diff options
Diffstat (limited to 'sys/netgraph/ng_iface.c')
| -rw-r--r-- | sys/netgraph/ng_iface.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/sys/netgraph/ng_iface.c b/sys/netgraph/ng_iface.c index 91b6a3d..b7c2314 100644 --- a/sys/netgraph/ng_iface.c +++ b/sys/netgraph/ng_iface.c @@ -352,6 +352,7 @@ ng_iface_output(struct ifnet *ifp, struct mbuf *m, const priv_p priv = (priv_p) ifp->if_softc; const iffam_p iffam = get_iffam_from_af(dst->sa_family); int len, error = 0; + u_int32_t af; /* Check interface flags */ if ((ifp->if_flags & (IFF_UP|IFF_RUNNING)) != (IFF_UP|IFF_RUNNING)) { @@ -359,14 +360,10 @@ ng_iface_output(struct ifnet *ifp, struct mbuf *m, return (ENETDOWN); } - /* BPF writes need to be handled specially */ + /* BPF writes need to be handled specially. */ if (dst->sa_family == AF_UNSPEC) { - if (m->m_len < 4 && (m = m_pullup(m, 4)) == NULL) - return (ENOBUFS); - dst->sa_family = (sa_family_t)*mtod(m, int32_t *); - m->m_data += 4; - m->m_len -= 4; - m->m_pkthdr.len -= 4; + bcopy(dst->sa_data, &af, sizeof(af)); + dst->sa_family = af; } /* Berkeley packet filter */ @@ -508,7 +505,7 @@ ng_iface_constructor(node_p node) /* Attach the interface */ if_attach(ifp); - bpfattach(ifp, DLT_NULL, sizeof(u_int)); + bpfattach(ifp, DLT_NULL, sizeof(u_int32_t)); /* Done */ return (0); |
