310 lines
7.1 KiB
C
310 lines
7.1 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
||
|
|
/*
|
||
|
|
* AMCC SoC PPC4xx Crypto Driver
|
||
|
|
*
|
||
|
|
* Copyright (c) 2008 Applied Micro Circuits Corporation.
|
||
|
|
* All rights reserved. James Hsiao <jhsiao@amcc.com>
|
||
|
|
*
|
||
|
|
* This file defines the security context
|
||
|
|
* associate format.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __CRYPTO4XX_SA_H__
|
||
|
|
#define __CRYPTO4XX_SA_H__
|
||
|
|
|
||
|
|
#define AES_IV_SIZE 16
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Contents of Dynamic Security Association (SA) with all possible fields
|
||
|
|
*/
|
||
|
|
union dynamic_sa_contents {
|
||
|
|
struct {
|
||
|
|
u32 arc4_state_ptr:1;
|
||
|
|
u32 arc4_ij_ptr:1;
|
||
|
|
u32 state_ptr:1;
|
||
|
|
u32 iv3:1;
|
||
|
|
u32 iv2:1;
|
||
|
|
u32 iv1:1;
|
||
|
|
u32 iv0:1;
|
||
|
|
u32 seq_num_mask3:1;
|
||
|
|
u32 seq_num_mask2:1;
|
||
|
|
u32 seq_num_mask1:1;
|
||
|
|
u32 seq_num_mask0:1;
|
||
|
|
u32 seq_num1:1;
|
||
|
|
u32 seq_num0:1;
|
||
|
|
u32 spi:1;
|
||
|
|
u32 outer_size:5;
|
||
|
|
u32 inner_size:5;
|
||
|
|
u32 key_size:4;
|
||
|
|
u32 cmd_size:4;
|
||
|
|
} bf;
|
||
|
|
u32 w;
|
||
|
|
} __attribute__((packed));
|
||
|
|
|
||
|
|
#define DIR_OUTBOUND 0
|
||
|
|
#define DIR_INBOUND 1
|
||
|
|
#define SA_OP_GROUP_BASIC 0
|
||
|
|
#define SA_OPCODE_ENCRYPT 0
|
||
|
|
#define SA_OPCODE_DECRYPT 0
|
||
|
|
#define SA_OPCODE_ENCRYPT_HASH 1
|
||
|
|
#define SA_OPCODE_HASH_DECRYPT 1
|
||
|
|
#define SA_OPCODE_HASH 3
|
||
|
|
#define SA_CIPHER_ALG_DES 0
|
||
|
|
#define SA_CIPHER_ALG_3DES 1
|
||
|
|
#define SA_CIPHER_ALG_ARC4 2
|
||
|
|
#define SA_CIPHER_ALG_AES 3
|
||
|
|
#define SA_CIPHER_ALG_KASUMI 4
|
||
|
|
#define SA_CIPHER_ALG_NULL 15
|
||
|
|
|
||
|
|
#define SA_HASH_ALG_MD5 0
|
||
|
|
#define SA_HASH_ALG_SHA1 1
|
||
|
|
#define SA_HASH_ALG_GHASH 12
|
||
|
|
#define SA_HASH_ALG_CBC_MAC 14
|
||
|
|
#define SA_HASH_ALG_NULL 15
|
||
|
|
#define SA_HASH_ALG_SHA1_DIGEST_SIZE 20
