1 /** 2 * Copyright (c) 2014 Redpine Signals Inc. 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 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 #include <linux/etherdevice.h> 18 #include "rsi_debugfs.h" 19 #include "rsi_mgmt.h" 20 #include "rsi_common.h" 21 22 static const struct ieee80211_channel rsi_2ghz_channels[] = { 23 { .band = NL80211_BAND_2GHZ, .center_freq = 2412, 24 .hw_value = 1 }, /* Channel 1 */ 25 { .band = NL80211_BAND_2GHZ, .center_freq = 2417, 26 .hw_value = 2 }, /* Channel 2 */ 27 { .band = NL80211_BAND_2GHZ, .center_freq = 2422, 28 .hw_value = 3 }, /* Channel 3 */ 29 { .band = NL80211_BAND_2GHZ, .center_freq = 2427, 30 .hw_value = 4 }, /* Channel 4 */ 31 { .band = NL80211_BAND_2GHZ, .center_freq = 2432, 32 .hw_value = 5 }, /* Channel 5 */ 33 { .band = NL80211_BAND_2GHZ, .center_freq = 2437, 34 .hw_value = 6 }, /* Channel 6 */ 35 { .band = NL80211_BAND_2GHZ, .center_freq = 2442, 36 .hw_value = 7 }, /* Channel 7 */ 37 { .band = NL80211_BAND_2GHZ, .center_freq = 2447, 38 .hw_value = 8 }, /* Channel 8 */ 39 { .band = NL80211_BAND_2GHZ, .center_freq = 2452, 40 .hw_value = 9 }, /* Channel 9 */ 41 { .band = NL80211_BAND_2GHZ, .center_freq = 2457, 42 .hw_value = 10 }, /* Channel 10 */ 43 { .band = NL80211_BAND_2GHZ, .center_freq = 2462, 44 .hw_value = 11 }, /* Channel 11 */ 45 { .band = NL80211_BAND_2GHZ, .center_freq = 2467, 46 .hw_value = 12 }, /* Channel 12 */ 47 { .band = NL80211_BAND_2GHZ, .center_freq = 2472, 48 .hw_value = 13 }, /* Channel 13 */ 49 { .band = NL80211_BAND_2GHZ, .center_freq = 2484, 50 .hw_value = 14 }, /* Channel 14 */ 51 }; 52 53 static const struct ieee80211_channel rsi_5ghz_channels[] = { 54 { .band = NL80211_BAND_5GHZ, .center_freq = 5180, 55 .hw_value = 36, }, /* Channel 36 */ 56 { .band = NL80211_BAND_5GHZ, .center_freq = 5200, 57 .hw_value = 40, }, /* Channel 40 */ 58 { .band = NL80211_BAND_5GHZ, .center_freq = 5220, 59 .hw_value = 44, }, /* Channel 44 */ 60 { .band = NL80211_BAND_5GHZ, .center_freq = 5240, 61 .hw_value = 48, }, /* Channel 48 */ 62 { .band = NL80211_BAND_5GHZ, .center_freq = 5260, 63 .hw_value = 52, }, /* Channel 52 */ 64 { .band = NL80211_BAND_5GHZ, .center_freq = 5280, 65 .hw_value = 56, }, /* Channel 56 */ 66 { .band = NL80211_BAND_5GHZ, .center_freq = 5300, 67 .hw_value = 60, }, /* Channel 60 */ 68 { .band = NL80211_BAND_5GHZ, .center_freq = 5320, 69 .hw_value = 64, }, /* Channel 64 */ 70 { .band = NL80211_BAND_5GHZ, .center_freq = 5500, 71 .hw_value = 100, }, /* Channel 100 */ 72 { .band = NL80211_BAND_5GHZ, .center_freq = 5520, 73 .hw_value = 104, }, /* Channel 104 */ 74 { .band = NL80211_BAND_5GHZ, .center_freq = 5540, 75 .hw_value = 108, }, /* Channel 108 */ 76 { .band = NL80211_BAND_5GHZ, .center_freq = 5560, 77 .hw_value = 112, }, /* Channel 112 */ 78 { .band = NL80211_BAND_5GHZ, .center_freq = 5580, 79 .hw_value = 116, }, /* Channel 116 */ 80 { .band = NL80211_BAND_5GHZ, .center_freq = 5600, 81 .hw_value = 120, }, /* Channel 120 */ 82 { .band = NL80211_BAND_5GHZ, .center_freq = 5620, 83 .hw_value = 124, }, /* Channel 124 */ 84 { .band = NL80211_BAND_5GHZ, .center_freq = 5640, 85 .hw_value = 128, }, /* Channel 128 */ 86 { .band = NL80211_BAND_5GHZ, .center_freq = 5660, 87 .hw_value = 132, }, /* Channel 132 */ 88 { .band = NL80211_BAND_5GHZ, .center_freq = 5680, 89 .hw_value = 136, }, /* Channel 136 */ 90 { .band = NL80211_BAND_5GHZ, .center_freq = 5700, 91 .hw_value = 140, }, /* Channel 140 */ 92 { .band = NL80211_BAND_5GHZ, .center_freq = 5745, 93 .hw_value = 149, }, /* Channel 149 */ 94 { .band = NL80211_BAND_5GHZ, .center_freq = 5765, 95 .hw_value = 153, }, /* Channel 153 */ 96 { .band = NL80211_BAND_5GHZ, .center_freq = 5785, 97 .hw_value = 157, }, /* Channel 157 */ 98 { .band = NL80211_BAND_5GHZ, .center_freq = 5805, 99 .hw_value = 161, }, /* Channel 161 */ 100 { .band = NL80211_BAND_5GHZ, .center_freq = 5825, 101 .hw_value = 165, }, /* Channel 165 */ 102 }; 103 104 struct ieee80211_rate rsi_rates[12] = { 105 { .bitrate = STD_RATE_01 * 5, .hw_value = RSI_RATE_1 }, 106 { .bitrate = STD_RATE_02 * 5, .hw_value = RSI_RATE_2 }, 107 { .bitrate = STD_RATE_5_5 * 5, .hw_value = RSI_RATE_5_5 }, 108 { .bitrate = STD_RATE_11 * 5, .hw_value = RSI_RATE_11 }, 109 { .bitrate = STD_RATE_06 * 5, .hw_value = RSI_RATE_6 }, 110 { .bitrate = STD_RATE_09 * 5, .hw_value = RSI_RATE_9 }, 111 { .bitrate = STD_RATE_12 * 5, .hw_value = RSI_RATE_12 }, 112 { .bitrate = STD_RATE_18 * 5, .hw_value = RSI_RATE_18 }, 113 { .bitrate = STD_RATE_24 * 5, .hw_value = RSI_RATE_24 }, 114 { .bitrate = STD_RATE_36 * 5, .hw_value = RSI_RATE_36 }, 115 { .bitrate = STD_RATE_48 * 5, .hw_value = RSI_RATE_48 }, 116 { .bitrate = STD_RATE_54 * 5, .hw_value = RSI_RATE_54 }, 117 }; 118 119 const u16 rsi_mcsrates[8] = { 120 RSI_RATE_MCS0, RSI_RATE_MCS1, RSI_RATE_MCS2, RSI_RATE_MCS3, 121 RSI_RATE_MCS4, RSI_RATE_MCS5, RSI_RATE_MCS6, RSI_RATE_MCS7 122 }; 123 124 /** 125 * rsi_is_cipher_wep() - This function determines if the cipher is WEP or not. 126 * @common: Pointer to the driver private structure. 