diff options
Diffstat (limited to 'drivers/net/bnx2x.c')
| -rw-r--r-- | drivers/net/bnx2x.c | 9065 |
1 files changed, 9065 insertions, 0 deletions
diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c new file mode 100644 index 000000000000..e8c5754798ea --- /dev/null +++ b/drivers/net/bnx2x.c @@ -0,0 +1,9065 @@ +/* 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@broadcom.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 + * to allow getting debug info + * (you will need to reboot afterwords) + */ +/*#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/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 <linux/version.h> +#include <linux/io.h> + +#include "bnx2x_reg.h" +#include "bnx2x_fw_defs.h" +#include "bnx2x_hsi.h" +#include "bnx2x.h" +#include "bnx2x_init.h" + +#define DRV_MODULE_VERSION "0.40.15" +#define DRV_MODULE_RELDATE "$DateTime: 2007/11/15 07:28:37 $" +#define BNX2X_BC_VER 0x040009 + +/* Time in jiffies before concluding the transmitter is hung. */ +#define TX_TIMEOUT (5*HZ) + +static const char version[] __devinitdata = + "Broadcom NetXtreme II 577xx 10Gigabit Ethernet Driver " + DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; + +MODULE_AUTHOR("Eliezer Tamir <eliezert@broadcom.com>"); +MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(DRV_MODULE_VERSION); +MODULE_INFO(cvs_version, "$Revision: #356 $"); + +static int use_inta; +static int poll; +static int onefunc; +static int nomcp; +static int debug; +static int use_multi; + +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"); + +#ifdef BNX2X_MULTI +module_param(use_multi, int, 0); +MODULE_PARM_DESC(use_multi, "use per-CPU queues"); +#endif + +enum bnx2x_board_type { + BCM57710 = 0, +}; + +/* indexed by board_t, above */ +static const struct { + char *name; +} board_info[] __devinitdata = { + { "Broadcom NetXtreme II BCM57710 XGb" } +}; + +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 +****************************************************************************/ + +/* used only at init + * locking is done by mcp + */ +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 + +static const u32 dmae_reg_go_c[] = { + DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3, + DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7, + DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11, + DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15 +}; + +/* copy command into DMAE command memory and set DMAE command go */ +static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, + int idx) +{ + u32 cmd_offset; + int i; + + cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx); + for (i = 0; i < (sizeof(struct dmae_command)/4); i++) { + REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i)); + +/* DP(NETIF_MSG_DMAE, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n", + idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i)); */ + } + REG_WR(bp, dmae_reg_go_c[idx], 1); +} + +static void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, + u32 dst_addr, u32 len32) +{ + 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 = dst_addr >> 2; + dmae->dst_addr_hi = 0; + dmae->len = len32; + 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, dst_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, dmae, port * 8); + + udelay(5); + /* adjust timeout for emulation/FPGA */ + if (CHIP_REV_IS_SLOW(bp)) + timeout *= 100; + 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 src_addr, u32 len32) +{ + 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 = src_addr >> 2; + dmae->src_addr_hi = 0; + dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data)); + dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data)); + dmae->len = len32; + 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, src_addr, + dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val); +*/ + + *wb_comp = 0; + + bnx2x_post_dmae(bp, dmae, port * 8); + + 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 int bnx2x_mc_assert(struct bnx2x *bp) +{ + int i, j; + int rc = 0; + char last_idx; + const char storm[] = {"XTCU"}; + const u32 intmem_base[] = { + BAR_XSTRORM_INTMEM, + BAR_TSTRORM_INTMEM, + BAR_CSTRORM_INTMEM, + BAR_USTRORM_INTMEM + }; + + /* Go through all instances of all SEMIs */ + for (i = 0; i < 4; i++) { + last_idx = REG_RD8(bp, XSTORM_ASSERT_LIST_INDEX_OFFSET + + intmem_base[i]); + BNX2X_ERR("DATA %cSTORM_ASSERT_LIST_INDEX 0x%x\n", + storm[i], last_idx); + + /* print the asserts */ + for (j = 0; j < STROM_ASSERT_ARRAY_SIZE; j++) { + u32 row0, row1, row2, row3; + + row0 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + + intmem_base[i]); + row1 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + 4 + + intmem_base[i]); + row2 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + 8 + + intmem_base[i]); + row3 = REG_RD(bp, XSTORM_ASSERT_LIST_OFFSET(j) + 12 + + intmem_base[i]); + + if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { + BNX2X_ERR("DATA %cSTORM_ASSERT_INDEX 0x%x =" + " 0x%08x 0x%08x 0x%08x 0x%08x\n", + storm[i], j, row3, row2, row1, row0); + rc++; + } else { + break; + } + } + } + return rc; +} +static void bnx2x_fw_dump(struct bnx2x *bp) +{ + u32 mark, offset; + u32 data[9]; + int word; + + mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104); + printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n", mark); + + for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) { + for (word = 0; word < 8; word++) + data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + + offset + 4*word)); + data[8] = 0x0; + printk(KERN_ERR PFX "%s", (char *)data); + } + for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) { + for (word = 0; word < 8; word++) + data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + + offset + 4*word)); + data[8] = 0x0; + printk(KERN_ERR PFX "%s", (char *)data); + } + printk("\n" KERN_ERR PFX "end of fw dump\n"); +} + +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(le16_to_cpu(*fp->tx_cons_sb) - 10); + end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245); + for (j = start; j < end; j++) { + 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(le16_to_cpu(*fp->rx_cons_sb) - 10); + end = RX_BD(le16_to_cpu(*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] sw_bd=[%p]\n", + j, rx_bd[0], rx_bd[1], sw_bd->skb); + } + + start = RCQ_BD(fp->rx_comp_cons - 10); + end = RCQ_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)\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); + + + 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_REG_CONFIG_1 : HC_REG_CONFIG_0; + u32 val = REG_RD(bp, addr); + int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; + + if (msix) { + val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0; + val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | + HC_CONFIG_0_REG_ATTN_BIT_EN_0); + } else { + val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | + HC_CONFIG_0_REG_INT_LINE_EN_0 | + HC_CONFIG_0_REG_ATTN_BIT_EN_0); + val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0; + } + + DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) msi %d\n", + val, port, addr, msix); + + REG_WR(bp, addr, val); +} + +static void bnx2x_disable_int(struct bnx2x *bp) +{ + int port = bp->port; + u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; + u32 val = REG_RD(bp, addr); + + val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | + HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | + HC_CONFIG_0_REG_INT_LINE_EN_0 | + HC_CONFIG_0_REG_ATTN_BIT_EN_0); + + DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n", + val, port, addr); + + REG_WR(bp, addr, val); + if (REG_RD(bp, 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); + /* prevent the HW from sending interrupts*/ + bnx2x_disable_int(bp); + + /* make sure all ISRs are done */ + 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); + + /* make sure sp_task is not running */ + cancel_work_sync(&bp->sp_task); + +} + +/* fast path code */ + +/* + * general service functions + */ + +static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 id, + u8 storm, u16 index, u8 op, u8 update) +{ + u32 igu_addr = (IGU_ADDR_INT_ACK + IGU_PORT_BASE * bp->port) * 8; + struct igu_ack_register igu_ack; + + igu_ack.status_block_index = index; + igu_ack.sb_id_and_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)); + +/* DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n", + (*(u32 *)&igu_ack), BAR_IGU_INTMEM + igu_addr); */ + REG_WR(bp, BAR_IGU_INTMEM + igu_addr, (*(u32 *)&igu_ack)); +} + +static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp) +{ + struct host_status_block *fpsb = fp->status_blk; + u16 rc = 0; + + barrier(); /* status block is written to by the chip */ + 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; + } + return rc; +} + +static inline int bnx2x_has_work(struct bnx2x_fastpath *fp) +{ + u16 rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb); + + if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) + rx_cons_sb++; + + if ((rx_cons_sb != fp->rx_comp_cons) || + (le16_to_cpu(*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, TM_REG_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 = le16_to_cpu(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 split header 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 = le16_to_cpu(*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 = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data); + + 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++; + + if (fp->index) { + switch (command | fp->state) { + case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | + BNX2X_FP_STATE_OPENING): + DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", + cid); + fp->state = BNX2X_FP_STATE_OPEN; + break; + + case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING): + DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", + cid); + fp->state = BNX2X_FP_STATE_HALTED; + break; + + default: + BNX2X_ERR("unexpected MC reply(%d) state is %x\n", + command, fp->state); + } + mb(); /* force bnx2x_wait_ramrod to see the change */ + return; + } + 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_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT): + DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid); + bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_DELETED; + 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); + } + + mb(); /* force bnx2x_wait_ramrod to see the change */ +} + +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 *rx_bd = &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); + + rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); + rx_bd->addr_lo = cpu_to_le32(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; +} + +static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) +{ + struct bnx2x *bp = fp->bp; + u16 bd_cons, bd_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 = le16_to_cpu(*fp->rx_cons_sb); + if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_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_cons = RCQ_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) bd_ring (%u,%u)\n", + hw_comp_cons, sw_comp_cons, + 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\n", + cqe->fast_path_cqe.type, + cqe->fast_path_cqe.error_type_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); + + /* 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 = le16_to_cpu(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); + + /* is this an error packet? */ + if (unlikely(cqe->fast_path_cqe.error_type_flags & + ETH_RX_ERROR_FALGS)) { + /* do we sometimes forward error packets anyway? */ + DP(NETIF_MSG_RX_ERR, + "ERROR flags(%u) Rx packet(%u)\n", + cqe->fast_path_cqe.error_type_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 > ETH_MAX_PACKET_SIZE) && + (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 in promisc */ + } + +#ifdef BCM_VLAN + if ((le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) + & PARSING_FLAGS_NUMBER_OF_NESTED_VLANS) + && (bp->vlgrp != NULL)) + vlan_hwaccel_receive_skb(skb, bp->vlgrp, + le16_to_cpu(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_RCQ_IDX(sw_comp_prod); + sw_comp_cons = NEXT_RCQ_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(); /* keep prod updates ordered */ + + 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; + int index = fp->index; + + DP(NETIF_MSG_INTR, "got an msix interrupt on [%d]\n", index); + bnx2x_ack_sb(bp, 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, index, 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)) { + + schedule_work(&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) +{ + int port = bp->port; + + NIG_WR(NIG_REG_LED_MODE_P0 + port*4, + ((bp->hw_config & SHARED_HW_CFG_LED_MODE_MASK) >> + SHARED_HW_CFG_LED_MODE_SHIFT)); + NIG_WR(NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 0); + + /* Set blinking rate to ~15.9Hz */ + NIG_WR(NIG_REG_LED_CONTROL_BLINK_RATE_P0 + port*4, + LED_BLINK_RATE_VAL); + NIG_WR(NIG_REG_LED_CONTROL_BLINK_RATE_ENA_P0 + port*4, 1); + + /* On Ax chip versions for speeds less than 10G + LED scheme is different */ + if ((CHIP_REV(bp) == CHIP_REV_Ax) && (speed < SPEED_10000)) { + NIG_WR(NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0 + port*4, 1); + NIG_WR(NIG_REG_LED_CONTROL_TRAFFIC_P0 + port*4, 0); + NIG_WR(NIG_REG_LED_CONTROL_BLINK_TRAFFIC_P0 + port*4, 1); + } +} + +static void bnx2x_leds_unset(struct bnx2x *bp) +{ + int port = bp->port; + + NIG_WR(NIG_REG_LED_10G_P0 + port*4, 0); + NIG_WR(NIG_REG_LED_MODE_P0 + port*4, SHARED_HW_CFG_LED_MAC1); +} + +static u32 bnx2x_bits_en(struct bnx2x *bp, u32 reg, u32 bits) +{ + u32 val = REG_RD(bp, reg); + + val |= bits; + REG_WR(bp, reg, val); + return val; +} + +static u32 bnx2x_bits_dis(struct bnx2x *bp, u32 reg, u32 bits) +{ + u32 val = REG_RD(bp, reg); + + val &= ~bits; + REG_WR(bp, 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 port = bp->port; + u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; + u32 val, i; + int rc; + + 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 port = bp->port; + u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; + u32 val, i; + int 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); + 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; + + might_sleep(); + for (i = 0; i < 10; i++) { + bnx2x_mdio45_write(bp, reg, addr, val); + msleep(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; +} + +/* + * link managment + */ + +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 */ + switch (bp->req_flow_ctrl) { + case FLOW_CTRL_AUTO: + if (bp->dev->mtu <= 4500) + bp->flow_ctrl = FLOW_CTRL_BOTH; + else + bp->flow_ctrl = FLOW_CTRL_TX; + break; + + case FLOW_CTRL_TX: + case FLOW_CTRL_RX: + case FLOW_CTRL_BOTH: + bp->flow_ctrl = bp->req_flow_ctrl; + break; + + case FLOW_CTRL_NONE: + default: + break; + } + } + 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, NIG_REG_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, + NIG_REG_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, + NIG_REG_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, + NIG_REG_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_REG_INGRESS_BMAC1_MEM : + NIG_REG_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)); + msleep(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_REG_BMAC0_REGS_OUT_EN + port*4, 0x1); + + /* XGXS control */ + wb_write[0] = 0x3c; + wb_write[1] = 0; + REG_WR_DMAE(bp, 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, 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, bmac_addr + BIGMAC_REGISTER_TX_CONTROL, wb_write, 2); + + /* set tx mtu */ + wb_write[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; /* -CRC */ + wb_write[1] = 0; + REG_WR_DMAE(bp, 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, 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, bmac_addr + BIGMAC_REGISTER_RX_CONTROL, wb_write, 2); + + /* set rx mtu */ + wb_write[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; + wb_write[1] = 0; + REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_RX_MAX_SIZE, wb_write, 2); + + /* set cnt max size */ + wb_write[0] = ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD; /* -VLAN */ + wb_write[1] = 0; + REG_WR_DMAE(bp, bmac_addr + BIGMAC_REGISTER_CNT_MAX_SIZE, + wb_write, 2); + + /* configure safc */ + wb_write[0] = 0x1000200; + wb_write[1] = 0; + REG_WR_DMAE(bp, 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, + 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_REG_XCM0_OUT_EN + port*4, 0x0); + + /* select XGXS */ + NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0x1); + NIG_WR(NIG_REG_XGXS_LANE_SEL_P0 + port*4, 0x0); + + /* disable the NIG in/out to the emac */ + NIG_WR(NIG_REG_EMAC0_IN_EN + port*4, 0x0); + NIG_WR(NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, 0x0); + NIG_WR(NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0x0); + + /* enable the NIG in/out to the bmac */ + NIG_WR(NIG_REG_EGRESS_EMAC0_PORT + port*4, 0x0); + + NIG_WR(NIG_REG_BMAC0_IN_EN + port*4, 0x1); + val = 0; + if (bp->flow_ctrl & FLOW_CTRL_TX) + val = 1; + NIG_WR(NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, val); + NIG_WR(NIG_REG_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) +{ + int port = bp->port; + u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; + u32 val; + int timeout; + + 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)); + msleep(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_REG_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_REG_XGXS_LANE_SEL_P0 + port*4, 1); + NIG_WR(NIG_REG_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_REG_XGXS_LANE_SEL_P0 + port*4, 1); + NIG_WR(NIG_REG_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_REG_XGXS_LANE_SEL_P0 + port*4, + bp->ser_lane); + /* select XGXS */ + NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); + + } else { /* SerDes */ + DP(NETIF_MSG_LINK, "SerDes\n"); + /* select SerDes */ + NIG_WR(NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 0); + } + } + + /* enable emac */ + NIG_WR(NIG_REG_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)); + + timeout = 200; + 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); + + timeout = 200; + 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 | + (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD))); /* -VLAN */ + + /* strip CRC */ + NIG_WR(NIG_REG_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_REG_BMAC0_IN_EN + port*4, 0x0); + NIG_WR(NIG_REG_BMAC0_PAUSE_OUT_EN + port*4, 0x0); + NIG_WR(NIG_REG_BMAC0_OUT_EN + port*4, 0x0); + + /* enable the NIG in/out to the emac */ + NIG_WR(NIG_REG_EMAC0_IN_EN + port*4, 0x1); + val = 0; + if (bp->flow_ctrl & FLOW_CTRL_TX) + val = 1; + NIG_WR(NIG_REG_EMAC0_PAUSE_OUT_EN + port*4, val); + NIG_WR(NIG_REG_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_REG_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, PBF_REG_DISABLE_NEW_TASK_PROC_P0 + port*4, 0x1); + + /* wait for init credit */ + init_crd = REG_RD(bp, PBF_REG_P0_INIT_CRD + port*4); + crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); + DP(NETIF_MSG_LINK, "init_crd 0x%x crd 0x%x\n", init_crd, crd); + + while ((init_crd != crd) && count) { + msleep(5); + + crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); + count--; + } + crd = REG_RD(bp, PBF_REG_P0_CREDIT + port*8); + if (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, PBF_REG_P0_PAUSE_ENABLE + port*4, pause); + if (pause) { + /* update threshold */ + REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, 0); + /* update init credit */ + init_crd = 778; /* (800-18-4) */ + + } else { + u32 thresh = (ETH_MAX_JUMBO_PACKET_SIZE + ETH_OVREHEAD)/16; + + /* update threshold */ + REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, thresh); + /* update init credit */ + switch (bp->line_speed) { + case SPEED_10: + case SPEED_100: + case SPEED_1000: + init_crd = thresh + 55 - 22; + break; + + case SPEED_2500: + init_crd = thresh + 138 - 22; + break; + + case SPEED_10000: + init_crd = thresh + 553 - 22; + break; + + default: + BNX2X_ERR("Invalid line_speed 0x%x\n", + bp->line_speed); + break; + } + } + REG_WR(bp, PBF_REG_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, PBF_REG_INIT_P0 + port*4, 0x1); + msleep(5); + REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0x0); + + /* enable port */ + REG_WR(bp, PBF_REG_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_REG_EGRESS_DRAIN0_MODE + port*4, 0); + + /* update shared 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_REG_EGRESS_DRAIN0_MODE + port*4, 1); + + /* update shared memory */ + bnx2x_update_mng(bp); + + /* indicate link down */ + bnx2x_link_report(bp); +} + +static void bnx2x_init_mac_stats(struct bnx2x *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, NIG_REG_STATUS_INTERRUPT_PORT0 + port*4), + REG_RD(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4), bp->nig_mask, + REG_RD(bp, NIG_REG_EMAC0_STATUS_MISC_MI_INT + port*0x18), + REG_RD(bp, NIG_REG_SERDES0_STATUS_LINK_STATUS + port*0x3c), + REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), + REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68) + ); + + might_sleep(); + MDIO_SET_REG_BANK(bp, MDIO_REG_BANK_GP_STATUS); + /* avoid fast toggling */ + for (i = 0 ; i < 10 ; i++) { + msleep(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); + } + } + bnx2x_link_up(bp); + + } else { /* link down */ + bnx2x_leds_unset(bp); + bnx2x_link_down(bp); + } + + bnx2x_init_mac_stats(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; + } + } + + 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 speed */ +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 speed */ + 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, NIG_REG_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, NIG_REG_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, NIG_REG_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, + NIG_REG_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, + NIG_REG_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, + NIG_REG_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, NIG_REG_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 SGMII, 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_REG_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_REG_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, NIG_REG_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_REG_BMAC0_IN_EN + port*4, 0); + NIG_WR(NIG_REG_BMAC0_OUT_EN + port*4, 0); + + NIG_WR(NIG_REG_NIG_EMAC0_EN + port*4, 0); + NIG_WR(NIG_REG_EMAC0_IN_EN + port*4, 0); + NIG_WR(NIG_REG_EGRESS_EMAC0_OUT_EN + port*4, 0); + + NIG_WR(NIG_REG_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, (NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18), + &md_devad); + NIG_WR(NIG_REG_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_REG_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) { + 