|
||
|
|
|
||
|
|
#define SA_LOAD_HASH_FROM_SA 0
|
||
|
|
#define SA_LOAD_HASH_FROM_STATE 2
|
||
|
|
#define SA_NOT_LOAD_HASH 3
|
||
|
|
#define SA_LOAD_IV_FROM_SA 0
|
||
|
|
#define SA_LOAD_IV_FROM_INPUT 1
|
||
|
|
#define SA_LOAD_IV_FROM_STATE 2
|
||
|
|
#define SA_LOAD_IV_GEN_IV 3
|
||
|
|
|
||
|
|
#define SA_PAD_TYPE_CONSTANT 2
|
||
|
|
#define SA_PAD_TYPE_ZERO 3
|
||
|
|
#define SA_PAD_TYPE_TLS 5
|
||
|
|
#define SA_PAD_TYPE_DTLS 5
|
||
|
|
#define SA_NOT_SAVE_HASH 0
|
||
|
|
#define SA_SAVE_HASH 1
|
||
|
|
#define SA_NOT_SAVE_IV 0
|
||
|
|
#define SA_SAVE_IV 1
|
||
|
|
#define SA_HEADER_PROC 1
|
||
|
|
#define SA_NO_HEADER_PROC 0
|
||
|
|
|
||
|
|
union sa_command_0 {
|
||
|
|
struct {
|
||
|
|
u32 scatter:1;
|
||
|
|
u32 gather:1;
|
||
|
|
u32 save_hash_state:1;
|
||
|
|
u32 save_iv:1;
|
||
|
|
u32 load_hash_state:2;
|
||
|
|
u32 load_iv:2;
|
||
|
|
u32 digest_len:4;
|
||
|
|
u32 hdr_proc:1;
|
||
|
|
u32 extend_pad:1;
|
||
|
|
u32 stream_cipher_pad:1;
|
||
|
|
u32 rsv:1;
|
||
|
|
u32 hash_alg:4;
|
||
|
|
u32 cipher_alg:4;
|
||
|
|
u32 pad_type:2;
|
||
|
|
u32 op_group:2;
|
||
|
|
u32 dir:1;
|
||
|
|
u32 opcode:3;
|
||
|
|
} bf;
|
||
|
|
u32 w;
|
||
|
|
} __attribute__((packed));
|
||
|
|
|
||
|
|
#define CRYPTO_MODE_ECB 0
|
||
|
|
#define CRYPTO_MODE_CBC 1
|
||
|
|
#define CRYPTO_MODE_OFB 2
|
||
|
|
#define CRYPTO_MODE_CFB 3
|
||
|
|
#define CRYPTO_MODE_CTR 4
|
||
|
|
|
||
|
|
#define CRYPTO_FEEDBACK_MODE_NO_FB 0
|
||
|
|
#define CRYPTO_FEEDBACK_MODE_64BIT_OFB 0
|
||
|
|
#define CRYPTO_FEEDBACK_MODE_8BIT_CFB 1
|
||
|
|
#define CRYPTO_FEEDBACK_MODE_1BIT_CFB 2
|
||
|
|
#define CRYPTO_FEEDBACK_MODE_128BIT_CFB 3
|
||
|
|
|
||
|
|
#define SA_AES_KEY_LEN_128 2
|
||
|
|
#define SA_AES_KEY_LEN_192 3
|
||
|
|
#define SA_AES_KEY_LEN_256 4
|
||
|
|
|
||
|
|
#define SA_REV2 1
|
||
|
|
/*
|
||
|
|
* The follow defines bits sa_command_1
|
||
|
|
* In Basic hash mode this bit define simple hash or hmac.
|
||
|
|
* In IPsec mode, this bit define muting control.
