update hostapd to latest development release (v0.4.5),

add driver for hostap, 
enable wpa-psk.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2276 3c298f89-4303-0410-b956-a3cf2f4a3e73

2 files changed, 1278 insertions, 11 deletions

diff --git a/package/hostapd/patches/001-cross_compile_fix.patch b/package/hostapd/patches/001-cross_compile_fix.patch
index d4323a7d96..ca2bb23c77 100644
--- a/package/hostapd/patches/001-cross_compile_fix.patch
+++ b/package/hostapd/patches/001-cross_compile_fix.patch
@@ -19,14 +19,3 @@ diff -ruN hostapd-0.3.9-old/Makefile hostapd-0.3.9-new/Makefile
  
  driver_conf.c: Makefile .config
  	rm -f driver_conf.c
-diff -ruN hostapd-0.3.9-old/driver_madwifi.c hostapd-0.3.9-new/driver_madwifi.c
---- hostapd-0.3.9-old/driver_madwifi.c	2005-05-18 05:38:57.000000000 +0200
-+++ hostapd-0.3.9-new/driver_madwifi.c	2005-08-14 08:23:21.000000000 +0200
-@@ -24,6 +24,7 @@
- #include <include/compat.h>
- #include <net80211/ieee80211.h>
- #include <net80211/ieee80211_crypto.h>
-+#include <net80211/_ieee80211.h>
- #include <net80211/ieee80211_ioctl.h>
- 
- #include <net/if_arp.h>
diff --git a/package/hostapd/patches/002-madwifi.patch b/package/hostapd/patches/002-madwifi.patch
new file mode 100644
index 0000000000..f53ad7d898
--- /dev/null
+++ b/package/hostapd/patches/002-madwifi.patch
@@ -0,0 +1,1278 @@
+diff -ruN hostapd-0.4.5-old/driver_madwifi.c hostapd-0.4.5-new/driver_madwifi.c
+--- hostapd-0.4.5-old/driver_madwifi.c	2005-10-23 14:52:39.000000000 +0200
++++ hostapd-0.4.5-new/driver_madwifi.c	2005-10-23 15:09:45.000000000 +0200
+@@ -20,19 +20,20 @@
+ #include <errno.h>
+ #include <sys/types.h>
+ #include <sys/socket.h>
++#include <linux/if.h>
++#include <stdint.h>
+ 
+ #include <include/compat.h>
+ #include <net80211/ieee80211.h>
+ #ifdef WME_NUM_AC
+ /* Assume this is built against BSD branch of madwifi driver. */
+-#define MADWIFI_BSD
+ #include <net80211/_ieee80211.h>
+ #endif /* WME_NUM_AC */
+ #include <net80211/ieee80211_crypto.h>
+ #include <net80211/ieee80211_ioctl.h>
+ 
+ #include <net/if_arp.h>
+-#include "wireless_copy.h"
++#include <wireless.h>
+ 
+ #include <netinet/in.h>
+ #include <netpacket/packet.h>
+diff -ruN hostapd-0.4.5-old/driver_madwifi.~c hostapd-0.4.5-new/driver_madwifi.~c
+--- hostapd-0.4.5-old/driver_madwifi.~c	1970-01-01 01:00:00.000000000 +0100
++++ hostapd-0.4.5-new/driver_madwifi.~c	2005-10-23 15:06:20.000000000 +0200
+@@ -0,0 +1,1248 @@
++/*
++ * Host AP - driver interaction with MADWIFI 802.11 driver
++ * Copyright (c) 2004, Sam Leffler <sam@errno.com>
++ * Copyright (c) 2004, Video54 Technologies
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ *
++ * Alternatively, this software may be distributed under the terms of BSD
++ * license.
++ *
++ * See README and COPYING for more details.
++ */
++#include <stdlib.h>
++#include <stdio.h>
++#include <unistd.h>
++#include <string.h>
++#include <sys/ioctl.h>
++#include <errno.h>
++#include <sys/types.h>
++#include <sys/socket.h>
++
++#include <include/compat.h>
++#include <net80211/ieee80211.h>
++#ifdef WME_NUM_AC
++/* Assume this is built against BSD branch of madwifi driver. */
++#include <net80211/_ieee80211.h>
++#endif /* WME_NUM_AC */
++#include <net80211/ieee80211_crypto.h>
++#include <net80211/ieee80211_ioctl.h>
++
++#include <net/if_arp.h>
++#include <wireless.h>
++
++#include <netinet/in.h>
++#include <netpacket/packet.h>
++
++#include "hostapd.h"
++#include "driver.h"
++#include "ieee802_1x.h"
++#include "eloop.h"
++#include "priv_netlink.h"
++#include "sta_info.h"
++#include "l2_packet.h"
++#include "hostap_common.h"
++
++#include "eapol_sm.h"
++#include "wpa.h"
++#include "radius.h"
++#include "ieee802_11.h"
++#include "accounting.h"
++#include "common.h"
++
++
++struct madwifi_driver_data {
++	struct driver_ops ops;			/* base class */
++	struct hostapd_data *hapd;		/* back pointer */
++
++	char	iface[IFNAMSIZ + 1];
++	int     ifindex;
++	struct l2_packet_data *sock_xmit;	/* raw packet xmit socket */
++	struct l2_packet_data *sock_recv;	/* raw packet recv socket */
++	int	ioctl_sock;			/* socket for ioctl() use */
++	int	wext_sock;			/* socket for wireless events */
++	int	we_version;
++	u8	acct_mac[ETH_ALEN];
++	struct hostap_sta_driver_data acct_data;
++};
++
++static const struct driver_ops madwifi_driver_ops;
++
++static int madwifi_sta_deauth(void *priv, u8 *addr, int reason_code);
++
++static int
++set80211priv(struct madwifi_driver_data *drv, int op, void *data, int len)
++{
++#define	N(a)	(sizeof(a)/sizeof(a[0]))
++	struct iwreq iwr;
++
++	memset(&iwr, 0, sizeof(iwr));
++	strncpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
++	if (len < IFNAMSIZ) {
++		/*
++		 * Argument data fits inline; put it there.
