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net: convert remaining non-symbolic return values in ndo_start_xmit() functions
[linux-block.git] / drivers / staging / rt2860 / rt_main_dev.c
CommitLineData
91980990
GKH		 1/*
2 *************************************************************************
3 * Ralink Tech Inc.
4 * 5F., No.36, Taiyuan St., Jhubei City,
5 * Hsinchu County 302,
6 * Taiwan, R.O.C.
7 *
8 * (c) Copyright 2002-2007, Ralink Technology, Inc.
9 *
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General Public License as published by *
12 * the Free Software Foundation; either version 2 of the License, or *
13 * (at your option) any later version. *
14 * *
15 * This program is distributed in the hope that it will be useful, *
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
18 * GNU General Public License for more details. *
19 * *
20 * You should have received a copy of the GNU General Public License *
21 * along with this program; if not, write to the *
22 * Free Software Foundation, Inc., *
23 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
24 * *
25 *************************************************************************
26
27 Module Name:
28 rt_main_dev.c
29
30 Abstract:
31 Create and register network interface.
32
33 Revision History:
34 Who When What
35 -------- ---------- ----------------------------------------------
36 Sample Mar/21/07 Merge RT2870 and RT2860 drivers.
37*/
38
39#include "rt_config.h"
40
41#define FORTY_MHZ_INTOLERANT_INTERVAL (60*1000) // 1 min
42
91980990
GKH		 43/*---------------------------------------------------------------------*/
44/* Private Variables Used */
45/*---------------------------------------------------------------------*/
46//static RALINK_TIMER_STRUCT PeriodicTimer;
47
48char *mac = ""; // default 00:00:00:00:00:00
49char *hostname = ""; // default CMPC
91980990 50module_param (mac, charp, 0);
91980990
GKH		 51MODULE_PARM_DESC (mac, "rt28xx: wireless mac addr");
52
53
54/*---------------------------------------------------------------------*/
55/* Prototypes of Functions Used */
56/*---------------------------------------------------------------------*/
91980990
GKH		 57extern BOOLEAN ba_reordering_resource_init(PRTMP_ADAPTER pAd, int num);
58extern void ba_reordering_resource_release(PRTMP_ADAPTER pAd);
91980990
GKH		 59extern NDIS_STATUS NICLoadRateSwitchingParams(IN PRTMP_ADAPTER pAd);
60
3a32ed12 61#ifdef RT2860
91980990 62extern void init_thread_task(PRTMP_ADAPTER pAd);
3a32ed12 63#endif
91980990
GKH		 64
65// public function prototype
66INT __devinit rt28xx_probe(IN void *_dev_p, IN void *_dev_id_p,
67 IN UINT argc, OUT PRTMP_ADAPTER *ppAd);
68
69// private function prototype
70static int rt28xx_init(IN struct net_device *net_dev);
71INT rt28xx_send_packets(IN struct sk_buff *skb_p, IN struct net_device *net_dev);
72
91980990
GKH		 73static void CfgInitHook(PRTMP_ADAPTER pAd);
74
91980990 75extern const struct iw_handler_def rt28xx_iw_handler_def;
91980990 76
91980990
GKH		 77#if WIRELESS_EXT >= 12
78// This function will be called when query /proc
79struct iw_statistics *rt28xx_get_wireless_stats(
80 IN struct net_device *net_dev);
81#endif
82
83struct net_device_stats *RT28xx_get_ether_stats(
84 IN struct net_device *net_dev);
85
86/*
87========================================================================
88Routine Description:
89 Close raxx interface.
90
91Arguments:
92 *net_dev the raxx interface pointer
93
94Return Value:
95 0 Open OK
96 otherwise Open Fail
97
98Note:
99 1. if open fail, kernel will not call the close function.
100 2. Free memory for
101 (1) Mlme Memory Handler: MlmeHalt()
102 (2) TX & RX: RTMPFreeTxRxRingMemory()
103 (3) BA Reordering: ba_reordering_resource_release()
104========================================================================
105*/
106int MainVirtualIF_close(IN struct net_device *net_dev)
107{
739b7979 108 RTMP_ADAPTER *pAd = net_dev->ml_priv;
91980990
GKH		 109
110 // Sanity check for pAd
111 if (pAd == NULL)
112 return 0; // close ok
113
114 netif_carrier_off(pAd->net_dev);
115 netif_stop_queue(pAd->net_dev);
116
117
118 VIRTUAL_IF_DOWN(pAd);
119
120 RT_MOD_DEC_USE_COUNT();
121
122 return 0; // close ok
123}
124
125/*
126========================================================================
127Routine Description:
128 Open raxx interface.
129
130Arguments:
131 *net_dev the raxx interface pointer
132
133Return Value:
134 0 Open OK
135 otherwise Open Fail
136
137Note:
138 1. if open fail, kernel will not call the close function.
