diff options
Diffstat (limited to 'sys/dev/sbni/if_sbnivar.h')
| -rw-r--r-- | sys/dev/sbni/if_sbnivar.h | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/sys/dev/sbni/if_sbnivar.h b/sys/dev/sbni/if_sbnivar.h new file mode 100644 index 0000000..2d069c6 --- /dev/null +++ b/sys/dev/sbni/if_sbnivar.h @@ -0,0 +1,160 @@ +/*- + * Copyright (c) 1997-2001 Granch, Ltd. All rights reserved. + * Author: Denis I.Timofeev <timofeev@granch.ru> + * + * Redistributon 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 unmodified, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 NEIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * SBNI12 definitions + */ + +/* + * CONFIGURATION PARAMETER: + * + * Uncomment this if you want to use model SBNI12D-11/ISA with same IRQ + * for both first and second channels. + */ +#define SBNI_DUAL_COMPOUND 1 + +#define SBNI_DEBUG 0 + +#if SBNI_DEBUG +#define DP(A) A +#else +#define DP(A) +#endif + +struct sbni_in_stats { + u_int32_t all_rx_number; + u_int32_t bad_rx_number; + u_int32_t timeout_number; + u_int32_t all_tx_number; + u_int32_t resend_tx_number; +}; + +struct sbni_flags { + u_int mac_addr : 24; + u_int rxl : 4; + u_int rate : 2; + u_int fixed_rxl : 1; + u_int fixed_rate : 1; +}; + + +#ifdef _KERNEL /* to avoid compile this decls with sbniconfig */ + +struct sbni_softc { + struct ifnet *ifp; + device_t dev; + u_char enaddr[6]; + + int io_rid; + struct resource *io_res; + int io_off; + + int irq_rid; + struct resource *irq_res; + void *irq_handle; + + struct mbuf *rx_buf_p; /* receive buffer ptr */ + struct mbuf *tx_buf_p; /* transmit buffer ptr */ + + u_int pktlen; /* length of transmitting pkt */ + u_int framelen; /* current frame length */ + u_int maxframe; /* maximum valid frame length */ + u_int state; + u_int inppos; /* positions in rx/tx buffers */ + u_int outpos; /* positions in rx/tx buffers */ + + /* transmitting frame number - from frames qty to 1 */ + u_int tx_frameno; + + /* expected number of next receiving frame */ + u_int wait_frameno; + + /* count of failed attempts to frame send - 32 attempts do before + error - while receiver tunes on opposite side of wire */ + u_int trans_errors; + + /* idle time; send pong when limit exceeded */ + u_int timer_ticks; + + /* fields used for receive level autoselection */ + int delta_rxl; + u_int cur_rxl_index; + u_int timeout_rxl; + u_int32_t cur_rxl_rcvd; + u_int32_t prev_rxl_rcvd; + + struct sbni_csr1 csr1; /* current value of CSR1 */ + struct sbni_in_stats in_stats; /* internal statistics */ + + struct callout wch; + struct mtx lock; + + struct sbni_softc *slave_sc; + +#ifdef SBNI_DUAL_COMPOUND + struct sbni_softc *link; +#endif +}; + +#define SBNI_LOCK(sc) mtx_lock(&(sc)->lock) +#define SBNI_UNLOCK(sc) mtx_unlock(&(sc)->lock) +#define SBNI_ASSERT_LOCKED(sc) mtx_assert(&(sc)->lock, MA_OWNED) + +void sbni_intr(void *); +int sbni_probe(struct sbni_softc *); +int sbni_attach(struct sbni_softc *, int, struct sbni_flags); +void sbni_detach(struct sbni_softc *); +void sbni_release_resources(struct sbni_softc *); + +extern u_int32_t next_sbni_unit; + +#ifdef SBNI_DUAL_COMPOUND +void sbni_add(struct sbni_softc *); +struct sbni_softc *connect_to_master(struct sbni_softc *); +#endif +#endif /* _KERNEL */ + +/* + * SBNI socket ioctl params + */ +#define SIOCGHWFLAGS _IOWR('i', 62, struct ifreq) /* get flags */ +#define SIOCSHWFLAGS _IOWR('i', 61, struct ifreq) /* set flags */ +#define SIOCGINSTATS _IOWR('i', 60, struct ifreq) /* get internal stats */ +#define SIOCRINSTATS _IOWR('i', 63, struct ifreq) /* reset internal stats */ + + +/* + * CRC-32 stuff + */ +#define CRC32(c,crc) (crc32tab[((size_t)(crc) ^ (c)) & 0xff] ^ (((crc) >> 8) & 0x00ffffff)) + /* CRC generator EDB88320 */ + /* CRC remainder 2144DF1C */ + /* CRC initial value 0 */ +#define CRC32_REMAINDER 0x2144df1c +#define CRC32_INITIAL 0x00000000 |
