-/*-
- * BSD LICENSE
- *
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2010-2014 Intel Corporation
*/
#include <stdio.h>
#include <rte_prefetch.h>
#include <rte_branch_prediction.h>
#include <rte_mbuf.h>
+#include <rte_bitmap.h>
+#include <rte_reciprocal.h>
#include "rte_sched.h"
-#include "rte_bitmap.h"
#include "rte_sched_common.h"
#include "rte_approx.h"
#endif
#ifdef RTE_SCHED_VECTOR
-#include <immintrin.h>
+#include <rte_vect.h>
+
+#ifdef RTE_ARCH_X86
+#define SCHED_VECTOR_SSE4
+#elif defined(RTE_MACHINE_CPUFLAG_NEON)
+#define SCHED_VECTOR_NEON
+#endif
+
#endif
#define RTE_SCHED_TB_RATE_CONFIG_ERR (1e-7)
#define RTE_SCHED_WRR_SHIFT 3
+#define RTE_SCHED_MAX_QUEUES_PER_TC RTE_SCHED_BE_QUEUES_PER_PIPE
#define RTE_SCHED_GRINDER_PCACHE_SIZE (64 / RTE_SCHED_QUEUES_PER_PIPE)
#define RTE_SCHED_PIPE_INVALID UINT32_MAX
#define RTE_SCHED_BMP_POS_INVALID UINT32_MAX
+/* Scaling for cycles_per_byte calculation
+ * Chosen so that minimum rate is 480 bit/sec
+ */
+#define RTE_SCHED_TIME_SHIFT 8
+
struct rte_sched_subport {
/* Token bucket (TB) */
uint64_t tb_time; /* time of last update */
uint32_t tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
uint8_t tc_ov_weight;
- /* Pipe queues */
- uint8_t wrr_cost[RTE_SCHED_QUEUES_PER_PIPE];
+ /* Pipe best-effort traffic class queues */
+ uint8_t wrr_cost[RTE_SCHED_BE_QUEUES_PER_PIPE];
};
struct rte_sched_pipe {
uint32_t tc_credits[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
/* Weighted Round Robin (WRR) */
- uint8_t wrr_tokens[RTE_SCHED_QUEUES_PER_PIPE];
+ uint8_t wrr_tokens[RTE_SCHED_BE_QUEUES_PER_PIPE];
/* TC oversubscription */
uint32_t tc_ov_credits;
e_GRINDER_READ_MBUF
};
-/*
- * Path through the scheduler hierarchy used by the scheduler enqueue
- * operation to identify the destination queue for the current
- * packet. Stored in the field pkt.hash.sched of struct rte_mbuf of
- * each packet, typically written by the classification stage and read
- * by scheduler enqueue.
- */
-struct rte_sched_port_hierarchy {
- uint16_t queue:2; /**< Queue ID (0 .. 3) */
- uint16_t traffic_class:2; /**< Traffic class ID (0 .. 3)*/
- uint32_t color:2; /**< Color */
- uint16_t unused:10;
- uint16_t subport; /**< Subport ID */
- uint32_t pipe; /**< Pipe ID */
-};
-
struct rte_sched_grinder {
/* Pipe cache */
uint16_t pcache_qmask[RTE_SCHED_GRINDER_PCACHE_SIZE];
struct rte_sched_pipe_profile *pipe_params;
/* TC cache */
- uint8_t tccache_qmask[4];
- uint32_t tccache_qindex[4];
+ uint8_t tccache_qmask[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+ uint32_t tccache_qindex[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
uint32_t tccache_w;
uint32_t tccache_r;
/* Current TC */
uint32_t tc_index;
- struct rte_sched_queue *queue[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
- struct rte_mbuf **qbase[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
- uint32_t qindex[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE];
+ struct rte_sched_queue *queue[RTE_SCHED_MAX_QUEUES_PER_TC];
+ struct rte_mbuf **qbase[RTE_SCHED_MAX_QUEUES_PER_TC];
+ uint32_t qindex[RTE_SCHED_MAX_QUEUES_PER_TC];
uint16_t qsize;
uint32_t qmask;
uint32_t qpos;
struct rte_mbuf *pkt;
/* WRR */
- uint16_t wrr_tokens[RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS];
- uint16_t wrr_mask[RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS];
- uint8_t wrr_cost[RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS];
+ uint16_t wrr_tokens[RTE_SCHED_BE_QUEUES_PER_PIPE];
+ uint16_t wrr_mask[RTE_SCHED_BE_QUEUES_PER_PIPE];
+ 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;
uint32_t n_pipe_profiles;
uint32_t pipe_tc3_rate_max;
#ifdef RTE_SCHED_RED
- struct rte_red_config red_config[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE][e_RTE_METER_COLORS];
+ struct rte_red_config red_config[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE][RTE_COLORS];
#endif
/* Timing */
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 */
- double cycles_per_byte; /* CPU cycles per byte */
+ struct rte_reciprocal inv_cycles_per_byte; /* CPU cycles per byte */
/* Scheduling loop detection */
uint32_t pipe_loop;
static inline uint16_t
rte_sched_port_qsize(struct rte_sched_port *port, uint32_t qindex)
{
- uint32_t tc = (qindex >> 2) & 0x3;
+ uint32_t tc = port->pipe_tc[qindex & (RTE_SCHED_QUEUES_PER_PIPE - 1)];
return port->qsize[tc];
}
+static inline uint16_t
+rte_sched_port_pipe_queue(struct rte_sched_port *port, uint32_t traffic_class)
+{
+ uint16_t pipe_queue = port->pipe_queue[traffic_class];
+
+ return pipe_queue;
+}
+
+static inline uint8_t
+rte_sched_port_pipe_tc(struct rte_sched_port *port, uint32_t qindex)
+{
+ uint8_t pipe_tc = port->pipe_tc[qindex & (RTE_SCHED_QUEUES_PER_PIPE - 1)];
+
+ return pipe_tc;
+}
+
+static inline uint8_t
+rte_sched_port_tc_queue(struct rte_sched_port *port, uint32_t qindex)
+{
+ uint8_t tc_queue = port->tc_queue[qindex & (RTE_SCHED_QUEUES_PER_PIPE - 1)];
+
+ return tc_queue;
+}
+
+static int
