diff -Nur wpa_supplicant-0.4.7/defconfig wpa_supplicant-0.4.7.new/defconfig
--- wpa_supplicant-0.4.7/defconfig	2005-09-24 20:30:43.000000000 +0200
+++ wpa_supplicant-0.4.7.new/defconfig	2005-12-26 19:18:14.000000000 +0100
@@ -68,6 +68,9 @@
 # Driver interface for Intel ipw2100/2200 driver
 #CONFIG_DRIVER_IPW=y
 
+# Driver interface for Zydas zd1211 driver
+#CONFIG_DRIVER_ZD1211=y
+
 # Driver interface for generic Linux wireless extensions
 CONFIG_DRIVER_WEXT=y
 
diff -Nur wpa_supplicant-0.4.7/drivers.c wpa_supplicant-0.4.7.new/drivers.c
--- wpa_supplicant-0.4.7/drivers.c	2005-02-20 01:15:54.000000000 +0100
+++ wpa_supplicant-0.4.7.new/drivers.c	2005-12-26 19:19:16.000000000 +0100
@@ -55,6 +55,9 @@
 #ifdef CONFIG_DRIVER_TEST
 extern struct wpa_driver_ops wpa_driver_test_ops; /* driver_test.c */
 #endif /* CONFIG_DRIVER_TEST */
+#ifdef CONFIG_DRIVER_ZD1211
+extern struct wpa_driver_ops wpa_driver_zd1211_ops; /* driver_zd1211.c */
+#endif /* CONFIG_DRIVER_ZD1211 */
 
 
 struct wpa_driver_ops *wpa_supplicant_drivers[] =
@@ -98,5 +101,8 @@
 #ifdef CONFIG_DRIVER_TEST
 	&wpa_driver_test_ops,
 #endif /* CONFIG_DRIVER_TEST */
+#ifdef CONFIG_DRIVER_ZD1211
+	&wpa_driver_zd1211_ops,
+#endif /* CONFIG_DRIVER_ZD1211 */
 	NULL
 };
diff -Nur wpa_supplicant-0.4.7/driver_zd1211.c wpa_supplicant-0.4.7.new/driver_zd1211.c
--- wpa_supplicant-0.4.7/driver_zd1211.c	1970-01-01 01:00:00.000000000 +0100
+++ wpa_supplicant-0.4.7.new/driver_zd1211.c	2005-12-27 16:28:46.000000000 +0100
@@ -0,0 +1,408 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+
+#include "common.h"
+#include "driver.h"
+#include "driver_wext.h"
+#include "eloop.h"
+#include "wireless_copy.h"
+#include "wpa_supplicant.h"
+
+#include "zd1211_common.h"
+
+
+struct wpa_driver_zd1211_data {
+	void *ctx;
+	void *wext; /* private data for driver_wext */
+	char ifname[IFNAMSIZ + 1];
+	int sock;
+};
+
+
+static int zd1211_ioctl(struct wpa_driver_zd1211_data *zd1211_drv, struct zd1211_wlan_param *param, int len, int show_err) {
+	struct iwreq iwr;
+
+	memset(&iwr, 0, sizeof(iwr));
+	strncpy(iwr.ifr_name, zd1211_drv->ifname, IFNAMSIZ);
+	iwr.u.data.pointer = (caddr_t) param;
+	iwr.u.data.length = len;
+
+	if (ioctl(zd1211_drv->sock, ZD_IOCTL_WPA, &iwr) < 0) {
+		int ret;
+
+		ret = errno;
+		if (show_err) 
+			perror("ioctl[ZD_IOCTL_WPA]");
+		return ret;
+	}
+
+	return 0;
+}
+
+
+static int zd1211_set_param(struct wpa_driver_zd1211_data *zd1211_drv, int op, int arg, int show_err) {
+	struct iwreq iwr;
+	int *i, ret = 0;
+
+	memset(&iwr, 0, sizeof(iwr));
+	strncpy(iwr.ifr_name, zd1211_drv->ifname, IFNAMSIZ);
+	i = (int *) iwr.u.name;
+	*i++ = op;
+	*i++ = arg;
+
+	if (ioctl(zd1211_drv->sock, ZD_IOCTL_PARAM, &iwr) < 0) {
+		perror("ioctl[ZD_IOCTL_PARAM]");
+		ret = -1;
+	}
+
+	return ret;
+}
+
+
+static int wpa_driver_zd1211_get_scan_results(void *priv, struct wpa_scan_result *results, size_t max_size) {
