5987

5988 5989
	if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
		goto alloc_mem_err;
5990

D
Dmitry Kravkov 已提交
5991 5992
	/* Slow path ring */
	BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5993

5994 5995 5996
	/* EQ */
	BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
			BCM_PAGE_SIZE * NUM_EQ_PAGES);
5997 5998 5999

	BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
		    TSTORM_INDIRECTION_TABLE_SIZE);
6000 6001 6002 6003 6004 6005 6006

	/* fastpath */
	/* need to be done at the end, since it's self adjusting to amount
	 * of memory available for RSS queues
	 */
	if (bnx2x_alloc_fp_mem(bp))
		goto alloc_mem_err;
D
Dmitry Kravkov 已提交
6007
	return 0;
E
Eilon Greenstein 已提交
6008

D
Dmitry Kravkov 已提交
6009 6010 6011
alloc_mem_err:
	bnx2x_free_mem(bp);
	return -ENOMEM;
6012 6013
}

E
Eliezer Tamir 已提交
6014 6015 6016
/*
 * Init service functions
 */
6017 6018 6019
static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
			     int *state_p, int flags);

6020
int bnx2x_func_start(struct bnx2x *bp)
E
Eliezer Tamir 已提交
6021
{
6022
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
E
Eliezer Tamir 已提交
6023

6024 6025 6026 6027
	/* Wait for completion */
	return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
				 WAIT_RAMROD_COMMON);
}
E
Eliezer Tamir 已提交
6028

6029
static int bnx2x_func_stop(struct bnx2x *bp)
6030 6031
{
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
E
Eliezer Tamir 已提交
6032

6033 6034 6035
	/* Wait for completion */
	return bnx2x_wait_ramrod(bp, BNX2X_STATE_CLOSING_WAIT4_UNLOAD,
				      0, &(bp->state), WAIT_RAMROD_COMMON);
E
Eliezer Tamir 已提交
6036 6037
}

6038
/**
6039
 * bnx2x_set_mac_addr_gen - set a MAC in a CAM for a few L2 Clients for E1x chips
6040
 *
6041 6042 6043 6044 6045 6046
 * @bp:		driver handle
 * @set:	set or clear an entry (1 or 0)
 * @mac:	pointer to a buffer containing a MAC
 * @cl_bit_vec:	bit vector of clients to register a MAC for
 * @cam_offset:	offset in a CAM to use
 * @is_bcast:	is the set MAC a broadcast address (for E1 only)
6047
 */
J
Joe Perches 已提交
6048
static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
D
Dmitry Kravkov 已提交
6049 6050
				   u32 cl_bit_vec, u8 cam_offset,
				   u8 is_bcast)
6051
{
6052 6053 6054 6055 6056 6057
	struct mac_configuration_cmd *config =
		(struct mac_configuration_cmd *)bnx2x_sp(bp, mac_config);
	int ramrod_flags = WAIT_RAMROD_COMMON;

	bp->set_mac_pending = 1;

E
Eilon Greenstein 已提交
6058
	config->hdr.length = 1;
6059 6060
	config->hdr.offset = cam_offset;
	config->hdr.client_id = 0xff;
6061 6062 6063 6064
	/* Mark the single MAC configuration ramrod as opposed to a
	 * UC/MC list configuration).
	 */
	config->hdr.echo = 1;
6065 6066 6067

	/* primary MAC */
	config->config_table[0].msb_mac_addr =
6068
					swab16(*(u16 *)&mac[0]);
6069
	config->config_table[0].middle_mac_addr =
6070
					swab16(*(u16 *)&mac[2]);
6071
	config->config_table[0].lsb_mac_addr =
6072
					swab16(*(u16 *)&mac[4]);
E
Eilon Greenstein 已提交
6073
	config->config_table[0].clients_bit_vector =
6074
					cpu_to_le32(cl_bit_vec);
6075
	config->config_table[0].vlan_id = 0;
6076
	config->config_table[0].pf_id = BP_FUNC(bp);
6077
	if (set)
6078 6079 6080
		SET_FLAG(config->config_table[0].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_SET);
6081
	else
6082 6083 6084
		SET_FLAG(config->config_table[0].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_INVALIDATE);
6085

6086 6087 6088 6089 6090
	if (is_bcast)
		SET_FLAG(config->config_table[0].flags,
			MAC_CONFIGURATION_ENTRY_BROADCAST, 1);

	DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)  PF_ID %d  CLID mask %d\n",
6091
	   (set ? "setting" : "clearing"),
6092 6093
	   config->config_table[0].msb_mac_addr,
	   config->config_table[0].middle_mac_addr,
6094
	   config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
6095

6096 6097
	mb();

6098
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6099
		      U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6100 6101 6102 6103
		      U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);

	/* Wait for a completion */
	bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending, ramrod_flags);
6104 6105
}

6106 6107
static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
			     int *state_p, int flags)
E
Eliezer Tamir 已提交
6108 6109
{
	/* can take a while if any port is running */
E
Eilon Greenstein 已提交
6110
	int cnt = 5000;
6111 6112
	u8 poll = flags & WAIT_RAMROD_POLL;
	u8 common = flags & WAIT_RAMROD_COMMON;
E
Eliezer Tamir 已提交
6113

E
Eliezer Tamir 已提交
6114 6115
	DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n",
	   poll ? "polling" : "waiting", state, idx);
E
Eliezer Tamir 已提交
6116 6117

	might_sleep();
6118
	while (cnt--) {
E
Eliezer Tamir 已提交
6119
		if (poll) {
6120 6121 6122 6123 6124 6125 6126 6127 6128 6129 6130
			if (common)
				bnx2x_eq_int(bp);
			else {
				bnx2x_rx_int(bp->fp, 10);
				/* if index is different from 0
				 * the reply for some commands will
				 * be on the non default queue
				 */
				if (idx)
					bnx2x_rx_int(&bp->fp[idx], 10);
			}
E
Eliezer Tamir 已提交
6131 6132
		}

6133
		mb(); /* state is changed by bnx2x_sp_event() */
E
Eilon Greenstein 已提交
6134 6135 6136 6137
		if (*state_p == state) {
#ifdef BNX2X_STOP_ON_ERROR
			DP(NETIF_MSG_IFUP, "exit  (cnt %d)\n", 5000 - cnt);
#endif
E
Eliezer Tamir 已提交
6138
			return 0;
E
Eilon Greenstein 已提交
6139
		}
E
Eliezer Tamir 已提交
6140 6141

		msleep(1);
6142 6143 6144

		if (bp->panic)
			return -EIO;
E
Eliezer Tamir 已提交
6145 6146 6147
	}

	/* timeout! */
6148 6149
	BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
		  poll ? "polling" : "waiting", state, idx);
6150 6151 6152
#ifdef BNX2X_STOP_ON_ERROR
	bnx2x_panic();
#endif
E
Eliezer Tamir 已提交
6153

6154
	return -EBUSY;
E
Eliezer Tamir 已提交
6155 6156
}

6157
static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
6158
{
D
Dmitry Kravkov 已提交
6159 6160 6161
	if (CHIP_IS_E1H(bp))
		return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
	else if (CHIP_MODE_IS_4_PORT(bp))
6162
		return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
D
Dmitry Kravkov 已提交
6163
	else
6164
		return E2_FUNC_MAX * rel_offset + BP_VN(bp);
6165 6166
}

6167 6168 6169 6170 6171 6172 6173 6174 6175 6176 6177 6178 6179 6180 6181 6182 6183 6184 6185 6186 6187 6188 6189 6190 6191 6192 6193 6194 6195 6196 6197 6198 6199 6200 6201 6202 6203 6204 6205 6206 6207 6208 6209 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 6221 6222 6223 6224 6225
/**
 *  LLH CAM line allocations: currently only iSCSI and ETH macs are
 *  relevant. In addition, current implementation is tuned for a
 *  single ETH MAC.
 */
enum {
	LLH_CAM_ISCSI_ETH_LINE = 0,
	LLH_CAM_ETH_LINE,
	LLH_CAM_MAX_PF_LINE = NIG_REG_LLH1_FUNC_MEM_SIZE
};

static void bnx2x_set_mac_in_nig(struct bnx2x *bp,
			  int set,
			  unsigned char *dev_addr,
			  int index)
{
	u32 wb_data[2];
	u32 mem_offset, ena_offset, mem_index;
	/**
	 * indexes mapping:
	 * 0..7 - goes to MEM
	 * 8..15 - goes to MEM2
	 */

	if (!IS_MF_SI(bp) || index > LLH_CAM_MAX_PF_LINE)
		return;

	/* calculate memory start offset according to the mapping
	 * and index in the memory */
	if (index < NIG_LLH_FUNC_MEM_MAX_OFFSET) {
		mem_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM :
					   NIG_REG_LLH0_FUNC_MEM;
		ena_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE :
					   NIG_REG_LLH0_FUNC_MEM_ENABLE;
		mem_index = index;
	} else {
		mem_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2 :
					   NIG_REG_P0_LLH_FUNC_MEM2;
		ena_offset = BP_PORT(bp) ? NIG_REG_P1_LLH_FUNC_MEM2_ENABLE :
					   NIG_REG_P0_LLH_FUNC_MEM2_ENABLE;
		mem_index = index - NIG_LLH_FUNC_MEM_MAX_OFFSET;
	}

	if (set) {
		/* LLH_FUNC_MEM is a u64 WB register */
		mem_offset += 8*mem_index;

		wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) |
			      (dev_addr[4] <<  8) |  dev_addr[5]);
		wb_data[1] = ((dev_addr[0] <<  8) |  dev_addr[1]);

		REG_WR_DMAE(bp, mem_offset, wb_data, 2);
	}

	/* enable/disable the entry */
	REG_WR(bp, ena_offset + 4*mem_index, set);

}

6226 6227 6228 6229
void bnx2x_set_eth_mac(struct bnx2x *bp, int set)
{
	u8 cam_offset = (CHIP_IS_E1(bp) ? (BP_PORT(bp) ? 32 : 0) :
			 bnx2x_e1h_cam_offset(bp, CAM_ETH_LINE));
6230

6231 6232 6233
	/* networking  MAC */
	bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
			       (1 << bp->fp->cl_id), cam_offset , 0);
6234

6235 6236
	bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);

6237 6238
	if (CHIP_IS_E1(bp)) {
		/* broadcast MAC */
J
Joe Perches 已提交
6239 6240 6241
		static const u8 bcast[ETH_ALEN] = {
			0xff, 0xff, 0xff, 0xff, 0xff, 0xff
		};
6242 6243
		bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
	}
6244
}
6245 6246 6247 6248 6249 6250 6251 6252 6253 6254 6255 6256 6257 6258 6259 6260 6261 6262 6263 6264

static inline u8 bnx2x_e1_cam_mc_offset(struct bnx2x *bp)
{
	return CHIP_REV_IS_SLOW(bp) ?
		(BNX2X_MAX_EMUL_MULTI * (1 + BP_PORT(bp))) :
		(BNX2X_MAX_MULTICAST * (1 + BP_PORT(bp)));
}

/* set mc list, do not wait as wait implies sleep and
 * set_rx_mode can be invoked from non-sleepable context.
 *
 * Instead we use the same ramrod data buffer each time we need
 * to configure a list of addresses, and use the fact that the
 * list of MACs is changed in an incremental way and that the
 * function is called under the netif_addr_lock. A temporary
 * inconsistent CAM configuration (possible in case of a very fast
 * sequence of add/del/add on the host side) will shortly be
 * restored by the handler of the last ramrod.
 */
static int bnx2x_set_e1_mc_list(struct bnx2x *bp)
6265 6266 6267
{
	int i = 0, old;
	struct net_device *dev = bp->dev;
6268
	u8 offset = bnx2x_e1_cam_mc_offset(bp);
6269 6270 6271 6272
	struct netdev_hw_addr *ha;
	struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
	dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);

6273 6274 6275
	if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
		return -EINVAL;

6276 6277 6278 6279 6280 6281 6282 6283
	netdev_for_each_mc_addr(ha, dev) {
		/* copy mac */
		config_cmd->config_table[i].msb_mac_addr =
			swab16(*(u16 *)&bnx2x_mc_addr(ha)[0]);
		config_cmd->config_table[i].middle_mac_addr =
			swab16(*(u16 *)&bnx2x_mc_addr(ha)[2]);
		config_cmd->config_table[i].lsb_mac_addr =
			swab16(*(u16 *)&bnx2x_mc_addr(ha)[4]);
6284

6285 6286 6287 6288 6289 6290 6291 6292 6293 6294 6295 6296 6297 6298 6299 6300 6301 6302 6303 6304 6305 6306 6307 6308 6309 6310 6311 6312 6313 6314 6315
		config_cmd->config_table[i].vlan_id = 0;
		config_cmd->config_table[i].pf_id = BP_FUNC(bp);
		config_cmd->config_table[i].clients_bit_vector =
			cpu_to_le32(1 << BP_L_ID(bp));

		SET_FLAG(config_cmd->config_table[i].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_SET);

		DP(NETIF_MSG_IFUP,
		   "setting MCAST[%d] (%04x:%04x:%04x)\n", i,
		   config_cmd->config_table[i].msb_mac_addr,
		   config_cmd->config_table[i].middle_mac_addr,
		   config_cmd->config_table[i].lsb_mac_addr);
		i++;
	}
	old = config_cmd->hdr.length;
	if (old > i) {
		for (; i < old; i++) {
			if (CAM_IS_INVALID(config_cmd->
					   config_table[i])) {
				/* already invalidated */
				break;
			}
			/* invalidate */
			SET_FLAG(config_cmd->config_table[i].flags,
				MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
				T_ETH_MAC_COMMAND_INVALIDATE);
		}
	}

6316 6317
	wmb();

6318 6319 6320
	config_cmd->hdr.length = i;
	config_cmd->hdr.offset = offset;
	config_cmd->hdr.client_id = 0xff;
6321 6322 6323 6324
	/* Mark that this ramrod doesn't use bp->set_mac_pending for
	 * synchronization.
	 */
	config_cmd->hdr.echo = 0;
6325

6326
	mb();
6327

6328
	return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6329 6330
		   U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
}
6331 6332

void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
6333
{
6334 6335 6336 6337
	int i;
	struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, mcast_config);
	dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, mcast_config);
	int ramrod_flags = WAIT_RAMROD_COMMON;
6338
	u8 offset = bnx2x_e1_cam_mc_offset(bp);
6339

6340
	for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
6341 6342 6343 6344
		SET_FLAG(config_cmd->config_table[i].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_INVALIDATE);

6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 6355 6356
	wmb();

	config_cmd->hdr.length = BNX2X_MAX_MULTICAST;
	config_cmd->hdr.offset = offset;
	config_cmd->hdr.client_id = 0xff;
	/* We'll wait for a completion this time... */
	config_cmd->hdr.echo = 1;

	bp->set_mac_pending = 1;

	mb();

6357 6358
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
		      U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6359 6360

	/* Wait for a completion */
6361 6362 6363
	bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
				ramrod_flags);

6364 6365
}

6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387 6388 6389 6390 6391 6392 6393 6394 6395 6396 6397 6398 6399 6400 6401 6402 6403
/* Accept one or more multicasts */
static int bnx2x_set_e1h_mc_list(struct bnx2x *bp)
{
	struct net_device *dev = bp->dev;
	struct netdev_hw_addr *ha;
	u32 mc_filter[MC_HASH_SIZE];
	u32 crc, bit, regidx;
	int i;

	memset(mc_filter, 0, 4 * MC_HASH_SIZE);

	netdev_for_each_mc_addr(ha, dev) {
		DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
		   bnx2x_mc_addr(ha));

		crc = crc32c_le(0, bnx2x_mc_addr(ha),
				ETH_ALEN);
		bit = (crc >> 24) & 0xff;
		regidx = bit >> 5;
		bit &= 0x1f;
		mc_filter[regidx] |= (1 << bit);
	}

	for (i = 0; i < MC_HASH_SIZE; i++)
		REG_WR(bp, MC_HASH_OFFSET(bp, i),
		       mc_filter[i]);

	return 0;
}

void bnx2x_invalidate_e1h_mc_list(struct bnx2x *bp)
{
	int i;

	for (i = 0; i < MC_HASH_SIZE; i++)
		REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
}

6404 6405
#ifdef BCM_CNIC
/**
6406
 * bnx2x_set_iscsi_eth_mac_addr - set iSCSI MAC(s).
6407
 *
6408 6409
 * @bp:		driver handle
 * @set:	set or clear the CAM entry
6410
 *
6411 6412
 * This function will wait until the ramdord completion returns.
 * Return 0 if success, -ENODEV if ramrod doesn't return.
6413
 */
6414
static int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
6415
{
6416 6417
	u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
			 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
V
Vladislav Zolotarov 已提交
6418 6419
	u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID +
		BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
6420
	u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
6421
	u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
6422 6423

	/* Send a SET_MAC ramrod */
6424
	bnx2x_set_mac_addr_gen(bp, set, iscsi_mac, cl_bit_vec,
6425
			       cam_offset, 0);
6426

6427
	bnx2x_set_mac_in_nig(bp, set, iscsi_mac, LLH_CAM_ISCSI_ETH_LINE);
V
Vladislav Zolotarov 已提交
6428 6429 6430 6431 6432

	return 0;
}

/**
6433
 * bnx2x_set_fip_eth_mac_addr - set FCoE L2 MAC(s)
V
Vladislav Zolotarov 已提交
6434
 *
6435 6436
 * @bp:		driver handle
 * @set:	set or clear the CAM entry
V
Vladislav Zolotarov 已提交
6437
 *
6438 6439
 * This function will wait until the ramrod completion returns.
 * Returns 0 if success, -ENODEV if ramrod doesn't return.
V
Vladislav Zolotarov 已提交
6440 6441 6442 6443 6444 6445 6446 6447 6448 6449 6450 6451 6452 6453 6454 6455 6456 6457 6458 6459 6460 6461 6462 6463 6464 6465 6466 6467 6468 6469 6470
 */
int bnx2x_set_fip_eth_mac_addr(struct bnx2x *bp, int set)
{
	u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));
	/**
	 * CAM allocation for E1H
	 * eth unicasts: by func number
	 * iscsi: by func number
	 * fip unicast: by func number
	 * fip multicast: by func number
	 */
	bnx2x_set_mac_addr_gen(bp, set, bp->fip_mac,
		cl_bit_vec, bnx2x_e1h_cam_offset(bp, CAM_FIP_ETH_LINE), 0);

	return 0;
}

int bnx2x_set_all_enode_macs(struct bnx2x *bp, int set)
{
	u32 cl_bit_vec = (1 << bnx2x_fcoe(bp, cl_id));

	/**
	 * CAM allocation for E1H
	 * eth unicasts: by func number
	 * iscsi: by func number
	 * fip unicast: by func number
	 * fip multicast: by func number
	 */
	bnx2x_set_mac_addr_gen(bp, set, ALL_ENODE_MACS,	cl_bit_vec,
		bnx2x_e1h_cam_offset(bp, CAM_FIP_MCAST_LINE), 0);

6471 6472 6473 6474
	return 0;
}
#endif

6475 6476 6477 6478 6479 6480 6481 6482 6483 6484 6485 6486 6487
static void bnx2x_fill_cl_init_data(struct bnx2x *bp,
				    struct bnx2x_client_init_params *params,
				    u8 activate,
				    struct client_init_ramrod_data *data)
{
	/* Clear the buffer */
	memset(data, 0, sizeof(*data));

	/* general */
	data->general.client_id = params->rxq_params.cl_id;
	data->general.statistics_counter_id = params->rxq_params.stat_id;
	data->general.statistics_en_flg =
		(params->rxq_params.flags & QUEUE_FLG_STATS) ? 1 : 0;
V
Vladislav Zolotarov 已提交
6488 6489
	data->general.is_fcoe_flg =
		(params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
6490 6491 6492 6493 6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508 6509 6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526 6527 6528 6529 6530 6531 6532 6533 6534 6535 6536 6537 6538 6539 6540 6541 6542 6543 6544 6545 6546 6547 6548 6549 6550 6551 6552 6553 6554 6555 6556 6557
	data->general.activate_flg = activate;
	data->general.sp_client_id = params->rxq_params.spcl_id;

	/* Rx data */
	data->rx.tpa_en_flg =
		(params->rxq_params.flags & QUEUE_FLG_TPA) ? 1 : 0;
	data->rx.vmqueue_mode_en_flg = 0;
	data->rx.cache_line_alignment_log_size =
		params->rxq_params.cache_line_log;
	data->rx.enable_dynamic_hc =
		(params->rxq_params.flags & QUEUE_FLG_DHC) ? 1 : 0;
	data->rx.max_sges_for_packet = params->rxq_params.max_sges_pkt;
	data->rx.client_qzone_id = params->rxq_params.cl_qzone_id;
	data->rx.max_agg_size = params->rxq_params.tpa_agg_sz;

	/* We don't set drop flags */
	data->rx.drop_ip_cs_err_flg = 0;
	data->rx.drop_tcp_cs_err_flg = 0;
	data->rx.drop_ttl0_flg = 0;
	data->rx.drop_udp_cs_err_flg = 0;

	data->rx.inner_vlan_removal_enable_flg =
		(params->rxq_params.flags & QUEUE_FLG_VLAN) ? 1 : 0;
	data->rx.outer_vlan_removal_enable_flg =
		(params->rxq_params.flags & QUEUE_FLG_OV) ? 1 : 0;
	data->rx.status_block_id = params->rxq_params.fw_sb_id;
	data->rx.rx_sb_index_number = params->rxq_params.sb_cq_index;
	data->rx.bd_buff_size = cpu_to_le16(params->rxq_params.buf_sz);
	data->rx.sge_buff_size = cpu_to_le16(params->rxq_params.sge_buf_sz);
	data->rx.mtu = cpu_to_le16(params->rxq_params.mtu);
	data->rx.bd_page_base.lo =
		cpu_to_le32(U64_LO(params->rxq_params.dscr_map));
	data->rx.bd_page_base.hi =
		cpu_to_le32(U64_HI(params->rxq_params.dscr_map));
	data->rx.sge_page_base.lo =
		cpu_to_le32(U64_LO(params->rxq_params.sge_map));
	data->rx.sge_page_base.hi =
		cpu_to_le32(U64_HI(params->rxq_params.sge_map));
	data->rx.cqe_page_base.lo =
		cpu_to_le32(U64_LO(params->rxq_params.rcq_map));
	data->rx.cqe_page_base.hi =
		cpu_to_le32(U64_HI(params->rxq_params.rcq_map));
	data->rx.is_leading_rss =
		(params->ramrod_params.flags & CLIENT_IS_LEADING_RSS) ? 1 : 0;
	data->rx.is_approx_mcast = data->rx.is_leading_rss;

