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port wlcompat changes to -ng 

SVN-Revision: 4735
lede-17.01
Felix Fietkau 2006-09-03 04:54:21 +00:00
parent c92e6f514c
commit fae4fc3d40
1 changed files with 35 additions and 0 deletions
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35
openwrt/package/wlcompat/src/wlcompat.c
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@ -24,10 +24,12 @@
#include <linux/config.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/if_arp.h>
#include <asm/uaccess.h>
#include <linux/wireless.h>
#include <linux/timer.h>
#include <net/iw_handler.h>
#include <wlioctl.h>
@ -35,6 +37,7 @@
static struct net_device *dev;
static unsigned short bss_force;
static struct iw_statistics wstats;
static int random = 1;
char buf[WLC_IOCTL_MAXLEN];
/* The frequency of each channel in MHz */
@ -44,6 +47,8 @@ const long channel_frequency[] = {
};
#define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
#define RNG_POLL_FREQ 20
typedef struct internal_wsec_key {
uint8 index; // 0x00
uint8 unknown_1; // 0x01
@ -977,6 +982,25 @@ static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
return ret;
}
static struct timer_list rng_timer;
static void rng_timer_tick(unsigned long n)
{
struct net_device *dev = (struct net_device *) n;
u16 data[4];
int i, ret;
ret = 0;
for (i = 0; i < 3; i++) {
ret |= wl_get_val(dev, "rand", &data[i], sizeof(u16));
}
if (!ret)
batch_entropy_store(*((u32 *) &data[0]), *((u32 *) &data[2]), (jiffies % 255));
mod_timer(&rng_timer, jiffies + (HZ/RNG_POLL_FREQ));
}
static int __init wlcompat_init()
{
int found = 0, i;
@ -999,6 +1023,14 @@ static int __init wlcompat_init()
dev->do_ioctl = new_ioctl;
dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
dev->get_wireless_stats = wlcompat_get_wireless_stats;
if (random) {
init_timer(&rng_timer);
rng_timer.function = rng_timer_tick;
rng_timer.data = (unsigned long) dev;
rng_timer_tick((unsigned long) dev);
}
#ifdef DEBUG
printk("broadcom driver private data: 0x%08x\n", dev->priv);
#endif
@ -1007,6 +1039,8 @@ static int __init wlcompat_init()
static void __exit wlcompat_exit()
{
if (random)
del_timer(&rng_timer);
dev->get_wireless_stats = NULL;
dev->wireless_handlers = NULL;
dev->do_ioctl = old_ioctl;
@ -1017,5 +1051,6 @@ EXPORT_NO_SYMBOLS;
MODULE_AUTHOR("openwrt.org");
MODULE_LICENSE("GPL");
module_param(random, int, 0);
module_init(wlcompat_init);
module_exit(wlcompat_exit);