Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2010 Broadcom Corporation |
| 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| 13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
| 16 | |
| 17 | /* Toplevel file. Relies on dhd_linux.c to send commands to the dongle. */ |
| 18 | |
Joe Perches | 02f7719 | 2012-01-15 00:38:44 -0800 | [diff] [blame] | 19 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 20 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 21 | #include <linux/kernel.h> |
| 22 | #include <linux/if_arp.h> |
| 23 | #include <linux/sched.h> |
| 24 | #include <linux/kthread.h> |
| 25 | #include <linux/netdevice.h> |
| 26 | #include <linux/bitops.h> |
| 27 | #include <linux/etherdevice.h> |
| 28 | #include <linux/ieee80211.h> |
| 29 | #include <linux/uaccess.h> |
| 30 | #include <net/cfg80211.h> |
Arend van Spriel | cbaa177 | 2012-08-30 19:43:02 +0200 | [diff] [blame] | 31 | #include <net/netlink.h> |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 32 | |
| 33 | #include <brcmu_utils.h> |
| 34 | #include <defs.h> |
| 35 | #include <brcmu_wifi.h> |
| 36 | #include "dhd.h" |
| 37 | #include "wl_cfg80211.h" |
| 38 | |
| 39 | #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \ |
| 40 | (sizeof(struct brcmf_assoc_params_le) - sizeof(u16)) |
| 41 | |
| 42 | static const u8 ether_bcast[ETH_ALEN] = {255, 255, 255, 255, 255, 255}; |
| 43 | |
| 44 | static u32 brcmf_dbg_level = WL_DBG_ERR; |
| 45 | |
| 46 | static void brcmf_set_drvdata(struct brcmf_cfg80211_dev *dev, void *data) |
| 47 | { |
| 48 | dev->driver_data = data; |
| 49 | } |
| 50 | |
| 51 | static void *brcmf_get_drvdata(struct brcmf_cfg80211_dev *dev) |
| 52 | { |
| 53 | void *data = NULL; |
| 54 | |
| 55 | if (dev) |
| 56 | data = dev->driver_data; |
| 57 | return data; |
| 58 | } |
| 59 | |
| 60 | static |
| 61 | struct brcmf_cfg80211_priv *brcmf_priv_get(struct brcmf_cfg80211_dev *cfg_dev) |
| 62 | { |
| 63 | struct brcmf_cfg80211_iface *ci = brcmf_get_drvdata(cfg_dev); |
| 64 | return ci->cfg_priv; |
| 65 | } |
| 66 | |
| 67 | static bool check_sys_up(struct wiphy *wiphy) |
| 68 | { |
| 69 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 70 | if (!test_bit(WL_STATUS_READY, &cfg_priv->status)) { |
| 71 | WL_INFO("device is not ready : status (%d)\n", |
| 72 | (int)cfg_priv->status); |
| 73 | return false; |
| 74 | } |
| 75 | return true; |
| 76 | } |
| 77 | |
| 78 | #define CHAN2G(_channel, _freq, _flags) { \ |
| 79 | .band = IEEE80211_BAND_2GHZ, \ |
| 80 | .center_freq = (_freq), \ |
| 81 | .hw_value = (_channel), \ |
| 82 | .flags = (_flags), \ |
| 83 | .max_antenna_gain = 0, \ |
| 84 | .max_power = 30, \ |
| 85 | } |
| 86 | |
| 87 | #define CHAN5G(_channel, _flags) { \ |
| 88 | .band = IEEE80211_BAND_5GHZ, \ |
| 89 | .center_freq = 5000 + (5 * (_channel)), \ |
| 90 | .hw_value = (_channel), \ |
| 91 | .flags = (_flags), \ |
| 92 | .max_antenna_gain = 0, \ |
| 93 | .max_power = 30, \ |
| 94 | } |
| 95 | |
| 96 | #define RATE_TO_BASE100KBPS(rate) (((rate) * 10) / 2) |
| 97 | #define RATETAB_ENT(_rateid, _flags) \ |
| 98 | { \ |
| 99 | .bitrate = RATE_TO_BASE100KBPS(_rateid), \ |
| 100 | .hw_value = (_rateid), \ |
| 101 | .flags = (_flags), \ |
| 102 | } |
| 103 | |
| 104 | static struct ieee80211_rate __wl_rates[] = { |
| 105 | RATETAB_ENT(BRCM_RATE_1M, 0), |
| 106 | RATETAB_ENT(BRCM_RATE_2M, IEEE80211_RATE_SHORT_PREAMBLE), |
| 107 | RATETAB_ENT(BRCM_RATE_5M5, IEEE80211_RATE_SHORT_PREAMBLE), |
| 108 | RATETAB_ENT(BRCM_RATE_11M, IEEE80211_RATE_SHORT_PREAMBLE), |
| 109 | RATETAB_ENT(BRCM_RATE_6M, 0), |
| 110 | RATETAB_ENT(BRCM_RATE_9M, 0), |
| 111 | RATETAB_ENT(BRCM_RATE_12M, 0), |
| 112 | RATETAB_ENT(BRCM_RATE_18M, 0), |
| 113 | RATETAB_ENT(BRCM_RATE_24M, 0), |
| 114 | RATETAB_ENT(BRCM_RATE_36M, 0), |
| 115 | RATETAB_ENT(BRCM_RATE_48M, 0), |
| 116 | RATETAB_ENT(BRCM_RATE_54M, 0), |
| 117 | }; |
| 118 | |
| 119 | #define wl_a_rates (__wl_rates + 4) |
| 120 | #define wl_a_rates_size 8 |
| 121 | #define wl_g_rates (__wl_rates + 0) |
| 122 | #define wl_g_rates_size 12 |
| 123 | |
| 124 | static struct ieee80211_channel __wl_2ghz_channels[] = { |
| 125 | CHAN2G(1, 2412, 0), |
| 126 | CHAN2G(2, 2417, 0), |
| 127 | CHAN2G(3, 2422, 0), |
| 128 | CHAN2G(4, 2427, 0), |
| 129 | CHAN2G(5, 2432, 0), |
| 130 | CHAN2G(6, 2437, 0), |
| 131 | CHAN2G(7, 2442, 0), |
| 132 | CHAN2G(8, 2447, 0), |
| 133 | CHAN2G(9, 2452, 0), |
| 134 | CHAN2G(10, 2457, 0), |
| 135 | CHAN2G(11, 2462, 0), |
| 136 | CHAN2G(12, 2467, 0), |
| 137 | CHAN2G(13, 2472, 0), |
| 138 | CHAN2G(14, 2484, 0), |
| 139 | }; |
| 140 | |
| 141 | static struct ieee80211_channel __wl_5ghz_a_channels[] = { |
| 142 | CHAN5G(34, 0), CHAN5G(36, 0), |
| 143 | CHAN5G(38, 0), CHAN5G(40, 0), |
| 144 | CHAN5G(42, 0), CHAN5G(44, 0), |
| 145 | CHAN5G(46, 0), CHAN5G(48, 0), |
| 146 | CHAN5G(52, 0), CHAN5G(56, 0), |
| 147 | CHAN5G(60, 0), CHAN5G(64, 0), |
| 148 | CHAN5G(100, 0), CHAN5G(104, 0), |
| 149 | CHAN5G(108, 0), CHAN5G(112, 0), |
| 150 | CHAN5G(116, 0), CHAN5G(120, 0), |
| 151 | CHAN5G(124, 0), CHAN5G(128, 0), |
| 152 | CHAN5G(132, 0), CHAN5G(136, 0), |
| 153 | CHAN5G(140, 0), CHAN5G(149, 0), |
| 154 | CHAN5G(153, 0), CHAN5G(157, 0), |
| 155 | CHAN5G(161, 0), CHAN5G(165, 0), |
| 156 | CHAN5G(184, 0), CHAN5G(188, 0), |
| 157 | CHAN5G(192, 0), CHAN5G(196, 0), |
| 158 | CHAN5G(200, 0), CHAN5G(204, 0), |
| 159 | CHAN5G(208, 0), CHAN5G(212, 0), |
| 160 | CHAN5G(216, 0), |
| 161 | }; |
| 162 | |
| 163 | static struct ieee80211_channel __wl_5ghz_n_channels[] = { |
| 164 | CHAN5G(32, 0), CHAN5G(34, 0), |
| 165 | CHAN5G(36, 0), CHAN5G(38, 0), |
| 166 | CHAN5G(40, 0), CHAN5G(42, 0), |
| 167 | CHAN5G(44, 0), CHAN5G(46, 0), |
| 168 | CHAN5G(48, 0), CHAN5G(50, 0), |
| 169 | CHAN5G(52, 0), CHAN5G(54, 0), |
| 170 | CHAN5G(56, 0), CHAN5G(58, 0), |
| 171 | CHAN5G(60, 0), CHAN5G(62, 0), |
| 172 | CHAN5G(64, 0), CHAN5G(66, 0), |
| 173 | CHAN5G(68, 0), CHAN5G(70, 0), |
| 174 | CHAN5G(72, 0), CHAN5G(74, 0), |
| 175 | CHAN5G(76, 0), CHAN5G(78, 0), |
| 176 | CHAN5G(80, 0), CHAN5G(82, 0), |
| 177 | CHAN5G(84, 0), CHAN5G(86, 0), |
| 178 | CHAN5G(88, 0), CHAN5G(90, 0), |
| 179 | CHAN5G(92, 0), CHAN5G(94, 0), |
| 180 | CHAN5G(96, 0), CHAN5G(98, 0), |
| 181 | CHAN5G(100, 0), CHAN5G(102, 0), |
| 182 | CHAN5G(104, 0), CHAN5G(106, 0), |
| 183 | CHAN5G(108, 0), CHAN5G(110, 0), |
| 184 | CHAN5G(112, 0), CHAN5G(114, 0), |
| 185 | CHAN5G(116, 0), CHAN5G(118, 0), |
| 186 | CHAN5G(120, 0), CHAN5G(122, 0), |
| 187 | CHAN5G(124, 0), CHAN5G(126, 0), |
| 188 | CHAN5G(128, 0), CHAN5G(130, 0), |
| 189 | CHAN5G(132, 0), CHAN5G(134, 0), |
| 190 | CHAN5G(136, 0), CHAN5G(138, 0), |
| 191 | CHAN5G(140, 0), CHAN5G(142, 0), |
| 192 | CHAN5G(144, 0), CHAN5G(145, 0), |
| 193 | CHAN5G(146, 0), CHAN5G(147, 0), |
| 194 | CHAN5G(148, 0), CHAN5G(149, 0), |
| 195 | CHAN5G(150, 0), CHAN5G(151, 0), |
| 196 | CHAN5G(152, 0), CHAN5G(153, 0), |
| 197 | CHAN5G(154, 0), CHAN5G(155, 0), |
| 198 | CHAN5G(156, 0), CHAN5G(157, 0), |
| 199 | CHAN5G(158, 0), CHAN5G(159, 0), |
| 200 | CHAN5G(160, 0), CHAN5G(161, 0), |
| 201 | CHAN5G(162, 0), CHAN5G(163, 0), |
| 202 | CHAN5G(164, 0), CHAN5G(165, 0), |
| 203 | CHAN5G(166, 0), CHAN5G(168, 0), |
| 204 | CHAN5G(170, 0), CHAN5G(172, 0), |
| 205 | CHAN5G(174, 0), CHAN5G(176, 0), |
| 206 | CHAN5G(178, 0), CHAN5G(180, 0), |
| 207 | CHAN5G(182, 0), CHAN5G(184, 0), |
| 208 | CHAN5G(186, 0), CHAN5G(188, 0), |
| 209 | CHAN5G(190, 0), CHAN5G(192, 0), |
| 210 | CHAN5G(194, 0), CHAN5G(196, 0), |
| 211 | CHAN5G(198, 0), CHAN5G(200, 0), |
| 212 | CHAN5G(202, 0), CHAN5G(204, 0), |
| 213 | CHAN5G(206, 0), CHAN5G(208, 0), |
| 214 | CHAN5G(210, 0), CHAN5G(212, 0), |
| 215 | CHAN5G(214, 0), CHAN5G(216, 0), |
| 216 | CHAN5G(218, 0), CHAN5G(220, 0), |
| 217 | CHAN5G(222, 0), CHAN5G(224, 0), |
| 218 | CHAN5G(226, 0), CHAN5G(228, 0), |
| 219 | }; |
| 220 | |
| 221 | static struct ieee80211_supported_band __wl_band_2ghz = { |
| 222 | .band = IEEE80211_BAND_2GHZ, |
| 223 | .channels = __wl_2ghz_channels, |
| 224 | .n_channels = ARRAY_SIZE(__wl_2ghz_channels), |
| 225 | .bitrates = wl_g_rates, |
| 226 | .n_bitrates = wl_g_rates_size, |
| 227 | }; |
| 228 | |
| 229 | static struct ieee80211_supported_band __wl_band_5ghz_a = { |
| 230 | .band = IEEE80211_BAND_5GHZ, |
| 231 | .channels = __wl_5ghz_a_channels, |
| 232 | .n_channels = ARRAY_SIZE(__wl_5ghz_a_channels), |
| 233 | .bitrates = wl_a_rates, |
| 234 | .n_bitrates = wl_a_rates_size, |
| 235 | }; |
| 236 | |
| 237 | static struct ieee80211_supported_band __wl_band_5ghz_n = { |
| 238 | .band = IEEE80211_BAND_5GHZ, |
| 239 | .channels = __wl_5ghz_n_channels, |
| 240 | .n_channels = ARRAY_SIZE(__wl_5ghz_n_channels), |
| 241 | .bitrates = wl_a_rates, |
| 242 | .n_bitrates = wl_a_rates_size, |
| 243 | }; |
| 244 | |
| 245 | static const u32 __wl_cipher_suites[] = { |
| 246 | WLAN_CIPHER_SUITE_WEP40, |
| 247 | WLAN_CIPHER_SUITE_WEP104, |
| 248 | WLAN_CIPHER_SUITE_TKIP, |
| 249 | WLAN_CIPHER_SUITE_CCMP, |
| 250 | WLAN_CIPHER_SUITE_AES_CMAC, |
| 251 | }; |
| 252 | |
Alwin Beukers | f8e4b41 | 2011-10-12 20:51:28 +0200 | [diff] [blame] | 253 | /* tag_ID/length/value_buffer tuple */ |
| 254 | struct brcmf_tlv { |
| 255 | u8 id; |
| 256 | u8 len; |
| 257 | u8 data[1]; |
| 258 | }; |
| 259 | |
Alwin Beukers | ef6ac17 | 2011-10-12 20:51:26 +0200 | [diff] [blame] | 260 | /* Quarter dBm units to mW |
| 261 | * Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153 |
| 262 | * Table is offset so the last entry is largest mW value that fits in |
| 263 | * a u16. |
| 264 | */ |
| 265 | |
| 266 | #define QDBM_OFFSET 153 /* Offset for first entry */ |
| 267 | #define QDBM_TABLE_LEN 40 /* Table size */ |
| 268 | |
| 269 | /* Smallest mW value that will round up to the first table entry, QDBM_OFFSET. |
| 270 | * Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2 |
| 271 | */ |
| 272 | #define QDBM_TABLE_LOW_BOUND 6493 /* Low bound */ |
| 273 | |
| 274 | /* Largest mW value that will round down to the last table entry, |
| 275 | * QDBM_OFFSET + QDBM_TABLE_LEN-1. |
| 276 | * Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) + |
| 277 | * mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2. |
| 278 | */ |
| 279 | #define QDBM_TABLE_HIGH_BOUND 64938 /* High bound */ |
| 280 | |
| 281 | static const u16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = { |
| 282 | /* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */ |
| 283 | /* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000, |
| 284 | /* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849, |
| 285 | /* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119, |
| 286 | /* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811, |
| 287 | /* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096 |
| 288 | }; |
| 289 | |
| 290 | static u16 brcmf_qdbm_to_mw(u8 qdbm) |
| 291 | { |
| 292 | uint factor = 1; |
| 293 | int idx = qdbm - QDBM_OFFSET; |
| 294 | |
| 295 | if (idx >= QDBM_TABLE_LEN) |
| 296 | /* clamp to max u16 mW value */ |
| 297 | return 0xFFFF; |
| 298 | |
| 299 | /* scale the qdBm index up to the range of the table 0-40 |
| 300 | * where an offset of 40 qdBm equals a factor of 10 mW. |
| 301 | */ |
| 302 | while (idx < 0) { |
| 303 | idx += 40; |
| 304 | factor *= 10; |
| 305 | } |
| 306 | |
| 307 | /* return the mW value scaled down to the correct factor of 10, |
| 308 | * adding in factor/2 to get proper rounding. |
| 309 | */ |
| 310 | return (nqdBm_to_mW_map[idx] + factor / 2) / factor; |
| 311 | } |
| 312 | |
| 313 | static u8 brcmf_mw_to_qdbm(u16 mw) |
| 314 | { |
| 315 | u8 qdbm; |
| 316 | int offset; |
| 317 | uint mw_uint = mw; |
| 318 | uint boundary; |
| 319 | |
| 320 | /* handle boundary case */ |
| 321 | if (mw_uint <= 1) |
| 322 | return 0; |
| 323 | |
| 324 | offset = QDBM_OFFSET; |
| 325 | |
| 326 | /* move mw into the range of the table */ |
| 327 | while (mw_uint < QDBM_TABLE_LOW_BOUND) { |
| 328 | mw_uint *= 10; |
| 329 | offset -= 40; |
| 330 | } |
| 331 | |
| 332 | for (qdbm = 0; qdbm < QDBM_TABLE_LEN - 1; qdbm++) { |
| 333 | boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm + 1] - |
| 334 | nqdBm_to_mW_map[qdbm]) / 2; |
| 335 | if (mw_uint < boundary) |
| 336 | break; |
| 337 | } |
| 338 | |
| 339 | qdbm += (u8) offset; |
| 340 | |
| 341 | return qdbm; |
| 342 | } |
| 343 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 344 | /* function for reading/writing a single u32 from/to the dongle */ |
| 345 | static int |
| 346 | brcmf_exec_dcmd_u32(struct net_device *ndev, u32 cmd, u32 *par) |
| 347 | { |
| 348 | int err; |
| 349 | __le32 par_le = cpu_to_le32(*par); |
| 350 | |
| 351 | err = brcmf_exec_dcmd(ndev, cmd, &par_le, sizeof(__le32)); |
| 352 | *par = le32_to_cpu(par_le); |
| 353 | |
| 354 | return err; |
| 355 | } |
| 356 | |
| 357 | static void convert_key_from_CPU(struct brcmf_wsec_key *key, |
| 358 | struct brcmf_wsec_key_le *key_le) |
| 359 | { |
| 360 | key_le->index = cpu_to_le32(key->index); |
| 361 | key_le->len = cpu_to_le32(key->len); |
| 362 | key_le->algo = cpu_to_le32(key->algo); |
| 363 | key_le->flags = cpu_to_le32(key->flags); |
| 364 | key_le->rxiv.hi = cpu_to_le32(key->rxiv.hi); |
| 365 | key_le->rxiv.lo = cpu_to_le16(key->rxiv.lo); |
| 366 | key_le->iv_initialized = cpu_to_le32(key->iv_initialized); |
| 367 | memcpy(key_le->data, key->data, sizeof(key->data)); |
| 368 | memcpy(key_le->ea, key->ea, sizeof(key->ea)); |
| 369 | } |
| 370 | |
| 371 | static int send_key_to_dongle(struct net_device *ndev, |
| 372 | struct brcmf_wsec_key *key) |
| 373 | { |
| 374 | int err; |
| 375 | struct brcmf_wsec_key_le key_le; |
| 376 | |
| 377 | convert_key_from_CPU(key, &key_le); |
| 378 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_KEY, &key_le, sizeof(key_le)); |
| 379 | if (err) |
| 380 | WL_ERR("WLC_SET_KEY error (%d)\n", err); |
| 381 | return err; |
| 382 | } |
| 383 | |
| 384 | static s32 |
| 385 | brcmf_cfg80211_change_iface(struct wiphy *wiphy, struct net_device *ndev, |
| 386 | enum nl80211_iftype type, u32 *flags, |
| 387 | struct vif_params *params) |
| 388 | { |
| 389 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 390 | struct wireless_dev *wdev; |
| 391 | s32 infra = 0; |
| 392 | s32 err = 0; |
| 393 | |
| 394 | WL_TRACE("Enter\n"); |
| 395 | if (!check_sys_up(wiphy)) |
| 396 | return -EIO; |
| 397 | |
| 398 | switch (type) { |
| 399 | case NL80211_IFTYPE_MONITOR: |
| 400 | case NL80211_IFTYPE_WDS: |
| 401 | WL_ERR("type (%d) : currently we do not support this type\n", |
| 402 | type); |
| 403 | return -EOPNOTSUPP; |
| 404 | case NL80211_IFTYPE_ADHOC: |
| 405 | cfg_priv->conf->mode = WL_MODE_IBSS; |
| 406 | infra = 0; |
| 407 | break; |
| 408 | case NL80211_IFTYPE_STATION: |
| 409 | cfg_priv->conf->mode = WL_MODE_BSS; |
| 410 | infra = 1; |
| 411 | break; |
| 412 | default: |
| 413 | err = -EINVAL; |
| 414 | goto done; |
| 415 | } |
| 416 | |
| 417 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra); |
| 418 | if (err) { |
| 419 | WL_ERR("WLC_SET_INFRA error (%d)\n", err); |
| 420 | err = -EAGAIN; |
| 421 | } else { |
| 422 | wdev = ndev->ieee80211_ptr; |
| 423 | wdev->iftype = type; |
| 424 | } |
| 425 | |
| 426 | WL_INFO("IF Type = %s\n", |
| 427 | (cfg_priv->conf->mode == WL_MODE_IBSS) ? "Adhoc" : "Infra"); |
| 428 | |
| 429 | done: |
| 430 | WL_TRACE("Exit\n"); |
| 431 | |
| 432 | return err; |
| 433 | } |
| 434 | |
| 435 | static s32 brcmf_dev_intvar_set(struct net_device *ndev, s8 *name, s32 val) |
| 436 | { |
| 437 | s8 buf[BRCMF_DCMD_SMLEN]; |
| 438 | u32 len; |
| 439 | s32 err = 0; |
| 440 | __le32 val_le; |
| 441 | |
| 442 | val_le = cpu_to_le32(val); |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 443 | len = brcmf_c_mkiovar(name, (char *)(&val_le), sizeof(val_le), buf, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 444 | sizeof(buf)); |
| 445 | BUG_ON(!len); |
| 446 | |
| 447 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, buf, len); |
| 448 | if (err) |
| 449 | WL_ERR("error (%d)\n", err); |
| 450 | |
| 451 | return err; |
| 452 | } |
| 453 | |
| 454 | static s32 |
| 455 | brcmf_dev_intvar_get(struct net_device *ndev, s8 *name, s32 *retval) |
| 456 | { |
| 457 | union { |
| 458 | s8 buf[BRCMF_DCMD_SMLEN]; |
| 459 | __le32 val; |
| 460 | } var; |
| 461 | u32 len; |
| 462 | u32 data_null; |
| 463 | s32 err = 0; |
| 464 | |
| 465 | len = |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 466 | brcmf_c_mkiovar(name, (char *)(&data_null), 0, (char *)(&var), |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 467 | sizeof(var.buf)); |
| 468 | BUG_ON(!len); |
| 469 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, &var, len); |
| 470 | if (err) |
| 471 | WL_ERR("error (%d)\n", err); |
| 472 | |
| 473 | *retval = le32_to_cpu(var.val); |
| 474 | |
| 475 | return err; |
| 476 | } |
| 477 | |
| 478 | static void brcmf_set_mpc(struct net_device *ndev, int mpc) |
| 479 | { |
| 480 | s32 err = 0; |
| 481 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); |
| 482 | |
| 483 | if (test_bit(WL_STATUS_READY, &cfg_priv->status)) { |
| 484 | err = brcmf_dev_intvar_set(ndev, "mpc", mpc); |
| 485 | if (err) { |
| 486 | WL_ERR("fail to set mpc\n"); |
| 487 | return; |
| 488 | } |
| 489 | WL_INFO("MPC : %d\n", mpc); |
| 490 | } |
| 491 | } |
| 492 | |
Hante Meuleman | 35aafa9 | 2012-09-11 21:18:49 +0200 | [diff] [blame] | 493 | static void brcmf_iscan_prep(struct brcmf_scan_params_le *params_le, |
| 494 | struct brcmf_ssid *ssid) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 495 | { |
| 496 | memcpy(params_le->bssid, ether_bcast, ETH_ALEN); |
| 497 | params_le->bss_type = DOT11_BSSTYPE_ANY; |
| 498 | params_le->scan_type = 0; |
| 499 | params_le->channel_num = 0; |
| 500 | params_le->nprobes = cpu_to_le32(-1); |
| 501 | params_le->active_time = cpu_to_le32(-1); |
| 502 | params_le->passive_time = cpu_to_le32(-1); |
| 503 | params_le->home_time = cpu_to_le32(-1); |
| 504 | if (ssid && ssid->SSID_len) |
| 505 | memcpy(¶ms_le->ssid_le, ssid, sizeof(struct brcmf_ssid)); |
| 506 | } |
| 507 | |
| 508 | static s32 |
| 509 | brcmf_dev_iovar_setbuf(struct net_device *ndev, s8 * iovar, void *param, |
| 510 | s32 paramlen, void *bufptr, s32 buflen) |
| 511 | { |
| 512 | s32 iolen; |
| 513 | |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 514 | iolen = brcmf_c_mkiovar(iovar, param, paramlen, bufptr, buflen); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 515 | BUG_ON(!iolen); |
| 516 | |
| 517 | return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, bufptr, iolen); |
| 518 | } |
| 519 | |
| 520 | static s32 |
| 521 | brcmf_dev_iovar_getbuf(struct net_device *ndev, s8 * iovar, void *param, |
| 522 | s32 paramlen, void *bufptr, s32 buflen) |
| 523 | { |
| 524 | s32 iolen; |
| 525 | |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 526 | iolen = brcmf_c_mkiovar(iovar, param, paramlen, bufptr, buflen); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 527 | BUG_ON(!iolen); |
| 528 | |
| 529 | return brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, bufptr, buflen); |
| 530 | } |
| 531 | |
| 532 | static s32 |
| 533 | brcmf_run_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan, |
| 534 | struct brcmf_ssid *ssid, u16 action) |
| 535 | { |
| 536 | s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + |
| 537 | offsetof(struct brcmf_iscan_params_le, params_le); |
| 538 | struct brcmf_iscan_params_le *params; |
| 539 | s32 err = 0; |
| 540 | |
| 541 | if (ssid && ssid->SSID_len) |
| 542 | params_size += sizeof(struct brcmf_ssid); |
| 543 | params = kzalloc(params_size, GFP_KERNEL); |
| 544 | if (!params) |
| 545 | return -ENOMEM; |
| 546 | BUG_ON(params_size >= BRCMF_DCMD_SMLEN); |
| 547 | |
Hante Meuleman | 35aafa9 | 2012-09-11 21:18:49 +0200 | [diff] [blame] | 548 | brcmf_iscan_prep(¶ms->params_le, ssid); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 549 | |
| 550 | params->version = cpu_to_le32(BRCMF_ISCAN_REQ_VERSION); |
| 551 | params->action = cpu_to_le16(action); |
| 552 | params->scan_duration = cpu_to_le16(0); |
| 553 | |
| 554 | err = brcmf_dev_iovar_setbuf(iscan->ndev, "iscan", params, params_size, |
| 555 | iscan->dcmd_buf, BRCMF_DCMD_SMLEN); |
| 556 | if (err) { |
| 557 | if (err == -EBUSY) |
| 558 | WL_INFO("system busy : iscan canceled\n"); |
| 559 | else |
| 560 | WL_ERR("error (%d)\n", err); |
| 561 | } |
| 562 | |
| 563 | kfree(params); |
| 564 | return err; |
| 565 | } |
| 566 | |
| 567 | static s32 brcmf_do_iscan(struct brcmf_cfg80211_priv *cfg_priv) |
| 568 | { |
| 569 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv); |
| 570 | struct net_device *ndev = cfg_to_ndev(cfg_priv); |
| 571 | struct brcmf_ssid ssid; |
Arend van Spriel | 6683107 | 2011-10-12 20:51:19 +0200 | [diff] [blame] | 572 | __le32 passive_scan; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 573 | s32 err = 0; |
| 574 | |
| 575 | /* Broadcast scan by default */ |
| 576 | memset(&ssid, 0, sizeof(ssid)); |
| 577 | |
| 578 | iscan->state = WL_ISCAN_STATE_SCANING; |
| 579 | |
