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From: Savinay Dharmappa <savinay.dharmappa@intel.com>
To: jasvinder.singh@intel.com,
cristian.dumitrescu@intel.com,
dev@dpdk.org
Cc: savinay.dharmappa@intel.com
Date: Wed, 16 Sep 2020 17:43:48 +0100
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<1600274633-371993-1-git-send-email-savinay.dharmappa@intel.com>
Subject: [dpdk-dev] [PATCH v3 4/9] sched: update grinder credit and pipe
config function
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Credits are updated by fetching subport profile parameters from
subport profile table. Similarly subport best effort tc is
calculated in pipe config.
Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
Signed-off-by: Jasvinder Singh <jasvinder.singh@intel.com>
---
lib/librte_sched/rte_sched.c | 55 ++++++++++++++++++++++++++------------------
1 file changed, 33 insertions(+), 22 deletions(-)
diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c
index 23aaec4..3f61afa 100644
--- a/lib/librte_sched/rte_sched.c
+++ b/lib/librte_sched/rte_sched.c
@@ -123,6 +123,7 @@ struct rte_sched_grinder {
uint32_t productive;
uint32_t pindex;
struct rte_sched_subport *subport;
+ struct rte_sched_subport_profile *subport_params;
struct rte_sched_pipe *pipe;
struct rte_sched_pipe_profile *pipe_params;
@@ -1401,6 +1402,7 @@ rte_sched_pipe_config(struct rte_sched_port *port,
int32_t pipe_profile)
{
struct rte_sched_subport *s;
+ struct rte_sched_subport_profile *sp;
struct rte_sched_pipe *p;
struct rte_sched_pipe_profile *params;
uint32_t n_subports = subport_id + 1;
@@ -1441,14 +1443,15 @@ rte_sched_pipe_config(struct rte_sched_port *port,
return -EINVAL;
}
+ sp = port->subport_profiles + s->profile;
/* Handle the case when pipe already has a valid configuration */
p = s->pipe + pipe_id;
if (p->tb_time) {
params = s->pipe_profiles + p->profile;
double subport_tc_be_rate =
- (double) s->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
- / (double) s->tc_period;
+ (double)sp->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
+ / (double) sp->tc_period;
double pipe_tc_be_rate =
(double) params->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
/ (double) params->tc_period;
@@ -1490,8 +1493,8 @@ rte_sched_pipe_config(struct rte_sched_port *port,
{
/* Subport best effort tc oversubscription */
double subport_tc_be_rate =
- (double) s->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
- / (double) s->tc_period;
+ (double)sp->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
+ / (double) sp->tc_period;
double pipe_tc_be_rate =
(double) params->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
/ (double) params->tc_period;
@@ -2279,14 +2282,15 @@ grinder_credits_update(struct rte_sched_port *port,
struct rte_sched_grinder *grinder = subport->grinder + pos;
struct rte_sched_pipe *pipe = grinder->pipe;
struct rte_sched_pipe_profile *params = grinder->pipe_params;
+ struct rte_sched_subport_profile *sp = grinder->subport_params;
uint64_t n_periods;
uint32_t i;
/* Subport TB */
- n_periods = (port->time - subport->tb_time) / subport->tb_period;
- subport->tb_credits += n_periods * subport->tb_credits_per_period;
- subport->tb_credits = RTE_MIN(subport->tb_credits, subport->tb_size);
- subport->tb_time += n_periods * subport->tb_period;
+ n_periods = (port->time - subport->tb_time) / sp->tb_period;
+ subport->tb_credits += n_periods * sp->tb_credits_per_period;
+ subport->tb_credits = RTE_MIN(subport->tb_credits, sp->tb_size);
+ subport->tb_time += n_periods * sp->tb_period;
/* Pipe TB */
n_periods = (port->time - pipe->tb_time) / params->tb_period;
@@ -2297,9 +2301,9 @@ grinder_credits_update(struct rte_sched_port *port,