139 2. Free memory for
140 (1) Mlme Memory Handler: MlmeHalt()
141 (2) TX & RX: RTMPFreeTxRxRingMemory()
142 (3) BA Reordering: ba_reordering_resource_release()
143========================================================================
144*/
145int MainVirtualIF_open(IN struct net_device *net_dev)
146{
739b7979 147 RTMP_ADAPTER *pAd = net_dev->ml_priv;
91980990
GKH		 148
149 // Sanity check for pAd
150 if (pAd == NULL)
151 return 0; // close ok
152
153 if (VIRTUAL_IF_UP(pAd) != 0)
154 return -1;
155
156 // increase MODULE use count
157 RT_MOD_INC_USE_COUNT();
158
159 netif_start_queue(net_dev);
160 netif_carrier_on(net_dev);
161 netif_wake_queue(net_dev);
162
163 return 0;
164}
165
166/*
167========================================================================
168Routine Description:
169 Close raxx interface.
170
171Arguments:
172 *net_dev the raxx interface pointer
173
174Return Value:
175 0 Open OK
176 otherwise Open Fail
177
178Note:
179 1. if open fail, kernel will not call the close function.
180 2. Free memory for
181 (1) Mlme Memory Handler: MlmeHalt()
182 (2) TX & RX: RTMPFreeTxRxRingMemory()
183 (3) BA Reordering: ba_reordering_resource_release()
184========================================================================
185*/
186int rt28xx_close(IN PNET_DEV dev)
187{
188 struct net_device * net_dev = (struct net_device *)dev;
739b7979 189 RTMP_ADAPTER *pAd = net_dev->ml_priv;
91980990
GKH		 190 BOOLEAN Cancelled = FALSE;
191 UINT32 i = 0;
3a32ed12
BZ		 192#ifdef RT2870
193 DECLARE_WAIT_QUEUE_HEAD(unlink_wakeup);
194 DECLARE_WAITQUEUE(wait, current);
195
196 //RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
197#endif // RT2870 //
91980990
GKH		 198
199
200 DBGPRINT(RT_DEBUG_TRACE, ("===> rt28xx_close\n"));
201
202 // Sanity check for pAd
203 if (pAd == NULL)
204 return 0; // close ok
205
91980990 206 {
91980990
GKH		 207 // If dirver doesn't wake up firmware here,
208 // NICLoadFirmware will hang forever when interface is up again.
3a32ed12 209#ifdef RT2860
ed291e80
AM		 210 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE) ||
211 RTMP_SET_PSFLAG(pAd, fRTMP_PS_SET_PCI_CLK_OFF_COMMAND) ||
212 RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_IDLE_RADIO_OFF))
3a32ed12
BZ		 213#endif
214#ifdef RT2870
215 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
216#endif
91980990 217 {
3a32ed12 218#ifdef RT2860
ed291e80 219 AsicForceWakeup(pAd, RTMP_HALT);
3a32ed12
BZ		 220#endif
221#ifdef RT2870
222 AsicForceWakeup(pAd, TRUE);
223#endif
91980990
GKH		 224 }
225
91980990
GKH		 226 if (INFRA_ON(pAd) &&
227 (!RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_NIC_NOT_EXIST)))
228 {
229 MLME_DISASSOC_REQ_STRUCT DisReq;
230 MLME_QUEUE_ELEM *MsgElem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
231
232 COPY_MAC_ADDR(DisReq.Addr, pAd->CommonCfg.Bssid);
233 DisReq.Reason = REASON_DEAUTH_STA_LEAVING;
234
235 MsgElem->Machine = ASSOC_STATE_MACHINE;
236 MsgElem->MsgType = MT2_MLME_DISASSOC_REQ;
237 MsgElem->MsgLen = sizeof(MLME_DISASSOC_REQ_STRUCT);
238 NdisMoveMemory(MsgElem->Msg, &DisReq, sizeof(MLME_DISASSOC_REQ_STRUCT));
239
240 // Prevent to connect AP again in STAMlmePeriodicExec
241 pAd->MlmeAux.AutoReconnectSsidLen= 32;
242 NdisZeroMemory(pAd->MlmeAux.AutoReconnectSsid, pAd->MlmeAux.AutoReconnectSsidLen);
243
244 pAd->Mlme.CntlMachine.CurrState = CNTL_WAIT_OID_DISASSOC;
245 MlmeDisassocReqAction(pAd, MsgElem);
246 kfree(MsgElem);
247
248 RTMPusecDelay(1000);
249 }
250
3a32ed12
BZ		 251#ifdef RT2870
252 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
253#endif // RT2870 //
91980990
GKH		 254
255#ifdef CCX_SUPPORT
256 RTMPCancelTimer(&pAd->StaCfg.LeapAuthTimer, &Cancelled);
257#endif
258
259 RTMPCancelTimer(&pAd->StaCfg.StaQuickResponeForRateUpTimer, &Cancelled);
260 RTMPCancelTimer(&pAd->StaCfg.WpaDisassocAndBlockAssocTimer, &Cancelled);
261
91980990 262 MlmeRadioOff(pAd);
3a32ed12 263#ifdef RT2860
91980990 264 pAd->bPCIclkOff = FALSE;
3a32ed12 265#endif
91980990 266 }
91980990
GKH		 267
268 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
269
270 for (i = 0 ; i < NUM_OF_TX_RING; i++)
271 {
272 while (pAd->DeQueueRunning[i] == TRUE)
273 {
274 printk("Waiting for TxQueue[%d] done..........\n", i);
275 RTMPusecDelay(1000);
276 }
277 }
278
3a32ed12
BZ		 279#ifdef RT2870
280 // ensure there are no more active urbs.