Arend van Spriel | 6683107 | 2011-10-12 20:51:19 +0200 | [diff] [blame] | 580 | passive_scan = cfg_priv->active_scan ? 0 : cpu_to_le32(1); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 581 | err = brcmf_exec_dcmd(cfg_to_ndev(cfg_priv), BRCMF_C_SET_PASSIVE_SCAN, |
| 582 | &passive_scan, sizeof(passive_scan)); |
| 583 | if (err) { |
| 584 | WL_ERR("error (%d)\n", err); |
| 585 | return err; |
| 586 | } |
| 587 | brcmf_set_mpc(ndev, 0); |
| 588 | cfg_priv->iscan_kickstart = true; |
| 589 | err = brcmf_run_iscan(iscan, &ssid, BRCMF_SCAN_ACTION_START); |
| 590 | if (err) { |
| 591 | brcmf_set_mpc(ndev, 1); |
| 592 | cfg_priv->iscan_kickstart = false; |
| 593 | return err; |
| 594 | } |
| 595 | mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); |
| 596 | iscan->timer_on = 1; |
| 597 | return err; |
| 598 | } |
| 599 | |
| 600 | static s32 |
Hante Meuleman | 35aafa9 | 2012-09-11 21:18:49 +0200 | [diff] [blame] | 601 | brcmf_cfg80211_iscan(struct wiphy *wiphy, struct net_device *ndev, |
| 602 | struct cfg80211_scan_request *request, |
| 603 | struct cfg80211_ssid *this_ssid) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 604 | { |
| 605 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); |
| 606 | struct cfg80211_ssid *ssids; |
| 607 | struct brcmf_cfg80211_scan_req *sr = cfg_priv->scan_req_int; |
Arend van Spriel | 6683107 | 2011-10-12 20:51:19 +0200 | [diff] [blame] | 608 | __le32 passive_scan; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 609 | bool iscan_req; |
| 610 | bool spec_scan; |
| 611 | s32 err = 0; |
| 612 | u32 SSID_len; |
| 613 | |
| 614 | if (test_bit(WL_STATUS_SCANNING, &cfg_priv->status)) { |
| 615 | WL_ERR("Scanning already : status (%lu)\n", cfg_priv->status); |
| 616 | return -EAGAIN; |
| 617 | } |
| 618 | if (test_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status)) { |
| 619 | WL_ERR("Scanning being aborted : status (%lu)\n", |
| 620 | cfg_priv->status); |
| 621 | return -EAGAIN; |
| 622 | } |
| 623 | if (test_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) { |
| 624 | WL_ERR("Connecting : status (%lu)\n", |
| 625 | cfg_priv->status); |
| 626 | return -EAGAIN; |
| 627 | } |
| 628 | |
| 629 | iscan_req = false; |
| 630 | spec_scan = false; |
| 631 | if (request) { |
| 632 | /* scan bss */ |
| 633 | ssids = request->ssids; |
| 634 | if (cfg_priv->iscan_on && (!ssids || !ssids->ssid_len)) |
| 635 | iscan_req = true; |
| 636 | } else { |
| 637 | /* scan in ibss */ |
| 638 | /* we don't do iscan in ibss */ |
| 639 | ssids = this_ssid; |
| 640 | } |
| 641 | |
| 642 | cfg_priv->scan_request = request; |
| 643 | set_bit(WL_STATUS_SCANNING, &cfg_priv->status); |
| 644 | if (iscan_req) { |
| 645 | err = brcmf_do_iscan(cfg_priv); |
| 646 | if (!err) |
| 647 | return err; |
| 648 | else |
| 649 | goto scan_out; |
| 650 | } else { |
| 651 | WL_SCAN("ssid \"%s\", ssid_len (%d)\n", |
| 652 | ssids->ssid, ssids->ssid_len); |
| 653 | memset(&sr->ssid_le, 0, sizeof(sr->ssid_le)); |
| 654 | SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len); |
| 655 | sr->ssid_le.SSID_len = cpu_to_le32(0); |
| 656 | if (SSID_len) { |
| 657 | memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len); |
| 658 | sr->ssid_le.SSID_len = cpu_to_le32(SSID_len); |
| 659 | spec_scan = true; |
| 660 | } else { |
| 661 | WL_SCAN("Broadcast scan\n"); |
| 662 | } |
| 663 | |
Arend van Spriel | 6683107 | 2011-10-12 20:51:19 +0200 | [diff] [blame] | 664 | passive_scan = cfg_priv->active_scan ? 0 : cpu_to_le32(1); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 665 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN, |
| 666 | &passive_scan, sizeof(passive_scan)); |
| 667 | if (err) { |
| 668 | WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err); |
| 669 | goto scan_out; |
| 670 | } |
| 671 | brcmf_set_mpc(ndev, 0); |
| 672 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, &sr->ssid_le, |
| 673 | sizeof(sr->ssid_le)); |
| 674 | if (err) { |
| 675 | if (err == -EBUSY) |
| 676 | WL_INFO("system busy : scan for \"%s\" " |
| 677 | "canceled\n", sr->ssid_le.SSID); |
| 678 | else |
| 679 | WL_ERR("WLC_SCAN error (%d)\n", err); |
| 680 | |
| 681 | brcmf_set_mpc(ndev, 1); |
| 682 | goto scan_out; |
| 683 | } |
| 684 | } |
| 685 | |
| 686 | return 0; |
| 687 | |
| 688 | scan_out: |
| 689 | clear_bit(WL_STATUS_SCANNING, &cfg_priv->status); |
| 690 | cfg_priv->scan_request = NULL; |
| 691 | return err; |
| 692 | } |
| 693 | |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame^] | 694 | static void brcmf_escan_prep(struct brcmf_scan_params_le *params_le, |
| 695 | struct cfg80211_scan_request *request) |
| 696 | { |
| 697 | u32 n_ssids; |
| 698 | u32 n_channels; |
| 699 | s32 i; |
| 700 | s32 offset; |
| 701 | __le16 chanspec; |
| 702 | u16 channel; |
| 703 | struct ieee80211_channel *req_channel; |
| 704 | char *ptr; |
| 705 | struct brcmf_ssid ssid; |
| 706 | |
| 707 | memcpy(params_le->bssid, ether_bcast, ETH_ALEN); |
| 708 | params_le->bss_type = DOT11_BSSTYPE_ANY; |
| 709 | params_le->scan_type = 0; |
| 710 | params_le->channel_num = 0; |
| 711 | params_le->nprobes = cpu_to_le32(-1); |
| 712 | params_le->active_time = cpu_to_le32(-1); |
| 713 | params_le->passive_time = cpu_to_le32(-1); |
| 714 | params_le->home_time = cpu_to_le32(-1); |
| 715 | memset(¶ms_le->ssid_le, 0, sizeof(params_le->ssid_le)); |
| 716 | |
| 717 | /* if request is null exit so it will be all channel broadcast scan */ |
| 718 | if (!request) |
| 719 | return; |
| 720 | |
| 721 | n_ssids = request->n_ssids; |
| 722 | n_channels = request->n_channels; |
| 723 | /* Copy channel array if applicable */ |
| 724 | WL_SCAN("### List of channelspecs to scan ### %d\n", n_channels); |
| 725 | if (n_channels > 0) { |
| 726 | for (i = 0; i < n_channels; i++) { |
| 727 | chanspec = 0; |
| 728 | req_channel = request->channels[i]; |
| 729 | channel = ieee80211_frequency_to_channel( |
| 730 | req_channel->center_freq); |
| 731 | if (req_channel->band == IEEE80211_BAND_2GHZ) |
| 732 | chanspec |= WL_CHANSPEC_BAND_2G; |
| 733 | else |
| 734 | chanspec |= WL_CHANSPEC_BAND_5G; |
| 735 | |
| 736 | if (req_channel->flags & IEEE80211_CHAN_NO_HT40) { |
| 737 | chanspec |= WL_CHANSPEC_BW_20; |
| 738 | chanspec |= WL_CHANSPEC_CTL_SB_NONE; |
| 739 | } else { |
| 740 | chanspec |= WL_CHANSPEC_BW_40; |
| 741 | if (req_channel->flags & |
| 742 | IEEE80211_CHAN_NO_HT40PLUS) |
| 743 | chanspec |= WL_CHANSPEC_CTL_SB_LOWER; |
| 744 | else |
| 745 | chanspec |= WL_CHANSPEC_CTL_SB_UPPER; |
| 746 | } |
| 747 | |
| 748 | params_le->channel_list[i] = |
| 749 | (channel & WL_CHANSPEC_CHAN_MASK) | |
| 750 | chanspec; |
| 751 | WL_SCAN("Chan : %d, Channel spec: %x\n", |
| 752 | channel, params_le->channel_list[i]); |
| 753 | params_le->channel_list[i] = |
| 754 | cpu_to_le16(params_le->channel_list[i]); |
| 755 | } |
| 756 | } else { |
| 757 | WL_SCAN("Scanning all channels\n"); |
| 758 | } |
| 759 | /* Copy ssid array if applicable */ |
| 760 | WL_SCAN("### List of SSIDs to scan ### %d\n", n_ssids); |
| 761 | if (n_ssids > 0) { |
| 762 | offset = offsetof(struct brcmf_scan_params_le, channel_list) + |
| 763 | n_channels * sizeof(u16); |
| 764 | offset = roundup(offset, sizeof(u32)); |
| 765 | ptr = (char *)params_le + offset; |
| 766 | for (i = 0; i < n_ssids; i++) { |
| 767 | memset(&ssid, 0, sizeof(ssid)); |
| 768 | ssid.SSID_len = cpu_to_le32(request->ssids[i].ssid_len); |
| 769 | memcpy(ssid.SSID, request->ssids[i].ssid, |
| 770 | request->ssids[i].ssid_len); |
| 771 | if (!ssid.SSID_len) |
| 772 | WL_SCAN("%d: Broadcast scan\n", i); |
| 773 | else |
| 774 | WL_SCAN("%d: scan for %s size =%d\n", i, |
| 775 | ssid.SSID, ssid.SSID_len); |
| 776 | memcpy(ptr, &ssid, sizeof(ssid)); |
| 777 | ptr += sizeof(ssid); |
| 778 | } |
| 779 | } else { |
| 780 | WL_SCAN("Broadcast scan %p\n", request->ssids); |
| 781 | if ((request->ssids) && request->ssids->ssid_len) { |
| 782 | WL_SCAN("SSID %s len=%d\n", params_le->ssid_le.SSID, |
| 783 | request->ssids->ssid_len); |
| 784 | params_le->ssid_le.SSID_len = |
| 785 | cpu_to_le32(request->ssids->ssid_len); |
| 786 | memcpy(¶ms_le->ssid_le.SSID, request->ssids->ssid, |
| 787 | request->ssids->ssid_len); |
| 788 | } |
| 789 | } |
| 790 | /* Adding mask to channel numbers */ |
| 791 | params_le->channel_num = |
| 792 | cpu_to_le32((n_ssids << BRCMF_SCAN_PARAMS_NSSID_SHIFT) | |
| 793 | (n_channels & BRCMF_SCAN_PARAMS_COUNT_MASK)); |
| 794 | } |
| 795 | |
| 796 | static s32 |
| 797 | brcmf_notify_escan_complete(struct brcmf_cfg80211_priv *cfg_priv, |
| 798 | struct net_device *ndev, |
| 799 | bool aborted, bool fw_abort) |
| 800 | { |
| 801 | struct brcmf_scan_params_le params_le; |
| 802 | struct cfg80211_scan_request *scan_request; |
| 803 | s32 err = 0; |
| 804 | |
| 805 | WL_SCAN("Enter\n"); |
| 806 | |
| 807 | /* clear scan request, because the FW abort can cause a second call */ |
| 808 | /* to this functon and might cause a double cfg80211_scan_done */ |
| 809 | scan_request = cfg_priv->scan_request; |
| 810 | cfg_priv->scan_request = NULL; |
| 811 | |
| 812 | if (timer_pending(&cfg_priv->escan_timeout)) |
| 813 | del_timer_sync(&cfg_priv->escan_timeout); |
| 814 | |
| 815 | if (fw_abort) { |
| 816 | /* Do a scan abort to stop the driver's scan engine */ |
| 817 | WL_SCAN("ABORT scan in firmware\n"); |
| 818 | memset(¶ms_le, 0, sizeof(params_le)); |
| 819 | memcpy(params_le.bssid, ether_bcast, ETH_ALEN); |
| 820 | params_le.bss_type = DOT11_BSSTYPE_ANY; |
| 821 | params_le.scan_type = 0; |
| 822 | params_le.channel_num = cpu_to_le32(1); |
| 823 | params_le.nprobes = cpu_to_le32(1); |
| 824 | params_le.active_time = cpu_to_le32(-1); |
| 825 | params_le.passive_time = cpu_to_le32(-1); |
| 826 | params_le.home_time = cpu_to_le32(-1); |
| 827 | /* Scan is aborted by setting channel_list[0] to -1 */ |
| 828 | params_le.channel_list[0] = cpu_to_le16(-1); |
| 829 | /* E-Scan (or anyother type) can be aborted by SCAN */ |
| 830 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, ¶ms_le, |
| 831 | sizeof(params_le)); |
| 832 | if (err) |
| 833 | WL_ERR("Scan abort failed\n"); |
| 834 | } |
| 835 | if (scan_request) { |
| 836 | WL_SCAN("ESCAN Completed scan: %s\n", |
| 837 | aborted ? "Aborted" : "Done"); |
| 838 | cfg80211_scan_done(scan_request, aborted); |
| 839 | brcmf_set_mpc(ndev, 1); |
| 840 | } |
| 841 | if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg_priv->status)) { |
| 842 | WL_ERR("Scan complete while device not scanning\n"); |
| 843 | return -EPERM; |
| 844 | } |
| 845 | |
| 846 | return err; |
| 847 | } |
| 848 | |
| 849 | static s32 |
| 850 | brcmf_run_escan(struct brcmf_cfg80211_priv *cfg_priv, struct net_device *ndev, |
| 851 | struct cfg80211_scan_request *request, u16 action) |
| 852 | { |
| 853 | s32 params_size = BRCMF_SCAN_PARAMS_FIXED_SIZE + |
| 854 | offsetof(struct brcmf_escan_params_le, params_le); |
| 855 | struct brcmf_escan_params_le *params; |
| 856 | s32 err = 0; |
| 857 | |
| 858 | WL_SCAN("E-SCAN START\n"); |
| 859 | |
| 860 | if (request != NULL) { |
| 861 | /* Allocate space for populating ssids in struct */ |
| 862 | params_size += sizeof(u32) * ((request->n_channels + 1) / 2); |
| 863 | |
| 864 | /* Allocate space for populating ssids in struct */ |
| 865 | params_size += sizeof(struct brcmf_ssid) * request->n_ssids; |
| 866 | } |
| 867 | |
| 868 | params = kzalloc(params_size, GFP_KERNEL); |
| 869 | if (!params) { |
| 870 | err = -ENOMEM; |
| 871 | goto exit; |
| 872 | } |
| 873 | BUG_ON(params_size + sizeof("escan") >= BRCMF_DCMD_MEDLEN); |
| 874 | brcmf_escan_prep(¶ms->params_le, request); |
| 875 | params->version = cpu_to_le32(BRCMF_ESCAN_REQ_VERSION); |
| 876 | params->action = cpu_to_le16(action); |
| 877 | params->sync_id = cpu_to_le16(0x1234); |
| 878 | |
| 879 | err = brcmf_dev_iovar_setbuf(ndev, "escan", params, params_size, |
| 880 | cfg_priv->escan_ioctl_buf, BRCMF_DCMD_MEDLEN); |
| 881 | if (err) { |
| 882 | if (err == -EBUSY) |
| 883 | WL_INFO("system busy : escan canceled\n"); |
| 884 | else |
| 885 | WL_ERR("error (%d)\n", err); |
| 886 | } |
| 887 | |
| 888 | kfree(params); |
| 889 | exit: |
| 890 | return err; |
| 891 | } |
| 892 | |
| 893 | static s32 |
| 894 | brcmf_do_escan(struct brcmf_cfg80211_priv *cfg_priv, struct wiphy *wiphy, |
| 895 | struct net_device *ndev, struct cfg80211_scan_request *request) |
| 896 | { |
| 897 | s32 err; |
| 898 | __le32 passive_scan; |
| 899 | struct brcmf_scan_results *results; |
| 900 | |
| 901 | WL_SCAN("Enter\n"); |
| 902 | cfg_priv->escan_info.ndev = ndev; |
| 903 | cfg_priv->escan_info.wiphy = wiphy; |
| 904 | cfg_priv->escan_info.escan_state = WL_ESCAN_STATE_SCANNING; |
| 905 | passive_scan = cfg_priv->active_scan ? 0 : cpu_to_le32(1); |
| 906 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN, |
| 907 | &passive_scan, sizeof(passive_scan)); |
| 908 | if (err) { |
| 909 | WL_ERR("error (%d)\n", err); |
| 910 | return err; |
| 911 | } |
| 912 | brcmf_set_mpc(ndev, 0); |
| 913 | results = (struct brcmf_scan_results *)cfg_priv->escan_info.escan_buf; |
| 914 | results->version = 0; |
| 915 | results->count = 0; |
| 916 | results->buflen = WL_ESCAN_RESULTS_FIXED_SIZE; |
| 917 | |
| 918 | err = brcmf_run_escan(cfg_priv, ndev, request, WL_ESCAN_ACTION_START); |
| 919 | if (err) |
| 920 | brcmf_set_mpc(ndev, 1); |
| 921 | return err; |
| 922 | } |
| 923 | |
| 924 | static s32 |
| 925 | brcmf_cfg80211_escan(struct wiphy *wiphy, struct net_device *ndev, |
| 926 | struct cfg80211_scan_request *request, |
| 927 | struct cfg80211_ssid *this_ssid) |
| 928 | { |
| 929 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); |
| 930 | struct cfg80211_ssid *ssids; |
| 931 | struct brcmf_cfg80211_scan_req *sr = cfg_priv->scan_req_int; |
| 932 | __le32 passive_scan; |
| 933 | bool escan_req; |
| 934 | bool spec_scan; |
| 935 | s32 err; |
| 936 | u32 SSID_len; |
| 937 | |
| 938 | WL_SCAN("START ESCAN\n"); |
| 939 | |
| 940 | if (test_bit(WL_STATUS_SCANNING, &cfg_priv->status)) { |
| 941 | WL_ERR("Scanning already : status (%lu)\n", cfg_priv->status); |
| 942 | return -EAGAIN; |
| 943 | } |
| 944 | if (test_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status)) { |
| 945 | WL_ERR("Scanning being aborted : status (%lu)\n", |
| 946 | cfg_priv->status); |
| 947 | return -EAGAIN; |
| 948 | } |
| 949 | if (test_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) { |
| 950 | WL_ERR("Connecting : status (%lu)\n", |
| 951 | cfg_priv->status); |
| 952 | return -EAGAIN; |
| 953 | } |
| 954 | |
| 955 | /* Arm scan timeout timer */ |
| 956 | mod_timer(&cfg_priv->escan_timeout, jiffies + |
| 957 | WL_ESCAN_TIMER_INTERVAL_MS * HZ / 1000); |
| 958 | |
| 959 | escan_req = false; |
| 960 | if (request) { |
| 961 | /* scan bss */ |
| 962 | ssids = request->ssids; |
| 963 | escan_req = true; |
| 964 | } else { |
| 965 | /* scan in ibss */ |
| 966 | /* we don't do escan in ibss */ |
| 967 | ssids = this_ssid; |
| 968 | } |
| 969 | |
| 970 | cfg_priv->scan_request = request; |
| 971 | set_bit(WL_STATUS_SCANNING, &cfg_priv->status); |
| 972 | if (escan_req) { |
| 973 | err = brcmf_do_escan(cfg_priv, wiphy, ndev, request); |
| 974 | if (!err) |
| 975 | return err; |
| 976 | else |
| 977 | goto scan_out; |
| 978 | } else { |
| 979 | WL_SCAN("ssid \"%s\", ssid_len (%d)\n", |
| 980 | ssids->ssid, ssids->ssid_len); |
| 981 | memset(&sr->ssid_le, 0, sizeof(sr->ssid_le)); |
| 982 | SSID_len = min_t(u8, sizeof(sr->ssid_le.SSID), ssids->ssid_len); |
| 983 | sr->ssid_le.SSID_len = cpu_to_le32(0); |
| 984 | spec_scan = false; |
| 985 | if (SSID_len) { |
| 986 | memcpy(sr->ssid_le.SSID, ssids->ssid, SSID_len); |
| 987 | sr->ssid_le.SSID_len = cpu_to_le32(SSID_len); |
| 988 | spec_scan = true; |
| 989 | } else |
| 990 | WL_SCAN("Broadcast scan\n"); |
| 991 | |
| 992 | passive_scan = cfg_priv->active_scan ? 0 : cpu_to_le32(1); |
| 993 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_PASSIVE_SCAN, |
| 994 | &passive_scan, sizeof(passive_scan)); |
| 995 | if (err) { |
| 996 | WL_ERR("WLC_SET_PASSIVE_SCAN error (%d)\n", err); |
| 997 | goto scan_out; |
| 998 | } |
| 999 | brcmf_set_mpc(ndev, 0); |
| 1000 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN, &sr->ssid_le, |
| 1001 | sizeof(sr->ssid_le)); |
| 1002 | if (err) { |
| 1003 | if (err == -EBUSY) |
| 1004 | WL_INFO("BUSY: scan for \"%s\" canceled\n", |
| 1005 | sr->ssid_le.SSID); |
| 1006 | else |
| 1007 | WL_ERR("WLC_SCAN error (%d)\n", err); |
| 1008 | |
| 1009 | brcmf_set_mpc(ndev, 1); |
| 1010 | goto scan_out; |
| 1011 | } |
| 1012 | } |
| 1013 | |
| 1014 | return 0; |
| 1015 | |
| 1016 | scan_out: |
| 1017 | clear_bit(WL_STATUS_SCANNING, &cfg_priv->status); |
| 1018 | if (timer_pending(&cfg_priv->escan_timeout)) |
| 1019 | del_timer_sync(&cfg_priv->escan_timeout); |
| 1020 | cfg_priv->scan_request = NULL; |
| 1021 | return err; |
| 1022 | } |
| 1023 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1024 | static s32 |
Johannes Berg | fd01428 | 2012-06-18 19:17:03 +0200 | [diff] [blame] | 1025 | brcmf_cfg80211_scan(struct wiphy *wiphy, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1026 | struct cfg80211_scan_request *request) |
| 1027 | { |
Johannes Berg | fd01428 | 2012-06-18 19:17:03 +0200 | [diff] [blame] | 1028 | struct net_device *ndev = request->wdev->netdev; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame^] | 1029 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1030 | s32 err = 0; |
| 1031 | |
| 1032 | WL_TRACE("Enter\n"); |
| 1033 | |
| 1034 | if (!check_sys_up(wiphy)) |
| 1035 | return -EIO; |
| 1036 | |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame^] | 1037 | if (cfg_priv->iscan_on) |
| 1038 | err = brcmf_cfg80211_iscan(wiphy, ndev, request, NULL); |
| 1039 | else if (cfg_priv->escan_on) |
| 1040 | err = brcmf_cfg80211_escan(wiphy, ndev, request, NULL); |
| 1041 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1042 | if (err) |
| 1043 | WL_ERR("scan error (%d)\n", err); |
| 1044 | |
| 1045 | WL_TRACE("Exit\n"); |
| 1046 | return err; |
| 1047 | } |
| 1048 | |
| 1049 | static s32 brcmf_set_rts(struct net_device *ndev, u32 rts_threshold) |
| 1050 | { |
| 1051 | s32 err = 0; |
| 1052 | |
| 1053 | err = brcmf_dev_intvar_set(ndev, "rtsthresh", rts_threshold); |
| 1054 | if (err) |
| 1055 | WL_ERR("Error (%d)\n", err); |
| 1056 | |
| 1057 | return err; |
| 1058 | } |
| 1059 | |
| 1060 | static s32 brcmf_set_frag(struct net_device *ndev, u32 frag_threshold) |
| 1061 | { |
| 1062 | s32 err = 0; |
| 1063 | |
| 1064 | err = brcmf_dev_intvar_set(ndev, "fragthresh", frag_threshold); |
| 1065 | if (err) |
| 1066 | WL_ERR("Error (%d)\n", err); |
| 1067 | |
| 1068 | return err; |
| 1069 | } |
| 1070 | |
| 1071 | static s32 brcmf_set_retry(struct net_device *ndev, u32 retry, bool l) |
| 1072 | { |
| 1073 | s32 err = 0; |
| 1074 | u32 cmd = (l ? BRCM_SET_LRL : BRCM_SET_SRL); |
| 1075 | |
| 1076 | err = brcmf_exec_dcmd_u32(ndev, cmd, &retry); |
| 1077 | if (err) { |
| 1078 | WL_ERR("cmd (%d) , error (%d)\n", cmd, err); |
| 1079 | return err; |
| 1080 | } |
| 1081 | return err; |
| 1082 | } |
| 1083 | |
| 1084 | static s32 brcmf_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
| 1085 | { |
| 1086 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 1087 | struct net_device *ndev = cfg_to_ndev(cfg_priv); |
| 1088 | s32 err = 0; |
| 1089 | |
| 1090 | WL_TRACE("Enter\n"); |
| 1091 | if (!check_sys_up(wiphy)) |
| 1092 | return -EIO; |
| 1093 | |
| 1094 | if (changed & WIPHY_PARAM_RTS_THRESHOLD && |
| 1095 | (cfg_priv->conf->rts_threshold != wiphy->rts_threshold)) { |
| 1096 | cfg_priv->conf->rts_threshold = wiphy->rts_threshold; |
| 1097 | err = brcmf_set_rts(ndev, cfg_priv->conf->rts_threshold); |
| 1098 | if (!err) |
| 1099 | goto done; |
| 1100 | } |
| 1101 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD && |
| 1102 | (cfg_priv->conf->frag_threshold != wiphy->frag_threshold)) { |
| 1103 | cfg_priv->conf->frag_threshold = wiphy->frag_threshold; |
| 1104 | err = brcmf_set_frag(ndev, cfg_priv->conf->frag_threshold); |
| 1105 | if (!err) |
| 1106 | goto done; |
| 1107 | } |
| 1108 | if (changed & WIPHY_PARAM_RETRY_LONG |
| 1109 | && (cfg_priv->conf->retry_long != wiphy->retry_long)) { |
| 1110 | cfg_priv->conf->retry_long = wiphy->retry_long; |
| 1111 | err = brcmf_set_retry(ndev, cfg_priv->conf->retry_long, true); |
| 1112 | if (!err) |
| 1113 | goto done; |
| 1114 | } |
| 1115 | if (changed & WIPHY_PARAM_RETRY_SHORT |
| 1116 | && (cfg_priv->conf->retry_short != wiphy->retry_short)) { |
| 1117 | cfg_priv->conf->retry_short = wiphy->retry_short; |
| 1118 | err = brcmf_set_retry(ndev, cfg_priv->conf->retry_short, false); |
| 1119 | if (!err) |
| 1120 | goto done; |
| 1121 | } |
| 1122 | |
| 1123 | done: |
| 1124 | WL_TRACE("Exit\n"); |
| 1125 | return err; |
| 1126 | } |
| 1127 | |
| 1128 | static void *brcmf_read_prof(struct brcmf_cfg80211_priv *cfg_priv, s32 item) |
| 1129 | { |
| 1130 | switch (item) { |
| 1131 | case WL_PROF_SEC: |
| 1132 | return &cfg_priv->profile->sec; |
| 1133 | case WL_PROF_BSSID: |
| 1134 | return &cfg_priv->profile->bssid; |
| 1135 | case WL_PROF_SSID: |
| 1136 | return &cfg_priv->profile->ssid; |
| 1137 | } |
| 1138 | WL_ERR("invalid item (%d)\n", item); |
