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: handle WMAC/802.3/802.11 rx & tx functions
28 * s_vGenerateTxParameter - Generate tx dma required parameter.
29 * s_vGenerateMACHeader - Translate 802.3 to 802.11 header
30 * csBeacon_xmit - beacon tx function
31 * csMgmt_xmit - management tx function
32 * s_uGetDataDuration - get tx data required duration
33 * s_uFillDataHead- fulfill tx data duration header
34 * s_uGetRTSCTSDuration- get rtx/cts required duration
35 * s_uGetRTSCTSRsvTime- get rts/cts reserved time
36 * s_uGetTxRsvTime- get frame reserved time
37 * s_vFillCTSHead- fulfill CTS ctl header
38 * s_vFillFragParameter- Set fragment ctl parameter.
39 * s_vFillRTSHead- fulfill RTS ctl header
40 * s_vFillTxKey- fulfill tx encrypt key
41 * s_vSWencryption- Software encrypt header
42 * vDMA0_tx_80211- tx 802.11 frame via dma0
43 * vGenerateFIFOHeader- Generate tx FIFO ctl header
65 static int msglevel
= MSG_LEVEL_INFO
;
67 const u16 wTimeStampOff
[2][MAX_RATE
] = {
68 {384, 288, 226, 209, 54, 43, 37, 31, 28, 25, 24, 23}, // Long Preamble
69 {384, 192, 130, 113, 54, 43, 37, 31, 28, 25, 24, 23}, // Short Preamble
72 const u16 wFB_Opt0
[2][5] = {
73 {RATE_12M
, RATE_18M
, RATE_24M
, RATE_36M
, RATE_48M
}, // fallback_rate0
74 {RATE_12M
, RATE_12M
, RATE_18M
, RATE_24M
, RATE_36M
}, // fallback_rate1
76 const u16 wFB_Opt1
[2][5] = {
77 {RATE_12M
, RATE_18M
, RATE_24M
, RATE_24M
, RATE_36M
}, // fallback_rate0
78 {RATE_6M
, RATE_6M
, RATE_12M
, RATE_12M
, RATE_18M
}, // fallback_rate1
85 #define RTSDUR_BA_F0 4
86 #define RTSDUR_AA_F0 5
87 #define RTSDUR_BA_F1 6
88 #define RTSDUR_AA_F1 7
89 #define CTSDUR_BA_F0 8
90 #define CTSDUR_BA_F1 9
93 #define DATADUR_A_F0 12
94 #define DATADUR_A_F1 13
96 static void s_vSaveTxPktInfo(struct vnt_private
*pDevice
, u8 byPktNum
,
97 u8
*pbyDestAddr
, u16 wPktLength
, u16 wFIFOCtl
);
99 static void *s_vGetFreeContext(struct vnt_private
*pDevice
);
101 static void s_vGenerateTxParameter(struct vnt_private
*pDevice
,
102 u8 byPktType
, u16 wCurrentRate
, void *pTxBufHead
, void *pvRrvTime
,
103 void *pvRTS
, void *pvCTS
, u32 cbFrameSize
, int bNeedACK
, u32 uDMAIdx
,
104 struct ethhdr
*psEthHeader
);
106 static u32
s_uFillDataHead(struct vnt_private
*pDevice
,
107 u8 byPktType
, u16 wCurrentRate
, void *pTxDataHead
, u32 cbFrameLength
,
108 u32 uDMAIdx
, int bNeedAck
, u8 byFBOption
);
110 static void s_vGenerateMACHeader(struct vnt_private
*pDevice
,
111 u8
*pbyBufferAddr
, u16 wDuration
, struct ethhdr
*psEthHeader
,
112 int bNeedEncrypt
, u16 wFragType
, u32 uDMAIdx
, u32 uFragIdx
);
114 static void s_vFillTxKey(struct vnt_private
*pDevice
, u8
*pbyBuf
,
115 u8
*pbyIVHead
, PSKeyItem pTransmitKey
, u8
*pbyHdrBuf
, u16 wPayloadLen
,
116 struct vnt_mic_hdr
*mic_hdr
);
118 static void s_vSWencryption(struct vnt_private
*pDevice
,
119 PSKeyItem pTransmitKey
, u8
*pbyPayloadHead
, u16 wPayloadSize
);
121 static unsigned int s_uGetTxRsvTime(struct vnt_private
*pDevice
, u8 byPktType
,
122 u32 cbFrameLength
, u16 wRate
, int bNeedAck
);
124 static u16
s_uGetRTSCTSRsvTime(struct vnt_private
*pDevice
, u8 byRTSRsvType
,
125 u8 byPktType
, u32 cbFrameLength
, u16 wCurrentRate
);
127 static void s_vFillCTSHead(struct vnt_private
*pDevice
, u32 uDMAIdx
,
128 u8 byPktType
, void *pvCTS
, u32 cbFrameLength
, int bNeedAck
,
129 u16 wCurrentRate
, u8 byFBOption
);
131 static void s_vFillRTSHead(struct vnt_private
*pDevice
, u8 byPktType
,
132 void *pvRTS
, u32 cbFrameLength
, int bNeedAck
,
133 struct ethhdr
*psEthHeader
, u16 wCurrentRate
, u8 byFBOption
);
135 static u16
s_uGetDataDuration(struct vnt_private
*pDevice
,
136 u8 byPktType
, int bNeedAck
);
138 static u16
s_uGetRTSCTSDuration(struct vnt_private
*pDevice
,
139 u8 byDurType
, u32 cbFrameLength
, u8 byPktType
, u16 wRate
,
140 int bNeedAck
, u8 byFBOption
);
142 static void *s_vGetFreeContext(struct vnt_private
*pDevice
)
144 PUSB_SEND_CONTEXT pContext
= NULL
;
145 PUSB_SEND_CONTEXT pReturnContext
= NULL
;
148 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"GetFreeContext()\n");
150 for (ii
= 0; ii
< pDevice
->cbTD
; ii
++) {
151 pContext
= pDevice
->apTD
[ii
];
152 if (pContext
->bBoolInUse
== false) {
153 pContext
->bBoolInUse
= true;
154 memset(pContext
->Data
, 0, MAX_TOTAL_SIZE_WITH_ALL_HEADERS
);
155 pReturnContext
= pContext
;
159 if ( ii
== pDevice
->cbTD
) {
160 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"No Free Tx Context\n");
162 return (void *) pReturnContext
;
165 static void s_vSaveTxPktInfo(struct vnt_private
*pDevice
, u8 byPktNum
,
166 u8
*pbyDestAddr
, u16 wPktLength
, u16 wFIFOCtl
)
168 PSStatCounter pStatistic
= &pDevice
->scStatistic
;
170 if (is_broadcast_ether_addr(pbyDestAddr
))
171 pStatistic
->abyTxPktInfo
[byPktNum
].byBroadMultiUni
= TX_PKT_BROAD
;
172 else if (is_multicast_ether_addr(pbyDestAddr
))
173 pStatistic
->abyTxPktInfo
[byPktNum
].byBroadMultiUni
= TX_PKT_MULTI
;
175 pStatistic
->abyTxPktInfo
[byPktNum
].byBroadMultiUni
= TX_PKT_UNI
;
177 pStatistic
->abyTxPktInfo
[byPktNum
].wLength
= wPktLength
;
178 pStatistic
->abyTxPktInfo
[byPktNum
].wFIFOCtl
= wFIFOCtl
;
179 memcpy(pStatistic
->abyTxPktInfo
[byPktNum
].abyDestAddr
,
184 static void s_vFillTxKey(struct vnt_private
*pDevice
, u8
*pbyBuf
,
185 u8
*pbyIVHead
, PSKeyItem pTransmitKey
, u8
*pbyHdrBuf
,
186 u16 wPayloadLen
, struct vnt_mic_hdr
*mic_hdr
)
188 u32
*pdwIV
= (u32
*)pbyIVHead
;
189 u32
*pdwExtIV
= (u32
*)((u8
*)pbyIVHead
+ 4);
190 struct ieee80211_hdr
*pMACHeader
= (struct ieee80211_hdr
*)pbyHdrBuf
;
194 if (pTransmitKey
== NULL
)
197 dwRevIVCounter
= cpu_to_le32(pDevice
->dwIVCounter
);
198 *pdwIV
= pDevice
->dwIVCounter
;
199 pDevice
->byKeyIndex
= pTransmitKey
->dwKeyIndex
& 0xf;
201 if (pTransmitKey
->byCipherSuite
== KEY_CTL_WEP
) {
202 if (pTransmitKey
->uKeyLength
== WLAN_WEP232_KEYLEN
){
203 memcpy(pDevice
->abyPRNG
, (u8
*)&(dwRevIVCounter
), 3);
204 memcpy(pDevice
->abyPRNG
+3, pTransmitKey
->abyKey
, pTransmitKey
->uKeyLength
);
206 memcpy(pbyBuf
, (u8
*)&(dwRevIVCounter
), 3);
207 memcpy(pbyBuf
+3, pTransmitKey
->abyKey
, pTransmitKey
->uKeyLength
);
208 if(pTransmitKey
->uKeyLength
== WLAN_WEP40_KEYLEN
) {
209 memcpy(pbyBuf
+8, (u8
*)&(dwRevIVCounter
), 3);
210 memcpy(pbyBuf
+11, pTransmitKey
->abyKey
, pTransmitKey
->uKeyLength
);
212 memcpy(pDevice
->abyPRNG
, pbyBuf
, 16);
214 // Append IV after Mac Header
215 *pdwIV
&= WEP_IV_MASK
;//00000000 11111111 11111111 11111111
216 *pdwIV
|= (u32
)pDevice
->byKeyIndex
<< 30;
217 *pdwIV
= cpu_to_le32(*pdwIV
);
218 pDevice
->dwIVCounter
++;
219 if (pDevice
->dwIVCounter
> WEP_IV_MASK
) {
220 pDevice
->dwIVCounter
= 0;
222 } else if (pTransmitKey
->byCipherSuite
== KEY_CTL_TKIP
) {
223 pTransmitKey
->wTSC15_0
++;
224 if (pTransmitKey
->wTSC15_0
== 0) {
225 pTransmitKey
->dwTSC47_16
++;
227 TKIPvMixKey(pTransmitKey
->abyKey
, pDevice
->abyCurrentNetAddr
,
228 pTransmitKey
->wTSC15_0
, pTransmitKey
->dwTSC47_16
, pDevice
->abyPRNG
);
229 memcpy(pbyBuf
, pDevice
->abyPRNG
, 16);
231 memcpy(pdwIV
, pDevice
->abyPRNG
, 3);
233 *(pbyIVHead
+3) = (u8
)(((pDevice
->byKeyIndex
<< 6) & 0xc0) | 0x20); // 0x20 is ExtIV
234 // Append IV&ExtIV after Mac Header
235 *pdwExtIV
= cpu_to_le32(pTransmitKey
->dwTSC47_16
);
236 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"vFillTxKey()---- pdwExtIV: %x\n",
239 } else if (pTransmitKey
->byCipherSuite
== KEY_CTL_CCMP
) {
240 pTransmitKey
->wTSC15_0
++;
241 if (pTransmitKey
->wTSC15_0
== 0) {
242 pTransmitKey
->dwTSC47_16
++;
244 memcpy(pbyBuf
, pTransmitKey
->abyKey
, 16);
248 *(pbyIVHead
+3) = (u8
)(((pDevice
->byKeyIndex
<< 6) & 0xc0) | 0x20); // 0x20 is ExtIV
249 *pdwIV
|= cpu_to_le16((u16
)(pTransmitKey
->wTSC15_0
));
250 //Append IV&ExtIV after Mac Header
251 *pdwExtIV
= cpu_to_le32(pTransmitKey
->dwTSC47_16
);
258 mic_hdr
->payload_len
= cpu_to_be16(wPayloadLen
);
259 memcpy(mic_hdr
->mic_addr2
, pMACHeader
->addr2
, ETH_ALEN
);
261 mic_hdr
->tsc_47_16
= cpu_to_be32(pTransmitKey
->dwTSC47_16
);
262 mic_hdr
->tsc_15_0
= cpu_to_be16(pTransmitKey
->wTSC15_0
);
265 if (pDevice
->bLongHeader
)
266 mic_hdr
->hlen
= cpu_to_be16(28);
268 mic_hdr
->hlen
= cpu_to_be16(22);
270 memcpy(mic_hdr
->addr1
, pMACHeader
->addr1
, ETH_ALEN
);
271 memcpy(mic_hdr
->addr2
, pMACHeader
->addr2
, ETH_ALEN
);
274 memcpy(mic_hdr
->addr3
, pMACHeader
->addr3
, ETH_ALEN
);
275 mic_hdr
->frame_control
= cpu_to_le16(pMACHeader
->frame_control
277 mic_hdr
->seq_ctrl
= cpu_to_le16(pMACHeader
->seq_ctrl
& 0xf);
279 if (pDevice
->bLongHeader
)
280 memcpy(mic_hdr
->addr4
, pMACHeader
->addr4
, ETH_ALEN
);
284 static void s_vSWencryption(struct vnt_private
*pDevice
,
285 PSKeyItem pTransmitKey
, u8
*pbyPayloadHead
, u16 wPayloadSize
)
288 u32 dwICV
= 0xffffffff;
291 if (pTransmitKey
== NULL
)
294 if (pTransmitKey
->byCipherSuite
== KEY_CTL_WEP
) {
295 //=======================================================================
296 // Append ICV after payload
297 dwICV
= CRCdwGetCrc32Ex(pbyPayloadHead
, wPayloadSize
, dwICV
);//ICV(Payload)
298 pdwICV
= (u32
*)(pbyPayloadHead
+ wPayloadSize
);
299 // finally, we must invert dwCRC to get the correct answer
300 *pdwICV
= cpu_to_le32(~dwICV
);
302 rc4_init(&pDevice
->SBox
, pDevice
->abyPRNG
, pTransmitKey
->uKeyLength
+ 3);
303 rc4_encrypt(&pDevice
->SBox
, pbyPayloadHead
, pbyPayloadHead
, wPayloadSize
+cbICVlen
);
304 //=======================================================================
305 } else if (pTransmitKey
->byCipherSuite
== KEY_CTL_TKIP
) {
306 //=======================================================================
307 //Append ICV after payload
308 dwICV
= CRCdwGetCrc32Ex(pbyPayloadHead
, wPayloadSize
, dwICV
);//ICV(Payload)
309 pdwICV
= (u32
*)(pbyPayloadHead
+ wPayloadSize
);
310 // finally, we must invert dwCRC to get the correct answer
311 *pdwICV
= cpu_to_le32(~dwICV
);
313 rc4_init(&pDevice
->SBox
, pDevice
->abyPRNG
, TKIP_KEY_LEN
);
314 rc4_encrypt(&pDevice
->SBox
, pbyPayloadHead
, pbyPayloadHead
, wPayloadSize
+cbICVlen
);
315 //=======================================================================
319 static u16
vnt_time_stamp_off(struct vnt_private
*priv
, u16 rate
)
321 return cpu_to_le16(wTimeStampOff
[priv
->byPreambleType
% 2]
325 /*byPktType : PK_TYPE_11A 0
330 static u32
s_uGetTxRsvTime(struct vnt_private
*pDevice
, u8 byPktType
,
331 u32 cbFrameLength
, u16 wRate
, int bNeedAck
)
333 u32 uDataTime
, uAckTime
;
335 uDataTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, cbFrameLength
, wRate
);
336 if (byPktType
== PK_TYPE_11B
) {//llb,CCK mode
337 uAckTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, (u16
)pDevice
->byTopCCKBasicRate
);
338 } else {//11g 2.4G OFDM mode & 11a 5G OFDM mode
339 uAckTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, (u16
)pDevice
->byTopOFDMBasicRate
);
343 return (uDataTime
+ pDevice
->uSIFS
+ uAckTime
);
350 static u16
vnt_rxtx_rsvtime_le16(struct vnt_private
*priv
, u8 pkt_type
,
351 u32 frame_length
, u16 rate
, int need_ack
)
353 return cpu_to_le16((u16
)s_uGetTxRsvTime(priv
, pkt_type
,
354 frame_length
, rate
, need_ack
));
357 //byFreqType: 0=>5GHZ 1=>2.4GHZ
358 static u16
s_uGetRTSCTSRsvTime(struct vnt_private
*pDevice
,
359 u8 byRTSRsvType
, u8 byPktType
, u32 cbFrameLength
, u16 wCurrentRate
)
361 u32 uRrvTime
, uRTSTime
, uCTSTime
, uAckTime
, uDataTime
;
363 uRrvTime
= uRTSTime
= uCTSTime
= uAckTime
= uDataTime
= 0;
365 uDataTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, cbFrameLength
, wCurrentRate
);
366 if (byRTSRsvType
== 0) { //RTSTxRrvTime_bb
367 uRTSTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 20, pDevice
->byTopCCKBasicRate
);
368 uCTSTime
= uAckTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, pDevice
->byTopCCKBasicRate
);
370 else if (byRTSRsvType
== 1){ //RTSTxRrvTime_ba, only in 2.4GHZ
371 uRTSTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 20, pDevice
->byTopCCKBasicRate
);
372 uCTSTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, pDevice
->byTopCCKBasicRate
);
373 uAckTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, pDevice
->byTopOFDMBasicRate
);
375 else if (byRTSRsvType
== 2) { //RTSTxRrvTime_aa
376 uRTSTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 20, pDevice
->byTopOFDMBasicRate
);
377 uCTSTime
= uAckTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, pDevice
->byTopOFDMBasicRate
);
379 else if (byRTSRsvType
== 3) { //CTSTxRrvTime_ba, only in 2.4GHZ
380 uCTSTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, pDevice
->byTopCCKBasicRate
);
381 uAckTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, pDevice
->byTopOFDMBasicRate
);
382 uRrvTime
= uCTSTime
+ uAckTime
+ uDataTime
+ 2*pDevice
->uSIFS
;
387 uRrvTime
= uRTSTime
+ uCTSTime
+ uAckTime
+ uDataTime
+ 3*pDevice
->uSIFS
;
388 return cpu_to_le16((u16
)uRrvTime
);
391 //byFreqType 0: 5GHz, 1:2.4Ghz
392 static u16
s_uGetDataDuration(struct vnt_private
*pDevice
,
393 u8 byPktType
, int bNeedAck
)
398 if (byPktType
== PK_TYPE_11B
)