	/* Tx data */
	data->tx.enforce_security_flg = 0; /* VF specific */
	data->tx.tx_status_block_id = params->txq_params.fw_sb_id;
	data->tx.tx_sb_index_number = params->txq_params.sb_cq_index;
	data->tx.mtu = 0; /* VF specific */
	data->tx.tx_bd_page_base.lo =
		cpu_to_le32(U64_LO(params->txq_params.dscr_map));
	data->tx.tx_bd_page_base.hi =
		cpu_to_le32(U64_HI(params->txq_params.dscr_map));

	/* flow control data */
	data->fc.cqe_pause_thr_low = cpu_to_le16(params->pause.rcq_th_lo);
	data->fc.cqe_pause_thr_high = cpu_to_le16(params->pause.rcq_th_hi);
	data->fc.bd_pause_thr_low = cpu_to_le16(params->pause.bd_th_lo);
	data->fc.bd_pause_thr_high = cpu_to_le16(params->pause.bd_th_hi);
	data->fc.sge_pause_thr_low = cpu_to_le16(params->pause.sge_th_lo);
	data->fc.sge_pause_thr_high = cpu_to_le16(params->pause.sge_th_hi);
	data->fc.rx_cos_mask = cpu_to_le16(params->pause.pri_map);

	data->fc.safc_group_num = params->txq_params.cos;
	data->fc.safc_group_en_flg =
		(params->txq_params.flags & QUEUE_FLG_COS) ? 1 : 0;
V
Vladislav Zolotarov 已提交
6558 6559 6560
	data->fc.traffic_type =
		(params->ramrod_params.flags & CLIENT_IS_FCOE) ?
		LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
6561 6562 6563 6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574
}

static inline void bnx2x_set_ctx_validation(struct eth_context *cxt, u32 cid)
{
	/* ustorm cxt validation */
	cxt->ustorm_ag_context.cdu_usage =
		CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_UCM_AG,
				       ETH_CONNECTION_TYPE);
	/* xcontext validation */
	cxt->xstorm_ag_context.cdu_reserved =
		CDU_RSRVD_VALUE_TYPE_A(cid, CDU_REGION_NUMBER_XCM_AG,
				       ETH_CONNECTION_TYPE);
}

6575 6576 6577 6578 6579
static int bnx2x_setup_fw_client(struct bnx2x *bp,
				 struct bnx2x_client_init_params *params,
				 u8 activate,
				 struct client_init_ramrod_data *data,
				 dma_addr_t data_mapping)
6580 6581 6582 6583 6584 6585 6586 6587 6588 6589 6590 6591 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601 6602 6603 6604 6605 6606 6607 6608 6609 6610 6611 6612 6613 6614 6615 6616 6617 6618 6619 6620 6621 6622 6623 6624 6625 6626 6627 6628
{
	u16 hc_usec;
	int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP;
	int ramrod_flags = 0, rc;

	/* HC and context validation values */
	hc_usec = params->txq_params.hc_rate ?
		1000000 / params->txq_params.hc_rate : 0;
	bnx2x_update_coalesce_sb_index(bp,
			params->txq_params.fw_sb_id,
			params->txq_params.sb_cq_index,
			!(params->txq_params.flags & QUEUE_FLG_HC),
			hc_usec);

	*(params->ramrod_params.pstate) = BNX2X_FP_STATE_OPENING;

	hc_usec = params->rxq_params.hc_rate ?
		1000000 / params->rxq_params.hc_rate : 0;
	bnx2x_update_coalesce_sb_index(bp,
			params->rxq_params.fw_sb_id,
			params->rxq_params.sb_cq_index,
			!(params->rxq_params.flags & QUEUE_FLG_HC),
			hc_usec);

	bnx2x_set_ctx_validation(params->rxq_params.cxt,
				 params->rxq_params.cid);

	/* zero stats */
	if (params->txq_params.flags & QUEUE_FLG_STATS)
		storm_memset_xstats_zero(bp, BP_PORT(bp),
					 params->txq_params.stat_id);

	if (params->rxq_params.flags & QUEUE_FLG_STATS) {
		storm_memset_ustats_zero(bp, BP_PORT(bp),
					 params->rxq_params.stat_id);
		storm_memset_tstats_zero(bp, BP_PORT(bp),
					 params->rxq_params.stat_id);
	}

	/* Fill the ramrod data */
	bnx2x_fill_cl_init_data(bp, params, activate, data);

	/* SETUP ramrod.
	 *
	 * bnx2x_sp_post() takes a spin_lock thus no other explict memory
	 * barrier except from mmiowb() is needed to impose a
	 * proper ordering of memory operations.
	 */
	mmiowb();
E
Eliezer Tamir 已提交
6629 6630


6631 6632
	bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
		      U64_HI(data_mapping), U64_LO(data_mapping), 0);
E
Eliezer Tamir 已提交
6633

6634
	/* Wait for completion */
6635 6636 6637 6638
	rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
				 params->ramrod_params.index,
				 params->ramrod_params.pstate,
				 ramrod_flags);
6639
	return rc;
E
Eliezer Tamir 已提交
6640 6641
}

6642
/**
6643
 * bnx2x_set_int_mode - configure interrupt mode
6644
 *
6645
 * @bp:		driver handle
6646
 *
6647
 * In case of MSI-X it will also try to enable MSI-X.
6648 6649
 */
static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
E
Eilon Greenstein 已提交
6650
{
6651
	int rc = 0;
E
Eilon Greenstein 已提交
6652

6653 6654 6655 6656 6657
	switch (bp->int_mode) {
	case INT_MODE_MSI:
		bnx2x_enable_msi(bp);
		/* falling through... */
	case INT_MODE_INTx:
V
Vladislav Zolotarov 已提交
6658
		bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6659
		DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
E
Eilon Greenstein 已提交
6660
		break;
6661 6662 6663
	default:
		/* Set number of queues according to bp->multi_mode value */
		bnx2x_set_num_queues(bp);
E
Eilon Greenstein 已提交
6664

6665 6666
		DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
		   bp->num_queues);
E
Eilon Greenstein 已提交
6667

6668 6669 6670 6671 6672 6673 6674 6675 6676 6677 6678 6679 6680
		/* if we can't use MSI-X we only need one fp,
		 * so try to enable MSI-X with the requested number of fp's
		 * and fallback to MSI or legacy INTx with one fp
		 */
		rc = bnx2x_enable_msix(bp);
		if (rc) {
			/* failed to enable MSI-X */
			if (bp->multi_mode)
				DP(NETIF_MSG_IFUP,
					  "Multi requested but failed to "
					  "enable MSI-X (%d), "
					  "set number of queues to %d\n",
				   bp->num_queues,
V
Vladislav Zolotarov 已提交
6681 6682
				   1 + NONE_ETH_CONTEXT_USE);
			bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6683 6684 6685 6686

			if (!(bp->flags & DISABLE_MSI_FLAG))
				bnx2x_enable_msi(bp);
		}
E
Eilon Greenstein 已提交
6687

D
Dmitry Kravkov 已提交
6688 6689
		break;
	}
6690 6691

	return rc;
E
Eliezer Tamir 已提交
6692 6693
}

6694 6695 6696 6697 6698 6699
/* must be called prioir to any HW initializations */
static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
{
	return L2_ILT_LINES(bp);
}

6700 6701 6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716 6717 6718 6719 6720 6721 6722 6723 6724 6725 6726 6727 6728 6729 6730 6731 6732 6733 6734 6735 6736 6737 6738 6739 6740 6741 6742 6743 6744 6745 6746 6747 6748 6749 6750 6751 6752 6753 6754 6755 6756 6757 6758 6759 6760 6761 6762 6763 6764 6765 6766 6767 6768 6769 6770 6771 6772
void bnx2x_ilt_set_info(struct bnx2x *bp)
{
	struct ilt_client_info *ilt_client;
	struct bnx2x_ilt *ilt = BP_ILT(bp);
	u16 line = 0;

	ilt->start_line = FUNC_ILT_BASE(BP_FUNC(bp));
	DP(BNX2X_MSG_SP, "ilt starts at line %d\n", ilt->start_line);

	/* CDU */
	ilt_client = &ilt->clients[ILT_CLIENT_CDU];
	ilt_client->client_num = ILT_CLIENT_CDU;
	ilt_client->page_size = CDU_ILT_PAGE_SZ;
	ilt_client->flags = ILT_CLIENT_SKIP_MEM;
	ilt_client->start = line;
	line += L2_ILT_LINES(bp);
#ifdef BCM_CNIC
	line += CNIC_ILT_LINES;
#endif
	ilt_client->end = line - 1;

	DP(BNX2X_MSG_SP, "ilt client[CDU]: start %d, end %d, psz 0x%x, "
					 "flags 0x%x, hw psz %d\n",
	   ilt_client->start,
	   ilt_client->end,
	   ilt_client->page_size,
	   ilt_client->flags,
	   ilog2(ilt_client->page_size >> 12));

	/* QM */
	if (QM_INIT(bp->qm_cid_count)) {
		ilt_client = &ilt->clients[ILT_CLIENT_QM];
		ilt_client->client_num = ILT_CLIENT_QM;
		ilt_client->page_size = QM_ILT_PAGE_SZ;
		ilt_client->flags = 0;
		ilt_client->start = line;

		/* 4 bytes for each cid */
		line += DIV_ROUND_UP(bp->qm_cid_count * QM_QUEUES_PER_FUNC * 4,
							 QM_ILT_PAGE_SZ);

		ilt_client->end = line - 1;

		DP(BNX2X_MSG_SP, "ilt client[QM]: start %d, end %d, psz 0x%x, "
						 "flags 0x%x, hw psz %d\n",
		   ilt_client->start,
		   ilt_client->end,
		   ilt_client->page_size,
		   ilt_client->flags,
		   ilog2(ilt_client->page_size >> 12));

	}
	/* SRC */
	ilt_client = &ilt->clients[ILT_CLIENT_SRC];
#ifdef BCM_CNIC
	ilt_client->client_num = ILT_CLIENT_SRC;
	ilt_client->page_size = SRC_ILT_PAGE_SZ;
	ilt_client->flags = 0;
	ilt_client->start = line;
	line += SRC_ILT_LINES;
	ilt_client->end = line - 1;

	DP(BNX2X_MSG_SP, "ilt client[SRC]: start %d, end %d, psz 0x%x, "
					 "flags 0x%x, hw psz %d\n",
	   ilt_client->start,
	   ilt_client->end,
	   ilt_client->page_size,
	   ilt_client->flags,
	   ilog2(ilt_client->page_size >> 12));

#else
	ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
#endif
D
Dmitry Kravkov 已提交
6773

6774 6775 6776 6777 6778 6779 6780 6781 6782 6783 6784 6785 6786 6787 6788 6789 6790
	/* TM */
	ilt_client = &ilt->clients[ILT_CLIENT_TM];
#ifdef BCM_CNIC
	ilt_client->client_num = ILT_CLIENT_TM;
	ilt_client->page_size = TM_ILT_PAGE_SZ;
	ilt_client->flags = 0;
	ilt_client->start = line;
	line += TM_ILT_LINES;
	ilt_client->end = line - 1;

	DP(BNX2X_MSG_SP, "ilt client[TM]: start %d, end %d, psz 0x%x, "
					 "flags 0x%x, hw psz %d\n",
	   ilt_client->start,
	   ilt_client->end,
	   ilt_client->page_size,
	   ilt_client->flags,
	   ilog2(ilt_client->page_size >> 12));
D
Dmitry Kravkov 已提交
6791

6792 6793 6794 6795
#else
	ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
#endif
}
D
Dmitry Kravkov 已提交
6796

6797 6798
int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
		       int is_leading)
E
Eliezer Tamir 已提交
6799
{
6800
	struct bnx2x_client_init_params params = { {0} };
E
Eliezer Tamir 已提交
6801 6802
	int rc;

V
Vladislav Zolotarov 已提交
6803 6804 6805
	/* reset IGU state skip FCoE L2 queue */
	if (!IS_FCOE_FP(fp))
		bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
6806
			     IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
6807

6808 6809 6810 6811
	params.ramrod_params.pstate = &fp->state;
	params.ramrod_params.state = BNX2X_FP_STATE_OPEN;
	params.ramrod_params.index = fp->index;
	params.ramrod_params.cid = fp->cid;
E
Eliezer Tamir 已提交
6812

V
Vladislav Zolotarov 已提交
6813 6814 6815 6816 6817 6818
#ifdef BCM_CNIC
	if (IS_FCOE_FP(fp))
		params.ramrod_params.flags |= CLIENT_IS_FCOE;

#endif

6819 6820
	if (is_leading)
		params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
E
Eliezer Tamir 已提交
6821

6822 6823 6824 6825 6826 6827 6828
	bnx2x_pf_rx_cl_prep(bp, fp, &params.pause, &params.rxq_params);

	bnx2x_pf_tx_cl_prep(bp, fp, &params.txq_params);

	rc = bnx2x_setup_fw_client(bp, &params, 1,
				     bnx2x_sp(bp, client_init_data),
				     bnx2x_sp_mapping(bp, client_init_data));
6829
	return rc;
E
Eliezer Tamir 已提交
6830 6831
}

6832 6833
static int bnx2x_stop_fw_client(struct bnx2x *bp,
				struct bnx2x_client_ramrod_params *p)
E
Eliezer Tamir 已提交
6834
{
6835
	int rc;
E
Eliezer Tamir 已提交
6836

6837
	int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
E
Eliezer Tamir 已提交
6838

6839 6840 6841 6842
	/* halt the connection */
	*p->pstate = BNX2X_FP_STATE_HALTING;
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, p->cid, 0,
						  p->cl_id, 0);
E
Eliezer Tamir 已提交
6843

6844
	/* Wait for completion */
6845 6846
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
			       p->pstate, poll_flag);
6847
	if (rc) /* timeout */
6848
		return rc;
E
Eliezer Tamir 已提交
6849

6850 6851 6852 6853 6854 6855 6856 6857
	*p->pstate = BNX2X_FP_STATE_TERMINATING;
	bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, p->cid, 0,
						       p->cl_id, 0);
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_TERMINATED, p->index,
			       p->pstate, poll_flag);
	if (rc) /* timeout */
		return rc;
E
Eliezer Tamir 已提交
6858 6859


6860 6861
	/* delete cfc entry */
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
6862

6863 6864 6865
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
			       p->pstate, WAIT_RAMROD_COMMON);
6866
	return rc;
E
Eliezer Tamir 已提交
6867 6868
}

6869 6870 6871 6872 6873 6874 6875 6876 6877 6878 6879 6880 6881 6882 6883
static int bnx2x_stop_client(struct bnx2x *bp, int index)
{
	struct bnx2x_client_ramrod_params client_stop = {0};
	struct bnx2x_fastpath *fp = &bp->fp[index];

	client_stop.index = index;
	client_stop.cid = fp->cid;
	client_stop.cl_id = fp->cl_id;
	client_stop.pstate = &(fp->state);
	client_stop.poll = 0;

	return bnx2x_stop_fw_client(bp, &client_stop);
}


6884 6885 6886 6887
static void bnx2x_reset_func(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
D
Dmitry Kravkov 已提交
6888
	int i;
6889
	int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
D
Dmitry Kravkov 已提交
6890 6891 6892
			(CHIP_IS_E2(bp) ?
			 offsetof(struct hc_status_block_data_e2, common) :
			 offsetof(struct hc_status_block_data_e1x, common));
6893 6894 6895 6896 6897 6898 6899 6900 6901 6902
	int pfunc_offset_sp = offsetof(struct hc_sp_status_block_data, p_func);
	int pfid_offset = offsetof(struct pci_entity, pf_id);

	/* Disable the function in the FW */
	REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(func), 0);
	REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(func), 0);
	REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(func), 0);
	REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(func), 0);

	/* FP SBs */
V
Vladislav Zolotarov 已提交
6903
	for_each_eth_queue(bp, i) {
6904 6905 6906 6907 6908 6909 6910 6911 6912 6913 6914 6915 6916 6917 6918 6919 6920 6921 6922
		struct bnx2x_fastpath *fp = &bp->fp[i];
		REG_WR8(bp,
			BAR_CSTRORM_INTMEM +
			CSTORM_STATUS_BLOCK_DATA_OFFSET(fp->fw_sb_id)
			+ pfunc_offset_fp + pfid_offset,
			HC_FUNCTION_DISABLED);
	}

	/* SP SB */
	REG_WR8(bp,
		BAR_CSTRORM_INTMEM +
		CSTORM_SP_STATUS_BLOCK_DATA_OFFSET(func) +
		pfunc_offset_sp + pfid_offset,
		HC_FUNCTION_DISABLED);


	for (i = 0; i < XSTORM_SPQ_DATA_SIZE / 4; i++)
		REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_DATA_OFFSET(func),
		       0);
6923 6924

	/* Configure IGU */
D
Dmitry Kravkov 已提交
6925 6926 6927 6928 6929 6930 6931
	if (bp->common.int_block == INT_BLOCK_HC) {
		REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0);
		REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0);
	} else {
		REG_WR(bp, IGU_REG_LEADING_EDGE_LATCH, 0);
		REG_WR(bp, IGU_REG_TRAILING_EDGE_LATCH, 0);
	}
6932

6933 6934 6935 6936 6937 6938 6939 6940 6941 6942 6943 6944 6945
#ifdef BCM_CNIC
	/* Disable Timer scan */
	REG_WR(bp, TM_REG_EN_LINEAR0_TIMER + port*4, 0);
	/*
	 * Wait for at least 10ms and up to 2 second for the timers scan to
	 * complete
	 */
	for (i = 0; i < 200; i++) {
		msleep(10);
		if (!REG_RD(bp, TM_REG_LIN0_SCAN_ON + port*4))
			break;
	}
#endif
6946
	/* Clear ILT */
D
Dmitry Kravkov 已提交
6947 6948 6949 6950 6951 6952 6953 6954 6955 6956 6957 6958 6959 6960 6961 6962 6963 6964 6965
	bnx2x_clear_func_ilt(bp, func);

	/* Timers workaround bug for E2: if this is vnic-3,
	 * we need to set the entire ilt range for this timers.
	 */
	if (CHIP_IS_E2(bp) && BP_VN(bp) == 3) {
		struct ilt_client_info ilt_cli;
		/* use dummy TM client */
		memset(&ilt_cli, 0, sizeof(struct ilt_client_info));
		ilt_cli.start = 0;
		ilt_cli.end = ILT_NUM_PAGE_ENTRIES - 1;
		ilt_cli.client_num = ILT_CLIENT_TM;

		bnx2x_ilt_boundry_init_op(bp, &ilt_cli, 0, INITOP_CLEAR);
	}

	/* this assumes that reset_port() called before reset_func()*/
	if (CHIP_IS_E2(bp))
		bnx2x_pf_disable(bp);
6966 6967

	bp->dmae_ready = 0;
6968 6969 6970 6971 6972 6973 6974 6975 6976 6977 6978 6979 6980 6981 6982 6983 6984 6985 6986 6987 6988 6989 6990
}

static void bnx2x_reset_port(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	u32 val;

	REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);

	/* Do not rcv packets to BRB */
	REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0);
	/* Do not direct rcv packets that are not for MCP to the BRB */
	REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP :
			   NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);

	/* Configure AEU */
	REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0);

	msleep(100);
	/* Check for BRB port occupancy */
	val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4);
	if (val)
		DP(NETIF_MSG_IFDOWN,
E
Eilon Greenstein 已提交
6991
		   "BRB1 is not empty  %d blocks are occupied\n", val);
6992 6993 6994 6995 6996 6997 6998

	/* TODO: Close Doorbell port? */
}

static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
{
	DP(BNX2X_MSG_MCP, "function %d  reset_code %x\n",
D
Dmitry Kravkov 已提交
6999
	   BP_ABS_FUNC(bp), reset_code);
7000 7001 7002 7003 7004 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015

	switch (reset_code) {
	case FW_MSG_CODE_DRV_UNLOAD_COMMON:
		bnx2x_reset_port(bp);
		bnx2x_reset_func(bp);
		bnx2x_reset_common(bp);
		break;

	case FW_MSG_CODE_DRV_UNLOAD_PORT:
		bnx2x_reset_port(bp);
		bnx2x_reset_func(bp);
		break;

	case FW_MSG_CODE_DRV_UNLOAD_FUNCTION:
		bnx2x_reset_func(bp);
		break;
7016

7017 7018 7019 7020 7021 7022
	default:
		BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
		break;
	}
}

V
Vladislav Zolotarov 已提交
7023 7024 7025 7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036
#ifdef BCM_CNIC
static inline void bnx2x_del_fcoe_eth_macs(struct bnx2x *bp)
{
	if (bp->flags & FCOE_MACS_SET) {
		if (!IS_MF_SD(bp))
			bnx2x_set_fip_eth_mac_addr(bp, 0);

		bnx2x_set_all_enode_macs(bp, 0);

		bp->flags &= ~FCOE_MACS_SET;
	}
}
#endif

D
Dmitry Kravkov 已提交
7037
void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
E
Eliezer Tamir 已提交
7038
{
7039
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
7040
	u32 reset_code = 0;
7041
	int i, cnt, rc;
E
Eliezer Tamir 已提交
7042

E
Eilon Greenstein 已提交
7043
	/* Wait until tx fastpath tasks complete */
V
Vladislav Zolotarov 已提交
7044
	for_each_tx_queue(bp, i) {
7045 7046
		struct bnx2x_fastpath *fp = &bp->fp[i];

7047
		cnt = 1000;
7048
		while (bnx2x_has_tx_work_unload(fp)) {
7049

7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060
			if (!cnt) {
				BNX2X_ERR("timeout waiting for queue[%d]\n",
					  i);
#ifdef BNX2X_STOP_ON_ERROR
				bnx2x_panic();
				return -EBUSY;
#else
				break;
#endif
			}
			cnt--;
7061
			msleep(1);
7062
		}
7063
	}
7064 7065
	/* Give HW time to discard old tx messages */
	msleep(1);
E
Eliezer Tamir 已提交
7066

7067
	bnx2x_set_eth_mac(bp, 0);
7068

7069
	bnx2x_invalidate_uc_list(bp);
7070

7071 7072 7073 7074 7075
	if (CHIP_IS_E1(bp))
		bnx2x_invalidate_e1_mc_list(bp);
	else {
		bnx2x_invalidate_e1h_mc_list(bp);
		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);
7076
	}
7077

7078
#ifdef BCM_CNIC
V
Vladislav Zolotarov 已提交
7079
	bnx2x_del_fcoe_eth_macs(bp);
7080
#endif
7081

7082 7083 7084
	if (unload_mode == UNLOAD_NORMAL)
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

7085
	else if (bp->flags & NO_WOL_FLAG)
7086 7087
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;

7088
	else if (bp->wol) {
7089 7090 7091 7092 7093 7094 7095 7096 7097 7098 7099 7100 7101 7102 7103 7104 7105 7106
		u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
		u8 *mac_addr = bp->dev->dev_addr;
		u32 val;
		/* The mac address is written to entries 1-4 to
		   preserve entry 0 which is used by the PMF */
		u8 entry = (BP_E1HVN(bp) + 1)*8;

		val = (mac_addr[0] << 8) | mac_addr[1];
		EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val);

		val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
		      (mac_addr[4] << 8) | mac_addr[5];
		EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val);

