drivers/staging/ath6kl/os/linux/ar6000_drv.c

   1 //------------------------------------------------------------------------------
   2 // Copyright (c) 2004-2010 Atheros Communications Inc.
   3 // All rights reserved.
   4 //
   5 //
   6 //
   7 // Permission to use, copy, modify, and/or distribute this software for any
   8 // purpose with or without fee is hereby granted, provided that the above
   9 // copyright notice and this permission notice appear in all copies.
  10 //
  11 // THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12 // WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13 // MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14 // ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15 // WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16 // ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17 // OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18 //
  19 //
  20 //
  21 // Author(s): ="Atheros"
  22 //------------------------------------------------------------------------------
  23
  24 /*
  25  * This driver is a pseudo ethernet driver to access the Atheros AR6000
  26  * WLAN Device
  27  */
  28
  29 #include "ar6000_drv.h"
  30 #include "cfg80211.h"
  31 #include "htc.h"
  32 #include "wmi_filter_linux.h"
  33 #include "epping_test.h"
  34 #include "wlan_config.h"
  35 #include "ar3kconfig.h"
  36 #include "ar6k_pal.h"
  37 #include "AR6002/addrs.h"
  38
  39
  40 /* LINUX_HACK_FUDGE_FACTOR -- this is used to provide a workaround for linux behavior.  When
  41  *  the meta data was added to the header it was found that linux did not correctly provide
  42  *  enough headroom.  However when more headroom was requested beyond what was truly needed
  43  *  Linux gave the requested headroom. Therefore to get the necessary headroom from Linux
  44  *  the driver requests more than is needed by the amount = LINUX_HACK_FUDGE_FACTOR */
  45 #define LINUX_HACK_FUDGE_FACTOR 16
  46 #define BDATA_BDADDR_OFFSET     28
  47
  48 u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
  49 u8 null_mac[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0};
  50
  51 #ifdef DEBUG
  52
  53 #define  ATH_DEBUG_DBG_LOG       ATH_DEBUG_MAKE_MODULE_MASK(0)
  54 #define  ATH_DEBUG_WLAN_CONNECT  ATH_DEBUG_MAKE_MODULE_MASK(1)
  55 #define  ATH_DEBUG_WLAN_SCAN     ATH_DEBUG_MAKE_MODULE_MASK(2)
  56 #define  ATH_DEBUG_WLAN_TX       ATH_DEBUG_MAKE_MODULE_MASK(3)
  57 #define  ATH_DEBUG_WLAN_RX       ATH_DEBUG_MAKE_MODULE_MASK(4)
  58 #define  ATH_DEBUG_HTC_RAW       ATH_DEBUG_MAKE_MODULE_MASK(5)
  59 #define  ATH_DEBUG_HCI_BRIDGE    ATH_DEBUG_MAKE_MODULE_MASK(6)
  60
  61 static struct ath_debug_mask_description driver_debug_desc[] = {
  62     { ATH_DEBUG_DBG_LOG      , "Target Debug Logs"},
  63     { ATH_DEBUG_WLAN_CONNECT , "WLAN connect"},
  64     { ATH_DEBUG_WLAN_SCAN    , "WLAN scan"},
  65     { ATH_DEBUG_WLAN_TX      , "WLAN Tx"},
  66     { ATH_DEBUG_WLAN_RX      , "WLAN Rx"},
  67     { ATH_DEBUG_HTC_RAW      , "HTC Raw IF tracing"},
  68     { ATH_DEBUG_HCI_BRIDGE   , "HCI Bridge Setup"},
  69     { ATH_DEBUG_HCI_RECV     , "HCI Recv tracing"},
  70     { ATH_DEBUG_HCI_DUMP     , "HCI Packet dumps"},
  71 };
  72
  73 ATH_DEBUG_INSTANTIATE_MODULE_VAR(driver,
  74                                  "driver",
  75                                  "Linux Driver Interface",
  76                                  ATH_DEBUG_MASK_DEFAULTS | ATH_DEBUG_WLAN_SCAN |
  77                                  ATH_DEBUG_HCI_BRIDGE,
  78                                  ATH_DEBUG_DESCRIPTION_COUNT(driver_debug_desc),
  79                                  driver_debug_desc);
  80
  81 #endif
  82
  83
  84 #define IS_MAC_NULL(mac) (mac[0]==0 && mac[1]==0 && mac[2]==0 && mac[3]==0 && mac[4]==0 && mac[5]==0)
  85 #define IS_MAC_BCAST(mac) (*mac==0xff)
  86
  87 #define DESCRIPTION "Driver to access the Atheros AR600x Device, version " __stringify(__VER_MAJOR_) "." __stringify(__VER_MINOR_) "." __stringify(__VER_PATCH_) "." __stringify(__BUILD_NUMBER_)
  88
  89 MODULE_AUTHOR("Atheros Communications, Inc.");
  90 MODULE_DESCRIPTION(DESCRIPTION);
  91 MODULE_LICENSE("Dual BSD/GPL");
  92
  93 #ifndef REORG_APTC_HEURISTICS
  94 #undef ADAPTIVE_POWER_THROUGHPUT_CONTROL
  95 #endif /* REORG_APTC_HEURISTICS */
  96
  97 #ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL
  98 #define APTC_TRAFFIC_SAMPLING_INTERVAL     100  /* msec */
  99 #define APTC_UPPER_THROUGHPUT_THRESHOLD    3000 /* Kbps */
 100 #define APTC_LOWER_THROUGHPUT_THRESHOLD    2000 /* Kbps */
 101
 102 typedef struct aptc_traffic_record {
 103     bool timerScheduled;
 104     struct timeval samplingTS;
 105     unsigned long bytesReceived;
 106     unsigned long bytesTransmitted;
 107 } APTC_TRAFFIC_RECORD;
 108
 109 A_TIMER aptcTimer;
 110 APTC_TRAFFIC_RECORD aptcTR;
 111 #endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */
 112
 113 #ifdef EXPORT_HCI_BRIDGE_INTERFACE
 114 // callbacks registered by HCI transport driver
 115 struct hci_transport_callbacks ar6kHciTransCallbacks = { NULL };
 116 #endif
 117
 118 unsigned int processDot11Hdr = 0;
 119
 120 char ifname[IFNAMSIZ] = {0,};
 121
 122 int wlaninitmode = WLAN_INIT_MODE_DEFAULT;
 123 static bool bypasswmi;
 124 unsigned int debuglevel = 0;
 125 int tspecCompliance = ATHEROS_COMPLIANCE;
 126 unsigned int busspeedlow = 0;
 127 unsigned int onebitmode = 0;
 128 unsigned int skipflash = 0;
 129 unsigned int wmitimeout = 2;
 130 unsigned int wlanNodeCaching = 1;
 131 unsigned int enableuartprint = ENABLEUARTPRINT_DEFAULT;
 132 unsigned int logWmiRawMsgs = 0;
 133 unsigned int enabletimerwar = 0;
 134 unsigned int num_device = 1;
 135 unsigned int regscanmode;
 136 unsigned int fwmode = 1;
 137 unsigned int mbox_yield_limit = 99;
 138 unsigned int enablerssicompensation = 0;
 139 int reduce_credit_dribble = 1 + HTC_CONNECT_FLAGS_THRESHOLD_LEVEL_ONE_HALF;
 140 int allow_trace_signal = 0;
 141 #ifdef CONFIG_HOST_TCMD_SUPPORT
 142 unsigned int testmode =0;
 143 #endif
 144
 145 unsigned int irqprocmode = HIF_DEVICE_IRQ_SYNC_ONLY;//HIF_DEVICE_IRQ_ASYNC_SYNC;
 146 unsigned int panic_on_assert = 1;
 147 unsigned int nohifscattersupport = NOHIFSCATTERSUPPORT_DEFAULT;
 148
 149 unsigned int setuphci = SETUPHCI_DEFAULT;
 150 unsigned int loghci = 0;
 151 unsigned int setupbtdev = SETUPBTDEV_DEFAULT;
 152 #ifndef EXPORT_HCI_BRIDGE_INTERFACE
 153 unsigned int ar3khcibaud = AR3KHCIBAUD_DEFAULT;
 154 unsigned int hciuartscale = HCIUARTSCALE_DEFAULT;
 155 unsigned int hciuartstep = HCIUARTSTEP_DEFAULT;
 156 #endif
 157 unsigned int csumOffload=0;
 158 unsigned int csumOffloadTest=0;
 159 unsigned int eppingtest=0;
 160 unsigned int mac_addr_method;
 161 unsigned int firmware_bridge;
 162
 163 module_param_string(ifname, ifname, sizeof(ifname), 0644);
 164 module_param(wlaninitmode, int, 0644);
 165 module_param(bypasswmi, bool, 0644);
 166 module_param(debuglevel, uint, 0644);
 167 module_param(tspecCompliance, int, 0644);
 168 module_param(onebitmode, uint, 0644);
 169 module_param(busspeedlow, uint, 0644);
 170 module_param(skipflash, uint, 0644);
 171 module_param(wmitimeout, uint, 0644);
 172 module_param(wlanNodeCaching, uint, 0644);
 173 module_param(logWmiRawMsgs, uint, 0644);
 174 module_param(enableuartprint, uint, 0644);
 175 module_param(enabletimerwar, uint, 0644);
 176 module_param(fwmode, uint, 0644);
 177 module_param(mbox_yield_limit, uint, 0644);
 178 module_param(reduce_credit_dribble, int, 0644);
 179 module_param(allow_trace_signal, int, 0644);
 180 module_param(enablerssicompensation, uint, 0644);
 181 module_param(processDot11Hdr, uint, 0644);
 182 module_param(csumOffload, uint, 0644);
 183 #ifdef CONFIG_HOST_TCMD_SUPPORT
 184 module_param(testmode, uint, 0644);
 185 #endif
 186 module_param(irqprocmode, uint, 0644);
 187 module_param(nohifscattersupport, uint, 0644);
 188 module_param(panic_on_assert, uint, 0644);
 189 module_param(setuphci, uint, 0644);
 190 module_param(loghci, uint, 0644);
 191 module_param(setupbtdev, uint, 0644);
 192 #ifndef EXPORT_HCI_BRIDGE_INTERFACE
 193 module_param(ar3khcibaud, uint, 0644);
 194 module_param(hciuartscale, uint, 0644);
 195 module_param(hciuartstep, uint, 0644);
 196 #endif
 197 module_param(eppingtest, uint, 0644);
 198
 199 /* in 2.6.10 and later this is now a pointer to a uint */
 200 unsigned int _mboxnum = HTC_MAILBOX_NUM_MAX;
 201 #define mboxnum &_mboxnum
 202
 203 #ifdef DEBUG
 204 u32 g_dbg_flags = DBG_DEFAULTS;
 205 unsigned int debugflags = 0;
 206 int debugdriver = 0;
 207 unsigned int debughtc = 0;
 208 unsigned int debugbmi = 0;
 209 unsigned int debughif = 0;
 210 unsigned int txcreditsavailable[HTC_MAILBOX_NUM_MAX] = {0};
 211 unsigned int txcreditsconsumed[HTC_MAILBOX_NUM_MAX] = {0};
 212 unsigned int txcreditintrenable[HTC_MAILBOX_NUM_MAX] = {0};
 213 unsigned int txcreditintrenableaggregate[HTC_MAILBOX_NUM_MAX] = {0};
 214 module_param(debugflags, uint, 0644);
 215 module_param(debugdriver, int, 0644);
 216 module_param(debughtc, uint, 0644);
 217 module_param(debugbmi, uint, 0644);
 218 module_param(debughif, uint, 0644);
 219 module_param_array(txcreditsavailable, uint, mboxnum, 0644);
 220 module_param_array(txcreditsconsumed, uint, mboxnum, 0644);
 221 module_param_array(txcreditintrenable, uint, mboxnum, 0644);
 222 module_param_array(txcreditintrenableaggregate, uint, mboxnum, 0644);
 223
 224 #endif /* DEBUG */
 225
 226 unsigned int resetok = 1;
 227 unsigned int tx_attempt[HTC_MAILBOX_NUM_MAX] = {0};
 228 unsigned int tx_post[HTC_MAILBOX_NUM_MAX] = {0};
 229 unsigned int tx_complete[HTC_MAILBOX_NUM_MAX] = {0};
 230 unsigned int hifBusRequestNumMax = 40;
 231 unsigned int war23838_disabled = 0;
 232 #ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL
 233 unsigned int enableAPTCHeuristics = 1;
 234 #endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */
 235 module_param_array(tx_attempt, uint, mboxnum, 0644);
 236 module_param_array(tx_post, uint, mboxnum, 0644);
 237 module_param_array(tx_complete, uint, mboxnum, 0644);
 238 module_param(hifBusRequestNumMax, uint, 0644);
 239 module_param(war23838_disabled, uint, 0644);
 240 module_param(resetok, uint, 0644);
 241 #ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL
 242 module_param(enableAPTCHeuristics, uint, 0644);
 243 #endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */
 244
 245 #ifdef BLOCK_TX_PATH_FLAG
 246 int blocktx = 0;
 247 module_param(blocktx, int, 0644);
 248 #endif /* BLOCK_TX_PATH_FLAG */
 249
 250 typedef struct user_rssi_compensation_t {
 251     u16 customerID;
 252     union {
 253     u16 a_enable;
 254     u16 bg_enable;
 255     u16 enable;
 256     };
 257     s16 bg_param_a;
 258     s16 bg_param_b;
 259     s16 a_param_a;
 260     s16 a_param_b;
 261     u32 reserved;
 262 } USER_RSSI_CPENSATION;
 263
 264 static USER_RSSI_CPENSATION rssi_compensation_param;
 265
 266 static s16 rssi_compensation_table[96];
 267
 268 int reconnect_flag = 0;
 269 static ar6k_pal_config_t ar6k_pal_config_g;
 270
 271 /* Function declarations */
 272 static int ar6000_init_module(void);
 273 static void ar6000_cleanup_module(void);
 274
 275 int ar6000_init(struct net_device *dev);
 276 static int ar6000_open(struct net_device *dev);
 277 static int ar6000_close(struct net_device *dev);
 278 static void ar6000_init_control_info(struct ar6_softc *ar);
 279 static int ar6000_data_tx(struct sk_buff *skb, struct net_device *dev);
 280
 281 void ar6000_destroy(struct net_device *dev, unsigned int unregister);
 282 static void ar6000_detect_error(unsigned long ptr);
 283 static void     ar6000_set_multicast_list(struct net_device *dev);
 284 static struct net_device_stats *ar6000_get_stats(struct net_device *dev);
 285
 286 static void disconnect_timer_handler(unsigned long ptr);
 287
 288 void read_rssi_compensation_param(struct ar6_softc *ar);
 289
 290 /*
 291  * HTC service connection handlers
 292  */
 293 static int ar6000_avail_ev(void *context, void *hif_handle);
 294
 295 static int ar6000_unavail_ev(void *context, void *hif_handle);
 296
 297 int ar6000_configure_target(struct ar6_softc *ar);
 298
 299 static void ar6000_target_failure(void *Instance, int Status);
 300
 301 static void ar6000_rx(void *Context, struct htc_packet *pPacket);
 302
 303 static void ar6000_rx_refill(void *Context,HTC_ENDPOINT_ID Endpoint);
 304
 305 static void ar6000_tx_complete(void *Context, struct htc_packet_queue *pPackets);
 306
 307 static HTC_SEND_FULL_ACTION ar6000_tx_queue_full(void *Context, struct htc_packet *pPacket);
 308
 309 static void ar6000_alloc_netbufs(A_NETBUF_QUEUE_T *q, u16 num);
 310 static void ar6000_deliver_frames_to_nw_stack(void * dev, void *osbuf);
 311 //static void ar6000_deliver_frames_to_bt_stack(void * dev, void *osbuf);
 312
 313 static struct htc_packet *ar6000_alloc_amsdu_rxbuf(void *Context, HTC_ENDPOINT_ID Endpoint, int Length);
 314
 315 static void ar6000_refill_amsdu_rxbufs(struct ar6_softc *ar, int Count);
 316
 317 static void ar6000_cleanup_amsdu_rxbufs(struct ar6_softc *ar);
 318
 319 static ssize_t
 320 ar6000_sysfs_bmi_read(struct file *fp, struct kobject *kobj,
 321                       struct bin_attribute *bin_attr,
 322                       char *buf, loff_t pos, size_t count);
 323
 324 static ssize_t
 325 ar6000_sysfs_bmi_write(struct file *fp, struct kobject *kobj,
 326                        struct bin_attribute *bin_attr,
 327                        char *buf, loff_t pos, size_t count);
 328
 329 static int
 330 ar6000_sysfs_bmi_init(struct ar6_softc *ar);
 331
 332 void  ar6k_cleanup_hci_pal(struct ar6_softc *ar);
 333
 334 static void
 335 ar6000_sysfs_bmi_deinit(struct ar6_softc *ar);
 336
 337 int
 338 ar6000_sysfs_bmi_get_config(struct ar6_softc *ar, u32 mode);
 339
 340 /*
 341  * Static variables
 342  */
 343
 344 struct net_device *ar6000_devices[MAX_AR6000];
 345 static int is_netdev_registered;
 346 DECLARE_WAIT_QUEUE_HEAD(arEvent);
 347 static void ar6000_cookie_init(struct ar6_softc *ar);
 348 static void ar6000_cookie_cleanup(struct ar6_softc *ar);
 349 static void ar6000_free_cookie(struct ar6_softc *ar, struct ar_cookie * cookie);
 350 static struct ar_cookie *ar6000_alloc_cookie(struct ar6_softc *ar);
 351
 352 static int ar6000_reinstall_keys(struct ar6_softc *ar,u8 key_op_ctrl);
 353
 354 #ifdef CONFIG_AP_VIRTUAL_ADAPTER_SUPPORT
 355 struct net_device *arApNetDev;
 356 #endif /* CONFIG_AP_VIRTUAL_ADAPTER_SUPPORT */
 357
 358 static struct ar_cookie s_ar_cookie_mem[MAX_COOKIE_NUM];
 359
 360 #define HOST_INTEREST_ITEM_ADDRESS(ar, item) \
 361         (((ar)->arTargetType == TARGET_TYPE_AR6002) ? AR6002_HOST_INTEREST_ITEM_ADDRESS(item) : \
 362         (((ar)->arTargetType == TARGET_TYPE_AR6003) ? AR6003_HOST_INTEREST_ITEM_ADDRESS(item) : 0))
 363
 364
 365 static struct net_device_ops ar6000_netdev_ops = {
 366     .ndo_init               = NULL,
 367     .ndo_open               = ar6000_open,
 368     .ndo_stop               = ar6000_close,
 369     .ndo_get_stats          = ar6000_get_stats,
 370     .ndo_start_xmit         = ar6000_data_tx,
 371     .ndo_set_multicast_list = ar6000_set_multicast_list,
 372 };
 373
 374 /* Debug log support */
 375
 376 /*
 377  * Flag to govern whether the debug logs should be parsed in the kernel
 378  * or reported to the application.
