| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Rob Rice | 807 | 100.00% | 1 | 100.00% |
| Total | 807 | 1 |
/* * Copyright 2016 Broadcom * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License, version 2, as * published by the Free Software Foundation (the "GPL"). * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License version 2 (GPLv2) for more details. * * You should have received a copy of the GNU General Public License * version 2 (GPLv2) along with this source code. */ /* * This file contains SPU message definitions specific to SPU2. */ #ifndef _SPU2_H #define _SPU2_H enum spu2_cipher_type { SPU2_CIPHER_TYPE_NONE = 0x0, SPU2_CIPHER_TYPE_AES128 = 0x1, SPU2_CIPHER_TYPE_AES192 = 0x2, SPU2_CIPHER_TYPE_AES256 = 0x3, SPU2_CIPHER_TYPE_DES = 0x4, SPU2_CIPHER_TYPE_3DES = 0x5, SPU2_CIPHER_TYPE_LAST }; enum spu2_cipher_mode { SPU2_CIPHER_MODE_ECB = 0x0, SPU2_CIPHER_MODE_CBC = 0x1, SPU2_CIPHER_MODE_CTR = 0x2, SPU2_CIPHER_MODE_CFB = 0x3, SPU2_CIPHER_MODE_OFB = 0x4, SPU2_CIPHER_MODE_XTS = 0x5, SPU2_CIPHER_MODE_CCM = 0x6, SPU2_CIPHER_MODE_GCM = 0x7, SPU2_CIPHER_MODE_LAST }; enum spu2_hash_type { SPU2_HASH_TYPE_NONE = 0x0, SPU2_HASH_TYPE_AES128 = 0x1, SPU2_HASH_TYPE_AES192 = 0x2, SPU2_HASH_TYPE_AES256 = 0x3, SPU2_HASH_TYPE_MD5 = 0x6, SPU2_HASH_TYPE_SHA1 = 0x7, SPU2_HASH_TYPE_SHA224 = 0x8, SPU2_HASH_TYPE_SHA256 = 0x9, SPU2_HASH_TYPE_SHA384 = 0xa, SPU2_HASH_TYPE_SHA512 = 0xb, SPU2_HASH_TYPE_SHA512_224 = 0xc, SPU2_HASH_TYPE_SHA512_256 = 0xd, SPU2_HASH_TYPE_SHA3_224 = 0xe, SPU2_HASH_TYPE_SHA3_256 = 0xf, SPU2_HASH_TYPE_SHA3_384 = 0x10, SPU2_HASH_TYPE_SHA3_512 = 0x11, SPU2_HASH_TYPE_LAST }; enum spu2_hash_mode { SPU2_HASH_MODE_CMAC = 0x0, SPU2_HASH_MODE_CBC_MAC = 0x1, SPU2_HASH_MODE_XCBC_MAC = 0x2, SPU2_HASH_MODE_HMAC = 0x3, SPU2_HASH_MODE_RABIN = 0x4, SPU2_HASH_MODE_CCM = 0x5, SPU2_HASH_MODE_GCM = 0x6, SPU2_HASH_MODE_RESERVED = 0x7, SPU2_HASH_MODE_LAST }; enum spu2_ret_md_opts { SPU2_RET_NO_MD = 0, /* return no metadata */ SPU2_RET_FMD_OMD = 1, /* return both FMD and OMD */ SPU2_RET_FMD_ONLY = 2, /* return only FMD */ SPU2_RET_FMD_OMD_IV = 3, /* return FMD and OMD with just IVs */ }; /* Fixed Metadata format */ struct SPU2_FMD { u64 ctrl0; u64 ctrl1; u64 ctrl2; u64 ctrl3; }; #define FMD_SIZE sizeof(struct SPU2_FMD) /* Fixed part of request message header length in bytes. Just FMD. */ #define SPU2_REQ_FIXED_LEN FMD_SIZE #define SPU2_HEADER_ALLOC_LEN (SPU_REQ_FIXED_LEN + \ 2 * MAX_KEY_SIZE + 2 * MAX_IV_SIZE) /* FMD ctrl0 field masks */ #define SPU2_CIPH_ENCRYPT_EN 0x1 /* 0: decrypt, 1: encrypt */ #define SPU2_CIPH_TYPE 0xF0 /* one of spu2_cipher_type */ #define SPU2_CIPH_TYPE_SHIFT 4 #define SPU2_CIPH_MODE 0xF00 /* one of spu2_cipher_mode */ #define SPU2_CIPH_MODE_SHIFT 8 #define SPU2_CFB_MASK 0x7000 /* cipher feedback mask */ #define SPU2_CFB_MASK_SHIFT 12 #define SPU2_PROTO_SEL 0xF00000 /* MACsec, IPsec, TLS... */ #define SPU2_PROTO_SEL_SHIFT 20 #define SPU2_HASH_FIRST 0x1000000 /* 1: hash input is input pkt * data */ #define SPU2_CHK_TAG 0x2000000 /* 1: check digest provided */ #define SPU2_HASH_TYPE 0x1F0000000 /* one of spu2_hash_type */ #define SPU2_HASH_TYPE_SHIFT 28 #define SPU2_HASH_MODE 0xF000000000 /* one of spu2_hash_mode */ #define SPU2_HASH_MODE_SHIFT 36 #define SPU2_CIPH_PAD_EN 0x100000000000 /* 1: Add pad to end of payload for * enc */ #define SPU2_CIPH_PAD 0xFF000000000000 /* cipher pad value */ #define SPU2_CIPH_PAD_SHIFT 48 /* FMD ctrl1 field masks */ #define SPU2_TAG_LOC 0x1 /* 1: end of payload, 0: undef */ #define SPU2_HAS_FR_DATA 0x2 /* 1: msg has frame data */ #define SPU2_HAS_AAD1 0x4 /* 1: msg has AAD1 field */ #define SPU2_HAS_NAAD 0x8 /* 1: msg has NAAD field */ #define SPU2_HAS_AAD2 0x10 /* 1: msg has AAD2 field */ #define SPU2_HAS_ESN 0x20 /* 1: msg has ESN field */ #define