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port FreeBSD's serial ppp layer to NetBSD. The PPP part seems broken still,

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but the lmc driver uses the HDLC bits from here anyway.
This commit is contained in:
explorer 1999-03-25 03:38:00 +00:00
parent 4ba6c44ef4
commit 2a91ea8a57
2 changed files with 1475 additions and 0 deletions
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72
sys/net/if_sppp.h Normal file
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/*
* Defines for synchronous PPP/Cisco link level subroutines.
*
* Copyright (C) 1994 Cronyx Ltd.
* Author: Serge Vakulenko, <vak@zebub.msk.su>
*
* This software is distributed with NO WARRANTIES, not even the implied
* warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Authors grant any other persons or organizations permission to use
* or modify this software as long as this message is kept with the software,
* all derivative works or modified versions.
*
* Version 1.7, Wed Jun 7 22:12:02 MSD 1995
*/
#ifndef _NET_IF_HDLC_H_
#define _NET_IF_HDLC_H_ 1
struct slcp {
u_int16_t state; /* state machine */
u_int32_t magic; /* local magic number */
u_int8_t echoid; /* id of last keepalive echo request */
u_int8_t confid; /* id of last configuration request */
};
struct sipcp {
u_int16_t state; /* state machine */
u_int8_t confid; /* id of last configuration request */
};
struct sppp {
struct ifnet pp_if; /* network interface data */
struct ifqueue pp_fastq; /* fast output queue */
struct sppp *pp_next; /* next interface in keepalive list */
u_int pp_flags; /* use Cisco protocol instead of PPP */
u_int16_t pp_alivecnt; /* keepalive packets counter */
u_int16_t pp_loopcnt; /* loopback detection counter */
u_int32_t pp_seq; /* local sequence number */
u_int32_t pp_rseq; /* remote sequence number */
struct slcp lcp; /* LCP params */
struct sipcp ipcp; /* IPCP params */
};
#define PP_KEEPALIVE 0x01 /* use keepalive protocol */
#define PP_CISCO 0x02 /* use Cisco protocol instead of PPP */
#define PP_TIMO 0x04 /* cp_timeout routine active */
#define PP_MTU 1500 /* max. transmit unit */
#define LCP_STATE_CLOSED 0 /* LCP state: closed (conf-req sent) */
#define LCP_STATE_ACK_RCVD 1 /* LCP state: conf-ack received */
#define LCP_STATE_ACK_SENT 2 /* LCP state: conf-ack sent */
#define LCP_STATE_OPENED 3 /* LCP state: opened */
#define IPCP_STATE_CLOSED 0 /* IPCP state: closed (conf-req sent) */
#define IPCP_STATE_ACK_RCVD 1 /* IPCP state: conf-ack received */
#define IPCP_STATE_ACK_SENT 2 /* IPCP state: conf-ack sent */
#define IPCP_STATE_OPENED 3 /* IPCP state: opened */
#ifdef _KERNEL
void spppattach(void);
void sppp_attach (struct ifnet *ifp);
void sppp_detach (struct ifnet *ifp);
void sppp_input (struct ifnet *ifp, struct mbuf *m);
int sppp_ioctl (struct ifnet *ifp, int cmd, void *data);
struct mbuf *sppp_dequeue (struct ifnet *ifp);
int sppp_isempty (struct ifnet *ifp);
void sppp_flush (struct ifnet *ifp);
#endif
#endif /* _NET_IF_HDLC_H_ */

1403
sys/net/if_spppsubr.c Normal file
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