399 uAckTime
= BBuGetFrameTime(pDevice
->byPreambleType
,
400 byPktType
, 14, pDevice
->byTopCCKBasicRate
);
402 uAckTime
= BBuGetFrameTime(pDevice
->byPreambleType
,
403 byPktType
, 14, pDevice
->byTopOFDMBasicRate
);
404 return cpu_to_le16((u16
)(pDevice
->uSIFS
+ uAckTime
));
410 //byFreqType: 0=>5GHZ 1=>2.4GHZ
411 static u16
s_uGetRTSCTSDuration(struct vnt_private
*pDevice
, u8 byDurType
,
412 u32 cbFrameLength
, u8 byPktType
, u16 wRate
, int bNeedAck
,
415 u32 uCTSTime
= 0, uDurTime
= 0;
419 case RTSDUR_BB
: //RTSDuration_bb
420 uCTSTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, pDevice
->byTopCCKBasicRate
);
421 uDurTime
= uCTSTime
+ 2*pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wRate
, bNeedAck
);
424 case RTSDUR_BA
: //RTSDuration_ba
425 uCTSTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, pDevice
->byTopCCKBasicRate
);
426 uDurTime
= uCTSTime
+ 2*pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wRate
, bNeedAck
);
429 case RTSDUR_AA
: //RTSDuration_aa
430 uCTSTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, pDevice
->byTopOFDMBasicRate
);
431 uDurTime
= uCTSTime
+ 2*pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wRate
, bNeedAck
);
434 case CTSDUR_BA
: //CTSDuration_ba
435 uDurTime
= pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wRate
, bNeedAck
);
438 case RTSDUR_BA_F0
: //RTSDuration_ba_f0
439 uCTSTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, pDevice
->byTopCCKBasicRate
);
440 if ((byFBOption
== AUTO_FB_0
) && (wRate
>= RATE_18M
) && (wRate
<=RATE_54M
)) {
441 uDurTime
= uCTSTime
+ 2*pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wFB_Opt0
[FB_RATE0
][wRate
-RATE_18M
], bNeedAck
);
442 } else if ((byFBOption
== AUTO_FB_1
) && (wRate
>= RATE_18M
) && (wRate
<=RATE_54M
)) {
443 uDurTime
= uCTSTime
+ 2*pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wFB_Opt1
[FB_RATE0
][wRate
-RATE_18M
], bNeedAck
);
447 case RTSDUR_AA_F0
: //RTSDuration_aa_f0
448 uCTSTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, pDevice
->byTopOFDMBasicRate
);
449 if ((byFBOption
== AUTO_FB_0
) && (wRate
>= RATE_18M
) && (wRate
<=RATE_54M
)) {
450 uDurTime
= uCTSTime
+ 2*pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wFB_Opt0
[FB_RATE0
][wRate
-RATE_18M
], bNeedAck
);
451 } else if ((byFBOption
== AUTO_FB_1
) && (wRate
>= RATE_18M
) && (wRate
<=RATE_54M
)) {
452 uDurTime
= uCTSTime
+ 2*pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wFB_Opt1
[FB_RATE0
][wRate
-RATE_18M
], bNeedAck
);
456 case RTSDUR_BA_F1
: //RTSDuration_ba_f1
457 uCTSTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, pDevice
->byTopCCKBasicRate
);
458 if ((byFBOption
== AUTO_FB_0
) && (wRate
>= RATE_18M
) && (wRate
<=RATE_54M
)) {
459 uDurTime
= uCTSTime
+ 2*pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wFB_Opt0
[FB_RATE1
][wRate
-RATE_18M
], bNeedAck
);
460 } else if ((byFBOption
== AUTO_FB_1
) && (wRate
>= RATE_18M
) && (wRate
<=RATE_54M
)) {
461 uDurTime
= uCTSTime
+ 2*pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wFB_Opt1
[FB_RATE1
][wRate
-RATE_18M
], bNeedAck
);
465 case RTSDUR_AA_F1
: //RTSDuration_aa_f1
466 uCTSTime
= BBuGetFrameTime(pDevice
->byPreambleType
, byPktType
, 14, pDevice
->byTopOFDMBasicRate
);
467 if ((byFBOption
== AUTO_FB_0
) && (wRate
>= RATE_18M
) && (wRate
<=RATE_54M
)) {
468 uDurTime
= uCTSTime
+ 2*pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wFB_Opt0
[FB_RATE1
][wRate
-RATE_18M
], bNeedAck
);
469 } else if ((byFBOption
== AUTO_FB_1
) && (wRate
>= RATE_18M
) && (wRate
<=RATE_54M
)) {
470 uDurTime
= uCTSTime
+ 2*pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wFB_Opt1
[FB_RATE1
][wRate
-RATE_18M
], bNeedAck
);
474 case CTSDUR_BA_F0
: //CTSDuration_ba_f0
475 if ((byFBOption
== AUTO_FB_0
) && (wRate
>= RATE_18M
) && (wRate
<=RATE_54M
)) {
476 uDurTime
= pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wFB_Opt0
[FB_RATE0
][wRate
-RATE_18M
], bNeedAck
);
477 } else if ((byFBOption
== AUTO_FB_1
) && (wRate
>= RATE_18M
) && (wRate
<=RATE_54M
)) {
478 uDurTime
= pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wFB_Opt1
[FB_RATE0
][wRate
-RATE_18M
], bNeedAck
);
482 case CTSDUR_BA_F1
: //CTSDuration_ba_f1
483 if ((byFBOption
== AUTO_FB_0
) && (wRate
>= RATE_18M
) && (wRate
<=RATE_54M
)) {
484 uDurTime
= pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wFB_Opt0
[FB_RATE1
][wRate
-RATE_18M
], bNeedAck
);
485 } else if ((byFBOption
== AUTO_FB_1
) && (wRate
>= RATE_18M
) && (wRate
<=RATE_54M
)) {
486 uDurTime
= pDevice
->uSIFS
+ s_uGetTxRsvTime(pDevice
, byPktType
, cbFrameLength
, wFB_Opt1
[FB_RATE1
][wRate
-RATE_18M
], bNeedAck
);
494 return cpu_to_le16((u16
)uDurTime
);
497 static u32
s_uFillDataHead(struct vnt_private
*pDevice
,
498 u8 byPktType
, u16 wCurrentRate
, void *pTxDataHead
, u32 cbFrameLength
,
499 u32 uDMAIdx
, int bNeedAck
, u8 byFBOption
)
502 if (pTxDataHead
== NULL
) {
506 if (byPktType
== PK_TYPE_11GB
|| byPktType
== PK_TYPE_11GA
) {
507 if (byFBOption
== AUTO_FB_NONE
) {
508 struct vnt_tx_datahead_g
*pBuf
=
509 (struct vnt_tx_datahead_g
*)pTxDataHead
;
510 //Get SignalField,ServiceField,Length
511 BBvCalculateParameter(pDevice
, cbFrameLength
, wCurrentRate
,
512 byPktType
, &pBuf
->a
);
513 BBvCalculateParameter(pDevice
, cbFrameLength
,
514 pDevice
->byTopCCKBasicRate
, PK_TYPE_11B
, &pBuf
->b
);
515 //Get Duration and TimeStamp
516 pBuf
->wDuration_a
= s_uGetDataDuration(pDevice
,
517 byPktType
, bNeedAck
);
518 pBuf
->wDuration_b
= s_uGetDataDuration(pDevice
,
519 PK_TYPE_11B
, bNeedAck
);
521 pBuf
->wTimeStampOff_a
= vnt_time_stamp_off(pDevice
,
523 pBuf
->wTimeStampOff_b
= vnt_time_stamp_off(pDevice
,
524 pDevice
->byTopCCKBasicRate
);
525 return (pBuf
->wDuration_a
);
528 struct vnt_tx_datahead_g_fb
*pBuf
=
529 (struct vnt_tx_datahead_g_fb
*)pTxDataHead
;
530 //Get SignalField,ServiceField,Length
531 BBvCalculateParameter(pDevice
, cbFrameLength
, wCurrentRate
,
532 byPktType
, &pBuf
->a
);
533 BBvCalculateParameter(pDevice
, cbFrameLength
,
534 pDevice
->byTopCCKBasicRate
, PK_TYPE_11B
, &pBuf
->b
);
535 //Get Duration and TimeStamp
536 pBuf
->wDuration_a
= s_uGetDataDuration(pDevice
,
537 byPktType
, bNeedAck
);
538 pBuf
->wDuration_b
= s_uGetDataDuration(pDevice
,
539 PK_TYPE_11B
, bNeedAck
);
540 pBuf
->wDuration_a_f0
= s_uGetDataDuration(pDevice
,
541 byPktType
, bNeedAck
);
542 pBuf
->wDuration_a_f1
= s_uGetDataDuration(pDevice
,
543 byPktType
, bNeedAck
);
544 pBuf
->wTimeStampOff_a
= vnt_time_stamp_off(pDevice
,
546 pBuf
->wTimeStampOff_b
= vnt_time_stamp_off(pDevice
,
547 pDevice
->byTopCCKBasicRate
);
548 return (pBuf
->wDuration_a
);
549 } //if (byFBOption == AUTO_FB_NONE)
551 else if (byPktType
== PK_TYPE_11A
) {
552 if (byFBOption
!= AUTO_FB_NONE
) {
553 struct vnt_tx_datahead_a_fb
*pBuf
=
554 (struct vnt_tx_datahead_a_fb
*)pTxDataHead
;
555 //Get SignalField,ServiceField,Length
556 BBvCalculateParameter(pDevice
, cbFrameLength
, wCurrentRate
,
557 byPktType
, &pBuf
->a
);
558 //Get Duration and TimeStampOff
559 pBuf
->wDuration
= s_uGetDataDuration(pDevice
,
560 byPktType
, bNeedAck
);
561 pBuf
->wDuration_f0
= s_uGetDataDuration(pDevice
,
562 byPktType
, bNeedAck
);
563 pBuf
->wDuration_f1
= s_uGetDataDuration(pDevice
,
564 byPktType
, bNeedAck
);
565 pBuf
->wTimeStampOff
= vnt_time_stamp_off(pDevice
,
567 return (pBuf
->wDuration
);
569 struct vnt_tx_datahead_ab
*pBuf
=
570 (struct vnt_tx_datahead_ab
*)pTxDataHead
;
571 //Get SignalField,ServiceField,Length
572 BBvCalculateParameter(pDevice
, cbFrameLength
, wCurrentRate
,
573 byPktType
, &pBuf
->ab
);
574 //Get Duration and TimeStampOff
575 pBuf
->wDuration
= s_uGetDataDuration(pDevice
,
576 byPktType
, bNeedAck
);
577 pBuf
->wTimeStampOff
= vnt_time_stamp_off(pDevice
,
579 return (pBuf
->wDuration
);
582 else if (byPktType
== PK_TYPE_11B
) {
583 struct vnt_tx_datahead_ab
*pBuf
=
584 (struct vnt_tx_datahead_ab
*)pTxDataHead
;
585 //Get SignalField,ServiceField,Length
586 BBvCalculateParameter(pDevice
, cbFrameLength
, wCurrentRate
,
587 byPktType
, &pBuf
->ab
);
588 //Get Duration and TimeStampOff
589 pBuf
->wDuration
= s_uGetDataDuration(pDevice
,
590 byPktType
, bNeedAck
);
591 pBuf
->wTimeStampOff
= vnt_time_stamp_off(pDevice
,
593 return (pBuf
->wDuration
);
598 static int vnt_fill_ieee80211_rts(struct vnt_private
*priv
,
599 struct ieee80211_rts
*rts
, struct ethhdr
*eth_hdr
,
602 rts
->duration
= duration
;
603 rts
->frame_control
= TYPE_CTL_RTS
;
605 if (priv
->eOPMode
== OP_MODE_ADHOC
|| priv
->eOPMode
== OP_MODE_AP
)
606 memcpy(rts
->ra
, eth_hdr
->h_dest
, ETH_ALEN
);
608 memcpy(rts
->ra
, priv
->abyBSSID
, ETH_ALEN
);
610 if (priv
->eOPMode
== OP_MODE_AP
)
611 memcpy(rts
->ta
, priv
->abyBSSID
, ETH_ALEN
);
613 memcpy(rts
->ta
, eth_hdr
->h_source
, ETH_ALEN
);
618 static int vnt_rxtx_rts_g_head(struct vnt_private
*priv
,
619 struct vnt_rts_g
*buf
, struct ethhdr
*eth_hdr
,
620 u8 pkt_type
, u32 frame_len
, int need_ack
,
621 u16 current_rate
, u8 fb_option
)
623 u16 rts_frame_len
= 20;
625 BBvCalculateParameter(priv
, rts_frame_len
, priv
->byTopCCKBasicRate
,
626 PK_TYPE_11B
, &buf
->b
);
627 BBvCalculateParameter(priv
, rts_frame_len
,
628 priv
->byTopOFDMBasicRate
, pkt_type
, &buf
->a
);
630 buf
->wDuration_bb
= s_uGetRTSCTSDuration(priv
, RTSDUR_BB
, frame_len
,
631 PK_TYPE_11B
, priv
->byTopCCKBasicRate
, need_ack
, fb_option
);
632 buf
->wDuration_aa
= s_uGetRTSCTSDuration(priv
, RTSDUR_AA
, frame_len
,
633 pkt_type
, current_rate
, need_ack
, fb_option
);
634 buf
->wDuration_ba
= s_uGetRTSCTSDuration(priv
, RTSDUR_BA
, frame_len
,
635 pkt_type
, current_rate
, need_ack
, fb_option
);
637 vnt_fill_ieee80211_rts(priv
, &buf
->data
, eth_hdr
, buf
->wDuration_aa
);
642 static int vnt_rxtx_rts_g_fb_head(struct vnt_private
*priv
,
643 struct vnt_rts_g_fb
*buf
, struct ethhdr
*eth_hdr
,
644 u8 pkt_type
, u32 frame_len
, int need_ack
,
645 u16 current_rate
, u8 fb_option
)
647 u16 rts_frame_len
= 20;
649 BBvCalculateParameter(priv
, rts_frame_len
, priv
->byTopCCKBasicRate
,
650 PK_TYPE_11B
, &buf
->b
);
651 BBvCalculateParameter(priv
, rts_frame_len
,
652 priv
->byTopOFDMBasicRate
, pkt_type
, &buf
->a
);
655 buf
->wDuration_bb
= s_uGetRTSCTSDuration(priv
, RTSDUR_BB
, frame_len
,
656 PK_TYPE_11B
, priv
->byTopCCKBasicRate
, need_ack
, fb_option
);
657 buf
->wDuration_aa
= s_uGetRTSCTSDuration(priv
, RTSDUR_AA
, frame_len
,
658 pkt_type
, current_rate
, need_ack
, fb_option
);
659 buf
->wDuration_ba
= s_uGetRTSCTSDuration(priv
, RTSDUR_BA
, frame_len
,
660 pkt_type
, current_rate
, need_ack
, fb_option
);
663 buf
->wRTSDuration_ba_f0
= s_uGetRTSCTSDuration(priv
, RTSDUR_BA_F0
,
664 frame_len
, pkt_type
, current_rate
, need_ack
, fb_option
);
665 buf
->wRTSDuration_aa_f0
= s_uGetRTSCTSDuration(priv
, RTSDUR_AA_F0
,
666 frame_len
, pkt_type
, current_rate
, need_ack
, fb_option
);
667 buf
->wRTSDuration_ba_f1
= s_uGetRTSCTSDuration(priv
, RTSDUR_BA_F1
,
668 frame_len
, pkt_type
, current_rate
, need_ack
, fb_option
);
669 buf
->wRTSDuration_aa_f1
= s_uGetRTSCTSDuration(priv
, RTSDUR_AA_F1
,
670 frame_len
, pkt_type
, current_rate
, need_ack
, fb_option
);
672 vnt_fill_ieee80211_rts(priv
, &buf
->data
, eth_hdr
, buf
->wDuration_aa
);
677 static int vnt_rxtx_rts_ab_head(struct vnt_private
*priv
,
678 struct vnt_rts_ab
*buf
, struct ethhdr
*eth_hdr
,
679 u8 pkt_type
, u32 frame_len
, int need_ack
,
680 u16 current_rate
, u8 fb_option
)
682 u16 rts_frame_len
= 20;
684 BBvCalculateParameter(priv
, rts_frame_len
,
685 priv
->byTopOFDMBasicRate
, pkt_type
, &buf
->ab
);
687 buf
->wDuration
= s_uGetRTSCTSDuration(priv
, RTSDUR_AA
, frame_len
,
688 pkt_type
, current_rate
, need_ack
, fb_option
);
690 vnt_fill_ieee80211_rts(priv
, &buf
->data
, eth_hdr
, buf
->wDuration
);
695 static int vnt_rxtx_rts_a_fb_head(struct vnt_private
*priv
,
696 struct vnt_rts_a_fb
*buf
, struct ethhdr
*eth_hdr
,
697 u8 pkt_type
, u32 frame_len
, int need_ack
,
698 u16 current_rate
, u8 fb_option
)
700 u16 rts_frame_len
= 20;
702 BBvCalculateParameter(priv
, rts_frame_len
,
703 priv
->byTopOFDMBasicRate
, pkt_type
, &buf
->a
);
705 buf
->wDuration
= s_uGetRTSCTSDuration(priv
, RTSDUR_AA
, frame_len
,
706 pkt_type
, current_rate
, need_ack
, fb_option
);
708 buf
->wRTSDuration_f0
= s_uGetRTSCTSDuration(priv
, RTSDUR_AA_F0
,
709 frame_len
, pkt_type
, current_rate
, need_ack
, fb_option
);
711 buf
->wRTSDuration_f1
= s_uGetRTSCTSDuration(priv
, RTSDUR_AA_F1
,
712 frame_len
, pkt_type
, current_rate
, need_ack
, fb_option
);
714 vnt_fill_ieee80211_rts(priv
, &buf
->data
, eth_hdr
, buf
->wDuration
);
719 static void s_vFillRTSHead(struct vnt_private
*pDevice
, u8 byPktType
,
720 void *pvRTS
, u32 cbFrameLength
, int bNeedAck
,
721 struct ethhdr
*psEthHeader
, u16 wCurrentRate
, u8 byFBOption
)
723 union vnt_tx_data_head
*head
= pvRTS
;
728 /* Note: So far RTSHead doesn't appear in ATIM
729 * & Beacom DMA, so we don't need to take them
731 * Otherwise, we need to modified codes for them.
