bnx2x_main.c 256.3 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 <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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static int num_queues;
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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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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#ifndef PCI_DEVICE_ID_NX2_57712
#define PCI_DEVICE_ID_NX2_57712		0x1662
#endif
#ifndef PCI_DEVICE_ID_NX2_57712E
#define PCI_DEVICE_ID_NX2_57712E	0x1663
#endif
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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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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]"

void bnx2x_dp_dmae(struct bnx2x *bp, struct dmae_command *dmae, int msglvl)
{
	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 */
504
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));

513 514
		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);
}
524

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u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode)
{
	return opcode & ~DMAE_CMD_SRC_RESET;
}
529

D
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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));
537

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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;
}

void bnx2x_prep_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae,
			       u8 src_type, u8 dst_type)
{
	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 */
int bnx2x_issue_dmae_with_comp(struct bnx2x *bp, struct dmae_command *dmae)
{
	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 */
582 583
	mutex_lock(&bp->dmae_mutex);

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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]);
611

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unlock:
613
	mutex_unlock(&bp->dmae_mutex);
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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
Eliezer Tamir 已提交
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
}

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

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

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

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

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

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

	REG_RD_DMAE(bp, reg, wb_data, 2);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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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

922
	for_each_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
Dmitry Kravkov 已提交
928 929
			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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			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
Vladislav Zolotarov 已提交
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
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			  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;
959 960 961 962 963 964 965 966 967 968 969 970 971 972 973

		/* host sb data */

		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 */
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		data_size = CHIP_IS_E2(bp) ?
			sizeof(struct hc_status_block_data_e2) :
976 977
			sizeof(struct hc_status_block_data_e1x);
		data_size /= sizeof(u32);
D
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		sb_data_p = CHIP_IS_E2(bp) ?
			(u32 *)&sb_data_e2 :
			(u32 *)&sb_data_e1x;
981 982 983 984 985 986
		/* 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));

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		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);
		}
1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024

		/* 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);
		}
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	}
E
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1027
#ifdef BNX2X_STOP_ON_ERROR
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	/* Rings */
	/* Rx */
1030
	for_each_queue(bp, i) {
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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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		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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		}

1043 1044
		start = RX_SGE(fp->rx_sge_prod);
		end = RX_SGE(fp->last_max_sge);
E
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1045
		for (j = start; j != end; j = RX_SGE(j + 1)) {
1046 1047 1048
			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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1049 1050
			BNX2X_ERR("fp%d: rx_sge[%x]=[%x:%x]  sw_page=[%p]\n",
				  i, j, rx_sge[1], rx_sge[0], sw_page->page);
1051 1052
		}

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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1055
		for (j = start; j != end; j = RCQ_BD(j + 1)) {
E
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1056 1057
			u32 *cqe = (u32 *)&fp->rx_comp_ring[j];

E
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1058 1059
			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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		}
	}

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	/* Tx */
1064
	for_each_queue(bp, i) {
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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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			BNX2X_ERR("fp%d: packet[%x]=[%p,%x]\n",
				  i, j, sw_bd->skb, sw_bd->first_bd);
E
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		}

		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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			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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		}
	}
1085
#endif
1086
	bnx2x_fw_dump(bp);
E
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	bnx2x_mc_assert(bp);
	BNX2X_ERR("end crash dump -----------------\n");
}

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static void bnx2x_hc_int_enable(struct bnx2x *bp)
E
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{
1093
	int port = BP_PORT(bp);
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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;
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	int msi = (bp->flags & USING_MSI_FLAG) ? 1 : 0;
E
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	if (msix) {
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		val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 |
			 HC_CONFIG_0_REG_INT_LINE_EN_0);
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		val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 |
			HC_CONFIG_0_REG_ATTN_BIT_EN_0);
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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 |
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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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		DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
		   val, port, addr);
E
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		REG_WR(bp, addr, val);

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		val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0;
	}

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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);
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	/*
	 * Ensure that HC_CONFIG is written before leading/trailing edge config
	 */
	mmiowb();
	barrier();
1132

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	if (!CHIP_IS_E1(bp)) {
1134
		/* init leading/trailing edge */
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		if (IS_MF(bp)) {
E
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			val = (0xee0f | (1 << (BP_E1HVN(bp) + 4)));
1137
			if (bp->port.pmf)
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				/* enable nig and gpio3 attention */
				val |= 0x1100;
1140 1141 1142 1143 1144 1145
		} 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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}

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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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{
1212
	int port = BP_PORT(bp);
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	u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0;
	u32 val = REG_RD(bp, addr);

	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);

	DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
	   val, port, addr);

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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");
}

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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");
}

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

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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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1263
	/* disable interrupt handling */
E
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	atomic_inc(&bp->intr_sem);
E
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1265 1266
	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;
1275 1276 1277
#ifdef BCM_CNIC
		offset++;
#endif
E
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		for_each_queue(bp, i)
E
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1279
			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 */
1284 1285
	cancel_delayed_work(&bp->sp_task);
	flush_workqueue(bnx2x_wq);
E
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}

1288
/* fast path */
E
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/*
1291
 * General service functions
E
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 */

1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308
/* 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);
1309
		return false;
1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327
	}

	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;
}

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1329 1330 1331
#ifdef BCM_CNIC
static void bnx2x_cnic_cfc_comp(struct bnx2x *bp, int cid);
#endif
1332

D
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void bnx2x_sp_event(struct bnx2x_fastpath *fp,
E
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			   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);

1340
	DP(BNX2X_MSG_SP,
E
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	   "fp %d  cid %d  got ramrod #%d  state is %x  type is %d\n",
1342
	   fp->index, cid, command, bp->state,
1343
	   rr_cqe->ramrod_cqe.ramrod_type);
E
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1345 1346 1347 1348
	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
1349 1350
		break;

1351 1352
	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
1353 1354 1355
		fp->state = BNX2X_FP_STATE_HALTED;
		break;

1356 1357 1358
	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
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1359 1360
		break;

1361 1362 1363 1364
	default:
		BNX2X_ERR("unexpected MC reply (%d)  "
			  "fp[%d] state is %x\n",
			  command, fp->index, fp->state);
1365
		break;
1366
	}
1367

1368 1369
	smp_mb__before_atomic_inc();
	atomic_inc(&bp->spq_left);
1370 1371
	/* push the change in fp->state and towards the memory */
	smp_wmb();
1372

1373
	return;
E
Eliezer Tamir 已提交
1374 1375
}

D
Dmitry Kravkov 已提交
1376
irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
E
Eliezer Tamir 已提交
1377
{
E
Eilon Greenstein 已提交
1378
	struct bnx2x *bp = netdev_priv(dev_instance);
E
Eliezer Tamir 已提交
1379
	u16 status = bnx2x_ack_int(bp);
1380
	u16 mask;
E
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1381
	int i;
E
Eliezer Tamir 已提交
1382

1383
	/* Return here if interrupt is shared and it's not for us */
E
Eliezer Tamir 已提交
1384 1385 1386 1387
	if (unlikely(status == 0)) {
		DP(NETIF_MSG_INTR, "not our interrupt!\n");
		return IRQ_NONE;
	}
E
Eilon Greenstein 已提交
1388
	DP(NETIF_MSG_INTR, "got an interrupt  status 0x%x\n", status);
E
Eliezer Tamir 已提交
1389

1390
	/* Return here if interrupt is disabled */
E
Eliezer Tamir 已提交
1391 1392 1393 1394 1395
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
		return IRQ_HANDLED;
	}

1396 1397 1398 1399 1400
#ifdef BNX2X_STOP_ON_ERROR
	if (unlikely(bp->panic))
		return IRQ_HANDLED;
#endif

D
Dmitry Kravkov 已提交
1401
	for_each_queue(bp, i) {
E
Eilon Greenstein 已提交
1402
		struct bnx2x_fastpath *fp = &bp->fp[i];
E
Eliezer Tamir 已提交
1403

1404
		mask = 0x2 << (fp->index + CNIC_CONTEXT_USE);
E
Eilon Greenstein 已提交
1405
		if (status & mask) {
1406 1407 1408
			/* Handle Rx and Tx according to SB id */
			prefetch(fp->rx_cons_sb);
			prefetch(fp->tx_cons_sb);
1409
			prefetch(&fp->sb_running_index[SM_RX_ID]);
1410
			napi_schedule(&bnx2x_fp(bp, fp->index, napi));
E
Eilon Greenstein 已提交
1411 1412
			status &= ~mask;
		}
E
Eliezer Tamir 已提交
1413 1414
	}

1415
#ifdef BCM_CNIC
1416
	mask = 0x2;
1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428
	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
1429

1430
	if (unlikely(status & 0x1)) {
1431
		queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
E
Eliezer Tamir 已提交
1432 1433 1434 1435 1436 1437

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

V
Vladislav Zolotarov 已提交
1438 1439
	if (unlikely(status))
		DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
1440
		   status);
E
Eliezer Tamir 已提交
1441

Y
Yaniv Rosner 已提交
1442
	return IRQ_HANDLED;
E
Eliezer Tamir 已提交
1443 1444
}

Y
Yaniv Rosner 已提交
1445
/* end of fast path */
E
Eliezer Tamir 已提交
1446 1447


Y
Yaniv Rosner 已提交
1448 1449 1450 1451 1452
/* Link */

/*
 * General service functions
 */
E
Eliezer Tamir 已提交
1453

D
Dmitry Kravkov 已提交
1454
int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource)
Y
Yaniv Rosner 已提交
1455 1456 1457
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
Y
Yitchak Gertner 已提交
1458 1459
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;
Y
Yaniv Rosner 已提交
1460
	int cnt;
E
Eliezer Tamir 已提交
1461

Y
Yaniv Rosner 已提交
1462 1463 1464 1465 1466 1467 1468
	/* 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
1469

Y
Yitchak Gertner 已提交
1470 1471 1472 1473 1474 1475 1476
	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
1477
	/* Validating that the resource is not already taken */
Y
Yitchak Gertner 已提交
1478
	lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1479 1480 1481 1482 1483
	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
1484

E
Eilon Greenstein 已提交
1485 1486
	/* Try for 5 second every 5ms */
	for (cnt = 0; cnt < 1000; cnt++) {
Y
Yaniv Rosner 已提交
1487
		/* Try to acquire the lock */
Y
Yitchak Gertner 已提交
1488 1489
		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
1490 1491
		if (lock_status & resource_bit)
			return 0;
E
Eliezer Tamir 已提交
1492

Y
Yaniv Rosner 已提交
1493
		msleep(5);
E
Eliezer Tamir 已提交
1494
	}
Y
Yaniv Rosner 已提交
1495 1496 1497
	DP(NETIF_MSG_HW, "Timeout\n");
	return -EAGAIN;
}
E
Eliezer Tamir 已提交
1498

D
Dmitry Kravkov 已提交
1499
int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource)
Y
Yaniv Rosner 已提交
1500 1501 1502
{
	u32 lock_status;
	u32 resource_bit = (1 << resource);
Y
Yitchak Gertner 已提交
1503 1504
	int func = BP_FUNC(bp);
	u32 hw_lock_control_reg;
E
Eliezer Tamir 已提交
1505

1506 1507
	DP(NETIF_MSG_HW, "Releasing a lock on resource %d\n", resource);

Y
Yaniv Rosner 已提交
1508 1509 1510 1511 1512 1513 1514 1515
	/* 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
1516 1517 1518 1519 1520 1521 1522
	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
1523
	/* Validating that the resource is currently taken */
Y
Yitchak Gertner 已提交
1524
	lock_status = REG_RD(bp, hw_lock_control_reg);
Y
Yaniv Rosner 已提交
1525 1526 1527 1528
	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
1529 1530
	}

D
Dmitry Kravkov 已提交
1531 1532
	REG_WR(bp, hw_lock_control_reg, resource_bit);
	return 0;
Y
Yaniv Rosner 已提交
1533
}
E
Eliezer Tamir 已提交
1534

D
Dmitry Kravkov 已提交
1535

E
Eilon Greenstein 已提交
1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565
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;
}

1566
int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port)
Y
Yaniv Rosner 已提交
1567 1568 1569
{
	/* The GPIO should be swapped if swap register is set and active */
	int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) &&
1570
			 REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port;
Y
Yaniv Rosner 已提交
1571 1572 1573 1574
	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
1575

Y
Yaniv Rosner 已提交
1576 1577 1578 1579
	if (gpio_num > MISC_REGISTERS_GPIO_3) {
		BNX2X_ERR("Invalid GPIO %d\n", gpio_num);
		return -EINVAL;
	}
E
Eliezer Tamir 已提交
1580

Y
Yitchak Gertner 已提交
1581
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
Y
Yaniv Rosner 已提交
1582 1583
	/* 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
1584

Y
Yaniv Rosner 已提交
1585 1586 1587 1588 1589 1590 1591 1592
	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
1593

Y
Yaniv Rosner 已提交
1594 1595 1596 1597 1598 1599 1600
	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
1601

1602
	case MISC_REGISTERS_GPIO_INPUT_HI_Z:
Y
Yaniv Rosner 已提交
1603 1604 1605 1606 1607
		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
1608

Y
Yaniv Rosner 已提交
1609 1610
	default:
		break;
E
Eliezer Tamir 已提交
1611 1612
	}

Y
Yaniv Rosner 已提交
1613
	REG_WR(bp, MISC_REG_GPIO, gpio_reg);
Y
Yitchak Gertner 已提交
1614
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO);
E
Eliezer Tamir 已提交
1615

Y
Yaniv Rosner 已提交
1616
	return 0;
E
Eliezer Tamir 已提交
1617 1618
}

E
Eilon Greenstein 已提交
1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 1664
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
1665
static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode)
E
Eliezer Tamir 已提交
1666
{
Y
Yaniv Rosner 已提交
1667 1668
	u32 spio_mask = (1 << spio_num);
	u32 spio_reg;
E
Eliezer Tamir 已提交
1669

Y
Yaniv Rosner 已提交
1670 1671 1672 1673
	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
1674 1675
	}

Y
Yitchak Gertner 已提交
1676
	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Y
Yaniv Rosner 已提交
1677 1678
	/* 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
1679

Y
Yaniv Rosner 已提交
1680
	switch (mode) {
E
Eilon Greenstein 已提交
1681
	case MISC_REGISTERS_SPIO_OUTPUT_LOW:
Y
Yaniv Rosner 已提交
1682 1683 1684 1685 1686
		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
1687

E
Eilon Greenstein 已提交
1688
	case MISC_REGISTERS_SPIO_OUTPUT_HIGH:
Y
Yaniv Rosner 已提交
1689 1690 1691 1692 1693
		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
1694

Y
Yaniv Rosner 已提交
1695 1696 1697 1698 1699
	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
1700

Y
Yaniv Rosner 已提交
1701 1702
	default:
		break;
E
Eliezer Tamir 已提交
1703 1704
	}

Y
Yaniv Rosner 已提交
1705
	REG_WR(bp, MISC_REG_SPIO, spio_reg);
Y
Yitchak Gertner 已提交
1706
	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO);
Y
Yaniv Rosner 已提交
1707

E
Eliezer Tamir 已提交
1708 1709 1710
	return 0;
}

Y
Yaniv Rosner 已提交
1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749
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
1750
void bnx2x_calc_fc_adv(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1751
{
Y
Yaniv Rosner 已提交
1752
	u8 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1753 1754
	switch (bp->link_vars.ieee_fc &
		MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK) {
Y
Yaniv Rosner 已提交
1755
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE:
Y
Yaniv Rosner 已提交
1756
		bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1757 1758
					  ADVERTISED_Pause);
		break;
E
Eilon Greenstein 已提交
1759

Y
Yaniv Rosner 已提交
1760
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH:
Y
Yaniv Rosner 已提交
1761
		bp->port.advertising[cfg_idx] |= (ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1762 1763
					 ADVERTISED_Pause);
		break;
E
Eilon Greenstein 已提交
1764

Y
Yaniv Rosner 已提交
1765
	case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC:
Y
Yaniv Rosner 已提交
1766
		bp->port.advertising[cfg_idx] |= ADVERTISED_Asym_Pause;
Y
Yaniv Rosner 已提交
1767
		break;
E
Eilon Greenstein 已提交
1768

Y
Yaniv Rosner 已提交
1769
	default:
Y
Yaniv Rosner 已提交
1770
		bp->port.advertising[cfg_idx] &= ~(ADVERTISED_Asym_Pause |
Y
Yaniv Rosner 已提交
1771 1772 1773 1774
					  ADVERTISED_Pause);
		break;
	}
}
E
Eliezer Tamir 已提交
1775

Y
Yaniv Rosner 已提交
1776

D
Dmitry Kravkov 已提交
1777
u8 bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
Y
Yaniv Rosner 已提交
1778
{
1779 1780
	if (!BP_NOMCP(bp)) {
		u8 rc;
Y
Yaniv Rosner 已提交
1781 1782
		int cfx_idx = bnx2x_get_link_cfg_idx(bp);
		u16 req_line_speed = bp->link_params.req_line_speed[cfx_idx];
1783
		/* Initialize link parameters structure variables */
Y
Yaniv Rosner 已提交
1784 1785
		/* It is recommended to turn off RX FC for jumbo frames
		   for better performance */
D
Dmitry Kravkov 已提交
1786
		if ((CHIP_IS_E1x(bp)) && (bp->dev->mtu > 5000))
1787
			bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX;
Y
Yaniv Rosner 已提交
1788
		else
1789
			bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
E
Eliezer Tamir 已提交
1790

Y
Yitchak Gertner 已提交
1791
		bnx2x_acquire_phy_lock(bp);
E
Eilon Greenstein 已提交
1792

Y
Yaniv Rosner 已提交
1793
		if (load_mode == LOAD_DIAG) {
Y
Yaniv Rosner 已提交
1794
			bp->link_params.loopback_mode = LOOPBACK_XGXS;
Y
Yaniv Rosner 已提交
1795 1796
			bp->link_params.req_line_speed[cfx_idx] = SPEED_10000;
		}
E
Eilon Greenstein 已提交
1797

1798
		rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars);
E
Eilon Greenstein 已提交
1799

Y
Yitchak Gertner 已提交
1800
		bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
1801

1802 1803
		bnx2x_calc_fc_adv(bp);

E
Eilon Greenstein 已提交
1804 1805
		if (CHIP_REV_IS_SLOW(bp) && bp->link_vars.link_up) {
			bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
1806
			bnx2x_link_report(bp);
E
Eilon Greenstein 已提交
1807
		}
Y
Yaniv Rosner 已提交
1808
		bp->link_params.req_line_speed[cfx_idx] = req_line_speed;
1809 1810
		return rc;
	}
E
Eilon Greenstein 已提交
1811
	BNX2X_ERR("Bootcode is missing - can not initialize link\n");
1812
	return -EINVAL;
E
Eliezer Tamir 已提交
1813 1814
}

D
Dmitry Kravkov 已提交
1815
void bnx2x_link_set(struct bnx2x *bp)
E
Eliezer Tamir 已提交
1816
{
1817
	if (!BP_NOMCP(bp)) {
Y
Yitchak Gertner 已提交
1818
		bnx2x_acquire_phy_lock(bp);
1819
		bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
1820
		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
Y
Yitchak Gertner 已提交
1821
		bnx2x_release_phy_lock(bp);
E
Eliezer Tamir 已提交
1822

1823 1824
		bnx2x_calc_fc_adv(bp);
	} else
E
Eilon Greenstein 已提交
1825
		BNX2X_ERR("Bootcode is missing - can not set link\n");
Y
Yaniv Rosner 已提交
1826
}
E
Eliezer Tamir 已提交
1827

Y
Yaniv Rosner 已提交
1828 1829
static void bnx2x__link_reset(struct bnx2x *bp)
{
1830
	if (!BP_NOMCP(bp)) {
Y
Yitchak Gertner 已提交
1831
		bnx2x_acquire_phy_lock(bp);
E
Eilon Greenstein 已提交
1832
		bnx2x_link_reset(&bp->link_params, &bp->link_vars, 1);
Y
Yitchak Gertner 已提交
1833
		bnx2x_release_phy_lock(bp);
1834
	} else
E
Eilon Greenstein 已提交
1835
		BNX2X_ERR("Bootcode is missing - can not reset link\n");
Y
Yaniv Rosner 已提交
1836
}
E
Eliezer Tamir 已提交
1837

Y
Yaniv Rosner 已提交
1838
u8 bnx2x_link_test(struct bnx2x *bp, u8 is_serdes)
Y
Yaniv Rosner 已提交
1839
{
1840
	u8 rc = 0;
E
Eliezer Tamir 已提交
1841

1842 1843
	if (!BP_NOMCP(bp)) {
		bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
1844 1845
		rc = bnx2x_test_link(&bp->link_params, &bp->link_vars,
				     is_serdes);
1846 1847 1848
		bnx2x_release_phy_lock(bp);
	} else
		BNX2X_ERR("Bootcode is missing - can not test link\n");
E
Eliezer Tamir 已提交
1849

Y
Yaniv Rosner 已提交
1850 1851
	return rc;
}
E
Eliezer Tamir 已提交
1852

E
Eilon Greenstein 已提交
1853
static void bnx2x_init_port_minmax(struct bnx2x *bp)
1854
{
E
Eilon Greenstein 已提交
1855 1856 1857
	u32 r_param = bp->link_vars.line_speed / 8;
	u32 fair_periodic_timeout_usec;
	u32 t_fair;
1858

E
Eilon Greenstein 已提交
1859 1860 1861
	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));
1862

E
Eilon Greenstein 已提交
1863 1864
	/* 100 usec in SDM ticks = 25 since each tick is 4 usec */
	bp->cmng.rs_vars.rs_periodic_timeout = RS_PERIODIC_TIMEOUT_USEC / 4;
1865

E
Eilon Greenstein 已提交
1866 1867 1868 1869
	/* 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 =
1870 1871
				(RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4;

E
Eilon Greenstein 已提交
1872 1873 1874 1875
	/* 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;
1876

E
Eilon Greenstein 已提交
1877 1878
	/* this is the threshold below which we won't arm the timer anymore */
	bp->cmng.fair_vars.fair_threshold = QM_ARB_BYTES;
1879

E
Eilon Greenstein 已提交
1880 1881 1882 1883 1884 1885
	/* 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;
1886 1887
}

1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903
/* 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
1904
		u32 vn_cfg = bp->mf_config[vn];
1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921
		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 */
1922 1923 1924 1925 1926 1927 1928 1929
	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;
1930 1931
}

D
Dmitry Kravkov 已提交
1932
static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn)
1933 1934 1935
{
	struct rate_shaping_vars_per_vn m_rs_vn;
	struct fairness_vars_per_vn m_fair_vn;
D
Dmitry Kravkov 已提交
1936 1937
	u32 vn_cfg = bp->mf_config[vn];
	int func = 2*vn + BP_PORT(bp);
1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948
	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 {
		vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >>
				FUNC_MF_CFG_MIN_BW_SHIFT) * 100;
1949
		/* If min rate is zero - set it to 1 */
D
Dmitry Kravkov 已提交
1950
		if (bp->vn_weight_sum && (vn_min_rate == 0))
1951 1952 1953 1954
			vn_min_rate = DEF_MIN_RATE;
		vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >>
				FUNC_MF_CFG_MAX_BW_SHIFT) * 100;
	}
E
Eilon Greenstein 已提交
1955
	DP(NETIF_MSG_IFUP,
1956
	   "func %d: vn_min_rate %d  vn_max_rate %d  vn_weight_sum %d\n",
E
Eilon Greenstein 已提交
1957
	   func, vn_min_rate, vn_max_rate, bp->vn_weight_sum);
1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968

	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
1969
	if (bp->vn_weight_sum) {
1970 1971
		/* 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
1972 1973 1974
		   vn_weight_sum should not be larger than 10000, thus
		   T_FAIR_COEF / (8 * vn_weight_sum) will always be greater
		   than zero */
1975
		m_fair_vn.vn_credit_delta =
V
Vladislav Zolotarov 已提交
1976 1977 1978 1979
			max_t(u32, (vn_min_rate * (T_FAIR_COEF /
						   (8 * bp->vn_weight_sum))),
			      (bp->cmng.fair_vars.fair_threshold * 2));
		DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta %d\n",
1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993
		   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]);
}
1994 1995 1996 1997
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
1998
	if (IS_MF(bp))
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
		return CMNG_FNS_MINMAX;

	return CMNG_FNS_NONE;
}

static void bnx2x_read_mf_cfg(struct bnx2x *bp)
{
	int vn;