+	struct wpa_driver_zd1211_data *zd1211_drv;
+
+	zd1211_drv = priv;
+	return wpa_driver_wext_get_scan_results(zd1211_drv->wext, results, max_size);
+}
+
+
+static int wpa_driver_zd1211_get_bssid(void *priv, u8 *bssid) {
+	struct wpa_driver_zd1211_data *zd1211_drv;
+
+	zd1211_drv = priv;
+	return wpa_driver_wext_get_bssid(zd1211_drv->wext, bssid);
+}
+
+
+static int wpa_driver_zd1211_get_ssid(void *priv, u8 *ssid) {
+	struct wpa_driver_zd1211_data *zd1211_drv;
+
+	zd1211_drv = priv;
+	return wpa_driver_wext_get_ssid(zd1211_drv->wext, ssid);
+}
+
+
+static int wpa_driver_zd1211_set_auth_alg(void *priv, int auth_alg) {
+	struct wpa_driver_zd1211_data *zd1211_drv = priv;
+	int algs = 0;
+
+	if (auth_alg & AUTH_ALG_OPEN_SYSTEM)
+		algs = 0;
+	if (auth_alg & AUTH_ALG_SHARED_KEY)
+		algs = 1;
+
+	return zd1211_set_param(zd1211_drv, ZD_PARAM_AUTH_ALGS, algs, 1);
+}
+
+
+static int wpa_driver_zd1211_set_countermeasures(void *priv, int enabled) {
+	struct wpa_driver_zd1211_data *zd1211_drv = priv;
+
+	/* Enable the countermeasure */
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
+	return zd1211_set_param(zd1211_drv, ZD_PARAM_COUNTERMEASURES, enabled, 1);
+}
+
+
+static int wpa_driver_zd1211_set_drop_unencrypted(void *priv, int enabled) {
+	struct wpa_driver_zd1211_data *zd1211_drv = priv;
+
+	/* Enable the countermeasure */
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
+	return zd1211_set_param(zd1211_drv, ZD_PARAM_DROPUNENCRYPTED, enabled, 1);
+}
+
+
+static int wpa_driver_zd1211_set_key(void *priv, wpa_alg alg,
+					const u8 *addr, int key_idx,
+					int set_tx, const u8 *seq, size_t seq_len,
+					const u8 *key, size_t key_len) {
+	struct wpa_driver_zd1211_data *zd1211_drv = priv;
+	struct zd1211_wlan_param *param;
+	u8 *buf;
+	size_t blen;
+	int ret = 0;
+	char *alg_name;
+
+	switch (alg) {
+		case WPA_ALG_NONE:
+			alg_name = "NONE";
+			break;
+		case WPA_ALG_WEP:
+			alg_name = "WEP";
+			break;
+		case WPA_ALG_TKIP:
+			alg_name = "TKIP";
+			break;
+		case WPA_ALG_CCMP:
+			alg_name = "CCMP";
+			break;
+		default:
+			return -1;
+	}
+
+	wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%d "
+		   "key_len=%d", __FUNCTION__, alg_name, key_idx, set_tx,
+		   seq_len, key_len);
+
+	if (seq_len > 8)
+		return -2;
+
+	blen = sizeof(*param) + key_len;
+	buf = malloc(blen);
+	if (buf == NULL)
+		return -1;
+	memset(buf, 0, blen);
+
+	param = (struct zd1211_wlan_param *) buf;
+	param->cmd = ZD_CMD_SET_ENCRYPT_KEY;
+	/* TODO: In theory, STA in client mode can use five keys; four default
+	 * keys for receiving (with keyidx 0..3) and one individual key for
+	 * both transmitting and receiving (keyidx 0) _unicast_ packets. Now,
+	 * keyidx 0 is reserved for this unicast use and default keys can only
+	 * use keyidx 1..3 (i.e., default key with keyidx 0 is not supported).