 379  */
 380 #define REPORT_DEBUG_LOGS_TO_APP
 381
 382 int
 383 ar6000_set_host_app_area(struct ar6_softc *ar)
 384 {
 385     u32 address, data;
 386     struct host_app_area_s host_app_area;
 387
 388     /* Fetch the address of the host_app_area_s instance in the host interest area */
 389     address = TARG_VTOP(ar->arTargetType, HOST_INTEREST_ITEM_ADDRESS(ar, hi_app_host_interest));
 390     if (ar6000_ReadRegDiag(ar->arHifDevice, &address, &data) != 0) {
 391         return A_ERROR;
 392     }
 393     address = TARG_VTOP(ar->arTargetType, data);
 394     host_app_area.wmi_protocol_ver = WMI_PROTOCOL_VERSION;
 395     if (ar6000_WriteDataDiag(ar->arHifDevice, address,
 396                              (u8 *)&host_app_area,
 397                              sizeof(struct host_app_area_s)) != 0)
 398     {
 399         return A_ERROR;
 400     }
 401
 402     return 0;
 403 }
 404
 405 u32 dbglog_get_debug_hdr_ptr(struct ar6_softc *ar)
 406 {
 407     u32 param;
 408     u32 address;
 409     int status;
 410
 411     address = TARG_VTOP(ar->arTargetType, HOST_INTEREST_ITEM_ADDRESS(ar, hi_dbglog_hdr));
 412     if ((status = ar6000_ReadDataDiag(ar->arHifDevice, address,
 413                                       (u8 *)&param, 4)) != 0)
 414     {
 415         param = 0;
 416     }
 417
 418     return param;
 419 }
 420
 421 /*
 422  * The dbglog module has been initialized. Its ok to access the relevant
 423  * data stuctures over the diagnostic window.
 424  */
 425 void
 426 ar6000_dbglog_init_done(struct ar6_softc *ar)
 427 {
 428     ar->dbglog_init_done = true;
 429 }
 430
 431 u32 dbglog_get_debug_fragment(s8 *datap, u32 len, u32 limit)
 432 {
 433     s32 *buffer;
 434     u32 count;
 435     u32 numargs;
 436     u32 length;
 437     u32 fraglen;
 438
 439     count = fraglen = 0;
 440     buffer = (s32 *)datap;
 441     length = (limit >> 2);
 442
 443     if (len <= limit) {
 444         fraglen = len;
 445     } else {
 446         while (count < length) {
 447             numargs = DBGLOG_GET_NUMARGS(buffer[count]);
 448             fraglen = (count << 2);
 449             count += numargs + 1;
 450         }
 451     }
 452
 453     return fraglen;
 454 }
 455
 456 void
 457 dbglog_parse_debug_logs(s8 *datap, u32 len)
 458 {
 459     s32 *buffer;
 460     u32 count;
 461     u32 timestamp;
 462     u32 debugid;
 463     u32 moduleid;
 464     u32 numargs;
 465     u32 length;
 466
 467     count = 0;
 468     buffer = (s32 *)datap;
 469     length = (len >> 2);
 470     while (count < length) {
 471         debugid = DBGLOG_GET_DBGID(buffer[count]);
 472         moduleid = DBGLOG_GET_MODULEID(buffer[count]);
 473         numargs = DBGLOG_GET_NUMARGS(buffer[count]);
 474         timestamp = DBGLOG_GET_TIMESTAMP(buffer[count]);
 475         switch (numargs) {
 476             case 0:
 477             AR_DEBUG_PRINTF(ATH_DEBUG_DBG_LOG,("%d %d (%d)\n", moduleid, debugid, timestamp));
 478             break;
 479
 480             case 1:
 481             AR_DEBUG_PRINTF(ATH_DEBUG_DBG_LOG,("%d %d (%d): 0x%x\n", moduleid, debugid,
 482                             timestamp, buffer[count+1]));
 483             break;
 484
 485             case 2:
 486             AR_DEBUG_PRINTF(ATH_DEBUG_DBG_LOG,("%d %d (%d): 0x%x, 0x%x\n", moduleid, debugid,
 487                             timestamp, buffer[count+1], buffer[count+2]));
 488             break;
 489
 490             default:
 491             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Invalid args: %d\n", numargs));
 492         }
 493         count += numargs + 1;
 494     }
 495 }
 496
 497 int
 498 ar6000_dbglog_get_debug_logs(struct ar6_softc *ar)
 499 {
 500     u32 data[8]; /* Should be able to accommodate struct dbglog_buf_s */
 501     u32 address;
 502     u32 length;
 503     u32 dropped;
 504     u32 firstbuf;
 505     u32 debug_hdr_ptr;
 506
 507     if (!ar->dbglog_init_done) return A_ERROR;
 508
 509
 510     AR6000_SPIN_LOCK(&ar->arLock, 0);
 511
 512     if (ar->dbgLogFetchInProgress) {
 513         AR6000_SPIN_UNLOCK(&ar->arLock, 0);
 514         return A_EBUSY;
 515     }
 516
 517         /* block out others */
 518     ar->dbgLogFetchInProgress = true;
 519
 520     AR6000_SPIN_UNLOCK(&ar->arLock, 0);
 521
 522     debug_hdr_ptr = dbglog_get_debug_hdr_ptr(ar);
 523     printk("debug_hdr_ptr: 0x%x\n", debug_hdr_ptr);
 524
 525     /* Get the contents of the ring buffer */
 526     if (debug_hdr_ptr) {
 527         address = TARG_VTOP(ar->arTargetType, debug_hdr_ptr);
 528         length = 4 /* sizeof(dbuf) */ + 4 /* sizeof(dropped) */;
 529         A_MEMZERO(data, sizeof(data));
 530         ar6000_ReadDataDiag(ar->arHifDevice, address, (u8 *)data, length);
 531         address = TARG_VTOP(ar->arTargetType, data[0] /* dbuf */);
 532         firstbuf = address;
 533         dropped = data[1]; /* dropped */
 534         length = 4 /* sizeof(next) */ + 4 /* sizeof(buffer) */ + 4 /* sizeof(bufsize) */ + 4 /* sizeof(length) */ + 4 /* sizeof(count) */ + 4 /* sizeof(free) */;
 535         A_MEMZERO(data, sizeof(data));
 536         ar6000_ReadDataDiag(ar->arHifDevice, address, (u8 *)&data, length);
 537
 538         do {
 539             address = TARG_VTOP(ar->arTargetType, data[1] /* buffer*/);
 540             length = data[3]; /* length */
 541             if ((length) && (length <= data[2] /* bufsize*/)) {
 542                 /* Rewind the index if it is about to overrun the buffer */
 543                 if (ar->log_cnt > (DBGLOG_HOST_LOG_BUFFER_SIZE - length)) {
 544                     ar->log_cnt = 0;
 545                 }
 546                 if(0 != ar6000_ReadDataDiag(ar->arHifDevice, address,
 547                                     (u8 *)&ar->log_buffer[ar->log_cnt], length))
 548                 {
 549                     break;
 550                 }
 551                 ar6000_dbglog_event(ar, dropped, (s8 *)&ar->log_buffer[ar->log_cnt], length);
 552                 ar->log_cnt += length;
 553             } else {
 554                 AR_DEBUG_PRINTF(ATH_DEBUG_DBG_LOG,("Length: %d (Total size: %d)\n",
 555                                 data[3], data[2]));
 556             }
 557
 558             address = TARG_VTOP(ar->arTargetType, data[0] /* next */);
 559             length = 4 /* sizeof(next) */ + 4 /* sizeof(buffer) */ + 4 /* sizeof(bufsize) */ + 4 /* sizeof(length) */ + 4 /* sizeof(count) */ + 4 /* sizeof(free) */;
 560             A_MEMZERO(data, sizeof(data));
 561             if(0 != ar6000_ReadDataDiag(ar->arHifDevice, address,
 562                                 (u8 *)&data, length))
 563             {
 564                 break;
 565             }
 566
 567         } while (address != firstbuf);
 568     }
 569
 570     ar->dbgLogFetchInProgress = false;
 571
 572     return 0;
 573 }
 574
 575 void
 576 ar6000_dbglog_event(struct ar6_softc *ar, u32 dropped,
 577                     s8 *buffer, u32 length)
 578 {
 579 #ifdef REPORT_DEBUG_LOGS_TO_APP
 580     #define MAX_WIRELESS_EVENT_SIZE 252
 581     /*
 582      * Break it up into chunks of MAX_WIRELESS_EVENT_SIZE bytes of messages.
 583      * There seems to be a limitation on the length of message that could be
 584      * transmitted to the user app via this mechanism.
 585      */
 586     u32 send, sent;
 587
 588     sent = 0;
 589     send = dbglog_get_debug_fragment(&buffer[sent], length - sent,
 590                                      MAX_WIRELESS_EVENT_SIZE);
 591     while (send) {
 592         sent += send;
 593         send = dbglog_get_debug_fragment(&buffer[sent], length - sent,
 594                                          MAX_WIRELESS_EVENT_SIZE);
 595     }
 596 #else
 597     AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Dropped logs: 0x%x\nDebug info length: %d\n",
 598                     dropped, length));
 599
 600     /* Interpret the debug logs */
 601     dbglog_parse_debug_logs((s8 *)buffer, length);
 602 #endif /* REPORT_DEBUG_LOGS_TO_APP */
 603 }
 604
 605
 606 static int __init
 607 ar6000_init_module(void)
 608 {
 609     static int probed = 0;
 610     int r;
 611     OSDRV_CALLBACKS osdrvCallbacks;
 612
 613     a_module_debug_support_init();
 614
 615 #ifdef DEBUG
 616         /* check for debug mask overrides */
 617     if (debughtc != 0) {
 618         ATH_DEBUG_SET_DEBUG_MASK(htc,debughtc);
 619     }
 620     if (debugbmi != 0) {
 621         ATH_DEBUG_SET_DEBUG_MASK(bmi,debugbmi);
 622     }
 623     if (debughif != 0) {
 624         ATH_DEBUG_SET_DEBUG_MASK(hif,debughif);
 625     }
 626     if (debugdriver != 0) {
 627         ATH_DEBUG_SET_DEBUG_MASK(driver,debugdriver);
 628     }
 629
 630 #endif
 631
 632     A_REGISTER_MODULE_DEBUG_INFO(driver);
 633
 634     A_MEMZERO(&osdrvCallbacks,sizeof(osdrvCallbacks));
 635     osdrvCallbacks.deviceInsertedHandler = ar6000_avail_ev;
 636     osdrvCallbacks.deviceRemovedHandler = ar6000_unavail_ev;
 637 #ifdef CONFIG_PM
 638     osdrvCallbacks.deviceSuspendHandler = ar6000_suspend_ev;
 639     osdrvCallbacks.deviceResumeHandler = ar6000_resume_ev;
 640     osdrvCallbacks.devicePowerChangeHandler = ar6000_power_change_ev;
 641 #endif
 642
 643 #ifdef DEBUG
 644     /* Set the debug flags if specified at load time */
 645     if(debugflags != 0)
 646     {
 647         g_dbg_flags = debugflags;
 648     }
 649 #endif
 650
 651     if (probed) {
 652         return -ENODEV;
 653     }
 654     probed++;
 655
 656 #ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL
 657     memset(&aptcTR, 0, sizeof(APTC_TRAFFIC_RECORD));
 658 #endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */
 659
 660     r = HIFInit(&osdrvCallbacks);
 661     if (r)
 662         return r;
 663
 664     return 0;
 665 }
 666
 667 static void __exit
 668 ar6000_cleanup_module(void)
 669 {
 670     int i = 0;
 671     struct net_device *ar6000_netdev;
 672
 673 #ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL
 674     /* Delete the Adaptive Power Control timer */
 675     if (timer_pending(&aptcTimer)) {
 676         del_timer_sync(&aptcTimer);
 677     }
 678 #endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */
 679
 680     for (i=0; i < MAX_AR6000; i++) {
 681         if (ar6000_devices[i] != NULL) {
 682             ar6000_netdev = ar6000_devices[i];
 683             ar6000_devices[i] = NULL;
 684             ar6000_destroy(ar6000_netdev, 1);
 685         }
 686     }
 687
 688     HIFShutDownDevice(NULL);
 689
 690     a_module_debug_support_cleanup();
 691
 692     AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("ar6000_cleanup: success\n"));
 693 }
 694
 695 #ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL
 696 void
 697 aptcTimerHandler(unsigned long arg)
 698 {
 699     u32 numbytes;
 700     u32 throughput;
 701     struct ar6_softc *ar;
 702     int status;
 703
 704     ar = (struct ar6_softc *)arg;
 705     A_ASSERT(ar != NULL);
 706     A_ASSERT(!timer_pending(&aptcTimer));
 707
 708     AR6000_SPIN_LOCK(&ar->arLock, 0);
 709
 710     /* Get the number of bytes transferred */
 711     numbytes = aptcTR.bytesTransmitted + aptcTR.bytesReceived;
 712     aptcTR.bytesTransmitted = aptcTR.bytesReceived = 0;
 713
 714     /* Calculate and decide based on throughput thresholds */
 715     throughput = ((numbytes * 8)/APTC_TRAFFIC_SAMPLING_INTERVAL); /* Kbps */
 716     if (throughput < APTC_LOWER_THROUGHPUT_THRESHOLD) {
 717         /* Enable Sleep and delete the timer */
 718         A_ASSERT(ar->arWmiReady == true);
 719         AR6000_SPIN_UNLOCK(&ar->arLock, 0);
 720         status = wmi_powermode_cmd(ar->arWmi, REC_POWER);
 721         AR6000_SPIN_LOCK(&ar->arLock, 0);
 722         A_ASSERT(status == 0);
 723         aptcTR.timerScheduled = false;
 724     } else {
 725         A_TIMEOUT_MS(&aptcTimer, APTC_TRAFFIC_SAMPLING_INTERVAL, 0);
 726     }
 727
 728     AR6000_SPIN_UNLOCK(&ar->arLock, 0);
 729 }
 730 #endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */
 731
 732 static void
 733 ar6000_alloc_netbufs(A_NETBUF_QUEUE_T *q, u16 num)
 734 {
 735     void * osbuf;
 736
 737     while(num) {
 738         if((osbuf = A_NETBUF_ALLOC(AR6000_BUFFER_SIZE))) {
 739             A_NETBUF_ENQUEUE(q, osbuf);
 740         } else {
 741             break;
 742         }
 743         num--;
 744     }
 745
 746     if(num) {
 747         A_PRINTF("%s(), allocation of netbuf failed", __func__);
 748     }
 749 }
 750
 751 static struct bin_attribute bmi_attr = {
 752     .attr = {.name = "bmi", .mode = 0600},
 753     .read = ar6000_sysfs_bmi_read,
 754     .write = ar6000_sysfs_bmi_write,
 755 };
 756
 757 static ssize_t
 758 ar6000_sysfs_bmi_read(struct file *fp, struct kobject *kobj,
 759                       struct bin_attribute *bin_attr,
 760                       char *buf, loff_t pos, size_t count)
 761 {
 762     int index;
 763     struct ar6_softc *ar;
 764     struct hif_device_os_device_info   *osDevInfo;
 765
 766     AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("BMI: Read %d bytes\n", (u32)count));
 767     for (index=0; index < MAX_AR6000; index++) {
 768         ar = (struct ar6_softc *)ar6k_priv(ar6000_devices[index]);
 769         osDevInfo = &ar->osDevInfo;
 770         if (kobj == (&(((struct device *)osDevInfo->pOSDevice)->kobj))) {
 771             break;
 772         }
 773     }
 774
 775     if (index == MAX_AR6000) return 0;
 776
 777     if ((BMIRawRead(ar->arHifDevice, (u8*)buf, count, true)) != 0) {
 778         return 0;
 779     }
 780
 781     return count;
 782 }
 783
 784 static ssize_t
 785 ar6000_sysfs_bmi_write(struct file *fp, struct kobject *kobj,
 786                        struct bin_attribute *bin_attr,
 787                        char *buf, loff_t pos, size_t count)
 788 {
 789     int index;
 790     struct ar6_softc *ar;
 791     struct hif_device_os_device_info   *osDevInfo;
 792
 793     AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("BMI: Write %d bytes\n", (u32)count));
 794     for (index=0; index < MAX_AR6000; index++) {
 795         ar = (struct ar6_softc *)ar6k_priv(ar6000_devices[index]);
 796         osDevInfo = &ar->osDevInfo;
 797         if (kobj == (&(((struct device *)osDevInfo->pOSDevice)->kobj))) {
 798             break;
 799         }
 800     }
 801
 802     if (index == MAX_AR6000) return 0;
 803
 804     if ((BMIRawWrite(ar->arHifDevice, (u8*)buf, count)) != 0) {
 805         return 0;
 806     }
 807
 808     return count;
 809 }
 810
 811 static int
 812 ar6000_sysfs_bmi_init(struct ar6_softc *ar)
 813 {
 814     int status;
 815
 816     AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("BMI: Creating sysfs entry\n"));
 817     A_MEMZERO(&ar->osDevInfo, sizeof(struct hif_device_os_device_info));
 818
 819     /* Get the underlying OS device */
 820     status = HIFConfigureDevice(ar->arHifDevice,
 821                                 HIF_DEVICE_GET_OS_DEVICE,
