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/*-
* 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
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