remove experimental tags from all symbol definitions
[dpdk.git] / lib / librte_sched / rte_sched.c
index 634486c..bc06bc3 100644 (file)
@@ -128,22 +128,6 @@ 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 {
-       uint16_t queue:2;                /**< Queue ID (0 .. 3) */
-       uint16_t traffic_class:2;        /**< Traffic class ID (0 .. 3)*/
-       uint32_t color:2;                /**< Color */
-       uint16_t unused:10;
-       uint16_t subport;                /**< Subport ID */
-       uint32_t pipe;                   /**< Pipe ID */
-};
-
 struct rte_sched_grinder {
        /* Pipe cache */
        uint16_t pcache_qmask[RTE_SCHED_GRINDER_PCACHE_SIZE];
@@ -185,6 +169,7 @@ struct rte_sched_port {
        /* User parameters */
        uint32_t n_subports_per_port;
        uint32_t n_pipes_per_subport;
+       uint32_t n_pipes_per_subport_log2;
        uint32_t rate;
        uint32_t mtu;
        uint32_t frame_overhead;
@@ -192,7 +177,7 @@ struct rte_sched_port {
        uint32_t n_pipe_profiles;
        uint32_t pipe_tc3_rate_max;
 #ifdef RTE_SCHED_RED
-       struct rte_red_config red_config[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE][e_RTE_METER_COLORS];
+       struct rte_red_config red_config[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE][RTE_COLORS];
 #endif
 
        /* Timing */
@@ -275,16 +260,61 @@ rte_sched_port_qsize(struct rte_sched_port *port, uint32_t qindex)
        return port->qsize[tc];
 }
 
+static int
+pipe_profile_check(struct rte_sched_pipe_params *params,
+       uint32_t rate)
+{
+       uint32_t i;
+
+       /* Pipe parameters */
+       if (params == NULL)
+               return -10;
+
+       /* TB rate: non-zero, not greater than port rate */
+       if (params->tb_rate == 0 ||
+               params->tb_rate > rate)
+               return -11;
+
+       /* TB size: non-zero */
+       if (params->tb_size == 0)
+               return -12;
+
+       /* TC rate: non-zero, less than pipe rate */
+       for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
+               if (params->tc_rate[i] == 0 ||
+                       params->tc_rate[i] > params->tb_rate)
+                       return -13;
+       }
+
+       /* TC period: non-zero */
+       if (params->tc_period == 0)
+               return -14;
+
+#ifdef RTE_SCHED_SUBPORT_TC_OV
+       /* TC3 oversubscription weight: non-zero */
+       if (params->tc_ov_weight == 0)
+               return -15;
+#endif
+
+       /* Queue WRR weights: non-zero */
+       for (i = 0; i < RTE_SCHED_QUEUES_PER_PIPE; i++) {
+               if (params->wrr_weights[i] == 0)
+                       return -16;
+       }
+
+       return 0;
+}
+
 static int
 rte_sched_port_check_params(struct rte_sched_port_params *params)
 {
-       uint32_t i, j;
+       uint32_t i;
 
        if (params == NULL)
                return -1;
 
        /* socket */
-       if ((params->socket < 0) || (params->socket >= RTE_MAX_NUMA_NODES))
+       if (params->socket < 0)
                return -3;
 
        /* rate */
@@ -324,36 +354,11 @@ rte_sched_port_check_params(struct rte_sched_port_params *params)
 
        for (i = 0; i < params->n_pipe_profiles; i++) {
                struct rte_sched_pipe_params *p = params->pipe_profiles + i;
+               int status;
 
-               /* TB rate: non-zero, not greater than port rate */
-               if (p->tb_rate == 0 || p->tb_rate > params->rate)
-                       return -10;
-
-               /* TB size: non-zero */
-               if (p->tb_size == 0)
-                       return -11;
-
-               /* TC rate: non-zero, less than pipe rate */
-               for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
-                       if (p->tc_rate[j] == 0 || p->tc_rate[j] > p->tb_rate)
-                               return -12;
-               }
-
-               /* TC period: non-zero */
-               if (p->tc_period == 0)
-                       return -13;
-
-#ifdef RTE_SCHED_SUBPORT_TC_OV
-               /* TC3 oversubscription weight: non-zero */
-               if (p->tc_ov_weight == 0)
-                       return -14;
-#endif
-
-               /* Queue WRR weights: non-zero */
-               for (j = 0; j < RTE_SCHED_QUEUES_PER_PIPE; j++) {
-                       if (p->wrr_weights[j] == 0)
-                               return -15;
-               }
+               status = pipe_profile_check(p, params->rate);
+               if (status != 0)
+                       return status;
        }
 
