diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/hdlc.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/hdlc.h | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/ANDROID_3.4.5/include/linux/hdlc.h b/ANDROID_3.4.5/include/linux/hdlc.h deleted file mode 100644 index ee275c8b..00000000 --- a/ANDROID_3.4.5/include/linux/hdlc.h +++ /dev/null @@ -1,131 +0,0 @@ -/* - * Generic HDLC support routines for Linux - * - * Copyright (C) 1999-2005 Krzysztof Halasa <khc@pm.waw.pl> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of version 2 of the GNU General Public License - * as published by the Free Software Foundation. - */ - -#ifndef __HDLC_H -#define __HDLC_H - - -#define HDLC_MAX_MTU 1500 /* Ethernet 1500 bytes */ -#if 0 -#define HDLC_MAX_MRU (HDLC_MAX_MTU + 10 + 14 + 4) /* for ETH+VLAN over FR */ -#else -#define HDLC_MAX_MRU 1600 /* as required for FR network */ -#endif - - -#ifdef __KERNEL__ - -#include <linux/skbuff.h> -#include <linux/netdevice.h> -#include <linux/hdlc/ioctl.h> - -/* This structure is a private property of HDLC protocols. - Hardware drivers have no interest here */ - -struct hdlc_proto { - int (*open)(struct net_device *dev); - void (*close)(struct net_device *dev); - void (*start)(struct net_device *dev); /* if open & DCD */ - void (*stop)(struct net_device *dev); /* if open & !DCD */ - void (*detach)(struct net_device *dev); - int (*ioctl)(struct net_device *dev, struct ifreq *ifr); - __be16 (*type_trans)(struct sk_buff *skb, struct net_device *dev); - int (*netif_rx)(struct sk_buff *skb); - netdev_tx_t (*xmit)(struct sk_buff *skb, struct net_device *dev); - struct module *module; - struct hdlc_proto *next; /* next protocol in the list */ -}; - - -/* Pointed to by netdev_priv(dev) */ -typedef struct hdlc_device { - /* used by HDLC layer to take control over HDLC device from hw driver*/ - int (*attach)(struct net_device *dev, - unsigned short encoding, unsigned short parity); - - /* hardware driver must handle this instead of dev->hard_start_xmit */ - netdev_tx_t (*xmit)(struct sk_buff *skb, struct net_device *dev); - - /* Things below are for HDLC layer internal use only */ - const struct hdlc_proto *proto; - int carrier; - int open; - spinlock_t state_lock; - void *state; - void *priv; -} hdlc_device; - - - -/* Exported from hdlc module */ - -/* Called by hardware driver when a user requests HDLC service */ -int hdlc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd); - -/* Must be used by hardware driver on module startup/exit */ -#define register_hdlc_device(dev) register_netdev(dev) -void unregister_hdlc_device(struct net_device *dev); - - -void register_hdlc_protocol(struct hdlc_proto *proto); -void unregister_hdlc_protocol(struct hdlc_proto *proto); - -struct net_device *alloc_hdlcdev(void *priv); - -static inline struct hdlc_device* dev_to_hdlc(struct net_device *dev) -{ - return netdev_priv(dev); -} - -static __inline__ void debug_frame(const struct sk_buff *skb) -{ - int i; - - for (i=0; i < skb->len; i++) { - if (i == 100) { - printk("...\n"); - return; - } - printk(" %02X", skb->data[i]); - } - printk("\n"); -} - - -/* Must be called by hardware driver when HDLC device is being opened */ -int hdlc_open(struct net_device *dev); -/* Must be called by hardware driver when HDLC device is being closed */ -void hdlc_close(struct net_device *dev); -/* May be used by hardware driver */ -int hdlc_change_mtu(struct net_device *dev, int new_mtu); -/* Must be pointed to by hw driver's dev->netdev_ops->ndo_start_xmit */ -netdev_tx_t hdlc_start_xmit(struct sk_buff *skb, struct net_device *dev); - -int attach_hdlc_protocol(struct net_device *dev, struct hdlc_proto *proto, - size_t size); -/* May be used by hardware driver to gain control over HDLC device */ -void detach_hdlc_protocol(struct net_device *dev); - -static __inline__ __be16 hdlc_type_trans(struct sk_buff *skb, - struct net_device *dev) -{ - hdlc_device *hdlc = dev_to_hdlc(dev); - - skb->dev = dev; - skb_reset_mac_header(skb); - - if (hdlc->proto->type_trans) - return hdlc->proto->type_trans(skb, dev); - else - return htons(ETH_P_HDLC); -} - -#endif /* __KERNEL */ -#endif /* __HDLC_H */ |