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/* $FreeBSD: release/9.1.0/sys/dev/ubsec/ubsecvar.h 158705 2006-05-17 18:34:26Z pjd $ */
/* $OpenBSD: ubsecvar.h,v 1.35 2002/09/24 18:33:26 jason Exp $ */
/*-
* Copyright (c) 2000 Theo de Raadt
* Copyright (c) 2001 Patrik Lindergren (patrik@ipunplugged.com)
*
* 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.
*
* Effort sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F30602-01-2-0537.
*
*/
/* Maximum queue length */
#ifndef UBS_MAX_NQUEUE
#define UBS_MAX_NQUEUE 60
#endif
#define UBS_MAX_SCATTER 64 /* Maximum scatter/gather depth */
#ifndef UBS_MAX_AGGR
#define UBS_MAX_AGGR 5 /* Maximum aggregation count */
#endif
#define UBSEC_CARD(sid) (((sid) & 0xf0000000) >> 28)
#define UBSEC_SESSION(sid) ( (sid) & 0x0fffffff)
#define UBSEC_SID(crd, sesn) (((crd) << 28) | ((sesn) & 0x0fffffff))
#define UBS_DEF_RTY 0xff /* PCI Retry Timeout */
#define UBS_DEF_TOUT 0xff /* PCI TRDY Timeout */
#define UBS_DEF_CACHELINE 0x01 /* Cache Line setting */
#ifdef _KERNEL
struct ubsec_dma_alloc {
u_int32_t dma_paddr;
caddr_t dma_vaddr;
bus_dma_tag_t dma_tag;
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;
u_int q_type;
};
struct ubsec_q2_rng {
struct ubsec_q2 rng_q;
struct ubsec_dma_alloc rng_buf;
int rng_used;
};
/* C = (M ^ E) mod N */
#define UBS_MODEXP_PAR_M 0
#define UBS_MODEXP_PAR_E 1
#define UBS_MODEXP_PAR_N 2
#define UBS_MODEXP_PAR_C 3
struct ubsec_q2_modexp {
struct ubsec_q2 me_q;
struct cryptkop * me_krp;
struct ubsec_dma_alloc me_M;
struct ubsec_dma_alloc me_E;
struct ubsec_dma_alloc me_C;
struct ubsec_dma_alloc me_epb;
int me_modbits;
int me_shiftbits;
int me_normbits;
};
#define UBS_RSAPRIV_PAR_P 0
#define UBS_RSAPRIV_PAR_Q 1
#define UBS_RSAPRIV_PAR_DP 2
#define UBS_RSAPRIV_PAR_DQ 3
#define UBS_RSAPRIV_PAR_PINV 4
#define UBS_RSAPRIV_PAR_MSGIN 5
#define UBS_RSAPRIV_PAR_MSGOUT 6
struct ubsec_q2_rsapriv {
struct ubsec_q2 rpr_q;
struct cryptkop * rpr_krp;
struct ubsec_dma_alloc rpr_msgin;
struct ubsec_dma_alloc rpr_msgout;
};
#define UBSEC_RNG_BUFSIZ 16 /* measured in 32bit words */
struct ubsec_dmachunk {
struct ubsec_mcr d_mcr;
struct ubsec_mcr_add d_mcradd[UBS_MAX_AGGR-1];
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;
};
#define UBS_FLAGS_KEY 0x01 /* has key accelerator */
#define UBS_FLAGS_LONGCTX 0x02 /* uses long ipsec ctx */
#define UBS_FLAGS_BIGKEY 0x04 /* 2048bit keys */
#define UBS_FLAGS_HWNORM 0x08 /* hardware normalization */
#define UBS_FLAGS_RNG 0x10 /* hardware rng */
struct ubsec_operand {
union {
struct mbuf *m;
struct uio *io;
} u;
bus_dmamap_t map;
bus_size_t mapsize;
int nsegs;
bus_dma_segment_t segs[UBS_MAX_SCATTER];
};
struct ubsec_q {
SIMPLEQ_ENTRY(ubsec_q) q_next;
int q_nstacked_mcrs;
struct ubsec_q *q_stacked_mcr[UBS_MAX_AGGR-1];
struct cryptop *q_crp;
struct ubsec_dma *q_dma;
struct ubsec_operand q_src;
struct ubsec_operand q_dst;
int q_sesn;
int q_flags;
};
#define q_src_m q_src.u.m
#define q_src_io q_src.u.io
#define q_src_map q_src.map
#define q_src_nsegs q_src.nsegs
#define q_src_segs q_src.segs
#define q_src_mapsize q_src.mapsize