 822                                 &ar->osDevInfo,
 823                                 sizeof(struct hif_device_os_device_info));
 824
 825     if (status) {
 826         AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("BMI: Failed to get OS device info from HIF\n"));
 827         return A_ERROR;
 828     }
 829
 830     /* Create a bmi entry in the sysfs filesystem */
 831     if ((sysfs_create_bin_file(&(((struct device *)ar->osDevInfo.pOSDevice)->kobj), &bmi_attr)) < 0)
 832     {
 833         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("BMI: Failed to create entry for bmi in sysfs filesystem\n"));
 834         return A_ERROR;
 835     }
 836
 837     return 0;
 838 }
 839
 840 static void
 841 ar6000_sysfs_bmi_deinit(struct ar6_softc *ar)
 842 {
 843     AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("BMI: Deleting sysfs entry\n"));
 844
 845     sysfs_remove_bin_file(&(((struct device *)ar->osDevInfo.pOSDevice)->kobj), &bmi_attr);
 846 }
 847
 848 #define bmifn(fn) do { \
 849     if ((fn) < 0) { \
 850         AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("BMI operation failed: %d\n", __LINE__)); \
 851         return A_ERROR; \
 852     } \
 853 } while(0)
 854
 855 #ifdef SOFTMAC_FILE_USED
 856 #define AR6002_MAC_ADDRESS_OFFSET     0x0A
 857 #define AR6003_MAC_ADDRESS_OFFSET     0x16
 858 static
 859 void calculate_crc(u32 TargetType, u8 *eeprom_data)
 860 {
 861     u16 *ptr_crc;
 862     u16 *ptr16_eeprom;
 863     u16 checksum;
 864     u32 i;
 865     u32 eeprom_size;
 866
 867     if (TargetType == TARGET_TYPE_AR6001)
 868     {
 869         eeprom_size = 512;
 870         ptr_crc = (u16 *)eeprom_data;
 871     }
 872     else if (TargetType == TARGET_TYPE_AR6003)
 873     {
 874         eeprom_size = 1024;
 875         ptr_crc = (u16 *)((u8 *)eeprom_data + 0x04);
 876     }
 877     else
 878     {
 879         eeprom_size = 768;
 880         ptr_crc = (u16 *)((u8 *)eeprom_data + 0x04);
 881     }
 882
 883
 884     // Clear the crc
 885     *ptr_crc = 0;
 886
 887     // Recalculate new CRC
 888     checksum = 0;
 889     ptr16_eeprom = (u16 *)eeprom_data;
 890     for (i = 0;i < eeprom_size; i += 2)
 891     {
 892         checksum = checksum ^ (*ptr16_eeprom);
 893         ptr16_eeprom++;
 894     }
 895     checksum = 0xFFFF ^ checksum;
 896     *ptr_crc = checksum;
 897 }
 898
 899 static void
 900 ar6000_softmac_update(struct ar6_softc *ar, u8 *eeprom_data, size_t size)
 901 {
 902     const char *source = "random generated";
 903     const struct firmware *softmac_entry;
 904     u8 *ptr_mac;
 905     switch (ar->arTargetType) {
 906     case TARGET_TYPE_AR6002:
 907         ptr_mac = (u8 *)((u8 *)eeprom_data + AR6002_MAC_ADDRESS_OFFSET);
 908         break;
 909     case TARGET_TYPE_AR6003:
 910         ptr_mac = (u8 *)((u8 *)eeprom_data + AR6003_MAC_ADDRESS_OFFSET);
 911         break;
 912     default:
 913         AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Invalid Target Type\n"));
 914         return;
 915     }
 916         printk(KERN_DEBUG "MAC from EEPROM %pM\n", ptr_mac);
 917
 918     /* create a random MAC in case we cannot read file from system */
 919     ptr_mac[0] = 0;
 920     ptr_mac[1] = 0x03;
 921     ptr_mac[2] = 0x7F;
 922     ptr_mac[3] = random32() & 0xff;
 923     ptr_mac[4] = random32() & 0xff;
 924     ptr_mac[5] = random32() & 0xff;
 925     if ((A_REQUEST_FIRMWARE(&softmac_entry, "softmac", ((struct device *)ar->osDevInfo.pOSDevice))) == 0)
 926     {
 927         char *macbuf = A_MALLOC_NOWAIT(softmac_entry->size+1);
 928         if (macbuf) {
 929             unsigned int softmac[6];
 930             memcpy(macbuf, softmac_entry->data, softmac_entry->size);
 931             macbuf[softmac_entry->size] = '\0';
 932             if (sscanf(macbuf, "%02x:%02x:%02x:%02x:%02x:%02x",
 933                         &softmac[0], &softmac[1], &softmac[2],
 934                         &softmac[3], &softmac[4], &softmac[5])==6) {
 935                 int i;
 936                 for (i=0; i<6; ++i) {
 937                     ptr_mac[i] = softmac[i] & 0xff;
 938                 }
 939                 source = "softmac file";
 940             }
 941             kfree(macbuf);
 942         }
 943         A_RELEASE_FIRMWARE(softmac_entry);
 944     }
 945         printk(KERN_DEBUG "MAC from %s %pM\n", source, ptr_mac);
 946    calculate_crc(ar->arTargetType, eeprom_data);
 947 }
 948 #endif /* SOFTMAC_FILE_USED */
 949
 950 static int
 951 ar6000_transfer_bin_file(struct ar6_softc *ar, AR6K_BIN_FILE file, u32 address, bool compressed)
 952 {
 953     int status;
 954     const char *filename;
 955     const struct firmware *fw_entry;
 956     u32 fw_entry_size;
 957     u8 **buf;
 958     size_t *buf_len;
 959
 960     switch (file) {
 961         case AR6K_OTP_FILE:
 962                 buf = &ar->fw_otp;
 963                 buf_len = &ar->fw_otp_len;
 964             if (ar->arVersion.target_ver == AR6003_REV1_VERSION) {
 965                 filename = AR6003_REV1_OTP_FILE;
 966             } else if (ar->arVersion.target_ver == AR6003_REV2_VERSION) {
 967                 filename = AR6003_REV2_OTP_FILE;
 968                 } else if (ar->arVersion.target_ver == AR6003_REV3_VERSION) {
 969                         filename = AR6003_REV3_OTP_FILE;
 970             } else {
 971                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unknown firmware revision: %d\n", ar->arVersion.target_ver));
 972                 return A_ERROR;
 973             }
 974             break;
 975
 976         case AR6K_FIRMWARE_FILE:
 977                 buf = &ar->fw;
 978                 buf_len = &ar->fw_len;
 979             if (ar->arVersion.target_ver == AR6003_REV1_VERSION) {
 980                 filename = AR6003_REV1_FIRMWARE_FILE;
 981             } else if (ar->arVersion.target_ver == AR6003_REV2_VERSION) {
 982                 filename = AR6003_REV2_FIRMWARE_FILE;
 983                 } else if (ar->arVersion.target_ver == AR6003_REV3_VERSION) {
 984                         filename = AR6003_REV3_FIRMWARE_FILE;
 985             } else {
 986                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unknown firmware revision: %d\n", ar->arVersion.target_ver));
 987                 return A_ERROR;
 988             }
 989
 990             if (eppingtest) {
 991                 bypasswmi = true;
 992                 if (ar->arVersion.target_ver == AR6003_REV1_VERSION) {
 993                     filename = AR6003_REV1_EPPING_FIRMWARE_FILE;
 994                 } else if (ar->arVersion.target_ver == AR6003_REV2_VERSION) {
 995                     filename = AR6003_REV2_EPPING_FIRMWARE_FILE;
 996                 } else if (ar->arVersion.target_ver == AR6003_REV3_VERSION) {
 997                         filename = AR6003_REV3_EPPING_FIRMWARE_FILE;
 998                 } else {
 999                     AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("eppingtest : unsupported firmware revision: %d\n",
1000                         ar->arVersion.target_ver));
1001                     return A_ERROR;
1002                 }
1003                 compressed = false;
1004             }
1005
1006 #ifdef CONFIG_HOST_TCMD_SUPPORT
1007             if(testmode) {
1008                 if (ar->arVersion.target_ver == AR6003_REV1_VERSION) {
1009                     filename = AR6003_REV1_TCMD_FIRMWARE_FILE;
1010                 } else if (ar->arVersion.target_ver == AR6003_REV2_VERSION) {
1011                     filename = AR6003_REV2_TCMD_FIRMWARE_FILE;
1012                 } else if (ar->arVersion.target_ver == AR6003_REV3_VERSION) {
1013                         filename = AR6003_REV3_TCMD_FIRMWARE_FILE;
1014                 } else {
1015                     AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unknown firmware revision: %d\n", ar->arVersion.target_ver));
1016                     return A_ERROR;
1017                 }
1018                 compressed = false;
1019             }
1020 #endif
1021 #ifdef HTC_RAW_INTERFACE
1022             if (!eppingtest && bypasswmi) {
1023                 if (ar->arVersion.target_ver == AR6003_REV1_VERSION) {
1024                     filename = AR6003_REV1_ART_FIRMWARE_FILE;
1025                 } else if (ar->arVersion.target_ver == AR6003_REV2_VERSION) {
1026                     filename = AR6003_REV2_ART_FIRMWARE_FILE;
1027                 } else {
1028                     AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unknown firmware revision: %d\n", ar->arVersion.target_ver));
1029                     return A_ERROR;
1030                 }
1031                 compressed = false;
1032             }
1033 #endif
1034             break;
1035
1036         case AR6K_PATCH_FILE:
1037                 buf = &ar->fw_patch;
1038                 buf_len = &ar->fw_patch_len;
1039             if (ar->arVersion.target_ver == AR6003_REV1_VERSION) {
1040                 filename = AR6003_REV1_PATCH_FILE;
1041             } else if (ar->arVersion.target_ver == AR6003_REV2_VERSION) {
1042                 filename = AR6003_REV2_PATCH_FILE;
1043                 } else if (ar->arVersion.target_ver == AR6003_REV3_VERSION) {
1044                         filename = AR6003_REV3_PATCH_FILE;
1045             } else {
1046                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unknown firmware revision: %d\n", ar->arVersion.target_ver));
1047                 return A_ERROR;
1048             }
1049             break;
1050
1051         case AR6K_BOARD_DATA_FILE:
1052                 buf = &ar->fw_data;
1053                 buf_len = &ar->fw_data_len;
1054             if (ar->arVersion.target_ver == AR6003_REV1_VERSION) {
1055                 filename = AR6003_REV1_BOARD_DATA_FILE;
1056             } else if (ar->arVersion.target_ver == AR6003_REV2_VERSION) {
1057                 filename = AR6003_REV2_BOARD_DATA_FILE;
1058                 } else if (ar->arVersion.target_ver == AR6003_REV3_VERSION) {
1059                         filename = AR6003_REV3_BOARD_DATA_FILE;
1060             } else {
1061                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unknown firmware revision: %d\n", ar->arVersion.target_ver));
1062                 return A_ERROR;
1063             }
1064             break;
1065
1066         default:
1067             AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Unknown file type: %d\n", file));
1068             return A_ERROR;
1069     }
1070
1071     if (*buf == NULL) {
1072             if ((A_REQUEST_FIRMWARE(&fw_entry, filename, ((struct device *)ar->osDevInfo.pOSDevice))) != 0) {
1073                     AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Failed to get %s\n", filename));
1074                     return A_ENOENT;
1075             }
1076
1077             *buf = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL);
1078             *buf_len = fw_entry->size;
1079             A_RELEASE_FIRMWARE(fw_entry);
1080     }
1081
1082 #ifdef SOFTMAC_FILE_USED
1083     if (file==AR6K_BOARD_DATA_FILE && *buf_len) {
1084         ar6000_softmac_update(ar, *buf, *buf_len);
1085     }
1086 #endif
1087
1088
1089     fw_entry_size = *buf_len;
1090
1091     /* Load extended board data for AR6003 */
1092     if ((file==AR6K_BOARD_DATA_FILE) && *buf) {
1093         u32 board_ext_address;
1094         u32 board_ext_data_size;
1095         u32 board_data_size;
1096
1097         board_ext_data_size = (((ar)->arTargetType == TARGET_TYPE_AR6002) ? AR6002_BOARD_EXT_DATA_SZ : \
1098                                (((ar)->arTargetType == TARGET_TYPE_AR6003) ? AR6003_BOARD_EXT_DATA_SZ : 0));
1099
1100         board_data_size = (((ar)->arTargetType == TARGET_TYPE_AR6002) ? AR6002_BOARD_DATA_SZ : \
1101                           (((ar)->arTargetType == TARGET_TYPE_AR6003) ? AR6003_BOARD_DATA_SZ : 0));
1102
1103         /* Determine where in Target RAM to write Board Data */
1104         bmifn(BMIReadMemory(ar->arHifDevice, HOST_INTEREST_ITEM_ADDRESS(ar, hi_board_ext_data), (u8 *)&board_ext_address, 4));
1105         AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("Board extended Data download address: 0x%x\n", board_ext_address));
1106
1107         /* check whether the target has allocated memory for extended board data and file contains extended board data */
1108         if ((board_ext_address) && (*buf_len == (board_data_size + board_ext_data_size))) {
1109             u32 param;
1110
1111             status = BMIWriteMemory(ar->arHifDevice, board_ext_address, (u8 *)(*buf + board_data_size), board_ext_data_size);
1112
1113             if (status) {
1114                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("BMI operation failed: %d\n", __LINE__));
1115                 return A_ERROR;
1116             }
1117
1118             /* Record the fact that extended board Data IS initialized */
1119             param = (board_ext_data_size << 16) | 1;
1120             bmifn(BMIWriteMemory(ar->arHifDevice,
1121             HOST_INTEREST_ITEM_ADDRESS(ar, hi_board_ext_data_config),
1122                                        (unsigned char *)&param, 4));
1123         }
1124         fw_entry_size = board_data_size;
1125     }
1126
1127     if (compressed) {
1128         status = BMIFastDownload(ar->arHifDevice, address, *buf, fw_entry_size);
1129     } else {
1130         status = BMIWriteMemory(ar->arHifDevice, address, *buf, fw_entry_size);
1131     }
1132
1133     if (status) {
1134         AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("BMI operation failed: %d\n", __LINE__));
1135         return A_ERROR;
1136     }
1137
1138     return 0;
1139 }
1140
1141 int
1142 ar6000_update_bdaddr(struct ar6_softc *ar)
1143 {
1144
1145         if (setupbtdev != 0) {
1146             u32 address;
1147
1148            if (BMIReadMemory(ar->arHifDevice,
1149                 HOST_INTEREST_ITEM_ADDRESS(ar, hi_board_data), (u8 *)&address, 4) != 0)
1150            {
1151                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("BMIReadMemory for hi_board_data failed\n"));
1152                 return A_ERROR;
1153            }
1154
1155            if (BMIReadMemory(ar->arHifDevice, address + BDATA_BDADDR_OFFSET, (u8 *)ar->bdaddr, 6) != 0)
1156            {
1157                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("BMIReadMemory for BD address failed\n"));
1158                 return A_ERROR;
1159            }
1160            AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("BDADDR 0x%x:0x%x:0x%x:0x%x:0x%x:0x%x\n", ar->bdaddr[0],
1161                                                                 ar->bdaddr[1], ar->bdaddr[2], ar->bdaddr[3],
1162                                                                 ar->bdaddr[4], ar->bdaddr[5]));
1163         }
1164
1165 return 0;
1166 }
1167
1168 int
1169 ar6000_sysfs_bmi_get_config(struct ar6_softc *ar, u32 mode)
