343 lines
9.9 KiB
C
343 lines
9.9 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include <rte_string_fns.h>
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#include <rte_sched.h>
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#include "cfg_file.h"
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#include "main.h"
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/** when we resize a file structure, how many extra entries
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* for new sections do we add in */
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#define CFG_ALLOC_SECTION_BATCH 8
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/** when we resize a section structure, how many extra entries
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* for new entries do we add in */
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#define CFG_ALLOC_ENTRY_BATCH 16
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int
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cfg_load_port(struct rte_cfgfile *cfg, struct rte_sched_port_params *port_params)
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{
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const char *entry;
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int j;
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if (!cfg || !port_params)
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return -1;
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entry = rte_cfgfile_get_entry(cfg, "port", "frame overhead");
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if (entry)
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port_params->frame_overhead = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, "port", "number of subports per port");
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if (entry)
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port_params->n_subports_per_port = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, "port", "number of pipes per subport");
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if (entry)
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port_params->n_pipes_per_subport = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, "port", "queue sizes");
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if (entry) {
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char *next;
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for(j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
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port_params->qsize[j] = (uint16_t)strtol(entry, &next, 10);
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if (next == NULL)
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break;
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entry = next;
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}
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}
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#ifdef RTE_SCHED_RED
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for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
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char str[32];
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/* Parse WRED min thresholds */
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snprintf(str, sizeof(str), "tc %d wred min", j);
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entry = rte_cfgfile_get_entry(cfg, "red", str);
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if (entry) {
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char *next;
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int k;
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/* for each packet colour (green, yellow, red) */
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for (k = 0; k < e_RTE_METER_COLORS; k++) {
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port_params->red_params[j][k].min_th
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= (uint16_t)strtol(entry, &next, 10);
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if (next == NULL)
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break;
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entry = next;
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}
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}
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/* Parse WRED max thresholds */
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snprintf(str, sizeof(str), "tc %d wred max", j);
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entry = rte_cfgfile_get_entry(cfg, "red", str);
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if (entry) {
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char *next;
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int k;
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/* for each packet colour (green, yellow, red) */
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for (k = 0; k < e_RTE_METER_COLORS; k++) {
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port_params->red_params[j][k].max_th
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= (uint16_t)strtol(entry, &next, 10);
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if (next == NULL)
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break;
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entry = next;
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}
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}
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/* Parse WRED inverse mark probabilities */
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snprintf(str, sizeof(str), "tc %d wred inv prob", j);
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entry = rte_cfgfile_get_entry(cfg, "red", str);
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if (entry) {
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char *next;
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int k;
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/* for each packet colour (green, yellow, red) */
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for (k = 0; k < e_RTE_METER_COLORS; k++) {
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port_params->red_params[j][k].maxp_inv
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= (uint8_t)strtol(entry, &next, 10);
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if (next == NULL)
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break;
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entry = next;
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}
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}
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/* Parse WRED EWMA filter weights */
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snprintf(str, sizeof(str), "tc %d wred weight", j);
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entry = rte_cfgfile_get_entry(cfg, "red", str);
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if (entry) {
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char *next;
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int k;
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/* for each packet colour (green, yellow, red) */
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for (k = 0; k < e_RTE_METER_COLORS; k++) {
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port_params->red_params[j][k].wq_log2
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= (uint8_t)strtol(entry, &next, 10);
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if (next == NULL)
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break;
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entry = next;
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}
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}
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}
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#endif /* RTE_SCHED_RED */
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return 0;
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}
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int
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cfg_load_pipe(struct rte_cfgfile *cfg, struct rte_sched_pipe_params *pipe_params)
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{
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int i, j;
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char *next;
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const char *entry;
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int profiles;
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if (!cfg || !pipe_params)
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return -1;
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profiles = rte_cfgfile_num_sections(cfg, "pipe profile", sizeof("pipe profile") - 1);
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port_params.n_pipe_profiles = profiles;
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for (j = 0; j < profiles; j++) {
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char pipe_name[32];
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snprintf(pipe_name, sizeof(pipe_name), "pipe profile %d", j);
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entry = rte_cfgfile_get_entry(cfg, pipe_name, "tb rate");
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if (entry)
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pipe_params[j].tb_rate = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, pipe_name, "tb size");
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if (entry)
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pipe_params[j].tb_size = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc period");
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if (entry)
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pipe_params[j].tc_period = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 0 rate");
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if (entry)