281 add_wait_queue (&unlink_wakeup, &wait);
282 pAd->wait = &unlink_wakeup;
283
284 // maybe wait for deletions to finish.
285 i = 0;
286 //while((i < 25) && atomic_read(&pAd->PendingRx) > 0)
287 while(i < 25)
288 {
289 unsigned long IrqFlags;
290
291 RTMP_IRQ_LOCK(&pAd->BulkInLock, IrqFlags);
292 if (pAd->PendingRx == 0)
293 {
294 RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
295 break;
296 }
297 RTMP_IRQ_UNLOCK(&pAd->BulkInLock, IrqFlags);
298
299 msleep(UNLINK_TIMEOUT_MS); //Time in millisecond
300 i++;
301 }
302 pAd->wait = NULL;
303 remove_wait_queue (&unlink_wakeup, &wait);
304#endif // RT2870 //
305
306#ifdef RT2870
307 // We need clear timerQ related structure before exits of the timer thread.
308 RT2870_TimerQ_Exit(pAd);
309 // Close kernel threads or tasklets
310 RT28xxThreadTerminate(pAd);
311#endif // RT2870 //
312
91980990
GKH		 313 // Stop Mlme state machine
314 MlmeHalt(pAd);
315
316 // Close kernel threads or tasklets
317 kill_thread_task(pAd);
318
5a911fd6 319 MacTableReset(pAd);
91980990
GKH		 320
321 MeasureReqTabExit(pAd);
322 TpcReqTabExit(pAd);
323
3a32ed12 324#ifdef RT2860
91980990
GKH		 325 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE))
326 {
327 NICDisableInterrupt(pAd);
328 }
329
330 // Disable Rx, register value supposed will remain after reset
331 NICIssueReset(pAd);
332
333 // Free IRQ
334 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
335 {
336 // Deregister interrupt function
337 RT28XX_IRQ_RELEASE(net_dev)
338 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
339 }
3a32ed12 340#endif
91980990
GKH		 341
342 // Free Ring or USB buffers
343 RTMPFreeTxRxRingMemory(pAd);
344
345 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS);
346
91980990
GKH		 347 // Free BA reorder resource
348 ba_reordering_resource_release(pAd);
91980990
GKH		 349
350 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_START_UP);
351
352 return 0; // close ok
353} /* End of rt28xx_close */
354
355static int rt28xx_init(IN struct net_device *net_dev)
356{
3a32ed12 357#ifdef RT2860
739b7979 358 PRTMP_ADAPTER pAd = (PRTMP_ADAPTER)net_dev->ml_priv;
3a32ed12
BZ		 359#endif
360#ifdef RT2870
361 PRTMP_ADAPTER pAd = net_dev->ml_priv;
362#endif
91980990
GKH		 363 UINT index;
364 UCHAR TmpPhy;
365 NDIS_STATUS Status;
366 UINT32 MacCsr0 = 0;
367
91980990
GKH		 368 // Allocate BA Reordering memory
369 ba_reordering_resource_init(pAd, MAX_REORDERING_MPDU_NUM);
91980990
GKH		 370
371 // Make sure MAC gets ready.
372 index = 0;
373 do
374 {
375 RTMP_IO_READ32(pAd, MAC_CSR0, &MacCsr0);
376 pAd->MACVersion = MacCsr0;
377
378 if ((pAd->MACVersion != 0x00) && (pAd->MACVersion != 0xFFFFFFFF))
379 break;
380
381 RTMPusecDelay(10);
382 } while (index++ < 100);
383
384 DBGPRINT(RT_DEBUG_TRACE, ("MAC_CSR0 [ Ver:Rev=0x%08x]\n", pAd->MACVersion));
3a32ed12 385/*Iverson patch PCIE L1 issue */
91980990
GKH		 386
387 // Disable DMA
388 RT28XXDMADisable(pAd);
389
91980990
GKH		 390 // Load 8051 firmware
391 Status = NICLoadFirmware(pAd);
392 if (Status != NDIS_STATUS_SUCCESS)
393 {
394 DBGPRINT_ERR(("NICLoadFirmware failed, Status[=0x%08x]\n", Status));
395 goto err1;
396 }
397
398 NICLoadRateSwitchingParams(pAd);
399
400 // Disable interrupts here which is as soon as possible
401 // This statement should never be true. We might consider to remove it later
3a32ed12 402#ifdef RT2860
91980990
GKH		 403 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_ACTIVE))
404 {
405 NICDisableInterrupt(pAd);
406 }
3a32ed12 407#endif
91980990
GKH		 408
409 Status = RTMPAllocTxRxRingMemory(pAd);
410 if (Status != NDIS_STATUS_SUCCESS)
411 {
412 DBGPRINT_ERR(("RTMPAllocDMAMemory failed, Status[=0x%08x]\n", Status));
413 goto err1;
414 }
415
416 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
417
418 // initialize MLME
419 //
420
421 Status = MlmeInit(pAd);
422 if (Status != NDIS_STATUS_SUCCESS)
423 {
424 DBGPRINT_ERR(("MlmeInit failed, Status[=0x%08x]\n", Status));
425 goto err2;
426 }
427
428 // Initialize pAd->StaCfg, pAd->ApCfg, pAd->CommonCfg to manufacture default
429 //
430 UserCfgInit(pAd);
431
3a32ed12
BZ		 432#ifdef RT2870
433 // We need init timerQ related structure before create the timer thread.
