diff mbox series

[v1,3/4] sched: add dynamic config of subport bandwidth profile

Message ID 1599037006-3931-3-git-send-email-savinay.dharmappa@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers
Series [v1,1/4] sched: add dynamic config of subport bandwidth profile |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Savinay Dharmappa Sept. 2, 2020, 8:56 a.m. UTC 
  This patch add public APIs to add new subport profile
and to configure them.

Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>
Signed-off-by: Jasvinder Singh <jasvinder.singh@intel.com>
---
 lib/librte_sched/rte_sched.c | 115 ++++++++++++++++++++++++++++++++++++++++++-
 lib/librte_sched/rte_sched.h |  45 +++++++++++++++++
 2 files changed, 158 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c
index c1846d0..770c8bd 100644
--- a/lib/librte_sched/rte_sched.c
+++ b/lib/librte_sched/rte_sched.c
@@ -1212,8 +1212,8 @@  rte_sched_subport_config(struct rte_sched_port *port,
 	s->bmp = rte_bitmap_init(n_subport_pipe_queues, s->bmp_array,
 				bmp_mem_size);
 	if (s->bmp == NULL) {
-		RTE_LOG(ERR, SCHED,
-			"%s: Subport bitmap init error\n", __func__);
+		RTE_LOG(ERR, SCHED, "%s: "
+		"Subport bitmap init error\n", __func__);
 
 		rte_sched_free_memory(port, n_subports);
 		return -EINVAL;
@@ -1235,6 +1235,52 @@  rte_sched_subport_config(struct rte_sched_port *port,
 	return 0;
 }
 
+int
+rte_sched_subport_profile_config(struct rte_sched_port *port,
+	uint32_t subport_id,
+	uint32_t profile_id)
+{
+	int i;
+	struct rte_sched_subport_profile *params;
+	uint32_t n_subports = subport_id + 1;
+	struct rte_sched_subport *s;
+
+	if (port == NULL) {
+		RTE_LOG(ERR, SCHED, "%s: "
+		"Incorrect value for parameter port\n", __func__);
+		return -EINVAL;
+	}
+
+	if (subport_id >= port->n_subports_per_port) {
+		RTE_LOG(ERR, SCHED, "%s: "
+		"Incorrect value for parameter subport id\n", __func__);
+
+		rte_sched_free_memory(port, n_subports);
+		return -EINVAL;
+	}
+
+	params =  port->subport_profiles + profile_id;
+
+	s = port->subports[subport_id];
+
+	s->tb_credits = params->tb_size / 2;
+
+	s->tc_time = port->time + params->tc_period;
+
+	for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
+		if (s->qsize[i])
+			s->tc_credits[i] = params->tc_credits_per_period[i];
+		else
+			params->tc_credits_per_period[i] = 0;
+
+#ifdef RTE_SCHED_SUBPORT_TC_OV
+	s->tc_ov_wm_max = rte_sched_time_ms_to_bytes(params->tc_period,
+						     s->pipe_tc_be_rate_max);
+#endif
+	s->profile = profile_id;
+
+	rte_sched_port_log_subport_profile(port, profile_id);
+
 	return 0;
 }
 
@@ -1422,6 +1468,71 @@  rte_sched_subport_pipe_profile_add(struct rte_sched_port *port,
 	return 0;
 }
 
