1 files changed, 0 insertions, 408 deletions

diff --git a/ANDROID_3.4.5/drivers/net/wan/hdlc_cisco.c b/ANDROID_3.4.5/drivers/net/wan/hdlc_cisco.c
deleted file mode 100644
index 3f20808b..00000000
--- a/ANDROID_3.4.5/drivers/net/wan/hdlc_cisco.c
+++ /dev/null
@@ -1,408 +0,0 @@
-/*
- * Generic HDLC support routines for Linux
- * Cisco HDLC support
- *
- * Copyright (C) 2000 - 2006 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.
- */
-
-#include <linux/errno.h>
-#include <linux/hdlc.h>
-#include <linux/if_arp.h>
-#include <linux/inetdevice.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/pkt_sched.h>
-#include <linux/poll.h>
-#include <linux/rtnetlink.h>
-#include <linux/skbuff.h>
-
-#undef DEBUG_HARD_HEADER
-
-#define CISCO_MULTICAST		0x8F	/* Cisco multicast address */
-#define CISCO_UNICAST		0x0F	/* Cisco unicast address */
-#define CISCO_KEEPALIVE		0x8035	/* Cisco keepalive protocol */
-#define CISCO_SYS_INFO		0x2000	/* Cisco interface/system info */
-#define CISCO_ADDR_REQ		0	/* Cisco address request */
-#define CISCO_ADDR_REPLY	1	/* Cisco address reply */
-#define CISCO_KEEPALIVE_REQ	2	/* Cisco keepalive request */
-
-
-struct hdlc_header {
-	u8 address;
-	u8 control;
-	__be16 protocol;
-}__packed;
-
-
-struct cisco_packet {
-	__be32 type;		/* code */
-	__be32 par1;
-	__be32 par2;
-	__be16 rel;		/* reliability */
-	__be32 time;
-}__packed;
-#define	CISCO_PACKET_LEN	18
-#define	CISCO_BIG_PACKET_LEN	20
-
-
-struct cisco_state {
-	cisco_proto settings;
-
-	struct timer_list timer;
-	spinlock_t lock;
-	unsigned long last_poll;
-	int up;
-	u32 txseq; /* TX sequence number, 0 = none */
-	u32 rxseq; /* RX sequence number */
-};
-
-
-static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr);
-
-
-static inline struct cisco_state* state(hdlc_device *hdlc)
-{
-	return (struct cisco_state *)hdlc->state;
-}
-
-
-static int cisco_hard_header(struct sk_buff *skb, struct net_device *dev,
-			     u16 type, const void *daddr, const void *saddr,
-			     unsigned int len)
-{
-	struct hdlc_header *data;
-#ifdef DEBUG_HARD_HEADER
-	printk(KERN_DEBUG "%s: cisco_hard_header called\n", dev->name);
-#endif
-
-	skb_push(skb, sizeof(struct hdlc_header));
-	data = (struct hdlc_header*)skb->data;
-	if (type == CISCO_KEEPALIVE)
-		data->address = CISCO_MULTICAST;
-	else
-		data->address = CISCO_UNICAST;
-	data->control = 0;
-	data->protocol = htons(type);
-
-	return sizeof(struct hdlc_header);
-}
-
-
-
-static void cisco_keepalive_send(struct net_device *dev, u32 type,
-				 __be32 par1, __be32 par2)
-{
-	struct sk_buff *skb;
-	struct cisco_packet *data;
-
-	skb = dev_alloc_skb(sizeof(struct hdlc_header) +
-			    sizeof(struct cisco_packet));
-	if (!skb) {
-		netdev_warn(dev, "Memory squeeze on cisco_keepalive_send()\n");
-		return;
-	}
-	skb_reserve(skb, 4);
-	cisco_hard_header(skb, dev, CISCO_KEEPALIVE, NULL, NULL, 0);
-	data = (struct cisco_packet*)(skb->data + 4);
-
-	data->type = htonl(type);
-	data->par1 = par1;
-	data->par2 = par2;
-	data->rel = cpu_to_be16(0xFFFF);
-	/* we will need do_div here if 1000 % HZ != 0 */
-	data->time = htonl((jiffies - INITIAL_JIFFIES) * (1000 / HZ));
-
-	skb_put(skb, sizeof(struct cisco_packet));
-	skb->priority = TC_PRIO_CONTROL;
-	skb->dev = dev;
-	skb_reset_network_header(skb);
-
-	dev_queue_xmit(skb);
-}
-
-
-
-static __be16 cisco_type_trans(struct sk_buff *skb, struct net_device *dev)
-{
-	struct hdlc_header *data = (struct hdlc_header*)skb->data;
