Import kernel part of ncplib: netncp and nwfs

Reviewed by:	msmith, peter
Obtained from:	ncplib

1 files changed, 118 insertions, 0 deletions

diff --git a/sys/netncp/ncp_ncp.h b/sys/netncp/ncp_ncp.h
new file mode 100644
index 000000000000..1d5b479c30f3
--- /dev/null
+++ b/sys/netncp/ncp_ncp.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 1999, Boris Popov
+ * All rights reserved.
+ *
+ * Redistribution 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, 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    This product includes software developed by Boris Popov.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * 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 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+#ifndef _NCP_NCP_H_
+#define _NCP_NCP_H_
+
+#define NCP_ALLOC_SLOT		0x1111
+#define NCP_REQUEST		0x2222
+#define NCP_REPLY		0x3333
+#define NCP_FREE_SLOT		0x5555
+#define	NCP_PACKET_BURST	0x7777
+#define NCP_POSITIVE_ACK	0x9999
+
+/*
+ * Bits for connection state field in ncp_rphdr
+ */
+#define	NCP_CS_BAD_CONN		0x01	/* no such connection */
+#define	NCP_CS_NO_SLOTS		0x04	/* no connection slots available */
+#define	NCP_CS_SERVER_DOWN	0x10	/* server in down state */
+#define	NCP_CS_HAVE_BROADCAST	0x40	/* server holds broadcast for us */
+
+#define NCP_RETRY_COUNT		5
+#define	NCP_RETRY_TIMEOUT	10
+#define	NCP_RESTORE_COUNT	2	/* how many times try to restore per 
+					 * single request, should be an _even_ */
+
+struct ncp_rqhdr {
+	u_int16_t type;
+	u_int8_t  seq;
+	u_int8_t  conn_low;
+	u_int8_t  task;
+	u_int8_t  conn_high;
+	u_int8_t  fn;
+	u_int8_t  data[0];
+} __attribute__((packed));
+
+
+struct ncp_rphdr {
+	u_int16_t	type;
+	u_int8_t	seq;
+	u_int8_t	conn_low;
+	u_int8_t	task;
+	u_int8_t	conn_high;
+	u_int8_t	completion_code;
+	u_int8_t	connection_state;
+	u_int8_t	data[0];
+}__attribute__((packed));
+
+#define	BFL_ABT		0x04
+#define	BFL_EOB		0x10
+#define	BFL_SYS		0x80
+
+#define	BOP_READ	1L
+#define	BOP_WRITE	2L
+
+#define	BERR_NONE	0
+#define	BERR_INIT	1
+#define	BERR_IO		2
+#define	BERR_NODATA	3
+#define	BERR_WRITE	4
+
+struct ncp_bursthdr {
+	u_short	bh_type;
+	u_char	bh_flags;
+	u_char	bh_streamtype;
+	u_long	bh_srcid;
+	u_long	bh_dstid;
+	u_long	bh_seq;			/* HL */
+	u_long	bh_send_delay;		/* HL */
+	u_short	bh_bseq;		/* HL */
+	u_short	bh_aseq;		/* HL */
+	u_long	bh_blen;		/* HL */
+	u_long	bh_dofs;		/* HL */
+	u_short	bh_dlen;		/* HL */
+	u_short	bh_misfrags;		/* HL */
+} __attribute__((packed));
+
+
+int  ncp_request(struct ncp_conn *conn,struct ncp_rq *rqp);
+int  ncp_ncp_connect(struct ncp_conn *conn);
+int  ncp_ncp_disconnect(struct ncp_conn *conn);
+int  ncp_reconnect(struct ncp_conn *conn);
+int  ncp_connect(struct ncp_conn_args *li,struct proc *p, struct ucred *cred,struct ncp_conn **aconn);
+int  ncp_disconnect(struct ncp_conn *conn);
+int  ncp_login(struct ncp_conn *conn, char *user, int objtype, char *password,
+	  struct proc *p, struct ucred *cred);
+
+#endif /* _NCP_NCP_H_ */