From patchwork Mon Dec 11 03:22:52 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Peng, Yuan" X-Patchwork-Id: 32060 X-Patchwork-Delegate: helin.zhang@intel.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id B018D2C4F; Mon, 11 Dec 2017 04:22:57 +0100 (CET) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id 9C63F1D7 for ; Mon, 11 Dec 2017 04:22:56 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 10 Dec 2017 19:22:55 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,391,1508828400"; d="scan'208";a="185519518" Received: from fmsmsx103.amr.corp.intel.com ([10.18.124.201]) by fmsmga005.fm.intel.com with ESMTP; 10 Dec 2017 19:22:55 -0800 Received: from fmsmsx114.amr.corp.intel.com (10.18.116.8) by FMSMSX103.amr.corp.intel.com (10.18.124.201) with Microsoft SMTP Server (TLS) id 14.3.319.2; Sun, 10 Dec 2017 19:22:54 -0800 Received: from shsmsx151.ccr.corp.intel.com (10.239.6.50) by FMSMSX114.amr.corp.intel.com (10.18.116.8) with Microsoft SMTP Server (TLS) id 14.3.319.2; Sun, 10 Dec 2017 19:22:54 -0800 Received: from shsmsx103.ccr.corp.intel.com ([169.254.4.213]) by SHSMSX151.ccr.corp.intel.com ([169.254.3.218]) with mapi id 14.03.0319.002; Mon, 11 Dec 2017 11:22:52 +0800 From: "Peng, Yuan" To: "Wu, Yanglong" , "dev@dpdk.org" CC: "Wu, Yanglong" Thread-Topic: [dpdk-dev] [PATCH] net/i40e: i40e support mac loopback Thread-Index: AQHTYbTqfr53BDBBxUChsUMyYbhN0KM9mWKQ Date: Mon, 11 Dec 2017 03:22:52 +0000 Message-ID: <67D543A150B29E4CAAE53918F64EDAEA3746085B@SHSMSX103.ccr.corp.intel.com> References: <20171120040531.152695-1-yanglong.wu@intel.com> In-Reply-To: <20171120040531.152695-1-yanglong.wu@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: dlp-product: dlpe-windows dlp-version: 11.0.0.116 dlp-reaction: no-action x-originating-ip: [10.239.127.40] MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH] net/i40e: i40e support mac loopback 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" Tested-by: Peng,Yuan - Tested Branch: dpdk master dpdk-17.11-rc1 - Tested Commit: 87607f45bdecc31c33e9b7666b918dc685a10093 - OS: 4.4.0-62-generic - GCC: gcc (Ubuntu 5.4.0-6ubuntu1~16.04.4) 5.4.0 20160609 - CPU: Intel(R) Xeon(R) CPU E5-2699 v4 @ 2.20GHz - NIC: Intel Corporation Ethernet Controller XL710 for 40GbE QSFP+ [8086:1583] - Default x86_64-native-linuxapp-gcc configuration - Prerequisites: - Total 2cases, 2passed, 0 failed - Prerequisites command / instruction: Two 40Gb Ethernet ports of the DUT are directly connected and link is up. - Case: Case1: loopback mode enable loopback mode: In dpdk/test/test/test_pmd_perf.c set:: .lpbk_mode=1 #define MAX_TRAFFIC_BURST 32 then make test start test:: ./test/test/test -c f -n 4 -- -i RTE>>pmd_perf_autotest The final output of the test will be matrix of average cycles of IO used per packet, and "Test OK" is printed out. the peer port can't receive any packet. case2: physical link mode disable lookback mode: In dpdk/test/test/test_pmd_perf.c set:: .lpbk_mode=0 #define MAX_TRAFFIC_BURST 32 then make test start test:: ./test/test/test -c f -n 4 -- -i RTE>>pmd_perf_autotest there is not "Test OK" presented. the peer port can receive all the 32 packets. -----Original Message----- From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Yanglong Wu Sent: Monday, November 20, 2017 12:06 PM To: dev@dpdk.org Cc: Wu, Yanglong Subject: [dpdk-dev] [PATCH] net/i40e: i40e support mac loopback According to loopback mode, setup loopback link or not. If loopback link is setted, packets will be sent to rx_q from tx_q directly.Loopback mode can be used to support testing task. Signed-off-by: Yanglong Wu --- drivers/net/i40e/base/i40e_adminq_cmd.h | 1 + drivers/net/i40e/i40e_ethdev.c | 12 +++++++++++ 2 files changed, 13 insertions(+) -- 2.11.0 diff --git a/drivers/net/i40e/base/i40e_adminq_cmd.h b/drivers/net/i40e/base/i40e_adminq_cmd.h index c36da2a32..8171f877b 100644 --- a/drivers/net/i40e/base/i40e_adminq_cmd.h +++ b/drivers/net/i40e/base/i40e_adminq_cmd.h @@ -2128,6 +2128,7 @@ I40E_CHECK_CMD_LENGTH(i40e_aqc_an_advt_reg); /* Set Loopback mode (0x0618) */ struct i40e_aqc_set_lb_mode { __le16 lb_mode; +#define I40E_AQ_LB_MODE_NONE 0x0 #define I40E_AQ_LB_PHY_LOCAL 0x01 #define I40E_AQ_LB_PHY_REMOTE 0x02 #define I40E_AQ_LB_MAC_LOCAL 0x04 diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index f40c463aa..2e6aa9d0d 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -2048,6 +2048,17 @@ i40e_dev_start(struct rte_eth_dev *dev) } } + /* Enable mac loopback mode */ + if (hw->mac.type == I40E_MAC_XL710 && + (dev->data->dev_conf.lpbk_mode == I40E_AQ_LB_MODE_NONE || + dev->data->dev_conf.lpbk_mode == I40E_AQ_LB_PHY_LOCAL)) { + ret = i40e_aq_set_lb_modes(hw, + dev->data->dev_conf.lpbk_mode, NULL); + if (ret != I40E_SUCCESS) { + PMD_DRV_LOG(INFO, "fail to set loopback link"); + goto err_up; + } + } + /* Apply link configure */ if (dev->data->dev_conf.link_speeds & ~(ETH_LINK_SPEED_100M | ETH_LINK_SPEED_1G | ETH_LINK_SPEED_10G |