1#include "wilc_wfi_cfgoperations.h" 2#include "linux_wlan_common.h" 3#include "wilc_wlan_if.h" 4#include "wilc_wlan.h" 5 6#include <linux/slab.h> 7#include <linux/sched.h> 8#include <linux/delay.h> 9#include <linux/workqueue.h> 10#include <linux/interrupt.h> 11#include <linux/irq.h> 12#include <linux/gpio.h> 13 14#include <linux/kthread.h> 15#include <linux/firmware.h> 16#include <linux/delay.h> 17 18#include <linux/init.h> 19#include <linux/netdevice.h> 20#include <linux/inetdevice.h> 21#include <linux/etherdevice.h> 22#include <linux/module.h> 23#include <linux/kernel.h> 24#include <linux/skbuff.h> 25 26#include <linux/version.h> 27#include <linux/semaphore.h> 28 29#ifdef WILC_SDIO 30#include "linux_wlan_sdio.h" 31#else 32#include "linux_wlan_spi.h" 33#endif 34 35#if defined(CUSTOMER_PLATFORM) 36/* 37 TODO : Write power control functions as customer platform. 38 */ 39#else 40 41 #define _linux_wlan_device_power_on() {} 42 #define _linux_wlan_device_power_off() {} 43 44 #define _linux_wlan_device_detection() {} 45 #define _linux_wlan_device_removal() {} 46#endif 47 48extern bool g_obtainingIP; 49extern void resolve_disconnect_aberration(void *drvHandler); 50extern u8 gau8MulticastMacAddrList[WILC_MULTICAST_TABLE_SIZE][ETH_ALEN]; 51extern struct timer_list hDuringIpTimer; 52 53static int linux_wlan_device_power(int on_off) 54{ 55 PRINT_D(INIT_DBG, "linux_wlan_device_power.. (%d)\n", on_off); 56 57 if (on_off) { 58 _linux_wlan_device_power_on(); 59 } else { 60 _linux_wlan_device_power_off(); 61 } 62 63 return 0; 64} 65 66static int linux_wlan_device_detection(int on_off) 67{ 68 PRINT_D(INIT_DBG, "linux_wlan_device_detection.. (%d)\n", on_off); 69 70#ifdef WILC_SDIO 71 if (on_off) { 72 _linux_wlan_device_detection(); 73 } else { 74 _linux_wlan_device_removal(); 75 } 76#endif 77 78 return 0; 79} 80 81static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr); 82 83static struct notifier_block g_dev_notifier = { 84 .notifier_call = dev_state_ev_handler 85}; 86 87#define IRQ_WAIT 1 88#define IRQ_NO_WAIT 0 89/* 90 * to sync between mac_close and module exit. 91 * don't initialize or de-initialize from init/deinitlocks 92 * to be initialized from module wilc_netdev_init and 93 * deinitialized from mdoule_exit 94 */ 95static struct semaphore close_exit_sync; 96 97static int wlan_deinit_locks(struct net_device *dev); 98static void wlan_deinitialize_threads(struct net_device *dev); 99extern void WILC_WFI_monitor_rx(u8 *buff, u32 size); 100extern void WILC_WFI_p2p_rx(struct net_device *dev, u8 *buff, u32 size); 101 102static void linux_wlan_tx_complete(void *priv, int status); 103static int mac_init_fn(struct net_device *ndev); 104int mac_xmit(struct sk_buff *skb, struct net_device *dev); 105int mac_open(struct net_device *ndev); 106int mac_close(struct net_device *ndev); 107static struct net_device_stats *mac_stats(struct net_device *dev); 108static int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd); 109static void wilc_set_multicast_list(struct net_device *dev); 110 111/* 112 * for now - in frmw_to_linux there should be private data to be passed to it 113 * and this data should be pointer to net device 114 */ 115struct wilc *g_linux_wlan; 116bool bEnablePS = true; 117 118static const struct net_device_ops wilc_netdev_ops = { 119 .ndo_init = mac_init_fn, 120 .ndo_open = mac_open, 121 .ndo_stop = mac_close, 122 .ndo_start_xmit = mac_xmit, 123 .ndo_do_ioctl = mac_ioctl, 124 .ndo_get_stats = mac_stats, 125 .ndo_set_rx_mode = wilc_set_multicast_list, 126 127}; 128 129static int dev_state_ev_handler(struct notifier_block *this, unsigned long event, void *ptr) 130{ 131 struct in_ifaddr *dev_iface = (struct in_ifaddr *)ptr; 132 struct wilc_priv *priv; 133 struct host_if_drv *pstrWFIDrv; 134 struct net_device *dev; 135 u8 *pIP_Add_buff; 136 perInterface_wlan_t *nic; 137 u8 null_ip[4] = {0}; 138 char wlan_dev_name[5] = "wlan0"; 139 140 if (dev_iface == NULL || dev_iface->ifa_dev == NULL || dev_iface->ifa_dev->dev == NULL) { 141 PRINT_D(GENERIC_DBG, "dev_iface = NULL\n"); 142 return NOTIFY_DONE; 143 } 144 145 if ((memcmp(dev_iface->ifa_label, "wlan0", 5)) && (memcmp(dev_iface->ifa_label, "p2p0", 4))) { 146 PRINT_D(GENERIC_DBG, "Interface is neither WLAN0 nor P2P0\n"); 147 return NOTIFY_DONE; 148 } 149 150 dev = (struct net_device *)dev_iface->ifa_dev->dev; 151 if (dev->ieee80211_ptr == NULL || dev->ieee80211_ptr->wiphy == NULL) { 152 PRINT_D(GENERIC_DBG, "No Wireless registerd\n"); 153 return NOTIFY_DONE; 154 } 155 priv = wiphy_priv(dev->ieee80211_ptr->wiphy); 156 if (priv == NULL) { 157 PRINT_D(GENERIC_DBG, "No Wireless Priv\n"); 158 return NOTIFY_DONE; 159 } 160 pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv; 161 nic = netdev_priv(dev); 162 if (nic == NULL || pstrWFIDrv == NULL) { 163 PRINT_D(GENERIC_DBG, "No Wireless Priv\n"); 164 return NOTIFY_DONE; 165 } 166 167 PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler +++\n"); /* tony */ 168 169 switch (event) { 170 case NETDEV_UP: 171 PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_UP %p\n", dev); /* tony */ 172 173 PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Obtained ===============\n\n"); 174 175 /*If we are in station mode or client mode*/ 176 if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) { 177 pstrWFIDrv->IFC_UP = 1; 178 g_obtainingIP = false; 179 del_timer(&hDuringIpTimer); 180 PRINT_D(GENERIC_DBG, "IP obtained , enable scan\n"); 181 } 182 183 if (bEnablePS) 184 host_int_set_power_mgmt(pstrWFIDrv, 1, 0); 185 186 PRINT_D(GENERIC_DBG, "[%s] Up IP\n", dev_iface->ifa_label); 187 188 pIP_Add_buff = (char *) (&(dev_iface->ifa_address)); 189 PRINT_D(GENERIC_DBG, "IP add=%d:%d:%d:%d\n", pIP_Add_buff[0], pIP_Add_buff[1], pIP_Add_buff[2], pIP_Add_buff[3]); 190 host_int_setup_ipaddress(pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx); 191 192 break; 193 194 case NETDEV_DOWN: 195 PRINT_D(GENERIC_DBG, "dev_state_ev_handler event=NETDEV_DOWN %p\n", dev); /* tony */ 196 197 PRINT_INFO(GENERIC_DBG, "\n ============== IP Address Released ===============\n\n"); 198 if (nic->iftype == STATION_MODE || nic->iftype == CLIENT_MODE) { 199 pstrWFIDrv->IFC_UP = 0; 200 g_obtainingIP = false; 201 } 202 203 if (memcmp(dev_iface->ifa_label, wlan_dev_name, 5) == 0) 204 host_int_set_power_mgmt(pstrWFIDrv, 0, 0); 205 206 resolve_disconnect_aberration(pstrWFIDrv); 207 208 PRINT_D(GENERIC_DBG, "[%s] Down IP\n", dev_iface->ifa_label); 209 210 pIP_Add_buff = null_ip; 211 PRINT_D(GENERIC_DBG, "IP add=%d:%d:%d:%d\n", pIP_Add_buff[0], pIP_Add_buff[1], pIP_Add_buff[2], pIP_Add_buff[3]); 212 213 host_int_setup_ipaddress(pstrWFIDrv, pIP_Add_buff, nic->u8IfIdx); 