127 * 128 * Return: If cipher type is WEP, a value of 1 is returned, else 0. 129 */ 130 131 bool rsi_is_cipher_wep(struct rsi_common *common) 132 { 133 if (((common->secinfo.gtk_cipher == WLAN_CIPHER_SUITE_WEP104) || 134 (common->secinfo.gtk_cipher == WLAN_CIPHER_SUITE_WEP40)) && 135 (!common->secinfo.ptk_cipher)) 136 return true; 137 else 138 return false; 139 } 140 141 /** 142 * rsi_register_rates_channels() - This function registers channels and rates. 143 * @adapter: Pointer to the adapter structure. 144 * @band: Operating band to be set. 145 * 146 * Return: None. 147 */ 148 static void rsi_register_rates_channels(struct rsi_hw *adapter, int band) 149 { 150 struct ieee80211_supported_band *sbands = &adapter->sbands[band]; 151 void *channels = NULL; 152 153 if (band == NL80211_BAND_2GHZ) { 154 channels = kmalloc(sizeof(rsi_2ghz_channels), GFP_KERNEL); 155 memcpy(channels, 156 rsi_2ghz_channels, 157 sizeof(rsi_2ghz_channels)); 158 sbands->band = NL80211_BAND_2GHZ; 159 sbands->n_channels = ARRAY_SIZE(rsi_2ghz_channels); 160 sbands->bitrates = rsi_rates; 161 sbands->n_bitrates = ARRAY_SIZE(rsi_rates); 162 } else { 163 channels = kmalloc(sizeof(rsi_5ghz_channels), GFP_KERNEL); 164 memcpy(channels, 165 rsi_5ghz_channels, 166 sizeof(rsi_5ghz_channels)); 167 sbands->band = NL80211_BAND_5GHZ; 168 sbands->n_channels = ARRAY_SIZE(rsi_5ghz_channels); 169 sbands->bitrates = &rsi_rates[4]; 170 sbands->n_bitrates = ARRAY_SIZE(rsi_rates) - 4; 171 } 172 173 sbands->channels = channels; 174 175 memset(&sbands->ht_cap, 0, sizeof(struct ieee80211_sta_ht_cap)); 176 sbands->ht_cap.ht_supported = true; 177 sbands->ht_cap.cap = (IEEE80211_HT_CAP_SUP_WIDTH_20_40 | 178 IEEE80211_HT_CAP_SGI_20 | 179 IEEE80211_HT_CAP_SGI_40); 180 sbands->ht_cap.ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K; 181 sbands->ht_cap.ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 182 sbands->ht_cap.mcs.rx_mask[0] = 0xff; 183 sbands->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 184 /* sbands->ht_cap.mcs.rx_highest = 0x82; */ 185 } 186 187 /** 188 * rsi_mac80211_detach() - This function is used to de-initialize the 189 * Mac80211 stack. 190 * @adapter: Pointer to the adapter structure. 191 * 192 * Return: None. 193 */ 194 void rsi_mac80211_detach(struct rsi_hw *adapter) 195 { 196 struct ieee80211_hw *hw = adapter->hw; 197 enum nl80211_band band; 198 199 if (hw) { 200 ieee80211_stop_queues(hw); 201 ieee80211_unregister_hw(hw); 202 ieee80211_free_hw(hw); 203 } 204 205 for (band = 0; band < NUM_NL80211_BANDS; band++) { 206 struct ieee80211_supported_band *sband = 207 &adapter->sbands[band]; 208 209 kfree(sband->channels); 210 } 211 212 #ifdef CONFIG_RSI_DEBUGFS 213 rsi_remove_dbgfs(adapter); 214 kfree(adapter->dfsentry); 215 #endif 216 } 217 EXPORT_SYMBOL_GPL(rsi_mac80211_detach); 218 219 /** 220 * rsi_indicate_tx_status() - This function indicates the transmit status. 221 * @adapter: Pointer to the adapter structure. 222 * @skb: Pointer to the socket buffer structure. 223 * @status: Status 224 * 225 * Return: None. 226 */ 227 void rsi_indicate_tx_status(struct rsi_hw *adapter, 228 struct sk_buff *skb, 229 int status) 230 { 231 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 232 233 memset(info->driver_data, 0, IEEE80211_TX_INFO_DRIVER_DATA_SIZE); 234 235 if (!status) 236 info->flags |= IEEE80211_TX_STAT_ACK; 237 238 ieee80211_tx_status_irqsafe(adapter->hw, skb); 239 } 240 241 /** 242 * rsi_mac80211_tx() - This is the handler that 802.11 module calls for each 243 * transmitted frame.SKB contains the buffer starting 244 * from the IEEE 802.11 header. 245 * @hw: Pointer to the ieee80211_hw structure. 246 * @control: Pointer to the ieee80211_tx_control structure 247 * @skb: Pointer to the socket buffer structure. 248 * 249 * Return: None 250 */ 251 static void rsi_mac80211_tx(struct ieee80211_hw *hw, 252 struct ieee80211_tx_control *control, 253 struct sk_buff *skb) 254 { 255 struct rsi_hw *adapter = hw->priv; 256 struct rsi_common *common = adapter->priv; 257 258 rsi_core_xmit(common, skb); 259 } 260 261 /** 262 * rsi_mac80211_start() - This is first handler that 802.11 module calls, since 263 * the driver init is complete by then, just 264 * returns success. 265 * @hw: Pointer to the ieee80211_hw structure. 266 * 267 * Return: 0 as success. 268 */ 269 static int rsi_mac80211_start(struct ieee80211_hw *hw) 270 { 271 struct rsi_hw *adapter = hw->priv; 272 struct rsi_common *common = adapter->priv; 273 274 mutex_lock(&common->mutex); 275 common->iface_down = false; 276 mutex_unlock(&common->mutex); 277 278 rsi_send_rx_filter_frame(common, 0); 279 280 return 0; 281 } 282 283 /** 284 * rsi_mac80211_stop() - This is the last handler that 802.11 module calls. 