doc: add Meson coding style to contributors guide
[dpdk.git] / lib / librte_sched / rte_sched.c
index ac315d6..7c56880 100644 (file)
@@ -29,7 +29,7 @@
 
 #ifdef RTE_ARCH_X86
 #define SCHED_VECTOR_SSE4
-#elif defined(RTE_MACHINE_CPUFLAG_NEON)
+#elif defined(__ARM_NEON)
 #define SCHED_VECTOR_NEON
 #endif
 
  */
 #define RTE_SCHED_TIME_SHIFT                 8
 
-struct rte_sched_subport {
-       /* Token bucket (TB) */
-       uint64_t tb_time; /* time of last update */
-       uint32_t tb_period;
-       uint32_t tb_credits_per_period;
-       uint32_t tb_size;
-       uint32_t tb_credits;
-
-       /* Traffic classes (TCs) */
-       uint64_t tc_time; /* time of next update */
-       uint32_t tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
-       uint32_t tc_credits[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
-       uint32_t tc_period;
-
-       /* TC oversubscription */
-       uint32_t tc_ov_wm;
-       uint32_t tc_ov_wm_min;
-       uint32_t tc_ov_wm_max;
-       uint8_t tc_ov_period_id;
-       uint8_t tc_ov;
-       uint32_t tc_ov_n;
-       double tc_ov_rate;
-
-       /* Statistics */
-       struct rte_sched_subport_stats stats;
-};
-
 struct rte_sched_pipe_profile {
        /* Token bucket (TB) */
-       uint32_t tb_period;
-       uint32_t tb_credits_per_period;
-       uint32_t tb_size;
+       uint64_t tb_period;
+       uint64_t tb_credits_per_period;
+       uint64_t tb_size;
 
        /* Pipe traffic classes */
-       uint32_t tc_period;
-       uint32_t tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+       uint64_t tc_period;
+       uint64_t tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
        uint8_t tc_ov_weight;
 
        /* Pipe best-effort traffic class queues */
@@ -92,22 +65,21 @@ struct rte_sched_pipe_profile {
 struct rte_sched_pipe {
        /* Token bucket (TB) */
        uint64_t tb_time; /* time of last update */
-       uint32_t tb_credits;
+       uint64_t tb_credits;
 
        /* Pipe profile and flags */
        uint32_t profile;
 
        /* Traffic classes (TCs) */
        uint64_t tc_time; /* time of next update */
-       uint32_t tc_credits[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+       uint64_t tc_credits[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
 
        /* Weighted Round Robin (WRR) */
        uint8_t wrr_tokens[RTE_SCHED_BE_QUEUES_PER_PIPE];
 
        /* TC oversubscription */
-       uint32_t tc_ov_credits;
+       uint64_t tc_ov_credits;
        uint8_t tc_ov_period_id;
-       uint8_t reserved[3];
 } __rte_cache_aligned;
 
 struct rte_sched_queue {
@@ -129,6 +101,16 @@ 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];
@@ -141,6 +123,7 @@ struct rte_sched_grinder {
        uint32_t productive;
        uint32_t pindex;
        struct rte_sched_subport *subport;
+       struct rte_sched_subport_profile *subport_params;
        struct rte_sched_pipe *pipe;
        struct rte_sched_pipe_profile *pipe_params;
 
@@ -166,31 +149,44 @@ struct rte_sched_grinder {
        uint8_t wrr_cost[RTE_SCHED_BE_QUEUES_PER_PIPE];
 };
 
-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;
-       uint16_t pipe_queue[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
-       uint8_t pipe_tc[RTE_SCHED_QUEUES_PER_PIPE];
-       uint8_t tc_queue[RTE_SCHED_QUEUES_PER_PIPE];
-       uint32_t rate;
-       uint32_t mtu;
-       uint32_t frame_overhead;
-       uint16_t qsize[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+struct rte_sched_subport {
+       /* Token bucket (TB) */
+       uint64_t tb_time; /* time of last update */
+       uint64_t tb_credits;
+
+       /* Traffic classes (TCs) */
+       uint64_t tc_time; /* time of next update */
+       uint64_t tc_credits[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+
+       /* TC oversubscription */
+       uint64_t tc_ov_wm;
+       uint64_t tc_ov_wm_min;
+       uint64_t tc_ov_wm_max;
+       uint8_t tc_ov_period_id;
+       uint8_t tc_ov;
+       uint32_t tc_ov_n;
+       double tc_ov_rate;
+
+       /* Statistics */
+       struct rte_sched_subport_stats stats __rte_cache_aligned;
+
+       /* subport profile */
+       uint32_t profile;
+       /* Subport pipes */
+       uint32_t n_pipes_per_subport_enabled;
        uint32_t n_pipe_profiles;
        uint32_t n_max_pipe_profiles;
-       uint32_t pipe_tc3_rate_max;
+
+       /* Pipe best-effort TC rate */
+       uint64_t pipe_tc_be_rate_max;
+
+       /* Pipe queues size */
+       uint16_t qsize[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+
 #ifdef RTE_SCHED_RED
        struct rte_red_config red_config[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE][RTE_COLORS];
 #endif
 
-       /* Timing */
-       uint64_t time_cpu_cycles;     /* Current CPU time measured in CPU cyles */
-       uint64_t time_cpu_bytes;      /* Current CPU time measured in bytes */
-       uint64_t time;                /* Current NIC TX time measured in bytes */
-       struct rte_reciprocal inv_cycles_per_byte; /* CPU cycles per byte */
-
        /* Scheduling loop detection */
        uint32_t pipe_loop;
        uint32_t pipe_exhaustion;
@@ -202,15 +198,11 @@ struct rte_sched_port {
        /* Grinders */
        struct rte_sched_grinder grinder[RTE_SCHED_PORT_N_GRINDERS];
        uint32_t busy_grinders;
-       struct rte_mbuf **pkts_out;
-       uint32_t n_pkts_out;
 
        /* Queue base calculation */
        uint32_t qsize_add[RTE_SCHED_QUEUES_PER_PIPE];
        uint32_t qsize_sum;
 
-       /* Large data structures */
-       struct rte_sched_subport *subport;
        struct rte_sched_pipe *pipe;
        struct rte_sched_queue *queue;
        struct rte_sched_queue_extra *queue_extra;
@@ -220,49 +212,82 @@ struct rte_sched_port {
        uint8_t memory[0] __rte_cache_aligned;
 } __rte_cache_aligned;
 
-enum rte_sched_port_array {
-       e_RTE_SCHED_PORT_ARRAY_SUBPORT = 0,
-       e_RTE_SCHED_PORT_ARRAY_PIPE,
-       e_RTE_SCHED_PORT_ARRAY_QUEUE,
-       e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA,
-       e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES,
-       e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY,
-       e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY,
-       e_RTE_SCHED_PORT_ARRAY_TOTAL,
-};
+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;
+       uint16_t pipe_queue[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+       uint8_t pipe_tc[RTE_SCHED_QUEUES_PER_PIPE];
+       uint8_t tc_queue[RTE_SCHED_QUEUES_PER_PIPE];
+       uint32_t n_subport_profiles;
+       uint32_t n_max_subport_profiles;
+       uint64_t rate;
+       uint32_t mtu;
+       uint32_t frame_overhead;
+       int socket;
 
-#ifdef RTE_SCHED_COLLECT_STATS
+       /* Timing */
+       uint64_t time_cpu_cycles;     /* Current CPU time measured in CPU cyles */
+       uint64_t time_cpu_bytes;      /* Current CPU time measured in bytes */
+       uint64_t time;                /* Current NIC TX time measured in bytes */
+       struct rte_reciprocal inv_cycles_per_byte; /* CPU cycles per byte */
+       uint64_t cycles_per_byte;
 
-static inline uint32_t
-rte_sched_port_queues_per_subport(struct rte_sched_port *port)
-{
-       return RTE_SCHED_QUEUES_PER_PIPE * port->n_pipes_per_subport;
-}
+       /* Grinders */
+       struct rte_mbuf **pkts_out;
+       uint32_t n_pkts_out;
+       uint32_t subport_id;
 
-#endif
+       /* Large data structures */
+       struct rte_sched_subport_profile *subport_profiles;
+       struct rte_sched_subport *subports[0] __rte_cache_aligned;
+} __rte_cache_aligned;
+
+enum rte_sched_subport_array {
+       e_RTE_SCHED_SUBPORT_ARRAY_PIPE = 0,
+       e_RTE_SCHED_SUBPORT_ARRAY_QUEUE,
+       e_RTE_SCHED_SUBPORT_ARRAY_QUEUE_EXTRA,
+       e_RTE_SCHED_SUBPORT_ARRAY_PIPE_PROFILES,
+       e_RTE_SCHED_SUBPORT_ARRAY_BMP_ARRAY,
+       e_RTE_SCHED_SUBPORT_ARRAY_QUEUE_ARRAY,
+       e_RTE_SCHED_SUBPORT_ARRAY_TOTAL,
+};
 
 static inline uint32_t
-rte_sched_port_queues_per_port(struct rte_sched_port *port)
+rte_sched_subport_pipe_queues(struct rte_sched_subport *subport)
 {
-       return RTE_SCHED_QUEUES_PER_PIPE * port->n_pipes_per_subport * port->n_subports_per_port;
+       return RTE_SCHED_QUEUES_PER_PIPE * subport->n_pipes_per_subport_enabled;
 }
 
 static inline struct rte_mbuf **
-rte_sched_port_qbase(struct rte_sched_port *port, uint32_t qindex)
+rte_sched_subport_pipe_qbase(struct rte_sched_subport *subport, uint32_t qindex)
 {
        uint32_t pindex = qindex >> 4;
-       uint32_t qpos = qindex & 0xF;
+       uint32_t qpos = qindex & (RTE_SCHED_QUEUES_PER_PIPE - 1);
 
-       return (port->queue_array + pindex *
-               port->qsize_sum + port->qsize_add[qpos]);
+       return (subport->queue_array + pindex *
+               subport->qsize_sum + subport->qsize_add[qpos]);
 }
 
 static inline uint16_t
-rte_sched_port_qsize(struct rte_sched_port *port, uint32_t qindex)
+rte_sched_subport_pipe_qsize(struct rte_sched_port *port,
+struct rte_sched_subport *subport, uint32_t qindex)
 {
        uint32_t tc = port->pipe_tc[qindex & (RTE_SCHED_QUEUES_PER_PIPE - 1)];
 
-       return port->qsize[tc];
+       return subport->qsize[tc];
+}
+
+static inline uint32_t
+rte_sched_port_queues_per_port(struct rte_sched_port *port)
+{
+       uint32_t n_queues = 0, i;
+
+       for (i = 0; i < port->n_subports_per_port; i++)
+               n_queues += rte_sched_subport_pipe_queues(port->subports[i]);
+
+       return n_queues;
 }
 
 static inline uint16_t
@@ -291,46 +316,121 @@ rte_sched_port_tc_queue(struct rte_sched_port *port, uint32_t qindex)
 
 static int
 pipe_profile_check(struct rte_sched_pipe_params *params,
-       uint32_t rate, uint16_t *qsize)
+       uint64_t rate, uint16_t *qsize)
 {
        uint32_t i;
 
        /* Pipe parameters */
-       if (params == NULL)
-               return -10;
+       if (params == NULL) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter params\n", __func__);
+               return -EINVAL;
+       }
 
        /* TB rate: non-zero, not greater than port rate */
        if (params->tb_rate == 0 ||
-               params->tb_rate > rate)
-               return -11;
+               params->tb_rate > rate) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for tb rate\n", __func__);
+               return -EINVAL;
+       }
 
        /* TB size: non-zero */
-       if (params->tb_size == 0)
-               return -12;
+       if (params->tb_size == 0) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for tb size\n", __func__);
+               return -EINVAL;
+       }
 
        /* TC rate: non-zero if qsize non-zero, less than pipe rate */
        for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
                if ((qsize[i] == 0 && params->tc_rate[i] != 0) ||
                        (qsize[i] != 0 && (params->tc_rate[i] == 0 ||
-                       params->tc_rate[i] > params->tb_rate)))
-                       return -13;
+                       params->tc_rate[i] > params->tb_rate))) {
+                       RTE_LOG(ERR, SCHED,
+                               "%s: Incorrect value for qsize or tc_rate\n", __func__);
+                       return -EINVAL;
+               }
        }
+
        if (params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE] == 0 ||
-               qsize[RTE_SCHED_TRAFFIC_CLASS_BE] == 0)
-               return -13;
+               qsize[RTE_SCHED_TRAFFIC_CLASS_BE] == 0) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for be traffic class rate\n", __func__);
+               return -EINVAL;
+       }
 
        /* TC period: non-zero */
-       if (params->tc_period == 0)
-               return -14;
+       if (params->tc_period == 0) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for tc period\n", __func__);
+               return -EINVAL;
+       }
 
-       /* TC3 oversubscription weight: non-zero */
-       if (params->tc_ov_weight == 0)
-               return -15;
+       /*  Best effort tc oversubscription weight: non-zero */
+       if (params->tc_ov_weight == 0) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for tc ov weight\n", __func__);
+               return -EINVAL;
+       }
 
        /* Queue WRR weights: non-zero */
        for (i = 0; i < RTE_SCHED_BE_QUEUES_PER_PIPE; i++) {
-               if (params->wrr_weights[i] == 0)
-                       return -16;
+               if (params->wrr_weights[i] == 0) {
+                       RTE_LOG(ERR, SCHED,
+                               "%s: Incorrect value for wrr weight\n", __func__);
+                       return -EINVAL;
+               }
+       }
+
+       return 0;
+}
+
+static int
+subport_profile_check(struct rte_sched_subport_profile_params *params,
+       uint64_t rate)
+{
+       uint32_t i;
+
+       /* Check user parameters */
+       if (params == NULL) {
+               RTE_LOG(ERR, SCHED, "%s: "
+               "Incorrect value for parameter params\n", __func__);
+               return -EINVAL;
+       }
+
+       if (params->tb_rate == 0 || params->tb_rate > rate) {
+               RTE_LOG(ERR, SCHED, "%s: "
+               "Incorrect value for tb rate\n", __func__);
+               return -EINVAL;
+       }
+
+       if (params->tb_size == 0) {
+               RTE_LOG(ERR, SCHED, "%s: "
+               "Incorrect value for tb size\n", __func__);
+               return -EINVAL;
+       }
+
+       for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
+               uint64_t tc_rate = params->tc_rate[i];
+
+               if (tc_rate == 0 || (tc_rate > params->tb_rate)) {
+                       RTE_LOG(ERR, SCHED, "%s: "
+                       "Incorrect value for tc rate\n", __func__);
+                       return -EINVAL;
+               }
+       }
+
+       if (params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE] == 0) {
+               RTE_LOG(ERR, SCHED, "%s: "
+               "Incorrect tc rate(best effort)\n", __func__);
+               return -EINVAL;
+       }
+
+       if (params->tc_period == 0) {
+               RTE_LOG(ERR, SCHED, "%s: "
+               "Incorrect value for tc period\n", __func__);
+               return -EINVAL;
        }
 
        return 0;
@@ -341,77 +441,93 @@ rte_sched_port_check_params(struct rte_sched_port_params *params)
 {
        uint32_t i;
 
-       if (params == NULL)
-               return -1;
+       if (params == NULL) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter params\n", __func__);
+               return -EINVAL;
+       }
 
        /* socket */
-       if (params->socket < 0)
-               return -3;
+       if (params->socket < 0) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for socket id\n", __func__);
+               return -EINVAL;
+       }
 
        /* rate */
-       if (params->rate == 0)
-               return -4;
+       if (params->rate == 0) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for rate\n", __func__);
+               return -EINVAL;
+       }
 
        /* mtu */
-       if (params->mtu == 0)
-               return -5;
+       if (params->mtu == 0) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for mtu\n", __func__);
+               return -EINVAL;
+       }
 
