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Date: Sun, 07 Oct 2007 18:22:32 +0200
From: "Eliezer Tamir" <eliezert@...adcom.com>
To: davem@...emloft.net, jeff@...zik.org,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"Michael Chan" <mchan@...adcom.com>
Subject: [BNX2X][PATCH 2/8] bnx2x.c
bnx2x.c - main .c file.
Signed-off-by: Eliezer Tamir <eliezert@...adcom.com
<mailto:eliezert@...adcom.com>>
---
drivers/net/bnx2x.c | 8873
+++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 8873 insertions(+), 0 deletions(-)
diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c
new file mode 100644
index 0000000..9317fdb
--- /dev/null
+++ b/drivers/net/bnx2x.c
@@ -0,0 +1,8873 @@
+/* bnx2x.c: Broadcom Everest network driver.
+ *
+ * Copyright (c) 2007 Broadcom Corporation
+ *
+ * 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.
+ *
+ * Written by: Eliezer Tamir <eliezert@...adcom.com
<mailto:eliezert@...adcom.com>>
+ * Based on code from Michael Chan's bnx2 driver
+ * UDP CSUM errata workaround by Arik Gendelman
+ * Slowpath rework by Vladislav Zolotarov
+ * Statistics and Link managment by Yitchak Gertner
+ *
+ */
+
+/* define this to make the driver freeze on error
+ * -for now this is the defualt.
+ */
+#define BNX2X_STOP_ON_ERROR
+
+#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/vmalloc.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/io.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>
+#ifdef NETIF_F_HW_VLAN_TX
+ #include <linux/if_vlan.h>
+ #define BCM_VLAN 1
+#endif
+#include <net/ip.h>
+#include <net/tcp.h>
+#include <net/checksum.h>
+#include <linux/workqueue.h>
+#include <linux/crc32.h>
+#include <linux/prefetch.h>
+#include <linux/zlib.h>
+
+#include "bnx2x_hsi.h"
+#include "bnx2x.h"
+#include "bnx2x_init.h"
+#include "bnx2x_self_test.h"
+
+
+#define DRV_MODULE_VERSION "0.40.10"
+#define DRV_MODULE_RELDATE "$DateTime: 2007/09/24 08:56:36 $"
+#define BNX2X_BC_VER 0x040004
+
+/* Time in jiffies before concluding the transmitter is hung. */
+#define TX_TIMEOUT (5*HZ)
+
+static const char version[] __devinitdata =
+ "Broadcom NetXtreme II 577xx 10Gigabit Ethernet Driver "
+ DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n";
+
+MODULE_AUTHOR("Eliezer Tamir <eliezert@...adcom.com
<mailto:eliezert@...adcom.com>>");
+MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver");
+MODULE_LICENSE("GPL");
+MODULE_VERSION(DRV_MODULE_VERSION);
+MODULE_INFO(cvs_version, "$Revision: #302 $");
+
+static int use_inta;
+static int poll;
+static int onefunc;
+static int nomcp;
+static int debug;
+module_param(use_inta, int, 0);
+module_param(poll, int, 0);
+module_param(onefunc, int, 0);
+module_param(debug, int, 0);
+MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X");
+MODULE_PARM_DESC(poll, "use polling (for debug)");
+MODULE_PARM_DESC(onefunc, "enable only first function");
+MODULE_PARM_DESC(nomcp, "ignore managment CPU (Implies onefunc)");
+MODULE_PARM_DESC(debug, "defualt debug msglevel");
+
+enum bnx2x_board_type{
+ BCM57710 = 0,
+};
+
+/* indexed by board_t, above */
+static const struct {
+ char *name;
+} board_info[] __devinitdata = {
+ { "Broadcom NetXtreme II BCM57710 XGb" },
+};
+
+#ifndef PCI_DEVICE_ID_NX2_57710
+#define PCI_DEVICE_ID_NX2_57710 0x164e
+#endif
+
+static const struct pci_device_id bnx2x_pci_tbl[] = {
+ { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710,
+ PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 },
+ { 0 }
+};
+
+MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl);
+
+/****************************************************************************
+* General service functions
+****************************************************************************/
+
+/* does not need locking since it is used only at init */
+static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val)
+{
+ 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);
+}
+
+#ifdef BNX2X_IND_RD
+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;
+}
+#endif
+
+/* copy command into DMAE command memory */
+static void bnx2x_post_dmae(struct bnx2x *bp, int idx)
+{
+ struct dmae_command *dmae = &bp->dmae;
+ u32 cmd_offset;
+ int i;
+
+ cmd_offset = (DMAE_REGISTERS_CMD_MEM +
+ sizeof(struct dmae_command) * idx);
+ for (i = 0; i < (sizeof(struct dmae_command)/4); i++) {
+ REG_WR32(bp, GRCBASE_DMAE, cmd_offset + i*4,
+ *(((u32 *)dmae) + i));
+
+/* DP(NETIF_MSG_DMAE, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n",
+ idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i)); */
+ }
+}
+
+/* DMAE command positions used
+ * Port0 14
+ * Port1 15
+ */
+static void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr,
+ u32 wb_addr, u32 wb_len)
+{
+ struct dmae_command *dmae = &bp->dmae;
+ int port = bp->port;
+ u32 *wb_comp = bnx2x_sp(bp, wb_comp);
+ int timeout = 200;
+
+ memset(dmae, 0, sizeof(struct dmae_command));
+
+ dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
+ DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
+ DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0));
+ dmae->src_addr_lo = U64_LO(dma_addr);
+ dmae->src_addr_hi = U64_HI(dma_addr);
+ dmae->dst_addr_lo = wb_addr >> 2;
+ dmae->dst_addr_hi = 0;
+ dmae->len = wb_len;
+ 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 = BNX2X_WB_COMP_VAL;
+
+/*
+ DP(NETIF_MSG_DMAE, "dmae: opcode 0x%08x\n"
+ DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
+ "dst_addr [%x:%08x (%08x)]\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->dst_addr_hi, dmae->dst_addr_lo, wb_addr,
+ dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
+*/
+/*
+ DP(NETIF_MSG_DMAE, "data [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]);
+*/
+
+ *wb_comp = 0;
+
+ bnx2x_post_dmae(bp, port ? 15 : 14);
+
+ REG_WR32(bp, GRCBASE_DMAE,
+ (bp->port ? DMAE_REGISTERS_GO_C15 :
+ DMAE_REGISTERS_GO_C14), 1);
+ udelay(5);
+ while (*wb_comp != BNX2X_WB_COMP_VAL) {
+/* DP(NETIF_MSG_DMAE, "wb_comp 0x%08x\n", *wb_comp); */
+ udelay(5);
+ if (!timeout) {
+ BNX2X_ERR("dmae timeout!\n");
+ break;
+ }
+ timeout--;
+ }
+}
+
+#ifdef BNX2X_DMAE_RD
+static void bnx2x_read_dmae(struct bnx2x *bp, u32 wb_addr, u32 wb_len)
+{
+ struct dmae_command *dmae = &bp->dmae;
+ int port = bp->port;
+ u32 *wb_comp = bnx2x_sp(bp, wb_comp);
+ int timeout = 200;
+
+ memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4);
+ memset(dmae, 0, sizeof(struct dmae_command));
+
+ dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
+ DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
+ DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0));
+ dmae->src_addr_lo = wb_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 = wb_len;
+ 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 = BNX2X_WB_COMP_VAL;
+
+/*
+ DP(NETIF_MSG_DMAE, "dmae: opcode 0x%08x\n"
+ DP_LEVEL "src_addr [%x:%08x] len [%d *4] "
+ "dst_addr [%x:%08x (%08x)]\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->dst_addr_hi, dmae->dst_addr_lo, wb_addr,
+ dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val);
+*/
+
+ *wb_comp = 0;
+
+ bnx2x_post_dmae(bp, port ? 15 : 14);
+
+ REG_WR32(bp, GRCBASE_DMAE,
+ (bp->port ? DMAE_REGISTERS_GO_C15 :
+ DMAE_REGISTERS_GO_C14), 1);
+ udelay(5);
+ while (*wb_comp != BNX2X_WB_COMP_VAL) {
+ udelay(5);
+ if (!timeout) {
+ BNX2X_ERR("dmae timeout!\n");
+ break;
+ }
+ timeout--;
+ }
+/*
+ DP(NETIF_MSG_DMAE, "data [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]);
+*/
+}
+#endif
+
+static void bnx2x_panic_dump(struct bnx2x *bp)
+{
+ int i;
+ u16 j, start, end;
+
+ BNX2X_ERR("begin crash dump -----------------\n");
+
+ for_each_queue(bp, i) {
+ struct bnx2x_fastpath *fp = &bp->fp[i];
+ struct eth_tx_db_data *hw_prods = fp->hw_tx_prods;
+
+ BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)"
+ " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)"
+ " *rx_cons_sb(%x) rx_comp_prod(%x)"
+ " rx_comp_cons(%x) fp_c_idx(%x) fp_u_idx(%x)"
+ " bd data(%x,%x)\n",
+ i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod,
+ fp->tx_bd_cons, *fp->tx_cons_sb, *fp->rx_cons_sb,
+ fp->rx_comp_prod, fp->rx_comp_cons, fp->fp_c_idx,
+ fp->fp_u_idx, hw_prods->packets_prod,
+ hw_prods->bds_prod);
+
+ start = TX_BD(*fp->tx_cons_sb - 10);
+ end = TX_BD(*fp->tx_cons_sb + 245);
+ for (j = start; j < end; j++) {
+ struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j];
+
+ BNX2X_ERR("packet[%x]=[%p,%x]\n", j,
+ sw_bd->skb, sw_bd->first_bd);
+ }
+
+ start = TX_BD(fp->tx_bd_cons - 10);
+ end = TX_BD(fp->tx_bd_cons + 254);
+ for (j = start; j < end; j++) {
+ u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j];
+
+ BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n",
+ j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]);
+ }
+
+ start = RX_BD(*fp->rx_cons_sb - 10);
+ end = RX_BD(*fp->rx_cons_sb + 503);
+ for (j = start; j < end; j++) {
+ u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j];
+ struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j];
+
+ BNX2X_ERR("rx_bd[%x]=[%x:%x:%x:%x] sw_bd=[%p]\n",
+ j, rx_bd[0], rx_bd[1], rx_bd[2], rx_bd[3],
+ sw_bd->skb);
+ }
+
+ start = RX_BD(fp->rx_comp_cons - 10);
+ end = RX_BD(fp->rx_comp_cons + 503);
+ for (j = start; j < end; j++) {
+ u32 *cqe = (u32 *)&fp->rx_comp_ring[j];
+
+ BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n",
+ j, cqe[0], cqe[1], cqe[2], cqe[3]);
+ }
+ }
+
+ BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_t_idx(%u)"
+ " def_x_idx(%u) def_att_idx(%u) attn_state(%u)"
+ " spq_prod_idx(%u) spq_con_idx(%u)\n",
+ bp->def_c_idx, bp->def_u_idx, bp->def_t_idx, bp->def_x_idx,
+ bp->def_att_idx, bp->attn_state, bp->spq_prod_idx,
+ bp->spq_con_idx);
+
+ bnx2x_idle_chk(bp);
+ bnx2x_mc_assert(bp);
+ BNX2X_ERR("end crash dump -----------------\n");
+
+ bp->stats_state = STATS_STATE_DISABLE;
+ DP(BNX2X_MSG_STATS, "stats_state - DISABLE\n");
+}
+
+static void bnx2x_enable_int(struct bnx2x *bp)
+{
+ int port = bp->port;
+ u32 addr = port ? HC_REGISTERS_CONFIG_1 : HC_REGISTERS_CONFIG_0;
+ u32 val = REG_RD(bp, GRCBASE_HC, addr);
+ int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
+
+ if (msix) {
+ val &= ~HC_CONFIG_0_REGISTERS_SINGLE_ISR_EN_0;
+ val |= (HC_CONFIG_0_REGISTERS_MSI_MSIX_INT_EN_0 |
+ HC_CONFIG_0_REGISTERS_ATTN_BIT_EN_0);
+ } else {
+ val |= (HC_CONFIG_0_REGISTERS_SINGLE_ISR_EN_0 |
+ HC_CONFIG_0_REGISTERS_INT_LINE_EN_0 |
+ HC_CONFIG_0_REGISTERS_ATTN_BIT_EN_0);
+ val &= ~HC_CONFIG_0_REGISTERS_MSI_MSIX_INT_EN_0;
+ }
+
+ DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) msi %d\n",
+ val, port, GRCBASE_HC + addr, msix);
+
+ REG_WR(bp, GRCBASE_HC, addr, val);
+}
+
+static void bnx2x_disable_int(struct bnx2x *bp)
+{
+ int port = bp->port;
+ u32 addr = port ? HC_REGISTERS_CONFIG_1 : HC_REGISTERS_CONFIG_0;
+ u32 val = REG_RD(bp, GRCBASE_HC, addr);
+
+ val &= ~(HC_CONFIG_0_REGISTERS_SINGLE_ISR_EN_0 |
+ HC_CONFIG_0_REGISTERS_MSI_MSIX_INT_EN_0 |
+ HC_CONFIG_0_REGISTERS_INT_LINE_EN_0 |
+ HC_CONFIG_0_REGISTERS_ATTN_BIT_EN_0);
+
+ DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n",
+ val, port, GRCBASE_HC + addr);
+
+ REG_WR(bp, GRCBASE_HC, addr, val);
+ if (REG_RD(bp, GRCBASE_HC, addr) != val) {
+ BNX2X_ERR("BUG! proper val not read from IGU!\n");
+ }
+}
+
+static void bnx2x_disable_int_sync(struct bnx2x *bp)
+{
+ int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0;
+ int i;
+
+ atomic_inc(&bp->intr_sem);
+ bnx2x_disable_int(bp);
+
+ /* Disable SP tasklet */
+ tasklet_disable(&bp->sp_task);
+
+ if (msix) {
+ for_each_queue(bp, i) {
+ synchronize_irq(bp->msix_table[i].vector);
+ }
+ /* one more for the Slow Path IRQ */
+ synchronize_irq(bp->msix_table[i].vector);
+ } else {
+ synchronize_irq(bp->pdev->irq);
+ }
+}
+
+/* fast path */
+
+/****************************************************************************
+* General service functions
+****************************************************************************/
+
+static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 id,
+ u8 storm, u16 index, u8 op, u8 update)
+{
+ u16 flags;
+ u32 igu_addr = (IGU_ADDR_INT_ACK + IGU_PORT_BASE * bp->port) * 8;
+ u32 command;
+
+ flags = ((id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) |
+ (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) |
+ (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) |
+ (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT));
+
+ command = (flags << 16) | index;
+
+ REG_WR(bp, BAR_IGU_INTMEM, igu_addr, command);
+}
+
+static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp)
+{
+ struct host_status_block *fpsb = fp->status_blk;
+ u16 rc = 0;
+
+ if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) {
+ fp->fp_c_idx = fpsb->c_status_block.status_block_index;
+ rc |= 1;
+ }
+ if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) {
+ fp->fp_u_idx = fpsb->u_status_block.status_block_index;
+ rc |= 2;
+ }
+ rmb(); /* TBD chack this */
+ return rc;
+}
+
+static inline int bnx2x_has_work(struct bnx2x_fastpath *fp)
+{
+ u16 rx_cons_sb = *fp->rx_cons_sb;
+
+ if ((rx_cons_sb & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT)
+ rx_cons_sb++;
+
+ if ((rx_cons_sb != fp->rx_comp_cons) ||
+ (*fp->tx_cons_sb != fp->tx_pkt_cons))
+ return 1;
+
+ return 0;
+}
+
+static u16 bnx2x_ack_int(struct bnx2x *bp)
+{
+ u32 igu_addr = (IGU_ADDR_SIMD_MASK + IGU_PORT_BASE * bp->port) * 8;
+ u32 result = REG_RD(bp, BAR_IGU_INTMEM, igu_addr);
+
+/* DP(NETIF_MSG_INTR, "read 0x%08x from IGU addr 0x%x\n", result,
+ BAR_IGU_INTMEM + igu_addr); */
+
+#ifdef IGU_DEBUG
+#warning IGU_DEBUG active
+ if (result == 0) {
+ BNX2X_ERR("read %x from IGU\n", result);
+ REG_WR(bp, GRCBASE_TIMERS, TM_REGISTERS_TIMER_SOFT_RST, 0);
+ }
+#endif
+ return result;
+}
+
+
+/****************************************************************************
+* fast path service functions
+****************************************************************************/
+
+/* free skb in the packet ring at pos idx
+ return idx of last bd freed */
+static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
+ u16 idx)
+{
+ struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx];
+ struct eth_tx_bd *tx_bd;
+ struct sk_buff *skb = tx_buf->skb;
+ u16 bd_idx = tx_buf->first_bd;
+ int nbd;
+
+ DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n",
+ idx, tx_buf, skb);
+
+ /* unmap first bd */
+ DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
+ tx_bd = &fp->tx_desc_ring[bd_idx];
+ pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd),
+ BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
+
+ nbd = tx_bd->nbd - 1;
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (nbd > (MAX_SKB_FRAGS + 2)) {
+ BNX2X_ERR("bad nbd!\n");
+ bnx2x_panic();
+ }
+#endif
+
+ /* Skip a parse bd and the TSO split header bd
+ since they have no mapping */
+ if (nbd)
+ bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
+
+ if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM |
+ ETH_TX_BD_FLAGS_TCP_CSUM |
+ ETH_TX_BD_FLAGS_SW_LSO)) {
+ if (--nbd)
+ bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
+ tx_bd = &fp->tx_desc_ring[bd_idx];
+ /* is this a TSO heder split bd? */
+ if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) {
+ if (--nbd)
+ bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
+ }
+ }
+
+ /* now free frags */
+ while (nbd > 0) {
+
+ DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
+ tx_bd = &fp->tx_desc_ring[bd_idx];
+ pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd),
+ BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE);
+ if (--nbd)
+ bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
+ }
+
+ /* release skb */
+ BUG_TRAP(skb);
+ dev_kfree_skb(skb);
+ tx_buf->first_bd = 0;
+ tx_buf->skb = NULL;
+
+ return bd_idx;
+}
+
+static inline u32 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
+{
+ u16 used;
+ u32 prod;
+ u32 cons;
+
+ /* Tell compiler that prod and cons can change. */
+ barrier();
+ prod = fp->tx_bd_prod;
+ cons = fp->tx_bd_cons;
+
+ used = (NUM_TX_BD - NUM_TX_RINGS + prod - cons +
+ (cons / TX_DESC_CNT) - (prod / TX_DESC_CNT));
+
+ if (prod >= cons) {
+ /* used = prod - cons - prod/size + cons/size */
+ used -= NUM_TX_BD - NUM_TX_RINGS;
+ }
+
+ BUG_TRAP(used <= fp->bp->tx_ring_size);
+ BUG_TRAP((fp->bp->tx_ring_size - used) <= MAX_TX_AVAIL);
+
+ return (fp->bp->tx_ring_size - used);
+}
+
+static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work)
+{
+ struct bnx2x *bp = fp->bp;
+ u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons;
+ int done = 0;
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic)) {
+ return;
+ }
+#endif
+
+ hw_cons = *fp->tx_cons_sb;
+ sw_cons = fp->tx_pkt_cons;
+
+ while (sw_cons != hw_cons) {
+ u16 pkt_cons;
+
+ pkt_cons = TX_BD(sw_cons);
+
+ /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */
+
+ DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %d\n",
+ hw_cons, sw_cons, pkt_cons);
+
+/* if (NEXT_TX_IDX(sw_cons) != hw_cons) {
+ rmb();
+ prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb);
+ }
+*/
+ bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons);
+ sw_cons++;
+ done++;
+
+ if (done == work) {
+ break;
+ }
+ }
+
+ fp->tx_pkt_cons = sw_cons;
+ fp->tx_bd_cons = bd_cons;
+
+ /* Need to make the tx_cons update visible to start_xmit()
+ * before checking for netif_queue_stopped(). Without the
+ * memory barrier, there is a small possibility that start_xmit()
+ * will miss it and cause the queue to be stopped forever.
+ */
+ smp_mb();
+
+ /* TBD need a thresh? */
+ if (unlikely(netif_queue_stopped(bp->dev))) {
+ netif_tx_lock(bp->dev);
+ if ((netif_queue_stopped(bp->dev)) &&
+ (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)) {
+ netif_wake_queue(bp->dev);
+ }
+ netif_tx_unlock(bp->dev);
+ }
+}
+
+static void bnx2x_sp_event(struct bnx2x_fastpath *fp,
+ 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 = ((rr_cqe->ramrod_cqe.conn_and_cmd_data) >>
+ COMMON_RAMROD_ETH_RX_CQE_CMD_ID_SHIFT);
+
+ DP(NETIF_MSG_RX_STATUS,
+ "fp %d cid %d got ramrod #%d state is %x type is %d\n",
+ fp->index, cid, command, bp->state, rr_cqe->ramrod_cqe.type);
+
+ bp->spq_left++;
+
+ switch (command | bp->state) {
+ case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT):
+ DP(NETIF_MSG_IFUP, "got setup ramrod\n");
+ bp->state = BNX2X_STATE_OPEN;
+ break;
+
+ case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT):
+ DP(NETIF_MSG_IFDOWN, "got halt ramrod\n");
+ bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE;
+ fp->state = BNX2X_FP_STATE_HALTED;
+ break;
+
+ case (RAMROD_CMD_ID_ETH_PORT_DEL | BNX2X_STATE_CLOSING_WAIT4_DELETE):
+ DP(NETIF_MSG_IFDOWN, "got delete ramrod\n");
+ bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD;
+ break;
+
+ case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN):
+ DP(NETIF_MSG_IFUP, "got set mac ramrod\n");
+ break;
+
+ default:
+ BNX2X_ERR("unexpected ramrod (%d) state is %x\n",
+ command, bp->state);
+ }
+}
+
+static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
+ struct bnx2x_fastpath *fp, u16 index)
+{
+ struct sk_buff *skb;
+ struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index];
+ struct eth_rx_bd *rxbd = &fp->rx_desc_ring[index];
+ dma_addr_t mapping;
+
+ skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size);
+ if (unlikely(skb == NULL)) {
+ return -ENOMEM;
+ }
+
+ mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_use_size,
+ PCI_DMA_FROMDEVICE);
+ if (unlikely(dma_mapping_error(mapping))) {
+ dev_kfree_skb(skb);
+ return -ENOMEM;
+ }
+
+ rx_buf->skb = skb;
+ pci_unmap_addr_set(rx_buf, mapping, mapping);
+#ifdef BNX2X_STOP_ON_ERROR
+ rxbd->reserved = fp->last_alloc++;
+#else
+ rxbd->reserved = 0;
+#endif
+ rxbd->len = bp->rx_buf_use_size;
+ rxbd->addr_hi = U64_HI(mapping);
+ rxbd->addr_lo = U64_LO(mapping);
+
+ return 0;
+}
+
+/* note that we are not allocating a new skb,
+ * we are just moving one from cons to prod
+ * we are not creating a new mapping,
+ * so there is no need to check for dma_mapping_error().
+ */
+static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
+ struct sk_buff *skb, u16 cons, u16 prod)
+{
+ struct bnx2x *bp = fp->bp;
+ struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons];
+ struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod];
+ struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
+ struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
+
+ pci_dma_sync_single_for_device(bp->pdev,
+ pci_unmap_addr(cons_rx_buf, mapping),
+ bp->rx_offset + RX_COPY_THRESH,
+ PCI_DMA_FROMDEVICE);
+
+ prod_rx_buf->skb = cons_rx_buf->skb;
+ pci_unmap_addr_set(prod_rx_buf, mapping,
+ pci_unmap_addr(cons_rx_buf, mapping));
+ *prod_bd = *cons_bd;
+#ifdef BNX2X_STOP_ON_ERROR
+ prod_bd->reserved = fp->last_alloc++;
+#endif
+}
+
+static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
+{
+ struct bnx2x *bp = fp->bp;
+ u16 bd_cons, bd_prod, comp_ring_prod, comp_ring_cons;
+ u16 hw_comp_cons, sw_comp_cons, sw_comp_prod;
+ int rx_pkt = 0;
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic)) {
+ return 0;
+ }
+#endif
+
+ hw_comp_cons = *fp->rx_cons_sb;
+ if ((hw_comp_cons & MAX_RX_DESC_CNT) == MAX_RX_DESC_CNT) {
+ hw_comp_cons++;
+ }
+
+ bd_cons = fp->rx_bd_cons;
+ bd_prod = fp->rx_bd_prod;
+ sw_comp_cons = fp->rx_comp_cons;
+ sw_comp_prod = fp->rx_comp_prod;
+
+ /* Memory barrier necessary as speculative reads of the rx
+ * buffer can be ahead of the index in the status block
+ */
+ rmb();
+
+ DP(NETIF_MSG_RX_STATUS,
+ "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n",
+ fp->index, hw_comp_cons, sw_comp_cons);
+
+ while (sw_comp_cons != hw_comp_cons) {
+ unsigned int len, pad;
+ struct sw_rx_bd *rx_buf;
+ struct sk_buff *skb;
+ union eth_rx_cqe *cqe;
+
+ comp_ring_prod = RX_BD(sw_comp_prod);
+ comp_ring_cons = RX_BD(sw_comp_cons);
+ bd_prod = RX_BD(bd_prod);
+ bd_cons = RX_BD(bd_cons);
+
+ cqe = &fp->rx_comp_ring[comp_ring_cons];
+
+ DP(NETIF_MSG_RX_STATUS, "hw_comp_cons %u sw_comp_cons %u"
+ " comp_ring (%u,%u) bd_ring (%u,%u)\n",
+ hw_comp_cons, sw_comp_cons, comp_ring_prod,
+ comp_ring_cons, bd_prod, bd_cons);
+ DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x"
+ " queue %x vlan %x len %x csum %x\n",
+ cqe->fast_path_cqe.type, cqe->fast_path_cqe.error_flags,
+ cqe->fast_path_cqe.status_flags,
+ cqe->fast_path_cqe.rss_hash_result,
+ cqe->fast_path_cqe.vlan_tag,
+ cqe->fast_path_cqe.pkt_len, cqe->fast_path_cqe.l4_csum);
+
+ /* is this a slowpath msg? */
+ if (unlikely(cqe->fast_path_cqe.type)) {
+ bnx2x_sp_event(fp, cqe);
+ goto next_cqe;
+
+ /* this is an rx packet */
+ } else {
+ rx_buf = &fp->rx_buf_ring[bd_cons];
+ skb = rx_buf->skb;
+
+ len = cqe->fast_path_cqe.pkt_len;
+ pad = cqe->fast_path_cqe.placement_offset;
+
+ pci_dma_sync_single_for_device(bp->pdev,
+ pci_unmap_addr(rx_buf, mapping),
+ pad + RX_COPY_THRESH,
+ PCI_DMA_FROMDEVICE);
+ prefetch(skb);
+ prefetch(((char *)(skb)) + 128);
+
+#ifdef BNX2X_STOP_ON_ERROR
+ BUG_TRAP(fp->rx_desc_ring[bd_cons].reserved ==
+ fp->next_free);
+ fp->next_free++;
+#endif
+ /* is this an error packet? */
+ if (unlikely(cqe->fast_path_cqe.error_flags)) {
+ /* do we sometimes forward error packets anyway? */
+ DP(NETIF_MSG_RX_ERR,
+ "ERROR flags(%u) Rx packet(%u)\n",
+ cqe->fast_path_cqe.error_flags,
+ sw_comp_cons);
+ /* TBD make sure MC counts this as a drop */
+ goto reuse_rx;
+ }
+
+ /* Since we don't have a jumbo ring
+ * copy small packets if mtu > 1500
+ */
+ if ((bp->dev->mtu > 1500) &&
+ (len <= RX_COPY_THRESH)) {
+ struct sk_buff *new_skb;
+
+ new_skb = netdev_alloc_skb(bp->dev,
+ len + pad);
+ if (new_skb == NULL) {
+ DP(NETIF_MSG_RX_ERR,
+ "ERROR packet dropped "
+ "because of alloc failure\n");
+ /* TBD count this as a drop? */
+ goto reuse_rx;
+ }
+
+ /* aligned copy */
+ skb_copy_from_linear_data_offset(skb, pad,
+ new_skb->data
+ + pad, len);
+
+ skb_reserve(new_skb, pad);
+ skb_put(new_skb, len);
+
+ bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
+
+ skb = new_skb;
+
+ } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) {
+ pci_unmap_single(bp->pdev,
+ pci_unmap_addr(rx_buf,
+ mapping),
+ bp->rx_buf_use_size,
+ PCI_DMA_FROMDEVICE);
+ skb_reserve(skb, pad);
+ skb_put(skb, len);
+
+ } else {
+ DP(NETIF_MSG_RX_ERR,
+ "ERROR packet dropped because "
+ "of alloc failure\n");
+reuse_rx:
+ bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod);
+ goto next_rx;
+ }
+
+ skb->protocol = eth_type_trans(skb, bp->dev);
+
+ skb->ip_summed = CHECKSUM_NONE;
+ if (bp->rx_csum && BNX2X_RX_SUM_OK(cqe))
+ skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+ /* TBD do we pass bad csum packets on promisc?
