PS3: gelic: Add wireless support for PS3

Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp>
Acked-by: Dan Williams <dcbw@redhat.com>
Acked-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 2753 insertions, 0 deletions

diff --git a/drivers/net/ps3_gelic_wireless.c b/drivers/net/ps3_gelic_wireless.c
new file mode 100644
index 000000000000..750d2a99cb4f
--- /dev/null
+++ b/drivers/net/ps3_gelic_wireless.c
@@ -0,0 +1,2753 @@
+/*
+ *  PS3 gelic network driver.
+ *
+ * Copyright (C) 2007 Sony Computer Entertainment Inc.
+ * Copyright 2007 Sony Corporation
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/if_vlan.h>
+
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/wireless.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <net/iw_handler.h>
+#include <net/ieee80211.h>
+
+#include <linux/dma-mapping.h>
+#include <net/checksum.h>
+#include <asm/firmware.h>
+#include <asm/ps3.h>
+#include <asm/lv1call.h>
+
+#include "ps3_gelic_net.h"
+#include "ps3_gelic_wireless.h"
+
+
+static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan);
+static int gelic_wl_try_associate(struct net_device *netdev);
+
+/*
+ * tables
+ */
+
+/* 802.11b/g channel to freq in MHz */
+static const int channel_freq[] = {
+	2412, 2417, 2422, 2427, 2432,
+	2437, 2442, 2447, 2452, 2457,
+	2462, 2467, 2472, 2484
+};
+#define NUM_CHANNELS ARRAY_SIZE(channel_freq)
+
+/* in bps */
+static const int bitrate_list[] = {
+	  1000000,
+	  2000000,
+	  5500000,
+	 11000000,
+	  6000000,
+	  9000000,
+	 12000000,
+	 18000000,
+	 24000000,
+	 36000000,
+	 48000000,
+	 54000000
+};
+#define NUM_BITRATES ARRAY_SIZE(bitrate_list)
+
+/*
+ * wpa2 support requires the hypervisor version 2.0 or later
+ */
+static inline int wpa2_capable(void)
+{
+	return (0 <= ps3_compare_firmware_version(2, 0, 0));
+}
+
+static inline int precise_ie(void)
+{
+	return 0; /* FIXME */
+}
+/*
+ * post_eurus_cmd helpers
+ */
+struct eurus_cmd_arg_info {
+	int pre_arg; /* command requres arg1, arg2 at POST COMMAND */
+	int post_arg; /* command requires arg1, arg2 at GET_RESULT */
+};
+
+static const struct eurus_cmd_arg_info cmd_info[GELIC_EURUS_CMD_MAX_INDEX] = {
+	[GELIC_EURUS_CMD_SET_COMMON_CFG] = { .pre_arg = 1},
+	[GELIC_EURUS_CMD_SET_WEP_CFG]    = { .pre_arg = 1},
+	[GELIC_EURUS_CMD_SET_WPA_CFG]    = { .pre_arg = 1},
+	[GELIC_EURUS_CMD_GET_COMMON_CFG] = { .post_arg = 1},
+	[GELIC_EURUS_CMD_GET_WEP_CFG]    = { .post_arg = 1},
+	[GELIC_EURUS_CMD_GET_WPA_CFG]    = { .post_arg = 1},
+	[GELIC_EURUS_CMD_GET_RSSI_CFG]   = { .post_arg = 1},
+	[GELIC_EURUS_CMD_GET_SCAN]       = { .post_arg = 1},
+};
+
+#ifdef DEBUG
+static const char *cmdstr(enum gelic_eurus_command ix)
+{
+	switch (ix) {
+	case GELIC_EURUS_CMD_ASSOC:
+		return "ASSOC";
+	case GELIC_EURUS_CMD_DISASSOC:
+		return "DISASSOC";
+	case GELIC_EURUS_CMD_START_SCAN:
+		return "SCAN";
+	case GELIC_EURUS_CMD_GET_SCAN:
+		return "GET SCAN";
+	case GELIC_EURUS_CMD_SET_COMMON_CFG:
+		return "SET_COMMON_CFG";
+	case GELIC_EURUS_CMD_GET_COMMON_CFG:
+		return "GET_COMMON_CFG";
+	case GELIC_EURUS_CMD_SET_WEP_CFG:
+		return "SET_WEP_CFG";
+	case GELIC_EURUS_CMD_GET_WEP_CFG:
+		return "GET_WEP_CFG";
+	case GELIC_EURUS_CMD_SET_WPA_CFG:
+		return "SET_WPA_CFG";
+	case GELIC_EURUS_CMD_GET_WPA_CFG:
+		return "GET_WPA_CFG";
+	case GELIC_EURUS_CMD_GET_RSSI_CFG:
+		return "GET_RSSI";
+	default:
+		break;
+	}
+	return "";
+};
+#else
+static inline const char *cmdstr(enum gelic_eurus_command ix)
+{
+	return "";
+}
+#endif
+
+/* synchronously do eurus commands */
+static void gelic_eurus_sync_cmd_worker(struct work_struct *work)
+{
+	struct gelic_eurus_cmd *cmd;
+	struct gelic_card *card;
+	struct gelic_wl_info *wl;
+
+	u64 arg1, arg2;
+
+	pr_debug("%s: <-\n", __func__);
+	cmd = container_of(work, struct gelic_eurus_cmd, work);
+	BUG_ON(cmd_info[cmd->cmd].pre_arg &&
+	       cmd_info[cmd->cmd].post_arg);
+	wl = cmd->wl;
+	card = port_to_card(wl_port(wl));
+
+	if (cmd_info[cmd->cmd].pre_arg) {
+		arg1 = ps3_mm_phys_to_lpar(__pa(cmd->buffer));
+		arg2 = cmd->buf_size;
+	} else {
+		arg1 = 0;
+		arg2 = 0;
+	}
+	init_completion(&wl->cmd_done_intr);
+	pr_debug("%s: cmd='%s' start\n", __func__, cmdstr(cmd->cmd));
+	cmd->status = lv1_net_control(bus_id(card), dev_id(card),
+				      GELIC_LV1_POST_WLAN_CMD,
+				      cmd->cmd, arg1, arg2,
+				      &cmd->tag, &cmd->size);
+	if (cmd->status) {
+		complete(&cmd->done);
+		pr_info("%s: cmd issue failed\n", __func__);
+		return;
+	}
+
+	wait_for_completion(&wl->cmd_done_intr);
+
+	if (cmd_info[cmd->cmd].post_arg) {
+		arg1 = ps3_mm_phys_to_lpar(__pa(cmd->buffer));
+		arg2 = cmd->buf_size;
+	} else {
+		arg1 = 0;
+		arg2 = 0;
+	}
+
+	cmd->status = lv1_net_control(bus_id(card), dev_id(card),
+				      GELIC_LV1_GET_WLAN_CMD_RESULT,
+				      cmd->tag, arg1, arg2,
+				      &cmd->cmd_status, &cmd->size);
+#ifdef DEBUG
+	if (cmd->status || cmd->cmd_status) {
+	pr_debug("%s: cmd done tag=%#lx arg1=%#lx, arg2=%#lx\n", __func__,
+		 cmd->tag, arg1, arg2);
+	pr_debug("%s: cmd done status=%#x cmd_status=%#lx size=%#lx\n",
+		 __func__, cmd->status, cmd->cmd_status, cmd->size);
+	}
+#endif
+	complete(&cmd->done);
+	pr_debug("%s: cmd='%s' done\n", __func__, cmdstr(cmd->cmd));
+}
+
+static struct gelic_eurus_cmd *gelic_eurus_sync_cmd(struct gelic_wl_info *wl,
+						    unsigned int eurus_cmd,
+						    void *buffer,
+						    unsigned int buf_size)
+{
+	struct gelic_eurus_cmd *cmd;
+
+	/* allocate cmd */
+	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
+	if (!cmd)
+		return NULL;
+
+	/* initialize members */
+	cmd->cmd = eurus_cmd;
+	cmd->buffer = buffer;
+	cmd->buf_size = buf_size;
+	cmd->wl = wl;
+	INIT_WORK(&cmd->work, gelic_eurus_sync_cmd_worker);
+	init_completion(&cmd->done);
+	queue_work(wl->eurus_cmd_queue, &cmd->work);
+
+	/* wait for command completion */
+	wait_for_completion(&cmd->done);
+
+	return cmd;
+}
+
+static u32 gelic_wl_get_link(struct net_device *netdev)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
+	u32 ret;
+
+	pr_debug("%s: <-\n", __func__);
+	down(&wl->assoc_stat_lock);
+	if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
+		ret = 1;
+	else
+		ret = 0;
+	up(&wl->assoc_stat_lock);
+	pr_debug("%s: ->\n", __func__);
+	return ret;
+}
+
+static void gelic_wl_send_iwap_event(struct gelic_wl_info *wl, u8 *bssid)
+{
+	union iwreq_data data;
+
+	memset(&data, 0, sizeof(data));
+	if (bssid)
+		memcpy(data.ap_addr.sa_data, bssid, ETH_ALEN);
+	data.ap_addr.sa_family = ARPHRD_ETHER;
+	wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWAP,
+			    &data, NULL);
+}
+
+/*
+ * wireless extension handlers and helpers
+ */
+
+/* SIOGIWNAME */
+static int gelic_wl_get_name(struct net_device *dev,
+			     struct iw_request_info *info,
+			     union iwreq_data *iwreq, char *extra)
+{
+	strcpy(iwreq->name, "IEEE 802.11bg");
+	return 0;
+}
+
+static void gelic_wl_get_ch_info(struct gelic_wl_info *wl)
+{
+	struct gelic_card *card = port_to_card(wl_port(wl));
+	u64 ch_info_raw, tmp;
+	int status;
+
+	if (!test_and_set_bit(GELIC_WL_STAT_CH_INFO, &wl->stat)) {
+		status = lv1_net_control(bus_id(card), dev_id(card),
+					 GELIC_LV1_GET_CHANNEL, 0, 0, 0,
+					 &ch_info_raw,
+					 &tmp);
+		/* some fw versions may return error */
+		if (status) {
+			if (status != LV1_NO_ENTRY)
+				pr_info("%s: available ch unknown\n", __func__);
+			wl->ch_info = 0x07ff;/* 11 ch */
+		} else
+			/* 16 bits of MSB has available channels */
+			wl->ch_info = ch_info_raw >> 48;
+	}
+	return;
+}
+
+/* SIOGIWRANGE */
+static int gelic_wl_get_range(struct net_device *netdev,
+			      struct iw_request_info *info,
+			      union iwreq_data *iwreq, char *extra)
+{
+	struct iw_point *point = &iwreq->data;
+	struct iw_range *range = (struct iw_range *)extra;
+	struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
+	unsigned int i, chs;
+
+	pr_debug("%s: <-\n", __func__);
+	point->length = sizeof(struct iw_range);
+	memset(range, 0, sizeof(struct iw_range));
+
+	range->we_version_compiled = WIRELESS_EXT;
+	range->we_version_source = 22;
+
+	/* available channels and frequencies */
+	gelic_wl_get_ch_info(wl);
+
+	for (i = 0, chs = 0;
+	     i < NUM_CHANNELS && chs < IW_MAX_FREQUENCIES; i++)
+		if (wl->ch_info & (1 << i)) {
+			range->freq[chs].i = i + 1;
+			range->freq[chs].m = channel_freq[i];
+			range->freq[chs].e = 6;
+			chs++;
+		}
+	range->num_frequency = chs;
+	range->old_num_frequency = chs;
+	range->num_channels = chs;
+	range->old_num_channels = chs;
+
+	/* bitrates */
+	for (i = 0; i < NUM_BITRATES; i++)
+		range->bitrate[i] = bitrate_list[i];
+	range->num_bitrates = i;
+
+	/* signal levels */
+	range->max_qual.qual = 100; /* relative value */
+	range->max_qual.level = 100;
+	range->avg_qual.qual = 50;
+	range->avg_qual.level = 50;
+	range->sensitivity = 0;
+
+	/* Event capability */
+	IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
+	IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
+	IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
+
+	/* encryption capability */
+	range->enc_capa = IW_ENC_CAPA_WPA |
+		IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP;
+	if (wpa2_capable())
+		range->enc_capa |= IW_ENC_CAPA_WPA2;
+	range->encoding_size[0] = 5;	/* 40bit WEP */
+	range->encoding_size[1] = 13;	/* 104bit WEP */
+	range->encoding_size[2] = 32;	/* WPA-PSK */
+	range->num_encoding_sizes = 3;
+	range->max_encoding_tokens = GELIC_WEP_KEYS;
+
+	pr_debug("%s: ->\n", __func__);
+	return 0;
+
+}
+
+/* SIOC{G,S}IWSCAN */
+static int gelic_wl_set_scan(struct net_device *netdev,
