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92b96797 FB |
1 | /* |
2 | * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. | |
3 | * All rights reserved. | |
4 | * | |
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. | |
9 | * | |
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. | |
14 | * | |
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. | |
18 | * | |
19 | * File: rxtx.c | |
20 | * | |
21 | * Purpose: handle WMAC/802.3/802.11 rx & tx functions | |
22 | * | |
23 | * Author: Lyndon Chen | |
24 | * | |
25 | * Date: May 20, 2003 | |
26 | * | |
27 | * Functions: | |
f77f13e2 | 28 | * s_vGenerateTxParameter - Generate tx dma required parameter. |
92b96797 FB |
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 | |
f77f13e2 | 34 | * s_uGetRTSCTSDuration- get rtx/cts required duration |
92b96797 FB |
35 | * s_uGetRTSCTSRsvTime- get rts/cts reserved time |
36 | * s_uGetTxRsvTime- get frame reserved time | |
37 | * s_vFillCTSHead- fulfill CTS ctl header | |
f77f13e2 | 38 | * s_vFillFragParameter- Set fragment ctl parameter. |
92b96797 FB |
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 | |
44 | * | |
45 | * Revision History: | |
46 | * | |
47 | */ | |
48 | ||
92b96797 | 49 | #include "device.h" |
92b96797 | 50 | #include "rxtx.h" |
92b96797 | 51 | #include "tether.h" |
92b96797 | 52 | #include "card.h" |
92b96797 | 53 | #include "bssdb.h" |
92b96797 | 54 | #include "mac.h" |
92b96797 | 55 | #include "michael.h" |
92b96797 | 56 | #include "tkip.h" |
92b96797 | 57 | #include "tcrc.h" |
92b96797 | 58 | #include "wctl.h" |
92b96797 | 59 | #include "hostap.h" |
92b96797 | 60 | #include "rf.h" |
92b96797 | 61 | #include "datarate.h" |
92b96797 | 62 | #include "usbpipe.h" |
92b96797 | 63 | #include "iocmd.h" |
9d26d60f | 64 | |
4a499de2 | 65 | static int msglevel = MSG_LEVEL_INFO; |
92b96797 | 66 | |
3b138851 | 67 | static const u16 wTimeStampOff[2][MAX_RATE] = { |
92b96797 FB |
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 | |
70 | }; | |
71 | ||
3b138851 | 72 | static const u16 wFB_Opt0[2][5] = { |
92b96797 FB |
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 | |
75 | }; | |
3b138851 | 76 | static const u16 wFB_Opt1[2][5] = { |
92b96797 FB |
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 | |
79 | }; | |
80 | ||
92b96797 FB |
81 | #define RTSDUR_BB 0 |
82 | #define RTSDUR_BA 1 | |
83 | #define RTSDUR_AA 2 | |
84 | #define CTSDUR_BA 3 | |
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 | |
91 | #define DATADUR_B 10 | |
92 | #define DATADUR_A 11 | |
93 | #define DATADUR_A_F0 12 | |
94 | #define DATADUR_A_F1 13 | |
95 | ||
d56131de MP |
96 | static void s_vSaveTxPktInfo(struct vnt_private *pDevice, u8 byPktNum, |
97 | u8 *pbyDestAddr, u16 wPktLength, u16 wFIFOCtl); | |
98 | ||
b89f3b94 | 99 | static struct vnt_usb_send_context *s_vGetFreeContext(struct vnt_private *); |
d56131de | 100 | |
0a0f4b69 | 101 | static u16 s_vGenerateTxParameter(struct vnt_private *pDevice, |
8e344c88 | 102 | u8 byPktType, u16 wCurrentRate, struct vnt_tx_buffer *tx_buffer, |
fa57560c MP |
103 | struct vnt_mic_hdr **mic_hdr, u32 need_mic, u32 cbFrameSize, |
104 | int bNeedACK, u32 uDMAIdx, struct ethhdr *psEthHeader, bool need_rts); | |
d56131de | 105 | |
d56131de | 106 | static void s_vGenerateMACHeader(struct vnt_private *pDevice, |
ceb8c5da | 107 | u8 *pbyBufferAddr, u16 wDuration, struct ethhdr *psEthHeader, |
d56131de MP |
108 | int bNeedEncrypt, u16 wFragType, u32 uDMAIdx, u32 uFragIdx); |
109 | ||
3ba0938c MP |
110 | static void s_vFillTxKey(struct vnt_private *pDevice, |
111 | struct vnt_tx_fifo_head *fifo_head, u8 *pbyIVHead, | |
112 | PSKeyItem pTransmitKey, u8 *pbyHdrBuf, u16 wPayloadLen, | |
ec37d8b6 | 113 | struct vnt_mic_hdr *mic_hdr); |
d56131de MP |
114 | |
115 | static void s_vSWencryption(struct vnt_private *pDevice, | |
116 | PSKeyItem pTransmitKey, u8 *pbyPayloadHead, u16 wPayloadSize); | |
117 | ||
118 | static unsigned int s_uGetTxRsvTime(struct vnt_private *pDevice, u8 byPktType, | |
119 | u32 cbFrameLength, u16 wRate, int bNeedAck); | |
120 | ||
342e2e20 MP |
121 | static u16 s_uGetRTSCTSRsvTime(struct vnt_private *priv, |
122 | u8 rsv_type, u8 pkt_type, u32 frame_lenght, u16 current_rate); | |
d56131de | 123 | |
0a0f4b69 | 124 | static u16 s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, |
5fb8e412 MP |
125 | u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength, |
126 | int bNeedAck, u16 wCurrentRate, u8 byFBOption); | |
d56131de | 127 | |
0a0f4b69 | 128 | static u16 s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType, |
5fb8e412 | 129 | union vnt_tx_data_head *head, u32 cbFrameLength, int bNeedAck, |
ceb8c5da | 130 | struct ethhdr *psEthHeader, u16 wCurrentRate, u8 byFBOption); |
d56131de | 131 | |
6b5ad9d2 | 132 | static u16 s_uGetDataDuration(struct vnt_private *pDevice, |
3ed210ef | 133 | u8 byPktType, int bNeedAck); |
d56131de | 134 | |
e34f9dbe | 135 | static u16 s_uGetRTSCTSDuration(struct vnt_private *pDevice, |
d56131de MP |
136 | u8 byDurType, u32 cbFrameLength, u8 byPktType, u16 wRate, |
137 | int bNeedAck, u8 byFBOption); | |
92b96797 | 138 | |
aceaf018 | 139 | static struct vnt_usb_send_context |
b89f3b94 | 140 | *s_vGetFreeContext(struct vnt_private *priv) |
92b96797 | 141 | { |
b89f3b94 | 142 | struct vnt_usb_send_context *context = NULL; |
d56131de | 143 | int ii; |
92b96797 | 144 | |
b89f3b94 MP |
145 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GetFreeContext()\n"); |
146 | ||
147 | for (ii = 0; ii < priv->cbTD; ii++) { | |
148 | if (!priv->apTD[ii]) | |
149 | return NULL; | |
150 | ||
151 | context = priv->apTD[ii]; | |
152 | if (context->bBoolInUse == false) { | |
153 | context->bBoolInUse = true; | |
154 | memset(context->Data, 0, | |
155 | MAX_TOTAL_SIZE_WITH_ALL_HEADERS); | |
156 | return context; | |
157 | } | |
158 | } | |
159 | ||
160 | if (ii == priv->cbTD) | |
161 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No Free Tx Context\n"); | |
aceaf018 | 162 | |
5c851383 | 163 | return NULL; |
92b96797 FB |
164 | } |
165 | ||
d56131de MP |
166 | static void s_vSaveTxPktInfo(struct vnt_private *pDevice, u8 byPktNum, |
167 | u8 *pbyDestAddr, u16 wPktLength, u16 wFIFOCtl) | |
92b96797 | 168 | { |
ae27b142 | 169 | struct net_device_stats *stats = &pDevice->stats; |
51934e7f MP |
170 | struct vnt_tx_pkt_info *pkt_info = pDevice->pkt_info; |
171 | ||
172 | pkt_info[byPktNum].fifo_ctl = wFIFOCtl; | |
173 | memcpy(pkt_info[byPktNum].dest_addr, pbyDestAddr, ETH_ALEN); | |
ae27b142 MP |
174 | |
175 | stats->tx_bytes += wPktLength; | |
92b96797 FB |
176 | } |
177 | ||
3ba0938c MP |
178 | static void s_vFillTxKey(struct vnt_private *pDevice, |
179 | struct vnt_tx_fifo_head *fifo_head, u8 *pbyIVHead, | |
180 | PSKeyItem pTransmitKey, u8 *pbyHdrBuf, u16 wPayloadLen, | |
181 | struct vnt_mic_hdr *mic_hdr) | |
92b96797 | 182 | { |
3ba0938c | 183 | u8 *pbyBuf = (u8 *)&fifo_head->adwTxKey[0]; |
d56131de MP |
184 | u32 *pdwIV = (u32 *)pbyIVHead; |
185 | u32 *pdwExtIV = (u32 *)((u8 *)pbyIVHead + 4); | |
1cac4a4b | 186 | struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *)pbyHdrBuf; |
d56131de | 187 | u32 dwRevIVCounter; |
92b96797 | 188 | |
95bfb1ae MP |
189 | /* Fill TXKEY */ |
190 | if (pTransmitKey == NULL) | |
ec37d8b6 MP |
191 | return; |
192 | ||
95bfb1ae MP |
193 | dwRevIVCounter = cpu_to_le32(pDevice->dwIVCounter); |
194 | *pdwIV = pDevice->dwIVCounter; | |
195 | pDevice->byKeyIndex = pTransmitKey->dwKeyIndex & 0xf; | |
196 | ||
f6804f33 MP |
197 | switch (pTransmitKey->byCipherSuite) { |
198 | case KEY_CTL_WEP: | |
95bfb1ae MP |
199 | if (pTransmitKey->uKeyLength == WLAN_WEP232_KEYLEN) { |
200 | memcpy(pDevice->abyPRNG, (u8 *)&dwRevIVCounter, 3); | |
201 | memcpy(pDevice->abyPRNG + 3, pTransmitKey->abyKey, | |
202 | pTransmitKey->uKeyLength); | |
203 | } else { | |
204 | memcpy(pbyBuf, (u8 *)&dwRevIVCounter, 3); | |
205 | memcpy(pbyBuf + 3, pTransmitKey->abyKey, | |
206 | pTransmitKey->uKeyLength); | |
207 | if (pTransmitKey->uKeyLength == WLAN_WEP40_KEYLEN) { | |
208 | memcpy(pbyBuf+8, (u8 *)&dwRevIVCounter, 3); | |
209 | memcpy(pbyBuf+11, pTransmitKey->abyKey, | |
210 | pTransmitKey->uKeyLength); | |
211 | } | |
212 | ||
213 | memcpy(pDevice->abyPRNG, pbyBuf, 16); | |
214 | } | |
215 | /* Append IV after Mac Header */ | |
216 | *pdwIV &= WEP_IV_MASK; | |
217 | *pdwIV |= (u32)pDevice->byKeyIndex << 30; | |
218 | *pdwIV = cpu_to_le32(*pdwIV); | |
219 | ||
220 | pDevice->dwIVCounter++; | |
221 | if (pDevice->dwIVCounter > WEP_IV_MASK) | |
222 | pDevice->dwIVCounter = 0; | |
f6804f33 MP |
223 | |
224 | break; | |
225 | case KEY_CTL_TKIP: | |
95bfb1ae MP |
226 | pTransmitKey->wTSC15_0++; |
227 | if (pTransmitKey->wTSC15_0 == 0) | |
228 | pTransmitKey->dwTSC47_16++; | |
229 | ||
230 | TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr, | |
231 | pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, | |
232 | pDevice->abyPRNG); | |
233 | memcpy(pbyBuf, pDevice->abyPRNG, 16); | |
234 | ||
235 | /* Make IV */ | |
236 | memcpy(pdwIV, pDevice->abyPRNG, 3); | |
237 | ||
238 | *(pbyIVHead+3) = (u8)(((pDevice->byKeyIndex << 6) & | |
239 | 0xc0) | 0x20); | |
240 | /* Append IV&ExtIV after Mac Header */ | |
241 | *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16); | |
242 | ||
243 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO | |
244 | "vFillTxKey()---- pdwExtIV: %x\n", *pdwExtIV); | |
245 | ||
f6804f33 MP |
246 | break; |
247 | case KEY_CTL_CCMP: | |
95bfb1ae MP |
248 | pTransmitKey->wTSC15_0++; |
249 | if (pTransmitKey->wTSC15_0 == 0) | |
250 | pTransmitKey->dwTSC47_16++; | |
251 | ||
252 | memcpy(pbyBuf, pTransmitKey->abyKey, 16); | |
253 | ||
254 | /* Make IV */ | |
255 | *pdwIV = 0; | |
256 | *(pbyIVHead+3) = (u8)(((pDevice->byKeyIndex << 6) & | |
257 | 0xc0) | 0x20); | |
258 | ||
259 | *pdwIV |= cpu_to_le16((u16)(pTransmitKey->wTSC15_0)); | |
260 | ||
261 | /* Append IV&ExtIV after Mac Header */ | |
262 | *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16); | |
263 | ||
264 | if (!mic_hdr) | |
265 | return; | |
266 | ||
267 | /* MICHDR0 */ | |
268 | mic_hdr->id = 0x59; | |
269 | mic_hdr->payload_len = cpu_to_be16(wPayloadLen); | |
270 | memcpy(mic_hdr->mic_addr2, pMACHeader->addr2, ETH_ALEN); | |
271 | ||
272 | mic_hdr->tsc_47_16 = cpu_to_be32(pTransmitKey->dwTSC47_16); | |
273 | mic_hdr->tsc_15_0 = cpu_to_be16(pTransmitKey->wTSC15_0); | |
274 | ||
275 | /* MICHDR1 */ | |
078d0cfd | 276 | if (ieee80211_has_a4(pMACHeader->frame_control)) |
95bfb1ae MP |
277 | mic_hdr->hlen = cpu_to_be16(28); |
278 | else | |
279 | mic_hdr->hlen = cpu_to_be16(22); | |
280 | ||
281 | memcpy(mic_hdr->addr1, pMACHeader->addr1, ETH_ALEN); | |
282 | memcpy(mic_hdr->addr2, pMACHeader->addr2, ETH_ALEN); | |
283 | ||
284 | /* MICHDR2 */ | |
285 | memcpy(mic_hdr->addr3, pMACHeader->addr3, ETH_ALEN); | |
286 | mic_hdr->frame_control = cpu_to_le16(pMACHeader->frame_control | |
ec37d8b6 | 287 | & 0xc78f); |
95bfb1ae | 288 | mic_hdr->seq_ctrl = cpu_to_le16(pMACHeader->seq_ctrl & 0xf); |
ec37d8b6 | 289 | |
078d0cfd | 290 | if (ieee80211_has_a4(pMACHeader->frame_control)) |
95bfb1ae MP |
291 | memcpy(mic_hdr->addr4, pMACHeader->addr4, ETH_ALEN); |
292 | } | |
92b96797 FB |
293 | } |
294 | ||
d56131de MP |
295 | static void s_vSWencryption(struct vnt_private *pDevice, |
296 | PSKeyItem pTransmitKey, u8 *pbyPayloadHead, u16 wPayloadSize) | |
92b96797 | 297 | { |
d56131de MP |
298 | u32 cbICVlen = 4; |
299 | u32 dwICV = 0xffffffff; | |
300 | u32 *pdwICV; | |
92b96797 FB |
301 | |
302 | if (pTransmitKey == NULL) | |
303 | return; | |
304 | ||
305 | if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { | |
306 | //======================================================================= | |
307 | // Append ICV after payload | |
308 | dwICV = CRCdwGetCrc32Ex(pbyPayloadHead, wPayloadSize, dwICV);//ICV(Payload) | |
52a7e64b | 309 | pdwICV = (u32 *)(pbyPayloadHead + wPayloadSize); |
92b96797 FB |
310 | // finally, we must invert dwCRC to get the correct answer |
311 | *pdwICV = cpu_to_le32(~dwICV); | |
312 | // RC4 encryption | |
313 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, pTransmitKey->uKeyLength + 3); | |
314 | rc4_encrypt(&pDevice->SBox, pbyPayloadHead, pbyPayloadHead, wPayloadSize+cbICVlen); | |
315 | //======================================================================= | |
316 | } else if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) { | |
317 | //======================================================================= | |
318 | //Append ICV after payload | |
319 | dwICV = CRCdwGetCrc32Ex(pbyPayloadHead, wPayloadSize, dwICV);//ICV(Payload) | |
52a7e64b | 320 | pdwICV = (u32 *)(pbyPayloadHead + wPayloadSize); |
92b96797 FB |
321 | // finally, we must invert dwCRC to get the correct answer |
322 | *pdwICV = cpu_to_le32(~dwICV); | |
323 | // RC4 encryption | |
324 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN); | |
325 | rc4_encrypt(&pDevice->SBox, pbyPayloadHead, pbyPayloadHead, wPayloadSize+cbICVlen); | |
326 | //======================================================================= | |
327 | } | |
328 | } | |
329 | ||
f115e76a MP |
330 | static u16 vnt_time_stamp_off(struct vnt_private *priv, u16 rate) |
331 | { | |
332 | return cpu_to_le16(wTimeStampOff[priv->byPreambleType % 2] | |
333 | [rate % MAX_RATE]); | |
334 | } | |
335 | ||
92b96797 FB |
336 | /*byPktType : PK_TYPE_11A 0 |
337 | PK_TYPE_11B 1 | |
338 | PK_TYPE_11GB 2 | |
339 | PK_TYPE_11GA 3 | |
340 | */ | |
3fd5620f MP |
341 | static u32 s_uGetTxRsvTime(struct vnt_private *priv, u8 pkt_type, |
342 | u32 frame_length, u16 rate, int need_ack) | |
92b96797 | 343 | { |
3fd5620f | 344 | u32 data_time, ack_time; |
92b96797 | 345 | |
3fd5620f MP |
346 | data_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, |
347 | frame_length, rate); | |
92b96797 | 348 | |
3fd5620f MP |
349 | if (pkt_type == PK_TYPE_11B) |
350 | ack_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, 14, | |
351 | (u16)priv->byTopCCKBasicRate); | |
352 | else | |
353 | ack_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, 14, | |
354 | (u16)priv->byTopOFDMBasicRate); | |
355 | ||
356 | if (need_ack) | |
357 | return data_time + priv->uSIFS + ack_time; | |
358 | ||
359 | return data_time; | |
92b96797 FB |
