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| author | hrs <hrs@FreeBSD.org> | 2013-07-31 16:24:49 +0000 |
|---|---|---|
| committer | hrs <hrs@FreeBSD.org> | 2013-07-31 16:24:49 +0000 |
| commit | 64e5ea06531a17c184bfb8319a36165135f613c5 (patch) | |
| tree | 53fdee48ca3460bd33377932da455eae2ecfd826 /sys/netinet6/in6.c | |
| parent | 8ceb091210c8542007672f9ee2739bafbc4eb453 (diff) | |
| download | FreeBSD-src-64e5ea06531a17c184bfb8319a36165135f613c5.zip FreeBSD-src-64e5ea06531a17c184bfb8319a36165135f613c5.tar.gz | |
Allocate in6_ifextra (ifp->if_afdata[AF_INET6]) only for IPv6-capable
interfaces. This eliminates unnecessary IPv6 processing for non-IPv6
interfaces.
MFC after: 3 days
Diffstat (limited to 'sys/netinet6/in6.c')
| -rw-r--r-- | sys/netinet6/in6.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/netinet6/in6.c b/sys/netinet6/in6.c index f8c2b7e..a8930d7 100644 --- a/sys/netinet6/in6.c +++ b/sys/netinet6/in6.c @@ -2746,6 +2746,13 @@ in6_domifattach(struct ifnet *ifp) { struct in6_ifextra *ext; + /* There are not IPv6-capable interfaces. */ + switch (ifp->if_type) { + case IFT_PFLOG: + case IFT_PFSYNC: + case IFT_USB: + return (NULL); + } ext = (struct in6_ifextra *)malloc(sizeof(*ext), M_IFADDR, M_WAITOK); bzero(ext, sizeof(*ext)); |
