- /*
- * 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 _SYNCPPP_H_
- #define _SYNCPPP_H_ 1
- #ifdef __KERNEL__
- struct slcp {
- u16 state; /* state machine */
- u32 magic; /* local magic number */
- u_char echoid; /* id of last keepalive echo request */
- u_char confid; /* id of last configuration request */
- };
- struct sipcp {
- u16 state; /* state machine */
- u_char confid; /* id of last configuration request */
- };
- struct sppp
- {
- struct sppp * pp_next; /* next interface in keepalive list */
- u32 pp_flags; /* use Cisco protocol instead of PPP */
- u16 pp_alivecnt; /* keepalive packets counter */
- u16 pp_loopcnt; /* loopback detection counter */
- u32 pp_seq; /* local sequence number */
- u32 pp_rseq; /* remote sequence number */
- struct slcp lcp; /* LCP params */
- struct sipcp ipcp; /* IPCP params */
- u32 ibytes,obytes; /* Bytes in/out */
- u32 ipkts,opkts; /* Packets in/out */
- struct timer_list pp_timer;
- struct net_device *pp_if;
- char pp_link_state; /* Link status */
- };
- struct ppp_device
- {
- struct net_device *dev; /* Network device pointer */
- struct sppp sppp; /* Synchronous PPP */
- };
- #define sppp_of(dev)
- (&((struct ppp_device *)(*(unsigned long *)((dev)->priv)))->sppp)
- #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_DEBUG 0x08
- #define PPP_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 */
- #define SPPP_LINK_DOWN 0 /* link down - no keepalive */
- #define SPPP_LINK_UP 1 /* link is up - keepalive ok */
- void sppp_attach (struct ppp_device *pd);
- void sppp_detach (struct net_device *dev);
- void sppp_input (struct net_device *dev, struct sk_buff *m);
- int sppp_do_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd);
- struct sk_buff *sppp_dequeue (struct net_device *dev);
- int sppp_isempty (struct net_device *dev);
- void sppp_flush (struct net_device *dev);
- int sppp_open (struct net_device *dev);
- int sppp_reopen (struct net_device *dev);
- int sppp_close (struct net_device *dev);
- #endif
- #define SPPPIOCCISCO (SIOCDEVPRIVATE)
- #define SPPPIOCPPP (SIOCDEVPRIVATE+1)
- #define SPPPIOCDEBUG (SIOCDEVPRIVATE+2)
- #define SPPPIOCSFLAGS (SIOCDEVPRIVATE+3)
- #define SPPPIOCGFLAGS (SIOCDEVPRIVATE+4)
- #endif /* _SYNCPPP_H_ */