360 | } |
361 | ||
9c3806d5 MP |
362 | static u16 vnt_rxtx_rsvtime_le16(struct vnt_private *priv, u8 pkt_type, |
363 | u32 frame_length, u16 rate, int need_ack) | |
364 | { | |
365 | return cpu_to_le16((u16)s_uGetTxRsvTime(priv, pkt_type, | |
366 | frame_length, rate, need_ack)); | |
367 | } | |
368 | ||
92b96797 | 369 | //byFreqType: 0=>5GHZ 1=>2.4GHZ |
342e2e20 MP |
370 | static u16 s_uGetRTSCTSRsvTime(struct vnt_private *priv, |
371 | u8 rsv_type, u8 pkt_type, u32 frame_lenght, u16 current_rate) | |
92b96797 | 372 | { |
342e2e20 | 373 | u32 rrv_time, rts_time, cts_time, ack_time, data_time; |
92b96797 | 374 | |
342e2e20 | 375 | rrv_time = rts_time = cts_time = ack_time = data_time = 0; |
92b96797 | 376 | |
342e2e20 MP |
377 | data_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, |
378 | frame_lenght, current_rate); | |
379 | ||
380 | if (rsv_type == 0) { | |
381 | rts_time = BBuGetFrameTime(priv->byPreambleType, | |
382 | pkt_type, 20, priv->byTopCCKBasicRate); | |
383 | cts_time = ack_time = BBuGetFrameTime(priv->byPreambleType, | |
384 | pkt_type, 14, priv->byTopCCKBasicRate); | |
385 | } else if (rsv_type == 1) { | |
386 | rts_time = BBuGetFrameTime(priv->byPreambleType, | |
387 | pkt_type, 20, priv->byTopCCKBasicRate); | |
388 | cts_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, | |
389 | 14, priv->byTopCCKBasicRate); | |
390 | ack_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, | |
391 | 14, priv->byTopOFDMBasicRate); | |
392 | } else if (rsv_type == 2) { | |
393 | rts_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, | |
394 | 20, priv->byTopOFDMBasicRate); | |
395 | cts_time = ack_time = BBuGetFrameTime(priv->byPreambleType, | |
396 | pkt_type, 14, priv->byTopOFDMBasicRate); | |
397 | } else if (rsv_type == 3) { | |
398 | cts_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, | |
399 | 14, priv->byTopCCKBasicRate); | |
400 | ack_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, | |
401 | 14, priv->byTopOFDMBasicRate); | |
402 | ||
403 | rrv_time = cts_time + ack_time + data_time + 2 * priv->uSIFS; | |
404 | ||
405 | return rrv_time; | |
406 | } | |
407 | ||
408 | rrv_time = rts_time + cts_time + ack_time + data_time + 3 * priv->uSIFS; | |
92b96797 | 409 | |
342e2e20 | 410 | return cpu_to_le16((u16)rrv_time); |
92b96797 FB |
411 | } |
412 | ||
413 | //byFreqType 0: 5GHz, 1:2.4Ghz | |
6b5ad9d2 MP |
414 | static u16 s_uGetDataDuration(struct vnt_private *pDevice, |
415 | u8 byPktType, int bNeedAck) | |
92b96797 | 416 | { |
0005cb00 | 417 | u32 uAckTime = 0; |
92b96797 | 418 | |
b02ccd59 | 419 | if (bNeedAck) { |
6b5ad9d2 | 420 | if (byPktType == PK_TYPE_11B) |
b02ccd59 MP |
421 | uAckTime = BBuGetFrameTime(pDevice->byPreambleType, |
422 | byPktType, 14, pDevice->byTopCCKBasicRate); | |
423 | else | |
424 | uAckTime = BBuGetFrameTime(pDevice->byPreambleType, | |
425 | byPktType, 14, pDevice->byTopOFDMBasicRate); | |
d5005955 | 426 | return cpu_to_le16((u16)(pDevice->uSIFS + uAckTime)); |
b02ccd59 | 427 | } |
92b96797 | 428 | |
92b96797 FB |
429 | return 0; |
430 | } | |
431 | ||
92b96797 | 432 | //byFreqType: 0=>5GHZ 1=>2.4GHZ |
e34f9dbe | 433 | static u16 s_uGetRTSCTSDuration(struct vnt_private *pDevice, u8 byDurType, |
d56131de MP |
434 | u32 cbFrameLength, u8 byPktType, u16 wRate, int bNeedAck, |
435 | u8 byFBOption) | |
92b96797 | 436 | { |
d56131de | 437 | u32 uCTSTime = 0, uDurTime = 0; |
92b96797 | 438 | |
ecd80240 MP |
439 | switch (byDurType) { |
440 | case RTSDUR_BB: | |
441 | case RTSDUR_BA: | |
442 | case RTSDUR_BA_F0: | |
443 | case RTSDUR_BA_F1: | |
444 | uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, | |
445 | 14, pDevice->byTopCCKBasicRate); | |
446 | uDurTime = uCTSTime + 2 * pDevice->uSIFS + | |
447 | s_uGetTxRsvTime(pDevice, byPktType, | |
448 | cbFrameLength, wRate, bNeedAck); | |
449 | break; | |
92b96797 | 450 | |
ecd80240 MP |
451 | case RTSDUR_AA: |
452 | case RTSDUR_AA_F0: | |
453 | case RTSDUR_AA_F1: | |
454 | uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, | |
455 | 14, pDevice->byTopOFDMBasicRate); | |
456 | uDurTime = uCTSTime + 2 * pDevice->uSIFS + | |
457 | s_uGetTxRsvTime(pDevice, byPktType, | |
458 | cbFrameLength, wRate, bNeedAck); | |
459 | break; | |
92b96797 | 460 | |
ecd80240 MP |
461 | case CTSDUR_BA: |
462 | case CTSDUR_BA_F0: | |
463 | case CTSDUR_BA_F1: | |
464 | uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, | |
f84cdf65 | 465 | byPktType, cbFrameLength, wRate, bNeedAck); |
ecd80240 | 466 | break; |
92b96797 | 467 | |
ecd80240 MP |
468 | default: |
469 | break; | |
470 | } | |
92b96797 | 471 | |
e34f9dbe | 472 | return cpu_to_le16((u16)uDurTime); |
92b96797 FB |
473 | } |
474 | ||
78363fd1 MP |
475 | static u16 vnt_rxtx_datahead_g(struct vnt_private *priv, u8 pkt_type, u16 rate, |
476 | struct vnt_tx_datahead_g *buf, u32 frame_len, int need_ack) | |
477 | { | |
478 | /* Get SignalField,ServiceField,Length */ | |
479 | BBvCalculateParameter(priv, frame_len, rate, pkt_type, &buf->a); | |
480 | BBvCalculateParameter(priv, frame_len, priv->byTopCCKBasicRate, | |
481 | PK_TYPE_11B, &buf->b); | |
482 | ||
483 | /* Get Duration and TimeStamp */ | |
4e01117c MP |
484 | buf->duration_a = s_uGetDataDuration(priv, pkt_type, need_ack); |
485 | buf->duration_b = s_uGetDataDuration(priv, PK_TYPE_11B, need_ack); | |
78363fd1 MP |
486 | |
487 | buf->wTimeStampOff_a = vnt_time_stamp_off(priv, rate); | |
488 | buf->wTimeStampOff_b = vnt_time_stamp_off(priv, | |
489 | priv->byTopCCKBasicRate); | |
490 | ||
4e01117c | 491 | return buf->duration_a; |
78363fd1 MP |
492 | } |
493 | ||
5b852f53 MP |
494 | static u16 vnt_rxtx_datahead_g_fb(struct vnt_private *priv, u8 pkt_type, |
495 | u16 rate, struct vnt_tx_datahead_g_fb *buf, | |
496 | u32 frame_len, int need_ack) | |
497 | { | |
498 | /* Get SignalField,ServiceField,Length */ | |
499 | BBvCalculateParameter(priv, frame_len, rate, pkt_type, &buf->a); | |
500 | ||
501 | BBvCalculateParameter(priv, frame_len, priv->byTopCCKBasicRate, | |
502 | PK_TYPE_11B, &buf->b); | |
503 | ||
504 | /* Get Duration and TimeStamp */ | |
4e01117c MP |
505 | buf->duration_a = s_uGetDataDuration(priv, pkt_type, need_ack); |
506 | buf->duration_b = s_uGetDataDuration(priv, PK_TYPE_11B, need_ack); | |
5b852f53 | 507 | |
4e01117c MP |
508 | buf->duration_a_f0 = s_uGetDataDuration(priv, pkt_type, need_ack); |
509 | buf->duration_a_f1 = s_uGetDataDuration(priv, pkt_type, need_ack); | |
5b852f53 MP |
510 | |
511 | buf->wTimeStampOff_a = vnt_time_stamp_off(priv, rate); | |
512 | buf->wTimeStampOff_b = vnt_time_stamp_off(priv, | |
513 | priv->byTopCCKBasicRate); | |
514 | ||
4e01117c | 515 | return buf->duration_a; |
5b852f53 MP |
516 | } |
517 | ||
bd3f51f1 MP |
518 | static u16 vnt_rxtx_datahead_a_fb(struct vnt_private *priv, u8 pkt_type, |
519 | u16 rate, struct vnt_tx_datahead_a_fb *buf, | |
520 | u32 frame_len, int need_ack) | |
521 | { | |
522 | /* Get SignalField,ServiceField,Length */ | |
523 | BBvCalculateParameter(priv, frame_len, rate, pkt_type, &buf->a); | |
524 | /* Get Duration and TimeStampOff */ | |
4e01117c | 525 | buf->duration = s_uGetDataDuration(priv, pkt_type, need_ack); |
bd3f51f1 | 526 | |
4e01117c MP |
527 | buf->duration_f0 = s_uGetDataDuration(priv, pkt_type, need_ack); |
528 | buf->duration_f1 = s_uGetDataDuration(priv, pkt_type, need_ack); | |
bd3f51f1 MP |
529 | |
530 | buf->wTimeStampOff = vnt_time_stamp_off(priv, rate); | |
531 | ||
4e01117c | 532 | return buf->duration; |
bd3f51f1 MP |
533 | } |
534 | ||
5634a5ab MP |
535 | static u16 vnt_rxtx_datahead_ab(struct vnt_private *priv, u8 pkt_type, |
536 | u16 rate, struct vnt_tx_datahead_ab *buf, | |
537 | u32 frame_len, int need_ack) | |
538 | { | |
539 | /* Get SignalField,ServiceField,Length */ | |
540 | BBvCalculateParameter(priv, frame_len, rate, pkt_type, &buf->ab); | |
541 | /* Get Duration and TimeStampOff */ | |
4e01117c | 542 | buf->duration = s_uGetDataDuration(priv, pkt_type, need_ack); |
5634a5ab MP |
543 | |
544 | buf->wTimeStampOff = vnt_time_stamp_off(priv, rate); | |
545 | ||
4e01117c | 546 | return buf->duration; |
5634a5ab MP |
547 | } |
548 | ||
5e67ee49 MP |
549 | static int vnt_fill_ieee80211_rts(struct vnt_private *priv, |
550 | struct ieee80211_rts *rts, struct ethhdr *eth_hdr, | |
551 | u16 duration) | |
552 | { | |
553 | rts->duration = duration; | |
554 | rts->frame_control = TYPE_CTL_RTS; | |
555 | ||
a0ad2776 MP |
556 | if (priv->op_mode == NL80211_IFTYPE_ADHOC || |
557 | priv->op_mode == NL80211_IFTYPE_AP) | |
5e67ee49 MP |
558 | memcpy(rts->ra, eth_hdr->h_dest, ETH_ALEN); |
559 | else | |
560 | memcpy(rts->ra, priv->abyBSSID, ETH_ALEN); | |
561 | ||
a0ad2776 | 562 | if (priv->op_mode == NL80211_IFTYPE_AP) |
5e67ee49 MP |
563 | memcpy(rts->ta, priv->abyBSSID, ETH_ALEN); |
564 | else | |
565 | memcpy(rts->ta, eth_hdr->h_source, ETH_ALEN); | |
566 | ||
567 | return 0; | |
568 | } | |
569 | ||
0a0f4b69 | 570 | static u16 vnt_rxtx_rts_g_head(struct vnt_private *priv, |
5e67ee49 MP |
571 | struct vnt_rts_g *buf, struct ethhdr *eth_hdr, |
572 | u8 pkt_type, u32 frame_len, int need_ack, | |
573 | u16 current_rate, u8 fb_option) | |
574 | { | |
575 | u16 rts_frame_len = 20; | |
576 | ||
577 | BBvCalculateParameter(priv, rts_frame_len, priv->byTopCCKBasicRate, | |
578 | PK_TYPE_11B, &buf->b); | |
579 | BBvCalculateParameter(priv, rts_frame_len, | |
580 | priv->byTopOFDMBasicRate, pkt_type, &buf->a); | |
581 | ||
4e01117c | 582 | buf->duration_bb = s_uGetRTSCTSDuration(priv, RTSDUR_BB, frame_len, |
5e67ee49 | 583 | PK_TYPE_11B, priv->byTopCCKBasicRate, need_ack, fb_option); |
4e01117c | 584 | buf->duration_aa = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len, |
5e67ee49 | 585 | pkt_type, current_rate, need_ack, fb_option); |
4e01117c | 586 | buf->duration_ba = s_uGetRTSCTSDuration(priv, RTSDUR_BA, frame_len, |
5e67ee49 MP |
587 | pkt_type, current_rate, need_ack, fb_option); |
588 | ||
4e01117c | 589 | vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->duration_aa); |
5e67ee49 | 590 | |
78363fd1 MP |
591 | return vnt_rxtx_datahead_g(priv, pkt_type, current_rate, |
592 | &buf->data_head, frame_len, need_ack); | |
5e67ee49 MP |
593 | } |
594 | ||
0a0f4b69 | 595 | static u16 vnt_rxtx_rts_g_fb_head(struct vnt_private *priv, |
ec91713a MP |
596 | struct vnt_rts_g_fb *buf, struct ethhdr *eth_hdr, |
597 | u8 pkt_type, u32 frame_len, int need_ack, | |
598 | u16 current_rate, u8 fb_option) | |
599 | { | |
600 | u16 rts_frame_len = 20; | |
601 | ||
602 | BBvCalculateParameter(priv, rts_frame_len, priv->byTopCCKBasicRate, | |
603 | PK_TYPE_11B, &buf->b); | |
604 | BBvCalculateParameter(priv, rts_frame_len, | |
605 | priv->byTopOFDMBasicRate, pkt_type, &buf->a); | |
606 | ||
607 | ||
4e01117c | 608 | buf->duration_bb = s_uGetRTSCTSDuration(priv, RTSDUR_BB, frame_len, |
ec91713a | 609 | PK_TYPE_11B, priv->byTopCCKBasicRate, need_ack, fb_option); |
4e01117c | 610 | buf->duration_aa = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len, |
ec91713a | 611 | pkt_type, current_rate, need_ack, fb_option); |
4e01117c | 612 | buf->duration_ba = s_uGetRTSCTSDuration(priv, RTSDUR_BA, frame_len, |
ec91713a MP |
613 | pkt_type, current_rate, need_ack, fb_option); |
614 | ||
615 | ||
fadc3bdf | 616 | buf->rts_duration_ba_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_BA_F0, |
f84cdf65 | 617 | frame_len, pkt_type, priv->tx_rate_fb0, need_ack, fb_option); |
fadc3bdf | 618 | buf->rts_duration_aa_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F0, |
f84cdf65 | 619 | frame_len, pkt_type, priv->tx_rate_fb0, need_ack, fb_option); |
fadc3bdf | 620 | buf->rts_duration_ba_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_BA_F1, |
f84cdf65 | 621 | frame_len, pkt_type, priv->tx_rate_fb1, need_ack, fb_option); |
fadc3bdf | 622 | buf->rts_duration_aa_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F1, |
f84cdf65 | 623 | frame_len, pkt_type, priv->tx_rate_fb1, need_ack, fb_option); |
ec91713a | 624 | |
4e01117c | 625 | vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->duration_aa); |
ec91713a | 626 | |
5b852f53 MP |
627 | return vnt_rxtx_datahead_g_fb(priv, pkt_type, current_rate, |
628 | &buf->data_head, frame_len, need_ack); | |
ec91713a MP |
629 | } |
630 | ||
0a0f4b69 | 631 | static u16 vnt_rxtx_rts_ab_head(struct vnt_private *priv, |
1712633d MP |
632 | struct vnt_rts_ab *buf, struct ethhdr *eth_hdr, |
633 | u8 pkt_type, u32 frame_len, int need_ack, | |
634 | u16 current_rate, u8 fb_option) | |
635 | { | |
636 | u16 rts_frame_len = 20; | |
637 | ||
638 | BBvCalculateParameter(priv, rts_frame_len, | |
639 | priv->byTopOFDMBasicRate, pkt_type, &buf->ab); | |
640 | ||
4e01117c | 641 | buf->duration = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len, |
1712633d MP |
642 | pkt_type, current_rate, need_ack, fb_option); |
643 | ||
4e01117c | 644 | vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->duration); |
1712633d | 645 | |
5634a5ab MP |
646 | return vnt_rxtx_datahead_ab(priv, pkt_type, current_rate, |
647 | &buf->data_head, frame_len, need_ack); | |
1712633d MP |
648 | } |
649 | ||
0a0f4b69 | 650 | static u16 vnt_rxtx_rts_a_fb_head(struct vnt_private *priv, |
9d2578c1 MP |
651 | struct vnt_rts_a_fb *buf, struct ethhdr *eth_hdr, |
652 | u8 pkt_type, u32 frame_len, int need_ack, | |
653 | u16 current_rate, u8 fb_option) | |
654 | { | |
655 | u16 rts_frame_len = 20; | |
656 | ||
657 | BBvCalculateParameter(priv, rts_frame_len, | |
658 | priv->byTopOFDMBasicRate, pkt_type, &buf->a); | |
659 | ||
4e01117c | 660 | buf->duration = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len, |
9d2578c1 MP |
661 | pkt_type, current_rate, need_ack, fb_option); |
662 | ||
fadc3bdf | 663 | buf->rts_duration_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F0, |
f84cdf65 | 664 | frame_len, pkt_type, priv->tx_rate_fb0, need_ack, fb_option); |
9d2578c1 | 665 | |
fadc3bdf | 666 | buf->rts_duration_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F1, |
f84cdf65 | 667 | frame_len, pkt_type, priv->tx_rate_fb1, need_ack, fb_option); |
9d2578c1 | 668 | |
4e01117c | 669 | vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->duration); |
9d2578c1 | 670 | |
bd3f51f1 MP |
671 | return vnt_rxtx_datahead_a_fb(priv, pkt_type, current_rate, |
672 | &buf->data_head, frame_len, need_ack); | |
