Resurrect the sbni(4) driver. Someone finally tested the MPSAFE patches and

the driver worked ok with them.

Tested by:	friends of yar

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