Add support of Traffic Engineering to IS-IS

[mirror_frr.git] / isisd / isis_pdu.c

diff --git a/isisd/isis_pdu.c b/isisd/isis_pdu.c
index 0401e44a9adc9cf59732a68bcf7a3a7b9c3a9aec..1dfb4623f67cadeaf5b593232b3d7856c71aee39 100644 (file)
--- a/isisd/isis_pdu.c
+++ b/isisd/isis_pdu.c
@@ -53,6 +53,7 @@
 #include "isisd/iso_checksum.h"
 #include "isisd/isis_csm.h"
 #include "isisd/isis_events.h"
+#include "isisd/isis_te.h"
 
 #define ISIS_MINIMUM_FIXED_HDR_LEN 15
 #define ISIS_MIN_PDU_LEN           13  /* partial seqnum pdu with id_len=2 */
@@ -630,6 +631,15 @@ process_p2p_hello (struct isis_circuit *circuit)
   if (found & TLVFLAG_IPV4_ADDR)
     tlvs_to_adj_ipv4_addrs (&tlvs, adj);
 
+  /* Update MPLS TE Remote IP address parameter if possible */
+  if (IS_MPLS_TE(isisMplsTE) && circuit->mtc && IS_CIRCUIT_TE(circuit->mtc))
+    if (adj->ipv4_addrs != NULL && listcount(adj->ipv4_addrs) != 0)
+      {
+        struct in_addr *ip_addr;
+        ip_addr = (struct in_addr *)listgetdata ((struct listnode *)listhead (adj->ipv4_addrs));
+        set_circuitparams_rmt_ipaddr (circuit->mtc, *ip_addr);
+      }
+
 #ifdef HAVE_IPV6
   if (found & TLVFLAG_IPV6_ADDR)
     tlvs_to_adj_ipv6_addrs (&tlvs, adj);