From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by dpdk.space (Postfix) with ESMTP id 58A13A0679 for ; Tue, 30 Apr 2019 08:56:30 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id AF4B25F51; Tue, 30 Apr 2019 08:56:28 +0200 (CEST) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by dpdk.org (Postfix) with ESMTP id EBC752C17; Tue, 30 Apr 2019 08:56:25 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 29 Apr 2019 23:56:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.60,412,1549958400"; d="scan'208";a="227973075" Received: from unknown (HELO dpdk9.sh.intel.com) ([10.67.118.52]) by orsmga001.jf.intel.com with ESMTP; 29 Apr 2019 23:56:23 -0700 From: Beilei Xing To: qi.z.zhang@intel.com Cc: dev@dpdk.org, stable@dpdk.org Date: Tue, 30 Apr 2019 14:56:37 +0800 Message-Id: <1556607397-73487-1-git-send-email-beilei.xing@intel.com> X-Mailer: git-send-email 2.5.5 Subject: [dpdk-dev] [PATCH] net/i40e: fix link speed issue for X722 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" Content-Type: text/plain; charset="UTF-8" Message-ID: <20190430065637.H_z4aj43G9X7eeamyzVm4f3n2LdgeH_AWGgxEUILMAQ@z> If disable LSC when launching testpmd with X722, shown link speed is 20G but not 10G. It's caused by wrongly parsed link speed. Correct it according to X722 datasheet. Fixes: eef2daf2e199 ("net/i40e: fix link update no wait") Cc: stable@dpdk.org Signed-off-by: Beilei Xing --- drivers/net/i40e/i40e_ethdev.c | 45 +++++++++++++++++++++++++----------------- 1 file changed, 27 insertions(+), 18 deletions(-) diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c index f6fc005..38d926b 100644 --- a/drivers/net/i40e/i40e_ethdev.c +++ b/drivers/net/i40e/i40e_ethdev.c @@ -2670,11 +2670,11 @@ update_link_reg(struct i40e_hw *hw, struct rte_eth_link *link) #define I40E_PRTMAC_MACC 0x001E24E0 #define I40E_REG_MACC_25GB 0x00020000 #define I40E_REG_SPEED_MASK 0x38000000 -#define I40E_REG_SPEED_100MB 0x00000000 -#define I40E_REG_SPEED_1GB 0x08000000 -#define I40E_REG_SPEED_10GB 0x10000000 -#define I40E_REG_SPEED_20GB 0x20000000 -#define I40E_REG_SPEED_25_40GB 0x18000000 +#define I40E_REG_SPEED_0 0x00000000 +#define I40E_REG_SPEED_1 0x08000000 +#define I40E_REG_SPEED_2 0x10000000 +#define I40E_REG_SPEED_3 0x18000000 +#define I40E_REG_SPEED_4 0x20000000 uint32_t link_speed; uint32_t reg_val; @@ -2688,26 +2688,35 @@ update_link_reg(struct i40e_hw *hw, struct rte_eth_link *link) /* Parse the link status */ switch (link_speed) { - case I40E_REG_SPEED_100MB: + case I40E_REG_SPEED_0: link->link_speed = ETH_SPEED_NUM_100M; break; - case I40E_REG_SPEED_1GB: + case I40E_REG_SPEED_1: link->link_speed = ETH_SPEED_NUM_1G; break; - case I40E_REG_SPEED_10GB: - link->link_speed = ETH_SPEED_NUM_10G; - break; - case I40E_REG_SPEED_20GB: - link->link_speed = ETH_SPEED_NUM_20G; + case I40E_REG_SPEED_2: + if (hw->mac.type == I40E_MAC_X722) + link->link_speed = ETH_SPEED_NUM_2_5G; + else + link->link_speed = ETH_SPEED_NUM_10G; break; - case I40E_REG_SPEED_25_40GB: - reg_val = I40E_READ_REG(hw, I40E_PRTMAC_MACC); + case I40E_REG_SPEED_3: + if (hw->mac.type == I40E_MAC_X722) { + link->link_speed = ETH_SPEED_NUM_5G; + } else { + reg_val = I40E_READ_REG(hw, I40E_PRTMAC_MACC); - if (reg_val & I40E_REG_MACC_25GB) - link->link_speed = ETH_SPEED_NUM_25G; + if (reg_val & I40E_REG_MACC_25GB) + link->link_speed = ETH_SPEED_NUM_25G; + else + link->link_speed = ETH_SPEED_NUM_40G; + } + break; + case I40E_REG_SPEED_4: + if (hw->mac.type == I40E_MAC_X722) + link->link_speed = ETH_SPEED_NUM_10G; else - link->link_speed = ETH_SPEED_NUM_40G; - + link->link_speed = ETH_SPEED_NUM_20G; break; default: PMD_DRV_LOG(ERR, "Unknown link speed info %u", link_speed); -- 2.5.5