++		 */
++		memcpy(iwr.u.name, data, len);
++	} else {
++		/*
++		 * Argument data too big for inline transfer; setup a
++		 * parameter block instead; the kernel will transfer
++		 * the data for the driver.
++		 */
++		iwr.u.data.pointer = data;
++		iwr.u.data.length = len;
++	}
++
++	if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
++		static const char *opnames[] = {
++			"ioctl[IEEE80211_IOCTL_SETPARAM]",
++			"ioctl[IEEE80211_IOCTL_GETPARAM]",
++			"ioctl[IEEE80211_IOCTL_SETKEY]",
++			"ioctl[SIOCIWFIRSTPRIV+3]",
++			"ioctl[IEEE80211_IOCTL_DELKEY]",
++			"ioctl[SIOCIWFIRSTPRIV+5]",
++			"ioctl[IEEE80211_IOCTL_SETMLME]",
++			"ioctl[SIOCIWFIRSTPRIV+7]",
++			"ioctl[IEEE80211_IOCTL_SETOPTIE]",
++			"ioctl[IEEE80211_IOCTL_GETOPTIE]",
++			"ioctl[IEEE80211_IOCTL_ADDMAC]",
++			"ioctl[SIOCIWFIRSTPRIV+11]",
++			"ioctl[IEEE80211_IOCTL_DELMAC]",
++			"ioctl[SIOCIWFIRSTPRIV+13]",
++			"ioctl[IEEE80211_IOCTL_CHANLIST]",
++			"ioctl[SIOCIWFIRSTPRIV+15]",
++			"ioctl[IEEE80211_IOCTL_GETRSN]",
++			"ioctl[SIOCIWFIRSTPRIV+17]",
++			"ioctl[IEEE80211_IOCTL_GETKEY]",
++		};
++		op -= SIOCIWFIRSTPRIV;
++		if (0 <= op && op < N(opnames))
++			perror(opnames[op]);
++		else
++			perror("ioctl[unknown???]");
++		return -1;
++	}
++	return 0;
++#undef N
++}
++
++static int
++set80211param(struct madwifi_driver_data *drv, int op, int arg)
++{
++	struct iwreq iwr;
++
++	memset(&iwr, 0, sizeof(iwr));
++	strncpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
++	iwr.u.mode = op;
++	memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg));
++
++	if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
++		perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
++		return -1;
++	}
++	return 0;
++}
++
++static const char *
++ether_sprintf(const u8 *addr)
++{
++	static char buf[sizeof(MACSTR)];
++
++	if (addr != NULL)
++		snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
++	else
++		snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
++	return buf;
++}
++
++/*
++ * Configure WPA parameters.
++ */
++static int
++madwifi_configure_wpa(struct madwifi_driver_data *drv)
++{
++	hostapd *hapd = drv->hapd;
++	struct hostapd_config *conf = hapd->conf;
++	int v;
++
++	switch (conf->wpa_group) {
++	case WPA_CIPHER_CCMP:
++		v = IEEE80211_CIPHER_AES_CCM;
++		break;
++	case WPA_CIPHER_TKIP:
++		v = IEEE80211_CIPHER_TKIP;
++		break;
++	case WPA_CIPHER_WEP104:
++		v = IEEE80211_CIPHER_WEP;
++		break;
++	case WPA_CIPHER_WEP40:
++		v = IEEE80211_CIPHER_WEP;
++		break;
++	case WPA_CIPHER_NONE:
++		v = IEEE80211_CIPHER_NONE;
++		break;
++	default:
++		printf("Unknown group key cipher %u\n",
++			conf->wpa_group);
++		return -1;
++	}
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++		"%s: group key cipher=%d\n", __func__, v);
++	if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
++		printf("Unable to set group key cipher to %u\n", v);
++		return -1;
++	}
++	if (v == IEEE80211_CIPHER_WEP) {
++		/* key length is done only for specific ciphers */
++		v = (conf->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
++		if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
++			printf("Unable to set group key length to %u\n", v);
++			return -1;
++		}
++	}
++
++	v = 0;
++	if (conf->wpa_pairwise & WPA_CIPHER_CCMP)
++		v |= 1<<IEEE80211_CIPHER_AES_CCM;
++	if (conf->wpa_pairwise & WPA_CIPHER_TKIP)
++		v |= 1<<IEEE80211_CIPHER_TKIP;
++	if (conf->wpa_pairwise & WPA_CIPHER_NONE)
++		v |= 1<<IEEE80211_CIPHER_NONE;
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++		"%s: pairwise key ciphers=0x%x\n", __func__, v);
++	if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
++		printf("Unable to set pairwise key ciphers to 0x%x\n", v);
++		return -1;
++	}
++
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++		"%s: key management algorithms=0x%x\n",
++		__func__, conf->wpa_key_mgmt);
++	if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS, conf->wpa_key_mgmt)) {
++		printf("Unable to set key management algorithms to 0x%x\n",
++			conf->wpa_key_mgmt);
++		return -1;
++	}
++
++	v = 0;
++	if (conf->rsn_preauth)
++		v |= BIT(0);
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++		"%s: rsn capabilities=0x%x\n", __func__, conf->rsn_preauth);
++	if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
++		printf("Unable to set RSN capabilities to 0x%x\n", v);
++		return -1;
++	}
++
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++		"%s: enable WPA= 0x%x\n", __func__, conf->wpa);
++	if (set80211param(drv, IEEE80211_PARAM_WPA, conf->wpa)) {
++		printf("Unable to set WPA to %u\n", conf->wpa);
++		return -1;
++	}
++	return 0;
++}
++
++
++static int
++madwifi_set_iface_flags(void *priv, int dev_up)
++{
++	struct madwifi_driver_data *drv = priv;
++	hostapd *hapd = drv->hapd;