+			   struct iw_request_info *info,
+			   union iwreq_data *wrqu, char *extra)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
+
+	return gelic_wl_start_scan(wl, 1);
+}
+
+#define OUI_LEN 3
+static const u8 rsn_oui[OUI_LEN] = { 0x00, 0x0f, 0xac };
+static const u8 wpa_oui[OUI_LEN] = { 0x00, 0x50, 0xf2 };
+
+/*
+ * synthesize WPA/RSN IE data
+ * See WiFi WPA specification and IEEE 802.11-2007 7.3.2.25
+ * for the format
+ */
+static size_t gelic_wl_synthesize_ie(u8 *buf,
+				     struct gelic_eurus_scan_info *scan)
+{
+
+	const u8 *oui_header;
+	u8 *start = buf;
+	int rsn;
+	int ccmp;
+
+	pr_debug("%s: <- sec=%16x\n", __func__, scan->security);
+	switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_MASK) {
+	case GELIC_EURUS_SCAN_SEC_WPA:
+		rsn = 0;
+		break;
+	case GELIC_EURUS_SCAN_SEC_WPA2:
+		rsn = 1;
+		break;
+	default:
+		/* WEP or none.  No IE returned */
+		return 0;
+	}
+
+	switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_WPA_MASK) {
+	case GELIC_EURUS_SCAN_SEC_WPA_TKIP:
+		ccmp = 0;
+		break;
+	case GELIC_EURUS_SCAN_SEC_WPA_AES:
+		ccmp = 1;
+		break;
+	default:
+		if (rsn) {
+			ccmp = 1;
+			pr_info("%s: no cipher info. defaulted to CCMP\n",
+				__func__);
+		} else {
+			ccmp = 0;
+			pr_info("%s: no cipher info. defaulted to TKIP\n",
+				__func__);
+		}
+	}
+
+	if (rsn)
+		oui_header = rsn_oui;
+	else
+		oui_header = wpa_oui;
+
+	/* element id */
+	if (rsn)
+		*buf++ = MFIE_TYPE_RSN;
+	else
+		*buf++ = MFIE_TYPE_GENERIC;
+
+	/* length filed; set later */
+	buf++;
+
+	/* wpa special header */
+	if (!rsn) {
+		memcpy(buf, wpa_oui, OUI_LEN);
+		buf += OUI_LEN;
+		*buf++ = 0x01;
+	}
+
+	/* version */
+	*buf++ = 0x01; /* version 1.0 */
+	*buf++ = 0x00;
+
+	/* group cipher */
+	memcpy(buf, oui_header, OUI_LEN);
+	buf += OUI_LEN;
+
+	if (ccmp)
+		*buf++ = 0x04; /* CCMP */
+	else
+		*buf++ = 0x02; /* TKIP */
+
+	/* pairwise key count always 1 */
+	*buf++ = 0x01;
+	*buf++ = 0x00;
+
+	/* pairwise key suit */
+	memcpy(buf, oui_header, OUI_LEN);
+	buf += OUI_LEN;
+	if (ccmp)
+		*buf++ = 0x04; /* CCMP */
+	else
+		*buf++ = 0x02; /* TKIP */
+
+	/* AKM count is 1 */
+	*buf++ = 0x01;
+	*buf++ = 0x00;
+
+	/* AKM suite is assumed as PSK*/
+	memcpy(buf, oui_header, OUI_LEN);
+	buf += OUI_LEN;
+	*buf++ = 0x02; /* PSK */
+
+	/* RSN capabilities is 0 */
+	*buf++ = 0x00;
+	*buf++ = 0x00;
+
+	/* set length field */
+	start[1] = (buf - start - 2);
+
+	pr_debug("%s: ->\n", __func__);
+	return (buf - start);
+}
+
+struct ie_item {
+	u8 *data;
+	u8 len;
+};
+
+struct ie_info {
+	struct ie_item wpa;
+	struct ie_item rsn;
+};
+
+static void gelic_wl_parse_ie(u8 *data, size_t len,
+			      struct ie_info *ie_info)
+{
+	size_t data_left = len;
+	u8 *pos = data;
+	u8 item_len;
+	u8 item_id;
+
+	pr_debug("%s: data=%p len=%ld \n", __func__,
+		 data, len);
+	memset(ie_info, 0, sizeof(struct ie_info));
+
+	while (0 < data_left) {
+		item_id = *pos++;
+		item_len = *pos++;
+
+		switch (item_id) {
+		case MFIE_TYPE_GENERIC:
+			if (!memcmp(pos, wpa_oui, OUI_LEN) &&
+			    pos[OUI_LEN] == 0x01) {
+				ie_info->wpa.data = pos - 2;
+				ie_info->wpa.len = item_len + 2;
+			}
+			break;
+		case MFIE_TYPE_RSN:
+			ie_info->rsn.data = pos - 2;
+			/* length includes the header */
+			ie_info->rsn.len = item_len + 2;
+			break;
+		default:
+			pr_debug("%s: ignore %#x,%d\n", __func__,
+				 item_id, item_len);
+			break;
+		}
+		pos += item_len;
+		data_left -= item_len + 2;
+	}
+	pr_debug("%s: wpa=%p,%d wpa2=%p,%d\n", __func__,
+		 ie_info->wpa.data, ie_info->wpa.len,
+		 ie_info->rsn.data, ie_info->rsn.len);
+}
+
+
+/*
+ * translate the scan informations from hypervisor to a
+ * independent format
+ */
+static char *gelic_wl_translate_scan(struct net_device *netdev,
+				     char *ev,
+				     char *stop,
+				     struct gelic_wl_scan_info *network)
+{
+	struct iw_event iwe;
+	struct gelic_eurus_scan_info *scan = network->hwinfo;
+	char *tmp;
+	u8 rate;
+	unsigned int i, j, len;
+	u8 buf[MAX_WPA_IE_LEN];
+
+	pr_debug("%s: <-\n", __func__);
+
+	/* first entry should be AP's mac address */
+	iwe.cmd = SIOCGIWAP;
+	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
+	memcpy(iwe.u.ap_addr.sa_data, &scan->bssid[2], ETH_ALEN);
+	ev = iwe_stream_add_event(ev, stop, &iwe, IW_EV_ADDR_LEN);
+
+	/* ESSID */
+	iwe.cmd = SIOCGIWESSID;
+	iwe.u.data.flags = 1;
+	iwe.u.data.length = strnlen(scan->essid, 32);
+	ev = iwe_stream_add_point(ev, stop, &iwe, scan->essid);
+
+	/* FREQUENCY */
+	iwe.cmd = SIOCGIWFREQ;
+	iwe.u.freq.m = be16_to_cpu(scan->channel);
+	iwe.u.freq.e = 0; /* table value in MHz */
+	iwe.u.freq.i = 0;
+	ev = iwe_stream_add_event(ev, stop, &iwe, IW_EV_FREQ_LEN);
+
+	/* RATES */
+	iwe.cmd = SIOCGIWRATE;
+	iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
+	/* to stuff multiple values in one event */
+	tmp = ev + IW_EV_LCP_LEN;
+	/* put them in ascendant order (older is first) */
+	i = 0;
+	j = 0;
+	pr_debug("%s: rates=%d rate=%d\n", __func__,
+		 network->rate_len, network->rate_ext_len);
+	while (i < network->rate_len) {
+		if (j < network->rate_ext_len &&
+		    ((scan->ext_rate[j] & 0x7f) < (scan->rate[i] & 0x7f)))
+		    rate = scan->ext_rate[j++] & 0x7f;
+		else
+		    rate = scan->rate[i++] & 0x7f;
+		iwe.u.bitrate.value = rate * 500000; /* 500kbps unit */
+		tmp = iwe_stream_add_value(ev, tmp, stop, &iwe,
+					   IW_EV_PARAM_LEN);
+	}
+	while (j < network->rate_ext_len) {
+		iwe.u.bitrate.value = (scan->ext_rate[j++] & 0x7f) * 500000;
+		tmp = iwe_stream_add_value(ev, tmp, stop, &iwe,
+					   IW_EV_PARAM_LEN);
+	}
+	/* Check if we added any rate */
+	if (IW_EV_LCP_LEN < (tmp - ev))
+		ev = tmp;
+
+	/* ENCODE */
+	iwe.cmd = SIOCGIWENCODE;
+	if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_PRIVACY)
+		iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
+	else
+		iwe.u.data.flags = IW_ENCODE_DISABLED;
+	iwe.u.data.length = 0;
+	ev = iwe_stream_add_point(ev, stop, &iwe, scan->essid);
+
+	/* MODE */
+	iwe.cmd = SIOCGIWMODE;
+	if (be16_to_cpu(scan->capability) &
+	    (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
+		if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_ESS)
+			iwe.u.mode = IW_MODE_MASTER;
+		else
+			iwe.u.mode = IW_MODE_ADHOC;
+		ev = iwe_stream_add_event(ev, stop, &iwe, IW_EV_UINT_LEN);
+	}
+
+	/* QUAL */
+	iwe.cmd = IWEVQUAL;
+	iwe.u.qual.updated  = IW_QUAL_ALL_UPDATED |
+			IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
+	iwe.u.qual.level = be16_to_cpu(scan->rssi);
+	iwe.u.qual.qual = be16_to_cpu(scan->rssi);
+	iwe.u.qual.noise = 0;
+	ev  = iwe_stream_add_event(ev, stop, &iwe, IW_EV_QUAL_LEN);
+
+	/* RSN */
+	memset(&iwe, 0, sizeof(iwe));
+	if (be16_to_cpu(scan->size) <= sizeof(*scan)) {
+		/* If wpa[2] capable station, synthesize IE and put it */
+		len = gelic_wl_synthesize_ie(buf, scan);
+		if (len) {
+			iwe.cmd = IWEVGENIE;
+			iwe.u.data.length = len;
+			ev = iwe_stream_add_point(ev, stop, &iwe, buf);
+		}
+	} else {
+		/* this scan info has IE data */
+		struct ie_info ie_info;
+		size_t data_len;
+
+		data_len = be16_to_cpu(scan->size) - sizeof(*scan);
+
+		gelic_wl_parse_ie(scan->elements, data_len, &ie_info);
+
+		if (ie_info.wpa.len && (ie_info.wpa.len <= sizeof(buf))) {
+			memcpy(buf, ie_info.wpa.data, ie_info.wpa.len);
+			iwe.cmd = IWEVGENIE;
+			iwe.u.data.length = ie_info.wpa.len;
+			ev = iwe_stream_add_point(ev, stop, &iwe, buf);
+		}
+
+		if (ie_info.rsn.len && (ie_info.rsn.len <= sizeof(buf))) {
+			memset(&iwe, 0, sizeof(iwe));
+			memcpy(buf, ie_info.rsn.data, ie_info.rsn.len);
+			iwe.cmd = IWEVGENIE;
+			iwe.u.data.length = ie_info.rsn.len;
+			ev = iwe_stream_add_point(ev, stop, &iwe, buf);
+		}
+	}
+
+	pr_debug("%s: ->\n", __func__);
+	return ev;
+}
+
+
+static int gelic_wl_get_scan(struct net_device *netdev,
+			     struct iw_request_info *info,
+			     union iwreq_data *wrqu, char *extra)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
+	struct gelic_wl_scan_info *scan_info;
+	char *ev = extra;
+	char *stop = ev + wrqu->data.length;
+	int ret = 0;
+	unsigned long this_time = jiffies;
+
+	pr_debug("%s: <-\n", __func__);
+	if (down_interruptible(&wl->scan_lock))
+		return -EAGAIN;
+
+	switch (wl->scan_stat) {
+	case GELIC_WL_SCAN_STAT_SCANNING:
+		/* If a scan in progress, caller should call me again */
+		ret = -EAGAIN;
+		goto out;
+		break;
+
+	case GELIC_WL_SCAN_STAT_INIT:
+		/* last scan request failed or never issued */
+		ret = -ENODEV;
+		goto out;
+		break;
+	case GELIC_WL_SCAN_STAT_GOT_LIST:
+		/* ok, use current list */
+		break;
+	}
+
+	list_for_each_entry(scan_info, &wl->network_list, list) {
+		if (wl->scan_age == 0 ||
+		    time_after(scan_info->last_scanned + wl->scan_age,
+			       this_time))
+			ev = gelic_wl_translate_scan(netdev, ev, stop,
+						     scan_info);
+		else
+			pr_debug("%s:entry too old\n", __func__);
+
+		if (stop - ev <= IW_EV_ADDR_LEN) {
+			ret = -E2BIG;
+			goto out;
+		}
+	}
+
+	wrqu->data.length = ev - extra;
+	wrqu->data.flags = 0;
+out:
+	up(&wl->scan_lock);
+	pr_debug("%s: -> %d %d\n", __func__, ret, wrqu->data.length);
+	return ret;
+}
+
+#ifdef DEBUG
+static void scan_list_dump(struct gelic_wl_info *wl)
+{
+	struct gelic_wl_scan_info *scan_info;
+	int i;
+	DECLARE_MAC_BUF(mac);
+
+	i = 0;
+	list_for_each_entry(scan_info, &wl->network_list, list) {
+		pr_debug("%s: item %d\n", __func__, i++);
+		pr_debug("valid=%d eurusindex=%d last=%lx\n",
+			 scan_info->valid, scan_info->eurus_index,
+			 scan_info->last_scanned);
+		pr_debug("r_len=%d r_ext_len=%d essid_len=%d\n",
