sched: fix port time rounding
[dpdk.git] / lib / librte_sched / rte_sched.c
index 60dfc62..0fa0741 100644 (file)
 
 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 */
@@ -65,20 +65,20 @@ 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;
 } __rte_cache_aligned;
 
@@ -141,28 +141,28 @@ struct rte_sched_grinder {
 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;
+       uint64_t tb_period;
+       uint64_t tb_credits_per_period;
+       uint64_t tb_size;
+       uint64_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;
+       uint64_t tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+       uint64_t tc_credits[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+       uint64_t tc_period;
 
        /* TC oversubscription */
-       uint32_t tc_ov_wm;
-       uint32_t tc_ov_wm_min;
-       uint32_t tc_ov_wm_max;
+       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;
+       struct rte_sched_subport_stats stats __rte_cache_aligned;
 
        /* Subport pipes */
        uint32_t n_pipes_per_subport_enabled;
@@ -170,7 +170,7 @@ struct rte_sched_subport {
        uint32_t n_max_pipe_profiles;
 
        /* Pipe best-effort TC rate */
-       uint32_t pipe_tc_be_rate_max;
+       uint64_t pipe_tc_be_rate_max;
 
        /* Pipe queues size */
        uint16_t qsize[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
@@ -212,65 +212,27 @@ struct rte_sched_port {
        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;
+       uint64_t rate;
        uint32_t mtu;
        uint32_t frame_overhead;
        int socket;
-       uint16_t qsize[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
-       uint32_t n_pipe_profiles;
-       uint32_t n_max_pipe_profiles;
-       uint32_t pipe_tc_be_rate_max;
-#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;
-
-       /* Bitmap */
-       struct rte_bitmap *bmp;
-       uint32_t grinder_base_bmp_pos[RTE_SCHED_PORT_N_GRINDERS] __rte_aligned_16;
+       uint64_t cycles_per_byte;
 
        /* 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;
+       uint32_t subport_id;
 
        /* Large data structures */
-       struct rte_sched_subport *subports[0];
-       struct rte_sched_subport *subport;
-       struct rte_sched_pipe *pipe;
-       struct rte_sched_queue *queue;
-       struct rte_sched_queue_extra *queue_extra;
-       struct rte_sched_pipe_profile *pipe_profiles;
-       uint8_t *bmp_array;
-       struct rte_mbuf **queue_array;
-       uint8_t memory[0] __rte_cache_aligned;
+       struct rte_sched_subport *subports[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,
-};
-
 enum rte_sched_subport_array {
        e_RTE_SCHED_SUBPORT_ARRAY_PIPE = 0,
        e_RTE_SCHED_SUBPORT_ARRAY_QUEUE,
@@ -281,16 +243,6 @@ enum rte_sched_subport_array {
        e_RTE_SCHED_SUBPORT_ARRAY_TOTAL,
 };
 
-#ifdef RTE_SCHED_COLLECT_STATS
-
-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;
-}
-
-#endif
-
 static inline uint32_t
 rte_sched_subport_pipe_queues(struct rte_sched_subport *subport)
 {
@@ -319,25 +271,12 @@ struct rte_sched_subport *subport, uint32_t qindex)
 static inline uint32_t
 rte_sched_port_queues_per_port(struct rte_sched_port *port)
 {
-       return RTE_SCHED_QUEUES_PER_PIPE * port->n_pipes_per_subport * port->n_subports_per_port;
-}
-
-static inline struct rte_mbuf **
-rte_sched_port_qbase(struct rte_sched_port *port, uint32_t qindex)
-{
-       uint32_t pindex = qindex >> 4;
-       uint32_t qpos = qindex & 0xF;
+       uint32_t n_queues = 0, i;
 
-       return (port->queue_array + pindex *
-               port->qsize_sum + port->qsize_add[qpos]);
-}
-
-static inline uint16_t
-rte_sched_port_qsize(struct rte_sched_port *port, uint32_t qindex)
-{
-       uint32_t tc = port->pipe_tc[qindex & (RTE_SCHED_QUEUES_PER_PIPE - 1)];
+       for (i = 0; i < port->n_subports_per_port; i++)
+               n_queues += rte_sched_subport_pipe_queues(port->subports[i]);
 
