328 lines
6 KiB
C
328 lines
6 KiB
C
#define DEBUG if(1){}else print
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#define SEEKEYS 0
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// Lucent's Length-Type-Value records to talk to the wavelan.
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// most operational parameters are read/set using this.
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enum
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{
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WTyp_Stats = 0xf100,
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WTyp_Scan = 0xf101,
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WTyp_Link = 0xf200,
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WTyp_Ptype = 0xfc00,
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WTyp_Mac = 0xfc01,
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WTyp_WantName = 0xfc02,
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WTyp_Chan = 0xfc03,
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WTyp_NetName = 0xfc04,
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WTyp_ApDens = 0xfc06,
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WTyp_MaxLen = 0xfc07,
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WTyp_PM = 0xfc09,
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WTyp_PMWait = 0xfc0c,
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WTyp_NodeName = 0xfc0e,
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WTyp_Crypt = 0xfc20,
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WTyp_XClear = 0xfc22,
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WTyp_CreateIBSS = 0xfc81,
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WTyp_RtsThres = 0xfc83,
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WTyp_TxRate = 0xfc84,
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WTx1Mbps = 0x0,
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WTx2Mbps = 0x1,
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WTxAuto = 0x3,
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WTyp_Prom = 0xfc85,
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WTyp_Keys = 0xfcb0,
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WTyp_TxKey = 0xfcb1,
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WTyp_StationID = 0xfd20,
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WTyp_CurName = 0xfd41,
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WTyp_BaseID = 0xfd42, // ID of the currently connected-to base station
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WTyp_CurTxRate = 0xfd44, // Current TX rate
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WTyp_HasCrypt = 0xfd4f,
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WTyp_Tick = 0xfce0,
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};
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// Controller
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enum
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{
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WDfltIRQ = 3, // default irq
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WDfltIOB = 0x180, // default IO base
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WIOLen = 0x40, // Hermes IO length
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WTmOut = 65536, // Cmd time out
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WPTypeManaged = 1,
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WPTypeWDS = 2,
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WPTypeAdHoc = 3,
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WDfltPType = WPTypeManaged,
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WDfltApDens = 1,
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WDfltRtsThres = 2347, // == disabled
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WDfltTxRate = WTxAuto, // 2Mbps
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WMaxLen = 2304,
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WNameLen = 32,
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WNKeys = 4,
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WKeyLen = 14,
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WMinKeyLen = 5,
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WMaxKeyLen = 13,
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// Wavelan hermes registers
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WR_Cmd = 0x00,
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WCmdIni = 0x0000,
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WCmdEna = 0x0001,
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WCmdDis = 0x0002,
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WCmdTx = 0x000b,
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WCmdMalloc = 0x000a,
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WCmdEnquire = 0x0011,
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WCmdMsk = 0x003f,
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WCmdAccRd = 0x0021,
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WCmdReclaim = 0x0100,
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WCmdAccWr = 0x0121,
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WCmdBusy = 0x8000,
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WR_Parm0 = 0x02,
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WR_Parm1 = 0x04,
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WR_Parm2 = 0x06,
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WR_Sts = 0x08,
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WR_InfoId = 0x10,
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WR_Sel0 = 0x18,
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WR_Sel1 = 0x1a,
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WR_Off0 = 0x1c,
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WR_Off1 = 0x1e,
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WBusyOff = 0x8000,
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WErrOff = 0x4000,
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WResSts = 0x7f00,
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WR_RXId = 0x20,
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WR_Alloc = 0x22,
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WR_EvSts = 0x30,
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WR_IntEna = 0x32,
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WCmdEv = 0x0010,
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WRXEv = 0x0001,
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WTXEv = 0x0002,
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WTxErrEv = 0x0004,
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WAllocEv = 0x0008,
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WInfoEv = 0x0080,
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WIDropEv = 0x2000,
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WTickEv = 0x8000,
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WEvs = WRXEv|WTXEv|WAllocEv|WInfoEv|WIDropEv,
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WR_EvAck = 0x34,
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WR_Data0 = 0x36,
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WR_Data1 = 0x38,
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WR_PciCor = 0x26,
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WR_PciHcr = 0x2E,
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// Frame stuff
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WF_Err = 0x0003,
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WF_1042 = 0x2000,
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WF_Tunnel = 0x4000,
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WF_WMP = 0x6000,
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WF_Data = 0x0008,
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WSnapK1 = 0xaa,
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WSnapK2 = 0x00,
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WSnapCtlr = 0x03,
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WSnap0 = (WSnapK1|(WSnapK1<<8)),
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WSnap1 = (WSnapK2|(WSnapCtlr<<8)),
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WSnapHdrLen = 6,
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WF_802_11_Off = 0x44,
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WF_802_3_Off = 0x2e,
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};
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typedef struct Ctlr Ctlr;
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typedef struct Wltv Wltv;
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typedef struct WFrame WFrame;
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typedef struct Stats Stats;
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typedef struct WStats WStats;
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typedef struct WScan WScan;
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typedef struct WKey WKey;
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struct WStats
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{
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ulong ntxuframes; // unicast frames
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ulong ntxmframes; // multicast frames
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ulong ntxfrags; // fragments
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ulong ntxubytes; // unicast bytes
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ulong ntxmbytes; // multicast bytes
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ulong ntxdeferred; // deferred transmits
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ulong ntxsretries; // single retries
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ulong ntxmultiretries; // multiple retries
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ulong ntxretrylimit;
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ulong ntxdiscards;
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ulong nrxuframes; // unicast frames
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ulong nrxmframes; // multicast frames
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ulong nrxfrags; // fragments
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ulong nrxubytes; // unicast bytes
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ulong nrxmbytes; // multicast bytes
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ulong nrxfcserr;
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ulong nrxdropnobuf;
