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 61871A2EDB for ; Mon, 30 Sep 2019 09:52:49 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id B7FC84CA6; Mon, 30 Sep 2019 09:52:38 +0200 (CEST) Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 0531D4CA6 for ; Mon, 30 Sep 2019 09:52:36 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Sep 2019 00:52:36 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,565,1559545200"; d="scan'208";a="204777976" Received: from baranmx-mobl.ger.corp.intel.com ([10.103.104.83]) by fmsmga001.fm.intel.com with ESMTP; 30 Sep 2019 00:52:35 -0700 From: Marcin Baran To: dev@dpdk.org, bruce.richardson@intel.com Cc: Pawel Modrak , Marcin Baran Date: Mon, 30 Sep 2019 09:50:32 +0200 Message-Id: <20190930075034.2000-5-marcinx.baran@intel.com> X-Mailer: git-send-email 2.22.0.windows.1 In-Reply-To: <20190930075034.2000-1-marcinx.baran@intel.com> References: <20190920073714.1314-1-marcinx.baran@intel.com> <20190930075034.2000-1-marcinx.baran@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v6 4/6] examples/ioat: add two threads configuration 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" From: Pawel Modrak Added possibility to use two lcores: first for packet receiving and copying, second for packets sending. Signed-off-by: Pawel Modrak Signed-off-by: Marcin Baran --- examples/ioat/ioatfwd.c | 47 +++++++++++++++++++++++++++++++++++++---- 1 file changed, 43 insertions(+), 4 deletions(-) diff --git a/examples/ioat/ioatfwd.c b/examples/ioat/ioatfwd.c index a38b6700b..2fc0b1173 100644 --- a/examples/ioat/ioatfwd.c +++ b/examples/ioat/ioatfwd.c @@ -161,7 +161,6 @@ ioat_enqueue_packets(struct rte_mbuf **pkts, rte_mempool_put_bulk(ioat_pktmbuf_pool, (void *)&pkts_copy[i], nb_rx - i); - return ret; } @@ -264,6 +263,36 @@ ioat_tx_port(struct rxtx_port_config *tx_config) } } +/* Main rx processing loop for IOAT rawdev. */ +static void +rx_main_loop(void) +{ + uint16_t i; + uint16_t nb_ports = cfg.nb_ports; + + RTE_LOG(INFO, IOAT, "Entering main rx loop for copy on lcore %u\n", + rte_lcore_id()); + + while (!force_quit) + for (i = 0; i < nb_ports; i++) + ioat_rx_port(&cfg.ports[i]); +} + +/* Main tx processing loop for hardware copy. */ +static void +tx_main_loop(void) +{ + uint16_t i; + uint16_t nb_ports = cfg.nb_ports; + + RTE_LOG(INFO, IOAT, "Entering main tx loop for copy on lcore %u\n", + rte_lcore_id()); + + while (!force_quit) + for (i = 0; i < nb_ports; i++) + ioat_tx_port(&cfg.ports[i]); +} + /* Main rx and tx loop if only one slave lcore available */ static void rxtx_main_loop(void) @@ -288,9 +317,19 @@ static void start_forwarding_cores(void) RTE_LOG(INFO, IOAT, "Entering %s on lcore %u\n", __func__, rte_lcore_id()); - lcore_id = rte_get_next_lcore(lcore_id, true, true); - rte_eal_remote_launch((lcore_function_t *)rxtx_main_loop, - NULL, lcore_id); + if (cfg.nb_lcores == 1) { + lcore_id = rte_get_next_lcore(lcore_id, true, true); + rte_eal_remote_launch((lcore_function_t *)rxtx_main_loop, + NULL, lcore_id); + } else if (cfg.nb_lcores > 1) { + lcore_id = rte_get_next_lcore(lcore_id, true, true); + rte_eal_remote_launch((lcore_function_t *)rx_main_loop, + NULL, lcore_id); + + lcore_id = rte_get_next_lcore(lcore_id, true, true); + rte_eal_remote_launch((lcore_function_t *)tx_main_loop, NULL, + lcore_id); + } } /* Display usage */ -- 2.22.0.windows.1