Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 1 | /* IEEE 802.11 SoftMAC layer |
Andrea Merello | 559a4c3 | 2013-08-26 13:53:30 +0200 | [diff] [blame] | 2 | * Copyright (c) 2005 Andrea Merello <andrea.merello@gmail.com> |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 3 | * |
| 4 | * Mostly extracted from the rtl8180-sa2400 driver for the |
| 5 | * in-kernel generic ieee802.11 stack. |
| 6 | * |
| 7 | * Some pieces of code might be stolen from ipw2100 driver |
| 8 | * copyright of who own it's copyright ;-) |
| 9 | * |
| 10 | * PS wx handler mostly stolen from hostap, copyright who |
| 11 | * own it's copyright ;-) |
| 12 | * |
| 13 | * released under the GPL |
| 14 | */ |
| 15 | |
| 16 | |
Wei Yongjun | efe13d8 | 2012-08-23 16:50:12 +0800 | [diff] [blame] | 17 | #include <linux/etherdevice.h> |
| 18 | |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 19 | #include "rtllib.h" |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 20 | #include "dot11d.h" |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 21 | /* FIXME: add A freqs */ |
| 22 | |
| 23 | const long rtllib_wlan_frequencies[] = { |
| 24 | 2412, 2417, 2422, 2427, |
| 25 | 2432, 2437, 2442, 2447, |
| 26 | 2452, 2457, 2462, 2467, |
| 27 | 2472, 2484 |
| 28 | }; |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 29 | EXPORT_SYMBOL(rtllib_wlan_frequencies); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 30 | |
| 31 | |
| 32 | int rtllib_wx_set_freq(struct rtllib_device *ieee, struct iw_request_info *a, |
| 33 | union iwreq_data *wrqu, char *b) |
| 34 | { |
| 35 | int ret; |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 36 | struct iw_freq *fwrq = &wrqu->freq; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 37 | |
| 38 | down(&ieee->wx_sem); |
| 39 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 40 | if (ieee->iw_mode == IW_MODE_INFRA) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 41 | ret = 0; |
| 42 | goto out; |
| 43 | } |
| 44 | |
| 45 | /* if setting by freq convert to channel */ |
| 46 | if (fwrq->e == 1) { |
| 47 | if ((fwrq->m >= (int) 2.412e8 && |
| 48 | fwrq->m <= (int) 2.487e8)) { |
| 49 | int f = fwrq->m / 100000; |
| 50 | int c = 0; |
| 51 | |
| 52 | while ((c < 14) && (f != rtllib_wlan_frequencies[c])) |
| 53 | c++; |
| 54 | |
| 55 | /* hack to fall through */ |
| 56 | fwrq->e = 0; |
| 57 | fwrq->m = c + 1; |
| 58 | } |
| 59 | } |
| 60 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 61 | if (fwrq->e > 0 || fwrq->m > 14 || fwrq->m < 1) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 62 | ret = -EOPNOTSUPP; |
| 63 | goto out; |
| 64 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 65 | } else { /* Set the channel */ |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 66 | |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 67 | if (ieee->active_channel_map[fwrq->m] != 1) { |
| 68 | ret = -EINVAL; |
| 69 | goto out; |
| 70 | } |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 71 | ieee->current_network.channel = fwrq->m; |
| 72 | ieee->set_chan(ieee->dev, ieee->current_network.channel); |
| 73 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 74 | if (ieee->iw_mode == IW_MODE_ADHOC || |
| 75 | ieee->iw_mode == IW_MODE_MASTER) |
| 76 | if (ieee->state == RTLLIB_LINKED) { |
| 77 | rtllib_stop_send_beacons(ieee); |
| 78 | rtllib_start_send_beacons(ieee); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 79 | } |
| 80 | } |
| 81 | |
| 82 | ret = 0; |
| 83 | out: |
| 84 | up(&ieee->wx_sem); |
| 85 | return ret; |
