1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2003-2012 Broadcom Corporation 5 * All Rights Reserved 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 25 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 27 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 28 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * $FreeBSD$ 31 */ 32 33#ifndef _NLMSECLIB_H_ 34#define _NLMSECLIB_H_ 35 36/* 37 * Cryptographic parameter definitions 38 */ 39#define XLP_SEC_DES_KEY_LENGTH 8 /* Bytes */ 40#define XLP_SEC_3DES_KEY_LENGTH 24 /* Bytes */ 41#define XLP_SEC_AES128_KEY_LENGTH 16 /* Bytes */ 42#define XLP_SEC_AES192_KEY_LENGTH 24 /* Bytes */ 43#define XLP_SEC_AES256_KEY_LENGTH 32 /* Bytes */ 44#define XLP_SEC_AES128F8_KEY_LENGTH 32 /* Bytes */ 45#define XLP_SEC_AES192F8_KEY_LENGTH 48 /* Bytes */ 46#define XLP_SEC_AES256F8_KEY_LENGTH 64 /* Bytes */ 47#define XLP_SEC_KASUMI_F8_KEY_LENGTH 16 /* Bytes */ 48#define XLP_SEC_MAX_CRYPT_KEY_LENGTH XLP_SEC_AES256F8_KEY_LENGTH 49 50 51#define XLP_SEC_DES_IV_LENGTH 8 /* Bytes */ 52#define XLP_SEC_AES_IV_LENGTH 16 /* Bytes */ 53#define XLP_SEC_ARC4_IV_LENGTH 0 /* Bytes */ 54#define XLP_SEC_KASUMI_F8_IV_LENGTH 16 /* Bytes */ 55#define XLP_SEC_MAX_IV_LENGTH 16 /* Bytes */ 56#define XLP_SEC_IV_LENGTH_BYTES 8 /* Bytes */ 57 58#define XLP_SEC_AES_BLOCK_SIZE 16 /* Bytes */ 59#define XLP_SEC_DES_BLOCK_SIZE 8 /* Bytes */ 60#define XLP_SEC_3DES_BLOCK_SIZE 8 /* Bytes */ 61 62#define XLP_SEC_MD5_BLOCK_SIZE 64 /* Bytes */ 63#define XLP_SEC_SHA1_BLOCK_SIZE 64 /* Bytes */ 64#define XLP_SEC_SHA256_BLOCK_SIZE 64 /* Bytes */ 65#define XLP_SEC_SHA384_BLOCK_SIZE 128 /* Bytes */ 66#define XLP_SEC_SHA512_BLOCK_SIZE 128 /* Bytes */ 67#define XLP_SEC_GCM_BLOCK_SIZE 16 /* XXX: Bytes */ 68#define XLP_SEC_KASUMI_F9_BLOCK_SIZE 16 /* XXX: Bytes */ 69#define XLP_SEC_MAX_BLOCK_SIZE 64 /* Max of MD5/SHA */ 70#define XLP_SEC_MD5_LENGTH 16 /* Bytes */ 71#define XLP_SEC_SHA1_LENGTH 20 /* Bytes */ 72#define XLP_SEC_SHA256_LENGTH 32 /* Bytes */ 73#define XLP_SEC_SHA384_LENGTH 64 /* Bytes */ 74#define XLP_SEC_SHA512_LENGTH 64 /* Bytes */ 75#define XLP_SEC_GCM_LENGTH 16 /* Bytes */ 76#define XLP_SEC_KASUMI_F9_LENGTH 16 /* Bytes */ 77#define XLP_SEC_KASUMI_F9_RESULT_LENGTH 4 /* Bytes */ 78#define XLP_SEC_HMAC_LENGTH 64 /* Max of MD5/SHA/SHA256 */ 79#define XLP_SEC_MAX_AUTH_KEY_LENGTH XLP_SEC_SHA512_BLOCK_SIZE 80#define XLP_SEC_MAX_RC4_STATE_SIZE 264 /* char s[256], int i, int j */ 81 82#define CRYPTO_ERROR(msg1) ((unsigned int)msg1) 83 84#define NLM_CRYPTO_LEFT_REQS (CMS_DEFAULT_CREDIT/2) 85#define NLM_CRYPTO_NUM_SEGS_REQD(__bufsize) \ 86 ((__bufsize + NLM_CRYPTO_MAX_SEG_LEN - 1) / NLM_CRYPTO_MAX_SEG_LEN) 87 88#define NLM_CRYPTO_PKT_DESC_SIZE(nsegs) (32 + (nsegs * 16)) 89 90extern unsigned int creditleft; 91 92struct xlp_sec_command { 93 struct cryptop *crp; 94 struct cryptodesc *enccrd, *maccrd; 95 struct xlp_sec_session *ses; 96 struct nlm_crypto_pkt_ctrl *ctrlp; 97 struct nlm_crypto_pkt_param *paramp; 98 void *iv; 99 uint8_t des3key[24]; 100 uint8_t *hashdest; 101 uint8_t hashsrc; 102 uint8_t hmacpad; 103 uint32_t hashoff; 104 uint32_t hashlen; 105 uint32_t cipheroff; 106 uint32_t cipherlen; 107 uint32_t ivoff; 108 uint32_t ivlen; 109 uint32_t hashalg; 110 uint32_t hashmode; 111 uint32_t cipheralg; 112 uint32_t ciphermode; 113 uint32_t nsegs; 114 uint32_t hash_dst_len; /* used to store hash alg dst size */ 115}; 116 117struct xlp_sec_session { 118 int hs_mlen; 119 uint8_t ses_iv[EALG_MAX_BLOCK_LEN]; 120 struct xlp_sec_command cmd; 121}; 122 123/* 124 * Holds data specific to nlm security accelerators 125 */ 126struct xlp_sec_softc { 127 device_t sc_dev; /* device backpointer */ 128 uint64_t sec_base; 129 int32_t sc_cid; 130 int sc_needwakeup; 131 uint32_t sec_vc_start; 132 uint32_t sec_vc_end; 133 uint32_t sec_msgsz; 134}; 135 136#ifdef NLM_SEC_DEBUG 137void print_crypto_params(struct xlp_sec_command *cmd, struct nlm_fmn_msg m); 138void xlp_sec_print_data(struct cryptop *crp); 139void print_cmd(struct xlp_sec_command *cmd); 140#endif 141int nlm_crypto_form_srcdst_segs(struct xlp_sec_command *cmd); 142int nlm_crypto_do_cipher(struct xlp_sec_softc *sc, 143 struct xlp_sec_command *cmd); 144int nlm_crypto_do_digest(struct xlp_sec_softc *sc, 145 struct xlp_sec_command *cmd); 146int nlm_crypto_do_cipher_digest(struct xlp_sec_softc *sc, 147 struct xlp_sec_command *cmd); 148int nlm_get_digest_param(struct xlp_sec_command *cmd); 149int nlm_get_cipher_param(struct xlp_sec_command *cmd); 150 151#endif /* _NLMSECLIB_H_ */ 152