commit 23bdfdd388723b8213f597743b1d4aba0d62de9c
author Steve Hodgson <shodgson@solarflare.com> Mon Jun 09 19:34:32 2008 +0100
committer Jeff Garzik <jgarzik@redhat.com> Tue Jun 10 18:20:21 2008 -0400
tree 6c9d0d52f338a943d4482b83cb81f19ef318c3c7
parent bf4d593479e0a3f349118f9b8c40a6bc37bf1e2e

sfc: Recover from RX queue flush failure

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>

drivers/net/sfc/falcon.c

diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c
index d3f749c..790db89 100644
--- a/drivers/net/sfc/falcon.c
+++ b/drivers/net/sfc/falcon.c
@@ -733,8 +733,10 @@
 			continue;
 		break;
 	}
-	if (rc)
+	if (rc) {
 		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 */
 	EFX_ZERO_OWORD(rx_desc_ptr);