From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by dpdk.org (Postfix) with ESMTP id A178A567F for ; Tue, 2 May 2017 11:36:37 +0200 (CEST) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 02 May 2017 02:36:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.37,404,1488873600"; d="scan'208";a="1163483226" Received: from yliu-dev.sh.intel.com ([10.239.67.162]) by fmsmga002.fm.intel.com with ESMTP; 02 May 2017 02:36:36 -0700 From: Yuanhan Liu To: Jingjing Wu Cc: Yuanhan Liu , dpdk stable Date: Tue, 2 May 2017 17:32:22 +0800 Message-Id: <1493717548-12434-21-git-send-email-yuanhan.liu@linux.intel.com> X-Mailer: git-send-email 1.9.0 In-Reply-To: <1493717548-12434-1-git-send-email-yuanhan.liu@linux.intel.com> References: <1493717548-12434-1-git-send-email-yuanhan.liu@linux.intel.com> Subject: [dpdk-stable] patch 'examples/l3fwd-power: fix handling no Rx queue' has been queued to LTS release 16.11.2 X-BeenThere: stable@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches for DPDK stable branches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 02 May 2017 09:36:38 -0000 Hi, FYI, your patch has been queued to LTS release 16.11.2 Note it hasn't been pushed to http://dpdk.org/browse/dpdk-stable yet. It will be pushed if I get no objections before 05/07/17. So please shout if anyone has objections. Thanks. --yliu --- >>From f201b083c0d5f3ecc6be365772d1cfdcb74f4b34 Mon Sep 17 00:00:00 2001 From: Jingjing Wu Date: Fri, 28 Apr 2017 18:47:44 +0800 Subject: [PATCH] examples/l3fwd-power: fix handling no Rx queue [ upstream commit ddc554ad284eed63d6333c28d06b6b0b8e8e75d3 ] If the number of rx queues is zero, it is meaningless to enable rx interrupt. This patch fixes it. Fixes: aee3bc79cc34 ("examples/l3fwd-power: enable one-shot Rx interrupt and polling switch") Signed-off-by: Jingjing Wu --- examples/l3fwd-power/main.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/examples/l3fwd-power/main.c b/examples/l3fwd-power/main.c index b65d683..f9a8c52 100644 --- a/examples/l3fwd-power/main.c +++ b/examples/l3fwd-power/main.c @@ -1545,6 +1545,7 @@ main(int argc, char **argv) uint32_t n_tx_queue, nb_lcores; uint32_t dev_rxq_num, dev_txq_num; uint8_t portid, nb_rx_queue, queue, socketid; + uint16_t org_rxq_intr = port_conf.intr_conf.rxq; /* catch SIGINT and restore cpufreq governor to ondemand */ signal(SIGINT, signal_exit_now); @@ -1605,8 +1606,13 @@ main(int argc, char **argv) n_tx_queue = dev_txq_num; printf("Creating queues: nb_rxq=%d nb_txq=%u... ", nb_rx_queue, (unsigned)n_tx_queue ); + /* If number of Rx queue is 0, no need to enable Rx interrupt */ + if (nb_rx_queue == 0) + port_conf.intr_conf.rxq = 0; ret = rte_eth_dev_configure(portid, nb_rx_queue, (uint16_t)n_tx_queue, &port_conf); + /* Revert to original value */ + port_conf.intr_conf.rxq = org_rxq_intr; if (ret < 0) rte_exit(EXIT_FAILURE, "Cannot configure device: " "err=%d, port=%d\n", ret, portid); -- 1.9.0