1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 *  PS3 gelic network driver.
   4 *
   5 * Copyright (C) 2007 Sony Computer Entertainment Inc.
   6 * Copyright 2007 Sony Corporation
 
 
 
 
 
 
 
 
 
 
 
 
 
   7 */
   8#undef DEBUG
   9
  10#include <linux/kernel.h>
  11#include <linux/module.h>
  12#include <linux/slab.h>
  13
  14#include <linux/etherdevice.h>
  15#include <linux/ethtool.h>
  16#include <linux/if_vlan.h>
  17
  18#include <linux/in.h>
  19#include <linux/ip.h>
  20#include <linux/tcp.h>
  21#include <linux/wireless.h>
  22#include <linux/ieee80211.h>
  23#include <linux/if_arp.h>
  24#include <linux/ctype.h>
  25#include <linux/string.h>
  26#include <net/iw_handler.h>
  27
  28#include <linux/dma-mapping.h>
  29#include <net/checksum.h>
  30#include <asm/firmware.h>
  31#include <asm/ps3.h>
  32#include <asm/lv1call.h>
  33
  34#include "ps3_gelic_net.h"
  35#include "ps3_gelic_wireless.h"
  36
  37
  38static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan,
  39			       u8 *essid, size_t essid_len);
  40static int gelic_wl_try_associate(struct net_device *netdev);
  41
  42/*
  43 * tables
  44 */
  45
  46/* 802.11b/g channel to freq in MHz */
  47static const int channel_freq[] = {
  48	2412, 2417, 2422, 2427, 2432,
  49	2437, 2442, 2447, 2452, 2457,
  50	2462, 2467, 2472, 2484
  51};
  52#define NUM_CHANNELS ARRAY_SIZE(channel_freq)
  53
  54/* in bps */
  55static const int bitrate_list[] = {
  56	  1000000,
  57	  2000000,
  58	  5500000,
  59	 11000000,
  60	  6000000,
  61	  9000000,
  62	 12000000,
  63	 18000000,
  64	 24000000,
  65	 36000000,
  66	 48000000,
  67	 54000000
  68};
  69#define NUM_BITRATES ARRAY_SIZE(bitrate_list)
  70
  71/*
  72 * wpa2 support requires the hypervisor version 2.0 or later
  73 */
  74static inline int wpa2_capable(void)
  75{
  76	return 0 <= ps3_compare_firmware_version(2, 0, 0);
  77}
  78
  79static inline int precise_ie(void)
  80{
  81	return 0 <= ps3_compare_firmware_version(2, 2, 0);
  82}
  83/*
  84 * post_eurus_cmd helpers
  85 */
  86struct eurus_cmd_arg_info {
  87	int pre_arg; /* command requires arg1, arg2 at POST COMMAND */
  88	int post_arg; /* command requires arg1, arg2 at GET_RESULT */
  89};
  90
  91static const struct eurus_cmd_arg_info cmd_info[GELIC_EURUS_CMD_MAX_INDEX] = {
  92	[GELIC_EURUS_CMD_SET_COMMON_CFG] = { .pre_arg = 1},
  93	[GELIC_EURUS_CMD_SET_WEP_CFG]    = { .pre_arg = 1},
  94	[GELIC_EURUS_CMD_SET_WPA_CFG]    = { .pre_arg = 1},
  95	[GELIC_EURUS_CMD_GET_COMMON_CFG] = { .post_arg = 1},
  96	[GELIC_EURUS_CMD_GET_WEP_CFG]    = { .post_arg = 1},
  97	[GELIC_EURUS_CMD_GET_WPA_CFG]    = { .post_arg = 1},
  98	[GELIC_EURUS_CMD_GET_RSSI_CFG]   = { .post_arg = 1},
  99	[GELIC_EURUS_CMD_START_SCAN]     = { .pre_arg = 1},
 100	[GELIC_EURUS_CMD_GET_SCAN]       = { .post_arg = 1},
 101};
 102
 103#ifdef DEBUG
 104static const char *cmdstr(enum gelic_eurus_command ix)
 105{
 106	switch (ix) {
 107	case GELIC_EURUS_CMD_ASSOC:
 108		return "ASSOC";
 109	case GELIC_EURUS_CMD_DISASSOC:
 110		return "DISASSOC";
 111	case GELIC_EURUS_CMD_START_SCAN:
 112		return "SCAN";
 113	case GELIC_EURUS_CMD_GET_SCAN:
 114		return "GET SCAN";
 115	case GELIC_EURUS_CMD_SET_COMMON_CFG:
 116		return "SET_COMMON_CFG";
 117	case GELIC_EURUS_CMD_GET_COMMON_CFG:
 118		return "GET_COMMON_CFG";
 119	case GELIC_EURUS_CMD_SET_WEP_CFG:
 120		return "SET_WEP_CFG";
 121	case GELIC_EURUS_CMD_GET_WEP_CFG:
 122		return "GET_WEP_CFG";
 123	case GELIC_EURUS_CMD_SET_WPA_CFG:
 124		return "SET_WPA_CFG";
 125	case GELIC_EURUS_CMD_GET_WPA_CFG:
 126		return "GET_WPA_CFG";
 127	case GELIC_EURUS_CMD_GET_RSSI_CFG:
 128		return "GET_RSSI";
 129	default:
 130		break;
 131	}
 132	return "";
 133};
 134#else
 135static inline const char *cmdstr(enum gelic_eurus_command ix)
 136{
 137	return "";
 138}
 139#endif
 140
 141/* synchronously do eurus commands */
 142static void gelic_eurus_sync_cmd_worker(struct work_struct *work)
 143{
 144	struct gelic_eurus_cmd *cmd;
 145	struct gelic_card *card;
 146	struct gelic_wl_info *wl;
 147
 148	u64 arg1, arg2;
 149
 150	pr_debug("%s: <-\n", __func__);
 151	cmd = container_of(work, struct gelic_eurus_cmd, work);
 152	BUG_ON(cmd_info[cmd->cmd].pre_arg &&
 153	       cmd_info[cmd->cmd].post_arg);
 154	wl = cmd->wl;
 155	card = port_to_card(wl_port(wl));
 156
 157	if (cmd_info[cmd->cmd].pre_arg) {
 158		arg1 = (cmd->buffer) ?
 159			ps3_mm_phys_to_lpar(__pa(cmd->buffer)) :
 160			0;
 161		arg2 = cmd->buf_size;
 162	} else {
 163		arg1 = 0;
 164		arg2 = 0;
 165	}
 166	init_completion(&wl->cmd_done_intr);
 167	pr_debug("%s: cmd='%s' start\n", __func__, cmdstr(cmd->cmd));
 168	cmd->status = lv1_net_control(bus_id(card), dev_id(card),
 169				      GELIC_LV1_POST_WLAN_CMD,
 170				      cmd->cmd, arg1, arg2,
 171				      &cmd->tag, &cmd->size);
 172	if (cmd->status) {
 173		complete(&cmd->done);
 174		pr_info("%s: cmd issue failed\n", __func__);
 175		return;
 176	}
 177
 178	wait_for_completion(&wl->cmd_done_intr);
 179
 180	if (cmd_info[cmd->cmd].post_arg) {
 181		arg1 = ps3_mm_phys_to_lpar(__pa(cmd->buffer));
 182		arg2 = cmd->buf_size;
 183	} else {
 184		arg1 = 0;
 185		arg2 = 0;
 186	}
 187
 188	cmd->status = lv1_net_control(bus_id(card), dev_id(card),
 189				      GELIC_LV1_GET_WLAN_CMD_RESULT,
 190				      cmd->tag, arg1, arg2,
 191				      &cmd->cmd_status, &cmd->size);
 192#ifdef DEBUG
 193	if (cmd->status || cmd->cmd_status) {
 194	pr_debug("%s: cmd done tag=%#lx arg1=%#lx, arg2=%#lx\n", __func__,
 195		 cmd->tag, arg1, arg2);
 196	pr_debug("%s: cmd done status=%#x cmd_status=%#lx size=%#lx\n",
 197		 __func__, cmd->status, cmd->cmd_status, cmd->size);
 198	}
 199#endif
 200	complete(&cmd->done);
 201	pr_debug("%s: cmd='%s' done\n", __func__, cmdstr(cmd->cmd));
 202}
 203
 204static struct gelic_eurus_cmd *gelic_eurus_sync_cmd(struct gelic_wl_info *wl,
 205						    unsigned int eurus_cmd,
 206						    void *buffer,
 207						    unsigned int buf_size)
 208{
 209	struct gelic_eurus_cmd *cmd;
 210
 211	/* allocate cmd */
 212	cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
 213	if (!cmd)
 214		return NULL;
 215
 216	/* initialize members */
 217	cmd->cmd = eurus_cmd;
 218	cmd->buffer = buffer;
 219	cmd->buf_size = buf_size;
 220	cmd->wl = wl;
 221	INIT_WORK(&cmd->work, gelic_eurus_sync_cmd_worker);
 222	init_completion(&cmd->done);
 223	queue_work(wl->eurus_cmd_queue, &cmd->work);
 224
 225	/* wait for command completion */
 226	wait_for_completion(&cmd->done);
 227
 228	return cmd;
 229}
 230
 231static u32 gelic_wl_get_link(struct net_device *netdev)
 232{
 233	struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
 234	u32 ret;
 235
 236	pr_debug("%s: <-\n", __func__);
 237	mutex_lock(&wl->assoc_stat_lock);
 238	if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
 239		ret = 1;
 240	else
 241		ret = 0;
 242	mutex_unlock(&wl->assoc_stat_lock);
 243	pr_debug("%s: ->\n", __func__);
 244	return ret;
 245}
 246
 247static void gelic_wl_send_iwap_event(struct gelic_wl_info *wl, u8 *bssid)
 248{
 249	union iwreq_data data;
 250
 251	memset(&data, 0, sizeof(data));
 252	if (bssid)
 253		memcpy(data.ap_addr.sa_data, bssid, ETH_ALEN);
 254	data.ap_addr.sa_family = ARPHRD_ETHER;
 255	wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWAP,
 256			    &data, NULL);
 257}
 258
 259/*
 260 * wireless extension handlers and helpers
 261 */
 262
 263/* SIOGIWNAME */
 264static int gelic_wl_get_name(struct net_device *dev,
 265			     struct iw_request_info *info,
 266			     union iwreq_data *iwreq, char *extra)
 267{
 268	strcpy(iwreq->name, "IEEE 802.11bg");
 269	return 0;
 270}
 271
 272static void gelic_wl_get_ch_info(struct gelic_wl_info *wl)
 273{
 274	struct gelic_card *card = port_to_card(wl_port(wl));
 275	u64 ch_info_raw, tmp;
 276	int status;
 277
 278	if (!test_and_set_bit(GELIC_WL_STAT_CH_INFO, &wl->stat)) {
 279		status = lv1_net_control(bus_id(card), dev_id(card),
 280					 GELIC_LV1_GET_CHANNEL, 0, 0, 0,
 281					 &ch_info_raw,
 282					 &tmp);
 283		/* some fw versions may return error */
 284		if (status) {
 285			if (status != LV1_NO_ENTRY)
 286				pr_info("%s: available ch unknown\n", __func__);
 287			wl->ch_info = 0x07ff;/* 11 ch */
 288		} else
 289			/* 16 bits of MSB has available channels */
 290			wl->ch_info = ch_info_raw >> 48;
 291	}
 292}
 293
 294/* SIOGIWRANGE */
 295static int gelic_wl_get_range(struct net_device *netdev,
 296			      struct iw_request_info *info,
 297			      union iwreq_data *iwreq, char *extra)
 298{
 299	struct iw_point *point = &iwreq->data;
 300	struct iw_range *range = (struct iw_range *)extra;
 301	struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
 302	unsigned int i, chs;
 303
 304	pr_debug("%s: <-\n", __func__);
 305	point->length = sizeof(struct iw_range);
 306	memset(range, 0, sizeof(struct iw_range));
 307
 308	range->we_version_compiled = WIRELESS_EXT;
 309	range->we_version_source = 22;
 310
 311	/* available channels and frequencies */
 312	gelic_wl_get_ch_info(wl);
 313
 314	for (i = 0, chs = 0;
 315	     i < NUM_CHANNELS && chs < IW_MAX_FREQUENCIES; i++)
 316		if (wl->ch_info & (1 << i)) {
 317			range->freq[chs].i = i + 1;
 318			range->freq[chs].m = channel_freq[i];
 319			range->freq[chs].e = 6;
 320			chs++;
 321		}
 322	range->num_frequency = chs;
 323	range->old_num_frequency = chs;
 324	range->num_channels = chs;
 325	range->old_num_channels = chs;
 326
 327	/* bitrates */
 328	for (i = 0; i < NUM_BITRATES; i++)
 329		range->bitrate[i] = bitrate_list[i];
 330	range->num_bitrates = i;
 331
 332	/* signal levels */
 333	range->max_qual.qual = 100; /* relative value */
 334	range->max_qual.level = 100;
 335	range->avg_qual.qual = 50;
 336	range->avg_qual.level = 50;
 337	range->sensitivity = 0;
 338
 339	/* Event capability */
 340	IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
 341	IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
 342	IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
 343
 344	/* encryption capability */