| 86 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 87 | EXPORT_SYMBOL(rtllib_wx_set_freq); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 88 | |
| 89 | |
| 90 | int rtllib_wx_get_freq(struct rtllib_device *ieee, |
| 91 | struct iw_request_info *a, |
| 92 | union iwreq_data *wrqu, char *b) |
| 93 | { |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 94 | struct iw_freq *fwrq = &wrqu->freq; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 95 | |
| 96 | if (ieee->current_network.channel == 0) |
| 97 | return -1; |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 98 | fwrq->m = rtllib_wlan_frequencies[ieee->current_network.channel-1] * |
| 99 | 100000; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 100 | fwrq->e = 1; |
| 101 | return 0; |
| 102 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 103 | EXPORT_SYMBOL(rtllib_wx_get_freq); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 104 | |
| 105 | int rtllib_wx_get_wap(struct rtllib_device *ieee, |
| 106 | struct iw_request_info *info, |
| 107 | union iwreq_data *wrqu, char *extra) |
| 108 | { |
| 109 | unsigned long flags; |
| 110 | |
| 111 | wrqu->ap_addr.sa_family = ARPHRD_ETHER; |
| 112 | |
| 113 | if (ieee->iw_mode == IW_MODE_MONITOR) |
| 114 | return -1; |
| 115 | |
| 116 | /* We want avoid to give to the user inconsistent infos*/ |
| 117 | spin_lock_irqsave(&ieee->lock, flags); |
| 118 | |
| 119 | if (ieee->state != RTLLIB_LINKED && |
| 120 | ieee->state != RTLLIB_LINKED_SCANNING && |
| 121 | ieee->wap_set == 0) |
| 122 | |
| 123 | memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN); |
| 124 | else |
| 125 | memcpy(wrqu->ap_addr.sa_data, |
| 126 | ieee->current_network.bssid, ETH_ALEN); |
| 127 | |
| 128 | spin_unlock_irqrestore(&ieee->lock, flags); |
| 129 | |
| 130 | return 0; |
| 131 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 132 | EXPORT_SYMBOL(rtllib_wx_get_wap); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 133 | |
| 134 | |
| 135 | int rtllib_wx_set_wap(struct rtllib_device *ieee, |
| 136 | struct iw_request_info *info, |
| 137 | union iwreq_data *awrq, |
| 138 | char *extra) |
| 139 | { |
| 140 | |
| 141 | int ret = 0; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 142 | unsigned long flags; |
| 143 | |
| 144 | short ifup = ieee->proto_started; |
| 145 | struct sockaddr *temp = (struct sockaddr *)awrq; |
| 146 | |
| 147 | rtllib_stop_scan_syncro(ieee); |
| 148 | |
| 149 | down(&ieee->wx_sem); |
| 150 | /* use ifconfig hw ether */ |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 151 | if (ieee->iw_mode == IW_MODE_MASTER) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 152 | ret = -1; |
| 153 | goto out; |
| 154 | } |
| 155 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 156 | if (temp->sa_family != ARPHRD_ETHER) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 157 | ret = -EINVAL; |
| 158 | goto out; |
| 159 | } |
| 160 | |
Wei Yongjun | efe13d8 | 2012-08-23 16:50:12 +0800 | [diff] [blame] | 161 | if (is_zero_ether_addr(temp->sa_data)) { |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 162 | spin_lock_irqsave(&ieee->lock, flags); |
| 163 | memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN); |
| 164 | ieee->wap_set = 0; |
| 165 | spin_unlock_irqrestore(&ieee->lock, flags); |
| 166 | ret = -1; |
| 167 | goto out; |
| 168 | } |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 169 | |
| 170 | |
| 171 | if (ifup) |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 172 | rtllib_stop_protocol(ieee, true); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 173 | |
| 174 | /* just to avoid to give inconsistent infos in the |
