Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Marvell Wireless LAN device driver: major functions |
| 3 | * |
| 4 | * Copyright (C) 2011, Marvell International Ltd. |
| 5 | * |
| 6 | * This software file (the "File") is distributed by Marvell International |
| 7 | * Ltd. under the terms of the GNU General Public License Version 2, June 1991 |
| 8 | * (the "License"). You may use, redistribute and/or modify this File in |
| 9 | * accordance with the terms and conditions of the License, a copy of which |
| 10 | * is available by writing to the Free Software Foundation, Inc., |
| 11 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the |
| 12 | * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
| 13 | * |
| 14 | * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
| 16 | * ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
| 17 | * this warranty disclaimer. |
| 18 | */ |
| 19 | |
| 20 | #include "main.h" |
| 21 | #include "wmm.h" |
| 22 | #include "cfg80211.h" |
| 23 | #include "11n.h" |
| 24 | |
| 25 | #define VERSION "1.0" |
| 26 | |
| 27 | const char driver_version[] = "mwifiex " VERSION " (%s) "; |
| 28 | |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 29 | /* |
| 30 | * This function registers the device and performs all the necessary |
| 31 | * initializations. |
| 32 | * |
| 33 | * The following initialization operations are performed - |
| 34 | * - Allocate adapter structure |
| 35 | * - Save interface specific operations table in adapter |
| 36 | * - Call interface specific initialization routine |
| 37 | * - Allocate private structures |
| 38 | * - Set default adapter structure parameters |
| 39 | * - Initialize locks |
| 40 | * |
| 41 | * In case of any errors during inittialization, this function also ensures |
| 42 | * proper cleanup before exiting. |
| 43 | */ |
| 44 | static int mwifiex_register(void *card, struct mwifiex_if_ops *if_ops, |
Amitkumar Karwar | 287546d | 2011-06-08 20:39:20 +0530 | [diff] [blame] | 45 | void **padapter) |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 46 | { |
Amitkumar Karwar | 2be7859 | 2011-04-15 20:50:42 -0700 | [diff] [blame] | 47 | struct mwifiex_adapter *adapter; |
| 48 | int i; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 49 | |
| 50 | adapter = kzalloc(sizeof(struct mwifiex_adapter), GFP_KERNEL); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 51 | if (!adapter) |
Christoph Fritz | b53575e | 2011-05-08 22:50:09 +0200 | [diff] [blame] | 52 | return -ENOMEM; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 53 | |
Amitkumar Karwar | 287546d | 2011-06-08 20:39:20 +0530 | [diff] [blame] | 54 | *padapter = adapter; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 55 | adapter->card = card; |
| 56 | |
| 57 | /* Save interface specific operations in adapter */ |
| 58 | memmove(&adapter->if_ops, if_ops, sizeof(struct mwifiex_if_ops)); |
| 59 | |
| 60 | /* card specific initialization has been deferred until now .. */ |
Yogesh Ashok Powar | 636c459 | 2011-04-15 20:50:40 -0700 | [diff] [blame] | 61 | if (adapter->if_ops.init_if(adapter)) |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 62 | goto error; |
| 63 | |
| 64 | adapter->priv_num = 0; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 65 | |
Yogesh Ashok Powar | 93a1df4 | 2011-09-26 20:37:26 -0700 | [diff] [blame^] | 66 | /* Allocate memory for private structure */ |
| 67 | adapter->priv[0] = kzalloc(sizeof(struct mwifiex_private), |
| 68 | GFP_KERNEL); |
| 69 | if (!adapter->priv[0]) { |
| 70 | dev_err(adapter->dev, "%s: failed to alloc priv[0]\n", |
| 71 | __func__); |
| 72 | goto error; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 73 | } |
| 74 | |
Yogesh Ashok Powar | 93a1df4 | 2011-09-26 20:37:26 -0700 | [diff] [blame^] | 75 | adapter->priv_num++; |
| 76 | |
| 77 | adapter->priv[0]->adapter = adapter; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 78 | if (mwifiex_init_lock_list(adapter)) |
| 79 | goto error; |
| 80 | |
| 81 | init_timer(&adapter->cmd_timer); |
| 82 | adapter->cmd_timer.function = mwifiex_cmd_timeout_func; |
| 83 | adapter->cmd_timer.data = (unsigned long) adapter; |
| 84 | |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 85 | return 0; |
| 86 | |
| 87 | error: |
| 88 | dev_dbg(adapter->dev, "info: leave mwifiex_register with error\n"); |
| 89 | |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 90 | mwifiex_free_lock_list(adapter); |
Yogesh Ashok Powar | 93a1df4 | 2011-09-26 20:37:26 -0700 | [diff] [blame^] | 91 | |