		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;

	} else
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
7107

7108 7109
	/* Close multi and leading connections
	   Completions for ramrods are collected in a synchronous way */
7110 7111 7112 7113 7114 7115
	for_each_queue(bp, i)

		if (bnx2x_stop_client(bp, i))
#ifdef BNX2X_STOP_ON_ERROR
			return;
#else
7116
			goto unload_error;
7117
#endif
E
Eliezer Tamir 已提交
7118

7119
	rc = bnx2x_func_stop(bp);
7120
	if (rc) {
7121
		BNX2X_ERR("Function stop failed!\n");
7122
#ifdef BNX2X_STOP_ON_ERROR
7123
		return;
7124 7125
#else
		goto unload_error;
7126
#endif
7127
	}
7128
#ifndef BNX2X_STOP_ON_ERROR
7129
unload_error:
7130
#endif
7131
	if (!BP_NOMCP(bp))
Y
Yaniv Rosner 已提交
7132
		reset_code = bnx2x_fw_command(bp, reset_code, 0);
7133
	else {
D
Dmitry Kravkov 已提交
7134 7135 7136 7137 7138 7139 7140 7141 7142 7143 7144 7145
		DP(NETIF_MSG_IFDOWN, "NO MCP - load counts[%d]      "
				     "%d, %d, %d\n", BP_PATH(bp),
		   load_count[BP_PATH(bp)][0],
		   load_count[BP_PATH(bp)][1],
		   load_count[BP_PATH(bp)][2]);
		load_count[BP_PATH(bp)][0]--;
		load_count[BP_PATH(bp)][1 + port]--;
		DP(NETIF_MSG_IFDOWN, "NO MCP - new load counts[%d]  "
				     "%d, %d, %d\n", BP_PATH(bp),
		   load_count[BP_PATH(bp)][0], load_count[BP_PATH(bp)][1],
		   load_count[BP_PATH(bp)][2]);
		if (load_count[BP_PATH(bp)][0] == 0)
7146
			reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
D
Dmitry Kravkov 已提交
7147
		else if (load_count[BP_PATH(bp)][1 + port] == 0)
7148 7149 7150 7151
			reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
		else
			reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
	}
E
Eliezer Tamir 已提交
7152

7153 7154 7155
	if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) ||
	    (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT))
		bnx2x__link_reset(bp);
E
Eliezer Tamir 已提交
7156

7157 7158 7159 7160
	/* Disable HW interrupts, NAPI */
	bnx2x_netif_stop(bp, 1);

	/* Release IRQs */
7161
	bnx2x_free_irq(bp);
7162

E
Eliezer Tamir 已提交
7163
	/* Reset the chip */
7164
	bnx2x_reset_chip(bp, reset_code);
E
Eliezer Tamir 已提交
7165 7166

	/* Report UNLOAD_DONE to MCP */
7167
	if (!BP_NOMCP(bp))
Y
Yaniv Rosner 已提交
7168
		bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
E
Eilon Greenstein 已提交
7169

7170 7171
}

D
Dmitry Kravkov 已提交
7172
void bnx2x_disable_close_the_gate(struct bnx2x *bp)
7173 7174 7175 7176 7177 7178 7179 7180 7181 7182 7183 7184 7185 7186 7187 7188 7189 7190 7191 7192 7193 7194 7195 7196 7197 7198 7199 7200 7201 7202 7203 7204 7205 7206 7207 7208 7209 7210 7211 7212 7213 7214 7215 7216 7217 7218 7219 7220 7221 7222 7223 7224 7225 7226 7227 7228 7229 7230
{
	u32 val;

	DP(NETIF_MSG_HW, "Disabling \"close the gates\"\n");

	if (CHIP_IS_E1(bp)) {
		int port = BP_PORT(bp);
		u32 addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			MISC_REG_AEU_MASK_ATTN_FUNC_0;

		val = REG_RD(bp, addr);
		val &= ~(0x300);
		REG_WR(bp, addr, val);
	} else if (CHIP_IS_E1H(bp)) {
		val = REG_RD(bp, MISC_REG_AEU_GENERAL_MASK);
		val &= ~(MISC_AEU_GENERAL_MASK_REG_AEU_PXP_CLOSE_MASK |
			 MISC_AEU_GENERAL_MASK_REG_AEU_NIG_CLOSE_MASK);
		REG_WR(bp, MISC_REG_AEU_GENERAL_MASK, val);
	}
}

/* Close gates #2, #3 and #4: */
static void bnx2x_set_234_gates(struct bnx2x *bp, bool close)
{
	u32 val, addr;

	/* Gates #2 and #4a are closed/opened for "not E1" only */
	if (!CHIP_IS_E1(bp)) {
		/* #4 */
		val = REG_RD(bp, PXP_REG_HST_DISCARD_DOORBELLS);
		REG_WR(bp, PXP_REG_HST_DISCARD_DOORBELLS,
		       close ? (val | 0x1) : (val & (~(u32)1)));
		/* #2 */
		val = REG_RD(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES);
		REG_WR(bp, PXP_REG_HST_DISCARD_INTERNAL_WRITES,
		       close ? (val | 0x1) : (val & (~(u32)1)));
	}

	/* #3 */
	addr = BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
	val = REG_RD(bp, addr);
	REG_WR(bp, addr, (!close) ? (val | 0x1) : (val & (~(u32)1)));

	DP(NETIF_MSG_HW, "%s gates #2, #3 and #4\n",
		close ? "closing" : "opening");
	mmiowb();
}

#define SHARED_MF_CLP_MAGIC  0x80000000 /* `magic' bit */

static void bnx2x_clp_reset_prep(struct bnx2x *bp, u32 *magic_val)
{
	/* Do some magic... */
	u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
	*magic_val = val & SHARED_MF_CLP_MAGIC;
	MF_CFG_WR(bp, shared_mf_config.clp_mb, val | SHARED_MF_CLP_MAGIC);
}

7231 7232
/**
 * bnx2x_clp_reset_done - restore the value of the `magic' bit.
7233
 *
7234 7235
 * @bp:		driver handle
 * @magic_val:	old value of the `magic' bit.
7236 7237 7238 7239 7240 7241 7242 7243 7244
 */
static void bnx2x_clp_reset_done(struct bnx2x *bp, u32 magic_val)
{
	/* Restore the `magic' bit value... */
	u32 val = MF_CFG_RD(bp, shared_mf_config.clp_mb);
	MF_CFG_WR(bp, shared_mf_config.clp_mb,
		(val & (~SHARED_MF_CLP_MAGIC)) | magic_val);
}

D
Dmitry Kravkov 已提交
7245
/**
7246
 * bnx2x_reset_mcp_prep - prepare for MCP reset.
7247
 *
7248 7249 7250 7251
 * @bp:		driver handle
 * @magic_val:	old value of 'magic' bit.
 *
 * Takes care of CLP configurations.
7252 7253 7254 7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265 7266 7267 7268 7269 7270 7271 7272 7273 7274 7275
 */
static void bnx2x_reset_mcp_prep(struct bnx2x *bp, u32 *magic_val)
{
	u32 shmem;
	u32 validity_offset;

	DP(NETIF_MSG_HW, "Starting\n");

	/* Set `magic' bit in order to save MF config */
	if (!CHIP_IS_E1(bp))
		bnx2x_clp_reset_prep(bp, magic_val);

	/* Get shmem offset */
	shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
	validity_offset = offsetof(struct shmem_region, validity_map[0]);

	/* Clear validity map flags */
	if (shmem > 0)
		REG_WR(bp, shmem + validity_offset, 0);
}

#define MCP_TIMEOUT      5000   /* 5 seconds (in ms) */
#define MCP_ONE_TIMEOUT  100    /* 100 ms */

7276 7277
/**
 * bnx2x_mcp_wait_one - wait for MCP_ONE_TIMEOUT
7278
 *
7279
 * @bp:	driver handle
7280 7281 7282 7283 7284 7285 7286 7287 7288 7289 7290 7291 7292 7293 7294 7295 7296 7297 7298 7299 7300 7301 7302 7303 7304 7305 7306 7307 7308 7309 7310 7311 7312 7313 7314 7315 7316 7317 7318 7319 7320 7321 7322 7323 7324 7325 7326 7327 7328 7329 7330 7331 7332 7333 7334 7335 7336 7337 7338 7339 7340 7341 7342 7343 7344 7345 7346 7347 7348 7349 7350 7351 7352 7353 7354 7355 7356 7357 7358 7359 7360 7361 7362 7363 7364 7365 7366 7367 7368 7369 7370 7371 7372 7373 7374 7375 7376 7377 7378 7379 7380 7381 7382 7383 7384 7385 7386 7387 7388 7389 7390 7391 7392 7393 7394 7395 7396 7397 7398 7399 7400 7401 7402 7403 7404 7405 7406 7407 7408 7409 7410 7411 7412 7413 7414 7415 7416 7417 7418 7419 7420 7421 7422 7423 7424 7425 7426 7427 7428 7429 7430 7431 7432 7433 7434 7435 7436 7437 7438 7439 7440 7441 7442 7443 7444 7445 7446 7447 7448 7449 7450 7451 7452 7453 7454 7455 7456 7457 7458 7459 7460 7461 7462 7463 7464 7465 7466 7467 7468 7469 7470 7471 7472 7473 7474 7475 7476 7477 7478 7479 7480
 */
static inline void bnx2x_mcp_wait_one(struct bnx2x *bp)
{
	/* special handling for emulation and FPGA,
	   wait 10 times longer */
	if (CHIP_REV_IS_SLOW(bp))
		msleep(MCP_ONE_TIMEOUT*10);
	else
		msleep(MCP_ONE_TIMEOUT);
}

static int bnx2x_reset_mcp_comp(struct bnx2x *bp, u32 magic_val)
{
	u32 shmem, cnt, validity_offset, val;
	int rc = 0;

	msleep(100);

	/* Get shmem offset */
	shmem = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
	if (shmem == 0) {
		BNX2X_ERR("Shmem 0 return failure\n");
		rc = -ENOTTY;
		goto exit_lbl;
	}

	validity_offset = offsetof(struct shmem_region, validity_map[0]);

	/* Wait for MCP to come up */
	for (cnt = 0; cnt < (MCP_TIMEOUT / MCP_ONE_TIMEOUT); cnt++) {
		/* TBD: its best to check validity map of last port.
		 * currently checks on port 0.
		 */
		val = REG_RD(bp, shmem + validity_offset);
		DP(NETIF_MSG_HW, "shmem 0x%x validity map(0x%x)=0x%x\n", shmem,
		   shmem + validity_offset, val);

		/* check that shared memory is valid. */
		if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		    == (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
			break;

		bnx2x_mcp_wait_one(bp);
	}

	DP(NETIF_MSG_HW, "Cnt=%d Shmem validity map 0x%x\n", cnt, val);

	/* Check that shared memory is valid. This indicates that MCP is up. */
	if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) !=
	    (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
		BNX2X_ERR("Shmem signature not present. MCP is not up !!\n");
		rc = -ENOTTY;
		goto exit_lbl;
	}

exit_lbl:
	/* Restore the `magic' bit value */
	if (!CHIP_IS_E1(bp))
		bnx2x_clp_reset_done(bp, magic_val);

	return rc;
}

static void bnx2x_pxp_prep(struct bnx2x *bp)
{
	if (!CHIP_IS_E1(bp)) {
		REG_WR(bp, PXP2_REG_RD_START_INIT, 0);
		REG_WR(bp, PXP2_REG_RQ_RBC_DONE, 0);
		REG_WR(bp, PXP2_REG_RQ_CFG_DONE, 0);
		mmiowb();
	}
}

/*
 * Reset the whole chip except for:
 *      - PCIE core
 *      - PCI Glue, PSWHST, PXP/PXP2 RF (all controlled by
 *              one reset bit)
 *      - IGU
 *      - MISC (including AEU)
 *      - GRC
 *      - RBCN, RBCP
 */
static void bnx2x_process_kill_chip_reset(struct bnx2x *bp)
{
	u32 not_reset_mask1, reset_mask1, not_reset_mask2, reset_mask2;

	not_reset_mask1 =
		MISC_REGISTERS_RESET_REG_1_RST_HC |
		MISC_REGISTERS_RESET_REG_1_RST_PXPV |
		MISC_REGISTERS_RESET_REG_1_RST_PXP;

	not_reset_mask2 =
		MISC_REGISTERS_RESET_REG_2_RST_MDIO |
		MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE |
		MISC_REGISTERS_RESET_REG_2_RST_EMAC1_HARD_CORE |
		MISC_REGISTERS_RESET_REG_2_RST_MISC_CORE |
		MISC_REGISTERS_RESET_REG_2_RST_RBCN |
		MISC_REGISTERS_RESET_REG_2_RST_GRC  |
		MISC_REGISTERS_RESET_REG_2_RST_MCP_N_RESET_REG_HARD_CORE |
		MISC_REGISTERS_RESET_REG_2_RST_MCP_N_HARD_CORE_RST_B;

	reset_mask1 = 0xffffffff;

	if (CHIP_IS_E1(bp))
		reset_mask2 = 0xffff;
	else
		reset_mask2 = 0x1ffff;

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
	       reset_mask1 & (~not_reset_mask1));
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
	       reset_mask2 & (~not_reset_mask2));

	barrier();
	mmiowb();

	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, reset_mask1);
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, reset_mask2);
	mmiowb();
}

static int bnx2x_process_kill(struct bnx2x *bp)
{
	int cnt = 1000;
	u32 val = 0;
	u32 sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1, pgl_exp_rom2;


	/* Empty the Tetris buffer, wait for 1s */
	do {
		sr_cnt  = REG_RD(bp, PXP2_REG_RD_SR_CNT);
		blk_cnt = REG_RD(bp, PXP2_REG_RD_BLK_CNT);
		port_is_idle_0 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_0);
		port_is_idle_1 = REG_RD(bp, PXP2_REG_RD_PORT_IS_IDLE_1);
		pgl_exp_rom2 = REG_RD(bp, PXP2_REG_PGL_EXP_ROM2);
		if ((sr_cnt == 0x7e) && (blk_cnt == 0xa0) &&
		    ((port_is_idle_0 & 0x1) == 0x1) &&
		    ((port_is_idle_1 & 0x1) == 0x1) &&
		    (pgl_exp_rom2 == 0xffffffff))
			break;
		msleep(1);
	} while (cnt-- > 0);

	if (cnt <= 0) {
		DP(NETIF_MSG_HW, "Tetris buffer didn't get empty or there"
			  " are still"
			  " outstanding read requests after 1s!\n");
		DP(NETIF_MSG_HW, "sr_cnt=0x%08x, blk_cnt=0x%08x,"
			  " port_is_idle_0=0x%08x,"
			  " port_is_idle_1=0x%08x, pgl_exp_rom2=0x%08x\n",
			  sr_cnt, blk_cnt, port_is_idle_0, port_is_idle_1,
			  pgl_exp_rom2);
		return -EAGAIN;
	}

	barrier();

	/* Close gates #2, #3 and #4 */
	bnx2x_set_234_gates(bp, true);

	/* TBD: Indicate that "process kill" is in progress to MCP */

	/* Clear "unprepared" bit */
	REG_WR(bp, MISC_REG_UNPREPARED, 0);
	barrier();

	/* Make sure all is written to the chip before the reset */
	mmiowb();

	/* Wait for 1ms to empty GLUE and PCI-E core queues,
	 * PSWHST, GRC and PSWRD Tetris buffer.
	 */
	msleep(1);

	/* Prepare to chip reset: */
	/* MCP */
	bnx2x_reset_mcp_prep(bp, &val);

	/* PXP */
	bnx2x_pxp_prep(bp);
	barrier();

	/* reset the chip */
	bnx2x_process_kill_chip_reset(bp);
	barrier();

	/* Recover after reset: */
	/* MCP */
	if (bnx2x_reset_mcp_comp(bp, val))
		return -EAGAIN;

	/* PXP */
	bnx2x_pxp_prep(bp);

	/* Open the gates #2, #3 and #4 */
	bnx2x_set_234_gates(bp, false);

	/* TBD: IGU/AEU preparation bring back the AEU/IGU to a
	 * reset state, re-enable attentions. */

E
Eliezer Tamir 已提交
7481 7482 7483
	return 0;
}

7484 7485 7486 7487 7488 7489 7490 7491 7492 7493 7494 7495 7496 7497 7498 7499 7500 7501 7502 7503 7504 7505 7506 7507 7508 7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519 7520 7521 7522 7523 7524 7525 7526 7527 7528 7529 7530 7531 7532 7533 7534 7535 7536 7537 7538 7539 7540 7541 7542 7543 7544 7545 7546 7547 7548 7549 7550 7551 7552 7553 7554 7555 7556 7557 7558 7559 7560 7561 7562 7563 7564 7565 7566 7567 7568 7569 7570 7571 7572 7573 7574 7575 7576 7577 7578 7579 7580 7581 7582 7583 7584 7585 7586 7587 7588 7589 7590 7591 7592 7593 7594 7595 7596 7597 7598 7599 7600 7601 7602 7603 7604 7605 7606 7607 7608 7609 7610 7611 7612
static int bnx2x_leader_reset(struct bnx2x *bp)
{
	int rc = 0;
	/* Try to recover after the failure */
	if (bnx2x_process_kill(bp)) {
		printk(KERN_ERR "%s: Something bad had happen! Aii!\n",
		       bp->dev->name);
		rc = -EAGAIN;
		goto exit_leader_reset;
	}

	/* Clear "reset is in progress" bit and update the driver state */
	bnx2x_set_reset_done(bp);
	bp->recovery_state = BNX2X_RECOVERY_DONE;

exit_leader_reset:
	bp->is_leader = 0;
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESERVED_08);
	smp_wmb();
	return rc;
}

/* Assumption: runs under rtnl lock. This together with the fact
 * that it's called only from bnx2x_reset_task() ensure that it
 * will never be called when netif_running(bp->dev) is false.
 */
static void bnx2x_parity_recover(struct bnx2x *bp)
{
	DP(NETIF_MSG_HW, "Handling parity\n");
	while (1) {
		switch (bp->recovery_state) {
		case BNX2X_RECOVERY_INIT:
			DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_INIT\n");
			/* Try to get a LEADER_LOCK HW lock */
			if (bnx2x_trylock_hw_lock(bp,
				HW_LOCK_RESOURCE_RESERVED_08))
				bp->is_leader = 1;

			/* Stop the driver */
			/* If interface has been removed - break */
			if (bnx2x_nic_unload(bp, UNLOAD_RECOVERY))
				return;

			bp->recovery_state = BNX2X_RECOVERY_WAIT;
			/* Ensure "is_leader" and "recovery_state"
			 *  update values are seen on other CPUs
			 */
			smp_wmb();
			break;

		case BNX2X_RECOVERY_WAIT:
			DP(NETIF_MSG_HW, "State is BNX2X_RECOVERY_WAIT\n");
			if (bp->is_leader) {
				u32 load_counter = bnx2x_get_load_cnt(bp);
				if (load_counter) {
					/* Wait until all other functions get
					 * down.
					 */
					schedule_delayed_work(&bp->reset_task,
								HZ/10);
					return;
				} else {
					/* If all other functions got down -
					 * try to bring the chip back to
					 * normal. In any case it's an exit
					 * point for a leader.
					 */
					if (bnx2x_leader_reset(bp) ||
					bnx2x_nic_load(bp, LOAD_NORMAL)) {
						printk(KERN_ERR"%s: Recovery "
						"has failed. Power cycle is "
						"needed.\n", bp->dev->name);
						/* Disconnect this device */
						netif_device_detach(bp->dev);
						/* Block ifup for all function
						 * of this ASIC until
						 * "process kill" or power
						 * cycle.
						 */
						bnx2x_set_reset_in_progress(bp);
						/* Shut down the power */
						bnx2x_set_power_state(bp,
								PCI_D3hot);
						return;
					}

					return;
				}
			} else { /* non-leader */
				if (!bnx2x_reset_is_done(bp)) {
					/* Try to get a LEADER_LOCK HW lock as
					 * long as a former leader may have
					 * been unloaded by the user or
					 * released a leadership by another
					 * reason.
					 */
					if (bnx2x_trylock_hw_lock(bp,
					    HW_LOCK_RESOURCE_RESERVED_08)) {
						/* I'm a leader now! Restart a
						 * switch case.
						 */
						bp->is_leader = 1;
						break;
					}

					schedule_delayed_work(&bp->reset_task,
								HZ/10);
					return;

				} else { /* A leader has completed
					  * the "process kill". It's an exit
					  * point for a non-leader.
					  */
					bnx2x_nic_load(bp, LOAD_NORMAL);
					bp->recovery_state =
						BNX2X_RECOVERY_DONE;
					smp_wmb();
					return;
				}
			}
		default:
			return;
		}
	}
}

/* bnx2x_nic_unload() flushes the bnx2x_wq, thus reset task is
 * scheduled on a general queue in order to prevent a dead lock.
 */
7613 7614
static void bnx2x_reset_task(struct work_struct *work)
{
7615
	struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
7616 7617 7618 7619

#ifdef BNX2X_STOP_ON_ERROR
	BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
		  " so reset not done to allow debug dump,\n"
7620
	 KERN_ERR " you will need to reboot when done\n");
7621 7622 7623 7624 7625 7626 7627 7628
	return;
#endif

	rtnl_lock();

	if (!netif_running(bp->dev))
		goto reset_task_exit;

7629 7630 7631 7632 7633 7634
	if (unlikely(bp->recovery_state != BNX2X_RECOVERY_DONE))
		bnx2x_parity_recover(bp);
	else {
		bnx2x_nic_unload(bp, UNLOAD_NORMAL);
		bnx2x_nic_load(bp, LOAD_NORMAL);
	}
7635 7636 7637 7638 7639

reset_task_exit:
	rtnl_unlock();
}

E
Eliezer Tamir 已提交
7640 7641 7642 7643 7644 7645
/* end of nic load/unload */

/*
 * Init service functions
 */

7646
static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
D
Dmitry Kravkov 已提交
7647 7648 7649 7650
{
	u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
	u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
	return base + (BP_ABS_FUNC(bp)) * stride;
7651 7652
}

D
Dmitry Kravkov 已提交
7653
static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
7654
{
D
Dmitry Kravkov 已提交
7655
	u32 reg = bnx2x_get_pretend_reg(bp);
7656 7657 7658 7659 7660 7661

	/* Flush all outstanding writes */
	mmiowb();

	/* Pretend to be function 0 */
	REG_WR(bp, reg, 0);
D
Dmitry Kravkov 已提交
7662
	REG_RD(bp, reg);	/* Flush the GRC transaction (in the chip) */
7663 7664 7665 7666 7667 7668 7669

