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mptcp: send ack for every add_addr

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This patch changes the sending ACK conditions for the ADD_ADDR, send an
ACK packet for any ADD_ADDR, not just when ipv6 addresses or port
numbers are included.

Closes: https://github.com/multipath-tcp/mptcp_net-next/issues/139
Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Geliang Tang 2021-02-01 15:09:09 -08:00 committed by Jakub Kicinski
parent 875b76718f
commit b5a7acd3bd
2 changed files with 5 additions and 8 deletions
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3
net/mptcp/pm.c
View File

@ -191,8 +191,7 @@ void mptcp_pm_add_addr_received(struct mptcp_sock *msk,
void mptcp_pm_add_addr_send_ack(struct mptcp_sock *msk)
{
if (!mptcp_pm_should_add_signal_ipv6(msk) &&
!mptcp_pm_should_add_signal_port(msk))
if (!mptcp_pm_should_add_signal(msk))
return;
mptcp_pm_schedule_work(msk, MPTCP_PM_ADD_ADDR_SEND_ACK);

10
net/mptcp/pm_netlink.c
View File

@ -474,8 +474,7 @@ void mptcp_pm_nl_add_addr_send_ack(struct mptcp_sock *msk)
{
struct mptcp_subflow_context *subflow;
if (!mptcp_pm_should_add_signal_ipv6(msk) &&
!mptcp_pm_should_add_signal_port(msk))
if (!mptcp_pm_should_add_signal(msk))
return;
__mptcp_flush_join_list(msk);
@ -485,10 +484,9 @@ void mptcp_pm_nl_add_addr_send_ack(struct mptcp_sock *msk)
u8 add_addr;
spin_unlock_bh(&msk->pm.lock);
if (mptcp_pm_should_add_signal_ipv6(msk))
pr_debug("send ack for add_addr6");
if (mptcp_pm_should_add_signal_port(msk))
pr_debug("send ack for add_addr_port");
pr_debug("send ack for add_addr%s%s",
mptcp_pm_should_add_signal_ipv6(msk) ? " [ipv6]" : "",
mptcp_pm_should_add_signal_port(msk) ? " [port]" : "");
lock_sock(ssk);
tcp_send_ack(ssk);