mptcp: drop sndr_key in mptcp_syn_options

In RFC 8684, we don't need to send sndr_key in SYN package anymore, so drop it. Fixes: cc7972e ("mptcp: parse and emit MP_CAPABLE option according to v1 spec") Signed-off-by: Geliang Tang <[email protected]> Reviewed-by: Matthieu Baerts <[email protected]> Signed-off-by: David S. Miller <[email protected]>
multipath-tcp · Jun 23, 2020 · b562f58 · b562f58
1 parent 21a739c
commit b562f58
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
@@ -336,9 +336,7 @@ bool mptcp_syn_options(struct sock *sk, const struct sk_buff *skb,
 	 */
 	subflow->snd_isn = TCP_SKB_CB(skb)->end_seq;
 	if (subflow->request_mptcp) {
-		pr_debug("local_key=%llu", subflow->local_key);
 		opts->suboptions = OPTION_MPTCP_MPC_SYN;
-		opts->sndr_key = subflow->local_key;
 		*size = TCPOLEN_MPTCP_MPC_SYN;
 		return true;
 	} else if (subflow->request_join) {