/* $OpenBSD: rlnvar.h,v 1.7 2002/06/09 03:14:18 todd Exp $ */ /* * David Leonard <d@openbsd.org>, 1999. Public domain. * * Proxim RangeLAN2 soft state copy. */ #include <sys/timeout.h> /* * Mailboxes are used to communicate card-initiated messages * from the interrupt handler to other kernel threads. */ struct rln_mbox { void * mb_buf; /* Message buffer */ size_t mb_len; /* Message buffer size */ size_t mb_actlen; /* Actual message size */ u_int8_t mb_state; /* Mailbox state */ #define RLNMBOX_VOID 0 #define RLNMBOX_EMPTY 1 #define RLNMBOX_FILLING 2 #define RLNMBOX_FILLED 3 }; #define RLN_NMBOX 0x7c /* Same as max msg seq number */ /* Soft state */ struct rln_softc { struct device sc_dev; void *sc_ih; /* Interrupt handler */ struct arpcom sc_arpcom; /* Ethernet common part */ bus_space_tag_t sc_iot; /* Bus cookie */ bus_space_handle_t sc_ioh; /* Bus i/o handle */ struct timeout sc_timeout; u_int8_t sc_width; /* Bus transfer width */ u_int8_t sc_irq; /* IRQ for card */ u_int16_t sc_cardtype; /* Set from config flags */ #define RLN_CTYPE_OEM 0x01 #define RLN_CTYPE_UISA 0x02 #define RLN_CTYPE_ONE_PIECE 0x04 u_int8_t sc_intsel; /* Copy of INTSEL */ u_int8_t sc_status; /* Copy of STATUS */ u_int8_t sc_control; /* Copy of CONTROL */ #ifdef RLNDEBUG_REG u_int16_t dbg_oreg[8]; /* Last reg value written */ #endif u_int8_t sc_pktseq; /* Card message seq no */ u_int8_t sc_txseq; /* Tx packet seq no */ u_int16_t sc_state; /* Soft state. */ #define RLN_STATE_SYNC 0x0001 /* Card is synchronised */ #define RLN_STATE_NEEDINIT 0x0002 /* Card needs reset+init */ #define RLN_STATE_PROMISC 0x0004 /* Receive all packets */ struct rln_mbox sc_mbox[0x80]; /* Per-message mailboxes */ struct rln_param sc_param; /* User controlled parameters */ }; #define rln_need_reset(sc) \ (sc)->sc_state |= RLN_STATE_NEEDINIT /* Structure used to hold partial read state for rln_rx_pdata() */ struct rln_pdata { u_int8_t p_data; /* extra data read but not consumed */ int p_nremain; /* size of unconsumed data */ }; #define RLN_PDATA_INIT {0,0} /* Structure used to hold partial transmit state for rln_msg_tx_*() */ struct rln_msg_tx_state { int ien; /* saved interrupt state */ u_int8_t w; /* saved wakup state */ struct rln_pdata pd; /* saved partial write state */ }; struct rln_mm_cmd; /* fwd decl */ #define RLN_WAKEUP_SET 0xff #define RLN_WAKEUP_NOCHANGE (0x80|0x10) void rlnconfig(struct rln_softc *); int rlnintr(void *); void rlninit(struct rln_softc *); void rlnstop(struct rln_softc *); void rlnread(struct rln_softc *, struct rln_mm_cmd *, int); int rln_enable(struct rln_softc *, int); int rln_reset(struct rln_softc *); u_int8_t rln_wakeup(struct rln_softc *, u_int8_t); int rln_rx_request(struct rln_softc *, int); int rln_rx_data(struct rln_softc *, void *, int); void rln_rx_pdata(struct rln_softc *, void *, int, struct rln_pdata *); void rln_rx_end(struct rln_softc *); void rln_clear_nak(struct rln_softc *); u_int8_t rln_newseq(struct rln_softc *); void rln_msg_tx_data(struct rln_softc *, void *, u_int16_t, struct rln_msg_tx_state *); int rln_msg_tx_start(struct rln_softc *, void *, int, struct rln_msg_tx_state *); int rln_msg_tx_end(struct rln_softc *, struct rln_msg_tx_state *); int rln_msg_txrx(struct rln_softc *, void *, int, void *, int); int rln_mbox_create(struct rln_softc *, u_int8_t, void *, size_t); int rln_mbox_wait(struct rln_softc *, u_int8_t, int); int rln_mbox_lock(struct rln_softc *, u_int8_t, void **, size_t*); void rln_mbox_unlock(struct rln_softc *, u_int8_t, size_t); /* debug all card operations */ #ifdef RLNDEBUG #define dprintf(fmt, args...) printf(fmt , ## args) /* log(LOG_DEBUG, fmt , ## args) */ #define dprinthex(buf, len) do { \ unsigned char *_b = (unsigned char *)(buf); \ int _i, _l=(len); \ printf("{"); \ for(_i = 0; _i < _l; _i++) { \ printf("%02x", _b[_i]); \ if (_i % 4 == 3 && _i != _l - 1) \ printf(","); \ } \ printf("}"); \ } while (0) #else #define dprintf(fmt, args...) /* nothing */ #define dprinthex(buf, len) /* nothing */ #endif /* debug messages to/from card. prints 4-octet groups separated by commas */ #define RLNDUMP #define RLNDUMPHEX(buf, buflen) do { \ int _i; \ for (_i = 0; _i < (buflen); _i++) { \ printf("%02x", ((unsigned char *)(buf))[_i]); \ if (_i != (buflen) - 1 && _i % 4 == 3) \ printf(","); \ } \ } while (0)