[BNX2X]: rework slowpath and hw attentions
Signed-off-by: Eliezer Tamir <[EMAIL PROTECTED]> --- drivers/net/bnx2x.c | 466 +++++++++++++++++++++++++++---------------- drivers/net/bnx2x.h | 3 - drivers/net/bnx2x_fw_defs.h | 7 +- 3 files changed, 294 insertions(+), 182 deletions(-) diff --git a/drivers/net/bnx2x.c b/drivers/net/bnx2x.c index 0188cb6..d2258f5 100644 --- a/drivers/net/bnx2x.c +++ b/drivers/net/bnx2x.c @@ -445,7 +445,7 @@ static void bnx2x_panic_dump(struct bnx2x *bp) DP(BNX2X_MSG_STATS, "stats_state - DISABLE\n"); } -static void bnx2x_enable_int(struct bnx2x *bp) +static void bnx2x_int_enable(struct bnx2x *bp) { int port = bp->port; u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; @@ -458,18 +458,26 @@ static void bnx2x_enable_int(struct bnx2x *bp) HC_CONFIG_0_REG_ATTN_BIT_EN_0); } else { val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | + HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | HC_CONFIG_0_REG_INT_LINE_EN_0 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); + + /* Errata A0.158 workaround */ + DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n", + val, port, addr, msix); + + REG_WR(bp, addr, val); + 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", + DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n", val, port, addr, msix); REG_WR(bp, addr, val); } -static void bnx2x_disable_int(struct bnx2x *bp) +static void bnx2x_int_disable(struct bnx2x *bp) { int port = bp->port; u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; @@ -488,7 +496,7 @@ static void bnx2x_disable_int(struct bnx2x *bp) BNX2X_ERR("BUG! proper val not read from IGU!\n"); } -static void bnx2x_disable_int_sync(struct bnx2x *bp) +static void bnx2x_int_disable_sync(struct bnx2x *bp) { int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; @@ -496,7 +504,7 @@ static void bnx2x_disable_int_sync(struct bnx2x *bp) atomic_inc(&bp->intr_sem); /* prevent the HW from sending interrupts */ - bnx2x_disable_int(bp); + bnx2x_int_disable(bp); /* make sure all ISRs are done */ if (msix) { @@ -522,7 +530,7 @@ static void bnx2x_disable_int_sync(struct bnx2x *bp) 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; + u32 igu_addr = (IGU_ADDR_INT_ACK + IGU_FUNC_BASE * bp->port) * 8; struct igu_ack_register igu_ack; igu_ack.status_block_index = index; @@ -570,7 +578,7 @@ static inline int bnx2x_has_work(struct bnx2x_fastpath *fp) static u16 bnx2x_ack_int(struct bnx2x *bp) { - u32 igu_addr = (IGU_ADDR_SIMD_MASK + IGU_PORT_BASE * bp->port) * 8; + u32 igu_addr = (IGU_ADDR_SIMD_MASK + IGU_FUNC_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", @@ -4079,11 +4087,11 @@ static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp) 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 igu_addr = (IGU_ADDR_ATTN_BITS_SET + IGU_FUNC_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; + u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 : + NIG_REG_MASK_INTERRUPT_PORT0; if (~bp->aeu_mask & (asserted & 0xff)) BNX2X_ERR("IGU ERROR\n"); @@ -4101,15 +4109,11 @@ static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 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); + /* save nig interrupt mask */ + bp->nig_mask = REG_RD(bp, nig_int_mask_addr); + REG_WR(bp, nig_int_mask_addr, 0); - nig_status_port = REG_RD(bp, nig_int_addr); bnx2x_link_update(bp); /* handle unicore attn? */ @@ -4162,15 +4166,132 @@ static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) /* now set back the mask */ if (asserted & ATTN_NIG_FOR_FUNC) - REG_WR(bp, nig_mask_addr, bp->nig_mask); + REG_WR(bp, nig_int_mask_addr, bp->nig_mask); } -static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) +static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn) { int port = bp->port; - int index; + int reg_offset; + u32 val; + + if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) { + + reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : + MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); + + val = REG_RD(bp, reg_offset); + val &= ~AEU_INPUTS_ATTN_BITS_SPIO5; + REG_WR(bp, reg_offset, val); + + BNX2X_ERR("SPIO5 