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charset="utf-8" This patch printed out the reset infos, reset_transient and reset_reason, of MP_RST in mptcp_parse_option() to show that MP_RST is received. Signed-off-by: Geliang Tang --- net/mptcp/options.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/mptcp/options.c b/net/mptcp/options.c index 078187456467..efb828a4edaa 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -336,6 +336,8 @@ static void mptcp_parse_option(const struct sk_buff *sk= b, flags =3D *ptr++; mp_opt->reset_transient =3D flags & MPTCP_RST_TRANSIENT; mp_opt->reset_reason =3D *ptr; + pr_debug("MP_RST: transient=3D%u reason=3D%u", + mp_opt->reset_transient, mp_opt->reset_reason); break; =20 case MPTCPOPT_MP_FAIL: --=20 2.31.1