Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | |
| 3 | Copyright(c) 2004 Intel Corporation. All rights reserved. |
| 4 | |
| 5 | Portions of this file are based on the WEP enablement code provided by the |
| 6 | Host AP project hostap-drivers v0.1.3 |
| 7 | Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen |
| 8 | <jkmaline@cc.hut.fi> |
| 9 | Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> |
| 10 | |
| 11 | This program is free software; you can redistribute it and/or modify it |
| 12 | under the terms of version 2 of the GNU General Public License as |
| 13 | published by the Free Software Foundation. |
| 14 | |
| 15 | This program is distributed in the hope that it will be useful, but WITHOUT |
| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 17 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 18 | more details. |
| 19 | |
| 20 | You should have received a copy of the GNU General Public License along with |
| 21 | this program; if not, write to the Free Software Foundation, Inc., 59 |
| 22 | Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 23 | |
| 24 | The full GNU General Public License is included in this distribution in the |
| 25 | file called LICENSE. |
| 26 | |
| 27 | Contact Information: |
| 28 | James P. Ketrenos <ipw2100-admin@linux.intel.com> |
| 29 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 |
| 30 | |
| 31 | ******************************************************************************/ |
| 32 | #include <linux/wireless.h> |
| 33 | #include <linux/version.h> |
| 34 | #include <linux/kmod.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame^] | 35 | #include <linux/slab.h> |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 36 | #include <linux/module.h> |
| 37 | |
| 38 | #include "ieee80211.h" |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 39 | struct modes_unit { |
| 40 | char *mode_string; |
| 41 | int mode_size; |
| 42 | }; |
| 43 | struct modes_unit ieee80211_modes[] = { |
| 44 | {"a",1}, |
| 45 | {"b",1}, |
| 46 | {"g",1}, |
| 47 | {"?",1}, |
| 48 | {"N-24G",5}, |
| 49 | {"N-5G",4}, |
| 50 | }; |
| 51 | |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 52 | #define iwe_stream_add_event_rsl iwe_stream_add_event |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 53 | |
| 54 | #define MAX_CUSTOM_LEN 64 |
| 55 | static inline char *rtl819x_translate_scan(struct ieee80211_device *ieee, |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 56 | char *start, char *stop, |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 57 | struct ieee80211_network *network, |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 58 | struct iw_request_info *info) |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 59 | { |
| 60 | char custom[MAX_CUSTOM_LEN]; |
| 61 | char proto_name[IFNAMSIZ]; |
| 62 | char *pname = proto_name; |
| 63 | char *p; |
| 64 | struct iw_event iwe; |
| 65 | int i, j; |
| 66 | u16 max_rate, rate; |
| 67 | static u8 EWC11NHTCap[] = {0x00, 0x90, 0x4c, 0x33}; |
| 68 | |
| 69 | /* First entry *MUST* be the AP MAC address */ |
| 70 | iwe.cmd = SIOCGIWAP; |
| 71 | iwe.u.ap_addr.sa_family = ARPHRD_ETHER; |
| 72 | memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 73 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_ADDR_LEN); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 74 | /* Remaining entries will be displayed in the order we provide them */ |
| 75 | |
| 76 | /* Add the ESSID */ |
| 77 | iwe.cmd = SIOCGIWESSID; |
| 78 | iwe.u.data.flags = 1; |
| 79 | // if (network->flags & NETWORK_EMPTY_ESSID) { |
| 80 | if (network->ssid_len == 0) { |
| 81 | iwe.u.data.length = sizeof("<hidden>"); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 82 | start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>"); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 83 | } else { |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 84 | iwe.u.data.length = min(network->ssid_len, (u8)32); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 85 | start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 86 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 87 | /* Add the protocol name */ |
| 88 | iwe.cmd = SIOCGIWNAME; |
| 89 | for(i=0; i<(sizeof(ieee80211_modes)/sizeof(ieee80211_modes[0])); i++) { |
| 90 | if(network->mode&(1<<i)) { |
| 91 | sprintf(pname,ieee80211_modes[i].mode_string,ieee80211_modes[i].mode_size); |
| 92 | pname +=ieee80211_modes[i].mode_size; |
| 93 | } |
| 94 | } |
| 95 | *pname = '\0'; |
| 96 | snprintf(iwe.u.name, IFNAMSIZ, "IEEE802.11%s", proto_name); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 97 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_CHAR_LEN); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 98 | /* Add mode */ |
| 99 | iwe.cmd = SIOCGIWMODE; |
