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net/mlx5: Introduce TLS TX offload hardware bits and structures
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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>
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Eran Ben Elisha authored and Saeed Mahameed committed Jul 3, 2019
1 parent dd28087 commit a12ff35
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Showing 2 changed files with 114 additions and 4 deletions.
14 changes: 14 additions & 0 deletions include/linux/mlx5/device.h
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Original file line number Diff line number Diff line change
Expand Up @@ -437,13 +437,22 @@ 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,

MLX5_OPCODE_UMR = 0x25,

};

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,
Expand Down Expand Up @@ -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,
MLX5_CAP_DEV_EVENT = 0x14,
/* NUM OF CAP Types */
MLX5_CAP_NUM
Expand Down Expand Up @@ -1256,6 +1267,9 @@ 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)

#define MLX5_CAP_DEV_EVENT(mdev, cap)\
MLX5_ADDR_OF(device_event_cap, (mdev)->caps.hca_cur[MLX5_CAP_DEV_EVENT], cap)

Expand Down
104 changes: 100 additions & 4 deletions include/linux/mlx5/mlx5_ifc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -973,6 +973,16 @@ 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,
Expand Down Expand Up @@ -1303,7 +1313,8 @@ 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];
Expand All @@ -1328,7 +1339,9 @@ 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];
Expand Down Expand Up @@ -2607,6 +2620,7 @@ 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];
};

Expand Down Expand Up @@ -2746,7 +2760,8 @@ 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];
Expand All @@ -2760,7 +2775,11 @@ 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 {
Expand Down Expand Up @@ -9965,4 +9984,81 @@ struct mlx5_ifc_affiliated_event_header_bits {
u8 obj_id[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 */

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