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) 2007-2010 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);
	int cnt = CHIP_REV_IS_SLOW(bp) ? (400000) : 40;
	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)
E
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648
{
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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830 831
		}
	}
832

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833 834
	return rc;
}
E
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835

E
Eliezer Tamir 已提交
836 837
static void bnx2x_fw_dump(struct bnx2x *bp)
{
V
Vladislav Zolotarov 已提交
838
	u32 addr;
E
Eliezer Tamir 已提交
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;
	}
V
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
Dmitry Kravkov 已提交
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
Eliezer Tamir 已提交
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 3669 3670 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
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  ||
	    cid < bp->cnic_eth_dev.starting_cid)
		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
3702
	/* This function may never run in parallel with itself for a
3703 3704 3705 3706 3707 3708
	 * specific bp, thus there is no need in "paired" read memory
	 * barrier here.
	 */
	sw_cons = bp->eq_cons;
	sw_prod = bp->eq_prod;

3709 3710
	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));
3711 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

	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
3740 3741 3742
			if (cid == BNX2X_FCOE_ETH_CID)
				bnx2x_fcoe(bp, state) = BNX2X_FP_STATE_CLOSED;
			else
3743
#endif
V
Vladislav Zolotarov 已提交
3744
				bnx2x_fp(bp, cid, state) =
3745 3746 3747
						BNX2X_FP_STATE_CLOSED;

			goto next_spqe;
V
Vladislav Zolotarov 已提交
3748 3749 3750 3751 3752 3753 3754 3755 3756

		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;
3757 3758 3759 3760 3761 3762 3763 3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774
		}

		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");
3775 3776
			if (elem->message.data.set_mac_event.echo)
				bp->set_mac_pending = 0;
3777 3778 3779 3780 3781
			break;

		case (EVENT_RING_OPCODE_SET_MAC |
		      BNX2X_STATE_CLOSING_WAIT4_HALT):
			DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
3782 3783
			if (elem->message.data.set_mac_event.echo)
				bp->set_mac_pending = 0;
3784 3785 3786 3787 3788 3789 3790 3791 3792 3793
			break;
		default:
			/* unknown event log error and continue */
			BNX2X_ERR("Unknown EQ event %d\n",
				  elem->message.opcode);
		}
next_spqe:
		spqe_cnt++;
	} /* for */

3794
	smp_mb__before_atomic_inc();
3795
	atomic_add(spqe_cnt, &bp->eq_spq_left);
3796 3797 3798 3799 3800 3801 3802 3803 3804 3805

	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
3806 3807
static void bnx2x_sp_task(struct work_struct *work)
{
3808
	struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
E
Eliezer Tamir 已提交
3809 3810 3811 3812
	u16 status;

	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3813
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
E
Eliezer Tamir 已提交
3814 3815 3816 3817
		return;
	}

	status = bnx2x_update_dsb_idx(bp);
3818 3819
/*	if (status == 0)				     */
/*		BNX2X_ERR("spurious slowpath interrupt!\n"); */
E
Eliezer Tamir 已提交
3820

V
Vladislav Zolotarov 已提交
3821
	DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
E
Eliezer Tamir 已提交
3822

3823
	/* HW attentions */
3824
	if (status & BNX2X_DEF_SB_ATT_IDX) {
E
Eliezer Tamir 已提交
3825
		bnx2x_attn_int(bp);
3826
		status &= ~BNX2X_DEF_SB_ATT_IDX;
V
Vladislav Zolotarov 已提交
3827 3828
	}

3829 3830
	/* SP events: STAT_QUERY and others */
	if (status & BNX2X_DEF_SB_IDX) {
V
Vladislav Zolotarov 已提交
3831 3832
#ifdef BCM_CNIC
		struct bnx2x_fastpath *fp = bnx2x_fcoe_fp(bp);
3833

V
Vladislav Zolotarov 已提交
3834 3835 3836 3837
		if ((!NO_FCOE(bp)) &&
			(bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)))
			napi_schedule(&bnx2x_fcoe(bp, napi));
#endif
3838 3839 3840 3841 3842 3843 3844
		/* 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
3845 3846 3847 3848 3849
	}

	if (unlikely(status))
		DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
		   status);
E
Eliezer Tamir 已提交
3850

3851 3852
	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
3853 3854
}

D
Dmitry Kravkov 已提交
3855
irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
E
Eliezer Tamir 已提交
3856 3857 3858 3859 3860 3861
{
	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)) {
3862
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
E
Eliezer Tamir 已提交
3863 3864 3865
		return IRQ_HANDLED;
	}

3866 3867
	bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
		     IGU_INT_DISABLE, 0);
E
Eliezer Tamir 已提交
3868 3869 3870 3871 3872 3873

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

3874 3875 3876 3877 3878 3879 3880 3881 3882 3883 3884
#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
3885
	queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
E
Eliezer Tamir 已提交
3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899

	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
3900
		goto timer_restart;
E
Eliezer Tamir 已提交
3901 3902 3903 3904

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

3905
		bnx2x_tx_int(fp);
3906
		bnx2x_rx_int(fp, 1000);
E
Eliezer Tamir 已提交
3907 3908
	}

3909
	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
3910
		int mb_idx = BP_FW_MB_IDX(bp);
E
Eliezer Tamir 已提交
3911 3912 3913 3914 3915 3916 3917
		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
3918
		SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
E
Eliezer Tamir 已提交
3919

D
Dmitry Kravkov 已提交
3920
		mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
E
Eliezer Tamir 已提交
3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932
			     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);
		}
	}

3933
	if (bp->state == BNX2X_STATE_OPEN)
Y
Yitchak Gertner 已提交
3934
		bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
E
Eliezer Tamir 已提交
3935

E
Eliezer Tamir 已提交
3936
timer_restart:
E
Eliezer Tamir 已提交
3937 3938 3939 3940 3941 3942 3943 3944 3945 3946 3947
	mod_timer(&bp->timer, jiffies + bp->current_interval);
}

/* end of Statistics */

/* nic init */

/*
 * nic init service functions
 */

3948
static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
E
Eliezer Tamir 已提交
3949
{
3950 3951 3952 3953 3954 3955 3956
	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);
3957 3958 3959

}

3960 3961 3962 3963 3964
/* 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)
3965
{
E
Eliezer Tamir 已提交
3966
	int index;
3967 3968 3969 3970 3971 3972
	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
3973

3974 3975 3976 3977
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
3978
	struct hc_status_block_data_e2 sb_data_e2;
3979
	struct hc_status_block_data_e1x sb_data_e1x;
E
Eliezer Tamir 已提交
3980

3981
	/* disable the function first */
D
Dmitry Kravkov 已提交
3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997
	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);
	}
3998
	bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
E
Eliezer Tamir 已提交
3999

4000 4001 4002 4003 4004 4005 4006
	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);
}
4007

4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018
/* 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));
4019 4020
}

4021
static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
4022 4023
{
	int func = BP_FUNC(bp);
4024 4025
	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
4026

4027 4028 4029 4030 4031 4032 4033 4034 4035 4036 4037 4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048 4049 4050
	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
4051 4052
}

4053
static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
4054
			  u8 vf_valid, int fw_sb_id, int igu_sb_id)
E
Eliezer Tamir 已提交
4055
{
4056 4057
	int igu_seg_id;

D
Dmitry Kravkov 已提交
4058
	struct hc_status_block_data_e2 sb_data_e2;
4059 4060 4061 4062 4063
	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
4064 4065 4066 4067
	if (CHIP_INT_MODE_IS_BC(bp))
		igu_seg_id = HC_SEG_ACCESS_NORM;
	else
		igu_seg_id = IGU_SEG_ACCESS_NORM;
4068 4069 4070

	bnx2x_zero_fp_sb(bp, fw_sb_id);

D
Dmitry Kravkov 已提交
4071 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
	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);
	}
4097 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

	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
4129

4130 4131 4132 4133 4134 4135
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;
4136 4137
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
4138
	int reg_offset;
E
Eliezer Tamir 已提交
4139
	u64 section;
4140 4141 4142 4143
	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
4144 4145 4146 4147 4148 4149 4150
	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
4151 4152

	/* ATTN */
4153
	section = ((u64)mapping) + offsetof(struct host_sp_status_block,
E
Eliezer Tamir 已提交
4154
					    atten_status_block);
4155
	def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
E
Eliezer Tamir 已提交
4156

4157 4158
	bp->attn_state = 0;

E
Eliezer Tamir 已提交
4159 4160
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4161
	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4162 4163 4164 4165 4166
		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
4167 4168 4169 4170 4171 4172 4173 4174 4175 4176 4177

		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
4178 4179
	}

D
Dmitry Kravkov 已提交
4180 4181 4182 4183 4184 4185 4186 4187 4188 4189
	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
4190

4191 4192
	section = ((u64)mapping) + offsetof(struct host_sp_status_block,
					    sp_sb);
E
Eliezer Tamir 已提交
4193

4194
	bnx2x_zero_sp_sb(bp);
E
Eliezer Tamir 已提交
4195

4196 4197 4198 4199 4200
	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
4201
	sp_sb_data.p_func.vnic_id	= BP_VN(bp);
4202
	sp_sb_data.p_func.vf_id		= 0xff;
E
Eliezer Tamir 已提交
4203

4204
	bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4205

Y
Yitchak Gertner 已提交
4206
	bp->stats_pending = 0;
Y
Yitchak Gertner 已提交
4207
	bp->set_mac_pending = 0;
Y
Yitchak Gertner 已提交
4208

4209
	bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
4210 4211
}

D
Dmitry Kravkov 已提交
4212
void bnx2x_update_coalesce(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4213 4214 4215
{
	int i;

V
Vladislav Zolotarov 已提交
4216
	for_each_eth_queue(bp, i)
4217
		bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
4218
					 bp->tx_ticks, bp->rx_ticks);
E
Eliezer Tamir 已提交
4219 4220 4221 4222 4223
}

static void bnx2x_init_sp_ring(struct bnx2x *bp)
{
	spin_lock_init(&bp->spq_lock);
4224
	atomic_set(&bp->cq_spq_left, MAX_SPQ_PENDING);
E
Eliezer Tamir 已提交
4225 4226 4227 4228 4229 4230 4231

	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;
}

4232
static void bnx2x_init_eq_ring(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4233 4234
{
	int i;
4235 4236 4237
	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
4238

4239 4240 4241 4242 4243 4244
		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
4245
	}
4246 4247 4248
	bp->eq_cons = 0;
	bp->eq_prod = NUM_EQ_DESC;
	bp->eq_cons_sb = BNX2X_EQ_INDEX;
4249 4250 4251
	/* 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
4252 4253
}

4254
void bnx2x_push_indir_table(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4255
{
4256
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4257 4258
	int i;

E
Eilon Greenstein 已提交
4259
	if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
E
Eliezer Tamir 已提交
4260 4261 4262
		return;

	for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4263
		REG_WR8(bp, BAR_TSTRORM_INTMEM +
4264
			TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275
			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
4276 4277
}

D
Dmitry Kravkov 已提交
4278
void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4279
{
4280
	int mode = bp->rx_mode;
V
Vladislav Zolotarov 已提交
4281
	int port = BP_PORT(bp);
4282
	u16 cl_id;
V
Vladislav Zolotarov 已提交
4283
	u32 def_q_filters = 0;
4284

4285 4286 4287 4288 4289 4290
	/* 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
4291 4292 4293

	switch (mode) {
	case BNX2X_RX_MODE_NONE: /* no Rx */
V
Vladislav Zolotarov 已提交
4294 4295 4296 4297 4298 4299 4300
		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
4301
		break;
E
Eilon Greenstein 已提交
4302

E
Eliezer Tamir 已提交
4303
	case BNX2X_RX_MODE_NORMAL:
V
Vladislav Zolotarov 已提交
4304 4305 4306
		def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
				BNX2X_ACCEPT_MULTICAST;
#ifdef BCM_CNIC
4307 4308 4309 4310 4311 4312
		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
4313
#endif
E
Eliezer Tamir 已提交
4314
		break;
E
Eilon Greenstein 已提交
4315

E
Eliezer Tamir 已提交
4316
	case BNX2X_RX_MODE_ALLMULTI:
V
Vladislav Zolotarov 已提交
4317 4318 4319
		def_q_filters |= BNX2X_ACCEPT_UNICAST | BNX2X_ACCEPT_BROADCAST |
				BNX2X_ACCEPT_ALL_MULTICAST;
#ifdef BCM_CNIC
4320 4321 4322 4323 4324 4325 4326 4327 4328
		/*
		 *  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
4329
#endif
E
Eliezer Tamir 已提交
4330
		break;
E
Eilon Greenstein 已提交
4331

E
Eliezer Tamir 已提交
4332
	case BNX2X_RX_MODE_PROMISC:
V
Vladislav Zolotarov 已提交
4333 4334
		def_q_filters |= BNX2X_PROMISCUOUS_MODE;
#ifdef BCM_CNIC
4335 4336 4337 4338 4339 4340 4341 4342
		/*
		 *  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
4343
#endif
4344 4345
		/* 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
4346
		break;
E
Eilon Greenstein 已提交
4347

E
Eliezer Tamir 已提交
4348
	default:
4349 4350
		BNX2X_ERR("BAD rx mode (%d)\n", mode);
		break;
E
Eliezer Tamir 已提交
4351 4352
	}

V
Vladislav Zolotarov 已提交
4353 4354 4355
	cl_id = BP_L_ID(bp);
	bnx2x_rxq_set_mac_filters(bp, cl_id, def_q_filters);

4356
	REG_WR(bp,
V
Vladislav Zolotarov 已提交
4357 4358
	       (port ? NIG_REG_LLH1_BRB1_DRV_MASK :
		       NIG_REG_LLH0_BRB1_DRV_MASK), llh_mask);
4359

4360 4361
	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
4362 4363
		"accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n"
		"unmatched_ucast 0x%x\n", mode,
4364 4365 4366 4367 4368
		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
4369 4370
		bp->mac_filters.bcast_accept_all,
		bp->mac_filters.unmatched_unicast
4371
	);
E
Eliezer Tamir 已提交
4372

4373
	storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
E
Eliezer Tamir 已提交
4374 4375
}

4376 4377 4378 4379
static void bnx2x_init_internal_common(struct bnx2x *bp)
{
	int i;

4380
	if (!CHIP_IS_E1(bp)) {
E
Eilon Greenstein 已提交
4381

4382 4383
		/* xstorm needs to know whether to add  ovlan to packets or not,
		 * in switch-independent we'll write 0 to here... */
4384
		REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4385
			bp->mf_mode);
4386
		REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4387
			bp->mf_mode);
4388
		REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4389
			bp->mf_mode);
4390
		REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4391
			bp->mf_mode);
4392 4393
	}

4394 4395 4396 4397 4398 4399 4400 4401 4402
	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);

4403 4404 4405
	/* 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
4406
		REG_WR(bp, BAR_USTRORM_INTMEM +
4407
		       USTORM_AGG_DATA_OFFSET + i * 4, 0);
D
Dmitry Kravkov 已提交
4408 4409 4410 4411 4412
	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);
	}
4413
}
E
Eilon Greenstein 已提交
4414