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 = + cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) | + HW_CID(bp, cid))); + bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE); + if (common) + bp->spq_prod_bd->hdr.type |= + cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT)); + + bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi); + bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(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_WR(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; + + might_sleep(); + 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; + + msleep(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 *def_sb = bp->def_status_blk; + u16 rc = 0; + + barrier(); /* status block is written to by the chip */ + + if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) { + bp->def_att_idx = def_sb->atten_status_block.attn_bits_index; + rc |= 1; + } + if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) { + bp->def_c_idx = def_sb->c_def_status_block.status_block_index; + rc |= 2; + } + if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) { + bp->def_u_idx = def_sb->u_def_status_block.status_block_index; + rc |= 4; + } + if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) { + bp->def_x_idx = def_sb->x_def_status_block.status_block_index; + rc |= 8; + } + if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) { + bp->def_t_idx = def_sb->t_def_status_block.status_block_index; + rc |= 16; + } + return rc; +} + +/* + * slow path service functions + */ + +static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) +{ + int port = bp->port; + u32 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_PORT_BASE * port) * 8; + u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : + MISC_REG_AEU_MASK_ATTN_FUNC_0; + u32 nig_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 : + NIG_REG_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, aeu_addr, bp->aeu_mask); + + bp->attn_state |= asserted; + + if (asserted & ATTN_HARD_WIRED_MASK) { + if (asserted & ATTN_NIG_FOR_FUNC) { + u32 nig_status_port; + u32 nig_int_addr = port ? + NIG_REG_STATUS_INTERRUPT_PORT1 : + NIG_REG_STATUS_INTERRUPT_PORT0; + + bp->nig_mask = REG_RD(bp, nig_mask_addr); + REG_WR(bp, nig_mask_addr, 0); + + nig_status_port = REG_RD(bp, nig_int_addr); + bnx2x_link_update(bp); + + /* handle unicore attn? */ + } + if (asserted & ATTN_SW_TIMER_4_FUNC) + DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n"); + + if (asserted & GPIO_2_FUNC) + DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n"); + + if (asserted & GPIO_3_FUNC) + DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n"); + + if (asserted & GPIO_4_FUNC) + DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n"); + + if (port == 0) { + if (asserted & ATTN_GENERAL_ATTN_1) { + DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n"); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0); + } + if (asserted & ATTN_GENERAL_ATTN_2) { + DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n"); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0); + } + if (asserted & ATTN_GENERAL_ATTN_3) { + DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n"); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0); + } + } else { + if (asserted & ATTN_GENERAL_ATTN_4) { + DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n"); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0); + } + if (asserted & ATTN_GENERAL_ATTN_5) { + DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n"); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0); + } + if (asserted & ATTN_GENERAL_ATTN_6) { + DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n"); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0); + } + } + + } /* if hardwired */ + + 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_FUNC) + REG_WR(bp, nig_mask_addr, bp->nig_mask); +} + +static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 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, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4); + attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4); + attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4); + attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4); + 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 (attn.sig[3] & BNX2X_MC_ASSERT_BITS) { + + BNX2X_ERR("MC assert!\n"); + bnx2x_panic(); + + } else if (attn.sig[3] & BNX2X_MCP_ASSERT) { + + BNX2X_ERR("MCP assert!\n"); + REG_WR(bp, + MISC_REG_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, DORQ_REG_DORQ_INT_STS_CLR); + BNX2X_ERR("DB hw attention 0x%x\n", val); + /* DORQ discard attention */ + if (val & 0x2) + BNX2X_ERR("FATAL error from DORQ\n"); + } + + if (attn.sig[2] & group_mask.sig[2] & + AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) { + + val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR); + BNX2X_ERR("CFC hw attention 0x%x\n", val); + /* CFC error attention */ + if (val & 0x2) + BNX2X_ERR("FATAL error from CFC\n"); + } + + if (attn.sig[2] & group_mask.sig[2] & + AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) { + + val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0); + BNX2X_ERR("PXP hw attention 0x%x\n", val); + /* RQ_USDMDP_FIFO_OVERFLOW */ + if (val & 0x18000) + BNX2X_ERR("FATAL error from PXP\n"); + } + + if (attn.sig[3] & group_mask.sig[3] & + EVEREST_LATCHED_ATTN_IN_USE_MASK) { + + REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, + 0x7ff); + DP(NETIF_MSG_HW, "got latched bits 0x%x\n", + attn.sig[3]); + } + + if ((attn.sig[0] & group_mask.sig[0] & + HW_INTERRUT_ASSERT_SET_0) || + (attn.sig[1] & group_mask.sig[1] & + HW_INTERRUT_ASSERT_SET_1) || + (attn.sig[2] & group_mask.sig[2] & + HW_INTERRUT_ASSERT_SET_2)) + BNX2X_ERR("FATAL HW block attention\n"); + + if ((attn.sig[0] & group_mask.sig[0] & + HW_PRTY_ASSERT_SET_0) || + (attn.sig[1] & group_mask.sig[1] & + HW_PRTY_ASSERT_SET_1) || + (attn.sig[2] & group_mask.sig[2] & + HW_PRTY_ASSERT_SET_2)) + BNX2X_ERR("FATAL HW block parity atention\n"); + } + } + + 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_WR(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_REG_AEU_MASK_ATTN_FUNC_1 : + MISC_REG_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, 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 */ + u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits; + u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack; + u32 attn_state = bp->attn_state; + + /* look for changed bits */ + u32 asserted = attn_bits & ~attn_ack & ~attn_state; + u32 deasserted = ~attn_bits & attn_ack & attn_state; + + DP(NETIF_MSG_HW, + "attn_bits %x attn_ack %x asserted %x deasserted %x\n", + attn_bits, attn_ack, asserted, deasserted); + + if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state)) + 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(struct work_struct *work) +{ + struct bnx2x *bp = container_of(work, struct bnx2x, sp_task); + 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; + + bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx, + IGU_INT_NOP, 1); + bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx), + IGU_INT_NOP, 1); + bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx), + IGU_INT_NOP, 1); + bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx), + IGU_INT_NOP, 1); + bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(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 + + schedule_work(&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 = le32_to_cpu(tclient->s) - old_tclient->s; \ + old_tclient->s = le32_to_cpu(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 + */ + +static void bnx2x_init_mac_stats(struct bnx2x *bp) +{ + struct dmae_command *dmae; + int port = bp->port; + int loader_idx = port * 8; + u32 opcode; + u32 mac_addr; + + bp->executer_idx = 0; + if (bp->fw_mb) { + /* MCP */ + opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | + 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)); + + if (bp->link_up) + opcode |= (DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE); + + dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); + dmae->opcode = opcode; + 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; + if (bp->link_up) { + dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; + dmae->comp_addr_hi = 0; + dmae->comp_val = 1; + } else { + dmae->comp_addr_lo = 0; + dmae->comp_addr_hi = 0; + dmae->comp_val = 0; + } + } + + if (!bp->link_up) { + /* no need to collect statistics in link down */ + return; + } + + 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)); + + if (bp->phy_flags & PHY_BMAC_FLAG) { + + mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM : + NIG_REG_INGRESS_BMAC0_MEM); + + /* BIGMAC_REGISTER_TX_STAT_GTPKT .. + BIGMAC_REGISTER_TX_STAT_GTBYT */ + dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); + dmae->opcode = opcode; + 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 = dmae_reg_go_c[loader_idx] >> 2; + dmae->comp_addr_hi = 0; + dmae->comp_val = 1; + + /* BIGMAC_REGISTER_RX_STAT_GR64 .. + BIGMAC_REGISTER_RX_STAT_GRIPJ */ + dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); + dmae->opcode = opcode; + 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 = dmae_reg_go_c[loader_idx] >> 2; + dmae->comp_addr_hi = 0; + dmae->comp_val = 1; + + } else if (bp->phy_flags & PHY_EMAC_FLAG) { + + mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0); + + /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/ + dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); + dmae->opcode = opcode; + 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 = dmae_reg_go_c[loader_idx] >> 2; + dmae->comp_addr_hi = 0; + dmae->comp_val = 1; + + /* EMAC_REG_EMAC_RX_STAT_AC_28 */ + dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); + dmae->opcode = opcode; + 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 = dmae_reg_go_c[loader_idx] >> 2; + dmae->comp_addr_hi = 0; + dmae->comp_val = 1; + + /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/ + dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); + dmae->opcode = opcode; + 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 = dmae_reg_go_c[loader_idx] >> 2; + dmae->comp_addr_hi = 0; + dmae->comp_val = 1; + } + + /* NIG */ + dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); + 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 = (port ? NIG_REG_STAT1_BRB_DISCARD : + NIG_REG_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; +} + +static void bnx2x_init_stats(struct bnx2x *bp) +{ + int port = bp->port; + + bp->stats_state = STATS_STATE_DISABLE; + bp->executer_idx = 0; + + bp->old_brb_discard = REG_RD(bp, + NIG_REG_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->dev->stats, 0, sizeof(struct net_device_stats)); + + REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port), 1); + REG_WR(bp, BAR_XSTRORM_INTMEM + + XSTORM_STATS_FLAGS_OFFSET(port) + 4, 0); + + REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port), 1); + REG_WR(bp, BAR_TSTRORM_INTMEM + + TSTORM_STATS_FLAGS_OFFSET(port) + 4, 0); + + REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port), 0); + REG_WR(bp, BAR_CSTRORM_INTMEM + + CSTORM_STATS_FLAGS_OFFSET(port) + 4, 0); + + REG_WR(bp, BAR_XSTRORM_INTMEM + + XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port), + U64_LO(bnx2x_sp_mapping(bp, fw_stats))); + REG_WR(bp, BAR_XSTRORM_INTMEM + + XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port) + 4, + U64_HI(bnx2x_sp_mapping(bp, fw_stats))); + + REG_WR(bp, BAR_TSTRORM_INTMEM + + TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(port), + U64_LO(bnx2x_sp_mapping(bp, fw_stats))); + REG_WR(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) +{ + might_sleep(); + if (bp->stats_state != STATS_STATE_DISABLE) { + int timeout = 10; + + bp->stats_state = STATS_STATE_STOP; + DP(BNX2X_MSG_STATS, "stats_state - STOP\n"); + + while (bp->stats_state != STATS_STATE_DISABLE) { + if (!timeout) { + BNX2X_ERR("timeout wating for stats stop\n"); + break; + } + timeout--; + 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, stat_Dot3statsFramesTooLong); + 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->stat_Dot3statsFramesTooLong += 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 = + estats->valid_bytes_received_hi = + le32_to_cpu(tclient->total_rcv_bytes.hi); + estats->total_bytes_received_lo = + estats->valid_bytes_received_lo = + le32_to_cpu(tclient->total_rcv_bytes.lo); + ADD_64(estats->total_bytes_received_hi, + le32_to_cpu(tclient->rcv_error_bytes.hi), + estats->total_bytes_received_lo, + le32_to_cpu(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 = MAC_STX_NA; + estats->frames_received_65_127_bytes = MAC_STX_NA; + estats->frames_received_128_255_bytes = MAC_STX_NA; + estats->frames_received_256_511_bytes = MAC_STX_NA; + estats->frames_received_512_1023_bytes = MAC_STX_NA; + estats->frames_received_1024_1522_bytes = MAC_STX_NA; + estats->frames_received_1523_9022_bytes = MAC_STX_NA; + + estats->x_total_sent_bytes_hi = + le32_to_cpu(xstats->total_sent_bytes.hi); + estats->x_total_sent_bytes_lo = + le32_to_cpu(xstats->total_sent_bytes.lo); + estats->x_total_sent_pkts = le32_to_cpu(xstats->total_sent_pkts); + + estats->t_rcv_unicast_bytes_hi = + le32_to_cpu(tclient->rcv_unicast_bytes.hi); + estats->t_rcv_unicast_bytes_lo = + le32_to_cpu(tclient->rcv_unicast_bytes.lo); + estats->t_rcv_broadcast_bytes_hi = + le32_to_cpu(tclient->rcv_broadcast_bytes.hi); + estats->t_rcv_broadcast_bytes_lo = + le32_to_cpu(tclient->rcv_broadcast_bytes.lo); + estats->t_rcv_multicast_bytes_hi = + le32_to_cpu(tclient->rcv_multicast_bytes.hi); + estats->t_rcv_multicast_bytes_lo = + le32_to_cpu(tclient->rcv_multicast_bytes.lo); + estats->t_total_rcv_pkt = le32_to_cpu(tclient->total_rcv_pkts); + + estats->checksum_discard = le32_to_cpu(tclient->checksum_discard); + estats->packets_too_big_discard = + le32_to_cpu(tclient->packets_too_big_discard); + estats->jabber_packets_received = estats->packets_too_big_discard + + estats->stat_Dot3statsFramesTooLong; + estats->no_buff_discard = le32_to_cpu(tclient->no_buff_discard); + estats->ttl0_discard = le32_to_cpu(tclient->ttl0_discard); + estats->mac_discard = le32_to_cpu(tclient->mac_discard); + estats->mac_filter_discard = le32_to_cpu(tstats->mac_filter_discard); + estats->xxoverflow_discard = le32_to_cpu(tstats->xxoverflow_discard); + estats->brb_truncate_discard = + le32_to_cpu(tstats->brb_truncate_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); + struct net_device_stats *nstats = &bp->dev->stats; + + nstats->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); + + nstats->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); + + nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi); + + nstats->tx_bytes = + bnx2x_hilo(&estats->total_bytes_transmitted_hi); + + nstats->rx_dropped = estats->checksum_discard + + estats->mac_discard; + nstats->tx_dropped = 0; + + nstats->multicast = + bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi); + + nstats->collisions = + estats->single_collision_transmit_frames + + estats->multiple_collision_transmit_frames + + estats->late_collision_frames + + estats->excessive_collision_frames; + + nstats->rx_length_errors = estats->runt_packets_received + + estats->jabber_packets_received; + nstats->rx_over_errors = estats->no_buff_discard; + nstats->rx_crc_errors = estats->crc_receive_errors; + nstats->rx_frame_errors = estats->alignment_errors; + nstats->rx_fifo_errors = estats->brb_discard + + estats->brb_truncate_discard; + nstats->rx_missed_errors = estats->xxoverflow_discard; + + nstats->rx_errors = nstats->rx_length_errors + + nstats->rx_over_errors + + nstats->rx_crc_errors + + nstats->rx_frame_errors + + nstats->rx_fifo_errors; + + nstats->tx_aborted_errors = estats->late_collision_frames + + estats->excessive_collision_frames; + nstats->tx_carrier_errors = estats->false_carrier_detections; + nstats->tx_fifo_errors = 0; + nstats->tx_heartbeat_errors = 0; + nstats->tx_window_errors = 0; + + nstats->tx_errors = nstats->tx_aborted_errors + + nstats->tx_carrier_errors; + + estats->mac_stx_start = ++estats->mac_stx_end; +} + +static void bnx2x_update_stats(struct bnx2x *bp) +{ + int i; + + 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) { + struct bnx2x_eth_stats *estats = bnx2x_sp(bp, eth_stats); + struct net_device_stats *nstats = &bp->dev->stats; + + printk(KERN_DEBUG "%s:\n", bp->dev->name); + printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)" + " tx pkt (%lx)\n", + bnx2x_tx_avail(bp->fp), + *bp->fp->tx_cons_sb, nstats->tx_packets); + printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)" + " rx pkt (%lx)\n", + (u16)(*bp->fp->rx_cons_sb - bp->fp->rx_comp_cons), + *bp->fp->rx_cons_sb, nstats->rx_packets); + printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n", + netif_queue_stopped(bp->dev)? "Xoff" : "Xon", + estats->driver_xoff, estats->brb_discard); + printk(KERN_DEBUG "tstats: checksum_discard %u " + "packets_too_big_discard %u no_buff_discard %u " + "mac_discard %u mac_filter_discard %u " + "xxovrflow_discard %u brb_truncate_discard %u " + "ttl0_discard %u\n", + estats->checksum_discard, + estats->packets_too_big_discard, + estats->no_buff_discard, estats->mac_discard, + estats->mac_filter_discard, estats->xxoverflow_discard, + estats->brb_truncate_discard, estats->ttl0_discard); + + for_each_queue(bp, i) { + printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i, + bnx2x_fp(bp, i, tx_pkt), + bnx2x_fp(bp, i, rx_pkt), + bnx2x_fp(bp, i, rx_calls)); + } + } + + 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 + + /* loader */ + if (bp->executer_idx) { + struct dmae_command *dmae = &bp->dmae; + int port = bp->port; + int loader_idx = port * 8; + + memset(dmae, 0, sizeof(struct dmae_command)); + + dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | + DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | + 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, dmae[0])); + dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0])); + dmae->dst_addr_lo = (DMAE_REG_CMD_MEM + + sizeof(struct dmae_command) * + (loader_idx + 1)) >> 2; + dmae->dst_addr_hi = 0; + dmae->len = sizeof(struct dmae_command) >> 2; + dmae->len--; /* !!! for A0/1 only */ + dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2; + dmae->comp_addr_hi = 0; + dmae->comp_val = 1; + + bnx2x_post_dmae(bp, dmae, loader_idx); + } + + if (bp->stats_state != STATS_STATE_ENABLE) { + bp->stats_state = STATS_STATE_DISABLE; + return; + } + + 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))) { + /* someone lost a heartbeat... */ + 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_WR(bp, BAR_USTRORM_INTMEM + + USTORM_SB_HOST_SB_ADDR_OFFSET(port, id), U64_LO(section)); + REG_WR(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_WR(bp, BAR_CSTRORM_INTMEM + + CSTORM_SB_HOST_SB_ADDR_OFFSET(port, id), U64_LO(section)); + REG_WR(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_REG_AEU_ENABLE1_FUNC_1_OUT_0 : + MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); + + for (index = 0; index < 3; index++) { + bp->attn_group[index].sig[0] = REG_RD(bp, + reg_offset + 0x10*index); + bp->attn_group[index].sig[1] = REG_RD(bp, + reg_offset + 0x4 + 0x10*index); + bp->attn_group[index].sig[2] = REG_RD(bp, + reg_offset + 0x8 + 0x10*index); + bp->attn_group[index].sig[3] = REG_RD(bp, + reg_offset + 0xc + 0x10*index); + } + + bp->aeu_mask = REG_RD(bp, (port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : + MISC_REG_AEU_MASK_ATTN_FUNC_0)); + + reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L : + HC_REG_ATTN_MSG0_ADDR_L); + + REG_WR(bp, reg_offset, U64_LO(section)); + REG_WR(bp, reg_offset + 4, U64_HI(section)); + + reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0); + + val = REG_RD(bp, reg_offset); + val |= id; + REG_WR(bp, 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_WR(bp, BAR_USTRORM_INTMEM + + USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); + REG_WR(bp, BAR_USTRORM_INTMEM + + ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), + U64_HI(section)); + REG_WR(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_WR(bp, BAR_CSTRORM_INTMEM + + CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); + REG_WR(bp, BAR_CSTRORM_INTMEM + + ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), + U64_HI(section)); + REG_WR(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_WR(bp, BAR_TSTRORM_INTMEM + + TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); + REG_WR(bp, BAR_TSTRORM_INTMEM + + ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), + U64_HI(section)); + REG_WR(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_WR(bp, BAR_XSTRORM_INTMEM + + XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port), U64_LO(section)); + REG_WR(bp, BAR_XSTRORM_INTMEM + + ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)) + 4), + U64_HI(section)); + REG_WR(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) { + + /* 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); + } +} + +static void bnx2x_init_rx_rings(struct bnx2x *bp) +{ + u16 ring_prod; + int i, j; + int port = bp->port; + + bp->rx_buf_use_size = bp->dev->mtu; + + bp->rx_buf_use_size += bp->rx_offset + ETH_OVREHEAD; + bp->rx_buf_size = bp->rx_buf_use_size + 64; + + for_each_queue(bp, j) { + struct bnx2x_fastpath *fp = &bp->fp[j]; + + 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 *rx_bd; + + rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2]; + rx_bd->addr_hi = + cpu_to_le32(U64_HI(fp->rx_desc_mapping + + BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); + rx_bd->addr_lo = + cpu_to_le32(U64_LO(fp->rx_desc_mapping + + BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); + + } + + for (i = 1; i <= NUM_RCQ_RINGS; i++) { + struct eth_rx_cqe_next_page *nextpg; + + nextpg = (struct eth_rx_cqe_next_page *) + &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1]; + nextpg->addr_hi = + cpu_to_le32(U64_HI(fp->rx_comp_mapping + + BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); + nextpg->addr_lo = + cpu_to_le32(U64_LO(fp->rx_comp_mapping + + BCM_PAGE_SIZE*(i % NUM_RCQ_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(port), + U64_LO(fp->rx_comp_mapping)); + REG_WR(bp, BAR_USTRORM_INTMEM + + USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(port) + 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 *tx_bd = + &fp->tx_desc_ring[TX_DESC_CNT * i - 1]; + + tx_bd->addr_hi = + cpu_to_le32(U64_HI(fp->tx_desc_mapping + + BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); + tx_bd->addr_lo = + cpu_to_le32(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_prod_idx = 0; + bp->dsb_sp_prod_idx = 0; + bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX; + bp->spq_prod_bd = bp->spq; + bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT; + + REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PAGE_BASE_OFFSET(port), + U64_LO(bp->spq_mapping)); + REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PAGE_BASE_OFFSET(port) + 4, + U64_HI(bp->spq_mapping)); + + REG_WR(bp, XSEM_REG_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; + context->ustorm_st_context.num_rss = bp->num_queues; + + 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_init_ind_table(struct bnx2x *bp) +{ + int port = bp->port; + int i; + + if (!is_multi(bp)) + return; + + for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++) + REG_WR8(bp, TSTORM_INDIRECTION_TABLE_OFFSET(port) + i, + i % bp->num_queues); + + REG_WR(bp, PRS_REG_A_PRSU_20, 0xf); +} + +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_WR(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.mtu = bp->dev->mtu; + 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_IFUP, "vlan removal enabled\n"); + } +#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_WR(bp, BAR_TSTRORM_INTMEM + + TSTORM_CLIENT_CONFIG_OFFSET(port, client_id), + ((u32 *)&tstorm_client)[0]); + REG_WR(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_function_common_config tstorm_config = {0}; + struct stats_indication_flags stats_flags = {0}; + int i; + + if (is_multi(bp)) { + tstorm_config.config_flags = MULTI_FLAGS; + tstorm_config.rss_result_mask = MULTI_MASK; + } + + REG_WR(bp, BAR_TSTRORM_INTMEM + + TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(port), + (*(u32 *)&tstorm_config)); + +/* DP(NETIF_MSG_IFUP, "tstorm_config: 0x%08x\n", + (*(u32 *)&tstorm_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 = cpu_to_le32(1); + + REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port), + ((u32 *)&stats_flags)[0]); + REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(port) + 4, + ((u32 *)&stats_flags)[1]); + + REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port), + ((u32 *)&stats_flags)[0]); + REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(port) + 4, + ((u32 *)&stats_flags)[1]); + + REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(port), + ((u32 *)&stats_flags)[0]); + REG_WR(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 void bnx2x_nic_init(struct bnx2x *bp) +{ + int i; + + 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_init_ind_table(bp); + bnx2x_enable_int(bp); + +} + +/* 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); + if ((rc != Z_OK) && (rc != Z_STREAM_END)) + printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n", + bp->dev->name, bp->strm->msg); + + bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out); + if (bp->gunzip_outlen & 0x3) + printk(KERN_ERR PFX "%s: Firmware decompression error:" + " gunzip_outlen (%d) not aligned\n", + bp->dev->name, bp->gunzip_outlen); + bp->gunzip_outlen >>= 2; + + zlib_inflateEnd(bp->strm); + + if (rc == Z_STREAM_END) + return 0; + + return rc; +} + +/* nic load/unload */ + +/* + * general service functions + */ + +/* send a NIG 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, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); +#else + REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB, 0x55555555); + REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 4, 0x55555555); + /* SOP */ + REG_WR_IND(bp, NIG_REG_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, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); +#else + REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB, 0x09000000); + REG_WR_IND(bp, NIG_REG_DEBUG_PACKET_LB + 4, 0x55555555); + /* EOP, eop_bvalid = 0 */ + REG_WR_IND(bp, NIG_REG_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) +{ + int factor; + int count, i; + u32 val = 0; + + switch (CHIP_REV(bp)) { + case CHIP_REV_EMUL: + factor = 200; + break; + case CHIP_REV_FPGA: + factor = 120; + break; + default: + factor = 1; + break; + } + + DP(NETIF_MSG_HW, "start part1\n"); + + /* Disable inputs of parser neighbor blocks */ + REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); + REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); + REG_WR(bp, CFC_REG_DEBUG0, 0x1); + NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0); + + /* Write 0 to parser credits for CFC search request */ + REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); + + /* send Ethernet packet */ + bnx2x_lb_pckt(bp); + + /* TODO do i reset NIG statistic? */ + /* Wait until NIG register shows 1 packet of size 0x10 */ + count = 1000 * factor; + while (count) { +#ifdef BNX2X_DMAE_RD + bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); + val = *bnx2x_sp(bp, wb_data[0]); +#else + val = REG_RD(bp, NIG_REG_STAT2_BRB_OCTET); + REG_RD(bp, NIG_REG_STAT2_BRB_OCTET + 4); +#endif + if (val == 0x10) + break; + + msleep(10); + count--; + } + if (val != 0x10) { + BNX2X_ERR("NIG timeout val = 0x%x\n", val); + return -1; + } + + /* Wait until PRS register shows 1 packet */ + count = 1000 * factor; + while (count) { + val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); + + if (val == 1) + break; + + msleep(10); + count--; + } + if (val != 0x1) { + BNX2X_ERR("PRS timeout val = 0x%x\n", val); + return -2; + } + + /* Reset and init BRB, PRS */ + 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_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); + bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); + + DP(NETIF_MSG_HW, "part2\n"); + + /* Disable inputs of parser neighbor blocks */ + REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); + REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); + REG_WR(bp, CFC_REG_DEBUG0, 0x1); + NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x0); + + /* Write 0 to parser credits for CFC search request */ + REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); + + /* send 10 Ethernet packets */ + for (i = 0; i < 10; i++) + bnx2x_lb_pckt(bp); + + /* Wait until NIG register shows 10 + 1 + packets of size 11*0x10 = 0xb0 */ + count = 1000 * factor; + while (count) { +#ifdef BNX2X_DMAE_RD + bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); + val = *bnx2x_sp(bp, wb_data[0]); +#else + val = REG_RD(bp, NIG_REG_STAT2_BRB_OCTET); + REG_RD(bp, NIG_REG_STAT2_BRB_OCTET + 4); +#endif + if (val == 0xb0) + break; + + msleep(10); + count--; + } + if (val != 0xb0) { + BNX2X_ERR("NIG timeout val = 0x%x\n", val); + return -3; + } + + /* Wait until PRS register shows 2 packets */ + val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); + if (val != 2) + BNX2X_ERR("PRS timeout val = 0x%x\n", val); + + /* Write 1 to parser credits for CFC search request */ + REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1); + + /* Wait until PRS register shows 3 packets */ + msleep(10 * factor); + /* Wait until NIG register shows 1 packet of size 0x10 */ + val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); + if (val != 3) + BNX2X_ERR("PRS timeout val = 0x%x\n", val); + + /* clear NIG EOP FIFO */ + for (i = 0; i < 11; i++) + REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO); + val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY); + if (val != 1) { + BNX2X_ERR("clear of NIG failed\n"); + return -4; + } + + /* Reset and init BRB, PRS, NIG */ + REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03); + msleep(50); + REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03); + msleep(50); + bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); + bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); +#ifndef BCM_ISCSI + /* set NIC mode */ + REG_WR(bp, PRS_REG_NIC_MODE, 1); +#endif + + /* Enable inputs of parser neighbor blocks */ + REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff); + REG_WR(bp, TCM_REG_PRS_IFEN, 0x1); + REG_WR(bp, CFC_REG_DEBUG0, 0x0); + NIG_WR(NIG_REG_PRS_REQ_IN_EN, 0x1); + + DP(NETIF_MSG_HW, "done\n"); + + return 0; /* OK */ +} + +static void enable_blocks_attention(struct bnx2x *bp) +{ + REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); + REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0); + REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); + REG_WR(bp, CFC_REG_CFC_INT_MASK, 0); + REG_WR(bp, QM_REG_QM_INT_MASK, 0); + REG_WR(bp, TM_REG_TM_INT_MASK, 0); + REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0); + REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0); + REG_WR(bp, XCM_REG_XCM_INT_MASK, 0); +/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */ +/* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */ + REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0); + REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0); + REG_WR(bp, UCM_REG_UCM_INT_MASK, 0); +/* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */ +/* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */ + REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0); + REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0); + REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0); + REG_WR(bp, CCM_REG_CCM_INT_MASK, 0); +/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */ +/* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */ + REG_WR(bp, PXP2_REG_PXP2_INT_MASK, 0x480000); + REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0); + REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0); + REG_WR(bp, TCM_REG_TCM_INT_MASK, 0); +/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */ +/* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */ + REG_WR(bp, CDU_REG_CDU_INT_MASK, 0); + REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0); +/* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */ + REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */ +} + +static int bnx2x_function_init(struct bnx2x *bp, int mode) +{ + int func = bp->port; + int port = func ? PORT1 : PORT0; + u32 val, i; +#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, MISC_REG_RESET_REG_1, 0xffffffff); + REG_WR(bp, MISC_REG_RESET_REG_2, 0xfffc); + bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END); + + REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100); + msleep(30); + REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0); + + bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END); + bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END); + + bnx2x_init_pxp(bp); + + if (CHIP_REV(bp) == CHIP_REV_Ax) { + /* enable HW interrupt from PXP on USDM + overflow bit 16 on INT_MASK_0 */ + REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); + } + +#ifdef __BIG_ENDIAN + REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1); + REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1); + REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1); + REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1); + REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1); + REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1); + +/* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */ + REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1); + REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1); + REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1); + REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1); +#endif + +#ifndef BCM_ISCSI + /* set NIC mode */ + REG_WR(bp, PRS_REG_NIC_MODE, 1); +#endif + + REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 5); +#ifdef BCM_ISCSI + REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5); + REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5); + REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5); +#endif + + bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END); + + /* let the HW do it's magic ... */ + msleep(100); + /* finish PXP init + (can be moved up if we want to use the DMAE) */ + val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE); + if (val != 1) { + BNX2X_ERR("PXP2 CFG failed\n"); + return -EBUSY; + } + + val = REG_RD(bp, PXP2_REG_RD_INIT_DONE); + if (val != 1) { + BNX2X_ERR("PXP2 RD_INIT failed\n"); + return -EBUSY; + } + + REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0); + REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0); + + bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8); + + bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END); + bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END); + bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END); + bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END); + +#ifdef BNX2X_DMAE_RD + bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3); + bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3); + bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3); + bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3); +#else + REG_RD(bp, XSEM_REG_PASSIVE_BUFFER); + REG_RD(bp, XSEM_REG_PASSIVE_BUFFER + 4); + REG_RD(bp, XSEM_REG_PASSIVE_BUFFER + 8); + REG_RD(bp, CSEM_REG_PASSIVE_BUFFER); + REG_RD(bp, CSEM_REG_PASSIVE_BUFFER + 4); + REG_RD(bp, CSEM_REG_PASSIVE_BUFFER + 8); + REG_RD(bp, TSEM_REG_PASSIVE_BUFFER); + REG_RD(bp, TSEM_REG_PASSIVE_BUFFER + 4); + REG_RD(bp, TSEM_REG_PASSIVE_BUFFER + 8); + REG_RD(bp, USEM_REG_PASSIVE_BUFFER); + REG_RD(bp, USEM_REG_PASSIVE_BUFFER + 4); + REG_RD(bp, USEM_REG_PASSIVE_BUFFER + 8); +#endif + bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END); + /* softrest pulse */ + REG_WR(bp, QM_REG_SOFT_RESET, 1); + REG_WR(bp, QM_REG_SOFT_RESET, 0); + +#ifdef BCM_ISCSI + bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END); +#endif + bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END); + REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_BITS); + if (CHIP_REV(bp) == CHIP_REV_Ax) { + /* enable hw interrupt from doorbell Q */ + REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); + } + + bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); + + if (CHIP_REV_IS_SLOW(bp)) { + /* fix for emulation and FPGA for no pause */ + REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513); + REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513); + REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0); + REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0); + } + + bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); + + bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END); + bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END); + bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END); + bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END); + + bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); + bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); + bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); + bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0, STORM_INTMEM_SIZE); + + bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END); + bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END); + bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END); + bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END); + + /* 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_block(bp, UPB_COMMON_START, UPB_COMMON_END); + bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END); + bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END); + + REG_WR(bp, SRC_REG_SOFT_RST, 1); + for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) { + REG_WR(bp, i, 0xc0cac01a); + /* TODO: repleace with something meaningfull */ + } + /* SRCH COMMON comes here */ + REG_WR(bp, SRC_REG_SOFT_RST, 0); + + if (sizeof(union cdu_context) != 1024) { + /* we currently assume that a context is 1024 bytes */ + 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, CDU_REG_CDU_GLOBAL_PARAMS, val); + bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END); + + bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END); + REG_WR(bp, CFC_REG_INIT_REG, 0x7FF); + + bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END); + bnx2x_init_block(bp, MISC_AEU_COMMON_START, + MISC_AEU_COMMON_END); + /* RXPCS COMMON comes here */ + /* EMAC0 COMMON comes here */ + /* EMAC1 COMMON comes here */ + /* DBU COMMON comes here */ + /* DBG COMMON comes here */ + bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END); + + if (CHIP_REV_IS_SLOW(bp)) + msleep(200); + + /* finish CFC init */ + val = REG_RD(bp, CFC_REG_LL_INIT_DONE); + if (val != 1) { + BNX2X_ERR("CFC LL_INIT failed\n"); + return -EBUSY; + } + + val = REG_RD(bp, CFC_REG_AC_INIT_DONE); + if (val != 1) { + BNX2X_ERR("CFC AC_INIT failed\n"); + return -EBUSY; + } + + val = REG_RD(bp, CFC_REG_CAM_INIT_DONE); + if (val != 1) { + BNX2X_ERR("CFC CAM_INIT failed\n"); + return -EBUSY; + } + + REG_WR(bp, CFC_REG_DEBUG0, 0); + + /* read NIG statistic + to see if this is our first up since powerup */ +#ifdef BNX2X_DMAE_RD + bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); + val = *bnx2x_sp(bp, wb_data[0]); +#else + val = REG_RD(bp, NIG_REG_STAT2_BRB_OCTET); + REG_RD(bp, NIG_REG_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; + } + + /* clear PXP2 attentions */ + REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR); + + enable_blocks_attention(bp); + /* enable_blocks_parity(bp); */ + + } /* 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 RQ_ONCHIP_AT_PORT_SIZE 384 +#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, NIG_REG_MASK_INTERRUPT_PORT0 + func*4, 0); + + /* Port PXP comes here */ + /* Port PXP2 comes here */ + + /* Offset is + * Port0 0 + * Port1 384 */ + i = func * RQ_ONCHIP_AT_PORT_SIZE; +#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, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); +#else + REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, + ONCHIP_ADDR1(bnx2x_sp_mapping(bp, context))); + REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT + i*8 + 4, + ONCHIP_ADDR2(bnx2x_sp_mapping(bp, context))); +#endif + REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4, PXP_ONE_ILT(i)); + +#ifdef BCM_ISCSI + /* Port0 1 + * Port1 385 */ + i++; + wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping); + wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping); + REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); + REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i)); + + /* Port0 2 + * Port1 386 */ + i++; + wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping); + wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping); + REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); + REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i)); + + /* Port0 3 + * Port1 387 */ + i++; + wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping); + wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping); + REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); + REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i)); +#endif + + /* Port TCM comes here */ + /* Port UCM comes here */ + /* Port CCM comes here */ + bnx2x_init_block(bp, func ? XCM_PORT1_START : XCM_PORT0_START, + func ? XCM_PORT1_END : XCM_PORT0_END); + +#ifdef USE_DMAE + wb_write[0] = 0; + wb_write[1] = 0; +#endif + for (i = 0; i < 32; i++) { + REG_WR(bp, QM_REG_BASEADDR + (func*32 + i)*4, 1024 * 4 * i); +#ifdef USE_DMAE + REG_WR_DMAE(bp, QM_REG_PTRTBL + (func*32 + i)*8, wb_write, 2); +#else + REG_WR_IND(bp, QM_REG_PTRTBL + (func*32 + i)*8, 0); + REG_WR_IND(bp, QM_REG_PTRTBL + (func*32 + i)*8 + 4, 0); +#endif + } + REG_WR(bp, QM_REG_CONNNUM_0 + func*4, 1024/16 - 1); + + /* Port QM comes here */ + +#ifdef BCM_ISCSI + REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20); + REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31); + + bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START, + func ? TIMERS_PORT1_END : TIMERS_PORT0_END); +#endif + /* Port DQ comes here */ + /* Port BRB1 comes here */ + bnx2x_init_block(bp, func ? PRS_PORT1_START : PRS_PORT0_START, + func ? PRS_PORT1_END : PRS_PORT0_END); + /* Port TSDM comes here */ + /* Port CSDM comes here */ + /* Port USDM comes here */ + /* Port XSDM comes here */ + bnx2x_init_block(bp, func ? TSEM_PORT1_START : TSEM_PORT0_START, + func ? TSEM_PORT1_END : TSEM_PORT0_END); + bnx2x_init_block(bp, func ? USEM_PORT1_START : USEM_PORT0_START, + func ? USEM_PORT1_END : USEM_PORT0_END); + bnx2x_init_block(bp, func ? CSEM_PORT1_START : CSEM_PORT0_START, + func ? CSEM_PORT1_END : CSEM_PORT0_END); + bnx2x_init_block(bp, func ? XSEM_PORT1_START : XSEM_PORT0_START, + func ? XSEM_PORT1_END : XSEM_PORT0_END); + /* Port UPB comes here */ + /* Port XSDM comes here */ + bnx2x_init_block(bp, func ? PBF_PORT1_START : PBF_PORT0_START, + func ? PBF_PORT1_END : PBF_PORT0_END); + + /* configure PBF to work without PAUSE mtu 9000 */ + REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + func*4, 0); + + /* update threshold */ + REG_WR(bp, PBF_REG_P0_ARB_THRSH + func*4, (9040/16)); + /* update init credit */ + REG_WR(bp, PBF_REG_P0_INIT_CRD + func*4, (9040/16) + 553 - 22); + + /* probe changes */ + REG_WR(bp, PBF_REG_INIT_P0 + func*4, 1); + msleep(5); + REG_WR(bp, PBF_REG_INIT_P0 + func*4, 0); + +#ifdef BCM_ISCSI + /* tell the searcher where the T2 table is */ + REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64); + + wb_write[0] = U64_LO(bp->t2_mapping); + wb_write[1] = U64_HI(bp->t2_mapping); + REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, 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, SRC_REG_LASTFREE0 + func*4, wb_write, 2); + + REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10); + /* Port SRCH comes here */ +#endif + /* Port CDU comes here */ + /* Port CFC comes here */ + bnx2x_init_block(bp, func ? HC_PORT1_START : HC_PORT0_START, + func ? HC_PORT1_END : HC_PORT0_END); + bnx2x_init_block(bp, func ? MISC_AEU_PORT1_START : + MISC_AEU_PORT0_START, + func ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END); + /* Port PXPCS comes here */ + /* Port EMAC0 comes here */ + /* Port EMAC1 comes here */ + /* Port DBU comes here */ + /* Port DBG comes here */ + bnx2x_init_block(bp, func ? NIG_PORT1_START : NIG_PORT0_START, + func ? NIG_PORT1_END : NIG_PORT0_END); + REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + func*4, 1); + /* Port MCP comes here */ + /* Port DMAE comes here */ + + bnx2x_link_reset(bp); + + /* Reset pciex errors for debug */ + REG_WR(bp, 0x2114, 0xffffffff); + REG_WR(bp, 0x2120, 0xffffffff); + REG_WR(bp, 0x2814, 0xffffffff); + + /* !!! move to init_values.h */ + REG_WR(bp, XSDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); + REG_WR(bp, USDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); + REG_WR(bp, CSDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); + REG_WR(bp, TSDM_REG_INIT_CREDIT_PXP_CTRL, 0x1); + + REG_WR(bp, DBG_REG_PCI_REQ_CREDIT, 0x1); + REG_WR(bp, TM_REG_PCIARB_CRDCNT_VAL, 0x1); + REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264); + REG_WR(bp, CDU_REG_CDU_DEBUG, 0x0); + + 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; +} + + +/* 