#define q_dst_m q_dst.u.m
#define q_dst_io q_dst.u.io
#define q_dst_map q_dst.map
#define q_dst_nsegs q_dst.nsegs
#define q_dst_segs q_dst.segs
#define q_dst_mapsize q_dst.mapsize
struct rndstate_test;
struct ubsec_softc {
device_t sc_dev; /* device backpointer */
struct resource *sc_irq;
void *sc_ih; /* interrupt handler cookie */
bus_space_handle_t sc_sh; /* memory handle */
bus_space_tag_t sc_st; /* memory tag */
struct resource *sc_sr; /* memory resource */
bus_dma_tag_t sc_dmat; /* dma tag */
int sc_flags; /* device specific flags */
int sc_suspended;
int sc_needwakeup; /* notify crypto layer */
u_int32_t sc_statmask; /* interrupt status mask */
int32_t sc_cid; /* crypto tag */
struct mtx sc_mcr1lock; /* mcr1 operation lock */
SIMPLEQ_HEAD(,ubsec_q) sc_queue; /* packet queue, mcr1 */
int sc_nqueue; /* count enqueued, mcr1 */
SIMPLEQ_HEAD(,ubsec_q) sc_qchip; /* on chip, mcr1 */
int sc_nqchip; /* count on chip, mcr1 */
struct mtx sc_freeqlock; /* freequeue lock */
SIMPLEQ_HEAD(,ubsec_q) sc_freequeue; /* list of free queue elements */
struct mtx sc_mcr2lock; /* mcr2 operation lock */
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 callout sc_rngto; /* rng timeout */
int sc_rnghz; /* rng poll time */
struct ubsec_q2_rng sc_rng;
struct rndtest_state *sc_rndtest; /* RNG test state */
void (*sc_harvest)(struct rndtest_state *,
void *, u_int);
struct ubsec_dma sc_dmaa[UBS_MAX_NQUEUE];
struct ubsec_q *sc_queuea[UBS_MAX_NQUEUE];
SIMPLEQ_HEAD(,ubsec_q2) sc_q2free; /* free list */
};
#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_mlen; /* hmac length */
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 */
};
#endif /* _KERNEL */
struct ubsec_stats {
u_int64_t hst_ibytes;
u_int64_t hst_obytes;
u_int32_t hst_ipackets;
u_int32_t hst_opackets;
u_int32_t hst_invalid; /* invalid argument */
u_int32_t hst_badsession; /* invalid session id */
u_int32_t hst_badflags; /* flags indicate !(mbuf | uio) */
u_int32_t hst_nodesc; /* op submitted w/o descriptors */
u_int32_t hst_badalg; /* unsupported algorithm */
u_int32_t hst_nomem;
u_int32_t hst_queuefull;
u_int32_t hst_dmaerr;
u_int32_t hst_mcrerr;
u_int32_t hst_nodmafree;
u_int32_t hst_lenmismatch; /* enc/auth lengths different */
u_int32_t hst_skipmismatch; /* enc part begins before auth part */
u_int32_t hst_iovmisaligned; /* iov op not aligned */
u_int32_t hst_noirq; /* IRQ for no reason */
u_int32_t hst_unaligned; /* unaligned src caused copy */
u_int32_t hst_nomap; /* bus_dmamap_create failed */
u_int32_t hst_noload; /* bus_dmamap_load_* failed */
u_int32_t hst_nombuf; /* MGET* failed */
u_int32_t hst_nomcl; /* MCLGET* failed */
u_int32_t hst_totbatch; /* ops submitted w/o interrupt */
u_int32_t hst_maxbatch; /* max ops submitted together */
u_int32_t hst_maxqueue; /* max ops queued for submission */
u_int32_t hst_maxqchip; /* max mcr1 ops out for processing */
u_int32_t hst_mcr1full; /* MCR1 too busy to take ops */
u_int32_t hst_rng; /* RNG requests */
u_int32_t hst_modexp; /* MOD EXP requests */
u_int32_t hst_modexpcrt; /* MOD EXP CRT requests */
};