| 175 | * get wx method. not really needed otherwise |
| 176 | */ |
| 177 | spin_lock_irqsave(&ieee->lock, flags); |
| 178 | |
| 179 | ieee->cannot_notify = false; |
| 180 | memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN); |
Wei Yongjun | efe13d8 | 2012-08-23 16:50:12 +0800 | [diff] [blame] | 181 | ieee->wap_set = !is_zero_ether_addr(temp->sa_data); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 182 | |
| 183 | spin_unlock_irqrestore(&ieee->lock, flags); |
| 184 | |
| 185 | if (ifup) |
| 186 | rtllib_start_protocol(ieee); |
| 187 | out: |
| 188 | up(&ieee->wx_sem); |
| 189 | return ret; |
| 190 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 191 | EXPORT_SYMBOL(rtllib_wx_set_wap); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 192 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 193 | int rtllib_wx_get_essid(struct rtllib_device *ieee, struct iw_request_info *a, |
| 194 | union iwreq_data *wrqu, char *b) |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 195 | { |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 196 | int len, ret = 0; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 197 | unsigned long flags; |
| 198 | |
| 199 | if (ieee->iw_mode == IW_MODE_MONITOR) |
| 200 | return -1; |
| 201 | |
| 202 | /* We want avoid to give to the user inconsistent infos*/ |
| 203 | spin_lock_irqsave(&ieee->lock, flags); |
| 204 | |
| 205 | if (ieee->current_network.ssid[0] == '\0' || |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 206 | ieee->current_network.ssid_len == 0) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 207 | ret = -1; |
| 208 | goto out; |
| 209 | } |
| 210 | |
| 211 | if (ieee->state != RTLLIB_LINKED && |
| 212 | ieee->state != RTLLIB_LINKED_SCANNING && |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 213 | ieee->ssid_set == 0) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 214 | ret = -1; |
| 215 | goto out; |
| 216 | } |
| 217 | len = ieee->current_network.ssid_len; |
| 218 | wrqu->essid.length = len; |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 219 | strncpy(b, ieee->current_network.ssid, len); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 220 | wrqu->essid.flags = 1; |
| 221 | |
| 222 | out: |
| 223 | spin_unlock_irqrestore(&ieee->lock, flags); |
| 224 | |
| 225 | return ret; |
| 226 | |
| 227 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 228 | EXPORT_SYMBOL(rtllib_wx_get_essid); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 229 | |
| 230 | int rtllib_wx_set_rate(struct rtllib_device *ieee, |
| 231 | struct iw_request_info *info, |
| 232 | union iwreq_data *wrqu, char *extra) |
| 233 | { |
| 234 | |
| 235 | u32 target_rate = wrqu->bitrate.value; |
| 236 | |
| 237 | ieee->rate = target_rate/100000; |
| 238 | return 0; |
| 239 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 240 | EXPORT_SYMBOL(rtllib_wx_set_rate); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 241 | |
| 242 | int rtllib_wx_get_rate(struct rtllib_device *ieee, |
| 243 | struct iw_request_info *info, |
| 244 | union iwreq_data *wrqu, char *extra) |
| 245 | { |
| 246 | u32 tmp_rate = 0; |
Matthew Casey | 3a6b70c | 2014-08-22 06:27:52 -0400 | [diff] [blame^] | 247 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 248 | tmp_rate = TxCountToDataRate(ieee, |
| 249 | ieee->softmac_stats.CurrentShowTxate); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 250 | wrqu->bitrate.value = tmp_rate * 500000; |
| 251 | |
| 252 | return 0; |
| 253 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 254 | EXPORT_SYMBOL(rtllib_wx_get_rate); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 255 | |