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_FREE(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_FREE(bnx2x_fp(bp, i, tx_buf_ring)); + BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring), + bnx2x_fp(bp, i, tx_desc_mapping), + sizeof(struct eth_tx_bd) * NUM_TX_BD); + + BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring)); + BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring), + bnx2x_fp(bp, i, rx_desc_mapping), + sizeof(struct eth_rx_bd) * NUM_RX_BD); + + BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring), + bnx2x_fp(bp, i, rx_comp_mapping), + sizeof(struct eth_fast_path_rx_cqe) * + NUM_RCQ_BD); + } + + BNX2X_FREE(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_fast_path_rx_cqe) * + NUM_RCQ_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, BCM_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_msix_irqs(struct bnx2x *bp) +{ + int i; + + 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"); + + } + +} + +static void bnx2x_free_irq(struct bnx2x *bp) +{ + + if (bp->flags & USING_MSIX_FLAG) { + + bnx2x_free_msix_irqs(bp); + pci_disable_msix(bp->pdev); + + bp->flags &= ~USING_MSIX_FLAG; + + } else + free_irq(bp->pdev->irq, bp->dev); +} + +static int bnx2x_enable_msix(struct bnx2x *bp) +{ + + int i; + + bp->msix_table[0].entry = 0; + for_each_queue(bp, i) + bp->msix_table[i + 1].entry = i + 1; + + if (pci_enable_msix(bp->pdev, &bp->msix_table[0], + bp->num_queues + 1)){ + BNX2X_ERR("failed to enable msix\n"); + return -1; + + } + + bp->flags |= USING_MSIX_FLAG; + + return 0; + +} + + +static int bnx2x_req_msix_irqs(struct bnx2x *bp) +{ + + + int i, rc; + + 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); + + if (rc) { + BNX2X_ERR("request sp irq failed\n"); + return -EBUSY; + } + + for_each_queue(bp, i) { + rc = request_irq(bp->msix_table[i + 1].vector, + bnx2x_msix_fp_int, 0, + bp->dev->name, &bp->fp[i]); + + if (rc) { + BNX2X_ERR("request fp #%d irq failed\n", i); + bnx2x_free_msix_irqs(bp); + return -EBUSY; + } + + bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ; + + } + + return 0; + +} + +static int bnx2x_req_irq(struct bnx2x *bp) +{ + + int rc = request_irq(bp->pdev->irq, bnx2x_interrupt, + IRQF_SHARED, bp->dev->name, bp->dev); + if (!rc) + bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ; + + return rc; + +} + +/* + * 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 = + swab16(*(u16 *)&bp->dev->dev_addr[0]); + config->config_table[0].cam_entry.middle_mac_addr = + swab16(*(u16 *)&bp->dev->dev_addr[2]); + config->config_table[0].cam_entry.lsb_mac_addr = + swab16(*(u16 *)&bp->dev->dev_addr[4]); + config->config_table[0].cam_entry.flags = cpu_to_le16(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_IFUP, "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 = cpu_to_le16(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); +} + +static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx, + int *state_p, int poll) +{ + /* can take a while if any port is running */ + int timeout = 500; + + /* DP("waiting for state to become %d on IDX [%d]\n", + state, sb_idx); */ + + might_sleep(); + + while (timeout) { + + if (poll) { + bnx2x_rx_int(bp->fp, 10); + /* If index is different from 0 + * The reply for some commands will + * be on the none default queue + */ + if (idx) + bnx2x_rx_int(&bp->fp[idx], 10); + } + + mb(); /* state is changed by bnx2x_sp_event()*/ + + if (*state_p != state) + return 0; + + timeout--; + msleep(1); + + } + + + /* timeout! */ + BNX2X_ERR("timeout waiting for ramrod %d on %d\n", state, idx); + return -EBUSY; + +} + +static int bnx2x_setup_leading(struct bnx2x *bp) +{ + + /* reset IGU staae */ + bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, 0, IGU_INT_ENABLE, 0); + + /* SETUP ramrod */ + bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0); + + return bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0); + +} + +static int bnx2x_setup_multi(struct bnx2x *bp, int index) +{ + + /* reset IGU state */ + bnx2x_ack_sb(bp, index, CSTORM_ID, 0, IGU_INT_ENABLE, 0); + + bp->fp[index].state = BNX2X_FP_STATE_OPENING; + bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0); + + /* Wait for completion */ + return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index, + &(bp->fp[index].state), 1); + +} + + +static int bnx2x_poll(struct napi_struct *napi, int budget); +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; + } + + DP(NETIF_MSG_IFUP, "set number of queues to %d\n", bp->num_queues); + + /* if we can't use msix we only need one fp, + * so try to enable msix with the requested number of fp's + * and fallback to inta with one fp + */ + if (req_irq) { + + if (use_inta) { + bp->num_queues = 1; + } else { + if (use_multi > 1 && use_multi <= 16) + /* user requested number */ + bp->num_queues = use_multi; + else if (use_multi == 1) + bp->num_queues = num_online_cpus(); + else + bp->num_queues = 1; + + if (bnx2x_enable_msix(bp)) { + /* faild to enable msix */ + bp->num_queues = 1; + if (use_multi) + BNX2X_ERR("Muti requested but failed" + " to enable MSI-X\n"); + } + } + } + + if (bnx2x_alloc_mem(bp)) + return -ENOMEM; + + if (req_irq) { + if (bp->flags & USING_MSIX_FLAG) { + if (bnx2x_req_msix_irqs(bp)) { + pci_disable_msix(bp->pdev); + goto out_error; + } + + } else { + if (bnx2x_req_irq(bp)) { + BNX2X_ERR("IRQ request failed, aborting\n"); + goto out_error; + } + } + } + + for_each_queue(bp, i) + netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), + bnx2x_poll, 128); + + + /* Initialize HW */ + if (bnx2x_function_init(bp, (rc == FW_MSG_CODE_DRV_LOAD_COMMON))) { + BNX2X_ERR("HW init failed, aborting\n"); + 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 and enable interrupts */ + bnx2x_nic_init(bp); + + /* 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) { + BNX2X_ERR("MCP response failure, unloading\n"); + 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 */ + for_each_queue(bp, i) + napi_enable(&bnx2x_fp(bp, i, napi)); + + if (bnx2x_setup_leading(bp)) + goto stop_netif; + + for_each_nondefault_queue(bp, i) + if (bnx2x_setup_multi(bp, i)) + goto stop_netif; + + bnx2x_set_mac_addr(bp); + + bnx2x_phy_init(bp); + + /* Start fast path */ + if (req_irq) { /* IRQ is only requested from bnx2x_open */ + 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: + for_each_queue(bp, i) + napi_disable(&bnx2x_fp(bp, i, napi)); + +int_disable: + bnx2x_disable_int_sync(bp); + + 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) +{ + int i; + + bp->rx_mode = BNX2X_RX_MODE_NONE; + bnx2x_set_storm_rx_mode(bp); + + bnx2x_disable_int_sync(bp); + bnx2x_link_reset(bp); + + for_each_queue(bp, i) + napi_disable(&bnx2x_fp(bp, i, 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; +#ifdef USE_DMAE + u32 wb_write[2]; +#endif + int base, i; + + DP(NETIF_MSG_IFDOWN, "reset called with code %x\n", reset_code); + + /* Do not rcv packets to BRB */ + REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0); + /* Do not direct rcv packets that are not for MCP to the BRB */ + REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP : + NIG_REG_LLH0_BRB1_NOT_MCP), 0x0); + + /* Configure IGU and AEU */ + REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000); + REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0); + + /* TODO: Close Doorbell port? */ + + /* Clear ILT */ +#ifdef USE_DMAE + wb_write[0] = 0; + wb_write[1] = 0; +#endif + base = port * RQ_ONCHIP_AT_PORT_SIZE; + for (i = base; i < base + RQ_ONCHIP_AT_PORT_SIZE; i++) { +#ifdef USE_DMAE + REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); +#else + REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT, 0); + REG_WR_IND(bp, PXP2_REG_RQ_ONCHIP_AT + 4, 0); +#endif + } + + 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_stop_multi(struct bnx2x *bp, int index) +{ + + int rc; + + /* halt the connnection */ + bp->fp[index].state = BNX2X_FP_STATE_HALTING; + bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, 0, 0); + + + rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index, + &(bp->fp[index].state), 1); + if (rc) /* timout */ + return rc; + + /* delete cfc entry */ + bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1); + + return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_DELETED, index, + &(bp->fp[index].state), 1); + +} + + +static void bnx2x_stop_leading(struct bnx2x *bp) +{ + + /* if the other port is hadling traffic, + this can take a lot of time */ + int timeout = 500; + + might_sleep(); + + /* Send HALT ramrod */ + bp->fp[0].state = BNX2X_FP_STATE_HALTING; + bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, 0, 0); + + if (bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0, + &(bp->fp[0].state), 1)) + return; + + 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. + we are going to reset the chip anyway + so there is not much to do if this times out + */ + while (bp->dsb_sp_prod_idx == *bp->dsb_sp_prod && timeout) { + timeout--; + msleep(1); + } + +} + +static int bnx2x_nic_unload(struct bnx2x *bp, int fre_irq) +{ + u32 reset_code = 0; + int rc; + int i; + + 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, disable napi */ + 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); + + EMAC_WR(EMAC_REG_EMAC_MODE, val); + + val = (mac_addr[0] << 8) | mac_addr[1]; + EMAC_WR(EMAC_REG_EMAC_MAC_MATCH, val); + + val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | + (mac_addr[4] << 8) | mac_addr[5]; + EMAC_WR(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; + + for_each_nondefault_queue(bp, i) + if (bnx2x_stop_multi(bp, i)) + goto error; + + + bnx2x_stop_leading(bp); + +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; + + 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 | + SUPPORTED_Autoneg | + SUPPORTED_Pause | + SUPPORTED_Asym_Pause); + 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 | + SUPPORTED_Autoneg | + SUPPORTED_Pause | + SUPPORTED_Asym_Pause); + 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, NIG_REG_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 | + SUPPORTED_Autoneg | + SUPPORTED_Pause | + SUPPORTED_Asym_Pause); + 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 | + SUPPORTED_Pause | + SUPPORTED_Asym_Pause); + 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, NIG_REG_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: + if (bp->supported & SUPPORTED_Autoneg) { + bp->req_autoneg |= AUTONEG_SPEED; + bp->req_line_speed = 0; + bp->advertising = bp->supported; + } else { + u32 ext_phy_type; + + ext_phy_type = XGXS_EXT_PHY_TYPE(bp); + if ((ext_phy_type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) || + (ext_phy_type == + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) { + /* force 10G, no AN */ + bp->req_line_speed = SPEED_10000; + bp->advertising = + (ADVERTISED_10000baseT_Full | + ADVERTISED_FIBRE); + break; + } + BNX2X_ERR("NVRAM config error. " + "Invalid link_config 0x%x" + " Autoneg not supported\n", + bp->link_config); + return; + } + 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; + if (bp->dev->mtu <= 4500) { + bp->pause_mode = PAUSE_BOTH; + bp->advertising |= (ADVERTISED_Pause | + ADVERTISED_Asym_Pause); + } else { + bp->pause_mode = PAUSE_ASYMMETRIC; + bp->advertising |= ADVERTISED_Asym_Pause; + } + break; + + case FLOW_CTRL_TX: + bp->pause_mode = PAUSE_ASYMMETRIC; + bp->advertising |= ADVERTISED_Asym_Pause; + break; + + case FLOW_CTRL_RX: + case FLOW_CTRL_BOTH: + bp->pause_mode = PAUSE_BOTH; + bp->advertising |= (ADVERTISED_Pause | + ADVERTISED_Asym_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, MISC_REG_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, MISC_REG_CHIP_NUM); + id = ((val & 0xffff) << 16); + val = REG_RD(bp, MISC_REG_CHIP_REV); + id |= ((val & 0xf) << 12); + val = REG_RD(bp, MISC_REG_CHIP_METAL); + id |= ((val & 0xff) << 4); + REG_RD(bp, MISC_REG_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, 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; + } + + cmd->maxtxpkt = 0; + cmd->maxrxpkt = 0; + + 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) { + if (!