| 100 | if (network->capability & |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 101 | (WLAN_CAPABILITY_BSS | WLAN_CAPABILITY_IBSS)) { |
| 102 | if (network->capability & WLAN_CAPABILITY_BSS) |
| 103 | iwe.u.mode = IW_MODE_MASTER; |
| 104 | else |
| 105 | iwe.u.mode = IW_MODE_ADHOC; |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 106 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_UINT_LEN); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 107 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 108 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 109 | /* Add frequency/channel */ |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 110 | iwe.cmd = SIOCGIWFREQ; |
| 111 | /* iwe.u.freq.m = ieee80211_frequency(network->channel, network->mode); |
| 112 | iwe.u.freq.e = 3; */ |
| 113 | iwe.u.freq.m = network->channel; |
| 114 | iwe.u.freq.e = 0; |
| 115 | iwe.u.freq.i = 0; |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 116 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_FREQ_LEN); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 117 | /* Add encryption capability */ |
| 118 | iwe.cmd = SIOCGIWENCODE; |
| 119 | if (network->capability & WLAN_CAPABILITY_PRIVACY) |
| 120 | iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; |
| 121 | else |
| 122 | iwe.u.data.flags = IW_ENCODE_DISABLED; |
| 123 | iwe.u.data.length = 0; |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 124 | start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 125 | /* Add basic and extended rates */ |
| 126 | max_rate = 0; |
| 127 | p = custom; |
| 128 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): "); |
| 129 | for (i = 0, j = 0; i < network->rates_len; ) { |
| 130 | if (j < network->rates_ex_len && |
| 131 | ((network->rates_ex[j] & 0x7F) < |
| 132 | (network->rates[i] & 0x7F))) |
| 133 | rate = network->rates_ex[j++] & 0x7F; |
| 134 | else |
| 135 | rate = network->rates[i++] & 0x7F; |
| 136 | if (rate > max_rate) |
| 137 | max_rate = rate; |
| 138 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), |
| 139 | "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); |
| 140 | } |
| 141 | for (; j < network->rates_ex_len; j++) { |
| 142 | rate = network->rates_ex[j] & 0x7F; |
| 143 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), |
| 144 | "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); |
| 145 | if (rate > max_rate) |
| 146 | max_rate = rate; |
| 147 | } |
| 148 | |
| 149 | if (network->mode >= IEEE_N_24G)//add N rate here; |
| 150 | { |
| 151 | PHT_CAPABILITY_ELE ht_cap = NULL; |
| 152 | bool is40M = false, isShortGI = false; |
| 153 | u8 max_mcs = 0; |
| 154 | if (!memcmp(network->bssht.bdHTCapBuf, EWC11NHTCap, 4)) |
| 155 | ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[4]; |
| 156 | else |
| 157 | ht_cap = (PHT_CAPABILITY_ELE)&network->bssht.bdHTCapBuf[0]; |
| 158 | is40M = (ht_cap->ChlWidth)?1:0; |
| 159 | isShortGI = (ht_cap->ChlWidth)? |
| 160 | ((ht_cap->ShortGI40Mhz)?1:0): |
| 161 | ((ht_cap->ShortGI20Mhz)?1:0); |
| 162 | |
| 163 | max_mcs = HTGetHighestMCSRate(ieee, ht_cap->MCS, MCS_FILTER_ALL); |
| 164 | rate = MCS_DATA_RATE[is40M][isShortGI][max_mcs&0x7f]; |
| 165 | if (rate > max_rate) |
| 166 | max_rate = rate; |
| 167 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 168 | iwe.cmd = SIOCGIWRATE; |
| 169 | iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; |
| 170 | iwe.u.bitrate.value = max_rate * 500000; |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 171 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 172 | IW_EV_PARAM_LEN); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 173 | iwe.cmd = IWEVCUSTOM; |
| 174 | iwe.u.data.length = p - custom; |
| 175 | if (iwe.u.data.length) |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 176 | start = iwe_stream_add_point(info, start, stop, &iwe, custom); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 177 | /* Add quality statistics */ |
| 178 | /* TODO: Fix these values... */ |
| 179 | iwe.cmd = IWEVQUAL; |
| 180 | iwe.u.qual.qual = network->stats.signal; |
| 181 | iwe.u.qual.level = network->stats.rssi; |
| 182 | iwe.u.qual.noise = network->stats.noise; |
| 183 | iwe.u.qual.updated = network->stats.mask & IEEE80211_STATMASK_WEMASK; |
| 184 | if (!(network->stats.mask & IEEE80211_STATMASK_RSSI)) |
| 185 | iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID; |
| 186 | if (!(network->stats.mask & IEEE80211_STATMASK_NOISE)) |
| 187 | iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID; |
| 188 | if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL)) |
| 189 | iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID; |
| 190 | iwe.u.qual.updated = 7; |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 191 | start = iwe_stream_add_event_rsl(info, start, stop, &iwe, IW_EV_QUAL_LEN); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 192 | iwe.cmd = IWEVCUSTOM; |