1170 {
1171     AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("BMI: Requesting device specific configuration\n"));
1172
1173     if (mode == WLAN_INIT_MODE_UDEV) {
1174         char version[16];
1175         const struct firmware *fw_entry;
1176
1177         /* Get config using udev through a script in user space */
1178         sprintf(version, "%2.2x", ar->arVersion.target_ver);
1179         if ((A_REQUEST_FIRMWARE(&fw_entry, version, ((struct device *)ar->osDevInfo.pOSDevice))) != 0)
1180         {
1181             AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("BMI: Failure to get configuration for target version: %s\n", version));
1182             return A_ERROR;
1183         }
1184
1185         A_RELEASE_FIRMWARE(fw_entry);
1186     } else {
1187         /* The config is contained within the driver itself */
1188         int status;
1189         u32 param, options, sleep, address;
1190
1191         /* Temporarily disable system sleep */
1192         address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS;
1193         bmifn(BMIReadSOCRegister(ar->arHifDevice, address, &param));
1194         options = param;
1195         param |= AR6K_OPTION_SLEEP_DISABLE;
1196         bmifn(BMIWriteSOCRegister(ar->arHifDevice, address, param));
1197
1198         address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS;
1199         bmifn(BMIReadSOCRegister(ar->arHifDevice, address, &param));
1200         sleep = param;
1201         param |= WLAN_SYSTEM_SLEEP_DISABLE_SET(1);
1202         bmifn(BMIWriteSOCRegister(ar->arHifDevice, address, param));
1203         AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("old options: %d, old sleep: %d\n", options, sleep));
1204
1205         if (ar->arTargetType == TARGET_TYPE_AR6003) {
1206             /* Program analog PLL register */
1207             bmifn(BMIWriteSOCRegister(ar->arHifDevice, ANALOG_INTF_BASE_ADDRESS + 0x284, 0xF9104001));
1208             /* Run at 80/88MHz by default */
1209             param = CPU_CLOCK_STANDARD_SET(1);
1210         } else {
1211             /* Run at 40/44MHz by default */
1212             param = CPU_CLOCK_STANDARD_SET(0);
1213         }
1214         address = RTC_BASE_ADDRESS + CPU_CLOCK_ADDRESS;
1215         bmifn(BMIWriteSOCRegister(ar->arHifDevice, address, param));
1216
1217         param = 0;
1218         if (ar->arTargetType == TARGET_TYPE_AR6002) {
1219             bmifn(BMIReadMemory(ar->arHifDevice, HOST_INTEREST_ITEM_ADDRESS(ar, hi_ext_clk_detected), (u8 *)&param, 4));
1220         }
1221
1222         /* LPO_CAL.ENABLE = 1 if no external clk is detected */
1223         if (param != 1) {
1224             address = RTC_BASE_ADDRESS + LPO_CAL_ADDRESS;
1225             param = LPO_CAL_ENABLE_SET(1);
1226             bmifn(BMIWriteSOCRegister(ar->arHifDevice, address, param));
1227         }
1228
1229         /* Venus2.0: Lower SDIO pad drive strength,
1230          * temporary WAR to avoid SDIO CRC error */
1231         if (ar->arVersion.target_ver == AR6003_REV2_VERSION) {
1232             AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("AR6K: Temporary WAR to avoid SDIO CRC error\n"));
1233             param = 0x20;
1234             address = GPIO_BASE_ADDRESS + GPIO_PIN10_ADDRESS;
1235             bmifn(BMIWriteSOCRegister(ar->arHifDevice, address, param));
1236
1237             address = GPIO_BASE_ADDRESS + GPIO_PIN11_ADDRESS;
1238             bmifn(BMIWriteSOCRegister(ar->arHifDevice, address, param));
1239
1240             address = GPIO_BASE_ADDRESS + GPIO_PIN12_ADDRESS;
1241             bmifn(BMIWriteSOCRegister(ar->arHifDevice, address, param));
1242
1243             address = GPIO_BASE_ADDRESS + GPIO_PIN13_ADDRESS;
1244             bmifn(BMIWriteSOCRegister(ar->arHifDevice, address, param));
1245         }
1246
1247 #ifdef FORCE_INTERNAL_CLOCK
1248         /* Ignore external clock, if any, and force use of internal clock */
1249         if (ar->arTargetType == TARGET_TYPE_AR6003) {
1250             /* hi_ext_clk_detected = 0 */
1251             param = 0;
1252             bmifn(BMIWriteMemory(ar->arHifDevice, HOST_INTEREST_ITEM_ADDRESS(ar, hi_ext_clk_detected), (u8 *)&param, 4));
1253
1254             /* CLOCK_CONTROL &= ~LF_CLK32 */
1255             address = RTC_BASE_ADDRESS + CLOCK_CONTROL_ADDRESS;
1256             bmifn(BMIReadSOCRegister(ar->arHifDevice, address, &param));
1257             param &= (~CLOCK_CONTROL_LF_CLK32_SET(1));
1258             bmifn(BMIWriteSOCRegister(ar->arHifDevice, address, param));
1259         }
1260 #endif /* FORCE_INTERNAL_CLOCK */
1261
1262         /* Transfer Board Data from Target EEPROM to Target RAM */
1263         if (ar->arTargetType == TARGET_TYPE_AR6003) {
1264             /* Determine where in Target RAM to write Board Data */
1265             bmifn(BMIReadMemory(ar->arHifDevice, HOST_INTEREST_ITEM_ADDRESS(ar, hi_board_data), (u8 *)&address, 4));
1266             AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("Board Data download address: 0x%x\n", address));
1267
1268             /* Write EEPROM data to Target RAM */
1269             if ((ar6000_transfer_bin_file(ar, AR6K_BOARD_DATA_FILE, address, false)) != 0) {
1270                 return A_ERROR;
1271             }
1272
1273             /* Record the fact that Board Data IS initialized */
1274             param = 1;
1275             bmifn(BMIWriteMemory(ar->arHifDevice, HOST_INTEREST_ITEM_ADDRESS(ar, hi_board_data_initialized), (u8 *)&param, 4));
1276
1277             /* Transfer One time Programmable data */
1278             AR6K_APP_LOAD_ADDRESS(address, ar->arVersion.target_ver);
1279             if (ar->arVersion.target_ver == AR6003_REV3_VERSION)
1280                   address = 0x1234;
1281             status = ar6000_transfer_bin_file(ar, AR6K_OTP_FILE, address, true);
1282             if (status == 0) {
1283                 /* Execute the OTP code */
1284                 param = 0;
1285                 AR6K_APP_START_OVERRIDE_ADDRESS(address, ar->arVersion.target_ver);
1286                 bmifn(BMIExecute(ar->arHifDevice, address, &param));
1287             } else if (status != A_ENOENT) {
1288                 return A_ERROR;
1289             }
1290         } else {
1291             AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("Programming of board data for chip %d not supported\n", ar->arTargetType));
1292             return A_ERROR;
1293         }
1294
1295         /* Download Target firmware */
1296         AR6K_APP_LOAD_ADDRESS(address, ar->arVersion.target_ver);
1297         if (ar->arVersion.target_ver == AR6003_REV3_VERSION)
1298                 address = 0x1234;
1299         if ((ar6000_transfer_bin_file(ar, AR6K_FIRMWARE_FILE, address, true)) != 0) {
1300             return A_ERROR;
1301         }
1302
1303         /* Set starting address for firmware */
1304         AR6K_APP_START_OVERRIDE_ADDRESS(address, ar->arVersion.target_ver);
1305         bmifn(BMISetAppStart(ar->arHifDevice, address));
1306
1307         if(ar->arTargetType == TARGET_TYPE_AR6003) {
1308                 AR6K_DATASET_PATCH_ADDRESS(address, ar->arVersion.target_ver);
1309                 if ((ar6000_transfer_bin_file(ar, AR6K_PATCH_FILE,
1310                                               address, false)) != 0)
1311                         return A_ERROR;
1312                 param = address;
1313                 bmifn(BMIWriteMemory(ar->arHifDevice,
1314                 HOST_INTEREST_ITEM_ADDRESS(ar, hi_dset_list_head),
1315                                            (unsigned char *)&param, 4));
1316         }
1317
1318         /* Restore system sleep */
1319         address = RTC_BASE_ADDRESS + SYSTEM_SLEEP_ADDRESS;
1320         bmifn(BMIWriteSOCRegister(ar->arHifDevice, address, sleep));
1321
1322         address = MBOX_BASE_ADDRESS + LOCAL_SCRATCH_ADDRESS;
1323         param = options | 0x20;
1324         bmifn(BMIWriteSOCRegister(ar->arHifDevice, address, param));
1325
1326         if (ar->arTargetType == TARGET_TYPE_AR6003) {
1327             /* Configure GPIO AR6003 UART */
1328 #ifndef CONFIG_AR600x_DEBUG_UART_TX_PIN
1329 #define CONFIG_AR600x_DEBUG_UART_TX_PIN 8
1330 #endif
1331             param = CONFIG_AR600x_DEBUG_UART_TX_PIN;
1332             bmifn(BMIWriteMemory(ar->arHifDevice, HOST_INTEREST_ITEM_ADDRESS(ar, hi_dbg_uart_txpin), (u8 *)&param, 4));
1333
1334 #if (CONFIG_AR600x_DEBUG_UART_TX_PIN == 23)
1335             {
1336                 address = GPIO_BASE_ADDRESS + CLOCK_GPIO_ADDRESS;
1337                 bmifn(BMIReadSOCRegister(ar->arHifDevice, address, &param));
1338                 param |= CLOCK_GPIO_BT_CLK_OUT_EN_SET(1);
1339                 bmifn(BMIWriteSOCRegister(ar->arHifDevice, address, param));
1340             }
1341 #endif
1342
1343             /* Configure GPIO for BT Reset */
1344 #ifdef ATH6KL_CONFIG_GPIO_BT_RESET
1345 #define CONFIG_AR600x_BT_RESET_PIN      0x16
1346             param = CONFIG_AR600x_BT_RESET_PIN;
1347             bmifn(BMIWriteMemory(ar->arHifDevice, HOST_INTEREST_ITEM_ADDRESS(ar, hi_hci_uart_support_pins), (u8 *)&param, 4));
1348 #endif /* ATH6KL_CONFIG_GPIO_BT_RESET */
1349
1350             /* Configure UART flow control polarity */
1351 #ifndef CONFIG_ATH6KL_BT_UART_FC_POLARITY
1352 #define CONFIG_ATH6KL_BT_UART_FC_POLARITY 0
1353 #endif
1354
1355 #if (CONFIG_ATH6KL_BT_UART_FC_POLARITY == 1)
1356             if (ar->arVersion.target_ver == AR6003_REV2_VERSION) {
1357                 param = ((CONFIG_ATH6KL_BT_UART_FC_POLARITY << 1) & 0x2);
1358                 bmifn(BMIWriteMemory(ar->arHifDevice, HOST_INTEREST_ITEM_ADDRESS(ar, hi_hci_uart_pwr_mgmt_params), (u8 *)&param, 4));
1359             }
1360 #endif /* CONFIG_ATH6KL_BT_UART_FC_POLARITY */
1361         }
1362
1363 #ifdef HTC_RAW_INTERFACE
1364         if (!eppingtest && bypasswmi) {
1365             /* Don't run BMIDone for ART mode and force resetok=0 */
1366             resetok = 0;
1367             msleep(1000);
1368         }
1369 #endif /* HTC_RAW_INTERFACE */
1370     }
1371
1372     return 0;
1373 }
1374
1375 int
1376 ar6000_configure_target(struct ar6_softc *ar)
1377 {
1378     u32 param;
1379     if (enableuartprint) {
1380         param = 1;
1381         if (BMIWriteMemory(ar->arHifDevice,
1382                            HOST_INTEREST_ITEM_ADDRESS(ar, hi_serial_enable),
1383                            (u8 *)&param,
1384                            4)!= 0)
1385         {
1386              AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("BMIWriteMemory for enableuartprint failed \n"));
1387              return A_ERROR;
1388         }
1389         AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("Serial console prints enabled\n"));
1390     }
1391
1392     /* Tell target which HTC version it is used*/
1393     param = HTC_PROTOCOL_VERSION;
1394     if (BMIWriteMemory(ar->arHifDevice,
1395                        HOST_INTEREST_ITEM_ADDRESS(ar, hi_app_host_interest),
1396                        (u8 *)&param,
1397                        4)!= 0)
1398     {
1399          AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("BMIWriteMemory for htc version failed \n"));
1400          return A_ERROR;
1401     }
1402
1403 #ifdef CONFIG_HOST_TCMD_SUPPORT
1404     if(testmode) {
1405         ar->arTargetMode = AR6000_TCMD_MODE;
1406     }else {
1407         ar->arTargetMode = AR6000_WLAN_MODE;
1408     }
1409 #endif
1410     if (enabletimerwar) {
1411         u32 param;
1412
1413         if (BMIReadMemory(ar->arHifDevice,
1414             HOST_INTEREST_ITEM_ADDRESS(ar, hi_option_flag),
1415             (u8 *)&param,
1416             4)!= 0)
1417         {
1418             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("BMIReadMemory for enabletimerwar failed \n"));
1419             return A_ERROR;
1420         }
1421
1422         param |= HI_OPTION_TIMER_WAR;
1423
1424         if (BMIWriteMemory(ar->arHifDevice,
1425             HOST_INTEREST_ITEM_ADDRESS(ar, hi_option_flag),
1426             (u8 *)&param,
1427             4) != 0)
1428         {
1429             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("BMIWriteMemory for enabletimerwar failed \n"));
1430             return A_ERROR;
1431         }
1432         AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("Timer WAR enabled\n"));
1433     }
1434
1435     /* set the firmware mode to STA/IBSS/AP */
1436     {
1437         u32 param;
1438
1439         if (BMIReadMemory(ar->arHifDevice,
1440             HOST_INTEREST_ITEM_ADDRESS(ar, hi_option_flag),
1441             (u8 *)&param,
1442             4)!= 0)
1443         {
1444             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("BMIReadMemory for setting fwmode failed \n"));
1445             return A_ERROR;
1446         }
1447
1448         param |= (num_device << HI_OPTION_NUM_DEV_SHIFT);
1449         param |= (fwmode << HI_OPTION_FW_MODE_SHIFT);
1450         param |= (mac_addr_method << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
1451         param |= (firmware_bridge << HI_OPTION_FW_BRIDGE_SHIFT);
1452
1453
1454         if (BMIWriteMemory(ar->arHifDevice,
1455             HOST_INTEREST_ITEM_ADDRESS(ar, hi_option_flag),
1456             (u8 *)&param,
1457             4) != 0)
1458         {
1459             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("BMIWriteMemory for setting fwmode failed \n"));
1460             return A_ERROR;
1461         }
1462         AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("Firmware mode set\n"));
1463     }
1464
1465 #ifdef ATH6KL_DISABLE_TARGET_DBGLOGS
1466     {
1467         u32 param;
1468
1469         if (BMIReadMemory(ar->arHifDevice,
1470             HOST_INTEREST_ITEM_ADDRESS(ar, hi_option_flag),
1471             (u8 *)&param,
1472             4)!= 0)
1473         {
1474             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("BMIReadMemory for disabling debug logs failed\n"));
1475             return A_ERROR;
1476         }
1477
1478         param |= HI_OPTION_DISABLE_DBGLOG;
1479
1480         if (BMIWriteMemory(ar->arHifDevice,
1481             HOST_INTEREST_ITEM_ADDRESS(ar, hi_option_flag),
1482             (u8 *)&param,
1483             4) != 0)
1484         {
1485             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("BMIWriteMemory for HI_OPTION_DISABLE_DBGLOG\n"));
1486             return A_ERROR;
1487         }
1488         AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("Firmware mode set\n"));
1489     }
1490 #endif /* ATH6KL_DISABLE_TARGET_DBGLOGS */
1491
1492     /*
1493      * Hardcode the address use for the extended board data
1494      * Ideally this should be pre-allocate by the OS at boot time
1495      * But since it is a new feature and board data is loaded
1496      * at init time, we have to workaround this from host.
1497      * It is difficult to patch the firmware boot code,
1498      * but possible in theory.