(bp->supported & SUPPORTED_Autoneg)) + return -EINVAL; + + /* 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 speed */ + /* 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); + + if (bp->state != BNX2X_STATE_OPEN) { + DP(NETIF_MSG_PROBE, "state is %x, returning\n", bp->state); + return -EAGAIN; + } + + 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_IS_SLOW(bp)) + count *= 100; + + /* request access to nvram interface */ + REG_WR(bp, 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, 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_IS_SLOW(bp)) + count *= 100; + + /* relinquish nvram interface */ + REG_WR(bp, 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, 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, MCP_REG_MCPR_NVM_ACCESS_ENABLE); + + /* enable both bits, even on read */ + REG_WR(bp, 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, MCP_REG_MCPR_NVM_ACCESS_ENABLE); + + /* disable both bits, even after read */ + REG_WR(bp, 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, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); + + /* address of the NVRAM to read from */ + REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, + (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); + + /* issue a read command */ + REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); + + /* adjust timeout for emulation/FPGA */ + count = NVRAM_TIMEOUT_COUNT; + if (CHIP_REV_IS_SLOW(bp)) + count *= 100; + + /* wait for completion */ + *ret_val = 0; + rc = -EBUSY; + for (i = 0; i < count; i++) { + udelay(5); + val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); + + if (val & MCPR_NVM_COMMAND_DONE) { + val = REG_RD(bp, 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, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); + + /* write the data */ + REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val); + + /* address of the NVRAM to write to */ + REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, + (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); + + /* issue the write command */ + REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); + + /* adjust timeout for emulation/FPGA */ + count = NVRAM_TIMEOUT_COUNT; + if (CHIP_REV_IS_SLOW(bp)) + count *= 100; + + /* wait for completion */ + rc = -EBUSY; + for (i = 0; i < count; i++) { + udelay(5); + val = REG_RD(bp, 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; + if (bp->dev->mtu <= 4500) { + bp->pause_mode = PAUSE_BOTH; + bp->advertising |= (ADVERTISED_Pause | + ADVERTISED_Asym_Pause); + } else { + bp->pause_mode = PAUSE_ASYMMETRIC; + bp->advertising |= 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: + case FLOW_CTRL_BOTH: + bp->pause_mode = PAUSE_BOTH; + bp->advertising |= (ADVERTISED_Pause | + ADVERTISED_Asym_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] = { + { "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); + int stats_state; + + memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS); + + if (bp->state != BNX2X_STATE_OPEN) { + DP(NETIF_MSG_PROBE, "state is %x, returning\n", bp->state); + return; + } + + stats_state = bp->stats_state; + bnx2x_stop_stats(bp); + + if (bnx2x_mc_assert(bp) != 0) { + buf[0] = 1; + etest->flags |= ETH_TEST_FL_FAILED; + } + +#ifdef BNX2X_EXTRA_DEBUG + bnx2x_panic_dump(bp); +#endif + bp->stats_state = stats_state; +} + +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_xon_frames"}, /* 24 */ + { "rx_xoff_frames"}, /* 25 */ + { "tx_xon_frames"}, /* 26 */ + { "tx_xoff_frames"}, /* 27 */ + { "rx_mac_ctrl_frames"}, /* 28 */ + { "rx_filtered_packets"}, /* 29 */ + { "rx_discards"}, /* 30 */ +}; + +#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(pause_xon_frames_received), /* 24 */ + STATS_OFFSET32(pause_xoff_frames_received), /* 25 */ + STATS_OFFSET32(pause_xon_frames_transmitted), /* 26 */ + STATS_OFFSET32(pause_xoff_frames_transmitted), /* 27 */ + STATS_OFFSET32(control_frames_received), /* 28 */ + STATS_OFFSET32(mac_filter_discard), /* 29 */ + STATS_OFFSET32(no_buff_discard), /* 30 */ +}; + +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, +}; + +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. + */ + 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_IFUP, "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 = + swab16(*(u16 *)&mclist->dmi_addr[0]); + config->config_table[i].cam_entry.middle_mac_addr = + swab16(*(u16 *)&mclist->dmi_addr[2]); + config->config_table[i].cam_entry.lsb_mac_addr = + swab16(*(u16 *)&mclist->dmi_addr[4]); + config->config_table[i].cam_entry.flags = + cpu_to_le16(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_IFUP, + "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)) + goto out_panic; +#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 (le16_to_cpu(*fp->tx_cons_sb) != fp->tx_pkt_cons) + bnx2x_tx_int(fp, budget); + + + if (le16_to_cpu(*fp->rx_cons_sb) != fp->rx_comp_cons) + work_done = bnx2x_rx_int(fp, budget); + + + rmb(); /* bnx2x_has_work() reads the status block */ + + /* must not complete if we consumed full budget */ + if ((work_done < budget) && !bnx2x_has_work(fp)) { + +#ifdef BNX2X_STOP_ON_ERROR +out_panic: +#endif + netif_rx_complete(bp->dev, napi); + + bnx2x_ack_sb(bp, fp->index, USTORM_ID, + le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1); + bnx2x_ack_sb(bp, fp->index, CSTORM_ID, + le16_to_cpu(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 *tx_bd; + 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_index = smp_processor_id() % (bp->num_queues); + + 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 DovH for this mess. + */ + + pkt_prod = fp->tx_pkt_prod++; + bd_prod = fp->tx_bd_prod; + bd_prod = TX_BD(bd_prod); + + /* get a tx_buff and first bd */ + tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)]; + tx_bd = &fp->tx_desc_ring[bd_prod]; + + tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; + tx_bd->general_data = (UNICAST_ADDRESS << + ETH_TX_BD_ETH_ADDR_TYPE_SHIFT); + tx_bd->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, tx_bd); + + if (skb->ip_summed == CHECKSUM_PARTIAL) { + struct iphdr *iph = ip_hdr(skb); + u8 len; + + tx_bd->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 *)iph - (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 = cpu_to_le16(len + pbd->ip_hlen); + if (iph->protocol == IPPROTO_TCP) { + struct tcphdr *th = tcp_hdr(skb); + + tx_bd->bd_flags.as_bitfield |= + ETH_TX_BD_FLAGS_TCP_CSUM; + pbd->tcp_flags = htonl(tcp_flag_word(skb)) & 0xFFFF; + pbd->total_hlen += cpu_to_le16(tcp_hdrlen(skb) / 2); + pbd->tcp_pseudo_csum = swab16(th->check); + + } else if (iph->protocol == IPPROTO_UDP) { + struct udphdr *uh = udp_hdr(skb); + + tx_bd->bd_flags.as_bitfield |= + ETH_TX_BD_FLAGS_TCP_CSUM; + pbd->total_hlen += cpu_to_le16(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 != NULL) && vlan_tx_tag_present(skb)) { + tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb)); + tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG; + } else { + tx_bd->vlan = cpu_to_le16(pkt_prod); + } + + mapping = pci_map_single(bp->pdev, skb->data, + skb->len, PCI_DMA_TODEVICE); + + tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); + tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); + nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL)? 1 : 2); + tx_bd->nbd = cpu_to_le16(nbd); + tx_bd->nbytes = cpu_to_le16(skb_headlen(skb)); + + DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d" + " nbytes %d flags %x vlan %u\n", + tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, tx_bd->nbd, + tx_bd->nbytes, tx_bd->bd_flags.as_bitfield, tx_bd->vlan); + + if (skb_shinfo(skb)->gso_size && + (skb->len > (bp->dev->mtu + ETH_HLEN))) { + int hlen = 2 * le32_to_cpu(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); + + tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO; + + if (tx_bd->nbytes > cpu_to_le16(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++; + tx_bd->nbd = cpu_to_le16(nbd); + tx_bd->nbytes = cpu_to_le16(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", tx_bd->nbytes, tx_bd->addr_hi, + tx_bd->addr_lo, tx_bd->nbd); + + /* now get a new data bd + * (after the pbd) and fill it */ + bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); + tx_bd = &fp->tx_desc_ring[bd_prod]; + + tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); + tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping) + hlen); + tx_bd->nbytes = cpu_to_le16(skb_headlen(skb) - hlen); + tx_bd->vlan = cpu_to_le16(pkt_prod); + /* this marks the bd + * as one that has no individual mapping + * the FW ignors this flag in a bd not maked start + */ + tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO; + DP(NETIF_MSG_TX_QUEUED, + "TSO split data size is %d (%x:%x)\n", + tx_bd->nbytes, tx_bd->addr_hi, tx_bd->addr_lo); + } + + if (!pbd) { + /* supposed to be unreached + * (and therefore not handled properly...) + */ + BNX2X_ERR("LSO with no PBD\n"); + BUG(); + } + + pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size); + pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq); + pbd->ip_id = swab16(ip_hdr(skb)->id); + pbd->tcp_pseudo_csum = + swab16(~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)); + tx_bd = &fp->tx_desc_ring[bd_prod]; + + mapping = pci_map_page(bp->pdev, frag->page, + frag->page_offset, + frag->size, PCI_DMA_TODEVICE); + + tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); + tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); + tx_bd->nbytes = cpu_to_le16(frag->size); + tx_bd->vlan = cpu_to_le16(pkt_prod); + tx_bd->bd_flags.as_bitfield = 0; + DP(NETIF_MSG_TX_QUEUED, "frag %d bd @%p" + " addr (%x:%x) nbytes %d flags %x\n", + i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, + tx_bd->nbytes, tx_bd->bd_flags.as_bitfield); + } /* for */ + } + + /* now at last mark the bd as the last bd */ + tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD; + + DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n", + tx_bd, tx_bd->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 += cpu_to_le16(nbd); + mb(); /* FW restriction: must not reorder writing nbd and packets */ + fp->hw_tx_prods->packets_prod += cpu_to_le32(1); + 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) +{ + return &dev->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); +} + +/* 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_MAX_JUMBO_PACKET_SIZE) || + ((new_mtu + ETH_HLEN) < ETH_MIN_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); + INIT_WORK(&bp->sp_task, bnx2x_sp_task); + + 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); + + 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); + + 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; + + 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); + |