| 256 | |
| 257 | int rtllib_wx_set_rts(struct rtllib_device *ieee, |
| 258 | struct iw_request_info *info, |
| 259 | union iwreq_data *wrqu, char *extra) |
| 260 | { |
| 261 | if (wrqu->rts.disabled || !wrqu->rts.fixed) |
| 262 | ieee->rts = DEFAULT_RTS_THRESHOLD; |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 263 | else { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 264 | if (wrqu->rts.value < MIN_RTS_THRESHOLD || |
| 265 | wrqu->rts.value > MAX_RTS_THRESHOLD) |
| 266 | return -EINVAL; |
| 267 | ieee->rts = wrqu->rts.value; |
| 268 | } |
| 269 | return 0; |
| 270 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 271 | EXPORT_SYMBOL(rtllib_wx_set_rts); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 272 | |
| 273 | int rtllib_wx_get_rts(struct rtllib_device *ieee, |
| 274 | struct iw_request_info *info, |
| 275 | union iwreq_data *wrqu, char *extra) |
| 276 | { |
| 277 | wrqu->rts.value = ieee->rts; |
| 278 | wrqu->rts.fixed = 0; /* no auto select */ |
| 279 | wrqu->rts.disabled = (wrqu->rts.value == DEFAULT_RTS_THRESHOLD); |
| 280 | return 0; |
| 281 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 282 | EXPORT_SYMBOL(rtllib_wx_get_rts); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 283 | |
| 284 | int rtllib_wx_set_mode(struct rtllib_device *ieee, struct iw_request_info *a, |
| 285 | union iwreq_data *wrqu, char *b) |
| 286 | { |
| 287 | int set_mode_status = 0; |
| 288 | |
| 289 | rtllib_stop_scan_syncro(ieee); |
| 290 | down(&ieee->wx_sem); |
| 291 | switch (wrqu->mode) { |
| 292 | case IW_MODE_MONITOR: |
| 293 | case IW_MODE_ADHOC: |
| 294 | case IW_MODE_INFRA: |
| 295 | break; |
| 296 | case IW_MODE_AUTO: |
| 297 | wrqu->mode = IW_MODE_INFRA; |
| 298 | break; |
| 299 | default: |
| 300 | set_mode_status = -EINVAL; |
| 301 | goto out; |
| 302 | } |
| 303 | |
| 304 | if (wrqu->mode == ieee->iw_mode) |
| 305 | goto out; |
| 306 | |
| 307 | if (wrqu->mode == IW_MODE_MONITOR) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 308 | ieee->dev->type = ARPHRD_IEEE80211; |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 309 | rtllib_EnableNetMonitorMode(ieee->dev, false); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 310 | } else { |
| 311 | ieee->dev->type = ARPHRD_ETHER; |
| 312 | if (ieee->iw_mode == IW_MODE_MONITOR) |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 313 | rtllib_DisableNetMonitorMode(ieee->dev, false); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 314 | } |
| 315 | |
| 316 | if (!ieee->proto_started) { |
| 317 | ieee->iw_mode = wrqu->mode; |
| 318 | } else { |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 319 | rtllib_stop_protocol(ieee, true); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 320 | ieee->iw_mode = wrqu->mode; |
| 321 | rtllib_start_protocol(ieee); |
| 322 | } |
| 323 | |
| 324 | out: |
| 325 | up(&ieee->wx_sem); |
| 326 | return set_mode_status; |
| 327 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 328 | EXPORT_SYMBOL(rtllib_wx_set_mode); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 329 | |
| 330 | void rtllib_wx_sync_scan_wq(void *data) |
| 331 | { |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 332 | struct rtllib_device *ieee = container_of_work_rsl(data, |
| 333 | struct rtllib_device, wx_sync_scan_wq); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 334 | short chan; |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 335 | enum ht_extchnl_offset chan_offset = 0; |