        /* n_subports_per_port: non-zero, limited to 16 bits, power of 2 */
        if (params->n_subports_per_port == 0 ||
            params->n_subports_per_port > 1u << 16 ||
-           !rte_is_power_of_2(params->n_subports_per_port))
-               return -6;
-
-       /* n_pipes_per_subport: non-zero, power of 2 */
-       if (params->n_pipes_per_subport == 0 ||
-           !rte_is_power_of_2(params->n_pipes_per_subport))
-               return -7;
-
-       /* qsize: non-zero, power of 2,
-        * no bigger than 32K (due to 16-bit read/write pointers)
-        */
-       for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
-               uint16_t qsize = params->qsize[i];
-
-               if ((qsize != 0 && !rte_is_power_of_2(qsize)) ||
-                       ((i == RTE_SCHED_TRAFFIC_CLASS_BE) && (qsize == 0)))
-                       return -8;
+           !rte_is_power_of_2(params->n_subports_per_port)) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for number of subports\n", __func__);
+               return -EINVAL;
        }
 
-       /* pipe_profiles and n_pipe_profiles */
-       if (params->pipe_profiles == NULL ||
-           params->n_pipe_profiles == 0 ||
-           params->n_pipe_profiles > params->n_max_pipe_profiles)
-               return -9;
+       if (params->subport_profiles == NULL ||
+               params->n_subport_profiles == 0 ||
+               params->n_max_subport_profiles == 0 ||
+               params->n_subport_profiles > params->n_max_subport_profiles) {
+               RTE_LOG(ERR, SCHED,
+               "%s: Incorrect value for subport profiles\n", __func__);
+               return -EINVAL;
+       }
 
-       for (i = 0; i < params->n_pipe_profiles; i++) {
-               struct rte_sched_pipe_params *p = params->pipe_profiles + i;
+       for (i = 0; i < params->n_subport_profiles; i++) {
+               struct rte_sched_subport_profile_params *p =
+                                               params->subport_profiles + i;
                int status;
 
-               status = pipe_profile_check(p, params->rate, &params->qsize[0]);
-               if (status != 0)
-                       return status;
+               status = subport_profile_check(p, params->rate);
+               if (status != 0) {
+                       RTE_LOG(ERR, SCHED,
+                       "%s: subport profile check failed(%d)\n",
+                       __func__, status);
+                       return -EINVAL;
+               }
+       }
+
+       /* n_pipes_per_subport: non-zero, power of 2 */
+       if (params->n_pipes_per_subport == 0 ||
+           !rte_is_power_of_2(params->n_pipes_per_subport)) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for maximum pipes number\n", __func__);
+               return -EINVAL;
        }
 
        return 0;
 }
 
 static uint32_t
-rte_sched_port_get_array_base(struct rte_sched_port_params *params, enum rte_sched_port_array array)
+rte_sched_subport_get_array_base(struct rte_sched_subport_params *params,
+       enum rte_sched_subport_array array)
 {
-       uint32_t n_subports_per_port = params->n_subports_per_port;
-       uint32_t n_pipes_per_subport = params->n_pipes_per_subport;
-       uint32_t n_pipes_per_port = n_pipes_per_subport * n_subports_per_port;
-       uint32_t n_queues_per_port = RTE_SCHED_QUEUES_PER_PIPE * n_pipes_per_subport * n_subports_per_port;
+       uint32_t n_pipes_per_subport = params->n_pipes_per_subport_enabled;
+       uint32_t n_subport_pipe_queues =
+               RTE_SCHED_QUEUES_PER_PIPE * n_pipes_per_subport;
 
-       uint32_t size_subport = n_subports_per_port * sizeof(struct rte_sched_subport);
-       uint32_t size_pipe = n_pipes_per_port * sizeof(struct rte_sched_pipe);
-       uint32_t size_queue = n_queues_per_port * sizeof(struct rte_sched_queue);
+       uint32_t size_pipe = n_pipes_per_subport * sizeof(struct rte_sched_pipe);
+       uint32_t size_queue =
+               n_subport_pipe_queues * sizeof(struct rte_sched_queue);
        uint32_t size_queue_extra
-               = n_queues_per_port * sizeof(struct rte_sched_queue_extra);
-       uint32_t size_pipe_profiles
-               = params->n_max_pipe_profiles * sizeof(struct rte_sched_pipe_profile);
-       uint32_t size_bmp_array = rte_bitmap_get_memory_footprint(n_queues_per_port);
+               = n_subport_pipe_queues * sizeof(struct rte_sched_queue_extra);
+       uint32_t size_pipe_profiles = params->n_max_pipe_profiles *
+               sizeof(struct rte_sched_pipe_profile);
+       uint32_t size_bmp_array =
+               rte_bitmap_get_memory_footprint(n_subport_pipe_queues);
        uint32_t size_per_pipe_queue_array, size_queue_array;
 
        uint32_t base, i;
@@ -425,96 +541,74 @@ rte_sched_port_get_array_base(struct rte_sched_port_params *params, enum rte_sch
                        size_per_pipe_queue_array += RTE_SCHED_MAX_QUEUES_PER_TC *
                                params->qsize[i] * sizeof(struct rte_mbuf *);
        }
-       size_queue_array = n_pipes_per_port * size_per_pipe_queue_array;
+       size_queue_array = n_pipes_per_subport * size_per_pipe_queue_array;
 
        base = 0;
 
-       if (array == e_RTE_SCHED_PORT_ARRAY_SUBPORT)
-               return base;
-       base += RTE_CACHE_LINE_ROUNDUP(size_subport);
-
-       if (array == e_RTE_SCHED_PORT_ARRAY_PIPE)
+       if (array == e_RTE_SCHED_SUBPORT_ARRAY_PIPE)
                return base;
        base += RTE_CACHE_LINE_ROUNDUP(size_pipe);
 
-       if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE)
+       if (array == e_RTE_SCHED_SUBPORT_ARRAY_QUEUE)
                return base;
        base += RTE_CACHE_LINE_ROUNDUP(size_queue);
 
-       if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA)
+       if (array == e_RTE_SCHED_SUBPORT_ARRAY_QUEUE_EXTRA)
                return base;
        base += RTE_CACHE_LINE_ROUNDUP(size_queue_extra);
 
-       if (array == e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES)
+       if (array == e_RTE_SCHED_SUBPORT_ARRAY_PIPE_PROFILES)
                return base;
        base += RTE_CACHE_LINE_ROUNDUP(size_pipe_profiles);
 
-       if (array == e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY)
+       if (array == e_RTE_SCHED_SUBPORT_ARRAY_BMP_ARRAY)
                return base;
        base += RTE_CACHE_LINE_ROUNDUP(size_bmp_array);
 
-       if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY)
+       if (array == e_RTE_SCHED_SUBPORT_ARRAY_QUEUE_ARRAY)
                return base;
        base += RTE_CACHE_LINE_ROUNDUP(size_queue_array);
 
        return base;
 }
 
-uint32_t
-rte_sched_port_get_memory_footprint(struct rte_sched_port_params *params)
-{
-       uint32_t size0, size1;
-       int status;
-
-       status = rte_sched_port_check_params(params);
-       if (status != 0) {
-               RTE_LOG(NOTICE, SCHED,
-                       "Port scheduler params check failed (%d)\n", status);
-
-               return 0;
-       }
-
-       size0 = sizeof(struct rte_sched_port);
-       size1 = rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_TOTAL);
-
-       return size0 + size1;
-}
-
 static void
-rte_sched_port_config_qsize(struct rte_sched_port *port)
+rte_sched_subport_config_qsize(struct rte_sched_subport *subport)
 {
        uint32_t i;
 
-       port->qsize_add[0] = 0;
+       subport->qsize_add[0] = 0;
 
        /* Strict prority traffic class */
        for (i = 1; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
-               port->qsize_add[i] = port->qsize_add[i-1] + port->qsize[i-1];
+               subport->qsize_add[i] = subport->qsize_add[i-1] + subport->qsize[i-1];
 
        /* Best-effort traffic class */
-       port->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE + 1] =
-               port->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE] +
-               port->qsize[RTE_SCHED_TRAFFIC_CLASS_BE];
-       port->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE + 2] =
-               port->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE + 1] +
-               port->qsize[RTE_SCHED_TRAFFIC_CLASS_BE];
-       port->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE + 3] =
-               port->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE + 2] +
-               port->qsize[RTE_SCHED_TRAFFIC_CLASS_BE];
-
-       port->qsize_sum = port->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE + 3] +
-               port->qsize[RTE_SCHED_TRAFFIC_CLASS_BE];
+       subport->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE + 1] =
+               subport->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE] +
+               subport->qsize[RTE_SCHED_TRAFFIC_CLASS_BE];
+       subport->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE + 2] =
+               subport->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE + 1] +
+               subport->qsize[RTE_SCHED_TRAFFIC_CLASS_BE];
+       subport->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE + 3] =
+               subport->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE + 2] +
+               subport->qsize[RTE_SCHED_TRAFFIC_CLASS_BE];
+
+       subport->qsize_sum = subport->qsize_add[RTE_SCHED_TRAFFIC_CLASS_BE + 3] +
+               subport->qsize[RTE_SCHED_TRAFFIC_CLASS_BE];
 }
 
 static void
-rte_sched_port_log_pipe_profile(struct rte_sched_port *port, uint32_t i)
+rte_sched_port_log_pipe_profile(struct rte_sched_subport *subport, uint32_t i)
 {
-       struct rte_sched_pipe_profile *p = port->pipe_profiles + i;
+       struct rte_sched_pipe_profile *p = subport->pipe_profiles + i;
 
        RTE_LOG(DEBUG, SCHED, "Low level config for pipe profile %u:\n"
-               "       Token bucket: period = %u, credits per period = %u, size = %u\n"
-               "       Traffic classes: period = %u,\n"
-               "       credits per period = [%u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u]\n"
+               "       Token bucket: period = %"PRIu64", credits per period = %"PRIu64", size = %"PRIu64"\n"
+               "       Traffic classes: period = %"PRIu64",\n"
+               "       credits per period = [%"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64
+               ", %"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64
+               ", %"PRIu64", %"PRIu64", %"PRIu64"]\n"
                "       Best-effort traffic class oversubscription: weight = %hhu\n"
                "       WRR cost: [%hhu, %hhu, %hhu, %hhu]\n",
                i,
@@ -540,15 +634,51 @@ rte_sched_port_log_pipe_profile(struct rte_sched_port *port, uint32_t i)
                p->tc_credits_per_period[11],
                p->tc_credits_per_period[12],
 
-               /* Traffic class 3 oversubscription */
+               /* Best-effort traffic class oversubscription */
                p->tc_ov_weight,
 
                /* WRR */
                p->wrr_cost[0], p->wrr_cost[1], p->wrr_cost[2], p->wrr_cost[3]);
 }
 
+static void
+rte_sched_port_log_subport_profile(struct rte_sched_port *port, uint32_t i)
+{
+       struct rte_sched_subport_profile *p = port->subport_profiles + i;
+
+       RTE_LOG(DEBUG, SCHED, "Low level config for subport profile %u:\n"
+       "Token bucket: period = %"PRIu64", credits per period = %"PRIu64","
+       "size = %"PRIu64"\n"
+       "Traffic classes: period = %"PRIu64",\n"
+       "credits per period = [%"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64
+       " %"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64", %"PRIu64
+       " %"PRIu64", %"PRIu64", %"PRIu64"]\n",
+       i,
+
+       /* Token bucket */
+       p->tb_period,
+       p->tb_credits_per_period,
+       p->tb_size,
+
+       /* Traffic classes */
+       p->tc_period,
+       p->tc_credits_per_period[0],
+       p->tc_credits_per_period[1],
+       p->tc_credits_per_period[2],
+       p->tc_credits_per_period[3],
+       p->tc_credits_per_period[4],
+       p->tc_credits_per_period[5],
+       p->tc_credits_per_period[6],
+       p->tc_credits_per_period[7],
+       p->tc_credits_per_period[8],
+       p->tc_credits_per_period[9],
+       p->tc_credits_per_period[10],
+       p->tc_credits_per_period[11],
+       p->tc_credits_per_period[12]);
+}
+
 static inline uint64_t
-rte_sched_time_ms_to_bytes(uint32_t time_ms, uint32_t rate)
+rte_sched_time_ms_to_bytes(uint64_t time_ms, uint64_t rate)
 {
        uint64_t time = time_ms;
 
@@ -558,10 +688,10 @@ rte_sched_time_ms_to_bytes(uint32_t time_ms, uint32_t rate)
 }
 
 static void
-rte_sched_pipe_profile_convert(struct rte_sched_port *port,
+rte_sched_pipe_profile_convert(struct rte_sched_subport *subport,
        struct rte_sched_pipe_params *src,
        struct rte_sched_pipe_profile *dst,
-       uint32_t rate)
+       uint64_t rate)
 {
        uint32_t wrr_cost[RTE_SCHED_BE_QUEUES_PER_PIPE];
        uint32_t lcd1, lcd2, lcd;
@@ -576,8 +706,8 @@ rte_sched_pipe_profile_convert(struct rte_sched_port *port,
                                / (double) rate;
                double d = RTE_SCHED_TB_RATE_CONFIG_ERR;
 
-               rte_approx(tb_rate, d,
-                       &dst->tb_credits_per_period, &dst->tb_period);
+               rte_approx_64(tb_rate, d, &dst->tb_credits_per_period,
+                       &dst->tb_period);
        }
 
        dst->tb_size = src->tb_size;
@@ -587,7 +717,7 @@ rte_sched_pipe_profile_convert(struct rte_sched_port *port,
                                                rate);
 
        for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
-               if (port->qsize[i])
+               if (subport->qsize[i])
                        dst->tc_credits_per_period[i]
                                = rte_sched_time_ms_to_bytes(src->tc_period,
                                        src->tc_rate[i]);
@@ -616,55 +746,235 @@ rte_sched_pipe_profile_convert(struct rte_sched_port *port,
 }
 
 static void
-rte_sched_port_config_pipe_profile_table(struct rte_sched_port *port,
-       struct rte_sched_port_params *params)
+rte_sched_subport_profile_convert(struct rte_sched_subport_profile_params *src,
+       struct rte_sched_subport_profile *dst,
+       uint64_t rate)
+{
+       uint32_t 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;
+
+               rte_approx_64(tb_rate, d, &dst->tb_credits_per_period,
+                       &dst->tb_period);
+       }
+
+       dst->tb_size = src->tb_size;
+
+       /* 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]);
+}
+
+static void
+rte_sched_subport_config_pipe_profile_table(struct rte_sched_subport *subport,
+       struct rte_sched_subport_params *params, uint64_t rate)
 {
        uint32_t i;
 
-       for (i = 0; i < port->n_pipe_profiles; i++) {
+       for (i = 0; i < subport->n_pipe_profiles; i++) {
                struct rte_sched_pipe_params *src = params->pipe_profiles + i;
-               struct rte_sched_pipe_profile *dst = port->pipe_profiles + i;
+               struct rte_sched_pipe_profile *dst = subport->pipe_profiles + i;
 
-               rte_sched_pipe_profile_convert(port, src, dst, params->rate);
-               rte_sched_port_log_pipe_profile(port, i);
+               rte_sched_pipe_profile_convert(subport, src, dst, rate);
+               rte_sched_port_log_pipe_profile(subport, i);
        }
 
