Commit c0071be0 authored by Emeel Hakim's avatar Emeel Hakim Committed by Saeed Mahameed
Browse files

net/mlx5e: MACsec, remove replay window size limitation in offload path 



Currently offload path limits replay window size to 32/64/128/256 bits,
such a limitation should not exist since software allows it.
Remove such limitation.

Fixes: eb43846b ("net/mlx5e: Support MACsec offload replay window")
Signed-off-by: default avatarEmeel Hakim <ehakim@nvidia.com>
Reviewed-by: default avatarRaed Salem <raeds@nvidia.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@nvidia.com>
parent 194cc051

drivers/net/ethernet/mellanox/mlx5/core/en_accel/macsec.c

+0 −16
Original line number Diff line number Diff line
@@ -229,22 +229,6 @@ static int macsec_set_replay_protection(struct mlx5_macsec_obj_attrs *attrs, voi 
	if (!attrs->replay_protect)

		return 0;



	switch (attrs->replay_window) {

	case 256:

		window_sz = MLX5_MACSEC_ASO_REPLAY_WIN_256BIT;

		break;

	case 128:

		window_sz = MLX5_MACSEC_ASO_REPLAY_WIN_128BIT;

		break;

	case 64:

		window_sz = MLX5_MACSEC_ASO_REPLAY_WIN_64BIT;

		break;

	case 32:

		window_sz = MLX5_MACSEC_ASO_REPLAY_WIN_32BIT;

		break;

	default:

		return -EINVAL;

	}

	MLX5_SET(macsec_aso, aso_ctx, window_size, window_sz);

	MLX5_SET(macsec_aso, aso_ctx, mode, MLX5_MACSEC_ASO_REPLAY_PROTECTION);

include/linux/mlx5/mlx5_ifc.h

+0 −7
Original line number Diff line number Diff line
@@ -11611,13 +11611,6 @@ enum { 
	MLX5_MACSEC_ASO_REPLAY_PROTECTION = 0x1,

};



enum {

	MLX5_MACSEC_ASO_REPLAY_WIN_32BIT  = 0x0,

	MLX5_MACSEC_ASO_REPLAY_WIN_64BIT  = 0x1,

	MLX5_MACSEC_ASO_REPLAY_WIN_128BIT = 0x2,

	MLX5_MACSEC_ASO_REPLAY_WIN_256BIT = 0x3,

};



#define MLX5_MACSEC_ASO_INC_SN  0x2

#define MLX5_MACSEC_ASO_REG_C_4_5 0x2