diff options
| author |   Aya Levin <ayal@mellanox.com> | 2020-02-11 14:32:49 -0800 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@mellanox.com> | 2020-02-18 19:17:30 -0800 |
| commit | 4bd9d5070b92da012f2715cf8e4859acb78b8f35 (patch) | |
| tree | ebe72a43ffb450b9865a425d60ad0be8bcef371e /drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | |
| parent | net/mlx5e: Set FEC to auto when configured mode is not supported (diff) | |
| download | linux-dev-4bd9d5070b92da012f2715cf8e4859acb78b8f35.tar.xz linux-dev-4bd9d5070b92da012f2715cf8e4859acb78b8f35.zip | |
net/mlx5e: Enforce setting of a single FEC mode
Ethtool command allow setting of several FEC modes in a single set
command. The driver can only set a single FEC mode at a time. With this
patch driver will reply not-supported on setting several FEC modes.
Signed-off-by: Aya Levin <ayal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index d674cb679895..d1664ff1772b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -1541,6 +1541,10 @@ static int mlx5e_set_fecparam(struct net_device *netdev, int mode; int err; + if (bitmap_weight((unsigned long *)&fecparam->fec, + ETHTOOL_FEC_BASER_BIT + 1) > 1) + return -EOPNOTSUPP; + for (mode = 0; mode < ARRAY_SIZE(pplm_fec_2_ethtool); mode++) { if (!(pplm_fec_2_ethtool[mode] & fecparam->fec)) continue; |