| 193 | p = custom; |
| 194 | |
| 195 | iwe.u.data.length = p - custom; |
| 196 | if (iwe.u.data.length) |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 197 | start = iwe_stream_add_point(info, start, stop, &iwe, custom); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 198 | #if (WIRELESS_EXT < 18) |
| 199 | if (ieee->wpa_enabled && network->wpa_ie_len){ |
| 200 | char buf[MAX_WPA_IE_LEN * 2 + 30]; |
| 201 | // printk("WPA IE\n"); |
| 202 | u8 *p = buf; |
| 203 | p += sprintf(p, "wpa_ie="); |
| 204 | for (i = 0; i < network->wpa_ie_len; i++) { |
| 205 | p += sprintf(p, "%02x", network->wpa_ie[i]); |
| 206 | } |
| 207 | |
| 208 | memset(&iwe, 0, sizeof(iwe)); |
| 209 | iwe.cmd = IWEVCUSTOM; |
| 210 | iwe.u.data.length = strlen(buf); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 211 | start = iwe_stream_add_point(info, start, stop, &iwe, buf); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 212 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 213 | |
| 214 | if (ieee->wpa_enabled && network->rsn_ie_len){ |
| 215 | char buf[MAX_WPA_IE_LEN * 2 + 30]; |
| 216 | |
| 217 | u8 *p = buf; |
| 218 | p += sprintf(p, "rsn_ie="); |
| 219 | for (i = 0; i < network->rsn_ie_len; i++) { |
| 220 | p += sprintf(p, "%02x", network->rsn_ie[i]); |
| 221 | } |
| 222 | |
| 223 | memset(&iwe, 0, sizeof(iwe)); |
| 224 | iwe.cmd = IWEVCUSTOM; |
| 225 | iwe.u.data.length = strlen(buf); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 226 | start = iwe_stream_add_point(info, start, stop, &iwe, buf); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 227 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 228 | #else |
| 229 | memset(&iwe, 0, sizeof(iwe)); |
| 230 | if (network->wpa_ie_len) |
| 231 | { |
| 232 | char buf[MAX_WPA_IE_LEN]; |
| 233 | memcpy(buf, network->wpa_ie, network->wpa_ie_len); |
| 234 | iwe.cmd = IWEVGENIE; |
| 235 | iwe.u.data.length = network->wpa_ie_len; |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 236 | start = iwe_stream_add_point(info, start, stop, &iwe, buf); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 237 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 238 | memset(&iwe, 0, sizeof(iwe)); |
| 239 | if (network->rsn_ie_len) |
| 240 | { |
| 241 | char buf[MAX_WPA_IE_LEN]; |
| 242 | memcpy(buf, network->rsn_ie, network->rsn_ie_len); |
| 243 | iwe.cmd = IWEVGENIE; |
| 244 | iwe.u.data.length = network->rsn_ie_len; |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 245 | start = iwe_stream_add_point(info, start, stop, &iwe, buf); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 246 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 247 | #endif |
| 248 | |
| 249 | |
| 250 | /* Add EXTRA: Age to display seconds since last beacon/probe response |
| 251 | * for given network. */ |
| 252 | iwe.cmd = IWEVCUSTOM; |
| 253 | p = custom; |
| 254 | p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), |
| 255 | " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100)); |
| 256 | iwe.u.data.length = p - custom; |
| 257 | if (iwe.u.data.length) |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 258 | start = iwe_stream_add_point(info, start, stop, &iwe, custom); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 259 | |
| 260 | return start; |
| 261 | } |
| 262 | |
| 263 | int ieee80211_wx_get_scan(struct ieee80211_device *ieee, |
| 264 | struct iw_request_info *info, |
| 265 | union iwreq_data *wrqu, char *extra) |
| 266 | { |
| 267 | struct ieee80211_network *network; |
| 268 | unsigned long flags; |
| 269 | |
| 270 | char *ev = extra; |
| 271 | // char *stop = ev + IW_SCAN_MAX_DATA; |
| 272 | char *stop = ev + wrqu->data.length;//IW_SCAN_MAX_DATA; |
| 273 | //char *stop = ev + IW_SCAN_MAX_DATA; |
| 274 | int i = 0; |
| 275 | int err = 0; |
| 276 | IEEE80211_DEBUG_WX("Getting scan\n"); |
| 277 | down(&ieee->wx_sem); |
| 278 | spin_lock_irqsave(&ieee->lock, flags); |
| 279 | |
| 280 | list_for_each_entry(network, &ieee->network_list, list) { |
| 281 | i++; |
| 282 | if((stop-ev)<200) |
| 283 | { |
| 284 | err = -E2BIG; |
| 285 | break; |
| 286 | } |
| 287 | if (ieee->scan_age == 0 || |
| 288 | time_after(network->last_scanned + ieee->scan_age, jiffies)) |
| 289 | ev = rtl819x_translate_scan(ieee, ev, stop, network, info); |
| 290 | else |
| 291 | IEEE80211_DEBUG_SCAN( |
| 292 | "Not showing network '%s (" |
Joe Perches | 0ee9f67 | 2009-12-06 11:34:52 -0800 | [diff] [blame] | 293 | "%pM)' due to age (%lums).\n", |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 294 | escape_essid(network->ssid, |
| 295 | network->ssid_len), |
Joe Perches | 0ee9f67 | 2009-12-06 11:34:52 -0800 | [diff] [blame] | 296 | network->bssid, |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 297 | (jiffies - network->last_scanned) / (HZ / 100)); |