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ulong nrxdropnosa;
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ulong nrxcantdecrypt;
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ulong nrxmsgfrag;
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ulong nrxmsgbadfrag;
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ulong end;
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};
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struct WScan
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{
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ushort chan; /* dss channel */
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ushort noise; /* average noise in the air */
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ushort signal; /* signal strength */
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uchar bssid[Eaddrlen]; /* MAC address of the ap */
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ushort interval; /* beacon transmit interval */
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ushort capinfo; /* capability bits (0-ess, 1-ibss, 4-privacy [wep]) */
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ushort ssid_len; /* ssid length */
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char ssid[WNameLen]; /* ssid (ap name) */
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};
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struct WFrame
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{
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ushort sts;
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ushort rsvd0;
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ushort rsvd1;
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ushort qinfo;
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ushort rsvd2;
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ushort rsvd3;
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ushort txctl;
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ushort framectl;
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ushort id;
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uchar addr1[Eaddrlen];
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uchar addr2[Eaddrlen];
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uchar addr3[Eaddrlen];
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ushort seqctl;
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uchar addr4[Eaddrlen];
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ushort dlen;
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uchar dstaddr[Eaddrlen];
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uchar srcaddr[Eaddrlen];
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ushort len;
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ushort dat[3];
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ushort type;
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};
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struct WKey
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{
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ushort len;
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char dat[WKeyLen];
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};
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struct Wltv
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{
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ushort len;
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ushort type;
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union
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{
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struct {
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ushort val;
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ushort pad;
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};
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struct {
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uchar addr[8];
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};
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struct {
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ushort slen;
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char s[WNameLen];
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};
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struct {
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char name[WNameLen];
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};
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struct {
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WKey keys[WNKeys];
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};
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};
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};
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// What the driver thinks. Not what the card thinks.
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struct Stats
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{
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ulong nints;
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ulong ndoubleint;
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ulong nrx;
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ulong ntx;
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ulong ntxrq;
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ulong nrxerr;
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ulong ntxerr;
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ulong nalloc; // allocation (reclaim) events
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ulong ninfo;
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ulong nidrop;
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ulong nwatchdogs; // transmit time outs, actually
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int ticks;
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int tickintr;
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int signal;
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int noise;
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};
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enum {
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Attached = 0x01,
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Power = 0x02,
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};
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struct Ctlr
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{
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Lock;
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int state; // Attached | Power
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int slot;
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int iob;
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int createibss;
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int ptype;
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int apdensity;
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int rtsthres;
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int txbusy;
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int txrate;
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int txdid;
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int txmid;
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int txtmout;
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int maxlen;
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int chan;
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int pmena;
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int pmwait;
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Proc *timerproc;
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int scanticks;
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char netname[WNameLen];
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char wantname[WNameLen];
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char nodename[WNameLen];
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WFrame txf;
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uchar txbuf[1536];
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int hascrypt; // card has encryption
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int crypt; // encryption off/on
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int txkey; // transmit key
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Wltv keys; // default keys
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int xclear; // exclude clear packets off/on
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int ctlrno;
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ushort *mmb;
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/* for PCI-based devices */
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Ctlr *next;
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int active;
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Pcidev *pcidev;
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Stats;
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WStats;
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};
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extern char* wavenames[];
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void csr_outs(Ctlr*, int, ushort);
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ushort csr_ins(Ctlr*, int);
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void w_intdis(Ctlr*);
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int w_cmd(Ctlr *, ushort, ushort);
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void ltv_outs(Ctlr*, int, ushort);
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int ltv_ins(Ctlr*, int);
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int w_option(Ctlr*, char*, long);
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int w_inltv(Ctlr*, Wltv*);
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void w_attach(Ether*);
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void w_interrupt(Ureg*,void*);
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void w_transmit(Ether*);
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long w_ifstat(Ether*, void*, long, ulong);
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long w_ctl(Ether*, void*, long);
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void w_promiscuous(void*, int);
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void w_multicast(void*, uchar*, int);
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int wavelanreset(Ether*, Ctlr*);
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