 345	range->enc_capa = IW_ENC_CAPA_WPA |
 346		IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP |
 347		IW_ENC_CAPA_4WAY_HANDSHAKE;
 348	if (wpa2_capable())
 349		range->enc_capa |= IW_ENC_CAPA_WPA2;
 350	range->encoding_size[0] = 5;	/* 40bit WEP */
 351	range->encoding_size[1] = 13;	/* 104bit WEP */
 352	range->encoding_size[2] = 32;	/* WPA-PSK */
 353	range->num_encoding_sizes = 3;
 354	range->max_encoding_tokens = GELIC_WEP_KEYS;
 355
 356	/* scan capability */
 357	range->scan_capa = IW_SCAN_CAPA_ESSID;
 358
 359	pr_debug("%s: ->\n", __func__);
 360	return 0;
 361
 362}
 363
 364/* SIOC{G,S}IWSCAN */
 365static int gelic_wl_set_scan(struct net_device *netdev,
 366			   struct iw_request_info *info,
 367			   union iwreq_data *wrqu, char *extra)
 368{
 369	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
 370	struct iw_scan_req *req;
 371	u8 *essid = NULL;
 372	size_t essid_len = 0;
 373
 374	if (wrqu->data.length == sizeof(struct iw_scan_req) &&
 375	    wrqu->data.flags & IW_SCAN_THIS_ESSID) {
 376		req = (struct iw_scan_req*)extra;
 377		essid = req->essid;
 378		essid_len = req->essid_len;
 379		pr_debug("%s: ESSID scan =%s\n", __func__, essid);
 380	}
 381	return gelic_wl_start_scan(wl, 1, essid, essid_len);
 382}
 383
 384#define OUI_LEN 3
 385static const u8 rsn_oui[OUI_LEN] = { 0x00, 0x0f, 0xac };
 386static const u8 wpa_oui[OUI_LEN] = { 0x00, 0x50, 0xf2 };
 387
 388/*
 389 * synthesize WPA/RSN IE data
 390 * See WiFi WPA specification and IEEE 802.11-2007 7.3.2.25
 391 * for the format
 392 */
 393static size_t gelic_wl_synthesize_ie(u8 *buf,
 394				     struct gelic_eurus_scan_info *scan)
 395{
 396
 397	const u8 *oui_header;
 398	u8 *start = buf;
 399	int rsn;
 400	int ccmp;
 401
 402	pr_debug("%s: <- sec=%16x\n", __func__, scan->security);
 403	switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_MASK) {
 404	case GELIC_EURUS_SCAN_SEC_WPA:
 405		rsn = 0;
 406		break;
 407	case GELIC_EURUS_SCAN_SEC_WPA2:
 408		rsn = 1;
 409		break;
 410	default:
 411		/* WEP or none.  No IE returned */
 412		return 0;
 413	}
 414
 415	switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_WPA_MASK) {
 416	case GELIC_EURUS_SCAN_SEC_WPA_TKIP:
 417		ccmp = 0;
 418		break;
 419	case GELIC_EURUS_SCAN_SEC_WPA_AES:
 420		ccmp = 1;
 421		break;
 422	default:
 423		if (rsn) {
 424			ccmp = 1;
 425			pr_info("%s: no cipher info. defaulted to CCMP\n",
 426				__func__);
 427		} else {
 428			ccmp = 0;
 429			pr_info("%s: no cipher info. defaulted to TKIP\n",
 430				__func__);
 431		}
 432	}
 433
 434	if (rsn)
 435		oui_header = rsn_oui;
 436	else
 437		oui_header = wpa_oui;
 438
 439	/* element id */
 440	if (rsn)
 441		*buf++ = WLAN_EID_RSN;
 442	else
 443		*buf++ = WLAN_EID_VENDOR_SPECIFIC;
 444
 445	/* length filed; set later */
 446	buf++;
 447
 448	/* wpa special header */
 449	if (!rsn) {
 450		memcpy(buf, wpa_oui, OUI_LEN);
 451		buf += OUI_LEN;
 452		*buf++ = 0x01;
 453	}
 454
 455	/* version */
 456	*buf++ = 0x01; /* version 1.0 */
 457	*buf++ = 0x00;
 458
 459	/* group cipher */
 460	memcpy(buf, oui_header, OUI_LEN);
 461	buf += OUI_LEN;
 462
 463	if (ccmp)
 464		*buf++ = 0x04; /* CCMP */
 465	else
 466		*buf++ = 0x02; /* TKIP */
 467
 468	/* pairwise key count always 1 */
 469	*buf++ = 0x01;
 470	*buf++ = 0x00;
 471
 472	/* pairwise key suit */
 473	memcpy(buf, oui_header, OUI_LEN);
 474	buf += OUI_LEN;
 475	if (ccmp)
 476		*buf++ = 0x04; /* CCMP */
 477	else
 478		*buf++ = 0x02; /* TKIP */
 479
 480	/* AKM count is 1 */
 481	*buf++ = 0x01;
 482	*buf++ = 0x00;
 483
 484	/* AKM suite is assumed as PSK*/
 485	memcpy(buf, oui_header, OUI_LEN);
 486	buf += OUI_LEN;
 487	*buf++ = 0x02; /* PSK */
 488
 489	/* RSN capabilities is 0 */
 490	*buf++ = 0x00;
 491	*buf++ = 0x00;
 492
 493	/* set length field */
 494	start[1] = (buf - start - 2);
 495
 496	pr_debug("%s: ->\n", __func__);
 497	return buf - start;
 498}
 499
 500struct ie_item {
 501	u8 *data;
 502	u8 len;
 503};
 504
 505struct ie_info {
 506	struct ie_item wpa;
 507	struct ie_item rsn;
 508};
 509
 510static void gelic_wl_parse_ie(u8 *data, size_t len,
 511			      struct ie_info *ie_info)
 512{
 513	size_t data_left = len;
 514	u8 *pos = data;
 515	u8 item_len;
 516	u8 item_id;
 517
 518	pr_debug("%s: data=%p len=%ld\n", __func__,
 519		 data, len);
 520	memset(ie_info, 0, sizeof(struct ie_info));
 521
 522	while (2 <= data_left) {
 523		item_id = *pos++;
 524		item_len = *pos++;
 525		data_left -= 2;
 526
 527		if (data_left < item_len)
 528			break;
 529
 530		switch (item_id) {
 531		case WLAN_EID_VENDOR_SPECIFIC:
 532			if ((OUI_LEN + 1 <= item_len) &&
 533			    !memcmp(pos, wpa_oui, OUI_LEN) &&
 534			    pos[OUI_LEN] == 0x01) {
 535				ie_info->wpa.data = pos - 2;
 536				ie_info->wpa.len = item_len + 2;
 537			}
 538			break;
 539		case WLAN_EID_RSN:
 540			ie_info->rsn.data = pos - 2;
 541			/* length includes the header */
 542			ie_info->rsn.len = item_len + 2;
 543			break;
 544		default:
 545			pr_debug("%s: ignore %#x,%d\n", __func__,
 546				 item_id, item_len);
 547			break;
 548		}
 549		pos += item_len;
 550		data_left -= item_len;
 551	}
 552	pr_debug("%s: wpa=%p,%d wpa2=%p,%d\n", __func__,
 553		 ie_info->wpa.data, ie_info->wpa.len,
 554		 ie_info->rsn.data, ie_info->rsn.len);
 555}
 556
 557
 558/*
 559 * translate the scan informations from hypervisor to a
 560 * independent format
 561 */
 562static char *gelic_wl_translate_scan(struct net_device *netdev,
 563				     struct iw_request_info *info,
 564				     char *ev,
 565				     char *stop,
 566				     struct gelic_wl_scan_info *network)
 567{
 568	struct iw_event iwe;
 569	struct gelic_eurus_scan_info *scan = network->hwinfo;
 570	char *tmp;
 571	u8 rate;
 572	unsigned int i, j, len;
 573	u8 buf[64]; /* arbitrary size large enough */
 574
 575	pr_debug("%s: <-\n", __func__);
 576
 577	/* first entry should be AP's mac address */
 578	iwe.cmd = SIOCGIWAP;
 579	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
 580	memcpy(iwe.u.ap_addr.sa_data, &scan->bssid[2], ETH_ALEN);
 581	ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_ADDR_LEN);
 582
 583	/* ESSID */
 584	iwe.cmd = SIOCGIWESSID;
 585	iwe.u.data.flags = 1;
 586	iwe.u.data.length = strnlen(scan->essid, 32);
 587	ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid);
 588
 589	/* FREQUENCY */
 590	iwe.cmd = SIOCGIWFREQ;
 591	iwe.u.freq.m = be16_to_cpu(scan->channel);
 592	iwe.u.freq.e = 0; /* table value in MHz */
 593	iwe.u.freq.i = 0;
 594	ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_FREQ_LEN);
 595
 596	/* RATES */
 597	iwe.cmd = SIOCGIWRATE;
 598	iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
 599	/* to stuff multiple values in one event */
 600	tmp = ev + iwe_stream_lcp_len(info);
 601	/* put them in ascendant order (older is first) */
 602	i = 0;
 603	j = 0;
 604	pr_debug("%s: rates=%d rate=%d\n", __func__,
 605		 network->rate_len, network->rate_ext_len);
 606	while (i < network->rate_len) {
 607		if (j < network->rate_ext_len &&
 608		    ((scan->ext_rate[j] & 0x7f) < (scan->rate[i] & 0x7f)))
 609		    rate = scan->ext_rate[j++] & 0x7f;
 610		else
 611		    rate = scan->rate[i++] & 0x7f;
 612		iwe.u.bitrate.value = rate * 500000; /* 500kbps unit */
 613		tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe,
 614					   IW_EV_PARAM_LEN);
 615	}
 616	while (j < network->rate_ext_len) {
 617		iwe.u.bitrate.value = (scan->ext_rate[j++] & 0x7f) * 500000;
 618		tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe,
 619					   IW_EV_PARAM_LEN);
 620	}
 621	/* Check if we added any rate */
 622	if (iwe_stream_lcp_len(info) < (tmp - ev))
 623		ev = tmp;
 624
 625	/* ENCODE */
 626	iwe.cmd = SIOCGIWENCODE;
 627	if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_PRIVACY)
 628		iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
 629	else
 630		iwe.u.data.flags = IW_ENCODE_DISABLED;
 631	iwe.u.data.length = 0;
 632	ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid);
 633
 634	/* MODE */
 635	iwe.cmd = SIOCGIWMODE;
 636	if (be16_to_cpu(scan->capability) &
 637	    (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) {
 638		if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_ESS)
 639			iwe.u.mode = IW_MODE_MASTER;
 640		else
 641			iwe.u.mode = IW_MODE_ADHOC;
 642		ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_UINT_LEN);
 643	}
 644
 645	/* QUAL */
 646	iwe.cmd = IWEVQUAL;
 647	iwe.u.qual.updated  = IW_QUAL_ALL_UPDATED |
 648			IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
 649	iwe.u.qual.level = be16_to_cpu(scan->rssi);
 650	iwe.u.qual.qual = be16_to_cpu(scan->rssi);
 651	iwe.u.qual.noise = 0;
 652	ev  = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_QUAL_LEN);
 653
 654	/* RSN */
 655	memset(&iwe, 0, sizeof(iwe));
 656	if (be16_to_cpu(scan->size) <= sizeof(*scan)) {
 657		/* If wpa[2] capable station, synthesize IE and put it */
 658		len = gelic_wl_synthesize_ie(buf, scan);
 659		if (len) {
 660			iwe.cmd = IWEVGENIE;
 661			iwe.u.data.length = len;
 662			ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
 663		}
 664	} else {
 665		/* this scan info has IE data */
 666		struct ie_info ie_info;
 667		size_t data_len;
 668
 669		data_len = be16_to_cpu(scan->size) - sizeof(*scan);
 670
 671		gelic_wl_parse_ie(scan->elements, data_len, &ie_info);
 672
 673		if (ie_info.wpa.len && (ie_info.wpa.len <= sizeof(buf))) {
 674			memcpy(buf, ie_info.wpa.data, ie_info.wpa.len);
 675			iwe.cmd = IWEVGENIE;
 676			iwe.u.data.length = ie_info.wpa.len;
 677			ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
 678		}
 679
 680		if (ie_info.rsn.len && (ie_info.rsn.len <= sizeof(buf))) {
 681			memset(&iwe, 0, sizeof(iwe));
 682			memcpy(buf, ie_info.rsn.data, ie_info.rsn.len);
 683			iwe.cmd = IWEVGENIE;
 684			iwe.u.data.length = ie_info.rsn.len;
 685			ev = iwe_stream_add_point(info, ev, stop, &iwe, buf);
 686		}
 687	}
 688
 689	pr_debug("%s: ->\n", __func__);
 690	return ev;
 691}
 692
 693
 694static int gelic_wl_get_scan(struct net_device *netdev,