+ * if (unlikely(cqe->fast_path_cqe.error_flags))
+ * skb->ip_summed = CHECKSUM_NONE;
+ */
+ }
+
+#ifdef BCM_VLAN
+ if ((cqe->fast_path_cqe.pars_flags.flags
+ & PARSING_FLAGS_NUMBER_OF_NESTED_VLANS)
+ && (bp->vlgrp != 0)) {
+ vlan_hwaccel_receive_skb(skb, bp->vlgrp,
+ cqe->fast_path_cqe.vlan_tag);
+ } else
+#endif
+ netif_receive_skb(skb);
+
+ bp->dev->last_rx = jiffies;
+
+next_rx:
+ rx_buf->skb = NULL;
+
+ bd_cons = NEXT_RX_IDX(bd_cons);
+ bd_prod = NEXT_RX_IDX(bd_prod);
+next_cqe:
+ sw_comp_prod = NEXT_RX_IDX(sw_comp_prod);
+ sw_comp_cons = NEXT_RX_IDX(sw_comp_cons);
+ rx_pkt++;
+
+ if ((rx_pkt == budget))
+ break;
+ } /* while */
+
+ fp->rx_bd_cons = bd_cons;
+ fp->rx_bd_prod = bd_prod;
+ fp->rx_comp_cons = sw_comp_cons;
+ fp->rx_comp_prod = sw_comp_prod;
+
+ REG_WR(bp, BAR_TSTRORM_INTMEM,
+ TSTORM_RCQ_PROD_OFFSET(bp->port, fp->index), sw_comp_prod);
+
+ mmiowb();
+
+ fp->rx_pkt += rx_pkt;
+ fp->rx_calls++;
+
+ return rx_pkt;
+}
+
+static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie)
+{
+ struct bnx2x_fastpath *fp = fp_cookie;
+ struct bnx2x *bp = fp->bp;
+ struct net_device *dev = bp->dev;
+
+ DP(NETIF_MSG_INTR, "got an msix interrupt on [%d]\n", fp->index);
+ bnx2x_ack_sb(bp, fp->index, USTORM_ID, 0, IGU_INT_DISABLE, 0);
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic)) {
+ return IRQ_HANDLED;
+ }
+#endif
+
+ prefetch(fp->rx_cons_sb);
+ prefetch(fp->tx_cons_sb);
+ prefetch(&fp->status_blk->c_status_block.status_block_index);
+ prefetch(&fp->status_blk->u_status_block.status_block_index);
+ netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance)
+{
+ struct net_device *dev = dev_instance;
+ struct bnx2x *bp = netdev_priv(dev);
+ u16 status = bnx2x_ack_int(bp);
+
+ if (unlikely(status == 0)) {
+ DP(NETIF_MSG_INTR, "not our interrupt!\n");
+ return IRQ_NONE;
+ }
+
+ DP(NETIF_MSG_INTR, "got an interrupt status is %u\n", status);
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic)) {
+ return IRQ_HANDLED;
+ }
+#endif
+
+ /* Return here if interrupt is shared and is disabled */
+ if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
+ DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
+ return IRQ_HANDLED;
+ }
+
+ if (status & 0x2) {
+ struct bnx2x_fastpath *fp = &bp->fp[0];
+
+ prefetch(fp->rx_cons_sb);
+ prefetch(fp->tx_cons_sb);
+ prefetch(&fp->status_blk->c_status_block.status_block_index);
+ prefetch(&fp->status_blk->u_status_block.status_block_index);
+
+ netif_rx_schedule(dev, &bnx2x_fp(bp, 0, napi));
+
+ status &= ~0x2;
+ if (!status) {
+ return IRQ_HANDLED;
+ }
+ }
+
+ if (unlikely(status & 0x1)) {
+ tasklet_schedule(&bp->sp_task);
+
+ status &= ~0x1;
+ if (!status) {
+ return IRQ_HANDLED;
+ }
+ }
+
+ DP(NETIF_MSG_INTR, "got an unknown interrupt! (status is %u)\n",
+ status);
+
+ return IRQ_HANDLED;
+}
+
+/* end of fast path */
+
+/* PHY/MAC */
+
+/****************************************************************************
+* General service functions
+****************************************************************************/
+
+static void bnx2x_leds_set(struct bnx2x *bp, unsigned int speed)
+{
+ u32 val;
+ int port = bp->port;
+
+ NIG_WR(NIG_REGISTERS_LED_MODE_P0 + port*4,
+ ((bp->hw_config & SHARED_HW_CFG_LED_MODE_MASK) >>
+ SHARED_HW_CFG_LED_MODE_SHIFT));
+ NIG_WR(NIG_REGISTERS_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0);
+
+ switch (speed) {
+ case SPEED_1000:
+ val = 0x3ff;
+ break;
+
+ case SPEED_100:
+ val = 0x7ff;
+ break;
+
+ case SPEED_10:
+ val = 0xfff;
+ break;
+
+ default: /* 2.5G and up */
+ val = 0xff;
+ break;
+ }
+ NIG_WR(NIG_REGISTERS_LED_CONTROL_BLINK_RATE_P0 + port*4, val);
+ NIG_WR(NIG_REGISTERS_LED_CONTROL_BLINK_RATE_ENA_P0 + port*4, 1);
+}
+
+static void bnx2x_leds_unset(struct bnx2x *bp)
+{
+ int port = bp->port;
+
+ NIG_WR(NIG_REGISTERS_LED_10G_P0 + port*4, 0);
+
+ NIG_WR(NIG_REGISTERS_LED_MODE_P0 + port*4, SHARED_HW_CFG_LED_MAC1);
+}
+
+static u32 bnx2x_bits_en(struct bnx2x *bp, u32 block, u32 reg,
+ u32 bits)
+{
+ u32 val = REG_RD(bp, block, reg);
+
+ val |= bits;
+ REG_WR(bp, block, reg, val);
+ return val;
+}
+
+static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 block, u32 reg,
+ u32 bits)
+{
+ u32 val = REG_RD(bp, block, reg);
+
+ val &= ~bits;
+ REG_WR(bp, block, reg, val);
+ return val;
+}
+
+static int bnx2x_mdio22_write(struct bnx2x *bp, u32 reg, u32 val)
+{
+ int rc;
+ u32 tmp, i;
+ int port = bp->port;
+ u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+
+/* DP(NETIF_MSG_HW, "phy_addr 0x%x reg 0x%x val 0x%08x\n",
+ bp->phy_addr, reg, val); */
+
+ if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
+
+ tmp = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ tmp &= ~EMAC_MDIO_MODE_AUTO_POLL;
+ EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp);
+ REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ udelay(40);
+ }
+
+ tmp = ((bp->phy_addr << 21) | (reg << 16) |
+ (val & EMAC_MDIO_COMM_DATA) |
+ EMAC_MDIO_COMM_COMMAND_WRITE_22 |
+ EMAC_MDIO_COMM_START_BUSY);
+ EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, tmp);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ tmp = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_COMM);
+ if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
+ udelay(5);
+ break;
+ }
+ }
+
+ if (tmp & EMAC_MDIO_COMM_START_BUSY) {
+ BNX2X_ERR("write phy register failed\n");
+
+ rc = -EBUSY;
+ } else {
+ rc = 0;
+ }
+
+ if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
+
+ tmp = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ tmp |= EMAC_MDIO_MODE_AUTO_POLL;
+ EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp);
+ }
+
+ return rc;
+}
+
+static int bnx2x_mdio22_read(struct bnx2x *bp, u32 reg, u32 *ret_val)
+{
+ int rc;
+ u32 val, i;
+ int port = bp->port;
+ u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+
+ if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
+
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ val &= ~EMAC_MDIO_MODE_AUTO_POLL;
+ EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val);
+ REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ udelay(40);
+ }
+
+ val = ((bp->phy_addr << 21) | (reg << 16) |
+ EMAC_MDIO_COMM_COMMAND_READ_22 |
+ EMAC_MDIO_COMM_START_BUSY);
+ EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, val);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_COMM);
+ if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
+ val &= EMAC_MDIO_COMM_DATA;
+ break;
+ }
+ }
+
+ if (val & EMAC_MDIO_COMM_START_BUSY) {
+ BNX2X_ERR("read phy register failed\n");
+
+ *ret_val = 0x0;
+ rc = -EBUSY;
+ } else {
+ *ret_val = val;
+ rc = 0;
+ }
+
+ if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
+
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ val |= EMAC_MDIO_MODE_AUTO_POLL;
+ EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val);
+ }
+
+/* DP(NETIF_MSG_HW, "phy_addr 0x%x reg 0x%x ret_val 0x%08x\n",
+ bp->phy_addr, reg, *ret_val); */
+
+ return rc;
+}
+
+static int bnx2x_mdio45_write(struct bnx2x *bp, u32 reg, u32 addr, u32 val)
+{
+ int rc = 0;
+ u32 tmp, i;
+ int port = bp->port;
+ u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+
+ if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
+
+ tmp = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ tmp &= ~EMAC_MDIO_MODE_AUTO_POLL;
+ EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp);
+ REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ udelay(40);
+ }
+
+ /* set clause 45 mode */
+ tmp = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ tmp |= EMAC_MDIO_MODE_CLAUSE_45;
+ EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp);
+
+ /* address */
+ tmp = ((bp->phy_addr << 21) | (reg << 16) | addr |
+ EMAC_MDIO_COMM_COMMAND_ADDRESS |
+ EMAC_MDIO_COMM_START_BUSY);
+ EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, tmp);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ tmp = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_COMM);
+ if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
+ udelay(5);
+ break;
+ }
+ }
+
+ if (tmp & EMAC_MDIO_COMM_START_BUSY) {
+ BNX2X_ERR("write phy register failed\n");
+
+ rc = -EBUSY;
+ } else {
+ /* data */
+ tmp = ((bp->phy_addr << 21) | (reg << 16) | val |
+ EMAC_MDIO_COMM_COMMAND_WRITE_45 |
+ EMAC_MDIO_COMM_START_BUSY);
+ EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, tmp);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ tmp = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_COMM);
+ if (!(tmp & EMAC_MDIO_COMM_START_BUSY)) {
+ udelay(5);
+ break;
+ }
+ }
+
+ if (tmp & EMAC_MDIO_COMM_START_BUSY) {
+ BNX2X_ERR("write phy register failed\n");
+
+ rc = -EBUSY;
+ }
+ }
+
+ /* unset clause 45 mode */
+ tmp = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ tmp &= ~EMAC_MDIO_MODE_CLAUSE_45;
+ EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp);
+
+ if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
+
+ tmp = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ tmp |= EMAC_MDIO_MODE_AUTO_POLL;
+ EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, tmp);
+ }
+
+ return rc;
+}
+
+static int bnx2x_mdio45_read(struct bnx2x *bp, u32 reg, u32 addr,
+ u32 *ret_val)
+{
+ int rc = 0;
+ u32 val, i;
+ int port = bp->port;
+ u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+
+ if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
+
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ val &= ~EMAC_MDIO_MODE_AUTO_POLL;
+ EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val);
+ REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ udelay(40);
+ }
+
+ /* set clause 45 mode */
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ val |= EMAC_MDIO_MODE_CLAUSE_45;
+ EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val);
+
+ /* address */
+ val = ((bp->phy_addr << 21) | (reg << 16) | addr |
+ EMAC_MDIO_COMM_COMMAND_ADDRESS |
+ EMAC_MDIO_COMM_START_BUSY);
+ EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, val);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_COMM);
+ if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
+ udelay(5);
+ break;
+ }
+ }
+
+ if (val & EMAC_MDIO_COMM_START_BUSY) {
+ BNX2X_ERR("read phy register failed\n");
+
+ *ret_val = 0;
+ rc = -EBUSY;
+ } else {
+ /* data */
+ val = ((bp->phy_addr << 21) | (reg << 16) |
+ EMAC_MDIO_COMM_COMMAND_READ_45 |
+ EMAC_MDIO_COMM_START_BUSY);
+ EMAC_WR(EMAC_REG_EMAC_MDIO_COMM, val);
+
+ for (i = 0; i < 50; i++) {
+ udelay(10);
+
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_COMM);
+ if (!(val & EMAC_MDIO_COMM_START_BUSY)) {
+ val &= EMAC_MDIO_COMM_DATA;
+ break;
+ }
+ }
+
+ if (val & EMAC_MDIO_COMM_START_BUSY) {
+ BNX2X_ERR("read phy register failed\n");
+
+ val = 0;
+ rc = -EBUSY;
+ }
+
+ *ret_val = val;
+ }
+
+ /* unset clause 45 mode */
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ val &= ~EMAC_MDIO_MODE_CLAUSE_45;
+ EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val);
+
+ if (bp->phy_flags & PHY_INT_MODE_AUTO_POLLING_FLAG) {
+
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_MDIO_MODE);
+ val |= EMAC_MDIO_MODE_AUTO_POLL;
+ EMAC_WR(EMAC_REG_EMAC_MDIO_MODE, val);
+ }
+
+ return rc;
+}
+
+static int bnx2x_mdio45_vwrite(struct bnx2x *bp, u32 reg, u32 addr, u32
val)
+{
+ int i;
+ u32 rd_val;
+
+ for (i = 0; i < 10; i++) {
+ bnx2x_mdio45_write(bp, reg, addr, val);
+ mdelay(5);
+ bnx2x_mdio45_read(bp, reg, addr, &rd_val);
+ /* if the read value is not the same as the value we wrote,
+ we should write it again */
+ if (rd_val == val) {
+ return 0;
+ }
+ }
+ BNX2X_ERR("MDIO write in CL45 failed\n");
+ return -EBUSY;
+}
+
+/****************************************************************************
+* Deferred Interrupt service functions
+****************************************************************************/
+
+static void bnx2x_flow_ctrl_resolve(struct bnx2x *bp, u32 gp_status)
+{
+ u32 ld_pause; /* local driver */
+ u32 lp_pause; /* link partner */
+ u32 pause_result;
+
+ bp->flow_ctrl = 0;
+
+ /* reolve from gp_status in case of AN complete and not sgmii */
+ if ((bp->req_autoneg & AUTONEG_FLOW_CTRL) &&
+ (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) &&
+ (!(bp->phy_flags & PHY_SGMII_FLAG)) &&
+ (XGXS_EXT_PHY_TYPE(bp) == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)) {
+
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0);
+ bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_AUTO_NEG_ADV,
+ &ld_pause);
+ bnx2x_mdio22_read(bp,
+ MDIO_COMBO_IEEE0_AUTO_NEG_LINK_PARTNER_ABILITY1,
+ &lp_pause);
+ pause_result = (ld_pause &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>5;
+ pause_result |= (lp_pause &
+ MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_MASK)>>7;
+ DP(NETIF_MSG_LINK, "pause_result 0x%x\n", pause_result);
+
+ switch (pause_result) { /* ASYM P ASYM P */
+ case 0xb: /* 1 0 1 1 */
+ bp->flow_ctrl = FLOW_CTRL_TX;
+ break;
+
+ case 0xe: /* 1 1 1 0 */
+ bp->flow_ctrl = FLOW_CTRL_RX;
+ break;
+
+ case 0x5: /* 0 1 0 1 */
+ case 0x7: /* 0 1 1 1 */
+ case 0xd: /* 1 1 0 1 */
+ case 0xf: /* 1 1 1 1 */
+ bp->flow_ctrl = FLOW_CTRL_BOTH;
+ break;
+
+ default:
+ break;
+ }
+
+ } else { /* forced mode */
+ bp->flow_ctrl = bp->req_flow_ctrl;
+ if (bp->req_flow_ctrl == FLOW_CTRL_AUTO) {
+ bp->flow_ctrl = FLOW_CTRL_BOTH;
+ }
+ }
+ DP(NETIF_MSG_LINK, "flow_ctrl 0x%x\n", bp->flow_ctrl);
+}
+
+static void bnx2x_link_settings_status(struct bnx2x *bp, u32 gp_status)
+{
+ bp->link_status = 0;
+
+ if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) {
+ DP(NETIF_MSG_LINK, "link up\n");
+
+ bp->link_up = 1;
+ bp->link_status |= LINK_STATUS_LINK_UP;
+
+ if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_DUPLEX_STATUS) {
+ bp->duplex = DUPLEX_FULL;
+ } else {
+ bp->duplex = DUPLEX_HALF;
+ }
+
+ bnx2x_flow_ctrl_resolve(bp, gp_status);
+
+ switch (gp_status & GP_STATUS_SPEED_MASK) {
+ case GP_STATUS_10M:
+ bp->line_speed = SPEED_10;
+ if (bp->duplex == DUPLEX_FULL) {
+ bp->link_status |= LINK_10TFD;
+ } else {
+ bp->link_status |= LINK_10THD;
+ }
+ break;
+
+ case GP_STATUS_100M:
+ bp->line_speed = SPEED_100;
+ if (bp->duplex == DUPLEX_FULL) {
+ bp->link_status |= LINK_100TXFD;
+ } else {
+ bp->link_status |= LINK_100TXHD;
+ }
+ break;
+
+ case GP_STATUS_1G:
+ case GP_STATUS_1G_KX:
+ bp->line_speed = SPEED_1000;
+ if (bp->duplex == DUPLEX_FULL) {
+ bp->link_status |= LINK_1000TFD;
+ } else {
+ bp->link_status |= LINK_1000THD;
+ }
+ break;
+
+ case GP_STATUS_2_5G:
+ bp->line_speed = SPEED_2500;
+ if (bp->duplex == DUPLEX_FULL) {
+ bp->link_status |= LINK_2500TFD;
+ } else {
+ bp->link_status |= LINK_2500THD;
+ }
+ break;
+
+ case GP_STATUS_5G:
+ case GP_STATUS_6G:
+ BNX2X_ERR("link speed unsupported gp_status 0x%x\n",
+ gp_status);
+ break;
+
+ case GP_STATUS_10G_KX4:
+ case GP_STATUS_10G_HIG:
+ case GP_STATUS_10G_CX4:
+ bp->line_speed = SPEED_10000;
+ bp->link_status |= LINK_10GTFD;
+ break;
+
+ case GP_STATUS_12G_HIG:
+ bp->line_speed = SPEED_12000;
+ bp->link_status |= LINK_12GTFD;
+ break;
+
+ case GP_STATUS_12_5G:
+ bp->line_speed = SPEED_12500;
+ bp->link_status |= LINK_12_5GTFD;
+ break;
+
+ case GP_STATUS_13G:
+ bp->line_speed = SPEED_13000;
+ bp->link_status |= LINK_13GTFD;
+ break;
+
+ case GP_STATUS_15G:
+ bp->line_speed = SPEED_15000;
+ bp->link_status |= LINK_15GTFD;
+ break;
+
+ case GP_STATUS_16G:
+ bp->line_speed = SPEED_16000;
+ bp->link_status |= LINK_16GTFD;
+ break;
+
+ default:
+ BNX2X_ERR("link speed unsupported gp_status 0x%x\n",
+ gp_status);
+ break;
+ }
+
+ bp->link_status |= LINK_STATUS_SERDES_LINK;
+
+ if (bp->req_autoneg & AUTONEG_SPEED) {
+ bp->link_status |= LINK_STATUS_AUTO_NEGOTIATE_ENABLED;
+
+ if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) {
+ bp->link_status |=
+ LINK_STATUS_AUTO_NEGOTIATE_COMPLETE;
+ }
+ if (bp->autoneg & AUTONEG_PARALLEL) {
+ bp->link_status |=
+ LINK_STATUS_PARALLEL_DETECTION_USED;
+ }
+ }
+
+ if (bp->flow_ctrl & FLOW_CTRL_TX) {
+ bp->link_status |= LINK_STATUS_TX_FLOW_CONTROL_ENABLED;
+ }
+ if (bp->flow_ctrl & FLOW_CTRL_RX) {
+ bp->link_status |= LINK_STATUS_RX_FLOW_CONTROL_ENABLED;
+ }
+
+ } else { /* link_down */
+ DP(NETIF_MSG_LINK, "link down\n");
+
+ bp->link_up = 0;
+
+ bp->line_speed = 0;
+ bp->duplex = DUPLEX_FULL;
+ bp->flow_ctrl = 0;
+ }
+
+ DP(NETIF_MSG_LINK, "gp_status 0x%x link_up %d\n"
+ DP_LEVEL " line_speed %d duplex %d flow_ctrl 0x%x"
+ " link_status 0x%x\n",
+ gp_status, bp->link_up, bp->line_speed, bp->duplex, bp->flow_ctrl,
+ bp->link_status);
+}
+
+static void bnx2x_link_int_ack(struct bnx2x *bp, int is_10g)
+{
+ int port = bp->port;
+
+ /* first reset all status
+ * we asume only one line will be change at a time */
+ bnx2x_bits_dis(bp, GRCBASE_NIG,
+ NIG_REGISTERS_STATUS_INTERRUPT_PORT0 + port*4,
+ (NIG_XGXS0_LINK_STATUS |
+ NIG_SERDES0_LINK_STATUS |
+ NIG_STATUS_INTERRUPT_XGXS0_LINK10G));
+ if (bp->link_up) {
+ if (is_10g) {
+ /* Disable the 10G link interrupt
+ * by writing 1 to the status register
+ */
+ DP(NETIF_MSG_LINK, "10G XGXS link up\n");
+ bnx2x_bits_en(bp, GRCBASE_NIG,
+ NIG_REGISTERS_STATUS_INTERRUPT_PORT0 +
+ port*4,
+ NIG_STATUS_INTERRUPT_XGXS0_LINK10G);
+
+ } else if (bp->phy_flags & PHY_XGXS_FLAG) {
+ /* Disable the link interrupt
+ * by writing 1 to the relevant lane
+ * in the status register
+ */
+ DP(NETIF_MSG_LINK, "1G XGXS link up\n");
+ bnx2x_bits_en(bp, GRCBASE_NIG,
+ NIG_REGISTERS_STATUS_INTERRUPT_PORT0 +
+ port*4, ((1 << bp->ser_lane) <<
+ NIG_XGXS0_LINK_STATUS_SIZE));
+
+ } else { /* SerDes */
+ DP(NETIF_MSG_LINK, "SerDes link up\n");
+ /* Disable the link interrupt
+ * by writing 1 to the status register
+ */
+ bnx2x_bits_en(bp, GRCBASE_NIG,
+ NIG_REGISTERS_STATUS_INTERRUPT_PORT0 +
+ port*4, NIG_SERDES0_LINK_STATUS);
+ }
+
+ } else { /* link_down */
+ }
+}
+
+static int bnx2x_ext_phy_is_link_up(struct bnx2x *bp)
+{
+ u32 ext_phy_type;
+ u32 ext_phy_addr;
+ u32 local_phy;
+ u32 val = 0;
+ u32 rx_sd, pcs_status;
+
+ if (bp->phy_flags & PHY_XGXS_FLAG) {
+ local_phy = bp->phy_addr;
+ ext_phy_addr = ((bp->ext_phy_config &
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
+ bp->phy_addr = (u8)ext_phy_addr;
+
+ ext_phy_type = XGXS_EXT_PHY_TYPE(bp);
+ switch (ext_phy_type) {
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
+ DP(NETIF_MSG_LINK, "XGXS Direct\n");
+ val = 1;
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
+ DP(NETIF_MSG_LINK, "XGXS 8705\n");
+ bnx2x_mdio45_read(bp, EXT_PHY_OPT_WIS_DEVAD,
+ EXT_PHY_OPT_LASI_STATUS, &val);
+ DP(NETIF_MSG_LINK, "8705 LASI status is %d\n", val);
+
+ bnx2x_mdio45_read(bp, EXT_PHY_OPT_WIS_DEVAD,
+ EXT_PHY_OPT_LASI_STATUS, &val);
+ DP(NETIF_MSG_LINK, "8705 LASI status is %d\n", val);
+
+ bnx2x_mdio45_read(bp, EXT_PHY_OPT_PMA_PMD_DEVAD,
+ EXT_PHY_OPT_PMD_RX_SD, &rx_sd);
+ val = (rx_sd & 0x1);
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
+ DP(NETIF_MSG_LINK, "XGXS 8706\n");
+ bnx2x_mdio45_read(bp, EXT_PHY_OPT_PMA_PMD_DEVAD,
+ EXT_PHY_OPT_LASI_STATUS, &val);
+ DP(NETIF_MSG_LINK, "8706 LASI status is %d\n", val);
+
+ bnx2x_mdio45_read(bp, EXT_PHY_OPT_PMA_PMD_DEVAD,
+ EXT_PHY_OPT_LASI_STATUS, &val);
+ DP(NETIF_MSG_LINK, "8706 LASI status is %d\n", val);
+
+ bnx2x_mdio45_read(bp, EXT_PHY_OPT_PMA_PMD_DEVAD,
+ EXT_PHY_OPT_PMD_RX_SD, &rx_sd);
+ bnx2x_mdio45_read(bp, EXT_PHY_OPT_PCS_DEVAD,
+ EXT_PHY_OPT_PCS_STATUS, &pcs_status);
+ DP(NETIF_MSG_LINK, "8706 rx_sd 0x%x"
+ " pcs_status 0x%x\n", rx_sd, pcs_status);
+ /* link is up if both bit 0 of pmd_rx and
+ * bit 0 of pcs_status are set
+ */
+ val = (rx_sd & pcs_status);
+ break;
+
+ default:
+ DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
+ bp->ext_phy_config);
+ val = 0;
+ break;
+ }
+ bp->phy_addr = local_phy;
+
+ } else { /* SerDes */
+ ext_phy_type = SERDES_EXT_PHY_TYPE(bp);
+ switch (ext_phy_type) {
+ case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
+ DP(NETIF_MSG_LINK, "SerDes Direct\n");
+ val = 1;
+ break;
+
+ case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
+ DP(NETIF_MSG_LINK, "SerDes 5482\n");
+ val = 1;
+ break;
+
+ default:
+ DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n",
+ bp->ext_phy_config);
+ val = 0;
+ break;
+ }
+ }
+
+ return val;
+}
+
+static void bnx2x_bmac_enable(struct bnx2x *bp, int is_lb)
+{
+ int port = bp->port;
+ u32 bmac_addr = port ? NIG_REGISTERS_INGRESS_BMAC1_MEM :
+ NIG_REGISTERS_INGRESS_BMAC0_MEM;
+ u32 wb_write[2];
+ u32 val;
+
+ DP(NETIF_MSG_LINK, "enableing BigMAC\n");
+ /* reset and unreset the BigMac */
+ REG_WR(bp, GRCBASE_MISC, MISC_REGISTERS_RESET_REG_2_CLEAR,
+ (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
+ mdelay(5);
+ REG_WR(bp, GRCBASE_MISC, MISC_REGISTERS_RESET_REG_2_SET,
+ (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
+
+ /* enable access for bmac registers */
+ NIG_WR(NIG_REGISTERS_BMAC0_REGS_OUT_EN + port*4, 0x1);
+
+ /* XGXS control */
+ wb_write[0] = 0x3c;
+ wb_write[1] = 0;
+ REG_WR_DMAE(bp, GRCBASE_NIG,
+ bmac_addr + BIGMAC_REGISTER_BMAC_XGXS_CONTROL,
+ wb_write, 2);
+
+ /* tx MAC SA */
+ wb_write[0] = ((bp->dev->dev_addr[2] << 24) |
+ (bp->dev->dev_addr[3] << 16) |
+ (bp->dev->dev_addr[4] << 8) |
+ bp->dev->dev_addr[5]);
+ wb_write[1] = ((bp->dev->dev_addr[0] << 8) |
+ bp->dev->dev_addr[1]);
+ REG_WR_DMAE(bp, GRCBASE_NIG,
+ bmac_addr + BIGMAC_REGISTER_TX_SOURCE_ADDR, wb_write, 2);
+
+ /* tx control */
+ val = 0xc0;
+ if (bp->flow_ctrl & FLOW_CTRL_TX) {
+ val |= 0x800000;
+ }
+ wb_write[0] = val;
+ wb_write[1] = 0;
+ REG_WR_DMAE(bp, GRCBASE_NIG,
+ bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_write, 2);
+
+ /* set tx mtu */
+ wb_write[0] = bp->rx_buf_use_size;
+ wb_write[1] = 0;
+ REG_WR_DMAE(bp, GRCBASE_NIG,
+ bmac_addr + BIGMAC_REGISTER_TX_MAX_SIZE, wb_write, 2);
+
+ /* mac control */
+ val = 0x3;
+ if (is_lb) {
+ val |= 0x4;
+ DP(NETIF_MSG_LINK, "enable bmac loopback\n");
+ }
+ wb_write[0] = val;
+ wb_write[1] = 0;
+ REG_WR_DMAE(bp, GRCBASE_NIG,
+ bmac_addr + BIGMAC_REGISTER_BMAC_CONTROL, wb_write, 2);
+
+ /* rx control set to don't strip crc */
+ val = 0x14;
+ if (bp->flow_ctrl & FLOW_CTRL_RX) {
+ val |= 0x20;
+ }
+ wb_write[0] = val;
+ wb_write[1] = 0;
+ REG_WR_DMAE(bp, GRCBASE_NIG,
+ bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_write, 2);
+
+ /* set rx mtu */
+ wb_write[0] = bp->rx_buf_use_size;
+ wb_write[1] = 0;
+ REG_WR_DMAE(bp, GRCBASE_NIG,
+ bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_write, 2);
+
+ /* set cnt max size */
+ wb_write[0] = bp->rx_buf_use_size;
+ wb_write[1] = 0;
+ REG_WR_DMAE(bp, GRCBASE_NIG,
+ bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, wb_write, 2);
+
+ /* configure safc */
+ wb_write[0] = 0x1000200;
+ wb_write[1] = 0;
+ REG_WR_DMAE(bp, GRCBASE_NIG,
+ bmac_addr + BIGMAC_REGISTER_RX_LLFC_MSG_FLDS,
+ wb_write, 2);
+
+ /* fix for emulation */
+ if (CHIP_REV(bp) == CHIP_REV_EMUL) {
+ wb_write[0] = 0xf000;
+ wb_write[1] = 0;
+ REG_WR_DMAE(bp, GRCBASE_NIG,
+ bmac_addr + BIGMAC_REGISTER_TX_PAUSE_THRESHOLD,
+ wb_write, 2);
+ }
+
+ /* reset old bmac stats */
+ memset(&bp->old_bmac, 0, sizeof(struct bmac_stats));
+
+ NIG_WR(NIG_REGISTERS_XCM0_OUT_EN + port*4, 0x0);
+
+ /* select XGXS */
+ NIG_WR(NIG_REGISTERS_XGXS_SERDES0_MODE_SEL + port*4, 0x1);
+ NIG_WR(NIG_REGISTERS_XGXS_LANE_SEL_P0 + port*4, 0x0);
+
+ /* disable the NIG in/out to the emac */
+ NIG_WR(NIG_REGISTERS_EMAC0_IN_EN + port*4, 0x0);
+ NIG_WR(NIG_REGISTERS_EMAC0_PAUSE_OUT_EN + port*4, 0x0);
+ NIG_WR(NIG_REGISTERS_EGRESS_EMAC0_OUT_EN + port*4, 0x0);
+
+ /* enable the NIG in/out to the bmac */
+ NIG_WR(NIG_REGISTERS_EGRESS_EMAC0_PORT + port*4, 0x0);
+
+ NIG_WR(NIG_REGISTERS_BMAC0_IN_EN + port*4, 0x1);
+ val = 0;
+ if (bp->flow_ctrl & FLOW_CTRL_TX) {
+ val = 1;
+ }
+ NIG_WR(NIG_REGISTERS_BMAC0_PAUSE_OUT_EN + port*4, val);
+ NIG_WR(NIG_REGISTERS_BMAC0_OUT_EN + port*4, 0x1);
+
+ bp->phy_flags |= PHY_BMAC_FLAG;
+
+ bp->stats_state = STATS_STATE_ENABLE;
+}
+
+static void bnx2x_emac_enable(struct bnx2x *bp)
+{
+ u32 val;
+ int port = bp->port;
+ u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0;
+ int timeout = 200;
+
+ DP(NETIF_MSG_LINK, "enableing EMAC\n");
+ /* reset and unreset the emac core */
+ REG_WR(bp, GRCBASE_MISC, MISC_REGISTERS_RESET_REG_2_CLEAR,
+ (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
+ mdelay(5);
+ REG_WR(bp, GRCBASE_MISC, MISC_REGISTERS_RESET_REG_2_SET,
+ (MISC_REGISTERS_RESET_REG_2_RST_EMAC0_HARD_CORE << port));
+
+ /* enable emac and not bmac */
+ NIG_WR(NIG_REGISTERS_EGRESS_EMAC0_PORT + port*4, 1);
+
+ /* for paladium */
+ if (CHIP_REV(bp) == CHIP_REV_EMUL) {
+ /* Use lane 1 (of lanes 0-3) */
+ NIG_WR(NIG_REGISTERS_XGXS_LANE_SEL_P0 + port*4, 1);
+ NIG_WR(NIG_REGISTERS_XGXS_SERDES0_MODE_SEL + port*4, 1);
+ }
+ /* for fpga */
+ else if (CHIP_REV(bp) == CHIP_REV_FPGA) {
+ /* Use lane 1 (of lanes 0-3) */
+ NIG_WR(NIG_REGISTERS_XGXS_LANE_SEL_P0 + port*4, 1);
+ NIG_WR(NIG_REGISTERS_XGXS_SERDES0_MODE_SEL + port*4, 0);
+ }
+ /* ASIC */
+ else {
+ if (bp->phy_flags & PHY_XGXS_FLAG) {
+ DP(NETIF_MSG_LINK, "XGXS\n");
+ /* select the master lanes (out of 0-3) */
+ NIG_WR(NIG_REGISTERS_XGXS_LANE_SEL_P0 + port*4,
+ bp->ser_lane);
+ /* select XGXS */
+ NIG_WR(NIG_REGISTERS_XGXS_SERDES0_MODE_SEL + port*4,
+ 1);
+
+ } else { /* SerDes */
+ DP(NETIF_MSG_LINK, "SerDes\n");
+ /* select SerDes */
+ NIG_WR(NIG_REGISTERS_XGXS_SERDES0_MODE_SEL + port*4,
+ 0);
+ }
+ }
+
+ /* enable emac */
+ NIG_WR(NIG_REGISTERS_NIG_EMAC0_EN + port*4, 1);
+
+ /* init emac - use read-modify-write */
+ /* self clear reset */
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_MODE);
+ EMAC_WR(EMAC_REG_EMAC_MODE, (val | EMAC_MODE_RESET));
+
+ while (val & EMAC_MODE_RESET) {
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_MODE);
+ DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
+ if (!timeout) {
+ BNX2X_ERR("EMAC timeout!\n");
+ break;
+ }
+ timeout--;
+ }
+
+ /* reset tx part */
+ EMAC_WR(EMAC_REG_EMAC_TX_MODE, EMAC_TX_MODE_RESET);
+
+ while (val & EMAC_TX_MODE_RESET) {
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_TX_MODE);
+ DP(NETIF_MSG_LINK, "EMAC reset reg is %u\n", val);
+ if (!timeout) {
+ BNX2X_ERR("EMAC timeout!\n");
+ break;
+ }
+ timeout--;
+ }
+
+ if (CHIP_REV_IS_SLOW(bp)) {
+ /* config GMII mode */
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_MODE);
+ EMAC_WR(EMAC_REG_EMAC_MODE, (val | EMAC_MODE_PORT_GMII));
+
+ } else { /* ASIC */
+ /* pause enable/disable */
+ bnx2x_bits_dis(bp, emac_base, EMAC_REG_EMAC_RX_MODE,
+ EMAC_RX_MODE_FLOW_EN);
+ if (bp->flow_ctrl & FLOW_CTRL_RX) {
+ bnx2x_bits_en(bp, emac_base, EMAC_REG_EMAC_RX_MODE,
+ EMAC_RX_MODE_FLOW_EN);
+ }
+
+ bnx2x_bits_dis(bp, emac_base, EMAC_REG_EMAC_TX_MODE,
+ EMAC_TX_MODE_EXT_PAUSE_EN);
+ if (bp->flow_ctrl & FLOW_CTRL_TX) {
+ bnx2x_bits_en(bp, emac_base, EMAC_REG_EMAC_TX_MODE,
+ EMAC_TX_MODE_EXT_PAUSE_EN);
+ }
+ }
+
+ /* KEEP_VLAN_TAG, promiscous */
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_RX_MODE);
+ val |= EMAC_RX_MODE_KEEP_VLAN_TAG | EMAC_RX_MODE_PROMISCUOUS;
+ EMAC_WR(EMAC_REG_EMAC_RX_MODE, val);
+
+ /* identify magic packets */
+ val = REG_RD(bp, emac_base, EMAC_REG_EMAC_MODE);
+ EMAC_WR(EMAC_REG_EMAC_MODE, (val | EMAC_MODE_MPKT));
+
+ /* enable emac for jumbo packets */
+ EMAC_WR(EMAC_REG_EMAC_RX_MTU_SIZE,
+ (EMAC_RX_MTU_SIZE_JUMBO_ENA | (bp->rx_buf_use_size)));
+
+ /* strip CRC */
+ NIG_WR(NIG_REGISTERS_NIG_INGRESS_EMAC0_NO_CRC + port*4, 0x1);
+
+ val = ((bp->dev->dev_addr[0] << 8) |
+ bp->dev->dev_addr[1]);
+ EMAC_WR(EMAC_REG_EMAC_MAC_MATCH, val);
+
+ val = ((bp->dev->dev_addr[2] << 24) |
+ (bp->dev->dev_addr[3] << 16) |
+ (bp->dev->dev_addr[4] << 8) |
+ bp->dev->dev_addr[5]);
+ EMAC_WR(EMAC_REG_EMAC_MAC_MATCH + 4, val);
+
+ /* disable the NIG in/out to the bmac */
+ NIG_WR(NIG_REGISTERS_BMAC0_IN_EN + port*4, 0x0);
+ NIG_WR(NIG_REGISTERS_BMAC0_PAUSE_OUT_EN + port*4, 0x0);
+ NIG_WR(NIG_REGISTERS_BMAC0_OUT_EN + port*4, 0x0);
+
+ /* enable the NIG in/out to the emac */
+ NIG_WR(NIG_REGISTERS_EMAC0_IN_EN + port*4, 0x1);
+ val = 0;
+ if (bp->flow_ctrl & FLOW_CTRL_TX) {
+ val = 1;
+ }
+ NIG_WR(NIG_REGISTERS_EMAC0_PAUSE_OUT_EN + port*4, val);
+ NIG_WR(NIG_REGISTERS_EGRESS_EMAC0_OUT_EN + port*4, 0x1);
+
+ if (CHIP_REV(bp) == CHIP_REV_FPGA) {
+ /* take the BigMac out of reset */
+ REG_WR(bp, GRCBASE_MISC, MISC_REGISTERS_RESET_REG_2_SET,
+ (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
+
+ /* enable access for bmac registers */
+ NIG_WR(NIG_REGISTERS_BMAC0_REGS_OUT_EN + port*4, 0x1);
+ }
+
+ bp->phy_flags |= PHY_EMAC_FLAG;
+
+ bp->stats_state = STATS_STATE_ENABLE;
+}
+
+static void bnx2x_emac_program(struct bnx2x *bp)
+{
+ u16 mode = 0;
+ int port = bp->port;
+
+ DP(NETIF_MSG_LINK, "setting link speed & duplex\n");
+ bnx2x_bits_dis(bp, GRCBASE_EMAC0 + port*0x400, EMAC_REG_EMAC_MODE,
+ (EMAC_MODE_25G_MODE |
+ EMAC_MODE_PORT_MII_10M |
+ EMAC_MODE_HALF_DUPLEX));
+ switch (bp->line_speed) {
+ case SPEED_10:
+ mode |= EMAC_MODE_PORT_MII_10M;
+ break;
+
+ case SPEED_100:
+ mode |= EMAC_MODE_PORT_MII;
+ break;
+
+ case SPEED_1000:
+ mode |= EMAC_MODE_PORT_GMII;
+ break;
+
+ case SPEED_2500:
+ mode |= (EMAC_MODE_25G_MODE | EMAC_MODE_PORT_GMII);
+ break;
+
+ default:
+ /* 10G not valid for EMAC */
+ BNX2X_ERR("Invalid line_speed 0x%x\n", bp->line_speed);
+ break;
+ }
+
+ if (bp->duplex == DUPLEX_HALF) {
+ mode |= EMAC_MODE_HALF_DUPLEX;
+ }
+ bnx2x_bits_en(bp, GRCBASE_EMAC0 + port*0x400,
+ EMAC_REG_EMAC_MODE, mode);
+
+ bnx2x_leds_set(bp, bp->line_speed);
+}
+
+static void bnx2x_set_sgmii_tx_driver(struct bnx2x *bp)
+{
+ u32 lp_up2;
+ u32 tx_driver;
+
+ /* read precomp */
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_OVER_1G);
+ bnx2x_mdio22_read(bp, MDIO_OVER_1G_LP_UP2, &lp_up2);
+
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_TX0);
+ bnx2x_mdio22_read(bp, MDIO_TX0_TX_DRIVER, &tx_driver);
+
+ /* bits [10:7] at lp_up2, positioned at [15:12] */
+ lp_up2 = (((lp_up2 & MDIO_OVER_1G_LP_UP2_PREEMPHASIS_MASK) >>
+ MDIO_OVER_1G_LP_UP2_PREEMPHASIS_SHIFT) <<
+ MDIO_TX0_TX_DRIVER_PREEMPHASIS_SHIFT);
+
+ if ((lp_up2 != 0) &&
+ (lp_up2 != (tx_driver & MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK))) {
+ /* replace tx_driver bits [15:12] */
+ tx_driver &= ~MDIO_TX0_TX_DRIVER_PREEMPHASIS_MASK;
+ tx_driver |= lp_up2;
+ bnx2x_mdio22_write(bp, MDIO_TX0_TX_DRIVER, tx_driver);
+ }
+}
+
+static void bnx2x_pbf_update(struct bnx2x *bp)
+{
+ int port = bp->port;
+ u32 init_crd, crd;
+ u32 count = 1000;
+ u32 pause = 0;
+
+ /* disable port */
+ REG_WR(bp, GRCBASE_PBF,
+ PBF_REGISTERS_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1);
+
+ /* wait for init credit */
+ init_crd = REG_RD(bp, GRCBASE_PBF,
+ PBF_REGISTERS_P0_INIT_CRD + port*4);
+ crd = REG_RD(bp, GRCBASE_PBF, PBF_REGISTERS_P0_CREDIT + port*8);
+ DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd);
+
+ while ((init_crd != crd) && count) {
+ mdelay(5);
+
+ crd = REG_RD(bp, GRCBASE_PBF,
+ PBF_REGISTERS_P0_CREDIT + port*8);
+ count--;
+ }
+ crd = REG_RD(bp, GRCBASE_PBF, PBF_REGISTERS_P0_CREDIT + port*8);
+ if (init_crd != crd) {
+ /* TBD? Assert if still init_crd != crd */
+ BNX2X_ERR("BUG! init_crd 0x%x != crd 0x%x\n", init_crd, crd);
+ }
+
+ if (bp->flow_ctrl & FLOW_CTRL_RX) {
+ pause = 1;
+ }
+ REG_WR(bp, GRCBASE_PBF,
+ PBF_REGISTERS_P0_PAUSE_ENABLE + port*4, pause);
+ if (pause) {
+ /* update threshold */
+ REG_WR(bp, GRCBASE_PBF,
+ PBF_REGISTERS_P0_ARB_THRSH + port*4, 0);
+ /* update init credit */
+ init_crd = 778; /* (800-18-4) */
+
+ } else {
+ /* update threshold */
+ REG_WR(bp, GRCBASE_PBF,
+ PBF_REGISTERS_P0_ARB_THRSH + port*4,
+ bp->rx_buf_use_size/16);
+ /* update init credit */
+ switch (bp->line_speed) {
+ case SPEED_10:
+ case SPEED_100:
+ case SPEED_1000:
+ init_crd = bp->rx_buf_use_size/16 + 55 - 22;
+ break;
+
+ case SPEED_2500:
+ init_crd = bp->rx_buf_use_size/16 + 138 - 22;
+ break;
+
+ case SPEED_10000:
+ init_crd = bp->rx_buf_use_size/16 + 553 - 22;
+ break;
+
+ default:
+ BNX2X_ERR("Invalid line_speed 0x%x\n",
+ bp->line_speed);
+ break;
+ }
+ }
+ REG_WR(bp, GRCBASE_PBF, PBF_REGISTERS_P0_INIT_CRD + port*4, init_crd);
+ DP(NETIF_MSG_LINK, "PBF updated to speed %d credit %d\n",
+ bp->line_speed, init_crd);
+
+ /* probe the credit changes */
+ REG_WR(bp, GRCBASE_PBF, PBF_REGISTERS_INIT_P0 + port*4, 0x1);
+ mdelay(5);
+ REG_WR(bp, GRCBASE_PBF, PBF_REGISTERS_INIT_P0 + port*4, 0x0);
+
+ /* enable port */
+ REG_WR(bp, GRCBASE_PBF,
+ PBF_REGISTERS_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x0);
+}
+
+static void bnx2x_update_mng(struct bnx2x *bp)
+{
+ if (!nomcp) {
+ SHMEM_WR(bp, drv_fw_mb[bp->port].link_status,
+ bp->link_status);
+ }
+}
+
+static void bnx2x_link_report(struct bnx2x *bp)
+{
+ if (bp->link_up) {
+ netif_carrier_on(bp->dev);
+ printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name);
+
+ printk("%d Mbps ", bp->line_speed);
+
+ if (bp->duplex == DUPLEX_FULL)
+ printk("full duplex");
+ else
+ printk("half duplex");
+
+ if (bp->flow_ctrl) {
+ if (bp->flow_ctrl & FLOW_CTRL_RX) {
+ printk(", receive ");
+ if (bp->flow_ctrl & FLOW_CTRL_TX)
+ printk("& transmit ");
+ } else {
+ printk(", transmit ");
+ }
+ printk("flow control ON");
+ }
+ printk("\n");
+
+ } else { /* link_down */
+ netif_carrier_off(bp->dev);
+ printk(KERN_INFO PFX "%s NIC Link is Down\n", bp->dev->name);
+ }
+}
+
+static void bnx2x_link_up(struct bnx2x *bp)
+{
+ int port = bp->port;
+
+ /* PBF - link up */
+ bnx2x_pbf_update(bp);
+
+ /* disable drain */
+ NIG_WR(NIG_REGISTERS_EGRESS_DRAIN0_MODE + port*4, 0);
+
+ /* update share memory */
+ bnx2x_update_mng(bp);
+
+ /* indicate link up */
+ bnx2x_link_report(bp);
+}
+
+static void bnx2x_link_down(struct bnx2x *bp)
+{
+ int port = bp->port;
+
+ /* notify stats */
+ if (bp->stats_state != STATS_STATE_DISABLE) {
+ bp->stats_state = STATS_STATE_STOP;
+ DP(BNX2X_MSG_STATS, "stats_state - STOP\n");
+ }
+
+ /* indicate link down */
+ bp->phy_flags &= ~(PHY_BMAC_FLAG | PHY_EMAC_FLAG);
+
+ /* reset BigMac */
+ REG_WR(bp, GRCBASE_MISC, MISC_REGISTERS_RESET_REG_2_CLEAR,
+ (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << port));
+
+ /* ignore drain flag interrupt */
+ /* activate nig drain */
+ NIG_WR(NIG_REGISTERS_EGRESS_DRAIN0_MODE + port*4, 1);
+
+ /* update share memory */
+ bnx2x_update_mng(bp);
+
+ /* indicate link down */
+ bnx2x_link_report(bp);
+}
+
+/* This function is called upon link interrupt */
+static void bnx2x_link_update(struct bnx2x *bp)
+{
+ u32 gp_status;
+ int port = bp->port;
+ int i;
+ int link_10g;
+
+ DP(NETIF_MSG_LINK, "port %x, is xgxs %x, stat_mask 0x%x, "
+ "int_mask 0x%x, saved_mask 0x%x, MI_INT %x, SERDES_LINK %x,"
+ " 10G %x, XGXS_LINK %x\n",
+ port, (bp->phy_flags & PHY_XGXS_FLAG),
+ REG_RD(bp, GRCBASE_NIG,
+ NIG_REGISTERS_STATUS_INTERRUPT_PORT0 + port*4),
+ REG_RD(bp, GRCBASE_NIG,
+ NIG_REGISTERS_MASK_INTERRUPT_PORT0 + port*4),
+ bp->nig_mask,
+ REG_RD(bp, GRCBASE_NIG,
+ NIG_REGISTERS_EMAC0_STATUS_MISC_MI_INT + port*0x18),
+ REG_RD(bp, GRCBASE_NIG,
+ NIG_REGISTERS_SERDES0_STATUS_LINK_STATUS + port*0x3c),
+ REG_RD(bp, GRCBASE_NIG,
+ NIG_REGISTERS_XGXS0_STATUS_LINK10G + port*0x68),
+ REG_RD(bp, GRCBASE_NIG,
+ NIG_REGISTERS_XGXS0_STATUS_LINK_STATUS + port*0x68)
+ );
+
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_GP_STATUS);
+ /* avoid fast toggling */
+ for (i = 0 ; i < 10 ; i++) {
+ mdelay(10);
+ bnx2x_mdio22_read(bp, MDIO_GP_STATUS_TOP_AN_STATUS1,
+ &gp_status);
+ }
+
+ bnx2x_link_settings_status(bp, gp_status);
+
+ /* anything 10 and over uses the bmac */
+ link_10g = ((bp->line_speed >= SPEED_10000) &&
+ (bp->line_speed <= SPEED_16000));
+
+ bnx2x_link_int_ack(bp, link_10g);
+
+ /* link is up only if both local phy and external phy are up */
+ if (bp->link_up && bnx2x_ext_phy_is_link_up(bp)) {
+ if (link_10g) {
+ bnx2x_bmac_enable(bp, 0);
+ bnx2x_leds_set(bp, SPEED_10000);
+
+ } else {
+ bnx2x_emac_enable(bp);
+ bnx2x_emac_program(bp);
+
+ /* AN complete? */
+ if (gp_status & MDIO_AN_CL73_OR_37_COMPLETE) {
+ if (!(bp->phy_flags & PHY_SGMII_FLAG)) {
+ bnx2x_set_sgmii_tx_driver(bp);
+ }/* Not SGMII */
+ }
+ }
+ bnx2x_link_up(bp);
+
+ } else { /* link down */
+ bnx2x_leds_unset(bp);
+ bnx2x_link_down(bp);
+ }
+}
+
+/****************************************************************************
+* Init service functions
+****************************************************************************/
+
+static void bnx2x_set_aer_mmd(struct bnx2x *bp)
+{
+ u16 offset = (bp->phy_flags & PHY_XGXS_FLAG) ?
