ethdev: fix C linkage type of latest functions
[dpdk.git] / lib / librte_sched / rte_sched.c
index b1655b4..9c9419d 100644 (file)
@@ -184,6 +184,21 @@ enum grinder_state {
        e_GRINDER_READ_MBUF
 };
 
+/*
+ * Path through the scheduler hierarchy used by the scheduler enqueue
+ * operation to identify the destination queue for the current
+ * packet. Stored in the field pkt.hash.sched of struct rte_mbuf of
+ * each packet, typically written by the classification stage and read
+ * by scheduler enqueue.
+ */
+struct __rte_sched_port_hierarchy {
+       uint32_t queue:2;                /**< Queue ID (0 .. 3) */
+       uint32_t traffic_class:2;        /**< Traffic class ID (0 .. 3)*/
+       uint32_t pipe:20;                /**< Pipe ID */
+       uint32_t subport:6;              /**< Subport ID */
+       uint32_t color:2;                /**< Color */
+};
+
 struct rte_sched_grinder {
        /* Pipe cache */
        uint16_t pcache_qmask[RTE_SCHED_GRINDER_PCACHE_SIZE];
@@ -910,6 +925,45 @@ rte_sched_pipe_config(struct rte_sched_port *port,
        return 0;
 }
 
+void
+rte_sched_port_pkt_write(struct rte_mbuf *pkt,
+                        uint32_t subport, uint32_t pipe, uint32_t traffic_class,
+                        uint32_t queue, enum rte_meter_color color)
+{
+       struct __rte_sched_port_hierarchy *sched
+               = (struct __rte_sched_port_hierarchy *) &pkt->hash.sched;
+
+       sched->color = (uint32_t) color;
+       sched->subport = subport;
+       sched->pipe = pipe;
+       sched->traffic_class = traffic_class;
+       sched->queue = queue;
+}
+
+void
+rte_sched_port_pkt_read_tree_path(const struct rte_mbuf *pkt,
+                                 uint32_t *subport, uint32_t *pipe,
+                                 uint32_t *traffic_class, uint32_t *queue)
+{
+       const struct __rte_sched_port_hierarchy *sched
+               = (const struct __rte_sched_port_hierarchy *) &pkt->hash.sched;
+
+       *subport = sched->subport;
+       *pipe = sched->pipe;
+       *traffic_class = sched->traffic_class;
+       *queue = sched->queue;
+}
+
+
+enum rte_meter_color
+rte_sched_port_pkt_read_color(const struct rte_mbuf *pkt)
+{
+       const struct __rte_sched_port_hierarchy *sched
+               = (const struct __rte_sched_port_hierarchy *) &pkt->hash.sched;
+
+       return (enum rte_meter_color) sched->color;
+}
+
 int
 rte_sched_subport_read_stats(struct rte_sched_port *port,
        uint32_t subport_id,