+			 scan_info->rate_len, scan_info->rate_ext_len,
+			 scan_info->essid_len);
+		/* -- */
+		pr_debug("bssid=%s\n",
+			 print_mac(mac, &scan_info->hwinfo->bssid[2]));
+		pr_debug("essid=%s\n", scan_info->hwinfo->essid);
+	}
+}
+#endif
+
+static int gelic_wl_set_auth(struct net_device *netdev,
+			     struct iw_request_info *info,
+			     union iwreq_data *data, char *extra)
+{
+	struct iw_param *param = &data->param;
+	struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
+	unsigned long irqflag;
+	int ret = 0;
+
+	pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
+	spin_lock_irqsave(&wl->lock, irqflag);
+	switch (param->flags & IW_AUTH_INDEX) {
+	case IW_AUTH_WPA_VERSION:
+		if (param->value & IW_AUTH_WPA_VERSION_DISABLED) {
+			pr_debug("%s: NO WPA selected\n", __func__);
+			wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
+			wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
+			wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
+		}
+		if (param->value & IW_AUTH_WPA_VERSION_WPA) {
+			pr_debug("%s: WPA version 1 selected\n", __func__);
+			wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
+			wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
+			wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
+			wl->auth_method = GELIC_EURUS_AUTH_OPEN;
+		}
+		if (param->value & IW_AUTH_WPA_VERSION_WPA2) {
+			/*
+			 * As the hypervisor may not tell the cipher
+			 * information of the AP if it is WPA2,
+			 * you will not decide suitable cipher from
+			 * its beacon.
+			 * You should have knowledge about the AP's
+			 * cipher infomation in other method prior to
+			 * the association.
+			 */
+			if (!precise_ie())
+				pr_info("%s: WPA2 may not work\n", __func__);
+			if (wpa2_capable()) {
+				wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA2;
+				wl->group_cipher_method = GELIC_WL_CIPHER_AES;
+				wl->pairwise_cipher_method =
+					GELIC_WL_CIPHER_AES;
+				wl->auth_method = GELIC_EURUS_AUTH_OPEN;
+			} else
+				ret = -EINVAL;
+		}
+		break;
+
+	case IW_AUTH_CIPHER_PAIRWISE:
+		if (param->value &
+		    (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
+			pr_debug("%s: WEP selected\n", __func__);
+			wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
+		}
+		if (param->value & IW_AUTH_CIPHER_TKIP) {
+			pr_debug("%s: TKIP selected\n", __func__);
+			wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
+		}
+		if (param->value & IW_AUTH_CIPHER_CCMP) {
+			pr_debug("%s: CCMP selected\n", __func__);
+			wl->pairwise_cipher_method = GELIC_WL_CIPHER_AES;
+		}
+		if (param->value & IW_AUTH_CIPHER_NONE) {
+			pr_debug("%s: no auth selected\n", __func__);
+			wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
+		}
+		break;
+	case IW_AUTH_CIPHER_GROUP:
+		if (param->value &
+		    (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
+			pr_debug("%s: WEP selected\n", __func__);
+			wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
+		}
+		if (param->value & IW_AUTH_CIPHER_TKIP) {
+			pr_debug("%s: TKIP selected\n", __func__);
+			wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
+		}
+		if (param->value & IW_AUTH_CIPHER_CCMP) {
+			pr_debug("%s: CCMP selected\n", __func__);
+			wl->group_cipher_method = GELIC_WL_CIPHER_AES;
+		}
+		if (param->value & IW_AUTH_CIPHER_NONE) {
+			pr_debug("%s: no auth selected\n", __func__);
+			wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
+		}
+		break;
+	case IW_AUTH_80211_AUTH_ALG:
+		if (param->value & IW_AUTH_ALG_SHARED_KEY) {
+			pr_debug("%s: shared key specified\n", __func__);
+			wl->auth_method = GELIC_EURUS_AUTH_SHARED;
+		} else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
+			pr_debug("%s: open system specified\n", __func__);
+			wl->auth_method = GELIC_EURUS_AUTH_OPEN;
+		} else
+			ret = -EINVAL;
+		break;
+
+	case IW_AUTH_WPA_ENABLED:
+		if (param->value) {
+			pr_debug("%s: WPA enabled\n", __func__);
+			wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
+		} else {
+			pr_debug("%s: WPA disabled\n", __func__);
+			wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
+		}
+		break;
+
+	case IW_AUTH_KEY_MGMT:
+		if (param->value & IW_AUTH_KEY_MGMT_PSK)
+			break;
+		/* intentionally fall through */
+	default:
+		ret = -EOPNOTSUPP;
+		break;
+	};
+
+	if (!ret)
+		set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
+
+	spin_unlock_irqrestore(&wl->lock, irqflag);
+	pr_debug("%s: -> %d\n", __func__, ret);
+	return ret;
+}
+
+static int gelic_wl_get_auth(struct net_device *netdev,
+			     struct iw_request_info *info,
+			     union iwreq_data *iwreq, char *extra)
+{
+	struct iw_param *param = &iwreq->param;
+	struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
+	unsigned long irqflag;
+	int ret = 0;
+
+	pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
+	spin_lock_irqsave(&wl->lock, irqflag);
+	switch (param->flags & IW_AUTH_INDEX) {
+	case IW_AUTH_WPA_VERSION:
+		switch (wl->wpa_level) {
+		case GELIC_WL_WPA_LEVEL_WPA:
+			param->value |= IW_AUTH_WPA_VERSION_WPA;
+			break;
+		case GELIC_WL_WPA_LEVEL_WPA2:
+			param->value |= IW_AUTH_WPA_VERSION_WPA2;
+			break;
+		default:
+			param->value |= IW_AUTH_WPA_VERSION_DISABLED;
+		}
+		break;
+
+	case IW_AUTH_80211_AUTH_ALG:
+		if (wl->auth_method == GELIC_EURUS_AUTH_SHARED)
+			param->value = IW_AUTH_ALG_SHARED_KEY;
+		else if (wl->auth_method == GELIC_EURUS_AUTH_OPEN)
+			param->value = IW_AUTH_ALG_OPEN_SYSTEM;
+		break;
+
+	case IW_AUTH_WPA_ENABLED:
+		switch (wl->wpa_level) {
+		case GELIC_WL_WPA_LEVEL_WPA:
+		case GELIC_WL_WPA_LEVEL_WPA2:
+			param->value = 1;
+			break;
+		default:
+			param->value = 0;
+			break;
+		}
+		break;
+	default:
+		ret = -EOPNOTSUPP;
+	}
+
+	spin_unlock_irqrestore(&wl->lock, irqflag);
+	pr_debug("%s: -> %d\n", __func__, ret);
+	return ret;
+}
+
+/* SIOC{S,G}IWESSID */
+static int gelic_wl_set_essid(struct net_device *netdev,
+			      struct iw_request_info *info,
+			      union iwreq_data *data, char *extra)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
+	unsigned long irqflag;
+
+	pr_debug("%s: <- l=%d f=%d\n", __func__,
+		 data->essid.length, data->essid.flags);
+	if (IW_ESSID_MAX_SIZE < data->essid.length)
+		return -EINVAL;
+
+	spin_lock_irqsave(&wl->lock, irqflag);
+	if (data->essid.flags) {
+		wl->essid_len = data->essid.length;
+		memcpy(wl->essid, extra, wl->essid_len);
+		pr_debug("%s: essid = '%s'\n", __func__, extra);
+		set_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
+	} else {
+		pr_debug("%s: ESSID any \n", __func__);
+		clear_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
+	}
+	set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
+	spin_unlock_irqrestore(&wl->lock, irqflag);
+
+
+	gelic_wl_try_associate(netdev); /* FIXME */
+	pr_debug("%s: -> \n", __func__);
+	return 0;
+}
+
+static int gelic_wl_get_essid(struct net_device *netdev,
+			      struct iw_request_info *info,
+			      union iwreq_data *data, char *extra)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
+	unsigned long irqflag;
+
+	pr_debug("%s: <- \n", __func__);
+	down(&wl->assoc_stat_lock);
+	spin_lock_irqsave(&wl->lock, irqflag);
+	if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat) ||
+	    wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
+		memcpy(extra, wl->essid, wl->essid_len);
+		data->essid.length = wl->essid_len;
+		data->essid.flags = 1;
+	} else
+		data->essid.flags = 0;
+
+	up(&wl->assoc_stat_lock);
+	spin_unlock_irqrestore(&wl->lock, irqflag);
+	pr_debug("%s: -> len=%d \n", __func__, data->essid.length);
+
+	return 0;
+}
+
+/* SIO{S,G}IWENCODE */
+static int gelic_wl_set_encode(struct net_device *netdev,
+			       struct iw_request_info *info,
+			       union iwreq_data *data, char *extra)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
+	struct iw_point *enc = &data->encoding;
+	__u16 flags;
+	unsigned int irqflag;
+	int key_index, index_specified;
+	int ret = 0;
+
+	pr_debug("%s: <- \n", __func__);
+	flags = enc->flags & IW_ENCODE_FLAGS;
+	key_index = enc->flags & IW_ENCODE_INDEX;
+
+	pr_debug("%s: key_index = %d\n", __func__, key_index);
+	pr_debug("%s: key_len = %d\n", __func__, enc->length);
+	pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
+
+	if (GELIC_WEP_KEYS < key_index)
+		return -EINVAL;
+
+	spin_lock_irqsave(&wl->lock, irqflag);
+	if (key_index) {
+		index_specified = 1;
+		key_index--;
+	} else {
+		index_specified = 0;
+		key_index = wl->current_key;
+	}
+
+	if (flags & IW_ENCODE_NOKEY) {
+		/* if just IW_ENCODE_NOKEY, change current key index */
+		if (!flags && index_specified) {
+			wl->current_key = key_index;
+			goto done;
+		}
+
+		if (flags & IW_ENCODE_DISABLED) {
+			if (!index_specified) {
+				/* disable encryption */
+				wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
+				wl->pairwise_cipher_method =
+					GELIC_WL_CIPHER_NONE;
+				/* invalidate all key */
+				wl->key_enabled = 0;
+			} else
+				clear_bit(key_index, &wl->key_enabled);
+		}
+
+		if (flags & IW_ENCODE_OPEN)
+			wl->auth_method = GELIC_EURUS_AUTH_OPEN;
+		if (flags & IW_ENCODE_RESTRICTED) {
+			pr_info("%s: shared key mode enabled\n", __func__);
+			wl->auth_method = GELIC_EURUS_AUTH_SHARED;
+		}
+	} else {
+		if (IW_ENCODING_TOKEN_MAX < enc->length) {
+			ret = -EINVAL;
+			goto done;
+		}
+		wl->key_len[key_index] = enc->length;
+		memcpy(wl->key[key_index], extra, enc->length);
+		set_bit(key_index, &wl->key_enabled);
+		wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
+		wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
+	}
