Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1 | /* |
| 2 | * PS3 gelic network driver. |
| 3 | * |
| 4 | * Copyright (C) 2007 Sony Computer Entertainment Inc. |
| 5 | * Copyright 2007 Sony Corporation |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License version 2 |
| 9 | * as published by the Free Software Foundation. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 19 | */ |
| 20 | #undef DEBUG |
| 21 | |
| 22 | #include <linux/kernel.h> |
| 23 | #include <linux/module.h> |
| 24 | |
| 25 | #include <linux/etherdevice.h> |
| 26 | #include <linux/ethtool.h> |
| 27 | #include <linux/if_vlan.h> |
| 28 | |
| 29 | #include <linux/in.h> |
| 30 | #include <linux/ip.h> |
| 31 | #include <linux/tcp.h> |
| 32 | #include <linux/wireless.h> |
| 33 | #include <linux/ctype.h> |
| 34 | #include <linux/string.h> |
| 35 | #include <net/iw_handler.h> |
| 36 | #include <net/ieee80211.h> |
| 37 | |
| 38 | #include <linux/dma-mapping.h> |
| 39 | #include <net/checksum.h> |
| 40 | #include <asm/firmware.h> |
| 41 | #include <asm/ps3.h> |
| 42 | #include <asm/lv1call.h> |
| 43 | |
| 44 | #include "ps3_gelic_net.h" |
| 45 | #include "ps3_gelic_wireless.h" |
| 46 | |
| 47 | |
Masakazu Mokuno | 7fd871e | 2008-06-02 12:49:16 +0900 | [diff] [blame] | 48 | static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan, |
| 49 | u8 *essid, size_t essid_len); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 50 | static int gelic_wl_try_associate(struct net_device *netdev); |
| 51 | |
| 52 | /* |
| 53 | * tables |
| 54 | */ |
| 55 | |
| 56 | /* 802.11b/g channel to freq in MHz */ |
| 57 | static const int channel_freq[] = { |
| 58 | 2412, 2417, 2422, 2427, 2432, |
| 59 | 2437, 2442, 2447, 2452, 2457, |
| 60 | 2462, 2467, 2472, 2484 |
| 61 | }; |
| 62 | #define NUM_CHANNELS ARRAY_SIZE(channel_freq) |
| 63 | |
| 64 | /* in bps */ |
| 65 | static const int bitrate_list[] = { |
| 66 | 1000000, |
| 67 | 2000000, |
| 68 | 5500000, |
| 69 | 11000000, |
| 70 | 6000000, |
| 71 | 9000000, |
| 72 | 12000000, |
| 73 | 18000000, |
| 74 | 24000000, |
| 75 | 36000000, |
| 76 | 48000000, |
| 77 | 54000000 |
| 78 | }; |
| 79 | #define NUM_BITRATES ARRAY_SIZE(bitrate_list) |
| 80 | |
| 81 | /* |
| 82 | * wpa2 support requires the hypervisor version 2.0 or later |
| 83 | */ |
| 84 | static inline int wpa2_capable(void) |
| 85 | { |
| 86 | return (0 <= ps3_compare_firmware_version(2, 0, 0)); |
| 87 | } |
| 88 | |
| 89 | static inline int precise_ie(void) |
| 90 | { |
Masakazu Mokuno | 49d20fa | 2008-03-25 16:21:08 +0900 | [diff] [blame] | 91 | return (0 <= ps3_compare_firmware_version(2, 2, 0)); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 92 | } |
| 93 | /* |
| 94 | * post_eurus_cmd helpers |
| 95 | */ |
| 96 | struct eurus_cmd_arg_info { |
| 97 | int pre_arg; /* command requres arg1, arg2 at POST COMMAND */ |
| 98 | int post_arg; /* command requires arg1, arg2 at GET_RESULT */ |
| 99 | }; |
| 100 | |
| 101 | static const struct eurus_cmd_arg_info cmd_info[GELIC_EURUS_CMD_MAX_INDEX] = { |
| 102 | [GELIC_EURUS_CMD_SET_COMMON_CFG] = { .pre_arg = 1}, |
| 103 | [GELIC_EURUS_CMD_SET_WEP_CFG] = { .pre_arg = 1}, |
| 104 | [GELIC_EURUS_CMD_SET_WPA_CFG] = { .pre_arg = 1}, |
| 105 | [GELIC_EURUS_CMD_GET_COMMON_CFG] = { .post_arg = 1}, |
| 106 | [GELIC_EURUS_CMD_GET_WEP_CFG] = { .post_arg = 1}, |
| 107 | [GELIC_EURUS_CMD_GET_WPA_CFG] = { .post_arg = 1}, |
| 108 | [GELIC_EURUS_CMD_GET_RSSI_CFG] = { .post_arg = 1}, |
Masakazu Mokuno | 7fd871e | 2008-06-02 12:49:16 +0900 | [diff] [blame] | 109 | [GELIC_EURUS_CMD_START_SCAN] = { .pre_arg = 1}, |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 110 | [GELIC_EURUS_CMD_GET_SCAN] = { .post_arg = 1}, |
| 111 | }; |
| 112 | |
| 113 | #ifdef DEBUG |
| 114 | static const char *cmdstr(enum gelic_eurus_command ix) |
| 115 | { |
| 116 | switch (ix) { |
| 117 | case GELIC_EURUS_CMD_ASSOC: |
| 118 | return "ASSOC"; |
| 119 | case GELIC_EURUS_CMD_DISASSOC: |
| 120 | return "DISASSOC"; |
| 121 | case GELIC_EURUS_CMD_START_SCAN: |
| 122 | return "SCAN"; |
| 123 | case GELIC_EURUS_CMD_GET_SCAN: |
| 124 | return "GET SCAN"; |
| 125 | case GELIC_EURUS_CMD_SET_COMMON_CFG: |
| 126 | return "SET_COMMON_CFG"; |
| 127 | case GELIC_EURUS_CMD_GET_COMMON_CFG: |
| 128 | return "GET_COMMON_CFG"; |
| 129 | case GELIC_EURUS_CMD_SET_WEP_CFG: |
| 130 | return "SET_WEP_CFG"; |
| 131 | case GELIC_EURUS_CMD_GET_WEP_CFG: |
| 132 | return "GET_WEP_CFG"; |
| 133 | case GELIC_EURUS_CMD_SET_WPA_CFG: |
| 134 | return "SET_WPA_CFG"; |
| 135 | case GELIC_EURUS_CMD_GET_WPA_CFG: |
| 136 | return "GET_WPA_CFG"; |
| 137 | case GELIC_EURUS_CMD_GET_RSSI_CFG: |
| 138 | return "GET_RSSI"; |
| 139 | default: |
| 140 | break; |
| 141 | } |
| 142 | return ""; |
| 143 | }; |
| 144 | #else |
| 145 | static inline const char *cmdstr(enum gelic_eurus_command ix) |
| 146 | { |
| 147 | return ""; |
| 148 | } |
| 149 | #endif |
| 150 | |
| 151 | /* synchronously do eurus commands */ |
| 152 | static void gelic_eurus_sync_cmd_worker(struct work_struct *work) |
| 153 | { |
| 154 | struct gelic_eurus_cmd *cmd; |
| 155 | struct gelic_card *card; |
| 156 | struct gelic_wl_info *wl; |
| 157 | |
| 158 | u64 arg1, arg2; |
| 159 | |
| 160 | pr_debug("%s: <-\n", __func__); |
| 161 | cmd = container_of(work, struct gelic_eurus_cmd, work); |
| 162 | BUG_ON(cmd_info[cmd->cmd].pre_arg && |
| 163 | cmd_info[cmd->cmd].post_arg); |
| 164 | wl = cmd->wl; |
| 165 | card = port_to_card(wl_port(wl)); |
| 166 | |
| 167 | if (cmd_info[cmd->cmd].pre_arg) { |
Masakazu Mokuno | 7fd871e | 2008-06-02 12:49:16 +0900 | [diff] [blame] | 168 | arg1 = (cmd->buffer) ? |
| 169 | ps3_mm_phys_to_lpar(__pa(cmd->buffer)) : |
| 170 | 0; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 171 | arg2 = cmd->buf_size; |
| 172 | } else { |
| 173 | arg1 = 0; |
| 174 | arg2 = 0; |
| 175 | } |
| 176 | init_completion(&wl->cmd_done_intr); |
| 177 | pr_debug("%s: cmd='%s' start\n", __func__, cmdstr(cmd->cmd)); |
| 178 | cmd->status = lv1_net_control(bus_id(card), dev_id(card), |
| 179 | GELIC_LV1_POST_WLAN_CMD, |
| 180 | cmd->cmd, arg1, arg2, |
| 181 | &cmd->tag, &cmd->size); |
| 182 | if (cmd->status) { |
| 183 | complete(&cmd->done); |
| 184 | pr_info("%s: cmd issue failed\n", __func__); |
| 185 | return; |
| 186 | } |
| 187 | |
| 188 | wait_for_completion(&wl->cmd_done_intr); |
| 189 | |
| 190 | if (cmd_info[cmd->cmd].post_arg) { |
| 191 | arg1 = ps3_mm_phys_to_lpar(__pa(cmd->buffer)); |
| 192 | arg2 = cmd->buf_size; |
| 193 | } else { |
| 194 | arg1 = 0; |
| 195 | arg2 = 0; |
| 196 | } |
| 197 | |
| 198 | cmd->status = lv1_net_control(bus_id(card), dev_id(card), |
| 199 | GELIC_LV1_GET_WLAN_CMD_RESULT, |
| 200 | cmd->tag, arg1, arg2, |
| 201 | &cmd->cmd_status, &cmd->size); |
| 202 | #ifdef DEBUG |
| 203 | if (cmd->status || cmd->cmd_status) { |
| 204 | pr_debug("%s: cmd done tag=%#lx arg1=%#lx, arg2=%#lx\n", __func__, |
| 205 | cmd->tag, arg1, arg2); |
| 206 | pr_debug("%s: cmd done status=%#x cmd_status=%#lx size=%#lx\n", |
| 207 | __func__, cmd->status, cmd->cmd_status, cmd->size); |
| 208 | } |
| 209 | #endif |
| 210 | complete(&cmd->done); |
| 211 | pr_debug("%s: cmd='%s' done\n", __func__, cmdstr(cmd->cmd)); |
| 212 | } |
| 213 | |
| 214 | static struct gelic_eurus_cmd *gelic_eurus_sync_cmd(struct gelic_wl_info *wl, |
| 215 | unsigned int eurus_cmd, |
| 216 | void *buffer, |
| 217 | unsigned int buf_size) |
| 218 | { |
| 219 | struct gelic_eurus_cmd *cmd; |
| 220 | |
| 221 | /* allocate cmd */ |
| 222 | cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); |
| 223 | if (!cmd) |
| 224 | return NULL; |
| 225 | |
| 226 | /* initialize members */ |
| 227 | cmd->cmd = eurus_cmd; |
| 228 | cmd->buffer = buffer; |
| 229 | cmd->buf_size = buf_size; |
| 230 | cmd->wl = wl; |
| 231 | INIT_WORK(&cmd->work, gelic_eurus_sync_cmd_worker); |
| 232 | init_completion(&cmd->done); |
| 233 | queue_work(wl->eurus_cmd_queue, &cmd->work); |
| 234 | |
| 235 | /* wait for command completion */ |
| 236 | wait_for_completion(&cmd->done); |
| 237 | |
| 238 | return cmd; |
| 239 | } |
| 240 | |
| 241 | static u32 gelic_wl_get_link(struct net_device *netdev) |
| 242 | { |
| 243 | struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); |
| 244 | u32 ret; |
| 245 | |
| 246 | pr_debug("%s: <-\n", __func__); |
Daniel Walker | bb2d67a | 2008-05-22 00:00:02 -0700 | [diff] [blame] | 247 | mutex_lock(&wl->assoc_stat_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 248 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) |
| 249 | ret = 1; |
| 250 | else |
| 251 | ret = 0; |
Daniel Walker | bb2d67a | 2008-05-22 00:00:02 -0700 | [diff] [blame] | 252 | mutex_unlock(&wl->assoc_stat_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 253 | pr_debug("%s: ->\n", __func__); |
| 254 | return ret; |
| 255 | } |
| 256 | |
| 257 | static void gelic_wl_send_iwap_event(struct gelic_wl_info *wl, u8 *bssid) |
| 258 | { |
| 259 | union iwreq_data data; |
| 260 | |
| 261 | memset(&data, 0, sizeof(data)); |
| 262 | if (bssid) |
| 263 | memcpy(data.ap_addr.sa_data, bssid, ETH_ALEN); |
| 264 | data.ap_addr.sa_family = ARPHRD_ETHER; |
| 265 | wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWAP, |
| 266 | &data, NULL); |
| 267 | } |
| 268 | |
| 269 | /* |
| 270 | * wireless extension handlers and helpers |
| 271 | */ |
| 272 | |
| 273 | /* SIOGIWNAME */ |
| 274 | static int gelic_wl_get_name(struct net_device *dev, |
| 275 | struct iw_request_info *info, |
| 276 | union iwreq_data *iwreq, char *extra) |
| 277 | { |
| 278 | strcpy(iwreq->name, "IEEE 802.11bg"); |
| 279 | return 0; |
| 280 | } |
| 281 | |
| 282 | static void gelic_wl_get_ch_info(struct gelic_wl_info *wl) |
| 283 | { |
| 284 | struct gelic_card *card = port_to_card(wl_port(wl)); |
| 285 | u64 ch_info_raw, tmp; |
| 286 | int status; |
| 287 | |
| 288 | if (!test_and_set_bit(GELIC_WL_STAT_CH_INFO, &wl->stat)) { |
| 289 | status = lv1_net_control(bus_id(card), dev_id(card), |
| 290 | GELIC_LV1_GET_CHANNEL, 0, 0, 0, |
| 291 | &ch_info_raw, |
| 292 | &tmp); |
| 293 | /* some fw versions may return error */ |
| 294 | if (status) { |
| 295 | if (status != LV1_NO_ENTRY) |
| 296 | pr_info("%s: available ch unknown\n", __func__); |
| 297 | wl->ch_info = 0x07ff;/* 11 ch */ |
| 298 | } else |
| 299 | /* 16 bits of MSB has available channels */ |
| 300 | wl->ch_info = ch_info_raw >> 48; |
| 301 | } |
| 302 | return; |
| 303 | } |
| 304 | |
| 305 | /* SIOGIWRANGE */ |
| 306 | static int gelic_wl_get_range(struct net_device *netdev, |
| 307 | struct iw_request_info *info, |
| 308 | union iwreq_data *iwreq, char *extra) |
| 309 | { |
| 310 | struct iw_point *point = &iwreq->data; |
| 311 | struct iw_range *range = (struct iw_range *)extra; |
| 312 | struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); |
| 313 | unsigned int i, chs; |
| 314 | |
| 315 | pr_debug("%s: <-\n", __func__); |
| 316 | point->length = sizeof(struct iw_range); |
| 317 | memset(range, 0, sizeof(struct iw_range)); |
| 318 | |
| 319 | range->we_version_compiled = WIRELESS_EXT; |
| 320 | range->we_version_source = 22; |
| 321 | |
| 322 | /* available channels and frequencies */ |
| 323 | gelic_wl_get_ch_info(wl); |
| 324 | |
| 325 | for (i = 0, chs = 0; |
| 326 | i < NUM_CHANNELS && chs < IW_MAX_FREQUENCIES; i++) |
| 327 | if (wl->ch_info & (1 << i)) { |
| 328 | range->freq[chs].i = i + 1; |
| 329 | range->freq[chs].m = channel_freq[i]; |
| 330 | range->freq[chs].e = 6; |
| 331 | chs++; |
| 332 | } |
| 333 | range->num_frequency = chs; |
| 334 | range->old_num_frequency = chs; |
| 335 | range->num_channels = chs; |
| 336 | range->old_num_channels = chs; |
| 337 | |
| 338 | /* bitrates */ |
| 339 | for (i = 0; i < NUM_BITRATES; i++) |
| 340 | range->bitrate[i] = bitrate_list[i]; |
| 341 | range->num_bitrates = i; |
| 342 | |
| 343 | /* signal levels */ |
| 344 | range->max_qual.qual = 100; /* relative value */ |
| 345 | range->max_qual.level = 100; |
| 346 | range->avg_qual.qual = 50; |
| 347 | range->avg_qual.level = 50; |
| 348 | range->sensitivity = 0; |
| 349 | |
| 350 | /* Event capability */ |
| 351 | IW_EVENT_CAPA_SET_KERNEL(range->event_capa); |
| 352 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP); |
| 353 | IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN); |
| 354 | |
| 355 | /* encryption capability */ |
| 356 | range->enc_capa = IW_ENC_CAPA_WPA | |
Masakazu Mokuno | 04b2046 | 2008-05-30 16:52:44 +0900 | [diff] [blame] | 357 | IW_ENC_CAPA_CIPHER_TKIP | IW_ENC_CAPA_CIPHER_CCMP | |
| 358 | IW_ENC_CAPA_4WAY_HANDSHAKE; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 359 | if (wpa2_capable()) |
| 360 | range->enc_capa |= IW_ENC_CAPA_WPA2; |
| 361 | range->encoding_size[0] = 5; /* 40bit WEP */ |
| 362 | range->encoding_size[1] = 13; /* 104bit WEP */ |
| 363 | range->encoding_size[2] = 32; /* WPA-PSK */ |
| 364 | range->num_encoding_sizes = 3; |
| 365 | range->max_encoding_tokens = GELIC_WEP_KEYS; |
| 366 | |
Masakazu Mokuno | 7fd871e | 2008-06-02 12:49:16 +0900 | [diff] [blame] | 367 | /* scan capability */ |
| 368 | range->scan_capa = IW_SCAN_CAPA_ESSID; |
| 369 | |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 370 | pr_debug("%s: ->\n", __func__); |
| 371 | return 0; |
| 372 | |
| 373 | } |
| 374 | |
| 375 | /* SIOC{G,S}IWSCAN */ |
| 376 | static int gelic_wl_set_scan(struct net_device *netdev, |
| 377 | struct iw_request_info *info, |
| 378 | union iwreq_data *wrqu, char *extra) |
| 379 | { |
| 380 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); |
Masakazu Mokuno | 7fd871e | 2008-06-02 12:49:16 +0900 | [diff] [blame] | 381 | struct iw_scan_req *req; |