+	 * This should be fine for more or less all cases, but for completeness
+	 * sake, the driver could be enhanced to support the missing key. */
+#if 0
+	if (addr == NULL)
+		memset(param->sta_addr, 0xff, ETH_ALEN);
+	else
+		memcpy(param->sta_addr, addr, ETH_ALEN);
+#else
+	memset(param->sta_addr, 0xff, ETH_ALEN);
+#endif
+	strncpy(param->u.crypt.alg, alg_name, ZD_CRYPT_ALG_NAME_LEN);
+	param->u.crypt.flags = set_tx ? ZD_FLAG_SET_TX_KEY : 0;
+	param->u.crypt.idx = key_idx;
+	memcpy(param->u.crypt.seq, seq, seq_len);
+	param->u.crypt.key_len = key_len;
+	memcpy((u8 *) param->u.crypt.key, key, key_len);
+
+	/* Dump key context */
+	if(alg == WPA_ALG_TKIP) {
+		int ii;
+
+		wpa_printf(MSG_DEBUG, "Key Context:");
+		for(ii = 0; ii < key_len; ) {
+			printf("0x%02x ", key[ii]);
+
+			if((++ii % 16) == 0)
+				printf("\n");
+		}
+
+		printf("\n");
+	}
+
+	if (zd1211_ioctl(zd1211_drv, param, blen, 1)) {
+		wpa_printf(MSG_WARNING, "Failed to set encryption.");
+		//show_set_key_error(param);
+		ret = -1;
+	}
+	free(buf);
+
+	return ret;
+}
+
+
+static int wpa_driver_zd1211_set_wpa_ie(struct wpa_driver_zd1211_data *zd1211_drv, const u8 *wpa_ie, size_t wpa_ie_len) {
+	int res;
+	struct zd1211_wlan_param *param;
+	size_t blen = ZD_GENERIC_ELEMENT_HDR_LEN + wpa_ie_len;
+
+	if (blen < sizeof(*param))
+		blen = sizeof(*param);
+
+	param = (struct zd1211_wlan_param *) malloc(blen);
+	if (param == NULL)
+		return -1;
+
+	memset(param, 0, blen);
+	param->cmd = ZD_CMD_SET_GENERIC_ELEMENT;
+	param->u.generic_elem.len = wpa_ie_len;
+	memcpy(param->u.generic_elem.data, wpa_ie, wpa_ie_len);
+	res = zd1211_ioctl(zd1211_drv, param, blen, 1);
+
+	free(param);
+
+	return res;
+}
+
+
+static int wpa_driver_zd1211_set_wpa(void *priv, int enabled) {
+	struct wpa_driver_zd1211_data *zd1211_drv = priv;
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
+
+	if (!enabled && wpa_driver_zd1211_set_wpa_ie(zd1211_drv, NULL, 0) < 0)
+		ret = -1;
+	if (zd1211_set_param(zd1211_drv, ZD_PARAM_ROAMING, enabled, 1) < 0)
+		ret = -1;
+	if (zd1211_set_param(zd1211_drv, ZD_PARAM_PRIVACY, enabled, 1) < 0)
+		ret = -1;
+	if (zd1211_set_param(zd1211_drv, ZD_PARAM_WPA, enabled, 1) < 0)
+		ret = -1;
+
+	return ret;
+}
+
+
+static int wpa_driver_zd1211_associate(void *priv, struct wpa_driver_associate_params *params) {
+	struct wpa_driver_zd1211_data *zd1211_drv = priv;
+	int ret = 0;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	/* Because there might be the case, two or more APs with the same
+	 * SSID, in order to identify them, we need to set the BSSID. */
+	if (wpa_driver_zd1211_set_wpa_ie(zd1211_drv, params->wpa_ie, params->wpa_ie_len) < 0)
+		ret = -1;
+	if (wpa_driver_wext_set_ssid(zd1211_drv->wext, params->ssid, params->ssid_len) < 0)
+		ret = -1;
+
+	// Mark for test
+	//if (wpa_driver_wext_set_bssid(ifname, bssid) < 0)
+	//	ret = -1;
+
+#if 0
+	/* Allow unencrypted EAPOL messages even if pairwise keys are set when
+	 * not using WPA. IEEE 802.1X specifies that these frames are not