	/* From now we are in the "like-E1" mode */
	bnx2x_int_disable(bp);

	/* Flush all outstanding writes */
	mmiowb();

D
Dmitry Kravkov 已提交
7670 7671 7672
	/* Restore the original function */
	REG_WR(bp, reg, BP_ABS_FUNC(bp));
	REG_RD(bp, reg);
7673 7674
}

D
Dmitry Kravkov 已提交
7675
static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
7676
{
D
Dmitry Kravkov 已提交
7677
	if (CHIP_IS_E1(bp))
7678
		bnx2x_int_disable(bp);
D
Dmitry Kravkov 已提交
7679 7680
	else
		bnx2x_undi_int_disable_e1h(bp);
7681 7682
}

7683 7684 7685 7686 7687 7688 7689 7690 7691 7692
static void __devinit bnx2x_undi_unload(struct bnx2x *bp)
{
	u32 val;

	/* Check if there is any driver already loaded */
	val = REG_RD(bp, MISC_REG_UNPREPARED);
	if (val == 0x1) {
		/* Check if it is the UNDI driver
		 * UNDI driver initializes CID offset for normal bell to 0x7
		 */
Y
Yitchak Gertner 已提交
7693
		bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7694 7695 7696
		val = REG_RD(bp, DORQ_REG_NORM_CID_OFST);
		if (val == 0x7) {
			u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
D
Dmitry Kravkov 已提交
7697 7698
			/* save our pf_num */
			int orig_pf_num = bp->pf_num;
7699 7700
			u32 swap_en;
			u32 swap_val;
7701

7702 7703 7704
			/* clear the UNDI indication */
			REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);

7705 7706 7707
			BNX2X_DEV_INFO("UNDI is active! reset device\n");

			/* try unload UNDI on port 0 */
D
Dmitry Kravkov 已提交
7708
			bp->pf_num = 0;
7709
			bp->fw_seq =
D
Dmitry Kravkov 已提交
7710
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7711
				DRV_MSG_SEQ_NUMBER_MASK);
Y
Yaniv Rosner 已提交
7712
			reset_code = bnx2x_fw_command(bp, reset_code, 0);
7713 7714 7715 7716

			/* if UNDI is loaded on the other port */
			if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {

7717
				/* send "DONE" for previous unload */
Y
Yaniv Rosner 已提交
7718 7719
				bnx2x_fw_command(bp,
						 DRV_MSG_CODE_UNLOAD_DONE, 0);
7720 7721

				/* unload UNDI on port 1 */
D
Dmitry Kravkov 已提交
7722
				bp->pf_num = 1;
7723
				bp->fw_seq =
D
Dmitry Kravkov 已提交
7724
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7725 7726 7727
					DRV_MSG_SEQ_NUMBER_MASK);
				reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

Y
Yaniv Rosner 已提交
7728
				bnx2x_fw_command(bp, reset_code, 0);
7729 7730
			}

7731 7732 7733
			/* now it's safe to release the lock */
			bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);

D
Dmitry Kravkov 已提交
7734
			bnx2x_undi_int_disable(bp);
7735 7736 7737 7738 7739 7740 7741 7742 7743 7744 7745 7746 7747 7748 7749 7750 7751 7752 7753 7754

			/* close input traffic and wait for it */
			/* Do not rcv packets to BRB */
			REG_WR(bp,
			      (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
					     NIG_REG_LLH0_BRB1_DRV_MASK), 0x0);
			/* Do not direct rcv packets that are not for MCP to
			 * the BRB */
			REG_WR(bp,
			       (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP :
					      NIG_REG_LLH0_BRB1_NOT_MCP), 0x0);
			/* clear AEU */
			REG_WR(bp,
			     (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
					    MISC_REG_AEU_MASK_ATTN_FUNC_0), 0);
			msleep(10);

			/* save NIG port swap info */
			swap_val = REG_RD(bp, NIG_REG_PORT_SWAP);
			swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE);
7755 7756 7757
			/* reset device */
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7758
			       0xd3ffffff);
7759 7760 7761
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
			       0x1403);
7762 7763 7764 7765 7766 7767 7768 7769
			/* take the NIG out of reset and restore swap values */
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET,
			       MISC_REGISTERS_RESET_REG_1_RST_NIG);
			REG_WR(bp, NIG_REG_PORT_SWAP, swap_val);
			REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en);

			/* send unload done to the MCP */
Y
Yaniv Rosner 已提交
7770
			bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7771 7772

			/* restore our func and fw_seq */
D
Dmitry Kravkov 已提交
7773
			bp->pf_num = orig_pf_num;
7774
			bp->fw_seq =
D
Dmitry Kravkov 已提交
7775
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7776
				DRV_MSG_SEQ_NUMBER_MASK);
7777 7778
		} else
			bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7779 7780 7781 7782 7783 7784
	}
}

static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
{
	u32 val, val2, val3, val4, id;
E
Eilon Greenstein 已提交
7785
	u16 pmc;
7786 7787 7788 7789 7790 7791 7792 7793 7794

	/* Get the chip revision id and number. */
	/* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */
	val = REG_RD(bp, MISC_REG_CHIP_NUM);
	id = ((val & 0xffff) << 16);
	val = REG_RD(bp, MISC_REG_CHIP_REV);
	id |= ((val & 0xf) << 12);
	val = REG_RD(bp, MISC_REG_CHIP_METAL);
	id |= ((val & 0xff) << 4);
E
Eilon Greenstein 已提交
7795
	val = REG_RD(bp, MISC_REG_BOND_ID);
7796 7797
	id |= (val & 0xf);
	bp->common.chip_id = id;
7798 7799 7800 7801

	/* Set doorbell size */
	bp->db_size = (1 << BNX2X_DB_SHIFT);

D
Dmitry Kravkov 已提交
7802 7803 7804 7805 7806 7807 7808 7809 7810 7811 7812 7813 7814 7815 7816 7817 7818 7819 7820 7821
	if (CHIP_IS_E2(bp)) {
		val = REG_RD(bp, MISC_REG_PORT4MODE_EN_OVWR);
		if ((val & 1) == 0)
			val = REG_RD(bp, MISC_REG_PORT4MODE_EN);
		else
			val = (val >> 1) & 1;
		BNX2X_DEV_INFO("chip is in %s\n", val ? "4_PORT_MODE" :
						       "2_PORT_MODE");
		bp->common.chip_port_mode = val ? CHIP_4_PORT_MODE :
						 CHIP_2_PORT_MODE;

		if (CHIP_MODE_IS_4_PORT(bp))
			bp->pfid = (bp->pf_num >> 1);	/* 0..3 */
		else
			bp->pfid = (bp->pf_num & 0x6);	/* 0, 2, 4, 6 */
	} else {
		bp->common.chip_port_mode = CHIP_PORT_MODE_NONE; /* N/A */
		bp->pfid = bp->pf_num;			/* 0..7 */
	}

7822 7823 7824 7825 7826
	/*
	 * set base FW non-default (fast path) status block id, this value is
	 * used to initialize the fw_sb_id saved on the fp/queue structure to
	 * determine the id used by the FW.
	 */
D
Dmitry Kravkov 已提交
7827 7828 7829 7830 7831 7832 7833
	if (CHIP_IS_E1x(bp))
		bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E1x;
	else /* E2 */
		bp->base_fw_ndsb = BP_PORT(bp) * FP_SB_MAX_E2;

	bp->link_params.chip_id = bp->common.chip_id;
	BNX2X_DEV_INFO("chip ID is 0x%x\n", id);
7834

7835 7836 7837 7838 7839 7840 7841
	val = (REG_RD(bp, 0x2874) & 0x55);
	if ((bp->common.chip_id & 0x1) ||
	    (CHIP_IS_E1(bp) && val) || (CHIP_IS_E1H(bp) && (val == 0x55))) {
		bp->flags |= ONE_PORT_FLAG;
		BNX2X_DEV_INFO("single port device\n");
	}

7842 7843 7844 7845 7846 7847 7848
	val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4);
	bp->common.flash_size = (NVRAM_1MB_SIZE <<
				 (val & MCPR_NVM_CFG4_FLASH_SIZE));
	BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
		       bp->common.flash_size, bp->common.flash_size);

	bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
D
Dmitry Kravkov 已提交
7849 7850 7851
	bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
					MISC_REG_GENERIC_CR_1 :
					MISC_REG_GENERIC_CR_0));
7852
	bp->link_params.shmem_base = bp->common.shmem_base;
Y
Yaniv Rosner 已提交
7853
	bp->link_params.shmem2_base = bp->common.shmem2_base;
7854 7855
	BNX2X_DEV_INFO("shmem offset 0x%x  shmem2 offset 0x%x\n",
		       bp->common.shmem_base, bp->common.shmem2_base);
7856

D
Dmitry Kravkov 已提交
7857
	if (!bp->common.shmem_base) {
7858 7859 7860 7861 7862 7863 7864 7865
		BNX2X_DEV_INFO("MCP not active\n");
		bp->flags |= NO_MCP_FLAG;
		return;
	}

	val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
	if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		!= (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
D
Dmitry Kravkov 已提交
7866
		BNX2X_ERR("BAD MCP validity signature\n");
7867 7868

	bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
7869
	BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
7870 7871 7872 7873 7874

	bp->link_params.hw_led_mode = ((bp->common.hw_config &
					SHARED_HW_CFG_LED_MODE_MASK) >>
				       SHARED_HW_CFG_LED_MODE_SHIFT);

7875 7876 7877 7878 7879 7880 7881 7882 7883
	bp->link_params.feature_config_flags = 0;
	val = SHMEM_RD(bp, dev_info.shared_feature_config.config);
	if (val & SHARED_FEAT_CFG_OVERRIDE_PREEMPHASIS_CFG_ENABLED)
		bp->link_params.feature_config_flags |=
				FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;
	else
		bp->link_params.feature_config_flags &=
				~FEATURE_CONFIG_OVERRIDE_PREEMPHASIS_ENABLED;

7884 7885 7886 7887 7888 7889
	val = SHMEM_RD(bp, dev_info.bc_rev) >> 8;
	bp->common.bc_ver = val;
	BNX2X_DEV_INFO("bc_ver %X\n", val);
	if (val < BNX2X_BC_VER) {
		/* for now only warn
		 * later we might need to enforce this */
D
Dmitry Kravkov 已提交
7890 7891
		BNX2X_ERR("This driver needs bc_ver %X but found %X, "
			  "please upgrade BC\n", BNX2X_BC_VER, val);
7892
	}
E
Eilon Greenstein 已提交
7893
	bp->link_params.feature_config_flags |=
Y
Yaniv Rosner 已提交
7894
				(val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
D
Dmitry Kravkov 已提交
7895 7896
				FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;

Y
Yaniv Rosner 已提交
7897 7898 7899
	bp->link_params.feature_config_flags |=
		(val >= REQ_BC_VER_4_VRFY_SPECIFIC_PHY_OPT_MDL) ?
		FEATURE_CONFIG_BC_SUPPORTS_DUAL_PHY_OPT_MDL_VRFY : 0;
E
Eilon Greenstein 已提交
7900

7901 7902 7903
	pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc);
	bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG;

E
Eilon Greenstein 已提交
7904
	BNX2X_DEV_INFO("%sWoL capable\n",
E
Eilon Greenstein 已提交
7905
		       (bp->flags & NO_WOL_FLAG) ? "not " : "");
7906 7907 7908 7909 7910 7911

	val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num);
	val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]);
	val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]);
	val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]);

V
Vladislav Zolotarov 已提交
7912 7913
	dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
		 val, val2, val3, val4);
7914 7915
}

D
Dmitry Kravkov 已提交
7916 7917 7918 7919 7920 7921 7922 7923 7924 7925 7926 7927 7928 7929 7930
#define IGU_FID(val)	GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID)
#define IGU_VEC(val)	GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)

static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp)
{
	int pfid = BP_FUNC(bp);
	int vn = BP_E1HVN(bp);
	int igu_sb_id;
	u32 val;
	u8 fid;

	bp->igu_base_sb = 0xff;
	bp->igu_sb_cnt = 0;
	if (CHIP_INT_MODE_IS_BC(bp)) {
		bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
V
Vladislav Zolotarov 已提交
7931
				       NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
D
Dmitry Kravkov 已提交
7932 7933 7934 7935 7936 7937 7938 7939 7940 7941 7942 7943 7944 7945 7946 7947 7948 7949 7950 7951 7952 7953 7954 7955 7956 7957 7958 7959 7960 7961

		bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) *
			FP_SB_MAX_E1x;

		bp->igu_dsb_id =  E1HVN_MAX * FP_SB_MAX_E1x +
			(CHIP_MODE_IS_4_PORT(bp) ? pfid : vn);

		return;
	}

	/* IGU in normal mode - read CAM */
	for (igu_sb_id = 0; igu_sb_id < IGU_REG_MAPPING_MEMORY_SIZE;
	     igu_sb_id++) {
		val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + igu_sb_id * 4);
		if (!(val & IGU_REG_MAPPING_MEMORY_VALID))
			continue;
		fid = IGU_FID(val);
		if ((fid & IGU_FID_ENCODE_IS_PF)) {
			if ((fid & IGU_FID_PF_NUM_MASK) != pfid)
				continue;
			if (IGU_VEC(val) == 0)
				/* default status block */
				bp->igu_dsb_id = igu_sb_id;
			else {
				if (bp->igu_base_sb == 0xff)
					bp->igu_base_sb = igu_sb_id;
				bp->igu_sb_cnt++;
			}
		}
	}
V
Vladislav Zolotarov 已提交
7962 7963
	bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
				   NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
D
Dmitry Kravkov 已提交
7964 7965 7966 7967
	if (bp->igu_sb_cnt == 0)
		BNX2X_ERR("CAM configuration error\n");
}

7968 7969
static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
						    u32 switch_cfg)
E
Eliezer Tamir 已提交
7970
{
Y
Yaniv Rosner 已提交
7971 7972 7973 7974 7975
	int cfg_size = 0, idx, port = BP_PORT(bp);

	/* Aggregation of supported attributes of all external phys */
	bp->port.supported[0] = 0;
	bp->port.supported[1] = 0;
Y
Yaniv Rosner 已提交
7976 7977
	switch (bp->link_params.num_phys) {
	case 1:
Y
Yaniv Rosner 已提交
7978 7979 7980
		bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
		cfg_size = 1;
		break;
Y
Yaniv Rosner 已提交
7981
	case 2:
Y
Yaniv Rosner 已提交
7982 7983 7984 7985 7986 7987 7988 7989 7990 7991 7992 7993 7994 7995 7996 7997 7998 7999
		bp->port.supported[0] = bp->link_params.phy[EXT_PHY1].supported;
		cfg_size = 1;
		break;
	case 3:
		if (bp->link_params.multi_phy_config &
		    PORT_HW_CFG_PHY_SWAPPED_ENABLED) {
			bp->port.supported[1] =
				bp->link_params.phy[EXT_PHY1].supported;
			bp->port.supported[0] =
				bp->link_params.phy[EXT_PHY2].supported;
		} else {
			bp->port.supported[0] =
				bp->link_params.phy[EXT_PHY1].supported;
			bp->port.supported[1] =
				bp->link_params.phy[EXT_PHY2].supported;
		}
		cfg_size = 2;
		break;
Y
Yaniv Rosner 已提交
8000
	}
E
Eliezer Tamir 已提交
8001

Y
Yaniv Rosner 已提交
8002
	if (!(bp->port.supported[0] || bp->port.supported[1])) {
Y
Yaniv Rosner 已提交
8003
		BNX2X_ERR("NVRAM config error. BAD phy config."
Y
Yaniv Rosner 已提交
8004
			  "PHY1 config 0x%x, PHY2 config 0x%x\n",
Y
Yaniv Rosner 已提交
8005
			   SHMEM_RD(bp,
Y
Yaniv Rosner 已提交
8006 8007 8008
			   dev_info.port_hw_config[port].external_phy_config),
			   SHMEM_RD(bp,
			   dev_info.port_hw_config[port].external_phy_config2));
E
Eliezer Tamir 已提交
8009
			return;
D
Dmitry Kravkov 已提交
8010
	}
E
Eliezer Tamir 已提交
8011

Y
Yaniv Rosner 已提交
8012 8013
	switch (switch_cfg) {
	case SWITCH_CFG_1G:
8014 8015 8016
		bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR +
					   port*0x10);
		BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
E
Eliezer Tamir 已提交
8017 8018 8019
		break;

	case SWITCH_CFG_10G:
8020 8021 8022
		bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR +
					   port*0x18);
		BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr);
E
Eliezer Tamir 已提交
8023 8024 8025 8026
		break;

	default:
		BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Y
Yaniv Rosner 已提交
8027
			  bp->port.link_config[0]);
E
Eliezer Tamir 已提交
8028 8029
		return;
	}
Y
Yaniv Rosner 已提交
8030 8031 8032
	/* mask what we support according to speed_cap_mask per configuration */
	for (idx = 0; idx < cfg_size; idx++) {
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8033
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Y
Yaniv Rosner 已提交
8034
			bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
E
Eliezer Tamir 已提交
8035

Y
Yaniv Rosner 已提交
8036
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8037
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Y
Yaniv Rosner 已提交
8038
			bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
E
Eliezer Tamir 已提交
8039

Y
Yaniv Rosner 已提交
8040
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8041
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Y
Yaniv Rosner 已提交
8042
			bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
E
Eliezer Tamir 已提交
8043

Y
Yaniv Rosner 已提交
8044
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8045
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Y
Yaniv Rosner 已提交
8046
			bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
E
Eliezer Tamir 已提交
8047

Y
Yaniv Rosner 已提交
8048
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8049
					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Y
Yaniv Rosner 已提交
8050
			bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
D
Dmitry Kravkov 已提交
8051
						     SUPPORTED_1000baseT_Full);
E
Eliezer Tamir 已提交
8052

Y
Yaniv Rosner 已提交
8053
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8054
					PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Y
Yaniv Rosner 已提交
8055
			bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
E
Eliezer Tamir 已提交
8056

Y
Yaniv Rosner 已提交
8057
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8058
					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Y
Yaniv Rosner 已提交
8059 8060 8061
			bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;

	}
E
Eliezer Tamir 已提交
8062

Y
Yaniv Rosner 已提交
8063 8064
	BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
		       bp->port.supported[1]);
E
Eliezer Tamir 已提交
8065 8066
}

8067
static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
E
Eliezer Tamir 已提交
8068
{
Y
Yaniv Rosner 已提交
8069 8070 8071 8072 8073 8074 8075 8076 8077 8078 8079 8080 8081 8082 8083 8084
	u32 link_config, idx, cfg_size = 0;
	bp->port.advertising[0] = 0;
	bp->port.advertising[1] = 0;
	switch (bp->link_params.num_phys) {
	case 1:
	case 2:
		cfg_size = 1;
		break;
	case 3:
		cfg_size = 2;
		break;
	}
	for (idx = 0; idx < cfg_size; idx++) {
		bp->link_params.req_duplex[idx] = DUPLEX_FULL;
		link_config = bp->port.link_config[idx];
		switch (link_config & PORT_FEATURE_LINK_SPEED_MASK) {
D
Dmitry Kravkov 已提交
8085
		case PORT_FEATURE_LINK_SPEED_AUTO:
Y
Yaniv Rosner 已提交
8086 8087 8088 8089 8090
			if (bp->port.supported[idx] & SUPPORTED_Autoneg) {
				bp->link_params.req_line_speed[idx] =
					SPEED_AUTO_NEG;
				bp->port.advertising[idx] |=
					bp->port.supported[idx];
D
Dmitry Kravkov 已提交
8091 8092
			} else {
				/* force 10G, no AN */
Y
Yaniv Rosner 已提交
8093 8094 8095 8096
				bp->link_params.req_line_speed[idx] =
					SPEED_10000;
				bp->port.advertising[idx] |=
					(ADVERTISED_10000baseT_Full |
D
Dmitry Kravkov 已提交
8097
					 ADVERTISED_FIBRE);
Y
Yaniv Rosner 已提交
8098
				continue;
D
Dmitry Kravkov 已提交
8099 8100
			}
			break;
E
Eliezer Tamir 已提交
8101

D
Dmitry Kravkov 已提交
8102
		case PORT_FEATURE_LINK_SPEED_10M_FULL:
Y
Yaniv Rosner 已提交
8103 8104 8105 8106 8107
			if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_10;
				bp->port.advertising[idx] |=
					(ADVERTISED_10baseT_Full |
D
Dmitry Kravkov 已提交
8108 8109 8110 8111 8112 8113
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
					    "Invalid link_config 0x%x"
					    "  speed_cap_mask 0x%x\n",
					    link_config,
Y
Yaniv Rosner 已提交
8114
				    bp->link_params.speed_cap_mask[idx]);
D
Dmitry Kravkov 已提交
8115 8116 8117
				return;
			}
			break;
E
Eliezer Tamir 已提交
8118

D
Dmitry Kravkov 已提交
8119
		case PORT_FEATURE_LINK_SPEED_10M_HALF:
Y
Yaniv Rosner 已提交
8120 8121 8122 8123 8124 8125 8126
			if (bp->port.supported[idx] & SUPPORTED_10baseT_Half) {
				bp->link_params.req_line_speed[idx] =
					SPEED_10;
				bp->link_params.req_duplex[idx] =
					DUPLEX_HALF;
				bp->port.advertising[idx] |=
					(ADVERTISED_10baseT_Half |
D
Dmitry Kravkov 已提交
8127 8128 8129 8130 8131 8132 8133 8134 8135 8136
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
					    "Invalid link_config 0x%x"
					    "  speed_cap_mask 0x%x\n",
					    link_config,
					  bp->link_params.speed_cap_mask[idx]);
				return;
			}
			break;
E
Eliezer Tamir 已提交
8137

D
Dmitry Kravkov 已提交
8138 8139 8140
		case PORT_FEATURE_LINK_SPEED_100M_FULL:
			if (bp->port.supported[idx] &
			    SUPPORTED_100baseT_Full) {
Y
Yaniv Rosner 已提交
8141 8142 8143 8144
				bp->link_params.req_line_speed[idx] =
					SPEED_100;
				bp->port.advertising[idx] |=
					(ADVERTISED_100baseT_Full |
D
Dmitry Kravkov 已提交
8145 8146 8147 8148 8149 8150 8151 8152 8153 8154
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
					    "Invalid link_config 0x%x"
					    "  speed_cap_mask 0x%x\n",
					    link_config,
					  bp->link_params.speed_cap_mask[idx]);
				return;
			}
			break;
E
Eliezer Tamir 已提交
8155