SPU2_HASH_KEY_LEN 0xFF00 /* len of hash key in bytes. * HMAC only. */ #define SPU2_HASH_KEY_LEN_SHIFT 8 #define SPU2_CIPH_KEY_LEN 0xFF00000 /* len of cipher key in bytes */ #define SPU2_CIPH_KEY_LEN_SHIFT 20 #define SPU2_GENIV 0x10000000 /* 1: hw generates IV */ #define SPU2_HASH_IV 0x20000000 /* 1: IV incl in hash */ #define SPU2_RET_IV 0x40000000 /* 1: return IV in output msg * b4 payload */ #define SPU2_RET_IV_LEN 0xF00000000 /* length in bytes of IV returned. * 0 = 16 bytes */ #define SPU2_RET_IV_LEN_SHIFT 32 #define SPU2_IV_OFFSET 0xF000000000 /* gen IV offset */ #define SPU2_IV_OFFSET_SHIFT 36 #define SPU2_IV_LEN 0x1F0000000000 /* length of input IV in bytes */ #define SPU2_IV_LEN_SHIFT 40 #define SPU2_HASH_TAG_LEN 0x7F000000000000 /* hash tag length in bytes */ #define SPU2_HASH_TAG_LEN_SHIFT 48 #define SPU2_RETURN_MD 0x300000000000000 /* return metadata */ #define SPU2_RETURN_MD_SHIFT 56 #define SPU2_RETURN_FD 0x400000000000000 #define SPU2_RETURN_AAD1 0x800000000000000 #define SPU2_RETURN_NAAD 0x1000000000000000 #define SPU2_RETURN_AAD2 0x2000000000000000 #define SPU2_RETURN_PAY 0x4000000000000000 /* return payload */ /* FMD ctrl2 field masks */ #define SPU2_AAD1_OFFSET 0xFFF /* byte offset of AAD1 field */ #define SPU2_AAD1_LEN 0xFF000 /* length of AAD1 in bytes */ #define SPU2_AAD1_LEN_SHIFT 12 #define SPU2_AAD2_OFFSET 0xFFF00000 /* byte offset of AAD2 field */ #define SPU2_AAD2_OFFSET_SHIFT 20 #define SPU2_PL_OFFSET 0xFFFFFFFF00000000 /* payload offset from AAD2 */ #define SPU2_PL_OFFSET_SHIFT 32 /* FMD ctrl3 field masks */ #define SPU2_PL_LEN 0xFFFFFFFF /* payload length in bytes */ #define SPU2_TLS_LEN 0xFFFF00000000 /* TLS encrypt: cipher len * TLS decrypt: compressed len */ #define SPU2_TLS_LEN_SHIFT 32 /* * Max value that can be represented in the Payload Length field of the * ctrl3 word of FMD. */ #define SPU2_MAX_PAYLOAD SPU2_PL_LEN /* Error values returned in STATUS field of response messages */ #define SPU2_INVALID_ICV 1 void spu2_dump_msg_hdr(u8 *buf, unsigned int buf_len); u32 spu2_ctx_max_payload(enum spu_cipher_alg cipher_alg, enum spu_cipher_mode cipher_mode, unsigned int blocksize); u32 spu2_payload_length(u8 *spu_hdr); u16 spu2_response_hdr_len(u16 auth_key_len, u16 enc_key_len, bool is_hash); u16 spu2_hash_pad_len(enum hash_alg hash_alg, enum hash_mode hash_mode, u32 chunksize, u16 hash_block_size); u32 spu2_gcm_ccm_pad_len(enum spu_cipher_mode cipher_mode, unsigned int data_size); u32 spu2_assoc_resp_len(enum spu_cipher_mode cipher_mode, unsigned int assoc_len, unsigned int iv_len, bool is_encrypt); u8 spu2_aead_ivlen(enum spu_cipher_mode cipher_mode, u16 iv_len); enum hash_type spu2_hash_type(u32 src_sent); u32 spu2_digest_size(u32 alg_digest_size, enum hash_alg alg, enum hash_type htype); u32 spu2_create_request(u8 *spu_hdr, struct spu_request_opts *req_opts, struct spu_cipher_parms *cipher_parms, struct spu_hash_parms *hash_parms, struct spu_aead_parms *aead_parms, unsigned int data_size); u16 spu2_cipher_req_init(u8 *spu_hdr, struct spu_cipher_parms *cipher_parms); void spu2_cipher_req_finish(u8 *spu_hdr, u16 spu_req_hdr_len, unsigned int is_inbound, struct spu_cipher_parms *cipher_parms, bool update_key, unsigned int data_size); void spu2_request_pad(u8 *pad_start, u32 gcm_padding, u32 hash_pad_len, enum hash_alg auth_alg, enum hash_mode auth_mode, unsigned int total_sent, u32 status_padding); u8 spu2_xts_tweak_in_payload(void); u8 spu2_tx_status_len(void); u8 spu2_rx_status_len(void); int spu2_status_process(u8 *statp); void spu2_ccm_update_iv(unsigned int digestsize, struct spu_cipher_parms *cipher_parms, unsigned int assoclen, unsigned int chunksize, bool is_encrypt, bool is_esp); u32 spu2_wordalign_padlen(u32 data_size); #endif
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