2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 * Purpose: MAC Data structure
32 #include <linux/module.h>
33 #include <linux/types.h>
35 #include <linux/errno.h>
36 #include <linux/ioport.h>
37 #include <linux/pci.h>
38 #include <linux/kernel.h>
39 #include <linux/netdevice.h>
40 #include <linux/etherdevice.h>
41 #include <linux/skbuff.h>
42 #include <linux/delay.h>
43 #include <linux/timer.h>
44 #include <linux/slab.h>
45 #include <linux/interrupt.h>
46 #include <linux/string.h>
47 #include <linux/wait.h>
48 #include <linux/if_arp.h>
49 #include <linux/sched.h>
52 #include <linux/crc32.h>
53 #include <linux/uaccess.h>
54 #include <linux/proc_fs.h>
55 #include <linux/inetdevice.h>
56 #include <linux/reboot.h>
57 #include <linux/ethtool.h>
58 /* Include Wireless Extension definition and check version - Jean II */
59 #include <net/mac80211.h>
60 #include <linux/wireless.h>
61 #include <net/iw_handler.h> /* New driver API */
63 #ifndef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
64 #define WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
69 #include "device_cfg.h"
81 /*--------------------- Export Definitions -------------------------*/
83 #define MAC_MAX_CONTEXT_REG (256+128)
85 #define MAX_MULTICAST_ADDRESS_NUM 32
86 #define MULTICAST_ADDRESS_LIST_SIZE (MAX_MULTICAST_ADDRESS_NUM * ETH_ALEN)
88 #define DUPLICATE_RX_CACHE_LENGTH 5
90 #define NUM_KEY_ENTRY 11
95 #define TX_WEP_SWOTP 3
96 #define TX_WEP_OTPSW 4
97 #define TX_WEP_SW232 5
99 #define KEYSEL_WEP40 0
100 #define KEYSEL_WEP104 1
101 #define KEYSEL_TKIP 2
102 #define KEYSEL_CCMP 3
104 #define AUTO_FB_NONE 0
114 #define ANT_DIVERSITY 2
115 #define ANT_RXD_TXA 3
116 #define ANT_RXD_TXB 4
117 #define ANT_UNKNOWN 0xFF
119 #define MAXCHECKHANGCNT 4
121 #define BB_VGA_LEVEL 4
122 #define BB_VGA_CHANGE_THRESHOLD 16
125 #define RUN_AT(x) (jiffies+(x))
129 #define RESERV_AC0DMA 4
133 #define AVAIL_TD(p, q) ((p)->sOpts.nTxDescs[(q)] - ((p)->iTDUsed[(q)]))
137 #define PRIVATE_Message 0
139 /*--------------------- Export Types ------------------------------*/
141 #define PRINT_K(p, args...) \
143 if (PRIVATE_Message) \
147 /* 0:11A 1:11B 2:11G */
148 typedef enum _VIA_BB_TYPE
153 } VIA_BB_TYPE, *PVIA_BB_TYPE;
155 /* 0:11a,1:11b,2:11gb(only CCK in BasicRate),3:11ga(OFDM in Basic Rate) */
156 typedef enum _VIA_PKT_TYPE
162 } VIA_PKT_TYPE, *PVIA_PKT_TYPE;
164 typedef enum __device_msg_level {
165 MSG_LEVEL_ERR = 0, /* Errors that will cause abnormal operation. */
166 MSG_LEVEL_NOTICE = 1, /* Some errors need users to be notified. */
167 MSG_LEVEL_INFO = 2, /* Normal message. */
168 MSG_LEVEL_VERBOSE = 3, /* Will report all trival errors. */
169 MSG_LEVEL_DEBUG = 4 /* Only for debug purpose. */
170 } DEVICE_MSG_LEVEL, *PDEVICE_MSG_LEVEL;
173 #define MAX_BSSIDINFO_4_PMKID 16
174 #define MAX_PMKIDLIST 5
175 /* Flags for PMKID Candidate list structure */
176 #define NDIS_802_11_PMKID_CANDIDATE_PREAUTH_ENABLED 0x01
178 /* PMKID Structures */
179 typedef unsigned char NDIS_802_11_PMKID_VALUE[16];
181 typedef enum _NDIS_802_11_WEP_STATUS {
182 Ndis802_11WEPEnabled,
183 Ndis802_11Encryption1Enabled = Ndis802_11WEPEnabled,
184 Ndis802_11WEPDisabled,
185 Ndis802_11EncryptionDisabled = Ndis802_11WEPDisabled,
186 Ndis802_11WEPKeyAbsent,
