[dpdk-dev] [PATCH v2 01/10] sched: add support profile data structure

[Savinay Dharmappa]

Add subport profile data structure to support dynamic configuration
of subport bandwidth

Signed-off-by: Savinay Dharmappa <savinay.dharma...@intel.com>
Signed-off-by: Jasvinder Singh <jasvinder.si...@intel.com>
---
 lib/librte_sched/rte_sched.c | 11 +++++++++++
 lib/librte_sched/rte_sched.h | 25 +++++++++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c
index 0fa0741..474422b 100644
--- a/lib/librte_sched/rte_sched.c
+++ b/lib/librte_sched/rte_sched.c
@@ -2,6 +2,7 @@
  * Copyright(c) 2010-2014 Intel Corporation
  */
 
+#include <stdint.h>
 #include <stdio.h>
 #include <string.h>
 
@@ -101,6 +102,16 @@ enum grinder_state {
        e_GRINDER_READ_MBUF
 };
 
+struct rte_sched_subport_profile {
+       /* Token bucket (TB) */
+       uint64_t tb_period;
+       uint64_t tb_credits_per_period;
+       uint64_t tb_size;
+
+       uint64_t tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+       uint64_t tc_period;
+};
+
 struct rte_sched_grinder {
        /* Pipe cache */
        uint16_t pcache_qmask[RTE_SCHED_GRINDER_PCACHE_SIZE];
diff --git a/lib/librte_sched/rte_sched.h b/lib/librte_sched/rte_sched.h
index 8a5a93c..39339b7 100644
--- a/lib/librte_sched/rte_sched.h
+++ b/lib/librte_sched/rte_sched.h
@@ -192,6 +192,20 @@ struct rte_sched_subport_params {
 #endif
 };
 
+struct rte_sched_subport_profile_params {
+       /** Token bucket rate (measured in bytes per second) */
+       uint64_t tb_rate;
+
+       /** Token bucket size (measured in credits) */
+       uint64_t tb_size;
+
+       /** Traffic class rates (measured in bytes per second) */
+       uint64_t tc_rate[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+
+       /** Enforcement period for rates (measured in milliseconds) */
+       uint64_t tc_period;
+};
+
 /** Subport statistics */
 struct rte_sched_subport_stats {
        /** Number of packets successfully written */
@@ -254,6 +268,17 @@ struct rte_sched_port_params {
        /** Number of subports */
        uint32_t n_subports_per_port;
 
+       /** subport profile table.
+        * Every pipe is configured using one of the profiles from this table.
+        */
+       struct rte_sched_subport_profile_params *subport_profiles;
+
+       /** Profiles in the pipe profile table */
+       uint32_t n_subport_profiles;
+
+       /** Max allowed profiles in the pipe profile table */
+       uint32_t n_max_subport_profiles;
+
        /** Maximum number of subport pipes.
         * This parameter is used to reserve a fixed number of bits
         * in struct rte_mbuf::sched.queue_id for the pipe_id for all
-- 
2.7.4