[net-next-2.6.git] / include / net / syncppp.h

/*
 * 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 */
	spinlock_t      lock;
};

struct ppp_device
{	
	struct net_device *dev;	/* Network device pointer */
	struct sppp sppp;	/* Synchronous PPP */
};

static inline struct sppp *sppp_of(struct net_device *dev) 
{
	struct ppp_device **ppp = dev->priv;
	BUG_ON((*ppp)->dev != dev);
	return &(*ppp)->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_ */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Defines for synchronous PPP/Cisco link level subroutines.
	3	*
	4	* Copyright (C) 1994 Cronyx Ltd.
	5	* Author: Serge Vakulenko, <vak@zebub.msk.su>
	6	*
	7	* This software is distributed with NO WARRANTIES, not even the implied
	8	* warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
	9	*
	10	* Authors grant any other persons or organizations permission to use
	11	* or modify this software as long as this message is kept with the software,
	12	* all derivative works or modified versions.
	13	*
	14	* Version 1.7, Wed Jun 7 22:12:02 MSD 1995
	15	*
	16	*
	17	*
	18	*/
	19
	20	#ifndef _SYNCPPP_H_
	21	#define _SYNCPPP_H_ 1
	22
	23	#ifdef __KERNEL__
	24	struct slcp {
	25	u16 state; /* state machine */
	26	u32 magic; /* local magic number */
	27	u_char echoid; /* id of last keepalive echo request */
	28	u_char confid; /* id of last configuration request */
	29	};
	30
	31	struct sipcp {
	32	u16 state; /* state machine */
	33	u_char confid; /* id of last configuration request */
	34	};
	35
	36	struct sppp
	37	{
	38	struct sppp * pp_next; /* next interface in keepalive list */
	39	u32 pp_flags; /* use Cisco protocol instead of PPP */
	40	u16 pp_alivecnt; /* keepalive packets counter */
	41	u16 pp_loopcnt; /* loopback detection counter */
	42	u32 pp_seq; /* local sequence number */
	43	u32 pp_rseq; /* remote sequence number */
	44	struct slcp lcp; /* LCP params */
	45	struct sipcp ipcp; /* IPCP params */
	46	u32 ibytes,obytes; /* Bytes in/out */
	47	u32 ipkts,opkts; /* Packets in/out */
	48	struct timer_list pp_timer;
	49	struct net_device *pp_if;
	50	char pp_link_state; /* Link status */
	51	spinlock_t lock;
	52	};
	53
	54	struct ppp_device
	55	{
	56	struct net_device dev; / Network device pointer */
	57	struct sppp sppp; /* Synchronous PPP */
	58	};
	59
	60	static inline struct sppp sppp_of(struct net_device dev)
	61	{
	62	struct ppp_device **ppp = dev->priv;
	63	BUG_ON((*ppp)->dev != dev);
	64	return &(*ppp)->sppp;
65	}
66
67	#define PP_KEEPALIVE 0x01 /* use keepalive protocol */
68	#define PP_CISCO 0x02 /* use Cisco protocol instead of PPP */
69	#define PP_TIMO 0x04 /* cp_timeout routine active */
70	#define PP_DEBUG 0x08
71
72	#define PPP_MTU 1500 /* max. transmit unit */
73
74	#define LCP_STATE_CLOSED 0 /* LCP state: closed (conf-req sent) */
75	#define LCP_STATE_ACK_RCVD 1 /* LCP state: conf-ack received */
76	#define LCP_STATE_ACK_SENT 2 /* LCP state: conf-ack sent */
77	#define LCP_STATE_OPENED 3 /* LCP state: opened */
78
79	#define IPCP_STATE_CLOSED 0 /* IPCP state: closed (conf-req sent) */
80	#define IPCP_STATE_ACK_RCVD 1 /* IPCP state: conf-ack received */
81	#define IPCP_STATE_ACK_SENT 2 /* IPCP state: conf-ack sent */
82	#define IPCP_STATE_OPENED 3 /* IPCP state: opened */
83
84	#define SPPP_LINK_DOWN 0 /* link down - no keepalive */
85	#define SPPP_LINK_UP 1 /* link is up - keepalive ok */
86
87	void sppp_attach (struct ppp_device *pd);
88	void sppp_detach (struct net_device *dev);
89	void sppp_input (struct net_device dev, struct sk_buff m);
90	int sppp_do_ioctl (struct net_device dev, struct ifreq ifr, int cmd);
91	struct sk_buff sppp_dequeue (struct net_device dev);
92	int sppp_isempty (struct net_device *dev);
93	void sppp_flush (struct net_device *dev);
94	int sppp_open (struct net_device *dev);
95	int sppp_reopen (struct net_device *dev);
96	int sppp_close (struct net_device *dev);
97	#endif
98
99	#define SPPPIOCCISCO (SIOCDEVPRIVATE)
100	#define SPPPIOCPPP (SIOCDEVPRIVATE+1)
101	#define SPPPIOCDEBUG (SIOCDEVPRIVATE+2)
102	#define SPPPIOCSFLAGS (SIOCDEVPRIVATE+3)
103	#define SPPPIOCGFLAGS (SIOCDEVPRIVATE+4)
104
105	#endif /* _SYNCPPP_H_ */