-       port->pipe_tc3_rate_max = 0;
-       for (i = 0; i < port->n_pipe_profiles; i++) {
+       subport->pipe_tc_be_rate_max = 0;
+       for (i = 0; i < subport->n_pipe_profiles; i++) {
                struct rte_sched_pipe_params *src = params->pipe_profiles + i;
-               uint32_t pipe_tc3_rate = src->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE];
+               uint64_t pipe_tc_be_rate = src->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE];
+
+               if (subport->pipe_tc_be_rate_max < pipe_tc_be_rate)
+                       subport->pipe_tc_be_rate_max = pipe_tc_be_rate;
+       }
+}
+
+static void
+rte_sched_port_config_subport_profile_table(struct rte_sched_port *port,
+       struct rte_sched_port_params *params,
+       uint64_t rate)
+{
+       uint32_t i;
+
+       for (i = 0; i < port->n_subport_profiles; i++) {
+               struct rte_sched_subport_profile_params *src
+                               = params->subport_profiles + i;
+               struct rte_sched_subport_profile *dst
+                               = port->subport_profiles + i;
+
+               rte_sched_subport_profile_convert(src, dst, rate);
+               rte_sched_port_log_subport_profile(port, i);
+       }
+}
+
+static int
+rte_sched_subport_check_params(struct rte_sched_subport_params *params,
+       uint32_t n_max_pipes_per_subport,
+       uint64_t rate)
+{
+       uint32_t i;
+
+       /* Check user parameters */
+       if (params == NULL) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter params\n", __func__);
+               return -EINVAL;
+       }
+
+       /* qsize: if non-zero, power of 2,
+        * no bigger than 32K (due to 16-bit read/write pointers)
+        */
+       for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
+               uint16_t qsize = params->qsize[i];
+
+               if (qsize != 0 && !rte_is_power_of_2(qsize)) {
+                       RTE_LOG(ERR, SCHED,
+                               "%s: Incorrect value for qsize\n", __func__);
+                       return -EINVAL;
+               }
+       }
+
+       if (params->qsize[RTE_SCHED_TRAFFIC_CLASS_BE] == 0) {
+               RTE_LOG(ERR, SCHED, "%s: Incorrect qsize\n", __func__);
+               return -EINVAL;
+       }
+
+       /* n_pipes_per_subport: non-zero, power of 2 */
+       if (params->n_pipes_per_subport_enabled == 0 ||
+               params->n_pipes_per_subport_enabled > n_max_pipes_per_subport ||
+           !rte_is_power_of_2(params->n_pipes_per_subport_enabled)) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for pipes number\n", __func__);
+               return -EINVAL;
+       }
 
-               if (port->pipe_tc3_rate_max < pipe_tc3_rate)
-                       port->pipe_tc3_rate_max = pipe_tc3_rate;
+       /* pipe_profiles and n_pipe_profiles */
+       if (params->pipe_profiles == NULL ||
+           params->n_pipe_profiles == 0 ||
+               params->n_max_pipe_profiles == 0 ||
+               params->n_pipe_profiles > params->n_max_pipe_profiles) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for pipe profiles\n", __func__);
+               return -EINVAL;
        }
+
+       for (i = 0; i < params->n_pipe_profiles; i++) {
+               struct rte_sched_pipe_params *p = params->pipe_profiles + i;
+               int status;
+
+               status = pipe_profile_check(p, rate, &params->qsize[0]);
+               if (status != 0) {
+                       RTE_LOG(ERR, SCHED,
+                               "%s: Pipe profile check failed(%d)\n", __func__, status);
+                       return -EINVAL;
+               }
+       }
+
+       return 0;
+}
+
+uint32_t
+rte_sched_port_get_memory_footprint(struct rte_sched_port_params *port_params,
+       struct rte_sched_subport_params **subport_params)
+{
+       uint32_t size0 = 0, size1 = 0, i;
+       int status;
+
+       status = rte_sched_port_check_params(port_params);
+       if (status != 0) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Port scheduler port params check failed (%d)\n",
+                       __func__, status);
+
+               return 0;
+       }
+
+       for (i = 0; i < port_params->n_subports_per_port; i++) {
+               struct rte_sched_subport_params *sp = subport_params[i];
+
+               status = rte_sched_subport_check_params(sp,
+                               port_params->n_pipes_per_subport,
+                               port_params->rate);
+               if (status != 0) {
+                       RTE_LOG(ERR, SCHED,
+                               "%s: Port scheduler subport params check failed (%d)\n",
+                               __func__, status);
+
+                       return 0;
+               }
+       }
+
+       size0 = sizeof(struct rte_sched_port);
+
+       for (i = 0; i < port_params->n_subports_per_port; i++) {
+               struct rte_sched_subport_params *sp = subport_params[i];
+
+               size1 += rte_sched_subport_get_array_base(sp,
+                                       e_RTE_SCHED_SUBPORT_ARRAY_TOTAL);
+       }
+
+       return size0 + size1;
 }
 
 struct rte_sched_port *
 rte_sched_port_config(struct rte_sched_port_params *params)
 {
        struct rte_sched_port *port = NULL;
-       uint32_t mem_size, bmp_mem_size, n_queues_per_port, i, j, cycles_per_byte;
+       uint32_t size0, size1, size2;
+       uint32_t cycles_per_byte;
+       uint32_t i, j;
+       int status;
 
-       /* Check user parameters. Determine the amount of memory to allocate */
-       mem_size = rte_sched_port_get_memory_footprint(params);
-       if (mem_size == 0)
+       status = rte_sched_port_check_params(params);
+       if (status != 0) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Port scheduler params check failed (%d)\n",
+                       __func__, status);
                return NULL;
+       }
+
+       size0 = sizeof(struct rte_sched_port);
+       size1 = params->n_subports_per_port * sizeof(struct rte_sched_subport *);
+       size2 = params->n_max_subport_profiles *
+               sizeof(struct rte_sched_subport_profile);
 
        /* Allocate memory to store the data structures */
-       port = rte_zmalloc_socket("qos_params", mem_size, RTE_CACHE_LINE_SIZE,
-               params->socket);
-       if (port == NULL)
+       port = rte_zmalloc_socket("qos_params", size0 + size1,
+                                RTE_CACHE_LINE_SIZE, params->socket);
+       if (port == NULL) {
+               RTE_LOG(ERR, SCHED, "%s: Memory allocation fails\n", __func__);
+
                return NULL;
+       }
 
-       /* compile time checks */
-       RTE_BUILD_BUG_ON(RTE_SCHED_PORT_N_GRINDERS == 0);
-       RTE_BUILD_BUG_ON(RTE_SCHED_PORT_N_GRINDERS & (RTE_SCHED_PORT_N_GRINDERS - 1));
+       /* Allocate memory to store the subport profile */
+       port->subport_profiles  = rte_zmalloc_socket("subport_profile", size2,
+                                       RTE_CACHE_LINE_SIZE, params->socket);
+       if (port == NULL) {
+               RTE_LOG(ERR, SCHED, "%s: Memory allocation fails\n", __func__);
+
+               return NULL;
+       }
 
        /* User parameters */
        port->n_subports_per_port = params->n_subports_per_port;
+       port->n_subport_profiles = params->n_subport_profiles;
+       port->n_max_subport_profiles = params->n_max_subport_profiles;
        port->n_pipes_per_subport = params->n_pipes_per_subport;
        port->n_pipes_per_subport_log2 =
                        __builtin_ctz(params->n_pipes_per_subport);
+       port->socket = params->socket;
 
        for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
                port->pipe_queue[i] = i;
@@ -685,115 +995,47 @@ rte_sched_port_config(struct rte_sched_port_params *params)
        port->rate = params->rate;
        port->mtu = params->mtu + params->frame_overhead;
        port->frame_overhead = params->frame_overhead;
-       memcpy(port->qsize, params->qsize, sizeof(params->qsize));
-       port->n_pipe_profiles = params->n_pipe_profiles;
-       port->n_max_pipe_profiles = params->n_max_pipe_profiles;
-
-#ifdef RTE_SCHED_RED
-       for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
-               uint32_t 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) {
-                               continue;
-                       }
-
-                       if (rte_red_config_init(&port->red_config[i][j],
-                               params->red_params[i][j].wq_log2,
-                               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;
-                       }
-               }
-       }
-#endif
 
        /* Timing */
        port->time_cpu_cycles = rte_get_tsc_cycles();
        port->time_cpu_bytes = 0;
        port->time = 0;
 
+       /* Subport profile table */
+       rte_sched_port_config_subport_profile_table(port, params, port->rate);
+
        cycles_per_byte = (rte_get_tsc_hz() << RTE_SCHED_TIME_SHIFT)
                / params->rate;
        port->inv_cycles_per_byte = rte_reciprocal_value(cycles_per_byte);
-
-       /* Scheduling loop detection */
-       port->pipe_loop = RTE_SCHED_PIPE_INVALID;
-       port->pipe_exhaustion = 0;
+       port->cycles_per_byte = cycles_per_byte;
 
        /* Grinders */
-       port->busy_grinders = 0;
        port->pkts_out = NULL;
        port->n_pkts_out = 0;
-
-       /* Queue base calculation */
-       rte_sched_port_config_qsize(port);
-
-       /* Large data structures */
-       port->subport = (struct rte_sched_subport *)
-               (port->memory + rte_sched_port_get_array_base(params,
-                                                             e_RTE_SCHED_PORT_ARRAY_SUBPORT));
-       port->pipe = (struct rte_sched_pipe *)
-               (port->memory + rte_sched_port_get_array_base(params,
-                                                             e_RTE_SCHED_PORT_ARRAY_PIPE));
-       port->queue = (struct rte_sched_queue *)
-               (port->memory + rte_sched_port_get_array_base(params,
-                                                             e_RTE_SCHED_PORT_ARRAY_QUEUE));
-       port->queue_extra = (struct rte_sched_queue_extra *)
-               (port->memory + rte_sched_port_get_array_base(params,
-                                                             e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA));
-       port->pipe_profiles = (struct rte_sched_pipe_profile *)
-               (port->memory + rte_sched_port_get_array_base(params,
-                                                             e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES));
-       port->bmp_array =  port->memory
-               + rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY);
-       port->queue_array = (struct rte_mbuf **)
-               (port->memory + rte_sched_port_get_array_base(params,
-                                                             e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY));
-
-       /* Pipe profile table */
-       rte_sched_port_config_pipe_profile_table(port, params);
-
-       /* Bitmap */
-       n_queues_per_port = rte_sched_port_queues_per_port(port);
-       bmp_mem_size = rte_bitmap_get_memory_footprint(n_queues_per_port);
-       port->bmp = rte_bitmap_init(n_queues_per_port, port->bmp_array,
-                                   bmp_mem_size);
-       if (port->bmp == NULL) {
-               RTE_LOG(ERR, SCHED, "Bitmap init error\n");
-               rte_free(port);
-               return NULL;
-       }
-
-       for (i = 0; i < RTE_SCHED_PORT_N_GRINDERS; i++)
-               port->grinder_base_bmp_pos[i] = RTE_SCHED_PIPE_INVALID;
-
+       port->subport_id = 0;
 
        return port;
 }
 
-void
-rte_sched_port_free(struct rte_sched_port *port)
+static inline void
+rte_sched_subport_free(struct rte_sched_port *port,
+       struct rte_sched_subport *subport)
 {
+       uint32_t n_subport_pipe_queues;
        uint32_t qindex;
-       uint32_t n_queues_per_port;
 
-       /* Check user parameters */
-       if (port == NULL)
+       if (subport == NULL)
                return;
 
-       n_queues_per_port = rte_sched_port_queues_per_port(port);
+       n_subport_pipe_queues = rte_sched_subport_pipe_queues(subport);
 
        /* Free enqueued mbufs */
-       for (qindex = 0; qindex < n_queues_per_port; qindex++) {
-               struct rte_mbuf **mbufs = rte_sched_port_qbase(port, qindex);
-               uint16_t qsize = rte_sched_port_qsize(port, qindex);
+       for (qindex = 0; qindex < n_subport_pipe_queues; qindex++) {
+               struct rte_mbuf **mbufs =
+                       rte_sched_subport_pipe_qbase(subport, qindex);
+               uint16_t qsize = rte_sched_subport_pipe_qsize(port, subport, qindex);
                if (qsize != 0) {
-                       struct rte_sched_queue *queue = port->queue + qindex;
+                       struct rte_sched_queue *queue = subport->queue + qindex;
                        uint16_t qr = queue->qr & (qsize - 1);
                        uint16_t qw = queue->qw & (qsize - 1);
 
@@ -802,127 +1044,245 @@ rte_sched_port_free(struct rte_sched_port *port)
                }
        }
 
-       rte_bitmap_free(port->bmp);
+       rte_free(subport);
+}
+
+void
+rte_sched_port_free(struct rte_sched_port *port)
+{
+       uint32_t i;
+
+       /* Check user parameters */
+       if (port == NULL)
+               return;
+
+       for (i = 0; i < port->n_subports_per_port; i++)
+               rte_sched_subport_free(port, port->subports[i]);
+
+       rte_free(port->subport_profiles);
        rte_free(port);
 }
 
 static void
-rte_sched_port_log_subport_config(struct rte_sched_port *port, uint32_t i)
+rte_sched_free_memory(struct rte_sched_port *port, uint32_t n_subports)
 {
-       struct rte_sched_subport *s = port->subport + i;
+       uint32_t i;
 
-       RTE_LOG(DEBUG, SCHED, "Low level config for subport %u:\n"
-               "       Token bucket: period = %u, credits per period = %u, size = %u\n"
-               "       Traffic classes: period = %u\n"
-               "       credits per period = [%u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u, %u]\n"
-               "       Best effort traffic class oversubscription: wm min = %u, wm max = %u\n",
-               i,
+       for (i = 0; i < n_subports; i++) {
+               struct rte_sched_subport *subport = port->subports[i];
 
-               /* Token bucket */
-               s->tb_period,
-               s->tb_credits_per_period,
-               s->tb_size,
+               rte_sched_subport_free(port, subport);
+       }
 
-               /* Traffic classes */
-               s->tc_period,
-               s->tc_credits_per_period[0],
-               s->tc_credits_per_period[1],
-               s->tc_credits_per_period[2],
-               s->tc_credits_per_period[3],
-               s->tc_credits_per_period[4],
-               s->tc_credits_per_period[5],
-               s->tc_credits_per_period[6],
-               s->tc_credits_per_period[7],
-               s->tc_credits_per_period[8],
-               s->tc_credits_per_period[9],
-               s->tc_credits_per_period[10],
-               s->tc_credits_per_period[11],
-               s->tc_credits_per_period[12],
-
-               /* Traffic class 3 oversubscription */
-               s->tc_ov_wm_min,
-               s->tc_ov_wm_max);
+       rte_free(port->subport_profiles);
+       rte_free(port);
 }
 
 int
 rte_sched_subport_config(struct rte_sched_port *port,
        uint32_t subport_id,
-       struct rte_sched_subport_params *params)
+       struct rte_sched_subport_params *params,
+       uint32_t subport_profile_id)
 {
-       struct rte_sched_subport *s;
-       uint32_t i;
+       struct rte_sched_subport *s = NULL;
+       uint32_t n_subports = subport_id;
+       struct rte_sched_subport_profile *profile;
+       uint32_t n_subport_pipe_queues, i;
+       uint32_t size0, size1, bmp_mem_size;
+       int status;
 
        /* Check user parameters */
-       if (port == NULL ||
-           subport_id >= port->n_subports_per_port ||
-           params == NULL)
-               return -1;
-
-       if (params->tb_rate == 0 || params->tb_rate > port->rate)
-               return -2;
+       if (port == NULL) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter port\n", __func__);
+               return 0;
+       }
 
-       if (params->tb_size == 0)
-               return -3;
+       if (subport_id >= port->n_subports_per_port) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for subport id\n", __func__);
 
-       for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
-               uint32_t tc_rate = params->tc_rate[i];
-               uint16_t qsize = port->qsize[i];
+               rte_sched_free_memory(port, n_subports);
+               return -EINVAL;
+       }
 
