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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 "wctl.h" |
92b96797 | 58 | #include "rf.h" |
92b96797 | 59 | #include "datarate.h" |
92b96797 | 60 | #include "usbpipe.h" |
92b96797 | 61 | #include "iocmd.h" |
9d26d60f | 62 | |
4a499de2 | 63 | static int msglevel = MSG_LEVEL_INFO; |
92b96797 | 64 | |
3b138851 | 65 | static const u16 wTimeStampOff[2][MAX_RATE] = { |
92b96797 FB |
66 | {384, 288, 226, 209, 54, 43, 37, 31, 28, 25, 24, 23}, // Long Preamble |
67 | {384, 192, 130, 113, 54, 43, 37, 31, 28, 25, 24, 23}, // Short Preamble | |
68 | }; | |
69 | ||
3b138851 | 70 | static const u16 wFB_Opt0[2][5] = { |
92b96797 FB |
71 | {RATE_12M, RATE_18M, RATE_24M, RATE_36M, RATE_48M}, // fallback_rate0 |
72 | {RATE_12M, RATE_12M, RATE_18M, RATE_24M, RATE_36M}, // fallback_rate1 | |
73 | }; | |
3b138851 | 74 | static const u16 wFB_Opt1[2][5] = { |
92b96797 FB |
75 | {RATE_12M, RATE_18M, RATE_24M, RATE_24M, RATE_36M}, // fallback_rate0 |
76 | {RATE_6M , RATE_6M, RATE_12M, RATE_12M, RATE_18M}, // fallback_rate1 | |
77 | }; | |
78 | ||
92b96797 FB |
79 | #define RTSDUR_BB 0 |
80 | #define RTSDUR_BA 1 | |
81 | #define RTSDUR_AA 2 | |
82 | #define CTSDUR_BA 3 | |
83 | #define RTSDUR_BA_F0 4 | |
84 | #define RTSDUR_AA_F0 5 | |
85 | #define RTSDUR_BA_F1 6 | |
86 | #define RTSDUR_AA_F1 7 | |
87 | #define CTSDUR_BA_F0 8 | |
88 | #define CTSDUR_BA_F1 9 | |
89 | #define DATADUR_B 10 | |
90 | #define DATADUR_A 11 | |
91 | #define DATADUR_A_F0 12 | |
92 | #define DATADUR_A_F1 13 | |
93 | ||
d56131de MP |
94 | static void s_vSaveTxPktInfo(struct vnt_private *pDevice, u8 byPktNum, |
95 | u8 *pbyDestAddr, u16 wPktLength, u16 wFIFOCtl); | |
96 | ||
b89f3b94 | 97 | static struct vnt_usb_send_context *s_vGetFreeContext(struct vnt_private *); |
d56131de | 98 | |
0a0f4b69 | 99 | static u16 s_vGenerateTxParameter(struct vnt_private *pDevice, |
8e344c88 | 100 | u8 byPktType, u16 wCurrentRate, struct vnt_tx_buffer *tx_buffer, |
fa57560c | 101 | struct vnt_mic_hdr **mic_hdr, u32 need_mic, u32 cbFrameSize, |
05cc617b | 102 | int bNeedACK, struct ethhdr *psEthHeader, bool need_rts); |
d56131de | 103 | |
d56131de | 104 | static void s_vGenerateMACHeader(struct vnt_private *pDevice, |
ceb8c5da | 105 | u8 *pbyBufferAddr, u16 wDuration, struct ethhdr *psEthHeader, |
05cc617b | 106 | int bNeedEncrypt, u16 wFragType, u32 uFragIdx); |
d56131de | 107 | |
3ba0938c MP |
108 | static void s_vFillTxKey(struct vnt_private *pDevice, |
109 | struct vnt_tx_fifo_head *fifo_head, u8 *pbyIVHead, | |
110 | PSKeyItem pTransmitKey, u8 *pbyHdrBuf, u16 wPayloadLen, | |
ec37d8b6 | 111 | struct vnt_mic_hdr *mic_hdr); |
d56131de MP |
112 | |
113 | static void s_vSWencryption(struct vnt_private *pDevice, | |
114 | PSKeyItem pTransmitKey, u8 *pbyPayloadHead, u16 wPayloadSize); | |
115 | ||
116 | static unsigned int s_uGetTxRsvTime(struct vnt_private *pDevice, u8 byPktType, | |
117 | u32 cbFrameLength, u16 wRate, int bNeedAck); | |
118 | ||
20338015 | 119 | static __le16 s_uGetRTSCTSRsvTime(struct vnt_private *priv, |
3b6cee7b | 120 | u8 rsv_type, u8 pkt_type, u32 frame_length, u16 current_rate); |
d56131de | 121 | |
05cc617b | 122 | static u16 s_vFillCTSHead(struct vnt_private *pDevice, |
5fb8e412 MP |
123 | u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength, |
124 | int bNeedAck, u16 wCurrentRate, u8 byFBOption); | |
d56131de | 125 | |
0a0f4b69 | 126 | static u16 s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType, |
5fb8e412 | 127 | union vnt_tx_data_head *head, u32 cbFrameLength, int bNeedAck, |
ceb8c5da | 128 | struct ethhdr *psEthHeader, u16 wCurrentRate, u8 byFBOption); |
d56131de | 129 | |
5abe3d63 | 130 | static __le16 s_uGetDataDuration(struct vnt_private *pDevice, |
3ed210ef | 131 | u8 byPktType, int bNeedAck); |
d56131de | 132 | |
7f591a11 | 133 | static __le16 s_uGetRTSCTSDuration(struct vnt_private *pDevice, |
d56131de MP |
134 | u8 byDurType, u32 cbFrameLength, u8 byPktType, u16 wRate, |
135 | int bNeedAck, u8 byFBOption); | |
92b96797 | 136 | |
aceaf018 | 137 | static struct vnt_usb_send_context |
b89f3b94 | 138 | *s_vGetFreeContext(struct vnt_private *priv) |
92b96797 | 139 | { |
b89f3b94 | 140 | struct vnt_usb_send_context *context = NULL; |
d56131de | 141 | int ii; |
92b96797 | 142 | |
b89f3b94 MP |
143 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GetFreeContext()\n"); |
144 | ||
145 | for (ii = 0; ii < priv->cbTD; ii++) { | |
146 | if (!priv->apTD[ii]) | |
147 | return NULL; | |
148 | ||
149 | context = priv->apTD[ii]; | |
30a05b39 MP |
150 | if (context->in_use == false) { |
151 | context->in_use = true; | |
152 | memset(context->data, 0, | |
b89f3b94 MP |
153 | MAX_TOTAL_SIZE_WITH_ALL_HEADERS); |
154 | return context; | |
155 | } | |
156 | } | |
157 | ||
158 | if (ii == priv->cbTD) | |
159 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No Free Tx Context\n"); | |
aceaf018 | 160 | |
5c851383 | 161 | return NULL; |
92b96797 FB |
162 | } |
163 | ||
d56131de MP |
164 | static void s_vSaveTxPktInfo(struct vnt_private *pDevice, u8 byPktNum, |
165 | u8 *pbyDestAddr, u16 wPktLength, u16 wFIFOCtl) | |
92b96797 | 166 | { |
ae27b142 | 167 | struct net_device_stats *stats = &pDevice->stats; |
51934e7f MP |
168 | struct vnt_tx_pkt_info *pkt_info = pDevice->pkt_info; |
169 | ||
170 | pkt_info[byPktNum].fifo_ctl = wFIFOCtl; | |
171 | memcpy(pkt_info[byPktNum].dest_addr, pbyDestAddr, ETH_ALEN); | |
ae27b142 MP |
172 | |
173 | stats->tx_bytes += wPktLength; | |
92b96797 FB |
174 | } |
175 | ||
3ba0938c MP |
176 | static void s_vFillTxKey(struct vnt_private *pDevice, |
177 | struct vnt_tx_fifo_head *fifo_head, u8 *pbyIVHead, | |
178 | PSKeyItem pTransmitKey, u8 *pbyHdrBuf, u16 wPayloadLen, | |
179 | struct vnt_mic_hdr *mic_hdr) | |
92b96797 | 180 | { |