 695			     struct iw_request_info *info,
 696			     union iwreq_data *wrqu, char *extra)
 697{
 698	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
 699	struct gelic_wl_scan_info *scan_info;
 700	char *ev = extra;
 701	char *stop = ev + wrqu->data.length;
 702	int ret = 0;
 703	unsigned long this_time = jiffies;
 704
 705	pr_debug("%s: <-\n", __func__);
 706	if (mutex_lock_interruptible(&wl->scan_lock))
 707		return -EAGAIN;
 708
 709	switch (wl->scan_stat) {
 710	case GELIC_WL_SCAN_STAT_SCANNING:
 711		/* If a scan in progress, caller should call me again */
 712		ret = -EAGAIN;
 713		goto out;
 714	case GELIC_WL_SCAN_STAT_INIT:
 715		/* last scan request failed or never issued */
 716		ret = -ENODEV;
 717		goto out;
 718	case GELIC_WL_SCAN_STAT_GOT_LIST:
 719		/* ok, use current list */
 720		break;
 721	}
 722
 723	list_for_each_entry(scan_info, &wl->network_list, list) {
 724		if (wl->scan_age == 0 ||
 725		    time_after(scan_info->last_scanned + wl->scan_age,
 726			       this_time))
 727			ev = gelic_wl_translate_scan(netdev, info,
 728						     ev, stop,
 729						     scan_info);
 730		else
 731			pr_debug("%s:entry too old\n", __func__);
 732
 733		if (stop - ev <= IW_EV_ADDR_LEN) {
 734			ret = -E2BIG;
 735			goto out;
 736		}
 737	}
 738
 739	wrqu->data.length = ev - extra;
 740	wrqu->data.flags = 0;
 741out:
 742	mutex_unlock(&wl->scan_lock);
 743	pr_debug("%s: -> %d %d\n", __func__, ret, wrqu->data.length);
 744	return ret;
 745}
 746
 747#ifdef DEBUG
 748static void scan_list_dump(struct gelic_wl_info *wl)
 749{
 750	struct gelic_wl_scan_info *scan_info;
 751	int i;
 752
 753	i = 0;
 754	list_for_each_entry(scan_info, &wl->network_list, list) {
 755		pr_debug("%s: item %d\n", __func__, i++);
 756		pr_debug("valid=%d eurusindex=%d last=%lx\n",
 757			 scan_info->valid, scan_info->eurus_index,
 758			 scan_info->last_scanned);
 759		pr_debug("r_len=%d r_ext_len=%d essid_len=%d\n",
 760			 scan_info->rate_len, scan_info->rate_ext_len,
 761			 scan_info->essid_len);
 762		/* -- */
 763		pr_debug("bssid=%pM\n", &scan_info->hwinfo->bssid[2]);
 764		pr_debug("essid=%s\n", scan_info->hwinfo->essid);
 765	}
 766}
 767#endif
 768
 769static int gelic_wl_set_auth(struct net_device *netdev,
 770			     struct iw_request_info *info,
 771			     union iwreq_data *data, char *extra)
 772{
 773	struct iw_param *param = &data->param;
 774	struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
 775	unsigned long irqflag;
 776	int ret = 0;
 777
 778	pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
 779	spin_lock_irqsave(&wl->lock, irqflag);
 780	switch (param->flags & IW_AUTH_INDEX) {
 781	case IW_AUTH_WPA_VERSION:
 782		if (param->value & IW_AUTH_WPA_VERSION_DISABLED) {
 783			pr_debug("%s: NO WPA selected\n", __func__);
 784			wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
 785			wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
 786			wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
 787		}
 788		if (param->value & IW_AUTH_WPA_VERSION_WPA) {
 789			pr_debug("%s: WPA version 1 selected\n", __func__);
 790			wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
 791			wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
 792			wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
 793			wl->auth_method = GELIC_EURUS_AUTH_OPEN;
 794		}
 795		if (param->value & IW_AUTH_WPA_VERSION_WPA2) {
 796			/*
 797			 * As the hypervisor may not tell the cipher
 798			 * information of the AP if it is WPA2,
 799			 * you will not decide suitable cipher from
 800			 * its beacon.
 801			 * You should have knowledge about the AP's
 802			 * cipher information in other method prior to
 803			 * the association.
 804			 */
 805			if (!precise_ie())
 806				pr_info("%s: WPA2 may not work\n", __func__);
 807			if (wpa2_capable()) {
 808				wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA2;
 809				wl->group_cipher_method = GELIC_WL_CIPHER_AES;
 810				wl->pairwise_cipher_method =
 811					GELIC_WL_CIPHER_AES;
 812				wl->auth_method = GELIC_EURUS_AUTH_OPEN;
 813			} else
 814				ret = -EINVAL;
 815		}
 816		break;
 817
 818	case IW_AUTH_CIPHER_PAIRWISE:
 819		if (param->value &
 820		    (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
 821			pr_debug("%s: WEP selected\n", __func__);
 822			wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
 823		}
 824		if (param->value & IW_AUTH_CIPHER_TKIP) {
 825			pr_debug("%s: TKIP selected\n", __func__);
 826			wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP;
 827		}
 828		if (param->value & IW_AUTH_CIPHER_CCMP) {
 829			pr_debug("%s: CCMP selected\n", __func__);
 830			wl->pairwise_cipher_method = GELIC_WL_CIPHER_AES;
 831		}
 832		if (param->value & IW_AUTH_CIPHER_NONE) {
 833			pr_debug("%s: no auth selected\n", __func__);
 834			wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
 835		}
 836		break;
 837	case IW_AUTH_CIPHER_GROUP:
 838		if (param->value &
 839		    (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) {
 840			pr_debug("%s: WEP selected\n", __func__);
 841			wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
 842		}
 843		if (param->value & IW_AUTH_CIPHER_TKIP) {
 844			pr_debug("%s: TKIP selected\n", __func__);
 845			wl->group_cipher_method = GELIC_WL_CIPHER_TKIP;
 846		}
 847		if (param->value & IW_AUTH_CIPHER_CCMP) {
 848			pr_debug("%s: CCMP selected\n", __func__);
 849			wl->group_cipher_method = GELIC_WL_CIPHER_AES;
 850		}
 851		if (param->value & IW_AUTH_CIPHER_NONE) {
 852			pr_debug("%s: no auth selected\n", __func__);
 853			wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
 854		}
 855		break;
 856	case IW_AUTH_80211_AUTH_ALG:
 857		if (param->value & IW_AUTH_ALG_SHARED_KEY) {
 858			pr_debug("%s: shared key specified\n", __func__);
 859			wl->auth_method = GELIC_EURUS_AUTH_SHARED;
 860		} else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) {
 861			pr_debug("%s: open system specified\n", __func__);
 862			wl->auth_method = GELIC_EURUS_AUTH_OPEN;
 863		} else
 864			ret = -EINVAL;
 865		break;
 866
 867	case IW_AUTH_WPA_ENABLED:
 868		if (param->value) {
 869			pr_debug("%s: WPA enabled\n", __func__);
 870			wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA;
 871		} else {
 872			pr_debug("%s: WPA disabled\n", __func__);
 873			wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
 874		}
 875		break;
 876
 877	case IW_AUTH_KEY_MGMT:
 878		if (param->value & IW_AUTH_KEY_MGMT_PSK)
 879			break;
 880		fallthrough;
 881	default:
 882		ret = -EOPNOTSUPP;
 883		break;
 884	}
 885
 886	if (!ret)
 887		set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
 888
 889	spin_unlock_irqrestore(&wl->lock, irqflag);
 890	pr_debug("%s: -> %d\n", __func__, ret);
 891	return ret;
 892}
 893
 894static int gelic_wl_get_auth(struct net_device *netdev,
 895			     struct iw_request_info *info,
 896			     union iwreq_data *iwreq, char *extra)
 897{
 898	struct iw_param *param = &iwreq->param;
 899	struct gelic_wl_info *wl = port_wl(netdev_port(netdev));
 900	unsigned long irqflag;
 901	int ret = 0;
 902
 903	pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX);
 904	spin_lock_irqsave(&wl->lock, irqflag);
 905	switch (param->flags & IW_AUTH_INDEX) {
 906	case IW_AUTH_WPA_VERSION:
 907		switch (wl->wpa_level) {
 908		case GELIC_WL_WPA_LEVEL_WPA:
 909			param->value |= IW_AUTH_WPA_VERSION_WPA;
 910			break;
 911		case GELIC_WL_WPA_LEVEL_WPA2:
 912			param->value |= IW_AUTH_WPA_VERSION_WPA2;
 913			break;
 914		default:
 915			param->value |= IW_AUTH_WPA_VERSION_DISABLED;
 916		}
 917		break;
 918
 919	case IW_AUTH_80211_AUTH_ALG:
 920		if (wl->auth_method == GELIC_EURUS_AUTH_SHARED)
 921			param->value = IW_AUTH_ALG_SHARED_KEY;
 922		else if (wl->auth_method == GELIC_EURUS_AUTH_OPEN)
 923			param->value = IW_AUTH_ALG_OPEN_SYSTEM;
 924		break;
 925
 926	case IW_AUTH_WPA_ENABLED:
 927		switch (wl->wpa_level) {
 928		case GELIC_WL_WPA_LEVEL_WPA:
 929		case GELIC_WL_WPA_LEVEL_WPA2:
 930			param->value = 1;
 931			break;
 932		default:
 933			param->value = 0;
 934			break;
 935		}
 936		break;
 937	default:
 938		ret = -EOPNOTSUPP;
 939	}
 940
 941	spin_unlock_irqrestore(&wl->lock, irqflag);
 942	pr_debug("%s: -> %d\n", __func__, ret);
 943	return ret;
 944}
 945
 946/* SIOC{S,G}IWESSID */
 947static int gelic_wl_set_essid(struct net_device *netdev,
 948			      struct iw_request_info *info,
 949			      union iwreq_data *data, char *extra)
 950{
 951	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
 952	unsigned long irqflag;
 953
 954	pr_debug("%s: <- l=%d f=%d\n", __func__,
 955		 data->essid.length, data->essid.flags);
 956	if (IW_ESSID_MAX_SIZE < data->essid.length)
 957		return -EINVAL;
 958
 959	spin_lock_irqsave(&wl->lock, irqflag);
 960	if (data->essid.flags) {
 961		wl->essid_len = data->essid.length;
 962		memcpy(wl->essid, extra, wl->essid_len);
 963		pr_debug("%s: essid = '%s'\n", __func__, extra);
 964		set_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
 965	} else {
 966		pr_debug("%s: ESSID any\n", __func__);
 967		clear_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat);
 968	}
 969	set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
 970	spin_unlock_irqrestore(&wl->lock, irqflag);
 971
 972
 973	gelic_wl_try_associate(netdev); /* FIXME */
 974	pr_debug("%s: ->\n", __func__);
 975	return 0;
 976}
 977
 978static int gelic_wl_get_essid(struct net_device *netdev,
 979			      struct iw_request_info *info,
 980			      union iwreq_data *data, char *extra)
 981{
 982	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
 983	unsigned long irqflag;
 984
 985	pr_debug("%s: <-\n", __func__);
 986	mutex_lock(&wl->assoc_stat_lock);
 987	spin_lock_irqsave(&wl->lock, irqflag);
 988	if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat) ||
 989	    wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
 990		memcpy(extra, wl->essid, wl->essid_len);
 991		data->essid.length = wl->essid_len;
 992		data->essid.flags = 1;
 993	} else
 994		data->essid.flags = 0;
