diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/efx.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/efx.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index a35c63d43ae..86941816436 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -83,6 +83,7 @@ const char *const efx_reset_type_names[] = { [RESET_TYPE_DMA_ERROR] = "DMA_ERROR", [RESET_TYPE_TX_SKIP] = "TX_SKIP", [RESET_TYPE_MC_FAILURE] = "MC_FAILURE", + [RESET_TYPE_MC_BIST] = "MC_BIST", }; /* Reset workqueue. If any NIC has a hardware failure then a reset will be @@ -91,6 +92,12 @@ const char *const efx_reset_type_names[] = { */ static struct workqueue_struct *reset_workqueue; +/* How often and how many times to poll for a reset while waiting for a + * BIST that another function started to complete. + */ +#define BIST_WAIT_DELAY_MS 100 +#define BIST_WAIT_DELAY_COUNT 100 + /************************************************************************** * * Configurable values @@ -2389,6 +2396,24 @@ int efx_try_recovery(struct efx_nic *efx) return 0; } +static void efx_wait_for_bist_end(struct efx_nic *efx) +{ + int i; + + for (i = 0; i < BIST_WAIT_DELAY_COUNT; ++i) { + if (efx_mcdi_poll_reboot(efx)) + goto out; + msleep(BIST_WAIT_DELAY_MS); + } + + netif_err(efx, drv, efx->net_dev, "Warning: No MC reboot after BIST mode\n"); +out: + /* Either way unset the BIST flag. If we found no reboot we probably + * won't recover, but we should try. + */ + efx->mc_bist_for_other_fn = false; +} + /* The worker thread exists so that code that cannot sleep can * schedule a reset for later. */ @@ -2401,6 +2426,9 @@ static void efx_reset_work(struct work_struct *data) pending = ACCESS_ONCE(efx->reset_pending); method = fls(pending) - 1; + if (method == RESET_TYPE_MC_BIST) + efx_wait_for_bist_end(efx); + if ((method == RESET_TYPE_RECOVER_OR_DISABLE || method == RESET_TYPE_RECOVER_OR_ALL) && efx_try_recovery(efx)) @@ -2439,6 +2467,7 @@ void efx_schedule_reset(struct efx_nic *efx, enum reset_type type) case RESET_TYPE_WORLD: case RESET_TYPE_DISABLE: case RESET_TYPE_RECOVER_OR_DISABLE: + case RESET_TYPE_MC_BIST: method = type; netif_dbg(efx, drv, efx->net_dev, "scheduling %s reset\n", RESET_TYPE(method)); |