Patch "ixgbe: Configure advertised speeds correctly for KR/KX backplane" has been added to the 4.9-stable tree
Subsystems (3)
This is a note to let you know that I've just added the patch titled
ixgbe: Configure advertised speeds correctly for KR/KX backplane
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ixgbe-configure-advertised-speeds-correctly-for-kr-kx-backplane.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From foo@baz Sun Nov 19 11:32:28 CET 2017
From: Don Skidmore <[email protected]>
Date: Tue, 13 Dec 2016 20:34:51 -0500
Subject: ixgbe: Configure advertised speeds correctly for KR/KX backplane
From: Don Skidmore <[email protected]>
[ Upstream commit 54f6d4c42451dbd2cc7e0f0bd8fc3eddcab511fe ]
This patch ensures that the advertised link speeds are configured for X553 KR/KX backplane. Without this patch the link remains at 1G when resuming from low power after being downshifted by LPLU.
--- drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +2 -3
@@ -1995,12 +1995,11 @@ static s32 ixgbe_setup_kx4_x550em(struct/** * ixgbe_setup_kr_x550em - Configure the KR PHY * @hw: pointer to hardware structure -* -* Configures the integrated KR PHY for X550EM_x. **/ static 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 0 ;return ixgbe_setup_kr_speed_x550em (hw, hw->phy.autoneg_advertised);
Patches currently in stable-queue which might be from [email protected] are
queue-4.9/ixgbe-configure-advertised-speeds-correctly-for-kr-kx-backplane.patch