- Add VRF id to sctp_ifa structure, needed mainly in panda but useful

during deletes of ifa's in diff VRF's when applicable.

sys/netinet/sctp_asconf.c

@@ -1704,6 +1704,11 @@ sctp_iterator_stcb(struct sctp_inpcb *inp, struct sctp_tcb *stcb, void *ptr,
 	LIST_FOREACH(l, &asc->list_of_work, sctp_nxt_addr) {
 		ifa = l->ifa;
 		type = l->action;
+
+		/* address's vrf_id must be the vrf_id of the assoc */
+		if (ifa->vrf_id != stcb->asoc.vrf_id) {
+			continue;
+		}
 		/* Same checks again for assoc */
 		if (ifa->address.sa.sa_family == AF_INET6) {
 			/* invalid if we're not a v6 endpoint */

sys/netinet/sctp_pcb.c

@@ -414,7 +414,7 @@ sctp_add_addr_to_vrf(uint32_t vrf_id, void *ifn, uint32_t ifn_index,
 	memset(sctp_ifap, 0, sizeof(struct sctp_ifa));
 	sctp_ifap->ifn_p = sctp_ifnp;
 	atomic_add_int(&sctp_ifnp->refcount, 1);
-
+	sctp_ifap->vrf_id = vrf_id;
 	sctp_ifap->ifa = ifa;
 	memcpy(&sctp_ifap->address, addr, addr->sa_len);
 	sctp_ifap->localifa_flags = SCTP_ADDR_VALID | SCTP_ADDR_DEFER_USE;

sys/netinet/sctp_pcb.h

@@ -109,6 +109,7 @@ struct sctp_ifa {
 	uint32_t refcount;	/* number of folks refering to this */
 	uint32_t flags;
 	uint32_t localifa_flags;
+	uint32_t vrf_id;	/* vrf_id of this addr (for deleting) */
 	uint8_t src_is_loop;
 	uint8_t src_is_priv;
 	uint8_t src_is_glob;