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authorTony Nguyen <anthony.l.nguyen@intel.com>2017-06-08 00:36:20 +0300
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2017-07-26 02:31:46 +0300
commitae84dbf7ff485b3b59740c6ea69df0613f6cd4f7 (patch)
tree12ebdae3f732fa7a0c0911f09a12d07abc80b182 /drivers/net/ethernet/intel/ixgbe
parent48301cf22fa7d70db3ae777e374edfd4119fc826 (diff)
downloadlinux-ae84dbf7ff485b3b59740c6ea69df0613f6cd4f7.tar.xz
ixgbe: Do not support flow control autonegotiation for X553
Flow control autonegotiation is not supported for fiber on X553. Add device ID checks in ixgbe_device_supports_autoneg_fc() to return the appropriate value. Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ethernet/intel/ixgbe')
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_common.c25
1 files changed, 19 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index 4e35e7017f3d..40ae7db468ea 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -79,13 +79,22 @@ bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
switch (hw->phy.media_type) {
case ixgbe_media_type_fiber:
- hw->mac.ops.check_link(hw, &speed, &link_up, false);
- /* if link is down, assume supported */
- if (link_up)
- supported = speed == IXGBE_LINK_SPEED_1GB_FULL ?
+ /* flow control autoneg black list */
+ switch (hw->device_id) {
+ case IXGBE_DEV_ID_X550EM_A_SFP:
+ case IXGBE_DEV_ID_X550EM_A_SFP_N:
+ supported = false;
+ break;
+ default:
+ hw->mac.ops.check_link(hw, &speed, &link_up, false);
+ /* if link is down, assume supported */
+ if (link_up)
+ supported = speed == IXGBE_LINK_SPEED_1GB_FULL ?
true : false;
- else
- supported = true;
+ else
+ supported = true;
+ }
+
break;
case ixgbe_media_type_backplane:
supported = true;
@@ -111,6 +120,10 @@ bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
break;
}
+ if (!supported)
+ hw_dbg(hw, "Device %x does not support flow control autoneg\n",
+ hw->device_id);
+
return supported;
}