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/* Copyright 2008-2012 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 _DPA_IPSEC_DESC_H_
#define _DPA_IPSEC_DESC_H_
#include "pdb.h"
#include "dpa_ipsec.h"
#include "desc_constr.h"
#define DPA_IPSEC_STATS_LEN 2 /* length in words */
#define MAX_CAAM_SHARED_DESCSIZE 50 /* If CAAM used with QI the maximum
* shared descriptor length is 50 words
*/
/* preheader */
struct preheader {
union {
uint32_t word;
struct {
uint16_t rsvd63_48;
unsigned int rsvd47_39:9;
unsigned int idlen:7;
} field;
} __packed hi;
union {
uint32_t word;
struct {
unsigned int rsvd31_30:2;
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 desc_hdr {
uint32_t hdr_word;
union {
struct ipsec_encap_pdb pdb_en;
struct ipsec_decap_pdb pdb_dec;
};
};
struct sec_descriptor {
struct preheader preheader; /* SEC preheader */
/* SEC Shared Descriptor */
union {
uint32_t desc[MAX_CAAM_DESCSIZE];
struct desc_hdr desc_hdr;
#define hdr_word desc_hdr.hdr_word
#define pdb_en desc_hdr.pdb_en
#define pdb_dec desc_hdr.pdb_dec
};
};
int get_sec_info(struct dpa_ipsec *dpa_ipsec);
int create_sec_descriptor(struct dpa_ipsec_sa *sa);
int generate_split_key(struct auth_params *auth_param);
int build_rjob_desc_ars_update(struct dpa_ipsec_sa *sa, enum dpa_ipsec_arw arw,
u32 msg_len);
int build_rjob_desc_seq_read(struct dpa_ipsec_sa *sa, u32 msg_len);
int build_rjob_desc_seq_write(struct dpa_ipsec_sa *sa, u32 msg_len);
#endif /* _DPA_IPSEC_DESC_H_ */
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