+ (bp->phy_addr + bp->ser_lane) : 0;
+
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_AER_BLOCK);
+ bnx2x_mdio22_write(bp, MDIO_AER_BLOCK_AER_REG, 0x3800 + offset);
+}
+
+static void bnx2x_set_master_ln(struct bnx2x *bp)
+{
+ u32 new_master_ln;
+
+ /* set the master_ln for AN */
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_XGXS_BLOCK2);
+ bnx2x_mdio22_read(bp, MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
+ &new_master_ln);
+ bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_TEST_MODE_LANE,
+ (new_master_ln | bp->ser_lane));
+}
+
+static void bnx2x_reset_unicore(struct bnx2x *bp)
+{
+ u32 mii_control;
+ int i;
+
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0);
+ bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, &mii_control);
+ /* reset the unicore */
+ bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL,
+ (mii_control | MDIO_COMBO_IEEO_MII_CONTROL_RESET));
+
+ /* wait for the reset to self clear */
+ for (i = 0; i < MDIO_ACCESS_TIMEOUT; i++) {
+ udelay(5);
+
+ /* the reset erased the previous bank value */
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0);
+ bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL,
+ &mii_control);
+
+ if (!(mii_control & MDIO_COMBO_IEEO_MII_CONTROL_RESET)) {
+ udelay(5);
+ return;
+ }
+ }
+
+ /* TBD? Assert if the control is still in reset */
+ BNX2X_ERR("BUG! unicore is still in reset!\n");
+}
+
+static void bnx2x_set_swap_lanes(struct bnx2x *bp)
+{
+ /* Each two bits represents a lane number:
+ No swap is 0123 => 0x1b no need to enable the swap */
+
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_XGXS_BLOCK2);
+ if (bp->rx_lane_swap != 0x1b) {
+ bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_RX_LN_SWAP,
+ (bp->rx_lane_swap |
+ MDIO_XGXS_BLOCK2_RX_LN_SWAP_ENABLE |
+ MDIO_XGXS_BLOCK2_RX_LN_SWAP_FORCE_ENABLE));
+ } else {
+ bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_RX_LN_SWAP, 0);
+ }
+
+ if (bp->tx_lane_swap != 0x1b) {
+ bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_TX_LN_SWAP,
+ (bp->tx_lane_swap |
+ MDIO_XGXS_BLOCK2_TX_LN_SWAP_ENABLE));
+ } else {
+ bnx2x_mdio22_write(bp, MDIO_XGXS_BLOCK2_TX_LN_SWAP, 0);
+ }
+}
+
+static void bnx2x_set_parallel_detection(struct bnx2x *bp)
+{
+ u32 control2;
+
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL);
+ bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
+ &control2);
+
+ if (bp->autoneg & AUTONEG_PARALLEL) {
+ control2 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
+ } else {
+ control2 &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL2_PRL_DT_EN;
+ }
+ bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL2,
+ control2);
+
+ if (bp->phy_flags & PHY_XGXS_FLAG) {
+ DP(NETIF_MSG_LINK, "XGXS\n");
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_10G_PARALLEL_DETECT);
+
+ bnx2x_mdio22_write(bp,
+ MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK,
+ MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_LINK_CNT);
+
+ bnx2x_mdio22_read(bp,
+ MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
+ &control2);
+
+ if (bp->autoneg & AUTONEG_PARALLEL) {
+ control2 |=
+ MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
+ } else {
+ control2 &=
+ ~MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL_PARDET10G_EN;
+ }
+ bnx2x_mdio22_write(bp,
+ MDIO_10G_PARALLEL_DETECT_PAR_DET_10G_CONTROL,
+ control2);
+ }
+}
+
+static void bnx2x_set_autoneg(struct bnx2x *bp)
+{
+ u32 reg_val;
+
+ /* CL37 Autoneg */
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0);
+ bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
+ if ((bp->req_autoneg & AUTONEG_SPEED) &&
+ (bp->autoneg & AUTONEG_CL37)) {
+ /* CL37 Autoneg Enabled */
+ reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_AN_EN;
+ } else {
+ /* CL37 Autoneg Disabled */
+ reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
+ MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN);
+ }
+ bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
+
+ /* Enable/Disable Autodetection */
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL);
+ bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, ®_val);
+ reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_SIGNAL_DETECT_EN;
+
+ if ((bp->req_autoneg & AUTONEG_SPEED) &&
+ (bp->autoneg & AUTONEG_SGMII_FIBER_AUTODET)) {
+ reg_val |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
+ } else {
+ reg_val &= ~MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET;
+ }
+ bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1, reg_val);
+
+ /* Enable TetonII and BAM autoneg */
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_BAM_NEXT_PAGE);
+ bnx2x_mdio22_read(bp, MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
+ ®_val);
+ if ((bp->req_autoneg & AUTONEG_SPEED) &&
+ (bp->autoneg & AUTONEG_CL37) && (bp->autoneg & AUTONEG_BAM)) {
+ /* Enable BAM aneg Mode and TetonII aneg Mode */
+ reg_val |= (MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
+ MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
+ } else {
+ /* TetonII and BAM Autoneg Disabled */
+ reg_val &= ~(MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_BAM_MODE |
+ MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL_TETON_AN);
+ }
+ bnx2x_mdio22_write(bp, MDIO_BAM_NEXT_PAGE_MP5_NEXT_PAGE_CTRL,
+ reg_val);
+
+ /* Enable Clause 73 Aneg */
+ if ((bp->req_autoneg & AUTONEG_SPEED) &&
+ (bp->autoneg & AUTONEG_CL73)) {
+ /* Enable BAM Station Manager */
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_USERB0);
+ bnx2x_mdio22_write(bp, MDIO_CL73_USERB0_CL73_BAM_CTRL1,
+ (MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_EN |
+ MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_STATION_MNGR_EN |
+ MDIO_CL73_USERB0_CL73_BAM_CTRL1_BAM_NP_AFTER_BP_EN));
+
+ /* Merge CL73 and CL37 aneg resolution */
+ bnx2x_mdio22_read(bp, MDIO_CL73_USERB0_CL73_BAM_CTRL3,
+ ®_val);
+ bnx2x_mdio22_write(bp, MDIO_CL73_USERB0_CL73_BAM_CTRL3,
+ (reg_val |
+ MDIO_CL73_USERB0_CL73_BAM_CTRL3_USE_CL73_HCD_MR));
+
+ /* Set the CL73 AN speed */
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB1);
+ bnx2x_mdio22_read(bp, MDIO_CL73_IEEEB1_AN_ADV2, ®_val);
+ /* In the SerDes we support only the 1G.
+ In the XGXS we support the 10G KX4
+ but we currently do not support the KR */
+ if (bp->phy_flags & PHY_XGXS_FLAG) {
+ DP(NETIF_MSG_LINK, "XGXS\n");
+ /* 10G KX4 */
+ reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_10G_KX4;
+ } else {
+ DP(NETIF_MSG_LINK, "SerDes\n");
+ /* 1000M KX */
+ reg_val |= MDIO_CL73_IEEEB1_AN_ADV2_ADVR_1000M_KX;
+ }
+ bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB1_AN_ADV2, reg_val);
+
+ /* CL73 Autoneg Enabled */
+ reg_val = MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN;
+ } else {
+ /* CL73 Autoneg Disabled */
+ reg_val = 0;
+ }
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB0);
+ bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL, reg_val);
+}
+
+/* program SerDes, forced modes */
+static void bnx2x_program_serdes(struct bnx2x *bp)
+{
+ u32 reg_val;
+
+ /* program duplex, disable autoneg */
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0);
+ bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL, ®_val);
+ reg_val &= ~(MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX |
+ MDIO_COMBO_IEEO_MII_CONTROL_AN_EN);
+ if (bp->req_duplex == DUPLEX_FULL) {
+ reg_val |= MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
+ }
+ bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL, reg_val);
+
+ /* program speed
+ - needed only if the speed is greater than 1G (2.5G or 10G) */
+ if (bp->req_line_speed > SPEED_1000) {
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL);
+ bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_MISC1, ®_val);
+ /* clearing the speed value before setting the right speed */
+ reg_val &= ~MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_MASK;
+ reg_val |= (MDIO_SERDES_DIGITAL_MISC1_REFCLK_SEL_156_25M |
+ MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_SEL);
+ if (bp->req_line_speed == SPEED_10000) {
+ reg_val |=
+ MDIO_SERDES_DIGITAL_MISC1_FORCE_SPEED_10G_CX4;
+ }
+ bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_MISC1, reg_val);
+ }
+}
+
+static void bnx2x_set_brcm_cl37_advertisment(struct bnx2x *bp)
+{
+ u32 val = 0;
+
+ /* configure the 48 bits for BAM AN */
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_OVER_1G);
+
+ /* set extended capabilities */
+ if (bp->advertising & ADVERTISED_2500baseT_Full) {
+ val |= MDIO_OVER_1G_UP1_2_5G;
+ }
+ if (bp->advertising & ADVERTISED_10000baseT_Full) {
+ val |= MDIO_OVER_1G_UP1_10G;
+ }
+ bnx2x_mdio22_write(bp, MDIO_OVER_1G_UP1, val);
+
+ bnx2x_mdio22_write(bp, MDIO_OVER_1G_UP3, 0);
+}
+
+static void bnx2x_set_ieee_aneg_advertisment(struct bnx2x *bp)
+{
+ u32 an_adv;
+
+ /* for AN, we are always publishing full duplex */
+ an_adv = MDIO_COMBO_IEEE0_AUTO_NEG_ADV_FULL_DUPLEX;
+
+ /* set pause */
+ switch (bp->pause_mode) {
+ case PAUSE_SYMMETRIC:
+ an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_SYMMETRIC;
+ break;
+ case PAUSE_ASYMMETRIC:
+ an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC;
+ break;
+ case PAUSE_BOTH:
+ an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH;
+ break;
+ case PAUSE_NONE:
+ an_adv |= MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE;
+ break;
+ }
+
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0);
+ bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_AUTO_NEG_ADV, an_adv);
+}
+
+static void bnx2x_restart_autoneg(struct bnx2x *bp)
+{
+ if (bp->autoneg & AUTONEG_CL73) {
+ /* enable and restart clause 73 aneg */
+ u32 an_ctrl;
+
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB0);
+ bnx2x_mdio22_read(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
+ &an_ctrl);
+ bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
+ (an_ctrl |
+ MDIO_CL73_IEEEB0_CL73_AN_CONTROL_AN_EN |
+ MDIO_CL73_IEEEB0_CL73_AN_CONTROL_RESTART_AN));
+
+ } else {
+ /* Enable and restart BAM/CL37 aneg */
+ u32 mii_control;
+
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0);
+ bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL,
+ &mii_control);
+ bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL,
+ (mii_control |
+ MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
+ MDIO_COMBO_IEEO_MII_CONTROL_RESTART_AN));
+ }
+}
+
+static void bnx2x_initialize_sgmii_process(struct bnx2x *bp)
+{
+ u32 control1;
+
+ /* in SGMII mode, the unicore is always slave */
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_SERDES_DIGITAL);
+ bnx2x_mdio22_read(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
+ &control1);
+ control1 |= MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_INVERT_SIGNAL_DETECT;
+ /* set sgmii mode (and not fiber) */
+ control1 &= ~(MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_FIBER_MODE |
+ MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_AUTODET |
+ MDIO_SERDES_DIGITAL_A_1000X_CONTROL1_MSTR_MODE);
+ bnx2x_mdio22_write(bp, MDIO_SERDES_DIGITAL_A_1000X_CONTROL1,
+ control1);
+
+ /* if forced mode */
+ if (!(bp->req_autoneg & AUTONEG_SPEED)) {
+ /* set speed, disable autoneg */
+ u32 mii_control;
+
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0);
+ bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL,
+ &mii_control);
+ mii_control &= ~(MDIO_COMBO_IEEO_MII_CONTROL_AN_EN |
+ MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_MASK |
+ MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX);
+
+ switch (bp->req_line_speed) {
+ case SPEED_100:
+ mii_control |=
+ MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_100;
+ break;
+ case SPEED_1000:
+ mii_control |=
+ MDIO_COMBO_IEEO_MII_CONTROL_MAN_SGMII_SP_1000;
+ break;
+ case SPEED_10:
+ /* there is nothing to set for 10M */
+ break;
+ default:
+ /* invalid speed for SGMII */
+ DP(NETIF_MSG_LINK, "Invalid req_line_speed 0x%x\n",
+ bp->req_line_speed);
+ break;
+ }
+
+ /* setting the full duplex */
+ if (bp->req_duplex == DUPLEX_FULL) {
+ mii_control |=
+ MDIO_COMBO_IEEO_MII_CONTROL_FULL_DUPLEX;
+ }
+ bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL,
+ mii_control);
+
+ } else { /* AN mode */
+ /* enable and restart AN */
+ bnx2x_restart_autoneg(bp);
+ }
+}
+
+static void bnx2x_link_int_enable(struct bnx2x *bp)
+{
+ int port = bp->port;
+
+ /* setting the status to report on link up
+ for either XGXS or SerDes */
+ bnx2x_bits_dis(bp, GRCBASE_NIG,
+ NIG_REGISTERS_STATUS_INTERRUPT_PORT0 + port*4,
+ (NIG_XGXS0_LINK_STATUS |
+ NIG_STATUS_INTERRUPT_XGXS0_LINK10G |
+ NIG_SERDES0_LINK_STATUS));
+
+ if (bp->phy_flags & PHY_XGXS_FLAG) {
+ /* TBD -
+ * in force mode (not AN) we can enable just the relevant
+ * interrupt
+ * Even in AN we might enable only one according to the AN
+ * speed mask
+ */
+ bnx2x_bits_en(bp, GRCBASE_NIG,
+ NIG_REGISTERS_MASK_INTERRUPT_PORT0 + port*4,
+ (NIG_MASK_XGXS0_LINK_STATUS |
+ NIG_MASK_XGXS0_LINK10G));
+ DP(NETIF_MSG_LINK, "enable XGXS interrupt\n");
+
+ } else { /* SerDes */
+ bnx2x_bits_en(bp, GRCBASE_NIG,
+ NIG_REGISTERS_MASK_INTERRUPT_PORT0 + port*4,
+ NIG_MASK_SERDES0_LINK_STATUS);
+ DP(NETIF_MSG_LINK, "enable SerDes interrupt\n");
+ }
+}
+
+static void bnx2x_ext_phy_init(struct bnx2x *bp)
+{
+ int port = bp->port;
+ u32 ext_phy_type;
+ u32 ext_phy_addr;
+ u32 local_phy;
+
+ if (bp->phy_flags & PHY_XGXS_FLAG) {
+ local_phy = bp->phy_addr;
+ ext_phy_addr = ((bp->ext_phy_config &
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
+
+ ext_phy_type = XGXS_EXT_PHY_TYPE(bp);
+ switch (ext_phy_type) {
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
+ DP(NETIF_MSG_LINK, "XGXS Direct\n");
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
+ DP(NETIF_MSG_LINK, "XGXS 8705\n");
+ bnx2x_bits_en(bp, GRCBASE_NIG,
+ NIG_REGISTERS_MASK_INTERRUPT_PORT0 +
+ port*4, NIG_MASK_MI_INT);
+ DP(NETIF_MSG_LINK, "enabled extenal phy int\n");
+
+ bp->phy_addr = ext_phy_type;
+ bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD,
+ EXT_PHY_OPT_PMD_MISC_CNTL,
+ 0x8288);
+ bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD,
+ EXT_PHY_OPT_PHY_IDENTIFIER,
+ 0x7fbf);
+ bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD,
+ EXT_PHY_OPT_CMU_PLL_BYPASS,
+ 0x0100);
+ bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_WIS_DEVAD,
+ EXT_PHY_OPT_LASI_CNTL, 0x1);
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
+ DP(NETIF_MSG_LINK, "XGXS 8706\n");
+ bnx2x_bits_en(bp, GRCBASE_NIG,
+ NIG_REGISTERS_MASK_INTERRUPT_PORT0 +
+ port*4, NIG_MASK_MI_INT);
+ DP(NETIF_MSG_LINK, "enabled extenal phy int\n");
+
+ bp->phy_addr = ext_phy_type;
+ bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD,
+ EXT_PHY_OPT_PMD_DIGITAL_CNT,
+ 0x400);
+ bnx2x_mdio45_vwrite(bp, EXT_PHY_OPT_PMA_PMD_DEVAD,
+ EXT_PHY_OPT_LASI_CNTL, 0x1);
+ break;
+
+ default:
+ DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
+ bp->ext_phy_config);
+ break;
+ }
+ bp->phy_addr = local_phy;
+
+ } else { /* SerDes */
+/* ext_phy_addr = ((bp->ext_phy_config &
+ PORT_HW_CFG_SERDES_EXT_PHY_ADDR_MASK) >>
+ PORT_HW_CFG_SERDES_EXT_PHY_ADDR_SHIFT);
+*/
+ ext_phy_type = SERDES_EXT_PHY_TYPE(bp);
+ switch (ext_phy_type) {
+ case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
+ DP(NETIF_MSG_LINK, "SerDes Direct\n");
+ break;
+
+ case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
+ DP(NETIF_MSG_LINK, "SerDes 5482\n");
+ bnx2x_bits_en(bp, GRCBASE_NIG,
+ NIG_REGISTERS_MASK_INTERRUPT_PORT0 +
+ port*4, NIG_MASK_MI_INT);
+ DP(NETIF_MSG_LINK, "enabled extenal phy int\n");
+ break;
+
+ default:
+ DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n",
+ bp->ext_phy_config);
+ break;
+ }
+ }
+}
+
+static void bnx2x_ext_phy_reset(struct bnx2x *bp)
+{
+ u32 ext_phy_type;
+ u32 ext_phy_addr;
+ u32 local_phy;
+
+ if (bp->phy_flags & PHY_XGXS_FLAG) {
+ ext_phy_type = XGXS_EXT_PHY_TYPE(bp);
+ switch (ext_phy_type) {
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
+ DP(NETIF_MSG_LINK, "XGXS Direct\n");
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
+ DP(NETIF_MSG_LINK, "XGXS 8705/6\n");
+ local_phy = bp->phy_addr;
+ ext_phy_addr = ((bp->ext_phy_config &
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_MASK) >>
+ PORT_HW_CFG_XGXS_EXT_PHY_ADDR_SHIFT);
+ bp->phy_addr = (u8)ext_phy_addr;
+ bnx2x_mdio45_write(bp, EXT_PHY_OPT_PMA_PMD_DEVAD,
+ EXT_PHY_OPT_CNTL, 0xa040);
+ bp->phy_addr = local_phy;
+ break;
+
+ default:
+ DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n",
+ bp->ext_phy_config);
+ break;
+ }
+
+ } else { /* SerDes */
+ ext_phy_type = SERDES_EXT_PHY_TYPE(bp);
+ switch (ext_phy_type) {
+ case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
+ DP(NETIF_MSG_LINK, "SerDes Direct\n");
+ break;
+
+ case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
+ DP(NETIF_MSG_LINK, "SerDes 5482\n");
+ break;
+
+ default:
+ DP(NETIF_MSG_LINK, "BAD SerDes ext_phy_config 0x%x\n",
+ bp->ext_phy_config);
+ break;
+ }
+ }
+}
+
+static void bnx2x_link_initialize(struct bnx2x *bp)
+{
+ int port = bp->port;
+
+ /* disable attentions */
+ bnx2x_bits_dis(bp, GRCBASE_NIG,
+ NIG_REGISTERS_MASK_INTERRUPT_PORT0 + port*4,
+ (NIG_MASK_XGXS0_LINK_STATUS |
+ NIG_MASK_XGXS0_LINK10G |
+ NIG_MASK_SERDES0_LINK_STATUS |
+ NIG_MASK_MI_INT));
+
+ bnx2x_ext_phy_reset(bp);
+
+ bnx2x_set_aer_mmd(bp);
+
+ if (bp->phy_flags & PHY_XGXS_FLAG) {
+ bnx2x_set_master_ln(bp);
+ }
+
+ /* reset the SerDes and wait for reset bit return low */
+ bnx2x_reset_unicore(bp);
+
+ bnx2x_set_aer_mmd(bp);
+
+ /* setting the masterLn_def again after the reset */
+ if (bp->phy_flags & PHY_XGXS_FLAG) {
+ bnx2x_set_master_ln(bp);
+ bnx2x_set_swap_lanes(bp);
+ }
+
+ /* Set Parallel Detect */
+ if (bp->req_autoneg & AUTONEG_SPEED) {
+ bnx2x_set_parallel_detection(bp);
+ }
+
+ if (bp->phy_flags & PHY_XGXS_FLAG) {
+ if (bp->req_line_speed &&
+ bp->req_line_speed < SPEED_1000) {
+ bp->phy_flags |= PHY_SGMII_FLAG;
+ } else {
+ bp->phy_flags &= ~PHY_SGMII_FLAG;
+ }
+ }
+
+ if (!(bp->phy_flags & PHY_SGMII_FLAG)) {
+ u16 bank, rx_eq;
+
+ rx_eq = ((bp->serdes_config &
+ PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_MASK) >>
+ PORT_HW_CFG_SERDES_RX_DRV_EQUALIZER_SHIFT);
+
+ DP(NETIF_MSG_LINK, "setting rx eq to %d\n", rx_eq);
+ for (bank = MDIO_REG_BANK_RX0; bank <= MDIO_REG_BANK_RX_ALL;
+ bank += (MDIO_REG_BANK_RX1 - MDIO_REG_BANK_RX0)) {
+ MDIO_SET_REG_BANK(bp, bank);
+ bnx2x_mdio22_write(bp, MDIO_RX0_RX_EQ_BOOST,
+ ((rx_eq &
+ MDIO_RX0_RX_EQ_BOOST_EQUALIZER_CTRL_MASK) |
+ MDIO_RX0_RX_EQ_BOOST_OFFSET_CTRL));
+ }
+
+ /* forced speed requested? */
+ if (!(bp->req_autoneg & AUTONEG_SPEED)) {
+ DP(NETIF_MSG_LINK, "not SGMII, no AN\n");
+
+ /* disable autoneg */
+ bnx2x_set_autoneg(bp);
+
+ /* program speed and duplex */
+ bnx2x_program_serdes(bp);
+
+ } else { /* AN_mode */
+ DP(NETIF_MSG_LINK, "not SGNII, AN\n");
+
+ /* AN enabled */
+ bnx2x_set_brcm_cl37_advertisment(bp);
+
+ /* program duplex & pause advertisment (for aneg) */
+ bnx2x_set_ieee_aneg_advertisment(bp);
+
+ /* enable autoneg */
+ bnx2x_set_autoneg(bp);
+
+ /* enalbe and restart AN */
+ bnx2x_restart_autoneg(bp);
+ }
+
+ } else { /* SGMII mode */
+ DP(NETIF_MSG_LINK, "SGMII\n");
+
+ bnx2x_initialize_sgmii_process(bp);
+ }
+
+ /* enable the interrupt */
+ bnx2x_link_int_enable(bp);
+
+ /* init ext phy and enable link state int */
+ bnx2x_ext_phy_init(bp);
+}
+
+static void bnx2x_phy_deassert(struct bnx2x *bp)
+{
+ int port = bp->port;
+ u32 val;
+
+ if (bp->phy_flags & PHY_XGXS_FLAG) {
+ DP(NETIF_MSG_LINK, "XGXS\n");
+ val = XGXS_RESET_BITS;
+
+ } else { /* SerDes */
+ DP(NETIF_MSG_LINK, "SerDes\n");
+ val = SERDES_RESET_BITS;
+ }
+
+ val = val << (port*16);
+
+ /* reset and unreset the SerDes/XGXS */
+ REG_WR(bp, GRCBASE_MISC, MISC_REGISTERS_RESET_REG_3_CLEAR, val);
+ msleep(5);
+ REG_WR(bp, GRCBASE_MISC, MISC_REGISTERS_RESET_REG_3_SET, val);
+}
+
+static int bnx2x_phy_init(struct bnx2x *bp)
+{
+ DP(NETIF_MSG_LINK, "started\n");
+ if (CHIP_REV(bp) == CHIP_REV_FPGA) {
+ bp->phy_flags |= PHY_EMAC_FLAG;
+ bp->link_up = 1;
+ bp->line_speed = SPEED_10000;
+ bp->duplex = DUPLEX_FULL;
+ NIG_WR(NIG_REGISTERS_EGRESS_DRAIN0_MODE + bp->port*4, 0);
+ bnx2x_emac_enable(bp);
+ bnx2x_link_report(bp);
+ return 0;
+
+ } else if (CHIP_REV(bp) == CHIP_REV_EMUL) {
+ bp->phy_flags |= PHY_BMAC_FLAG;
+ bp->link_up = 1;
+ bp->line_speed = SPEED_10000;
+ bp->duplex = DUPLEX_FULL;
+ NIG_WR(NIG_REGISTERS_EGRESS_DRAIN0_MODE + bp->port*4, 0);
+ bnx2x_bmac_enable(bp, 0);
+ bnx2x_link_report(bp);
+ return 0;
+
+ } else {
+ bnx2x_phy_deassert(bp);
+ bnx2x_link_initialize(bp);
+ }
+
+ return 0;
+}
+
+static void bnx2x_link_reset(struct bnx2x *bp)
+{
+ int port = bp->port;
+
+ /* disable attentions */
+ bnx2x_bits_dis(bp, GRCBASE_NIG,
+ NIG_REGISTERS_MASK_INTERRUPT_PORT0 + port*4,
+ (NIG_MASK_XGXS0_LINK_STATUS |
+ NIG_MASK_XGXS0_LINK10G |
+ NIG_MASK_SERDES0_LINK_STATUS |
+ NIG_MASK_MI_INT));
+
+ bnx2x_ext_phy_reset(bp);
+
+ /* reset the SerDes/XGXS */
+ REG_WR(bp, GRCBASE_MISC, MISC_REGISTERS_RESET_REG_3_CLEAR,
+ (0x1ff << (port*16)));
+
+ /* reset EMAC / BMAC and disable NIG interfaces */
+ NIG_WR(NIG_REGISTERS_BMAC0_IN_EN + port*4, 0);
+ NIG_WR(NIG_REGISTERS_BMAC0_OUT_EN + port*4, 0);
+
+ NIG_WR(NIG_REGISTERS_NIG_EMAC0_EN + port*4, 0);
+ NIG_WR(NIG_REGISTERS_EMAC0_IN_EN + port*4, 0);
+ NIG_WR(NIG_REGISTERS_EGRESS_EMAC0_OUT_EN + port*4, 0);
+
+ NIG_WR(NIG_REGISTERS_EGRESS_DRAIN0_MODE + port*4, 1);
+}
+
+#ifdef BNX2X_XGXS_LB
+static void bnx2x_set_xgxs_loopback (struct bnx2x *bp, int is_10g)
+{
+ int port = bp->port;
+
+ if (is_10g) {
+ u32 md_devad;
+
+ DP(NETIF_MSG_LINK, "XGXS 10G loopback enable\n");
+
+ /* change the uni_phy_addr in the nig */
+ REG_RD(bp, GRCBASE_NIG,
+ (NIG_REGISTERS_XGXS0_CTRL_MD_DEVAD + (port*0x18)),
+ &md_devad);
+ NIG_WR(NIG_REGISTERS_XGXS0_CTRL_MD_DEVAD + (port*0x18), 0x5);
+
+ /* change the aer mmd */
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_AER_BLOCK);
+ bnx2x_mdio22_write(bp, MDIO_AER_BLOCK_AER_REG, 0x2800);
+
+ /* config combo IEEE0 control reg for loopback */
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_CL73_IEEEB0);
+ bnx2x_mdio22_write(bp, MDIO_CL73_IEEEB0_CL73_AN_CONTROL,
+ 0x6041);
+
+ /* set aer mmd back */
+ bnx2x_set_aer_mmd(bp);
+
+ /* and md_devad */
+ NIG_WR(NIG_REGISTERS_XGXS0_CTRL_MD_DEVAD + (port*0x18),
+ md_devad);
+
+ } else {
+ u32 mii_control;
+
+ DP(NETIF_MSG_LINK, "XGXS 1G loopback enable\n");
+
+ MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_COMBO_IEEE0);
+ bnx2x_mdio22_read(bp, MDIO_COMBO_IEEE0_MII_CONTROL,
+ &mii_control);
+ bnx2x_mdio22_write(bp, MDIO_COMBO_IEEE0_MII_CONTROL,
+ (mii_control |
+ MDIO_COMBO_IEEO_MII_CONTROL_LOOPBACK));
+ }
+}
+#endif
+
+/* end of PHY/MAC */
+
+/* slow path */
+
+/****************************************************************************
+* General service functions
+****************************************************************************/
+
+/* the slow path queue is odd since completions arrive on the fastpath
ring */
+static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
+ u32 data_hi, u32 data_lo, int common)
+{
+ int port = bp->port;
+
+ DP(NETIF_MSG_TIMER,
+ "spe (%x:%x) command %x hw_cid %x data (%x:%x) left %x\n",
+ (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) +
+ (void *)bp->spq_prod_bd - (void *)bp->spq), command,
+ HW_CID(bp, cid), data_hi, data_lo, bp->spq_left);
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic)) {
+ return -EIO;
+ }
+#endif
+
+ spin_lock(&bp->spq_lock);
+
+ if (!bp->spq_left ||
+ (((bp->spq_prod_idx - bp->spq_con_idx) & 0xfff) ==
+ MAX_SP_DESC_CNT)) {
+
+ BNX2X_ERR("BUG! SPQ ring full!\n");
+ spin_unlock(&bp->spq_lock);
+ bnx2x_panic();
+ return -EBUSY;
+ }
+ /* CID needs port number to be encoded int it */
+ bp->spq_prod_bd->hdr.conn_and_cmd_data =
+ ((command << SPE_HDR_CMD_ID_SHIFT) | HW_CID(bp, cid));
+ bp->spq_prod_bd->hdr.type = ETH_CONNECTION_TYPE;
+ if (common)
+ bp->spq_prod_bd->hdr.type |=
+ (1 << SPE_HDR_COMMON_RAMROD_SHIFT);
+
+ bp->spq_prod_bd->data.mac_config_addr.hi = data_hi;
+ bp->spq_prod_bd->data.mac_config_addr.lo = data_lo;
+
+ bp->spq_left--;
+
+ 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++;
+ }
+
+ REG_WR32(bp, BAR_XSTRORM_INTMEM, XSTORM_SPQ_PROD_OFFSET(port),
+ bp->spq_prod_idx);
+
+ spin_unlock(&bp->spq_lock);
+ return 0;
+}
+
+/* acquire split MCP access lock register */
+static int bnx2x_lock_alr( struct bnx2x *bp)
+{
+ int rc = 0;
+ u32 i, j, val;
+
+ i = 100;
+
+ for (j = 0; j < i*10; j++) {
+ val = 1UL << 31;
+ REG_WR(bp, GRCBASE_MCP, 0x9c, val);
+ val = REG_RD(bp, GRCBASE_MCP, 0x9c);
+ if (val & (1L << 31)) {
+ break;
+ }
+
+ mdelay(5);
+ }
+
+ if (!(val & (1L << 31))) {
+ BNX2X_ERR("Cannot acquire nvram interface\n");
+
+ rc = -EBUSY;
+ }
+
+ return rc;
+}
+
+/* Release split MCP access lock register */
+static void bnx2x_unlock_alr(struct bnx2x *bp)
+{
+ u32 val = 0;
+
+ REG_WR(bp, GRCBASE_MCP, 0x9c, val);
+}
+
+static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp)
+{
+ struct host_def_status_block *dsb = bp->def_status_blk;
+ u16 rc = 0;
+
+ if (bp->def_att_idx != dsb->atten_status_block.attn_bits_index) {
+
+
+ bp->def_att_idx = dsb->atten_status_block.attn_bits_index;
+ rc |= 1;
+ }
+ if (bp->def_c_idx != dsb->c_def_status_block.status_block_index) {
+ bp->def_c_idx = dsb->c_def_status_block.status_block_index;
+ rc |= 2;
+ }
+ if (bp->def_u_idx != dsb->u_def_status_block.status_block_index) {
+ bp->def_u_idx = dsb->u_def_status_block.status_block_index;
+ rc |= 4;
+ }
+ if (bp->def_x_idx != dsb->x_def_status_block.status_block_index) {
+ bp->def_x_idx = dsb->x_def_status_block.status_block_index;
+ rc |= 8;
+ }
+ if (bp->def_t_idx != dsb->t_def_status_block.status_block_index) {
+ bp->def_t_idx = dsb->t_def_status_block.status_block_index;
+ rc |= 16;
+ }
+ rmb(); /* TBD chack this */
+ return rc;
+}
+
+/****************************************************************************
+* slow path service functions
+****************************************************************************/
+
+static void bnx2x_attn_int_asserted(struct bnx2x *bp, u16 asserted)
+{
+ int port = bp->port;
+ u32 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_PORT_BASE * port) * 8;
+ u32 aeu_addr = port ? MISC_REGISTERS_AEU_MASK_ATTN_FUNC_1 :
+ MISC_REGISTERS_AEU_MASK_ATTN_FUNC_0;
+ u32 nig_mask_addr = port ? NIG_REGISTERS_MASK_INTERRUPT_PORT1 :
+ NIG_REGISTERS_MASK_INTERRUPT_PORT0;
+
+ if (~bp->aeu_mask & (asserted & 0xff))
+ BNX2X_ERR("IGU ERROR\n");
+ if (bp->attn_state & asserted)
+ BNX2X_ERR("IGU ERROR\n");
+
+ DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n",
+ bp->aeu_mask, asserted);
+ bp->aeu_mask &= ~(asserted & 0xff);
+ DP(NETIF_MSG_HW, "after masking: aeu_mask %x\n", bp->aeu_mask);
+
+ REG_WR(bp, GRCBASE_MISC_AEU, aeu_addr, bp->aeu_mask);
+
+ bp->attn_state |= asserted;
+
+ if (asserted & ATTN_HARD_WIRED_MASK) {
+ if (asserted & ATTN_NIG_FOR_FUNC0) {
+ u32 nig_status_port;
+ u32 nig_int_addr = port ?
