[sr-dev] git:4.3:5e9862c1: modules/rtpengine: unset "don't fragment" ip header flag

[Juha Heinanen]

Module: kamailio
Branch: 4.3
Commit: 5e9862c1b669a8d4d359ed73f47a008b1e8d7865
URL: https://github.com/kamailio/kamailio/commit/5e9862c1b669a8d4d359ed73f47a008b1e8d7865

Author: Juha Heinanen <jh at tutpro.com>
Committer: Juha Heinanen <jh at tutpro.com>
Date: 2015-06-29T17:38:02+03:00

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

(cherry picked from commit 5de00fa47bd3e9f0a05324463325dcaf891174a5)

---

Modified: modules/rtpengine/rtpengine.c

---

Diff:  https://github.com/kamailio/kamailio/commit/5e9862c1b669a8d4d359ed73f47a008b1e8d7865.diff
Patch: https://github.com/kamailio/kamailio/commit/5e9862c1b669a8d4d359ed73f47a008b1e8d7865.patch

---

diff --git a/modules/rtpengine/rtpengine.c b/modules/rtpengine/rtpengine.c
index 609ebc5..030763f 100644
--- a/modules/rtpengine/rtpengine.c
+++ b/modules/rtpengine/rtpengine.c
@@ -1059,6 +1059,9 @@ 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;
@@ -1121,6 +1124,12 @@ 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 (bind_force_send_ip(pnode->idx) == -1) {
 				LM_ERR("can't bind socket\n");
 				close(rtpp_socks[pnode->idx]);