D
Dmitry Kravkov 已提交
8156 8157 8158 8159 8160 8161 8162
		case PORT_FEATURE_LINK_SPEED_100M_HALF:
			if (bp->port.supported[idx] &
			    SUPPORTED_100baseT_Half) {
				bp->link_params.req_line_speed[idx] =
								SPEED_100;
				bp->link_params.req_duplex[idx] =
								DUPLEX_HALF;
Y
Yaniv Rosner 已提交
8163 8164
				bp->port.advertising[idx] |=
					(ADVERTISED_100baseT_Half |
D
Dmitry Kravkov 已提交
8165 8166 8167
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8168 8169
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8170 8171
				    link_config,
				    bp->link_params.speed_cap_mask[idx]);
D
Dmitry Kravkov 已提交
8172 8173 8174
				return;
			}
			break;
E
Eliezer Tamir 已提交
8175

D
Dmitry Kravkov 已提交
8176
		case PORT_FEATURE_LINK_SPEED_1G:
Y
Yaniv Rosner 已提交
8177 8178 8179 8180 8181 8182
			if (bp->port.supported[idx] &
			    SUPPORTED_1000baseT_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_1000;
				bp->port.advertising[idx] |=
					(ADVERTISED_1000baseT_Full |
D
Dmitry Kravkov 已提交
8183 8184 8185
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8186 8187
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8188 8189
				    link_config,
				    bp->link_params.speed_cap_mask[idx]);
D
Dmitry Kravkov 已提交
8190 8191 8192
				return;
			}
			break;
E
Eliezer Tamir 已提交
8193

D
Dmitry Kravkov 已提交
8194
		case PORT_FEATURE_LINK_SPEED_2_5G:
Y
Yaniv Rosner 已提交
8195 8196 8197 8198 8199 8200
			if (bp->port.supported[idx] &
			    SUPPORTED_2500baseX_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_2500;
				bp->port.advertising[idx] |=
					(ADVERTISED_2500baseX_Full |
8201
						ADVERTISED_TP);
D
Dmitry Kravkov 已提交
8202 8203
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8204 8205
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8206
				    link_config,
D
Dmitry Kravkov 已提交
8207 8208 8209 8210
				    bp->link_params.speed_cap_mask[idx]);
				return;
			}
			break;
E
Eliezer Tamir 已提交
8211

D
Dmitry Kravkov 已提交
8212 8213 8214
		case PORT_FEATURE_LINK_SPEED_10G_CX4:
		case PORT_FEATURE_LINK_SPEED_10G_KX4:
		case PORT_FEATURE_LINK_SPEED_10G_KR:
Y
Yaniv Rosner 已提交
8215 8216 8217 8218 8219 8220
			if (bp->port.supported[idx] &
			    SUPPORTED_10000baseT_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_10000;
				bp->port.advertising[idx] |=
					(ADVERTISED_10000baseT_Full |
8221
						ADVERTISED_FIBRE);
D
Dmitry Kravkov 已提交
8222 8223
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8224 8225
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8226
				    link_config,
D
Dmitry Kravkov 已提交
8227 8228 8229 8230
				    bp->link_params.speed_cap_mask[idx]);
				return;
			}
			break;
E
Eliezer Tamir 已提交
8231

D
Dmitry Kravkov 已提交
8232 8233 8234 8235 8236 8237 8238 8239 8240 8241
		default:
			BNX2X_ERROR("NVRAM config error. "
				    "BAD link speed link_config 0x%x\n",
					  link_config);
				bp->link_params.req_line_speed[idx] =
							SPEED_AUTO_NEG;
				bp->port.advertising[idx] =
						bp->port.supported[idx];
			break;
		}
E
Eliezer Tamir 已提交
8242

Y
Yaniv Rosner 已提交
8243
		bp->link_params.req_flow_ctrl[idx] = (link_config &
8244
					 PORT_FEATURE_FLOW_CONTROL_MASK);
Y
Yaniv Rosner 已提交
8245 8246 8247 8248 8249 8250
		if ((bp->link_params.req_flow_ctrl[idx] ==
		     BNX2X_FLOW_CTRL_AUTO) &&
		    !(bp->port.supported[idx] & SUPPORTED_Autoneg)) {
			bp->link_params.req_flow_ctrl[idx] =
				BNX2X_FLOW_CTRL_NONE;
		}
E
Eliezer Tamir 已提交
8251

Y
Yaniv Rosner 已提交
8252 8253 8254 8255 8256 8257 8258
		BNX2X_DEV_INFO("req_line_speed %d  req_duplex %d req_flow_ctrl"
			       " 0x%x advertising 0x%x\n",
			       bp->link_params.req_line_speed[idx],
			       bp->link_params.req_duplex[idx],
			       bp->link_params.req_flow_ctrl[idx],
			       bp->port.advertising[idx]);
	}
E
Eliezer Tamir 已提交
8259 8260
}

8261 8262 8263 8264 8265 8266 8267 8268
static void __devinit bnx2x_set_mac_buf(u8 *mac_buf, u32 mac_lo, u16 mac_hi)
{
	mac_hi = cpu_to_be16(mac_hi);
	mac_lo = cpu_to_be32(mac_lo);
	memcpy(mac_buf, &mac_hi, sizeof(mac_hi));
	memcpy(mac_buf + sizeof(mac_hi), &mac_lo, sizeof(mac_lo));
}

8269
static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
E
Eliezer Tamir 已提交
8270
{
8271
	int port = BP_PORT(bp);
E
Eilon Greenstein 已提交
8272
	u32 config;
8273
	u32 ext_phy_type, ext_phy_config;
E
Eliezer Tamir 已提交
8274

Y
Yaniv Rosner 已提交
8275
	bp->link_params.bp = bp;
8276
	bp->link_params.port = port;
Y
Yaniv Rosner 已提交
8277 8278

	bp->link_params.lane_config =
E
Eliezer Tamir 已提交
8279
		SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
E
Eilon Greenstein 已提交
8280

Y
Yaniv Rosner 已提交
8281
	bp->link_params.speed_cap_mask[0] =
E
Eliezer Tamir 已提交
8282 8283
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].speed_capability_mask);
Y
Yaniv Rosner 已提交
8284 8285 8286 8287
	bp->link_params.speed_cap_mask[1] =
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].speed_capability_mask2);
	bp->port.link_config[0] =
E
Eliezer Tamir 已提交
8288 8289
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);

Y
Yaniv Rosner 已提交
8290 8291
	bp->port.link_config[1] =
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
8292

Y
Yaniv Rosner 已提交
8293 8294
	bp->link_params.multi_phy_config =
		SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
8295 8296 8297
	/* If the device is capable of WoL, set the default state according
	 * to the HW
	 */
E
Eilon Greenstein 已提交
8298
	config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
8299 8300 8301
	bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
		   (config & PORT_FEATURE_WOL_ENABLED));

D
Dmitry Kravkov 已提交
8302
	BNX2X_DEV_INFO("lane_config 0x%08x  "
Y
Yaniv Rosner 已提交
8303
		       "speed_cap_mask0 0x%08x  link_config0 0x%08x\n",
Y
Yaniv Rosner 已提交
8304
		       bp->link_params.lane_config,
Y
Yaniv Rosner 已提交
8305 8306
		       bp->link_params.speed_cap_mask[0],
		       bp->port.link_config[0]);
E
Eliezer Tamir 已提交
8307

Y
Yaniv Rosner 已提交
8308
	bp->link_params.switch_cfg = (bp->port.link_config[0] &
D
Dmitry Kravkov 已提交
8309
				      PORT_FEATURE_CONNECTED_SWITCH_MASK);
Y
Yaniv Rosner 已提交
8310
	bnx2x_phy_probe(&bp->link_params);
Y
Yaniv Rosner 已提交
8311
	bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
E
Eliezer Tamir 已提交
8312 8313 8314

	bnx2x_link_settings_requested(bp);

E
Eilon Greenstein 已提交
8315 8316 8317 8318
	/*
	 * If connected directly, work with the internal PHY, otherwise, work
	 * with the external PHY
	 */
Y
Yaniv Rosner 已提交
8319 8320 8321 8322
	ext_phy_config =
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].external_phy_config);
	ext_phy_type = XGXS_EXT_PHY_TYPE(ext_phy_config);
E
Eilon Greenstein 已提交
8323
	if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Y
Yaniv Rosner 已提交
8324
		bp->mdio.prtad = bp->port.phy_addr;
E
Eilon Greenstein 已提交
8325 8326 8327 8328

	else if ((ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE) &&
		 (ext_phy_type != PORT_HW_CFG_XGXS_EXT_PHY_TYPE_NOT_CONN))
		bp->mdio.prtad =
Y
Yaniv Rosner 已提交
8329
			XGXS_EXT_PHY_ADDR(ext_phy_config);
8330 8331 8332 8333 8334 8335 8336 8337 8338 8339 8340

	/*
	 * Check if hw lock is required to access MDC/MDIO bus to the PHY(s)
	 * In MF mode, it is set to cover self test cases
	 */
	if (IS_MF(bp))
		bp->port.need_hw_lock = 1;
	else
		bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
							bp->common.shmem_base,
							bp->common.shmem2_base);
8341
}
E
Eilon Greenstein 已提交
8342

8343 8344 8345 8346 8347 8348 8349 8350 8351 8352 8353 8354 8355 8356 8357 8358 8359 8360 8361 8362 8363 8364 8365 8366 8367 8368 8369 8370 8371 8372 8373 8374
#ifdef BCM_CNIC
static void __devinit bnx2x_get_cnic_info(struct bnx2x *bp)
{
	u32 max_iscsi_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
				drv_lic_key[BP_PORT(bp)].max_iscsi_conn);
	u32 max_fcoe_conn = FW_ENCODE_32BIT_PATTERN ^ SHMEM_RD(bp,
				drv_lic_key[BP_PORT(bp)].max_fcoe_conn);

	/* Get the number of maximum allowed iSCSI and FCoE connections */
	bp->cnic_eth_dev.max_iscsi_conn =
		(max_iscsi_conn & BNX2X_MAX_ISCSI_INIT_CONN_MASK) >>
		BNX2X_MAX_ISCSI_INIT_CONN_SHIFT;

	bp->cnic_eth_dev.max_fcoe_conn =
		(max_fcoe_conn & BNX2X_MAX_FCOE_INIT_CONN_MASK) >>
		BNX2X_MAX_FCOE_INIT_CONN_SHIFT;

	BNX2X_DEV_INFO("max_iscsi_conn 0x%x max_fcoe_conn 0x%x\n",
		       bp->cnic_eth_dev.max_iscsi_conn,
		       bp->cnic_eth_dev.max_fcoe_conn);

	/* If mamimum allowed number of connections is zero -
	 * disable the feature.
	 */
	if (!bp->cnic_eth_dev.max_iscsi_conn)
		bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;

	if (!bp->cnic_eth_dev.max_fcoe_conn)
		bp->flags |= NO_FCOE_FLAG;
}
#endif

8375 8376 8377 8378 8379
static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
{
	u32 val, val2;
	int func = BP_ABS_FUNC(bp);
	int port = BP_PORT(bp);
8380 8381 8382 8383
#ifdef BCM_CNIC
	u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
	u8 *fip_mac = bp->fip_mac;
#endif
8384 8385 8386 8387 8388 8389 8390 8391 8392 8393

	if (BP_NOMCP(bp)) {
		BNX2X_ERROR("warning: random MAC workaround active\n");
		random_ether_addr(bp->dev->dev_addr);
	} else if (IS_MF(bp)) {
		val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
		val = MF_CFG_RD(bp, func_mf_config[func].mac_lower);
		if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
		    (val != FUNC_MF_CFG_LOWERMAC_DEFAULT))
			bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
8394 8395

#ifdef BCM_CNIC
8396 8397 8398
		/* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
		 * FCoE MAC then the appropriate feature should be disabled.
		 */
8399 8400 8401 8402 8403 8404 8405
		if (IS_MF_SI(bp)) {
			u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg);
			if (cfg & MACP_FUNC_CFG_FLAGS_ISCSI_OFFLOAD) {
				val2 = MF_CFG_RD(bp, func_ext_config[func].
						     iscsi_mac_addr_upper);
				val = MF_CFG_RD(bp, func_ext_config[func].
						    iscsi_mac_addr_lower);
8406 8407 8408 8409 8410 8411 8412 8413 8414 8415 8416 8417 8418 8419 8420 8421 8422
				BNX2X_DEV_INFO("Read iSCSI MAC: "
					       "0x%x:0x%04x\n", val2, val);
				bnx2x_set_mac_buf(iscsi_mac, val, val2);
			} else
				bp->flags |= NO_ISCSI_OOO_FLAG | NO_ISCSI_FLAG;

			if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) {
				val2 = MF_CFG_RD(bp, func_ext_config[func].
						     fcoe_mac_addr_upper);
				val = MF_CFG_RD(bp, func_ext_config[func].
						    fcoe_mac_addr_lower);
				BNX2X_DEV_INFO("Read FCoE MAC to "
					       "0x%x:0x%04x\n", val2, val);
				bnx2x_set_mac_buf(fip_mac, val, val2);

			} else
				bp->flags |= NO_FCOE_FLAG;
8423
		}
8424
#endif
8425 8426 8427 8428 8429 8430 8431 8432 8433 8434 8435
	} else {
		/* in SF read MACs from port configuration */
		val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
		val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
		bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);

#ifdef BCM_CNIC
		val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].
				    iscsi_mac_upper);
		val = SHMEM_RD(bp, dev_info.port_hw_config[port].
				   iscsi_mac_lower);
8436
		bnx2x_set_mac_buf(iscsi_mac, val, val2);
8437 8438 8439 8440 8441 8442
#endif
	}

	memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
	memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);

V
Vladislav Zolotarov 已提交
8443
#ifdef BCM_CNIC
8444
	/* Set the FCoE MAC in modes other then MF_SI */
V
Vladislav Zolotarov 已提交
8445 8446
	if (!CHIP_IS_E1x(bp)) {
		if (IS_MF_SD(bp))
8447 8448 8449
			memcpy(fip_mac, bp->dev->dev_addr, ETH_ALEN);
		else if (!IS_MF(bp))
			memcpy(fip_mac, iscsi_mac, ETH_ALEN);
V
Vladislav Zolotarov 已提交
8450
	}
8451 8452 8453 8454 8455 8456 8457 8458 8459 8460 8461 8462 8463 8464 8465 8466

	/* Disable iSCSI if MAC configuration is
	 * invalid.
	 */
	if (!is_valid_ether_addr(iscsi_mac)) {
		bp->flags |= NO_ISCSI_FLAG;
		memset(iscsi_mac, 0, ETH_ALEN);
	}

	/* Disable FCoE if MAC configuration is
	 * invalid.
	 */
	if (!is_valid_ether_addr(fip_mac)) {
		bp->flags |= NO_FCOE_FLAG;
		memset(bp->fip_mac, 0, ETH_ALEN);
	}
V
Vladislav Zolotarov 已提交
8467
#endif
8468 8469 8470 8471
}

static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
{
8472
	int /*abs*/func = BP_ABS_FUNC(bp);
8473
	int vn;
8474
	u32 val = 0;
8475
	int rc = 0;
E
Eliezer Tamir 已提交
8476

8477
	bnx2x_get_common_hwinfo(bp);
E
Eliezer Tamir 已提交
8478

D
Dmitry Kravkov 已提交
8479 8480 8481 8482 8483
	if (CHIP_IS_E1x(bp)) {
		bp->common.int_block = INT_BLOCK_HC;

		bp->igu_dsb_id = DEF_SB_IGU_ID;
		bp->igu_base_sb = 0;
V
Vladislav Zolotarov 已提交
8484 8485
		bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x,
				       NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
D
Dmitry Kravkov 已提交
8486 8487 8488 8489 8490 8491 8492 8493
	} else {
		bp->common.int_block = INT_BLOCK_IGU;
		val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION);
		if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) {
			DP(NETIF_MSG_PROBE, "IGU Backward Compatible Mode\n");
			bp->common.int_block |= INT_BLOCK_MODE_BW_COMP;
		} else
			DP(NETIF_MSG_PROBE, "IGU Normal Mode\n");
8494

D
Dmitry Kravkov 已提交
8495 8496 8497 8498 8499 8500 8501 8502 8503
		bnx2x_get_igu_cam_info(bp);

	}
	DP(NETIF_MSG_PROBE, "igu_dsb_id %d  igu_base_sb %d  igu_sb_cnt %d\n",
			     bp->igu_dsb_id, bp->igu_base_sb, bp->igu_sb_cnt);

	/*
	 * Initialize MF configuration
	 */
8504

D
Dmitry Kravkov 已提交
8505 8506
	bp->mf_ov = 0;
	bp->mf_mode = 0;
D
Dmitry Kravkov 已提交
8507
	vn = BP_E1HVN(bp);
8508

D
Dmitry Kravkov 已提交
8509
	if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
8510 8511 8512 8513
		DP(NETIF_MSG_PROBE,
			    "shmem2base 0x%x, size %d, mfcfg offset %d\n",
			    bp->common.shmem2_base, SHMEM2_RD(bp, size),
			    (u32)offsetof(struct shmem2_region, mf_cfg_addr));
D
Dmitry Kravkov 已提交
8514 8515 8516 8517
		if (SHMEM2_HAS(bp, mf_cfg_addr))
			bp->common.mf_cfg_base = SHMEM2_RD(bp, mf_cfg_addr);
		else
			bp->common.mf_cfg_base = bp->common.shmem_base +
8518 8519
				offsetof(struct shmem_region, func_mb) +
				E1H_FUNC_MAX * sizeof(struct drv_func_mb);
8520 8521
		/*
		 * get mf configuration:
L
Lucas De Marchi 已提交
8522
		 * 1. existence of MF configuration
8523 8524 8525 8526 8527 8528 8529 8530 8531 8532 8533 8534 8535 8536 8537 8538 8539 8540 8541 8542 8543 8544 8545 8546 8547 8548 8549 8550 8551 8552 8553 8554 8555 8556 8557 8558 8559 8560 8561 8562 8563
		 * 2. MAC address must be legal (check only upper bytes)
		 *    for  Switch-Independent mode;
		 *    OVLAN must be legal for Switch-Dependent mode
		 * 3. SF_MODE configures specific MF mode
		 */
		if (bp->common.mf_cfg_base != SHMEM_MF_CFG_ADDR_NONE) {
			/* get mf configuration */
			val = SHMEM_RD(bp,
				       dev_info.shared_feature_config.config);
			val &= SHARED_FEAT_CFG_FORCE_SF_MODE_MASK;

			switch (val) {
			case SHARED_FEAT_CFG_FORCE_SF_MODE_SWITCH_INDEPT:
				val = MF_CFG_RD(bp, func_mf_config[func].
						mac_upper);
				/* check for legal mac (upper bytes)*/
				if (val != 0xffff) {
					bp->mf_mode = MULTI_FUNCTION_SI;
					bp->mf_config[vn] = MF_CFG_RD(bp,
						   func_mf_config[func].config);
				} else
					DP(NETIF_MSG_PROBE, "illegal MAC "
							    "address for SI\n");
				break;
			case SHARED_FEAT_CFG_FORCE_SF_MODE_MF_ALLOWED:
				/* get OV configuration */
				val = MF_CFG_RD(bp,
					func_mf_config[FUNC_0].e1hov_tag);
				val &= FUNC_MF_CFG_E1HOV_TAG_MASK;

				if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
					bp->mf_mode = MULTI_FUNCTION_SD;
					bp->mf_config[vn] = MF_CFG_RD(bp,
						func_mf_config[func].config);
				} else
					DP(NETIF_MSG_PROBE, "illegal OV for "
							    "SD\n");
				break;
			default:
				/* Unknown configuration: reset mf_config */
				bp->mf_config[vn] = 0;
L
Lucas De Marchi 已提交
8564
				DP(NETIF_MSG_PROBE, "Unknown MF mode 0x%x\n",
8565 8566 8567
				   val);
			}
		}
E
Eliezer Tamir 已提交
8568

8569
		BNX2X_DEV_INFO("%s function mode\n",
D
Dmitry Kravkov 已提交
8570
			       IS_MF(bp) ? "multi" : "single");
8571

8572 8573 8574 8575
		switch (bp->mf_mode) {
		case MULTI_FUNCTION_SD:
			val = MF_CFG_RD(bp, func_mf_config[func].e1hov_tag) &
			      FUNC_MF_CFG_E1HOV_TAG_MASK;
8576
			if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
D
Dmitry Kravkov 已提交
8577
				bp->mf_ov = val;
8578 8579 8580
				BNX2X_DEV_INFO("MF OV for func %d is %d"
					       " (0x%04x)\n", func,
					       bp->mf_ov, bp->mf_ov);
8581
			} else {
8582 8583
				BNX2X_ERR("No valid MF OV for func %d,"
					  "  aborting\n", func);
8584 8585
				rc = -EPERM;
			}
8586 8587 8588 8589 8590 8591 8592 8593 8594
			break;
		case MULTI_FUNCTION_SI:
			BNX2X_DEV_INFO("func %d is in MF "
				       "switch-independent mode\n", func);
			break;
		default:
			if (vn) {
				BNX2X_ERR("VN %d in single function mode,"
					  "  aborting\n", vn);
8595 8596
				rc = -EPERM;
			}
8597
			break;
8598
		}
8599

8600
	}
E
Eliezer Tamir 已提交
8601

D
Dmitry Kravkov 已提交
8602 8603
	/* adjust igu_sb_cnt to MF for E1x */
	if (CHIP_IS_E1x(bp) && IS_MF(bp))
8604 8605
		bp->igu_sb_cnt /= E1HVN_MAX;

D
Dmitry Kravkov 已提交
8606 8607 8608 8609 8610 8611 8612 8613 8614
	/*
	 * adjust E2 sb count: to be removed when FW will support
	 * more then 16 L2 clients
	 */
#define MAX_L2_CLIENTS				16
	if (CHIP_IS_E2(bp))
		bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt,
				       MAX_L2_CLIENTS / (IS_MF(bp) ? 4 : 1));

8615 8616 8617
	if (!BP_NOMCP(bp)) {
		bnx2x_get_port_hwinfo(bp);

D
Dmitry Kravkov 已提交
8618 8619 8620
		bp->fw_seq =
			(SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
			 DRV_MSG_SEQ_NUMBER_MASK);
8621 8622 8623
		BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
	}

8624 8625
	/* Get MAC addresses */
	bnx2x_get_mac_hwinfo(bp);
E
Eliezer Tamir 已提交
8626

