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net/mlx5: Introduce MACsec Connect-X offload hardware bits and structures

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Add MACsec offload related IFC structs, layouts and enumerations.

Signed-off-by: Lior Nahmanson <liorna@nvidia.com>
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lior Nahmanson 2022-09-05 22:21:18 -07:00 committed by David S. Miller
parent e227ee990b
commit 8385c51ff5
2 changed files with 101 additions and 2 deletions
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4
include/linux/mlx5/device.h
View File

@ -1198,6 +1198,7 @@ enum mlx5_cap_type {
MLX5_CAP_DEV_EVENT = 0x14,
MLX5_CAP_IPSEC,
MLX5_CAP_DEV_SHAMPO = 0x1d,
MLX5_CAP_MACSEC = 0x1f,
MLX5_CAP_GENERAL_2 = 0x20,
MLX5_CAP_PORT_SELECTION = 0x25,
/* NUM OF CAP Types */
@ -1446,6 +1447,9 @@ enum mlx5_qcam_feature_groups {
#define MLX5_CAP_DEV_SHAMPO(mdev, cap)\
MLX5_GET(shampo_cap, mdev->caps.hca_cur[MLX5_CAP_DEV_SHAMPO], cap)
#define MLX5_CAP_MACSEC(mdev, cap)\
MLX5_GET(macsec_cap, (mdev)->caps.hca[MLX5_CAP_MACSEC]->cur, cap)
enum {
MLX5_CMD_STAT_OK = 0x0,
MLX5_CMD_STAT_INT_ERR = 0x1,