3ba0938c | 181 | u8 *pbyBuf = (u8 *)&fifo_head->adwTxKey[0]; |
fb453db9 | 182 | __le32 *pdwIV = (__le32 *)pbyIVHead; |
2fbb230c | 183 | __le32 *pdwExtIV = (__le32 *)((u8 *)pbyIVHead + 4); |
1cac4a4b | 184 | struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *)pbyHdrBuf; |
fbfaccff | 185 | __le32 rev_iv_counter; |
92b96797 | 186 | |
95bfb1ae MP |
187 | /* Fill TXKEY */ |
188 | if (pTransmitKey == NULL) | |
ec37d8b6 MP |
189 | return; |
190 | ||
fbfaccff | 191 | rev_iv_counter = cpu_to_le32(pDevice->dwIVCounter); |
fb453db9 | 192 | *pdwIV = cpu_to_le32(pDevice->dwIVCounter); |
95bfb1ae MP |
193 | pDevice->byKeyIndex = pTransmitKey->dwKeyIndex & 0xf; |
194 | ||
f6804f33 MP |
195 | switch (pTransmitKey->byCipherSuite) { |
196 | case KEY_CTL_WEP: | |
95bfb1ae | 197 | if (pTransmitKey->uKeyLength == WLAN_WEP232_KEYLEN) { |
fbfaccff | 198 | memcpy(pDevice->abyPRNG, (u8 *)&rev_iv_counter, 3); |
95bfb1ae MP |
199 | memcpy(pDevice->abyPRNG + 3, pTransmitKey->abyKey, |
200 | pTransmitKey->uKeyLength); | |
201 | } else { | |
fbfaccff | 202 | memcpy(pbyBuf, (u8 *)&rev_iv_counter, 3); |
95bfb1ae MP |
203 | memcpy(pbyBuf + 3, pTransmitKey->abyKey, |
204 | pTransmitKey->uKeyLength); | |
205 | if (pTransmitKey->uKeyLength == WLAN_WEP40_KEYLEN) { | |
fbfaccff | 206 | memcpy(pbyBuf+8, (u8 *)&rev_iv_counter, 3); |
5cb5bff7 | 207 | memcpy(pbyBuf+11, pTransmitKey->abyKey, |
95bfb1ae MP |
208 | pTransmitKey->uKeyLength); |
209 | } | |
210 | ||
211 | memcpy(pDevice->abyPRNG, pbyBuf, 16); | |
212 | } | |
213 | /* Append IV after Mac Header */ | |
fb453db9 MP |
214 | *pdwIV &= cpu_to_le32(WEP_IV_MASK); |
215 | *pdwIV |= cpu_to_le32((u32)pDevice->byKeyIndex << 30); | |
95bfb1ae MP |
216 | |
217 | pDevice->dwIVCounter++; | |
218 | if (pDevice->dwIVCounter > WEP_IV_MASK) | |
219 | pDevice->dwIVCounter = 0; | |
f6804f33 MP |
220 | |
221 | break; | |
222 | case KEY_CTL_TKIP: | |
95bfb1ae MP |
223 | pTransmitKey->wTSC15_0++; |
224 | if (pTransmitKey->wTSC15_0 == 0) | |
225 | pTransmitKey->dwTSC47_16++; | |
226 | ||
227 | TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr, | |
228 | pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, | |
229 | pDevice->abyPRNG); | |
230 | memcpy(pbyBuf, pDevice->abyPRNG, 16); | |
231 | ||
232 | /* Make IV */ | |
233 | memcpy(pdwIV, pDevice->abyPRNG, 3); | |
234 | ||
235 | *(pbyIVHead+3) = (u8)(((pDevice->byKeyIndex << 6) & | |
236 | 0xc0) | 0x20); | |
237 | /* Append IV&ExtIV after Mac Header */ | |
238 | *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16); | |
239 | ||
240 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO | |
241 | "vFillTxKey()---- pdwExtIV: %x\n", *pdwExtIV); | |
242 | ||
f6804f33 MP |
243 | break; |
244 | case KEY_CTL_CCMP: | |
95bfb1ae MP |
245 | pTransmitKey->wTSC15_0++; |
246 | if (pTransmitKey->wTSC15_0 == 0) | |
247 | pTransmitKey->dwTSC47_16++; | |
248 | ||
249 | memcpy(pbyBuf, pTransmitKey->abyKey, 16); | |
250 | ||
251 | /* Make IV */ | |
252 | *pdwIV = 0; | |
253 | *(pbyIVHead+3) = (u8)(((pDevice->byKeyIndex << 6) & | |
254 | 0xc0) | 0x20); | |
255 | ||
fb453db9 | 256 | *pdwIV |= cpu_to_le32((u32)(pTransmitKey->wTSC15_0)); |
95bfb1ae MP |
257 | |
258 | /* Append IV&ExtIV after Mac Header */ | |
259 | *pdwExtIV = cpu_to_le32(pTransmitKey->dwTSC47_16); | |
260 | ||
261 | if (!mic_hdr) | |
262 | return; | |
263 | ||
264 | /* MICHDR0 */ | |
265 | mic_hdr->id = 0x59; | |
266 | mic_hdr->payload_len = cpu_to_be16(wPayloadLen); | |
267 | memcpy(mic_hdr->mic_addr2, pMACHeader->addr2, ETH_ALEN); | |
268 | ||
269 | mic_hdr->tsc_47_16 = cpu_to_be32(pTransmitKey->dwTSC47_16); | |
270 | mic_hdr->tsc_15_0 = cpu_to_be16(pTransmitKey->wTSC15_0); | |
271 | ||
272 | /* MICHDR1 */ | |
078d0cfd | 273 | if (ieee80211_has_a4(pMACHeader->frame_control)) |
95bfb1ae MP |
274 | mic_hdr->hlen = cpu_to_be16(28); |
275 | else | |
276 | mic_hdr->hlen = cpu_to_be16(22); | |
277 | ||
278 | memcpy(mic_hdr->addr1, pMACHeader->addr1, ETH_ALEN); | |
279 | memcpy(mic_hdr->addr2, pMACHeader->addr2, ETH_ALEN); | |
280 | ||
281 | /* MICHDR2 */ | |
282 | memcpy(mic_hdr->addr3, pMACHeader->addr3, ETH_ALEN); | |
5d4fe757 MP |
283 | mic_hdr->frame_control = cpu_to_le16( |
284 | le16_to_cpu(pMACHeader->frame_control) & 0xc78f); | |
285 | mic_hdr->seq_ctrl = cpu_to_le16( | |
286 | le16_to_cpu(pMACHeader->seq_ctrl) & 0xf); | |
ec37d8b6 | 287 | |
078d0cfd | 288 | if (ieee80211_has_a4(pMACHeader->frame_control)) |
95bfb1ae MP |
289 | memcpy(mic_hdr->addr4, pMACHeader->addr4, ETH_ALEN); |
290 | } | |
92b96797 FB |
291 | } |
292 | ||
d56131de MP |
293 | static void s_vSWencryption(struct vnt_private *pDevice, |
294 | PSKeyItem pTransmitKey, u8 *pbyPayloadHead, u16 wPayloadSize) | |
92b96797 | 295 | { |
d56131de MP |
296 | u32 cbICVlen = 4; |
297 | u32 dwICV = 0xffffffff; | |
298 | u32 *pdwICV; | |
92b96797 FB |
299 | |
300 | if (pTransmitKey == NULL) | |
301 | return; | |
302 | ||
303 | if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { | |
304 | //======================================================================= | |
305 | // Append ICV after payload | |
929cb313 | 306 | dwICV = ether_crc_le(wPayloadSize, pbyPayloadHead); |
52a7e64b | 307 | pdwICV = (u32 *)(pbyPayloadHead + wPayloadSize); |
92b96797 FB |
308 | // finally, we must invert dwCRC to get the correct answer |
309 | *pdwICV = cpu_to_le32(~dwICV); | |
310 | // RC4 encryption | |
311 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, pTransmitKey->uKeyLength + 3); | |
312 | rc4_encrypt(&pDevice->SBox, pbyPayloadHead, pbyPayloadHead, wPayloadSize+cbICVlen); | |
313 | //======================================================================= | |
314 | } else if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) { | |
315 | //======================================================================= | |