| 336 | enum ht_channel_width bandwidth = 0; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 337 | int b40M = 0; |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 338 | static int count; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 339 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 340 | if (!(ieee->softmac_features & IEEE_SOFTMAC_SCAN)) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 341 | rtllib_start_scan_syncro(ieee, 0); |
| 342 | goto out; |
| 343 | } |
| 344 | |
| 345 | chan = ieee->current_network.channel; |
| 346 | |
| 347 | if (ieee->LeisurePSLeave) |
| 348 | ieee->LeisurePSLeave(ieee->dev); |
| 349 | /* notify AP to be in PS mode */ |
| 350 | rtllib_sta_ps_send_null_frame(ieee, 1); |
| 351 | rtllib_sta_ps_send_null_frame(ieee, 1); |
| 352 | |
| 353 | rtllib_stop_all_queues(ieee); |
| 354 | |
| 355 | if (ieee->data_hard_stop) |
| 356 | ieee->data_hard_stop(ieee->dev); |
| 357 | rtllib_stop_send_beacons(ieee); |
| 358 | ieee->state = RTLLIB_LINKED_SCANNING; |
| 359 | ieee->link_change(ieee->dev); |
| 360 | /* wait for ps packet to be kicked out successfully */ |
| 361 | msleep(50); |
| 362 | |
| 363 | if (ieee->ScanOperationBackupHandler) |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 364 | ieee->ScanOperationBackupHandler(ieee->dev, SCAN_OPT_BACKUP); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 365 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 366 | if (ieee->pHTInfo->bCurrentHTSupport && ieee->pHTInfo->bEnableHT && |
| 367 | ieee->pHTInfo->bCurBW40MHz) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 368 | b40M = 1; |
| 369 | chan_offset = ieee->pHTInfo->CurSTAExtChnlOffset; |
Larry Finger | 6e57911 | 2011-07-19 18:20:30 -0500 | [diff] [blame] | 370 | bandwidth = (enum ht_channel_width)ieee->pHTInfo->bCurBW40MHz; |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 371 | RT_TRACE(COMP_DBG, "Scan in 40M, force to 20M first:%d, %d\n", |
| 372 | chan_offset, bandwidth); |
| 373 | ieee->SetBWModeHandler(ieee->dev, HT_CHANNEL_WIDTH_20, |
| 374 | HT_EXTCHNL_OFFSET_NO_EXT); |
| 375 | } |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 376 | |
| 377 | rtllib_start_scan_syncro(ieee, 0); |
| 378 | |
| 379 | if (b40M) { |
| 380 | RT_TRACE(COMP_DBG, "Scan in 20M, back to 40M\n"); |
| 381 | if (chan_offset == HT_EXTCHNL_OFFSET_UPPER) |
| 382 | ieee->set_chan(ieee->dev, chan + 2); |
| 383 | else if (chan_offset == HT_EXTCHNL_OFFSET_LOWER) |
| 384 | ieee->set_chan(ieee->dev, chan - 2); |
| 385 | else |
| 386 | ieee->set_chan(ieee->dev, chan); |
| 387 | ieee->SetBWModeHandler(ieee->dev, bandwidth, chan_offset); |
| 388 | } else { |
| 389 | ieee->set_chan(ieee->dev, chan); |
| 390 | } |
| 391 | |
| 392 | if (ieee->ScanOperationBackupHandler) |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 393 | ieee->ScanOperationBackupHandler(ieee->dev, SCAN_OPT_RESTORE); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 394 | |
| 395 | ieee->state = RTLLIB_LINKED; |
| 396 | ieee->link_change(ieee->dev); |
| 397 | |
| 398 | /* Notify AP that I wake up again */ |
| 399 | rtllib_sta_ps_send_null_frame(ieee, 0); |
| 400 | |
| 401 | if (ieee->LinkDetectInfo.NumRecvBcnInPeriod == 0 || |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 402 | ieee->LinkDetectInfo.NumRecvDataInPeriod == 0) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 403 | ieee->LinkDetectInfo.NumRecvBcnInPeriod = 1; |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 404 | ieee->LinkDetectInfo.NumRecvDataInPeriod = 1; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 405 | } |
| 406 | |
| 407 | if (ieee->data_hard_resume) |
