Imported Upstream version 16.11
[deb_dpdk.git] / examples / ip_pipeline / config_parse.c
index 8fe8157..8b372e9 100644 (file)
@@ -189,6 +189,15 @@ struct app_pktq_tm_params default_tm_params = {
        .burst_write = 32,
 };
 
+struct app_pktq_tap_params default_tap_params = {
+       .parsed = 0,
+       .burst_read = 32,
+       .burst_write = 32,
+       .dropless = 0,
+       .n_retries = 0,
+       .mempool_id = 0,
+};
+
 struct app_pktq_kni_params default_kni_params = {
        .parsed = 0,
        .socket_id = 0,
@@ -207,7 +216,7 @@ struct app_pktq_source_params default_source_params = {
        .parsed = 0,
        .mempool_id = 0,
        .burst = 32,
-       .file_name = NULL,
+       .file_name = "./config/packets.pcap",
        .n_bytes_per_pkt = 0,
 };
 
@@ -852,6 +861,9 @@ parse_pipeline_pktq_in(struct app_params *app,
                        type = APP_PKTQ_IN_TM;
                        id = APP_PARAM_ADD(app->tm_params, name);
                        APP_PARAM_ADD_LINK_FOR_TM(app, name);
+               } else if (validate_name(name, "TAP", 1) == 0) {
+                       type = APP_PKTQ_IN_TAP;
+                       id = APP_PARAM_ADD(app->tap_params, name);
                } else if (validate_name(name, "KNI", 1) == 0) {
                        type = APP_PKTQ_IN_KNI;
                        id = APP_PARAM_ADD(app->kni_params, name);
@@ -901,6 +913,9 @@ parse_pipeline_pktq_out(struct app_params *app,
                        type = APP_PKTQ_OUT_TM;
                        id = APP_PARAM_ADD(app->tm_params, name);
                        APP_PARAM_ADD_LINK_FOR_TM(app, name);
+               } else if (validate_name(name, "TAP", 1) == 0) {
+                       type = APP_PKTQ_OUT_TAP;
+                       id = APP_PARAM_ADD(app->tap_params, name);
                } else if (validate_name(name, "KNI", 1) == 0) {
                        type = APP_PKTQ_OUT_KNI;
                        id = APP_PARAM_ADD(app->kni_params, name);
@@ -1895,6 +1910,88 @@ parse_tm(struct app_params *app,
        free(entries);
 }
 
+static void
+parse_tap(struct app_params *app,
+       const char *section_name,
+       struct rte_cfgfile *cfg)
+{
+       struct app_pktq_tap_params *param;
+       struct rte_cfgfile_entry *entries;
+       int n_entries, i;
+       ssize_t param_idx;
+
+       n_entries = rte_cfgfile_section_num_entries(cfg, section_name);
+       PARSE_ERROR_SECTION_NO_ENTRIES((n_entries > 0), section_name);
+
+       entries = malloc(n_entries * sizeof(struct rte_cfgfile_entry));
+       PARSE_ERROR_MALLOC(entries != NULL);
+
+       rte_cfgfile_section_entries(cfg, section_name, entries, n_entries);
+
+       param_idx = APP_PARAM_ADD(app->tap_params, section_name);
+       param = &app->tap_params[param_idx];
+       PARSE_CHECK_DUPLICATE_SECTION(param);
+
+       for (i = 0; i < n_entries; i++) {
+               struct rte_cfgfile_entry *ent = &entries[i];
+
+               if (strcmp(ent->name, "burst_read") == 0) {
+                       int status = parser_read_uint32(
+                               &param->burst_read, ent->value);
+
+                       PARSE_ERROR((status == 0), section_name,
+                               ent->name);
+                       continue;
+               }
+
+               if (strcmp(ent->name, "burst_write") == 0) {
+                       int status = parser_read_uint32(
+                               &param->burst_write, ent->value);
+
+                       PARSE_ERROR((status == 0), section_name,
+                               ent->name);
+                       continue;
+               }
+
+               if (strcmp(ent->name, "dropless") == 0) {
+                       int status = parser_read_arg_bool(ent->value);
+
+                       PARSE_ERROR((status != -EINVAL), section_name,
+                               ent->name);
+                       param->dropless = status;
+                       continue;
+               }
+
+               if (strcmp(ent->name, "n_retries") == 0) {
+                       int status = parser_read_uint64(&param->n_retries,
+                               ent->value);
+
+                       PARSE_ERROR((status == 0), section_name,
+                               ent->name);
+                       continue;
+               }
+
+               if (strcmp(ent->name, "mempool") == 0) {
+                       int status = validate_name(ent->value,
+                               "MEMPOOL", 1);
+                       ssize_t idx;
+
+                       PARSE_ERROR((status == 0), section_name,
+                               ent->name);
+
+                       idx = APP_PARAM_ADD(app->mempool_params, ent->value);
+                       param->mempool_id = idx;
+
+                       continue;
+               }
+
+               /* unrecognized */
+               PARSE_ERROR_INVALID(0, section_name, ent->name);
+       }
+
+       free(entries);
+}
+
 static void
 parse_kni(struct app_params *app,
                  const char *section_name,
@@ -2286,6 +2383,7 @@ static const struct config_section cfg_file_scheme[] = {
        {"TXQ", 2, parse_txq},
        {"SWQ", 1, parse_swq},
        {"TM", 1, parse_tm},
+       {"TAP", 1, parse_tap},
        {"KNI", 1, parse_kni},
        {"SOURCE", 1, parse_source},
        {"SINK", 1, parse_sink},
@@ -2425,6 +2523,7 @@ app_config_parse(struct app_params *app, const char *file_name)
        APP_PARAM_COUNT(app->hwq_out_params, app->n_pktq_hwq_out);
        APP_PARAM_COUNT(app->swq_params, app->n_pktq_swq);
        APP_PARAM_COUNT(app->tm_params, app->n_pktq_tm);
+       APP_PARAM_COUNT(app->tap_params, app->n_pktq_tap);
        APP_PARAM_COUNT(app->kni_params, app->n_pktq_kni);
        APP_PARAM_COUNT(app->source_params, app->n_pktq_source);
        APP_PARAM_COUNT(app->sink_params, app->n_pktq_sink);
@@ -2788,6 +2887,30 @@ save_tm_params(struct app_params *app, FILE *f)
        }
 }
 