+pipe_profile_check(struct rte_sched_pipe_params *params,
+ uint32_t rate, uint16_t *qsize)
+{
+ uint32_t i;
+
+ /* Pipe parameters */
+ if (params == NULL)
+ return -10;
+
+ /* TB rate: non-zero, not greater than port rate */
+ if (params->tb_rate == 0 ||
+ params->tb_rate > rate)
+ return -11;
+
+ /* TB size: non-zero */
+ if (params->tb_size == 0)
+ return -12;
+
+ /* TC rate: non-zero 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;
+ }
+ if (params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE] == 0 ||
+ qsize[RTE_SCHED_TRAFFIC_CLASS_BE] == 0)
+ return -13;
+
+ /* TC period: non-zero */
+ if (params->tc_period == 0)
+ return -14;
+
+ /* TC3 oversubscription weight: non-zero */
+ if (params->tc_ov_weight == 0)
+ return -15;
+
+ /* Queue WRR weights: non-zero */
+ for (i = 0; i < RTE_SCHED_BE_QUEUES_PER_PIPE; i++) {
+ if (params->wrr_weights[i] == 0)
+ return -16;
+ }
+
+ return 0;
+}
+
static int
rte_sched_port_check_params(struct rte_sched_port_params *params)
{
- uint32_t i, j;
+ uint32_t i;
if (params == NULL)
return -1;
/* socket */
- if ((params->socket < 0) || (params->socket >= RTE_MAX_NUMA_NODES))
+ if (params->socket < 0)
return -3;
/* rate */
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))
+ if ((qsize != 0 && !rte_is_power_of_2(qsize)) ||
+ ((i == RTE_SCHED_TRAFFIC_CLASS_BE) && (qsize == 0)))
return -8;
}
for (i = 0; i < params->n_pipe_profiles; i++) {
struct rte_sched_pipe_params *p = params->pipe_profiles + i;
+ int status;
- /* TB rate: non-zero, not greater than port rate */
- if (p->tb_rate == 0 || p->tb_rate > params->rate)
- return -10;
-
- /* TB size: non-zero */
- if (p->tb_size == 0)
- return -11;
-
- /* TC rate: non-zero, less than pipe rate */
- for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
- if (p->tc_rate[j] == 0 || p->tc_rate[j] > p->tb_rate)
- return -12;
- }
-
- /* TC period: non-zero */
- if (p->tc_period == 0)
- return -13;
-
-#ifdef RTE_SCHED_SUBPORT_TC_OV
- /* TC3 oversubscription weight: non-zero */
- if (p->tc_ov_weight == 0)
- return -14;
-#endif
-
- /* Queue WRR weights: non-zero */
- for (j = 0; j < RTE_SCHED_QUEUES_PER_PIPE; j++) {
- if (p->wrr_weights[j] == 0)
- return -15;
- }
+ status = pipe_profile_check(p, params->rate, ¶ms->qsize[0]);
+ if (status != 0)
+ return status;
}
return 0;
size_per_pipe_queue_array = 0;
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
- size_per_pipe_queue_array += RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS
- * params->qsize[i] * sizeof(struct rte_mbuf *);
+ 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;
size0 = sizeof(struct rte_sched_port);
size1 = rte_sched_port_get_array_base(params, e_RTE_SCHED_PORT_ARRAY_TOTAL);
- return (size0 + size1);
+ return size0 + size1;
}
static void
rte_sched_port_config_qsize(struct rte_sched_port *port)
{
- /* TC 0 */
+ uint32_t i;
+
port->qsize_add[0] = 0;
- port->qsize_add[1] = port->qsize_add[0] + port->qsize[0];
- port->qsize_add[2] = port->qsize_add[1] + port->qsize[0];
- port->qsize_add[3] = port->qsize_add[2] + port->qsize[0];
-
- /* TC 1 */
- port->qsize_add[4] = port->qsize_add[3] + port->qsize[0];
- port->qsize_add[5] = port->qsize_add[4] + port->qsize[1];
- port->qsize_add[6] = port->qsize_add[5] + port->qsize[1];
- port->qsize_add[7] = port->qsize_add[6] + port->qsize[1];
-
- /* TC 2 */
- port->qsize_add[8] = port->qsize_add[7] + port->qsize[1];
- port->qsize_add[9] = port->qsize_add[8] + port->qsize[2];
- port->qsize_add[10] = port->qsize_add[9] + port->qsize[2];
- port->qsize_add[11] = port->qsize_add[10] + port->qsize[2];
-
- /* TC 3 */
- port->qsize_add[12] = port->qsize_add[11] + port->qsize[2];
- port->qsize_add[13] = port->qsize_add[12] + port->qsize[3];
- port->qsize_add[14] = port->qsize_add[13] + port->qsize[3];
- port->qsize_add[15] = port->qsize_add[14] + port->qsize[3];
-
- port->qsize_sum = port->qsize_add[15] + port->qsize[3];
+
+ /* 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];
+
+ /* 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];
}
static void
struct rte_sched_pipe_profile *p = port->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, credits per period = [%u, %u, %u, %u]\n"
- " Traffic class 3 oversubscription: weight = %hhu\n"
- " WRR cost: [%hhu, %hhu, %hhu, %hhu], [%hhu, %hhu, %hhu, %hhu], [%hhu, %hhu, %hhu, %hhu], [%hhu, %hhu, %hhu, %hhu]\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: weight = %hhu\n"
+ " WRR cost: [%hhu, %hhu, %hhu, %hhu]\n",
i,
/* Token bucket */
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],
/* Traffic class 3 oversubscription */
p->tc_ov_weight,
/* WRR */
- p->wrr_cost[ 0], p->wrr_cost[ 1], p->wrr_cost[ 2], p->wrr_cost[ 3],
- p->wrr_cost[ 4], p->wrr_cost[ 5], p->wrr_cost[ 6], p->wrr_cost[ 7],
- p->wrr_cost[ 8], p->wrr_cost[ 9], p->wrr_cost[10], p->wrr_cost[11],
- p->wrr_cost[12], p->wrr_cost[13], p->wrr_cost[14], p->wrr_cost[15]);
+ p->wrr_cost[0], p->wrr_cost[1], p->wrr_cost[2], p->wrr_cost[3]);
}
static inline uint64_t