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pipe_params[j].tc_rate[0] = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 1 rate");
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if (entry)
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pipe_params[j].tc_rate[1] = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 2 rate");
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if (entry)
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pipe_params[j].tc_rate[2] = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 3 rate");
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if (entry)
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pipe_params[j].tc_rate[3] = (uint32_t)atoi(entry);
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#ifdef RTE_SCHED_SUBPORT_TC_OV
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entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 3 oversubscription weight");
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if (entry)
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pipe_params[j].tc_ov_weight = (uint8_t)atoi(entry);
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#endif
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entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 0 wrr weights");
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if (entry) {
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for(i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
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pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*0 + i] =
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(uint8_t)strtol(entry, &next, 10);
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if (next == NULL)
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break;
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entry = next;
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}
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}
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entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 1 wrr weights");
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if (entry) {
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for(i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
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pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*1 + i] =
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(uint8_t)strtol(entry, &next, 10);
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if (next == NULL)
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break;
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entry = next;
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}
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}
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entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 2 wrr weights");
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if (entry) {
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for(i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
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pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*2 + i] =
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(uint8_t)strtol(entry, &next, 10);
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if (next == NULL)
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break;
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entry = next;
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}
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}
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entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 3 wrr weights");
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if (entry) {
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for(i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
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pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*3 + i] =
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(uint8_t)strtol(entry, &next, 10);
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if (next == NULL)
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break;
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entry = next;
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}
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}
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}
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return 0;
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}
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int
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cfg_load_subport(struct rte_cfgfile *cfg, struct rte_sched_subport_params *subport_params)
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{
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const char *entry;
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int i, j, k;
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if (!cfg || !subport_params)
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return -1;
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memset(app_pipe_to_profile, -1, sizeof(app_pipe_to_profile));
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for (i = 0; i < MAX_SCHED_SUBPORTS; i++) {
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char sec_name[CFG_NAME_LEN];
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snprintf(sec_name, sizeof(sec_name), "subport %d", i);
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if (rte_cfgfile_has_section(cfg, sec_name)) {
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entry = rte_cfgfile_get_entry(cfg, sec_name, "tb rate");
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if (entry)
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subport_params[i].tb_rate = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, sec_name, "tb size");
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if (entry)
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subport_params[i].tb_size = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, sec_name, "tc period");
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if (entry)
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subport_params[i].tc_period = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 0 rate");
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if (entry)
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subport_params[i].tc_rate[0] = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 1 rate");
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if (entry)
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subport_params[i].tc_rate[1] = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 2 rate");
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if (entry)
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subport_params[i].tc_rate[2] = (uint32_t)atoi(entry);
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entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 3 rate");
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if (entry)
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subport_params[i].tc_rate[3] = (uint32_t)atoi(entry);
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int n_entries = rte_cfgfile_section_num_entries(cfg, sec_name);
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struct rte_cfgfile_entry entries[n_entries];
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rte_cfgfile_section_entries(cfg, sec_name, entries, n_entries);
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for (j = 0; j < n_entries; j++) {
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if (strncmp("pipe", entries[j].name, sizeof("pipe") - 1) == 0) {
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int profile;
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char *tokens[2] = {NULL, NULL};
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int n_tokens;
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int begin, end;
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profile = atoi(entries[j].value);
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n_tokens = rte_strsplit(&entries[j].name[sizeof("pipe")],
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strnlen(entries[j].name, CFG_NAME_LEN), tokens, 2, '-');
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begin = atoi(tokens[0]);
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if (n_tokens == 2)
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end = atoi(tokens[1]);
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else
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end = begin;
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if (end >= MAX_SCHED_PIPES || begin > end)
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return -1;
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for (k = begin; k <= end; k++) {
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char profile_name[CFG_NAME_LEN];
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snprintf(profile_name, sizeof(profile_name),
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"pipe profile %d", profile);
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if (rte_cfgfile_has_section(cfg, profile_name))
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app_pipe_to_profile[i][k] = profile;
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else
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rte_exit(EXIT_FAILURE, "Wrong pipe profile %s\n",
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entries[j].value);
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}
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}
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}
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}
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}
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return 0;
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}
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