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| author | hrs <hrs@FreeBSD.org> | 2013-05-11 19:05:38 +0000 |
|---|---|---|
| committer | hrs <hrs@FreeBSD.org> | 2013-05-11 19:05:38 +0000 |
| commit | 960e7e9fd4f902c33ef15129c7fe48d67014ca2c (patch) | |
| tree | f026acc75343454ccfc9289172130ed69d9e0f61 /sys/net/if_gre.c | |
| parent | 35ec1b4a110cad5eb51175c8cba9e210c99a6e72 (diff) | |
| download | FreeBSD-src-960e7e9fd4f902c33ef15129c7fe48d67014ca2c.zip FreeBSD-src-960e7e9fd4f902c33ef15129c7fe48d67014ca2c.tar.gz | |
Add IFF_MONITOR support to gre(4).
Tested by: Chip Marshall
MFC after: 1 week
Diffstat (limited to 'sys/net/if_gre.c')
| -rw-r--r-- | sys/net/if_gre.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/net/if_gre.c b/sys/net/if_gre.c index 3d33766..df0fc82 100644 --- a/sys/net/if_gre.c +++ b/sys/net/if_gre.c @@ -341,6 +341,12 @@ gre_output(struct ifnet *ifp, struct mbuf *m, const struct sockaddr *dst, if (bpf_peers_present(ifp->if_bpf)) bpf_mtap2(ifp->if_bpf, &af, sizeof(af), m); + if ((ifp->if_flags & IFF_MONITOR) != 0) { + m_freem(m); + error = ENETDOWN; + goto end; + } + m->m_flags &= ~(M_BCAST|M_MCAST); if (sc->g_proto == IPPROTO_MOBILE) { |