| 92 | for (i = 0; i < adapter->priv_num; i++) |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 93 | kfree(adapter->priv[i]); |
Yogesh Ashok Powar | 93a1df4 | 2011-09-26 20:37:26 -0700 | [diff] [blame^] | 94 | |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 95 | kfree(adapter); |
| 96 | |
| 97 | return -1; |
| 98 | } |
| 99 | |
| 100 | /* |
| 101 | * This function unregisters the device and performs all the necessary |
| 102 | * cleanups. |
| 103 | * |
| 104 | * The following cleanup operations are performed - |
| 105 | * - Free the timers |
| 106 | * - Free beacon buffers |
| 107 | * - Free private structures |
| 108 | * - Free adapter structure |
| 109 | */ |
| 110 | static int mwifiex_unregister(struct mwifiex_adapter *adapter) |
| 111 | { |
Yogesh Ashok Powar | 270e58e | 2011-05-03 20:11:46 -0700 | [diff] [blame] | 112 | s32 i; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 113 | |
| 114 | del_timer(&adapter->cmd_timer); |
| 115 | |
| 116 | /* Free private structures */ |
| 117 | for (i = 0; i < adapter->priv_num; i++) { |
| 118 | if (adapter->priv[i]) { |
| 119 | mwifiex_free_curr_bcn(adapter->priv[i]); |
| 120 | kfree(adapter->priv[i]); |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | kfree(adapter); |
| 125 | return 0; |
| 126 | } |
| 127 | |
| 128 | /* |
| 129 | * The main process. |
| 130 | * |
| 131 | * This function is the main procedure of the driver and handles various driver |
| 132 | * operations. It runs in a loop and provides the core functionalities. |
| 133 | * |
| 134 | * The main responsibilities of this function are - |
| 135 | * - Ensure concurrency control |
| 136 | * - Handle pending interrupts and call interrupt handlers |
| 137 | * - Wake up the card if required |
| 138 | * - Handle command responses and call response handlers |
| 139 | * - Handle events and call event handlers |
| 140 | * - Execute pending commands |
| 141 | * - Transmit pending data packets |
| 142 | */ |
| 143 | int mwifiex_main_process(struct mwifiex_adapter *adapter) |
| 144 | { |
| 145 | int ret = 0; |
| 146 | unsigned long flags; |
| 147 | |
| 148 | spin_lock_irqsave(&adapter->main_proc_lock, flags); |
| 149 | |
| 150 | /* Check if already processing */ |
| 151 | if (adapter->mwifiex_processing) { |
| 152 | spin_unlock_irqrestore(&adapter->main_proc_lock, flags); |
| 153 | goto exit_main_proc; |
| 154 | } else { |
| 155 | adapter->mwifiex_processing = true; |
| 156 | spin_unlock_irqrestore(&adapter->main_proc_lock, flags); |
| 157 | } |
| 158 | process_start: |
| 159 | do { |
| 160 | if ((adapter->hw_status == MWIFIEX_HW_STATUS_CLOSING) || |
| 161 | (adapter->hw_status == MWIFIEX_HW_STATUS_NOT_READY)) |
| 162 | break; |
| 163 | |
| 164 | /* Handle pending interrupt if any */ |
| 165 | if (adapter->int_status) { |
| 166 | if (adapter->hs_activated) |
| 167 | mwifiex_process_hs_config(adapter); |
| 168 | adapter->if_ops.process_int_status(adapter); |
| 169 | } |
| 170 | |
| 171 | /* Need to wake up the card ? */ |
| 172 | if ((adapter->ps_state == PS_STATE_SLEEP) && |
| 173 | (adapter->pm_wakeup_card_req && |
| 174 | !adapter->pm_wakeup_fw_try) && |
| 175 | (is_command_pending(adapter) |
| 176 | || !mwifiex_wmm_lists_empty(adapter))) { |
| 177 | adapter->pm_wakeup_fw_try = true; |
| 178 | adapter->if_ops.wakeup(adapter); |
| 179 | continue; |
| 180 | } |
| 181 | if (IS_CARD_RX_RCVD(adapter)) { |
| 182 | adapter->pm_wakeup_fw_try = false; |
| 183 | if (adapter->ps_state == PS_STATE_SLEEP) |
| 184 | adapter->ps_state = PS_STATE_AWAKE; |
| 185 | } else { |
| 186 | /* We have tried to wakeup the card already */ |
| 187 | if (adapter->pm_wakeup_fw_try) |
| 188 | break; |
| 189 | if (adapter->ps_state != PS_STATE_AWAKE || |
| 190 | adapter->tx_lock_flag) |
| 191 | break; |
| 192 | |
| 193 | if (adapter->scan_processing || adapter->data_sent |
| 194 | || mwifiex_wmm_lists_empty(adapter)) { |
| 195 | if (adapter->cmd_sent || adapter->curr_cmd |
| 196 | || (!is_command_pending(adapter))) |
| 197 | break; |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | /* Check for Cmd Resp */ |
| 202 | if (adapter->cmd_resp_received) { |
| 203 | adapter->cmd_resp_received = false; |
| 204 | mwifiex_process_cmdresp(adapter); |
| 205 | |
| 206 | /* call mwifiex back when init_fw is done */ |
| 207 | if (adapter->hw_status == MWIFIEX_HW_STATUS_INIT_DONE) { |
| 208 | adapter->hw_status = MWIFIEX_HW_STATUS_READY; |
| 209 | mwifiex_init_fw_complete(adapter); |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | /* Check for event */ |