-
-	if (skb->len < sizeof(struct hdlc_header))
-		return cpu_to_be16(ETH_P_HDLC);
-
-	if (data->address != CISCO_MULTICAST &&
-	    data->address != CISCO_UNICAST)
-		return cpu_to_be16(ETH_P_HDLC);
-
-	switch (data->protocol) {
-	case cpu_to_be16(ETH_P_IP):
-	case cpu_to_be16(ETH_P_IPX):
-	case cpu_to_be16(ETH_P_IPV6):
-		skb_pull(skb, sizeof(struct hdlc_header));
-		return data->protocol;
-	default:
-		return cpu_to_be16(ETH_P_HDLC);
-	}
-}
-
-
-static int cisco_rx(struct sk_buff *skb)
-{
-	struct net_device *dev = skb->dev;
-	hdlc_device *hdlc = dev_to_hdlc(dev);
-	struct cisco_state *st = state(hdlc);
-	struct hdlc_header *data = (struct hdlc_header*)skb->data;
-	struct cisco_packet *cisco_data;
-	struct in_device *in_dev;
-	__be32 addr, mask;
-	u32 ack;
-
-	if (skb->len < sizeof(struct hdlc_header))
-		goto rx_error;
-
-	if (data->address != CISCO_MULTICAST &&
-	    data->address != CISCO_UNICAST)
-		goto rx_error;
-
-	switch (ntohs(data->protocol)) {
-	case CISCO_SYS_INFO:
-		/* Packet is not needed, drop it. */
-		dev_kfree_skb_any(skb);
-		return NET_RX_SUCCESS;
-
-	case CISCO_KEEPALIVE:
-		if ((skb->len != sizeof(struct hdlc_header) +
-		     CISCO_PACKET_LEN) &&
-		    (skb->len != sizeof(struct hdlc_header) +
-		     CISCO_BIG_PACKET_LEN)) {
-			netdev_info(dev, "Invalid length of Cisco control packet (%d bytes)\n",
-				    skb->len);
-			goto rx_error;
-		}
-
-		cisco_data = (struct cisco_packet*)(skb->data + sizeof
-						    (struct hdlc_header));
-
-		switch (ntohl (cisco_data->type)) {
-		case CISCO_ADDR_REQ: /* Stolen from syncppp.c :-) */
-			rcu_read_lock();
-			in_dev = __in_dev_get_rcu(dev);
-			addr = 0;
-			mask = ~cpu_to_be32(0); /* is the mask correct? */
-
-			if (in_dev != NULL) {
-				struct in_ifaddr **ifap = &in_dev->ifa_list;
-
-				while (*ifap != NULL) {
-					if (strcmp(dev->name,
-						   (*ifap)->ifa_label) == 0) {
-						addr = (*ifap)->ifa_local;
-						mask = (*ifap)->ifa_mask;
-						break;
-					}
-					ifap = &(*ifap)->ifa_next;
-				}
-
-				cisco_keepalive_send(dev, CISCO_ADDR_REPLY,
-						     addr, mask);
-			}
-			rcu_read_unlock();
-			dev_kfree_skb_any(skb);
-			return NET_RX_SUCCESS;
-
-		case CISCO_ADDR_REPLY:
-			netdev_info(dev, "Unexpected Cisco IP address reply\n");
-			goto rx_error;
-
-		case CISCO_KEEPALIVE_REQ:
-			spin_lock(&st->lock);
-			st->rxseq = ntohl(cisco_data->par1);
-			ack = ntohl(cisco_data->par2);
-			if (ack && (ack == st->txseq ||
-				    /* our current REQ may be in transit */
-				    ack == st->txseq - 1)) {
-				st->last_poll = jiffies;
-				if (!st->up) {
-					u32 sec, min, hrs, days;
-					sec = ntohl(cisco_data->time) / 1000;
-					min = sec / 60; sec -= min * 60;
-					hrs = min / 60; min -= hrs * 60;
-					days = hrs / 24; hrs -= days * 24;
-					netdev_info(dev, "Link up (peer uptime %ud%uh%um%us)\n",
-						    days, hrs, min, sec);
-					netif_dormant_off(dev);
-					st->up = 1;
-				}
-			}
-			spin_unlock(&st->lock);
-
-			dev_kfree_skb_any(skb);
-			return NET_RX_SUCCESS;
-		} /* switch (keepalive type) */
-	} /* switch (protocol) */
-
-	netdev_info(dev, "Unsupported protocol %x\n", ntohs(data->protocol));
-	dev_kfree_skb_any(skb);
-	return NET_RX_DROP;
-
-rx_error:
-	dev->stats.rx_errors++; /* Mark error */
-	dev_kfree_skb_any(skb);
-	return NET_RX_DROP;
-}
-
-
-
-static void cisco_timer(unsigned long arg)
-{
-	struct net_device *dev = (struct net_device *)arg;