}
static void
-rte_sched_port_config_pipe_profile_table(struct rte_sched_port *port, struct rte_sched_port_params *params)
+rte_sched_pipe_profile_convert(struct rte_sched_port *port,
+ struct rte_sched_pipe_params *src,
+ struct rte_sched_pipe_profile *dst,
+ uint32_t rate)
{
- uint32_t i, j;
+ uint32_t wrr_cost[RTE_SCHED_BE_QUEUES_PER_PIPE];
+ uint32_t lcd1, lcd2, lcd;
+ uint32_t i;
- for (i = 0; i < port->n_pipe_profiles; i++) {
- struct rte_sched_pipe_params *src = params->pipe_profiles + i;
- struct rte_sched_pipe_profile *dst = port->pipe_profiles + i;
+ /* Token Bucket */
+ if (src->tb_rate == rate) {
+ dst->tb_credits_per_period = 1;
+ dst->tb_period = 1;
+ } else {
+ double tb_rate = (double) src->tb_rate
+ / (double) rate;
+ double d = RTE_SCHED_TB_RATE_CONFIG_ERR;
- /* Token Bucket */
- if (src->tb_rate == params->rate) {
- dst->tb_credits_per_period = 1;
- dst->tb_period = 1;
- } else {
- double tb_rate = (double) src->tb_rate
- / (double) params->rate;
- double d = RTE_SCHED_TB_RATE_CONFIG_ERR;
-
- rte_approx(tb_rate, d,
- &dst->tb_credits_per_period, &dst->tb_period);
- }
- dst->tb_size = src->tb_size;
+ rte_approx(tb_rate, d,
+ &dst->tb_credits_per_period, &dst->tb_period);
+ }
+
+ dst->tb_size = src->tb_size;
- /* Traffic Classes */
- dst->tc_period = rte_sched_time_ms_to_bytes(src->tc_period,
- params->rate);
+ /* Traffic Classes */
+ dst->tc_period = rte_sched_time_ms_to_bytes(src->tc_period,
+ rate);
- for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++)
- dst->tc_credits_per_period[j]
+ for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
+ if (port->qsize[i])
+ dst->tc_credits_per_period[i]
= rte_sched_time_ms_to_bytes(src->tc_period,
- src->tc_rate[j]);
+ src->tc_rate[i]);
-#ifdef RTE_SCHED_SUBPORT_TC_OV
- dst->tc_ov_weight = src->tc_ov_weight;
-#endif
+ dst->tc_ov_weight = src->tc_ov_weight;
- /* WRR */
- for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
- uint32_t wrr_cost[RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS];
- uint32_t lcd, lcd1, lcd2;
- uint32_t qindex;
-
- qindex = j * RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS;
-
- wrr_cost[0] = src->wrr_weights[qindex];
- wrr_cost[1] = src->wrr_weights[qindex + 1];
- wrr_cost[2] = src->wrr_weights[qindex + 2];
- wrr_cost[3] = src->wrr_weights[qindex + 3];
-
- lcd1 = rte_get_lcd(wrr_cost[0], wrr_cost[1]);
- lcd2 = rte_get_lcd(wrr_cost[2], wrr_cost[3]);
- lcd = rte_get_lcd(lcd1, lcd2);
-
- wrr_cost[0] = lcd / wrr_cost[0];
- wrr_cost[1] = lcd / wrr_cost[1];
- wrr_cost[2] = lcd / wrr_cost[2];
- wrr_cost[3] = lcd / wrr_cost[3];
-
- dst->wrr_cost[qindex] = (uint8_t) wrr_cost[0];
- dst->wrr_cost[qindex + 1] = (uint8_t) wrr_cost[1];
- dst->wrr_cost[qindex + 2] = (uint8_t) wrr_cost[2];
- dst->wrr_cost[qindex + 3] = (uint8_t) wrr_cost[3];
- }
+ /* WRR queues */
+ wrr_cost[0] = src->wrr_weights[0];
+ wrr_cost[1] = src->wrr_weights[1];
+ wrr_cost[2] = src->wrr_weights[2];
+ wrr_cost[3] = src->wrr_weights[3];
+
+ lcd1 = rte_get_lcd(wrr_cost[0], wrr_cost[1]);
+ lcd2 = rte_get_lcd(wrr_cost[2], wrr_cost[3]);
+ lcd = rte_get_lcd(lcd1, lcd2);
+
+ wrr_cost[0] = lcd / wrr_cost[0];
+ wrr_cost[1] = lcd / wrr_cost[1];
+ wrr_cost[2] = lcd / wrr_cost[2];
+ wrr_cost[3] = lcd / wrr_cost[3];
+
+ dst->wrr_cost[0] = (uint8_t) wrr_cost[0];
+ dst->wrr_cost[1] = (uint8_t) wrr_cost[1];
+ dst->wrr_cost[2] = (uint8_t) wrr_cost[2];
+ dst->wrr_cost[3] = (uint8_t) wrr_cost[3];
+}
+
+static void
+rte_sched_port_config_pipe_profile_table(struct rte_sched_port *port,
+ struct rte_sched_port_params *params)
+{
+ uint32_t i;
+
+ for (i = 0; i < port->n_pipe_profiles; i++) {
+ struct rte_sched_pipe_params *src = params->pipe_profiles + i;
+ struct rte_sched_pipe_profile *dst = port->pipe_profiles + i;
+ rte_sched_pipe_profile_convert(port, src, dst, params->rate);
rte_sched_port_log_pipe_profile(port, i);
}
port->pipe_tc3_rate_max = 0;
for (i = 0; i < port->n_pipe_profiles; i++) {
struct rte_sched_pipe_params *src = params->pipe_profiles + i;
- uint32_t pipe_tc3_rate = src->tc_rate[3];
+ uint32_t pipe_tc3_rate = src->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE];
if (port->pipe_tc3_rate_max < pipe_tc3_rate)
port->pipe_tc3_rate_max = pipe_tc3_rate;
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;
+ uint32_t mem_size, bmp_mem_size, n_queues_per_port, i, j, cycles_per_byte;
/* Check user parameters. Determine the amount of memory to allocate */
mem_size = rte_sched_port_get_memory_footprint(params);
return NULL;
/* Allocate memory to store the data structures */
- port = rte_zmalloc("qos_params", mem_size, RTE_CACHE_LINE_SIZE);
+ port = rte_zmalloc_socket("qos_params", mem_size, RTE_CACHE_LINE_SIZE,
+ params->socket);
if (port == NULL)
return NULL;
/* User parameters */
port->n_subports_per_port = params->n_subports_per_port;
port->n_pipes_per_subport = params->n_pipes_per_subport;
+ port->n_pipes_per_subport_log2 =
+ __builtin_ctz(params->n_pipes_per_subport);
+
