--- /dev/null
+/*-
+ * 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <rte_string_fns.h>
+#include <rte_sched.h>
+
+#include "cfg_file.h"
+#include "main.h"
+
+
+/** when we resize a file structure, how many extra entries
+ * for new sections do we add in */
+#define CFG_ALLOC_SECTION_BATCH 8
+/** when we resize a section structure, how many extra entries
+ * for new entries do we add in */
+#define CFG_ALLOC_ENTRY_BATCH 16
+
+int
+cfg_load_port(struct rte_cfgfile *cfg, struct rte_sched_port_params *port_params)
+{
+ const char *entry;
+ int j;
+
+ if (!cfg || !port_params)
+ return -1;
+
+ entry = rte_cfgfile_get_entry(cfg, "port", "frame overhead");
+ if (entry)
+ port_params->frame_overhead = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, "port", "number of subports per port");
+ if (entry)
+ port_params->n_subports_per_port = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, "port", "number of pipes per subport");
+ if (entry)
+ port_params->n_pipes_per_subport = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, "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 %d wred min", j);
+ entry = rte_cfgfile_get_entry(cfg, "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 %d wred max", j);
+ entry = rte_cfgfile_get_entry(cfg, "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 %d wred inv prob", j);
+ entry = rte_cfgfile_get_entry(cfg, "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 %d wred weight", j);
+ entry = rte_cfgfile_get_entry(cfg, "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;
+}
+
+int
+cfg_load_pipe(struct rte_cfgfile *cfg, struct rte_sched_pipe_params *pipe_params)
+{
+ int i, j;
+ char *next;
+ const char *entry;
+ int profiles;
+
+ if (!cfg || !pipe_params)
+ return -1;
+
+ profiles = rte_cfgfile_num_sections(cfg, "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 %d", j);
+
+ entry = rte_cfgfile_get_entry(cfg, pipe_name, "tb rate");
+ if (entry)
+ pipe_params[j].tb_rate = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, pipe_name, "tb size");
+ if (entry)
+ pipe_params[j].tb_size = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc period");
+ if (entry)
+ pipe_params[j].tc_period = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 0 rate");
+ if (entry)
+ pipe_params[j].tc_rate[0] = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 1 rate");
+ if (entry)
+ pipe_params[j].tc_rate[1] = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, pipe_name, "tc 2 rate");
+ if (entry)
+ pipe_params[j].tc_rate[2] = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, 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(cfg, pipe_name, "tc 3 oversubscription weight");
+ if (entry)
+ pipe_params[j].tc_ov_weight = (uint8_t)atoi(entry);
+#endif
+
+ entry = rte_cfgfile_get_entry(cfg, 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(cfg, 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(cfg, 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(cfg, 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;
+}
+
+int
+cfg_load_subport(struct rte_cfgfile *cfg, struct rte_sched_subport_params *subport_params)
+{
+ const char *entry;
+ int i, j, k;
+
+ if (!cfg || !subport_params)
+ return -1;
+
+ memset(app_pipe_to_profile, -1, sizeof(app_pipe_to_profile));
+
+ for (i = 0; i < MAX_SCHED_SUBPORTS; i++) {
+ char sec_name[CFG_NAME_LEN];
+ snprintf(sec_name, sizeof(sec_name), "subport %d", i);
+
+ if (rte_cfgfile_has_section(cfg, sec_name)) {
+ entry = rte_cfgfile_get_entry(cfg, sec_name, "tb rate");
+ if (entry)
+ subport_params[i].tb_rate = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, sec_name, "tb size");
+ if (entry)
+ subport_params[i].tb_size = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, sec_name, "tc period");
+ if (entry)
+ subport_params[i].tc_period = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 0 rate");
+ if (entry)
+ subport_params[i].tc_rate[0] = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 1 rate");
+ if (entry)
+ subport_params[i].tc_rate[1] = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, sec_name, "tc 2 rate");
+ if (entry)
+ subport_params[i].tc_rate[2] = (uint32_t)atoi(entry);
+
+ entry = rte_cfgfile_get_entry(cfg, 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(cfg, sec_name);
+ struct rte_cfgfile_entry entries[n_entries];
+
+ rte_cfgfile_section_entries(cfg, 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;
+
+ profile = atoi(entries[j].value);
+ n_tokens = rte_strsplit(&entries[j].name[sizeof("pipe")],
+ strnlen(entries[j].name, CFG_NAME_LEN), tokens, 2, '-');
+
+ begin = atoi(tokens[0]);
+ if (n_tokens == 2)
+ end = atoi(tokens[1]);
+ else
+ end = begin;
+
+ if (end >= 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 %d", profile);
+ if (rte_cfgfile_has_section(cfg, profile_name))
+ app_pipe_to_profile[i][k] = profile;
+ else
+ rte_exit(EXIT_FAILURE, "Wrong pipe profile %s\n",
+ entries[j].value);
+
+ }
+ }
+ }
+ }
+ }
+
+ return 0;
+}
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