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Date: Fri, 24 Apr 2020 12:45:03 -0700
From: Saeed Mahameed <saeedm@...lanox.com>
To: Saeed Mahameed <saeedm@...lanox.com>,
Leon Romanovsky <leonro@...lanox.com>
Cc: netdev@...r.kernel.org, linux-rdma@...r.kernel.org,
Raed Salem <raeds@...lanox.com>,
Tariq Toukan <tariqt@...lanox.com>
Subject: [PATCH mlx5-next 2/9] net/mlx5: Introduce IPsec Connect-X offload hardware bits and structures
From: Raed Salem <raeds@...lanox.com>
Add IPsec offload related IFC structs, layouts and enumerations.
Signed-off-by: Raed Salem <raeds@...lanox.com>
Reviewed-by: Tariq Toukan <tariqt@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
include/linux/mlx5/device.h | 4 ++
include/linux/mlx5/mlx5_ifc.h | 78 +++++++++++++++++++++++++++++++++--
2 files changed, 79 insertions(+), 3 deletions(-)
diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index 2b90097a6cf9..7b57877e501e 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -1107,6 +1107,7 @@ enum mlx5_cap_type {
MLX5_CAP_TLS,
MLX5_CAP_VDPA_EMULATION = 0x13,
MLX5_CAP_DEV_EVENT = 0x14,
+ MLX5_CAP_IPSEC,
/* NUM OF CAP Types */
MLX5_CAP_NUM
};
@@ -1324,6 +1325,9 @@ enum mlx5_qcam_feature_groups {
MLX5_GET64(device_virtio_emulation_cap, \
(mdev)->caps.hca_cur[MLX5_CAP_VDPA_EMULATION], cap)
+#define MLX5_CAP_IPSEC(mdev, cap)\
+ MLX5_GET(ipsec_cap, (mdev)->caps.hca_cur[MLX5_CAP_IPSEC], 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 3ad2c51ccde9..cf971d341189 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -886,7 +886,8 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits {
u8 tunnel_stateless_vxlan_gpe[0x1];
u8 tunnel_stateless_ipv4_over_vxlan[0x1];
u8 tunnel_stateless_ip_over_ip[0x1];
- u8 reserved_at_2a[0x6];
+ u8 insert_trailer[0x1];
+ u8 reserved_at_2b[0x5];
u8 max_vxlan_udp_ports[0x8];
u8 reserved_at_38[0x6];
u8 max_geneve_opt_len[0x1];
@@ -1100,6 +1101,23 @@ struct mlx5_ifc_tls_cap_bits {
u8 reserved_at_20[0x7e0];
};
+struct mlx5_ifc_ipsec_cap_bits {
+ u8 ipsec_full_offload[0x1];
+ u8 ipsec_crypto_offload[0x1];
+ u8 ipsec_esn[0x1];
+ u8 ipsec_crypto_esp_aes_gcm_256_encrypt[0x1];
+ u8 ipsec_crypto_esp_aes_gcm_128_encrypt[0x1];
+ u8 ipsec_crypto_esp_aes_gcm_256_decrypt[0x1];
+ u8 ipsec_crypto_esp_aes_gcm_128_decrypt[0x1];
+ u8 reserved_at_7[0x4];
+ u8 log_max_ipsec_offload[0x5];
+ u8 reserved_at_10[0x10];
+
+ u8 min_log_ipsec_full_replay_window[0x8];
+ u8 max_log_ipsec_full_replay_window[0x8];
+ u8 reserved_at_30[0x7d0];
+};
+
enum {
MLX5_WQ_TYPE_LINKED_LIST = 0x0,
MLX5_WQ_TYPE_CYCLIC = 0x1,
@@ -1464,7 +1482,8 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_at_460[0x3];
u8 log_max_uctx[0x5];
- u8 reserved_at_468[0x3];
+ u8 reserved_at_468[0x2];
+ u8 ipsec_offload[0x1];
u8 log_max_umem[0x5];
u8 max_num_eqs[0x10];
@@ -4143,7 +4162,8 @@ enum {
MLX5_SET_FTE_MODIFY_ENABLE_MASK_ACTION = 0x0,
MLX5_SET_FTE_MODIFY_ENABLE_MASK_FLOW_TAG = 0x1,
MLX5_SET_FTE_MODIFY_ENABLE_MASK_DESTINATION_LIST = 0x2,
- MLX5_SET_FTE_MODIFY_ENABLE_MASK_FLOW_COUNTERS = 0x3
+ MLX5_SET_FTE_MODIFY_ENABLE_MASK_FLOW_COUNTERS = 0x3,
+ MLX5_SET_FTE_MODIFY_ENABLE_MASK_IPSEC_OBJ_ID = 0x4
};
struct mlx5_ifc_set_fte_out_bits {
@@ -10468,10 +10488,62 @@ struct mlx5_ifc_affiliated_event_header_bits {
enum {
MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_ENCRYPTION_KEY = BIT(0xc),
+ MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_IPSEC = BIT(0x13),
};
enum {
MLX5_GENERAL_OBJECT_TYPES_ENCRYPTION_KEY = 0xc,
+ MLX5_GENERAL_OBJECT_TYPES_IPSEC = 0x13,
+};
+
+enum {
+ MLX5_IPSEC_OBJECT_ICV_LEN_16B,
+ MLX5_IPSEC_OBJECT_ICV_LEN_12B,
+ MLX5_IPSEC_OBJECT_ICV_LEN_8B,
+};
+
+struct mlx5_ifc_ipsec_obj_bits {
+ u8 modify_field_select[0x40];
+ u8 full_offload[0x1];
+ u8 reserved_at_41[0x1];
+ u8 esn_en[0x1];
+ u8 esn_overlap[0x1];
+ u8 reserved_at_44[0x2];
+ u8 icv_length[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 salt[0x20];
+
+ u8 implicit_iv[0x40];
+
+ u8 reserved_at_100[0x700];
+};
+
+struct mlx5_ifc_create_ipsec_obj_in_bits {
+ struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
+ struct mlx5_ifc_ipsec_obj_bits ipsec_object;
+};
+
+enum {
+ MLX5_MODIFY_IPSEC_BITMASK_ESN_OVERLAP = BIT(0),
+ MLX5_MODIFY_IPSEC_BITMASK_ESN_MSB = BIT(1),
+};
+
+struct mlx5_ifc_query_ipsec_obj_out_bits {
+ struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
+ struct mlx5_ifc_ipsec_obj_bits ipsec_object;
+};
+
+struct mlx5_ifc_modify_ipsec_obj_in_bits {
+ struct mlx5_ifc_general_obj_in_cmd_hdr_bits general_obj_in_cmd_hdr;
+ struct mlx5_ifc_ipsec_obj_bits ipsec_object;
};
struct mlx5_ifc_encryption_key_obj_bits {
--
2.25.3
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