diff options
Diffstat (limited to 'drivers/crypto/amcc/crypto4xx_sa.h')
| -rw-r--r-- | drivers/crypto/amcc/crypto4xx_sa.h | 99 |
1 files changed, 87 insertions, 12 deletions
diff --git a/drivers/crypto/amcc/crypto4xx_sa.h b/drivers/crypto/amcc/crypto4xx_sa.h index 1352d58d4e34..a4d403528db5 100644 --- a/drivers/crypto/amcc/crypto4xx_sa.h +++ b/drivers/crypto/amcc/crypto4xx_sa.h @@ -55,6 +55,8 @@ union dynamic_sa_contents { #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 @@ -65,6 +67,8 @@ union dynamic_sa_contents { #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 @@ -112,6 +116,9 @@ union sa_command_0 { #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 @@ -169,7 +176,7 @@ union sa_command_1 { } __attribute__((packed)); struct dynamic_sa_ctl { - u32 sa_contents; + union dynamic_sa_contents sa_contents; union sa_command_0 sa_command_0; union sa_command_1 sa_command_1; } __attribute__((packed)); @@ -178,9 +185,12 @@ struct dynamic_sa_ctl { * State Record for Security Association (SA) */ struct sa_state_record { - u32 save_iv[4]; - u32 save_hash_byte_cnt[2]; - u32 save_digest[16]; + __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)); /** @@ -189,8 +199,8 @@ struct sa_state_record { */ struct dynamic_sa_aes128 { struct dynamic_sa_ctl ctrl; - u32 key[4]; - u32 iv[4]; /* for CBC, OFC, and CFB mode */ + __le32 key[4]; + __le32 iv[4]; /* for CBC, OFC, and CFB mode */ u32 state_ptr; u32 reserved; } __attribute__((packed)); @@ -203,8 +213,8 @@ struct dynamic_sa_aes128 { */ struct dynamic_sa_aes192 { struct dynamic_sa_ctl ctrl; - u32 key[6]; - u32 iv[4]; /* for CBC, OFC, and CFB mode */ + __le32 key[6]; + __le32 iv[4]; /* for CBC, OFC, and CFB mode */ u32 state_ptr; u32 reserved; } __attribute__((packed)); @@ -217,8 +227,8 @@ struct dynamic_sa_aes192 { */ struct dynamic_sa_aes256 { struct dynamic_sa_ctl ctrl; - u32 key[8]; - u32 iv[4]; /* for CBC, OFC, and CFB mode */ + __le32 key[8]; + __le32 iv[4]; /* for CBC, OFC, and CFB mode */ u32 state_ptr; u32 reserved; } __attribute__((packed)); @@ -228,16 +238,81 @@ struct dynamic_sa_aes256 { #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; - u32 inner_digest[5]; - u32 outer_digest[5]; + __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 |