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Date: Wed, 20 Feb 2008 19:34:01 +0200
From: "Eliezer Tamir" <eliezert@...adcom.com>
To: davem@...emloft.net, jeff@...zik.org, netdev@...r.kernel.org
Subject: [PATCH 2.6.25 4/8][BNX2X]: rework slowpath and hw attentions
[BNX2X]: rework slowpath and hw attentions
Signed-off-by: Eliezer Tamir <eliezert@...adcom.com>
---
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
--
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