/*****************************************************************************/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/net.h>
#include <linux/slab.h>
#include <linux/errno.h>
#include <linux/init.h>
-#include <asm/bitops.h>
-#include <asm/uaccess.h>
+#include <linux/bitops.h>
#include <linux/netdevice.h>
#include <linux/if_arp.h>
-#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/hdlcdrv.h>
-/* prototypes for ax25_encapsulate and ax25_rebuild_header */
#include <net/ax25.h>
+#include <asm/uaccess.h>
-/* make genksyms happy */
-#include <linux/ip.h>
-#include <linux/udp.h>
-#include <linux/tcp.h>
-
-/* --------------------------------------------------------------------- */
-
-/*
- * The name of the card. Is used for messages and in the requests for
- * io regions, irqs and dma channels
- */
-
-static char ax25_bcast[AX25_ADDR_LEN] =
-{'Q' << 1, 'S' << 1, 'T' << 1, ' ' << 1, ' ' << 1, ' ' << 1, '0' << 1};
-static char ax25_nocall[AX25_ADDR_LEN] =
-{'L' << 1, 'I' << 1, 'N' << 1, 'U' << 1, 'X' << 1, ' ' << 1, '1' << 1};
+#include <linux/crc-ccitt.h>
/* --------------------------------------------------------------------- */
* by Dieter Deyke
*/
-static const unsigned short crc_ccitt_table[] = {
- 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
- 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
- 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
- 0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
- 0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
- 0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
- 0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
- 0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
- 0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
- 0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
- 0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
- 0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
- 0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
- 0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
- 0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
- 0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
- 0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
- 0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
- 0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
- 0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
- 0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
- 0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
- 0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
- 0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
- 0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
- 0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
- 0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
- 0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
- 0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
- 0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
- 0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
- 0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78
-};
/*---------------------------------------------------------------------------*/
static inline void append_crc_ccitt(unsigned char *buffer, int len)
{
- unsigned int crc = 0xffff;
-
- for (;len>0;len--)
- crc = (crc >> 8) ^ crc_ccitt_table[(crc ^ *buffer++) & 0xff];
- crc ^= 0xffff;
+ unsigned int crc = crc_ccitt(0xffff, buffer, len) ^ 0xffff;
*buffer++ = crc;
*buffer++ = crc >> 8;
}
static inline int check_crc_ccitt(const unsigned char *buf, int cnt)
{
- unsigned int crc = 0xffff;
-
- for (; cnt > 0; cnt--)
- crc = (crc >> 8) ^ crc_ccitt_table[(crc ^ *buf++) & 0xff];
- return (crc & 0xffff) == 0xf0b8;
+ return (crc_ccitt(0xffff, buf, cnt) & 0xffff) == 0xf0b8;
}
/*---------------------------------------------------------------------------*/
s->stats.rx_dropped++;
return;
}
- skb->dev = dev;
cp = skb_put(skb, pkt_len);
*cp++ = 0; /* KISS kludge */
memcpy(cp, s->hdlcrx.buffer, pkt_len - 1);
- skb->protocol = htons(ETH_P_AX25);
- skb->mac.raw = skb->data;
+ skb->protocol = ax25_type_trans(skb, dev);
netif_rx(skb);
dev->last_rx = jiffies;
s->stats.rx_packets++;
* ===================== network driver interface =========================
*/
-static inline int hdlcdrv_paranoia_check(struct net_device *dev,
- const char *routine)
-{
- if (!dev || !dev->priv ||
- ((struct hdlcdrv_state *)dev->priv)->magic != HDLCDRV_MAGIC) {
- printk(KERN_ERR "hdlcdrv: bad magic number for hdlcdrv_state "
- "struct in routine %s\n", routine);
- return 1;
- }
- return 0;
-}
-
-/* --------------------------------------------------------------------- */
-
static int hdlcdrv_send_packet(struct sk_buff *skb, struct net_device *dev)
{
- struct hdlcdrv_state *sm;
+ struct hdlcdrv_state *sm = netdev_priv(dev);
- if (hdlcdrv_paranoia_check(dev, "hdlcdrv_send_packet"))
- return 0;
- sm = (struct hdlcdrv_state *)dev->priv;
if (skb->data[0] != 0) {
do_kiss_params(sm, skb->data, skb->len);
dev_kfree_skb(skb);
static struct net_device_stats *hdlcdrv_get_stats(struct net_device *dev)
{
- struct hdlcdrv_state *sm;
+ struct hdlcdrv_state *sm = netdev_priv(dev);
- if (hdlcdrv_paranoia_check(dev, "hdlcdrv_get_stats"))
- return NULL;
- sm = (struct hdlcdrv_state *)dev->priv;
/*
* Get the current statistics. This may be called with the
* card open or closed.
