__func__, inet_ntoa(lsr_id));
return;
}
+ ds_tlv = (tlvs_rcvd & F_HELLO_TLV_RCVD_DS) ? 1 : 0;
/* implicit transport address */
if (!(tlvs_rcvd & F_HELLO_TLV_RCVD_ADDR))
source.link.src_addr = *src;
}
+ debug_hello_recv("%s lsr-id %s transport-address %s holdtime %u%s",
+ log_hello_src(&source), inet_ntoa(lsr_id), log_addr(af, &trans_addr),
+ holdtime, (ds_tlv) ? " (dual stack TLV present)" : "");
+
adj = adj_find(lsr_id, &source);
+ if (adj && adj->ds_tlv != ds_tlv) {
+ /*
+ * Transient condition, ignore packet and wait until adjacency
+ * times out.
+ */
+ return;
+ }
nbr = nbr_find_ldpid(lsr_id.s_addr);
/* check dual-stack tlv */
- ds_tlv = (tlvs_rcvd & F_HELLO_TLV_RCVD_DS) ? 1 : 0;
if (ds_tlv && trans_pref != leconf->trans_pref) {
/*
* RFC 7552 - Section 6.1.1:
else
adj_stop_itimer(adj);
- debug_hello_recv("%s lsr-id %s transport-address %s holdtime %u%s",
- log_hello_src(&source), inet_ntoa(lsr_id), log_addr(af, &trans_addr),
- holdtime, (ds_tlv) ? " (dual stack TLV present)" : "");
-
if (nbr && nbr->state == NBR_STA_PRESENT && !nbr_pending_idtimer(nbr) &&
nbr_session_active_role(nbr) && !nbr_pending_connect(nbr))
nbr_establish_connection(nbr);