+ NIG_REGISTERS_STATUS_INTERRUPT_PORT1 :
+ NIG_REGISTERS_STATUS_INTERRUPT_PORT0;
+
+ bp->nig_mask = REG_RD(bp, GRCBASE_NIG, nig_mask_addr);
+ REG_WR(bp, GRCBASE_NIG, nig_mask_addr, 0);
+
+ nig_status_port = REG_RD(bp, GRCBASE_NIG,
+ nig_int_addr);
+ bnx2x_link_update(bp);
+ /* handle unicore attn? */
+ } /* NIG ATTN */
+ if (asserted & ATTN_SW_TIMER_4_FUNC0) {
+ DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n");
+ }
+ if (asserted & GPIO_2_FUNC0) {
+ DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n");
+ }
+ if (asserted & GPIO_3_FUNC0) {
+ DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n");
+ }
+ if (asserted & GPIO_4_FUNC0) {
+ DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n");
+ }
+ if (asserted & ATTN_GENERAL_ATTN_1) {
+ DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n");
+ REG_WR(bp, GRCBASE_MISC,
+ MISC_REGISTERS_AEU_GENERAL_ATTN_1, 0x0);
+ /* TBD assert and dump */
+ }
+ if (asserted & ATTN_GENERAL_ATTN_2) {
+ DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n");
+ }
+ if (asserted & ATTN_GENERAL_ATTN_3) {
+ DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n");
+ }
+ } /* if hardwired */
+
+ DP(NETIF_MSG_HW, "about to mask 0x%08x at IGU addr 0x%x\n", asserted,
+ BAR_IGU_INTMEM + igu_addr);
+ REG_WR(bp, BAR_IGU_INTMEM, igu_addr, asserted);
+
+ /* now set back the mask */
+ if (asserted & (ATTN_NIG_FOR_FUNC0 | ATTN_NIG_FOR_FUNC1)) {
+ REG_WR(bp, GRCBASE_NIG, nig_mask_addr, bp->nig_mask);
+ }
+}
+
+static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u16 deasserted)
+{
+ int port = bp->port;
+ int index;
+ struct attn_route attn;
+ struct attn_route group_mask;
+ u32 reg_addr;
+ u32 val;
+
+ /* need to take HW lock because MCP or other port might also
+ try to handle this event */
+ bnx2x_lock_alr(bp);
+
+ attn.sig[0] = REG_RD(bp, GRCBASE_MISC_AEU,
+ MISC_REGISTERS_AEU_AFTER_INVERT_1_FUNC_0 +
+ port*4);
+
+ attn.sig[1] = REG_RD(bp, GRCBASE_MISC_AEU,
+ MISC_REGISTERS_AEU_AFTER_INVERT_2_FUNC_0 +
+ port*4);
+
+ attn.sig[2] = REG_RD(bp, GRCBASE_MISC_AEU,
+ MISC_REGISTERS_AEU_AFTER_INVERT_3_FUNC_0 +
+ port*4);
+
+ attn.sig[3] = REG_RD(bp, GRCBASE_MISC_AEU,
+ MISC_REGISTERS_AEU_AFTER_INVERT_4_FUNC_0 +
+ port*4);
+
+ DP(NETIF_MSG_HW, "attn %llx\n", (unsigned long long)attn.sig[0]);
+
+ for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) {
+ if (deasserted & (1 << index)) {
+ group_mask = bp->attn_group[index];
+
+ DP(NETIF_MSG_HW, "group[%d]: %llx\n", index,
+ (unsigned long long)group_mask.sig[0]);
+
+ if (attn.sig[3] & group_mask.sig[3] &
+ EVEREST_GEN_ATTN_IN_USE_MASK) {
+
+ if (BNX2X_MC_ASSERT_BITS & attn.sig[3]) {
+
+ BNX2X_ERR("MC assert!\n");
+ bnx2x_panic();
+
+ } else if (BNX2X_MCP_ASSERT & attn.sig[3]) {
+
+ BNX2X_ERR("MCP assert!\n");
+ REG_WR(bp, GRCBASE_MISC_AEU,
+ MISC_REGISTERS_AEU_GENERAL_ATTN_11, 0);
+ bnx2x_mc_assert(bp);
+
+ } else {
+ BNX2X_ERR("UNKOWEN HW ASSERT!\n");
+ }
+ }
+
+ if (attn.sig[1] & group_mask.sig[1] &
+ BNX2X_DOORQ_ASSERT) {
+
+ val = REG_RD(bp, GRCBASE_DQ,
+ DORQ_REGISTERS_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");
+ }
+ }
+
+ if (attn.sig[2] & group_mask.sig[2] &
+ AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) {
+
+ val = REG_RD(bp, GRCBASE_PXP,
+ PXP_REGISTERS_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");
+ }
+ }
+
+ if (attn.sig[3] & group_mask.sig[3] &
+ EVEREST_LATCHED_ATTN_IN_USE_MASK) {
+
+ REG_WR(bp, GRCBASE_MISC_AEU,
+ MISC_REGISTERS_AEU_CLR_LATCH_SIGNAL,
+ 0x7ff);
+ DP(NETIF_MSG_HW, "got latched bits 0x%x\n",
+ attn.sig[3]);
+ }
+ }
+ }
+
+ bnx2x_unlock_alr(bp);
+
+ reg_addr = (IGU_ADDR_ATTN_BITS_CLR + IGU_PORT_BASE * port) * 8;
+
+ val = ~deasserted;
+/* DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n", val,
+ BAR_IGU_INTMEM + reg_addr); */
+ REG_WR32(bp, BAR_IGU_INTMEM, reg_addr, val);
+
+ if (bp->aeu_mask & (deasserted & 0xff))
+ BNX2X_ERR("IGU BUG\n");
+ if (~bp->attn_state & deasserted)
+ BNX2X_ERR("IGU BUG\n");
+
+ reg_addr = port ? MISC_REGISTERS_AEU_MASK_ATTN_FUNC_1 :
+ MISC_REGISTERS_AEU_MASK_ATTN_FUNC_0;
+
+ DP(NETIF_MSG_HW, "aeu_mask %x\n", bp->aeu_mask);
+ bp->aeu_mask |= (deasserted & 0xff);
+
+ DP(NETIF_MSG_HW, "new mask %x\n", bp->aeu_mask);
+ REG_WR(bp, GRCBASE_MISC_AEU, reg_addr, bp->aeu_mask);
+
+ 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 */
+ u16 attn_bits = bp->def_status_blk->atten_status_block.attn_bits;
+ u16 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack;
+ u16 attn_state = bp->attn_state;
+
+ /* look for changed bits */
+ u16 asserted = attn_bits & ~attn_ack & ~attn_state;
+ u16 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)) {
+ BNX2X_ERR("bad attention state\n");
+ }
+
+ /* handle bits that were raised */
+ if (asserted) {
+ bnx2x_attn_int_asserted(bp, asserted);
+ }
+
+ if (deasserted) {
+ bnx2x_attn_int_deasserted(bp, deasserted);
+ }
+}
+
+static void bnx2x_sp_task(unsigned long arg)
+{
+ struct bnx2x *bp = (struct bnx2x *)arg;
+ u16 status;
+
+ /* Return here if interrupt is disabled. */
+ if (unlikely(atomic_read(&bp->intr_sem) != 0)) {
+ DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
+ return;
+ }
+
+ status = bnx2x_update_dsb_idx(bp);
+ if (status == 0) {
+ BNX2X_ERR("spurious slowpath interrupt!\n");
+ }
+
+ DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status);
+
+ if (status & 0x1) {
+ /* HW attentions */
+ bnx2x_attn_int(bp);
+ }
+
+ /* CStorm events: query_stats, cfc delete ramrods */
+ if (status & 0x2) {
+ bp->stat_pending = 0;
+ }
+
+ if (status & 0x8) { /* spq consumer update */
+ bp->spq_con_idx = *bp->spq_hw_con;
+ DP(NETIF_MSG_INTR, "spq (%d,%d)\n",
+ bp->spq_prod_idx, bp->spq_con_idx);
+ }
+
+ bnx2x_ack_sb(bp, 16, ATTENTION_ID, bp->def_att_idx, IGU_INT_NOP, 1);
+ bnx2x_ack_sb(bp, 16, USTORM_ID, bp->def_u_idx, IGU_INT_NOP, 1);
+ bnx2x_ack_sb(bp, 16, CSTORM_ID, bp->def_c_idx, IGU_INT_NOP, 1);
+ bnx2x_ack_sb(bp, 16, XSTORM_ID, bp->def_x_idx, IGU_INT_NOP, 1);
+ bnx2x_ack_sb(bp, 16, TSTORM_ID, bp->def_t_idx, IGU_INT_ENABLE, 1);
+}
+
+static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance)
+{
+ 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)) {
+ DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n");
+ return IRQ_HANDLED;
+ }
+
+ bnx2x_ack_sb(bp, 16, XSTORM_ID, 0, IGU_INT_DISABLE, 0);
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic)) {
+ return IRQ_HANDLED;
+ }
+#endif
+
+ tasklet_schedule(&bp->sp_task);
+
+ return IRQ_HANDLED;
+}
+
+/* end of slow path */
+
+/* Statistics */
+
+/****************************************************************************
+* Macros
+****************************************************************************/
+
+#define UPDATE_STAT(s, t) \
+ do { \
+ estats->t += new->s - old->s; \
+ old->s = new->s; \
+ } while (0)
+
+/* sum[hi:lo] += add[hi:lo] */
+#define ADD_64(s_hi, a_hi, s_lo, a_lo) \
+ do { \
+ s_lo += a_lo; \
+ s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \
+ } while (0)
+
+/* difference = minuend - subtrahend */
+#define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \
+ do { \
+ if (m_lo < s_lo) { /* underflow */ \
+ d_hi = m_hi - s_hi; \
+ if (d_hi > 0) { /* we can 'loan' 1 */ \
+ d_hi--; \
+ d_lo = m_lo + (UINT_MAX - s_lo) + 1; \
+ } else { /* m_hi <= s_hi */ \
+ d_hi = 0; \
+ d_lo = 0; \
+ } \
+ } else { /* m_lo >= s_lo */ \
+ if (m_hi < s_hi) { \
+ d_hi = 0; \
+ d_lo = 0; \
+ } else { /* m_hi >= s_hi */ \
+ d_hi = m_hi - s_hi; \
+ d_lo = m_lo - s_lo; \
+ } \
+ } \
+ } while (0)
+
+/* minuend -= subtrahend */
+#define SUB_64(m_hi, s_hi, m_lo, s_lo) \
+ do { \
+ DIFF_64(m_hi, m_hi, s_hi, m_lo, m_lo, s_lo); \
+ } while (0)
+
+#define UPDATE_STAT64(s_hi, t_hi, s_lo, t_lo) \
+ do { \
+ DIFF_64(diff.hi, new->s_hi, old->s_hi, \
+ diff.lo, new->s_lo, old->s_lo); \
+ old->s_hi = new->s_hi; \
+ old->s_lo = new->s_lo; \
+ ADD_64(estats->t_hi, diff.hi, \
+ estats->t_lo, diff.lo); \
+ } while (0)
+
+/* sum[hi:lo] += add */
+#define ADD_EXTEND_64(s_hi, s_lo, a) \
+ do { \
+ s_lo += a; \
+ s_hi += (s_lo < a) ? 1 : 0; \
+ } while (0)
+
+#define UPDATE_EXTEND_STAT(s, t_hi, t_lo) \
+ do { \
+ ADD_EXTEND_64(estats->t_hi, estats->t_lo, new->s); \
+ } while (0)
+
+#define UPDATE_EXTEND_TSTAT(s, t_hi, t_lo) \
+ do { \
+ diff = tclient->s - old_tclient->s; \
+ old_tclient->s = tclient->s; \
+ ADD_EXTEND_64(estats->t_hi, estats->t_lo, diff); \
+ } while (0)
+
+/****************************************************************************
+* General service functions
+****************************************************************************/
+
+static inline long bnx2x_hilo(u32 *hiref)
+{
+ u32 lo = *(hiref + 1);
+#if (BITS_PER_LONG == 64)
+ u32 hi = *hiref;
+
+ return HILO_U64(hi, lo);
+#else
+ return lo;
+#endif
+}
+
+/****************************************************************************
+* Init service functions
+****************************************************************************/
+
+/* DMAE command positions used
+ * Port0 BIGMAC 0,1 EMAC 2,3,4 NIG 5 MCP 12
+ * Port1 BIGMAC 6,7 EMAC 8,9,10 NIG 11 MCP 13
+ */
+static void bnx2x_init_mac_stats(struct bnx2x *bp)
+{
+ struct dmae_command *dmae = &bp->dmae;
+ int port = bp->port;
+ u32 mac_addr = (GRCBASE_NIG +
+ (port ? NIG_REGISTERS_INGRESS_BMAC1_MEM :
+ NIG_REGISTERS_INGRESS_BMAC0_MEM));
+
+ memset(dmae, 0, sizeof(struct dmae_command));
+
+ /* BIGMAC_REGISTER_TX_STAT_GTPKT - BIGMAC_REGISTER_TX_STAT_GTBYT */
+ dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
+ DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE |
+ DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0));
+ dmae->src_addr_lo = (mac_addr + BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
+ dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
+ BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
+ dmae->comp_addr_lo = (GRCBASE_DMAE +
+ (port ? DMAE_REGISTERS_GO_C7 :
+ DMAE_REGISTERS_GO_C1)) >> 2;
+ dmae->comp_val = 1;
+ bnx2x_post_dmae(bp, port ? 6 : 0);
+
+ /* BIGMAC_REGISTER_RX_STAT_GR64 - BIGMAC_REGISTER_RX_STAT_GRIPJ */
+ /* command type and comp val taken from first command */
+ dmae->src_addr_lo = (mac_addr + BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
+ offsetof(struct bmac_stats, rx_gr64));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
+ offsetof(struct bmac_stats, rx_gr64));
+ dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
+ BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
+ dmae->comp_addr_lo = (GRCBASE_DMAE +
+ (port ? DMAE_REGISTERS_GO_C11 :
+ DMAE_REGISTERS_GO_C5)) >> 2;
+ bnx2x_post_dmae(bp, port ? 7 : 1);
+
+
+ mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
+
+ /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT) */
+ dmae->src_addr_lo = (mac_addr + EMAC_REG_EMAC_RX_STAT_AC) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
+ dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
+ dmae->comp_addr_lo = (GRCBASE_DMAE +
+ (port ? DMAE_REGISTERS_GO_C9 :
+ DMAE_REGISTERS_GO_C3)) >> 2;
+ bnx2x_post_dmae(bp, port ? 8 : 2);
+
+ /* EMAC_REG_EMAC_RX_STAT_AC_28 */
+ dmae->src_addr_lo = (mac_addr + EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
+ offsetof(struct emac_stats,
+ rx_falsecarriererrors));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
+ offsetof(struct emac_stats,
+ rx_falsecarriererrors));
+ dmae->len = 1;
+ dmae->comp_addr_lo = (GRCBASE_DMAE +
+ (port ? DMAE_REGISTERS_GO_C10 :
+ DMAE_REGISTERS_GO_C4)) >> 2;
+ bnx2x_post_dmae(bp, port ? 9 : 3);
+
+ /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT) */
+ dmae->src_addr_lo = (mac_addr + EMAC_REG_EMAC_TX_STAT_AC) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
+ offsetof(struct emac_stats,
+ tx_ifhcoutoctets));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
+ offsetof(struct emac_stats,
+ tx_ifhcoutoctets));
+ dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
+ dmae->comp_addr_lo = (GRCBASE_DMAE +
+ (port ? DMAE_REGISTERS_GO_C11 :
+ DMAE_REGISTERS_GO_C5)) >> 2;
+ bnx2x_post_dmae(bp, port ? 10 : 4);
+
+ /* NIG */
+ dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI |
+ DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE |
+ DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0));
+ dmae->src_addr_lo = (GRCBASE_NIG +
+ (port ? NIG_REGISTERS_STAT1_BRB_DISCARD :
+ NIG_REGISTERS_STAT0_BRB_DISCARD)) >> 2;
+ dmae->src_addr_hi = 0;
+ dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig));
+ dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig));
+ dmae->len = (sizeof(struct nig_stats) - 2*sizeof(u32)) >> 2;
+ dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig) +
+ offsetof(struct nig_stats, done));
+ dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig) +
+ offsetof(struct nig_stats, done));
+ dmae->comp_val = 0xffffffff;
+ bnx2x_post_dmae(bp, port ? 11 : 5);
+
+ /* MCP */
+ if (bp->fw_mb) {
+ dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC |
+ /* DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | */
+ DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET |
+#ifdef __BIG_ENDIAN
+ DMAE_CMD_ENDIANITY_B_DW_SWAP |
+#else
+ DMAE_CMD_ENDIANITY_DW_SWAP |
+#endif
+ (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0));
+ dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, eth_stats) +
+ sizeof(u32));
+ dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, eth_stats) +
+ sizeof(u32));
+ dmae->dst_addr_lo = bp->fw_mb >> 2;
+ dmae->dst_addr_hi = 0;
+ dmae->len = (offsetof(struct bnx2x_eth_stats, mac_stx_end) -
+ sizeof(u32)) >> 2;
+ dmae->comp_addr_lo = 0;
+ dmae->comp_addr_hi = 0;
+ dmae->comp_val = 0;
+ bnx2x_post_dmae(bp, port ? 13 : 12);
+ }
+}
+
+static void bnx2x_init_stats(struct bnx2x *bp)
+{
+ int port = bp->port;
+
+ bp->stats_state = STATS_STATE_DISABLE;
+
+ bp->old_brb_discard = REG_RD(bp, GRCBASE_NIG,
+ NIG_REGISTERS_STAT0_BRB_DISCARD +
+ port*0x38);
+
+ memset(&bp->old_bmac, 0, sizeof(struct bmac_stats));
+ memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats));
+ memset(&bp->net_stats, 0, sizeof(struct net_device_stats));
+
+ bnx2x_init_mac_stats(bp);
+
+ REG_WR32(bp, BAR_XSTRORM_INTMEM, XSTORM_STATS_FLAGS_OFFSET(port), 1);
+ REG_WR32(bp, BAR_XSTRORM_INTMEM,
+ XSTORM_STATS_FLAGS_OFFSET(port) + 4, 0);
+
+ REG_WR32(bp, BAR_TSTRORM_INTMEM, TSTORM_STATS_FLAGS_OFFSET(port), 1);
+ REG_WR32(bp, BAR_TSTRORM_INTMEM,
+ TSTORM_STATS_FLAGS_OFFSET(port) + 4, 0);
+
+ REG_WR32(bp, BAR_CSTRORM_INTMEM, CSTORM_STATS_FLAGS_OFFSET(port), 0);
+ REG_WR32(bp, BAR_CSTRORM_INTMEM,
+ CSTORM_STATS_FLAGS_OFFSET(port) + 4, 0);
+
+ REG_WR32(bp, BAR_XSTRORM_INTMEM,
+ XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port),
+ U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
+ REG_WR32(bp, BAR_XSTRORM_INTMEM,
+ XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port) + 4,
+ U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
+
+ REG_WR32(bp, BAR_TSTRORM_INTMEM,
+ TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port),
+ U64_LO(bnx2x_sp_mapping(bp, fw_stats)));
+ REG_WR32(bp, BAR_TSTRORM_INTMEM,
+ TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port) + 4,
+ U64_HI(bnx2x_sp_mapping(bp, fw_stats)));
+}
+
+static void bnx2x_stop_stats(struct bnx2x *bp)
+{
+ if (bp->stats_state != STATS_STATE_DISABLE) {
+ bp->stats_state = STATS_STATE_STOP;
+ DP(BNX2X_MSG_STATS, "stats_state - STOP\n");
+
+ while (bp->stats_state != STATS_STATE_DISABLE) {
+ msleep(100);
+ }
+ }
+ DP(BNX2X_MSG_STATS, "stats_state - DISABLE\n");
+}
+
+/****************************************************************************
+* Statistics service functions
+****************************************************************************/
+
+static void bnx2x_update_bmac_stats(struct bnx2x *bp)
+{
+ struct regp diff;
+ struct regp sum;
+ struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac);
+ struct bmac_stats *old = &bp->old_bmac;
+ struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats);
+
+ sum.hi = 0;
+ sum.lo = 0;
+
+ UPDATE_STAT64(tx_gtbyt.hi, total_bytes_transmitted_hi,
+ tx_gtbyt.lo, total_bytes_transmitted_lo);
+
+ UPDATE_STAT64(tx_gtmca.hi, total_multicast_packets_transmitted_hi,
+ tx_gtmca.lo, total_multicast_packets_transmitted_lo);
+ ADD_64(sum.hi, diff.hi, sum.lo, diff.lo);
+
+ UPDATE_STAT64(tx_gtgca.hi, total_broadcast_packets_transmitted_hi,
+ tx_gtgca.lo, total_broadcast_packets_transmitted_lo);
+ ADD_64(sum.hi, diff.hi, sum.lo, diff.lo);
+
+ UPDATE_STAT64(tx_gtpkt.hi, total_unicast_packets_transmitted_hi,
+ tx_gtpkt.lo, total_unicast_packets_transmitted_lo);
+ SUB_64(estats->total_unicast_packets_transmitted_hi, sum.hi,
+ estats->total_unicast_packets_transmitted_lo, sum.lo);
+
+ UPDATE_STAT(tx_gtxpf.lo, pause_xoff_frames_transmitted);
+ UPDATE_STAT(tx_gt64.lo, frames_transmitted_64_bytes);
+ UPDATE_STAT(tx_gt127.lo, frames_transmitted_65_127_bytes);
+ UPDATE_STAT(tx_gt255.lo, frames_transmitted_128_255_bytes);
+ UPDATE_STAT(tx_gt511.lo, frames_transmitted_256_511_bytes);
+ UPDATE_STAT(tx_gt1023.lo, frames_transmitted_512_1023_bytes);
+ UPDATE_STAT(tx_gt1518.lo, frames_transmitted_1024_1522_bytes);
+ UPDATE_STAT(tx_gt2047.lo, frames_transmitted_1523_9022_bytes);
+ UPDATE_STAT(tx_gt4095.lo, frames_transmitted_1523_9022_bytes);
+ UPDATE_STAT(tx_gt9216.lo, frames_transmitted_1523_9022_bytes);
+ UPDATE_STAT(tx_gt16383.lo, frames_transmitted_1523_9022_bytes);
+
+
+ UPDATE_STAT(rx_grfcs.lo, crc_receive_errors);
+ UPDATE_STAT(rx_grund.lo, runt_packets_received);
+ UPDATE_STAT(rx_grovr.lo, jabber_packets_received);
+ UPDATE_STAT(rx_grxpf.lo, pause_xoff_frames_received);
+ UPDATE_STAT(rx_grxcf.lo, control_frames_received);
+ /* UPDATE_STAT(rx_grxpf.lo, control_frames_received); */
+ UPDATE_STAT(rx_grfrg.lo, error_runt_packets_received);
+ UPDATE_STAT(rx_grjbr.lo, error_jabber_packets_received);
+
+ UPDATE_STAT64(rx_grerb.hi, stat_IfHCInBadOctets_hi,
+ rx_grerb.lo, stat_IfHCInBadOctets_lo);
+ UPDATE_STAT64(tx_gtufl.hi, stat_IfHCOutBadOctets_hi,
+ tx_gtufl.lo, stat_IfHCOutBadOctets_lo);
+ UPDATE_STAT(tx_gterr.lo, stat_Dot3statsinternalmactransmiterrors);
+ /* UPDATE_STAT(rx_grxpf.lo, stat_XoffStateEntered); */
+ estats->stat_XoffStateEntered = estats->pause_xoff_frames_received;
+}
+
+static void bnx2x_update_emac_stats(struct bnx2x *bp)
+{
+ struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac);
+ struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats);
+
+ UPDATE_EXTEND_STAT(tx_ifhcoutoctets, total_bytes_transmitted_hi,
+ total_bytes_transmitted_lo);
+ UPDATE_EXTEND_STAT(tx_ifhcoutucastpkts,
+ total_unicast_packets_transmitted_hi,
+ total_unicast_packets_transmitted_lo);
+ UPDATE_EXTEND_STAT(tx_ifhcoutmulticastpkts,
+ total_multicast_packets_transmitted_hi,
+ total_multicast_packets_transmitted_lo);
+ UPDATE_EXTEND_STAT(tx_ifhcoutbroadcastpkts,
+ total_broadcast_packets_transmitted_hi,
+ total_broadcast_packets_transmitted_lo);
+
+ estats->pause_xon_frames_transmitted += new->tx_outxonsent;
+ estats->pause_xoff_frames_transmitted += new->tx_outxoffsent;
+ estats->single_collision_transmit_frames +=
+ new->tx_dot3statssinglecollisionframes;
+ estats->multiple_collision_transmit_frames +=
+ new->tx_dot3statsmultiplecollisionframes;
+ estats->late_collision_frames += new->tx_dot3statslatecollisions;
+ estats->excessive_collision_frames +=
+ new->tx_dot3statsexcessivecollisions;
+ estats->frames_transmitted_64_bytes += new->tx_etherstatspkts64octets;
+ estats->frames_transmitted_65_127_bytes +=
+ new->tx_etherstatspkts65octetsto127octets;
+ estats->frames_transmitted_128_255_bytes +=
+ new->tx_etherstatspkts128octetsto255octets;
+ estats->frames_transmitted_256_511_bytes +=
+ new->tx_etherstatspkts256octetsto511octets;
+ estats->frames_transmitted_512_1023_bytes +=
+ new->tx_etherstatspkts512octetsto1023octets;
+ estats->frames_transmitted_1024_1522_bytes +=
+ new->tx_etherstatspkts1024octetsto1522octet;
+ estats->frames_transmitted_1523_9022_bytes +=
+ new->tx_etherstatspktsover1522octets;
+
+ estats->crc_receive_errors += new->rx_dot3statsfcserrors;
+ estats->alignment_errors += new->rx_dot3statsalignmenterrors;
+ estats->false_carrier_detections += new->rx_falsecarriererrors;
+ estats->runt_packets_received += new->rx_etherstatsundersizepkts;
+ estats->jabber_packets_received += new->rx_dot3statsframestoolong;
+ estats->pause_xon_frames_received += new->rx_xonpauseframesreceived;
+ estats->pause_xoff_frames_received += new->rx_xoffpauseframesreceived;
+ estats->control_frames_received += new->rx_maccontrolframesreceived;
+ estats->error_runt_packets_received += new->rx_etherstatsfragments;
+ estats->error_jabber_packets_received += new->rx_etherstatsjabbers;
+
+ UPDATE_EXTEND_STAT(rx_ifhcinbadoctets, stat_IfHCInBadOctets_hi,
+ stat_IfHCInBadOctets_lo);
+ UPDATE_EXTEND_STAT(tx_ifhcoutbadoctets, stat_IfHCOutBadOctets_hi,
+ stat_IfHCOutBadOctets_lo);
+ estats->stat_Dot3statsinternalmactransmiterrors +=
+ new->tx_dot3statsinternalmactransmiterrors;
+ estats->stat_Dot3StatsCarrierSenseErrors +=
+ new->rx_dot3statscarriersenseerrors;
+ estats->stat_Dot3StatsDeferredTransmissions +=
+ new->tx_dot3statsdeferredtransmissions;
+ estats->stat_FlowControlDone += new->tx_flowcontroldone;
+ estats->stat_XoffStateEntered += new->rx_xoffstateentered;
+}
+
+static int bnx2x_update_storm_stats(struct bnx2x *bp)
+{
+ struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats);
+ struct tstorm_common_stats *tstats = &stats->tstorm_common;
+ struct tstorm_per_client_stats *tclient =
+ &tstats->client_statistics[0];
+ struct tstorm_per_client_stats *old_tclient = &bp->old_tclient;
+ struct xstorm_common_stats *xstats = &stats->xstorm_common;
+ struct nig_stats *nstats = bnx2x_sp(bp, nig);
+ struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats);
+ u32 diff;
+
+ /* are DMAE stats valid? */
+ if (nstats->done != 0xffffffff) {
+ DP(BNX2X_MSG_STATS, "stats not updated by dmae\n");
+ return -1;
+ }
+
+ /* are storm stats valid? */
+ if (tstats->done.hi != 0xffffffff) {
+ DP(BNX2X_MSG_STATS, "stats not updated by tstorm\n");
+ return -2;
+ }
+ if (xstats->done.hi != 0xffffffff) {
+ DP(BNX2X_MSG_STATS, "stats not updated by xstorm\n");
+ return -3;
+ }
+
+ estats->total_bytes_received_hi = tclient->total_rcv_bytes.hi;
+ estats->total_bytes_received_lo = tclient->total_rcv_bytes.lo;
+
+ DIFF_64(estats->valid_bytes_received_hi, tclient->total_rcv_bytes.hi,
+ tclient->rcv_error_bytes.hi,
+ estats->valid_bytes_received_lo, tclient->total_rcv_bytes.lo,
+ tclient->rcv_error_bytes.lo);
+
+ UPDATE_EXTEND_TSTAT(rcv_unicast_pkts,
+ total_unicast_packets_received_hi,
+ total_unicast_packets_received_lo);
+ UPDATE_EXTEND_TSTAT(rcv_multicast_pkts,
+ total_multicast_packets_received_hi,
+ total_multicast_packets_received_lo);
+ UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts,
+ total_broadcast_packets_received_hi,
+ total_broadcast_packets_received_lo);
+
+ estats->frames_received_64_bytes = tstats->pkts_till_64B;
+ estats->frames_received_65_127_bytes = tstats->pkts_65_to_127B;
+ estats->frames_received_128_255_bytes = tstats->pkts_128_to_255B;
+ estats->frames_received_256_511_bytes = tstats->pkts_256_to_511B;
+ estats->frames_received_512_1023_bytes = tstats->pkts_512_to_1023B;
+ estats->frames_received_1024_1522_bytes = tstats->pkts_1024_to_1522B;
+ estats->frames_received_1523_9022_bytes = tstats->pkts_1523_to_9022B;
+
+ estats->x_total_sent_bytes_hi = xstats->total_sent_bytes.hi;
+ estats->x_total_sent_bytes_lo = xstats->total_sent_bytes.lo;
+ estats->x_total_sent_pkts = xstats->total_sent_pkts;
+
+ estats->t_rcv_unicast_bytes_hi = tclient->rcv_unicast_bytes.hi;
+ estats->t_rcv_unicast_bytes_lo = tclient->rcv_unicast_bytes.lo;
+ estats->t_rcv_broadcast_bytes_hi = tclient->rcv_broadcast_bytes.hi;
+ estats->t_rcv_broadcast_bytes_lo = tclient->rcv_broadcast_bytes.lo;
+ estats->t_rcv_multicast_bytes_hi = tclient->rcv_multicast_bytes.hi;
+ estats->t_rcv_multicast_bytes_lo = tclient->rcv_multicast_bytes.lo;
+ estats->t_total_rcv_pkt = tclient->total_rcv_pkts;
+
+ estats->no_buff_discard = tclient->no_buff_discard;
+ estats->errors_discard = tclient->errors_discard;
+ estats->ttl0_discard = tclient->ttl0_discard;
+ estats->mac_filter_discard = tstats->mac_filter_discard;
+ estats->xxoverflow_discard = tstats->xxoverflow_discard;
+
+ estats->brb_discard += nstats->brb_discard - bp->old_brb_discard;
+ bp->old_brb_discard = nstats->brb_discard;
+
+ estats->brb_packet = nstats->brb_packet;
+ estats->brb_truncate = nstats->brb_truncate;
+ estats->flow_ctrl_discard = nstats->flow_ctrl_discard;
+ estats->flow_ctrl_octets = nstats->flow_ctrl_octets;
+ estats->flow_ctrl_packet = nstats->flow_ctrl_packet;
+ estats->mng_discard = nstats->mng_discard;
+ estats->mng_octet_inp = nstats->mng_octet_inp;
+ estats->mng_octet_out = nstats->mng_octet_out;
+ estats->mng_packet_inp = nstats->mng_packet_inp;
+ estats->mng_packet_out = nstats->mng_packet_out;
+ estats->pbf_octets = nstats->pbf_octets;
+ estats->pbf_packet = nstats->pbf_packet;
+ estats->safc_inp = nstats->safc_inp;
+
+ xstats->done.hi = 0;
+ tstats->done.hi = 0;
+ nstats->done = 0;
+
+ return 0;
+}
+
+static void bnx2x_update_net_stats(struct bnx2x *bp)
+{
+ struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats);
+
+ bp->net_stats.rx_packets =
+ bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
+ bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
+ bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
+
+ bp->net_stats.tx_packets =
+ bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
+ bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
+ bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
+
+ bp->net_stats.rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi);
+
+ bp->net_stats.tx_bytes =
+ bnx2x_hilo(&estats->total_bytes_transmitted_hi);
+
+ bp->net_stats.rx_dropped = estats->no_buff_discard;
+ bp->net_stats.tx_dropped = 0;
+
+ bp->net_stats.multicast =
+ bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi);
+
+ bp->net_stats.collisions =
+ estats->single_collision_transmit_frames +
+ estats->multiple_collision_transmit_frames +
+ estats->late_collision_frames +
+ estats->excessive_collision_frames; /*TBD check this*/
+
+ bp->net_stats.rx_length_errors = estats->runt_packets_received +
+ estats->jabber_packets_received;
+ bp->net_stats.rx_over_errors = estats->no_buff_discard;
+ bp->net_stats.rx_crc_errors = estats->crc_receive_errors;
+ bp->net_stats.rx_frame_errors = estats->alignment_errors;
+ bp->net_stats.rx_fifo_errors = estats->brb_discard +
+ estats->errors_discard;
+ bp->net_stats.rx_missed_errors = estats->xxoverflow_discard;
+
+ bp->net_stats.rx_errors = bp->net_stats.rx_length_errors +
+ bp->net_stats.rx_over_errors +
+ bp->net_stats.rx_crc_errors +
+ bp->net_stats.rx_frame_errors +
+ bp->net_stats.rx_fifo_errors;
+
+ bp->net_stats.tx_aborted_errors = estats->late_collision_frames +
+ estats->excessive_collision_frames;
+ bp->net_stats.tx_carrier_errors = estats->false_carrier_detections;
+ bp->net_stats.tx_fifo_errors = 0;
+ bp->net_stats.tx_heartbeat_errors = 0;
+ bp->net_stats.tx_window_errors = 0;
+
+ bp->net_stats.tx_errors = bp->net_stats.tx_aborted_errors +
+ bp->net_stats.tx_carrier_errors;
+
+ estats->mac_stx_start = ++estats->mac_stx_end;
+}
+
+static void bnx2x_update_stats(struct bnx2x *bp)
+{
+ if (!bnx2x_update_storm_stats(bp)) {
+
+ if (bp->phy_flags & PHY_BMAC_FLAG) {
+ bnx2x_update_bmac_stats(bp);
+
+ } else if (bp->phy_flags & PHY_EMAC_FLAG) {
+ bnx2x_update_emac_stats(bp);
+
+ } else { /* unreached */
+ BNX2X_ERR("no MAC active\n");
+ return;
+ }
+
+ bnx2x_update_net_stats(bp);
+ }
+
+ if (bp->msglevel & NETIF_MSG_TIMER) {
+ printk(KERN_DEBUG "%s:\n"
+ KERN_DEBUG " tx avail (%4x) tx hc idx (%x)"
+ " tx pkt (%lx)\n"
+ KERN_DEBUG " rx usage (%4x) rx hc idx (%x)"
+ " rx pkt (%lx)\n"
+ KERN_DEBUG " %s (Xoff events %u) brb drops %u\n"
+ KERN_DEBUG " tstats: no_buff_discard %u"
+ " errors_discard %u mac_filter_discard %u"
+ " xxovrflow_discard %u ttl0_discard %u\n",
+ bp->dev->name, bnx2x_tx_avail(bp->fp),
+ *bp->fp->tx_cons_sb, bp->net_stats.tx_packets,
+ (u16)(*bp->fp->rx_cons_sb - bp->fp->rx_comp_cons),
+ *bp->fp->rx_cons_sb, bp->net_stats.rx_packets,
+ netif_queue_stopped(bp->dev)? "Xoff" : "Xon",
+ bp->slowpath->eth_stats.driver_xoff,
+ bp->slowpath->eth_stats.brb_discard,
+ bp->slowpath->eth_stats.no_buff_discard,
+ bp->slowpath->eth_stats.errors_discard,
+ bp->slowpath->eth_stats.mac_filter_discard,
+ bp->slowpath->eth_stats.xxoverflow_discard,
+ bp->slowpath->eth_stats.ttl0_discard);
+ }
+
+ if (bp->state != BNX2X_STATE_OPEN) {
+ DP(BNX2X_MSG_STATS, "state is %x, returning\n", bp->state);
+ return;
+ }
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic)) {
+ return;
+ }
+#endif
+
+ if (bp->fw_mb) {