4415 4416 4417
static void bnx2x_init_internal_port(struct bnx2x *bp)
{
	/* port */
V
Vladislav Zolotarov 已提交
4418
	bnx2x_dcb_init_intmem_pfc(bp);
E
Eliezer Tamir 已提交
4419 4420
}

4421 4422 4423 4424
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
4425
	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
4426 4427 4428 4429 4430 4431 4432 4433
		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:
4434 4435
		/* internal memory per function is
		   initialized inside bnx2x_pf_init */
4436 4437 4438 4439 4440 4441 4442 4443
		break;

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

4444 4445 4446 4447 4448 4449
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;

4450
	fp->cid = fp_idx;
4451 4452 4453 4454 4455
	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
4456 4457
			   BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
				ETH_MAX_RX_CLIENTS_E1H);
4458
	/* init shortcut */
D
Dmitry Kravkov 已提交
4459 4460
	fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
			    USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473 4474 4475
			    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
4476
void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
E
Eliezer Tamir 已提交
4477 4478 4479
{
	int i;

V
Vladislav Zolotarov 已提交
4480
	for_each_eth_queue(bp, i)
4481
		bnx2x_init_fp_sb(bp, i);
4482
#ifdef BCM_CNIC
V
Vladislav Zolotarov 已提交
4483 4484
	if (!NO_FCOE(bp))
		bnx2x_init_fcoe_fp(bp);
4485 4486 4487 4488 4489

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

4490
#endif
E
Eliezer Tamir 已提交
4491

4492 4493 4494
	/* ensure status block indices were read */
	rmb();

4495
	bnx2x_init_def_sb(bp);
4496
	bnx2x_update_dsb_idx(bp);
E
Eliezer Tamir 已提交
4497
	bnx2x_init_rx_rings(bp);
4498
	bnx2x_init_tx_rings(bp);
E
Eliezer Tamir 已提交
4499
	bnx2x_init_sp_ring(bp);
4500
	bnx2x_init_eq_ring(bp);
4501
	bnx2x_init_internal(bp, load_code);
4502
	bnx2x_pf_init(bp);
E
Eliezer Tamir 已提交
4503
	bnx2x_init_ind_table(bp);
4504 4505 4506 4507 4508 4509 4510 4511 4512
	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
4513
	bnx2x_int_enable(bp);
4514 4515 4516 4517 4518

	/* 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
4519 4520 4521 4522 4523 4524 4525 4526 4527 4528
}

/* end of nic init */

/*
 * gzip service functions
 */

static int bnx2x_gunzip_init(struct bnx2x *bp)
{
4529 4530
	bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
					    &bp->gunzip_mapping, GFP_KERNEL);
E
Eliezer Tamir 已提交
4531 4532 4533 4534 4535 4536 4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548 4549
	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:
4550 4551
	dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
			  bp->gunzip_mapping);
E
Eliezer Tamir 已提交
4552 4553 4554
	bp->gunzip_buf = NULL;

gunzip_nomem1:
V
Vladislav Zolotarov 已提交
4555 4556
	netdev_err(bp->dev, "Cannot allocate firmware buffer for"
	       " un-compression\n");
E
Eliezer Tamir 已提交
4557 4558 4559 4560 4561
	return -ENOMEM;
}

static void bnx2x_gunzip_end(struct bnx2x *bp)
{
4562 4563 4564 4565 4566
	if (bp->strm) {
		kfree(bp->strm->workspace);
		kfree(bp->strm);
		bp->strm = NULL;
	}
E
Eliezer Tamir 已提交
4567 4568

	if (bp->gunzip_buf) {
4569 4570
		dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
				  bp->gunzip_mapping);
E
Eliezer Tamir 已提交
4571 4572 4573 4574
		bp->gunzip_buf = NULL;
	}
}

4575
static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
E
Eliezer Tamir 已提交
4576 4577 4578 4579
{
	int n, rc;

	/* check gzip header */
4580 4581
	if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
		BNX2X_ERR("Bad gzip header\n");
E
Eliezer Tamir 已提交
4582
		return -EINVAL;
4583
	}
E
Eliezer Tamir 已提交
4584 4585 4586

	n = 10;

4587
#define FNAME				0x8
E
Eliezer Tamir 已提交
4588 4589 4590 4591

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

4592
	bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
E
Eliezer Tamir 已提交
4593 4594 4595 4596 4597 4598 4599 4600 4601 4602
	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))
4603 4604
		netdev_err(bp->dev, "Firmware decompression error: %s\n",
			   bp->strm->msg);
E
Eliezer Tamir 已提交
4605 4606 4607

	bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
	if (bp->gunzip_outlen & 0x3)
V
Vladislav Zolotarov 已提交
4608 4609 4610
		netdev_err(bp->dev, "Firmware decompression error:"
				    " gunzip_outlen (%d) not aligned\n",
				bp->gunzip_outlen);
E
Eliezer Tamir 已提交
4611 4612 4613 4614 4615 4616 4617 4618 4619 4620 4621 4622 4623
	bp->gunzip_outlen >>= 2;

	zlib_inflateEnd(bp->strm);

	if (rc == Z_STREAM_END)
		return 0;

	return rc;
}

/* nic load/unload */

/*
4624
 * General service functions
E
Eliezer Tamir 已提交
4625 4626 4627 4628 4629 4630 4631 4632 4633 4634
 */

/* 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;
4635
	wb_write[2] = 0x20;		/* SOP */
E
Eliezer Tamir 已提交
4636 4637 4638 4639 4640
	REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);

	/* NON-IP protocol */
	wb_write[0] = 0x09000000;
	wb_write[1] = 0x55555555;
4641
	wb_write[2] = 0x10;		/* EOP, eop_bvalid = 0 */
E
Eliezer Tamir 已提交
4642 4643 4644 4645 4646 4647 4648 4649 4650 4651 4652 4653 4654
	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;

4655
	if (CHIP_REV_IS_FPGA(bp))
E
Eliezer Tamir 已提交
4656
		factor = 120;
4657 4658 4659
	else if (CHIP_REV_IS_EMUL(bp))
		factor = 200;
	else
E
Eliezer Tamir 已提交
4660 4661 4662 4663 4664 4665
		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);
4666
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4667 4668 4669 4670 4671 4672 4673 4674 4675 4676 4677

	/*  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) {
4678

E
Eliezer Tamir 已提交
4679 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
		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 */
4708
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
E
Eliezer Tamir 已提交
4709
	msleep(50);
4710
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
E
Eliezer Tamir 已提交
4711
	msleep(50);
4712 4713
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
4714 4715 4716 4717 4718 4719 4720

	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);
4721
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733

	/* 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) {
4734

E
Eliezer Tamir 已提交
4735 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
		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);
4777 4778
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
4779
#ifndef BCM_CNIC
E
Eliezer Tamir 已提交
4780 4781 4782 4783 4784 4785 4786 4787
	/* 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);
4788
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
E
Eliezer Tamir 已提交
4789 4790 4791 4792 4793 4794

	DP(NETIF_MSG_HW, "done\n");

	return 0; /* OK */
}

4795
static void bnx2x_enable_blocks_attention(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4796 4797
{
	REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
D
Dmitry Kravkov 已提交
4798 4799 4800 4801
	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
4802 4803
	REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
	REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
D
Dmitry Kravkov 已提交
4804 4805 4806 4807 4808 4809 4810
	/*
	 * 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
4811 4812 4813 4814 4815
	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);
4816 4817
/*	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
4818 4819 4820
	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);
4821 4822
/*	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
4823 4824 4825 4826
	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);
4827 4828
/*	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
4829

4830 4831
	if (CHIP_REV_IS_FPGA(bp))
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
D
Dmitry Kravkov 已提交
4832 4833 4834 4835 4836 4837 4838
	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));
4839 4840
	else
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
E
Eliezer Tamir 已提交
4841 4842 4843
	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);
4844 4845
/*	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
4846 4847
	REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
	REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
4848
/*	REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
4849
	REG_WR(bp, PBF_REG_PBF_INT_MASK, 0x18);		/* bit 3,4 masked */
E
Eliezer Tamir 已提交
4850 4851
}

E
Eilon Greenstein 已提交
4852 4853 4854 4855 4856 4857 4858 4859
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);
}

4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877
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
4878 4879 4880

static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
{
4881
	int is_required;
E
Eilon Greenstein 已提交
4882
	u32 val;
4883
	int port;
E
Eilon Greenstein 已提交
4884

4885 4886 4887 4888
	if (BP_NOMCP(bp))
		return;

	is_required = 0;
E
Eilon Greenstein 已提交
4889 4890 4891 4892 4893 4894 4895 4896 4897 4898 4899 4900 4901 4902
	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 |=
4903 4904 4905
				bnx2x_fan_failure_det_req(
					bp,
					bp->common.shmem_base,
Y
Yaniv Rosner 已提交
4906
					bp->common.shmem2_base,
4907
					port);
E
Eilon Greenstein 已提交
4908 4909 4910 4911 4912 4913 4914 4915 4916 4917 4918 4919 4920 4921
		}

	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
4922
					MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
E
Eilon Greenstein 已提交
4923 4924 4925 4926 4927 4928 4929 4930
	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
4931 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
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);
}

4984
static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
E
Eliezer Tamir 已提交
4985 4986 4987
{
	u32 val, i;

D
Dmitry Kravkov 已提交
4988
	DP(BNX2X_MSG_MCP, "starting common init  func %d\n", BP_ABS_FUNC(bp));
E
Eliezer Tamir 已提交
4989

E
Eilon Greenstein 已提交
4990
	bnx2x_reset_common(bp);
4991 4992
	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
4993

4994
	bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
4995
	if (!CHIP_IS_E1(bp))
D
Dmitry Kravkov 已提交
4996
		REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
E
Eliezer Tamir 已提交
4997

D
Dmitry Kravkov 已提交
4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020 5021
	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
5022

5023
	bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
5024 5025 5026 5027 5028
	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
5029

5030
	bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
5031
	bnx2x_init_pxp(bp);
E
Eliezer Tamir 已提交
5032 5033

#ifdef __BIG_ENDIAN
5034 5035 5036 5037 5038
	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
5039 5040
	/* make sure this value is 0 */
	REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
5041 5042 5043 5044 5045 5046

/*	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
5047 5048
#endif

5049 5050
	bnx2x_ilt_init_page_size(bp, INITOP_SET);

5051 5052
	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
5053

5054 5055 5056 5057 5058 5059 5060 5061 5062 5063 5064 5065 5066
	/* 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
5067

D
Dmitry Kravkov 已提交
5068 5069 5070 5071 5072 5073 5074 5075 5076 5077 5078
	/* 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));

5079
		/* initialize dummy TM client */
D
Dmitry Kravkov 已提交
5080 5081 5082 5083 5084 5085 5086
		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
5087
		 * vnic	(this code assumes existence of the vnic)
D
Dmitry Kravkov 已提交
5088 5089 5090 5091 5092 5093 5094 5095 5096 5097 5098 5099 5100 5101 5102 5103 5104
		 *
		 * 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);
	}


5105 5106
	REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
	REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
E
Eliezer Tamir 已提交
5107

D
Dmitry Kravkov 已提交
5108 5109 5110 5111 5112 5113 5114 5115 5116 5117 5118 5119 5120 5121 5122 5123 5124 5125 5126
	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;
		}
	}

5127
	bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5128

5129 5130 5131
	/* clean the DMAE memory */
	bp->dmae_ready = 1;
	bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
E
Eliezer Tamir 已提交
5132

5133 5134 5135 5136
	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
5137

5138 5139 5140 5141 5142
	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);

5143
	bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
5144

D
Dmitry Kravkov 已提交
5145 5146
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5147

5148 5149 5150
	/* QM queues pointers table */
	bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);

5151 5152 5153
	/* 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
5154

5155
#ifdef BCM_CNIC
5156
	bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5157 5158
#endif

5159
	bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
5160 5161
	REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);

5162 5163 5164 5165
	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
5166

5167
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5168 5169 5170 5171 5172
	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);
	}

5173
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
5174
	REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
5175
#ifndef BCM_CNIC
5176 5177
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
5178
#endif
D
Dmitry Kravkov 已提交
5179
	if (!CHIP_IS_E1(bp))
5180
		REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF_SD(bp));
D
Dmitry Kravkov 已提交
5181

D
Dmitry Kravkov 已提交
5182 5183 5184
	if (CHIP_IS_E2(bp)) {
		/* Bit-map indicating which L2 hdrs may appear after the
		   basic Ethernet header */
5185
		int has_ovlan = IS_MF_SD(bp);
D
Dmitry Kravkov 已提交
5186 5187 5188
		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
5189

5190 5191 5192 5193
	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
5194

E
Eilon Greenstein 已提交
5195 5196 5197 5198
	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
5199

5200 5201 5202 5203
	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
5204

D
Dmitry Kravkov 已提交
5205 5206 5207
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);

5208 5209 5210 5211 5212
	/* 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
5213

5214 5215 5216
	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
5217

D
Dmitry Kravkov 已提交
5218
	if (CHIP_IS_E2(bp)) {
5219
		int has_ovlan = IS_MF_SD(bp);
D
Dmitry Kravkov 已提交
5220 5221 5222 5223
		REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
		REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
	}

5224
	REG_WR(bp, SRC_REG_SOFT_RST, 1);
5225 5226
	for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
		REG_WR(bp, i, random32());
D
Dmitry Kravkov 已提交
5227

5228
	bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
5229 5230 5231 5232 5233 5234 5235 5236 5237 5238 5239 5240
#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
5241
	REG_WR(bp, SRC_REG_SOFT_RST, 0);
E
Eliezer Tamir 已提交
5242

5243 5244
	if (sizeof(union cdu_context) != 1024)
		/* we currently assume that a context is 1024 bytes */
V
Vladislav Zolotarov 已提交
5245 5246
		dev_alert(&bp->pdev->dev, "please adjust the size "
					  "of cdu_context(%ld)\n",
5247
			 (long)sizeof(union cdu_context));
E
Eliezer Tamir 已提交
5248

5249
	bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
5250 5251
	val = (4 << 24) + (0 << 12) + 1024;
	REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
E
Eliezer Tamir 已提交
5252

5253
	bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
5254
	REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
E
Eilon Greenstein 已提交
5255 5256 5257 5258 5259
	/* 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
5260

5261
	bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5262 5263 5264 5265 5266

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

	bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
5267
	bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5268

5269
	bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
5270 5271 5272
	/* Reset PCIE errors for debug */
	REG_WR(bp, 0x2814, 0xffffffff);
	REG_WR(bp, 0x3820, 0xffffffff);
E
Eliezer Tamir 已提交
5273

D
Dmitry Kravkov 已提交
5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287
	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));
	}

5288 5289 5290 5291
	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);
5292

