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mptcp: drop sndr_key in mptcp_syn_options

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In RFC 8684, we don't need to send sndr_key in SYN package anymore, so drop
it.

Fixes: cc7972ea19 ("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]>
This commit is contained in:
Geliang Tang authored and David S. Miller committed 2020-06-22 21:06:39 -07:00
1 parent 21a739c64d
commit b562f58bbc
1 file changed
-2
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net/mptcp/options.c
-2
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@@ -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) {