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* [PATCH net] sctp: fix the transport error_count check
@ 2019-08-12 12:49 Xin Long
  2019-08-13 16:27 ` Marcelo Ricardo Leitner
  0 siblings, 1 reply; 3+ messages in thread
From: Xin Long @ 2019-08-12 12:49 UTC (permalink / raw)
  To: network dev, linux-sctp; +Cc: davem, Marcelo Ricardo Leitner, Neil Horman

As the annotation says in sctp_do_8_2_transport_strike():

  "If the transport error count is greater than the pf_retrans
   threshold, and less than pathmaxrtx ..."

It should be transport->error_count checked with pathmaxrxt,
instead of asoc->pf_retrans.

Fixes: 5aa93bcf66f4 ("sctp: Implement quick failover draft from tsvwg")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
---
 net/sctp/sm_sideeffect.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index a554d6d..1cf5bb5 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -546,7 +546,7 @@ static void sctp_do_8_2_transport_strike(struct sctp_cmd_seq *commands,
 	 */
 	if (net->sctp.pf_enable &&
 	   (transport->state == SCTP_ACTIVE) &&
-	   (asoc->pf_retrans < transport->pathmaxrxt) &&
+	   (transport->error_count < transport->pathmaxrxt) &&
 	   (transport->error_count > asoc->pf_retrans)) {
 
 		sctp_assoc_control_transport(asoc, transport,
-- 
2.1.0


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

* Re: [PATCH net] sctp: fix the transport error_count check
  2019-08-12 12:49 [PATCH net] sctp: fix the transport error_count check Xin Long
@ 2019-08-13 16:27 ` Marcelo Ricardo Leitner
  2019-08-14  2:22   ` Jakub Kicinski
  0 siblings, 1 reply; 3+ messages in thread
From: Marcelo Ricardo Leitner @ 2019-08-13 16:27 UTC (permalink / raw)
  To: Xin Long; +Cc: network dev, linux-sctp, davem, Neil Horman

On Mon, Aug 12, 2019 at 08:49:12PM +0800, Xin Long wrote:
> As the annotation says in sctp_do_8_2_transport_strike():
> 
>   "If the transport error count is greater than the pf_retrans
>    threshold, and less than pathmaxrtx ..."
> 
> It should be transport->error_count checked with pathmaxrxt,
> instead of asoc->pf_retrans.
> 
> Fixes: 5aa93bcf66f4 ("sctp: Implement quick failover draft from tsvwg")
> Signed-off-by: Xin Long <lucien.xin@gmail.com>

Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>

Dave, please consider this one for stable. Thanks.

> ---
>  net/sctp/sm_sideeffect.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
> index a554d6d..1cf5bb5 100644
> --- a/net/sctp/sm_sideeffect.c
> +++ b/net/sctp/sm_sideeffect.c
> @@ -546,7 +546,7 @@ static void sctp_do_8_2_transport_strike(struct sctp_cmd_seq *commands,
>  	 */
>  	if (net->sctp.pf_enable &&
>  	   (transport->state == SCTP_ACTIVE) &&
> -	   (asoc->pf_retrans < transport->pathmaxrxt) &&
> +	   (transport->error_count < transport->pathmaxrxt) &&
>  	   (transport->error_count > asoc->pf_retrans)) {
>  
>  		sctp_assoc_control_transport(asoc, transport,
> -- 
> 2.1.0
> 

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

* Re: [PATCH net] sctp: fix the transport error_count check
  2019-08-13 16:27 ` Marcelo Ricardo Leitner
@ 2019-08-14  2:22   ` Jakub Kicinski
  0 siblings, 0 replies; 3+ messages in thread
From: Jakub Kicinski @ 2019-08-14  2:22 UTC (permalink / raw)
  To: Marcelo Ricardo Leitner
  Cc: Xin Long, network dev, linux-sctp, davem, Neil Horman

On Tue, 13 Aug 2019 13:27:34 -0300, Marcelo Ricardo Leitner wrote:
> On Mon, Aug 12, 2019 at 08:49:12PM +0800, Xin Long wrote:
> > As the annotation says in sctp_do_8_2_transport_strike():
> > 
> >   "If the transport error count is greater than the pf_retrans
> >    threshold, and less than pathmaxrtx ..."
> > 
> > It should be transport->error_count checked with pathmaxrxt,
> > instead of asoc->pf_retrans.
> > 
> > Fixes: 5aa93bcf66f4 ("sctp: Implement quick failover draft from tsvwg")
> > Signed-off-by: Xin Long <lucien.xin@gmail.com>  
> 
> Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>

Applied.

> Dave, please consider this one for stable. Thanks.

Ack.

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

end of thread, other threads:[~2019-08-14  2:22 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2019-08-12 12:49 [PATCH net] sctp: fix the transport error_count check Xin Long
2019-08-13 16:27 ` Marcelo Ricardo Leitner
2019-08-14  2:22   ` Jakub Kicinski

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