99
include/linux/mlx5/mlx5_ifc.h
View File

@ -82,6 +82,7 @@ enum {
MLX5_GENERAL_OBJ_TYPES_CAP_SW_ICM = (1ULL << MLX5_OBJ_TYPE_SW_ICM),
MLX5_GENERAL_OBJ_TYPES_CAP_GENEVE_TLV_OPT = (1ULL << 11),
MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_NET_Q = (1ULL << 13),
MLX5_GENERAL_OBJ_TYPES_CAP_MACSEC_OFFLOAD = (1ULL << 39),
};
enum {
@ -449,7 +450,12 @@ struct mlx5_ifc_flow_table_prop_layout_bits {
u8 reserved_at_60[0x2];
u8 reformat_insert[0x1];
u8 reformat_remove[0x1];
u8 reserver_at_64[0x14];
u8 macsec_encrypt[0x1];
u8 macsec_decrypt[0x1];
u8 reserved_at_66[0x2];
u8 reformat_add_macsec[0x1];
u8 reformat_remove_macsec[0x1];
u8 reserved_at_6a[0xe];
u8 log_max_ft_num[0x8];
u8 reserved_at_80[0x10];
@ -611,7 +617,11 @@ struct mlx5_ifc_fte_match_set_misc2_bits {
u8 metadata_reg_a[0x20];
u8 reserved_at_1a0[0x60];
u8 reserved_at_1a0[0x8];
u8 macsec_syndrome[0x8];
u8 reserved_at_1b0[0x50];
};
struct mlx5_ifc_fte_match_set_misc3_bits {
@ -1276,6 +1286,24 @@ struct mlx5_ifc_ipsec_cap_bits {
u8 reserved_at_30[0x7d0];
};
struct mlx5_ifc_macsec_cap_bits {
u8 macsec_epn[0x1];
u8 reserved_at_1[0x2];
u8 macsec_crypto_esp_aes_gcm_256_encrypt[0x1];
u8 macsec_crypto_esp_aes_gcm_128_encrypt[0x1];
u8 macsec_crypto_esp_aes_gcm_256_decrypt[0x1];
u8 macsec_crypto_esp_aes_gcm_128_decrypt[0x1];
u8 reserved_at_7[0x4];
u8 log_max_macsec_offload[0x5];
u8 reserved_at_10[0x10];
u8 min_log_macsec_full_replay_window[0x8];
u8 max_log_macsec_full_replay_window[0x8];
u8 reserved_at_30[0x10];
u8 reserved_at_40[0x7c0];
};
enum {
MLX5_WQ_TYPE_LINKED_LIST = 0x0,
MLX5_WQ_TYPE_CYCLIC = 0x1,
@ -3295,6 +3323,7 @@ union mlx5_ifc_hca_cap_union_bits {
struct mlx5_ifc_device_mem_cap_bits device_mem_cap;
struct mlx5_ifc_virtio_emulation_cap_bits virtio_emulation_cap;
struct mlx5_ifc_shampo_cap_bits shampo_cap;
struct mlx5_ifc_macsec_cap_bits macsec_cap;
u8 reserved_at_0[0x8000];
};
@ -3323,6 +3352,7 @@ enum {
enum {
MLX5_FLOW_CONTEXT_ENCRYPT_DECRYPT_TYPE_IPSEC = 0x0,
MLX5_FLOW_CONTEXT_ENCRYPT_DECRYPT_TYPE_MACSEC = 0x1,
};
struct mlx5_ifc_vlan_bits {
@ -6320,6 +6350,8 @@ enum mlx5_reformat_ctx_type {
MLX5_REFORMAT_TYPE_L2_TO_L3_TUNNEL = 0x4,
MLX5_REFORMAT_TYPE_INSERT_HDR = 0xf,
MLX5_REFORMAT_TYPE_REMOVE_HDR = 0x10,
MLX5_REFORMAT_TYPE_ADD_MACSEC = 0x11,
MLX5_REFORMAT_TYPE_DEL_MACSEC = 0x12,
};
struct mlx5_ifc_alloc_packet_reformat_context_in_bits {
@ -11475,6 +11507,7 @@ enum {
MLX5_GENERAL_OBJECT_TYPES_IPSEC = 0x13,
MLX5_GENERAL_OBJECT_TYPES_SAMPLER = 0x20,
MLX5_GENERAL_OBJECT_TYPES_FLOW_METER_ASO = 0x24,
MLX5_GENERAL_OBJECT_TYPES_MACSEC = 0x27,
};
enum {
@ -11525,6 +11558,67 @@ struct mlx5_ifc_modify_ipsec_obj_in_bits {
struct mlx5_ifc_ipsec_obj_bits ipsec_object;
};
struct mlx5_ifc_macsec_aso_bits {
u8 valid[0x1];
u8 reserved_at_1[0x1];
u8 mode[0x2];
u8 window_size[0x2];
u8 soft_lifetime_arm[0x1];
u8 hard_lifetime_arm[0x1];
u8 remove_flow_enable[0x1];
u8 epn_event_arm[0x1];
u8 reserved_at_a[0x16];
u8 remove_flow_packet_count[0x20];
u8 remove_flow_soft_lifetime[0x20];
u8 reserved_at_60[0x80];
u8 mode_parameter[0x20];
u8 replay_protection_window[8][0x20];
};
struct mlx5_ifc_macsec_offload_obj_bits {
u8 modify_field_select[0x40];
u8 confidentiality_en[0x1];
u8 reserved_at_41[0x1];
u8 esn_en[0x1];
u8 esn_overlap[0x1];
u8 reserved_at_44[0x2];
u8 confidentiality_offset[0x2];
u8 reserved_at_48[0x4];
u8 aso_return_reg[0x4];
u8 reserved_at_50[0x10];
u8 esn_msb[0x20];
u8 reserved_at_80[0x8];
u8 dekn[0x18];
u8 reserved_at_a0[0x20];
u8 sci[0x40];
u8 reserved_at_100[0x8];
u8 macsec_aso_access_pd[0x18];
u8 reserved_at_120[0x60];
u8 salt[3][0x20];
u8 reserved_at_1e0[0x20];
struct mlx5_ifc_macsec_aso_bits macsec_aso;
};
struct mlx5_ifc_create_macsec_obj_in_bits {
struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
struct mlx5_ifc_macsec_offload_obj_bits macsec_object;
};
struct mlx5_ifc_encryption_key_obj_bits {
u8 modify_field_select[0x40];
@ -11642,6 +11736,7 @@ enum {
enum {
MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_TLS = 0x1,
MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_IPSEC = 0x2,
MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_TYPE_MACSEC = 0x4,
};
struct mlx5_ifc_tls_static_params_bits {