5293
	bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5294
	if (!CHIP_IS_E1(bp)) {
D
Dmitry Kravkov 已提交
5295
		REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
5296
		REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF_SD(bp));
5297
	}
D
Dmitry Kravkov 已提交
5298 5299 5300
	if (CHIP_IS_E2(bp)) {
		/* Bit-map indicating which L2 hdrs may appear after the
		   basic Ethernet header */
5301
		REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF_SD(bp) ? 7 : 6));
D
Dmitry Kravkov 已提交
5302
	}
5303 5304 5305 5306 5307 5308 5309 5310 5311 5312 5313 5314 5315 5316 5317 5318 5319 5320 5321 5322 5323

	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
5324

D
Dmitry Kravkov 已提交
5325 5326 5327 5328 5329
	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]);
5330

D
Dmitry Kravkov 已提交
5331 5332 5333 5334 5335
		/* do internal memory self test */
		if ((val == 0) && bnx2x_int_mem_test(bp)) {
			BNX2X_ERR("internal mem self test failed\n");
			return -EBUSY;
		}
5336 5337
	}

E
Eilon Greenstein 已提交
5338 5339
	bnx2x_setup_fan_failure_detection(bp);

5340 5341
	/* clear PXP2 attentions */
	REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
E
Eliezer Tamir 已提交
5342

5343 5344 5345
	bnx2x_enable_blocks_attention(bp);
	if (CHIP_PARITY_ENABLED(bp))
		bnx2x_enable_blocks_parity(bp);
E
Eliezer Tamir 已提交
5346

Y
Yaniv Rosner 已提交
5347
	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
5348 5349 5350 5351 5352 5353 5354 5355 5356 5357 5358 5359 5360 5361 5362 5363 5364
		/* 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
5365 5366 5367
	} else
		BNX2X_ERR("Bootcode is missing - can not initialize link\n");

5368 5369
	return 0;
}
E
Eliezer Tamir 已提交
5370

5371
static int bnx2x_init_hw_port(struct bnx2x *bp)
5372 5373
{
	int port = BP_PORT(bp);
5374
	int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
5375
	u32 low, high;
5376
	u32 val;
E
Eliezer Tamir 已提交
5377

V
Vladislav Zolotarov 已提交
5378
	DP(BNX2X_MSG_MCP, "starting port init  port %d\n", port);
5379 5380

	REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
E
Eliezer Tamir 已提交
5381

5382 5383
	bnx2x_init_block(bp, PXP_BLOCK, init_stage);
	bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5384

D
Dmitry Kravkov 已提交
5385 5386 5387 5388 5389 5390 5391 5392
	/* 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
5393 5394 5395
	bnx2x_init_block(bp, TCM_BLOCK, init_stage);
	bnx2x_init_block(bp, UCM_BLOCK, init_stage);
	bnx2x_init_block(bp, CCM_BLOCK, init_stage);
5396
	bnx2x_init_block(bp, XCM_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5397

5398 5399
	/* QM cid (connection) count */
	bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
E
Eliezer Tamir 已提交
5400

5401
#ifdef BCM_CNIC
5402
	bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
5403 5404
	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
5405
#endif
V
Vladislav Zolotarov 已提交
5406

5407
	bnx2x_init_block(bp, DQ_BLOCK, init_stage);
5408

D
Dmitry Kravkov 已提交
5409 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
	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);
5436 5437
	}

D
Dmitry Kravkov 已提交
5438 5439 5440 5441 5442 5443
	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);
	}
5444

5445
	bnx2x_init_block(bp, PRS_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5446

5447 5448 5449 5450
	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
5451

5452 5453 5454 5455
	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
5456 5457
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5458

5459 5460
	bnx2x_init_block(bp, UPB_BLOCK, init_stage);
	bnx2x_init_block(bp, XPB_BLOCK, init_stage);
5461

5462
	bnx2x_init_block(bp, PBF_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5463

D
Dmitry Kravkov 已提交
5464 5465 5466
	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
5467

D
Dmitry Kravkov 已提交
5468 5469 5470 5471
		/* 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
5472

D
Dmitry Kravkov 已提交
5473 5474 5475 5476 5477
		/* 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
5478

5479 5480
#ifdef BCM_CNIC
	bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5481
#endif
5482 5483
	bnx2x_init_block(bp, CDU_BLOCK, init_stage);
	bnx2x_init_block(bp, CFC_BLOCK, init_stage);
5484 5485 5486 5487 5488

	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);
	}
5489
	bnx2x_init_block(bp, HC_BLOCK, init_stage);
5490

D
Dmitry Kravkov 已提交
5491 5492
	bnx2x_init_block(bp, IGU_BLOCK, init_stage);

5493
	bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
5494 5495 5496 5497
	/* 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
5498 5499 5500 5501
	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);
5502

5503 5504 5505 5506 5507
	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
5508

5509
	bnx2x_init_block(bp, NIG_BLOCK, init_stage);
5510 5511 5512

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

D
Dmitry Kravkov 已提交
5513
	if (!CHIP_IS_E1(bp)) {
D
Dmitry Kravkov 已提交
5514
		/* 0x2 disable mf_ov, 0x1 enable */
5515
		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
5516
		       (IS_MF_SD(bp) ? 0x1 : 0x2));
5517

D
Dmitry Kravkov 已提交
5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531
		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);
		}
5532 5533 5534 5535 5536
		{
			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);
		}
5537 5538
	}

5539 5540
	bnx2x_init_block(bp, MCP_BLOCK, init_stage);
	bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
5541
	if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Y
Yaniv Rosner 已提交
5542
				      bp->common.shmem2_base, port)) {
E
Eilon Greenstein 已提交
5543 5544 5545
		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
5546
		val |= AEU_INPUTS_ATTN_BITS_SPIO5;
E
Eilon Greenstein 已提交
5547
		REG_WR(bp, reg_addr, val);
E
Eliezer Tamir 已提交
5548
	}
Y
Yaniv Rosner 已提交
5549
	bnx2x__link_reset(bp);
E
Eliezer Tamir 已提交
5550

5551 5552 5553 5554 5555 5556 5557
	return 0;
}

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

D
Dmitry Kravkov 已提交
5558
	if (CHIP_IS_E1(bp))
5559
		reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
D
Dmitry Kravkov 已提交
5560 5561
	else
		reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5562 5563 5564 5565

	bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr));
}

D
Dmitry Kravkov 已提交
5566 5567 5568 5569 5570 5571 5572 5573 5574 5575 5576 5577
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);
}

5578
static int bnx2x_init_hw_func(struct bnx2x *bp)
5579 5580 5581
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
5582 5583
	struct bnx2x_ilt *ilt = BP_ILT(bp);
	u16 cdu_ilt_start;
E
Eilon Greenstein 已提交
5584
	u32 addr, val;
5585 5586
	u32 main_mem_base, main_mem_size, main_mem_prty_clr;
	int i, main_mem_width;
5587

V
Vladislav Zolotarov 已提交
5588
	DP(BNX2X_MSG_MCP, "starting func init  func %d\n", func);
5589

E
Eilon Greenstein 已提交
5590
	/* set MSI reconfigure capability */
D
Dmitry Kravkov 已提交
5591 5592 5593 5594 5595 5596
	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
5597

5598 5599
	ilt = BP_ILT(bp);
	cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
5600

5601 5602 5603 5604 5605 5606 5607
	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 */
5608
	}
5609
	bnx2x_ilt_init_op(bp, INITOP_SET);
D
Dmitry Kravkov 已提交
5610

5611 5612
#ifdef BCM_CNIC
	bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
5613

5614 5615 5616
	/* T1 hash bits value determines the T1 number of entries */
	REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
#endif
5617

5618 5619 5620 5621
#ifndef BCM_CNIC
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
#endif  /* BCM_CNIC */
5622

D
Dmitry Kravkov 已提交
5623 5624 5625 5626 5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647
	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);
	}

5648
	bp->dmae_ready = 1;
5649

5650 5651
	bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);

D
Dmitry Kravkov 已提交
5652 5653 5654
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);

5655 5656 5657 5658 5659 5660 5661 5662 5663 5664
	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
5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677
	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);

5678
	bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
D
Dmitry Kravkov 已提交
5679 5680 5681 5682

	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, QM_4PORT_BLOCK, FUNC0_STAGE + func);

5683 5684 5685 5686 5687 5688 5689 5690 5691 5692 5693
	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
5694 5695 5696
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PBF_REG_DISABLE_PF, 0);

5697 5698 5699
	bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);

	bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5700

D
Dmitry Kravkov 已提交
5701 5702 5703
	if (CHIP_IS_E2(bp))
		REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);

D
Dmitry Kravkov 已提交
5704
	if (IS_MF(bp)) {
5705
		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
D
Dmitry Kravkov 已提交
5706
		REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
5707 5708
	}

5709 5710
	bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);

5711
	/* HC init per function */
D
Dmitry Kravkov 已提交
5712 5713 5714 5715 5716 5717 5718 5719 5720 5721 5722 5723
	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;

5724 5725
		REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);

D
Dmitry Kravkov 已提交
5726 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
		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);
		}
5822 5823
	}

E
Eliezer Tamir 已提交
5824
	/* Reset PCIE errors for debug */
E
Eliezer Tamir 已提交
5825 5826
	REG_WR(bp, 0x2114, 0xffffffff);
	REG_WR(bp, 0x2120, 0xffffffff);
5827 5828 5829 5830 5831 5832 5833 5834

	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);

5835 5836 5837 5838 5839 5840 5841 5842 5843 5844 5845 5846 5847 5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858 5859
	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
5860
	bnx2x_phy_probe(&bp->link_params);
D
Dmitry Kravkov 已提交
5861

5862 5863 5864
	return 0;
}

D
Dmitry Kravkov 已提交
5865
int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5866
{
5867
	int rc = 0;
E
Eliezer Tamir 已提交
5868

5869
	DP(BNX2X_MSG_MCP, "function %d  load_code %x\n",
D
Dmitry Kravkov 已提交
5870
	   BP_ABS_FUNC(bp), load_code);
E
Eliezer Tamir 已提交
5871

5872
	bp->dmae_ready = 0;
5873
	spin_lock_init(&bp->dmae_lock);
E
Eliezer Tamir 已提交
5874

5875 5876
	switch (load_code) {
	case FW_MSG_CODE_DRV_LOAD_COMMON:
D
Dmitry Kravkov 已提交
5877
	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
5878
		rc = bnx2x_init_hw_common(bp, load_code);
5879 5880 5881 5882 5883
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_PORT:
5884
		rc = bnx2x_init_hw_port(bp);
5885 5886 5887 5888 5889
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5890
		rc = bnx2x_init_hw_func(bp);
5891 5892 5893 5894 5895 5896 5897 5898 5899 5900
		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
5901
		int mb_idx = BP_FW_MB_IDX(bp);
E
Eliezer Tamir 已提交
5902 5903

		bp->fw_drv_pulse_wr_seq =
D
Dmitry Kravkov 已提交
5904
				(SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
E
Eliezer Tamir 已提交
5905
				 DRV_PULSE_SEQ_MASK);
5906 5907
		DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
	}
E
Eliezer Tamir 已提交
5908

5909 5910 5911 5912
init_hw_err:
	bnx2x_gunzip_end(bp);

	return rc;
E
Eliezer Tamir 已提交
5913 5914
}

D
Dmitry Kravkov 已提交
5915
void bnx2x_free_mem(struct bnx2x *bp)
E
Eliezer Tamir 已提交
5916
{
5917
	bnx2x_gunzip_end(bp);
E
Eliezer Tamir 已提交
5918 5919

	/* fastpath */
5920
	bnx2x_free_fp_mem(bp);
E
Eliezer Tamir 已提交
5921 5922 5923
	/* end of fastpath */

	BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5924
		       sizeof(struct host_sp_status_block));
E
Eliezer Tamir 已提交
5925 5926

	BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5927
		       sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
5928

5929 5930 5931 5932 5933 5934
	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
5935

5936
#ifdef BCM_CNIC
D
Dmitry Kravkov 已提交
5937 5938 5939 5940 5941 5942
	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
5943

5944
	BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
E
Eliezer Tamir 已提交
5945
#endif
D
Dmitry Kravkov 已提交
5946

5947
	BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
E
Eliezer Tamir 已提交
5948

5949 5950 5951
	BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
		       BCM_PAGE_SIZE * NUM_EQ_PAGES);

5952
	BNX2X_FREE(bp->rx_indir_table);
E
Eliezer Tamir 已提交
5953 5954
}

D
Dmitry Kravkov 已提交
5955

D
Dmitry Kravkov 已提交
5956
int bnx2x_alloc_mem(struct bnx2x *bp)
E
Eliezer Tamir 已提交
5957
{
5958 5959
	if (bnx2x_gunzip_init(bp))
		return -ENOMEM;
E
Eilon Greenstein 已提交
5960

5961
#ifdef BCM_CNIC
D
Dmitry Kravkov 已提交
5962 5963 5964 5965 5966 5967
	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
5968

5969 5970 5971
	/* allocate searcher T2 table */
	BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
#endif
E
Eliezer Tamir 已提交
5972

E
Eilon Greenstein 已提交
5973

5974 5975
	BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
			sizeof(struct host_sp_status_block));
E
Eliezer Tamir 已提交
5976

5977 5978
	BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
			sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
5979

5980
	bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
D
Dmitry Kravkov 已提交
5981

5982 5983
	BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
			bp->context.size);
5984

5985
	BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
5986

5987 5988
	if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
		goto alloc_mem_err;
5989

D
Dmitry Kravkov 已提交
5990 5991
	/* Slow path ring */
	BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5992

5993 5994 5995
	/* EQ */
	BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
			BCM_PAGE_SIZE * NUM_EQ_PAGES);
5996 5997 5998

	BNX2X_ALLOC(bp->rx_indir_table, sizeof(bp->rx_indir_table[0]) *
		    TSTORM_INDIRECTION_TABLE_SIZE);
5999 6000 6001 6002 6003 6004 6005

	/* 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
6006
	return 0;
E
Eilon Greenstein 已提交
6007

D
Dmitry Kravkov 已提交
6008 6009 6010
alloc_mem_err:
	bnx2x_free_mem(bp);
	return -ENOMEM;
6011 6012
}

E
Eliezer Tamir 已提交
6013 6014 6015
/*
 * Init service functions
 */
6016 6017 6018
static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
			     int *state_p, int flags);

6019
int bnx2x_func_start(struct bnx2x *bp)
E
Eliezer Tamir 已提交
6020
{
6021
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
E
Eliezer Tamir 已提交
6022

6023 6024 6025 6026
	/* Wait for completion */
	return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
				 WAIT_RAMROD_COMMON);
}
E
Eliezer Tamir 已提交
6027

6028
static int bnx2x_func_stop(struct bnx2x *bp)
6029 6030
{
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
E
Eliezer Tamir 已提交
6031

6032 6033 6034
	/* 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
6035 6036
}

