[dpdk-dev] [PATCH 09/27] sched: update pkt read and write api

[Lukasz Krakowiak]

From: Jasvinder Singh <jasvinder.singh at intel.com>

Update run time packet read and write api implementation of the scheduler
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>
---
 lib/librte_sched/rte_sched.c | 32 +++++++++++++++++---------------
 lib/librte_sched/rte_sched.h |  8 ++++----
 2 files changed, 21 insertions(+), 19 deletions(-)

diff --git a/lib/librte_sched/rte_sched.c b/lib/librte_sched/rte_sched.c
index 4b1959bb4..d28d2d203 100644
--- a/lib/librte_sched/rte_sched.c
+++ b/lib/librte_sched/rte_sched.c
@@ -1351,17 +1351,15 @@ rte_sched_port_pipe_profile_add(struct rte_sched_port *port,
 
 static inline uint32_t
 rte_sched_port_qindex(struct rte_sched_port *port,
+	struct rte_sched_subport *s,
 	uint32_t subport,
 	uint32_t pipe,
-	uint32_t traffic_class,
 	uint32_t queue)
 {
 	return ((subport & (port->n_subports_per_port - 1)) <<
-			(port->n_pipes_per_subport_log2 + 4)) |
-			((pipe & (port->n_pipes_per_subport - 1)) << 4) |
-			((traffic_class &
-			    (RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE - 1)) << 2) |
-			(queue & (RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS - 1));
+			(port->n_max_subport_pipes_log2 + 4)) |
+			((pipe & (s->n_subport_pipes - 1)) << 4) |
+			(queue & (RTE_SCHED_QUEUES_PER_PIPE - 1));
 }
 
 void
@@ -1371,9 +1369,9 @@ rte_sched_port_pkt_write(struct rte_sched_port *port,
 			 uint32_t traffic_class,
 			 uint32_t queue, enum rte_color color)
 {
-	uint32_t queue_id = rte_sched_port_qindex(port, subport, pipe,
-			traffic_class, queue);
-	rte_mbuf_sched_set(pkt, queue_id, traffic_class, (uint8_t)color);
+	struct rte_sched_subport *s = port->subports[subport];
+	uint32_t qindex = rte_sched_port_qindex(port, s, subport, pipe, queue);
+	rte_mbuf_sched_set(pkt, qindex, traffic_class, (uint8_t)color);
 }
 
 void
@@ -1382,13 +1380,17 @@ rte_sched_port_pkt_read_tree_path(struct rte_sched_port *port,
 				  uint32_t *subport, uint32_t *pipe,
 				  uint32_t *traffic_class, uint32_t *queue)
 {
-	uint32_t queue_id = rte_mbuf_sched_queue_get(pkt);
+	struct rte_sched_subport *s;
+	uint32_t qindex = rte_mbuf_sched_queue_get(pkt);
+	uint32_t tc_id = rte_mbuf_sched_traffic_class_get(pkt);
+
+	*subport = (qindex >> (port->n_max_subport_pipes_log2 + 4)) &
+		(port->n_subports_per_port - 1);
 
-	*subport = queue_id >> (port->n_pipes_per_subport_log2 + 4);
-	*pipe = (queue_id >> 4) & (port->n_pipes_per_subport - 1);
-	*traffic_class = (queue_id >> 2) &
-				(RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE - 1);
-	*queue = queue_id & (RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS - 1);
+	s = port->subports[*subport];
+	*pipe = (qindex >> 4) & (s->n_subport_pipes - 1);
+	*traffic_class = tc_id;
+	*queue = qindex & (RTE_SCHED_QUEUES_PER_PIPE - 1);
 }
 
 enum rte_color
diff --git a/lib/librte_sched/rte_sched.h b/lib/librte_sched/rte_sched.h
index da5790fc4..635b59550 100644
--- a/lib/librte_sched/rte_sched.h
+++ b/lib/librte_sched/rte_sched.h
@@ -402,9 +402,9 @@ rte_sched_queue_read_stats(struct rte_sched_port *port,
  * @param pipe
  *   Pipe ID within subport
  * @param traffic_class
- *   Traffic class ID within pipe (0 .. 3)
+ *   Traffic class ID within pipe (0 .. 8)
  * @param queue
- *   Queue ID within pipe traffic class (0 .. 3)
+ *   Queue ID within pipe traffic class (0 .. 15)
  * @param color
  *   Packet color set
  */
@@ -429,9 +429,9 @@ rte_sched_port_pkt_write(struct rte_sched_port *port,
  * @param pipe
  *   Pipe ID within subport
  * @param traffic_class
- *   Traffic class ID within pipe (0 .. 3)
+ *   Traffic class ID within pipe (0 .. 8)
  * @param queue
- *   Queue ID within pipe traffic class (0 .. 3)
+ *   Queue ID within pipe traffic class (0 .. 15)
  *
  */
 void
-- 
2.20.1