1499      */
1500
1501         if (ar->arTargetType == TARGET_TYPE_AR6003) {
1502                 u32 ramReservedSz;
1503                 if (ar->arVersion.target_ver == AR6003_REV2_VERSION) {
1504                         param = AR6003_REV2_BOARD_EXT_DATA_ADDRESS;
1505                         ramReservedSz =  AR6003_REV2_RAM_RESERVE_SIZE;
1506                 } else {
1507                         param = AR6003_REV3_BOARD_EXT_DATA_ADDRESS;
1508                         ramReservedSz =  AR6003_REV3_RAM_RESERVE_SIZE;
1509                 }
1510                 if (BMIWriteMemory(ar->arHifDevice,
1511                         HOST_INTEREST_ITEM_ADDRESS(ar, hi_board_ext_data),
1512                                                    (u8 *)&param, 4) != 0) {
1513                                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
1514                                                 ("BMIWriteMemory for "
1515                                                  "hi_board_ext_data failed\n"));
1516                                 return A_ERROR;
1517                 }
1518                 if (BMIWriteMemory(ar->arHifDevice,
1519                                    HOST_INTEREST_ITEM_ADDRESS(ar,
1520                                    hi_end_RAM_reserve_sz),
1521                                    (u8 *)&ramReservedSz, 4) != 0) {
1522                         AR_DEBUG_PRINTF(ATH_DEBUG_ERR ,
1523                                         ("BMIWriteMemory for "
1524                                          "hi_end_RAM_reserve_sz failed\n"));
1525                         return A_ERROR;
1526                 }
1527         }
1528
1529         /* since BMIInit is called in the driver layer, we have to set the block
1530          * size here for the target */
1531
1532     if (ar6000_set_htc_params(ar->arHifDevice, ar->arTargetType,
1533                               mbox_yield_limit, 0)) {
1534                                 /* use default number of control buffers */
1535         return A_ERROR;
1536     }
1537
1538     if (setupbtdev != 0) {
1539         if (ar6000_set_hci_bridge_flags(ar->arHifDevice,
1540                                         ar->arTargetType,
1541                                         setupbtdev)) {
1542             return A_ERROR;
1543         }
1544     }
1545     return 0;
1546 }
1547
1548 static void
1549 init_netdev(struct net_device *dev, char *name)
1550 {
1551     dev->netdev_ops = &ar6000_netdev_ops;
1552     dev->watchdog_timeo = AR6000_TX_TIMEOUT;
1553
1554    /*
1555     * We need the OS to provide us with more headroom in order to
1556     * perform dix to 802.3, WMI header encap, and the HTC header
1557     */
1558     if (processDot11Hdr) {
1559         dev->hard_header_len = sizeof(struct ieee80211_qosframe) + sizeof(ATH_LLC_SNAP_HDR) + sizeof(WMI_DATA_HDR) + HTC_HEADER_LEN + WMI_MAX_TX_META_SZ + LINUX_HACK_FUDGE_FACTOR;
1560     } else {
1561         dev->hard_header_len = ETH_HLEN + sizeof(ATH_LLC_SNAP_HDR) +
1562             sizeof(WMI_DATA_HDR) + HTC_HEADER_LEN + WMI_MAX_TX_META_SZ + LINUX_HACK_FUDGE_FACTOR;
1563     }
1564
1565     if (name[0])
1566     {
1567         strcpy(dev->name, name);
1568     }
1569
1570 #ifdef CONFIG_CHECKSUM_OFFLOAD
1571     if(csumOffload){
1572         dev->features |= NETIF_F_IP_CSUM; /*advertise kernel capability to do TCP/UDP CSUM offload for IPV4*/
1573     }
1574 #endif
1575
1576     return;
1577 }
1578
1579 static int __ath6kl_init_netdev(struct net_device *dev)
1580 {
1581         int r;
1582
1583         rtnl_lock();
1584         r = ar6000_init(dev);
1585         rtnl_unlock();
1586
1587         if (r) {
1588                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("ar6000_avail: ar6000_init\n"));
1589                 return r;
1590         }
1591
1592         return 0;
1593 }
1594
1595 #ifdef HTC_RAW_INTERFACE
1596 static int ath6kl_init_netdev_wmi(struct net_device *dev)
1597 {
1598         if (!eppingtest && bypasswmi)
1599                 return 0;
1600
1601         return __ath6kl_init_netdev(dev);
1602 }
1603 #else
1604 static int ath6kl_init_netdev_wmi(struct net_device *dev)
1605 {
1606         return __ath6kl_init_netdev(dev);
1607 }
1608 #endif
1609
1610 static int ath6kl_init_netdev(struct ar6_softc *ar)
1611 {
1612         int r;
1613
1614         r = ar6000_sysfs_bmi_get_config(ar, wlaninitmode);
1615         if (r) {
1616                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
1617                                 ("ar6000_avail: "
1618                                  "ar6000_sysfs_bmi_get_config failed\n"));
1619                 return r;
1620         }
1621
1622         return ath6kl_init_netdev_wmi(ar->arNetDev);
1623 }
1624
1625 /*
1626  * HTC Event handlers
1627  */
1628 static int
1629 ar6000_avail_ev(void *context, void *hif_handle)
1630 {
1631     int i;
1632     struct net_device *dev;
1633     void *ar_netif;
1634     struct ar6_softc *ar;
1635     int device_index = 0;
1636     struct htc_init_info  htcInfo;
1637     struct wireless_dev *wdev;
1638     int r = 0;
1639     struct hif_device_os_device_info osDevInfo;
1640
1641     memset(&osDevInfo, 0, sizeof(osDevInfo));
1642     if (HIFConfigureDevice(hif_handle, HIF_DEVICE_GET_OS_DEVICE,
1643         &osDevInfo, sizeof(osDevInfo))) {
1644         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("%s: Failed to get OS device instance\n", __func__));
1645         return A_ERROR;
1646     }
1647
1648     AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("ar6000_available\n"));
1649
1650     for (i=0; i < MAX_AR6000; i++) {
1651         if (ar6000_devices[i] == NULL) {
1652             break;
1653         }
1654     }
1655
1656     if (i == MAX_AR6000) {
1657         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("ar6000_available: max devices reached\n"));
1658         return A_ERROR;
1659     }
1660
1661     /* Save this. It gives a bit better readability especially since */
1662     /* we use another local "i" variable below.                      */
1663     device_index = i;
1664
1665     wdev = ar6k_cfg80211_init(osDevInfo.pOSDevice);
1666     if (IS_ERR(wdev)) {
1667         AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: ar6k_cfg80211_init failed\n", __func__));
1668         return A_ERROR;
1669     }
1670     ar_netif = wdev_priv(wdev);
1671
1672     if (ar_netif == NULL) {
1673         AR_DEBUG_PRINTF(ATH_DEBUG_ERR, ("%s: Can't allocate ar6k priv memory\n", __func__));
1674         return A_ERROR;
1675     }
1676
1677     A_MEMZERO(ar_netif, sizeof(struct ar6_softc));
1678     ar = (struct ar6_softc *)ar_netif;
1679
1680     ar->wdev = wdev;
1681     wdev->iftype = NL80211_IFTYPE_STATION;
1682
1683     dev = alloc_netdev_mq(0, "wlan%d", ether_setup, 1);
1684     if (!dev) {
1685         printk(KERN_CRIT "AR6K: no memory for network device instance\n");
1686         ar6k_cfg80211_deinit(ar);
1687         return A_ERROR;
1688     }
1689
1690     dev->ieee80211_ptr = wdev;
1691     SET_NETDEV_DEV(dev, wiphy_dev(wdev->wiphy));
1692     wdev->netdev = dev;
1693     ar->arNetworkType = INFRA_NETWORK;
1694     ar->smeState = SME_DISCONNECTED;
1695     ar->arAutoAuthStage = AUTH_IDLE;
1696
1697     init_netdev(dev, ifname);
1698
1699
1700     ar->arNetDev             = dev;
1701     ar->arHifDevice          = hif_handle;
1702     ar->arWlanState          = WLAN_ENABLED;
1703     ar->arDeviceIndex        = device_index;
1704
1705     ar->arWlanPowerState     = WLAN_POWER_STATE_ON;
1706     ar->arWlanOff            = false;   /* We are in ON state */
1707 #ifdef CONFIG_PM
1708     ar->arWowState           = WLAN_WOW_STATE_NONE;
1709     ar->arBTOff              = true;   /* BT chip assumed to be OFF */
1710     ar->arBTSharing          = WLAN_CONFIG_BT_SHARING;
1711     ar->arWlanOffConfig      = WLAN_CONFIG_WLAN_OFF;
1712     ar->arSuspendConfig      = WLAN_CONFIG_PM_SUSPEND;
1713     ar->arWow2Config         = WLAN_CONFIG_PM_WOW2;
1714 #endif /* CONFIG_PM */
1715
1716     A_INIT_TIMER(&ar->arHBChallengeResp.timer, ar6000_detect_error, dev);
1717     ar->arHBChallengeResp.seqNum = 0;
1718     ar->arHBChallengeResp.outstanding = false;
1719     ar->arHBChallengeResp.missCnt = 0;
1720     ar->arHBChallengeResp.frequency = AR6000_HB_CHALLENGE_RESP_FREQ_DEFAULT;
1721     ar->arHBChallengeResp.missThres = AR6000_HB_CHALLENGE_RESP_MISS_THRES_DEFAULT;
1722
1723     ar6000_init_control_info(ar);
1724     init_waitqueue_head(&arEvent);
1725     sema_init(&ar->arSem, 1);
1726     ar->bIsDestroyProgress = false;
1727
1728     INIT_HTC_PACKET_QUEUE(&ar->amsdu_rx_buffer_queue);
1729
1730 #ifdef ADAPTIVE_POWER_THROUGHPUT_CONTROL
1731     A_INIT_TIMER(&aptcTimer, aptcTimerHandler, ar);
1732 #endif /* ADAPTIVE_POWER_THROUGHPUT_CONTROL */
1733
1734     A_INIT_TIMER(&ar->disconnect_timer, disconnect_timer_handler, dev);
1735
1736     BMIInit();
1737
1738     ar6000_sysfs_bmi_init(ar);
1739
1740     {
1741         struct bmi_target_info targ_info;
1742
1743         r = BMIGetTargetInfo(ar->arHifDevice, &targ_info);
1744         if (r)
1745             goto avail_ev_failed;
1746
1747         ar->arVersion.target_ver = targ_info.target_ver;
1748         ar->arTargetType = targ_info.target_type;
1749         wdev->wiphy->hw_version = targ_info.target_ver;
1750     }
1751
1752     r = ar6000_configure_target(ar);
1753     if (r)
1754             goto avail_ev_failed;
1755
1756     A_MEMZERO(&htcInfo,sizeof(htcInfo));
1757     htcInfo.pContext = ar;
1758     htcInfo.TargetFailure = ar6000_target_failure;
1759
1760     ar->arHtcTarget = HTCCreate(ar->arHifDevice,&htcInfo);
1761
1762     if (!ar->arHtcTarget) {
1763         r = -ENOMEM;
1764         goto avail_ev_failed;
1765     }
1766
1767     spin_lock_init(&ar->arLock);
1768
1769 #ifdef WAPI_ENABLE
1770     ar->arWapiEnable = 0;
1771 #endif
1772
1773
1774     if(csumOffload){
1775         /*if external frame work is also needed, change and use an extended rxMetaVerion*/
1776         ar->rxMetaVersion=WMI_META_VERSION_2;
1777     }
1778
1779     ar->aggr_cntxt = aggr_init(ar6000_alloc_netbufs);
1780     if (!ar->aggr_cntxt) {
1781             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("%s() Failed to initialize aggr.\n", __func__));
1782             r = -ENOMEM;
1783             goto avail_ev_failed;
1784     }
1785
1786     aggr_register_rx_dispatcher(ar->aggr_cntxt, (void *)dev, ar6000_deliver_frames_to_nw_stack);
1787
1788     HIFClaimDevice(ar->arHifDevice, ar);
1789
1790     /* We only register the device in the global list if we succeed. */
1791     /* If the device is in the global list, it will be destroyed     */
1792     /* when the module is unloaded.                                  */
1793     ar6000_devices[device_index] = dev;
1794
1795     AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("BMI enabled: %d\n", wlaninitmode));
1796     if ((wlaninitmode == WLAN_INIT_MODE_UDEV) ||
1797         (wlaninitmode == WLAN_INIT_MODE_DRV)) {
1798         r = ath6kl_init_netdev(ar);
1799         if (r)
1800             goto avail_ev_failed;
1801     }
1802
1803     /* This runs the init function if registered */
1804     r = register_netdev(dev);
1805     if (r) {
1806         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("ar6000_avail: register_netdev failed\n"));
1807         ar6000_destroy(dev, 0);
1808         return r;
1809     }
1810
1811         is_netdev_registered = 1;
1812
1813 #ifdef CONFIG_AP_VIRTUAL_ADAPTER_SUPPORT
1814     arApNetDev = NULL;
1815 #endif /* CONFIG_AP_VIRTUAL_ADAPTER_SUPPORT */
1816     AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("ar6000_avail: name=%s hifdevice=0x%lx, dev=0x%lx (%d), ar=0x%lx\n",
1817                     dev->name, (unsigned long)ar->arHifDevice, (unsigned long)dev, device_index,
1818                     (unsigned long)ar));
1819
1820 avail_ev_failed :
1821     if (r)
1822         ar6000_sysfs_bmi_deinit(ar);
1823
1824     return r;
1825 }
1826
1827 static void ar6000_target_failure(void *Instance, int Status)
1828 {
1829     struct ar6_softc *ar = (struct ar6_softc *)Instance;
1830     WMI_TARGET_ERROR_REPORT_EVENT errEvent;
1831     static bool sip = false;
1832
1833     if (Status != 0) {
1834
1835         printk(KERN_ERR "ar6000_target_failure: target asserted \n");
1836
1837         if (timer_pending(&ar->arHBChallengeResp.timer)) {
1838             A_UNTIMEOUT(&ar->arHBChallengeResp.timer);
1839         }
1840
1841         /* try dumping target assertion information (if any) */
1842         ar6000_dump_target_assert_info(ar->arHifDevice,ar->arTargetType);
1843
1844         /*
1845          * Fetch the logs from the target via the diagnostic
1846          * window.
1847          */
1848         ar6000_dbglog_get_debug_logs(ar);
1849
1850         /* Report the error only once */
1851         if (!sip) {
1852             sip = true;
1853             errEvent.errorVal = WMI_TARGET_COM_ERR |
1854                                 WMI_TARGET_FATAL_ERR;
1855         }
1856     }
1857 }
1858
1859 static int
1860 ar6000_unavail_ev(void *context, void *hif_handle)
1861 {
1862     struct ar6_softc *ar = (struct ar6_softc *)context;
1863         /* NULL out it's entry in the global list */
1864     ar6000_devices[ar->arDeviceIndex] = NULL;
1865     ar6000_destroy(ar->arNetDev, 1);
1866
1867     return 0;
1868 }
1869
1870 void
1871 ar6000_restart_endpoint(struct net_device *dev)
1872 {
1873     int status = 0;
1874     struct ar6_softc *ar = (struct ar6_softc *)ar6k_priv(dev);
1875
1876     BMIInit();
1877     do {
1878         if ( (status=ar6000_configure_target(ar))!= 0)
1879             break;
1880         if ( (status=ar6000_sysfs_bmi_get_config(ar, wlaninitmode)) != 0)
1881         {
1882             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("ar6000_avail: ar6000_sysfs_bmi_get_config failed\n"));
1883             break;
1884         }
1885         rtnl_lock();
1886         status = (ar6000_init(dev)==0) ? 0 : A_ERROR;
1887         rtnl_unlock();
1888
1889         if (status) {
1890             break;
1891         }
1892         if (ar->arSsidLen && ar->arWlanState == WLAN_ENABLED) {
1893             ar6000_connect_to_ap(ar);
1894         }
1895     } while (0);
1896
1897     if (status== 0) {
1898         return;
1899     }
1900
1901     ar6000_devices[ar->arDeviceIndex] = NULL;
1902     ar6000_destroy(ar->arNetDev, 1);
1903 }
1904
1905 void
1906 ar6000_stop_endpoint(struct net_device *dev, bool keepprofile, bool getdbglogs)
1907 {
1908     struct ar6_softc *ar = (struct ar6_softc *)ar6k_priv(dev);
1909
1910     /* Stop the transmit queues */
1911     netif_stop_queue(dev);
1912
1913     /* Disable the target and the interrupts associated with it */
1914     if (ar->arWmiReady == true)
1915     {
1916         if (!bypasswmi)
1917         {
1918             bool disconnectIssued;
1919
1920             disconnectIssued = (ar->arConnected) || (ar->arConnectPending);
1921             ar6000_disconnect(ar);
1922             if (!keepprofile) {
1923                 ar6000_init_profile_info(ar);
1924             }
1925
1926             A_UNTIMEOUT(&ar->disconnect_timer);
1927
1928             if (getdbglogs) {
1929                 ar6000_dbglog_get_debug_logs(ar);
1930             }
1931
1932             ar->arWmiReady  = false;
1933             wmi_shutdown(ar->arWmi);
1934             ar->arWmiEnabled = false;
1935             ar->arWmi = NULL;
1936             /*
1937              * After wmi_shudown all WMI events will be dropped.
1938              * We need to cleanup the buffers allocated in AP mode
1939              * and give disconnect notification to stack, which usually
1940              * happens in the disconnect_event.
1941              * Simulate the disconnect_event by calling the function directly.
1942              * Sometimes disconnect_event will be received when the debug logs
1943              * are collected.
1944              */
1945             if (disconnectIssued) {
1946                 if(ar->arNetworkType & AP_NETWORK) {
1947                     ar6000_disconnect_event(ar, DISCONNECT_CMD, bcast_mac, 0, NULL, 0);
1948                 } else {
1949                     ar6000_disconnect_event(ar, DISCONNECT_CMD, ar->arBssid, 0, NULL, 0);
1950                 }
1951             }
1952             ar->user_savedkeys_stat = USER_SAVEDKEYS_STAT_INIT;
1953             ar->user_key_ctrl      = 0;
1954         }
1955
1956          AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("%s(): WMI stopped\n", __func__));
1957     }
1958     else
1959     {
1960         AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("%s(): WMI not ready 0x%lx 0x%lx\n",
1961             __func__, (unsigned long) ar, (unsigned long) ar->arWmi));
1962
1963         /* Shut down WMI if we have started it */
1964         if(ar->arWmiEnabled == true)
1965         {
1966             AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("%s(): Shut down WMI\n", __func__));
1967             wmi_shutdown(ar->arWmi);
1968             ar->arWmiEnabled = false;
1969             ar->arWmi = NULL;
1970         }
1971     }
1972
1973     if (ar->arHtcTarget != NULL) {
1974 #ifdef EXPORT_HCI_BRIDGE_INTERFACE
1975         if (NULL != ar6kHciTransCallbacks.cleanupTransport) {
1976             ar6kHciTransCallbacks.cleanupTransport(NULL);
1977         }
1978 #else
1979         // FIXME: workaround to reset BT's UART baud rate to default
1980         if (NULL != ar->exitCallback) {
1981             struct ar3k_config_info ar3kconfig;
1982             int status;
1983
1984             A_MEMZERO(&ar3kconfig,sizeof(ar3kconfig));
1985             ar6000_set_default_ar3kconfig(ar, (void *)&ar3kconfig);
1986             status = ar->exitCallback(&ar3kconfig);
1987             if (0 != status) {
1988                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Failed to reset AR3K baud rate! \n"));
1989             }
1990         }
1991         // END workaround
1992         if (setuphci)
1993                 ar6000_cleanup_hci(ar);
1994 #endif
1995         AR_DEBUG_PRINTF(ATH_DEBUG_INFO,(" Shutting down HTC .... \n"));
1996         /* stop HTC */
1997         HTCStop(ar->arHtcTarget);
1998     }
1999
2000     if (resetok) {
2001         /* try to reset the device if we can
2002          * The driver may have been configure NOT to reset the target during
2003          * a debug session */
2004         AR_DEBUG_PRINTF(ATH_DEBUG_INFO,(" Attempting to reset target on instance destroy.... \n"));
2005         if (ar->arHifDevice != NULL) {
2006             bool coldReset = (ar->arTargetType == TARGET_TYPE_AR6003) ? true: false;
2007             ar6000_reset_device(ar->arHifDevice, ar->arTargetType, true, coldReset);
2008         }
2009     } else {
2010         AR_DEBUG_PRINTF(ATH_DEBUG_INFO,(" Host does not want target reset. \n"));
2011     }
2012        /* Done with cookies */
2013     ar6000_cookie_cleanup(ar);
2014
2015     /* cleanup any allocated AMSDU buffers */
2016     ar6000_cleanup_amsdu_rxbufs(ar);
2017 }
2018 /*
2019  * We need to differentiate between the surprise and planned removal of the
2020  * device because of the following consideration:
2021  * - In case of surprise removal, the hcd already frees up the pending
2022  *   for the device and hence there is no need to unregister the function
2023  *   driver inorder to get these requests. For planned removal, the function
2024  *   driver has to explicitly unregister itself to have the hcd return all the
2025  *   pending requests before the data structures for the devices are freed up.