| 1139 | return NULL; |
| 1140 | } |
| 1141 | |
| 1142 | static s32 |
| 1143 | brcmf_update_prof(struct brcmf_cfg80211_priv *cfg_priv, |
| 1144 | const struct brcmf_event_msg *e, void *data, s32 item) |
| 1145 | { |
| 1146 | s32 err = 0; |
| 1147 | struct brcmf_ssid *ssid; |
| 1148 | |
| 1149 | switch (item) { |
| 1150 | case WL_PROF_SSID: |
| 1151 | ssid = (struct brcmf_ssid *) data; |
| 1152 | memset(cfg_priv->profile->ssid.SSID, 0, |
| 1153 | sizeof(cfg_priv->profile->ssid.SSID)); |
| 1154 | memcpy(cfg_priv->profile->ssid.SSID, |
| 1155 | ssid->SSID, ssid->SSID_len); |
| 1156 | cfg_priv->profile->ssid.SSID_len = ssid->SSID_len; |
| 1157 | break; |
| 1158 | case WL_PROF_BSSID: |
| 1159 | if (data) |
| 1160 | memcpy(cfg_priv->profile->bssid, data, ETH_ALEN); |
| 1161 | else |
| 1162 | memset(cfg_priv->profile->bssid, 0, ETH_ALEN); |
| 1163 | break; |
| 1164 | case WL_PROF_SEC: |
| 1165 | memcpy(&cfg_priv->profile->sec, data, |
| 1166 | sizeof(cfg_priv->profile->sec)); |
| 1167 | break; |
| 1168 | case WL_PROF_BEACONINT: |
| 1169 | cfg_priv->profile->beacon_interval = *(u16 *)data; |
| 1170 | break; |
| 1171 | case WL_PROF_DTIMPERIOD: |
| 1172 | cfg_priv->profile->dtim_period = *(u8 *)data; |
| 1173 | break; |
| 1174 | default: |
| 1175 | WL_ERR("unsupported item (%d)\n", item); |
| 1176 | err = -EOPNOTSUPP; |
| 1177 | break; |
| 1178 | } |
| 1179 | |
| 1180 | return err; |
| 1181 | } |
| 1182 | |
| 1183 | static void brcmf_init_prof(struct brcmf_cfg80211_profile *prof) |
| 1184 | { |
| 1185 | memset(prof, 0, sizeof(*prof)); |
| 1186 | } |
| 1187 | |
| 1188 | static void brcmf_ch_to_chanspec(int ch, struct brcmf_join_params *join_params, |
| 1189 | size_t *join_params_size) |
| 1190 | { |
| 1191 | u16 chanspec = 0; |
| 1192 | |
| 1193 | if (ch != 0) { |
| 1194 | if (ch <= CH_MAX_2G_CHANNEL) |
| 1195 | chanspec |= WL_CHANSPEC_BAND_2G; |
| 1196 | else |
| 1197 | chanspec |= WL_CHANSPEC_BAND_5G; |
| 1198 | |
| 1199 | chanspec |= WL_CHANSPEC_BW_20; |
| 1200 | chanspec |= WL_CHANSPEC_CTL_SB_NONE; |
| 1201 | |
| 1202 | *join_params_size += BRCMF_ASSOC_PARAMS_FIXED_SIZE + |
| 1203 | sizeof(u16); |
| 1204 | |
| 1205 | chanspec |= (ch & WL_CHANSPEC_CHAN_MASK); |
| 1206 | join_params->params_le.chanspec_list[0] = cpu_to_le16(chanspec); |
| 1207 | join_params->params_le.chanspec_num = cpu_to_le32(1); |
| 1208 | |
| 1209 | WL_CONN("join_params->params.chanspec_list[0]= %#X," |
| 1210 | "channel %d, chanspec %#X\n", |
| 1211 | chanspec, ch, chanspec); |
| 1212 | } |
| 1213 | } |
| 1214 | |
| 1215 | static void brcmf_link_down(struct brcmf_cfg80211_priv *cfg_priv) |
| 1216 | { |
| 1217 | struct net_device *ndev = NULL; |
| 1218 | s32 err = 0; |
| 1219 | |
| 1220 | WL_TRACE("Enter\n"); |
| 1221 | |
| 1222 | if (cfg_priv->link_up) { |
| 1223 | ndev = cfg_to_ndev(cfg_priv); |
| 1224 | WL_INFO("Call WLC_DISASSOC to stop excess roaming\n "); |
| 1225 | err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, NULL, 0); |
| 1226 | if (err) |
| 1227 | WL_ERR("WLC_DISASSOC failed (%d)\n", err); |
| 1228 | cfg_priv->link_up = false; |
| 1229 | } |
| 1230 | WL_TRACE("Exit\n"); |
| 1231 | } |
| 1232 | |
| 1233 | static s32 |
| 1234 | brcmf_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *ndev, |
| 1235 | struct cfg80211_ibss_params *params) |
| 1236 | { |
| 1237 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 1238 | struct brcmf_join_params join_params; |
| 1239 | size_t join_params_size = 0; |
| 1240 | s32 err = 0; |
| 1241 | s32 wsec = 0; |
| 1242 | s32 bcnprd; |
| 1243 | struct brcmf_ssid ssid; |
| 1244 | |
| 1245 | WL_TRACE("Enter\n"); |
| 1246 | if (!check_sys_up(wiphy)) |
| 1247 | return -EIO; |
| 1248 | |
| 1249 | if (params->ssid) |
| 1250 | WL_CONN("SSID: %s\n", params->ssid); |
| 1251 | else { |
| 1252 | WL_CONN("SSID: NULL, Not supported\n"); |
| 1253 | return -EOPNOTSUPP; |
| 1254 | } |
| 1255 | |
| 1256 | set_bit(WL_STATUS_CONNECTING, &cfg_priv->status); |
| 1257 | |
| 1258 | if (params->bssid) |
Andy Shevchenko | 040a783 | 2012-07-12 10:43:44 +0300 | [diff] [blame] | 1259 | WL_CONN("BSSID: %pM\n", params->bssid); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1260 | else |
| 1261 | WL_CONN("No BSSID specified\n"); |
| 1262 | |
| 1263 | if (params->channel) |
| 1264 | WL_CONN("channel: %d\n", params->channel->center_freq); |
| 1265 | else |
| 1266 | WL_CONN("no channel specified\n"); |
| 1267 | |
| 1268 | if (params->channel_fixed) |
| 1269 | WL_CONN("fixed channel required\n"); |
| 1270 | else |
| 1271 | WL_CONN("no fixed channel required\n"); |
| 1272 | |
| 1273 | if (params->ie && params->ie_len) |
| 1274 | WL_CONN("ie len: %d\n", params->ie_len); |
| 1275 | else |
| 1276 | WL_CONN("no ie specified\n"); |
| 1277 | |
| 1278 | if (params->beacon_interval) |
| 1279 | WL_CONN("beacon interval: %d\n", params->beacon_interval); |
| 1280 | else |
| 1281 | WL_CONN("no beacon interval specified\n"); |
| 1282 | |
| 1283 | if (params->basic_rates) |
| 1284 | WL_CONN("basic rates: %08X\n", params->basic_rates); |
| 1285 | else |
| 1286 | WL_CONN("no basic rates specified\n"); |
| 1287 | |
| 1288 | if (params->privacy) |
| 1289 | WL_CONN("privacy required\n"); |
| 1290 | else |
| 1291 | WL_CONN("no privacy required\n"); |
| 1292 | |
| 1293 | /* Configure Privacy for starter */ |
| 1294 | if (params->privacy) |
| 1295 | wsec |= WEP_ENABLED; |
| 1296 | |
| 1297 | err = brcmf_dev_intvar_set(ndev, "wsec", wsec); |
| 1298 | if (err) { |
| 1299 | WL_ERR("wsec failed (%d)\n", err); |
| 1300 | goto done; |
| 1301 | } |
| 1302 | |
| 1303 | /* Configure Beacon Interval for starter */ |
| 1304 | if (params->beacon_interval) |
| 1305 | bcnprd = params->beacon_interval; |
| 1306 | else |
| 1307 | bcnprd = 100; |
| 1308 | |
| 1309 | err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_BCNPRD, &bcnprd); |
| 1310 | if (err) { |
| 1311 | WL_ERR("WLC_SET_BCNPRD failed (%d)\n", err); |
| 1312 | goto done; |
| 1313 | } |
| 1314 | |
| 1315 | /* Configure required join parameter */ |
| 1316 | memset(&join_params, 0, sizeof(struct brcmf_join_params)); |
| 1317 | |
| 1318 | /* SSID */ |
| 1319 | ssid.SSID_len = min_t(u32, params->ssid_len, 32); |
| 1320 | memcpy(ssid.SSID, params->ssid, ssid.SSID_len); |
| 1321 | memcpy(join_params.ssid_le.SSID, params->ssid, ssid.SSID_len); |
| 1322 | join_params.ssid_le.SSID_len = cpu_to_le32(ssid.SSID_len); |
| 1323 | join_params_size = sizeof(join_params.ssid_le); |
| 1324 | brcmf_update_prof(cfg_priv, NULL, &ssid, WL_PROF_SSID); |
| 1325 | |
| 1326 | /* BSSID */ |
| 1327 | if (params->bssid) { |
| 1328 | memcpy(join_params.params_le.bssid, params->bssid, ETH_ALEN); |
| 1329 | join_params_size = sizeof(join_params.ssid_le) + |
| 1330 | BRCMF_ASSOC_PARAMS_FIXED_SIZE; |
| 1331 | } else { |
| 1332 | memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN); |
| 1333 | } |
| 1334 | |
| 1335 | brcmf_update_prof(cfg_priv, NULL, |
| 1336 | &join_params.params_le.bssid, WL_PROF_BSSID); |
| 1337 | |
| 1338 | /* Channel */ |
| 1339 | if (params->channel) { |
| 1340 | u32 target_channel; |
| 1341 | |
| 1342 | cfg_priv->channel = |
| 1343 | ieee80211_frequency_to_channel( |
| 1344 | params->channel->center_freq); |
| 1345 | if (params->channel_fixed) { |
| 1346 | /* adding chanspec */ |
| 1347 | brcmf_ch_to_chanspec(cfg_priv->channel, |
| 1348 | &join_params, &join_params_size); |
| 1349 | } |
| 1350 | |
| 1351 | /* set channel for starter */ |
| 1352 | target_channel = cfg_priv->channel; |
| 1353 | err = brcmf_exec_dcmd_u32(ndev, BRCM_SET_CHANNEL, |
| 1354 | &target_channel); |
| 1355 | if (err) { |
| 1356 | WL_ERR("WLC_SET_CHANNEL failed (%d)\n", err); |
| 1357 | goto done; |
| 1358 | } |
| 1359 | } else |
| 1360 | cfg_priv->channel = 0; |
| 1361 | |
| 1362 | cfg_priv->ibss_starter = false; |
| 1363 | |
| 1364 | |
| 1365 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID, |
| 1366 | &join_params, join_params_size); |
| 1367 | if (err) { |
| 1368 | WL_ERR("WLC_SET_SSID failed (%d)\n", err); |
| 1369 | goto done; |
| 1370 | } |
| 1371 | |
| 1372 | done: |
| 1373 | if (err) |
| 1374 | clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status); |
| 1375 | WL_TRACE("Exit\n"); |
| 1376 | return err; |
| 1377 | } |
| 1378 | |
| 1379 | static s32 |
| 1380 | brcmf_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *ndev) |
| 1381 | { |
| 1382 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 1383 | s32 err = 0; |
| 1384 | |
| 1385 | WL_TRACE("Enter\n"); |
| 1386 | if (!check_sys_up(wiphy)) |
| 1387 | return -EIO; |
| 1388 | |
| 1389 | brcmf_link_down(cfg_priv); |
| 1390 | |
| 1391 | WL_TRACE("Exit\n"); |
| 1392 | |
| 1393 | return err; |
| 1394 | } |
| 1395 | |
| 1396 | static s32 brcmf_set_wpa_version(struct net_device *ndev, |
| 1397 | struct cfg80211_connect_params *sme) |
| 1398 | { |
| 1399 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); |
| 1400 | struct brcmf_cfg80211_security *sec; |
| 1401 | s32 val = 0; |
| 1402 | s32 err = 0; |
| 1403 | |
| 1404 | if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_1) |
| 1405 | val = WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED; |
| 1406 | else if (sme->crypto.wpa_versions & NL80211_WPA_VERSION_2) |
| 1407 | val = WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED; |
| 1408 | else |
| 1409 | val = WPA_AUTH_DISABLED; |
| 1410 | WL_CONN("setting wpa_auth to 0x%0x\n", val); |
| 1411 | err = brcmf_dev_intvar_set(ndev, "wpa_auth", val); |
| 1412 | if (err) { |
| 1413 | WL_ERR("set wpa_auth failed (%d)\n", err); |
| 1414 | return err; |
| 1415 | } |
| 1416 | sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC); |
| 1417 | sec->wpa_versions = sme->crypto.wpa_versions; |
| 1418 | return err; |
| 1419 | } |
| 1420 | |
| 1421 | static s32 brcmf_set_auth_type(struct net_device *ndev, |
| 1422 | struct cfg80211_connect_params *sme) |
| 1423 | { |
| 1424 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); |
| 1425 | struct brcmf_cfg80211_security *sec; |
| 1426 | s32 val = 0; |
| 1427 | s32 err = 0; |
| 1428 | |
| 1429 | switch (sme->auth_type) { |
| 1430 | case NL80211_AUTHTYPE_OPEN_SYSTEM: |
| 1431 | val = 0; |
| 1432 | WL_CONN("open system\n"); |
| 1433 | break; |
| 1434 | case NL80211_AUTHTYPE_SHARED_KEY: |
| 1435 | val = 1; |
| 1436 | WL_CONN("shared key\n"); |
| 1437 | break; |
| 1438 | case NL80211_AUTHTYPE_AUTOMATIC: |
| 1439 | val = 2; |
| 1440 | WL_CONN("automatic\n"); |
| 1441 | break; |
| 1442 | case NL80211_AUTHTYPE_NETWORK_EAP: |
| 1443 | WL_CONN("network eap\n"); |
| 1444 | default: |
| 1445 | val = 2; |
| 1446 | WL_ERR("invalid auth type (%d)\n", sme->auth_type); |
| 1447 | break; |
| 1448 | } |
| 1449 | |
| 1450 | err = brcmf_dev_intvar_set(ndev, "auth", val); |
| 1451 | if (err) { |
| 1452 | WL_ERR("set auth failed (%d)\n", err); |
| 1453 | return err; |
| 1454 | } |
| 1455 | sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC); |
| 1456 | sec->auth_type = sme->auth_type; |
| 1457 | return err; |
| 1458 | } |
| 1459 | |
| 1460 | static s32 |
| 1461 | brcmf_set_set_cipher(struct net_device *ndev, |
| 1462 | struct cfg80211_connect_params *sme) |
| 1463 | { |
| 1464 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); |
| 1465 | struct brcmf_cfg80211_security *sec; |
| 1466 | s32 pval = 0; |
| 1467 | s32 gval = 0; |
| 1468 | s32 err = 0; |
| 1469 | |
| 1470 | if (sme->crypto.n_ciphers_pairwise) { |
| 1471 | switch (sme->crypto.ciphers_pairwise[0]) { |
| 1472 | case WLAN_CIPHER_SUITE_WEP40: |
| 1473 | case WLAN_CIPHER_SUITE_WEP104: |
| 1474 | pval = WEP_ENABLED; |
| 1475 | break; |
| 1476 | case WLAN_CIPHER_SUITE_TKIP: |
| 1477 | pval = TKIP_ENABLED; |
| 1478 | break; |
| 1479 | case WLAN_CIPHER_SUITE_CCMP: |
| 1480 | pval = AES_ENABLED; |
| 1481 | break; |
| 1482 | case WLAN_CIPHER_SUITE_AES_CMAC: |
| 1483 | pval = AES_ENABLED; |
| 1484 | break; |
| 1485 | default: |
| 1486 | WL_ERR("invalid cipher pairwise (%d)\n", |
| 1487 | sme->crypto.ciphers_pairwise[0]); |
| 1488 | return -EINVAL; |
| 1489 | } |
| 1490 | } |
| 1491 | if (sme->crypto.cipher_group) { |
| 1492 | switch (sme->crypto.cipher_group) { |
| 1493 | case WLAN_CIPHER_SUITE_WEP40: |
| 1494 | case WLAN_CIPHER_SUITE_WEP104: |
| 1495 | gval = WEP_ENABLED; |
| 1496 | break; |
| 1497 | case WLAN_CIPHER_SUITE_TKIP: |
| 1498 | gval = TKIP_ENABLED; |
| 1499 | break; |
| 1500 | case WLAN_CIPHER_SUITE_CCMP: |
| 1501 | gval = AES_ENABLED; |
| 1502 | break; |
| 1503 | case WLAN_CIPHER_SUITE_AES_CMAC: |
| 1504 | gval = AES_ENABLED; |
| 1505 | break; |
| 1506 | default: |
| 1507 | WL_ERR("invalid cipher group (%d)\n", |
| 1508 | sme->crypto.cipher_group); |
| 1509 | return -EINVAL; |
| 1510 | } |
| 1511 | } |
| 1512 | |
| 1513 | WL_CONN("pval (%d) gval (%d)\n", pval, gval); |
| 1514 | err = brcmf_dev_intvar_set(ndev, "wsec", pval | gval); |
| 1515 | if (err) { |
| 1516 | WL_ERR("error (%d)\n", err); |
| 1517 | return err; |
| 1518 | } |
| 1519 | |
| 1520 | sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC); |
| 1521 | sec->cipher_pairwise = sme->crypto.ciphers_pairwise[0]; |
| 1522 | sec->cipher_group = sme->crypto.cipher_group; |
| 1523 | |
| 1524 | return err; |
| 1525 | } |
| 1526 | |
| 1527 | static s32 |
| 1528 | brcmf_set_key_mgmt(struct net_device *ndev, struct cfg80211_connect_params *sme) |
| 1529 | { |
| 1530 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); |
| 1531 | struct brcmf_cfg80211_security *sec; |
| 1532 | s32 val = 0; |
| 1533 | s32 err = 0; |
| 1534 | |
| 1535 | if (sme->crypto.n_akm_suites) { |
| 1536 | err = brcmf_dev_intvar_get(ndev, "wpa_auth", &val); |
| 1537 | if (err) { |
| 1538 | WL_ERR("could not get wpa_auth (%d)\n", err); |
| 1539 | return err; |
| 1540 | } |
| 1541 | if (val & (WPA_AUTH_PSK | WPA_AUTH_UNSPECIFIED)) { |
| 1542 | switch (sme->crypto.akm_suites[0]) { |
| 1543 | case WLAN_AKM_SUITE_8021X: |
| 1544 | val = WPA_AUTH_UNSPECIFIED; |
| 1545 | break; |
| 1546 | case WLAN_AKM_SUITE_PSK: |
| 1547 | val = WPA_AUTH_PSK; |
| 1548 | break; |
| 1549 | default: |
| 1550 | WL_ERR("invalid cipher group (%d)\n", |
| 1551 | sme->crypto.cipher_group); |
| 1552 | return -EINVAL; |
| 1553 | } |
| 1554 | } else if (val & (WPA2_AUTH_PSK | WPA2_AUTH_UNSPECIFIED)) { |
| 1555 | switch (sme->crypto.akm_suites[0]) { |
| 1556 | case WLAN_AKM_SUITE_8021X: |
| 1557 | val = WPA2_AUTH_UNSPECIFIED; |
| 1558 | break; |
| 1559 | case WLAN_AKM_SUITE_PSK: |
| 1560 | val = WPA2_AUTH_PSK; |
| 1561 | break; |
| 1562 | default: |
| 1563 | WL_ERR("invalid cipher group (%d)\n", |
| 1564 | sme->crypto.cipher_group); |
| 1565 | return -EINVAL; |
| 1566 | } |
| 1567 | } |
| 1568 | |
| 1569 | WL_CONN("setting wpa_auth to %d\n", val); |
| 1570 | err = brcmf_dev_intvar_set(ndev, "wpa_auth", val); |
| 1571 | if (err) { |
| 1572 | WL_ERR("could not set wpa_auth (%d)\n", err); |
| 1573 | return err; |
| 1574 | } |
| 1575 | } |
| 1576 | sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC); |
| 1577 | sec->wpa_auth = sme->crypto.akm_suites[0]; |
| 1578 | |
| 1579 | return err; |
| 1580 | } |
| 1581 | |
| 1582 | static s32 |
Roland Vossen | a718e2f | 2011-10-12 20:51:24 +0200 | [diff] [blame] | 1583 | brcmf_set_wep_sharedkey(struct net_device *ndev, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1584 | struct cfg80211_connect_params *sme) |
| 1585 | { |
| 1586 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); |
| 1587 | struct brcmf_cfg80211_security *sec; |
| 1588 | struct brcmf_wsec_key key; |
| 1589 | s32 val; |
| 1590 | s32 err = 0; |
| 1591 | |
| 1592 | WL_CONN("key len (%d)\n", sme->key_len); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1593 | |
Roland Vossen | a718e2f | 2011-10-12 20:51:24 +0200 | [diff] [blame] | 1594 | if (sme->key_len == 0) |
| 1595 | return 0; |
| 1596 | |
| 1597 | sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC); |
| 1598 | WL_CONN("wpa_versions 0x%x cipher_pairwise 0x%x\n", |
| 1599 | sec->wpa_versions, sec->cipher_pairwise); |
| 1600 | |
| 1601 | if (sec->wpa_versions & (NL80211_WPA_VERSION_1 | NL80211_WPA_VERSION_2)) |
| 1602 | return 0; |
| 1603 | |
| 1604 | if (sec->cipher_pairwise & |
| 1605 | (WLAN_CIPHER_SUITE_WEP40 | WLAN_CIPHER_SUITE_WEP104)) { |
| 1606 | memset(&key, 0, sizeof(key)); |
| 1607 | key.len = (u32) sme->key_len; |
| 1608 | key.index = (u32) sme->key_idx; |
| 1609 | if (key.len > sizeof(key.data)) { |
| 1610 | WL_ERR("Too long key length (%u)\n", key.len); |
| 1611 | return -EINVAL; |
| 1612 | } |
| 1613 | memcpy(key.data, sme->key, key.len); |
| 1614 | key.flags = BRCMF_PRIMARY_KEY; |
| 1615 | switch (sec->cipher_pairwise) { |
| 1616 | case WLAN_CIPHER_SUITE_WEP40: |
| 1617 | key.algo = CRYPTO_ALGO_WEP1; |
| 1618 | break; |
| 1619 | case WLAN_CIPHER_SUITE_WEP104: |
| 1620 | key.algo = CRYPTO_ALGO_WEP128; |
| 1621 | break; |
| 1622 | default: |
| 1623 | WL_ERR("Invalid algorithm (%d)\n", |
| 1624 | sme->crypto.ciphers_pairwise[0]); |
| 1625 | return -EINVAL; |
| 1626 | } |
| 1627 | /* Set the new key/index */ |
| 1628 | WL_CONN("key length (%d) key index (%d) algo (%d)\n", |
| 1629 | key.len, key.index, key.algo); |
| 1630 | WL_CONN("key \"%s\"\n", key.data); |
| 1631 | err = send_key_to_dongle(ndev, &key); |
| 1632 | if (err) |
| 1633 | return err; |
| 1634 | |
| 1635 | if (sec->auth_type == NL80211_AUTHTYPE_OPEN_SYSTEM) { |
| 1636 | WL_CONN("set auth_type to shared key\n"); |
| 1637 | val = 1; /* shared key */ |
| 1638 | err = brcmf_dev_intvar_set(ndev, "auth", val); |
| 1639 | if (err) { |
| 1640 | WL_ERR("set auth failed (%d)\n", err); |
| 1641 | return err; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1642 | } |
| 1643 | } |
| 1644 | } |
| 1645 | return err; |
| 1646 | } |
| 1647 | |
| 1648 | static s32 |
| 1649 | brcmf_cfg80211_connect(struct wiphy *wiphy, struct net_device *ndev, |
| 1650 | struct cfg80211_connect_params *sme) |
| 1651 | { |
| 1652 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 1653 | struct ieee80211_channel *chan = sme->channel; |
| 1654 | struct brcmf_join_params join_params; |
| 1655 | size_t join_params_size; |
| 1656 | struct brcmf_ssid ssid; |
| 1657 | |
| 1658 | s32 err = 0; |
| 1659 | |
| 1660 | WL_TRACE("Enter\n"); |
| 1661 | if (!check_sys_up(wiphy)) |
| 1662 | return -EIO; |
| 1663 | |
| 1664 | if (!sme->ssid) { |
| 1665 | WL_ERR("Invalid ssid\n"); |
| 1666 | return -EOPNOTSUPP; |
| 1667 | } |
| 1668 | |
| 1669 | set_bit(WL_STATUS_CONNECTING, &cfg_priv->status); |
| 1670 | |
| 1671 | if (chan) { |
| 1672 | cfg_priv->channel = |
| 1673 | ieee80211_frequency_to_channel(chan->center_freq); |
| 1674 | WL_CONN("channel (%d), center_req (%d)\n", |
| 1675 | cfg_priv->channel, chan->center_freq); |
| 1676 | } else |
| 1677 | cfg_priv->channel = 0; |
| 1678 | |
| 1679 | WL_INFO("ie (%p), ie_len (%zd)\n", sme->ie, sme->ie_len); |
| 1680 | |
| 1681 | err = brcmf_set_wpa_version(ndev, sme); |
| 1682 | if (err) { |
| 1683 | WL_ERR("wl_set_wpa_version failed (%d)\n", err); |
| 1684 | goto done; |
| 1685 | } |
| 1686 | |
| 1687 | err = brcmf_set_auth_type(ndev, sme); |
| 1688 | if (err) { |
| 1689 | WL_ERR("wl_set_auth_type failed (%d)\n", err); |
| 1690 | goto done; |
| 1691 | } |
| 1692 | |
| 1693 | err = brcmf_set_set_cipher(ndev, sme); |
| 1694 | if (err) { |
| 1695 | WL_ERR("wl_set_set_cipher failed (%d)\n", err); |
| 1696 | goto done; |
| 1697 | } |
| 1698 | |
| 1699 | err = brcmf_set_key_mgmt(ndev, sme); |
| 1700 | if (err) { |
| 1701 | WL_ERR("wl_set_key_mgmt failed (%d)\n", err); |
| 1702 | goto done; |
| 1703 | } |
| 1704 | |
Roland Vossen | a718e2f | 2011-10-12 20:51:24 +0200 | [diff] [blame] | 1705 | err = brcmf_set_wep_sharedkey(ndev, sme); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1706 | if (err) { |
Roland Vossen | a718e2f | 2011-10-12 20:51:24 +0200 | [diff] [blame] | 1707 | WL_ERR("brcmf_set_wep_sharedkey failed (%d)\n", err); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1708 | goto done; |
| 1709 | } |
| 1710 | |
| 1711 | memset(&join_params, 0, sizeof(join_params)); |
| 1712 | join_params_size = sizeof(join_params.ssid_le); |
| 1713 | |
Arend van Spriel | 2315992 | 2012-02-09 21:09:00 +0100 | [diff] [blame] | 1714 | ssid.SSID_len = min_t(u32, sizeof(ssid.SSID), (u32)sme->ssid_len); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1715 | memcpy(&join_params.ssid_le.SSID, sme->ssid, ssid.SSID_len); |
| 1716 | memcpy(&ssid.SSID, sme->ssid, ssid.SSID_len); |
| 1717 | join_params.ssid_le.SSID_len = cpu_to_le32(ssid.SSID_len); |
| 1718 | brcmf_update_prof(cfg_priv, NULL, &ssid, WL_PROF_SSID); |
| 1719 | |
| 1720 | memcpy(join_params.params_le.bssid, ether_bcast, ETH_ALEN); |
| 1721 | |
| 1722 | if (ssid.SSID_len < IEEE80211_MAX_SSID_LEN) |
| 1723 | WL_CONN("ssid \"%s\", len (%d)\n", |
| 1724 | ssid.SSID, ssid.SSID_len); |
| 1725 | |
| 1726 | brcmf_ch_to_chanspec(cfg_priv->channel, |
| 1727 | &join_params, &join_params_size); |
| 1728 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SSID, |
| 1729 | &join_params, join_params_size); |
| 1730 | if (err) |
| 1731 | WL_ERR("WLC_SET_SSID failed (%d)\n", err); |
| 1732 | |
| 1733 | done: |
| 1734 | if (err) |
| 1735 | clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status); |