-               if ((qsize == 0 && tc_rate != 0) ||
-                       (qsize != 0 && tc_rate == 0) ||
-                       (tc_rate > params->tb_rate))
-                       return -4;
+       if (subport_profile_id >= port->n_max_subport_profiles) {
+               RTE_LOG(ERR, SCHED, "%s: "
+                       "Number of subport profile exceeds the max limit\n",
+                       __func__);
+               rte_sched_free_memory(port, n_subports);
+               return -EINVAL;
        }
 
-       if (port->qsize[RTE_SCHED_TRAFFIC_CLASS_BE] == 0 ||
-               params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE] == 0)
-               return -4;
+       /** Memory is allocated only on first invocation of the api for a
+        * given subport. Subsequent invocation on same subport will just
+        * update subport bandwidth parameter.
+        **/
+       if (port->subports[subport_id] == NULL) {
+
+               status = rte_sched_subport_check_params(params,
+                       port->n_pipes_per_subport,
+                       port->rate);
+               if (status != 0) {
+                       RTE_LOG(NOTICE, SCHED,
+                               "%s: Port scheduler params check failed (%d)\n",
+                               __func__, status);
+
+                       rte_sched_free_memory(port, n_subports);
+                       return -EINVAL;
+               }
 
-       if (params->tc_period == 0)
-               return -5;
+               /* Determine the amount of memory to allocate */
+               size0 = sizeof(struct rte_sched_subport);
+               size1 = rte_sched_subport_get_array_base(params,
+                                       e_RTE_SCHED_SUBPORT_ARRAY_TOTAL);
 
-       s = port->subport + subport_id;
+               /* Allocate memory to store the data structures */
+               s = rte_zmalloc_socket("subport_params", size0 + size1,
+                       RTE_CACHE_LINE_SIZE, port->socket);
+               if (s == NULL) {
+                       RTE_LOG(ERR, SCHED,
+                               "%s: Memory allocation fails\n", __func__);
 
-       /* Token Bucket (TB) */
-       if (params->tb_rate == port->rate) {
-               s->tb_credits_per_period = 1;
-               s->tb_period = 1;
-       } else {
-               double tb_rate = ((double) params->tb_rate) / ((double) port->rate);
-               double d = RTE_SCHED_TB_RATE_CONFIG_ERR;
+                       rte_sched_free_memory(port, n_subports);
+                       return -ENOMEM;
+               }
 
-               rte_approx(tb_rate, d, &s->tb_credits_per_period, &s->tb_period);
-       }
+               n_subports++;
 
-       s->tb_size = params->tb_size;
-       s->tb_time = port->time;
-       s->tb_credits = s->tb_size / 2;
+               subport_profile_id = 0;
 
-       /* Traffic Classes (TCs) */
-       s->tc_period = rte_sched_time_ms_to_bytes(params->tc_period, port->rate);
-       for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
-               if (port->qsize[i])
-                       s->tc_credits_per_period[i]
-                               = rte_sched_time_ms_to_bytes(params->tc_period,
-                                                                params->tc_rate[i]);
+               /* Port */
+               port->subports[subport_id] = s;
+
+               s->tb_time = port->time;
 
+               /* compile time checks */
+               RTE_BUILD_BUG_ON(RTE_SCHED_PORT_N_GRINDERS == 0);
+               RTE_BUILD_BUG_ON(RTE_SCHED_PORT_N_GRINDERS &
+                       (RTE_SCHED_PORT_N_GRINDERS - 1));
+
+               /* User parameters */
+               s->n_pipes_per_subport_enabled =
+                               params->n_pipes_per_subport_enabled;
+               memcpy(s->qsize, params->qsize, sizeof(params->qsize));
+               s->n_pipe_profiles = params->n_pipe_profiles;
+               s->n_max_pipe_profiles = params->n_max_pipe_profiles;
+
+#ifdef RTE_SCHED_RED
+               for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
+                       uint32_t 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) {
+                                       continue;
+                               }
+
+                               if (rte_red_config_init(&s->red_config[i][j],
+                                   params->red_params[i][j].wq_log2,
+                                   params->red_params[i][j].min_th,
+                                   params->red_params[i][j].max_th,
+                                   params->red_params[i][j].maxp_inv) != 0) {
+                                       rte_sched_free_memory(port, n_subports);
+
+                                       RTE_LOG(NOTICE, SCHED,
+                                       "%s: RED configuration init fails\n",
+                                       __func__);
+                                       return -EINVAL;
+                               }
+                       }
+               }
+#endif
+
+               /* Scheduling loop detection */
+               s->pipe_loop = RTE_SCHED_PIPE_INVALID;
+               s->pipe_exhaustion = 0;
+
+               /* Grinders */
+               s->busy_grinders = 0;
+
+               /* Queue base calculation */
+               rte_sched_subport_config_qsize(s);
+
+               /* Large data structures */
+               s->pipe = (struct rte_sched_pipe *)
+                       (s->memory + rte_sched_subport_get_array_base(params,
+                       e_RTE_SCHED_SUBPORT_ARRAY_PIPE));
+               s->queue = (struct rte_sched_queue *)
+                       (s->memory + rte_sched_subport_get_array_base(params,
+                       e_RTE_SCHED_SUBPORT_ARRAY_QUEUE));
+               s->queue_extra = (struct rte_sched_queue_extra *)
+                       (s->memory + rte_sched_subport_get_array_base(params,
+                       e_RTE_SCHED_SUBPORT_ARRAY_QUEUE_EXTRA));
+               s->pipe_profiles = (struct rte_sched_pipe_profile *)
+                       (s->memory + rte_sched_subport_get_array_base(params,
+                       e_RTE_SCHED_SUBPORT_ARRAY_PIPE_PROFILES));
+               s->bmp_array =  s->memory + rte_sched_subport_get_array_base(
+                               params, e_RTE_SCHED_SUBPORT_ARRAY_BMP_ARRAY);
+               s->queue_array = (struct rte_mbuf **)
+                       (s->memory + rte_sched_subport_get_array_base(params,
+                       e_RTE_SCHED_SUBPORT_ARRAY_QUEUE_ARRAY));
+
+               /* Pipe profile table */
+               rte_sched_subport_config_pipe_profile_table(s, params,
+                                                           port->rate);
+
+               /* Bitmap */
+               n_subport_pipe_queues = rte_sched_subport_pipe_queues(s);
+               bmp_mem_size = rte_bitmap_get_memory_footprint(
+                                               n_subport_pipe_queues);
+               s->bmp = rte_bitmap_init(n_subport_pipe_queues, s->bmp_array,
+                                       bmp_mem_size);
+               if (s->bmp == NULL) {
+                       RTE_LOG(ERR, SCHED,
+                               "%s: Subport bitmap init error\n", __func__);
+
+                       rte_sched_free_memory(port, n_subports);
+                       return -EINVAL;
+               }
+
+               for (i = 0; i < RTE_SCHED_PORT_N_GRINDERS; i++)
+                       s->grinder_base_bmp_pos[i] = RTE_SCHED_PIPE_INVALID;
+
+#ifdef RTE_SCHED_SUBPORT_TC_OV
+               /* TC oversubscription */
+               s->tc_ov_wm_min = port->mtu;
+               s->tc_ov_wm = s->tc_ov_wm_max;
+               s->tc_ov_period_id = 0;
+               s->tc_ov = 0;
+               s->tc_ov_n = 0;
+               s->tc_ov_rate = 0;
+#endif
        }
-       s->tc_time = port->time + s->tc_period;
-       for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
-               if (port->qsize[i])
-                       s->tc_credits[i] = s->tc_credits_per_period[i];
 
-       /* TC oversubscription */
-       s->tc_ov_wm_min = port->mtu;
-       s->tc_ov_wm_max = rte_sched_time_ms_to_bytes(params->tc_period,
-                                                    port->pipe_tc3_rate_max);
-       s->tc_ov_wm = s->tc_ov_wm_max;
-       s->tc_ov_period_id = 0;
-       s->tc_ov = 0;
-       s->tc_ov_n = 0;
-       s->tc_ov_rate = 0;
+       {
+       /* update subport parameters from subport profile table*/
+               profile = port->subport_profiles + subport_profile_id;
 
-       rte_sched_port_log_subport_config(port, subport_id);
+               s = port->subports[subport_id];
+
+               s->tb_credits = profile->tb_size / 2;
+
+               s->tc_time = port->time + profile->tc_period;
+
+               for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
+                       if (s->qsize[i])
+                               s->tc_credits[i] =
+                                       profile->tc_credits_per_period[i];
+                       else
+                               profile->tc_credits_per_period[i] = 0;
+
+#ifdef RTE_SCHED_SUBPORT_TC_OV
+               s->tc_ov_wm_max = rte_sched_time_ms_to_bytes(profile->tc_period,
+                                                       s->pipe_tc_be_rate_max);
+#endif
+               s->profile = subport_profile_id;
+
+       }
+
+       rte_sched_port_log_subport_profile(port, subport_profile_id);
 
        return 0;
 }
@@ -934,49 +1294,70 @@ rte_sched_pipe_config(struct rte_sched_port *port,
        int32_t pipe_profile)
 {
        struct rte_sched_subport *s;
+       struct rte_sched_subport_profile *sp;
        struct rte_sched_pipe *p;
        struct rte_sched_pipe_profile *params;
+       uint32_t n_subports = subport_id + 1;
        uint32_t deactivate, profile, i;
 
        /* Check user parameters */
        profile = (uint32_t) pipe_profile;
        deactivate = (pipe_profile < 0);
 
-       if (port == NULL ||
-           subport_id >= port->n_subports_per_port ||
-           pipe_id >= port->n_pipes_per_subport ||
-           (!deactivate && profile >= port->n_pipe_profiles))
-               return -1;
+       if (port == NULL) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter port\n", __func__);
+               return -EINVAL;
+       }
 
+       if (subport_id >= port->n_subports_per_port) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter subport id\n", __func__);
 
-       /* Check that subport configuration is valid */
-       s = port->subport + subport_id;
-       if (s->tb_period == 0)
-               return -2;
+               rte_sched_free_memory(port, n_subports);
+               return -EINVAL;
+       }
 
-       p = port->pipe + (subport_id * port->n_pipes_per_subport + pipe_id);
+       s = port->subports[subport_id];
+       if (pipe_id >= s->n_pipes_per_subport_enabled) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter pipe id\n", __func__);
 
+               rte_sched_free_memory(port, n_subports);
+               return -EINVAL;
+       }
+
+       if (!deactivate && profile >= s->n_pipe_profiles) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter pipe profile\n", __func__);
+
+               rte_sched_free_memory(port, n_subports);
+               return -EINVAL;
+       }
+
+       sp = port->subport_profiles + s->profile;
        /* Handle the case when pipe already has a valid configuration */
+       p = s->pipe + pipe_id;
        if (p->tb_time) {
-               params = port->pipe_profiles + p->profile;
+               params = s->pipe_profiles + p->profile;
 
-               double subport_tc3_rate =
-                       (double) s->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
-                       / (double) s->tc_period;
-               double pipe_tc3_rate =
+               double subport_tc_be_rate =
+               (double)sp->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
+                       / (double) sp->tc_period;
+               double pipe_tc_be_rate =
                        (double) params->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
                        / (double) params->tc_period;
-               uint32_t tc3_ov = s->tc_ov;
+               uint32_t tc_be_ov = s->tc_ov;
 
                /* Unplug pipe from its subport */
                s->tc_ov_n -= params->tc_ov_weight;
-               s->tc_ov_rate -= pipe_tc3_rate;
-               s->tc_ov = s->tc_ov_rate > subport_tc3_rate;
+               s->tc_ov_rate -= pipe_tc_be_rate;
+               s->tc_ov = s->tc_ov_rate > subport_tc_be_rate;
 
-               if (s->tc_ov != tc3_ov) {
+               if (s->tc_ov != tc_be_ov) {
                        RTE_LOG(DEBUG, SCHED,
-                               "Subport %u TC3 oversubscription is OFF (%.4lf >= %.4lf)\n",
-                               subport_id, subport_tc3_rate, s->tc_ov_rate);
+                               "Subport %u Best-effort TC oversubscription is OFF (%.4lf >= %.4lf)\n",
+                               subport_id, subport_tc_be_rate, s->tc_ov_rate);
                }
 
                /* Reset the pipe */
@@ -988,7 +1369,7 @@ rte_sched_pipe_config(struct rte_sched_port *port,
 
        /* Apply the new pipe configuration */
        p->profile = profile;
-       params = port->pipe_profiles + p->profile;
+       params = s->pipe_profiles + p->profile;
 
        /* Token Bucket (TB) */
        p->tb_time = port->time;
@@ -998,27 +1379,27 @@ rte_sched_pipe_config(struct rte_sched_port *port,
        p->tc_time = port->time + params->tc_period;
 
        for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
-               if (port->qsize[i])
+               if (s->qsize[i])
                        p->tc_credits[i] = params->tc_credits_per_period[i];
 
        {
-               /* Subport TC3 oversubscription */
-               double subport_tc3_rate =
-                       (double) s->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
-                       / (double) s->tc_period;
-               double pipe_tc3_rate =
+               /* Subport best effort tc oversubscription */
+               double subport_tc_be_rate =
+               (double)sp->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
+                       / (double) sp->tc_period;
+               double pipe_tc_be_rate =
                        (double) params->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
                        / (double) params->tc_period;
-               uint32_t tc3_ov = s->tc_ov;
+               uint32_t tc_be_ov = s->tc_ov;
 
                s->tc_ov_n += params->tc_ov_weight;
-               s->tc_ov_rate += pipe_tc3_rate;
-               s->tc_ov = s->tc_ov_rate > subport_tc3_rate;
+               s->tc_ov_rate += pipe_tc_be_rate;
+               s->tc_ov = s->tc_ov_rate > subport_tc_be_rate;
 
-               if (s->tc_ov != tc3_ov) {
+               if (s->tc_ov != tc_be_ov) {
                        RTE_LOG(DEBUG, SCHED,
-                               "Subport %u TC3 oversubscription is ON (%.4lf < %.4lf)\n",
-                               subport_id, subport_tc3_rate, s->tc_ov_rate);
+                               "Subport %u Best effort TC oversubscription is ON (%.4lf < %.4lf)\n",
+                               subport_id, subport_tc_be_rate, s->tc_ov_rate);
                }
                p->tc_ov_period_id = s->tc_ov_period_id;
                p->tc_ov_credits = s->tc_ov_wm;
@@ -1028,43 +1409,132 @@ rte_sched_pipe_config(struct rte_sched_port *port,
 }
 
 int
-rte_sched_port_pipe_profile_add(struct rte_sched_port *port,
+rte_sched_subport_pipe_profile_add(struct rte_sched_port *port,
+       uint32_t subport_id,
        struct rte_sched_pipe_params *params,
        uint32_t *pipe_profile_id)
 {
+       struct rte_sched_subport *s;
        struct rte_sched_pipe_profile *pp;
        uint32_t i;
        int status;
 
        /* Port */
-       if (port == NULL)
-               return -1;
+       if (port == NULL) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter port\n", __func__);
+               return -EINVAL;
+       }
+
+       /* Subport id not exceeds the max limit */
+       if (subport_id > port->n_subports_per_port) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for subport id\n", __func__);
+               return -EINVAL;
+       }
 
-       /* Pipe profiles not exceeds the max limit */
-       if (port->n_pipe_profiles >= port->n_max_pipe_profiles)
-               return -2;
+       s = port->subports[subport_id];
+
+       /* Pipe profiles exceeds the max limit */
+       if (s->n_pipe_profiles >= s->n_max_pipe_profiles) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Number of pipe profiles exceeds the max limit\n", __func__);
+               return -EINVAL;
+       }
 
        /* Pipe params */
-       status = pipe_profile_check(params, port->rate, &port->qsize[0]);
-       if (status != 0)
-               return status;
+       status = pipe_profile_check(params, port->rate, &s->qsize[0]);
+       if (status != 0) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Pipe profile check failed(%d)\n", __func__, status);
+               return -EINVAL;
+       }
 
