161 lines
4.5 KiB
C
161 lines
4.5 KiB
C
|
/*-
|
||
|
|
* 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
|