| 1736 | WL_TRACE("Exit\n"); |
| 1737 | return err; |
| 1738 | } |
| 1739 | |
| 1740 | static s32 |
| 1741 | brcmf_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *ndev, |
| 1742 | u16 reason_code) |
| 1743 | { |
| 1744 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 1745 | struct brcmf_scb_val_le scbval; |
| 1746 | s32 err = 0; |
| 1747 | |
| 1748 | WL_TRACE("Enter. Reason code = %d\n", reason_code); |
| 1749 | if (!check_sys_up(wiphy)) |
| 1750 | return -EIO; |
| 1751 | |
| 1752 | clear_bit(WL_STATUS_CONNECTED, &cfg_priv->status); |
| 1753 | |
| 1754 | memcpy(&scbval.ea, brcmf_read_prof(cfg_priv, WL_PROF_BSSID), ETH_ALEN); |
| 1755 | scbval.val = cpu_to_le32(reason_code); |
| 1756 | err = brcmf_exec_dcmd(ndev, BRCMF_C_DISASSOC, &scbval, |
| 1757 | sizeof(struct brcmf_scb_val_le)); |
| 1758 | if (err) |
| 1759 | WL_ERR("error (%d)\n", err); |
| 1760 | |
| 1761 | cfg_priv->link_up = false; |
| 1762 | |
| 1763 | WL_TRACE("Exit\n"); |
| 1764 | return err; |
| 1765 | } |
| 1766 | |
| 1767 | static s32 |
| 1768 | brcmf_cfg80211_set_tx_power(struct wiphy *wiphy, |
Luis R. Rodriguez | d3f3113 | 2011-11-28 16:38:48 -0500 | [diff] [blame] | 1769 | enum nl80211_tx_power_setting type, s32 mbm) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1770 | { |
| 1771 | |
| 1772 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 1773 | struct net_device *ndev = cfg_to_ndev(cfg_priv); |
| 1774 | u16 txpwrmw; |
| 1775 | s32 err = 0; |
| 1776 | s32 disable = 0; |
Luis R. Rodriguez | d3f3113 | 2011-11-28 16:38:48 -0500 | [diff] [blame] | 1777 | s32 dbm = MBM_TO_DBM(mbm); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1778 | |
| 1779 | WL_TRACE("Enter\n"); |
| 1780 | if (!check_sys_up(wiphy)) |
| 1781 | return -EIO; |
| 1782 | |
| 1783 | switch (type) { |
| 1784 | case NL80211_TX_POWER_AUTOMATIC: |
| 1785 | break; |
| 1786 | case NL80211_TX_POWER_LIMITED: |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1787 | case NL80211_TX_POWER_FIXED: |
| 1788 | if (dbm < 0) { |
| 1789 | WL_ERR("TX_POWER_FIXED - dbm is negative\n"); |
| 1790 | err = -EINVAL; |
| 1791 | goto done; |
| 1792 | } |
| 1793 | break; |
| 1794 | } |
| 1795 | /* Make sure radio is off or on as far as software is concerned */ |
| 1796 | disable = WL_RADIO_SW_DISABLE << 16; |
| 1797 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_RADIO, &disable); |
| 1798 | if (err) |
| 1799 | WL_ERR("WLC_SET_RADIO error (%d)\n", err); |
| 1800 | |
| 1801 | if (dbm > 0xffff) |
| 1802 | txpwrmw = 0xffff; |
| 1803 | else |
| 1804 | txpwrmw = (u16) dbm; |
| 1805 | err = brcmf_dev_intvar_set(ndev, "qtxpower", |
Alwin Beukers | ef6ac17 | 2011-10-12 20:51:26 +0200 | [diff] [blame] | 1806 | (s32) (brcmf_mw_to_qdbm(txpwrmw))); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1807 | if (err) |
| 1808 | WL_ERR("qtxpower error (%d)\n", err); |
| 1809 | cfg_priv->conf->tx_power = dbm; |
| 1810 | |
| 1811 | done: |
| 1812 | WL_TRACE("Exit\n"); |
| 1813 | return err; |
| 1814 | } |
| 1815 | |
| 1816 | static s32 brcmf_cfg80211_get_tx_power(struct wiphy *wiphy, s32 *dbm) |
| 1817 | { |
| 1818 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 1819 | struct net_device *ndev = cfg_to_ndev(cfg_priv); |
| 1820 | s32 txpwrdbm; |
| 1821 | u8 result; |
| 1822 | s32 err = 0; |
| 1823 | |
| 1824 | WL_TRACE("Enter\n"); |
| 1825 | if (!check_sys_up(wiphy)) |
| 1826 | return -EIO; |
| 1827 | |
| 1828 | err = brcmf_dev_intvar_get(ndev, "qtxpower", &txpwrdbm); |
| 1829 | if (err) { |
| 1830 | WL_ERR("error (%d)\n", err); |
| 1831 | goto done; |
| 1832 | } |
| 1833 | |
| 1834 | result = (u8) (txpwrdbm & ~WL_TXPWR_OVERRIDE); |
Alwin Beukers | ef6ac17 | 2011-10-12 20:51:26 +0200 | [diff] [blame] | 1835 | *dbm = (s32) brcmf_qdbm_to_mw(result); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 1836 | |
| 1837 | done: |
| 1838 | WL_TRACE("Exit\n"); |
| 1839 | return err; |
| 1840 | } |
| 1841 | |
| 1842 | static s32 |
| 1843 | brcmf_cfg80211_config_default_key(struct wiphy *wiphy, struct net_device *ndev, |
| 1844 | u8 key_idx, bool unicast, bool multicast) |
| 1845 | { |
| 1846 | u32 index; |
| 1847 | u32 wsec; |
| 1848 | s32 err = 0; |
| 1849 | |
| 1850 | WL_TRACE("Enter\n"); |
| 1851 | WL_CONN("key index (%d)\n", key_idx); |
| 1852 | if (!check_sys_up(wiphy)) |
| 1853 | return -EIO; |
| 1854 | |
| 1855 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_WSEC, &wsec); |
| 1856 | if (err) { |
| 1857 | WL_ERR("WLC_GET_WSEC error (%d)\n", err); |
| 1858 | goto done; |
| 1859 | } |
| 1860 | |
| 1861 | if (wsec & WEP_ENABLED) { |
| 1862 | /* Just select a new current key */ |
| 1863 | index = key_idx; |
| 1864 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_KEY_PRIMARY, |
| 1865 | &index); |
| 1866 | if (err) |
| 1867 | WL_ERR("error (%d)\n", err); |
| 1868 | } |
| 1869 | done: |
| 1870 | WL_TRACE("Exit\n"); |
| 1871 | return err; |
| 1872 | } |
| 1873 | |
| 1874 | static s32 |
| 1875 | brcmf_add_keyext(struct wiphy *wiphy, struct net_device *ndev, |
| 1876 | u8 key_idx, const u8 *mac_addr, struct key_params *params) |
| 1877 | { |
| 1878 | struct brcmf_wsec_key key; |
| 1879 | struct brcmf_wsec_key_le key_le; |
| 1880 | s32 err = 0; |
| 1881 | |
| 1882 | memset(&key, 0, sizeof(key)); |
| 1883 | key.index = (u32) key_idx; |
| 1884 | /* Instead of bcast for ea address for default wep keys, |
| 1885 | driver needs it to be Null */ |
| 1886 | if (!is_multicast_ether_addr(mac_addr)) |
| 1887 | memcpy((char *)&key.ea, (void *)mac_addr, ETH_ALEN); |
| 1888 | key.len = (u32) params->key_len; |
| 1889 | /* check for key index change */ |
| 1890 | if (key.len == 0) { |
| 1891 | /* key delete */ |
| 1892 | err = send_key_to_dongle(ndev, &key); |
| 1893 | if (err) |
| 1894 | return err; |
| 1895 | } else { |
| 1896 | if (key.len > sizeof(key.data)) { |
| 1897 | WL_ERR("Invalid key length (%d)\n", key.len); |
| 1898 | return -EINVAL; |
| 1899 | } |
| 1900 | |
| 1901 | WL_CONN("Setting the key index %d\n", key.index); |
| 1902 | memcpy(key.data, params->key, key.len); |
| 1903 | |
| 1904 | if (params->cipher == WLAN_CIPHER_SUITE_TKIP) { |
| 1905 | u8 keybuf[8]; |
| 1906 | memcpy(keybuf, &key.data[24], sizeof(keybuf)); |
| 1907 | memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); |
| 1908 | memcpy(&key.data[16], keybuf, sizeof(keybuf)); |
| 1909 | } |
| 1910 | |
| 1911 | /* if IW_ENCODE_EXT_RX_SEQ_VALID set */ |
| 1912 | if (params->seq && params->seq_len == 6) { |
| 1913 | /* rx iv */ |
| 1914 | u8 *ivptr; |
| 1915 | ivptr = (u8 *) params->seq; |
| 1916 | key.rxiv.hi = (ivptr[5] << 24) | (ivptr[4] << 16) | |
| 1917 | (ivptr[3] << 8) | ivptr[2]; |
| 1918 | key.rxiv.lo = (ivptr[1] << 8) | ivptr[0]; |
| 1919 | key.iv_initialized = true; |
| 1920 | } |
| 1921 | |
| 1922 | switch (params->cipher) { |
| 1923 | case WLAN_CIPHER_SUITE_WEP40: |
| 1924 | key.algo = CRYPTO_ALGO_WEP1; |
| 1925 | WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); |
| 1926 | break; |
| 1927 | case WLAN_CIPHER_SUITE_WEP104: |
| 1928 | key.algo = CRYPTO_ALGO_WEP128; |
| 1929 | WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); |
| 1930 | break; |
| 1931 | case WLAN_CIPHER_SUITE_TKIP: |
| 1932 | key.algo = CRYPTO_ALGO_TKIP; |
| 1933 | WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); |
| 1934 | break; |
| 1935 | case WLAN_CIPHER_SUITE_AES_CMAC: |
| 1936 | key.algo = CRYPTO_ALGO_AES_CCM; |
| 1937 | WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); |
| 1938 | break; |
| 1939 | case WLAN_CIPHER_SUITE_CCMP: |
| 1940 | key.algo = CRYPTO_ALGO_AES_CCM; |
| 1941 | WL_CONN("WLAN_CIPHER_SUITE_CCMP\n"); |
| 1942 | break; |
| 1943 | default: |
| 1944 | WL_ERR("Invalid cipher (0x%x)\n", params->cipher); |
| 1945 | return -EINVAL; |
| 1946 | } |
| 1947 | convert_key_from_CPU(&key, &key_le); |
| 1948 | |
| 1949 | brcmf_netdev_wait_pend8021x(ndev); |
| 1950 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_KEY, &key_le, |
| 1951 | sizeof(key_le)); |
| 1952 | if (err) { |
| 1953 | WL_ERR("WLC_SET_KEY error (%d)\n", err); |
| 1954 | return err; |
| 1955 | } |
| 1956 | } |
| 1957 | return err; |
| 1958 | } |
| 1959 | |
| 1960 | static s32 |
| 1961 | brcmf_cfg80211_add_key(struct wiphy *wiphy, struct net_device *ndev, |
| 1962 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
| 1963 | struct key_params *params) |
| 1964 | { |
| 1965 | struct brcmf_wsec_key key; |
| 1966 | s32 val; |
| 1967 | s32 wsec; |
| 1968 | s32 err = 0; |
| 1969 | u8 keybuf[8]; |
| 1970 | |
| 1971 | WL_TRACE("Enter\n"); |
| 1972 | WL_CONN("key index (%d)\n", key_idx); |
| 1973 | if (!check_sys_up(wiphy)) |
| 1974 | return -EIO; |
| 1975 | |
| 1976 | if (mac_addr) { |
| 1977 | WL_TRACE("Exit"); |
| 1978 | return brcmf_add_keyext(wiphy, ndev, key_idx, mac_addr, params); |
| 1979 | } |
| 1980 | memset(&key, 0, sizeof(key)); |
| 1981 | |
| 1982 | key.len = (u32) params->key_len; |
| 1983 | key.index = (u32) key_idx; |
| 1984 | |
| 1985 | if (key.len > sizeof(key.data)) { |
| 1986 | WL_ERR("Too long key length (%u)\n", key.len); |
| 1987 | err = -EINVAL; |
| 1988 | goto done; |
| 1989 | } |
| 1990 | memcpy(key.data, params->key, key.len); |
| 1991 | |
| 1992 | key.flags = BRCMF_PRIMARY_KEY; |
| 1993 | switch (params->cipher) { |
| 1994 | case WLAN_CIPHER_SUITE_WEP40: |
| 1995 | key.algo = CRYPTO_ALGO_WEP1; |
| 1996 | WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); |
| 1997 | break; |
| 1998 | case WLAN_CIPHER_SUITE_WEP104: |
| 1999 | key.algo = CRYPTO_ALGO_WEP128; |
| 2000 | WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); |
| 2001 | break; |
| 2002 | case WLAN_CIPHER_SUITE_TKIP: |
| 2003 | memcpy(keybuf, &key.data[24], sizeof(keybuf)); |
| 2004 | memcpy(&key.data[24], &key.data[16], sizeof(keybuf)); |
| 2005 | memcpy(&key.data[16], keybuf, sizeof(keybuf)); |
| 2006 | key.algo = CRYPTO_ALGO_TKIP; |
| 2007 | WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); |
| 2008 | break; |
| 2009 | case WLAN_CIPHER_SUITE_AES_CMAC: |
| 2010 | key.algo = CRYPTO_ALGO_AES_CCM; |
| 2011 | WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); |
| 2012 | break; |
| 2013 | case WLAN_CIPHER_SUITE_CCMP: |
| 2014 | key.algo = CRYPTO_ALGO_AES_CCM; |
| 2015 | WL_CONN("WLAN_CIPHER_SUITE_CCMP\n"); |
| 2016 | break; |
| 2017 | default: |
| 2018 | WL_ERR("Invalid cipher (0x%x)\n", params->cipher); |
| 2019 | err = -EINVAL; |
| 2020 | goto done; |
| 2021 | } |
| 2022 | |
| 2023 | err = send_key_to_dongle(ndev, &key); /* Set the new key/index */ |
| 2024 | if (err) |
| 2025 | goto done; |
| 2026 | |
| 2027 | val = WEP_ENABLED; |
| 2028 | err = brcmf_dev_intvar_get(ndev, "wsec", &wsec); |
| 2029 | if (err) { |
| 2030 | WL_ERR("get wsec error (%d)\n", err); |
| 2031 | goto done; |
| 2032 | } |
| 2033 | wsec &= ~(WEP_ENABLED); |
| 2034 | wsec |= val; |
| 2035 | err = brcmf_dev_intvar_set(ndev, "wsec", wsec); |
| 2036 | if (err) { |
| 2037 | WL_ERR("set wsec error (%d)\n", err); |
| 2038 | goto done; |
| 2039 | } |
| 2040 | |
| 2041 | val = 1; /* assume shared key. otherwise 0 */ |
| 2042 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AUTH, &val); |
| 2043 | if (err) |
| 2044 | WL_ERR("WLC_SET_AUTH error (%d)\n", err); |
| 2045 | done: |
| 2046 | WL_TRACE("Exit\n"); |
| 2047 | return err; |
| 2048 | } |
| 2049 | |
| 2050 | static s32 |
| 2051 | brcmf_cfg80211_del_key(struct wiphy *wiphy, struct net_device *ndev, |
| 2052 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
| 2053 | { |
| 2054 | struct brcmf_wsec_key key; |
| 2055 | s32 err = 0; |
| 2056 | s32 val; |
| 2057 | s32 wsec; |
| 2058 | |
| 2059 | WL_TRACE("Enter\n"); |
| 2060 | if (!check_sys_up(wiphy)) |
| 2061 | return -EIO; |
| 2062 | |
| 2063 | memset(&key, 0, sizeof(key)); |
| 2064 | |
| 2065 | key.index = (u32) key_idx; |
| 2066 | key.flags = BRCMF_PRIMARY_KEY; |
| 2067 | key.algo = CRYPTO_ALGO_OFF; |
| 2068 | |
| 2069 | WL_CONN("key index (%d)\n", key_idx); |
| 2070 | |
| 2071 | /* Set the new key/index */ |
| 2072 | err = send_key_to_dongle(ndev, &key); |
| 2073 | if (err) { |
| 2074 | if (err == -EINVAL) { |
| 2075 | if (key.index >= DOT11_MAX_DEFAULT_KEYS) |
| 2076 | /* we ignore this key index in this case */ |
| 2077 | WL_ERR("invalid key index (%d)\n", key_idx); |
| 2078 | } |
| 2079 | /* Ignore this error, may happen during DISASSOC */ |
| 2080 | err = -EAGAIN; |
| 2081 | goto done; |
| 2082 | } |
| 2083 | |
| 2084 | val = 0; |
| 2085 | err = brcmf_dev_intvar_get(ndev, "wsec", &wsec); |
| 2086 | if (err) { |
| 2087 | WL_ERR("get wsec error (%d)\n", err); |
| 2088 | /* Ignore this error, may happen during DISASSOC */ |
| 2089 | err = -EAGAIN; |
| 2090 | goto done; |
| 2091 | } |
| 2092 | wsec &= ~(WEP_ENABLED); |
| 2093 | wsec |= val; |
| 2094 | err = brcmf_dev_intvar_set(ndev, "wsec", wsec); |
| 2095 | if (err) { |
| 2096 | WL_ERR("set wsec error (%d)\n", err); |
| 2097 | /* Ignore this error, may happen during DISASSOC */ |
| 2098 | err = -EAGAIN; |
| 2099 | goto done; |
| 2100 | } |
| 2101 | |
| 2102 | val = 0; /* assume open key. otherwise 1 */ |
| 2103 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_AUTH, &val); |
| 2104 | if (err) { |
| 2105 | WL_ERR("WLC_SET_AUTH error (%d)\n", err); |
| 2106 | /* Ignore this error, may happen during DISASSOC */ |
| 2107 | err = -EAGAIN; |
| 2108 | } |
| 2109 | done: |
| 2110 | WL_TRACE("Exit\n"); |
| 2111 | return err; |
| 2112 | } |
| 2113 | |
| 2114 | static s32 |
| 2115 | brcmf_cfg80211_get_key(struct wiphy *wiphy, struct net_device *ndev, |
| 2116 | u8 key_idx, bool pairwise, const u8 *mac_addr, void *cookie, |
| 2117 | void (*callback) (void *cookie, struct key_params * params)) |
| 2118 | { |
| 2119 | struct key_params params; |
| 2120 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 2121 | struct brcmf_cfg80211_security *sec; |
| 2122 | s32 wsec; |
| 2123 | s32 err = 0; |
| 2124 | |
| 2125 | WL_TRACE("Enter\n"); |
| 2126 | WL_CONN("key index (%d)\n", key_idx); |
| 2127 | if (!check_sys_up(wiphy)) |
| 2128 | return -EIO; |
| 2129 | |
| 2130 | memset(¶ms, 0, sizeof(params)); |
| 2131 | |
| 2132 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_WSEC, &wsec); |
| 2133 | if (err) { |
| 2134 | WL_ERR("WLC_GET_WSEC error (%d)\n", err); |
| 2135 | /* Ignore this error, may happen during DISASSOC */ |
| 2136 | err = -EAGAIN; |
| 2137 | goto done; |
| 2138 | } |
| 2139 | switch (wsec) { |
| 2140 | case WEP_ENABLED: |
| 2141 | sec = brcmf_read_prof(cfg_priv, WL_PROF_SEC); |
| 2142 | if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP40) { |
| 2143 | params.cipher = WLAN_CIPHER_SUITE_WEP40; |
| 2144 | WL_CONN("WLAN_CIPHER_SUITE_WEP40\n"); |
| 2145 | } else if (sec->cipher_pairwise & WLAN_CIPHER_SUITE_WEP104) { |
| 2146 | params.cipher = WLAN_CIPHER_SUITE_WEP104; |
| 2147 | WL_CONN("WLAN_CIPHER_SUITE_WEP104\n"); |
| 2148 | } |
| 2149 | break; |
| 2150 | case TKIP_ENABLED: |
| 2151 | params.cipher = WLAN_CIPHER_SUITE_TKIP; |
| 2152 | WL_CONN("WLAN_CIPHER_SUITE_TKIP\n"); |
| 2153 | break; |
| 2154 | case AES_ENABLED: |
| 2155 | params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; |
| 2156 | WL_CONN("WLAN_CIPHER_SUITE_AES_CMAC\n"); |
| 2157 | break; |
| 2158 | default: |
| 2159 | WL_ERR("Invalid algo (0x%x)\n", wsec); |
| 2160 | err = -EINVAL; |
| 2161 | goto done; |
| 2162 | } |
| 2163 | callback(cookie, ¶ms); |
| 2164 | |
| 2165 | done: |
| 2166 | WL_TRACE("Exit\n"); |
| 2167 | return err; |
| 2168 | } |
| 2169 | |
| 2170 | static s32 |
| 2171 | brcmf_cfg80211_config_default_mgmt_key(struct wiphy *wiphy, |
| 2172 | struct net_device *ndev, u8 key_idx) |
| 2173 | { |
| 2174 | WL_INFO("Not supported\n"); |
| 2175 | |
| 2176 | return -EOPNOTSUPP; |
| 2177 | } |
| 2178 | |
| 2179 | static s32 |
| 2180 | brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, |
| 2181 | u8 *mac, struct station_info *sinfo) |
| 2182 | { |
| 2183 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 2184 | struct brcmf_scb_val_le scb_val; |
| 2185 | int rssi; |
| 2186 | s32 rate; |
| 2187 | s32 err = 0; |
| 2188 | u8 *bssid = brcmf_read_prof(cfg_priv, WL_PROF_BSSID); |
| 2189 | |
| 2190 | WL_TRACE("Enter\n"); |
| 2191 | if (!check_sys_up(wiphy)) |
| 2192 | return -EIO; |
| 2193 | |
| 2194 | if (memcmp(mac, bssid, ETH_ALEN)) { |
| 2195 | WL_ERR("Wrong Mac address cfg_mac-%X:%X:%X:%X:%X:%X" |
| 2196 | "wl_bssid-%X:%X:%X:%X:%X:%X\n", |
| 2197 | mac[0], mac[1], mac[2], mac[3], mac[4], mac[5], |
| 2198 | bssid[0], bssid[1], bssid[2], bssid[3], |
| 2199 | bssid[4], bssid[5]); |
| 2200 | err = -ENOENT; |
| 2201 | goto done; |
| 2202 | } |
| 2203 | |
| 2204 | /* Report the current tx rate */ |
| 2205 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_GET_RATE, &rate); |
| 2206 | if (err) { |
| 2207 | WL_ERR("Could not get rate (%d)\n", err); |
| 2208 | } else { |
| 2209 | sinfo->filled |= STATION_INFO_TX_BITRATE; |
| 2210 | sinfo->txrate.legacy = rate * 5; |
| 2211 | WL_CONN("Rate %d Mbps\n", rate / 2); |
| 2212 | } |
| 2213 | |
| 2214 | if (test_bit(WL_STATUS_CONNECTED, &cfg_priv->status)) { |
Hante Meuleman | 7f6c562 | 2012-08-30 10:05:37 +0200 | [diff] [blame] | 2215 | memset(&scb_val, 0, sizeof(scb_val)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2216 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_RSSI, &scb_val, |
| 2217 | sizeof(struct brcmf_scb_val_le)); |
Hante Meuleman | 7f6c562 | 2012-08-30 10:05:37 +0200 | [diff] [blame] | 2218 | if (err) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2219 | WL_ERR("Could not get rssi (%d)\n", err); |
Hante Meuleman | 7f6c562 | 2012-08-30 10:05:37 +0200 | [diff] [blame] | 2220 | } else { |
| 2221 | rssi = le32_to_cpu(scb_val.val); |
| 2222 | sinfo->filled |= STATION_INFO_SIGNAL; |
| 2223 | sinfo->signal = rssi; |
| 2224 | WL_CONN("RSSI %d dBm\n", rssi); |
| 2225 | } |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2226 | } |
| 2227 | |
| 2228 | done: |
| 2229 | WL_TRACE("Exit\n"); |
| 2230 | return err; |
| 2231 | } |
| 2232 | |
| 2233 | static s32 |
| 2234 | brcmf_cfg80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *ndev, |
| 2235 | bool enabled, s32 timeout) |
| 2236 | { |
| 2237 | s32 pm; |
| 2238 | s32 err = 0; |
| 2239 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 2240 | |
| 2241 | WL_TRACE("Enter\n"); |
| 2242 | |
| 2243 | /* |
| 2244 | * Powersave enable/disable request is coming from the |
| 2245 | * cfg80211 even before the interface is up. In that |
| 2246 | * scenario, driver will be storing the power save |
| 2247 | * preference in cfg_priv struct to apply this to |
| 2248 | * FW later while initializing the dongle |
| 2249 | */ |
| 2250 | cfg_priv->pwr_save = enabled; |
| 2251 | if (!test_bit(WL_STATUS_READY, &cfg_priv->status)) { |
| 2252 | |
| 2253 | WL_INFO("Device is not ready," |
| 2254 | "storing the value in cfg_priv struct\n"); |
| 2255 | goto done; |
| 2256 | } |
| 2257 | |
| 2258 | pm = enabled ? PM_FAST : PM_OFF; |
| 2259 | WL_INFO("power save %s\n", (pm ? "enabled" : "disabled")); |
| 2260 | |
| 2261 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &pm); |
| 2262 | if (err) { |
| 2263 | if (err == -ENODEV) |
| 2264 | WL_ERR("net_device is not ready yet\n"); |
| 2265 | else |
| 2266 | WL_ERR("error (%d)\n", err); |
| 2267 | } |
| 2268 | done: |
| 2269 | WL_TRACE("Exit\n"); |
| 2270 | return err; |
| 2271 | } |
| 2272 | |
| 2273 | static s32 |
| 2274 | brcmf_cfg80211_set_bitrate_mask(struct wiphy *wiphy, struct net_device *ndev, |
| 2275 | const u8 *addr, |
| 2276 | const struct cfg80211_bitrate_mask *mask) |
| 2277 | { |
| 2278 | struct brcm_rateset_le rateset_le; |
| 2279 | s32 rate; |
| 2280 | s32 val; |
| 2281 | s32 err_bg; |
| 2282 | s32 err_a; |
| 2283 | u32 legacy; |
| 2284 | s32 err = 0; |
| 2285 | |
| 2286 | WL_TRACE("Enter\n"); |
| 2287 | if (!check_sys_up(wiphy)) |
| 2288 | return -EIO; |
| 2289 | |
| 2290 | /* addr param is always NULL. ignore it */ |
| 2291 | /* Get current rateset */ |
| 2292 | err = brcmf_exec_dcmd(ndev, BRCM_GET_CURR_RATESET, &rateset_le, |
| 2293 | sizeof(rateset_le)); |
| 2294 | if (err) { |
| 2295 | WL_ERR("could not get current rateset (%d)\n", err); |
| 2296 | goto done; |
| 2297 | } |
| 2298 | |
| 2299 | legacy = ffs(mask->control[IEEE80211_BAND_2GHZ].legacy & 0xFFFF); |
| 2300 | if (!legacy) |
| 2301 | legacy = ffs(mask->control[IEEE80211_BAND_5GHZ].legacy & |
| 2302 | 0xFFFF); |
| 2303 | |
| 2304 | val = wl_g_rates[legacy - 1].bitrate * 100000; |
| 2305 | |
| 2306 | if (val < le32_to_cpu(rateset_le.count)) |
| 2307 | /* Select rate by rateset index */ |
| 2308 | rate = rateset_le.rates[val] & 0x7f; |
| 2309 | else |
| 2310 | /* Specified rate in bps */ |
| 2311 | rate = val / 500000; |
| 2312 | |
| 2313 | WL_CONN("rate %d mbps\n", rate / 2); |
| 2314 | |
| 2315 | /* |
| 2316 | * |
| 2317 | * Set rate override, |
| 2318 | * Since the is a/b/g-blind, both a/bg_rate are enforced. |
| 2319 | */ |
| 2320 | err_bg = brcmf_dev_intvar_set(ndev, "bg_rate", rate); |
| 2321 | err_a = brcmf_dev_intvar_set(ndev, "a_rate", rate); |
| 2322 | if (err_bg && err_a) { |
| 2323 | WL_ERR("could not set fixed rate (%d) (%d)\n", err_bg, err_a); |
| 2324 | err = err_bg | err_a; |
