[PATCH mlx5-next 4/5] net/mlx5: Introduce TLS TX offload hardware bits and structures

[Saeed Mahameed <saeedm@mellanox.com>]

From: Eran Ben Elisha <eranbe@mellanox.com>

Add TLS offload related IFC structs, layouts and enumerations.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
---
 include/linux/mlx5/device.h   |  14 +++++
 include/linux/mlx5/mlx5_ifc.h | 104 ++++++++++++++++++++++++++++++++--
 2 files changed, 114 insertions(+), 4 deletions(-)

diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 5e760067ac41..5f7d1671ad5a 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -437,6 +437,7 @@ enum {
 	MLX5_OPCODE_SET_PSV		= 0x20,
 	MLX5_OPCODE_GET_PSV		= 0x21,
 	MLX5_OPCODE_CHECK_PSV		= 0x22,
+	MLX5_OPCODE_DUMP		= 0x23,
 	MLX5_OPCODE_RGET_PSV		= 0x26,
 	MLX5_OPCODE_RCHECK_PSV		= 0x27,
 
@@ -444,6 +445,14 @@ enum {
 
 };
 
+enum {
+	MLX5_OPC_MOD_TLS_TIS_STATIC_PARAMS = 0x20,
+};
+
+enum {
+	MLX5_OPC_MOD_TLS_TIS_PROGRESS_PARAMS = 0x20,
+};
+
 enum {
 	MLX5_SET_PORT_RESET_QKEY	= 0,
 	MLX5_SET_PORT_GUID0		= 16,
@@ -1077,6 +1086,8 @@ enum mlx5_cap_type {
 	MLX5_CAP_DEBUG,
 	MLX5_CAP_RESERVED_14,
 	MLX5_CAP_DEV_MEM,
+	MLX5_CAP_RESERVED_16,
+	MLX5_CAP_TLS,
 	/* NUM OF CAP Types */
 	MLX5_CAP_NUM
 };
@@ -1255,6 +1266,9 @@ enum mlx5_qcam_feature_groups {
 #define MLX5_CAP64_DEV_MEM(mdev, cap)\
 	MLX5_GET64(device_mem_cap, mdev->caps.hca_cur[MLX5_CAP_DEV_MEM], cap)
 
+#define MLX5_CAP_TLS(mdev, cap) \
+	MLX5_GET(tls_cap, (mdev)->caps.hca_cur[MLX5_CAP_TLS], cap)
+
 enum {
 	MLX5_CMD_STAT_OK			= 0x0,
 	MLX5_CMD_STAT_INT_ERR			= 0x1,
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 031db53e94ce..1f77ae1ed250 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -953,6 +953,16 @@ struct mlx5_ifc_vector_calc_cap_bits {
 	u8         reserved_at_c0[0x720];
 };
 
+struct mlx5_ifc_tls_cap_bits {
+	u8         tls_1_2_aes_gcm_128[0x1];
+	u8         tls_1_3_aes_gcm_128[0x1];
+	u8         tls_1_2_aes_gcm_256[0x1];
+	u8         tls_1_3_aes_gcm_256[0x1];
+	u8         reserved_at_4[0x1c];
+
+	u8         reserved_at_20[0x7e0];
+};
+
 enum {
 	MLX5_WQ_TYPE_LINKED_LIST  = 0x0,
 	MLX5_WQ_TYPE_CYCLIC       = 0x1,
@@ -1282,7 +1292,8 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 
 	u8         reserved_at_440[0x20];
 
-	u8         reserved_at_460[0x3];
+	u8         tls[0x1];
+	u8         reserved_at_461[0x2];
 	u8         log_max_uctx[0x5];
 	u8         reserved_at_468[0x3];
 	u8         log_max_umem[0x5];
@@ -1307,7 +1318,9 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 	u8         max_geneve_tlv_option_data_len[0x5];
 	u8         reserved_at_570[0x10];
 