| 408 | ieee->data_hard_resume(ieee->dev); |
| 409 | |
| 410 | if (ieee->iw_mode == IW_MODE_ADHOC || ieee->iw_mode == IW_MODE_MASTER) |
| 411 | rtllib_start_send_beacons(ieee); |
| 412 | |
| 413 | rtllib_wake_all_queues(ieee); |
| 414 | |
| 415 | count = 0; |
| 416 | out: |
| 417 | up(&ieee->wx_sem); |
| 418 | |
| 419 | } |
| 420 | |
| 421 | int rtllib_wx_set_scan(struct rtllib_device *ieee, struct iw_request_info *a, |
| 422 | union iwreq_data *wrqu, char *b) |
| 423 | { |
| 424 | int ret = 0; |
| 425 | |
| 426 | down(&ieee->wx_sem); |
| 427 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 428 | if (ieee->iw_mode == IW_MODE_MONITOR || !(ieee->proto_started)) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 429 | ret = -1; |
| 430 | goto out; |
| 431 | } |
| 432 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 433 | if (ieee->state == RTLLIB_LINKED) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 434 | queue_work_rsl(ieee->wq, &ieee->wx_sync_scan_wq); |
| 435 | /* intentionally forget to up sem */ |
| 436 | return 0; |
| 437 | } |
| 438 | |
| 439 | out: |
| 440 | up(&ieee->wx_sem); |
| 441 | return ret; |
| 442 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 443 | EXPORT_SYMBOL(rtllib_wx_set_scan); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 444 | |
| 445 | int rtllib_wx_set_essid(struct rtllib_device *ieee, |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 446 | struct iw_request_info *a, |
| 447 | union iwreq_data *wrqu, char *extra) |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 448 | { |
| 449 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 450 | int ret = 0, len, i; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 451 | short proto_started; |
| 452 | unsigned long flags; |
| 453 | |
| 454 | rtllib_stop_scan_syncro(ieee); |
| 455 | down(&ieee->wx_sem); |
| 456 | |
| 457 | proto_started = ieee->proto_started; |
| 458 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 459 | len = (wrqu->essid.length < IW_ESSID_MAX_SIZE) ? wrqu->essid.length : |
| 460 | IW_ESSID_MAX_SIZE; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 461 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 462 | if (len > IW_ESSID_MAX_SIZE) { |
| 463 | ret = -E2BIG; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 464 | goto out; |
| 465 | } |
| 466 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 467 | if (ieee->iw_mode == IW_MODE_MONITOR) { |
| 468 | ret = -1; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 469 | goto out; |
| 470 | } |
| 471 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 472 | for (i = 0; i < len; i++) { |
| 473 | if (extra[i] < 0) { |
| 474 | ret = -1; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 475 | goto out; |
| 476 | } |
| 477 | } |
| 478 | |
| 479 | if (proto_started) |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 480 | rtllib_stop_protocol(ieee, true); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 481 | |
| 482 | |
| 483 | /* this is just to be sure that the GET wx callback |
Justin P. Mattock | cd01712 | 2012-04-23 07:36:52 -0700 | [diff] [blame] | 484 | * has consistent infos. not needed otherwise |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 485 | */ |
| 486 | spin_lock_irqsave(&ieee->lock, flags); |
| 487 | |
| 488 | if (wrqu->essid.flags && wrqu->essid.length) { |
| 489 | strncpy(ieee->current_network.ssid, extra, len); |
| 490 | ieee->current_network.ssid_len = len; |
| 491 | ieee->cannot_notify = false; |
| 492 | ieee->ssid_set = 1; |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 493 | } else { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 494 | ieee->ssid_set = 0; |
