Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Intel Wireless Multicomm 3200 WiFi driver |
| 3 | * |
| 4 | * Copyright (C) 2009 Intel Corporation <ilw@linux.intel.com> |
| 5 | * Samuel Ortiz <samuel.ortiz@intel.com> |
| 6 | * Zhu Yi <yi.zhu@intel.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License version |
| 10 | * 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 20 | * 02110-1301, USA. |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include <linux/kernel.h> |
| 25 | #include <linux/netdevice.h> |
Alexey Dobriyan | d43c36d | 2009-10-07 17:09:06 +0400 | [diff] [blame] | 26 | #include <linux/sched.h> |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 27 | #include <linux/etherdevice.h> |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 28 | #include <linux/wireless.h> |
| 29 | #include <linux/ieee80211.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 30 | #include <linux/slab.h> |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 31 | #include <net/cfg80211.h> |
| 32 | |
| 33 | #include "iwm.h" |
| 34 | #include "commands.h" |
| 35 | #include "cfg80211.h" |
| 36 | #include "debug.h" |
| 37 | |
| 38 | #define RATETAB_ENT(_rate, _rateid, _flags) \ |
| 39 | { \ |
| 40 | .bitrate = (_rate), \ |
| 41 | .hw_value = (_rateid), \ |
| 42 | .flags = (_flags), \ |
| 43 | } |
| 44 | |
| 45 | #define CHAN2G(_channel, _freq, _flags) { \ |
| 46 | .band = IEEE80211_BAND_2GHZ, \ |
| 47 | .center_freq = (_freq), \ |
| 48 | .hw_value = (_channel), \ |
| 49 | .flags = (_flags), \ |
| 50 | .max_antenna_gain = 0, \ |
| 51 | .max_power = 30, \ |
| 52 | } |
| 53 | |
| 54 | #define CHAN5G(_channel, _flags) { \ |
| 55 | .band = IEEE80211_BAND_5GHZ, \ |
| 56 | .center_freq = 5000 + (5 * (_channel)), \ |
| 57 | .hw_value = (_channel), \ |
| 58 | .flags = (_flags), \ |
| 59 | .max_antenna_gain = 0, \ |
| 60 | .max_power = 30, \ |
| 61 | } |
| 62 | |
| 63 | static struct ieee80211_rate iwm_rates[] = { |
| 64 | RATETAB_ENT(10, 0x1, 0), |
| 65 | RATETAB_ENT(20, 0x2, 0), |
| 66 | RATETAB_ENT(55, 0x4, 0), |
| 67 | RATETAB_ENT(110, 0x8, 0), |
| 68 | RATETAB_ENT(60, 0x10, 0), |
| 69 | RATETAB_ENT(90, 0x20, 0), |
| 70 | RATETAB_ENT(120, 0x40, 0), |
| 71 | RATETAB_ENT(180, 0x80, 0), |
| 72 | RATETAB_ENT(240, 0x100, 0), |
| 73 | RATETAB_ENT(360, 0x200, 0), |
| 74 | RATETAB_ENT(480, 0x400, 0), |
| 75 | RATETAB_ENT(540, 0x800, 0), |
| 76 | }; |
| 77 | |
| 78 | #define iwm_a_rates (iwm_rates + 4) |
| 79 | #define iwm_a_rates_size 8 |
| 80 | #define iwm_g_rates (iwm_rates + 0) |
| 81 | #define iwm_g_rates_size 12 |
| 82 | |
| 83 | static struct ieee80211_channel iwm_2ghz_channels[] = { |
| 84 | CHAN2G(1, 2412, 0), |
| 85 | CHAN2G(2, 2417, 0), |
| 86 | CHAN2G(3, 2422, 0), |
| 87 | CHAN2G(4, 2427, 0), |
| 88 | CHAN2G(5, 2432, 0), |
| 89 | CHAN2G(6, 2437, 0), |
| 90 | CHAN2G(7, 2442, 0), |
| 91 | CHAN2G(8, 2447, 0), |
| 92 | CHAN2G(9, 2452, 0), |
| 93 | CHAN2G(10, 2457, 0), |
| 94 | CHAN2G(11, 2462, 0), |
| 95 | CHAN2G(12, 2467, 0), |
| 96 | CHAN2G(13, 2472, 0), |
| 97 | CHAN2G(14, 2484, 0), |
| 98 | }; |
| 99 | |
| 100 | static struct ieee80211_channel iwm_5ghz_a_channels[] = { |
| 101 | CHAN5G(34, 0), CHAN5G(36, 0), |
| 102 | CHAN5G(38, 0), CHAN5G(40, 0), |
| 103 | CHAN5G(42, 0), CHAN5G(44, 0), |
| 104 | CHAN5G(46, 0), CHAN5G(48, 0), |
| 105 | CHAN5G(52, 0), CHAN5G(56, 0), |
| 106 | CHAN5G(60, 0), CHAN5G(64, 0), |
| 107 | CHAN5G(100, 0), CHAN5G(104, 0), |
| 108 | CHAN5G(108, 0), CHAN5G(112, 0), |
| 109 | CHAN5G(116, 0), CHAN5G(120, 0), |
| 110 | CHAN5G(124, 0), CHAN5G(128, 0), |
| 111 | CHAN5G(132, 0), CHAN5G(136, 0), |
| 112 | CHAN5G(140, 0), CHAN5G(149, 0), |
| 113 | CHAN5G(153, 0), CHAN5G(157, 0), |
| 114 | CHAN5G(161, 0), CHAN5G(165, 0), |
| 115 | CHAN5G(184, 0), CHAN5G(188, 0), |
| 116 | CHAN5G(192, 0), CHAN5G(196, 0), |
| 117 | CHAN5G(200, 0), CHAN5G(204, 0), |
| 118 | CHAN5G(208, 0), CHAN5G(212, 0), |
| 119 | CHAN5G(216, 0), |
| 120 | }; |
| 121 | |
| 122 | static struct ieee80211_supported_band iwm_band_2ghz = { |
| 123 | .channels = iwm_2ghz_channels, |
| 124 | .n_channels = ARRAY_SIZE(iwm_2ghz_channels), |
| 125 | .bitrates = iwm_g_rates, |
| 126 | .n_bitrates = iwm_g_rates_size, |
| 127 | }; |
| 128 | |
| 129 | static struct ieee80211_supported_band iwm_band_5ghz = { |
| 130 | .channels = iwm_5ghz_a_channels, |
| 131 | .n_channels = ARRAY_SIZE(iwm_5ghz_a_channels), |
| 132 | .bitrates = iwm_a_rates, |
| 133 | .n_bitrates = iwm_a_rates_size, |
| 134 | }; |