736 if (byFBOption
== AUTO_FB_NONE
)
737 vnt_rxtx_rts_g_head(pDevice
, &head
->rts_g
,
738 psEthHeader
, byPktType
, cbFrameLength
,
739 bNeedAck
, wCurrentRate
, byFBOption
);
741 vnt_rxtx_rts_g_fb_head(pDevice
, &head
->rts_g_fb
,
742 psEthHeader
, byPktType
, cbFrameLength
,
743 bNeedAck
, wCurrentRate
, byFBOption
);
747 vnt_rxtx_rts_a_fb_head(pDevice
, &head
->rts_a_fb
,
748 psEthHeader
, byPktType
, cbFrameLength
,
749 bNeedAck
, wCurrentRate
, byFBOption
);
753 vnt_rxtx_rts_ab_head(pDevice
, &head
->rts_ab
,
754 psEthHeader
, byPktType
, cbFrameLength
,
755 bNeedAck
, wCurrentRate
, byFBOption
);
759 static void s_vFillCTSHead(struct vnt_private
*pDevice
, u32 uDMAIdx
,
760 u8 byPktType
, void *pvCTS
, u32 cbFrameLength
, int bNeedAck
,
761 u16 wCurrentRate
, u8 byFBOption
)
763 u32 uCTSFrameLen
= 14;
769 if (byFBOption
!= AUTO_FB_NONE
) {
771 struct vnt_cts_fb
*pBuf
= (struct vnt_cts_fb
*)pvCTS
;
772 /* Get SignalField,ServiceField,Length */
773 BBvCalculateParameter(pDevice
, uCTSFrameLen
,
774 pDevice
->byTopCCKBasicRate
, PK_TYPE_11B
, &pBuf
->b
);
775 pBuf
->wDuration_ba
= s_uGetRTSCTSDuration(pDevice
, CTSDUR_BA
,
776 cbFrameLength
, byPktType
,
777 wCurrentRate
, bNeedAck
, byFBOption
);
778 /* Get CTSDuration_ba_f0 */
779 pBuf
->wCTSDuration_ba_f0
= s_uGetRTSCTSDuration(pDevice
,
780 CTSDUR_BA_F0
, cbFrameLength
, byPktType
, wCurrentRate
,
781 bNeedAck
, byFBOption
);
782 /* Get CTSDuration_ba_f1 */
783 pBuf
->wCTSDuration_ba_f1
= s_uGetRTSCTSDuration(pDevice
,
784 CTSDUR_BA_F1
, cbFrameLength
, byPktType
, wCurrentRate
,
785 bNeedAck
, byFBOption
);
786 /* Get CTS Frame body */
787 pBuf
->data
.duration
= pBuf
->wDuration_ba
;
788 pBuf
->data
.frame_control
= TYPE_CTL_CTS
;
789 memcpy(pBuf
->data
.ra
, pDevice
->abyCurrentNetAddr
, ETH_ALEN
);
791 struct vnt_cts
*pBuf
= (struct vnt_cts
*)pvCTS
;
792 /* Get SignalField,ServiceField,Length */
793 BBvCalculateParameter(pDevice
, uCTSFrameLen
,
794 pDevice
->byTopCCKBasicRate
, PK_TYPE_11B
, &pBuf
->b
);
795 /* Get CTSDuration_ba */
796 pBuf
->wDuration_ba
= s_uGetRTSCTSDuration(pDevice
,
797 CTSDUR_BA
, cbFrameLength
, byPktType
,
798 wCurrentRate
, bNeedAck
, byFBOption
);
799 /*Get CTS Frame body*/
800 pBuf
->data
.duration
= pBuf
->wDuration_ba
;
801 pBuf
->data
.frame_control
= TYPE_CTL_CTS
;
802 memcpy(pBuf
->data
.ra
, pDevice
->abyCurrentNetAddr
, ETH_ALEN
);
809 * Generate FIFO control for MAC & Baseband controller
813 * pDevice - Pointer to adpater
814 * pTxDataHead - Transmit Data Buffer
815 * pTxBufHead - pTxBufHead
816 * pvRrvTime - pvRrvTime
819 * cbFrameSize - Transmit Data Length (Hdr+Payload+FCS)
820 * bNeedACK - If need ACK
821 * uDMAIdx - DMA Index
829 static void s_vGenerateTxParameter(struct vnt_private
*pDevice
,
830 u8 byPktType
, u16 wCurrentRate
, void *pTxBufHead
, void *pvRrvTime
,
831 void *pvRTS
, void *pvCTS
, u32 cbFrameSize
, int bNeedACK
, u32 uDMAIdx
,
832 struct ethhdr
*psEthHeader
)
834 u32 cbMACHdLen
= WLAN_HDR_ADDR3_LEN
; /* 24 */
836 u8 byFBOption
= AUTO_FB_NONE
;
838 //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"s_vGenerateTxParameter...\n");
839 PSTxBufHead pFifoHead
= (PSTxBufHead
)pTxBufHead
;
840 pFifoHead
->wReserved
= wCurrentRate
;
841 wFifoCtl
= pFifoHead
->wFIFOCtl
;
843 if (wFifoCtl
& FIFOCTL_AUTO_FB_0
) {
844 byFBOption
= AUTO_FB_0
;
846 else if (wFifoCtl
& FIFOCTL_AUTO_FB_1
) {
847 byFBOption
= AUTO_FB_1
;
853 if (pDevice
->bLongHeader
)
854 cbMACHdLen
= WLAN_HDR_ADDR3_LEN
+ 6;
856 if (byPktType
== PK_TYPE_11GB
|| byPktType
== PK_TYPE_11GA
) {
858 if (pvRTS
!= NULL
) { //RTS_need
860 struct vnt_rrv_time_rts
*pBuf
=
861 (struct vnt_rrv_time_rts
*)pvRrvTime
;
862 pBuf
->wRTSTxRrvTime_aa
= s_uGetRTSCTSRsvTime(pDevice
, 2,
863 byPktType
, cbFrameSize
, wCurrentRate
);
864 pBuf
->wRTSTxRrvTime_ba
= s_uGetRTSCTSRsvTime(pDevice
, 1,
865 byPktType
, cbFrameSize
, wCurrentRate
);
866 pBuf
->wRTSTxRrvTime_bb
= s_uGetRTSCTSRsvTime(pDevice
, 0,
867 byPktType
, cbFrameSize
, wCurrentRate
);
868 pBuf
->wTxRrvTime_a
= vnt_rxtx_rsvtime_le16(pDevice
,
869 byPktType
, cbFrameSize
, wCurrentRate
, bNeedACK
);
870 pBuf
->wTxRrvTime_b
= vnt_rxtx_rsvtime_le16(pDevice
,
871 PK_TYPE_11B
, cbFrameSize
, pDevice
->byTopCCKBasicRate
,
874 s_vFillRTSHead(pDevice
, byPktType
, pvRTS
, cbFrameSize
, bNeedACK
,
875 psEthHeader
, wCurrentRate
, byFBOption
);
877 else {//RTS_needless, PCF mode
879 struct vnt_rrv_time_cts
*pBuf
=
880 (struct vnt_rrv_time_cts
*)pvRrvTime
;
881 pBuf
->wTxRrvTime_a
= vnt_rxtx_rsvtime_le16(pDevice
, byPktType
,
882 cbFrameSize
, wCurrentRate
, bNeedACK
);
883 pBuf
->wTxRrvTime_b
= vnt_rxtx_rsvtime_le16(pDevice
,
884 PK_TYPE_11B
, cbFrameSize
,
885 pDevice
->byTopCCKBasicRate
, bNeedACK
);
886 pBuf
->wCTSTxRrvTime_ba
= s_uGetRTSCTSRsvTime(pDevice
, 3,
887 byPktType
, cbFrameSize
, wCurrentRate
);
889 s_vFillCTSHead(pDevice
, uDMAIdx
, byPktType
, pvCTS
, cbFrameSize
,
890 bNeedACK
, wCurrentRate
, byFBOption
);
893 else if (byPktType
== PK_TYPE_11A
) {
895 if (pvRTS
!= NULL
) {//RTS_need, non PCF mode
897 struct vnt_rrv_time_ab
*pBuf
=
898 (struct vnt_rrv_time_ab
*)pvRrvTime
;
899 pBuf
->wRTSTxRrvTime
= s_uGetRTSCTSRsvTime(pDevice
, 2,
900 byPktType
, cbFrameSize
, wCurrentRate
);
901 pBuf
->wTxRrvTime
= vnt_rxtx_rsvtime_le16(pDevice
, byPktType
,
902 cbFrameSize
, wCurrentRate
, bNeedACK
);
904 s_vFillRTSHead(pDevice
, byPktType
, pvRTS
, cbFrameSize
, bNeedACK
,
905 psEthHeader
, wCurrentRate
, byFBOption
);
907 else if (pvRTS
== NULL
) {//RTS_needless, non PCF mode
909 struct vnt_rrv_time_ab
*pBuf
=
910 (struct vnt_rrv_time_ab
*)pvRrvTime
;
911 pBuf
->wTxRrvTime
= vnt_rxtx_rsvtime_le16(pDevice
, PK_TYPE_11A
,
912 cbFrameSize
, wCurrentRate
, bNeedACK
);
915 else if (byPktType
== PK_TYPE_11B
) {
917 if ((pvRTS
!= NULL
)) {//RTS_need, non PCF mode
919 struct vnt_rrv_time_ab
*pBuf
=
920 (struct vnt_rrv_time_ab
*)pvRrvTime
;
921 pBuf
->wRTSTxRrvTime
= s_uGetRTSCTSRsvTime(pDevice
, 0,
922 byPktType
, cbFrameSize
, wCurrentRate
);
923 pBuf
->wTxRrvTime
= vnt_rxtx_rsvtime_le16(pDevice
, PK_TYPE_11B
,
924 cbFrameSize
, wCurrentRate
, bNeedACK
);
926 s_vFillRTSHead(pDevice
, byPktType
, pvRTS
, cbFrameSize
, bNeedACK
,
927 psEthHeader
, wCurrentRate
, byFBOption
);
929 else { //RTS_needless, non PCF mode
931 struct vnt_rrv_time_ab
*pBuf
=
932 (struct vnt_rrv_time_ab
*)pvRrvTime
;
933 pBuf
->wTxRrvTime
= vnt_rxtx_rsvtime_le16(pDevice
, PK_TYPE_11B
,
934 cbFrameSize
, wCurrentRate
, bNeedACK
);
937 //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"s_vGenerateTxParameter END.\n");
940 u8 * pbyBuffer,//point to pTxBufHead
941 u16 wFragType,//00:Non-Frag, 01:Start, 02:Mid, 03:Last
942 unsigned int cbFragmentSize,//Hdr+payoad+FCS
945 static int s_bPacketToWirelessUsb(struct vnt_private
*pDevice
, u8 byPktType
,
946 struct vnt_tx_buffer
*pTxBufHead
, int bNeedEncryption
,
947 u32 uSkbPacketLen
, u32 uDMAIdx
, struct ethhdr
*psEthHeader
,
948 u8
*pPacket
, PSKeyItem pTransmitKey
, u32 uNodeIndex
, u16 wCurrentRate
,
949 u32
*pcbHeaderLen
, u32
*pcbTotalLen
)
951 struct vnt_manager
*pMgmt
= &pDevice
->vnt_mgmt
;
952 u32 cbFrameSize
, cbFrameBodySize
;
954 u32 cbIVlen
= 0, cbICVlen
= 0, cbMIClen
= 0, cbMACHdLen
= 0;
955 u32 cbFCSlen
= 4, cbMICHDR
= 0;
957 u8
*pbyType
, *pbyMacHdr
, *pbyIVHead
, *pbyPayloadHead
, *pbyTxBufferAddr
;
958 u8 abySNAP_RFC1042
[ETH_ALEN
] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};
959 u8 abySNAP_Bridgetunnel
[ETH_ALEN
]
960 = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};
962 u32 cbHeaderLength
= 0, uPadding
= 0;
964 struct vnt_mic_hdr
*pMICHDR
;
968 u8 byFBOption
= AUTO_FB_NONE
, byFragType
;
970 u32 dwMICKey0
, dwMICKey1
, dwMIC_Priority
;
971 u32
*pdwMIC_L
, *pdwMIC_R
;
972 int bSoftWEP
= false;
974 pvRrvTime
= pMICHDR
= pvRTS
= pvCTS
= pvTxDataHd
= NULL
;
976 if (bNeedEncryption
&& pTransmitKey
->pvKeyTable
) {
977 if (((PSKeyTable
)pTransmitKey
->pvKeyTable
)->bSoftWEP
== true)
978 bSoftWEP
= true; /* WEP 256 */
982 if (ntohs(psEthHeader
->h_proto
) > ETH_DATA_LEN
) {
983 if (pDevice
->dwDiagRefCount
== 0) {
992 cbFrameBodySize
= uSkbPacketLen
- ETH_HLEN
+ cb802_1_H_len
;
995 pTxBufHead
->wFIFOCtl
|= (u16
)(byPktType
<<8);
997 if (pDevice
->dwDiagRefCount
!= 0) {
999 pTxBufHead
->wFIFOCtl
= pTxBufHead
->wFIFOCtl
& (~FIFOCTL_NEEDACK
);
1000 } else { //if (pDevice->dwDiagRefCount != 0) {
1001 if ((pDevice
->eOPMode
== OP_MODE_ADHOC
) ||
1002 (pDevice
->eOPMode
== OP_MODE_AP
)) {
1003 if (is_multicast_ether_addr(psEthHeader
->h_dest
)) {
1005 pTxBufHead
->wFIFOCtl
=
1006 pTxBufHead
->wFIFOCtl
& (~FIFOCTL_NEEDACK
);
1009 pTxBufHead
->wFIFOCtl
|= FIFOCTL_NEEDACK
;
1013 // MSDUs in Infra mode always need ACK
1015 pTxBufHead
->wFIFOCtl
|= FIFOCTL_NEEDACK
;
1017 } //if (pDevice->dwDiagRefCount != 0) {
1019 pTxBufHead
->wTimeStamp
= DEFAULT_MSDU_LIFETIME_RES_64us
;
1022 if (pDevice
->bLongHeader
)
1023 pTxBufHead
->wFIFOCtl
|= FIFOCTL_LHEAD
;
1025 //Set FRAGCTL_MACHDCNT
1026 if (pDevice
->bLongHeader
) {
1027 cbMACHdLen
= WLAN_HDR_ADDR3_LEN
+ 6;
1029 cbMACHdLen
= WLAN_HDR_ADDR3_LEN
;
1031 pTxBufHead
->wFragCtl
|= (u16
)(cbMACHdLen
<< 10);
1033 //Set FIFOCTL_GrpAckPolicy
1034 if (pDevice
->bGrpAckPolicy
== true) {//0000 0100 0000 0000
1035 pTxBufHead
->wFIFOCtl
|= FIFOCTL_GRPACK
;
1038 //Set Auto Fallback Ctl
1039 if (wCurrentRate
>= RATE_18M
) {
1040 if (pDevice
->byAutoFBCtrl
== AUTO_FB_0
) {
1041 pTxBufHead
->wFIFOCtl
|= FIFOCTL_AUTO_FB_0
;
1042 byFBOption
= AUTO_FB_0
;
1043 } else if (pDevice
->byAutoFBCtrl
== AUTO_FB_1
) {
1044 pTxBufHead
->wFIFOCtl
|= FIFOCTL_AUTO_FB_1
;
1045 byFBOption
= AUTO_FB_1
;
1049 if (bSoftWEP
!= true) {
1050 if ((bNeedEncryption
) && (pTransmitKey
!= NULL
)) { //WEP enabled
1051 if (pTransmitKey
->byCipherSuite
== KEY_CTL_WEP
) { //WEP40 or WEP104
1052 pTxBufHead
->wFragCtl
|= FRAGCTL_LEGACY
;
1054 if (pTransmitKey
->byCipherSuite
== KEY_CTL_TKIP
) {
1055 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Tx Set wFragCtl == FRAGCTL_TKIP\n");
1056 pTxBufHead
->wFragCtl
|= FRAGCTL_TKIP
;
1058 else if (pTransmitKey
->byCipherSuite
== KEY_CTL_CCMP
) { //CCMP
1059 pTxBufHead
->wFragCtl
|= FRAGCTL_AES
;
1064 if ((bNeedEncryption
) && (pTransmitKey
!= NULL
)) {
1065 if (pTransmitKey
->byCipherSuite
== KEY_CTL_WEP
) {
1069 else if (pTransmitKey
->byCipherSuite
== KEY_CTL_TKIP
) {
1070 cbIVlen
= 8;//IV+ExtIV
1074 if (pTransmitKey
->byCipherSuite
== KEY_CTL_CCMP
) {
1075 cbIVlen
= 8;//RSN Header
1077 cbMICHDR
= sizeof(struct vnt_mic_hdr
);
1079 if (bSoftWEP
== false) {
1080 //MAC Header should be padding 0 to DW alignment.
