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 00000000000..750d2a99cb4
--- /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->bs