 995
 996	mutex_unlock(&wl->assoc_stat_lock);
 997	spin_unlock_irqrestore(&wl->lock, irqflag);
 998	pr_debug("%s: -> len=%d\n", __func__, data->essid.length);
 999
1000	return 0;
1001}
1002
1003/* SIO{S,G}IWENCODE */
1004static int gelic_wl_set_encode(struct net_device *netdev,
1005			       struct iw_request_info *info,
1006			       union iwreq_data *data, char *extra)
1007{
1008	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1009	struct iw_point *enc = &data->encoding;
1010	__u16 flags;
1011	unsigned long irqflag;
1012	int key_index, index_specified;
1013	int ret = 0;
1014
1015	pr_debug("%s: <-\n", __func__);
1016	flags = enc->flags & IW_ENCODE_FLAGS;
1017	key_index = enc->flags & IW_ENCODE_INDEX;
1018
1019	pr_debug("%s: key_index = %d\n", __func__, key_index);
1020	pr_debug("%s: key_len = %d\n", __func__, enc->length);
1021	pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1022
1023	if (GELIC_WEP_KEYS < key_index)
1024		return -EINVAL;
1025
1026	spin_lock_irqsave(&wl->lock, irqflag);
1027	if (key_index) {
1028		index_specified = 1;
1029		key_index--;
1030	} else {
1031		index_specified = 0;
1032		key_index = wl->current_key;
1033	}
1034
1035	if (flags & IW_ENCODE_NOKEY) {
1036		/* if just IW_ENCODE_NOKEY, change current key index */
1037		if (!flags && index_specified) {
1038			wl->current_key = key_index;
1039			goto done;
1040		}
1041
1042		if (flags & IW_ENCODE_DISABLED) {
1043			if (!index_specified) {
1044				/* disable encryption */
1045				wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
1046				wl->pairwise_cipher_method =
1047					GELIC_WL_CIPHER_NONE;
1048				/* invalidate all key */
1049				wl->key_enabled = 0;
1050			} else
1051				clear_bit(key_index, &wl->key_enabled);
1052		}
1053
1054		if (flags & IW_ENCODE_OPEN)
1055			wl->auth_method = GELIC_EURUS_AUTH_OPEN;
1056		if (flags & IW_ENCODE_RESTRICTED) {
1057			pr_info("%s: shared key mode enabled\n", __func__);
1058			wl->auth_method = GELIC_EURUS_AUTH_SHARED;
1059		}
1060	} else {
1061		if (IW_ENCODING_TOKEN_MAX < enc->length) {
1062			ret = -EINVAL;
1063			goto done;
1064		}
1065		wl->key_len[key_index] = enc->length;
1066		memcpy(wl->key[key_index], extra, enc->length);
1067		set_bit(key_index, &wl->key_enabled);
1068		wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP;
1069		wl->group_cipher_method = GELIC_WL_CIPHER_WEP;
1070	}
1071	set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
1072done:
1073	spin_unlock_irqrestore(&wl->lock, irqflag);
1074	pr_debug("%s: ->\n", __func__);
1075	return ret;
1076}
1077
1078static int gelic_wl_get_encode(struct net_device *netdev,
1079			       struct iw_request_info *info,
1080			       union iwreq_data *data, char *extra)
1081{
1082	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1083	struct iw_point *enc = &data->encoding;
1084	unsigned long irqflag;
1085	unsigned int key_index;
1086	int ret = 0;
1087
1088	pr_debug("%s: <-\n", __func__);
1089	key_index = enc->flags & IW_ENCODE_INDEX;
1090	pr_debug("%s: flag=%#x point=%p len=%d extra=%p\n", __func__,
1091		 enc->flags, enc->pointer, enc->length, extra);
1092	if (GELIC_WEP_KEYS < key_index)
1093		return -EINVAL;
1094
1095	spin_lock_irqsave(&wl->lock, irqflag);
1096	if (key_index)
 
1097		key_index--;
1098	else
 
1099		key_index = wl->current_key;
 
1100
1101	if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1102		switch (wl->auth_method) {
1103		case GELIC_EURUS_AUTH_OPEN:
1104			enc->flags = IW_ENCODE_OPEN;
1105			break;
1106		case GELIC_EURUS_AUTH_SHARED:
1107			enc->flags = IW_ENCODE_RESTRICTED;
1108			break;
1109		}
1110	} else
1111		enc->flags = IW_ENCODE_DISABLED;
1112
1113	if (test_bit(key_index, &wl->key_enabled)) {
1114		if (enc->length < wl->key_len[key_index]) {
1115			ret = -EINVAL;
1116			goto done;
1117		}
1118		enc->length = wl->key_len[key_index];
1119		memcpy(extra, wl->key[key_index], wl->key_len[key_index]);
1120	} else {
1121		enc->length = 0;
1122		enc->flags |= IW_ENCODE_NOKEY;
1123	}
1124	enc->flags |= key_index + 1;
1125	pr_debug("%s: -> flag=%x len=%d\n", __func__,
1126		 enc->flags, enc->length);
1127
1128done:
1129	spin_unlock_irqrestore(&wl->lock, irqflag);
1130	return ret;
1131}
1132
1133/* SIOC{S,G}IWAP */
1134static int gelic_wl_set_ap(struct net_device *netdev,
1135			   struct iw_request_info *info,
1136			   union iwreq_data *data, char *extra)
1137{
1138	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1139	unsigned long irqflag;
1140
1141	pr_debug("%s: <-\n", __func__);
1142	if (data->ap_addr.sa_family != ARPHRD_ETHER)
1143		return -EINVAL;
1144
1145	spin_lock_irqsave(&wl->lock, irqflag);
1146	if (is_valid_ether_addr(data->ap_addr.sa_data)) {
1147		memcpy(wl->bssid, data->ap_addr.sa_data,
1148		       ETH_ALEN);
1149		set_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
1150		set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
1151		pr_debug("%s: bss=%pM\n", __func__, wl->bssid);
1152	} else {
1153		pr_debug("%s: clear bssid\n", __func__);
1154		clear_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat);
1155		eth_zero_addr(wl->bssid);
1156	}
1157	spin_unlock_irqrestore(&wl->lock, irqflag);
1158	pr_debug("%s: ->\n", __func__);
1159	return 0;
1160}
1161
1162static int gelic_wl_get_ap(struct net_device *netdev,
1163			   struct iw_request_info *info,
1164			   union iwreq_data *data, char *extra)
1165{
1166	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1167	unsigned long irqflag;
1168
1169	pr_debug("%s: <-\n", __func__);
1170	mutex_lock(&wl->assoc_stat_lock);
1171	spin_lock_irqsave(&wl->lock, irqflag);
1172	if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) {
1173		data->ap_addr.sa_family = ARPHRD_ETHER;
1174		memcpy(data->ap_addr.sa_data, wl->active_bssid,
1175		       ETH_ALEN);
1176	} else
1177		eth_zero_addr(data->ap_addr.sa_data);
1178
1179	spin_unlock_irqrestore(&wl->lock, irqflag);
1180	mutex_unlock(&wl->assoc_stat_lock);
1181	pr_debug("%s: ->\n", __func__);
1182	return 0;
1183}
1184
1185/* SIOC{S,G}IWENCODEEXT */
1186static int gelic_wl_set_encodeext(struct net_device *netdev,
1187				  struct iw_request_info *info,
1188				  union iwreq_data *data, char *extra)
1189{
1190	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1191	struct iw_point *enc = &data->encoding;
1192	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1193	__u16 alg;
1194	__u16 flags;
1195	unsigned long irqflag;
1196	int key_index;
1197	int ret = 0;
1198
1199	pr_debug("%s: <-\n", __func__);
1200	flags = enc->flags & IW_ENCODE_FLAGS;
1201	alg = ext->alg;
1202	key_index = enc->flags & IW_ENCODE_INDEX;
1203
1204	pr_debug("%s: key_index = %d\n", __func__, key_index);
1205	pr_debug("%s: key_len = %d\n", __func__, enc->length);
1206	pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1207	pr_debug("%s: ext_flag=%x\n", __func__, ext->ext_flags);
1208	pr_debug("%s: ext_key_len=%x\n", __func__, ext->key_len);
1209
1210	if (GELIC_WEP_KEYS < key_index)
1211		return -EINVAL;
1212
1213	spin_lock_irqsave(&wl->lock, irqflag);
1214	if (key_index)
1215		key_index--;
1216	else
1217		key_index = wl->current_key;
1218
1219	if (!enc->length && (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) {
1220		/* request to change default key index */
1221		pr_debug("%s: request to change default key to %d\n",
1222			 __func__, key_index);
1223		wl->current_key = key_index;
1224		goto done;
1225	}
1226
1227	if (alg == IW_ENCODE_ALG_NONE || (flags & IW_ENCODE_DISABLED)) {
1228		pr_debug("%s: alg disabled\n", __func__);
1229		wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
1230		wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
1231		wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
1232		wl->auth_method = GELIC_EURUS_AUTH_OPEN; /* should be open */
1233	} else if (alg == IW_ENCODE_ALG_WEP) {
1234		pr_debug("%s: WEP requested\n", __func__);
1235		if (flags & IW_ENCODE_OPEN) {
1236			pr_debug("%s: open key mode\n", __func__);
1237			wl->auth_method = GELIC_EURUS_AUTH_OPEN;
1238		}
1239		if (flags & IW_ENCODE_RESTRICTED) {
1240			pr_debug("%s: shared key mode\n", __func__);
1241			wl->auth_method = GELIC_EURUS_AUTH_SHARED;
1242		}
1243		if (IW_ENCODING_TOKEN_MAX < ext->key_len) {
1244			pr_info("%s: key is too long %d\n", __func__,
1245				ext->key_len);
1246			ret = -EINVAL;
1247			goto done;
1248		}
1249		/* OK, update the key */
1250		wl->key_len[key_index] = ext->key_len;
1251		memset(wl->key[key_index], 0, IW_ENCODING_TOKEN_MAX);
1252		memcpy(wl->key[key_index], ext->key, ext->key_len);
1253		set_bit(key_index, &wl->key_enabled);
1254		/* remember wep info changed */
1255		set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat);
1256	} else if (alg == IW_ENCODE_ALG_PMK) {
1257		if (ext->key_len != WPA_PSK_LEN) {
1258			pr_err("%s: PSK length wrong %d\n", __func__,
1259			       ext->key_len);
1260			ret = -EINVAL;
1261			goto done;
1262		}
1263		memset(wl->psk, 0, sizeof(wl->psk));
1264		memcpy(wl->psk, ext->key, ext->key_len);
1265		wl->psk_len = ext->key_len;
1266		wl->psk_type = GELIC_EURUS_WPA_PSK_BIN;
1267		/* remember PSK configured */
1268		set_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat);
1269	}
1270done:
1271	spin_unlock_irqrestore(&wl->lock, irqflag);
1272	pr_debug("%s: ->\n", __func__);
1273	return ret;
1274}
1275
1276static int gelic_wl_get_encodeext(struct net_device *netdev,
1277				  struct iw_request_info *info,
1278				  union iwreq_data *data, char *extra)
1279{
1280	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1281	struct iw_point *enc = &data->encoding;
1282	struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
1283	unsigned long irqflag;
1284	int key_index;
1285	int ret = 0;
1286	int max_key_len;
1287
1288	pr_debug("%s: <-\n", __func__);
1289
1290	max_key_len = enc->length - sizeof(struct iw_encode_ext);
1291	if (max_key_len < 0)
1292		return -EINVAL;
1293	key_index = enc->flags & IW_ENCODE_INDEX;
1294
1295	pr_debug("%s: key_index = %d\n", __func__, key_index);
1296	pr_debug("%s: key_len = %d\n", __func__, enc->length);