+	set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
+done:
+	spin_unlock_irqrestore(&wl->lock, irqflag);
+	pr_debug("%s: -> \n", __func__);
+	return ret;
+}
+
+static int gelic_wl_get_encode(struct net_device *netdev,
+			       struct iw_request_info *info,
+			       union iwreq_data *data, char *extra)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
+	struct iw_point *enc = &data->encoding;
+	unsigned int irqflag;
+	unsigned int key_index, index_specified;
+	int ret = 0;
+
+	pr_debug("%s: <- \n", __func__);
+	key_index = enc->flags & IW_ENCODE_INDEX;
+	pr_debug("%s: flag=%#x point=%p len=%d extra=%p\n", __func__,
+		 enc->flags, enc->pointer, enc->length, extra);
+	if (GELIC_WEP_KEYS < key_index)
+		return -EINVAL;
+
+	spin_lock_irqsave(&wl->lock, irqflag);
+	if (key_index) {
+		index_specified = 1;
+		key_index--;
+	} else {
+		index_specified = 0;
+		key_index = wl->current_key;
+	}
+
+	if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
+		switch (wl->auth_method) {
+		case GELIC_EURUS_AUTH_OPEN:
+			enc->flags = IW_ENCODE_OPEN;
+			break;
+		case GELIC_EURUS_AUTH_SHARED:
+			enc->flags = IW_ENCODE_RESTRICTED;
+			break;
+		}
+	} else
+		enc->flags = IW_ENCODE_DISABLED;
+
+	if (test_bit(key_index, &wl->key_enabled)) {
+		if (enc->length < wl->key_len[key_index]) {
+			ret = -EINVAL;
+			goto done;
+		}
+		enc->length = wl->key_len[key_index];
+		memcpy(extra, wl->key[key_index], wl->key_len[key_index]);
+	} else {
+		enc->length = 0;
+		enc->flags |= IW_ENCODE_NOKEY;
+	}
+	enc->flags |= key_index + 1;
+	pr_debug("%s: -> flag=%x len=%d\n", __func__,
+		 enc->flags, enc->length);
+
+done:
+	spin_unlock_irqrestore(&wl->lock, irqflag);
+	return ret;
+}
+
+/* SIOC{S,G}IWAP */
+static int gelic_wl_set_ap(struct net_device *netdev,
+			   struct iw_request_info *info,
+			   union iwreq_data *data, char *extra)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
+	unsigned long irqflag;
+
+	pr_debug("%s: <-\n", __func__);
+	if (data->ap_addr.sa_family != ARPHRD_ETHER)
+		return -EINVAL;
+
+	spin_lock_irqsave(&wl->lock, irqflag);
+	if (is_valid_ether_addr(data->ap_addr.sa_data)) {
+		memcpy(wl->bssid, data->ap_addr.sa_data,
+		       ETH_ALEN);
+		set_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
+		set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
+		pr_debug("%s: bss=%02x:%02x:%02x:%02x:%02x:%02x\n",
+			 __func__,
+			 wl->bssid[0], wl->bssid[1],
+			 wl->bssid[2], wl->bssid[3],
+			 wl->bssid[4], wl->bssid[5]);
+	} else {
+		pr_debug("%s: clear bssid\n", __func__);
+		clear_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
+		memset(wl->bssid, 0, ETH_ALEN);
+	}
+	spin_unlock_irqrestore(&wl->lock, irqflag);
+	pr_debug("%s: ->\n", __func__);
+	return 0;
+}
+
+static int gelic_wl_get_ap(struct net_device *netdev,
+			   struct iw_request_info *info,
+			   union iwreq_data *data, char *extra)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
+	unsigned long irqflag;
+
+	pr_debug("%s: <-\n", __func__);
+	down(&wl->assoc_stat_lock);
+	spin_lock_irqsave(&wl->lock, irqflag);
+	if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
+		data->ap_addr.sa_family = ARPHRD_ETHER;
+		memcpy(data->ap_addr.sa_data, wl->active_bssid,
+		       ETH_ALEN);
+	} else
+		memset(data->ap_addr.sa_data, 0, ETH_ALEN);
+
+	spin_unlock_irqrestore(&wl->lock, irqflag);
+	up(&wl->assoc_stat_lock);
+	pr_debug("%s: ->\n", __func__);
+	return 0;
+}
+
+/* SIOC{S,G}IWENCODEEXT */
+static int gelic_wl_set_encodeext(struct net_device *netdev,
+				  struct iw_request_info *info,
+				  union iwreq_data *data, char *extra)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
+	struct iw_point *enc = &data->encoding;
+	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
+	__u16 alg;
+	__u16 flags;
+	unsigned int irqflag;
+	int key_index;
+	int ret = 0;
+
+	pr_debug("%s: <- \n", __func__);
+	flags = enc->flags & IW_ENCODE_FLAGS;
+	alg = ext->alg;
+	key_index = enc->flags & IW_ENCODE_INDEX;
+
+	pr_debug("%s: key_index = %d\n", __func__, key_index);
+	pr_debug("%s: key_len = %d\n", __func__, enc->length);
+	pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
+	pr_debug("%s: ext_flag=%x\n", __func__, ext->ext_flags);
+	pr_debug("%s: ext_key_len=%x\n", __func__, ext->key_len);
+
+	if (GELIC_WEP_KEYS < key_index)
+		return -EINVAL;
+
+	spin_lock_irqsave(&wl->lock, irqflag);
+	if (key_index)
+		key_index--;
+	else
+		key_index = wl->current_key;
+
+	if (!enc->length && (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) {
+		/* reques to change default key index */
+		pr_debug("%s: request to change default key to %d\n",
+			 __func__, key_index);
+		wl->current_key = key_index;
+		goto done;
+	}
+
+	if (alg == IW_ENCODE_ALG_NONE || (flags & IW_ENCODE_DISABLED)) {
+		pr_debug("%s: alg disabled\n", __func__);
+		wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
+		wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
+		wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
+		wl->auth_method = GELIC_EURUS_AUTH_OPEN; /* should be open */
+	} else if (alg == IW_ENCODE_ALG_WEP) {
+		pr_debug("%s: WEP requested\n", __func__);
+		if (flags & IW_ENCODE_OPEN) {
+			pr_debug("%s: open key mode\n", __func__);
+			wl->auth_method = GELIC_EURUS_AUTH_OPEN;
+		}
+		if (flags & IW_ENCODE_RESTRICTED) {
+			pr_debug("%s: shared key mode\n", __func__);
+			wl->auth_method = GELIC_EURUS_AUTH_SHARED;
+		}
+		if (IW_ENCODING_TOKEN_MAX < ext->key_len) {
+			pr_info("%s: key is too long %d\n", __func__,
+				ext->key_len);
+			ret = -EINVAL;
+			goto done;
+		}
+		/* OK, update the key */
+		wl->key_len[key_index] = ext->key_len;
+		memset(wl->key[key_index], 0, IW_ENCODING_TOKEN_MAX);
+		memcpy(wl->key[key_index], ext->key, ext->key_len);
+		set_bit(key_index, &wl->key_enabled);
+		/* remember wep info changed */
+		set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
+	} else if ((alg == IW_ENCODE_ALG_TKIP) || (alg == IW_ENCODE_ALG_CCMP)) {
+		pr_debug("%s: TKIP/CCMP requested alg=%d\n", __func__, alg);
+		/* check key length */
+		if (IW_ENCODING_TOKEN_MAX < ext->key_len) {
+			pr_info("%s: key is too long %d\n", __func__,
+				ext->key_len);
+			ret = -EINVAL;
+			goto done;
+		}
+		if (alg == IW_ENCODE_ALG_CCMP) {
+			pr_debug("%s: AES selected\n", __func__);
+			wl->group_cipher_method = GELIC_WL_CIPHER_AES;
+			wl->pairwise_cipher_method = GELIC_WL_CIPHER_AES;
+			wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA2;
+		} else {
+			pr_debug("%s: TKIP selected, WPA forced\n", __func__);
+			wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
+			wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
+			/* FIXME: how do we do if WPA2 + TKIP? */
+			wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
+		}
+		if (flags & IW_ENCODE_RESTRICTED)
+			BUG();
+		wl->auth_method = GELIC_EURUS_AUTH_OPEN;
+		/* We should use same key for both and unicast */
+		if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY)
+			pr_debug("%s: group key \n", __func__);
+		else
+			pr_debug("%s: unicast key \n", __func__);
+		/* OK, update the key */
+		wl->key_len[key_index] = ext->key_len;
+		memset(wl->key[key_index], 0, IW_ENCODING_TOKEN_MAX);
+		memcpy(wl->key[key_index], ext->key, ext->key_len);
+		set_bit(key_index, &wl->key_enabled);
+		/* remember info changed */
+		set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
+	}
+done:
+	spin_unlock_irqrestore(&wl->lock, irqflag);
+	pr_debug("%s: -> \n", __func__);
+	return ret;
+}
+
+static int gelic_wl_get_encodeext(struct net_device *netdev,
+				  struct iw_request_info *info,
+				  union iwreq_data *data, char *extra)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
+	struct iw_point *enc = &data->encoding;
+	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
+	unsigned int irqflag;
+	int key_index;
+	int ret = 0;
+	int max_key_len;
+
+	pr_debug("%s: <- \n", __func__);
+
+	max_key_len = enc->length - sizeof(struct iw_encode_ext);
+	if (max_key_len < 0)
+		return -EINVAL;
+	key_index = enc->flags & IW_ENCODE_INDEX;
+
+	pr_debug("%s: key_index = %d\n", __func__, key_index);
+	pr_debug("%s: key_len = %d\n", __func__, enc->length);
+	pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
+
+	if (GELIC_WEP_KEYS < key_index)
+		return -EINVAL;
+
+	spin_lock_irqsave(&wl->lock, irqflag);
+	if (key_index)
+		key_index--;
+	else
+		key_index = wl->current_key;
+
+	memset(ext, 0, sizeof(struct iw_encode_ext));
+	switch (wl->group_cipher_method) {
+	case GELIC_WL_CIPHER_WEP:
+		ext->alg = IW_ENCODE_ALG_WEP;
+		enc->flags |= IW_ENCODE_ENABLED;
+		break;
+	case GELIC_WL_CIPHER_TKIP:
+		ext->alg = IW_ENCODE_ALG_TKIP;
+		enc->flags |= IW_ENCODE_ENABLED;
+		break;
+	case GELIC_WL_CIPHER_AES:
+		ext->alg = IW_ENCODE_ALG_CCMP;
+		enc->flags |= IW_ENCODE_ENABLED;
+		break;
+	case GELIC_WL_CIPHER_NONE:
+	default:
+		ext->alg = IW_ENCODE_ALG_NONE;
+		enc->flags |= IW_ENCODE_NOKEY;
+		break;
+	}
+
+	if (!(enc->flags & IW_ENCODE_NOKEY)) {
+		if (max_key_len < wl->key_len[key_index]) {
+			ret = -E2BIG;
+			goto out;
+		}
+		if (test_bit(key_index, &wl->key_enabled))
+			memcpy(ext->key, wl->key[key_index],
+			       wl->key_len[key_index]);
+		else
+			pr_debug("%s: disabled key requested ix=%d\n",
+				 __func__, key_index);
+	}
+out:
+	spin_unlock_irqrestore(&wl->lock, irqflag);
+	pr_debug("%s: -> \n", __func__);
+	return ret;
+}
+/* SIOC{S,G}IWMODE */
+static int gelic_wl_set_mode(struct net_device *netdev,
+			     struct iw_request_info *info,
+			     union iwreq_data *data, char *extra)