9d2578c1 MP |
673 | } |
674 | ||
0a0f4b69 | 675 | static u16 s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType, |
5fb8e412 | 676 | union vnt_tx_data_head *head, u32 cbFrameLength, int bNeedAck, |
ceb8c5da | 677 | struct ethhdr *psEthHeader, u16 wCurrentRate, u8 byFBOption) |
92b96797 | 678 | { |
92b96797 | 679 | |
13fe62ae | 680 | if (!head) |
0a0f4b69 | 681 | return 0; |
92b96797 | 682 | |
9d5829bf MP |
683 | /* Note: So far RTSHead doesn't appear in ATIM |
684 | * & Beacom DMA, so we don't need to take them | |
685 | * into account. | |
686 | * Otherwise, we need to modified codes for them. | |
687 | */ | |
0bddd303 MP |
688 | switch (byPktType) { |
689 | case PK_TYPE_11GB: | |
690 | case PK_TYPE_11GA: | |
9d5829bf | 691 | if (byFBOption == AUTO_FB_NONE) |
78363fd1 | 692 | return vnt_rxtx_rts_g_head(pDevice, &head->rts_g, |
5e67ee49 MP |
693 | psEthHeader, byPktType, cbFrameLength, |
694 | bNeedAck, wCurrentRate, byFBOption); | |
9d5829bf | 695 | else |
5b852f53 | 696 | return vnt_rxtx_rts_g_fb_head(pDevice, &head->rts_g_fb, |
ec91713a MP |
697 | psEthHeader, byPktType, cbFrameLength, |
698 | bNeedAck, wCurrentRate, byFBOption); | |
0bddd303 MP |
699 | break; |
700 | case PK_TYPE_11A: | |
2b83ebd0 | 701 | if (byFBOption) { |
bd3f51f1 | 702 | return vnt_rxtx_rts_a_fb_head(pDevice, &head->rts_a_fb, |
9d2578c1 MP |
703 | psEthHeader, byPktType, cbFrameLength, |
704 | bNeedAck, wCurrentRate, byFBOption); | |
2b83ebd0 MP |
705 | break; |
706 | } | |
0bddd303 | 707 | case PK_TYPE_11B: |
5634a5ab | 708 | return vnt_rxtx_rts_ab_head(pDevice, &head->rts_ab, |
1712633d MP |
709 | psEthHeader, byPktType, cbFrameLength, |
710 | bNeedAck, wCurrentRate, byFBOption); | |
9d5829bf | 711 | } |
0a0f4b69 MP |
712 | |
713 | return 0; | |
92b96797 FB |
714 | } |
715 | ||
0a0f4b69 | 716 | static u16 s_vFillCTSHead(struct vnt_private *pDevice, u32 uDMAIdx, |
5fb8e412 MP |
717 | u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength, |
718 | int bNeedAck, u16 wCurrentRate, u8 byFBOption) | |
92b96797 | 719 | { |
d56131de | 720 | u32 uCTSFrameLen = 14; |
92b96797 | 721 | |
27df3ebf | 722 | if (!head) |
0a0f4b69 | 723 | return 0; |
92b96797 | 724 | |
c921cc8c MP |
725 | if (byFBOption != AUTO_FB_NONE) { |
726 | /* Auto Fall back */ | |
27df3ebf | 727 | struct vnt_cts_fb *pBuf = &head->cts_g_fb; |
aed387c7 MP |
728 | /* Get SignalField,ServiceField,Length */ |
729 | BBvCalculateParameter(pDevice, uCTSFrameLen, | |
730 | pDevice->byTopCCKBasicRate, PK_TYPE_11B, &pBuf->b); | |
4e01117c | 731 | pBuf->duration_ba = s_uGetRTSCTSDuration(pDevice, CTSDUR_BA, |
e34f9dbe MP |
732 | cbFrameLength, byPktType, |
733 | wCurrentRate, bNeedAck, byFBOption); | |
734 | /* Get CTSDuration_ba_f0 */ | |
735 | pBuf->wCTSDuration_ba_f0 = s_uGetRTSCTSDuration(pDevice, | |
f84cdf65 MP |
736 | CTSDUR_BA_F0, cbFrameLength, byPktType, |
737 | pDevice->tx_rate_fb0, bNeedAck, byFBOption); | |
e34f9dbe MP |
738 | /* Get CTSDuration_ba_f1 */ |
739 | pBuf->wCTSDuration_ba_f1 = s_uGetRTSCTSDuration(pDevice, | |
f84cdf65 MP |
740 | CTSDUR_BA_F1, cbFrameLength, byPktType, |
741 | pDevice->tx_rate_fb1, bNeedAck, byFBOption); | |
14840cdd | 742 | /* Get CTS Frame body */ |
4e01117c | 743 | pBuf->data.duration = pBuf->duration_ba; |
14840cdd MP |
744 | pBuf->data.frame_control = TYPE_CTL_CTS; |
745 | memcpy(pBuf->data.ra, pDevice->abyCurrentNetAddr, ETH_ALEN); | |
5b852f53 MP |
746 | |
747 | return vnt_rxtx_datahead_g_fb(pDevice, byPktType, wCurrentRate, | |
748 | &pBuf->data_head, cbFrameLength, bNeedAck); | |
c921cc8c | 749 | } else { |
27df3ebf | 750 | struct vnt_cts *pBuf = &head->cts_g; |
aed387c7 MP |
751 | /* Get SignalField,ServiceField,Length */ |
752 | BBvCalculateParameter(pDevice, uCTSFrameLen, | |
753 | pDevice->byTopCCKBasicRate, PK_TYPE_11B, &pBuf->b); | |
e34f9dbe | 754 | /* Get CTSDuration_ba */ |
4e01117c | 755 | pBuf->duration_ba = s_uGetRTSCTSDuration(pDevice, |
e34f9dbe MP |
756 | CTSDUR_BA, cbFrameLength, byPktType, |
757 | wCurrentRate, bNeedAck, byFBOption); | |
14840cdd | 758 | /*Get CTS Frame body*/ |
4e01117c | 759 | pBuf->data.duration = pBuf->duration_ba; |
14840cdd MP |
760 | pBuf->data.frame_control = TYPE_CTL_CTS; |
761 | memcpy(pBuf->data.ra, pDevice->abyCurrentNetAddr, ETH_ALEN); | |
78363fd1 MP |
762 | |
763 | return vnt_rxtx_datahead_g(pDevice, byPktType, wCurrentRate, | |
764 | &pBuf->data_head, cbFrameLength, bNeedAck); | |
92b96797 | 765 | } |
0a0f4b69 MP |
766 | |
767 | return 0; | |
92b96797 FB |
768 | } |
769 | ||
92b96797 FB |
770 | /*+ |
771 | * | |
772 | * Description: | |
773 | * Generate FIFO control for MAC & Baseband controller | |
774 | * | |
775 | * Parameters: | |
776 | * In: | |
777 | * pDevice - Pointer to adpater | |
778 | * pTxDataHead - Transmit Data Buffer | |
779 | * pTxBufHead - pTxBufHead | |
780 | * pvRrvTime - pvRrvTime | |
781 | * pvRTS - RTS Buffer | |
782 | * pCTS - CTS Buffer | |
783 | * cbFrameSize - Transmit Data Length (Hdr+Payload+FCS) | |
784 | * bNeedACK - If need ACK | |
785 | * uDMAIdx - DMA Index | |
786 | * Out: | |
787 | * none | |
788 | * | |
789 | * Return Value: none | |
790 | * | |
791 | -*/ | |
cc856e61 | 792 | |
0a0f4b69 | 793 | static u16 s_vGenerateTxParameter(struct vnt_private *pDevice, |
8e344c88 | 794 | u8 byPktType, u16 wCurrentRate, struct vnt_tx_buffer *tx_buffer, |
fa57560c MP |
795 | struct vnt_mic_hdr **mic_hdr, u32 need_mic, u32 cbFrameSize, |
796 | int bNeedACK, u32 uDMAIdx, struct ethhdr *psEthHeader, bool need_rts) | |
92b96797 | 797 | { |
8e344c88 | 798 | struct vnt_tx_fifo_head *pFifoHead = &tx_buffer->fifo_head; |
b9cc2fc0 | 799 | union vnt_tx_data_head *head = NULL; |
d56131de | 800 | u16 wFifoCtl; |
d56131de | 801 | u8 byFBOption = AUTO_FB_NONE; |
92b96797 | 802 | |
92928f13 MP |
803 | pFifoHead->wReserved = wCurrentRate; |
804 | wFifoCtl = pFifoHead->wFIFOCtl; | |
92b96797 | 805 | |
92928f13 MP |
806 | if (wFifoCtl & FIFOCTL_AUTO_FB_0) |
807 | byFBOption = AUTO_FB_0; | |
808 | else if (wFifoCtl & FIFOCTL_AUTO_FB_1) | |
809 | byFBOption = AUTO_FB_1; | |
92b96797 | 810 | |
9e38a5c1 | 811 | if (!pFifoHead) |
0a0f4b69 | 812 | return 0; |
2dc22d5a | 813 | |
92928f13 MP |
814 | if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { |
815 | if (need_rts) { | |
816 | struct vnt_rrv_time_rts *pBuf = | |
817 | &tx_buffer->tx_head.tx_rts.rts; | |
9e38a5c1 | 818 | |
85417bf0 | 819 | pBuf->rts_rrv_time_aa = s_uGetRTSCTSRsvTime(pDevice, 2, |
92928f13 | 820 | byPktType, cbFrameSize, wCurrentRate); |
85417bf0 | 821 | pBuf->rts_rrv_time_ba = s_uGetRTSCTSRsvTime(pDevice, 1, |
92928f13 | 822 | byPktType, cbFrameSize, wCurrentRate); |
85417bf0 | 823 | pBuf->rts_rrv_time_bb = s_uGetRTSCTSRsvTime(pDevice, 0, |
cfabe4b4 | 824 | byPktType, cbFrameSize, wCurrentRate); |
b9cc2fc0 | 825 | |
92928f13 MP |
826 | pBuf->wTxRrvTime_a = vnt_rxtx_rsvtime_le16(pDevice, |
827 | byPktType, cbFrameSize, wCurrentRate, bNeedACK); | |
828 | pBuf->wTxRrvTime_b = vnt_rxtx_rsvtime_le16(pDevice, | |
829 | PK_TYPE_11B, cbFrameSize, | |
830 | pDevice->byTopCCKBasicRate, bNeedACK); | |
831 | ||
832 | if (need_mic) { | |
833 | *mic_hdr = &tx_buffer-> | |
834 | tx_head.tx_rts.tx.mic.hdr; | |
835 | head = &tx_buffer->tx_head.tx_rts.tx.mic.head; | |
836 | } else { | |
837 | head = &tx_buffer->tx_head.tx_rts.tx.head; | |
838 | } | |
f0e0d505 | 839 | |
92928f13 MP |
840 | /* Fill RTS */ |
841 | return s_vFillRTSHead(pDevice, byPktType, head, | |
842 | cbFrameSize, bNeedACK, psEthHeader, | |
843 | wCurrentRate, byFBOption); | |
f0e0d505 | 844 | |
92928f13 MP |
845 | } else { |
846 | struct vnt_rrv_time_cts *pBuf = &tx_buffer-> | |
847 | tx_head.tx_cts.cts; | |
848 | ||
849 | pBuf->wTxRrvTime_a = vnt_rxtx_rsvtime_le16(pDevice, | |
850 | byPktType, cbFrameSize, wCurrentRate, bNeedACK); | |
851 | pBuf->wTxRrvTime_b = vnt_rxtx_rsvtime_le16(pDevice, | |
852 | PK_TYPE_11B, cbFrameSize, | |
853 | pDevice->byTopCCKBasicRate, bNeedACK); | |
854 | ||
855 | pBuf->wCTSTxRrvTime_ba = s_uGetRTSCTSRsvTime(pDevice, 3, | |
856 | byPktType, cbFrameSize, wCurrentRate); | |
857 | ||
858 | if (need_mic) { | |
859 | *mic_hdr = &tx_buffer-> | |
860 | tx_head.tx_cts.tx.mic.hdr; | |
861 | head = &tx_buffer->tx_head.tx_cts.tx.mic.head; | |
862 | } else { | |
863 | head = &tx_buffer->tx_head.tx_cts.tx.head; | |
864 | } | |
865 | ||
866 | /* Fill CTS */ | |
867 | return s_vFillCTSHead(pDevice, uDMAIdx, byPktType, | |
868 | head, cbFrameSize, bNeedACK, wCurrentRate, | |
869 | byFBOption); | |
870 | } | |
871 | } else if (byPktType == PK_TYPE_11A) { | |
b9cc2fc0 | 872 | if (need_mic) { |
92928f13 MP |
873 | *mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr; |
874 | head = &tx_buffer->tx_head.tx_ab.tx.mic.head; | |
b9cc2fc0 | 875 | } else { |
92928f13 | 876 | head = &tx_buffer->tx_head.tx_ab.tx.head; |
b9cc2fc0 | 877 | } |
f0e0d505 | 878 | |
92928f13 MP |
879 | if (need_rts) { |
880 | struct vnt_rrv_time_ab *pBuf = &tx_buffer-> | |
881 | tx_head.tx_ab.ab; | |
9e38a5c1 | 882 | |
85417bf0 | 883 | pBuf->rts_rrv_time = s_uGetRTSCTSRsvTime(pDevice, 2, |
cfabe4b4 | 884 | byPktType, cbFrameSize, wCurrentRate); |
b9cc2fc0 | 885 | |
92928f13 MP |
886 | pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, |
887 | byPktType, cbFrameSize, wCurrentRate, bNeedACK); | |
9e38a5c1 | 888 | |
92928f13 MP |
889 | /* Fill RTS */ |
890 | return s_vFillRTSHead(pDevice, byPktType, head, | |
891 | cbFrameSize, bNeedACK, psEthHeader, | |
892 | wCurrentRate, byFBOption); | |
893 | } else { | |
894 | struct vnt_rrv_time_ab *pBuf = &tx_buffer-> | |
895 | tx_head.tx_ab.ab; | |
a90186e4 | 896 | |
92928f13 MP |
897 | pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, |
898 | PK_TYPE_11A, cbFrameSize, | |
899 | wCurrentRate, bNeedACK); | |
c12dca09 | 900 | |
92928f13 MP |
901 | return vnt_rxtx_datahead_a_fb(pDevice, byPktType, |
902 | wCurrentRate, &head->data_head_a_fb, | |
903 | cbFrameSize, bNeedACK); | |
904 | } | |
905 | } else if (byPktType == PK_TYPE_11B) { | |
906 | if (need_mic) { | |
907 | *mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr; | |
908 | head = &tx_buffer->tx_head.tx_ab.tx.mic.head; | |
909 | } else { | |
910 | head = &tx_buffer->tx_head.tx_ab.tx.head; | |
911 | } | |
912 | ||
913 | if (need_rts) { | |
914 | struct vnt_rrv_time_ab *pBuf = &tx_buffer-> | |
915 | tx_head.tx_ab.ab; | |
9e38a5c1 | 916 | |
85417bf0 | 917 | pBuf->rts_rrv_time = s_uGetRTSCTSRsvTime(pDevice, 0, |
cfabe4b4 | 918 | byPktType, cbFrameSize, wCurrentRate); |
f0e0d505 | 919 | |
92928f13 MP |
920 | pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, |
921 | PK_TYPE_11B, cbFrameSize, wCurrentRate, | |
922 | bNeedACK); | |
923 | ||
924 | /* Fill RTS */ | |
925 | return s_vFillRTSHead(pDevice, byPktType, head, | |
926 | cbFrameSize, | |
351c7dc3 | 927 | bNeedACK, psEthHeader, wCurrentRate, byFBOption); |
92928f13 MP |
928 | } else { |
929 | struct vnt_rrv_time_ab *pBuf = &tx_buffer-> | |
930 | tx_head.tx_ab.ab; | |
9e38a5c1 | 931 | |
92928f13 MP |
932 | pBuf->wTxRrvTime = vnt_rxtx_rsvtime_le16(pDevice, |
933 | PK_TYPE_11B, cbFrameSize, | |
934 | wCurrentRate, bNeedACK); | |
c12dca09 | 935 | |
92928f13 MP |
936 | return vnt_rxtx_datahead_ab(pDevice, byPktType, |
937 | wCurrentRate, &head->data_head_ab, | |
938 | cbFrameSize, bNeedACK); | |
939 | } | |
940 | } | |
0a0f4b69 MP |
941 | |
942 | return 0; | |
92b96797 FB |
943 | } |
944 | /* | |
b902fbfe | 945 | u8 * pbyBuffer,//point to pTxBufHead |
3eaca0d2 | 946 | u16 wFragType,//00:Non-Frag, 01:Start, 02:Mid, 03:Last |
cc856e61 | 947 | unsigned int cbFragmentSize,//Hdr+payoad+FCS |
92b96797 FB |
948 | */ |
949 | ||
d56131de | 950 | static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, |
d66caada | 951 | struct vnt_tx_buffer *tx_buffer, int bNeedEncryption, |
d0a2b8fa MP |
952 | u32 uSkbPacketLen, u32 uDMAIdx, struct ethhdr *psEthHeader, |
953 | u8 *pPacket, PSKeyItem pTransmitKey, u32 uNodeIndex, u16 wCurrentRate, | |
954 | u32 *pcbHeaderLen, u32 *pcbTotalLen) | |
92b96797 | 955 | { |
d66caada | 956 | struct vnt_tx_fifo_head *pTxBufHead = &tx_buffer->fifo_head; |
d56131de MP |
957 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
958 | u32 cbFrameSize, cbFrameBodySize; | |
d56131de MP |
959 | u32 cb802_1_H_len; |
960 | u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbMACHdLen = 0; | |
961 | u32 cbFCSlen = 4, cbMICHDR = 0; | |
f46142b0 MP |
962 | int bNeedACK; |
963 | bool bRTS = false; | |
d56131de MP |
964 | u8 *pbyType, *pbyMacHdr, *pbyIVHead, *pbyPayloadHead, *pbyTxBufferAddr; |
965 | u8 abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00}; | |
966 | u8 abySNAP_Bridgetunnel[ETH_ALEN] | |
967 | = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8}; | |
968 | u32 uDuration; | |
969 | u32 cbHeaderLength = 0, uPadding = 0; | |
5a5d6a80 | 970 | struct vnt_mic_hdr *pMICHDR; |
d56131de MP |
971 | u8 byFBOption = AUTO_FB_NONE, byFragType; |
972 | u16 wTxBufSize; | |
4235f72f | 973 | u32 dwMICKey0, dwMICKey1, dwMIC_Priority; |
d56131de | 974 | u32 *pdwMIC_L, *pdwMIC_R; |
e269fc2d | 975 | int bSoftWEP = false; |
9e38a5c1 | 976 | |
c545e6a6 | 977 | pMICHDR = NULL; |
92b96797 | 978 | |
e2efba76 | 979 | if (bNeedEncryption && pTransmitKey->pvKeyTable) { |
4e9b5e2b AM |
980 | if (((PSKeyTable)pTransmitKey->pvKeyTable)->bSoftWEP == true) |
981 | bSoftWEP = true; /* WEP 256 */ | |
e2efba76 | 982 | } |
92b96797 | 983 | |
c47b0a34 MP |
984 | /* Get pkt type */ |
985 | if (ntohs(psEthHeader->h_proto) > ETH_DATA_LEN) | |
986 | cb802_1_H_len = 8; | |
987 | else | |
988 | cb802_1_H_len = 0; | |
92b96797 | 989 | |
21ec51f3 | 990 | cbFrameBodySize = uSkbPacketLen - ETH_HLEN + cb802_1_H_len; |
92b96797 FB |
991 | |
992 | //Set packet type | |
3eaca0d2 | 993 | pTxBufHead->wFIFOCtl |= (u16)(byPktType<<8); |
92b96797 | 994 | |
a0ad2776 MP |
995 | if (pDevice->op_mode == NL80211_IFTYPE_ADHOC || |
996 | pDevice->op_mode == NL80211_IFTYPE_AP) { | |
ceb8c5da | 997 | if (is_multicast_ether_addr(psEthHeader->h_dest)) { |
e269fc2d | 998 | bNeedACK = false; |
22040bbf AM |
999 | pTxBufHead->wFIFOCtl = |
1000 | pTxBufHead->wFIFOCtl & (~FIFOCTL_NEEDACK); | |
1001 | } else { | |
4e9b5e2b | 1002 | bNeedACK = true; |
22040bbf AM |
1003 | pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; |
1004 | } | |
c47b0a34 MP |
1005 | } else { |
