From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wenzhuo Lu Subject: [PATCH 29/37] ixgbe/base: disable SW LPLU implementation for x557 V2 Date: Wed, 24 Jun 2015 11:26:18 +0800 Message-ID: <1435116386-12010-30-git-send-email-wenzhuo.lu@intel.com> References: <1435116386-12010-1-git-send-email-wenzhuo.lu@intel.com> To: dev@dpdk.org Return-path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 95D35CA22 for ; Wed, 24 Jun 2015 05:27:40 +0200 (CEST) In-Reply-To: <1435116386-12010-1-git-send-email-wenzhuo.lu@intel.com> List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch disables SW LPLU on x557 V2. It also sets the enter_lplu function pointer to NULL on x557 V2. LPLU will be implemented in FW for all x557 V2 interfaces. The SW LPLU implementation must be disabled on V2 to avoid conflicts with FW. SW LPLU support is still required for x557 V1. Signed-off-by: Wenzhuo Lu --- drivers/net/ixgbe/base/ixgbe_x550.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c b/drivers/net/ixgbe/base/ixgbe_x550.c index 7c7829c..9958a63 100644 --- a/drivers/net/ixgbe/base/ixgbe_x550.c +++ b/drivers/net/ixgbe/base/ixgbe_x550.c @@ -1542,7 +1542,11 @@ s32 ixgbe_init_phy_ops_X550em(struct ixgbe_hw *hw) ret_val = ixgbe_setup_kr_speed_x550em(hw, speed); } - phy->ops.enter_lplu = ixgbe_enter_lplu_t_x550em; + /* setup SW LPLU only for first revision */ + if (!(IXGBE_FUSES0_REV1 & IXGBE_READ_REG(hw, + IXGBE_FUSES0_GROUP(0)))) + phy->ops.enter_lplu = ixgbe_enter_lplu_t_x550em; + phy->ops.handle_lasi = ixgbe_handle_lasi_ext_t_x550em; phy->ops.reset = ixgbe_reset_phy_t_X550em; break; @@ -2742,6 +2746,10 @@ s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw) u32 save_autoneg; bool link_up; + /* SW LPLU not required on later HW revisions. */ + if (IXGBE_FUSES0_REV1 & IXGBE_READ_REG(hw, IXGBE_FUSES0_GROUP(0))) + return IXGBE_SUCCESS; + /* If blocked by MNG FW, then don't restart AN */ if (ixgbe_check_reset_blocked(hw)) return IXGBE_SUCCESS; -- 1.9.3