| 135 | |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 136 | static int iwm_key_init(struct iwm_key *key, u8 key_index, |
| 137 | const u8 *mac_addr, struct key_params *params) |
| 138 | { |
| 139 | key->hdr.key_idx = key_index; |
| 140 | if (!mac_addr || is_broadcast_ether_addr(mac_addr)) { |
| 141 | key->hdr.multicast = 1; |
| 142 | memset(key->hdr.mac, 0xff, ETH_ALEN); |
| 143 | } else { |
| 144 | key->hdr.multicast = 0; |
| 145 | memcpy(key->hdr.mac, mac_addr, ETH_ALEN); |
| 146 | } |
| 147 | |
| 148 | if (params) { |
| 149 | if (params->key_len > WLAN_MAX_KEY_LEN || |
| 150 | params->seq_len > IW_ENCODE_SEQ_MAX_SIZE) |
| 151 | return -EINVAL; |
| 152 | |
| 153 | key->cipher = params->cipher; |
| 154 | key->key_len = params->key_len; |
| 155 | key->seq_len = params->seq_len; |
| 156 | memcpy(key->key, params->key, key->key_len); |
| 157 | memcpy(key->seq, params->seq, key->seq_len); |
| 158 | } |
| 159 | |
| 160 | return 0; |
| 161 | } |
| 162 | |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 163 | static int iwm_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 164 | u8 key_index, bool pairwise, const u8 *mac_addr, |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 165 | struct key_params *params) |
| 166 | { |
| 167 | struct iwm_priv *iwm = ndev_to_iwm(ndev); |
Dan Carpenter | 5a5ee76 | 2011-10-18 09:50:43 +0300 | [diff] [blame] | 168 | struct iwm_key *key; |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 169 | int ret; |
| 170 | |
| 171 | IWM_DBG_WEXT(iwm, DBG, "Adding key for %pM\n", mac_addr); |
| 172 | |
Dan Carpenter | 5a5ee76 | 2011-10-18 09:50:43 +0300 | [diff] [blame] | 173 | if (key_index >= IWM_NUM_KEYS) |
| 174 | return -ENOENT; |
| 175 | |
| 176 | key = &iwm->keys[key_index]; |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 177 | memset(key, 0, sizeof(struct iwm_key)); |
| 178 | ret = iwm_key_init(key, key_index, mac_addr, params); |
| 179 | if (ret < 0) { |
| 180 | IWM_ERR(iwm, "Invalid key_params\n"); |
| 181 | return ret; |
| 182 | } |
| 183 | |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 184 | return iwm_set_key(iwm, 0, key); |
| 185 | } |
| 186 | |
| 187 | static int iwm_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 188 | u8 key_index, bool pairwise, const u8 *mac_addr, |
| 189 | void *cookie, |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 190 | void (*callback)(void *cookie, |
| 191 | struct key_params*)) |
| 192 | { |
| 193 | struct iwm_priv *iwm = ndev_to_iwm(ndev); |
Dan Carpenter | f9a703e | 2011-10-12 11:10:37 +0300 | [diff] [blame] | 194 | struct iwm_key *key; |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 195 | struct key_params params; |
| 196 | |
| 197 | IWM_DBG_WEXT(iwm, DBG, "Getting key %d\n", key_index); |
| 198 | |
Dan Carpenter | f9a703e | 2011-10-12 11:10:37 +0300 | [diff] [blame] | 199 | if (key_index >= IWM_NUM_KEYS) |
| 200 | return -ENOENT; |
| 201 | |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 202 | memset(¶ms, 0, sizeof(params)); |
| 203 | |
Dan Carpenter | f9a703e | 2011-10-12 11:10:37 +0300 | [diff] [blame] | 204 | key = &iwm->keys[key_index]; |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 205 | params.cipher = key->cipher; |
| 206 | params.key_len = key->key_len; |
| 207 | params.seq_len = key->seq_len; |
| 208 | params.seq = key->seq; |
| 209 | params.key = key->key; |
| 210 | |
| 211 | callback(cookie, ¶ms); |
| 212 | |
| 213 | return key->key_len ? 0 : -ENOENT; |
| 214 | } |
| 215 | |
| 216 | |
| 217 | static int iwm_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 218 | u8 key_index, bool pairwise, const u8 *mac_addr) |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 219 | { |
| 220 | struct iwm_priv *iwm = ndev_to_iwm(ndev); |
Dan Carpenter | 5a5ee76 | 2011-10-18 09:50:43 +0300 | [diff] [blame] | 221 | struct iwm_key *key; |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 222 | |
Dan Carpenter | 5a5ee76 | 2011-10-18 09:50:43 +0300 | [diff] [blame] | 223 | if (key_index >= IWM_NUM_KEYS) |
| 224 | return -ENOENT; |
| 225 | |
| 226 | key = &iwm->keys[key_index]; |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 227 | if (!iwm->keys[key_index].key_len) { |
| 228 | IWM_DBG_WEXT(iwm, DBG, "Key %d not used\n", key_index); |
| 229 | return 0; |
| 230 | } |
| 231 | |
| 232 | if (key_index == iwm->default_key) |
| 233 | iwm->default_key = -1; |
| 234 | |
| 235 | return iwm_set_key(iwm, 1, key); |
| 236 | } |
| 237 | |
| 238 | static int iwm_cfg80211_set_default_key(struct wiphy *wiphy, |