+ for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
+ port->pipe_queue[i] = i;
+
+ for (i = 0, j = 0; i < RTE_SCHED_QUEUES_PER_PIPE; i++) {
+ port->pipe_tc[i] = j;
+
+ if (j < RTE_SCHED_TRAFFIC_CLASS_BE)
+ j++;
+ }
+
+ for (i = 0, j = 0; i < RTE_SCHED_QUEUES_PER_PIPE; i++) {
+ port->tc_queue[i] = j;
+
+ if (i >= RTE_SCHED_TRAFFIC_CLASS_BE)
+ j++;
+ }
port->rate = params->rate;
port->mtu = params->mtu + params->frame_overhead;
port->frame_overhead = params->frame_overhead;
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
uint32_t j;
- for (j = 0; j < e_RTE_METER_COLORS; j++) {
+ for (j = 0; j < RTE_COLORS; j++) {
/* if min/max are both zero, then RED is disabled */
if ((params->red_params[i][j].min_th |
params->red_params[i][j].max_th) == 0) {
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;
}
}
port->time_cpu_cycles = rte_get_tsc_cycles();
port->time_cpu_bytes = 0;
port->time = 0;
- port->cycles_per_byte = ((double) rte_get_tsc_hz()) / ((double) params->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;
bmp_mem_size);
if (port->bmp == NULL) {
RTE_LOG(ERR, SCHED, "Bitmap init error\n");
+ rte_free(port);
return NULL;
}
void
rte_sched_port_free(struct rte_sched_port *port)
{
- unsigned int queue;
+ uint32_t qindex;
+ uint32_t n_queues_per_port;
/* Check user parameters */
if (port == NULL)
return;
- /* Free enqueued mbufs */
- for (queue = 0; queue < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; queue++) {
- struct rte_mbuf **mbufs = rte_sched_port_qbase(port, queue);
- unsigned int i;
+ n_queues_per_port = rte_sched_port_queues_per_port(port);
- for (i = 0; i < rte_sched_port_qsize(port, queue); i++)
- rte_pktmbuf_free(mbufs[i]);
+ /* 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);
+ if (qsize != 0) {
+ struct rte_sched_queue *queue = port->queue + qindex;
+ uint16_t qr = queue->qr & (qsize - 1);
+ uint16_t qw = queue->qw & (qsize - 1);
+
+ for (; qr != qw; qr = (qr + 1) & (qsize - 1))
+ rte_pktmbuf_free(mbufs[qr]);
+ }
}
rte_bitmap_free(port->bmp);
struct rte_sched_subport *s = port->subport + 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, credits per period = [%u, %u, %u, %u]\n"
- " Traffic class 3 oversubscription: wm min = %u, wm max = %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,
/* Token bucket */
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,
return -3;
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++) {
- if (params->tc_rate[i] == 0 ||
- params->tc_rate[i] > params->tb_rate)
+ uint32_t tc_rate = params->tc_rate[i];
+ uint16_t qsize = port->qsize[i];
+
+ if ((qsize == 0 && tc_rate != 0) ||
+ (qsize != 0 && tc_rate == 0) ||
+ (tc_rate > params->tb_rate))
return -4;
}
+ if (port->qsize[RTE_SCHED_TRAFFIC_CLASS_BE] == 0 ||
+ params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE] == 0)
+ return -4;
+
if (params->tc_period == 0)
return -5;
/* 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++) {
- s->tc_credits_per_period[i]
- = rte_sched_time_ms_to_bytes(params->tc_period,
- params->tc_rate[i]);
+ if (port->qsize[i])
+ s->tc_credits_per_period[i]
+ = rte_sched_time_ms_to_bytes(params->tc_period,
+ params->tc_rate[i]);
+
}
s->tc_time = port->time + s->tc_period;
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
- s->tc_credits[i] = s->tc_credits_per_period[i];
+ if (port->qsize[i])
+ s->tc_credits[i] = s->tc_credits_per_period[i];
-#ifdef RTE_SCHED_SUBPORT_TC_OV
/* TC oversubscription */
s->tc_ov_wm_min = port->mtu;
s->tc_ov_wm_max = rte_sched_time_ms_to_bytes(params->tc_period,
s->tc_ov = 0;
s->tc_ov_n = 0;
s->tc_ov_rate = 0;
-#endif
rte_sched_port_log_subport_config(port, subport_id);
if (p->tb_time) {
params = port->pipe_profiles + p->profile;
-#ifdef RTE_SCHED_SUBPORT_TC_OV
- double subport_tc3_rate = (double) s->tc_credits_per_period[3]
+ double subport_tc3_rate =
+ (double) s->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
/ (double) s->tc_period;
- double pipe_tc3_rate = (double) params->tc_credits_per_period[3]
+ double pipe_tc3_rate =
+ (double) params->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
/ (double) params->tc_period;
uint32_t tc3_ov = s->tc_ov;
"Subport %u TC3 oversubscription is OFF (%.4lf >= %.4lf)\n",
subport_id, subport_tc3_rate, s->tc_ov_rate);
}
-#endif
/* Reset the pipe */
memset(p, 0, sizeof(struct rte_sched_pipe));
/* Traffic Classes (TCs) */
p->tc_time = port->time + params->tc_period;
+
for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
- p->tc_credits[i] = params->tc_credits_per_period[i];
+ if (port->qsize[i])
+ p->tc_credits[i] = params->tc_credits_per_period[i];
-#ifdef RTE_SCHED_SUBPORT_TC_OV
{
/* Subport TC3 oversubscription */
- double subport_tc3_rate = (double) s->tc_credits_per_period[3]
+ double subport_tc3_rate =
+ (double) s->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
/ (double) s->tc_period;
- double pipe_tc3_rate = (double) params->tc_credits_per_period[3]
+ double pipe_tc3_rate =
+ (double) params->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE]