1297	pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS);
1298
1299	if (GELIC_WEP_KEYS < key_index)
1300		return -EINVAL;
1301
1302	spin_lock_irqsave(&wl->lock, irqflag);
1303	if (key_index)
1304		key_index--;
1305	else
1306		key_index = wl->current_key;
1307
1308	memset(ext, 0, sizeof(struct iw_encode_ext));
1309	switch (wl->group_cipher_method) {
1310	case GELIC_WL_CIPHER_WEP:
1311		ext->alg = IW_ENCODE_ALG_WEP;
1312		enc->flags |= IW_ENCODE_ENABLED;
1313		break;
1314	case GELIC_WL_CIPHER_TKIP:
1315		ext->alg = IW_ENCODE_ALG_TKIP;
1316		enc->flags |= IW_ENCODE_ENABLED;
1317		break;
1318	case GELIC_WL_CIPHER_AES:
1319		ext->alg = IW_ENCODE_ALG_CCMP;
1320		enc->flags |= IW_ENCODE_ENABLED;
1321		break;
1322	case GELIC_WL_CIPHER_NONE:
1323	default:
1324		ext->alg = IW_ENCODE_ALG_NONE;
1325		enc->flags |= IW_ENCODE_NOKEY;
1326		break;
1327	}
1328
1329	if (!(enc->flags & IW_ENCODE_NOKEY)) {
1330		if (max_key_len < wl->key_len[key_index]) {
1331			ret = -E2BIG;
1332			goto out;
1333		}
1334		if (test_bit(key_index, &wl->key_enabled))
1335			memcpy(ext->key, wl->key[key_index],
1336			       wl->key_len[key_index]);
1337		else
1338			pr_debug("%s: disabled key requested ix=%d\n",
1339				 __func__, key_index);
1340	}
1341out:
1342	spin_unlock_irqrestore(&wl->lock, irqflag);
1343	pr_debug("%s: ->\n", __func__);
1344	return ret;
1345}
1346/* SIOC{S,G}IWMODE */
1347static int gelic_wl_set_mode(struct net_device *netdev,
1348			     struct iw_request_info *info,
1349			     union iwreq_data *data, char *extra)
1350{
1351	__u32 mode = data->mode;
1352	int ret;
1353
1354	pr_debug("%s: <-\n", __func__);
1355	if (mode == IW_MODE_INFRA)
1356		ret = 0;
1357	else
1358		ret = -EOPNOTSUPP;
1359	pr_debug("%s: -> %d\n", __func__, ret);
1360	return ret;
1361}
1362
1363static int gelic_wl_get_mode(struct net_device *netdev,
1364			     struct iw_request_info *info,
1365			     union iwreq_data *data, char *extra)
1366{
1367	__u32 *mode = &data->mode;
1368	pr_debug("%s: <-\n", __func__);
1369	*mode = IW_MODE_INFRA;
1370	pr_debug("%s: ->\n", __func__);
1371	return 0;
1372}
1373
1374/* SIOCGIWNICKN */
1375static int gelic_wl_get_nick(struct net_device *net_dev,
1376				  struct iw_request_info *info,
1377				  union iwreq_data *data, char *extra)
1378{
1379	strcpy(extra, "gelic_wl");
1380	data->data.length = strlen(extra);
1381	data->data.flags = 1;
1382	return 0;
1383}
1384
1385
1386/* --- */
1387
1388static struct iw_statistics *gelic_wl_get_wireless_stats(
1389	struct net_device *netdev)
1390{
1391
1392	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
1393	struct gelic_eurus_cmd *cmd;
1394	struct iw_statistics *is;
1395	struct gelic_eurus_rssi_info *rssi;
1396	void *buf;
1397
1398	pr_debug("%s: <-\n", __func__);
1399
1400	buf = (void *)__get_free_page(GFP_KERNEL);
1401	if (!buf)
1402		return NULL;
1403
1404	is = &wl->iwstat;
1405	memset(is, 0, sizeof(*is));
1406	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_RSSI_CFG,
1407				   buf, sizeof(*rssi));
1408	if (cmd && !cmd->status && !cmd->cmd_status) {
1409		rssi = buf;
1410		is->qual.level = be16_to_cpu(rssi->rssi);
1411		is->qual.updated = IW_QUAL_LEVEL_UPDATED |
1412			IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID;
1413	} else
1414		/* not associated */
1415		is->qual.updated = IW_QUAL_ALL_INVALID;
1416
1417	kfree(cmd);
1418	free_page((unsigned long)buf);
1419	pr_debug("%s: ->\n", __func__);
1420	return is;
1421}
1422
1423/*
1424 *  scanning helpers
1425 */
1426static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan,
1427			       u8 *essid, size_t essid_len)
1428{
1429	struct gelic_eurus_cmd *cmd;
1430	int ret = 0;
1431	void *buf = NULL;
1432	size_t len;
1433
1434	pr_debug("%s: <- always=%d\n", __func__, always_scan);
1435	if (mutex_lock_interruptible(&wl->scan_lock))
1436		return -ERESTARTSYS;
1437
1438	/*
1439	 * If already a scan in progress, do not trigger more
1440	 */
1441	if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING) {
1442		pr_debug("%s: scanning now\n", __func__);
1443		goto out;
1444	}
1445
1446	init_completion(&wl->scan_done);
1447	/*
1448	 * If we have already a bss list, don't try to get new
1449	 * unless we are doing an ESSID scan
1450	 */
1451	if ((!essid_len && !always_scan)
1452	    && wl->scan_stat == GELIC_WL_SCAN_STAT_GOT_LIST) {
1453		pr_debug("%s: already has the list\n", __func__);
1454		complete(&wl->scan_done);
1455		goto out;
1456	}
1457
1458	/* ESSID scan ? */
1459	if (essid_len && essid) {
1460		buf = (void *)__get_free_page(GFP_KERNEL);
1461		if (!buf) {
1462			ret = -ENOMEM;
1463			goto out;
1464		}
1465		len = IW_ESSID_MAX_SIZE; /* hypervisor always requires 32 */
1466		memset(buf, 0, len);
1467		memcpy(buf, essid, essid_len);
1468		pr_debug("%s: essid scan='%s'\n", __func__, (char *)buf);
1469	} else
1470		len = 0;
1471
1472	/*
1473	 * issue start scan request
1474	 */
1475	wl->scan_stat = GELIC_WL_SCAN_STAT_SCANNING;
1476	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_START_SCAN,
1477				   buf, len);
1478	if (!cmd || cmd->status || cmd->cmd_status) {
1479		wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
1480		complete(&wl->scan_done);
1481		ret = -ENOMEM;
1482		goto out;
1483	}
1484	kfree(cmd);
1485out:
1486	free_page((unsigned long)buf);
1487	mutex_unlock(&wl->scan_lock);
1488	pr_debug("%s: ->\n", __func__);
1489	return ret;
1490}
1491
1492/*
1493 * retrieve scan result from the chip (hypervisor)
1494 * this function is invoked by schedule work.
1495 */
1496static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl)
1497{
1498	struct gelic_eurus_cmd *cmd = NULL;
1499	struct gelic_wl_scan_info *target, *tmp;
1500	struct gelic_wl_scan_info *oldest = NULL;
1501	struct gelic_eurus_scan_info *scan_info;
1502	unsigned int scan_info_size;
1503	union iwreq_data data;
1504	unsigned long this_time = jiffies;
1505	unsigned int data_len, i, found, r;
1506	void *buf;
1507
1508	pr_debug("%s:start\n", __func__);
1509	mutex_lock(&wl->scan_lock);
1510
1511	buf = (void *)__get_free_page(GFP_KERNEL);
1512	if (!buf) {
1513		pr_info("%s: scan buffer alloc failed\n", __func__);
1514		goto out;
1515	}
1516
1517	if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) {
1518		/*
1519		 * stop() may be called while scanning, ignore result
1520		 */
1521		pr_debug("%s: scan complete when stat != scanning(%d)\n",
1522			 __func__, wl->scan_stat);
1523		goto out;
1524	}
1525
1526	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_SCAN,
1527				   buf, PAGE_SIZE);
1528	if (!cmd || cmd->status || cmd->cmd_status) {
1529		wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
1530		pr_info("%s:cmd failed\n", __func__);
1531		kfree(cmd);
1532		goto out;
1533	}
1534	data_len = cmd->size;
1535	pr_debug("%s: data_len = %d\n", __func__, data_len);
1536	kfree(cmd);
1537
1538	/* OK, bss list retrieved */
1539	wl->scan_stat = GELIC_WL_SCAN_STAT_GOT_LIST;
1540
1541	/* mark all entries are old */
1542	list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
1543		target->valid = 0;
1544		/* expire too old entries */
1545		if (time_before(target->last_scanned + wl->scan_age,
1546				this_time)) {
1547			kfree(target->hwinfo);
1548			target->hwinfo = NULL;
1549			list_move_tail(&target->list, &wl->network_free_list);
1550		}
1551	}
1552
1553	/* put them in the network_list */
1554	for (i = 0, scan_info_size = 0, scan_info = buf;
1555	     scan_info_size < data_len;
1556	     i++, scan_info_size += be16_to_cpu(scan_info->size),
1557	     scan_info = (void *)scan_info + be16_to_cpu(scan_info->size)) {
1558		pr_debug("%s:size=%d bssid=%pM scan_info=%p\n", __func__,
1559			 be16_to_cpu(scan_info->size),
1560			 &scan_info->bssid[2], scan_info);
1561
1562		/*
1563		 * The wireless firmware may return invalid channel 0 and/or
1564		 * invalid rate if the AP emits zero length SSID ie. As this
1565		 * scan information is useless, ignore it
1566		 */
1567		if (!be16_to_cpu(scan_info->channel) || !scan_info->rate[0]) {
1568			pr_debug("%s: invalid scan info\n", __func__);
1569			continue;
1570		}
1571
1572		found = 0;
1573		oldest = NULL;
1574		list_for_each_entry(target, &wl->network_list, list) {
1575			if (ether_addr_equal(&target->hwinfo->bssid[2],
1576					     &scan_info->bssid[2])) {
1577				found = 1;
1578				pr_debug("%s: same BBS found scanned list\n",
1579					 __func__);
1580				break;
1581			}
1582			if (!oldest ||
1583			    (target->last_scanned < oldest->last_scanned))
1584				oldest = target;
1585		}
1586
1587		if (!found) {
1588			/* not found in the list */
1589			if (list_empty(&wl->network_free_list)) {
1590				/* expire oldest */
1591				target = oldest;
1592			} else {
1593				target = list_entry(wl->network_free_list.next,
1594						    struct gelic_wl_scan_info,
1595						    list);
1596			}
1597		}
1598
1599		/* update the item */
1600		target->last_scanned = this_time;
1601		target->valid = 1;
1602		target->eurus_index = i;
1603		kfree(target->hwinfo);
1604		target->hwinfo = kmemdup(scan_info,
1605					 be16_to_cpu(scan_info->size),
1606					 GFP_KERNEL);
1607		if (!target->hwinfo)
1608			continue;
1609
1610		/* copy hw scan info */
1611		target->essid_len = strnlen(scan_info->essid,
1612					    sizeof(scan_info->essid));
1613		target->rate_len = 0;
1614		for (r = 0; r < 12; r++)
1615			if (scan_info->rate[r])
1616				target->rate_len++;
1617		if (8 < target->rate_len)
1618			pr_info("%s: AP returns %d rates\n", __func__,
1619				target->rate_len);
1620		target->rate_ext_len = 0;
1621		for (r = 0; r < 16; r++)
1622			if (scan_info->ext_rate[r])
1623				target->rate_ext_len++;
1624		list_move_tail(&target->list, &wl->network_list);
1625	}
1626	memset(&data, 0, sizeof(data));
1627	wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data,
1628			    NULL);
1629out:
1630	free_page((unsigned long)buf);
1631	complete(&wl->scan_done);
1632	mutex_unlock(&wl->scan_lock);
1633	pr_debug("%s:end\n", __func__);
1634}
1635
1636/*
1637 * Select an appropriate bss from current scan list regarding
1638 * current settings from userspace.