8627 8628 8629 8630
#ifdef BCM_CNIC
	bnx2x_get_cnic_info(bp);
#endif

8631 8632 8633
	return rc;
}

8634 8635 8636 8637 8638 8639 8640 8641 8642 8643 8644 8645 8646 8647 8648 8649 8650 8651 8652 8653 8654 8655 8656 8657 8658 8659 8660 8661 8662 8663 8664 8665 8666 8667 8668 8669 8670 8671 8672 8673 8674 8675 8676 8677 8678 8679 8680 8681 8682 8683 8684 8685 8686 8687 8688 8689 8690 8691 8692 8693 8694 8695 8696 8697
static void __devinit bnx2x_read_fwinfo(struct bnx2x *bp)
{
	int cnt, i, block_end, rodi;
	char vpd_data[BNX2X_VPD_LEN+1];
	char str_id_reg[VENDOR_ID_LEN+1];
	char str_id_cap[VENDOR_ID_LEN+1];
	u8 len;

	cnt = pci_read_vpd(bp->pdev, 0, BNX2X_VPD_LEN, vpd_data);
	memset(bp->fw_ver, 0, sizeof(bp->fw_ver));

	if (cnt < BNX2X_VPD_LEN)
		goto out_not_found;

	i = pci_vpd_find_tag(vpd_data, 0, BNX2X_VPD_LEN,
			     PCI_VPD_LRDT_RO_DATA);
	if (i < 0)
		goto out_not_found;


	block_end = i + PCI_VPD_LRDT_TAG_SIZE +
		    pci_vpd_lrdt_size(&vpd_data[i]);

	i += PCI_VPD_LRDT_TAG_SIZE;

	if (block_end > BNX2X_VPD_LEN)
		goto out_not_found;

	rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
				   PCI_VPD_RO_KEYWORD_MFR_ID);
	if (rodi < 0)
		goto out_not_found;

	len = pci_vpd_info_field_size(&vpd_data[rodi]);

	if (len != VENDOR_ID_LEN)
		goto out_not_found;

	rodi += PCI_VPD_INFO_FLD_HDR_SIZE;

	/* vendor specific info */
	snprintf(str_id_reg, VENDOR_ID_LEN + 1, "%04x", PCI_VENDOR_ID_DELL);
	snprintf(str_id_cap, VENDOR_ID_LEN + 1, "%04X", PCI_VENDOR_ID_DELL);
	if (!strncmp(str_id_reg, &vpd_data[rodi], VENDOR_ID_LEN) ||
	    !strncmp(str_id_cap, &vpd_data[rodi], VENDOR_ID_LEN)) {

		rodi = pci_vpd_find_info_keyword(vpd_data, i, block_end,
						PCI_VPD_RO_KEYWORD_VENDOR0);
		if (rodi >= 0) {
			len = pci_vpd_info_field_size(&vpd_data[rodi]);

			rodi += PCI_VPD_INFO_FLD_HDR_SIZE;

			if (len < 32 && (len + rodi) <= BNX2X_VPD_LEN) {
				memcpy(bp->fw_ver, &vpd_data[rodi], len);
				bp->fw_ver[len] = ' ';
			}
		}
		return;
	}
out_not_found:
	return;
}

8698 8699
static int __devinit bnx2x_init_bp(struct bnx2x *bp)
{
D
Dmitry Kravkov 已提交
8700
	int func;
8701
	int timer_interval;
8702 8703
	int rc;

8704 8705
	/* Disable interrupt handling until HW is initialized */
	atomic_set(&bp->intr_sem, 1);
E
Eilon Greenstein 已提交
8706
	smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
8707

8708
	mutex_init(&bp->port.phy_mutex);
E
Eilon Greenstein 已提交
8709
	mutex_init(&bp->fw_mb_mutex);
8710
	spin_lock_init(&bp->stats_lock);
8711 8712 8713
#ifdef BCM_CNIC
	mutex_init(&bp->cnic_mutex);
#endif
E
Eliezer Tamir 已提交
8714

8715
	INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
8716
	INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
8717 8718 8719

	rc = bnx2x_get_hwinfo(bp);

8720 8721 8722
	if (!rc)
		rc = bnx2x_alloc_mem_bp(bp);

8723
	bnx2x_read_fwinfo(bp);
D
Dmitry Kravkov 已提交
8724 8725 8726

	func = BP_FUNC(bp);

8727 8728 8729 8730 8731
	/* need to reset chip if undi was active */
	if (!BP_NOMCP(bp))
		bnx2x_undi_unload(bp);

	if (CHIP_REV_IS_FPGA(bp))
V
Vladislav Zolotarov 已提交
8732
		dev_err(&bp->pdev->dev, "FPGA detected\n");
8733 8734

	if (BP_NOMCP(bp) && (func == 0))
V
Vladislav Zolotarov 已提交
8735 8736
		dev_err(&bp->pdev->dev, "MCP disabled, "
					"must load devices in order!\n");
8737

E
Eilon Greenstein 已提交
8738
	bp->multi_mode = multi_mode;
8739
	bp->int_mode = int_mode;
E
Eilon Greenstein 已提交
8740

8741 8742 8743 8744 8745 8746 8747 8748
	/* Set TPA flags */
	if (disable_tpa) {
		bp->flags &= ~TPA_ENABLE_FLAG;
		bp->dev->features &= ~NETIF_F_LRO;
	} else {
		bp->flags |= TPA_ENABLE_FLAG;
		bp->dev->features |= NETIF_F_LRO;
	}
8749
	bp->disable_tpa = disable_tpa;
8750

8751 8752 8753 8754 8755
	if (CHIP_IS_E1(bp))
		bp->dropless_fc = 0;
	else
		bp->dropless_fc = dropless_fc;

8756
	bp->mrrs = mrrs;
8757

8758 8759
	bp->tx_ring_size = MAX_TX_AVAIL;

8760
	/* make sure that the numbers are in the right granularity */
8761 8762
	bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
	bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
8763

8764 8765
	timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
	bp->current_interval = (poll ? poll : timer_interval);
8766 8767 8768 8769 8770 8771

	init_timer(&bp->timer);
	bp->timer.expires = jiffies + bp->current_interval;
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2x_timer;

S
Shmulik Ravid 已提交
8772
	bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
V
Vladislav Zolotarov 已提交
8773 8774
	bnx2x_dcbx_init_params(bp);

8775
	return rc;
E
Eliezer Tamir 已提交
8776 8777 8778
}


8779 8780 8781
/****************************************************************************
* General service functions
****************************************************************************/
E
Eliezer Tamir 已提交
8782

Y
Yitchak Gertner 已提交
8783
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
8784 8785 8786 8787
static int bnx2x_open(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

E
Eilon Greenstein 已提交
8788 8789
	netif_carrier_off(dev);

E
Eliezer Tamir 已提交
8790 8791
	bnx2x_set_power_state(bp, PCI_D0);

8792 8793 8794 8795 8796 8797 8798 8799 8800 8801 8802 8803 8804 8805 8806 8807 8808 8809 8810 8811 8812 8813 8814 8815 8816 8817 8818 8819 8820 8821 8822 8823 8824 8825
	if (!bnx2x_reset_is_done(bp)) {
		do {
			/* Reset MCP mail box sequence if there is on going
			 * recovery
			 */
			bp->fw_seq = 0;

			/* If it's the first function to load and reset done
			 * is still not cleared it may mean that. We don't
			 * check the attention state here because it may have
			 * already been cleared by a "common" reset but we
			 * shell proceed with "process kill" anyway.
			 */
			if ((bnx2x_get_load_cnt(bp) == 0) &&
				bnx2x_trylock_hw_lock(bp,
				HW_LOCK_RESOURCE_RESERVED_08) &&
				(!bnx2x_leader_reset(bp))) {
				DP(NETIF_MSG_HW, "Recovered in open\n");
				break;
			}

			bnx2x_set_power_state(bp, PCI_D3hot);

			printk(KERN_ERR"%s: Recovery flow hasn't been properly"
			" completed yet. Try again later. If u still see this"
			" message after a few retries then power cycle is"
			" required.\n", bp->dev->name);

			return -EAGAIN;
		} while (0);
	}

	bp->recovery_state = BNX2X_RECOVERY_DONE;

Y
Yitchak Gertner 已提交
8826
	return bnx2x_nic_load(bp, LOAD_OPEN);
E
Eliezer Tamir 已提交
8827 8828
}

Y
Yitchak Gertner 已提交
8829
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
8830 8831 8832 8833 8834
static int bnx2x_close(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	/* Unload the driver, release IRQs */
Y
Yitchak Gertner 已提交
8835
	bnx2x_nic_unload(bp, UNLOAD_CLOSE);
8836
	bnx2x_set_power_state(bp, PCI_D3hot);
E
Eliezer Tamir 已提交
8837 8838 8839 8840

	return 0;
}

8841 8842 8843 8844 8845 8846 8847 8848 8849 8850 8851 8852 8853 8854 8855 8856 8857 8858 8859 8860 8861 8862 8863 8864 8865 8866 8867 8868 8869 8870 8871 8872 8873 8874 8875 8876 8877 8878 8879 8880 8881 8882 8883 8884 8885 8886 8887 8888 8889 8890 8891 8892 8893 8894 8895 8896 8897 8898 8899 8900 8901 8902 8903 8904 8905 8906 8907 8908 8909 8910 8911 8912 8913 8914 8915 8916 8917 8918 8919 8920 8921 8922 8923 8924 8925 8926 8927 8928 8929 8930 8931 8932 8933 8934 8935 8936 8937 8938 8939 8940 8941 8942 8943 8944 8945 8946 8947 8948 8949 8950 8951 8952 8953 8954 8955 8956 8957 8958 8959 8960 8961 8962 8963 8964 8965 8966 8967 8968 8969 8970 8971 8972 8973 8974 8975 8976 8977 8978 8979 8980 8981 8982 8983 8984 8985 8986 8987 8988 8989 8990 8991 8992 8993 8994 8995 8996 8997 8998 8999 9000 9001 9002 9003 9004 9005 9006 9007 9008 9009 9010 9011 9012 9013 9014 9015 9016 9017 9018 9019 9020 9021 9022 9023 9024 9025 9026
#define E1_MAX_UC_LIST	29
#define E1H_MAX_UC_LIST	30
#define E2_MAX_UC_LIST	14
static inline u8 bnx2x_max_uc_list(struct bnx2x *bp)
{
	if (CHIP_IS_E1(bp))
		return E1_MAX_UC_LIST;
	else if (CHIP_IS_E1H(bp))
		return E1H_MAX_UC_LIST;
	else
		return E2_MAX_UC_LIST;
}


static inline u8 bnx2x_uc_list_cam_offset(struct bnx2x *bp)
{
	if (CHIP_IS_E1(bp))
		/* CAM Entries for Port0:
		 *      0 - prim ETH MAC
		 *      1 - BCAST MAC
		 *      2 - iSCSI L2 ring ETH MAC
		 *      3-31 - UC MACs
		 *
		 * Port1 entries are allocated the same way starting from
		 * entry 32.
		 */
		return 3 + 32 * BP_PORT(bp);
	else if (CHIP_IS_E1H(bp)) {
		/* CAM Entries:
		 *      0-7  - prim ETH MAC for each function
		 *      8-15 - iSCSI L2 ring ETH MAC for each function
		 *      16 till 255 UC MAC lists for each function
		 *
		 * Remark: There is no FCoE support for E1H, thus FCoE related
		 *         MACs are not considered.
		 */
		return E1H_FUNC_MAX * (CAM_ISCSI_ETH_LINE + 1) +
			bnx2x_max_uc_list(bp) * BP_FUNC(bp);
	} else {
		/* CAM Entries (there is a separate CAM per engine):
		 *      0-4  - prim ETH MAC for each function
		 *      4-7 - iSCSI L2 ring ETH MAC for each function
		 *      8-11 - FIP ucast L2 MAC for each function
		 *      12-15 - ALL_ENODE_MACS mcast MAC for each function
		 *      16 till 71 UC MAC lists for each function
		 */
		u8 func_idx =
			(CHIP_MODE_IS_4_PORT(bp) ? BP_FUNC(bp) : BP_VN(bp));

		return E2_FUNC_MAX * (CAM_MAX_PF_LINE + 1) +
			bnx2x_max_uc_list(bp) * func_idx;
	}
}

/* set uc list, do not wait as wait implies sleep and
 * set_rx_mode can be invoked from non-sleepable context.
 *
 * Instead we use the same ramrod data buffer each time we need
 * to configure a list of addresses, and use the fact that the
 * list of MACs is changed in an incremental way and that the
 * function is called under the netif_addr_lock. A temporary
 * inconsistent CAM configuration (possible in case of very fast
 * sequence of add/del/add on the host side) will shortly be
 * restored by the handler of the last ramrod.
 */
static int bnx2x_set_uc_list(struct bnx2x *bp)
{
	int i = 0, old;
	struct net_device *dev = bp->dev;
	u8 offset = bnx2x_uc_list_cam_offset(bp);
	struct netdev_hw_addr *ha;
	struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
	dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);

	if (netdev_uc_count(dev) > bnx2x_max_uc_list(bp))
		return -EINVAL;

	netdev_for_each_uc_addr(ha, dev) {
		/* copy mac */
		config_cmd->config_table[i].msb_mac_addr =
			swab16(*(u16 *)&bnx2x_uc_addr(ha)[0]);
		config_cmd->config_table[i].middle_mac_addr =
			swab16(*(u16 *)&bnx2x_uc_addr(ha)[2]);
		config_cmd->config_table[i].lsb_mac_addr =
			swab16(*(u16 *)&bnx2x_uc_addr(ha)[4]);

		config_cmd->config_table[i].vlan_id = 0;
		config_cmd->config_table[i].pf_id = BP_FUNC(bp);
		config_cmd->config_table[i].clients_bit_vector =
			cpu_to_le32(1 << BP_L_ID(bp));

		SET_FLAG(config_cmd->config_table[i].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_SET);

		DP(NETIF_MSG_IFUP,
		   "setting UCAST[%d] (%04x:%04x:%04x)\n", i,
		   config_cmd->config_table[i].msb_mac_addr,
		   config_cmd->config_table[i].middle_mac_addr,
		   config_cmd->config_table[i].lsb_mac_addr);

		i++;

		/* Set uc MAC in NIG */
		bnx2x_set_mac_in_nig(bp, 1, bnx2x_uc_addr(ha),
				     LLH_CAM_ETH_LINE + i);
	}
	old = config_cmd->hdr.length;
	if (old > i) {
		for (; i < old; i++) {
			if (CAM_IS_INVALID(config_cmd->
					   config_table[i])) {
				/* already invalidated */
				break;
			}
			/* invalidate */
			SET_FLAG(config_cmd->config_table[i].flags,
				MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
				T_ETH_MAC_COMMAND_INVALIDATE);
		}
	}

	wmb();

	config_cmd->hdr.length = i;
	config_cmd->hdr.offset = offset;
	config_cmd->hdr.client_id = 0xff;
	/* Mark that this ramrod doesn't use bp->set_mac_pending for
	 * synchronization.
	 */
	config_cmd->hdr.echo = 0;

	mb();

	return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
		   U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);

}

void bnx2x_invalidate_uc_list(struct bnx2x *bp)
{
	int i;
	struct mac_configuration_cmd *config_cmd = bnx2x_sp(bp, uc_mac_config);
	dma_addr_t config_cmd_map = bnx2x_sp_mapping(bp, uc_mac_config);
	int ramrod_flags = WAIT_RAMROD_COMMON;
	u8 offset = bnx2x_uc_list_cam_offset(bp);
	u8 max_list_size = bnx2x_max_uc_list(bp);

	for (i = 0; i < max_list_size; i++) {
		SET_FLAG(config_cmd->config_table[i].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_INVALIDATE);
		bnx2x_set_mac_in_nig(bp, 0, NULL, LLH_CAM_ETH_LINE + 1 + i);
	}

	wmb();

	config_cmd->hdr.length = max_list_size;
	config_cmd->hdr.offset = offset;
	config_cmd->hdr.client_id = 0xff;
	/* We'll wait for a completion this time... */
	config_cmd->hdr.echo = 1;

	bp->set_mac_pending = 1;

	mb();

	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
		      U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);

	/* Wait for a completion */
	bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
				ramrod_flags);

}

static inline int bnx2x_set_mc_list(struct bnx2x *bp)
{
	/* some multicasts */
	if (CHIP_IS_E1(bp)) {
		return bnx2x_set_e1_mc_list(bp);
	} else { /* E1H and newer */
		return bnx2x_set_e1h_mc_list(bp);
	}
}

E
Eilon Greenstein 已提交
9027
/* called with netif_tx_lock from dev_mcast.c */
D
Dmitry Kravkov 已提交
9028
void bnx2x_set_rx_mode(struct net_device *dev)
9029 9030 9031 9032 9033 9034 9035 9036 9037 9038 9039 9040 9041
{
	struct bnx2x *bp = netdev_priv(dev);
	u32 rx_mode = BNX2X_RX_MODE_NORMAL;

	if (bp->state != BNX2X_STATE_OPEN) {
		DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state);
		return;
	}

	DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);

	if (dev->flags & IFF_PROMISC)
		rx_mode = BNX2X_RX_MODE_PROMISC;
9042
	else if (dev->flags & IFF_ALLMULTI)
9043
		rx_mode = BNX2X_RX_MODE_ALLMULTI;
9044 9045 9046 9047
	else {
		/* some multicasts */
		if (bnx2x_set_mc_list(bp))
			rx_mode = BNX2X_RX_MODE_ALLMULTI;
9048

9049 9050 9051
		/* some unicasts */
		if (bnx2x_set_uc_list(bp))
			rx_mode = BNX2X_RX_MODE_PROMISC;
9052 9053 9054 9055 9056 9057
	}

	bp->rx_mode = rx_mode;
	bnx2x_set_storm_rx_mode(bp);
}

Y
Yaniv Rosner 已提交
9058
/* called with rtnl_lock */
E
Eilon Greenstein 已提交
9059 9060
static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
			   int devad, u16 addr)
E
Eliezer Tamir 已提交
9061
{
E
Eilon Greenstein 已提交
9062 9063 9064
	struct bnx2x *bp = netdev_priv(netdev);
	u16 value;
	int rc;
E
Eliezer Tamir 已提交
9065

E
Eilon Greenstein 已提交
9066 9067
	DP(NETIF_MSG_LINK, "mdio_read: prtad 0x%x, devad 0x%x, addr 0x%x\n",
	   prtad, devad, addr);
E
Eliezer Tamir 已提交
9068

E
Eilon Greenstein 已提交
9069 9070
	/* The HW expects different devad if CL22 is used */
	devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
Y
Yaniv Rosner 已提交
9071

E
Eilon Greenstein 已提交
9072
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
9073
	rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
E
Eilon Greenstein 已提交
9074 9075
	bnx2x_release_phy_lock(bp);
	DP(NETIF_MSG_LINK, "mdio_read_val 0x%x rc = 0x%x\n", value, rc);
E
Eliezer Tamir 已提交
9076

E
Eilon Greenstein 已提交
9077 9078 9079 9080
	if (!rc)
		rc = value;
	return rc;
}
E
Eliezer Tamir 已提交
9081

E
Eilon Greenstein 已提交
9082 9083 9084 9085 9086 9087 9088 9089 9090 9091 9092 9093
/* called with rtnl_lock */
static int bnx2x_mdio_write(struct net_device *netdev, int prtad, int devad,
			    u16 addr, u16 value)
{
	struct bnx2x *bp = netdev_priv(netdev);
	int rc;

	DP(NETIF_MSG_LINK, "mdio_write: prtad 0x%x, devad 0x%x, addr 0x%x,"
			   " value 0x%x\n", prtad, devad, addr, value);

	/* The HW expects different devad if CL22 is used */
	devad = (devad == MDIO_DEVAD_NONE) ? DEFAULT_PHY_DEV_ADDR : devad;
E
Eliezer Tamir 已提交
9094

E
Eilon Greenstein 已提交
9095
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
9096
	rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
E
Eilon Greenstein 已提交
9097 9098 9099
	bnx2x_release_phy_lock(bp);
	return rc;
}
Y
Yaniv Rosner 已提交
9100

E
Eilon Greenstein 已提交
9101 9102 9103 9104 9105
/* called with rtnl_lock */
static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
	struct bnx2x *bp = netdev_priv(dev);
	struct mii_ioctl_data *mdio = if_mii(ifr);
E
Eliezer Tamir 已提交
9106

E
Eilon Greenstein 已提交
9107 9108
	DP(NETIF_MSG_LINK, "ioctl: phy id 0x%x, reg 0x%x, val_in 0x%x\n",
	   mdio->phy_id, mdio->reg_num, mdio->val_in);
E
Eliezer Tamir 已提交
9109

E
Eilon Greenstein 已提交
9110 9111 9112 9113
	if (!netif_running(dev))
		return -EAGAIN;

	return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
E
Eliezer Tamir 已提交
9114 9115
}

A
Alexey Dobriyan 已提交
9116
#ifdef CONFIG_NET_POLL_CONTROLLER
E
Eliezer Tamir 已提交
9117 9118 9119 9120 9121 9122 9123 9124 9125 9126
static void poll_bnx2x(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

	disable_irq(bp->pdev->irq);
	bnx2x_interrupt(bp->pdev->irq, dev);
	enable_irq(bp->pdev->irq);
}
#endif

9127 9128 9129 9130
static const struct net_device_ops bnx2x_netdev_ops = {
	.ndo_open		= bnx2x_open,
	.ndo_stop		= bnx2x_close,
	.ndo_start_xmit		= bnx2x_start_xmit,
9131
	.ndo_select_queue	= bnx2x_select_queue,
9132
	.ndo_set_rx_mode	= bnx2x_set_rx_mode,
9133 9134 9135 9136
	.ndo_set_mac_address	= bnx2x_change_mac_addr,
	.ndo_validate_addr	= eth_validate_addr,
	.ndo_do_ioctl		= bnx2x_ioctl,
	.ndo_change_mtu		= bnx2x_change_mtu,
9137 9138
	.ndo_fix_features	= bnx2x_fix_features,
	.ndo_set_features	= bnx2x_set_features,
9139
	.ndo_tx_timeout		= bnx2x_tx_timeout,
A
Alexey Dobriyan 已提交
9140
#ifdef CONFIG_NET_POLL_CONTROLLER
9141 9142 9143 9144
	.ndo_poll_controller	= poll_bnx2x,
#endif
};

9145 9146
static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
				    struct net_device *dev)
E
Eliezer Tamir 已提交
9147 9148 9149 9150 9151 9152 9153
{
	struct bnx2x *bp;
	int rc;

	SET_NETDEV_DEV(dev, &pdev->dev);
	bp = netdev_priv(dev);

9154 9155
	bp->dev = dev;
	bp->pdev = pdev;
E
Eliezer Tamir 已提交
9156
	bp->flags = 0;
D
Dmitry Kravkov 已提交
9157
	bp->pf_num = PCI_FUNC(pdev->devfn);
E
Eliezer Tamir 已提交
9158 9159 9160

	rc = pci_enable_device(pdev);
	if (rc) {
V
Vladislav Zolotarov 已提交
9161 9162
		dev_err(&bp->pdev->dev,
			"Cannot enable PCI device, aborting\n");
E
Eliezer Tamir 已提交
9163 9164 9165 9166
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
V
Vladislav Zolotarov 已提交
9167 9168
		dev_err(&bp->pdev->dev,
			"Cannot find PCI device base address, aborting\n");
E
Eliezer Tamir 已提交
9169 9170 9171 9172 9173
		rc = -ENODEV;
		goto err_out_disable;
	}

	if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
V
Vladislav Zolotarov 已提交
9174 9175
		dev_err(&bp->pdev->dev, "Cannot find second PCI device"
		       " base address, aborting\n");
E
Eliezer Tamir 已提交
9176 9177 9178 9179
		rc = -ENODEV;
		goto err_out_disable;
	}