187 Ndis802_11Encryption1KeyAbsent = Ndis802_11WEPKeyAbsent,
188 Ndis802_11WEPNotSupported,
189 Ndis802_11EncryptionNotSupported = Ndis802_11WEPNotSupported,
190 Ndis802_11Encryption2Enabled,
191 Ndis802_11Encryption2KeyAbsent,
192 Ndis802_11Encryption3Enabled,
193 Ndis802_11Encryption3KeyAbsent
194 } NDIS_802_11_WEP_STATUS, *PNDIS_802_11_WEP_STATUS,
195 NDIS_802_11_ENCRYPTION_STATUS, *PNDIS_802_11_ENCRYPTION_STATUS;
197 typedef enum _NDIS_802_11_STATUS_TYPE {
198 Ndis802_11StatusType_Authentication,
199 Ndis802_11StatusType_MediaStreamMode,
200 Ndis802_11StatusType_PMKID_CandidateList,
201 Ndis802_11StatusTypeMax /* defined as an upper bound */
202 } NDIS_802_11_STATUS_TYPE, *PNDIS_802_11_STATUS_TYPE;
204 /* Added new types for PMKID Candidate lists. */
205 struct pmkid_candidate {
206 NDIS_802_11_MAC_ADDRESS BSSID;
210 typedef struct _BSSID_INFO {
211 NDIS_802_11_MAC_ADDRESS BSSID;
212 NDIS_802_11_PMKID_VALUE PMKID;
213 } BSSID_INFO, *PBSSID_INFO;
215 typedef struct tagSPMKID {
216 unsigned long Length;
217 unsigned long BSSIDInfoCount;
218 BSSID_INFO BSSIDInfo[MAX_BSSIDINFO_4_PMKID];
221 typedef struct tagSPMKIDCandidateEvent {
222 NDIS_802_11_STATUS_TYPE StatusType;
223 unsigned long Version; /* Version of the structure */
224 unsigned long NumCandidates; /* No. of pmkid candidates */
225 struct pmkid_candidate CandidateList[MAX_PMKIDLIST];
226 } SPMKIDCandidateEvent, *PSPMKIDCandidateEvent;
228 /* 802.11h related */
229 #define MAX_QUIET_COUNT 8
231 typedef struct tagSQuietControl {
233 unsigned long dwStartTime;
234 unsigned char byPeriod;
235 unsigned short wDuration;
236 } SQuietControl, *PSQuietControl;
238 typedef struct __chip_info_tbl {
244 } CHIP_INFO, *PCHIP_INFO;
249 } DEVICE_OWNER_TYPE, *PDEVICE_OWNER_TYPE;
251 /* The receive duplicate detection cache entry */
252 typedef struct tagSCacheEntry {
253 unsigned short wFmSequence;
254 unsigned char abyAddr2[ETH_ALEN];
255 } SCacheEntry, *PSCacheEntry;
257 typedef struct tagSCache {
258 /* The receive cache is updated circularly. The next entry to be written is
259 * indexed by the "InPtr".
261 unsigned int uInPtr; /* Place to use next */
262 SCacheEntry asCacheEntry[DUPLICATE_RX_CACHE_LENGTH];
265 #define CB_MAX_RX_FRAG 64
266 /* DeFragment Control Block, used for collecting fragments prior to reassembly */
267 typedef struct tagSDeFragControlBlock {
268 unsigned short wSequence;
269 unsigned short wFragNum;
270 unsigned char abyAddr2[ETH_ALEN];
271 unsigned int uLifetime;
273 unsigned char *pbyRxBuffer;
274 unsigned int cbFrameLength;
276 } SDeFragControlBlock, *PSDeFragControlBlock;
278 /* flags for options */
279 #define DEVICE_FLAGS_IP_ALIGN 0x00000001UL
280 #define DEVICE_FLAGS_PREAMBLE_TYPE 0x00000002UL
281 #define DEVICE_FLAGS_OP_MODE 0x00000004UL
282 #define DEVICE_FLAGS_PS_MODE 0x00000008UL
283 #define DEVICE_FLAGS_80211h_MODE 0x00000010UL
284 #define DEVICE_FLAGS_DiversityANT 0x00000020UL
286 /* flags for driver status */
287 #define DEVICE_FLAGS_OPENED 0x00010000UL
288 #define DEVICE_FLAGS_WOL_ENABLED 0x00080000UL
289 /* flags for capabilities */
290 #define DEVICE_FLAGS_TX_ALIGN 0x01000000UL
291 #define DEVICE_FLAGS_HAVE_CAM 0x02000000UL
292 #define DEVICE_FLAGS_FLOW_CTRL 0x04000000UL
294 /* flags for MII status */