| 214 | if (adapter->event_received) { |
| 215 | adapter->event_received = false; |
| 216 | mwifiex_process_event(adapter); |
| 217 | } |
| 218 | |
| 219 | /* Check if we need to confirm Sleep Request |
| 220 | received previously */ |
| 221 | if (adapter->ps_state == PS_STATE_PRE_SLEEP) { |
| 222 | if (!adapter->cmd_sent && !adapter->curr_cmd) |
| 223 | mwifiex_check_ps_cond(adapter); |
| 224 | } |
| 225 | |
| 226 | /* * The ps_state may have been changed during processing of |
| 227 | * Sleep Request event. |
| 228 | */ |
| 229 | if ((adapter->ps_state == PS_STATE_SLEEP) |
| 230 | || (adapter->ps_state == PS_STATE_PRE_SLEEP) |
| 231 | || (adapter->ps_state == PS_STATE_SLEEP_CFM) |
| 232 | || adapter->tx_lock_flag) |
| 233 | continue; |
| 234 | |
| 235 | if (!adapter->cmd_sent && !adapter->curr_cmd) { |
| 236 | if (mwifiex_exec_next_cmd(adapter) == -1) { |
| 237 | ret = -1; |
| 238 | break; |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | if (!adapter->scan_processing && !adapter->data_sent && |
| 243 | !mwifiex_wmm_lists_empty(adapter)) { |
| 244 | mwifiex_wmm_process_tx(adapter); |
| 245 | if (adapter->hs_activated) { |
| 246 | adapter->is_hs_configured = false; |
| 247 | mwifiex_hs_activated_event |
| 248 | (mwifiex_get_priv |
| 249 | (adapter, MWIFIEX_BSS_ROLE_ANY), |
| 250 | false); |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | if (adapter->delay_null_pkt && !adapter->cmd_sent && |
| 255 | !adapter->curr_cmd && !is_command_pending(adapter) |
| 256 | && mwifiex_wmm_lists_empty(adapter)) { |
| 257 | if (!mwifiex_send_null_packet |
| 258 | (mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA), |
| 259 | MWIFIEX_TxPD_POWER_MGMT_NULL_PACKET | |
| 260 | MWIFIEX_TxPD_POWER_MGMT_LAST_PACKET)) { |
| 261 | adapter->delay_null_pkt = false; |
| 262 | adapter->ps_state = PS_STATE_SLEEP; |
| 263 | } |
| 264 | break; |
| 265 | } |
| 266 | } while (true); |
| 267 | |
| 268 | if ((adapter->int_status) || IS_CARD_RX_RCVD(adapter)) |
| 269 | goto process_start; |
| 270 | |
| 271 | spin_lock_irqsave(&adapter->main_proc_lock, flags); |
| 272 | adapter->mwifiex_processing = false; |
| 273 | spin_unlock_irqrestore(&adapter->main_proc_lock, flags); |
| 274 | |
| 275 | exit_main_proc: |
| 276 | if (adapter->hw_status == MWIFIEX_HW_STATUS_CLOSING) |
| 277 | mwifiex_shutdown_drv(adapter); |
| 278 | return ret; |
| 279 | } |
| 280 | |
| 281 | /* |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 282 | * This function frees the adapter structure. |
| 283 | * |
| 284 | * Additionally, this closes the netlink socket, frees the timers |
| 285 | * and private structures. |
| 286 | */ |
| 287 | static void mwifiex_free_adapter(struct mwifiex_adapter *adapter) |
| 288 | { |
| 289 | if (!adapter) { |
| 290 | pr_err("%s: adapter is NULL\n", __func__); |
| 291 | return; |
| 292 | } |
| 293 | |
| 294 | mwifiex_unregister(adapter); |
| 295 | pr_debug("info: %s: free adapter\n", __func__); |
| 296 | } |
| 297 | |
| 298 | /* |
| 299 | * This function initializes the hardware and firmware. |
| 300 | * |
| 301 | * The main initialization steps followed are - |
| 302 | * - Download the correct firmware to card |
| 303 | * - Allocate and initialize the adapter structure |
| 304 | * - Initialize the private structures |
| 305 | * - Issue the init commands to firmware |
| 306 | */ |
| 307 | static int mwifiex_init_hw_fw(struct mwifiex_adapter *adapter) |
| 308 | { |
Yogesh Ashok Powar | 270e58e | 2011-05-03 20:11:46 -0700 | [diff] [blame] | 309 | int ret, err; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 310 | struct mwifiex_fw_image fw; |
| 311 | |
| 312 | memset(&fw, 0, sizeof(struct mwifiex_fw_image)); |
| 313 | |
Amitkumar Karwar | 4a7f5db | 2011-05-23 18:00:17 -0700 | [diff] [blame] | 314 | err = request_firmware(&adapter->firmware, adapter->fw_name, |
| 315 | adapter->dev); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 316 | if (err < 0) { |
| 317 | dev_err(adapter->dev, "request_firmware() returned" |
| 318 | " error code %#x\n", err); |
| 319 | ret = -1; |
| 320 | goto done; |
| 321 | } |
| 322 | fw.fw_buf = (u8 *) adapter->firmware->data; |
| 323 | fw.fw_len = adapter->firmware->size; |
| 324 | |
| 325 | ret = mwifiex_dnld_fw(adapter, &fw); |
| 326 | if (ret == -1) |
| 327 | goto done; |
| 328 | |
| 329 | dev_notice(adapter->dev, "WLAN FW is active\n"); |
| 330 | |
| 331 | adapter->init_wait_q_woken = false; |
| 332 | ret = mwifiex_init_fw(adapter); |
| 333 | if (ret == -1) { |
| 334 | goto done; |
| 335 | } else if (!ret) { |