2026  *   Note that as per the current implementation, the function driver will
2027  *   end up releasing all the devices since there is no API to selectively
2028  *   release a particular device.
2029  * - Certain commands issued to the target can be skipped for surprise
2030  *   removal since they will anyway not go through.
2031  */
2032 void
2033 ar6000_destroy(struct net_device *dev, unsigned int unregister)
2034 {
2035     struct ar6_softc *ar;
2036
2037     AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("+ar6000_destroy \n"));
2038
2039     if((dev == NULL) || ((ar = ar6k_priv(dev)) == NULL))
2040     {
2041         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("%s(): Failed to get device structure.\n", __func__));
2042         return;
2043     }
2044
2045     ar->bIsDestroyProgress = true;
2046
2047     if (down_interruptible(&ar->arSem)) {
2048         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("%s(): down_interruptible failed \n", __func__));
2049         return;
2050     }
2051
2052     if (ar->arWlanPowerState != WLAN_POWER_STATE_CUT_PWR) {
2053         /* only stop endpoint if we are not stop it in suspend_ev */
2054         ar6000_stop_endpoint(dev, false, true);
2055     }
2056
2057     ar->arWlanState = WLAN_DISABLED;
2058     if (ar->arHtcTarget != NULL) {
2059         /* destroy HTC */
2060         HTCDestroy(ar->arHtcTarget);
2061     }
2062     if (ar->arHifDevice != NULL) {
2063         /*release the device so we do not get called back on remove incase we
2064          * we're explicity destroyed by module unload */
2065         HIFReleaseDevice(ar->arHifDevice);
2066         HIFShutDownDevice(ar->arHifDevice);
2067     }
2068     aggr_module_destroy(ar->aggr_cntxt);
2069
2070        /* Done with cookies */
2071     ar6000_cookie_cleanup(ar);
2072
2073         /* cleanup any allocated AMSDU buffers */
2074     ar6000_cleanup_amsdu_rxbufs(ar);
2075
2076     ar6000_sysfs_bmi_deinit(ar);
2077
2078     /* Cleanup BMI */
2079     BMICleanup();
2080
2081     /* Clear the tx counters */
2082     memset(tx_attempt, 0, sizeof(tx_attempt));
2083     memset(tx_post, 0, sizeof(tx_post));
2084     memset(tx_complete, 0, sizeof(tx_complete));
2085
2086 #ifdef HTC_RAW_INTERFACE
2087     if (ar->arRawHtc) {
2088         kfree(ar->arRawHtc);
2089         ar->arRawHtc = NULL;
2090     }
2091 #endif
2092     /* Free up the device data structure */
2093     if (unregister && is_netdev_registered) {
2094         unregister_netdev(dev);
2095         is_netdev_registered = 0;
2096     }
2097     free_netdev(dev);
2098
2099     ar6k_cfg80211_deinit(ar);
2100
2101 #ifdef CONFIG_AP_VIRTUL_ADAPTER_SUPPORT
2102     ar6000_remove_ap_interface();
2103 #endif /*CONFIG_AP_VIRTUAL_ADAPTER_SUPPORT */
2104
2105     kfree(ar->fw_otp);
2106     kfree(ar->fw);
2107     kfree(ar->fw_patch);
2108     kfree(ar->fw_data);
2109
2110     AR_DEBUG_PRINTF(ATH_DEBUG_INFO,("-ar6000_destroy \n"));
2111 }
2112
2113 static void disconnect_timer_handler(unsigned long ptr)
2114 {
2115     struct net_device *dev = (struct net_device *)ptr;
2116     struct ar6_softc *ar = (struct ar6_softc *)ar6k_priv(dev);
2117
2118     A_UNTIMEOUT(&ar->disconnect_timer);
2119
2120     ar6000_init_profile_info(ar);
2121     ar6000_disconnect(ar);
2122 }
2123
2124 static void ar6000_detect_error(unsigned long ptr)
2125 {
2126     struct net_device *dev = (struct net_device *)ptr;
2127     struct ar6_softc *ar = (struct ar6_softc *)ar6k_priv(dev);
2128     WMI_TARGET_ERROR_REPORT_EVENT errEvent;
2129
2130     AR6000_SPIN_LOCK(&ar->arLock, 0);
2131
2132     if (ar->arHBChallengeResp.outstanding) {
2133         ar->arHBChallengeResp.missCnt++;
2134     } else {
2135         ar->arHBChallengeResp.missCnt = 0;
2136     }
2137
2138     if (ar->arHBChallengeResp.missCnt > ar->arHBChallengeResp.missThres) {
2139         /* Send Error Detect event to the application layer and do not reschedule the error detection module timer */
2140         ar->arHBChallengeResp.missCnt = 0;
2141         ar->arHBChallengeResp.seqNum = 0;
2142         errEvent.errorVal = WMI_TARGET_COM_ERR | WMI_TARGET_FATAL_ERR;
2143         AR6000_SPIN_UNLOCK(&ar->arLock, 0);
2144         return;
2145     }
2146
2147     /* Generate the sequence number for the next challenge */
2148     ar->arHBChallengeResp.seqNum++;
2149     ar->arHBChallengeResp.outstanding = true;
2150
2151     AR6000_SPIN_UNLOCK(&ar->arLock, 0);
2152
2153     /* Send the challenge on the control channel */
2154     if (wmi_get_challenge_resp_cmd(ar->arWmi, ar->arHBChallengeResp.seqNum, DRV_HB_CHALLENGE) != 0) {
2155         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Unable to send heart beat challenge\n"));
2156     }
2157
2158
2159     /* Reschedule the timer for the next challenge */
2160     A_TIMEOUT_MS(&ar->arHBChallengeResp.timer, ar->arHBChallengeResp.frequency * 1000, 0);
2161 }
2162
2163 void ar6000_init_profile_info(struct ar6_softc *ar)
2164 {
2165     ar->arSsidLen            = 0;
2166     A_MEMZERO(ar->arSsid, sizeof(ar->arSsid));
2167
2168     switch(fwmode) {
2169         case HI_OPTION_FW_MODE_IBSS:
2170             ar->arNetworkType = ar->arNextMode = ADHOC_NETWORK;
2171             break;
2172         case HI_OPTION_FW_MODE_BSS_STA:
2173             ar->arNetworkType = ar->arNextMode = INFRA_NETWORK;
2174             break;
2175         case HI_OPTION_FW_MODE_AP:
2176             ar->arNetworkType = ar->arNextMode = AP_NETWORK;
2177             break;
2178     }
2179
2180     ar->arDot11AuthMode      = OPEN_AUTH;
2181     ar->arAuthMode           = NONE_AUTH;
2182     ar->arPairwiseCrypto     = NONE_CRYPT;
2183     ar->arPairwiseCryptoLen  = 0;
2184     ar->arGroupCrypto        = NONE_CRYPT;
2185     ar->arGroupCryptoLen     = 0;
2186     A_MEMZERO(ar->arWepKeyList, sizeof(ar->arWepKeyList));
2187     A_MEMZERO(ar->arReqBssid, sizeof(ar->arReqBssid));
2188     A_MEMZERO(ar->arBssid, sizeof(ar->arBssid));
2189     ar->arBssChannel = 0;
2190 }
2191
2192 static void
2193 ar6000_init_control_info(struct ar6_softc *ar)
2194 {
2195     ar->arWmiEnabled         = false;
2196     ar6000_init_profile_info(ar);
2197     ar->arDefTxKeyIndex      = 0;
2198     A_MEMZERO(ar->arWepKeyList, sizeof(ar->arWepKeyList));
2199     ar->arChannelHint        = 0;
2200     ar->arListenIntervalT    = A_DEFAULT_LISTEN_INTERVAL;
2201     ar->arListenIntervalB    = 0;
2202     ar->arVersion.host_ver   = AR6K_SW_VERSION;
2203     ar->arRssi               = 0;
2204     ar->arTxPwr              = 0;
2205     ar->arTxPwrSet           = false;
2206     ar->arSkipScan           = 0;
2207     ar->arBeaconInterval     = 0;
2208     ar->arBitRate            = 0;
2209     ar->arMaxRetries         = 0;
2210     ar->arWmmEnabled         = true;
2211     ar->intra_bss            = 1;
2212     ar->scan_triggered       = 0;
2213     A_MEMZERO(&ar->scParams, sizeof(ar->scParams));
2214     ar->scParams.shortScanRatio = WMI_SHORTSCANRATIO_DEFAULT;
2215     ar->scParams.scanCtrlFlags = DEFAULT_SCAN_CTRL_FLAGS;
2216
2217     /* Initialize the AP mode state info */
2218     {
2219         u8 ctr;
2220         A_MEMZERO((u8 *)ar->sta_list, AP_MAX_NUM_STA * sizeof(sta_t));
2221
2222         /* init the Mutexes */
2223         A_MUTEX_INIT(&ar->mcastpsqLock);
2224
2225         /* Init the PS queues */
2226         for (ctr=0; ctr < AP_MAX_NUM_STA ; ctr++) {
2227             A_MUTEX_INIT(&ar->sta_list[ctr].psqLock);
2228             A_NETBUF_QUEUE_INIT(&ar->sta_list[ctr].psq);
2229         }
2230
2231         ar->ap_profile_flag = 0;
2232         A_NETBUF_QUEUE_INIT(&ar->mcastpsq);
2233
2234         memcpy(ar->ap_country_code, DEF_AP_COUNTRY_CODE, 3);
2235         ar->ap_wmode = DEF_AP_WMODE_G;
2236         ar->ap_dtim_period = DEF_AP_DTIM;
2237         ar->ap_beacon_interval = DEF_BEACON_INTERVAL;
2238     }
2239 }
2240
2241 static int
2242 ar6000_open(struct net_device *dev)
2243 {
2244     unsigned long  flags;
2245     struct ar6_softc    *ar = (struct ar6_softc *)ar6k_priv(dev);
2246
2247     spin_lock_irqsave(&ar->arLock, flags);
2248
2249     if(ar->arWlanState == WLAN_DISABLED) {
2250         ar->arWlanState = WLAN_ENABLED;
2251     }
2252
2253     if( ar->arConnected || bypasswmi) {
2254         netif_carrier_on(dev);
2255         /* Wake up the queues */
2256         netif_wake_queue(dev);
2257     }
2258     else
2259         netif_carrier_off(dev);
2260
2261     spin_unlock_irqrestore(&ar->arLock, flags);
2262     return 0;
2263 }
2264
2265 static int
2266 ar6000_close(struct net_device *dev)
2267 {
2268     struct ar6_softc    *ar = (struct ar6_softc *)ar6k_priv(dev);
2269     netif_stop_queue(dev);
2270
2271     ar6000_disconnect(ar);
2272
2273     if(ar->arWmiReady == true) {
2274         if (wmi_scanparams_cmd(ar->arWmi, 0xFFFF, 0,
2275                                0, 0, 0, 0, 0, 0, 0, 0) != 0) {
2276             return -EIO;
2277         }
2278         ar->arWlanState = WLAN_DISABLED;
2279     }
2280         ar6k_cfg80211_scanComplete_event(ar, A_ECANCELED);
2281
2282     return 0;
2283 }
2284
2285 /* connect to a service */
2286 static int ar6000_connectservice(struct ar6_softc               *ar,
2287                                       struct htc_service_connect_req  *pConnect,
2288                                       char *pDesc)
2289 {
2290     int                 status;
2291     struct htc_service_connect_resp response;
2292
2293     do {
2294
2295         A_MEMZERO(&response,sizeof(response));
2296
2297         status = HTCConnectService(ar->arHtcTarget,
2298                                    pConnect,
2299                                    &response);
2300
2301         if (status) {
2302             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,(" Failed to connect to %s service status:%d \n",
2303                               pDesc, status));
2304             break;
2305         }
2306         switch (pConnect->ServiceID) {
2307             case WMI_CONTROL_SVC :
2308                 if (ar->arWmiEnabled) {
2309                         /* set control endpoint for WMI use */
2310                     wmi_set_control_ep(ar->arWmi, response.Endpoint);
2311                 }
2312                     /* save EP for fast lookup */
2313                 ar->arControlEp = response.Endpoint;
2314                 break;
2315             case WMI_DATA_BE_SVC :
2316                 arSetAc2EndpointIDMap(ar, WMM_AC_BE, response.Endpoint);
2317                 break;
2318             case WMI_DATA_BK_SVC :
2319                 arSetAc2EndpointIDMap(ar, WMM_AC_BK, response.Endpoint);
2320                 break;
2321             case WMI_DATA_VI_SVC :
2322                 arSetAc2EndpointIDMap(ar, WMM_AC_VI, response.Endpoint);
2323                  break;
2324            case WMI_DATA_VO_SVC :
2325                 arSetAc2EndpointIDMap(ar, WMM_AC_VO, response.Endpoint);
2326                 break;
2327            default:
2328                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("ServiceID not mapped %d\n", pConnect->ServiceID));
2329                 status = A_EINVAL;
2330             break;
2331         }
2332
2333     } while (false);
2334
2335     return status;
2336 }
2337
2338 void ar6000_TxDataCleanup(struct ar6_softc *ar)
2339 {
2340         /* flush all the data (non-control) streams
2341          * we only flush packets that are tagged as data, we leave any control packets that
2342          * were in the TX queues alone */
2343     HTCFlushEndpoint(ar->arHtcTarget,
2344                      arAc2EndpointID(ar, WMM_AC_BE),
2345                      AR6K_DATA_PKT_TAG);
2346     HTCFlushEndpoint(ar->arHtcTarget,
2347                      arAc2EndpointID(ar, WMM_AC_BK),
2348                      AR6K_DATA_PKT_TAG);
2349     HTCFlushEndpoint(ar->arHtcTarget,
2350                      arAc2EndpointID(ar, WMM_AC_VI),
2351                      AR6K_DATA_PKT_TAG);
2352     HTCFlushEndpoint(ar->arHtcTarget,
2353                      arAc2EndpointID(ar, WMM_AC_VO),
2354                      AR6K_DATA_PKT_TAG);
2355 }
2356
2357 HTC_ENDPOINT_ID
2358 ar6000_ac2_endpoint_id ( void * devt, u8 ac)
2359 {
2360     struct ar6_softc *ar = (struct ar6_softc *) devt;
2361     return(arAc2EndpointID(ar, ac));
2362 }
2363
2364 u8 ar6000_endpoint_id2_ac(void * devt, HTC_ENDPOINT_ID ep )
2365 {
2366     struct ar6_softc *ar = (struct ar6_softc *) devt;
2367     return(arEndpoint2Ac(ar, ep ));
2368 }
2369
2370 #if defined(CONFIG_ATH6KL_ENABLE_COEXISTENCE)
2371 static int ath6kl_config_btcoex_params(struct ar6_softc *ar)
2372 {
2373         int r;
2374         WMI_SET_BTCOEX_COLOCATED_BT_DEV_CMD sbcb_cmd;
2375         WMI_SET_BTCOEX_FE_ANT_CMD sbfa_cmd;
2376
2377         /* Configure the type of BT collocated with WLAN */
2378         memset(&sbcb_cmd, 0, sizeof(WMI_SET_BTCOEX_COLOCATED_BT_DEV_CMD));
2379         sbcb_cmd.btcoexCoLocatedBTdev = ATH6KL_BT_DEV;
2380
2381         r = wmi_set_btcoex_colocated_bt_dev_cmd(ar->arWmi, &sbcb_cmd);
2382
2383         if (r) {
2384                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
2385                                 ("Unable to set collocated BT type\n"));
2386                 return r;
2387         }
2388
2389         /* Configure the type of BT collocated with WLAN */
2390         memset(&sbfa_cmd, 0, sizeof(WMI_SET_BTCOEX_FE_ANT_CMD));
2391
2392         sbfa_cmd.btcoexFeAntType = ATH6KL_BT_ANTENNA;
2393
2394         r = wmi_set_btcoex_fe_ant_cmd(ar->arWmi, &sbfa_cmd);
2395         if (r) {
2396                 AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
2397                                 ("Unable to set fornt end antenna configuration\n"));
2398                 return r;
2399         }
2400
2401         return 0;
2402 }
2403 #else
2404 static int ath6kl_config_btcoex_params(struct ar6_softc *ar)
2405 {
2406         return 0;
2407 }
2408 #endif /* CONFIG_ATH6KL_ENABLE_COEXISTENCE */
2409
2410 /*
2411  * This function applies WLAN specific configuration defined in wlan_config.h
2412  */
2413 int ar6000_target_config_wlan_params(struct ar6_softc *ar)
2414 {
2415     int status = 0;
2416
2417 #ifdef CONFIG_HOST_TCMD_SUPPORT
2418     if (ar->arTargetMode != AR6000_WLAN_MODE) {
2419         return 0;
2420     }
2421 #endif /* CONFIG_HOST_TCMD_SUPPORT */
2422
2423     /*
2424      * configure the device for rx dot11 header rules 0,0 are the default values
2425      * therefore this command can be skipped if the inputs are 0,FALSE,FALSE.Required
2426      * if checksum offload is needed. Set RxMetaVersion to 2
2427      */
2428     if ((wmi_set_rx_frame_format_cmd(ar->arWmi,ar->rxMetaVersion, processDot11Hdr, processDot11Hdr)) != 0) {
2429         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Unable to set the rx frame format.\n"));
2430         status = A_ERROR;
2431     }
2432
2433     status = ath6kl_config_btcoex_params(ar);
2434     if (status)
2435         return status;
2436
2437 #if WLAN_CONFIG_IGNORE_POWER_SAVE_FAIL_EVENT_DURING_SCAN
2438     if ((wmi_pmparams_cmd(ar->arWmi, 0, 1, 0, 0, 1, IGNORE_POWER_SAVE_FAIL_EVENT_DURING_SCAN)) != 0) {
2439         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Unable to set power save fail event policy\n"));
2440         status = A_ERROR;
2441     }
2442 #endif
2443
2444 #if WLAN_CONFIG_DONOT_IGNORE_BARKER_IN_ERP
2445     if ((wmi_set_lpreamble_cmd(ar->arWmi, 0, WMI_DONOT_IGNORE_BARKER_IN_ERP)) != 0) {
2446         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Unable to set barker preamble policy\n"));
2447         status = A_ERROR;
2448     }
2449 #endif
2450
2451     if ((wmi_set_keepalive_cmd(ar->arWmi, WLAN_CONFIG_KEEP_ALIVE_INTERVAL)) != 0) {
2452         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Unable to set keep alive interval\n"));
2453         status = A_ERROR;
2454     }
2455
2456 #if WLAN_CONFIG_DISABLE_11N
2457     {
2458         WMI_SET_HT_CAP_CMD htCap;
2459
2460         memset(&htCap, 0, sizeof(WMI_SET_HT_CAP_CMD));
2461         htCap.band = 0;
2462         if ((wmi_set_ht_cap_cmd(ar->arWmi, &htCap)) != 0) {
2463             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Unable to set ht capabilities \n"));
2464             status = A_ERROR;
2465         }
2466
2467         htCap.band = 1;
2468         if ((wmi_set_ht_cap_cmd(ar->arWmi, &htCap)) != 0) {
2469             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Unable to set ht capabilities \n"));
2470             status = A_ERROR;
2471         }
2472     }
2473 #endif /* WLAN_CONFIG_DISABLE_11N */
2474
2475 #ifdef ATH6K_CONFIG_OTA_MODE
2476     if ((wmi_powermode_cmd(ar->arWmi, MAX_PERF_POWER)) != 0) {
2477         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Unable to set power mode \n"));
