ixgbe: add check for supported modes
When setting advertised speed/duplex with ethtool.
Also cleaned up the comment since we also support 100/F.
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index 82d4244..9c12b35 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -324,12 +324,16 @@
if ((hw->phy.media_type == ixgbe_media_type_copper) ||
(hw->phy.multispeed_fiber)) {
- /* 10000/copper and 1000/copper must autoneg
- * this function does not support any duplex forcing, but can
- * limit the advertising of the adapter to only 10000 or 1000 */
+ /*
+ * this function does not support duplex forcing, but can
+ * limit the advertising of the adapter to the specified speed
+ */
if (ecmd->autoneg == AUTONEG_DISABLE)
return -EINVAL;
+ if (ecmd->advertising & ~ecmd->supported)
+ return -EINVAL;
+
old = hw->phy.autoneg_advertised;
advertised = 0;
if (ecmd->advertising & ADVERTISED_10000baseT_Full)