From patchwork Tue Nov 24 12:32:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ibtisam Tariq X-Patchwork-Id: 84507 X-Patchwork-Delegate: david.marchand@redhat.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 52C67A04B1; Tue, 24 Nov 2020 13:34:32 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 73295C936; Tue, 24 Nov 2020 13:33:42 +0100 (CET) Received: from mail-wm1-f67.google.com (mail-wm1-f67.google.com [209.85.128.67]) by dpdk.org (Postfix) with ESMTP id 02970C93A for ; Tue, 24 Nov 2020 13:33:39 +0100 (CET) Received: by mail-wm1-f67.google.com with SMTP id 10so2276538wml.2 for ; Tue, 24 Nov 2020 04:33:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=emumba-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=DDMJciyw5/31sRx4nEMdFPg1VyK3GBDb2NjI7QR0XTY=; b=NoyXGa/haBCmi99/n5aGkM2rusNwgDl7aJjjTcMr1SCnkvkK5+SlGO45aYBAKahwBS gTKrBt20u4+DwwshjrmbgkrlRBbAo6fa1cDcfrZ9VvOT49XrusCiNCwlaGrtGH6FINhP bht0BA/TF2t3seX1ngKBPHKX0estNgZg3DQTvEjUwoDYxTcm3lN4I1CJ9QkZWerKCB1F m5eHXCdW7wCqnn5QPzmBf3daSNKhkhRCj9HgPO4oZMwjYO9wCrKSEy1FbdY3AnFn3PHn s5YRFLO/s3gwI7TYPiHYJyYiU5Sm+0q7L3djQrnpaRcpixn8dGIl87DSeaOHadxLwVLc XNyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=DDMJciyw5/31sRx4nEMdFPg1VyK3GBDb2NjI7QR0XTY=; b=D6FxT2doMxIqCVvWlav4W4sh4scc58jDQVfegR5NbwT0C+sOKm6rittfiLgzB+Mvb6 LolnQBgWK4VZa4myNGMZcVWqH5nhuXnHBFtazGmMYGWEXnu1Aeo1wzpQBAn7ObP55y7D F/snMjVRkIBCOdBxFU/Ja7/Y7DOK2TBNPTNzwstMHB0ikQdVITF7y+4Q9FcbC0wouW6N BEReVZA/kyezSjQAEpgCZs5dlbZoI8VxO8SFxLAffS7xXtVhquAaukshUMUOham+ya8W WNJsETvqbx3cV1v/BevjTvsKP7AGc6E3nld/oRDnsD+h3UIH7fpXXqaoGEl4ZxcBQwX6 ibJQ== X-Gm-Message-State: AOAM533W7kVFDx/HI47YBo27GG6jljjwbdw/SOgm3j4ptOGR/1ROOMZa /CwkghG+IQ8OvkfNXTO3F/ZyMA== X-Google-Smtp-Source: ABdhPJw6uQzF00WWr9htb6DiAy7oA6FEOmyQ1fEvYAF6G6xeMn2jttiVAlC8+61TXnP1hzZpkfd7VA== X-Received: by 2002:a1c:7318:: with SMTP id d24mr4312522wmb.39.1606221218685; Tue, 24 Nov 2020 04:33:38 -0800 (PST) Received: from localhost.localdomain ([39.33.169.238]) by smtp.gmail.com with ESMTPSA id w3sm5409034wma.3.2020.11.24.04.33.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Nov 2020 04:33:38 -0800 (PST) From: Ibtisam Tariq To: maxime.coquelin@redhat.com, chenbo.xia@intel.com, cristian.dumitrescu@intel.com, jasvinder.singh@intel.com, john.mcnamara@intel.com, reshma.pattan@intel.com, konstantin.ananyev@intel.com, marko.kovacevic@intel.com Cc: dev@dpdk.org, Ibtisam Tariq , ian.betts@intel.com Date: Tue, 24 Nov 2020 12:32:46 +0000 Message-Id: <20201124123249.14451-4-ibtisam.tariq@emumba.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201124123249.14451-1-ibtisam.tariq@emumba.com> References: <20201124123249.14451-1-ibtisam.tariq@emumba.com> Subject: [dpdk-dev] [PATCH 4/7] examples/performance-thread/l3fwd-thread: enhance getopt_long usage X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Instead of using getopt_long return value, strcmp was used to compare the input parameters with the struct option array. This patch get rid of all those strcmp by directly binding each longopt with an int enum. This is to improve readability and consistency in all examples. Bugzilla ID: 238 Cc: ian.betts@intel.com Reported-by: David Marchand Signed-off-by: Ibtisam Tariq --- v3: * None. v2: * Remove extra indentations. * Remove extra block brackets in switch statement. * Change enum names to start with OPT_ and remove KEYWORD from enum names. v1: * enhance getopt_long usage. --- .../performance-thread/l3fwd-thread/main.c | 208 +++++++++--------- 1 file changed, 106 insertions(+), 102 deletions(-) diff --git a/examples/performance-thread/l3fwd-thread/main.c b/examples/performance-thread/l3fwd-thread/main.c