diff options
| author | Reyk Floeter <reyk@cvs.openbsd.org> | 2013-06-03 15:05:30 +0000 |
|---|---|---|
| committer | Reyk Floeter <reyk@cvs.openbsd.org> | 2013-06-03 15:05:30 +0000 |
| commit | ebd506cd95f888796ecca05fb6124d563f48f6ad (patch) | |
| tree | b49632b83adcb8b746539fa5af0aa44ceaa99f67 /sys/dev/pci/if_vmx.c | |
| parent | 455f36c2b315fa9dffe024a7e536eff79e05ac56 (diff) | |
Use IF_POLL to check for available transmit descriptors before IF_DEQUEUE.
ok uebayasi@ yasuoka@ dlg@
Diffstat (limited to 'sys/dev/pci/if_vmx.c')
| -rw-r--r-- | sys/dev/pci/if_vmx.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sys/dev/pci/if_vmx.c b/sys/dev/pci/if_vmx.c index d7e5e935f07..d9fc9241423 100644 --- a/sys/dev/pci/if_vmx.c +++ b/sys/dev/pci/if_vmx.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_vmx.c,v 1.1 2013/05/31 20:14:18 uebayasi Exp $ */ +/* $OpenBSD: if_vmx.c,v 1.2 2013/06/03 15:05:29 reyk Exp $ */ /* * Copyright (c) 2013 Tsubai Masanari @@ -1038,7 +1038,10 @@ vmxnet3_start(struct ifnet *ifp) if ((ifp->if_flags & (IFF_RUNNING | IFF_OACTIVE)) != IFF_RUNNING) return; - while (IFQ_LEN(&ifp->if_snd) > 0) { + for (;;) { + IFQ_POLL(&ifp->if_snd, m); + if (m == NULL) + break; if ((ring->next - ring->head - 1) % NTXDESC < 8) { ifp->if_flags |= IFF_OACTIVE; break; |