| 239 | struct net_device *ndev, |
Johannes Berg | dbd2fd6 | 2010-12-09 19:58:59 +0100 | [diff] [blame] | 240 | u8 key_index, bool unicast, |
| 241 | bool multicast) |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 242 | { |
| 243 | struct iwm_priv *iwm = ndev_to_iwm(ndev); |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 244 | |
| 245 | IWM_DBG_WEXT(iwm, DBG, "Default key index is: %d\n", key_index); |
| 246 | |
Dan Carpenter | 5a5ee76 | 2011-10-18 09:50:43 +0300 | [diff] [blame] | 247 | if (key_index >= IWM_NUM_KEYS) |
| 248 | return -ENOENT; |
| 249 | |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 250 | if (!iwm->keys[key_index].key_len) { |
| 251 | IWM_ERR(iwm, "Key %d not used\n", key_index); |
| 252 | return -EINVAL; |
| 253 | } |
| 254 | |
Samuel Ortiz | 3549716 | 2009-06-15 21:59:54 +0200 | [diff] [blame] | 255 | iwm->default_key = key_index; |
| 256 | |
Zhu Yi | 6e5db0a | 2009-07-16 17:34:13 +0800 | [diff] [blame] | 257 | return iwm_set_tx_key(iwm, key_index); |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 258 | } |
| 259 | |
Samuel Ortiz | d041811 | 2009-09-01 15:14:00 +0200 | [diff] [blame] | 260 | static int iwm_cfg80211_get_station(struct wiphy *wiphy, |
| 261 | struct net_device *ndev, |
| 262 | u8 *mac, struct station_info *sinfo) |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 263 | { |
| 264 | struct iwm_priv *iwm = ndev_to_iwm(ndev); |
| 265 | |
| 266 | if (memcmp(mac, iwm->bssid, ETH_ALEN)) |
| 267 | return -ENOENT; |
| 268 | |
| 269 | sinfo->filled |= STATION_INFO_TX_BITRATE; |
| 270 | sinfo->txrate.legacy = iwm->rate * 10; |
| 271 | |
| 272 | if (test_bit(IWM_STATUS_ASSOCIATED, &iwm->status)) { |
| 273 | sinfo->filled |= STATION_INFO_SIGNAL; |
| 274 | sinfo->signal = iwm->wstats.qual.level; |
| 275 | } |
| 276 | |
| 277 | return 0; |
| 278 | } |
| 279 | |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 280 | |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 281 | int iwm_cfg80211_inform_bss(struct iwm_priv *iwm) |
| 282 | { |
| 283 | struct wiphy *wiphy = iwm_to_wiphy(iwm); |
Zhu Yi | 04d1c22 | 2010-02-25 14:15:26 +0800 | [diff] [blame] | 284 | struct iwm_bss_info *bss; |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 285 | struct iwm_umac_notif_bss_info *umac_bss; |
| 286 | struct ieee80211_mgmt *mgmt; |
| 287 | struct ieee80211_channel *channel; |
| 288 | struct ieee80211_supported_band *band; |
| 289 | s32 signal; |
| 290 | int freq; |
| 291 | |
Zhu Yi | 04d1c22 | 2010-02-25 14:15:26 +0800 | [diff] [blame] | 292 | list_for_each_entry(bss, &iwm->bss_list, node) { |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 293 | umac_bss = bss->bss; |
| 294 | mgmt = (struct ieee80211_mgmt *)(umac_bss->frame_buf); |
| 295 | |
| 296 | if (umac_bss->band == UMAC_BAND_2GHZ) |
| 297 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
| 298 | else if (umac_bss->band == UMAC_BAND_5GHZ) |
| 299 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; |
| 300 | else { |
| 301 | IWM_ERR(iwm, "Invalid band: %d\n", umac_bss->band); |
| 302 | return -EINVAL; |
| 303 | } |
| 304 | |
Bruno Randolf | 59eb21a | 2011-01-17 13:37:28 +0900 | [diff] [blame] | 305 | freq = ieee80211_channel_to_frequency(umac_bss->channel, |
| 306 | band->band); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 307 | channel = ieee80211_get_channel(wiphy, freq); |
| 308 | signal = umac_bss->rssi * 100; |
| 309 | |
| 310 | if (!cfg80211_inform_bss_frame(wiphy, channel, mgmt, |
| 311 | le16_to_cpu(umac_bss->frame_len), |
| 312 | signal, GFP_KERNEL)) |
| 313 | return -EINVAL; |
| 314 | } |
| 315 | |
| 316 | return 0; |
| 317 | } |
| 318 | |
Johannes Berg | e36d56b | 2009-06-09 21:04:43 +0200 | [diff] [blame] | 319 | static int iwm_cfg80211_change_iface(struct wiphy *wiphy, |
| 320 | struct net_device *ndev, |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 321 | enum nl80211_iftype type, u32 *flags, |
| 322 | struct vif_params *params) |
| 323 | { |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 324 | struct wireless_dev *wdev; |
| 325 | struct iwm_priv *iwm; |
| 326 | u32 old_mode; |
| 327 | |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 328 | wdev = ndev->ieee80211_ptr; |
| 329 | iwm = ndev_to_iwm(ndev); |
| 330 | old_mode = iwm->conf.mode; |
| 331 | |
| 332 | switch (type) { |
| 333 | case NL80211_IFTYPE_STATION: |
| 334 | iwm->conf.mode = UMAC_MODE_BSS; |
| 335 | break; |
| 336 | case NL80211_IFTYPE_ADHOC: |
| 337 | iwm->conf.mode = UMAC_MODE_IBSS; |
| 338 | break; |