9180 9181 9182
	if (atomic_read(&pdev->enable_cnt) == 1) {
		rc = pci_request_regions(pdev, DRV_MODULE_NAME);
		if (rc) {
V
Vladislav Zolotarov 已提交
9183 9184
			dev_err(&bp->pdev->dev,
				"Cannot obtain PCI resources, aborting\n");
9185 9186
			goto err_out_disable;
		}
E
Eliezer Tamir 已提交
9187

9188 9189 9190
		pci_set_master(pdev);
		pci_save_state(pdev);
	}
E
Eliezer Tamir 已提交
9191 9192 9193

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
V
Vladislav Zolotarov 已提交
9194 9195
		dev_err(&bp->pdev->dev,
			"Cannot find power management capability, aborting\n");
E
Eliezer Tamir 已提交
9196 9197 9198 9199 9200 9201
		rc = -EIO;
		goto err_out_release;
	}

	bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
	if (bp->pcie_cap == 0) {
V
Vladislav Zolotarov 已提交
9202 9203
		dev_err(&bp->pdev->dev,
			"Cannot find PCI Express capability, aborting\n");
E
Eliezer Tamir 已提交
9204 9205 9206 9207
		rc = -EIO;
		goto err_out_release;
	}

9208
	if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
E
Eliezer Tamir 已提交
9209
		bp->flags |= USING_DAC_FLAG;
9210
		if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
V
Vladislav Zolotarov 已提交
9211 9212
			dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
			       " failed, aborting\n");
E
Eliezer Tamir 已提交
9213 9214 9215 9216
			rc = -EIO;
			goto err_out_release;
		}

9217
	} else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
V
Vladislav Zolotarov 已提交
9218 9219
		dev_err(&bp->pdev->dev,
			"System does not support DMA, aborting\n");
E
Eliezer Tamir 已提交
9220 9221 9222 9223
		rc = -EIO;
		goto err_out_release;
	}

9224 9225 9226
	dev->mem_start = pci_resource_start(pdev, 0);
	dev->base_addr = dev->mem_start;
	dev->mem_end = pci_resource_end(pdev, 0);
E
Eliezer Tamir 已提交
9227 9228 9229

	dev->irq = pdev->irq;

9230
	bp->regview = pci_ioremap_bar(pdev, 0);
E
Eliezer Tamir 已提交
9231
	if (!bp->regview) {
V
Vladislav Zolotarov 已提交
9232 9233
		dev_err(&bp->pdev->dev,
			"Cannot map register space, aborting\n");
E
Eliezer Tamir 已提交
9234 9235 9236 9237
		rc = -ENOMEM;
		goto err_out_release;
	}

9238
	bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
9239
					min_t(u64, BNX2X_DB_SIZE(bp),
9240
					      pci_resource_len(pdev, 2)));
E
Eliezer Tamir 已提交
9241
	if (!bp->doorbells) {
V
Vladislav Zolotarov 已提交
9242 9243
		dev_err(&bp->pdev->dev,
			"Cannot map doorbell space, aborting\n");
E
Eliezer Tamir 已提交
9244 9245 9246 9247 9248 9249
		rc = -ENOMEM;
		goto err_out_unmap;
	}

	bnx2x_set_power_state(bp, PCI_D0);

9250 9251 9252 9253 9254 9255 9256
	/* clean indirect addresses */
	pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
			       PCICFG_VENDOR_ID_OFFSET);
	REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0);
	REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0);
	REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0);
	REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0);
E
Eliezer Tamir 已提交
9257

9258 9259 9260
	/* Reset the load counter */
	bnx2x_clear_load_cnt(bp);

9261
	dev->watchdog_timeo = TX_TIMEOUT;
E
Eliezer Tamir 已提交
9262

9263
	dev->netdev_ops = &bnx2x_netdev_ops;
9264
	bnx2x_set_ethtool_ops(dev);
E
Eilon Greenstein 已提交
9265

9266 9267 9268 9269 9270 9271 9272 9273
	dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
		NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 |
		NETIF_F_RXCSUM | NETIF_F_LRO | NETIF_F_HW_VLAN_TX;

	dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
		NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA;

	dev->features |= dev->hw_features | NETIF_F_HW_VLAN_RX;
E
Eilon Greenstein 已提交
9274
	if (bp->flags & USING_DAC_FLAG)
9275
		dev->features |= NETIF_F_HIGHDMA;
E
Eliezer Tamir 已提交
9276

9277 9278 9279
	/* Add Loopback capability to the device */
	dev->hw_features |= NETIF_F_LOOPBACK;

9280
#ifdef BCM_DCBNL
S
Shmulik Ravid 已提交
9281 9282 9283
	dev->dcbnl_ops = &bnx2x_dcbnl_ops;
#endif

E
Eilon Greenstein 已提交
9284 9285 9286 9287 9288 9289 9290 9291
	/* get_port_hwinfo() will set prtad and mmds properly */
	bp->mdio.prtad = MDIO_PRTAD_NONE;
	bp->mdio.mmds = 0;
	bp->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
	bp->mdio.dev = dev;
	bp->mdio.mdio_read = bnx2x_mdio_read;
	bp->mdio.mdio_write = bnx2x_mdio_write;

E
Eliezer Tamir 已提交
9292 9293 9294 9295 9296 9297 9298 9299 9300 9301 9302 9303 9304
	return 0;

err_out_unmap:
	if (bp->regview) {
		iounmap(bp->regview);
		bp->regview = NULL;
	}
	if (bp->doorbells) {
		iounmap(bp->doorbells);
		bp->doorbells = NULL;
	}

err_out_release:
9305 9306
	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);
E
Eliezer Tamir 已提交
9307 9308 9309 9310 9311 9312 9313 9314 9315

err_out_disable:
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);

err_out:
	return rc;
}

9316 9317
static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
						 int *width, int *speed)
E
Eliezer Tamir 已提交
9318 9319 9320
{
	u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);

9321
	*width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
E
Eliezer Tamir 已提交
9322

9323 9324
	/* return value of 1=2.5GHz 2=5GHz */
	*speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
E
Eliezer Tamir 已提交
9325
}
9326

9327
static int bnx2x_check_firmware(struct bnx2x *bp)
9328
{
9329
	const struct firmware *firmware = bp->firmware;
9330 9331 9332
	struct bnx2x_fw_file_hdr *fw_hdr;
	struct bnx2x_fw_file_section *sections;
	u32 offset, len, num_ops;
9333
	u16 *ops_offsets;
9334
	int i;
9335
	const u8 *fw_ver;
9336 9337 9338 9339 9340 9341 9342 9343 9344 9345 9346 9347 9348

	if (firmware->size < sizeof(struct bnx2x_fw_file_hdr))
		return -EINVAL;

	fw_hdr = (struct bnx2x_fw_file_hdr *)firmware->data;
	sections = (struct bnx2x_fw_file_section *)fw_hdr;

	/* Make sure none of the offsets and sizes make us read beyond
	 * the end of the firmware data */
	for (i = 0; i < sizeof(*fw_hdr) / sizeof(*sections); i++) {
		offset = be32_to_cpu(sections[i].offset);
		len = be32_to_cpu(sections[i].len);
		if (offset + len > firmware->size) {
V
Vladislav Zolotarov 已提交
9349 9350
			dev_err(&bp->pdev->dev,
				"Section %d length is out of bounds\n", i);
9351 9352 9353 9354 9355 9356 9357 9358 9359 9360 9361
			return -EINVAL;
		}
	}

	/* Likewise for the init_ops offsets */
	offset = be32_to_cpu(fw_hdr->init_ops_offsets.offset);
	ops_offsets = (u16 *)(firmware->data + offset);
	num_ops = be32_to_cpu(fw_hdr->init_ops.len) / sizeof(struct raw_op);

	for (i = 0; i < be32_to_cpu(fw_hdr->init_ops_offsets.len) / 2; i++) {
		if (be16_to_cpu(ops_offsets[i]) > num_ops) {
V
Vladislav Zolotarov 已提交
9362 9363
			dev_err(&bp->pdev->dev,
				"Section offset %d is out of bounds\n", i);
9364 9365 9366 9367 9368 9369 9370 9371 9372 9373 9374
			return -EINVAL;
		}
	}

	/* Check FW version */
	offset = be32_to_cpu(fw_hdr->fw_version.offset);
	fw_ver = firmware->data + offset;
	if ((fw_ver[0] != BCM_5710_FW_MAJOR_VERSION) ||
	    (fw_ver[1] != BCM_5710_FW_MINOR_VERSION) ||
	    (fw_ver[2] != BCM_5710_FW_REVISION_VERSION) ||
	    (fw_ver[3] != BCM_5710_FW_ENGINEERING_VERSION)) {
V
Vladislav Zolotarov 已提交
9375 9376
		dev_err(&bp->pdev->dev,
			"Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
9377 9378 9379 9380 9381
		       fw_ver[0], fw_ver[1], fw_ver[2],
		       fw_ver[3], BCM_5710_FW_MAJOR_VERSION,
		       BCM_5710_FW_MINOR_VERSION,
		       BCM_5710_FW_REVISION_VERSION,
		       BCM_5710_FW_ENGINEERING_VERSION);
9382
		return -EINVAL;
9383 9384 9385 9386 9387
	}

	return 0;
}

9388
static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9389
{
9390 9391
	const __be32 *source = (const __be32 *)_source;
	u32 *target = (u32 *)_target;
9392 9393 9394 9395 9396 9397 9398 9399 9400 9401
	u32 i;

	for (i = 0; i < n/4; i++)
		target[i] = be32_to_cpu(source[i]);
}

/*
   Ops array is stored in the following format:
   {op(8bit), offset(24bit, big endian), data(32bit, big endian)}
 */
9402
static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
9403
{
9404 9405
	const __be32 *source = (const __be32 *)_source;
	struct raw_op *target = (struct raw_op *)_target;
9406 9407
	u32 i, j, tmp;

9408
	for (i = 0, j = 0; i < n/8; i++, j += 2) {
9409 9410
		tmp = be32_to_cpu(source[j]);
		target[i].op = (tmp >> 24) & 0xff;
V
Vladislav Zolotarov 已提交
9411 9412
		target[i].offset = tmp & 0xffffff;
		target[i].raw_data = be32_to_cpu(source[j + 1]);
9413 9414
	}
}
9415

9416 9417 9418 9419 9420 9421 9422 9423 9424 9425 9426 9427 9428 9429 9430 9431 9432 9433 9434 9435 9436 9437 9438 9439
/**
 * IRO array is stored in the following format:
 * {base(24bit), m1(16bit), m2(16bit), m3(16bit), size(16bit) }
 */
static inline void bnx2x_prep_iro(const u8 *_source, u8 *_target, u32 n)
{
	const __be32 *source = (const __be32 *)_source;
	struct iro *target = (struct iro *)_target;
	u32 i, j, tmp;

	for (i = 0, j = 0; i < n/sizeof(struct iro); i++) {
		target[i].base = be32_to_cpu(source[j]);
		j++;
		tmp = be32_to_cpu(source[j]);
		target[i].m1 = (tmp >> 16) & 0xffff;
		target[i].m2 = tmp & 0xffff;
		j++;
		tmp = be32_to_cpu(source[j]);
		target[i].m3 = (tmp >> 16) & 0xffff;
		target[i].size = tmp & 0xffff;
		j++;
	}
}

9440
static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9441
{
9442 9443
	const __be16 *source = (const __be16 *)_source;
	u16 *target = (u16 *)_target;
9444 9445 9446 9447 9448 9449
	u32 i;

	for (i = 0; i < n/2; i++)
		target[i] = be16_to_cpu(source[i]);
}

9450 9451 9452 9453 9454 9455 9456 9457 9458 9459 9460
#define BNX2X_ALLOC_AND_SET(arr, lbl, func)				\
do {									\
	u32 len = be32_to_cpu(fw_hdr->arr.len);				\
	bp->arr = kmalloc(len, GFP_KERNEL);				\
	if (!bp->arr) {							\
		pr_err("Failed to allocate %d bytes for "#arr"\n", len); \
		goto lbl;						\
	}								\
	func(bp->firmware->data + be32_to_cpu(fw_hdr->arr.offset),	\
	     (u8 *)bp->arr, len);					\
} while (0)
9461

9462
int bnx2x_init_firmware(struct bnx2x *bp)
9463
{
B
Ben Hutchings 已提交
9464
	const char *fw_file_name;
9465
	struct bnx2x_fw_file_hdr *fw_hdr;
B
Ben Hutchings 已提交
9466
	int rc;
9467 9468

	if (CHIP_IS_E1(bp))
B
Ben Hutchings 已提交
9469
		fw_file_name = FW_FILE_NAME_E1;
V
Vladislav Zolotarov 已提交
9470
	else if (CHIP_IS_E1H(bp))
B
Ben Hutchings 已提交
9471
		fw_file_name = FW_FILE_NAME_E1H;
D
Dmitry Kravkov 已提交
9472 9473
	else if (CHIP_IS_E2(bp))
		fw_file_name = FW_FILE_NAME_E2;
V
Vladislav Zolotarov 已提交
9474
	else {
9475
		BNX2X_ERR("Unsupported chip revision\n");
V
Vladislav Zolotarov 已提交
9476 9477
		return -EINVAL;
	}
9478

9479
	BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
9480

9481
	rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
9482
	if (rc) {
9483
		BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
9484 9485 9486 9487 9488
		goto request_firmware_exit;
	}

	rc = bnx2x_check_firmware(bp);
	if (rc) {
9489
		BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
9490 9491 9492 9493 9494 9495 9496 9497 9498 9499 9500 9501 9502
		goto request_firmware_exit;
	}

	fw_hdr = (struct bnx2x_fw_file_hdr *)bp->firmware->data;

	/* Initialize the pointers to the init arrays */
	/* Blob */
	BNX2X_ALLOC_AND_SET(init_data, request_firmware_exit, be32_to_cpu_n);

	/* Opcodes */
	BNX2X_ALLOC_AND_SET(init_ops, init_ops_alloc_err, bnx2x_prep_ops);

	/* Offsets */
9503 9504
	BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
			    be16_to_cpu_n);
9505 9506

	/* STORMs firmware */
9507 9508 9509 9510 9511 9512 9513 9514 9515 9516 9517 9518 9519 9520 9521 9522
	INIT_TSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
			be32_to_cpu(fw_hdr->tsem_int_table_data.offset);
	INIT_TSEM_PRAM_DATA(bp)      = bp->firmware->data +
			be32_to_cpu(fw_hdr->tsem_pram_data.offset);
	INIT_USEM_INT_TABLE_DATA(bp) = bp->firmware->data +
			be32_to_cpu(fw_hdr->usem_int_table_data.offset);
	INIT_USEM_PRAM_DATA(bp)      = bp->firmware->data +
			be32_to_cpu(fw_hdr->usem_pram_data.offset);
	INIT_XSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
			be32_to_cpu(fw_hdr->xsem_int_table_data.offset);
	INIT_XSEM_PRAM_DATA(bp)      = bp->firmware->data +
			be32_to_cpu(fw_hdr->xsem_pram_data.offset);
	INIT_CSEM_INT_TABLE_DATA(bp) = bp->firmware->data +
			be32_to_cpu(fw_hdr->csem_int_table_data.offset);
	INIT_CSEM_PRAM_DATA(bp)      = bp->firmware->data +
			be32_to_cpu(fw_hdr->csem_pram_data.offset);
9523 9524
	/* IRO */
	BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
9525 9526

	return 0;
9527

9528 9529
iro_alloc_err:
	kfree(bp->init_ops_offsets);
9530 9531 9532 9533 9534 9535 9536 9537 9538 9539
init_offsets_alloc_err:
	kfree(bp->init_ops);
init_ops_alloc_err:
	kfree(bp->init_data);
request_firmware_exit:
	release_firmware(bp->firmware);

	return rc;
}

9540 9541 9542
static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
{
	int cid_count = L2_FP_COUNT(l2_cid_count);
9543

9544 9545 9546 9547 9548
#ifdef BCM_CNIC
	cid_count += CNIC_CID_MAX;
#endif
	return roundup(cid_count, QM_CID_ROUND);
}
D
Dmitry Kravkov 已提交
9549

E
Eliezer Tamir 已提交
9550 9551 9552 9553 9554
static int __devinit bnx2x_init_one(struct pci_dev *pdev,
				    const struct pci_device_id *ent)
{
	struct net_device *dev = NULL;
	struct bnx2x *bp;
9555
	int pcie_width, pcie_speed;
9556 9557
	int rc, cid_count;

D
Dmitry Kravkov 已提交
9558 9559 9560 9561 9562 9563 9564 9565 9566 9567 9568
	switch (ent->driver_data) {
	case BCM57710:
	case BCM57711:
	case BCM57711E:
		cid_count = FP_SB_MAX_E1x;
		break;

	case BCM57712:
	case BCM57712E:
		cid_count = FP_SB_MAX_E2;
		break;
E
Eliezer Tamir 已提交
9569

D
Dmitry Kravkov 已提交
9570 9571 9572
	default:
		pr_err("Unknown board_type (%ld), aborting\n",
			   ent->driver_data);
V
Vasiliy Kulikov 已提交
9573
		return -ENODEV;
D
Dmitry Kravkov 已提交
9574 9575
	}

V
Vladislav Zolotarov 已提交
9576
	cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
D
Dmitry Kravkov 已提交
9577

E
Eliezer Tamir 已提交
9578
	/* dev zeroed in init_etherdev */
9579
	dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
9580
	if (!dev) {
V
Vladislav Zolotarov 已提交
9581
		dev_err(&pdev->dev, "Cannot allocate net device\n");
E
Eliezer Tamir 已提交
9582
		return -ENOMEM;
9583
	}
E
Eliezer Tamir 已提交
9584 9585

	bp = netdev_priv(dev);
9586
	bp->msg_enable = debug;
E
Eliezer Tamir 已提交
9587

9588 9589
	pci_set_drvdata(pdev, dev);

9590 9591
	bp->l2_cid_count = cid_count;

9592
	rc = bnx2x_init_dev(pdev, dev);
E
Eliezer Tamir 已提交
9593 9594 9595 9596 9597
	if (rc < 0) {
		free_netdev(dev);
		return rc;
	}

9598
	rc = bnx2x_init_bp(bp);
9599 9600 9601
	if (rc)
		goto init_one_exit;

9602 9603 9604
	/* calc qm_cid_count */
	bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);

V
Vladislav Zolotarov 已提交
9605 9606 9607 9608 9609 9610 9611
#ifdef BCM_CNIC
	/* disable FCOE L2 queue for E1x*/
	if (CHIP_IS_E1x(bp))
		bp->flags |= NO_FCOE_FLAG;

#endif

L
Lucas De Marchi 已提交
9612
	/* Configure interrupt mode: try to enable MSI-X/MSI if
9613 9614 9615 9616 9617 9618 9619
	 * needed, set bp->num_queues appropriately.
	 */
	bnx2x_set_int_mode(bp);

	/* Add all NAPI objects */
	bnx2x_add_all_napi(bp);

9620 9621 9622 9623 9624 9625
	rc = register_netdev(dev);
	if (rc) {
		dev_err(&pdev->dev, "Cannot register net device\n");
		goto init_one_exit;
	}

V
Vladislav Zolotarov 已提交
9626 9627 9628 9629 9630 9631 9632 9633 9634
#ifdef BCM_CNIC
	if (!NO_FCOE(bp)) {
		/* Add storage MAC address */
		rtnl_lock();
		dev_addr_add(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
		rtnl_unlock();
	}
#endif

9635
	bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
9636

V
Vladislav Zolotarov 已提交
9637 9638 9639
	netdev_info(dev, "%s (%c%d) PCI-E x%d %s found at mem %lx,"
	       " IRQ %d, ", board_info[ent->driver_data].name,
	       (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4),
D
Dmitry Kravkov 已提交
9640 9641 9642 9643
	       pcie_width,
	       ((!CHIP_IS_E2(bp) && pcie_speed == 2) ||
		 (CHIP_IS_E2(bp) && pcie_speed == 1)) ?
						"5GHz (Gen2)" : "2.5GHz",
V
Vladislav Zolotarov 已提交
9644 9645
	       dev->base_addr, bp->pdev->irq);
	pr_cont("node addr %pM\n", dev->dev_addr);
E
Eilon Greenstein 已提交
9646

E
Eliezer Tamir 已提交
9647
	return 0;
9648 9649 9650 9651 9652 9653 9654 9655 9656 9657 9658 9659 9660 9661 9662 9663 9664

init_one_exit:
	if (bp->regview)
		iounmap(bp->regview);

	if (bp->doorbells)
		iounmap(bp->doorbells);

	free_netdev(dev);

	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);

	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);

	return rc;
E
Eliezer Tamir 已提交
9665 9666 9667 9668 9669
}

static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
9670 9671 9672
	struct bnx2x *bp;

	if (!dev) {
V
Vladislav Zolotarov 已提交
9673
		dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
9674 9675 9676
		return;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
9677

V
Vladislav Zolotarov 已提交
9678 9679 9680 9681 9682 9683 9684 9685 9686
#ifdef BCM_CNIC
	/* Delete storage MAC address */
	if (!NO_FCOE(bp)) {
		rtnl_lock();
		dev_addr_del(bp->dev, bp->fip_mac, NETDEV_HW_ADDR_T_SAN);
		rtnl_unlock();
	}
#endif

9687 9688 9689 9690 9691
#ifdef BCM_DCBNL
	/* Delete app tlvs from dcbnl */
	bnx2x_dcbnl_update_applist(bp, true);
#endif

E
Eliezer Tamir 已提交
9692 9693
	unregister_netdev(dev);

9694 9695 9696
	/* Delete all NAPI objects */
	bnx2x_del_all_napi(bp);

9697 9698 9699
	/* Power on: we can't let PCI layer write to us while we are in D3 */
	bnx2x_set_power_state(bp, PCI_D0);

9700 9701
	/* Disable MSI/MSI-X */
	bnx2x_disable_msi(bp);
D
Dmitry Kravkov 已提交
9702

9703 9704 9705
	/* Power off */
	bnx2x_set_power_state(bp, PCI_D3hot);

9706 9707 9708
	/* Make sure RESET task is not scheduled before continuing */
	cancel_delayed_work_sync(&bp->reset_task);

E
Eliezer Tamir 已提交
9709 9710 9711 9712 9713 9714
	if (bp->regview)
		iounmap(bp->regview);

	if (bp->doorbells)
		iounmap(bp->doorbells);