index 4d82fb82e..52efe98e5 100644 --- a/examples/performance-thread/l3fwd-thread/main.c +++ b/examples/performance-thread/l3fwd-thread/main.c @@ -2864,16 +2864,28 @@ parse_eth_dest(const char *optarg) *(uint64_t *)(val_eth + portid) = dest_eth_addr[portid]; } -#define CMD_LINE_OPT_RX_CONFIG "rx" -#define CMD_LINE_OPT_TX_CONFIG "tx" -#define CMD_LINE_OPT_STAT_LCORE "stat-lcore" -#define CMD_LINE_OPT_ETH_DEST "eth-dest" -#define CMD_LINE_OPT_NO_NUMA "no-numa" -#define CMD_LINE_OPT_IPV6 "ipv6" -#define CMD_LINE_OPT_ENABLE_JUMBO "enable-jumbo" -#define CMD_LINE_OPT_HASH_ENTRY_NUM "hash-entry-num" -#define CMD_LINE_OPT_NO_LTHREADS "no-lthreads" -#define CMD_LINE_OPT_PARSE_PTYPE "parse-ptype" +enum { +#define OPT_RX_CONFIG "rx" + OPT_RX_CONFIG_NUM = 256, +#define OPT_TX_CONFIG "tx" + OPT_TX_CONFIG_NUM, +#define OPT_STAT_LCORE "stat-lcore" + OPT_STAT_LCORE_NUM, +#define OPT_ETH_DEST "eth-dest" + OPT_ETH_DEST_NUM, +#define OPT_NO_NUMA "no-numa" + OPT_NO_NUMA_NUM, +#define OPT_IPV6 "ipv6" + OPT_IPV6_NUM, +#define OPT_ENABLE_JUMBO "enable-jumbo" + OPT_ENABLE_JUMBO_NUM, +#define OPT_HASH_ENTRY_NUM "hash-entry-num" + OPT_HASH_ENTRY_NUM_NUM, +#define OPT_NO_LTHREADS "no-lthreads" + OPT_NO_LTHREADS_NUM, +#define OPT_PARSE_PTYPE "parse-ptype" + OPT_PARSE_PTYPE_NUM, +}; /* Parse the argument given in the command line of the application */ static int @@ -2884,17 +2896,17 @@ parse_args(int argc, char **argv) int option_index; char *prgname = argv[0]; static struct option lgopts[] = { - {CMD_LINE_OPT_RX_CONFIG, 1, 0, 0}, - {CMD_LINE_OPT_TX_CONFIG, 1, 0, 0}, - {CMD_LINE_OPT_STAT_LCORE, 1, 0, 0}, - {CMD_LINE_OPT_ETH_DEST, 1, 0, 0}, - {CMD_LINE_OPT_NO_NUMA, 0, 0, 0}, - {CMD_LINE_OPT_IPV6, 0, 0, 0}, - {CMD_LINE_OPT_ENABLE_JUMBO, 0, 0, 0}, - {CMD_LINE_OPT_HASH_ENTRY_NUM, 1, 0, 0}, - {CMD_LINE_OPT_NO_LTHREADS, 0, 0, 0}, - {CMD_LINE_OPT_PARSE_PTYPE, 0, 0, 0}, - {NULL, 0, 0, 0} + {OPT_RX_CONFIG, 1, NULL, OPT_RX_CONFIG_NUM }, + {OPT_TX_CONFIG, 1, NULL, OPT_TX_CONFIG_NUM }, + {OPT_STAT_LCORE, 1, NULL, OPT_STAT_LCORE_NUM }, + {OPT_ETH_DEST, 1, NULL, OPT_ETH_DEST_NUM }, + {OPT_NO_NUMA, 0, NULL, OPT_NO_NUMA_NUM }, + {OPT_IPV6, 0, NULL, OPT_IPV6_NUM }, + {OPT_ENABLE_JUMBO, 0, NULL, OPT_ENABLE_JUMBO_NUM }, + {OPT_HASH_ENTRY_NUM, 1, NULL, OPT_HASH_ENTRY_NUM_NUM }, + {OPT_NO_LTHREADS, 0, NULL, OPT_NO_LTHREADS_NUM }, + {OPT_PARSE_PTYPE, 0, NULL, OPT_PARSE_PTYPE_NUM }, + {NULL, 0, 0, 0 } }; argvopt = argv; @@ -2912,112 +2924,104 @@ parse_args(int argc, char **argv) return -1; } break; + case 'P': printf("Promiscuous mode selected\n"); promiscuous_on = 1; break; /* long options */ - case 0: - if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_RX_CONFIG, - sizeof(CMD_LINE_OPT_RX_CONFIG))) { - ret = parse_rx_config(optarg); - if (ret) { - printf("invalid rx-config\n"); - print_usage(prgname); - return -1; - } + case OPT_RX_CONFIG_NUM: + ret = parse_rx_config(optarg); + if (ret) { + printf("invalid rx-config\n"); + print_usage(prgname); + return -1; } + break; - if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_TX_CONFIG, - sizeof(CMD_LINE_OPT_TX_CONFIG))) { - ret = parse_tx_config(optarg); - if (ret) { - printf("invalid tx-config\n"); - print_usage(prgname); - return -1; - } + case OPT_TX_CONFIG_NUM: + ret = parse_tx_config(optarg); + if (ret) { + printf("invalid tx-config\n"); + print_usage(prgname); + return -1; } + break; #if (APP_CPU_LOAD > 0) - if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_STAT_LCORE, - sizeof(CMD_LINE_OPT_STAT_LCORE))) { - cpu_load_lcore_id = parse_stat_lcore(optarg); - } + case OPT_STAT_LCORE_NUM: + cpu_load_lcore_id = parse_stat_lcore(optarg); + break; #endif - if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ETH_DEST, - sizeof(CMD_LINE_OPT_ETH_DEST))) - parse_eth_dest(optarg); + case OPT_ETH_DEST_NUM: + parse_eth_dest(optarg); + break; - if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_NUMA, - sizeof(CMD_LINE_OPT_NO_NUMA))) { - printf("numa is disabled\n"); - numa_on = 0; - } + case OPT_NO_NUMA_NUM: + printf("numa is disabled\n"); + numa_on = 0; + break; #if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) - if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_IPV6, - sizeof(CMD_LINE_OPT_IPV6))) { - printf("ipv6 is specified\n"); - ipv6 = 1; - } + case OPT_IPV6_NUM: + printf("ipv6 is specified\n"); + ipv6 = 1; + break; #endif - if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_NO_LTHREADS, - sizeof(CMD_LINE_OPT_NO_LTHREADS))) { - printf("l-threads model is disabled\n"); - lthreads_on = 0; - } + case OPT_NO_LTHREADS_NUM: + printf("l-threads model is disabled\n"); + lthreads_on = 0; + break; - if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_PARSE_PTYPE, - sizeof(CMD_LINE_OPT_PARSE_PTYPE))) { - printf("software packet type parsing enabled\n"); - parse_ptype_on = 1; - } + case OPT_PARSE_PTYPE_NUM: + printf("software packet type parsing enabled\n"); + parse_ptype_on = 1; + break; - if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_ENABLE_JUMBO, - sizeof(CMD_LINE_OPT_ENABLE_JUMBO))) { - struct option lenopts = {"max-pkt-len", required_argument, 0, - 0}; - - printf("jumbo frame is enabled - disabling simple TX path\n"); - port_conf.rxmode.offloads |= - DEV_RX_OFFLOAD_JUMBO_FRAME; - port_conf.txmode.offloads |= - DEV_TX_OFFLOAD_MULTI_SEGS; - - /* if no max-pkt-len set, use the default value - * RTE_ETHER_MAX_LEN - */ - if (0 == getopt_long(argc, argvopt, "", &lenopts, - &option_index)) { - - ret = parse_max_pkt_len(optarg); - if ((ret < 64) || (ret > MAX_JUMBO_PKT_LEN)) { - printf("invalid packet length\n"); - print_usage(prgname); - return -1; - } - port_conf.rxmode.max_rx_pkt_len = ret; - } - printf("set jumbo frame max packet length to %u\n", - (unsigned int)port_conf.rxmode.max_rx_pkt_len); - } -#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) - if (!strncmp(lgopts[option_index].name, CMD_LINE_OPT_HASH_ENTRY_NUM, - sizeof(CMD_LINE_OPT_HASH_ENTRY_NUM))) { - ret = parse_hash_entry_number(optarg); - if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) { - hash_entry_number = ret; - } else { - printf("invalid hash entry number\n"); + case OPT_ENABLE_JUMBO_NUM: + { + struct option lenopts = {"max-pkt-len", + required_argument, 0, 0}; + + printf("jumbo frame is enabled - disabling simple TX path\n"); + port_conf.rxmode.offloads |= + DEV_RX_OFFLOAD_JUMBO_FRAME; + port_conf.txmode.offloads |= + DEV_TX_OFFLOAD_MULTI_SEGS; + + /* if no max-pkt-len set, use the default value + * RTE_ETHER_MAX_LEN + */ + if (0 == getopt_long(argc, argvopt, "", &lenopts, + &option_index)) { + + ret = parse_max_pkt_len(optarg); + if ((ret < 64) || (ret > MAX_JUMBO_PKT_LEN)) { + printf("invalid packet length\n"); print_usage(prgname); return -1; } + port_conf.rxmode.max_rx_pkt_len = ret; } -#endif + printf("set jumbo frame max packet length to %u\n", + (unsigned int)port_conf.rxmode.max_rx_pkt_len); break; + } +#if (APP_LOOKUP_METHOD == APP_LOOKUP_EXACT_MATCH) + case OPT_HASH_ENTRY_NUM_NUM: + ret = parse_hash_entry_number(optarg); + if ((ret > 0) && (ret <= L3FWD_HASH_ENTRIES)) { + hash_entry_number = ret; + } else { + printf("invalid hash entry number\n"); + print_usage(prgname); + return -1; + } + break; +#endif default: print_usage(prgname);