| 339 | default: |
| 340 | return -EOPNOTSUPP; |
| 341 | } |
| 342 | |
| 343 | wdev->iftype = type; |
| 344 | |
| 345 | if ((old_mode == iwm->conf.mode) || !iwm->umac_profile) |
| 346 | return 0; |
| 347 | |
| 348 | iwm->umac_profile->mode = cpu_to_le32(iwm->conf.mode); |
| 349 | |
Zhu Yi | ae73abf | 2009-09-01 15:13:58 +0200 | [diff] [blame] | 350 | if (iwm->umac_profile_active) |
| 351 | iwm_invalidate_mlme_profile(iwm); |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 352 | |
| 353 | return 0; |
| 354 | } |
| 355 | |
| 356 | static int iwm_cfg80211_scan(struct wiphy *wiphy, struct net_device *ndev, |
| 357 | struct cfg80211_scan_request *request) |
| 358 | { |
| 359 | struct iwm_priv *iwm = ndev_to_iwm(ndev); |
| 360 | int ret; |
| 361 | |
| 362 | if (!test_bit(IWM_STATUS_READY, &iwm->status)) { |
| 363 | IWM_ERR(iwm, "Scan while device is not ready\n"); |
| 364 | return -EIO; |
| 365 | } |
| 366 | |
| 367 | if (test_bit(IWM_STATUS_SCANNING, &iwm->status)) { |
| 368 | IWM_ERR(iwm, "Scanning already\n"); |
| 369 | return -EAGAIN; |
| 370 | } |
| 371 | |
| 372 | if (test_bit(IWM_STATUS_SCAN_ABORTING, &iwm->status)) { |
| 373 | IWM_ERR(iwm, "Scanning being aborted\n"); |
| 374 | return -EAGAIN; |
| 375 | } |
| 376 | |
| 377 | set_bit(IWM_STATUS_SCANNING, &iwm->status); |
| 378 | |
| 379 | ret = iwm_scan_ssids(iwm, request->ssids, request->n_ssids); |
| 380 | if (ret) { |
| 381 | clear_bit(IWM_STATUS_SCANNING, &iwm->status); |
| 382 | return ret; |
| 383 | } |
| 384 | |
| 385 | iwm->scan_request = request; |
| 386 | return 0; |
| 387 | } |
| 388 | |
| 389 | static int iwm_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
| 390 | { |
| 391 | struct iwm_priv *iwm = wiphy_to_iwm(wiphy); |
| 392 | |
| 393 | if (changed & WIPHY_PARAM_RTS_THRESHOLD && |
| 394 | (iwm->conf.rts_threshold != wiphy->rts_threshold)) { |
| 395 | int ret; |
| 396 | |
| 397 | iwm->conf.rts_threshold = wiphy->rts_threshold; |
| 398 | |
| 399 | ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX, |
| 400 | CFG_RTS_THRESHOLD, |
| 401 | iwm->conf.rts_threshold); |
| 402 | if (ret < 0) |
| 403 | return ret; |
| 404 | } |
| 405 | |
| 406 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD && |
| 407 | (iwm->conf.frag_threshold != wiphy->frag_threshold)) { |
| 408 | int ret; |
| 409 | |
| 410 | iwm->conf.frag_threshold = wiphy->frag_threshold; |
| 411 | |
Samuel Ortiz | b63b0ea | 2009-05-26 11:10:46 +0800 | [diff] [blame] | 412 | ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_FA_CFG_FIX, |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 413 | CFG_FRAG_THRESHOLD, |
| 414 | iwm->conf.frag_threshold); |
| 415 | if (ret < 0) |
| 416 | return ret; |
| 417 | } |
| 418 | |
| 419 | return 0; |
| 420 | } |
| 421 | |
| 422 | static int iwm_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
| 423 | struct cfg80211_ibss_params *params) |
| 424 | { |
| 425 | struct iwm_priv *iwm = wiphy_to_iwm(wiphy); |
| 426 | struct ieee80211_channel *chan = params->channel; |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 427 | |
| 428 | if (!test_bit(IWM_STATUS_READY, &iwm->status)) |
| 429 | return -EIO; |
| 430 | |
Zhu Yi | 03d1a62 | 2009-10-16 13:18:46 +0800 | [diff] [blame] | 431 | /* UMAC doesn't support creating or joining an IBSS network |
| 432 | * with specified bssid. */ |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 433 | if (params->bssid) |
| 434 | return -EOPNOTSUPP; |
| 435 | |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 436 | iwm->channel = ieee80211_frequency_to_channel(chan->center_freq); |
| 437 | iwm->umac_profile->ibss.band = chan->band; |
| 438 | iwm->umac_profile->ibss.channel = iwm->channel; |
| 439 | iwm->umac_profile->ssid.ssid_len = params->ssid_len; |
| 440 | memcpy(iwm->umac_profile->ssid.ssid, params->ssid, params->ssid_len); |
| 441 | |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 442 | return iwm_send_mlme_profile(iwm); |
| 443 | } |
| 444 | |
| 445 | static int iwm_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) |
| 446 | { |
| 447 | struct iwm_priv *iwm = wiphy_to_iwm(wiphy); |
| 448 | |
| 449 | if (iwm->umac_profile_active) |
| 450 | return iwm_invalidate_mlme_profile(iwm); |
| 451 | |
| 452 | return 0; |
| 453 | } |
| 454 | |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 455 | static int iwm_set_auth_type(struct iwm_priv *iwm, |
| 456 | enum nl80211_auth_type sme_auth_type) |
| 457 | { |
| 458 | u8 *auth_type = &iwm->umac_profile->sec.auth_type; |