214 215 break; 216 217 default: 218 PRINT_INFO(GENERIC_DBG, "dev_state_ev_handler event=default\n"); /* tony */ 219 PRINT_INFO(GENERIC_DBG, "[%s] unknown dev event: %lu\n", dev_iface->ifa_label, event); 220 221 break; 222 } 223 224 return NOTIFY_DONE; 225 226} 227 228#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO) 229static irqreturn_t isr_uh_routine(int irq, void *user_data) 230{ 231 perInterface_wlan_t *nic; 232 struct wilc *wilc; 233 struct net_device *dev = (struct net_device *)user_data; 234 235 nic = netdev_priv(dev); 236 wilc = nic->wilc; 237 PRINT_D(INT_DBG, "Interrupt received UH\n"); 238 239 /*While mac is closing cacncel the handling of any interrupts received*/ 240 if (wilc->close) { 241 PRINT_ER("Driver is CLOSING: Can't handle UH interrupt\n"); 242 return IRQ_HANDLED; 243 } 244 return IRQ_WAKE_THREAD; 245} 246#endif 247 248irqreturn_t isr_bh_routine(int irq, void *userdata) 249{ 250 perInterface_wlan_t *nic; 251 struct wilc *wilc; 252 253 nic = netdev_priv(userdata); 254 wilc = nic->wilc; 255 256 /*While mac is closing cacncel the handling of any interrupts received*/ 257 if (wilc->close) { 258 PRINT_ER("Driver is CLOSING: Can't handle BH interrupt\n"); 259 return IRQ_HANDLED; 260 } 261 262 PRINT_D(INT_DBG, "Interrupt received BH\n"); 263 wilc_handle_isr(wilc); 264 265 return IRQ_HANDLED; 266} 267 268#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO) 269static int init_irq(struct net_device *dev) 270{ 271 int ret = 0; 272 perInterface_wlan_t *nic; 273 struct wilc *wl; 274 275 nic = netdev_priv(dev); 276 wl = nic->wilc; 277 278 /*initialize GPIO and register IRQ num*/ 279 /*GPIO request*/ 280 if ((gpio_request(GPIO_NUM, "WILC_INTR") == 0) && 281 (gpio_direction_input(GPIO_NUM) == 0)) { 282#if defined(CUSTOMER_PLATFORM) 283/* 284 TODO : save the registerd irq number to the private wilc context in kernel. 285 * 286 * ex) nic->dev_irq_num = gpio_to_irq(GPIO_NUM); 287 */ 288#else 289 wl->dev_irq_num = gpio_to_irq(GPIO_NUM); 290#endif 291 } else { 292 ret = -1; 293 PRINT_ER("could not obtain gpio for WILC_INTR\n"); 294 } 295 296 if ((ret != -1) && (request_threaded_irq(wl->dev_irq_num, isr_uh_routine, isr_bh_routine, 297 IRQF_TRIGGER_LOW | IRQF_ONESHOT, /*Without IRQF_ONESHOT the uh will remain kicked in and dont gave a chance to bh*/ 298 "WILC_IRQ", dev)) < 0) { 299 300 PRINT_ER("Failed to request IRQ for GPIO: %d\n", GPIO_NUM); 301 ret = -1; 302 } else { 303 304 PRINT_D(INIT_DBG, "IRQ request succeeded IRQ-NUM= %d on GPIO: %d\n", 305 wl->dev_irq_num, GPIO_NUM); 306 } 307 308 return ret; 309} 310#endif 311 312static void deinit_irq(struct net_device *dev) 313{ 314 perInterface_wlan_t *nic; 315 struct wilc *wilc; 316 317 nic = netdev_priv(dev); 318 wilc = nic->wilc; 319 320#if (defined WILC_SPI) || (defined WILC_SDIO_IRQ_GPIO) 321 /* Deintialize IRQ */ 322 if (&wilc->dev_irq_num != 0) { 323 free_irq(wilc->dev_irq_num, wilc); 324 325 gpio_free(GPIO_NUM); 326 } 327#endif 328} 329 330/* 331 * OS functions 332 */ 333void linux_wlan_dbg(u8 *buff) 334{ 335 PRINT_D(INIT_DBG, "%d\n", *buff); 336} 337 338int linux_wlan_lock_timeout(void *vp, u32 timeout) 339{ 340 int error = -1; 341 342 PRINT_D(LOCK_DBG, "Locking %p\n", vp); 343 if (vp != NULL) 344 error = down_timeout((struct semaphore *)vp, msecs_to_jiffies(timeout)); 345 else 346 PRINT_ER("Failed, mutex is NULL\n"); 347 return error; 348} 349 350void linux_wlan_mac_indicate(struct wilc *wilc, int flag) 351{ 352 /*I have to do it that way becuase there is no mean to encapsulate device pointer 353 * as a parameter 354 */ 355 int status; 356 357 if (flag == WILC_MAC_INDICATE_STATUS) { 358 wilc_wlan_cfg_get_val(WID_STATUS, (unsigned char *)&status, 4); 359 if (wilc->mac_status == WILC_MAC_STATUS_INIT) { 360 wilc->mac_status = status; 361 up(&wilc->sync_event); 362 } else { 363 wilc->mac_status = status; 364 } 365 366 if (wilc->mac_status == WILC_MAC_STATUS_CONNECT) { /* Connect */ 367 } 368 369 } else if (flag == WILC_MAC_INDICATE_SCAN) { 370 PRINT_D(GENERIC_DBG, "Scanning ...\n"); 371 372 } 373 374} 375 376struct net_device *GetIfHandler(struct wilc *wilc, u8 *pMacHeader) 377{ 378 u8 *Bssid, *Bssid1; 379 int i = 0; 380 381 Bssid = pMacHeader + 10; 382 Bssid1 = pMacHeader + 4; 383 384 for (i = 0; i < wilc->vif_num; i++) 385 if (!memcmp(Bssid1, wilc->vif[i].bssid, ETH_ALEN) || 386 !memcmp(Bssid, wilc->vif[i].bssid, ETH_ALEN)) 387 return wilc->vif[i].ndev; 388 389 PRINT_INFO(INIT_DBG, "Invalide handle\n"); 390 for (i = 0; i < 25; i++) 391 PRINT_D(INIT_DBG, "%02x ", pMacHeader[i]); 392 Bssid = pMacHeader + 18; 393 Bssid1 = pMacHeader + 12; 394 for (i = 0; i < wilc->vif_num; i++) 395 if (!memcmp(Bssid1, wilc->vif[i].bssid, ETH_ALEN) || 396 !memcmp(Bssid, wilc->vif[i].bssid, ETH_ALEN)) 397 return wilc->vif[i].ndev; 398 399 PRINT_INFO(INIT_DBG, "\n"); 400 return NULL; 401} 402 403int linux_wlan_set_bssid(struct net_device *wilc_netdev, u8 *pBSSID) 404{ 405 int i = 0; 406 int ret = -1; 407 perInterface_wlan_t *nic; 408 struct wilc *wilc; 409 410 nic = netdev_priv(wilc_netdev); 411 wilc = nic->wilc; 412 413 for (i = 0; i < wilc->vif_num; i++) 414 if (wilc->vif[i].ndev == wilc_netdev) { 415 memcpy(wilc->vif[i].bssid, pBSSID, 6); 416 ret = 0; 417 break; 418 } 419 420 return ret; 421} 422 423/*Function to get number of connected interfaces*/ 424int linux_wlan_get_num_conn_ifcs(void) 425{ 426 u8 i = 0; 427 u8 null_bssid[6] = {0}; 428 u8 ret_val = 0; 429 430 for (i = 0; i < g_linux_wlan->vif_num; i++) 431 if (memcmp(g_linux_wlan->vif[i].bssid, null_bssid, 6)) 432 ret_val++; 433 434 return ret_val; 435} 436 437#define USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS 438 439static int linux_wlan_txq_task(void *vp) 440{ 441 int ret, txq_count; 442 perInterface_wlan_t *nic; 443 struct wilc *wl; 444 struct net_device *dev = vp; 445#if defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS 446#define TX_BACKOFF_WEIGHT_INCR_STEP (1) 447#define TX_BACKOFF_WEIGHT_DECR_STEP (1) 448#define TX_BACKOFF_WEIGHT_MAX (7) 449#define TX_BACKOFF_WEIGHT_MIN (0) 450#define TX_BACKOFF_WEIGHT_UNIT_MS (10) 451 int backoff_weight = TX_BACKOFF_WEIGHT_MIN; 452#endif 453 454 nic = netdev_priv(dev); 455 wl = nic->wilc; 456 457 /* inform wilc1000_wlan_init that TXQ task is started. */ 458 up(&wl->txq_thread_started); 459 while (1) { 460 461 PRINT_D(TX_DBG, "txq_task Taking a nap :)\n"); 462 down(&wl->txq_event); 463 /* wait_for_completion(&pd->txq_event); */ 464 PRINT_D(TX_DBG, "txq_task Who waked me up :$\n"); 465 466 if (wl->close) { 467 /*Unlock the mutex in the mac_close function to indicate the exiting of the TX thread */ 468 up(&wl->txq_thread_started); 469 470 while (!kthread_should_stop()) 471 schedule(); 472 473 PRINT_D(TX_DBG, "TX thread stopped\n"); 474 break; 475 } 476 PRINT_D(TX_DBG, "txq_task handle the sending packet and let me go to sleep.