| 2325 | } |
| 2326 | |
| 2327 | done: |
| 2328 | WL_TRACE("Exit\n"); |
| 2329 | return err; |
| 2330 | } |
| 2331 | |
| 2332 | static s32 brcmf_inform_single_bss(struct brcmf_cfg80211_priv *cfg_priv, |
Roland Vossen | d34bf64 | 2011-10-18 14:03:01 +0200 | [diff] [blame] | 2333 | struct brcmf_bss_info_le *bi) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2334 | { |
| 2335 | struct wiphy *wiphy = cfg_to_wiphy(cfg_priv); |
| 2336 | struct ieee80211_channel *notify_channel; |
| 2337 | struct cfg80211_bss *bss; |
| 2338 | struct ieee80211_supported_band *band; |
| 2339 | s32 err = 0; |
| 2340 | u16 channel; |
| 2341 | u32 freq; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2342 | u16 notify_capability; |
| 2343 | u16 notify_interval; |
| 2344 | u8 *notify_ie; |
| 2345 | size_t notify_ielen; |
| 2346 | s32 notify_signal; |
| 2347 | |
| 2348 | if (le32_to_cpu(bi->length) > WL_BSS_INFO_MAX) { |
| 2349 | WL_ERR("Bss info is larger than buffer. Discarding\n"); |
| 2350 | return 0; |
| 2351 | } |
| 2352 | |
| 2353 | channel = bi->ctl_ch ? bi->ctl_ch : |
| 2354 | CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); |
| 2355 | |
| 2356 | if (channel <= CH_MAX_2G_CHANNEL) |
| 2357 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
| 2358 | else |
| 2359 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; |
| 2360 | |
| 2361 | freq = ieee80211_channel_to_frequency(channel, band->band); |
| 2362 | notify_channel = ieee80211_get_channel(wiphy, freq); |
| 2363 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2364 | notify_capability = le16_to_cpu(bi->capability); |
| 2365 | notify_interval = le16_to_cpu(bi->beacon_period); |
| 2366 | notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); |
| 2367 | notify_ielen = le32_to_cpu(bi->ie_length); |
| 2368 | notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; |
| 2369 | |
| 2370 | WL_CONN("bssid: %2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X\n", |
| 2371 | bi->BSSID[0], bi->BSSID[1], bi->BSSID[2], |
| 2372 | bi->BSSID[3], bi->BSSID[4], bi->BSSID[5]); |
| 2373 | WL_CONN("Channel: %d(%d)\n", channel, freq); |
| 2374 | WL_CONN("Capability: %X\n", notify_capability); |
| 2375 | WL_CONN("Beacon interval: %d\n", notify_interval); |
| 2376 | WL_CONN("Signal: %d\n", notify_signal); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2377 | |
| 2378 | bss = cfg80211_inform_bss(wiphy, notify_channel, (const u8 *)bi->BSSID, |
Johannes Berg | 8e6cffb | 2012-03-13 13:57:03 +0100 | [diff] [blame] | 2379 | 0, notify_capability, notify_interval, notify_ie, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2380 | notify_ielen, notify_signal, GFP_KERNEL); |
| 2381 | |
Franky Lin | e78946e | 2011-11-10 20:30:34 +0100 | [diff] [blame] | 2382 | if (!bss) |
| 2383 | return -ENOMEM; |
| 2384 | |
| 2385 | cfg80211_put_bss(bss); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2386 | |
| 2387 | return err; |
| 2388 | } |
| 2389 | |
Roland Vossen | 6f09be0 | 2011-10-18 14:03:02 +0200 | [diff] [blame] | 2390 | static struct brcmf_bss_info_le * |
| 2391 | next_bss_le(struct brcmf_scan_results *list, struct brcmf_bss_info_le *bss) |
| 2392 | { |
| 2393 | if (bss == NULL) |
| 2394 | return list->bss_info_le; |
| 2395 | return (struct brcmf_bss_info_le *)((unsigned long)bss + |
| 2396 | le32_to_cpu(bss->length)); |
| 2397 | } |
| 2398 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2399 | static s32 brcmf_inform_bss(struct brcmf_cfg80211_priv *cfg_priv) |
| 2400 | { |
| 2401 | struct brcmf_scan_results *bss_list; |
Roland Vossen | d34bf64 | 2011-10-18 14:03:01 +0200 | [diff] [blame] | 2402 | struct brcmf_bss_info_le *bi = NULL; /* must be initialized */ |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2403 | s32 err = 0; |
| 2404 | int i; |
| 2405 | |
| 2406 | bss_list = cfg_priv->bss_list; |
| 2407 | if (bss_list->version != BRCMF_BSS_INFO_VERSION) { |
| 2408 | WL_ERR("Version %d != WL_BSS_INFO_VERSION\n", |
| 2409 | bss_list->version); |
| 2410 | return -EOPNOTSUPP; |
| 2411 | } |
| 2412 | WL_SCAN("scanned AP count (%d)\n", bss_list->count); |
| 2413 | for (i = 0; i < bss_list->count && i < WL_AP_MAX; i++) { |
Roland Vossen | 6f09be0 | 2011-10-18 14:03:02 +0200 | [diff] [blame] | 2414 | bi = next_bss_le(bss_list, bi); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2415 | err = brcmf_inform_single_bss(cfg_priv, bi); |
| 2416 | if (err) |
| 2417 | break; |
| 2418 | } |
| 2419 | return err; |
| 2420 | } |
| 2421 | |
| 2422 | static s32 wl_inform_ibss(struct brcmf_cfg80211_priv *cfg_priv, |
| 2423 | struct net_device *ndev, const u8 *bssid) |
| 2424 | { |
| 2425 | struct wiphy *wiphy = cfg_to_wiphy(cfg_priv); |
| 2426 | struct ieee80211_channel *notify_channel; |
Roland Vossen | d34bf64 | 2011-10-18 14:03:01 +0200 | [diff] [blame] | 2427 | struct brcmf_bss_info_le *bi = NULL; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2428 | struct ieee80211_supported_band *band; |
Franky Lin | e78946e | 2011-11-10 20:30:34 +0100 | [diff] [blame] | 2429 | struct cfg80211_bss *bss; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2430 | u8 *buf = NULL; |
| 2431 | s32 err = 0; |
| 2432 | u16 channel; |
| 2433 | u32 freq; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2434 | u16 notify_capability; |
| 2435 | u16 notify_interval; |
| 2436 | u8 *notify_ie; |
| 2437 | size_t notify_ielen; |
| 2438 | s32 notify_signal; |
| 2439 | |
| 2440 | WL_TRACE("Enter\n"); |
| 2441 | |
| 2442 | buf = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); |
| 2443 | if (buf == NULL) { |
| 2444 | err = -ENOMEM; |
| 2445 | goto CleanUp; |
| 2446 | } |
| 2447 | |
| 2448 | *(__le32 *)buf = cpu_to_le32(WL_BSS_INFO_MAX); |
| 2449 | |
| 2450 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_BSS_INFO, buf, WL_BSS_INFO_MAX); |
| 2451 | if (err) { |
| 2452 | WL_ERR("WLC_GET_BSS_INFO failed: %d\n", err); |
| 2453 | goto CleanUp; |
| 2454 | } |
| 2455 | |
Roland Vossen | d34bf64 | 2011-10-18 14:03:01 +0200 | [diff] [blame] | 2456 | bi = (struct brcmf_bss_info_le *)(buf + 4); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2457 | |
| 2458 | channel = bi->ctl_ch ? bi->ctl_ch : |
| 2459 | CHSPEC_CHANNEL(le16_to_cpu(bi->chanspec)); |
| 2460 | |
| 2461 | if (channel <= CH_MAX_2G_CHANNEL) |
| 2462 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
| 2463 | else |
| 2464 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; |
| 2465 | |
| 2466 | freq = ieee80211_channel_to_frequency(channel, band->band); |
| 2467 | notify_channel = ieee80211_get_channel(wiphy, freq); |
| 2468 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2469 | notify_capability = le16_to_cpu(bi->capability); |
| 2470 | notify_interval = le16_to_cpu(bi->beacon_period); |
| 2471 | notify_ie = (u8 *)bi + le16_to_cpu(bi->ie_offset); |
| 2472 | notify_ielen = le32_to_cpu(bi->ie_length); |
| 2473 | notify_signal = (s16)le16_to_cpu(bi->RSSI) * 100; |
| 2474 | |
| 2475 | WL_CONN("channel: %d(%d)\n", channel, freq); |
| 2476 | WL_CONN("capability: %X\n", notify_capability); |
| 2477 | WL_CONN("beacon interval: %d\n", notify_interval); |
| 2478 | WL_CONN("signal: %d\n", notify_signal); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2479 | |
Franky Lin | e78946e | 2011-11-10 20:30:34 +0100 | [diff] [blame] | 2480 | bss = cfg80211_inform_bss(wiphy, notify_channel, bssid, |
Johannes Berg | 8e6cffb | 2012-03-13 13:57:03 +0100 | [diff] [blame] | 2481 | 0, notify_capability, notify_interval, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2482 | notify_ie, notify_ielen, notify_signal, GFP_KERNEL); |
| 2483 | |
Franky Lin | e78946e | 2011-11-10 20:30:34 +0100 | [diff] [blame] | 2484 | if (!bss) { |
| 2485 | err = -ENOMEM; |
| 2486 | goto CleanUp; |
| 2487 | } |
| 2488 | |
| 2489 | cfg80211_put_bss(bss); |
| 2490 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2491 | CleanUp: |
| 2492 | |
| 2493 | kfree(buf); |
| 2494 | |
| 2495 | WL_TRACE("Exit\n"); |
| 2496 | |
| 2497 | return err; |
| 2498 | } |
| 2499 | |
| 2500 | static bool brcmf_is_ibssmode(struct brcmf_cfg80211_priv *cfg_priv) |
| 2501 | { |
| 2502 | return cfg_priv->conf->mode == WL_MODE_IBSS; |
| 2503 | } |
| 2504 | |
Alwin Beukers | f8e4b41 | 2011-10-12 20:51:28 +0200 | [diff] [blame] | 2505 | /* |
| 2506 | * Traverse a string of 1-byte tag/1-byte length/variable-length value |
| 2507 | * triples, returning a pointer to the substring whose first element |
| 2508 | * matches tag |
| 2509 | */ |
| 2510 | static struct brcmf_tlv *brcmf_parse_tlvs(void *buf, int buflen, uint key) |
| 2511 | { |
| 2512 | struct brcmf_tlv *elt; |
| 2513 | int totlen; |
| 2514 | |
| 2515 | elt = (struct brcmf_tlv *) buf; |
| 2516 | totlen = buflen; |
| 2517 | |
| 2518 | /* find tagged parameter */ |
| 2519 | while (totlen >= 2) { |
| 2520 | int len = elt->len; |
| 2521 | |
| 2522 | /* validate remaining totlen */ |
| 2523 | if ((elt->id == key) && (totlen >= (len + 2))) |
| 2524 | return elt; |
| 2525 | |
| 2526 | elt = (struct brcmf_tlv *) ((u8 *) elt + (len + 2)); |
| 2527 | totlen -= (len + 2); |
| 2528 | } |
| 2529 | |
| 2530 | return NULL; |
| 2531 | } |
| 2532 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2533 | static s32 brcmf_update_bss_info(struct brcmf_cfg80211_priv *cfg_priv) |
| 2534 | { |
Roland Vossen | d34bf64 | 2011-10-18 14:03:01 +0200 | [diff] [blame] | 2535 | struct brcmf_bss_info_le *bi; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2536 | struct brcmf_ssid *ssid; |
Alwin Beukers | f8e4b41 | 2011-10-12 20:51:28 +0200 | [diff] [blame] | 2537 | struct brcmf_tlv *tim; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2538 | u16 beacon_interval; |
| 2539 | u8 dtim_period; |
| 2540 | size_t ie_len; |
| 2541 | u8 *ie; |
| 2542 | s32 err = 0; |
| 2543 | |
| 2544 | WL_TRACE("Enter\n"); |
| 2545 | if (brcmf_is_ibssmode(cfg_priv)) |
| 2546 | return err; |
| 2547 | |
| 2548 | ssid = (struct brcmf_ssid *)brcmf_read_prof(cfg_priv, WL_PROF_SSID); |
| 2549 | |
| 2550 | *(__le32 *)cfg_priv->extra_buf = cpu_to_le32(WL_EXTRA_BUF_MAX); |
| 2551 | err = brcmf_exec_dcmd(cfg_to_ndev(cfg_priv), BRCMF_C_GET_BSS_INFO, |
| 2552 | cfg_priv->extra_buf, WL_EXTRA_BUF_MAX); |
| 2553 | if (err) { |
| 2554 | WL_ERR("Could not get bss info %d\n", err); |
| 2555 | goto update_bss_info_out; |
| 2556 | } |
| 2557 | |
Roland Vossen | d34bf64 | 2011-10-18 14:03:01 +0200 | [diff] [blame] | 2558 | bi = (struct brcmf_bss_info_le *)(cfg_priv->extra_buf + 4); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2559 | err = brcmf_inform_single_bss(cfg_priv, bi); |
| 2560 | if (err) |
| 2561 | goto update_bss_info_out; |
| 2562 | |
| 2563 | ie = ((u8 *)bi) + le16_to_cpu(bi->ie_offset); |
| 2564 | ie_len = le32_to_cpu(bi->ie_length); |
| 2565 | beacon_interval = le16_to_cpu(bi->beacon_period); |
| 2566 | |
Alwin Beukers | f8e4b41 | 2011-10-12 20:51:28 +0200 | [diff] [blame] | 2567 | tim = brcmf_parse_tlvs(ie, ie_len, WLAN_EID_TIM); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2568 | if (tim) |
| 2569 | dtim_period = tim->data[1]; |
| 2570 | else { |
| 2571 | /* |
| 2572 | * active scan was done so we could not get dtim |
| 2573 | * information out of probe response. |
| 2574 | * so we speficially query dtim information to dongle. |
| 2575 | */ |
| 2576 | u32 var; |
| 2577 | err = brcmf_dev_intvar_get(cfg_to_ndev(cfg_priv), |
| 2578 | "dtim_assoc", &var); |
| 2579 | if (err) { |
| 2580 | WL_ERR("wl dtim_assoc failed (%d)\n", err); |
| 2581 | goto update_bss_info_out; |
| 2582 | } |
| 2583 | dtim_period = (u8)var; |
| 2584 | } |
| 2585 | |
| 2586 | brcmf_update_prof(cfg_priv, NULL, &beacon_interval, WL_PROF_BEACONINT); |
| 2587 | brcmf_update_prof(cfg_priv, NULL, &dtim_period, WL_PROF_DTIMPERIOD); |
| 2588 | |
| 2589 | update_bss_info_out: |
| 2590 | WL_TRACE("Exit"); |
| 2591 | return err; |
| 2592 | } |
| 2593 | |
| 2594 | static void brcmf_term_iscan(struct brcmf_cfg80211_priv *cfg_priv) |
| 2595 | { |
| 2596 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv); |
| 2597 | struct brcmf_ssid ssid; |
| 2598 | |
| 2599 | if (cfg_priv->iscan_on) { |
| 2600 | iscan->state = WL_ISCAN_STATE_IDLE; |
| 2601 | |
| 2602 | if (iscan->timer_on) { |
| 2603 | del_timer_sync(&iscan->timer); |
| 2604 | iscan->timer_on = 0; |
| 2605 | } |
| 2606 | |
| 2607 | cancel_work_sync(&iscan->work); |
| 2608 | |
| 2609 | /* Abort iscan running in FW */ |
| 2610 | memset(&ssid, 0, sizeof(ssid)); |
| 2611 | brcmf_run_iscan(iscan, &ssid, WL_SCAN_ACTION_ABORT); |
| 2612 | } |
| 2613 | } |
| 2614 | |
| 2615 | static void brcmf_notify_iscan_complete(struct brcmf_cfg80211_iscan_ctrl *iscan, |
| 2616 | bool aborted) |
| 2617 | { |
| 2618 | struct brcmf_cfg80211_priv *cfg_priv = iscan_to_cfg(iscan); |
| 2619 | struct net_device *ndev = cfg_to_ndev(cfg_priv); |
| 2620 | |
| 2621 | if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg_priv->status)) { |
| 2622 | WL_ERR("Scan complete while device not scanning\n"); |
| 2623 | return; |
| 2624 | } |
| 2625 | if (cfg_priv->scan_request) { |
| 2626 | WL_SCAN("ISCAN Completed scan: %s\n", |
| 2627 | aborted ? "Aborted" : "Done"); |
| 2628 | cfg80211_scan_done(cfg_priv->scan_request, aborted); |
| 2629 | brcmf_set_mpc(ndev, 1); |
| 2630 | cfg_priv->scan_request = NULL; |
| 2631 | } |
| 2632 | cfg_priv->iscan_kickstart = false; |
| 2633 | } |
| 2634 | |
| 2635 | static s32 brcmf_wakeup_iscan(struct brcmf_cfg80211_iscan_ctrl *iscan) |
| 2636 | { |
| 2637 | if (iscan->state != WL_ISCAN_STATE_IDLE) { |
| 2638 | WL_SCAN("wake up iscan\n"); |
| 2639 | schedule_work(&iscan->work); |
| 2640 | return 0; |
| 2641 | } |
| 2642 | |
| 2643 | return -EIO; |
| 2644 | } |
| 2645 | |
| 2646 | static s32 |
| 2647 | brcmf_get_iscan_results(struct brcmf_cfg80211_iscan_ctrl *iscan, u32 *status, |
| 2648 | struct brcmf_scan_results **bss_list) |
| 2649 | { |
| 2650 | struct brcmf_iscan_results list; |
| 2651 | struct brcmf_scan_results *results; |
| 2652 | struct brcmf_scan_results_le *results_le; |
| 2653 | struct brcmf_iscan_results *list_buf; |
| 2654 | s32 err = 0; |
| 2655 | |
| 2656 | memset(iscan->scan_buf, 0, WL_ISCAN_BUF_MAX); |
| 2657 | list_buf = (struct brcmf_iscan_results *)iscan->scan_buf; |
| 2658 | results = &list_buf->results; |
| 2659 | results_le = &list_buf->results_le; |
| 2660 | results->buflen = BRCMF_ISCAN_RESULTS_FIXED_SIZE; |
| 2661 | results->version = 0; |
| 2662 | results->count = 0; |
| 2663 | |
| 2664 | memset(&list, 0, sizeof(list)); |
| 2665 | list.results_le.buflen = cpu_to_le32(WL_ISCAN_BUF_MAX); |
| 2666 | err = brcmf_dev_iovar_getbuf(iscan->ndev, "iscanresults", &list, |
| 2667 | BRCMF_ISCAN_RESULTS_FIXED_SIZE, |
| 2668 | iscan->scan_buf, WL_ISCAN_BUF_MAX); |
| 2669 | if (err) { |
| 2670 | WL_ERR("error (%d)\n", err); |
| 2671 | return err; |
| 2672 | } |
| 2673 | results->buflen = le32_to_cpu(results_le->buflen); |
| 2674 | results->version = le32_to_cpu(results_le->version); |
| 2675 | results->count = le32_to_cpu(results_le->count); |
| 2676 | WL_SCAN("results->count = %d\n", results_le->count); |
| 2677 | WL_SCAN("results->buflen = %d\n", results_le->buflen); |
| 2678 | *status = le32_to_cpu(list_buf->status_le); |
| 2679 | WL_SCAN("status = %d\n", *status); |
| 2680 | *bss_list = results; |
| 2681 | |
| 2682 | return err; |
| 2683 | } |
| 2684 | |
| 2685 | static s32 brcmf_iscan_done(struct brcmf_cfg80211_priv *cfg_priv) |
| 2686 | { |
| 2687 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan; |
| 2688 | s32 err = 0; |
| 2689 | |
| 2690 | iscan->state = WL_ISCAN_STATE_IDLE; |
| 2691 | brcmf_inform_bss(cfg_priv); |
| 2692 | brcmf_notify_iscan_complete(iscan, false); |
| 2693 | |
| 2694 | return err; |
| 2695 | } |
| 2696 | |
| 2697 | static s32 brcmf_iscan_pending(struct brcmf_cfg80211_priv *cfg_priv) |
| 2698 | { |
| 2699 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan; |
| 2700 | s32 err = 0; |
| 2701 | |
| 2702 | /* Reschedule the timer */ |
| 2703 | mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); |
| 2704 | iscan->timer_on = 1; |
| 2705 | |
| 2706 | return err; |
| 2707 | } |
| 2708 | |
| 2709 | static s32 brcmf_iscan_inprogress(struct brcmf_cfg80211_priv *cfg_priv) |
| 2710 | { |
| 2711 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan; |
| 2712 | s32 err = 0; |
| 2713 | |
| 2714 | brcmf_inform_bss(cfg_priv); |
| 2715 | brcmf_run_iscan(iscan, NULL, BRCMF_SCAN_ACTION_CONTINUE); |
| 2716 | /* Reschedule the timer */ |
| 2717 | mod_timer(&iscan->timer, jiffies + iscan->timer_ms * HZ / 1000); |
| 2718 | iscan->timer_on = 1; |
| 2719 | |
| 2720 | return err; |
| 2721 | } |
| 2722 | |
| 2723 | static s32 brcmf_iscan_aborted(struct brcmf_cfg80211_priv *cfg_priv) |
| 2724 | { |
| 2725 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_priv->iscan; |
| 2726 | s32 err = 0; |
| 2727 | |
| 2728 | iscan->state = WL_ISCAN_STATE_IDLE; |
| 2729 | brcmf_notify_iscan_complete(iscan, true); |
| 2730 | |
| 2731 | return err; |
| 2732 | } |
| 2733 | |
| 2734 | static void brcmf_cfg80211_iscan_handler(struct work_struct *work) |
| 2735 | { |
| 2736 | struct brcmf_cfg80211_iscan_ctrl *iscan = |
| 2737 | container_of(work, struct brcmf_cfg80211_iscan_ctrl, |
| 2738 | work); |
| 2739 | struct brcmf_cfg80211_priv *cfg_priv = iscan_to_cfg(iscan); |
| 2740 | struct brcmf_cfg80211_iscan_eloop *el = &iscan->el; |
| 2741 | u32 status = BRCMF_SCAN_RESULTS_PARTIAL; |
| 2742 | |
| 2743 | if (iscan->timer_on) { |
| 2744 | del_timer_sync(&iscan->timer); |
| 2745 | iscan->timer_on = 0; |
| 2746 | } |
| 2747 | |
| 2748 | if (brcmf_get_iscan_results(iscan, &status, &cfg_priv->bss_list)) { |
| 2749 | status = BRCMF_SCAN_RESULTS_ABORTED; |
| 2750 | WL_ERR("Abort iscan\n"); |
| 2751 | } |
| 2752 | |
| 2753 | el->handler[status](cfg_priv); |
| 2754 | } |
| 2755 | |
| 2756 | static void brcmf_iscan_timer(unsigned long data) |
| 2757 | { |
| 2758 | struct brcmf_cfg80211_iscan_ctrl *iscan = |
| 2759 | (struct brcmf_cfg80211_iscan_ctrl *)data; |
| 2760 | |
| 2761 | if (iscan) { |
| 2762 | iscan->timer_on = 0; |
| 2763 | WL_SCAN("timer expired\n"); |
| 2764 | brcmf_wakeup_iscan(iscan); |
| 2765 | } |
| 2766 | } |
| 2767 | |
| 2768 | static s32 brcmf_invoke_iscan(struct brcmf_cfg80211_priv *cfg_priv) |
| 2769 | { |
| 2770 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv); |
| 2771 | |
| 2772 | if (cfg_priv->iscan_on) { |
| 2773 | iscan->state = WL_ISCAN_STATE_IDLE; |
| 2774 | INIT_WORK(&iscan->work, brcmf_cfg80211_iscan_handler); |
| 2775 | } |
| 2776 | |
| 2777 | return 0; |
| 2778 | } |
| 2779 | |
| 2780 | static void brcmf_init_iscan_eloop(struct brcmf_cfg80211_iscan_eloop *el) |
| 2781 | { |
| 2782 | memset(el, 0, sizeof(*el)); |
| 2783 | el->handler[BRCMF_SCAN_RESULTS_SUCCESS] = brcmf_iscan_done; |
| 2784 | el->handler[BRCMF_SCAN_RESULTS_PARTIAL] = brcmf_iscan_inprogress; |
| 2785 | el->handler[BRCMF_SCAN_RESULTS_PENDING] = brcmf_iscan_pending; |
| 2786 | el->handler[BRCMF_SCAN_RESULTS_ABORTED] = brcmf_iscan_aborted; |
| 2787 | el->handler[BRCMF_SCAN_RESULTS_NO_MEM] = brcmf_iscan_aborted; |
| 2788 | } |
| 2789 | |
| 2790 | static s32 brcmf_init_iscan(struct brcmf_cfg80211_priv *cfg_priv) |
| 2791 | { |
| 2792 | struct brcmf_cfg80211_iscan_ctrl *iscan = cfg_to_iscan(cfg_priv); |
| 2793 | int err = 0; |
| 2794 | |
| 2795 | if (cfg_priv->iscan_on) { |
| 2796 | iscan->ndev = cfg_to_ndev(cfg_priv); |
| 2797 | brcmf_init_iscan_eloop(&iscan->el); |
| 2798 | iscan->timer_ms = WL_ISCAN_TIMER_INTERVAL_MS; |
| 2799 | init_timer(&iscan->timer); |
| 2800 | iscan->timer.data = (unsigned long) iscan; |
| 2801 | iscan->timer.function = brcmf_iscan_timer; |
| 2802 | err = brcmf_invoke_iscan(cfg_priv); |
| 2803 | if (!err) |
| 2804 | iscan->data = cfg_priv; |
| 2805 | } |
| 2806 | |
| 2807 | return err; |
| 2808 | } |
| 2809 | |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame^] | 2810 | static void brcmf_cfg80211_escan_timeout_worker(struct work_struct *work) |
| 2811 | { |
| 2812 | struct brcmf_cfg80211_priv *cfg_priv = |
| 2813 | container_of(work, struct brcmf_cfg80211_priv, |
| 2814 | escan_timeout_work); |
| 2815 | |
| 2816 | brcmf_notify_escan_complete(cfg_priv, |
| 2817 | cfg_priv->escan_info.ndev, true, true); |
| 2818 | } |
| 2819 | |
| 2820 | static void brcmf_escan_timeout(unsigned long data) |
| 2821 | { |
| 2822 | struct brcmf_cfg80211_priv *cfg_priv = |
| 2823 | (struct brcmf_cfg80211_priv *)data; |
| 2824 | |
| 2825 | if (cfg_priv->scan_request) { |
| 2826 | WL_ERR("timer expired\n"); |
| 2827 | if (cfg_priv->escan_on) |
| 2828 | schedule_work(&cfg_priv->escan_timeout_work); |
| 2829 | } |
| 2830 | } |
| 2831 | |
| 2832 | static s32 |
| 2833 | brcmf_compare_update_same_bss(struct brcmf_bss_info_le *bss, |
| 2834 | struct brcmf_bss_info_le *bss_info_le) |
| 2835 | { |
| 2836 | if (!memcmp(&bss_info_le->BSSID, &bss->BSSID, ETH_ALEN) && |
| 2837 | (CHSPEC_BAND(le16_to_cpu(bss_info_le->chanspec)) == |
| 2838 | CHSPEC_BAND(le16_to_cpu(bss->chanspec))) && |
| 2839 | bss_info_le->SSID_len == bss->SSID_len && |
| 2840 | !memcmp(bss_info_le->SSID, bss->SSID, bss_info_le->SSID_len)) { |
| 2841 | if ((bss->flags & WLC_BSS_RSSI_ON_CHANNEL) == |
