Commit 4bd9d507 authored Feb 11, 2020 by Aya Levin Committed by Saeed Mahameed Feb 18, 2020

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>

parent 511aa2aa

drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -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;

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