| 336 | adapter->hw_status = MWIFIEX_HW_STATUS_READY; |
| 337 | goto done; |
| 338 | } |
| 339 | /* Wait for mwifiex_init to complete */ |
| 340 | wait_event_interruptible(adapter->init_wait_q, |
| 341 | adapter->init_wait_q_woken); |
| 342 | if (adapter->hw_status != MWIFIEX_HW_STATUS_READY) { |
| 343 | ret = -1; |
| 344 | goto done; |
| 345 | } |
| 346 | ret = 0; |
| 347 | |
| 348 | done: |
| 349 | if (adapter->firmware) |
| 350 | release_firmware(adapter->firmware); |
| 351 | if (ret) |
| 352 | ret = -1; |
| 353 | return ret; |
| 354 | } |
| 355 | |
| 356 | /* |
| 357 | * This function fills a driver buffer. |
| 358 | * |
| 359 | * The function associates a given SKB with the provided driver buffer |
| 360 | * and also updates some of the SKB parameters, including IP header, |
| 361 | * priority and timestamp. |
| 362 | */ |
| 363 | static void |
| 364 | mwifiex_fill_buffer(struct sk_buff *skb) |
| 365 | { |
Yogesh Ashok Powar | 270e58e | 2011-05-03 20:11:46 -0700 | [diff] [blame] | 366 | struct ethhdr *eth; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 367 | struct iphdr *iph; |
| 368 | struct timeval tv; |
| 369 | u8 tid = 0; |
| 370 | |
| 371 | eth = (struct ethhdr *) skb->data; |
| 372 | switch (eth->h_proto) { |
| 373 | case __constant_htons(ETH_P_IP): |
| 374 | iph = ip_hdr(skb); |
| 375 | tid = IPTOS_PREC(iph->tos); |
| 376 | pr_debug("data: packet type ETH_P_IP: %04x, tid=%#x prio=%#x\n", |
| 377 | eth->h_proto, tid, skb->priority); |
| 378 | break; |
| 379 | case __constant_htons(ETH_P_ARP): |
| 380 | pr_debug("data: ARP packet: %04x\n", eth->h_proto); |
| 381 | default: |
| 382 | break; |
| 383 | } |
| 384 | /* Offset for TOS field in the IP header */ |
| 385 | #define IPTOS_OFFSET 5 |
| 386 | tid = (tid >> IPTOS_OFFSET); |
| 387 | skb->priority = tid; |
| 388 | /* Record the current time the packet was queued; used to |
| 389 | determine the amount of time the packet was queued in |
| 390 | the driver before it was sent to the firmware. |
| 391 | The delay is then sent along with the packet to the |
| 392 | firmware for aggregate delay calculation for stats and |
| 393 | MSDU lifetime expiry. |
| 394 | */ |
| 395 | do_gettimeofday(&tv); |
| 396 | skb->tstamp = timeval_to_ktime(tv); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 397 | } |
| 398 | |
| 399 | /* |
| 400 | * CFG802.11 network device handler for open. |
| 401 | * |
| 402 | * Starts the data queue. |
| 403 | */ |
| 404 | static int |
| 405 | mwifiex_open(struct net_device *dev) |
| 406 | { |
| 407 | netif_start_queue(dev); |
| 408 | return 0; |
| 409 | } |
| 410 | |
| 411 | /* |
| 412 | * CFG802.11 network device handler for close. |
| 413 | */ |
| 414 | static int |
| 415 | mwifiex_close(struct net_device *dev) |
| 416 | { |
| 417 | return 0; |
| 418 | } |
| 419 | |
| 420 | /* |
| 421 | * CFG802.11 network device handler for data transmission. |
| 422 | */ |
| 423 | static int |
| 424 | mwifiex_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) |
| 425 | { |
| 426 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
Yogesh Ashok Powar | 270e58e | 2011-05-03 20:11:46 -0700 | [diff] [blame] | 427 | struct sk_buff *new_skb; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 428 | struct mwifiex_txinfo *tx_info; |
| 429 | |
| 430 | dev_dbg(priv->adapter->dev, "data: %lu BSS(%d): Data <= kernel\n", |
| 431 | jiffies, priv->bss_index); |
| 432 | |
| 433 | if (priv->adapter->surprise_removed) { |
Christoph Fritz | b53575e | 2011-05-08 22:50:09 +0200 | [diff] [blame] | 434 | kfree_skb(skb); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 435 | priv->stats.tx_dropped++; |
| 436 | return 0; |
| 437 | } |
| 438 | if (!skb->len || (skb->len > ETH_FRAME_LEN)) { |
| 439 | dev_err(priv->adapter->dev, "Tx: bad skb len %d\n", skb->len); |
Christoph Fritz | b53575e | 2011-05-08 22:50:09 +0200 | [diff] [blame] | 440 | kfree_skb(skb); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 441 | priv->stats.tx_dropped++; |
| 442 | return 0; |
| 443 | } |
| 444 | if (skb_headroom(skb) < MWIFIEX_MIN_DATA_HEADER_LEN) { |
| 445 | dev_dbg(priv->adapter->dev, |
| 446 | "data: Tx: insufficient skb headroom %d\n", |
| 447 | skb_headroom(skb)); |
| 448 | /* Insufficient skb headroom - allocate a new skb */ |
| 449 | new_skb = |
| 450 | skb_realloc_headroom(skb, MWIFIEX_MIN_DATA_HEADER_LEN); |
| 451 | if (unlikely(!new_skb)) { |
| 452 | dev_err(priv->adapter->dev, "Tx: cannot alloca new_skb\n"); |
Christoph Fritz | b53575e | 2011-05-08 22:50:09 +0200 | [diff] [blame] | 453 | kfree_skb(skb); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 454 | priv->stats.tx_dropped++; |