        return 0;
@@ -514,69 +519,80 @@ rte_sched_time_ms_to_bytes(uint32_t time_ms, uint32_t rate)
 }
 
 static void
-rte_sched_port_config_pipe_profile_table(struct rte_sched_port *port, struct rte_sched_port_params *params)
+rte_sched_pipe_profile_convert(struct rte_sched_pipe_params *src,
+       struct rte_sched_pipe_profile *dst,
+       uint32_t rate)
 {
-       uint32_t i, j;
+       uint32_t i;
 
-       for (i = 0; i < port->n_pipe_profiles; i++) {
-               struct rte_sched_pipe_params *src = params->pipe_profiles + i;
-               struct rte_sched_pipe_profile *dst = port->pipe_profiles + i;
+       /* Token Bucket */
+       if (src->tb_rate == rate) {
+               dst->tb_credits_per_period = 1;
+               dst->tb_period = 1;
+       } else {
+               double tb_rate = (double) src->tb_rate
+                               / (double) rate;
+               double d = RTE_SCHED_TB_RATE_CONFIG_ERR;
 
-               /* Token Bucket */
-               if (src->tb_rate == params->rate) {
-                       dst->tb_credits_per_period = 1;
-                       dst->tb_period = 1;
-               } else {
-                       double tb_rate = (double) src->tb_rate
-                               / (double) params->rate;
-                       double d = RTE_SCHED_TB_RATE_CONFIG_ERR;
-
-                       rte_approx(tb_rate, d,
-                                  &dst->tb_credits_per_period, &dst->tb_period);
-               }
-               dst->tb_size = src->tb_size;
+               rte_approx(tb_rate, d,
+                       &dst->tb_credits_per_period, &dst->tb_period);
+       }
 
-               /* Traffic Classes */
-               dst->tc_period = rte_sched_time_ms_to_bytes(src->tc_period,
-                                                           params->rate);
+       dst->tb_size = src->tb_size;
 
-               for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++)
-                       dst->tc_credits_per_period[j]
-                               = rte_sched_time_ms_to_bytes(src->tc_period,
-                                                            src->tc_rate[j]);
+       /* Traffic Classes */
+       dst->tc_period = rte_sched_time_ms_to_bytes(src->tc_period,
+                                               rate);
+
+       for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
+               dst->tc_credits_per_period[i]
+                       = rte_sched_time_ms_to_bytes(src->tc_period,
+                               src->tc_rate[i]);
 
 #ifdef RTE_SCHED_SUBPORT_TC_OV
-               dst->tc_ov_weight = src->tc_ov_weight;
+       dst->tc_ov_weight = src->tc_ov_weight;
 #endif
 