6037
/**
D
Dmitry Kravkov 已提交
6038
 * Sets a MAC in a CAM for a few L2 Clients for E1x chips
6039 6040 6041 6042 6043 6044
 *
 * @param bp driver descriptor
 * @param set set or clear an entry (1 or 0)
 * @param mac pointer to a buffer containing a MAC
 * @param cl_bit_vec bit vector of clients to register a MAC for
 * @param cam_offset offset in a CAM to use
6045
 * @param is_bcast is the set MAC a broadcast address (for E1 only)
6046
 */
J
Joe Perches 已提交
6047
static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, const u8 *mac,
D
Dmitry Kravkov 已提交
6048 6049
				   u32 cl_bit_vec, u8 cam_offset,
				   u8 is_bcast)
6050
{
6051 6052 6053 6054 6055 6056
	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
6057
	config->hdr.length = 1;
6058 6059
	config->hdr.offset = cam_offset;
	config->hdr.client_id = 0xff;
6060 6061 6062 6063
	/* Mark the single MAC configuration ramrod as opposed to a
	 * UC/MC list configuration).
	 */
	config->hdr.echo = 1;
6064 6065 6066

	/* primary MAC */
	config->config_table[0].msb_mac_addr =
6067
					swab16(*(u16 *)&mac[0]);
6068
	config->config_table[0].middle_mac_addr =
6069
					swab16(*(u16 *)&mac[2]);
6070
	config->config_table[0].lsb_mac_addr =
6071
					swab16(*(u16 *)&mac[4]);
E
Eilon Greenstein 已提交
6072
	config->config_table[0].clients_bit_vector =
6073
					cpu_to_le32(cl_bit_vec);
6074
	config->config_table[0].vlan_id = 0;
6075
	config->config_table[0].pf_id = BP_FUNC(bp);
6076
	if (set)
6077 6078 6079
		SET_FLAG(config->config_table[0].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_SET);
6080
	else
6081 6082 6083
		SET_FLAG(config->config_table[0].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_INVALIDATE);
6084

6085 6086 6087 6088 6089
	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",
6090
	   (set ? "setting" : "clearing"),
6091 6092
	   config->config_table[0].msb_mac_addr,
	   config->config_table[0].middle_mac_addr,
6093
	   config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
6094

6095 6096
	mb();

6097
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6098
		      U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6099 6100 6101 6102
		      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);
6103 6104
}

6105 6106
static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
			     int *state_p, int flags)
E
Eliezer Tamir 已提交
6107 6108
{
	/* can take a while if any port is running */
E
Eilon Greenstein 已提交
6109
	int cnt = 5000;
6110 6111
	u8 poll = flags & WAIT_RAMROD_POLL;
	u8 common = flags & WAIT_RAMROD_COMMON;
E
Eliezer Tamir 已提交
6112

E
Eliezer Tamir 已提交
6113 6114
	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
6115 6116

	might_sleep();
6117
	while (cnt--) {
E
Eliezer Tamir 已提交
6118
		if (poll) {
6119 6120 6121 6122 6123 6124 6125 6126 6127 6128 6129
			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
6130 6131
		}

6132
		mb(); /* state is changed by bnx2x_sp_event() */
E
Eilon Greenstein 已提交
6133 6134 6135 6136
		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
6137
			return 0;
E
Eilon Greenstein 已提交
6138
		}
E
Eliezer Tamir 已提交
6139 6140

		msleep(1);
6141 6142 6143

		if (bp->panic)
			return -EIO;
E
Eliezer Tamir 已提交
6144 6145 6146
	}

	/* timeout! */
6147 6148
	BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
		  poll ? "polling" : "waiting", state, idx);
6149 6150 6151
#ifdef BNX2X_STOP_ON_ERROR
	bnx2x_panic();
#endif
E
Eliezer Tamir 已提交
6152

6153
	return -EBUSY;
E
Eliezer Tamir 已提交
6154 6155
}

6156
static u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
6157
{
D
Dmitry Kravkov 已提交
6158 6159 6160
	if (CHIP_IS_E1H(bp))
		return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
	else if (CHIP_MODE_IS_4_PORT(bp))
6161
		return E2_FUNC_MAX * rel_offset + BP_FUNC(bp);
D
Dmitry Kravkov 已提交
6162
	else
6163
		return E2_FUNC_MAX * rel_offset + BP_VN(bp);
6164 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
/**
 *  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);

}

6225 6226 6227 6228
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));
6229

6230 6231 6232
	/* networking  MAC */
	bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
			       (1 << bp->fp->cl_id), cam_offset , 0);
6233

6234 6235
	bnx2x_set_mac_in_nig(bp, set, bp->dev->dev_addr, LLH_CAM_ETH_LINE);

6236 6237
	if (CHIP_IS_E1(bp)) {
		/* broadcast MAC */
J
Joe Perches 已提交
6238 6239 6240
		static const u8 bcast[ETH_ALEN] = {
			0xff, 0xff, 0xff, 0xff, 0xff, 0xff
		};
6241 6242
		bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
	}
6243
}
6244 6245 6246 6247 6248 6249 6250 6251 6252 6253 6254 6255 6256 6257 6258 6259 6260 6261 6262 6263

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)
6264 6265 6266
{
	int i = 0, old;
	struct net_device *dev = bp->dev;
6267
	u8 offset = bnx2x_e1_cam_mc_offset(bp);
6268 6269 6270 6271
	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);

6272 6273 6274
	if (netdev_mc_count(dev) > BNX2X_MAX_MULTICAST)
		return -EINVAL;

6275 6276 6277 6278 6279 6280 6281 6282
	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]);
6283

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
		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);
		}
	}

6315 6316
	wmb();

6317 6318 6319
	config_cmd->hdr.length = i;
	config_cmd->hdr.offset = offset;
	config_cmd->hdr.client_id = 0xff;
6320 6321 6322 6323
	/* Mark that this ramrod doesn't use bp->set_mac_pending for
	 * synchronization.
	 */
	config_cmd->hdr.echo = 0;
6324

6325
	mb();
6326

6327
	return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6328 6329
		   U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
}
6330 6331

void bnx2x_invalidate_e1_mc_list(struct bnx2x *bp)
6332
{
6333 6334 6335 6336
	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;
6337
	u8 offset = bnx2x_e1_cam_mc_offset(bp);
6338

6339
	for (i = 0; i < BNX2X_MAX_MULTICAST; i++)
6340 6341 6342 6343
		SET_FLAG(config_cmd->config_table[i].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_INVALIDATE);

6344 6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 6355
	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();

6356 6357
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
		      U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6358 6359

	/* Wait for a completion */
6360 6361 6362
	bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
				ramrod_flags);

6363 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
/* 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);
}

6403 6404 6405 6406 6407 6408 6409 6410 6411 6412 6413
#ifdef BCM_CNIC
/**
 * Set iSCSI MAC(s) at the next enties in the CAM after the ETH
 * MAC(s). This function will wait until the ramdord completion
 * returns.
 *
 * @param bp driver handle
 * @param set set or clear the CAM entry
 *
 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
 */
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 6433 6434 6435 6436 6437 6438 6439 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 6471

	return 0;
}

/**
 * Set FCoE L2 MAC(s) at the next enties in the CAM after the
 * ETH MAC(s). This function will wait until the ramdord
 * completion returns.
 *
 * @param bp driver handle
 * @param set set or clear the CAM entry
 *
 * @return 0 if cussess, -ENODEV if ramrod doesn't return.
 */
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);

6472 6473 6474 6475
	return 0;
}
#endif

6476 6477 6478 6479 6480 6481 6482 6483 6484 6485 6486 6487 6488
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
6489 6490
	data->general.is_fcoe_flg =
		(params->ramrod_params.flags & CLIENT_IS_FCOE) ? 1 : 0;
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 6558
	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
6559 6560 6561
	data->fc.traffic_type =
		(params->ramrod_params.flags & CLIENT_IS_FCOE) ?
		LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW;
6562 6563 6564 6565 6566 6567 6568 6569 6570 6571 6572 6573 6574 6575
}

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);
}

6576 6577 6578 6579 6580
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)
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 6629
{
	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
6630 6631


6632 6633
	bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
		      U64_HI(data_mapping), U64_LO(data_mapping), 0);
E
Eliezer Tamir 已提交
6634

6635
	/* Wait for completion */
6636 6637 6638 6639
	rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
				 params->ramrod_params.index,
				 params->ramrod_params.pstate,
				 ramrod_flags);
6640
	return rc;
E
Eliezer Tamir 已提交
6641 6642
}

6643 6644 6645 6646 6647 6648 6649 6650 6651
/**
 * Configure interrupt mode according to current configuration.
 * In case of MSI-X it will also try to enable MSI-X.
 *
 * @param bp
 *
 * @return int
 */
static int __devinit bnx2x_set_int_mode(struct bnx2x *bp)
E
Eilon Greenstein 已提交
6652
{
6653
	int rc = 0;
E
Eilon Greenstein 已提交
6654

6655 6656 6657 6658 6659
	switch (bp->int_mode) {
	case INT_MODE_MSI:
		bnx2x_enable_msi(bp);
		/* falling through... */
	case INT_MODE_INTx:
V
Vladislav Zolotarov 已提交
6660
		bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6661
		DP(NETIF_MSG_IFUP, "set number of queues to 1\n");
E
Eilon Greenstein 已提交
6662
		break;
6663 6664 6665
	default:
		/* Set number of queues according to bp->multi_mode value */
		bnx2x_set_num_queues(bp);
E
Eilon Greenstein 已提交
6666

6667 6668
		DP(NETIF_MSG_IFUP, "set number of queues to %d\n",
		   bp->num_queues);
E
Eilon Greenstein 已提交
6669

6670 6671 6672 6673 6674 6675 6676 6677 6678 6679 6680 6681 6682
		/* 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
6683 6684
				   1 + NONE_ETH_CONTEXT_USE);
			bp->num_queues = 1 + NONE_ETH_CONTEXT_USE;
6685 6686 6687 6688

			if (!(bp->flags & DISABLE_MSI_FLAG))
				bnx2x_enable_msi(bp);
		}
E
Eilon Greenstein 已提交
6689

D
Dmitry Kravkov 已提交
6690 6691
		break;
	}
6692 6693

	return rc;
E
Eliezer Tamir 已提交
6694 6695
}

6696 6697 6698 6699 6700 6701
/* must be called prioir to any HW initializations */
static inline u16 bnx2x_cid_ilt_lines(struct bnx2x *bp)
{
	return L2_ILT_LINES(bp);
}

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 6773 6774
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
6775

6776 6777 6778 6779 6780 6781 6782 6783 6784 6785 6786 6787 6788 6789 6790 6791 6792
	/* 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
6793

6794 6795 6796 6797
#else
	ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
#endif
}
D
Dmitry Kravkov 已提交
6798

6799 6800
int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
		       int is_leading)
E
Eliezer Tamir 已提交
6801
{
6802
	struct bnx2x_client_init_params params = { {0} };
E
Eliezer Tamir 已提交
6803 6804
	int rc;

V
Vladislav Zolotarov 已提交
6805 6806 6807
	/* reset IGU state skip FCoE L2 queue */
	if (!IS_FCOE_FP(fp))
		bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
6808
			     IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
6809

6810 6811 6812 6813
	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
6814

V
Vladislav Zolotarov 已提交
6815 6816 6817 6818 6819 6820
#ifdef BCM_CNIC
	if (IS_FCOE_FP(fp))
		params.ramrod_params.flags |= CLIENT_IS_FCOE;

#endif

6821 6822
	if (is_leading)
		params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
E
Eliezer Tamir 已提交
6823

6824 6825 6826 6827 6828 6829 6830
	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));
6831
	return rc;
E
Eliezer Tamir 已提交
6832 6833
}

6834 6835
static int bnx2x_stop_fw_client(struct bnx2x *bp,
				struct bnx2x_client_ramrod_params *p)
E
Eliezer Tamir 已提交
6836
{
6837
	int rc;
E
Eliezer Tamir 已提交
6838

6839
	int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
E
Eliezer Tamir 已提交
6840

6841 6842 6843 6844
	/* 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
6845

6846
	/* Wait for completion */
6847 6848
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
			       p->pstate, poll_flag);
6849
	if (rc) /* timeout */
6850
		return rc;
E
Eliezer Tamir 已提交
6851

6852 6853 6854 6855 6856 6857 6858 6859
	*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
6860 6861


6862 6863
	/* delete cfc entry */
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
6864

6865 6866 6867
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
			       p->pstate, WAIT_RAMROD_COMMON);
6868
	return rc;
E
Eliezer Tamir 已提交
6869 6870
}

6871 6872 6873 6874 6875 6876 6877 6878 6879 6880 6881 6882 6883 6884 6885
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);
}


6886 6887 6888 6889
static void bnx2x_reset_func(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
D
Dmitry Kravkov 已提交
6890
	int i;
6891
	int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
D
Dmitry Kravkov 已提交
6892 6893 6894
			(CHIP_IS_E2(bp) ?
			 offsetof(struct hc_status_block_data_e2, common) :
			 offsetof(struct hc_status_block_data_e1x, common));
6895 6896 6897 6898 6899 6900 6901 6902 6903 6904
	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
6905
	for_each_eth_queue(bp, i) {
6906 6907 6908 6909 6910 6911 6912 6913 6914 6915 6916 6917 6918 6919 6920 6921 6922 6923 6924
		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);
6925 6926

	/* Configure IGU */
D
Dmitry Kravkov 已提交
6927 6928 6929 6930 6931 6932 6933
	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);
	}
6934

6935 6936 6937 6938 6939 6940 6941 6942 6943 6944 6945 6946 6947
#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
6948
	/* Clear ILT */
D
Dmitry Kravkov 已提交
6949 6950 6951 6952 6953 6954 6955 6956 6957 6958 6959 6960 6961 6962 6963 6964 6965 6966 6967
	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);
6968 6969

	bp->dmae_ready = 0;
6970 6971 6972 6973 6974 6975 6976 6977 6978 6979 6980 6981 6982 6983 6984 6985 6986 6987 6988 6989 6990 6991 6992
}

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
6993
		   "BRB1 is not empty  %d blocks are occupied\n", val);
6994 6995 6996 6997 6998 6999 7000

	/* 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
7001
	   BP_ABS_FUNC(bp), reset_code);
7002 7003 7004 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017

	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;
7018

7019 7020 7021 7022 7023 7024
	default:
		BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
		break;
	}
}

V
Vladislav Zolotarov 已提交
7025 7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036 7037 7038
#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
7039
void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
E
Eliezer Tamir 已提交
7040
{
7041
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
7042
	u32 reset_code = 0;
7043
	int i, cnt, rc;
E
Eliezer Tamir 已提交
7044

E
Eilon Greenstein 已提交
7045
	/* Wait until tx fastpath tasks complete */
V
Vladislav Zolotarov 已提交
7046
	for_each_tx_queue(bp, i) {
7047 7048
		struct bnx2x_fastpath *fp = &bp->fp[i];

7049
		cnt = 1000;
7050
		while (bnx2x_has_tx_work_unload(fp)) {
7051

7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062
			if (!cnt) {
				BNX2X_ERR("timeout waiting for queue[%d]\n",
					  i);
#ifdef BNX2X_STOP_ON_ERROR
				bnx2x_panic();
				return -EBUSY;
#else
				break;
#endif
			}
			cnt--;
7063
			msleep(1);
7064
		}
7065
	}
7066 7067
	/* Give HW time to discard old tx messages */
	msleep(1);
E
Eliezer Tamir 已提交
7068