1081 uPadding
= 4 - (cbMACHdLen
%4);
1086 cbFrameSize
= cbMACHdLen
+ cbIVlen
+ (cbFrameBodySize
+ cbMIClen
) + cbICVlen
+ cbFCSlen
;
1088 if ( (bNeedACK
== false) ||(cbFrameSize
< pDevice
->wRTSThreshold
) ) {
1092 pTxBufHead
->wFIFOCtl
|= (FIFOCTL_RTS
| FIFOCTL_LRETRY
);
1095 pbyTxBufferAddr
= (u8
*) &(pTxBufHead
->adwTxKey
[0]);
1096 wTxBufSize
= sizeof(STxBufHead
);
1097 if (byPktType
== PK_TYPE_11GB
|| byPktType
== PK_TYPE_11GA
) {//802.11g packet
1098 if (byFBOption
== AUTO_FB_NONE
) {
1099 if (bRTS
== true) {//RTS_need
1100 pvRrvTime
= (struct vnt_rrv_time_rts
*)
1101 (pbyTxBufferAddr
+ wTxBufSize
);
1102 pMICHDR
= (struct vnt_mic_hdr
*)(pbyTxBufferAddr
+ wTxBufSize
+
1103 sizeof(struct vnt_rrv_time_rts
));
1104 pvRTS
= (struct vnt_rts_g
*) (pbyTxBufferAddr
+ wTxBufSize
+
1105 sizeof(struct vnt_rrv_time_rts
) + cbMICHDR
);
1107 pvTxDataHd
= (struct vnt_tx_datahead_g
*) (pbyTxBufferAddr
+
1108 wTxBufSize
+ sizeof(struct vnt_rrv_time_rts
) +
1109 cbMICHDR
+ sizeof(struct vnt_rts_g
));
1110 cbHeaderLength
= wTxBufSize
+ sizeof(struct vnt_rrv_time_rts
) +
1111 cbMICHDR
+ sizeof(struct vnt_rts_g
) +
1112 sizeof(struct vnt_tx_datahead_g
);
1114 else { //RTS_needless
1115 pvRrvTime
= (struct vnt_rrv_time_cts
*)
1116 (pbyTxBufferAddr
+ wTxBufSize
);
1117 pMICHDR
= (struct vnt_mic_hdr
*) (pbyTxBufferAddr
+ wTxBufSize
+
1118 sizeof(struct vnt_rrv_time_cts
));
1120 pvCTS
= (struct vnt_cts
*) (pbyTxBufferAddr
+ wTxBufSize
+
1121 sizeof(struct vnt_rrv_time_cts
) + cbMICHDR
);
1122 pvTxDataHd
= (struct vnt_tx_datahead_g
*)(pbyTxBufferAddr
+
1123 wTxBufSize
+ sizeof(struct vnt_rrv_time_cts
) +
1124 cbMICHDR
+ sizeof(struct vnt_cts
));
1125 cbHeaderLength
= wTxBufSize
+ sizeof(struct vnt_rrv_time_cts
) +
1126 cbMICHDR
+ sizeof(struct vnt_cts
) +
1127 sizeof(struct vnt_tx_datahead_g
);
1131 if (bRTS
== true) {//RTS_need
1132 pvRrvTime
= (struct vnt_rrv_time_rts
*)(pbyTxBufferAddr
+
1134 pMICHDR
= (struct vnt_mic_hdr
*) (pbyTxBufferAddr
+ wTxBufSize
+
1135 sizeof(struct vnt_rrv_time_rts
));
1136 pvRTS
= (struct vnt_rts_g_fb
*) (pbyTxBufferAddr
+ wTxBufSize
+
1137 sizeof(struct vnt_rrv_time_rts
) + cbMICHDR
);
1139 pvTxDataHd
= (struct vnt_tx_datahead_g_fb
*) (pbyTxBufferAddr
+
1140 wTxBufSize
+ sizeof(struct vnt_rrv_time_rts
) +
1141 cbMICHDR
+ sizeof(struct vnt_rts_g_fb
));
1142 cbHeaderLength
= wTxBufSize
+ sizeof(struct vnt_rrv_time_rts
) +
1143 cbMICHDR
+ sizeof(struct vnt_rts_g_fb
) +
1144 sizeof(struct vnt_tx_datahead_g_fb
);
1146 else if (bRTS
== false) { //RTS_needless
1147 pvRrvTime
= (struct vnt_rrv_time_cts
*)
1148 (pbyTxBufferAddr
+ wTxBufSize
);
1149 pMICHDR
= (struct vnt_mic_hdr
*) (pbyTxBufferAddr
+ wTxBufSize
+
1150 sizeof(struct vnt_rrv_time_cts
));
1152 pvCTS
= (struct vnt_cts_fb
*) (pbyTxBufferAddr
+ wTxBufSize
+
1153 sizeof(struct vnt_rrv_time_cts
) + cbMICHDR
);
1154 pvTxDataHd
= (struct vnt_tx_datahead_g_fb
*) (pbyTxBufferAddr
+
1155 wTxBufSize
+ sizeof(struct vnt_rrv_time_cts
) +
1156 cbMICHDR
+ sizeof(struct vnt_cts_fb
));
1157 cbHeaderLength
= wTxBufSize
+ sizeof(struct vnt_rrv_time_cts
) +
1158 cbMICHDR
+ sizeof(struct vnt_cts_fb
) +
1159 sizeof(struct vnt_tx_datahead_g_fb
);
1163 else {//802.11a/b packet
1164 if (byFBOption
== AUTO_FB_NONE
) {
1165 if (bRTS
== true) {//RTS_need
1166 pvRrvTime
= (struct vnt_rrv_time_ab
*) (pbyTxBufferAddr
+
1168 pMICHDR
= (struct vnt_mic_hdr
*)(pbyTxBufferAddr
+ wTxBufSize
+
1169 sizeof(struct vnt_rrv_time_ab
));
1170 pvRTS
= (struct vnt_rts_ab
*) (pbyTxBufferAddr
+ wTxBufSize
+
1171 sizeof(struct vnt_rrv_time_ab
) + cbMICHDR
);
1173 pvTxDataHd
= (struct vnt_tx_datahead_ab
*)(pbyTxBufferAddr
+
1174 wTxBufSize
+ sizeof(struct vnt_rrv_time_ab
) + cbMICHDR
+
1175 sizeof(struct vnt_rts_ab
));
1176 cbHeaderLength
= wTxBufSize
+ sizeof(struct vnt_rrv_time_ab
) +
1177 cbMICHDR
+ sizeof(struct vnt_rts_ab
) +
1178 sizeof(struct vnt_tx_datahead_ab
);
1180 else if (bRTS
== false) { //RTS_needless, no MICHDR
1181 pvRrvTime
= (struct vnt_rrv_time_ab
*)(pbyTxBufferAddr
+
1183 pMICHDR
= (struct vnt_mic_hdr
*) (pbyTxBufferAddr
+ wTxBufSize
+
1184 sizeof(struct vnt_rrv_time_ab
));
1187 pvTxDataHd
= (struct vnt_tx_datahead_ab
*)(pbyTxBufferAddr
+
1188 wTxBufSize
+ sizeof(struct vnt_rrv_time_ab
) + cbMICHDR
);
1189 cbHeaderLength
= wTxBufSize
+ sizeof(struct vnt_rrv_time_ab
) +
1190 cbMICHDR
+ sizeof(struct vnt_tx_datahead_ab
);
1194 if (bRTS
== true) {//RTS_need
1195 pvRrvTime
= (struct vnt_rrv_time_ab
*)(pbyTxBufferAddr
+
1197 pMICHDR
= (struct vnt_mic_hdr
*) (pbyTxBufferAddr
+ wTxBufSize
+
1198 sizeof(struct vnt_rrv_time_ab
));
1199 pvRTS
= (struct vnt_rts_a_fb
*) (pbyTxBufferAddr
+ wTxBufSize
+
1200 sizeof(struct vnt_rrv_time_ab
) + cbMICHDR
);
1202 pvTxDataHd
= (struct vnt_tx_datahead_a_fb
*)(pbyTxBufferAddr
+
1203 wTxBufSize
+ sizeof(struct vnt_rrv_time_ab
) + cbMICHDR
+
1204 sizeof(struct vnt_rts_a_fb
));
1205 cbHeaderLength
= wTxBufSize
+ sizeof(struct vnt_rrv_time_ab
) +
1206 cbMICHDR
+ sizeof(struct vnt_rts_a_fb
) +
1207 sizeof(struct vnt_tx_datahead_a_fb
);
1209 else if (bRTS
== false) { //RTS_needless
1210 pvRrvTime
= (struct vnt_rrv_time_ab
*)(pbyTxBufferAddr
+
1212 pMICHDR
= (struct vnt_mic_hdr
*)(pbyTxBufferAddr
+ wTxBufSize
+
1213 sizeof(struct vnt_rrv_time_ab
));
1216 pvTxDataHd
= (struct vnt_tx_datahead_a_fb
*)(pbyTxBufferAddr
+
1217 wTxBufSize
+ sizeof(struct vnt_rrv_time_ab
) + cbMICHDR
);
1218 cbHeaderLength
= wTxBufSize
+ sizeof(struct vnt_rrv_time_ab
) +
1219 cbMICHDR
+ sizeof(struct vnt_tx_datahead_a_fb
);
1224 pbyMacHdr
= (u8
*)(pbyTxBufferAddr
+ cbHeaderLength
);
1225 pbyIVHead
= (u8
*)(pbyMacHdr
+ cbMACHdLen
+ uPadding
);
1226 pbyPayloadHead
= (u8
*)(pbyMacHdr
+ cbMACHdLen
+ uPadding
+ cbIVlen
);
1228 //=========================
1230 //=========================
1231 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"No Fragmentation...\n");
1232 byFragType
= FRAGCTL_NONFRAG
;
1233 //uDMAIdx = TYPE_AC0DMA;
1234 //pTxBufHead = (PSTxBufHead) &(pTxBufHead->adwTxKey[0]);
1236 //Fill FIFO,RrvTime,RTS,and CTS
1237 s_vGenerateTxParameter(pDevice
, byPktType
, wCurrentRate
,
1238 (void *)pbyTxBufferAddr
, pvRrvTime
, pvRTS
, pvCTS
,
1239 cbFrameSize
, bNeedACK
, uDMAIdx
, psEthHeader
);
1241 uDuration
= s_uFillDataHead(pDevice
, byPktType
, wCurrentRate
, pvTxDataHd
, cbFrameSize
, uDMAIdx
, bNeedACK
,
1243 // Generate TX MAC Header
1244 s_vGenerateMACHeader(pDevice
, pbyMacHdr
, (u16
)uDuration
, psEthHeader
, bNeedEncryption
,
1245 byFragType
, uDMAIdx
, 0);
1247 if (bNeedEncryption
== true) {
1249 s_vFillTxKey(pDevice
, (u8
*)(pTxBufHead
->adwTxKey
), pbyIVHead
, pTransmitKey
,
1250 pbyMacHdr
, (u16
)cbFrameBodySize
, pMICHDR
);
1252 if (pDevice
->bEnableHostWEP
) {
1253 pMgmt
->sNodeDBTable
[uNodeIndex
].dwTSC47_16
= pTransmitKey
->dwTSC47_16
;
1254 pMgmt
->sNodeDBTable
[uNodeIndex
].wTSC15_0
= pTransmitKey
->wTSC15_0
;
1259 if (ntohs(psEthHeader
->h_proto
) > ETH_DATA_LEN
) {
1260 if (pDevice
->dwDiagRefCount
== 0) {
1261 if ((psEthHeader
->h_proto
== cpu_to_be16(ETH_P_IPX
)) ||
1262 (psEthHeader
->h_proto
== cpu_to_le16(0xF380))) {
1263 memcpy((u8
*) (pbyPayloadHead
),
1264 abySNAP_Bridgetunnel
, 6);
1266 memcpy((u8
*) (pbyPayloadHead
), &abySNAP_RFC1042
[0], 6);
1268 pbyType
= (u8
*) (pbyPayloadHead
+ 6);
1269 memcpy(pbyType
, &(psEthHeader
->h_proto
), sizeof(u16
));
1271 memcpy((u8
*) (pbyPayloadHead
), &(psEthHeader
->h_proto
), sizeof(u16
));
1277 if (pPacket
!= NULL
) {
1278 // Copy the Packet into a tx Buffer
1279 memcpy((pbyPayloadHead
+ cb802_1_H_len
),
1280 (pPacket
+ ETH_HLEN
),
1281 uSkbPacketLen
- ETH_HLEN
1285 // while bRelayPacketSend psEthHeader is point to header+payload
1286 memcpy((pbyPayloadHead
+ cb802_1_H_len
), ((u8
*)psEthHeader
) + ETH_HLEN
, uSkbPacketLen
- ETH_HLEN
);
1289 if ((bNeedEncryption
== true) && (pTransmitKey
!= NULL
) && (pTransmitKey
->byCipherSuite
== KEY_CTL_TKIP
)) {
1291 ///////////////////////////////////////////////////////////////////
1293 if (pDevice
->vnt_mgmt
.eAuthenMode
== WMAC_AUTH_WPANONE
) {
1294 dwMICKey0
= *(u32
*)(&pTransmitKey
->abyKey
[16]);
1295 dwMICKey1
= *(u32
*)(&pTransmitKey
->abyKey
[20]);
1297 else if ((pTransmitKey
->dwKeyIndex
& AUTHENTICATOR_KEY
) != 0) {
1298 dwMICKey0
= *(u32
*)(&pTransmitKey
->abyKey
[16]);
1299 dwMICKey1
= *(u32
*)(&pTransmitKey
->abyKey
[20]);
1302 dwMICKey0
= *(u32
*)(&pTransmitKey
->abyKey
[24]);
1303 dwMICKey1
= *(u32
*)(&pTransmitKey
->abyKey
[28]);
1305 // DO Software Michael
1306 MIC_vInit(dwMICKey0
, dwMICKey1
);
1307 MIC_vAppend((u8
*)&(psEthHeader
->h_dest
[0]), 12);
1309 MIC_vAppend((u8
*)&dwMIC_Priority
, 4);
1310 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"MIC KEY: %X, %X\n",
1311 dwMICKey0
, dwMICKey1
);
1313 ///////////////////////////////////////////////////////////////////
1315 //DBG_PRN_GRP12(("Length:%d, %d\n", cbFrameBodySize, uFromHDtoPLDLength));
1316 //for (ii = 0; ii < cbFrameBodySize; ii++) {
1317 // DBG_PRN_GRP12(("%02x ", *((u8 *)((pbyPayloadHead + cb802_1_H_len) + ii))));
1319 //DBG_PRN_GRP12(("\n\n\n"));
1321 MIC_vAppend(pbyPayloadHead
, cbFrameBodySize
);
1323 pdwMIC_L
= (u32
*)(pbyPayloadHead
+ cbFrameBodySize
);
1324 pdwMIC_R
= (u32
*)(pbyPayloadHead
+ cbFrameBodySize
+ 4);
1326 MIC_vGetMIC(pdwMIC_L
, pdwMIC_R
);
1329 if (pDevice
->bTxMICFail
== true) {
1332 pDevice
->bTxMICFail
= false;
1334 //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"uLength: %d, %d\n", uLength, cbFrameBodySize);
1335 //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"cbReqCount:%d, %d, %d, %d\n", cbReqCount, cbHeaderLength, uPadding, cbIVlen);
1336 //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC:%lX, %lX\n", *pdwMIC_L, *pdwMIC_R);
1339 if (bSoftWEP
== true) {
1341 s_vSWencryption(pDevice
, pTransmitKey
, (pbyPayloadHead
), (u16
)(cbFrameBodySize
+ cbMIClen
));
1343 } else if ( ((pDevice
->eEncryptionStatus
== Ndis802_11Encryption1Enabled
) && (bNeedEncryption
== true)) ||
1344 ((pDevice
->eEncryptionStatus
== Ndis802_11Encryption2Enabled
) && (bNeedEncryption
== true)) ||
1345 ((pDevice
->eEncryptionStatus
== Ndis802_11Encryption3Enabled
) && (bNeedEncryption
== true)) ) {
1346 cbFrameSize
-= cbICVlen
;
1349 cbFrameSize
-= cbFCSlen
;
1351 *pcbHeaderLen
= cbHeaderLength
;
1352 *pcbTotalLen
= cbHeaderLength
+ cbFrameSize
;
1354 //Set FragCtl in TxBufferHead
1355 pTxBufHead
->wFragCtl
|= (u16
)byFragType
;
1364 * Translate 802.3 to 802.11 header
1368 * pDevice - Pointer to adapter
1369 * dwTxBufferAddr - Transmit Buffer
1370 * pPacket - Packet from upper layer
1371 * cbPacketSize - Transmit Data Length
1373 * pcbHeadSize - Header size of MAC&Baseband control and 802.11 Header
1374 * pcbAppendPayload - size of append payload for 802.1H translation
