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head/sys/netinet6/nd6_rtr.c
| Show First 20 Lines • Show All 171 Lines • ▼ Show 20 Lines | if (!V_ip6_forwarding || ND_IFINFO(ifp)->flags & ND6_IFF_ACCEPT_RTADV) | ||||
| goto freeit; | goto freeit; | ||||
| /* RFC 6980: Nodes MUST silently ignore fragments */ | /* RFC 6980: Nodes MUST silently ignore fragments */ | ||||
| if(m->m_flags & M_FRAGMENTED) | if(m->m_flags & M_FRAGMENTED) | ||||
| goto freeit; | goto freeit; | ||||
| /* Sanity checks */ | /* Sanity checks */ | ||||
| ip6 = mtod(m, struct ip6_hdr *); | ip6 = mtod(m, struct ip6_hdr *); | ||||
| if (ip6->ip6_hlim != 255) { | if (__predict_false(ip6->ip6_hlim != 255)) { | ||||
| ICMP6STAT_INC(icp6s_invlhlim); | |||||
| nd6log((LOG_ERR, | nd6log((LOG_ERR, | ||||
| "%s: invalid hlim (%d) from %s to %s on %s\n", __func__, | "%s: invalid hlim (%d) from %s to %s on %s\n", __func__, | ||||
| ip6->ip6_hlim, ip6_sprintf(ip6bufs, &ip6->ip6_src), | ip6->ip6_hlim, ip6_sprintf(ip6bufs, &ip6->ip6_src), | ||||
| ip6_sprintf(ip6bufd, &ip6->ip6_dst), if_name(ifp))); | ip6_sprintf(ip6bufd, &ip6->ip6_dst), if_name(ifp))); | ||||
| goto bad; | goto bad; | ||||
| } | } | ||||
| /* | /* | ||||
| ▲ Show 20 Lines • Show All 182 Lines • ▼ Show 20 Lines | nd6_ra_input(struct mbuf *m, int off, int icmp6len) | ||||
| if (!(ndi->flags & ND6_IFF_ACCEPT_RTADV)) | if (!(ndi->flags & ND6_IFF_ACCEPT_RTADV)) | ||||
| goto freeit; | goto freeit; | ||||
| /* RFC 6980: Nodes MUST silently ignore fragments */ | /* RFC 6980: Nodes MUST silently ignore fragments */ | ||||
| if(m->m_flags & M_FRAGMENTED) | if(m->m_flags & M_FRAGMENTED) | ||||
| goto freeit; | goto freeit; | ||||
| ip6 = mtod(m, struct ip6_hdr *); | ip6 = mtod(m, struct ip6_hdr *); | ||||
| if (ip6->ip6_hlim != 255) { | if (__predict_false(ip6->ip6_hlim != 255)) { | ||||
| ICMP6STAT_INC(icp6s_invlhlim); | |||||
| nd6log((LOG_ERR, | nd6log((LOG_ERR, | ||||
| "%s: invalid hlim (%d) from %s to %s on %s\n", __func__, | "%s: invalid hlim (%d) from %s to %s on %s\n", __func__, | ||||
| ip6->ip6_hlim, ip6_sprintf(ip6bufs, &ip6->ip6_src), | ip6->ip6_hlim, ip6_sprintf(ip6bufs, &ip6->ip6_src), | ||||
| ip6_sprintf(ip6bufd, &ip6->ip6_dst), if_name(ifp))); | ip6_sprintf(ip6bufd, &ip6->ip6_dst), if_name(ifp))); | ||||
| goto bad; | goto bad; | ||||
| } | } | ||||
| saddr6 = ip6->ip6_src; | saddr6 = ip6->ip6_src; | ||||
| ▲ Show 20 Lines • Show All 2,231 Lines • Show Last 20 Lines | |||||