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

	for (vn = VN_0; vn < E1HVN_MAX; vn++) {
		int /*abs*/func = 2*vn + BP_PORT(bp);
D
Dmitry Kravkov 已提交
2013
		bp->mf_config[vn] =
2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053
			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 */
		for (vn = VN_0; vn < E1HVN_MAX; vn++)
			bnx2x_init_vn_minmax(bp, vn);

		/* 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");
}
2054

2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070
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
2071

Y
Yaniv Rosner 已提交
2072 2073 2074
/* This function is called upon link interrupt */
static void bnx2x_link_attn(struct bnx2x *bp)
{
2075
	u32 prev_link_status = bp->link_vars.link_status;
Y
Yitchak Gertner 已提交
2076 2077 2078
	/* Make sure that we are synced with the current statistics */
	bnx2x_stats_handle(bp, STATS_EVENT_STOP);

Y
Yaniv Rosner 已提交
2079
	bnx2x_link_update(&bp->link_params, &bp->link_vars);
E
Eliezer Tamir 已提交
2080

Y
Yitchak Gertner 已提交
2081 2082
	if (bp->link_vars.link_up) {

2083
		/* dropless flow control */
D
Dmitry Kravkov 已提交
2084
		if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
2085 2086 2087 2088 2089 2090 2091
			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
2092
			       USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
2093 2094 2095
			       pause_enabled);
		}

Y
Yitchak Gertner 已提交
2096 2097 2098 2099 2100 2101 2102 2103
		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));
		}
2104
		if (bp->state == BNX2X_STATE_OPEN)
Y
Yitchak Gertner 已提交
2105 2106 2107
			bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	}

2108 2109 2110
	/* indicate link status only if link status actually changed */
	if (prev_link_status != bp->link_vars.link_status)
		bnx2x_link_report(bp);
2111

D
Dmitry Kravkov 已提交
2112 2113
	if (IS_MF(bp))
		bnx2x_link_sync_notify(bp);
2114

D
Dmitry Kravkov 已提交
2115 2116
	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
2117

D
Dmitry Kravkov 已提交
2118 2119 2120 2121 2122 2123 2124
		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");
2125
	}
Y
Yaniv Rosner 已提交
2126
}
E
Eliezer Tamir 已提交
2127

D
Dmitry Kravkov 已提交
2128
void bnx2x__link_status_update(struct bnx2x *bp)
Y
Yaniv Rosner 已提交
2129
{
2130
	if ((bp->state != BNX2X_STATE_OPEN) || (bp->flags & MF_FUNC_DIS))
Y
Yaniv Rosner 已提交
2131
		return;
E
Eliezer Tamir 已提交
2132

Y
Yaniv Rosner 已提交
2133
	bnx2x_link_status_update(&bp->link_params, &bp->link_vars);
E
Eliezer Tamir 已提交
2134

Y
Yitchak Gertner 已提交
2135 2136 2137 2138 2139
	if (bp->link_vars.link_up)
		bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP);
	else
		bnx2x_stats_handle(bp, STATS_EVENT_STOP);

D
Dmitry Kravkov 已提交
2140 2141 2142
	/* the link status update could be the result of a DCC event
	   hence re-read the shmem mf configuration */
	bnx2x_read_mf_cfg(bp);
2143

Y
Yaniv Rosner 已提交
2144 2145
	/* indicate link status */
	bnx2x_link_report(bp);
E
Eliezer Tamir 已提交
2146 2147
}

2148 2149 2150 2151 2152 2153 2154 2155 2156 2157
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)));
D
Dmitry Kravkov 已提交
2158 2159 2160 2161 2162 2163 2164
	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
2165 2166

	bnx2x_stats_handle(bp, STATS_EVENT_PMF);
2167 2168
}

Y
Yaniv Rosner 已提交
2169
/* end of Link */
E
Eliezer Tamir 已提交
2170 2171 2172 2173 2174 2175 2176

/* slow path */

/*
 * General service functions
 */

2177
/* send the MCP a request, block until there is a reply */
Y
Yaniv Rosner 已提交
2178
u32 bnx2x_fw_command(struct bnx2x *bp, u32 command, u32 param)
2179
{
D
Dmitry Kravkov 已提交
2180
	int mb_idx = BP_FW_MB_IDX(bp);
2181 2182 2183 2184 2185
	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
2186
	mutex_lock(&bp->fw_mb_mutex);
D
Dmitry Kravkov 已提交
2187 2188 2189
	SHMEM_WR(bp, func_mb[mb_idx].drv_mb_param, param);
	SHMEM_WR(bp, func_mb[mb_idx].drv_mb_header, (command | seq));

2190 2191 2192 2193 2194 2195
	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
2196
		rc = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_header);
2197

E
Eilon Greenstein 已提交
2198 2199
		/* Give the FW up to 5 second (500*10ms) */
	} while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 500));
2200 2201 2202 2203 2204 2205 2206 2207 2208 2209 2210 2211 2212

	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
2213
	mutex_unlock(&bp->fw_mb_mutex);
2214 2215 2216 2217

	return rc;
}

2218 2219
/* must be called under rtnl_lock */
void bnx2x_rxq_set_mac_filters(struct bnx2x *bp, u16 cl_id, u32 filters)
2220
{
2221
	u32 mask = (1 << cl_id);
2222

2223 2224 2225 2226
	/* 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;
2227

2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240 2241 2242 2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255
	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;
	}
	if (filters & BNX2X_ACCEPT_UNICAST) {
		/* accept matched ucast */
		drop_all_ucast = 0;
	}
	if (filters & BNX2X_ACCEPT_MULTICAST) {
		/* accept matched mcast */
		drop_all_mcast = 0;
	}
	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;
	}
2256

2257 2258 2259
	bp->mac_filters.ucast_drop_all = drop_all_ucast ?
		bp->mac_filters.ucast_drop_all | mask :
		bp->mac_filters.ucast_drop_all & ~mask;
2260

2261 2262 2263
	bp->mac_filters.mcast_drop_all = drop_all_mcast ?
		bp->mac_filters.mcast_drop_all | mask :
		bp->mac_filters.mcast_drop_all & ~mask;
2264

2265 2266 2267
	bp->mac_filters.bcast_drop_all = drop_all_bcast ?
		bp->mac_filters.bcast_drop_all | mask :
		bp->mac_filters.bcast_drop_all & ~mask;
2268

2269 2270 2271
	bp->mac_filters.ucast_accept_all = accp_all_ucast ?
		bp->mac_filters.ucast_accept_all | mask :
		bp->mac_filters.ucast_accept_all & ~mask;
2272

2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283
	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;
2284 2285
}

2286
void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p)
2287
{
2288 2289
	if (FUNC_CONFIG(p->func_flgs)) {
		struct tstorm_eth_function_common_config tcfg = {0};
2290

2291 2292 2293 2294
		/* tpa */
		if (p->func_flgs & FUNC_FLG_TPA)
			tcfg.config_flags |=
			TSTORM_ETH_FUNCTION_COMMON_CONFIG_ENABLE_TPA;
2295

2296 2297 2298 2299
		/* set rss flags */
		if (p->func_flgs & FUNC_FLG_RSS) {
			u16 rss_flgs = (p->rss->mode <<
			TSTORM_ETH_FUNCTION_COMMON_CONFIG_RSS_MODE_SHIFT);
2300

2301 2302 2303 2304 2305 2306 2307 2308
			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;
2309

2310 2311
			tcfg.config_flags |= rss_flgs;
			tcfg.rss_result_mask = p->rss->result_mask;
2312 2313 2314

		}

2315
		storm_memset_func_cfg(bp, &tcfg, p->func_id);
2316 2317
	}

2318 2319 2320
	/* 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);
2321

2322 2323 2324 2325
	/* statistics */
	if (p->func_flgs & FUNC_FLG_STATS) {
		struct stats_indication_flags stats_flags = {0};
		stats_flags.collect_eth = 1;
2326

2327 2328
		storm_memset_xstats_flags(bp, &stats_flags, p->func_id);
		storm_memset_xstats_addr(bp, p->fw_stat_map, p->func_id);
2329

2330 2331
		storm_memset_tstats_flags(bp, &stats_flags, p->func_id);
		storm_memset_tstats_addr(bp, p->fw_stat_map, p->func_id);
2332

2333 2334
		storm_memset_ustats_flags(bp, &stats_flags, p->func_id);
		storm_memset_ustats_addr(bp, p->fw_stat_map, p->func_id);
2335

2336 2337
		storm_memset_cstats_flags(bp, &stats_flags, p->func_id);
		storm_memset_cstats_addr(bp, p->fw_stat_map, p->func_id);
2338 2339
	}

2340 2341 2342 2343 2344 2345
	/* 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);
	}
2346 2347
}

2348 2349
static inline u16 bnx2x_get_cl_flags(struct bnx2x *bp,
				     struct bnx2x_fastpath *fp)
M
Michael Chan 已提交
2350
{
2351
	u16 flags = 0;
M
Michael Chan 已提交
2352

2353 2354 2355
	/* calculate queue flags */
	flags |= QUEUE_FLG_CACHE_ALIGN;
	flags |= QUEUE_FLG_HC;
D
Dmitry Kravkov 已提交
2356
	flags |= IS_MF(bp) ? QUEUE_FLG_OV : 0;
M
Michael Chan 已提交
2357

2358 2359 2360 2361 2362 2363 2364 2365 2366 2367 2368 2369 2370 2371 2372 2373 2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 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
#ifdef BCM_VLAN
	flags |= QUEUE_FLG_VLAN;
	DP(NETIF_MSG_IFUP, "vlan removal enabled\n");
#endif

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

	flags |= QUEUE_FLG_STATS;

	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;
	rxq_init->mtu = bp->dev->mtu;
	rxq_init->buf_sz = bp->rx_buf_size;
	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;

	rxq_init->sb_cq_index = U_SB_ETH_RX_CQ_INDEX;

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

void bnx2x_pf_init(struct bnx2x *bp)
{
	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
2458
		storm_memset_ov(bp, bp->mf_ov, BP_FUNC(bp));
2459

D
Dmitry Kravkov 已提交
2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474
	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);
	}

2475 2476 2477
	/* function setup flags */
	flags = (FUNC_FLG_STATS | FUNC_FLG_LEADING | FUNC_FLG_SPQ);

D
Dmitry Kravkov 已提交
2478 2479 2480 2481
	if (CHIP_IS_E1x(bp))
		flags |= (bp->flags & TPA_ENABLE_FLAG) ? FUNC_FLG_TPA : 0;
	else
		flags |= FUNC_FLG_TPA;
2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574

	/**
	 * Although RSS is meaningless when there is a single HW queue we
	 * still need it enabled in order to have HW Rx hash generated.
	 *
	 * if (is_eth_multi(bp))
	 *	flags |= FUNC_FLG_RSS;
	 */

	/* function setup */
	if (flags & FUNC_FLG_RSS) {
		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;
	}

	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
	 */
}

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
2575
		if (bp->mf_config[BP_VN(bp)] & FUNC_MF_CFG_FUNC_DISABLED) {
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
			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) {

		bnx2x_cmng_fns_init(bp, true, CMNG_FNS_MINMAX);
		bnx2x_link_sync_notify(bp);
		storm_memset_cmng(bp, &bp->cmng, BP_PORT(bp));
		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
2620 2621 2622 2623 2624 2625 2626
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();

2627
	REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func),
M
Michael Chan 已提交
2628 2629 2630 2631
	       bp->spq_prod_idx);
	mmiowb();
}

E
Eliezer Tamir 已提交
2632
/* the slow path queue is odd since completions arrive on the fastpath ring */
D
Dmitry Kravkov 已提交
2633
int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
E
Eliezer Tamir 已提交
2634 2635
			 u32 data_hi, u32 data_lo, int common)
{
M
Michael Chan 已提交
2636
	struct eth_spe *spe;
2637
	u16 type;
E
Eliezer Tamir 已提交
2638 2639 2640 2641 2642 2643

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

2644
	spin_lock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2645

2646
	if (!atomic_read(&bp->spq_left)) {
E
Eliezer Tamir 已提交
2647
		BNX2X_ERR("BUG! SPQ ring full!\n");
2648
		spin_unlock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2649 2650 2651
		bnx2x_panic();
		return -EBUSY;
	}
E
Eliezer Tamir 已提交
2652

M
Michael Chan 已提交
2653 2654
	spe = bnx2x_sp_get_next(bp);

E
Eliezer Tamir 已提交
2655
	/* CID needs port number to be encoded int it */
M
Michael Chan 已提交
2656
	spe->hdr.conn_and_cmd_data =
V
Vladislav Zolotarov 已提交
2657 2658
			cpu_to_le32((command << SPE_HDR_CMD_ID_SHIFT) |
				    HW_CID(bp, cid));
2659

E
Eliezer Tamir 已提交
2660
	if (common)
2661 2662 2663 2664 2665 2666 2667 2668 2669 2670
		/* 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
2671

2672 2673
	type |= ((BP_FUNC(bp) << SPE_HDR_FUNCTION_ID_SHIFT) &
		 SPE_HDR_FUNCTION_ID);
E
Eliezer Tamir 已提交
2674

2675 2676 2677 2678 2679 2680 2681 2682 2683 2684 2685
	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 */
	if (command != RAMROD_CMD_ID_COMMON_STAT_QUERY)
		/* 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.
		 */
2686
		atomic_dec(&bp->spq_left);
E
Eliezer Tamir 已提交
2687

V
Vladislav Zolotarov 已提交
2688
	DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/,
2689 2690
	   "SPQE[%x] (%x:%x)  command %d  hw_cid %x  data (%x:%x) "
	   "type(0x%x) left %x\n",
V
Vladislav Zolotarov 已提交
2691 2692 2693
	   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,
2694
	   HW_CID(bp, cid), data_hi, data_lo, type, atomic_read(&bp->spq_left));
V
Vladislav Zolotarov 已提交
2695

M
Michael Chan 已提交
2696
	bnx2x_sp_prod_update(bp);
2697
	spin_unlock_bh(&bp->spq_lock);
E
Eliezer Tamir 已提交
2698 2699 2700 2701
	return 0;
}

/* acquire split MCP access lock register */
Y
Yitchak Gertner 已提交
2702
static int bnx2x_acquire_alr(struct bnx2x *bp)
E
Eliezer Tamir 已提交
2703
{
2704
	u32 j, val;
2705
	int rc = 0;
E
Eliezer Tamir 已提交
2706 2707

	might_sleep();
2708
	for (j = 0; j < 1000; j++) {
E
Eliezer Tamir 已提交
2709 2710 2711 2712 2713 2714 2715 2716 2717
		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))) {
2718
		BNX2X_ERR("Cannot acquire MCP access lock register\n");
E
Eliezer Tamir 已提交
2719 2720 2721 2722 2723 2724
		rc = -EBUSY;
	}

	return rc;
}

Y
Yitchak Gertner 已提交
2725 2726
/* release split MCP access lock register */
static void bnx2x_release_alr(struct bnx2x *bp)
E
Eliezer Tamir 已提交
2727
{
2728
	REG_WR(bp, GRCBASE_MCP + 0x9c, 0);
E
Eliezer Tamir 已提交
2729 2730
}

2731 2732 2733
#define BNX2X_DEF_SB_ATT_IDX	0x0001
#define BNX2X_DEF_SB_IDX	0x0002

E
Eliezer Tamir 已提交
2734 2735
static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
{
2736
	struct host_sp_status_block *def_sb = bp->def_status_blk;
E
Eliezer Tamir 已提交
2737 2738 2739 2740 2741
	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;
2742
		rc |= BNX2X_DEF_SB_ATT_IDX;
E
Eliezer Tamir 已提交
2743
	}
2744 2745 2746 2747

	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
2748
	}
2749 2750 2751

	/* Do not reorder: indecies reading should complete before handling */
	barrier();
E
Eliezer Tamir 已提交
2752 2753 2754 2755 2756 2757 2758 2759 2760
	return rc;
}

/*
 * slow path service functions
 */

static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted)
{
2761
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
2762 2763
	u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			      MISC_REG_AEU_MASK_ATTN_FUNC_0;
2764 2765
	u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 :
				       NIG_REG_MASK_INTERRUPT_PORT0;
E
Eilon Greenstein 已提交
2766
	u32 aeu_mask;
2767
	u32 nig_mask = 0;
D
Dmitry Kravkov 已提交
2768
	u32 reg_addr;
E
Eliezer Tamir 已提交
2769 2770 2771 2772

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

E
Eilon Greenstein 已提交
2773 2774 2775
	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
2776
	DP(NETIF_MSG_HW, "aeu_mask %x  newly asserted %x\n",
E
Eilon Greenstein 已提交
2777
	   aeu_mask, asserted);
2778
	aeu_mask &= ~(asserted & 0x3ff);
E
Eilon Greenstein 已提交
2779
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
E
Eliezer Tamir 已提交
2780

E
Eilon Greenstein 已提交
2781 2782
	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
2783

E
Eilon Greenstein 已提交
2784
	DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state);
E
Eliezer Tamir 已提交
2785
	bp->attn_state |= asserted;
E
Eilon Greenstein 已提交
2786
	DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state);
E
Eliezer Tamir 已提交
2787 2788 2789 2790

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

2791 2792
			bnx2x_acquire_phy_lock(bp);

2793
			/* save nig interrupt mask */
2794
			nig_mask = REG_RD(bp, nig_int_mask_addr);
2795
			REG_WR(bp, nig_int_mask_addr, 0);
E
Eliezer Tamir 已提交
2796

Y
Yaniv Rosner 已提交
2797
			bnx2x_link_attn(bp);
E
Eliezer Tamir 已提交
2798 2799 2800 2801 2802 2803 2804 2805 2806 2807 2808 2809 2810 2811 2812 2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 2836 2837 2838 2839 2840 2841 2842

			/* 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
2843 2844 2845 2846 2847 2848 2849 2850 2851
	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
2852 2853

	/* now set back the mask */
2854
	if (asserted & ATTN_NIG_FOR_FUNC) {
2855
		REG_WR(bp, nig_int_mask_addr, nig_mask);
2856 2857
		bnx2x_release_phy_lock(bp);
	}
E
Eliezer Tamir 已提交
2858 2859
}

E
Eilon Greenstein 已提交
2860 2861 2862
static inline void bnx2x_fan_failure(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
Y
Yaniv Rosner 已提交
2863
	u32 ext_phy_config;
E
Eilon Greenstein 已提交
2864
	/* mark the failure */
Y
Yaniv Rosner 已提交
2865 2866 2867 2868 2869 2870
	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
2871
	SHMEM_WR(bp, dev_info.port_hw_config[port].external_phy_config,
Y
Yaniv Rosner 已提交
2872
		 ext_phy_config);
E
Eilon Greenstein 已提交
2873 2874

	/* log the failure */
V
Vladislav Zolotarov 已提交
2875 2876 2877
	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
2878
}
2879

2880
static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn)
E
Eliezer Tamir 已提交
2881
{
2882
	int port = BP_PORT(bp);
2883
	int reg_offset;
2884
	u32 val;
2885

2886 2887
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
2888

2889
	if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) {
2890 2891 2892 2893 2894 2895 2896

		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
2897
		/* Fan failure attention */
2898
		bnx2x_hw_reset_phy(&bp->link_params);
E
Eilon Greenstein 已提交
2899
		bnx2x_fan_failure(bp);
2900
	}
2901

E
Eilon Greenstein 已提交
2902 2903 2904 2905 2906 2907 2908
	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);
	}

2909 2910 2911 2912 2913 2914 2915
	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",
2916
			  (u32)(attn & HW_INTERRUT_ASSERT_SET_0));
2917 2918
		bnx2x_panic();
	}
2919 2920 2921 2922 2923 2924
}

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

2925
	if (attn & AEU_INPUTS_ATTN_BITS_DOORBELLQ_HW_INTERRUPT) {
2926 2927 2928 2929 2930 2931 2932

		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");
	}
2933 2934 2935 2936 2937 2938 2939 2940 2941 2942 2943 2944 2945 2946

	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",
2947
			  (u32)(attn & HW_INTERRUT_ASSERT_SET_1));
2948 2949
		bnx2x_panic();
	}
2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971
}

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
2972 2973 2974 2975
		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);
		}
2976
	}
2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990

	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",
2991
			  (u32)(attn & HW_INTERRUT_ASSERT_SET_2));
2992 2993
		bnx2x_panic();
	}
2994 2995 2996 2997
}

static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn)
{
2998 2999
	u32 val;

3000 3001
	if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) {

3002 3003 3004 3005
		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
3006 3007 3008 3009
			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);
3010 3011 3012
			if (val & DRV_STATUS_DCC_EVENT_MASK)
				bnx2x_dcc_event(bp,
					    (val & DRV_STATUS_DCC_EVENT_MASK));
3013
			bnx2x__link_status_update(bp);
3014
			if ((bp->port.pmf == 0) && (val & DRV_STATUS_PMF))
3015 3016 3017
				bnx2x_pmf_update(bp);

		} else if (attn & BNX2X_MC_ASSERT_BITS) {
3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029

			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);
3030
			bnx2x_fw_dump(bp);
3031 3032 3033 3034 3035 3036

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

	if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) {
3037 3038
		BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn);
		if (attn & BNX2X_GRC_TIMEOUT) {
D
Dmitry Kravkov 已提交
3039 3040
			val = CHIP_IS_E1(bp) ? 0 :
					REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN);
3041 3042 3043
			BNX2X_ERR("GRC time-out 0x%08x\n", val);
		}
		if (attn & BNX2X_GRC_RSV) {
D
Dmitry Kravkov 已提交
3044 3045
			val = CHIP_IS_E1(bp) ? 0 :
					REG_RD(bp, MISC_REG_GRC_RSV_ATTN);
3046 3047
			BNX2X_ERR("GRC reserved 0x%08x\n", val);
		}
3048 3049 3050 3051
		REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff);
	}
}

3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084
#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
#define CHIP_PARITY_SUPPORTED(bp)   (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp))
/*
 * 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
3085
bool bnx2x_reset_is_done(struct bnx2x *bp)
3086 3087 3088 3089 3090 3091 3092 3093 3094
{
	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
3095
inline void bnx2x_inc_load_cnt(struct bnx2x *bp)
3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109
{
	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
3110
u32 bnx2x_dec_load_cnt(struct bnx2x *bp)
3111 3112 3113 3114 3115 3116 3117 3118 3119 3120 3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167 3168 3169 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 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208 3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 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
{
	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
3328
bool bnx2x_chk_parity_attn(struct bnx2x *bp)
3329
{
E
Eliezer Tamir 已提交
3330
	struct attn_route attn;
3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349
	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
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

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)));
	}

}

3418 3419 3420
static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted)
{
	struct attn_route attn, *group_mask;
3421
	int port = BP_PORT(bp);
3422
	int index;
E
Eliezer Tamir 已提交
3423 3424
	u32 reg_addr;
	u32 val;
E
Eilon Greenstein 已提交
3425
	u32 aeu_mask;
E
Eliezer Tamir 已提交
3426 3427 3428

	/* need to take HW lock because MCP or other port might also
	   try to handle this event */
Y
Yitchak Gertner 已提交
3429
	bnx2x_acquire_alr(bp);
E
Eliezer Tamir 已提交
3430

3431 3432 3433 3434 3435 3436 3437 3438 3439 3440 3441 3442 3443
	if (bnx2x_chk_parity_attn(bp)) {
		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
3444 3445 3446 3447
	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
3448 3449 3450 3451 3452 3453 3454 3455
	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
3456 3457 3458

	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
		if (deasserted & (1 << index)) {
3459
			group_mask = &bp->attn_group[index];
E
Eliezer Tamir 已提交
3460

D
Dmitry Kravkov 已提交
3461 3462 3463 3464 3465 3466
			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
3467

D
Dmitry Kravkov 已提交
3468 3469
			bnx2x_attn_int_deasserted4(bp,
					attn.sig[4] & group_mask->sig[4]);
3470
			bnx2x_attn_int_deasserted3(bp,
3471
					attn.sig[3] & group_mask->sig[3]);
3472
			bnx2x_attn_int_deasserted1(bp,
3473
					attn.sig[1] & group_mask->sig[1]);
3474
			bnx2x_attn_int_deasserted2(bp,
3475
					attn.sig[2] & group_mask->sig[2]);
3476
			bnx2x_attn_int_deasserted0(bp,
3477
					attn.sig[0] & group_mask->sig[0]);
E
Eliezer Tamir 已提交
3478 3479 3480
		}
	}