7069
	bnx2x_set_eth_mac(bp, 0);
7070

7071
	bnx2x_invalidate_uc_list(bp);
7072

7073 7074 7075 7076 7077
	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);
7078
	}
7079

7080
#ifdef BCM_CNIC
V
Vladislav Zolotarov 已提交
7081
	bnx2x_del_fcoe_eth_macs(bp);
7082
#endif
7083

7084 7085 7086
	if (unload_mode == UNLOAD_NORMAL)
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

7087
	else if (bp->flags & NO_WOL_FLAG)
7088 7089
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;

7090
	else if (bp->wol) {
7091 7092 7093 7094 7095 7096 7097 7098 7099 7100 7101 7102 7103 7104 7105 7106 7107 7108
		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;
7109

7110 7111
	/* Close multi and leading connections
	   Completions for ramrods are collected in a synchronous way */
7112 7113 7114 7115 7116 7117
	for_each_queue(bp, i)

		if (bnx2x_stop_client(bp, i))
#ifdef BNX2X_STOP_ON_ERROR
			return;
#else
7118
			goto unload_error;
7119
#endif
E
Eliezer Tamir 已提交
7120

7121
	rc = bnx2x_func_stop(bp);
7122
	if (rc) {
7123
		BNX2X_ERR("Function stop failed!\n");
7124
#ifdef BNX2X_STOP_ON_ERROR
7125
		return;
7126 7127
#else
		goto unload_error;
7128
#endif
7129
	}
7130
#ifndef BNX2X_STOP_ON_ERROR
7131
unload_error:
7132
#endif
7133
	if (!BP_NOMCP(bp))
Y
Yaniv Rosner 已提交
7134
		reset_code = bnx2x_fw_command(bp, reset_code, 0);
7135
	else {
D
Dmitry Kravkov 已提交
7136 7137 7138 7139 7140 7141 7142 7143 7144 7145 7146 7147
		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)
7148
			reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
D
Dmitry Kravkov 已提交
7149
		else if (load_count[BP_PATH(bp)][1 + port] == 0)
7150 7151 7152 7153
			reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
		else
			reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
	}
E
Eliezer Tamir 已提交
7154

7155 7156 7157
	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
7158

7159 7160 7161 7162
	/* Disable HW interrupts, NAPI */
	bnx2x_netif_stop(bp, 1);

	/* Release IRQs */
7163
	bnx2x_free_irq(bp);
7164

E
Eliezer Tamir 已提交
7165
	/* Reset the chip */
7166
	bnx2x_reset_chip(bp, reset_code);
E
Eliezer Tamir 已提交
7167 7168

	/* Report UNLOAD_DONE to MCP */
7169
	if (!BP_NOMCP(bp))
Y
Yaniv Rosner 已提交
7170
		bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
E
Eilon Greenstein 已提交
7171

7172 7173
}

D
Dmitry Kravkov 已提交
7174
void bnx2x_disable_close_the_gate(struct bnx2x *bp)
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 7231 7232 7233 7234 7235 7236 7237 7238 7239 7240 7241 7242 7243 7244 7245
{
	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);
}

/* Restore the value of the `magic' bit.
 *
 * @param pdev Device handle.
 * @param magic_val Old value of the `magic' bit.
 */
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
7246 7247
/**
 * Prepares for MCP reset: takes care of CLP configurations.
7248 7249 7250 7251 7252 7253 7254 7255 7256 7257 7258 7259 7260 7261 7262 7263 7264 7265 7266 7267 7268 7269 7270 7271 7272 7273 7274 7275 7276 7277 7278 7279 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
 *
 * @param bp
 * @param magic_val Old value of 'magic' bit.
 */
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 */

/* Waits for MCP_ONE_TIMEOUT or MCP_ONE_TIMEOUT*10,
 * depending on the HW type.
 *
 * @param bp
 */
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
7480 7481 7482
	return 0;
}

7483 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
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.
 */
7612 7613
static void bnx2x_reset_task(struct work_struct *work)
{
7614
	struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
7615 7616 7617 7618

#ifdef BNX2X_STOP_ON_ERROR
	BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
		  " so reset not done to allow debug dump,\n"
7619
	 KERN_ERR " you will need to reboot when done\n");
7620 7621 7622 7623 7624 7625 7626 7627
	return;
#endif

	rtnl_lock();

	if (!netif_running(bp->dev))
		goto reset_task_exit;

7628 7629 7630 7631 7632 7633
	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);
	}
7634 7635 7636 7637 7638

reset_task_exit:
	rtnl_unlock();
}

E
Eliezer Tamir 已提交
7639 7640 7641 7642 7643 7644
/* end of nic load/unload */

/*
 * Init service functions
 */

7645
static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
D
Dmitry Kravkov 已提交
7646 7647 7648 7649
{
	u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
	u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
	return base + (BP_ABS_FUNC(bp)) * stride;
7650 7651
}

D
Dmitry Kravkov 已提交
7652
static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
7653
{
D
Dmitry Kravkov 已提交
7654
	u32 reg = bnx2x_get_pretend_reg(bp);
7655 7656 7657 7658 7659 7660

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

	/* Pretend to be function 0 */
	REG_WR(bp, reg, 0);
D
Dmitry Kravkov 已提交
7661
	REG_RD(bp, reg);	/* Flush the GRC transaction (in the chip) */
7662 7663 7664 7665 7666 7667 7668

	/* From now we are in the "like-E1" mode */
	bnx2x_int_disable(bp);

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

D
Dmitry Kravkov 已提交
7669 7670 7671
	/* Restore the original function */
	REG_WR(bp, reg, BP_ABS_FUNC(bp));
	REG_RD(bp, reg);
7672 7673
}

D
Dmitry Kravkov 已提交
7674
static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
7675
{
D
Dmitry Kravkov 已提交
7676
	if (CHIP_IS_E1(bp))
7677
		bnx2x_int_disable(bp);
D
Dmitry Kravkov 已提交
7678 7679
	else
		bnx2x_undi_int_disable_e1h(bp);
7680 7681
}

7682 7683 7684 7685 7686 7687 7688 7689 7690 7691
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
7692
		bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7693 7694 7695
		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
7696 7697
			/* save our pf_num */
			int orig_pf_num = bp->pf_num;
7698 7699
			u32 swap_en;
			u32 swap_val;
7700

7701 7702 7703
			/* clear the UNDI indication */
			REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);

7704 7705 7706
			BNX2X_DEV_INFO("UNDI is active! reset device\n");

			/* try unload UNDI on port 0 */
D
Dmitry Kravkov 已提交
7707
			bp->pf_num = 0;
7708
			bp->fw_seq =
D
Dmitry Kravkov 已提交
7709
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7710
				DRV_MSG_SEQ_NUMBER_MASK);
Y
Yaniv Rosner 已提交
7711
			reset_code = bnx2x_fw_command(bp, reset_code, 0);
7712 7713 7714 7715

			/* if UNDI is loaded on the other port */
			if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) {

7716
				/* send "DONE" for previous unload */
Y
Yaniv Rosner 已提交
7717 7718
				bnx2x_fw_command(bp,
						 DRV_MSG_CODE_UNLOAD_DONE, 0);
7719 7720

				/* unload UNDI on port 1 */
D
Dmitry Kravkov 已提交
7721
				bp->pf_num = 1;
7722
				bp->fw_seq =
D
Dmitry Kravkov 已提交
7723
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7724 7725 7726
					DRV_MSG_SEQ_NUMBER_MASK);
				reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

Y
Yaniv Rosner 已提交
7727
				bnx2x_fw_command(bp, reset_code, 0);
7728 7729
			}

7730 7731 7732
			/* now it's safe to release the lock */
			bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);

D
Dmitry Kravkov 已提交
7733
			bnx2x_undi_int_disable(bp);
7734 7735 7736 7737 7738 7739 7740 7741 7742 7743 7744 7745 7746 7747 7748 7749 7750 7751 7752 7753

			/* 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);
7754 7755 7756
			/* reset device */
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7757
			       0xd3ffffff);
7758 7759 7760
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
			       0x1403);
7761 7762 7763 7764 7765 7766 7767 7768
			/* 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
7769
			bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7770 7771

			/* restore our func and fw_seq */
D
Dmitry Kravkov 已提交
7772
			bp->pf_num = orig_pf_num;
7773
			bp->fw_seq =
D
Dmitry Kravkov 已提交
7774
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7775
				DRV_MSG_SEQ_NUMBER_MASK);
7776 7777
		} else
			bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7778 7779 7780 7781 7782 7783
	}
}

static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
{
	u32 val, val2, val3, val4, id;
E
Eilon Greenstein 已提交
7784
	u16 pmc;
7785 7786 7787 7788 7789 7790 7791 7792 7793

	/* 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
7794
	val = REG_RD(bp, MISC_REG_BOND_ID);
7795 7796
	id |= (val & 0xf);
	bp->common.chip_id = id;
7797 7798 7799 7800

	/* Set doorbell size */
	bp->db_size = (1 << BNX2X_DB_SHIFT);

D
Dmitry Kravkov 已提交
7801 7802 7803 7804 7805 7806 7807 7808 7809 7810 7811 7812 7813 7814 7815 7816 7817 7818 7819 7820
	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 */
	}

7821 7822 7823 7824 7825
	/*
	 * 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
7826 7827 7828 7829 7830 7831 7832
	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);
7833

7834 7835 7836 7837 7838 7839 7840
	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");
	}

7841 7842 7843 7844 7845 7846 7847
	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
7848 7849 7850
	bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
					MISC_REG_GENERIC_CR_1 :
					MISC_REG_GENERIC_CR_0));
7851
	bp->link_params.shmem_base = bp->common.shmem_base;
Y
Yaniv Rosner 已提交
7852
	bp->link_params.shmem2_base = bp->common.shmem2_base;
7853 7854
	BNX2X_DEV_INFO("shmem offset 0x%x  shmem2 offset 0x%x\n",
		       bp->common.shmem_base, bp->common.shmem2_base);
7855

D
Dmitry Kravkov 已提交
7856
	if (!bp->common.shmem_base) {
7857 7858 7859 7860 7861 7862 7863 7864
		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
7865
		BNX2X_ERR("BAD MCP validity signature\n");
7866 7867

	bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
7868
	BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
7869 7870 7871 7872 7873

	bp->link_params.hw_led_mode = ((bp->common.hw_config &
					SHARED_HW_CFG_LED_MODE_MASK) >>
				       SHARED_HW_CFG_LED_MODE_SHIFT);

7874 7875 7876 7877 7878 7879 7880 7881 7882
	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;

7883 7884 7885 7886 7887 7888
	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
7889 7890
		BNX2X_ERR("This driver needs bc_ver %X but found %X, "
			  "please upgrade BC\n", BNX2X_BC_VER, val);
7891
	}
E
Eilon Greenstein 已提交
7892
	bp->link_params.feature_config_flags |=
Y
Yaniv Rosner 已提交
7893
				(val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
D
Dmitry Kravkov 已提交
7894 7895
				FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;

Y
Yaniv Rosner 已提交
7896 7897 7898
	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
7899

7900 7901 7902
	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
7903
	BNX2X_DEV_INFO("%sWoL capable\n",
E
Eilon Greenstein 已提交
7904
		       (bp->flags & NO_WOL_FLAG) ? "not " : "");
7905 7906 7907 7908 7909 7910

	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
7911 7912
	dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
		 val, val2, val3, val4);
7913 7914
}

D
Dmitry Kravkov 已提交
7915 7916 7917 7918 7919 7920 7921 7922 7923 7924 7925 7926 7927 7928 7929
#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
7930
				       NUM_IGU_SB_REQUIRED(bp->l2_cid_count));
D
Dmitry Kravkov 已提交
7931 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

		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
7961 7962
	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
7963 7964 7965 7966
	if (bp->igu_sb_cnt == 0)
		BNX2X_ERR("CAM configuration error\n");
}

7967 7968
static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
						    u32 switch_cfg)
E
Eliezer Tamir 已提交
7969
{
Y
Yaniv Rosner 已提交
7970 7971 7972 7973 7974
	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
7975 7976
	switch (bp->link_params.num_phys) {
	case 1:
Y
Yaniv Rosner 已提交
7977 7978 7979
		bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
		cfg_size = 1;
		break;
Y
Yaniv Rosner 已提交
7980
	case 2:
Y
Yaniv Rosner 已提交
7981 7982 7983 7984 7985 7986 7987 7988 7989 7990 7991 7992 7993 7994 7995 7996 7997 7998
		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
7999
	}
E
Eliezer Tamir 已提交
8000

Y
Yaniv Rosner 已提交
8001
	if (!(bp->port.supported[0] || bp->port.supported[1])) {
Y
Yaniv Rosner 已提交
8002
		BNX2X_ERR("NVRAM config error. BAD phy config."
Y
Yaniv Rosner 已提交
8003
			  "PHY1 config 0x%x, PHY2 config 0x%x\n",
Y
Yaniv Rosner 已提交
8004
			   SHMEM_RD(bp,
Y
Yaniv Rosner 已提交
8005 8006 8007
			   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
8008
			return;
D
Dmitry Kravkov 已提交
8009
	}
E
Eliezer Tamir 已提交
8010

Y
Yaniv Rosner 已提交
8011 8012
	switch (switch_cfg) {
	case SWITCH_CFG_1G:
8013 8014 8015
		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
8016 8017 8018
		break;

	case SWITCH_CFG_10G:
8019 8020 8021
		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
8022 8023 8024 8025
		break;

	default:
		BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Y
Yaniv Rosner 已提交
8026
			  bp->port.link_config[0]);
E
Eliezer Tamir 已提交
8027 8028
		return;
	}
Y
Yaniv Rosner 已提交
8029 8030 8031
	/* 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
8032
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Y
Yaniv Rosner 已提交
8033
			bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
E
Eliezer Tamir 已提交
8034

Y
Yaniv Rosner 已提交
8035
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8036
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Y
Yaniv Rosner 已提交
8037
			bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
E
Eliezer Tamir 已提交
8038

Y
Yaniv Rosner 已提交
8039
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8040
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Y
Yaniv Rosner 已提交
8041
			bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
E
Eliezer Tamir 已提交
8042

Y
Yaniv Rosner 已提交
8043
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8044
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Y
Yaniv Rosner 已提交
8045
			bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
E
Eliezer Tamir 已提交
8046

Y
Yaniv Rosner 已提交
8047
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8048
					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Y
Yaniv Rosner 已提交
8049
			bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
D
Dmitry Kravkov 已提交
8050
						     SUPPORTED_1000baseT_Full);
E
Eliezer Tamir 已提交
8051

Y
Yaniv Rosner 已提交
8052
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8053
					PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Y
Yaniv Rosner 已提交
8054
			bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
E
Eliezer Tamir 已提交
8055

Y
Yaniv Rosner 已提交
8056
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
8057
					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Y
Yaniv Rosner 已提交
8058 8059 8060
			bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;

	}
E
Eliezer Tamir 已提交
8061

Y
Yaniv Rosner 已提交
8062 8063
	BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
		       bp->port.supported[1]);
E
Eliezer Tamir 已提交
8064 8065
}