| 2842 | (bss_info_le->flags & WLC_BSS_RSSI_ON_CHANNEL)) { |
| 2843 | /* preserve max RSSI if the measurements are |
| 2844 | * both on-channel or both off-channel |
| 2845 | */ |
| 2846 | if (bss_info_le->RSSI > bss->RSSI) |
| 2847 | bss->RSSI = bss_info_le->RSSI; |
| 2848 | } else if ((bss->flags & WLC_BSS_RSSI_ON_CHANNEL) && |
| 2849 | (bss_info_le->flags & WLC_BSS_RSSI_ON_CHANNEL) == 0) { |
| 2850 | /* preserve the on-channel rssi measurement |
| 2851 | * if the new measurement is off channel |
| 2852 | */ |
| 2853 | bss->RSSI = bss_info_le->RSSI; |
| 2854 | bss->flags |= WLC_BSS_RSSI_ON_CHANNEL; |
| 2855 | } |
| 2856 | return 1; |
| 2857 | } |
| 2858 | return 0; |
| 2859 | } |
| 2860 | |
| 2861 | static s32 |
| 2862 | brcmf_cfg80211_escan_handler(struct brcmf_cfg80211_priv *cfg_priv, |
| 2863 | struct net_device *ndev, |
| 2864 | const struct brcmf_event_msg *e, void *data) |
| 2865 | { |
| 2866 | s32 status; |
| 2867 | s32 err = 0; |
| 2868 | struct brcmf_escan_result_le *escan_result_le; |
| 2869 | struct brcmf_bss_info_le *bss_info_le; |
| 2870 | struct brcmf_bss_info_le *bss = NULL; |
| 2871 | u32 bi_length; |
| 2872 | struct brcmf_scan_results *list; |
| 2873 | u32 i; |
| 2874 | |
| 2875 | status = be32_to_cpu(e->status); |
| 2876 | |
| 2877 | if (!ndev || !cfg_priv->escan_on || |
| 2878 | !test_bit(WL_STATUS_SCANNING, &cfg_priv->status)) { |
| 2879 | WL_ERR("scan not ready ndev %p wl->escan_on %d drv_status %x\n", |
| 2880 | ndev, cfg_priv->escan_on, |
| 2881 | !test_bit(WL_STATUS_SCANNING, &cfg_priv->status)); |
| 2882 | return -EPERM; |
| 2883 | } |
| 2884 | |
| 2885 | if (status == BRCMF_E_STATUS_PARTIAL) { |
| 2886 | WL_SCAN("ESCAN Partial result\n"); |
| 2887 | escan_result_le = (struct brcmf_escan_result_le *) data; |
| 2888 | if (!escan_result_le) { |
| 2889 | WL_ERR("Invalid escan result (NULL pointer)\n"); |
| 2890 | goto exit; |
| 2891 | } |
| 2892 | if (!cfg_priv->scan_request) { |
| 2893 | WL_SCAN("result without cfg80211 request\n"); |
| 2894 | goto exit; |
| 2895 | } |
| 2896 | |
| 2897 | if (le16_to_cpu(escan_result_le->bss_count) != 1) { |
| 2898 | WL_ERR("Invalid bss_count %d: ignoring\n", |
| 2899 | escan_result_le->bss_count); |
| 2900 | goto exit; |
| 2901 | } |
| 2902 | bss_info_le = &escan_result_le->bss_info_le; |
| 2903 | |
| 2904 | bi_length = le32_to_cpu(bss_info_le->length); |
| 2905 | if (bi_length != (le32_to_cpu(escan_result_le->buflen) - |
| 2906 | WL_ESCAN_RESULTS_FIXED_SIZE)) { |
| 2907 | WL_ERR("Invalid bss_info length %d: ignoring\n", |
| 2908 | bi_length); |
| 2909 | goto exit; |
| 2910 | } |
| 2911 | |
| 2912 | if (!(cfg_to_wiphy(cfg_priv)->interface_modes & |
| 2913 | BIT(NL80211_IFTYPE_ADHOC))) { |
| 2914 | if (le16_to_cpu(bss_info_le->capability) & |
| 2915 | WLAN_CAPABILITY_IBSS) { |
| 2916 | WL_ERR("Ignoring IBSS result\n"); |
| 2917 | goto exit; |
| 2918 | } |
| 2919 | } |
| 2920 | |
| 2921 | list = (struct brcmf_scan_results *) |
| 2922 | cfg_priv->escan_info.escan_buf; |
| 2923 | if (bi_length > WL_ESCAN_BUF_SIZE - list->buflen) { |
| 2924 | WL_ERR("Buffer is too small: ignoring\n"); |
| 2925 | goto exit; |
| 2926 | } |
| 2927 | |
| 2928 | for (i = 0; i < list->count; i++) { |
| 2929 | bss = bss ? (struct brcmf_bss_info_le *) |
| 2930 | ((unsigned char *)bss + |
| 2931 | le32_to_cpu(bss->length)) : list->bss_info_le; |
| 2932 | if (brcmf_compare_update_same_bss(bss, bss_info_le)) |
| 2933 | goto exit; |
| 2934 | } |
| 2935 | memcpy(&(cfg_priv->escan_info.escan_buf[list->buflen]), |
| 2936 | bss_info_le, bi_length); |
| 2937 | list->version = le32_to_cpu(bss_info_le->version); |
| 2938 | list->buflen += bi_length; |
| 2939 | list->count++; |
| 2940 | } else { |
| 2941 | cfg_priv->escan_info.escan_state = WL_ESCAN_STATE_IDLE; |
| 2942 | if (cfg_priv->scan_request) { |
| 2943 | cfg_priv->bss_list = (struct brcmf_scan_results *) |
| 2944 | cfg_priv->escan_info.escan_buf; |
| 2945 | brcmf_inform_bss(cfg_priv); |
| 2946 | if (status == BRCMF_E_STATUS_SUCCESS) { |
| 2947 | WL_SCAN("ESCAN Completed\n"); |
| 2948 | brcmf_notify_escan_complete(cfg_priv, ndev, |
| 2949 | false, false); |
| 2950 | } else { |
| 2951 | WL_ERR("ESCAN Aborted, Event 0x%x\n", status); |
| 2952 | brcmf_notify_escan_complete(cfg_priv, ndev, |
| 2953 | true, false); |
| 2954 | } |
| 2955 | brcmf_set_mpc(ndev, 1); |
| 2956 | } else |
| 2957 | WL_ERR("Unexpected scan result 0x%x\n", status); |
| 2958 | } |
| 2959 | exit: |
| 2960 | return err; |
| 2961 | } |
| 2962 | |
| 2963 | static void brcmf_init_escan(struct brcmf_cfg80211_priv *cfg_priv) |
| 2964 | { |
| 2965 | |
| 2966 | if (cfg_priv->escan_on) { |
| 2967 | cfg_priv->el.handler[BRCMF_E_ESCAN_RESULT] = |
| 2968 | brcmf_cfg80211_escan_handler; |
| 2969 | cfg_priv->escan_info.escan_state = WL_ESCAN_STATE_IDLE; |
| 2970 | /* Init scan_timeout timer */ |
| 2971 | init_timer(&cfg_priv->escan_timeout); |
| 2972 | cfg_priv->escan_timeout.data = (unsigned long) cfg_priv; |
| 2973 | cfg_priv->escan_timeout.function = brcmf_escan_timeout; |
| 2974 | INIT_WORK(&cfg_priv->escan_timeout_work, |
| 2975 | brcmf_cfg80211_escan_timeout_worker); |
| 2976 | } |
| 2977 | } |
| 2978 | |
Alexandre Oliva | 5addc0d | 2012-01-16 14:00:12 -0500 | [diff] [blame] | 2979 | static __always_inline void brcmf_delay(u32 ms) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 2980 | { |
| 2981 | if (ms < 1000 / HZ) { |
| 2982 | cond_resched(); |
| 2983 | mdelay(ms); |
| 2984 | } else { |
| 2985 | msleep(ms); |
| 2986 | } |
| 2987 | } |
| 2988 | |
| 2989 | static s32 brcmf_cfg80211_resume(struct wiphy *wiphy) |
| 2990 | { |
| 2991 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 2992 | |
| 2993 | /* |
| 2994 | * Check for WL_STATUS_READY before any function call which |
| 2995 | * could result is bus access. Don't block the resume for |
| 2996 | * any driver error conditions |
| 2997 | */ |
| 2998 | WL_TRACE("Enter\n"); |
| 2999 | |
| 3000 | if (test_bit(WL_STATUS_READY, &cfg_priv->status)) |
| 3001 | brcmf_invoke_iscan(wiphy_to_cfg(wiphy)); |
| 3002 | |
| 3003 | WL_TRACE("Exit\n"); |
| 3004 | return 0; |
| 3005 | } |
| 3006 | |
| 3007 | static s32 brcmf_cfg80211_suspend(struct wiphy *wiphy, |
| 3008 | struct cfg80211_wowlan *wow) |
| 3009 | { |
| 3010 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 3011 | struct net_device *ndev = cfg_to_ndev(cfg_priv); |
| 3012 | |
| 3013 | WL_TRACE("Enter\n"); |
| 3014 | |
| 3015 | /* |
| 3016 | * Check for WL_STATUS_READY before any function call which |
| 3017 | * could result is bus access. Don't block the suspend for |
| 3018 | * any driver error conditions |
| 3019 | */ |
| 3020 | |
| 3021 | /* |
| 3022 | * While going to suspend if associated with AP disassociate |
| 3023 | * from AP to save power while system is in suspended state |
| 3024 | */ |
| 3025 | if ((test_bit(WL_STATUS_CONNECTED, &cfg_priv->status) || |
| 3026 | test_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) && |
| 3027 | test_bit(WL_STATUS_READY, &cfg_priv->status)) { |
| 3028 | WL_INFO("Disassociating from AP" |
| 3029 | " while entering suspend state\n"); |
| 3030 | brcmf_link_down(cfg_priv); |
| 3031 | |
| 3032 | /* |
| 3033 | * Make sure WPA_Supplicant receives all the event |
| 3034 | * generated due to DISASSOC call to the fw to keep |
| 3035 | * the state fw and WPA_Supplicant state consistent |
| 3036 | */ |
| 3037 | brcmf_delay(500); |
| 3038 | } |
| 3039 | |
| 3040 | set_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); |
| 3041 | if (test_bit(WL_STATUS_READY, &cfg_priv->status)) |
| 3042 | brcmf_term_iscan(cfg_priv); |
| 3043 | |
| 3044 | if (cfg_priv->scan_request) { |
| 3045 | /* Indidate scan abort to cfg80211 layer */ |
| 3046 | WL_INFO("Terminating scan in progress\n"); |
| 3047 | cfg80211_scan_done(cfg_priv->scan_request, true); |
| 3048 | cfg_priv->scan_request = NULL; |
| 3049 | } |
| 3050 | clear_bit(WL_STATUS_SCANNING, &cfg_priv->status); |
| 3051 | clear_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); |
| 3052 | |
| 3053 | /* Turn off watchdog timer */ |
Hante Meuleman | 35aafa9 | 2012-09-11 21:18:49 +0200 | [diff] [blame] | 3054 | if (test_bit(WL_STATUS_READY, &cfg_priv->status)) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3055 | brcmf_set_mpc(ndev, 1); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3056 | |
| 3057 | WL_TRACE("Exit\n"); |
| 3058 | |
| 3059 | return 0; |
| 3060 | } |
| 3061 | |
| 3062 | static __used s32 |
| 3063 | brcmf_dev_bufvar_set(struct net_device *ndev, s8 *name, s8 *buf, s32 len) |
| 3064 | { |
| 3065 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); |
| 3066 | u32 buflen; |
| 3067 | |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 3068 | buflen = brcmf_c_mkiovar(name, buf, len, cfg_priv->dcmd_buf, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3069 | WL_DCMD_LEN_MAX); |
| 3070 | BUG_ON(!buflen); |
| 3071 | |
| 3072 | return brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, cfg_priv->dcmd_buf, |
| 3073 | buflen); |
| 3074 | } |
| 3075 | |
| 3076 | static s32 |
| 3077 | brcmf_dev_bufvar_get(struct net_device *ndev, s8 *name, s8 *buf, |
| 3078 | s32 buf_len) |
| 3079 | { |
| 3080 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); |
| 3081 | u32 len; |
| 3082 | s32 err = 0; |
| 3083 | |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 3084 | len = brcmf_c_mkiovar(name, NULL, 0, cfg_priv->dcmd_buf, |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3085 | WL_DCMD_LEN_MAX); |
| 3086 | BUG_ON(!len); |
| 3087 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, cfg_priv->dcmd_buf, |
| 3088 | WL_DCMD_LEN_MAX); |
| 3089 | if (err) { |
| 3090 | WL_ERR("error (%d)\n", err); |
| 3091 | return err; |
| 3092 | } |
| 3093 | memcpy(buf, cfg_priv->dcmd_buf, buf_len); |
| 3094 | |
| 3095 | return err; |
| 3096 | } |
| 3097 | |
| 3098 | static __used s32 |
| 3099 | brcmf_update_pmklist(struct net_device *ndev, |
| 3100 | struct brcmf_cfg80211_pmk_list *pmk_list, s32 err) |
| 3101 | { |
| 3102 | int i, j; |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3103 | int pmkid_len; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3104 | |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3105 | pmkid_len = le32_to_cpu(pmk_list->pmkids.npmkid); |
| 3106 | |
| 3107 | WL_CONN("No of elements %d\n", pmkid_len); |
| 3108 | for (i = 0; i < pmkid_len; i++) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3109 | WL_CONN("PMKID[%d]: %pM =\n", i, |
| 3110 | &pmk_list->pmkids.pmkid[i].BSSID); |
| 3111 | for (j = 0; j < WLAN_PMKID_LEN; j++) |
| 3112 | WL_CONN("%02x\n", pmk_list->pmkids.pmkid[i].PMKID[j]); |
| 3113 | } |
| 3114 | |
| 3115 | if (!err) |
| 3116 | brcmf_dev_bufvar_set(ndev, "pmkid_info", (char *)pmk_list, |
| 3117 | sizeof(*pmk_list)); |
| 3118 | |
| 3119 | return err; |
| 3120 | } |
| 3121 | |
| 3122 | static s32 |
| 3123 | brcmf_cfg80211_set_pmksa(struct wiphy *wiphy, struct net_device *ndev, |
| 3124 | struct cfg80211_pmksa *pmksa) |
| 3125 | { |
| 3126 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 3127 | struct pmkid_list *pmkids = &cfg_priv->pmk_list->pmkids; |
| 3128 | s32 err = 0; |
| 3129 | int i; |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3130 | int pmkid_len; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3131 | |
| 3132 | WL_TRACE("Enter\n"); |
| 3133 | if (!check_sys_up(wiphy)) |
| 3134 | return -EIO; |
| 3135 | |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3136 | pmkid_len = le32_to_cpu(pmkids->npmkid); |
| 3137 | for (i = 0; i < pmkid_len; i++) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3138 | if (!memcmp(pmksa->bssid, pmkids->pmkid[i].BSSID, ETH_ALEN)) |
| 3139 | break; |
| 3140 | if (i < WL_NUM_PMKIDS_MAX) { |
| 3141 | memcpy(pmkids->pmkid[i].BSSID, pmksa->bssid, ETH_ALEN); |
| 3142 | memcpy(pmkids->pmkid[i].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3143 | if (i == pmkid_len) { |
| 3144 | pmkid_len++; |
| 3145 | pmkids->npmkid = cpu_to_le32(pmkid_len); |
| 3146 | } |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3147 | } else |
| 3148 | err = -EINVAL; |
| 3149 | |
| 3150 | WL_CONN("set_pmksa,IW_PMKSA_ADD - PMKID: %pM =\n", |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3151 | pmkids->pmkid[pmkid_len].BSSID); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3152 | for (i = 0; i < WLAN_PMKID_LEN; i++) |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3153 | WL_CONN("%02x\n", pmkids->pmkid[pmkid_len].PMKID[i]); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3154 | |
| 3155 | err = brcmf_update_pmklist(ndev, cfg_priv->pmk_list, err); |
| 3156 | |
| 3157 | WL_TRACE("Exit\n"); |
| 3158 | return err; |
| 3159 | } |
| 3160 | |
| 3161 | static s32 |
| 3162 | brcmf_cfg80211_del_pmksa(struct wiphy *wiphy, struct net_device *ndev, |
| 3163 | struct cfg80211_pmksa *pmksa) |
| 3164 | { |
| 3165 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 3166 | struct pmkid_list pmkid; |
| 3167 | s32 err = 0; |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3168 | int i, pmkid_len; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3169 | |
| 3170 | WL_TRACE("Enter\n"); |
| 3171 | if (!check_sys_up(wiphy)) |
| 3172 | return -EIO; |
| 3173 | |
| 3174 | memcpy(&pmkid.pmkid[0].BSSID, pmksa->bssid, ETH_ALEN); |
| 3175 | memcpy(&pmkid.pmkid[0].PMKID, pmksa->pmkid, WLAN_PMKID_LEN); |
| 3176 | |
| 3177 | WL_CONN("del_pmksa,IW_PMKSA_REMOVE - PMKID: %pM =\n", |
| 3178 | &pmkid.pmkid[0].BSSID); |
| 3179 | for (i = 0; i < WLAN_PMKID_LEN; i++) |
| 3180 | WL_CONN("%02x\n", pmkid.pmkid[0].PMKID[i]); |
| 3181 | |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3182 | pmkid_len = le32_to_cpu(cfg_priv->pmk_list->pmkids.npmkid); |
| 3183 | for (i = 0; i < pmkid_len; i++) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3184 | if (!memcmp |
| 3185 | (pmksa->bssid, &cfg_priv->pmk_list->pmkids.pmkid[i].BSSID, |
| 3186 | ETH_ALEN)) |
| 3187 | break; |
| 3188 | |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3189 | if ((pmkid_len > 0) |
| 3190 | && (i < pmkid_len)) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3191 | memset(&cfg_priv->pmk_list->pmkids.pmkid[i], 0, |
| 3192 | sizeof(struct pmkid)); |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3193 | for (; i < (pmkid_len - 1); i++) { |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3194 | memcpy(&cfg_priv->pmk_list->pmkids.pmkid[i].BSSID, |
| 3195 | &cfg_priv->pmk_list->pmkids.pmkid[i + 1].BSSID, |
| 3196 | ETH_ALEN); |
| 3197 | memcpy(&cfg_priv->pmk_list->pmkids.pmkid[i].PMKID, |
| 3198 | &cfg_priv->pmk_list->pmkids.pmkid[i + 1].PMKID, |
| 3199 | WLAN_PMKID_LEN); |
| 3200 | } |
Arend van Spriel | 40c8e95 | 2011-10-12 20:51:20 +0200 | [diff] [blame] | 3201 | cfg_priv->pmk_list->pmkids.npmkid = cpu_to_le32(pmkid_len - 1); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3202 | } else |
| 3203 | err = -EINVAL; |
| 3204 | |
| 3205 | err = brcmf_update_pmklist(ndev, cfg_priv->pmk_list, err); |
| 3206 | |
| 3207 | WL_TRACE("Exit\n"); |
| 3208 | return err; |
| 3209 | |
| 3210 | } |
| 3211 | |
| 3212 | static s32 |
| 3213 | brcmf_cfg80211_flush_pmksa(struct wiphy *wiphy, struct net_device *ndev) |
| 3214 | { |
| 3215 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 3216 | s32 err = 0; |
| 3217 | |
| 3218 | WL_TRACE("Enter\n"); |
| 3219 | if (!check_sys_up(wiphy)) |
| 3220 | return -EIO; |
| 3221 | |
| 3222 | memset(cfg_priv->pmk_list, 0, sizeof(*cfg_priv->pmk_list)); |
| 3223 | err = brcmf_update_pmklist(ndev, cfg_priv->pmk_list, err); |
| 3224 | |
| 3225 | WL_TRACE("Exit\n"); |
| 3226 | return err; |
| 3227 | |
| 3228 | } |
| 3229 | |
Arend van Spriel | cbaa177 | 2012-08-30 19:43:02 +0200 | [diff] [blame] | 3230 | #ifdef CONFIG_NL80211_TESTMODE |
| 3231 | static int brcmf_cfg80211_testmode(struct wiphy *wiphy, void *data, int len) |
| 3232 | { |
| 3233 | struct brcmf_cfg80211_priv *cfg_priv = wiphy_to_cfg(wiphy); |
| 3234 | struct net_device *ndev = cfg_priv->wdev->netdev; |
| 3235 | struct brcmf_dcmd *dcmd = data; |
| 3236 | struct sk_buff *reply; |
| 3237 | int ret; |
| 3238 | |
| 3239 | ret = brcmf_netlink_dcmd(ndev, dcmd); |
| 3240 | if (ret == 0) { |
| 3241 | reply = cfg80211_testmode_alloc_reply_skb(wiphy, sizeof(*dcmd)); |
| 3242 | nla_put(reply, NL80211_ATTR_TESTDATA, sizeof(*dcmd), dcmd); |
| 3243 | ret = cfg80211_testmode_reply(reply); |
| 3244 | } |
| 3245 | return ret; |
| 3246 | } |
| 3247 | #endif |
| 3248 | |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3249 | static struct cfg80211_ops wl_cfg80211_ops = { |
| 3250 | .change_virtual_intf = brcmf_cfg80211_change_iface, |
| 3251 | .scan = brcmf_cfg80211_scan, |
| 3252 | .set_wiphy_params = brcmf_cfg80211_set_wiphy_params, |
| 3253 | .join_ibss = brcmf_cfg80211_join_ibss, |
| 3254 | .leave_ibss = brcmf_cfg80211_leave_ibss, |
| 3255 | .get_station = brcmf_cfg80211_get_station, |
| 3256 | .set_tx_power = brcmf_cfg80211_set_tx_power, |
| 3257 | .get_tx_power = brcmf_cfg80211_get_tx_power, |
| 3258 | .add_key = brcmf_cfg80211_add_key, |
| 3259 | .del_key = brcmf_cfg80211_del_key, |
| 3260 | .get_key = brcmf_cfg80211_get_key, |
| 3261 | .set_default_key = brcmf_cfg80211_config_default_key, |
| 3262 | .set_default_mgmt_key = brcmf_cfg80211_config_default_mgmt_key, |
| 3263 | .set_power_mgmt = brcmf_cfg80211_set_power_mgmt, |
| 3264 | .set_bitrate_mask = brcmf_cfg80211_set_bitrate_mask, |
| 3265 | .connect = brcmf_cfg80211_connect, |
| 3266 | .disconnect = brcmf_cfg80211_disconnect, |
| 3267 | .suspend = brcmf_cfg80211_suspend, |
| 3268 | .resume = brcmf_cfg80211_resume, |
| 3269 | .set_pmksa = brcmf_cfg80211_set_pmksa, |
| 3270 | .del_pmksa = brcmf_cfg80211_del_pmksa, |
Arend van Spriel | cbaa177 | 2012-08-30 19:43:02 +0200 | [diff] [blame] | 3271 | .flush_pmksa = brcmf_cfg80211_flush_pmksa, |
| 3272 | #ifdef CONFIG_NL80211_TESTMODE |
| 3273 | .testmode_cmd = brcmf_cfg80211_testmode |
| 3274 | #endif |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3275 | }; |
| 3276 | |
| 3277 | static s32 brcmf_mode_to_nl80211_iftype(s32 mode) |
| 3278 | { |
| 3279 | s32 err = 0; |
| 3280 | |
| 3281 | switch (mode) { |
| 3282 | case WL_MODE_BSS: |
| 3283 | return NL80211_IFTYPE_STATION; |
| 3284 | case WL_MODE_IBSS: |
| 3285 | return NL80211_IFTYPE_ADHOC; |
| 3286 | default: |
| 3287 | return NL80211_IFTYPE_UNSPECIFIED; |
| 3288 | } |
| 3289 | |
| 3290 | return err; |
| 3291 | } |
| 3292 | |
| 3293 | static struct wireless_dev *brcmf_alloc_wdev(s32 sizeof_iface, |
| 3294 | struct device *ndev) |
| 3295 | { |
| 3296 | struct wireless_dev *wdev; |
| 3297 | s32 err = 0; |
| 3298 | |
| 3299 | wdev = kzalloc(sizeof(*wdev), GFP_KERNEL); |
| 3300 | if (!wdev) |
| 3301 | return ERR_PTR(-ENOMEM); |
| 3302 | |
| 3303 | wdev->wiphy = |
| 3304 | wiphy_new(&wl_cfg80211_ops, |
| 3305 | sizeof(struct brcmf_cfg80211_priv) + sizeof_iface); |
| 3306 | if (!wdev->wiphy) { |
Joe Perches | bfeb4db | 2012-01-15 00:38:45 -0800 | [diff] [blame] | 3307 | WL_ERR("Could not allocate wiphy device\n"); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3308 | err = -ENOMEM; |
| 3309 | goto wiphy_new_out; |
| 3310 | } |
| 3311 | set_wiphy_dev(wdev->wiphy, ndev); |
| 3312 | wdev->wiphy->max_scan_ssids = WL_NUM_SCAN_MAX; |
| 3313 | wdev->wiphy->max_num_pmkids = WL_NUM_PMKIDS_MAX; |
| 3314 | wdev->wiphy->interface_modes = |
| 3315 | BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); |
| 3316 | wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = &__wl_band_2ghz; |
| 3317 | wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_a; /* Set |
| 3318 | * it as 11a by default. |
| 3319 | * This will be updated with |
| 3320 | * 11n phy tables in |
| 3321 | * "ifconfig up" |
| 3322 | * if phy has 11n capability |
| 3323 | */ |
| 3324 | wdev->wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; |
| 3325 | wdev->wiphy->cipher_suites = __wl_cipher_suites; |
| 3326 | wdev->wiphy->n_cipher_suites = ARRAY_SIZE(__wl_cipher_suites); |
| 3327 | wdev->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; /* enable power |
| 3328 | * save mode |
| 3329 | * by default |
| 3330 | */ |
| 3331 | err = wiphy_register(wdev->wiphy); |
| 3332 | if (err < 0) { |
Joe Perches | bfeb4db | 2012-01-15 00:38:45 -0800 | [diff] [blame] | 3333 | WL_ERR("Could not register wiphy device (%d)\n", err); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3334 | goto wiphy_register_out; |
| 3335 | } |
| 3336 | return wdev; |
| 3337 | |
| 3338 | wiphy_register_out: |
| 3339 | wiphy_free(wdev->wiphy); |
| 3340 | |
| 3341 | wiphy_new_out: |
| 3342 | kfree(wdev); |
| 3343 | |
| 3344 | return ERR_PTR(err); |
| 3345 | } |
| 3346 | |
| 3347 | static void brcmf_free_wdev(struct brcmf_cfg80211_priv *cfg_priv) |
| 3348 | { |
| 3349 | struct wireless_dev *wdev = cfg_priv->wdev; |
| 3350 | |
| 3351 | if (!wdev) { |
| 3352 | WL_ERR("wdev is invalid\n"); |
| 3353 | return; |
| 3354 | } |
| 3355 | wiphy_unregister(wdev->wiphy); |
| 3356 | wiphy_free(wdev->wiphy); |
| 3357 | kfree(wdev); |
| 3358 | cfg_priv->wdev = NULL; |
| 3359 | } |
| 3360 | |
| 3361 | static bool brcmf_is_linkup(struct brcmf_cfg80211_priv *cfg_priv, |
| 3362 | const struct brcmf_event_msg *e) |