| 382 | u8 *essid = NULL; |
| 383 | size_t essid_len = 0; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 384 | |
Masakazu Mokuno | 7fd871e | 2008-06-02 12:49:16 +0900 | [diff] [blame] | 385 | if (wrqu->data.length == sizeof(struct iw_scan_req) && |
| 386 | wrqu->data.flags & IW_SCAN_THIS_ESSID) { |
| 387 | req = (struct iw_scan_req*)extra; |
| 388 | essid = req->essid; |
| 389 | essid_len = req->essid_len; |
| 390 | pr_debug("%s: ESSID scan =%s\n", __func__, essid); |
| 391 | } |
| 392 | return gelic_wl_start_scan(wl, 1, essid, essid_len); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 393 | } |
| 394 | |
| 395 | #define OUI_LEN 3 |
| 396 | static const u8 rsn_oui[OUI_LEN] = { 0x00, 0x0f, 0xac }; |
| 397 | static const u8 wpa_oui[OUI_LEN] = { 0x00, 0x50, 0xf2 }; |
| 398 | |
| 399 | /* |
| 400 | * synthesize WPA/RSN IE data |
| 401 | * See WiFi WPA specification and IEEE 802.11-2007 7.3.2.25 |
| 402 | * for the format |
| 403 | */ |
| 404 | static size_t gelic_wl_synthesize_ie(u8 *buf, |
| 405 | struct gelic_eurus_scan_info *scan) |
| 406 | { |
| 407 | |
| 408 | const u8 *oui_header; |
| 409 | u8 *start = buf; |
| 410 | int rsn; |
| 411 | int ccmp; |
| 412 | |
| 413 | pr_debug("%s: <- sec=%16x\n", __func__, scan->security); |
| 414 | switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_MASK) { |
| 415 | case GELIC_EURUS_SCAN_SEC_WPA: |
| 416 | rsn = 0; |
| 417 | break; |
| 418 | case GELIC_EURUS_SCAN_SEC_WPA2: |
| 419 | rsn = 1; |
| 420 | break; |
| 421 | default: |
| 422 | /* WEP or none. No IE returned */ |
| 423 | return 0; |
| 424 | } |
| 425 | |
| 426 | switch (be16_to_cpu(scan->security) & GELIC_EURUS_SCAN_SEC_WPA_MASK) { |
| 427 | case GELIC_EURUS_SCAN_SEC_WPA_TKIP: |
| 428 | ccmp = 0; |
| 429 | break; |
| 430 | case GELIC_EURUS_SCAN_SEC_WPA_AES: |
| 431 | ccmp = 1; |
| 432 | break; |
| 433 | default: |
| 434 | if (rsn) { |
| 435 | ccmp = 1; |
| 436 | pr_info("%s: no cipher info. defaulted to CCMP\n", |
| 437 | __func__); |
| 438 | } else { |
| 439 | ccmp = 0; |
| 440 | pr_info("%s: no cipher info. defaulted to TKIP\n", |
| 441 | __func__); |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | if (rsn) |
| 446 | oui_header = rsn_oui; |
| 447 | else |
| 448 | oui_header = wpa_oui; |
| 449 | |
| 450 | /* element id */ |
| 451 | if (rsn) |
| 452 | *buf++ = MFIE_TYPE_RSN; |
| 453 | else |
| 454 | *buf++ = MFIE_TYPE_GENERIC; |
| 455 | |
| 456 | /* length filed; set later */ |
| 457 | buf++; |
| 458 | |
| 459 | /* wpa special header */ |
| 460 | if (!rsn) { |
| 461 | memcpy(buf, wpa_oui, OUI_LEN); |
| 462 | buf += OUI_LEN; |
| 463 | *buf++ = 0x01; |
| 464 | } |
| 465 | |
| 466 | /* version */ |
| 467 | *buf++ = 0x01; /* version 1.0 */ |
| 468 | *buf++ = 0x00; |
| 469 | |
| 470 | /* group cipher */ |
| 471 | memcpy(buf, oui_header, OUI_LEN); |
| 472 | buf += OUI_LEN; |
| 473 | |
| 474 | if (ccmp) |
| 475 | *buf++ = 0x04; /* CCMP */ |
| 476 | else |
| 477 | *buf++ = 0x02; /* TKIP */ |
| 478 | |
| 479 | /* pairwise key count always 1 */ |
| 480 | *buf++ = 0x01; |
| 481 | *buf++ = 0x00; |
| 482 | |
| 483 | /* pairwise key suit */ |
| 484 | memcpy(buf, oui_header, OUI_LEN); |
| 485 | buf += OUI_LEN; |
| 486 | if (ccmp) |
| 487 | *buf++ = 0x04; /* CCMP */ |
| 488 | else |
| 489 | *buf++ = 0x02; /* TKIP */ |
| 490 | |
| 491 | /* AKM count is 1 */ |
| 492 | *buf++ = 0x01; |
| 493 | *buf++ = 0x00; |
| 494 | |
| 495 | /* AKM suite is assumed as PSK*/ |
| 496 | memcpy(buf, oui_header, OUI_LEN); |
| 497 | buf += OUI_LEN; |
| 498 | *buf++ = 0x02; /* PSK */ |
| 499 | |
| 500 | /* RSN capabilities is 0 */ |
| 501 | *buf++ = 0x00; |
| 502 | *buf++ = 0x00; |
| 503 | |
| 504 | /* set length field */ |
| 505 | start[1] = (buf - start - 2); |
| 506 | |
| 507 | pr_debug("%s: ->\n", __func__); |
| 508 | return (buf - start); |
| 509 | } |
| 510 | |
| 511 | struct ie_item { |
| 512 | u8 *data; |
| 513 | u8 len; |
| 514 | }; |
| 515 | |
| 516 | struct ie_info { |
| 517 | struct ie_item wpa; |
| 518 | struct ie_item rsn; |
| 519 | }; |
| 520 | |
| 521 | static void gelic_wl_parse_ie(u8 *data, size_t len, |
| 522 | struct ie_info *ie_info) |
| 523 | { |
| 524 | size_t data_left = len; |
| 525 | u8 *pos = data; |
| 526 | u8 item_len; |
| 527 | u8 item_id; |
| 528 | |
| 529 | pr_debug("%s: data=%p len=%ld \n", __func__, |
| 530 | data, len); |
| 531 | memset(ie_info, 0, sizeof(struct ie_info)); |
| 532 | |
Masakazu Mokuno | b358492 | 2008-04-14 18:07:21 +0900 | [diff] [blame] | 533 | while (2 <= data_left) { |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 534 | item_id = *pos++; |
| 535 | item_len = *pos++; |
Masakazu Mokuno | b358492 | 2008-04-14 18:07:21 +0900 | [diff] [blame] | 536 | data_left -= 2; |
| 537 | |
| 538 | if (data_left < item_len) |
| 539 | break; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 540 | |
| 541 | switch (item_id) { |
| 542 | case MFIE_TYPE_GENERIC: |
Masakazu Mokuno | b358492 | 2008-04-14 18:07:21 +0900 | [diff] [blame] | 543 | if ((OUI_LEN + 1 <= item_len) && |
| 544 | !memcmp(pos, wpa_oui, OUI_LEN) && |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 545 | pos[OUI_LEN] == 0x01) { |
| 546 | ie_info->wpa.data = pos - 2; |
| 547 | ie_info->wpa.len = item_len + 2; |
| 548 | } |
| 549 | break; |
| 550 | case MFIE_TYPE_RSN: |
| 551 | ie_info->rsn.data = pos - 2; |
| 552 | /* length includes the header */ |
| 553 | ie_info->rsn.len = item_len + 2; |
| 554 | break; |
| 555 | default: |
| 556 | pr_debug("%s: ignore %#x,%d\n", __func__, |
| 557 | item_id, item_len); |
| 558 | break; |
| 559 | } |
| 560 | pos += item_len; |
Masakazu Mokuno | b358492 | 2008-04-14 18:07:21 +0900 | [diff] [blame] | 561 | data_left -= item_len; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 562 | } |
| 563 | pr_debug("%s: wpa=%p,%d wpa2=%p,%d\n", __func__, |
| 564 | ie_info->wpa.data, ie_info->wpa.len, |
| 565 | ie_info->rsn.data, ie_info->rsn.len); |
| 566 | } |
| 567 | |
| 568 | |
| 569 | /* |
| 570 | * translate the scan informations from hypervisor to a |
| 571 | * independent format |
| 572 | */ |
| 573 | static char *gelic_wl_translate_scan(struct net_device *netdev, |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 574 | struct iw_request_info *info, |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 575 | char *ev, |
| 576 | char *stop, |
| 577 | struct gelic_wl_scan_info *network) |
| 578 | { |
| 579 | struct iw_event iwe; |
| 580 | struct gelic_eurus_scan_info *scan = network->hwinfo; |
| 581 | char *tmp; |
| 582 | u8 rate; |
| 583 | unsigned int i, j, len; |
| 584 | u8 buf[MAX_WPA_IE_LEN]; |
| 585 | |
| 586 | pr_debug("%s: <-\n", __func__); |
| 587 | |
| 588 | /* first entry should be AP's mac address */ |
| 589 | iwe.cmd = SIOCGIWAP; |
| 590 | iwe.u.ap_addr.sa_family = ARPHRD_ETHER; |
| 591 | memcpy(iwe.u.ap_addr.sa_data, &scan->bssid[2], ETH_ALEN); |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 592 | ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_ADDR_LEN); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 593 | |
| 594 | /* ESSID */ |
| 595 | iwe.cmd = SIOCGIWESSID; |
| 596 | iwe.u.data.flags = 1; |
| 597 | iwe.u.data.length = strnlen(scan->essid, 32); |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 598 | ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 599 | |
| 600 | /* FREQUENCY */ |
| 601 | iwe.cmd = SIOCGIWFREQ; |
| 602 | iwe.u.freq.m = be16_to_cpu(scan->channel); |
| 603 | iwe.u.freq.e = 0; /* table value in MHz */ |
| 604 | iwe.u.freq.i = 0; |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 605 | ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_FREQ_LEN); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 606 | |
| 607 | /* RATES */ |
| 608 | iwe.cmd = SIOCGIWRATE; |
| 609 | iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; |
| 610 | /* to stuff multiple values in one event */ |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 611 | tmp = ev + iwe_stream_lcp_len(info); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 612 | /* put them in ascendant order (older is first) */ |
| 613 | i = 0; |
| 614 | j = 0; |
| 615 | pr_debug("%s: rates=%d rate=%d\n", __func__, |
| 616 | network->rate_len, network->rate_ext_len); |
| 617 | while (i < network->rate_len) { |
| 618 | if (j < network->rate_ext_len && |
| 619 | ((scan->ext_rate[j] & 0x7f) < (scan->rate[i] & 0x7f))) |
| 620 | rate = scan->ext_rate[j++] & 0x7f; |
| 621 | else |
| 622 | rate = scan->rate[i++] & 0x7f; |
| 623 | iwe.u.bitrate.value = rate * 500000; /* 500kbps unit */ |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 624 | tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe, |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 625 | IW_EV_PARAM_LEN); |
| 626 | } |
| 627 | while (j < network->rate_ext_len) { |
| 628 | iwe.u.bitrate.value = (scan->ext_rate[j++] & 0x7f) * 500000; |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 629 | tmp = iwe_stream_add_value(info, ev, tmp, stop, &iwe, |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 630 | IW_EV_PARAM_LEN); |
| 631 | } |
| 632 | /* Check if we added any rate */ |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 633 | if (iwe_stream_lcp_len(info) < (tmp - ev)) |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 634 | ev = tmp; |
| 635 | |
| 636 | /* ENCODE */ |
| 637 | iwe.cmd = SIOCGIWENCODE; |
| 638 | if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_PRIVACY) |
| 639 | iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; |
| 640 | else |
| 641 | iwe.u.data.flags = IW_ENCODE_DISABLED; |
| 642 | iwe.u.data.length = 0; |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 643 | ev = iwe_stream_add_point(info, ev, stop, &iwe, scan->essid); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 644 | |
| 645 | /* MODE */ |
| 646 | iwe.cmd = SIOCGIWMODE; |
| 647 | if (be16_to_cpu(scan->capability) & |
| 648 | (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)) { |
| 649 | if (be16_to_cpu(scan->capability) & WLAN_CAPABILITY_ESS) |
| 650 | iwe.u.mode = IW_MODE_MASTER; |
| 651 | else |
| 652 | iwe.u.mode = IW_MODE_ADHOC; |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 653 | ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_UINT_LEN); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 654 | } |
| 655 | |
| 656 | /* QUAL */ |
| 657 | iwe.cmd = IWEVQUAL; |
| 658 | iwe.u.qual.updated = IW_QUAL_ALL_UPDATED | |
| 659 | IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID; |
| 660 | iwe.u.qual.level = be16_to_cpu(scan->rssi); |
| 661 | iwe.u.qual.qual = be16_to_cpu(scan->rssi); |
| 662 | iwe.u.qual.noise = 0; |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 663 | ev = iwe_stream_add_event(info, ev, stop, &iwe, IW_EV_QUAL_LEN); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 664 | |
| 665 | /* RSN */ |
| 666 | memset(&iwe, 0, sizeof(iwe)); |
| 667 | if (be16_to_cpu(scan->size) <= sizeof(*scan)) { |
| 668 | /* If wpa[2] capable station, synthesize IE and put it */ |
| 669 | len = gelic_wl_synthesize_ie(buf, scan); |
| 670 | if (len) { |
| 671 | iwe.cmd = IWEVGENIE; |
| 672 | iwe.u.data.length = len; |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 673 | ev = iwe_stream_add_point(info, ev, stop, &iwe, buf); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 674 | } |
| 675 | } else { |
| 676 | /* this scan info has IE data */ |
| 677 | struct ie_info ie_info; |
| 678 | size_t data_len; |
| 679 | |
| 680 | data_len = be16_to_cpu(scan->size) - sizeof(*scan); |
| 681 | |
| 682 | gelic_wl_parse_ie(scan->elements, data_len, &ie_info); |
| 683 | |
| 684 | if (ie_info.wpa.len && (ie_info.wpa.len <= sizeof(buf))) { |
| 685 | memcpy(buf, ie_info.wpa.data, ie_info.wpa.len); |
| 686 | iwe.cmd = IWEVGENIE; |
| 687 | iwe.u.data.length = ie_info.wpa.len; |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 688 | ev = iwe_stream_add_point(info, ev, stop, &iwe, buf); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 689 | } |
| 690 | |
| 691 | if (ie_info.rsn.len && (ie_info.rsn.len <= sizeof(buf))) { |
| 692 | memset(&iwe, 0, sizeof(iwe)); |
| 693 | memcpy(buf, ie_info.rsn.data, ie_info.rsn.len); |
| 694 | iwe.cmd = IWEVGENIE; |
| 695 | iwe.u.data.length = ie_info.rsn.len; |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 696 | ev = iwe_stream_add_point(info, ev, stop, &iwe, buf); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 697 | } |
| 698 | } |
| 699 | |
| 700 | pr_debug("%s: ->\n", __func__); |
| 701 | return ev; |
| 702 | } |
| 703 | |
| 704 | |
| 705 | static int gelic_wl_get_scan(struct net_device *netdev, |
| 706 | struct iw_request_info *info, |
| 707 | union iwreq_data *wrqu, char *extra) |
| 708 | { |
| 709 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); |
| 710 | struct gelic_wl_scan_info *scan_info; |
| 711 | char *ev = extra; |
| 712 | char *stop = ev + wrqu->data.length; |
| 713 | int ret = 0; |
| 714 | unsigned long this_time = jiffies; |
| 715 | |
| 716 | pr_debug("%s: <-\n", __func__); |
Daniel Walker | 706ddd6 | 2008-05-22 00:00:01 -0700 | [diff] [blame] | 717 | if (mutex_lock_interruptible(&wl->scan_lock)) |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 718 | return -EAGAIN; |
| 719 | |
| 720 | switch (wl->scan_stat) { |
| 721 | case GELIC_WL_SCAN_STAT_SCANNING: |
| 722 | /* If a scan in progress, caller should call me again */ |
| 723 | ret = -EAGAIN; |
| 724 | goto out; |
| 725 | break; |
| 726 | |
| 727 | case GELIC_WL_SCAN_STAT_INIT: |
| 728 | /* last scan request failed or never issued */ |
| 729 | ret = -ENODEV; |
| 730 | goto out; |
| 731 | break; |
| 732 | case GELIC_WL_SCAN_STAT_GOT_LIST: |