| 298 | } |
| 299 | |
| 300 | spin_unlock_irqrestore(&ieee->lock, flags); |
| 301 | up(&ieee->wx_sem); |
| 302 | wrqu->data.length = ev - extra; |
| 303 | wrqu->data.flags = 0; |
| 304 | |
| 305 | IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i); |
| 306 | |
| 307 | return err; |
| 308 | } |
| 309 | |
| 310 | int ieee80211_wx_set_encode(struct ieee80211_device *ieee, |
| 311 | struct iw_request_info *info, |
| 312 | union iwreq_data *wrqu, char *keybuf) |
| 313 | { |
| 314 | struct iw_point *erq = &(wrqu->encoding); |
| 315 | struct net_device *dev = ieee->dev; |
| 316 | struct ieee80211_security sec = { |
| 317 | .flags = 0 |
| 318 | }; |
| 319 | int i, key, key_provided, len; |
| 320 | struct ieee80211_crypt_data **crypt; |
| 321 | |
| 322 | IEEE80211_DEBUG_WX("SET_ENCODE\n"); |
| 323 | |
| 324 | key = erq->flags & IW_ENCODE_INDEX; |
| 325 | if (key) { |
| 326 | if (key > WEP_KEYS) |
| 327 | return -EINVAL; |
| 328 | key--; |
| 329 | key_provided = 1; |
| 330 | } else { |
| 331 | key_provided = 0; |
| 332 | key = ieee->tx_keyidx; |
| 333 | } |
| 334 | |
| 335 | IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ? |
| 336 | "provided" : "default"); |
| 337 | crypt = &ieee->crypt[key]; |
| 338 | |
| 339 | if (erq->flags & IW_ENCODE_DISABLED) { |
| 340 | if (key_provided && *crypt) { |
| 341 | IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n", |
| 342 | key); |
| 343 | ieee80211_crypt_delayed_deinit(ieee, crypt); |
| 344 | } else |
| 345 | IEEE80211_DEBUG_WX("Disabling encryption.\n"); |
| 346 | |
| 347 | /* Check all the keys to see if any are still configured, |
| 348 | * and if no key index was provided, de-init them all */ |
| 349 | for (i = 0; i < WEP_KEYS; i++) { |
| 350 | if (ieee->crypt[i] != NULL) { |
| 351 | if (key_provided) |
| 352 | break; |
| 353 | ieee80211_crypt_delayed_deinit( |
| 354 | ieee, &ieee->crypt[i]); |
| 355 | } |
| 356 | } |
| 357 | |
| 358 | if (i == WEP_KEYS) { |
| 359 | sec.enabled = 0; |
| 360 | sec.level = SEC_LEVEL_0; |
| 361 | sec.flags |= SEC_ENABLED | SEC_LEVEL; |
| 362 | } |
| 363 | |
| 364 | goto done; |
| 365 | } |
| 366 | |
| 367 | |
| 368 | |
| 369 | sec.enabled = 1; |
| 370 | sec.flags |= SEC_ENABLED; |
| 371 | |
| 372 | if (*crypt != NULL && (*crypt)->ops != NULL && |
| 373 | strcmp((*crypt)->ops->name, "WEP") != 0) { |
| 374 | /* changing to use WEP; deinit previously used algorithm |
| 375 | * on this key */ |
| 376 | ieee80211_crypt_delayed_deinit(ieee, crypt); |
| 377 | } |
| 378 | |
| 379 | if (*crypt == NULL) { |
| 380 | struct ieee80211_crypt_data *new_crypt; |
| 381 | |
| 382 | /* take WEP into use */ |
| 383 | new_crypt = kmalloc(sizeof(struct ieee80211_crypt_data), |
| 384 | GFP_KERNEL); |
| 385 | if (new_crypt == NULL) |
| 386 | return -ENOMEM; |
| 387 | memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); |
| 388 | new_crypt->ops = ieee80211_get_crypto_ops("WEP"); |
| 389 | if (!new_crypt->ops) { |
| 390 | request_module("ieee80211_crypt_wep"); |
| 391 | new_crypt->ops = ieee80211_get_crypto_ops("WEP"); |
| 392 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 393 | if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 394 | new_crypt->priv = new_crypt->ops->init(key); |
| 395 | |
| 396 | if (!new_crypt->ops || !new_crypt->priv) { |
| 397 | kfree(new_crypt); |
| 398 | new_crypt = NULL; |
| 399 | |
| 400 | printk(KERN_WARNING "%s: could not initialize WEP: " |
| 401 | "load module ieee80211_crypt_wep\n", |
| 402 | dev->name); |
| 403 | return -EOPNOTSUPP; |
| 404 | } |
| 405 | *crypt = new_crypt; |
| 406 | } |
| 407 | |
| 408 | /* If a new key was provided, set it up */ |
| 409 | if (erq->length > 0) { |
| 410 | len = erq->length <= 5 ? 5 : 13; |
| 411 | memcpy(sec.keys[key], keybuf, erq->length); |
| 412 | if (len > erq->length) |
| 413 | memset(sec.keys[key] + erq->length, 0, |
| 414 | len - erq->length); |
| 415 | IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n", |
| 416 | key, escape_essid(sec.keys[key], len), |
| 417 | erq->length, len); |
| 418 | sec.key_sizes[key] = len; |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 419 | (*crypt)->ops->set_key(sec.keys[key], len, NULL, |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 420 | (*crypt)->priv); |
| 421 | sec.flags |= (1 << key); |
| 422 | /* This ensures a key will be activated if no key is |
| 423 | * explicitely set */ |
| 424 | if (key == sec.active_key) |
| 425 | sec.flags |= SEC_ACTIVE_KEY; |
| 426 | ieee->tx_keyidx = key; |
| 427 | |
| 428 | } else { |
| 429 | len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN, |
| 430 | NULL, (*crypt)->priv); |
| 431 | if (len == 0) { |
| 432 | /* Set a default key of all 0 */ |
| 433 | printk("Setting key %d to all zero.\n", |
| 434 | key); |
| 435 | |
| 436 | IEEE80211_DEBUG_WX("Setting key %d to all zero.\n", |
