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-rw-r--r--examples/ip_pipeline/config_parse_tm.c448
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diff --git a/examples/ip_pipeline/config_parse_tm.c b/examples/ip_pipeline/config_parse_tm.c
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+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2010-2015 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.
+ */
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <getopt.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <string.h>
+#include <libgen.h>
+#include <unistd.h>
+
+#include <rte_errno.h>
+#include <rte_cfgfile.h>
+#include <rte_string_fns.h>
+
+#include "app.h"
+
+static int
+tm_cfgfile_load_sched_port(
+ struct rte_cfgfile *file,
+ struct rte_sched_port_params *port_params)
+{
+ const char *entry;
+ int j;
+
+ entry = rte_cfgfile_get_entry(file, "port", "frame overhead");
+ if (entry)
+ port_params->frame_overhead = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file, "port", "mtu");
+ if (entry)
+ port_params->mtu = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file,
+ "port",
+ "number of subports per port");
+ if (entry)
+ port_params->n_subports_per_port = (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file,
+ "port",
+ "number of pipes per subport");
+ if (entry)
+ port_params->n_pipes_per_subport = (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file, "port", "queue sizes");
+ if (entry) {
+ char *next;
+
+ for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
+ port_params->qsize[j] = (uint16_t)
+ strtol(entry, &next, 10);
+ if (next == NULL)
+ break;
+ entry = next;
+ }
+ }
+
+#ifdef RTE_SCHED_RED
+ for (j = 0; j < RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE; j++) {
+ char str[32];
+
+ /* Parse WRED min thresholds */
+ snprintf(str, sizeof(str), "tc %" PRId32 " wred min", j);
+ entry = rte_cfgfile_get_entry(file, "red", str);
+ if (entry) {
+ char *next;
+ int k;
+
+ /* for each packet colour (green, yellow, red) */
+ for (k = 0; k < e_RTE_METER_COLORS; k++) {
+ port_params->red_params[j][k].min_th
+ = (uint16_t)strtol(entry, &next, 10);
+ if (next == NULL)
+ break;
+ entry = next;
+ }
+ }
+
+ /* Parse WRED max thresholds */
+ snprintf(str, sizeof(str), "tc %" PRId32 " wred max", j);
+ entry = rte_cfgfile_get_entry(file, "red", str);
+ if (entry) {
+ char *next;
+ int k;
+
+ /* for each packet colour (green, yellow, red) */
+ for (k = 0; k < e_RTE_METER_COLORS; k++) {
+ port_params->red_params[j][k].max_th
+ = (uint16_t)strtol(entry, &next, 10);
+ if (next == NULL)
+ break;
+ entry = next;
+ }
+ }
+
+ /* Parse WRED inverse mark probabilities */
+ snprintf(str, sizeof(str), "tc %" PRId32 " wred inv prob", j);
+ entry = rte_cfgfile_get_entry(file, "red", str);
+ if (entry) {
+ char *next;
+ int k;
+
+ /* for each packet colour (green, yellow, red) */
+ for (k = 0; k < e_RTE_METER_COLORS; k++) {
+ port_params->red_params[j][k].maxp_inv
+ = (uint8_t)strtol(entry, &next, 10);
+
+ if (next == NULL)
+ break;
+ entry = next;
+ }
+ }
+
+ /* Parse WRED EWMA filter weights */
+ snprintf(str, sizeof(str), "tc %" PRId32 " wred weight", j);
+ entry = rte_cfgfile_get_entry(file, "red", str);
+ if (entry) {
+ char *next;
+ int k;
+
+ /* for each packet colour (green, yellow, red) */
+ for (k = 0; k < e_RTE_METER_COLORS; k++) {
+ port_params->red_params[j][k].wq_log2