| 733 | /* ok, use current list */ |
| 734 | break; |
| 735 | } |
| 736 | |
| 737 | list_for_each_entry(scan_info, &wl->network_list, list) { |
| 738 | if (wl->scan_age == 0 || |
| 739 | time_after(scan_info->last_scanned + wl->scan_age, |
| 740 | this_time)) |
David S. Miller | ccc5805 | 2008-06-16 18:50:49 -0700 | [diff] [blame] | 741 | ev = gelic_wl_translate_scan(netdev, info, |
| 742 | ev, stop, |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 743 | scan_info); |
| 744 | else |
| 745 | pr_debug("%s:entry too old\n", __func__); |
| 746 | |
| 747 | if (stop - ev <= IW_EV_ADDR_LEN) { |
| 748 | ret = -E2BIG; |
| 749 | goto out; |
| 750 | } |
| 751 | } |
| 752 | |
| 753 | wrqu->data.length = ev - extra; |
| 754 | wrqu->data.flags = 0; |
| 755 | out: |
Daniel Walker | 706ddd6 | 2008-05-22 00:00:01 -0700 | [diff] [blame] | 756 | mutex_unlock(&wl->scan_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 757 | pr_debug("%s: -> %d %d\n", __func__, ret, wrqu->data.length); |
| 758 | return ret; |
| 759 | } |
| 760 | |
| 761 | #ifdef DEBUG |
| 762 | static void scan_list_dump(struct gelic_wl_info *wl) |
| 763 | { |
| 764 | struct gelic_wl_scan_info *scan_info; |
| 765 | int i; |
| 766 | DECLARE_MAC_BUF(mac); |
| 767 | |
| 768 | i = 0; |
| 769 | list_for_each_entry(scan_info, &wl->network_list, list) { |
| 770 | pr_debug("%s: item %d\n", __func__, i++); |
| 771 | pr_debug("valid=%d eurusindex=%d last=%lx\n", |
| 772 | scan_info->valid, scan_info->eurus_index, |
| 773 | scan_info->last_scanned); |
| 774 | pr_debug("r_len=%d r_ext_len=%d essid_len=%d\n", |
| 775 | scan_info->rate_len, scan_info->rate_ext_len, |
| 776 | scan_info->essid_len); |
| 777 | /* -- */ |
| 778 | pr_debug("bssid=%s\n", |
| 779 | print_mac(mac, &scan_info->hwinfo->bssid[2])); |
| 780 | pr_debug("essid=%s\n", scan_info->hwinfo->essid); |
| 781 | } |
| 782 | } |
| 783 | #endif |
| 784 | |
| 785 | static int gelic_wl_set_auth(struct net_device *netdev, |
| 786 | struct iw_request_info *info, |
| 787 | union iwreq_data *data, char *extra) |
| 788 | { |
| 789 | struct iw_param *param = &data->param; |
| 790 | struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); |
| 791 | unsigned long irqflag; |
| 792 | int ret = 0; |
| 793 | |
| 794 | pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX); |
| 795 | spin_lock_irqsave(&wl->lock, irqflag); |
| 796 | switch (param->flags & IW_AUTH_INDEX) { |
| 797 | case IW_AUTH_WPA_VERSION: |
| 798 | if (param->value & IW_AUTH_WPA_VERSION_DISABLED) { |
| 799 | pr_debug("%s: NO WPA selected\n", __func__); |
| 800 | wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE; |
| 801 | wl->group_cipher_method = GELIC_WL_CIPHER_WEP; |
| 802 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP; |
| 803 | } |
| 804 | if (param->value & IW_AUTH_WPA_VERSION_WPA) { |
| 805 | pr_debug("%s: WPA version 1 selected\n", __func__); |
| 806 | wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA; |
| 807 | wl->group_cipher_method = GELIC_WL_CIPHER_TKIP; |
| 808 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP; |
| 809 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; |
| 810 | } |
| 811 | if (param->value & IW_AUTH_WPA_VERSION_WPA2) { |
| 812 | /* |
| 813 | * As the hypervisor may not tell the cipher |
| 814 | * information of the AP if it is WPA2, |
| 815 | * you will not decide suitable cipher from |
| 816 | * its beacon. |
| 817 | * You should have knowledge about the AP's |
| 818 | * cipher infomation in other method prior to |
| 819 | * the association. |
| 820 | */ |
| 821 | if (!precise_ie()) |
| 822 | pr_info("%s: WPA2 may not work\n", __func__); |
| 823 | if (wpa2_capable()) { |
| 824 | wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA2; |
| 825 | wl->group_cipher_method = GELIC_WL_CIPHER_AES; |
| 826 | wl->pairwise_cipher_method = |
| 827 | GELIC_WL_CIPHER_AES; |
| 828 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; |
| 829 | } else |
| 830 | ret = -EINVAL; |
| 831 | } |
| 832 | break; |
| 833 | |
| 834 | case IW_AUTH_CIPHER_PAIRWISE: |
| 835 | if (param->value & |
| 836 | (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) { |
| 837 | pr_debug("%s: WEP selected\n", __func__); |
| 838 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP; |
| 839 | } |
| 840 | if (param->value & IW_AUTH_CIPHER_TKIP) { |
| 841 | pr_debug("%s: TKIP selected\n", __func__); |
| 842 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_TKIP; |
| 843 | } |
| 844 | if (param->value & IW_AUTH_CIPHER_CCMP) { |
| 845 | pr_debug("%s: CCMP selected\n", __func__); |
| 846 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_AES; |
| 847 | } |
| 848 | if (param->value & IW_AUTH_CIPHER_NONE) { |
| 849 | pr_debug("%s: no auth selected\n", __func__); |
| 850 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE; |
| 851 | } |
| 852 | break; |
| 853 | case IW_AUTH_CIPHER_GROUP: |
| 854 | if (param->value & |
| 855 | (IW_AUTH_CIPHER_WEP104 | IW_AUTH_CIPHER_WEP40)) { |
| 856 | pr_debug("%s: WEP selected\n", __func__); |
| 857 | wl->group_cipher_method = GELIC_WL_CIPHER_WEP; |
| 858 | } |
| 859 | if (param->value & IW_AUTH_CIPHER_TKIP) { |
| 860 | pr_debug("%s: TKIP selected\n", __func__); |
| 861 | wl->group_cipher_method = GELIC_WL_CIPHER_TKIP; |
| 862 | } |
| 863 | if (param->value & IW_AUTH_CIPHER_CCMP) { |
| 864 | pr_debug("%s: CCMP selected\n", __func__); |
| 865 | wl->group_cipher_method = GELIC_WL_CIPHER_AES; |
| 866 | } |
| 867 | if (param->value & IW_AUTH_CIPHER_NONE) { |
| 868 | pr_debug("%s: no auth selected\n", __func__); |
| 869 | wl->group_cipher_method = GELIC_WL_CIPHER_NONE; |
| 870 | } |
| 871 | break; |
| 872 | case IW_AUTH_80211_AUTH_ALG: |
| 873 | if (param->value & IW_AUTH_ALG_SHARED_KEY) { |
| 874 | pr_debug("%s: shared key specified\n", __func__); |
| 875 | wl->auth_method = GELIC_EURUS_AUTH_SHARED; |
| 876 | } else if (param->value & IW_AUTH_ALG_OPEN_SYSTEM) { |
| 877 | pr_debug("%s: open system specified\n", __func__); |
| 878 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; |
| 879 | } else |
| 880 | ret = -EINVAL; |
| 881 | break; |
| 882 | |
| 883 | case IW_AUTH_WPA_ENABLED: |
| 884 | if (param->value) { |
| 885 | pr_debug("%s: WPA enabled\n", __func__); |
| 886 | wl->wpa_level = GELIC_WL_WPA_LEVEL_WPA; |
| 887 | } else { |
| 888 | pr_debug("%s: WPA disabled\n", __func__); |
| 889 | wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE; |
| 890 | } |
| 891 | break; |
| 892 | |
| 893 | case IW_AUTH_KEY_MGMT: |
| 894 | if (param->value & IW_AUTH_KEY_MGMT_PSK) |
| 895 | break; |
| 896 | /* intentionally fall through */ |
| 897 | default: |
| 898 | ret = -EOPNOTSUPP; |
| 899 | break; |
| 900 | }; |
| 901 | |
| 902 | if (!ret) |
| 903 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); |
| 904 | |
| 905 | spin_unlock_irqrestore(&wl->lock, irqflag); |
| 906 | pr_debug("%s: -> %d\n", __func__, ret); |
| 907 | return ret; |
| 908 | } |
| 909 | |
| 910 | static int gelic_wl_get_auth(struct net_device *netdev, |
| 911 | struct iw_request_info *info, |
| 912 | union iwreq_data *iwreq, char *extra) |
| 913 | { |
| 914 | struct iw_param *param = &iwreq->param; |
| 915 | struct gelic_wl_info *wl = port_wl(netdev_port(netdev)); |
| 916 | unsigned long irqflag; |
| 917 | int ret = 0; |
| 918 | |
| 919 | pr_debug("%s: <- %d\n", __func__, param->flags & IW_AUTH_INDEX); |
| 920 | spin_lock_irqsave(&wl->lock, irqflag); |
| 921 | switch (param->flags & IW_AUTH_INDEX) { |
| 922 | case IW_AUTH_WPA_VERSION: |
| 923 | switch (wl->wpa_level) { |
| 924 | case GELIC_WL_WPA_LEVEL_WPA: |
| 925 | param->value |= IW_AUTH_WPA_VERSION_WPA; |
| 926 | break; |
| 927 | case GELIC_WL_WPA_LEVEL_WPA2: |
| 928 | param->value |= IW_AUTH_WPA_VERSION_WPA2; |
| 929 | break; |
| 930 | default: |
| 931 | param->value |= IW_AUTH_WPA_VERSION_DISABLED; |
| 932 | } |
| 933 | break; |
| 934 | |
| 935 | case IW_AUTH_80211_AUTH_ALG: |
| 936 | if (wl->auth_method == GELIC_EURUS_AUTH_SHARED) |
| 937 | param->value = IW_AUTH_ALG_SHARED_KEY; |
| 938 | else if (wl->auth_method == GELIC_EURUS_AUTH_OPEN) |
| 939 | param->value = IW_AUTH_ALG_OPEN_SYSTEM; |
| 940 | break; |
| 941 | |
| 942 | case IW_AUTH_WPA_ENABLED: |
| 943 | switch (wl->wpa_level) { |
| 944 | case GELIC_WL_WPA_LEVEL_WPA: |
| 945 | case GELIC_WL_WPA_LEVEL_WPA2: |
| 946 | param->value = 1; |
| 947 | break; |
| 948 | default: |
| 949 | param->value = 0; |
| 950 | break; |
| 951 | } |
| 952 | break; |
| 953 | default: |
| 954 | ret = -EOPNOTSUPP; |
| 955 | } |
| 956 | |
| 957 | spin_unlock_irqrestore(&wl->lock, irqflag); |
| 958 | pr_debug("%s: -> %d\n", __func__, ret); |
| 959 | return ret; |
| 960 | } |
| 961 | |
| 962 | /* SIOC{S,G}IWESSID */ |
| 963 | static int gelic_wl_set_essid(struct net_device *netdev, |
| 964 | struct iw_request_info *info, |
| 965 | union iwreq_data *data, char *extra) |
| 966 | { |
| 967 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); |
| 968 | unsigned long irqflag; |
| 969 | |
| 970 | pr_debug("%s: <- l=%d f=%d\n", __func__, |
| 971 | data->essid.length, data->essid.flags); |
| 972 | if (IW_ESSID_MAX_SIZE < data->essid.length) |
| 973 | return -EINVAL; |
| 974 | |
| 975 | spin_lock_irqsave(&wl->lock, irqflag); |
| 976 | if (data->essid.flags) { |
| 977 | wl->essid_len = data->essid.length; |
| 978 | memcpy(wl->essid, extra, wl->essid_len); |
| 979 | pr_debug("%s: essid = '%s'\n", __func__, extra); |
| 980 | set_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat); |
| 981 | } else { |
| 982 | pr_debug("%s: ESSID any \n", __func__); |
| 983 | clear_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat); |
| 984 | } |
| 985 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); |
| 986 | spin_unlock_irqrestore(&wl->lock, irqflag); |
| 987 | |
| 988 | |
| 989 | gelic_wl_try_associate(netdev); /* FIXME */ |
| 990 | pr_debug("%s: -> \n", __func__); |
| 991 | return 0; |
| 992 | } |
| 993 | |
| 994 | static int gelic_wl_get_essid(struct net_device *netdev, |
| 995 | struct iw_request_info *info, |
| 996 | union iwreq_data *data, char *extra) |
| 997 | { |
| 998 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); |
| 999 | unsigned long irqflag; |
| 1000 | |
| 1001 | pr_debug("%s: <- \n", __func__); |
Daniel Walker | bb2d67a | 2008-05-22 00:00:02 -0700 | [diff] [blame] | 1002 | mutex_lock(&wl->assoc_stat_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1003 | spin_lock_irqsave(&wl->lock, irqflag); |
| 1004 | if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat) || |
| 1005 | wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) { |
| 1006 | memcpy(extra, wl->essid, wl->essid_len); |
| 1007 | data->essid.length = wl->essid_len; |
| 1008 | data->essid.flags = 1; |
| 1009 | } else |
| 1010 | data->essid.flags = 0; |
| 1011 | |
Daniel Walker | bb2d67a | 2008-05-22 00:00:02 -0700 | [diff] [blame] | 1012 | mutex_unlock(&wl->assoc_stat_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1013 | spin_unlock_irqrestore(&wl->lock, irqflag); |
| 1014 | pr_debug("%s: -> len=%d \n", __func__, data->essid.length); |
| 1015 | |
| 1016 | return 0; |
| 1017 | } |
| 1018 | |
| 1019 | /* SIO{S,G}IWENCODE */ |
| 1020 | static int gelic_wl_set_encode(struct net_device *netdev, |
| 1021 | struct iw_request_info *info, |
| 1022 | union iwreq_data *data, char *extra) |
| 1023 | { |
| 1024 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); |
| 1025 | struct iw_point *enc = &data->encoding; |
| 1026 | __u16 flags; |
Vegard Nossum | 77bbadd | 2008-07-29 13:31:47 +0200 | [diff] [blame] | 1027 | unsigned long irqflag; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1028 | int key_index, index_specified; |
| 1029 | int ret = 0; |
| 1030 | |
| 1031 | pr_debug("%s: <- \n", __func__); |
| 1032 | flags = enc->flags & IW_ENCODE_FLAGS; |
| 1033 | key_index = enc->flags & IW_ENCODE_INDEX; |
| 1034 | |
| 1035 | pr_debug("%s: key_index = %d\n", __func__, key_index); |
| 1036 | pr_debug("%s: key_len = %d\n", __func__, enc->length); |
| 1037 | pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS); |
| 1038 | |
| 1039 | if (GELIC_WEP_KEYS < key_index) |
| 1040 | return -EINVAL; |
| 1041 | |
| 1042 | spin_lock_irqsave(&wl->lock, irqflag); |
| 1043 | if (key_index) { |
| 1044 | index_specified = 1; |
| 1045 | key_index--; |
| 1046 | } else { |
| 1047 | index_specified = 0; |
| 1048 | key_index = wl->current_key; |
| 1049 | } |
| 1050 | |
| 1051 | if (flags & IW_ENCODE_NOKEY) { |
| 1052 | /* if just IW_ENCODE_NOKEY, change current key index */ |
| 1053 | if (!flags && index_specified) { |
| 1054 | wl->current_key = key_index; |
| 1055 | goto done; |
| 1056 | } |
| 1057 | |
| 1058 | if (flags & IW_ENCODE_DISABLED) { |
| 1059 | if (!index_specified) { |
| 1060 | /* disable encryption */ |
| 1061 | wl->group_cipher_method = GELIC_WL_CIPHER_NONE; |
| 1062 | wl->pairwise_cipher_method = |
| 1063 | GELIC_WL_CIPHER_NONE; |
| 1064 | /* invalidate all key */ |
| 1065 | wl->key_enabled = 0; |
| 1066 | } else |
| 1067 | clear_bit(key_index, &wl->key_enabled); |
| 1068 | } |
| 1069 | |
| 1070 | if (flags & IW_ENCODE_OPEN) |
| 1071 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; |
| 1072 | if (flags & IW_ENCODE_RESTRICTED) { |
| 1073 | pr_info("%s: shared key mode enabled\n", __func__); |
| 1074 | wl->auth_method = GELIC_EURUS_AUTH_SHARED; |
| 1075 | } |
| 1076 | } else { |
| 1077 | if (IW_ENCODING_TOKEN_MAX < enc->length) { |
| 1078 | ret = -EINVAL; |
| 1079 | goto done; |
| 1080 | } |
| 1081 | wl->key_len[key_index] = enc->length; |
| 1082 | memcpy(wl->key[key_index], extra, enc->length); |
| 1083 | set_bit(key_index, &wl->key_enabled); |
