IB/mlx5: Use extended internal signature layout
Rather than using the basic BSF layout which utilizes a pre-configured
signature settings (sufficient for current DIF implementation), we use
the extended BSF layout to expose advanced signature settings. These
settings will also be exposed to the user later.
Signed-off-by: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h
index 4aa5634..69f5378 100644
--- a/include/linux/mlx5/qp.h
+++ b/include/linux/mlx5/qp.h
@@ -43,6 +43,12 @@
#define MLX5_CPY_GRD_MASK 0xc0
#define MLX5_CPY_APP_MASK 0x30
#define MLX5_CPY_REF_MASK 0x0f
+#define MLX5_BSF_INC_REFTAG (1 << 6)
+#define MLX5_BSF_INL_VALID (1 << 15)
+#define MLX5_BSF_REFRESH_DIF (1 << 14)
+#define MLX5_BSF_REPEAT_BLOCK (1 << 7)
+#define MLX5_BSF_APPTAG_ESCAPE 0x1
+#define MLX5_BSF_APPREF_ESCAPE 0x2
enum mlx5_qp_optpar {
MLX5_QP_OPTPAR_ALT_ADDR_PATH = 1 << 0,
@@ -290,6 +296,22 @@
__be32 byte_count;
};
+enum mlx5_sig_type {
+ MLX5_DIF_CRC = 0x1,
+ MLX5_DIF_IPCS = 0x2,
+};
+
+struct mlx5_bsf_inl {
+ __be16 vld_refresh;
+ __be16 dif_apptag;
+ __be32 dif_reftag;
+ u8 sig_type;
+ u8 rp_inv_seed;
+ u8 rsvd[3];
+ u8 dif_inc_ref_guard_check;
+ __be16 dif_app_bitmask_check;
+};
+
struct mlx5_bsf {
struct mlx5_bsf_basic {
u8 bsf_size_sbs;
@@ -313,14 +335,8 @@
__be32 w_tfs_psv;
__be32 m_tfs_psv;
} ext;
- struct mlx5_bsf_inl {
- __be32 w_inl_vld;
- __be32 w_rsvd;
- __be64 w_block_format;
- __be32 m_inl_vld;
- __be32 m_rsvd;
- __be64 m_block_format;
- } inl;
+ struct mlx5_bsf_inl w_inl;
+ struct mlx5_bsf_inl m_inl;
};
struct mlx5_klm {