++	struct ifreq ifr;
++
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_VERBOSE,
++		"%s: dev_up=%d\n", __func__, dev_up);
++
++	if (drv->ioctl_sock < 0)
++		return -1;
++
++	memset(&ifr, 0, sizeof(ifr));
++	snprintf(ifr.ifr_name, IFNAMSIZ, "%s", drv->iface);
++
++	if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
++		perror("ioctl[SIOCGIFFLAGS]");
++		return -1;
++	}
++
++	if (dev_up)
++		ifr.ifr_flags |= IFF_UP;
++	else
++		ifr.ifr_flags &= ~IFF_UP;
++
++	if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
++		perror("ioctl[SIOCSIFFLAGS]");
++		return -1;
++	}
++
++	if (dev_up) {
++		memset(&ifr, 0, sizeof(ifr));
++		snprintf(ifr.ifr_name, IFNAMSIZ, "%s", drv->iface);
++		ifr.ifr_mtu = HOSTAPD_MTU;
++		if (ioctl(drv->ioctl_sock, SIOCSIFMTU, &ifr) != 0) {
++			perror("ioctl[SIOCSIFMTU]");
++			printf("Setting MTU failed - trying to survive with "
++			       "current value\n");
++		}
++	}
++
++	return 0;
++}
++
++static int
++madwifi_set_ieee8021x(void *priv, int enabled)
++{
++	struct madwifi_driver_data *drv = priv;
++	hostapd *hapd = drv->hapd;
++	struct hostapd_config *conf = hapd->conf;
++
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_VERBOSE,
++		"%s: enabled=%d\n", __func__, enabled);
++
++	if (!enabled) {
++		/* XXX restore state */
++		return set80211param(priv, IEEE80211_PARAM_AUTHMODE,
++			IEEE80211_AUTH_AUTO);
++	}
++	if (!conf->wpa && !conf->ieee802_1x) {
++		hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
++			HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
++		return -1;
++	}
++	if (conf->wpa && madwifi_configure_wpa(drv) != 0) {
++		hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
++			HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
++		return -1;
++	}
++	if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
++		(conf->wpa ?  IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
++		hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
++			HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
++		return -1;
++	}
++	return madwifi_set_iface_flags(priv, 1);
++}
++
++static int
++madwifi_set_privacy(void *priv, int enabled)
++{
++	struct madwifi_driver_data *drv = priv;
++	hostapd *hapd = drv->hapd;
++
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++		"%s: enabled=%d\n", __func__, enabled);
++
++	return set80211param(priv, IEEE80211_PARAM_PRIVACY, enabled);
++}
++
++static int
++madwifi_set_sta_authorized(void *priv, u8 *addr, int authorized)
++{
++	struct madwifi_driver_data *drv = priv;
++	hostapd *hapd = drv->hapd;
++	struct ieee80211req_mlme mlme;
++
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_VERBOSE,
++		"%s: addr=%s authorized=%d\n",
++		__func__, ether_sprintf(addr), authorized);
++
++	if (authorized)
++		mlme.im_op = IEEE80211_MLME_AUTHORIZE;
++	else
++		mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
++	mlme.im_reason = 0;
++	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
++	return set80211priv(priv, IEEE80211_IOCTL_SETMLME, &mlme,
++			    sizeof(mlme));
++}
++
++static int
++madwifi_del_key(void *priv, unsigned char *addr, int key_idx)
++{
++	struct madwifi_driver_data *drv = priv;
++	hostapd *hapd = drv->hapd;
++	struct ieee80211req_del_key wk;
++
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++		"%s: addr=%s key_idx=%d\n",
++		__func__, ether_sprintf(addr), key_idx);
++
++	memset(&wk, 0, sizeof(wk));
++	if (addr != NULL) {
++		memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
++		wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
++	} else {
++		wk.idk_keyix = key_idx;
++	}
++
++	return set80211priv(priv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
++}
++
++static int
++madwifi_set_key(void *priv, const char *alg,
++	     unsigned char *addr, int key_idx,
++	     u8 *key, size_t key_len)
++{
++	struct madwifi_driver_data *drv = priv;
++	hostapd *hapd = drv->hapd;
++	struct ieee80211req_key wk;
++	u_int8_t cipher;
++
++	if (strcmp(alg, "none") == 0)
++		return madwifi_del_key(priv, addr, key_idx);
++
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++		"%s: alg=%s addr=%s key_idx=%d\n",
++		__func__, alg, ether_sprintf(addr), key_idx);
++
++	if (strcmp(alg, "WEP") == 0)
++		cipher = IEEE80211_CIPHER_WEP;
++	else if (strcmp(alg, "TKIP") == 0)
++		cipher = IEEE80211_CIPHER_TKIP;
++	else if (strcmp(alg, "CCMP") == 0)
++		cipher = IEEE80211_CIPHER_AES_CCM;
++	else {
++		printf("%s: unknown/unsupported algorithm %s\n",
++			__func__, alg);
++		return -1;
++	}
++
++	if (key_len > sizeof(wk.ik_keydata)) {
++		printf("%s: key length %lu too big\n", __func__,
++		       (unsigned long) key_len);
++		return -3;
++	}
++
++	memset(&wk, 0, sizeof(wk));
++	wk.ik_type = cipher;
++	wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