| 455 | return 0; |
| 456 | } |
| 457 | kfree_skb(skb); |
| 458 | skb = new_skb; |
| 459 | dev_dbg(priv->adapter->dev, "info: new skb headroomd %d\n", |
| 460 | skb_headroom(skb)); |
| 461 | } |
| 462 | |
| 463 | tx_info = MWIFIEX_SKB_TXCB(skb); |
| 464 | tx_info->bss_index = priv->bss_index; |
| 465 | mwifiex_fill_buffer(skb); |
| 466 | |
| 467 | mwifiex_wmm_add_buf_txqueue(priv->adapter, skb); |
| 468 | atomic_inc(&priv->adapter->tx_pending); |
| 469 | |
| 470 | if (atomic_read(&priv->adapter->tx_pending) >= MAX_TX_PENDING) { |
| 471 | netif_stop_queue(priv->netdev); |
| 472 | dev->trans_start = jiffies; |
| 473 | } |
| 474 | |
| 475 | queue_work(priv->adapter->workqueue, &priv->adapter->main_work); |
| 476 | |
| 477 | return 0; |
| 478 | } |
| 479 | |
| 480 | /* |
| 481 | * CFG802.11 network device handler for setting MAC address. |
| 482 | */ |
| 483 | static int |
| 484 | mwifiex_set_mac_address(struct net_device *dev, void *addr) |
| 485 | { |
| 486 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
Amitkumar Karwar | a5ffddb | 2011-06-20 15:21:48 -0700 | [diff] [blame] | 487 | struct sockaddr *hw_addr = addr; |
Yogesh Ashok Powar | 270e58e | 2011-05-03 20:11:46 -0700 | [diff] [blame] | 488 | int ret; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 489 | |
| 490 | memcpy(priv->curr_addr, hw_addr->sa_data, ETH_ALEN); |
| 491 | |
Amitkumar Karwar | 600f5d9 | 2011-04-13 17:27:06 -0700 | [diff] [blame] | 492 | /* Send request to firmware */ |
| 493 | ret = mwifiex_send_cmd_sync(priv, HostCmd_CMD_802_11_MAC_ADDRESS, |
| 494 | HostCmd_ACT_GEN_SET, 0, NULL); |
| 495 | |
| 496 | if (!ret) |
| 497 | memcpy(priv->netdev->dev_addr, priv->curr_addr, ETH_ALEN); |
| 498 | else |
| 499 | dev_err(priv->adapter->dev, "set mac address failed: ret=%d" |
| 500 | "\n", ret); |
| 501 | |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 502 | memcpy(dev->dev_addr, priv->curr_addr, ETH_ALEN); |
| 503 | |
Amitkumar Karwar | 600f5d9 | 2011-04-13 17:27:06 -0700 | [diff] [blame] | 504 | return ret; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 505 | } |
| 506 | |
| 507 | /* |
| 508 | * CFG802.11 network device handler for setting multicast list. |
| 509 | */ |
| 510 | static void mwifiex_set_multicast_list(struct net_device *dev) |
| 511 | { |
| 512 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
Amitkumar Karwar | 600f5d9 | 2011-04-13 17:27:06 -0700 | [diff] [blame] | 513 | struct mwifiex_multicast_list mcast_list; |
| 514 | |
| 515 | if (dev->flags & IFF_PROMISC) { |
| 516 | mcast_list.mode = MWIFIEX_PROMISC_MODE; |
| 517 | } else if (dev->flags & IFF_ALLMULTI || |
| 518 | netdev_mc_count(dev) > MWIFIEX_MAX_MULTICAST_LIST_SIZE) { |
| 519 | mcast_list.mode = MWIFIEX_ALL_MULTI_MODE; |
| 520 | } else { |
| 521 | mcast_list.mode = MWIFIEX_MULTICAST_MODE; |
| 522 | if (netdev_mc_count(dev)) |
| 523 | mcast_list.num_multicast_addr = |
| 524 | mwifiex_copy_mcast_addr(&mcast_list, dev); |
| 525 | } |
| 526 | mwifiex_request_set_multicast_list(priv, &mcast_list); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 527 | } |
| 528 | |
| 529 | /* |
| 530 | * CFG802.11 network device handler for transmission timeout. |
| 531 | */ |
| 532 | static void |
| 533 | mwifiex_tx_timeout(struct net_device *dev) |
| 534 | { |
| 535 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 536 | |
| 537 | dev_err(priv->adapter->dev, "%lu : Tx timeout, bss_index=%d\n", |
| 538 | jiffies, priv->bss_index); |
| 539 | dev->trans_start = jiffies; |
| 540 | priv->num_tx_timeout++; |
| 541 | } |
| 542 | |
| 543 | /* |
| 544 | * CFG802.11 network device handler for statistics retrieval. |
| 545 | */ |
| 546 | static struct net_device_stats *mwifiex_get_stats(struct net_device *dev) |
| 547 | { |
| 548 | struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); |
| 549 | |
| 550 | return &priv->stats; |
| 551 | } |
| 552 | |
| 553 | /* Network device handlers */ |
| 554 | static const struct net_device_ops mwifiex_netdev_ops = { |
| 555 | .ndo_open = mwifiex_open, |
| 556 | .ndo_stop = mwifiex_close, |
| 557 | .ndo_start_xmit = mwifiex_hard_start_xmit, |
| 558 | .ndo_set_mac_address = mwifiex_set_mac_address, |
| 559 | .ndo_tx_timeout = mwifiex_tx_timeout, |
| 560 | .ndo_get_stats = mwifiex_get_stats, |
| 561 | .ndo_set_multicast_list = mwifiex_set_multicast_list, |
| 562 | }; |
| 563 | |
| 564 | /* |
| 565 | * This function initializes the private structure parameters. |
| 566 | * |
