[sr-dev] git:4.2:00a36ae0: modules/rtpengine: unset "don't fragment" ip header flag

[Juha Heinanen]

Module: kamailio
Branch: 4.2
Commit: 00a36ae07c587992d6486277ce2e9ae6c009685f
URL: https://github.com/kamailio/kamailio/commit/00a36ae07c587992d6486277ce2e9ae6c009685f

Author: Juha Heinanen <jh at tutpro.com>
Committer: Juha Heinanen <jh at tutpro.com>
Date: 2015-06-29T17:57:28+03:00

modules/rtpengine: unset "don't fragment" ip header flag

- manual cherry-pick from master

---

Modified: modules/rtpengine/rtpengine.c

---

Diff:  https://github.com/kamailio/kamailio/commit/00a36ae07c587992d6486277ce2e9ae6c009685f.diff
Patch: https://github.com/kamailio/kamailio/commit/00a36ae07c587992d6486277ce2e9ae6c009685f.patch

---

diff --git a/modules/rtpengine/rtpengine.c b/modules/rtpengine/rtpengine.c
index b5960b2..71a75a3 100644
--- a/modules/rtpengine/rtpengine.c
+++ b/modules/rtpengine/rtpengine.c
@@ -1002,6 +1002,9 @@ child_init(int rank)
 	struct addrinfo hints, *res;
 	struct rtpp_set  *rtpp_list;
 	struct rtpp_node *pnode;
+#ifdef IP_MTU_DISCOVER
+	int ip_mtu_discover = IP_PMTUDISC_DONT;
+#endif
 
 	if(rtpp_set_list==NULL )
 		return 0;
@@ -1064,6 +1067,12 @@ child_init(int rank)
 				return -1;
 			}
 
+#ifdef IP_MTU_DISCOVER
+			setsockopt(rtpp_socks[pnode->idx], IPPROTO_IP,
+				   IP_MTU_DISCOVER, &ip_mtu_discover,
+				   sizeof(ip_mtu_discover));
+#endif
+
 			if (connect( rtpp_socks[pnode->idx], res->ai_addr, res->ai_addrlen) == -1) {
 				LM_ERR("can't connect to a RTP proxy\n");
 				close( rtpp_socks[pnode->idx] );