/ (double) params->tc_period;
uint32_t tc3_ov = s->tc_ov;
p->tc_ov_period_id = s->tc_ov_period_id;
p->tc_ov_credits = s->tc_ov_wm;
}
-#endif
return 0;
}
-void
-rte_sched_port_pkt_write(struct rte_mbuf *pkt,
- uint32_t subport, uint32_t pipe, uint32_t traffic_class,
- uint32_t queue, enum rte_meter_color color)
+int
+rte_sched_port_pipe_profile_add(struct rte_sched_port *port,
+ struct rte_sched_pipe_params *params,
+ uint32_t *pipe_profile_id)
{
- struct rte_sched_port_hierarchy *sched
- = (struct rte_sched_port_hierarchy *) &pkt->hash.sched;
+ struct rte_sched_pipe_profile *pp;
+ uint32_t i;
+ int status;
- RTE_BUILD_BUG_ON(sizeof(*sched) > sizeof(pkt->hash.sched));
+ /* Port */
+ if (port == NULL)
+ return -1;
+
+ /* Pipe profiles not exceeds the max limit */
+ if (port->n_pipe_profiles >= RTE_SCHED_PIPE_PROFILES_PER_PORT)
+ return -2;
+
+ /* Pipe params */
+ status = pipe_profile_check(params, port->rate, &port->qsize[0]);
+ if (status != 0)
+ return status;
+
+ pp = &port->pipe_profiles[port->n_pipe_profiles];
+ rte_sched_pipe_profile_convert(port, params, pp, port->rate);
+
+ /* Pipe profile not exists */
+ for (i = 0; i < port->n_pipe_profiles; i++)
+ if (memcmp(port->pipe_profiles + i, pp, sizeof(*pp)) == 0)
+ return -3;
+
+ /* Pipe profile commit */
+ *pipe_profile_id = port->n_pipe_profiles;
+ port->n_pipe_profiles++;
+
+ if (port->pipe_tc3_rate_max < params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE])
+ port->pipe_tc3_rate_max = params->tc_rate[RTE_SCHED_TRAFFIC_CLASS_BE];
+
+ rte_sched_port_log_pipe_profile(port, *pipe_profile_id);
+
+ return 0;
+}
+
+static inline uint32_t
+rte_sched_port_qindex(struct rte_sched_port *port,
+ uint32_t subport,
+ uint32_t pipe,
+ uint32_t traffic_class,
+ uint32_t queue)
+{
+ return ((subport & (port->n_subports_per_port - 1)) <<
+ (port->n_pipes_per_subport_log2 + 4)) |
+ ((pipe & (port->n_pipes_per_subport - 1)) << 4) |
+ ((rte_sched_port_pipe_queue(port, traffic_class) + queue) &
+ (RTE_SCHED_QUEUES_PER_PIPE - 1));
+}
- sched->color = (uint32_t) color;
- sched->subport = subport;
- sched->pipe = pipe;
- sched->traffic_class = traffic_class;
- sched->queue = queue;
+void
+rte_sched_port_pkt_write(struct rte_sched_port *port,
+ struct rte_mbuf *pkt,
+ uint32_t subport, uint32_t pipe,
+ uint32_t traffic_class,
+ uint32_t queue, enum rte_color color)
+{
+ uint32_t queue_id =
+ rte_sched_port_qindex(port, subport, pipe, traffic_class, queue);
+
+ rte_mbuf_sched_set(pkt, queue_id, traffic_class, (uint8_t)color);
}
void
-rte_sched_port_pkt_read_tree_path(const struct rte_mbuf *pkt,
+rte_sched_port_pkt_read_tree_path(struct rte_sched_port *port,
+ const struct rte_mbuf *pkt,
uint32_t *subport, uint32_t *pipe,
uint32_t *traffic_class, uint32_t *queue)
{
- const struct rte_sched_port_hierarchy *sched
- = (const struct rte_sched_port_hierarchy *) &pkt->hash.sched;
+ uint32_t queue_id = rte_mbuf_sched_queue_get(pkt);
- *subport = sched->subport;
- *pipe = sched->pipe;
- *traffic_class = sched->traffic_class;
- *queue = sched->queue;
+ *subport = queue_id >> (port->n_pipes_per_subport_log2 + 4);
+ *pipe = (queue_id >> 4) & (port->n_pipes_per_subport - 1);
+ *traffic_class = rte_sched_port_pipe_tc(port, queue_id);
+ *queue = rte_sched_port_tc_queue(port, queue_id);
}
-enum rte_meter_color
+enum rte_color
rte_sched_port_pkt_read_color(const struct rte_mbuf *pkt)
{
- const struct rte_sched_port_hierarchy *sched
- = (const struct rte_sched_port_hierarchy *) &pkt->hash.sched;
-
- return (enum rte_meter_color) sched->color;
+ return (enum rte_color)rte_mbuf_sched_color_get(pkt);
}
int
memcpy(stats, &s->stats, sizeof(struct rte_sched_subport_stats));
memset(&s->stats, 0, sizeof(struct rte_sched_subport_stats));
- /* Subport TC ovesubscription status */
+ /* Subport TC oversubscription status */
*tc_ov = s->tc_ov;
return 0;
return 0;
}
-static inline uint32_t
-rte_sched_port_qindex(struct rte_sched_port *port, uint32_t subport, uint32_t pipe, uint32_t traffic_class, uint32_t queue)
-{
- uint32_t result;
-
- result = subport * port->n_pipes_per_subport + pipe;
- result = result * RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE + traffic_class;
- result = result * RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS + queue;
-
- return result;
-}
-
#ifdef RTE_SCHED_DEBUG
static inline int
{
struct rte_sched_queue *queue = port->queue + qindex;
- return (queue->qr == queue->qw);
-}
-
-static inline int
-rte_sched_port_queue_is_full(struct rte_sched_port *port, uint32_t qindex)
-{
- struct rte_sched_queue *queue = port->queue + qindex;
- uint16_t qsize = rte_sched_port_qsize(port, qindex);
- uint16_t qlen = queue->qw - queue->qr;
-
- return (qlen >= qsize);
+ return queue->qr == queue->qw;
}
#endif /* RTE_SCHED_DEBUG */
rte_sched_port_update_subport_stats(struct rte_sched_port *port, 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 = (qindex >> 2) & 0x3;
+ 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;