285 * @hw: Pointer to the ieee80211_hw structure. 286 * 287 * Return: None. 288 */ 289 static void rsi_mac80211_stop(struct ieee80211_hw *hw) 290 { 291 struct rsi_hw *adapter = hw->priv; 292 struct rsi_common *common = adapter->priv; 293 294 mutex_lock(&common->mutex); 295 common->iface_down = true; 296 mutex_unlock(&common->mutex); 297 } 298 299 /** 300 * rsi_mac80211_add_interface() - This function is called when a netdevice 301 * attached to the hardware is enabled. 302 * @hw: Pointer to the ieee80211_hw structure. 303 * @vif: Pointer to the ieee80211_vif structure. 304 * 305 * Return: ret: 0 on success, negative error code on failure. 306 */ 307 static int rsi_mac80211_add_interface(struct ieee80211_hw *hw, 308 struct ieee80211_vif *vif) 309 { 310 struct rsi_hw *adapter = hw->priv; 311 struct rsi_common *common = adapter->priv; 312 int ret = -EOPNOTSUPP; 313 314 mutex_lock(&common->mutex); 315 switch (vif->type) { 316 case NL80211_IFTYPE_STATION: 317 if (!adapter->sc_nvifs) { 318 ++adapter->sc_nvifs; 319 adapter->vifs[0] = vif; 320 ret = rsi_set_vap_capabilities(common, 321 STA_OPMODE, 322 VAP_ADD); 323 } 324 break; 325 default: 326 rsi_dbg(ERR_ZONE, 327 "%s: Interface type %d not supported\n", __func__, 328 vif->type); 329 } 330 mutex_unlock(&common->mutex); 331 332 return ret; 333 } 334 335 /** 336 * rsi_mac80211_remove_interface() - This function notifies driver that an 337 * interface is going down. 338 * @hw: Pointer to the ieee80211_hw structure. 339 * @vif: Pointer to the ieee80211_vif structure. 340 * 341 * Return: None. 342 */ 343 static void rsi_mac80211_remove_interface(struct ieee80211_hw *hw, 344 struct ieee80211_vif *vif) 345 { 346 struct rsi_hw *adapter = hw->priv; 347 struct rsi_common *common = adapter->priv; 348 349 mutex_lock(&common->mutex); 350 if (vif->type == NL80211_IFTYPE_STATION) { 351 adapter->sc_nvifs--; 352 rsi_set_vap_capabilities(common, STA_OPMODE, VAP_DELETE); 353 } 354 355 if (!memcmp(adapter->vifs[0], vif, sizeof(struct ieee80211_vif))) 356 adapter->vifs[0] = NULL; 357 mutex_unlock(&common->mutex); 358 } 359 360 /** 361 * rsi_channel_change() - This function is a performs the checks 362 * required for changing a channel and sets 363 * the channel accordingly. 364 * @hw: Pointer to the ieee80211_hw structure. 365 * 366 * Return: 0 on success, negative error code on failure. 367 */ 368 static int rsi_channel_change(struct ieee80211_hw *hw) 369 { 370 struct rsi_hw *adapter = hw->priv; 371 struct rsi_common *common = adapter->priv; 372 int status = -EOPNOTSUPP; 373 struct ieee80211_channel *curchan = hw->conf.chandef.chan; 374 u16 channel = curchan->hw_value; 375 struct ieee80211_bss_conf *bss = &adapter->vifs[0]->bss_conf; 376 377 rsi_dbg(INFO_ZONE, 378 "%s: Set channel: %d MHz type: %d channel_no %d\n", 379 __func__, curchan->center_freq, 380 curchan->flags, channel); 381 382 if (bss->assoc) { 383 if (!common->hw_data_qs_blocked && 384 (rsi_get_connected_channel(adapter) != channel)) { 385 rsi_dbg(INFO_ZONE, "blk data q %d\n", channel); 386 if (!rsi_send_block_unblock_frame(common, true)) 387 common->hw_data_qs_blocked = true; 388 } 389 } 390 391 status = rsi_band_check(common); 392 if (!status) 393 status = rsi_set_channel(adapter->priv, curchan); 394 395 if (bss->assoc) { 396 if (common->hw_data_qs_blocked && 397 (rsi_get_connected_channel(adapter) == channel)) { 398 rsi_dbg(INFO_ZONE, "unblk data q %d\n", channel); 399 if (!rsi_send_block_unblock_frame(common, false)) 400 common->hw_data_qs_blocked = false; 401 } 402 } else { 403 if (common->hw_data_qs_blocked) { 404 rsi_dbg(INFO_ZONE, "unblk data q %d\n", channel); 405 if (!rsi_send_block_unblock_frame(common, false)) 406 common->hw_data_qs_blocked = false; 407 } 408 } 409 410 return status; 411 } 412 413 /** 414 * rsi_config_power() - This function configures tx power to device 415 * @hw: Pointer to the ieee80211_hw structure. 416 * 417 * Return: 0 on success, negative error code on failure. 418 */ 419 static int rsi_config_power(struct ieee80211_hw *hw) 420 { 421 struct rsi_hw *adapter = hw->priv; 422 struct rsi_common *common = adapter->priv; 423 struct ieee80211_conf *conf = &hw->conf; 424 425 if (adapter->sc_nvifs <= 0) { 426 rsi_dbg(ERR_ZONE, "%s: No virtual interface found\n", __func__); 427 return -EINVAL; 428 } 429 430 rsi_dbg(INFO_ZONE, 431 "%s: Set tx power: %d dBM\n", __func__, conf->power_level); 432 433 if (conf->power_level == common->tx_power) 434 return 0; 435 436 common->tx_power = conf->power_level; 437 438 return rsi_send_radio_params_update(common); 439 } 440 441 /** 442 * rsi_mac80211_config() - This function is a handler for configuration 443 * requests. The stack calls this function to 444 * change hardware configuration, e.g., channel. 