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[net,v2] mptcp: drop sndr_key in mptcp_syn_options

Message ID 60f8315d6ae7b62d175c573f75cee50f14ce988b.1592826171.git.geliangtang@gmail.com
State New
Headers show
Series [net,v2] mptcp: drop sndr_key in mptcp_syn_options | expand

Commit Message

Geliang Tang June 22, 2020, 11:45 a.m. UTC
In RFC 8684, we don't need to send sndr_key in SYN package anymore, so drop
it.

Fixes: cc7972ea1932 ("mptcp: parse and emit MP_CAPABLE option according to v1 spec")
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
---
 net/mptcp/options.c | 2 --
 1 file changed, 2 deletions(-)
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Patch

diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index 490b92534afc..df9a51425c6f 100644
--- 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) {