static int hdlcdrv_open(struct net_device *dev)
{
- struct hdlcdrv_state *s;
+ struct hdlcdrv_state *s = netdev_priv(dev);
int i;
- if (hdlcdrv_paranoia_check(dev, "hdlcdrv_open"))
- return -EINVAL;
- s = (struct hdlcdrv_state *)dev->priv;
-
if (!s->ops || !s->ops->open)
return -ENODEV;
static int hdlcdrv_close(struct net_device *dev)
{
- struct hdlcdrv_state *s;
+ struct hdlcdrv_state *s = netdev_priv(dev);
int i = 0;
- if (hdlcdrv_paranoia_check(dev, "hdlcdrv_close"))
- return -EINVAL;
- s = (struct hdlcdrv_state *)dev->priv;
+ netif_stop_queue(dev);
if (s->ops && s->ops->close)
i = s->ops->close(dev);
static int hdlcdrv_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
- struct hdlcdrv_state *s;
+ struct hdlcdrv_state *s = netdev_priv(dev);
struct hdlcdrv_ioctl bi;
-
- if (hdlcdrv_paranoia_check(dev, "hdlcdrv_ioctl"))
- return -EINVAL;
- s = (struct hdlcdrv_state *)dev->priv;
if (cmd != SIOCDEVPRIVATE) {
if (s->ops && s->ops->ioctl)
static const struct hdlcdrv_channel_params dflt_ch_params = {
20, 2, 10, 40, 0
};
- struct hdlcdrv_state *s = dev->priv;
+ struct hdlcdrv_state *s = netdev_priv(dev);
/*
* initialize the hdlcdrv_state struct
s->skb = NULL;
-#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
- dev->hard_header = ax25_encapsulate;
+ dev->hard_header = ax25_hard_header;
dev->rebuild_header = ax25_rebuild_header;
-#else /* CONFIG_AX25 || CONFIG_AX25_MODULE */
- dev->hard_header = NULL;
- dev->rebuild_header = NULL;
-#endif /* CONFIG_AX25 || CONFIG_AX25_MODULE */
dev->set_mac_address = hdlcdrv_set_mac_address;
dev->type = ARPHRD_AX25; /* AF_AX25 device */
dev->hard_header_len = AX25_MAX_HEADER_LEN + AX25_BPQ_HEADER_LEN;
dev->mtu = AX25_DEF_PACLEN; /* eth_mtu is the default */
dev->addr_len = AX25_ADDR_LEN; /* sizeof an ax.25 address */
- memcpy(dev->broadcast, ax25_bcast, AX25_ADDR_LEN);
- memcpy(dev->dev_addr, ax25_nocall, AX25_ADDR_LEN);
+ memcpy(dev->broadcast, &ax25_bcast, AX25_ADDR_LEN);
+ memcpy(dev->dev_addr, &ax25_defaddr, AX25_ADDR_LEN);
dev->tx_queue_len = 16;
}
/*
* initialize part of the hdlcdrv_state struct
*/
- s = dev->priv;
+ s = netdev_priv(dev);
s->magic = HDLCDRV_MAGIC;
s->ops = ops;
dev->base_addr = baseaddr;
void hdlcdrv_unregister(struct net_device *dev)
{
- struct hdlcdrv_state *s = dev->priv;
+ struct hdlcdrv_state *s = netdev_priv(dev);
BUG_ON(s->magic != HDLCDRV_MAGIC);
git://git.onelab.eu / linux-2.6.git / blobdiff