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/* Copyright 2014 Freescale Semiconductor, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Freescale Semiconductor nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __DPAA_CAPWAP_DESC_H__
#define __DPAA_CAPWAP_DESC_H__
#include "pdb.h"
#include "desc_constr.h"
/* DPA CAPWAP Cipher Parameters */
struct cipher_params {
uint16_t cipher_type; /* Algorithm type as defined by SEC driver */
uint8_t *cipher_key; /* Address to the encryption key */
uint32_t cipher_key_len; /* Length in bytes of the normal key */
};
/* DPA CAPWAP Authentication Parameters */
struct auth_params {
uint32_t auth_type; /* Algorithm type as defined by SEC driver */
uint8_t *auth_key; /* Address to the normal key */
uint32_t auth_key_len; /* Length in bytes of the normal key */
uint8_t *split_key; /* Address to the generated split key */
uint32_t split_key_len; /* Length in bytes of the split key */
uint32_t split_key_pad_len;/* Length in bytes of the padded split key */
};
struct dpaa_capwap_sec_info {
int sec_era; /* SEC ERA information */
int sec_ver; /* SEC version information */
struct device *jrdev; /* Job ring device */
};
/* DPA CAPWAP cipher & authentication algorithm identifiers */
struct capwap_alg_suite {
uint32_t auth_alg;
uint32_t cipher_alg;
};
#define CAPWAP_ALGS_ENTRY(auth, cipher) {\
.auth_alg = OP_ALG_ALGSEL_ ## auth,\
.cipher_alg = OP_PCL_DTLS_ ## cipher\
}
#define CAPWAP_ALGS {\
CAPWAP_ALGS_ENTRY(SHA1, DES_CBC_SHA_2), \
CAPWAP_ALGS_ENTRY(MD5, DES_CBC_MD5), \
CAPWAP_ALGS_ENTRY(MD5, 3DES_EDE_CBC_MD5), \
CAPWAP_ALGS_ENTRY(SHA1, 3DES_EDE_CBC_SHA160), \
CAPWAP_ALGS_ENTRY(SHA384, 3DES_EDE_CBC_SHA384), \
CAPWAP_ALGS_ENTRY(SHA224, 3DES_EDE_CBC_SHA224), \
CAPWAP_ALGS_ENTRY(SHA512, 3DES_EDE_CBC_SHA512), \
CAPWAP_ALGS_ENTRY(SHA256, 3DES_EDE_CBC_SHA256), \
CAPWAP_ALGS_ENTRY(SHA1, AES_256_CBC_SHA160), \
CAPWAP_ALGS_ENTRY(SHA384, AES_256_CBC_SHA384), \
CAPWAP_ALGS_ENTRY(SHA224, AES_256_CBC_SHA224), \
CAPWAP_ALGS_ENTRY(SHA512, AES_256_CBC_SHA512), \
CAPWAP_ALGS_ENTRY(SHA256, AES_256_CBC_SHA256), \
CAPWAP_ALGS_ENTRY(SHA1, AES_128_CBC_SHA160), \
CAPWAP_ALGS_ENTRY(SHA384, AES_128_CBC_SHA384), \
CAPWAP_ALGS_ENTRY(SHA224, AES_128_CBC_SHA224), \
CAPWAP_ALGS_ENTRY(SHA512, AES_128_CBC_SHA512), \
CAPWAP_ALGS_ENTRY(SHA256, AES_128_CBC_SHA256), \
CAPWAP_ALGS_ENTRY(SHA1, AES_192_CBC_SHA160), \
CAPWAP_ALGS_ENTRY(SHA384, AES_192_CBC_SHA384), \
CAPWAP_ALGS_ENTRY(SHA224, AES_192_CBC_SHA224), \
CAPWAP_ALGS_ENTRY(SHA512, AES_192_CBC_SHA512), \
CAPWAP_ALGS_ENTRY(SHA256, AES_192_CBC_SHA256) \
}
struct preheader_t {
union {
uint32_t word;
struct {
unsigned int rsls:1;
unsigned int rsvd1_15:15;
unsigned int rsvd16_24:9;
unsigned int idlen:7;
} field;
} __packed hi;
union {
uint32_t word;
struct {
unsigned int rsvd32_33:2;
unsigned int fsgt:1;
unsigned int lng:1;
unsigned int offset:2;
unsigned int abs:1;
unsigned int add_buf:1;
uint8_t pool_id;
uint16_t pool_buffer_size;
} field;
} __packed lo;
} __packed;
struct init_descriptor_header_t {
union {
uint32_t word;
struct {
unsigned int ctype:5;
unsigned int rsvd5_6:2;
unsigned int dnr:1;
unsigned int one:1;
unsigned int rsvd9:1;
unsigned int start_idx:6;
unsigned int zro:1;
unsigned int rsvd17_18:2;
unsigned int sc:1;
unsigned int propogate_dnr:1;
unsigned int rsvd21:1;
unsigned int share:2;
unsigned int rsvd24_25:2;
unsigned int desc_len:6;
} field;
} __packed command;
} __packed;
struct dtls_encap_descriptor_t {
struct preheader_t prehdr;
struct init_descriptor_header_t deschdr;
struct dtls_block_encap_pdb pdb;
/* DCL library will fill following info */
uint32_t data_move_cmd[3]; /* For Storing Data Move Cmd */
uint32_t jump_cmd; /* For Storing Jump Command */
uint32_t auth_key[13]; /* Max Space for storing auth Key */
uint32_t enc_key[7]; /* Max Space for storing enc Key */
uint32_t operation_cmd; /* For operation Command */
} __packed;
struct dtls_decap_descriptor_t {
struct preheader_t prehdr;
struct init_descriptor_header_t deschdr;
struct dtls_block_decap_pdb pdb;
/* DCL library will fill following info */
uint32_t data_move_cmd[3]; /* For Storing Data Move Cmd */
uint32_t jump_cmd; /* For Storing Jump Command */
uint32_t auth_key[13]; /* Max Space for storing auth Key */
uint32_t dec_key[7]; /* Max Space for storing dec Key */
uint32_t operation_cmd; /* For operation Command */
} __packed;
#define SEC_DEF_VER 40 /* like in P4080 */
#define SEC_VER_5_3 53
int get_sec_info(struct dpaa_capwap_sec_info *secinfo);
int generate_split_key(struct auth_params *auth_param,
struct dpaa_capwap_sec_info *secinfo);
void cnstr_shdsc_dtls_decap(uint32_t *desc,
uint16_t *bufsize,
struct cipher_params *cipherdata,
struct auth_params *authdata,
uint32_t data_move_size);
void cnstr_shdsc_dtls_encap(uint32_t *desc,
uint16_t *bufsize,
struct cipher_params *cipherdata,
struct auth_params *authdata,
uint32_t data_move_size);
#endif /* __DPAA_CAPWAP_DESC_H__ */
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