8066
static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
E
Eliezer Tamir 已提交
8067
{
Y
Yaniv Rosner 已提交
8068 8069 8070 8071 8072 8073 8074 8075 8076 8077 8078 8079 8080 8081 8082 8083
	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
8084
		case PORT_FEATURE_LINK_SPEED_AUTO:
Y
Yaniv Rosner 已提交
8085 8086 8087 8088 8089
			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
8090 8091
			} else {
				/* force 10G, no AN */
Y
Yaniv Rosner 已提交
8092 8093 8094 8095
				bp->link_params.req_line_speed[idx] =
					SPEED_10000;
				bp->port.advertising[idx] |=
					(ADVERTISED_10000baseT_Full |
D
Dmitry Kravkov 已提交
8096
					 ADVERTISED_FIBRE);
Y
Yaniv Rosner 已提交
8097
				continue;
D
Dmitry Kravkov 已提交
8098 8099
			}
			break;
E
Eliezer Tamir 已提交
8100

D
Dmitry Kravkov 已提交
8101
		case PORT_FEATURE_LINK_SPEED_10M_FULL:
Y
Yaniv Rosner 已提交
8102 8103 8104 8105 8106
			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
8107 8108 8109 8110 8111 8112
					 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
8113
				    bp->link_params.speed_cap_mask[idx]);
D
Dmitry Kravkov 已提交
8114 8115 8116
				return;
			}
			break;
E
Eliezer Tamir 已提交
8117

D
Dmitry Kravkov 已提交
8118
		case PORT_FEATURE_LINK_SPEED_10M_HALF:
Y
Yaniv Rosner 已提交
8119 8120 8121 8122 8123 8124 8125
			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
8126 8127 8128 8129 8130 8131 8132 8133 8134 8135
					 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
8136

D
Dmitry Kravkov 已提交
8137 8138 8139
		case PORT_FEATURE_LINK_SPEED_100M_FULL:
			if (bp->port.supported[idx] &
			    SUPPORTED_100baseT_Full) {
Y
Yaniv Rosner 已提交
8140 8141 8142 8143
				bp->link_params.req_line_speed[idx] =
					SPEED_100;
				bp->port.advertising[idx] |=
					(ADVERTISED_100baseT_Full |
D
Dmitry Kravkov 已提交
8144 8145 8146 8147 8148 8149 8150 8151 8152 8153
					 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
8154

D
Dmitry Kravkov 已提交
8155 8156 8157 8158 8159 8160 8161
		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
8162 8163
				bp->port.advertising[idx] |=
					(ADVERTISED_100baseT_Half |
D
Dmitry Kravkov 已提交
8164 8165 8166
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8167 8168
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8169 8170
				    link_config,
				    bp->link_params.speed_cap_mask[idx]);
D
Dmitry Kravkov 已提交
8171 8172 8173
				return;
			}
			break;
E
Eliezer Tamir 已提交
8174

D
Dmitry Kravkov 已提交
8175
		case PORT_FEATURE_LINK_SPEED_1G:
Y
Yaniv Rosner 已提交
8176 8177 8178 8179 8180 8181
			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
8182 8183 8184
					 ADVERTISED_TP);
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8185 8186
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8187 8188
				    link_config,
				    bp->link_params.speed_cap_mask[idx]);
D
Dmitry Kravkov 已提交
8189 8190 8191
				return;
			}
			break;
E
Eliezer Tamir 已提交
8192

D
Dmitry Kravkov 已提交
8193
		case PORT_FEATURE_LINK_SPEED_2_5G:
Y
Yaniv Rosner 已提交
8194 8195 8196 8197 8198 8199
			if (bp->port.supported[idx] &
			    SUPPORTED_2500baseX_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_2500;
				bp->port.advertising[idx] |=
					(ADVERTISED_2500baseX_Full |
8200
						ADVERTISED_TP);
D
Dmitry Kravkov 已提交
8201 8202
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8203 8204
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8205
				    link_config,
D
Dmitry Kravkov 已提交
8206 8207 8208 8209
				    bp->link_params.speed_cap_mask[idx]);
				return;
			}
			break;
E
Eliezer Tamir 已提交
8210

D
Dmitry Kravkov 已提交
8211 8212 8213
		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
8214 8215 8216 8217 8218 8219
			if (bp->port.supported[idx] &
			    SUPPORTED_10000baseT_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_10000;
				bp->port.advertising[idx] |=
					(ADVERTISED_10000baseT_Full |
8220
						ADVERTISED_FIBRE);
D
Dmitry Kravkov 已提交
8221 8222
			} else {
				BNX2X_ERROR("NVRAM config error. "
V
Vladislav Zolotarov 已提交
8223 8224
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
8225
				    link_config,
D
Dmitry Kravkov 已提交
8226 8227 8228 8229
				    bp->link_params.speed_cap_mask[idx]);
				return;
			}
			break;
E
Eliezer Tamir 已提交
8230

D
Dmitry Kravkov 已提交
8231 8232 8233 8234 8235 8236 8237 8238 8239 8240
		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
8241

Y
Yaniv Rosner 已提交
8242
		bp->link_params.req_flow_ctrl[idx] = (link_config &
8243
					 PORT_FEATURE_FLOW_CONTROL_MASK);
Y
Yaniv Rosner 已提交
8244 8245 8246 8247 8248 8249
		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
8250

Y
Yaniv Rosner 已提交
8251 8252 8253 8254 8255 8256 8257
		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
8258 8259
}

8260 8261 8262 8263 8264 8265 8266 8267
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));
}

8268
static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
E
Eliezer Tamir 已提交
8269
{
8270
	int port = BP_PORT(bp);
E
Eilon Greenstein 已提交
8271
	u32 config;
8272
	u32 ext_phy_type, ext_phy_config;
E
Eliezer Tamir 已提交
8273

Y
Yaniv Rosner 已提交
8274
	bp->link_params.bp = bp;
8275
	bp->link_params.port = port;
Y
Yaniv Rosner 已提交
8276 8277

	bp->link_params.lane_config =
E
Eliezer Tamir 已提交
8278
		SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
E
Eilon Greenstein 已提交
8279

Y
Yaniv Rosner 已提交
8280
	bp->link_params.speed_cap_mask[0] =
E
Eliezer Tamir 已提交
8281 8282
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].speed_capability_mask);
Y
Yaniv Rosner 已提交
8283 8284 8285 8286
	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
8287 8288
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);

Y
Yaniv Rosner 已提交
8289 8290
	bp->port.link_config[1] =
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
8291

Y
Yaniv Rosner 已提交
8292 8293
	bp->link_params.multi_phy_config =
		SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
8294 8295 8296
	/* If the device is capable of WoL, set the default state according
	 * to the HW
	 */
E
Eilon Greenstein 已提交
8297
	config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
8298 8299 8300
	bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
		   (config & PORT_FEATURE_WOL_ENABLED));

D
Dmitry Kravkov 已提交
8301
	BNX2X_DEV_INFO("lane_config 0x%08x  "
Y
Yaniv Rosner 已提交
8302
		       "speed_cap_mask0 0x%08x  link_config0 0x%08x\n",
Y
Yaniv Rosner 已提交
8303
		       bp->link_params.lane_config,
Y
Yaniv Rosner 已提交
8304 8305
		       bp->link_params.speed_cap_mask[0],
		       bp->port.link_config[0]);
E
Eliezer Tamir 已提交
8306

Y
Yaniv Rosner 已提交
8307
	bp->link_params.switch_cfg = (bp->port.link_config[0] &
D
Dmitry Kravkov 已提交
8308
				      PORT_FEATURE_CONNECTED_SWITCH_MASK);
Y
Yaniv Rosner 已提交
8309
	bnx2x_phy_probe(&bp->link_params);
Y
Yaniv Rosner 已提交
8310
	bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
E
Eliezer Tamir 已提交
8311 8312 8313

	bnx2x_link_settings_requested(bp);

E
Eilon Greenstein 已提交
8314 8315 8316 8317
	/*
	 * If connected directly, work with the internal PHY, otherwise, work
	 * with the external PHY
	 */
Y
Yaniv Rosner 已提交
8318 8319 8320 8321
	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
8322
	if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Y
Yaniv Rosner 已提交
8323
		bp->mdio.prtad = bp->port.phy_addr;
E
Eilon Greenstein 已提交
8324 8325 8326 8327

	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
8328
			XGXS_EXT_PHY_ADDR(ext_phy_config);
8329 8330 8331 8332 8333 8334 8335 8336 8337 8338 8339

	/*
	 * 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);
8340
}
E
Eilon Greenstein 已提交
8341

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
#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

8374 8375 8376 8377 8378
static void __devinit bnx2x_get_mac_hwinfo(struct bnx2x *bp)
{
	u32 val, val2;
	int func = BP_ABS_FUNC(bp);
	int port = BP_PORT(bp);
8379 8380 8381 8382
#ifdef BCM_CNIC
	u8 *iscsi_mac = bp->cnic_eth_dev.iscsi_mac;
	u8 *fip_mac = bp->fip_mac;
#endif
8383 8384 8385 8386 8387 8388 8389 8390 8391 8392

	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);
8393 8394

#ifdef BCM_CNIC
8395 8396 8397
		/* iSCSI and FCoE NPAR MACs: if there is no either iSCSI or
		 * FCoE MAC then the appropriate feature should be disabled.
		 */
8398 8399 8400 8401 8402 8403 8404
		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);
8405 8406 8407 8408 8409 8410 8411 8412 8413 8414 8415 8416 8417 8418 8419 8420 8421
				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;
8422
		}
8423
#endif
8424 8425 8426 8427 8428 8429 8430 8431 8432 8433 8434
	} 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);
8435
		bnx2x_set_mac_buf(iscsi_mac, val, val2);
8436 8437 8438 8439 8440 8441
#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
8442
#ifdef BCM_CNIC
8443
	/* Set the FCoE MAC in modes other then MF_SI */
V
Vladislav Zolotarov 已提交
8444 8445
	if (!CHIP_IS_E1x(bp)) {
		if (IS_MF_SD(bp))
8446 8447 8448
			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
8449
	}
8450 8451 8452 8453 8454 8455 8456 8457 8458 8459 8460 8461 8462 8463 8464 8465

	/* 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
8466
#endif
8467 8468 8469 8470
}

static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
{
8471
	int /*abs*/func = BP_ABS_FUNC(bp);
8472
	int vn;
8473
	u32 val = 0;
8474
	int rc = 0;
E
Eliezer Tamir 已提交
8475

8476
	bnx2x_get_common_hwinfo(bp);
E
Eliezer Tamir 已提交
8477

D
Dmitry Kravkov 已提交
8478 8479 8480 8481 8482
	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
8483 8484
		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
8485 8486 8487 8488 8489 8490 8491 8492
	} 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");
8493

D
Dmitry Kravkov 已提交
8494 8495 8496 8497 8498 8499 8500 8501 8502
		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
	 */
8503

D
Dmitry Kravkov 已提交
8504 8505
	bp->mf_ov = 0;
	bp->mf_mode = 0;
D
Dmitry Kravkov 已提交
8506
	vn = BP_E1HVN(bp);
8507

D
Dmitry Kravkov 已提交
8508
	if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
8509 8510 8511 8512
		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
8513 8514 8515 8516
		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 +
8517 8518
				offsetof(struct shmem_region, func_mb) +
				E1H_FUNC_MAX * sizeof(struct drv_func_mb);
8519 8520
		/*
		 * get mf configuration:
L
Lucas De Marchi 已提交
8521
		 * 1. existence of MF configuration
8522 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
		 * 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
8563
				DP(NETIF_MSG_PROBE, "Unknown MF mode 0x%x\n",
8564 8565 8566
				   val);
			}
		}
E
Eliezer Tamir 已提交
8567

8568
		BNX2X_DEV_INFO("%s function mode\n",
D
Dmitry Kravkov 已提交
8569
			       IS_MF(bp) ? "multi" : "single");
8570

8571 8572 8573 8574
		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;
8575
			if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
D
Dmitry Kravkov 已提交
8576
				bp->mf_ov = val;
8577 8578 8579
				BNX2X_DEV_INFO("MF OV for func %d is %d"
					       " (0x%04x)\n", func,
					       bp->mf_ov, bp->mf_ov);
8580
			} else {
8581 8582
				BNX2X_ERR("No valid MF OV for func %d,"
					  "  aborting\n", func);
8583 8584
				rc = -EPERM;
			}
8585 8586 8587 8588 8589 8590 8591 8592 8593
			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);
8594 8595
				rc = -EPERM;
			}
8596
			break;
8597
		}
8598

8599
	}
E
Eliezer Tamir 已提交
8600

D
Dmitry Kravkov 已提交
8601 8602
	/* adjust igu_sb_cnt to MF for E1x */
	if (CHIP_IS_E1x(bp) && IS_MF(bp))
8603 8604
		bp->igu_sb_cnt /= E1HVN_MAX;

D
Dmitry Kravkov 已提交
8605 8606 8607 8608 8609 8610 8611 8612 8613
	/*
	 * 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));

8614 8615 8616
	if (!BP_NOMCP(bp)) {
		bnx2x_get_port_hwinfo(bp);

D
Dmitry Kravkov 已提交
8617 8618 8619
		bp->fw_seq =
			(SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
			 DRV_MSG_SEQ_NUMBER_MASK);
8620 8621 8622
		BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
	}

8623 8624
	/* Get MAC addresses */
	bnx2x_get_mac_hwinfo(bp);
E
Eliezer Tamir 已提交
8625

8626 8627 8628 8629
#ifdef BCM_CNIC
	bnx2x_get_cnic_info(bp);
#endif

8630 8631 8632
	return rc;
}

8633 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
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;
}

8697 8698
static int __devinit bnx2x_init_bp(struct bnx2x *bp)
{
D
Dmitry Kravkov 已提交
8699
	int func;
8700
	int timer_interval;
8701 8702
	int rc;

8703 8704
	/* Disable interrupt handling until HW is initialized */
	atomic_set(&bp->intr_sem, 1);
E
Eilon Greenstein 已提交
8705
	smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
8706

8707
	mutex_init(&bp->port.phy_mutex);
E
Eilon Greenstein 已提交
8708
	mutex_init(&bp->fw_mb_mutex);
8709
	spin_lock_init(&bp->stats_lock);
8710 8711 8712
#ifdef BCM_CNIC
	mutex_init(&bp->cnic_mutex);
#endif
E
Eliezer Tamir 已提交
8713

8714
	INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
8715
	INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
8716 8717 8718

	rc = bnx2x_get_hwinfo(bp);

8719 8720 8721
	if (!rc)
		rc = bnx2x_alloc_mem_bp(bp);

8722
	bnx2x_read_fwinfo(bp);
D
Dmitry Kravkov 已提交
8723 8724 8725

	func = BP_FUNC(bp);

8726 8727 8728 8729 8730
	/* 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
8731
		dev_err(&bp->pdev->dev, "FPGA detected\n");
8732 8733

	if (BP_NOMCP(bp) && (func == 0))
V
Vladislav Zolotarov 已提交
8734 8735
		dev_err(&bp->pdev->dev, "MCP disabled, "
					"must load devices in order!\n");
8736