-               /* WRR */
-               for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
-                       uint32_t wrr_cost[RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS];
-                       uint32_t lcd, lcd1, lcd2;
-                       uint32_t qindex;
-
-                       qindex = j * RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS;
-
-                       wrr_cost[0] = src->wrr_weights[qindex];
-                       wrr_cost[1] = src->wrr_weights[qindex + 1];
-                       wrr_cost[2] = src->wrr_weights[qindex + 2];
-                       wrr_cost[3] = src->wrr_weights[qindex + 3];
-
-                       lcd1 = rte_get_lcd(wrr_cost[0], wrr_cost[1]);
-                       lcd2 = rte_get_lcd(wrr_cost[2], wrr_cost[3]);
-                       lcd = rte_get_lcd(lcd1, lcd2);
-
-                       wrr_cost[0] = lcd / wrr_cost[0];
-                       wrr_cost[1] = lcd / wrr_cost[1];
-                       wrr_cost[2] = lcd / wrr_cost[2];
-                       wrr_cost[3] = lcd / wrr_cost[3];
-
-                       dst->wrr_cost[qindex] = (uint8_t) wrr_cost[0];
-                       dst->wrr_cost[qindex + 1] = (uint8_t) wrr_cost[1];
-                       dst->wrr_cost[qindex + 2] = (uint8_t) wrr_cost[2];
-                       dst->wrr_cost[qindex + 3] = (uint8_t) wrr_cost[3];
-               }
+       /* WRR */
+       for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
+               uint32_t wrr_cost[RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS];
+               uint32_t lcd, lcd1, lcd2;
+               uint32_t qindex;
+
+               qindex = i * RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS;
+
+               wrr_cost[0] = src->wrr_weights[qindex];
+               wrr_cost[1] = src->wrr_weights[qindex + 1];
+               wrr_cost[2] = src->wrr_weights[qindex + 2];
+               wrr_cost[3] = src->wrr_weights[qindex + 3];
+
+               lcd1 = rte_get_lcd(wrr_cost[0], wrr_cost[1]);
+               lcd2 = rte_get_lcd(wrr_cost[2], wrr_cost[3]);
+               lcd = rte_get_lcd(lcd1, lcd2);
+
+               wrr_cost[0] = lcd / wrr_cost[0];
+               wrr_cost[1] = lcd / wrr_cost[1];
+               wrr_cost[2] = lcd / wrr_cost[2];
+               wrr_cost[3] = lcd / wrr_cost[3];
+
+               dst->wrr_cost[qindex] = (uint8_t) wrr_cost[0];
+               dst->wrr_cost[qindex + 1] = (uint8_t) wrr_cost[1];
+               dst->wrr_cost[qindex + 2] = (uint8_t) wrr_cost[2];
+               dst->wrr_cost[qindex + 3] = (uint8_t) wrr_cost[3];
+       }
+}
+
+static void
+rte_sched_port_config_pipe_profile_table(struct rte_sched_port *port,
+       struct rte_sched_port_params *params)
+{
+       uint32_t i;
+
+       for (i = 0; i < port->n_pipe_profiles; i++) {
+               struct rte_sched_pipe_params *src = params->pipe_profiles + i;
+               struct rte_sched_pipe_profile *dst = port->pipe_profiles + i;
 
+               rte_sched_pipe_profile_convert(src, dst, params->rate);
                rte_sched_port_log_pipe_profile(port, i);
        }
 
@@ -602,7 +618,8 @@ rte_sched_port_config(struct rte_sched_port_params *params)
                return NULL;
 
        /* Allocate memory to store the data structures */
-       port = rte_zmalloc("qos_params", mem_size, RTE_CACHE_LINE_SIZE);
+       port = rte_zmalloc_socket("qos_params", mem_size, RTE_CACHE_LINE_SIZE,
+               params->socket);
        if (port == NULL)
                return NULL;
 
@@ -613,6 +630,8 @@ rte_sched_port_config(struct rte_sched_port_params *params)
        /* User parameters */
        port->n_subports_per_port = params->n_subports_per_port;
        port->n_pipes_per_subport = params->n_pipes_per_subport;
+       port->n_pipes_per_subport_log2 =
+                       __builtin_ctz(params->n_pipes_per_subport);
        port->rate = params->rate;
        port->mtu = params->mtu + params->frame_overhead;
        port->frame_overhead = params->frame_overhead;
@@ -623,7 +642,7 @@ rte_sched_port_config(struct rte_sched_port_params *params)
        for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
                uint32_t j;
 
-               for (j = 0; j < e_RTE_METER_COLORS; j++) {
+               for (j = 0; j < RTE_COLORS; j++) {
                        /* if min/max are both zero, then RED is disabled */
                        if ((params->red_params[i][j].min_th |
                             params->red_params[i][j].max_th) == 0) {
@@ -635,6 +654,7 @@ rte_sched_port_config(struct rte_sched_port_params *params)
                                params->red_params[i][j].min_th,
                                params->red_params[i][j].max_th,
                                params->red_params[i][j].maxp_inv) != 0) {
+                               rte_free(port);
                                return NULL;
                        }
                }
@@ -694,6 +714,7 @@ rte_sched_port_config(struct rte_sched_port_params *params)
                                    bmp_mem_size);
        if (port->bmp == NULL) {
                RTE_LOG(ERR, SCHED, "Bitmap init error\n");
+               rte_free(port);
                return NULL;
        }
 
