mptcp: update MIB_RMSUBFLOW in cmd_sf_destroy

This patch increases MPTCP_MIB_RMSUBFLOW mib counter in userspace pm
destroy subflow function mptcp_nl_cmd_sf_destroy() when removing subflow.

Fixes: 33ecd4cecca3 ("mptcp: netlink: allow userspace-driven subflow establishment")
Signed-off-by: Geliang Tang <geliang.tang@suse.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/mptcp/pm_userspace.c b/net/mptcp/pm_userspace.c
index 51e2f066d54f0f51e619660423f5600b9b26a6b4..9e82250cbb703a3987ce1be2448e684aff5d0d16 100644 (file)
--- a/net/mptcp/pm_userspace.c
+++ b/net/mptcp/pm_userspace.c
@@ -5,6 +5,7 @@
  */
 
 #include "protocol.h"
+#include "mib.h"
 
 void mptcp_free_local_addr_list(struct mptcp_sock *msk)
 {
@@ -410,6 +411,7 @@ int mptcp_nl_cmd_sf_destroy(struct sk_buff *skb, struct genl_info *info)
 
                mptcp_subflow_shutdown(sk, ssk, RCV_SHUTDOWN | SEND_SHUTDOWN);
                mptcp_close_ssk(sk, ssk, subflow);
+               MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_RMSUBFLOW);
                err = 0;
        } else {
                err = -ESRCH;