+ REG_WR32(bp, GRCBASE_DMAE,
+ (bp->port ? DMAE_REGISTERS_GO_C13 :
+ DMAE_REGISTERS_GO_C12), 1);
+ }
+
+ if (bp->stats_state != STATS_STATE_ENABLE) {
+ bp->stats_state = STATS_STATE_DISABLE;
+ return;
+ }
+
+ if (bp->phy_flags & PHY_BMAC_FLAG) {
+ REG_WR32(bp, GRCBASE_DMAE,
+ (bp->port ? DMAE_REGISTERS_GO_C6 :
+ DMAE_REGISTERS_GO_C0), 1);
+
+ } else if (bp->phy_flags & PHY_EMAC_FLAG) {
+ REG_WR32(bp, GRCBASE_DMAE,
+ (bp->port ? DMAE_REGISTERS_GO_C8 :
+ DMAE_REGISTERS_GO_C2), 1);
+ }
+
+ if (bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0, 0, 0, 0) == 0) {
+ /* stats ramrod has it's own slot on the spe */
+ bp->spq_left++;
+ bp->stat_pending = 1;
+ }
+}
+
+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)
+ goto bnx2x_restart_timer;
+
+ if (poll) {
+ struct bnx2x_fastpath *fp = &bp->fp[0];
+ int rc;
+
+ bnx2x_tx_int(fp, 1000);
+ rc = bnx2x_rx_int(fp, 1000);
+ }
+
+ if (!nomcp && (bp->bc_ver >= 0x040003)) {
+ int port = bp->port;
+ 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;
+ SHMEM_WR(bp, drv_fw_mb[port].drv_pulse_mb, drv_pulse);
+
+ mcp_pulse = (SHMEM_RD(bp, drv_fw_mb[port].mcp_pulse_mb) &
+ 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))) {
+ BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
+ drv_pulse, mcp_pulse);
+ }
+ }
+
+ if (bp->stats_state == STATS_STATE_DISABLE)
+ goto bnx2x_restart_timer;
+
+ bnx2x_update_stats(bp);
+
+bnx2x_restart_timer:
+ mod_timer(&bp->timer, jiffies + bp->current_interval);
+}
+
+/* end of Statistics */
+
+/* nic init */
+
+/****************************************************************************
+* nic init service functions
+****************************************************************************/
+
+static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb,
+ dma_addr_t mapping, int id)
+{
+ int port = bp->port;
+ u64 section;
+ int index;
+
+ /* USTORM */
+ section = ((u64)mapping) + offsetof(struct host_status_block,
+ u_status_block);
+ sb->u_status_block.status_block_id = id;
+
+ REG_WR32(bp, BAR_USTRORM_INTMEM,
+ USTORM_SB_HOST_SB_ADDR_OFFSET(port, id), U64_LO(section));
+ REG_WR32(bp, BAR_USTRORM_INTMEM,
+ ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, id)) + 4),
+ U64_HI(section));
+
+ for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++) {
+ REG_WR16(bp, BAR_USTRORM_INTMEM,
+ USTORM_SB_HC_DISABLE_OFFSET(port, id, index), 0x1);
+ }
+
+ /* CSTORM */
+ section = ((u64)mapping) + offsetof(struct host_status_block,
+ c_status_block);
+ sb->c_status_block.status_block_id = id;
+
+ REG_WR32(bp, BAR_CSTRORM_INTMEM,
+ CSTORM_SB_HOST_SB_ADDR_OFFSET(port, id), U64_LO(section));
+ REG_WR32(bp, BAR_CSTRORM_INTMEM,
+ ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, id)) + 4),
+ U64_HI(section));
+
+ for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++) {
+ REG_WR16(bp, BAR_CSTRORM_INTMEM,
+ CSTORM_SB_HC_DISABLE_OFFSET(port, id, index), 0x1);
+ }
+
+ bnx2x_ack_sb(bp, id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
+}
+
+static void bnx2x_init_def_sb(struct bnx2x *bp,
+ struct host_def_status_block *def_sb,
+ dma_addr_t mapping, int id)
+{
+ int port = bp->port;
+ int index, val, reg_offset;
+ u64 section;
+
+ /* ATTN */
+ section = ((u64)mapping) + offsetof(struct host_def_status_block,
+ atten_status_block);
+ def_sb->atten_status_block.status_block_id = id;
+
+ reg_offset = (port ? MISC_REGISTERS_AEU_ENABLE1_FUNC_1_OUT_0 :
+ MISC_REGISTERS_AEU_ENABLE1_FUNC_0_OUT_0);
+
+ for (index = 0; index < 3; index++) {
+ bp->attn_group[index].sig[0] =
+ REG_RD(bp, GRCBASE_MISC_AEU, reg_offset + 0x10*index);
+ bp->attn_group[index].sig[1] =
+ REG_RD(bp, GRCBASE_MISC_AEU,
+ reg_offset + 0x4 + 0x10*index);
+ bp->attn_group[index].sig[2] =
+ REG_RD(bp, GRCBASE_MISC_AEU,
+ reg_offset + 0x8 + 0x10*index);
+ bp->attn_group[index].sig[3] =
+ REG_RD(bp, GRCBASE_MISC_AEU,
+ reg_offset + 0xc + 0x10*index);
+ }
+
+ bp->aeu_mask = REG_RD(bp, GRCBASE_MISC_AEU,
+ (port ? MISC_REGISTERS_AEU_MASK_ATTN_FUNC_1 :
+ MISC_REGISTERS_AEU_MASK_ATTN_FUNC_0));
+
+ reg_offset = (port ? HC_REGISTERS_ATTN_MSG1_ADDR_L :
+ HC_REGISTERS_ATTN_MSG0_ADDR_L);
+
+ REG_WR(bp, GRCBASE_HC, reg_offset, U64_LO(section));
+ REG_WR(bp, GRCBASE_HC, reg_offset + 4, U64_HI(section));
+
+ reg_offset = (port ? HC_REGISTERS_ATTN_NUM_P1 :
+ HC_REGISTERS_ATTN_NUM_P0);
+
+ val = REG_RD(bp, GRCBASE_HC, reg_offset);
+ val |= id;
+ REG_WR(bp, GRCBASE_HC, reg_offset, val);
+
+ /* USTORM */
+ section = ((u64)mapping) + offsetof(struct host_def_status_block,
+ u_def_status_block);
+ def_sb->u_def_status_block.status_block_id = id;
+
+ REG_WR32(bp, BAR_USTRORM_INTMEM,
+ USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section));
+ REG_WR32(bp, BAR_USTRORM_INTMEM,
+ ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4),
+ U64_HI(section));
+ REG_WR32(bp, BAR_USTRORM_INTMEM,
+ USTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
+
+ for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++) {
+ REG_WR16(bp, BAR_USTRORM_INTMEM,
+ USTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1);
+ }
+
+ /* CSTORM */
+ section = ((u64)mapping) + offsetof(struct host_def_status_block,
+ c_def_status_block);
+ def_sb->c_def_status_block.status_block_id = id;
+
+ REG_WR32(bp, BAR_CSTRORM_INTMEM,
+ CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section));
+ REG_WR32(bp, BAR_CSTRORM_INTMEM,
+ ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4),
+ U64_HI(section));
+ REG_WR32(bp, BAR_CSTRORM_INTMEM,
+ CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
+
+ for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++) {
+ REG_WR16(bp, BAR_CSTRORM_INTMEM,
+ CSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1);
+ }
+
+ /* TSTORM */
+ section = ((u64)mapping) + offsetof(struct host_def_status_block,
+ t_def_status_block);
+ def_sb->t_def_status_block.status_block_id = id;
+
+ REG_WR32(bp, BAR_TSTRORM_INTMEM,
+ TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section));
+ REG_WR32(bp, BAR_TSTRORM_INTMEM,
+ ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4),
+ U64_HI(section));
+ REG_WR32(bp, BAR_TSTRORM_INTMEM,
+ TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
+
+ for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++) {
+ REG_WR16(bp, BAR_TSTRORM_INTMEM,
+ TSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1);
+ }
+
+ /* XSTORM */
+ section = ((u64)mapping) + offsetof(struct host_def_status_block,
+ x_def_status_block);
+ def_sb->x_def_status_block.status_block_id = id;
+
+ REG_WR32(bp, BAR_XSTRORM_INTMEM,
+ XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section));
+ REG_WR32(bp, BAR_XSTRORM_INTMEM,
+ ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4),
+ U64_HI(section));
+ REG_WR32(bp, BAR_XSTRORM_INTMEM,
+ XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR);
+
+ for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++) {
+ REG_WR16(bp, BAR_XSTRORM_INTMEM,
+ XSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index), 0x1);
+ }
+
+ bnx2x_ack_sb(bp, id, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
+}
+
+static void bnx2x_update_coalesce(struct bnx2x *bp)
+{
+ int port = bp->port;
+ int i;
+
+ for_each_queue(bp, i) {
+ /* TBD index need to be changed on BE machines! */
+
+ /* HC_INDEX_U_ETH_RX_CQ_CONS */
+ REG_WR8(bp, BAR_USTRORM_INTMEM,
+ USTORM_SB_HC_TIMEOUT_OFFSET(port, i,
+ HC_INDEX_U_ETH_RX_CQ_CONS),
+ bp->rx_ticks_int/12);
+ REG_WR16(bp, BAR_USTRORM_INTMEM,
+ USTORM_SB_HC_DISABLE_OFFSET(port, i,
+ HC_INDEX_U_ETH_RX_CQ_CONS),
+ bp->rx_ticks_int ? 0 : 1);
+
+ /* HC_INDEX_C_ETH_TX_CQ_CONS */
+ REG_WR8(bp, BAR_CSTRORM_INTMEM,
+ CSTORM_SB_HC_TIMEOUT_OFFSET(port, i,
+ HC_INDEX_C_ETH_TX_CQ_CONS),
+ bp->tx_ticks_int/12);
+ REG_WR16(bp, BAR_CSTRORM_INTMEM,
+ CSTORM_SB_HC_DISABLE_OFFSET(port, i,
+ HC_INDEX_C_ETH_TX_CQ_CONS),
+ bp->tx_ticks_int ? 0 : 1);
+ }
+ /* TBD Dynamic HC? */
+}
+
+static void bnx2x_init_rx_rings(struct bnx2x *bp)
+{
+ u16 ring_prod;
+ int i, j;
+ int port = bp->port;
+
+ /* 8 for CRC and VLAN */
+ bp->rx_buf_use_size = bp->dev->mtu + ETH_HLEN + bp->rx_offset + 8;
+ /* 64 for alignment TBD check */
+ bp->rx_buf_size = bp->rx_buf_use_size + 64;
+
+ for_each_queue(bp, j) {
+ struct bnx2x_fastpath *fp = &bp->fp[j];
+
+#ifdef BNX2X_STOP_ON_ERROR
+ fp->last_alloc = fp->next_free = 0;
+#endif
+ fp->rx_bd_cons = 0;
+ fp->rx_cons_sb = BNX2X_RX_SB_INDEX;
+
+ for (i = 1; i <= NUM_RX_RINGS; i++) {
+
+ struct eth_rx_bd *nextbd;
+
+ nextbd = &fp->rx_desc_ring[RX_DESC_CNT * i - 1];
+ nextbd->addr_hi =
+ U64_HI(fp->rx_desc_mapping +
+ BCM_PAGE_SIZE*(i % NUM_RX_RINGS));
+ nextbd->addr_lo =
+ U64_LO(fp->rx_desc_mapping +
+ BCM_PAGE_SIZE*(i % NUM_RX_RINGS));
+
+ nextbd = (struct eth_rx_bd *)
+ &fp->rx_comp_ring[RX_DESC_CNT * i - 1];
+ nextbd->addr_hi =
+ U64_HI(fp->rx_comp_mapping +
+ BCM_PAGE_SIZE*(i % NUM_RX_RINGS));
+ nextbd->addr_lo =
+ U64_LO(fp->rx_comp_mapping +
+ BCM_PAGE_SIZE*(i % NUM_RX_RINGS));
+ }
+
+ /* rx completion queue */
+ fp->rx_comp_cons = ring_prod = 0;
+
+ for (i = 0; i < bp->rx_ring_size; i++) {
+ if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) {
+ BNX2X_ERR("was only able to allocate "
+ "%d rx skbs\n", i);
+ break;
+ }
+ ring_prod = NEXT_RX_IDX(ring_prod);
+ BUG_TRAP(ring_prod > i);
+ }
+
+ fp->rx_bd_prod = fp->rx_comp_prod = ring_prod;
+ fp->rx_pkt = fp->rx_calls = 0;
+
+ /* Warning! this will genrate an interrupt (to the TSTORM) */
+ /* must only be done when chip is initialized */
+ REG_WR(bp, BAR_TSTRORM_INTMEM,
+ TSTORM_RCQ_PROD_OFFSET(port, j), ring_prod);
+ if (j != 0)
+ continue;
+
+ REG_WR(bp, BAR_USTRORM_INTMEM,
+ USTORM_MEM_WORKAROUND_ADDRESS_OFFSET,
+ U64_LO(fp->rx_comp_mapping));
+ REG_WR(bp, BAR_USTRORM_INTMEM,
+ USTORM_MEM_WORKAROUND_ADDRESS_OFFSET + 4,
+ U64_HI(fp->rx_comp_mapping));
+ }
+}
+
+static void bnx2x_init_tx_ring(struct bnx2x *bp)
+{
+ int i, j;
+
+ for_each_queue(bp, j) {
+ struct bnx2x_fastpath *fp = &bp->fp[j];
+
+ for (i = 1; i <= NUM_TX_RINGS; i++) {
+ struct eth_tx_bd *nextbd =
+ &fp->tx_desc_ring[TX_DESC_CNT * i - 1];
+
+ nextbd->addr_hi =
+ U64_HI(fp->tx_desc_mapping +
+ BCM_PAGE_SIZE*(i % NUM_TX_RINGS));
+ nextbd->addr_lo =
+ U64_LO(fp->tx_desc_mapping +
+ BCM_PAGE_SIZE*(i % NUM_TX_RINGS));
+ }
+
+ fp->tx_pkt_prod = 0;
+ fp->tx_pkt_cons = 0;
+ fp->tx_bd_prod = 0;
+ fp->tx_bd_cons = 0;
+ fp->tx_cons_sb = BNX2X_TX_SB_INDEX;
+ fp->tx_pkt = 0;
+ }
+}
+
+static void bnx2x_init_sp_ring(struct bnx2x *bp)
+{
+ int port = bp->port;
+
+ spin_lock_init(&bp->spq_lock);
+
+ bp->spq_left = MAX_SPQ_PENDING;
+ bp->spq_con_idx = 0;
+ bp->spq_hw_con = BNX2X_SPQ_SB_INDEX;
+ 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;
+ bp->spq_prod_idx = 0;
+
+ REG_WR32(bp, BAR_XSTRORM_INTMEM,
+ XSTORM_SPQ_PAGE_BASE_OFFSET(port) + 4,
+ U64_HI(bp->spq_mapping));
+ REG_WR32(bp, BAR_XSTRORM_INTMEM, XSTORM_SPQ_PAGE_BASE_OFFSET(port),
+ U64_LO(bp->spq_mapping));
+
+ REG_WR(bp, GRCBASE_XSEM, XSEM_REGISTERS_FAST_MEMORY +
+ XSTORM_SPQ_PROD_OFFSET(port), bp->spq_prod_idx);
+}
+
+static void bnx2x_init_context(struct bnx2x *bp)
+{
+ int i;
+
+ for_each_queue(bp, i) {
+ struct eth_context *context = bnx2x_sp(bp, context[i].eth);
+ struct bnx2x_fastpath *fp = &bp->fp[i];
+
+ context->xstorm_st_context.tx_bd_page_base_hi =
+ U64_HI(fp->tx_desc_mapping);
+ context->xstorm_st_context.tx_bd_page_base_lo =
+ U64_LO(fp->tx_desc_mapping);
+ context->xstorm_st_context.db_data_addr_hi =
+ U64_HI(fp->tx_prods_mapping);
+ context->xstorm_st_context.db_data_addr_lo =
+ U64_LO(fp->tx_prods_mapping);
+
+ context->ustorm_st_context.rx_bd_page_base_hi =
+ U64_HI(fp->rx_desc_mapping);
+ context->ustorm_st_context.rx_bd_page_base_lo =
+ U64_LO(fp->rx_desc_mapping);
+ context->ustorm_st_context.status_block_id = i;
+ context->ustorm_st_context.sb_index_number =
+ HC_INDEX_U_ETH_RX_CQ_CONS;
+ context->ustorm_st_context.rcq_base_address_hi =
+ U64_HI(fp->rx_comp_mapping);
+ context->ustorm_st_context.rcq_base_address_lo =
+ U64_LO(fp->rx_comp_mapping);
+ context->ustorm_st_context.flags =
+ USTORM_ETH_ST_CONTEXT_ENABLE_MC_ALIGNMENT;
+ context->ustorm_st_context.mc_alignment_size = 64;
+
+ /* TBD get the optimal value from the ARCH */
+ context->cstorm_st_context.sb_index_number =
+ HC_INDEX_C_ETH_TX_CQ_CONS;
+ context->cstorm_st_context.status_block_id = i;
+
+ context->xstorm_ag_context.cdu_reserved =
+ CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
+ CDU_REGION_NUMBER_XCM_AG,
+ ETH_CONNECTION_TYPE);
+ context->ustorm_ag_context.cdu_usage =
+ CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i),
+ CDU_REGION_NUMBER_UCM_AG,
+ ETH_CONNECTION_TYPE);
+ }
+}
+
+static void bnx2x_set_storm_rx_mode(struct bnx2x *bp)
+{
+ int mode = bp->rx_mode;
+ int port = bp->port;
+ struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0};
+ int i;
+
+ DP(NETIF_MSG_RX_STATUS, "rx mode is %d\n", mode);
+
+ switch (mode) {
+ case BNX2X_RX_MODE_NONE: /* no Rx */
+ tstorm_mac_filter.ucast_drop_all = 1;
+ tstorm_mac_filter.mcast_drop_all = 1;
+ tstorm_mac_filter.bcast_drop_all = 1;
+ break;
+ case BNX2X_RX_MODE_NORMAL:
+ tstorm_mac_filter.bcast_accept_all = 1;
+ break;
+ case BNX2X_RX_MODE_ALLMULTI:
+ tstorm_mac_filter.mcast_accept_all = 1;
+ tstorm_mac_filter.bcast_accept_all = 1;
+ break;
+ case BNX2X_RX_MODE_PROMISC:
+ tstorm_mac_filter.ucast_accept_all = 1;
+ tstorm_mac_filter.mcast_accept_all = 1;
+ tstorm_mac_filter.bcast_accept_all = 1;
+ break;
+ default:
+ BNX2X_ERR("bad rx mode (%d)\n", mode);
+ }
+
+ for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) {
+ REG_WR32(bp, BAR_TSTRORM_INTMEM,
+ TSTORM_MAC_FILTER_CONFIG_OFFSET(port) + i * 4,
+ ((u32 *)&tstorm_mac_filter)[i]);
+
+/* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i,
+ ((u32 *)&tstorm_mac_filter)[i]); */
+ }
+}
+
+static void bnx2x_set_client_config(struct bnx2x *bp, int client_id)
+{
+#ifdef BCM_VLAN
+ int mode = bp->rx_mode;
+#endif
+ int port = bp->port;
+ struct tstorm_eth_client_config tstorm_client = {0};
+
+ tstorm_client.max_buffer_size = bp->rx_buf_use_size;
+ tstorm_client.statistics_counter_id = 0;
+ tstorm_client.config_flags =
+ TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE;
+#ifdef BCM_VLAN
+ if (mode && bp->vlgrp) {
+ tstorm_client.config_flags |=
+ TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE;
+ DP(NETIF_MSG_RX_STATUS, "vlan removal enabled\n");
+ }
+#else
+/* TBD tstorm_client.config_flags |= */
+/* TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE; */
+#endif
+ tstorm_client.drop_flags = (TSTORM_ETH_CLIENT_CONFIG_DROP_IP_CS_ERR |
+ TSTORM_ETH_CLIENT_CONFIG_DROP_TCP_CS_ERR |
+ TSTORM_ETH_CLIENT_CONFIG_DROP_UDP_CS_ERR |
+ TSTORM_ETH_CLIENT_CONFIG_DROP_MAC_ERR);
+
+ REG_WR32(bp, BAR_TSTRORM_INTMEM,
+ TSTORM_CLIENT_CONFIG_OFFSET(port, client_id),
+ ((u32 *)&tstorm_client)[0]);
+ REG_WR32(bp, BAR_TSTRORM_INTMEM,
+ TSTORM_CLIENT_CONFIG_OFFSET(port, client_id) + 4,
+ ((u32 *)&tstorm_client)[1]);
+
+/* DP(NETIF_MSG_IFUP, "tstorm_client: 0x%08x 0x%08x\n",
+ ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]); */
+}
+
+static void bnx2x_init_internal(struct bnx2x *bp)
+{
+ int port = bp->port;
+ struct tstorm_eth_port_common_config tstorm_port_config = {0};
+ struct stats_indication_flags stats_flags = {0};
+ int i;
+
+ tstorm_port_config.config_flags = 0;
+ tstorm_port_config.rss_result_mask = 0;
+ tstorm_port_config.leading_client_id = 0;
+
+ REG_WR32(bp, BAR_TSTRORM_INTMEM,
+ TSTORM_PORT_COMMON_CONFIG_OFFSET(port),
+ (*(u32 *)&tstorm_port_config));
+
+/* DP(NETIF_MSG_IFUP, "tstorm_port_config: 0x%08x\n",
+ (*(u32 *)&tstorm_port_config)); */
+
+ bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx untill link is up */
+ bnx2x_set_storm_rx_mode(bp);
+
+ for_each_queue(bp, i) {
+ bnx2x_set_client_config(bp, i);
+ }
+
+ stats_flags.collect_eth = 1;
+
+ REG_WR32(bp, BAR_XSTRORM_INTMEM, XSTORM_STATS_FLAGS_OFFSET(port),
+ ((u32 *)&stats_flags)[0]);
+ REG_WR32(bp, BAR_XSTRORM_INTMEM, XSTORM_STATS_FLAGS_OFFSET(port) + 4,
+ ((u32 *)&stats_flags)[1]);
+
+ REG_WR32(bp, BAR_TSTRORM_INTMEM, TSTORM_STATS_FLAGS_OFFSET(port),
+ ((u32 *)&stats_flags)[0]);
+ REG_WR32(bp, BAR_TSTRORM_INTMEM, TSTORM_STATS_FLAGS_OFFSET(port) + 4,
+ ((u32 *)&stats_flags)[1]);
+
+ REG_WR32(bp, BAR_CSTRORM_INTMEM, CSTORM_STATS_FLAGS_OFFSET(port),
+ ((u32 *)&stats_flags)[0]);
+ REG_WR32(bp, BAR_CSTRORM_INTMEM, CSTORM_STATS_FLAGS_OFFSET(port) + 4,
+ ((u32 *)&stats_flags)[1]);
+
+/* DP(NETIF_MSG_IFUP, "stats_flags: 0x%08x 0x%08x\n",
+ ((u32 *)&stats_flags)[0], ((u32 *)&stats_flags)[1]); */
+}
+
+static int bnx2x_nic_init(struct bnx2x *bp)
+{
+ int i, rc = 0;
+
+ for_each_queue(bp, i) {
+ struct bnx2x_fastpath *fp = &bp->fp[i];
+
+ fp->state = BNX2X_FP_STATE_CLOSED;
+ DP(NETIF_MSG_IFUP, "bnx2x_init_sb(%p,%p,%d);\n",
+ bp, fp->status_blk, i);
+ fp->index = i;
+ bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping, i);
+ }
+
+ bnx2x_init_def_sb(bp, bp->def_status_blk,
+ bp->def_status_blk_mapping, 0x10);
+ bnx2x_update_coalesce(bp);
+ bnx2x_init_rx_rings(bp);
+ bnx2x_init_tx_ring(bp);
+ bnx2x_init_sp_ring(bp);
+ bnx2x_init_context(bp);
+ bnx2x_init_internal(bp);
+ bnx2x_init_stats(bp);
+ bnx2x_enable_int(bp);
+
+ return rc;
+}
+
+/* end of nic init */
+
+/****************************************************************************
+* gzip service functions
+****************************************************************************/
+
+static int bnx2x_gunzip_init(struct bnx2x *bp)
+{
+ bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
+ &bp->gunzip_mapping);
+ 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:
+ pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
+ bp->gunzip_mapping);
+ bp->gunzip_buf = NULL;
+
+gunzip_nomem1:
+ printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for"
+ " uncompression\n", bp->dev->name);
+ return -ENOMEM;
+}
+
+static void bnx2x_gunzip_end(struct bnx2x *bp)
+{
+ kfree(bp->strm->workspace);
+
+ kfree(bp->strm);
+ bp->strm = NULL;
+
+ if (bp->gunzip_buf) {
+ pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
+ bp->gunzip_mapping);
+ bp->gunzip_buf = NULL;
+ }
+}
+
+static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len)
+{
+ int n, rc;
+
+ /* check gzip header */
+ if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED))
+ return -EINVAL;
+
+ n = 10;
+
+#define FNAME 0x8
+
+ if (zbuf[3] & FNAME)
+ while ((zbuf[n++] != 0) && (n < len));
+
+ bp->strm->next_in = zbuf + n;
+ 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);
+
+ bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out) >> 2;
+
+ if ((rc != Z_OK) && (rc != Z_STREAM_END))
+ printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n",
+ bp->dev->name, bp->strm->msg);
+
+ zlib_inflateEnd(bp->strm);
+
+ if (rc == Z_STREAM_END)
+ return 0;
+
+ return rc;
+}
+
+/* nic load/unload */
+
+/****************************************************************************
+* General service functions
+****************************************************************************/
+
+/* cause the NIG to send a loopback debug packet */
+static void bnx2x_lb_pckt(struct bnx2x *bp)
+{
+#ifdef USE_DMAE
+ u32 wb_write[3];
+#endif
+
+ /* Ethernet source and destination addresses */
+#ifdef USE_DMAE
+ wb_write[0] = 0x55555555;
+ wb_write[1] = 0x55555555;
+ wb_write[2] = 0x20; /* SOP */
+ REG_WR_DMAE(bp, GRCBASE_NIG,
+ NIG_REGISTERS_DEBUG_PACKET_LB, wb_write, 3);
+#else
+ REG_WR_IND(bp, GRCBASE_NIG,
+ NIG_REGISTERS_DEBUG_PACKET_LB, 0x55555555);
+ REG_WR_IND(bp, GRCBASE_NIG,
+ NIG_REGISTERS_DEBUG_PACKET_LB + 4, 0x55555555);
+ /* SOP */
+ REG_WR_IND(bp, GRCBASE_NIG, NIG_REGISTERS_DEBUG_PACKET_LB + 8, 0x20);
+#endif
+
+ /* NON-IP protocol */
+#ifdef USE_DMAE
+ wb_write[0] = 0x09000000;
+ wb_write[1] = 0x55555555;
+ wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */
+ REG_WR_DMAE(bp, GRCBASE_NIG,
+ NIG_REGISTERS_DEBUG_PACKET_LB, wb_write, 3);
+#else
+ REG_WR_IND(bp, GRCBASE_NIG,
+ NIG_REGISTERS_DEBUG_PACKET_LB, 0x09000000);
+ REG_WR_IND(bp, GRCBASE_NIG,
+ NIG_REGISTERS_DEBUG_PACKET_LB + 4, 0x55555555);
+ /* EOP, eop_bvalid = 0 */
+ REG_WR_IND(bp, GRCBASE_NIG, NIG_REGISTERS_DEBUG_PACKET_LB + 8, 0x10);
+#endif
+}
+
+/* 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)
+{
+ u32 val;
+ u32 count;
+ u8 hw;
+ u8 port;
+ u8 i;
+ u32 factor;
+
+ switch (CHIP_REV(bp)) {
+ case CHIP_REV_EMUL:
+ hw = INIT_EMULATION;
+ factor = 200;
+ break;
+ case CHIP_REV_FPGA:
+ hw = INIT_FPGA;
+ factor = 120;
+ break;
+ default:
+ hw = INIT_ASIC;
+ factor = 1;
+ break;
+ }
+
+ port = PORT0 << bp->port;
+
+ DP(NETIF_MSG_HW, "mem_wrk start part1\n");
+
+ /* Disable inputs of parser neighbor blocks */
+ REG_WR(bp, GRCBASE_TSDM, TSDM_REGISTERS_ENABLE_IN1, 0x0);
+ REG_WR(bp, GRCBASE_TCM, TCM_REGISTERS_PRS_IFEN, 0x0);
+ REG_WR(bp, GRCBASE_CFC, CFC_REGISTERS_DEBUG0, 0x1);
+ NIG_WR(NIG_REGISTERS_PRS_REQ_IN_EN, 0x0);
+
+ /* Write 0 to parser credits for CFC search request */
+ REG_WR(bp, GRCBASE_PRS, PRS_REGISTERS_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;
+ while (count) {
+#ifdef BNX2X_DMAE_RD
+ bnx2x_read_dmae(bp,
+ (GRCBASE_NIG + NIG_REGISTERS_STAT2_BRB_OCTET), 2);
+ val = *bnx2x_sp(bp, wb_data[0]);
+#else
+ val = REG_RD(bp, GRCBASE_NIG, NIG_REGISTERS_STAT2_BRB_OCTET);
+ REG_RD(bp, GRCBASE_NIG, NIG_REGISTERS_STAT2_BRB_OCTET + 4);
+#endif
+ if (val == 0x10) {
+ break;
+ }
+ msleep(10 * factor);
+ count--;
+ }
+ if (val != 0x10) {
+ BNX2X_ERR("NIG timeout val = 0x%x\n", val);
+ return -1;
+ }
+
+ /* Wait until PRS register shows 1 packet */
+ count = 1000;
+ while (count) {
+ val = REG_RD(bp, GRCBASE_PRS, PRS_REGISTERS_NUM_OF_PACKETS);
+
+ if (val == 0x1) {
+ break;
+ }
+ msleep(10 * factor);
+ count--;
+ }
+ if (val != 0x1) {
+ BNX2X_ERR("PRS timeout val = 0x%x\n", val);
+ return -2;
+ }
+
+ /* Reset and init BRB, PRS */
+ REG_WR(bp, GRCBASE_MISC, MISC_REGISTERS_RESET_REG_1_CLEAR, 0x3);
+ msleep(50);
+ REG_WR(bp, GRCBASE_MISC, MISC_REGISTERS_RESET_REG_1_SET, 0x3);
+ msleep(50);
+ bnx2x_init_stage(bp, BLCNUM_BRB1, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_PRS, COMMON);
+
+ DP(NETIF_MSG_HW, "part2\n");
+
+ /* Disable inputs of parser neighbor blocks */
+ REG_WR(bp, GRCBASE_TSDM, TSDM_REGISTERS_ENABLE_IN1, 0x0);
+ REG_WR(bp, GRCBASE_TCM, TCM_REGISTERS_PRS_IFEN, 0x0);
+ REG_WR(bp, GRCBASE_CFC, CFC_REGISTERS_DEBUG0, 0x1);
+ NIG_WR(NIG_REGISTERS_PRS_REQ_IN_EN, 0x0);
+
+ /* Write 0 to parser credits for CFC search request */
+ REG_WR(bp, GRCBASE_PRS, PRS_REGISTERS_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;
+ while (count) {
+#ifdef BNX2X_DMAE_RD
+ bnx2x_read_dmae(bp,
+ (GRCBASE_NIG + NIG_REGISTERS_STAT2_BRB_OCTET), 2);
+ val = *bnx2x_sp(bp, wb_data[0]);
+#else
+ val = REG_RD(bp, GRCBASE_NIG, NIG_REGISTERS_STAT2_BRB_OCTET);
+ REG_RD(bp, GRCBASE_NIG, NIG_REGISTERS_STAT2_BRB_OCTET + 4);
+#endif
+ if (val == 0xb0) {
+ break;
+ }
+ msleep(10 * factor);
+ count--;
+ }
+ if (val != 0xb0) {
+ BNX2X_ERR("NIG timeout val = 0x%x\n", val);
+ return -3;
+ }
+
+ /* Wait until PRS register shows 2 packet */
+ val = REG_RD(bp, GRCBASE_PRS, PRS_REGISTERS_NUM_OF_PACKETS);
+
+ if (val != 0x2) {
+ BNX2X_ERR("PRS timeout val = 0x%x\n", val);
+ }
+
+ /* Write 1 to parser credits for CFC search request */
+ REG_WR(bp, GRCBASE_PRS, PRS_REGISTERS_CFC_SEARCH_INITIAL_CREDIT, 0x1);
+
+ /* Wait until PRS register shows 3 packet */
+ msleep(10 * factor);
+ /* Wait until NIG register shows 1 packet of size 0x10 */
+ val = REG_RD(bp, GRCBASE_PRS, PRS_REGISTERS_NUM_OF_PACKETS);
+
+ if (val != 0x3) {
+ BNX2X_ERR("PRS timeout val = 0x%x\n", val);
+ }
+ /* clear NIG EOP FIFO */
+ for (i = 0; i < 11; i++) {
+ REG_RD(bp, GRCBASE_NIG, NIG_REGISTERS_INGRESS_EOP_LB_FIFO);
+ }
+ val = REG_RD(bp, GRCBASE_NIG, NIG_REGISTERS_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);
+ bnx2x_init_stage(bp, BLCNUM_BRB1, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_PRS, COMMON);
+#ifndef BCM_ISCSI
+ /* set NIC mode */
+ REG_WR(bp, GRCBASE_PRS, PRS_REGISTERS_NIC_MODE, 1);
+#endif
+
+ /* Enable inputs of parser neighbor blocks */
+ REG_WR(bp, GRCBASE_TSDM, TSDM_REGISTERS_ENABLE_IN1, 0x7fffffff);
+ REG_WR(bp, GRCBASE_TCM, TCM_REGISTERS_PRS_IFEN, 0x1);
+ REG_WR(bp, GRCBASE_CFC, CFC_REGISTERS_DEBUG0, 0x0);
+ NIG_WR(NIG_REGISTERS_PRS_REQ_IN_EN, 0x1);
+
+ DP(NETIF_MSG_HW, "done\n");
+
+ return 0; /* OK */
+}
+
+static int bnx2x_function_init(struct bnx2x *bp, int mode)
+{
+ int val, i;
+ u16 j, r_order, w_order;
+ int func = bp->port;
+ int port = func ? PORT1 : PORT0;
+#ifdef USE_DMAE
+ u32 wb_write[2];
+#endif
+
+ DP(BNX2X_MSG_MCP, "function is %d mode is %x\n", func, mode);
+ if ((func != 0) && (func != 1)) {
+ BNX2X_ERR("BAD function number (%d)\n", func);
+ return -ENODEV;
+ }
+
+ bnx2x_gunzip_init(bp);
+
+ if (mode & 0x1) { /* init common */
+ DP(BNX2X_MSG_MCP, "starting common init func %d mode %x\n",
+ func, mode);
+ REG_WR(bp, GRCBASE_MISC,
+ MISC_REGISTERS_RESET_REG_1, 0xffffffff);
+ REG_WR(bp, GRCBASE_MISC, MISC_REGISTERS_RESET_REG_2, 0xfffc);
+ bnx2x_init_stage(bp, BLCNUM_MISC, COMMON);
+
+ REG_WR(bp, GRCBASE_MISC,
+ MISC_REGISTERS_LCPLL_CTRL_REG_2, 0x100);
+ msleep(30);
+ REG_WR(bp, GRCBASE_MISC,
+ MISC_REGISTERS_LCPLL_CTRL_REG_2, 0x0);
+
+ bnx2x_init_stage(bp, BLCNUM_PXP, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_PXP2, COMMON);
+
+ pci_read_config_word(bp->pdev,
+ bp->pcie_cap + PCI_EXP_DEVCTL, &j);
+ DP(NETIF_MSG_HW, "read %x from devctl\n", j);
+ w_order = ((j & PCI_EXP_DEVCTL_PAYLOAD) >> 5); /* 0x0x00e0 */
+ r_order = ((j & PCI_EXP_DEVCTL_READRQ) >> 12); /* 0x7000 */
+
+ bnx2x_init_pxp(bp, r_order, w_order);
+
+ if (CHIP_REV(bp) == CHIP_REV_Ax) {
+ /* enable hw interrupt from PXP on usdm
+ overflow bit 16 on INT_MASK_0 */
+ REG_WR(bp, GRCBASE_PXP,
+ PXP_REGISTERS_PXP_INT_MASK_0, 0);
+ }
+
+#ifdef __BIG_ENDIAN
+#warning big endian driver being compiled
+ REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_QM_ENDIAN_M, 1);
+/* REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_TM_ENDIAN_M, 1); */
+/* REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_SRC_ENDIAN_M, 1); */
+ REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_CDU_ENDIAN_M, 1);
+ REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_DBG_ENDIAN_M, 1);
+ REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_HC_ENDIAN_M, 1);
+
+/* REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RD_PBF_SWAP_MODE, 1); */
+ REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RD_QM_SWAP_MODE, 1);
+/* REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RD_TM_SWAP_MODE, 1); */
+/* REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RD_SRC_SWAP_MODE, 1); */
+ REG_WR(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_RD_CDURD_SWAP_MODE, 1);
+#endif /* BIG_ENDIAN */
+
+#ifndef BCM_ISCSI
+ /* set NIC mode */
+ REG_WR(bp, GRCBASE_PRS, PRS_REGISTERS_NIC_MODE, 1);
+#endif
+
+ REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_CDU_P_SIZE, 5);
+#ifdef BCM_ISCSI
+ REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_TM_P_SIZE, 5);
+ REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_QM_P_SIZE, 5);
+ REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_SRC_P_SIZE, 5);
+#endif
+
+ bnx2x_init_stage(bp, BLCNUM_DMAE, COMMON);
+
+ /* let the HW do it's magic ... */
+ msleep(100); /* TBD */
+ /* finish PXP init
+ (can be moved up if we want to use the DMAE) */
+ val = REG_RD(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_CFG_DONE);
+ if (val != 1) {
+ BNX2X_ERR("PXP2 CFG failed\n");
+ return -EBUSY;
+ }
+
+ val = REG_RD(bp, GRCBASE_PXP2, PXP2_REGISTERS_RD_INIT_DONE);
+ if (val != 1) {
+ BNX2X_ERR("PXP2 RD_INIT failed\n");
+ return -EBUSY;
+ }
+
+ REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_DISABLE_INPUTS, 0);
+ REG_WR(bp, GRCBASE_PXP2, PXP2_REGISTERS_RD_DISABLE_INPUTS, 0);
+
+ DMAE_CLR(bp, GRCBASE_TSEM, TSEM_REGISTERS_PRAM, 8);
+
+ bnx2x_init_stage(bp, BLCNUM_TCM, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_UCM, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_CCM, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_XCM, COMMON);
+
+ /* TBD merge with init tool? */
+#ifdef BNX2X_DMAE_RD
+ bnx2x_read_dmae(bp,
+ (GRCBASE_XSEM + XSEM_REGISTERS_PASSIVE_BUFFER), 3);
+ bnx2x_read_dmae(bp,
+ (GRCBASE_CSEM + CSEM_REGISTERS_PASSIVE_BUFFER), 3);
+ bnx2x_read_dmae(bp,
+ (GRCBASE_TSEM + TSEM_REGISTERS_PASSIVE_BUFFER), 3);
+ bnx2x_read_dmae(bp,
+ (GRCBASE_USEM + USEM_REGISTERS_PASSIVE_BUFFER), 3);
+#else
+ REG_RD(bp, GRCBASE_XSEM, XSEM_REGISTERS_PASSIVE_BUFFER);
+ REG_RD(bp, GRCBASE_XSEM, XSEM_REGISTERS_PASSIVE_BUFFER + 4);
+ REG_RD(bp, GRCBASE_XSEM, XSEM_REGISTERS_PASSIVE_BUFFER + 8);
+ REG_RD(bp, GRCBASE_CSEM, CSEM_REGISTERS_PASSIVE_BUFFER);
+ REG_RD(bp, GRCBASE_CSEM, CSEM_REGISTERS_PASSIVE_BUFFER + 4);
+ REG_RD(bp, GRCBASE_CSEM, CSEM_REGISTERS_PASSIVE_BUFFER + 8);