-       return port->qsize[tc];
+       return n_queues;
 }
 
 static inline uint16_t
@@ -366,7 +305,7 @@ 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;
 
@@ -486,70 +425,6 @@ rte_sched_port_check_params(struct rte_sched_port_params *params)
        return 0;
 }
 
-static uint32_t
-rte_sched_port_get_array_base(struct rte_sched_port_params *params, enum rte_sched_port_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 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_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);
-       uint32_t size_per_pipe_queue_array, size_queue_array;
-
-       uint32_t base, i;
-
-       size_per_pipe_queue_array = 0;
-       for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
-               if (i < RTE_SCHED_TRAFFIC_CLASS_BE)
-                       size_per_pipe_queue_array +=
-                               params->qsize[i] * sizeof(struct rte_mbuf *);
-               else
-                       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;
-
-       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)
-               return base;
-       base += RTE_CACHE_LINE_ROUNDUP(size_pipe);
-
-       if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE)
-               return base;
-       base += RTE_CACHE_LINE_ROUNDUP(size_queue);
-
-       if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE_EXTRA)
-               return base;
-       base += RTE_CACHE_LINE_ROUNDUP(size_queue_extra);
-
-       if (array == e_RTE_SCHED_PORT_ARRAY_PIPE_PROFILES)
-               return base;
-       base += RTE_CACHE_LINE_ROUNDUP(size_pipe_profiles);
-
-       if (array == e_RTE_SCHED_PORT_ARRAY_BMP_ARRAY)
-               return base;
-       base += RTE_CACHE_LINE_ROUNDUP(size_bmp_array);
-
-       if (array == e_RTE_SCHED_PORT_ARRAY_QUEUE_ARRAY)
-               return base;
-       base += RTE_CACHE_LINE_ROUNDUP(size_queue_array);
-
-       return base;
-}
-
 static uint32_t
 rte_sched_subport_get_array_base(struct rte_sched_subport_params *params,
        enum rte_sched_subport_array array)
@@ -638,14 +513,16 @@ rte_sched_subport_config_qsize(struct rte_sched_subport *subport)
 }
 
 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,
@@ -679,7 +556,7 @@ rte_sched_port_log_pipe_profile(struct rte_sched_port *port, uint32_t i)
 }
 
 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;
 
@@ -689,10 +566,10 @@ 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;
@@ -707,8 +584,8 @@ 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;
@@ -718,7 +595,7 @@ 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]);
@@ -746,10 +623,34 @@ rte_sched_pipe_profile_convert(struct rte_sched_port *port,
        dst->wrr_cost[3] = (uint8_t) wrr_cost[3];
 }
 
+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 < subport->n_pipe_profiles; i++) {
+               struct rte_sched_pipe_params *src = params->pipe_profiles + i;
+               struct rte_sched_pipe_profile *dst = subport->pipe_profiles + i;
+
+               rte_sched_pipe_profile_convert(subport, src, dst, rate);
+               rte_sched_port_log_pipe_profile(subport, 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;
+               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 int
 rte_sched_subport_check_params(struct rte_sched_subport_params *params,
        uint32_t n_max_pipes_per_subport,
-       uint32_t rate)
+       uint64_t rate)
 {
        uint32_t i;
 
@@ -786,7 +687,7 @@ rte_sched_subport_check_params(struct rte_sched_subport_params *params,
        }
 
        for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
-               uint32_t tc_rate = params->tc_rate[i];
+               uint64_t tc_rate = params->tc_rate[i];
                uint16_t qsize = params->qsize[i];
 
                if ((qsize == 0 && tc_rate != 0) ||
@@ -846,22 +747,44 @@ rte_sched_subport_check_params(struct rte_sched_subport_params *params,
 }
 
 uint32_t
-rte_sched_port_get_memory_footprint(struct rte_sched_port_params *params)
+rte_sched_port_get_memory_footprint(struct rte_sched_port_params *port_params,
+       struct rte_sched_subport_params **subport_params)
 {
-       uint32_t size0, size1;
+       uint32_t size0 = 0, size1 = 0, i;
        int status;
 