}
+#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)
+#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_sched_port_update_subport_stats_on_drop(struct rte_sched_port *port,
+ 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 = (qindex >> 2) & 0x3;
+ 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;
+#ifdef RTE_SCHED_RED
+ s->stats.n_pkts_red_dropped[tc_index] += red;
+#endif
}
static inline void
qe->stats.n_bytes += pkt_len;
}
+#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)
+#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_sched_port_update_queue_stats_on_drop(struct rte_sched_port *port,
+ uint32_t qindex,
+ struct rte_mbuf *pkt, __rte_unused uint32_t red)
+#endif
{
struct rte_sched_queue_extra *qe = port->queue_extra + qindex;
uint32_t pkt_len = pkt->pkt_len;
qe->stats.n_pkts_dropped += 1;
qe->stats.n_bytes_dropped += pkt_len;
+#ifdef RTE_SCHED_RED
+ qe->stats.n_pkts_red_dropped += red;
+#endif
}
#endif /* RTE_SCHED_COLLECT_STATS */
struct rte_red_config *red_cfg;
struct rte_red *red;
uint32_t tc_index;
- enum rte_meter_color color;
+ enum rte_color color;
- tc_index = (qindex >> 2) & 0x3;
+ 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];
#ifdef RTE_SCHED_DEBUG
-static inline int
-debug_pipe_is_empty(struct rte_sched_port *port, uint32_t pindex)
-{
- uint32_t qindex, i;
-
- qindex = pindex << 4;
-
- for (i = 0; i < 16; i++) {
- uint32_t queue_empty = rte_sched_port_queue_is_empty(port, qindex + i);
- uint32_t bmp_bit_clear = (rte_bitmap_get(port->bmp, qindex + i) == 0);
-
- if (queue_empty != bmp_bit_clear)
- rte_panic("Queue status mismatch for queue %u of pipe %u\n", i, pindex);
-
- if (!queue_empty)
- return 0;
- }
-
- return 1;
-}
-
static inline void
debug_check_queue_slab(struct rte_sched_port *port, uint32_t bmp_pos,
uint64_t bmp_slab)
#ifdef RTE_SCHED_COLLECT_STATS
struct rte_sched_queue_extra *qe;
#endif
- uint32_t subport, pipe, traffic_class, queue, qindex;
-
- rte_sched_port_pkt_read_tree_path(pkt, &subport, &pipe, &traffic_class, &queue);
+ uint32_t qindex = rte_mbuf_sched_queue_get(pkt);
- qindex = rte_sched_port_qindex(port, subport, pipe, traffic_class, queue);
q = port->queue + qindex;
rte_prefetch0(q);
#ifdef RTE_SCHED_COLLECT_STATS
(qlen >= qsize))) {
rte_pktmbuf_free(pkt);
#ifdef RTE_SCHED_COLLECT_STATS
- rte_sched_port_update_subport_stats_on_drop(port, qindex, pkt);
- rte_sched_port_update_queue_stats_on_drop(port, qindex, pkt);
+ 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);
#endif
return 0;
}
struct rte_sched_pipe *pipe = grinder->pipe;
struct rte_sched_pipe_profile *params = grinder->pipe_params;
uint64_t n_periods;
+ uint32_t i;
/* Subport TB */
n_periods = (port->time - subport->tb_time) / subport->tb_period;
/* Subport TCs */
if (unlikely(port->time >= subport->tc_time)) {
- subport->tc_credits[0] = subport->tc_credits_per_period[0];
- subport->tc_credits[1] = subport->tc_credits_per_period[1];
- subport->tc_credits[2] = subport->tc_credits_per_period[2];
- subport->tc_credits[3] = subport->tc_credits_per_period[3];
+ for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
+ subport->tc_credits[i] = subport->tc_credits_per_period[i];
+
subport->tc_time = port->time + subport->tc_period;
}
/* Pipe TCs */
if (unlikely(port->time >= pipe->tc_time)) {
- pipe->tc_credits[0] = params->tc_credits_per_period[0];
- pipe->tc_credits[1] = params->tc_credits_per_period[1];
- pipe->tc_credits[2] = params->tc_credits_per_period[2];
- pipe->tc_credits[3] = params->tc_credits_per_period[3];
+ for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
+ pipe->tc_credits[i] = params->tc_credits_per_period[i];
+
pipe->tc_time = port->time + params->tc_period;
}
}
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_ov_consumption_max;
+ uint32_t tc_consumption = 0, tc_ov_consumption_max;
uint32_t tc_ov_wm = subport->tc_ov_wm;
+ uint32_t i;
if (subport->tc_ov == 0)
return subport->tc_ov_wm_max;
- tc_ov_consumption[0] = subport->tc_credits_per_period[0] - subport->tc_credits[0];
- tc_ov_consumption[1] = subport->tc_credits_per_period[1] - subport->tc_credits[1];
- tc_ov_consumption[2] = subport->tc_credits_per_period[2] - subport->tc_credits[2];
- tc_ov_consumption[3] = subport->tc_credits_per_period[3] - subport->tc_credits[3];
+ 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_consumption += tc_ov_consumption[i];
+ }
+
+ tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASS_BE] =
+ subport->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[3] -
- (tc_ov_consumption[0] + tc_ov_consumption[1] + tc_ov_consumption[2]);
+ tc_ov_consumption_max =
+ subport->tc_credits_per_period[RTE_SCHED_TRAFFIC_CLASS_BE] -
+ tc_consumption;
- if (tc_ov_consumption[3] > (tc_ov_consumption_max - port->mtu)) {
+ if (tc_ov_consumption[RTE_SCHED_TRAFFIC_CLASS_BE] >
+ (tc_ov_consumption_max - port->mtu)) {
tc_ov_wm -= tc_ov_wm >> 7;
if (tc_ov_wm < subport->tc_ov_wm_min)
tc_ov_wm = subport->tc_ov_wm_min;