316 | //Append ICV after payload | |
929cb313 | 317 | dwICV = ether_crc_le(wPayloadSize, pbyPayloadHead); |
52a7e64b | 318 | pdwICV = (u32 *)(pbyPayloadHead + wPayloadSize); |
92b96797 FB |
319 | // finally, we must invert dwCRC to get the correct answer |
320 | *pdwICV = cpu_to_le32(~dwICV); | |
321 | // RC4 encryption | |
322 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN); | |
323 | rc4_encrypt(&pDevice->SBox, pbyPayloadHead, pbyPayloadHead, wPayloadSize+cbICVlen); | |
324 | //======================================================================= | |
325 | } | |
326 | } | |
327 | ||
dab085b1 | 328 | static __le16 vnt_time_stamp_off(struct vnt_private *priv, u16 rate) |
f115e76a MP |
329 | { |
330 | return cpu_to_le16(wTimeStampOff[priv->byPreambleType % 2] | |
331 | [rate % MAX_RATE]); | |
332 | } | |
333 | ||
92b96797 FB |
334 | /*byPktType : PK_TYPE_11A 0 |
335 | PK_TYPE_11B 1 | |
336 | PK_TYPE_11GB 2 | |
337 | PK_TYPE_11GA 3 | |
338 | */ | |
3fd5620f MP |
339 | static u32 s_uGetTxRsvTime(struct vnt_private *priv, u8 pkt_type, |
340 | u32 frame_length, u16 rate, int need_ack) | |
92b96797 | 341 | { |
3fd5620f | 342 | u32 data_time, ack_time; |
92b96797 | 343 | |
3fd5620f MP |
344 | data_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, |
345 | frame_length, rate); | |
92b96797 | 346 | |
3fd5620f MP |
347 | if (pkt_type == PK_TYPE_11B) |
348 | ack_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, 14, | |
349 | (u16)priv->byTopCCKBasicRate); | |
350 | else | |
351 | ack_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, 14, | |
352 | (u16)priv->byTopOFDMBasicRate); | |
353 | ||
354 | if (need_ack) | |
355 | return data_time + priv->uSIFS + ack_time; | |
356 | ||
357 | return data_time; | |
92b96797 FB |
358 | } |
359 | ||
2075f654 | 360 | static __le16 vnt_rxtx_rsvtime_le16(struct vnt_private *priv, u8 pkt_type, |
9c3806d5 MP |
361 | u32 frame_length, u16 rate, int need_ack) |
362 | { | |
363 | return cpu_to_le16((u16)s_uGetTxRsvTime(priv, pkt_type, | |
364 | frame_length, rate, need_ack)); | |
365 | } | |
366 | ||
92b96797 | 367 | //byFreqType: 0=>5GHZ 1=>2.4GHZ |
20338015 | 368 | static __le16 s_uGetRTSCTSRsvTime(struct vnt_private *priv, |
3b6cee7b | 369 | u8 rsv_type, u8 pkt_type, u32 frame_length, u16 current_rate) |
92b96797 | 370 | { |
342e2e20 | 371 | u32 rrv_time, rts_time, cts_time, ack_time, data_time; |
92b96797 | 372 | |
342e2e20 | 373 | rrv_time = rts_time = cts_time = ack_time = data_time = 0; |
92b96797 | 374 | |
342e2e20 | 375 | data_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, |
3b6cee7b | 376 | frame_length, current_rate); |
342e2e20 MP |
377 | |
378 | if (rsv_type == 0) { | |
379 | rts_time = BBuGetFrameTime(priv->byPreambleType, | |
380 | pkt_type, 20, priv->byTopCCKBasicRate); | |
381 | cts_time = ack_time = BBuGetFrameTime(priv->byPreambleType, | |
382 | pkt_type, 14, priv->byTopCCKBasicRate); | |
383 | } else if (rsv_type == 1) { | |
384 | rts_time = BBuGetFrameTime(priv->byPreambleType, | |
385 | pkt_type, 20, priv->byTopCCKBasicRate); | |
386 | cts_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, | |
387 | 14, priv->byTopCCKBasicRate); | |
388 | ack_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, | |
389 | 14, priv->byTopOFDMBasicRate); | |
390 | } else if (rsv_type == 2) { | |
391 | rts_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, | |
392 | 20, priv->byTopOFDMBasicRate); | |
393 | cts_time = ack_time = BBuGetFrameTime(priv->byPreambleType, | |
394 | pkt_type, 14, priv->byTopOFDMBasicRate); | |
395 | } else if (rsv_type == 3) { | |
396 | cts_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, | |
397 | 14, priv->byTopCCKBasicRate); | |
398 | ack_time = BBuGetFrameTime(priv->byPreambleType, pkt_type, | |
399 | 14, priv->byTopOFDMBasicRate); | |
400 | ||
401 | rrv_time = cts_time + ack_time + data_time + 2 * priv->uSIFS; | |
402 | ||
20338015 | 403 | return cpu_to_le16((u16)rrv_time); |
342e2e20 MP |
404 | } |
405 | ||
406 | rrv_time = rts_time + cts_time + ack_time + data_time + 3 * priv->uSIFS; | |
92b96797 | 407 | |
342e2e20 | 408 | return cpu_to_le16((u16)rrv_time); |
92b96797 FB |
409 | } |
410 | ||
411 | //byFreqType 0: 5GHz, 1:2.4Ghz | |
5abe3d63 | 412 | static __le16 s_uGetDataDuration(struct vnt_private *pDevice, |
6b5ad9d2 | 413 | u8 byPktType, int bNeedAck) |
92b96797 | 414 | { |
0005cb00 | 415 | u32 uAckTime = 0; |
92b96797 | 416 | |
b02ccd59 | 417 | if (bNeedAck) { |
6b5ad9d2 | 418 | if (byPktType == PK_TYPE_11B) |
b02ccd59 MP |
419 | uAckTime = BBuGetFrameTime(pDevice->byPreambleType, |
420 | byPktType, 14, pDevice->byTopCCKBasicRate); | |
421 | else | |
422 | uAckTime = BBuGetFrameTime(pDevice->byPreambleType, | |
423 | byPktType, 14, pDevice->byTopOFDMBasicRate); | |
d5005955 | 424 | return cpu_to_le16((u16)(pDevice->uSIFS + uAckTime)); |
b02ccd59 | 425 | } |
92b96797 | 426 | |
92b96797 FB |
427 | return 0; |
428 | } | |
429 | ||
92b96797 | 430 | //byFreqType: 0=>5GHZ 1=>2.4GHZ |
7f591a11 | 431 | static __le16 s_uGetRTSCTSDuration(struct vnt_private *pDevice, u8 byDurType, |
d56131de MP |
432 | u32 cbFrameLength, u8 byPktType, u16 wRate, int bNeedAck, |
433 | u8 byFBOption) | |
92b96797 | 434 | { |
d56131de | 435 | u32 uCTSTime = 0, uDurTime = 0; |
92b96797 | 436 | |
ecd80240 MP |
437 | switch (byDurType) { |
438 | case RTSDUR_BB: | |
439 | case RTSDUR_BA: | |
440 | case RTSDUR_BA_F0: | |
441 | case RTSDUR_BA_F1: | |
442 | uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, | |
443 | 14, pDevice->byTopCCKBasicRate); | |
444 | uDurTime = uCTSTime + 2 * pDevice->uSIFS + | |
445 | s_uGetTxRsvTime(pDevice, byPktType, | |
446 | cbFrameLength, wRate, bNeedAck); | |
447 | break; | |
92b96797 | 448 | |
ecd80240 MP |
449 | case RTSDUR_AA: |
