From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 8F7F5A00C5; Mon, 11 May 2020 13:33:36 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id DDC891BFDC; Mon, 11 May 2020 13:33:35 +0200 (CEST) Received: from mail-lf1-f65.google.com (mail-lf1-f65.google.com [209.85.167.65]) by dpdk.org (Postfix) with ESMTP id ACBC31BFDB for ; Mon, 11 May 2020 13:33:34 +0200 (CEST) Received: by mail-lf1-f65.google.com with SMTP id d22so1154030lfm.11 for ; Mon, 11 May 2020 04:33:34 -0700 (PDT) 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; bh=omECRmEkmkWBfSEtmUDZvJcI/eYqu7HX254Nftmdzyk=; b=al9bKitbOfGDf1s07VDkOUaYPzXnnnBHwmVzjEDDUgJcVimTx2x10zoWuMR9V99BSq 72uOLPQrBOj5+uZXgz5ilxpXV1fDz+D+KiLbEP2bzIGVVysorrMqpA7iqB1IvtGHBKV6 6/zu84UQdLcBL1GaJNLpTHPA6ZcPyastyRVqtOvNeNLeyPPQ/xMM/N6AYvu1A2cxLNP6 0BjxFxWoKH/177E+KERoPkEB8eDgttofdUqd58dmewFeWvvXXwcXTDS7RL4g3Gihdsq4 QbeV6myZsEt+M0xohU05oPk9Fjl3hD2u8bL7ImtSbuw7E9qaXJXaPAnCEQTP7YSoKewi Y9rg== 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; bh=omECRmEkmkWBfSEtmUDZvJcI/eYqu7HX254Nftmdzyk=; b=Li+jHkU/up+YDnYfNfXjcZ7p0RzxbOH91/uCHzME+x2Yzvv7NJZuDqx1PEbwxBFU8G hU8imtfd+QJsufQWkjFq2pXyBo1V89LzjGul9ZWWl+z3DSCpFu1Bdm5xFkiZjbTzIiNC B/ZdJMZa5a/Ha5NGjFmNtRwEVSV7lS1LKVVUq+WoLeBlDNNm7BQBrH0lpWaZ2PjB+ogC pChnAGsUscGHUyfC1pIE23IKiRR5Zj3CDHY9SF37s5WG+sm4+/qCEoR9Nmm5nEPjn2z9 HfJdUE/IBfiqTOCDffmeAv4tO2+ggszAPPoqEO/X+47c9sY16OlKvqu6EoWMB3RYZfCd WE9A== X-Gm-Message-State: AOAM532ZCyc4WTWTqV1CtQG9Bbo5bZEPcus38+vkdk2opqNaIEU0BRBs OlShufbRuIHGz2K22kXa6eQD4w== X-Google-Smtp-Source: ABdhPJwX8eQDZxnSZuofTLEEdrbZEq1yKy/c+yD+wOUG+N16ZPuvh8/xbjhoInNbhci4T6XH6ZWetA== X-Received: by 2002:ac2:4d91:: with SMTP id g17mr10798333lfe.162.1589196814005; Mon, 11 May 2020 04:33:34 -0700 (PDT) Received: from localhost.localdomain ([111.119.188.31]) by smtp.gmail.com with ESMTPSA id e16sm11930323lfc.63.2020.05.11.04.33.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 May 2020 04:33:33 -0700 (PDT) From: Muhammad Bilal To: bruce.richardson@intel.com Cc: dev@dpdk.org, Muhammad Bilal , stable@dpdk.org, vipin.varghese@intel.com, jgrajcia@cisco.com Date: Mon, 11 May 2020 16:28:31 +0500 Message-Id: <20200511112831.25549-1-m.bilal@emumba.com> X-Mailer: git-send-email 2.17.1 Subject: [dpdk-dev] [PATCH] examples/l2fwd/main.c: free resources in case of error 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" Bugzilla ID: 437 Cc: dev@dpdk.org Cc: stable@dpdk.org Cc: bruce.richardson@intel.com Cc: vipin.varghese@intel.com Cc: jgrajcia@cisco.com Signed-off-by: Muhammad Bilal --- examples/l2fwd/main.c | 72 ++++++++++++++++++++++++++++++++++--------- 1 file changed, 57 insertions(+), 15 deletions(-) diff --git a/examples/l2fwd/main.c b/examples/l2fwd/main.c index 88ddfe589..dbaa457e2 100644 --- a/examples/l2fwd/main.c +++ b/examples/l2fwd/main.c @@ -517,6 +517,17 @@ signal_handler(int signum) } } +static void +stop_and_close_eth_dev(uint16_t portid) +{ + RTE_ETH_FOREACH_DEV(portid) { + printf("Closing port %d...", portid); + rte_eth_dev_stop(portid); + rte_eth_dev_close(portid); + printf(" Done\n"); + } +} + int main(int argc, char **argv) { @@ -543,8 +554,10 @@ main(int argc, char **argv) /* parse application arguments (after the EAL ones) */ ret = l2fwd_parse_args(argc, argv); - if (ret < 0) + if (ret < 0) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "Invalid L2FWD arguments\n"); + } printf("MAC updating %s\n", mac_updating ? "enabled" : "disabled"); @@ -552,13 +565,17 @@ main(int argc, char **argv) timer_period *= rte_get_timer_hz(); nb_ports = rte_eth_dev_count_avail(); - if (nb_ports == 0) + if (nb_ports == 0) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "No Ethernet ports - bye\n"); + } /* check port mask to possible port mask */ - if (l2fwd_enabled_port_mask & ~((1 << nb_ports) - 1)) + if (l2fwd_enabled_port_mask & ~((1 << nb_ports) - 1)) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "Invalid portmask; possible (0x%x)\n", (1 << nb_ports) - 1); + } /* reset