\n"); 477#if !defined USE_TX_BACKOFF_DELAY_IF_NO_BUFFERS 478 ret = wilc_wlan_handle_txq(dev, &txq_count); 479#else 480 do { 481 ret = wilc_wlan_handle_txq(dev, &txq_count); 482 if (txq_count < FLOW_CONTROL_LOWER_THRESHOLD /* && netif_queue_stopped(pd->wilc_netdev)*/) { 483 PRINT_D(TX_DBG, "Waking up queue\n"); 484 /* netif_wake_queue(pd->wilc_netdev); */ 485 if (netif_queue_stopped(wl->vif[0].ndev)) 486 netif_wake_queue(wl->vif[0].ndev); 487 if (netif_queue_stopped(wl->vif[1].ndev)) 488 netif_wake_queue(wl->vif[1].ndev); 489 } 490 491 if (ret == WILC_TX_ERR_NO_BUF) { /* failed to allocate buffers in chip. */ 492 do { 493 /* Back off from sending packets for some time. */ 494 /* schedule_timeout will allow RX task to run and free buffers.*/ 495 /* set_current_state(TASK_UNINTERRUPTIBLE); */ 496 /* timeout = schedule_timeout(timeout); */ 497 msleep(TX_BACKOFF_WEIGHT_UNIT_MS << backoff_weight); 498 } while (/*timeout*/ 0); 499 backoff_weight += TX_BACKOFF_WEIGHT_INCR_STEP; 500 if (backoff_weight > TX_BACKOFF_WEIGHT_MAX) 501 backoff_weight = TX_BACKOFF_WEIGHT_MAX; 502 } else { 503 if (backoff_weight > TX_BACKOFF_WEIGHT_MIN) { 504 backoff_weight -= TX_BACKOFF_WEIGHT_DECR_STEP; 505 if (backoff_weight < TX_BACKOFF_WEIGHT_MIN) 506 backoff_weight = TX_BACKOFF_WEIGHT_MIN; 507 } 508 } 509 /*TODO: drop packets after a certain time/number of retry count. */ 510 } while (ret == WILC_TX_ERR_NO_BUF && !wl->close); /* retry sending packets if no more buffers in chip. */ 511#endif 512 } 513 return 0; 514} 515 516void linux_wlan_rx_complete(void) 517{ 518 PRINT_D(RX_DBG, "RX completed\n"); 519} 520 521int linux_wlan_get_firmware(perInterface_wlan_t *p_nic) 522{ 523 524 perInterface_wlan_t *nic = p_nic; 525 int ret = 0; 526 const struct firmware *wilc_firmware; 527 char *firmware; 528 529 if (nic->iftype == AP_MODE) 530 firmware = AP_FIRMWARE; 531 else if (nic->iftype == STATION_MODE) 532 firmware = STA_FIRMWARE; 533 534 else { 535 PRINT_D(INIT_DBG, "Get P2P_CONCURRENCY_FIRMWARE\n"); 536 firmware = P2P_CONCURRENCY_FIRMWARE; 537 } 538 539 if (nic == NULL) { 540 PRINT_ER("NIC is NULL\n"); 541 goto _fail_; 542 } 543 544 if (&nic->wilc_netdev->dev == NULL) { 545 PRINT_ER("&nic->wilc_netdev->dev is NULL\n"); 546 goto _fail_; 547 } 548 549 /* the firmare should be located in /lib/firmware in 550 * root file system with the name specified above */ 551 552#ifdef WILC_SDIO 553 if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_sdio_func->dev) != 0) { 554 PRINT_ER("%s - firmare not available\n", firmware); 555 ret = -1; 556 goto _fail_; 557 } 558#else 559 if (request_firmware(&wilc_firmware, firmware, &g_linux_wlan->wilc_spidev->dev) != 0) { 560 PRINT_ER("%s - firmare not available\n", firmware); 561 ret = -1; 562 goto _fail_; 563 } 564#endif 565 g_linux_wlan->firmware = wilc_firmware; 566 567_fail_: 568 569 return ret; 570 571} 572 573static int linux_wlan_start_firmware(perInterface_wlan_t *nic) 574{ 575 576 int ret = 0; 577 /* start firmware */ 578 PRINT_D(INIT_DBG, "Starting Firmware ...\n"); 579 ret = wilc_wlan_start(); 580 if (ret < 0) { 581 PRINT_ER("Failed to start Firmware\n"); 582 goto _fail_; 583 } 584 585 /* wait for mac ready */ 586 PRINT_D(INIT_DBG, "Waiting for Firmware to get ready ...\n"); 587 ret = linux_wlan_lock_timeout(&g_linux_wlan->sync_event, 5000); 588 if (ret) { 589 PRINT_D(INIT_DBG, "Firmware start timed out"); 590 goto _fail_; 591 } 592 /* 593 * TODO: Driver shouoldn't wait forever for firmware to get started - 594 * in case of timeout this should be handled properly 595 */ 596 PRINT_D(INIT_DBG, "Firmware successfully started\n"); 597 598_fail_: 599 return ret; 600} 601static int linux_wlan_firmware_download(struct wilc *p_nic) 602{ 603 604 int ret = 0; 605 606 if (!g_linux_wlan->firmware) { 607 PRINT_ER("Firmware buffer is NULL\n"); 608 ret = -ENOBUFS; 609 goto _FAIL_; 610 } 611 /** 612 * do the firmware download 613 **/ 614 PRINT_D(INIT_DBG, "Downloading Firmware ...\n"); 615 ret = wilc_wlan_firmware_download(g_linux_wlan->firmware->data, 616 g_linux_wlan->firmware->size); 617 if (ret < 0) 618 goto _FAIL_; 619 620 /* Freeing FW buffer */ 621 PRINT_D(INIT_DBG, "Freeing FW buffer ...\n"); 622 PRINT_D(INIT_DBG, "Releasing firmware\n"); 623 release_firmware(g_linux_wlan->firmware); 624 625 PRINT_D(INIT_DBG, "Download Succeeded\n"); 626 627_FAIL_: 628 return ret; 629} 630 631/* startup configuration - could be changed later using iconfig*/ 632static int linux_wlan_init_test_config(struct net_device *dev, struct wilc *p_nic) 633{ 634 635 unsigned char c_val[64]; 636 unsigned char mac_add[] = {0x00, 0x80, 0xC2, 0x5E, 0xa2, 0xff}; 637 638 struct wilc_priv *priv; 639 struct host_if_drv *pstrWFIDrv; 640 641 PRINT_D(TX_DBG, "Start configuring Firmware\n"); 642 get_random_bytes(&mac_add[5], 1); 643 get_random_bytes(&mac_add[4], 1); 644 priv = wiphy_priv(dev->ieee80211_ptr->wiphy); 645 pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv; 646 PRINT_D(INIT_DBG, "Host = %p\n", pstrWFIDrv); 647 648 PRINT_D(INIT_DBG, "MAC address is : %02x-%02x-%02x-%02x-%02x-%02x\n", mac_add[0], mac_add[1], mac_add[2], mac_add[3], mac_add[4], mac_add[5]); 649 wilc_get_chipid(0); 650 651 *(int *)c_val = 1; 652 653 if (!wilc_wlan_cfg_set(1, WID_SET_DRV_HANDLER, c_val, 4, 0, 0)) 654 goto _fail_; 655 656 /*to tell fw that we are going to use PC test - WILC specific*/ 657 c_val[0] = 0; 658 if (!wilc_wlan_cfg_set(0, WID_PC_TEST_MODE, c_val, 1, 0, 0)) 659 goto _fail_; 660 661 c_val[0] = INFRASTRUCTURE; 662 if (!wilc_wlan_cfg_set(0, WID_BSS_TYPE, c_val, 1, 0, 0)) 663 goto _fail_; 664 665 /* c_val[0] = RATE_AUTO; */ 666 c_val[0] = RATE_AUTO; 667 if (!wilc_wlan_cfg_set(0, WID_CURRENT_TX_RATE, c_val, 1, 0, 0)) 668 goto _fail_; 669 670 c_val[0] = G_MIXED_11B_2_MODE; 671 if (!wilc_wlan_cfg_set(0, WID_11G_OPERATING_MODE, c_val, 1, 0, 0)) 672 goto _fail_; 673 674 c_val[0] = 1; 675 if (!wilc_wlan_cfg_set(0, WID_CURRENT_CHANNEL, c_val, 1, 0, 0)) 676 goto _fail_; 677 678 c_val[0] = G_SHORT_PREAMBLE; 679 if (!wilc_wlan_cfg_set(0, WID_PREAMBLE, c_val, 1, 0, 0)) 680 goto _fail_; 681 682 c_val[0] = AUTO_PROT; 683 if (!wilc_wlan_cfg_set(0, WID_11N_PROT_MECH, c_val, 1, 0, 0)) 684 goto _fail_; 685 686 c_val[0] = ACTIVE_SCAN; 687 if (!wilc_wlan_cfg_set(0, WID_SCAN_TYPE, c_val, 1, 0, 0)) 688 goto _fail_; 689 690 c_val[0] = SITE_SURVEY_OFF; 691 if (!wilc_wlan_cfg_set(0, WID_SITE_SURVEY, c_val, 1, 0, 0)) 692 goto _fail_; 693 694 *((int *)c_val) = 0xffff; /* Never use RTS-CTS */ 695 if (!wilc_wlan_cfg_set(0, WID_RTS_THRESHOLD, c_val, 2, 0, 0)) 696 goto _fail_; 697 698 *((int *)c_val) = 2346; 699 if (!wilc_wlan_cfg_set(0, WID_FRAG_THRESHOLD, c_val, 2, 0, 0)) 700 goto _fail_; 701 702 /* SSID */ 703 /* -------------------------------------------------------------- */ 704 /* Configuration : String with length less than 32 bytes */ 705 /* Values to set : Any string with length less than 32 bytes */ 706 /* ( In BSS Station Set SSID to "" (null string) */ 707 /* to enable Broadcast SSID suppport ) */ 708 /* -------------------------------------------------------------- */ 709 c_val[0] = 0; 710 if (!wilc_wlan_cfg_set(0, WID_BCAST_SSID, c_val, 1, 0, 0)) 711 goto _fail_; 712 713 c_val[0] = 1; 714 if (!wilc_wlan_cfg_set(0, WID_QOS_ENABLE, c_val, 1, 0, 0)) 715 goto _fail_; 716 717 c_val[0] = NO_POWERSAVE; 718 if (!wilc_wlan_cfg_set(0, WID_POWER_MANAGEMENT, c_val, 1, 0, 0)) 719 goto _fail_; 720 721 c_val[0] = NO_ENCRYPT; /* NO_ENCRYPT, 0x79 */ 722 if (!wilc_wlan_cfg_set(0, WID_11I_MODE, c_val, 1, 0, 0)) 723 goto _fail_; 724 725 c_val[0] = OPEN_SYSTEM; 726 if (!wilc_wlan_cfg_set(0, WID_AUTH_TYPE, c_val, 1, 0, 0)) 727 goto _fail_; 728 729 /* WEP/802 11I Configuration */ 730 /* ------------------------------------------------------------------ */ 731 /* Configuration : WEP Key */ 732 /* Values (0x) : 5 byte for WEP40 and 13 bytes for WEP104 */ 733 /* In case more than 5 bytes are passed on for WEP 40 */ 734 /* only first 5 bytes will be used as the key */ 735 /* ------------------------------------------------------------------ */ 736 737 strcpy(c_val, "123456790abcdef1234567890"); 738 if (!wilc_wlan_cfg_set(0, WID_WEP_KEY_VALUE, c_val, (strlen(c_val) + 1), 0, 0)) 739 goto _fail_; 740 741 /* WEP/802 11I Configuration */ 742 /* ------------------------------------------------------------------ */ 743 /* Configuration : AES/TKIP WPA/RSNA Pre-Shared Key */ 744 /* Values to set : Any string with length greater than equal to 8 bytes */ 745 /* and less than 64 bytes */ 746 /* ------------------------------------------------------------------ */ 747 strcpy(c_val, "12345678"); 748 if (!wilc_wlan_cfg_set(0, WID_11I_PSK, c_val, (strlen(c_val)), 0, 0)) 749 goto _fail_; 750 751 /* IEEE802.1X Key Configuration */ 752 /* ------------------------------------------------------------------ */ 753 /* Configuration : Radius Server Access Secret Key */ 754 /* Values to set : Any string with length greater than equal to 8 bytes */ 755 /* and less than 65 bytes */ 756 /* ------------------------------------------------------------------ */ 757 strcpy(c_val, "password"); 758 if (!wilc_wlan_cfg_set(0, WID_1X_KEY, c_val, (strlen(c_val) + 1), 0, 0)) 759 goto _fail_; 760 761 /* IEEE802.1X Server Address Configuration */ 762 /* ------------------------------------------------------------------ */ 763 /* Configuration : Radius Server IP Address */ 764 /* Values to set : Any valid IP Address */ 765 /* ------------------------------------------------------------------ */ 766 c_val[0] = 192; 767 c_val[1] = 168; 768 c_val[2] = 1; 769 c_val[3] = 112; 770 if (!wilc_wlan_cfg_set(0, WID_1X_SERV_ADDR, c_val, 4, 0, 0)) 771 goto _fail_; 772 773 c_val[0] = 3; 774 if (!wilc_wlan_cfg_set(0, WID_LISTEN_INTERVAL, c_val, 1, 0, 0)) 775 goto _fail_; 776 777 c_val[0] = 3; 778 if (!wilc_wlan_cfg_set(0, WID_DTIM_PERIOD, c_val, 1, 0, 0)) 779 goto _fail_; 780 781 c_val[0] = NORMAL_ACK; 782 if (!wilc_wlan_cfg_set(0, WID_ACK_POLICY, c_val, 1, 0, 0)) 783 goto _fail_; 784 785 c_val[0] = 0; 786 if (!wilc_wlan_cfg_set(0, WID_USER_CONTROL_ON_TX_POWER, c_val, 1, 0, 0)) 787 goto _fail_; 788 789 c_val[0] = 48; 790 if (!wilc_wlan_cfg_set(0, WID_TX_POWER_LEVEL_11A, c_val, 1, 0, 0)) 791 goto _fail_; 792 793 c_val[0] = 28; 794 if (!wilc_wlan_cfg_set(0, WID_TX_POWER_LEVEL_11B, c_val, 1, 0, 0)) 795 goto _fail_; 796 797 /* Beacon Interval */ 798 /* -------------------------------------------------------------------- */ 799 /* Configuration : Sets the beacon interval value */ 800 /* Values to set : Any 16-bit value */ 801 /* -------------------------------------------------------------------- */ 802 803 *((int *)c_val) = 100; 804 if (!wilc_wlan_cfg_set(0, WID_BEACON_INTERVAL, c_val, 2, 0, 0)) 805 goto _fail_; 806 807 c_val[0] = REKEY_DISABLE; 808 if (!wilc_wlan_cfg_set(0, WID_REKEY_POLICY, c_val, 1, 0, 0)) 809 goto _fail_; 810 811 /* Rekey Time (s) (Used only when the Rekey policy is 2 or 4) */ 812 /* -------------------------------------------------------------------- */ 813 /* Configuration : Sets the Rekey Time (s) */ 814 /* Values to set : 32-bit value */ 815 /* -------------------------------------------------------------------- */ 816 *((int *)c_val) = 84600; 817 if (!wilc_wlan_cfg_set(0, WID_REKEY_PERIOD, c_val, 4, 0, 0)) 818 goto _fail_; 819 820 /* Rekey Packet Count (in 1000s; used when Rekey Policy is 3) */ 821 /* -------------------------------------------------------------------- */ 822 /* Configuration : Sets Rekey Group Packet count */ 823 /* Values to set : 32-bit Value */ 824 /* -------------------------------------------------------------------- */ 825 *((int *)c_val) = 500; 826 if (!wilc_wlan_cfg_set(0, WID_REKEY_PACKET_COUNT, c_val, 4, 0, 0)) 827 goto _fail_; 828 829 c_val[0] = 1; 830 if (!wilc_wlan_cfg_set(0, WID_SHORT_SLOT_ALLOWED, c_val, 1, 0, 0)) 831 goto _fail_; 832 833 c_val[0] = G_SELF_CTS_PROT; 834 if (!wilc_wlan_cfg_set(0, WID_11N_ERP_PROT_TYPE, c_val, 1, 0, 0)) 835 goto _fail_; 836 837 c_val[0] = 1; /* Enable N */ 838 if (!wilc_wlan_cfg_set(0, WID_11N_ENABLE, c_val, 1, 0, 0)) 839 goto _fail_; 840 841 c_val[0] = HT_MIXED_MODE; 842 if (!wilc_wlan_cfg_set(0, WID_11N_OPERATING_MODE, c_val, 1, 0, 0)) 843 goto _fail_; 844 845 c_val[0] = 1; /* TXOP Prot disable in N mode: No RTS-CTS on TX A-MPDUs to save air-time. */ 846 if (!wilc_wlan_cfg_set(0, WID_11N_TXOP_PROT_DISABLE, c_val, 1, 0, 0)) 847 goto _fail_; 848 849 memcpy(c_val, mac_add, 6); 850 851 if (!wilc_wlan_cfg_set(0, WID_MAC_ADDR, c_val, 6, 0, 0)) 852 goto _fail_; 853 854 /** 855 * AP only 856 **/ 857 c_val[0] = DETECT_PROTECT_REPORT; 858 if (!wilc_wlan_cfg_set(0, WID_11N_OBSS_NONHT_DETECTION, c_val, 1, 0, 0)) 859 goto _fail_; 860 861 c_val[0] = RTS_CTS_NONHT_PROT; 862 if (!wilc_wlan_cfg_set(0, WID_11N_HT_PROT_TYPE, c_val, 1, 0, 0)) 863 goto _fail_; 864 865 c_val[0] = 0; 866 if (!wilc_wlan_cfg_set(0, WID_11N_RIFS_PROT_ENABLE, c_val, 1, 0, 0)) 867 goto _fail_; 868 869 c_val[0] = MIMO_MODE; 870 if (!wilc_wlan_cfg_set(0, WID_11N_SMPS_MODE, c_val, 1, 0, 0)) 871 goto _fail_; 872 873 c_val[0] = 7; 874 if (!wilc_wlan_cfg_set(0, WID_11N_CURRENT_TX_MCS, c_val, 1, 0, 0)) 875 goto _fail_; 876 877 c_val[0] = 1; /* Enable N with immediate block ack. */ 878 if (!wilc_wlan_cfg_set(0, WID_11N_IMMEDIATE_BA_ENABLED, c_val, 1, 1, 1)) 879 goto _fail_; 880 881 return 0; 882 883_fail_: 884 return -1; 885} 886 887/**************************/ 888void wilc1000_wlan_deinit(struct net_device *dev) 889{ 890 perInterface_wlan_t *nic; 891 struct wilc *wl; 892 893 nic = netdev_priv(dev); 894 wl = nic->wilc; 895 896 if (!wl) { 897 netdev_err(dev, "wl is NULL\n"); 898 return; 899 } 900 901 if (wl->initialized) { 902 netdev_info(dev, "Deinitializing wilc1000...