|
||
|
|
*/
|
||
|
|
#define SA_HASH_MODE_HASH 0
|
||
|
|
#define SA_HASH_MODE_HMAC 1
|
||
|
|
#define SA_MC_ENABLE 0
|
||
|
|
#define SA_MC_DISABLE 1
|
||
|
|
#define SA_NOT_COPY_HDR 0
|
||
|
|
#define SA_COPY_HDR 1
|
||
|
|
#define SA_NOT_COPY_PAD 0
|
||
|
|
#define SA_COPY_PAD 1
|
||
|
|
#define SA_NOT_COPY_PAYLOAD 0
|
||
|
|
#define SA_COPY_PAYLOAD 1
|
||
|
|
#define SA_EXTENDED_SN_OFF 0
|
||
|
|
#define SA_EXTENDED_SN_ON 1
|
||
|
|
#define SA_SEQ_MASK_OFF 0
|
||
|
|
#define SA_SEQ_MASK_ON 1
|
||
|
|
|
||
|
|
union sa_command_1 {
|
||
|
|
struct {
|
||
|
|
u32 crypto_mode31:1;
|
||
|
|
u32 save_arc4_state:1;
|
||
|
|
u32 arc4_stateful:1;
|
||
|
|
u32 key_len:5;
|
||
|
|
u32 hash_crypto_offset:8;
|
||
|
|
u32 sa_rev:2;
|
||
|
|
u32 byte_offset:1;
|
||
|
|
u32 hmac_muting:1;
|
||
|
|
u32 feedback_mode:2;
|
||
|
|
u32 crypto_mode9_8:2;
|
||
|
|
u32 extended_seq_num:1;
|
||
|
|
u32 seq_num_mask:1;
|
||
|
|
u32 mutable_bit_proc:1;
|
||
|
|
u32 ip_version:1;
|
||
|
|
u32 copy_pad:1;
|
||
|
|
u32 copy_payload:1;
|
||
|
|
u32 copy_hdr:1;
|
||
|
|
u32 rsv1:1;
|
||
|
|
} bf;
|
||
|
|
u32 w;
|
||
|
|
} __attribute__((packed));
|
||
|
|
|
||
|
|
struct dynamic_sa_ctl {
|
||
|
|
union dynamic_sa_contents sa_contents;
|
||
|
|
union sa_command_0 sa_command_0;
|
||
|
|
union sa_command_1 sa_command_1;
|
||
|
|
} __attribute__((packed));
|
||
|
|
|
||
|
|
/*
|
||
|
|
* State Record for Security Association (SA)
|
||
|
|
*/
|
||
|
|
struct sa_state_record {
|
||
|
|
__le32 save_iv[4];
|
||
|
|
__le32 save_hash_byte_cnt[2];
|
||
|
|
union {
|
||
|
|
u32 save_digest[16]; /* for MD5/SHA */
|
||
|
|
__le32 save_digest_le32[16]; /* GHASH / CBC */
|
||
|
|
};
|
||
|
|
} __attribute__((packed));
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Security Association (SA) for AES128
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
struct dynamic_sa_aes128 {
|
||
|
|
struct dynamic_sa_ctl ctrl;
|
||
|
|
__le32 key[4];
|
||
|
|
__le32 iv[4]; /* for CBC, OFC, and CFB mode */
|
||
|
|
u32 state_ptr;
|
||
|
|
u32 reserved;
|
||
|
|
} __attribute__((packed));
|
||
|
|
|
||
|
|
#define SA_AES128_LEN (sizeof(struct dynamic_sa_aes128)/4)
|
||
|
|
#define SA_AES128_CONTENTS 0x3e000042
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Security Association (SA) for AES192
|
||
|
|
*/
|
||
|
|
struct dynamic_sa_aes192 {
|
||
|
|
struct dynamic_sa_ctl ctrl;
|
||
|
|
__le32 key[6];
|
||
|
|
__le32 iv[4]; /* for CBC, OFC, and CFB mode */
|
||
|
|
u32 state_ptr;
|
||
|
|
u32 reserved;
|
||
|
|
} __attribute__((packed));
|
||
|
|
|
||
|
|
#define SA_AES192_LEN (sizeof(struct dynamic_sa_aes192)/4)
|
||
|
|
#define SA_AES192_CONTENTS 0x3e000062
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Security Association (SA) for AES256
|
||
|
|
*/
|
||
|
|
struct dynamic_sa_aes256 {
|
||
|
|
struct dynamic_sa_ctl ctrl;
|
||
|
|
__le32 key[8];
|
||
|
|
__le32 iv[4]; /* for CBC, OFC, and CFB mode */
|
||
|
|
u32 state_ptr;
|
||
|
|
u32 reserved;