| 495 | ieee->current_network.ssid[0] = '\0'; |
| 496 | ieee->current_network.ssid_len = 0; |
| 497 | } |
| 498 | spin_unlock_irqrestore(&ieee->lock, flags); |
| 499 | |
| 500 | if (proto_started) |
| 501 | rtllib_start_protocol(ieee); |
| 502 | out: |
| 503 | up(&ieee->wx_sem); |
| 504 | return ret; |
| 505 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 506 | EXPORT_SYMBOL(rtllib_wx_set_essid); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 507 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 508 | int rtllib_wx_get_mode(struct rtllib_device *ieee, struct iw_request_info *a, |
| 509 | union iwreq_data *wrqu, char *b) |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 510 | { |
| 511 | wrqu->mode = ieee->iw_mode; |
| 512 | return 0; |
| 513 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 514 | EXPORT_SYMBOL(rtllib_wx_get_mode); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 515 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 516 | int rtllib_wx_set_rawtx(struct rtllib_device *ieee, |
| 517 | struct iw_request_info *info, |
| 518 | union iwreq_data *wrqu, char *extra) |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 519 | { |
| 520 | |
| 521 | int *parms = (int *)extra; |
| 522 | int enable = (parms[0] > 0); |
| 523 | short prev = ieee->raw_tx; |
| 524 | |
| 525 | down(&ieee->wx_sem); |
| 526 | |
| 527 | if (enable) |
| 528 | ieee->raw_tx = 1; |
| 529 | else |
| 530 | ieee->raw_tx = 0; |
| 531 | |
| 532 | printk(KERN_INFO"raw TX is %s\n", |
| 533 | ieee->raw_tx ? "enabled" : "disabled"); |
| 534 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 535 | if (ieee->iw_mode == IW_MODE_MONITOR) { |
| 536 | if (prev == 0 && ieee->raw_tx) { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 537 | if (ieee->data_hard_resume) |
| 538 | ieee->data_hard_resume(ieee->dev); |
| 539 | |
| 540 | netif_carrier_on(ieee->dev); |
| 541 | } |
| 542 | |
| 543 | if (prev && ieee->raw_tx == 1) |
| 544 | netif_carrier_off(ieee->dev); |
| 545 | } |
| 546 | |
| 547 | up(&ieee->wx_sem); |
| 548 | |
| 549 | return 0; |
| 550 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 551 | EXPORT_SYMBOL(rtllib_wx_set_rawtx); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 552 | |
| 553 | int rtllib_wx_get_name(struct rtllib_device *ieee, |
| 554 | struct iw_request_info *info, |
| 555 | union iwreq_data *wrqu, char *extra) |
| 556 | { |
| 557 | strcpy(wrqu->name, "802.11"); |
| 558 | |
| 559 | if (ieee->modulation & RTLLIB_CCK_MODULATION) |
| 560 | strcat(wrqu->name, "b"); |
| 561 | if (ieee->modulation & RTLLIB_OFDM_MODULATION) |
| 562 | strcat(wrqu->name, "g"); |
| 563 | if (ieee->mode & (IEEE_N_24G | IEEE_N_5G)) |
| 564 | strcat(wrqu->name, "n"); |
| 565 | return 0; |
| 566 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 567 | EXPORT_SYMBOL(rtllib_wx_get_name); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 568 | |
| 569 | |
| 570 | /* this is mostly stolen from hostap */ |
| 571 | int rtllib_wx_set_power(struct rtllib_device *ieee, |
| 572 | struct iw_request_info *info, |
| 573 | union iwreq_data *wrqu, char *extra) |
| 574 | { |
| 575 | int ret = 0; |
Mike McCormack | 4f6807e | 2011-07-11 08:56:20 +0900 | [diff] [blame] | 576 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 577 | if ((!ieee->sta_wake_up) || |
| 578 | (!ieee->enter_sleep_state) || |
| 579 | (!ieee->ps_is_queue_empty)) { |
