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sfc: Recover from RX queue flush failure

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RX queue flush can fail if traffic continues to arrive.  Recover by
performing an invisible reset.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Steve Hodgson
2008-06-09 19:34:32 +01:00
committed by Jeff Garzik
parent bf4d593479
commit 23bdfdd388
1 changed files with 3 additions and 1 deletions
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4
drivers/net/sfc/falcon.c
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@@ -733,8 +733,10 @@ void falcon_fini_rx(struct efx_rx_queue *rx_queue)
continue; continue;
break; break;
} }
if (rc) if (rc) {
EFX_ERR(efx, "failed to flush rx queue %d\n", rx_queue->queue); EFX_ERR(efx, "failed to flush rx queue %d\n", rx_queue->queue);
efx_schedule_reset(efx, RESET_TYPE_INVISIBLE);
}
/* Remove RX descriptor ring from card */ /* Remove RX descriptor ring from card */
EFX_ZERO_OWORD(rx_desc_ptr); EFX_ZERO_OWORD(rx_desc_ptr);