diff options
Diffstat (limited to 'sys/netinet6/ip6_input.c')
| -rw-r--r-- | sys/netinet6/ip6_input.c | 50 |
1 files changed, 47 insertions, 3 deletions
diff --git a/sys/netinet6/ip6_input.c b/sys/netinet6/ip6_input.c index 9e7573a..ec82250 100644 --- a/sys/netinet6/ip6_input.c +++ b/sys/netinet6/ip6_input.c @@ -514,10 +514,54 @@ passin: (struct sockaddr *)&dst6); IF_AFDATA_UNLOCK(ifp); if ((lle != NULL) && (lle->la_flags & LLE_IFADDR)) { - ours = 1; - deliverifp = ifp; + struct ifaddr *ifa; + struct in6_ifaddr *ia6; + int bad; + + bad = 1; +#define sa_equal(a1, a2) \ + (bcmp((a1), (a2), ((a1))->sin6_len) == 0) + IF_ADDR_LOCK(ifp); + TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { + if (ifa->ifa_addr->sa_family != dst6.sin6_family) + continue; + if (sa_equal(&dst6, ifa->ifa_addr)) + break; + } + KASSERT(ifa != NULL, ("%s: ifa not found for lle %p", + __func__, lle)); +#undef sa_equal + + ia6 = (struct in6_ifaddr *)ifa; + if (!(ia6->ia6_flags & IN6_IFF_NOTREADY)) { + /* Count the packet in the ip address stats */ + ia6->ia_ifa.if_ipackets++; + ia6->ia_ifa.if_ibytes += m->m_pkthdr.len; + + /* + * record address information into m_tag. + */ + (void)ip6_setdstifaddr(m, ia6); + + bad = 0; + } else { + char ip6bufs[INET6_ADDRSTRLEN]; + char ip6bufd[INET6_ADDRSTRLEN]; + /* address is not ready, so discard the packet. */ + nd6log((LOG_INFO, + "ip6_input: packet to an unready address %s->%s\n", + ip6_sprintf(ip6bufs, &ip6->ip6_src), + ip6_sprintf(ip6bufd, &ip6->ip6_dst))); + } + IF_ADDR_UNLOCK(ifp); LLE_RUNLOCK(lle); - goto hbhcheck; + if (bad) + goto bad; + else { + ours = 1; + deliverifp = ifp; + goto hbhcheck; + } } if (lle != NULL) LLE_RUNLOCK(lle); |
