[dpdk-dev] [PATCH 02/27] sched: update subport and pipe data structures
Lukasz Krakowiak
lukaszx.krakowiak at intel.com
Tue May 28 14:05:28 CEST 2019
From: Jasvinder Singh <jasvinder.singh at intel.com>
Update public data structures for subport and pipe to allow configuration
flexiblity for pipe traffic classes and queues, and subport level
configuration of the pipe parameters.
Signed-off-by: Jasvinder Singh <jasvinder.singh at intel.com>
Signed-off-by: Abraham Tovar <abrahamx.tovar at intel.com>
Signed-off-by: Lukasz Krakowiak <lukaszx.krakowiak at intel.com>
---
app/test/test_sched.c | 2 +-
examples/qos_sched/init.c | 2 +-
lib/librte_sched/rte_sched.h | 76 ++++++++++++++++++++++--------------
3 files changed, 49 insertions(+), 31 deletions(-)
diff --git a/app/test/test_sched.c b/app/test/test_sched.c
index 4eed8dbde..460eb53ec 100644
--- a/app/test/test_sched.c
+++ b/app/test/test_sched.c
@@ -40,7 +40,7 @@ static struct rte_sched_pipe_params pipe_profile[] = {
.tc_rate = {305175, 305175, 305175, 305175},
.tc_period = 40,
- .wrr_weights = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
+ .wrr_weights = {1, 1, 1, 1, 1, 1, 1, 1},
},
};
diff --git a/examples/qos_sched/init.c b/examples/qos_sched/init.c
index 37c2b95fd..f44a07cd6 100644
--- a/examples/qos_sched/init.c
+++ b/examples/qos_sched/init.c
@@ -186,7 +186,7 @@ static struct rte_sched_pipe_params pipe_profiles[RTE_SCHED_PIPE_PROFILES_PER_PO
.tc_ov_weight = 1,
#endif
- .wrr_weights = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
+ .wrr_weights = {1, 1, 1, 1, 1, 1, 1, 1},
},
};
diff --git a/lib/librte_sched/rte_sched.h b/lib/librte_sched/rte_sched.h
index cf7695f27..71728f725 100644
--- a/lib/librte_sched/rte_sched.h
+++ b/lib/librte_sched/rte_sched.h
@@ -117,6 +117,33 @@ extern "C" {
#define RTE_SCHED_FRAME_OVERHEAD_DEFAULT 24
#endif
+/*
+ * Pipe configuration parameters. The period and credits_per_period
+ * parameters are measured in bytes, with one byte meaning the time
+ * duration associated with the transmission of one byte on the
+ * physical medium of the output port, with pipe or pipe traffic class
+ * rate (measured as percentage of output port rate) determined as
+ * credits_per_period divided by period. One credit represents one
+ * byte.
+ */
+struct rte_sched_pipe_params {
+ /* Pipe token bucket */
+ uint32_t tb_rate; /**< Rate (measured in bytes per second) */
+ uint32_t tb_size; /**< Size (measured in credits) */
+
+ /* Pipe traffic classes */
+ uint32_t tc_rate[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+ /**< Traffic class rates (measured in bytes per second) */
+ uint32_t tc_period;
+ /**< Enforcement period (measured in milliseconds) */
+#ifdef RTE_SCHED_SUBPORT_TC_OV
+ uint8_t tc_ov_weight; /**< Weight Traffic class 3 oversubscription */
+#endif
+
+ /* Pipe queues */
+ uint8_t wrr_weights[RTE_SCHED_WRR_QUEUES_PER_PIPE]; /**< WRR weights */
+};
+
/*
* Subport configuration parameters. The period and credits_per_period
* parameters are measured in bytes, with one byte meaning the time
@@ -128,14 +155,32 @@ extern "C" {
*/
struct rte_sched_subport_params {
/* Subport token bucket */
- uint32_t tb_rate; /**< Rate (measured in bytes per second) */
- uint32_t tb_size; /**< Size (measured in credits) */
+ uint32_t tb_rate; /**< Rate (measured in bytes per second) */
+ uint32_t tb_size; /**< Size (measured in credits) */
/* Subport traffic classes */
uint32_t tc_rate[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
/**< Traffic class rates (measured in bytes per second) */
uint32_t tc_period;
/**< Enforcement period for rates (measured in milliseconds) */
+
+ uint32_t n_subport_pipes; /**< Number of subport_pipes */
+ uint16_t qsize[RTE_SCHED_QUEUES_PER_PIPE];
+ /**< Packet queue size for each traffic class.
+ * All queues which are not needed, have zero size. All the pipes
+ * within the same subport share the similar configuration for the
+ * queues.
+ */
+ struct rte_sched_pipe_params *pipe_profiles;
+ /**< Pipe profile table.
+ * Every pipe is configured using one of the profiles from this table.
+ */
+ uint32_t n_pipe_profiles; /**< Profiles in the pipe profile table */
+#ifdef RTE_SCHED_RED
+ struct rte_red_params
+ red_params[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE][RTE_COLORS];
+ /**< RED parameters */
+#endif
};
/** Subport statistics */
@@ -158,33 +203,6 @@ struct rte_sched_subport_stats {
#endif
};
-/*
- * Pipe configuration parameters. The period and credits_per_period
- * parameters are measured in bytes, with one byte meaning the time
- * duration associated with the transmission of one byte on the
- * physical medium of the output port, with pipe or pipe traffic class
- * rate (measured as percentage of output port rate) determined as
- * credits_per_period divided by period. One credit represents one
- * byte.
- */
-struct rte_sched_pipe_params {
- /* Pipe token bucket */
- uint32_t tb_rate; /**< Rate (measured in bytes per second) */
- uint32_t tb_size; /**< Size (measured in credits) */
-
- /* Pipe traffic classes */
- uint32_t tc_rate[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
- /**< Traffic class rates (measured in bytes per second) */
- uint32_t tc_period;
- /**< Enforcement period (measured in milliseconds) */
-#ifdef RTE_SCHED_SUBPORT_TC_OV
- uint8_t tc_ov_weight; /**< Weight Traffic class 3 oversubscription */
-#endif
-
- /* Pipe queues */
- uint8_t wrr_weights[RTE_SCHED_QUEUES_PER_PIPE]; /**< WRR weights */
-};
-
/** Queue statistics */
struct rte_sched_queue_stats {
/* Packets */
--
2.20.1
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