+ = (uint8_t)strtol(entry, &next, 10);
+ if (next == NULL)
+ break;
+ entry = next;
+ }
+ }
+ }
+#endif /* RTE_SCHED_RED */
+
+ return 0;
+}
+
+static int
+tm_cfgfile_load_sched_pipe(
+ struct rte_cfgfile *file,
+ struct rte_sched_port_params *port_params,
+ struct rte_sched_pipe_params *pipe_params)
+{
+ int i, j;
+ char *next;
+ const char *entry;
+ int profiles;
+
+ profiles = rte_cfgfile_num_sections(file,
+ "pipe profile", sizeof("pipe profile") - 1);
+ port_params->n_pipe_profiles = profiles;
+
+ for (j = 0; j < profiles; j++) {
+ char pipe_name[32];
+
+ snprintf(pipe_name, sizeof(pipe_name),
+ "pipe profile %" PRId32, j);
+
+ entry = rte_cfgfile_get_entry(file, pipe_name, "tb rate");
+ if (entry)
+ pipe_params[j].tb_rate = (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file, pipe_name, "tb size");
+ if (entry)
+ pipe_params[j].tb_size = (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file, pipe_name, "tc period");
+ if (entry)
+ pipe_params[j].tc_period = (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file, pipe_name, "tc 0 rate");
+ if (entry)
+ pipe_params[j].tc_rate[0] = (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file, pipe_name, "tc 1 rate");
+ if (entry)
+ pipe_params[j].tc_rate[1] = (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file, pipe_name, "tc 2 rate");
+ if (entry)
+ pipe_params[j].tc_rate[2] = (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file, pipe_name, "tc 3 rate");
+ if (entry)
+ pipe_params[j].tc_rate[3] = (uint32_t) atoi(entry);
+
+#ifdef RTE_SCHED_SUBPORT_TC_OV
+ entry = rte_cfgfile_get_entry(file, pipe_name,
+ "tc 3 oversubscription weight");
+ if (entry)
+ pipe_params[j].tc_ov_weight = (uint8_t)atoi(entry);
+#endif
+
+ entry = rte_cfgfile_get_entry(file,
+ pipe_name,
+ "tc 0 wrr weights");
+ if (entry)
+ for (i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
+ pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*0 + i] =
+ (uint8_t) strtol(entry, &next, 10);
+ if (next == NULL)
+ break;
+ entry = next;
+ }
+
+ entry = rte_cfgfile_get_entry(file, pipe_name, "tc 1 wrr weights");
+ if (entry)
+ for (i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
+ pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*1 + i] =
+ (uint8_t) strtol(entry, &next, 10);
+ if (next == NULL)
+ break;
+ entry = next;
+ }
+
+ entry = rte_cfgfile_get_entry(file, pipe_name, "tc 2 wrr weights");
+ if (entry)
+ for (i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
+ pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*2 + i] =
+ (uint8_t) strtol(entry, &next, 10);
+ if (next == NULL)
+ break;
+ entry = next;
+ }
+
+ entry = rte_cfgfile_get_entry(file, pipe_name, "tc 3 wrr weights");
+ if (entry)
+ for (i = 0; i < RTE_SCHED_QUEUES_PER_TRAFFIC_CLASS; i++) {
+ pipe_params[j].wrr_weights[RTE_SCHED_TRAFFIC_CLASSES_PER_PIPE*3 + i] =
+ (uint8_t) strtol(entry, &next, 10);
+ if (next == NULL)
+ break;
+ entry = next;
+ }
+ }
+ return 0;
+}
+
+static int
+tm_cfgfile_load_sched_subport(
+ struct rte_cfgfile *file,
+ struct rte_sched_subport_params *subport_params,
+ int *pipe_to_profile)
+{
+ const char *entry;
+ int i, j, k;
+
+ for (i = 0; i < APP_MAX_SCHED_SUBPORTS; i++) {
+ char sec_name[CFG_NAME_LEN];
+
+ snprintf(sec_name, sizeof(sec_name),
+ "subport %" PRId32, i);
+
+ if (rte_cfgfile_has_section(file, sec_name)) {
+ entry = rte_cfgfile_get_entry(file,