-       pp = &port->pipe_profiles[port->n_pipe_profiles];
-       rte_sched_pipe_profile_convert(port, params, pp, port->rate);
+       pp = &s->pipe_profiles[s->n_pipe_profiles];
+       rte_sched_pipe_profile_convert(s, 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 should not exists */
+       for (i = 0; i < s->n_pipe_profiles; i++)
+               if (memcmp(s->pipe_profiles + i, pp, sizeof(*pp)) == 0) {
+                       RTE_LOG(ERR, SCHED,
+                               "%s: Pipe profile exists\n", __func__);
+                       return -EINVAL;
+               }
 
        /* Pipe profile commit */
-       *pipe_profile_id = port->n_pipe_profiles;
-       port->n_pipe_profiles++;
+       *pipe_profile_id = s->n_pipe_profiles;
+       s->n_pipe_profiles++;
 
-       if (port->pipe_tc3_rate_max < params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE])
-               port->pipe_tc3_rate_max = params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE];
+       if (s->pipe_tc_be_rate_max < params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE])
+               s->pipe_tc_be_rate_max = params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE];
 
-       rte_sched_port_log_pipe_profile(port, *pipe_profile_id);
+       rte_sched_port_log_pipe_profile(s, *pipe_profile_id);
+
+       return 0;
+}
+
+int
+rte_sched_port_subport_profile_add(struct rte_sched_port *port,
+       struct rte_sched_subport_profile_params *params,
+       uint32_t *subport_profile_id)
+{
+       int status;
+       uint32_t i;
+       struct rte_sched_subport_profile *dst;
+
+       /* Port */
+       if (port == NULL) {
+               RTE_LOG(ERR, SCHED, "%s: "
+               "Incorrect value for parameter port\n", __func__);
+               return -EINVAL;
+       }
+
+       if (params == NULL) {
+               RTE_LOG(ERR, SCHED, "%s: "
+               "Incorrect value for parameter profile\n", __func__);
+               return -EINVAL;
+       }
+
+       if (subport_profile_id == NULL) {
+               RTE_LOG(ERR, SCHED, "%s: "
+               "Incorrect value for parameter subport_profile_id\n",
+               __func__);
+               return -EINVAL;
+       }
+
+       dst = port->subport_profiles + port->n_subport_profiles;
+
+       /* Subport profiles exceeds the max limit */
+       if (port->n_subport_profiles >= port->n_max_subport_profiles) {
+               RTE_LOG(ERR, SCHED, "%s: "
+               "Number of subport profiles exceeds the max limit\n",
+                __func__);
+               return -EINVAL;
+       }
+
+       status = subport_profile_check(params, port->rate);
+       if (status != 0) {
+               RTE_LOG(ERR, SCHED,
+               "%s: subport profile check failed(%d)\n", __func__, status);
+               return -EINVAL;
+       }
+
+       rte_sched_subport_profile_convert(params, dst, port->rate);
+
+       /* Subport profile should not exists */
+       for (i = 0; i < port->n_subport_profiles; i++)
+               if (memcmp(port->subport_profiles + i,
+                   dst, sizeof(*dst)) == 0) {
+                       RTE_LOG(ERR, SCHED,
+                       "%s: subport profile exists\n", __func__);
+                       return -EINVAL;
+               }
+
+       /* Subport profile commit */
+       *subport_profile_id = port->n_subport_profiles;
+       port->n_subport_profiles++;
+
+       rte_sched_port_log_subport_profile(port, *subport_profile_id);
 
        return 0;
 }
@@ -1077,10 +1547,11 @@ rte_sched_port_qindex(struct rte_sched_port *port,
        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) |
-                       ((rte_sched_port_pipe_queue(port, traffic_class) + queue) &
-                       (RTE_SCHED_QUEUES_PER_PIPE - 1));
+               (port->n_pipes_per_subport_log2 + 4)) |
+               ((pipe &
+               (port->subports[subport]->n_pipes_per_subport_enabled - 1)) << 4) |
+               ((rte_sched_port_pipe_queue(port, traffic_class) + queue) &
+               (RTE_SCHED_QUEUES_PER_PIPE - 1));
 }
 
 void
@@ -1105,7 +1576,8 @@ rte_sched_port_pkt_read_tree_path(struct rte_sched_port *port,
        uint32_t queue_id = rte_mbuf_sched_queue_get(pkt);
 
        *subport = queue_id >> (port->n_pipes_per_subport_log2 + 4);
-       *pipe = (queue_id >> 4) & (port->n_pipes_per_subport - 1);
+       *pipe = (queue_id >> 4) &
+               (port->subports[*subport]->n_pipes_per_subport_enabled - 1);
        *traffic_class = rte_sched_port_pipe_tc(port, queue_id);
        *queue = rte_sched_port_tc_queue(port, queue_id);
 }
@@ -1125,11 +1597,31 @@ rte_sched_subport_read_stats(struct rte_sched_port *port,
        struct rte_sched_subport *s;
 
        /* Check user parameters */
-       if (port == NULL || subport_id >= port->n_subports_per_port ||
-           stats == NULL || tc_ov == NULL)
-               return -1;
+       if (port == NULL) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter port\n", __func__);
+               return -EINVAL;
+       }
+
+       if (subport_id >= port->n_subports_per_port) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for subport id\n", __func__);
+               return -EINVAL;
+       }
+
+       if (stats == NULL) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter stats\n", __func__);
+               return -EINVAL;
+       }
+
+       if (tc_ov == NULL) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for tc_ov\n", __func__);
+               return -EINVAL;
+       }
 
-       s = port->subport + subport_id;
+       s = port->subports[subport_id];
 
        /* Copy subport stats and clear */
        memcpy(stats, &s->stats, sizeof(struct rte_sched_subport_stats));
@@ -1147,18 +1639,42 @@ rte_sched_queue_read_stats(struct rte_sched_port *port,
        struct rte_sched_queue_stats *stats,
        uint16_t *qlen)
 {
+       struct rte_sched_subport *s;
        struct rte_sched_queue *q;
        struct rte_sched_queue_extra *qe;
+       uint32_t subport_id, subport_qmask, subport_qindex;
 
        /* Check user parameters */
-       if ((port == NULL) ||
-           (queue_id >= rte_sched_port_queues_per_port(port)) ||
-               (stats == NULL) ||
-               (qlen == NULL)) {
-               return -1;
+       if (port == NULL) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter port\n", __func__);
+               return -EINVAL;
+       }
+
+       if (queue_id >= rte_sched_port_queues_per_port(port)) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for queue id\n", __func__);
+               return -EINVAL;
+       }
+
+       if (stats == NULL) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter stats\n", __func__);
+               return -EINVAL;
+       }
+
+       if (qlen == NULL) {
+               RTE_LOG(ERR, SCHED,
+                       "%s: Incorrect value for parameter qlen\n", __func__);
+               return -EINVAL;
        }
-       q = port->queue + queue_id;
-       qe = port->queue_extra + queue_id;
+       subport_qmask = port->n_pipes_per_subport_log2 + 4;
+       subport_id = (queue_id >> subport_qmask) & (port->n_subports_per_port - 1);
+
+       s = port->subports[subport_id];
+       subport_qindex = ((1 << subport_qmask) - 1) & queue_id;
+       q = s->queue + subport_qindex;
+       qe = s->queue_extra + subport_qindex;
 
        /* Copy queue stats and clear */
        memcpy(stats, &qe->stats, sizeof(struct rte_sched_queue_stats));
@@ -1173,9 +1689,10 @@ rte_sched_queue_read_stats(struct rte_sched_port *port,
 #ifdef RTE_SCHED_DEBUG
 
 static inline int
-rte_sched_port_queue_is_empty(struct rte_sched_port *port, uint32_t qindex)
+rte_sched_port_queue_is_empty(struct rte_sched_subport *subport,
+       uint32_t qindex)
 {
-       struct rte_sched_queue *queue = port->queue + qindex;
+       struct rte_sched_queue *queue = subport->queue + qindex;
 
        return queue->qr == queue->qw;
 }
@@ -1185,43 +1702,50 @@ rte_sched_port_queue_is_empty(struct rte_sched_port *port, uint32_t qindex)
 #ifdef RTE_SCHED_COLLECT_STATS
 
 static inline void
-rte_sched_port_update_subport_stats(struct rte_sched_port *port, uint32_t qindex, struct rte_mbuf *pkt)
+rte_sched_port_update_subport_stats(struct rte_sched_port *port,
+       struct rte_sched_subport *subport,
+       uint32_t qindex,
+       struct rte_mbuf *pkt)
 {
-       struct rte_sched_subport *s = port->subport + (qindex / rte_sched_port_queues_per_subport(port));
        uint32_t tc_index = rte_sched_port_pipe_tc(port, qindex);
        uint32_t pkt_len = pkt->pkt_len;
 
-       s->stats.n_pkts_tc[tc_index] += 1;
-       s->stats.n_bytes_tc[tc_index] += pkt_len;
+       subport->stats.n_pkts_tc[tc_index] += 1;
+       subport->stats.n_bytes_tc[tc_index] += pkt_len;
 }
 
 #ifdef RTE_SCHED_RED
 static inline void
 rte_sched_port_update_subport_stats_on_drop(struct rte_sched_port *port,
-                                               uint32_t qindex,
-                                               struct rte_mbuf *pkt, uint32_t red)
+       struct rte_sched_subport *subport,
+       uint32_t qindex,
+       struct rte_mbuf *pkt,
+       uint32_t red)
 #else
 static inline void
 rte_sched_port_update_subport_stats_on_drop(struct rte_sched_port *port,
-                                               uint32_t qindex,
-                                               struct rte_mbuf *pkt, __rte_unused uint32_t red)
+       struct rte_sched_subport *subport,
+       uint32_t qindex,
+       struct rte_mbuf *pkt,
+       __rte_unused uint32_t red)
 #endif
 {
-       struct rte_sched_subport *s = port->subport + (qindex / rte_sched_port_queues_per_subport(port));
        uint32_t tc_index = rte_sched_port_pipe_tc(port, qindex);
        uint32_t pkt_len = pkt->pkt_len;
 
-       s->stats.n_pkts_tc_dropped[tc_index] += 1;
-       s->stats.n_bytes_tc_dropped[tc_index] += pkt_len;
+       subport->stats.n_pkts_tc_dropped[tc_index] += 1;
+       subport->stats.n_bytes_tc_dropped[tc_index] += pkt_len;
 #ifdef RTE_SCHED_RED
-       s->stats.n_pkts_red_dropped[tc_index] += red;
+       subport->stats.n_pkts_red_dropped[tc_index] += red;
 #endif
 }
 
 static inline void
-rte_sched_port_update_queue_stats(struct rte_sched_port *port, uint32_t qindex, struct rte_mbuf *pkt)
+rte_sched_port_update_queue_stats(struct rte_sched_subport *subport,
+       uint32_t qindex,
+       struct rte_mbuf *pkt)
 {
-       struct rte_sched_queue_extra *qe = port->queue_extra + qindex;
+       struct rte_sched_queue_extra *qe = subport->queue_extra + qindex;
        uint32_t pkt_len = pkt->pkt_len;
 
        qe->stats.n_pkts += 1;
@@ -1230,17 +1754,19 @@ rte_sched_port_update_queue_stats(struct rte_sched_port *port, uint32_t qindex,
 
 #ifdef RTE_SCHED_RED
 static inline void
-rte_sched_port_update_queue_stats_on_drop(struct rte_sched_port *port,
-                                               uint32_t qindex,
-                                               struct rte_mbuf *pkt, uint32_t red)
+rte_sched_port_update_queue_stats_on_drop(struct rte_sched_subport *subport,
+       uint32_t qindex,
+       struct rte_mbuf *pkt,
+       uint32_t red)
 #else
 static inline void
-rte_sched_port_update_queue_stats_on_drop(struct rte_sched_port *port,
-                                               uint32_t qindex,
-                                               struct rte_mbuf *pkt, __rte_unused uint32_t red)
+rte_sched_port_update_queue_stats_on_drop(struct rte_sched_subport *subport,
+       uint32_t qindex,
+       struct rte_mbuf *pkt,
+       __rte_unused uint32_t red)
 #endif
 {
-       struct rte_sched_queue_extra *qe = port->queue_extra + qindex;
+       struct rte_sched_queue_extra *qe = subport->queue_extra + qindex;
        uint32_t pkt_len = pkt->pkt_len;
 
        qe->stats.n_pkts_dropped += 1;
@@ -1255,7 +1781,11 @@ rte_sched_port_update_queue_stats_on_drop(struct rte_sched_port *port,
 #ifdef RTE_SCHED_RED
 
 static inline int
-rte_sched_port_red_drop(struct rte_sched_port *port, struct rte_mbuf *pkt, uint32_t qindex, uint16_t qlen)
+rte_sched_port_red_drop(struct rte_sched_port *port,
+       struct rte_sched_subport *subport,
+       struct rte_mbuf *pkt,
+       uint32_t qindex,
+       uint16_t qlen)
 {
        struct rte_sched_queue_extra *qe;
        struct rte_red_config *red_cfg;
@@ -1265,21 +1795,22 @@ rte_sched_port_red_drop(struct rte_sched_port *port, struct rte_mbuf *pkt, uint3
 
        tc_index = rte_sched_port_pipe_tc(port, qindex);
        color = rte_sched_port_pkt_read_color(pkt);
-       red_cfg = &port->red_config[tc_index][color];
+       red_cfg = &subport->red_config[tc_index][color];
 
        if ((red_cfg->min_th | red_cfg->max_th) == 0)
                return 0;
 
-       qe = port->queue_extra + qindex;
+       qe = subport->queue_extra + qindex;
        red = &qe->red;
 
        return rte_red_enqueue(red_cfg, red, qlen, port->time);
 }
 
 static inline void
-rte_sched_port_set_queue_empty_timestamp(struct rte_sched_port *port, uint32_t qindex)
+rte_sched_port_set_queue_empty_timestamp(struct rte_sched_port *port,
+       struct rte_sched_subport *subport, uint32_t qindex)
 {
-       struct rte_sched_queue_extra *qe = port->queue_extra + qindex;
+       struct rte_sched_queue_extra *qe = subport->queue_extra + qindex;
        struct rte_red *red = &qe->red;
 
        rte_red_mark_queue_empty(red, port->time);
@@ -1287,16 +1818,23 @@ rte_sched_port_set_queue_empty_timestamp(struct rte_sched_port *port, uint32_t q
 
 #else
 
-#define rte_sched_port_red_drop(port, pkt, qindex, qlen)             0
+static inline int rte_sched_port_red_drop(struct rte_sched_port *port __rte_unused,
+       struct rte_sched_subport *subport __rte_unused,
+       struct rte_mbuf *pkt __rte_unused,
+       uint32_t qindex __rte_unused,
+       uint16_t qlen __rte_unused)
+{
+       return 0;
+}
 
-#define rte_sched_port_set_queue_empty_timestamp(port, qindex)
+#define rte_sched_port_set_queue_empty_timestamp(port, subport, qindex)
 
 #endif /* RTE_SCHED_RED */
 
 #ifdef RTE_SCHED_DEBUG
 
 static inline void
-debug_check_queue_slab(struct rte_sched_port *port, uint32_t bmp_pos,
+debug_check_queue_slab(struct rte_sched_subport *subport, uint32_t bmp_pos,
                       uint64_t bmp_slab)
 {
        uint64_t mask;
@@ -1308,7 +1846,7 @@ debug_check_queue_slab(struct rte_sched_port *port, uint32_t bmp_pos,
        panic = 0;
        for (i = 0, mask = 1; i < 64; i++, mask <<= 1) {
                if (mask & bmp_slab) {
-                       if (rte_sched_port_queue_is_empty(port, bmp_pos + i)) {
+                       if (rte_sched_port_queue_is_empty(subport, bmp_pos + i)) {
                                printf("Queue %u (slab offset %u) is empty\n", bmp_pos + i, i);
                                panic = 1;
                        }
@@ -1322,63 +1860,79 @@ debug_check_queue_slab(struct rte_sched_port *port, uint32_t bmp_pos,
 