\n"); 903 904#if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31) 905 /* johnny : remove */ 906 PRINT_D(INIT_DBG, "skip wilc_bus_set_default_speed\n"); 907#else 908 wilc_bus_set_default_speed(); 909#endif 910 911 PRINT_D(INIT_DBG, "Disabling IRQ\n"); 912#ifdef WILC_SDIO 913 mutex_lock(&wl->hif_cs); 914 disable_sdio_interrupt(); 915 mutex_unlock(&wl->hif_cs); 916#endif 917 if (&wl->txq_event != NULL) 918 up(&wl->txq_event); 919 920 PRINT_D(INIT_DBG, "Deinitializing Threads\n"); 921 wlan_deinitialize_threads(dev); 922 923 PRINT_D(INIT_DBG, "Deinitializing IRQ\n"); 924 deinit_irq(dev); 925 926 wilc_wlan_stop(); 927 928 PRINT_D(INIT_DBG, "Deinitializing WILC Wlan\n"); 929 wilc_wlan_cleanup(dev); 930#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO) 931 #if defined(PLAT_ALLWINNER_A20) || defined(PLAT_ALLWINNER_A23) || defined(PLAT_ALLWINNER_A31) 932 PRINT_D(INIT_DBG, "Disabling IRQ 2\n"); 933 934 mutex_lock(&wl->hif_cs); 935 disable_sdio_interrupt(); 936 mutex_unlock(&wl->hif_cs); 937 #endif 938#endif 939 940 /*De-Initialize locks*/ 941 PRINT_D(INIT_DBG, "Deinitializing Locks\n"); 942 wlan_deinit_locks(dev); 943 944 /* announce that wilc1000 is not initialized */ 945 wl->initialized = false; 946 947 PRINT_D(INIT_DBG, "wilc1000 deinitialization Done\n"); 948 949 } else { 950 PRINT_D(INIT_DBG, "wilc1000 is not initialized\n"); 951 } 952} 953 954int wlan_init_locks(struct net_device *dev) 955{ 956 perInterface_wlan_t *nic; 957 struct wilc *wl; 958 959 nic = netdev_priv(dev); 960 wl = nic->wilc; 961 962 PRINT_D(INIT_DBG, "Initializing Locks ...\n"); 963 964 mutex_init(&wl->hif_cs); 965 mutex_init(&wl->rxq_cs); 966 967 spin_lock_init(&wl->txq_spinlock); 968 sema_init(&wl->txq_add_to_head_cs, 1); 969 970 sema_init(&wl->txq_event, 0); 971 972 sema_init(&wl->cfg_event, 0); 973 sema_init(&wl->sync_event, 0); 974 975 sema_init(&wl->txq_thread_started, 0); 976 977 return 0; 978} 979 980static int wlan_deinit_locks(struct net_device *dev) 981{ 982 perInterface_wlan_t *nic; 983 struct wilc *wilc; 984 985 nic = netdev_priv(dev); 986 wilc = nic->wilc; 987 988 PRINT_D(INIT_DBG, "De-Initializing Locks\n"); 989 990 if (&wilc->hif_cs != NULL) 991 mutex_destroy(&wilc->hif_cs); 992 993 if (&wilc->rxq_cs != NULL) 994 mutex_destroy(&wilc->rxq_cs); 995 996 return 0; 997} 998void linux_to_wlan(wilc_wlan_inp_t *nwi, struct wilc *nic) 999{ 1000 1001 PRINT_D(INIT_DBG, "Linux to Wlan services ...\n"); 1002 1003 nwi->os_context.os_private = (void *)nic; 1004 1005#ifdef WILC_SDIO 1006 nwi->io_func.io_type = HIF_SDIO; 1007 nwi->io_func.io_init = linux_sdio_init; 1008 nwi->io_func.io_deinit = linux_sdio_deinit; 1009 nwi->io_func.u.sdio.sdio_cmd52 = linux_sdio_cmd52; 1010 nwi->io_func.u.sdio.sdio_cmd53 = linux_sdio_cmd53; 1011 nwi->io_func.u.sdio.sdio_set_max_speed = linux_sdio_set_max_speed; 1012 nwi->io_func.u.sdio.sdio_set_default_speed = linux_sdio_set_default_speed; 1013#else 1014 nwi->io_func.io_type = HIF_SPI; 1015 nwi->io_func.io_init = linux_spi_init; 1016 nwi->io_func.io_deinit = linux_spi_deinit; 1017 nwi->io_func.u.spi.spi_tx = linux_spi_write; 1018 nwi->io_func.u.spi.spi_rx = linux_spi_read; 1019 nwi->io_func.u.spi.spi_trx = linux_spi_write_read; 1020 nwi->io_func.u.spi.spi_max_speed = linux_spi_set_max_speed; 1021#endif 1022} 1023 1024int wlan_initialize_threads(struct net_device *dev) 1025{ 1026 perInterface_wlan_t *nic; 1027 struct wilc *wilc; 1028 int ret = 0; 1029 1030 nic = netdev_priv(dev); 1031 wilc = nic->wilc; 1032 1033 PRINT_D(INIT_DBG, "Initializing Threads ...\n"); 1034 1035 /* create tx task */ 1036 PRINT_D(INIT_DBG, "Creating kthread for transmission\n"); 1037 wilc->txq_thread = kthread_run(linux_wlan_txq_task, (void *)dev, 1038 "K_TXQ_TASK"); 1039 if (!wilc->txq_thread) { 1040 PRINT_ER("couldn't create TXQ thread\n"); 1041 ret = -ENOBUFS; 1042 goto _fail_2; 1043 } 1044 /* wait for TXQ task to start. */ 1045 down(&wilc->txq_thread_started); 1046 1047 return 0; 1048 1049_fail_2: 1050 /*De-Initialize 2nd thread*/ 1051 wilc->close = 0; 1052 return ret; 1053} 1054 1055static void wlan_deinitialize_threads(struct net_device *dev) 1056{ 1057 perInterface_wlan_t *nic; 1058 struct wilc *wl; 1059 1060 nic = netdev_priv(dev); 1061 wl = nic->wilc; 1062 1063 wl->close = 1; 1064 PRINT_D(INIT_DBG, "Deinitializing Threads\n"); 1065 1066 if (&wl->txq_event != NULL) 1067 up(&wl->txq_event); 1068 1069 if (wl->txq_thread != NULL) { 1070 kthread_stop(wl->txq_thread); 1071 wl->txq_thread = NULL; 1072 } 1073} 1074 1075int wilc1000_wlan_init(struct net_device *dev, perInterface_wlan_t *p_nic) 1076{ 1077 wilc_wlan_inp_t nwi; 1078 perInterface_wlan_t *nic = p_nic; 1079 int ret = 0; 1080 struct wilc *wl = nic->wilc; 1081 1082 if (!wl->initialized) { 1083 wl->mac_status = WILC_MAC_STATUS_INIT; 1084 wl->close = 0; 1085 1086 wlan_init_locks(dev); 1087 1088 linux_to_wlan(&nwi, wl); 1089 1090 ret = wilc_wlan_init(&nwi); 1091 if (ret < 0) { 1092 PRINT_ER("Initializing WILC_Wlan FAILED\n"); 1093 ret = -EIO; 1094 goto _fail_locks_; 1095 } 1096 1097#if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO) 1098 if (init_irq(dev)) { 1099 PRINT_ER("couldn't initialize IRQ\n"); 1100 ret = -EIO; 1101 goto _fail_locks_; 1102 } 1103#endif 1104 1105 ret = wlan_initialize_threads(dev); 1106 if (ret < 0) { 1107 PRINT_ER("Initializing Threads FAILED\n"); 1108 ret = -EIO; 1109 goto _fail_wilc_wlan_; 1110 } 1111 1112#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO) 1113 if (enable_sdio_interrupt()) { 1114 PRINT_ER("couldn't initialize IRQ\n"); 1115 ret = -EIO; 1116 goto _fail_irq_init_; 1117 } 1118#endif 1119 1120 if (linux_wlan_get_firmware(nic)) { 1121 PRINT_ER("Can't get firmware\n"); 1122 ret = -EIO; 1123 goto _fail_irq_enable_; 1124 } 1125 1126 /*Download firmware*/ 1127 ret = linux_wlan_firmware_download(wl); 1128 if (ret < 0) { 1129 PRINT_ER("Failed to download firmware\n"); 1130 ret = -EIO; 1131 goto _fail_irq_enable_; 1132 } 1133 1134 /* Start firmware*/ 1135 ret = linux_wlan_start_firmware(nic); 