1006 | /* MSDUs in Infra mode always need ACK */ | |
1007 | bNeedACK = true; | |
1008 | pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; | |
1009 | } | |
92b96797 FB |
1010 | |
1011 | pTxBufHead->wTimeStamp = DEFAULT_MSDU_LIFETIME_RES_64us; | |
1012 | ||
92b96797 | 1013 | //Set FRAGCTL_MACHDCNT |
078d0cfd MP |
1014 | cbMACHdLen = WLAN_HDR_ADDR3_LEN; |
1015 | ||
3eaca0d2 | 1016 | pTxBufHead->wFragCtl |= (u16)(cbMACHdLen << 10); |
92b96797 FB |
1017 | |
1018 | //Set FIFOCTL_GrpAckPolicy | |
4e9b5e2b | 1019 | if (pDevice->bGrpAckPolicy == true) {//0000 0100 0000 0000 |
92b96797 FB |
1020 | pTxBufHead->wFIFOCtl |= FIFOCTL_GRPACK; |
1021 | } | |
1022 | ||
f84cdf65 MP |
1023 | /* Set Auto Fallback Ctl */ |
1024 | if (wCurrentRate >= RATE_18M) { | |
1025 | if (pDevice->byAutoFBCtrl == AUTO_FB_0) { | |
1026 | pTxBufHead->wFIFOCtl |= FIFOCTL_AUTO_FB_0; | |
1027 | ||
1028 | pDevice->tx_rate_fb0 = | |
1029 | wFB_Opt0[FB_RATE0][wCurrentRate - RATE_18M]; | |
1030 | pDevice->tx_rate_fb1 = | |
1031 | wFB_Opt0[FB_RATE1][wCurrentRate - RATE_18M]; | |
1032 | ||
1033 | byFBOption = AUTO_FB_0; | |
1034 | } else if (pDevice->byAutoFBCtrl == AUTO_FB_1) { | |
1035 | pTxBufHead->wFIFOCtl |= FIFOCTL_AUTO_FB_1; | |
1036 | pDevice->tx_rate_fb0 = | |
1037 | wFB_Opt1[FB_RATE0][wCurrentRate - RATE_18M]; | |
1038 | pDevice->tx_rate_fb1 = | |
1039 | wFB_Opt1[FB_RATE1][wCurrentRate - RATE_18M]; | |
1040 | ||
1041 | byFBOption = AUTO_FB_1; | |
1042 | } | |
1043 | } | |
92b96797 | 1044 | |
4e9b5e2b | 1045 | if (bSoftWEP != true) { |
92b96797 FB |
1046 | if ((bNeedEncryption) && (pTransmitKey != NULL)) { //WEP enabled |
1047 | if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { //WEP40 or WEP104 | |
1048 | pTxBufHead->wFragCtl |= FRAGCTL_LEGACY; | |
1049 | } | |
1050 | if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) { | |
1051 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Tx Set wFragCtl == FRAGCTL_TKIP\n"); | |
1052 | pTxBufHead->wFragCtl |= FRAGCTL_TKIP; | |
1053 | } | |
1054 | else if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) { //CCMP | |
1055 | pTxBufHead->wFragCtl |= FRAGCTL_AES; | |
1056 | } | |
1057 | } | |
1058 | } | |
1059 | ||
92b96797 FB |
1060 | if ((bNeedEncryption) && (pTransmitKey != NULL)) { |
1061 | if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { | |
1062 | cbIVlen = 4; | |
1063 | cbICVlen = 4; | |
1064 | } | |
1065 | else if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) { | |
1066 | cbIVlen = 8;//IV+ExtIV | |
1067 | cbMIClen = 8; | |
1068 | cbICVlen = 4; | |
1069 | } | |
1070 | if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) { | |
1071 | cbIVlen = 8;//RSN Header | |
1072 | cbICVlen = 8;//MIC | |
5a5d6a80 | 1073 | cbMICHDR = sizeof(struct vnt_mic_hdr); |
92b96797 | 1074 | } |
e269fc2d | 1075 | if (bSoftWEP == false) { |
92b96797 FB |
1076 | //MAC Header should be padding 0 to DW alignment. |
1077 | uPadding = 4 - (cbMACHdLen%4); | |
1078 | uPadding %= 4; | |
1079 | } | |
1080 | } | |
1081 | ||
1082 | cbFrameSize = cbMACHdLen + cbIVlen + (cbFrameBodySize + cbMIClen) + cbICVlen + cbFCSlen; | |
1083 | ||
e269fc2d AM |
1084 | if ( (bNeedACK == false) ||(cbFrameSize < pDevice->wRTSThreshold) ) { |
1085 | bRTS = false; | |
92b96797 | 1086 | } else { |
4e9b5e2b | 1087 | bRTS = true; |
92b96797 FB |
1088 | pTxBufHead->wFIFOCtl |= (FIFOCTL_RTS | FIFOCTL_LRETRY); |
1089 | } | |
1090 | ||
b902fbfe | 1091 | pbyTxBufferAddr = (u8 *) &(pTxBufHead->adwTxKey[0]); |
d66caada MP |
1092 | wTxBufSize = sizeof(struct vnt_tx_fifo_head); |
1093 | ||
92b96797 FB |
1094 | if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet |
1095 | if (byFBOption == AUTO_FB_NONE) { | |
4e9b5e2b | 1096 | if (bRTS == true) {//RTS_need |
6398a59b | 1097 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_rts) + |
78363fd1 | 1098 | cbMICHDR + sizeof(struct vnt_rts_g); |
92b96797 FB |
1099 | } |
1100 | else { //RTS_needless | |
4f990057 | 1101 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + |
78363fd1 | 1102 | cbMICHDR + sizeof(struct vnt_cts); |
92b96797 FB |
1103 | } |
1104 | } else { | |
1105 | // Auto Fall Back | |
4e9b5e2b | 1106 | if (bRTS == true) {//RTS_need |
6398a59b | 1107 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_rts) + |
5b852f53 | 1108 | cbMICHDR + sizeof(struct vnt_rts_g_fb); |
92b96797 | 1109 | } |
e269fc2d | 1110 | else if (bRTS == false) { //RTS_needless |
4f990057 | 1111 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + |
5b852f53 | 1112 | cbMICHDR + sizeof(struct vnt_cts_fb); |
92b96797 FB |
1113 | } |
1114 | } // Auto Fall Back | |
1115 | } | |
1116 | else {//802.11a/b packet | |
1117 | if (byFBOption == AUTO_FB_NONE) { | |
4e9b5e2b | 1118 | if (bRTS == true) {//RTS_need |
976467d3 | 1119 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + |
5634a5ab | 1120 | cbMICHDR + sizeof(struct vnt_rts_ab); |
92b96797 | 1121 | } |
e269fc2d | 1122 | else if (bRTS == false) { //RTS_needless, no MICHDR |
976467d3 | 1123 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + |
558becf1 | 1124 | cbMICHDR + sizeof(struct vnt_tx_datahead_ab); |
92b96797 FB |
1125 | } |
1126 | } else { | |
1127 | // Auto Fall Back | |
4e9b5e2b | 1128 | if (bRTS == true) {//RTS_need |
976467d3 | 1129 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + |
bd3f51f1 | 1130 | cbMICHDR + sizeof(struct vnt_rts_a_fb); |
92b96797 | 1131 | } |
e269fc2d | 1132 | else if (bRTS == false) { //RTS_needless |
976467d3 | 1133 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + |
1da4ee20 | 1134 | cbMICHDR + sizeof(struct vnt_tx_datahead_a_fb); |
92b96797 FB |
1135 | } |
1136 | } // Auto Fall Back | |
1137 | } | |
1138 | ||
b902fbfe AM |
1139 | pbyMacHdr = (u8 *)(pbyTxBufferAddr + cbHeaderLength); |
1140 | pbyIVHead = (u8 *)(pbyMacHdr + cbMACHdLen + uPadding); | |
1141 | pbyPayloadHead = (u8 *)(pbyMacHdr + cbMACHdLen + uPadding + cbIVlen); | |
92b96797 | 1142 | |
92b96797 FB |
1143 | //========================= |
1144 | // No Fragmentation | |
1145 | //========================= | |
1146 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No Fragmentation...\n"); | |
1147 | byFragType = FRAGCTL_NONFRAG; | |
1148 | //uDMAIdx = TYPE_AC0DMA; | |
1149 | //pTxBufHead = (PSTxBufHead) &(pTxBufHead->adwTxKey[0]); | |
1150 | ||
78363fd1 MP |
1151 | /* Fill FIFO, RrvTime, RTS and CTS */ |
1152 | uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, | |
1153 | tx_buffer, &pMICHDR, cbMICHDR, | |
1154 | cbFrameSize, bNeedACK, uDMAIdx, psEthHeader, bRTS); | |
c12dca09 | 1155 | |
92b96797 | 1156 | // Generate TX MAC Header |
3eaca0d2 | 1157 | s_vGenerateMACHeader(pDevice, pbyMacHdr, (u16)uDuration, psEthHeader, bNeedEncryption, |
92b96797 FB |
1158 | byFragType, uDMAIdx, 0); |
1159 | ||
4e9b5e2b | 1160 | if (bNeedEncryption == true) { |
92b96797 | 1161 | //Fill TXKEY |
3ba0938c | 1162 | s_vFillTxKey(pDevice, pTxBufHead, pbyIVHead, pTransmitKey, |
ec37d8b6 | 1163 | pbyMacHdr, (u16)cbFrameBodySize, pMICHDR); |
92b96797 FB |
1164 | |
1165 | if (pDevice->bEnableHostWEP) { | |
1166 | pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16 = pTransmitKey->dwTSC47_16; | |
1167 | pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0 = pTransmitKey->wTSC15_0; | |
1168 | } | |
1169 | } | |
1170 | ||
c47b0a34 MP |
1171 | /* 802.1H */ |
1172 | if (ntohs(psEthHeader->h_proto) > ETH_DATA_LEN) { | |
ceb8c5da | 1173 | if ((psEthHeader->h_proto == cpu_to_be16(ETH_P_IPX)) || |
c47b0a34 | 1174 | (psEthHeader->h_proto == cpu_to_le16(0xF380))) |
b902fbfe | 1175 | memcpy((u8 *) (pbyPayloadHead), |
c47b0a34 MP |
1176 | abySNAP_Bridgetunnel, 6); |
1177 | else | |
1178 | memcpy((u8 *) (pbyPayloadHead), &abySNAP_RFC1042[0], 6); | |
92b96797 | 1179 | |
c47b0a34 | 1180 | pbyType = (u8 *) (pbyPayloadHead + 6); |
92b96797 | 1181 | |
c47b0a34 MP |
1182 | memcpy(pbyType, &(psEthHeader->h_proto), sizeof(u16)); |
1183 | } | |
92b96797 | 1184 | |
92b96797 FB |
1185 | if (pPacket != NULL) { |
1186 | // Copy the Packet into a tx Buffer | |
3e362598 | 1187 | memcpy((pbyPayloadHead + cb802_1_H_len), |
21ec51f3 CC |
1188 | (pPacket + ETH_HLEN), |
1189 | uSkbPacketLen - ETH_HLEN | |
92b96797 FB |
1190 | ); |
1191 | ||
1192 | } else { | |
1193 | // while bRelayPacketSend psEthHeader is point to header+payload | |
b902fbfe | 1194 | memcpy((pbyPayloadHead + cb802_1_H_len), ((u8 *)psEthHeader) + ETH_HLEN, uSkbPacketLen - ETH_HLEN); |
92b96797 FB |
1195 | } |
1196 | ||
4e9b5e2b | 1197 | if ((bNeedEncryption == true) && (pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) { |
92b96797 FB |
1198 | |
1199 | /////////////////////////////////////////////////////////////////// | |
1200 | ||
14c5ef57 MP |
1201 | if (pDevice->vnt_mgmt.eAuthenMode == WMAC_AUTH_WPANONE) { |
1202 | dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]); | |
1203 | dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]); | |
1204 | } | |
92b96797 | 1205 | else if ((pTransmitKey->dwKeyIndex & AUTHENTICATOR_KEY) != 0) { |
52a7e64b AM |
1206 | dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]); |
1207 | dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]); | |
92b96797 FB |
1208 | } |
1209 | else { | |
52a7e64b AM |
1210 | dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[24]); |
1211 | dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[28]); | |
92b96797 FB |
1212 | } |
1213 | // DO Software Michael | |
1214 | MIC_vInit(dwMICKey0, dwMICKey1); | |
ceb8c5da | 1215 | MIC_vAppend((u8 *)&(psEthHeader->h_dest[0]), 12); |
92b96797 | 1216 | dwMIC_Priority = 0; |
b902fbfe | 1217 | MIC_vAppend((u8 *)&dwMIC_Priority, 4); |
b4dc03af MP |
1218 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC KEY: %X, %X\n", |
1219 | dwMICKey0, dwMICKey1); | |
92b96797 FB |
1220 | |
1221 | /////////////////////////////////////////////////////////////////// | |
1222 | ||
1223 | //DBG_PRN_GRP12(("Length:%d, %d\n", cbFrameBodySize, uFromHDtoPLDLength)); | |
1224 | //for (ii = 0; ii < cbFrameBodySize; ii++) { | |
b902fbfe | 1225 | // DBG_PRN_GRP12(("%02x ", *((u8 *)((pbyPayloadHead + cb802_1_H_len) + ii)))); |
92b96797 FB |
1226 | //} |
1227 | //DBG_PRN_GRP12(("\n\n\n")); | |
1228 | ||
1229 | MIC_vAppend(pbyPayloadHead, cbFrameBodySize); | |
1230 | ||
52a7e64b AM |
1231 | pdwMIC_L = (u32 *)(pbyPayloadHead + cbFrameBodySize); |
1232 | pdwMIC_R = (u32 *)(pbyPayloadHead + cbFrameBodySize + 4); | |
92b96797 FB |
1233 | |
1234 | MIC_vGetMIC(pdwMIC_L, pdwMIC_R); | |
1235 | MIC_vUnInit(); | |
1236 | ||
4e9b5e2b | 1237 | if (pDevice->bTxMICFail == true) { |
92b96797 FB |
1238 | *pdwMIC_L = 0; |
1239 | *pdwMIC_R = 0; | |
e269fc2d | 1240 | pDevice->bTxMICFail = false; |
92b96797 FB |
1241 | } |
1242 | //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"uLength: %d, %d\n", uLength, cbFrameBodySize); | |
1243 | //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"cbReqCount:%d, %d, %d, %d\n", cbReqCount, cbHeaderLength, uPadding, cbIVlen); | |
1244 | //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC:%lX, %lX\n", *pdwMIC_L, *pdwMIC_R); | |
1245 | } | |
1246 | ||
4e9b5e2b | 1247 | if (bSoftWEP == true) { |
92b96797 | 1248 | |
3eaca0d2 | 1249 | s_vSWencryption(pDevice, pTransmitKey, (pbyPayloadHead), (u16)(cbFrameBodySize + cbMIClen)); |
92b96797 | 1250 | |
4e9b5e2b AM |
1251 | } else if ( ((pDevice->eEncryptionStatus == Ndis802_11Encryption1Enabled) && (bNeedEncryption == true)) || |
1252 | ((pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) && (bNeedEncryption == true)) || | |
1253 | ((pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) && (bNeedEncryption == true)) ) { | |
92b96797 FB |
1254 | cbFrameSize -= cbICVlen; |
1255 | } | |
1256 | ||
92b96797 | 1257 | cbFrameSize -= cbFCSlen; |
92b96797 FB |
1258 | |
1259 | *pcbHeaderLen = cbHeaderLength; | |
1260 | *pcbTotalLen = cbHeaderLength + cbFrameSize ; | |
1261 | ||
92b96797 | 1262 | //Set FragCtl in TxBufferHead |
3eaca0d2 | 1263 | pTxBufHead->wFragCtl |= (u16)byFragType; |
92b96797 | 1264 | |
4e9b5e2b | 1265 | return true; |
92b96797 FB |
1266 | |
1267 | } | |
1268 | ||
92b96797 FB |
1269 | /*+ |
1270 | * | |
1271 | * Description: | |
1272 | * Translate 802.3 to 802.11 header | |
1273 | * | |
1274 | * Parameters: | |
1275 | * In: | |
a0a1f61a | 1276 | * pDevice - Pointer to adapter |
92b96797 FB |
1277 | * dwTxBufferAddr - Transmit Buffer |
1278 | * pPacket - Packet from upper layer | |
1279 | * cbPacketSize - Transmit Data Length | |
1280 | * Out: | |
1281 | * pcbHeadSize - Header size of MAC&Baseband control and 802.11 Header | |
1282 | * pcbAppendPayload - size of append payload for 802.1H translation | |
1283 | * | |
1284 | * Return Value: none | |
1285 | * | |
1286 | -*/ | |
1287 | ||
d56131de | 1288 | static void s_vGenerateMACHeader(struct vnt_private *pDevice, |
ceb8c5da | 1289 | u8 *pbyBufferAddr, u16 wDuration, struct ethhdr *psEthHeader, |
d56131de | 1290 | int bNeedEncrypt, u16 wFragType, u32 uDMAIdx, u32 uFragIdx) |
92b96797 | 1291 | { |
1cac4a4b | 1292 | struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *)pbyBufferAddr; |
92b96797 | 1293 | |
c921cc8c | 1294 | pMACHeader->frame_control = TYPE_802_11_DATA; |
92b96797 | 1295 | |
a0ad2776 | 1296 | if (pDevice->op_mode == NL80211_IFTYPE_AP) { |
1cac4a4b | 1297 | memcpy(&(pMACHeader->addr1[0]), |
ceb8c5da | 1298 | &(psEthHeader->h_dest[0]), |
9a0e756c | 1299 | ETH_ALEN); |
1cac4a4b AM |
1300 | memcpy(&(pMACHeader->addr2[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); |
1301 | memcpy(&(pMACHeader->addr3[0]), | |
ceb8c5da | 1302 | &(psEthHeader->h_source[0]), |
9a0e756c | 1303 | ETH_ALEN); |
1cac4a4b | 1304 | pMACHeader->frame_control |= FC_FROMDS; |
9a0e756c | 1305 | } else { |
a0ad2776 | 1306 | if (pDevice->op_mode == NL80211_IFTYPE_ADHOC) { |
1cac4a4b | 1307 | memcpy(&(pMACHeader->addr1[0]), |
ceb8c5da | 1308 | &(psEthHeader->h_dest[0]), |
9a0e756c | 1309 | ETH_ALEN); |
1cac4a4b | 1310 | memcpy(&(pMACHeader->addr2[0]), |
ceb8c5da | 1311 | &(psEthHeader->h_source[0]), |
9a0e756c | 1312 | ETH_ALEN); |
1cac4a4b | 1313 | memcpy(&(pMACHeader->addr3[0]), |
9a0e756c AM |
1314 | &(pDevice->abyBSSID[0]), |
1315 | ETH_ALEN); | |
1316 | } else { | |
1cac4a4b | 1317 | memcpy(&(pMACHeader->addr3[0]), |
ceb8c5da | 1318 | &(psEthHeader->h_dest[0]), |
9a0e756c | 1319 | ETH_ALEN); |
1cac4a4b | 1320 | memcpy(&(pMACHeader->addr2[0]), |