2478         status = A_ERROR;
2479     }
2480 #endif
2481
2482     if ((wmi_disctimeout_cmd(ar->arWmi, WLAN_CONFIG_DISCONNECT_TIMEOUT)) != 0) {
2483         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Unable to set disconnect timeout \n"));
2484         status = A_ERROR;
2485     }
2486
2487 #if WLAN_CONFIG_DISABLE_TX_BURSTING
2488     if ((wmi_set_wmm_txop(ar->arWmi, WMI_TXOP_DISABLED)) != 0) {
2489         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Unable to set txop bursting \n"));
2490         status = A_ERROR;
2491     }
2492 #endif
2493
2494     return status;
2495 }
2496
2497 /* This function does one time initialization for the lifetime of the device */
2498 int ar6000_init(struct net_device *dev)
2499 {
2500     struct ar6_softc *ar;
2501     int    status;
2502     s32 timeleft;
2503     s16 i;
2504     int         ret = 0;
2505
2506     if((ar = ar6k_priv(dev)) == NULL)
2507     {
2508         return -EIO;
2509     }
2510
2511     if (wlaninitmode == WLAN_INIT_MODE_USR || wlaninitmode == WLAN_INIT_MODE_DRV) {
2512
2513         ar6000_update_bdaddr(ar);
2514
2515         if (enablerssicompensation) {
2516             ar6000_copy_cust_data_from_target(ar->arHifDevice, ar->arTargetType);
2517             read_rssi_compensation_param(ar);
2518             for (i=-95; i<=0; i++) {
2519                 rssi_compensation_table[0-i] = rssi_compensation_calc(ar,i);
2520             }
2521         }
2522     }
2523
2524     dev_hold(dev);
2525     rtnl_unlock();
2526
2527     /* Do we need to finish the BMI phase */
2528     if ((wlaninitmode == WLAN_INIT_MODE_USR || wlaninitmode == WLAN_INIT_MODE_DRV) &&
2529         (BMIDone(ar->arHifDevice) != 0))
2530     {
2531         ret = -EIO;
2532         goto ar6000_init_done;
2533     }
2534
2535     if (!bypasswmi)
2536     {
2537 #if 0 /* TBDXXX */
2538         if (ar->arVersion.host_ver != ar->arVersion.target_ver) {
2539             A_PRINTF("WARNING: Host version 0x%x does not match Target "
2540                     " version 0x%x!\n",
2541                     ar->arVersion.host_ver, ar->arVersion.target_ver);
2542         }
2543 #endif
2544
2545         /* Indicate that WMI is enabled (although not ready yet) */
2546         ar->arWmiEnabled = true;
2547         if ((ar->arWmi = wmi_init((void *) ar)) == NULL)
2548         {
2549             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("%s() Failed to initialize WMI.\n", __func__));
2550             ret = -EIO;
2551             goto ar6000_init_done;
2552         }
2553
2554         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("%s() Got WMI @ 0x%lx.\n", __func__,
2555             (unsigned long) ar->arWmi));
2556     }
2557
2558     do {
2559         struct htc_service_connect_req connect;
2560
2561             /* the reason we have to wait for the target here is that the driver layer
2562              * has to init BMI in order to set the host block size,
2563              */
2564         status = HTCWaitTarget(ar->arHtcTarget);
2565
2566         if (status) {
2567             break;
2568         }
2569
2570         A_MEMZERO(&connect,sizeof(connect));
2571             /* meta data is unused for now */
2572         connect.pMetaData = NULL;
2573         connect.MetaDataLength = 0;
2574             /* these fields are the same for all service endpoints */
2575         connect.EpCallbacks.pContext = ar;
2576         connect.EpCallbacks.EpTxCompleteMultiple = ar6000_tx_complete;
2577         connect.EpCallbacks.EpRecv = ar6000_rx;
2578         connect.EpCallbacks.EpRecvRefill = ar6000_rx_refill;
2579         connect.EpCallbacks.EpSendFull = ar6000_tx_queue_full;
2580             /* set the max queue depth so that our ar6000_tx_queue_full handler gets called.
2581              * Linux has the peculiarity of not providing flow control between the
2582              * NIC and the network stack. There is no API to indicate that a TX packet
2583              * was sent which could provide some back pressure to the network stack.
2584              * Under linux you would have to wait till the network stack consumed all sk_buffs
2585              * before any back-flow kicked in. Which isn't very friendly.
2586              * So we have to manage this ourselves */
2587         connect.MaxSendQueueDepth = MAX_DEFAULT_SEND_QUEUE_DEPTH;
2588         connect.EpCallbacks.RecvRefillWaterMark = AR6000_MAX_RX_BUFFERS / 4; /* set to 25 % */
2589         if (0 == connect.EpCallbacks.RecvRefillWaterMark) {
2590             connect.EpCallbacks.RecvRefillWaterMark++;
2591         }
2592             /* connect to control service */
2593         connect.ServiceID = WMI_CONTROL_SVC;
2594         status = ar6000_connectservice(ar,
2595                                        &connect,
2596                                        "WMI CONTROL");
2597         if (status) {
2598             break;
2599         }
2600
2601         connect.LocalConnectionFlags |= HTC_LOCAL_CONN_FLAGS_ENABLE_SEND_BUNDLE_PADDING;
2602             /* limit the HTC message size on the send path, although we can receive A-MSDU frames of
2603              * 4K, we will only send ethernet-sized (802.3) frames on the send path. */
2604         connect.MaxSendMsgSize = WMI_MAX_TX_DATA_FRAME_LENGTH;
2605
2606             /* to reduce the amount of committed memory for larger A_MSDU frames, use the recv-alloc threshold
2607              * mechanism for larger packets */
2608         connect.EpCallbacks.RecvAllocThreshold = AR6000_BUFFER_SIZE;
2609         connect.EpCallbacks.EpRecvAllocThresh = ar6000_alloc_amsdu_rxbuf;
2610
2611             /* for the remaining data services set the connection flag to reduce dribbling,
2612              * if configured to do so */
2613         if (reduce_credit_dribble) {
2614             connect.ConnectionFlags |= HTC_CONNECT_FLAGS_REDUCE_CREDIT_DRIBBLE;
2615             /* the credit dribble trigger threshold is (reduce_credit_dribble - 1) for a value
2616              * of 0-3 */
2617             connect.ConnectionFlags &= ~HTC_CONNECT_FLAGS_THRESHOLD_LEVEL_MASK;
2618             connect.ConnectionFlags |=
2619                         ((u16)reduce_credit_dribble - 1) & HTC_CONNECT_FLAGS_THRESHOLD_LEVEL_MASK;
2620         }
2621             /* connect to best-effort service */
2622         connect.ServiceID = WMI_DATA_BE_SVC;
2623
2624         status = ar6000_connectservice(ar,
2625                                        &connect,
2626                                        "WMI DATA BE");
2627         if (status) {
2628             break;
2629         }
2630
2631             /* connect to back-ground
2632              * map this to WMI LOW_PRI */
2633         connect.ServiceID = WMI_DATA_BK_SVC;
2634         status = ar6000_connectservice(ar,
2635                                        &connect,
2636                                        "WMI DATA BK");
2637         if (status) {
2638             break;
2639         }
2640
2641             /* connect to Video service, map this to
2642              * to HI PRI */
2643         connect.ServiceID = WMI_DATA_VI_SVC;
2644         status = ar6000_connectservice(ar,
2645                                        &connect,
2646                                        "WMI DATA VI");
2647         if (status) {
2648             break;
2649         }
2650
2651             /* connect to VO service, this is currently not
2652              * mapped to a WMI priority stream due to historical reasons.
2653              * WMI originally defined 3 priorities over 3 mailboxes
2654              * We can change this when WMI is reworked so that priorities are not
2655              * dependent on mailboxes */
2656         connect.ServiceID = WMI_DATA_VO_SVC;
2657         status = ar6000_connectservice(ar,
2658                                        &connect,
2659                                        "WMI DATA VO");
2660         if (status) {
2661             break;
2662         }
2663
2664         A_ASSERT(arAc2EndpointID(ar,WMM_AC_BE) != 0);
2665         A_ASSERT(arAc2EndpointID(ar,WMM_AC_BK) != 0);
2666         A_ASSERT(arAc2EndpointID(ar,WMM_AC_VI) != 0);
2667         A_ASSERT(arAc2EndpointID(ar,WMM_AC_VO) != 0);
2668
2669             /* setup access class priority mappings */
2670         ar->arAcStreamPriMap[WMM_AC_BK] = 0; /* lowest  */
2671         ar->arAcStreamPriMap[WMM_AC_BE] = 1; /*         */
2672         ar->arAcStreamPriMap[WMM_AC_VI] = 2; /*         */
2673         ar->arAcStreamPriMap[WMM_AC_VO] = 3; /* highest */
2674
2675 #ifdef EXPORT_HCI_BRIDGE_INTERFACE
2676         if (setuphci && (NULL != ar6kHciTransCallbacks.setupTransport)) {
2677             struct hci_transport_misc_handles hciHandles;
2678
2679             hciHandles.netDevice = ar->arNetDev;
2680             hciHandles.hifDevice = ar->arHifDevice;
2681             hciHandles.htcHandle = ar->arHtcTarget;
2682             status = (int)(ar6kHciTransCallbacks.setupTransport(&hciHandles));
2683         }
2684 #else
2685         if (setuphci) {
2686                 /* setup HCI */
2687             status = ar6000_setup_hci(ar);
2688         }
2689 #endif
2690
2691     } while (false);
2692
2693     if (status) {
2694         ret = -EIO;
2695         goto ar6000_init_done;
2696     }
2697
2698         if (regscanmode) {
2699                 u32 param;
2700
2701                 if (BMIReadMemory(ar->arHifDevice,
2702                                   HOST_INTEREST_ITEM_ADDRESS(ar,
2703                                                              hi_option_flag),
2704                                                              (u8 *)&param,
2705                                                              4) != 0) {
2706                         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
2707                                         ("BMIReadMemory forsetting "
2708                                          "regscanmode failed\n"));
2709                         return A_ERROR;
2710                 }
2711
2712                 if (regscanmode == 1)
2713                         param |= HI_OPTION_SKIP_REG_SCAN;
2714                 else if (regscanmode == 2)
2715                         param |= HI_OPTION_INIT_REG_SCAN;
2716
2717                 if (BMIWriteMemory(ar->arHifDevice,
2718                                    HOST_INTEREST_ITEM_ADDRESS(ar,
2719                                                               hi_option_flag),
2720                                                               (u8 *)&param,
2721                                                               4) != 0) {
2722                         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,
2723                                         ("BMIWriteMemory forsetting "
2724                                         "regscanmode failed\n"));
2725                         return A_ERROR;
2726                 }
2727                 AR_DEBUG_PRINTF(ATH_DEBUG_INFO, ("Regulatory scan mode set\n"));
2728         }
2729
2730     /*
2731      * give our connected endpoints some buffers
2732      */
2733
2734     ar6000_rx_refill(ar, ar->arControlEp);
2735     ar6000_rx_refill(ar, arAc2EndpointID(ar,WMM_AC_BE));
2736
2737     /*
2738      * We will post the receive buffers only for SPE or endpoint ping testing so we are
2739      * making it conditional on the 'bypasswmi' flag.
2740      */
2741     if (bypasswmi) {
2742         ar6000_rx_refill(ar,arAc2EndpointID(ar,WMM_AC_BK));
2743         ar6000_rx_refill(ar,arAc2EndpointID(ar,WMM_AC_VI));
2744         ar6000_rx_refill(ar,arAc2EndpointID(ar,WMM_AC_VO));
2745     }
2746
2747     /* allocate some buffers that handle larger AMSDU frames */
2748     ar6000_refill_amsdu_rxbufs(ar,AR6000_MAX_AMSDU_RX_BUFFERS);
2749
2750         /* setup credit distribution */
2751     ar6000_setup_credit_dist(ar->arHtcTarget, &ar->arCreditStateInfo);
2752
2753     /* Since cookies are used for HTC transports, they should be */
2754     /* initialized prior to enabling HTC.                        */
2755     ar6000_cookie_init(ar);
2756
2757     /* start HTC */
2758     status = HTCStart(ar->arHtcTarget);
2759
2760     if (status) {
2761         if (ar->arWmiEnabled == true) {
2762             wmi_shutdown(ar->arWmi);
2763             ar->arWmiEnabled = false;
2764             ar->arWmi = NULL;
2765         }
2766         ar6000_cookie_cleanup(ar);
2767         ret = -EIO;
2768         goto ar6000_init_done;
2769     }
2770
2771     if (!bypasswmi) {
2772         /* Wait for Wmi event to be ready */
2773         timeleft = wait_event_interruptible_timeout(arEvent,
2774             (ar->arWmiReady == true), wmitimeout * HZ);
2775
2776         if (ar->arVersion.abi_ver != AR6K_ABI_VERSION) {
2777             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("ABI Version mismatch: Host(0x%x), Target(0x%x)\n", AR6K_ABI_VERSION, ar->arVersion.abi_ver));
2778 #ifndef ATH6K_SKIP_ABI_VERSION_CHECK
2779             ret = -EIO;
2780             goto ar6000_init_done;
2781 #endif /* ATH6K_SKIP_ABI_VERSION_CHECK */
2782         }
2783
2784         if(!timeleft || signal_pending(current))
2785         {
2786             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("WMI is not ready or wait was interrupted\n"));
2787             ret = -EIO;
2788             goto ar6000_init_done;
2789         }
2790
2791         AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("%s() WMI is ready\n", __func__));
2792
2793         /* Communicate the wmi protocol verision to the target */
2794         if ((ar6000_set_host_app_area(ar)) != 0) {
2795             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("Unable to set the host app area\n"));
2796         }
2797         ar6000_target_config_wlan_params(ar);
2798     }
2799
2800     ar->arNumDataEndPts = 1;
2801
2802     if (bypasswmi) {
2803             /* for tests like endpoint ping, the MAC address needs to be non-zero otherwise
2804              * the data path through a raw socket is disabled */
2805         dev->dev_addr[0] = 0x00;
2806         dev->dev_addr[1] = 0x01;
2807         dev->dev_addr[2] = 0x02;
2808         dev->dev_addr[3] = 0xAA;
2809         dev->dev_addr[4] = 0xBB;
2810         dev->dev_addr[5] = 0xCC;
2811     }
2812
2813 ar6000_init_done:
2814     rtnl_lock();
2815     dev_put(dev);
2816
2817     return ret;
2818 }
2819
2820
2821 void
2822 ar6000_bitrate_rx(void *devt, s32 rateKbps)
2823 {
2824     struct ar6_softc *ar = (struct ar6_softc *)devt;
2825
2826     ar->arBitRate = rateKbps;
2827     wake_up(&arEvent);
2828 }
2829
2830 void
2831 ar6000_ratemask_rx(void *devt, u32 ratemask)
2832 {
2833     struct ar6_softc *ar = (struct ar6_softc *)devt;
2834
2835     ar->arRateMask = ratemask;
2836     wake_up(&arEvent);
2837 }
2838
2839 void
2840 ar6000_txPwr_rx(void *devt, u8 txPwr)
2841 {
2842     struct ar6_softc *ar = (struct ar6_softc *)devt;
2843
2844     ar->arTxPwr = txPwr;
2845     wake_up(&arEvent);
2846 }
2847
2848
2849 void
2850 ar6000_channelList_rx(void *devt, s8 numChan, u16 *chanList)
2851 {
2852     struct ar6_softc *ar = (struct ar6_softc *)devt;
2853
2854     memcpy(ar->arChannelList, chanList, numChan * sizeof (u16));
2855     ar->arNumChannels = numChan;
2856
2857     wake_up(&arEvent);
2858 }
2859
2860 u8 ar6000_ibss_map_epid(struct sk_buff *skb, struct net_device *dev, u32 *mapNo)
2861 {
2862     struct ar6_softc      *ar = (struct ar6_softc *)ar6k_priv(dev);
2863     u8 *datap;
2864     ATH_MAC_HDR     *macHdr;
2865     u32 i, eptMap;
2866
2867     (*mapNo) = 0;
2868     datap = A_NETBUF_DATA(skb);
2869     macHdr = (ATH_MAC_HDR *)(datap + sizeof(WMI_DATA_HDR));
2870     if (IEEE80211_IS_MULTICAST(macHdr->dstMac)) {
2871         return ENDPOINT_2;
2872     }
2873
2874     eptMap = -1;
2875     for (i = 0; i < ar->arNodeNum; i ++) {
2876         if (IEEE80211_ADDR_EQ(macHdr->dstMac, ar->arNodeMap[i].macAddress)) {
2877             (*mapNo) = i + 1;
2878             ar->arNodeMap[i].txPending ++;
2879             return ar->arNodeMap[i].epId;
2880         }
2881
2882         if ((eptMap == -1) && !ar->arNodeMap[i].txPending) {
2883             eptMap = i;
2884         }
2885     }
2886
2887     if (eptMap == -1) {
2888         eptMap = ar->arNodeNum;
2889         ar->arNodeNum ++;
2890         A_ASSERT(ar->arNodeNum <= MAX_NODE_NUM);
2891     }
2892
2893     memcpy(ar->arNodeMap[eptMap].macAddress, macHdr->dstMac, IEEE80211_ADDR_LEN);
2894
2895     for (i = ENDPOINT_2; i <= ENDPOINT_5; i ++) {
2896         if (!ar->arTxPending[i]) {
2897             ar->arNodeMap[eptMap].epId = i;
2898             break;
2899         }
2900         // No free endpoint is available, start redistribution on the inuse endpoints.
