diff options
| author | Lendacky, Thomas <Thomas.Lendacky@amd.com> | 2016-02-17 20:48:39 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-02-17 23:22:19 +0300 |
| commit | 757e6aa34ca9529786877d3045684e7c9f686075 (patch) | |
| tree | de2f36af7c8386e217f0545ccf2bb9916ecd55a5 /drivers/net/ethernet/amd | |
| parent | 793494228fdf15acb252063f9f6dcccd3d1d497e (diff) | |
| download | linux-757e6aa34ca9529786877d3045684e7c9f686075.tar.xz | |
amd-xgbe: Verify forced speed matches the active speedset
When using ethtool to set the speed for the device, verify that the
specified speed is valid within the active speedset.
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/amd')
| -rw-r--r-- | drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c index 6040293db9c1..11d9f0c5b78b 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c @@ -6,7 +6,7 @@ * * License 1: GPLv2 * - * Copyright (c) 2014 Advanced Micro Devices, Inc. + * Copyright (c) 2014-2016 Advanced Micro Devices, Inc. * * This file is free software; you may copy, redistribute and/or modify * it under the terms of the GNU General Public License as published by @@ -56,7 +56,7 @@ * * License 2: Modified BSD * - * Copyright (c) 2014 Advanced Micro Devices, Inc. + * Copyright (c) 2014-2016 Advanced Micro Devices, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -318,8 +318,20 @@ static int xgbe_set_settings(struct net_device *netdev, if (cmd->autoneg == AUTONEG_DISABLE) { switch (speed) { case SPEED_10000: + break; case SPEED_2500: + if (pdata->speed_set != XGBE_SPEEDSET_2500_10000) { + netdev_err(netdev, "unsupported speed %u\n", + speed); + return -EINVAL; + } + break; case SPEED_1000: + if (pdata->speed_set != XGBE_SPEEDSET_1000_10000) { + netdev_err(netdev, "unsupported speed %u\n", + speed); + return -EINVAL; + } break; default: netdev_err(netdev, "unsupported speed %u\n", speed); |