| 437 | key); |
| 438 | memset(sec.keys[key], 0, 13); |
| 439 | (*crypt)->ops->set_key(sec.keys[key], 13, NULL, |
| 440 | (*crypt)->priv); |
| 441 | sec.key_sizes[key] = 13; |
| 442 | sec.flags |= (1 << key); |
| 443 | } |
| 444 | |
| 445 | /* No key data - just set the default TX key index */ |
| 446 | if (key_provided) { |
| 447 | IEEE80211_DEBUG_WX( |
| 448 | "Setting key %d to default Tx key.\n", key); |
| 449 | ieee->tx_keyidx = key; |
| 450 | sec.active_key = key; |
| 451 | sec.flags |= SEC_ACTIVE_KEY; |
| 452 | } |
| 453 | } |
| 454 | |
| 455 | done: |
| 456 | ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED); |
| 457 | ieee->auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; |
| 458 | sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; |
| 459 | sec.flags |= SEC_AUTH_MODE; |
| 460 | IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ? |
| 461 | "OPEN" : "SHARED KEY"); |
| 462 | |
| 463 | /* For now we just support WEP, so only set that security level... |
| 464 | * TODO: When WPA is added this is one place that needs to change */ |
| 465 | sec.flags |= SEC_LEVEL; |
| 466 | sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */ |
| 467 | |
| 468 | if (ieee->set_security) |
| 469 | ieee->set_security(dev, &sec); |
| 470 | |
| 471 | /* Do not reset port if card is in Managed mode since resetting will |
| 472 | * generate new IEEE 802.11 authentication which may end up in looping |
| 473 | * with IEEE 802.1X. If your hardware requires a reset after WEP |
| 474 | * configuration (for example... Prism2), implement the reset_port in |
| 475 | * the callbacks structures used to initialize the 802.11 stack. */ |
| 476 | if (ieee->reset_on_keychange && |
| 477 | ieee->iw_mode != IW_MODE_INFRA && |
| 478 | ieee->reset_port && ieee->reset_port(dev)) { |
| 479 | printk(KERN_DEBUG "%s: reset_port failed\n", dev->name); |
| 480 | return -EINVAL; |
| 481 | } |
| 482 | return 0; |
| 483 | } |
| 484 | |
| 485 | int ieee80211_wx_get_encode(struct ieee80211_device *ieee, |
| 486 | struct iw_request_info *info, |
| 487 | union iwreq_data *wrqu, char *keybuf) |
| 488 | { |
| 489 | struct iw_point *erq = &(wrqu->encoding); |
| 490 | int len, key; |
| 491 | struct ieee80211_crypt_data *crypt; |
| 492 | |
| 493 | IEEE80211_DEBUG_WX("GET_ENCODE\n"); |
| 494 | |
| 495 | if(ieee->iw_mode == IW_MODE_MONITOR) |
| 496 | return -1; |
| 497 | |
| 498 | key = erq->flags & IW_ENCODE_INDEX; |
| 499 | if (key) { |
| 500 | if (key > WEP_KEYS) |
| 501 | return -EINVAL; |
| 502 | key--; |
| 503 | } else |
| 504 | key = ieee->tx_keyidx; |
| 505 | |
| 506 | crypt = ieee->crypt[key]; |
| 507 | erq->flags = key + 1; |
| 508 | |
| 509 | if (crypt == NULL || crypt->ops == NULL) { |
| 510 | erq->length = 0; |
| 511 | erq->flags |= IW_ENCODE_DISABLED; |
| 512 | return 0; |
| 513 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 514 | len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv); |
| 515 | erq->length = (len >= 0 ? len : 0); |
| 516 | |
| 517 | erq->flags |= IW_ENCODE_ENABLED; |
| 518 | |
| 519 | if (ieee->open_wep) |
| 520 | erq->flags |= IW_ENCODE_OPEN; |
| 521 | else |
| 522 | erq->flags |= IW_ENCODE_RESTRICTED; |
| 523 | |
| 524 | return 0; |
| 525 | } |
| 526 | #if (WIRELESS_EXT >= 18) |
| 527 | int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 528 | struct iw_request_info *info, |
| 529 | union iwreq_data *wrqu, char *extra) |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 530 | { |
| 531 | int ret = 0; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 532 | struct net_device *dev = ieee->dev; |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 533 | struct iw_point *encoding = &wrqu->encoding; |
| 534 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; |
| 535 | int i, idx; |
| 536 | int group_key = 0; |
| 537 | const char *alg, *module; |
| 538 | struct ieee80211_crypto_ops *ops; |
| 539 | struct ieee80211_crypt_data **crypt; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 540 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 541 | struct ieee80211_security sec = { |
| 542 | .flags = 0, |
| 543 | }; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 544 | //printk("======>encoding flag:%x,ext flag:%x, ext alg:%d\n", encoding->flags,ext->ext_flags, ext->alg); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 545 | idx = encoding->flags & IW_ENCODE_INDEX; |
| 546 | if (idx) { |
| 547 | if (idx < 1 || idx > WEP_KEYS) |
| 548 | return -EINVAL; |
| 549 | idx--; |
| 550 | } else |
| 551 | idx = ieee->tx_keyidx; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 552 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 553 | if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 554 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 555 | crypt = &ieee->crypt[idx]; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 556 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 557 | group_key = 1; |
