initial commit

SVN-Revision: 576

openwrt/package/openwrt/wlcompat.c

@@ -0,0 +1,197 @@
+// insert header here
+// mbm. gpl.
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/if_arp.h>
+#include <asm/uaccess.h>
+
+#include <net/iw_handler.h>
+#include <wlioctl.h>
+
+#define DEBUG
+
+static struct net_device *dev;
+
+static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
+{
+	mm_segment_t old_fs = get_fs();
+	struct ifreq ifr;
+	int ret;
+	wl_ioctl_t ioc;
+	ioc.cmd = cmd;
+	ioc.buf = buf;
+	ioc.len = len;
+	strncpy(ifr.ifr_name, dev->name, IFNAMSIZ);
+	ifr.ifr_data = (caddr_t) &ioc;
+	set_fs(KERNEL_DS);
+	ret = dev->do_ioctl(dev,&ifr,SIOCDEVPRIVATE);
+	set_fs (old_fs);
+	return ret;
+}
+
+
+static int wlcompat_ioctl(struct net_device *dev,
+			 struct iw_request_info *info,
+			 union iwreq_data *wrqu,
+			 char *extra)
+{
+	switch (info->cmd) {
+		case SIOCGIWNAME:
+			strcpy(wrqu->name, "IEEE 802.11-DS");
+			break;
+		case SIOCGIWFREQ:
+		{
+			channel_info_t ci;
+			wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci));
+			wrqu->freq.m = ci.target_channel;
+			wrqu->freq.e = 0;
+			break;
+		}
+		case SIOCGIWAP:
+		{
+			wrqu->ap_addr.sa_family = ARPHRD_ETHER;
+			wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6);
+			break;
+		}
+		case SIOCGIWESSID:
+		{
+			wlc_ssid_t ssid;
+			wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t));
+			wrqu->essid.flags = wrqu->data.flags = 1;
+			wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
+			memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
+			break;
+		}
+		case SIOCGIWRTS:
+		{
+			wl_ioctl(dev,WLC_GET_RTS,&(wrqu->rts.value),sizeof(int));
+			break;
+		}
+		case SIOCGIWFRAG:
+		{
+			wl_ioctl(dev,WLC_GET_FRAG,&(wrqu->frag.value),sizeof(int));
+			break;
+		}
+		case SIOCGIWTXPOW:
+		{
+			wrqu->txpower.value = 0;
+			wl_ioctl(dev,WLC_GET_TXPWR, &(wrqu->txpower.value), sizeof(int));
+			wrqu->txpower.fixed = 0;
+			wrqu->txpower.disabled = 0;
+			wrqu->txpower.flags = IW_TXPOW_MWATT;
+			break;
+		}
+		case SIOCGIWENCODE:
+		{
+			wrqu->data.flags = IW_ENCODE_DISABLED;
+			break;
+		}
+	}
+	return 0;
+}
+
+static const iw_handler	 wlcompat_handler[] = {
+	NULL,			/* SIOCSIWNAME */
+	wlcompat_ioctl,		/* SIOCGIWNAME */
+	NULL,			/* SIOCSIWNWID */
+	NULL,			/* SIOCGIWNWID */
+	NULL,			/* SIOCSIWFREQ */
+	wlcompat_ioctl,		/* SIOCGIWFREQ */
+	NULL,			/* SIOCSIWMODE */
+	NULL,			/* SIOCGIWMODE */
+	NULL,			/* SIOCSIWSENS */
+	NULL,			/* SIOCGIWSENS */
+	NULL,			/* SIOCSIWRANGE */
+	NULL,			/* SIOCGIWRANGE */
+	NULL,			/* SIOCSIWPRIV */
+	NULL,			/* SIOCGIWPRIV */
+	NULL,			/* SIOCSIWSTATS */
+	NULL,			/* SIOCGIWSTATS */
+	iw_handler_set_spy,	/* SIOCSIWSPY */
+	iw_handler_get_spy,	/* SIOCGIWSPY */
+	iw_handler_set_thrspy,  /* SIOCSIWTHRSPY */
+	iw_handler_get_thrspy,  /* SIOCGIWTHRSPY */
+	NULL,			/* SIOCSIWAP */
+	wlcompat_ioctl,		/* SIOCGIWAP */
+	NULL,			/* -- hole -- */
+	NULL,			/* SIOCGIWAPLIST */
+	NULL,			/* -- hole -- */
+	NULL,			/* -- hole -- */
+	NULL,			/* SIOCSIWESSID */
+	wlcompat_ioctl,		/* SIOCGIWESSID */
+	NULL,			/* SIOCSIWNICKN */
+	NULL,			/* SIOCGIWNICKN */
+	NULL,			/* -- hole -- */
+	NULL,			/* -- hole -- */
+	NULL,			/* SIOCSIWRATE */
+	NULL,			/* SIOCGIWRATE */
+	NULL,			/* SIOCSIWRTS */
+	wlcompat_ioctl,		/* SIOCGIWRTS */
+	NULL,			/* SIOCSIWFRAG */
+	wlcompat_ioctl,		/* SIOCGIWFRAG */
+	NULL,			/* SIOCSIWTXPOW */
+	wlcompat_ioctl,		/* SIOCGIWTXPOW */
+	NULL,			/* SIOCSIWRETRY */
+	NULL,			/* SIOCGIWRETRY */
+	NULL,			/* SIOCSIWENCODE */
+	wlcompat_ioctl,		/* SIOCGIWENCODE */
+};
+
+static const struct iw_handler_def      wlcompat_handler_def =
+{
+	.standard	= (iw_handler *) wlcompat_handler,
+	.num_standard	= sizeof(wlcompat_handler)/sizeof(iw_handler),
+	.private	= NULL,
+	.num_private	= 0,
+	.private_args	= NULL, 
+	.num_private_args = 0,
+};
+
+#ifdef DEBUG
+static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
+static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
+	int ret = old_ioctl(dev,ifr,cmd);
+	printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
+	if (cmd==SIOCDEVPRIVATE) {
+		int x;
+		wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
+		unsigned char *buf = ioc->buf;
+		printk("   cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
+		printk("   ->");
+		for (x=0;x<ioc->len && x<128 ;x++) {
+			printk("%02X",buf[x]);
+		}
+		printk("\n");
+	}
+	return ret;
+}
+#endif
+
+static int __init wlcompat_init()
+{
+	dev = dev_get_by_name("eth1");
+#ifdef DEBUG
+	old_ioctl = dev->do_ioctl;
+	dev->do_ioctl = new_ioctl;
+#endif
+	dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
+	return 0;
+}
+
+static void __exit wlcompat_exit()
+{
+	dev->wireless_handlers = NULL;
+#ifdef DEBUG
+	dev->do_ioctl = old_ioctl;
+#endif
+	return;
+}
+
+EXPORT_NO_SYMBOLS;
+MODULE_AUTHOR("openwrt.org");
+MODULE_LICENSE("GPL");
+
+module_init(wlcompat_init);
+module_exit(wlcompat_exit);