| 459 | |
| 460 | switch (sme_auth_type) { |
| 461 | case NL80211_AUTHTYPE_AUTOMATIC: |
| 462 | case NL80211_AUTHTYPE_OPEN_SYSTEM: |
| 463 | IWM_DBG_WEXT(iwm, DBG, "OPEN auth\n"); |
| 464 | *auth_type = UMAC_AUTH_TYPE_OPEN; |
| 465 | break; |
| 466 | case NL80211_AUTHTYPE_SHARED_KEY: |
| 467 | if (iwm->umac_profile->sec.flags & |
| 468 | (UMAC_SEC_FLG_WPA_ON_MSK | UMAC_SEC_FLG_RSNA_ON_MSK)) { |
| 469 | IWM_DBG_WEXT(iwm, DBG, "WPA auth alg\n"); |
| 470 | *auth_type = UMAC_AUTH_TYPE_RSNA_PSK; |
| 471 | } else { |
| 472 | IWM_DBG_WEXT(iwm, DBG, "WEP shared key auth alg\n"); |
| 473 | *auth_type = UMAC_AUTH_TYPE_LEGACY_PSK; |
| 474 | } |
| 475 | |
| 476 | break; |
| 477 | default: |
| 478 | IWM_ERR(iwm, "Unsupported auth alg: 0x%x\n", sme_auth_type); |
| 479 | return -ENOTSUPP; |
| 480 | } |
| 481 | |
| 482 | return 0; |
| 483 | } |
| 484 | |
| 485 | static int iwm_set_wpa_version(struct iwm_priv *iwm, u32 wpa_version) |
| 486 | { |
Zhu Yi | 554503f | 2009-08-03 14:37:01 +0800 | [diff] [blame] | 487 | IWM_DBG_WEXT(iwm, DBG, "wpa_version: %d\n", wpa_version); |
| 488 | |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 489 | if (!wpa_version) { |
| 490 | iwm->umac_profile->sec.flags = UMAC_SEC_FLG_LEGACY_PROFILE; |
| 491 | return 0; |
| 492 | } |
| 493 | |
Samuel Ortiz | 6a79c9f | 2009-10-16 13:18:49 +0800 | [diff] [blame] | 494 | if (wpa_version & NL80211_WPA_VERSION_1) |
| 495 | iwm->umac_profile->sec.flags = UMAC_SEC_FLG_WPA_ON_MSK; |
| 496 | |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 497 | if (wpa_version & NL80211_WPA_VERSION_2) |
| 498 | iwm->umac_profile->sec.flags = UMAC_SEC_FLG_RSNA_ON_MSK; |
| 499 | |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 500 | return 0; |
| 501 | } |
| 502 | |
| 503 | static int iwm_set_cipher(struct iwm_priv *iwm, u32 cipher, bool ucast) |
| 504 | { |
| 505 | u8 *profile_cipher = ucast ? &iwm->umac_profile->sec.ucast_cipher : |
| 506 | &iwm->umac_profile->sec.mcast_cipher; |
| 507 | |
| 508 | if (!cipher) { |
| 509 | *profile_cipher = UMAC_CIPHER_TYPE_NONE; |
| 510 | return 0; |
| 511 | } |
| 512 | |
Zhu Yi | 554503f | 2009-08-03 14:37:01 +0800 | [diff] [blame] | 513 | IWM_DBG_WEXT(iwm, DBG, "%ccast cipher is 0x%x\n", ucast ? 'u' : 'm', |
| 514 | cipher); |
| 515 | |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 516 | switch (cipher) { |
| 517 | case IW_AUTH_CIPHER_NONE: |
| 518 | *profile_cipher = UMAC_CIPHER_TYPE_NONE; |
| 519 | break; |
| 520 | case WLAN_CIPHER_SUITE_WEP40: |
| 521 | *profile_cipher = UMAC_CIPHER_TYPE_WEP_40; |
| 522 | break; |
| 523 | case WLAN_CIPHER_SUITE_WEP104: |
| 524 | *profile_cipher = UMAC_CIPHER_TYPE_WEP_104; |
| 525 | break; |
| 526 | case WLAN_CIPHER_SUITE_TKIP: |
| 527 | *profile_cipher = UMAC_CIPHER_TYPE_TKIP; |
| 528 | break; |
| 529 | case WLAN_CIPHER_SUITE_CCMP: |
| 530 | *profile_cipher = UMAC_CIPHER_TYPE_CCMP; |
| 531 | break; |
| 532 | default: |
| 533 | IWM_ERR(iwm, "Unsupported cipher: 0x%x\n", cipher); |
| 534 | return -ENOTSUPP; |
| 535 | } |
| 536 | |
| 537 | return 0; |
| 538 | } |
| 539 | |
| 540 | static int iwm_set_key_mgt(struct iwm_priv *iwm, u32 key_mgt) |
| 541 | { |
| 542 | u8 *auth_type = &iwm->umac_profile->sec.auth_type; |
| 543 | |
| 544 | IWM_DBG_WEXT(iwm, DBG, "key_mgt: 0x%x\n", key_mgt); |
| 545 | |
| 546 | if (key_mgt == WLAN_AKM_SUITE_8021X) |
| 547 | *auth_type = UMAC_AUTH_TYPE_8021X; |
| 548 | else if (key_mgt == WLAN_AKM_SUITE_PSK) { |
| 549 | if (iwm->umac_profile->sec.flags & |
| 550 | (UMAC_SEC_FLG_WPA_ON_MSK | UMAC_SEC_FLG_RSNA_ON_MSK)) |
| 551 | *auth_type = UMAC_AUTH_TYPE_RSNA_PSK; |
| 552 | else |
| 553 | *auth_type = UMAC_AUTH_TYPE_LEGACY_PSK; |
| 554 | } else { |
| 555 | IWM_ERR(iwm, "Invalid key mgt: 0x%x\n", key_mgt); |
| 556 | return -EINVAL; |
| 557 | } |
| 558 | |
| 559 | return 0; |
| 560 | } |
| 561 | |
| 562 | |
| 563 | static int iwm_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, |
| 564 | struct cfg80211_connect_params *sme) |
| 565 | { |
| 566 | struct iwm_priv *iwm = wiphy_to_iwm(wiphy); |
| 567 | struct ieee80211_channel *chan = sme->channel; |
Samuel Ortiz | b90a5c9 | 2009-09-01 15:13:59 +0200 | [diff] [blame] | 568 | struct key_params key_param; |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 569 | int ret; |
| 570 | |
| 571 | if (!test_bit(IWM_STATUS_READY, &iwm->status)) |
| 572 | return -EIO; |
| 573 | |
| 574 | if (!sme->ssid) |
| 575 | return -EINVAL; |
| 576 | |
Zhu Yi | ae73abf | 2009-09-01 15:13:58 +0200 | [diff] [blame] | 577 | if (iwm->umac_profile_active) { |