1376 * Return Value: none
1380 static void s_vGenerateMACHeader(struct vnt_private
*pDevice
,
1381 u8
*pbyBufferAddr
, u16 wDuration
, struct ethhdr
*psEthHeader
,
1382 int bNeedEncrypt
, u16 wFragType
, u32 uDMAIdx
, u32 uFragIdx
)
1384 struct ieee80211_hdr
*pMACHeader
= (struct ieee80211_hdr
*)pbyBufferAddr
;
1386 pMACHeader
->frame_control
= TYPE_802_11_DATA
;
1388 if (pDevice
->eOPMode
== OP_MODE_AP
) {
1389 memcpy(&(pMACHeader
->addr1
[0]),
1390 &(psEthHeader
->h_dest
[0]),
1392 memcpy(&(pMACHeader
->addr2
[0]), &(pDevice
->abyBSSID
[0]), ETH_ALEN
);
1393 memcpy(&(pMACHeader
->addr3
[0]),
1394 &(psEthHeader
->h_source
[0]),
1396 pMACHeader
->frame_control
|= FC_FROMDS
;
1398 if (pDevice
->eOPMode
== OP_MODE_ADHOC
) {
1399 memcpy(&(pMACHeader
->addr1
[0]),
1400 &(psEthHeader
->h_dest
[0]),
1402 memcpy(&(pMACHeader
->addr2
[0]),
1403 &(psEthHeader
->h_source
[0]),
1405 memcpy(&(pMACHeader
->addr3
[0]),
1406 &(pDevice
->abyBSSID
[0]),
1409 memcpy(&(pMACHeader
->addr3
[0]),
1410 &(psEthHeader
->h_dest
[0]),
1412 memcpy(&(pMACHeader
->addr2
[0]),
1413 &(psEthHeader
->h_source
[0]),
1415 memcpy(&(pMACHeader
->addr1
[0]),
1416 &(pDevice
->abyBSSID
[0]),
1418 pMACHeader
->frame_control
|= FC_TODS
;
1423 pMACHeader
->frame_control
|= cpu_to_le16((u16
)WLAN_SET_FC_ISWEP(1));
1425 pMACHeader
->duration_id
= cpu_to_le16(wDuration
);
1427 if (pDevice
->bLongHeader
) {
1428 PWLAN_80211HDR_A4 pMACA4Header
= (PWLAN_80211HDR_A4
) pbyBufferAddr
;
1429 pMACHeader
->frame_control
|= (FC_TODS
| FC_FROMDS
);
1430 memcpy(pMACA4Header
->abyAddr4
, pDevice
->abyBSSID
, WLAN_ADDR_LEN
);
1432 pMACHeader
->seq_ctrl
= cpu_to_le16(pDevice
->wSeqCounter
<< 4);
1434 //Set FragNumber in Sequence Control
1435 pMACHeader
->seq_ctrl
|= cpu_to_le16((u16
)uFragIdx
);
1437 if ((wFragType
== FRAGCTL_ENDFRAG
) || (wFragType
== FRAGCTL_NONFRAG
)) {
1438 pDevice
->wSeqCounter
++;
1439 if (pDevice
->wSeqCounter
> 0x0fff)
1440 pDevice
->wSeqCounter
= 0;
1443 if ((wFragType
== FRAGCTL_STAFRAG
) || (wFragType
== FRAGCTL_MIDFRAG
)) { //StartFrag or MidFrag
1444 pMACHeader
->frame_control
|= FC_MOREFRAG
;
1451 * Request instructs a MAC to transmit a 802.11 management packet through
1452 * the adapter onto the medium.
1456 * hDeviceContext - Pointer to the adapter
1457 * pPacket - A pointer to a descriptor for the packet to transmit
1461 * Return Value: CMD_STATUS_PENDING if MAC Tx resource available; otherwise false
1465 CMD_STATUS
csMgmt_xmit(struct vnt_private
*pDevice
,
1466 struct vnt_tx_mgmt
*pPacket
)
1468 struct vnt_manager
*pMgmt
= &pDevice
->vnt_mgmt
;
1469 struct vnt_tx_buffer
*pTX_Buffer
;
1470 PSTxBufHead pTxBufHead
;
1471 PUSB_SEND_CONTEXT pContext
;
1472 struct ieee80211_hdr
*pMACHeader
;
1473 struct vnt_cts
*pCTS
;
1474 struct ethhdr sEthHeader
;
1475 u8 byPktType
, *pbyTxBufferAddr
;
1476 void *pvRTS
, *pvTxDataHd
, *pvRrvTime
, *pMICHDR
;
1477 u32 uDuration
, cbReqCount
, cbHeaderSize
, cbFrameBodySize
, cbFrameSize
;
1478 int bNeedACK
, bIsPSPOLL
= false;
1479 u32 cbIVlen
= 0, cbICVlen
= 0, cbMIClen
= 0, cbFCSlen
= 4;
1483 u16 wCurrentRate
= RATE_1M
;
1485 pContext
= (PUSB_SEND_CONTEXT
)s_vGetFreeContext(pDevice
);
1487 if (NULL
== pContext
) {
1488 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"ManagementSend TX...NO CONTEXT!\n");
1489 return CMD_STATUS_RESOURCES
;
1492 pTX_Buffer
= (struct vnt_tx_buffer
*)&pContext
->Data
[0];
1493 pbyTxBufferAddr
= (u8
*)&(pTX_Buffer
->adwTxKey
[0]);
1494 cbFrameBodySize
= pPacket
->cbPayloadLen
;
1495 pTxBufHead
= (PSTxBufHead
) pbyTxBufferAddr
;
1496 wTxBufSize
= sizeof(STxBufHead
);
1498 if (pDevice
->byBBType
== BB_TYPE_11A
) {
1499 wCurrentRate
= RATE_6M
;
1500 byPktType
= PK_TYPE_11A
;
1502 wCurrentRate
= RATE_1M
;
1503 byPktType
= PK_TYPE_11B
;
1506 // SetPower will cause error power TX state for OFDM Date packet in TX buffer.
1507 // 2004.11.11 Kyle -- Using OFDM power to tx MngPkt will decrease the connection capability.
1508 // And cmd timer will wait data pkt TX finish before scanning so it's OK
1509 // to set power here.
1510 if (pMgmt
->eScanState
!= WMAC_NO_SCANNING
) {
1511 RFbSetPower(pDevice
, wCurrentRate
, pDevice
->byCurrentCh
);
1513 RFbSetPower(pDevice
, wCurrentRate
, pMgmt
->uCurrChannel
);
1515 pDevice
->wCurrentRate
= wCurrentRate
;
1518 if (byPktType
== PK_TYPE_11A
) {//0000 0000 0000 0000
1519 pTxBufHead
->wFIFOCtl
= 0;
1521 else if (byPktType
== PK_TYPE_11B
) {//0000 0001 0000 0000
1522 pTxBufHead
->wFIFOCtl
|= FIFOCTL_11B
;
1524 else if (byPktType
== PK_TYPE_11GB
) {//0000 0010 0000 0000
1525 pTxBufHead
->wFIFOCtl
|= FIFOCTL_11GB
;
1527 else if (byPktType
== PK_TYPE_11GA
) {//0000 0011 0000 0000
1528 pTxBufHead
->wFIFOCtl
|= FIFOCTL_11GA
;
1531 pTxBufHead
->wFIFOCtl
|= FIFOCTL_TMOEN
;
1532 pTxBufHead
->wTimeStamp
= cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us
);
1534 if (is_multicast_ether_addr(pPacket
->p80211Header
->sA3
.abyAddr1
)) {
1539 pTxBufHead
->wFIFOCtl
|= FIFOCTL_NEEDACK
;
1542 if ((pMgmt
->eCurrMode
== WMAC_MODE_ESS_AP
) ||
1543 (pMgmt
->eCurrMode
== WMAC_MODE_IBSS_STA
) ) {
1545 pTxBufHead
->wFIFOCtl
|= FIFOCTL_LRETRY
;
1546 //Set Preamble type always long
1547 //pDevice->byPreambleType = PREAMBLE_LONG;
1548 // probe-response don't retry
1549 //if ((pPacket->p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_MGMT_PROBE_RSP) {
1550 // bNeedACK = false;
1551 // pTxBufHead->wFIFOCtl &= (~FIFOCTL_NEEDACK);
1555 pTxBufHead
->wFIFOCtl
|= (FIFOCTL_GENINT
| FIFOCTL_ISDMA0
);
1557 if ((pPacket
->p80211Header
->sA4
.wFrameCtl
& TYPE_SUBTYPE_MASK
) == TYPE_CTL_PSPOLL
) {
1559 cbMacHdLen
= WLAN_HDR_ADDR2_LEN
;
1561 cbMacHdLen
= WLAN_HDR_ADDR3_LEN
;
1564 //Set FRAGCTL_MACHDCNT
1565 pTxBufHead
->wFragCtl
|= cpu_to_le16((u16
)(cbMacHdLen
<< 10));
1568 // Although spec says MMPDU can be fragmented; In most case,
1569 // no one will send a MMPDU under fragmentation. With RTS may occur.
1570 pDevice
->bAES
= false; //Set FRAGCTL_WEPTYP
1572 if (WLAN_GET_FC_ISWEP(pPacket
->p80211Header
->sA4
.wFrameCtl
) != 0) {
1573 if (pDevice
->eEncryptionStatus
== Ndis802_11Encryption1Enabled
) {
1576 pTxBufHead
->wFragCtl
|= FRAGCTL_LEGACY
;
1578 else if (pDevice
->eEncryptionStatus
== Ndis802_11Encryption2Enabled
) {
1579 cbIVlen
= 8;//IV+ExtIV
1582 pTxBufHead
->wFragCtl
|= FRAGCTL_TKIP
;
1583 //We need to get seed here for filling TxKey entry.
1584 //TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr,
1585 // pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, pDevice->abyPRNG);
1587 else if (pDevice
->eEncryptionStatus
== Ndis802_11Encryption3Enabled
) {
1588 cbIVlen
= 8;//RSN Header
1590 pTxBufHead
->wFragCtl
|= FRAGCTL_AES
;
1591 pDevice
->bAES
= true;
1593 //MAC Header should be padding 0 to DW alignment.
1594 uPadding
= 4 - (cbMacHdLen
%4);
1598 cbFrameSize
= cbMacHdLen
+ cbFrameBodySize
+ cbIVlen
+ cbMIClen
+ cbICVlen
+ cbFCSlen
;
1600 //Set FIFOCTL_GrpAckPolicy
1601 if (pDevice
->bGrpAckPolicy
== true) {//0000 0100 0000 0000
1602 pTxBufHead
->wFIFOCtl
|= FIFOCTL_GRPACK
;
1604 //the rest of pTxBufHead->wFragCtl:FragTyp will be set later in s_vFillFragParameter()
1606 //Set RrvTime/RTS/CTS Buffer
1607 if (byPktType
== PK_TYPE_11GB
|| byPktType
== PK_TYPE_11GA
) {//802.11g packet
1609 pvRrvTime
= (struct vnt_rrv_time_cts
*) (pbyTxBufferAddr
+ wTxBufSize
);
1612 pCTS
= (struct vnt_cts
*) (pbyTxBufferAddr
+ wTxBufSize
+
1613 sizeof(struct vnt_rrv_time_cts
));
1614 pvTxDataHd
= (struct vnt_tx_datahead_g
*)(pbyTxBufferAddr
+ wTxBufSize
+
1615 sizeof(struct vnt_rrv_time_cts
) + sizeof(struct vnt_cts
));
1616 cbHeaderSize
= wTxBufSize
+ sizeof(struct vnt_rrv_time_cts
) +
1617 sizeof(struct vnt_cts
) + sizeof(struct vnt_tx_datahead_g
);
1619 else { // 802.11a/b packet
1620 pvRrvTime
= (struct vnt_rrv_time_ab
*) (pbyTxBufferAddr
+ wTxBufSize
);
1624 pvTxDataHd
= (struct vnt_tx_datahead_ab
*) (pbyTxBufferAddr
+
1625 wTxBufSize
+ sizeof(struct vnt_rrv_time_ab
));
1626 cbHeaderSize
= wTxBufSize
+ sizeof(struct vnt_rrv_time_ab
) +
1627 sizeof(struct vnt_tx_datahead_ab
);
1630 memcpy(&(sEthHeader
.h_dest
[0]),
1631 &(pPacket
->p80211Header
->sA3
.abyAddr1
[0]),
1633 memcpy(&(sEthHeader
.h_source
[0]),
1634 &(pPacket
->p80211Header
->sA3
.abyAddr2
[0]),
1636 //=========================
1638 //=========================
1639 pTxBufHead
->wFragCtl
|= (u16
)FRAGCTL_NONFRAG
;
1641 //Fill FIFO,RrvTime,RTS,and CTS
1642 s_vGenerateTxParameter(pDevice
, byPktType
, wCurrentRate
, pbyTxBufferAddr
, pvRrvTime
, pvRTS
, pCTS
,
1643 cbFrameSize
, bNeedACK
, TYPE_TXDMA0
, &sEthHeader
);
1646 uDuration
= s_uFillDataHead(pDevice
, byPktType
, wCurrentRate
, pvTxDataHd
, cbFrameSize
, TYPE_TXDMA0
, bNeedACK
,
1649 pMACHeader
= (struct ieee80211_hdr
*) (pbyTxBufferAddr
+ cbHeaderSize
);
1651 cbReqCount
= cbHeaderSize
+ cbMacHdLen
+ uPadding
+ cbIVlen
+ cbFrameBodySize
;
1653 if (WLAN_GET_FC_ISWEP(pPacket
->p80211Header
->sA4
.wFrameCtl
) != 0) {
1655 u8
* pbyPayloadHead
;
1657 PSKeyItem pTransmitKey
= NULL
;
1659 pbyIVHead
= (u8
*)(pbyTxBufferAddr
+ cbHeaderSize
+ cbMacHdLen
+ uPadding
);
1660 pbyPayloadHead
= (u8
*)(pbyTxBufferAddr
+ cbHeaderSize
+ cbMacHdLen
+ uPadding
+ cbIVlen
);
1662 if ((pDevice
->eOPMode
== OP_MODE_INFRASTRUCTURE
) &&
1663 (pDevice
->bLinkPass
== true)) {
1664 pbyBSSID
= pDevice
->abyBSSID
;
1666 if (KeybGetTransmitKey(&(pDevice
->sKey
), pbyBSSID
, PAIRWISE_KEY
, &pTransmitKey
) == false) {
1668 if(KeybGetTransmitKey(&(pDevice
->sKey
), pbyBSSID
, GROUP_KEY
, &pTransmitKey
) == true) {
1669 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Get GTK.\n");
1673 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Get PTK.\n");
1678 pbyBSSID
= pDevice
->abyBroadcastAddr
;
1679 if(KeybGetTransmitKey(&(pDevice
->sKey
), pbyBSSID
, GROUP_KEY
, &pTransmitKey
) == false) {
1680 pTransmitKey
= NULL
;
1681 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"KEY is NULL. OP Mode[%d]\n", pDevice
->eOPMode
);
1683 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Get GTK.\n");
1687 s_vFillTxKey(pDevice
, (u8
*)(pTxBufHead
->adwTxKey
), pbyIVHead
, pTransmitKey
,
1688 (u8
*)pMACHeader
, (u16
)cbFrameBodySize
, NULL
);
1690 memcpy(pMACHeader
, pPacket
->p80211Header
, cbMacHdLen
);
1691 memcpy(pbyPayloadHead
, ((u8
*)(pPacket
->p80211Header
) + cbMacHdLen
),
1695 // Copy the Packet into a tx Buffer
1696 memcpy(pMACHeader
, pPacket
->p80211Header
, pPacket
->cbMPDULen
);
1699 pMACHeader
->seq_ctrl
= cpu_to_le16(pDevice
->wSeqCounter
<< 4);
1700 pDevice
->wSeqCounter
++ ;
1701 if (pDevice
->wSeqCounter
> 0x0fff)
1702 pDevice
->wSeqCounter
= 0;
1705 // The MAC will automatically replace the Duration-field of MAC header by Duration-field
1706 // of FIFO control header.