hw attention\n"); + + switch (bp->board & SHARED_HW_CFG_BOARD_TYPE_MASK) { + case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G: + /* Fan failure attention */ + + /* The PHY reset is controled by GPIO 1 */ + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, + MISC_REGISTERS_GPIO_OUTPUT_LOW); + /* Low power mode is controled by GPIO 2 */ + bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, + MISC_REGISTERS_GPIO_OUTPUT_LOW); + /* mark the failure */ + bp->ext_phy_config &= + ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK; + bp->ext_phy_config |= + PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE; + SHMEM_WR(bp, + dev_info.port_hw_config[port]. + external_phy_config, + bp->ext_phy_config); + /* log the failure */ + printk(KERN_ERR PFX "Fan Failure on Network" + " Controller %s has caused the driver to" + " shutdown the card to prevent permanent" + " damage. Please contact Dell Support for" + " assistance\n", bp->dev->name); + break; + + default: + break; + } + } +} + +static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn) +{ + u32 val; + + if (attn & 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"); + } +} + +static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn) +{ + u32 val; + + if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) { + + val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR); + BNX2X_ERR("CFC hw attention 0x%x\n", val); + /* CFC error attention */ + if (val & 0x2) + BNX2X_ERR("FATAL error from CFC\n"); + } + + if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) { + + val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0); + BNX2X_ERR("PXP hw attention 0x%x\n", val); + /* RQ_USDMDP_FIFO_OVERFLOW */ + if (val & 0x18000) + BNX2X_ERR("FATAL error from PXP\n"); + } +} + +static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn) +{ + if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) { + + if (attn & BNX2X_MC_ASSERT_BITS) { + + BNX2X_ERR("MC assert!\n"); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0); + bnx2x_panic(); + + } else if (attn & BNX2X_MCP_ASSERT) { + + BNX2X_ERR("MCP assert!\n"); + REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0); + bnx2x_mc_assert(bp); + + } else + BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn); + } + + if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) { + + REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff); + BNX2X_ERR("LATCHED attention 0x%x (masked)\n", attn); + } +} + +static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) +{ struct attn_route attn; struct attn_route group_mask; + int port = bp->port; + int index; u32 reg_addr; u32 val; @@ -4191,64 +4312,14 @@ static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) 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]); - } + bnx2x_attn_int_deasserted3(bp, + attn.sig[3] & group_mask.sig[3]); + bnx2x_attn_int_deasserted1(bp, + attn.sig[1] & group_mask.sig[1]); + bnx2x_attn_int_deasserted2(bp, + attn.sig[2] & group_mask.sig[2]); + bnx2x_attn_int_deasserted0(bp, + attn.sig[0] & group_mask.sig[0]); if ((attn.sig[0] & group_mask.sig[0] & HW_INTERRUT_ASSERT_SET_0) || @@ -4256,7 +4327,15 @@ static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) HW_INTERRUT_ASSERT_SET_1) || (attn.sig[2] & group_mask.sig[2] & HW_INTERRUT_ASSERT_SET_2)) - BNX2X_ERR("FATAL HW block attention\n"); + BNX2X_ERR("FATAL HW block attention" + " set0 0x%x set1 0x%x" + " set2 0x%x\n", + (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)); if ((attn.sig[0] & group_mask.sig[0] & HW_PRTY_ASSERT_SET_0) || @@ -4264,16 +4343,16 @@ static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) HW_PRTY_ASSERT_SET_1) || (attn.sig[2] & group_mask.sig[2] & HW_PRTY_ASSERT_SET_2)) - BNX2X_ERR("FATAL HW block parity attention\n"); + BNX2X_ERR("FATAL HW block parity attention\n"); } } bnx2x_unlock_alr(bp); - reg_addr = (IGU_ADDR_ATTN_BITS_CLR + IGU_PORT_BASE * port) * 8; + reg_addr = (IGU_ADDR_ATTN_BITS_CLR + IGU_FUNC_BASE * port) * 8; val = ~deasserted; -/* DP(NETIF_MSG_INTR, "write 