struct mlx5e_macsec_epn_state epn_state;
salt_t salt;
__be32 ssci;
+ bool replay_protect;
+ u32 replay_window;
};
struct mlx5_aso_ctrl_param {
kfree(umr);
}
+static int macsec_set_replay_protection(struct mlx5_macsec_obj_attrs *attrs, void *aso_ctx)
+{
+ u8 window_sz;
+
+ 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);
+
+ return 0;
+}
+
static int mlx5e_macsec_create_object(struct mlx5_core_dev *mdev,
struct mlx5_macsec_obj_attrs *attrs,
bool is_tx,
salt_p = MLX5_ADDR_OF(macsec_offload_obj, obj, salt);
for (i = 0; i < 3 ; i++)
memcpy((u32 *)salt_p + i, &attrs->salt.bytes[4 * (2 - i)], 4);
- if (!is_tx)
- MLX5_SET(macsec_aso, aso_ctx, mode, MLX5_MACSEC_ASO_REPLAY_PROTECTION);
} else {
MLX5_SET64(macsec_offload_obj, obj, sci, (__force u64)(attrs->sci));
}
MLX5_SET(macsec_aso, aso_ctx, valid, 0x1);
- if (is_tx)
+ if (is_tx) {
MLX5_SET(macsec_aso, aso_ctx, mode, MLX5_MACSEC_ASO_INC_SN);
+ } else {
+ err = macsec_set_replay_protection(attrs, aso_ctx);
+ if (err)
+ return err;
+ }
/* general object fields set */
MLX5_SET(general_obj_in_cmd_hdr, in, opcode, MLX5_CMD_OP_CREATE_GENERAL_OBJECT);
}
memcpy(&obj_attrs.salt, &key->salt, sizeof(key->salt));
+ obj_attrs.replay_window = ctx->secy->replay_window;
+ obj_attrs.replay_protect = ctx->secy->replay_protect;
err = mlx5e_macsec_create_object(mdev, &obj_attrs, is_tx, &sa->macsec_obj_id);
if (err)
return false;
}
- if (secy->replay_protect) {
- netdev_err(netdev, "MACsec offload: replay protection is not supported\n");
- return false;
- }
-
return true;
}