1707 // This will cause AID-field of PS-POLL packet be incorrect (Because PS-POLL's AID field is
1708 // in the same place of other packet's Duration-field).
1709 // And it will cause Cisco-AP to issue Disassociation-packet
1710 if (byPktType
== PK_TYPE_11GB
|| byPktType
== PK_TYPE_11GA
) {
1711 ((struct vnt_tx_datahead_g
*)pvTxDataHd
)->wDuration_a
=
1712 cpu_to_le16(pPacket
->p80211Header
->sA2
.wDurationID
);
1713 ((struct vnt_tx_datahead_g
*)pvTxDataHd
)->wDuration_b
=
1714 cpu_to_le16(pPacket
->p80211Header
->sA2
.wDurationID
);
1716 ((struct vnt_tx_datahead_ab
*)pvTxDataHd
)->wDuration
=
1717 cpu_to_le16(pPacket
->p80211Header
->sA2
.wDurationID
);
1721 pTX_Buffer
->wTxByteCount
= cpu_to_le16((u16
)(cbReqCount
));
1722 pTX_Buffer
->byPKTNO
= (u8
) (((wCurrentRate
<<4) &0x00F0) | ((pDevice
->wSeqCounter
- 1) & 0x000F));
1723 pTX_Buffer
->byType
= 0x00;
1725 pContext
->pPacket
= NULL
;
1726 pContext
->Type
= CONTEXT_MGMT_PACKET
;
1727 pContext
->uBufLen
= (u16
)cbReqCount
+ 4; //USB header
1729 if (WLAN_GET_FC_TODS(pMACHeader
->frame_control
) == 0) {
1730 s_vSaveTxPktInfo(pDevice
, (u8
) (pTX_Buffer
->byPKTNO
& 0x0F), &(pMACHeader
->addr1
[0]), (u16
)cbFrameSize
, pTX_Buffer
->wFIFOCtl
);
1733 s_vSaveTxPktInfo(pDevice
, (u8
) (pTX_Buffer
->byPKTNO
& 0x0F), &(pMACHeader
->addr3
[0]), (u16
)cbFrameSize
, pTX_Buffer
->wFIFOCtl
);
1736 PIPEnsSendBulkOut(pDevice
,pContext
);
1737 return CMD_STATUS_PENDING
;
1740 CMD_STATUS
csBeacon_xmit(struct vnt_private
*pDevice
,
1741 struct vnt_tx_mgmt
*pPacket
)
1743 struct vnt_beacon_buffer
*pTX_Buffer
;
1744 u32 cbFrameSize
= pPacket
->cbMPDULen
+ WLAN_FCS_LEN
;
1745 u32 cbHeaderSize
= 0;
1746 u16 wTxBufSize
= sizeof(STxShortBufHead
);
1747 PSTxShortBufHead pTxBufHead
;
1748 struct ieee80211_hdr
*pMACHeader
;
1749 struct vnt_tx_datahead_ab
*pTxDataHead
;
1751 u32 cbFrameBodySize
;
1753 u8
*pbyTxBufferAddr
;
1754 PUSB_SEND_CONTEXT pContext
;
1757 pContext
= (PUSB_SEND_CONTEXT
)s_vGetFreeContext(pDevice
);
1758 if (NULL
== pContext
) {
1759 status
= CMD_STATUS_RESOURCES
;
1760 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"ManagementSend TX...NO CONTEXT!\n");
1764 pTX_Buffer
= (struct vnt_beacon_buffer
*)&pContext
->Data
[0];
1765 pbyTxBufferAddr
= (u8
*)&(pTX_Buffer
->wFIFOCtl
);
1767 cbFrameBodySize
= pPacket
->cbPayloadLen
;
1769 pTxBufHead
= (PSTxShortBufHead
) pbyTxBufferAddr
;
1770 wTxBufSize
= sizeof(STxShortBufHead
);
1772 if (pDevice
->byBBType
== BB_TYPE_11A
) {
1773 wCurrentRate
= RATE_6M
;
1774 pTxDataHead
= (struct vnt_tx_datahead_ab
*)
1775 (pbyTxBufferAddr
+ wTxBufSize
);
1776 //Get SignalField,ServiceField,Length
1777 BBvCalculateParameter(pDevice
, cbFrameSize
, wCurrentRate
, PK_TYPE_11A
,
1779 //Get Duration and TimeStampOff
1780 pTxDataHead
->wDuration
= s_uGetDataDuration(pDevice
,
1781 PK_TYPE_11A
, false);
1782 pTxDataHead
->wTimeStampOff
= vnt_time_stamp_off(pDevice
, wCurrentRate
);
1783 cbHeaderSize
= wTxBufSize
+ sizeof(struct vnt_tx_datahead_ab
);
1785 wCurrentRate
= RATE_1M
;
1786 pTxBufHead
->wFIFOCtl
|= FIFOCTL_11B
;
1787 pTxDataHead
= (struct vnt_tx_datahead_ab
*)
1788 (pbyTxBufferAddr
+ wTxBufSize
);
1789 //Get SignalField,ServiceField,Length
1790 BBvCalculateParameter(pDevice
, cbFrameSize
, wCurrentRate
, PK_TYPE_11B
,
1792 //Get Duration and TimeStampOff
1793 pTxDataHead
->wDuration
= s_uGetDataDuration(pDevice
,
1794 PK_TYPE_11B
, false);
1795 pTxDataHead
->wTimeStampOff
= vnt_time_stamp_off(pDevice
, wCurrentRate
);
1796 cbHeaderSize
= wTxBufSize
+ sizeof(struct vnt_tx_datahead_ab
);
1799 //Generate Beacon Header
1800 pMACHeader
= (struct ieee80211_hdr
*)(pbyTxBufferAddr
+ cbHeaderSize
);
1801 memcpy(pMACHeader
, pPacket
->p80211Header
, pPacket
->cbMPDULen
);
1803 pMACHeader
->duration_id
= 0;
1804 pMACHeader
->seq_ctrl
= cpu_to_le16(pDevice
->wSeqCounter
<< 4);
1805 pDevice
->wSeqCounter
++ ;
1806 if (pDevice
->wSeqCounter
> 0x0fff)
1807 pDevice
->wSeqCounter
= 0;
1809 cbReqCount
= cbHeaderSize
+ WLAN_HDR_ADDR3_LEN
+ cbFrameBodySize
;
1811 pTX_Buffer
->wTxByteCount
= (u16
)cbReqCount
;
1812 pTX_Buffer
->byPKTNO
= (u8
) (((wCurrentRate
<<4) &0x00F0) | ((pDevice
->wSeqCounter
- 1) & 0x000F));
1813 pTX_Buffer
->byType
= 0x01;
1815 pContext
->pPacket
= NULL
;
1816 pContext
->Type
= CONTEXT_MGMT_PACKET
;
1817 pContext
->uBufLen
= (u16
)cbReqCount
+ 4; //USB header
1819 PIPEnsSendBulkOut(pDevice
,pContext
);
1820 return CMD_STATUS_PENDING
;
1824 void vDMA0_tx_80211(struct vnt_private
*pDevice
, struct sk_buff
*skb
)
1826 struct vnt_manager
*pMgmt
= &pDevice
->vnt_mgmt
;
1827 struct vnt_tx_buffer
*pTX_Buffer
;
1829 u8
*pbyTxBufferAddr
;
1830 void *pvRTS
, *pvCTS
, *pvTxDataHd
;
1831 u32 uDuration
, cbReqCount
;
1832 struct ieee80211_hdr
*pMACHeader
;
1833 u32 cbHeaderSize
, cbFrameBodySize
;
1834 int bNeedACK
, bIsPSPOLL
= false;
1835 PSTxBufHead pTxBufHead
;
1837 u32 cbIVlen
= 0, cbICVlen
= 0, cbMIClen
= 0, cbFCSlen
= 4;
1839 u32 cbMICHDR
= 0, uLength
= 0;
1840 u32 dwMICKey0
, dwMICKey1
;
1842 u32
*pdwMIC_L
, *pdwMIC_R
;
1845 struct ethhdr sEthHeader
;
1846 void *pvRrvTime
, *pMICHDR
;
1847 u32 wCurrentRate
= RATE_1M
;
1848 PUWLAN_80211HDR p80211Header
;
1850 int bNodeExist
= false;
1852 PSKeyItem pTransmitKey
= NULL
;
1853 u8
*pbyIVHead
, *pbyPayloadHead
, *pbyMacHdr
;
1854 u32 cbExtSuppRate
= 0;
1855 PUSB_SEND_CONTEXT pContext
;
1857 pvRrvTime
= pMICHDR
= pvRTS
= pvCTS
= pvTxDataHd
= NULL
;
1859 if(skb
->len
<= WLAN_HDR_ADDR3_LEN
) {
1860 cbFrameBodySize
= 0;
1863 cbFrameBodySize
= skb
->len
- WLAN_HDR_ADDR3_LEN
;
1865 p80211Header
= (PUWLAN_80211HDR
)skb
->data
;
1867 pContext
= (PUSB_SEND_CONTEXT
)s_vGetFreeContext(pDevice
);
1869 if (NULL
== pContext
) {
1870 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"DMA0 TX...NO CONTEXT!\n");
1871 dev_kfree_skb_irq(skb
);
1875 pTX_Buffer
= (struct vnt_tx_buffer
*)&pContext
->Data
[0];
1876 pbyTxBufferAddr
= (u8
*)(&pTX_Buffer
->adwTxKey
[0]);
1877 pTxBufHead
= (PSTxBufHead
) pbyTxBufferAddr
;
1878 wTxBufSize
= sizeof(STxBufHead
);
1880 if (pDevice
->byBBType
== BB_TYPE_11A
) {
1881 wCurrentRate
= RATE_6M
;
1882 byPktType
= PK_TYPE_11A
;
1884 wCurrentRate
= RATE_1M
;
1885 byPktType
= PK_TYPE_11B
;
1888 // SetPower will cause error power TX state for OFDM Date packet in TX buffer.
1889 // 2004.11.11 Kyle -- Using OFDM power to tx MngPkt will decrease the connection capability.
1890 // And cmd timer will wait data pkt TX finish before scanning so it's OK
1891 // to set power here.
1892 if (pMgmt
->eScanState
!= WMAC_NO_SCANNING
) {
1893 RFbSetPower(pDevice
, wCurrentRate
, pDevice
->byCurrentCh
);
1895 RFbSetPower(pDevice
, wCurrentRate
, pMgmt
->uCurrChannel
);
1898 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"vDMA0_tx_80211: p80211Header->sA3.wFrameCtl = %x \n", p80211Header
->sA3
.wFrameCtl
);
1901 if (byPktType
== PK_TYPE_11A
) {//0000 0000 0000 0000
1902 pTxBufHead
->wFIFOCtl
= 0;
1904 else if (byPktType
== PK_TYPE_11B
) {//0000 0001 0000 0000
1905 pTxBufHead
->wFIFOCtl
|= FIFOCTL_11B
;
1907 else if (byPktType
== PK_TYPE_11GB
) {//0000 0010 0000 0000
1908 pTxBufHead
->wFIFOCtl
|= FIFOCTL_11GB
;
1910 else if (byPktType
== PK_TYPE_11GA
) {//0000 0011 0000 0000
1911 pTxBufHead
->wFIFOCtl
|= FIFOCTL_11GA
;
1914 pTxBufHead
->wFIFOCtl
|= FIFOCTL_TMOEN
;
1915 pTxBufHead
->wTimeStamp
= cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us
);
1917 if (is_multicast_ether_addr(p80211Header
->sA3
.abyAddr1
)) {
1919 if (pDevice
->bEnableHostWEP
) {
1925 if (pDevice
->bEnableHostWEP
) {
1926 if (BSSbIsSTAInNodeDB(pDevice
, (u8
*)(p80211Header
->sA3
.abyAddr1
), &uNodeIndex
))
1930 pTxBufHead
->wFIFOCtl
|= FIFOCTL_NEEDACK
;
1933 if ((pMgmt
->eCurrMode
== WMAC_MODE_ESS_AP
) ||
1934 (pMgmt
->eCurrMode
== WMAC_MODE_IBSS_STA
) ) {
1936 pTxBufHead
->wFIFOCtl
|= FIFOCTL_LRETRY
;
1937 //Set Preamble type always long
1938 //pDevice->byPreambleType = PREAMBLE_LONG;
1940 // probe-response don't retry
1941 //if ((p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_MGMT_PROBE_RSP) {
1942 // bNeedACK = false;
1943 // pTxBufHead->wFIFOCtl &= (~FIFOCTL_NEEDACK);
1947 pTxBufHead
->wFIFOCtl
|= (FIFOCTL_GENINT
| FIFOCTL_ISDMA0
);
1949 if ((p80211Header
->sA4
.wFrameCtl
& TYPE_SUBTYPE_MASK
) == TYPE_CTL_PSPOLL
) {
1951 cbMacHdLen
= WLAN_HDR_ADDR2_LEN
;
1953 cbMacHdLen
= WLAN_HDR_ADDR3_LEN
;
1956 // hostapd daemon ext support rate patch
1957 if (WLAN_GET_FC_FSTYPE(p80211Header
->sA4
.wFrameCtl
) == WLAN_FSTYPE_ASSOCRESP
) {
1959 if (((PWLAN_IE_SUPP_RATES
)pMgmt
->abyCurrSuppRates
)->len
!= 0) {
1960 cbExtSuppRate
+= ((PWLAN_IE_SUPP_RATES
)pMgmt
->abyCurrSuppRates
)->len
+ WLAN_IEHDR_LEN
;
1963 if (((PWLAN_IE_SUPP_RATES
)pMgmt
->abyCurrExtSuppRates
)->len
!= 0) {
1964 cbExtSuppRate
+= ((PWLAN_IE_SUPP_RATES
)pMgmt
->abyCurrExtSuppRates
)->len
+ WLAN_IEHDR_LEN
;
1967 if (cbExtSuppRate
>0) {
1968 cbFrameBodySize
= WLAN_ASSOCRESP_OFF_SUPP_RATES
;
1972 //Set FRAGCTL_MACHDCNT
1973 pTxBufHead
->wFragCtl
|= cpu_to_le16((u16
)cbMacHdLen
<< 10);
1976 // Although spec says MMPDU can be fragmented; In most case,
1977 // no one will send a MMPDU under fragmentation. With RTS may occur.
1978 pDevice
->bAES
= false; //Set FRAGCTL_WEPTYP
1980 if (WLAN_GET_FC_ISWEP(p80211Header
->sA4
.wFrameCtl
) != 0) {
1981 if (pDevice
->eEncryptionStatus
== Ndis802_11Encryption1Enabled
) {
1984 pTxBufHead
->wFragCtl
|= FRAGCTL_LEGACY
;
1986 else if (pDevice
->eEncryptionStatus
== Ndis802_11Encryption2Enabled
) {
1987 cbIVlen
= 8;//IV+ExtIV
1990 pTxBufHead
->wFragCtl
|= FRAGCTL_TKIP
;
1991 //We need to get seed here for filling TxKey entry.
1992 //TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr,
1993 // pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, pDevice->abyPRNG);
1995 else if (pDevice
->eEncryptionStatus
== Ndis802_11Encryption3Enabled
) {
1996 cbIVlen
= 8;//RSN Header
1998 cbMICHDR
= sizeof(struct vnt_mic_hdr
);
1999 pTxBufHead
->wFragCtl
|= FRAGCTL_AES
;
2000 pDevice
->bAES
= true;
2002 //MAC Header should be padding 0 to DW alignment.
