In commit
1cbe6fc86ccf ("IB/mlx5: Add support for CQE compressing") the
concept of CQE compression was introduced and added a support for 64B
CQE size. This change update the code to support 128B CQE size as well.
Signed-off-by: Guy Levi <guyle@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
*index = to_mucontext(context)->bfregi.sys_pages[0];
if (ucmd.cqe_comp_en == 1) {
- if (unlikely((*cqe_size != 64) ||
- !MLX5_CAP_GEN(dev->mdev, cqe_compression))) {
+ if (!((*cqe_size == 128 &&
+ MLX5_CAP_GEN(dev->mdev, cqe_compression_128)) ||
+ (*cqe_size == 64 &&
+ MLX5_CAP_GEN(dev->mdev, cqe_compression)))) {
err = -EOPNOTSUPP;
mlx5_ib_warn(dev, "CQE compression is not supported for size %d!\n",
*cqe_size);
sizeof(resp.mlx5_ib_support_multi_pkt_send_wqes);
}
- if (field_avail(typeof(resp), reserved, uhw->outlen))
- resp.response_length += sizeof(resp.reserved);
+ if (field_avail(typeof(resp), flags, uhw->outlen)) {
+ resp.response_length += sizeof(resp.flags);
+ if (MLX5_CAP_GEN(mdev, cqe_compression_128))
+ resp.flags |=
+ MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_COMP;
+ }
if (field_avail(typeof(resp), sw_parsing_caps,
uhw->outlen)) {
__u32 supported_qpts;
};
+enum mlx5_ib_query_dev_resp_flags {
+ /* Support 128B CQE compression */
+ MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_COMP = 1 << 0,
+};
+
struct mlx5_ib_query_device_resp {
__u32 comp_mask;
__u32 response_length;
struct mlx5_ib_cqe_comp_caps cqe_comp_caps;
struct mlx5_packet_pacing_caps packet_pacing_caps;
__u32 mlx5_ib_support_multi_pkt_send_wqes;
- __u32 reserved;
+ __u32 flags; /* Use enum mlx5_ib_query_dev_resp_flags */
struct mlx5_ib_sw_parsing_caps sw_parsing_caps;
struct mlx5_ib_striding_rq_caps striding_rq_caps;
};