+ REG_RD(bp, GRCBASE_TSEM, TSEM_REGISTERS_PASSIVE_BUFFER);
+ REG_RD(bp, GRCBASE_TSEM, TSEM_REGISTERS_PASSIVE_BUFFER + 4);
+ REG_RD(bp, GRCBASE_TSEM, TSEM_REGISTERS_PASSIVE_BUFFER + 8);
+ REG_RD(bp, GRCBASE_USEM, USEM_REGISTERS_PASSIVE_BUFFER);
+ REG_RD(bp, GRCBASE_USEM, USEM_REGISTERS_PASSIVE_BUFFER + 4);
+ REG_RD(bp, GRCBASE_USEM, USEM_REGISTERS_PASSIVE_BUFFER + 8);
+#endif
+ bnx2x_init_stage(bp, BLCNUM_QM, COMMON);
+ /* softrest pulse */
+ REG_WR(bp, GRCBASE_QM, QM_REGISTERS_SOFT_RESET, 1);
+ REG_WR(bp, GRCBASE_QM, QM_REGISTERS_SOFT_RESET, 0);
+
+#ifdef BCM_ISCSI
+ bnx2x_init_stage(bp, BLCNUM_TIMERS, COMMON);
+#endif
+ bnx2x_init_stage(bp, BLCNUM_DQ, COMMON);
+ REG_WR(bp, GRCBASE_DQ, DORQ_REGISTERS_DPM_CID_OFST,
+ BCM_PAGE_BITS);
+ if (CHIP_REV(bp) == CHIP_REV_Ax) {
+ /* enable hw interrupt from doorbell Q */
+ REG_WR(bp, GRCBASE_DQ,
+ DORQ_REGISTERS_DORQ_INT_MASK, 0);
+ }
+
+ bnx2x_init_stage(bp, BLCNUM_BRB1, COMMON);
+
+ if (CHIP_REV_IS_SLOW(bp)) {
+ /* fix for emulation and FPGA for no pause */
+ REG_WR(bp, GRCBASE_BRB1,
+ BRB1_REGISTERS_PAUSE_HIGH_THRESHOLD_0, 513);
+ REG_WR(bp, GRCBASE_BRB1,
+ BRB1_REGISTERS_PAUSE_HIGH_THRESHOLD_1, 513);
+ REG_WR(bp, GRCBASE_BRB1,
+ BRB1_REGISTERS_PAUSE_LOW_THRESHOLD_0, 0);
+ REG_WR(bp, GRCBASE_BRB1,
+ BRB1_REGISTERS_PAUSE_LOW_THRESHOLD_1, 0);
+ }
+
+ bnx2x_init_stage(bp, BLCNUM_PRS, COMMON);
+
+ bnx2x_init_stage(bp, BLCNUM_TSDM, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_CSDM, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_USDM, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_XSDM, COMMON);
+
+ bnx2x_zero_intmem(bp);
+
+ bnx2x_init_stage(bp, BLCNUM_TSEM, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_USEM, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_CSEM, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_XSEM, COMMON);
+
+ /* 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);
+
+ bnx2x_init_stage(bp, BLCNUM_UPB, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_XPB, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_PBF, COMMON);
+
+#if defined(BCM_ISCSI) | defined(BCM_MULTI)
+ REG_WR(bp, GRCBASE_SRCH, SRC_REGISTERS_SOFT_RST, 1);
+ for (i = SRC_REGISTERS_KEYRSS0_0;
+ i <= SRC_REGISTERS_KEYRSS1_9; i += 4) {
+ REG_WR(bp, GRCBASE_SRCH, i, 0xc0cac01a);
+ /* todo: repleace with something meaningfull */
+ }
+ bnx2x_init_stage(bp, BLCNUM_SRCH, COMMON);
+ REG_WR(bp, GRCBASE_SRCH, SRC_REGISTERS_SOFT_RST, 0);
+#endif
+
+ if (sizeof(union cdu_context) != 1024) {
+ printk(KERN_ALERT PFX "please adjust the size of"
+ " cdu_context(%ld)\n",
+ (long)sizeof(union cdu_context));
+ }
+ val = (4 << 24) + (0 << 12) + 1024;
+ REG_WR(bp, GRCBASE_CDU, CDU_REGISTERS_CDU_GLOBAL_PARAMS, val);
+ bnx2x_init_stage(bp, BLCNUM_CDU, COMMON);
+
+ bnx2x_init_stage(bp, BLCNUM_CFC, COMMON);
+ REG_WR(bp, GRCBASE_CFC, CFC_REGISTERS_INIT_REG, 0x7FF);
+
+ bnx2x_init_stage(bp, BLCNUM_HC, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_MISC_AEU, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_PXPCS, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_EMAC0, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_EMAC1, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_DBU, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_DBG, COMMON);
+ bnx2x_init_stage(bp, BLCNUM_NIG, COMMON);
+
+ if (CHIP_REV_IS_SLOW(bp)) {
+ msleep(200);
+ }
+
+ /* finish CFC init */
+ val = REG_RD(bp, GRCBASE_CFC, CFC_REGISTERS_LL_INIT_DONE);
+ if (val != 1) {
+ BNX2X_ERR("CFC LL_INIT failed\n");
+ return -EBUSY;
+ }
+
+ val = REG_RD(bp, GRCBASE_CFC, CFC_REGISTERS_AC_INIT_DONE);
+ if (val != 1) {
+ BNX2X_ERR("CFC AC_INIT failed\n");
+ return -EBUSY;
+ }
+
+ val = REG_RD(bp, GRCBASE_CFC, CFC_REGISTERS_CAM_INIT_DONE);
+ if (val != 1) {
+ BNX2X_ERR("CFC CAM_INIT failed\n");
+ return -EBUSY;
+ }
+
+ REG_WR(bp, GRCBASE_CFC, CFC_REGISTERS_DEBUG0, 0);
+
+ /* read NIG statistic
+ to see if this is our first up since powerup */
+#ifdef BNX2X_DMAE_RD
+ bnx2x_read_dmae(bp,
+ (GRCBASE_NIG + NIG_REGISTERS_STAT2_BRB_OCTET), 2);
+ val = *bnx2x_sp(bp, wb_data[0]);
+#else
+ val = REG_RD(bp, GRCBASE_NIG, NIG_REGISTERS_STAT2_BRB_OCTET);
+ REG_RD(bp, GRCBASE_NIG, NIG_REGISTERS_STAT2_BRB_OCTET + 4);
+#endif
+ /* do internal memory self test */
+ if (val == 0 && bnx2x_int_mem_test(bp)) {
+ BNX2X_ERR("internal mem selftest failed\n");
+ return -EBUSY;
+ }
+ } /* end of common init */
+
+ /* per port init */
+
+ /* the phys address is shifted right 12 bits and has an added
+ 1=valid bit added to the 53rd bit
+ then since this is a wide register(TM)
+ we split it into two 32 bit writes
+ */
+#define ONCHIP_ADDR1(x) ((u32)((u64)x >> 12 & 0xFFFFFFFF))
+#define ONCHIP_ADDR2(x) ((u32)(1 << 20 | (u64)x >> 44))
+#define PXP_ONE_ILT(x) ((x << 10) | x)
+
+ DP(BNX2X_MSG_MCP, "starting per-function init port is %x\n", func);
+
+ REG_WR(bp, GRCBASE_NIG,
+ NIG_REGISTERS_MASK_INTERRUPT_PORT0 + func*4, 0);
+ bnx2x_init_stage(bp, BLCNUM_PXP, port);
+ bnx2x_init_stage(bp, BLCNUM_PXP2, port);
+
+ if (func == 0) {
+ /* offset is 0 */
+#ifdef USE_DMAE
+ wb_write[0] = ONCHIP_ADDR1(bnx2x_sp_mapping(bp, context));
+ wb_write[1] = ONCHIP_ADDR2(bnx2x_sp_mapping(bp, context));
+ REG_WR_DMAE(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_RQ_ONCHIP_AT, wb_write, 2);
+#else
+ REG_WR_IND(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_ONCHIP_AT,
+ ONCHIP_ADDR1(bnx2x_sp_mapping(bp, context)));
+ REG_WR_IND(bp, GRCBASE_PXP2, PXP2_REGISTERS_RQ_ONCHIP_AT + 4,
+ ONCHIP_ADDR2(bnx2x_sp_mapping(bp, context)));
+#endif
+ REG_WR(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_PSWRQ_CDU0_L2P, PXP_ONE_ILT(0));
+
+#ifdef BCM_ISCSI
+ /* offset is 1 */
+ wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
+ wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
+ REG_WR_DMAE(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_RQ_ONCHIP_AT + 8, wb_write, 2);
+ REG_WR(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_PSWRQ_TM0_L2P, PXP_ONE_ILT(1));
+
+ /* 3 */
+ wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
+ wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
+ REG_WR_DMAE(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_RQ_ONCHIP_AT + 2*8, wb_write, 2);
+ REG_WR(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_PSWRQ_QM0_L2P, PXP_ONE_ILT(2));
+
+ /* 4 */
+ wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
+ wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
+ REG_WR_DMAE(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_RQ_ONCHIP_AT + 3*8, wb_write, 2);
+ REG_WR(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_PSWRQ_SRC0_L2P, PXP_ONE_ILT(3));
+#endif
+
+ } else {
+ /* second function addresses start from 384 */
+ /* 384 */
+#ifdef USE_DMAE
+ wb_write[0] = ONCHIP_ADDR1(bnx2x_sp_mapping(bp, context));
+ wb_write[1] = ONCHIP_ADDR2(bnx2x_sp_mapping(bp, context));
+ REG_WR_DMAE(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_RQ_ONCHIP_AT + 384*8, wb_write, 2);
+#else
+ REG_WR_IND(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_RQ_ONCHIP_AT + 384*8,
+ ONCHIP_ADDR1(bnx2x_sp_mapping(bp, context)));
+ REG_WR_IND(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_RQ_ONCHIP_AT + 384*8 + 4,
+ ONCHIP_ADDR2(bnx2x_sp_mapping(bp, context)));
+#endif
+ REG_WR(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_PSWRQ_CDU1_L2P, PXP_ONE_ILT(384));
+
+#ifdef BCM_ISCSI
+ /* 385 */
+ wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping);
+ wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping);
+ REG_WR_DMAE(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_RQ_ONCHIP_AT + 385*8, wb_write, 2);
+ REG_WR(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_PSWRQ_TM1_L2P, PXP_ONE_ILT(385));
+
+ wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping);
+ wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping);
+ REG_WR_DMAE(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_RQ_ONCHIP_AT + 386*8, wb_write, 2);
+ REG_WR(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_PSWRQ_QM1_L2P, PXP_ONE_ILT(386));
+
+ wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping);
+ wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping);
+ REG_WR_DMAE(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_RQ_ONCHIP_AT + 387*8, wb_write, 2);
+ REG_WR(bp, GRCBASE_PXP2,
+ PXP2_REGISTERS_PSWRQ_SRC1_L2P, PXP_ONE_ILT(387));
+#endif
+ }
+
+ bnx2x_init_stage(bp, BLCNUM_TCM, port);
+ bnx2x_init_stage(bp, BLCNUM_UCM, port);
+ bnx2x_init_stage(bp, BLCNUM_CCM, port);
+ bnx2x_init_stage(bp, BLCNUM_XCM, port);
+
+#ifdef USE_DMAE
+ wb_write[0] = 0;
+ wb_write[1] = 0;
+#endif
+ if (func == 0) {
+ for (i = 0; i < 32; i++) {
+ REG_WR(bp, GRCBASE_QM,
+ QM_REGISTERS_BASEADDR + 4*i, 1024 * 4 * i);
+#ifdef USE_DMAE
+ REG_WR_DMAE(bp, GRCBASE_QM,
+ QM_REGISTERS_PTRTBL + i*8, wb_write, 2);
+#else
+ REG_WR_IND(bp, GRCBASE_QM,
+ QM_REGISTERS_PTRTBL + i*8, 0);
+ REG_WR_IND(bp, GRCBASE_QM,
+ QM_REGISTERS_PTRTBL + i*8 + 4, 0);
+#endif
+ }
+ REG_WR(bp, GRCBASE_QM, QM_REGISTERS_CONNNUM_0, 1024/16 - 1);
+
+ } else {
+ for (i = 0; i < 32; i++) {
+ REG_WR(bp, GRCBASE_QM,
+ QM_REGISTERS_BASEADDR + 4*(32 + i),
+ 1024 * 4 * i);
+#ifdef USE_DMAE
+ REG_WR_DMAE(bp, GRCBASE_QM,
+ QM_REGISTERS_PTRTBL + (i + 32)*8,
+ wb_write, 2);
+#else
+ REG_WR_IND(bp, GRCBASE_QM,
+ QM_REGISTERS_PTRTBL + (i + 32)*8, 0);
+ REG_WR_IND(bp, GRCBASE_QM,
+ QM_REGISTERS_PTRTBL + (i + 32)*8 + 4, 0);
+#endif
+ }
+ REG_WR(bp, GRCBASE_QM, QM_REGISTERS_CONNNUM_1, 1024/16 - 1);
+ }
+
+ bnx2x_init_stage(bp, BLCNUM_QM, port);
+
+#ifdef BCM_ISCSI
+ REG_WR(bp, GRCBASE_TIMERS,
+ TM_REGISTERS_LIN0_SCAN_TIME + 4*func, 1024/64*20);
+
+ REG_WR(bp, GRCBASE_TIMERS,
+ TM_REGISTERS_LIN0_MAX_ACTIVE_CID + 4*func, 31);
+ bnx2x_init_stage(bp, BLCNUM_TIMERS, port);
+#endif
+ bnx2x_init_stage(bp, BLCNUM_DQ, port);
+ bnx2x_init_stage(bp, BLCNUM_BRB1, port);
+ bnx2x_init_stage(bp, BLCNUM_PRS, port);
+ bnx2x_init_stage(bp, BLCNUM_TSDM, port);
+ bnx2x_init_stage(bp, BLCNUM_CSDM, port);
+ bnx2x_init_stage(bp, BLCNUM_USDM, port);
+ bnx2x_init_stage(bp, BLCNUM_XSDM, port);
+ bnx2x_init_stage(bp, BLCNUM_TSEM, port);
+ bnx2x_init_stage(bp, BLCNUM_USEM, port);
+ bnx2x_init_stage(bp, BLCNUM_CSEM, port);
+ bnx2x_init_stage(bp, BLCNUM_XSEM, port);
+ bnx2x_init_stage(bp, BLCNUM_UPB, port);
+ bnx2x_init_stage(bp, BLCNUM_XPB, port);
+ bnx2x_init_stage(bp, BLCNUM_PBF, port);
+
+ /* configure PBF to work without PAUSE mtu 9000 */
+ REG_WR(bp, GRCBASE_PBF, PBF_REGISTERS_P0_PAUSE_ENABLE + 4*func, 0);
+
+ /* update threshold */
+ REG_WR(bp, GRCBASE_PBF,
+ PBF_REGISTERS_P0_ARB_THRSH + 4*func, (9040/16));
+ /* update init credit */
+ REG_WR(bp, GRCBASE_PBF,
+ PBF_REGISTERS_P0_INIT_CRD + 4*func, (9040/16) + 553 - 22);
+
+ /* probe changes */
+ REG_WR(bp, GRCBASE_PBF, PBF_REGISTERS_INIT_P0 + 4*func, 1);
+ msleep(5);
+ REG_WR(bp, GRCBASE_PBF, PBF_REGISTERS_INIT_P0 + 4*func, 0);
+
+#ifdef BCM_ISCSI
+ /* tell the searcher where the T2 table is */
+ REG_WR(bp, GRCBASE_SRCH,
+ SRC_REGISTERS_COUNTFREE0 + 4*func, 16*1024/64);
+
+ wb_write[0] = U64_LO(bp->t2_mapping);
+ wb_write[1] = U64_HI(bp->t2_mapping);
+ REG_WR_DMAE(bp, GRCBASE_SRCH,
+ SRC_REGISTERS_FIRSTFREE0 + 4*func, wb_write, 2);
+ wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64);
+ wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64);
+ REG_WR_DMAE(bp, GRCBASE_SRCH,
+ SRC_REGISTERS_LASTFREE0 + 4*func, wb_write, 2);
+
+ REG_WR(bp, GRCBASE_SRCH,
+ SRC_REGISTERS_NUMBER_HASH_BITS0 + 4*func, 10);
+ bnx2x_init_stage(bp, BLCNUM_SRCH, port);
+#endif
+ bnx2x_init_stage(bp, BLCNUM_CDU, port);
+ bnx2x_init_stage(bp, BLCNUM_CFC, port);
+ bnx2x_init_stage(bp, BLCNUM_HC, port);
+ bnx2x_init_stage(bp, BLCNUM_MISC_AEU, port);
+ bnx2x_init_stage(bp, BLCNUM_PXPCS, port);
+ bnx2x_init_stage(bp, BLCNUM_EMAC0, port);
+ bnx2x_init_stage(bp, BLCNUM_EMAC1, port);
+ bnx2x_init_stage(bp, BLCNUM_DBU, port);
+ bnx2x_init_stage(bp, BLCNUM_DBG, port);
+ bnx2x_init_stage(bp, BLCNUM_NIG, port);
+ REG_WR(bp, GRCBASE_NIG,
+ NIG_REGISTERS_XGXS_SERDES0_MODE_SEL + 4*func, 1);
+ bnx2x_init_stage(bp, BLCNUM_MCP, port);
+ bnx2x_init_stage(bp, BLCNUM_DMAE, port);
+
+ bnx2x_link_reset(bp);
+
+ /* Reset pciex errors for debug */
+ REG_WR(bp, GRCBASE_PXPCS, 0x2114, 0xffffffff);
+ REG_WR(bp, GRCBASE_PXPCS, 0x2120, 0xffffffff);
+ REG_WR(bp, GRCBASE_PXPCS, 0x2814, 0xffffffff);
+
+ bnx2x_gunzip_end(bp);
+
+ if (!nomcp) {
+ port = bp->port;
+
+ bp->fw_drv_pulse_wr_seq =
+ (SHMEM_RD(bp, drv_fw_mb[port].drv_pulse_mb) &
+ DRV_PULSE_SEQ_MASK);
+ bp->fw_mb = SHMEM_RD(bp, drv_fw_mb[port].fw_mb_param);
+ DP(BNX2X_MSG_MCP, "drv_pulse 0x%x fw_mb 0x%x\n",
+ bp->fw_drv_pulse_wr_seq, bp->fw_mb);
+ } else {
+ bp->fw_mb = 0;
+ }
+
+ return 0;
+}
+
+static void bnx2x_fw_dump(struct bnx2x *bp)
+{
+ u32 mark, offset;
+ u32 data[9];
+ int word;
+
+ mark = REG_RD(bp, GRCBASE_MCP, MCP_REG_MCPR_SCRATCH + 0xf104);
+ printk(KERN_ERR PFX "begin fw dump (mark %x)\n", mark);
+
+ for (offset = 0xF108; offset <= 0xF900; offset += 0x8*4) {
+ for (word = 0; word < 8; word++) {
+ data[word] = htonl(REG_RD(bp, GRCBASE_MCP,
+ MCP_REG_MCPR_SCRATCH +
+ offset + 4*word));
+ }
+ data[8] = 0x0;
+ if (offset + 0x08000000 > mark) {
+ printk(KERN_ERR PFX "\n*****\n");
+ mark = UINT_MAX;
+ }
+ printk(KERN_ERR PFX "%s", (char *)data);
+ }
+ printk("\n" KERN_ERR PFX "end of fw dump\n");
+}
+
+/* send the MCP a request, block untill there is a reply */
+static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command)
+{
+ u32 rc = 0;
+ u32 seq = ++bp->fw_seq;
+ int port = bp->port;
+
+ SHMEM_WR(bp, drv_fw_mb[port].drv_mb_header, command|seq);
+ DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", command|seq);
+
+ /* let the FW do it's magic ... */
+ msleep(100); /* TBD */
+
+ if (CHIP_REV_IS_SLOW(bp)) {
+ msleep(900);
+ }
+
+ rc = SHMEM_RD(bp, drv_fw_mb[port].fw_mb_header);
+
+ DP(BNX2X_MSG_MCP, "read (%x) seq is (%x) from FW MB\n", 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;
+ }
+ return rc;
+}
+
+static void bnx2x_free_mem(struct bnx2x *bp)
+{
+
+#define BNX2X_PCI_FREE(x, y, size) \
+ do { \
+ if (x) { \
+ pci_free_consistent(bp->pdev, size, x, y); \
+ x = NULL; \
+ y = 0; \
+ } \
+ } while (0)
+
+#define BNX2X_KFREE(x) \
+ do { \
+ if (x) { \
+ vfree(x); \
+ x = NULL; \
+ } \
+ } while (0)
+
+ int i;
+
+ /* fastpath */
+ for_each_queue(bp, i) {
+
+ /* Status blocks */
+ BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk),
+ bnx2x_fp(bp, i, status_blk_mapping),
+ sizeof(struct host_status_block) +
+ sizeof(struct eth_tx_db_data));
+
+ /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
+ BNX2X_KFREE(bnx2x_fp(bp, i, tx_buf_ring));
+ BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring),
+ bnx2x_fp(bp, i, tx_desc_mapping),
+ sizeof(struct eth_tx_bd) * NUM_TX_BD);
+
+ BNX2X_KFREE(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_rx_bd) * NUM_RX_BD);
+ }
+
+ /* BNX2X_KFREE(bp->fp); */
+ /* end of fastpath */
+
+ BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping,
+ (sizeof(struct host_def_status_block)));
+
+ BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping,
+ (sizeof(struct bnx2x_slowpath)));
+
+#ifdef BCM_ISCSI
+ BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024);
+ BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024);
+ BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024);
+ BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024);
+#endif
+ BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, PAGE_SIZE);
+
+#undef BNX2X_PCI_FREE
+#undef BNX2X_KFREE
+}
+
+static int bnx2x_alloc_mem(struct bnx2x *bp)
+{
+
+#define BNX2X_PCI_ALLOC(x, y, size) \
+ do { \
+ x = pci_alloc_consistent(bp->pdev, size, y); \
+ if (x == NULL) \
+ goto alloc_mem_err; \
+ memset(x, 0, size); \
+ } while (0)
+
+#define BNX2X_ALLOC(x, size) \
+ do { \
+ x = vmalloc(size); \
+ if (x == NULL) \
+ goto alloc_mem_err; \
+ memset(x, 0, size); \
+ } while (0)
+
+ int i;
+
+ /* fastpath */
+/* BNX2X_ALLOC(bp->fp, sizeof(struct bnx2x_fastpath) * bp->num_queues); */
+
+ for_each_queue(bp, i) {
+ bnx2x_fp(bp, i, bp) = bp;
+
+ /* Status blocks */
+ BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk),
+ &bnx2x_fp(bp, i, status_blk_mapping),
+ sizeof(struct host_status_block) +
+ sizeof(struct eth_tx_db_data));
+
+ bnx2x_fp(bp, i, hw_tx_prods) =
+ (void *)(bnx2x_fp(bp, i, status_blk) + 1);
+
+ bnx2x_fp(bp, i, tx_prods_mapping) =
+ bnx2x_fp(bp, i, status_blk_mapping) +
+ sizeof(struct host_status_block);
+
+ /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */
+ 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(struct eth_tx_bd) * NUM_TX_BD);
+
+ 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);
+
+ BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring),
+ &bnx2x_fp(bp, i, rx_comp_mapping),
+ sizeof(struct eth_rx_bd) * NUM_RX_BD);
+ }
+ /* end of fastpath */
+
+ BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping,
+ sizeof(struct host_def_status_block));
+
+ BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping,
+ sizeof(struct bnx2x_slowpath));
+
+#ifdef BCM_ISCSI
+ BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024);
+
+ /* Initialize T1 */
+ for (i = 0; i < 64*1024; i += 64) {
+ *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL;
+ *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL;
+ }
+
+ /* allocate searcher T2 table
+ we allocate 1/4 of alloc num for T2
+ (which is not entered into the ILT) */
+ BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024);
+
+ /* Initialize T2 */
+ for (i = 0; i < 16*1024; i += 64) {
+ *(u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64;
+ }
+
+ /* now sixup the last line in the block to point to the next block */
+ *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping;
+
+ /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */
+ BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024);
+
+ /* QM queues (128*MAX_CONN) */
+ BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024);
+#endif
+
+ /* Slow path ring */
+ BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, PAGE_SIZE);
+
+ return 0;
+
+alloc_mem_err:
+ bnx2x_free_mem(bp);
+ return -ENOMEM;
+
+#undef BNX2X_PCI_ALLOC
+#undef BNX2X_ALLOC
+}
+
+static void bnx2x_free_tx_skbs(struct bnx2x *bp)
+{
+ int i;
+
+ for_each_queue(bp, i) {
+ struct bnx2x_fastpath *fp = &bp->fp[i];
+
+ u16 bd_cons = fp->tx_bd_cons;
+ u16 sw_prod = fp->tx_pkt_prod;
+ u16 sw_cons = fp->tx_pkt_cons;
+
+ BUG_TRAP(fp->tx_buf_ring != NULL);
+
+ while (sw_cons != sw_prod) {
+ bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons));
+ sw_cons++;
+ }
+ }
+}
+
+static void bnx2x_free_rx_skbs(struct bnx2x *bp)
+{
+ int i, j;
+
+ for_each_queue(bp, j) {
+ struct bnx2x_fastpath *fp = &bp->fp[j];
+
+ BUG_TRAP(fp->rx_buf_ring != NULL);
+
+ for (i = 0; i < NUM_RX_BD; i++) {
+ struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i];
+ struct sk_buff *skb = rx_buf->skb;
+
+ if (skb == NULL)
+ continue;
+
+ pci_unmap_single(bp->pdev,
+ pci_unmap_addr(rx_buf, mapping),
+ bp->rx_buf_use_size,
+ PCI_DMA_FROMDEVICE);
+
+ rx_buf->skb = NULL;
+
+ dev_kfree_skb(skb);
+ }
+ }
+}
+
+static void bnx2x_free_skbs(struct bnx2x *bp)
+{
+ bnx2x_free_tx_skbs(bp);
+ bnx2x_free_rx_skbs(bp);
+}
+
+static void bnx2x_free_irq(struct bnx2x *bp)
+{
+ int i;
+
+ if (bp->flags & USING_MSIX_FLAG) {
+
+ free_irq(bp->msix_table[0].vector, bp->dev);
+ DP(NETIF_MSG_IFDOWN, "rleased sp irq (%d)\n",
+ bp->msix_table[0].vector);
+
+ for_each_queue(bp, i) {
+ DP(NETIF_MSG_IFDOWN,
+ "about to rlease fp #%d->%d irq state(%x)\n", i,
+ bp->msix_table[i + 1].vector,
+ bnx2x_fp(bp, i, state));
+
+ if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED) {
+ free_irq(bp->msix_table[i + 1].vector,
+ &bp->fp[i]);
+ bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_CLOSED;
+
+ } else {
+ DP(NETIF_MSG_IFDOWN, "irq not freed\n");
+ }
+ }
+ pci_disable_msix(bp->pdev);
+ bp->flags &= ~USING_MSIX_FLAG;
+
+ } else {
+ free_irq(bp->pdev->irq, bp->dev);
+ }
+}
+
+static int bnx2x_req_irq(struct bnx2x *bp)
+{
+ int i, rc;
+
+ if (!use_inta) {
+ bp->msix_table[0].entry = 0;
+ for_each_queue(bp, i) {
+ bp->msix_table[i + 1].entry = i + 1;
+ }
+
+ if ((rc = pci_enable_msix(bp->pdev, &bp->msix_table[0],
+ bp->num_queues + 1)) == 0) {
+
+ bp->flags |= USING_MSIX_FLAG;
+
+ DP(NETIF_MSG_IFUP, "about to request sp irq\n");
+
+ rc = request_irq(bp->msix_table[0].vector,
+ bnx2x_msix_sp_int, 0,
+ bp->dev->name, bp->dev);
+ DP(NETIF_MSG_IFUP, "returned %d\n", rc);
+ if (rc) {
+ return -1;
+ }
+
+ for_each_queue(bp, i) {
+ DP(NETIF_MSG_IFUP,
+ "about to request fp irq#%d\n", i);
+
+ rc = request_irq(bp->msix_table[i + 1].vector,
+ bnx2x_msix_fp_int, 0,
+ bp->dev->name, &bp->fp[i]);
+ DP(NETIF_MSG_IFUP, "returned %d\n", rc);
+ if (rc) {
+ goto out_irq;
+ }
+ bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ;
+ }
+ }
+ }
+ if (!(bp->flags & USING_MSIX_FLAG)) {
+ rc = request_irq(bp->pdev->irq, bnx2x_interrupt,
+ IRQF_SHARED, bp->dev->name, bp->dev);
+ if (rc) {
+ return -1;
+ }
+ bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ;
+ }
+
+ return 0;
+
+out_irq:
+ if (bp->flags & USING_MSIX_FLAG) {
+
+ for_each_queue(bp, i) {
+ DP(NETIF_MSG_IFUP,
+ "failed to load. about to rlease irq#%d\n", i);
+
+ if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED) {
+ free_irq(bp->msix_table[i + 1].vector,
+ &bp->fp[i]);
+ bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_CLOSED;
+ DP(NETIF_MSG_IFUP, "rleased irq#%d\n", i);
+ }
+ }
+ free_irq(bp->msix_table[0].vector, bp->dev);
+ pci_disable_msix(bp->pdev);
+ bp->flags &= ~USING_MSIX_FLAG;
+
+ } else {
+ free_irq(bp->pdev->irq, bp->dev);
+ }
+
+ return -1;
+}
+
+/****************************************************************************
+* Init service functions
+****************************************************************************/
+
+static void bnx2x_set_mac_addr(struct bnx2x *bp)
+{
+ struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
+
+ /* CAM allocation
+ * unicasts 0-31:port0 32-63:port1
+ * multicast 64-127:port0 128-191:port1
+ */
+ config->hdr.length_6b = 2;
+ config->hdr.offset = bp->port ? 31 : 0;
+ config->hdr.reserved0 = 0;
+ config->hdr.reserved1 = 0;
+
+ /* primary MAC */
+ config->config_table[0].cam_entry.msb_mac_addr =
+ be16_to_cpu(*(u16 *)&bp->dev->dev_addr[0]);
+ config->config_table[0].cam_entry.middle_mac_addr =
+ be16_to_cpu(*(u16 *)&bp->dev->dev_addr[2]);
+ config->config_table[0].cam_entry.lsb_mac_addr =
+ be16_to_cpu(*(u16 *)&bp->dev->dev_addr[4]);
+ config->config_table[0].cam_entry.flags = bp->port;
+ config->config_table[0].target_table_entry.flags = 0;
+ config->config_table[0].target_table_entry.client_id = 0;
+ config->config_table[0].target_table_entry.vlan_id = 0;
+ DP(NETIF_MSG_RX_STATUS, "setting MAC (%04x:%04x:%04x)\n",
+ config->config_table[0].cam_entry.msb_mac_addr,
+ config->config_table[0].cam_entry.middle_mac_addr,
+ config->config_table[0].cam_entry.lsb_mac_addr);
+
+ /* broadcast */
+ config->config_table[1].cam_entry.msb_mac_addr = 0xffff;
+ config->config_table[1].cam_entry.middle_mac_addr = 0xffff;
+ config->config_table[1].cam_entry.lsb_mac_addr = 0xffff;
+ config->config_table[1].cam_entry.flags = bp->port;
+ config->config_table[1].target_table_entry.flags =
+ TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST;
+ config->config_table[1].target_table_entry.client_id = 0;
+ config->config_table[1].target_table_entry.vlan_id = 0;
+
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
+ U64_HI(bnx2x_sp_mapping(bp, mac_config)),
+ U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0);
+}
+
+/* state_p is a pointer to state field, which is checked for a change */
+static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx,
+ int *state_p, int poll)
+{
+ int i = 0;
+
+ /* DP("waiting for state to become %d on IDX [%d]\n",
+ state, sb_idx); */
+
+ while (*state_p != state) {
+
+ msleep(1);
+
+ if (poll) {
+ /* Get ramrod "send" completion (will only update producer) */
+ bnx2x_rx_int(bp->fp, 10);
+ /* If index is different from 0 -
+ * call for interrupt handling routine for the
+ * appropriate queue to get the ramrod completion */
+ }
+ if (i++ == 5000) {
+ return -EBUSY;
+ }
+ }
+
+ return 0;
+}
+
+static void bnx2x_set_rx_mode(struct net_device *dev);
+
+static int bnx2x_nic_load(struct bnx2x *bp, int req_irq)
+{
+ int rc;
+ int i = 0;
+
+ bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD;
+
+ /* Send LOAD_REQUEST command to MCP.
+ Returns the type of LOAD command: if it is the
+ first port to be initialized common blocks should be
+ initialized, otherwise - not.
+ */
+ if (!nomcp) {
+ rc = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ);
+ if (rc == FW_MSG_CODE_DRV_LOAD_REFUSED) {
+ return -EBUSY; /* other port in diagnostic mode */
+ }
+ } else {
+ rc = FW_MSG_CODE_DRV_LOAD_COMMON;
+ }
+
+ bp->num_queues = 1;
+
+ /* Allocate driver's memories */
+ if (bnx2x_alloc_mem(bp))
+ return -ENOMEM;
+
+ /* Initialize the appropriate blocks */
+ if (bnx2x_function_init(bp, (rc == FW_MSG_CODE_DRV_LOAD_COMMON))) {
+ BNX2X_ERR("HW init failed, aborting\n");
+ goto out_error;
+ }
+
+ /* Request IRQ if needed */
+ if (req_irq) {
+ rc = bnx2x_req_irq(bp);
+ if (rc) {
+ goto out_error;
+ }
+ }
+
+ atomic_set(&bp->intr_sem, 0);
+
+ /* Reenable SP tasklet */
+ if (bp->sp_task_en) {
+ tasklet_enable(&bp->sp_task);
+ } else {
+ bp->sp_task_en = 1;
+ }
+
+ /* Setup NIC internals */
+ rc = bnx2x_nic_init(bp); /* also enables interrupts */
+ if (rc) {
+ goto out_skbs;
+ }
+
+ /* Send LOAD_DONE command to MCP */
+ if (!nomcp) {
+ rc = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE);
+ DP(NETIF_MSG_IFUP, "rc = 0x%x\n", rc);
+ if (!rc) {
+ goto int_disable;
+ }
+ }
+
+ bp->state = BNX2X_STATE_OPENING_WAIT4_PORT;
+
+ /* Enable Rx interrupt handling before sending the ramrod
+ as it's completed on Rx FP queue */
+ napi_enable(&bnx2x_fp(bp, 0, napi));
+
+ /* On default status block */
+ bnx2x_ack_sb(bp, 16, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
+ /* On FP */
+ for_each_queue(bp, i)
+ bnx2x_ack_sb(bp, i, CSTORM_ID, 0, IGU_INT_ENABLE, 0);
+
+ /* SETUP ramrod */
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0);
+ /* Wait for completion */
+ rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0);
+ if (rc) {
+ goto stop_netif;
+ }
+
+ /* Configure CAM */
+ bnx2x_set_mac_addr(bp);
+
+ bnx2x_phy_init(bp);
+
+ /* Start fast path */
+ if (req_irq) { /* IRQ is only requested from bnx2x_open function
+ when Tx queue is initialized for the first time */
+ netif_start_queue(bp->dev);
+ if (bp->flags & USING_MSIX_FLAG) {
+ printk(KERN_INFO PFX "%s: using MSI-X\n",
+ bp->dev->name);
+ }
+
+ /* Otherwise Tx queue should be only reenabled */
+ } else if (netif_running(bp->dev)) {
+ netif_wake_queue(bp->dev);
+ bnx2x_set_rx_mode(bp->dev);
+ }
+
+ /* start the timer */
+ mod_timer(&bp->timer, jiffies + bp->current_interval);
+
+ return 0;
+
+stop_netif:
+ napi_disable(&bnx2x_fp(bp, 0, napi));
+int_disable:
+ bnx2x_disable_int_sync(bp);
+out_skbs:
+ bnx2x_free_skbs(bp);
+ bnx2x_free_irq(bp);
+
+out_error:
+ bnx2x_free_mem(bp);
+
+ /* TBD we really need to reset the chip
+ if we want to recover from this */
+ return rc;
+}
+
+static void bnx2x_netif_stop(struct bnx2x *bp)
+{
+ bp->rx_mode = BNX2X_RX_MODE_NONE;
+ bnx2x_set_storm_rx_mode(bp);
+
+ bnx2x_disable_int_sync(bp);
+ bnx2x_link_reset(bp);
+ napi_disable(&bnx2x_fp(bp, 0, napi));
+ if (netif_running(bp->dev)) {
+ netif_tx_disable(bp->dev);
+ bp->dev->trans_start = jiffies; /* prevent tx timeout */
+ }
+}
+
+static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code)
+{
+ int port = bp->port;
+
+ DP(NETIF_MSG_IFDOWN, "reset called with code %x\n", reset_code);
+
+ /* Do not rcv packets to BRB */
+ REG_WR(bp, GRCBASE_NIG,
+ NIG_REGISTERS_LLH0_BRB1_DRV_MASK + port*4, 0x0);
+ /* Do not direct rcv packets that are not for MCP to the BRB */
+ REG_WR(bp, GRCBASE_NIG,
+ (port ? NIG_REGISTERS_LLH1_BRB1_NOT_MCP :
+ NIG_REGISTERS_LLH0_BRB1_NOT_MCP), 0x0);
+
+ /* Configure IGU and AEU */
+ REG_WR(bp, GRCBASE_HC, HC_REGISTERS_CONFIG_0 + (port*4), 0x1000);
+ REG_WR(bp, GRCBASE_MISC_AEU,
+ MISC_REGISTERS_AEU_MASK_ATTN_FUNC_0 + (port*4), 0);
+
+ /* TODO Close Doorbells port */
+
+ if (reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) {
+ /* 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);
+ }
+}
+
+static int bnx2x_nic_unload(struct bnx2x *bp, int fre_irq)
+{
+ u32 reset_code = 0;
+ int rc;
+
+ bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT;
+
+ /* Calling flush_scheduled_work() may deadlock because
+ * linkwatch_event() may be on the workqueue and it will try to get
+ * the rtnl_lock which we are holding.