| 1084 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_WEP; |
| 1085 | wl->group_cipher_method = GELIC_WL_CIPHER_WEP; |
| 1086 | } |
| 1087 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); |
| 1088 | done: |
| 1089 | spin_unlock_irqrestore(&wl->lock, irqflag); |
| 1090 | pr_debug("%s: -> \n", __func__); |
| 1091 | return ret; |
| 1092 | } |
| 1093 | |
| 1094 | static int gelic_wl_get_encode(struct net_device *netdev, |
| 1095 | struct iw_request_info *info, |
| 1096 | union iwreq_data *data, char *extra) |
| 1097 | { |
| 1098 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); |
| 1099 | struct iw_point *enc = &data->encoding; |
Vegard Nossum | 77bbadd | 2008-07-29 13:31:47 +0200 | [diff] [blame] | 1100 | unsigned long irqflag; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1101 | unsigned int key_index, index_specified; |
| 1102 | int ret = 0; |
| 1103 | |
| 1104 | pr_debug("%s: <- \n", __func__); |
| 1105 | key_index = enc->flags & IW_ENCODE_INDEX; |
| 1106 | pr_debug("%s: flag=%#x point=%p len=%d extra=%p\n", __func__, |
| 1107 | enc->flags, enc->pointer, enc->length, extra); |
| 1108 | if (GELIC_WEP_KEYS < key_index) |
| 1109 | return -EINVAL; |
| 1110 | |
| 1111 | spin_lock_irqsave(&wl->lock, irqflag); |
| 1112 | if (key_index) { |
| 1113 | index_specified = 1; |
| 1114 | key_index--; |
| 1115 | } else { |
| 1116 | index_specified = 0; |
| 1117 | key_index = wl->current_key; |
| 1118 | } |
| 1119 | |
| 1120 | if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) { |
| 1121 | switch (wl->auth_method) { |
| 1122 | case GELIC_EURUS_AUTH_OPEN: |
| 1123 | enc->flags = IW_ENCODE_OPEN; |
| 1124 | break; |
| 1125 | case GELIC_EURUS_AUTH_SHARED: |
| 1126 | enc->flags = IW_ENCODE_RESTRICTED; |
| 1127 | break; |
| 1128 | } |
| 1129 | } else |
| 1130 | enc->flags = IW_ENCODE_DISABLED; |
| 1131 | |
| 1132 | if (test_bit(key_index, &wl->key_enabled)) { |
| 1133 | if (enc->length < wl->key_len[key_index]) { |
| 1134 | ret = -EINVAL; |
| 1135 | goto done; |
| 1136 | } |
| 1137 | enc->length = wl->key_len[key_index]; |
| 1138 | memcpy(extra, wl->key[key_index], wl->key_len[key_index]); |
| 1139 | } else { |
| 1140 | enc->length = 0; |
| 1141 | enc->flags |= IW_ENCODE_NOKEY; |
| 1142 | } |
| 1143 | enc->flags |= key_index + 1; |
| 1144 | pr_debug("%s: -> flag=%x len=%d\n", __func__, |
| 1145 | enc->flags, enc->length); |
| 1146 | |
| 1147 | done: |
| 1148 | spin_unlock_irqrestore(&wl->lock, irqflag); |
| 1149 | return ret; |
| 1150 | } |
| 1151 | |
| 1152 | /* SIOC{S,G}IWAP */ |
| 1153 | static int gelic_wl_set_ap(struct net_device *netdev, |
| 1154 | struct iw_request_info *info, |
| 1155 | union iwreq_data *data, char *extra) |
| 1156 | { |
| 1157 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); |
| 1158 | unsigned long irqflag; |
| 1159 | |
| 1160 | pr_debug("%s: <-\n", __func__); |
| 1161 | if (data->ap_addr.sa_family != ARPHRD_ETHER) |
| 1162 | return -EINVAL; |
| 1163 | |
| 1164 | spin_lock_irqsave(&wl->lock, irqflag); |
| 1165 | if (is_valid_ether_addr(data->ap_addr.sa_data)) { |
| 1166 | memcpy(wl->bssid, data->ap_addr.sa_data, |
| 1167 | ETH_ALEN); |
| 1168 | set_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat); |
| 1169 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); |
| 1170 | pr_debug("%s: bss=%02x:%02x:%02x:%02x:%02x:%02x\n", |
| 1171 | __func__, |
| 1172 | wl->bssid[0], wl->bssid[1], |
| 1173 | wl->bssid[2], wl->bssid[3], |
| 1174 | wl->bssid[4], wl->bssid[5]); |
| 1175 | } else { |
| 1176 | pr_debug("%s: clear bssid\n", __func__); |
| 1177 | clear_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat); |
| 1178 | memset(wl->bssid, 0, ETH_ALEN); |
| 1179 | } |
| 1180 | spin_unlock_irqrestore(&wl->lock, irqflag); |
| 1181 | pr_debug("%s: ->\n", __func__); |
| 1182 | return 0; |
| 1183 | } |
| 1184 | |
| 1185 | static int gelic_wl_get_ap(struct net_device *netdev, |
| 1186 | struct iw_request_info *info, |
| 1187 | union iwreq_data *data, char *extra) |
| 1188 | { |
| 1189 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); |
| 1190 | unsigned long irqflag; |
| 1191 | |
| 1192 | pr_debug("%s: <-\n", __func__); |
Daniel Walker | bb2d67a | 2008-05-22 00:00:02 -0700 | [diff] [blame] | 1193 | mutex_lock(&wl->assoc_stat_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1194 | spin_lock_irqsave(&wl->lock, irqflag); |
| 1195 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) { |
| 1196 | data->ap_addr.sa_family = ARPHRD_ETHER; |
| 1197 | memcpy(data->ap_addr.sa_data, wl->active_bssid, |
| 1198 | ETH_ALEN); |
| 1199 | } else |
| 1200 | memset(data->ap_addr.sa_data, 0, ETH_ALEN); |
| 1201 | |
| 1202 | spin_unlock_irqrestore(&wl->lock, irqflag); |
Daniel Walker | bb2d67a | 2008-05-22 00:00:02 -0700 | [diff] [blame] | 1203 | mutex_unlock(&wl->assoc_stat_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1204 | pr_debug("%s: ->\n", __func__); |
| 1205 | return 0; |
| 1206 | } |
| 1207 | |
| 1208 | /* SIOC{S,G}IWENCODEEXT */ |
| 1209 | static int gelic_wl_set_encodeext(struct net_device *netdev, |
| 1210 | struct iw_request_info *info, |
| 1211 | union iwreq_data *data, char *extra) |
| 1212 | { |
| 1213 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); |
| 1214 | struct iw_point *enc = &data->encoding; |
| 1215 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; |
| 1216 | __u16 alg; |
| 1217 | __u16 flags; |
Vegard Nossum | 77bbadd | 2008-07-29 13:31:47 +0200 | [diff] [blame] | 1218 | unsigned long irqflag; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1219 | int key_index; |
| 1220 | int ret = 0; |
| 1221 | |
| 1222 | pr_debug("%s: <- \n", __func__); |
| 1223 | flags = enc->flags & IW_ENCODE_FLAGS; |
| 1224 | alg = ext->alg; |
| 1225 | key_index = enc->flags & IW_ENCODE_INDEX; |
| 1226 | |
| 1227 | pr_debug("%s: key_index = %d\n", __func__, key_index); |
| 1228 | pr_debug("%s: key_len = %d\n", __func__, enc->length); |
| 1229 | pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS); |
| 1230 | pr_debug("%s: ext_flag=%x\n", __func__, ext->ext_flags); |
| 1231 | pr_debug("%s: ext_key_len=%x\n", __func__, ext->key_len); |
| 1232 | |
| 1233 | if (GELIC_WEP_KEYS < key_index) |
| 1234 | return -EINVAL; |
| 1235 | |
| 1236 | spin_lock_irqsave(&wl->lock, irqflag); |
| 1237 | if (key_index) |
| 1238 | key_index--; |
| 1239 | else |
| 1240 | key_index = wl->current_key; |
| 1241 | |
| 1242 | if (!enc->length && (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY)) { |
| 1243 | /* reques to change default key index */ |
| 1244 | pr_debug("%s: request to change default key to %d\n", |
| 1245 | __func__, key_index); |
| 1246 | wl->current_key = key_index; |
| 1247 | goto done; |
| 1248 | } |
| 1249 | |
| 1250 | if (alg == IW_ENCODE_ALG_NONE || (flags & IW_ENCODE_DISABLED)) { |
| 1251 | pr_debug("%s: alg disabled\n", __func__); |
| 1252 | wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE; |
| 1253 | wl->group_cipher_method = GELIC_WL_CIPHER_NONE; |
| 1254 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE; |
| 1255 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; /* should be open */ |
| 1256 | } else if (alg == IW_ENCODE_ALG_WEP) { |
| 1257 | pr_debug("%s: WEP requested\n", __func__); |
| 1258 | if (flags & IW_ENCODE_OPEN) { |
| 1259 | pr_debug("%s: open key mode\n", __func__); |
| 1260 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; |
| 1261 | } |
| 1262 | if (flags & IW_ENCODE_RESTRICTED) { |
| 1263 | pr_debug("%s: shared key mode\n", __func__); |
| 1264 | wl->auth_method = GELIC_EURUS_AUTH_SHARED; |
| 1265 | } |
| 1266 | if (IW_ENCODING_TOKEN_MAX < ext->key_len) { |
| 1267 | pr_info("%s: key is too long %d\n", __func__, |
| 1268 | ext->key_len); |
| 1269 | ret = -EINVAL; |
| 1270 | goto done; |
| 1271 | } |
| 1272 | /* OK, update the key */ |
| 1273 | wl->key_len[key_index] = ext->key_len; |
| 1274 | memset(wl->key[key_index], 0, IW_ENCODING_TOKEN_MAX); |
| 1275 | memcpy(wl->key[key_index], ext->key, ext->key_len); |
| 1276 | set_bit(key_index, &wl->key_enabled); |
| 1277 | /* remember wep info changed */ |
| 1278 | set_bit(GELIC_WL_STAT_CONFIGURED, &wl->stat); |
Masakazu Mokuno | 04b2046 | 2008-05-30 16:52:44 +0900 | [diff] [blame] | 1279 | } else if (alg == IW_ENCODE_ALG_PMK) { |
| 1280 | if (ext->key_len != WPA_PSK_LEN) { |
| 1281 | pr_err("%s: PSK length wrong %d\n", __func__, |
| 1282 | ext->key_len); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1283 | ret = -EINVAL; |
| 1284 | goto done; |
| 1285 | } |
Masakazu Mokuno | 04b2046 | 2008-05-30 16:52:44 +0900 | [diff] [blame] | 1286 | memset(wl->psk, 0, sizeof(wl->psk)); |
| 1287 | memcpy(wl->psk, ext->key, ext->key_len); |
| 1288 | wl->psk_len = ext->key_len; |
| 1289 | wl->psk_type = GELIC_EURUS_WPA_PSK_BIN; |
| 1290 | /* remember PSK configured */ |
| 1291 | set_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1292 | } |
| 1293 | done: |
| 1294 | spin_unlock_irqrestore(&wl->lock, irqflag); |
| 1295 | pr_debug("%s: -> \n", __func__); |
| 1296 | return ret; |
| 1297 | } |
| 1298 | |
| 1299 | static int gelic_wl_get_encodeext(struct net_device *netdev, |
| 1300 | struct iw_request_info *info, |
| 1301 | union iwreq_data *data, char *extra) |
| 1302 | { |
| 1303 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); |
| 1304 | struct iw_point *enc = &data->encoding; |
| 1305 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; |
Vegard Nossum | 77bbadd | 2008-07-29 13:31:47 +0200 | [diff] [blame] | 1306 | unsigned long irqflag; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1307 | int key_index; |
| 1308 | int ret = 0; |
| 1309 | int max_key_len; |
| 1310 | |
| 1311 | pr_debug("%s: <- \n", __func__); |
| 1312 | |
| 1313 | max_key_len = enc->length - sizeof(struct iw_encode_ext); |
| 1314 | if (max_key_len < 0) |
| 1315 | return -EINVAL; |
| 1316 | key_index = enc->flags & IW_ENCODE_INDEX; |
| 1317 | |
| 1318 | pr_debug("%s: key_index = %d\n", __func__, key_index); |
| 1319 | pr_debug("%s: key_len = %d\n", __func__, enc->length); |
| 1320 | pr_debug("%s: flag=%x\n", __func__, enc->flags & IW_ENCODE_FLAGS); |
| 1321 | |
| 1322 | if (GELIC_WEP_KEYS < key_index) |
| 1323 | return -EINVAL; |
| 1324 | |
| 1325 | spin_lock_irqsave(&wl->lock, irqflag); |
| 1326 | if (key_index) |
| 1327 | key_index--; |
| 1328 | else |
| 1329 | key_index = wl->current_key; |
| 1330 | |
| 1331 | memset(ext, 0, sizeof(struct iw_encode_ext)); |
| 1332 | switch (wl->group_cipher_method) { |
| 1333 | case GELIC_WL_CIPHER_WEP: |
| 1334 | ext->alg = IW_ENCODE_ALG_WEP; |
| 1335 | enc->flags |= IW_ENCODE_ENABLED; |
| 1336 | break; |
| 1337 | case GELIC_WL_CIPHER_TKIP: |
| 1338 | ext->alg = IW_ENCODE_ALG_TKIP; |
| 1339 | enc->flags |= IW_ENCODE_ENABLED; |
| 1340 | break; |
| 1341 | case GELIC_WL_CIPHER_AES: |
| 1342 | ext->alg = IW_ENCODE_ALG_CCMP; |
| 1343 | enc->flags |= IW_ENCODE_ENABLED; |
| 1344 | break; |
| 1345 | case GELIC_WL_CIPHER_NONE: |
| 1346 | default: |
| 1347 | ext->alg = IW_ENCODE_ALG_NONE; |
| 1348 | enc->flags |= IW_ENCODE_NOKEY; |
| 1349 | break; |
| 1350 | } |
| 1351 | |
| 1352 | if (!(enc->flags & IW_ENCODE_NOKEY)) { |
| 1353 | if (max_key_len < wl->key_len[key_index]) { |
| 1354 | ret = -E2BIG; |
| 1355 | goto out; |
| 1356 | } |
| 1357 | if (test_bit(key_index, &wl->key_enabled)) |
| 1358 | memcpy(ext->key, wl->key[key_index], |
| 1359 | wl->key_len[key_index]); |
| 1360 | else |
| 1361 | pr_debug("%s: disabled key requested ix=%d\n", |
| 1362 | __func__, key_index); |
| 1363 | } |
| 1364 | out: |
| 1365 | spin_unlock_irqrestore(&wl->lock, irqflag); |
| 1366 | pr_debug("%s: -> \n", __func__); |
| 1367 | return ret; |
| 1368 | } |
| 1369 | /* SIOC{S,G}IWMODE */ |
| 1370 | static int gelic_wl_set_mode(struct net_device *netdev, |
| 1371 | struct iw_request_info *info, |
| 1372 | union iwreq_data *data, char *extra) |
| 1373 | { |
| 1374 | __u32 mode = data->mode; |
| 1375 | int ret; |
| 1376 | |
| 1377 | pr_debug("%s: <- \n", __func__); |
| 1378 | if (mode == IW_MODE_INFRA) |
| 1379 | ret = 0; |
| 1380 | else |
| 1381 | ret = -EOPNOTSUPP; |
| 1382 | pr_debug("%s: -> %d\n", __func__, ret); |
| 1383 | return ret; |
| 1384 | } |
| 1385 | |
| 1386 | static int gelic_wl_get_mode(struct net_device *netdev, |
| 1387 | struct iw_request_info *info, |
| 1388 | union iwreq_data *data, char *extra) |
| 1389 | { |
| 1390 | __u32 *mode = &data->mode; |
| 1391 | pr_debug("%s: <- \n", __func__); |
| 1392 | *mode = IW_MODE_INFRA; |
| 1393 | pr_debug("%s: ->\n", __func__); |
| 1394 | return 0; |
| 1395 | } |
| 1396 | |
Masakazu Mokuno | f409e34 | 2008-05-30 16:52:55 +0900 | [diff] [blame] | 1397 | #ifdef CONFIG_GELIC_WIRELESS_OLD_PSK_INTERFACE |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1398 | /* SIOCIWFIRSTPRIV */ |
| 1399 | static int hex2bin(u8 *str, u8 *bin, unsigned int len) |
| 1400 | { |
| 1401 | unsigned int i; |
| 1402 | static unsigned char *hex = "0123456789ABCDEF"; |
| 1403 | unsigned char *p, *q; |
| 1404 | u8 tmp; |
| 1405 | |
| 1406 | if (len != WPA_PSK_LEN * 2) |
| 1407 | return -EINVAL; |
| 1408 | |
| 1409 | for (i = 0; i < WPA_PSK_LEN * 2; i += 2) { |
| 1410 | p = strchr(hex, toupper(str[i])); |
| 1411 | q = strchr(hex, toupper(str[i + 1])); |
| 1412 | if (!p || !q) { |
| 1413 | pr_info("%s: unconvertible PSK digit=%d\n", |
| 1414 | __func__, i); |
| 1415 | return -EINVAL; |
| 1416 | } |
| 1417 | tmp = ((p - hex) << 4) + (q - hex); |
| 1418 | *bin++ = tmp; |
| 1419 | } |
| 1420 | return 0; |
| 1421 | }; |
| 1422 | |
| 1423 | static int gelic_wl_priv_set_psk(struct net_device *net_dev, |
| 1424 | struct iw_request_info *info, |
| 1425 | union iwreq_data *data, char *extra) |
| 1426 | { |