Y
Yitchak Gertner 已提交
3481
	bnx2x_release_alr(bp);
E
Eliezer Tamir 已提交
3482

D
Dmitry Kravkov 已提交
3483 3484 3485 3486 3487
	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
3488 3489

	val = ~deasserted;
D
Dmitry Kravkov 已提交
3490 3491
	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);
3492
	REG_WR(bp, reg_addr, val);
E
Eliezer Tamir 已提交
3493 3494

	if (~bp->attn_state & deasserted)
E
Eilon Greenstein 已提交
3495
		BNX2X_ERR("IGU ERROR\n");
E
Eliezer Tamir 已提交
3496 3497 3498 3499

	reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 :
			  MISC_REG_AEU_MASK_ATTN_FUNC_0;

E
Eilon Greenstein 已提交
3500 3501 3502 3503 3504
	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);
3505
	aeu_mask |= (deasserted & 0x3ff);
E
Eilon Greenstein 已提交
3506
	DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask);
E
Eliezer Tamir 已提交
3507

E
Eilon Greenstein 已提交
3508 3509
	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
3510 3511 3512 3513 3514 3515 3516 3517 3518

	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
3519 3520 3521 3522
	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
3523 3524 3525 3526 3527 3528 3529 3530 3531 3532 3533
	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))
3534
		BNX2X_ERR("BAD attention state\n");
E
Eliezer Tamir 已提交
3535 3536 3537 3538 3539 3540 3541 3542 3543

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

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

3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566 3567 3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592 3593 3594 3595 3596
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++;

	/* This function may never run in parralel with itself for a
	 * specific bp, thus there is no need in "paired" read memory
	 * barrier here.
	 */
	sw_cons = bp->eq_cons;
	sw_prod = bp->eq_prod;

	DP(BNX2X_MSG_SP, "EQ:  hw_cons %u  sw_cons %u bp->spq_left %u\n",
3597
			hw_cons, sw_cons, atomic_read(&bp->spq_left));
3598 3599 3600 3601 3602 3603 3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627 3628 3629 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 3640 3641 3642 3643 3644 3645 3646 3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666

	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;
#endif
			bnx2x_fp(bp, cid, state) =
						BNX2X_FP_STATE_CLOSED;

			goto next_spqe;
		}

		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");
			bp->set_mac_pending = 0;
			break;

		case (EVENT_RING_OPCODE_SET_MAC |
		      BNX2X_STATE_CLOSING_WAIT4_HALT):
			DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n");
			bp->set_mac_pending = 0;
			break;
		default:
			/* unknown event log error and continue */
			BNX2X_ERR("Unknown EQ event %d\n",
				  elem->message.opcode);
		}
next_spqe:
		spqe_cnt++;
	} /* for */

3667 3668
	smp_mb__before_atomic_inc();
	atomic_add(spqe_cnt, &bp->spq_left);
3669 3670 3671 3672 3673 3674 3675 3676 3677 3678

	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
3679 3680
static void bnx2x_sp_task(struct work_struct *work)
{
3681
	struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work);
E
Eliezer Tamir 已提交
3682 3683 3684 3685
	u16 status;

	/* Return here if interrupt is disabled */
	if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
3686
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
E
Eliezer Tamir 已提交
3687 3688 3689 3690
		return;
	}

	status = bnx2x_update_dsb_idx(bp);
3691 3692
/*	if (status == 0)				     */
/*		BNX2X_ERR("spurious slowpath interrupt!\n"); */
E
Eliezer Tamir 已提交
3693

V
Vladislav Zolotarov 已提交
3694
	DP(NETIF_MSG_INTR, "got a slowpath interrupt (status 0x%x)\n", status);
E
Eliezer Tamir 已提交
3695

3696
	/* HW attentions */
3697
	if (status & BNX2X_DEF_SB_ATT_IDX) {
E
Eliezer Tamir 已提交
3698
		bnx2x_attn_int(bp);
3699
		status &= ~BNX2X_DEF_SB_ATT_IDX;
V
Vladislav Zolotarov 已提交
3700 3701
	}

3702 3703 3704 3705 3706 3707 3708 3709 3710 3711
	/* SP events: STAT_QUERY and others */
	if (status & BNX2X_DEF_SB_IDX) {

		/* 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
3712 3713 3714 3715 3716
	}

	if (unlikely(status))
		DP(NETIF_MSG_INTR, "got an unknown interrupt! (status 0x%x)\n",
		   status);
E
Eliezer Tamir 已提交
3717

3718 3719
	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
3720 3721
}

D
Dmitry Kravkov 已提交
3722
irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
E
Eliezer Tamir 已提交
3723 3724 3725 3726 3727 3728
{
	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)) {
3729
		DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
E
Eliezer Tamir 已提交
3730 3731 3732
		return IRQ_HANDLED;
	}

3733 3734
	bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0,
		     IGU_INT_DISABLE, 0);
E
Eliezer Tamir 已提交
3735 3736 3737 3738 3739 3740

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

3741 3742 3743 3744 3745 3746 3747 3748 3749 3750 3751
#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
3752
	queue_delayed_work(bnx2x_wq, &bp->sp_task, 0);
E
Eliezer Tamir 已提交
3753 3754 3755 3756 3757 3758 3759 3760 3761 3762 3763 3764 3765 3766

	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
3767
		goto timer_restart;
E
Eliezer Tamir 已提交
3768 3769 3770 3771 3772

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

3773
		bnx2x_tx_int(fp);
E
Eliezer Tamir 已提交
3774 3775 3776
		rc = bnx2x_rx_int(fp, 1000);
	}

3777
	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
3778
		int mb_idx = BP_FW_MB_IDX(bp);
E
Eliezer Tamir 已提交
3779 3780 3781 3782 3783 3784 3785
		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
3786
		SHMEM_WR(bp, func_mb[mb_idx].drv_pulse_mb, drv_pulse);
E
Eliezer Tamir 已提交
3787

D
Dmitry Kravkov 已提交
3788
		mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
E
Eliezer Tamir 已提交
3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800
			     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);
		}
	}

3801
	if (bp->state == BNX2X_STATE_OPEN)
Y
Yitchak Gertner 已提交
3802
		bnx2x_stats_handle(bp, STATS_EVENT_UPDATE);
E
Eliezer Tamir 已提交
3803

E
Eliezer Tamir 已提交
3804
timer_restart:
E
Eliezer Tamir 已提交
3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815
	mod_timer(&bp->timer, jiffies + bp->current_interval);
}

/* end of Statistics */

/* nic init */

/*
 * nic init service functions
 */

3816
static inline void bnx2x_fill(struct bnx2x *bp, u32 addr, int fill, u32 len)
E
Eliezer Tamir 已提交
3817
{
3818 3819 3820 3821 3822 3823 3824
	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);
3825 3826 3827

}

3828 3829 3830 3831 3832
/* 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)
3833
{
E
Eliezer Tamir 已提交
3834
	int index;
3835 3836 3837 3838 3839 3840
	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
3841

3842 3843 3844 3845
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
3846
	struct hc_status_block_data_e2 sb_data_e2;
3847
	struct hc_status_block_data_e1x sb_data_e1x;
E
Eliezer Tamir 已提交
3848

3849
	/* disable the function first */
D
Dmitry Kravkov 已提交
3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864 3865
	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);
	}
3866
	bnx2x_wr_fp_sb_data(bp, fw_sb_id, sb_data_p, data_size);
E
Eliezer Tamir 已提交
3867

3868 3869 3870 3871 3872 3873 3874
	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);
}
3875

3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886
/* 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));
3887 3888
}

3889
static inline void bnx2x_zero_sp_sb(struct bnx2x *bp)
3890 3891
{
	int func = BP_FUNC(bp);
3892 3893
	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
3894

3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918
	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
3919 3920
}

3921 3922
void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid,
			  u8 vf_valid, int fw_sb_id, int igu_sb_id)
E
Eliezer Tamir 已提交
3923
{
3924 3925
	int igu_seg_id;

D
Dmitry Kravkov 已提交
3926
	struct hc_status_block_data_e2 sb_data_e2;
3927 3928 3929 3930 3931 3932
	struct hc_status_block_data_e1x sb_data_e1x;
	struct hc_status_block_sm  *hc_sm_p;
	struct hc_index_data *hc_index_p;
	int data_size;
	u32 *sb_data_p;

D
Dmitry Kravkov 已提交
3933 3934 3935 3936
	if (CHIP_INT_MODE_IS_BC(bp))
		igu_seg_id = HC_SEG_ACCESS_NORM;
	else
		igu_seg_id = IGU_SEG_ACCESS_NORM;
3937 3938 3939

	bnx2x_zero_fp_sb(bp, fw_sb_id);

D
Dmitry Kravkov 已提交
3940 3941 3942 3943 3944 3945 3946 3947 3948 3949 3950 3951 3952 3953 3954 3955 3956 3957 3958 3959 3960 3961 3962 3963 3964 3965 3966 3967
	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;
		hc_index_p = sb_data_e2.index_data;
		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;
		hc_index_p = sb_data_e1x.index_data;
		sb_data_p = (u32 *)&sb_data_e1x;
		data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32);
	}
3968 3969 3970 3971 3972 3973 3974 3975 3976 3977 3978 3979 3980 3981 3982 3983 3984 3985 3986 3987 3988 3989 3990 3991 3992 3993 3994 3995 3996 3997 3998 3999

	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
4000

4001 4002 4003 4004 4005 4006
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;
4007 4008
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
4009
	int reg_offset;
E
Eliezer Tamir 已提交
4010
	u64 section;
4011 4012 4013 4014
	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
4015 4016 4017 4018 4019 4020 4021
	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
4022 4023

	/* ATTN */
4024
	section = ((u64)mapping) + offsetof(struct host_sp_status_block,
E
Eliezer Tamir 已提交
4025
					    atten_status_block);
4026
	def_sb->atten_status_block.status_block_id = igu_sp_sb_index;
E
Eliezer Tamir 已提交
4027

4028 4029
	bp->attn_state = 0;

E
Eliezer Tamir 已提交
4030 4031
	reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 :
			     MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0);
4032
	for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
4033 4034 4035 4036 4037
		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
4038 4039 4040 4041 4042 4043 4044 4045 4046 4047 4048

		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
4049 4050
	}

D
Dmitry Kravkov 已提交
4051 4052 4053 4054 4055 4056 4057 4058 4059 4060
	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
4061

4062 4063
	section = ((u64)mapping) + offsetof(struct host_sp_status_block,
					    sp_sb);
E
Eliezer Tamir 已提交
4064

4065
	bnx2x_zero_sp_sb(bp);
E
Eliezer Tamir 已提交
4066

4067 4068 4069 4070 4071
	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
4072
	sp_sb_data.p_func.vnic_id	= BP_VN(bp);
4073
	sp_sb_data.p_func.vf_id		= 0xff;
E
Eliezer Tamir 已提交
4074

4075
	bnx2x_wr_sp_sb_data(bp, &sp_sb_data);
4076

Y
Yitchak Gertner 已提交
4077
	bp->stats_pending = 0;
Y
Yitchak Gertner 已提交
4078
	bp->set_mac_pending = 0;
Y
Yitchak Gertner 已提交
4079

4080
	bnx2x_ack_sb(bp, bp->igu_dsb_id, USTORM_ID, 0, IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
4081 4082
}

D
Dmitry Kravkov 已提交
4083
void bnx2x_update_coalesce(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4084 4085 4086
{
	int i;

4087 4088 4089
	for_each_queue(bp, i)
		bnx2x_update_coalesce_sb(bp, bp->fp[i].fw_sb_id,
					 bp->rx_ticks, bp->tx_ticks);
E
Eliezer Tamir 已提交
4090 4091 4092 4093 4094
}

static void bnx2x_init_sp_ring(struct bnx2x *bp)
{
	spin_lock_init(&bp->spq_lock);
4095
	atomic_set(&bp->spq_left, MAX_SPQ_PENDING);
E
Eliezer Tamir 已提交
4096 4097 4098 4099 4100 4101 4102

	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;
}

4103
static void bnx2x_init_eq_ring(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4104 4105
{
	int i;
4106 4107 4108
	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
4109

4110 4111 4112 4113 4114 4115
		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
4116
	}
4117 4118 4119
	bp->eq_cons = 0;
	bp->eq_prod = NUM_EQ_DESC;
	bp->eq_cons_sb = BNX2X_EQ_INDEX;
E
Eliezer Tamir 已提交
4120 4121 4122 4123
}

static void bnx2x_init_ind_table(struct bnx2x *bp)
{
4124
	int func = BP_FUNC(bp);
E
Eliezer Tamir 已提交
4125 4126
	int i;

E
Eilon Greenstein 已提交
4127
	if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
E
Eliezer Tamir 已提交
4128 4129
		return;

E
Eilon Greenstein 已提交
4130 4131
	DP(NETIF_MSG_IFUP,
	   "Initializing indirection table  multi_mode %d\n", bp->multi_mode);
E
Eliezer Tamir 已提交
4132
	for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
4133
		REG_WR8(bp, BAR_TSTRORM_INTMEM +
4134
			TSTORM_INDIRECTION_TABLE_OFFSET(func) + i,
4135
			bp->fp->cl_id + (i % bp->num_queues));
E
Eliezer Tamir 已提交
4136 4137
}

D
Dmitry Kravkov 已提交
4138
void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
E
Eliezer Tamir 已提交
4139
{
4140
	int mode = bp->rx_mode;
4141 4142
	u16 cl_id;

4143 4144 4145 4146 4147 4148
	/* 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
4149 4150 4151

	switch (mode) {
	case BNX2X_RX_MODE_NONE: /* no Rx */
4152 4153
		cl_id = BP_L_ID(bp);
		bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_ACCEPT_NONE);
E
Eliezer Tamir 已提交
4154
		break;
E
Eilon Greenstein 已提交
4155

E
Eliezer Tamir 已提交
4156
	case BNX2X_RX_MODE_NORMAL:
4157 4158 4159 4160 4161
		cl_id = BP_L_ID(bp);
		bnx2x_rxq_set_mac_filters(bp, cl_id,
			BNX2X_ACCEPT_UNICAST |
			BNX2X_ACCEPT_BROADCAST |
			BNX2X_ACCEPT_MULTICAST);
E
Eliezer Tamir 已提交
4162
		break;
E
Eilon Greenstein 已提交
4163

E
Eliezer Tamir 已提交
4164
	case BNX2X_RX_MODE_ALLMULTI:
4165 4166 4167 4168 4169
		cl_id = BP_L_ID(bp);
		bnx2x_rxq_set_mac_filters(bp, cl_id,
			BNX2X_ACCEPT_UNICAST |
			BNX2X_ACCEPT_BROADCAST |
			BNX2X_ACCEPT_ALL_MULTICAST);
E
Eliezer Tamir 已提交
4170
		break;
E
Eilon Greenstein 已提交
4171

E
Eliezer Tamir 已提交
4172
	case BNX2X_RX_MODE_PROMISC:
4173 4174 4175
		cl_id = BP_L_ID(bp);
		bnx2x_rxq_set_mac_filters(bp, cl_id, BNX2X_PROMISCUOUS_MODE);

4176 4177
		/* 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
4178
		break;
E
Eilon Greenstein 已提交
4179

E
Eliezer Tamir 已提交
4180
	default:
4181 4182
		BNX2X_ERR("BAD rx mode (%d)\n", mode);
		break;
E
Eliezer Tamir 已提交
4183 4184
	}

4185
	REG_WR(bp,
4186 4187
	       BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK :
			     NIG_REG_LLH0_BRB1_DRV_MASK,
4188 4189
	       llh_mask);

4190 4191 4192 4193 4194 4195 4196 4197 4198 4199
	DP(NETIF_MSG_IFUP, "rx mode %d\n"
		"drop_ucast 0x%x\ndrop_mcast 0x%x\ndrop_bcast 0x%x\n"
		"accp_ucast 0x%x\naccp_mcast 0x%x\naccp_bcast 0x%x\n", mode,
		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,
		bp->mac_filters.bcast_accept_all
	);
E
Eliezer Tamir 已提交
4200

4201
	storm_memset_mac_filters(bp, &bp->mac_filters, BP_FUNC(bp));
E
Eliezer Tamir 已提交
4202 4203
}

4204 4205 4206 4207
static void bnx2x_init_internal_common(struct bnx2x *bp)
{
	int i;

4208
	if (!CHIP_IS_E1(bp)) {
E
Eilon Greenstein 已提交
4209

4210 4211
		/* xstorm needs to know whether to add  ovlan to packets or not,
		 * in switch-independent we'll write 0 to here... */
4212
		REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4213
			bp->mf_mode);
4214
		REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4215
			bp->mf_mode);
4216
		REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4217
			bp->mf_mode);
4218
		REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET,
D
Dmitry Kravkov 已提交
4219
			bp->mf_mode);
4220 4221
	}

4222 4223 4224
	/* 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
4225
		REG_WR(bp, BAR_USTRORM_INTMEM +
4226
		       USTORM_AGG_DATA_OFFSET + i * 4, 0);
D
Dmitry Kravkov 已提交
4227 4228 4229 4230 4231
	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);
	}
4232
}
E
Eilon Greenstein 已提交
4233

4234 4235 4236
static void bnx2x_init_internal_port(struct bnx2x *bp)
{
	/* port */
E
Eliezer Tamir 已提交
4237 4238
}

4239 4240 4241 4242
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
4243
	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
4244 4245 4246 4247 4248 4249 4250 4251
		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:
4252 4253
		/* internal memory per function is
		   initialized inside bnx2x_pf_init */
4254 4255 4256 4257 4258 4259 4260 4261
		break;

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

4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273
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;

	fp->index = fp->cid = fp_idx;
	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
4274 4275
			   BP_PORT(bp)*(CHIP_IS_E2(bp) ? ETH_MAX_RX_CLIENTS_E2 :
				ETH_MAX_RX_CLIENTS_E1H);
4276
	/* init shortcut */
D
Dmitry Kravkov 已提交
4277 4278
	fp->ustorm_rx_prods_offset = CHIP_IS_E2(bp) ?
			    USTORM_RX_PRODS_E2_OFFSET(fp->cl_qzone_id) :
4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293
			    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
4294
void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
E
Eliezer Tamir 已提交
4295 4296 4297
{
	int i;

4298 4299
	for_each_queue(bp, i)
		bnx2x_init_fp_sb(bp, i);
4300
#ifdef BCM_CNIC
4301 4302 4303 4304 4305

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

4306
#endif
E
Eliezer Tamir 已提交
4307

4308 4309 4310
	/* ensure status block indices were read */
	rmb();

4311
	bnx2x_init_def_sb(bp);
4312
	bnx2x_update_dsb_idx(bp);
E
Eliezer Tamir 已提交
4313
	bnx2x_init_rx_rings(bp);
4314
	bnx2x_init_tx_rings(bp);
E
Eliezer Tamir 已提交
4315
	bnx2x_init_sp_ring(bp);
4316
	bnx2x_init_eq_ring(bp);
4317
	bnx2x_init_internal(bp, load_code);
4318
	bnx2x_pf_init(bp);
E
Eliezer Tamir 已提交
4319
	bnx2x_init_ind_table(bp);
4320 4321 4322 4323 4324 4325 4326 4327 4328
	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
4329
	bnx2x_int_enable(bp);
4330 4331 4332 4333 4334

	/* 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
4335 4336 4337 4338 4339 4340 4341 4342 4343 4344
}

/* end of nic init */

/*
 * gzip service functions
 */

static int bnx2x_gunzip_init(struct bnx2x *bp)
{
4345 4346
	bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
					    &bp->gunzip_mapping, GFP_KERNEL);
E
Eliezer Tamir 已提交
4347 4348 4349 4350 4351 4352 4353 4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365
	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:
4366 4367
	dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
			  bp->gunzip_mapping);
E
Eliezer Tamir 已提交
4368 4369 4370
	bp->gunzip_buf = NULL;

gunzip_nomem1:
V
Vladislav Zolotarov 已提交
4371 4372
	netdev_err(bp->dev, "Cannot allocate firmware buffer for"
	       " un-compression\n");
E
Eliezer Tamir 已提交
4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383
	return -ENOMEM;
}

static void bnx2x_gunzip_end(struct bnx2x *bp)
{
	kfree(bp->strm->workspace);

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

	if (bp->gunzip_buf) {
4384 4385
		dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
				  bp->gunzip_mapping);
E
Eliezer Tamir 已提交
4386 4387 4388 4389
		bp->gunzip_buf = NULL;
	}
}

4390
static int bnx2x_gunzip(struct bnx2x *bp, const u8 *zbuf, int len)
E
Eliezer Tamir 已提交
4391 4392 4393 4394
{
	int n, rc;

	/* check gzip header */
4395 4396
	if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) {
		BNX2X_ERR("Bad gzip header\n");
E
Eliezer Tamir 已提交
4397
		return -EINVAL;
4398
	}
E
Eliezer Tamir 已提交
4399 4400 4401

	n = 10;

4402
#define FNAME				0x8
E
Eliezer Tamir 已提交
4403 4404 4405 4406

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

4407
	bp->strm->next_in = (typeof(bp->strm->next_in))zbuf + n;
E
Eliezer Tamir 已提交
4408 4409 4410 4411 4412 4413 4414 4415 4416 4417
	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))
4418 4419
		netdev_err(bp->dev, "Firmware decompression error: %s\n",
			   bp->strm->msg);
E
Eliezer Tamir 已提交
4420 4421 4422

	bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out);
	if (bp->gunzip_outlen & 0x3)
V
Vladislav Zolotarov 已提交
4423 4424 4425
		netdev_err(bp->dev, "Firmware decompression error:"
				    " gunzip_outlen (%d) not aligned\n",
				bp->gunzip_outlen);
E
Eliezer Tamir 已提交
4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438
	bp->gunzip_outlen >>= 2;

	zlib_inflateEnd(bp->strm);

	if (rc == Z_STREAM_END)
		return 0;

	return rc;
}

/* nic load/unload */

/*
4439
 * General service functions
E
Eliezer Tamir 已提交
4440 4441 4442 4443 4444 4445 4446 4447 4448 4449
 */

/* 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;
4450
	wb_write[2] = 0x20;		/* SOP */
E
Eliezer Tamir 已提交
4451 4452 4453 4454 4455
	REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3);

	/* NON-IP protocol */
	wb_write[0] = 0x09000000;
	wb_write[1] = 0x55555555;
4456
	wb_write[2] = 0x10;		/* EOP, eop_bvalid = 0 */
E
Eliezer Tamir 已提交
4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469
	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;

4470
	if (CHIP_REV_IS_FPGA(bp))
E
Eliezer Tamir 已提交
4471
		factor = 120;
4472 4473 4474
	else if (CHIP_REV_IS_EMUL(bp))
		factor = 200;
	else
E
Eliezer Tamir 已提交
4475 4476 4477 4478 4479 4480
		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);
4481
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4482 4483 4484 4485 4486 4487 4488 4489 4490 4491 4492

	/*  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) {
4493

E
Eliezer Tamir 已提交
4494 4495 4496 4497 4498 4499 4500 4501 4502 4503 4504 4505 4506 4507 4508 4509 4510 4511 4512 4513 4514 4515 4516 4517 4518 4519 4520 4521 4522
		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 */
4523
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03);
E
Eliezer Tamir 已提交
4524
	msleep(50);
4525
	REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03);
E
Eliezer Tamir 已提交
4526
	msleep(50);
4527 4528
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
4529 4530 4531 4532 4533 4534 4535

	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);
4536
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0);
E
Eliezer Tamir 已提交
4537 4538 4539 4540 4541 4542 4543 4544 4545 4546 4547 4548

	/* 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) {
4549

E
Eliezer Tamir 已提交
4550 4551 4552 4553 4554 4555 4556 4557 4558 4559 4560 4561 4562 4563 4564 4565 4566 4567 4568 4569 4570 4571 4572 4573 4574 4575 4576 4577 4578 4579 4580 4581 4582 4583 4584 4585 4586 4587 4588 4589 4590 4591
		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);
4592 4593
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
4594
#ifndef BCM_CNIC
E
Eliezer Tamir 已提交
4595 4596 4597 4598 4599 4600 4601 4602
	/* 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);
4603
	REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1);
E
Eliezer Tamir 已提交
4604 4605 4606 4607 4608 4609 4610 4611 4612