/* Subport TCs */
if (unlikely(port->time >= subport->tc_time)) {
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
- subport->tc_credits[i] = subport->tc_credits_per_period[i];
+ subport->tc_credits[i] = sp->tc_credits_per_period[i];
- subport->tc_time = port->time + subport->tc_period;
+ subport->tc_time = port->time + sp->tc_period;
}
/* Pipe TCs */
@@ -2315,8 +2319,10 @@ grinder_credits_update(struct rte_sched_port *port,
static inline uint64_t
grinder_tc_ov_credits_update(struct rte_sched_port *port,
- struct rte_sched_subport *subport)
+ struct rte_sched_subport *subport, uint32_t pos)
{
+ struct rte_sched_grinder *grinder = subport->grinder + pos;
+ struct rte_sched_subport_profile *sp = grinder->subport_params;
uint64_t tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
uint64_t tc_consumption = 0, tc_ov_consumption_max;
uint64_t tc_ov_wm = subport->tc_ov_wm;
@@ -2326,17 +2332,17 @@ grinder_tc_ov_credits_update(struct rte_sched_port *port,
return subport->tc_ov_wm_max;
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASS_BE; i++) {
- tc_ov_consumption[i] =
- subport->tc_credits_per_period[i] - subport->tc_credits[i];
+ tc_ov_consumption[i] = sp->tc_credits_per_period[i]
+ - subport->tc_credits[i];
tc_consumption += tc_ov_consumption[i];
}
tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASS_BE] =
- subport->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE] -
+ sp->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE] -
subport->tc_credits[RTE_SCHED_TRAFFIC_CLASS_BE];
tc_ov_consumption_max =
- subport->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE] -
+ sp->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE] -
tc_consumption;
if (tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASS_BE] >
@@ -2362,14 +2368,15 @@ grinder_credits_update(struct rte_sched_port *port,
struct rte_sched_grinder *grinder = subport->grinder + pos;
struct rte_sched_pipe *pipe = grinder->pipe;
struct rte_sched_pipe_profile *params = grinder->pipe_params;
+ struct rte_sched_subport_profile *sp = grinder->subport_params;
uint64_t n_periods;
uint32_t i;
/* Subport TB */
- n_periods = (port->time - subport->tb_time) / subport->tb_period;
- subport->tb_credits += n_periods * subport->tb_credits_per_period;
- subport->tb_credits = RTE_MIN(subport->tb_credits, subport->tb_size);
- subport->tb_time += n_periods * subport->tb_period;
+ n_periods = (port->time - subport->tb_time) / sp->tb_period;
+ subport->tb_credits += n_periods * sp->tb_credits_per_period;
+ subport->tb_credits = RTE_MIN(subport->tb_credits, sp->tb_size);
+ subport->tb_time += n_periods * sp->tb_period;
/* Pipe TB */
n_periods = (port->time - pipe->tb_time) / params->tb_period;
@@ -2379,12 +2386,13 @@ grinder_credits_update(struct rte_sched_port *port,
/* Subport TCs */
if (unlikely(port->time >= subport->tc_time)) {
- subport->tc_ov_wm = grinder_tc_ov_credits_update(port, subport);
+ subport->tc_ov_wm =
+ grinder_tc_ov_credits_update(port, subport, pos);
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
- subport->tc_credits[i] = subport->tc_credits_per_period[i];
+ subport->tc_credits[i] = sp->tc_credits_per_period[i];
- subport->tc_time = port->time + subport->tc_period;
+ subport->tc_time = port->time + sp->tc_period;
subport->tc_ov_period_id++;
}
@@ -2907,6 +2915,9 @@ grinder_handle(struct rte_sched_port *port,
struct rte_sched_pipe *pipe = grinder->pipe;
grinder->pipe_params = subport->pipe_profiles + pipe->profile;
+ grinder->subport_params = port->subport_profiles +
+ subport->profile;
+
grinder_prefetch_tc_queue_arrays(subport, pos);
grinder_credits_update(port, subport, pos);
--
2.7.4