| 567 | * The following wait queues are initialized - |
| 568 | * - IOCTL wait queue |
| 569 | * - Command wait queue |
| 570 | * - Statistics wait queue |
| 571 | * |
| 572 | * ...and the following default parameters are set - |
| 573 | * - Current key index : Set to 0 |
| 574 | * - Rate index : Set to auto |
| 575 | * - Media connected : Set to disconnected |
| 576 | * - Adhoc link sensed : Set to false |
| 577 | * - Nick name : Set to null |
| 578 | * - Number of Tx timeout : Set to 0 |
| 579 | * - Device address : Set to current address |
| 580 | * |
| 581 | * In addition, the CFG80211 work queue is also created. |
| 582 | */ |
Yogesh Ashok Powar | 93a1df4 | 2011-09-26 20:37:26 -0700 | [diff] [blame^] | 583 | void mwifiex_init_priv_params(struct mwifiex_private *priv, |
| 584 | struct net_device *dev) |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 585 | { |
| 586 | dev->netdev_ops = &mwifiex_netdev_ops; |
| 587 | /* Initialize private structure */ |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 588 | priv->current_key_index = 0; |
| 589 | priv->media_connected = false; |
| 590 | memset(&priv->nick_name, 0, sizeof(priv->nick_name)); |
| 591 | priv->num_tx_timeout = 0; |
| 592 | priv->workqueue = create_singlethread_workqueue("cfg80211_wq"); |
| 593 | INIT_WORK(&priv->cfg_workqueue, mwifiex_cfg80211_results); |
| 594 | memcpy(dev->dev_addr, priv->curr_addr, ETH_ALEN); |
| 595 | } |
| 596 | |
| 597 | /* |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 598 | * This function check if command is pending. |
| 599 | */ |
| 600 | int is_command_pending(struct mwifiex_adapter *adapter) |
| 601 | { |
| 602 | unsigned long flags; |
| 603 | int is_cmd_pend_q_empty; |
| 604 | |
| 605 | spin_lock_irqsave(&adapter->cmd_pending_q_lock, flags); |
| 606 | is_cmd_pend_q_empty = list_empty(&adapter->cmd_pending_q); |
| 607 | spin_unlock_irqrestore(&adapter->cmd_pending_q_lock, flags); |
| 608 | |
| 609 | return !is_cmd_pend_q_empty; |
| 610 | } |
| 611 | |
| 612 | /* |
| 613 | * This function returns the correct private structure pointer based |
| 614 | * upon the BSS number. |
| 615 | */ |
| 616 | struct mwifiex_private * |
| 617 | mwifiex_bss_index_to_priv(struct mwifiex_adapter *adapter, u8 bss_index) |
| 618 | { |
| 619 | if (!adapter || (bss_index >= adapter->priv_num)) |
| 620 | return NULL; |
| 621 | return adapter->priv[bss_index]; |
| 622 | } |
| 623 | |
| 624 | /* |
| 625 | * This is the main work queue function. |
| 626 | * |
| 627 | * It handles the main process, which in turn handles the complete |
| 628 | * driver operations. |
| 629 | */ |
| 630 | static void mwifiex_main_work_queue(struct work_struct *work) |
| 631 | { |
| 632 | struct mwifiex_adapter *adapter = |
| 633 | container_of(work, struct mwifiex_adapter, main_work); |
| 634 | |
| 635 | if (adapter->surprise_removed) |
| 636 | return; |
| 637 | mwifiex_main_process(adapter); |
| 638 | } |
| 639 | |
| 640 | /* |
| 641 | * This function cancels all works in the queue and destroys |
| 642 | * the main workqueue. |
| 643 | */ |
| 644 | static void |
| 645 | mwifiex_terminate_workqueue(struct mwifiex_adapter *adapter) |
| 646 | { |
| 647 | flush_workqueue(adapter->workqueue); |
| 648 | destroy_workqueue(adapter->workqueue); |
| 649 | adapter->workqueue = NULL; |
| 650 | } |
| 651 | |
| 652 | /* |
| 653 | * This function adds the card. |
| 654 | * |
| 655 | * This function follows the following major steps to set up the device - |
| 656 | * - Initialize software. This includes probing the card, registering |
| 657 | * the interface operations table, and allocating/initializing the |
| 658 | * adapter structure |
| 659 | * - Set up the netlink socket |
| 660 | * - Create and start the main work queue |
| 661 | * - Register the device |
| 662 | * - Initialize firmware and hardware |
| 663 | * - Add logical interfaces |
| 664 | */ |
| 665 | int |
| 666 | mwifiex_add_card(void *card, struct semaphore *sem, |
| 667 | struct mwifiex_if_ops *if_ops) |
| 668 | { |
Amitkumar Karwar | 2be7859 | 2011-04-15 20:50:42 -0700 | [diff] [blame] | 669 | struct mwifiex_adapter *adapter; |
Amitkumar Karwar | 5674fbb7 | 2011-08-02 18:42:23 -0700 | [diff] [blame] | 670 | char fmt[64]; |
Yogesh Ashok Powar | 93a1df4 | 2011-09-26 20:37:26 -0700 | [diff] [blame^] | 671 | struct mwifiex_private *priv; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 672 | |
| 673 | if (down_interruptible(sem)) |
| 674 | goto exit_sem_err; |
| 675 | |