+{
+	__u32 mode = data->mode;
+	int ret;
+
+	pr_debug("%s: <- \n", __func__);
+	if (mode == IW_MODE_INFRA)
+		ret = 0;
+	else
+		ret = -EOPNOTSUPP;
+	pr_debug("%s: -> %d\n", __func__, ret);
+	return ret;
+}
+
+static int gelic_wl_get_mode(struct net_device *netdev,
+			     struct iw_request_info *info,
+			     union iwreq_data *data, char *extra)
+{
+	__u32 *mode = &data->mode;
+	pr_debug("%s: <- \n", __func__);
+	*mode = IW_MODE_INFRA;
+	pr_debug("%s: ->\n", __func__);
+	return 0;
+}
+
+/* SIOCIWFIRSTPRIV */
+static int hex2bin(u8 *str, u8 *bin, unsigned int len)
+{
+	unsigned int i;
+	static unsigned char *hex = "0123456789ABCDEF";
+	unsigned char *p, *q;
+	u8 tmp;
+
+	if (len != WPA_PSK_LEN * 2)
+		return -EINVAL;
+
+	for (i = 0; i < WPA_PSK_LEN * 2; i += 2) {
+		p = strchr(hex, toupper(str[i]));
+		q = strchr(hex, toupper(str[i + 1]));
+		if (!p || !q) {
+			pr_info("%s: unconvertible PSK digit=%d\n",
+				__func__, i);
+			return -EINVAL;
+		}
+		tmp = ((p - hex) << 4) + (q - hex);
+		*bin++ = tmp;
+	}
+	return 0;
+};
+
+static int gelic_wl_priv_set_psk(struct net_device *net_dev,
+				 struct iw_request_info *info,
+				 union iwreq_data *data, char *extra)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(net_dev));
+	unsigned int len;
+	unsigned int irqflag;
+	int ret = 0;
+
+	pr_debug("%s:<- len=%d\n", __func__, data->data.length);
+	len = data->data.length - 1;
+	if (len <= 2)
+		return -EINVAL;
+
+	spin_lock_irqsave(&wl->lock, irqflag);
+	if (extra[0] == '"' && extra[len - 1] == '"') {
+		pr_debug("%s: passphrase mode\n", __func__);
+		/* pass phrase */
+		if (GELIC_WL_EURUS_PSK_MAX_LEN < (len - 2)) {
+			pr_info("%s: passphrase too long\n", __func__);
+			ret = -E2BIG;
+			goto out;
+		}
+		memset(wl->psk, 0, sizeof(wl->psk));
+		wl->psk_len = len - 2;
+		memcpy(wl->psk, &(extra[1]), wl->psk_len);
+		wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE;
+	} else {
+		ret = hex2bin(extra, wl->psk, len);
+		if (ret)
+			goto out;
+		wl->psk_len = WPA_PSK_LEN;
+		wl->psk_type = GELIC_EURUS_WPA_PSK_BIN;
+	}
+	set_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat);
+out:
+	spin_unlock_irqrestore(&wl->lock, irqflag);
+	pr_debug("%s:->\n", __func__);
+	return ret;
+}
+
+static int gelic_wl_priv_get_psk(struct net_device *net_dev,
+				 struct iw_request_info *info,
+				 union iwreq_data *data, char *extra)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(net_dev));
+	char *p;
+	unsigned int irqflag;
+	unsigned int i;
+
+	pr_debug("%s:<-\n", __func__);
+	if (!capable(CAP_NET_ADMIN))
+		return -EPERM;
+
+	spin_lock_irqsave(&wl->lock, irqflag);
+	p = extra;
+	if (test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat)) {
+		if (wl->psk_type == GELIC_EURUS_WPA_PSK_BIN) {
+			for (i = 0; i < wl->psk_len; i++) {
+				sprintf(p, "%02xu", wl->psk[i]);
+				p += 2;
+			}
+			*p = '\0';
+			data->data.length = wl->psk_len * 2;
+		} else {
+			*p++ = '"';
+			memcpy(p, wl->psk, wl->psk_len);
+			p += wl->psk_len;
+			*p++ = '"';
+			*p = '\0';
+			data->data.length = wl->psk_len + 2;
+		}
+	} else
+		/* no psk set */
+		data->data.length = 0;
+	spin_unlock_irqrestore(&wl->lock, irqflag);
+	pr_debug("%s:-> %d\n", __func__, data->data.length);
+	return 0;
+}
+
+/* SIOCGIWNICKN */
+static int gelic_wl_get_nick(struct net_device *net_dev,
+				  struct iw_request_info *info,
+				  union iwreq_data *data, char *extra)
+{
+	strcpy(extra, "gelic_wl");
+	data->data.length = strlen(extra);
+	data->data.flags = 1;
+	return 0;
+}
+
+
+/* --- */
+
+static struct iw_statistics *gelic_wl_get_wireless_stats(
+	struct net_device *netdev)
+{
+
+	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
+	struct gelic_eurus_cmd *cmd;
+	struct iw_statistics *is;
+	struct gelic_eurus_rssi_info *rssi;
+
+	pr_debug("%s: <-\n", __func__);
+
+	is = &wl->iwstat;
+	memset(is, 0, sizeof(*is));
+	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_RSSI_CFG,
+				   wl->buf, sizeof(*rssi));
+	if (cmd && !cmd->status && !cmd->cmd_status) {
+		rssi = wl->buf;
+		is->qual.level = be16_to_cpu(rssi->rssi);
+		is->qual.updated = IW_QUAL_LEVEL_UPDATED |
+			IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
+	} else
+		/* not associated */
+		is->qual.updated = IW_QUAL_ALL_INVALID;
+
+	kfree(cmd);
+	pr_debug("%s: ->\n", __func__);
+	return is;
+}
+
+/*
+ *  scanning helpers
+ */
+static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan)
+{
+	struct gelic_eurus_cmd *cmd;
+	int ret = 0;
+
+	pr_debug("%s: <- always=%d\n", __func__, always_scan);
+	if (down_interruptible(&wl->scan_lock))
+		return -ERESTARTSYS;
+
+	/*
+	 * If already a scan in progress, do not trigger more
+	 */
+	if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING) {
+		pr_debug("%s: scanning now\n", __func__);
+		goto out;
+	}
+
+	init_completion(&wl->scan_done);
+	/*
+	 * If we have already a bss list, don't try to get new
+	 */
+	if (!always_scan && wl->scan_stat == GELIC_WL_SCAN_STAT_GOT_LIST) {
+		pr_debug("%s: already has the list\n", __func__);
+		complete(&wl->scan_done);
+		goto out;
+	}
+	/*
+	 * issue start scan request
+	 */
+	wl->scan_stat = GELIC_WL_SCAN_STAT_SCANNING;
+	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_START_SCAN,
+				   NULL, 0);
+	if (!cmd || cmd->status || cmd->cmd_status) {
+		wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
+		complete(&wl->scan_done);
+		ret = -ENOMEM;
+		goto out;
+	}
+	kfree(cmd);
+out:
+	up(&wl->scan_lock);
+	pr_debug("%s: ->\n", __func__);
+	return ret;
+}
+
+/*
+ * retrieve scan result from the chip (hypervisor)
+ * this function is invoked by schedule work.
+ */
+static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
+{
+	struct gelic_eurus_cmd *cmd = NULL;
+	struct gelic_wl_scan_info *target, *tmp;
+	struct gelic_wl_scan_info *oldest = NULL;
+	struct gelic_eurus_scan_info *scan_info;
+	unsigned int scan_info_size;
+	union iwreq_data data;
+	unsigned long this_time = jiffies;
+	unsigned int data_len, i, found, r;
+	DECLARE_MAC_BUF(mac);
+
+	pr_debug("%s:start\n", __func__);
+	down(&wl->scan_lock);
+
+	if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) {
+		/*
+		 * stop() may be called while scanning, ignore result
+		 */
+		pr_debug("%s: scan complete when stat != scanning(%d)\n",
+			 __func__, wl->scan_stat);
+		goto out;
+	}
+
+	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_SCAN,
+				   wl->buf, PAGE_SIZE);
+	if (!cmd || cmd->status || cmd->cmd_status) {
+		wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
+		pr_info("%s:cmd failed\n", __func__);
+		kfree(cmd);
+		goto out;
+	}
+	data_len = cmd->size;
+	pr_debug("%s: data_len = %d\n", __func__, data_len);
+	kfree(cmd);
+
+	/* OK, bss list retrieved */
+	wl->scan_stat = GELIC_WL_SCAN_STAT_GOT_LIST;
+
+	/* mark all entries are old */
+	list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
+		target->valid = 0;
+		/* expire too old entries */
+		if (time_before(target->last_scanned + wl->scan_age,
+				this_time)) {
+			kfree(target->hwinfo);
+			target->hwinfo = NULL;
+			list_move_tail(&target->list, &wl->network_free_list);
+		}
+	}
+
+	/* put them in the newtork_list */
+	scan_info = wl->buf;
+	scan_info_size = 0;
+	i = 0;
+	while (scan_info_size < data_len) {
+		pr_debug("%s:size=%d bssid=%s scan_info=%p\n", __func__,
+			 be16_to_cpu(scan_info->size),
+			 print_mac(mac, &scan_info->bssid[2]), scan_info);
+		found = 0;
+		oldest = NULL;
+		list_for_each_entry(target, &wl->network_list, list) {
+			if (!compare_ether_addr(&target->hwinfo->bssid[2],
+						&scan_info->bssid[2])) {
+				found = 1;
+				pr_debug("%s: same BBS found scanned list\n",
+					 __func__);
+				break;
+			}
+			if (!oldest ||
+			    (target->last_scanned < oldest->last_scanned))
+				oldest = target;
+		}
+
+		if (!found) {
+			/* not found in the list */
+			if (list_empty(&wl->network_free_list)) {
+				/* expire oldest */
+				target = oldest;
+			} else {
+				target = list_entry(wl->network_free_list.next,
+						    struct gelic_wl_scan_info,
+						    list);
+			}
+		}
+
+		/* update the item */
+		target->last_scanned = this_time;
+		target->valid = 1;
+		target->eurus_index = i;
+		kfree(target->hwinfo);
+		target->hwinfo = kzalloc(be16_to_cpu(scan_info->size),
+					 GFP_KERNEL);
+		if (!target->hwinfo) {
+			pr_info("%s: kzalloc failed\n", __func__);
+			i++;
+			scan_info_size += be16_to_cpu(scan_info->size);
+			scan_info = (void *)scan_info +
+				be16_to_cpu(scan_info->size);
+			continue;
+		}
+		/* copy hw scan info */
+		memcpy(target->hwinfo, scan_info, scan_info->size);
+		target->essid_len = strnlen(scan_info->essid,
+					    sizeof(scan_info->essid));
+		target->rate_len = 0;
+		for (r = 0; r < MAX_RATES_LENGTH; r++)
+			if (scan_info->rate[r])
+				target->rate_len++;
+		if (8 < target->rate_len)
+			pr_info("%s: AP returns %d rates\n", __func__,
+				target->rate_len);
+		target->rate_ext_len = 0;
+		for (r = 0; r < MAX_RATES_EX_LENGTH; r++)
+			if (scan_info->ext_rate[r])
+				target->rate_ext_len++;
+		list_move_tail(&target->list, &wl->network_list);
+		/* bump pointer */
+		i++;
+		scan_info_size += be16_to_cpu(scan_info->size);
+		scan_info = (void *)scan_info + be16_to_cpu(scan_info->size);
+	}
+	memset(&data, 0, sizeof(data));
+	wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data,
+			    NULL);
+out:
+	complete(&wl->scan_done);
+	up(&wl->scan_lock);
+	pr_debug("%s:end\n", __func__);
+}
+
+/*
+ * Select an appropriate bss from current scan list regarding
+ * current settings from userspace.