| 1427 | struct gelic_wl_info *wl = port_wl(netdev_priv(net_dev)); |
| 1428 | unsigned int len; |
Vegard Nossum | 77bbadd | 2008-07-29 13:31:47 +0200 | [diff] [blame] | 1429 | unsigned long irqflag; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1430 | int ret = 0; |
| 1431 | |
| 1432 | pr_debug("%s:<- len=%d\n", __func__, data->data.length); |
| 1433 | len = data->data.length - 1; |
| 1434 | if (len <= 2) |
| 1435 | return -EINVAL; |
| 1436 | |
| 1437 | spin_lock_irqsave(&wl->lock, irqflag); |
| 1438 | if (extra[0] == '"' && extra[len - 1] == '"') { |
| 1439 | pr_debug("%s: passphrase mode\n", __func__); |
| 1440 | /* pass phrase */ |
| 1441 | if (GELIC_WL_EURUS_PSK_MAX_LEN < (len - 2)) { |
| 1442 | pr_info("%s: passphrase too long\n", __func__); |
| 1443 | ret = -E2BIG; |
| 1444 | goto out; |
| 1445 | } |
| 1446 | memset(wl->psk, 0, sizeof(wl->psk)); |
| 1447 | wl->psk_len = len - 2; |
| 1448 | memcpy(wl->psk, &(extra[1]), wl->psk_len); |
| 1449 | wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE; |
| 1450 | } else { |
| 1451 | ret = hex2bin(extra, wl->psk, len); |
| 1452 | if (ret) |
| 1453 | goto out; |
| 1454 | wl->psk_len = WPA_PSK_LEN; |
| 1455 | wl->psk_type = GELIC_EURUS_WPA_PSK_BIN; |
| 1456 | } |
| 1457 | set_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat); |
| 1458 | out: |
| 1459 | spin_unlock_irqrestore(&wl->lock, irqflag); |
| 1460 | pr_debug("%s:->\n", __func__); |
| 1461 | return ret; |
| 1462 | } |
| 1463 | |
| 1464 | static int gelic_wl_priv_get_psk(struct net_device *net_dev, |
| 1465 | struct iw_request_info *info, |
| 1466 | union iwreq_data *data, char *extra) |
| 1467 | { |
| 1468 | struct gelic_wl_info *wl = port_wl(netdev_priv(net_dev)); |
| 1469 | char *p; |
Vegard Nossum | 77bbadd | 2008-07-29 13:31:47 +0200 | [diff] [blame] | 1470 | unsigned long irqflag; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1471 | unsigned int i; |
| 1472 | |
| 1473 | pr_debug("%s:<-\n", __func__); |
| 1474 | if (!capable(CAP_NET_ADMIN)) |
| 1475 | return -EPERM; |
| 1476 | |
| 1477 | spin_lock_irqsave(&wl->lock, irqflag); |
| 1478 | p = extra; |
| 1479 | if (test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat)) { |
| 1480 | if (wl->psk_type == GELIC_EURUS_WPA_PSK_BIN) { |
| 1481 | for (i = 0; i < wl->psk_len; i++) { |
| 1482 | sprintf(p, "%02xu", wl->psk[i]); |
| 1483 | p += 2; |
| 1484 | } |
| 1485 | *p = '\0'; |
| 1486 | data->data.length = wl->psk_len * 2; |
| 1487 | } else { |
| 1488 | *p++ = '"'; |
| 1489 | memcpy(p, wl->psk, wl->psk_len); |
| 1490 | p += wl->psk_len; |
| 1491 | *p++ = '"'; |
| 1492 | *p = '\0'; |
| 1493 | data->data.length = wl->psk_len + 2; |
| 1494 | } |
| 1495 | } else |
| 1496 | /* no psk set */ |
| 1497 | data->data.length = 0; |
| 1498 | spin_unlock_irqrestore(&wl->lock, irqflag); |
| 1499 | pr_debug("%s:-> %d\n", __func__, data->data.length); |
| 1500 | return 0; |
| 1501 | } |
Masakazu Mokuno | f409e34 | 2008-05-30 16:52:55 +0900 | [diff] [blame] | 1502 | #endif |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1503 | |
| 1504 | /* SIOCGIWNICKN */ |
| 1505 | static int gelic_wl_get_nick(struct net_device *net_dev, |
| 1506 | struct iw_request_info *info, |
| 1507 | union iwreq_data *data, char *extra) |
| 1508 | { |
| 1509 | strcpy(extra, "gelic_wl"); |
| 1510 | data->data.length = strlen(extra); |
| 1511 | data->data.flags = 1; |
| 1512 | return 0; |
| 1513 | } |
| 1514 | |
| 1515 | |
| 1516 | /* --- */ |
| 1517 | |
| 1518 | static struct iw_statistics *gelic_wl_get_wireless_stats( |
| 1519 | struct net_device *netdev) |
| 1520 | { |
| 1521 | |
| 1522 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); |
| 1523 | struct gelic_eurus_cmd *cmd; |
| 1524 | struct iw_statistics *is; |
| 1525 | struct gelic_eurus_rssi_info *rssi; |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 1526 | void *buf; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1527 | |
| 1528 | pr_debug("%s: <-\n", __func__); |
| 1529 | |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 1530 | buf = (void *)__get_free_page(GFP_KERNEL); |
| 1531 | if (!buf) |
| 1532 | return NULL; |
| 1533 | |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1534 | is = &wl->iwstat; |
| 1535 | memset(is, 0, sizeof(*is)); |
| 1536 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_RSSI_CFG, |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 1537 | buf, sizeof(*rssi)); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1538 | if (cmd && !cmd->status && !cmd->cmd_status) { |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 1539 | rssi = buf; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1540 | is->qual.level = be16_to_cpu(rssi->rssi); |
| 1541 | is->qual.updated = IW_QUAL_LEVEL_UPDATED | |
| 1542 | IW_QUAL_QUAL_INVALID | IW_QUAL_NOISE_INVALID; |
| 1543 | } else |
| 1544 | /* not associated */ |
| 1545 | is->qual.updated = IW_QUAL_ALL_INVALID; |
| 1546 | |
| 1547 | kfree(cmd); |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 1548 | free_page((unsigned long)buf); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1549 | pr_debug("%s: ->\n", __func__); |
| 1550 | return is; |
| 1551 | } |
| 1552 | |
| 1553 | /* |
| 1554 | * scanning helpers |
| 1555 | */ |
Masakazu Mokuno | 7fd871e | 2008-06-02 12:49:16 +0900 | [diff] [blame] | 1556 | static int gelic_wl_start_scan(struct gelic_wl_info *wl, int always_scan, |
| 1557 | u8 *essid, size_t essid_len) |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1558 | { |
| 1559 | struct gelic_eurus_cmd *cmd; |
| 1560 | int ret = 0; |
Masakazu Mokuno | 7fd871e | 2008-06-02 12:49:16 +0900 | [diff] [blame] | 1561 | void *buf = NULL; |
| 1562 | size_t len; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1563 | |
| 1564 | pr_debug("%s: <- always=%d\n", __func__, always_scan); |
Daniel Walker | 706ddd6 | 2008-05-22 00:00:01 -0700 | [diff] [blame] | 1565 | if (mutex_lock_interruptible(&wl->scan_lock)) |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1566 | return -ERESTARTSYS; |
| 1567 | |
| 1568 | /* |
| 1569 | * If already a scan in progress, do not trigger more |
| 1570 | */ |
| 1571 | if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING) { |
| 1572 | pr_debug("%s: scanning now\n", __func__); |
| 1573 | goto out; |
| 1574 | } |
| 1575 | |
| 1576 | init_completion(&wl->scan_done); |
| 1577 | /* |
| 1578 | * If we have already a bss list, don't try to get new |
| 1579 | */ |
| 1580 | if (!always_scan && wl->scan_stat == GELIC_WL_SCAN_STAT_GOT_LIST) { |
| 1581 | pr_debug("%s: already has the list\n", __func__); |
| 1582 | complete(&wl->scan_done); |
| 1583 | goto out; |
| 1584 | } |
Masakazu Mokuno | 7fd871e | 2008-06-02 12:49:16 +0900 | [diff] [blame] | 1585 | |
| 1586 | /* ESSID scan ? */ |
| 1587 | if (essid_len && essid) { |
| 1588 | buf = (void *)__get_free_page(GFP_KERNEL); |
| 1589 | if (!buf) { |
| 1590 | ret = -ENOMEM; |
| 1591 | goto out; |
| 1592 | } |
| 1593 | len = IW_ESSID_MAX_SIZE; /* hypervisor always requires 32 */ |
| 1594 | memset(buf, 0, len); |
| 1595 | memcpy(buf, essid, essid_len); |
| 1596 | pr_debug("%s: essid scan='%s'\n", __func__, (char *)buf); |
| 1597 | } else |
| 1598 | len = 0; |
| 1599 | |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1600 | /* |
| 1601 | * issue start scan request |
| 1602 | */ |
| 1603 | wl->scan_stat = GELIC_WL_SCAN_STAT_SCANNING; |
| 1604 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_START_SCAN, |
Masakazu Mokuno | 7fd871e | 2008-06-02 12:49:16 +0900 | [diff] [blame] | 1605 | buf, len); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1606 | if (!cmd || cmd->status || cmd->cmd_status) { |
| 1607 | wl->scan_stat = GELIC_WL_SCAN_STAT_INIT; |
| 1608 | complete(&wl->scan_done); |
| 1609 | ret = -ENOMEM; |
| 1610 | goto out; |
| 1611 | } |
| 1612 | kfree(cmd); |
| 1613 | out: |
Masakazu Mokuno | 7fd871e | 2008-06-02 12:49:16 +0900 | [diff] [blame] | 1614 | free_page((unsigned long)buf); |
Daniel Walker | 706ddd6 | 2008-05-22 00:00:01 -0700 | [diff] [blame] | 1615 | mutex_unlock(&wl->scan_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1616 | pr_debug("%s: ->\n", __func__); |
| 1617 | return ret; |
| 1618 | } |
| 1619 | |
| 1620 | /* |
| 1621 | * retrieve scan result from the chip (hypervisor) |
| 1622 | * this function is invoked by schedule work. |
| 1623 | */ |
| 1624 | static void gelic_wl_scan_complete_event(struct gelic_wl_info *wl) |
| 1625 | { |
| 1626 | struct gelic_eurus_cmd *cmd = NULL; |
| 1627 | struct gelic_wl_scan_info *target, *tmp; |
| 1628 | struct gelic_wl_scan_info *oldest = NULL; |
| 1629 | struct gelic_eurus_scan_info *scan_info; |
| 1630 | unsigned int scan_info_size; |
| 1631 | union iwreq_data data; |
| 1632 | unsigned long this_time = jiffies; |
| 1633 | unsigned int data_len, i, found, r; |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 1634 | void *buf; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1635 | DECLARE_MAC_BUF(mac); |
| 1636 | |
| 1637 | pr_debug("%s:start\n", __func__); |
Daniel Walker | 706ddd6 | 2008-05-22 00:00:01 -0700 | [diff] [blame] | 1638 | mutex_lock(&wl->scan_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1639 | |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 1640 | buf = (void *)__get_free_page(GFP_KERNEL); |
| 1641 | if (!buf) { |
| 1642 | pr_info("%s: scan buffer alloc failed\n", __func__); |
| 1643 | goto out; |
| 1644 | } |
| 1645 | |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1646 | if (wl->scan_stat != GELIC_WL_SCAN_STAT_SCANNING) { |
| 1647 | /* |
| 1648 | * stop() may be called while scanning, ignore result |
| 1649 | */ |
| 1650 | pr_debug("%s: scan complete when stat != scanning(%d)\n", |
| 1651 | __func__, wl->scan_stat); |
| 1652 | goto out; |
| 1653 | } |
| 1654 | |
| 1655 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_GET_SCAN, |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 1656 | buf, PAGE_SIZE); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1657 | if (!cmd || cmd->status || cmd->cmd_status) { |
| 1658 | wl->scan_stat = GELIC_WL_SCAN_STAT_INIT; |
| 1659 | pr_info("%s:cmd failed\n", __func__); |
| 1660 | kfree(cmd); |
| 1661 | goto out; |
| 1662 | } |
| 1663 | data_len = cmd->size; |
| 1664 | pr_debug("%s: data_len = %d\n", __func__, data_len); |
| 1665 | kfree(cmd); |
| 1666 | |
| 1667 | /* OK, bss list retrieved */ |
| 1668 | wl->scan_stat = GELIC_WL_SCAN_STAT_GOT_LIST; |
| 1669 | |
| 1670 | /* mark all entries are old */ |
| 1671 | list_for_each_entry_safe(target, tmp, &wl->network_list, list) { |
| 1672 | target->valid = 0; |
| 1673 | /* expire too old entries */ |
| 1674 | if (time_before(target->last_scanned + wl->scan_age, |
| 1675 | this_time)) { |
| 1676 | kfree(target->hwinfo); |
| 1677 | target->hwinfo = NULL; |
| 1678 | list_move_tail(&target->list, &wl->network_free_list); |
| 1679 | } |
| 1680 | } |
| 1681 | |
| 1682 | /* put them in the newtork_list */ |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 1683 | for (i = 0, scan_info_size = 0, scan_info = buf; |
Masakazu Mokuno | aad4c7d | 2008-03-11 13:15:44 +0900 | [diff] [blame] | 1684 | scan_info_size < data_len; |
| 1685 | i++, scan_info_size += be16_to_cpu(scan_info->size), |
| 1686 | scan_info = (void *)scan_info + be16_to_cpu(scan_info->size)) { |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1687 | pr_debug("%s:size=%d bssid=%s scan_info=%p\n", __func__, |
| 1688 | be16_to_cpu(scan_info->size), |
| 1689 | print_mac(mac, &scan_info->bssid[2]), scan_info); |
Masakazu Mokuno | aad4c7d | 2008-03-11 13:15:44 +0900 | [diff] [blame] | 1690 | |
| 1691 | /* |
| 1692 | * The wireless firmware may return invalid channel 0 and/or |
| 1693 | * invalid rate if the AP emits zero length SSID ie. As this |
| 1694 | * scan information is useless, ignore it |
| 1695 | */ |
| 1696 | if (!be16_to_cpu(scan_info->channel) || !scan_info->rate[0]) { |
| 1697 | pr_debug("%s: invalid scan info\n", __func__); |
| 1698 | continue; |
| 1699 | } |
| 1700 | |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1701 | found = 0; |
| 1702 | oldest = NULL; |
| 1703 | list_for_each_entry(target, &wl->network_list, list) { |
| 1704 | if (!compare_ether_addr(&target->hwinfo->bssid[2], |
| 1705 | &scan_info->bssid[2])) { |
| 1706 | found = 1; |
| 1707 | pr_debug("%s: same BBS found scanned list\n", |
| 1708 | __func__); |
| 1709 | break; |
| 1710 | } |
| 1711 | if (!oldest || |
| 1712 | (target->last_scanned < oldest->last_scanned)) |
| 1713 | oldest = target; |
| 1714 | } |
| 1715 | |
| 1716 | if (!found) { |
| 1717 | /* not found in the list */ |
| 1718 | if (list_empty(&wl->network_free_list)) { |
| 1719 | /* expire oldest */ |
| 1720 | target = oldest; |
| 1721 | } else { |
| 1722 | target = list_entry(wl->network_free_list.next, |
| 1723 | struct gelic_wl_scan_info, |
| 1724 | list); |
| 1725 | } |
| 1726 | } |
| 1727 | |
| 1728 | /* update the item */ |
| 1729 | target->last_scanned = this_time; |
| 1730 | target->valid = 1; |
| 1731 | target->eurus_index = i; |
| 1732 | kfree(target->hwinfo); |
| 1733 | target->hwinfo = kzalloc(be16_to_cpu(scan_info->size), |
| 1734 | GFP_KERNEL); |
| 1735 | if (!target->hwinfo) { |
| 1736 | pr_info("%s: kzalloc failed\n", __func__); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1737 | continue; |
| 1738 | } |
| 1739 | /* copy hw scan info */ |
| 1740 | memcpy(target->hwinfo, scan_info, scan_info->size); |
| 1741 | target->essid_len = strnlen(scan_info->essid, |
| 1742 | sizeof(scan_info->essid)); |
| 1743 | target->rate_len = 0; |
| 1744 | for (r = 0; r < MAX_RATES_LENGTH; r++) |
| 1745 | if (scan_info->rate[r]) |