Yogesh Ashok Powar | 93a1df4 | 2011-09-26 20:37:26 -0700 | [diff] [blame^] | 676 | if (mwifiex_register(card, if_ops, (void **)&adapter)) { |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 677 | pr_err("%s: software init failed\n", __func__); |
| 678 | goto err_init_sw; |
| 679 | } |
| 680 | |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 681 | adapter->hw_status = MWIFIEX_HW_STATUS_INITIALIZING; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 682 | adapter->surprise_removed = false; |
| 683 | init_waitqueue_head(&adapter->init_wait_q); |
| 684 | adapter->is_suspended = false; |
| 685 | adapter->hs_activated = false; |
| 686 | init_waitqueue_head(&adapter->hs_activate_wait_q); |
Amitkumar Karwar | 600f5d9 | 2011-04-13 17:27:06 -0700 | [diff] [blame] | 687 | adapter->cmd_wait_q_required = false; |
| 688 | init_waitqueue_head(&adapter->cmd_wait_q.wait); |
| 689 | adapter->cmd_wait_q.condition = false; |
| 690 | adapter->cmd_wait_q.status = 0; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 691 | |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 692 | adapter->workqueue = create_workqueue("MWIFIEX_WORK_QUEUE"); |
| 693 | if (!adapter->workqueue) |
| 694 | goto err_kmalloc; |
| 695 | |
| 696 | INIT_WORK(&adapter->main_work, mwifiex_main_work_queue); |
| 697 | |
| 698 | /* Register the device. Fill up the private data structure with relevant |
| 699 | information from the card and request for the required IRQ. */ |
| 700 | if (adapter->if_ops.register_dev(adapter)) { |
| 701 | pr_err("%s: failed to register mwifiex device\n", __func__); |
| 702 | goto err_registerdev; |
| 703 | } |
| 704 | |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 705 | if (mwifiex_init_hw_fw(adapter)) { |
| 706 | pr_err("%s: firmware init failed\n", __func__); |
| 707 | goto err_init_fw; |
| 708 | } |
Amitkumar Karwar | 2be7859 | 2011-04-15 20:50:42 -0700 | [diff] [blame] | 709 | |
Yogesh Ashok Powar | 93a1df4 | 2011-09-26 20:37:26 -0700 | [diff] [blame^] | 710 | priv = adapter->priv[0]; |
| 711 | |
| 712 | if (mwifiex_register_cfg80211(priv) != 0) { |
| 713 | dev_err(adapter->dev, "cannot register netdevice" |
| 714 | " with cfg80211\n"); |
| 715 | goto err_init_fw; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 716 | } |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 717 | |
Yogesh Ashok Powar | 93a1df4 | 2011-09-26 20:37:26 -0700 | [diff] [blame^] | 718 | rtnl_lock(); |
| 719 | /* Create station interface by default */ |
| 720 | if (!mwifiex_add_virtual_intf(priv->wdev->wiphy, "mlan%d", |
| 721 | NL80211_IFTYPE_STATION, NULL, NULL)) { |
| 722 | rtnl_unlock(); |
| 723 | dev_err(adapter->dev, "cannot create default station" |
| 724 | " interface\n"); |
| 725 | goto err_add_intf; |
| 726 | } |
| 727 | |
| 728 | rtnl_unlock(); |
| 729 | |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 730 | up(sem); |
| 731 | |
Amitkumar Karwar | 5674fbb7 | 2011-08-02 18:42:23 -0700 | [diff] [blame] | 732 | mwifiex_drv_get_driver_version(adapter, fmt, sizeof(fmt) - 1); |
| 733 | dev_notice(adapter->dev, "driver_version = %s\n", fmt); |
| 734 | |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 735 | return 0; |
| 736 | |
| 737 | err_add_intf: |
Yogesh Ashok Powar | 93a1df4 | 2011-09-26 20:37:26 -0700 | [diff] [blame^] | 738 | rtnl_lock(); |
| 739 | mwifiex_del_virtual_intf(priv->wdev->wiphy, priv->netdev); |
| 740 | rtnl_unlock(); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 741 | err_init_fw: |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 742 | pr_debug("info: %s: unregister device\n", __func__); |
| 743 | adapter->if_ops.unregister_dev(adapter); |
| 744 | err_registerdev: |
| 745 | adapter->surprise_removed = true; |
| 746 | mwifiex_terminate_workqueue(adapter); |
| 747 | err_kmalloc: |
| 748 | if ((adapter->hw_status == MWIFIEX_HW_STATUS_FW_READY) || |
| 749 | (adapter->hw_status == MWIFIEX_HW_STATUS_READY)) { |
| 750 | pr_debug("info: %s: shutdown mwifiex\n", __func__); |
| 751 | adapter->init_wait_q_woken = false; |
Yogesh Ashok Powar | 636c459 | 2011-04-15 20:50:40 -0700 | [diff] [blame] | 752 | |
| 753 | if (mwifiex_shutdown_drv(adapter) == -EINPROGRESS) |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 754 | wait_event_interruptible(adapter->init_wait_q, |
| 755 | adapter->init_wait_q_woken); |
| 756 | } |
| 757 | |
| 758 | mwifiex_free_adapter(adapter); |
| 759 | |
| 760 | err_init_sw: |
| 761 | up(sem); |
| 762 | |
| 763 | exit_sem_err: |
| 764 | return -1; |
| 765 | } |
| 766 | EXPORT_SYMBOL_GPL(mwifiex_add_card); |
| 767 | |
| 768 | /* |