++	if (addr == NULL) {
++		memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
++		wk.ik_keyix = key_idx;
++		wk.ik_flags |= IEEE80211_KEY_DEFAULT;
++	} else {
++		memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
++		wk.ik_keyix = IEEE80211_KEYIX_NONE;
++	}
++	wk.ik_keylen = key_len;
++	memcpy(wk.ik_keydata, key, key_len);
++
++	return set80211priv(priv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
++}
++
++
++static int
++madwifi_get_seqnum(void *priv, u8 *addr, int idx, u8 *seq)
++{
++	struct madwifi_driver_data *drv = priv;
++	hostapd *hapd = drv->hapd;
++	struct ieee80211req_key wk;
++
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++		"%s: addr=%s idx=%d\n", __func__, ether_sprintf(addr), idx);
++
++	memset(&wk, 0, sizeof(wk));
++	if (addr == NULL)
++		memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
++	else
++		memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
++	wk.ik_keyix = idx;
++
++	if (set80211priv(priv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
++		printf("Failed to get encryption.\n");
++		return -1;
++	}
++
++#ifdef WORDS_BIGENDIAN
++	{
++		/*
++		 * wk.ik_keytsc is in host byte order (big endian), need to
++		 * swap it to match with the byte order used in WPA.
++		 */
++		int i;
++		u8 tmp[WPA_KEY_RSC_LEN];
++		memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
++		for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
++			seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
++		}
++	}
++#else /* WORDS_BIGENDIAN */
++	memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
++#endif /* WORDS_BIGENDIAN */
++	return 0;
++}
++
++
++static int 
++madwifi_flush(void *priv)
++{
++#ifdef MADWIFI_BSD
++	u8 allsta[IEEE80211_ADDR_LEN];
++	memset(allsta, 0xff, IEEE80211_ADDR_LEN);
++	return madwifi_sta_deauth(priv, allsta, IEEE80211_REASON_AUTH_LEAVE);
++#else /* MADWIFI_BSD */
++	return 0;		/* XXX */
++#endif /* MADWIFI_BSD */
++}
++
++
++static int
++madwifi_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
++					u8 *addr)
++{
++	struct madwifi_driver_data *drv = priv;
++
++#ifdef MADWIFI_BSD
++	struct ieee80211req_sta_stats stats;
++
++	memset(data, 0, sizeof(*data));
++
++	/*
++	 * Fetch statistics for station from the system.
++	 */
++	memset(&stats, 0, sizeof(stats));
++	memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
++	if (set80211priv(drv, IEEE80211_IOCTL_GETSTASTATS, &stats,
++			 sizeof(stats))) {
++		if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
++			memcpy(data, &drv->acct_data, sizeof(*data));
++			return 0;
++		}
++
++		printf("Failed to get station stats information element.\n");
++		return -1;
++	}
++
++	data->rx_packets = stats.is_stats.ns_rx_data;
++	data->rx_bytes = stats.is_stats.ns_rx_bytes;
++	data->tx_packets = stats.is_stats.ns_tx_data;
++	data->tx_bytes = stats.is_stats.ns_tx_bytes;
++	return 0;
++
++#else /* MADWIFI_BSD */
++
++	char buf[1024], line[128], *pos;
++	FILE *f;
++	unsigned long val;
++
++	memset(data, 0, sizeof(*data));
++	snprintf(buf, sizeof(buf), "/proc/net/madwifi/%s/" MACSTR,
++		 drv->iface, MAC2STR(addr));
++
++	f = fopen(buf, "r");
++	if (!f) {
++		if (memcmp(addr, drv->acct_mac, ETH_ALEN) != 0)
++			return -1;
++		memcpy(data, &drv->acct_data, sizeof(*data));
++		return 0;
++	}
++	/* Need to read proc file with in one piece, so use large enough
++	 * buffer. */
++	setbuffer(f, buf, sizeof(buf));
++
++	while (fgets(line, sizeof(line), f)) {
++		pos = strchr(line, '=');
++		if (!pos)
++			continue;
++		*pos++ = '\0';
++		val = strtoul(pos, NULL, 10);
++		if (strcmp(line, "rx_packets") == 0)
++			data->rx_packets = val;
++		else if (strcmp(line, "tx_packets") == 0)
++			data->tx_packets = val;
++		else if (strcmp(line, "rx_bytes") == 0)
++			data->rx_bytes = val;
++		else if (strcmp(line, "tx_bytes") == 0)
++			data->tx_bytes = val;
++	}
++
++	fclose(f);
++
++	return 0;
++#endif /* MADWIFI_BSD */
++}
++
++
++static int
++madwifi_sta_clear_stats(void *priv, u8 *addr)
++{
++#ifdef MADWIFI_BSD
++	struct madwifi_driver_data *drv = priv;
++	struct hostapd_data *hapd = drv->hapd;
++	struct ieee80211req_mlme mlme;
++	
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL, "%s: addr=%s\n",
++		      __func__, ether_sprintf(addr));
++
++	mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
++	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
++	return set80211priv(priv, IEEE80211_IOCTL_SETMLME, &mlme,
++			    sizeof(mlme));
++#else /* MADWIFI_BSD */
++	return 0; /* FIX */
++#endif /* MADWIFI_BSD */
++}
++
++
++static int
++madwifi_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
++{
++	/*
++	 * Do nothing; we setup parameters at startup that define the
++	 * contents of the beacon information element.