| 578 | ret = iwm_invalidate_mlme_profile(iwm); |
| 579 | if (ret) { |
| 580 | IWM_ERR(iwm, "Couldn't invalidate profile\n"); |
| 581 | return ret; |
| 582 | } |
| 583 | } |
| 584 | |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 585 | if (chan) |
| 586 | iwm->channel = |
| 587 | ieee80211_frequency_to_channel(chan->center_freq); |
| 588 | |
| 589 | iwm->umac_profile->ssid.ssid_len = sme->ssid_len; |
| 590 | memcpy(iwm->umac_profile->ssid.ssid, sme->ssid, sme->ssid_len); |
| 591 | |
| 592 | if (sme->bssid) { |
| 593 | IWM_DBG_WEXT(iwm, DBG, "BSSID: %pM\n", sme->bssid); |
| 594 | memcpy(&iwm->umac_profile->bssid[0], sme->bssid, ETH_ALEN); |
| 595 | iwm->umac_profile->bss_num = 1; |
| 596 | } else { |
| 597 | memset(&iwm->umac_profile->bssid[0], 0, ETH_ALEN); |
| 598 | iwm->umac_profile->bss_num = 0; |
| 599 | } |
| 600 | |
Zhu Yi | 554503f | 2009-08-03 14:37:01 +0800 | [diff] [blame] | 601 | ret = iwm_set_wpa_version(iwm, sme->crypto.wpa_versions); |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 602 | if (ret < 0) |
| 603 | return ret; |
| 604 | |
Zhu Yi | 554503f | 2009-08-03 14:37:01 +0800 | [diff] [blame] | 605 | ret = iwm_set_auth_type(iwm, sme->auth_type); |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 606 | if (ret < 0) |
| 607 | return ret; |
| 608 | |
| 609 | if (sme->crypto.n_ciphers_pairwise) { |
| 610 | ret = iwm_set_cipher(iwm, sme->crypto.ciphers_pairwise[0], |
| 611 | true); |
| 612 | if (ret < 0) |
| 613 | return ret; |
| 614 | } |
| 615 | |
| 616 | ret = iwm_set_cipher(iwm, sme->crypto.cipher_group, false); |
| 617 | if (ret < 0) |
| 618 | return ret; |
| 619 | |
| 620 | if (sme->crypto.n_akm_suites) { |
| 621 | ret = iwm_set_key_mgt(iwm, sme->crypto.akm_suites[0]); |
| 622 | if (ret < 0) |
| 623 | return ret; |
| 624 | } |
| 625 | |
Samuel Ortiz | b90a5c9 | 2009-09-01 15:13:59 +0200 | [diff] [blame] | 626 | /* |
| 627 | * We save the WEP key in case we want to do shared authentication. |
| 628 | * We have to do it so because UMAC will assert whenever it gets a |
| 629 | * key before a profile. |
| 630 | */ |
| 631 | if (sme->key) { |
| 632 | key_param.key = kmemdup(sme->key, sme->key_len, GFP_KERNEL); |
| 633 | if (key_param.key == NULL) |
| 634 | return -ENOMEM; |
| 635 | key_param.key_len = sme->key_len; |
| 636 | key_param.seq_len = 0; |
| 637 | key_param.cipher = sme->crypto.ciphers_pairwise[0]; |
| 638 | |
| 639 | ret = iwm_key_init(&iwm->keys[sme->key_idx], sme->key_idx, |
| 640 | NULL, &key_param); |
| 641 | kfree(key_param.key); |
| 642 | if (ret < 0) { |
| 643 | IWM_ERR(iwm, "Invalid key_params\n"); |
| 644 | return ret; |
| 645 | } |
| 646 | |
| 647 | iwm->default_key = sme->key_idx; |
| 648 | } |
| 649 | |
Samuel Ortiz | a82aedb | 2009-10-16 13:18:47 +0800 | [diff] [blame] | 650 | /* WPA and open AUTH type from wpa_s means WPS (a.k.a. WSC) */ |
| 651 | if ((iwm->umac_profile->sec.flags & |
| 652 | (UMAC_SEC_FLG_WPA_ON_MSK | UMAC_SEC_FLG_RSNA_ON_MSK)) && |
| 653 | iwm->umac_profile->sec.auth_type == UMAC_AUTH_TYPE_OPEN) { |
| 654 | iwm->umac_profile->sec.flags = UMAC_SEC_FLG_WSC_ON_MSK; |
| 655 | } |
| 656 | |
Samuel Ortiz | b90a5c9 | 2009-09-01 15:13:59 +0200 | [diff] [blame] | 657 | ret = iwm_send_mlme_profile(iwm); |
| 658 | |
| 659 | if (iwm->umac_profile->sec.auth_type != UMAC_AUTH_TYPE_LEGACY_PSK || |
| 660 | sme->key == NULL) |
| 661 | return ret; |
| 662 | |
| 663 | /* |
| 664 | * We want to do shared auth. |
| 665 | * We need to actually set the key we previously cached, |
| 666 | * and then tell the UMAC it's the default one. |
| 667 | * That will trigger the auth+assoc UMAC machinery, and again, |
| 668 | * this must be done after setting the profile. |
| 669 | */ |
| 670 | ret = iwm_set_key(iwm, 0, &iwm->keys[sme->key_idx]); |
| 671 | if (ret < 0) |
| 672 | return ret; |
| 673 | |
| 674 | return iwm_set_tx_key(iwm, iwm->default_key); |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 675 | } |
| 676 | |
| 677 | static int iwm_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, |
| 678 | u16 reason_code) |
| 679 | { |
| 680 | struct iwm_priv *iwm = wiphy_to_iwm(wiphy); |
| 681 | |
| 682 | IWM_DBG_WEXT(iwm, DBG, "Active: %d\n", iwm->umac_profile_active); |
| 683 | |
| 684 | if (iwm->umac_profile_active) |
Zhu Yi | de15fd3 | 2009-09-01 15:14:01 +0200 | [diff] [blame] | 685 | iwm_invalidate_mlme_profile(iwm); |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 686 | |
| 687 | return 0; |
| 688 | } |
| 689 | |