| 1746 | target->rate_len++; |
| 1747 | if (8 < target->rate_len) |
| 1748 | pr_info("%s: AP returns %d rates\n", __func__, |
| 1749 | target->rate_len); |
| 1750 | target->rate_ext_len = 0; |
| 1751 | for (r = 0; r < MAX_RATES_EX_LENGTH; r++) |
| 1752 | if (scan_info->ext_rate[r]) |
| 1753 | target->rate_ext_len++; |
| 1754 | list_move_tail(&target->list, &wl->network_list); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1755 | } |
| 1756 | memset(&data, 0, sizeof(data)); |
| 1757 | wireless_send_event(port_to_netdev(wl_port(wl)), SIOCGIWSCAN, &data, |
| 1758 | NULL); |
| 1759 | out: |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 1760 | free_page((unsigned long)buf); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1761 | complete(&wl->scan_done); |
Daniel Walker | 706ddd6 | 2008-05-22 00:00:01 -0700 | [diff] [blame] | 1762 | mutex_unlock(&wl->scan_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1763 | pr_debug("%s:end\n", __func__); |
| 1764 | } |
| 1765 | |
| 1766 | /* |
| 1767 | * Select an appropriate bss from current scan list regarding |
| 1768 | * current settings from userspace. |
| 1769 | * The caller must hold wl->scan_lock, |
| 1770 | * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST |
| 1771 | */ |
| 1772 | static void update_best(struct gelic_wl_scan_info **best, |
| 1773 | struct gelic_wl_scan_info *candid, |
| 1774 | int *best_weight, |
| 1775 | int *weight) |
| 1776 | { |
| 1777 | if (*best_weight < ++(*weight)) { |
| 1778 | *best_weight = *weight; |
| 1779 | *best = candid; |
| 1780 | } |
| 1781 | } |
| 1782 | |
| 1783 | static |
| 1784 | struct gelic_wl_scan_info *gelic_wl_find_best_bss(struct gelic_wl_info *wl) |
| 1785 | { |
| 1786 | struct gelic_wl_scan_info *scan_info; |
| 1787 | struct gelic_wl_scan_info *best_bss; |
| 1788 | int weight, best_weight; |
| 1789 | u16 security; |
| 1790 | DECLARE_MAC_BUF(mac); |
| 1791 | |
| 1792 | pr_debug("%s: <-\n", __func__); |
| 1793 | |
| 1794 | best_bss = NULL; |
| 1795 | best_weight = 0; |
| 1796 | |
| 1797 | list_for_each_entry(scan_info, &wl->network_list, list) { |
| 1798 | pr_debug("%s: station %p\n", __func__, scan_info); |
| 1799 | |
| 1800 | if (!scan_info->valid) { |
| 1801 | pr_debug("%s: station invalid\n", __func__); |
| 1802 | continue; |
| 1803 | } |
| 1804 | |
| 1805 | /* If bss specified, check it only */ |
| 1806 | if (test_bit(GELIC_WL_STAT_BSSID_SET, &wl->stat)) { |
| 1807 | if (!compare_ether_addr(&scan_info->hwinfo->bssid[2], |
| 1808 | wl->bssid)) { |
| 1809 | best_bss = scan_info; |
| 1810 | pr_debug("%s: bssid matched\n", __func__); |
| 1811 | break; |
| 1812 | } else { |
| 1813 | pr_debug("%s: bssid unmached\n", __func__); |
| 1814 | continue; |
| 1815 | } |
| 1816 | } |
| 1817 | |
| 1818 | weight = 0; |
| 1819 | |
| 1820 | /* security */ |
| 1821 | security = be16_to_cpu(scan_info->hwinfo->security) & |
| 1822 | GELIC_EURUS_SCAN_SEC_MASK; |
| 1823 | if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) { |
| 1824 | if (security == GELIC_EURUS_SCAN_SEC_WPA2) |
| 1825 | update_best(&best_bss, scan_info, |
| 1826 | &best_weight, &weight); |
| 1827 | else |
| 1828 | continue; |
| 1829 | } else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA) { |
| 1830 | if (security == GELIC_EURUS_SCAN_SEC_WPA) |
| 1831 | update_best(&best_bss, scan_info, |
| 1832 | &best_weight, &weight); |
| 1833 | else |
| 1834 | continue; |
| 1835 | } else if (wl->wpa_level == GELIC_WL_WPA_LEVEL_NONE && |
| 1836 | wl->group_cipher_method == GELIC_WL_CIPHER_WEP) { |
| 1837 | if (security == GELIC_EURUS_SCAN_SEC_WEP) |
| 1838 | update_best(&best_bss, scan_info, |
| 1839 | &best_weight, &weight); |
| 1840 | else |
| 1841 | continue; |
| 1842 | } |
| 1843 | |
| 1844 | /* If ESSID is set, check it */ |
| 1845 | if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) { |
| 1846 | if ((scan_info->essid_len == wl->essid_len) && |
| 1847 | !strncmp(wl->essid, |
| 1848 | scan_info->hwinfo->essid, |
| 1849 | scan_info->essid_len)) |
| 1850 | update_best(&best_bss, scan_info, |
| 1851 | &best_weight, &weight); |
| 1852 | else |
| 1853 | continue; |
| 1854 | } |
| 1855 | } |
| 1856 | |
| 1857 | #ifdef DEBUG |
| 1858 | pr_debug("%s: -> bss=%p\n", __func__, best_bss); |
| 1859 | if (best_bss) { |
| 1860 | pr_debug("%s:addr=%s\n", __func__, |
| 1861 | print_mac(mac, &best_bss->hwinfo->bssid[2])); |
| 1862 | } |
| 1863 | #endif |
| 1864 | return best_bss; |
| 1865 | } |
| 1866 | |
| 1867 | /* |
| 1868 | * Setup WEP configuration to the chip |
| 1869 | * The caller must hold wl->scan_lock, |
| 1870 | * and on the state of wl->scan_state == GELIC_WL_SCAN_GOT_LIST |
| 1871 | */ |
| 1872 | static int gelic_wl_do_wep_setup(struct gelic_wl_info *wl) |
| 1873 | { |
| 1874 | unsigned int i; |
| 1875 | struct gelic_eurus_wep_cfg *wep; |
| 1876 | struct gelic_eurus_cmd *cmd; |
| 1877 | int wep104 = 0; |
| 1878 | int have_key = 0; |
| 1879 | int ret = 0; |
| 1880 | |
| 1881 | pr_debug("%s: <-\n", __func__); |
| 1882 | /* we can assume no one should uses the buffer */ |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 1883 | wep = (struct gelic_eurus_wep_cfg *)__get_free_page(GFP_KERNEL); |
| 1884 | if (!wep) |
| 1885 | return -ENOMEM; |
| 1886 | |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1887 | memset(wep, 0, sizeof(*wep)); |
| 1888 | |
| 1889 | if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) { |
| 1890 | pr_debug("%s: WEP mode\n", __func__); |
| 1891 | for (i = 0; i < GELIC_WEP_KEYS; i++) { |
| 1892 | if (!test_bit(i, &wl->key_enabled)) |
| 1893 | continue; |
| 1894 | |
| 1895 | pr_debug("%s: key#%d enabled\n", __func__, i); |
| 1896 | have_key = 1; |
| 1897 | if (wl->key_len[i] == 13) |
| 1898 | wep104 = 1; |
| 1899 | else if (wl->key_len[i] != 5) { |
| 1900 | pr_info("%s: wrong wep key[%d]=%d\n", |
| 1901 | __func__, i, wl->key_len[i]); |
| 1902 | ret = -EINVAL; |
| 1903 | goto out; |
| 1904 | } |
| 1905 | memcpy(wep->key[i], wl->key[i], wl->key_len[i]); |
| 1906 | } |
| 1907 | |
| 1908 | if (!have_key) { |
| 1909 | pr_info("%s: all wep key disabled\n", __func__); |
| 1910 | ret = -EINVAL; |
| 1911 | goto out; |
| 1912 | } |
| 1913 | |
| 1914 | if (wep104) { |
| 1915 | pr_debug("%s: 104bit key\n", __func__); |
| 1916 | wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_104BIT); |
| 1917 | } else { |
| 1918 | pr_debug("%s: 40bit key\n", __func__); |
| 1919 | wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_40BIT); |
| 1920 | } |
| 1921 | } else { |
| 1922 | pr_debug("%s: NO encryption\n", __func__); |
| 1923 | wep->security = cpu_to_be16(GELIC_EURUS_WEP_SEC_NONE); |
| 1924 | } |
| 1925 | |
| 1926 | /* issue wep setup */ |
| 1927 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WEP_CFG, |
| 1928 | wep, sizeof(*wep)); |
| 1929 | if (!cmd) |
| 1930 | ret = -ENOMEM; |
| 1931 | else if (cmd->status || cmd->cmd_status) |
| 1932 | ret = -ENXIO; |
| 1933 | |
| 1934 | kfree(cmd); |
| 1935 | out: |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 1936 | free_page((unsigned long)wep); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1937 | pr_debug("%s: ->\n", __func__); |
| 1938 | return ret; |
| 1939 | } |
| 1940 | |
| 1941 | #ifdef DEBUG |
| 1942 | static const char *wpasecstr(enum gelic_eurus_wpa_security sec) |
| 1943 | { |
| 1944 | switch (sec) { |
| 1945 | case GELIC_EURUS_WPA_SEC_NONE: |
| 1946 | return "NONE"; |
| 1947 | break; |
| 1948 | case GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP: |
| 1949 | return "WPA_TKIP_TKIP"; |
| 1950 | break; |
| 1951 | case GELIC_EURUS_WPA_SEC_WPA_TKIP_AES: |
| 1952 | return "WPA_TKIP_AES"; |
| 1953 | break; |
| 1954 | case GELIC_EURUS_WPA_SEC_WPA_AES_AES: |
| 1955 | return "WPA_AES_AES"; |
| 1956 | break; |
| 1957 | case GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP: |
| 1958 | return "WPA2_TKIP_TKIP"; |
| 1959 | break; |
| 1960 | case GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES: |
| 1961 | return "WPA2_TKIP_AES"; |
| 1962 | break; |
| 1963 | case GELIC_EURUS_WPA_SEC_WPA2_AES_AES: |
| 1964 | return "WPA2_AES_AES"; |
| 1965 | break; |
| 1966 | } |
| 1967 | return ""; |
| 1968 | }; |
| 1969 | #endif |
| 1970 | |
| 1971 | static int gelic_wl_do_wpa_setup(struct gelic_wl_info *wl) |
| 1972 | { |
| 1973 | struct gelic_eurus_wpa_cfg *wpa; |
| 1974 | struct gelic_eurus_cmd *cmd; |
| 1975 | u16 security; |
| 1976 | int ret = 0; |
| 1977 | |
| 1978 | pr_debug("%s: <-\n", __func__); |
| 1979 | /* we can assume no one should uses the buffer */ |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 1980 | wpa = (struct gelic_eurus_wpa_cfg *)__get_free_page(GFP_KERNEL); |
| 1981 | if (!wpa) |
| 1982 | return -ENOMEM; |
| 1983 | |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 1984 | memset(wpa, 0, sizeof(*wpa)); |
| 1985 | |
| 1986 | if (!test_bit(GELIC_WL_STAT_WPA_PSK_SET, &wl->stat)) |
| 1987 | pr_info("%s: PSK not configured yet\n", __func__); |
| 1988 | |
| 1989 | /* copy key */ |
| 1990 | memcpy(wpa->psk, wl->psk, wl->psk_len); |
| 1991 | |
| 1992 | /* set security level */ |
| 1993 | if (wl->wpa_level == GELIC_WL_WPA_LEVEL_WPA2) { |
| 1994 | if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) { |
| 1995 | security = GELIC_EURUS_WPA_SEC_WPA2_AES_AES; |
| 1996 | } else { |
| 1997 | if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES && |
| 1998 | precise_ie()) |
| 1999 | security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_AES; |
| 2000 | else |
| 2001 | security = GELIC_EURUS_WPA_SEC_WPA2_TKIP_TKIP; |
| 2002 | } |
| 2003 | } else { |
| 2004 | if (wl->group_cipher_method == GELIC_WL_CIPHER_AES) { |
| 2005 | security = GELIC_EURUS_WPA_SEC_WPA_AES_AES; |
| 2006 | } else { |
| 2007 | if (wl->pairwise_cipher_method == GELIC_WL_CIPHER_AES && |
| 2008 | precise_ie()) |
| 2009 | security = GELIC_EURUS_WPA_SEC_WPA_TKIP_AES; |
| 2010 | else |
| 2011 | security = GELIC_EURUS_WPA_SEC_WPA_TKIP_TKIP; |
| 2012 | } |
| 2013 | } |
| 2014 | wpa->security = cpu_to_be16(security); |
| 2015 | |
| 2016 | /* PSK type */ |
| 2017 | wpa->psk_type = cpu_to_be16(wl->psk_type); |
| 2018 | #ifdef DEBUG |
| 2019 | pr_debug("%s: sec=%s psktype=%s\nn", __func__, |
| 2020 | wpasecstr(wpa->security), |
| 2021 | (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ? |
| 2022 | "BIN" : "passphrase"); |
| 2023 | #if 0 |
| 2024 | /* |
| 2025 | * don't enable here if you plan to submit |
| 2026 | * the debug log because this dumps your precious |
| 2027 | * passphrase/key. |
| 2028 | */ |
| 2029 | pr_debug("%s: psk=%s\n", |
| 2030 | (wpa->psk_type == GELIC_EURUS_WPA_PSK_BIN) ? |
| 2031 | (char *)"N/A" : (char *)wpa->psk); |
| 2032 | #endif |
| 2033 | #endif |
| 2034 | /* issue wpa setup */ |
| 2035 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_WPA_CFG, |
| 2036 | wpa, sizeof(*wpa)); |
| 2037 | if (!cmd) |
| 2038 | ret = -ENOMEM; |
| 2039 | else if (cmd->status || cmd->cmd_status) |
| 2040 | ret = -ENXIO; |
| 2041 | kfree(cmd); |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 2042 | free_page((unsigned long)wpa); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2043 | pr_debug("%s: --> %d\n", __func__, ret); |
| 2044 | return ret; |
| 2045 | } |
| 2046 | |
| 2047 | /* |
| 2048 | * Start association. caller must hold assoc_stat_lock |
| 2049 | */ |
| 2050 | static int gelic_wl_associate_bss(struct gelic_wl_info *wl, |
| 2051 | struct gelic_wl_scan_info *bss) |
| 2052 | { |
| 2053 | struct gelic_eurus_cmd *cmd; |
| 2054 | struct gelic_eurus_common_cfg *common; |
| 2055 | int ret = 0; |
| 2056 | unsigned long rc; |
| 2057 | |
| 2058 | pr_debug("%s: <-\n", __func__); |
| 2059 | |
| 2060 | /* do common config */ |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 2061 | common = (struct gelic_eurus_common_cfg *)__get_free_page(GFP_KERNEL); |
| 2062 | if (!common) |
| 2063 | return -ENOMEM; |
| 2064 | |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2065 | memset(common, 0, sizeof(*common)); |
| 2066 | common->bss_type = cpu_to_be16(GELIC_EURUS_BSS_INFRA); |
| 2067 | common->op_mode = cpu_to_be16(GELIC_EURUS_OPMODE_11BG); |
| 2068 | |
| 2069 | common->scan_index = cpu_to_be16(bss->eurus_index); |
| 2070 | switch (wl->auth_method) { |
| 2071 | case GELIC_EURUS_AUTH_OPEN: |
| 2072 | common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_OPEN); |
| 2073 | break; |
| 2074 | case GELIC_EURUS_AUTH_SHARED: |
| 2075 | common->auth_method = cpu_to_be16(GELIC_EURUS_AUTH_SHARED); |
| 2076 | break; |
| 2077 | } |
| 2078 | |
| 2079 | #ifdef DEBUG |
| 2080 | scan_list_dump(wl); |
| 2081 | #endif |
| 2082 | pr_debug("%s: common cfg index=%d bsstype=%d auth=%d\n", __func__, |
| 2083 | be16_to_cpu(common->scan_index), |
| 2084 | be16_to_cpu(common->bss_type), |
| 2085 | be16_to_cpu(common->auth_method)); |
| 2086 | |
| 2087 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_SET_COMMON_CFG, |
| 2088 | common, sizeof(*common)); |
| 2089 | if (!cmd || cmd->status || cmd->cmd_status) { |
| 2090 | ret = -ENOMEM; |
| 2091 | kfree(cmd); |
| 2092 | goto out; |
| 2093 | } |
| 2094 | kfree(cmd); |
| 2095 | |
| 2096 | /* WEP/WPA */ |
| 2097 | switch (wl->wpa_level) { |
| 2098 | case GELIC_WL_WPA_LEVEL_NONE: |
| 2099 | /* If WEP or no security, setup WEP config */ |
| 2100 | ret = gelic_wl_do_wep_setup(wl); |
| 2101 | break; |
| 2102 | case GELIC_WL_WPA_LEVEL_WPA: |
| 2103 | case GELIC_WL_WPA_LEVEL_WPA2: |
| 2104 | ret = gelic_wl_do_wpa_setup(wl); |
| 2105 | break; |
| 2106 | }; |
| 2107 | |
| 2108 | if (ret) { |
| 2109 | pr_debug("%s: WEP/WPA setup failed %d\n", __func__, |
| 2110 | ret); |
| 2111 | } |
| 2112 | |
| 2113 | /* start association */ |