2901         if (i == ENDPOINT_5) {
2902             ar->arNodeMap[eptMap].epId = ar->arNexEpId;
2903             ar->arNexEpId ++;
2904             if (ar->arNexEpId > ENDPOINT_5) {
2905                 ar->arNexEpId = ENDPOINT_2;
2906             }
2907         }
2908     }
2909
2910     (*mapNo) = eptMap + 1;
2911     ar->arNodeMap[eptMap].txPending ++;
2912
2913     return ar->arNodeMap[eptMap].epId;
2914 }
2915
2916 #ifdef DEBUG
2917 static void ar6000_dump_skb(struct sk_buff *skb)
2918 {
2919    u_char *ch;
2920    for (ch = A_NETBUF_DATA(skb);
2921         (unsigned long)ch < ((unsigned long)A_NETBUF_DATA(skb) +
2922         A_NETBUF_LEN(skb)); ch++)
2923     {
2924          AR_DEBUG_PRINTF(ATH_DEBUG_WARN,("%2.2x ", *ch));
2925     }
2926     AR_DEBUG_PRINTF(ATH_DEBUG_WARN,("\n"));
2927 }
2928 #endif
2929
2930 #ifdef HTC_TEST_SEND_PKTS
2931 static void DoHTCSendPktsTest(struct ar6_softc *ar, int MapNo, HTC_ENDPOINT_ID eid, struct sk_buff *skb);
2932 #endif
2933
2934 static int
2935 ar6000_data_tx(struct sk_buff *skb, struct net_device *dev)
2936 {
2937 #define AC_NOT_MAPPED   99
2938     struct ar6_softc        *ar = (struct ar6_softc *)ar6k_priv(dev);
2939     u8 ac = AC_NOT_MAPPED;
2940     HTC_ENDPOINT_ID    eid = ENDPOINT_UNUSED;
2941     u32 mapNo = 0;
2942     int               len;
2943     struct ar_cookie *cookie;
2944     bool            checkAdHocPsMapping = false,bMoreData = false;
2945     HTC_TX_TAG        htc_tag = AR6K_DATA_PKT_TAG;
2946     u8 dot11Hdr = processDot11Hdr;
2947 #ifdef CONFIG_PM
2948     if (ar->arWowState != WLAN_WOW_STATE_NONE) {
2949         A_NETBUF_FREE(skb);
2950         return 0;
2951     }
2952 #endif /* CONFIG_PM */
2953
2954     AR_DEBUG_PRINTF(ATH_DEBUG_WLAN_TX,("ar6000_data_tx start - skb=0x%lx, data=0x%lx, len=0x%x\n",
2955                      (unsigned long)skb, (unsigned long)A_NETBUF_DATA(skb),
2956                      A_NETBUF_LEN(skb)));
2957
2958     /* If target is not associated */
2959     if( (!ar->arConnected && !bypasswmi)
2960 #ifdef CONFIG_HOST_TCMD_SUPPORT
2961      /* TCMD doesn't support any data, free the buf and return */
2962     || (ar->arTargetMode == AR6000_TCMD_MODE)
2963 #endif
2964                                             ) {
2965         A_NETBUF_FREE(skb);
2966         return 0;
2967     }
2968
2969     do {
2970
2971         if (ar->arWmiReady == false && bypasswmi == 0) {
2972             break;
2973         }
2974
2975 #ifdef BLOCK_TX_PATH_FLAG
2976         if (blocktx) {
2977             break;
2978         }
2979 #endif /* BLOCK_TX_PATH_FLAG */
2980
2981         /* AP mode Power save processing */
2982         /* If the dst STA is in sleep state, queue the pkt in its PS queue */
2983
2984         if (ar->arNetworkType == AP_NETWORK) {
2985             ATH_MAC_HDR *datap = (ATH_MAC_HDR *)A_NETBUF_DATA(skb);
2986             sta_t *conn = NULL;
2987
2988             /* If the dstMac is a Multicast address & atleast one of the
2989              * associated STA is in PS mode, then queue the pkt to the
2990              * mcastq
2991              */
2992             if (IEEE80211_IS_MULTICAST(datap->dstMac)) {
2993                 u8 ctr=0;
2994                 bool qMcast=false;
2995
2996
2997                 for (ctr=0; ctr<AP_MAX_NUM_STA; ctr++) {
2998                     if (STA_IS_PWR_SLEEP((&ar->sta_list[ctr]))) {
2999                         qMcast = true;
3000                     }
3001                 }
3002                 if(qMcast) {
3003
3004                     /* If this transmit is not because of a Dtim Expiry q it */
3005                     if (ar->DTIMExpired == false) {
3006                         bool isMcastqEmpty = false;
3007
3008                         A_MUTEX_LOCK(&ar->mcastpsqLock);
3009                         isMcastqEmpty = A_NETBUF_QUEUE_EMPTY(&ar->mcastpsq);
3010                         A_NETBUF_ENQUEUE(&ar->mcastpsq, skb);
3011                         A_MUTEX_UNLOCK(&ar->mcastpsqLock);
3012
3013                         /* If this is the first Mcast pkt getting queued
3014                          * indicate to the target to set the BitmapControl LSB
3015                          * of the TIM IE.
3016                          */
3017                         if (isMcastqEmpty) {
3018                              wmi_set_pvb_cmd(ar->arWmi, MCAST_AID, 1);
3019                         }
3020                         return 0;
3021                     } else {
3022                      /* This transmit is because of Dtim expiry. Determine if
3023                       * MoreData bit has to be set.
3024                       */
3025                          A_MUTEX_LOCK(&ar->mcastpsqLock);
3026                          if(!A_NETBUF_QUEUE_EMPTY(&ar->mcastpsq)) {
3027                              bMoreData = true;
3028                          }
3029                          A_MUTEX_UNLOCK(&ar->mcastpsqLock);
3030                     }
3031                 }
3032             } else {
3033                 conn = ieee80211_find_conn(ar, datap->dstMac);
3034                 if (conn) {
3035                     if (STA_IS_PWR_SLEEP(conn)) {
3036                         /* If this transmit is not because of a PsPoll q it*/
3037                         if (!STA_IS_PS_POLLED(conn)) {
3038                             bool isPsqEmpty = false;
3039                             /* Queue the frames if the STA is sleeping */
3040                             A_MUTEX_LOCK(&conn->psqLock);
3041                             isPsqEmpty = A_NETBUF_QUEUE_EMPTY(&conn->psq);
3042                             A_NETBUF_ENQUEUE(&conn->psq, skb);
3043                             A_MUTEX_UNLOCK(&conn->psqLock);
3044
3045                             /* If this is the first pkt getting queued
3046                              * for this STA, update the PVB for this STA
3047                              */
3048                             if (isPsqEmpty) {
3049                                 wmi_set_pvb_cmd(ar->arWmi, conn->aid, 1);
3050                             }
3051
3052                             return 0;
3053                          } else {
3054                          /* This tx is because of a PsPoll. Determine if
3055                           * MoreData bit has to be set
3056                           */
3057                              A_MUTEX_LOCK(&conn->psqLock);
3058                              if (!A_NETBUF_QUEUE_EMPTY(&conn->psq)) {
3059                                  bMoreData = true;
3060                              }
3061                              A_MUTEX_UNLOCK(&conn->psqLock);
3062                          }
3063                     }
3064                 } else {
3065
3066                     /* non existent STA. drop the frame */
3067                     A_NETBUF_FREE(skb);
3068                     return 0;
3069                 }
3070             }
3071         }
3072
3073         if (ar->arWmiEnabled) {
3074         u8 csumStart=0;
3075         u8 csumDest=0;
3076         u8 csum=skb->ip_summed;
3077         if(csumOffload && (csum==CHECKSUM_PARTIAL)){
3078             csumStart = (skb->head + skb->csum_start - skb_network_header(skb) +
3079                          sizeof(ATH_LLC_SNAP_HDR));
3080             csumDest=skb->csum_offset+csumStart;
3081         }
3082             if (A_NETBUF_HEADROOM(skb) < dev->hard_header_len - LINUX_HACK_FUDGE_FACTOR) {
3083                 struct sk_buff  *newbuf;
3084
3085                 /*
3086                  * We really should have gotten enough headroom but sometimes
3087                  * we still get packets with not enough headroom.  Copy the packet.
3088                  */
3089                 len = A_NETBUF_LEN(skb);
3090                 newbuf = A_NETBUF_ALLOC(len);
3091                 if (newbuf == NULL) {
3092                     break;
3093                 }
3094                 A_NETBUF_PUT(newbuf, len);
3095                 memcpy(A_NETBUF_DATA(newbuf), A_NETBUF_DATA(skb), len);
3096                 A_NETBUF_FREE(skb);
3097                 skb = newbuf;
3098                 /* fall through and assemble header */
3099             }
3100
3101             if (dot11Hdr) {
3102                 if (wmi_dot11_hdr_add(ar->arWmi,skb,ar->arNetworkType) != 0) {
3103                     AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("ar6000_data_tx-wmi_dot11_hdr_add failed\n"));
3104                     break;
3105                 }
3106             } else {
3107                 if (wmi_dix_2_dot3(ar->arWmi, skb) != 0) {
3108                     AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("ar6000_data_tx - wmi_dix_2_dot3 failed\n"));
3109                     break;
3110                 }
3111             }
3112             if(csumOffload && (csum ==CHECKSUM_PARTIAL)){
3113                 WMI_TX_META_V2  metaV2;
3114                 metaV2.csumStart =csumStart;
3115                 metaV2.csumDest = csumDest;
3116                 metaV2.csumFlags = 0x1;/*instruct target to calculate checksum*/
3117                 if (wmi_data_hdr_add(ar->arWmi, skb, DATA_MSGTYPE, bMoreData, dot11Hdr,
3118                                         WMI_META_VERSION_2,&metaV2) != 0) {
3119                     AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("ar6000_data_tx - wmi_data_hdr_add failed\n"));
3120                     break;
3121                 }
3122
3123             }
3124             else
3125             {
3126                 if (wmi_data_hdr_add(ar->arWmi, skb, DATA_MSGTYPE, bMoreData, dot11Hdr,0,NULL) != 0) {
3127                     AR_DEBUG_PRINTF(ATH_DEBUG_ERR,("ar6000_data_tx - wmi_data_hdr_add failed\n"));
3128                     break;
3129                 }
3130             }
3131
3132
3133             if ((ar->arNetworkType == ADHOC_NETWORK) &&
3134                 ar->arIbssPsEnable && ar->arConnected) {
3135                     /* flag to check adhoc mapping once we take the lock below: */
3136                 checkAdHocPsMapping = true;
3137
3138             } else {
3139                     /* get the stream mapping */
3140                 ac  =  wmi_implicit_create_pstream(ar->arWmi, skb, 0, ar->arWmmEnabled);
3141             }
3142
3143         } else {
3144             EPPING_HEADER    *eppingHdr;
3145
3146             eppingHdr = A_NETBUF_DATA(skb);
3147
3148             if (IS_EPPING_PACKET(eppingHdr)) {
3149                     /* the stream ID is mapped to an access class */
3150                 ac = eppingHdr->StreamNo_h;
3151                     /* some EPPING packets cannot be dropped no matter what access class it was
3152                      * sent on.  We can change the packet tag to guarantee it will not get dropped */
3153                 if (IS_EPING_PACKET_NO_DROP(eppingHdr)) {
3154                     htc_tag = AR6K_CONTROL_PKT_TAG;
3155                 }
3156
3157                 if (ac == HCI_TRANSPORT_STREAM_NUM) {
3158                         /* pass this to HCI */
3159 #ifndef EXPORT_HCI_BRIDGE_INTERFACE
3160                     if (!hci_test_send(ar,skb)) {
3161                         return 0;
3162                     }
3163 #endif
3164                         /* set AC to discard this skb */
3165                     ac = AC_NOT_MAPPED;
3166                 } else {
3167                     /* a quirk of linux, the payload of the frame is 32-bit aligned and thus the addition
3168                      * of the HTC header will mis-align the start of the HTC frame, so we add some
3169                      * padding which will be stripped off in the target */
3170                     if (EPPING_ALIGNMENT_PAD > 0) {
3171                         A_NETBUF_PUSH(skb, EPPING_ALIGNMENT_PAD);
3172                     }
3173                 }
3174
3175             } else {
3176                     /* not a ping packet, drop it */
3177                 ac = AC_NOT_MAPPED;
3178             }
3179         }
3180
3181     } while (false);
3182
3183         /* did we succeed ? */
3184     if ((ac == AC_NOT_MAPPED) && !checkAdHocPsMapping) {
3185             /* cleanup and exit */
3186         A_NETBUF_FREE(skb);
3187         AR6000_STAT_INC(ar, tx_dropped);
3188         AR6000_STAT_INC(ar, tx_aborted_errors);
3189         return 0;
3190     }
3191
3192     cookie = NULL;
3193
3194         /* take the lock to protect driver data */
3195     AR6000_SPIN_LOCK(&ar->arLock, 0);
3196
3197     do {
3198
3199         if (checkAdHocPsMapping) {
3200             eid = ar6000_ibss_map_epid(skb, dev, &mapNo);
3201         }else {
3202             eid = arAc2EndpointID (ar, ac);
3203         }
3204             /* validate that the endpoint is connected */
3205         if (eid == 0 || eid == ENDPOINT_UNUSED ) {
3206             AR_DEBUG_PRINTF(ATH_DEBUG_ERR,(" eid %d is NOT mapped!\n", eid));
3207             break;
3208         }
3209             /* allocate resource for this packet */
3210         cookie = ar6000_alloc_cookie(ar);
3211
3212         if (cookie != NULL) {
3213                 /* update counts while the lock is held */
3214             ar->arTxPending[eid]++;
3215             ar->arTotalTxDataPending++;
3216         }
3217
3218     } while (false);
3219
3220     AR6000_SPIN_UNLOCK(&ar->arLock, 0);
3221
3222     if (cookie != NULL) {
3223         cookie->arc_bp[0] = (unsigned long)skb;
3224         cookie->arc_bp[1] = mapNo;
3225         SET_HTC_PACKET_INFO_TX(&cookie->HtcPkt,
3226                                cookie,
3227                                A_NETBUF_DATA(skb),
3228                                A_NETBUF_LEN(skb),
3229                                eid,
3230                                htc_tag);
3231
3232 #ifdef DEBUG
3233         if (debugdriver >= 3) {
3234             ar6000_dump_skb(skb);
3235         }
3236 #endif
3237 #ifdef HTC_TEST_SEND_PKTS
3238         DoHTCSendPktsTest(ar,mapNo,eid,skb);
3239 #endif
3240             /* HTC interface is asynchronous, if this fails, cleanup will happen in
3241              * the ar6000_tx_complete callback */
3242         HTCSendPkt(ar->arHtcTarget, &cookie->HtcPkt);
3243     } else {
3244             /* no packet to send, cleanup */
3245         A_NETBUF_FREE(skb);
3246         AR6000_STAT_INC(ar, tx_dropped);
3247         AR6000_STAT_INC(ar, tx_aborted_errors);
3248     }
3249
3250     return 0;
3251 }
3252
3253 int
3254 ar6000_acl_data_tx(struct sk_buff *skb, struct net_device *dev)
3255 {
3256     struct ar6_softc        *ar = (struct ar6_softc *)ar6k_priv(dev);
3257     struct ar_cookie *cookie;
3258     HTC_ENDPOINT_ID    eid = ENDPOINT_UNUSED;