Zhu Yi | 257862f | 2009-06-15 21:59:56 +0200 | [diff] [blame] | 690 | static int iwm_cfg80211_set_txpower(struct wiphy *wiphy, |
Juuso Oikarinen | fa61cf7 | 2010-06-23 12:12:37 +0300 | [diff] [blame] | 691 | enum nl80211_tx_power_setting type, int mbm) |
Zhu Yi | 257862f | 2009-06-15 21:59:56 +0200 | [diff] [blame] | 692 | { |
Samuel Ortiz | 88e6195 | 2009-10-16 13:18:53 +0800 | [diff] [blame] | 693 | struct iwm_priv *iwm = wiphy_to_iwm(wiphy); |
| 694 | int ret; |
| 695 | |
Zhu Yi | 257862f | 2009-06-15 21:59:56 +0200 | [diff] [blame] | 696 | switch (type) { |
Juuso Oikarinen | fa61cf7 | 2010-06-23 12:12:37 +0300 | [diff] [blame] | 697 | case NL80211_TX_POWER_AUTOMATIC: |
Zhu Yi | 257862f | 2009-06-15 21:59:56 +0200 | [diff] [blame] | 698 | return 0; |
Juuso Oikarinen | fa61cf7 | 2010-06-23 12:12:37 +0300 | [diff] [blame] | 699 | case NL80211_TX_POWER_FIXED: |
| 700 | if (mbm < 0 || (mbm % 100)) |
| 701 | return -EOPNOTSUPP; |
| 702 | |
Samuel Ortiz | fe19176 | 2009-11-24 11:33:28 +0800 | [diff] [blame] | 703 | if (!test_bit(IWM_STATUS_READY, &iwm->status)) |
| 704 | return 0; |
| 705 | |
Samuel Ortiz | 88e6195 | 2009-10-16 13:18:53 +0800 | [diff] [blame] | 706 | ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX, |
Juuso Oikarinen | fa61cf7 | 2010-06-23 12:12:37 +0300 | [diff] [blame] | 707 | CFG_TX_PWR_LIMIT_USR, |
| 708 | MBM_TO_DBM(mbm) * 2); |
Samuel Ortiz | 88e6195 | 2009-10-16 13:18:53 +0800 | [diff] [blame] | 709 | if (ret < 0) |
| 710 | return ret; |
| 711 | |
| 712 | return iwm_tx_power_trigger(iwm); |
Zhu Yi | 257862f | 2009-06-15 21:59:56 +0200 | [diff] [blame] | 713 | default: |
Samuel Ortiz | fe19176 | 2009-11-24 11:33:28 +0800 | [diff] [blame] | 714 | IWM_ERR(iwm, "Unsupported power type: %d\n", type); |
Zhu Yi | 257862f | 2009-06-15 21:59:56 +0200 | [diff] [blame] | 715 | return -EOPNOTSUPP; |
| 716 | } |
| 717 | |
| 718 | return 0; |
| 719 | } |
| 720 | |
| 721 | static int iwm_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm) |
| 722 | { |
| 723 | struct iwm_priv *iwm = wiphy_to_iwm(wiphy); |
| 724 | |
Samuel Ortiz | 88e6195 | 2009-10-16 13:18:53 +0800 | [diff] [blame] | 725 | *dbm = iwm->txpower >> 1; |
Zhu Yi | 257862f | 2009-06-15 21:59:56 +0200 | [diff] [blame] | 726 | |
| 727 | return 0; |
| 728 | } |
| 729 | |
Johannes Berg | bc92afd | 2009-07-01 21:26:57 +0200 | [diff] [blame] | 730 | static int iwm_cfg80211_set_power_mgmt(struct wiphy *wiphy, |
| 731 | struct net_device *dev, |
| 732 | bool enabled, int timeout) |
| 733 | { |
| 734 | struct iwm_priv *iwm = wiphy_to_iwm(wiphy); |
| 735 | u32 power_index; |
| 736 | |
| 737 | if (enabled) |
| 738 | power_index = IWM_POWER_INDEX_DEFAULT; |
| 739 | else |
| 740 | power_index = IWM_POWER_INDEX_MIN; |
| 741 | |
| 742 | if (power_index == iwm->conf.power_index) |
| 743 | return 0; |
| 744 | |
| 745 | iwm->conf.power_index = power_index; |
| 746 | |
| 747 | return iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX, |
| 748 | CFG_POWER_INDEX, iwm->conf.power_index); |
| 749 | } |
| 750 | |
Zhu Yi | d281fd4 | 2010-02-25 14:15:30 +0800 | [diff] [blame] | 751 | static int iwm_cfg80211_set_pmksa(struct wiphy *wiphy, |
| 752 | struct net_device *netdev, |
| 753 | struct cfg80211_pmksa *pmksa) |
Samuel Ortiz | 9bf22f2 | 2009-11-25 00:02:26 +0100 | [diff] [blame] | 754 | { |
| 755 | struct iwm_priv *iwm = wiphy_to_iwm(wiphy); |
| 756 | |
| 757 | return iwm_send_pmkid_update(iwm, pmksa, IWM_CMD_PMKID_ADD); |
| 758 | } |
| 759 | |
Zhu Yi | d281fd4 | 2010-02-25 14:15:30 +0800 | [diff] [blame] | 760 | static int iwm_cfg80211_del_pmksa(struct wiphy *wiphy, |
| 761 | struct net_device *netdev, |
| 762 | struct cfg80211_pmksa *pmksa) |
Samuel Ortiz | 9bf22f2 | 2009-11-25 00:02:26 +0100 | [diff] [blame] | 763 | { |
| 764 | struct iwm_priv *iwm = wiphy_to_iwm(wiphy); |
| 765 | |
| 766 | return iwm_send_pmkid_update(iwm, pmksa, IWM_CMD_PMKID_DEL); |
| 767 | } |
| 768 | |
Zhu Yi | d281fd4 | 2010-02-25 14:15:30 +0800 | [diff] [blame] | 769 | static int iwm_cfg80211_flush_pmksa(struct wiphy *wiphy, |
| 770 | struct net_device *netdev) |
Samuel Ortiz | 9bf22f2 | 2009-11-25 00:02:26 +0100 | [diff] [blame] | 771 | { |
| 772 | struct iwm_priv *iwm = wiphy_to_iwm(wiphy); |
| 773 | struct cfg80211_pmksa pmksa; |
| 774 | |
| 775 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); |
| 776 | |
| 777 | return iwm_send_pmkid_update(iwm, &pmksa, IWM_CMD_PMKID_FLUSH); |
| 778 | } |
| 779 | |
| 780 | |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 781 | static struct cfg80211_ops iwm_cfg80211_ops = { |