+ * The caller must hold wl->scan_lock,
+ * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
+ */
+static void update_best(struct gelic_wl_scan_info **best,
+			struct gelic_wl_scan_info *candid,
+			int *best_weight,
+			int *weight)
+{
+	if (*best_weight < ++(*weight)) {
+		*best_weight = *weight;
+		*best = candid;
+	}
+}
+
+static
+struct gelic_wl_scan_info *gelic_wl_find_best_bss(struct gelic_wl_info *wl)
+{
+	struct gelic_wl_scan_info *scan_info;
+	struct gelic_wl_scan_info *best_bss;
+	int weight, best_weight;
+	u16 security;
+	DECLARE_MAC_BUF(mac);
+
+	pr_debug("%s: <-\n", __func__);
+
+	best_bss = NULL;
+	best_weight = 0;
+
+	list_for_each_entry(scan_info, &wl->network_list, list) {
+		pr_debug("%s: station %p\n", __func__, scan_info);
+
+		if (!scan_info->valid) {
+			pr_debug("%s: station invalid\n", __func__);
+			continue;
+		}
+
+		/* If bss specified, check it only */
+		if (test_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat)) {
+			if (!compare_ether_addr(&scan_info->hwinfo->bssid[2],
+						wl->bssid)) {
+				best_bss = scan_info;
+				pr_debug("%s: bssid matched\n", __func__);
+				break;
+			} else {
+				pr_debug("%s: bssid unmached\n", __func__);
+				continue;
+			}
+		}
+
+		weight = 0;
+
+		/* security */
+		security = be16_to_cpu(scan_info->hwinfo->security) &
+			GELIC_EURUS_SCAN_SEC_MASK;
+		if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
+			if (security == GELIC_EURUS_SCAN_SEC_WPA2)
+				update_best(&best_bss, scan_info,
+					    &best_weight, &weight);
+			else
+				continue;
+		} else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA) {
+			if (security == GELIC_EURUS_SCAN_SEC_WPA)
+				update_best(&best_bss, scan_info,
+					    &best_weight, &weight);
+			else
+				continue;
+		} else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_NONE &&
+			   wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
+			if (security == GELIC_EURUS_SCAN_SEC_WEP)
+				update_best(&best_bss, scan_info,
+					    &best_weight, &weight);
+			else
+				continue;
+		}
+
+		/* If ESSID is set, check it */
+		if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) {
+			if ((scan_info->essid_len == wl->essid_len) &&
+			    !strncmp(wl->essid,
+				     scan_info->hwinfo->essid,
+				     scan_info->essid_len))
+				update_best(&best_bss, scan_info,
+					    &best_weight, &weight);
+			else
+				continue;
+		}
+	}
+
+#ifdef DEBUG
+	pr_debug("%s: -> bss=%p\n", __func__, best_bss);
+	if (best_bss) {
+		pr_debug("%s:addr=%s\n", __func__,
+			 print_mac(mac, &best_bss->hwinfo->bssid[2]));
+	}
+#endif
+	return best_bss;
+}
+
+/*
+ * Setup WEP configuration to the chip
+ * The caller must hold wl->scan_lock,
+ * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
+ */
+static int gelic_wl_do_wep_setup(struct gelic_wl_info *wl)
+{
+	unsigned int i;
+	struct gelic_eurus_wep_cfg *wep;
+	struct gelic_eurus_cmd *cmd;
+	int wep104 = 0;
+	int have_key = 0;
+	int ret = 0;
+
+	pr_debug("%s: <-\n", __func__);
+	/* we can assume no one should uses the buffer */
+	wep = wl->buf;
+	memset(wep, 0, sizeof(*wep));
+
+	if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
+		pr_debug("%s: WEP mode\n", __func__);
+		for (i = 0; i < GELIC_WEP_KEYS; i++) {
+			if (!test_bit(i, &wl->key_enabled))
+				continue;
+
+			pr_debug("%s: key#%d enabled\n", __func__, i);
+			have_key = 1;
+			if (wl->key_len[i] == 13)
+				wep104 = 1;
+			else if (wl->key_len[i] != 5) {
+				pr_info("%s: wrong wep key[%d]=%d\n",
+					__func__, i, wl->key_len[i]);
+				ret = -EINVAL;
+				goto out;
+			}
+			memcpy(wep->key[i], wl->key[i], wl->key_len[i]);
+		}
+
+		if (!have_key) {
+			pr_info("%s: all wep key disabled\n", __func__);
+			ret = -EINVAL;
+			goto out;
+		}
+
+		if (wep104) {
+			pr_debug("%s: 104bit key\n", __func__);
+			wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_104BIT);
+		} else {
+			pr_debug("%s: 40bit key\n", __func__);
+			wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_40BIT);
+		}
+	} else {
+		pr_debug("%s: NO encryption\n", __func__);
+		wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_NONE);
+	}
+
+	/* issue wep setup */
+	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WEP_CFG,
+				   wep, sizeof(*wep));
+	if (!cmd)
+		ret = -ENOMEM;
+	else if (cmd->status || cmd->cmd_status)
+		ret = -ENXIO;
+
+	kfree(cmd);
+out:
+	pr_debug("%s: ->\n", __func__);
+	return ret;
+}
+
+#ifdef DEBUG
+static const char *wpasecstr(enum gelic_eurus_wpa_security sec)
+{
+	switch (sec) {
+	case GELIC_EURUS_WPA_SEC_NONE:
+		return "NONE";
+		break;
+	case GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP:
+		return "WPA_TKIP_TKIP";
+		break;
+	case GELIC_EURUS_WPA_SEC_WPA_TKIP_AES:
+		return "WPA_TKIP_AES";
+		break;
+	case GELIC_EURUS_WPA_SEC_WPA_AES_AES:
+		return "WPA_AES_AES";
+		break;
+	case GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP:
+		return "WPA2_TKIP_TKIP";
+		break;
+	case GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES:
+		return "WPA2_TKIP_AES";
+		break;
+	case GELIC_EURUS_WPA_SEC_WPA2_AES_AES:
+		return "WPA2_AES_AES";
+		break;
+	}
+	return "";
+};
+#endif
+
+static int gelic_wl_do_wpa_setup(struct gelic_wl_info *wl)
+{
+	struct gelic_eurus_wpa_cfg *wpa;
+	struct gelic_eurus_cmd *cmd;
+	u16 security;
+	int ret = 0;
+
+	pr_debug("%s: <-\n", __func__);
+	/* we can assume no one should uses the buffer */
+	wpa = wl->buf;
+	memset(wpa, 0, sizeof(*wpa));
+
+	if (!test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat))
+		pr_info("%s: PSK not configured yet\n", __func__);
+
+	/* copy key */
+	memcpy(wpa->psk, wl->psk, wl->psk_len);
+
+	/* set security level */
+	if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
+		if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
+			security = GELIC_EURUS_WPA_SEC_WPA2_AES_AES;
+		} else {
+			if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
+			    precise_ie())
+				security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES;
+			else
+				security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP;
+		}
+	} else {
+		if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
+			security = GELIC_EURUS_WPA_SEC_WPA_AES_AES;
+		} else {
+			if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
+			    precise_ie())
+				security = GELIC_EURUS_WPA_SEC_WPA_TKIP_AES;
+			else
+				security = GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP;
+		}
+	}
+	wpa->security = cpu_to_be16(security);
+
+	/* PSK type */
+	wpa->psk_type = cpu_to_be16(wl->psk_type);
+#ifdef DEBUG
+	pr_debug("%s: sec=%s psktype=%s\nn", __func__,
+		 wpasecstr(wpa->security),
+		 (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
+		 "BIN" : "passphrase");
+#if 0
+	/*
+	 * don't enable here if you plan to submit
+	 * the debug log because this dumps your precious
+	 * passphrase/key.
+	 */
+	pr_debug("%s: psk=%s\n",
+		 (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
+		 (char *)"N/A" : (char *)wpa->psk);
+#endif
+#endif
+	/* issue wpa setup */
+	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WPA_CFG,
+				   wpa, sizeof(*wpa));
+	if (!cmd)
+		ret = -ENOMEM;
+	else if (cmd->status || cmd->cmd_status)
+		ret = -ENXIO;
+	kfree(cmd);
+	pr_debug("%s: --> %d\n", __func__, ret);
+	return ret;
+}
+
+/*
+ * Start association. caller must hold assoc_stat_lock
+ */
+static int gelic_wl_associate_bss(struct gelic_wl_info *wl,
+				  struct gelic_wl_scan_info *bss)
+{
+	struct gelic_eurus_cmd *cmd;
+	struct gelic_eurus_common_cfg *common;
+	int ret = 0;
+	unsigned long rc;
+
+	pr_debug("%s: <-\n", __func__);
+
+	/* do common config */
+	common = wl->buf;
+	memset(common, 0, sizeof(*common));
+	common->bss_type = cpu_to_be16(GELIC_EURUS_BSS_INFRA);
+	common->op_mode = cpu_to_be16(GELIC_EURUS_OPMODE_11BG);
+
+	common->scan_index = cpu_to_be16(bss->eurus_index);
+	switch (wl->auth_method) {
+	case GELIC_EURUS_AUTH_OPEN:
+		common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_OPEN);
+		break;
+	case GELIC_EURUS_AUTH_SHARED:
+		common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_SHARED);
+		break;
+	}
+
+#ifdef DEBUG
+	scan_list_dump(wl);
+#endif
+	pr_debug("%s: common cfg index=%d bsstype=%d auth=%d\n", __func__,
+		 be16_to_cpu(common->scan_index),
+		 be16_to_cpu(common->bss_type),
+		 be16_to_cpu(common->auth_method));
+
+	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_COMMON_CFG,
+				   common, sizeof(*common));
+	if (!cmd || cmd->status || cmd->cmd_status) {
+		ret = -ENOMEM;
+		kfree(cmd);
+		goto out;
+	}
+	kfree(cmd);
+
+	/* WEP/WPA */
+	switch (wl->wpa_level) {
+	case GELIC_WL_WPA_LEVEL_NONE:
+		/* If WEP or no security, setup WEP config */
+		ret = gelic_wl_do_wep_setup(wl);
+		break;
+	case GELIC_WL_WPA_LEVEL_WPA:
+	case GELIC_WL_WPA_LEVEL_WPA2:
+		ret = gelic_wl_do_wpa_setup(wl);
+		break;
+	};
+
+	if (ret) {
+		pr_debug("%s: WEP/WPA setup failed %d\n", __func__,
+			 ret);
+	}
+
+	/* start association */
+	init_completion(&wl->assoc_done);
+	wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATING;
+	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_ASSOC,
+				   NULL, 0);
+	if (!cmd || cmd->status || cmd->cmd_status) {
+		pr_debug("%s: assoc request failed\n", __func__);
+		wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
+		kfree(cmd);
+		ret = -ENOMEM;
+		gelic_wl_send_iwap_event(wl, NULL);
+		goto out;
+	}
+	kfree(cmd);
+
+	/* wait for connected event */
+	rc = wait_for_completion_timeout(&wl->assoc_done, HZ * 4);/*FIXME*/
+
+	if (!rc) {
+		/* timeouted.  Maybe key or cyrpt mode is wrong */
+		pr_info("%s: connect timeout \n", __func__);
+		cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC,
+					   NULL, 0);
+		kfree(cmd);
+		wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
+		gelic_wl_send_iwap_event(wl, NULL);
+		ret = -ENXIO;
+	} else {
+		wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATED;
+		/* copy bssid */
+		memcpy(wl->active_bssid, &bss->hwinfo->bssid[2], ETH_ALEN);
+
+		/* send connect event */
+		gelic_wl_send_iwap_event(wl, wl->active_bssid);
+		pr_info("%s: connected\n", __func__);
+	}
+out:
+	pr_debug("%s: ->\n", __func__);
+	return ret;
+}
+
+/*
+ * connected event
+ */
+static void gelic_wl_connected_event(struct gelic_wl_info *wl,
+				     u64 event)
+{
+	u64 desired_event = 0;
+
+	switch (wl->wpa_level) {
+	case GELIC_WL_WPA_LEVEL_NONE:
+		desired_event = GELIC_LV1_WL_EVENT_CONNECTED;
+		break;
+	case GELIC_WL_WPA_LEVEL_WPA:
+	case GELIC_WL_WPA_LEVEL_WPA2:
+		desired_event = GELIC_LV1_WL_EVENT_WPA_CONNECTED;
+		break;
+	}
+
+	if (desired_event == event) {
+		pr_debug("%s: completed \n", __func__);
+		complete(&wl->assoc_done);
+		netif_carrier_on(port_to_netdev(wl_port(wl)));
+	} else
+		pr_debug("%s: event %#lx under wpa\n",
+				 __func__, event);
+}
+
+/*
+ * disconnect event
+ */
+static void gelic_wl_disconnect_event(struct gelic_wl_info *wl,
+				      u64 event)
+{
+	struct gelic_eurus_cmd *cmd;
+	int lock;
+
+	/*
+	 * If we fall here in the middle of association,
+	 * associate_bss() should be waiting for complation of
+	 * wl->assoc_done.
