net/mlx5e: Support RX multi-packet WQE (Striding RQ)

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

diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 8156e3c..03f8d71 100644 (file)
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -644,7 +644,8 @@ struct mlx5_err_cqe {
 };
 
 struct mlx5_cqe64 {
-       u8              rsvd0[4];
+       u8              rsvd0[2];
+       __be16          wqe_id;
        u8              lro_tcppsh_abort_dupack;
        u8              lro_min_ttl;
        __be16          lro_tcp_win;
@@ -696,6 +697,42 @@ static inline u64 get_cqe_ts(struct mlx5_cqe64 *cqe)
        return (u64)lo | ((u64)hi << 32);
 }
 
+struct mpwrq_cqe_bc {
+       __be16  filler_consumed_strides;
+       __be16  byte_cnt;
+};
+
+static inline u16 mpwrq_get_cqe_byte_cnt(struct mlx5_cqe64 *cqe)
+{
+       struct mpwrq_cqe_bc *bc = (struct mpwrq_cqe_bc *)&cqe->byte_cnt;
+
+       return be16_to_cpu(bc->byte_cnt);
+}
+
+static inline u16 mpwrq_get_cqe_bc_consumed_strides(struct mpwrq_cqe_bc *bc)
+{
+       return 0x7fff & be16_to_cpu(bc->filler_consumed_strides);
+}
+
+static inline u16 mpwrq_get_cqe_consumed_strides(struct mlx5_cqe64 *cqe)
+{
+       struct mpwrq_cqe_bc *bc = (struct mpwrq_cqe_bc *)&cqe->byte_cnt;
+
+       return mpwrq_get_cqe_bc_consumed_strides(bc);
+}
+
+static inline bool mpwrq_is_filler_cqe(struct mlx5_cqe64 *cqe)
+{
+       struct mpwrq_cqe_bc *bc = (struct mpwrq_cqe_bc *)&cqe->byte_cnt;
+
+       return 0x8000 & be16_to_cpu(bc->filler_consumed_strides);
+}
+
+static inline u16 mpwrq_get_cqe_stride_index(struct mlx5_cqe64 *cqe)
+{
+       return be16_to_cpu(cqe->wqe_counter);
+}
+
 enum {
        CQE_L4_HDR_TYPE_NONE                    = 0x0,
        CQE_L4_HDR_TYPE_TCP_NO_ACK              = 0x1,