158 lines
5.4 KiB
C
158 lines
5.4 KiB
C
/*-
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* Copyright (c) 2003-2012 Broadcom Corporation
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* All Rights Reserved
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NLMSECLIB_H_
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#define _NLMSECLIB_H_
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/*
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* Cryptographic parameter definitions
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*/
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#define XLP_SEC_DES_KEY_LENGTH 8 /* Bytes */
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#define XLP_SEC_3DES_KEY_LENGTH 24 /* Bytes */
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#define XLP_SEC_AES128_KEY_LENGTH 16 /* Bytes */
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#define XLP_SEC_AES192_KEY_LENGTH 24 /* Bytes */
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#define XLP_SEC_AES256_KEY_LENGTH 32 /* Bytes */
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#define XLP_SEC_AES128F8_KEY_LENGTH 32 /* Bytes */
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#define XLP_SEC_AES192F8_KEY_LENGTH 48 /* Bytes */
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#define XLP_SEC_AES256F8_KEY_LENGTH 64 /* Bytes */
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#define XLP_SEC_KASUMI_F8_KEY_LENGTH 16 /* Bytes */
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#define XLP_SEC_MAX_CRYPT_KEY_LENGTH XLP_SEC_AES256F8_KEY_LENGTH
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#define XLP_SEC_DES_IV_LENGTH 8 /* Bytes */
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#define XLP_SEC_AES_IV_LENGTH 16 /* Bytes */
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#define XLP_SEC_ARC4_IV_LENGTH 0 /* Bytes */
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#define XLP_SEC_KASUMI_F8_IV_LENGTH 16 /* Bytes */
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#define XLP_SEC_MAX_IV_LENGTH 16 /* Bytes */
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#define XLP_SEC_IV_LENGTH_BYTES 8 /* Bytes */
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#define XLP_SEC_AES_BLOCK_SIZE 16 /* Bytes */
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#define XLP_SEC_DES_BLOCK_SIZE 8 /* Bytes */
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#define XLP_SEC_3DES_BLOCK_SIZE 8 /* Bytes */
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#define XLP_SEC_MD5_BLOCK_SIZE 64 /* Bytes */
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#define XLP_SEC_SHA1_BLOCK_SIZE 64 /* Bytes */
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#define XLP_SEC_SHA256_BLOCK_SIZE 64 /* Bytes */
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#define XLP_SEC_SHA384_BLOCK_SIZE 128 /* Bytes */
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#define XLP_SEC_SHA512_BLOCK_SIZE 128 /* Bytes */
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#define XLP_SEC_GCM_BLOCK_SIZE 16 /* XXX: Bytes */
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#define XLP_SEC_KASUMI_F9_BLOCK_SIZE 16 /* XXX: Bytes */
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#define XLP_SEC_MAX_BLOCK_SIZE 64 /* Max of MD5/SHA */
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#define XLP_SEC_MD5_LENGTH 16 /* Bytes */
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#define XLP_SEC_SHA1_LENGTH 20 /* Bytes */
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#define XLP_SEC_SHA256_LENGTH 32 /* Bytes */
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#define XLP_SEC_SHA384_LENGTH 64 /* Bytes */
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#define XLP_SEC_SHA512_LENGTH 64 /* Bytes */
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#define XLP_SEC_GCM_LENGTH 16 /* Bytes */
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#define XLP_SEC_KASUMI_F9_LENGTH 16 /* Bytes */
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#define XLP_SEC_KASUMI_F9_RESULT_LENGTH 4 /* Bytes */
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#define XLP_SEC_HMAC_LENGTH 64 /* Max of MD5/SHA/SHA256 */
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#define XLP_SEC_MAX_AUTH_KEY_LENGTH XLP_SEC_SHA512_BLOCK_SIZE
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#define XLP_SEC_MAX_RC4_STATE_SIZE 264 /* char s[256], int i, int j */
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#define XLP_SEC_SESSION(sid) ((sid) & 0x000007ff)
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#define XLP_SEC_SID(crd,ses) (((crd) << 28) | ((ses) & 0x7ff))
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#define CRYPTO_ERROR(msg1) ((unsigned int)msg1)
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#define NLM_CRYPTO_LEFT_REQS (CMS_DEFAULT_CREDIT/2)
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#define NLM_CRYPTO_NUM_SEGS_REQD(__bufsize) \
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((__bufsize + NLM_CRYPTO_MAX_SEG_LEN - 1) / NLM_CRYPTO_MAX_SEG_LEN)
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#define NLM_CRYPTO_PKT_DESC_SIZE(nsegs) (32 + (nsegs * 16))
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extern unsigned int creditleft;
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struct xlp_sec_command {
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uint16_t session_num;
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struct cryptop *crp;
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struct cryptodesc *enccrd, *maccrd;
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struct xlp_sec_session *ses;
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struct nlm_crypto_pkt_ctrl *ctrlp;
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struct nlm_crypto_pkt_param *paramp;
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void *iv;
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uint8_t des3key[24];
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uint8_t *hashdest;
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uint8_t hashsrc;
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uint8_t hmacpad;
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uint32_t hashoff;
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uint32_t hashlen;
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uint32_t cipheroff;
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uint32_t cipherlen;
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uint32_t ivoff;
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uint32_t ivlen;
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uint32_t hashalg;
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uint32_t hashmode;
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uint32_t cipheralg;
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uint32_t ciphermode;
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uint32_t nsegs;
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uint32_t hash_dst_len; /* used to store hash alg dst size */
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};
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struct xlp_sec_session {
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uint32_t sessionid;
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int hs_used;
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int hs_mlen;
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uint8_t ses_iv[EALG_MAX_BLOCK_LEN];
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struct xlp_sec_command cmd;
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};
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/*
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* Holds data specific to nlm security accelerators
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*/
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struct xlp_sec_softc {
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device_t sc_dev; /* device backpointer */
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uint64_t sec_base;
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int32_t sc_cid;
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struct xlp_sec_session *sc_sessions;
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int sc_nsessions;
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int sc_needwakeup;
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uint32_t sec_vc_start;
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uint32_t sec_vc_end;
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uint32_t sec_msgsz;
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};
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#ifdef NLM_SEC_DEBUG
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void print_crypto_params(struct xlp_sec_command *cmd, struct nlm_fmn_msg m);
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void xlp_sec_print_data(struct cryptop *crp);
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void print_cmd(struct xlp_sec_command *cmd);
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#endif
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int nlm_crypto_form_srcdst_segs(struct xlp_sec_command *cmd);
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int nlm_crypto_do_cipher(struct xlp_sec_softc *sc,
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struct xlp_sec_command *cmd);
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int nlm_crypto_do_digest(struct xlp_sec_softc *sc,
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struct xlp_sec_command *cmd);
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int nlm_crypto_do_cipher_digest(struct xlp_sec_softc *sc,
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struct xlp_sec_command *cmd);
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int nlm_get_digest_param(struct xlp_sec_command *cmd);
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int nlm_get_cipher_param(struct xlp_sec_command *cmd);
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#endif /* _NLMSECLIB_H_ */
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