From patchwork Tue Nov 24 12:32:48 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ibtisam Tariq X-Patchwork-Id: 84509 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 EF566A04B1; Tue, 24 Nov 2020 13:35:10 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id B389FC928; Tue, 24 Nov 2020 13:33:52 +0100 (CET) Received: from mail-wr1-f65.google.com (mail-wr1-f65.google.com [209.85.221.65]) by dpdk.org (Postfix) with ESMTP id 39851C95E for ; Tue, 24 Nov 2020 13:33:51 +0100 (CET) Received: by mail-wr1-f65.google.com with SMTP id t4so9202859wrr.12 for ; Tue, 24 Nov 2020 04:33:51 -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=akW2/ETLLNjeAvlcApBzwsfZCn2jchXsZeMT/RWOJaU=; b=wope/fv1QoNT5hWgTYn/fxF9lrP0TNp9Ge1uNoEUP1PC2O7QGaDCKXIzIAGcJMRUug Hq9+aCLuarx8DaGMttf2JgD1JFZ8tj/M7Q5ati6hDX0QwfrDmRPJg/xz4WYjop9fmOD1 IiDqpJJlJUYuv6VkHUvNVd+E3RYhoeYqXONZSqXqxXCXCSgz2WO6w4w4RtPjMJgAK3eX EEUwyhiWMxdBLpCCGkua7MM7XJnS6rvh4UWjTiy6nrhyiTwTs6d1WuLYCJrt5cheJsgx OneagSKCzk93UvydAtoAbkWeE4OIWV+yrwfGNWC6blMcpNUNLFkuvSqdFgkzXTwEOFPn YfwA== 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=akW2/ETLLNjeAvlcApBzwsfZCn2jchXsZeMT/RWOJaU=; b=m6ld8RciHU767bUMfBZbgU9+7PhaQU9L9OrPoGLTQCWtY4kAqSU3Ss467x3LTwWLTt BDt4CrBevHhJY6aeS2CrtrzojkasgJQ3vS9Z2VdJQfBqvtvvWe+oaminSR0DJn5j86mC GDkFOHwyyLDjR75CPv+12MDXYe1ZUtozhRkE69d3iFtNOmj1vnDCt5Fw0+cHLexmxRLd XwBg+dYmvUPAyGK654GoLBfhUnaqxAnJU4Iwjk4YcSQ6c96O82iEFejci26QBYUnE6bu WsdMyDtRLiHbsJMmsQzGddHOEuHmoQwmrTXLM+j0RG5JI3oZN2WLzPXEiWzpNpJ2/qLA ebWw== X-Gm-Message-State: AOAM532K6w8sKMFsaj2QrC7SxsCVkZxY1TxyzlhjmyhLHa0jrA/oGuH6 rJ1gLVr7dL2oVlrBI3Ab/z/UAA== X-Google-Smtp-Source: ABdhPJzk2jTXx3WumsIt5iXYzx1Vkt7ArdLeaSwjCxVc93Ia1+5gUH2HllMDsyFBhMDgTqGxFz3uVQ== X-Received: by 2002:a5d:4703:: with SMTP id y3mr5043275wrq.416.1606221229869; Tue, 24 Nov 2020 04:33:49 -0800 (PST) Received: from localhost.localdomain ([39.33.169.238]) by smtp.gmail.com with ESMTPSA id w3sm5409034wma.3.2020.11.24.04.33.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Nov 2020 04:33:49 -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 , jiayu.hu@intel.com, huawei.xie@intel.com Date: Tue, 24 Nov 2020 12:32:48 +0000 Message-Id: <20201124123249.14451-6-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 6/7] examples/vhost: 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: jiayu.hu@intel.com Cc: huawei.xie@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. --- examples/vhost/main.c | 283 ++++++++++++++++++++++-------------------- 1 file changed, 150 insertions(+), 133 deletions(-) diff --git a/examples/vhost/main.c b/examples/vhost/main.c index 8d8c3038b..ce8b64035 100644 --- a/examples/vhost/main.c +++ b/examples/vhost/main.c @@ -466,6 +466,33 @@ us_vhost_usage(const char *prgname) prgname); } +enum { +#define OPT_VM2VM "vm2vm" + OPT_VM2VM_NUM = 256, +#define OPT_RX_RETRY "rx-retry" + OPT_RX_RETRY_NUM, +#define OPT_RX_RETRY_DELAY "rx-retry-delay" + OPT_RX_RETRY_DELAY_NUM, +#define