[v3] sched : fix traffic class oversubscription parameter

Message ID 20210421065001.96074-1-savinay.dharmappa@intel.com (mailing list archive)
State Accepted, archived
Headers
Series [v3] sched : fix traffic class oversubscription parameter |

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/github-robot success github build: passed
ci/iol-testing fail Testing issues
ci/iol-intel-Performance success Performance Testing PASS
ci/Intel-compilation success Compilation OK
ci/intel-Testing success Testing PASS
ci/iol-abi-testing success Testing PASS
ci/iol-mellanox-Performance success Performance Testing PASS

Commit Message

Savinay Dharmappa April 21, 2021, 6:50 a.m. UTC
  This patch fixes the traffic class oversubscription watermark
value by initialising it with computed value of maximum watermark.

Fixes: ac6fcb841b0f ("sched: update subport rate dynamically")
Cc: stable@dpdk.org

Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
Acked-by: Jasvinder Singh <jasvinder.singh@intel.com>
---
v3: update the title. 
---
 lib/librte_sched/rte_sched.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
  

Comments

Thomas Monjalon April 21, 2021, 2:53 p.m. UTC | #1
21/04/2021 08:50, Savinay Dharmappa:
> This patch fixes the traffic class oversubscription watermark
> value by initialising it with computed value of maximum watermark.
> 
> Fixes: ac6fcb841b0f ("sched: update subport rate dynamically")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
> Acked-by: Jasvinder Singh <jasvinder.singh@intel.com>

Applied, thanks
  
Cristian Dumitrescu April 21, 2021, 3:24 p.m. UTC | #2
> -----Original Message-----
> From: Dharmappa, Savinay <savinay.dharmappa@intel.com>
> Sent: Wednesday, April 21, 2021 7:50 AM
> To: dev@dpdk.org; Singh, Jasvinder <jasvinder.singh@intel.com>;
> Dumitrescu, Cristian <cristian.dumitrescu@intel.com>
> Cc: Dharmappa, Savinay <savinay.dharmappa@intel.com>; stable@dpdk.org
> Subject: [PATCH v3] sched : fix traffic class oversubscription parameter
> 
> This patch fixes the traffic class oversubscription watermark
> value by initialising it with computed value of maximum watermark.
> 
> Fixes: ac6fcb841b0f ("sched: update subport rate dynamically")
> Cc: stable@dpdk.org
> 
> Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
> Acked-by: Jasvinder Singh <jasvinder.singh@intel.com>
> ---
> v3: update the title.
> ---
>  lib/librte_sched/rte_sched.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c
> index 7c56880681..cd87e688e4 100644
> --- a/lib/librte_sched/rte_sched.c
> +++ b/lib/librte_sched/rte_sched.c
> @@ -1249,7 +1249,6 @@ rte_sched_subport_config(struct rte_sched_port
> *port,
>  #ifdef RTE_SCHED_SUBPORT_TC_OV
>  		/* TC oversubscription */
>  		s->tc_ov_wm_min = port->mtu;
> -		s->tc_ov_wm = s->tc_ov_wm_max;
>  		s->tc_ov_period_id = 0;
>  		s->tc_ov = 0;
>  		s->tc_ov_n = 0;
> @@ -1277,6 +1276,7 @@ rte_sched_subport_config(struct rte_sched_port
> *port,
>  #ifdef RTE_SCHED_SUBPORT_TC_OV
>  		s->tc_ov_wm_max = rte_sched_time_ms_to_bytes(profile-
> >tc_period,
>  							s-
> >pipe_tc_be_rate_max);
> +		s->tc_ov_wm = s->tc_ov_wm_max;
>  #endif
>  		s->profile = subport_profile_id;
> 
> --
> 2.17.1

Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>
  

Patch

diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c
index 7c56880681..cd87e688e4 100644
--- a/lib/librte_sched/rte_sched.c
+++ b/lib/librte_sched/rte_sched.c
@@ -1249,7 +1249,6 @@  rte_sched_subport_config(struct rte_sched_port *port,
 #ifdef RTE_SCHED_SUBPORT_TC_OV
 		/* TC oversubscription */
 		s->tc_ov_wm_min = port->mtu;
-		s->tc_ov_wm = s->tc_ov_wm_max;
 		s->tc_ov_period_id = 0;
 		s->tc_ov = 0;
 		s->tc_ov_n = 0;
@@ -1277,6 +1276,7 @@  rte_sched_subport_config(struct rte_sched_port *port,
 #ifdef RTE_SCHED_SUBPORT_TC_OV
 		s->tc_ov_wm_max = rte_sched_time_ms_to_bytes(profile->tc_period,
 							s->pipe_tc_be_rate_max);
+		s->tc_ov_wm = s->tc_ov_wm_max;
 #endif
 		s->profile = subport_profile_id;