 #endif /* RTE_SCHED_DEBUG */
 
+static inline struct rte_sched_subport *
+rte_sched_port_subport(struct rte_sched_port *port,
+       struct rte_mbuf *pkt)
+{
+       uint32_t queue_id = rte_mbuf_sched_queue_get(pkt);
+       uint32_t subport_id = queue_id >> (port->n_pipes_per_subport_log2 + 4);
+
+       return port->subports[subport_id];
+}
+
 static inline uint32_t
-rte_sched_port_enqueue_qptrs_prefetch0(struct rte_sched_port *port,
-                                      struct rte_mbuf *pkt)
+rte_sched_port_enqueue_qptrs_prefetch0(struct rte_sched_subport *subport,
+       struct rte_mbuf *pkt, uint32_t subport_qmask)
 {
        struct rte_sched_queue *q;
 #ifdef RTE_SCHED_COLLECT_STATS
        struct rte_sched_queue_extra *qe;
 #endif
        uint32_t qindex = rte_mbuf_sched_queue_get(pkt);
+       uint32_t subport_queue_id = subport_qmask & qindex;
 
-       q = port->queue + qindex;
+       q = subport->queue + subport_queue_id;
        rte_prefetch0(q);
 #ifdef RTE_SCHED_COLLECT_STATS
-       qe = port->queue_extra + qindex;
+       qe = subport->queue_extra + subport_queue_id;
        rte_prefetch0(qe);
 #endif
 
-       return qindex;
+       return subport_queue_id;
 }
 
 static inline void
 rte_sched_port_enqueue_qwa_prefetch0(struct rte_sched_port *port,
-                                    uint32_t qindex, struct rte_mbuf **qbase)
+       struct rte_sched_subport *subport,
+       uint32_t qindex,
+       struct rte_mbuf **qbase)
 {
        struct rte_sched_queue *q;
        struct rte_mbuf **q_qw;
        uint16_t qsize;
 
-       q = port->queue + qindex;
-       qsize = rte_sched_port_qsize(port, qindex);
+       q = subport->queue + qindex;
+       qsize = rte_sched_subport_pipe_qsize(port, subport, qindex);
        q_qw = qbase + (q->qw & (qsize - 1));
 
        rte_prefetch0(q_qw);
-       rte_bitmap_prefetch0(port->bmp, qindex);
+       rte_bitmap_prefetch0(subport->bmp, qindex);
 }
 
 static inline int
-rte_sched_port_enqueue_qwa(struct rte_sched_port *port, uint32_t qindex,
-                          struct rte_mbuf **qbase, struct rte_mbuf *pkt)
+rte_sched_port_enqueue_qwa(struct rte_sched_port *port,
+       struct rte_sched_subport *subport,
+       uint32_t qindex,
+       struct rte_mbuf **qbase,
+       struct rte_mbuf *pkt)
 {
        struct rte_sched_queue *q;
        uint16_t qsize;
        uint16_t qlen;
 
-       q = port->queue + qindex;
-       qsize = rte_sched_port_qsize(port, qindex);
+       q = subport->queue + qindex;
+       qsize = rte_sched_subport_pipe_qsize(port, subport, qindex);
        qlen = q->qw - q->qr;
 
        /* Drop the packet (and update drop stats) when queue is full */
-       if (unlikely(rte_sched_port_red_drop(port, pkt, qindex, qlen) ||
+       if (unlikely(rte_sched_port_red_drop(port, subport, pkt, qindex, qlen) ||
                     (qlen >= qsize))) {
                rte_pktmbuf_free(pkt);
 #ifdef RTE_SCHED_COLLECT_STATS
-               rte_sched_port_update_subport_stats_on_drop(port, qindex, pkt,
-                                                           qlen < qsize);
-               rte_sched_port_update_queue_stats_on_drop(port, qindex, pkt,
-                                                         qlen < qsize);
+               rte_sched_port_update_subport_stats_on_drop(port, subport,
+                       qindex, pkt, qlen < qsize);
+               rte_sched_port_update_queue_stats_on_drop(subport, qindex, pkt,
+                       qlen < qsize);
 #endif
                return 0;
        }
@@ -1387,13 +1941,13 @@ rte_sched_port_enqueue_qwa(struct rte_sched_port *port, uint32_t qindex,
        qbase[q->qw & (qsize - 1)] = pkt;
        q->qw++;
 
-       /* Activate queue in the port bitmap */
-       rte_bitmap_set(port->bmp, qindex);
+       /* Activate queue in the subport bitmap */
+       rte_bitmap_set(subport->bmp, qindex);
 
        /* Statistics */
 #ifdef RTE_SCHED_COLLECT_STATS
-       rte_sched_port_update_subport_stats(port, qindex, pkt);
-       rte_sched_port_update_queue_stats(port, qindex, pkt);
+       rte_sched_port_update_subport_stats(port, subport, qindex, pkt);
+       rte_sched_port_update_queue_stats(subport, qindex, pkt);
 #endif
 
        return 1;
@@ -1421,17 +1975,22 @@ rte_sched_port_enqueue(struct rte_sched_port *port, struct rte_mbuf **pkts,
                *pkt30, *pkt31, *pkt_last;
        struct rte_mbuf **q00_base, **q01_base, **q10_base, **q11_base,
                **q20_base, **q21_base, **q30_base, **q31_base, **q_last_base;
+       struct rte_sched_subport *subport00, *subport01, *subport10, *subport11,
+               *subport20, *subport21, *subport30, *subport31, *subport_last;
        uint32_t q00, q01, q10, q11, q20, q21, q30, q31, q_last;
        uint32_t r00, r01, r10, r11, r20, r21, r30, r31, r_last;
+       uint32_t subport_qmask;
        uint32_t result, i;
 
        result = 0;
+       subport_qmask = (1 << (port->n_pipes_per_subport_log2 + 4)) - 1;
 
        /*
         * Less then 6 input packets available, which is not enough to
         * feed the pipeline
         */
        if (unlikely(n_pkts < 6)) {
+               struct rte_sched_subport *subports[5];
                struct rte_mbuf **q_base[5];
                uint32_t q[5];
 
@@ -1439,22 +1998,26 @@ rte_sched_port_enqueue(struct rte_sched_port *port, struct rte_mbuf **pkts,
                for (i = 0; i < n_pkts; i++)
                        rte_prefetch0(pkts[i]);
 
+               /* Prefetch the subport structure for each packet */
+               for (i = 0; i < n_pkts; i++)
+                       subports[i] = rte_sched_port_subport(port, pkts[i]);
+
                /* Prefetch the queue structure for each queue */
                for (i = 0; i < n_pkts; i++)
-                       q[i] = rte_sched_port_enqueue_qptrs_prefetch0(port,
-                                                                     pkts[i]);
+                       q[i] = rte_sched_port_enqueue_qptrs_prefetch0(subports[i],
+                                       pkts[i], subport_qmask);
 
                /* Prefetch the write pointer location of each queue */
                for (i = 0; i < n_pkts; i++) {
-                       q_base[i] = rte_sched_port_qbase(port, q[i]);
-                       rte_sched_port_enqueue_qwa_prefetch0(port, q[i],
-                                                            q_base[i]);
+                       q_base[i] = rte_sched_subport_pipe_qbase(subports[i], q[i]);
+                       rte_sched_port_enqueue_qwa_prefetch0(port, subports[i],
+                               q[i], q_base[i]);
                }
 
                /* Write each packet to its queue */
                for (i = 0; i < n_pkts; i++)
-                       result += rte_sched_port_enqueue_qwa(port, q[i],
-                                                            q_base[i], pkts[i]);
+                       result += rte_sched_port_enqueue_qwa(port, subports[i],
+                                               q[i], q_base[i], pkts[i]);
 
                return result;
        }
@@ -1470,21 +2033,29 @@ rte_sched_port_enqueue(struct rte_sched_port *port, struct rte_mbuf **pkts,
        rte_prefetch0(pkt10);
        rte_prefetch0(pkt11);
 
-       q20 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt20);
-       q21 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt21);
+       subport20 = rte_sched_port_subport(port, pkt20);
+       subport21 = rte_sched_port_subport(port, pkt21);
+       q20 = rte_sched_port_enqueue_qptrs_prefetch0(subport20,
+                       pkt20, subport_qmask);
+       q21 = rte_sched_port_enqueue_qptrs_prefetch0(subport21,
+                       pkt21, subport_qmask);
 
        pkt00 = pkts[4];
        pkt01 = pkts[5];
        rte_prefetch0(pkt00);
        rte_prefetch0(pkt01);
 
-       q10 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt10);
-       q11 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt11);
+       subport10 = rte_sched_port_subport(port, pkt10);
+       subport11 = rte_sched_port_subport(port, pkt11);
+       q10 = rte_sched_port_enqueue_qptrs_prefetch0(subport10,
+                       pkt10, subport_qmask);
+       q11 = rte_sched_port_enqueue_qptrs_prefetch0(subport11,
+                       pkt11, subport_qmask);
 
-       q20_base = rte_sched_port_qbase(port, q20);
-       q21_base = rte_sched_port_qbase(port, q21);
-       rte_sched_port_enqueue_qwa_prefetch0(port, q20, q20_base);
-       rte_sched_port_enqueue_qwa_prefetch0(port, q21, q21_base);
+       q20_base = rte_sched_subport_pipe_qbase(subport20, q20);
+       q21_base = rte_sched_subport_pipe_qbase(subport21, q21);
+       rte_sched_port_enqueue_qwa_prefetch0(port, subport20, q20, q20_base);
+       rte_sched_port_enqueue_qwa_prefetch0(port, subport21, q21, q21_base);
 
        /* Run the pipeline */
        for (i = 6; i < (n_pkts & (~1)); i += 2) {
@@ -1499,6 +2070,10 @@ rte_sched_port_enqueue(struct rte_sched_port *port, struct rte_mbuf **pkts,
                q31 = q21;
                q20 = q10;
                q21 = q11;
+               subport30 = subport20;
+               subport31 = subport21;
+               subport20 = subport10;
+               subport21 = subport11;
                q30_base = q20_base;
                q31_base = q21_base;
 
@@ -1508,19 +2083,25 @@ rte_sched_port_enqueue(struct rte_sched_port *port, struct rte_mbuf **pkts,
                rte_prefetch0(pkt00);
                rte_prefetch0(pkt01);
 
-               /* Stage 1: Prefetch queue structure storing queue pointers */
-               q10 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt10);
-               q11 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt11);
+               /* Stage 1: Prefetch subport and queue structure storing queue pointers */
+               subport10 = rte_sched_port_subport(port, pkt10);
+               subport11 = rte_sched_port_subport(port, pkt11);
+               q10 = rte_sched_port_enqueue_qptrs_prefetch0(subport10,
+                               pkt10, subport_qmask);
+               q11 = rte_sched_port_enqueue_qptrs_prefetch0(subport11,
+                               pkt11, subport_qmask);
 
                /* Stage 2: Prefetch queue write location */
-               q20_base = rte_sched_port_qbase(port, q20);
-               q21_base = rte_sched_port_qbase(port, q21);
-               rte_sched_port_enqueue_qwa_prefetch0(port, q20, q20_base);
-               rte_sched_port_enqueue_qwa_prefetch0(port, q21, q21_base);
+               q20_base = rte_sched_subport_pipe_qbase(subport20, q20);
+               q21_base = rte_sched_subport_pipe_qbase(subport21, q21);
+               rte_sched_port_enqueue_qwa_prefetch0(port, subport20, q20, q20_base);
+               rte_sched_port_enqueue_qwa_prefetch0(port, subport21, q21, q21_base);
 
                /* Stage 3: Write packet to queue and activate queue */
-               r30 = rte_sched_port_enqueue_qwa(port, q30, q30_base, pkt30);
-               r31 = rte_sched_port_enqueue_qwa(port, q31, q31_base, pkt31);
+               r30 = rte_sched_port_enqueue_qwa(port, subport30,
+                               q30, q30_base, pkt30);
+               r31 = rte_sched_port_enqueue_qwa(port, subport31,
+                               q31, q31_base, pkt31);
                result += r30 + r31;
        }
 
@@ -1532,38 +2113,52 @@ rte_sched_port_enqueue(struct rte_sched_port *port, struct rte_mbuf **pkts,
        pkt_last = pkts[n_pkts - 1];
        rte_prefetch0(pkt_last);
 
-       q00 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt00);
-       q01 = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt01);
-
-       q10_base = rte_sched_port_qbase(port, q10);
-       q11_base = rte_sched_port_qbase(port, q11);
-       rte_sched_port_enqueue_qwa_prefetch0(port, q10, q10_base);
-       rte_sched_port_enqueue_qwa_prefetch0(port, q11, q11_base);
-
-       r20 = rte_sched_port_enqueue_qwa(port, q20, q20_base, pkt20);
-       r21 = rte_sched_port_enqueue_qwa(port, q21, q21_base, pkt21);
+       subport00 = rte_sched_port_subport(port, pkt00);
+       subport01 = rte_sched_port_subport(port, pkt01);
+       q00 = rte_sched_port_enqueue_qptrs_prefetch0(subport00,
+                       pkt00, subport_qmask);
+       q01 = rte_sched_port_enqueue_qptrs_prefetch0(subport01,
+                       pkt01, subport_qmask);
+
+       q10_base = rte_sched_subport_pipe_qbase(subport10, q10);
+       q11_base = rte_sched_subport_pipe_qbase(subport11, q11);
+       rte_sched_port_enqueue_qwa_prefetch0(port, subport10, q10, q10_base);
+       rte_sched_port_enqueue_qwa_prefetch0(port, subport11, q11, q11_base);
+
+       r20 = rte_sched_port_enqueue_qwa(port, subport20,
+                       q20, q20_base, pkt20);
+       r21 = rte_sched_port_enqueue_qwa(port, subport21,
+                       q21, q21_base, pkt21);
        result += r20 + r21;
 
-       q_last = rte_sched_port_enqueue_qptrs_prefetch0(port, pkt_last);
+       subport_last = rte_sched_port_subport(port, pkt_last);
+       q_last = rte_sched_port_enqueue_qptrs_prefetch0(subport_last,
+                               pkt_last, subport_qmask);
 
-       q00_base = rte_sched_port_qbase(port, q00);
-       q01_base = rte_sched_port_qbase(port, q01);
-       rte_sched_port_enqueue_qwa_prefetch0(port, q00, q00_base);
-       rte_sched_port_enqueue_qwa_prefetch0(port, q01, q01_base);
+       q00_base = rte_sched_subport_pipe_qbase(subport00, q00);
+       q01_base = rte_sched_subport_pipe_qbase(subport01, q01);
+       rte_sched_port_enqueue_qwa_prefetch0(port, subport00, q00, q00_base);
+       rte_sched_port_enqueue_qwa_prefetch0(port, subport01, q01, q01_base);
 
-       r10 = rte_sched_port_enqueue_qwa(port, q10, q10_base, pkt10);
-       r11 = rte_sched_port_enqueue_qwa(port, q11, q11_base, pkt11);
+       r10 = rte_sched_port_enqueue_qwa(port, subport10, q10,
+                       q10_base, pkt10);
+       r11 = rte_sched_port_enqueue_qwa(port, subport11, q11,
+                       q11_base, pkt11);
        result += r10 + r11;
 
-       q_last_base = rte_sched_port_qbase(port, q_last);
-       rte_sched_port_enqueue_qwa_prefetch0(port, q_last, q_last_base);
+       q_last_base = rte_sched_subport_pipe_qbase(subport_last, q_last);
+       rte_sched_port_enqueue_qwa_prefetch0(port, subport_last,
+               q_last, q_last_base);
 