ceb8c5da | 1321 | &(psEthHeader->h_source[0]), |
9a0e756c | 1322 | ETH_ALEN); |
1cac4a4b | 1323 | memcpy(&(pMACHeader->addr1[0]), |
9a0e756c AM |
1324 | &(pDevice->abyBSSID[0]), |
1325 | ETH_ALEN); | |
1cac4a4b | 1326 | pMACHeader->frame_control |= FC_TODS; |
92b96797 FB |
1327 | } |
1328 | } | |
1329 | ||
1330 | if (bNeedEncrypt) | |
1cac4a4b | 1331 | pMACHeader->frame_control |= cpu_to_le16((u16)WLAN_SET_FC_ISWEP(1)); |
92b96797 | 1332 | |
1cac4a4b | 1333 | pMACHeader->duration_id = cpu_to_le16(wDuration); |
92b96797 | 1334 | |
1cac4a4b | 1335 | pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4); |
92b96797 FB |
1336 | |
1337 | //Set FragNumber in Sequence Control | |
1cac4a4b | 1338 | pMACHeader->seq_ctrl |= cpu_to_le16((u16)uFragIdx); |
92b96797 FB |
1339 | |
1340 | if ((wFragType == FRAGCTL_ENDFRAG) || (wFragType == FRAGCTL_NONFRAG)) { | |
1341 | pDevice->wSeqCounter++; | |
1342 | if (pDevice->wSeqCounter > 0x0fff) | |
1343 | pDevice->wSeqCounter = 0; | |
1344 | } | |
1345 | ||
1346 | if ((wFragType == FRAGCTL_STAFRAG) || (wFragType == FRAGCTL_MIDFRAG)) { //StartFrag or MidFrag | |
1cac4a4b | 1347 | pMACHeader->frame_control |= FC_MOREFRAG; |
92b96797 FB |
1348 | } |
1349 | } | |
1350 | ||
92b96797 FB |
1351 | /*+ |
1352 | * | |
1353 | * Description: | |
1354 | * Request instructs a MAC to transmit a 802.11 management packet through | |
1355 | * the adapter onto the medium. | |
1356 | * | |
1357 | * Parameters: | |
1358 | * In: | |
1359 | * hDeviceContext - Pointer to the adapter | |
1360 | * pPacket - A pointer to a descriptor for the packet to transmit | |
1361 | * Out: | |
1362 | * none | |
1363 | * | |
e269fc2d | 1364 | * Return Value: CMD_STATUS_PENDING if MAC Tx resource available; otherwise false |
92b96797 FB |
1365 | * |
1366 | -*/ | |
1367 | ||
d56131de MP |
1368 | CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, |
1369 | struct vnt_tx_mgmt *pPacket) | |
92b96797 | 1370 | { |
d56131de | 1371 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
f39c0d8e | 1372 | struct vnt_tx_buffer *pTX_Buffer; |
dcdf1d03 | 1373 | struct vnt_usb_send_context *pContext; |
d66caada | 1374 | struct vnt_tx_fifo_head *pTxBufHead; |
1cac4a4b | 1375 | struct ieee80211_hdr *pMACHeader; |
ceb8c5da | 1376 | struct ethhdr sEthHeader; |
d56131de | 1377 | u8 byPktType, *pbyTxBufferAddr; |
f0e0d505 | 1378 | struct vnt_mic_hdr *pMICHDR = NULL; |
d56131de | 1379 | u32 uDuration, cbReqCount, cbHeaderSize, cbFrameBodySize, cbFrameSize; |
e269fc2d | 1380 | int bNeedACK, bIsPSPOLL = false; |
d56131de MP |
1381 | u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbFCSlen = 4; |
1382 | u32 uPadding = 0; | |
1383 | u16 wTxBufSize; | |
1384 | u32 cbMacHdLen; | |
1385 | u16 wCurrentRate = RATE_1M; | |
92b96797 | 1386 | |
aceaf018 | 1387 | pContext = s_vGetFreeContext(pDevice); |
92b96797 FB |
1388 | |
1389 | if (NULL == pContext) { | |
1390 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ManagementSend TX...NO CONTEXT!\n"); | |
1391 | return CMD_STATUS_RESOURCES; | |
1392 | } | |
1393 | ||
f39c0d8e | 1394 | pTX_Buffer = (struct vnt_tx_buffer *)&pContext->Data[0]; |
92b96797 | 1395 | cbFrameBodySize = pPacket->cbPayloadLen; |
d66caada MP |
1396 | pTxBufHead = &pTX_Buffer->fifo_head; |
1397 | pbyTxBufferAddr = (u8 *)&pTxBufHead->adwTxKey[0]; | |
1398 | wTxBufSize = sizeof(struct vnt_tx_fifo_head); | |
92b96797 FB |
1399 | |
1400 | if (pDevice->byBBType == BB_TYPE_11A) { | |
1401 | wCurrentRate = RATE_6M; | |
1402 | byPktType = PK_TYPE_11A; | |
1403 | } else { | |
1404 | wCurrentRate = RATE_1M; | |
1405 | byPktType = PK_TYPE_11B; | |
1406 | } | |
1407 | ||
1408 | // SetPower will cause error power TX state for OFDM Date packet in TX buffer. | |
1409 | // 2004.11.11 Kyle -- Using OFDM power to tx MngPkt will decrease the connection capability. | |
1410 | // And cmd timer will wait data pkt TX finish before scanning so it's OK | |
1411 | // to set power here. | |
1412 | if (pMgmt->eScanState != WMAC_NO_SCANNING) { | |
1413 | RFbSetPower(pDevice, wCurrentRate, pDevice->byCurrentCh); | |
1414 | } else { | |
1415 | RFbSetPower(pDevice, wCurrentRate, pMgmt->uCurrChannel); | |
1416 | } | |
1417 | pDevice->wCurrentRate = wCurrentRate; | |
1418 | ||
92b96797 FB |
1419 | //Set packet type |
1420 | if (byPktType == PK_TYPE_11A) {//0000 0000 0000 0000 | |
1421 | pTxBufHead->wFIFOCtl = 0; | |
1422 | } | |
1423 | else if (byPktType == PK_TYPE_11B) {//0000 0001 0000 0000 | |
1424 | pTxBufHead->wFIFOCtl |= FIFOCTL_11B; | |
1425 | } | |
1426 | else if (byPktType == PK_TYPE_11GB) {//0000 0010 0000 0000 | |
1427 | pTxBufHead->wFIFOCtl |= FIFOCTL_11GB; | |
1428 | } | |
1429 | else if (byPktType == PK_TYPE_11GA) {//0000 0011 0000 0000 | |
1430 | pTxBufHead->wFIFOCtl |= FIFOCTL_11GA; | |
1431 | } | |
1432 | ||
1433 | pTxBufHead->wFIFOCtl |= FIFOCTL_TMOEN; | |
1434 | pTxBufHead->wTimeStamp = cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us); | |
1435 | ||
22040bbf | 1436 | if (is_multicast_ether_addr(pPacket->p80211Header->sA3.abyAddr1)) { |
e269fc2d | 1437 | bNeedACK = false; |
92b96797 FB |
1438 | } |
1439 | else { | |
4e9b5e2b | 1440 | bNeedACK = true; |
92b96797 FB |
1441 | pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; |
1442 | }; | |
1443 | ||
1444 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || | |
1445 | (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ) { | |
1446 | ||
1447 | pTxBufHead->wFIFOCtl |= FIFOCTL_LRETRY; | |
1448 | //Set Preamble type always long | |
1449 | //pDevice->byPreambleType = PREAMBLE_LONG; | |
1450 | // probe-response don't retry | |
1451 | //if ((pPacket->p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_MGMT_PROBE_RSP) { | |
e269fc2d | 1452 | // bNeedACK = false; |
92b96797 FB |
1453 | // pTxBufHead->wFIFOCtl &= (~FIFOCTL_NEEDACK); |
1454 | //} | |
1455 | } | |
1456 | ||
1457 | pTxBufHead->wFIFOCtl |= (FIFOCTL_GENINT | FIFOCTL_ISDMA0); | |
1458 | ||
1459 | if ((pPacket->p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL) { | |
4e9b5e2b | 1460 | bIsPSPOLL = true; |
92b96797 FB |
1461 | cbMacHdLen = WLAN_HDR_ADDR2_LEN; |
1462 | } else { | |
1463 | cbMacHdLen = WLAN_HDR_ADDR3_LEN; | |
1464 | } | |
1465 | ||
1466 | //Set FRAGCTL_MACHDCNT | |
3eaca0d2 | 1467 | pTxBufHead->wFragCtl |= cpu_to_le16((u16)(cbMacHdLen << 10)); |
92b96797 FB |
1468 | |
1469 | // Notes: | |
1470 | // Although spec says MMPDU can be fragmented; In most case, | |
1471 | // no one will send a MMPDU under fragmentation. With RTS may occur. | |
92b96797 FB |
1472 | |
1473 | if (WLAN_GET_FC_ISWEP(pPacket->p80211Header->sA4.wFrameCtl) != 0) { | |
1474 | if (pDevice->eEncryptionStatus == Ndis802_11Encryption1Enabled) { | |
1475 | cbIVlen = 4; | |
1476 | cbICVlen = 4; | |
1477 | pTxBufHead->wFragCtl |= FRAGCTL_LEGACY; | |
1478 | } | |
1479 | else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) { | |
1480 | cbIVlen = 8;//IV+ExtIV | |
1481 | cbMIClen = 8; | |
1482 | cbICVlen = 4; | |
1483 | pTxBufHead->wFragCtl |= FRAGCTL_TKIP; | |
1484 | //We need to get seed here for filling TxKey entry. | |
1485 | //TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr, | |
1486 | // pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, pDevice->abyPRNG); | |
1487 | } | |
1488 | else if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) { | |
1489 | cbIVlen = 8;//RSN Header | |
1490 | cbICVlen = 8;//MIC | |
1491 | pTxBufHead->wFragCtl |= FRAGCTL_AES; | |
92b96797 FB |
1492 | } |
1493 | //MAC Header should be padding 0 to DW alignment. | |
1494 | uPadding = 4 - (cbMacHdLen%4); | |
1495 | uPadding %= 4; | |
1496 | } | |
1497 | ||
1498 | cbFrameSize = cbMacHdLen + cbFrameBodySize + cbIVlen + cbMIClen + cbICVlen + cbFCSlen; | |
1499 | ||
1500 | //Set FIFOCTL_GrpAckPolicy | |
4e9b5e2b | 1501 | if (pDevice->bGrpAckPolicy == true) {//0000 0100 0000 0000 |
92b96797 FB |
1502 | pTxBufHead->wFIFOCtl |= FIFOCTL_GRPACK; |
1503 | } | |
1504 | //the rest of pTxBufHead->wFragCtl:FragTyp will be set later in s_vFillFragParameter() | |
1505 | ||
1506 | //Set RrvTime/RTS/CTS Buffer | |
1507 | if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet | |
4f990057 | 1508 | cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + |
78363fd1 | 1509 | sizeof(struct vnt_cts); |
92b96797 FB |
1510 | } |
1511 | else { // 802.11a/b packet | |
976467d3 | 1512 | cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + |
558becf1 | 1513 | sizeof(struct vnt_tx_datahead_ab); |
92b96797 FB |
1514 | } |
1515 | ||
ceb8c5da | 1516 | memcpy(&(sEthHeader.h_dest[0]), |
9a0e756c AM |
1517 | &(pPacket->p80211Header->sA3.abyAddr1[0]), |
1518 | ETH_ALEN); | |
ceb8c5da | 1519 | memcpy(&(sEthHeader.h_source[0]), |
9a0e756c AM |
1520 | &(pPacket->p80211Header->sA3.abyAddr2[0]), |
1521 | ETH_ALEN); | |
92b96797 FB |
1522 | //========================= |
1523 | // No Fragmentation | |
1524 | //========================= | |
3eaca0d2 | 1525 | pTxBufHead->wFragCtl |= (u16)FRAGCTL_NONFRAG; |
92b96797 | 1526 | |
351c7dc3 | 1527 | /* Fill FIFO,RrvTime,RTS,and CTS */ |
78363fd1 | 1528 | uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, |
fa57560c | 1529 | pTX_Buffer, &pMICHDR, 0, |
f46142b0 | 1530 | cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader, false); |
92b96797 | 1531 | |
1cac4a4b | 1532 | pMACHeader = (struct ieee80211_hdr *) (pbyTxBufferAddr + cbHeaderSize); |
92b96797 FB |
1533 | |
1534 | cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + cbFrameBodySize; | |
1535 | ||
1536 | if (WLAN_GET_FC_ISWEP(pPacket->p80211Header->sA4.wFrameCtl) != 0) { | |
b902fbfe AM |
1537 | u8 * pbyIVHead; |
1538 | u8 * pbyPayloadHead; | |
1539 | u8 * pbyBSSID; | |
92b96797 FB |
1540 | PSKeyItem pTransmitKey = NULL; |
1541 | ||
b902fbfe AM |
1542 | pbyIVHead = (u8 *)(pbyTxBufferAddr + cbHeaderSize + cbMacHdLen + uPadding); |
1543 | pbyPayloadHead = (u8 *)(pbyTxBufferAddr + cbHeaderSize + cbMacHdLen + uPadding + cbIVlen); | |
92b96797 | 1544 | do { |
a0ad2776 MP |
1545 | if (pDevice->op_mode == NL80211_IFTYPE_STATION && |
1546 | pDevice->bLinkPass == true) { | |
92b96797 FB |
1547 | pbyBSSID = pDevice->abyBSSID; |
1548 | // get pairwise key | |
e269fc2d | 1549 | if (KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, PAIRWISE_KEY, &pTransmitKey) == false) { |
92b96797 | 1550 | // get group key |
4e9b5e2b | 1551 | if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == true) { |
92b96797 FB |
1552 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Get GTK.\n"); |
1553 | break; | |
1554 | } | |
1555 | } else { | |
1556 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Get PTK.\n"); | |
1557 | break; | |
1558 | } | |
1559 | } | |
1560 | // get group key | |
1561 | pbyBSSID = pDevice->abyBroadcastAddr; | |
e269fc2d | 1562 | if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == false) { |
92b96797 | 1563 | pTransmitKey = NULL; |
a0ad2776 | 1564 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KEY is NULL. OP Mode[%d]\n", pDevice->op_mode); |
92b96797 FB |
1565 | } else { |
1566 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Get GTK.\n"); | |
1567 | } | |
e269fc2d | 1568 | } while(false); |
92b96797 | 1569 | //Fill TXKEY |
3ba0938c | 1570 | s_vFillTxKey(pDevice, pTxBufHead, pbyIVHead, pTransmitKey, |
3eaca0d2 | 1571 | (u8 *)pMACHeader, (u16)cbFrameBodySize, NULL); |
92b96797 | 1572 | |
3e362598 | 1573 | memcpy(pMACHeader, pPacket->p80211Header, cbMacHdLen); |
b902fbfe | 1574 | memcpy(pbyPayloadHead, ((u8 *)(pPacket->p80211Header) + cbMacHdLen), |
92b96797 FB |
1575 | cbFrameBodySize); |
1576 | } | |
1577 | else { | |
1578 | // Copy the Packet into a tx Buffer | |
3e362598 | 1579 | memcpy(pMACHeader, pPacket->p80211Header, pPacket->cbMPDULen); |
92b96797 FB |
1580 | } |
1581 | ||
1cac4a4b | 1582 | pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4); |
92b96797 FB |
1583 | pDevice->wSeqCounter++ ; |
1584 | if (pDevice->wSeqCounter > 0x0fff) | |
1585 | pDevice->wSeqCounter = 0; | |
1586 | ||
1587 | if (bIsPSPOLL) { | |
1588 | // The MAC will automatically replace the Duration-field of MAC header by Duration-field | |
a0a1f61a | 1589 | // of FIFO control header. |
92b96797 FB |
1590 | // This will cause AID-field of PS-POLL packet be incorrect (Because PS-POLL's AID field is |
1591 | // in the same place of other packet's Duration-field). | |
1592 | // And it will cause Cisco-AP to issue Disassociation-packet | |
7e60a3de | 1593 | if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { |
78363fd1 MP |
1594 | struct vnt_tx_datahead_g *data_head = &pTX_Buffer->tx_head. |
1595 | tx_cts.tx.head.cts_g.data_head; | |
4e01117c | 1596 | data_head->duration_a = |
7e60a3de | 1597 | cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); |
4e01117c | 1598 | data_head->duration_b = |
7e60a3de MP |
1599 | cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); |
1600 | } else { | |
c12dca09 MP |
1601 | struct vnt_tx_datahead_ab *data_head = &pTX_Buffer->tx_head. |
1602 | tx_ab.tx.head.data_head_ab; | |
4e01117c | 1603 | data_head->duration = |
558becf1 MP |
1604 | cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); |
1605 | } | |
92b96797 FB |
1606 | } |
1607 | ||
3eaca0d2 | 1608 | pTX_Buffer->wTxByteCount = cpu_to_le16((u16)(cbReqCount)); |
b902fbfe | 1609 | pTX_Buffer->byPKTNO = (u8) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); |
92b96797 FB |
1610 | pTX_Buffer->byType = 0x00; |
1611 | ||
1612 | pContext->pPacket = NULL; | |
1450ba62 | 1613 | pContext->type = CONTEXT_MGMT_PACKET; |
3eaca0d2 | 1614 | pContext->uBufLen = (u16)cbReqCount + 4; //USB header |
92b96797 | 1615 | |
1cac4a4b | 1616 | if (WLAN_GET_FC_TODS(pMACHeader->frame_control) == 0) { |
d66caada MP |
1617 | s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), |
1618 | &pMACHeader->addr1[0], (u16)cbFrameSize, | |
1619 | pTxBufHead->wFIFOCtl); | |
92b96797 FB |
1620 | } |
1621 | else { | |
d66caada MP |
1622 | s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), |
1623 | &pMACHeader->addr3[0], (u16)cbFrameSize, | |
1624 | pTxBufHead->wFIFOCtl); | |
92b96797 FB |
1625 | } |
1626 | ||
1627 | PIPEnsSendBulkOut(pDevice,pContext); | |
1628 | return CMD_STATUS_PENDING; | |
1629 | } | |
1630 | ||
d56131de MP |
1631 | CMD_STATUS csBeacon_xmit(struct vnt_private *pDevice, |
1632 | struct vnt_tx_mgmt *pPacket) | |
92b96797 | 1633 | { |