+static void
+save_tap_params(struct app_params *app, FILE *f)
+{
+       struct app_pktq_tap_params *p;
+       size_t i, count;
+
+       count = RTE_DIM(app->tap_params);
+       for (i = 0; i < count; i++) {
+               p = &app->tap_params[i];
+               if (!APP_PARAM_VALID(p))
+                       continue;
+
+               fprintf(f, "[%s]\n", p->name);
+               fprintf(f, "%s = %" PRIu32 "\n", "burst_read", p->burst_read);
+               fprintf(f, "%s = %" PRIu32 "\n", "burst_write", p->burst_write);
+               fprintf(f, "%s = %s\n", "dropless", p->dropless ? "yes" : "no");
+               fprintf(f, "%s = %" PRIu64 "\n", "n_retries", p->n_retries);
+               fprintf(f, "%s = %s\n", "mempool",
+                       app->mempool_params[p->mempool_id].name);
+
+               fputc('\n', f);
+       }
+}
+
 static void
 save_kni_params(struct app_params *app, FILE *f)
 {
@@ -2942,6 +3065,9 @@ save_pipeline_params(struct app_params *app, FILE *f)
                                case APP_PKTQ_IN_TM:
                                        name = app->tm_params[pp->id].name;
                                        break;
+                               case APP_PKTQ_IN_TAP:
+                                       name = app->tap_params[pp->id].name;
+                                       break;
                                case APP_PKTQ_IN_KNI:
                                        name = app->kni_params[pp->id].name;
                                        break;
@@ -2979,6 +3105,9 @@ save_pipeline_params(struct app_params *app, FILE *f)
                                case APP_PKTQ_OUT_TM:
                                        name = app->tm_params[pp->id].name;
                                        break;
+                               case APP_PKTQ_OUT_TAP:
+                                       name = app->tap_params[pp->id].name;
+                                       break;
                                case APP_PKTQ_OUT_KNI:
                                        name = app->kni_params[pp->id].name;
                                        break;
@@ -3067,6 +3196,7 @@ app_config_save(struct app_params *app, const char *file_name)
        save_txq_params(app, file);
        save_swq_params(app, file);
        save_tm_params(app, file);
+       save_tap_params(app, file);
        save_kni_params(app, file);
        save_source_params(app, file);
        save_sink_params(app, file);
@@ -3083,10 +3213,6 @@ app_config_init(struct app_params *app)
 
        memcpy(app, &app_params_default, sizeof(struct app_params));
 
-       /* configure default_source_params */
-       default_source_params.file_name = strdup("./config/packets.pcap");
-       PARSE_ERROR_MALLOC(default_source_params.file_name != NULL);
-
        for (i = 0; i < RTE_DIM(app->mempool_params); i++)
                memcpy(&app->mempool_params[i],
                        &mempool_params_default,
@@ -3117,6 +3243,11 @@ app_config_init(struct app_params *app)
                        &default_tm_params,
                        sizeof(default_tm_params));
 
+       for (i = 0; i < RTE_DIM(app->tap_params); i++)
+               memcpy(&app->tap_params[i],
+                       &default_tap_params,
+                       sizeof(default_tap_params));
+
        for (i = 0; i < RTE_DIM(app->kni_params); i++)
                memcpy(&app->kni_params[i],
                           &default_kni_params,