-	u8         reserved_at_580[0x3c];
+	u8         reserved_at_580[0x33];
+	u8         log_max_dek[0x5];
+	u8         reserved_at_5b8[0x4];
 	u8         mini_cqe_resp_stride_index[0x1];
 	u8         cqe_128_always[0x1];
 	u8         cqe_compression_128[0x1];
@@ -2586,6 +2599,7 @@ union mlx5_ifc_hca_cap_union_bits {
 	struct mlx5_ifc_qos_cap_bits qos_cap;
 	struct mlx5_ifc_debug_cap_bits debug_cap;
 	struct mlx5_ifc_fpga_cap_bits fpga_cap;
+	struct mlx5_ifc_tls_cap_bits tls_cap;
 	u8         reserved_at_0[0x8000];
 };
 
@@ -2725,7 +2739,8 @@ struct mlx5_ifc_traffic_counter_bits {
 
 struct mlx5_ifc_tisc_bits {
 	u8         strict_lag_tx_port_affinity[0x1];
-	u8         reserved_at_1[0x3];
+	u8         tls_en[0x1];
+	u8         reserved_at_1[0x2];
 	u8         lag_tx_port_affinity[0x04];
 
 	u8         reserved_at_8[0x4];
@@ -2739,7 +2754,11 @@ struct mlx5_ifc_tisc_bits {
 
 	u8         reserved_at_140[0x8];
 	u8         underlay_qpn[0x18];
-	u8         reserved_at_160[0x3a0];
+
+	u8         reserved_at_160[0x8];
+	u8         pd[0x18];
+
+	u8         reserved_at_180[0x380];
 };
 
 enum {
@@ -9937,4 +9956,81 @@ struct mlx5_ifc_alloc_sf_in_bits {
 	u8         reserved_at_60[0x20];
 };
 
+enum {
+	MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_ENCRYPTION_KEY = BIT(0xc),
+};
+
+enum {
+	MLX5_GENERAL_OBJECT_TYPES_ENCRYPTION_KEY = 0xc,
+};
+
+struct mlx5_ifc_encryption_key_obj_bits {
+	u8         modify_field_select[0x40];
+
+	u8         reserved_at_40[0x14];
+	u8         key_size[0x4];
+	u8         reserved_at_58[0x4];
+	u8         key_type[0x4];
+
+	u8         reserved_at_60[0x8];
+	u8         pd[0x18];
+
+	u8         reserved_at_80[0x180];
+	u8         key[8][0x20];
+
+	u8         reserved_at_300[0x500];
+};
+
+struct mlx5_ifc_create_encryption_key_in_bits {
+	struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
+	struct mlx5_ifc_encryption_key_obj_bits encryption_key_object;
+};
+
+enum {
+	MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_KEY_SIZE_128 = 0x0,
+	MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_KEY_SIZE_256 = 0x1,
+};
+
+enum {
+	MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_DEK = 0x1,
+};
+
+struct mlx5_ifc_tls_static_params_bits {
+	u8         const_2[0x2];
+	u8         tls_version[0x4];
+	u8         const_1[0x2];
+	u8         reserved_at_8[0x14];
+	u8         encryption_standard[0x4];
+
+	u8         reserved_at_20[0x20];
+
+	u8         initial_record_number[0x40];
+
+	u8         resync_tcp_sn[0x20];
+
+	u8         gcm_iv[0x20];
+
+	u8         implicit_iv[0x40];
+
+	u8         reserved_at_100[0x8];
+	u8         dek_index[0x18];
+
+	u8         reserved_at_120[0xe0];
+};
+
+struct mlx5_ifc_tls_progress_params_bits {
+	u8         valid[0x1];
+	u8         reserved_at_1[0x7];
+	u8         pd[0x18];
+
+	u8         next_record_tcp_sn[0x20];
+
+	u8         hw_resync_tcp_sn[0x20];
+
+	u8         record_tracker_state[0x2];
+	u8         auth_state[0x2];
+	u8         reserved_at_64[0x4];
+	u8         hw_offset_record_number[0x18];
+};
+
 #endif /* MLX5_IFC_H */
-- 
2.21.0