[v3] sched : fix traffic class oversubscription parameter
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Commit Message
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
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
> -----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>
@@ -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;