diff options
| author | Jonathan Gray <jsg@cvs.openbsd.org> | 2007-09-12 00:42:05 +0000 |
|---|---|---|
| committer | Jonathan Gray <jsg@cvs.openbsd.org> | 2007-09-12 00:42:05 +0000 |
| commit | 056ba8db1525fb48fda4d90115f1b9bbc79788d6 (patch) | |
| tree | a1331579c99cebcfdca08ae782d08b88df5ee97d /sys/dev/pci/if_nfe.c | |
| parent | 5279663cb57b6885a68b717bda1acc300cbdafd0 (diff) | |
In nfe_start() do a fast return if IFF_OACTIVE is set, in
this case we need a Tx interrupt to clean up the DMA ring
before if_start can be properly called.
Diff based on a comment by & ok claudio@
Diffstat (limited to 'sys/dev/pci/if_nfe.c')
| -rw-r--r-- | sys/dev/pci/if_nfe.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/dev/pci/if_nfe.c b/sys/dev/pci/if_nfe.c index d7555071272..4caf81c2a20 100644 --- a/sys/dev/pci/if_nfe.c +++ b/sys/dev/pci/if_nfe.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_nfe.c,v 1.71 2007/09/07 19:05:05 damien Exp $ */ +/* $OpenBSD: if_nfe.c,v 1.72 2007/09/12 00:42:04 jsg Exp $ */ /*- * Copyright (c) 2006, 2007 Damien Bergamini <damien.bergamini@free.fr> @@ -999,6 +999,9 @@ nfe_start(struct ifnet *ifp) int old = sc->txq.cur; struct mbuf *m0; + if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) + return; + for (;;) { IFQ_POLL(&ifp->if_snd, m0); if (m0 == NULL) |