mptcp.lists.linux.dev archive mirror
 help / color / mirror / Atom feed
* [MPTCP][PATCH mptcp-next] Squash to "mptcp: MP_FAIL suboption sending"
@ 2021-07-28 11:13 Geliang Tang
  2021-07-28 17:08 ` Paolo Abeni
  2021-07-29  0:23 ` Mat Martineau
  0 siblings, 2 replies; 3+ messages in thread
From: Geliang Tang @ 2021-07-28 11:13 UTC (permalink / raw)
  To: mptcp, geliangtang; +Cc: Geliang Tang, Paolo Abeni

From: Geliang Tang <geliangtang@xiaomi.com>

Drop the use_ack check, and add a likely tag.

Suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@xiaomi.com>
---
 net/mptcp/options.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index 2b15063c8009..6db24cf72ac0 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -788,7 +788,7 @@ static bool mptcp_established_options_mp_fail(struct sock *sk,
 {
 	struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk);
 
-	if (!subflow->send_mp_fail)
+	if (likely(!subflow->send_mp_fail))
 		return false;
 
 	if (remaining < TCPOLEN_MPTCP_FAIL)
@@ -835,12 +835,10 @@ bool mptcp_established_options(struct sock *sk, struct sk_buff *skb,
 		ret = true;
 	else if (mptcp_established_options_dss(sk, skb, snd_data_fin, &opt_size, remaining, opts)) {
 		ret = true;
-		if (opts->ext_copy.use_ack) {
-			if (mptcp_established_options_mp_fail(sk, &opt_size, remaining, opts)) {
-				*size += opt_size;
-				remaining -= opt_size;
-				return true;
-			}
+		if (mptcp_established_options_mp_fail(sk, &opt_size, remaining, opts)) {
+			*size += opt_size;
+			remaining -= opt_size;
+			return true;
 		}
 	}
 
-- 
2.31.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [MPTCP][PATCH mptcp-next] Squash to "mptcp: MP_FAIL suboption sending"
  2021-07-28 11:13 [MPTCP][PATCH mptcp-next] Squash to "mptcp: MP_FAIL suboption sending" Geliang Tang
@ 2021-07-28 17:08 ` Paolo Abeni
  2021-07-29  0:23 ` Mat Martineau
  1 sibling, 0 replies; 3+ messages in thread
From: Paolo Abeni @ 2021-07-28 17:08 UTC (permalink / raw)
  To: Geliang Tang, mptcp; +Cc: Geliang Tang

On Wed, 2021-07-28 at 19:13 +0800, Geliang Tang wrote:
> From: Geliang Tang <geliangtang@xiaomi.com>
> 
> Drop the use_ack check, and add a likely tag.
> 
> Suggested-by: Paolo Abeni <pabeni@redhat.com>
> Signed-off-by: Geliang Tang <geliangtang@xiaomi.com>
> ---
>  net/mptcp/options.c | 12 +++++-------
>  1 file changed, 5 insertions(+), 7 deletions(-)
> 
> diff --git a/net/mptcp/options.c b/net/mptcp/options.c
> index 2b15063c8009..6db24cf72ac0 100644
> --- a/net/mptcp/options.c
> +++ b/net/mptcp/options.c
> @@ -788,7 +788,7 @@ static bool mptcp_established_options_mp_fail(struct sock *sk,
>  {
>  	struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk);
>  
> -	if (!subflow->send_mp_fail)
> +	if (likely(!subflow->send_mp_fail))
>  		return false;
>  
>  	if (remaining < TCPOLEN_MPTCP_FAIL)
> @@ -835,12 +835,10 @@ bool mptcp_established_options(struct sock *sk, struct sk_buff *skb,
>  		ret = true;
>  	else if (mptcp_established_options_dss(sk, skb, snd_data_fin, &opt_size, remaining, opts)) {
>  		ret = true;
> -		if (opts->ext_copy.use_ack) {
> -			if (mptcp_established_options_mp_fail(sk, &opt_size, remaining, opts)) {
> -				*size += opt_size;
> -				remaining -= opt_size;
> -				return true;
> -			}
> +		if (mptcp_established_options_mp_fail(sk, &opt_size, remaining, opts)) {
> +			*size += opt_size;
> +			remaining -= opt_size;
> +			return true;
>  		}
>  	}

LGTM, thanks!

/P


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [MPTCP][PATCH mptcp-next] Squash to "mptcp: MP_FAIL suboption sending"
  2021-07-28 11:13 [MPTCP][PATCH mptcp-next] Squash to "mptcp: MP_FAIL suboption sending" Geliang Tang
  2021-07-28 17:08 ` Paolo Abeni
@ 2021-07-29  0:23 ` Mat Martineau
  1 sibling, 0 replies; 3+ messages in thread
From: Mat Martineau @ 2021-07-29  0:23 UTC (permalink / raw)
  To: Geliang Tang; +Cc: mptcp, Geliang Tang, Paolo Abeni

On Wed, 28 Jul 2021, Geliang Tang wrote:

> From: Geliang Tang <geliangtang@xiaomi.com>
>
> Drop the use_ack check, and add a likely tag.
>
> Suggested-by: Paolo Abeni <pabeni@redhat.com>
> Signed-off-by: Geliang Tang <geliangtang@xiaomi.com>
> ---
> net/mptcp/options.c | 12 +++++-------
> 1 file changed, 5 insertions(+), 7 deletions(-)
>
> diff --git a/net/mptcp/options.c b/net/mptcp/options.c
> index 2b15063c8009..6db24cf72ac0 100644
> --- a/net/mptcp/options.c
> +++ b/net/mptcp/options.c
> @@ -788,7 +788,7 @@ static bool mptcp_established_options_mp_fail(struct sock *sk,
> {
> 	struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk);
>
> -	if (!subflow->send_mp_fail)
> +	if (likely(!subflow->send_mp_fail))
> 		return false;
>
> 	if (remaining < TCPOLEN_MPTCP_FAIL)
> @@ -835,12 +835,10 @@ bool mptcp_established_options(struct sock *sk, struct sk_buff *skb,
> 		ret = true;
> 	else if (mptcp_established_options_dss(sk, skb, snd_data_fin, &opt_size, remaining, opts)) {
> 		ret = true;
> -		if (opts->ext_copy.use_ack) {
> -			if (mptcp_established_options_mp_fail(sk, &opt_size, remaining, opts)) {
> -				*size += opt_size;
> -				remaining -= opt_size;
> -				return true;
> -			}
> +		if (mptcp_established_options_mp_fail(sk, &opt_size, remaining, opts)) {
> +			*size += opt_size;
> +			remaining -= opt_size;
> +			return true;
> 		}
> 	}
>
> -- 
> 2.31.1

This looks fine. Please include in future MP_FAIL revs.

--
Mat Martineau
Intel

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2021-07-29  0:23 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-07-28 11:13 [MPTCP][PATCH mptcp-next] Squash to "mptcp: MP_FAIL suboption sending" Geliang Tang
2021-07-28 17:08 ` Paolo Abeni
2021-07-29  0:23 ` Mat Martineau

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).