| 558 | } else { |
| 559 | /* some Cisco APs use idx>0 for unicast in dynamic WEP */ |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 560 | //printk("not group key, flags:%x, ext->alg:%d\n", ext->ext_flags, ext->alg); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 561 | if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP) |
| 562 | return -EINVAL; |
| 563 | if (ieee->iw_mode == IW_MODE_INFRA) |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 564 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 565 | crypt = &ieee->crypt[idx]; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 566 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 567 | else |
| 568 | return -EINVAL; |
| 569 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 570 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 571 | sec.flags |= SEC_ENABLED;// | SEC_ENCRYPT; |
| 572 | if ((encoding->flags & IW_ENCODE_DISABLED) || |
| 573 | ext->alg == IW_ENCODE_ALG_NONE) { |
| 574 | if (*crypt) |
| 575 | ieee80211_crypt_delayed_deinit(ieee, crypt); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 576 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 577 | for (i = 0; i < WEP_KEYS; i++) |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 578 | |
| 579 | if (ieee->crypt[i] != NULL) |
| 580 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 581 | break; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 582 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 583 | if (i == WEP_KEYS) { |
| 584 | sec.enabled = 0; |
| 585 | // sec.encrypt = 0; |
| 586 | sec.level = SEC_LEVEL_0; |
| 587 | sec.flags |= SEC_LEVEL; |
| 588 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 589 | //printk("disabled: flag:%x\n", encoding->flags); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 590 | goto done; |
| 591 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 592 | |
| 593 | sec.enabled = 1; |
| 594 | // sec.encrypt = 1; |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 595 | switch (ext->alg) { |
| 596 | case IW_ENCODE_ALG_WEP: |
| 597 | alg = "WEP"; |
| 598 | module = "ieee80211_crypt_wep"; |
| 599 | break; |
| 600 | case IW_ENCODE_ALG_TKIP: |
| 601 | alg = "TKIP"; |
| 602 | module = "ieee80211_crypt_tkip"; |
| 603 | break; |
| 604 | case IW_ENCODE_ALG_CCMP: |
| 605 | alg = "CCMP"; |
| 606 | module = "ieee80211_crypt_ccmp"; |
| 607 | break; |
| 608 | default: |
| 609 | IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", |
| 610 | dev->name, ext->alg); |
| 611 | ret = -EINVAL; |
| 612 | goto done; |
| 613 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 614 | printk("alg name:%s\n",alg); |
| 615 | |
| 616 | ops = ieee80211_get_crypto_ops(alg); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 617 | if (ops == NULL) { |
| 618 | request_module(module); |
| 619 | ops = ieee80211_get_crypto_ops(alg); |
| 620 | } |
| 621 | if (ops == NULL) { |
| 622 | IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", |
| 623 | dev->name, ext->alg); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 624 | printk("========>unknown crypto alg %d\n", ext->alg); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 625 | ret = -EINVAL; |
| 626 | goto done; |
| 627 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 628 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 629 | if (*crypt == NULL || (*crypt)->ops != ops) { |
| 630 | struct ieee80211_crypt_data *new_crypt; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 631 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 632 | ieee80211_crypt_delayed_deinit(ieee, crypt); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 633 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 634 | new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 635 | if (new_crypt == NULL) { |
| 636 | ret = -ENOMEM; |
| 637 | goto done; |
| 638 | } |
| 639 | new_crypt->ops = ops; |
| 640 | if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) |
| 641 | new_crypt->priv = new_crypt->ops->init(idx); |
| 642 | if (new_crypt->priv == NULL) { |
| 643 | kfree(new_crypt); |
| 644 | ret = -EINVAL; |
| 645 | goto done; |
| 646 | } |
| 647 | *crypt = new_crypt; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 648 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 649 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 650 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 651 | if (ext->key_len > 0 && (*crypt)->ops->set_key && |
| 652 | (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq, |
| 653 | (*crypt)->priv) < 0) { |
| 654 | IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 655 | printk("key setting failed\n"); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 656 | ret = -EINVAL; |