+	 * As it waits with timeout, just leave assoc_done
+	 * uncompleted, then it terminates with timeout
+	 */
+	if (down_trylock(&wl->assoc_stat_lock)) {
+		pr_debug("%s: already locked\n", __func__);
+		lock = 0;
+	} else {
+		pr_debug("%s: obtain lock\n", __func__);
+		lock = 1;
+	}
+
+	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
+	kfree(cmd);
+
+	/* send disconnected event to the supplicant */
+	if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
+		gelic_wl_send_iwap_event(wl, NULL);
+
+	wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
+	netif_carrier_off(port_to_netdev(wl_port(wl)));
+
+	if (lock)
+		up(&wl->assoc_stat_lock);
+}
+/*
+ * event worker
+ */
+#ifdef DEBUG
+static const char *eventstr(enum gelic_lv1_wl_event event)
+{
+	static char buf[32];
+	char *ret;
+	if (event & GELIC_LV1_WL_EVENT_DEVICE_READY)
+		ret = "EURUS_READY";
+	else if (event & GELIC_LV1_WL_EVENT_SCAN_COMPLETED)
+		ret = "SCAN_COMPLETED";
+	else if (event & GELIC_LV1_WL_EVENT_DEAUTH)
+		ret = "DEAUTH";
+	else if (event & GELIC_LV1_WL_EVENT_BEACON_LOST)
+		ret = "BEACON_LOST";
+	else if (event & GELIC_LV1_WL_EVENT_CONNECTED)
+		ret = "CONNECTED";
+	else if (event & GELIC_LV1_WL_EVENT_WPA_CONNECTED)
+		ret = "WPA_CONNECTED";
+	else if (event & GELIC_LV1_WL_EVENT_WPA_ERROR)
+		ret = "WPA_ERROR";
+	else {
+		sprintf(buf, "Unknown(%#x)", event);
+		ret = buf;
+	}
+	return ret;
+}
+#else
+static const char *eventstr(enum gelic_lv1_wl_event event)
+{
+	return NULL;
+}
+#endif
+static void gelic_wl_event_worker(struct work_struct *work)
+{
+	struct gelic_wl_info *wl;
+	struct gelic_port *port;
+	u64 event, tmp;
+	int status;
+
+	pr_debug("%s:start\n", __func__);
+	wl = container_of(work, struct gelic_wl_info, event_work.work);
+	port = wl_port(wl);
+	while (1) {
+		status = lv1_net_control(bus_id(port->card), dev_id(port->card),
+					 GELIC_LV1_GET_WLAN_EVENT, 0, 0, 0,
+					 &event, &tmp);
+		if (status) {
+			if (status != LV1_NO_ENTRY)
+				pr_debug("%s:wlan event failed %d\n",
+					 __func__, status);
+			/* got all events */
+			pr_debug("%s:end\n", __func__);
+			return;
+		}
+		pr_debug("%s: event=%s\n", __func__, eventstr(event));
+		switch (event) {
+		case GELIC_LV1_WL_EVENT_SCAN_COMPLETED:
+			gelic_wl_scan_complete_event(wl);
+			break;
+		case GELIC_LV1_WL_EVENT_BEACON_LOST:
+		case GELIC_LV1_WL_EVENT_DEAUTH:
+			gelic_wl_disconnect_event(wl, event);
+			break;
+		case GELIC_LV1_WL_EVENT_CONNECTED:
+		case GELIC_LV1_WL_EVENT_WPA_CONNECTED:
+			gelic_wl_connected_event(wl, event);
+			break;
+		default:
+			break;
+		}
+	} /* while */
+}
+/*
+ * association worker
+ */
+static void gelic_wl_assoc_worker(struct work_struct *work)
+{
+	struct gelic_wl_info *wl;
+
+	struct gelic_wl_scan_info *best_bss;
+	int ret;
+
+	wl = container_of(work, struct gelic_wl_info, assoc_work.work);
+
+	down(&wl->assoc_stat_lock);
+
+	if (wl->assoc_stat != GELIC_WL_ASSOC_STAT_DISCONN)
+		goto out;
+
+	ret = gelic_wl_start_scan(wl, 0);
+	if (ret == -ERESTARTSYS) {
+		pr_debug("%s: scan start failed association\n", __func__);
+		schedule_delayed_work(&wl->assoc_work, HZ/10); /*FIXME*/
+		goto out;
+	} else if (ret) {
+		pr_info("%s: scan prerequisite failed\n", __func__);
+		goto out;
+	}
+
+	/*
+	 * Wait for bss scan completion
+	 * If we have scan list already, gelic_wl_start_scan()
+	 * returns OK and raises the complete.  Thus,
+	 * it's ok to wait unconditionally here
+	 */
+	wait_for_completion(&wl->scan_done);
+
+	pr_debug("%s: scan done\n", __func__);
+	down(&wl->scan_lock);
+	if (wl->scan_stat != GELIC_WL_SCAN_STAT_GOT_LIST) {
+		gelic_wl_send_iwap_event(wl, NULL);
+		pr_info("%s: no scan list. association failed\n", __func__);
+		goto scan_lock_out;
+	}
+
+	/* find best matching bss */
+	best_bss = gelic_wl_find_best_bss(wl);
+	if (!best_bss) {
+		gelic_wl_send_iwap_event(wl, NULL);
+		pr_info("%s: no bss matched. association failed\n", __func__);
+		goto scan_lock_out;
+	}
+
+	/* ok, do association */
+	ret = gelic_wl_associate_bss(wl, best_bss);
+	if (ret)
+		pr_info("%s: association failed %d\n", __func__, ret);
+scan_lock_out:
+	up(&wl->scan_lock);
+out:
+	up(&wl->assoc_stat_lock);
+}
+/*
+ * Interrupt handler
+ * Called from the ethernet interrupt handler
+ * Processes wireless specific virtual interrupts only
+ */
+void gelic_wl_interrupt(struct net_device *netdev, u64 status)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
+
+	if (status & GELIC_CARD_WLAN_COMMAND_COMPLETED) {
+		pr_debug("%s:cmd complete\n", __func__);
+		complete(&wl->cmd_done_intr);
+	}
+
+	if (status & GELIC_CARD_WLAN_EVENT_RECEIVED) {
+		pr_debug("%s:event received\n", __func__);
+		queue_delayed_work(wl->event_queue, &wl->event_work, 0);
+	}
+}
+
+/*
+ * driver helpers
+ */
+#define IW_IOCTL(n) [(n) - SIOCSIWCOMMIT]
+static const iw_handler gelic_wl_wext_handler[] =
+{
+	IW_IOCTL(SIOCGIWNAME)		= gelic_wl_get_name,
+	IW_IOCTL(SIOCGIWRANGE)		= gelic_wl_get_range,
+	IW_IOCTL(SIOCSIWSCAN)		= gelic_wl_set_scan,
+	IW_IOCTL(SIOCGIWSCAN)		= gelic_wl_get_scan,
+	IW_IOCTL(SIOCSIWAUTH)		= gelic_wl_set_auth,
+	IW_IOCTL(SIOCGIWAUTH)		= gelic_wl_get_auth,
+	IW_IOCTL(SIOCSIWESSID)		= gelic_wl_set_essid,
+	IW_IOCTL(SIOCGIWESSID)		= gelic_wl_get_essid,
+	IW_IOCTL(SIOCSIWENCODE)		= gelic_wl_set_encode,
+	IW_IOCTL(SIOCGIWENCODE)		= gelic_wl_get_encode,
+	IW_IOCTL(SIOCSIWAP)		= gelic_wl_set_ap,
+	IW_IOCTL(SIOCGIWAP)		= gelic_wl_get_ap,
+	IW_IOCTL(SIOCSIWENCODEEXT)	= gelic_wl_set_encodeext,
+	IW_IOCTL(SIOCGIWENCODEEXT)	= gelic_wl_get_encodeext,
+	IW_IOCTL(SIOCSIWMODE)		= gelic_wl_set_mode,
+	IW_IOCTL(SIOCGIWMODE)		= gelic_wl_get_mode,
+	IW_IOCTL(SIOCGIWNICKN)		= gelic_wl_get_nick,
+};
+
+static struct iw_priv_args gelic_wl_private_args[] =
+{
+	{
+		.cmd = GELIC_WL_PRIV_SET_PSK,
+		.set_args = IW_PRIV_TYPE_CHAR |
+		(GELIC_WL_EURUS_PSK_MAX_LEN + 2),
+		.name = "set_psk"
+	},
+	{
+		.cmd = GELIC_WL_PRIV_GET_PSK,
+		.get_args = IW_PRIV_TYPE_CHAR |
+		(GELIC_WL_EURUS_PSK_MAX_LEN + 2),
+		.name = "get_psk"
+	}
+};
+
+static const iw_handler gelic_wl_private_handler[] =
+{
+	gelic_wl_priv_set_psk,
+	gelic_wl_priv_get_psk,
+};
+
+static const struct iw_handler_def gelic_wl_wext_handler_def = {
+	.num_standard		= ARRAY_SIZE(gelic_wl_wext_handler),
+	.standard		= gelic_wl_wext_handler,
+	.get_wireless_stats	= gelic_wl_get_wireless_stats,
+	.num_private		= ARRAY_SIZE(gelic_wl_private_handler),
+	.num_private_args	= ARRAY_SIZE(gelic_wl_private_args),
+	.private		= gelic_wl_private_handler,
+	.private_args		= gelic_wl_private_args,
+};
+
+static struct net_device *gelic_wl_alloc(struct gelic_card *card)
+{
+	struct net_device *netdev;
+	struct gelic_port *port;
+	struct gelic_wl_info *wl;
+	unsigned int i;
+
+	pr_debug("%s:start\n", __func__);
+	netdev = alloc_etherdev(sizeof(struct gelic_port) +
+				sizeof(struct gelic_wl_info));
+	pr_debug("%s: netdev =%p card=%p \np", __func__, netdev, card);
+	if (!netdev)
+		return NULL;
+
+	port = netdev_priv(netdev);
+	port->netdev = netdev;
+	port->card = card;
+	port->type = GELIC_PORT_WIRELESS;
+
+	wl = port_wl(port);
+	pr_debug("%s: wl=%p port=%p\n", __func__, wl, port);
+
+	/* allocate scan list */
+	wl->networks = kzalloc(sizeof(struct gelic_wl_scan_info) *
+			       GELIC_WL_BSS_MAX_ENT, GFP_KERNEL);
+
+	if (!wl->networks)
+		goto fail_bss;
+
+	wl->eurus_cmd_queue = create_singlethread_workqueue("gelic_cmd");
+	if (!wl->eurus_cmd_queue)
+		goto fail_cmd_workqueue;
+
+	wl->event_queue = create_singlethread_workqueue("gelic_event");
+	if (!wl->event_queue)
+		goto fail_event_workqueue;
+
+	INIT_LIST_HEAD(&wl->network_free_list);
+	INIT_LIST_HEAD(&wl->network_list);
+	for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++)
+		list_add_tail(&wl->networks[i].list,
+			      &wl->network_free_list);
+	init_completion(&wl->cmd_done_intr);
+
+	INIT_DELAYED_WORK(&wl->event_work, gelic_wl_event_worker);
+	INIT_DELAYED_WORK(&wl->assoc_work, gelic_wl_assoc_worker);
+	init_MUTEX(&wl->scan_lock);
+	init_MUTEX(&wl->assoc_stat_lock);
+
+	init_completion(&wl->scan_done);
+	/* for the case that no scan request is issued and stop() is called */
+	complete(&wl->scan_done);
+
+	spin_lock_init(&wl->lock);
+
+	wl->scan_age = 5*HZ; /* FIXME */
+
+	/* buffer for receiving scanned list etc */
