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Message-Id: <20210319121747.349516748@linuxfoundation.org>
Date: Fri, 19 Mar 2021 13:18:58 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>,
Geliang Tang <geliangtang@...il.com>,
Mat Martineau <mathew.j.martineau@...ux.intel.com>,
Jakub Kicinski <kuba@...nel.org>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.11 04/31] mptcp: send ack for every add_addr
From: Geliang Tang <geliangtang@...il.com>
[ Upstream commit b5a7acd3bd63c7430c98d7f66d0aa457c9ccde30 ]
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@...hat.com>
Signed-off-by: Geliang Tang <geliangtang@...il.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@...ux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
net/mptcp/pm.c | 3 +--
net/mptcp/pm_netlink.c | 10 ++++------
2 files changed, 5 insertions(+), 8 deletions(-)
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c
index da2ed576f289..5463d7c8c931 100644
--- a/net/mptcp/pm.c
+++ b/net/mptcp/pm.c
@@ -188,8 +188,7 @@ 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);
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index a6d983d80576..b81ce0ea1f8b 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -408,8 +408,7 @@ 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);
@@ -419,10 +418,9 @@ 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);
--
2.30.1
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