434 RT2870_TimerQ_Init(pAd);
435#endif // RT2870 //
91980990
GKH		 436
437 RT28XX_TASK_THREAD_INIT(pAd, Status);
438 if (Status != NDIS_STATUS_SUCCESS)
439 goto err1;
440
441 CfgInitHook(pAd);
442
5a911fd6 443 NdisAllocateSpinLock(&pAd->MacTabLock);
91980990
GKH		 444
445 MeasureReqTabInit(pAd);
446 TpcReqTabInit(pAd);
447
448 //
449 // Init the hardware, we need to init asic before read registry, otherwise mac register will be reset
450 //
451 Status = NICInitializeAdapter(pAd, TRUE);
452 if (Status != NDIS_STATUS_SUCCESS)
453 {
454 DBGPRINT_ERR(("NICInitializeAdapter failed, Status[=0x%08x]\n", Status));
455 if (Status != NDIS_STATUS_SUCCESS)
456 goto err3;
457 }
458
459 // Read parameters from Config File
460 Status = RTMPReadParametersHook(pAd);
461
462 printk("1. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
463 if (Status != NDIS_STATUS_SUCCESS)
464 {
465 DBGPRINT_ERR(("NICReadRegParameters failed, Status[=0x%08x]\n",Status));
466 goto err4;
467 }
468
3a32ed12
BZ		 469#ifdef RT2870
470 pAd->CommonCfg.bMultipleIRP = FALSE;
471
472 if (pAd->CommonCfg.bMultipleIRP)
473 pAd->CommonCfg.NumOfBulkInIRP = RX_RING_SIZE;
474 else
475 pAd->CommonCfg.NumOfBulkInIRP = 1;
476#endif // RT2870 //
91980990
GKH		 477
478
479 //Init Ba Capability parameters.
91980990
GKH		 480 pAd->CommonCfg.DesiredHtPhy.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
481 pAd->CommonCfg.DesiredHtPhy.AmsduEnable = (USHORT)pAd->CommonCfg.BACapability.field.AmsduEnable;
482 pAd->CommonCfg.DesiredHtPhy.AmsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
483 pAd->CommonCfg.DesiredHtPhy.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
484 // UPdata to HT IE
485 pAd->CommonCfg.HtCapability.HtCapInfo.MimoPs = (USHORT)pAd->CommonCfg.BACapability.field.MMPSmode;
486 pAd->CommonCfg.HtCapability.HtCapInfo.AMsduSize = (USHORT)pAd->CommonCfg.BACapability.field.AmsduSize;
487 pAd->CommonCfg.HtCapability.HtCapParm.MpduDensity = (UCHAR)pAd->CommonCfg.BACapability.field.MpduDensity;
91980990
GKH		 488
489 printk("2. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
490
491 // We should read EEPROM for all cases. rt2860b
492 NICReadEEPROMParameters(pAd, mac);
493
494 printk("3. Phy Mode = %d\n", pAd->CommonCfg.PhyMode);
495
496 NICInitAsicFromEEPROM(pAd); //rt2860b
497
498 // Set PHY to appropriate mode
499 TmpPhy = pAd->CommonCfg.PhyMode;
500 pAd->CommonCfg.PhyMode = 0xff;
501 RTMPSetPhyMode(pAd, TmpPhy);
91980990 502 SetCommonHT(pAd);
91980990
GKH		 503
504 // No valid channels.
505 if (pAd->ChannelListNum == 0)
506 {
507 printk("Wrong configuration. No valid channel found. Check \"ContryCode\" and \"ChannelGeography\" setting.\n");
508 goto err4;
509 }
510
91980990
GKH		 511 printk("MCS Set = %02x %02x %02x %02x %02x\n", pAd->CommonCfg.HtCapability.MCSSet[0],
512 pAd->CommonCfg.HtCapability.MCSSet[1], pAd->CommonCfg.HtCapability.MCSSet[2],
513 pAd->CommonCfg.HtCapability.MCSSet[3], pAd->CommonCfg.HtCapability.MCSSet[4]);
91980990 514
3a32ed12
BZ		 515#ifdef RT2870
516 //Init RT30xx RFRegisters after read RFIC type from EEPROM
517 NICInitRT30xxRFRegisters(pAd);
518#endif // RT2870 //
519
91980990
GKH		 520#ifdef IKANOS_VX_1X0
521 VR_IKANOS_FP_Init(pAd->ApCfg.BssidNum, pAd->PermanentAddress);
522#endif // IKANOS_VX_1X0 //
523
524 //
525 // Initialize RF register to default value
526 //
527 AsicSwitchChannel(pAd, pAd->CommonCfg.Channel, FALSE);
528 AsicLockChannel(pAd, pAd->CommonCfg.Channel);
529
3a32ed12 530#ifndef RT30xx
91980990
GKH		 531 // 8051 firmware require the signal during booting time.