450 | case RTSDUR_AA_F0: | |
451 | case RTSDUR_AA_F1: | |
452 | uCTSTime = BBuGetFrameTime(pDevice->byPreambleType, byPktType, | |
453 | 14, pDevice->byTopOFDMBasicRate); | |
454 | uDurTime = uCTSTime + 2 * pDevice->uSIFS + | |
455 | s_uGetTxRsvTime(pDevice, byPktType, | |
456 | cbFrameLength, wRate, bNeedAck); | |
457 | break; | |
92b96797 | 458 | |
ecd80240 MP |
459 | case CTSDUR_BA: |
460 | case CTSDUR_BA_F0: | |
461 | case CTSDUR_BA_F1: | |
462 | uDurTime = pDevice->uSIFS + s_uGetTxRsvTime(pDevice, | |
f84cdf65 | 463 | byPktType, cbFrameLength, wRate, bNeedAck); |
ecd80240 | 464 | break; |
92b96797 | 465 | |
ecd80240 MP |
466 | default: |
467 | break; | |
468 | } | |
92b96797 | 469 | |
e34f9dbe | 470 | return cpu_to_le16((u16)uDurTime); |
92b96797 FB |
471 | } |
472 | ||
78363fd1 MP |
473 | static u16 vnt_rxtx_datahead_g(struct vnt_private *priv, u8 pkt_type, u16 rate, |
474 | struct vnt_tx_datahead_g *buf, u32 frame_len, int need_ack) | |
475 | { | |
476 | /* Get SignalField,ServiceField,Length */ | |
477 | BBvCalculateParameter(priv, frame_len, rate, pkt_type, &buf->a); | |
478 | BBvCalculateParameter(priv, frame_len, priv->byTopCCKBasicRate, | |
479 | PK_TYPE_11B, &buf->b); | |
480 | ||
481 | /* Get Duration and TimeStamp */ | |
4e01117c MP |
482 | buf->duration_a = s_uGetDataDuration(priv, pkt_type, need_ack); |
483 | buf->duration_b = s_uGetDataDuration(priv, PK_TYPE_11B, need_ack); | |
78363fd1 | 484 | |
10bb39a0 MP |
485 | buf->time_stamp_off_a = vnt_time_stamp_off(priv, rate); |
486 | buf->time_stamp_off_b = vnt_time_stamp_off(priv, | |
78363fd1 MP |
487 | priv->byTopCCKBasicRate); |
488 | ||
c4cf6dfb | 489 | return le16_to_cpu(buf->duration_a); |
78363fd1 MP |
490 | } |
491 | ||
5b852f53 MP |
492 | static u16 vnt_rxtx_datahead_g_fb(struct vnt_private *priv, u8 pkt_type, |
493 | u16 rate, struct vnt_tx_datahead_g_fb *buf, | |
494 | u32 frame_len, int need_ack) | |
495 | { | |
496 | /* Get SignalField,ServiceField,Length */ | |
497 | BBvCalculateParameter(priv, frame_len, rate, pkt_type, &buf->a); | |
498 | ||
499 | BBvCalculateParameter(priv, frame_len, priv->byTopCCKBasicRate, | |
500 | PK_TYPE_11B, &buf->b); | |
501 | ||
502 | /* Get Duration and TimeStamp */ | |
4e01117c MP |
503 | buf->duration_a = s_uGetDataDuration(priv, pkt_type, need_ack); |
504 | buf->duration_b = s_uGetDataDuration(priv, PK_TYPE_11B, need_ack); | |
5b852f53 | 505 | |
4e01117c MP |
506 | buf->duration_a_f0 = s_uGetDataDuration(priv, pkt_type, need_ack); |
507 | buf->duration_a_f1 = s_uGetDataDuration(priv, pkt_type, need_ack); | |
5b852f53 | 508 | |
10bb39a0 MP |
509 | buf->time_stamp_off_a = vnt_time_stamp_off(priv, rate); |
510 | buf->time_stamp_off_b = vnt_time_stamp_off(priv, | |
5b852f53 MP |
511 | priv->byTopCCKBasicRate); |
512 | ||
c4cf6dfb | 513 | return le16_to_cpu(buf->duration_a); |
5b852f53 MP |
514 | } |
515 | ||
bd3f51f1 MP |
516 | static u16 vnt_rxtx_datahead_a_fb(struct vnt_private *priv, u8 pkt_type, |
517 | u16 rate, struct vnt_tx_datahead_a_fb *buf, | |
518 | u32 frame_len, int need_ack) | |
519 | { | |
520 | /* Get SignalField,ServiceField,Length */ | |
521 | BBvCalculateParameter(priv, frame_len, rate, pkt_type, &buf->a); | |
522 | /* Get Duration and TimeStampOff */ | |
4e01117c | 523 | buf->duration = s_uGetDataDuration(priv, pkt_type, need_ack); |
bd3f51f1 | 524 | |
4e01117c MP |
525 | buf->duration_f0 = s_uGetDataDuration(priv, pkt_type, need_ack); |
526 | buf->duration_f1 = s_uGetDataDuration(priv, pkt_type, need_ack); | |
bd3f51f1 | 527 | |
10bb39a0 | 528 | buf->time_stamp_off = vnt_time_stamp_off(priv, rate); |
bd3f51f1 | 529 | |
c4cf6dfb | 530 | return le16_to_cpu(buf->duration); |
bd3f51f1 MP |
531 | } |
532 | ||
5634a5ab MP |
533 | static u16 vnt_rxtx_datahead_ab(struct vnt_private *priv, u8 pkt_type, |
534 | u16 rate, struct vnt_tx_datahead_ab *buf, | |
535 | u32 frame_len, int need_ack) | |
536 | { | |
537 | /* Get SignalField,ServiceField,Length */ | |
538 | BBvCalculateParameter(priv, frame_len, rate, pkt_type, &buf->ab); | |
539 | /* Get Duration and TimeStampOff */ | |
4e01117c | 540 | buf->duration = s_uGetDataDuration(priv, pkt_type, need_ack); |
5634a5ab | 541 | |
10bb39a0 | 542 | buf->time_stamp_off = vnt_time_stamp_off(priv, rate); |
5634a5ab | 543 | |
c4cf6dfb | 544 | return le16_to_cpu(buf->duration); |
5634a5ab MP |
545 | } |
546 | ||
5e67ee49 MP |
547 | static int vnt_fill_ieee80211_rts(struct vnt_private *priv, |
548 | struct ieee80211_rts *rts, struct ethhdr *eth_hdr, | |
10bb39a0 | 549 | __le16 duration) |
5e67ee49 MP |
550 | { |
551 | rts->duration = duration; | |
f4554d3b MP |
552 | rts->frame_control = |
553 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS); | |
5e67ee49 | 554 | |
a0ad2776 MP |
555 | if (priv->op_mode == NL80211_IFTYPE_ADHOC || |
556 | priv->op_mode == NL80211_IFTYPE_AP) | |
5e67ee49 MP |
557 | memcpy(rts->ra, eth_hdr->h_dest, ETH_ALEN); |
558 | else | |
559 | memcpy(rts->ra, priv->abyBSSID, ETH_ALEN); | |
560 | ||
a0ad2776 | 561 | if (priv->op_mode == NL80211_IFTYPE_AP) |
5e67ee49 MP |
562 | memcpy(rts->ta, priv->abyBSSID, ETH_ALEN); |
563 | else | |
564 | memcpy(rts->ta, eth_hdr->h_source, ETH_ALEN); | |
565 | ||
566 | return 0; | |
567 | } | |
568 | ||
0a0f4b69 | 569 | static u16 vnt_rxtx_rts_g_head(struct vnt_private *priv, |
5e67ee49 MP |
570 | struct vnt_rts_g *buf, struct ethhdr *eth_hdr, |
571 | u8 pkt_type, u32 frame_len, int need_ack, | |
572 | u16 current_rate, u8 fb_option) | |
573 | { | |
574 | u16 rts_frame_len = 20; | |
575 | ||
576 | BBvCalculateParameter(priv, rts_frame_len, priv->byTopCCKBasicRate, | |
577 | PK_TYPE_11B, &buf->b); | |
578 | BBvCalculateParameter(priv, rts_frame_len, | |
579 | priv->byTopOFDMBasicRate, pkt_type, &buf->a); | |
580 | ||
4e01117c | 581 | buf->duration_bb = s_uGetRTSCTSDuration(priv, RTSDUR_BB, frame_len, |