-       r00 = rte_sched_port_enqueue_qwa(port, q00, q00_base, pkt00);
-       r01 = rte_sched_port_enqueue_qwa(port, q01, q01_base, pkt01);
+       r00 = rte_sched_port_enqueue_qwa(port, subport00, q00,
+                       q00_base, pkt00);
+       r01 = rte_sched_port_enqueue_qwa(port, subport01, q01,
+                       q01_base, pkt01);
        result += r00 + r01;
 
        if (n_pkts & 1) {
-               r_last = rte_sched_port_enqueue_qwa(port, q_last, q_last_base, pkt_last);
+               r_last = rte_sched_port_enqueue_qwa(port, subport_last,
+                                       q_last, q_last_base, pkt_last);
                result += r_last;
        }
 
@@ -1573,33 +2168,34 @@ rte_sched_port_enqueue(struct rte_sched_port *port, struct rte_mbuf **pkts,
 #ifndef RTE_SCHED_SUBPORT_TC_OV
 
 static inline void
-grinder_credits_update(struct rte_sched_port *port, uint32_t pos)
+grinder_credits_update(struct rte_sched_port *port,
+       struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
-       struct rte_sched_subport *subport = grinder->subport;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        struct rte_sched_pipe *pipe = grinder->pipe;
        struct rte_sched_pipe_profile *params = grinder->pipe_params;
+       struct rte_sched_subport_profile *sp = grinder->subport_params;
        uint64_t n_periods;
        uint32_t i;
 
        /* Subport TB */
-       n_periods = (port->time - subport->tb_time) / subport->tb_period;
-       subport->tb_credits += n_periods * subport->tb_credits_per_period;
-       subport->tb_credits = rte_sched_min_val_2_u32(subport->tb_credits, subport->tb_size);
-       subport->tb_time += n_periods * subport->tb_period;
+       n_periods = (port->time - subport->tb_time) / sp->tb_period;
+       subport->tb_credits += n_periods * sp->tb_credits_per_period;
+       subport->tb_credits = RTE_MIN(subport->tb_credits, sp->tb_size);
+       subport->tb_time += n_periods * sp->tb_period;
 
        /* Pipe TB */
        n_periods = (port->time - pipe->tb_time) / params->tb_period;
        pipe->tb_credits += n_periods * params->tb_credits_per_period;
-       pipe->tb_credits = rte_sched_min_val_2_u32(pipe->tb_credits, params->tb_size);
+       pipe->tb_credits = RTE_MIN(pipe->tb_credits, params->tb_size);
        pipe->tb_time += n_periods * params->tb_period;
 
        /* Subport TCs */
        if (unlikely(port->time >= subport->tc_time)) {
                for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
-                       subport->tc_credits[i] = subport->tc_credits_per_period[i];
+                       subport->tc_credits[i] = sp->tc_credits_per_period[i];
 
-               subport->tc_time = port->time + subport->tc_period;
+               subport->tc_time = port->time + sp->tc_period;
        }
 
        /* Pipe TCs */
@@ -1613,31 +2209,32 @@ grinder_credits_update(struct rte_sched_port *port, uint32_t pos)
 
 #else
 
-static inline uint32_t
-grinder_tc_ov_credits_update(struct rte_sched_port *port, uint32_t pos)
+static inline uint64_t
+grinder_tc_ov_credits_update(struct rte_sched_port *port,
+       struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
-       struct rte_sched_subport *subport = grinder->subport;
-       uint32_t tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
-       uint32_t tc_consumption = 0, tc_ov_consumption_max;
-       uint32_t tc_ov_wm = subport->tc_ov_wm;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
+       struct rte_sched_subport_profile *sp = grinder->subport_params;
+       uint64_t tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+       uint64_t tc_consumption = 0, tc_ov_consumption_max;
+       uint64_t tc_ov_wm = subport->tc_ov_wm;
        uint32_t i;
 
        if (subport->tc_ov == 0)
                return subport->tc_ov_wm_max;
 
        for (i = 0; i < RTE_SCHED_TRAFFIC_CLASS_BE; i++) {
-               tc_ov_consumption[i] =
-                       subport->tc_credits_per_period[i] - subport->tc_credits[i];
+               tc_ov_consumption[i] = sp->tc_credits_per_period[i]
+                                       -  subport->tc_credits[i];
                tc_consumption += tc_ov_consumption[i];
        }
 
        tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASS_BE] =
-               subport->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE] -
+       sp->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE] -
                subport->tc_credits[RTE_SCHED_TRAFFIC_CLASS_BE];
 
        tc_ov_consumption_max =
-               subport->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE] -
+       sp->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE] -
                        tc_consumption;
 
        if (tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASS_BE] >
@@ -1657,35 +2254,37 @@ grinder_tc_ov_credits_update(struct rte_sched_port *port, uint32_t pos)
 }
 
 static inline void
-grinder_credits_update(struct rte_sched_port *port, uint32_t pos)
+grinder_credits_update(struct rte_sched_port *port,
+       struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
-       struct rte_sched_subport *subport = grinder->subport;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        struct rte_sched_pipe *pipe = grinder->pipe;
        struct rte_sched_pipe_profile *params = grinder->pipe_params;
+       struct rte_sched_subport_profile *sp = grinder->subport_params;
        uint64_t n_periods;
        uint32_t i;
 
        /* Subport TB */
-       n_periods = (port->time - subport->tb_time) / subport->tb_period;
-       subport->tb_credits += n_periods * subport->tb_credits_per_period;
-       subport->tb_credits = rte_sched_min_val_2_u32(subport->tb_credits, subport->tb_size);
-       subport->tb_time += n_periods * subport->tb_period;
+       n_periods = (port->time - subport->tb_time) / sp->tb_period;
+       subport->tb_credits += n_periods * sp->tb_credits_per_period;
+       subport->tb_credits = RTE_MIN(subport->tb_credits, sp->tb_size);
+       subport->tb_time += n_periods * sp->tb_period;
 
        /* Pipe TB */
        n_periods = (port->time - pipe->tb_time) / params->tb_period;
        pipe->tb_credits += n_periods * params->tb_credits_per_period;
-       pipe->tb_credits = rte_sched_min_val_2_u32(pipe->tb_credits, params->tb_size);
+       pipe->tb_credits = RTE_MIN(pipe->tb_credits, params->tb_size);
        pipe->tb_time += n_periods * params->tb_period;
 
        /* Subport TCs */
        if (unlikely(port->time >= subport->tc_time)) {
-               subport->tc_ov_wm = grinder_tc_ov_credits_update(port, pos);
+               subport->tc_ov_wm =
+                       grinder_tc_ov_credits_update(port, subport, pos);
 
                for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
-                       subport->tc_credits[i] = subport->tc_credits_per_period[i];
+                       subport->tc_credits[i] = sp->tc_credits_per_period[i];
 
-               subport->tc_time = port->time + subport->tc_period;
+               subport->tc_time = port->time + sp->tc_period;
                subport->tc_ov_period_id++;
        }
 
@@ -1710,18 +2309,18 @@ grinder_credits_update(struct rte_sched_port *port, uint32_t pos)
 #ifndef RTE_SCHED_SUBPORT_TC_OV
 
 static inline int
-grinder_credits_check(struct rte_sched_port *port, uint32_t pos)
+grinder_credits_check(struct rte_sched_port *port,
+       struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
-       struct rte_sched_subport *subport = grinder->subport;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        struct rte_sched_pipe *pipe = grinder->pipe;
        struct rte_mbuf *pkt = grinder->pkt;
        uint32_t tc_index = grinder->tc_index;
-       uint32_t pkt_len = pkt->pkt_len + port->frame_overhead;
-       uint32_t subport_tb_credits = subport->tb_credits;
-       uint32_t subport_tc_credits = subport->tc_credits[tc_index];
-       uint32_t pipe_tb_credits = pipe->tb_credits;
-       uint32_t pipe_tc_credits = pipe->tc_credits[tc_index];
+       uint64_t pkt_len = pkt->pkt_len + port->frame_overhead;
+       uint64_t subport_tb_credits = subport->tb_credits;
+       uint64_t subport_tc_credits = subport->tc_credits[tc_index];
+       uint64_t pipe_tb_credits = pipe->tb_credits;
+       uint64_t pipe_tc_credits = pipe->tc_credits[tc_index];
        int enough_credits;
 
        /* Check queue credits */
@@ -1745,28 +2344,29 @@ grinder_credits_check(struct rte_sched_port *port, uint32_t pos)
 #else
 
 static inline int
-grinder_credits_check(struct rte_sched_port *port, uint32_t pos)
+grinder_credits_check(struct rte_sched_port *port,
+       struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
-       struct rte_sched_subport *subport = grinder->subport;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        struct rte_sched_pipe *pipe = grinder->pipe;
        struct rte_mbuf *pkt = grinder->pkt;
        uint32_t tc_index = grinder->tc_index;
-       uint32_t pkt_len = pkt->pkt_len + port->frame_overhead;
-       uint32_t subport_tb_credits = subport->tb_credits;
-       uint32_t subport_tc_credits = subport->tc_credits[tc_index];
-       uint32_t pipe_tb_credits = pipe->tb_credits;
-       uint32_t pipe_tc_credits = pipe->tc_credits[tc_index];
-       uint32_t pipe_tc_ov_mask1[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
-       uint32_t pipe_tc_ov_mask2[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE] = {0};
-       uint32_t pipe_tc_ov_credits, i;
+       uint64_t pkt_len = pkt->pkt_len + port->frame_overhead;
+       uint64_t subport_tb_credits = subport->tb_credits;
+       uint64_t subport_tc_credits = subport->tc_credits[tc_index];
+       uint64_t pipe_tb_credits = pipe->tb_credits;
+       uint64_t pipe_tc_credits = pipe->tc_credits[tc_index];
+       uint64_t pipe_tc_ov_mask1[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+       uint64_t pipe_tc_ov_mask2[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE] = {0};
+       uint64_t pipe_tc_ov_credits;
+       uint32_t i;
        int enough_credits;
 
        for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
-               pipe_tc_ov_mask1[i] = UINT32_MAX;
+               pipe_tc_ov_mask1[i] = ~0LLU;
 
        pipe_tc_ov_mask1[RTE_SCHED_TRAFFIC_CLASS_BE] = pipe->tc_ov_credits;
-       pipe_tc_ov_mask2[RTE_SCHED_TRAFFIC_CLASS_BE] = UINT32_MAX;
+       pipe_tc_ov_mask2[RTE_SCHED_TRAFFIC_CLASS_BE] = ~0LLU;
        pipe_tc_ov_credits = pipe_tc_ov_mask1[tc_index];
 
        /* Check pipe and subport credits */
@@ -1793,15 +2393,16 @@ grinder_credits_check(struct rte_sched_port *port, uint32_t pos)
 
 
 static inline int
-grinder_schedule(struct rte_sched_port *port, uint32_t pos)
+grinder_schedule(struct rte_sched_port *port,
+       struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        struct rte_sched_queue *queue = grinder->queue[grinder->qpos];
        struct rte_mbuf *pkt = grinder->pkt;
        uint32_t pkt_len = pkt->pkt_len + port->frame_overhead;
        uint32_t be_tc_active;
 
-       if (!grinder_credits_check(port, pos))
+       if (!grinder_credits_check(port, subport, pos))
                return 0;
 
        /* Advance port time */
@@ -1818,15 +2419,15 @@ grinder_schedule(struct rte_sched_port *port, uint32_t pos)
        if (queue->qr == queue->qw) {
                uint32_t qindex = grinder->qindex[grinder->qpos];
 
-               rte_bitmap_clear(port->bmp, qindex);
+               rte_bitmap_clear(subport->bmp, qindex);
                grinder->qmask &= ~(1 << grinder->qpos);
                if (be_tc_active)
                        grinder->wrr_mask[grinder->qpos] = 0;
-               rte_sched_port_set_queue_empty_timestamp(port, qindex);
+               rte_sched_port_set_queue_empty_timestamp(port, subport, qindex);
        }
 
        /* Reset pipe loop detection */
-       port->pipe_loop = RTE_SCHED_PIPE_INVALID;
+       subport->pipe_loop = RTE_SCHED_PIPE_INVALID;
        grinder->productive = 1;
 
        return 1;
@@ -1835,13 +2436,13 @@ grinder_schedule(struct rte_sched_port *port, uint32_t pos)
 #ifdef SCHED_VECTOR_SSE4
 
 static inline int
-grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
+grinder_pipe_exists(struct rte_sched_subport *subport, uint32_t base_pipe)
 {
        __m128i index = _mm_set1_epi32(base_pipe);
-       __m128i pipes = _mm_load_si128((__m128i *)port->grinder_base_bmp_pos);
+       __m128i pipes = _mm_load_si128((__m128i *)subport->grinder_base_bmp_pos);
        __m128i res = _mm_cmpeq_epi32(pipes, index);
 
-       pipes = _mm_load_si128((__m128i *)(port->grinder_base_bmp_pos + 4));
+       pipes = _mm_load_si128((__m128i *)(subport->grinder_base_bmp_pos + 4));
        pipes = _mm_cmpeq_epi32(pipes, index);
        res = _mm_or_si128(res, pipes);
 
@@ -1854,10 +2455,10 @@ grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
 #elif defined(SCHED_VECTOR_NEON)
 
 static inline int
-grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
+grinder_pipe_exists(struct rte_sched_subport *subport, uint32_t base_pipe)
 {
        uint32x4_t index, pipes;
-       uint32_t *pos = (uint32_t *)port->grinder_base_bmp_pos;
+       uint32_t *pos = (uint32_t *)subport->grinder_base_bmp_pos;
 
        index = vmovq_n_u32(base_pipe);
        pipes = vld1q_u32(pos);
@@ -1874,12 +2475,12 @@ grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
 #else
 
 static inline int
-grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
+grinder_pipe_exists(struct rte_sched_subport *subport, uint32_t base_pipe)
 {
        uint32_t i;
 
        for (i = 0; i < RTE_SCHED_PORT_N_GRINDERS; i++) {
-               if (port->grinder_base_bmp_pos[i] == base_pipe)
+               if (subport->grinder_base_bmp_pos[i] == base_pipe)
                        return 1;
        }
 
@@ -1889,9 +2490,10 @@ grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
 #endif /* RTE_SCHED_OPTIMIZATIONS */
 
 static inline void
-grinder_pcache_populate(struct rte_sched_port *port, uint32_t pos, uint32_t bmp_pos, uint64_t bmp_slab)
+grinder_pcache_populate(struct rte_sched_subport *subport,
+       uint32_t pos, uint32_t bmp_pos, uint64_t bmp_slab)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        uint16_t w[4];
 
        grinder->pcache_w = 0;
@@ -1920,9 +2522,10 @@ grinder_pcache_populate(struct rte_sched_port *port, uint32_t pos, uint32_t bmp_
 }
 
 static inline void
-grinder_tccache_populate(struct rte_sched_port *port, uint32_t pos, uint32_t qindex, uint16_t qmask)
+grinder_tccache_populate(struct rte_sched_subport *subport,
+       uint32_t pos, uint32_t qindex, uint16_t qmask)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        uint8_t b, i;
 
        grinder->tccache_w = 0;
@@ -1943,9 +2546,10 @@ grinder_tccache_populate(struct rte_sched_port *port, uint32_t pos, uint32_t qin
 }
 
 static inline int
-grinder_next_tc(struct rte_sched_port *port, uint32_t pos)
+grinder_next_tc(struct rte_sched_port *port,
+       struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        struct rte_mbuf **qbase;
        uint32_t qindex;
        uint16_t qsize;
@@ -1954,15 +2558,15 @@ grinder_next_tc(struct rte_sched_port *port, uint32_t pos)
                return 0;
 
        qindex = grinder->tccache_qindex[grinder->tccache_r];
-       qbase = rte_sched_port_qbase(port, qindex);
-       qsize = rte_sched_port_qsize(port, qindex);
+       qbase = rte_sched_subport_pipe_qbase(subport, qindex);
+       qsize = rte_sched_subport_pipe_qsize(port, subport, qindex);
 
        grinder->tc_index = rte_sched_port_pipe_tc(port, qindex);
        grinder->qmask = grinder->tccache_qmask[grinder->tccache_r];
        grinder->qsize = qsize;
 
        if (grinder->tc_index < RTE_SCHED_TRAFFIC_CLASS_BE) {
-               grinder->queue[0] = port->queue + qindex;
+               grinder->queue[0] = subport->queue + qindex;
                grinder->qbase[0] = qbase;
                grinder->qindex[0] = qindex;
                grinder->tccache_r++;
@@ -1970,10 +2574,10 @@ grinder_next_tc(struct rte_sched_port *port, uint32_t pos)
                return 1;
        }
 