| 3363 | { |
| 3364 | u32 event = be32_to_cpu(e->event_type); |
| 3365 | u32 status = be32_to_cpu(e->status); |
| 3366 | |
| 3367 | if (event == BRCMF_E_SET_SSID && status == BRCMF_E_STATUS_SUCCESS) { |
| 3368 | WL_CONN("Processing set ssid\n"); |
| 3369 | cfg_priv->link_up = true; |
| 3370 | return true; |
| 3371 | } |
| 3372 | |
| 3373 | return false; |
| 3374 | } |
| 3375 | |
| 3376 | static bool brcmf_is_linkdown(struct brcmf_cfg80211_priv *cfg_priv, |
| 3377 | const struct brcmf_event_msg *e) |
| 3378 | { |
| 3379 | u32 event = be32_to_cpu(e->event_type); |
| 3380 | u16 flags = be16_to_cpu(e->flags); |
| 3381 | |
| 3382 | if (event == BRCMF_E_LINK && (!(flags & BRCMF_EVENT_MSG_LINK))) { |
| 3383 | WL_CONN("Processing link down\n"); |
| 3384 | return true; |
| 3385 | } |
| 3386 | return false; |
| 3387 | } |
| 3388 | |
| 3389 | static bool brcmf_is_nonetwork(struct brcmf_cfg80211_priv *cfg_priv, |
| 3390 | const struct brcmf_event_msg *e) |
| 3391 | { |
| 3392 | u32 event = be32_to_cpu(e->event_type); |
| 3393 | u32 status = be32_to_cpu(e->status); |
| 3394 | |
| 3395 | if (event == BRCMF_E_LINK && status == BRCMF_E_STATUS_NO_NETWORKS) { |
| 3396 | WL_CONN("Processing Link %s & no network found\n", |
| 3397 | be16_to_cpu(e->flags) & BRCMF_EVENT_MSG_LINK ? |
| 3398 | "up" : "down"); |
| 3399 | return true; |
| 3400 | } |
| 3401 | |
| 3402 | if (event == BRCMF_E_SET_SSID && status != BRCMF_E_STATUS_SUCCESS) { |
| 3403 | WL_CONN("Processing connecting & no network found\n"); |
| 3404 | return true; |
| 3405 | } |
| 3406 | |
| 3407 | return false; |
| 3408 | } |
| 3409 | |
| 3410 | static void brcmf_clear_assoc_ies(struct brcmf_cfg80211_priv *cfg_priv) |
| 3411 | { |
| 3412 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv); |
| 3413 | |
| 3414 | kfree(conn_info->req_ie); |
| 3415 | conn_info->req_ie = NULL; |
| 3416 | conn_info->req_ie_len = 0; |
| 3417 | kfree(conn_info->resp_ie); |
| 3418 | conn_info->resp_ie = NULL; |
| 3419 | conn_info->resp_ie_len = 0; |
| 3420 | } |
| 3421 | |
| 3422 | static s32 brcmf_get_assoc_ies(struct brcmf_cfg80211_priv *cfg_priv) |
| 3423 | { |
| 3424 | struct net_device *ndev = cfg_to_ndev(cfg_priv); |
Arend van Spriel | c4e382d | 2011-10-12 20:51:21 +0200 | [diff] [blame] | 3425 | struct brcmf_cfg80211_assoc_ielen_le *assoc_info; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3426 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv); |
| 3427 | u32 req_len; |
| 3428 | u32 resp_len; |
| 3429 | s32 err = 0; |
| 3430 | |
| 3431 | brcmf_clear_assoc_ies(cfg_priv); |
| 3432 | |
| 3433 | err = brcmf_dev_bufvar_get(ndev, "assoc_info", cfg_priv->extra_buf, |
| 3434 | WL_ASSOC_INFO_MAX); |
| 3435 | if (err) { |
| 3436 | WL_ERR("could not get assoc info (%d)\n", err); |
| 3437 | return err; |
| 3438 | } |
Arend van Spriel | c4e382d | 2011-10-12 20:51:21 +0200 | [diff] [blame] | 3439 | assoc_info = |
| 3440 | (struct brcmf_cfg80211_assoc_ielen_le *)cfg_priv->extra_buf; |
| 3441 | req_len = le32_to_cpu(assoc_info->req_len); |
| 3442 | resp_len = le32_to_cpu(assoc_info->resp_len); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3443 | if (req_len) { |
| 3444 | err = brcmf_dev_bufvar_get(ndev, "assoc_req_ies", |
| 3445 | cfg_priv->extra_buf, |
| 3446 | WL_ASSOC_INFO_MAX); |
| 3447 | if (err) { |
| 3448 | WL_ERR("could not get assoc req (%d)\n", err); |
| 3449 | return err; |
| 3450 | } |
| 3451 | conn_info->req_ie_len = req_len; |
| 3452 | conn_info->req_ie = |
| 3453 | kmemdup(cfg_priv->extra_buf, conn_info->req_ie_len, |
| 3454 | GFP_KERNEL); |
| 3455 | } else { |
| 3456 | conn_info->req_ie_len = 0; |
| 3457 | conn_info->req_ie = NULL; |
| 3458 | } |
| 3459 | if (resp_len) { |
| 3460 | err = brcmf_dev_bufvar_get(ndev, "assoc_resp_ies", |
| 3461 | cfg_priv->extra_buf, |
| 3462 | WL_ASSOC_INFO_MAX); |
| 3463 | if (err) { |
| 3464 | WL_ERR("could not get assoc resp (%d)\n", err); |
| 3465 | return err; |
| 3466 | } |
| 3467 | conn_info->resp_ie_len = resp_len; |
| 3468 | conn_info->resp_ie = |
| 3469 | kmemdup(cfg_priv->extra_buf, conn_info->resp_ie_len, |
| 3470 | GFP_KERNEL); |
| 3471 | } else { |
| 3472 | conn_info->resp_ie_len = 0; |
| 3473 | conn_info->resp_ie = NULL; |
| 3474 | } |
| 3475 | WL_CONN("req len (%d) resp len (%d)\n", |
| 3476 | conn_info->req_ie_len, conn_info->resp_ie_len); |
| 3477 | |
| 3478 | return err; |
| 3479 | } |
| 3480 | |
| 3481 | static s32 |
| 3482 | brcmf_bss_roaming_done(struct brcmf_cfg80211_priv *cfg_priv, |
| 3483 | struct net_device *ndev, |
| 3484 | const struct brcmf_event_msg *e) |
| 3485 | { |
| 3486 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv); |
| 3487 | struct wiphy *wiphy = cfg_to_wiphy(cfg_priv); |
| 3488 | struct brcmf_channel_info_le channel_le; |
| 3489 | struct ieee80211_channel *notify_channel; |
| 3490 | struct ieee80211_supported_band *band; |
| 3491 | u32 freq; |
| 3492 | s32 err = 0; |
| 3493 | u32 target_channel; |
| 3494 | |
| 3495 | WL_TRACE("Enter\n"); |
| 3496 | |
| 3497 | brcmf_get_assoc_ies(cfg_priv); |
| 3498 | brcmf_update_prof(cfg_priv, NULL, &e->addr, WL_PROF_BSSID); |
| 3499 | brcmf_update_bss_info(cfg_priv); |
| 3500 | |
| 3501 | brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_le, |
| 3502 | sizeof(channel_le)); |
| 3503 | |
| 3504 | target_channel = le32_to_cpu(channel_le.target_channel); |
| 3505 | WL_CONN("Roamed to channel %d\n", target_channel); |
| 3506 | |
| 3507 | if (target_channel <= CH_MAX_2G_CHANNEL) |
| 3508 | band = wiphy->bands[IEEE80211_BAND_2GHZ]; |
| 3509 | else |
| 3510 | band = wiphy->bands[IEEE80211_BAND_5GHZ]; |
| 3511 | |
| 3512 | freq = ieee80211_channel_to_frequency(target_channel, band->band); |
| 3513 | notify_channel = ieee80211_get_channel(wiphy, freq); |
| 3514 | |
| 3515 | cfg80211_roamed(ndev, notify_channel, |
| 3516 | (u8 *)brcmf_read_prof(cfg_priv, WL_PROF_BSSID), |
| 3517 | conn_info->req_ie, conn_info->req_ie_len, |
| 3518 | conn_info->resp_ie, conn_info->resp_ie_len, GFP_KERNEL); |
| 3519 | WL_CONN("Report roaming result\n"); |
| 3520 | |
| 3521 | set_bit(WL_STATUS_CONNECTED, &cfg_priv->status); |
| 3522 | WL_TRACE("Exit\n"); |
| 3523 | return err; |
| 3524 | } |
| 3525 | |
| 3526 | static s32 |
| 3527 | brcmf_bss_connect_done(struct brcmf_cfg80211_priv *cfg_priv, |
| 3528 | struct net_device *ndev, const struct brcmf_event_msg *e, |
| 3529 | bool completed) |
| 3530 | { |
| 3531 | struct brcmf_cfg80211_connect_info *conn_info = cfg_to_conn(cfg_priv); |
| 3532 | s32 err = 0; |
| 3533 | |
| 3534 | WL_TRACE("Enter\n"); |
| 3535 | |
| 3536 | if (test_and_clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) { |
| 3537 | if (completed) { |
| 3538 | brcmf_get_assoc_ies(cfg_priv); |
| 3539 | brcmf_update_prof(cfg_priv, NULL, &e->addr, |
| 3540 | WL_PROF_BSSID); |
| 3541 | brcmf_update_bss_info(cfg_priv); |
| 3542 | } |
| 3543 | cfg80211_connect_result(ndev, |
| 3544 | (u8 *)brcmf_read_prof(cfg_priv, |
| 3545 | WL_PROF_BSSID), |
| 3546 | conn_info->req_ie, |
| 3547 | conn_info->req_ie_len, |
| 3548 | conn_info->resp_ie, |
| 3549 | conn_info->resp_ie_len, |
| 3550 | completed ? WLAN_STATUS_SUCCESS : |
| 3551 | WLAN_STATUS_AUTH_TIMEOUT, |
| 3552 | GFP_KERNEL); |
| 3553 | if (completed) |
| 3554 | set_bit(WL_STATUS_CONNECTED, &cfg_priv->status); |
| 3555 | WL_CONN("Report connect result - connection %s\n", |
| 3556 | completed ? "succeeded" : "failed"); |
| 3557 | } |
| 3558 | WL_TRACE("Exit\n"); |
| 3559 | return err; |
| 3560 | } |
| 3561 | |
| 3562 | static s32 |
| 3563 | brcmf_notify_connect_status(struct brcmf_cfg80211_priv *cfg_priv, |
| 3564 | struct net_device *ndev, |
| 3565 | const struct brcmf_event_msg *e, void *data) |
| 3566 | { |
| 3567 | s32 err = 0; |
| 3568 | |
| 3569 | if (brcmf_is_linkup(cfg_priv, e)) { |
| 3570 | WL_CONN("Linkup\n"); |
| 3571 | if (brcmf_is_ibssmode(cfg_priv)) { |
| 3572 | brcmf_update_prof(cfg_priv, NULL, (void *)e->addr, |
| 3573 | WL_PROF_BSSID); |
| 3574 | wl_inform_ibss(cfg_priv, ndev, e->addr); |
| 3575 | cfg80211_ibss_joined(ndev, e->addr, GFP_KERNEL); |
| 3576 | clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status); |
| 3577 | set_bit(WL_STATUS_CONNECTED, &cfg_priv->status); |
| 3578 | } else |
| 3579 | brcmf_bss_connect_done(cfg_priv, ndev, e, true); |
| 3580 | } else if (brcmf_is_linkdown(cfg_priv, e)) { |
| 3581 | WL_CONN("Linkdown\n"); |
| 3582 | if (brcmf_is_ibssmode(cfg_priv)) { |
| 3583 | clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status); |
| 3584 | if (test_and_clear_bit(WL_STATUS_CONNECTED, |
| 3585 | &cfg_priv->status)) |
| 3586 | brcmf_link_down(cfg_priv); |
| 3587 | } else { |
| 3588 | brcmf_bss_connect_done(cfg_priv, ndev, e, false); |
| 3589 | if (test_and_clear_bit(WL_STATUS_CONNECTED, |
| 3590 | &cfg_priv->status)) { |
| 3591 | cfg80211_disconnected(ndev, 0, NULL, 0, |
| 3592 | GFP_KERNEL); |
| 3593 | brcmf_link_down(cfg_priv); |
| 3594 | } |
| 3595 | } |
| 3596 | brcmf_init_prof(cfg_priv->profile); |
| 3597 | } else if (brcmf_is_nonetwork(cfg_priv, e)) { |
| 3598 | if (brcmf_is_ibssmode(cfg_priv)) |
| 3599 | clear_bit(WL_STATUS_CONNECTING, &cfg_priv->status); |
| 3600 | else |
| 3601 | brcmf_bss_connect_done(cfg_priv, ndev, e, false); |
| 3602 | } |
| 3603 | |
| 3604 | return err; |
| 3605 | } |
| 3606 | |
| 3607 | static s32 |
| 3608 | brcmf_notify_roaming_status(struct brcmf_cfg80211_priv *cfg_priv, |
| 3609 | struct net_device *ndev, |
| 3610 | const struct brcmf_event_msg *e, void *data) |
| 3611 | { |
| 3612 | s32 err = 0; |
| 3613 | u32 event = be32_to_cpu(e->event_type); |
| 3614 | u32 status = be32_to_cpu(e->status); |
| 3615 | |
| 3616 | if (event == BRCMF_E_ROAM && status == BRCMF_E_STATUS_SUCCESS) { |
| 3617 | if (test_bit(WL_STATUS_CONNECTED, &cfg_priv->status)) |
| 3618 | brcmf_bss_roaming_done(cfg_priv, ndev, e); |
| 3619 | else |
| 3620 | brcmf_bss_connect_done(cfg_priv, ndev, e, true); |
| 3621 | } |
| 3622 | |
| 3623 | return err; |
| 3624 | } |
| 3625 | |
| 3626 | static s32 |
| 3627 | brcmf_notify_mic_status(struct brcmf_cfg80211_priv *cfg_priv, |
| 3628 | struct net_device *ndev, |
| 3629 | const struct brcmf_event_msg *e, void *data) |
| 3630 | { |
| 3631 | u16 flags = be16_to_cpu(e->flags); |
| 3632 | enum nl80211_key_type key_type; |
| 3633 | |
| 3634 | if (flags & BRCMF_EVENT_MSG_GROUP) |
| 3635 | key_type = NL80211_KEYTYPE_GROUP; |
| 3636 | else |
| 3637 | key_type = NL80211_KEYTYPE_PAIRWISE; |
| 3638 | |
| 3639 | cfg80211_michael_mic_failure(ndev, (u8 *)&e->addr, key_type, -1, |
| 3640 | NULL, GFP_KERNEL); |
| 3641 | |
| 3642 | return 0; |
| 3643 | } |
| 3644 | |
| 3645 | static s32 |
| 3646 | brcmf_notify_scan_status(struct brcmf_cfg80211_priv *cfg_priv, |
| 3647 | struct net_device *ndev, |
| 3648 | const struct brcmf_event_msg *e, void *data) |
| 3649 | { |
| 3650 | struct brcmf_channel_info_le channel_inform_le; |
| 3651 | struct brcmf_scan_results_le *bss_list_le; |
| 3652 | u32 len = WL_SCAN_BUF_MAX; |
| 3653 | s32 err = 0; |
| 3654 | bool scan_abort = false; |
| 3655 | u32 scan_channel; |
| 3656 | |
| 3657 | WL_TRACE("Enter\n"); |
| 3658 | |
| 3659 | if (cfg_priv->iscan_on && cfg_priv->iscan_kickstart) { |
| 3660 | WL_TRACE("Exit\n"); |
| 3661 | return brcmf_wakeup_iscan(cfg_to_iscan(cfg_priv)); |
| 3662 | } |
| 3663 | |
| 3664 | if (!test_and_clear_bit(WL_STATUS_SCANNING, &cfg_priv->status)) { |
| 3665 | WL_ERR("Scan complete while device not scanning\n"); |
| 3666 | scan_abort = true; |
| 3667 | err = -EINVAL; |
| 3668 | goto scan_done_out; |
| 3669 | } |
| 3670 | |
| 3671 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_CHANNEL, &channel_inform_le, |
| 3672 | sizeof(channel_inform_le)); |
| 3673 | if (err) { |
| 3674 | WL_ERR("scan busy (%d)\n", err); |
| 3675 | scan_abort = true; |
| 3676 | goto scan_done_out; |
| 3677 | } |
| 3678 | scan_channel = le32_to_cpu(channel_inform_le.scan_channel); |
| 3679 | if (scan_channel) |
| 3680 | WL_CONN("channel_inform.scan_channel (%d)\n", scan_channel); |
| 3681 | cfg_priv->bss_list = cfg_priv->scan_results; |
| 3682 | bss_list_le = (struct brcmf_scan_results_le *) cfg_priv->bss_list; |
| 3683 | |
| 3684 | memset(cfg_priv->scan_results, 0, len); |
| 3685 | bss_list_le->buflen = cpu_to_le32(len); |
| 3686 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SCAN_RESULTS, |
| 3687 | cfg_priv->scan_results, len); |
| 3688 | if (err) { |
| 3689 | WL_ERR("%s Scan_results error (%d)\n", ndev->name, err); |
| 3690 | err = -EINVAL; |
| 3691 | scan_abort = true; |
| 3692 | goto scan_done_out; |
| 3693 | } |
| 3694 | cfg_priv->scan_results->buflen = le32_to_cpu(bss_list_le->buflen); |
| 3695 | cfg_priv->scan_results->version = le32_to_cpu(bss_list_le->version); |
| 3696 | cfg_priv->scan_results->count = le32_to_cpu(bss_list_le->count); |
| 3697 | |
| 3698 | err = brcmf_inform_bss(cfg_priv); |
Hante Meuleman | 35aafa9 | 2012-09-11 21:18:49 +0200 | [diff] [blame] | 3699 | if (err) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3700 | scan_abort = true; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3701 | |
| 3702 | scan_done_out: |
| 3703 | if (cfg_priv->scan_request) { |
| 3704 | WL_SCAN("calling cfg80211_scan_done\n"); |
| 3705 | cfg80211_scan_done(cfg_priv->scan_request, scan_abort); |
| 3706 | brcmf_set_mpc(ndev, 1); |
| 3707 | cfg_priv->scan_request = NULL; |
| 3708 | } |
| 3709 | |
| 3710 | WL_TRACE("Exit\n"); |
| 3711 | |
| 3712 | return err; |
| 3713 | } |
| 3714 | |
| 3715 | static void brcmf_init_conf(struct brcmf_cfg80211_conf *conf) |
| 3716 | { |
| 3717 | conf->mode = (u32)-1; |
| 3718 | conf->frag_threshold = (u32)-1; |
| 3719 | conf->rts_threshold = (u32)-1; |
| 3720 | conf->retry_short = (u32)-1; |
| 3721 | conf->retry_long = (u32)-1; |
| 3722 | conf->tx_power = -1; |
| 3723 | } |
| 3724 | |
| 3725 | static void brcmf_init_eloop_handler(struct brcmf_cfg80211_event_loop *el) |
| 3726 | { |
| 3727 | memset(el, 0, sizeof(*el)); |
| 3728 | el->handler[BRCMF_E_SCAN_COMPLETE] = brcmf_notify_scan_status; |
| 3729 | el->handler[BRCMF_E_LINK] = brcmf_notify_connect_status; |
| 3730 | el->handler[BRCMF_E_ROAM] = brcmf_notify_roaming_status; |
| 3731 | el->handler[BRCMF_E_MIC_ERROR] = brcmf_notify_mic_status; |
| 3732 | el->handler[BRCMF_E_SET_SSID] = brcmf_notify_connect_status; |
| 3733 | } |
| 3734 | |
| 3735 | static void brcmf_deinit_priv_mem(struct brcmf_cfg80211_priv *cfg_priv) |
| 3736 | { |
| 3737 | kfree(cfg_priv->scan_results); |
| 3738 | cfg_priv->scan_results = NULL; |
| 3739 | kfree(cfg_priv->bss_info); |
| 3740 | cfg_priv->bss_info = NULL; |
| 3741 | kfree(cfg_priv->conf); |
| 3742 | cfg_priv->conf = NULL; |
| 3743 | kfree(cfg_priv->profile); |
| 3744 | cfg_priv->profile = NULL; |
| 3745 | kfree(cfg_priv->scan_req_int); |
| 3746 | cfg_priv->scan_req_int = NULL; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame^] | 3747 | kfree(cfg_priv->escan_ioctl_buf); |
| 3748 | cfg_priv->escan_ioctl_buf = NULL; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3749 | kfree(cfg_priv->dcmd_buf); |
| 3750 | cfg_priv->dcmd_buf = NULL; |
| 3751 | kfree(cfg_priv->extra_buf); |
| 3752 | cfg_priv->extra_buf = NULL; |
| 3753 | kfree(cfg_priv->iscan); |
| 3754 | cfg_priv->iscan = NULL; |
| 3755 | kfree(cfg_priv->pmk_list); |
| 3756 | cfg_priv->pmk_list = NULL; |
| 3757 | } |
| 3758 | |
| 3759 | static s32 brcmf_init_priv_mem(struct brcmf_cfg80211_priv *cfg_priv) |
| 3760 | { |
| 3761 | cfg_priv->scan_results = kzalloc(WL_SCAN_BUF_MAX, GFP_KERNEL); |
| 3762 | if (!cfg_priv->scan_results) |
| 3763 | goto init_priv_mem_out; |
| 3764 | cfg_priv->conf = kzalloc(sizeof(*cfg_priv->conf), GFP_KERNEL); |
| 3765 | if (!cfg_priv->conf) |
| 3766 | goto init_priv_mem_out; |
| 3767 | cfg_priv->profile = kzalloc(sizeof(*cfg_priv->profile), GFP_KERNEL); |
| 3768 | if (!cfg_priv->profile) |
| 3769 | goto init_priv_mem_out; |
| 3770 | cfg_priv->bss_info = kzalloc(WL_BSS_INFO_MAX, GFP_KERNEL); |
| 3771 | if (!cfg_priv->bss_info) |
| 3772 | goto init_priv_mem_out; |
| 3773 | cfg_priv->scan_req_int = kzalloc(sizeof(*cfg_priv->scan_req_int), |
| 3774 | GFP_KERNEL); |
| 3775 | if (!cfg_priv->scan_req_int) |
| 3776 | goto init_priv_mem_out; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame^] | 3777 | cfg_priv->escan_ioctl_buf = kzalloc(BRCMF_DCMD_MEDLEN, GFP_KERNEL); |
| 3778 | if (!cfg_priv->escan_ioctl_buf) |
| 3779 | goto init_priv_mem_out; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3780 | cfg_priv->dcmd_buf = kzalloc(WL_DCMD_LEN_MAX, GFP_KERNEL); |
| 3781 | if (!cfg_priv->dcmd_buf) |
| 3782 | goto init_priv_mem_out; |
| 3783 | cfg_priv->extra_buf = kzalloc(WL_EXTRA_BUF_MAX, GFP_KERNEL); |
| 3784 | if (!cfg_priv->extra_buf) |
| 3785 | goto init_priv_mem_out; |
| 3786 | cfg_priv->iscan = kzalloc(sizeof(*cfg_priv->iscan), GFP_KERNEL); |
| 3787 | if (!cfg_priv->iscan) |
| 3788 | goto init_priv_mem_out; |
| 3789 | cfg_priv->pmk_list = kzalloc(sizeof(*cfg_priv->pmk_list), GFP_KERNEL); |
| 3790 | if (!cfg_priv->pmk_list) |
| 3791 | goto init_priv_mem_out; |
| 3792 | |
| 3793 | return 0; |
| 3794 | |
| 3795 | init_priv_mem_out: |
| 3796 | brcmf_deinit_priv_mem(cfg_priv); |
| 3797 | |
| 3798 | return -ENOMEM; |
| 3799 | } |
| 3800 | |
| 3801 | /* |
| 3802 | * retrieve first queued event from head |
| 3803 | */ |
| 3804 | |
| 3805 | static struct brcmf_cfg80211_event_q *brcmf_deq_event( |
| 3806 | struct brcmf_cfg80211_priv *cfg_priv) |
| 3807 | { |
| 3808 | struct brcmf_cfg80211_event_q *e = NULL; |
| 3809 | |
| 3810 | spin_lock_irq(&cfg_priv->evt_q_lock); |
| 3811 | if (!list_empty(&cfg_priv->evt_q_list)) { |
| 3812 | e = list_first_entry(&cfg_priv->evt_q_list, |
| 3813 | struct brcmf_cfg80211_event_q, evt_q_list); |
| 3814 | list_del(&e->evt_q_list); |
| 3815 | } |
| 3816 | spin_unlock_irq(&cfg_priv->evt_q_lock); |
| 3817 | |
| 3818 | return e; |
| 3819 | } |
| 3820 | |
| 3821 | /* |
Arend van Spriel | bcbec9e | 2012-02-09 21:09:06 +0100 | [diff] [blame] | 3822 | * push event to tail of the queue |
| 3823 | * |
| 3824 | * remark: this function may not sleep as it is called in atomic context. |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3825 | */ |
| 3826 | |
| 3827 | static s32 |
| 3828 | brcmf_enq_event(struct brcmf_cfg80211_priv *cfg_priv, u32 event, |
Hante Meuleman | c4fdb05 | 2012-09-11 21:18:47 +0200 | [diff] [blame] | 3829 | const struct brcmf_event_msg *msg, void *data) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3830 | { |
| 3831 | struct brcmf_cfg80211_event_q *e; |
| 3832 | s32 err = 0; |
Arend van Spriel | cf44066 | 2012-02-09 21:09:07 +0100 | [diff] [blame] | 3833 | ulong flags; |
Hante Meuleman | c4fdb05 | 2012-09-11 21:18:47 +0200 | [diff] [blame] | 3834 | u32 data_len; |
| 3835 | u32 total_len; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3836 | |
Hante Meuleman | c4fdb05 | 2012-09-11 21:18:47 +0200 | [diff] [blame] | 3837 | total_len = sizeof(struct brcmf_cfg80211_event_q); |
| 3838 | if (data) |
| 3839 | data_len = be32_to_cpu(msg->datalen); |
| 3840 | else |
| 3841 | data_len = 0; |
| 3842 | total_len += data_len; |
| 3843 | e = kzalloc(total_len, GFP_ATOMIC); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3844 | if (!e) |
| 3845 | return -ENOMEM; |
| 3846 | |
| 3847 | e->etype = event; |
| 3848 | memcpy(&e->emsg, msg, sizeof(struct brcmf_event_msg)); |
Hante Meuleman | c4fdb05 | 2012-09-11 21:18:47 +0200 | [diff] [blame] | 3849 | if (data) |
| 3850 | memcpy(&e->edata, data, data_len); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3851 | |
Arend van Spriel | cf44066 | 2012-02-09 21:09:07 +0100 | [diff] [blame] | 3852 | spin_lock_irqsave(&cfg_priv->evt_q_lock, flags); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3853 | list_add_tail(&e->evt_q_list, &cfg_priv->evt_q_list); |
Arend van Spriel | cf44066 | 2012-02-09 21:09:07 +0100 | [diff] [blame] | 3854 | spin_unlock_irqrestore(&cfg_priv->evt_q_lock, flags); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3855 | |
| 3856 | return err; |
| 3857 | } |
| 3858 | |
| 3859 | static void brcmf_put_event(struct brcmf_cfg80211_event_q *e) |
| 3860 | { |
| 3861 | kfree(e); |
| 3862 | } |
| 3863 | |
| 3864 | static void brcmf_cfg80211_event_handler(struct work_struct *work) |
| 3865 | { |
| 3866 | struct brcmf_cfg80211_priv *cfg_priv = |
| 3867 | container_of(work, struct brcmf_cfg80211_priv, |
| 3868 | event_work); |
| 3869 | struct brcmf_cfg80211_event_q *e; |
| 3870 | |
| 3871 | e = brcmf_deq_event(cfg_priv); |
| 3872 | if (unlikely(!e)) { |
| 3873 | WL_ERR("event queue empty...\n"); |
| 3874 | return; |
| 3875 | } |
| 3876 | |
| 3877 | do { |
| 3878 | WL_INFO("event type (%d)\n", e->etype); |
| 3879 | if (cfg_priv->el.handler[e->etype]) |
| 3880 | cfg_priv->el.handler[e->etype](cfg_priv, |
| 3881 | cfg_to_ndev(cfg_priv), |
| 3882 | &e->emsg, e->edata); |
| 3883 | else |
| 3884 | WL_INFO("Unknown Event (%d): ignoring\n", e->etype); |
| 3885 | brcmf_put_event(e); |
| 3886 | } while ((e = brcmf_deq_event(cfg_priv))); |
| 3887 | |
| 3888 | } |
| 3889 | |
| 3890 | static void brcmf_init_eq(struct brcmf_cfg80211_priv *cfg_priv) |
| 3891 | { |
| 3892 | spin_lock_init(&cfg_priv->evt_q_lock); |