445 * @hw: Pointer to the ieee80211_hw structure. 446 * @changed: Changed flags set. 447 * 448 * Return: 0 on success, negative error code on failure. 449 */ 450 static int rsi_mac80211_config(struct ieee80211_hw *hw, 451 u32 changed) 452 { 453 struct rsi_hw *adapter = hw->priv; 454 struct rsi_common *common = adapter->priv; 455 int status = -EOPNOTSUPP; 456 457 mutex_lock(&common->mutex); 458 459 if (changed & IEEE80211_CONF_CHANGE_CHANNEL) 460 status = rsi_channel_change(hw); 461 462 /* tx power */ 463 if (changed & IEEE80211_CONF_CHANGE_POWER) { 464 rsi_dbg(INFO_ZONE, "%s: Configuring Power\n", __func__); 465 status = rsi_config_power(hw); 466 } 467 468 mutex_unlock(&common->mutex); 469 470 return status; 471 } 472 473 /** 474 * rsi_get_connected_channel() - This function is used to get the current 475 * connected channel number. 476 * @adapter: Pointer to the adapter structure. 477 * 478 * Return: Current connected AP's channel number is returned. 479 */ 480 u16 rsi_get_connected_channel(struct rsi_hw *adapter) 481 { 482 struct ieee80211_vif *vif = adapter->vifs[0]; 483 if (vif) { 484 struct ieee80211_bss_conf *bss = &vif->bss_conf; 485 struct ieee80211_channel *channel = bss->chandef.chan; 486 return channel->hw_value; 487 } 488 489 return 0; 490 } 491 492 /** 493 * rsi_mac80211_bss_info_changed() - This function is a handler for config 494 * requests related to BSS parameters that 495 * may vary during BSS's lifespan. 496 * @hw: Pointer to the ieee80211_hw structure. 497 * @vif: Pointer to the ieee80211_vif structure. 498 * @bss_conf: Pointer to the ieee80211_bss_conf structure. 499 * @changed: Changed flags set. 500 * 501 * Return: None. 502 */ 503 static void rsi_mac80211_bss_info_changed(struct ieee80211_hw *hw, 504 struct ieee80211_vif *vif, 505 struct ieee80211_bss_conf *bss_conf, 506 u32 changed) 507 { 508 struct rsi_hw *adapter = hw->priv; 509 struct rsi_common *common = adapter->priv; 510 u16 rx_filter_word = 0; 511 512 mutex_lock(&common->mutex); 513 if (changed & BSS_CHANGED_ASSOC) { 514 rsi_dbg(INFO_ZONE, "%s: Changed Association status: %d\n", 515 __func__, bss_conf->assoc); 516 if (bss_conf->assoc) { 517 /* Send the RX filter frame */ 518 rx_filter_word = (ALLOW_DATA_ASSOC_PEER | 519 ALLOW_CTRL_ASSOC_PEER | 520 ALLOW_MGMT_ASSOC_PEER); 521 rsi_send_rx_filter_frame(common, rx_filter_word); 522 } 523 rsi_inform_bss_status(common, 524 bss_conf->assoc, 525 bss_conf->bssid, 526 bss_conf->qos, 527 bss_conf->aid); 528 } 529 530 if (changed & BSS_CHANGED_CQM) { 531 common->cqm_info.last_cqm_event_rssi = 0; 532 common->cqm_info.rssi_thold = bss_conf->cqm_rssi_thold; 533 common->cqm_info.rssi_hyst = bss_conf->cqm_rssi_hyst; 534 rsi_dbg(INFO_ZONE, "RSSI throld & hysteresis are: %d %d\n", 535 common->cqm_info.rssi_thold, 536 common->cqm_info.rssi_hyst); 537 } 538 mutex_unlock(&common->mutex); 539 } 540 541 /** 542 * rsi_mac80211_conf_filter() - This function configure the device's RX filter. 543 * @hw: Pointer to the ieee80211_hw structure. 544 * @changed: Changed flags set. 545 * @total_flags: Total initial flags set. 546 * @multicast: Multicast. 547 * 548 * Return: None. 549 */ 550 static void rsi_mac80211_conf_filter(struct ieee80211_hw *hw, 551 u32 changed_flags, 552 u32 *total_flags, 553 u64 multicast) 554 { 555 /* Not doing much here as of now */ 556 *total_flags &= RSI_SUPP_FILTERS; 557 } 558 559 /** 560 * rsi_mac80211_conf_tx() - This function configures TX queue parameters 561 * (EDCF (aifs, cw_min, cw_max), bursting) 562 * for a hardware TX queue. 563 * @hw: Pointer to the ieee80211_hw structure 564 * @vif: Pointer to the ieee80211_vif structure. 565 * @queue: Queue number. 566 * @params: Pointer to ieee80211_tx_queue_params structure. 567 * 568 * Return: 0 on success, negative error code on failure. 569 */ 570 static int rsi_mac80211_conf_tx(struct ieee80211_hw *hw, 571 struct ieee80211_vif *vif, u16 queue, 572 const struct ieee80211_tx_queue_params *params) 573 { 574 struct rsi_hw *adapter = hw->priv; 575 struct rsi_common *common = adapter->priv; 576 u8 idx = 0; 577 578 if (queue >= IEEE80211_NUM_ACS) 579 return 0; 580 581 rsi_dbg(INFO_ZONE, 582 "%s: Conf queue %d, aifs: %d, cwmin: %d cwmax: %d, txop: %d\n", 583 __func__, queue, params->aifs, 584 params->cw_min, params->cw_max, params->txop); 585 586 mutex_lock(&common->mutex); 587 /* Map into the way the f/w expects */ 588 switch (queue) { 589 case IEEE80211_AC_VO: 590 idx = VO_Q; 591 break; 592 case IEEE80211_AC_VI: 593 idx = VI_Q; 594 break; 595 case IEEE80211_AC_BE: 596 idx = BE_Q; 597 break; 598 case IEEE80211_AC_BK: 599 idx = BK_Q; 600 break; 601 default: 602 idx = BE_Q; 603 break; 604 } 605 606 memcpy(&common->edca_params[idx], 607 params, 608 sizeof(struct ieee80211_tx_queue_params)); 609 mutex_unlock(&common->mutex); 610 611 return 0; 612 } 613 614 /** 615 * rsi_hal_key_config() - This function loads the keys into the firmware. 