|
||
|
|
} __attribute__((packed));
|
||
|
|
|
||
|
|
#define SA_AES256_LEN (sizeof(struct dynamic_sa_aes256)/4)
|
||
|
|
#define SA_AES256_CONTENTS 0x3e000082
|
||
|
|
#define SA_AES_CONTENTS 0x3e000002
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Security Association (SA) for AES128 CCM
|
||
|
|
*/
|
||
|
|
struct dynamic_sa_aes128_ccm {
|
||
|
|
struct dynamic_sa_ctl ctrl;
|
||
|
|
__le32 key[4];
|
||
|
|
__le32 iv[4];
|
||
|
|
u32 state_ptr;
|
||
|
|
u32 reserved;
|
||
|
|
} __packed;
|
||
|
|
#define SA_AES128_CCM_LEN (sizeof(struct dynamic_sa_aes128_ccm)/4)
|
||
|
|
#define SA_AES128_CCM_CONTENTS 0x3e000042
|
||
|
|
#define SA_AES_CCM_CONTENTS 0x3e000002
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Security Association (SA) for AES128_GCM
|
||
|
|
*/
|
||
|
|
struct dynamic_sa_aes128_gcm {
|
||
|
|
struct dynamic_sa_ctl ctrl;
|
||
|
|
__le32 key[4];
|
||
|
|
__le32 inner_digest[4];
|
||
|
|
__le32 iv[4];
|
||
|
|
u32 state_ptr;
|
||
|
|
u32 reserved;
|
||
|
|
} __packed;
|
||
|
|
|
||
|
|
#define SA_AES128_GCM_LEN (sizeof(struct dynamic_sa_aes128_gcm)/4)
|
||
|
|
#define SA_AES128_GCM_CONTENTS 0x3e000442
|
||
|
|
#define SA_AES_GCM_CONTENTS 0x3e000402
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Security Association (SA) for HASH160: HMAC-SHA1
|
||
|
|
*/
|
||
|
|
struct dynamic_sa_hash160 {
|
||
|
|
struct dynamic_sa_ctl ctrl;
|
||
|
|
__le32 inner_digest[5];
|
||
|
|
__le32 outer_digest[5];
|
||
|
|
u32 state_ptr;
|
||
|
|
u32 reserved;
|
||
|
|
} __attribute__((packed));
|
||
|
|
#define SA_HASH160_LEN (sizeof(struct dynamic_sa_hash160)/4)
|
||
|
|
#define SA_HASH160_CONTENTS 0x2000a502
|
||
|
|
|
||
|
|
static inline u32
|
||
|
|
get_dynamic_sa_offset_state_ptr_field(struct dynamic_sa_ctl *cts)
|
||
|
|
{
|
||
|
|
u32 offset;
|
||
|
|
|
||
|
|
offset = cts->sa_contents.bf.key_size
|
||
|
|
+ cts->sa_contents.bf.inner_size
|
||
|
|
+ cts->sa_contents.bf.outer_size
|
||
|
|
+ cts->sa_contents.bf.spi
|
||
|
|
+ cts->sa_contents.bf.seq_num0
|
||
|
|
+ cts->sa_contents.bf.seq_num1
|
||
|
|
+ cts->sa_contents.bf.seq_num_mask0
|
||
|
|
+ cts->sa_contents.bf.seq_num_mask1
|
||
|
|
+ cts->sa_contents.bf.seq_num_mask2
|
||
|
|
+ cts->sa_contents.bf.seq_num_mask3
|
||
|
|
+ cts->sa_contents.bf.iv0
|
||
|
|
+ cts->sa_contents.bf.iv1
|
||
|
|
+ cts->sa_contents.bf.iv2
|
||
|
|
+ cts->sa_contents.bf.iv3;
|
||
|
|
|
||
|
|
return sizeof(struct dynamic_sa_ctl) + offset * 4;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __le32 *get_dynamic_sa_key_field(struct dynamic_sa_ctl *cts)
|
||
|
|
{
|
||
|
|
return (__le32 *) ((unsigned long)cts + sizeof(struct dynamic_sa_ctl));
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline __le32 *get_dynamic_sa_inner_digest(struct dynamic_sa_ctl *cts)
|
||
|
|
{
|
||
|
|
return (__le32 *) ((unsigned long)cts +
|
||
|
|
sizeof(struct dynamic_sa_ctl) +
|
||
|
|
cts->sa_contents.bf.key_size * 4);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|