295 #define DEVICE_LINK_FAIL 0x00000001UL
296 #define DEVICE_SPEED_10 0x00000002UL
297 #define DEVICE_SPEED_100 0x00000004UL
298 #define DEVICE_SPEED_1000 0x00000008UL
299 #define DEVICE_DUPLEX_FULL 0x00000010UL
300 #define DEVICE_AUTONEG_ENABLE 0x00000020UL
301 #define DEVICE_FORCED_BY_EEPROM 0x00000040UL
302 /* for device_set_media_duplex */
303 #define DEVICE_LINK_CHANGE 0x00000001UL
305 typedef struct __device_opt {
306 int nRxDescs0; /* Number of RX descriptors0 */
307 int nRxDescs1; /* Number of RX descriptors1 */
308 int nTxDescs[2]; /* Number of TX descriptors 0, 1 */
309 int int_works; /* interrupt limits */
310 int rts_thresh; /* rts threshold */
318 } OPTIONS, *POPTIONS;
321 struct pci_dev *pcid;
323 struct ieee80211_hw *hw;
324 struct ieee80211_vif *vif;
325 unsigned long key_entry_inuse;
331 struct net_device *dev;
333 /* dma addr, rx/tx pool */
335 dma_addr_t rd0_pool_dma;
336 dma_addr_t rd1_pool_dma;
338 dma_addr_t td0_pool_dma;
339 dma_addr_t td1_pool_dma;
341 dma_addr_t tx_bufs_dma0;
342 dma_addr_t tx_bufs_dma1;
343 dma_addr_t tx_beacon_dma;
345 unsigned char *tx0_bufs;
346 unsigned char *tx1_bufs;
347 unsigned char *tx_beacon_bufs;
351 void __iomem *PortOffset;
357 unsigned char byRevId;
358 unsigned char byRxMode;
359 unsigned short SubSystemID;
360 unsigned short SubVendorID;
365 volatile int iTDUsed[TYPE_MAXTD];
367 volatile PSTxDesc apCurrTD[TYPE_MAXTD];
368 volatile PSTxDesc apTailTD[TYPE_MAXTD];
370 volatile PSTxDesc apTD0Rings;
371 volatile PSTxDesc apTD1Rings;
373 volatile PSRxDesc aRD0Ring;
374 volatile PSRxDesc aRD1Ring;
375 volatile PSRxDesc pCurrRD[TYPE_MAXRD];
378 SDeFragControlBlock sRxDFCB[CB_MAX_RX_FRAG];
380 unsigned int cbFreeDFCB;
381 unsigned int uCurrentDFCBIdx;
392 struct completion notify;
393 struct semaphore mlme_semaphore;
397 /* Version control */
398 unsigned char byLocalID;
399 unsigned char byRFType;
401 unsigned char byMaxPwrLevel;
402 unsigned char byZoneType;
404 unsigned char byOriginalZonetype;
405 unsigned char abyMacContext[MAC_MAX_CONTEXT_REG];
406 unsigned char abyCurrentNetAddr[ETH_ALEN];
407 bool bLinkPass; /* link status: OK or fail */
409 /* Adapter statistics */
410 SStatCounter scStatistic;
412 SDot11Counters s802_11Counter;
414 /* 802.11 management */
416 SMgmtObject sMgmtObj;
418 /* 802.11 MAC specific */
419 unsigned int uCurrRSSI;
420 unsigned char byCurrSQ;
422 unsigned long dwTxAntennaSel;
423 unsigned long dwRxAntennaSel;
424 unsigned char byAntennaCount;
425 unsigned char byRxAntennaMode;
426 unsigned char byTxAntennaMode;
429 unsigned char *pbyTmpBuff;
430 unsigned int uSIFS; /* Current SIFS */
431 unsigned int uDIFS; /* Current DIFS */
432 unsigned int uEIFS; /* Current EIFS */
433 unsigned int uSlot; /* Current SlotTime */
434 unsigned int uCwMin; /* Current CwMin */
435 unsigned int uCwMax; /* CwMax is fixed on 1023. */
437 unsigned char bySIFS;
438 unsigned char byDIFS;
439 unsigned char byEIFS;
440 unsigned char bySlot;
441 unsigned char byCWMaxMin;
442 CARD_PHY_TYPE eCurrentPHYType;
444 VIA_BB_TYPE byBBType; /* 0:11A, 1:11B, 2:11G */
445 VIA_PKT_TYPE byPacketType; /*
446 * 0:11a,1:11b,2:11gb (only CCK
447 * in BasicRate), 3:11ga (OFDM in
450 unsigned short wBasicRate;
451 unsigned char byACKRate;