| 769 | * This function removes the card. |
| 770 | * |
| 771 | * This function follows the following major steps to remove the device - |
| 772 | * - Stop data traffic |
| 773 | * - Shutdown firmware |
| 774 | * - Remove the logical interfaces |
| 775 | * - Terminate the work queue |
| 776 | * - Unregister the device |
| 777 | * - Free the adapter structure |
| 778 | */ |
| 779 | int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem) |
| 780 | { |
| 781 | struct mwifiex_private *priv = NULL; |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 782 | int i; |
| 783 | |
| 784 | if (down_interruptible(sem)) |
| 785 | goto exit_sem_err; |
| 786 | |
| 787 | if (!adapter) |
| 788 | goto exit_remove; |
| 789 | |
| 790 | adapter->surprise_removed = true; |
| 791 | |
| 792 | /* Stop data */ |
| 793 | for (i = 0; i < adapter->priv_num; i++) { |
| 794 | priv = adapter->priv[i]; |
Yogesh Ashok Powar | 93a1df4 | 2011-09-26 20:37:26 -0700 | [diff] [blame^] | 795 | if (priv && priv->netdev) { |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 796 | if (!netif_queue_stopped(priv->netdev)) |
| 797 | netif_stop_queue(priv->netdev); |
| 798 | if (netif_carrier_ok(priv->netdev)) |
| 799 | netif_carrier_off(priv->netdev); |
| 800 | } |
| 801 | } |
| 802 | |
| 803 | dev_dbg(adapter->dev, "cmd: calling mwifiex_shutdown_drv...\n"); |
| 804 | adapter->init_wait_q_woken = false; |
Yogesh Ashok Powar | 636c459 | 2011-04-15 20:50:40 -0700 | [diff] [blame] | 805 | |
| 806 | if (mwifiex_shutdown_drv(adapter) == -EINPROGRESS) |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 807 | wait_event_interruptible(adapter->init_wait_q, |
| 808 | adapter->init_wait_q_woken); |
| 809 | dev_dbg(adapter->dev, "cmd: mwifiex_shutdown_drv done\n"); |
| 810 | if (atomic_read(&adapter->rx_pending) || |
| 811 | atomic_read(&adapter->tx_pending) || |
Amitkumar Karwar | 600f5d9 | 2011-04-13 17:27:06 -0700 | [diff] [blame] | 812 | atomic_read(&adapter->cmd_pending)) { |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 813 | dev_err(adapter->dev, "rx_pending=%d, tx_pending=%d, " |
Amitkumar Karwar | 600f5d9 | 2011-04-13 17:27:06 -0700 | [diff] [blame] | 814 | "cmd_pending=%d\n", |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 815 | atomic_read(&adapter->rx_pending), |
| 816 | atomic_read(&adapter->tx_pending), |
Amitkumar Karwar | 600f5d9 | 2011-04-13 17:27:06 -0700 | [diff] [blame] | 817 | atomic_read(&adapter->cmd_pending)); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 818 | } |
| 819 | |
Yogesh Ashok Powar | 93a1df4 | 2011-09-26 20:37:26 -0700 | [diff] [blame^] | 820 | for (i = 0; i < adapter->priv_num; i++) { |
| 821 | priv = adapter->priv[i]; |
| 822 | |
| 823 | if (!priv) |
| 824 | continue; |
| 825 | |
| 826 | rtnl_lock(); |
| 827 | mwifiex_del_virtual_intf(priv->wdev->wiphy, priv->netdev); |
| 828 | rtnl_unlock(); |
| 829 | } |
| 830 | |
| 831 | wiphy_unregister(priv->wdev->wiphy); |
| 832 | wiphy_free(priv->wdev->wiphy); |
| 833 | kfree(priv->wdev); |
Bing Zhao | 5e6e3a9 | 2011-03-21 18:00:50 -0700 | [diff] [blame] | 834 | |
| 835 | mwifiex_terminate_workqueue(adapter); |
| 836 | |
| 837 | /* Unregister device */ |
| 838 | dev_dbg(adapter->dev, "info: unregister device\n"); |
| 839 | adapter->if_ops.unregister_dev(adapter); |
| 840 | /* Free adapter structure */ |
| 841 | dev_dbg(adapter->dev, "info: free adapter\n"); |
| 842 | mwifiex_free_adapter(adapter); |
| 843 | |
| 844 | exit_remove: |
| 845 | up(sem); |
| 846 | exit_sem_err: |
| 847 | return 0; |
| 848 | } |
| 849 | EXPORT_SYMBOL_GPL(mwifiex_remove_card); |
| 850 | |
| 851 | /* |
| 852 | * This function initializes the module. |
| 853 | * |
| 854 | * The debug FS is also initialized if configured. |
| 855 | */ |
| 856 | static int |
| 857 | mwifiex_init_module(void) |
| 858 | { |
| 859 | #ifdef CONFIG_DEBUG_FS |
| 860 | mwifiex_debugfs_init(); |
| 861 | #endif |
| 862 | return 0; |
| 863 | } |
| 864 | |
| 865 | /* |
| 866 | * This function cleans up the module. |
| 867 | * |
| 868 | * The debug FS is removed if available. |
| 869 | */ |
| 870 | static void |
| 871 | mwifiex_cleanup_module(void) |
| 872 | { |
| 873 | #ifdef CONFIG_DEBUG_FS |
| 874 | mwifiex_debugfs_remove(); |
| 875 | #endif |
| 876 | } |
| 877 | |
| 878 | module_init(mwifiex_init_module); |
| 879 | module_exit(mwifiex_cleanup_module); |
| 880 | |
| 881 | MODULE_AUTHOR("Marvell International Ltd."); |
| 882 | MODULE_DESCRIPTION("Marvell WiFi-Ex Driver version " VERSION); |
| 883 | MODULE_VERSION(VERSION); |
| 884 | MODULE_LICENSE("GPL v2"); |