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/* $OpenBSD: ubsecvar.h,v 1.22 2001/07/02 04:34:47 jason Exp $ */
/*
* Copyright (c) 2000 Theo de Raadt
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
*/
/* Maximum queue length */
#ifndef UBS_MAX_NQUEUE
#define UBS_MAX_NQUEUE 60
#endif
#define UBS_MAX_SCATTER 64 /* Maximum scatter/gather depth */
#define UBS_MAX_AGGR 5 /* Maximum aggregation count */
#define UBSEC_CARD(sid) (((sid) & 0xf0000000) >> 28)
#define UBSEC_SESSION(sid) ( (sid) & 0x0fffffff)
#define UBSEC_SID(crd, sesn) (((crd) << 28) | ((sesn) & 0x0fffffff))
struct ubsec_dma_alloc {
u_int32_t dma_paddr;
caddr_t dma_vaddr;
bus_dmamap_t dma_map;
bus_dma_segment_t dma_seg;
bus_size_t dma_size;
int dma_nseg;
};
struct ubsec_q2 {
SIMPLEQ_ENTRY(ubsec_q2) q_next;
struct ubsec_dma_alloc q_mcr;
struct ubsec_dma_alloc q_ctx;
};
struct ubsec_q2_rng {
struct ubsec_q2 rng_q;
struct ubsec_dma_alloc rng_buf;
int rng_used;
};
#define UBSEC_RNG_BUFSIZ 16 /* measured in 32bit words */
struct ubsec_dmachunk {
#if 0
struct ubsec_mcr d_mcr;
struct ubsec_mcr_add d_mcradd[UBS_MAX_AGGR-1];
#endif
struct ubsec_pktbuf d_sbuf[UBS_MAX_SCATTER-1];
struct ubsec_pktbuf d_dbuf[UBS_MAX_SCATTER-1];
u_int32_t d_macbuf[5];
union {
struct ubsec_pktctx_long ctxl;
struct ubsec_pktctx ctx;
} d_ctx;
};
struct ubsec_dma {
SIMPLEQ_ENTRY(ubsec_dma) d_next;
struct ubsec_dmachunk *d_dma;
struct ubsec_dma_alloc d_alloc;
};
struct ubsec_softc {
struct device sc_dv; /* generic device */
void *sc_ih; /* interrupt handler cookie */
bus_space_handle_t sc_sh; /* memory handle */
bus_space_tag_t sc_st; /* memory tag */
bus_dma_tag_t sc_dmat; /* dma tag */
int sc_flags; /* device specific flags */
u_int32_t sc_statmask; /* interrupt status mask */
int32_t sc_cid; /* crypto tag */
SIMPLEQ_HEAD(,ubsec_q) sc_queue; /* packet queue, mcr1 */
int sc_nqueue; /* count enqueued, mcr1 */
SIMPLEQ_HEAD(,ubsec_q) sc_qchip; /* on chip, mcr1 */
SIMPLEQ_HEAD(,ubsec_q2) sc_queue2; /* packet queue, mcr2 */
int sc_nqueue2; /* count enqueued, mcr2 */
SIMPLEQ_HEAD(,ubsec_q2) sc_qchip2; /* on chip, mcr2 */
int sc_nsessions; /* # of sessions */
struct ubsec_session *sc_sessions; /* sessions */
struct timeout sc_rngto; /* rng timeout */
int sc_rnghz; /* rng poll time */
struct ubsec_q2_rng sc_rng;
struct ubsec_dma sc_dmaa[UBS_MAX_NQUEUE];
SIMPLEQ_HEAD(,ubsec_dma) sc_dma;
};
#define UBS_FLAGS_KEY 0x01 /* has key accelerator */
#define UBS_FLAGS_LONGCTX 0x02 /* uses long ipsec ctx */
struct ubsec_q {
SIMPLEQ_ENTRY(ubsec_q) q_next;
struct cryptop *q_crp;
struct ubsec_mcr *q_mcr;
struct ubsec_pktbuf q_srcpkt[UBS_MAX_SCATTER-1];
struct ubsec_pktbuf q_dstpkt[UBS_MAX_SCATTER-1];
struct ubsec_dma *q_dma;
struct mbuf *q_src_m, *q_dst_m;
struct uio *q_src_io, *q_dst_io;
long q_src_packp[UBS_MAX_SCATTER];
int q_src_packl[UBS_MAX_SCATTER];
int q_src_npa, q_src_l;
long q_dst_packp[UBS_MAX_SCATTER];
int q_dst_packl[UBS_MAX_SCATTER];
int q_dst_npa, q_dst_l;
int q_sesn;
int q_flags;
};
#define UBSEC_QFLAGS_COPYOUTIV 0x1
struct ubsec_session {
u_int32_t ses_used;
u_int32_t ses_deskey[6]; /* 3DES key */
u_int32_t ses_hminner[5]; /* hmac inner state */
u_int32_t ses_hmouter[5]; /* hmac outer state */
u_int32_t ses_iv[2]; /* [3]DES iv */
};
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