2003 uPadding
= 4 - (cbMacHdLen
%4);
2007 cbFrameSize
= cbMacHdLen
+ cbFrameBodySize
+ cbIVlen
+ cbMIClen
+ cbICVlen
+ cbFCSlen
+ cbExtSuppRate
;
2009 //Set FIFOCTL_GrpAckPolicy
2010 if (pDevice
->bGrpAckPolicy
== true) {//0000 0100 0000 0000
2011 pTxBufHead
->wFIFOCtl
|= FIFOCTL_GRPACK
;
2013 //the rest of pTxBufHead->wFragCtl:FragTyp will be set later in s_vFillFragParameter()
2015 if (byPktType
== PK_TYPE_11GB
|| byPktType
== PK_TYPE_11GA
) {//802.11g packet
2016 pvRrvTime
= (struct vnt_rrv_time_cts
*) (pbyTxBufferAddr
+ wTxBufSize
);
2017 pMICHDR
= (struct vnt_mic_hdr
*) (pbyTxBufferAddr
+ wTxBufSize
+
2018 sizeof(struct vnt_rrv_time_cts
));
2020 pvCTS
= (struct vnt_cts
*) (pbyTxBufferAddr
+ wTxBufSize
+
2021 sizeof(struct vnt_rrv_time_cts
) + cbMICHDR
);
2022 pvTxDataHd
= (struct vnt_tx_datahead_g
*) (pbyTxBufferAddr
+
2023 wTxBufSize
+ sizeof(struct vnt_rrv_time_cts
) + cbMICHDR
+
2024 sizeof(struct vnt_cts
));
2025 cbHeaderSize
= wTxBufSize
+ sizeof(struct vnt_rrv_time_cts
) + cbMICHDR
+
2026 sizeof(struct vnt_cts
) + sizeof(struct vnt_tx_datahead_g
);
2029 else {//802.11a/b packet
2031 pvRrvTime
= (struct vnt_rrv_time_ab
*) (pbyTxBufferAddr
+ wTxBufSize
);
2032 pMICHDR
= (struct vnt_mic_hdr
*) (pbyTxBufferAddr
+ wTxBufSize
+
2033 sizeof(struct vnt_rrv_time_ab
));
2036 pvTxDataHd
= (struct vnt_tx_datahead_ab
*)(pbyTxBufferAddr
+
2037 wTxBufSize
+ sizeof(struct vnt_rrv_time_ab
) + cbMICHDR
);
2038 cbHeaderSize
= wTxBufSize
+ sizeof(struct vnt_rrv_time_ab
) + cbMICHDR
+
2039 sizeof(struct vnt_tx_datahead_ab
);
2041 memcpy(&(sEthHeader
.h_dest
[0]),
2042 &(p80211Header
->sA3
.abyAddr1
[0]),
2044 memcpy(&(sEthHeader
.h_source
[0]),
2045 &(p80211Header
->sA3
.abyAddr2
[0]),
2047 //=========================
2049 //=========================
2050 pTxBufHead
->wFragCtl
|= (u16
)FRAGCTL_NONFRAG
;
2052 //Fill FIFO,RrvTime,RTS,and CTS
2053 s_vGenerateTxParameter(pDevice
, byPktType
, wCurrentRate
, pbyTxBufferAddr
, pvRrvTime
, pvRTS
, pvCTS
,
2054 cbFrameSize
, bNeedACK
, TYPE_TXDMA0
, &sEthHeader
);
2057 uDuration
= s_uFillDataHead(pDevice
, byPktType
, wCurrentRate
, pvTxDataHd
, cbFrameSize
, TYPE_TXDMA0
, bNeedACK
,
2060 pMACHeader
= (struct ieee80211_hdr
*) (pbyTxBufferAddr
+ cbHeaderSize
);
2062 cbReqCount
= cbHeaderSize
+ cbMacHdLen
+ uPadding
+ cbIVlen
+ (cbFrameBodySize
+ cbMIClen
) + cbExtSuppRate
;
2064 pbyMacHdr
= (u8
*)(pbyTxBufferAddr
+ cbHeaderSize
);
2065 pbyPayloadHead
= (u8
*)(pbyMacHdr
+ cbMacHdLen
+ uPadding
+ cbIVlen
);
2066 pbyIVHead
= (u8
*)(pbyMacHdr
+ cbMacHdLen
+ uPadding
);
2068 // Copy the Packet into a tx Buffer
2069 memcpy(pbyMacHdr
, skb
->data
, cbMacHdLen
);
2071 // version set to 0, patch for hostapd deamon
2072 pMACHeader
->frame_control
&= cpu_to_le16(0xfffc);
2073 memcpy(pbyPayloadHead
, (skb
->data
+ cbMacHdLen
), cbFrameBodySize
);
2075 // replace support rate, patch for hostapd daemon( only support 11M)
2076 if (WLAN_GET_FC_FSTYPE(p80211Header
->sA4
.wFrameCtl
) == WLAN_FSTYPE_ASSOCRESP
) {
2077 if (cbExtSuppRate
!= 0) {
2078 if (((PWLAN_IE_SUPP_RATES
)pMgmt
->abyCurrSuppRates
)->len
!= 0)
2079 memcpy((pbyPayloadHead
+ cbFrameBodySize
),
2080 pMgmt
->abyCurrSuppRates
,
2081 ((PWLAN_IE_SUPP_RATES
)pMgmt
->abyCurrSuppRates
)->len
+ WLAN_IEHDR_LEN
2083 if (((PWLAN_IE_SUPP_RATES
)pMgmt
->abyCurrExtSuppRates
)->len
!= 0)
2084 memcpy((pbyPayloadHead
+ cbFrameBodySize
) + ((PWLAN_IE_SUPP_RATES
)pMgmt
->abyCurrSuppRates
)->len
+ WLAN_IEHDR_LEN
,
2085 pMgmt
->abyCurrExtSuppRates
,
2086 ((PWLAN_IE_SUPP_RATES
)pMgmt
->abyCurrExtSuppRates
)->len
+ WLAN_IEHDR_LEN
2092 if (WLAN_GET_FC_ISWEP(p80211Header
->sA4
.wFrameCtl
) != 0) {
2094 if (pDevice
->bEnableHostWEP
) {
2095 pTransmitKey
= &STempKey
;
2096 pTransmitKey
->byCipherSuite
= pMgmt
->sNodeDBTable
[uNodeIndex
].byCipherSuite
;
2097 pTransmitKey
->dwKeyIndex
= pMgmt
->sNodeDBTable
[uNodeIndex
].dwKeyIndex
;
2098 pTransmitKey
->uKeyLength
= pMgmt
->sNodeDBTable
[uNodeIndex
].uWepKeyLength
;
2099 pTransmitKey
->dwTSC47_16
= pMgmt
->sNodeDBTable
[uNodeIndex
].dwTSC47_16
;
2100 pTransmitKey
->wTSC15_0
= pMgmt
->sNodeDBTable
[uNodeIndex
].wTSC15_0
;
2101 memcpy(pTransmitKey
->abyKey
,
2102 &pMgmt
->sNodeDBTable
[uNodeIndex
].abyWepKey
[0],
2103 pTransmitKey
->uKeyLength
2107 if ((pTransmitKey
!= NULL
) && (pTransmitKey
->byCipherSuite
== KEY_CTL_TKIP
)) {
2109 dwMICKey0
= *(u32
*)(&pTransmitKey
->abyKey
[16]);
2110 dwMICKey1
= *(u32
*)(&pTransmitKey
->abyKey
[20]);
2112 // DO Software Michael
2113 MIC_vInit(dwMICKey0
, dwMICKey1
);
2114 MIC_vAppend((u8
*)&(sEthHeader
.h_dest
[0]), 12);
2116 MIC_vAppend((u8
*)&dwMIC_Priority
, 4);
2117 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"DMA0_tx_8021:MIC KEY:"\
2118 " %X, %X\n", dwMICKey0
, dwMICKey1
);
2120 uLength
= cbHeaderSize
+ cbMacHdLen
+ uPadding
+ cbIVlen
;
2122 MIC_vAppend((pbyTxBufferAddr
+ uLength
), cbFrameBodySize
);
2124 pdwMIC_L
= (u32
*)(pbyTxBufferAddr
+ uLength
+ cbFrameBodySize
);
2125 pdwMIC_R
= (u32
*)(pbyTxBufferAddr
+ uLength
+ cbFrameBodySize
+ 4);
2127 MIC_vGetMIC(pdwMIC_L
, pdwMIC_R
);
2130 if (pDevice
->bTxMICFail
== true) {
2133 pDevice
->bTxMICFail
= false;
2136 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"uLength: %d, %d\n", uLength
, cbFrameBodySize
);
2137 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"cbReqCount:%d, %d, %d, %d\n", cbReqCount
, cbHeaderSize
, uPadding
, cbIVlen
);
2138 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"MIC:%x, %x\n",
2139 *pdwMIC_L
, *pdwMIC_R
);
2143 s_vFillTxKey(pDevice
, (u8
*)(pTxBufHead
->adwTxKey
), pbyIVHead
, pTransmitKey
,
2144 pbyMacHdr
, (u16
)cbFrameBodySize
, pMICHDR
);
2146 if (pDevice
->bEnableHostWEP
) {
2147 pMgmt
->sNodeDBTable
[uNodeIndex
].dwTSC47_16
= pTransmitKey
->dwTSC47_16
;
2148 pMgmt
->sNodeDBTable
[uNodeIndex
].wTSC15_0
= pTransmitKey
->wTSC15_0
;
2151 if ((pDevice
->byLocalID
<= REV_ID_VT3253_A1
)) {
2152 s_vSWencryption(pDevice
, pTransmitKey
, pbyPayloadHead
, (u16
)(cbFrameBodySize
+ cbMIClen
));
2156 pMACHeader
->seq_ctrl
= cpu_to_le16(pDevice
->wSeqCounter
<< 4);
2157 pDevice
->wSeqCounter
++ ;
2158 if (pDevice
->wSeqCounter
> 0x0fff)
2159 pDevice
->wSeqCounter
= 0;
2162 // The MAC will automatically replace the Duration-field of MAC header by Duration-field
2163 // of FIFO control header.
2164 // This will cause AID-field of PS-POLL packet be incorrect (Because PS-POLL's AID field is
2165 // in the same place of other packet's Duration-field).
2166 // And it will cause Cisco-AP to issue Disassociation-packet
2167 if (byPktType
== PK_TYPE_11GB
|| byPktType
== PK_TYPE_11GA
) {
2168 ((struct vnt_tx_datahead_g
*)pvTxDataHd
)->wDuration_a
=
2169 cpu_to_le16(p80211Header
->sA2
.wDurationID
);
2170 ((struct vnt_tx_datahead_g
*)pvTxDataHd
)->wDuration_b
=
2171 cpu_to_le16(p80211Header
->sA2
.wDurationID
);
2173 ((struct vnt_tx_datahead_ab
*)pvTxDataHd
)->wDuration
=
2174 cpu_to_le16(p80211Header
->sA2
.wDurationID
);
2178 pTX_Buffer
->wTxByteCount
= cpu_to_le16((u16
)(cbReqCount
));
2179 pTX_Buffer
->byPKTNO
= (u8
) (((wCurrentRate
<<4) &0x00F0) | ((pDevice
->wSeqCounter
- 1) & 0x000F));
2180 pTX_Buffer
->byType
= 0x00;
2182 pContext
->pPacket
= skb
;
2183 pContext
->Type
= CONTEXT_MGMT_PACKET
;
2184 pContext
->uBufLen
= (u16
)cbReqCount
+ 4; //USB header
2186 if (WLAN_GET_FC_TODS(pMACHeader
->frame_control
) == 0) {
2187 s_vSaveTxPktInfo(pDevice
, (u8
) (pTX_Buffer
->byPKTNO
& 0x0F), &(pMACHeader
->addr1
[0]), (u16
)cbFrameSize
, pTX_Buffer
->wFIFOCtl
);
2190 s_vSaveTxPktInfo(pDevice
, (u8
) (pTX_Buffer
->byPKTNO
& 0x0F), &(pMACHeader
->addr3
[0]), (u16
)cbFrameSize
, pTX_Buffer
->wFIFOCtl
);
2192 PIPEnsSendBulkOut(pDevice
,pContext
);
2197 //TYPE_AC0DMA data tx
2200 * Tx packet via AC0DMA(DMA1)
2204 * pDevice - Pointer to the adapter
2205 * skb - Pointer to tx skb packet
2209 * Return Value: NULL
2212 int nsDMA_tx_packet(struct vnt_private
*pDevice
,
2213 u32 uDMAIdx
, struct sk_buff
*skb
)
2215 struct net_device_stats
*pStats
= &pDevice
->stats
;
2216 struct vnt_manager
*pMgmt
= &pDevice
->vnt_mgmt
;
2217 struct vnt_tx_buffer
*pTX_Buffer
;
2218 u32 BytesToWrite
= 0, uHeaderLen
= 0;
2220 u8 byMask
[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
2223 int bNeedEncryption
= false;
2224 PSKeyItem pTransmitKey
= NULL
;
2227 int bTKIP_UseGTK
= false;
2228 int bNeedDeAuth
= false;
2230 int bNodeExist
= false;
2231 PUSB_SEND_CONTEXT pContext
;
2232 bool fConvertedPacket
;
2234 u16 wKeepRate
= pDevice
->wCurrentRate
;
2235 int bTxeapol_key
= false;
2237 if (pMgmt
->eCurrMode
== WMAC_MODE_ESS_AP
) {
2239 if (pDevice
->uAssocCount
== 0) {
2240 dev_kfree_skb_irq(skb
);
2244 if (is_multicast_ether_addr((u8
*)(skb
->data
))) {
2247 if (pMgmt
->sNodeDBTable
[0].bPSEnable
) {
2249 skb_queue_tail(&(pMgmt
->sNodeDBTable
[0].sTxPSQueue
), skb
);
2250 pMgmt
->sNodeDBTable
[0].wEnQueueCnt
++;
2252 pMgmt
->abyPSTxMap
[0] |= byMask
[0];
2255 // multicast/broadcast data rate
2257 if (pDevice
->byBBType
!= BB_TYPE_11A
)
2258 pDevice
->wCurrentRate
= RATE_2M
;
2260 pDevice
->wCurrentRate
= RATE_24M
;
2261 // long preamble type
2262 pDevice
->byPreambleType
= PREAMBLE_SHORT
;
2266 if (BSSbIsSTAInNodeDB(pDevice
, (u8
*)(skb
->data
), &uNodeIndex
)) {
2268 if (pMgmt
->sNodeDBTable
[uNodeIndex
].bPSEnable
) {
2270 skb_queue_tail(&pMgmt
->sNodeDBTable
[uNodeIndex
].sTxPSQueue
, skb
);
2272 pMgmt
->sNodeDBTable
[uNodeIndex
].wEnQueueCnt
++;
2274 wAID
= pMgmt
->sNodeDBTable
[uNodeIndex
].wAID
;
2275 pMgmt
->abyPSTxMap
[wAID
>> 3] |= byMask
[wAID
& 7];
2276 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Set:pMgmt->abyPSTxMap[%d]= %d\n",
2277 (wAID
>> 3), pMgmt
->abyPSTxMap
[wAID
>> 3]);
2281 // AP rate decided from node
2282 pDevice
->wCurrentRate
= pMgmt
->sNodeDBTable
[uNodeIndex
].wTxDataRate
;
2283 // tx preamble decided from node
2285 if (pMgmt
->sNodeDBTable
[uNodeIndex
].bShortPreamble
) {
2286 pDevice
->byPreambleType
= pDevice
->byShortPreamble
;
2289 pDevice
->byPreambleType
= PREAMBLE_LONG
;
2295 if (bNodeExist
== false) {
2296 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_DEBUG
"Unknown STA not found in node DB \n");
2297 dev_kfree_skb_irq(skb
);
2302 pContext
= (PUSB_SEND_CONTEXT
)s_vGetFreeContext(pDevice
);
2304 if (pContext
== NULL
) {
2305 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_DEBUG
" pContext == NULL\n");
2306 dev_kfree_skb_irq(skb
);
2307 return STATUS_RESOURCES
;
2310 memcpy(pDevice
->sTxEthHeader
.h_dest
, (u8
*)(skb
->data
), ETH_HLEN
);
2312 //mike add:station mode check eapol-key challenge--->
2314 u8 Protocol_Version
; //802.1x Authentication
2315 u8 Packet_Type
; //802.1x Authentication
2319 Protocol_Version
= skb
->data
[ETH_HLEN
];
2320 Packet_Type
= skb
->data
[ETH_HLEN
+1];
2321 Descriptor_type
= skb
->data
[ETH_HLEN
+1+1+2];
2322 Key_info
= (skb
->data
[ETH_HLEN
+1+1+2+1] << 8)|(skb
->data
[ETH_HLEN
+1+1+2+2]);
2323 if (pDevice
->sTxEthHeader
.h_proto
== cpu_to_be16(ETH_P_PAE
)) {
2324 /* 802.1x OR eapol-key challenge frame transfer */
2325 if (((Protocol_Version
== 1) || (Protocol_Version
== 2)) &&
2326 (Packet_Type
== 3)) {
2327 bTxeapol_key
= true;
2328 if(!(Key_info
& BIT3
) && //WPA or RSN group-key challenge
2329 (Key_info
& BIT8
) && (Key_info
& BIT9
)) { //send 2/2 key
2330 if(Descriptor_type
==254) {
2331 pDevice
->fWPA_Authened
= true;
2335 pDevice
->fWPA_Authened
= true;
2336 PRINT_K("WPA2(re-keying) ");
2338 PRINT_K("Authentication completed!!\n");
2340 else if((Key_info
& BIT3
) && (Descriptor_type
==2) && //RSN pairwise-key challenge
2341 (Key_info
& BIT8
) && (Key_info
& BIT9
)) {
2342 pDevice
->fWPA_Authened
= true;
2343 PRINT_K("WPA2 Authentication completed!!\n");
2348 //mike add:station mode check eapol-key challenge<---
2350 if (pDevice
->bEncryptionEnable
== true) {
2351 bNeedEncryption
= true;
2354 if ((pMgmt
->eCurrMode
== WMAC_MODE_ESS_STA
) &&
2355 (pMgmt
->eCurrState
== WMAC_STATE_ASSOC