01f865ba | 1634 | struct vnt_beacon_buffer *pTX_Buffer; |
c7c57b24 | 1635 | struct vnt_tx_short_buf_head *short_head; |
d56131de MP |
1636 | u32 cbFrameSize = pPacket->cbMPDULen + WLAN_FCS_LEN; |
1637 | u32 cbHeaderSize = 0; | |
1cac4a4b | 1638 | struct ieee80211_hdr *pMACHeader; |
d56131de MP |
1639 | u16 wCurrentRate; |
1640 | u32 cbFrameBodySize; | |
1641 | u32 cbReqCount; | |
dcdf1d03 | 1642 | struct vnt_usb_send_context *pContext; |
d56131de | 1643 | CMD_STATUS status; |
92b96797 | 1644 | |
aceaf018 | 1645 | pContext = s_vGetFreeContext(pDevice); |
92b96797 FB |
1646 | if (NULL == pContext) { |
1647 | status = CMD_STATUS_RESOURCES; | |
1648 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ManagementSend TX...NO CONTEXT!\n"); | |
1649 | return status ; | |
1650 | } | |
01f865ba MP |
1651 | |
1652 | pTX_Buffer = (struct vnt_beacon_buffer *)&pContext->Data[0]; | |
c7c57b24 | 1653 | short_head = &pTX_Buffer->short_head; |
92b96797 FB |
1654 | |
1655 | cbFrameBodySize = pPacket->cbPayloadLen; | |
1656 | ||
c7c57b24 | 1657 | cbHeaderSize = sizeof(struct vnt_tx_short_buf_head); |
92b96797 | 1658 | |
c7c57b24 MP |
1659 | if (pDevice->byBBType == BB_TYPE_11A) { |
1660 | wCurrentRate = RATE_6M; | |
1661 | ||
1662 | /* Get SignalField,ServiceField,Length */ | |
1663 | BBvCalculateParameter(pDevice, cbFrameSize, wCurrentRate, | |
1664 | PK_TYPE_11A, &short_head->ab); | |
1665 | ||
1666 | /* Get Duration and TimeStampOff */ | |
1667 | short_head->duration = s_uGetDataDuration(pDevice, | |
1668 | PK_TYPE_11A, false); | |
1669 | short_head->time_stamp_off = | |
1670 | vnt_time_stamp_off(pDevice, wCurrentRate); | |
1671 | } else { | |
1672 | wCurrentRate = RATE_1M; | |
1673 | short_head->fifo_ctl |= FIFOCTL_11B; | |
1674 | ||
1675 | /* Get SignalField,ServiceField,Length */ | |
1676 | BBvCalculateParameter(pDevice, cbFrameSize, wCurrentRate, | |
1677 | PK_TYPE_11B, &short_head->ab); | |
1678 | ||
1679 | /* Get Duration and TimeStampOff */ | |
1680 | short_head->duration = s_uGetDataDuration(pDevice, | |
6b5ad9d2 | 1681 | PK_TYPE_11B, false); |
c7c57b24 MP |
1682 | short_head->time_stamp_off = |
1683 | vnt_time_stamp_off(pDevice, wCurrentRate); | |
1684 | } | |
1685 | ||
92b96797 | 1686 | |
0b71fe36 MP |
1687 | /* Generate Beacon Header */ |
1688 | pMACHeader = &pTX_Buffer->hdr; | |
92b96797 | 1689 | |
0b71fe36 MP |
1690 | memcpy(pMACHeader, pPacket->p80211Header, pPacket->cbMPDULen); |
1691 | ||
1692 | pMACHeader->duration_id = 0; | |
1693 | pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4); | |
1694 | pDevice->wSeqCounter++; | |
1695 | if (pDevice->wSeqCounter > 0x0fff) | |
1696 | pDevice->wSeqCounter = 0; | |
92b96797 FB |
1697 | |
1698 | cbReqCount = cbHeaderSize + WLAN_HDR_ADDR3_LEN + cbFrameBodySize; | |
1699 | ||
3eaca0d2 | 1700 | pTX_Buffer->wTxByteCount = (u16)cbReqCount; |
b902fbfe | 1701 | pTX_Buffer->byPKTNO = (u8) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); |
92b96797 FB |
1702 | pTX_Buffer->byType = 0x01; |
1703 | ||
1704 | pContext->pPacket = NULL; | |
1450ba62 | 1705 | pContext->type = CONTEXT_MGMT_PACKET; |
3eaca0d2 | 1706 | pContext->uBufLen = (u16)cbReqCount + 4; //USB header |
92b96797 FB |
1707 | |
1708 | PIPEnsSendBulkOut(pDevice,pContext); | |
1709 | return CMD_STATUS_PENDING; | |
1710 | ||
1711 | } | |
1712 | ||
d56131de MP |
1713 | void vDMA0_tx_80211(struct vnt_private *pDevice, struct sk_buff *skb) |
1714 | { | |
1715 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; | |
f39c0d8e | 1716 | struct vnt_tx_buffer *pTX_Buffer; |
d66caada | 1717 | struct vnt_tx_fifo_head *pTxBufHead; |
d56131de MP |
1718 | u8 byPktType; |
1719 | u8 *pbyTxBufferAddr; | |
d56131de | 1720 | u32 uDuration, cbReqCount; |
1cac4a4b | 1721 | struct ieee80211_hdr *pMACHeader; |
d56131de | 1722 | u32 cbHeaderSize, cbFrameBodySize; |
e269fc2d | 1723 | int bNeedACK, bIsPSPOLL = false; |
d56131de MP |
1724 | u32 cbFrameSize; |
1725 | u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbFCSlen = 4; | |
1726 | u32 uPadding = 0; | |
1727 | u32 cbMICHDR = 0, uLength = 0; | |
1728 | u32 dwMICKey0, dwMICKey1; | |
1729 | u32 dwMIC_Priority; | |
1730 | u32 *pdwMIC_L, *pdwMIC_R; | |
1731 | u16 wTxBufSize; | |
1732 | u32 cbMacHdLen; | |
ceb8c5da | 1733 | struct ethhdr sEthHeader; |
f0e0d505 | 1734 | struct vnt_mic_hdr *pMICHDR; |
d56131de MP |
1735 | u32 wCurrentRate = RATE_1M; |
1736 | PUWLAN_80211HDR p80211Header; | |
1737 | u32 uNodeIndex = 0; | |
e269fc2d | 1738 | int bNodeExist = false; |
d56131de MP |
1739 | SKeyItem STempKey; |
1740 | PSKeyItem pTransmitKey = NULL; | |
1741 | u8 *pbyIVHead, *pbyPayloadHead, *pbyMacHdr; | |
1742 | u32 cbExtSuppRate = 0; | |
dcdf1d03 | 1743 | struct vnt_usb_send_context *pContext; |
92b96797 | 1744 | |
c545e6a6 | 1745 | pMICHDR = NULL; |
92b96797 FB |
1746 | |
1747 | if(skb->len <= WLAN_HDR_ADDR3_LEN) { | |
1748 | cbFrameBodySize = 0; | |
1749 | } | |
1750 | else { | |
1751 | cbFrameBodySize = skb->len - WLAN_HDR_ADDR3_LEN; | |
1752 | } | |
1753 | p80211Header = (PUWLAN_80211HDR)skb->data; | |
1754 | ||
aceaf018 | 1755 | pContext = s_vGetFreeContext(pDevice); |
92b96797 FB |
1756 | |
1757 | if (NULL == pContext) { | |
1758 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"DMA0 TX...NO CONTEXT!\n"); | |
1759 | dev_kfree_skb_irq(skb); | |
1760 | return ; | |
1761 | } | |
1762 | ||
f39c0d8e | 1763 | pTX_Buffer = (struct vnt_tx_buffer *)&pContext->Data[0]; |
d66caada MP |
1764 | pTxBufHead = &pTX_Buffer->fifo_head; |
1765 | pbyTxBufferAddr = (u8 *)&pTxBufHead->adwTxKey[0]; | |
1766 | wTxBufSize = sizeof(struct vnt_tx_fifo_head); | |
92b96797 FB |
1767 | |
1768 | if (pDevice->byBBType == BB_TYPE_11A) { | |
1769 | wCurrentRate = RATE_6M; | |
1770 | byPktType = PK_TYPE_11A; | |
1771 | } else { | |
1772 | wCurrentRate = RATE_1M; | |
1773 | byPktType = PK_TYPE_11B; | |
1774 | } | |
1775 | ||
1776 | // SetPower will cause error power TX state for OFDM Date packet in TX buffer. | |
1777 | // 2004.11.11 Kyle -- Using OFDM power to tx MngPkt will decrease the connection capability. | |
1778 | // And cmd timer will wait data pkt TX finish before scanning so it's OK | |
1779 | // to set power here. | |
1780 | if (pMgmt->eScanState != WMAC_NO_SCANNING) { | |
1781 | RFbSetPower(pDevice, wCurrentRate, pDevice->byCurrentCh); | |
1782 | } else { | |
1783 | RFbSetPower(pDevice, wCurrentRate, pMgmt->uCurrChannel); | |
1784 | } | |
1785 | ||
1786 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"vDMA0_tx_80211: p80211Header->sA3.wFrameCtl = %x \n", p80211Header->sA3.wFrameCtl); | |
1787 | ||
1788 | //Set packet type | |
1789 | if (byPktType == PK_TYPE_11A) {//0000 0000 0000 0000 | |
1790 | pTxBufHead->wFIFOCtl = 0; | |
1791 | } | |
1792 | else if (byPktType == PK_TYPE_11B) {//0000 0001 0000 0000 | |
1793 | pTxBufHead->wFIFOCtl |= FIFOCTL_11B; | |
1794 | } | |
1795 | else if (byPktType == PK_TYPE_11GB) {//0000 0010 0000 0000 | |
1796 | pTxBufHead->wFIFOCtl |= FIFOCTL_11GB; | |
1797 | } | |
1798 | else if (byPktType == PK_TYPE_11GA) {//0000 0011 0000 0000 | |
1799 | pTxBufHead->wFIFOCtl |= FIFOCTL_11GA; | |
1800 | } | |
1801 | ||
1802 | pTxBufHead->wFIFOCtl |= FIFOCTL_TMOEN; | |
1803 | pTxBufHead->wTimeStamp = cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us); | |
1804 | ||
22040bbf | 1805 | if (is_multicast_ether_addr(p80211Header->sA3.abyAddr1)) { |
e269fc2d | 1806 | bNeedACK = false; |
92b96797 FB |
1807 | if (pDevice->bEnableHostWEP) { |
1808 | uNodeIndex = 0; | |
4e9b5e2b | 1809 | bNodeExist = true; |
9fc86028 | 1810 | } |
92b96797 FB |
1811 | } |
1812 | else { | |
1813 | if (pDevice->bEnableHostWEP) { | |
b902fbfe | 1814 | if (BSSbIsSTAInNodeDB(pDevice, (u8 *)(p80211Header->sA3.abyAddr1), &uNodeIndex)) |
4e9b5e2b | 1815 | bNodeExist = true; |
9fc86028 | 1816 | } |
4e9b5e2b | 1817 | bNeedACK = true; |
92b96797 FB |
1818 | pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; |
1819 | }; | |
1820 | ||
1821 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || | |
1822 | (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ) { | |
1823 | ||
1824 | pTxBufHead->wFIFOCtl |= FIFOCTL_LRETRY; | |
1825 | //Set Preamble type always long | |
1826 | //pDevice->byPreambleType = PREAMBLE_LONG; | |
1827 | ||
1828 | // probe-response don't retry | |
1829 | //if ((p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_MGMT_PROBE_RSP) { | |
e269fc2d | 1830 | // bNeedACK = false; |
92b96797 FB |
1831 | // pTxBufHead->wFIFOCtl &= (~FIFOCTL_NEEDACK); |
1832 | //} | |
1833 | } | |
1834 | ||
1835 | pTxBufHead->wFIFOCtl |= (FIFOCTL_GENINT | FIFOCTL_ISDMA0); | |
1836 | ||
1837 | if ((p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL) { | |
4e9b5e2b | 1838 | bIsPSPOLL = true; |
92b96797 FB |
1839 | cbMacHdLen = WLAN_HDR_ADDR2_LEN; |
1840 | } else { | |
1841 | cbMacHdLen = WLAN_HDR_ADDR3_LEN; | |
1842 | } | |
1843 | ||
a0a1f61a | 1844 | // hostapd daemon ext support rate patch |
92b96797 FB |
1845 | if (WLAN_GET_FC_FSTYPE(p80211Header->sA4.wFrameCtl) == WLAN_FSTYPE_ASSOCRESP) { |
1846 | ||
1847 | if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len != 0) { | |
1848 | cbExtSuppRate += ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len + WLAN_IEHDR_LEN; | |
1849 | } | |
1850 | ||
1851 | if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len != 0) { | |
1852 | cbExtSuppRate += ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len + WLAN_IEHDR_LEN; | |
1853 | } | |
1854 | ||
1855 | if (cbExtSuppRate >0) { | |
1856 | cbFrameBodySize = WLAN_ASSOCRESP_OFF_SUPP_RATES; | |
1857 | } | |
1858 | } | |
1859 | ||
92b96797 | 1860 | //Set FRAGCTL_MACHDCNT |
3eaca0d2 | 1861 | pTxBufHead->wFragCtl |= cpu_to_le16((u16)cbMacHdLen << 10); |
92b96797 FB |
1862 | |
1863 | // Notes: | |
1864 | // Although spec says MMPDU can be fragmented; In most case, | |
1865 | // no one will send a MMPDU under fragmentation. With RTS may occur. | |
92b96797 | 1866 | |
92b96797 FB |
1867 | if (WLAN_GET_FC_ISWEP(p80211Header->sA4.wFrameCtl) != 0) { |
1868 | if (pDevice->eEncryptionStatus == Ndis802_11Encryption1Enabled) { | |
1869 | cbIVlen = 4; | |
1870 | cbICVlen = 4; | |
1871 | pTxBufHead->wFragCtl |= FRAGCTL_LEGACY; | |
1872 | } | |
1873 | else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) { | |
1874 | cbIVlen = 8;//IV+ExtIV | |
1875 | cbMIClen = 8; | |
1876 | cbICVlen = 4; | |
1877 | pTxBufHead->wFragCtl |= FRAGCTL_TKIP; | |
1878 | //We need to get seed here for filling TxKey entry. | |
1879 | //TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr, | |
1880 | // pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, pDevice->abyPRNG); | |
1881 | } | |
1882 | else if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) { | |
1883 | cbIVlen = 8;//RSN Header | |
1884 | cbICVlen = 8;//MIC | |
5a5d6a80 | 1885 | cbMICHDR = sizeof(struct vnt_mic_hdr); |
92b96797 | 1886 | pTxBufHead->wFragCtl |= FRAGCTL_AES; |
92b96797 FB |
1887 | } |
1888 | //MAC Header should be padding 0 to DW alignment. | |
1889 | uPadding = 4 - (cbMacHdLen%4); | |
1890 | uPadding %= 4; | |
1891 | } | |
1892 | ||
1893 | cbFrameSize = cbMacHdLen + cbFrameBodySize + cbIVlen + cbMIClen + cbICVlen + cbFCSlen + cbExtSuppRate; | |
1894 | ||
1895 | //Set FIFOCTL_GrpAckPolicy | |
4e9b5e2b | 1896 | if (pDevice->bGrpAckPolicy == true) {//0000 0100 0000 0000 |
92b96797 FB |
1897 | pTxBufHead->wFIFOCtl |= FIFOCTL_GRPACK; |
1898 | } | |
1899 | //the rest of pTxBufHead->wFragCtl:FragTyp will be set later in s_vFillFragParameter() | |
1900 | ||
92b96797 | 1901 | if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet |
4f990057 | 1902 | cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + cbMICHDR + |
78363fd1 | 1903 | sizeof(struct vnt_cts); |
92b96797 FB |
1904 | |
1905 | } | |
1906 | else {//802.11a/b packet | |
976467d3 | 1907 | cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + cbMICHDR + |
558becf1 | 1908 | sizeof(struct vnt_tx_datahead_ab); |
92b96797 | 1909 | } |
ceb8c5da | 1910 | memcpy(&(sEthHeader.h_dest[0]), |
9a0e756c AM |
1911 | &(p80211Header->sA3.abyAddr1[0]), |
1912 | ETH_ALEN); | |
ceb8c5da | 1913 | memcpy(&(sEthHeader.h_source[0]), |
9a0e756c AM |
1914 | &(p80211Header->sA3.abyAddr2[0]), |
1915 | ETH_ALEN); | |
92b96797 FB |
1916 | //========================= |
1917 | // No Fragmentation | |
1918 | //========================= | |
3eaca0d2 | 1919 | pTxBufHead->wFragCtl |= (u16)FRAGCTL_NONFRAG; |
92b96797 | 1920 | |
351c7dc3 | 1921 | /* Fill FIFO,RrvTime,RTS,and CTS */ |
78363fd1 | 1922 | uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, |
fa57560c | 1923 | pTX_Buffer, &pMICHDR, cbMICHDR, |
f46142b0 | 1924 | cbFrameSize, bNeedACK, TYPE_TXDMA0, &sEthHeader, false); |
92b96797 | 1925 | |
c545e6a6 | 1926 | pMACHeader = (struct ieee80211_hdr *) (pbyTxBufferAddr + cbHeaderSize); |
92b96797 FB |
1927 | |
1928 | cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + (cbFrameBodySize + cbMIClen) + cbExtSuppRate; | |
1929 | ||
b902fbfe AM |
1930 | pbyMacHdr = (u8 *)(pbyTxBufferAddr + cbHeaderSize); |
1931 | pbyPayloadHead = (u8 *)(pbyMacHdr + cbMacHdLen + uPadding + cbIVlen); | |
1932 | pbyIVHead = (u8 *)(pbyMacHdr + cbMacHdLen + uPadding); | |
92b96797 FB |
1933 | |
1934 | // Copy the Packet into a tx Buffer | |
1935 | memcpy(pbyMacHdr, skb->data, cbMacHdLen); | |
1936 | ||
1937 | // version set to 0, patch for hostapd deamon | |
1cac4a4b | 1938 | pMACHeader->frame_control &= cpu_to_le16(0xfffc); |
92b96797 FB |
1939 | memcpy(pbyPayloadHead, (skb->data + cbMacHdLen), cbFrameBodySize); |
1940 | ||
a0a1f61a | 1941 | // replace support rate, patch for hostapd daemon( only support 11M) |
92b96797 FB |
1942 | if (WLAN_GET_FC_FSTYPE(p80211Header->sA4.wFrameCtl) == WLAN_FSTYPE_ASSOCRESP) { |
1943 | if (cbExtSuppRate != 0) { | |
1944 | if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len != 0) | |
1945 | memcpy((pbyPayloadHead + cbFrameBodySize), | |
1946 | pMgmt->abyCurrSuppRates, | |
1947 | ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len + WLAN_IEHDR_LEN | |
1948 | ); | |
1949 | if (((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len != 0) | |
1950 | memcpy((pbyPayloadHead + cbFrameBodySize) + ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrSuppRates)->len + WLAN_IEHDR_LEN, | |
1951 | pMgmt->abyCurrExtSuppRates, | |
1952 | ((PWLAN_IE_SUPP_RATES)pMgmt->abyCurrExtSuppRates)->len + WLAN_IEHDR_LEN | |