| 657 | goto done; |
| 658 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 659 | //skip_host_crypt: |
| 660 | //printk("skip_host_crypt:ext_flags:%x\n", ext->ext_flags); |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 661 | if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { |
| 662 | ieee->tx_keyidx = idx; |
| 663 | sec.active_key = idx; |
| 664 | sec.flags |= SEC_ACTIVE_KEY; |
| 665 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 666 | |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 667 | if (ext->alg != IW_ENCODE_ALG_NONE) { |
| 668 | //memcpy(sec.keys[idx], ext->key, ext->key_len); |
| 669 | sec.key_sizes[idx] = ext->key_len; |
| 670 | sec.flags |= (1 << idx); |
| 671 | if (ext->alg == IW_ENCODE_ALG_WEP) { |
| 672 | // sec.encode_alg[idx] = SEC_ALG_WEP; |
| 673 | sec.flags |= SEC_LEVEL; |
| 674 | sec.level = SEC_LEVEL_1; |
| 675 | } else if (ext->alg == IW_ENCODE_ALG_TKIP) { |
| 676 | // sec.encode_alg[idx] = SEC_ALG_TKIP; |
| 677 | sec.flags |= SEC_LEVEL; |
| 678 | sec.level = SEC_LEVEL_2; |
| 679 | } else if (ext->alg == IW_ENCODE_ALG_CCMP) { |
| 680 | // sec.encode_alg[idx] = SEC_ALG_CCMP; |
| 681 | sec.flags |= SEC_LEVEL; |
| 682 | sec.level = SEC_LEVEL_3; |
| 683 | } |
| 684 | /* Don't set sec level for group keys. */ |
| 685 | if (group_key) |
| 686 | sec.flags &= ~SEC_LEVEL; |
| 687 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 688 | done: |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 689 | if (ieee->set_security) |
| 690 | ieee->set_security(ieee->dev, &sec); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 691 | |
| 692 | if (ieee->reset_on_keychange && |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 693 | ieee->iw_mode != IW_MODE_INFRA && |
| 694 | ieee->reset_port && ieee->reset_port(dev)) { |
| 695 | IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name); |
| 696 | return -EINVAL; |
| 697 | } |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 698 | return ret; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 699 | } |
| 700 | |
| 701 | int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee, |
| 702 | struct iw_request_info *info, |
| 703 | union iwreq_data *wrqu, char *extra) |
| 704 | { |
| 705 | struct iw_point *encoding = &wrqu->encoding; |
| 706 | struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; |
| 707 | struct ieee80211_crypt_data *crypt; |
| 708 | int idx, max_key_len; |
| 709 | |
| 710 | max_key_len = encoding->length - sizeof(*ext); |
| 711 | if (max_key_len < 0) |
| 712 | return -EINVAL; |
| 713 | |
| 714 | idx = encoding->flags & IW_ENCODE_INDEX; |
| 715 | if (idx) { |
| 716 | if (idx < 1 || idx > WEP_KEYS) |
| 717 | return -EINVAL; |
| 718 | idx--; |
| 719 | } else |
| 720 | idx = ieee->tx_keyidx; |
| 721 | |
Roel Kluin | 716323c | 2009-12-23 02:36:43 +0100 | [diff] [blame] | 722 | if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) && |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 723 | ext->alg != IW_ENCODE_ALG_WEP) |
| 724 | if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA) |
| 725 | return -EINVAL; |
| 726 | |
| 727 | crypt = ieee->crypt[idx]; |
| 728 | encoding->flags = idx + 1; |
| 729 | memset(ext, 0, sizeof(*ext)); |
| 730 | |
| 731 | if (crypt == NULL || crypt->ops == NULL ) { |
| 732 | ext->alg = IW_ENCODE_ALG_NONE; |
| 733 | ext->key_len = 0; |
| 734 | encoding->flags |= IW_ENCODE_DISABLED; |
| 735 | } else { |
| 736 | if (strcmp(crypt->ops->name, "WEP") == 0 ) |
| 737 | ext->alg = IW_ENCODE_ALG_WEP; |
| 738 | else if (strcmp(crypt->ops->name, "TKIP")) |
| 739 | ext->alg = IW_ENCODE_ALG_TKIP; |
| 740 | else if (strcmp(crypt->ops->name, "CCMP")) |
| 741 | ext->alg = IW_ENCODE_ALG_CCMP; |
| 742 | else |
| 743 | return -EINVAL; |
| 744 | ext->key_len = crypt->ops->get_key(ext->key, SCM_KEY_LEN, NULL, crypt->priv); |
| 745 | encoding->flags |= IW_ENCODE_ENABLED; |
| 746 | if (ext->key_len && |
| 747 | (ext->alg == IW_ENCODE_ALG_TKIP || |
| 748 | ext->alg == IW_ENCODE_ALG_CCMP)) |
| 749 | ext->ext_flags |= IW_ENCODE_EXT_TX_SEQ_VALID; |
| 750 | |
| 751 | } |
| 752 | |
| 753 | return 0; |
| 754 | } |
| 755 | |
| 756 | int ieee80211_wx_set_mlme(struct ieee80211_device *ieee, |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 757 | struct iw_request_info *info, |
| 758 | union iwreq_data *wrqu, char *extra) |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 759 | { |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 760 | struct iw_mlme *mlme = (struct iw_mlme *) extra; |
| 761 | switch (mlme->cmd) { |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 762 | case IW_MLME_DEAUTH: |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 763 | case IW_MLME_DISASSOC: |
| 764 | ieee80211_disassociate(ieee); |
| 765 | break; |
