* [MPTCP] Re: [MPTCP][PATCH mptcp-next] mptcp: send ack for every add_addr
@ 2021-01-22 1:19 Mat Martineau
0 siblings, 0 replies; only message in thread
From: Mat Martineau @ 2021-01-22 1:19 UTC (permalink / raw)
To: mptcp
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On Wed, 20 Jan 2021, Geliang Tang wrote:
> 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
> Signed-off-by: Geliang Tang <geliangtang(a)gmail.com>
Thanks Geliang. I'm trying to confirm that kbuild doesn't encounter the
timeout any more, but I have to wait for the build queue.
> ---
> Obsoletes: "add add_addr_urgent" patchset
> ---
> net/mptcp/pm.c | 3 +--
> net/mptcp/pm_netlink.c | 9 +++++----
> 2 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c
> index 01a846b25771..3a22e73220b9 100644
> --- a/net/mptcp/pm.c
> +++ b/net/mptcp/pm.c
> @@ -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);
> diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
> index 39998c521133..7e6e99abdd33 100644
> --- a/net/mptcp/pm_netlink.c
> +++ b/net/mptcp/pm_netlink.c
> @@ -496,8 +496,7 @@ 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);
> @@ -507,10 +506,12 @@ 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(msk))
> + pr_debug("send ack for add_addr");
> if (mptcp_pm_should_add_signal_ipv6(msk))
> - pr_debug("send ack for add_addr6");
> + pr_debug("[ipv6]");
> if (mptcp_pm_should_add_signal_port(msk))
> - pr_debug("send ack for add_addr_port");
> + pr_debug("[port]");
I suggest getting the debug output to print on one line like this:
if (mptcp_pm_should_add_signal(msk))
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);
> --
> 2.29.2
--
Mat Martineau
Intel
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2021-01-22 1:19 [MPTCP] Re: [MPTCP][PATCH mptcp-next] mptcp: send ack for every add_addr Mat Martineau
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