1639 * The caller must hold wl->scan_lock,
1640 * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
1641 */
1642static void update_best(struct gelic_wl_scan_info **best,
1643			struct gelic_wl_scan_info *candid,
1644			int *best_weight,
1645			int *weight)
1646{
1647	if (*best_weight < ++(*weight)) {
1648		*best_weight = *weight;
1649		*best = candid;
1650	}
1651}
1652
1653static
1654struct gelic_wl_scan_info *gelic_wl_find_best_bss(struct gelic_wl_info *wl)
1655{
1656	struct gelic_wl_scan_info *scan_info;
1657	struct gelic_wl_scan_info *best_bss;
1658	int weight, best_weight;
1659	u16 security;
1660
1661	pr_debug("%s: <-\n", __func__);
1662
1663	best_bss = NULL;
1664	best_weight = 0;
1665
1666	list_for_each_entry(scan_info, &wl->network_list, list) {
1667		pr_debug("%s: station %p\n", __func__, scan_info);
1668
1669		if (!scan_info->valid) {
1670			pr_debug("%s: station invalid\n", __func__);
1671			continue;
1672		}
1673
1674		/* If bss specified, check it only */
1675		if (test_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat)) {
1676			if (ether_addr_equal(&scan_info->hwinfo->bssid[2],
1677					     wl->bssid)) {
1678				best_bss = scan_info;
1679				pr_debug("%s: bssid matched\n", __func__);
1680				break;
1681			} else {
1682				pr_debug("%s: bssid unmatched\n", __func__);
1683				continue;
1684			}
1685		}
1686
1687		weight = 0;
1688
1689		/* security */
1690		security = be16_to_cpu(scan_info->hwinfo->security) &
1691			GELIC_EURUS_SCAN_SEC_MASK;
1692		if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
1693			if (security == GELIC_EURUS_SCAN_SEC_WPA2)
1694				update_best(&best_bss, scan_info,
1695					    &best_weight, &weight);
1696			else
1697				continue;
1698		} else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA) {
1699			if (security == GELIC_EURUS_SCAN_SEC_WPA)
1700				update_best(&best_bss, scan_info,
1701					    &best_weight, &weight);
1702			else
1703				continue;
1704		} else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_NONE &&
1705			   wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1706			if (security == GELIC_EURUS_SCAN_SEC_WEP)
1707				update_best(&best_bss, scan_info,
1708					    &best_weight, &weight);
1709			else
1710				continue;
1711		}
1712
1713		/* If ESSID is set, check it */
1714		if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) {
1715			if ((scan_info->essid_len == wl->essid_len) &&
1716			    !strncmp(wl->essid,
1717				     scan_info->hwinfo->essid,
1718				     scan_info->essid_len))
1719				update_best(&best_bss, scan_info,
1720					    &best_weight, &weight);
1721			else
1722				continue;
1723		}
1724	}
1725
1726#ifdef DEBUG
1727	pr_debug("%s: -> bss=%p\n", __func__, best_bss);
1728	if (best_bss) {
1729		pr_debug("%s:addr=%pM\n", __func__,
1730			 &best_bss->hwinfo->bssid[2]);
1731	}
1732#endif
1733	return best_bss;
1734}
1735
1736/*
1737 * Setup WEP configuration to the chip
1738 * The caller must hold wl->scan_lock,
1739 * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST
1740 */
1741static int gelic_wl_do_wep_setup(struct gelic_wl_info *wl)
1742{
1743	unsigned int i;
1744	struct gelic_eurus_wep_cfg *wep;
1745	struct gelic_eurus_cmd *cmd;
1746	int wep104 = 0;
1747	int have_key = 0;
1748	int ret = 0;
1749
1750	pr_debug("%s: <-\n", __func__);
1751	/* we can assume no one should uses the buffer */
1752	wep = (struct gelic_eurus_wep_cfg *)__get_free_page(GFP_KERNEL);
1753	if (!wep)
1754		return -ENOMEM;
1755
1756	memset(wep, 0, sizeof(*wep));
1757
1758	if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
1759		pr_debug("%s: WEP mode\n", __func__);
1760		for (i = 0; i < GELIC_WEP_KEYS; i++) {
1761			if (!test_bit(i, &wl->key_enabled))
1762				continue;
1763
1764			pr_debug("%s: key#%d enabled\n", __func__, i);
1765			have_key = 1;
1766			if (wl->key_len[i] == 13)
1767				wep104 = 1;
1768			else if (wl->key_len[i] != 5) {
1769				pr_info("%s: wrong wep key[%d]=%d\n",
1770					__func__, i, wl->key_len[i]);
1771				ret = -EINVAL;
1772				goto out;
1773			}
1774			memcpy(wep->key[i], wl->key[i], wl->key_len[i]);
1775		}
1776
1777		if (!have_key) {
1778			pr_info("%s: all wep key disabled\n", __func__);
1779			ret = -EINVAL;
1780			goto out;
1781		}
1782
1783		if (wep104) {
1784			pr_debug("%s: 104bit key\n", __func__);
1785			wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_104BIT);
1786		} else {
1787			pr_debug("%s: 40bit key\n", __func__);
1788			wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_40BIT);
1789		}
1790	} else {
1791		pr_debug("%s: NO encryption\n", __func__);
1792		wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_NONE);
1793	}
1794
1795	/* issue wep setup */
1796	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WEP_CFG,
1797				   wep, sizeof(*wep));
1798	if (!cmd)
1799		ret = -ENOMEM;
1800	else if (cmd->status || cmd->cmd_status)
1801		ret = -ENXIO;
1802
1803	kfree(cmd);
1804out:
1805	free_page((unsigned long)wep);
1806	pr_debug("%s: ->\n", __func__);
1807	return ret;
1808}
1809
1810#ifdef DEBUG
1811static const char *wpasecstr(enum gelic_eurus_wpa_security sec)
1812{
1813	switch (sec) {
1814	case GELIC_EURUS_WPA_SEC_NONE:
1815		return "NONE";
1816	case GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP:
1817		return "WPA_TKIP_TKIP";
1818	case GELIC_EURUS_WPA_SEC_WPA_TKIP_AES:
1819		return "WPA_TKIP_AES";
1820	case GELIC_EURUS_WPA_SEC_WPA_AES_AES:
1821		return "WPA_AES_AES";
1822	case GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP:
1823		return "WPA2_TKIP_TKIP";
1824	case GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES:
1825		return "WPA2_TKIP_AES";
1826	case GELIC_EURUS_WPA_SEC_WPA2_AES_AES:
1827		return "WPA2_AES_AES";
1828	}
1829	return "";
1830};
1831#endif
1832
1833static int gelic_wl_do_wpa_setup(struct gelic_wl_info *wl)
1834{
1835	struct gelic_eurus_wpa_cfg *wpa;
1836	struct gelic_eurus_cmd *cmd;
1837	u16 security;
1838	int ret = 0;
1839
1840	pr_debug("%s: <-\n", __func__);
1841	/* we can assume no one should uses the buffer */
1842	wpa = (struct gelic_eurus_wpa_cfg *)__get_free_page(GFP_KERNEL);
1843	if (!wpa)
1844		return -ENOMEM;
1845
1846	memset(wpa, 0, sizeof(*wpa));
1847
1848	if (!test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat))
1849		pr_info("%s: PSK not configured yet\n", __func__);
1850
1851	/* copy key */
1852	memcpy(wpa->psk, wl->psk, wl->psk_len);
1853
1854	/* set security level */
1855	if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) {
1856		if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
1857			security = GELIC_EURUS_WPA_SEC_WPA2_AES_AES;
1858		} else {
1859			if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
1860			    precise_ie())
1861				security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES;
1862			else
1863				security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP;
1864		}
1865	} else {
1866		if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) {
1867			security = GELIC_EURUS_WPA_SEC_WPA_AES_AES;
1868		} else {
1869			if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES &&
1870			    precise_ie())
1871				security = GELIC_EURUS_WPA_SEC_WPA_TKIP_AES;
1872			else
1873				security = GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP;
1874		}
1875	}
1876	wpa->security = cpu_to_be16(security);
1877
1878	/* PSK type */
1879	wpa->psk_type = cpu_to_be16(wl->psk_type);
1880#ifdef DEBUG
1881	pr_debug("%s: sec=%s psktype=%s\n", __func__,
1882		 wpasecstr(wpa->security),
1883		 (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
1884		 "BIN" : "passphrase");
1885#if 0
1886	/*
1887	 * don't enable here if you plan to submit
1888	 * the debug log because this dumps your precious
1889	 * passphrase/key.
1890	 */
1891	pr_debug("%s: psk=%s\n", __func__,
1892		 (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ?
1893		 "N/A" : wpa->psk);
1894#endif
1895#endif
1896	/* issue wpa setup */
1897	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WPA_CFG,
1898				   wpa, sizeof(*wpa));
1899	if (!cmd)
1900		ret = -ENOMEM;
1901	else if (cmd->status || cmd->cmd_status)
1902		ret = -ENXIO;
1903	kfree(cmd);
1904	free_page((unsigned long)wpa);
1905	pr_debug("%s: --> %d\n", __func__, ret);
1906	return ret;
1907}
1908
1909/*
1910 * Start association. caller must hold assoc_stat_lock
1911 */
1912static int gelic_wl_associate_bss(struct gelic_wl_info *wl,
1913				  struct gelic_wl_scan_info *bss)
1914{
1915	struct gelic_eurus_cmd *cmd;
1916	struct gelic_eurus_common_cfg *common;
1917	int ret = 0;
1918	unsigned long rc;
1919
1920	pr_debug("%s: <-\n", __func__);
1921
1922	/* do common config */
1923	common = (struct gelic_eurus_common_cfg *)__get_free_page(GFP_KERNEL);
1924	if (!common)
1925		return -ENOMEM;
1926
1927	memset(common, 0, sizeof(*common));
1928	common->bss_type = cpu_to_be16(GELIC_EURUS_BSS_INFRA);
1929	common->op_mode = cpu_to_be16(GELIC_EURUS_OPMODE_11BG);
1930
1931	common->scan_index = cpu_to_be16(bss->eurus_index);
1932	switch (wl->auth_method) {
1933	case GELIC_EURUS_AUTH_OPEN:
1934		common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_OPEN);
1935		break;
1936	case GELIC_EURUS_AUTH_SHARED:
1937		common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_SHARED);
1938		break;
1939	}
1940
1941#ifdef DEBUG
1942	scan_list_dump(wl);
1943#endif
1944	pr_debug("%s: common cfg index=%d bsstype=%d auth=%d\n", __func__,
1945		 be16_to_cpu(common->scan_index),
1946		 be16_to_cpu(common->bss_type),
1947		 be16_to_cpu(common->auth_method));
1948
1949	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_COMMON_CFG,
1950				   common, sizeof(*common));
1951	if (!cmd || cmd->status || cmd->cmd_status) {
1952		ret = -ENOMEM;
1953		kfree(cmd);
1954		goto out;
1955	}
1956	kfree(cmd);
1957
1958	/* WEP/WPA */
1959	switch (wl->wpa_level) {
1960	case GELIC_WL_WPA_LEVEL_NONE:
1961		/* If WEP or no security, setup WEP config */
1962		ret = gelic_wl_do_wep_setup(wl);
1963		break;
1964	case GELIC_WL_WPA_LEVEL_WPA:
1965	case GELIC_WL_WPA_LEVEL_WPA2:
1966		ret = gelic_wl_do_wpa_setup(wl);
1967		break;
1968	}
1969
1970	if (ret) {
1971		pr_debug("%s: WEP/WPA setup failed %d\n", __func__,
1972			 ret);
1973		ret = -EPERM;
1974		gelic_wl_send_iwap_event(wl, NULL);
1975		goto out;
1976	}
1977
1978	/* start association */
1979	init_completion(&wl->assoc_done);
1980	wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATING;
1981	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_ASSOC,
1982				   NULL, 0);
1983	if (!cmd || cmd->status || cmd->cmd_status) {
1984		pr_debug("%s: assoc request failed\n", __func__);
1985		wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
1986		kfree(cmd);
1987		ret = -ENOMEM;
1988		gelic_wl_send_iwap_event(wl, NULL);
1989		goto out;
1990	}
1991	kfree(cmd);
1992
1993	/* wait for connected event */
1994	rc = wait_for_completion_timeout(&wl->assoc_done, HZ * 4);/*FIXME*/
1995
1996	if (!rc) {
1997		/* timeouted.  Maybe key or cyrpt mode is wrong */
1998		pr_info("%s: connect timeout\n", __func__);
1999		cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC,
2000					   NULL, 0);
2001		kfree(cmd);
2002		wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2003		gelic_wl_send_iwap_event(wl, NULL);
2004		ret = -ENXIO;
2005	} else {
2006		wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATED;
2007		/* copy bssid */
2008		memcpy(wl->active_bssid, &bss->hwinfo->bssid[2], ETH_ALEN);
2009
2010		/* send connect event */
2011		gelic_wl_send_iwap_event(wl, wl->active_bssid);
2012		pr_info("%s: connected\n", __func__);
2013	}
2014out:
2015	free_page((unsigned long)common);
2016	pr_debug("%s: ->\n", __func__);
2017	return ret;
2018}
2019
2020/*
2021 * connected event
2022 */
2023static void gelic_wl_connected_event(struct gelic_wl_info *wl,
2024				     u64 event)
2025{
2026	u64 desired_event = 0;
2027
2028	switch (wl->wpa_level) {
2029	case GELIC_WL_WPA_LEVEL_NONE:
2030		desired_event = GELIC_LV1_WL_EVENT_CONNECTED;
2031		break;
2032	case GELIC_WL_WPA_LEVEL_WPA:
2033	case GELIC_WL_WPA_LEVEL_WPA2:
2034		desired_event = GELIC_LV1_WL_EVENT_WPA_CONNECTED;
2035		break;
2036	}
2037
2038	if (desired_event == event) {
2039		pr_debug("%s: completed\n", __func__);
2040		complete(&wl->assoc_done);
2041		netif_carrier_on(port_to_netdev(wl_port(wl)));
2042	} else
2043		pr_debug("%s: event %#llx under wpa\n",
2044				 __func__, event);
2045}
2046
2047/*
2048 * disconnect event
2049 */
2050static void gelic_wl_disconnect_event(struct gelic_wl_info *wl,
2051				      u64 event)
2052{
2053	struct gelic_eurus_cmd *cmd;
2054	int lock;
2055
2056	/*
2057	 * If we fall here in the middle of association,
2058	 * associate_bss() should be waiting for complation of
2059	 * wl->assoc_done.