| 782 | .change_virtual_intf = iwm_cfg80211_change_iface, |
Samuel Ortiz | 13e0fe7 | 2009-06-15 21:59:52 +0200 | [diff] [blame] | 783 | .add_key = iwm_cfg80211_add_key, |
| 784 | .get_key = iwm_cfg80211_get_key, |
| 785 | .del_key = iwm_cfg80211_del_key, |
| 786 | .set_default_key = iwm_cfg80211_set_default_key, |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 787 | .get_station = iwm_cfg80211_get_station, |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 788 | .scan = iwm_cfg80211_scan, |
| 789 | .set_wiphy_params = iwm_cfg80211_set_wiphy_params, |
Samuel Ortiz | 9967d46 | 2009-07-16 17:34:10 +0800 | [diff] [blame] | 790 | .connect = iwm_cfg80211_connect, |
| 791 | .disconnect = iwm_cfg80211_disconnect, |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 792 | .join_ibss = iwm_cfg80211_join_ibss, |
| 793 | .leave_ibss = iwm_cfg80211_leave_ibss, |
Zhu Yi | 257862f | 2009-06-15 21:59:56 +0200 | [diff] [blame] | 794 | .set_tx_power = iwm_cfg80211_set_txpower, |
| 795 | .get_tx_power = iwm_cfg80211_get_txpower, |
Johannes Berg | bc92afd | 2009-07-01 21:26:57 +0200 | [diff] [blame] | 796 | .set_power_mgmt = iwm_cfg80211_set_power_mgmt, |
Samuel Ortiz | 9bf22f2 | 2009-11-25 00:02:26 +0100 | [diff] [blame] | 797 | .set_pmksa = iwm_cfg80211_set_pmksa, |
| 798 | .del_pmksa = iwm_cfg80211_del_pmksa, |
| 799 | .flush_pmksa = iwm_cfg80211_flush_pmksa, |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 800 | }; |
| 801 | |
Zhu Yi | 49b7772 | 2009-07-16 17:34:08 +0800 | [diff] [blame] | 802 | static const u32 cipher_suites[] = { |
| 803 | WLAN_CIPHER_SUITE_WEP40, |
| 804 | WLAN_CIPHER_SUITE_WEP104, |
| 805 | WLAN_CIPHER_SUITE_TKIP, |
| 806 | WLAN_CIPHER_SUITE_CCMP, |
| 807 | }; |
| 808 | |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 809 | struct wireless_dev *iwm_wdev_alloc(int sizeof_bus, struct device *dev) |
| 810 | { |
| 811 | int ret = 0; |
| 812 | struct wireless_dev *wdev; |
| 813 | |
| 814 | /* |
| 815 | * We're trying to have the following memory |
| 816 | * layout: |
| 817 | * |
| 818 | * +-------------------------+ |
| 819 | * | struct wiphy | |
| 820 | * +-------------------------+ |
| 821 | * | struct iwm_priv | |
| 822 | * +-------------------------+ |
| 823 | * | bus private data | |
| 824 | * | (e.g. iwm_priv_sdio) | |
| 825 | * +-------------------------+ |
| 826 | * |
| 827 | */ |
| 828 | |
| 829 | wdev = kzalloc(sizeof(struct wireless_dev), GFP_KERNEL); |
| 830 | if (!wdev) { |
| 831 | dev_err(dev, "Couldn't allocate wireless device\n"); |
| 832 | return ERR_PTR(-ENOMEM); |
| 833 | } |
| 834 | |
| 835 | wdev->wiphy = wiphy_new(&iwm_cfg80211_ops, |
| 836 | sizeof(struct iwm_priv) + sizeof_bus); |
| 837 | if (!wdev->wiphy) { |
| 838 | dev_err(dev, "Couldn't allocate wiphy device\n"); |
| 839 | ret = -ENOMEM; |
| 840 | goto out_err_new; |
| 841 | } |
| 842 | |
| 843 | set_wiphy_dev(wdev->wiphy, dev); |
| 844 | wdev->wiphy->max_scan_ssids = UMAC_WIFI_IF_PROBE_OPTION_MAX; |
Samuel Ortiz | 9bf22f2 | 2009-11-25 00:02:26 +0100 | [diff] [blame] | 845 | wdev->wiphy->max_num_pmkids = UMAC_MAX_NUM_PMKIDS; |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 846 | wdev->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
| 847 | BIT(NL80211_IFTYPE_ADHOC); |
| 848 | wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &iwm_band_2ghz; |
| 849 | wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &iwm_band_5ghz; |
| 850 | wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; |
| 851 | |
Zhu Yi | 49b7772 | 2009-07-16 17:34:08 +0800 | [diff] [blame] | 852 | wdev->wiphy->cipher_suites = cipher_suites; |
| 853 | wdev->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites); |
| 854 | |
Zhu Yi | bb9f869 | 2009-05-21 21:20:45 +0800 | [diff] [blame] | 855 | ret = wiphy_register(wdev->wiphy); |
| 856 | if (ret < 0) { |
| 857 | dev_err(dev, "Couldn't register wiphy device\n"); |
| 858 | goto out_err_register; |
| 859 | } |
| 860 | |
| 861 | return wdev; |
| 862 | |
| 863 | out_err_register: |
| 864 | wiphy_free(wdev->wiphy); |
| 865 | |
| 866 | out_err_new: |
| 867 | kfree(wdev); |
| 868 | |
| 869 | return ERR_PTR(ret); |
| 870 | } |
| 871 | |
| 872 | void iwm_wdev_free(struct iwm_priv *iwm) |
| 873 | { |
| 874 | struct wireless_dev *wdev = iwm_to_wdev(iwm); |
| 875 | |
| 876 | if (!wdev) |
| 877 | return; |
| 878 | |
| 879 | wiphy_unregister(wdev->wiphy); |
| 880 | wiphy_free(wdev->wiphy); |
| 881 | kfree(wdev); |
| 882 | } |