+int
+rte_sched_port_subport_profile_add(struct rte_sched_port *port,
+	struct rte_sched_subport_profile_params *params,
+	uint32_t *subport_profile_id)
+{
+	int status;
+	uint32_t i;
+	struct rte_sched_subport_profile *dst;
+
+	/* Port */
+	if (port == NULL) {
+		RTE_LOG(ERR, SCHED, "%s: "
+		"Incorrect value for parameter port\n", __func__);
+		return -EINVAL;
+	}
+
+	if (params == NULL) {
+		RTE_LOG(ERR, SCHED, "%s: "
+		"Incorrect value for parameter profile\n", __func__);
+		return -EINVAL;
+	}
+
+	if (subport_profile_id == NULL) {
+		RTE_LOG(ERR, SCHED, "%s: "
+		"Incorrect value for parametersubport_profile_id\n",
+		__func__);
+		return -EINVAL;
+	}
+
+	dst = port->subport_profiles + port->n_subport_profiles;
+
+	/* Subport profiles exceeds the max limit */
+	if (port->n_subport_profiles >= port->n_max_subport_profiles) {
+		RTE_LOG(ERR, SCHED, "%s: "
+		"Number of subport profiles exceeds the max limit", __func__);
+		return -EINVAL;
+	}
+
+	status = subport_profile_check(params, port->rate);
+	if (status != 0) {
+		RTE_LOG(ERR, SCHED, "%s: "
+		"subport profile check failed(%d)\n", __func__, status);
+		return -EINVAL;
+	}
+
+	rte_sched_subport_profile_convert(params, dst, port->rate);
+
+	/* Subport profile should not exists */
+	for (i = 0; i < port->n_subport_profiles; i++)
+		if (memcmp(port->subport_profiles + i,
+		    params, sizeof(*params)) == 0) {
+			RTE_LOG(ERR, SCHED,
+			"%s: subport profile exists\n", __func__);
+			return -EINVAL;
+		}
+
+	/* Subport profile commit */
+	*subport_profile_id = port->n_subport_profiles;
+	port->n_subport_profiles++;
+
+	rte_sched_port_log_subport_profile(port, *subport_profile_id);
+
+	return 0;
+}
+
 static inline uint32_t
 rte_sched_port_qindex(struct rte_sched_port *port,
 	uint32_t subport,
diff --git a/lib/librte_sched/rte_sched.h b/lib/librte_sched/rte_sched.h
index e7514bb..7623919 100644
--- a/lib/librte_sched/rte_sched.h
+++ b/lib/librte_sched/rte_sched.h
@@ -325,6 +325,29 @@  rte_sched_subport_pipe_profile_add(struct rte_sched_port *port,
 	uint32_t *pipe_profile_id);
 
 /**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Hierarchical scheduler subport bandwidth profile add
+ * Note that this function is safe to use in runtime for adding new
+ * subport bandwidth profile as it doesn't have any impact on hiearchical
+ * structure of the scheduler.
+ * @param port
+ *   Handle to port scheduler instance
+ * @param struct rte_sched_subport_profile
+ *   Subport bandwidth profile
+ * @param subport_profile_d
+ *   Subport profile id
+ * @return
+ *   0 upon success, error code otherwise
+ */
+__rte_experimental
+int
+rte_sched_port_subport_profile_add(struct rte_sched_port *port,
+	struct rte_sched_subport_profile_params *profile,
+	uint32_t *subport_profile_id);
+
+/**
  * Hierarchical scheduler subport configuration
  *
  * @param port
@@ -342,6 +365,28 @@  rte_sched_subport_config(struct rte_sched_port *port,
 	struct rte_sched_subport_params *params);
 
 /**
+ * @warning
+ * @b EXPERIMENTAL: this API may change without prior notice.
+ *
+ * Hierarchical scheduler subport profile configuration
+ * Note that this function is safe to use in runtime for applying any specific
+ * subport bandwidth profile as it doesn't have any impact on hiearchical
+ * structure of the scheduler.
+ * @param port
+ *   Handle to port scheduler instance
+ * @param subport_id
+ *   Subport ID
+ * @param profile_d
+ *   Subport profile id
+ * @return
+ *   0 upon success, error code otherwise
+ */
+__rte_experimental
+int
+rte_sched_subport_profile_config(struct rte_sched_port *port,
+	uint32_t subport_id,
+	uint32_t profile_id);
+/**
  * Hierarchical scheduler pipe configuration
  *
  * @param port