2060	 * As it waits with timeout, just leave assoc_done
2061	 * uncompleted, then it terminates with timeout
2062	 */
2063	if (!mutex_trylock(&wl->assoc_stat_lock)) {
2064		pr_debug("%s: already locked\n", __func__);
2065		lock = 0;
2066	} else {
2067		pr_debug("%s: obtain lock\n", __func__);
2068		lock = 1;
2069	}
2070
2071	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
2072	kfree(cmd);
2073
2074	/* send disconnected event to the supplicant */
2075	if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2076		gelic_wl_send_iwap_event(wl, NULL);
2077
2078	wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2079	netif_carrier_off(port_to_netdev(wl_port(wl)));
2080
2081	if (lock)
2082		mutex_unlock(&wl->assoc_stat_lock);
2083}
2084/*
2085 * event worker
2086 */
2087#ifdef DEBUG
2088static const char *eventstr(enum gelic_lv1_wl_event event)
2089{
2090	static char buf[32];
2091	char *ret;
2092	if (event & GELIC_LV1_WL_EVENT_DEVICE_READY)
2093		ret = "EURUS_READY";
2094	else if (event & GELIC_LV1_WL_EVENT_SCAN_COMPLETED)
2095		ret = "SCAN_COMPLETED";
2096	else if (event & GELIC_LV1_WL_EVENT_DEAUTH)
2097		ret = "DEAUTH";
2098	else if (event & GELIC_LV1_WL_EVENT_BEACON_LOST)
2099		ret = "BEACON_LOST";
2100	else if (event & GELIC_LV1_WL_EVENT_CONNECTED)
2101		ret = "CONNECTED";
2102	else if (event & GELIC_LV1_WL_EVENT_WPA_CONNECTED)
2103		ret = "WPA_CONNECTED";
2104	else if (event & GELIC_LV1_WL_EVENT_WPA_ERROR)
2105		ret = "WPA_ERROR";
2106	else {
2107		sprintf(buf, "Unknown(%#x)", event);
2108		ret = buf;
2109	}
2110	return ret;
2111}
2112#else
2113static const char *eventstr(enum gelic_lv1_wl_event event)
2114{
2115	return NULL;
2116}
2117#endif
2118static void gelic_wl_event_worker(struct work_struct *work)
2119{
2120	struct gelic_wl_info *wl;
2121	struct gelic_port *port;
2122	u64 event, tmp;
2123	int status;
2124
2125	pr_debug("%s:start\n", __func__);
2126	wl = container_of(work, struct gelic_wl_info, event_work.work);
2127	port = wl_port(wl);
2128	while (1) {
2129		status = lv1_net_control(bus_id(port->card), dev_id(port->card),
2130					 GELIC_LV1_GET_WLAN_EVENT, 0, 0, 0,
2131					 &event, &tmp);
2132		if (status) {
2133			if (status != LV1_NO_ENTRY)
2134				pr_debug("%s:wlan event failed %d\n",
2135					 __func__, status);
2136			/* got all events */
2137			pr_debug("%s:end\n", __func__);
2138			return;
2139		}
2140		pr_debug("%s: event=%s\n", __func__, eventstr(event));
2141		switch (event) {
2142		case GELIC_LV1_WL_EVENT_SCAN_COMPLETED:
2143			gelic_wl_scan_complete_event(wl);
2144			break;
2145		case GELIC_LV1_WL_EVENT_BEACON_LOST:
2146		case GELIC_LV1_WL_EVENT_DEAUTH:
2147			gelic_wl_disconnect_event(wl, event);
2148			break;
2149		case GELIC_LV1_WL_EVENT_CONNECTED:
2150		case GELIC_LV1_WL_EVENT_WPA_CONNECTED:
2151			gelic_wl_connected_event(wl, event);
2152			break;
2153		default:
2154			break;
2155		}
2156	} /* while */
2157}
2158/*
2159 * association worker
2160 */
2161static void gelic_wl_assoc_worker(struct work_struct *work)
2162{
2163	struct gelic_wl_info *wl;
2164
2165	struct gelic_wl_scan_info *best_bss;
2166	int ret;
2167	unsigned long irqflag;
2168	u8 *essid;
2169	size_t essid_len;
2170
2171	wl = container_of(work, struct gelic_wl_info, assoc_work.work);
2172
2173	mutex_lock(&wl->assoc_stat_lock);
2174
2175	if (wl->assoc_stat != GELIC_WL_ASSOC_STAT_DISCONN)
2176		goto out;
2177
2178	spin_lock_irqsave(&wl->lock, irqflag);
2179	if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) {
2180		pr_debug("%s: assoc ESSID configured %s\n", __func__,
2181			 wl->essid);
2182		essid = wl->essid;
2183		essid_len = wl->essid_len;
2184	} else {
2185		essid = NULL;
2186		essid_len = 0;
2187	}
2188	spin_unlock_irqrestore(&wl->lock, irqflag);
2189
2190	ret = gelic_wl_start_scan(wl, 0, essid, essid_len);
2191	if (ret == -ERESTARTSYS) {
2192		pr_debug("%s: scan start failed association\n", __func__);
2193		schedule_delayed_work(&wl->assoc_work, HZ/10); /*FIXME*/
2194		goto out;
2195	} else if (ret) {
2196		pr_info("%s: scan prerequisite failed\n", __func__);
2197		goto out;
2198	}
2199
2200	/*
2201	 * Wait for bss scan completion
2202	 * If we have scan list already, gelic_wl_start_scan()
2203	 * returns OK and raises the complete.  Thus,
2204	 * it's ok to wait unconditionally here
2205	 */
2206	wait_for_completion(&wl->scan_done);
2207
2208	pr_debug("%s: scan done\n", __func__);
2209	mutex_lock(&wl->scan_lock);
2210	if (wl->scan_stat != GELIC_WL_SCAN_STAT_GOT_LIST) {
2211		gelic_wl_send_iwap_event(wl, NULL);
2212		pr_info("%s: no scan list. association failed\n", __func__);
2213		goto scan_lock_out;
2214	}
2215
2216	/* find best matching bss */
2217	best_bss = gelic_wl_find_best_bss(wl);
2218	if (!best_bss) {
2219		gelic_wl_send_iwap_event(wl, NULL);
2220		pr_info("%s: no bss matched. association failed\n", __func__);
2221		goto scan_lock_out;
2222	}
2223
2224	/* ok, do association */
2225	ret = gelic_wl_associate_bss(wl, best_bss);
2226	if (ret)
2227		pr_info("%s: association failed %d\n", __func__, ret);
2228scan_lock_out:
2229	mutex_unlock(&wl->scan_lock);
2230out:
2231	mutex_unlock(&wl->assoc_stat_lock);
2232}
2233/*
2234 * Interrupt handler
2235 * Called from the ethernet interrupt handler
2236 * Processes wireless specific virtual interrupts only
2237 */
2238void gelic_wl_interrupt(struct net_device *netdev, u64 status)
2239{
2240	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
2241
2242	if (status & GELIC_CARD_WLAN_COMMAND_COMPLETED) {
2243		pr_debug("%s:cmd complete\n", __func__);
2244		complete(&wl->cmd_done_intr);
2245	}
2246
2247	if (status & GELIC_CARD_WLAN_EVENT_RECEIVED) {
2248		pr_debug("%s:event received\n", __func__);
2249		queue_delayed_work(wl->event_queue, &wl->event_work, 0);
2250	}
2251}
2252
2253/*
2254 * driver helpers
2255 */
2256static const iw_handler gelic_wl_wext_handler[] =
2257{
2258	IW_HANDLER(SIOCGIWNAME, gelic_wl_get_name),
2259	IW_HANDLER(SIOCGIWRANGE, gelic_wl_get_range),
2260	IW_HANDLER(SIOCSIWSCAN, gelic_wl_set_scan),
2261	IW_HANDLER(SIOCGIWSCAN, gelic_wl_get_scan),
2262	IW_HANDLER(SIOCSIWAUTH, gelic_wl_set_auth),
2263	IW_HANDLER(SIOCGIWAUTH, gelic_wl_get_auth),
2264	IW_HANDLER(SIOCSIWESSID, gelic_wl_set_essid),
2265	IW_HANDLER(SIOCGIWESSID, gelic_wl_get_essid),
2266	IW_HANDLER(SIOCSIWENCODE, gelic_wl_set_encode),
2267	IW_HANDLER(SIOCGIWENCODE, gelic_wl_get_encode),
2268	IW_HANDLER(SIOCSIWAP, gelic_wl_set_ap),
2269	IW_HANDLER(SIOCGIWAP, gelic_wl_get_ap),
2270	IW_HANDLER(SIOCSIWENCODEEXT, gelic_wl_set_encodeext),
2271	IW_HANDLER(SIOCGIWENCODEEXT, gelic_wl_get_encodeext),
2272	IW_HANDLER(SIOCSIWMODE, gelic_wl_set_mode),
2273	IW_HANDLER(SIOCGIWMODE, gelic_wl_get_mode),
2274	IW_HANDLER(SIOCGIWNICKN, gelic_wl_get_nick),
2275};
2276
2277static const struct iw_handler_def gelic_wl_wext_handler_def = {
2278	.num_standard		= ARRAY_SIZE(gelic_wl_wext_handler),
2279	.standard		= gelic_wl_wext_handler,
2280	.get_wireless_stats	= gelic_wl_get_wireless_stats,
2281};
2282
2283static struct net_device *gelic_wl_alloc(struct gelic_card *card)
2284{
2285	struct net_device *netdev;
2286	struct gelic_port *port;
2287	struct gelic_wl_info *wl;
2288	unsigned int i;
2289
2290	pr_debug("%s:start\n", __func__);
2291	netdev = alloc_etherdev(sizeof(struct gelic_port) +
2292				sizeof(struct gelic_wl_info));
2293	pr_debug("%s: netdev =%p card=%p\n", __func__, netdev, card);
2294	if (!netdev)
2295		return NULL;
2296
2297	strcpy(netdev->name, "wlan%d");
2298
2299	port = netdev_priv(netdev);
2300	port->netdev = netdev;
2301	port->card = card;
2302	port->type = GELIC_PORT_WIRELESS;
2303
2304	wl = port_wl(port);
2305	pr_debug("%s: wl=%p port=%p\n", __func__, wl, port);
2306
2307	/* allocate scan list */
2308	wl->networks = kcalloc(GELIC_WL_BSS_MAX_ENT,
2309			       sizeof(struct gelic_wl_scan_info),
2310			       GFP_KERNEL);
2311
2312	if (!wl->networks)
2313		goto fail_bss;
2314
2315	wl->eurus_cmd_queue = create_singlethread_workqueue("gelic_cmd");
2316	if (!wl->eurus_cmd_queue)
2317		goto fail_cmd_workqueue;
2318
2319	wl->event_queue = create_singlethread_workqueue("gelic_event");
2320	if (!wl->event_queue)
2321		goto fail_event_workqueue;
2322
2323	INIT_LIST_HEAD(&wl->network_free_list);
2324	INIT_LIST_HEAD(&wl->network_list);
2325	for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++)
2326		list_add_tail(&wl->networks[i].list,
2327			      &wl->network_free_list);
2328	init_completion(&wl->cmd_done_intr);
2329
2330	INIT_DELAYED_WORK(&wl->event_work, gelic_wl_event_worker);
2331	INIT_DELAYED_WORK(&wl->assoc_work, gelic_wl_assoc_worker);
2332	mutex_init(&wl->scan_lock);
2333	mutex_init(&wl->assoc_stat_lock);
2334
2335	init_completion(&wl->scan_done);
2336	/* for the case that no scan request is issued and stop() is called */
2337	complete(&wl->scan_done);
2338
2339	spin_lock_init(&wl->lock);
2340
2341	wl->scan_age = 5*HZ; /* FIXME */
2342
2343	/* buffer for receiving scanned list etc */