5e67ee49 | 582 | PK_TYPE_11B, priv->byTopCCKBasicRate, need_ack, fb_option); |
4e01117c | 583 | buf->duration_aa = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len, |
5e67ee49 | 584 | pkt_type, current_rate, need_ack, fb_option); |
4e01117c | 585 | buf->duration_ba = s_uGetRTSCTSDuration(priv, RTSDUR_BA, frame_len, |
5e67ee49 MP |
586 | pkt_type, current_rate, need_ack, fb_option); |
587 | ||
4e01117c | 588 | vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->duration_aa); |
5e67ee49 | 589 | |
78363fd1 MP |
590 | return vnt_rxtx_datahead_g(priv, pkt_type, current_rate, |
591 | &buf->data_head, frame_len, need_ack); | |
5e67ee49 MP |
592 | } |
593 | ||
0a0f4b69 | 594 | static u16 vnt_rxtx_rts_g_fb_head(struct vnt_private *priv, |
ec91713a MP |
595 | struct vnt_rts_g_fb *buf, struct ethhdr *eth_hdr, |
596 | u8 pkt_type, u32 frame_len, int need_ack, | |
597 | u16 current_rate, u8 fb_option) | |
598 | { | |
599 | u16 rts_frame_len = 20; | |
600 | ||
601 | BBvCalculateParameter(priv, rts_frame_len, priv->byTopCCKBasicRate, | |
602 | PK_TYPE_11B, &buf->b); | |
603 | BBvCalculateParameter(priv, rts_frame_len, | |
604 | priv->byTopOFDMBasicRate, pkt_type, &buf->a); | |
605 | ||
606 | ||
4e01117c | 607 | buf->duration_bb = s_uGetRTSCTSDuration(priv, RTSDUR_BB, frame_len, |
ec91713a | 608 | PK_TYPE_11B, priv->byTopCCKBasicRate, need_ack, fb_option); |
4e01117c | 609 | buf->duration_aa = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len, |
ec91713a | 610 | pkt_type, current_rate, need_ack, fb_option); |
4e01117c | 611 | buf->duration_ba = s_uGetRTSCTSDuration(priv, RTSDUR_BA, frame_len, |
ec91713a MP |
612 | pkt_type, current_rate, need_ack, fb_option); |
613 | ||
614 | ||
fadc3bdf | 615 | buf->rts_duration_ba_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_BA_F0, |
f84cdf65 | 616 | frame_len, pkt_type, priv->tx_rate_fb0, need_ack, fb_option); |
fadc3bdf | 617 | buf->rts_duration_aa_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F0, |
f84cdf65 | 618 | frame_len, pkt_type, priv->tx_rate_fb0, need_ack, fb_option); |
fadc3bdf | 619 | buf->rts_duration_ba_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_BA_F1, |
f84cdf65 | 620 | frame_len, pkt_type, priv->tx_rate_fb1, need_ack, fb_option); |
fadc3bdf | 621 | buf->rts_duration_aa_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F1, |
f84cdf65 | 622 | frame_len, pkt_type, priv->tx_rate_fb1, need_ack, fb_option); |
ec91713a | 623 | |
4e01117c | 624 | vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->duration_aa); |
ec91713a | 625 | |
5b852f53 MP |
626 | return vnt_rxtx_datahead_g_fb(priv, pkt_type, current_rate, |
627 | &buf->data_head, frame_len, need_ack); | |
ec91713a MP |
628 | } |
629 | ||
0a0f4b69 | 630 | static u16 vnt_rxtx_rts_ab_head(struct vnt_private *priv, |
1712633d MP |
631 | struct vnt_rts_ab *buf, struct ethhdr *eth_hdr, |
632 | u8 pkt_type, u32 frame_len, int need_ack, | |
633 | u16 current_rate, u8 fb_option) | |
634 | { | |
635 | u16 rts_frame_len = 20; | |
636 | ||
637 | BBvCalculateParameter(priv, rts_frame_len, | |
638 | priv->byTopOFDMBasicRate, pkt_type, &buf->ab); | |
639 | ||
4e01117c | 640 | buf->duration = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len, |
1712633d MP |
641 | pkt_type, current_rate, need_ack, fb_option); |
642 | ||
4e01117c | 643 | vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->duration); |
1712633d | 644 | |
5634a5ab MP |
645 | return vnt_rxtx_datahead_ab(priv, pkt_type, current_rate, |
646 | &buf->data_head, frame_len, need_ack); | |
1712633d MP |
647 | } |
648 | ||
0a0f4b69 | 649 | static u16 vnt_rxtx_rts_a_fb_head(struct vnt_private *priv, |
9d2578c1 MP |
650 | struct vnt_rts_a_fb *buf, struct ethhdr *eth_hdr, |
651 | u8 pkt_type, u32 frame_len, int need_ack, | |
652 | u16 current_rate, u8 fb_option) | |
653 | { | |
654 | u16 rts_frame_len = 20; | |
655 | ||
656 | BBvCalculateParameter(priv, rts_frame_len, | |
657 | priv->byTopOFDMBasicRate, pkt_type, &buf->a); | |
658 | ||
4e01117c | 659 | buf->duration = s_uGetRTSCTSDuration(priv, RTSDUR_AA, frame_len, |
9d2578c1 MP |
660 | pkt_type, current_rate, need_ack, fb_option); |
661 | ||
fadc3bdf | 662 | buf->rts_duration_f0 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F0, |
f84cdf65 | 663 | frame_len, pkt_type, priv->tx_rate_fb0, need_ack, fb_option); |
9d2578c1 | 664 | |
fadc3bdf | 665 | buf->rts_duration_f1 = s_uGetRTSCTSDuration(priv, RTSDUR_AA_F1, |
f84cdf65 | 666 | frame_len, pkt_type, priv->tx_rate_fb1, need_ack, fb_option); |
9d2578c1 | 667 | |
4e01117c | 668 | vnt_fill_ieee80211_rts(priv, &buf->data, eth_hdr, buf->duration); |
9d2578c1 | 669 | |
bd3f51f1 MP |
670 | return vnt_rxtx_datahead_a_fb(priv, pkt_type, current_rate, |
671 | &buf->data_head, frame_len, need_ack); | |
9d2578c1 MP |
672 | } |
673 | ||
0a0f4b69 | 674 | static u16 s_vFillRTSHead(struct vnt_private *pDevice, u8 byPktType, |
5fb8e412 | 675 | union vnt_tx_data_head *head, u32 cbFrameLength, int bNeedAck, |
ceb8c5da | 676 | struct ethhdr *psEthHeader, u16 wCurrentRate, u8 byFBOption) |
92b96797 | 677 | { |
92b96797 | 678 | |
13fe62ae | 679 | if (!head) |
0a0f4b69 | 680 | return 0; |
92b96797 | 681 | |
9d5829bf MP |
682 | /* Note: So far RTSHead doesn't appear in ATIM |
683 | * & Beacom DMA, so we don't need to take them | |
684 | * into account. | |
685 | * Otherwise, we need to modified codes for them. | |
686 | */ | |
0bddd303 MP |
687 | switch (byPktType) { |
688 | case PK_TYPE_11GB: | |
689 | case PK_TYPE_11GA: | |
9d5829bf | 690 | if (byFBOption == AUTO_FB_NONE) |
78363fd1 | 691 | return vnt_rxtx_rts_g_head(pDevice, &head->rts_g, |
5e67ee49 MP |
692 | psEthHeader, byPktType, cbFrameLength, |
693 | bNeedAck, wCurrentRate, byFBOption); | |
9d5829bf | 694 | else |
