diff options
Diffstat (limited to 'drivers/infiniband/hw/mlx4/mlx4_ib.h')
| -rw-r--r-- | drivers/infiniband/hw/mlx4/mlx4_ib.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h index 70636f70dd8c..2f9b1a6d01eb 100644 --- a/drivers/infiniband/hw/mlx4/mlx4_ib.h +++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h @@ -299,6 +299,26 @@ struct mlx4_ib_rss { u8 rss_key[MLX4_EN_RSS_KEY_SIZE]; }; +enum { + /* + * Largest possible UD header: send with GRH and immediate + * data plus 18 bytes for an Ethernet header with VLAN/802.1Q + * tag. (LRH would only use 8 bytes, so Ethernet is the + * biggest case) + */ + MLX4_IB_UD_HEADER_SIZE = 82, + MLX4_IB_LSO_HEADER_SPARE = 128, +}; + +struct mlx4_ib_sqp { + int pkey_index; + u32 qkey; + u32 send_psn; + struct ib_ud_header ud_header; + u8 header_buf[MLX4_IB_UD_HEADER_SIZE]; + struct ib_qp *roce_v2_gsi; +}; + struct mlx4_ib_qp { union { struct ib_qp ibqp; @@ -344,7 +364,10 @@ struct mlx4_ib_qp { struct mlx4_wqn_range *wqn_range; /* Number of RSS QP parents that uses this WQ */ u32 rss_usecnt; - struct mlx4_ib_rss *rss_ctx; + union { + struct mlx4_ib_rss *rss_ctx; + struct mlx4_ib_sqp *sqp; + }; }; struct mlx4_ib_srq { |