OPT_RX_RETRY_NUMB "rx-retry-num" + OPT_RX_RETRY_NUMB_NUM, +#define OPT_MERGEABLE "mergeable" + OPT_MERGEABLE_NUM, +#define OPT_STATS "stats" + OPT_STATS_NUM, +#define OPT_SOCKET_FILE "socket-file" + OPT_SOCKET_FILE_NUM, +#define OPT_TX_CSUM "tx-csum" + OPT_TX_CSUM_NUM, +#define OPT_TSO "tso" + OPT_TSO_NUM, +#define OPT_CLIENT "client" +#define OPT_BUILTIN_NET_DRIVER "builtin-net-driver" +#define OPT_DMA_TYPE "dma-type" + OPT_DMA_TYPE_NUM, +#define OPT_DMAS "dmas" + OPT_DMAS_NUM, +}; + /* * Parse the arguments given in the command line of the application. */ @@ -477,19 +504,31 @@ us_vhost_parse_args(int argc, char **argv) unsigned i; const char *prgname = argv[0]; static struct option long_option[] = { - {"vm2vm", required_argument, NULL, 0}, - {"rx-retry", required_argument, NULL, 0}, - {"rx-retry-delay", required_argument, NULL, 0}, - {"rx-retry-num", required_argument, NULL, 0}, - {"mergeable", required_argument, NULL, 0}, - {"stats", required_argument, NULL, 0}, - {"socket-file", required_argument, NULL, 0}, - {"tx-csum", required_argument, NULL, 0}, - {"tso", required_argument, NULL, 0}, - {"client", no_argument, &client_mode, 1}, - {"builtin-net-driver", no_argument, &builtin_net_driver, 1}, - {"dma-type", required_argument, NULL, 0}, - {"dmas", required_argument, NULL, 0}, + {OPT_VM2VM, required_argument, + NULL, OPT_VM2VM_NUM}, + {OPT_RX_RETRY, required_argument, + NULL, OPT_RX_RETRY_NUM}, + {OPT_RX_RETRY_DELAY, required_argument, + NULL, OPT_RX_RETRY_DELAY_NUM}, + {OPT_RX_RETRY_NUMB, required_argument, + NULL, OPT_RX_RETRY_NUMB_NUM}, + {OPT_MERGEABLE, required_argument, + NULL, OPT_MERGEABLE_NUM}, + {OPT_STATS, required_argument, + NULL, OPT_STATS_NUM}, + {OPT_SOCKET_FILE, required_argument, + NULL, OPT_SOCKET_FILE_NUM}, + {OPT_TX_CSUM, required_argument, + NULL, OPT_TX_CSUM_NUM}, + {OPT_TSO, required_argument, + NULL, OPT_TSO_NUM}, + {OPT_CLIENT, no_argument, &client_mode, 1}, + {OPT_BUILTIN_NET_DRIVER, no_argument, + &builtin_net_driver, 1}, + {OPT_DMA_TYPE, required_argument, + NULL, OPT_DMA_TYPE_NUM}, + {OPT_DMAS, required_argument, + NULL, OPT_DMAS_NUM}, {NULL, 0, 0, 0}, }; @@ -512,151 +551,129 @@ us_vhost_parse_args(int argc, char **argv) vmdq_conf_default.rx_adv_conf.vmdq_rx_conf.rx_mode = ETH_VMDQ_ACCEPT_BROADCAST | ETH_VMDQ_ACCEPT_MULTICAST; - break; - case 0: - /* Enable/disable vm2vm comms. */ - if (!strncmp(long_option[option_index].name, "vm2vm", - MAX_LONG_OPT_SZ)) { - ret = parse_num_opt(optarg, (VM2VM_LAST - 1)); - if (ret == -1) { - RTE_LOG(INFO, VHOST_CONFIG, - "Invalid argument for " - "vm2vm [0|1|2]\n"); - us_vhost_usage(prgname); - return -1; - } else { - vm2vm_mode = (vm2vm_type)ret; - } + case OPT_VM2VM_NUM: + ret = parse_num_opt(optarg, (VM2VM_LAST - 1)); + if (ret == -1) { + RTE_LOG(INFO, VHOST_CONFIG, + "Invalid argument for " + "vm2vm [0|1|2]\n"); + us_vhost_usage(prgname); + return -1; } + vm2vm_mode = (vm2vm_type)ret; + break; - /* Enable/disable