616 * @hw: Pointer to the ieee80211_hw structure. 617 * @vif: Pointer to the ieee80211_vif structure. 618 * @key: Pointer to the ieee80211_key_conf structure. 619 * 620 * Return: status: 0 on success, -1 on failure. 621 */ 622 static int rsi_hal_key_config(struct ieee80211_hw *hw, 623 struct ieee80211_vif *vif, 624 struct ieee80211_key_conf *key) 625 { 626 struct rsi_hw *adapter = hw->priv; 627 int status; 628 u8 key_type; 629 630 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 631 key_type = RSI_PAIRWISE_KEY; 632 else 633 key_type = RSI_GROUP_KEY; 634 635 rsi_dbg(ERR_ZONE, "%s: Cipher 0x%x key_type: %d key_len: %d\n", 636 __func__, key->cipher, key_type, key->keylen); 637 638 if ((key->cipher == WLAN_CIPHER_SUITE_WEP104) || 639 (key->cipher == WLAN_CIPHER_SUITE_WEP40)) { 640 status = rsi_hal_load_key(adapter->priv, 641 key->key, 642 key->keylen, 643 RSI_PAIRWISE_KEY, 644 key->keyidx, 645 key->cipher); 646 if (status) 647 return status; 648 } 649 return rsi_hal_load_key(adapter->priv, 650 key->key, 651 key->keylen, 652 key_type, 653 key->keyidx, 654 key->cipher); 655 } 656 657 /** 658 * rsi_mac80211_set_key() - This function sets type of key to be loaded. 659 * @hw: Pointer to the ieee80211_hw structure. 660 * @cmd: enum set_key_cmd. 661 * @vif: Pointer to the ieee80211_vif structure. 662 * @sta: Pointer to the ieee80211_sta structure. 663 * @key: Pointer to the ieee80211_key_conf structure. 664 * 665 * Return: status: 0 on success, negative error code on failure. 666 */ 667 static int rsi_mac80211_set_key(struct ieee80211_hw *hw, 668 enum set_key_cmd cmd, 669 struct ieee80211_vif *vif, 670 struct ieee80211_sta *sta, 671 struct ieee80211_key_conf *key) 672 { 673 struct rsi_hw *adapter = hw->priv; 674 struct rsi_common *common = adapter->priv; 675 struct security_info *secinfo = &common->secinfo; 676 int status; 677 678 mutex_lock(&common->mutex); 679 switch (cmd) { 680 case SET_KEY: 681 secinfo->security_enable = true; 682 status = rsi_hal_key_config(hw, vif, key); 683 if (status) { 684 mutex_unlock(&common->mutex); 685 return status; 686 } 687 688 if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) 689 secinfo->ptk_cipher = key->cipher; 690 else 691 secinfo->gtk_cipher = key->cipher; 692 693 key->hw_key_idx = key->keyidx; 694 key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 695 696 rsi_dbg(ERR_ZONE, "%s: RSI set_key\n", __func__); 697 break; 698 699 case DISABLE_KEY: 700 secinfo->security_enable = false; 701 rsi_dbg(ERR_ZONE, "%s: RSI del key\n", __func__); 702 memset(key, 0, sizeof(struct ieee80211_key_conf)); 703 status = rsi_hal_key_config(hw, vif, key); 704 break; 705 706 default: 707 status = -EOPNOTSUPP; 708 break; 709 } 710 711 mutex_unlock(&common->mutex); 712 return status; 713 } 714 715 /** 716 * rsi_mac80211_ampdu_action() - This function selects the AMPDU action for 717 * the corresponding mlme_action flag and 718 * informs the f/w regarding this. 719 * @hw: Pointer to the ieee80211_hw structure. 720 * @vif: Pointer to the ieee80211_vif structure. 721 * @params: Pointer to A-MPDU action parameters 722 * 723 * Return: status: 0 on success, negative error code on failure. 724 */ 725 static int rsi_mac80211_ampdu_action(struct ieee80211_hw *hw, 726 struct ieee80211_vif *vif, 727 struct ieee80211_ampdu_params *params) 728 { 729 int status = -EOPNOTSUPP; 730 struct rsi_hw *adapter = hw->priv; 731 struct rsi_common *common = adapter->priv; 732 u16 seq_no = 0; 733 u8 ii = 0; 734 struct ieee80211_sta *sta = params->sta; 735 enum ieee80211_ampdu_mlme_action action = params->action; 736 u16 tid = params->tid; 737 u16 *ssn = ¶ms->ssn; 738 u8 buf_size = params->buf_size; 739 740 for (ii = 0; ii < RSI_MAX_VIFS; ii++) { 741 if (vif == adapter->vifs[ii]) 742 break; 743 } 744 745 mutex_lock(&common->mutex); 746 rsi_dbg(INFO_ZONE, "%s: AMPDU action %d called\n", __func__, action); 747 if (ssn != NULL) 748 seq_no = *ssn; 749 750 switch (action) { 751 case IEEE80211_AMPDU_RX_START: 752 status = rsi_send_aggregation_params_frame(common, 753 tid, 754 seq_no, 755 buf_size, 756 STA_RX_ADDBA_DONE); 757 break; 758 759 case IEEE80211_AMPDU_RX_STOP: 760 status = rsi_send_aggregation_params_frame(common, 761 tid, 762 0, 763 buf_size, 764 STA_RX_DELBA); 765 break; 766 767 case IEEE80211_AMPDU_TX_START: 768 common->vif_info[ii].seq_start = seq_no; 769 ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); 770 status = 0; 771 break; 772 773 case IEEE80211_AMPDU_TX_STOP_CONT: 774 case IEEE80211_AMPDU_TX_STOP_FLUSH: 775 case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: 776 status = rsi_send_aggregation_params_frame(common, 777 tid, 778 seq_no, 779 buf_size, 780 STA_TX_DELBA); 781 if (!status) 782 ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); 783 break; 784 785 case IEEE80211_AMPDU_TX_OPERATIONAL: 786 status = rsi_send_aggregation_params_frame(common, 787 tid, 788 common->vif_info[ii] 789 .seq_start, 790 buf_size, 791 STA_TX_ADDBA_DONE); 792 break; 793 794 default: 795 rsi_dbg(ERR_ZONE, "%s: Uknown AMPDU action\n", __func__); 796 break; 797 } 798 799 mutex_unlock(&common->mutex); 800 return status; 801 } 802 803 /** 804 * rsi_mac80211_set_rts_threshold() - This function sets rts threshold value. 