mptcp: reset subflow when MP_FAIL doesn't respond

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This patch adds a new msk->flags bit MPTCP_FAIL_NO_RESPONSE, then reuses
sk_timer to trigger a check if we have not received a response from the
peer after sending MP_FAIL. If the peer doesn't respond properly, reset
the subflow.

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>

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Geliang Tang 2022-04-26 14:57:15 -07:00 • committed by David S. Miller

parent 9c81be0dbc

commit 49fa1919d6

4 changed files with 68 additions and 0 deletions

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8

net/mptcp/pm.c

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48

net/mptcp/protocol.c

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1

net/mptcp/protocol.h

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11

net/mptcp/subflow.c

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