	DP(NETIF_MSG_HW, "done\n");

	return 0; /* OK */
}

static void enable_blocks_attention(struct bnx2x *bp)
{
	REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0);
D
Dmitry Kravkov 已提交
4613 4614 4615 4616
	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
4617 4618
	REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0);
	REG_WR(bp, CFC_REG_CFC_INT_MASK, 0);
D
Dmitry Kravkov 已提交
4619 4620 4621 4622 4623 4624 4625
	/*
	 * 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
4626 4627 4628 4629 4630
	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);
4631 4632
/*	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
4633 4634 4635
	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);
4636 4637
/*	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
4638 4639 4640 4641
	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);
4642 4643 4644 4645
/*	REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */
/*	REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */
	if (CHIP_REV_IS_FPGA(bp))
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000);
D
Dmitry Kravkov 已提交
4646 4647 4648 4649 4650 4651 4652
	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));
4653 4654
	else
		REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000);
E
Eliezer Tamir 已提交
4655 4656 4657
	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);
4658 4659
/*	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
4660 4661
	REG_WR(bp, CDU_REG_CDU_INT_MASK, 0);
	REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0);
4662 4663
/*	REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */
	REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18);		/* bit 3,4 masked */
E
Eliezer Tamir 已提交
4664 4665
}

4666 4667 4668 4669
static const struct {
	u32 addr;
	u32 mask;
} bnx2x_parity_mask[] = {
D
Dmitry Kravkov 已提交
4670 4671 4672 4673 4674
	{PXP_REG_PXP_PRTY_MASK,		0x3ffffff},
	{PXP2_REG_PXP2_PRTY_MASK_0,	0xffffffff},
	{PXP2_REG_PXP2_PRTY_MASK_1,	0x7f},
	{HC_REG_HC_PRTY_MASK,		0x7},
	{MISC_REG_MISC_PRTY_MASK,	0x1},
4675 4676 4677 4678 4679 4680 4681 4682 4683 4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701
	{QM_REG_QM_PRTY_MASK, 0x0},
	{DORQ_REG_DORQ_PRTY_MASK, 0x0},
	{GRCBASE_UPB + PB_REG_PB_PRTY_MASK, 0x0},
	{GRCBASE_XPB + PB_REG_PB_PRTY_MASK, 0x0},
	{SRC_REG_SRC_PRTY_MASK, 0x4}, /* bit 2 */
	{CDU_REG_CDU_PRTY_MASK, 0x0},
	{CFC_REG_CFC_PRTY_MASK, 0x0},
	{DBG_REG_DBG_PRTY_MASK, 0x0},
	{DMAE_REG_DMAE_PRTY_MASK, 0x0},
	{BRB1_REG_BRB1_PRTY_MASK, 0x0},
	{PRS_REG_PRS_PRTY_MASK, (1<<6)},/* bit 6 */
	{TSDM_REG_TSDM_PRTY_MASK, 0x18},/* bit 3,4 */
	{CSDM_REG_CSDM_PRTY_MASK, 0x8},	/* bit 3 */
	{USDM_REG_USDM_PRTY_MASK, 0x38},/* bit 3,4,5 */
	{XSDM_REG_XSDM_PRTY_MASK, 0x8},	/* bit 3 */
	{TSEM_REG_TSEM_PRTY_MASK_0, 0x0},
	{TSEM_REG_TSEM_PRTY_MASK_1, 0x0},
	{USEM_REG_USEM_PRTY_MASK_0, 0x0},
	{USEM_REG_USEM_PRTY_MASK_1, 0x0},
	{CSEM_REG_CSEM_PRTY_MASK_0, 0x0},
	{CSEM_REG_CSEM_PRTY_MASK_1, 0x0},
	{XSEM_REG_XSEM_PRTY_MASK_0, 0x0},
	{XSEM_REG_XSEM_PRTY_MASK_1, 0x0}
};

static void enable_blocks_parity(struct bnx2x *bp)
{
4702
	int i;
4703

4704
	for (i = 0; i < ARRAY_SIZE(bnx2x_parity_mask); i++)
4705 4706 4707 4708
		REG_WR(bp, bnx2x_parity_mask[i].addr,
			bnx2x_parity_mask[i].mask);
}

4709

E
Eilon Greenstein 已提交
4710 4711 4712 4713 4714 4715 4716 4717
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);
}

4718 4719 4720 4721 4722 4723 4724 4725 4726 4727 4728 4729 4730 4731 4732 4733 4734 4735
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
4736 4737 4738

static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
{
4739
	int is_required;
E
Eilon Greenstein 已提交
4740
	u32 val;
4741
	int port;
E
Eilon Greenstein 已提交
4742

4743 4744 4745 4746
	if (BP_NOMCP(bp))
		return;

	is_required = 0;
E
Eilon Greenstein 已提交
4747 4748 4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760
	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 |=
4761 4762 4763
				bnx2x_fan_failure_det_req(
					bp,
					bp->common.shmem_base,
Y
Yaniv Rosner 已提交
4764
					bp->common.shmem2_base,
4765
					port);
E
Eilon Greenstein 已提交
4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777 4778 4779
		}

	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
4780
					MISC_REGISTERS_SPIO_INT_OLD_SET_POS);
E
Eilon Greenstein 已提交
4781 4782 4783 4784 4785 4786 4787 4788
	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
4789 4790 4791 4792 4793 4794 4795 4796 4797 4798 4799 4800 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 4811 4812 4813 4814 4815 4816 4817 4818 4819 4820 4821 4822 4823 4824 4825 4826 4827 4828 4829 4830 4831 4832 4833 4834 4835 4836 4837 4838 4839 4840 4841
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);
}

4842
static int bnx2x_init_hw_common(struct bnx2x *bp, u32 load_code)
E
Eliezer Tamir 已提交
4843 4844 4845
{
	u32 val, i;

D
Dmitry Kravkov 已提交
4846
	DP(BNX2X_MSG_MCP, "starting common init  func %d\n", BP_ABS_FUNC(bp));
E
Eliezer Tamir 已提交
4847

E
Eilon Greenstein 已提交
4848
	bnx2x_reset_common(bp);
4849 4850
	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
4851

4852
	bnx2x_init_block(bp, MISC_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
4853
	if (!CHIP_IS_E1(bp))
D
Dmitry Kravkov 已提交
4854
		REG_WR(bp, MISC_REG_E1HMF_MODE, IS_MF(bp));
E
Eliezer Tamir 已提交
4855

D
Dmitry Kravkov 已提交
4856 4857 4858 4859 4860 4861 4862 4863 4864 4865 4866 4867 4868 4869 4870 4871 4872 4873 4874 4875 4876 4877 4878 4879
	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
4880

4881
	bnx2x_init_block(bp, PXP_BLOCK, COMMON_STAGE);
4882 4883 4884 4885 4886
	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
4887

4888
	bnx2x_init_block(bp, PXP2_BLOCK, COMMON_STAGE);
4889
	bnx2x_init_pxp(bp);
E
Eliezer Tamir 已提交
4890 4891

#ifdef __BIG_ENDIAN
4892 4893 4894 4895 4896
	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
4897 4898
	/* make sure this value is 0 */
	REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 0);
4899 4900 4901 4902 4903 4904

/*	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
4905 4906
#endif

4907 4908
	bnx2x_ilt_init_page_size(bp, INITOP_SET);

E
Eliezer Tamir 已提交
4909

4910 4911
	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
4912

4913 4914 4915 4916 4917 4918 4919 4920 4921 4922 4923 4924 4925
	/* 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
4926

D
Dmitry Kravkov 已提交
4927 4928 4929 4930 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
	/* 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));

		/* initalize dummy TM client */
		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
		 * vnic	(this code assumes existance of the vnic)
		 *
		 * 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);
	}


4964 4965
	REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0);
	REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0);
E
Eliezer Tamir 已提交
4966

D
Dmitry Kravkov 已提交
4967 4968 4969 4970 4971 4972 4973 4974 4975 4976 4977 4978 4979 4980 4981 4982 4983 4984 4985
	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;
		}
	}

4986
	bnx2x_init_block(bp, DMAE_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
4987

4988 4989 4990
	/* clean the DMAE memory */
	bp->dmae_ready = 1;
	bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8);
E
Eliezer Tamir 已提交
4991

4992 4993 4994 4995
	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
4996

4997 4998 4999 5000 5001
	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);

5002
	bnx2x_init_block(bp, QM_BLOCK, COMMON_STAGE);
5003

D
Dmitry Kravkov 已提交
5004 5005
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, QM_4PORT_BLOCK, COMMON_STAGE);
5006 5007 5008
	/* QM queues pointers table */
	bnx2x_qm_init_ptr_table(bp, bp->qm_cid_count, INITOP_SET);

5009 5010 5011
	/* 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
5012

5013
#ifdef BCM_CNIC
5014
	bnx2x_init_block(bp, TIMERS_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5015 5016
#endif

5017
	bnx2x_init_block(bp, DQ_BLOCK, COMMON_STAGE);
5018 5019
	REG_WR(bp, DORQ_REG_DPM_CID_OFST, BNX2X_DB_SHIFT);

5020 5021 5022 5023
	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
5024

5025
	bnx2x_init_block(bp, BRB1_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5026 5027 5028 5029 5030
	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);
	}

5031
	bnx2x_init_block(bp, PRS_BLOCK, COMMON_STAGE);
5032
	REG_WR(bp, PRS_REG_A_PRSU_20, 0xf);
5033
#ifndef BCM_CNIC
5034 5035
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
5036
#endif
D
Dmitry Kravkov 已提交
5037
	if (!CHIP_IS_E1(bp))
D
Dmitry Kravkov 已提交
5038
		REG_WR(bp, PRS_REG_E1HOV_MODE, IS_MF(bp));
D
Dmitry Kravkov 已提交
5039 5040 5041 5042 5043 5044 5045
	if (CHIP_IS_E2(bp)) {
		/* Bit-map indicating which L2 hdrs may appear after the
		   basic Ethernet header */
		int has_ovlan = IS_MF(bp);
		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
5046

5047 5048 5049 5050
	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
5051

E
Eilon Greenstein 已提交
5052 5053 5054 5055
	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
5056

5057 5058 5059 5060
	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
5061

D
Dmitry Kravkov 已提交
5062 5063 5064
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, XSEM_4PORT_BLOCK, COMMON_STAGE);

5065 5066 5067 5068 5069
	/* 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
5070

5071 5072 5073
	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
5074

D
Dmitry Kravkov 已提交
5075 5076 5077 5078 5079 5080
	if (CHIP_IS_E2(bp)) {
		int has_ovlan = IS_MF(bp);
		REG_WR(bp, PBF_REG_HDRS_AFTER_BASIC, (has_ovlan ? 7 : 6));
		REG_WR(bp, PBF_REG_MUST_HAVE_HDRS, (has_ovlan ? 1 : 0));
	}

5081
	REG_WR(bp, SRC_REG_SOFT_RST, 1);
5082 5083
	for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4)
		REG_WR(bp, i, random32());
5084
	bnx2x_init_block(bp, SRCH_BLOCK, COMMON_STAGE);
5085 5086 5087 5088 5089 5090 5091 5092 5093 5094 5095 5096
#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
5097
	REG_WR(bp, SRC_REG_SOFT_RST, 0);
E
Eliezer Tamir 已提交
5098

5099 5100
	if (sizeof(union cdu_context) != 1024)
		/* we currently assume that a context is 1024 bytes */
V
Vladislav Zolotarov 已提交
5101 5102
		dev_alert(&bp->pdev->dev, "please adjust the size "
					  "of cdu_context(%ld)\n",
5103
			 (long)sizeof(union cdu_context));
E
Eliezer Tamir 已提交
5104

5105
	bnx2x_init_block(bp, CDU_BLOCK, COMMON_STAGE);
5106 5107
	val = (4 << 24) + (0 << 12) + 1024;
	REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val);
E
Eliezer Tamir 已提交
5108

5109
	bnx2x_init_block(bp, CFC_BLOCK, COMMON_STAGE);
5110
	REG_WR(bp, CFC_REG_INIT_REG, 0x7FF);
E
Eilon Greenstein 已提交
5111 5112 5113 5114 5115
	/* 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
5116

5117
	bnx2x_init_block(bp, HC_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5118 5119 5120 5121 5122

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

	bnx2x_init_block(bp, IGU_BLOCK, COMMON_STAGE);
5123
	bnx2x_init_block(bp, MISC_AEU_BLOCK, COMMON_STAGE);
E
Eliezer Tamir 已提交
5124

5125
	bnx2x_init_block(bp, PXPCS_BLOCK, COMMON_STAGE);
5126 5127 5128
	/* Reset PCIE errors for debug */
	REG_WR(bp, 0x2814, 0xffffffff);
	REG_WR(bp, 0x3820, 0xffffffff);
E
Eliezer Tamir 已提交
5129

D
Dmitry Kravkov 已提交
5130 5131 5132 5133 5134 5135 5136 5137 5138 5139 5140 5141 5142 5143
	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));
	}

5144 5145 5146 5147
	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);
5148

5149
	bnx2x_init_block(bp, NIG_BLOCK, COMMON_STAGE);
D
Dmitry Kravkov 已提交
5150
	if (!CHIP_IS_E1(bp)) {
D
Dmitry Kravkov 已提交
5151 5152
		REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_MF(bp));
		REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_MF(bp));
5153
	}
D
Dmitry Kravkov 已提交
5154 5155 5156 5157 5158
	if (CHIP_IS_E2(bp)) {
		/* Bit-map indicating which L2 hdrs may appear after the
		   basic Ethernet header */
		REG_WR(bp, NIG_REG_P0_HDRS_AFTER_BASIC, (IS_MF(bp) ? 7 : 6));
	}
5159 5160 5161 5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179

	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
5180

D
Dmitry Kravkov 已提交
5181 5182 5183 5184 5185
	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]);
5186

D
Dmitry Kravkov 已提交
5187 5188 5189 5190 5191
		/* do internal memory self test */
		if ((val == 0) && bnx2x_int_mem_test(bp)) {
			BNX2X_ERR("internal mem self test failed\n");
			return -EBUSY;
		}
5192 5193
	}

5194
	bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
Y
Yaniv Rosner 已提交
5195 5196
						       bp->common.shmem_base,
						       bp->common.shmem2_base);
E
Eliezer Tamir 已提交
5197

E
Eilon Greenstein 已提交
5198 5199
	bnx2x_setup_fan_failure_detection(bp);

5200 5201
	/* clear PXP2 attentions */
	REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0);
E
Eliezer Tamir 已提交
5202

5203
	enable_blocks_attention(bp);
5204 5205
	if (CHIP_PARITY_SUPPORTED(bp))
		enable_blocks_parity(bp);
E
Eliezer Tamir 已提交
5206

Y
Yaniv Rosner 已提交
5207
	if (!BP_NOMCP(bp)) {
D
Dmitry Kravkov 已提交
5208 5209 5210 5211 5212 5213 5214 5215 5216 5217 5218 5219 5220 5221 5222 5223 5224
		/* 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
5225 5226 5227
	} else
		BNX2X_ERR("Bootcode is missing - can not initialize link\n");

5228 5229
	return 0;
}
E
Eliezer Tamir 已提交
5230

5231
static int bnx2x_init_hw_port(struct bnx2x *bp)
5232 5233
{
	int port = BP_PORT(bp);
5234
	int init_stage = port ? PORT1_STAGE : PORT0_STAGE;
5235
	u32 low, high;
5236
	u32 val;
E
Eliezer Tamir 已提交
5237

V
Vladislav Zolotarov 已提交
5238
	DP(BNX2X_MSG_MCP, "starting port init  port %d\n", port);
5239 5240

	REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0);
E
Eliezer Tamir 已提交
5241

5242 5243
	bnx2x_init_block(bp, PXP_BLOCK, init_stage);
	bnx2x_init_block(bp, PXP2_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5244

D
Dmitry Kravkov 已提交
5245 5246 5247 5248 5249 5250 5251 5252
	/* 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
5253 5254 5255
	bnx2x_init_block(bp, TCM_BLOCK, init_stage);
	bnx2x_init_block(bp, UCM_BLOCK, init_stage);
	bnx2x_init_block(bp, CCM_BLOCK, init_stage);
5256
	bnx2x_init_block(bp, XCM_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5257

5258 5259
	/* QM cid (connection) count */
	bnx2x_qm_init_cid_count(bp, bp->qm_cid_count, INITOP_SET);
E
Eliezer Tamir 已提交
5260

5261
#ifdef BCM_CNIC
5262
	bnx2x_init_block(bp, TIMERS_BLOCK, init_stage);
5263 5264
	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
5265
#endif
V
Vladislav Zolotarov 已提交
5266

5267
	bnx2x_init_block(bp, DQ_BLOCK, init_stage);
5268

D
Dmitry Kravkov 已提交
5269 5270 5271 5272 5273 5274 5275 5276 5277 5278 5279 5280 5281 5282 5283 5284 5285 5286 5287 5288 5289 5290 5291 5292 5293 5294 5295
	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);
5296 5297
	}

D
Dmitry Kravkov 已提交
5298 5299 5300 5301 5302 5303
	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);
	}
5304

5305
	bnx2x_init_block(bp, PRS_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5306

5307 5308 5309 5310
	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
5311

5312 5313 5314 5315
	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
5316 5317
	if (CHIP_MODE_IS_4_PORT(bp))
		bnx2x_init_block(bp, XSEM_4PORT_BLOCK, init_stage);
E
Eilon Greenstein 已提交
5318

5319 5320
	bnx2x_init_block(bp, UPB_BLOCK, init_stage);
	bnx2x_init_block(bp, XPB_BLOCK, init_stage);
5321

5322
	bnx2x_init_block(bp, PBF_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5323

D
Dmitry Kravkov 已提交
5324 5325 5326
	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
5327

D
Dmitry Kravkov 已提交
5328 5329 5330 5331
		/* 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
5332

D
Dmitry Kravkov 已提交
5333 5334 5335 5336 5337
		/* 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
5338

5339 5340
#ifdef BCM_CNIC
	bnx2x_init_block(bp, SRCH_BLOCK, init_stage);
E
Eliezer Tamir 已提交
5341
#endif
5342 5343
	bnx2x_init_block(bp, CDU_BLOCK, init_stage);
	bnx2x_init_block(bp, CFC_BLOCK, init_stage);
5344 5345 5346 5347 5348

	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);
	}
5349
	bnx2x_init_block(bp, HC_BLOCK, init_stage);
5350

D
Dmitry Kravkov 已提交
5351 5352
	bnx2x_init_block(bp, IGU_BLOCK, init_stage);

5353
	bnx2x_init_block(bp, MISC_AEU_BLOCK, init_stage);
5354 5355 5356 5357 5358
	/* 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" */
	REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4,
D
Dmitry Kravkov 已提交
5359
	       (IS_MF(bp) ? 0xF7 : 0x7));
5360

5361 5362 5363 5364 5365
	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
5366

5367
	bnx2x_init_block(bp, NIG_BLOCK, init_stage);
5368 5369 5370

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

D
Dmitry Kravkov 已提交
5371
	if (!CHIP_IS_E1(bp)) {
D
Dmitry Kravkov 已提交
5372
		/* 0x2 disable mf_ov, 0x1 enable */
5373
		REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4,
D
Dmitry Kravkov 已提交
5374
		       (IS_MF(bp) ? 0x1 : 0x2));
5375

D
Dmitry Kravkov 已提交
5376 5377 5378 5379 5380 5381 5382 5383 5384 5385 5386 5387 5388 5389
		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);
		}
5390 5391 5392 5393 5394
		{
			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);
		}
5395 5396
	}

5397 5398
	bnx2x_init_block(bp, MCP_BLOCK, init_stage);
	bnx2x_init_block(bp, DMAE_BLOCK, init_stage);
5399
	bp->port.need_hw_lock = bnx2x_hw_lock_required(bp,
Y
Yaniv Rosner 已提交
5400 5401
						       bp->common.shmem_base,
						       bp->common.shmem2_base);
5402
	if (bnx2x_fan_failure_det_req(bp, bp->common.shmem_base,
Y
Yaniv Rosner 已提交
5403
				      bp->common.shmem2_base, port)) {
E
Eilon Greenstein 已提交
5404 5405 5406
		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
5407
		val |= AEU_INPUTS_ATTN_BITS_SPIO5;
E
Eilon Greenstein 已提交
5408
		REG_WR(bp, reg_addr, val);
E
Eliezer Tamir 已提交
5409
	}
Y
Yaniv Rosner 已提交
5410
	bnx2x__link_reset(bp);
E
Eliezer Tamir 已提交
5411

5412 5413 5414 5415 5416 5417 5418
	return 0;
}

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

D
Dmitry Kravkov 已提交
5419
	if (CHIP_IS_E1(bp))
5420
		reg = PXP2_REG_RQ_ONCHIP_AT + index*8;
D
Dmitry Kravkov 已提交
5421 5422
	else
		reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8;
5423 5424 5425 5426

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

D
Dmitry Kravkov 已提交
5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438
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);
}

5439
static int bnx2x_init_hw_func(struct bnx2x *bp)
5440 5441 5442
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
5443 5444
	struct bnx2x_ilt *ilt = BP_ILT(bp);
	u16 cdu_ilt_start;
E
Eilon Greenstein 已提交
5445
	u32 addr, val;
5446 5447
	int i;

V
Vladislav Zolotarov 已提交
5448
	DP(BNX2X_MSG_MCP, "starting func init  func %d\n", func);
5449

E
Eilon Greenstein 已提交
5450
	/* set MSI reconfigure capability */
D
Dmitry Kravkov 已提交
5451 5452 5453 5454 5455 5456
	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
5457

5458 5459
	ilt = BP_ILT(bp);
	cdu_ilt_start = ilt->clients[ILT_CLIENT_CDU].start;
5460

5461 5462 5463 5464 5465 5466 5467
	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 */
5468
	}
5469 5470 5471
	bnx2x_ilt_init_op(bp, INITOP_SET);
#ifdef BCM_CNIC
	bnx2x_src_init_t2(bp, bp->t2, bp->t2_mapping, SRC_CONN_NUM);
5472

5473 5474 5475
	/* T1 hash bits value determines the T1 number of entries */
	REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + port*4, SRC_HASH_BITS);
#endif
5476

5477 5478 5479 5480
#ifndef BCM_CNIC
	/* set NIC mode */
	REG_WR(bp, PRS_REG_NIC_MODE, 1);
#endif  /* BCM_CNIC */
5481

D
Dmitry Kravkov 已提交
5482 5483 5484 5485 5486 5487 5488 5489 5490 5491 5492 5493 5494 5495 5496 5497 5498 5499 5500 5501 5502 5503 5504 5505 5506
	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);
	}

5507
	bp->dmae_ready = 1;
5508

5509 5510
	bnx2x_init_block(bp, PGLUE_B_BLOCK, FUNC0_STAGE + func);

D
Dmitry Kravkov 已提交
5511 5512 5513
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PGLUE_B_REG_WAS_ERROR_PF_7_0_CLR, func);

5514 5515 5516 5517 5518 5519 5520 5521 5522 5523
	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
5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536
	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);

5537
	bnx2x_init_block(bp, QM_BLOCK, FUNC0_STAGE + func);
D
Dmitry Kravkov 已提交
5538 5539 5540 5541

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

5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552
	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
5553 5554 5555
	if (CHIP_IS_E2(bp))
		REG_WR(bp, PBF_REG_DISABLE_PF, 0);

5556 5557 5558
	bnx2x_init_block(bp, CDU_BLOCK, FUNC0_STAGE + func);

	bnx2x_init_block(bp, CFC_BLOCK, FUNC0_STAGE + func);
5559

D
Dmitry Kravkov 已提交
5560 5561 5562
	if (CHIP_IS_E2(bp))
		REG_WR(bp, CFC_REG_WEAK_ENABLE_PF, 1);

D
Dmitry Kravkov 已提交
5563
	if (IS_MF(bp)) {
5564
		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1);
D
Dmitry Kravkov 已提交
5565
		REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->mf_ov);
5566 5567
	}

5568 5569
	bnx2x_init_block(bp, MISC_AEU_BLOCK, FUNC0_STAGE + func);

5570
	/* HC init per function */
D
Dmitry Kravkov 已提交
5571 5572 5573 5574 5575 5576 5577 5578 5579 5580 5581 5582
	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;

5583 5584
		REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0);

D
Dmitry Kravkov 已提交
5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621 5622 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 5648 5649 5650 5651 5652 5653 5654 5655 5656 5657 5658 5659 5660 5661 5662 5663 5664 5665 5666 5667 5668 5669 5670 5671 5672 5673 5674 5675 5676 5677 5678 5679 5680
		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);
		}
5681 5682
	}