-	hdlc_device *hdlc = dev_to_hdlc(dev);
-	struct cisco_state *st = state(hdlc);
-
-	spin_lock(&st->lock);
-	if (st->up &&
-	    time_after(jiffies, st->last_poll + st->settings.timeout * HZ)) {
-		st->up = 0;
-		netdev_info(dev, "Link down\n");
-		netif_dormant_on(dev);
-	}
-
-	cisco_keepalive_send(dev, CISCO_KEEPALIVE_REQ, htonl(++st->txseq),
-			     htonl(st->rxseq));
-	spin_unlock(&st->lock);
-
-	st->timer.expires = jiffies + st->settings.interval * HZ;
-	st->timer.function = cisco_timer;
-	st->timer.data = arg;
-	add_timer(&st->timer);
-}
-
-
-
-static void cisco_start(struct net_device *dev)
-{
-	hdlc_device *hdlc = dev_to_hdlc(dev);
-	struct cisco_state *st = state(hdlc);
-	unsigned long flags;
-
-	spin_lock_irqsave(&st->lock, flags);
-	st->up = st->txseq = st->rxseq = 0;
-	spin_unlock_irqrestore(&st->lock, flags);
-
-	init_timer(&st->timer);
-	st->timer.expires = jiffies + HZ; /* First poll after 1 s */
-	st->timer.function = cisco_timer;
-	st->timer.data = (unsigned long)dev;
-	add_timer(&st->timer);
-}
-
-
-
-static void cisco_stop(struct net_device *dev)
-{
-	hdlc_device *hdlc = dev_to_hdlc(dev);
-	struct cisco_state *st = state(hdlc);
-	unsigned long flags;
-
-	del_timer_sync(&st->timer);
-
-	spin_lock_irqsave(&st->lock, flags);
-	netif_dormant_on(dev);
-	st->up = st->txseq = 0;
-	spin_unlock_irqrestore(&st->lock, flags);
-}
-
-
-static struct hdlc_proto proto = {
-	.start		= cisco_start,
-	.stop		= cisco_stop,
-	.type_trans	= cisco_type_trans,
-	.ioctl		= cisco_ioctl,
-	.netif_rx	= cisco_rx,
-	.module		= THIS_MODULE,
-};
-
-static const struct header_ops cisco_header_ops = {
-	.create = cisco_hard_header,
-};
-
-static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr)
-{
-	cisco_proto __user *cisco_s = ifr->ifr_settings.ifs_ifsu.cisco;
-	const size_t size = sizeof(cisco_proto);
-	cisco_proto new_settings;
-	hdlc_device *hdlc = dev_to_hdlc(dev);
-	int result;
-
-	switch (ifr->ifr_settings.type) {
-	case IF_GET_PROTO:
-		if (dev_to_hdlc(dev)->proto != &proto)
-			return -EINVAL;
-		ifr->ifr_settings.type = IF_PROTO_CISCO;
-		if (ifr->ifr_settings.size < size) {
-			ifr->ifr_settings.size = size; /* data size wanted */
-			return -ENOBUFS;
-		}
-		if (copy_to_user(cisco_s, &state(hdlc)->settings, size))
-			return -EFAULT;
-		return 0;
-
-	case IF_PROTO_CISCO:
-		if (!capable(CAP_NET_ADMIN))
-			return -EPERM;
-
-		if (dev->flags & IFF_UP)
-			return -EBUSY;
-
-		if (copy_from_user(&new_settings, cisco_s, size))
-			return -EFAULT;
-
-		if (new_settings.interval < 1 ||
-		    new_settings.timeout < 2)
-			return -EINVAL;
-
-		result = hdlc->attach(dev, ENCODING_NRZ,PARITY_CRC16_PR1_CCITT);
-		if (result)
-			return result;
-
-		result = attach_hdlc_protocol(dev, &proto,
-					      sizeof(struct cisco_state));
-		if (result)
-			return result;
-
-		memcpy(&state(hdlc)->settings, &new_settings, size);
-		spin_lock_init(&state(hdlc)->lock);
-		dev->header_ops = &cisco_header_ops;
-		dev->type = ARPHRD_CISCO;
-		netif_dormant_on(dev);
-		return 0;
-	}
-
-	return -EINVAL;
-}
-
-
-static int __init mod_init(void)
-{
-	register_hdlc_protocol(&proto);
-	return 0;
-}
-
-
-
-static void __exit mod_exit(void)
-{
-	unregister_hdlc_protocol(&proto);
-}
-
-
-module_init(mod_init);
-module_exit(mod_exit);
-
-MODULE_AUTHOR("Krzysztof Halasa <khc@pm.waw.pl>");
-MODULE_DESCRIPTION("Cisco HDLC protocol support for generic HDLC");
-MODULE_LICENSE("GPL v2");