++	 */
++	return 0;
++}
++
++static int
++madwifi_sta_deauth(void *priv, u8 *addr, int reason_code)
++{
++	struct madwifi_driver_data *drv = priv;
++	hostapd *hapd = drv->hapd;
++	struct ieee80211req_mlme mlme;
++
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++		"%s: addr=%s reason_code=%d\n",
++		__func__, ether_sprintf(addr), reason_code);
++
++	mlme.im_op = IEEE80211_MLME_DEAUTH;
++	mlme.im_reason = reason_code;
++	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
++	return set80211priv(priv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
++}
++
++static int
++madwifi_sta_disassoc(void *priv, u8 *addr, int reason_code)
++{
++	struct madwifi_driver_data *drv = priv;
++	hostapd *hapd = drv->hapd;
++	struct ieee80211req_mlme mlme;
++
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++		"%s: addr=%s reason_code=%d\n",
++		__func__, ether_sprintf(addr), reason_code);
++
++	mlme.im_reason = reason_code;
++	memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
++	return set80211priv(priv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
++}
++
++static int
++madwifi_del_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
++{
++	struct hostapd_data *hapd = drv->hapd;
++	struct sta_info *sta;
++
++	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
++		HOSTAPD_LEVEL_INFO, "deassociated");
++
++	sta = ap_get_sta(hapd, addr);
++	if (sta != NULL) {
++		sta->flags &= ~WLAN_STA_ASSOC;
++		wpa_sm_event(hapd, sta, WPA_DISASSOC);
++		sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
++		ieee802_1x_set_port_enabled(hapd, sta, 0);
++		ap_free_sta(hapd, sta);
++	}
++	return 0;
++}
++
++static int
++madwifi_process_wpa_ie(struct madwifi_driver_data *drv, struct sta_info *sta)
++{
++	struct hostapd_data *hapd = drv->hapd;
++	struct ieee80211req_wpaie ie;
++	int ielen, res;
++
++	/*
++	 * Fetch negotiated WPA/RSN parameters from the system.
++	 */
++	memset(&ie, 0, sizeof(ie));
++	memcpy(ie.wpa_macaddr, sta->addr, IEEE80211_ADDR_LEN);
++	if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
++		printf("Failed to get WPA/RSN information element.\n");
++		return -1;		/* XXX not right */
++	}
++	ielen = ie.wpa_ie[1];
++	if (ielen == 0) {
++		printf("No WPA/RSN information element for station!?\n");
++		return -1;		/* XXX not right */
++	}
++	ielen += 2;
++	res = wpa_validate_wpa_ie(hapd, sta, ie.wpa_ie, ielen,
++			ie.wpa_ie[0] == WLAN_EID_RSN ?
++			    HOSTAPD_WPA_VERSION_WPA2 : HOSTAPD_WPA_VERSION_WPA);
++	if (res != WPA_IE_OK) {
++		printf("WPA/RSN information element rejected? (res %u)\n", res);
++		return -1;
++	}
++	free(sta->wpa_ie);
++	sta->wpa_ie = malloc(ielen);
++	if (sta->wpa_ie == NULL) {
++		printf("No memory to save WPA/RSN information element!\n");
++		return -1;
++	}
++	memcpy(sta->wpa_ie, ie.wpa_ie, ielen);
++	sta->wpa_ie_len = ielen;
++	return 0;
++}
++
++static int
++madwifi_new_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
++{
++	struct hostapd_data *hapd = drv->hapd;
++	struct sta_info *sta;
++	int new_assoc;
++
++	hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
++		HOSTAPD_LEVEL_INFO, "associated");
++
++	sta = ap_get_sta(hapd, addr);
++	if (sta) {
++		accounting_sta_stop(hapd, sta);
++	} else {
++		sta = ap_sta_add(hapd, addr);
++		if (sta == NULL)
++			return -1;
++	}
++
++	if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
++		/* Cached accounting data is not valid anymore. */
++		memset(drv->acct_mac, 0, ETH_ALEN);
++		memset(&drv->acct_data, 0, sizeof(drv->acct_data));
++	}
++	accounting_sta_get_id(hapd, sta);
++
++	if (hapd->conf->wpa) {
++		if (madwifi_process_wpa_ie(drv, sta))
++			return -1;
++	} else {
++		free(sta->wpa_ie);
++		sta->wpa_ie = NULL;
++		sta->wpa_ie_len = 0;
++	}
++
++	/*
++	 * Now that the internal station state is setup
++	 * kick the authenticator into action.