E
Eliezer Tamir 已提交
5683
	/* Reset PCIE errors for debug */
E
Eliezer Tamir 已提交
5684 5685
	REG_WR(bp, 0x2114, 0xffffffff);
	REG_WR(bp, 0x2120, 0xffffffff);
5686 5687 5688 5689 5690 5691 5692 5693

	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);

Y
Yaniv Rosner 已提交
5694
	bnx2x_phy_probe(&bp->link_params);
5695 5696 5697
	return 0;
}

D
Dmitry Kravkov 已提交
5698
int bnx2x_init_hw(struct bnx2x *bp, u32 load_code)
5699
{
5700
	int rc = 0;
E
Eliezer Tamir 已提交
5701

5702
	DP(BNX2X_MSG_MCP, "function %d  load_code %x\n",
D
Dmitry Kravkov 已提交
5703
	   BP_ABS_FUNC(bp), load_code);
E
Eliezer Tamir 已提交
5704

5705 5706
	bp->dmae_ready = 0;
	mutex_init(&bp->dmae_mutex);
5707 5708 5709
	rc = bnx2x_gunzip_init(bp);
	if (rc)
		return rc;
E
Eliezer Tamir 已提交
5710

5711 5712
	switch (load_code) {
	case FW_MSG_CODE_DRV_LOAD_COMMON:
D
Dmitry Kravkov 已提交
5713
	case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP:
5714
		rc = bnx2x_init_hw_common(bp, load_code);
5715 5716 5717 5718 5719
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_PORT:
5720
		rc = bnx2x_init_hw_port(bp);
5721 5722 5723 5724 5725
		if (rc)
			goto init_hw_err;
		/* no break */

	case FW_MSG_CODE_DRV_LOAD_FUNCTION:
5726
		rc = bnx2x_init_hw_func(bp);
5727 5728 5729 5730 5731 5732 5733 5734 5735 5736
		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
5737
		int mb_idx = BP_FW_MB_IDX(bp);
E
Eliezer Tamir 已提交
5738 5739

		bp->fw_drv_pulse_wr_seq =
D
Dmitry Kravkov 已提交
5740
				(SHMEM_RD(bp, func_mb[mb_idx].drv_pulse_mb) &
E
Eliezer Tamir 已提交
5741
				 DRV_PULSE_SEQ_MASK);
5742 5743
		DP(BNX2X_MSG_MCP, "drv_pulse 0x%x\n", bp->fw_drv_pulse_wr_seq);
	}
E
Eliezer Tamir 已提交
5744

5745 5746 5747 5748
init_hw_err:
	bnx2x_gunzip_end(bp);

	return rc;
E
Eliezer Tamir 已提交
5749 5750
}

D
Dmitry Kravkov 已提交
5751
void bnx2x_free_mem(struct bnx2x *bp)
E
Eliezer Tamir 已提交
5752 5753 5754 5755 5756
{

#define BNX2X_PCI_FREE(x, y, size) \
	do { \
		if (x) { \
5757
			dma_free_coherent(&bp->pdev->dev, size, (void *)x, y); \
E
Eliezer Tamir 已提交
5758 5759 5760 5761 5762 5763 5764 5765
			x = NULL; \
			y = 0; \
		} \
	} while (0)

#define BNX2X_FREE(x) \
	do { \
		if (x) { \
5766
			kfree((void *)x); \
E
Eliezer Tamir 已提交
5767 5768 5769 5770 5771 5772 5773
			x = NULL; \
		} \
	} while (0)

	int i;

	/* fastpath */
E
Eilon Greenstein 已提交
5774
	/* Common */
E
Eliezer Tamir 已提交
5775
	for_each_queue(bp, i) {
E
Eilon Greenstein 已提交
5776
		/* status blocks */
D
Dmitry Kravkov 已提交
5777 5778 5779 5780 5781 5782 5783 5784
		if (CHIP_IS_E2(bp))
			BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e2_sb),
				       bnx2x_fp(bp, i, status_blk_mapping),
				       sizeof(struct host_hc_status_block_e2));
		else
			BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk.e1x_sb),
				       bnx2x_fp(bp, i, status_blk_mapping),
				       sizeof(struct host_hc_status_block_e1x));
E
Eilon Greenstein 已提交
5785 5786
	}
	/* Rx */
5787
	for_each_queue(bp, i) {
E
Eliezer Tamir 已提交
5788

E
Eilon Greenstein 已提交
5789
		/* fastpath rx rings: rx_buf rx_desc rx_comp */
E
Eliezer Tamir 已提交
5790 5791 5792 5793 5794 5795 5796 5797 5798 5799
		BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring));
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring),
			       bnx2x_fp(bp, i, rx_desc_mapping),
			       sizeof(struct eth_rx_bd) * NUM_RX_BD);

		BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring),
			       bnx2x_fp(bp, i, rx_comp_mapping),
			       sizeof(struct eth_fast_path_rx_cqe) *
			       NUM_RCQ_BD);

5800
		/* SGE ring */
E
Eilon Greenstein 已提交
5801
		BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring));
5802 5803 5804 5805
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring),
			       bnx2x_fp(bp, i, rx_sge_mapping),
			       BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
	}
E
Eilon Greenstein 已提交
5806
	/* Tx */
5807
	for_each_queue(bp, i) {
E
Eilon Greenstein 已提交
5808 5809 5810 5811 5812

		/* fastpath tx rings: tx_buf tx_desc */
		BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring));
		BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
			       bnx2x_fp(bp, i, tx_desc_mapping),
E
Eilon Greenstein 已提交
5813
			       sizeof(union eth_tx_bd_types) * NUM_TX_BD);
E
Eilon Greenstein 已提交
5814
	}
E
Eliezer Tamir 已提交
5815 5816 5817
	/* end of fastpath */

	BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
5818
		       sizeof(struct host_sp_status_block));
E
Eliezer Tamir 已提交
5819 5820

	BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
5821
		       sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
5822

5823 5824 5825 5826 5827 5828
	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);
5829
#ifdef BCM_CNIC
D
Dmitry Kravkov 已提交
5830 5831 5832 5833 5834 5835
	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));
5836
	BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, SRC_T2_SZ);
E
Eliezer Tamir 已提交
5837
#endif
5838
	BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE);
E
Eliezer Tamir 已提交
5839

5840 5841 5842
	BNX2X_PCI_FREE(bp->eq_ring, bp->eq_mapping,
		       BCM_PAGE_SIZE * NUM_EQ_PAGES);

E
Eliezer Tamir 已提交
5843 5844 5845 5846
#undef BNX2X_PCI_FREE
#undef BNX2X_KFREE
}

D
Dmitry Kravkov 已提交
5847 5848 5849 5850 5851 5852 5853 5854 5855 5856 5857 5858 5859 5860 5861 5862
static inline void set_sb_shortcuts(struct bnx2x *bp, int index)
{
	union host_hc_status_block status_blk = bnx2x_fp(bp, index, status_blk);
	if (CHIP_IS_E2(bp)) {
		bnx2x_fp(bp, index, sb_index_values) =
			(__le16 *)status_blk.e2_sb->sb.index_values;
		bnx2x_fp(bp, index, sb_running_index) =
			(__le16 *)status_blk.e2_sb->sb.running_index;
	} else {
		bnx2x_fp(bp, index, sb_index_values) =
			(__le16 *)status_blk.e1x_sb->sb.index_values;
		bnx2x_fp(bp, index, sb_running_index) =
			(__le16 *)status_blk.e1x_sb->sb.running_index;
	}
}

D
Dmitry Kravkov 已提交
5863
int bnx2x_alloc_mem(struct bnx2x *bp)
E
Eliezer Tamir 已提交
5864 5865 5866 5867
{

#define BNX2X_PCI_ALLOC(x, y, size) \
	do { \
5868
		x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
D
Dmitry Kravkov 已提交
5869 5870 5871 5872
		if (x == NULL) \
			goto alloc_mem_err; \
		memset(x, 0, size); \
	} while (0)
E
Eliezer Tamir 已提交
5873

D
Dmitry Kravkov 已提交
5874 5875
#define BNX2X_ALLOC(x, size) \
	do { \
5876
		x = kzalloc(size, GFP_KERNEL); \
D
Dmitry Kravkov 已提交
5877 5878 5879
		if (x == NULL) \
			goto alloc_mem_err; \
	} while (0)
E
Eliezer Tamir 已提交
5880

D
Dmitry Kravkov 已提交
5881
	int i;
E
Eliezer Tamir 已提交
5882

D
Dmitry Kravkov 已提交
5883 5884
	/* fastpath */
	/* Common */
E
Eliezer Tamir 已提交
5885
	for_each_queue(bp, i) {
D
Dmitry Kravkov 已提交
5886
		union host_hc_status_block *sb = &bnx2x_fp(bp, i, status_blk);
D
Dmitry Kravkov 已提交
5887 5888
		bnx2x_fp(bp, i, bp) = bp;
		/* status blocks */
D
Dmitry Kravkov 已提交
5889 5890 5891 5892 5893 5894
		if (CHIP_IS_E2(bp))
			BNX2X_PCI_ALLOC(sb->e2_sb,
				&bnx2x_fp(bp, i, status_blk_mapping),
				sizeof(struct host_hc_status_block_e2));
		else
			BNX2X_PCI_ALLOC(sb->e1x_sb,
D
Dmitry Kravkov 已提交
5895
				&bnx2x_fp(bp, i, status_blk_mapping),
5896 5897
				sizeof(struct host_hc_status_block_e1x));

D
Dmitry Kravkov 已提交
5898
		set_sb_shortcuts(bp, i);
E
Eliezer Tamir 已提交
5899
	}
D
Dmitry Kravkov 已提交
5900 5901
	/* Rx */
	for_each_queue(bp, i) {
E
Eliezer Tamir 已提交
5902

D
Dmitry Kravkov 已提交
5903 5904 5905 5906 5907 5908
		/* fastpath rx rings: rx_buf rx_desc rx_comp */
		BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring),
				sizeof(struct sw_rx_bd) * NUM_RX_BD);
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring),
				&bnx2x_fp(bp, i, rx_desc_mapping),
				sizeof(struct eth_rx_bd) * NUM_RX_BD);
E
Eilon Greenstein 已提交
5909

D
Dmitry Kravkov 已提交
5910 5911 5912 5913
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
				&bnx2x_fp(bp, i, rx_comp_mapping),
				sizeof(struct eth_fast_path_rx_cqe) *
				NUM_RCQ_BD);
E
Eliezer Tamir 已提交
5914

D
Dmitry Kravkov 已提交
5915 5916 5917 5918 5919 5920 5921 5922 5923
		/* SGE ring */
		BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring),
				sizeof(struct sw_rx_page) * NUM_RX_SGE);
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring),
				&bnx2x_fp(bp, i, rx_sge_mapping),
				BCM_PAGE_SIZE * NUM_RX_SGE_PAGES);
	}
	/* Tx */
	for_each_queue(bp, i) {
E
Eilon Greenstein 已提交
5924

D
Dmitry Kravkov 已提交
5925 5926 5927 5928 5929 5930
		/* fastpath tx rings: tx_buf tx_desc */
		BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring),
				sizeof(struct sw_tx_bd) * NUM_TX_BD);
		BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring),
				&bnx2x_fp(bp, i, tx_desc_mapping),
				sizeof(union eth_tx_bd_types) * NUM_TX_BD);
E
Eilon Greenstein 已提交
5931
	}
D
Dmitry Kravkov 已提交
5932
	/* end of fastpath */
E
Eilon Greenstein 已提交
5933

5934
#ifdef BCM_CNIC
D
Dmitry Kravkov 已提交
5935 5936 5937 5938 5939 5940
	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
5941

5942 5943 5944
	/* allocate searcher T2 table */
	BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, SRC_T2_SZ);
#endif
E
Eliezer Tamir 已提交
5945

E
Eilon Greenstein 已提交
5946

5947 5948
	BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
			sizeof(struct host_sp_status_block));
E
Eliezer Tamir 已提交
5949

5950 5951
	BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
			sizeof(struct bnx2x_slowpath));
E
Eliezer Tamir 已提交
5952

5953 5954 5955
	bp->context.size = sizeof(union cdu_context) * bp->l2_cid_count;
	BNX2X_PCI_ALLOC(bp->context.vcxt, &bp->context.cxt_mapping,
			bp->context.size);
5956

5957
	BNX2X_ALLOC(bp->ilt->lines, sizeof(struct ilt_line) * ILT_MAX_LINES);
5958

5959 5960
	if (bnx2x_ilt_mem_op(bp, ILT_MEMOP_ALLOC))
		goto alloc_mem_err;
5961

D
Dmitry Kravkov 已提交
5962 5963
	/* Slow path ring */
	BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE);
5964

5965 5966 5967
	/* EQ */
	BNX2X_PCI_ALLOC(bp->eq_ring, &bp->eq_mapping,
			BCM_PAGE_SIZE * NUM_EQ_PAGES);
D
Dmitry Kravkov 已提交
5968
	return 0;
E
Eilon Greenstein 已提交
5969

D
Dmitry Kravkov 已提交
5970 5971 5972
alloc_mem_err:
	bnx2x_free_mem(bp);
	return -ENOMEM;
E
Eilon Greenstein 已提交
5973

D
Dmitry Kravkov 已提交
5974 5975
#undef BNX2X_PCI_ALLOC
#undef BNX2X_ALLOC
5976 5977
}

E
Eliezer Tamir 已提交
5978 5979 5980
/*
 * Init service functions
 */
5981
int bnx2x_func_start(struct bnx2x *bp)
E
Eliezer Tamir 已提交
5982
{
5983
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, 0, 0, 1);
E
Eliezer Tamir 已提交
5984

5985 5986 5987 5988
	/* Wait for completion */
	return bnx2x_wait_ramrod(bp, BNX2X_STATE_FUNC_STARTED, 0, &(bp->state),
				 WAIT_RAMROD_COMMON);
}
E
Eliezer Tamir 已提交
5989

5990 5991 5992
int bnx2x_func_stop(struct bnx2x *bp)
{
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, 1);
E
Eliezer Tamir 已提交
5993

5994 5995 5996
	/* 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
5997 5998
}

5999
/**
6000
 * Sets a MAC in a CAM for a few L2 Clients for E1x chip
6001 6002 6003 6004 6005 6006
 *
 * @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
6007
 * @param is_bcast is the set MAC a broadcast address (for E1 only)
6008
 */
6009 6010 6011
static void bnx2x_set_mac_addr_gen(struct bnx2x *bp, int set, u8 *mac,
				      u32 cl_bit_vec, u8 cam_offset,
				      u8 is_bcast)
6012
{
6013 6014 6015 6016 6017 6018 6019
	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;
	smp_wmb();

E
Eilon Greenstein 已提交
6020
	config->hdr.length = 1;
6021 6022
	config->hdr.offset = cam_offset;
	config->hdr.client_id = 0xff;
6023 6024 6025 6026
	config->hdr.reserved1 = 0;

	/* primary MAC */
	config->config_table[0].msb_mac_addr =
6027
					swab16(*(u16 *)&mac[0]);
6028
	config->config_table[0].middle_mac_addr =
6029
					swab16(*(u16 *)&mac[2]);
6030
	config->config_table[0].lsb_mac_addr =
6031
					swab16(*(u16 *)&mac[4]);
E
Eilon Greenstein 已提交
6032
	config->config_table[0].clients_bit_vector =
6033
					cpu_to_le32(cl_bit_vec);
6034
	config->config_table[0].vlan_id = 0;
6035
	config->config_table[0].pf_id = BP_FUNC(bp);
6036
	if (set)
6037 6038 6039
		SET_FLAG(config->config_table[0].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_SET);
6040
	else
6041 6042 6043
		SET_FLAG(config->config_table[0].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_INVALIDATE);
6044

6045 6046 6047 6048 6049
	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",
6050
	   (set ? "setting" : "clearing"),
6051 6052
	   config->config_table[0].msb_mac_addr,
	   config->config_table[0].middle_mac_addr,
6053
	   config->config_table[0].lsb_mac_addr, BP_FUNC(bp), cl_bit_vec);
6054

6055
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
6056
		      U64_HI(bnx2x_sp_mapping(bp, mac_config)),
6057 6058 6059 6060
		      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);
6061 6062
}

6063 6064 6065

int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
			     int *state_p, int flags)
E
Eliezer Tamir 已提交
6066 6067
{
	/* can take a while if any port is running */
E
Eilon Greenstein 已提交
6068
	int cnt = 5000;
6069 6070
	u8 poll = flags & WAIT_RAMROD_POLL;
	u8 common = flags & WAIT_RAMROD_COMMON;
E
Eliezer Tamir 已提交
6071

E
Eliezer Tamir 已提交
6072 6073
	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
6074 6075

	might_sleep();
6076
	while (cnt--) {
E
Eliezer Tamir 已提交
6077
		if (poll) {
6078 6079 6080 6081 6082 6083 6084 6085 6086 6087 6088
			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
6089 6090
		}

6091
		mb(); /* state is changed by bnx2x_sp_event() */
E
Eilon Greenstein 已提交
6092 6093 6094 6095
		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
6096
			return 0;
E
Eilon Greenstein 已提交
6097
		}
E
Eliezer Tamir 已提交
6098 6099

		msleep(1);
6100 6101 6102

		if (bp->panic)
			return -EIO;
E
Eliezer Tamir 已提交
6103 6104 6105
	}

	/* timeout! */
6106 6107
	BNX2X_ERR("timeout %s for state %x on IDX [%d]\n",
		  poll ? "polling" : "waiting", state, idx);
6108 6109 6110
#ifdef BNX2X_STOP_ON_ERROR
	bnx2x_panic();
#endif
E
Eliezer Tamir 已提交
6111

6112
	return -EBUSY;
E
Eliezer Tamir 已提交
6113 6114
}

6115
u8 bnx2x_e1h_cam_offset(struct bnx2x *bp, u8 rel_offset)
6116
{
D
Dmitry Kravkov 已提交
6117 6118 6119 6120 6121 6122
	if (CHIP_IS_E1H(bp))
		return E1H_FUNC_MAX * rel_offset + BP_FUNC(bp);
	else if (CHIP_MODE_IS_4_PORT(bp))
		return BP_FUNC(bp) * 32  + rel_offset;
	else
		return BP_VN(bp) * 32  + rel_offset;
6123 6124 6125 6126 6127 6128
}

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));
6129

6130 6131 6132
	/* networking  MAC */
	bnx2x_set_mac_addr_gen(bp, set, bp->dev->dev_addr,
			       (1 << bp->fp->cl_id), cam_offset , 0);
6133

6134 6135 6136 6137 6138
	if (CHIP_IS_E1(bp)) {
		/* broadcast MAC */
		u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
		bnx2x_set_mac_addr_gen(bp, set, bcast, 0, cam_offset + 1, 1);
	}
6139
}
6140 6141 6142 6143 6144 6145 6146 6147 6148 6149 6150 6151 6152 6153 6154 6155
static void bnx2x_set_e1_mc_list(struct bnx2x *bp, u8 offset)
{
	int i = 0, old;
	struct net_device *dev = bp->dev;
	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);

	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]);
6156

6157 6158 6159 6160 6161 6162 6163 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
		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);
		}
	}

	config_cmd->hdr.length = i;
	config_cmd->hdr.offset = offset;
	config_cmd->hdr.client_id = 0xff;
	config_cmd->hdr.reserved1 = 0;

	bp->set_mac_pending = 1;
	smp_wmb();

	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
		   U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
}
static void bnx2x_invlidate_e1_mc_list(struct bnx2x *bp)
6200
{
6201 6202 6203 6204 6205 6206
	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;

	bp->set_mac_pending = 1;
6207 6208
	smp_wmb();

6209 6210 6211 6212 6213 6214 6215
	for (i = 0; i < config_cmd->hdr.length; i++)
		SET_FLAG(config_cmd->config_table[i].flags,
			MAC_CONFIGURATION_ENTRY_ACTION_TYPE,
			T_ETH_MAC_COMMAND_INVALIDATE);

	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
		      U64_HI(config_cmd_map), U64_LO(config_cmd_map), 1);
6216 6217

	/* Wait for a completion */
6218 6219 6220
	bnx2x_wait_ramrod(bp, 0, 0, &bp->set_mac_pending,
				ramrod_flags);

6221 6222
}

6223

6224 6225 6226 6227 6228 6229 6230 6231 6232 6233 6234
#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.
 */
D
Dmitry Kravkov 已提交
6235
int bnx2x_set_iscsi_eth_mac_addr(struct bnx2x *bp, int set)
6236
{
6237 6238 6239 6240
	u8 cam_offset = (CHIP_IS_E1(bp) ? ((BP_PORT(bp) ? 32 : 0) + 2) :
			 bnx2x_e1h_cam_offset(bp, CAM_ISCSI_ETH_LINE));
	u32 iscsi_l2_cl_id = BNX2X_ISCSI_ETH_CL_ID;
	u32 cl_bit_vec = (1 << iscsi_l2_cl_id);
6241 6242

	/* Send a SET_MAC ramrod */
6243 6244
	bnx2x_set_mac_addr_gen(bp, set, bp->iscsi_mac, cl_bit_vec,
			       cam_offset, 0);
6245 6246 6247 6248
	return 0;
}
#endif

6249 6250 6251 6252 6253 6254 6255 6256 6257 6258 6259 6260 6261 6262 6263 6264 6265 6266 6267 6268 6269 6270 6271 6272 6273 6274 6275 6276 6277 6278 6279 6280 6281 6282 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 6315 6316 6317 6318 6319 6320 6321 6322 6323 6324 6325 6326 6327 6328 6329 6330 6331 6332 6333 6334 6335 6336 6337 6338 6339 6340 6341 6342 6343 6344 6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 6355 6356 6357 6358 6359 6360 6361 6362 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
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;
	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;
	data->fc.traffic_type = LLFC_TRAFFIC_TYPE_NW;
}

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);
}

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)
{
	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
6399 6400


6401 6402
	bnx2x_sp_post(bp, ramrod, params->ramrod_params.cid,
		      U64_HI(data_mapping), U64_LO(data_mapping), 0);
E
Eliezer Tamir 已提交
6403

6404
	/* Wait for completion */
6405 6406 6407 6408
	rc = bnx2x_wait_ramrod(bp, params->ramrod_params.state,
				 params->ramrod_params.index,
				 params->ramrod_params.pstate,
				 ramrod_flags);
6409
	return rc;
E
Eliezer Tamir 已提交
6410 6411
}

D
Dmitry Kravkov 已提交
6412
void bnx2x_set_num_queues_msix(struct bnx2x *bp)
E
Eilon Greenstein 已提交
6413 6414 6415 6416
{

	switch (bp->multi_mode) {
	case ETH_RSS_MODE_DISABLED:
6417
		bp->num_queues = 1;
E
Eilon Greenstein 已提交
6418 6419 6420
		break;

	case ETH_RSS_MODE_REGULAR:
6421 6422 6423
		if (num_queues)
			bp->num_queues = min_t(u32, num_queues,
						  BNX2X_MAX_QUEUES(bp));
E
Eilon Greenstein 已提交
6424
		else
6425 6426
			bp->num_queues = min_t(u32, num_online_cpus(),
						  BNX2X_MAX_QUEUES(bp));
E
Eilon Greenstein 已提交
6427 6428 6429 6430
		break;


	default:
6431
		bp->num_queues = 1;
D
Dmitry Kravkov 已提交
6432 6433
		break;
	}
E
Eliezer Tamir 已提交
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 6472 6473 6474 6475 6476 6477 6478 6479 6480 6481 6482 6483 6484 6485 6486 6487 6488 6489 6490 6491 6492 6493 6494 6495 6496 6497 6498 6499 6500 6501 6502 6503 6504 6505 6506 6507 6508
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
6509

6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526
	/* 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
6527

6528 6529 6530 6531 6532 6533
#else
	ilt_client->flags = (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM);
#endif
}
int bnx2x_setup_client(struct bnx2x *bp, struct bnx2x_fastpath *fp,
		       int is_leading)
E
Eliezer Tamir 已提交
6534
{
6535
	struct bnx2x_client_init_params params = { {0} };
E
Eliezer Tamir 已提交
6536 6537
	int rc;

6538 6539
	bnx2x_ack_sb(bp, fp->igu_sb_id, USTORM_ID, 0,
			     IGU_INT_ENABLE, 0);
E
Eliezer Tamir 已提交
6540

6541 6542 6543 6544
	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
6545

6546 6547
	if (is_leading)
		params.ramrod_params.flags |= CLIENT_IS_LEADING_RSS;
E
Eliezer Tamir 已提交
6548