0x%08x to IGU addr 0x%x\n", +/* 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); @@ -4329,7 +4408,7 @@ static void bnx2x_sp_task(struct work_struct *work) /* 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"); + DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n"); return; } @@ -4339,12 +4418,11 @@ static void bnx2x_sp_task(struct work_struct *work) DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status); - if (status & 0x1) { - /* HW attentions */ + /* HW attentions */ + if (status & 0x1) bnx2x_attn_int(bp); - } - /* CStorm events: query_stats, cfc delete ramrods */ + /* CStorm events: query_stats, port delete ramrod */ if (status & 0x2) bp->stat_pending = 0; @@ -4358,6 +4436,7 @@ static void bnx2x_sp_task(struct work_struct *work) 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) @@ -4367,11 +4446,11 @@ static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance) /* 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"); + DP(BNX2X_MSG_SP, "called but intr_sem not 0, returning\n"); return IRQ_HANDLED; } - bnx2x_ack_sb(bp, 16, XSTORM_ID, 0, IGU_INT_DISABLE, 0); + bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0); #ifdef BNX2X_STOP_ON_ERROR if (unlikely(bp->panic)) @@ -5711,7 +5790,7 @@ static void bnx2x_nic_init(struct bnx2x *bp) bnx2x_init_internal(bp); bnx2x_init_stats(bp); bnx2x_init_ind_table(bp); - bnx2x_enable_int(bp); + bnx2x_int_enable(bp); } @@ -6803,14 +6882,11 @@ static void bnx2x_free_msix_irqs(struct bnx2x *bp) "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"); + if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED) + BNX2X_ERR("IRQ of fp #%d being freed while " + "state != closed\n", i); + free_irq(bp->msix_table[i + 1].vector, &bp->fp[i]); } } @@ -6840,7 +6916,7 @@ static int bnx2x_enable_msix(struct bnx2x *bp) if (pci_enable_msix(bp->pdev, &bp->msix_table[0], bp->num_queues + 1)){ - BNX2X_ERR("failed to enable msix\n"); + BNX2X_LOG("failed to enable MSI-X\n"); return -1; } @@ -6857,8 +6933,6 @@ 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); @@ -6873,7 +6947,8 @@ static int bnx2x_req_msix_irqs(struct bnx2x *bp) bp->dev->name, &bp->fp[i]); if (rc) { - BNX2X_ERR("request fp #%d irq failed\n", i); + BNX2X_ERR("request fp #%d irq failed " + "rc %d\n", i, rc); bnx2x_free_msix_irqs(bp); return -EBUSY; } @@ -7006,12 +7081,13 @@ 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); + /* SETUP ramrod */ 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); + &(bp->fp[index].state), 0); } @@ -7021,8 +7097,8 @@ 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; + u32 load_code; + int i; bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD; @@ -7032,12 +7108,17 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) initialized, otherwise - not. */ if (!nomcp) { - rc = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); - if (rc == FW_MSG_CODE_DRV_LOAD_REFUSED) { + load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); + if (!load_code) { + BNX2X_ERR("MCP response failure, unloading\n"); + return -EBUSY; + } + if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) { + BNX2X_ERR("MCP refused load request, unloading\n"); return -EBUSY; /* other port in diagnostic mode */ } } else { - rc = FW_MSG_CODE_DRV_LOAD_COMMON; + load_code = FW_MSG_CODE_DRV_LOAD_COMMON; } /* if we can't use msix we only need one fp, @@ -7075,13 +7156,13 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) if (bp->flags & USING_MSIX_FLAG) { if (bnx2x_req_msix_irqs(bp)) { pci_disable_msix(bp->pdev); - goto out_error; + goto load_error; } } else { if (bnx2x_req_irq(bp)) { BNX2X_ERR("IRQ request failed, aborting\n"); - goto out_error; + goto load_error; } } } @@ -7092,9 +7173,10 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) /* Initialize HW */ - if (bnx2x_function_init(bp, (rc == FW_MSG_CODE_DRV_LOAD_COMMON))) { + if (bnx2x_function_init(bp, + (load_code == FW_MSG_CODE_DRV_LOAD_COMMON))) { BNX2X_ERR("HW init failed, aborting\n"); - goto out_error; + goto load_error; } @@ -7106,11 +7188,10 