805 * @hw: Pointer to the ieee80211_hw structure. 806 * @value: Rts threshold value. 807 * 808 * Return: 0 on success. 809 */ 810 static int rsi_mac80211_set_rts_threshold(struct ieee80211_hw *hw, 811 u32 value) 812 { 813 struct rsi_hw *adapter = hw->priv; 814 struct rsi_common *common = adapter->priv; 815 816 mutex_lock(&common->mutex); 817 common->rts_threshold = value; 818 mutex_unlock(&common->mutex); 819 820 return 0; 821 } 822 823 /** 824 * rsi_mac80211_set_rate_mask() - This function sets bitrate_mask to be used. 825 * @hw: Pointer to the ieee80211_hw structure 826 * @vif: Pointer to the ieee80211_vif structure. 827 * @mask: Pointer to the cfg80211_bitrate_mask structure. 828 * 829 * Return: 0 on success. 830 */ 831 static int rsi_mac80211_set_rate_mask(struct ieee80211_hw *hw, 832 struct ieee80211_vif *vif, 833 const struct cfg80211_bitrate_mask *mask) 834 { 835 struct rsi_hw *adapter = hw->priv; 836 struct rsi_common *common = adapter->priv; 837 enum nl80211_band band = hw->conf.chandef.chan->band; 838 839 mutex_lock(&common->mutex); 840 common->fixedrate_mask[band] = 0; 841 842 if (mask->control[band].legacy == 0xfff) { 843 common->fixedrate_mask[band] = 844 (mask->control[band].ht_mcs[0] << 12); 845 } else { 846 common->fixedrate_mask[band] = 847 mask->control[band].legacy; 848 } 849 mutex_unlock(&common->mutex); 850 851 return 0; 852 } 853 854 /** 855 * rsi_perform_cqm() - This function performs cqm. 856 * @common: Pointer to the driver private structure. 857 * @bssid: pointer to the bssid. 858 * @rssi: RSSI value. 859 */ 860 static void rsi_perform_cqm(struct rsi_common *common, 861 u8 *bssid, 862 s8 rssi) 863 { 864 struct rsi_hw *adapter = common->priv; 865 s8 last_event = common->cqm_info.last_cqm_event_rssi; 866 int thold = common->cqm_info.rssi_thold; 867 u32 hyst = common->cqm_info.rssi_hyst; 868 enum nl80211_cqm_rssi_threshold_event event; 869 870 if (rssi < thold && (last_event == 0 || rssi < (last_event - hyst))) 871 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW; 872 else if (rssi > thold && 873 (last_event == 0 || rssi > (last_event + hyst))) 874 event = NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH; 875 else 876 return; 877 878 common->cqm_info.last_cqm_event_rssi = rssi; 879 rsi_dbg(INFO_ZONE, "CQM: Notifying event: %d\n", event); 880 ieee80211_cqm_rssi_notify(adapter->vifs[0], event, rssi, GFP_KERNEL); 881 882 return; 883 } 884 885 /** 886 * rsi_fill_rx_status() - This function fills rx status in 887 * ieee80211_rx_status structure. 888 * @hw: Pointer to the ieee80211_hw structure. 889 * @skb: Pointer to the socket buffer structure. 890 * @common: Pointer to the driver private structure. 891 * @rxs: Pointer to the ieee80211_rx_status structure. 892 * 893 * Return: None. 894 */ 895 static void rsi_fill_rx_status(struct ieee80211_hw *hw, 896 struct sk_buff *skb, 897 struct rsi_common *common, 898 struct ieee80211_rx_status *rxs) 899 { 900 struct ieee80211_bss_conf *bss = &common->priv->vifs[0]->bss_conf; 901 struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); 902 struct skb_info *rx_params = (struct skb_info *)info->driver_data; 903 struct ieee80211_hdr *hdr; 904 char rssi = rx_params->rssi; 905 u8 hdrlen = 0; 906 u8 channel = rx_params->channel; 907 s32 freq; 908 909 hdr = ((struct ieee80211_hdr *)(skb->data)); 910 hdrlen = ieee80211_hdrlen(hdr->frame_control); 911 912 memset(info, 0, sizeof(struct ieee80211_tx_info)); 913 914 rxs->signal = -(rssi); 915 916 rxs->band = common->band; 917 918 freq = ieee80211_channel_to_frequency(channel, rxs->band); 919 920 if (freq) 921 rxs->freq = freq; 922 923 if (ieee80211_has_protected(hdr->frame_control)) { 924 if (rsi_is_cipher_wep(common)) { 925 memmove(skb->data + 4, skb->data, hdrlen); 926 skb_pull(skb, 4); 927 } else { 928 memmove(skb->data + 8, skb->data, hdrlen); 929 skb_pull(skb, 8); 930 rxs->flag |= RX_FLAG_MMIC_STRIPPED; 931 } 932 rxs->flag |= RX_FLAG_DECRYPTED; 933 rxs->flag |= RX_FLAG_IV_STRIPPED; 934 } 935 936 /* CQM only for connected AP beacons, the RSSI is a weighted avg */ 937 if (bss->assoc && !(memcmp(bss->bssid, hdr->addr2, ETH_ALEN))) { 938 if (ieee80211_is_beacon(hdr->frame_control)) 939 rsi_perform_cqm(common, hdr->addr2, rxs->signal); 940 } 941 942 return; 943 } 944 945 /** 946 * rsi_indicate_pkt_to_os() - This function sends recieved packet to mac80211. 947 * @common: Pointer to the driver private structure. 