6549 6550 6551 6552 6553 6554 6555
	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));
6556
	return rc;
E
Eliezer Tamir 已提交
6557 6558
}

6559
int bnx2x_stop_fw_client(struct bnx2x *bp, struct bnx2x_client_ramrod_params *p)
E
Eliezer Tamir 已提交
6560
{
6561
	int rc;
E
Eliezer Tamir 已提交
6562

6563
	int poll_flag = p->poll ? WAIT_RAMROD_POLL : 0;
E
Eliezer Tamir 已提交
6564

6565 6566 6567 6568
	/* 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
6569

6570
	/* Wait for completion */
6571 6572
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, p->index,
			       p->pstate, poll_flag);
6573
	if (rc) /* timeout */
6574
		return rc;
E
Eliezer Tamir 已提交
6575

6576 6577 6578 6579 6580 6581 6582 6583
	*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
6584 6585


6586 6587
	/* delete cfc entry */
	bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, p->cid, 0, 0, 1);
6588

6589 6590 6591
	/* Wait for completion */
	rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, p->index,
			       p->pstate, WAIT_RAMROD_COMMON);
6592
	return rc;
E
Eliezer Tamir 已提交
6593 6594
}

6595 6596 6597 6598 6599 6600 6601 6602 6603 6604 6605 6606 6607 6608 6609
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);
}


6610 6611 6612 6613
static void bnx2x_reset_func(struct bnx2x *bp)
{
	int port = BP_PORT(bp);
	int func = BP_FUNC(bp);
D
Dmitry Kravkov 已提交
6614
	int i;
6615
	int pfunc_offset_fp = offsetof(struct hc_sb_data, p_func) +
D
Dmitry Kravkov 已提交
6616 6617 6618
			(CHIP_IS_E2(bp) ?
			 offsetof(struct hc_status_block_data_e2, common) :
			 offsetof(struct hc_status_block_data_e1x, common));
6619 6620 6621 6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632 6633 6634 6635 6636 6637 6638 6639 6640 6641 6642 6643 6644 6645 6646 6647 6648
	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 */
	for_each_queue(bp, i) {
		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);
6649 6650

	/* Configure IGU */
D
Dmitry Kravkov 已提交
6651 6652 6653 6654 6655 6656 6657
	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);
	}
6658

6659 6660 6661 6662 6663 6664 6665 6666 6667 6668 6669 6670 6671
#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
6672
	/* Clear ILT */
D
Dmitry Kravkov 已提交
6673 6674 6675 6676 6677 6678 6679 6680 6681 6682 6683 6684 6685 6686 6687 6688 6689 6690 6691
	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);
6692 6693

	bp->dmae_ready = 0;
6694 6695 6696 6697 6698 6699 6700 6701 6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716
}

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
6717
		   "BRB1 is not empty  %d blocks are occupied\n", val);
6718 6719 6720 6721 6722 6723 6724

	/* 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
6725
	   BP_ABS_FUNC(bp), reset_code);
6726 6727 6728 6729 6730 6731 6732 6733 6734 6735 6736 6737 6738 6739 6740 6741

	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;
6742

6743 6744 6745 6746 6747 6748
	default:
		BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code);
		break;
	}
}

D
Dmitry Kravkov 已提交
6749
void bnx2x_chip_cleanup(struct bnx2x *bp, int unload_mode)
E
Eliezer Tamir 已提交
6750
{
6751
	int port = BP_PORT(bp);
E
Eliezer Tamir 已提交
6752
	u32 reset_code = 0;
6753
	int i, cnt, rc;
E
Eliezer Tamir 已提交
6754

E
Eilon Greenstein 已提交
6755
	/* Wait until tx fastpath tasks complete */
6756
	for_each_queue(bp, i) {
6757 6758
		struct bnx2x_fastpath *fp = &bp->fp[i];

6759
		cnt = 1000;
6760
		while (bnx2x_has_tx_work_unload(fp)) {
6761

6762 6763 6764 6765 6766 6767 6768 6769 6770 6771 6772
			if (!cnt) {
				BNX2X_ERR("timeout waiting for queue[%d]\n",
					  i);
#ifdef BNX2X_STOP_ON_ERROR
				bnx2x_panic();
				return -EBUSY;
#else
				break;
#endif
			}
			cnt--;
6773
			msleep(1);
6774
		}
6775
	}
6776 6777
	/* Give HW time to discard old tx messages */
	msleep(1);
E
Eliezer Tamir 已提交
6778

6779
	if (CHIP_IS_E1(bp)) {
6780 6781 6782 6783 6784
		/* invalidate mc list,
		 * wait and poll (interrupts are off)
		 */
		bnx2x_invlidate_e1_mc_list(bp);
		bnx2x_set_eth_mac(bp, 0);
6785

6786
	} else {
6787 6788
		REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0);

6789
		bnx2x_set_eth_mac(bp, 0);
6790 6791 6792 6793

		for (i = 0; i < MC_HASH_SIZE; i++)
			REG_WR(bp, MC_HASH_OFFSET(bp, i), 0);
	}
6794

6795 6796 6797 6798 6799 6800 6801 6802 6803
#ifdef BCM_CNIC
	/* Clear iSCSI L2 MAC */
	mutex_lock(&bp->cnic_mutex);
	if (bp->cnic_flags & BNX2X_CNIC_FLAG_MAC_SET) {
		bnx2x_set_iscsi_eth_mac_addr(bp, 0);
		bp->cnic_flags &= ~BNX2X_CNIC_FLAG_MAC_SET;
	}
	mutex_unlock(&bp->cnic_mutex);
#endif
6804

6805 6806 6807
	if (unload_mode == UNLOAD_NORMAL)
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

6808
	else if (bp->flags & NO_WOL_FLAG)
6809 6810
		reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;

6811
	else if (bp->wol) {
6812 6813 6814 6815 6816 6817 6818 6819 6820 6821 6822 6823 6824 6825 6826 6827 6828 6829
		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;
6830

6831 6832
	/* Close multi and leading connections
	   Completions for ramrods are collected in a synchronous way */
6833 6834 6835 6836 6837 6838
	for_each_queue(bp, i)

		if (bnx2x_stop_client(bp, i))
#ifdef BNX2X_STOP_ON_ERROR
			return;
#else
6839
			goto unload_error;
6840
#endif
E
Eliezer Tamir 已提交
6841

6842
	rc = bnx2x_func_stop(bp);
6843
	if (rc) {
6844
		BNX2X_ERR("Function stop failed!\n");
6845
#ifdef BNX2X_STOP_ON_ERROR
6846
		return;
6847 6848
#else
		goto unload_error;
6849
#endif
6850
	}
6851
#ifndef BNX2X_STOP_ON_ERROR
6852
unload_error:
6853
#endif
6854
	if (!BP_NOMCP(bp))
Y
Yaniv Rosner 已提交
6855
		reset_code = bnx2x_fw_command(bp, reset_code, 0);
6856
	else {
D
Dmitry Kravkov 已提交
6857 6858 6859 6860 6861 6862 6863 6864 6865 6866 6867 6868
		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)
6869
			reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON;
D
Dmitry Kravkov 已提交
6870
		else if (load_count[BP_PATH(bp)][1 + port] == 0)
6871 6872 6873 6874
			reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT;
		else
			reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION;
	}
E
Eliezer Tamir 已提交
6875

6876 6877 6878
	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
6879

6880 6881 6882 6883 6884 6885
	/* Disable HW interrupts, NAPI */
	bnx2x_netif_stop(bp, 1);

	/* Release IRQs */
	bnx2x_free_irq(bp, false);

E
Eliezer Tamir 已提交
6886
	/* Reset the chip */
6887
	bnx2x_reset_chip(bp, reset_code);
E
Eliezer Tamir 已提交
6888 6889

	/* Report UNLOAD_DONE to MCP */
6890
	if (!BP_NOMCP(bp))
Y
Yaniv Rosner 已提交
6891
		bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
E
Eilon Greenstein 已提交
6892

6893 6894
}

D
Dmitry Kravkov 已提交
6895
void bnx2x_disable_close_the_gate(struct bnx2x *bp)
6896 6897 6898 6899 6900 6901 6902 6903 6904 6905 6906 6907 6908 6909 6910 6911 6912 6913 6914 6915 6916 6917 6918 6919 6920 6921 6922 6923 6924 6925 6926 6927 6928 6929 6930 6931 6932 6933 6934 6935 6936 6937 6938 6939 6940 6941 6942 6943 6944 6945 6946 6947 6948 6949 6950 6951 6952 6953 6954 6955 6956 6957 6958 6959 6960 6961 6962 6963 6964 6965 6966 6967 6968 6969 6970 6971 6972 6973 6974 6975 6976 6977 6978 6979 6980 6981 6982 6983 6984 6985 6986 6987 6988 6989 6990 6991 6992 6993 6994 6995 6996 6997 6998 6999 7000 7001 7002 7003 7004 7005 7006 7007 7008 7009 7010 7011 7012 7013 7014 7015 7016 7017 7018 7019 7020 7021 7022 7023 7024 7025 7026 7027 7028 7029 7030 7031 7032 7033 7034 7035 7036 7037 7038 7039 7040 7041 7042 7043 7044 7045 7046 7047 7048 7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062 7063 7064 7065 7066 7067 7068 7069 7070 7071 7072 7073 7074 7075 7076 7077 7078 7079 7080 7081 7082 7083 7084 7085 7086 7087 7088 7089 7090 7091 7092 7093 7094 7095 7096 7097 7098 7099 7100 7101 7102 7103 7104 7105 7106 7107 7108 7109 7110 7111 7112 7113 7114 7115 7116 7117 7118 7119 7120 7121 7122 7123 7124 7125 7126 7127 7128 7129 7130 7131 7132 7133 7134 7135 7136 7137 7138 7139 7140 7141 7142 7143 7144 7145 7146 7147 7148 7149 7150 7151 7152 7153 7154 7155 7156 7157 7158 7159 7160 7161 7162 7163 7164 7165 7166 7167 7168 7169 7170 7171 7172 7173 7174 7175 7176 7177 7178 7179 7180 7181 7182 7183 7184 7185 7186 7187 7188 7189 7190 7191 7192 7193 7194 7195 7196 7197 7198 7199 7200 7201 7202 7203
{
	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 = SHMEM_RD(bp, mf_cfg.shared_mf_config.clp_mb);
	SHMEM_WR(bp, mf_cfg.shared_mf_config.clp_mb,
		(val & (~SHARED_MF_CLP_MAGIC)) | magic_val); */
	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);
}

/* Prepares for MCP reset: takes care of CLP configurations.
 *
 * @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
7204 7205 7206
	return 0;
}

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 7246 7247 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
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.
 */
7336 7337
static void bnx2x_reset_task(struct work_struct *work)
{
7338
	struct bnx2x *bp = container_of(work, struct bnx2x, reset_task.work);
7339 7340 7341 7342

#ifdef BNX2X_STOP_ON_ERROR
	BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
		  " so reset not done to allow debug dump,\n"
7343
	 KERN_ERR " you will need to reboot when done\n");
7344 7345 7346 7347 7348 7349 7350 7351
	return;
#endif

	rtnl_lock();

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

7352 7353 7354 7355 7356 7357
	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);
	}
7358 7359 7360 7361 7362

reset_task_exit:
	rtnl_unlock();
}

E
Eliezer Tamir 已提交
7363 7364 7365 7366 7367 7368
/* end of nic load/unload */

/*
 * Init service functions
 */

D
Dmitry Kravkov 已提交
7369 7370 7371 7372 7373
u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
{
	u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
	u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
	return base + (BP_ABS_FUNC(bp)) * stride;
7374 7375
}

D
Dmitry Kravkov 已提交
7376
static void bnx2x_undi_int_disable_e1h(struct bnx2x *bp)
7377
{
D
Dmitry Kravkov 已提交
7378
	u32 reg = bnx2x_get_pretend_reg(bp);
7379 7380 7381 7382 7383 7384

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

	/* Pretend to be function 0 */
	REG_WR(bp, reg, 0);
D
Dmitry Kravkov 已提交
7385
	REG_RD(bp, reg);	/* Flush the GRC transaction (in the chip) */
7386 7387 7388 7389 7390 7391 7392

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

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

D
Dmitry Kravkov 已提交
7393 7394 7395
	/* Restore the original function */
	REG_WR(bp, reg, BP_ABS_FUNC(bp));
	REG_RD(bp, reg);
7396 7397
}

D
Dmitry Kravkov 已提交
7398
static inline void bnx2x_undi_int_disable(struct bnx2x *bp)
7399
{
D
Dmitry Kravkov 已提交
7400
	if (CHIP_IS_E1(bp))
7401
		bnx2x_int_disable(bp);
D
Dmitry Kravkov 已提交
7402 7403
	else
		bnx2x_undi_int_disable_e1h(bp);
7404 7405
}

7406 7407 7408 7409 7410 7411 7412 7413 7414 7415
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
7416
		bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7417 7418 7419
		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
7420 7421
			/* save our pf_num */
			int orig_pf_num = bp->pf_num;
7422 7423
			u32 swap_en;
			u32 swap_val;
7424

7425 7426 7427
			/* clear the UNDI indication */
			REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0);

7428 7429 7430
			BNX2X_DEV_INFO("UNDI is active! reset device\n");

			/* try unload UNDI on port 0 */
D
Dmitry Kravkov 已提交
7431
			bp->pf_num = 0;
7432
			bp->fw_seq =
D
Dmitry Kravkov 已提交
7433
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7434
				DRV_MSG_SEQ_NUMBER_MASK);
Y
Yaniv Rosner 已提交
7435
			reset_code = bnx2x_fw_command(bp, reset_code, 0);
7436 7437 7438 7439

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

7440
				/* send "DONE" for previous unload */
Y
Yaniv Rosner 已提交
7441 7442
				bnx2x_fw_command(bp,
						 DRV_MSG_CODE_UNLOAD_DONE, 0);
7443 7444

				/* unload UNDI on port 1 */
D
Dmitry Kravkov 已提交
7445
				bp->pf_num = 1;
7446
				bp->fw_seq =
D
Dmitry Kravkov 已提交
7447
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7448 7449 7450
					DRV_MSG_SEQ_NUMBER_MASK);
				reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;

Y
Yaniv Rosner 已提交
7451
				bnx2x_fw_command(bp, reset_code, 0);
7452 7453
			}

7454 7455 7456
			/* now it's safe to release the lock */
			bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);

D
Dmitry Kravkov 已提交
7457
			bnx2x_undi_int_disable(bp);
7458 7459 7460 7461 7462 7463 7464 7465 7466 7467 7468 7469 7470 7471 7472 7473 7474 7475 7476 7477

			/* 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);
7478 7479 7480
			/* reset device */
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR,
7481
			       0xd3ffffff);
7482 7483 7484
			REG_WR(bp,
			       GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR,
			       0x1403);
7485 7486 7487 7488 7489 7490 7491 7492
			/* 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
7493
			bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE, 0);
7494 7495

			/* restore our func and fw_seq */
D
Dmitry Kravkov 已提交
7496
			bp->pf_num = orig_pf_num;
7497
			bp->fw_seq =
D
Dmitry Kravkov 已提交
7498
			      (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) &
7499
				DRV_MSG_SEQ_NUMBER_MASK);
7500 7501 7502

		} else
			bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI);
7503 7504 7505 7506 7507 7508
	}
}

static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp)
{
	u32 val, val2, val3, val4, id;
E
Eilon Greenstein 已提交
7509
	u16 pmc;
7510 7511 7512 7513 7514 7515 7516 7517 7518

	/* 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
7519
	val = REG_RD(bp, MISC_REG_BOND_ID);
7520 7521
	id |= (val & 0xf);
	bp->common.chip_id = id;
7522 7523 7524 7525

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

D
Dmitry Kravkov 已提交
7526 7527 7528 7529 7530 7531 7532 7533 7534 7535 7536 7537 7538 7539 7540 7541 7542 7543 7544 7545
	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 */
	}

7546 7547 7548 7549 7550
	/*
	 * 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
7551 7552 7553 7554 7555 7556 7557
	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);
7558

7559 7560 7561 7562 7563 7564 7565
	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");
	}

7566 7567 7568 7569 7570 7571 7572
	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
7573 7574 7575
	bp->common.shmem2_base = REG_RD(bp, (BP_PATH(bp) ?
					MISC_REG_GENERIC_CR_1 :
					MISC_REG_GENERIC_CR_0));
7576
	bp->link_params.shmem_base = bp->common.shmem_base;
Y
Yaniv Rosner 已提交
7577
	bp->link_params.shmem2_base = bp->common.shmem2_base;
7578 7579
	BNX2X_DEV_INFO("shmem offset 0x%x  shmem2 offset 0x%x\n",
		       bp->common.shmem_base, bp->common.shmem2_base);
7580

D
Dmitry Kravkov 已提交
7581
	if (!bp->common.shmem_base) {
7582 7583 7584 7585 7586 7587 7588 7589
		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
7590
		BNX2X_ERR("BAD MCP validity signature\n");
7591 7592

	bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
7593
	BNX2X_DEV_INFO("hw_config 0x%08x\n", bp->common.hw_config);
7594 7595 7596 7597 7598

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

7599 7600 7601 7602 7603 7604 7605 7606 7607
	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;

7608 7609 7610 7611 7612 7613
	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
7614 7615
		BNX2X_ERR("This driver needs bc_ver %X but found %X, "
			  "please upgrade BC\n", BNX2X_BC_VER, val);
7616
	}
E
Eilon Greenstein 已提交
7617
	bp->link_params.feature_config_flags |=
Y
Yaniv Rosner 已提交
7618
				(val >= REQ_BC_VER_4_VRFY_FIRST_PHY_OPT_MDL) ?
E
Eilon Greenstein 已提交
7619
		FEATURE_CONFIG_BC_SUPPORTS_OPT_MDL_VRFY : 0;
Y
Yaniv Rosner 已提交
7620 7621 7622
	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
7623 7624 7625 7626 7627 7628 7629 7630 7631

	if (BP_E1HVN(bp) == 0) {
		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;
	} else {
		/* no WOL capability for E1HVN != 0 */
		bp->flags |= NO_WOL_FLAG;
	}
	BNX2X_DEV_INFO("%sWoL capable\n",
E
Eilon Greenstein 已提交
7632
		       (bp->flags & NO_WOL_FLAG) ? "not " : "");
7633 7634 7635 7636 7637 7638

	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
7639 7640
	dev_info(&bp->pdev->dev, "part number %X-%X-%X-%X\n",
		 val, val2, val3, val4);
7641 7642
}

D
Dmitry Kravkov 已提交
7643 7644 7645 7646 7647 7648 7649 7650 7651 7652 7653 7654 7655 7656 7657 7658 7659 7660 7661 7662 7663 7664 7665 7666 7667 7668 7669 7670 7671 7672 7673 7674 7675 7676 7677 7678 7679 7680 7681 7682 7683 7684 7685 7686 7687 7688 7689 7690 7691 7692 7693
#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,
				       bp->l2_cid_count);

		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++;
			}
		}
	}
	bp->igu_sb_cnt = min_t(u8, bp->igu_sb_cnt, bp->l2_cid_count);
	if (bp->igu_sb_cnt == 0)
		BNX2X_ERR("CAM configuration error\n");
}

7694 7695
static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp,
						    u32 switch_cfg)
E
Eliezer Tamir 已提交
7696
{
Y
Yaniv Rosner 已提交
7697 7698 7699 7700 7701
	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
7702 7703
	switch (bp->link_params.num_phys) {
	case 1:
Y
Yaniv Rosner 已提交
7704 7705 7706
		bp->port.supported[0] = bp->link_params.phy[INT_PHY].supported;
		cfg_size = 1;
		break;
Y
Yaniv Rosner 已提交
7707
	case 2:
Y
Yaniv Rosner 已提交
7708 7709 7710 7711 7712 7713 7714 7715 7716 7717 7718 7719 7720 7721 7722 7723 7724 7725
		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
7726
	}
E
Eliezer Tamir 已提交
7727

Y
Yaniv Rosner 已提交
7728
	if (!(bp->port.supported[0] || bp->port.supported[1])) {
Y
Yaniv Rosner 已提交
7729
		BNX2X_ERR("NVRAM config error. BAD phy config."
Y
Yaniv Rosner 已提交
7730
			  "PHY1 config 0x%x, PHY2 config 0x%x\n",
Y
Yaniv Rosner 已提交
7731
			   SHMEM_RD(bp,
Y
Yaniv Rosner 已提交
7732 7733 7734
			   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
7735 7736 7737
			return;
		}

Y
Yaniv Rosner 已提交
7738 7739
	switch (switch_cfg) {
	case SWITCH_CFG_1G:
7740 7741 7742
		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
7743 7744 7745
		break;

	case SWITCH_CFG_10G:
7746 7747 7748
		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
7749 7750 7751 7752 7753

		break;

	default:
		BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
Y
Yaniv Rosner 已提交
7754
			  bp->port.link_config[0]);
E
Eliezer Tamir 已提交
7755 7756
		return;
	}
Y
Yaniv Rosner 已提交
7757 7758 7759
	/* 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
7760
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF))
Y
Yaniv Rosner 已提交
7761
			bp->port.supported[idx] &= ~SUPPORTED_10baseT_Half;
E
Eliezer Tamir 已提交
7762

Y
Yaniv Rosner 已提交
7763
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
7764
				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL))
Y
Yaniv Rosner 已提交
7765
			bp->port.supported[idx] &= ~SUPPORTED_10baseT_Full;
E
Eliezer Tamir 已提交
7766

Y
Yaniv Rosner 已提交
7767
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
7768
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))
Y
Yaniv Rosner 已提交
7769
			bp->port.supported[idx] &= ~SUPPORTED_100baseT_Half;
E
Eliezer Tamir 已提交
7770

Y
Yaniv Rosner 已提交
7771
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
7772
				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL))
Y
Yaniv Rosner 已提交
7773
			bp->port.supported[idx] &= ~SUPPORTED_100baseT_Full;
E
Eliezer Tamir 已提交
7774

Y
Yaniv Rosner 已提交
7775
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
7776
					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G))
Y
Yaniv Rosner 已提交
7777
			bp->port.supported[idx] &= ~(SUPPORTED_1000baseT_Half |
7778
					SUPPORTED_1000baseT_Full);
E
Eliezer Tamir 已提交
7779

Y
Yaniv Rosner 已提交
7780
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
7781
					PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G))
Y
Yaniv Rosner 已提交
7782
			bp->port.supported[idx] &= ~SUPPORTED_2500baseX_Full;
E
Eliezer Tamir 已提交
7783

Y
Yaniv Rosner 已提交
7784
		if (!(bp->link_params.speed_cap_mask[idx] &
Y
Yaniv Rosner 已提交
7785
					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G))
Y
Yaniv Rosner 已提交
7786 7787 7788
			bp->port.supported[idx] &= ~SUPPORTED_10000baseT_Full;

	}
E
Eliezer Tamir 已提交
7789

Y
Yaniv Rosner 已提交
7790 7791
	BNX2X_DEV_INFO("supported 0x%x 0x%x\n", bp->port.supported[0],
		       bp->port.supported[1]);
E
Eliezer Tamir 已提交
7792 7793
}

