linux-kernel - [PATCH net] ixgbe: recognize 1000BaseLX SFP modules as 1Gbps

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Message-Id: <20181124205801.67828-1-jelsasser@appneta.com>
Date:   Sat, 24 Nov 2018 12:57:33 -0800
From:   Josh Elsasser <jelsasser@...neta.com>
To:     intel-wired-lan@...ts.osuosl.org
Cc:     Josh Elsasser <jelsasser@...neta.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH net] ixgbe: recognize 1000BaseLX SFP modules as 1Gbps

Add the two 1000BaseLX enum values to the X550's check for 1Gbps modules,
allowing the core driver code to establish a link over this SFP type.

This is done by the out-of-tree driver but the fix wasn't in mainline.

Fixes: 6a14ee0cfb19 ("ixgbe: Add X550 support function pointers")
Signed-off-by: Josh Elsasser <jelsasser@...neta.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
index 10dbaf4f6e80..9c42f741ed5e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c
@@ -2262,7 +2262,9 @@ static s32 ixgbe_get_link_capabilities_X550em(struct ixgbe_hw *hw,
 		*autoneg = false;
 
 		if (hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core0 ||
-		    hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core1) {
+		    hw->phy.sfp_type == ixgbe_sfp_type_1g_sx_core1 ||
+		    hw->phy.sfp_type == ixgbe_sfp_type_1g_lx_core0 ||
+		    hw->phy.sfp_type == ixgbe_sfp_type_1g_lx_core1) {
 			*speed = IXGBE_LINK_SPEED_1GB_FULL;
 			return 0;
 		}
-- 
2.19.1