2344	BUILD_BUG_ON(PAGE_SIZE <
2345		     sizeof(struct gelic_eurus_scan_info) *
2346		     GELIC_EURUS_MAX_SCAN);
2347	pr_debug("%s:end\n", __func__);
2348	return netdev;
2349
2350fail_event_workqueue:
2351	destroy_workqueue(wl->eurus_cmd_queue);
2352fail_cmd_workqueue:
2353	kfree(wl->networks);
2354fail_bss:
2355	free_netdev(netdev);
2356	pr_debug("%s:end error\n", __func__);
2357	return NULL;
2358
2359}
2360
2361static void gelic_wl_free(struct gelic_wl_info *wl)
2362{
2363	struct gelic_wl_scan_info *scan_info;
2364	unsigned int i;
2365
2366	pr_debug("%s: <-\n", __func__);
2367
2368	pr_debug("%s: destroy queues\n", __func__);
2369	destroy_workqueue(wl->eurus_cmd_queue);
2370	destroy_workqueue(wl->event_queue);
2371
2372	scan_info = wl->networks;
2373	for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++, scan_info++)
2374		kfree(scan_info->hwinfo);
2375	kfree(wl->networks);
2376
2377	free_netdev(port_to_netdev(wl_port(wl)));
2378
2379	pr_debug("%s: ->\n", __func__);
2380}
2381
2382static int gelic_wl_try_associate(struct net_device *netdev)
2383{
2384	struct gelic_wl_info *wl = port_wl(netdev_priv(netdev));
2385	int ret = -1;
2386	unsigned int i;
2387
2388	pr_debug("%s: <-\n", __func__);
2389
2390	/* check constraits for start association */
2391	/* for no access restriction AP */
2392	if (wl->group_cipher_method == GELIC_WL_CIPHER_NONE) {
2393		if (test_bit(GELIC_WL_STAT_CONFIGURED,
2394			     &wl->stat))
2395			goto do_associate;
2396		else {
2397			pr_debug("%s: no wep, not configured\n", __func__);
2398			return ret;
2399		}
2400	}
2401
2402	/* for WEP, one of four keys should be set */
2403	if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) {
2404		/* one of keys set */
2405		for (i = 0; i < GELIC_WEP_KEYS; i++) {
2406			if (test_bit(i, &wl->key_enabled))
2407			    goto do_associate;
2408		}
2409		pr_debug("%s: WEP, but no key specified\n", __func__);
2410		return ret;
2411	}
2412
2413	/* for WPA[2], psk should be set */
2414	if ((wl->group_cipher_method == GELIC_WL_CIPHER_TKIP) ||
2415	    (wl->group_cipher_method == GELIC_WL_CIPHER_AES)) {
2416		if (test_bit(GELIC_WL_STAT_WPA_PSK_SET,
2417			     &wl->stat))
2418			goto do_associate;
2419		else {
2420			pr_debug("%s: AES/TKIP, but PSK not configured\n",
2421				 __func__);
2422			return ret;
2423		}
2424	}
2425
2426do_associate:
2427	ret = schedule_delayed_work(&wl->assoc_work, 0);
2428	pr_debug("%s: start association work %d\n", __func__, ret);
2429	return ret;
2430}
2431
2432/*
2433 * netdev handlers
2434 */
2435static int gelic_wl_open(struct net_device *netdev)
2436{
2437	struct gelic_card *card = netdev_card(netdev);
2438
2439	pr_debug("%s:->%p\n", __func__, netdev);
2440
2441	gelic_card_up(card);
2442
2443	/* try to associate */
2444	gelic_wl_try_associate(netdev);
2445
2446	netif_start_queue(netdev);
2447
2448	pr_debug("%s:<-\n", __func__);
2449	return 0;
2450}
2451
2452/*
2453 * reset state machine
2454 */
2455static int gelic_wl_reset_state(struct gelic_wl_info *wl)
2456{
2457	struct gelic_wl_scan_info *target;
2458	struct gelic_wl_scan_info *tmp;
2459
2460	/* empty scan list */
2461	list_for_each_entry_safe(target, tmp, &wl->network_list, list) {
2462		list_move_tail(&target->list, &wl->network_free_list);
2463	}
2464	wl->scan_stat = GELIC_WL_SCAN_STAT_INIT;
2465
2466	/* clear configuration */
2467	wl->auth_method = GELIC_EURUS_AUTH_OPEN;
2468	wl->group_cipher_method = GELIC_WL_CIPHER_NONE;
2469	wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE;
2470	wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE;
2471
2472	wl->key_enabled = 0;
2473	wl->current_key = 0;
2474
2475	wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE;
2476	wl->psk_len = 0;
2477
2478	wl->essid_len = 0;
2479	memset(wl->essid, 0, sizeof(wl->essid));
2480	memset(wl->bssid, 0, sizeof(wl->bssid));
2481	memset(wl->active_bssid, 0, sizeof(wl->active_bssid));
2482
2483	wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN;
2484
2485	memset(&wl->iwstat, 0, sizeof(wl->iwstat));
2486	/* all status bit clear */
2487	wl->stat = 0;
2488	return 0;
2489}
2490
2491/*
2492 * Tell eurus to terminate association
2493 */
2494static void gelic_wl_disconnect(struct net_device *netdev)
2495{
2496	struct gelic_port *port = netdev_priv(netdev);
2497	struct gelic_wl_info *wl = port_wl(port);
2498	struct gelic_eurus_cmd *cmd;
2499
2500	/*
2501	 * If scann process is running on chip,
2502	 * further requests will be rejected
2503	 */
2504	if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING)
2505		wait_for_completion_timeout(&wl->scan_done, HZ);
2506
2507	cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0);
2508	kfree(cmd);
2509	gelic_wl_send_iwap_event(wl, NULL);
2510};
2511
2512static int gelic_wl_stop(struct net_device *netdev)
2513{
2514	struct gelic_port *port = netdev_priv(netdev);
2515	struct gelic_wl_info *wl = port_wl(port);
2516	struct gelic_card *card = netdev_card(netdev);
2517
2518	pr_debug("%s:<-\n", __func__);
2519
2520	/*
2521	 * Cancel pending association work.
2522	 * event work can run after netdev down
2523	 */
2524	cancel_delayed_work(&wl->assoc_work);
2525
2526	if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2527		gelic_wl_disconnect(netdev);
2528
2529	/* reset our state machine */
2530	gelic_wl_reset_state(wl);
2531
2532	netif_stop_queue(netdev);
2533
2534	gelic_card_down(card);
2535
2536	pr_debug("%s:->\n", __func__);
2537	return 0;
2538}
2539
2540/* -- */
2541
2542static const struct net_device_ops gelic_wl_netdevice_ops = {
2543	.ndo_open = gelic_wl_open,
2544	.ndo_stop = gelic_wl_stop,
2545	.ndo_start_xmit = gelic_net_xmit,
2546	.ndo_set_rx_mode = gelic_net_set_multi,
2547	.ndo_tx_timeout = gelic_net_tx_timeout,
2548	.ndo_set_mac_address = eth_mac_addr,
2549	.ndo_validate_addr = eth_validate_addr,
2550#ifdef CONFIG_NET_POLL_CONTROLLER
2551	.ndo_poll_controller = gelic_net_poll_controller,
2552#endif
2553};
2554
2555static const struct ethtool_ops gelic_wl_ethtool_ops = {
2556	.get_drvinfo	= gelic_net_get_drvinfo,
2557	.get_link	= gelic_wl_get_link,
2558};
2559
2560static void gelic_wl_setup_netdev_ops(struct net_device *netdev)
2561{
2562	struct gelic_wl_info *wl;
2563	wl = port_wl(netdev_priv(netdev));
2564	BUG_ON(!wl);
2565	netdev->watchdog_timeo = GELIC_NET_WATCHDOG_TIMEOUT;
2566
2567	netdev->ethtool_ops = &gelic_wl_ethtool_ops;
2568	netdev->netdev_ops = &gelic_wl_netdevice_ops;
2569	netdev->wireless_data = &wl->wireless_data;
2570	netdev->wireless_handlers = &gelic_wl_wext_handler_def;
2571}
2572
2573/*
2574 * driver probe/remove
2575 */
2576int gelic_wl_driver_probe(struct gelic_card *card)
2577{
2578	int ret;
2579	struct net_device *netdev;
2580
2581	pr_debug("%s:start\n", __func__);
2582
2583	if (ps3_compare_firmware_version(1, 6, 0) < 0)
2584		return 0;
2585	if (!card->vlan[GELIC_PORT_WIRELESS].tx)
2586		return 0;
2587
2588	/* alloc netdevice for wireless */
2589	netdev = gelic_wl_alloc(card);
2590	if (!netdev)
2591		return -ENOMEM;
2592
2593	/* setup net_device structure */
2594	SET_NETDEV_DEV(netdev, &card->dev->core);
2595	gelic_wl_setup_netdev_ops(netdev);
2596
2597	/* setup some of net_device and register it */
2598	ret = gelic_net_setup_netdev(netdev, card);
2599	if (ret)
2600		goto fail_setup;
2601	card->netdev[GELIC_PORT_WIRELESS] = netdev;
2602
2603	/* add enable wireless interrupt */
2604	card->irq_mask |= GELIC_CARD_WLAN_EVENT_RECEIVED |
2605		GELIC_CARD_WLAN_COMMAND_COMPLETED;
2606	/* to allow wireless commands while both interfaces are down */
2607	gelic_card_set_irq_mask(card, GELIC_CARD_WLAN_EVENT_RECEIVED |
2608				GELIC_CARD_WLAN_COMMAND_COMPLETED);
2609	pr_debug("%s:end\n", __func__);
2610	return 0;
2611
2612fail_setup:
2613	gelic_wl_free(port_wl(netdev_port(netdev)));
2614
2615	return ret;
2616}
2617
2618int gelic_wl_driver_remove(struct gelic_card *card)
2619{
2620	struct gelic_wl_info *wl;
2621	struct net_device *netdev;
2622
2623	pr_debug("%s:start\n", __func__);
2624
2625	if (ps3_compare_firmware_version(1, 6, 0) < 0)
2626		return 0;
2627	if (!card->vlan[GELIC_PORT_WIRELESS].tx)
2628		return 0;
2629
2630	netdev = card->netdev[GELIC_PORT_WIRELESS];
2631	wl = port_wl(netdev_priv(netdev));
2632
2633	/* if the interface was not up, but associated */
2634	if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED)
2635		gelic_wl_disconnect(netdev);
2636
2637	complete(&wl->cmd_done_intr);
2638
2639	/* cancel all work queue */
2640	cancel_delayed_work(&wl->assoc_work);
2641	cancel_delayed_work(&wl->event_work);
2642	flush_workqueue(wl->eurus_cmd_queue);
2643	flush_workqueue(wl->event_queue);
2644
2645	unregister_netdev(netdev);
2646
2647	/* disable wireless interrupt */
2648	pr_debug("%s: disable intr\n", __func__);
2649	card->irq_mask &= ~(GELIC_CARD_WLAN_EVENT_RECEIVED |
2650			    GELIC_CARD_WLAN_COMMAND_COMPLETED);
2651	/* free bss list, netdev*/
2652	gelic_wl_free(wl);
2653	pr_debug("%s:end\n", __func__);
2654	return 0;
2655}