diff options
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt.c')
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 80 |
1 files changed, 78 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 5c7379e2918c..f8a834faf53b 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1988,7 +1988,9 @@ static int bnxt_async_event_process(struct bnxt *bp, goto async_event_process_exit; set_bit(BNXT_RESET_TASK_SILENT_SP_EVENT, &bp->sp_event); break; - case ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY: + case ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY: { + u32 data1 = le32_to_cpu(cmpl->event_data1); + bp->fw_reset_timestamp = jiffies; bp->fw_reset_min_dsecs = cmpl->timestamp_lo; if (!bp->fw_reset_min_dsecs) @@ -1996,8 +1998,16 @@ static int bnxt_async_event_process(struct bnxt *bp, bp->fw_reset_max_dsecs = le16_to_cpu(cmpl->timestamp_hi); if (!bp->fw_reset_max_dsecs) bp->fw_reset_max_dsecs = BNXT_DFLT_FW_RST_MAX_DSECS; + if (EVENT_DATA1_RESET_NOTIFY_FATAL(data1)) { + netdev_warn(bp->dev, "Firmware fatal reset event received\n"); + set_bit(BNXT_STATE_FW_FATAL_COND, &bp->state); + } else { + netdev_warn(bp->dev, "Firmware non-fatal reset event received, max wait time %d msec\n", + bp->fw_reset_max_dsecs * 100); + } set_bit(BNXT_FW_RESET_NOTIFY_SP_EVENT, &bp->sp_event); break; + } case ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY: { struct bnxt_fw_health *fw_health = bp->fw_health; u32 data1 = le32_to_cpu(cmpl->event_data1); @@ -4414,6 +4424,7 @@ static int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp) { struct hwrm_func_drv_rgtr_output *resp = bp->hwrm_cmd_resp_addr; struct hwrm_func_drv_rgtr_input req = {0}; + u32 flags; int rc; bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_RGTR, -1, -1); @@ -4423,7 +4434,11 @@ static int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp) FUNC_DRV_RGTR_REQ_ENABLES_VER); req.os_type = cpu_to_le16(FUNC_DRV_RGTR_REQ_OS_TYPE_LINUX); - req.flags = cpu_to_le32(FUNC_DRV_RGTR_REQ_FLAGS_16BIT_VER_MODE); + flags = FUNC_DRV_RGTR_REQ_FLAGS_16BIT_VER_MODE | + FUNC_DRV_RGTR_REQ_FLAGS_HOT_RESET_SUPPORT; + if (bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY) + flags |= FUNC_DRV_RGTR_REQ_FLAGS_ERROR_RECOVERY_SUPPORT; + req.flags = cpu_to_le32(flags); req.ver_maj_8b = DRV_VER_MAJ; req.ver_min_8b = DRV_VER_MIN; req.ver_upd_8b = DRV_VER_UPD; @@ -9926,6 +9941,38 @@ static void bnxt_tx_timeout(struct net_device *dev) bnxt_queue_sp_work(bp); } +static void bnxt_fw_health_check(struct bnxt *bp) +{ + struct bnxt_fw_health *fw_health = bp->fw_health; + u32 val; + + if (!fw_health || !fw_health->enabled || + test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) + return; + + if (fw_health->tmr_counter) { + fw_health->tmr_counter--; + return; + } + + val = bnxt_fw_health_readl(bp, BNXT_FW_HEARTBEAT_REG); + if (val == fw_health->last_fw_heartbeat) + goto fw_reset; + + fw_health->last_fw_heartbeat = val; + + val = bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG); + if (val != fw_health->last_fw_reset_cnt) + goto fw_reset; + + fw_health->tmr_counter = fw_health->tmr_multiplier; + return; + +fw_reset: + set_bit(BNXT_FW_EXCEPTION_SP_EVENT, &bp->sp_event); + bnxt_queue_sp_work(bp); +} + static void bnxt_timer(struct timer_list *t) { struct bnxt *bp = from_timer(bp, t, timer); @@ -9937,6 +9984,9 @@ static void bnxt_timer(struct timer_list *t) if (atomic_read(&bp->intr_sem) != 0) goto bnxt_restart_timer; + if (bp->fw_cap & BNXT_FW_CAP_ERROR_RECOVERY) + bnxt_fw_health_check(bp); + if (bp->link_info.link_up && (bp->flags & BNXT_FLAG_PORT_STATS) && bp->stats_coal_ticks) { set_bit(BNXT_PERIODIC_STATS_SP_EVENT, &bp->sp_event); @@ -10003,6 +10053,26 @@ static void bnxt_fw_reset_close(struct bnxt *bp) bp->ctx = NULL; } +static bool is_bnxt_fw_ok(struct bnxt *bp) +{ + struct bnxt_fw_health *fw_health = bp->fw_health; + bool no_heartbeat = false, has_reset = false; + u32 val; + + val = bnxt_fw_health_readl(bp, BNXT_FW_HEARTBEAT_REG); + if (val == fw_health->last_fw_heartbeat) + no_heartbeat = true; + + val = bnxt_fw_health_readl(bp, BNXT_FW_RESET_CNT_REG); + if (val != fw_health->last_fw_reset_cnt) + has_reset = true; + + if (!no_heartbeat && has_reset) + return true; + + return false; +} + /* rtnl_lock is acquired before calling this function */ static void bnxt_force_fw_reset(struct bnxt *bp) { @@ -10207,6 +10277,12 @@ static void bnxt_sp_task(struct work_struct *work) if (test_and_clear_bit(BNXT_FW_RESET_NOTIFY_SP_EVENT, &bp->sp_event)) bnxt_devlink_health_report(bp, BNXT_FW_RESET_NOTIFY_SP_EVENT); + if (test_and_clear_bit(BNXT_FW_EXCEPTION_SP_EVENT, &bp->sp_event)) { + if (!is_bnxt_fw_ok(bp)) + bnxt_devlink_health_report(bp, + BNXT_FW_EXCEPTION_SP_EVENT); + } + smp_mb__before_atomic(); clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); } |