net/mlx5e: CQE compression

[cascardo/linux.git] / include / linux / mlx5 / device.h

diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index ee0d5a9..035abdf 100644 (file)
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -685,6 +685,40 @@ struct mlx5_cqe64 {
        u8              op_own;
 };
 
+struct mlx5_mini_cqe8 {
+       union {
+               __be32 rx_hash_result;
+               struct {
+                       __be16 checksum;
+                       __be16 rsvd;
+               };
+               struct {
+                       __be16 wqe_counter;
+                       u8  s_wqe_opcode;
+                       u8  reserved;
+               } s_wqe_info;
+       };
+       __be32 byte_cnt;
+};
+
+enum {
+       MLX5_NO_INLINE_DATA,
+       MLX5_INLINE_DATA32_SEG,
+       MLX5_INLINE_DATA64_SEG,
+       MLX5_COMPRESSED,
+};
+
+enum {
+       MLX5_CQE_FORMAT_CSUM = 0x1,
+};
+
+#define MLX5_MINI_CQE_ARRAY_SIZE 8
+
+static inline int mlx5_get_cqe_format(struct mlx5_cqe64 *cqe)
+{
+       return (cqe->op_own >> 2) & 0x3;
+}
+
 static inline int get_cqe_lro_tcppsh(struct mlx5_cqe64 *cqe)
 {
        return (cqe->lro_tcppsh_abort_dupack >> 6) & 1;