forked from luck/tmp_suning_uos_patched
7665a08928
This patch contains possible cleanups including the following: - make needlessly global code static - #if 0 the following unused global function: - sdladrv.c: sdla_intde - remove the following unused global variable: - lmc_media.c: lmc_t1_cables - remove the following unneeded EXPORT_SYMBOL's: - cycx_drv.c: cycx_inten - sdladrv.c: sdla_inten - sdladrv.c: sdla_intde - sdladrv.c: sdla_intack - sdladrv.c: sdla_intr - syncppp.c: sppp_input - syncppp.c: sppp_change_mtu Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
/*
|
|
* 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);
|
|
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_ */
|