1953 | ); | |
1954 | } | |
1955 | } | |
1956 | ||
1957 | // Set wep | |
1958 | if (WLAN_GET_FC_ISWEP(p80211Header->sA4.wFrameCtl) != 0) { | |
1959 | ||
1960 | if (pDevice->bEnableHostWEP) { | |
1961 | pTransmitKey = &STempKey; | |
1962 | pTransmitKey->byCipherSuite = pMgmt->sNodeDBTable[uNodeIndex].byCipherSuite; | |
1963 | pTransmitKey->dwKeyIndex = pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex; | |
1964 | pTransmitKey->uKeyLength = pMgmt->sNodeDBTable[uNodeIndex].uWepKeyLength; | |
1965 | pTransmitKey->dwTSC47_16 = pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16; | |
1966 | pTransmitKey->wTSC15_0 = pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0; | |
1967 | memcpy(pTransmitKey->abyKey, | |
1968 | &pMgmt->sNodeDBTable[uNodeIndex].abyWepKey[0], | |
1969 | pTransmitKey->uKeyLength | |
1970 | ); | |
1971 | } | |
1972 | ||
1973 | if ((pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) { | |
1974 | ||
52a7e64b AM |
1975 | dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]); |
1976 | dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]); | |
92b96797 FB |
1977 | |
1978 | // DO Software Michael | |
1979 | MIC_vInit(dwMICKey0, dwMICKey1); | |
ceb8c5da | 1980 | MIC_vAppend((u8 *)&(sEthHeader.h_dest[0]), 12); |
92b96797 | 1981 | dwMIC_Priority = 0; |
b902fbfe | 1982 | MIC_vAppend((u8 *)&dwMIC_Priority, 4); |
b4dc03af MP |
1983 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"DMA0_tx_8021:MIC KEY:"\ |
1984 | " %X, %X\n", dwMICKey0, dwMICKey1); | |
92b96797 FB |
1985 | |
1986 | uLength = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen; | |
1987 | ||
1988 | MIC_vAppend((pbyTxBufferAddr + uLength), cbFrameBodySize); | |
1989 | ||
52a7e64b AM |
1990 | pdwMIC_L = (u32 *)(pbyTxBufferAddr + uLength + cbFrameBodySize); |
1991 | pdwMIC_R = (u32 *)(pbyTxBufferAddr + uLength + cbFrameBodySize + 4); | |
92b96797 FB |
1992 | |
1993 | MIC_vGetMIC(pdwMIC_L, pdwMIC_R); | |
1994 | MIC_vUnInit(); | |
1995 | ||
4e9b5e2b | 1996 | if (pDevice->bTxMICFail == true) { |
92b96797 FB |
1997 | *pdwMIC_L = 0; |
1998 | *pdwMIC_R = 0; | |
e269fc2d | 1999 | pDevice->bTxMICFail = false; |
92b96797 FB |
2000 | } |
2001 | ||
2002 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"uLength: %d, %d\n", uLength, cbFrameBodySize); | |
2003 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"cbReqCount:%d, %d, %d, %d\n", cbReqCount, cbHeaderSize, uPadding, cbIVlen); | |
b4dc03af MP |
2004 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC:%x, %x\n", |
2005 | *pdwMIC_L, *pdwMIC_R); | |
92b96797 FB |
2006 | |
2007 | } | |
2008 | ||
3ba0938c | 2009 | s_vFillTxKey(pDevice, pTxBufHead, pbyIVHead, pTransmitKey, |
ec37d8b6 | 2010 | pbyMacHdr, (u16)cbFrameBodySize, pMICHDR); |
92b96797 FB |
2011 | |
2012 | if (pDevice->bEnableHostWEP) { | |
2013 | pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16 = pTransmitKey->dwTSC47_16; | |
2014 | pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0 = pTransmitKey->wTSC15_0; | |
2015 | } | |
2016 | ||
2017 | if ((pDevice->byLocalID <= REV_ID_VT3253_A1)) { | |
3eaca0d2 | 2018 | s_vSWencryption(pDevice, pTransmitKey, pbyPayloadHead, (u16)(cbFrameBodySize + cbMIClen)); |
92b96797 FB |
2019 | } |
2020 | } | |
2021 | ||
1cac4a4b | 2022 | pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4); |
92b96797 FB |
2023 | pDevice->wSeqCounter++ ; |
2024 | if (pDevice->wSeqCounter > 0x0fff) | |
2025 | pDevice->wSeqCounter = 0; | |
2026 | ||
92b96797 FB |
2027 | if (bIsPSPOLL) { |
2028 | // The MAC will automatically replace the Duration-field of MAC header by Duration-field | |
2029 | // of FIFO control header. | |
2030 | // This will cause AID-field of PS-POLL packet be incorrect (Because PS-POLL's AID field is | |
2031 | // in the same place of other packet's Duration-field). | |
2032 | // And it will cause Cisco-AP to issue Disassociation-packet | |
7e60a3de | 2033 | if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { |
78363fd1 MP |
2034 | struct vnt_tx_datahead_g *data_head = &pTX_Buffer->tx_head. |
2035 | tx_cts.tx.head.cts_g.data_head; | |
4e01117c | 2036 | data_head->duration_a = |
7e60a3de | 2037 | cpu_to_le16(p80211Header->sA2.wDurationID); |
4e01117c | 2038 | data_head->duration_b = |
7e60a3de MP |
2039 | cpu_to_le16(p80211Header->sA2.wDurationID); |
2040 | } else { | |
c12dca09 MP |
2041 | struct vnt_tx_datahead_ab *data_head = &pTX_Buffer->tx_head. |
2042 | tx_ab.tx.head.data_head_ab; | |
4e01117c | 2043 | data_head->duration = |
558becf1 MP |
2044 | cpu_to_le16(p80211Header->sA2.wDurationID); |
2045 | } | |
92b96797 FB |
2046 | } |
2047 | ||
3eaca0d2 | 2048 | pTX_Buffer->wTxByteCount = cpu_to_le16((u16)(cbReqCount)); |
b902fbfe | 2049 | pTX_Buffer->byPKTNO = (u8) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); |
92b96797 FB |
2050 | pTX_Buffer->byType = 0x00; |
2051 | ||
2052 | pContext->pPacket = skb; | |
1450ba62 | 2053 | pContext->type = CONTEXT_MGMT_PACKET; |
3eaca0d2 | 2054 | pContext->uBufLen = (u16)cbReqCount + 4; //USB header |
92b96797 | 2055 | |
1cac4a4b | 2056 | if (WLAN_GET_FC_TODS(pMACHeader->frame_control) == 0) { |
d66caada MP |
2057 | s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), |
2058 | &pMACHeader->addr1[0], (u16)cbFrameSize, | |
2059 | pTxBufHead->wFIFOCtl); | |
92b96797 FB |
2060 | } |
2061 | else { | |
d66caada MP |
2062 | s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), |
2063 | &pMACHeader->addr3[0], (u16)cbFrameSize, | |
2064 | pTxBufHead->wFIFOCtl); | |
92b96797 FB |
2065 | } |
2066 | PIPEnsSendBulkOut(pDevice,pContext); | |
2067 | return ; | |
2068 | ||
2069 | } | |
2070 | ||
92b96797 FB |
2071 | //TYPE_AC0DMA data tx |
2072 | /* | |
2073 | * Description: | |
2074 | * Tx packet via AC0DMA(DMA1) | |
2075 | * | |
2076 | * Parameters: | |
2077 | * In: | |
2078 | * pDevice - Pointer to the adapter | |
2079 | * skb - Pointer to tx skb packet | |
2080 | * Out: | |
2081 | * void | |
2082 | * | |
2083 | * Return Value: NULL | |
2084 | */ | |
2085 | ||
d56131de MP |
2086 | int nsDMA_tx_packet(struct vnt_private *pDevice, |
2087 | u32 uDMAIdx, struct sk_buff *skb) | |
92b96797 | 2088 | { |
d56131de MP |
2089 | struct net_device_stats *pStats = &pDevice->stats; |
2090 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; | |
f39c0d8e | 2091 | struct vnt_tx_buffer *pTX_Buffer; |
d56131de MP |
2092 | u32 BytesToWrite = 0, uHeaderLen = 0; |
2093 | u32 uNodeIndex = 0; | |
2094 | u8 byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80}; | |
2095 | u16 wAID; | |
2096 | u8 byPktType; | |
e269fc2d | 2097 | int bNeedEncryption = false; |
d56131de MP |
2098 | PSKeyItem pTransmitKey = NULL; |
2099 | SKeyItem STempKey; | |
2100 | int ii; | |
e269fc2d AM |
2101 | int bTKIP_UseGTK = false; |
2102 | int bNeedDeAuth = false; | |
d56131de | 2103 | u8 *pbyBSSID; |
e269fc2d | 2104 | int bNodeExist = false; |
dcdf1d03 | 2105 | struct vnt_usb_send_context *pContext; |
dfdcc425 | 2106 | bool fConvertedPacket; |
d56131de MP |
2107 | u32 status; |
2108 | u16 wKeepRate = pDevice->wCurrentRate; | |
e269fc2d | 2109 | int bTxeapol_key = false; |
92b96797 | 2110 | |
92b96797 FB |
2111 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { |
2112 | ||
2113 | if (pDevice->uAssocCount == 0) { | |
2114 | dev_kfree_skb_irq(skb); | |
2115 | return 0; | |
2116 | } | |
2117 | ||
b902fbfe | 2118 | if (is_multicast_ether_addr((u8 *)(skb->data))) { |
92b96797 | 2119 | uNodeIndex = 0; |
4e9b5e2b | 2120 | bNodeExist = true; |
92b96797 FB |
2121 | if (pMgmt->sNodeDBTable[0].bPSEnable) { |
2122 | ||
2123 | skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skb); | |
2124 | pMgmt->sNodeDBTable[0].wEnQueueCnt++; | |
2125 | // set tx map | |
2126 | pMgmt->abyPSTxMap[0] |= byMask[0]; | |
2127 | return 0; | |
2128 | } | |
93184690 | 2129 | // multicast/broadcast data rate |
92b96797 FB |
2130 | |
2131 | if (pDevice->byBBType != BB_TYPE_11A) | |
2132 | pDevice->wCurrentRate = RATE_2M; | |
2133 | else | |
2134 | pDevice->wCurrentRate = RATE_24M; | |
2135 | // long preamble type | |
2136 | pDevice->byPreambleType = PREAMBLE_SHORT; | |
2137 | ||
2138 | }else { | |
2139 | ||
b902fbfe | 2140 | if (BSSbIsSTAInNodeDB(pDevice, (u8 *)(skb->data), &uNodeIndex)) { |
92b96797 FB |
2141 | |
2142 | if (pMgmt->sNodeDBTable[uNodeIndex].bPSEnable) { | |
2143 | ||
2144 | skb_queue_tail(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue, skb); | |
2145 | ||
2146 | pMgmt->sNodeDBTable[uNodeIndex].wEnQueueCnt++; | |
2147 | // set tx map | |
2148 | wAID = pMgmt->sNodeDBTable[uNodeIndex].wAID; | |
2149 | pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7]; | |
2150 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Set:pMgmt->abyPSTxMap[%d]= %d\n", | |
2151 | (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]); | |
2152 | ||
2153 | return 0; | |
2154 | } | |
2155 | // AP rate decided from node | |
2156 | pDevice->wCurrentRate = pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate; | |
2157 | // tx preamble decided from node | |
2158 | ||
2159 | if (pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble) { | |
2160 | pDevice->byPreambleType = pDevice->byShortPreamble; | |
2161 | ||
2162 | }else { | |
2163 | pDevice->byPreambleType = PREAMBLE_LONG; | |
2164 | } | |
4e9b5e2b | 2165 | bNodeExist = true; |
92b96797 FB |
2166 | } |
2167 | } | |
2168 | ||
e269fc2d | 2169 | if (bNodeExist == false) { |
92b96797 FB |
2170 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Unknown STA not found in node DB \n"); |
2171 | dev_kfree_skb_irq(skb); | |
2172 | return 0; | |
2173 | } | |
2174 | } | |
2175 | ||
aceaf018 | 2176 | pContext = s_vGetFreeContext(pDevice); |
92b96797 FB |
2177 | |
2178 | if (pContext == NULL) { | |
2179 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG" pContext == NULL\n"); | |
2180 | dev_kfree_skb_irq(skb); | |
2181 | return STATUS_RESOURCES; | |
2182 | } | |
2183 | ||
ceb8c5da | 2184 | memcpy(pDevice->sTxEthHeader.h_dest, (u8 *)(skb->data), ETH_HLEN); |
92b96797 FB |
2185 | |
2186 | //mike add:station mode check eapol-key challenge---> | |
2187 | { | |
b902fbfe AM |
2188 | u8 Protocol_Version; //802.1x Authentication |
2189 | u8 Packet_Type; //802.1x Authentication | |
2190 | u8 Descriptor_type; | |
3eaca0d2 | 2191 | u16 Key_info; |
92b96797 | 2192 | |
21ec51f3 CC |
2193 | Protocol_Version = skb->data[ETH_HLEN]; |
2194 | Packet_Type = skb->data[ETH_HLEN+1]; | |
2195 | Descriptor_type = skb->data[ETH_HLEN+1+1+2]; | |
2196 | Key_info = (skb->data[ETH_HLEN+1+1+2+1] << 8)|(skb->data[ETH_HLEN+1+1+2+2]); | |
ceb8c5da | 2197 | if (pDevice->sTxEthHeader.h_proto == cpu_to_be16(ETH_P_PAE)) { |
aa209eef MP |
2198 | /* 802.1x OR eapol-key challenge frame transfer */ |
2199 | if (((Protocol_Version == 1) || (Protocol_Version == 2)) && | |
2200 | (Packet_Type == 3)) { | |
4e9b5e2b | 2201 | bTxeapol_key = true; |
92b96797 FB |
2202 | if(!(Key_info & BIT3) && //WPA or RSN group-key challenge |
2203 | (Key_info & BIT8) && (Key_info & BIT9)) { //send 2/2 key | |
2204 | if(Descriptor_type==254) { | |
4e9b5e2b | 2205 | pDevice->fWPA_Authened = true; |
92b96797 FB |
2206 | PRINT_K("WPA "); |
2207 | } | |
2208 | else { | |
4e9b5e2b | 2209 | pDevice->fWPA_Authened = true; |
92b96797 FB |
2210 | PRINT_K("WPA2(re-keying) "); |
2211 | } | |
2212 | PRINT_K("Authentication completed!!\n"); | |
2213 | } | |
a0a1f61a | 2214 | else if((Key_info & BIT3) && (Descriptor_type==2) && //RSN pairwise-key challenge |
92b96797 | 2215 | (Key_info & BIT8) && (Key_info & BIT9)) { |
4e9b5e2b | 2216 | pDevice->fWPA_Authened = true; |
92b96797 FB |
2217 | PRINT_K("WPA2 Authentication completed!!\n"); |
2218 | } | |
2219 | } | |
2220 | } | |
2221 | } | |
2222 | //mike add:station mode check eapol-key challenge<--- | |
2223 | ||
4e9b5e2b AM |
2224 | if (pDevice->bEncryptionEnable == true) { |
2225 | bNeedEncryption = true; | |
92b96797 FB |
2226 | // get Transmit key |
2227 | do { | |
2228 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && | |
2229 | (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { | |
2230 | pbyBSSID = pDevice->abyBSSID; | |
2231 | // get pairwise key | |
e269fc2d | 2232 | if (KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, PAIRWISE_KEY, &pTransmitKey) == false) { |
92b96797 | 2233 | // get group key |
4e9b5e2b AM |
2234 | if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == true) { |
2235 | bTKIP_UseGTK = true; | |
92b96797 FB |
2236 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get GTK.\n"); |
2237 | break; | |
2238 | } | |
2239 | } else { | |
2240 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get PTK.\n"); | |
2241 | break; | |
2242 | } | |
2243 | }else if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { | |
ceb8c5da AM |
2244 | /* TO_DS = 0 and FROM_DS = 0 --> 802.11 MAC Address1 */ |
2245 | pbyBSSID = pDevice->sTxEthHeader.h_dest; | |
92b96797 FB |
2246 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"IBSS Serach Key: \n"); |
2247 | for (ii = 0; ii< 6; ii++) | |
2248 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"%x \n", *(pbyBSSID+ii)); | |
2249 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"\n"); | |
2250 | ||
2251 | // get pairwise key | |
4e9b5e2b | 2252 | if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, PAIRWISE_KEY, &pTransmitKey) == true) |
92b96797 FB |
2253 | break; |
2254 | } | |
2255 | // get group key | |
2256 | pbyBSSID = pDevice->abyBroadcastAddr; | |
e269fc2d | 2257 | if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == false) { |
92b96797 FB |
2258 | pTransmitKey = NULL; |
2259 | if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { | |
2260 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"IBSS and KEY is NULL. [%d]\n", pMgmt->eCurrMode); | |
2261 | } | |
2262 | else | |
2263 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"NOT IBSS and KEY is NULL. [%d]\n", pMgmt->eCurrMode); | |
2264 | } else { | |
4e9b5e2b | 2265 | bTKIP_UseGTK = true; |
92b96797 FB |
2266 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get GTK.\n"); |
2267 | } | |
e269fc2d | 2268 | } while(false); |
92b96797 FB |
2269 | } |
2270 | ||
2271 | if (pDevice->bEnableHostWEP) { | |
2272 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"acdma0: STA index %d\n", uNodeIndex); | |
4e9b5e2b | 2273 | if (pDevice->bEncryptionEnable == true) { |