E
Eilon Greenstein 已提交
8737
	bp->multi_mode = multi_mode;
8738
	bp->int_mode = int_mode;
E
Eilon Greenstein 已提交
8739

8740 8741 8742 8743 8744 8745 8746 8747
	/* 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;
	}
8748
	bp->disable_tpa = disable_tpa;
8749

8750 8751 8752 8753 8754
	if (CHIP_IS_E1(bp))
		bp->dropless_fc = 0;
	else
		bp->dropless_fc = dropless_fc;

8755
	bp->mrrs = mrrs;
8756

8757 8758
	bp->tx_ring_size = MAX_TX_AVAIL;

8759
	/* make sure that the numbers are in the right granularity */
8760 8761
	bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
	bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
8762

8763 8764
	timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
	bp->current_interval = (poll ? poll : timer_interval);
8765 8766 8767 8768 8769 8770

	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
8771
	bnx2x_dcbx_set_state(bp, true, BNX2X_DCBX_ENABLED_ON_NEG_ON);
V
Vladislav Zolotarov 已提交
8772 8773
	bnx2x_dcbx_init_params(bp);

8774
	return rc;
E
Eliezer Tamir 已提交
8775 8776 8777
}


8778 8779 8780
/****************************************************************************
* General service functions
****************************************************************************/
E
Eliezer Tamir 已提交
8781

Y
Yitchak Gertner 已提交
8782
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
8783 8784 8785 8786
static int bnx2x_open(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

E
Eilon Greenstein 已提交
8787 8788
	netif_carrier_off(dev);

E
Eliezer Tamir 已提交
8789 8790
	bnx2x_set_power_state(bp, PCI_D0);

8791 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
	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
8825
	return bnx2x_nic_load(bp, LOAD_OPEN);
E
Eliezer Tamir 已提交
8826 8827
}

Y
Yitchak Gertner 已提交
8828
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
8829 8830 8831 8832 8833
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
8834
	bnx2x_nic_unload(bp, UNLOAD_CLOSE);
8835
	bnx2x_set_power_state(bp, PCI_D3hot);
E
Eliezer Tamir 已提交
8836 8837 8838 8839

	return 0;
}

8840 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
#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
9026
/* called with netif_tx_lock from dev_mcast.c */
D
Dmitry Kravkov 已提交
9027
void bnx2x_set_rx_mode(struct net_device *dev)
9028 9029 9030 9031 9032 9033 9034 9035 9036 9037 9038 9039 9040
{
	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;
9041
	else if (dev->flags & IFF_ALLMULTI)
9042
		rx_mode = BNX2X_RX_MODE_ALLMULTI;
9043 9044 9045 9046
	else {
		/* some multicasts */
		if (bnx2x_set_mc_list(bp))
			rx_mode = BNX2X_RX_MODE_ALLMULTI;
9047

9048 9049 9050
		/* some unicasts */
		if (bnx2x_set_uc_list(bp))
			rx_mode = BNX2X_RX_MODE_PROMISC;
9051 9052 9053 9054 9055 9056
	}

	bp->rx_mode = rx_mode;
	bnx2x_set_storm_rx_mode(bp);
}

Y
Yaniv Rosner 已提交
9057
/* called with rtnl_lock */
E
Eilon Greenstein 已提交
9058 9059
static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
			   int devad, u16 addr)
E
Eliezer Tamir 已提交
9060
{
E
Eilon Greenstein 已提交
9061 9062 9063
	struct bnx2x *bp = netdev_priv(netdev);
	u16 value;
	int rc;
E
Eliezer Tamir 已提交
9064

E
Eilon Greenstein 已提交
9065 9066
	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
9067

E
Eilon Greenstein 已提交
9068 9069
	/* 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
9070

E
Eilon Greenstein 已提交
9071
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
9072
	rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
E
Eilon Greenstein 已提交
9073 9074
	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
9075

E
Eilon Greenstein 已提交
9076 9077 9078 9079
	if (!rc)
		rc = value;
	return rc;
}
E
Eliezer Tamir 已提交
9080

E
Eilon Greenstein 已提交
9081 9082 9083 9084 9085 9086 9087 9088 9089 9090 9091 9092
/* 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
9093

E
Eilon Greenstein 已提交
9094
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
9095
	rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
E
Eilon Greenstein 已提交
9096 9097 9098
	bnx2x_release_phy_lock(bp);
	return rc;
}
Y
Yaniv Rosner 已提交
9099

E
Eilon Greenstein 已提交
9100 9101 9102 9103 9104
/* 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
9105

E
Eilon Greenstein 已提交
9106 9107
	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
9108

E
Eilon Greenstein 已提交
9109 9110 9111 9112
	if (!netif_running(dev))
		return -EAGAIN;

	return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
E
Eliezer Tamir 已提交
9113 9114
}

A
Alexey Dobriyan 已提交
9115
#ifdef CONFIG_NET_POLL_CONTROLLER
E
Eliezer Tamir 已提交
9116 9117 9118 9119 9120 9121 9122 9123 9124 9125
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

9126 9127 9128 9129
static const struct net_device_ops bnx2x_netdev_ops = {
	.ndo_open		= bnx2x_open,
	.ndo_stop		= bnx2x_close,
	.ndo_start_xmit		= bnx2x_start_xmit,
9130
	.ndo_select_queue	= bnx2x_select_queue,
9131
	.ndo_set_rx_mode	= bnx2x_set_rx_mode,
9132 9133 9134 9135
	.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,
9136 9137
	.ndo_fix_features	= bnx2x_fix_features,
	.ndo_set_features	= bnx2x_set_features,
9138
	.ndo_tx_timeout		= bnx2x_tx_timeout,
A
Alexey Dobriyan 已提交
9139
#ifdef CONFIG_NET_POLL_CONTROLLER
9140 9141 9142 9143
	.ndo_poll_controller	= poll_bnx2x,
#endif
};

9144 9145
static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
				    struct net_device *dev)
E
Eliezer Tamir 已提交
9146 9147 9148 9149 9150 9151 9152
{
	struct bnx2x *bp;
	int rc;

	SET_NETDEV_DEV(dev, &pdev->dev);
	bp = netdev_priv(dev);

9153 9154
	bp->dev = dev;
	bp->pdev = pdev;
E
Eliezer Tamir 已提交
9155
	bp->flags = 0;
D
Dmitry Kravkov 已提交
9156
	bp->pf_num = PCI_FUNC(pdev->devfn);
E
Eliezer Tamir 已提交
9157 9158 9159

	rc = pci_enable_device(pdev);
	if (rc) {
V
Vladislav Zolotarov 已提交
9160 9161
		dev_err(&bp->pdev->dev,
			"Cannot enable PCI device, aborting\n");
E
Eliezer Tamir 已提交
9162 9163 9164 9165
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
V
Vladislav Zolotarov 已提交
9166 9167
		dev_err(&bp->pdev->dev,
			"Cannot find PCI device base address, aborting\n");
E
Eliezer Tamir 已提交
9168 9169 9170 9171 9172
		rc = -ENODEV;
		goto err_out_disable;
	}

	if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
V
Vladislav Zolotarov 已提交
9173 9174
		dev_err(&bp->pdev->dev, "Cannot find second PCI device"
		       " base address, aborting\n");
E
Eliezer Tamir 已提交
9175 9176 9177 9178
		rc = -ENODEV;
		goto err_out_disable;
	}

9179 9180 9181
	if (atomic_read(&pdev->enable_cnt) == 1) {
		rc = pci_request_regions(pdev, DRV_MODULE_NAME);
		if (rc) {
V
Vladislav Zolotarov 已提交
9182 9183
			dev_err(&bp->pdev->dev,
				"Cannot obtain PCI resources, aborting\n");
9184 9185
			goto err_out_disable;
		}
E
Eliezer Tamir 已提交
9186

9187 9188 9189
		pci_set_master(pdev);
		pci_save_state(pdev);
	}
E
Eliezer Tamir 已提交
9190 9191 9192

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
V
Vladislav Zolotarov 已提交
9193 9194
		dev_err(&bp->pdev->dev,
			"Cannot find power management capability, aborting\n");
E
Eliezer Tamir 已提交
9195 9196 9197 9198 9199 9200
		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
9201 9202
		dev_err(&bp->pdev->dev,
			"Cannot find PCI Express capability, aborting\n");
E
Eliezer Tamir 已提交
9203 9204 9205 9206
		rc = -EIO;
		goto err_out_release;
	}

9207
	if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
E
Eliezer Tamir 已提交
9208
		bp->flags |= USING_DAC_FLAG;
9209
		if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
V
Vladislav Zolotarov 已提交
9210 9211
			dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
			       " failed, aborting\n");
E
Eliezer Tamir 已提交
9212 9213 9214 9215
			rc = -EIO;
			goto err_out_release;
		}

9216
	} else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
V
Vladislav Zolotarov 已提交
9217 9218
		dev_err(&bp->pdev->dev,
			"System does not support DMA, aborting\n");
E
Eliezer Tamir 已提交
9219 9220 9221 9222
		rc = -EIO;
		goto err_out_release;
	}

9223 9224 9225
	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
9226 9227 9228

	dev->irq = pdev->irq;

9229
	bp->regview = pci_ioremap_bar(pdev, 0);
E
Eliezer Tamir 已提交
9230
	if (!bp->regview) {
V
Vladislav Zolotarov 已提交
9231 9232
		dev_err(&bp->pdev->dev,
			"Cannot map register space, aborting\n");
E
Eliezer Tamir 已提交
9233 9234 9235 9236
		rc = -ENOMEM;
		goto err_out_release;
	}

9237
	bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
9238
					min_t(u64, BNX2X_DB_SIZE(bp),
9239
					      pci_resource_len(pdev, 2)));
E
Eliezer Tamir 已提交
9240
	if (!bp->doorbells) {
V
Vladislav Zolotarov 已提交
9241 9242
		dev_err(&bp->pdev->dev,
			"Cannot map doorbell space, aborting\n");
E
Eliezer Tamir 已提交
9243 9244 9245 9246 9247 9248
		rc = -ENOMEM;
		goto err_out_unmap;
	}

	bnx2x_set_power_state(bp, PCI_D0);

9249 9250 9251 9252 9253 9254 9255
	/* 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
9256

9257 9258 9259
	/* Reset the load counter */
	bnx2x_clear_load_cnt(bp);

9260
	dev->watchdog_timeo = TX_TIMEOUT;
E
Eliezer Tamir 已提交
9261

9262
	dev->netdev_ops = &bnx2x_netdev_ops;
9263
	bnx2x_set_ethtool_ops(dev);
E
Eilon Greenstein 已提交
9264

9265 9266 9267 9268 9269 9270 9271 9272
	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
9273
	if (bp->flags & USING_DAC_FLAG)
9274
		dev->features |= NETIF_F_HIGHDMA;
E
Eliezer Tamir 已提交
9275

9276
#ifdef BCM_DCBNL
S
Shmulik Ravid 已提交
9277 9278 9279
	dev->dcbnl_ops = &bnx2x_dcbnl_ops;
#endif

E
Eilon Greenstein 已提交
9280 9281 9282 9283 9284 9285 9286 9287
	/* 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
9288 9289 9290 9291 9292 9293 9294 9295 9296 9297 9298 9299 9300
	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:
9301 9302
	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);
E
Eliezer Tamir 已提交
9303 9304 9305 9306 9307 9308 9309 9310 9311

err_out_disable:
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);

err_out:
	return rc;
}

9312 9313
static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
						 int *width, int *speed)
E
Eliezer Tamir 已提交
9314 9315 9316
{
	u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);

9317
	*width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
E
Eliezer Tamir 已提交
9318

9319 9320
	/* return value of 1=2.5GHz 2=5GHz */
	*speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
E
Eliezer Tamir 已提交
9321
}
9322

9323
static int bnx2x_check_firmware(struct bnx2x *bp)
9324
{
9325
	const struct firmware *firmware = bp->firmware;
9326 9327 9328
	struct bnx2x_fw_file_hdr *fw_hdr;
	struct bnx2x_fw_file_section *sections;
	u32 offset, len, num_ops;
9329
	u16 *ops_offsets;
9330
	int i;
9331
	const u8 *fw_ver;
9332 9333 9334 9335 9336 9337 9338 9339 9340 9341 9342 9343 9344

	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
9345 9346
			dev_err(&bp->pdev->dev,
				"Section %d length is out of bounds\n", i);
9347 9348 9349 9350 9351 9352 9353 9354 9355 9356 9357
			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
9358 9359
			dev_err(&bp->pdev->dev,
				"Section offset %d is out of bounds\n", i);
9360 9361 9362 9363 9364 9365 9366 9367 9368 9369 9370
			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
9371 9372
		dev_err(&bp->pdev->dev,
			"Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
9373 9374 9375 9376 9377
		       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);
9378
		return -EINVAL;
9379 9380 9381 9382 9383
	}

	return 0;
}

9384
static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9385
{
9386 9387
	const __be32 *source = (const __be32 *)_source;
	u32 *target = (u32 *)_target;
9388 9389 9390 9391 9392 9393 9394 9395 9396 9397
	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)}
 */
9398
static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
9399
{
9400 9401
	const __be32 *source = (const __be32 *)_source;
	struct raw_op *target = (struct raw_op *)_target;
9402 9403
	u32 i, j, tmp;

9404
	for (i = 0, j = 0; i < n/8; i++, j += 2) {
9405 9406
		tmp = be32_to_cpu(source[j]);
		target[i].op = (tmp >> 24) & 0xff;
V
Vladislav Zolotarov 已提交
9407 9408
		target[i].offset = tmp & 0xffffff;
		target[i].raw_data = be32_to_cpu(source[j + 1]);
9409 9410
	}
}
9411

9412 9413 9414 9415 9416 9417 9418 9419 9420 9421 9422 9423 9424 9425 9426 9427 9428 9429 9430 9431 9432 9433 9434 9435
/**
 * 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++;
	}
}

9436
static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
9437
{
9438 9439
	const __be16 *source = (const __be16 *)_source;
	u16 *target = (u16 *)_target;
9440 9441 9442 9443 9444 9445
	u32 i;

	for (i = 0; i < n/2; i++)
		target[i] = be16_to_cpu(source[i]);
}

9446 9447 9448 9449 9450 9451 9452 9453 9454 9455 9456
#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)
9457

9458
int bnx2x_init_firmware(struct bnx2x *bp)
9459
{
B
Ben Hutchings 已提交
9460
	const char *fw_file_name;
9461
	struct bnx2x_fw_file_hdr *fw_hdr;
B
Ben Hutchings 已提交
9462
	int rc;
9463 9464

	if (CHIP_IS_E1(bp))
B
Ben Hutchings 已提交
9465
		fw_file_name = FW_FILE_NAME_E1;
V
Vladislav Zolotarov 已提交
9466
	else if (CHIP_IS_E1H(bp))
B
Ben Hutchings 已提交
9467
		fw_file_name = FW_FILE_NAME_E1H;
D
Dmitry Kravkov 已提交
9468 9469
	else if (CHIP_IS_E2(bp))
		fw_file_name = FW_FILE_NAME_E2;
V
Vladislav Zolotarov 已提交
9470
	else {
9471
		BNX2X_ERR("Unsupported chip revision\n");
V
Vladislav Zolotarov 已提交
9472 9473
		return -EINVAL;
	}
9474