532 AsicSendCommandToMcu(pAd, 0x72, 0xFF, 0x00, 0x00);
3a32ed12 533#endif
91980990
GKH		 534
535 if (pAd && (Status != NDIS_STATUS_SUCCESS))
536 {
537 //
538 // Undo everything if it failed
539 //
540 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE))
541 {
542 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_INTERRUPT_IN_USE);
543 }
544 }
545 else if (pAd)
546 {
547 // Microsoft HCT require driver send a disconnect event after driver initialization.
548 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_MEDIA_STATE_CONNECTED);
549 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_MEDIA_STATE_CHANGE);
3a32ed12 550
91980990
GKH		 551 DBGPRINT(RT_DEBUG_TRACE, ("NDIS_STATUS_MEDIA_DISCONNECT Event B!\n"));
552
553
3a32ed12
BZ		 554#ifdef RT2870
555 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS);
556 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_REMOVE_IN_PROGRESS);
557
558 //
559 // Support multiple BulkIn IRP,
560 // the value on pAd->CommonCfg.NumOfBulkInIRP may be large than 1.
561 //
562 for(index=0; index<pAd->CommonCfg.NumOfBulkInIRP; index++)
563 {
564 RTUSBBulkReceive(pAd);
565 DBGPRINT(RT_DEBUG_TRACE, ("RTUSBBulkReceive!\n" ));
566 }
567#endif // RT2870 //
91980990
GKH		 568 }// end of else
569
570
571 DBGPRINT_S(Status, ("<==== RTMPInitialize, Status=%x\n", Status));
572
573 return TRUE;
574
575
576err4:
577err3:
578 MlmeHalt(pAd);
579err2:
580 RTMPFreeTxRxRingMemory(pAd);
581err1:
91980990 582 os_free_mem(pAd, pAd->mpdu_blk_pool.mem); // free BA pool
91980990
GKH		 583 RT28XX_IRQ_RELEASE(net_dev);
584
739b7979
GKH		 585 // shall not set ml_priv to NULL here because the ml_priv didn't been free yet.
586 //net_dev->ml_priv = 0;
2074a80c 587
91980990
GKH		 588 printk("!!! %s Initialized fail !!!\n", RT28xx_CHIP_NAME);
589 return FALSE;
590} /* End of rt28xx_init */
591
592
593/*
594========================================================================
595Routine Description:
596 Open raxx interface.
597
598Arguments:
599 *net_dev the raxx interface pointer
600
601Return Value:
602 0 Open OK
603 otherwise Open Fail
604
605Note:
606========================================================================
607*/
608int rt28xx_open(IN PNET_DEV dev)
609{
610 struct net_device * net_dev = (struct net_device *)dev;
739b7979 611 PRTMP_ADAPTER pAd = net_dev->ml_priv;
91980990
GKH		 612 int retval = 0;
613 POS_COOKIE pObj;
614
615
616 // Sanity check for pAd
617 if (pAd == NULL)
618 {
619 /* if 1st open fail, pAd will be free;
739b7979 620 So the net_dev->ml_priv will be NULL in 2rd open */
91980990
GKH		 621 return -1;
622 }
623
91980990
GKH		 624 // Init
625 pObj = (POS_COOKIE)pAd->OS_Cookie;
626
627 // reset Adapter flags
628 RTMP_CLEAR_FLAGS(pAd);
629
630 // Request interrupt service routine for PCI device
631 // register the interrupt routine with the os
632 RT28XX_IRQ_REQUEST(net_dev);
633
634
635 // Init BssTab & ChannelInfo tabbles for auto channel select.
636
637
638 // Chip & other init
639 if (rt28xx_init(net_dev) == FALSE)
640 goto err;
641
5a911fd6
BZ		 642 NdisZeroMemory(pAd->StaCfg.dev_name, 16);
643 NdisMoveMemory(pAd->StaCfg.dev_name, net_dev->name, strlen(net_dev->name));
91980990
GKH		 644
645 // Set up the Mac address
646 NdisMoveMemory(net_dev->dev_addr, (void *) pAd->CurrentAddress, 6);
647
648 // Init IRQ parameters
649 RT28XX_IRQ_INIT(pAd);
650
651 // Various AP function init
652
91980990
GKH		 653 // Enable Interrupt
654 RT28XX_IRQ_ENABLE(pAd);
655
656 // Now Enable RxTx
657 RTMPEnableRxTx(pAd);
658 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_START_UP);
659
660 {
661 UINT32 reg = 0;
662 RTMP_IO_READ32(pAd, 0x1300, &reg); // clear garbage interrupts
663 printk("0x1300 = %08x\n", reg);
664 }
665
3a32ed12 666#ifdef RT2860
91980990 667 RTMPInitPCIeLinkCtrlValue(pAd);
3a32ed12 668#endif
91980990
GKH		 669 return (retval);
670
671err:
672 return (-1);
673} /* End of rt28xx_open */
674
ca7d2dbb
AB		 675static const struct net_device_ops rt2860_netdev_ops = {
676 .ndo_open = MainVirtualIF_open,
677 .ndo_stop = MainVirtualIF_close,
678 .ndo_do_ioctl = rt28xx_ioctl,
679 .ndo_get_stats = RT28xx_get_ether_stats,
680 .ndo_validate_addr = NULL,
681 .ndo_set_mac_address = eth_mac_addr,
682 .ndo_change_mtu = eth_change_mtu,
683#ifdef IKANOS_VX_1X0
684 .ndo_start_xmit = IKANOS_DataFramesTx,
685#else
686 .ndo_start_xmit = rt28xx_send_packets,
687#endif
688};
91980990