-       status = rte_sched_port_check_params(params);
+       status = rte_sched_port_check_params(port_params);
        if (status != 0) {
-               RTE_LOG(NOTICE, SCHED,
-                       "Port scheduler params check failed (%d)\n", status);
+               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);
-       size1 = rte_sched_port_get_array_base(params,
-                       e_RTE_SCHED_PORT_ARRAY_TOTAL);
+
+       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;
 }
@@ -930,10 +853,12 @@ rte_sched_port_config(struct rte_sched_port_params *params)
        cycles_per_byte = (rte_get_tsc_hz() << RTE_SCHED_TIME_SHIFT)
                / params->rate;
        port->inv_cycles_per_byte = rte_reciprocal_value(cycles_per_byte);
+       port->cycles_per_byte = cycles_per_byte;
 
        /* Grinders */
        port->pkts_out = NULL;
        port->n_pkts_out = 0;
+       port->subport_id = 0;
 
        return port;
 }
@@ -965,7 +890,7 @@ rte_sched_subport_free(struct rte_sched_port *port,
                }
        }
 
-       rte_bitmap_free(subport->bmp);
+       rte_free(subport);
 }
 
 void
@@ -989,10 +914,14 @@ rte_sched_port_log_subport_config(struct rte_sched_port *port, uint32_t i)
        struct rte_sched_subport *s = port->subports[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",
+               "       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: wm min = %"PRIu64
+               ", wm max = %"PRIu64"\n",
                i,
 
                /* Token bucket */
@@ -1102,7 +1031,7 @@ rte_sched_subport_config(struct rte_sched_port *port,
                double tb_rate = ((double) params->tb_rate) / ((double) port->rate);
                double d = RTE_SCHED_TB_RATE_CONFIG_ERR;
 
-               rte_approx(tb_rate, d, &s->tb_credits_per_period, &s->tb_period);
+               rte_approx_64(tb_rate, d, &s->tb_credits_per_period, &s->tb_period);
        }
 
        s->tb_size = params->tb_size;
@@ -1188,6 +1117,9 @@ rte_sched_subport_config(struct rte_sched_port *port,
                (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);
@@ -1230,6 +1162,7 @@ rte_sched_pipe_config(struct rte_sched_port *port,
        struct rte_sched_subport *s;
        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 */
@@ -1245,34 +1178,32 @@ rte_sched_pipe_config(struct rte_sched_port *port,
        if (subport_id >= port->n_subports_per_port) {
                RTE_LOG(ERR, SCHED,
                        "%s: Incorrect value for parameter subport id\n", __func__);
+
+               rte_sched_free_memory(port, n_subports);
                return -EINVAL;
        }
 
-       if (pipe_id >= port->n_pipes_per_subport) {
+       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 >= port->n_pipe_profiles) {
+       if (!deactivate && profile >= s->n_pipe_profiles) {
                RTE_LOG(ERR, SCHED,
                        "%s: Incorrect value for parameter pipe profile\n", __func__);
-               return -EINVAL;
-       }
 
-       /* Check that subport configuration is valid */
-       s = port->subport + subport_id;
-       if (s->tb_period == 0) {
-               RTE_LOG(ERR, SCHED,
-                       "%s: Subport configuration invalid\n", __func__);
+               rte_sched_free_memory(port, n_subports);
                return -EINVAL;
        }
 
-       p = port->pipe + (subport_id * port->n_pipes_per_subport + pipe_id);
-
        /* 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_tc_be_rate =
                        (double) s->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
@@ -1302,7 +1233,7 @@ 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;
@@ -1312,7 +1243,7 @@ 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];
 
        {
@@ -1342,10 +1273,12 @@ 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;
@@ -1357,40 +1290,49 @@ rte_sched_port_pipe_profile_add(struct rte_sched_port *port,
                return -EINVAL;
        }
 
