diff options
Diffstat (limited to 'drivers/isdn/i4l/isdn_net.h')
| -rw-r--r-- | drivers/isdn/i4l/isdn_net.h | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/drivers/isdn/i4l/isdn_net.h b/drivers/isdn/i4l/isdn_net.h deleted file mode 100644 index cca6d68da171..000000000000 --- a/drivers/isdn/i4l/isdn_net.h +++ /dev/null @@ -1,151 +0,0 @@ -/* $Id: isdn_net.h,v 1.1.2.2 2004/01/12 22:37:19 keil Exp $ - * - * header for Linux ISDN subsystem, network related functions (linklevel). - * - * Copyright 1994-1999 by Fritz Elfert (fritz@isdn4linux.de) - * Copyright 1995,96 by Thinking Objects Software GmbH Wuerzburg - * Copyright 1995,96 by Michael Hipp (Michael.Hipp@student.uni-tuebingen.de) - * - * This software may be used and distributed according to the terms - * of the GNU General Public License, incorporated herein by reference. - * - */ - -/* Definitions for hupflags: */ -#define ISDN_WAITCHARGE 1 /* did not get a charge info yet */ -#define ISDN_HAVECHARGE 2 /* We know a charge info */ -#define ISDN_CHARGEHUP 4 /* We want to use the charge mechanism */ -#define ISDN_INHUP 8 /* Even if incoming, close after huptimeout */ -#define ISDN_MANCHARGE 16 /* Charge Interval manually set */ - -/* - * Definitions for Cisco-HDLC header. - */ - -#define CISCO_ADDR_UNICAST 0x0f -#define CISCO_ADDR_BROADCAST 0x8f -#define CISCO_CTRL 0x00 -#define CISCO_TYPE_CDP 0x2000 -#define CISCO_TYPE_SLARP 0x8035 -#define CISCO_SLARP_REQUEST 0 -#define CISCO_SLARP_REPLY 1 -#define CISCO_SLARP_KEEPALIVE 2 - -extern char *isdn_net_new(char *, struct net_device *); -extern char *isdn_net_newslave(char *); -extern int isdn_net_rm(char *); -extern int isdn_net_rmall(void); -extern int isdn_net_stat_callback(int, isdn_ctrl *); -extern int isdn_net_setcfg(isdn_net_ioctl_cfg *); -extern int isdn_net_getcfg(isdn_net_ioctl_cfg *); -extern int isdn_net_addphone(isdn_net_ioctl_phone *); -extern int isdn_net_getphones(isdn_net_ioctl_phone *, char __user *); -extern int isdn_net_getpeer(isdn_net_ioctl_phone *, isdn_net_ioctl_phone __user *); -extern int isdn_net_delphone(isdn_net_ioctl_phone *); -extern int isdn_net_find_icall(int, int, int, setup_parm *); -extern void isdn_net_hangup(struct net_device *); -extern void isdn_net_dial(void); -extern void isdn_net_autohup(void); -extern int isdn_net_force_hangup(char *); -extern int isdn_net_force_dial(char *); -extern isdn_net_dev *isdn_net_findif(char *); -extern int isdn_net_rcv_skb(int, struct sk_buff *); -extern int isdn_net_dial_req(isdn_net_local *); -extern void isdn_net_writebuf_skb(isdn_net_local *lp, struct sk_buff *skb); -extern void isdn_net_write_super(isdn_net_local *lp, struct sk_buff *skb); - -#define ISDN_NET_MAX_QUEUE_LENGTH 2 - -#define ISDN_MASTER_PRIV(lp) ((isdn_net_local *) netdev_priv(lp->master)) -#define ISDN_SLAVE_PRIV(lp) ((isdn_net_local *) netdev_priv(lp->slave)) -#define MASTER_TO_SLAVE(master) \ - (((isdn_net_local *) netdev_priv(master))->slave) - -/* - * is this particular channel busy? - */ -static __inline__ int isdn_net_lp_busy(isdn_net_local *lp) -{ - if (atomic_read(&lp->frame_cnt) < ISDN_NET_MAX_QUEUE_LENGTH) - return 0; - else - return 1; -} - -/* - * For the given net device, this will get a non-busy channel out of the - * corresponding bundle. The returned channel is locked. - */ -static __inline__ isdn_net_local *isdn_net_get_locked_lp(isdn_net_dev *nd) -{ - unsigned long flags; - isdn_net_local *lp; - - spin_lock_irqsave(&nd->queue_lock, flags); - lp = nd->queue; /* get lp on top of queue */ - while (isdn_net_lp_busy(nd->queue)) { - nd->queue = nd->queue->next; - if (nd->queue == lp) { /* not found -- should never happen */ - lp = NULL; - goto errout; - } - } - lp = nd->queue; - nd->queue = nd->queue->next; - spin_unlock_irqrestore(&nd->queue_lock, flags); - spin_lock(&lp->xmit_lock); - local_bh_disable(); - return lp; -errout: - spin_unlock_irqrestore(&nd->queue_lock, flags); - return lp; -} - -/* - * add a channel to a bundle - */ -static __inline__ void isdn_net_add_to_bundle(isdn_net_dev *nd, isdn_net_local *nlp) -{ - isdn_net_local *lp; - unsigned long flags; - - spin_lock_irqsave(&nd->queue_lock, flags); - - lp = nd->queue; -// printk(KERN_DEBUG "%s: lp:%s(%p) nlp:%s(%p) last(%p)\n", -// __func__, lp->name, lp, nlp->name, nlp, lp->last); - nlp->last = lp->last; - lp->last->next = nlp; - lp->last = nlp; - nlp->next = lp; - nd->queue = nlp; - - spin_unlock_irqrestore(&nd->queue_lock, flags); -} -/* - * remove a channel from the bundle it belongs to - */ -static __inline__ void isdn_net_rm_from_bundle(isdn_net_local *lp) -{ - isdn_net_local *master_lp = lp; - unsigned long flags; - - if (lp->master) - master_lp = ISDN_MASTER_PRIV(lp); - -// printk(KERN_DEBUG "%s: lp:%s(%p) mlp:%s(%p) last(%p) next(%p) mndq(%p)\n", -// __func__, lp->name, lp, master_lp->name, master_lp, lp->last, lp->next, master_lp->netdev->queue); - spin_lock_irqsave(&master_lp->netdev->queue_lock, flags); - lp->last->next = lp->next; - lp->next->last = lp->last; - if (master_lp->netdev->queue == lp) { - master_lp->netdev->queue = lp->next; - if (lp->next == lp) { /* last in queue */ - master_lp->netdev->queue = master_lp->netdev->local; - } - } - lp->next = lp->last = lp; /* (re)set own pointers */ -// printk(KERN_DEBUG "%s: mndq(%p)\n", -// __func__, master_lp->netdev->queue); - spin_unlock_irqrestore(&master_lp->netdev->queue_lock, flags); -} |