7794
static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp)
E
Eliezer Tamir 已提交
7795
{
Y
Yaniv Rosner 已提交
7796 7797 7798 7799 7800 7801 7802 7803 7804 7805 7806 7807 7808 7809 7810 7811
	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) {
E
Eliezer Tamir 已提交
7812
	case PORT_FEATURE_LINK_SPEED_AUTO:
Y
Yaniv Rosner 已提交
7813 7814 7815 7816 7817
			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];
E
Eliezer Tamir 已提交
7818
		} else {
Y
Yaniv Rosner 已提交
7819 7820 7821 7822 7823
			/* force 10G, no AN */
				bp->link_params.req_line_speed[idx] =
					SPEED_10000;
				bp->port.advertising[idx] |=
					(ADVERTISED_10000baseT_Full |
E
Eliezer Tamir 已提交
7824
						 ADVERTISED_FIBRE);
Y
Yaniv Rosner 已提交
7825
				continue;
E
Eliezer Tamir 已提交
7826 7827 7828 7829
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10M_FULL:
Y
Yaniv Rosner 已提交
7830 7831 7832 7833 7834
			if (bp->port.supported[idx] & SUPPORTED_10baseT_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_10;
				bp->port.advertising[idx] |=
					(ADVERTISED_10baseT_Full |
7835
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7836
		} else {
V
Vladislav Zolotarov 已提交
7837 7838 7839
			BNX2X_ERROR("NVRAM config error. "
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
7840 7841
				    link_config,
				    bp->link_params.speed_cap_mask[idx]);
E
Eliezer Tamir 已提交
7842 7843 7844 7845 7846
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_10M_HALF:
Y
Yaniv Rosner 已提交
7847 7848 7849 7850 7851 7852 7853
			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 |
7854
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7855
		} else {
V
Vladislav Zolotarov 已提交
7856 7857 7858
			BNX2X_ERROR("NVRAM config error. "
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
7859 7860
				    link_config,
				    bp->link_params.speed_cap_mask[idx]);
E
Eliezer Tamir 已提交
7861 7862 7863 7864 7865
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_100M_FULL:
Y
Yaniv Rosner 已提交
7866 7867 7868 7869 7870
			if (bp->port.supported[idx] & SUPPORTED_100baseT_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_100;
				bp->port.advertising[idx] |=
					(ADVERTISED_100baseT_Full |
7871
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7872
		} else {
V
Vladislav Zolotarov 已提交
7873 7874 7875
			BNX2X_ERROR("NVRAM config error. "
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
7876 7877
				    link_config,
				    bp->link_params.speed_cap_mask[idx]);
E
Eliezer Tamir 已提交
7878 7879 7880 7881 7882
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_100M_HALF:
Y
Yaniv Rosner 已提交
7883 7884 7885 7886 7887
			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;
				bp->port.advertising[idx] |=
					(ADVERTISED_100baseT_Half |
7888
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7889
		} else {
V
Vladislav Zolotarov 已提交
7890 7891 7892
			BNX2X_ERROR("NVRAM config error. "
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
7893 7894
				    link_config,
				    bp->link_params.speed_cap_mask[idx]);
E
Eliezer Tamir 已提交
7895 7896 7897 7898 7899
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_1G:
Y
Yaniv Rosner 已提交
7900 7901 7902 7903 7904 7905
			if (bp->port.supported[idx] &
			    SUPPORTED_1000baseT_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_1000;
				bp->port.advertising[idx] |=
					(ADVERTISED_1000baseT_Full |
7906
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7907
		} else {
V
Vladislav Zolotarov 已提交
7908 7909 7910
			BNX2X_ERROR("NVRAM config error. "
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
7911 7912
				    link_config,
				    bp->link_params.speed_cap_mask[idx]);
E
Eliezer Tamir 已提交
7913 7914 7915 7916 7917
			return;
		}
		break;

	case PORT_FEATURE_LINK_SPEED_2_5G:
Y
Yaniv Rosner 已提交
7918 7919 7920 7921 7922 7923
			if (bp->port.supported[idx] &
			    SUPPORTED_2500baseX_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_2500;
				bp->port.advertising[idx] |=
					(ADVERTISED_2500baseX_Full |
7924
						ADVERTISED_TP);
E
Eliezer Tamir 已提交
7925
		} else {
V
Vladislav Zolotarov 已提交
7926 7927 7928
			BNX2X_ERROR("NVRAM config error. "
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
7929 7930
				    link_config,
				     bp->link_params.speed_cap_mask[idx]);
E
Eliezer Tamir 已提交
7931 7932 7933 7934 7935 7936 7937
			return;
		}
		break;

	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
7938 7939 7940 7941 7942 7943
			if (bp->port.supported[idx] &
			    SUPPORTED_10000baseT_Full) {
				bp->link_params.req_line_speed[idx] =
					SPEED_10000;
				bp->port.advertising[idx] |=
					(ADVERTISED_10000baseT_Full |
7944
						ADVERTISED_FIBRE);
E
Eliezer Tamir 已提交
7945
		} else {
V
Vladislav Zolotarov 已提交
7946 7947 7948
			BNX2X_ERROR("NVRAM config error. "
				    "Invalid link_config 0x%x"
				    "  speed_cap_mask 0x%x\n",
Y
Yaniv Rosner 已提交
7949 7950
				    link_config,
				     bp->link_params.speed_cap_mask[idx]);
E
Eliezer Tamir 已提交
7951 7952 7953 7954 7955
			return;
		}
		break;

	default:
V
Vladislav Zolotarov 已提交
7956 7957
		BNX2X_ERROR("NVRAM config error. "
			    "BAD link speed link_config 0x%x\n",
Y
Yaniv Rosner 已提交
7958 7959 7960
				  link_config);
			bp->link_params.req_line_speed[idx] = SPEED_AUTO_NEG;
			bp->port.advertising[idx] = bp->port.supported[idx];
E
Eliezer Tamir 已提交
7961 7962 7963
		break;
	}

Y
Yaniv Rosner 已提交
7964
		bp->link_params.req_flow_ctrl[idx] = (link_config &
7965
					 PORT_FEATURE_FLOW_CONTROL_MASK);
Y
Yaniv Rosner 已提交
7966 7967 7968 7969 7970 7971
		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
7972

Y
Yaniv Rosner 已提交
7973 7974 7975 7976 7977 7978 7979
		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
7980 7981
}

7982 7983 7984 7985 7986 7987 7988 7989
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));
}

7990
static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp)
E
Eliezer Tamir 已提交
7991
{
7992 7993
	int port = BP_PORT(bp);
	u32 val, val2;
E
Eilon Greenstein 已提交
7994
	u32 config;
Y
Yaniv Rosner 已提交
7995
	u32 ext_phy_type, ext_phy_config;;
E
Eliezer Tamir 已提交
7996

Y
Yaniv Rosner 已提交
7997
	bp->link_params.bp = bp;
7998
	bp->link_params.port = port;
Y
Yaniv Rosner 已提交
7999 8000

	bp->link_params.lane_config =
E
Eliezer Tamir 已提交
8001
		SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
E
Eilon Greenstein 已提交
8002

Y
Yaniv Rosner 已提交
8003
	bp->link_params.speed_cap_mask[0] =
E
Eliezer Tamir 已提交
8004 8005
		SHMEM_RD(bp,
			 dev_info.port_hw_config[port].speed_capability_mask);
Y
Yaniv Rosner 已提交
8006 8007 8008 8009
	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
8010 8011
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);

Y
Yaniv Rosner 已提交
8012 8013
	bp->port.link_config[1] =
		SHMEM_RD(bp, dev_info.port_feature_config[port].link_config2);
8014

Y
Yaniv Rosner 已提交
8015 8016
	bp->link_params.multi_phy_config =
		SHMEM_RD(bp, dev_info.port_hw_config[port].multi_phy_config);
8017 8018 8019
	/* If the device is capable of WoL, set the default state according
	 * to the HW
	 */
E
Eilon Greenstein 已提交
8020
	config = SHMEM_RD(bp, dev_info.port_feature_config[port].config);
8021 8022 8023
	bp->wol = (!(bp->flags & NO_WOL_FLAG) &&
		   (config & PORT_FEATURE_WOL_ENABLED));

Y
Yaniv Rosner 已提交
8024
	BNX2X_DEV_INFO("lane_config 0x%08x"
Y
Yaniv Rosner 已提交
8025
		       "speed_cap_mask0 0x%08x  link_config0 0x%08x\n",
Y
Yaniv Rosner 已提交
8026
		       bp->link_params.lane_config,
Y
Yaniv Rosner 已提交
8027 8028
		       bp->link_params.speed_cap_mask[0],
		       bp->port.link_config[0]);
E
Eliezer Tamir 已提交
8029

Y
Yaniv Rosner 已提交
8030
	bp->link_params.switch_cfg = (bp->port.link_config[0] &
E
Eilon Greenstein 已提交
8031
				       PORT_FEATURE_CONNECTED_SWITCH_MASK);
Y
Yaniv Rosner 已提交
8032
	bnx2x_phy_probe(&bp->link_params);
Y
Yaniv Rosner 已提交
8033
	bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg);
E
Eliezer Tamir 已提交
8034 8035 8036

	bnx2x_link_settings_requested(bp);

E
Eilon Greenstein 已提交
8037 8038 8039 8040
	/*
	 * If connected directly, work with the internal PHY, otherwise, work
	 * with the external PHY
	 */
Y
Yaniv Rosner 已提交
8041 8042 8043 8044
	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
8045
	if (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
Y
Yaniv Rosner 已提交
8046
		bp->mdio.prtad = bp->port.phy_addr;
E
Eilon Greenstein 已提交
8047 8048 8049 8050

	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
8051
			XGXS_EXT_PHY_ADDR(ext_phy_config);
E
Eilon Greenstein 已提交
8052

E
Eliezer Tamir 已提交
8053 8054
	val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
	val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
8055
	bnx2x_set_mac_buf(bp->dev->dev_addr, val, val2);
Y
Yaniv Rosner 已提交
8056 8057
	memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
	memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
8058 8059 8060 8061 8062 8063

#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);
	bnx2x_set_mac_buf(bp->iscsi_mac, val, val2);
#endif
8064 8065 8066 8067
}

static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp)
{
D
Dmitry Kravkov 已提交
8068 8069
	int func = BP_ABS_FUNC(bp);
	int vn;
8070 8071
	u32 val, val2;
	int rc = 0;
E
Eliezer Tamir 已提交
8072

8073
	bnx2x_get_common_hwinfo(bp);
E
Eliezer Tamir 已提交
8074

D
Dmitry Kravkov 已提交
8075 8076 8077 8078 8079 8080 8081 8082 8083 8084 8085 8086 8087 8088
	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;
		bp->igu_sb_cnt = min_t(u8, FP_SB_MAX_E1x, bp->l2_cid_count);
	} 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");
8089

D
Dmitry Kravkov 已提交
8090 8091 8092 8093 8094 8095 8096 8097 8098
		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
	 */
8099

D
Dmitry Kravkov 已提交
8100 8101
	bp->mf_ov = 0;
	bp->mf_mode = 0;
D
Dmitry Kravkov 已提交
8102 8103 8104 8105 8106 8107
	vn = BP_E1HVN(bp);
	if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) {
		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 +
8108 8109
				offsetof(struct shmem_region, func_mb) +
				E1H_FUNC_MAX * sizeof(struct drv_func_mb);
D
Dmitry Kravkov 已提交
8110
		bp->mf_config[vn] =
8111
			MF_CFG_RD(bp, func_mf_config[func].config);
E
Eliezer Tamir 已提交
8112

8113
		val = (MF_CFG_RD(bp, func_mf_config[FUNC_0].e1hov_tag) &
8114
		       FUNC_MF_CFG_E1HOV_TAG_MASK);
8115
		if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT)
D
Dmitry Kravkov 已提交
8116
			bp->mf_mode = 1;
8117
		BNX2X_DEV_INFO("%s function mode\n",
D
Dmitry Kravkov 已提交
8118
			       IS_MF(bp) ? "multi" : "single");
8119

D
Dmitry Kravkov 已提交
8120
		if (IS_MF(bp)) {
8121
			val = (MF_CFG_RD(bp, func_mf_config[func].
8122 8123 8124
								e1hov_tag) &
			       FUNC_MF_CFG_E1HOV_TAG_MASK);
			if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) {
D
Dmitry Kravkov 已提交
8125
				bp->mf_ov = val;
D
Dmitry Kravkov 已提交
8126
				BNX2X_DEV_INFO("MF OV for func %d is %d "
8127
					       "(0x%04x)\n",
D
Dmitry Kravkov 已提交
8128
					       func, bp->mf_ov, bp->mf_ov);
8129
			} else {
D
Dmitry Kravkov 已提交
8130
				BNX2X_ERROR("No valid MF OV for func %d,"
V
Vladislav Zolotarov 已提交
8131
					    "  aborting\n", func);
8132 8133
				rc = -EPERM;
			}
8134
		} else {
D
Dmitry Kravkov 已提交
8135
			if (BP_VN(bp)) {
V
Vladislav Zolotarov 已提交
8136 8137
				BNX2X_ERROR("VN %d in single function mode,"
					    "  aborting\n", BP_E1HVN(bp));
8138 8139
				rc = -EPERM;
			}
8140 8141
		}
	}
E
Eliezer Tamir 已提交
8142

D
Dmitry Kravkov 已提交
8143 8144
	/* adjust igu_sb_cnt to MF for E1x */
	if (CHIP_IS_E1x(bp) && IS_MF(bp))
8145 8146
		bp->igu_sb_cnt /= E1HVN_MAX;

D
Dmitry Kravkov 已提交
8147 8148 8149 8150 8151 8152 8153 8154 8155
	/*
	 * 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));

8156 8157 8158
	if (!BP_NOMCP(bp)) {
		bnx2x_get_port_hwinfo(bp);

D
Dmitry Kravkov 已提交
8159 8160 8161
		bp->fw_seq =
			(SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) &
			 DRV_MSG_SEQ_NUMBER_MASK);
8162 8163 8164
		BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
	}

D
Dmitry Kravkov 已提交
8165
	if (IS_MF(bp)) {
8166 8167
		val2 = MF_CFG_RD(bp, func_mf_config[func].mac_upper);
		val = MF_CFG_RD(bp,  func_mf_config[func].mac_lower);
8168 8169 8170 8171 8172 8173 8174 8175 8176 8177 8178 8179
		if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) &&
		    (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) {
			bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff);
			bp->dev->dev_addr[1] = (u8)(val2 & 0xff);
			bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff);
			bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff);
			bp->dev->dev_addr[4] = (u8)(val >> 8  & 0xff);
			bp->dev->dev_addr[5] = (u8)(val & 0xff);
			memcpy(bp->link_params.mac_addr, bp->dev->dev_addr,
			       ETH_ALEN);
			memcpy(bp->dev->perm_addr, bp->dev->dev_addr,
			       ETH_ALEN);
E
Eliezer Tamir 已提交
8180
		}
8181 8182

		return rc;
E
Eliezer Tamir 已提交
8183 8184
	}

8185 8186
	if (BP_NOMCP(bp)) {
		/* only supposed to happen on emulation/FPGA */
V
Vladislav Zolotarov 已提交
8187
		BNX2X_ERROR("warning: random MAC workaround active\n");
8188 8189 8190
		random_ether_addr(bp->dev->dev_addr);
		memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN);
	}
E
Eliezer Tamir 已提交
8191

8192 8193 8194
	return rc;
}

8195 8196 8197 8198 8199 8200 8201 8202 8203 8204 8205 8206 8207 8208 8209 8210 8211 8212 8213 8214 8215 8216 8217 8218 8219 8220 8221 8222 8223 8224 8225 8226 8227 8228 8229 8230 8231 8232 8233 8234 8235 8236 8237 8238 8239 8240 8241 8242 8243 8244 8245 8246 8247 8248 8249 8250 8251 8252 8253 8254 8255 8256 8257 8258
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;
}

8259 8260
static int __devinit bnx2x_init_bp(struct bnx2x *bp)
{
D
Dmitry Kravkov 已提交
8261
	int func;
8262
	int timer_interval;
8263 8264
	int rc;

8265 8266
	/* Disable interrupt handling until HW is initialized */
	atomic_set(&bp->intr_sem, 1);
E
Eilon Greenstein 已提交
8267
	smp_wmb(); /* Ensure that bp->intr_sem update is SMP-safe */
8268

8269
	mutex_init(&bp->port.phy_mutex);
E
Eilon Greenstein 已提交
8270
	mutex_init(&bp->fw_mb_mutex);
8271
	spin_lock_init(&bp->stats_lock);
8272 8273 8274
#ifdef BCM_CNIC
	mutex_init(&bp->cnic_mutex);
#endif
E
Eliezer Tamir 已提交
8275

8276
	INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task);
8277
	INIT_DELAYED_WORK(&bp->reset_task, bnx2x_reset_task);
8278 8279 8280

	rc = bnx2x_get_hwinfo(bp);

8281 8282 8283
	if (!rc)
		rc = bnx2x_alloc_mem_bp(bp);

8284
	bnx2x_read_fwinfo(bp);
D
Dmitry Kravkov 已提交
8285 8286 8287

	func = BP_FUNC(bp);

8288 8289 8290 8291 8292
	/* 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
8293
		dev_err(&bp->pdev->dev, "FPGA detected\n");
8294 8295

	if (BP_NOMCP(bp) && (func == 0))
V
Vladislav Zolotarov 已提交
8296 8297
		dev_err(&bp->pdev->dev, "MCP disabled, "
					"must load devices in order!\n");
8298

E
Eilon Greenstein 已提交
8299
	/* Set multi queue mode */
E
Eilon Greenstein 已提交
8300 8301
	if ((multi_mode != ETH_RSS_MODE_DISABLED) &&
	    ((int_mode == INT_MODE_INTx) || (int_mode == INT_MODE_MSI))) {
V
Vladislav Zolotarov 已提交
8302 8303
		dev_err(&bp->pdev->dev, "Multi disabled since int_mode "
					"requested is not MSI-X\n");
E
Eilon Greenstein 已提交
8304 8305 8306
		multi_mode = ETH_RSS_MODE_DISABLED;
	}
	bp->multi_mode = multi_mode;
8307
	bp->int_mode = int_mode;
E
Eilon Greenstein 已提交
8308

D
Dmitry Kravkov 已提交
8309 8310
	bp->dev->features |= NETIF_F_GRO;

8311 8312 8313 8314 8315 8316 8317 8318
	/* 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;
	}
8319
	bp->disable_tpa = disable_tpa;
8320

8321 8322 8323 8324 8325
	if (CHIP_IS_E1(bp))
		bp->dropless_fc = 0;
	else
		bp->dropless_fc = dropless_fc;

8326
	bp->mrrs = mrrs;
8327

8328 8329 8330 8331
	bp->tx_ring_size = MAX_TX_AVAIL;

	bp->rx_csum = 1;

8332
	/* make sure that the numbers are in the right granularity */
8333 8334
	bp->tx_ticks = (50 / BNX2X_BTR) * BNX2X_BTR;
	bp->rx_ticks = (25 / BNX2X_BTR) * BNX2X_BTR;
8335

8336 8337
	timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ);
	bp->current_interval = (poll ? poll : timer_interval);
8338 8339 8340 8341 8342 8343 8344

	init_timer(&bp->timer);
	bp->timer.expires = jiffies + bp->current_interval;
	bp->timer.data = (unsigned long) bp;
	bp->timer.function = bnx2x_timer;

	return rc;
E
Eliezer Tamir 已提交
8345 8346 8347
}


8348 8349 8350
/****************************************************************************
* General service functions
****************************************************************************/
E
Eliezer Tamir 已提交
8351

Y
Yitchak Gertner 已提交
8352
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
8353 8354 8355 8356
static int bnx2x_open(struct net_device *dev)
{
	struct bnx2x *bp = netdev_priv(dev);

E
Eilon Greenstein 已提交
8357 8358
	netif_carrier_off(dev);

E
Eliezer Tamir 已提交
8359 8360
	bnx2x_set_power_state(bp, PCI_D0);

8361 8362 8363 8364 8365 8366 8367 8368 8369 8370 8371 8372 8373 8374 8375 8376 8377 8378 8379 8380 8381 8382 8383 8384 8385 8386 8387 8388 8389 8390 8391 8392 8393 8394
	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
8395
	return bnx2x_nic_load(bp, LOAD_OPEN);
E
Eliezer Tamir 已提交
8396 8397
}

Y
Yitchak Gertner 已提交
8398
/* called with rtnl_lock */
E
Eliezer Tamir 已提交
8399 8400 8401 8402 8403
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
8404
	bnx2x_nic_unload(bp, UNLOAD_CLOSE);
8405
	bnx2x_set_power_state(bp, PCI_D3hot);
E
Eliezer Tamir 已提交
8406 8407 8408 8409

	return 0;
}

E
Eilon Greenstein 已提交
8410
/* called with netif_tx_lock from dev_mcast.c */
D
Dmitry Kravkov 已提交
8411
void bnx2x_set_rx_mode(struct net_device *dev)
8412 8413 8414 8415 8416 8417 8418 8419 8420 8421 8422 8423 8424 8425 8426 8427
{
	struct bnx2x *bp = netdev_priv(dev);
	u32 rx_mode = BNX2X_RX_MODE_NORMAL;
	int port = BP_PORT(bp);

	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;

	else if ((dev->flags & IFF_ALLMULTI) ||
8428 8429
		 ((netdev_mc_count(dev) > BNX2X_MAX_MULTICAST) &&
		  CHIP_IS_E1(bp)))
8430 8431 8432 8433
		rx_mode = BNX2X_RX_MODE_ALLMULTI;

	else { /* some multicasts */
		if (CHIP_IS_E1(bp)) {
8434 8435 8436 8437 8438 8439 8440 8441
			/*
			 * set mc list, do not wait as wait implies sleep
			 * and set_rx_mode can be invoked from non-sleepable
			 * context
			 */
			u8 offset = (CHIP_REV_IS_SLOW(bp) ?
				     BNX2X_MAX_EMUL_MULTI*(1 + port) :
				     BNX2X_MAX_MULTICAST*(1 + port));
8442

8443
			bnx2x_set_e1_mc_list(bp, offset);
8444 8445
		} else { /* E1H */
			/* Accept one or more multicasts */
8446
			struct netdev_hw_addr *ha;
8447 8448 8449 8450 8451 8452
			u32 mc_filter[MC_HASH_SIZE];
			u32 crc, bit, regidx;
			int i;

			memset(mc_filter, 0, 4 * MC_HASH_SIZE);

8453
			netdev_for_each_mc_addr(ha, dev) {
J
Johannes Berg 已提交
8454
				DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
8455
				   bnx2x_mc_addr(ha));
8456

8457 8458
				crc = crc32c_le(0, bnx2x_mc_addr(ha),
						ETH_ALEN);
8459 8460 8461 8462 8463 8464 8465 8466 8467 8468 8469 8470
				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]);
		}
	}

8471

8472 8473 8474 8475
	bp->rx_mode = rx_mode;
	bnx2x_set_storm_rx_mode(bp);
}

E
Eliezer Tamir 已提交
8476

Y
Yaniv Rosner 已提交
8477
/* called with rtnl_lock */
E
Eilon Greenstein 已提交
8478 8479
static int bnx2x_mdio_read(struct net_device *netdev, int prtad,
			   int devad, u16 addr)
E
Eliezer Tamir 已提交
8480
{
E
Eilon Greenstein 已提交
8481 8482 8483
	struct bnx2x *bp = netdev_priv(netdev);
	u16 value;
	int rc;
E
Eliezer Tamir 已提交
8484

E
Eilon Greenstein 已提交
8485 8486
	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
8487

E
Eilon Greenstein 已提交
8488 8489
	/* 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
8490

E
Eilon Greenstein 已提交
8491
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
8492
	rc = bnx2x_phy_read(&bp->link_params, prtad, devad, addr, &value);
E
Eilon Greenstein 已提交
8493 8494
	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
8495

E
Eilon Greenstein 已提交
8496 8497 8498 8499
	if (!rc)
		rc = value;
	return rc;
}
E
Eliezer Tamir 已提交
8500

E
Eilon Greenstein 已提交
8501 8502 8503 8504 8505 8506 8507 8508 8509 8510 8511 8512
/* 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
8513

E
Eilon Greenstein 已提交
8514
	bnx2x_acquire_phy_lock(bp);
Y
Yaniv Rosner 已提交
8515
	rc = bnx2x_phy_write(&bp->link_params, prtad, devad, addr, value);
E
Eilon Greenstein 已提交
8516 8517 8518
	bnx2x_release_phy_lock(bp);
	return rc;
}
Y
Yaniv Rosner 已提交
8519

E
Eilon Greenstein 已提交
8520 8521 8522 8523 8524
/* 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
8525

E
Eilon Greenstein 已提交
8526 8527
	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
8528

E
Eilon Greenstein 已提交
8529 8530 8531 8532
	if (!netif_running(dev))
		return -EAGAIN;

	return mdio_mii_ioctl(&bp->mdio, mdio, cmd);
E
Eliezer Tamir 已提交
8533 8534
}

A
Alexey Dobriyan 已提交
8535
#ifdef CONFIG_NET_POLL_CONTROLLER
E
Eliezer Tamir 已提交
8536 8537 8538 8539 8540 8541 8542 8543 8544 8545
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

8546 8547 8548 8549
static const struct net_device_ops bnx2x_netdev_ops = {
	.ndo_open		= bnx2x_open,
	.ndo_stop		= bnx2x_close,
	.ndo_start_xmit		= bnx2x_start_xmit,
E
Eilon Greenstein 已提交
8550
	.ndo_set_multicast_list	= bnx2x_set_rx_mode,
8551 8552 8553 8554 8555 8556 8557 8558
	.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,
	.ndo_tx_timeout		= bnx2x_tx_timeout,
#ifdef BCM_VLAN
	.ndo_vlan_rx_register	= bnx2x_vlan_rx_register,
#endif
A
Alexey Dobriyan 已提交
8559
#ifdef CONFIG_NET_POLL_CONTROLLER
8560 8561 8562 8563
	.ndo_poll_controller	= poll_bnx2x,
#endif
};

