Imported Upstream version 16.04
[deb_dpdk.git] / examples / ip_pipeline / config_parse_tm.c
diff --git a/examples/ip_pipeline/config_parse_tm.c b/examples/ip_pipeline/config_parse_tm.c
new file mode 100644 (file)
index 0000000..e75eed7
--- /dev/null
@@ -0,0 +1,448 @@
+/*-
+ *   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;
+}