1136 if (ret < 0) { 1137 PRINT_ER("Failed to start firmware\n"); 1138 ret = -EIO; 1139 goto _fail_irq_enable_; 1140 } 1141 1142 wilc_bus_set_max_speed(); 1143 1144 if (wilc_wlan_cfg_get(1, WID_FIRMWARE_VERSION, 1, 0)) { 1145 int size; 1146 char Firmware_ver[20]; 1147 1148 size = wilc_wlan_cfg_get_val( 1149 WID_FIRMWARE_VERSION, 1150 Firmware_ver, sizeof(Firmware_ver)); 1151 Firmware_ver[size] = '\0'; 1152 PRINT_D(INIT_DBG, "***** Firmware Ver = %s *******\n", Firmware_ver); 1153 } 1154 /* Initialize firmware with default configuration */ 1155 ret = linux_wlan_init_test_config(dev, wl); 1156 1157 if (ret < 0) { 1158 PRINT_ER("Failed to configure firmware\n"); 1159 ret = -EIO; 1160 goto _fail_fw_start_; 1161 } 1162 1163 wl->initialized = true; 1164 return 0; /*success*/ 1165 1166_fail_fw_start_: 1167 wilc_wlan_stop(); 1168 1169_fail_irq_enable_: 1170#if (defined WILC_SDIO) && (!defined WILC_SDIO_IRQ_GPIO) 1171 disable_sdio_interrupt(); 1172_fail_irq_init_: 1173#endif 1174#if (!defined WILC_SDIO) || (defined WILC_SDIO_IRQ_GPIO) 1175 deinit_irq(dev); 1176 1177#endif 1178 wlan_deinitialize_threads(dev); 1179_fail_wilc_wlan_: 1180 wilc_wlan_cleanup(dev); 1181_fail_locks_: 1182 wlan_deinit_locks(dev); 1183 PRINT_ER("WLAN Iinitialization FAILED\n"); 1184 } else { 1185 PRINT_D(INIT_DBG, "wilc1000 already initialized\n"); 1186 } 1187 return ret; 1188} 1189 1190/* 1191 * - this function will be called automatically by OS when module inserted. 1192 */ 1193 1194int mac_init_fn(struct net_device *ndev) 1195{ 1196 1197 /*Why we do this !!!*/ 1198 netif_start_queue(ndev); /* ma */ 1199 netif_stop_queue(ndev); /* ma */ 1200 1201 return 0; 1202} 1203 1204/* This fn is called, when this device is setup using ifconfig */ 1205int mac_open(struct net_device *ndev) 1206{ 1207 perInterface_wlan_t *nic; 1208 1209 /*No need for setting mac address here anymore,*/ 1210 /*Just set it in init_test_config()*/ 1211 unsigned char mac_add[ETH_ALEN] = {0}; 1212 int ret = 0; 1213 int i = 0; 1214 struct wilc_priv *priv; 1215 struct wilc *wl; 1216 1217 nic = netdev_priv(ndev); 1218 wl = nic->wilc; 1219 1220#ifdef WILC_SPI 1221 if (!wl|| !wl->wilc_spidev) { 1222 netdev_err(ndev, "wilc1000: SPI device not ready\n"); 1223 return -ENODEV; 1224 } 1225#endif 1226 nic = netdev_priv(ndev); 1227 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy); 1228 PRINT_D(INIT_DBG, "MAC OPEN[%p]\n", ndev); 1229 1230 ret = wilc_init_host_int(ndev); 1231 if (ret < 0) { 1232 PRINT_ER("Failed to initialize host interface\n"); 1233 1234 return ret; 1235 } 1236 1237 /*initialize platform*/ 1238 PRINT_D(INIT_DBG, "*** re-init ***\n"); 1239 ret = wilc1000_wlan_init(ndev, nic); 1240 if (ret < 0) { 1241 PRINT_ER("Failed to initialize wilc1000\n"); 1242 wilc_deinit_host_int(ndev); 1243 return ret; 1244 } 1245 1246 Set_machw_change_vir_if(ndev, false); 1247 1248 host_int_get_MacAddress(priv->hWILCWFIDrv, mac_add); 1249 PRINT_D(INIT_DBG, "Mac address: %pM\n", mac_add); 1250 1251 /* loop through the NUM of supported devices and set the MAC address */ 1252 for (i = 0; i < wl->vif_num; i++) { 1253 if (ndev == wl->vif[i].ndev) { 1254 memcpy(wl->vif[i].src_addr, mac_add, ETH_ALEN); 1255 wl->vif[i].hif_drv = priv->hWILCWFIDrv; 1256 break; 1257 } 1258 } 1259 1260 /* TODO: get MAC address whenever the source is EPROM - hardcoded and copy it to ndev*/ 1261 memcpy(ndev->dev_addr, wl->vif[i].src_addr, ETH_ALEN); 1262 1263 if (!is_valid_ether_addr(ndev->dev_addr)) { 1264 PRINT_ER("Error: Wrong MAC address\n"); 1265 ret = -EINVAL; 1266 goto _err_; 1267 } 1268 1269 wilc_mgmt_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev->ieee80211_ptr, 1270 nic->g_struct_frame_reg[0].frame_type, nic->g_struct_frame_reg[0].reg); 1271 wilc_mgmt_frame_register(nic->wilc_netdev->ieee80211_ptr->wiphy, nic->wilc_netdev->ieee80211_ptr, 1272 nic->g_struct_frame_reg[1].frame_type, nic->g_struct_frame_reg[1].reg); 1273 netif_wake_queue(ndev); 1274 wl->open_ifcs++; 1275 nic->mac_opened = 1; 1276 return 0; 1277 1278_err_: 1279 wilc_deinit_host_int(ndev); 1280 wilc1000_wlan_deinit(ndev); 1281 return ret; 1282} 1283 1284struct net_device_stats *mac_stats(struct net_device *dev) 1285{ 1286 perInterface_wlan_t *nic = netdev_priv(dev); 1287 1288 return &nic->netstats; 1289} 1290 1291/* Setup the multicast filter */ 1292static void wilc_set_multicast_list(struct net_device *dev) 1293{ 1294 1295 struct netdev_hw_addr *ha; 1296 struct wilc_priv *priv; 1297 struct host_if_drv *pstrWFIDrv; 1298 int i = 0; 1299 1300 priv = wiphy_priv(dev->ieee80211_ptr->wiphy); 1301 pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv; 1302 1303 if (!dev) 1304 return; 1305 1306 PRINT_D(INIT_DBG, "Setting Multicast List with count = %d.\n", dev->mc.count); 1307 1308 if (dev->flags & IFF_PROMISC) { 1309 /* Normally, we should configure the chip to retrive all packets 1310 * but we don't wanna support this right now */ 1311 /* TODO: add promiscuous mode support */ 1312 PRINT_D(INIT_DBG, "Set promiscuous mode ON, retrive all packets\n"); 1313 return; 1314 } 1315 1316 /* If there's more addresses than we handle, get all multicast 1317 * packets and sort them out in software. */ 1318 if ((dev->flags & IFF_ALLMULTI) || (dev->mc.count) > WILC_MULTICAST_TABLE_SIZE) { 1319 PRINT_D(INIT_DBG, "Disable multicast filter, retrive all multicast packets\n"); 1320 /* get all multicast packets */ 1321 host_int_setup_multicast_filter(pstrWFIDrv, false, 0); 1322 return; 1323 } 1324 1325 /* No multicast? Just get our own stuff */ 1326 if ((dev->mc.count) == 0) { 1327 PRINT_D(INIT_DBG, "Enable multicast filter, retrive directed packets only.\n"); 1328 host_int_setup_multicast_filter(pstrWFIDrv, true, 0); 1329 return; 1330 } 1331 1332 /* Store all of the multicast addresses in the hardware filter */ 1333 netdev_for_each_mc_addr(ha, dev) 1334 { 1335 memcpy(gau8MulticastMacAddrList[i], ha->addr, ETH_ALEN); 1336 PRINT_D(INIT_DBG, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i, 1337 gau8MulticastMacAddrList[i][0], gau8MulticastMacAddrList[i][1], gau8MulticastMacAddrList[i][2], gau8MulticastMacAddrList[i][3], gau8MulticastMacAddrList[i][4], gau8MulticastMacAddrList[i][5]); 1338 i++; 1339 } 1340 1341 host_int_setup_multicast_filter(pstrWFIDrv, true, (dev->mc.count)); 1342 1343 return; 1344 1345} 1346 1347static void linux_wlan_tx_complete(void *priv, int status) 1348{ 1349 1350 struct tx_complete_data *pv_data = (struct tx_complete_data *)priv; 1351 1352 if (status == 1) 1353 PRINT_D(TX_DBG, "Packet sent successfully - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb); 1354 else 1355 PRINT_D(TX_DBG, "Couldn't send packet - Size = %d - Address = %p - SKB = %p\n", pv_data->size, pv_data->buff, pv_data->skb); 1356 /* Free the SK Buffer, its work is done */ 1357 dev_kfree_skb(pv_data->skb); 1358 kfree(pv_data); 1359} 1360 1361int mac_xmit(struct sk_buff *skb, struct net_device *ndev) 1362{ 1363 perInterface_wlan_t *nic; 1364 struct tx_complete_data *tx_data = NULL; 1365 int QueueCount; 1366 char *pu8UdpBuffer; 1367 struct iphdr *ih; 1368 struct ethhdr *eth_h; 1369 struct wilc *wilc; 1370 1371 nic = netdev_priv(ndev); 1372 wilc = nic->wilc; 1373 1374 PRINT_D(TX_DBG, "Sending packet just received from TCP/IP\n"); 1375 1376 /* Stop the network interface queue */ 1377 if (skb->dev != ndev) { 1378 PRINT_ER("Packet not destined to this device\n"); 1379 return 0; 1380 } 1381 1382 tx_data = kmalloc(sizeof(struct tx_complete_data), GFP_ATOMIC); 1383 if (tx_data == NULL) { 1384 PRINT_ER("Failed to allocate memory for tx_data structure\n"); 1385 dev_kfree_skb(skb); 1386 netif_wake_queue(ndev); 1387 return 0; 1388 } 1389 1390 tx_data->buff = skb->data; 1391 tx_data->size = skb->len; 1392 tx_data->skb = skb; 1393 1394 eth_h = (struct ethhdr *)(skb->data); 1395 if (eth_h->h_proto == 0x8e88) 1396 PRINT_D(INIT_DBG, "EAPOL transmitted\n"); 1397 1398 /*get source and dest ip addresses*/ 1399 ih = (struct iphdr *)(skb->data + sizeof(struct ethhdr)); 1400 1401 pu8UdpBuffer = (char *)ih + sizeof(struct iphdr); 1402 if ((pu8UdpBuffer[1] == 68 && pu8UdpBuffer[3] == 67) || (pu8UdpBuffer[1] == 67 && pu8UdpBuffer[3] == 68)) 1403 PRINT_D(GENERIC_DBG, "DHCP Message transmitted, type:%x %x %x\n", pu8UdpBuffer[248], pu8UdpBuffer[249], pu8UdpBuffer[250]); 1404 1405 PRINT_D(TX_DBG, "Sending packet - Size = %d - Address = %p - SKB = %p\n", tx_data->size, tx_data->buff, tx_data->skb); 1406 1407 /* Send packet to MAC HW - for now the tx_complete function will be just status 1408 * indicator. still not sure if I need to suspend host transmission till the tx_complete 1409 * function called or not? 1410 * allocated buffer will be freed in tx_complete function. 1411 */ 1412 PRINT_D(TX_DBG, "Adding tx packet to TX Queue\n"); 1413 nic->netstats.tx_packets++; 1414 nic->netstats.tx_bytes += tx_data->size; 1415 tx_data->pBssid = wilc->vif[nic->u8IfIdx].bssid; 1416 QueueCount = wilc_wlan_txq_add_net_pkt(ndev, (void *)tx_data, 1417 tx_data->buff, tx_data->size, 1418 linux_wlan_tx_complete); 1419 1420 if (QueueCount > FLOW_CONTROL_UPPER_THRESHOLD) { 1421 netif_stop_queue(wilc->vif[0].ndev); 1422 netif_stop_queue(wilc->vif[1].ndev); 1423 } 1424 1425 return 0; 1426} 1427 1428int mac_close(struct net_device *ndev) 1429{ 1430 struct wilc_priv *priv; 1431 perInterface_wlan_t *nic; 1432 struct host_if_drv *pstrWFIDrv; 1433 struct wilc *wl; 1434 1435 nic = netdev_priv(ndev); 1436 1437 if ((nic == NULL) || (nic->wilc_netdev == NULL) || (nic->wilc_netdev->ieee80211_ptr == NULL) || (nic->wilc_netdev->ieee80211_ptr->wiphy == NULL)) { 1438 PRINT_ER("nic = NULL\n"); 1439 return 0; 1440 } 1441 1442 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy); 1443 wl = nic->wilc; 1444 1445 if (priv == NULL) { 1446 PRINT_ER("priv = NULL\n"); 1447 return 0; 1448 } 1449 1450 pstrWFIDrv = (struct host_if_drv *)priv->hWILCWFIDrv; 1451 1452 PRINT_D(GENERIC_DBG, "Mac close\n"); 1453 1454 if (!wl) { 1455 PRINT_ER("wl = NULL\n"); 1456 return 0; 1457 } 1458 1459 if (pstrWFIDrv == NULL) { 1460 PRINT_ER("pstrWFIDrv = NULL\n"); 1461 return 0; 1462 } 1463 1464 if ((wl->open_ifcs) > 0) { 1465 wl->open_ifcs--; 1466 } else { 1467 PRINT_ER("ERROR: MAC close called while number of opened interfaces is zero\n"); 1468 return 0; 1469 } 1470 1471 if (nic->wilc_netdev != NULL) { 1472 /* Stop the network interface queue */ 1473 netif_stop_queue(nic->wilc_netdev); 1474 1475 wilc_deinit_host_int(nic->wilc_netdev); 1476 } 1477 1478 if (wl->open_ifcs == 0) { 1479 PRINT_D(GENERIC_DBG, "Deinitializing wilc1000\n"); 1480 wl->close = 1; 1481 wilc1000_wlan_deinit(ndev); 1482 WILC_WFI_deinit_mon_interface(); 1483 } 1484 1485 up(&close_exit_sync); 1486 nic->mac_opened = 0; 1487 1488 return 0; 1489} 1490 1491int mac_ioctl(struct net_device *ndev, struct ifreq *req, int cmd) 1492{ 1493 1494 u8 *buff = NULL; 1495 s8 rssi; 1496 u32 size = 0, length = 0; 1497 perInterface_wlan_t *nic; 1498 struct wilc_priv *priv; 1499 s32 s32Error = 0; 1500 struct wilc *wilc; 1501 1502 /* struct iwreq *wrq = (struct iwreq *) req; // tony moved to case SIOCSIWPRIV */ 1503 nic = netdev_priv(ndev); 1504 wilc = nic->wilc; 1505 1506 if (!wilc->initialized) 1507 return 0; 1508 1509 switch (cmd) { 1510 1511 /* ]] 2013-06-24 */ 1512 case SIOCSIWPRIV: 1513 { 1514 struct iwreq *wrq = (struct iwreq *) req; /* added by tony */ 1515 1516 size = wrq->u.data.length; 1517 1518 if (size && wrq->u.data.pointer) { 1519 1520 buff = memdup_user(wrq->u.data.pointer, wrq->u.data.length); 1521 if (IS_ERR(buff)) 1522 return PTR_ERR(buff); 1523 1524 if (strncasecmp(buff, "RSSI", length) == 0) { 1525 priv = wiphy_priv(nic->wilc_netdev->ieee80211_ptr->wiphy); 1526 s32Error = host_int_get_rssi(priv->hWILCWFIDrv, &(rssi)); 1527 if (s32Error) 1528 PRINT_ER("Failed to send get rssi param's message queue "); 1529 PRINT_INFO(GENERIC_DBG, "RSSI :%d\n", rssi); 1530 1531 /*Rounding up the rssi negative value*/ 1532 rssi += 5; 1533 1534 snprintf(buff, size, "rssi %d", rssi); 1535 1536 if (copy_to_user(wrq->u.data.pointer, buff, size)) { 1537 PRINT_ER("%s: failed to copy data to user buffer\n", __func__); 1538 s32Error = -EFAULT; 1539 goto done; 1540 } 1541 } 1542 } 1543 } 1544 break; 1545 1546 default: 1547 { 1548 PRINT_INFO(GENERIC_DBG, "Command - %d - has been received\n", cmd); 1549 s32Error = -EOPNOTSUPP; 1550 goto done; 1551 } 1552 } 1553 1554done: 1555 1556 kfree(buff); 1557 1558 return s32Error; 1559} 1560 1561void frmw_to_linux(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset) 1562{ 1563 1564 unsigned int frame_len = 0; 1565 int stats; 1566 unsigned char *buff_to_send = NULL; 1567 struct sk_buff *skb; 1568 struct net_device *wilc_netdev; 1569 perInterface_wlan_t *nic; 1570 1571 wilc_netdev = GetIfHandler(wilc, buff); 1572 if (wilc_netdev == NULL) 1573 return; 1574 1575 buff += pkt_offset; 1576 nic = netdev_priv(wilc_netdev); 1577 1578 if (size > 0) { 1579 1580 frame_len = size; 1581 buff_to_send = buff; 1582 1583 /* Need to send the packet up to the host, allocate a skb buffer */ 1584 skb = dev_alloc_skb(frame_len); 1585 if (skb == NULL) { 1586 PRINT_ER("Low memory - packet droped\n"); 1587 return; 1588 } 1589 1590 if (wilc == NULL || wilc_netdev == NULL) 1591 PRINT_ER("wilc_netdev in wilc is NULL"); 1592 skb->dev = wilc_netdev; 1593 1594 if (skb->dev == NULL) 1595 PRINT_ER("skb->dev is NULL\n"); 1596 1597 /* 1598 * for(i=0;i<40;i++) 1599 * { 1600 * if(i<frame_len) 1601 * WILC_PRINTF("buff_to_send[%d]=%2x\n",i,buff_to_send[i]); 1602 * 1603 * }*/ 1604 1605 /* skb_put(skb, frame_len); */ 1606 memcpy(skb_put(skb, frame_len), buff_to_send, frame_len); 1607 1608 /* WILC_PRINTF("After MEM_CPY\n"); */ 1609 1610 /* nic = netdev_priv(wilc_netdev); */ 1611 1612 skb->protocol = eth_type_trans(skb, wilc_netdev); 1613 /* Send the packet to the stack by giving it to the bridge */ 1614 nic->netstats.rx_packets++; 1615 nic->netstats.rx_bytes += frame_len; 1616 skb->ip_summed = CHECKSUM_UNNECESSARY; 1617 stats = netif_rx(skb); 1618 PRINT_D(RX_DBG, "netif_rx ret value is: %d\n", stats); 1619 } 1620} 1621 1622void WILC_WFI_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size) 1623{ 1624 int i = 0; 1625 perInterface_wlan_t *nic; 1626 1627 /*Pass the frame on the monitor interface, if any.