948 * @skb: Pointer to the socket buffer structure. 949 * 950 * Return: None. 951 */ 952 void rsi_indicate_pkt_to_os(struct rsi_common *common, 953 struct sk_buff *skb) 954 { 955 struct rsi_hw *adapter = common->priv; 956 struct ieee80211_hw *hw = adapter->hw; 957 struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); 958 959 if ((common->iface_down) || (!adapter->sc_nvifs)) { 960 dev_kfree_skb(skb); 961 return; 962 } 963 964 /* filling in the ieee80211_rx_status flags */ 965 rsi_fill_rx_status(hw, skb, common, rx_status); 966 967 ieee80211_rx_irqsafe(hw, skb); 968 } 969 970 static void rsi_set_min_rate(struct ieee80211_hw *hw, 971 struct ieee80211_sta *sta, 972 struct rsi_common *common) 973 { 974 u8 band = hw->conf.chandef.chan->band; 975 u8 ii; 976 u32 rate_bitmap; 977 bool matched = false; 978 979 common->bitrate_mask[band] = sta->supp_rates[band]; 980 981 rate_bitmap = (common->fixedrate_mask[band] & sta->supp_rates[band]); 982 983 if (rate_bitmap & 0xfff) { 984 /* Find out the min rate */ 985 for (ii = 0; ii < ARRAY_SIZE(rsi_rates); ii++) { 986 if (rate_bitmap & BIT(ii)) { 987 common->min_rate = rsi_rates[ii].hw_value; 988 matched = true; 989 break; 990 } 991 } 992 } 993 994 common->vif_info[0].is_ht = sta->ht_cap.ht_supported; 995 996 if ((common->vif_info[0].is_ht) && (rate_bitmap >> 12)) { 997 for (ii = 0; ii < ARRAY_SIZE(rsi_mcsrates); ii++) { 998 if ((rate_bitmap >> 12) & BIT(ii)) { 999 common->min_rate = rsi_mcsrates[ii]; 1000 matched = true; 1001 break; 1002 } 1003 } 1004 } 1005 1006 if (!matched) 1007 common->min_rate = 0xffff; 1008 } 1009 1010 /** 1011 * rsi_mac80211_sta_add() - This function notifies driver about a peer getting 1012 * connected. 1013 * @hw: pointer to the ieee80211_hw structure. 1014 * @vif: Pointer to the ieee80211_vif structure. 1015 * @sta: Pointer to the ieee80211_sta structure. 1016 * 1017 * Return: 0 on success, -1 on failure. 1018 */ 1019 static int rsi_mac80211_sta_add(struct ieee80211_hw *hw, 1020 struct ieee80211_vif *vif, 1021 struct ieee80211_sta *sta) 1022 { 1023 struct rsi_hw *adapter = hw->priv; 1024 struct rsi_common *common = adapter->priv; 1025 1026 mutex_lock(&common->mutex); 1027 1028 rsi_set_min_rate(hw, sta, common); 1029 1030 if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) || 1031 (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)) { 1032 common->vif_info[0].sgi = true; 1033 } 1034 1035 if (sta->ht_cap.ht_supported) 1036 ieee80211_start_tx_ba_session(sta, 0, 0); 1037 1038 mutex_unlock(&common->mutex); 1039 1040 return 0; 1041 } 1042 1043 /** 1044 * rsi_mac80211_sta_remove() - This function notifies driver about a peer 1045 * getting disconnected. 1046 * @hw: Pointer to the ieee80211_hw structure. 1047 * @vif: Pointer to the ieee80211_vif structure. 1048 * @sta: Pointer to the ieee80211_sta structure. 1049 * 1050 * Return: 0 on success, -1 on failure. 1051 */ 1052 static int rsi_mac80211_sta_remove(struct ieee80211_hw *hw, 1053 struct ieee80211_vif *vif, 1054 struct ieee80211_sta *sta) 1055 { 1056 struct rsi_hw *adapter = hw->priv; 1057 struct rsi_common *common = adapter->priv; 1058 1059 mutex_lock(&common->mutex); 1060 1061 /* Resetting all the fields to default values */ 1062 common->bitrate_mask[NL80211_BAND_2GHZ] = 0; 1063 common->bitrate_mask[NL80211_BAND_5GHZ] = 0; 1064 common->min_rate = 0xffff; 1065 common->vif_info[0].is_ht = false; 1066 common->vif_info[0].sgi = false; 1067 common->vif_info[0].seq_start = 0; 1068 common->secinfo.ptk_cipher = 0; 1069 common->secinfo.gtk_cipher = 0; 1070 1071 rsi_send_rx_filter_frame(common, 0); 1072 1073 mutex_unlock(&common->mutex); 1074 1075 return 0; 1076 } 1077 1078 /** 1079 * rsi_mac80211_set_antenna() - This function is used to configure 1080 * tx and rx antennas. 1081 * @hw: Pointer to the ieee80211_hw structure. 1082 * @tx_ant: Bitmap for tx antenna 1083 * @rx_ant: Bitmap for rx antenna 1084 * 1085 * Return: 0 on success, Negative error code on failure. 1086 */ 1087 static int rsi_mac80211_set_antenna(struct ieee80211_hw *hw, 1088 u32 tx_ant, u32 rx_ant) 1089 { 1090 struct rsi_hw *adapter = hw->priv; 1091 struct rsi_common *common = adapter->priv; 1092 u8 antenna = 0; 1093 1094 if (tx_ant > 1 || rx_ant > 1) { 1095 rsi_dbg(ERR_ZONE, 1096 "Invalid antenna selection (tx: %d, rx:%d)\n", 1097 tx_ant, rx_ant); 1098 rsi_dbg(ERR_ZONE, 1099 "Use 0 for int_ant, 1 for ext_ant\n"); 1100 return -EINVAL; 1101 } 1102 1103 rsi_dbg(INFO_ZONE, "%s: Antenna map Tx %x Rx %d\n", 1104 __func__, tx_ant, rx_ant); 1105 1106 mutex_lock(&common->mutex); 1107 1108 antenna = tx_ant ? ANTENNA_SEL_UFL : ANTENNA_SEL_INT; 1109 if (common->ant_in_use != antenna) 1110 if (rsi_set_antenna(common, antenna)) 1111 goto fail_set_antenna; 1112 1113 rsi_dbg(INFO_ZONE, "(%s) Antenna path configured successfully\n", 1114 tx_ant ? "UFL" : "INT"); 1115 1116 common->ant_in_use = antenna; 1117 1118 mutex_unlock(&common->mutex); 1119 1120 return 0; 1121 1122 fail_set_antenna: 1123 rsi_dbg(ERR_ZONE, "%s: Failed.