| 766 | default: |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 767 | return -EOPNOTSUPP; |
| 768 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 769 | return 0; |
| 770 | } |
| 771 | |
| 772 | int ieee80211_wx_set_auth(struct ieee80211_device *ieee, |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 773 | struct iw_request_info *info, |
| 774 | struct iw_param *data, char *extra) |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 775 | { |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 776 | switch (data->flags & IW_AUTH_INDEX) { |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 777 | case IW_AUTH_WPA_VERSION: |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 778 | /*need to support wpa2 here*/ |
| 779 | //printk("wpa version:%x\n", data->value); |
| 780 | break; |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 781 | case IW_AUTH_CIPHER_PAIRWISE: |
| 782 | case IW_AUTH_CIPHER_GROUP: |
| 783 | case IW_AUTH_KEY_MGMT: |
| 784 | /* |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 785 | * * Host AP driver does not use these parameters and allows |
| 786 | * * wpa_supplicant to control them internally. |
| 787 | * */ |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 788 | break; |
| 789 | case IW_AUTH_TKIP_COUNTERMEASURES: |
| 790 | ieee->tkip_countermeasures = data->value; |
| 791 | break; |
| 792 | case IW_AUTH_DROP_UNENCRYPTED: |
| 793 | ieee->drop_unencrypted = data->value; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 794 | break; |
| 795 | |
| 796 | case IW_AUTH_80211_AUTH_ALG: |
| 797 | //printk("======>%s():data->value is %d\n",__FUNCTION__,data->value); |
| 798 | // ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM)?1:0; |
| 799 | if(data->value & IW_AUTH_ALG_SHARED_KEY){ |
| 800 | ieee->open_wep = 0; |
| 801 | ieee->auth_mode = 1; |
| 802 | } |
| 803 | else if(data->value & IW_AUTH_ALG_OPEN_SYSTEM){ |
| 804 | ieee->open_wep = 1; |
| 805 | ieee->auth_mode = 0; |
| 806 | } |
| 807 | else if(data->value & IW_AUTH_ALG_LEAP){ |
| 808 | ieee->open_wep = 1; |
| 809 | ieee->auth_mode = 2; |
| 810 | //printk("hahahaa:LEAP\n"); |
| 811 | } |
| 812 | else |
| 813 | return -EINVAL; |
| 814 | //printk("open_wep:%d\n", ieee->open_wep); |
| 815 | break; |
| 816 | |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 817 | case IW_AUTH_WPA_ENABLED: |
| 818 | ieee->wpa_enabled = (data->value)?1:0; |
| 819 | //printk("enalbe wpa:%d\n", ieee->wpa_enabled); |
| 820 | break; |
| 821 | |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 822 | case IW_AUTH_RX_UNENCRYPTED_EAPOL: |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 823 | ieee->ieee802_1x = data->value; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 824 | break; |
| 825 | case IW_AUTH_PRIVACY_INVOKED: |
| 826 | ieee->privacy_invoked = data->value; |
| 827 | break; |
| 828 | default: |
Mauro Carvalho Chehab | e406322 | 2009-11-03 07:42:46 -0200 | [diff] [blame] | 829 | return -EOPNOTSUPP; |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 830 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 831 | return 0; |
| 832 | } |
| 833 | #endif |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 834 | int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len) |
| 835 | { |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 836 | u8 *buf; |
| 837 | |
| 838 | if (len>MAX_WPA_IE_LEN || (len && ie == NULL)) |
| 839 | { |
| 840 | // printk("return error out, len:%d\n", len); |
| 841 | return -EINVAL; |
| 842 | } |
| 843 | |
| 844 | |
| 845 | if (len) |
| 846 | { |
| 847 | if (len != ie[1]+2) |
| 848 | { |
Randy Dunlap | 3d8affc001 | 2009-11-24 12:13:55 -0800 | [diff] [blame] | 849 | printk("len:%zu, ie:%d\n", len, ie[1]); |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 850 | return -EINVAL; |
| 851 | } |
| 852 | buf = kmalloc(len, GFP_KERNEL); |
| 853 | if (buf == NULL) |
| 854 | return -ENOMEM; |
| 855 | memcpy(buf, ie, len); |
| 856 | kfree(ieee->wpa_ie); |
| 857 | ieee->wpa_ie = buf; |
| 858 | ieee->wpa_ie_len = len; |
| 859 | } |
| 860 | else{ |
| 861 | if (ieee->wpa_ie) |
| 862 | kfree(ieee->wpa_ie); |
| 863 | ieee->wpa_ie = NULL; |
| 864 | ieee->wpa_ie_len = 0; |
| 865 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 866 | return 0; |
| 867 | |
| 868 | } |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 869 | |
Jerry Chuang | 8fc8598 | 2009-11-03 07:17:11 -0200 | [diff] [blame] | 870 | EXPORT_SYMBOL(ieee80211_wx_set_gen_ie); |
| 871 | #if (WIRELESS_EXT >= 18) |
| 872 | EXPORT_SYMBOL(ieee80211_wx_set_mlme); |
| 873 | EXPORT_SYMBOL(ieee80211_wx_set_auth); |
| 874 | EXPORT_SYMBOL(ieee80211_wx_set_encode_ext); |
| 875 | EXPORT_SYMBOL(ieee80211_wx_get_encode_ext); |
| 876 | #endif |
| 877 | EXPORT_SYMBOL(ieee80211_wx_get_scan); |
| 878 | EXPORT_SYMBOL(ieee80211_wx_set_encode); |
| 879 | EXPORT_SYMBOL(ieee80211_wx_get_encode); |