+	 * encrypted, but WPA encrypts them when pairwise keys are in use. */
+	if (key_mgmt_suite == KEY_MGMT_802_1X ||
+	    key_mgmt_suite == KEY_MGMT_PSK)
+		allow_unencrypted_eapol = 0;
+	else
+		allow_unencrypted_eapol = 1;
+	
+	if (prism2param(ifname, PRISM2_PARAM_IEEE_802_1X,
+			allow_unencrypted_eapol) < 0) {
+		wpa_printf(MSG_DEBUG, "hostap: Failed to configure "
+			   "ieee_802_1x param");
+		/* Ignore this error.. driver_hostap.c can also be used with
+		 * other drivers that do not support this prism2_param. */
+	}
+#endif
+
+	return ret;
+}
+
+
+static int wpa_driver_zd1211_deauthenticate(void *priv, const u8 *addr, int reason_code) {
+	struct zd1211_wlan_param *param;
+	struct wpa_driver_zd1211_data *zd1211_drv = priv;
+	int blen;
+        int ret;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	blen = sizeof(*param);
+	param = (struct zd1211_wlan_param *) malloc(blen);
+	if (param == NULL)
+		return -1;
+
+	memset(param, 0, blen);
+	param->cmd = ZD_CMD_SET_MLME;
+	param->u.mlme.cmd = MLME_STA_DEAUTH;
+	param->u.mlme.reason_code = reason_code;
+	memcpy(param->sta_addr, addr, ETH_ALEN);
+	ret = zd1211_ioctl(zd1211_drv, param, blen, 1);
+        usleep(100000);
+        free(param);
+        return ret;
+}
+
+
+static int wpa_driver_zd1211_disassociate(void *priv, const u8 *addr, int reason_code) {
+	struct zd1211_wlan_param *param;
+	struct wpa_driver_zd1211_data *zd1211_drv = priv;
+	int blen;
+        int ret;
+
+	wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
+
+	blen = sizeof(*param);
+	param = (struct zd1211_wlan_param *) malloc(blen);
+	if (param == NULL)
+		return -1;
+
+	memset(param, 0, blen);
+	param->cmd = ZD_CMD_SET_MLME;
+	param->u.mlme.cmd = MLME_STA_DISASSOC;
+	param->u.mlme.reason_code = reason_code;
+	memcpy(param->sta_addr, addr, ETH_ALEN);
+	ret = zd1211_ioctl(zd1211_drv, param, blen, 1);
+        free(param);
+        return ret;
+}
+
+
+static int wpa_driver_zd1211_scan(void *priv, const u8 *ssid, size_t ssid_len) {
+	struct wpa_driver_zd1211_data *zd1211_drv;
+
+	zd1211_drv = priv;
+	return wpa_driver_wext_scan(zd1211_drv->wext, ssid, ssid_len);
+}
+
+
+static void * wpa_driver_zd1211_init(void *ctx, const char *ifname) {
+	struct wpa_driver_zd1211_data *zd1211_drv;
+
+	zd1211_drv = malloc(sizeof(*zd1211_drv));
+	if (zd1211_drv == NULL)
+		return NULL;
+	memset(zd1211_drv, 0, sizeof(*zd1211_drv));
+
+	zd1211_drv->wext = wpa_driver_wext_init(ctx, ifname);
+	if (zd1211_drv->wext == NULL)
+		goto exit_no_wext;
+
+	zd1211_drv->ctx = ctx;
+	strncpy(zd1211_drv->ifname, ifname, sizeof(zd1211_drv->ifname));
+
+	zd1211_drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
+	if (zd1211_drv->sock < 0)
+		goto exit_no_socket;
+
+	return zd1211_drv;
+
+exit_no_socket:
+	wpa_driver_wext_deinit(zd1211_drv->wext);
+exit_no_wext:
+	free(zd1211_drv);
+	return NULL;
+}
+
+
+static void wpa_driver_zd1211_deinit(void *ctx) {
+	struct wpa_driver_zd1211_data *zd1211_drv = ctx;
+
+	wpa_driver_wext_deinit(zd1211_drv->wext);
+	close(zd1211_drv->sock);
+	free(zd1211_drv);
