path: root/drivers/net/wireless/libertas/debugfs.c

#include <linux/module.h>
#include <linux/dcache.h>
#include <linux/debugfs.h>
#include <linux/delay.h>
#include <linux/mm.h>
#include <linux/string.h>
#include <net/iw_handler.h>
#include <net/lib80211.h>

#include "dev.h"
#include "decl.h"
#include "host.h"
#include "debugfs.h"
#include "cmd.h"

static struct dentry *lbs_dir;
static char *szStates[] = {
	"Connected",
	"Disconnected"
};

#ifdef PROC_DEBUG
static void lbs_debug_init(struct lbs_private *priv);
#endif

static int open_file_generic(struct inode *inode, struct file *file)
{
	file->private_data = inode->i_private;
	return 0;
}

static ssize_t write_file_dummy(struct file *file, const char __user *buf,
                                size_t count, loff_t *ppos)
{
        return -EINVAL;
}

static const size_t len = PAGE_SIZE;

static ssize_t lbs_dev_info(struct file *file, char __user *userbuf,
				  size_t count, loff_t *ppos)
{
	struct lbs_private *priv = file->private_data;
	size_t pos = 0;
	unsigned long addr = get_zeroed_page(GFP_KERNEL);
	char *buf = (char *)addr;
	ssize_t res;

	pos += snprintf(buf+pos, len-pos, "state = %s\n",
				szStates[priv->connect_status]);
	pos += snprintf(buf+pos, len-pos, "region_code = %02x\n",
				(u32) priv->regioncode);

	res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);

	free_page(addr);
	return res;
}


static ssize_t lbs_getscantable(struct file *file, char __user *userbuf,
				  size_t count, loff_t *ppos)
{
	struct lbs_private *priv = file->private_data;
	size_t pos = 0;
	int numscansdone = 0, res;
	unsigned long addr = get_zeroed_page(GFP_KERNEL);
	char *buf = (char *)addr;
	DECLARE_SSID_BUF(ssid);
	struct bss_descriptor * iter_bss;

	pos += snprintf(buf+pos, len-pos,
		"# | ch  | rssi |       bssid       |   cap    | Qual | SSID \n");

	mutex_lock(&priv->lock);
	list_for_each_entry (iter_bss, &priv->network_list, list) {
		u16 ibss = (iter_bss->capability & WLAN_CAPABILITY_IBSS);
		u16 privacy = (iter_bss->capability & WLAN_CAPABILITY_PRIVACY);
		u16 spectrum_mgmt = (iter_bss->capability & WLAN_CAPABILITY_SPECTRUM_MGMT);

		pos += snprintf(buf+pos, len-pos, "%02u| %03d | %04d | %pM |",
			numscansdone, iter_bss->channel, iter_bss->rssi,
			iter_bss->bssid);
		pos += snprintf(buf+pos, len-pos, " %04x-", iter_bss->capability);
		pos += snprintf(buf+pos, len-pos, "%c%c%c |",
				ibss ? 'A' : 'I', privacy ? 'P' : ' ',
				spectrum_mgmt ? 'S' : ' ');
		pos += snprintf(buf+pos, len-pos, " %04d |", SCAN_RSSI(iter_bss->rssi));
		pos += snprintf(buf+pos, len-pos, " %s\n",
		                print_ssid(ssid, iter_bss->ssid,
					   iter_bss->ssid_len));

		numscansdone++;
	}
	mutex_unlock(&priv->lock);

	res = simple_read_from_buffer(userbuf, count, ppos, buf, pos);

	free_page(addr);
	return res;
}

static ssize_t lbs_sleepparams_write(struct file *file,
				const char __user *user_buf, size_t count,
				loff_t *ppos)
{
	struct lbs_private *priv = file->private_data;
	ssize_t buf_size, ret;
	struct sleep_params sp;
	int p1, p2, p3, p4, p5, p6;
	unsigned long addr = get_zeroed_page(GFP_KERNEL);
	char *buf = (char