452 unsigned char byTopOFDMBasicRate;
453 unsigned char byTopCCKBasicRate;
455 unsigned char byMinChannel;
456 unsigned char byMaxChannel;
457 unsigned int uConnectionRate;
459 unsigned char byPreambleType;
460 unsigned char byShortPreamble;
462 unsigned short wCurrentRate;
463 unsigned short wRTSThreshold;
464 unsigned short wFragmentationThreshold;
465 unsigned char byShortRetryLimit;
466 unsigned char byLongRetryLimit;
467 enum nl80211_iftype op_mode;
468 unsigned char byOpMode;
470 unsigned short wMaxTransmitMSDULifetime;
471 unsigned char abyBSSID[ETH_ALEN];
472 unsigned char abyDesireBSSID[ETH_ALEN];
473 unsigned short wACKDuration; /* update while speed change */
474 unsigned short wRTSTransmitLen; /* update while speed change */
475 unsigned char byRTSServiceField; /* update while speed change */
476 unsigned char byRTSSignalField; /* update while speed change */
478 unsigned long dwMaxReceiveLifetime; /* dot11MaxReceiveLifetime */
480 bool bEncryptionEnable;
485 bool bBarkerPreambleMd;
487 unsigned char byERPFlag;
488 unsigned short wUseProtectCntDown;
490 bool bRadioControlOff;
493 unsigned short wListenInterval;
495 WMAC_POWER_MODE ePSMode;
497 /* GPIO Radio Control */
498 unsigned char byRadioCtl;
499 unsigned char byGPIO;
501 bool bPrvActive4RadioOFF;
505 unsigned short wSeqCounter;
506 unsigned short wBCNBufLen;
507 bool bBeaconBufReady;
509 bool bIsBeaconBufReadySet;
510 unsigned int cbBeaconBufReadySetCnt;
512 unsigned char byCurrentCh;
513 unsigned int uScanTime;
515 CMD_STATE eCommandState;
523 unsigned int uAutoReConnectTime;
527 CMD_ITEM eCmdQueue[CMD_Q_SIZE];
528 unsigned int uCmdDequeueIdx;
529 unsigned int uCmdEnqueueIdx;
530 unsigned int cbFreeCmdQueue;
535 unsigned char abyIPAddr[4];
537 unsigned long ulTxPower;
538 NDIS_802_11_WEP_STATUS eEncryptionStatus;
540 NDIS_802_11_WEP_STATUS eOldEncryptionStatus;
543 unsigned long dwIVCounter;
545 u64 qwPacketNumber; /* For CCMP and TKIP as TSC(6 bytes) */
546 unsigned int uCurrentWEPMode;
548 unsigned char abyPRNG[WLAN_WEPMAX_KEYLEN+3];
549 unsigned char byKeyIndex;
550 unsigned int uKeyLength;
551 unsigned char abyKey[WLAN_WEP232_KEYLEN];
554 unsigned char byCntMeasure;
557 unsigned int uAssocCount;
563 /* for OID_802_11_ASSOCIATION_INFORMATION */
566 unsigned char byAutoFBCtrl;
571 unsigned int uRATEIdx;
573 /* For Update BaseBand VGA Gain Offset */
575 unsigned int uBBVGADiffCount;
576 unsigned char byBBVGANew;
577 unsigned char byBBVGACurrent;
578 unsigned char abyBBVGA[BB_VGA_LEVEL];
579 long ldBmThreshold[BB_VGA_LEVEL];
581 unsigned char byBBPreEDRSSI;
582 unsigned char byBBPreEDIndex;
585 unsigned long dwDiagRefCount;
588 unsigned char byFOETuning;
590 /* For Auto Power Tunning */
591 unsigned char byAutoPwrTunning;
593 short sPSetPointOFDMG;
594 short sPSetPointOFDMA;
595 long lPFormulaOffset;
600 /* For RF Power table */
601 unsigned char byCCKPwr;
602 unsigned char byOFDMPwrG;
603 unsigned char byCurPwr;
605 unsigned char abyCCKPwrTbl[CB_MAX_CHANNEL_24G+1];
606 unsigned char abyOFDMPwrTbl[CB_MAX_CHANNEL+1];
607 char abyCCKDefaultPwr[CB_MAX_CHANNEL_24G+1];
608 char abyOFDMDefaultPwr[CB_MAX_CHANNEL+1];
609 char abyRegPwr[CB_MAX_CHANNEL+1];
610 char abyLocalPwr[CB_MAX_CHANNEL+1];
612 /* BaseBand Loopback Use */
613 unsigned char byBBCR4d;