+ */
+ while (bp->in_reset_task)
+ msleep(1);
+
+ /* Delete the timer: do it before disabling interrupts, as it
+ may be stil STAT_QUERY ramrod pending after stopping the timer */
+ del_timer_sync(&bp->timer);
+
+ /* Wait until stat ramrod returns and all SP tasks complete */
+ while (bp->stat_pending && (bp->spq_left != MAX_SPQ_PENDING)) {
+ msleep(1);
+ }
+
+ /* Stop fast path, disable MAC, disable interrupts
+ This does napi_disable() for us. */
+ bnx2x_netif_stop(bp);
+
+ if (bp->flags & NO_WOL_FLAG)
+ reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP;
+ else if (bp->wol) {
+ u32 emac_base = bp->port ? GRCBASE_EMAC0 : GRCBASE_EMAC1;
+ u8 *mac_addr = bp->dev->dev_addr;
+ u32 val = (EMAC_MODE_MPKT | EMAC_MODE_MPKT_RCVD |
+ EMAC_MODE_ACPI_RCVD);
+
+ REG_WR(bp, emac_base, EMAC_REG_EMAC_MODE, val);
+
+ val = (mac_addr[0] << 8) | mac_addr[1];
+
+ REG_WR(bp, emac_base, EMAC_REG_EMAC_MAC_MATCH, val);
+
+ val = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
+ (mac_addr[4] << 8) | mac_addr[5];
+
+ REG_WR(bp, emac_base, EMAC_REG_EMAC_MAC_MATCH + 4, val);
+
+ reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN;
+ } else
+ reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS;
+
+
+ /* Send HALT ramrod */
+ bp->fp[0].state = BNX2X_FP_STATE_HALTING;
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, 0, 0);
+ /* Wait for completion */
+ rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0,
+ &(bp->fp[0].state), 1);
+ if (rc) {
+ goto error;
+ }
+
+ /* Remember cstorm producer in DSB to track it */
+ bp->dsb_sp_prod_idx = *bp->dsb_sp_prod;
+ /* Send CFC_DELETE ramrod */
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1);
+ /* Wait for completion to arrive. Do nothing as we are going to reset
+ the chip a few lines later */
+ while (bp->dsb_sp_prod_idx == *bp->dsb_sp_prod) {
+ msleep(1);
+ }
+
+error:
+ if (!nomcp) {
+ rc = bnx2x_fw_command(bp, reset_code);
+ } else {
+ rc = FW_MSG_CODE_DRV_UNLOAD_COMMON;
+ }
+
+ /* Release IRQs */
+ if (fre_irq)
+ bnx2x_free_irq(bp);
+
+ /* Reset the chip */
+ bnx2x_reset_chip(bp, rc);
+
+ /* Report UNLOAD_DONE to MCP */
+ if (!nomcp) {
+ bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE);
+ }
+ /* Free SKBs and driver internals */
+ bnx2x_free_skbs(bp);
+ bnx2x_free_mem(bp);
+
+ bp->state = BNX2X_STATE_CLOSED;
+ /* Set link down */
+ bp->link_up = 0;
+ netif_carrier_off(bp->dev);
+
+ return 0;
+}
+
+/* end of nic load/unload */
+
+/* ethtool_ops */
+
+/****************************************************************************
+* Init service functions
+****************************************************************************/
+
+static void bnx2x_link_settings_supported(struct bnx2x *bp, u32 switch_cfg)
+{
+ int port = bp->port;
+ u32 ext_phy_type;
+
+ bp->phy_flags = 0;
+ bp->supported = (SUPPORTED_Autoneg |
+ SUPPORTED_Pause |
+ SUPPORTED_Asym_Pause);
+
+ switch (switch_cfg) {
+ case SWITCH_CFG_1G:
+ BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg);
+
+ ext_phy_type = SERDES_EXT_PHY_TYPE(bp);
+ switch (ext_phy_type) {
+ case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT:
+ BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
+ ext_phy_type);
+
+ bp->supported |= (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_2500baseT_Full |
+ SUPPORTED_TP | SUPPORTED_FIBRE);
+ break;
+
+ case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482:
+ BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n",
+ ext_phy_type);
+
+ bp->phy_flags |= PHY_SGMII_FLAG;
+
+ bp->supported |= (/* SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |*/
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_TP | SUPPORTED_FIBRE);
+ break;
+
+ default:
+ BNX2X_ERR("NVRAM config error. "
+ "BAD SerDes ext_phy_config 0x%x\n",
+ bp->ext_phy_config);
+ return;
+ }
+
+ bp->phy_addr = REG_RD(bp, GRCBASE_NIG,
+ NIG_REGISTERS_SERDES0_CTRL_PHY_ADDR +
+ port*0x10);
+ BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->phy_addr);
+ break;
+
+ case SWITCH_CFG_10G:
+ BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg);
+
+ bp->phy_flags |= PHY_XGXS_FLAG;
+
+ ext_phy_type = XGXS_EXT_PHY_TYPE(bp);
+ switch (ext_phy_type) {
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT:
+ BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n",
+ ext_phy_type);
+
+ bp->supported |= (SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_1000baseT_Full |
+ SUPPORTED_2500baseT_Full |
+ SUPPORTED_10000baseT_Full |
+ SUPPORTED_TP | SUPPORTED_FIBRE);
+ break;
+
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705:
+ case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706:
+ BNX2X_DEV_INFO("ext_phy_type 0x%x (8705/6)\n",
+ ext_phy_type);
+
+ bp->supported |= (SUPPORTED_10000baseT_Full |
+ SUPPORTED_FIBRE);
+ break;
+
+ default:
+ BNX2X_ERR("NVRAM config error. "
+ "BAD XGXS ext_phy_config 0x%x\n",
+ bp->ext_phy_config);
+ return;
+ }
+
+ bp->phy_addr = REG_RD(bp, GRCBASE_NIG,
+ NIG_REGISTERS_XGXS0_CTRL_PHY_ADDR +
+ port*0x18);
+ BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->phy_addr);
+
+ bp->ser_lane = ((bp->lane_config &
+ PORT_HW_CFG_LANE_SWAP_CFG_MASTER_MASK) >>
+ PORT_HW_CFG_LANE_SWAP_CFG_MASTER_SHIFT);
+ bp->rx_lane_swap = ((bp->lane_config &
+ PORT_HW_CFG_LANE_SWAP_CFG_RX_MASK) >>
+ PORT_HW_CFG_LANE_SWAP_CFG_RX_SHIFT);
+ bp->tx_lane_swap = ((bp->lane_config &
+ PORT_HW_CFG_LANE_SWAP_CFG_TX_MASK) >>
+ PORT_HW_CFG_LANE_SWAP_CFG_TX_SHIFT);
+ BNX2X_DEV_INFO("rx_lane_swap 0x%x tx_lane_swap 0x%x\n",
+ bp->rx_lane_swap, bp->tx_lane_swap);
+ break;
+
+ default:
+ BNX2X_ERR("BAD switch_cfg link_config 0x%x\n",
+ bp->link_config);
+ return;
+ }
+
+ /* mask what we support according to speed_cap_mask */
+ if (!(bp->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) {
+ bp->supported &= ~SUPPORTED_10baseT_Half;
+ }
+ if (!(bp->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL)) {
+ bp->supported &= ~SUPPORTED_10baseT_Full;
+ }
+ if (!(bp->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) {
+ bp->supported &= ~SUPPORTED_100baseT_Half;
+ }
+ if (!(bp->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL)) {
+ bp->supported &= ~SUPPORTED_100baseT_Full;
+ }
+ if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) {
+ bp->supported &= ~(SUPPORTED_1000baseT_Half |
+ SUPPORTED_1000baseT_Full);
+ }
+ if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) {
+ bp->supported &= ~SUPPORTED_2500baseT_Full;
+ }
+ if (!(bp->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) {
+ bp->supported &= ~SUPPORTED_10000baseT_Full;
+ }
+ BNX2X_DEV_INFO("supported 0x%x\n", bp->supported);
+}
+
+static void bnx2x_link_settings_requested(struct bnx2x *bp)
+{
+ bp->req_autoneg = 0;
+ bp->req_duplex = DUPLEX_FULL;
+ switch (bp->link_config & PORT_FEATURE_LINK_SPEED_MASK) {
+ case PORT_FEATURE_LINK_SPEED_AUTO:
+ bp->req_autoneg |= AUTONEG_SPEED;
+ bp->req_line_speed = 0;
+ bp->advertising = bp->supported;
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_10M_FULL:
+ if (bp->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) {
+ bp->req_line_speed = SPEED_10;
+ bp->advertising = (ADVERTISED_10baseT_Full |
+ ADVERTISED_TP);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->link_config, bp->speed_cap_mask);
+ return;
+ }
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_10M_HALF:
+ if (bp->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) {
+ bp->req_line_speed = SPEED_10;
+ bp->req_duplex = DUPLEX_HALF;
+ bp->advertising = (ADVERTISED_10baseT_Half |
+ ADVERTISED_TP);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->link_config, bp->speed_cap_mask);
+ return;
+ }
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_100M_FULL:
+ if (bp->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
+ bp->req_line_speed = SPEED_100;
+ bp->advertising = (ADVERTISED_100baseT_Full |
+ ADVERTISED_TP);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->link_config, bp->speed_cap_mask);
+ return;
+ }
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_100M_HALF:
+ if (bp->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
+ bp->req_line_speed = SPEED_100;
+ bp->req_duplex = DUPLEX_HALF;
+ bp->advertising = (ADVERTISED_100baseT_Half |
+ ADVERTISED_TP);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->link_config, bp->speed_cap_mask);
+ return;
+ }
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_1G:
+ if (bp->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) {
+ bp->req_line_speed = SPEED_1000;
+ bp->advertising = (ADVERTISED_1000baseT_Full |
+ ADVERTISED_TP);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->link_config, bp->speed_cap_mask);
+ return;
+ }
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_2_5G:
+ if (bp->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G) {
+ bp->req_line_speed = SPEED_2500;
+ bp->advertising = (ADVERTISED_2500baseT_Full |
+ ADVERTISED_TP);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->link_config, bp->speed_cap_mask);
+ return;
+ }
+ break;
+
+ case PORT_FEATURE_LINK_SPEED_10G_CX4:
+ case PORT_FEATURE_LINK_SPEED_10G_KX4:
+ case PORT_FEATURE_LINK_SPEED_10G_KR:
+ if (!(bp->phy_flags & PHY_XGXS_FLAG)) {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " phy_flags 0x%x\n",
+ bp->link_config, bp->phy_flags);
+ return;
+ }
+ if (bp->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10G) {
+ bp->req_line_speed = SPEED_10000;
+ bp->advertising = (ADVERTISED_10000baseT_Full |
+ ADVERTISED_FIBRE);
+ } else {
+ BNX2X_ERR("NVRAM config error. "
+ "Invalid link_config 0x%x"
+ " speed_cap_mask 0x%x\n",
+ bp->link_config, bp->speed_cap_mask);
+ return;
+ }
+ break;
+
+ default:
+ BNX2X_ERR("NVRAM config error. "
+ "BAD link speed link_config 0x%x\n",
+ bp->link_config);
+ bp->req_autoneg |= AUTONEG_SPEED;
+ bp->req_line_speed = 0;
+ bp->advertising = bp->supported;
+ break;
+ }
+ BNX2X_DEV_INFO("req_line_speed %d req_duplex %d\n",
+ bp->req_line_speed, bp->req_duplex);
+
+ bp->req_flow_ctrl = (bp->link_config &
+ PORT_FEATURE_FLOW_CONTROL_MASK);
+ /* Please refer to Table 28B-3 of the 802.3ab-1999 spec */
+ switch (bp->req_flow_ctrl) {
+ case FLOW_CTRL_AUTO:
+ bp->req_autoneg |= AUTONEG_FLOW_CTRL;
+ bp->pause_mode = PAUSE_BOTH;
+ bp->advertising |= (ADVERTISED_Pause |
+ ADVERTISED_Asym_Pause);
+ break;
+
+ case FLOW_CTRL_TX:
+ bp->pause_mode = PAUSE_ASYMMETRIC;
+ bp->advertising |= ADVERTISED_Asym_Pause;
+ break;
+
+ case FLOW_CTRL_RX:
+ bp->pause_mode = PAUSE_BOTH;
+ bp->advertising |= (ADVERTISED_Pause |
+ ADVERTISED_Asym_Pause);
+ break;
+
+ case FLOW_CTRL_BOTH:
+ bp->pause_mode = PAUSE_SYMMETRIC;
+ bp->advertising |= ADVERTISED_Pause;
+ break;
+
+ case FLOW_CTRL_NONE:
+ default:
+ bp->pause_mode = PAUSE_NONE;
+ bp->advertising &= ~(ADVERTISED_Pause |
+ ADVERTISED_Asym_Pause);
+ break;
+ }
+ BNX2X_DEV_INFO("req_autoneg 0x%x req_flow_ctrl 0x%x\n"
+ KERN_INFO " pause_mode %d advertising 0x%x\n",
+ bp->req_autoneg, bp->req_flow_ctrl,
+ bp->pause_mode, bp->advertising);
+}
+
+static void bnx2x_get_hwinfo(struct bnx2x *bp)
+{
+ u32 val, val2, val3, val4, id;
+ int port = bp->port;
+ u32 switch_cfg;
+
+ bp->shmem_base = REG_RD(bp, GRCBASE_MISC,
+ MISC_REGISTERS_SHARED_MEM_ADDR);
+ BNX2X_DEV_INFO("shmem offset is %x\n", bp->shmem_base);
+
+ /* 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, GRCBASE_MISC, MISC_REGISTERS_CHIP_NUM);
+ id = ((val & 0xffff) << 16);
+ val = REG_RD(bp, GRCBASE_MISC, MISC_REGISTERS_CHIP_REV);
+ id |= ((val & 0xf) << 12);
+ val = REG_RD(bp, GRCBASE_MISC, MISC_REGISTERS_CHIP_METAL);
+ id |= ((val & 0xff) << 4);
+ REG_RD(bp, GRCBASE_MISC, MISC_REGISTERS_BOND_ID);
+ id |= (val & 0xf);
+ bp->chip_id = id;
+ BNX2X_DEV_INFO("chip ID is %x\n", id);
+
+ if (!bp->shmem_base || (bp->shmem_base != 0xAF900)) {
+ BNX2X_DEV_INFO("MCP not active\n");
+ nomcp = 1;
+ goto set_mac;
+ }
+
+ val = SHMEM_RD(bp, validity_map[port]);
+ if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB))
+ != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) {
+ BNX2X_ERR("MCP validity signature bad\n");
+ }
+
+ bp->fw_seq = (SHMEM_RD(bp, drv_fw_mb[port].drv_mb_header) &
+ DRV_MSG_SEQ_NUMBER_MASK);
+
+ bp->hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config);
+
+ bp->serdes_config =
+ SHMEM_RD(bp, dev_info.port_hw_config[bp->port].serdes_config);
+ bp->lane_config =
+ SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config);
+ bp->ext_phy_config =
+ SHMEM_RD(bp,
+ dev_info.port_hw_config[port].external_phy_config);
+ bp->speed_cap_mask =
+ SHMEM_RD(bp,
+ dev_info.port_hw_config[port].speed_capability_mask);
+
+ bp->link_config =
+ SHMEM_RD(bp, dev_info.port_feature_config[port].link_config);
+
+ BNX2X_DEV_INFO("hw_config (%08x) serdes_config (%08x)\n"
+ KERN_INFO " lane_config (%08x) ext_phy_config (%08x)\n"
+ KERN_INFO " speed_cap_mask (%08x) link_config (%08x)"
+ " fw_seq (%08x)\n",
+ bp->hw_config, bp->serdes_config, bp->lane_config,
+ bp->ext_phy_config, bp->speed_cap_mask,
+ bp->link_config, bp->fw_seq);
+
+ switch_cfg = (bp->link_config & PORT_FEATURE_CONNECTED_SWITCH_MASK);
+ bnx2x_link_settings_supported(bp, switch_cfg);
+
+ bp->autoneg = (bp->hw_config & SHARED_HW_CFG_AN_ENABLE_MASK);
+ /* for now disable cl73 */
+ bp->autoneg &= ~SHARED_HW_CFG_AN_ENABLE_CL73;
+ BNX2X_DEV_INFO("autoneg 0x%x\n", bp->autoneg);
+
+ bnx2x_link_settings_requested(bp);
+
+ val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
+ val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
+ 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->dev->perm_addr, bp->dev->dev_addr, 6);
+
+ 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]);
+
+ printk(KERN_INFO PFX "part number %X-%X-%X-%X\n",
+ val, val2, val3, val4);
+
+ /* bc ver */
+ if (!nomcp) {
+ bp->bc_ver = val = ((SHMEM_RD(bp, dev_info.bc_rev)) >> 8);
+ BNX2X_DEV_INFO("bc_ver %X\n", val);
+ if (val < BNX2X_BC_VER) {
+ /* for now only warn
+ * later we might need to enforce this */
+ BNX2X_ERR("This driver needs bc_ver %X but found %X,"
+ " please upgrade BC\n", BNX2X_BC_VER, val);
+ }
+ } else {
+ bp->bc_ver = 0;
+ }
+
+ val = REG_RD(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_CFG4);
+ bp->flash_size = (NVRAM_1MB_SIZE << (val & MCPR_NVM_CFG4_FLASH_SIZE));
+ BNX2X_DEV_INFO("flash_size 0x%x (%d)\n",
+ bp->flash_size, bp->flash_size);
+
+ return;
+
+set_mac: /* only supposed to happen on emulation/FPGA */
+ BNX2X_ERR("warning constant MAC workaround active\n");
+ bp->dev->dev_addr[0] = 0;
+ bp->dev->dev_addr[1] = 0x50;
+ bp->dev->dev_addr[2] = 0xc2;
+ bp->dev->dev_addr[3] = 0x2c;
+ bp->dev->dev_addr[4] = 0x71;
+ bp->dev->dev_addr[5] = port? 0x0d:0x0e;
+
+ memcpy(bp->dev->perm_addr, bp->dev->dev_addr, 6);
+}
+
+
+/****************************************************************************
+* ethtool service functions
+****************************************************************************/
+/* All ethtool functions called with rtnl_lock */
+
+static int bnx2x_get_settings(struct net_device *dev, struct
ethtool_cmd *cmd)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ cmd->supported = bp->supported;
+ cmd->advertising = bp->advertising;
+
+ if (netif_carrier_ok(dev)) {
+ cmd->speed = bp->line_speed;
+ cmd->duplex = bp->duplex;
+ } else {
+ cmd->speed = bp->req_line_speed;
+ cmd->duplex = bp->req_duplex;
+ }
+
+ if (bp->phy_flags & PHY_XGXS_FLAG) {
+ cmd->port = PORT_FIBRE;
+ } else {
+ cmd->port = PORT_TP;
+ }
+
+ cmd->phy_address = bp->phy_addr;
+ cmd->transceiver = XCVR_INTERNAL;
+
+ if (bp->req_autoneg & AUTONEG_SPEED) {
+ cmd->autoneg = AUTONEG_ENABLE;
+ } else {
+ cmd->autoneg = AUTONEG_DISABLE;
+ }
+
+ DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
+ DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
+ DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
+ DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
+ cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
+ cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
+ cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
+
+ return 0;
+}
+
+static int bnx2x_set_settings(struct net_device *dev, struct
ethtool_cmd *cmd)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ u32 advertising;
+
+ DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
+ DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n"
+ DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n"
+ DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n",
+ cmd->cmd, cmd->supported, cmd->advertising, cmd->speed,
+ cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
+ cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
+
+ switch (cmd->port) {
+ case PORT_TP:
+ if (!(bp->supported & SUPPORTED_TP)) {
+ return -EINVAL;
+ }
+ if (bp->phy_flags & PHY_XGXS_FLAG) {
+ bnx2x_link_reset(bp);
+ bnx2x_link_settings_supported(bp, SWITCH_CFG_1G);
+ bnx2x_phy_deassert(bp);
+ }
+ break;
+
+ case PORT_FIBRE:
+ if (!(bp->supported & SUPPORTED_FIBRE)) {
+ return -EINVAL;
+ }
+ if (!(bp->phy_flags & PHY_XGXS_FLAG)) {
+ bnx2x_link_reset(bp);
+ bnx2x_link_settings_supported(bp, SWITCH_CFG_10G);
+ bnx2x_phy_deassert(bp);
+ }
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ if (cmd->autoneg == AUTONEG_ENABLE) {
+ /* advertise the requested speed and duplex if supported */
+ cmd->advertising &= bp->supported;
+
+ bp->req_autoneg |= AUTONEG_SPEED;
+ bp->req_line_speed = 0;
+ bp->req_duplex = DUPLEX_FULL;
+ bp->advertising |= (ADVERTISED_Autoneg | cmd->advertising);
+
+ } else { /* forced mode */
+ /* advertise the requested speed and duplex if supported */
+ switch (cmd->speed) {
+ case SPEED_10:
+ if (cmd->duplex == DUPLEX_FULL) {
+ if (!(bp->supported &
+ SUPPORTED_10baseT_Full)) {
+ return -EINVAL;
+ }
+ advertising = (ADVERTISED_10baseT_Full |
+ ADVERTISED_TP);
+ } else {
+ if (!(bp->supported &
+ SUPPORTED_10baseT_Half)) {
+ return -EINVAL;
+ }
+ advertising = (ADVERTISED_10baseT_Half |
+ ADVERTISED_TP);
+ }
+ break;
+
+ case SPEED_100:
+ if (cmd->duplex == DUPLEX_FULL) {
+ if (!(bp->supported &
+ SUPPORTED_100baseT_Full)) {
+ return -EINVAL;
+ }
+ advertising = (ADVERTISED_100baseT_Full |
+ ADVERTISED_TP);
+ } else {
+ if (!(bp->supported &
+ SUPPORTED_100baseT_Half)) {
+ return -EINVAL;
+ }
+ advertising = (ADVERTISED_100baseT_Half |
+ ADVERTISED_TP);
+ }
+ break;
+
+ case SPEED_1000:
+ if (cmd->duplex != DUPLEX_FULL) {
+ return -EINVAL;
+ }
+ if (!(bp->supported & SUPPORTED_1000baseT_Full)) {
+ return -EINVAL;
+ }
+ advertising = (ADVERTISED_1000baseT_Full |
+ ADVERTISED_TP);
+ break;
+
+ case SPEED_2500:
+ if (cmd->duplex != DUPLEX_FULL) {
+ return -EINVAL;
+ }
+ if (!(bp->supported & SUPPORTED_2500baseT_Full)) {
+ return -EINVAL;
+ }
+ advertising = (ADVERTISED_2500baseT_Full |
+ ADVERTISED_TP);
+ break;
+
+ case SPEED_10000:
+ if (cmd->duplex != DUPLEX_FULL) {
+ return -EINVAL;
+ }
+ if (!(bp->supported & SUPPORTED_10000baseT_Full)) {
+ return -EINVAL;
+ }
+ advertising = (ADVERTISED_10000baseT_Full |
+ ADVERTISED_FIBRE);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ bp->req_autoneg &= ~AUTONEG_SPEED;
+ bp->req_line_speed = cmd->speed;
+ bp->req_duplex = cmd->duplex;
+ bp->advertising = advertising;
+ }
+
+ DP(NETIF_MSG_LINK, "req_autoneg 0x%x req_line_speed %d\n"
+ DP_LEVEL " req_duplex %d advertising 0x%x\n",
+ bp->req_autoneg, bp->req_line_speed, bp->req_duplex,
+ bp->advertising);
+
+ bnx2x_stop_stats(bp);
+ bnx2x_link_initialize(bp);
+
+ return 0;
+}
+
+static void bnx2x_get_drvinfo(struct net_device *dev,
+ struct ethtool_drvinfo *info)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ strcpy(info->driver, DRV_MODULE_NAME);
+ strcpy(info->version, DRV_MODULE_VERSION);
+ snprintf(info->fw_version, 32, "%d.%d.%d:%d (BC VER %x)",
+ BCM_5710_FW_MAJOR_VERSION, BCM_5710_FW_MINOR_VERSION,
+ BCM_5710_FW_REVISION_VERSION, BCM_5710_FW_COMPILE_FLAGS,
+ bp->bc_ver);
+ strcpy(info->bus_info, pci_name(bp->pdev));
+ info->n_stats = BNX2X_NUM_STATS;
+ info->testinfo_len = BNX2X_NUM_TESTS;
+ info->eedump_len = bp->flash_size;
+ info->regdump_len = 0;
+}
+
+static void bnx2x_get_wol(struct net_device *dev, struct
ethtool_wolinfo *wol)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ if (bp->flags & NO_WOL_FLAG) {
+ wol->supported = 0;
+ wol->wolopts = 0;
+ } else {
+ wol->supported = WAKE_MAGIC;
+ if (bp->wol)
+ wol->wolopts = WAKE_MAGIC;
+ else
+ wol->wolopts = 0;
+ }
+ memset(&wol->sopass, 0, sizeof(wol->sopass));
+}
+
+static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo
*wol)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ if (wol->wolopts & ~WAKE_MAGIC)
+ return -EINVAL;
+
+ if (wol->wolopts & WAKE_MAGIC) {
+ if (bp->flags & NO_WOL_FLAG)
+ return -EINVAL;
+
+ bp->wol = 1;
+ } else {
+ bp->wol = 0;
+ }
+ return 0;
+}
+
+static u32 bnx2x_get_msglevel(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ return bp->msglevel;
+}
+
+static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ if (capable(CAP_NET_ADMIN))
+ bp->msglevel = level;
+}
+
+static int bnx2x_nway_reset(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ bnx2x_stop_stats(bp);
+ bnx2x_link_initialize(bp);
+
+ return 0;
+}
+
+static int bnx2x_get_eeprom_len(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ return bp->flash_size;
+}
+
+static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
+{
+ int port = bp->port;
+ int count, i;
+ u32 val = 0;
+
+ /* adjust timeout for emulation/FPGA */
+ count = NVRAM_TIMEOUT_COUNT;
+ if (CHIP_REV(bp) == CHIP_REV_EMUL)
+ count *= 100;
+
+ /* request access to nvram interface */
+ REG_WR(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_SW_ARB,
+ (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
+
+ for (i = 0; i < count*10; i++) {
+ val = REG_RD(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_SW_ARB);
+ if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
+ break;
+ }
+
+ udelay(5);
+ }
+
+ if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
+ DP(NETIF_MSG_NVM, "cannot get access to nvram interface\n");
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+static int bnx2x_release_nvram_lock(struct bnx2x *bp)
+{
+ int port = bp->port;
+ int count, i;
+ u32 val = 0;
+
+ /* adjust timeout for emulation/FPGA */
+ count = NVRAM_TIMEOUT_COUNT;
+ if (CHIP_REV(bp) == CHIP_REV_EMUL)
+ count *= 100;
+
+ /* relinquish nvram interface */
+ REG_WR(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_SW_ARB,
+ (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
+
+ for (i = 0; i < count*10; i++) {
+ val = REG_RD(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_SW_ARB);
+ if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
+ break;
+ }
+
+ udelay(5);
+ }
+
+ if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
+ DP(NETIF_MSG_NVM, "cannot free access to nvram interface\n");
+ return -EBUSY;
+ }
+
+ return 0;
+}
+
+static void bnx2x_enable_nvram_access(struct bnx2x *bp)
+{
+ u32 val;
+
+ val = REG_RD(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
+
+ /* enable both bits, even on read */
+ REG_WR(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
+ (val | MCPR_NVM_ACCESS_ENABLE_EN |
+ MCPR_NVM_ACCESS_ENABLE_WR_EN));
+}
+
+static void bnx2x_disable_nvram_access(struct bnx2x *bp)
+{
+ u32 val;
+
+ val = REG_RD(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
+
+ /* disable both bits, even after read */
+ REG_WR(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
+ (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
+ MCPR_NVM_ACCESS_ENABLE_WR_EN)));
+}
+
+static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32
*ret_val,
+ u32 cmd_flags)
+{
+ int rc;
+ int count, i;
+ u32 val;
+
+ /* build the command word */
+ cmd_flags |= MCPR_NVM_COMMAND_DOIT;
+
+ /* need to clear DONE bit separately */
+ REG_WR(bp, GRCBASE_MCP,
+ MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
+
+ /* address of the NVRAM to read from */
+ REG_WR(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_ADDR,
+ (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
+
+ /* issue a read command */
+ REG_WR(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
+
+ /* adjust timeout for emulation/FPGA */
+ count = NVRAM_TIMEOUT_COUNT;
+ if (CHIP_REV(bp) == CHIP_REV_EMUL)
+ count *= 100;
+
+ /* wait for completion */
+ *ret_val = 0;
+ rc = -EBUSY;
+ for (i = 0; i < count; i++) {
+ udelay(5);
+ val = REG_RD(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_COMMAND);
+
+ if (val & MCPR_NVM_COMMAND_DONE) {
+ val = REG_RD(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_READ);
+ DP(NETIF_MSG_NVM, "val 0x%08x\n", val);
+ /* we read nvram data in cpu order
+ * but ethtool sees it as an array of bytes
+ * converting to big-endian will do the work */
+ val = cpu_to_be32(val);
+ *ret_val = val;
+ rc = 0;
+ break;
+ }
+ }
+
+ return rc;
+}
+
+static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
+ int buf_size)
+{
+ int rc;
+ u32 cmd_flags;
+ u32 val;
+
+ if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
+ DP(NETIF_MSG_NVM,
+ "Invalid paramter: offset 0x%x buf_size 0x%x\n",
+ offset, buf_size);
+ return -EINVAL;
+ }
+
+ if (offset + buf_size > bp->flash_size) {
+ DP(NETIF_MSG_NVM, "Invalid paramter: offset (0x%x) +"
+ " buf_size (0x%x) > flash_size (0x%x)\n",
+ offset, buf_size, bp->flash_size);
+ return -EINVAL;
+ }
+
+ /* request access to nvram interface */
+ rc = bnx2x_acquire_nvram_lock(bp);
+ if (rc) {
+ return rc;
+ }
+
+ /* enable access to nvram interface */
+ bnx2x_enable_nvram_access(bp);
+
+ /* read the first word(s) */
+ cmd_flags = MCPR_NVM_COMMAND_FIRST;
+ while ((buf_size > sizeof(u32)) && (rc == 0)) {
+ rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
+ memcpy(ret_buf, &val, 4);
+
+ /* advance to the next dword */
+ offset += sizeof(u32);
+ ret_buf += sizeof(u32);
+ buf_size -= sizeof(u32);
+ cmd_flags = 0;
+ }
+
+ if (rc == 0) {
+ cmd_flags |= MCPR_NVM_COMMAND_LAST;
+ rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
+ memcpy(ret_buf, &val, 4);
+ }
+
+ /* disable access to nvram interface */
+ bnx2x_disable_nvram_access(bp);
+ bnx2x_release_nvram_lock(bp);
+
+ return rc;
+}
+
+static int bnx2x_get_eeprom(struct net_device *dev,
+ struct ethtool_eeprom *eeprom, u8 *eebuf)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ int rc;
+
+ DP(NETIF_MSG_NVM, "ethtool_eeprom: cmd %d\n"
+ DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
+ eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
+ eeprom->len, eeprom->len);
+
+ /* parameters already validated in ethtool_get_eeprom */
+
+ rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
+
+ return rc;
+}
+
+static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
+ u32 cmd_flags)
+{
+ int rc;
+ int count, i;
+
+ /* build the command word */
+ cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
+
+ /* need to clear DONE bit separately */
+ REG_WR(bp, GRCBASE_MCP,
+ MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
+
+ /* write the data */
+ REG_WR(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_WRITE, val);
+
+ /* address of the NVRAM to write to */
+ REG_WR(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_ADDR,
+ (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
+
+ /* issue the write command */
+ REG_WR(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
+
+ /* adjust timeout for emulation/FPGA */
+ count = NVRAM_TIMEOUT_COUNT;
+ if (CHIP_REV(bp) == CHIP_REV_EMUL)
+ count *= 100;
+
+ /* wait for completion */
+ rc = -EBUSY;
+ for (i = 0; i < count; i++) {
+ udelay(5);
+ val = REG_RD(bp, GRCBASE_MCP, MCP_REG_MCPR_NVM_COMMAND);
+ if (val & MCPR_NVM_COMMAND_DONE) {
+ rc = 0;
+ break;
+ }
+ }
+
+ return rc;
+}
+
+#define BYTE_OFFSET(offset) (8 * (offset & 0x03))
+
+static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
+ int buf_size)
+{
+ int rc;
+ u32 cmd_flags;
+ u32 align_offset;
+ u32 val;
+
+ if (offset + buf_size > bp->flash_size) {
+ DP(NETIF_MSG_NVM, "Invalid paramter: offset (0x%x) +"
+ " buf_size (0x%x) > flash_size (0x%x)\n",
+ offset, buf_size, bp->flash_size);
+ return -EINVAL;
+ }
+
+ /* request access to nvram interface */
+ rc = bnx2x_acquire_nvram_lock(bp);
+ if (rc) {
+ return rc;
+ }
+
+ /* enable access to nvram interface */
+ bnx2x_enable_nvram_access(bp);
+
+ cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
+ align_offset = (offset & ~0x03);
+ rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
+
+ if (rc == 0) {
+ val &= ~(0xff << BYTE_OFFSET(offset));
+ val |= (*data_buf << BYTE_OFFSET(offset));
+
+ /* nvram data is returned as an array of bytes
+ * convert it back to cpu order */
+ val = be32_to_cpu(val);
+
+ DP(NETIF_MSG_NVM, "val 0x%08x\n", val);
+
+ rc = bnx2x_nvram_write_dword(bp, align_offset, val,
+ cmd_flags);
+ }
+
+ /* disable access to nvram interface */
+ bnx2x_disable_nvram_access(bp);
+ bnx2x_release_nvram_lock(bp);
+
+ return rc;
+}
+
+static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
+ int buf_size)
+{
+ int rc;
+ u32 cmd_flags;
+ u32 val;
+ u32 written_so_far;
+
+ if (buf_size == 1) { /* ethtool */
+ return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
+ }
+
+ if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
+ DP(NETIF_MSG_NVM,
+ "Invalid paramter: offset 0x%x buf_size 0x%x\n",
+ offset, buf_size);
+ return -EINVAL;
+ }
+
+ if (offset + buf_size > bp->flash_size) {
+ DP(NETIF_MSG_NVM, "Invalid paramter: offset (0x%x) +"
+ " buf_size (0x%x) > flash_size (0x%x)\n",
+ offset, buf_size, bp->flash_size);
+ return -EINVAL;
+ }
+
+ /* request access to nvram interface */
+ rc = bnx2x_acquire_nvram_lock(bp);
+ if (rc) {
+ return rc;
+ }
+
+ /* enable access to nvram interface */
+ bnx2x_enable_nvram_access(bp);
+
+ written_so_far = 0;
+ cmd_flags = MCPR_NVM_COMMAND_FIRST;
+ while ((written_so_far < buf_size) && (rc == 0)) {
+ if (written_so_far == (buf_size - sizeof(u32)))
+ cmd_flags |= MCPR_NVM_COMMAND_LAST;
+ else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
+ cmd_flags |= MCPR_NVM_COMMAND_LAST;
+ else if ((offset % NVRAM_PAGE_SIZE) == 0)
+ cmd_flags |= MCPR_NVM_COMMAND_FIRST;
+
+ memcpy(&val, data_buf, 4);
+ DP(NETIF_MSG_NVM, "val 0x%08x\n", val);
+
+ rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
+
+ /* advance to the next dword */
+ offset += sizeof(u32);
+ data_buf += sizeof(u32);
+ written_so_far += sizeof(u32);
+ cmd_flags = 0;
+ }
+
+ /* disable access to nvram interface */
+ bnx2x_disable_nvram_access(bp);
+ bnx2x_release_nvram_lock(bp);
+
+ return rc;
+}
+
+static int bnx2x_set_eeprom(struct net_device *dev,
+ struct ethtool_eeprom *eeprom, u8 *eebuf)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ int rc;
+
+ DP(NETIF_MSG_NVM, "ethtool_eeprom: cmd %d\n"
+ DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
+ eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
+ eeprom->len, eeprom->len);
+
+ /* parameters already validated in ethtool_set_eeprom */
+
+ rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
+
+ return rc;
+}
+
+static int bnx2x_get_coalesce(struct net_device *dev,
+ struct ethtool_coalesce *coal)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ memset(coal, 0, sizeof(struct ethtool_coalesce));
+
+ coal->rx_coalesce_usecs = bp->rx_ticks;
+ coal->tx_coalesce_usecs = bp->tx_ticks;
+ coal->stats_block_coalesce_usecs = bp->stats_ticks;
+
+ return 0;
+}
+
+static int bnx2x_set_coalesce(struct net_device *dev,
+ struct ethtool_coalesce *coal)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ bp->rx_ticks = (u16) coal->rx_coalesce_usecs;
+ if (bp->rx_ticks > 3000)
+ bp->rx_ticks = 3000;
+
+ bp->tx_ticks = (u16) coal->tx_coalesce_usecs;
+ if (bp->tx_ticks > 0x3000)
+ bp->tx_ticks = 0x3000;
+
+ bp->stats_ticks = coal->stats_block_coalesce_usecs;
+ if (bp->stats_ticks > 0xffff00)
+ bp->stats_ticks = 0xffff00;
+ bp->stats_ticks &= 0xffff00;
+
+ if (netif_running(bp->dev)) {
+ bnx2x_update_coalesce(bp);
+ }
+
+ return 0;
+}
+
+static void bnx2x_get_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ering)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ ering->rx_max_pending = MAX_RX_AVAIL;
+ ering->rx_mini_max_pending = 0;
+ ering->rx_jumbo_max_pending = 0;
+
+ ering->rx_pending = bp->rx_ring_size;
+ ering->rx_mini_pending = 0;
+ ering->rx_jumbo_pending = 0;
+
+ ering->tx_max_pending = MAX_TX_AVAIL;
+ ering->tx_pending = bp->tx_ring_size;
+}
+
+static int bnx2x_set_ringparam(struct net_device *dev,
+ struct ethtool_ringparam *ering)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ if ((ering->rx_pending > MAX_RX_AVAIL) ||
+ (ering->tx_pending > MAX_TX_AVAIL) ||
+ (ering->tx_pending <= MAX_SKB_FRAGS + 4)) {
+
+ return -EINVAL;
+ }
+ bp->rx_ring_size = ering->rx_pending;
+ bp->tx_ring_size = ering->tx_pending;
+
+ if (netif_running(bp->dev)) {
+ bnx2x_nic_unload(bp, 0);
+ bnx2x_nic_load(bp, 0);
+ }
+
+ return 0;
+}
+
+static void bnx2x_get_pauseparam(struct net_device *dev,
+ struct ethtool_pauseparam *epause)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ epause->autoneg =
+ ((bp->req_autoneg & AUTONEG_FLOW_CTRL) == AUTONEG_FLOW_CTRL);
+ epause->rx_pause = ((bp->flow_ctrl & FLOW_CTRL_RX) == FLOW_CTRL_RX);
+ epause->tx_pause = ((bp->flow_ctrl & FLOW_CTRL_TX) == FLOW_CTRL_TX);
+
+ DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
+ DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
+ epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
+}
+
+static int bnx2x_set_pauseparam(struct net_device *dev,
+ struct ethtool_pauseparam *epause)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
+ DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n",
+ epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
+
+ bp->req_flow_ctrl = FLOW_CTRL_AUTO;
+ if (epause->autoneg) {
+ bp->req_autoneg |= AUTONEG_FLOW_CTRL;
+ bp->pause_mode = PAUSE_BOTH;
+ bp->advertising |= (ADVERTISED_Pause |
+ ADVERTISED_Asym_Pause);
+
+ } else {
+ bp->req_autoneg &= ~AUTONEG_FLOW_CTRL;
+
+ if (epause->rx_pause)
+ bp->req_flow_ctrl |= FLOW_CTRL_RX;
+ if (epause->tx_pause)
+ bp->req_flow_ctrl |= FLOW_CTRL_TX;
+
+ switch (bp->req_flow_ctrl) {
+ case FLOW_CTRL_AUTO:
+ bp->req_flow_ctrl = FLOW_CTRL_NONE;
+ bp->pause_mode = PAUSE_NONE;
+ bp->advertising &= ~(ADVERTISED_Pause |
+ ADVERTISED_Asym_Pause);
+ break;
+
+ case FLOW_CTRL_TX:
+ bp->pause_mode = PAUSE_ASYMMETRIC;
+ bp->advertising |= ADVERTISED_Asym_Pause;
+ break;
+
+ case FLOW_CTRL_RX:
+ bp->pause_mode = PAUSE_BOTH;
+ bp->advertising |= (ADVERTISED_Pause |
+ ADVERTISED_Asym_Pause);
+ break;
+
+ case FLOW_CTRL_BOTH:
+ bp->pause_mode = PAUSE_SYMMETRIC;
+ bp->advertising |= ADVERTISED_Pause;
+ break;
+ }
+ }
+
+ DP(NETIF_MSG_LINK, "req_autoneg 0x%x req_flow_ctrl 0x%x\n"
+ DP_LEVEL " pause_mode %d advertising 0x%x\n",
+ bp->req_autoneg, bp->req_flow_ctrl, bp->pause_mode,
+ bp->advertising);
+
+ bnx2x_stop_stats(bp);
+ bnx2x_link_initialize(bp);
+
+ return 0;
+}
+
+static u32 bnx2x_get_rx_csum(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ return bp->rx_csum;
+}
+
+static int bnx2x_set_rx_csum(struct net_device *dev, u32 data)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ bp->rx_csum = data;
+ return 0;
+}
+
+static int bnx2x_set_tso(struct net_device *dev, u32 data)
+{
+ if (data)
+ dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN);
+ else
+ dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN);
+ return 0;
+}
+
+static struct {
+ char string[ETH_GSTRING_LEN];
+} bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
+ { "idle check (online)" },
+ { "MC Errors (online)" }
+};
+
+static int bnx2x_self_test_count(struct net_device *dev)
+{
+ return BNX2X_NUM_TESTS;
+}
+
+static void bnx2x_self_test(struct net_device *dev,
+ struct ethtool_test *etest, u64 *buf)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
+
+ if (bnx2x_idle_chk(bp) != 0) {
+ buf[0] = 1;
+ etest->flags |= ETH_TEST_FL_FAILED;
+ }
+ if (bnx2x_mc_assert(bp)) {
+ buf[1] = 1;
+ etest->flags |= ETH_TEST_FL_FAILED;
+ }
+ bnx2x_panic_dump(bp);
+}
+
+static struct {
+ char string[ETH_GSTRING_LEN];
+} bnx2x_stats_str_arr[BNX2X_NUM_STATS] = {
+ { "rx_bytes"}, /* 0 */
+ { "rx_error_bytes"}, /* 1 */
+ { "tx_bytes"}, /* 2 */
+ { "tx_error_bytes"}, /* 3 */
+ { "rx_ucast_packets"}, /* 4 */
+ { "rx_mcast_packets"}, /* 5 */
+ { "rx_bcast_packets"}, /* 6 */
+ { "tx_ucast_packets"}, /* 7 */
+ { "tx_mcast_packets"}, /* 8 */
+ { "tx_bcast_packets"}, /* 9 */
+ { "tx_mac_errors"}, /* 10 */
+ { "tx_carrier_errors"}, /* 11 */
+ { "rx_crc_errors"}, /* 12 */
+ { "rx_align_errors"}, /* 13 */
+ { "tx_single_collisions"}, /* 14 */
+ { "tx_multi_collisions"}, /* 15 */
+ { "tx_deferred"}, /* 16 */
+ { "tx_excess_collisions"}, /* 17 */
+ { "tx_late_collisions"}, /* 18 */
+ { "tx_total_collisions"}, /* 19 */
+ { "rx_fragments"}, /* 20 */
+ { "rx_jabbers"}, /* 21 */
+ { "rx_undersize_packets"}, /* 22 */
+ { "rx_oversize_packets"}, /* 23 */
+ { "rx_64_byte_packets"}, /* 24 */
+ { "rx_65_to_127_byte_packets"}, /* 25 */
+ { "rx_128_to_255_byte_packets"}, /* 26 */
+ { "rx_256_to_511_byte_packets"}, /* 27 */
+ { "rx_512_to_1023_byte_packets"}, /* 28 */
+ { "rx_1024_to_1522_byte_packets"}, /* 29 */
+ { "rx_1523_to_9022_byte_packets"}, /* 30 */
+ { "tx_64_byte_packets"}, /* 31 */
+ { "tx_65_to_127_byte_packets"}, /* 32 */
+ { "tx_128_to_255_byte_packets"}, /* 33 */
+ { "tx_256_to_511_byte_packets"}, /* 34 */
+ { "tx_512_to_1023_byte_packets"}, /* 35 */
+ { "tx_1024_to_1522_byte_packets"}, /* 36 */
+ { "tx_1523_to_9022_byte_packets"}, /* 37 */
+ { "rx_xon_frames"}, /* 38 */
+ { "rx_xoff_frames"}, /* 39 */
+ { "tx_xon_frames"}, /* 40 */
+ { "tx_xoff_frames"}, /* 41 */
+ { "rx_mac_ctrl_frames"}, /* 44 */
+ { "rx_filtered_packets"}, /* 43 */
+ { "rx_discards"}, /* 44 */
+};
+
+#define STATS_OFFSET32(offset_name) \
+ (offsetof(struct bnx2x_eth_stats, offset_name) / 4)
+
+static unsigned long bnx2x_stats_offset_arr[BNX2X_NUM_STATS] = {
+ STATS_OFFSET32(total_bytes_received_hi), /* 0 */
+ STATS_OFFSET32(stat_IfHCInBadOctets_hi), /* 1 */
+ STATS_OFFSET32(total_bytes_transmitted_hi), /* 2 */
+ STATS_OFFSET32(stat_IfHCOutBadOctets_hi), /* 3 */
+ STATS_OFFSET32(total_unicast_packets_received_hi), /* 4 */
+ STATS_OFFSET32(total_multicast_packets_received_hi), /* 5 */
+ STATS_OFFSET32(total_broadcast_packets_received_hi), /* 6 */
+ STATS_OFFSET32(total_unicast_packets_transmitted_hi), /* 7 */
+ STATS_OFFSET32(total_multicast_packets_transmitted_hi), /* 8 */
+ STATS_OFFSET32(total_broadcast_packets_transmitted_hi), /* 9 */
+ STATS_OFFSET32(stat_Dot3statsinternalmactransmiterrors), /* 10 */
+ STATS_OFFSET32(stat_Dot3StatsCarrierSenseErrors), /* 11 */
+ STATS_OFFSET32(crc_receive_errors), /* 12 */
+ STATS_OFFSET32(alignment_errors), /* 13 */
+ STATS_OFFSET32(single_collision_transmit_frames), /* 14 */
+ STATS_OFFSET32(multiple_collision_transmit_frames), /* 15 */
+ STATS_OFFSET32(stat_Dot3StatsDeferredTransmissions), /* 16 */
+ STATS_OFFSET32(excessive_collision_frames), /* 17 */
+ STATS_OFFSET32(late_collision_frames), /* 18 */
+ STATS_OFFSET32(number_of_bugs_found_in_stats_spec), /* 19 */
+ STATS_OFFSET32(runt_packets_received), /* 20 */
+ STATS_OFFSET32(jabber_packets_received), /* 21 */
+ STATS_OFFSET32(error_runt_packets_received), /* 22 */
+ STATS_OFFSET32(error_jabber_packets_received), /* 23 */
+ STATS_OFFSET32(frames_received_64_bytes), /* 24 */
+ STATS_OFFSET32(frames_received_65_127_bytes), /* 25 */
+ STATS_OFFSET32(frames_received_128_255_bytes), /* 26 */
+ STATS_OFFSET32(frames_received_256_511_bytes), /* 27 */
+ STATS_OFFSET32(frames_received_512_1023_bytes), /* 28 */
+ STATS_OFFSET32(frames_received_1024_1522_bytes), /* 29 */
+ STATS_OFFSET32(frames_received_1523_9022_bytes), /* 30 */
+ STATS_OFFSET32(frames_transmitted_64_bytes), /* 31 */
+ STATS_OFFSET32(frames_transmitted_65_127_bytes), /* 32 */
+ STATS_OFFSET32(frames_transmitted_128_255_bytes), /* 33 */
+ STATS_OFFSET32(frames_transmitted_256_511_bytes), /* 34 */
+ STATS_OFFSET32(frames_transmitted_512_1023_bytes), /* 35 */
+ STATS_OFFSET32(frames_transmitted_1024_1522_bytes), /* 36 */
+ STATS_OFFSET32(frames_transmitted_1523_9022_bytes), /* 37 */
+ STATS_OFFSET32(pause_xon_frames_received), /* 38 */
+ STATS_OFFSET32(pause_xoff_frames_received), /* 39 */
+ STATS_OFFSET32(pause_xon_frames_transmitted), /* 40 */
+ STATS_OFFSET32(pause_xoff_frames_transmitted), /* 41 */
+ STATS_OFFSET32(control_frames_received), /* 44 */
+ STATS_OFFSET32(mac_filter_discard), /* 43 */
+ STATS_OFFSET32(no_buff_discard), /* 44 */
+};
+
+static u8 bnx2x_stats_len_arr[BNX2X_NUM_STATS] = {
+ 8, 0, 8, 0, 8, 8, 8, 8, 8, 8,
+ 4, 0, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
+ 4, 4, 4, 4, 4,
+};
+
+static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8
*buf)
+{
+ switch (stringset) {
+ case ETH_SS_STATS:
+ memcpy(buf, bnx2x_stats_str_arr, sizeof(bnx2x_stats_str_arr));
+ break;
+
+ case ETH_SS_TEST:
+ memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
+ break;
+ }
+}
+
+static int bnx2x_get_stats_count(struct net_device *dev)
+{
+ return BNX2X_NUM_STATS;
+}
+
+static void bnx2x_get_ethtool_stats(struct net_device *dev,
+ struct ethtool_stats *stats, u64 *buf)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ u32 *hw_stats = (u32 *)bnx2x_sp_check(bp, eth_stats);
+ int i;
+
+ for (i = 0; i < BNX2X_NUM_STATS; i++) {
+ if (bnx2x_stats_len_arr[i] == 0) {
+ /* skip this counter */
+ buf[i] = 0;
+ continue;
+ }
+ if (!hw_stats) {
+ buf[i] = 0;
+ continue;
+ }
+ if (bnx2x_stats_len_arr[i] == 4) {
+ /* 4-byte counter */
+ buf[i] = (u64) *(hw_stats + bnx2x_stats_offset_arr[i]);
+ continue;
+ }
+ /* 8-byte counter */
+ buf[i] = HILO_U64(*(hw_stats + bnx2x_stats_offset_arr[i]),
+ *(hw_stats + bnx2x_stats_offset_arr[i] + 1));
+ }
+}
+
+static int bnx2x_phys_id(struct net_device *dev, u32 data)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ int i;
+
+ if (data == 0)
+ data = 2;
+
+ for (i = 0; i < (data * 2); i++) {
+ if ((i % 2) == 0) {
+ bnx2x_leds_set(bp, SPEED_1000);
+ } else {
+ bnx2x_leds_unset(bp);
+ }
+ msleep_interruptible(500);
+ if (signal_pending(current))
+ break;
+ }
+
+ if (bp->link_up) {
+ bnx2x_leds_set(bp, bp->line_speed);
+ }
+ return 0;
+}
+
+static struct ethtool_ops bnx2x_ethtool_ops = {
+ .get_settings = bnx2x_get_settings,
+ .set_settings = bnx2x_set_settings,
+ .get_drvinfo = bnx2x_get_drvinfo,
+ .get_wol = bnx2x_get_wol,
+ .set_wol = bnx2x_set_wol,
+ .get_msglevel = bnx2x_get_msglevel,
+ .set_msglevel = bnx2x_set_msglevel,
+ .nway_reset = bnx2x_nway_reset,
+ .get_link = ethtool_op_get_link,
+ .get_eeprom_len = bnx2x_get_eeprom_len,
+ .get_eeprom = bnx2x_get_eeprom,
+ .set_eeprom = bnx2x_set_eeprom,
+ .get_coalesce = bnx2x_get_coalesce,
+ .set_coalesce = bnx2x_set_coalesce,
+ .get_ringparam = bnx2x_get_ringparam,
+ .set_ringparam = bnx2x_set_ringparam,
+ .get_pauseparam = bnx2x_get_pauseparam,
+ .set_pauseparam = bnx2x_set_pauseparam,
+ .get_rx_csum = bnx2x_get_rx_csum,
+ .set_rx_csum = bnx2x_set_rx_csum,
+ .get_tx_csum = ethtool_op_get_tx_csum,
+ .set_tx_csum = ethtool_op_set_tx_csum,
+ .get_sg = ethtool_op_get_sg,
+ .set_sg = ethtool_op_set_sg,
+ .get_tso = ethtool_op_get_tso,
+ .set_tso = bnx2x_set_tso,
+ .self_test_count = bnx2x_self_test_count,
+ .self_test = bnx2x_self_test,
+ .get_strings = bnx2x_get_strings,
+ .phys_id = bnx2x_phys_id,
+ .get_stats_count = bnx2x_get_stats_count,
+ .get_ethtool_stats = bnx2x_get_ethtool_stats
+};
+
+/* end of ethtool_ops */
+
+/****************************************************************************
+* General service functions
+****************************************************************************/
+
+static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
+{
+ u16 pmcsr;
+
+ pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
+
+ switch (state) {
+ case PCI_D0:
+ pci_write_config_word(bp->pdev,
+ bp->pm_cap + PCI_PM_CTRL,
+ (pmcsr & ~PCI_PM_CTRL_STATE_MASK) |
+ PCI_PM_CTRL_PME_STATUS);
+
+ if (pmcsr & PCI_PM_CTRL_STATE_MASK)
+ /* delay required during transition out of D3hot */
+ msleep(20);
+ break;
+
+ case PCI_D3hot:
+ pmcsr &= ~PCI_PM_CTRL_STATE_MASK;
+ pmcsr |= 3;
+
+ if (bp->wol) {
+ pmcsr |= PCI_PM_CTRL_PME_ENABLE;
+ }
+ pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL,
+ pmcsr);
+
+ /* No more memory access after this point until
+ * device is brought back to D0.