++	 */
++	new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
++	sta->flags |= WLAN_STA_ASSOC;
++	wpa_sm_event(hapd, sta, WPA_ASSOC);
++	hostapd_new_assoc_sta(hapd, sta, !new_assoc);
++	ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
++	return 0;
++}
++
++static void
++madwifi_wireless_event_wireless_custom(struct madwifi_driver_data *drv,
++				       char *custom)
++{
++	struct hostapd_data *hapd = drv->hapd;
++
++	HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL, "Custom wireless event: '%s'\n",
++		      custom);
++
++	if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
++		char *pos;
++		u8 addr[ETH_ALEN];
++		pos = strstr(custom, "addr=");
++		if (pos == NULL) {
++			HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++				      "MLME-MICHAELMICFAILURE.indication "
++				      "without sender address ignored\n");
++			return;
++		}
++		pos += 5;
++		if (hwaddr_aton(pos, addr) == 0) {
++			ieee80211_michael_mic_failure(drv->hapd, addr, 1);
++		} else {
++			HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++				      "MLME-MICHAELMICFAILURE.indication "
++				      "with invalid MAC address");
++		}
++	} else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
++		char *key, *value;
++		u32 val;
++		key = custom;
++		while ((key = strchr(key, '\n')) != NULL) {
++			key++;
++			value = strchr(key, '=');
++			if (value == NULL)
++				continue;
++			*value++ = '\0';
++			val = strtoul(value, NULL, 10);
++			if (strcmp(key, "mac") == 0)
++				hwaddr_aton(value, drv->acct_mac);
++			else if (strcmp(key, "rx_packets") == 0)
++				drv->acct_data.rx_packets = val;
++			else if (strcmp(key, "tx_packets") == 0)
++				drv->acct_data.tx_packets = val;
++			else if (strcmp(key, "rx_bytes") == 0)
++				drv->acct_data.rx_bytes = val;
++			else if (strcmp(key, "tx_bytes") == 0)
++				drv->acct_data.tx_bytes = val;
++			key = value;
++		}
++	}
++}
++
++static void
++madwifi_wireless_event_wireless(struct madwifi_driver_data *drv,
++					    char *data, int len)
++{
++	struct hostapd_data *hapd = drv->hapd;
++	struct iw_event iwe_buf, *iwe = &iwe_buf;
++	char *pos, *end, *custom, *buf;
++
++	pos = data;
++	end = data + len;
++
++	while (pos + IW_EV_LCP_LEN <= end) {
++		/* Event data may be unaligned, so make a local, aligned copy
++		 * before processing. */
++		memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
++		HOSTAPD_DEBUG(HOSTAPD_DEBUG_VERBOSE, "Wireless event: "
++			      "cmd=0x%x len=%d\n", iwe->cmd, iwe->len);
++		if (iwe->len <= IW_EV_LCP_LEN)
++			return;
++
++		custom = pos + IW_EV_POINT_LEN;
++		if (drv->we_version > 18 &&
++		    (iwe->cmd == IWEVMICHAELMICFAILURE ||
++		     iwe->cmd == IWEVCUSTOM)) {
++			/* WE-19 removed the pointer from struct iw_point */
++			char *dpos = (char *) &iwe_buf.u.data.length;
++			int dlen = dpos - (char *) &iwe_buf;
++			memcpy(dpos, pos + IW_EV_LCP_LEN,
++			       sizeof(struct iw_event) - dlen);
++		} else {
++			memcpy(&iwe_buf, pos, sizeof(struct iw_event));
++			custom += IW_EV_POINT_OFF;
++		}
++
++		switch (iwe->cmd) {
++		case IWEVEXPIRED:
++			madwifi_del_sta(drv, iwe->u.addr.sa_data);
++			break;
++		case IWEVREGISTERED:
++			madwifi_new_sta(drv, iwe->u.addr.sa_data);
++			break;
++		case IWEVCUSTOM:
++			if (custom + iwe->u.data.length > end)
++				return;
++			buf = malloc(iwe->u.data.length + 1);
++			if (buf == NULL)
++				return;		/* XXX */
++			memcpy(buf, custom, iwe->u.data.length);
++			buf[iwe->u.data.length] = '\0';
++			madwifi_wireless_event_wireless_custom(drv, buf);
++			free(buf);
++			break;
++		}
++
++		pos += iwe->len;
++	}
++}
++
++
++static void
++madwifi_wireless_event_rtm_newlink(struct madwifi_driver_data *drv,
++					       struct nlmsghdr *h, int len)
++{
++	struct ifinfomsg *ifi;
++	int attrlen, nlmsg_len, rta_len;
++	struct rtattr * attr;
++
++	if (len < sizeof(*ifi))
++		return;
++
++	ifi = NLMSG_DATA(h);
++
++	if (ifi->ifi_index != drv->ifindex)
++		return;
++
++	nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
++
++	attrlen = h->nlmsg_len - nlmsg_len;
++	if (attrlen < 0)
++		return;
++
++	attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
++
++	rta_len = RTA_ALIGN(sizeof(struct rtattr));
++	while (RTA_OK(attr, attrlen)) {
++		if (attr->rta_type == IFLA_WIRELESS) {
++			madwifi_wireless_event_wireless(
++				drv, ((char *) attr) + rta_len,
++				attr->rta_len - rta_len);
++		}
++		attr = RTA_NEXT(attr, attrlen);
++	}
++}
++
++
++static void
++madwifi_wireless_event_receive(int sock, void *eloop_ctx, void *sock_ctx)
++{
++	char buf[256];
++	int left;
++	struct sockaddr_nl from;
++	socklen_t fromlen;
++	struct nlmsghdr *h;
++	struct madwifi_driver_data *drv = eloop_ctx;
++
++	fromlen = sizeof(from);
++	left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
++			(struct sockaddr *) &from, &fromlen);
++	if (left < 0) {
++		if (errno != EINTR && errno != EAGAIN)
++			perror("recvfrom(netlink)");
++		return;
++	}
++
++	h = (struct nlmsghdr *) buf;
++	while (left >= sizeof(*h)) {
++		int len, plen;
++
++		len = h->nlmsg_len;
++		plen = len - sizeof(*h);
++		if (len > left || plen < 0) {
++			printf("Malformed netlink message: "
++			       "len=%d left=%d plen=%d\n",
++			       len, left, plen);
++			break;
++		}
++
++		switch (h->nlmsg_type) {
++		case RTM_NEWLINK:
++			madwifi_wireless_event_rtm_newlink(drv, h, plen);
++			break;
++		}
++
++		len = NLMSG_ALIGN(len);
++		left -= len;
++		h = (struct nlmsghdr *) ((char *) h + len);
++	}
++
++	if (left > 0) {
++		printf("%d extra bytes in the end of netlink message\n", left);
++	}
++}
++
++
++static int
++madwifi_get_we_version(struct madwifi_driver_data *drv)
++{
++	struct iw_range *range;
++	struct iwreq iwr;
++	int minlen;
++	size_t buflen;
++
++	drv->we_version = 0;
++
++	/*
++	 * Use larger buffer than struct iw_range in order to allow the
++	 * structure to grow in the future.
