MLX4_DEV_CAP_FLAG2_IGNORE_FCS
if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_IGNORE_FCS)
dev_cap->flags2 |= MLX4_DEV_CAP_FLAG2_IGNORE_FCS;
if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_IGNORE_FCS))
dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS;
dev->caps.flags2 &= ~MLX4_DEV_CAP_FLAG2_IGNORE_FCS;