-       grinder->queue[0] = port->queue + qindex;
-       grinder->queue[1] = port->queue + qindex + 1;
-       grinder->queue[2] = port->queue + qindex + 2;
-       grinder->queue[3] = port->queue + qindex + 3;
+       grinder->queue[0] = subport->queue + qindex;
+       grinder->queue[1] = subport->queue + qindex + 1;
+       grinder->queue[2] = subport->queue + qindex + 2;
+       grinder->queue[3] = subport->queue + qindex + 3;
 
        grinder->qbase[0] = qbase;
        grinder->qbase[1] = qbase + qsize;
@@ -1990,9 +2594,10 @@ grinder_next_tc(struct rte_sched_port *port, uint32_t pos)
 }
 
 static inline int
-grinder_next_pipe(struct rte_sched_port *port, uint32_t pos)
+grinder_next_pipe(struct rte_sched_port *port,
+       struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        uint32_t pipe_qindex;
        uint16_t pipe_qmask;
 
@@ -2005,22 +2610,22 @@ grinder_next_pipe(struct rte_sched_port *port, uint32_t pos)
                uint32_t bmp_pos = 0;
 
                /* Get another non-empty pipe group */
-               if (unlikely(rte_bitmap_scan(port->bmp, &bmp_pos, &bmp_slab) <= 0))
+               if (unlikely(rte_bitmap_scan(subport->bmp, &bmp_pos, &bmp_slab) <= 0))
                        return 0;
 
 #ifdef RTE_SCHED_DEBUG
-               debug_check_queue_slab(port, bmp_pos, bmp_slab);
+               debug_check_queue_slab(subport, bmp_pos, bmp_slab);
 #endif
 
                /* Return if pipe group already in one of the other grinders */
-               port->grinder_base_bmp_pos[pos] = RTE_SCHED_BMP_POS_INVALID;
-               if (unlikely(grinder_pipe_exists(port, bmp_pos)))
+               subport->grinder_base_bmp_pos[pos] = RTE_SCHED_BMP_POS_INVALID;
+               if (unlikely(grinder_pipe_exists(subport, bmp_pos)))
                        return 0;
 
-               port->grinder_base_bmp_pos[pos] = bmp_pos;
+               subport->grinder_base_bmp_pos[pos] = bmp_pos;
 
                /* Install new pipe group into grinder's pipe cache */
-               grinder_pcache_populate(port, pos, bmp_pos, bmp_slab);
+               grinder_pcache_populate(subport, pos, bmp_pos, bmp_slab);
 
                pipe_qmask = grinder->pcache_qmask[0];
                pipe_qindex = grinder->pcache_qindex[0];
@@ -2029,18 +2634,18 @@ grinder_next_pipe(struct rte_sched_port *port, uint32_t pos)
 
        /* Install new pipe in the grinder */
        grinder->pindex = pipe_qindex >> 4;
-       grinder->subport = port->subport + (grinder->pindex / port->n_pipes_per_subport);
-       grinder->pipe = port->pipe + grinder->pindex;
+       grinder->subport = subport;
+       grinder->pipe = subport->pipe + grinder->pindex;
        grinder->pipe_params = NULL; /* to be set after the pipe structure is prefetched */
        grinder->productive = 0;
 
-       grinder_tccache_populate(port, pos, pipe_qindex, pipe_qmask);
-       grinder_next_tc(port, pos);
+       grinder_tccache_populate(subport, pos, pipe_qindex, pipe_qmask);
+       grinder_next_tc(port, subport, pos);
 
        /* Check for pipe exhaustion */
-       if (grinder->pindex == port->pipe_loop) {
-               port->pipe_exhaustion = 1;
-               port->pipe_loop = RTE_SCHED_PIPE_INVALID;
+       if (grinder->pindex == subport->pipe_loop) {
+               subport->pipe_exhaustion = 1;
+               subport->pipe_loop = RTE_SCHED_PIPE_INVALID;
        }
 
        return 1;
@@ -2048,9 +2653,9 @@ grinder_next_pipe(struct rte_sched_port *port, uint32_t pos)
 
 
 static inline void
-grinder_wrr_load(struct rte_sched_port *port, uint32_t pos)
+grinder_wrr_load(struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        struct rte_sched_pipe *pipe = grinder->pipe;
        struct rte_sched_pipe_profile *pipe_params = grinder->pipe_params;
        uint32_t qmask = grinder->qmask;
@@ -2076,9 +2681,9 @@ grinder_wrr_load(struct rte_sched_port *port, uint32_t pos)
 }
 
 static inline void
-grinder_wrr_store(struct rte_sched_port *port, uint32_t pos)
+grinder_wrr_store(struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        struct rte_sched_pipe *pipe = grinder->pipe;
 
        pipe->wrr_tokens[0] =
@@ -2096,9 +2701,9 @@ grinder_wrr_store(struct rte_sched_port *port, uint32_t pos)
 }
 
 static inline void
-grinder_wrr(struct rte_sched_port *port, uint32_t pos)
+grinder_wrr(struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        uint16_t wrr_tokens_min;
 
        grinder->wrr_tokens[0] |= ~grinder->wrr_mask[0];
@@ -2116,21 +2721,21 @@ grinder_wrr(struct rte_sched_port *port, uint32_t pos)
 }
 
 
-#define grinder_evict(port, pos)
+#define grinder_evict(subport, pos)
 
 static inline void
-grinder_prefetch_pipe(struct rte_sched_port *port, uint32_t pos)
+grinder_prefetch_pipe(struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
 
        rte_prefetch0(grinder->pipe);
        rte_prefetch0(grinder->queue[0]);
 }
 
 static inline void
-grinder_prefetch_tc_queue_arrays(struct rte_sched_port *port, uint32_t pos)
+grinder_prefetch_tc_queue_arrays(struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        uint16_t qsize, qr[RTE_SCHED_MAX_QUEUES_PER_TC];
 
        qsize = grinder->qsize;
@@ -2151,17 +2756,17 @@ grinder_prefetch_tc_queue_arrays(struct rte_sched_port *port, uint32_t pos)
        rte_prefetch0(grinder->qbase[0] + qr[0]);
        rte_prefetch0(grinder->qbase[1] + qr[1]);
 
-       grinder_wrr_load(port, pos);
-       grinder_wrr(port, pos);
+       grinder_wrr_load(subport, pos);
+       grinder_wrr(subport, pos);
 
        rte_prefetch0(grinder->qbase[2] + qr[2]);
        rte_prefetch0(grinder->qbase[3] + qr[3]);
 }
 
 static inline void
-grinder_prefetch_mbuf(struct rte_sched_port *port, uint32_t pos)
+grinder_prefetch_mbuf(struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
        uint32_t qpos = grinder->qpos;
        struct rte_mbuf **qbase = grinder->qbase[qpos];
        uint16_t qsize = grinder->qsize;
@@ -2178,16 +2783,17 @@ grinder_prefetch_mbuf(struct rte_sched_port *port, uint32_t pos)
 }
 
 static inline uint32_t
-grinder_handle(struct rte_sched_port *port, uint32_t pos)
+grinder_handle(struct rte_sched_port *port,
+       struct rte_sched_subport *subport, uint32_t pos)
 {
-       struct rte_sched_grinder *grinder = port->grinder + pos;
+       struct rte_sched_grinder *grinder = subport->grinder + pos;
 
        switch (grinder->state) {
        case e_GRINDER_PREFETCH_PIPE:
        {
-               if (grinder_next_pipe(port, pos)) {
-                       grinder_prefetch_pipe(port, pos);
-                       port->busy_grinders++;
+               if (grinder_next_pipe(port, subport, pos)) {
+                       grinder_prefetch_pipe(subport, pos);
+                       subport->busy_grinders++;
 
                        grinder->state = e_GRINDER_PREFETCH_TC_QUEUE_ARRAYS;
                        return 0;
@@ -2200,9 +2806,12 @@ grinder_handle(struct rte_sched_port *port, uint32_t pos)
        {
                struct rte_sched_pipe *pipe = grinder->pipe;
 
-               grinder->pipe_params = port->pipe_profiles + pipe->profile;
-               grinder_prefetch_tc_queue_arrays(port, pos);
-               grinder_credits_update(port, pos);
+               grinder->pipe_params = subport->pipe_profiles + pipe->profile;
+               grinder->subport_params = port->subport_profiles +
+                                               subport->profile;
+
+               grinder_prefetch_tc_queue_arrays(subport, pos);
+               grinder_credits_update(port, subport, pos);
 
                grinder->state = e_GRINDER_PREFETCH_MBUF;
                return 0;
@@ -2210,7 +2819,7 @@ grinder_handle(struct rte_sched_port *port, uint32_t pos)
 
        case e_GRINDER_PREFETCH_MBUF:
        {
-               grinder_prefetch_mbuf(port, pos);
+               grinder_prefetch_mbuf(subport, pos);
 
                grinder->state = e_GRINDER_READ_MBUF;
                return 0;
@@ -2220,47 +2829,47 @@ grinder_handle(struct rte_sched_port *port, uint32_t pos)
        {
                uint32_t wrr_active, result = 0;
 
-               result = grinder_schedule(port, pos);
+               result = grinder_schedule(port, subport, pos);
 
                wrr_active = (grinder->tc_index == RTE_SCHED_TRAFFIC_CLASS_BE);
 
                /* Look for next packet within the same TC */
                if (result && grinder->qmask) {
                        if (wrr_active)
-                               grinder_wrr(port, pos);
+                               grinder_wrr(subport, pos);
 
-                       grinder_prefetch_mbuf(port, pos);
+                       grinder_prefetch_mbuf(subport, pos);
 
                        return 1;
                }
 
                if (wrr_active)
-                       grinder_wrr_store(port, pos);
+                       grinder_wrr_store(subport, pos);
 
                /* Look for another active TC within same pipe */
-               if (grinder_next_tc(port, pos)) {
-                       grinder_prefetch_tc_queue_arrays(port, pos);
+               if (grinder_next_tc(port, subport, pos)) {
+                       grinder_prefetch_tc_queue_arrays(subport, pos);
 
                        grinder->state = e_GRINDER_PREFETCH_MBUF;
                        return result;
                }
 
                if (grinder->productive == 0 &&
-                   port->pipe_loop == RTE_SCHED_PIPE_INVALID)
-                       port->pipe_loop = grinder->pindex;
+                   subport->pipe_loop == RTE_SCHED_PIPE_INVALID)
+                       subport->pipe_loop = grinder->pindex;
 
-               grinder_evict(port, pos);
+               grinder_evict(subport, pos);
 
                /* Look for another active pipe */
-               if (grinder_next_pipe(port, pos)) {
-                       grinder_prefetch_pipe(port, pos);
+               if (grinder_next_pipe(port, subport, pos)) {
+                       grinder_prefetch_pipe(subport, pos);
 
                        grinder->state = e_GRINDER_PREFETCH_TC_QUEUE_ARRAYS;
                        return result;
                }
 
                /* No active pipe found */
-               port->busy_grinders--;
+               subport->busy_grinders--;
 
                grinder->state = e_GRINDER_PREFETCH_PIPE;
                return result;
@@ -2276,34 +2885,41 @@ static inline void
 rte_sched_port_time_resync(struct rte_sched_port *port)
 {
        uint64_t cycles = rte_get_tsc_cycles();
-       uint64_t cycles_diff = cycles - port->time_cpu_cycles;
+       uint64_t cycles_diff;
        uint64_t bytes_diff;
+       uint32_t i;
 
+       if (cycles < port->time_cpu_cycles)
+               port->time_cpu_cycles = 0;
+
+       cycles_diff = cycles - port->time_cpu_cycles;
        /* Compute elapsed time in bytes */
        bytes_diff = rte_reciprocal_divide(cycles_diff << RTE_SCHED_TIME_SHIFT,
                                           port->inv_cycles_per_byte);
 
        /* Advance port time */
-       port->time_cpu_cycles = cycles;
+       port->time_cpu_cycles +=
+               (bytes_diff * port->cycles_per_byte) >> RTE_SCHED_TIME_SHIFT;
        port->time_cpu_bytes += bytes_diff;
        if (port->time < port->time_cpu_bytes)
                port->time = port->time_cpu_bytes;
 
        /* Reset pipe loop detection */
-       port->pipe_loop = RTE_SCHED_PIPE_INVALID;
+       for (i = 0; i < port->n_subports_per_port; i++)
+               port->subports[i]->pipe_loop = RTE_SCHED_PIPE_INVALID;
 }
 
 static inline int
-rte_sched_port_exceptions(struct rte_sched_port *port, int second_pass)
+rte_sched_port_exceptions(struct rte_sched_subport *subport, int second_pass)
 {
        int exceptions;
 
        /* Check if any exception flag is set */
-       exceptions = (second_pass && port->busy_grinders == 0) ||
-               (port->pipe_exhaustion == 1);
+       exceptions = (second_pass && subport->busy_grinders == 0) ||
+               (subport->pipe_exhaustion == 1);
 
        /* Clear exception flags */
-       port->pipe_exhaustion = 0;
+       subport->pipe_exhaustion = 0;
 
        return exceptions;
 }
@@ -2311,7 +2927,9 @@ rte_sched_port_exceptions(struct rte_sched_port *port, int second_pass)
 int
 rte_sched_port_dequeue(struct rte_sched_port *port, struct rte_mbuf **pkts, uint32_t n_pkts)
 {
-       uint32_t i, count;
+       struct rte_sched_subport *subport;
+       uint32_t subport_id = port->subport_id;
+       uint32_t i, n_subports = 0, count;
 
        port->pkts_out = pkts;
        port->n_pkts_out = 0;
@@ -2320,9 +2938,32 @@ rte_sched_port_dequeue(struct rte_sched_port *port, struct rte_mbuf **pkts, uint
 
        /* Take each queue in the grinder one step further */
        for (i = 0, count = 0; ; i++)  {
-               count += grinder_handle(port, i & (RTE_SCHED_PORT_N_GRINDERS - 1));
-               if ((count == n_pkts) ||
-                   rte_sched_port_exceptions(port, i >= RTE_SCHED_PORT_N_GRINDERS)) {
+               subport = port->subports[subport_id];
+
+               count += grinder_handle(port, subport,
+                               i & (RTE_SCHED_PORT_N_GRINDERS - 1));
+
+               if (count == n_pkts) {
+                       subport_id++;
+
+                       if (subport_id == port->n_subports_per_port)
+                               subport_id = 0;
+
+                       port->subport_id = subport_id;
+                       break;
+               }
+
+               if (rte_sched_port_exceptions(subport, i >= RTE_SCHED_PORT_N_GRINDERS)) {
+                       i = 0;
+                       subport_id++;
+                       n_subports++;
+               }
+
+               if (subport_id == port->n_subports_per_port)
+                       subport_id = 0;
+
+               if (n_subports == port->n_subports_per_port) {
+                       port->subport_id = subport_id;
                        break;
                }
        }