sctp: enable cookie-echo retransmission transport switch

This patch enables cookie-echo retransmission transport switch
feature. If COOKIE-ECHO retransmission happens, it will be sent
to the address other than the one last sent to.

Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 81dfaee49b71..ea3a34cbe470 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -5307,6 +5307,8 @@ sctp_disposition_t sctp_sf_t1_cookie_timer_expire(const struct sctp_endpoint *ep
                 if (!repl)
                         return SCTP_DISPOSITION_NOMEM;
 
+                sctp_add_cmd_sf(commands, SCTP_CMD_INIT_CHOOSE_TRANSPORT,
+                                SCTP_CHUNK(repl));
                 /* Issue a sideeffect to do the needed accounting. */
                 sctp_add_cmd_sf(commands, SCTP_CMD_COOKIEECHO_RESTART,
                                 SCTP_TO(SCTP_EVENT_TIMEOUT_T1_COOKIE));