diff options
| -rw-r--r-- | ospfd/ospf_packet.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/ospfd/ospf_packet.c b/ospfd/ospf_packet.c index 9ede11cd..d7337c19 100644 --- a/ospfd/ospf_packet.c +++ b/ospfd/ospf_packet.c @@ -618,7 +618,16 @@ ospf_hello (struct ip *iph, struct ospf_header *ospfh, /* If Hello is myself, silently discard. */ if (IPV4_ADDR_SAME (&ospfh->router_id, &oi->ospf->router_id)) - return; + { + if (IS_DEBUG_OSPF_PACKET (ospfh->type - 1, RECV)) + { + zlog_info ("ospf_header[%s/%s]: selforiginated, " + "dropping.", + ospf_packet_type_str[ospfh->type], + inet_ntoa (iph->ip_src)); + } + return; + } /* If incoming interface is passive one, ignore Hello. */ if (OSPF_IF_PARAM (oi, passive_interface) == OSPF_IF_PASSIVE) { @@ -2250,6 +2259,11 @@ ospf_read (struct thread *thread) /* Self-originated packet should be discarded silently. */ if (ospf_if_lookup_by_local_addr (ospf, NULL, iph->ip_src)) { + if (IS_DEBUG_OSPF_PACKET (0, RECV)) + { + zlog_info ("ospf_read[%s]: Dropping self-originated packet", + inet_ntoa (iph->ip_src)); + } stream_free (ibuf); return 0; } @@ -2265,13 +2279,20 @@ ospf_read (struct thread *thread) if (ifp && oi && oi->ifp != ifp) { zlog_warn ("Packet from [%s] received on wrong link %s", - inet_ntoa (iph->ip_src), ifp->name); + inet_ntoa (iph->ip_src), ifp->name); stream_free (ibuf); return 0; } if ((oi = ospf_associate_packet_vl (ospf, ifp, oi, iph, ospfh)) == NULL) { + if (IS_DEBUG_OSPF_PACKET (ospfh->type - 1, RECV)) + { + zlog_info ("ospf_read[%s/%s]: Could not associate packet with VL, " + "dropping.", + ospf_packet_type_str[ospfh->type], + inet_ntoa (iph->ip_src)); + } stream_free (ibuf); return 0; } @@ -2314,6 +2335,13 @@ ospf_read (struct thread *thread) ret = ospf_verify_header (ibuf, oi, iph, ospfh); if (ret < 0) { + if (IS_DEBUG_OSPF_PACKET (ospfh->type - 1, RECV)) + { + zlog_info ("ospf_read[%s/%s]: Header check failed, " + "dropping.", + ospf_packet_type_str[ospfh->type], + inet_ntoa (iph->ip_src)); + } stream_free (ibuf); return ret; } |