\n", __func__); 1124 mutex_unlock(&common->mutex); 1125 return -EINVAL; 1126 } 1127 1128 /** 1129 * rsi_mac80211_get_antenna() - This function is used to configure 1130 * tx and rx antennas. 1131 * 1132 * @hw: Pointer to the ieee80211_hw structure. 1133 * @tx_ant: Bitmap for tx antenna 1134 * @rx_ant: Bitmap for rx antenna 1135 * 1136 * Return: 0 on success, -1 on failure. 1137 */ 1138 static int rsi_mac80211_get_antenna(struct ieee80211_hw *hw, 1139 u32 *tx_ant, u32 *rx_ant) 1140 { 1141 struct rsi_hw *adapter = hw->priv; 1142 struct rsi_common *common = adapter->priv; 1143 1144 mutex_lock(&common->mutex); 1145 1146 *tx_ant = (common->ant_in_use == ANTENNA_SEL_UFL) ? 1 : 0; 1147 *rx_ant = 0; 1148 1149 mutex_unlock(&common->mutex); 1150 1151 return 0; 1152 } 1153 1154 static void rsi_reg_notify(struct wiphy *wiphy, 1155 struct regulatory_request *request) 1156 { 1157 struct ieee80211_supported_band *sband; 1158 struct ieee80211_channel *ch; 1159 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 1160 struct rsi_hw * adapter = hw->priv; 1161 int i; 1162 1163 sband = wiphy->bands[NL80211_BAND_5GHZ]; 1164 1165 for (i = 0; i < sband->n_channels; i++) { 1166 ch = &sband->channels[i]; 1167 if (ch->flags & IEEE80211_CHAN_DISABLED) 1168 continue; 1169 1170 if (ch->flags & IEEE80211_CHAN_RADAR) 1171 ch->flags |= IEEE80211_CHAN_NO_IR; 1172 } 1173 1174 rsi_dbg(INFO_ZONE, 1175 "country = %s dfs_region = %d\n", 1176 request->alpha2, request->dfs_region); 1177 adapter->dfs_region = request->dfs_region; 1178 } 1179 1180 static struct ieee80211_ops mac80211_ops = { 1181 .tx = rsi_mac80211_tx, 1182 .start = rsi_mac80211_start, 1183 .stop = rsi_mac80211_stop, 1184 .add_interface = rsi_mac80211_add_interface, 1185 .remove_interface = rsi_mac80211_remove_interface, 1186 .config = rsi_mac80211_config, 1187 .bss_info_changed = rsi_mac80211_bss_info_changed, 1188 .conf_tx = rsi_mac80211_conf_tx, 1189 .configure_filter = rsi_mac80211_conf_filter, 1190 .set_key = rsi_mac80211_set_key, 1191 .set_rts_threshold = rsi_mac80211_set_rts_threshold, 1192 .set_bitrate_mask = rsi_mac80211_set_rate_mask, 1193 .ampdu_action = rsi_mac80211_ampdu_action, 1194 .sta_add = rsi_mac80211_sta_add, 1195 .sta_remove = rsi_mac80211_sta_remove, 1196 .set_antenna = rsi_mac80211_set_antenna, 1197 .get_antenna = rsi_mac80211_get_antenna, 1198 }; 1199 1200 /** 1201 * rsi_mac80211_attach() - This function is used to initialize Mac80211 stack. 1202 * @common: Pointer to the driver private structure. 1203 * 1204 * Return: 0 on success, -1 on failure. 1205 */ 1206 int rsi_mac80211_attach(struct rsi_common *common) 1207 { 1208 int status = 0; 1209 struct ieee80211_hw *hw = NULL; 1210 struct wiphy *wiphy = NULL; 1211 struct rsi_hw *adapter = common->priv; 1212 u8 addr_mask[ETH_ALEN] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x3}; 1213 1214 rsi_dbg(INIT_ZONE, "%s: Performing mac80211 attach\n", __func__); 1215 1216 hw = ieee80211_alloc_hw(sizeof(struct rsi_hw), &mac80211_ops); 1217 if (!hw) { 1218 rsi_dbg(ERR_ZONE, "%s: ieee80211 hw alloc failed\n", __func__); 1219 return -ENOMEM; 1220 } 1221 1222 wiphy = hw->wiphy; 1223 1224 SET_IEEE80211_DEV(hw, adapter->device); 1225 1226 hw->priv = adapter; 1227 adapter->hw = hw; 1228 1229 ieee80211_hw_set(hw, SIGNAL_DBM); 1230 ieee80211_hw_set(hw, HAS_RATE_CONTROL); 1231 ieee80211_hw_set(hw, AMPDU_AGGREGATION); 1232 1233 hw->queues = MAX_HW_QUEUES; 1234 hw->extra_tx_headroom = RSI_NEEDED_HEADROOM; 1235 1236 hw->max_rates = 1; 1237 hw->max_rate_tries = MAX_RETRIES; 1238 1239 hw->max_tx_aggregation_subframes = 6; 1240 rsi_register_rates_channels(adapter, NL80211_BAND_2GHZ); 1241 rsi_register_rates_channels(adapter, NL80211_BAND_5GHZ); 1242 hw->rate_control_algorithm = "AARF"; 1243 1244 SET_IEEE80211_PERM_ADDR(hw, common->mac_addr); 1245 ether_addr_copy(hw->wiphy->addr_mask, addr_mask); 1246 1247 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 1248 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 1249 wiphy->retry_short = RETRY_SHORT; 1250 wiphy->retry_long = RETRY_LONG; 1251 wiphy->frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD; 1252 wiphy->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; 1253 wiphy->flags = 0; 1254 1255 wiphy->available_antennas_rx = 1; 1256 wiphy->available_antennas_tx = 1; 1257 wiphy->bands[NL80211_BAND_2GHZ] = 1258 &adapter->sbands[NL80211_BAND_2GHZ]; 1259 wiphy->bands[NL80211_BAND_5GHZ] = 1260 &adapter->sbands[NL80211_BAND_5GHZ]; 1261 1262 wiphy->reg_notifier = rsi_reg_notify; 1263 1264 wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); 1265 1266 status = ieee80211_register_hw(hw); 1267 if (status) 1268 return status; 1269 1270 return rsi_init_dbgfs(adapter); 1271 } 1272