+ sec_name,
+ "tb rate");
+ if (entry)
+ subport_params[i].tb_rate =
+ (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file,
+ sec_name,
+ "tb size");
+ if (entry)
+ subport_params[i].tb_size =
+ (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file,
+ sec_name,
+ "tc period");
+ if (entry)
+ subport_params[i].tc_period =
+ (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file,
+ sec_name,
+ "tc 0 rate");
+ if (entry)
+ subport_params[i].tc_rate[0] =
+ (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file,
+ sec_name,
+ "tc 1 rate");
+ if (entry)
+ subport_params[i].tc_rate[1] =
+ (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file,
+ sec_name,
+ "tc 2 rate");
+ if (entry)
+ subport_params[i].tc_rate[2] =
+ (uint32_t) atoi(entry);
+
+ entry = rte_cfgfile_get_entry(file,
+ sec_name,
+ "tc 3 rate");
+ if (entry)
+ subport_params[i].tc_rate[3] =
+ (uint32_t) atoi(entry);
+
+ int n_entries = rte_cfgfile_section_num_entries(file,
+ sec_name);
+ struct rte_cfgfile_entry entries[n_entries];
+
+ rte_cfgfile_section_entries(file,
+ sec_name,
+ entries,
+ n_entries);
+
+ for (j = 0; j < n_entries; j++)
+ if (strncmp("pipe",
+ entries[j].name,
+ sizeof("pipe") - 1) == 0) {
+ int profile;
+ char *tokens[2] = {NULL, NULL};
+ int n_tokens;
+ int begin, end;
+ char name[CFG_NAME_LEN + 1];
+
+ profile = atoi(entries[j].value);
+ strncpy(name,
+ entries[j].name,
+ sizeof(name));
+ n_tokens = rte_strsplit(
+ &name[sizeof("pipe")],
+ strnlen(name, CFG_NAME_LEN),
+ tokens, 2, '-');
+
+ begin = atoi(tokens[0]);
+ if (n_tokens == 2)
+ end = atoi(tokens[1]);
+ else
+ end = begin;
+
+ if ((end >= APP_MAX_SCHED_PIPES) ||
+ (begin > end))
+ return -1;
+
+ for (k = begin; k <= end; k++) {
+ char profile_name[CFG_NAME_LEN];
+
+ snprintf(profile_name,
+ sizeof(profile_name),
+ "pipe profile %" PRId32,
+ profile);
+ if (rte_cfgfile_has_section(file, profile_name))
+ pipe_to_profile[i * APP_MAX_SCHED_PIPES + k] = profile;
+ else
+ rte_exit(EXIT_FAILURE,
+ "Wrong pipe profile %s\n",
+ entries[j].value);
+ }
+ }
+ }
+ }
+
+ return 0;
+}
+
+static int
+tm_cfgfile_load(struct app_pktq_tm_params *tm)
+{
+ struct rte_cfgfile *file;
+ uint32_t i;
+
+ memset(tm->sched_subport_params, 0, sizeof(tm->sched_subport_params));
+ memset(tm->sched_pipe_profiles, 0, sizeof(tm->sched_pipe_profiles));
+ memset(&tm->sched_port_params, 0, sizeof(tm->sched_port_params));
+ for (i = 0; i < APP_MAX_SCHED_SUBPORTS * APP_MAX_SCHED_PIPES; i++)
+ tm->sched_pipe_to_profile[i] = -1;
+
+ tm->sched_port_params.pipe_profiles = &tm->sched_pipe_profiles[0];
+
+ if (tm->file_name[0] == '\0')
+ return -1;
+
+ file = rte_cfgfile_load(tm->file_name, 0);
+ if (file == NULL)
+ return -1;
+
+ tm_cfgfile_load_sched_port(file,
+ &tm->sched_port_params);
+ tm_cfgfile_load_sched_subport(file,
+ tm->sched_subport_params,
+ tm->sched_pipe_to_profile);
+ tm_cfgfile_load_sched_pipe(file,
+ &tm->sched_port_params,
+ tm->sched_pipe_profiles);
+
+ rte_cfgfile_close(file);
+ return 0;
+}
+
+int
+app_config_parse_tm(struct app_params *app)
+{
+ uint32_t i;
+
+ for (i = 0; i < RTE_DIM(app->tm_params); i++) {
+ struct app_pktq_tm_params *p = &app->tm_params[i];
+ int status;
+
+ if (!APP_PARAM_VALID(p))
+ break;
+
+ status = tm_cfgfile_load(p);
+ APP_CHECK(status == 0,
+ "Parse error for %s configuration file \"%s\"\n",
+ p->name,
+ p->file_name);
+ }
+
+ return 0;
+}