[dpdk-dev] [PATCH v4 3/9] sched: add subport profile add and config api
Savinay Dharmappa
savinay.dharmappa at intel.com
Thu Sep 17 10:42:33 CEST 2020
Add apis to add new subport profile and configure it.
Signed-off-by: Savinay Dharmappa <savinay.dharmappa at intel.com>
Signed-off-by: Jasvinder Singh <jasvinder.singh at intel.com>
---
lib/librte_sched/rte_sched.c | 118 +++++++++++++++++++++++++++++++++
lib/librte_sched/rte_sched.h | 45 +++++++++++++
lib/librte_sched/rte_sched_version.map | 2 +
3 files changed, 165 insertions(+)
diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c
index 5fa7865..23aaec4 100644
--- a/lib/librte_sched/rte_sched.c
+++ b/lib/librte_sched/rte_sched.c
@@ -174,6 +174,8 @@ struct rte_sched_subport {
/* Statistics */
struct rte_sched_subport_stats stats __rte_cache_aligned;
+ /* subport profile */
+ uint32_t profile;
/* Subport pipes */
uint32_t n_pipes_per_subport_enabled;
uint32_t n_pipe_profiles;
@@ -1343,6 +1345,56 @@ rte_sched_subport_config(struct rte_sched_port *port,
}
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;
+}
+
+int
rte_sched_pipe_config(struct rte_sched_port *port,
uint32_t subport_id,
uint32_t pipe_id,
@@ -1526,6 +1578,72 @@ 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 parameter subport_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\n",
+ __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,
+ dst, sizeof(*dst)) == 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 39339b7..a7c2638 100644
--- a/lib/librte_sched/rte_sched.h
+++ b/lib/librte_sched/rte_sched.h
@@ -337,6 +337,29 @@ 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
@@ -354,6 +377,28 @@ 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
diff --git a/lib/librte_sched/rte_sched_version.map b/lib/librte_sched/rte_sched_version.map
index 3faef6f..e64335f 100644
--- a/lib/librte_sched/rte_sched_version.map
+++ b/lib/librte_sched/rte_sched_version.map
@@ -28,4 +28,6 @@ EXPERIMENTAL {
global:
rte_sched_subport_pipe_profile_add;
+ rte_sched_port_subport_profile_add;
+ rte_sched_subport_profile_config;
};
--
2.7.4
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