| 2114 | init_completion(&wl->assoc_done); |
| 2115 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATING; |
| 2116 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_ASSOC, |
| 2117 | NULL, 0); |
| 2118 | if (!cmd || cmd->status || cmd->cmd_status) { |
| 2119 | pr_debug("%s: assoc request failed\n", __func__); |
| 2120 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN; |
| 2121 | kfree(cmd); |
| 2122 | ret = -ENOMEM; |
| 2123 | gelic_wl_send_iwap_event(wl, NULL); |
| 2124 | goto out; |
| 2125 | } |
| 2126 | kfree(cmd); |
| 2127 | |
| 2128 | /* wait for connected event */ |
| 2129 | rc = wait_for_completion_timeout(&wl->assoc_done, HZ * 4);/*FIXME*/ |
| 2130 | |
| 2131 | if (!rc) { |
| 2132 | /* timeouted. Maybe key or cyrpt mode is wrong */ |
| 2133 | pr_info("%s: connect timeout \n", __func__); |
| 2134 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, |
| 2135 | NULL, 0); |
| 2136 | kfree(cmd); |
| 2137 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN; |
| 2138 | gelic_wl_send_iwap_event(wl, NULL); |
| 2139 | ret = -ENXIO; |
| 2140 | } else { |
| 2141 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_ASSOCIATED; |
| 2142 | /* copy bssid */ |
| 2143 | memcpy(wl->active_bssid, &bss->hwinfo->bssid[2], ETH_ALEN); |
| 2144 | |
| 2145 | /* send connect event */ |
| 2146 | gelic_wl_send_iwap_event(wl, wl->active_bssid); |
| 2147 | pr_info("%s: connected\n", __func__); |
| 2148 | } |
| 2149 | out: |
Masakazu Mokuno | 13de15e | 2008-05-30 16:27:24 +0900 | [diff] [blame] | 2150 | free_page((unsigned long)common); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2151 | pr_debug("%s: ->\n", __func__); |
| 2152 | return ret; |
| 2153 | } |
| 2154 | |
| 2155 | /* |
| 2156 | * connected event |
| 2157 | */ |
| 2158 | static void gelic_wl_connected_event(struct gelic_wl_info *wl, |
| 2159 | u64 event) |
| 2160 | { |
| 2161 | u64 desired_event = 0; |
| 2162 | |
| 2163 | switch (wl->wpa_level) { |
| 2164 | case GELIC_WL_WPA_LEVEL_NONE: |
| 2165 | desired_event = GELIC_LV1_WL_EVENT_CONNECTED; |
| 2166 | break; |
| 2167 | case GELIC_WL_WPA_LEVEL_WPA: |
| 2168 | case GELIC_WL_WPA_LEVEL_WPA2: |
| 2169 | desired_event = GELIC_LV1_WL_EVENT_WPA_CONNECTED; |
| 2170 | break; |
| 2171 | } |
| 2172 | |
| 2173 | if (desired_event == event) { |
| 2174 | pr_debug("%s: completed \n", __func__); |
| 2175 | complete(&wl->assoc_done); |
| 2176 | netif_carrier_on(port_to_netdev(wl_port(wl))); |
| 2177 | } else |
| 2178 | pr_debug("%s: event %#lx under wpa\n", |
| 2179 | __func__, event); |
| 2180 | } |
| 2181 | |
| 2182 | /* |
| 2183 | * disconnect event |
| 2184 | */ |
| 2185 | static void gelic_wl_disconnect_event(struct gelic_wl_info *wl, |
| 2186 | u64 event) |
| 2187 | { |
| 2188 | struct gelic_eurus_cmd *cmd; |
| 2189 | int lock; |
| 2190 | |
| 2191 | /* |
| 2192 | * If we fall here in the middle of association, |
| 2193 | * associate_bss() should be waiting for complation of |
| 2194 | * wl->assoc_done. |
| 2195 | * As it waits with timeout, just leave assoc_done |
| 2196 | * uncompleted, then it terminates with timeout |
| 2197 | */ |
Daniel Walker | bb2d67a | 2008-05-22 00:00:02 -0700 | [diff] [blame] | 2198 | if (!mutex_trylock(&wl->assoc_stat_lock)) { |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2199 | pr_debug("%s: already locked\n", __func__); |
| 2200 | lock = 0; |
| 2201 | } else { |
| 2202 | pr_debug("%s: obtain lock\n", __func__); |
| 2203 | lock = 1; |
| 2204 | } |
| 2205 | |
| 2206 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0); |
| 2207 | kfree(cmd); |
| 2208 | |
| 2209 | /* send disconnected event to the supplicant */ |
| 2210 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) |
| 2211 | gelic_wl_send_iwap_event(wl, NULL); |
| 2212 | |
| 2213 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN; |
| 2214 | netif_carrier_off(port_to_netdev(wl_port(wl))); |
| 2215 | |
| 2216 | if (lock) |
Daniel Walker | bb2d67a | 2008-05-22 00:00:02 -0700 | [diff] [blame] | 2217 | mutex_unlock(&wl->assoc_stat_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2218 | } |
| 2219 | /* |
| 2220 | * event worker |
| 2221 | */ |
| 2222 | #ifdef DEBUG |
| 2223 | static const char *eventstr(enum gelic_lv1_wl_event event) |
| 2224 | { |
| 2225 | static char buf[32]; |
| 2226 | char *ret; |
| 2227 | if (event & GELIC_LV1_WL_EVENT_DEVICE_READY) |
| 2228 | ret = "EURUS_READY"; |
| 2229 | else if (event & GELIC_LV1_WL_EVENT_SCAN_COMPLETED) |
| 2230 | ret = "SCAN_COMPLETED"; |
| 2231 | else if (event & GELIC_LV1_WL_EVENT_DEAUTH) |
| 2232 | ret = "DEAUTH"; |
| 2233 | else if (event & GELIC_LV1_WL_EVENT_BEACON_LOST) |
| 2234 | ret = "BEACON_LOST"; |
| 2235 | else if (event & GELIC_LV1_WL_EVENT_CONNECTED) |
| 2236 | ret = "CONNECTED"; |
| 2237 | else if (event & GELIC_LV1_WL_EVENT_WPA_CONNECTED) |
| 2238 | ret = "WPA_CONNECTED"; |
| 2239 | else if (event & GELIC_LV1_WL_EVENT_WPA_ERROR) |
| 2240 | ret = "WPA_ERROR"; |
| 2241 | else { |
| 2242 | sprintf(buf, "Unknown(%#x)", event); |
| 2243 | ret = buf; |
| 2244 | } |
| 2245 | return ret; |
| 2246 | } |
| 2247 | #else |
| 2248 | static const char *eventstr(enum gelic_lv1_wl_event event) |
| 2249 | { |
| 2250 | return NULL; |
| 2251 | } |
| 2252 | #endif |
| 2253 | static void gelic_wl_event_worker(struct work_struct *work) |
| 2254 | { |
| 2255 | struct gelic_wl_info *wl; |
| 2256 | struct gelic_port *port; |
| 2257 | u64 event, tmp; |
| 2258 | int status; |
| 2259 | |
| 2260 | pr_debug("%s:start\n", __func__); |
| 2261 | wl = container_of(work, struct gelic_wl_info, event_work.work); |
| 2262 | port = wl_port(wl); |
| 2263 | while (1) { |
| 2264 | status = lv1_net_control(bus_id(port->card), dev_id(port->card), |
| 2265 | GELIC_LV1_GET_WLAN_EVENT, 0, 0, 0, |
| 2266 | &event, &tmp); |
| 2267 | if (status) { |
| 2268 | if (status != LV1_NO_ENTRY) |
| 2269 | pr_debug("%s:wlan event failed %d\n", |
| 2270 | __func__, status); |
| 2271 | /* got all events */ |
| 2272 | pr_debug("%s:end\n", __func__); |
| 2273 | return; |
| 2274 | } |
| 2275 | pr_debug("%s: event=%s\n", __func__, eventstr(event)); |
| 2276 | switch (event) { |
| 2277 | case GELIC_LV1_WL_EVENT_SCAN_COMPLETED: |
| 2278 | gelic_wl_scan_complete_event(wl); |
| 2279 | break; |
| 2280 | case GELIC_LV1_WL_EVENT_BEACON_LOST: |
| 2281 | case GELIC_LV1_WL_EVENT_DEAUTH: |
| 2282 | gelic_wl_disconnect_event(wl, event); |
| 2283 | break; |
| 2284 | case GELIC_LV1_WL_EVENT_CONNECTED: |
| 2285 | case GELIC_LV1_WL_EVENT_WPA_CONNECTED: |
| 2286 | gelic_wl_connected_event(wl, event); |
| 2287 | break; |
| 2288 | default: |
| 2289 | break; |
| 2290 | } |
| 2291 | } /* while */ |
| 2292 | } |
| 2293 | /* |
| 2294 | * association worker |
| 2295 | */ |
| 2296 | static void gelic_wl_assoc_worker(struct work_struct *work) |
| 2297 | { |
| 2298 | struct gelic_wl_info *wl; |
| 2299 | |
| 2300 | struct gelic_wl_scan_info *best_bss; |
| 2301 | int ret; |
Masakazu Mokuno | 7fd871e | 2008-06-02 12:49:16 +0900 | [diff] [blame] | 2302 | unsigned long irqflag; |
| 2303 | u8 *essid; |
| 2304 | size_t essid_len; |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2305 | |
| 2306 | wl = container_of(work, struct gelic_wl_info, assoc_work.work); |
| 2307 | |
Daniel Walker | bb2d67a | 2008-05-22 00:00:02 -0700 | [diff] [blame] | 2308 | mutex_lock(&wl->assoc_stat_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2309 | |
| 2310 | if (wl->assoc_stat != GELIC_WL_ASSOC_STAT_DISCONN) |
| 2311 | goto out; |
| 2312 | |
Masakazu Mokuno | 7fd871e | 2008-06-02 12:49:16 +0900 | [diff] [blame] | 2313 | spin_lock_irqsave(&wl->lock, irqflag); |
| 2314 | if (test_bit(GELIC_WL_STAT_ESSID_SET, &wl->stat)) { |
| 2315 | pr_debug("%s: assoc ESSID configured %s\n", __func__, |
| 2316 | wl->essid); |
| 2317 | essid = wl->essid; |
| 2318 | essid_len = wl->essid_len; |
| 2319 | } else { |
| 2320 | essid = NULL; |
| 2321 | essid_len = 0; |
| 2322 | } |
| 2323 | spin_unlock_irqrestore(&wl->lock, irqflag); |
| 2324 | |
| 2325 | ret = gelic_wl_start_scan(wl, 0, essid, essid_len); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2326 | if (ret == -ERESTARTSYS) { |
| 2327 | pr_debug("%s: scan start failed association\n", __func__); |
| 2328 | schedule_delayed_work(&wl->assoc_work, HZ/10); /*FIXME*/ |
| 2329 | goto out; |
| 2330 | } else if (ret) { |
| 2331 | pr_info("%s: scan prerequisite failed\n", __func__); |
| 2332 | goto out; |
| 2333 | } |
| 2334 | |
| 2335 | /* |
| 2336 | * Wait for bss scan completion |
| 2337 | * If we have scan list already, gelic_wl_start_scan() |
| 2338 | * returns OK and raises the complete. Thus, |
| 2339 | * it's ok to wait unconditionally here |
| 2340 | */ |
| 2341 | wait_for_completion(&wl->scan_done); |
| 2342 | |
| 2343 | pr_debug("%s: scan done\n", __func__); |
Daniel Walker | 706ddd6 | 2008-05-22 00:00:01 -0700 | [diff] [blame] | 2344 | mutex_lock(&wl->scan_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2345 | if (wl->scan_stat != GELIC_WL_SCAN_STAT_GOT_LIST) { |
| 2346 | gelic_wl_send_iwap_event(wl, NULL); |
| 2347 | pr_info("%s: no scan list. association failed\n", __func__); |
| 2348 | goto scan_lock_out; |
| 2349 | } |
| 2350 | |
| 2351 | /* find best matching bss */ |
| 2352 | best_bss = gelic_wl_find_best_bss(wl); |
| 2353 | if (!best_bss) { |
| 2354 | gelic_wl_send_iwap_event(wl, NULL); |
| 2355 | pr_info("%s: no bss matched. association failed\n", __func__); |
| 2356 | goto scan_lock_out; |
| 2357 | } |
| 2358 | |
| 2359 | /* ok, do association */ |
| 2360 | ret = gelic_wl_associate_bss(wl, best_bss); |
| 2361 | if (ret) |
| 2362 | pr_info("%s: association failed %d\n", __func__, ret); |
| 2363 | scan_lock_out: |
Daniel Walker | 706ddd6 | 2008-05-22 00:00:01 -0700 | [diff] [blame] | 2364 | mutex_unlock(&wl->scan_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2365 | out: |
Daniel Walker | bb2d67a | 2008-05-22 00:00:02 -0700 | [diff] [blame] | 2366 | mutex_unlock(&wl->assoc_stat_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2367 | } |
| 2368 | /* |
| 2369 | * Interrupt handler |
| 2370 | * Called from the ethernet interrupt handler |
| 2371 | * Processes wireless specific virtual interrupts only |
| 2372 | */ |
| 2373 | void gelic_wl_interrupt(struct net_device *netdev, u64 status) |
| 2374 | { |
| 2375 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); |
| 2376 | |
| 2377 | if (status & GELIC_CARD_WLAN_COMMAND_COMPLETED) { |
| 2378 | pr_debug("%s:cmd complete\n", __func__); |
| 2379 | complete(&wl->cmd_done_intr); |
| 2380 | } |
| 2381 | |
| 2382 | if (status & GELIC_CARD_WLAN_EVENT_RECEIVED) { |
| 2383 | pr_debug("%s:event received\n", __func__); |
| 2384 | queue_delayed_work(wl->event_queue, &wl->event_work, 0); |
| 2385 | } |
| 2386 | } |
| 2387 | |
| 2388 | /* |
| 2389 | * driver helpers |
| 2390 | */ |
| 2391 | #define IW_IOCTL(n) [(n) - SIOCSIWCOMMIT] |
| 2392 | static const iw_handler gelic_wl_wext_handler[] = |
| 2393 | { |
| 2394 | IW_IOCTL(SIOCGIWNAME) = gelic_wl_get_name, |
| 2395 | IW_IOCTL(SIOCGIWRANGE) = gelic_wl_get_range, |
| 2396 | IW_IOCTL(SIOCSIWSCAN) = gelic_wl_set_scan, |
| 2397 | IW_IOCTL(SIOCGIWSCAN) = gelic_wl_get_scan, |
| 2398 | IW_IOCTL(SIOCSIWAUTH) = gelic_wl_set_auth, |
| 2399 | IW_IOCTL(SIOCGIWAUTH) = gelic_wl_get_auth, |
| 2400 | IW_IOCTL(SIOCSIWESSID) = gelic_wl_set_essid, |
| 2401 | IW_IOCTL(SIOCGIWESSID) = gelic_wl_get_essid, |
| 2402 | IW_IOCTL(SIOCSIWENCODE) = gelic_wl_set_encode, |
| 2403 | IW_IOCTL(SIOCGIWENCODE) = gelic_wl_get_encode, |
| 2404 | IW_IOCTL(SIOCSIWAP) = gelic_wl_set_ap, |
| 2405 | IW_IOCTL(SIOCGIWAP) = gelic_wl_get_ap, |
| 2406 | IW_IOCTL(SIOCSIWENCODEEXT) = gelic_wl_set_encodeext, |
| 2407 | IW_IOCTL(SIOCGIWENCODEEXT) = gelic_wl_get_encodeext, |
| 2408 | IW_IOCTL(SIOCSIWMODE) = gelic_wl_set_mode, |
| 2409 | IW_IOCTL(SIOCGIWMODE) = gelic_wl_get_mode, |
| 2410 | IW_IOCTL(SIOCGIWNICKN) = gelic_wl_get_nick, |
| 2411 | }; |
| 2412 | |
Masakazu Mokuno | f409e34 | 2008-05-30 16:52:55 +0900 | [diff] [blame] | 2413 | #ifdef CONFIG_GELIC_WIRELESS_OLD_PSK_INTERFACE |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2414 | static struct iw_priv_args gelic_wl_private_args[] = |
| 2415 | { |
| 2416 | { |
| 2417 | .cmd = GELIC_WL_PRIV_SET_PSK, |
| 2418 | .set_args = IW_PRIV_TYPE_CHAR | |
| 2419 | (GELIC_WL_EURUS_PSK_MAX_LEN + 2), |
| 2420 | .name = "set_psk" |
| 2421 | }, |
| 2422 | { |
| 2423 | .cmd = GELIC_WL_PRIV_GET_PSK, |
| 2424 | .get_args = IW_PRIV_TYPE_CHAR | |
| 2425 | (GELIC_WL_EURUS_PSK_MAX_LEN + 2), |
| 2426 | .name = "get_psk" |
| 2427 | } |
| 2428 | }; |
| 2429 | |
| 2430 | static const iw_handler gelic_wl_private_handler[] = |
| 2431 | { |
| 2432 | gelic_wl_priv_set_psk, |
| 2433 | gelic_wl_priv_get_psk, |
| 2434 | }; |
Masakazu Mokuno | f409e34 | 2008-05-30 16:52:55 +0900 | [diff] [blame] | 2435 | #endif |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2436 | |
| 2437 | static const struct iw_handler_def gelic_wl_wext_handler_def = { |
| 2438 | .num_standard = ARRAY_SIZE(gelic_wl_wext_handler), |
| 2439 | .standard = gelic_wl_wext_handler, |
| 2440 | .get_wireless_stats = gelic_wl_get_wireless_stats, |
Masakazu Mokuno | f409e34 | 2008-05-30 16:52:55 +0900 | [diff] [blame] | 2441 | #ifdef CONFIG_GELIC_WIRELESS_OLD_PSK_INTERFACE |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2442 | .num_private = ARRAY_SIZE(gelic_wl_private_handler), |
| 2443 | .num_private_args = ARRAY_SIZE(gelic_wl_private_args), |
| 2444 | .private = gelic_wl_private_handler, |
| 2445 | .private_args = gelic_wl_private_args, |
Masakazu Mokuno | f409e34 | 2008-05-30 16:52:55 +0900 | [diff] [blame] | 2446 | #endif |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2447 | }; |
