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Diffstat (limited to 'package/ubsec_ssb/src/ubsecvar.h')
| -rw-r--r-- | package/ubsec_ssb/src/ubsecvar.h | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/package/ubsec_ssb/src/ubsecvar.h b/package/ubsec_ssb/src/ubsecvar.h new file mode 100644 index 0000000000..d218ea31f3 --- /dev/null +++ b/package/ubsec_ssb/src/ubsecvar.h @@ -0,0 +1,229 @@ +/* $Id: $ */ + +/* + * Copyright (c) 2008 Daniel Mueller (daniel@danm.de) + * 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. + * + * 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 */ + +#define DEFAULT_HMAC_LEN 12 + +struct ubsec_dma_alloc { + dma_addr_t dma_paddr; + void *dma_vaddr; + /* + bus_dmamap_t dma_map; + bus_dma_segment_t dma_seg; + */ + size_t dma_size; + /* + int dma_nseg; + */ +}; + +struct ubsec_q2 { + BSD_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 +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_aes256 ctxaes256; + struct ubsec_pktctx_aes192 ctxaes192; + struct ubsec_pktctx_des ctxdes; + struct ubsec_pktctx_aes128 ctxaes128; + struct ubsec_pktctx ctx; + } d_ctx; +}; + +struct ubsec_dma { + BSD_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 */ +#define UBS_FLAGS_AES 0x20 /* hardware AES support */ + +struct ubsec_q { + BSD_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 mbuf *q_src_m, *q_dst_m; + struct sk_buff *q_src_m, *q_dst_m; + struct uio *q_src_io, *q_dst_io; + + /* + bus_dmamap_t q_src_map; + bus_dmamap_t q_dst_map; + */ + + /* DMA addresses for In-/Out packages */ + int q_src_len; + int q_dst_len; + struct ubsec_dma_alloc q_src_map[UBS_MAX_SCATTER]; + struct ubsec_dma_alloc q_dst_map[UBS_MAX_SCATTER]; + int q_has_dst; + + int q_sesn; + int q_flags; +}; + +struct ubsec_softc { + softc_device_decl sc_dev; + struct ssb_device *sdev; /* device backpointer */ + + struct device *sc_dv; /* generic device */ + void *sc_ih; /* interrupt handler cookie */ + int sc_flags; /* device specific flags */ + u_int32_t sc_statmask; /* interrupt status mask */ + int32_t sc_cid; /* crypto tag */ + BSD_SIMPLEQ_HEAD(,ubsec_q) sc_queue; /* packet queue, mcr1 */ + int sc_nqueue; /* count enqueued, mcr1 */ + BSD_SIMPLEQ_HEAD(,ubsec_q) sc_qchip; /* on chip, mcr1 */ + BSD_SIMPLEQ_HEAD(,ubsec_q) sc_freequeue; /* list of free queue elements */ + BSD_SIMPLEQ_HEAD(,ubsec_q2) sc_queue2; /* packet queue, mcr2 */ + int sc_nqueue2; /* count enqueued, mcr2 */ + BSD_SIMPLEQ_HEAD(,ubsec_q2) sc_qchip2; /* on chip, mcr2 */ + int sc_nsessions; /* # of sessions */ + struct ubsec_session *sc_sessions; /* sessions */ + int sc_rnghz; /* rng poll time */ + struct ubsec_q2_rng sc_rng; + struct ubsec_dma sc_dmaa[UBS_MAX_NQUEUE]; + struct ubsec_q *sc_queuea[UBS_MAX_NQUEUE]; + BSD_SIMPLEQ_HEAD(,ubsec_q2) sc_q2free; /* free list */ + spinlock_t sc_ringmtx; /* PE ring lock */ +}; + +#define UBSEC_QFLAGS_COPYOUTIV 0x1 + +struct ubsec_session { + u_int32_t ses_used; + u_int32_t ses_key[8]; /* 3DES/AES key */ + u_int32_t ses_hminner[5]; /* hmac inner state */ + u_int32_t ses_hmouter[5]; /* hmac outer state */ + u_int32_t ses_iv[4]; /* [3]DES/AES iv */ + u_int32_t ses_keysize; /* AES key size */ + u_int32_t ses_mlen; /* hmac/hash length */ +}; + +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; + 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; +}; + +struct ubsec_generic_ctx { + u_int32_t pc_key[8]; /* [3]DES/AES key */ + u_int32_t pc_hminner[5]; /* hmac inner state */ + u_int32_t pc_hmouter[5]; /* hmac outer state */ + u_int32_t pc_iv[4]; /* [3]DES/AES iv */ + u_int16_t pc_flags; /* flags, below */ + u_int16_t pc_offset; /* crypto offset */ + u_int16_t pc_type; /* Cryptographic operation */ +}; + |