614 unsigned char byBBCRc9;
615 unsigned char byBBCR88;
616 unsigned char byBBCR09;
619 struct timer_list sTimerCommand;
620 struct timer_list sTimerTxData;
621 unsigned long nTxDataTimeCout;
623 bool IsTxDataTrigger;
625 #ifdef WPA_SM_Transtatus
626 bool fWPA_Authened; /* is WPA/WPA-PSK or WPA2/WPA2-PSK authen?? */
628 unsigned char byReAssocCount;
629 unsigned char byLinkWaitCount;
631 unsigned char abyNodeName[17];
633 bool bDiversityRegCtlON;
634 bool bDiversityEnable;
635 unsigned long ulDiversityNValue;
636 unsigned long ulDiversityMValue;
637 unsigned char byTMax;
638 unsigned char byTMax2;
639 unsigned char byTMax3;
640 unsigned long ulSQ3TH;
643 unsigned long uDiversityCnt;
644 unsigned char byAntennaState;
645 unsigned long ulRatio_State0;
646 unsigned long ulRatio_State1;
648 /* SQ3 functions for antenna diversity */
649 struct timer_list TimerSQ3Tmax1;
650 struct timer_list TimerSQ3Tmax2;
651 struct timer_list TimerSQ3Tmax3;
653 unsigned long uNumSQ3[MAX_RATE];
654 unsigned short wAntDiversityMaxRate;
656 SEthernetHeader sTxEthHeader;
657 SEthernetHeader sRxEthHeader;
658 unsigned char abyBroadcastAddr[ETH_ALEN];
659 unsigned char abySNAP_RFC1042[ETH_ALEN];
660 unsigned char abySNAP_Bridgetunnel[ETH_ALEN];
661 unsigned char abyEEPROM[EEP_MAX_CONTEXT_SIZE]; /* unsigned long alignment */
662 /* Pre-Authentication & PMK cache */
664 SPMKIDCandidateEvent gsPMKIDCandidate;
668 unsigned char abyCountryCode[3];
669 /* for 802.11h DFS */
670 unsigned int uNumOfMeasureEIDs;
671 PWLAN_IE_MEASURE_REQ pCurrMeasureEID;
672 bool bMeasureInProgress;
673 unsigned char byOrgChannel;
674 unsigned char byOrgRCR;
675 unsigned long dwOrgMAR0;
676 unsigned long dwOrgMAR4;
677 unsigned char byBasicMap;
678 unsigned char byCCAFraction;
679 unsigned char abyRPIs[8];
680 unsigned long dwRPIs[8];
682 unsigned char byNewChannel;
683 unsigned char byChannelSwitchCount;
685 bool bEnableFirstQuiet;
686 unsigned char byQuietStartCount;
687 unsigned int uQuietEnqueue;
688 unsigned long dwCurrentQuietEndTime;
689 SQuietControl sQuiet[MAX_QUIET_COUNT];
690 /* for 802.11h TPC */
692 bool bCountryInfo24G;
694 unsigned short wBeaconInterval;
696 /* WPA supplicant deamon */
697 struct net_device *wpadev;
700 #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT
701 unsigned int bwextcount;
702 bool bWPASuppWextEnabled;
706 /* user space daemon: hostapd, is used for HOSTAP */
710 struct net_device *apdev;
711 int (*tx_80211)(struct sk_buff *skb, struct net_device *dev);
713 unsigned int uChannel;
716 struct iw_statistics wstats; /* wireless stats */
720 static inline bool device_get_ip(struct vnt_private *pInfo)
722 struct in_device *in_dev = (struct in_device *)pInfo->dev->ip_ptr;
723 struct in_ifaddr *ifa;
725 if (in_dev != NULL) {
726 ifa = (struct in_ifaddr *)in_dev->ifa_list;
728 memcpy(pInfo->abyIPAddr, &ifa->ifa_address, 4);
735 static inline PDEVICE_RD_INFO alloc_rd_info(void)
737 return kzalloc(sizeof(DEVICE_RD_INFO), GFP_ATOMIC);
740 static inline PDEVICE_TD_INFO alloc_td_info(void)
742 return kzalloc(sizeof(DEVICE_TD_INFO), GFP_ATOMIC);
745 /*--------------------- Export Functions --------------------------*/
747 bool device_alloc_frag_buf(struct vnt_private *pDevice,
748 PSDeFragControlBlock pDeF);