5b852f53 | 695 | return vnt_rxtx_rts_g_fb_head(pDevice, &head->rts_g_fb, |
ec91713a MP |
696 | psEthHeader, byPktType, cbFrameLength, |
697 | bNeedAck, wCurrentRate, byFBOption); | |
0bddd303 MP |
698 | break; |
699 | case PK_TYPE_11A: | |
2b83ebd0 | 700 | if (byFBOption) { |
bd3f51f1 | 701 | return vnt_rxtx_rts_a_fb_head(pDevice, &head->rts_a_fb, |
9d2578c1 MP |
702 | psEthHeader, byPktType, cbFrameLength, |
703 | bNeedAck, wCurrentRate, byFBOption); | |
2b83ebd0 MP |
704 | break; |
705 | } | |
0bddd303 | 706 | case PK_TYPE_11B: |
5634a5ab | 707 | return vnt_rxtx_rts_ab_head(pDevice, &head->rts_ab, |
1712633d MP |
708 | psEthHeader, byPktType, cbFrameLength, |
709 | bNeedAck, wCurrentRate, byFBOption); | |
9d5829bf | 710 | } |
0a0f4b69 MP |
711 | |
712 | return 0; | |
92b96797 FB |
713 | } |
714 | ||
05cc617b | 715 | static u16 s_vFillCTSHead(struct vnt_private *pDevice, |
5fb8e412 MP |
716 | u8 byPktType, union vnt_tx_data_head *head, u32 cbFrameLength, |
717 | int bNeedAck, u16 wCurrentRate, u8 byFBOption) | |
92b96797 | 718 | { |
d56131de | 719 | u32 uCTSFrameLen = 14; |
92b96797 | 720 | |
27df3ebf | 721 | if (!head) |
0a0f4b69 | 722 | return 0; |
92b96797 | 723 | |
c921cc8c MP |
724 | if (byFBOption != AUTO_FB_NONE) { |
725 | /* Auto Fall back */ | |
27df3ebf | 726 | struct vnt_cts_fb *pBuf = &head->cts_g_fb; |
aed387c7 MP |
727 | /* Get SignalField,ServiceField,Length */ |
728 | BBvCalculateParameter(pDevice, uCTSFrameLen, | |
729 | pDevice->byTopCCKBasicRate, PK_TYPE_11B, &pBuf->b); | |
4e01117c | 730 | pBuf->duration_ba = s_uGetRTSCTSDuration(pDevice, CTSDUR_BA, |
e34f9dbe MP |
731 | cbFrameLength, byPktType, |
732 | wCurrentRate, bNeedAck, byFBOption); | |
733 | /* Get CTSDuration_ba_f0 */ | |
7fd5747f | 734 | pBuf->cts_duration_ba_f0 = s_uGetRTSCTSDuration(pDevice, |
f84cdf65 MP |
735 | CTSDUR_BA_F0, cbFrameLength, byPktType, |
736 | pDevice->tx_rate_fb0, bNeedAck, byFBOption); | |
e34f9dbe | 737 | /* Get CTSDuration_ba_f1 */ |
7fd5747f | 738 | pBuf->cts_duration_ba_f1 = s_uGetRTSCTSDuration(pDevice, |
f84cdf65 MP |
739 | CTSDUR_BA_F1, cbFrameLength, byPktType, |
740 | pDevice->tx_rate_fb1, bNeedAck, byFBOption); | |
14840cdd | 741 | /* Get CTS Frame body */ |
4e01117c | 742 | pBuf->data.duration = pBuf->duration_ba; |
d9560ae5 MP |
743 | pBuf->data.frame_control = |
744 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); | |
745 | ||
14840cdd | 746 | memcpy(pBuf->data.ra, pDevice->abyCurrentNetAddr, ETH_ALEN); |
5b852f53 MP |
747 | |
748 | return vnt_rxtx_datahead_g_fb(pDevice, byPktType, wCurrentRate, | |
749 | &pBuf->data_head, cbFrameLength, bNeedAck); | |
c921cc8c | 750 | } else { |
27df3ebf | 751 | struct vnt_cts *pBuf = &head->cts_g; |
aed387c7 MP |
752 | /* Get SignalField,ServiceField,Length */ |
753 | BBvCalculateParameter(pDevice, uCTSFrameLen, | |
754 | pDevice->byTopCCKBasicRate, PK_TYPE_11B, &pBuf->b); | |
e34f9dbe | 755 | /* Get CTSDuration_ba */ |
4e01117c | 756 | pBuf->duration_ba = s_uGetRTSCTSDuration(pDevice, |
e34f9dbe MP |
757 | CTSDUR_BA, cbFrameLength, byPktType, |
758 | wCurrentRate, bNeedAck, byFBOption); | |
14840cdd | 759 | /*Get CTS Frame body*/ |
4e01117c | 760 | pBuf->data.duration = pBuf->duration_ba; |
d9560ae5 MP |
761 | pBuf->data.frame_control = |
762 | cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS); | |
763 | ||
14840cdd | 764 | memcpy(pBuf->data.ra, pDevice->abyCurrentNetAddr, ETH_ALEN); |
78363fd1 MP |
765 | |
766 | return vnt_rxtx_datahead_g(pDevice, byPktType, wCurrentRate, | |
767 | &pBuf->data_head, cbFrameLength, bNeedAck); | |
92b96797 | 768 | } |
0a0f4b69 MP |
769 | |
770 | return 0; | |
92b96797 FB |
771 | } |
772 | ||
92b96797 FB |
773 | /*+ |
774 | * | |
775 | * Description: | |
776 | * Generate FIFO control for MAC & Baseband controller | |
777 | * | |
778 | * Parameters: | |
779 | * In: | |
780 | * pDevice - Pointer to adpater | |
781 | * pTxDataHead - Transmit Data Buffer | |
782 | * pTxBufHead - pTxBufHead | |
783 | * pvRrvTime - pvRrvTime | |
784 | * pvRTS - RTS Buffer | |
785 | * pCTS - CTS Buffer | |
786 | * cbFrameSize - Transmit Data Length (Hdr+Payload+FCS) | |
787 | * bNeedACK - If need ACK | |
92b96797 FB |
788 | * Out: |
789 | * none | |
790 | * | |
791 | * Return Value: none | |
792 | * | |
793 | -*/ | |
cc856e61 | 794 | |
0a0f4b69 | 795 | static u16 s_vGenerateTxParameter(struct vnt_private *pDevice, |
8e344c88 | 796 | u8 byPktType, u16 wCurrentRate, struct vnt_tx_buffer *tx_buffer, |
fa57560c | 797 | struct vnt_mic_hdr **mic_hdr, u32 need_mic, u32 cbFrameSize, |
05cc617b | 798 | int bNeedACK, struct ethhdr *psEthHeader, bool need_rts) |
92b96797 | 799 | { |
8e344c88 | 800 | struct vnt_tx_fifo_head *pFifoHead = &tx_buffer->fifo_head; |
b9cc2fc0 | 801 | union vnt_tx_data_head *head = NULL; |
d56131de | 802 | u16 wFifoCtl; |
d56131de | 803 | u8 byFBOption = AUTO_FB_NONE; |
92b96797 | 804 | |
03a9cf34 | 805 | pFifoHead->current_rate = cpu_to_le16(wCurrentRate); |
92928f13 | 806 | wFifoCtl = pFifoHead->wFIFOCtl; |
92b96797 | 807 | |
92928f13 MP |
808 | if (wFifoCtl & FIFOCTL_AUTO_FB_0) |
809 | byFBOption = AUTO_FB_0; | |
810 | else if (wFifoCtl & FIFOCTL_AUTO_FB_1) | |
811 | byFBOption = AUTO_FB_1; | |
92b96797 | 812 | |
92928f13 MP |
813 | if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { |
814 | if (need_rts) { | |
815 | struct vnt_rrv_time_rts *pBuf = | |
816 | &tx_buffer->tx_head.tx_rts.rts; | |
9e38a5c1 | 817 | |
85417bf0 | 818 | pBuf->rts_rrv_time_aa = s_uGetRTSCTSRsvTime(pDevice, 2, |
92928f13 | 819 | byPktType, cbFrameSize, wCurrentRate); |
85417bf0 | 820 | pBuf->rts_rrv_time_ba = s_uGetRTSCTSRsvTime(pDevice, 1, |
92928f13 | 821 | byPktType, cbFrameSize, wCurrentRate); |
85417bf0 | 822 | pBuf->rts_rrv_time_bb = s_uGetRTSCTSRsvTime(pDevice, 0, |
cfabe4b4 | 823 | byPktType, cbFrameSize, wCurrentRate); |