++	 */
++	buflen = sizeof(struct iw_range) + 500;
++	range = malloc(buflen);
++	if (range == NULL)
++		return -1;
++	memset(range, 0, buflen);
++
++	memset(&iwr, 0, sizeof(iwr));
++	strncpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
++	iwr.u.data.pointer = (caddr_t) range;
++	iwr.u.data.length = buflen;
++
++	minlen = ((char *) &range->enc_capa) - (char *) range +
++		sizeof(range->enc_capa);
++
++	if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
++		perror("ioctl[SIOCGIWRANGE]");
++		free(range);
++		return -1;
++	} else if (iwr.u.data.length >= minlen &&
++		   range->we_version_compiled >= 18) {
++		wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
++			   "WE(source)=%d enc_capa=0x%x",
++			   range->we_version_compiled,
++			   range->we_version_source,
++			   range->enc_capa);
++		drv->we_version = range->we_version_compiled;
++	}
++
++	free(range);
++	return 0;
++}
++
++
++static int
++madwifi_wireless_event_init(void *priv)
++{
++	struct madwifi_driver_data *drv = priv;
++	int s;
++	struct sockaddr_nl local;
++
++	madwifi_get_we_version(drv);
++
++	drv->wext_sock = -1;
++
++	s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
++	if (s < 0) {
++		perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
++		return -1;
++	}
++
++	memset(&local, 0, sizeof(local));
++	local.nl_family = AF_NETLINK;
++	local.nl_groups = RTMGRP_LINK;
++	if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
++		perror("bind(netlink)");
++		close(s);
++		return -1;
++	}
++
++	eloop_register_read_sock(s, madwifi_wireless_event_receive, drv, NULL);
++	drv->wext_sock = s;
++
++	return 0;
++}
++
++
++static void
++madwifi_wireless_event_deinit(void *priv)
++{
++	struct madwifi_driver_data *drv = priv;
++
++	if (drv != NULL) {
++		if (drv->wext_sock < 0)
++			return;
++		eloop_unregister_read_sock(drv->wext_sock);
++		close(drv->wext_sock);
++	}
++}
++
++
++static int
++madwifi_send_eapol(void *priv, u8 *addr, u8 *data, size_t data_len, int encrypt)
++{
++	struct madwifi_driver_data *drv = priv;
++	hostapd *hapd = drv->hapd;
++	unsigned char buf[3000];
++	unsigned char *bp = buf;
++	struct l2_ethhdr *eth;
++	size_t len;
++	int status;
++
++	/*
++	 * Prepend the Etherent header.  If the caller left us
++	 * space at the front we could just insert it but since
++	 * we don't know we copy to a local buffer.  Given the frequency
++	 * and size of frames this probably doesn't matter.