)) {
2356 pbyBSSID
= pDevice
->abyBSSID
;
2358 if (KeybGetTransmitKey(&(pDevice
->sKey
), pbyBSSID
, PAIRWISE_KEY
, &pTransmitKey
) == false) {
2360 if(KeybGetTransmitKey(&(pDevice
->sKey
), pbyBSSID
, GROUP_KEY
, &pTransmitKey
) == true) {
2361 bTKIP_UseGTK
= true;
2362 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_DEBUG
"Get GTK.\n");
2366 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_DEBUG
"Get PTK.\n");
2369 }else if (pMgmt
->eCurrMode
== WMAC_MODE_IBSS_STA
) {
2370 /* TO_DS = 0 and FROM_DS = 0 --> 802.11 MAC Address1 */
2371 pbyBSSID
= pDevice
->sTxEthHeader
.h_dest
;
2372 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_DEBUG
"IBSS Serach Key: \n");
2373 for (ii
= 0; ii
< 6; ii
++)
2374 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_DEBUG
"%x \n", *(pbyBSSID
+ii
));
2375 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_DEBUG
"\n");
2378 if(KeybGetTransmitKey(&(pDevice
->sKey
), pbyBSSID
, PAIRWISE_KEY
, &pTransmitKey
) == true)
2382 pbyBSSID
= pDevice
->abyBroadcastAddr
;
2383 if(KeybGetTransmitKey(&(pDevice
->sKey
), pbyBSSID
, GROUP_KEY
, &pTransmitKey
) == false) {
2384 pTransmitKey
= NULL
;
2385 if (pMgmt
->eCurrMode
== WMAC_MODE_IBSS_STA
) {
2386 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_DEBUG
"IBSS and KEY is NULL. [%d]\n", pMgmt
->eCurrMode
);
2389 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_DEBUG
"NOT IBSS and KEY is NULL. [%d]\n", pMgmt
->eCurrMode
);
2391 bTKIP_UseGTK
= true;
2392 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_DEBUG
"Get GTK.\n");
2397 if (pDevice
->bEnableHostWEP
) {
2398 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_DEBUG
"acdma0: STA index %d\n", uNodeIndex
);
2399 if (pDevice
->bEncryptionEnable
== true) {
2400 pTransmitKey
= &STempKey
;
2401 pTransmitKey
->byCipherSuite
= pMgmt
->sNodeDBTable
[uNodeIndex
].byCipherSuite
;
2402 pTransmitKey
->dwKeyIndex
= pMgmt
->sNodeDBTable
[uNodeIndex
].dwKeyIndex
;
2403 pTransmitKey
->uKeyLength
= pMgmt
->sNodeDBTable
[uNodeIndex
].uWepKeyLength
;
2404 pTransmitKey
->dwTSC47_16
= pMgmt
->sNodeDBTable
[uNodeIndex
].dwTSC47_16
;
2405 pTransmitKey
->wTSC15_0
= pMgmt
->sNodeDBTable
[uNodeIndex
].wTSC15_0
;
2406 memcpy(pTransmitKey
->abyKey
,
2407 &pMgmt
->sNodeDBTable
[uNodeIndex
].abyWepKey
[0],
2408 pTransmitKey
->uKeyLength
2413 byPktType
= (u8
)pDevice
->byPacketType
;
2415 if (pDevice
->bFixRate
) {
2416 if (pDevice
->byBBType
== BB_TYPE_11B
) {
2417 if (pDevice
->uConnectionRate
>= RATE_11M
) {
2418 pDevice
->wCurrentRate
= RATE_11M
;
2420 pDevice
->wCurrentRate
= (u16
)pDevice
->uConnectionRate
;
2423 if ((pDevice
->byBBType
== BB_TYPE_11A
) &&
2424 (pDevice
->uConnectionRate
<= RATE_6M
)) {
2425 pDevice
->wCurrentRate
= RATE_6M
;
2427 if (pDevice
->uConnectionRate
>= RATE_54M
)
2428 pDevice
->wCurrentRate
= RATE_54M
;
2430 pDevice
->wCurrentRate
= (u16
)pDevice
->uConnectionRate
;
2435 if (pDevice
->eOPMode
== OP_MODE_ADHOC
) {
2436 // Adhoc Tx rate decided from node DB
2437 if (is_multicast_ether_addr(pDevice
->sTxEthHeader
.h_dest
)) {
2438 // Multicast use highest data rate
2439 pDevice
->wCurrentRate
= pMgmt
->sNodeDBTable
[0].wTxDataRate
;
2441 pDevice
->byPreambleType
= pDevice
->byShortPreamble
;
2444 if (BSSbIsSTAInNodeDB(pDevice
, &(pDevice
->sTxEthHeader
.h_dest
[0]), &uNodeIndex
)) {
2445 pDevice
->wCurrentRate
= pMgmt
->sNodeDBTable
[uNodeIndex
].wTxDataRate
;
2446 if (pMgmt
->sNodeDBTable
[uNodeIndex
].bShortPreamble
) {
2447 pDevice
->byPreambleType
= pDevice
->byShortPreamble
;
2451 pDevice
->byPreambleType
= PREAMBLE_LONG
;
2453 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Found Node Index is [%d] Tx Data Rate:[%d]\n",uNodeIndex
, pDevice
->wCurrentRate
);
2456 if (pDevice
->byBBType
!= BB_TYPE_11A
)
2457 pDevice
->wCurrentRate
= RATE_2M
;
2459 pDevice
->wCurrentRate
= RATE_24M
; // refer to vMgrCreateOwnIBSS()'s
2460 // abyCurrExtSuppRates[]
2461 pDevice
->byPreambleType
= PREAMBLE_SHORT
;
2462 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Not Found Node use highest basic Rate.....\n");
2466 if (pDevice
->eOPMode
== OP_MODE_INFRASTRUCTURE
) {
2467 // Infra STA rate decided from AP Node, index = 0
2468 pDevice
->wCurrentRate
= pMgmt
->sNodeDBTable
[0].wTxDataRate
;
2472 if (pDevice
->sTxEthHeader
.h_proto
== cpu_to_be16(ETH_P_PAE
)) {
2473 if (pDevice
->byBBType
!= BB_TYPE_11A
) {
2474 pDevice
->wCurrentRate
= RATE_1M
;
2475 pDevice
->byACKRate
= RATE_1M
;
2476 pDevice
->byTopCCKBasicRate
= RATE_1M
;
2477 pDevice
->byTopOFDMBasicRate
= RATE_6M
;
2479 pDevice
->wCurrentRate
= RATE_6M
;
2480 pDevice
->byACKRate
= RATE_6M
;
2481 pDevice
->byTopCCKBasicRate
= RATE_1M
;
2482 pDevice
->byTopOFDMBasicRate
= RATE_6M
;
2486 DBG_PRT(MSG_LEVEL_DEBUG
,
2487 KERN_INFO
"dma_tx: pDevice->wCurrentRate = %d\n",
2488 pDevice
->wCurrentRate
);
2490 if (wKeepRate
!= pDevice
->wCurrentRate
) {
2491 bScheduleCommand((void *) pDevice
, WLAN_CMD_SETPOWER
, NULL
);
2494 if (pDevice
->wCurrentRate
<= RATE_11M
) {
2495 byPktType
= PK_TYPE_11B
;
2498 if (bNeedEncryption
== true) {
2499 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"ntohs Pkt Type=%04x\n", ntohs(pDevice
->sTxEthHeader
.h_proto
));
2500 if ((pDevice
->sTxEthHeader
.h_proto
) == cpu_to_be16(ETH_P_PAE
)) {
2501 bNeedEncryption
= false;
2502 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Pkt Type=%04x\n", (pDevice
->sTxEthHeader
.h_proto
));
2503 if ((pMgmt
->eCurrMode
== WMAC_MODE_ESS_STA
) && (pMgmt
->eCurrState
== WMAC_STATE_ASSOC
)) {
2504 if (pTransmitKey
== NULL
) {
2505 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Don't Find TX KEY\n");
2508 if (bTKIP_UseGTK
== true) {
2509 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"error: KEY is GTK!!~~\n");
2512 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Find PTK [%X]\n",
2513 pTransmitKey
->dwKeyIndex
);
2514 bNeedEncryption
= true;
2519 if (pDevice
->bEnableHostWEP
) {
2520 if ((uNodeIndex
!= 0) &&
2521 (pMgmt
->sNodeDBTable
[uNodeIndex
].dwKeyIndex
& PAIRWISE_KEY
)) {
2522 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"Find PTK [%X]\n",
2523 pTransmitKey
->dwKeyIndex
);
2524 bNeedEncryption
= true;
2530 if (pTransmitKey
== NULL
) {
2531 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_INFO
"return no tx key\n");
2532 pContext
->bBoolInUse
= false;
2533 dev_kfree_skb_irq(skb
);
2534 pStats
->tx_dropped
++;
2535 return STATUS_FAILURE
;
2540 pTX_Buffer
= (struct vnt_tx_buffer
*)&pContext
->Data
[0];
2542 fConvertedPacket
= s_bPacketToWirelessUsb(pDevice
, byPktType
,
2543 pTX_Buffer
, bNeedEncryption
,
2544 skb
->len
, uDMAIdx
, &pDevice
->sTxEthHeader
,
2545 (u8
*)skb
->data
, pTransmitKey
, uNodeIndex
,
2546 pDevice
->wCurrentRate
,
2547 &uHeaderLen
, &BytesToWrite
2550 if (fConvertedPacket
== false) {
2551 pContext
->bBoolInUse
= false;
2552 dev_kfree_skb_irq(skb
);
2553 return STATUS_FAILURE
;
2556 if ( pDevice
->bEnablePSMode
== true ) {
2557 if ( !pDevice
->bPSModeTxBurst
) {
2558 bScheduleCommand((void *) pDevice
,
2559 WLAN_CMD_MAC_DISPOWERSAVING
,
2561 pDevice
->bPSModeTxBurst
= true;
2565 pTX_Buffer
->byPKTNO
= (u8
) (((pDevice
->wCurrentRate
<<4) &0x00F0) | ((pDevice
->wSeqCounter
- 1) & 0x000F));
2566 pTX_Buffer
->wTxByteCount
= (u16
)BytesToWrite
;
2568 pContext
->pPacket
= skb
;
2569 pContext
->Type
= CONTEXT_DATA_PACKET
;
2570 pContext
->uBufLen
= (u16
)BytesToWrite
+ 4 ; //USB header
2572 s_vSaveTxPktInfo(pDevice
, (u8
) (pTX_Buffer
->byPKTNO
& 0x0F), &(pContext
->sEthHeader
.h_dest
[0]), (u16
) (BytesToWrite
-uHeaderLen
), pTX_Buffer
->wFIFOCtl
);
2574 status
= PIPEnsSendBulkOut(pDevice
,pContext
);
2576 if (bNeedDeAuth
== true) {
2577 u16 wReason
= WLAN_MGMT_REASON_MIC_FAILURE
;
2579 bScheduleCommand((void *) pDevice
, WLAN_CMD_DEAUTH
, (u8
*) &wReason
);
2582 if(status
!=STATUS_PENDING
) {
2583 pContext
->bBoolInUse
= false;
2584 dev_kfree_skb_irq(skb
);
2585 return STATUS_FAILURE
;
2594 * Relay packet send (AC1DMA) from rx dpc.
2598 * pDevice - Pointer to the adapter
2599 * pPacket - Pointer to rx packet
2600 * cbPacketSize - rx ethernet frame size
2604 * Return Value: Return true if packet is copy to dma1; otherwise false
2607 int bRelayPacketSend(struct vnt_private
*pDevice
, u8
*pbySkbData
, u32 uDataLen
,
2610 struct vnt_manager
*pMgmt
= &pDevice
->vnt_mgmt
;
2611 struct vnt_tx_buffer
*pTX_Buffer
;
2612 u32 BytesToWrite
= 0, uHeaderLen
= 0;
2613 u8 byPktType
= PK_TYPE_11B
;
2614 int bNeedEncryption
= false;
2616 PSKeyItem pTransmitKey
= NULL
;
2618 PUSB_SEND_CONTEXT pContext
;
2620 int fConvertedPacket
;
2622 u16 wKeepRate
= pDevice
->wCurrentRate
;
2624 pContext
= (PUSB_SEND_CONTEXT
)s_vGetFreeContext(pDevice
);
2626 if (NULL
== pContext
) {
2630 memcpy(pDevice
->sTxEthHeader
.h_dest
, (u8
*)pbySkbData
, ETH_HLEN
);
2632 if (pDevice
->bEncryptionEnable
== true) {
2633 bNeedEncryption
= true;
2635 pbyBSSID
= pDevice
->abyBroadcastAddr
;
2636 if(KeybGetTransmitKey(&(pDevice
->sKey
), pbyBSSID
, GROUP_KEY
, &pTransmitKey
) == false) {
2637 pTransmitKey
= NULL
;
2638 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_DEBUG
"KEY is NULL. [%d]\n", pMgmt
->eCurrMode
);
2640 DBG_PRT(MSG_LEVEL_DEBUG
, KERN_DEBUG
"Get GTK.\n");
2644 if (pDevice
->bEnableHostWEP
) {
2645 if (uNodeIndex
< MAX_NODE_NUM
+ 1) {
2646 pTransmitKey
= &STempKey
;
2647 pTransmitKey
->byCipherSuite
= pMgmt
->sNodeDBTable
[uNodeIndex
].byCipherSuite
;
2648 pTransmitKey
->dwKeyIndex
= pMgmt
->sNodeDBTable
[uNodeIndex
].dwKeyIndex
;
2649 pTransmitKey
->uKeyLength
= pMgmt
->sNodeDBTable
[uNodeIndex
].uWepKeyLength
;
2650 pTransmitKey
->dwTSC47_16
= pMgmt
->sNodeDBTable
[uNodeIndex
].dwTSC47_16
;
2651 pTransmitKey
->wTSC15_0
= pMgmt
->sNodeDBTable
[uNodeIndex
].wTSC15_0
;
2652 memcpy(pTransmitKey
->abyKey
,
2653 &pMgmt
->sNodeDBTable
[uNodeIndex
].abyWepKey
[0],
2654 pTransmitKey
->uKeyLength
2659 if ( bNeedEncryption
&& (pTransmitKey
== NULL
) ) {
2660 pContext
->bBoolInUse
= false;
2664 byPktTyp
= (u8
)pDevice
->byPacketType
;
2666 if (pDevice
->bFixRate
) {
2667 if (pDevice
->byBBType
== BB_TYPE_11B
) {
2668 if (pDevice
->uConnectionRate
>= RATE_11M
) {
2669 pDevice
->wCurrentRate
= RATE_11M
;
2671 pDevice
->wCurrentRate
= (u16
)pDevice
->uConnectionRate
;
2674 if ((pDevice
->byBBType
== BB_TYPE_11A
) &&
2675 (pDevice
->uConnectionRate
<= RATE_6M
)) {
2676 pDevice
->wCurrentRate
= RATE_6M
;
2678 if (pDevice
->uConnectionRate
>= RATE_54M
)
2679 pDevice
->wCurrentRate
= RATE_54M
;
2681 pDevice
->wCurrentRate
= (u16
)pDevice
->uConnectionRate
;
2686 pDevice
->wCurrentRate
= pMgmt
->sNodeDBTable
[uNodeIndex
].wTxDataRate
;
2689 if (wKeepRate
!= pDevice
->wCurrentRate
) {
2690 bScheduleCommand((void *) pDevice
, WLAN_CMD_SETPOWER
, NULL
);
2693 if (pDevice
->wCurrentRate
<= RATE_11M
)
2694 byPktType
= PK_TYPE_11B
;
2696 BytesToWrite
= uDataLen
+ ETH_FCS_LEN
;
2698 // Convert the packet to an usb frame and copy into our buffer
2699 // and send the irp.
2701 pTX_Buffer
= (struct vnt_tx_buffer
*)&pContext
->Data
[0];
2703 fConvertedPacket
= s_bPacketToWirelessUsb(pDevice
, byPktType
,
2704 pTX_Buffer
, bNeedEncryption
,
2705 uDataLen
, TYPE_AC0DMA
, &pDevice
->sTxEthHeader
,
2706 pbySkbData
, pTransmitKey
, uNodeIndex
,
2707 pDevice
->wCurrentRate
,
2708 &uHeaderLen
, &BytesToWrite
2711 if (fConvertedPacket
== false) {
2712 pContext
->bBoolInUse
= false;
2716 pTX_Buffer
->byPKTNO
= (u8
) (((pDevice
->wCurrentRate
<<4) &0x00F0) | ((pDevice
->wSeqCounter
- 1) & 0x000F));
2717 pTX_Buffer
->wTxByteCount
= (u16
)BytesToWrite
;
2719 pContext
->pPacket
= NULL
;
2720 pContext
->Type
= CONTEXT_DATA_PACKET
;
2721 pContext
->uBufLen
= (u16
)BytesToWrite
+ 4 ; //USB header
2723 s_vSaveTxPktInfo(pDevice
, (u8
) (pTX_Buffer
->byPKTNO
& 0x0F), &(pContext
->sEthHeader
.h_dest
[0]), (u16
) (BytesToWrite
-uHeaderLen
), pTX_Buffer
->wFIFOCtl
);
2725 status
= PIPEnsSendBulkOut(pDevice
,pContext
);