8564 8565
static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
				    struct net_device *dev)
E
Eliezer Tamir 已提交
8566 8567 8568 8569 8570 8571 8572
{
	struct bnx2x *bp;
	int rc;

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

8573 8574
	bp->dev = dev;
	bp->pdev = pdev;
E
Eliezer Tamir 已提交
8575
	bp->flags = 0;
D
Dmitry Kravkov 已提交
8576
	bp->pf_num = PCI_FUNC(pdev->devfn);
E
Eliezer Tamir 已提交
8577 8578 8579

	rc = pci_enable_device(pdev);
	if (rc) {
V
Vladislav Zolotarov 已提交
8580 8581
		dev_err(&bp->pdev->dev,
			"Cannot enable PCI device, aborting\n");
E
Eliezer Tamir 已提交
8582 8583 8584 8585
		goto err_out;
	}

	if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
V
Vladislav Zolotarov 已提交
8586 8587
		dev_err(&bp->pdev->dev,
			"Cannot find PCI device base address, aborting\n");
E
Eliezer Tamir 已提交
8588 8589 8590 8591 8592
		rc = -ENODEV;
		goto err_out_disable;
	}

	if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
V
Vladislav Zolotarov 已提交
8593 8594
		dev_err(&bp->pdev->dev, "Cannot find second PCI device"
		       " base address, aborting\n");
E
Eliezer Tamir 已提交
8595 8596 8597 8598
		rc = -ENODEV;
		goto err_out_disable;
	}

8599 8600 8601
	if (atomic_read(&pdev->enable_cnt) == 1) {
		rc = pci_request_regions(pdev, DRV_MODULE_NAME);
		if (rc) {
V
Vladislav Zolotarov 已提交
8602 8603
			dev_err(&bp->pdev->dev,
				"Cannot obtain PCI resources, aborting\n");
8604 8605
			goto err_out_disable;
		}
E
Eliezer Tamir 已提交
8606

8607 8608 8609
		pci_set_master(pdev);
		pci_save_state(pdev);
	}
E
Eliezer Tamir 已提交
8610 8611 8612

	bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
	if (bp->pm_cap == 0) {
V
Vladislav Zolotarov 已提交
8613 8614
		dev_err(&bp->pdev->dev,
			"Cannot find power management capability, aborting\n");
E
Eliezer Tamir 已提交
8615 8616 8617 8618 8619 8620
		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
8621 8622
		dev_err(&bp->pdev->dev,
			"Cannot find PCI Express capability, aborting\n");
E
Eliezer Tamir 已提交
8623 8624 8625 8626
		rc = -EIO;
		goto err_out_release;
	}

8627
	if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
E
Eliezer Tamir 已提交
8628
		bp->flags |= USING_DAC_FLAG;
8629
		if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
V
Vladislav Zolotarov 已提交
8630 8631
			dev_err(&bp->pdev->dev, "dma_set_coherent_mask"
			       " failed, aborting\n");
E
Eliezer Tamir 已提交
8632 8633 8634 8635
			rc = -EIO;
			goto err_out_release;
		}

8636
	} else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
V
Vladislav Zolotarov 已提交
8637 8638
		dev_err(&bp->pdev->dev,
			"System does not support DMA, aborting\n");
E
Eliezer Tamir 已提交
8639 8640 8641 8642
		rc = -EIO;
		goto err_out_release;
	}

8643 8644 8645
	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
8646 8647 8648

	dev->irq = pdev->irq;

8649
	bp->regview = pci_ioremap_bar(pdev, 0);
E
Eliezer Tamir 已提交
8650
	if (!bp->regview) {
V
Vladislav Zolotarov 已提交
8651 8652
		dev_err(&bp->pdev->dev,
			"Cannot map register space, aborting\n");
E
Eliezer Tamir 已提交
8653 8654 8655 8656
		rc = -ENOMEM;
		goto err_out_release;
	}

8657
	bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2),
8658
					min_t(u64, BNX2X_DB_SIZE(bp),
8659
					      pci_resource_len(pdev, 2)));
E
Eliezer Tamir 已提交
8660
	if (!bp->doorbells) {
V
Vladislav Zolotarov 已提交
8661 8662
		dev_err(&bp->pdev->dev,
			"Cannot map doorbell space, aborting\n");
E
Eliezer Tamir 已提交
8663 8664 8665 8666 8667 8668
		rc = -ENOMEM;
		goto err_out_unmap;
	}

	bnx2x_set_power_state(bp, PCI_D0);

8669 8670 8671 8672 8673 8674 8675
	/* 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
8676

8677 8678 8679
	/* Reset the load counter */
	bnx2x_clear_load_cnt(bp);

8680
	dev->watchdog_timeo = TX_TIMEOUT;
E
Eliezer Tamir 已提交
8681

8682
	dev->netdev_ops = &bnx2x_netdev_ops;
8683
	bnx2x_set_ethtool_ops(dev);
8684 8685 8686 8687
	dev->features |= NETIF_F_SG;
	dev->features |= NETIF_F_HW_CSUM;
	if (bp->flags & USING_DAC_FLAG)
		dev->features |= NETIF_F_HIGHDMA;
E
Eilon Greenstein 已提交
8688 8689
	dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
	dev->features |= NETIF_F_TSO6;
8690 8691
#ifdef BCM_VLAN
	dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX);
8692
	bp->flags |= (HW_VLAN_RX_FLAG | HW_VLAN_TX_FLAG);
E
Eilon Greenstein 已提交
8693 8694 8695 8696 8697 8698 8699

	dev->vlan_features |= NETIF_F_SG;
	dev->vlan_features |= NETIF_F_HW_CSUM;
	if (bp->flags & USING_DAC_FLAG)
		dev->vlan_features |= NETIF_F_HIGHDMA;
	dev->vlan_features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
	dev->vlan_features |= NETIF_F_TSO6;
8700
#endif
E
Eliezer Tamir 已提交
8701

E
Eilon Greenstein 已提交
8702 8703 8704 8705 8706 8707 8708 8709
	/* 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
8710 8711 8712 8713 8714 8715 8716 8717 8718 8719 8720 8721 8722
	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:
8723 8724
	if (atomic_read(&pdev->enable_cnt) == 1)
		pci_release_regions(pdev);
E
Eliezer Tamir 已提交
8725 8726 8727 8728 8729 8730 8731 8732 8733

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

err_out:
	return rc;
}

8734 8735
static void __devinit bnx2x_get_pcie_width_speed(struct bnx2x *bp,
						 int *width, int *speed)
E
Eliezer Tamir 已提交
8736 8737 8738
{
	u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL);

8739
	*width = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT;
E
Eliezer Tamir 已提交
8740

8741 8742
	/* return value of 1=2.5GHz 2=5GHz */
	*speed = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT;
E
Eliezer Tamir 已提交
8743
}
8744

8745
static int bnx2x_check_firmware(struct bnx2x *bp)
8746
{
8747
	const struct firmware *firmware = bp->firmware;
8748 8749 8750
	struct bnx2x_fw_file_hdr *fw_hdr;
	struct bnx2x_fw_file_section *sections;
	u32 offset, len, num_ops;
8751
	u16 *ops_offsets;
8752
	int i;
8753
	const u8 *fw_ver;
8754 8755 8756 8757 8758 8759 8760 8761 8762 8763 8764 8765 8766

	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
8767 8768
			dev_err(&bp->pdev->dev,
				"Section %d length is out of bounds\n", i);
8769 8770 8771 8772 8773 8774 8775 8776 8777 8778 8779
			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
8780 8781
			dev_err(&bp->pdev->dev,
				"Section offset %d is out of bounds\n", i);
8782 8783 8784 8785 8786 8787 8788 8789 8790 8791 8792
			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
8793 8794
		dev_err(&bp->pdev->dev,
			"Bad FW version:%d.%d.%d.%d. Should be %d.%d.%d.%d\n",
8795 8796 8797 8798 8799
		       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);
8800
		return -EINVAL;
8801 8802 8803 8804 8805
	}

	return 0;
}

8806
static inline void be32_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
8807
{
8808 8809
	const __be32 *source = (const __be32 *)_source;
	u32 *target = (u32 *)_target;
8810 8811 8812 8813 8814 8815 8816 8817 8818 8819
	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)}
 */
8820
static inline void bnx2x_prep_ops(const u8 *_source, u8 *_target, u32 n)
8821
{
8822 8823
	const __be32 *source = (const __be32 *)_source;
	struct raw_op *target = (struct raw_op *)_target;
8824 8825
	u32 i, j, tmp;

8826
	for (i = 0, j = 0; i < n/8; i++, j += 2) {
8827 8828
		tmp = be32_to_cpu(source[j]);
		target[i].op = (tmp >> 24) & 0xff;
V
Vladislav Zolotarov 已提交
8829 8830
		target[i].offset = tmp & 0xffffff;
		target[i].raw_data = be32_to_cpu(source[j + 1]);
8831 8832
	}
}
8833

8834 8835 8836 8837 8838 8839 8840 8841 8842 8843 8844 8845 8846 8847 8848 8849 8850 8851 8852 8853 8854 8855 8856 8857
/**
 * 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++;
	}
}

8858
static inline void be16_to_cpu_n(const u8 *_source, u8 *_target, u32 n)
8859
{
8860 8861
	const __be16 *source = (const __be16 *)_source;
	u16 *target = (u16 *)_target;
8862 8863 8864 8865 8866 8867
	u32 i;

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

8868 8869 8870 8871 8872 8873 8874 8875 8876 8877 8878
#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)
8879

8880
int bnx2x_init_firmware(struct bnx2x *bp)
8881
{
B
Ben Hutchings 已提交
8882
	const char *fw_file_name;
8883
	struct bnx2x_fw_file_hdr *fw_hdr;
B
Ben Hutchings 已提交
8884
	int rc;
8885 8886

	if (CHIP_IS_E1(bp))
B
Ben Hutchings 已提交
8887
		fw_file_name = FW_FILE_NAME_E1;
V
Vladislav Zolotarov 已提交
8888
	else if (CHIP_IS_E1H(bp))
B
Ben Hutchings 已提交
8889
		fw_file_name = FW_FILE_NAME_E1H;
D
Dmitry Kravkov 已提交
8890 8891
	else if (CHIP_IS_E2(bp))
		fw_file_name = FW_FILE_NAME_E2;
V
Vladislav Zolotarov 已提交
8892
	else {
8893
		BNX2X_ERR("Unsupported chip revision\n");
V
Vladislav Zolotarov 已提交
8894 8895
		return -EINVAL;
	}
8896

8897
	BNX2X_DEV_INFO("Loading %s\n", fw_file_name);
8898

8899
	rc = request_firmware(&bp->firmware, fw_file_name, &bp->pdev->dev);
8900
	if (rc) {
8901
		BNX2X_ERR("Can't load firmware file %s\n", fw_file_name);
8902 8903 8904 8905 8906
		goto request_firmware_exit;
	}

	rc = bnx2x_check_firmware(bp);
	if (rc) {
8907
		BNX2X_ERR("Corrupt firmware file %s\n", fw_file_name);
8908 8909 8910 8911 8912 8913 8914 8915 8916 8917 8918 8919 8920
		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 */
8921 8922
	BNX2X_ALLOC_AND_SET(init_ops_offsets, init_offsets_alloc_err,
			    be16_to_cpu_n);
8923 8924

	/* STORMs firmware */
8925 8926 8927 8928 8929 8930 8931 8932 8933 8934 8935 8936 8937 8938 8939 8940
	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);
8941 8942
	/* IRO */
	BNX2X_ALLOC_AND_SET(iro_arr, iro_alloc_err, bnx2x_prep_iro);
8943 8944

	return 0;
8945

8946 8947
iro_alloc_err:
	kfree(bp->init_ops_offsets);
8948 8949 8950 8951 8952 8953 8954 8955 8956 8957
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;
}

8958 8959 8960
static inline int bnx2x_set_qm_cid_count(struct bnx2x *bp, int l2_cid_count)
{
	int cid_count = L2_FP_COUNT(l2_cid_count);
8961

8962 8963 8964 8965 8966
#ifdef BCM_CNIC
	cid_count += CNIC_CID_MAX;
#endif
	return roundup(cid_count, QM_CID_ROUND);
}
E
Eliezer Tamir 已提交
8967 8968 8969 8970 8971
static int __devinit bnx2x_init_one(struct pci_dev *pdev,
				    const struct pci_device_id *ent)
{
	struct net_device *dev = NULL;
	struct bnx2x *bp;
8972
	int pcie_width, pcie_speed;
8973 8974
	int rc, cid_count;

D
Dmitry Kravkov 已提交
8975 8976 8977 8978 8979 8980 8981 8982 8983 8984 8985
	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
8986

D
Dmitry Kravkov 已提交
8987 8988 8989 8990 8991 8992 8993
	default:
		pr_err("Unknown board_type (%ld), aborting\n",
			   ent->driver_data);
		return ENODEV;
	}

	cid_count += CNIC_CONTEXT_USE;
E
Eliezer Tamir 已提交
8994
	/* dev zeroed in init_etherdev */
8995
	dev = alloc_etherdev_mq(sizeof(*bp), cid_count);
8996
	if (!dev) {
V
Vladislav Zolotarov 已提交
8997
		dev_err(&pdev->dev, "Cannot allocate net device\n");
E
Eliezer Tamir 已提交
8998
		return -ENOMEM;
8999
	}
E
Eliezer Tamir 已提交
9000 9001

	bp = netdev_priv(dev);
9002
	bp->msg_enable = debug;
E
Eliezer Tamir 已提交
9003

9004 9005
	pci_set_drvdata(pdev, dev);

9006 9007
	bp->l2_cid_count = cid_count;

9008
	rc = bnx2x_init_dev(pdev, dev);
E
Eliezer Tamir 已提交
9009 9010 9011 9012 9013
	if (rc < 0) {
		free_netdev(dev);
		return rc;
	}

9014
	rc = bnx2x_init_bp(bp);
9015 9016 9017
	if (rc)
		goto init_one_exit;

9018 9019 9020
	/* calc qm_cid_count */
	bp->qm_cid_count = bnx2x_set_qm_cid_count(bp, cid_count);

9021
	rc = register_netdev(dev);
9022
	if (rc) {
9023
		dev_err(&pdev->dev, "Cannot register net device\n");
9024 9025 9026
		goto init_one_exit;
	}

9027
	bnx2x_get_pcie_width_speed(bp, &pcie_width, &pcie_speed);
V
Vladislav Zolotarov 已提交
9028 9029 9030
	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
9031 9032 9033 9034
	       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
9035 9036
	       dev->base_addr, bp->pdev->irq);
	pr_cont("node addr %pM\n", dev->dev_addr);
E
Eilon Greenstein 已提交
9037

E
Eliezer Tamir 已提交
9038
	return 0;
9039 9040 9041 9042 9043 9044 9045 9046 9047 9048 9049 9050 9051 9052 9053 9054 9055

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
9056 9057 9058 9059 9060
}

static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
9061 9062 9063
	struct bnx2x *bp;

	if (!dev) {
V
Vladislav Zolotarov 已提交
9064
		dev_err(&pdev->dev, "BAD net device from bnx2x_init_one\n");
9065 9066 9067
		return;
	}
	bp = netdev_priv(dev);
E
Eliezer Tamir 已提交
9068 9069 9070

	unregister_netdev(dev);

9071 9072 9073
	/* Make sure RESET task is not scheduled before continuing */
	cancel_delayed_work_sync(&bp->reset_task);

E
Eliezer Tamir 已提交
9074 9075 9076 9077 9078 9079
	if (bp->regview)
		iounmap(bp->regview);

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

9080 9081
	bnx2x_free_mem_bp(bp);

E
Eliezer Tamir 已提交
9082
	free_netdev(dev);
9083 9084 9085 9086

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

E
Eliezer Tamir 已提交
9087 9088 9089 9090
	pci_disable_device(pdev);
	pci_set_drvdata(pdev, NULL);
}

Y
Yitchak Gertner 已提交
9091 9092 9093 9094 9095 9096 9097 9098 9099
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);
9100
	netif_carrier_off(bp->dev);
Y
Yitchak Gertner 已提交
9101 9102 9103 9104 9105 9106

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

	/* Release IRQs */
9107
	bnx2x_free_irq(bp, false);
Y
Yitchak Gertner 已提交
9108 9109 9110

	/* Free SKBs, SGEs, TPA pool and driver internals */
	bnx2x_free_skbs(bp);
9111

9112
	for_each_queue(bp, i)
Y
Yitchak Gertner 已提交
9113
		bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE);
9114
	for_each_queue(bp, i)
E
Eilon Greenstein 已提交
9115
		netif_napi_del(&bnx2x_fp(bp, i, napi));
Y
Yitchak Gertner 已提交
9116 9117 9118 9119 9120 9121 9122 9123 9124 9125 9126 9127 9128 9129 9130 9131 9132 9133 9134 9135 9136 9137 9138 9139 9140 9141 9142 9143 9144 9145 9146
	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
9147 9148 9149
		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
9150 9151 9152 9153
		BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq);
	}
}

W
Wendy Xiong 已提交
9154 9155 9156 9157 9158 9159 9160 9161 9162 9163 9164 9165 9166 9167 9168 9169 9170 9171
/**
 * 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);

9172 9173 9174 9175 9176
	if (state == pci_channel_io_perm_failure) {
		rtnl_unlock();
		return PCI_ERS_RESULT_DISCONNECT;
	}

W
Wendy Xiong 已提交
9177
	if (netif_running(dev))
Y
Yitchak Gertner 已提交
9178
		bnx2x_eeh_nic_unload(bp);
W
Wendy Xiong 已提交
9179 9180 9181 9182 9183 9184 9185 9186 9187 9188 9189 9190 9191 9192 9193 9194 9195 9196 9197 9198 9199 9200 9201 9202 9203 9204 9205 9206 9207 9208 9209 9210 9211 9212 9213 9214 9215 9216 9217 9218 9219 9220 9221 9222 9223 9224 9225 9226 9227 9228 9229 9230

	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);

9231
	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
D
Dmitry Kravkov 已提交
9232 9233
		printk(KERN_ERR "Handling parity error recovery. "
				"Try again later\n");
9234 9235 9236
		return;
	}

W
Wendy Xiong 已提交
9237 9238
	rtnl_lock();

Y
Yitchak Gertner 已提交
9239 9240
	bnx2x_eeh_recover(bp);

W
Wendy Xiong 已提交
9241
	if (netif_running(dev))
Y
Yitchak Gertner 已提交
9242
		bnx2x_nic_load(bp, LOAD_NORMAL);
W
Wendy Xiong 已提交
9243 9244 9245 9246 9247 9248 9249 9250

	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
9251 9252
	.slot_reset     = bnx2x_io_slot_reset,
	.resume         = bnx2x_io_resume,
W
Wendy Xiong 已提交
9253 9254
};

E
Eliezer Tamir 已提交
9255
static struct pci_driver bnx2x_pci_driver = {
W
Wendy Xiong 已提交
9256 9257 9258 9259 9260 9261 9262
	.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
9263 9264 9265 9266
};

static int __init bnx2x_init(void)
{
9267 9268
	int ret;

9269
	pr_info("%s", version);
9270

9271 9272
	bnx2x_wq = create_singlethread_workqueue("bnx2x");
	if (bnx2x_wq == NULL) {
9273
		pr_err("Cannot create workqueue\n");
9274 9275 9276
		return -ENOMEM;
	}

9277 9278
	ret = pci_register_driver(&bnx2x_pci_driver);
	if (ret) {
9279
		pr_err("Cannot register driver\n");
9280 9281 9282
		destroy_workqueue(bnx2x_wq);
	}
	return ret;
E
Eliezer Tamir 已提交
9283 9284 9285 9286 9287
}

static void __exit bnx2x_cleanup(void)
{
	pci_unregister_driver(&bnx2x_pci_driver);
9288 9289

	destroy_workqueue(bnx2x_wq);
E
Eliezer Tamir 已提交
9290 9291 9292 9293 9294
}

module_init(bnx2x_init);
module_exit(bnx2x_cleanup);

9295 9296 9297 9298 9299 9300 9301 9302 9303 9304 9305 9306 9307 9308 9309 9310 9311 9312 9313 9314 9315 9316 9317 9318 9319 9320 9321 9322 9323 9324 9325 9326 9327 9328 9329 9330 9331 9332 9333 9334 9335 9336 9337 9338 9339 9340 9341 9342 9343 9344 9345 9346 9347 9348 9349 9350 9351 9352 9353 9354 9355 9356 9357
#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);
	bp->cnic_spq_pending -= count;

	for (; bp->cnic_spq_pending < bp->cnic_eth_dev.max_kwqe_pending;
	     bp->cnic_spq_pending++) {

		if (!bp->cnic_kwq_pending)
			break;

		spe = bnx2x_sp_get_next(bp);
		*spe = *bp->cnic_kwq_cons;

		bp->cnic_kwq_pending--;

		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,
9358 9359
		   spe->data.update_data_addr.hi,
		   spe->data.update_data_addr.lo,
9360 9361 9362 9363 9364 9365 9366 9367 9368 9369 9370 9371 9372 9373 9374 9375 9376 9377 9378 9379 9380 9381 9382 9383 9384 9385 9386 9387 9388 9389 9390 9391 9392 9393 9394 9395 9396 9397 9398 9399 9400 9401 9402 9403 9404 9405 9406
		   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);
	c_ops = bp->cnic_ops;
	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
9407
int bnx2x_cnic_notify(struct bnx2x *bp, int cmd)
9408 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 9436 9437 9438 9439 9440 9441 9442 9443 9444 9445 9446 9447 9448 9449 9450 9451 9452
{
	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);
	bnx2x_cnic_sp_post(bp, 1);
}

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;
	}

	case DRV_CTL_COMPLETION_CMD: {
		int count = ctl->data.comp.comp_count;

		bnx2x_cnic_sp_post(bp, count);
		break;
	}

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

9453 9454 9455 9456 9457 9458 9459 9460 9461 9462 9463 9464 9465 9466 9467 9468 9469 9470
		/* 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));

9471 9472 9473 9474 9475 9476 9477
		break;
	}

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

9478 9479 9480 9481 9482 9483 9484 9485 9486
		/* 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);
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		break;
	}

	default:
		BNX2X_ERR("unknown command %x\n", ctl->cmd);
		rc = -EINVAL;
	}

	return rc;
}

D
Dmitry Kravkov 已提交
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void bnx2x_setup_cnic_irq_info(struct bnx2x *bp)
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{
	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;
	}
D
Dmitry Kravkov 已提交
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	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;

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	cp->irq_arr[0].status_blk_num = CNIC_SB_ID(bp);
9516
	cp->irq_arr[0].status_blk_num2 = CNIC_IGU_SB_ID(bp);
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	cp->irq_arr[1].status_blk = bp->def_status_blk;
	cp->irq_arr[1].status_blk_num = DEF_SB_ID;
9519
	cp->irq_arr[1].status_blk_num2 = DEF_SB_IGU_ID;
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	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;
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	cp->iro_arr = bp->iro_arr;
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	bnx2x_init_sb(bp, bp->cnic_sb_mapping,
		      BNX2X_VF_ID_INVALID, false,
		      CNIC_SB_ID(bp), CNIC_IGU_SB_ID(bp));
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	bnx2x_setup_cnic_irq_info(bp);
	bnx2x_set_iscsi_eth_mac_addr(bp, 1);
	bp->cnic_flags |= BNX2X_CNIC_FLAG_MAC_SET;
	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);
	if (bp->cnic_flags & BNX2X_CNIC_FLAG_MAC_SET) {
		bp->cnic_flags &= ~BNX2X_CNIC_FLAG_MAC_SET;
		bnx2x_set_iscsi_eth_mac_addr(bp, 0);
	}
	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;

	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;
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	cp->ctx_blk_size = CDU_ILT_PAGE_SZ;
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	cp->ctx_tbl_offset = FUNC_ILT_BASE(BP_FUNC(bp)) + 1;
	cp->ctx_tbl_len = CNIC_ILT_LINES;
	cp->starting_cid = BCM_CNIC_CID_START;
	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;

	return cp;
}
EXPORT_SYMBOL(bnx2x_cnic_probe);

#endif /* BCM_CNIC */
9610