+	BUILD_BUG_ON(PAGE_SIZE <
+		     sizeof(struct gelic_eurus_scan_info) *
+		     GELIC_EURUS_MAX_SCAN);
+	wl->buf = (void *)get_zeroed_page(GFP_KERNEL);
+	if (!wl->buf) {
+		pr_info("%s:buffer allocation failed\n", __func__);
+		goto fail_getpage;
+	}
+	pr_debug("%s:end\n", __func__);
+	return netdev;
+
+fail_getpage:
+	destroy_workqueue(wl->event_queue);
+fail_event_workqueue:
+	destroy_workqueue(wl->eurus_cmd_queue);
+fail_cmd_workqueue:
+	kfree(wl->networks);
+fail_bss:
+	free_netdev(netdev);
+	pr_debug("%s:end error\n", __func__);
+	return NULL;
+
+}
+
+static void gelic_wl_free(struct gelic_wl_info *wl)
+{
+	struct gelic_wl_scan_info *scan_info;
+	unsigned int i;
+
+	pr_debug("%s: <-\n", __func__);
+
+	pr_debug("%s: destroy queues\n", __func__);
+	destroy_workqueue(wl->eurus_cmd_queue);
+	destroy_workqueue(wl->event_queue);
+
+	scan_info = wl->networks;
+	for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++, scan_info++)
+		kfree(scan_info->hwinfo);
+	kfree(wl->networks);
+
+	free_netdev(port_to_netdev(wl_port(wl)));
+
+	pr_debug("%s: ->\n", __func__);
+}
+
+static int gelic_wl_try_associate(struct net_device *netdev)
+{
+	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
+	int ret = -1;
+	unsigned int i;
+
+	pr_debug("%s: <-\n", __func__);
+
+	/* check constraits for start association */
+	/* for no access restriction AP */
+	if (wl->group_cipher_method == GELIC_WL_CIPHER_NONE) {
+		if (test_bit(GELIC_WL_STAT_CONFIGURED,
+			     &wl->stat))
+			goto do_associate;
+		else {
+			pr_debug("%s: no wep, not configured\n", __func__);
+			return ret;
+		}
+	}
+
+	/* for WEP, one of four keys should be set */
+	if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
+		/* one of keys set */
+		for (i = 0; i < GELIC_WEP_KEYS; i++) {
+			if (test_bit(i, &wl->key_enabled))
+			    goto do_associate;
+		}
+		pr_debug("%s: WEP, but no key specified\n", __func__);
+		return ret;
+	}
+
+	/* for WPA[2], psk should be set */
+	if ((wl->group_cipher_method == GELIC_WL_CIPHER_TKIP) ||
+	    (wl->group_cipher_method == GELIC_WL_CIPHER_AES)) {
+		if (test_bit(GELIC_WL_STAT_WPA_PSK_SET,
+			     &wl->stat))
+			goto do_associate;
+		else {
+			pr_debug("%s: AES/TKIP, but PSK not configured\n",
+				 __func__);
+			return ret;
+		}
+	}
+
+do_associate:
+	ret = schedule_delayed_work(&wl->assoc_work, 0);
+	pr_debug("%s: start association work %d\n", __func__, ret);
+	return ret;
+}
+
+/*
+ * netdev handlers
+ */
+static int gelic_wl_open(struct net_device *netdev)
+{
+	struct gelic_card *card = netdev_card(netdev);
+
+	pr_debug("%s:->%p\n", __func__, netdev);
+
+	gelic_card_up(card);
+
+	/* try to associate */
+	gelic_wl_try_associate(netdev);
+
+	netif_start_queue(netdev);
+
+	pr_debug("%s:<-\n", __func__);
+	return 0;
+}
+
+/*
+ * reset state machine
+ */
+static int gelic_wl_reset_state(struct gelic_wl_info *wl)
+{
+	struct gelic_wl_scan_info *target;
+	struct gelic_wl_scan_info *tmp;
+
+	/* empty scan list */
+	list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
+		list_move_tail(&target->list, &wl->network_free_list);
+	}
+	wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
+
+	/* clear configuration */
+	wl->auth_method = GELIC_EURUS_AUTH_OPEN;
+	wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
+	wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
+	wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
+
+	wl->key_enabled = 0;
+	wl->current_key = 0;
+
+	wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE;
+	wl->psk_len = 0;
+
+	wl->essid_len = 0;
+	memset(wl->essid, 0, sizeof(wl->essid));
+	memset(wl->bssid, 0, sizeof(wl->bssid));
+	memset(wl->active_bssid, 0, sizeof(wl->active_bssid));
+
+	wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
+
+	memset(&wl->iwstat, 0, sizeof(wl->iwstat));
+	/* all status bit clear */
+	wl->stat = 0;
+	return 0;
+}
+
+/*
+ * Tell eurus to terminate association
+ */
+static void gelic_wl_disconnect(struct net_device *netdev)
+{
+	struct gelic_port *port = netdev_priv(netdev);
+	struct gelic_wl_info *wl = port_wl(port);
+	struct gelic_eurus_cmd *cmd;
+
+	/*
+	 * If scann process is running on chip,
+	 * further requests will be rejected
+	 */
+	if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING)
+		wait_for_completion_timeout(&wl->scan_done, HZ);
+
+	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
+	kfree(cmd);
+	gelic_wl_send_iwap_event(wl, NULL);
+};
+
+static int gelic_wl_stop(struct net_device *netdev)
+{
+	struct gelic_port *port = netdev_priv(netdev);
+	struct gelic_wl_info *wl = port_wl(port);
+	struct gelic_card *card = netdev_card(netdev);
+
+	pr_debug("%s:<-\n", __func__);
+
+	/*
+	 * Cancel pending association work.
+	 * event work can run after netdev down
+	 */
+	cancel_delayed_work(&wl->assoc_work);
+
+	if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
+		gelic_wl_disconnect(netdev);
+
+	/* reset our state machine */
+	gelic_wl_reset_state(wl);
+
+	netif_stop_queue(netdev);
+
+	gelic_card_down(card);
+
+	pr_debug("%s:->\n", __func__);
+	return 0;
+}
+
+/* -- */
+
+static struct ethtool_ops gelic_wl_ethtool_ops = {
+	.get_drvinfo	= gelic_net_get_drvinfo,
+	.get_link	= gelic_wl_get_link,
+	.get_tx_csum	= ethtool_op_get_tx_csum,
+	.set_tx_csum	= ethtool_op_set_tx_csum,
+	.get_rx_csum	= gelic_net_get_rx_csum,
+	.set_rx_csum	= gelic_net_set_rx_csum,
+};
+
+static void gelic_wl_setup_netdev_ops(struct net_device *netdev)
+{
+	struct gelic_wl_info *wl;
+	wl = port_wl(netdev_priv(netdev));
+	BUG_ON(!wl);
+	netdev->open = &gelic_wl_open;
+	netdev->stop = &gelic_wl_stop;
+	netdev->hard_start_xmit = &gelic_net_xmit;
+	netdev->set_multicast_list = &gelic_net_set_multi;
+	netdev->change_mtu = &gelic_net_change_mtu;
+	netdev->wireless_data = &wl->wireless_data;
+	netdev->wireless_handlers = &gelic_wl_wext_handler_def;
+	/* tx watchdog */
+	netdev->tx_timeout = &gelic_net_tx_timeout;
+	netdev->watchdog_timeo = GELIC_NET_WATCHDOG_TIMEOUT;
+
+	netdev->ethtool_ops = &gelic_wl_ethtool_ops;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+	netdev->poll_controller = gelic_net_poll_controller;
+#endif
+}
+
+/*
+ * driver probe/remove
+ */
+int gelic_wl_driver_probe(struct gelic_card *card)
+{
+	int ret;
+	struct net_device *netdev;
+
+	pr_debug("%s:start\n", __func__);
+
+	if (ps3_compare_firmware_version(1, 6, 0) < 0)
+		return 0;
+	if (!card->vlan[GELIC_PORT_WIRELESS].tx)
+		return 0;
+
+	/* alloc netdevice for wireless */
+	netdev = gelic_wl_alloc(card);
+	if (!netdev)
+		return -ENOMEM;
+
+	/* setup net_device structure */
+	gelic_wl_setup_netdev_ops(netdev);
+
+	/* setup some of net_device and register it */
+	ret = gelic_net_setup_netdev(netdev, card);
+	if (ret)
+		goto fail_setup;
+	card->netdev[GELIC_PORT_WIRELESS] = netdev;
+
+	/* add enable wireless interrupt */
+	card->irq_mask |= GELIC_CARD_WLAN_EVENT_RECEIVED |
+		GELIC_CARD_WLAN_COMMAND_COMPLETED;
+	/* to allow wireless commands while both interfaces are down */
+	gelic_card_set_irq_mask(card, GELIC_CARD_WLAN_EVENT_RECEIVED |
+				GELIC_CARD_WLAN_COMMAND_COMPLETED);
+	pr_debug("%s:end\n", __func__);
+	return 0;
+
+fail_setup:
+	gelic_wl_free(port_wl(netdev_port(netdev)));
+
+	return ret;
+}
+
+int gelic_wl_driver_remove(struct gelic_card *card)
+{
+	struct gelic_wl_info *wl;
+	struct net_device *netdev;
+
+	pr_debug("%s:start\n", __func__);
+
+	if (ps3_compare_firmware_version(1, 6, 0) < 0)
+		return 0;
+	if (!card->vlan[GELIC_PORT_WIRELESS].tx)
+		return 0;
+
+	netdev = card->netdev[GELIC_PORT_WIRELESS];
+	wl = port_wl(netdev_priv(netdev));
+
+	/* if the interface was not up, but associated */
+	if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
+		gelic_wl_disconnect(netdev);
+
+	complete(&wl->cmd_done_intr);
+
+	/* cancel all work queue */
+	cancel_delayed_work(&wl->assoc_work);
+	cancel_delayed_work(&wl->event_work);
+	flush_workqueue(wl->eurus_cmd_queue);
+	flush_workqueue(wl->event_queue);
+
+	unregister_netdev(netdev);
+
+	/* disable wireless interrupt */
+	pr_debug("%s: disable intr\n", __func__);
+	card->irq_mask &= ~(GELIC_CARD_WLAN_EVENT_RECEIVED |
+			    GELIC_CARD_WLAN_COMMAND_COMPLETED);
+	/* free bss list, netdev*/
+	gelic_wl_free(wl);
+	pr_debug("%s:end\n", __func__);
+	return 0;
+}