b9cc2fc0 | 824 | |
5ff627ae | 825 | pBuf->rrv_time_a = vnt_rxtx_rsvtime_le16(pDevice, |
92928f13 | 826 | byPktType, cbFrameSize, wCurrentRate, bNeedACK); |
5ff627ae | 827 | pBuf->rrv_time_b = vnt_rxtx_rsvtime_le16(pDevice, |
92928f13 MP |
828 | PK_TYPE_11B, cbFrameSize, |
829 | pDevice->byTopCCKBasicRate, bNeedACK); | |
830 | ||
831 | if (need_mic) { | |
832 | *mic_hdr = &tx_buffer-> | |
833 | tx_head.tx_rts.tx.mic.hdr; | |
834 | head = &tx_buffer->tx_head.tx_rts.tx.mic.head; | |
835 | } else { | |
836 | head = &tx_buffer->tx_head.tx_rts.tx.head; | |
837 | } | |
f0e0d505 | 838 | |
92928f13 MP |
839 | /* Fill RTS */ |
840 | return s_vFillRTSHead(pDevice, byPktType, head, | |
841 | cbFrameSize, bNeedACK, psEthHeader, | |
842 | wCurrentRate, byFBOption); | |
f0e0d505 | 843 | |
92928f13 MP |
844 | } else { |
845 | struct vnt_rrv_time_cts *pBuf = &tx_buffer-> | |
846 | tx_head.tx_cts.cts; | |
847 | ||
5ff627ae | 848 | pBuf->rrv_time_a = vnt_rxtx_rsvtime_le16(pDevice, |
92928f13 | 849 | byPktType, cbFrameSize, wCurrentRate, bNeedACK); |
5ff627ae | 850 | pBuf->rrv_time_b = vnt_rxtx_rsvtime_le16(pDevice, |
92928f13 MP |
851 | PK_TYPE_11B, cbFrameSize, |
852 | pDevice->byTopCCKBasicRate, bNeedACK); | |
853 | ||
372108e7 | 854 | pBuf->cts_rrv_time_ba = s_uGetRTSCTSRsvTime(pDevice, 3, |
92928f13 MP |
855 | byPktType, cbFrameSize, wCurrentRate); |
856 | ||
857 | if (need_mic) { | |
858 | *mic_hdr = &tx_buffer-> | |
859 | tx_head.tx_cts.tx.mic.hdr; | |
860 | head = &tx_buffer->tx_head.tx_cts.tx.mic.head; | |
861 | } else { | |
862 | head = &tx_buffer->tx_head.tx_cts.tx.head; | |
863 | } | |
864 | ||
865 | /* Fill CTS */ | |
05cc617b | 866 | return s_vFillCTSHead(pDevice, byPktType, |
92928f13 MP |
867 | head, cbFrameSize, bNeedACK, wCurrentRate, |
868 | byFBOption); | |
869 | } | |
870 | } else if (byPktType == PK_TYPE_11A) { | |
b9cc2fc0 | 871 | if (need_mic) { |
92928f13 MP |
872 | *mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr; |
873 | head = &tx_buffer->tx_head.tx_ab.tx.mic.head; | |
b9cc2fc0 | 874 | } else { |
92928f13 | 875 | head = &tx_buffer->tx_head.tx_ab.tx.head; |
b9cc2fc0 | 876 | } |
f0e0d505 | 877 | |
92928f13 MP |
878 | if (need_rts) { |
879 | struct vnt_rrv_time_ab *pBuf = &tx_buffer-> | |
880 | tx_head.tx_ab.ab; | |
9e38a5c1 | 881 | |
85417bf0 | 882 | pBuf->rts_rrv_time = s_uGetRTSCTSRsvTime(pDevice, 2, |
cfabe4b4 | 883 | byPktType, cbFrameSize, wCurrentRate); |
b9cc2fc0 | 884 | |
5ff627ae | 885 | pBuf->rrv_time = vnt_rxtx_rsvtime_le16(pDevice, |
92928f13 | 886 | byPktType, cbFrameSize, wCurrentRate, bNeedACK); |
9e38a5c1 | 887 | |
92928f13 MP |
888 | /* Fill RTS */ |
889 | return s_vFillRTSHead(pDevice, byPktType, head, | |
890 | cbFrameSize, bNeedACK, psEthHeader, | |
891 | wCurrentRate, byFBOption); | |
892 | } else { | |
893 | struct vnt_rrv_time_ab *pBuf = &tx_buffer-> | |
894 | tx_head.tx_ab.ab; | |
a90186e4 | 895 | |
5ff627ae | 896 | pBuf->rrv_time = vnt_rxtx_rsvtime_le16(pDevice, |
92928f13 MP |
897 | PK_TYPE_11A, cbFrameSize, |
898 | wCurrentRate, bNeedACK); | |
c12dca09 | 899 | |
92928f13 MP |
900 | return vnt_rxtx_datahead_a_fb(pDevice, byPktType, |
901 | wCurrentRate, &head->data_head_a_fb, | |
902 | cbFrameSize, bNeedACK); | |
903 | } | |
904 | } else if (byPktType == PK_TYPE_11B) { | |
905 | if (need_mic) { | |
906 | *mic_hdr = &tx_buffer->tx_head.tx_ab.tx.mic.hdr; | |
907 | head = &tx_buffer->tx_head.tx_ab.tx.mic.head; | |
908 | } else { | |
909 | head = &tx_buffer->tx_head.tx_ab.tx.head; | |
910 | } | |
911 | ||
912 | if (need_rts) { | |
913 | struct vnt_rrv_time_ab *pBuf = &tx_buffer-> | |
914 | tx_head.tx_ab.ab; | |
9e38a5c1 | 915 | |
85417bf0 | 916 | pBuf->rts_rrv_time = s_uGetRTSCTSRsvTime(pDevice, 0, |
cfabe4b4 | 917 | byPktType, cbFrameSize, wCurrentRate); |
f0e0d505 | 918 | |
5ff627ae | 919 | pBuf->rrv_time = vnt_rxtx_rsvtime_le16(pDevice, |
92928f13 MP |
920 | PK_TYPE_11B, cbFrameSize, wCurrentRate, |
921 | bNeedACK); | |
922 | ||
923 | /* Fill RTS */ | |
924 | return s_vFillRTSHead(pDevice, byPktType, head, | |
925 | cbFrameSize, | |
351c7dc3 | 926 | bNeedACK, psEthHeader, wCurrentRate, byFBOption); |
92928f13 MP |
927 | } else { |
928 | struct vnt_rrv_time_ab *pBuf = &tx_buffer-> | |
929 | tx_head.tx_ab.ab; | |
9e38a5c1 | 930 | |
5ff627ae | 931 | pBuf->rrv_time = vnt_rxtx_rsvtime_le16(pDevice, |
92928f13 MP |
932 | PK_TYPE_11B, cbFrameSize, |
933 | wCurrentRate, bNeedACK); | |
c12dca09 | 934 | |
92928f13 MP |
935 | return vnt_rxtx_datahead_ab(pDevice, byPktType, |
936 | wCurrentRate, &head->data_head_ab, | |
937 | cbFrameSize, bNeedACK); | |
938 | } | |
939 | } | |
0a0f4b69 MP |
940 | |
941 | return 0; | |
92b96797 FB |
942 | } |
943 | /* | |
b902fbfe | 944 | u8 * pbyBuffer,//point to pTxBufHead |
3eaca0d2 | 945 | u16 wFragType,//00:Non-Frag, 01:Start, 02:Mid, 03:Last |
cc856e61 | 946 | unsigned int cbFragmentSize,//Hdr+payoad+FCS |
92b96797 FB |
947 | */ |
948 | ||
d56131de | 949 | static int s_bPacketToWirelessUsb(struct vnt_private *pDevice, u8 byPktType, |
d66caada | 950 | struct vnt_tx_buffer *tx_buffer, int bNeedEncryption, |
05cc617b | 951 | u32 uSkbPacketLen, struct ethhdr *psEthHeader, |
d0a2b8fa MP |
952 | u8 *pPacket, PSKeyItem pTransmitKey, u32 uNodeIndex, u16 wCurrentRate, |
953 | u32 *pcbHeaderLen, u32 *pcbTotalLen) | |
92b96797 | 954 | { |
d66caada | 955 | struct vnt_tx_fifo_head *pTxBufHead = &tx_buffer->fifo_head; |
d56131de | 956 | u32 cbFrameSize, cbFrameBodySize; |
d56131de MP |
957 | u32 cb802_1_H_len; |
958 | u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbMACHdLen = 0; | |
959 | u32 cbFCSlen = 4, cbMICHDR = 0; | |
f46142b0 MP |
960 | int bNeedACK; |
961 | bool bRTS = false; | |
d56131de MP |
962 | u8 *pbyType, *pbyMacHdr, *pbyIVHead, *pbyPayloadHead, *pbyTxBufferAddr; |