retries on RX. */ - if (!strncmp(long_option[option_index].name, "rx-retry", MAX_LONG_OPT_SZ)) { - ret = parse_num_opt(optarg, 1); - if (ret == -1) { - RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for rx-retry [0|1]\n"); - us_vhost_usage(prgname); - return -1; - } else { - enable_retry = ret; - } + case OPT_RX_RETRY_NUM: + ret = parse_num_opt(optarg, 1); + if (ret == -1) { + RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for rx-retry [0|1]\n"); + us_vhost_usage(prgname); + return -1; } + enable_retry = ret; + break; - /* Enable/disable TX checksum offload. */ - if (!strncmp(long_option[option_index].name, "tx-csum", MAX_LONG_OPT_SZ)) { - ret = parse_num_opt(optarg, 1); - if (ret == -1) { - RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for tx-csum [0|1]\n"); - us_vhost_usage(prgname); - return -1; - } else - enable_tx_csum = ret; + case OPT_TX_CSUM_NUM: + ret = parse_num_opt(optarg, 1); + if (ret == -1) { + RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for tx-csum [0|1]\n"); + us_vhost_usage(prgname); + return -1; } + enable_tx_csum = ret; + break; - /* Enable/disable TSO offload. */ - if (!strncmp(long_option[option_index].name, "tso", MAX_LONG_OPT_SZ)) { - ret = parse_num_opt(optarg, 1); - if (ret == -1) { - RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for tso [0|1]\n"); - us_vhost_usage(prgname); - return -1; - } else - enable_tso = ret; + case OPT_TSO_NUM: + ret = parse_num_opt(optarg, 1); + if (ret == -1) { + RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for tso [0|1]\n"); + us_vhost_usage(prgname); + return -1; } + enable_tso = ret; + break; - /* Specify the retries delay time (in useconds) on RX. */ - if (!strncmp(long_option[option_index].name, "rx-retry-delay", MAX_LONG_OPT_SZ)) { - ret = parse_num_opt(optarg, INT32_MAX); - if (ret == -1) { - RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for rx-retry-delay [0-N]\n"); - us_vhost_usage(prgname); - return -1; - } else { - burst_rx_delay_time = ret; - } + case OPT_RX_RETRY_DELAY_NUM: + ret = parse_num_opt(optarg, INT32_MAX); + if (ret == -1) { + RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for rx-retry-delay [0-N]\n"); + us_vhost_usage(prgname); + return -1; } + burst_rx_delay_time = ret; + break; - /* Specify the retries number on RX. */ - if (!strncmp(long_option[option_index].name, "rx-retry-num", MAX_LONG_OPT_SZ)) { - ret = parse_num_opt(optarg, INT32_MAX); - if (ret == -1) { - RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for rx-retry-num [0-N]\n"); - us_vhost_usage(prgname); - return -1; - } else { - burst_rx_retry_num = ret; - } + case OPT_RX_RETRY_NUMB_NUM: + ret = parse_num_opt(optarg, INT32_MAX); + if (ret == -1) { + RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for rx-retry-num [0-N]\n"); + us_vhost_usage(prgname); + return -1; } + burst_rx_retry_num = ret; + break; - /* Enable/disable RX mergeable buffers. */ - if (!strncmp(long_option[option_index].name, "mergeable", MAX_LONG_OPT_SZ)) { - ret = parse_num_opt(optarg, 1); - if (ret == -1) { - RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for mergeable [0|1]\n"); - us_vhost_usage(prgname); - return -1; - } else { - mergeable = !!ret; - if (ret) { - vmdq_conf_default.rxmode.offloads |= - DEV_RX_OFFLOAD_JUMBO_FRAME; - vmdq_conf_default.rxmode.max_rx_pkt_len - = JUMBO_FRAME_MAX_SIZE; - } - } + case OPT_MERGEABLE_NUM: + ret = parse_num_opt(optarg, 1); + if (ret == -1) { + RTE_LOG(INFO, VHOST_CONFIG, "Invalid argument for mergeable [0|1]\n"); + us_vhost_usage(prgname); + return -1; } - - /* Enable/disable stats. */ - if (!strncmp(long_option[option_index].name, "stats", MAX_LONG_OPT_SZ)) { - ret = parse_num_opt(optarg, INT32_MAX); - if (ret == -1) { - RTE_LOG(INFO, VHOST_CONFIG, - "Invalid argument for stats [0..N]\n"); - us_vhost_usage(prgname); - return -1; - } else { - enable_stats = ret; - } + mergeable = !!ret; + if (ret) { + vmdq_conf_default.rxmode.offloads |= + DEV_RX_OFFLOAD_JUMBO_FRAME; + vmdq_conf_default.rxmode.max_rx_pkt_len + = JUMBO_FRAME_MAX_SIZE; } + break; - /* Set socket file path. */ - if (!strncmp(long_option[option_index].name, - "socket-file", MAX_LONG_OPT_SZ)) { - if (us_vhost_parse_socket_path(optarg) == -1) { - RTE_LOG(INFO, VHOST_CONFIG, - "Invalid argument for socket name (Max %d characters)\n", - PATH_MAX); - us_vhost_usage(prgname); - return -1; - } + case OPT_STATS_NUM: + ret = parse_num_opt(optarg, INT32_MAX); + if (ret == -1) { + RTE_LOG(INFO, VHOST_CONFIG, + "Invalid argument for stats [0..N]\n"); + us_vhost_usage(prgname); + return -1; } + enable_stats = ret; + break; - if (!strncmp(long_option[option_index].name, - "dma-type", MAX_LONG_OPT_SZ)) { - if (strlen(optarg) >= MAX_LONG_OPT_SZ) { - RTE_LOG(INFO, VHOST_CONFIG, - "Wrong DMA type\n"); - us_vhost_usage(prgname); - return -1; - } - strcpy(dma_type, optarg); + /* Set socket file path. */ + case OPT_SOCKET_FILE_NUM: + if (us_vhost_parse_socket_path(optarg) == -1) { + RTE_LOG(INFO, VHOST_CONFIG, + "Invalid argument for socket name (Max %d characters)\n", + PATH_MAX); + us_vhost_usage(prgname); + return -1; } + break; - if (!strncmp(long_option[option_index].name, - "dmas", MAX_LONG_OPT_SZ)) { - if (open_dma(optarg) == -1) { - RTE_LOG(INFO, VHOST_CONFIG, - "Wrong DMA args\n"); - us_vhost_usage(prgname); - return -1; - } - async_vhost_driver = 1; + case OPT_DMA_TYPE_NUM: + if (strlen(optarg) >= MAX_LONG_OPT_SZ) { + RTE_LOG(INFO, VHOST_CONFIG, + "Wrong DMA type\n"); + us_vhost_usage(prgname); + return -1; } + strcpy(dma_type, optarg); + break; + case OPT_DMAS_NUM: + if (open_dma(optarg) == -1) { + RTE_LOG(INFO, VHOST_CONFIG, + "Wrong DMA args\n"); + us_vhost_usage(prgname); + return -1; + } + async_vhost_driver = 1; break; - /* Invalid option - print options. */ + /* Invalid option - print options. */ default: us_vhost_usage(prgname); return -1;