GKH		 689
690/* Must not be called for mdev and apdev */
691static NDIS_STATUS rt_ieee80211_if_setup(struct net_device *dev, PRTMP_ADAPTER pAd)
692{
693 NDIS_STATUS Status;
694 INT i=0;
695 CHAR slot_name[IFNAMSIZ];
696 struct net_device *device;
697
91980990
GKH		 698#if WIRELESS_EXT >= 12
699 if (pAd->OpMode == OPMODE_STA)
700 {
701 dev->wireless_handlers = &rt28xx_iw_handler_def;
702 }
703#endif //WIRELESS_EXT >= 12
91980990 704
91980990
GKH		 705#if WIRELESS_EXT < 21
706 dev->get_wireless_stats = rt28xx_get_wireless_stats;
707#endif
91980990 708 dev->priv_flags = INT_MAIN;
ca7d2dbb 709 dev->netdev_ops = &rt2860_netdev_ops;
91980990
GKH		 710 // find available device name
711 for (i = 0; i < 8; i++)
712 {
91980990
GKH		 713 sprintf(slot_name, "ra%d", i);
714
7f20a18d
PE		 715 device = dev_get_by_name(dev_net(dev), slot_name);
716 if (device != NULL)
717 dev_put(device);
718
719 if (device == NULL)
91980990
GKH		 720 break;
721 }
722
723 if(i == 8)
724 {
725 DBGPRINT(RT_DEBUG_ERROR, ("No available slot name\n"));
726 Status = NDIS_STATUS_FAILURE;
727 }
728 else
729 {
91980990
GKH		 730 sprintf(dev->name, "ra%d", i);
731 Status = NDIS_STATUS_SUCCESS;
732 }
733
734 return Status;
735
736}
737
91980990
GKH		 738/*
739========================================================================
740Routine Description:
741 Probe RT28XX chipset.
742
743Arguments:
744 _dev_p Point to the PCI or USB device
745 _dev_id_p Point to the PCI or USB device ID
746
747Return Value:
748 0 Probe OK
749 -ENODEV Probe Fail
750
751Note:
752========================================================================
753*/
754INT __devinit rt28xx_probe(
755 IN void *_dev_p,
756 IN void *_dev_id_p,
757 IN UINT argc,
758 OUT PRTMP_ADAPTER *ppAd)
759{
760 struct net_device *net_dev;
761 PRTMP_ADAPTER pAd = (PRTMP_ADAPTER) NULL;
762 INT status;
763 PVOID handle;
3a32ed12 764#ifdef RT2860
91980990 765 struct pci_dev *dev_p = (struct pci_dev *)_dev_p;
3a32ed12
BZ		 766#endif
767#ifdef RT2870
768 struct usb_interface *intf = (struct usb_interface *)_dev_p;
769 struct usb_device *dev_p = interface_to_usbdev(intf);
91980990 770
3a32ed12
BZ		 771 dev_p = usb_get_dev(dev_p);
772#endif // RT2870 //
91980990 773
91980990 774 DBGPRINT(RT_DEBUG_TRACE, ("STA Driver version-%s\n", STA_DRIVER_VERSION));
91980990 775
91980990 776 net_dev = alloc_etherdev(sizeof(PRTMP_ADAPTER));
91980990
GKH		 777 if (net_dev == NULL)
778 {
779 printk("alloc_netdev failed\n");
780
91980990
GKH		 781 goto err_out;
782 }
783
91980990 784 netif_stop_queue(net_dev);
2684d166 785
91980990
GKH		 786/* for supporting Network Manager */
787/* Set the sysfs physical device reference for the network logical device
788 * if set prior to registration will cause a symlink during initialization.
789 */
91980990 790 SET_NETDEV_DEV(net_dev, &(dev_p->dev));
91980990
GKH		 791
792 // Allocate RTMP_ADAPTER miniport adapter structure
793 handle = kmalloc(sizeof(struct os_cookie), GFP_KERNEL);
794 RT28XX_HANDLE_DEV_ASSIGN(handle, dev_p);
795
796 status = RTMPAllocAdapterBlock(handle, &pAd);
797 if (status != NDIS_STATUS_SUCCESS)
798 goto err_out_free_netdev;
799
739b7979 800 net_dev->ml_priv = (PVOID)pAd;
91980990
GKH		 801 pAd->net_dev = net_dev; // must be before RT28XXNetDevInit()
802
803 RT28XXNetDevInit(_dev_p, net_dev, pAd);
804
91980990 805 pAd->StaCfg.OriDevType = net_dev->type;
91980990
GKH		 806
807 // Post config
91980990
GKH		 808 if (RT28XXProbePostConfig(_dev_p, pAd, 0) == FALSE)
809 goto err_out_unmap;
91980990 810
91980990 811 pAd->OpMode = OPMODE_STA;
91980990 812
91980990
GKH		 813 // sample move
814 if (rt_ieee80211_if_setup(net_dev, pAd) != NDIS_STATUS_SUCCESS)
815 goto err_out_unmap;
816
817 // Register this device
818 status = register_netdev(net_dev);
819 if (status)
820 goto err_out_unmap;
821
822 // Set driver data
823 RT28XX_DRVDATA_SET(_dev_p);
824
825 *ppAd = pAd;
826 return 0; // probe ok
827
828
829 /* --------------------------- ERROR HANDLE --------------------------- */
830err_out_unmap:
831 RTMPFreeAdapter(pAd);
832 RT28XX_UNMAP();
833
834err_out_free_netdev:
7f20a18d 835 free_netdev(net_dev);
91980990
GKH		 836
837err_out:
838 RT28XX_PUT_DEVICE(dev_p);
839
7f20a18d 840 return -ENODEV; /* probe fail */
91980990
GKH		 841} /* End of rt28xx_probe */
842
843
844/*
845========================================================================
846Routine Description:
847 The entry point for Linux kernel sent packet to our driver.
848
849Arguments:
850 sk_buff *skb the pointer refer to a sk_buffer.
851
852Return Value:
853 0
854
855Note:
856 This function is the entry point of Tx Path for Os delivery packet to
857 our driver. You only can put OS-depened & STA/AP common handle procedures
858 in here.
859========================================================================
860*/
861int rt28xx_packet_xmit(struct sk_buff *skb)
862{
863 struct net_device *net_dev = skb->dev;
739b7979 864 PRTMP_ADAPTER pAd = net_dev->ml_priv;
ec634fe3 865 int status = NETDEV_TX_OK;
91980990
GKH		 866 PNDIS_PACKET pPacket = (PNDIS_PACKET) skb;
867
91980990
GKH		 868 {
869 // Drop send request since we are in monitor mode
870 if (MONITOR_ON(pAd))
871 {
872 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
873 goto done;
874 }
875 }
91980990
GKH		 876
877 // EapolStart size is 18
878 if (skb->len < 14)
879 {
880 //printk("bad packet size: %d\n", pkt->len);
881 hex_dump("bad packet", skb->data, skb->len);
882 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_FAILURE);
883 goto done;
884 }
885
886 RTMP_SET_PACKET_5VT(pPacket, 0);
887#ifdef CONFIG_5VT_ENHANCE
888 if (*(int*)(skb->cb) == BRIDGE_TAG) {
889 RTMP_SET_PACKET_5VT(pPacket, 1);
890 }
891#endif
892
5a911fd6 893 STASendPackets((NDIS_HANDLE)pAd, (PPNDIS_PACKET) &pPacket, 1);
91980990 894
ec634fe3 895 status = NETDEV_TX_OK;
91980990
GKH		 896done:
897
898 return status;
899}
900
901
902/*
903========================================================================
904Routine Description:
905 Send a packet to WLAN.
906
907Arguments:
908 skb_p points to our adapter
909 dev_p which WLAN network interface
910
911Return Value:
912 0: transmit successfully
913 otherwise: transmit fail
914
915Note:
916========================================================================
917*/
918INT rt28xx_send_packets(
919 IN struct sk_buff *skb_p,
920 IN struct net_device *net_dev)
921{
739b7979 922 RTMP_ADAPTER *pAd = net_dev->ml_priv;
91980990
GKH		 923 if (!(net_dev->flags & IFF_UP))
924 {
925 RELEASE_NDIS_PACKET(pAd, (PNDIS_PACKET)skb_p, NDIS_STATUS_FAILURE);
ec634fe3 926 return NETDEV_TX_OK;
91980990
GKH		 927 }
928
929 NdisZeroMemory((PUCHAR)&skb_p->cb[CB_OFF], 15);
930 RTMP_SET_PACKET_NET_DEVICE_MBSSID(skb_p, MAIN_MBSSID);
931
932 return rt28xx_packet_xmit(skb_p);
933
934} /* End of MBSS_VirtualIF_PacketSend */
935
936
937
938
91980990
GKH		 939void CfgInitHook(PRTMP_ADAPTER pAd)
940{
941 pAd->bBroadComHT = TRUE;
942} /* End of CfgInitHook */
943
944
945#if WIRELESS_EXT >= 12
946// This function will be called when query /proc
947struct iw_statistics *rt28xx_get_wireless_stats(
948 IN struct net_device *net_dev)
949{
739b7979 950 PRTMP_ADAPTER pAd = net_dev->ml_priv;
91980990
GKH		 951
952
953 DBGPRINT(RT_DEBUG_TRACE, ("rt28xx_get_wireless_stats --->\n"));
954
955 pAd->iw_stats.status = 0; // Status - device dependent for now
956
957 // link quality
958 pAd->iw_stats.qual.qual = ((pAd->Mlme.ChannelQuality * 12)/10 + 10);
959 if(pAd->iw_stats.qual.qual > 100)
960 pAd->iw_stats.qual.qual = 100;
961
91980990
GKH		 962 if (pAd->OpMode == OPMODE_STA)
963 pAd->iw_stats.qual.level = RTMPMaxRssi(pAd, pAd->StaCfg.RssiSample.LastRssi0, pAd->StaCfg.RssiSample.LastRssi1, pAd->StaCfg.RssiSample.LastRssi2);
91980990
GKH		 964
965 pAd->iw_stats.qual.noise = pAd->BbpWriteLatch[66]; // noise level (dBm)
966
967 pAd->iw_stats.qual.noise += 256 - 143;
968 pAd->iw_stats.qual.updated = 1; // Flags to know if updated