9715 9716
	bnx2x_free_mem_bp(bp);

E
Eliezer Tamir 已提交
9717
	free_netdev(dev);
9718 9719 9720 9721

	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);

E
Eliezer Tamir 已提交
9722 9723 9724 9725
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

Y
Yitchak Gertner 已提交
9726 9727 9728 9729 9730 9731 9732 9733 9734
static int bnx2x_eeh_nic_unload(struct bnx2x *bp)
{
	int i;

	bp->state = BNX2X_STATE_ERROR;

	bp->rx_mode = BNX2X_RX_MODE_NONE;

	bnx2x_netif_stop(bp, 0);
9735
	netif_carrier_off(bp->dev);
Y
Yitchak Gertner 已提交
9736 9737 9738 9739 9740 9741

	del_timer_sync(&bp->timer);
	bp->stats_state = STATS_STATE_DISABLED;
	DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");

	/* Release IRQs */
9742
	bnx2x_free_irq(bp);
Y
Yitchak Gertner 已提交
9743 9744 9745

	/* Free SKBs, SGEs, TPA pool and driver internals */
	bnx2x_free_skbs(bp);
9746

V
Vladislav Zolotarov 已提交
9747
	for_each_rx_queue(bp, i)
Y
Yitchak Gertner 已提交
9748
		bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
9749

Y
Yitchak Gertner 已提交
9750 9751 9752 9753 9754 9755 9756 9757 9758 9759 9760 9761 9762 9763 9764 9765 9766 9767 9768 9769 9770 9771 9772 9773 9774 9775 9776 9777 9778 9779 9780
	bnx2x_free_mem(bp);

	bp->state = BNX2X_STATE_CLOSED;

	return 0;
}

static void bnx2x_eeh_recover(struct bnx2x *bp)
{
	u32 val;

	mutex_init(&bp->port.phy_mutex);

	bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR);
	bp->link_params.shmem_base = bp->common.shmem_base;
	BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base);

	if (!bp->common.shmem_base ||
	    (bp->common.shmem_base < 0xA0000) ||
	    (bp->common.shmem_base >= 0xC0000)) {
		BNX2X_DEV_INFO("MCP not active\n");
		bp->flags |= NO_MCP_FLAG;
		return;
	}

	val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]);
	if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		!= (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
		BNX2X_ERR("BAD MCP validity signature\n");

	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
9781 9782 9783
		bp->fw_seq =
		    (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
		    DRV_MSG_SEQ_NUMBER_MASK);
Y
Yitchak Gertner 已提交
9784 9785 9786 9787
		BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
	}
}

W
Wendy Xiong 已提交
9788 9789 9790 9791 9792 9793 9794 9795 9796 9797 9798 9799 9800 9801 9802 9803 9804 9805
/**
 * bnx2x_io_error_detected - called when PCI error is detected
 * @pdev: Pointer to PCI device
 * @state: The current pci connection state
 *
 * This function is called after a PCI bus error affecting
 * this device has been detected.
 */
static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev,
						pci_channel_state_t state)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

	rtnl_lock();

	netif_device_detach(dev);

9806 9807 9808 9809 9810
	if (state == pci_channel_io_perm_failure) {
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

W
Wendy Xiong 已提交
9811
	if (netif_running(dev))
Y
Yitchak Gertner 已提交
9812
		bnx2x_eeh_nic_unload(bp);
W
Wendy Xiong 已提交
9813 9814 9815 9816 9817 9818 9819 9820 9821 9822 9823 9824 9825 9826 9827 9828 9829 9830 9831 9832 9833 9834 9835 9836 9837 9838 9839 9840 9841 9842 9843 9844 9845 9846 9847 9848 9849 9850 9851 9852 9853 9854 9855 9856 9857 9858 9859 9860 9861 9862 9863 9864

	pci_disable_device(pdev);

	rtnl_unlock();

	/* Request a slot reset */
	return PCI_ERS_RESULT_NEED_RESET;
}

/**
 * bnx2x_io_slot_reset - called after the PCI bus has been reset
 * @pdev: Pointer to PCI device
 *
 * Restart the card from scratch, as if from a cold-boot.
 */
static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

	rtnl_lock();

	if (pci_enable_device(pdev)) {
		dev_err(&pdev->dev,
			"Cannot re-enable PCI device after reset\n");
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

	pci_set_master(pdev);
	pci_restore_state(pdev);

	if (netif_running(dev))
		bnx2x_set_power_state(bp, PCI_D0);

	rtnl_unlock();

	return PCI_ERS_RESULT_RECOVERED;
}

/**
 * bnx2x_io_resume - called when traffic can start flowing again
 * @pdev: Pointer to PCI device
 *
 * This callback is called when the error recovery driver tells us that
 * its OK to resume normal operation.
 */
static void bnx2x_io_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct bnx2x *bp = netdev_priv(dev);

9865
	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
D
Dmitry Kravkov 已提交
9866 9867
		printk(KERN_ERR "Handling parity error recovery. "
				"Try again later\n");
9868 9869 9870
		return;
	}

W
Wendy Xiong 已提交
9871 9872
	rtnl_lock();

Y
Yitchak Gertner 已提交
9873 9874
	bnx2x_eeh_recover(bp);

W
Wendy Xiong 已提交
9875
	if (netif_running(dev))
Y
Yitchak Gertner 已提交
9876
		bnx2x_nic_load(bp, LOAD_NORMAL);
W
Wendy Xiong 已提交
9877 9878 9879 9880 9881 9882 9883 9884

	netif_device_attach(dev);

	rtnl_unlock();
}

static struct pci_error_handlers bnx2x_err_handler = {
	.error_detected = bnx2x_io_error_detected,
E
Eilon Greenstein 已提交
9885 9886
	.slot_reset     = bnx2x_io_slot_reset,
	.resume         = bnx2x_io_resume,
W
Wendy Xiong 已提交
9887 9888
};

E
Eliezer Tamir 已提交
9889
static struct pci_driver bnx2x_pci_driver = {
W
Wendy Xiong 已提交
9890 9891 9892 9893 9894 9895 9896
	.name        = DRV_MODULE_NAME,
	.id_table    = bnx2x_pci_tbl,
	.probe       = bnx2x_init_one,
	.remove      = __devexit_p(bnx2x_remove_one),
	.suspend     = bnx2x_suspend,
	.resume      = bnx2x_resume,
	.err_handler = &bnx2x_err_handler,
E
Eliezer Tamir 已提交
9897 9898 9899 9900
};

static int __init bnx2x_init(void)
{
9901 9902
	int ret;

9903
	pr_info("%s", version);
9904

9905 9906
	bnx2x_wq = create_singlethread_workqueue("bnx2x");
	if (bnx2x_wq == NULL) {
9907
		pr_err("Cannot create workqueue\n");
9908 9909 9910
		return -ENOMEM;
	}

9911 9912
	ret = pci_register_driver(&bnx2x_pci_driver);
	if (ret) {
9913
		pr_err("Cannot register driver\n");
9914 9915 9916
		destroy_workqueue(bnx2x_wq);
	}
	return ret;
E
Eliezer Tamir 已提交
9917 9918 9919 9920 9921
}

static void __exit bnx2x_cleanup(void)
{
	pci_unregister_driver(&bnx2x_pci_driver);
9922 9923

	destroy_workqueue(bnx2x_wq);
E
Eliezer Tamir 已提交
9924 9925 9926 9927 9928
}

module_init(bnx2x_init);
module_exit(bnx2x_cleanup);

9929 9930 9931 9932 9933 9934 9935 9936 9937 9938 9939 9940 9941
#ifdef BCM_CNIC

/* count denotes the number of new completions we have seen */
static void bnx2x_cnic_sp_post(struct bnx2x *bp, int count)
{
	struct eth_spe *spe;

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return;
#endif

	spin_lock_bh(&bp->spq_lock);
9942
	BUG_ON(bp->cnic_spq_pending < count);
9943 9944 9945
	bp->cnic_spq_pending -= count;


9946 9947 9948 9949 9950 9951 9952 9953 9954 9955 9956 9957 9958 9959 9960 9961 9962 9963 9964
	for (; bp->cnic_kwq_pending; bp->cnic_kwq_pending--) {
		u16 type =  (le16_to_cpu(bp->cnic_kwq_cons->hdr.type)
				& SPE_HDR_CONN_TYPE) >>
				SPE_HDR_CONN_TYPE_SHIFT;

		/* Set validation for iSCSI L2 client before sending SETUP
		 *  ramrod
		 */
		if (type == ETH_CONNECTION_TYPE) {
			u8 cmd = (le32_to_cpu(bp->cnic_kwq_cons->
					     hdr.conn_and_cmd_data) >>
				SPE_HDR_CMD_ID_SHIFT) & 0xff;

			if (cmd == RAMROD_CMD_ID_ETH_CLIENT_SETUP)
				bnx2x_set_ctx_validation(&bp->context.
						vcxt[BNX2X_ISCSI_ETH_CID].eth,
					HW_CID(bp, BNX2X_ISCSI_ETH_CID));
		}

9965 9966 9967 9968
		/* There may be not more than 8 L2 and not more than 8 L5 SPEs
		 * We also check that the number of outstanding
		 * COMMON ramrods is not more than the EQ and SPQ can
		 * accommodate.
9969
		 */
9970 9971 9972 9973 9974 9975 9976
		if (type == ETH_CONNECTION_TYPE) {
			if (!atomic_read(&bp->cq_spq_left))
				break;
			else
				atomic_dec(&bp->cq_spq_left);
		} else if (type == NONE_CONNECTION_TYPE) {
			if (!atomic_read(&bp->eq_spq_left))
9977 9978
				break;
			else
9979
				atomic_dec(&bp->eq_spq_left);
V
Vladislav Zolotarov 已提交
9980 9981
		} else if ((type == ISCSI_CONNECTION_TYPE) ||
			   (type == FCOE_CONNECTION_TYPE)) {
9982 9983 9984 9985 9986 9987 9988 9989
			if (bp->cnic_spq_pending >=
			    bp->cnic_eth_dev.max_kwqe_pending)
				break;
			else
				bp->cnic_spq_pending++;
		} else {
			BNX2X_ERR("Unknown SPE type: %d\n", type);
			bnx2x_panic();
9990
			break;
9991
		}
9992 9993 9994 9995 9996 9997 9998 9999 10000 10001 10002 10003 10004 10005 10006 10007 10008 10009 10010 10011 10012 10013 10014 10015 10016 10017 10018 10019 10020 10021 10022 10023 10024 10025 10026 10027 10028 10029 10030 10031 10032

		spe = bnx2x_sp_get_next(bp);
		*spe = *bp->cnic_kwq_cons;

		DP(NETIF_MSG_TIMER, "pending on SPQ %d, on KWQ %d count %d\n",
		   bp->cnic_spq_pending, bp->cnic_kwq_pending, count);

		if (bp->cnic_kwq_cons == bp->cnic_kwq_last)
			bp->cnic_kwq_cons = bp->cnic_kwq;
		else
			bp->cnic_kwq_cons++;
	}
	bnx2x_sp_prod_update(bp);
	spin_unlock_bh(&bp->spq_lock);
}

static int bnx2x_cnic_sp_queue(struct net_device *dev,
			       struct kwqe_16 *kwqes[], u32 count)
{
	struct bnx2x *bp = netdev_priv(dev);
	int i;

#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return -EIO;
#endif

	spin_lock_bh(&bp->spq_lock);

	for (i = 0; i < count; i++) {
		struct eth_spe *spe = (struct eth_spe *)kwqes[i];

		if (bp->cnic_kwq_pending == MAX_SP_DESC_CNT)
			break;

		*bp->cnic_kwq_prod = *spe;

		bp->cnic_kwq_pending++;

		DP(NETIF_MSG_TIMER, "L5 SPQE %x %x %x:%x pos %d\n",
		   spe->hdr.conn_and_cmd_data, spe->hdr.type,
10033 10034
		   spe->data.update_data_addr.hi,
		   spe->data.update_data_addr.lo,
10035 10036 10037 10038 10039 10040 10041 10042 10043 10044 10045 10046 10047 10048 10049 10050 10051 10052 10053 10054 10055 10056
		   bp->cnic_kwq_pending);

		if (bp->cnic_kwq_prod == bp->cnic_kwq_last)
			bp->cnic_kwq_prod = bp->cnic_kwq;
		else
			bp->cnic_kwq_prod++;
	}

	spin_unlock_bh(&bp->spq_lock);

	if (bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending)
		bnx2x_cnic_sp_post(bp, 0);

	return i;
}

static int bnx2x_cnic_ctl_send(struct bnx2x *bp, struct cnic_ctl_info *ctl)
{
	struct cnic_ops *c_ops;
	int rc = 0;

	mutex_lock(&bp->cnic_mutex);
10057 10058
	c_ops = rcu_dereference_protected(bp->cnic_ops,
					  lockdep_is_held(&bp->cnic_mutex));
10059 10060 10061 10062 10063 10064 10065 10066 10067 10068 10069 10070 10071 10072 10073 10074 10075 10076 10077 10078 10079 10080 10081 10082
	if (c_ops)
		rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
	mutex_unlock(&bp->cnic_mutex);

	return rc;
}

static int bnx2x_cnic_ctl_send_bh(struct bnx2x *bp, struct cnic_ctl_info *ctl)
{
	struct cnic_ops *c_ops;
	int rc = 0;

	rcu_read_lock();
	c_ops = rcu_dereference(bp->cnic_ops);
	if (c_ops)
		rc = c_ops->cnic_ctl(bp->cnic_data, ctl);
	rcu_read_unlock();

	return rc;
}

/*
 * for commands that have no data
 */
D
Dmitry Kravkov 已提交
10083
int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
10084 10085 10086 10087 10088 10089 10090 10091 10092 10093 10094 10095 10096 10097 10098 10099 10100
{
	struct cnic_ctl_info ctl = {0};

	ctl.cmd = cmd;

	return bnx2x_cnic_ctl_send(bp, &ctl);
}

static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid)
{
	struct cnic_ctl_info ctl;

	/* first we tell CNIC and only then we count this as a completion */
	ctl.cmd = CNIC_CTL_COMPLETION_CMD;
	ctl.data.comp.cid = cid;

	bnx2x_cnic_ctl_send_bh(bp, &ctl);
10101
	bnx2x_cnic_sp_post(bp, 0);
10102 10103 10104 10105 10106 10107 10108 10109 10110 10111 10112 10113 10114 10115 10116 10117
}

static int bnx2x_drv_ctl(struct net_device *dev, struct drv_ctl_info *ctl)
{
	struct bnx2x *bp = netdev_priv(dev);
	int rc = 0;

	switch (ctl->cmd) {
	case DRV_CTL_CTXTBL_WR_CMD: {
		u32 index = ctl->data.io.offset;
		dma_addr_t addr = ctl->data.io.dma_addr;

		bnx2x_ilt_wr(bp, index, addr);
		break;
	}

10118 10119
	case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
		int count = ctl->data.credit.credit_count;
10120 10121 10122 10123 10124 10125 10126 10127 10128

		bnx2x_cnic_sp_post(bp, count);
		break;
	}

	/* rtnl_lock is held.  */
	case DRV_CTL_START_L2_CMD: {
		u32 cli = ctl->data.ring.client_id;

V
Vladislav Zolotarov 已提交
10129 10130 10131
		/* Clear FCoE FIP and ALL ENODE MACs addresses first */
		bnx2x_del_fcoe_eth_macs(bp);

10132 10133 10134 10135 10136 10137 10138 10139 10140 10141 10142 10143 10144 10145 10146 10147 10148 10149
		/* Set iSCSI MAC address */
		bnx2x_set_iscsi_eth_mac_addr(bp, 1);

		mmiowb();
		barrier();

		/* Start accepting on iSCSI L2 ring. Accept all multicasts
		 * because it's the only way for UIO Client to accept
		 * multicasts (in non-promiscuous mode only one Client per
		 * function will receive multicast packets (leading in our
		 * case).
		 */
		bnx2x_rxq_set_mac_filters(bp, cli,
			BNX2X_ACCEPT_UNICAST |
			BNX2X_ACCEPT_BROADCAST |
			BNX2X_ACCEPT_ALL_MULTICAST);
		storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));

10150 10151 10152 10153 10154 10155 10156
		break;
	}

	/* rtnl_lock is held.  */
	case DRV_CTL_STOP_L2_CMD: {
		u32 cli = ctl->data.ring.client_id;

10157 10158 10159 10160 10161 10162 10163 10164 10165
		/* Stop accepting on iSCSI L2 ring */
		bnx2x_rxq_set_mac_filters(bp, cli, BNX2X_ACCEPT_NONE);
		storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));

		mmiowb();
		barrier();

		/* Unset iSCSI L2 MAC */
		bnx2x_set_iscsi_eth_mac_addr(bp, 0);
10166 10167
		break;
	}
10168 10169 10170 10171
	case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
		int count = ctl->data.credit.credit_count;

		smp_mb__before_atomic_inc();
10172
		atomic_add(count, &bp->cq_spq_left);
10173 10174 10175
		smp_mb__after_atomic_inc();
		break;
	}
10176

10177 10178 10179 10180 10181
	case DRV_CTL_ISCSI_STOPPED_CMD: {
		bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED);
		break;
	}

10182 10183 10184 10185 10186 10187 10188 10189
	default:
		BNX2X_ERR("unknown command %x\n", ctl->cmd);
		rc = -EINVAL;
	}

	return rc;
}

D
Dmitry Kravkov 已提交
10190
void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
10191 10192 10193 10194 10195 10196 10197 10198 10199 10200 10201
{
	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;

	if (bp->flags & USING_MSIX_FLAG) {
		cp->drv_state |= CNIC_DRV_STATE_USING_MSIX;
		cp->irq_arr[0].irq_flags |= CNIC_IRQ_FL_MSIX;
		cp->irq_arr[0].vector = bp->msix_table[1].vector;
	} else {
		cp->drv_state &= ~CNIC_DRV_STATE_USING_MSIX;
		cp->irq_arr[0].irq_flags &= ~CNIC_IRQ_FL_MSIX;
	}
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Dmitry Kravkov 已提交
10202 10203 10204 10205 10206
	if (CHIP_IS_E2(bp))
		cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e2_sb;
	else
		cp->irq_arr[0].status_blk = (void *)bp->cnic_sb.e1x_sb;

10207
	cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
10208
	cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
10209 10210
	cp->irq_arr[1].status_blk = bp->def_status_blk;
	cp->irq_arr[1].status_blk_num = DEF_SB_ID;
10211
	cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
10212 10213 10214 10215 10216 10217 10218 10219 10220 10221 10222 10223 10224 10225 10226 10227 10228 10229 10230 10231 10232 10233 10234 10235 10236 10237 10238 10239 10240 10241 10242

	cp->num_irq = 2;
}

static int bnx2x_register_cnic(struct net_device *dev, struct cnic_ops *ops,
			       void *data)
{
	struct bnx2x *bp = netdev_priv(dev);
	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;

	if (ops == NULL)
		return -EINVAL;

	if (atomic_read(&bp->intr_sem) != 0)
		return -EBUSY;

	bp->cnic_kwq = kzalloc(PAGE_SIZE, GFP_KERNEL);
	if (!bp->cnic_kwq)
		return -ENOMEM;

	bp->cnic_kwq_cons = bp->cnic_kwq;
	bp->cnic_kwq_prod = bp->cnic_kwq;
	bp->cnic_kwq_last = bp->cnic_kwq + MAX_SP_DESC_CNT;

	bp->cnic_spq_pending = 0;
	bp->cnic_kwq_pending = 0;

	bp->cnic_data = data;

	cp->num_irq = 0;
	cp->drv_state = CNIC_DRV_STATE_REGD;
10243
	cp->iro_arr = bp->iro_arr;
10244 10245

	bnx2x_setup_cnic_irq_info(bp);
10246

10247 10248 10249 10250 10251 10252 10253 10254 10255 10256 10257 10258 10259 10260 10261 10262 10263 10264 10265 10266 10267 10268 10269 10270 10271 10272
	rcu_assign_pointer(bp->cnic_ops, ops);

	return 0;
}

static int bnx2x_unregister_cnic(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);
	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;

	mutex_lock(&bp->cnic_mutex);
	cp->drv_state = 0;
	rcu_assign_pointer(bp->cnic_ops, NULL);
	mutex_unlock(&bp->cnic_mutex);
	synchronize_rcu();
	kfree(bp->cnic_kwq);
	bp->cnic_kwq = NULL;

	return 0;
}

struct cnic_eth_dev *bnx2x_cnic_probe(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);
	struct cnic_eth_dev *cp = &bp->cnic_eth_dev;

10273 10274 10275 10276 10277 10278 10279
	/* If both iSCSI and FCoE are disabled - return NULL in
	 * order to indicate CNIC that it should not try to work
	 * with this device.
	 */
	if (NO_ISCSI(bp) && NO_FCOE(bp))
		return NULL;

10280 10281 10282 10283 10284 10285
	cp->drv_owner = THIS_MODULE;
	cp->chip_id = CHIP_ID(bp);
	cp->pdev = bp->pdev;
	cp->io_base = bp->regview;
	cp->io_base2 = bp->doorbells;
	cp->max_kwqe_pending = 8;
10286
	cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
10287 10288
	cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
			     bnx2x_cid_ilt_lines(bp);
10289
	cp->ctx_tbl_len = CNIC_ILT_LINES;
10290
	cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
10291 10292 10293 10294
	cp->drv_submit_kwqes_16 = bnx2x_cnic_sp_queue;
	cp->drv_ctl = bnx2x_drv_ctl;
	cp->drv_register_cnic = bnx2x_register_cnic;
	cp->drv_unregister_cnic = bnx2x_unregister_cnic;
V
Vladislav Zolotarov 已提交
10295 10296 10297
	cp->fcoe_init_cid = BNX2X_FCOE_ETH_CID;
	cp->iscsi_l2_client_id = BNX2X_ISCSI_ETH_CL_ID +
		BP_E1HVN(bp) * NONE_ETH_CONTEXT_USE;
10298 10299
	cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;

10300 10301 10302 10303 10304 10305 10306 10307 10308
	if (NO_ISCSI_OOO(bp))
		cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI_OOO;

	if (NO_ISCSI(bp))
		cp->drv_state |= CNIC_DRV_STATE_NO_ISCSI;

	if (NO_FCOE(bp))
		cp->drv_state |= CNIC_DRV_STATE_NO_FCOE;

10309 10310 10311 10312 10313 10314
	DP(BNX2X_MSG_SP, "page_size %d, tbl_offset %d, tbl_lines %d, "
			 "starting cid %d\n",
	   cp->ctx_blk_size,
	   cp->ctx_tbl_offset,
	   cp->ctx_tbl_len,
	   cp->starting_cid);
10315 10316 10317 10318 10319
	return cp;
}
EXPORT_SYMBOL(bnx2x_cnic_probe);

#endif /* BCM_CNIC */
10320