@@ -932,44 +953,94 @@ 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)
+int
+rte_sched_port_pipe_profile_add(struct rte_sched_port *port,
+       struct rte_sched_pipe_params *params,
+       uint32_t *pipe_profile_id)
 {
-       struct rte_sched_port_hierarchy *sched
-               = (struct rte_sched_port_hierarchy *) &pkt->hash.sched;
+       struct rte_sched_pipe_profile *pp;
+       uint32_t i;
+       int status;
+
+       /* Port */
+       if (port == NULL)
+               return -1;
+
+       /* Pipe profiles not exceeds the max limit */
+       if (port->n_pipe_profiles >= RTE_SCHED_PIPE_PROFILES_PER_PORT)
+               return -2;
 
-       RTE_BUILD_BUG_ON(sizeof(*sched) > sizeof(pkt->hash.sched));
+       /* Pipe params */
+       status = pipe_profile_check(params, port->rate);
+       if (status != 0)
+               return status;
 
-       sched->color = (uint32_t) color;
-       sched->subport = subport;
-       sched->pipe = pipe;
-       sched->traffic_class = traffic_class;
-       sched->queue = queue;
+       pp = &port->pipe_profiles[port->n_pipe_profiles];
+       rte_sched_pipe_profile_convert(params, pp, port->rate);
+
+       /* Pipe profile not exists */
+       for (i = 0; i < port->n_pipe_profiles; i++)
+               if (memcmp(port->pipe_profiles + i, pp, sizeof(*pp)) == 0)
+                       return -3;
+
+       /* Pipe profile commit */
+       *pipe_profile_id = port->n_pipe_profiles;
+       port->n_pipe_profiles++;
+
+       if (port->pipe_tc3_rate_max < params->tc_rate[3])
+               port->pipe_tc3_rate_max = params->tc_rate[3];
+
+       rte_sched_port_log_pipe_profile(port, *pipe_profile_id);
+
+       return 0;
+}
+
+static inline uint32_t
+rte_sched_port_qindex(struct rte_sched_port *port,
+       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));
 }
 
 void
-rte_sched_port_pkt_read_tree_path(const struct rte_mbuf *pkt,
+rte_sched_port_pkt_write(struct rte_sched_port *port,
+                        struct rte_mbuf *pkt,
+                        uint32_t subport, uint32_t pipe,
+                        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);
+}
+
+void
+rte_sched_port_pkt_read_tree_path(struct rte_sched_port *port,
+                                 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;
+       uint32_t queue_id = rte_mbuf_sched_queue_get(pkt);
 
-       *subport = sched->subport;
-       *pipe = sched->pipe;
-       *traffic_class = sched->traffic_class;
-       *queue = sched->queue;
+       *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);
 }
 
-enum rte_meter_color
+enum rte_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;
+       return (enum rte_color)rte_mbuf_sched_color_get(pkt);
 }
 
 int
@@ -1026,18 +1097,6 @@ rte_sched_queue_read_stats(struct rte_sched_port *port,
        return 0;
 }
 
-static inline uint32_t
-rte_sched_port_qindex(struct rte_sched_port *port, uint32_t subport, uint32_t pipe, uint32_t traffic_class, uint32_t queue)
-{
-       uint32_t result;
-
-       result = subport * port->n_pipes_per_subport + pipe;
-       result = result * RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE + traffic_class;
-       result = result * RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS + queue;
-
-       return result;
-}
-
 #ifdef RTE_SCHED_DEBUG
 
 static inline int
@@ -1129,7 +1188,7 @@ rte_sched_port_red_drop(struct rte_sched_port *port, struct rte_mbuf *pkt, uint3
        struct rte_red_config *red_cfg;
        struct rte_red *red;
        uint32_t tc_index;
-       enum rte_meter_color color;
+       enum rte_color color;
 
        tc_index = (qindex >> 2) & 0x3;
        color = rte_sched_port_pkt_read_color(pkt);
@@ -1198,11 +1257,8 @@ rte_sched_port_enqueue_qptrs_prefetch0(struct rte_sched_port *port,
 #ifdef RTE_SCHED_COLLECT_STATS
        struct rte_sched_queue_extra *qe;
 #endif
-       uint32_t subport, pipe, traffic_class, queue, qindex;
-
-       rte_sched_port_pkt_read_tree_path(pkt, &subport, &pipe, &traffic_class, &queue);
+       uint32_t qindex = rte_mbuf_sched_queue_get(pkt);
 
-       qindex = rte_sched_port_qindex(port, subport, pipe, traffic_class, queue);
        q = port->queue + qindex;
        rte_prefetch0(q);
 #ifdef RTE_SCHED_COLLECT_STATS