From c9bfd0040acb1f79a526468751917ebe3787b1a4 Mon Sep 17 00:00:00 2001
From: ahedberg <ahedberg@google.com>
Date: Thu, 24 Mar 2016 13:05:29 -0400
Subject: [PATCH] re-add grpc_set_socket_ipv6...

---
 src/core/iomgr/socket_utils_common_posix.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/core/iomgr/socket_utils_common_posix.c b/src/core/iomgr/socket_utils_common_posix.c
index 7b264a66504..594660f76dc 100644
--- a/src/core/iomgr/socket_utils_common_posix.c
+++ b/src/core/iomgr/socket_utils_common_posix.c
@@ -99,6 +99,16 @@ int grpc_set_socket_ip_pktinfo_if_possible(int fd) {
 #endif
 }
 
+int grpc_set_socket_ipv6_recvpktinfo_if_possible(int fd) {
+#ifdef GPR_HAVE_IPV6_RECVPKTINFO
+  int get_local_ip = 1;
+  return setsockopt(fd, IPPROTO_IPV6, IPV6_RECVPKTINFO, &get_local_ip,
+                    sizeof(get_local_ip));
+#else
+  return 1;
+#endif
+}
+
 /* set a socket to close on exec */
 int grpc_set_socket_cloexec(int fd, int close_on_exec) {
   int oldflags = fcntl(fd, F_GETFD, 0);