969#ifdef IW_QUAL_DBM
970 pAd->iw_stats.qual.updated |= IW_QUAL_DBM; // Level + Noise are dBm
971#endif // IW_QUAL_DBM //
972
973 pAd->iw_stats.discard.nwid = 0; // Rx : Wrong nwid/essid
974 pAd->iw_stats.miss.beacon = 0; // Missed beacons/superframe
975
976 DBGPRINT(RT_DEBUG_TRACE, ("<--- rt28xx_get_wireless_stats\n"));
977 return &pAd->iw_stats;
978} /* End of rt28xx_get_wireless_stats */
979#endif // WIRELESS_EXT //
980
981
982
983void tbtt_tasklet(unsigned long data)
984{
985#define MAX_TX_IN_TBTT (16)
986
987}
988
989INT rt28xx_ioctl(
990 IN struct net_device *net_dev,
991 IN OUT struct ifreq *rq,
992 IN INT cmd)
993{
994 VIRTUAL_ADAPTER *pVirtualAd = NULL;
995 RTMP_ADAPTER *pAd = NULL;
996 INT ret = 0;
997
998 if (net_dev->priv_flags == INT_MAIN)
999 {
739b7979 1000 pAd = net_dev->ml_priv;
91980990
GKH		 1001 }
1002 else
1003 {
739b7979
GKH		 1004 pVirtualAd = net_dev->ml_priv;
1005 pAd = pVirtualAd->RtmpDev->ml_priv;
91980990
GKH		 1006 }
1007
1008 if (pAd == NULL)
1009 {
1010 /* if 1st open fail, pAd will be free;
739b7979 1011 So the net_dev->ml_priv will be NULL in 2rd open */
91980990
GKH		 1012 return -ENETDOWN;
1013 }
1014
5a911fd6 1015 ret = rt28xx_sta_ioctl(net_dev, rq, cmd);
91980990
GKH		 1016
1017 return ret;
1018}
1019
1020/*
1021 ========================================================================
1022
1023 Routine Description:
1024 return ethernet statistics counter
1025
1026 Arguments:
1027 net_dev Pointer to net_device
1028
1029 Return Value:
1030 net_device_stats*
1031
1032 Note:
1033
1034 ========================================================================
1035*/
1036struct net_device_stats *RT28xx_get_ether_stats(
1037 IN struct net_device *net_dev)
1038{
1039 RTMP_ADAPTER *pAd = NULL;
1040
1041 if (net_dev)
739b7979 1042 pAd = net_dev->ml_priv;
91980990
GKH		 1043
1044 if (pAd)
1045 {
1046
1047 pAd->stats.rx_packets = pAd->WlanCounters.ReceivedFragmentCount.QuadPart;
1048 pAd->stats.tx_packets = pAd->WlanCounters.TransmittedFragmentCount.QuadPart;
1049
1050 pAd->stats.rx_bytes = pAd->RalinkCounters.ReceivedByteCount;
1051 pAd->stats.tx_bytes = pAd->RalinkCounters.TransmittedByteCount;
1052
1053 pAd->stats.rx_errors = pAd->Counters8023.RxErrors;
1054 pAd->stats.tx_errors = pAd->Counters8023.TxErrors;
1055
1056 pAd->stats.rx_dropped = 0;
1057 pAd->stats.tx_dropped = 0;
1058
1059 pAd->stats.multicast = pAd->WlanCounters.MulticastReceivedFrameCount.QuadPart; // multicast packets received
1060 pAd->stats.collisions = pAd->Counters8023.OneCollision + pAd->Counters8023.MoreCollisions; // Collision packets
1061
1062 pAd->stats.rx_length_errors = 0;
1063 pAd->stats.rx_over_errors = pAd->Counters8023.RxNoBuffer; // receiver ring buff overflow
1064 pAd->stats.rx_crc_errors = 0;//pAd->WlanCounters.FCSErrorCount; // recved pkt with crc error
1065 pAd->stats.rx_frame_errors = pAd->Counters8023.RcvAlignmentErrors; // recv'd frame alignment error
1066 pAd->stats.rx_fifo_errors = pAd->Counters8023.RxNoBuffer; // recv'r fifo overrun
1067 pAd->stats.rx_missed_errors = 0; // receiver missed packet
1068
1069 // detailed tx_errors
1070 pAd->stats.tx_aborted_errors = 0;
1071 pAd->stats.tx_carrier_errors = 0;
1072 pAd->stats.tx_fifo_errors = 0;
1073 pAd->stats.tx_heartbeat_errors = 0;
1074 pAd->stats.tx_window_errors = 0;
1075
1076 // for cslip etc
1077 pAd->stats.rx_compressed = 0;
1078 pAd->stats.tx_compressed = 0;
1079
1080 return &pAd->stats;
1081 }
1082 else
1083 return NULL;
1084}
1085
Linux 6.x block layer and io_uring tree(s)