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) /* 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) { + load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE); + if (!load_code) { BNX2X_ERR("MCP response failure, unloading\n"); - goto int_disable; + goto load_int_disable; } } @@ -7122,11 +7203,11 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) napi_enable(&bnx2x_fp(bp, i, napi)); if (bnx2x_setup_leading(bp)) - goto stop_netif; + goto load_stop_netif; for_each_nondefault_queue(bp, i) if (bnx2x_setup_multi(bp, i)) - goto stop_netif; + goto load_stop_netif; bnx2x_set_mac_addr(bp); @@ -7150,42 +7231,24 @@ static int bnx2x_nic_load(struct bnx2x *bp, int req_irq) return 0; -stop_netif: +load_stop_netif: for_each_queue(bp, i) napi_disable(&bnx2x_fp(bp, i, napi)); -int_disable: - bnx2x_disable_int_sync(bp); +load_int_disable: + bnx2x_int_disable_sync(bp); bnx2x_free_skbs(bp); bnx2x_free_irq(bp); -out_error: +load_error: bnx2x_free_mem(bp); /* TBD we really need to reset the chip if we want to recover from this */ - return rc; + return -EBUSY; } -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) { @@ -7276,7 +7339,7 @@ static void bnx2x_stop_leading(struct bnx2x *bp) dsb_sp_prod_idx = *bp->dsb_sp_prod; - /* Send CFC_DELETE ramrod */ + /* Send PORT_DELETE ramrod */ bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1); /* Wait for completion to arrive on default status block @@ -7297,29 +7360,48 @@ static void bnx2x_stop_leading(struct bnx2x *bp) } -static int bnx2x_nic_unload(struct bnx2x *bp, int fre_irq) +static int bnx2x_nic_unload(struct bnx2x *bp, int free_irq) { u32 reset_code = 0; - int rc; - int i; + int i, timeout; bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT; - cancel_work_sync(&bp->reset_task); - - /* Delete the timer: do it before disabling interrupts, as it - may be still STAT_QUERY ramrod pending after stopping the timer */ del_timer_sync(&bp->timer); + bp->rx_mode = BNX2X_RX_MODE_NONE; + bnx2x_set_storm_rx_mode(bp); + + if (netif_running(bp->dev)) { + netif_tx_disable(bp->dev); + bp->dev->trans_start = jiffies; /* prevent tx timeout */ + } + + /* Wait until all fast path tasks complete */ + for_each_queue(bp, i) { + struct bnx2x_fastpath *fp = &bp->fp[i]; + + timeout = 1000; + while (bnx2x_has_work(fp) && (timeout--)) + msleep(1); + if (!timeout) + BNX2X_ERR("timeout waiting for queue[%d]\n", i); + } + /* Wait until stat ramrod returns and all SP tasks complete */ - while (bp->stat_pending && (bp->spq_left != MAX_SPQ_PENDING)) + timeout = 1000; + while ((bp->stat_pending || (bp->spq_left != MAX_SPQ_PENDING)) && + (timeout--)) msleep(1); - /* Stop fast path, disable MAC, disable interrupts, disable napi */ - bnx2x_netif_stop(bp); + for_each_queue(bp, i) + napi_disable(&bnx2x_fp(bp, i, napi)); + /* Disable interrupts after Tx and Rx are disabled on stack level */ + bnx2x_int_disable_sync(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; @@ -7336,28 +7418,37 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int fre_irq) 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; + /* Close multi and leading connections */ for_each_nondefault_queue(bp, i) if (bnx2x_stop_multi(bp, i)) - goto error; - + goto unload_error; bnx2x_stop_leading(bp); + if ((bp->state != BNX2X_STATE_CLOSING_WAIT4_UNLOAD) || + (bp->fp[0].state != BNX2X_FP_STATE_CLOSED)) { + DP(NETIF_MSG_IFDOWN, "failed to close leading properly!" + "state 0x%x fp[0].state 0x%x", + bp->state, bp->fp[0].state); + } + +unload_error: + bnx2x_link_reset(bp); -error: if (!nomcp) - rc = bnx2x_fw_command(bp, reset_code); + reset_code = bnx2x_fw_command(bp, reset_code); else - rc = FW_MSG_CODE_DRV_UNLOAD_COMMON; + reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON; /* Release IRQs */ - if (fre_irq) + if (free_irq) bnx2x_free_irq(bp); /* Reset the chip */ - bnx2x_reset_chip(bp, rc); + bnx2x_reset_chip(bp, reset_code); /* Report UNLOAD_DONE to MCP */ if (!nomcp) @@ -7368,8 +7459,7 @@ error: bnx2x_free_mem(bp); bp->state = BNX2X_STATE_CLOSED; - /* Set link down */ - bp->link_up = 