9475
	BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
9476

9477
	rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
9478
	if (rc) {
9479
		BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
9480 9481 9482 9483 9484
		goto request_firmware_exit;
	}

	rc = bnx2x_check_firmware(bp);
	if (rc) {
9485
		BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
9486 9487 9488 9489 9490 9491 9492 9493 9494 9495 9496 9497 9498
		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 */
9499 9500
	BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
			    be16_to_cpu_n);
9501 9502

	/* STORMs firmware */
9503 9504 9505 9506 9507 9508 9509 9510 9511 9512 9513 9514 9515 9516 9517 9518
	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);
9519 9520
	/* IRO */
	BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
9521 9522

	return 0;
9523

9524 9525
iro_alloc_err:
	kfree(bp->init_ops_offsets);
9526 9527 9528 9529 9530 9531 9532 9533 9534 9535
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;
}

9536 9537 9538
static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
{
	int cid_count = L2_FP_COUNT(l2_cid_count);
9539

9540 9541 9542 9543 9544
#ifdef BCM_CNIC
	cid_count += CNIC_CID_MAX;
#endif
	return roundup(cid_count, QM_CID_ROUND);
}
D
Dmitry Kravkov 已提交
9545

E
Eliezer Tamir 已提交
9546 9547 9548 9549 9550
static int __devinit bnx2x_init_one(struct pci_dev *pdev,
				    const struct pci_device_id *ent)
{
	struct net_device *dev = NULL;
	struct bnx2x *bp;
9551
	int pcie_width, pcie_speed;
9552 9553
	int rc, cid_count;

D
Dmitry Kravkov 已提交
9554 9555 9556 9557 9558 9559 9560 9561 9562 9563 9564
	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
9565

D
Dmitry Kravkov 已提交
9566 9567 9568
	default:
		pr_err("Unknown board_type (%ld), aborting\n",
			   ent->driver_data);
V
Vasiliy Kulikov 已提交
9569
		return -ENODEV;
D
Dmitry Kravkov 已提交
9570 9571
	}

V
Vladislav Zolotarov 已提交
9572
	cid_count += NONE_ETH_CONTEXT_USE + CNIC_CONTEXT_USE;
D
Dmitry Kravkov 已提交
9573

E
Eliezer Tamir 已提交
9574
	/* dev zeroed in init_etherdev */
9575
	dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
9576
	if (!dev) {
V
Vladislav Zolotarov 已提交
9577
		dev_err(&pdev->dev, "Cannot allocate net device\n");
E
Eliezer Tamir 已提交
9578
		return -ENOMEM;
9579
	}
E
Eliezer Tamir 已提交
9580 9581

	bp = netdev_priv(dev);
9582
	bp->msg_enable = debug;
E
Eliezer Tamir 已提交
9583

9584 9585
	pci_set_drvdata(pdev, dev);

9586 9587
	bp->l2_cid_count = cid_count;

9588
	rc = bnx2x_init_dev(pdev, dev);
E
Eliezer Tamir 已提交
9589 9590 9591 9592 9593
	if (rc < 0) {
		free_netdev(dev);
		return rc;
	}

9594
	rc = bnx2x_init_bp(bp);
9595 9596 9597
	if (rc)
		goto init_one_exit;

9598 9599 9600
	/* calc qm_cid_count */
	bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);

V
Vladislav Zolotarov 已提交
9601 9602 9603 9604 9605 9606 9607
#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
9608
	/* Configure interrupt mode: try to enable MSI-X/MSI if
9609 9610 9611 9612 9613 9614 9615
	 * needed, set bp->num_queues appropriately.
	 */
	bnx2x_set_int_mode(bp);

	/* Add all NAPI objects */
	bnx2x_add_all_napi(bp);

9616 9617 9618 9619 9620 9621
	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
9622 9623 9624 9625 9626 9627 9628 9629 9630
#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

9631
	bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
9632

V
Vladislav Zolotarov 已提交
9633 9634 9635
	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
9636 9637 9638 9639
	       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
9640 9641
	       dev->base_addr, bp->pdev->irq);
	pr_cont("node addr %pM\n", dev->dev_addr);
E
Eilon Greenstein 已提交
9642

E
Eliezer Tamir 已提交
9643
	return 0;
9644 9645 9646 9647 9648 9649 9650 9651 9652 9653 9654 9655 9656 9657 9658 9659 9660

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
9661 9662 9663 9664 9665
}

static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
9666 9667 9668
	struct bnx2x *bp;

	if (!dev) {
V
Vladislav Zolotarov 已提交
9669
		dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
9670 9671 9672
		return;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
9673

V
Vladislav Zolotarov 已提交
9674 9675 9676 9677 9678 9679 9680 9681 9682
#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

9683 9684 9685 9686 9687
#ifdef BCM_DCBNL
	/* Delete app tlvs from dcbnl */
	bnx2x_dcbnl_update_applist(bp, true);
#endif

E
Eliezer Tamir 已提交
9688 9689
	unregister_netdev(dev);

9690 9691 9692
	/* Delete all NAPI objects */
	bnx2x_del_all_napi(bp);

9693 9694 9695
	/* Power on: we can't let PCI layer write to us while we are in D3 */
	bnx2x_set_power_state(bp, PCI_D0);

9696 9697
	/* Disable MSI/MSI-X */
	bnx2x_disable_msi(bp);
D
Dmitry Kravkov 已提交
9698

9699 9700 9701
	/* Power off */
	bnx2x_set_power_state(bp, PCI_D3hot);

9702 9703 9704
	/* Make sure RESET task is not scheduled before continuing */
	cancel_delayed_work_sync(&bp->reset_task);

E
Eliezer Tamir 已提交
9705 9706 9707 9708 9709 9710
	if (bp->regview)
		iounmap(bp->regview);

	if (bp->doorbells)
		iounmap(bp->doorbells);

9711 9712
	bnx2x_free_mem_bp(bp);

E
Eliezer Tamir 已提交
9713
	free_netdev(dev);
9714 9715 9716 9717

	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);

E
Eliezer Tamir 已提交
9718 9719 9720 9721
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

Y
Yitchak Gertner 已提交
9722 9723 9724 9725 9726 9727 9728 9729 9730
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);
9731
	netif_carrier_off(bp->dev);
Y
Yitchak Gertner 已提交
9732 9733 9734 9735 9736 9737

	del_timer_sync(&bp->timer);
	bp->stats_state = STATS_STATE_DISABLED;
	DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n");

	/* Release IRQs */
9738
	bnx2x_free_irq(bp);
Y
Yitchak Gertner 已提交
9739 9740 9741

	/* Free SKBs, SGEs, TPA pool and driver internals */
	bnx2x_free_skbs(bp);
9742

V
Vladislav Zolotarov 已提交
9743
	for_each_rx_queue(bp, i)
Y
Yitchak Gertner 已提交
9744
		bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
9745

Y
Yitchak Gertner 已提交
9746 9747 9748 9749 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
	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
9777 9778 9779
		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
9780 9781 9782 9783
		BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
	}
}

W
Wendy Xiong 已提交
9784 9785 9786 9787 9788 9789 9790 9791 9792 9793 9794 9795 9796 9797 9798 9799 9800 9801
/**
 * 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);

9802 9803 9804 9805 9806
	if (state == pci_channel_io_perm_failure) {
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

W
Wendy Xiong 已提交
9807
	if (netif_running(dev))
Y
Yitchak Gertner 已提交
9808
		bnx2x_eeh_nic_unload(bp);
W
Wendy Xiong 已提交
9809 9810 9811 9812 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

	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);

9861
	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
D
Dmitry Kravkov 已提交
9862 9863
		printk(KERN_ERR "Handling parity error recovery. "
				"Try again later\n");
9864 9865 9866
		return;
	}

W
Wendy Xiong 已提交
9867 9868
	rtnl_lock();

Y
Yitchak Gertner 已提交
9869 9870
	bnx2x_eeh_recover(bp);

W
Wendy Xiong 已提交
9871
	if (netif_running(dev))
Y
Yitchak Gertner 已提交
9872
		bnx2x_nic_load(bp, LOAD_NORMAL);
W
Wendy Xiong 已提交
9873 9874 9875 9876 9877 9878 9879 9880

	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
9881 9882
	.slot_reset     = bnx2x_io_slot_reset,
	.resume         = bnx2x_io_resume,
W
Wendy Xiong 已提交
9883 9884
};

E
Eliezer Tamir 已提交
9885
static struct pci_driver bnx2x_pci_driver = {
W
Wendy Xiong 已提交
9886 9887 9888 9889 9890 9891 9892
	.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
9893 9894 9895 9896
};

static int __init bnx2x_init(void)
{
9897 9898
	int ret;

9899
	pr_info("%s", version);
9900

9901 9902
	bnx2x_wq = create_singlethread_workqueue("bnx2x");
	if (bnx2x_wq == NULL) {
9903
		pr_err("Cannot create workqueue\n");
9904 9905 9906
		return -ENOMEM;
	}

9907 9908
	ret = pci_register_driver(&bnx2x_pci_driver);
	if (ret) {
9909
		pr_err("Cannot register driver\n");
9910 9911 9912
		destroy_workqueue(bnx2x_wq);
	}
	return ret;
E
Eliezer Tamir 已提交
9913 9914 9915 9916 9917
}

static void __exit bnx2x_cleanup(void)
{
	pci_unregister_driver(&bnx2x_pci_driver);
9918 9919

	destroy_workqueue(bnx2x_wq);
E
Eliezer Tamir 已提交
9920 9921 9922 9923 9924
}

module_init(bnx2x_init);
module_exit(bnx2x_cleanup);

9925 9926 9927 9928 9929 9930 9931 9932 9933 9934 9935 9936 9937
#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);
9938
	BUG_ON(bp->cnic_spq_pending < count);
9939 9940 9941
	bp->cnic_spq_pending -= count;


9942 9943 9944 9945 9946 9947 9948 9949 9950 9951 9952 9953 9954 9955 9956 9957 9958 9959 9960
	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));
		}

9961 9962 9963 9964
		/* 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.
9965
		 */
9966 9967 9968 9969 9970 9971 9972
		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))
9973 9974
				break;
			else
9975
				atomic_dec(&bp->eq_spq_left);
V
Vladislav Zolotarov 已提交
9976 9977
		} else if ((type == ISCSI_CONNECTION_TYPE) ||
			   (type == FCOE_CONNECTION_TYPE)) {
9978 9979 9980 9981 9982 9983 9984 9985
			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();
9986
			break;
9987
		}
9988 9989 9990 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

		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,
10029 10030
		   spe->data.update_data_addr.hi,
		   spe->data.update_data_addr.lo,
10031 10032 10033 10034 10035 10036 10037 10038 10039 10040 10041 10042 10043 10044 10045 10046 10047 10048 10049 10050 10051 10052
		   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);
10053 10054
	c_ops = rcu_dereference_protected(bp->cnic_ops,
					  lockdep_is_held(&bp->cnic_mutex));
10055 10056 10057 10058 10059 10060 10061 10062 10063 10064 10065 10066 10067 10068 10069 10070 10071 10072 10073 10074 10075 10076 10077 10078
	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
10079
int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
10080 10081 10082 10083 10084 10085 10086 10087 10088 10089 10090 10091 10092 10093 10094 10095 10096
{
	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);
10097
	bnx2x_cnic_sp_post(bp, 0);
10098 10099 10100 10101 10102 10103 10104 10105 10106 10107 10108 10109 10110 10111 10112 10113
}

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;
	}

10114 10115
	case DRV_CTL_RET_L5_SPQ_CREDIT_CMD: {
		int count = ctl->data.credit.credit_count;
10116 10117 10118 10119 10120 10121 10122 10123 10124

		bnx2x_cnic_sp_post(bp, count);
		break;
	}

	/* rtnl_lock is held.  */
	case DRV_CTL_START_L2_CMD: {
		u32 cli = ctl->data.ring.client_id;

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Vladislav Zolotarov 已提交
10125 10126 10127
		/* Clear FCoE FIP and ALL ENODE MACs addresses first */
		bnx2x_del_fcoe_eth_macs(bp);

10128 10129 10130 10131 10132 10133 10134 10135 10136 10137 10138 10139 10140 10141 10142 10143 10144 10145
		/* 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));

10146 10147 10148 10149 10150 10151 10152
		break;
	}

	/* rtnl_lock is held.  */
	case DRV_CTL_STOP_L2_CMD: {
		u32 cli = ctl->data.ring.client_id;

10153 10154 10155 10156 10157 10158 10159 10160 10161
		/* 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);
10162 10163
		break;
	}
10164 10165 10166 10167
	case DRV_CTL_RET_L2_SPQ_CREDIT_CMD: {
		int count = ctl->data.credit.credit_count;

		smp_mb__before_atomic_inc();
10168
		atomic_add(count, &bp->cq_spq_left);
10169 10170 10171
		smp_mb__after_atomic_inc();
		break;
	}
10172

10173 10174 10175 10176 10177
	case DRV_CTL_ISCSI_STOPPED_CMD: {
		bnx2x_dcbx_set_params(bp, BNX2X_DCBX_STATE_ISCSI_STOPPED);
		break;
	}

10178 10179 10180 10181 10182 10183 10184 10185
	default:
		BNX2X_ERR("unknown command %x\n", ctl->cmd);
		rc = -EINVAL;
	}

	return rc;
}

D
Dmitry Kravkov 已提交
10186
void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
10187 10188 10189 10190 10191 10192 10193 10194 10195 10196 10197
{
	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
10198 10199 10200 10201 10202
	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;

10203
	cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
10204
	cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
10205 10206
	cp->irq_arr[1].status_blk = bp->def_status_blk;
	cp->irq_arr[1].status_blk_num = DEF_SB_ID;
10207
	cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
10208 10209 10210 10211 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

	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;
10239
	cp->iro_arr = bp->iro_arr;
10240 10241

	bnx2x_setup_cnic_irq_info(bp);
10242

10243 10244 10245 10246 10247 10248 10249 10250 10251 10252 10253 10254 10255 10256 10257 10258 10259 10260 10261 10262 10263 10264 10265 10266 10267 10268
	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;

10269 10270 10271 10272 10273 10274 10275
	/* 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;

10276 10277 10278 10279 10280 10281
	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;
10282
	cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
10283 10284
	cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) +
			     bnx2x_cid_ilt_lines(bp);
10285
	cp->ctx_tbl_len = CNIC_ILT_LINES;
10286
	cp->starting_cid = bnx2x_cid_ilt_lines(bp) * ILT_PAGE_CIDS;
10287 10288 10289 10290
	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
10291 10292 10293
	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;
10294 10295
	cp->iscsi_l2_cid = BNX2X_ISCSI_ETH_CID;

10296 10297 10298 10299 10300 10301 10302 10303 10304
	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;

10305 10306 10307 10308 10309 10310
	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);
10311 10312 10313 10314 10315
	return cp;
}
EXPORT_SYMBOL(bnx2x_cnic_probe);

#endif /* BCM_CNIC */
10316