From patchwork Tue May 17 12:37:01 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fan Zhang X-Patchwork-Id: 12806 Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [IPv6:::1]) by dpdk.org (Postfix) with ESMTP id AEB8C6A68; Tue, 17 May 2016 14:37:05 +0200 (CEST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 457C368D1 for ; Tue, 17 May 2016 14:37:03 +0200 (CEST) Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga103.fm.intel.com with ESMTP; 17 May 2016 05:37:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.26,324,1459839600"; d="scan'208";a="105360569" Received: from sie-lab-212-033.ir.intel.com (HELO silpixa00383881.ir.intel.com) ([10.237.212.33]) by fmsmga004.fm.intel.com with ESMTP; 17 May 2016 05:37:01 -0700 From: Fan Zhang To: dev@dpdk.org Date: Tue, 17 May 2016 13:37:01 +0100 Message-Id: <1463488621-26820-1-git-send-email-roy.fan.zhang@intel.com> X-Mailer: git-send-email 2.5.5 Subject: [dpdk-dev] [PATCH] examples/ip_pipeline: fix NULL packet processing in source port X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch fixes the NULL packet processing problem. Originally, the write to NULL packets generated by source port will crash the ip pipeline application. This patch enforces, unless specified, a default pcap file path to be read. Fixes: 0e1e7d53 ("add pcap file source") Signed-off-by: Fan Zhang Acked-by: Cristian Dumitrescu --- examples/ip_pipeline/config_parse.c | 235 ++---------------------------------- examples/ip_pipeline/init.c | 48 +++----- 2 files changed, 24 insertions(+), 259 deletions(-) diff --git a/examples/ip_pipeline/config_parse.c b/examples/ip_pipeline/config_parse.c index e5efd03..6710ee6 100644 --- a/examples/ip_pipeline/config_parse.c +++ b/examples/ip_pipeline/config_parse.c @@ -964,154 +964,6 @@ parse_eal(struct app_params *app, } static int -parse_pipeline_pcap_source(struct app_params *app, - struct app_pipeline_params *p, - const char *file_name, const char *cp_size) -{ - const char *next = NULL; - char *end; - uint32_t i; - int parse_file = 0; - - if (file_name && !cp_size) { - next = file_name; - parse_file = 1; /* parse file path */ - } else if (cp_size && !file_name) { - next = cp_size; - parse_file = 0; /* parse copy size */ - } else - return -EINVAL; - - char name[APP_PARAM_NAME_SIZE]; - size_t name_len; - - if (p->n_pktq_in == 0) - return -EINVAL; - - i = 0; - while (*next != '\0') { - uint32_t id; - - if (i >= p->n_pktq_in) - return -EINVAL; - - id = p->pktq_in[i].id; - - end = strchr(next, ' '); - if (!end) - name_len = strlen(next); - else - name_len = end - next; - - if (name_len == 0 || name_len == sizeof(name)) - return -EINVAL; - - strncpy(name, next, name_len); - name[name_len] = '\0'; - next += name_len; - if (*next != '\0') - next++; - - if (parse_file) { - app->source_params[id].file_name = strdup(name); - if (app->source_params[id].file_name == NULL) - return -ENOMEM; - } else { - if (parser_read_uint32( - &app->source_params[id].n_bytes_per_pkt, - name) != 0) { - if (app->source_params[id]. - file_name != NULL) - free(app->source_params[id]. - file_name); - return -EINVAL; - } - } - - i++; - - if (i == p->n_pktq_in) - return 0; - } - - return -EINVAL; -} - -static int -parse_pipeline_pcap_sink(struct app_params *app, - struct app_pipeline_params *p, - const char *file_name, const char *n_pkts_to_dump) -{ - const char *next = NULL; - char *end; - uint32_t i; - int parse_file = 0; - - if (file_name && !n_pkts_to_dump) { - next = file_name; - parse_file = 1; /* parse file path */ - } else if (n_pkts_to_dump && !file_name) { - next = n_pkts_to_dump; - parse_file = 0; /* parse copy size */ - } else - return -EINVAL; - - char name[APP_PARAM_NAME_SIZE]; - size_t name_len; - - if (p->n_pktq_out == 0) - return -EINVAL; - - i = 0; - while (*next != '\0') { - uint32_t id; - - if (i >= p->n_pktq_out) - return -EINVAL; - - id = p->pktq_out[i].id; - - end = strchr(next, ' '); - if (!end) - name_len = strlen(next); - else - name_len = end - next; - - if (name_len == 0 || name_len == sizeof(name)) - return -EINVAL; - - strncpy(name, next, name_len); - name[name_len] = '\0'; - next += name_len; - if (*next != '\0') - next++; - - if (parse_file) { - app->sink_params[id].file_name = strdup(name); - if (app->sink_params[id].file_name == NULL) - return -ENOMEM; - } else { - if (parser_read_uint32( - &app->sink_params[id].n_pkts_to_dump, - name) != 0) { - if (app->sink_params[id].file_name != - NULL) - free(app->sink_params[id]. - file_name); - return -EINVAL; - } - } - - i++; - - if (i == p->n_pktq_out) - return 0; - } - - return -EINVAL; -} - -static int parse_pipeline_pktq_in(struct app_params *app, struct app_pipeline_params *p, const char *value) @@ -1466,66 +1318,6 @@ parse_pipeline(struct app_params *app, continue; } - if (strcmp(ent->name, "pcap_file_rd") == 0) { - int status; - -#ifndef RTE_PORT_PCAP - PARSE_ERROR_INVALID(0, section_name, ent->name); -#endif - - status = parse_pipeline_pcap_source(app, - param, ent->value, NULL); - - PARSE_ERROR((status == 0), section_name, - ent->name); - continue; - } - - if (strcmp(ent->name, "pcap_bytes_rd_per_pkt") == 0) { - int status; - -#ifndef RTE_PORT_PCAP - PARSE_ERROR_INVALID(0, section_name, ent->name); -#endif - - status = parse_pipeline_pcap_source(app, - param, NULL, ent->value); - - PARSE_ERROR((status == 0), section_name, - ent->name); - continue; - } - - if (strcmp(ent->name, "pcap_file_wr") == 0) { - int status; - -#ifndef RTE_PORT_PCAP - PARSE_ERROR_INVALID(0, section_name, ent->name); -#endif - - status = parse_pipeline_pcap_sink(app, param, - ent->value, NULL); - - PARSE_ERROR((status == 0), section_name, - ent->name); - continue; - } - - if (strcmp(ent->name, "pcap_n_pkt_wr") == 0) { - int status; - -#ifndef RTE_PORT_PCAP - PARSE_ERROR_INVALID(0, section_name, ent->name); -#endif - - status = parse_pipeline_pcap_sink(app, param, - NULL, ent->value); - - PARSE_ERROR((status == 0), section_name, - ent->name); - continue; - } - /* pipeline type specific items */ APP_CHECK((param->n_args < APP_MAX_PIPELINE_ARGS), "Parse error in section \"%s\": too many " @@ -2219,7 +2011,7 @@ parse_source(struct app_params *app, continue; } - if (strcmp(ent->name, "pcap_file_rd")) { + if (strcmp(ent->name, "pcap_file_rd") == 0) { PARSE_ERROR_DUPLICATE((pcap_file_present == 0), section_name, ent->name); @@ -2284,7 +2076,7 @@ parse_sink(struct app_params *app, for (i = 0; i < n_entries; i++) { struct rte_cfgfile_entry *ent = &entries[i]; - if (strcmp(ent->name, "pcap_file_wr")) { + if (strcmp(ent->name, "pcap_file_wr") == 0) { PARSE_ERROR_DUPLICATE((pcap_file_present == 0), section_name, ent->name); @@ -2295,7 +2087,7 @@ parse_sink(struct app_params *app, continue; } - if (strcmp(ent->name, "pcap_n_pkt_wr")) { + if (strcmp(ent->name, "pcap_n_pkt_wr") == 0) { int status; PARSE_ERROR_DUPLICATE((pcap_n_pkt_present == 0), @@ -2620,23 +2412,6 @@ app_config_parse(struct app_params *app, const char *file_name) APP_PARAM_COUNT(app->msgq_params, app->n_msgq); APP_PARAM_COUNT(app->pipeline_params, app->n_pipelines); -#ifdef RTE_PORT_PCAP - for (i = 0; i < (int)app->n_pktq_source; i++) { - struct app_pktq_source_params *p = &app->source_params[i]; - - APP_CHECK((p->file_name), "Parse error: missing " - "mandatory field \"pcap_file_rd\" for \"%s\"", - p->name); - } -#else - for (i = 0; i < (int)app->n_pktq_source; i++) { - struct app_pktq_source_params *p = &app->source_params[i]; - - APP_CHECK((!p->file_name), "Parse error: invalid field " - "\"pcap_file_rd\" for \"%s\"", p->name); - } -#endif - if (app->port_mask == 0) assign_link_pmd_id_from_pci_bdf(app); @@ -3156,6 +2931,10 @@ 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, diff --git a/examples/ip_pipeline/init.c b/examples/ip_pipeline/init.c index 02351f6..b7df490 100644 --- a/examples/ip_pipeline/init.c +++ b/examples/ip_pipeline/init.c @@ -1133,7 +1133,6 @@ static void app_pipeline_params_get(struct app_params *app, struct pipeline_params *p_out) { uint32_t i; - uint32_t mempool_id; snprintf(p_out->name, PIPELINE_NAME_SIZE, "%s", p_in->name); @@ -1217,25 +1216,19 @@ static void app_pipeline_params_get(struct app_params *app, out->burst_size = app->tm_params[in->id].burst_read; break; case APP_PKTQ_IN_SOURCE: - mempool_id = app->source_params[in->id].mempool_id; + { + uint32_t mempool_id = + app->source_params[in->id].mempool_id; + out->type = PIPELINE_PORT_IN_SOURCE; out->params.source.mempool = app->mempool[mempool_id]; out->burst_size = app->source_params[in->id].burst; - if (app->source_params[in->id].file_name - != NULL) { - out->params.source.file_name = strdup( - app->source_params[in->id]. - file_name); - if (out->params.source.file_name == NULL) { - out->params.source. - n_bytes_per_pkt = 0; - break; - } - out->params.source.n_bytes_per_pkt = - app->source_params[in->id]. - n_bytes_per_pkt; - } + out->params.source.file_name = + app->source_params[in->id].file_name; + out->params.source.n_bytes_per_pkt = + app->source_params[in->id].n_bytes_per_pkt; break; + } default: break; } @@ -1357,23 +1350,16 @@ static void app_pipeline_params_get(struct app_params *app, break; } case APP_PKTQ_OUT_SINK: + { out->type = PIPELINE_PORT_OUT_SINK; - if (app->sink_params[in->id].file_name != NULL) { - out->params.sink.file_name = strdup( - app->sink_params[in->id]. - file_name); - if (out->params.sink.file_name == NULL) { - out->params.sink.max_n_pkts = 0; - break; - } - out->params.sink.max_n_pkts = - app->sink_params[in->id]. - n_pkts_to_dump; - } else { - out->params.sink.file_name = NULL; - out->params.sink.max_n_pkts = 0; - } + out->params.sink.file_name = + app->sink_params[in->id].file_name; + out->params.sink.max_n_pkts = + app->sink_params[in->id]. + n_pkts_to_dump; + break; + } default: break; }