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mptcp: retransmit ADD_ADDR when timeout

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This patch implemented the retransmition of ADD_ADDR when no ADD_ADDR echo
is received. It added a timer with the announced address. When timeout
occurs, ADD_ADDR will be retransmitted.

Suggested-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Suggested-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geliang Tang
2020-09-24 08:30:02 +08:00
committed by David S. Miller
parent 08b81d8731
commit 00cfd77b90
3 changed files with 96 additions and 17 deletions
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1
net/mptcp/options.c
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@@ -893,6 +893,7 @@ void mptcp_incoming_options(struct sock *sk, struct sk_buff *skb,
mptcp_pm_add_addr_received(msk, &addr);
MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_ADDADDR);
} else {
mptcp_pm_del_add_timer(msk, &addr);
MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_ECHOADD);
}
mp_opt.add_addr = 0;