++	 */
++	len = data_len + sizeof(struct l2_ethhdr);
++	if (len > sizeof(buf)) {
++		bp = malloc(len);
++		if (bp == NULL) {
++			printf("EAPOL frame discarded, cannot malloc temp "
++			       "buffer of size %lu!\n", (unsigned long) len);
++			return -1;
++		}
++	}
++	eth = (struct l2_ethhdr *) bp;
++	memcpy(eth->h_dest, addr, ETH_ALEN);
++	memcpy(eth->h_source, drv->hapd->own_addr, ETH_ALEN);
++	eth->h_proto = htons(ETH_P_EAPOL);
++	memcpy(eth+1, data, data_len);
++
++	if (HOSTAPD_DEBUG_COND(HOSTAPD_DEBUG_MSGDUMPS))
++		hostapd_hexdump("TX EAPOL", bp, len);
++
++	status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
++
++	if (bp != buf)
++		free(bp);
++	return status;
++}
++
++static void
++handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
++{
++	struct madwifi_driver_data *drv = ctx;
++	hostapd *hapd = drv->hapd;
++	struct sta_info *sta;
++
++	sta = ap_get_sta(hapd, src_addr);
++	if (!sta || !(sta->flags & WLAN_STA_ASSOC)) {
++		printf("Data frame from not associated STA %s\n",
++		       ether_sprintf(src_addr));
++		/* XXX cannot happen */
++		return;
++	}
++	ieee802_1x_receive(hapd, src_addr, buf + sizeof(struct l2_ethhdr),
++			   len - sizeof(struct l2_ethhdr));
++}
++
++static int
++madwifi_init(struct hostapd_data *hapd)
++{
++	struct madwifi_driver_data *drv;
++	struct ifreq ifr;
++	struct iwreq iwr;
++
++	drv = malloc(sizeof(struct madwifi_driver_data));
++	if (drv == NULL) {
++		printf("Could not allocate memory for madwifi driver data\n");
++		goto bad;
++	}
++
++	memset(drv, 0, sizeof(*drv));
++	drv->ops = madwifi_driver_ops;
++	drv->hapd = hapd;
++	drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
++	if (drv->ioctl_sock < 0) {
++		perror("socket[PF_INET,SOCK_DGRAM]");
++		goto bad;
++	}
++	memcpy(drv->iface, hapd->conf->iface, sizeof(drv->iface));
++
++	memset(&ifr, 0, sizeof(ifr));
++	snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s", drv->iface);
++	if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
++		perror("ioctl(SIOCGIFINDEX)");
++		goto bad;
++	}
++	drv->ifindex = ifr.ifr_ifindex;
++
++	drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
++					handle_read, drv, 1);
++	if (drv->sock_xmit == NULL)
++		goto bad;
++	if (l2_packet_get_own_addr(drv->sock_xmit, hapd->own_addr))
++		goto bad;
++	if (hapd->conf->bridge[0] != '\0') {
++		HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++			"Configure bridge %s for EAPOL traffic.\n",
++			hapd->conf->bridge);
++		drv->sock_recv = l2_packet_init(hapd->conf->bridge, NULL,
++						ETH_P_EAPOL, handle_read, drv,
++						0);
++		if (drv->sock_recv == NULL)
++			goto bad;
++	} else
++		drv->sock_recv = drv->sock_xmit;
++
++	memset(&iwr, 0, sizeof(iwr));
++	strncpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
++
++	iwr.u.mode = IW_MODE_MASTER;
++
++	if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
++		perror("ioctl[SIOCSIWMODE]");
++		printf("Could not set interface to master mode!\n");
++		goto bad;
++	}
++
++	madwifi_set_iface_flags(drv, 0);	/* mark down during setup */
++
++	hapd->driver = &drv->ops;
++	return 0;
++bad:
++	if (drv->sock_xmit != NULL)
++		l2_packet_deinit(drv->sock_xmit);
++	if (drv->ioctl_sock >= 0)
++		close(drv->ioctl_sock);
++	if (drv != NULL)
++		free(drv);
++	return -1;
++}
++
++
++static void
++madwifi_deinit(void *priv)
++{
++	struct madwifi_driver_data *drv = priv;
++
++	drv->hapd->driver = NULL;
++
++	(void) madwifi_set_iface_flags(drv, 0);
++	if (drv->ioctl_sock >= 0)
++		close(drv->ioctl_sock);
++	if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
++		l2_packet_deinit(drv->sock_recv);
++	if (drv->sock_xmit != NULL)
++		l2_packet_deinit(drv->sock_xmit);
++	free(drv);
++}
++
++static int
++madwifi_set_ssid(void *priv, u8 *buf, int len)
++{
++	struct madwifi_driver_data *drv = priv;
++	struct iwreq iwr;
++
++	memset(&iwr, 0, sizeof(iwr));
++	strncpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
++	iwr.u.essid.flags = 1; /* SSID active */
++	iwr.u.essid.pointer = (caddr_t) buf;
++	iwr.u.essid.length = len + 1;
++
++	if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
++		perror("ioctl[SIOCSIWESSID]");
++		printf("len=%d\n", len);
++		return -1;
++	}
++	return 0;
++}
++
++static int
++madwifi_get_ssid(void *priv, u8 *buf, int len)
++{
++	struct madwifi_driver_data *drv = priv;
++	struct iwreq iwr;
++	int ret = 0;
++
++	memset(&iwr, 0, sizeof(iwr));
++	strncpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
++	iwr.u.essid.pointer = (caddr_t) buf;
++	iwr.u.essid.length = len;
++
++	if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
++		perror("ioctl[SIOCGIWESSID]");
++		ret = -1;
++	} else
++		ret = iwr.u.essid.length;
++
++	return ret;
++}
++
++static const struct driver_ops madwifi_driver_ops = {
++	.name			= "madwifi",
++	.init			= madwifi_init,
++	.deinit			= madwifi_deinit,
++	.set_ieee8021x		= madwifi_set_ieee8021x,
++	.set_privacy		= madwifi_set_privacy,
++	.set_encryption		= madwifi_set_key,
++	.get_seqnum		= madwifi_get_seqnum,
++	.flush			= madwifi_flush,
++	.set_generic_elem	= madwifi_set_opt_ie,
++	.wireless_event_init	= madwifi_wireless_event_init,
++	.wireless_event_deinit	= madwifi_wireless_event_deinit,
++	.set_sta_authorized	= madwifi_set_sta_authorized,
++	.read_sta_data		= madwifi_read_sta_driver_data,
++	.send_eapol		= madwifi_send_eapol,
++	.sta_disassoc		= madwifi_sta_disassoc,
++	.sta_deauth		= madwifi_sta_deauth,
++	.set_ssid		= madwifi_set_ssid,
++	.get_ssid		= madwifi_get_ssid,
++	.sta_clear_stats        = madwifi_sta_clear_stats,
++};
++
++void madwifi_driver_register(void)
++{
++	driver_register(madwifi_driver_ops.name, &madwifi_driver_ops);
++}