Justin P. Mattock | cd01712 | 2012-04-23 07:36:52 -0700 | [diff] [blame] | 580 | RTLLIB_DEBUG(RTLLIB_DL_ERR, "%s(): PS mode is tried to be use " |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 581 | "but driver missed a callback\n\n", __func__); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 582 | return -1; |
| 583 | } |
Mike McCormack | 4f6807e | 2011-07-11 08:56:20 +0900 | [diff] [blame] | 584 | |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 585 | down(&ieee->wx_sem); |
| 586 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 587 | if (wrqu->power.disabled) { |
| 588 | RT_TRACE(COMP_DBG, "===>%s(): power disable\n", __func__); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 589 | ieee->ps = RTLLIB_PS_DISABLED; |
| 590 | goto exit; |
| 591 | } |
| 592 | if (wrqu->power.flags & IW_POWER_TIMEOUT) { |
| 593 | ieee->ps_timeout = wrqu->power.value / 1000; |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 594 | RT_TRACE(COMP_DBG, "===>%s():ps_timeout is %d\n", __func__, |
| 595 | ieee->ps_timeout); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 596 | } |
| 597 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 598 | if (wrqu->power.flags & IW_POWER_PERIOD) |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 599 | ieee->ps_period = wrqu->power.value / 1000; |
| 600 | |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 601 | switch (wrqu->power.flags & IW_POWER_MODE) { |
| 602 | case IW_POWER_UNICAST_R: |
| 603 | ieee->ps = RTLLIB_PS_UNICAST; |
| 604 | break; |
| 605 | case IW_POWER_MULTICAST_R: |
| 606 | ieee->ps = RTLLIB_PS_MBCAST; |
| 607 | break; |
| 608 | case IW_POWER_ALL_R: |
| 609 | ieee->ps = RTLLIB_PS_UNICAST | RTLLIB_PS_MBCAST; |
| 610 | break; |
| 611 | |
| 612 | case IW_POWER_ON: |
| 613 | break; |
| 614 | |
| 615 | default: |
| 616 | ret = -EINVAL; |
| 617 | goto exit; |
| 618 | |
| 619 | } |
| 620 | exit: |
| 621 | up(&ieee->wx_sem); |
| 622 | return ret; |
| 623 | |
| 624 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 625 | EXPORT_SYMBOL(rtllib_wx_set_power); |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 626 | |
| 627 | /* this is stolen from hostap */ |
| 628 | int rtllib_wx_get_power(struct rtllib_device *ieee, |
| 629 | struct iw_request_info *info, |
| 630 | union iwreq_data *wrqu, char *extra) |
| 631 | { |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 632 | down(&ieee->wx_sem); |
| 633 | |
| 634 | if (ieee->ps == RTLLIB_PS_DISABLED) { |
| 635 | wrqu->power.disabled = 1; |
| 636 | goto exit; |
| 637 | } |
| 638 | |
| 639 | wrqu->power.disabled = 0; |
| 640 | |
| 641 | if ((wrqu->power.flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { |
| 642 | wrqu->power.flags = IW_POWER_TIMEOUT; |
| 643 | wrqu->power.value = ieee->ps_timeout * 1000; |
| 644 | } else { |
| 645 | wrqu->power.flags = IW_POWER_PERIOD; |
| 646 | wrqu->power.value = ieee->ps_period * 1000; |
| 647 | } |
| 648 | |
Larry Finger | a44be77 | 2011-08-25 11:48:27 -0500 | [diff] [blame] | 649 | if ((ieee->ps & (RTLLIB_PS_MBCAST | RTLLIB_PS_UNICAST)) == |
| 650 | (RTLLIB_PS_MBCAST | RTLLIB_PS_UNICAST)) |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 651 | wrqu->power.flags |= IW_POWER_ALL_R; |
| 652 | else if (ieee->ps & RTLLIB_PS_MBCAST) |
| 653 | wrqu->power.flags |= IW_POWER_MULTICAST_R; |
| 654 | else |
| 655 | wrqu->power.flags |= IW_POWER_UNICAST_R; |
| 656 | |
| 657 | exit: |
| 658 | up(&ieee->wx_sem); |
Peter Senna Tschudin | 4764ca9 | 2014-05-26 16:08:50 +0200 | [diff] [blame] | 659 | return 0; |
Larry Finger | 94a7994 | 2011-08-23 19:00:42 -0500 | [diff] [blame] | 660 | |
| 661 | } |
Sean MacLennan | 3b28499 | 2011-11-28 20:20:26 -0500 | [diff] [blame] | 662 | EXPORT_SYMBOL(rtllib_wx_get_power); |