0; + netif_carrier_off(bp->dev); return 0; @@ -9385,16 +9475,13 @@ static int bnx2x_open(struct net_device *dev) /* 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); + bnx2x_nic_unload(bp, 1); + + if (!CHIP_REV_IS_SLOW(bp)) + bnx2x_set_power_state(bp, PCI_D3hot); return 0; } @@ -9537,10 +9624,18 @@ static void bnx2x_reset_task(struct work_struct *work) if (!netif_running(bp->dev)) return; - bnx2x_netif_stop(bp); + rtnl_lock(); + + if (bp->state != BNX2X_STATE_OPEN) { + DP(NETIF_MSG_TX_ERR, "state is %x, returning\n", bp->state); + goto reset_task_exit; + } bnx2x_nic_unload(bp, 0); bnx2x_nic_load(bp, 0); + +reset_task_exit: + rtnl_unlock(); } static int __devinit bnx2x_init_board(struct pci_dev *pdev, @@ -9826,7 +9921,15 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev, static void __devexit bnx2x_remove_one(struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); - struct bnx2x *bp = netdev_priv(dev); + struct bnx2x *bp; + + if (!dev) { + /* we get here if init_one() fails */ + printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); + return; + } + + bp = netdev_priv(dev); unregister_netdev(dev); @@ -9845,34 +9948,43 @@ static void __devexit bnx2x_remove_one(struct pci_dev *pdev) 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; + struct bnx2x *bp; + + if (!dev) + return 0; if (!netif_running(dev)) return 0; - rc = bnx2x_nic_unload(bp, 0); - if (!rc) - return rc; + bp = netdev_priv(dev); + + bnx2x_nic_unload(bp, 0); netif_device_detach(dev); - pci_save_state(pdev); + 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); + struct bnx2x *bp; int rc; + if (!dev) { + printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); + return -ENODEV; + } + if (!netif_running(dev)) return 0; - pci_restore_state(pdev); + bp = netdev_priv(dev); + pci_restore_state(pdev); bnx2x_set_power_state(bp, PCI_D0); netif_device_attach(dev); diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index 568e075..0cdcb1b 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -545,8 +545,6 @@ struct bnx2x { spinlock_t phy_lock; struct work_struct reset_task; - u16 in_reset_task; - struct work_struct sp_task; struct timer_list timer; @@ -560,7 +558,6 @@ struct bnx2x { #define CHIP_ID(bp) (((bp)->chip_id) & 0xfffffff0) #define CHIP_NUM(bp) (((bp)->chip_id) & 0xffff0000) -#define CHIP_NUM_5710 0x57100000 #define CHIP_REV(bp) (((bp)->chip_id) & 0x0000f000) #define CHIP_REV_Ax 0x00000000 diff --git a/drivers/net/bnx2x_fw_defs.h b/drivers/net/bnx2x_fw_defs.h index 62a6eb8..eadabb8 100644 --- a/drivers/net/bnx2x_fw_defs.h +++ b/drivers/net/bnx2x_fw_defs.h @@ -1,6 +1,6 @@ /* bnx2x_fw_defs.h: Broadcom Everest network driver. * - * Copyright (c) 2007 Broadcom Corporation + * Copyright (c) 2007-2008 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 @@ -8,6 +8,7 @@ */ +#define CSTORM_ASSERT_LIST_INDEX_OFFSET 0x1000 #define CSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index)\ (0x1922 + (port * 0x40) + (index * 0x4)) #define CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)\ @@ -21,6 +22,7 @@ #define CSTORM_SB_HOST_SB_ADDR_OFFSET(port, cpu_id)\ (0x1400 + (port * 0x280) + (cpu_id * 0x28)) #define CSTORM_STATS_FLAGS_OFFSET(port) (0x5108 + (port * 0x8)) +#define TSTORM_ASSERT_LIST_INDEX_OFFSET 0x1000 #define TSTORM_CLIENT_CONFIG_OFFSET(port, client_id)\ (0x1510 + (port * 0x240) + (client_id * 0x20)) #define TSTORM_DEF_SB_HC_DISABLE_OFFSET(port, index)\ @@ -41,6 +43,7 @@ #define TSTORM_RCQ_PROD_OFFSET(port, client_id)\ (0x1508 + (port * 0x240) + (client_id * 0x20)) #define TSTORM_STATS_FLAGS_OFFSET(port) (0x4b90 + (port * 0x8)) +#define USTORM_ASSERT_LIST_INDEX_OFFSET 0x1000 #define USTORM_DEF_SB_HC_DISABLE_OFFSET(port, index)\ (0x191a + (port * 0x28) + (index * 0x4)) #define USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(port)\ @@ -121,7 +124,7 @@ /* Host coalescing constants */ /* IGU constants */ -#define IGU_PORT_BASE 0x0400 +#define IGU_FUNC_BASE 0x0400 #define IGU_ADDR_MSIX 0x0000 #define IGU_ADDR_INT_ACK 0x0200 -- 1.5.3.2 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html