struct rte_sched_pipe *pipe = grinder->pipe;
struct rte_sched_pipe_profile *params = grinder->pipe_params;
uint64_t n_periods;
+ uint32_t i;
/* Subport TB */
n_periods = (port->time - subport->tb_time) / subport->tb_period;
if (unlikely(port->time >= subport->tc_time)) {
subport->tc_ov_wm = grinder_tc_ov_credits_update(port, pos);
- subport->tc_credits[0] = subport->tc_credits_per_period[0];
- subport->tc_credits[1] = subport->tc_credits_per_period[1];
- subport->tc_credits[2] = subport->tc_credits_per_period[2];
- subport->tc_credits[3] = subport->tc_credits_per_period[3];
+ for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
+ subport->tc_credits[i] = subport->tc_credits_per_period[i];
subport->tc_time = port->time + subport->tc_period;
subport->tc_ov_period_id++;
/* Pipe TCs */
if (unlikely(port->time >= pipe->tc_time)) {
- pipe->tc_credits[0] = params->tc_credits_per_period[0];
- pipe->tc_credits[1] = params->tc_credits_per_period[1];
- pipe->tc_credits[2] = params->tc_credits_per_period[2];
- pipe->tc_credits[3] = params->tc_credits_per_period[3];
+ for (i = 0; i < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; i++)
+ pipe->tc_credits[i] = params->tc_credits_per_period[i];
pipe->tc_time = port->time + params->tc_period;
}
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[] = {UINT32_MAX, UINT32_MAX, UINT32_MAX, pipe->tc_ov_credits};
- uint32_t pipe_tc_ov_mask2[] = {0, 0, 0, UINT32_MAX};
- uint32_t pipe_tc_ov_credits = pipe_tc_ov_mask1[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;
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[RTE_SCHED_TRAFFIC_CLASS_BE] = pipe->tc_ov_credits;
+ pipe_tc_ov_mask2[RTE_SCHED_TRAFFIC_CLASS_BE] = UINT32_MAX;
+ pipe_tc_ov_credits = pipe_tc_ov_mask1[tc_index];
+
/* Check pipe and subport credits */
enough_credits = (pkt_len <= subport_tb_credits) &&
(pkt_len <= subport_tc_credits) &&
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))
return 0;
/* Send packet */
port->pkts_out[port->n_pkts_out++] = pkt;
queue->qr++;
- grinder->wrr_tokens[grinder->qpos] += pkt_len * grinder->wrr_cost[grinder->qpos];
+
+ be_tc_active = (grinder->tc_index == RTE_SCHED_TRAFFIC_CLASS_BE) ? ~0x0 : 0x0;
+ grinder->wrr_tokens[grinder->qpos] +=
+ (pkt_len * grinder->wrr_cost[grinder->qpos]) & be_tc_active;
+
if (queue->qr == queue->qw) {
uint32_t qindex = grinder->qindex[grinder->qpos];
rte_bitmap_clear(port->bmp, qindex);
grinder->qmask &= ~(1 << grinder->qpos);
- grinder->wrr_mask[grinder->qpos] = 0;
+ if (be_tc_active)
+ grinder->wrr_mask[grinder->qpos] = 0;
rte_sched_port_set_queue_empty_timestamp(port, qindex);
}
return 1;
}
-#ifdef RTE_SCHED_VECTOR
+#ifdef SCHED_VECTOR_SSE4
static inline int
grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
return 1;
}
+#elif defined(SCHED_VECTOR_NEON)
+
+static inline int
+grinder_pipe_exists(struct rte_sched_port *port, uint32_t base_pipe)
+{
+ uint32x4_t index, pipes;
+ uint32_t *pos = (uint32_t *)port->grinder_base_bmp_pos;
+
+ index = vmovq_n_u32(base_pipe);
+ pipes = vld1q_u32(pos);
+ if (!vminvq_u32(veorq_u32(pipes, index)))
+ return 1;
+
+ pipes = vld1q_u32(pos + 4);
+ if (!vminvq_u32(veorq_u32(pipes, index)))
+ return 1;
+
+ return 0;
+}
+
#else
static inline int
grinder_tccache_populate(struct rte_sched_port *port, uint32_t pos, uint32_t qindex, uint16_t qmask)
{
struct rte_sched_grinder *grinder = port->grinder + pos;
- uint8_t b[4];
+ uint8_t b, i;
grinder->tccache_w = 0;
grinder->tccache_r = 0;
- b[0] = (uint8_t) (qmask & 0xF);
- b[1] = (uint8_t) ((qmask >> 4) & 0xF);
- b[2] = (uint8_t) ((qmask >> 8) & 0xF);
- b[3] = (uint8_t) ((qmask >> 12) & 0xF);
-
- grinder->tccache_qmask[grinder->tccache_w] = b[0];
- grinder->tccache_qindex[grinder->tccache_w] = qindex;
- grinder->tccache_w += (b[0] != 0);
-
- grinder->tccache_qmask[grinder->tccache_w] = b[1];
- grinder->tccache_qindex[grinder->tccache_w] = qindex + 4;
- grinder->tccache_w += (b[1] != 0);
-
- grinder->tccache_qmask[grinder->tccache_w] = b[2];
- grinder->tccache_qindex[grinder->tccache_w] = qindex + 8;
- grinder->tccache_w += (b[2] != 0);
+ for (i = 0; i < RTE_SCHED_TRAFFIC_CLASS_BE; i++) {
+ b = (uint8_t) ((qmask >> i) & 0x1);
+ grinder->tccache_qmask[grinder->tccache_w] = b;
+ grinder->tccache_qindex[grinder->tccache_w] = qindex + i;
+ grinder->tccache_w += (b != 0);
+ }
- grinder->tccache_qmask[grinder->tccache_w] = b[3];
- grinder->tccache_qindex[grinder->tccache_w] = qindex + 12;
- grinder->tccache_w += (b[3] != 0);
+ b = (uint8_t) (qmask >> (RTE_SCHED_TRAFFIC_CLASS_BE));
+ grinder->tccache_qmask[grinder->tccache_w] = b;
+ grinder->tccache_qindex[grinder->tccache_w] = qindex +
+ RTE_SCHED_TRAFFIC_CLASS_BE;
+ grinder->tccache_w += (b != 0);
}
static inline int
qbase = rte_sched_port_qbase(port, qindex);
qsize = rte_sched_port_qsize(port, qindex);
- grinder->tc_index = (qindex >> 2) & 0x3;
+ grinder->tc_index = rte_sched_port_pipe_tc(port, qindex);
grinder->qmask = grinder->tccache_qmask[grinder->tccache_r];
