shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-08 11:50:43 +09:00
Code Issues Packages Projects Releases Wiki Activity

net/mlx5e: Enforce setting of a single FEC mode

Browse Source 
[ Upstream commit 4bd9d5070b ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Aya Levin
2020-02-11 14:32:49 -08:00
committed by Greg Kroah-Hartman
parent 0d03cbfdf3
commit 6d4330391c
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
View File

@@ -1548,6 +1548,10 @@ 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;