*/ 1628 /*Otherwise, pass it on p2p0 netdev, if registered on it*/ 1629 for (i = 0; i < wilc->vif_num; i++) { 1630 nic = netdev_priv(wilc->vif[i].ndev); 1631 if (nic->monitor_flag) { 1632 WILC_WFI_monitor_rx(buff, size); 1633 return; 1634 } 1635 } 1636 1637 nic = netdev_priv(wilc->vif[1].ndev); /* p2p0 */ 1638 if ((buff[0] == nic->g_struct_frame_reg[0].frame_type && nic->g_struct_frame_reg[0].reg) || 1639 (buff[0] == nic->g_struct_frame_reg[1].frame_type && nic->g_struct_frame_reg[1].reg)) 1640 WILC_WFI_p2p_rx(wilc->vif[1].ndev, buff, size); 1641} 1642 1643void wl_wlan_cleanup(void) 1644{ 1645 int i = 0; 1646 perInterface_wlan_t *nic[NUM_CONCURRENT_IFC]; 1647 1648 if (g_linux_wlan && 1649 (g_linux_wlan->vif[0].ndev || g_linux_wlan->vif[1].ndev)) { 1650 unregister_inetaddr_notifier(&g_dev_notifier); 1651 1652 for (i = 0; i < NUM_CONCURRENT_IFC; i++) 1653 nic[i] = netdev_priv(g_linux_wlan->vif[i].ndev); 1654 } 1655 1656 if (g_linux_wlan && g_linux_wlan->firmware) 1657 release_firmware(g_linux_wlan->firmware); 1658 1659 if (g_linux_wlan && 1660 (g_linux_wlan->vif[0].ndev || g_linux_wlan->vif[1].ndev)) { 1661 linux_wlan_lock_timeout(&close_exit_sync, 12 * 1000); 1662 1663 for (i = 0; i < NUM_CONCURRENT_IFC; i++) 1664 if (g_linux_wlan->vif[i].ndev) 1665 if (nic[i]->mac_opened) 1666 mac_close(g_linux_wlan->vif[i].ndev); 1667 1668 for (i = 0; i < NUM_CONCURRENT_IFC; i++) { 1669 unregister_netdev(g_linux_wlan->vif[i].ndev); 1670 wilc_free_wiphy(g_linux_wlan->vif[i].ndev); 1671 free_netdev(g_linux_wlan->vif[i].ndev); 1672 } 1673 } 1674 1675 kfree(g_linux_wlan); 1676 1677#if defined(WILC_DEBUGFS) 1678 wilc_debugfs_remove(); 1679#endif 1680 linux_wlan_device_detection(0); 1681 linux_wlan_device_power(0); 1682} 1683 1684int wilc_netdev_init(struct wilc **wilc) 1685{ 1686 int i; 1687 perInterface_wlan_t *nic; 1688 struct net_device *ndev; 1689 1690 sema_init(&close_exit_sync, 0); 1691 1692 /*create the common structure*/ 1693 g_linux_wlan = kzalloc(sizeof(*g_linux_wlan), GFP_KERNEL); 1694 if (!g_linux_wlan) 1695 return -ENOMEM; 1696 1697 *wilc = g_linux_wlan; 1698 1699 register_inetaddr_notifier(&g_dev_notifier); 1700 1701 for (i = 0; i < NUM_CONCURRENT_IFC; i++) { 1702 /*allocate first ethernet device with perinterface_wlan_t as its private data*/ 1703 ndev = alloc_etherdev(sizeof(perInterface_wlan_t)); 1704 if (!ndev) { 1705 PRINT_ER("Failed to allocate ethernet dev\n"); 1706 return -1; 1707 } 1708 1709 nic = netdev_priv(ndev); 1710 memset(nic, 0, sizeof(perInterface_wlan_t)); 1711 1712 /*Name the Devices*/ 1713 if (i == 0) { 1714 #if defined(NM73131) /* tony, 2012-09-20 */ 1715 strcpy(ndev->name, "wilc_eth%d"); 1716 #elif defined(PLAT_CLM9722) /* rachel */ 1717 strcpy(ndev->name, "eth%d"); 1718 #else /* PANDA_BOARD, PLAT_ALLWINNER_A10, PLAT_ALLWINNER_A20, PLAT_ALLWINNER_A31, PLAT_AML8726_M3 or PLAT_WMS8304 */ 1719 strcpy(ndev->name, "wlan%d"); 1720 #endif 1721 } else 1722 strcpy(ndev->name, "p2p%d"); 1723 1724 nic->u8IfIdx = g_linux_wlan->vif_num; 1725 nic->wilc_netdev = ndev; 1726 nic->wilc = *wilc; 1727 g_linux_wlan->vif[g_linux_wlan->vif_num].ndev = ndev; 1728 g_linux_wlan->vif_num++; 1729 ndev->netdev_ops = &wilc_netdev_ops; 1730 1731 { 1732 struct wireless_dev *wdev; 1733 /*Register WiFi*/ 1734 wdev = wilc_create_wiphy(ndev); 1735 1736 #ifdef WILC_SDIO 1737 /* set netdev, tony */ 1738 SET_NETDEV_DEV(ndev, &local_sdio_func->dev); 1739 #endif 1740 1741 if (wdev == NULL) { 1742 PRINT_ER("Can't register WILC Wiphy\n"); 1743 return -1; 1744 } 1745 1746 /*linking the wireless_dev structure with the netdevice*/ 1747 nic->wilc_netdev->ieee80211_ptr = wdev; 1748 nic->wilc_netdev->ml_priv = nic; 1749 wdev->netdev = nic->wilc_netdev; 1750 nic->netstats.rx_packets = 0; 1751 nic->netstats.tx_packets = 0; 1752 nic->netstats.rx_bytes = 0; 1753 nic->netstats.tx_bytes = 0; 1754 1755 } 1756 1757 if (register_netdev(ndev)) { 1758 PRINT_ER("Device couldn't be registered - %s\n", ndev->name); 1759 return -1; /* ERROR */ 1760 } 1761 1762 nic->iftype = STATION_MODE; 1763 nic->mac_opened = 0; 1764 1765 } 1766 1767 #ifndef WILC_SDIO 1768 if (!linux_spi_init(&g_linux_wlan->wilc_spidev)) { 1769 PRINT_ER("Can't initialize SPI\n"); 1770 return -1; /* ERROR */ 1771 } 1772 g_linux_wlan->wilc_spidev = wilc_spi_dev; 1773 #else 1774 g_linux_wlan->wilc_sdio_func = local_sdio_func; 1775 #endif 1776 1777 return 0; 1778} 1779 1780/*The 1st function called after module inserted*/ 1781static int __init init_wilc_driver(void) 1782{ 1783#ifdef WILC_SPI 1784 struct wilc *wilc; 1785#endif 1786 1787#if defined(WILC_DEBUGFS) 1788 if (wilc_debugfs_init() < 0) { 1789 PRINT_D(GENERIC_DBG, "fail to create debugfs for wilc driver\n"); 1790 return -1; 1791 } 1792#endif 1793 1794 printk("IN INIT FUNCTION\n"); 1795 printk("*** WILC1000 driver VERSION=[10.2] FW_VER=[10.2] ***\n"); 1796 1797 linux_wlan_device_power(1); 1798 msleep(100); 1799 linux_wlan_device_detection(1); 1800 1801#ifdef WILC_SDIO 1802 { 1803 int ret; 1804 1805 ret = sdio_register_driver(&wilc_bus); 1806 if (ret < 0) 1807 PRINT_D(INIT_DBG, "init_wilc_driver: Failed register sdio driver\n"); 1808 1809 return ret; 1810 } 1811#else 1812 PRINT_D(INIT_DBG, "Initializing netdev\n"); 1813 if (wilc_netdev_init(&wilc)) 1814 PRINT_ER("Couldn't initialize netdev\n"); 1815 return 0; 1816#endif 1817} 1818late_initcall(init_wilc_driver); 1819 1820static void __exit exit_wilc_driver(void) 1821{ 1822#ifndef WILC_SDIO 1823 PRINT_D(INIT_DBG, "SPI unregister...\n"); 1824 spi_unregister_driver(&wilc_bus); 1825#else 1826 PRINT_D(INIT_DBG, "SDIO unregister...\n"); 1827 sdio_unregister_driver(&wilc_bus); 1828#endif 1829} 1830module_exit(exit_wilc_driver); 1831 1832MODULE_LICENSE("GPL"); 1833