119 lines
3.8 KiB
C
119 lines
3.8 KiB
C
/*
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* Copyright (c) 1999, Boris Popov
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Boris Popov.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NETNCP_NCP_NCP_H_
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#define _NETNCP_NCP_NCP_H_
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#define NCP_ALLOC_SLOT 0x1111
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#define NCP_REQUEST 0x2222
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#define NCP_REPLY 0x3333
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#define NCP_FREE_SLOT 0x5555
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#define NCP_PACKET_BURST 0x7777
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#define NCP_POSITIVE_ACK 0x9999
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/*
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* Bits for connection state field in ncp_rphdr
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*/
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#define NCP_CS_BAD_CONN 0x01 /* no such connection */
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#define NCP_CS_NO_SLOTS 0x04 /* no connection slots available */
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#define NCP_CS_SERVER_DOWN 0x10 /* server in down state */
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#define NCP_CS_HAVE_BROADCAST 0x40 /* server holds broadcast for us */
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#define NCP_RETRY_COUNT 5
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#define NCP_RETRY_TIMEOUT 10
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#define NCP_RESTORE_COUNT 2 /* how many times try to restore per
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* single request, should be an _even_ */
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struct ncp_rqhdr {
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u_int16_t type;
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u_int8_t seq;
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u_int8_t conn_low;
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u_int8_t task;
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u_int8_t conn_high;
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u_int8_t fn;
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u_int8_t data[0];
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} __attribute__((packed));
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struct ncp_rphdr {
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u_int16_t type;
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u_int8_t seq;
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u_int8_t conn_low;
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u_int8_t task;
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u_int8_t conn_high;
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u_int8_t completion_code;
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u_int8_t connection_state;
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u_int8_t data[0];
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}__attribute__((packed));
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#define BFL_ABT 0x04
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#define BFL_EOB 0x10
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#define BFL_SYS 0x80
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#define BOP_READ 1L
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#define BOP_WRITE 2L
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#define BERR_NONE 0
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#define BERR_INIT 1
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#define BERR_IO 2
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#define BERR_NODATA 3
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#define BERR_WRITE 4
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struct ncp_bursthdr {
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u_short bh_type;
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u_char bh_flags;
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u_char bh_streamtype;
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u_long bh_srcid;
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u_long bh_dstid;
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u_long bh_seq; /* HL */
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u_long bh_send_delay; /* HL */
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u_short bh_bseq; /* HL */
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u_short bh_aseq; /* HL */
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u_long bh_blen; /* HL */
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u_long bh_dofs; /* HL */
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u_short bh_dlen; /* HL */
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u_short bh_misfrags; /* HL */
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} __attribute__((packed));
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int ncp_request(struct ncp_conn *conn,struct ncp_rq *rqp);
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int ncp_ncp_connect(struct ncp_conn *conn);
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int ncp_ncp_disconnect(struct ncp_conn *conn);
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int ncp_reconnect(struct ncp_conn *conn);
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int ncp_connect(struct ncp_conn_args *li,struct proc *p, struct ucred *cred,struct ncp_conn **aconn);
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int ncp_disconnect(struct ncp_conn *conn);
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int ncp_login(struct ncp_conn *conn, char *user, int objtype, char *password,
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struct proc *p, struct ucred *cred);
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#endif /* _NCP_NCP_H_ */
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