-       /* Pipe profiles not exceeds the max limit */
-       if (port->n_pipe_profiles >= port->n_max_pipe_profiles) {
+       /* 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;
+       }
+
+       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]);
+       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) {
+       /* 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 doesn't exist\n", __func__);
+                               "%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_tc_be_rate_max < params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE])
-               port->pipe_tc_be_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;
 }
@@ -1403,10 +1345,11 @@ 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
@@ -1431,7 +1374,8 @@ 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);
 }
@@ -1475,7 +1419,7 @@ rte_sched_subport_read_stats(struct rte_sched_port *port,
                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));
@@ -1493,8 +1437,10 @@ 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) {
@@ -1520,8 +1466,13 @@ rte_sched_queue_read_stats(struct rte_sched_port *port,
                        "%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));
@@ -1536,9 +1487,10 @@ 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;
 }
@@ -1548,43 +1500,50 @@ 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;
@@ -1593,17 +1552,19 @@ 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;
@@ -1618,7 +1579,11 @@ 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;
@@ -1628,21 +1593,22 @@ 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);
@@ -1650,16 +1616,23 @@ 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;
@@ -1671,7 +1644,7 @@ 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;
                        }
@@ -1685,63 +1658,79 @@ 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;
        }
@@ -1750,13 +1739,13 @@ 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;
@@ -1784,17 +1773,22 @@ 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];
 
@@ -1802,22 +1796,26 @@ 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;
        }
@@ -1833,21 +1831,29 @@ 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) {
@@ -1862,6 +1868,10 @@ 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;
 
@@ -1871,19 +1881,25 @@ 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;
        }
 
@@ -1895,38 +1911,52 @@ 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;
        }
 
@@ -1936,10 +1966,10 @@ 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;
        uint64_t n_periods;
@@ -1948,13 +1978,13 @@ grinder_credits_update(struct rte_sched_port *port, uint32_t pos)
        /* 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_credits = RTE_MIN(subport->tb_credits, subport->tb_size);
        subport->tb_time += n_periods * subport->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 */
@@ -1976,14 +2006,13 @@ 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)
 {
-       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;
+       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)
@@ -2020,10 +2049,10 @@ 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;
        uint64_t n_periods;
@@ -2032,18 +2061,18 @@ grinder_credits_update(struct rte_sched_port *port, uint32_t pos)
        /* 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_credits = RTE_MIN(subport->tb_credits, subport->tb_size);
        subport->tb_time += n_periods * subport->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);
 
                for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
                        subport->tc_credits[i] = subport->tc_credits_per_period[i];
@@ -2073,18 +2102,18 @@ 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 */
@@ -2108,28 +2137,29 @@ 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 */
@@ -2156,15 +2186,16 @@ 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 */
@@ -2181,15 +2212,15 @@ 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;
@@ -2198,13 +2229,13 @@ 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);
 
@@ -2217,10 +2248,10 @@ 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);
@@ -2237,12 +2268,12 @@ 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;
        }
 
@@ -2252,9 +2283,10 @@ 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;
@@ -2283,9 +2315,10 @@ 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;
@@ -2306,9 +2339,10 @@ 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;
@@ -2317,15 +2351,15 @@ 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++;
@@ -2333,10 +2367,10 @@ 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;
@@ -2353,9 +2387,10 @@ 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;
 
@@ -2368,22 +2403,22 @@ 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];
@@ -2392,18 +2427,18 @@ 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;
@@ -2411,9 +2446,9 @@ 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;
@@ -2439,9 +2474,9 @@ 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] =
@@ -2459,9 +2494,9 @@ 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];
@@ -2479,21 +2514,21 @@ 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;
@@ -2514,17 +2549,17 @@ 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;
@@ -2541,16 +2576,17 @@ 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;
@@ -2563,9 +2599,9 @@ 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_prefetch_tc_queue_arrays(subport, pos);
+               grinder_credits_update(port, subport, pos);
 
                grinder->state = e_GRINDER_PREFETCH_MBUF;
                return 0;
@@ -2573,7 +2609,7 @@ 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;
@@ -2583,47 +2619,47 @@ 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;
@@ -2639,34 +2675,41 @@ 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;
 }
@@ -2674,7 +2717,9 @@ 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;
@@ -2683,9 +2728,32 @@ 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;
                }
        }