+ */
+ /* udelay(50); TBD */
+ break;
+
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/****************************************************************************
+* net_device service functions
+****************************************************************************/
+
+/* Called with rtnl_lock from vlan functions and also netif_tx_lock
+ * from set_multicast.
+ */
+static void bnx2x_set_rx_mode(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ u32 rx_mode = BNX2X_RX_MODE_NORMAL;
+
+ DP(NETIF_MSG_RX_STATUS, "called dev->flags = %x\n", dev->flags);
+
+ if (dev->flags & IFF_PROMISC) {
+ rx_mode = BNX2X_RX_MODE_PROMISC;
+
+ } else if (dev->flags & IFF_ALLMULTI ||
+ dev->mc_count > BNX2X_MAX_MULTICAST) {
+ rx_mode = BNX2X_RX_MODE_ALLMULTI;
+
+ } else { /* some multicasts */
+ int i, old, offset;
+ struct dev_mc_list *mclist;
+ struct mac_configuration_cmd *config =
+ bnx2x_sp(bp, mcast_config);
+
+ for (i = 0, mclist = dev->mc_list;
+ mclist && (i < dev->mc_count);
+ i++, mclist = mclist->next) {
+
+ config->config_table[i].cam_entry.msb_mac_addr =
+ ntohs(*(u16 *)&mclist->dmi_addr[0]);
+ config->config_table[i].cam_entry.middle_mac_addr =
+ ntohs(*(u16 *)&mclist->dmi_addr[2]);
+ config->config_table[i].cam_entry.lsb_mac_addr =
+ ntohs(*(u16 *)&mclist->dmi_addr[4]);
+ config->config_table[i].cam_entry.flags = bp->port;
+ config->config_table[i].target_table_entry.flags = 0;
+ config->config_table[i].target_table_entry.
+ client_id = 0;
+ config->config_table[i].target_table_entry.
+ vlan_id = 0;
+
+ DP(NETIF_MSG_RX_STATUS,
+ "setting MCAST[%d] (%04x:%04x:%04x)\n",
+ i, config->config_table[i].cam_entry.msb_mac_addr,
+ config->config_table[i].cam_entry.middle_mac_addr,
+ config->config_table[i].cam_entry.lsb_mac_addr);
+ }
+ old = config->hdr.length_6b;
+ if (old > i) {
+ for (; i < old; i++) {
+ if (CAM_IS_INVALID(config->config_table[i])) {
+ i--; /* already invalidated */
+ break;
+ }
+ /* invalidate */
+ CAM_INVALIDATE(config->config_table[i]);
+ }
+ }
+
+ if (CHIP_REV_IS_SLOW(bp))
+ offset = BNX2X_MAX_EMUL_MULTI*(1 + bp->port);
+ else
+ offset = BNX2X_MAX_MULTICAST*(1 + bp->port);
+
+ config->hdr.length_6b = i;
+ config->hdr.offset = offset;
+ config->hdr.reserved0 = 0;
+ config->hdr.reserved1 = 0;
+
+ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0,
+ U64_HI(bnx2x_sp_mapping(bp, mcast_config)),
+ U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0);
+ }
+
+ bp->rx_mode = rx_mode;
+ bnx2x_set_storm_rx_mode(bp);
+}
+
+static int bnx2x_poll(struct napi_struct *napi, int budget)
+{
+ struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath,
+ napi);
+ struct bnx2x *bp = fp->bp;
+ int work_done = 0;
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic)) {
+ netif_rx_complete(bp->dev, napi);
+ return 0;
+ }
+#endif
+ prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb);
+ prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb);
+ prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256);
+
+ bnx2x_update_fpsb_idx(fp);
+
+ if (*fp->tx_cons_sb != fp->tx_pkt_cons) {
+ bnx2x_tx_int(fp, budget);
+ }
+
+ if (*fp->rx_cons_sb != fp->rx_comp_cons) {
+ work_done = bnx2x_rx_int(fp, budget);
+ }
+
+ rmb(); /* TBD check */
+
+ if (!bnx2x_has_work(fp)) {
+ netif_rx_complete(bp->dev, napi);
+
+ bnx2x_ack_sb(bp, fp->index, USTORM_ID, fp->fp_u_idx,
+ IGU_INT_NOP, 1);
+ bnx2x_ack_sb(bp, fp->index, CSTORM_ID, fp->fp_c_idx,
+ IGU_INT_ENABLE, 1);
+ }
+
+ return work_done;
+}
+
+/* Called with netif_tx_lock.
+ * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call
+ * netif_wake_queue().
+ */
+static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ struct bnx2x_fastpath *fp;
+ struct sw_tx_bd *tx_buf;
+ struct eth_tx_bd *txbd;
+ struct eth_tx_parse_bd *pbd = NULL;
+ u16 pkt_prod, bd_prod;
+ int nbd, fp_index = 0;
+ dma_addr_t mapping;
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (unlikely(bp->panic)) {
+ return NETDEV_TX_BUSY;
+ }
+#endif
+
+ fp = &bp->fp[fp_index];
+ if (unlikely(bnx2x_tx_avail(bp->fp) <
+ (skb_shinfo(skb)->nr_frags + 3))) {
+ bp->slowpath->eth_stats.driver_xoff++,
+ netif_stop_queue(dev);
+ BNX2X_ERR("BUG! Tx ring full when queue awake!\n");
+ return NETDEV_TX_BUSY;
+ }
+
+ /*
+ This is a bit ugly. First we use one BD which we mark as start,
+ then for TSO or xsum we have a parsing info BD,
+ and only then we have the rest of the TSO bds.
+ (don't forget to mark the last one as last,
+ and to unmap only AFTER you write to the BD ...)
+ I would like to thank Dov Hirshfeld for this mess.
+ */
+
+ pkt_prod = fp->tx_pkt_prod++;
+ bd_prod = fp->tx_bd_prod;
+
+ pkt_prod = TX_BD(pkt_prod);
+ bd_prod = TX_BD(bd_prod);
+
+ /* get a tx_buff and first bd */
+ tx_buf = &fp->tx_buf_ring[pkt_prod];
+ txbd = &fp->tx_desc_ring[bd_prod];
+
+ txbd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
+ txbd->general_data = (UNICAST_ADDRESS <<
+ ETH_TX_BD_ETH_ADDR_TYPE_SHIFT);
+ txbd->general_data |= 1; /* header nbd */
+
+ /* remeber the first bd of the packet */
+ tx_buf->first_bd = bd_prod;
+
+ DP(NETIF_MSG_TX_QUEUED,
+ "sending pkt %u @%p next_idx %u bd %u @%p\n",
+ pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, txbd);
+
+ if (skb->ip_summed == CHECKSUM_PARTIAL) {
+ u8 len;
+ struct iphdr *iph = ip_hdr(skb);
+
+ txbd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IP_CSUM;
+
+ /* turn on parsing and get a bd */
+ bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
+ pbd = (void *)&fp->tx_desc_ring[bd_prod];
+
+ len = ((u8 *)ip_hdr(skb) - (u8 *)skb->data)/2;
+
+ /* for now NS flag is not used in Linux */
+ pbd->global_data = (len |
+ ((skb->protocol == ETH_P_8021Q) <<
+ ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT));
+
+ pbd->ip_hlen = ip_hdrlen(skb)/2;
+ pbd->total_hlen = len + pbd->ip_hlen;
+
+ if (iph->protocol == IPPROTO_TCP) {
+ struct tcphdr *th = tcp_hdr(skb);
+ txbd->bd_flags.as_bitfield |=
+ ETH_TX_BD_FLAGS_TCP_CSUM;
+ pbd->tcp_flags = htonl(tcp_flag_word(skb))&0xFFFF;
+ pbd->total_hlen += tcp_hdrlen(skb)/2;
+ pbd->tcp_pseudo_csum = ntohs(th->check);
+
+ } else if (iph->protocol == IPPROTO_UDP) {
+ struct udphdr *uh = udp_hdr(skb);
+ txbd->bd_flags.as_bitfield |=
+ ETH_TX_BD_FLAGS_TCP_CSUM;
+ pbd->total_hlen += 4;
+ pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG;
+ pbd->cs_offset = 5; /* 10 >> 1*/
+ pbd->tcp_pseudo_csum = 0;
+ /* HW bug: we need to subtract 10 bytes before the
+ * UDP header from the csum
+ */
+ uh->check = (u16) ~csum_fold(csum_sub(uh->check,
+ csum_partial(((u8 *)(uh)-10), 10, 0)));
+ }
+ }
+
+ if (bp->vlgrp != 0 && vlan_tx_tag_present(skb)) {
+ txbd->vlan = vlan_tx_tag_get(skb);
+ txbd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG;
+ }
+#ifdef BNX2X_STOP_ON_ERROR
+ else {
+ txbd->vlan = pkt_prod;
+ }
+#endif
+
+ mapping = pci_map_single(bp->pdev, skb->data,
+ skb->len, PCI_DMA_TODEVICE);
+
+ txbd->addr_hi = U64_HI(mapping);
+ txbd->addr_lo = U64_LO(mapping);
+ txbd->nbd = nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2);
+ txbd->nbytes = skb_headlen(skb);
+
+ DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d"
+ " nbytes %d flags %x vlan %u\n",
+ txbd, txbd->addr_hi, txbd->addr_lo, txbd->nbd,
+ txbd->nbytes, txbd->bd_flags.as_bitfield, txbd->vlan);
+
+ if ((skb_shinfo(skb)->gso_size) &&
+ (skb->len > (bp->dev->mtu + ETH_HLEN))) {
+
+ int hlen = 2*pbd->total_hlen;
+
+ DP(NETIF_MSG_TX_QUEUED,
+ "TSO packet len %d hlen %d total len %d tso size %d\n",
+ skb->len, hlen, skb_headlen(skb), skb_shinfo(skb)->gso_size);
+
+ txbd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO;
+
+ if (txbd->nbytes > hlen) {
+ /* we split the first bd into headers and data bds
+ * to ease the pain of our fellow micocode engineers
+ * we use one mapping for both bds
+ * So far this has only been observed to happen
+ * in Other Operating Systems(TM)
+ */
+
+ /* first fix first bd */
+ nbd++;
+ txbd->nbd++;
+ txbd->nbytes = hlen;
+
+ /* we only print this as an error
+ * because we don't think this will ever happen.
+ */
+ BNX2X_ERR("TSO split header size is %d (%x:%x)"
+ " nbd %d\n", txbd->nbytes, txbd->addr_hi,
+ txbd->addr_lo, txbd->nbd);
+
+ /* now get a new data bd
+ * (after the pbd) and fill it */
+ bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
+ txbd = &fp->tx_desc_ring[bd_prod];
+
+#ifdef BNX2X_STOP_ON_ERROR
+ txbd->vlan = pkt_prod;
+#endif
+ txbd->addr_hi = U64_HI(mapping);
+ txbd->addr_lo = U64_LO(mapping) + hlen;
+ txbd->nbytes = skb_headlen(skb) - hlen;
+ /* this marks the bd
+ * as one that has no individual mapping
+ * the FW ignors this flag in a bd not maked start
+ */
+ txbd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO;
+ DP(NETIF_MSG_TX_QUEUED,
+ "TSO split data size is %d (%x:%x)\n",
+ txbd->nbytes, txbd->addr_hi, txbd->addr_lo);
+ }
+
+ if (!pbd) {
+ /* supposed to be unreached
+ * (and therefore not handled properly...)
+ */
+ BNX2X_ERR("LSO with no PBD\n");
+ BUG();
+ }
+
+ pbd->lso_mss = skb_shinfo(skb)->gso_size;
+ pbd->tcp_send_seq = ntohl(tcp_hdr(skb)->seq);
+ pbd->ip_id = ntohs(ip_hdr(skb)->id);
+ pbd->tcp_pseudo_csum =
+ ntohs(~csum_tcpudp_magic(ip_hdr(skb)->saddr,
+ ip_hdr(skb)->daddr,
+ 0, IPPROTO_TCP, 0));
+ pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN;
+ }
+
+ {
+ int i;
+
+ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
+ skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
+
+ bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
+ txbd = &fp->tx_desc_ring[bd_prod];
+
+ mapping = pci_map_page(bp->pdev, frag->page,
+ frag->page_offset,
+ frag->size, PCI_DMA_TODEVICE);
+
+ txbd->addr_hi = U64_HI(mapping);
+ txbd->addr_lo = U64_LO(mapping);
+ txbd->nbytes = frag->size;
+ txbd->bd_flags.as_bitfield = 0;
+#ifdef BNX2X_STOP_ON_ERROR
+ txbd->vlan = pkt_prod;
+#endif
+ DP(NETIF_MSG_TX_QUEUED, "frag %d bd @%p"
+ " addr (%x:%x) nbytes %d flags %x\n",
+ i, txbd, txbd->addr_hi, txbd->addr_lo,
+ txbd->nbytes, txbd->bd_flags.as_bitfield);
+ } /* for */
+ }
+
+ /* now at last mark the bd as the last bd */
+ txbd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD;
+
+ DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n",
+ txbd, txbd->bd_flags.as_bitfield);
+
+ tx_buf->skb = skb;
+
+ bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
+
+ /* now send a tx doorbell, counting the next bd
+ * if the packet contains or ends with it
+ */
+ if (TX_BD_POFF(bd_prod) < nbd)
+ nbd++;
+
+ if (pbd) {
+ DP(NETIF_MSG_TX_QUEUED,
+ "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u"
+ " tcp_flags %x xsum %x seq %u hlen %u\n",
+ pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id,
+ pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum,
+ pbd->tcp_send_seq, pbd->total_hlen);
+ }
+
+ DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %u bd %d\n", nbd, bd_prod);
+
+ fp->hw_tx_prods->bds_prod += nbd;
+ fp->hw_tx_prods->packets_prod++;
+ DOORBELL(bp, fp_index, 0);
+
+ mmiowb();
+
+ fp->tx_bd_prod = bd_prod;
+ dev->trans_start = jiffies;
+
+ if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
+ netif_stop_queue(dev);
+ bp->slowpath->eth_stats.driver_xoff++;
+ if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
+ netif_wake_queue(dev);
+ }
+ fp->tx_pkt++;
+
+ return NETDEV_TX_OK;
+}
+
+static struct net_device_stats *bnx2x_get_stats(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+ return &bp->net_stats;
+}
+
+/* Called with rtnl_lock */
+static int bnx2x_open(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ bnx2x_set_power_state(bp, PCI_D0);
+
+ return bnx2x_nic_load(bp, 1);
+ /* TBD do we revert power state if load fails? */
+}
+
+/* Called with rtnl_lock */
+static int bnx2x_close(struct net_device *dev)
+{
+ int rc;
+ struct bnx2x *bp = netdev_priv(dev);
+
+ /* Unload the driver, release IRQs */
+ rc = bnx2x_nic_unload(bp, 1);
+ if (rc) {
+ BNX2X_ERR("bnx2x_nic_unload failed: %d\n", rc);
+ return rc;
+ }
+ bnx2x_set_power_state(bp, PCI_D3hot);
+
+ return 0;
+}
+
+/* Called with rtnl_lock */
+static int bnx2x_change_mac_addr(struct net_device *dev, void *p)
+{
+ struct sockaddr *addr = p;
+ struct bnx2x *bp = netdev_priv(dev);
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EINVAL;
+
+ memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
+ if (netif_running(dev))
+ bnx2x_set_mac_addr(bp);
+
+ return 0;
+}
+
+/* Called with rtnl_lock */
+static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+ struct mii_ioctl_data *data = if_mii(ifr);
+ struct bnx2x *bp = netdev_priv(dev);
+ int err;
+
+ switch (cmd) {
+ case SIOCGMIIPHY:
+ data->phy_id = bp->phy_addr;
+
+ /* fallthru */
+ case SIOCGMIIREG: {
+ u32 mii_regval;
+
+ spin_lock_bh(&bp->phy_lock);
+ if (bp->state == BNX2X_STATE_OPEN) {
+ err = bnx2x_mdio22_read(bp, data->reg_num & 0x1f,
+ &mii_regval);
+
+ data->val_out = mii_regval;
+ } else {
+ err = -EAGAIN;
+ }
+ spin_unlock_bh(&bp->phy_lock);
+ return err;
+ }
+
+ case SIOCSMIIREG:
+ if (!capable(CAP_NET_ADMIN)) {
+ return -EPERM;
+ }
+
+ spin_lock_bh(&bp->phy_lock);
+ if (bp->state == BNX2X_STATE_OPEN) {
+ err = bnx2x_mdio22_write(bp, data->reg_num & 0x1f,
+ data->val_in);
+ } else {
+ err = -EAGAIN;
+ }
+ spin_unlock_bh(&bp->phy_lock);
+ return err;
+
+ default:
+ /* do nothing */
+ break;
+ }
+
+ return -EOPNOTSUPP;
+}
+
+/* Called with rtnl_lock */
+static int bnx2x_change_mtu(struct net_device *dev, int new_mtu)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ if (((new_mtu + ETH_HLEN) > MAX_ETHERNET_JUMBO_PACKET_SIZE) ||
+ ((new_mtu + ETH_HLEN) < MIN_ETHERNET_PACKET_SIZE))
+ return -EINVAL;
+
+ /* This does not race with packet allocation
+ * because the actuall alloc size is
+ * only updated as part of load
+ */
+ dev->mtu = new_mtu;
+
+ if (netif_running(dev)) {
+ bnx2x_nic_unload(bp, 0);
+ bnx2x_nic_load(bp, 0);
+ }
+ return 0;
+}
+
+static void bnx2x_tx_timeout(struct net_device *dev)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+#ifdef BNX2X_STOP_ON_ERROR
+ if (!bp->panic) {
+ bnx2x_panic();
+ }
+#endif
+ /* This allows the netif to be shutdown gracefully before resetting */
+ schedule_work(&bp->reset_task);
+}
+
+#ifdef BCM_VLAN
+/* Called with rtnl_lock */
+static void bnx2x_vlan_rx_register(struct net_device *dev,
+ struct vlan_group *vlgrp)
+{
+ struct bnx2x *bp = netdev_priv(dev);
+
+ bp->vlgrp = vlgrp;
+ if (netif_running(dev))
+ bnx2x_set_rx_mode(dev);
+}
+#endif
+
+#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
+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
+
+static void bnx2x_reset_task(struct work_struct *work)
+{
+ struct bnx2x *bp = container_of(work, struct bnx2x, reset_task);
+
+#ifdef BNX2X_STOP_ON_ERROR
+ BNX2X_ERR("reset task called but STOP_ON_ERROR defined"
+ " so reset not done to allow debug dump,\n"
+ KERN_ERR " you will need to reboot when done\n");
+ return;
+#endif
+
+ if (!netif_running(bp->dev))
+ return;
+
+ bp->in_reset_task = 1;
+
+ bnx2x_netif_stop(bp);
+
+ bnx2x_nic_unload(bp, 0);
+ bnx2x_nic_load(bp, 0);
+
+ bp->in_reset_task = 0;
+}
+
+static int __devinit bnx2x_init_board(struct pci_dev *pdev,
+ struct net_device *dev)
+{
+ struct bnx2x *bp;
+ int rc;
+
+ SET_NETDEV_DEV(dev, &pdev->dev);
+ bp = netdev_priv(dev);
+
+ bp->flags = 0;
+ bp->port = PCI_FUNC(pdev->devfn);
+
+ rc = pci_enable_device(pdev);
+ if (rc) {
+ printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n");
+ goto err_out;
+ }
+
+ if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
+ printk(KERN_ERR PFX "Cannot find PCI device base address,"
+ " aborting\n");
+ rc = -ENODEV;
+ goto err_out_disable;
+ }
+
+ if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) {
+ printk(KERN_ERR PFX "Cannot find second PCI device"
+ " base address, aborting\n");
+ rc = -ENODEV;
+ goto err_out_disable;
+ }
+
+ rc = pci_request_regions(pdev, DRV_MODULE_NAME);
+ if (rc) {
+ printk(KERN_ERR PFX "Cannot obtain PCI resources,"
+ " aborting\n");
+ goto err_out_disable;
+ }
+
+ pci_set_master(pdev);
+
+ bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM);
+ if (bp->pm_cap == 0) {
+ printk(KERN_ERR PFX "Cannot find power management"
+ " capability, aborting\n");
+ rc = -EIO;
+ goto err_out_release;
+ }
+
+ bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
+ if (bp->pcie_cap == 0) {
+ printk(KERN_ERR PFX "Cannot find PCI Express capability,"
+ " aborting\n");
+ rc = -EIO;
+ goto err_out_release;
+ }
+
+ if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
+ bp->flags |= USING_DAC_FLAG;
+ if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) {
+ printk(KERN_ERR PFX "pci_set_consistent_dma_mask"
+ " failed, aborting\n");
+ rc = -EIO;
+ goto err_out_release;
+ }
+
+ } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) {
+ printk(KERN_ERR PFX "System does not support DMA,"
+ " aborting\n");
+ rc = -EIO;
+ goto err_out_release;
+ }
+
+ bp->dev = dev;
+ bp->pdev = pdev;
+
+ spin_lock_init(&bp->phy_lock);
+
+ bp->in_reset_task = 0;
+ INIT_WORK(&bp->reset_task, bnx2x_reset_task);
+
+ bp->sp_task_en = 0;
+ tasklet_init(&bp->sp_task, bnx2x_sp_task, (unsigned long)bp);
+
+ dev->base_addr = dev->mem_start = pci_resource_start(pdev, 0);
+ dev->mem_end = pci_resource_end(pdev, 0);
+
+ dev->irq = pdev->irq;
+
+ bp->regview = ioremap_nocache(dev->base_addr,
+ pci_resource_len(pdev, 0));
+ if (!bp->regview) {
+ printk(KERN_ERR PFX "Cannot map register space, aborting\n");
+ rc = -ENOMEM;
+ goto err_out_release;
+ }
+
+ bp->doorbells = ioremap_nocache(pci_resource_start(pdev , 2),
+ pci_resource_len(pdev, 2));
+ if (!bp->doorbells) {
+ printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n");
+ rc = -ENOMEM;
+ goto err_out_unmap;
+ }
+
+ bnx2x_set_power_state(bp, PCI_D0);
+ /* TBD why does open also call this? */
+
+ bnx2x_get_hwinfo(bp);
+
+ if (CHIP_REV(bp) == CHIP_REV_FPGA) {
+ printk(KERN_ERR PFX "FPGA detacted. MCP disabled,"
+ " will only init first device\n");
+ onefunc = 1;
+ nomcp = 1;
+ }
+
+ if (nomcp) {
+ printk(KERN_ERR PFX "MCP disabled, will only"
+ " init first device\n");
+ onefunc = 1;
+ }
+
+ if (onefunc && bp->port) {
+ printk(KERN_ERR PFX "Second device disabled, exiting\n");
+ rc = -ENODEV;
+ goto err_out_unmap;
+ }
+
+ bp->tx_ring_size = MAX_TX_AVAIL;
+ bp->rx_ring_size = MAX_RX_AVAIL;
+
+ bp->rx_csum = 1;
+
+ bp->rx_offset = 0;
+
+ bp->tx_quick_cons_trip_int = 0xff;
+ bp->tx_quick_cons_trip = 0xff;
+ bp->tx_ticks_int = 50;
+ bp->tx_ticks = 50;
+
+ bp->rx_quick_cons_trip_int = 0xff;
+ bp->rx_quick_cons_trip = 0xff;
+ bp->rx_ticks_int = 25;
+ bp->rx_ticks = 25;
+
+ bp->stats_ticks = 1000000 & 0xffff00;
+
+ bp->timer_interval = HZ;
+ bp->current_interval = (poll ? poll : HZ); /*TBD fixme*/
+
+ init_timer(&bp->timer);
+ bp->timer.expires = jiffies + bp->current_interval;
+ bp->timer.data = (unsigned long) bp;
+ bp->timer.function = bnx2x_timer;
+
+ 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:
+ pci_release_regions(pdev);
+
+err_out_disable:
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+
+err_out:
+ return rc;
+}
+
+static int __devinit bnx2x_init_one(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
+{
+ static int version_printed;
+ struct net_device *dev = NULL;
+ struct bnx2x *bp;
+ int rc, i;
+ int port = PCI_FUNC(pdev->devfn);
+
+ if (version_printed++ == 0)
+ printk(KERN_INFO "%s", version);
+
+ /* dev zeroed in init_etherdev */
+ dev = alloc_etherdev(sizeof(*bp));
+ if (!dev)
+ return -ENOMEM;
+
+ netif_carrier_off(dev);
+
+ bp = netdev_priv(dev);
+ bp->msglevel = debug;
+
+ if (port && onefunc) {
+ printk(KERN_ERR PFX "second function disabled. exiting\n");
+ return 0;
+ }
+
+ rc = bnx2x_init_board(pdev, dev);
+ if (rc < 0) {
+ free_netdev(dev);
+ return rc;
+ }
+
+ dev->hard_start_xmit = bnx2x_start_xmit;
+ dev->watchdog_timeo = TX_TIMEOUT;
+
+ dev->get_stats = bnx2x_get_stats;
+ dev->ethtool_ops = &bnx2x_ethtool_ops;
+ dev->open = bnx2x_open;
+ dev->stop = bnx2x_close;
+ dev->set_multicast_list = bnx2x_set_rx_mode;
+ dev->set_mac_address = bnx2x_change_mac_addr;
+ dev->do_ioctl = bnx2x_ioctl;
+ dev->change_mtu = bnx2x_change_mtu;
+ dev->tx_timeout = bnx2x_tx_timeout;
+#ifdef BCM_VLAN
+ dev->vlan_rx_register = bnx2x_vlan_rx_register;
+#endif
+#if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER)
+ dev->poll_controller = poll_bnx2x;
+#endif
+ dev->features |= NETIF_F_SG;
+ if (bp->flags & USING_DAC_FLAG)
+ dev->features |= NETIF_F_HIGHDMA;
+ dev->features |= NETIF_F_IP_CSUM;
+#ifdef BCM_VLAN
+ dev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
+#endif
+ dev->features |= NETIF_F_TSO | NETIF_F_TSO_ECN;
+
+ netif_napi_add(dev, &bnx2x_fp(bp, 0, napi), bnx2x_poll, 128*4);
+
+ rc = register_netdev(dev);
+ if (rc) {
+ printk(KERN_ERR PFX "Cannot register net device\n");
+ if (bp->regview)
+ iounmap(bp->regview);
+ if (bp->doorbells)
+ iounmap(bp->doorbells);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+ free_netdev(dev);
+ return rc;
+ }
+
+ pci_set_drvdata(pdev, dev);
+
+ bp->name = board_info[ent->driver_data].name;
+ printk(KERN_INFO "%s: %s (%c%d) PCI%s %s %dMHz "
+ "found at mem %lx, IRQ %d, ",
+ dev->name, bp->name,
+ ((CHIP_ID(bp) & 0xf000) >> 12) + 'A',
+ ((CHIP_ID(bp) & 0x0ff0) >> 4),
+ ((bp->flags & PCIX_FLAG) ? "-X" : ""),
+ ((bp->flags & PCI_32BIT_FLAG) ? "32-bit" : "64-bit"),
+ bp->bus_speed_mhz,
+ dev->base_addr,
+ bp->pdev->irq);
+
+ printk("node addr ");
+ for (i = 0; i < 6; i++)
+ printk("%2.2x", dev->dev_addr[i]);
+ printk("\n");
+
+ return 0;
+}
+
+static void __devexit bnx2x_remove_one(struct pci_dev *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct bnx2x *bp = netdev_priv(dev);
+
+ flush_scheduled_work();
+ tasklet_kill(&bp->sp_task);
+ unregister_netdev(dev);
+
+ if (bp->regview)
+ iounmap(bp->regview);
+
+ if (bp->doorbells)
+ iounmap(bp->doorbells);
+
+ free_netdev(dev);
+ pci_release_regions(pdev);
+ pci_disable_device(pdev);
+ pci_set_drvdata(pdev, NULL);
+}
+
+static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct bnx2x *bp = netdev_priv(dev);
+ int rc;
+
+ if (!netif_running(dev))
+ return 0;
+
+ rc = bnx2x_nic_unload(bp, 0);
+ if (!rc) {
+ return rc;
+ }
+
+ netif_device_detach(dev);
+ pci_save_state(pdev);
+ bnx2x_set_power_state(bp, pci_choose_state(pdev, state));
+ return 0;
+}
+
+static int bnx2x_resume(struct pci_dev *pdev)
+{
+ struct net_device *dev = pci_get_drvdata(pdev);
+ struct bnx2x *bp = netdev_priv(dev);
+ int rc;
+
+ if (!netif_running(dev))
+ return 0;
+
+ pci_restore_state(pdev);
+ bnx2x_set_power_state(bp, PCI_D0);
+ netif_device_attach(dev);
+
+ rc = bnx2x_nic_load(bp, 0);
+ if (rc) {
+ return rc;
+ }
+ return 0;
+}
+
+static struct pci_driver bnx2x_pci_driver = {
+ .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,
+};
+
+static int __init bnx2x_init(void)
+{
+ return pci_register_driver(&bnx2x_pci_driver);
+}
+
+static void __exit bnx2x_cleanup(void)
+{
+ pci_unregister_driver(&bnx2x_pci_driver);
+}
+
+module_init(bnx2x_init);
+module_exit(bnx2x_cleanup);
+
--
1.4.2
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