| 3893 | INIT_LIST_HEAD(&cfg_priv->evt_q_list); |
| 3894 | } |
| 3895 | |
| 3896 | static void brcmf_flush_eq(struct brcmf_cfg80211_priv *cfg_priv) |
| 3897 | { |
| 3898 | struct brcmf_cfg80211_event_q *e; |
| 3899 | |
| 3900 | spin_lock_irq(&cfg_priv->evt_q_lock); |
| 3901 | while (!list_empty(&cfg_priv->evt_q_list)) { |
| 3902 | e = list_first_entry(&cfg_priv->evt_q_list, |
| 3903 | struct brcmf_cfg80211_event_q, evt_q_list); |
| 3904 | list_del(&e->evt_q_list); |
| 3905 | kfree(e); |
| 3906 | } |
| 3907 | spin_unlock_irq(&cfg_priv->evt_q_lock); |
| 3908 | } |
| 3909 | |
| 3910 | static s32 wl_init_priv(struct brcmf_cfg80211_priv *cfg_priv) |
| 3911 | { |
| 3912 | s32 err = 0; |
| 3913 | |
| 3914 | cfg_priv->scan_request = NULL; |
| 3915 | cfg_priv->pwr_save = true; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame^] | 3916 | #ifdef CONFIG_BRCMISCAN |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3917 | cfg_priv->iscan_on = true; /* iscan on & off switch. |
| 3918 | we enable iscan per default */ |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame^] | 3919 | cfg_priv->escan_on = false; /* escan on & off switch. |
| 3920 | we disable escan per default */ |
| 3921 | #else |
| 3922 | cfg_priv->iscan_on = false; /* iscan on & off switch. |
| 3923 | we disable iscan per default */ |
| 3924 | cfg_priv->escan_on = true; /* escan on & off switch. |
| 3925 | we enable escan per default */ |
| 3926 | #endif |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3927 | cfg_priv->roam_on = true; /* roam on & off switch. |
| 3928 | we enable roam per default */ |
| 3929 | |
| 3930 | cfg_priv->iscan_kickstart = false; |
| 3931 | cfg_priv->active_scan = true; /* we do active scan for |
| 3932 | specific scan per default */ |
| 3933 | cfg_priv->dongle_up = false; /* dongle is not up yet */ |
| 3934 | brcmf_init_eq(cfg_priv); |
| 3935 | err = brcmf_init_priv_mem(cfg_priv); |
| 3936 | if (err) |
| 3937 | return err; |
| 3938 | INIT_WORK(&cfg_priv->event_work, brcmf_cfg80211_event_handler); |
| 3939 | brcmf_init_eloop_handler(&cfg_priv->el); |
| 3940 | mutex_init(&cfg_priv->usr_sync); |
| 3941 | err = brcmf_init_iscan(cfg_priv); |
| 3942 | if (err) |
| 3943 | return err; |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame^] | 3944 | brcmf_init_escan(cfg_priv); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 3945 | brcmf_init_conf(cfg_priv->conf); |
| 3946 | brcmf_init_prof(cfg_priv->profile); |
| 3947 | brcmf_link_down(cfg_priv); |
| 3948 | |
| 3949 | return err; |
| 3950 | } |
| 3951 | |
| 3952 | static void wl_deinit_priv(struct brcmf_cfg80211_priv *cfg_priv) |
| 3953 | { |
| 3954 | cancel_work_sync(&cfg_priv->event_work); |
| 3955 | cfg_priv->dongle_up = false; /* dongle down */ |
| 3956 | brcmf_flush_eq(cfg_priv); |
| 3957 | brcmf_link_down(cfg_priv); |
| 3958 | brcmf_term_iscan(cfg_priv); |
| 3959 | brcmf_deinit_priv_mem(cfg_priv); |
| 3960 | } |
| 3961 | |
| 3962 | struct brcmf_cfg80211_dev *brcmf_cfg80211_attach(struct net_device *ndev, |
| 3963 | struct device *busdev, |
| 3964 | void *data) |
| 3965 | { |
| 3966 | struct wireless_dev *wdev; |
| 3967 | struct brcmf_cfg80211_priv *cfg_priv; |
| 3968 | struct brcmf_cfg80211_iface *ci; |
| 3969 | struct brcmf_cfg80211_dev *cfg_dev; |
| 3970 | s32 err = 0; |
| 3971 | |
| 3972 | if (!ndev) { |
| 3973 | WL_ERR("ndev is invalid\n"); |
| 3974 | return NULL; |
| 3975 | } |
| 3976 | cfg_dev = kzalloc(sizeof(struct brcmf_cfg80211_dev), GFP_KERNEL); |
| 3977 | if (!cfg_dev) |
| 3978 | return NULL; |
| 3979 | |
| 3980 | wdev = brcmf_alloc_wdev(sizeof(struct brcmf_cfg80211_iface), busdev); |
| 3981 | if (IS_ERR(wdev)) { |
| 3982 | kfree(cfg_dev); |
| 3983 | return NULL; |
| 3984 | } |
| 3985 | |
| 3986 | wdev->iftype = brcmf_mode_to_nl80211_iftype(WL_MODE_BSS); |
| 3987 | cfg_priv = wdev_to_cfg(wdev); |
| 3988 | cfg_priv->wdev = wdev; |
| 3989 | cfg_priv->pub = data; |
| 3990 | ci = (struct brcmf_cfg80211_iface *)&cfg_priv->ci; |
| 3991 | ci->cfg_priv = cfg_priv; |
| 3992 | ndev->ieee80211_ptr = wdev; |
| 3993 | SET_NETDEV_DEV(ndev, wiphy_dev(wdev->wiphy)); |
| 3994 | wdev->netdev = ndev; |
| 3995 | err = wl_init_priv(cfg_priv); |
| 3996 | if (err) { |
| 3997 | WL_ERR("Failed to init iwm_priv (%d)\n", err); |
| 3998 | goto cfg80211_attach_out; |
| 3999 | } |
| 4000 | brcmf_set_drvdata(cfg_dev, ci); |
| 4001 | |
| 4002 | return cfg_dev; |
| 4003 | |
| 4004 | cfg80211_attach_out: |
| 4005 | brcmf_free_wdev(cfg_priv); |
| 4006 | kfree(cfg_dev); |
| 4007 | return NULL; |
| 4008 | } |
| 4009 | |
| 4010 | void brcmf_cfg80211_detach(struct brcmf_cfg80211_dev *cfg_dev) |
| 4011 | { |
| 4012 | struct brcmf_cfg80211_priv *cfg_priv; |
| 4013 | |
| 4014 | cfg_priv = brcmf_priv_get(cfg_dev); |
| 4015 | |
| 4016 | wl_deinit_priv(cfg_priv); |
| 4017 | brcmf_free_wdev(cfg_priv); |
| 4018 | brcmf_set_drvdata(cfg_dev, NULL); |
| 4019 | kfree(cfg_dev); |
| 4020 | } |
| 4021 | |
| 4022 | void |
| 4023 | brcmf_cfg80211_event(struct net_device *ndev, |
| 4024 | const struct brcmf_event_msg *e, void *data) |
| 4025 | { |
| 4026 | u32 event_type = be32_to_cpu(e->event_type); |
| 4027 | struct brcmf_cfg80211_priv *cfg_priv = ndev_to_cfg(ndev); |
| 4028 | |
Hante Meuleman | c4fdb05 | 2012-09-11 21:18:47 +0200 | [diff] [blame] | 4029 | if (!brcmf_enq_event(cfg_priv, event_type, e, data)) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4030 | schedule_work(&cfg_priv->event_work); |
| 4031 | } |
| 4032 | |
| 4033 | static s32 brcmf_dongle_mode(struct net_device *ndev, s32 iftype) |
| 4034 | { |
| 4035 | s32 infra = 0; |
| 4036 | s32 err = 0; |
| 4037 | |
| 4038 | switch (iftype) { |
| 4039 | case NL80211_IFTYPE_MONITOR: |
| 4040 | case NL80211_IFTYPE_WDS: |
| 4041 | WL_ERR("type (%d) : currently we do not support this mode\n", |
| 4042 | iftype); |
| 4043 | err = -EINVAL; |
| 4044 | return err; |
| 4045 | case NL80211_IFTYPE_ADHOC: |
| 4046 | infra = 0; |
| 4047 | break; |
| 4048 | case NL80211_IFTYPE_STATION: |
| 4049 | infra = 1; |
| 4050 | break; |
| 4051 | default: |
| 4052 | err = -EINVAL; |
| 4053 | WL_ERR("invalid type (%d)\n", iftype); |
| 4054 | return err; |
| 4055 | } |
| 4056 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_INFRA, &infra); |
| 4057 | if (err) { |
| 4058 | WL_ERR("WLC_SET_INFRA error (%d)\n", err); |
| 4059 | return err; |
| 4060 | } |
| 4061 | |
| 4062 | return 0; |
| 4063 | } |
| 4064 | |
| 4065 | static s32 brcmf_dongle_eventmsg(struct net_device *ndev) |
| 4066 | { |
| 4067 | /* Room for "event_msgs" + '\0' + bitvec */ |
| 4068 | s8 iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; |
| 4069 | s8 eventmask[BRCMF_EVENTING_MASK_LEN]; |
| 4070 | s32 err = 0; |
| 4071 | |
| 4072 | WL_TRACE("Enter\n"); |
| 4073 | |
| 4074 | /* Setup event_msgs */ |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 4075 | brcmf_c_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN, |
| 4076 | iovbuf, sizeof(iovbuf)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4077 | err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_VAR, iovbuf, sizeof(iovbuf)); |
| 4078 | if (err) { |
| 4079 | WL_ERR("Get event_msgs error (%d)\n", err); |
| 4080 | goto dongle_eventmsg_out; |
| 4081 | } |
| 4082 | memcpy(eventmask, iovbuf, BRCMF_EVENTING_MASK_LEN); |
| 4083 | |
| 4084 | setbit(eventmask, BRCMF_E_SET_SSID); |
| 4085 | setbit(eventmask, BRCMF_E_ROAM); |
| 4086 | setbit(eventmask, BRCMF_E_PRUNE); |
| 4087 | setbit(eventmask, BRCMF_E_AUTH); |
| 4088 | setbit(eventmask, BRCMF_E_REASSOC); |
| 4089 | setbit(eventmask, BRCMF_E_REASSOC_IND); |
| 4090 | setbit(eventmask, BRCMF_E_DEAUTH_IND); |
| 4091 | setbit(eventmask, BRCMF_E_DISASSOC_IND); |
| 4092 | setbit(eventmask, BRCMF_E_DISASSOC); |
| 4093 | setbit(eventmask, BRCMF_E_JOIN); |
| 4094 | setbit(eventmask, BRCMF_E_ASSOC_IND); |
| 4095 | setbit(eventmask, BRCMF_E_PSK_SUP); |
| 4096 | setbit(eventmask, BRCMF_E_LINK); |
| 4097 | setbit(eventmask, BRCMF_E_NDIS_LINK); |
| 4098 | setbit(eventmask, BRCMF_E_MIC_ERROR); |
| 4099 | setbit(eventmask, BRCMF_E_PMKID_CACHE); |
| 4100 | setbit(eventmask, BRCMF_E_TXFAIL); |
| 4101 | setbit(eventmask, BRCMF_E_JOIN_START); |
| 4102 | setbit(eventmask, BRCMF_E_SCAN_COMPLETE); |
Hante Meuleman | e756af5 | 2012-09-11 21:18:52 +0200 | [diff] [blame^] | 4103 | setbit(eventmask, BRCMF_E_ESCAN_RESULT); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4104 | |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 4105 | brcmf_c_mkiovar("event_msgs", eventmask, BRCMF_EVENTING_MASK_LEN, |
| 4106 | iovbuf, sizeof(iovbuf)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4107 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); |
| 4108 | if (err) { |
| 4109 | WL_ERR("Set event_msgs error (%d)\n", err); |
| 4110 | goto dongle_eventmsg_out; |
| 4111 | } |
| 4112 | |
| 4113 | dongle_eventmsg_out: |
| 4114 | WL_TRACE("Exit\n"); |
| 4115 | return err; |
| 4116 | } |
| 4117 | |
| 4118 | static s32 |
| 4119 | brcmf_dongle_roam(struct net_device *ndev, u32 roamvar, u32 bcn_timeout) |
| 4120 | { |
| 4121 | s8 iovbuf[32]; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4122 | s32 err = 0; |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 4123 | __le32 roamtrigger[2]; |
| 4124 | __le32 roam_delta[2]; |
| 4125 | __le32 bcn_to_le; |
| 4126 | __le32 roamvar_le; |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4127 | |
| 4128 | /* |
| 4129 | * Setup timeout if Beacons are lost and roam is |
| 4130 | * off to report link down |
| 4131 | */ |
| 4132 | if (roamvar) { |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 4133 | bcn_to_le = cpu_to_le32(bcn_timeout); |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 4134 | brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_to_le, |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 4135 | sizeof(bcn_to_le), iovbuf, sizeof(iovbuf)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4136 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, |
| 4137 | iovbuf, sizeof(iovbuf)); |
| 4138 | if (err) { |
| 4139 | WL_ERR("bcn_timeout error (%d)\n", err); |
| 4140 | goto dongle_rom_out; |
| 4141 | } |
| 4142 | } |
| 4143 | |
| 4144 | /* |
| 4145 | * Enable/Disable built-in roaming to allow supplicant |
| 4146 | * to take care of roaming |
| 4147 | */ |
| 4148 | WL_INFO("Internal Roaming = %s\n", roamvar ? "Off" : "On"); |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 4149 | roamvar_le = cpu_to_le32(roamvar); |
Alwin Beukers | 53a2277 | 2011-10-12 20:51:30 +0200 | [diff] [blame] | 4150 | brcmf_c_mkiovar("roam_off", (char *)&roamvar_le, |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 4151 | sizeof(roamvar_le), iovbuf, sizeof(iovbuf)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4152 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); |
| 4153 | if (err) { |
| 4154 | WL_ERR("roam_off error (%d)\n", err); |
| 4155 | goto dongle_rom_out; |
| 4156 | } |
| 4157 | |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 4158 | roamtrigger[0] = cpu_to_le32(WL_ROAM_TRIGGER_LEVEL); |
| 4159 | roamtrigger[1] = cpu_to_le32(BRCM_BAND_ALL); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4160 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_TRIGGER, |
| 4161 | (void *)roamtrigger, sizeof(roamtrigger)); |
| 4162 | if (err) { |
| 4163 | WL_ERR("WLC_SET_ROAM_TRIGGER error (%d)\n", err); |
| 4164 | goto dongle_rom_out; |
| 4165 | } |
| 4166 | |
Arend van Spriel | f588bc0 | 2011-10-12 20:51:22 +0200 | [diff] [blame] | 4167 | roam_delta[0] = cpu_to_le32(WL_ROAM_DELTA); |
| 4168 | roam_delta[1] = cpu_to_le32(BRCM_BAND_ALL); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4169 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_ROAM_DELTA, |
| 4170 | (void *)roam_delta, sizeof(roam_delta)); |
| 4171 | if (err) { |
| 4172 | WL_ERR("WLC_SET_ROAM_DELTA error (%d)\n", err); |
| 4173 | goto dongle_rom_out; |
| 4174 | } |
| 4175 | |
| 4176 | dongle_rom_out: |
| 4177 | return err; |
| 4178 | } |
| 4179 | |
| 4180 | static s32 |
| 4181 | brcmf_dongle_scantime(struct net_device *ndev, s32 scan_assoc_time, |
Arend van Spriel | c68cdc0 | 2011-10-12 20:51:23 +0200 | [diff] [blame] | 4182 | s32 scan_unassoc_time, s32 scan_passive_time) |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4183 | { |
| 4184 | s32 err = 0; |
Arend van Spriel | c68cdc0 | 2011-10-12 20:51:23 +0200 | [diff] [blame] | 4185 | __le32 scan_assoc_tm_le = cpu_to_le32(scan_assoc_time); |
| 4186 | __le32 scan_unassoc_tm_le = cpu_to_le32(scan_unassoc_time); |
| 4187 | __le32 scan_passive_tm_le = cpu_to_le32(scan_passive_time); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4188 | |
| 4189 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_CHANNEL_TIME, |
Arend van Spriel | c68cdc0 | 2011-10-12 20:51:23 +0200 | [diff] [blame] | 4190 | &scan_assoc_tm_le, sizeof(scan_assoc_tm_le)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4191 | if (err) { |
| 4192 | if (err == -EOPNOTSUPP) |
| 4193 | WL_INFO("Scan assoc time is not supported\n"); |
| 4194 | else |
| 4195 | WL_ERR("Scan assoc time error (%d)\n", err); |
| 4196 | goto dongle_scantime_out; |
| 4197 | } |
| 4198 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_UNASSOC_TIME, |
Arend van Spriel | c68cdc0 | 2011-10-12 20:51:23 +0200 | [diff] [blame] | 4199 | &scan_unassoc_tm_le, sizeof(scan_unassoc_tm_le)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4200 | if (err) { |
| 4201 | if (err == -EOPNOTSUPP) |
| 4202 | WL_INFO("Scan unassoc time is not supported\n"); |
| 4203 | else |
| 4204 | WL_ERR("Scan unassoc time error (%d)\n", err); |
| 4205 | goto dongle_scantime_out; |
| 4206 | } |
| 4207 | |
| 4208 | err = brcmf_exec_dcmd(ndev, BRCMF_C_SET_SCAN_PASSIVE_TIME, |
Arend van Spriel | c68cdc0 | 2011-10-12 20:51:23 +0200 | [diff] [blame] | 4209 | &scan_passive_tm_le, sizeof(scan_passive_tm_le)); |
Arend van Spriel | 5b435de | 2011-10-05 13:19:03 +0200 | [diff] [blame] | 4210 | if (err) { |
| 4211 | if (err == -EOPNOTSUPP) |
| 4212 | WL_INFO("Scan passive time is not supported\n"); |
| 4213 | else |
| 4214 | WL_ERR("Scan passive time error (%d)\n", err); |
| 4215 | goto dongle_scantime_out; |
| 4216 | } |
| 4217 | |
| 4218 | dongle_scantime_out: |
| 4219 | return err; |
| 4220 | } |
| 4221 | |
| 4222 | static s32 wl_update_wiphybands(struct brcmf_cfg80211_priv *cfg_priv) |
| 4223 | { |
| 4224 | struct wiphy *wiphy; |
| 4225 | s32 phy_list; |
| 4226 | s8 phy; |
| 4227 | s32 err = 0; |
| 4228 | |
| 4229 | err = brcmf_exec_dcmd(cfg_to_ndev(cfg_priv), BRCM_GET_PHYLIST, |
| 4230 | &phy_list, sizeof(phy_list)); |
| 4231 | if (err) { |
| 4232 | WL_ERR("error (%d)\n", err); |
| 4233 | return err; |
| 4234 | } |
| 4235 | |
| 4236 | phy = ((char *)&phy_list)[1]; |
| 4237 | WL_INFO("%c phy\n", phy); |
| 4238 | if (phy == 'n' || phy == 'a') { |
| 4239 | wiphy = cfg_to_wiphy(cfg_priv); |
| 4240 | wiphy->bands[IEEE80211_BAND_5GHZ] = &__wl_band_5ghz_n; |
| 4241 | } |
| 4242 | |
| 4243 | return err; |
| 4244 | } |
| 4245 | |
| 4246 | static s32 brcmf_dongle_probecap(struct brcmf_cfg80211_priv *cfg_priv) |
| 4247 | { |
| 4248 | return wl_update_wiphybands(cfg_priv); |
| 4249 | } |
| 4250 | |
| 4251 | static s32 brcmf_config_dongle(struct brcmf_cfg80211_priv *cfg_priv) |
| 4252 | { |
| 4253 | struct net_device *ndev; |
| 4254 | struct wireless_dev *wdev; |
| 4255 | s32 power_mode; |
| 4256 | s32 err = 0; |
| 4257 | |
| 4258 | if (cfg_priv->dongle_up) |
| 4259 | return err; |
| 4260 | |
| 4261 | ndev = cfg_to_ndev(cfg_priv); |
| 4262 | wdev = ndev->ieee80211_ptr; |
| 4263 | |
| 4264 | brcmf_dongle_scantime(ndev, WL_SCAN_CHANNEL_TIME, |
| 4265 | WL_SCAN_UNASSOC_TIME, WL_SCAN_PASSIVE_TIME); |
| 4266 | |
| 4267 | err = brcmf_dongle_eventmsg(ndev); |
| 4268 | if (err) |
| 4269 | goto default_conf_out; |
| 4270 | |
| 4271 | power_mode = cfg_priv->pwr_save ? PM_FAST : PM_OFF; |
| 4272 | err = brcmf_exec_dcmd_u32(ndev, BRCMF_C_SET_PM, &power_mode); |
| 4273 | if (err) |
| 4274 | goto default_conf_out; |
| 4275 | WL_INFO("power save set to %s\n", |
| 4276 | (power_mode ? "enabled" : "disabled")); |
| 4277 | |
| 4278 | err = brcmf_dongle_roam(ndev, (cfg_priv->roam_on ? 0 : 1), |
| 4279 | WL_BEACON_TIMEOUT); |
| 4280 | if (err) |
| 4281 | goto default_conf_out; |
| 4282 | err = brcmf_dongle_mode(ndev, wdev->iftype); |
| 4283 | if (err && err != -EINPROGRESS) |
| 4284 | goto default_conf_out; |
| 4285 | err = brcmf_dongle_probecap(cfg_priv); |
| 4286 | if (err) |
| 4287 | goto default_conf_out; |
| 4288 | |
| 4289 | /* -EINPROGRESS: Call commit handler */ |
| 4290 | |
| 4291 | default_conf_out: |
| 4292 | |
| 4293 | cfg_priv->dongle_up = true; |
| 4294 | |
| 4295 | return err; |
| 4296 | |
| 4297 | } |
| 4298 | |
| 4299 | static int brcmf_debugfs_add_netdev_params(struct brcmf_cfg80211_priv *cfg_priv) |
| 4300 | { |
| 4301 | char buf[10+IFNAMSIZ]; |
| 4302 | struct dentry *fd; |
| 4303 | s32 err = 0; |
| 4304 | |
| 4305 | sprintf(buf, "netdev:%s", cfg_to_ndev(cfg_priv)->name); |
| 4306 | cfg_priv->debugfsdir = debugfs_create_dir(buf, |
| 4307 | cfg_to_wiphy(cfg_priv)->debugfsdir); |
| 4308 | |
| 4309 | fd = debugfs_create_u16("beacon_int", S_IRUGO, cfg_priv->debugfsdir, |
| 4310 | (u16 *)&cfg_priv->profile->beacon_interval); |
| 4311 | if (!fd) { |
| 4312 | err = -ENOMEM; |
| 4313 | goto err_out; |
| 4314 | } |
| 4315 | |
| 4316 | fd = debugfs_create_u8("dtim_period", S_IRUGO, cfg_priv->debugfsdir, |
| 4317 | (u8 *)&cfg_priv->profile->dtim_period); |
| 4318 | if (!fd) { |
| 4319 | err = -ENOMEM; |
| 4320 | goto err_out; |
| 4321 | } |
| 4322 | |
| 4323 | err_out: |
| 4324 | return err; |
| 4325 | } |
| 4326 | |
| 4327 | static void brcmf_debugfs_remove_netdev(struct brcmf_cfg80211_priv *cfg_priv) |
| 4328 | { |
| 4329 | debugfs_remove_recursive(cfg_priv->debugfsdir); |
| 4330 | cfg_priv->debugfsdir = NULL; |
| 4331 | } |
| 4332 | |
| 4333 | static s32 __brcmf_cfg80211_up(struct brcmf_cfg80211_priv *cfg_priv) |
| 4334 | { |
| 4335 | s32 err = 0; |
| 4336 | |
| 4337 | set_bit(WL_STATUS_READY, &cfg_priv->status); |
| 4338 | |
| 4339 | brcmf_debugfs_add_netdev_params(cfg_priv); |
| 4340 | |
| 4341 | err = brcmf_config_dongle(cfg_priv); |
| 4342 | if (err) |
| 4343 | return err; |
| 4344 | |
| 4345 | brcmf_invoke_iscan(cfg_priv); |
| 4346 | |
| 4347 | return err; |
| 4348 | } |
| 4349 | |
| 4350 | static s32 __brcmf_cfg80211_down(struct brcmf_cfg80211_priv *cfg_priv) |
| 4351 | { |
| 4352 | /* |
| 4353 | * While going down, if associated with AP disassociate |
| 4354 | * from AP to save power |
| 4355 | */ |
| 4356 | if ((test_bit(WL_STATUS_CONNECTED, &cfg_priv->status) || |
| 4357 | test_bit(WL_STATUS_CONNECTING, &cfg_priv->status)) && |
| 4358 | test_bit(WL_STATUS_READY, &cfg_priv->status)) { |
| 4359 | WL_INFO("Disassociating from AP"); |
| 4360 | brcmf_link_down(cfg_priv); |
| 4361 | |
| 4362 | /* Make sure WPA_Supplicant receives all the event |
| 4363 | generated due to DISASSOC call to the fw to keep |
| 4364 | the state fw and WPA_Supplicant state consistent |
| 4365 | */ |
| 4366 | brcmf_delay(500); |
| 4367 | } |
| 4368 | |
| 4369 | set_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); |
| 4370 | brcmf_term_iscan(cfg_priv); |
| 4371 | if (cfg_priv->scan_request) { |
| 4372 | cfg80211_scan_done(cfg_priv->scan_request, true); |
| 4373 | /* May need to perform this to cover rmmod */ |
| 4374 | /* wl_set_mpc(cfg_to_ndev(wl), 1); */ |
| 4375 | cfg_priv->scan_request = NULL; |
| 4376 | } |
| 4377 | clear_bit(WL_STATUS_READY, &cfg_priv->status); |
| 4378 | clear_bit(WL_STATUS_SCANNING, &cfg_priv->status); |
| 4379 | clear_bit(WL_STATUS_SCAN_ABORTING, &cfg_priv->status); |
| 4380 | |
| 4381 | brcmf_debugfs_remove_netdev(cfg_priv); |
| 4382 | |
| 4383 | return 0; |
| 4384 | } |
| 4385 | |
| 4386 | s32 brcmf_cfg80211_up(struct brcmf_cfg80211_dev *cfg_dev) |
| 4387 | { |
| 4388 | struct brcmf_cfg80211_priv *cfg_priv; |
| 4389 | s32 err = 0; |
| 4390 | |
| 4391 | cfg_priv = brcmf_priv_get(cfg_dev); |
| 4392 | mutex_lock(&cfg_priv->usr_sync); |
| 4393 | err = __brcmf_cfg80211_up(cfg_priv); |
| 4394 | mutex_unlock(&cfg_priv->usr_sync); |
| 4395 | |
| 4396 | return err; |
| 4397 | } |
| 4398 | |
| 4399 | s32 brcmf_cfg80211_down(struct brcmf_cfg80211_dev *cfg_dev) |
| 4400 | { |
| 4401 | struct brcmf_cfg80211_priv *cfg_priv; |
| 4402 | s32 err = 0; |
| 4403 | |
| 4404 | cfg_priv = brcmf_priv_get(cfg_dev); |
| 4405 | mutex_lock(&cfg_priv->usr_sync); |
| 4406 | err = __brcmf_cfg80211_down(cfg_priv); |
| 4407 | mutex_unlock(&cfg_priv->usr_sync); |
| 4408 | |
| 4409 | return err; |
| 4410 | } |
| 4411 | |
| 4412 | static __used s32 brcmf_add_ie(struct brcmf_cfg80211_priv *cfg_priv, |
| 4413 | u8 t, u8 l, u8 *v) |
| 4414 | { |
| 4415 | struct brcmf_cfg80211_ie *ie = &cfg_priv->ie; |
| 4416 | s32 err = 0; |
| 4417 | |
| 4418 | if (ie->offset + l + 2 > WL_TLV_INFO_MAX) { |
| 4419 | WL_ERR("ei crosses buffer boundary\n"); |
| 4420 | return -ENOSPC; |
| 4421 | } |
| 4422 | ie->buf[ie->offset] = t; |
| 4423 | ie->buf[ie->offset + 1] = l; |
| 4424 | memcpy(&ie->buf[ie->offset + 2], v, l); |
| 4425 | ie->offset += l + 2; |
| 4426 | |
| 4427 | return err; |
| 4428 | } |