l2fwd_dst_ports */ for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) @@ -601,8 +618,10 @@ main(int argc, char **argv) lcore_queue_conf[rx_lcore_id].n_rx_port == l2fwd_rx_queue_per_lcore) { rx_lcore_id++; - if (rx_lcore_id >= RTE_MAX_LCORE) + if (rx_lcore_id >= RTE_MAX_LCORE) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "Not enough cores\n"); + } } if (qconf != &lcore_queue_conf[rx_lcore_id]) { @@ -623,8 +642,10 @@ main(int argc, char **argv) l2fwd_pktmbuf_pool = rte_pktmbuf_pool_create("mbuf_pool", nb_mbufs, MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id()); - if (l2fwd_pktmbuf_pool == NULL) + if (l2fwd_pktmbuf_pool == NULL) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "Cannot init mbuf pool\n"); + } /* Initialise each port */ RTE_ETH_FOREACH_DEV(portid) { @@ -645,32 +666,40 @@ main(int argc, char **argv) fflush(stdout); ret = rte_eth_dev_info_get(portid, &dev_info); - if (ret != 0) + if (ret != 0) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "Error during getting device (port %u) info: %s\n", portid, strerror(-ret)); + } if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) local_port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MBUF_FAST_FREE; ret = rte_eth_dev_configure(portid, 1, 1, &local_port_conf); - if (ret < 0) + if (ret < 0) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "Cannot configure device: err=%d, port=%u\n", ret, portid); + } ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd); - if (ret < 0) + if (ret < 0) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "Cannot adjust number of descriptors: err=%d, port=%u\n", ret, portid); + } ret = rte_eth_macaddr_get(portid, &l2fwd_ports_eth_addr[portid]); - if (ret < 0) + if (ret < 0) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "Cannot get MAC address: err=%d, port=%u\n", ret, portid); + } /* init one RX queue */ fflush(stdout); @@ -680,9 +709,11 @@ main(int argc, char **argv) rte_eth_dev_socket_id(portid), &rxq_conf, l2fwd_pktmbuf_pool); - if (ret < 0) + if (ret < 0) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "rte_eth_rx_queue_setup:err=%d, port=%u\n", ret, portid); + } /* init one TX queue on each port */ fflush(stdout); @@ -691,27 +722,33 @@ main(int argc, char **argv) ret = rte_eth_tx_queue_setup(portid, 0, nb_txd, rte_eth_dev_socket_id(portid), &txq_conf); - if (ret < 0) + if (ret < 0) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup:err=%d, port=%u\n", ret, portid); + } /* Initialize TX buffers */ tx_buffer[portid] = rte_zmalloc_socket("tx_buffer", RTE_ETH_TX_BUFFER_SIZE(MAX_PKT_BURST), 0, rte_eth_dev_socket_id(portid)); - if (tx_buffer[portid] == NULL) + if (tx_buffer[portid] == NULL) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "Cannot allocate buffer for tx on port %u\n", portid); + } rte_eth_tx_buffer_init(tx_buffer[portid], MAX_PKT_BURST); ret = rte_eth_tx_buffer_set_err_callback(tx_buffer[portid], rte_eth_tx_buffer_count_callback, &port_statistics[portid].dropped); - if (ret < 0) + if (ret < 0) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "Cannot set error callback for tx buffer on port %u\n", portid); + } ret = rte_eth_dev_set_ptypes(portid, RTE_PTYPE_UNKNOWN, NULL, 0); @@ -720,17 +757,21 @@ main(int argc, char **argv) portid); /* Start device */ ret = rte_eth_dev_start(portid); - if (ret < 0) + if (ret < 0) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "rte_eth_dev_start:err=%d, port=%u\n", ret, portid); + } printf("done: \n"); ret = rte_eth_promiscuous_enable(portid); - if (ret != 0) + if (ret != 0) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "rte_eth_promiscuous_enable:err=%s, port=%u\n", rte_strerror(-ret), portid); + } printf("Port %u, MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n\n", portid, @@ -746,6 +787,7 @@ main(int argc, char **argv) } if (!nb_ports_available) { + stop_and_close_eth_dev(portid); rte_exit(EXIT_FAILURE, "All available ports are disabled. Please set portmask.\n"); } -- 2.17.1