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authorrwatson <rwatson@FreeBSD.org>2005-08-09 10:20:02 +0000
committerrwatson <rwatson@FreeBSD.org>2005-08-09 10:20:02 +0000
commit5d770a09e85126b8b3e9fe302c36350a90210cbe (patch)
treebb70e59641e2310a3c26ec449af5ab0cb7420d9d /sys/net/if_ethersubr.c
parent74759aaa78777146f23aa05c856f574efdfb41d9 (diff)
downloadFreeBSD-src-5d770a09e85126b8b3e9fe302c36350a90210cbe.zip
FreeBSD-src-5d770a09e85126b8b3e9fe302c36350a90210cbe.tar.gz
Propagate rename of IFF_OACTIVE and IFF_RUNNING to IFF_DRV_OACTIVE and
IFF_DRV_RUNNING, as well as the move from ifnet.if_flags to ifnet.if_drv_flags. Device drivers are now responsible for synchronizing access to these flags, as they are in if_drv_flags. This helps prevent races between the network stack and device driver in maintaining the interface flags field. Many __FreeBSD__ and __FreeBSD_version checks maintained and continued; some less so. Reviewed by: pjd, bz MFC after: 7 days
Diffstat (limited to 'sys/net/if_ethersubr.c')
-rw-r--r--sys/net/if_ethersubr.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/net/if_ethersubr.c b/sys/net/if_ethersubr.c
index d2423a4..eada2f9 100644
--- a/sys/net/if_ethersubr.c
+++ b/sys/net/if_ethersubr.c
@@ -163,7 +163,8 @@ ether_output(struct ifnet *ifp, struct mbuf *m,
if (ifp->if_flags & IFF_MONITOR)
senderr(ENETDOWN);
- if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING))
+ if (!((ifp->if_flags & IFF_UP) &&
+ (ifp->if_drv_flags & IFF_DRV_RUNNING)))
senderr(ENETDOWN);
hlen = ETHER_HDR_LEN;
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