| 2448 | |
| 2449 | static struct net_device *gelic_wl_alloc(struct gelic_card *card) |
| 2450 | { |
| 2451 | struct net_device *netdev; |
| 2452 | struct gelic_port *port; |
| 2453 | struct gelic_wl_info *wl; |
| 2454 | unsigned int i; |
| 2455 | |
| 2456 | pr_debug("%s:start\n", __func__); |
| 2457 | netdev = alloc_etherdev(sizeof(struct gelic_port) + |
| 2458 | sizeof(struct gelic_wl_info)); |
| 2459 | pr_debug("%s: netdev =%p card=%p \np", __func__, netdev, card); |
| 2460 | if (!netdev) |
| 2461 | return NULL; |
| 2462 | |
Masakazu Mokuno | c1e889b | 2008-03-12 16:41:11 +0900 | [diff] [blame] | 2463 | strcpy(netdev->name, "wlan%d"); |
| 2464 | |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2465 | port = netdev_priv(netdev); |
| 2466 | port->netdev = netdev; |
| 2467 | port->card = card; |
| 2468 | port->type = GELIC_PORT_WIRELESS; |
| 2469 | |
| 2470 | wl = port_wl(port); |
| 2471 | pr_debug("%s: wl=%p port=%p\n", __func__, wl, port); |
| 2472 | |
| 2473 | /* allocate scan list */ |
| 2474 | wl->networks = kzalloc(sizeof(struct gelic_wl_scan_info) * |
| 2475 | GELIC_WL_BSS_MAX_ENT, GFP_KERNEL); |
| 2476 | |
| 2477 | if (!wl->networks) |
| 2478 | goto fail_bss; |
| 2479 | |
| 2480 | wl->eurus_cmd_queue = create_singlethread_workqueue("gelic_cmd"); |
| 2481 | if (!wl->eurus_cmd_queue) |
| 2482 | goto fail_cmd_workqueue; |
| 2483 | |
| 2484 | wl->event_queue = create_singlethread_workqueue("gelic_event"); |
| 2485 | if (!wl->event_queue) |
| 2486 | goto fail_event_workqueue; |
| 2487 | |
| 2488 | INIT_LIST_HEAD(&wl->network_free_list); |
| 2489 | INIT_LIST_HEAD(&wl->network_list); |
| 2490 | for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++) |
| 2491 | list_add_tail(&wl->networks[i].list, |
| 2492 | &wl->network_free_list); |
| 2493 | init_completion(&wl->cmd_done_intr); |
| 2494 | |
| 2495 | INIT_DELAYED_WORK(&wl->event_work, gelic_wl_event_worker); |
| 2496 | INIT_DELAYED_WORK(&wl->assoc_work, gelic_wl_assoc_worker); |
Daniel Walker | 706ddd6 | 2008-05-22 00:00:01 -0700 | [diff] [blame] | 2497 | mutex_init(&wl->scan_lock); |
Daniel Walker | bb2d67a | 2008-05-22 00:00:02 -0700 | [diff] [blame] | 2498 | mutex_init(&wl->assoc_stat_lock); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2499 | |
| 2500 | init_completion(&wl->scan_done); |
| 2501 | /* for the case that no scan request is issued and stop() is called */ |
| 2502 | complete(&wl->scan_done); |
| 2503 | |
| 2504 | spin_lock_init(&wl->lock); |
| 2505 | |
| 2506 | wl->scan_age = 5*HZ; /* FIXME */ |
| 2507 | |
| 2508 | /* buffer for receiving scanned list etc */ |
| 2509 | BUILD_BUG_ON(PAGE_SIZE < |
| 2510 | sizeof(struct gelic_eurus_scan_info) * |
| 2511 | GELIC_EURUS_MAX_SCAN); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2512 | pr_debug("%s:end\n", __func__); |
| 2513 | return netdev; |
| 2514 | |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2515 | fail_event_workqueue: |
| 2516 | destroy_workqueue(wl->eurus_cmd_queue); |
| 2517 | fail_cmd_workqueue: |
| 2518 | kfree(wl->networks); |
| 2519 | fail_bss: |
| 2520 | free_netdev(netdev); |
| 2521 | pr_debug("%s:end error\n", __func__); |
| 2522 | return NULL; |
| 2523 | |
| 2524 | } |
| 2525 | |
| 2526 | static void gelic_wl_free(struct gelic_wl_info *wl) |
| 2527 | { |
| 2528 | struct gelic_wl_scan_info *scan_info; |
| 2529 | unsigned int i; |
| 2530 | |
| 2531 | pr_debug("%s: <-\n", __func__); |
| 2532 | |
| 2533 | pr_debug("%s: destroy queues\n", __func__); |
| 2534 | destroy_workqueue(wl->eurus_cmd_queue); |
| 2535 | destroy_workqueue(wl->event_queue); |
| 2536 | |
| 2537 | scan_info = wl->networks; |
| 2538 | for (i = 0; i < GELIC_WL_BSS_MAX_ENT; i++, scan_info++) |
| 2539 | kfree(scan_info->hwinfo); |
| 2540 | kfree(wl->networks); |
| 2541 | |
| 2542 | free_netdev(port_to_netdev(wl_port(wl))); |
| 2543 | |
| 2544 | pr_debug("%s: ->\n", __func__); |
| 2545 | } |
| 2546 | |
| 2547 | static int gelic_wl_try_associate(struct net_device *netdev) |
| 2548 | { |
| 2549 | struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); |
| 2550 | int ret = -1; |
| 2551 | unsigned int i; |
| 2552 | |
| 2553 | pr_debug("%s: <-\n", __func__); |
| 2554 | |
| 2555 | /* check constraits for start association */ |
| 2556 | /* for no access restriction AP */ |
| 2557 | if (wl->group_cipher_method == GELIC_WL_CIPHER_NONE) { |
| 2558 | if (test_bit(GELIC_WL_STAT_CONFIGURED, |
| 2559 | &wl->stat)) |
| 2560 | goto do_associate; |
| 2561 | else { |
| 2562 | pr_debug("%s: no wep, not configured\n", __func__); |
| 2563 | return ret; |
| 2564 | } |
| 2565 | } |
| 2566 | |
| 2567 | /* for WEP, one of four keys should be set */ |
| 2568 | if (wl->group_cipher_method == GELIC_WL_CIPHER_WEP) { |
| 2569 | /* one of keys set */ |
| 2570 | for (i = 0; i < GELIC_WEP_KEYS; i++) { |
| 2571 | if (test_bit(i, &wl->key_enabled)) |
| 2572 | goto do_associate; |
| 2573 | } |
| 2574 | pr_debug("%s: WEP, but no key specified\n", __func__); |
| 2575 | return ret; |
| 2576 | } |
| 2577 | |
| 2578 | /* for WPA[2], psk should be set */ |
| 2579 | if ((wl->group_cipher_method == GELIC_WL_CIPHER_TKIP) || |
| 2580 | (wl->group_cipher_method == GELIC_WL_CIPHER_AES)) { |
| 2581 | if (test_bit(GELIC_WL_STAT_WPA_PSK_SET, |
| 2582 | &wl->stat)) |
| 2583 | goto do_associate; |
| 2584 | else { |
| 2585 | pr_debug("%s: AES/TKIP, but PSK not configured\n", |
| 2586 | __func__); |
| 2587 | return ret; |
| 2588 | } |
| 2589 | } |
| 2590 | |
| 2591 | do_associate: |
| 2592 | ret = schedule_delayed_work(&wl->assoc_work, 0); |
| 2593 | pr_debug("%s: start association work %d\n", __func__, ret); |
| 2594 | return ret; |
| 2595 | } |
| 2596 | |
| 2597 | /* |
| 2598 | * netdev handlers |
| 2599 | */ |
| 2600 | static int gelic_wl_open(struct net_device *netdev) |
| 2601 | { |
| 2602 | struct gelic_card *card = netdev_card(netdev); |
| 2603 | |
| 2604 | pr_debug("%s:->%p\n", __func__, netdev); |
| 2605 | |
| 2606 | gelic_card_up(card); |
| 2607 | |
| 2608 | /* try to associate */ |
| 2609 | gelic_wl_try_associate(netdev); |
| 2610 | |
| 2611 | netif_start_queue(netdev); |
| 2612 | |
| 2613 | pr_debug("%s:<-\n", __func__); |
| 2614 | return 0; |
| 2615 | } |
| 2616 | |
| 2617 | /* |
| 2618 | * reset state machine |
| 2619 | */ |
| 2620 | static int gelic_wl_reset_state(struct gelic_wl_info *wl) |
| 2621 | { |
| 2622 | struct gelic_wl_scan_info *target; |
| 2623 | struct gelic_wl_scan_info *tmp; |
| 2624 | |
| 2625 | /* empty scan list */ |
| 2626 | list_for_each_entry_safe(target, tmp, &wl->network_list, list) { |
| 2627 | list_move_tail(&target->list, &wl->network_free_list); |
| 2628 | } |
| 2629 | wl->scan_stat = GELIC_WL_SCAN_STAT_INIT; |
| 2630 | |
| 2631 | /* clear configuration */ |
| 2632 | wl->auth_method = GELIC_EURUS_AUTH_OPEN; |
| 2633 | wl->group_cipher_method = GELIC_WL_CIPHER_NONE; |
| 2634 | wl->pairwise_cipher_method = GELIC_WL_CIPHER_NONE; |
| 2635 | wl->wpa_level = GELIC_WL_WPA_LEVEL_NONE; |
| 2636 | |
| 2637 | wl->key_enabled = 0; |
| 2638 | wl->current_key = 0; |
| 2639 | |
| 2640 | wl->psk_type = GELIC_EURUS_WPA_PSK_PASSPHRASE; |
| 2641 | wl->psk_len = 0; |
| 2642 | |
| 2643 | wl->essid_len = 0; |
| 2644 | memset(wl->essid, 0, sizeof(wl->essid)); |
| 2645 | memset(wl->bssid, 0, sizeof(wl->bssid)); |
| 2646 | memset(wl->active_bssid, 0, sizeof(wl->active_bssid)); |
| 2647 | |
| 2648 | wl->assoc_stat = GELIC_WL_ASSOC_STAT_DISCONN; |
| 2649 | |
| 2650 | memset(&wl->iwstat, 0, sizeof(wl->iwstat)); |
| 2651 | /* all status bit clear */ |
| 2652 | wl->stat = 0; |
| 2653 | return 0; |
| 2654 | } |
| 2655 | |
| 2656 | /* |
| 2657 | * Tell eurus to terminate association |
| 2658 | */ |
| 2659 | static void gelic_wl_disconnect(struct net_device *netdev) |
| 2660 | { |
| 2661 | struct gelic_port *port = netdev_priv(netdev); |
| 2662 | struct gelic_wl_info *wl = port_wl(port); |
| 2663 | struct gelic_eurus_cmd *cmd; |
| 2664 | |
| 2665 | /* |
| 2666 | * If scann process is running on chip, |
| 2667 | * further requests will be rejected |
| 2668 | */ |
| 2669 | if (wl->scan_stat == GELIC_WL_SCAN_STAT_SCANNING) |
| 2670 | wait_for_completion_timeout(&wl->scan_done, HZ); |
| 2671 | |
| 2672 | cmd = gelic_eurus_sync_cmd(wl, GELIC_EURUS_CMD_DISASSOC, NULL, 0); |
| 2673 | kfree(cmd); |
| 2674 | gelic_wl_send_iwap_event(wl, NULL); |
| 2675 | }; |
| 2676 | |
| 2677 | static int gelic_wl_stop(struct net_device *netdev) |
| 2678 | { |
| 2679 | struct gelic_port *port = netdev_priv(netdev); |
| 2680 | struct gelic_wl_info *wl = port_wl(port); |
| 2681 | struct gelic_card *card = netdev_card(netdev); |
| 2682 | |
| 2683 | pr_debug("%s:<-\n", __func__); |
| 2684 | |
| 2685 | /* |
| 2686 | * Cancel pending association work. |
| 2687 | * event work can run after netdev down |
| 2688 | */ |
| 2689 | cancel_delayed_work(&wl->assoc_work); |
| 2690 | |
| 2691 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) |
| 2692 | gelic_wl_disconnect(netdev); |
| 2693 | |
| 2694 | /* reset our state machine */ |
| 2695 | gelic_wl_reset_state(wl); |
| 2696 | |
| 2697 | netif_stop_queue(netdev); |
| 2698 | |
| 2699 | gelic_card_down(card); |
| 2700 | |
| 2701 | pr_debug("%s:->\n", __func__); |
| 2702 | return 0; |
| 2703 | } |
| 2704 | |
| 2705 | /* -- */ |
| 2706 | |
| 2707 | static struct ethtool_ops gelic_wl_ethtool_ops = { |
| 2708 | .get_drvinfo = gelic_net_get_drvinfo, |
| 2709 | .get_link = gelic_wl_get_link, |
| 2710 | .get_tx_csum = ethtool_op_get_tx_csum, |
| 2711 | .set_tx_csum = ethtool_op_set_tx_csum, |
| 2712 | .get_rx_csum = gelic_net_get_rx_csum, |
| 2713 | .set_rx_csum = gelic_net_set_rx_csum, |
| 2714 | }; |
| 2715 | |
| 2716 | static void gelic_wl_setup_netdev_ops(struct net_device *netdev) |
| 2717 | { |
| 2718 | struct gelic_wl_info *wl; |
| 2719 | wl = port_wl(netdev_priv(netdev)); |
| 2720 | BUG_ON(!wl); |
| 2721 | netdev->open = &gelic_wl_open; |
| 2722 | netdev->stop = &gelic_wl_stop; |
| 2723 | netdev->hard_start_xmit = &gelic_net_xmit; |
| 2724 | netdev->set_multicast_list = &gelic_net_set_multi; |
| 2725 | netdev->change_mtu = &gelic_net_change_mtu; |
| 2726 | netdev->wireless_data = &wl->wireless_data; |
| 2727 | netdev->wireless_handlers = &gelic_wl_wext_handler_def; |
| 2728 | /* tx watchdog */ |
| 2729 | netdev->tx_timeout = &gelic_net_tx_timeout; |
| 2730 | netdev->watchdog_timeo = GELIC_NET_WATCHDOG_TIMEOUT; |
| 2731 | |
| 2732 | netdev->ethtool_ops = &gelic_wl_ethtool_ops; |
| 2733 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 2734 | netdev->poll_controller = gelic_net_poll_controller; |
| 2735 | #endif |
| 2736 | } |
| 2737 | |
| 2738 | /* |
| 2739 | * driver probe/remove |
| 2740 | */ |
| 2741 | int gelic_wl_driver_probe(struct gelic_card *card) |
| 2742 | { |
| 2743 | int ret; |
| 2744 | struct net_device *netdev; |
| 2745 | |
| 2746 | pr_debug("%s:start\n", __func__); |
| 2747 | |
| 2748 | if (ps3_compare_firmware_version(1, 6, 0) < 0) |
| 2749 | return 0; |
| 2750 | if (!card->vlan[GELIC_PORT_WIRELESS].tx) |
| 2751 | return 0; |
| 2752 | |
| 2753 | /* alloc netdevice for wireless */ |
| 2754 | netdev = gelic_wl_alloc(card); |
| 2755 | if (!netdev) |
| 2756 | return -ENOMEM; |
| 2757 | |
| 2758 | /* setup net_device structure */ |
Masakazu Mokuno | 4b74850 | 2008-02-22 16:45:26 +0900 | [diff] [blame] | 2759 | SET_NETDEV_DEV(netdev, &card->dev->core); |
Masakazu Mokuno | 09dde54 | 2008-02-07 19:58:57 +0900 | [diff] [blame] | 2760 | gelic_wl_setup_netdev_ops(netdev); |
| 2761 | |
| 2762 | /* setup some of net_device and register it */ |
| 2763 | ret = gelic_net_setup_netdev(netdev, card); |
| 2764 | if (ret) |
| 2765 | goto fail_setup; |
| 2766 | card->netdev[GELIC_PORT_WIRELESS] = netdev; |
| 2767 | |
| 2768 | /* add enable wireless interrupt */ |
| 2769 | card->irq_mask |= GELIC_CARD_WLAN_EVENT_RECEIVED | |
| 2770 | GELIC_CARD_WLAN_COMMAND_COMPLETED; |
| 2771 | /* to allow wireless commands while both interfaces are down */ |
| 2772 | gelic_card_set_irq_mask(card, GELIC_CARD_WLAN_EVENT_RECEIVED | |
| 2773 | GELIC_CARD_WLAN_COMMAND_COMPLETED); |
| 2774 | pr_debug("%s:end\n", __func__); |
| 2775 | return 0; |
| 2776 | |
| 2777 | fail_setup: |
| 2778 | gelic_wl_free(port_wl(netdev_port(netdev))); |
| 2779 | |
| 2780 | return ret; |
| 2781 | } |
| 2782 | |
| 2783 | int gelic_wl_driver_remove(struct gelic_card *card) |
| 2784 | { |
| 2785 | struct gelic_wl_info *wl; |
| 2786 | struct net_device *netdev; |
| 2787 | |
| 2788 | pr_debug("%s:start\n", __func__); |
| 2789 | |
| 2790 | if (ps3_compare_firmware_version(1, 6, 0) < 0) |
| 2791 | return 0; |
| 2792 | if (!card->vlan[GELIC_PORT_WIRELESS].tx) |
| 2793 | return 0; |
| 2794 | |
| 2795 | netdev = card->netdev[GELIC_PORT_WIRELESS]; |
| 2796 | wl = port_wl(netdev_priv(netdev)); |
| 2797 | |
| 2798 | /* if the interface was not up, but associated */ |
| 2799 | if (wl->assoc_stat == GELIC_WL_ASSOC_STAT_ASSOCIATED) |
| 2800 | gelic_wl_disconnect(netdev); |
| 2801 | |
| 2802 | complete(&wl->cmd_done_intr); |
| 2803 | |
| 2804 | /* cancel all work queue */ |
| 2805 | cancel_delayed_work(&wl->assoc_work); |
| 2806 | cancel_delayed_work(&wl->event_work); |
| 2807 | flush_workqueue(wl->eurus_cmd_queue); |
| 2808 | flush_workqueue(wl->event_queue); |
| 2809 | |
| 2810 | unregister_netdev(netdev); |
| 2811 | |
| 2812 | /* disable wireless interrupt */ |
| 2813 | pr_debug("%s: disable intr\n", __func__); |
| 2814 | card->irq_mask &= ~(GELIC_CARD_WLAN_EVENT_RECEIVED | |
| 2815 | GELIC_CARD_WLAN_COMMAND_COMPLETED); |
| 2816 | /* free bss list, netdev*/ |
| 2817 | gelic_wl_free(wl); |
| 2818 | pr_debug("%s:end\n", __func__); |
| 2819 | return 0; |
| 2820 | } |