From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 7F2E55398 for ; Tue, 10 Jan 2017 16:49:41 +0100 (CET) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP; 10 Jan 2017 07:49:33 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.33,344,1477983600"; d="scan'208";a="1092282760" Received: from dpdk4.bj.intel.com ([172.16.182.178]) by fmsmga001.fm.intel.com with ESMTP; 10 Jan 2017 07:49:31 -0800 From: Wei Dai To: dev@dpdk.org Cc: helin.zhang@intel.com, konstantin.ananyev@intel.com, Wei Dai Date: Tue, 10 Jan 2017 23:45:42 +0800 Message-Id: <1484063146-15796-4-git-send-email-wei.dai@intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1484063146-15796-1-git-send-email-wei.dai@intel.com> References: <1484063146-15796-1-git-send-email-wei.dai@intel.com> Subject: [dpdk-dev] [PATCH 3/7] net/ixgbe/base: configure speeds for KR/KX backplane 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: , X-List-Received-Date: Tue, 10 Jan 2017 15:49:41 -0000 This patch ensures that the advertised link speeds are configured for KR/KX backplane on some new platform. Without this patch the link remains at 1G when resuming from low power after being downshifted by LPLU(Low Power Link Up). This patch ensures that the advertise speeds are not changed for 2.5G configurations. Signed-off-by: Wei Dai --- drivers/net/ixgbe/base/ixgbe_x550.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c b/drivers/net/ixgbe/base/ixgbe_x550.c index 2f7f446..b23d479 100644 --- a/drivers/net/ixgbe/base/ixgbe_x550.c +++ b/drivers/net/ixgbe/base/ixgbe_x550.c @@ -2627,12 +2627,11 @@ s32 ixgbe_init_ext_t_x550em(struct ixgbe_hw *hw) /** * ixgbe_setup_kr_x550em - Configure the KR PHY. * @hw: pointer to hardware structure - * - * Configures the integrated KR PHY for X550EM_x. **/ s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw) { - if (hw->mac.type != ixgbe_mac_X550EM_x) + /* leave link alone for 2.5G */ + if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL) return IXGBE_SUCCESS; return ixgbe_setup_kr_speed_x550em(hw, hw->phy.autoneg_advertised); -- 2.7.4