diff options
| -rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 82 |
1 files changed, 52 insertions, 30 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index f8a834faf53b..402d9f50d92c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -10107,34 +10107,56 @@ void bnxt_fw_exception(struct bnxt *bp) bnxt_rtnl_unlock_sp(bp); } -void bnxt_fw_reset(struct bnxt *bp) +/* Returns the number of registered VFs, or 1 if VF configuration is pending, or + * < 0 on error. + */ +static int bnxt_get_registered_vfs(struct bnxt *bp) { +#ifdef CONFIG_BNXT_SRIOV int rc; + if (!BNXT_PF(bp)) + return 0; + + rc = bnxt_hwrm_func_qcfg(bp); + if (rc) { + netdev_err(bp->dev, "func_qcfg cmd failed, rc = %d\n", rc); + return rc; + } + if (bp->pf.registered_vfs) + return bp->pf.registered_vfs; + if (bp->sriov_cfg) + return 1; +#endif + return 0; +} + +void bnxt_fw_reset(struct bnxt *bp) +{ bnxt_rtnl_lock_sp(bp); if (test_bit(BNXT_STATE_OPEN, &bp->state) && !test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) { + int n = 0; + set_bit(BNXT_STATE_IN_FW_RESET, &bp->state); - if (BNXT_PF(bp) && bp->pf.active_vfs && - !test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) { - rc = bnxt_hwrm_func_qcfg(bp); - if (rc) { - netdev_err(bp->dev, "Firmware reset aborted, first func_qcfg cmd failed, rc = %d\n", - rc); - clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); - dev_close(bp->dev); - goto fw_reset_exit; - } - if (bp->pf.registered_vfs || bp->sriov_cfg) { - u16 vf_tmo_dsecs = bp->pf.registered_vfs * 10; - - if (bp->fw_reset_max_dsecs < vf_tmo_dsecs) - bp->fw_reset_max_dsecs = vf_tmo_dsecs; - bp->fw_reset_state = - BNXT_FW_RESET_STATE_POLL_VF; - bnxt_queue_fw_reset_work(bp, HZ / 10); - goto fw_reset_exit; - } + if (bp->pf.active_vfs && + !test_bit(BNXT_STATE_FW_FATAL_COND, &bp->state)) + n = bnxt_get_registered_vfs(bp); + if (n < 0) { + netdev_err(bp->dev, "Firmware reset aborted, rc = %d\n", + n); + clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); + dev_close(bp->dev); + goto fw_reset_exit; + } else if (n > 0) { + u16 vf_tmo_dsecs = n * 10; + + if (bp->fw_reset_max_dsecs < vf_tmo_dsecs) + bp->fw_reset_max_dsecs = vf_tmo_dsecs; + bp->fw_reset_state = + BNXT_FW_RESET_STATE_POLL_VF; + bnxt_queue_fw_reset_work(bp, HZ / 10); + goto fw_reset_exit; } bnxt_fw_reset_close(bp); bp->fw_reset_state = BNXT_FW_RESET_STATE_ENABLE_DEV; @@ -10579,22 +10601,21 @@ static void bnxt_fw_reset_task(struct work_struct *work) } switch (bp->fw_reset_state) { - case BNXT_FW_RESET_STATE_POLL_VF: - rc = bnxt_hwrm_func_qcfg(bp); - if (rc) { + case BNXT_FW_RESET_STATE_POLL_VF: { + int n = bnxt_get_registered_vfs(bp); + + if (n < 0) { netdev_err(bp->dev, "Firmware reset aborted, subsequent func_qcfg cmd failed, rc = %d, %d msecs since reset timestamp\n", - rc, jiffies_to_msecs(jiffies - + n, jiffies_to_msecs(jiffies - bp->fw_reset_timestamp)); goto fw_reset_abort; - } - if (bp->pf.registered_vfs || bp->sriov_cfg) { + } else if (n > 0) { if (time_after(jiffies, bp->fw_reset_timestamp + (bp->fw_reset_max_dsecs * HZ / 10))) { clear_bit(BNXT_STATE_IN_FW_RESET, &bp->state); bp->fw_reset_state = 0; - netdev_err(bp->dev, "Firmware reset aborted, %d VFs still registered, sriov_cfg %d\n", - bp->pf.registered_vfs, - bp->sriov_cfg); + netdev_err(bp->dev, "Firmware reset aborted, bnxt_get_registered_vfs() returns %d\n", + n); return; } bnxt_queue_fw_reset_work(bp, HZ / 10); @@ -10607,6 +10628,7 @@ static void bnxt_fw_reset_task(struct work_struct *work) rtnl_unlock(); bnxt_queue_fw_reset_work(bp, bp->fw_reset_min_dsecs * HZ / 10); return; + } case BNXT_FW_RESET_STATE_RESET_FW: { u32 wait_dsecs = bp->fw_health->post_reset_wait_dsecs; |