grinder->qsize = qsize;
- grinder->qindex[0] = qindex;
- grinder->qindex[1] = qindex + 1;
- grinder->qindex[2] = qindex + 2;
- grinder->qindex[3] = qindex + 3;
+ if (grinder->tc_index < RTE_SCHED_TRAFFIC_CLASS_BE) {
+ grinder->queue[0] = port->queue + qindex;
+ grinder->qbase[0] = qbase;
+ grinder->qindex[0] = qindex;
+ grinder->tccache_r++;
+
+ return 1;
+ }
grinder->queue[0] = port->queue + qindex;
grinder->queue[1] = port->queue + qindex + 1;
grinder->qbase[2] = qbase + 2 * qsize;
grinder->qbase[3] = qbase + 3 * qsize;
+ grinder->qindex[0] = qindex;
+ grinder->qindex[1] = qindex + 1;
+ grinder->qindex[2] = qindex + 2;
+ grinder->qindex[3] = qindex + 3;
+
grinder->tccache_r++;
return 1;
}
struct rte_sched_grinder *grinder = port->grinder + pos;
struct rte_sched_pipe *pipe = grinder->pipe;
struct rte_sched_pipe_profile *pipe_params = grinder->pipe_params;
- uint32_t tc_index = grinder->tc_index;
uint32_t qmask = grinder->qmask;
- uint32_t qindex;
- qindex = tc_index * 4;
-
- grinder->wrr_tokens[0] = ((uint16_t) pipe->wrr_tokens[qindex]) << RTE_SCHED_WRR_SHIFT;
- grinder->wrr_tokens[1] = ((uint16_t) pipe->wrr_tokens[qindex + 1]) << RTE_SCHED_WRR_SHIFT;
- grinder->wrr_tokens[2] = ((uint16_t) pipe->wrr_tokens[qindex + 2]) << RTE_SCHED_WRR_SHIFT;
- grinder->wrr_tokens[3] = ((uint16_t) pipe->wrr_tokens[qindex + 3]) << RTE_SCHED_WRR_SHIFT;
+ grinder->wrr_tokens[0] =
+ ((uint16_t) pipe->wrr_tokens[0]) << RTE_SCHED_WRR_SHIFT;
+ grinder->wrr_tokens[1] =
+ ((uint16_t) pipe->wrr_tokens[1]) << RTE_SCHED_WRR_SHIFT;
+ grinder->wrr_tokens[2] =
+ ((uint16_t) pipe->wrr_tokens[2]) << RTE_SCHED_WRR_SHIFT;
+ grinder->wrr_tokens[3] =
+ ((uint16_t) pipe->wrr_tokens[3]) << RTE_SCHED_WRR_SHIFT;
grinder->wrr_mask[0] = (qmask & 0x1) * 0xFFFF;
grinder->wrr_mask[1] = ((qmask >> 1) & 0x1) * 0xFFFF;
grinder->wrr_mask[2] = ((qmask >> 2) & 0x1) * 0xFFFF;
grinder->wrr_mask[3] = ((qmask >> 3) & 0x1) * 0xFFFF;
- grinder->wrr_cost[0] = pipe_params->wrr_cost[qindex];
- grinder->wrr_cost[1] = pipe_params->wrr_cost[qindex + 1];
- grinder->wrr_cost[2] = pipe_params->wrr_cost[qindex + 2];
- grinder->wrr_cost[3] = pipe_params->wrr_cost[qindex + 3];
+ grinder->wrr_cost[0] = pipe_params->wrr_cost[0];
+ grinder->wrr_cost[1] = pipe_params->wrr_cost[1];
+ grinder->wrr_cost[2] = pipe_params->wrr_cost[2];
+ grinder->wrr_cost[3] = pipe_params->wrr_cost[3];
}
static inline void
{
struct rte_sched_grinder *grinder = port->grinder + pos;
struct rte_sched_pipe *pipe = grinder->pipe;
- uint32_t tc_index = grinder->tc_index;
- uint32_t qindex;
-
- qindex = tc_index * 4;
- pipe->wrr_tokens[qindex] = (grinder->wrr_tokens[0] & grinder->wrr_mask[0])
- >> RTE_SCHED_WRR_SHIFT;
- pipe->wrr_tokens[qindex + 1] = (grinder->wrr_tokens[1] & grinder->wrr_mask[1])
- >> RTE_SCHED_WRR_SHIFT;
- pipe->wrr_tokens[qindex + 2] = (grinder->wrr_tokens[2] & grinder->wrr_mask[2])
- >> RTE_SCHED_WRR_SHIFT;
- pipe->wrr_tokens[qindex + 3] = (grinder->wrr_tokens[3] & grinder->wrr_mask[3])
- >> RTE_SCHED_WRR_SHIFT;
+ pipe->wrr_tokens[0] =
+ (grinder->wrr_tokens[0] & grinder->wrr_mask[0]) >>
+ RTE_SCHED_WRR_SHIFT;
+ pipe->wrr_tokens[1] =
+ (grinder->wrr_tokens[1] & grinder->wrr_mask[1]) >>
+ RTE_SCHED_WRR_SHIFT;
+ pipe->wrr_tokens[2] =
+ (grinder->wrr_tokens[2] & grinder->wrr_mask[2]) >>
+ RTE_SCHED_WRR_SHIFT;
+ pipe->wrr_tokens[3] =
+ (grinder->wrr_tokens[3] & grinder->wrr_mask[3]) >>
+ RTE_SCHED_WRR_SHIFT;
}
static inline void
grinder_prefetch_tc_queue_arrays(struct rte_sched_port *port, uint32_t pos)
{
struct rte_sched_grinder *grinder = port->grinder + pos;
- uint16_t qsize, qr[4];
+ uint16_t qsize, qr[RTE_SCHED_MAX_QUEUES_PER_TC];
qsize = grinder->qsize;
+ grinder->qpos = 0;
+
+ if (grinder->tc_index < RTE_SCHED_TRAFFIC_CLASS_BE) {
+ qr[0] = grinder->queue[0]->qr & (qsize - 1);
+
+ rte_prefetch0(grinder->qbase[0] + qr[0]);
+ return;
+ }
+
qr[0] = grinder->queue[0]->qr & (qsize - 1);
qr[1] = grinder->queue[1]->qr & (qsize - 1);
qr[2] = grinder->queue[2]->qr & (qsize - 1);
case e_GRINDER_READ_MBUF:
{
- uint32_t result = 0;
+ uint32_t wrr_active, result = 0;
result = grinder_schedule(port, pos);
+ wrr_active = (grinder->tc_index == RTE_SCHED_TRAFFIC_CLASS_BE);
+
/* Look for next packet within the same TC */
if (result && grinder->qmask) {
- grinder_wrr(port, pos);
+ if (wrr_active)
+ grinder_wrr(port, pos);
+
grinder_prefetch_mbuf(port, pos);
return 1;
}
- grinder_wrr_store(port, pos);
+
+ if (wrr_active)
+ grinder_wrr_store(port, pos);
/* Look for another active TC within same pipe */
if (grinder_next_tc(port, pos)) {
{
uint64_t cycles = rte_get_tsc_cycles();
uint64_t cycles_diff = cycles - port->time_cpu_cycles;
- double bytes_diff = ((double) cycles_diff) / port->cycles_per_byte;
+ uint64_t bytes_diff;
+
+ /* 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_bytes += (uint64_t) bytes_diff;
+ port->time_cpu_bytes += bytes_diff;
if (port->time < port->time_cpu_bytes)
port->time = port->time_cpu_bytes;
git.droids-corp.org / dpdk.git / blobdiff