Re: [net-next 15/21] ixgbe: Configure advertised speeds correctly for KR/KX backplane
From: Sergei Shtylyov <hidden>
Date: 2016-12-30 11:01:51
Hello. On 12/30/2016 12:33 PM, Jeff Kirsher wrote:
quoted hunk ↗ jump to hunk
From: Don Skidmore <redacted> 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 form low power after being downshifted by LPLU. Signed-off-by: Don Skidmore <redacted> Signed-off-by: Jeff Kirsher <redacted> --- drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c index 92f2b5e..675c198 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c@@ -2187,12 +2187,11 @@ static s32 ixgbe_setup_kx4_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. **/ static s32 ixgbe_setup_kr_x550em(struct ixgbe_hw *hw) { - if (hw->mac.type != ixgbe_mac_X550EM_x) + /* leave linke alone for 2.5G */
Link, maybe?
+ if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL) return 0; return ixgbe_setup_kr_speed_x550em(hw, hw->phy.autoneg_advertised);
MBR, Sergei