+}
+
+
+struct wpa_driver_ops wpa_driver_zd1211_ops = {
+	.name = "zd1211",
+	.desc = "Zydas zd1211 drivers",
+	.init			= wpa_driver_zd1211_init,
+	.deinit			= wpa_driver_zd1211_deinit,
+	.associate		= wpa_driver_zd1211_associate,
+	.deauthenticate		= wpa_driver_zd1211_deauthenticate,
+	.disassociate		= wpa_driver_zd1211_disassociate,
+	.get_bssid		= wpa_driver_zd1211_get_bssid,
+	.get_scan_results	= wpa_driver_zd1211_get_scan_results,
+	.get_ssid		= wpa_driver_zd1211_get_ssid,
+//	.get_capa		= wpa_driver_zd1211_get_capa,
+	.scan			= wpa_driver_zd1211_scan,
+	.set_auth_alg		= wpa_driver_zd1211_set_auth_alg,
+	.set_countermeasures	= wpa_driver_zd1211_set_countermeasures,
+	.set_drop_unencrypted	= wpa_driver_zd1211_set_drop_unencrypted,
+	.set_key		= wpa_driver_zd1211_set_key,
+	.set_wpa		= wpa_driver_zd1211_set_wpa,
+};
diff -Nur wpa_supplicant-0.4.7/Makefile wpa_supplicant-0.4.7.new/Makefile
--- wpa_supplicant-0.4.7/Makefile	2005-11-21 02:42:12.000000000 +0100
+++ wpa_supplicant-0.4.7.new/Makefile	2005-12-26 19:17:14.000000000 +0100
@@ -107,6 +107,12 @@
 CONFIG_WIRELESS_EXTENSION=y
 endif
 
+ifdef CONFIG_DRIVER_ZD1211
+CFLAGS += -DCONFIG_DRIVER_ZD1211
+OBJS_d += driver_zd1211.o
+CONFIG_WIRELESS_EXTENSION=y
+endif
+
 ifdef CONFIG_DRIVER_BSD
 CFLAGS += -DCONFIG_DRIVER_BSD
 OBJS_d += driver_bsd.o
diff -Nur wpa_supplicant-0.4.7/zd1211_common.h wpa_supplicant-0.4.7.new/zd1211_common.h
--- wpa_supplicant-0.4.7/zd1211_common.h	1970-01-01 01:00:00.000000000 +0100
+++ wpa_supplicant-0.4.7.new/zd1211_common.h	2005-12-27 16:00:36.000000000 +0100
@@ -0,0 +1,68 @@
+#ifndef ZD1211_COMMON_H
+#define ZD1211_COMMON_H
+
+
+#define ZD_IOCTL_WPA			(SIOCDEVPRIVATE + 1)
+#define ZD_IOCTL_PARAM			(SIOCDEVPRIVATE + 2)
+
+#define ZD_PARAM_ROAMING		0x0001
+#define ZD_PARAM_PRIVACY		0x0002
+#define ZD_PARAM_WPA			0x0003
+#define ZD_PARAM_COUNTERMEASURES	0x0004
+#define ZD_PARAM_DROPUNENCRYPTED	0x0005
+#define ZD_PARAM_AUTH_ALGS		0x0006
+
+#define ZD_CMD_SET_ENCRYPT_KEY		0x0001
+#define ZD_CMD_SET_MLME			0x0002
+//#define ZD_CMD_SCAN_REQ			0x0003
+#define ZD_CMD_SET_GENERIC_ELEMENT	0x0004
+
+#define ZD_FLAG_SET_TX_KEY              0x0001
+
+#define ZD_GENERIC_ELEMENT_HDR_LEN \
+((int) (&((struct zd1211_wlan_param *) 0)->u.generic_elem.data))
+
+#define ZD_CRYPT_ALG_NAME_LEN		16
+#define ZD_MAX_KEY_SIZE			32
+#define ZD_MAX_GENERIC_SIZE		64
+
+/* structure definition */
+
+struct zd1211_wlan_param {
+	u32 cmd;
+	u8 sta_addr[ETH_ALEN];
+	union {
+		struct {
+			u8 alg[ZD_CRYPT_ALG_NAME_LEN];
+			u32 flags;
+			u32 err;
+			u8 idx;
+			u8 seq[8]; /* sequence counter (set: RX, get: TX) */
+			u16 key_len;
+			u8 key[ZD_MAX_KEY_SIZE];
+		} crypt;
+/*
+		struct {
+			u32 flags_and;
+			u32 flags_or;
+		} set_flags_sta;
+*/
+		struct {
+			u8 len;
+			u8 data[ZD_MAX_GENERIC_SIZE];
+		} generic_elem;
+		struct {
+#define MLME_STA_DEAUTH 0
+#define MLME_STA_DISASSOC 1
+			u16 cmd;
+			u16 reason_code;
+		} mlme;
+		struct {
+			u8 ssid_len;
+			u8 ssid[32];
+		} scan_req;
+	} u;
+};
+
+
+#endif