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cxgb3: Handle ARP completions that mark neighbors stale. 

When ARP completes due to a request rather than a reply the neighbor is
marked NUD_STALE instead of reachable (see arp_process()).  The handler
for the resulting netevent needs to check also for NUD_STALE.

Failure to use the arp entry can cause RDMA connection failures.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Acked-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Steve Wise 2008-02-06 12:05:19 -06:00 committed by Jeff Garzik
parent 6585b4a71f
commit 4eb61e0231
1 changed files with 1 additions and 1 deletions
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2
drivers/net/cxgb3/l2t.c
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@ -404,7 +404,7 @@ found:
if (neigh->nud_state & NUD_FAILED) {
arpq = e->arpq_head;
e->arpq_head = e->arpq_tail = NULL;
} else if (neigh_is_connected(neigh))
} else if (neigh->nud_state & (NUD_CONNECTED|NUD_STALE))
setup_l2e_send_pending(dev, NULL, e);
} else {
e->state = neigh_is_connected(neigh) ?