92b96797 FB |
2274 | pTransmitKey = &STempKey; |
2275 | pTransmitKey->byCipherSuite = pMgmt->sNodeDBTable[uNodeIndex].byCipherSuite; | |
2276 | pTransmitKey->dwKeyIndex = pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex; | |
2277 | pTransmitKey->uKeyLength = pMgmt->sNodeDBTable[uNodeIndex].uWepKeyLength; | |
2278 | pTransmitKey->dwTSC47_16 = pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16; | |
2279 | pTransmitKey->wTSC15_0 = pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0; | |
2280 | memcpy(pTransmitKey->abyKey, | |
2281 | &pMgmt->sNodeDBTable[uNodeIndex].abyWepKey[0], | |
2282 | pTransmitKey->uKeyLength | |
2283 | ); | |
2284 | } | |
2285 | } | |
2286 | ||
b902fbfe | 2287 | byPktType = (u8)pDevice->byPacketType; |
92b96797 FB |
2288 | |
2289 | if (pDevice->bFixRate) { | |
2290 | if (pDevice->byBBType == BB_TYPE_11B) { | |
2291 | if (pDevice->uConnectionRate >= RATE_11M) { | |
2292 | pDevice->wCurrentRate = RATE_11M; | |
2293 | } else { | |
3eaca0d2 | 2294 | pDevice->wCurrentRate = (u16)pDevice->uConnectionRate; |
92b96797 FB |
2295 | } |
2296 | } else { | |
2297 | if ((pDevice->byBBType == BB_TYPE_11A) && | |
2298 | (pDevice->uConnectionRate <= RATE_6M)) { | |
2299 | pDevice->wCurrentRate = RATE_6M; | |
2300 | } else { | |
2301 | if (pDevice->uConnectionRate >= RATE_54M) | |
2302 | pDevice->wCurrentRate = RATE_54M; | |
2303 | else | |
3eaca0d2 | 2304 | pDevice->wCurrentRate = (u16)pDevice->uConnectionRate; |
92b96797 FB |
2305 | } |
2306 | } | |
2307 | } | |
2308 | else { | |
a0ad2776 | 2309 | if (pDevice->op_mode == NL80211_IFTYPE_ADHOC) { |
92b96797 | 2310 | // Adhoc Tx rate decided from node DB |
ceb8c5da | 2311 | if (is_multicast_ether_addr(pDevice->sTxEthHeader.h_dest)) { |
92b96797 FB |
2312 | // Multicast use highest data rate |
2313 | pDevice->wCurrentRate = pMgmt->sNodeDBTable[0].wTxDataRate; | |
2314 | // preamble type | |
2315 | pDevice->byPreambleType = pDevice->byShortPreamble; | |
2316 | } | |
2317 | else { | |
ceb8c5da | 2318 | if (BSSbIsSTAInNodeDB(pDevice, &(pDevice->sTxEthHeader.h_dest[0]), &uNodeIndex)) { |
92b96797 FB |
2319 | pDevice->wCurrentRate = pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate; |
2320 | if (pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble) { | |
2321 | pDevice->byPreambleType = pDevice->byShortPreamble; | |
2322 | ||
2323 | } | |
2324 | else { | |
2325 | pDevice->byPreambleType = PREAMBLE_LONG; | |
2326 | } | |
2327 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Found Node Index is [%d] Tx Data Rate:[%d]\n",uNodeIndex, pDevice->wCurrentRate); | |
2328 | } | |
2329 | else { | |
2330 | if (pDevice->byBBType != BB_TYPE_11A) | |
2331 | pDevice->wCurrentRate = RATE_2M; | |
2332 | else | |
2333 | pDevice->wCurrentRate = RATE_24M; // refer to vMgrCreateOwnIBSS()'s | |
2334 | // abyCurrExtSuppRates[] | |
2335 | pDevice->byPreambleType = PREAMBLE_SHORT; | |
2336 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Not Found Node use highest basic Rate.....\n"); | |
2337 | } | |
2338 | } | |
2339 | } | |
a0ad2776 | 2340 | if (pDevice->op_mode == NL80211_IFTYPE_STATION) { |
92b96797 FB |
2341 | // Infra STA rate decided from AP Node, index = 0 |
2342 | pDevice->wCurrentRate = pMgmt->sNodeDBTable[0].wTxDataRate; | |
2343 | } | |
2344 | } | |
2345 | ||
ceb8c5da | 2346 | if (pDevice->sTxEthHeader.h_proto == cpu_to_be16(ETH_P_PAE)) { |
aa209eef MP |
2347 | if (pDevice->byBBType != BB_TYPE_11A) { |
2348 | pDevice->wCurrentRate = RATE_1M; | |
2349 | pDevice->byACKRate = RATE_1M; | |
2350 | pDevice->byTopCCKBasicRate = RATE_1M; | |
2351 | pDevice->byTopOFDMBasicRate = RATE_6M; | |
2352 | } else { | |
2353 | pDevice->wCurrentRate = RATE_6M; | |
2354 | pDevice->byACKRate = RATE_6M; | |
2355 | pDevice->byTopCCKBasicRate = RATE_1M; | |
2356 | pDevice->byTopOFDMBasicRate = RATE_6M; | |
2357 | } | |
2358 | } | |
92b96797 | 2359 | |
0cbd8d98 AM |
2360 | DBG_PRT(MSG_LEVEL_DEBUG, |
2361 | KERN_INFO "dma_tx: pDevice->wCurrentRate = %d\n", | |
2362 | pDevice->wCurrentRate); | |
92b96797 FB |
2363 | |
2364 | if (wKeepRate != pDevice->wCurrentRate) { | |
0cbd8d98 | 2365 | bScheduleCommand((void *) pDevice, WLAN_CMD_SETPOWER, NULL); |
92b96797 FB |
2366 | } |
2367 | ||
2368 | if (pDevice->wCurrentRate <= RATE_11M) { | |
2369 | byPktType = PK_TYPE_11B; | |
2370 | } | |
2371 | ||
4e9b5e2b | 2372 | if (bNeedEncryption == true) { |
ceb8c5da AM |
2373 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ntohs Pkt Type=%04x\n", ntohs(pDevice->sTxEthHeader.h_proto)); |
2374 | if ((pDevice->sTxEthHeader.h_proto) == cpu_to_be16(ETH_P_PAE)) { | |
e269fc2d | 2375 | bNeedEncryption = false; |
ceb8c5da | 2376 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Pkt Type=%04x\n", (pDevice->sTxEthHeader.h_proto)); |
92b96797 FB |
2377 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { |
2378 | if (pTransmitKey == NULL) { | |
2379 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Don't Find TX KEY\n"); | |
2380 | } | |
2381 | else { | |
4e9b5e2b | 2382 | if (bTKIP_UseGTK == true) { |
92b96797 FB |
2383 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"error: KEY is GTK!!~~\n"); |
2384 | } | |
2385 | else { | |
b4dc03af MP |
2386 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%X]\n", |
2387 | pTransmitKey->dwKeyIndex); | |
4e9b5e2b | 2388 | bNeedEncryption = true; |
92b96797 FB |
2389 | } |
2390 | } | |
2391 | } | |
2392 | ||
92b96797 FB |
2393 | if (pDevice->bEnableHostWEP) { |
2394 | if ((uNodeIndex != 0) && | |
2395 | (pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex & PAIRWISE_KEY)) { | |
b4dc03af MP |
2396 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%X]\n", |
2397 | pTransmitKey->dwKeyIndex); | |
4e9b5e2b | 2398 | bNeedEncryption = true; |
92b96797 FB |
2399 | } |
2400 | } | |
2401 | } | |
2402 | else { | |
2403 | ||
92b96797 FB |
2404 | if (pTransmitKey == NULL) { |
2405 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"return no tx key\n"); | |
e269fc2d | 2406 | pContext->bBoolInUse = false; |
92b96797 FB |
2407 | dev_kfree_skb_irq(skb); |
2408 | pStats->tx_dropped++; | |
2409 | return STATUS_FAILURE; | |
2410 | } | |
92b96797 FB |
2411 | } |
2412 | } | |
2413 | ||
d0a2b8fa MP |
2414 | pTX_Buffer = (struct vnt_tx_buffer *)&pContext->Data[0]; |
2415 | ||
92b96797 | 2416 | fConvertedPacket = s_bPacketToWirelessUsb(pDevice, byPktType, |
d0a2b8fa | 2417 | pTX_Buffer, bNeedEncryption, |
92b96797 | 2418 | skb->len, uDMAIdx, &pDevice->sTxEthHeader, |
b902fbfe | 2419 | (u8 *)skb->data, pTransmitKey, uNodeIndex, |
92b96797 FB |
2420 | pDevice->wCurrentRate, |
2421 | &uHeaderLen, &BytesToWrite | |
2422 | ); | |
2423 | ||
e269fc2d AM |
2424 | if (fConvertedPacket == false) { |
2425 | pContext->bBoolInUse = false; | |
92b96797 FB |
2426 | dev_kfree_skb_irq(skb); |
2427 | return STATUS_FAILURE; | |
2428 | } | |
2429 | ||
4e9b5e2b | 2430 | if ( pDevice->bEnablePSMode == true ) { |
92b96797 | 2431 | if ( !pDevice->bPSModeTxBurst ) { |
0cbd8d98 AM |
2432 | bScheduleCommand((void *) pDevice, |
2433 | WLAN_CMD_MAC_DISPOWERSAVING, | |
2434 | NULL); | |
4e9b5e2b | 2435 | pDevice->bPSModeTxBurst = true; |
92b96797 FB |
2436 | } |
2437 | } | |
2438 | ||
b902fbfe | 2439 | pTX_Buffer->byPKTNO = (u8) (((pDevice->wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); |
3eaca0d2 | 2440 | pTX_Buffer->wTxByteCount = (u16)BytesToWrite; |
92b96797 FB |
2441 | |
2442 | pContext->pPacket = skb; | |
1450ba62 | 2443 | pContext->type = CONTEXT_DATA_PACKET; |
3eaca0d2 | 2444 | pContext->uBufLen = (u16)BytesToWrite + 4 ; //USB header |
92b96797 | 2445 | |
d66caada | 2446 | s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), |
81aec60e | 2447 | &pDevice->sTxEthHeader.h_dest[0], |
d66caada MP |
2448 | (u16)(BytesToWrite-uHeaderLen), |
2449 | pTX_Buffer->fifo_head.wFIFOCtl); | |
92b96797 FB |
2450 | |
2451 | status = PIPEnsSendBulkOut(pDevice,pContext); | |
2452 | ||
4e9b5e2b | 2453 | if (bNeedDeAuth == true) { |
3eaca0d2 | 2454 | u16 wReason = WLAN_MGMT_REASON_MIC_FAILURE; |
92b96797 | 2455 | |
b902fbfe | 2456 | bScheduleCommand((void *) pDevice, WLAN_CMD_DEAUTH, (u8 *) &wReason); |
92b96797 FB |
2457 | } |
2458 | ||
2459 | if(status!=STATUS_PENDING) { | |
e269fc2d | 2460 | pContext->bBoolInUse = false; |
92b96797 FB |
2461 | dev_kfree_skb_irq(skb); |
2462 | return STATUS_FAILURE; | |
2463 | } | |
2464 | else | |
2465 | return 0; | |
2466 | ||
2467 | } | |
2468 | ||
92b96797 FB |
2469 | /* |
2470 | * Description: | |
2471 | * Relay packet send (AC1DMA) from rx dpc. | |
2472 | * | |
2473 | * Parameters: | |
2474 | * In: | |
2475 | * pDevice - Pointer to the adapter | |
2476 | * pPacket - Pointer to rx packet | |
2477 | * cbPacketSize - rx ethernet frame size | |
2478 | * Out: | |
e269fc2d | 2479 | * TURE, false |
92b96797 | 2480 | * |
4e9b5e2b | 2481 | * Return Value: Return true if packet is copy to dma1; otherwise false |
92b96797 FB |
2482 | */ |
2483 | ||
d56131de MP |
2484 | int bRelayPacketSend(struct vnt_private *pDevice, u8 *pbySkbData, u32 uDataLen, |
2485 | u32 uNodeIndex) | |
92b96797 | 2486 | { |
d56131de | 2487 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
f39c0d8e | 2488 | struct vnt_tx_buffer *pTX_Buffer; |
d56131de MP |
2489 | u32 BytesToWrite = 0, uHeaderLen = 0; |
2490 | u8 byPktType = PK_TYPE_11B; | |
e269fc2d | 2491 | int bNeedEncryption = false; |
d56131de MP |
2492 | SKeyItem STempKey; |
2493 | PSKeyItem pTransmitKey = NULL; | |
2494 | u8 *pbyBSSID; | |
dcdf1d03 | 2495 | struct vnt_usb_send_context *pContext; |
d56131de MP |
2496 | u8 byPktTyp; |
2497 | int fConvertedPacket; | |
d56131de MP |
2498 | u32 status; |
2499 | u16 wKeepRate = pDevice->wCurrentRate; | |
92b96797 | 2500 | |
aceaf018 | 2501 | pContext = s_vGetFreeContext(pDevice); |
92b96797 FB |
2502 | |
2503 | if (NULL == pContext) { | |
e269fc2d | 2504 | return false; |
92b96797 FB |
2505 | } |
2506 | ||
ceb8c5da | 2507 | memcpy(pDevice->sTxEthHeader.h_dest, (u8 *)pbySkbData, ETH_HLEN); |
92b96797 | 2508 | |
4e9b5e2b AM |
2509 | if (pDevice->bEncryptionEnable == true) { |
2510 | bNeedEncryption = true; | |
92b96797 FB |
2511 | // get group key |
2512 | pbyBSSID = pDevice->abyBroadcastAddr; | |
e269fc2d | 2513 | if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == false) { |
92b96797 FB |
2514 | pTransmitKey = NULL; |
2515 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"KEY is NULL. [%d]\n", pMgmt->eCurrMode); | |
2516 | } else { | |
2517 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get GTK.\n"); | |
2518 | } | |
2519 | } | |
2520 | ||
2521 | if (pDevice->bEnableHostWEP) { | |
ee93e197 | 2522 | if (uNodeIndex < MAX_NODE_NUM + 1) { |
92b96797 FB |
2523 | pTransmitKey = &STempKey; |
2524 | pTransmitKey->byCipherSuite = pMgmt->sNodeDBTable[uNodeIndex].byCipherSuite; | |
2525 | pTransmitKey->dwKeyIndex = pMgmt->sNodeDBTable[uNodeIndex].dwKeyIndex; | |
2526 | pTransmitKey->uKeyLength = pMgmt->sNodeDBTable[uNodeIndex].uWepKeyLength; | |
2527 | pTransmitKey->dwTSC47_16 = pMgmt->sNodeDBTable[uNodeIndex].dwTSC47_16; | |
2528 | pTransmitKey->wTSC15_0 = pMgmt->sNodeDBTable[uNodeIndex].wTSC15_0; | |
2529 | memcpy(pTransmitKey->abyKey, | |
2530 | &pMgmt->sNodeDBTable[uNodeIndex].abyWepKey[0], | |
2531 | pTransmitKey->uKeyLength | |
2532 | ); | |
2533 | } | |
2534 | } | |
2535 | ||
2536 | if ( bNeedEncryption && (pTransmitKey == NULL) ) { | |
e269fc2d AM |
2537 | pContext->bBoolInUse = false; |
2538 | return false; | |
92b96797 FB |
2539 | } |
2540 | ||
b902fbfe | 2541 | byPktTyp = (u8)pDevice->byPacketType; |
92b96797 FB |
2542 | |
2543 | if (pDevice->bFixRate) { | |
2544 | if (pDevice->byBBType == BB_TYPE_11B) { | |
2545 | if (pDevice->uConnectionRate >= RATE_11M) { | |
2546 | pDevice->wCurrentRate = RATE_11M; | |
2547 | } else { | |
3eaca0d2 | 2548 | pDevice->wCurrentRate = (u16)pDevice->uConnectionRate; |
92b96797 FB |
2549 | } |
2550 | } else { | |
2551 | if ((pDevice->byBBType == BB_TYPE_11A) && | |
2552 | (pDevice->uConnectionRate <= RATE_6M)) { | |
2553 | pDevice->wCurrentRate = RATE_6M; | |
2554 | } else { | |
2555 | if (pDevice->uConnectionRate >= RATE_54M) | |
2556 | pDevice->wCurrentRate = RATE_54M; | |
2557 | else | |
3eaca0d2 | 2558 | pDevice->wCurrentRate = (u16)pDevice->uConnectionRate; |
92b96797 FB |
2559 | } |
2560 | } | |
2561 | } | |
2562 | else { | |
2563 | pDevice->wCurrentRate = pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate; | |
2564 | } | |
2565 | ||
92b96797 | 2566 | if (wKeepRate != pDevice->wCurrentRate) { |
0cbd8d98 | 2567 | bScheduleCommand((void *) pDevice, WLAN_CMD_SETPOWER, NULL); |
92b96797 FB |
2568 | } |
2569 | ||
2570 | if (pDevice->wCurrentRate <= RATE_11M) | |
2571 | byPktType = PK_TYPE_11B; | |
2572 | ||
abad19d0 AM |
2573 | BytesToWrite = uDataLen + ETH_FCS_LEN; |
2574 | ||
92b96797 FB |
2575 | // Convert the packet to an usb frame and copy into our buffer |
2576 | // and send the irp. | |
2577 | ||
d0a2b8fa MP |
2578 | pTX_Buffer = (struct vnt_tx_buffer *)&pContext->Data[0]; |
2579 | ||
92b96797 | 2580 | fConvertedPacket = s_bPacketToWirelessUsb(pDevice, byPktType, |
d0a2b8fa | 2581 | pTX_Buffer, bNeedEncryption, |
92b96797 FB |
2582 | uDataLen, TYPE_AC0DMA, &pDevice->sTxEthHeader, |
2583 | pbySkbData, pTransmitKey, uNodeIndex, | |
2584 | pDevice->wCurrentRate, | |
2585 | &uHeaderLen, &BytesToWrite | |
2586 | ); | |
2587 | ||
e269fc2d AM |
2588 | if (fConvertedPacket == false) { |
2589 | pContext->bBoolInUse = false; | |
2590 | return false; | |
92b96797 FB |
2591 | } |
2592 | ||
b902fbfe | 2593 | pTX_Buffer->byPKTNO = (u8) (((pDevice->wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); |
3eaca0d2 | 2594 | pTX_Buffer->wTxByteCount = (u16)BytesToWrite; |
92b96797 FB |
2595 | |
2596 | pContext->pPacket = NULL; | |
1450ba62 | 2597 | pContext->type = CONTEXT_DATA_PACKET; |
3eaca0d2 | 2598 | pContext->uBufLen = (u16)BytesToWrite + 4 ; //USB header |
92b96797 | 2599 | |
d66caada | 2600 | s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), |
81aec60e | 2601 | &pDevice->sTxEthHeader.h_dest[0], |
d66caada MP |
2602 | (u16)(BytesToWrite - uHeaderLen), |
2603 | pTX_Buffer->fifo_head.wFIFOCtl); | |
92b96797 FB |
2604 | |
2605 | status = PIPEnsSendBulkOut(pDevice,pContext); | |
2606 | ||
4e9b5e2b | 2607 | return true; |
92b96797 FB |
2608 | } |
2609 |