963 | u8 abySNAP_RFC1042[ETH_ALEN] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00}; | |
964 | u8 abySNAP_Bridgetunnel[ETH_ALEN] | |
965 | = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8}; | |
966 | u32 uDuration; | |
967 | u32 cbHeaderLength = 0, uPadding = 0; | |
5a5d6a80 | 968 | struct vnt_mic_hdr *pMICHDR; |
d56131de MP |
969 | u8 byFBOption = AUTO_FB_NONE, byFragType; |
970 | u16 wTxBufSize; | |
4235f72f | 971 | u32 dwMICKey0, dwMICKey1, dwMIC_Priority; |
d56131de | 972 | u32 *pdwMIC_L, *pdwMIC_R; |
e269fc2d | 973 | int bSoftWEP = false; |
9e38a5c1 | 974 | |
c545e6a6 | 975 | pMICHDR = NULL; |
92b96797 | 976 | |
e2efba76 | 977 | if (bNeedEncryption && pTransmitKey->pvKeyTable) { |
4e9b5e2b AM |
978 | if (((PSKeyTable)pTransmitKey->pvKeyTable)->bSoftWEP == true) |
979 | bSoftWEP = true; /* WEP 256 */ | |
e2efba76 | 980 | } |
92b96797 | 981 | |
c47b0a34 MP |
982 | /* Get pkt type */ |
983 | if (ntohs(psEthHeader->h_proto) > ETH_DATA_LEN) | |
984 | cb802_1_H_len = 8; | |
985 | else | |
986 | cb802_1_H_len = 0; | |
92b96797 | 987 | |
21ec51f3 | 988 | cbFrameBodySize = uSkbPacketLen - ETH_HLEN + cb802_1_H_len; |
92b96797 FB |
989 | |
990 | //Set packet type | |
3eaca0d2 | 991 | pTxBufHead->wFIFOCtl |= (u16)(byPktType<<8); |
92b96797 | 992 | |
a0ad2776 MP |
993 | if (pDevice->op_mode == NL80211_IFTYPE_ADHOC || |
994 | pDevice->op_mode == NL80211_IFTYPE_AP) { | |
ceb8c5da | 995 | if (is_multicast_ether_addr(psEthHeader->h_dest)) { |
e269fc2d | 996 | bNeedACK = false; |
22040bbf AM |
997 | pTxBufHead->wFIFOCtl = |
998 | pTxBufHead->wFIFOCtl & (~FIFOCTL_NEEDACK); | |
999 | } else { | |
4e9b5e2b | 1000 | bNeedACK = true; |
22040bbf AM |
1001 | pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; |
1002 | } | |
c47b0a34 MP |
1003 | } else { |
1004 | /* MSDUs in Infra mode always need ACK */ | |
1005 | bNeedACK = true; | |
1006 | pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; | |
1007 | } | |
92b96797 | 1008 | |
5846251d | 1009 | pTxBufHead->time_stamp = cpu_to_le16(DEFAULT_MSDU_LIFETIME_RES_64us); |
92b96797 | 1010 | |
92b96797 | 1011 | //Set FRAGCTL_MACHDCNT |
078d0cfd MP |
1012 | cbMACHdLen = WLAN_HDR_ADDR3_LEN; |
1013 | ||
3eaca0d2 | 1014 | pTxBufHead->wFragCtl |= (u16)(cbMACHdLen << 10); |
92b96797 FB |
1015 | |
1016 | //Set FIFOCTL_GrpAckPolicy | |
4e9b5e2b | 1017 | if (pDevice->bGrpAckPolicy == true) {//0000 0100 0000 0000 |
92b96797 FB |
1018 | pTxBufHead->wFIFOCtl |= FIFOCTL_GRPACK; |
1019 | } | |
1020 | ||
f84cdf65 MP |
1021 | /* Set Auto Fallback Ctl */ |
1022 | if (wCurrentRate >= RATE_18M) { | |
1023 | if (pDevice->byAutoFBCtrl == AUTO_FB_0) { | |
1024 | pTxBufHead->wFIFOCtl |= FIFOCTL_AUTO_FB_0; | |
1025 | ||
1026 | pDevice->tx_rate_fb0 = | |
1027 | wFB_Opt0[FB_RATE0][wCurrentRate - RATE_18M]; | |
1028 | pDevice->tx_rate_fb1 = | |
1029 | wFB_Opt0[FB_RATE1][wCurrentRate - RATE_18M]; | |
1030 | ||
1031 | byFBOption = AUTO_FB_0; | |
1032 | } else if (pDevice->byAutoFBCtrl == AUTO_FB_1) { | |
1033 | pTxBufHead->wFIFOCtl |= FIFOCTL_AUTO_FB_1; | |
1034 | pDevice->tx_rate_fb0 = | |
1035 | wFB_Opt1[FB_RATE0][wCurrentRate - RATE_18M]; | |
1036 | pDevice->tx_rate_fb1 = | |
1037 | wFB_Opt1[FB_RATE1][wCurrentRate - RATE_18M]; | |
1038 | ||
1039 | byFBOption = AUTO_FB_1; | |
1040 | } | |
1041 | } | |
92b96797 | 1042 | |
4e9b5e2b | 1043 | if (bSoftWEP != true) { |
92b96797 FB |
1044 | if ((bNeedEncryption) && (pTransmitKey != NULL)) { //WEP enabled |
1045 | if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { //WEP40 or WEP104 | |
1046 | pTxBufHead->wFragCtl |= FRAGCTL_LEGACY; | |
1047 | } | |
1048 | if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) { | |
1049 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Tx Set wFragCtl == FRAGCTL_TKIP\n"); | |
1050 | pTxBufHead->wFragCtl |= FRAGCTL_TKIP; | |
1051 | } | |
1052 | else if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) { //CCMP | |
1053 | pTxBufHead->wFragCtl |= FRAGCTL_AES; | |
1054 | } | |
1055 | } | |
1056 | } | |
1057 | ||
92b96797 FB |
1058 | if ((bNeedEncryption) && (pTransmitKey != NULL)) { |
1059 | if (pTransmitKey->byCipherSuite == KEY_CTL_WEP) { | |
1060 | cbIVlen = 4; | |
1061 | cbICVlen = 4; | |
1062 | } | |
1063 | else if (pTransmitKey->byCipherSuite == KEY_CTL_TKIP) { | |
1064 | cbIVlen = 8;//IV+ExtIV | |
1065 | cbMIClen = 8; | |
1066 | cbICVlen = 4; | |
1067 | } | |
1068 | if (pTransmitKey->byCipherSuite == KEY_CTL_CCMP) { | |
1069 | cbIVlen = 8;//RSN Header | |
1070 | cbICVlen = 8;//MIC | |
5a5d6a80 | 1071 | cbMICHDR = sizeof(struct vnt_mic_hdr); |
92b96797 | 1072 | } |
e269fc2d | 1073 | if (bSoftWEP == false) { |
92b96797 FB |
1074 | //MAC Header should be padding 0 to DW alignment. |
1075 | uPadding = 4 - (cbMACHdLen%4); | |
1076 | uPadding %= 4; | |
1077 | } | |
1078 | } | |
1079 | ||
1080 | cbFrameSize = cbMACHdLen + cbIVlen + (cbFrameBodySize + cbMIClen) + cbICVlen + cbFCSlen; | |
1081 | ||
e269fc2d AM |
1082 | if ( (bNeedACK == false) ||(cbFrameSize < pDevice->wRTSThreshold) ) { |
1083 | bRTS = false; | |
92b96797 | 1084 | } else { |
4e9b5e2b | 1085 | bRTS = true; |
92b96797 FB |
1086 | pTxBufHead->wFIFOCtl |= (FIFOCTL_RTS | FIFOCTL_LRETRY); |
1087 | } | |
1088 | ||
b902fbfe | 1089 | pbyTxBufferAddr = (u8 *) &(pTxBufHead->adwTxKey[0]); |
d66caada MP |
1090 | wTxBufSize = sizeof(struct vnt_tx_fifo_head); |
1091 | ||
92b96797 FB |
1092 | if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet |
1093 | if (byFBOption == AUTO_FB_NONE) { | |
4e9b5e2b | 1094 | if (bRTS == true) {//RTS_need |
6398a59b | 1095 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_rts) + |
78363fd1 | 1096 | cbMICHDR + sizeof(struct vnt_rts_g); |
92b96797 FB |
1097 | } |
1098 | else { //RTS_needless | |
4f990057 | 1099 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + |
78363fd1 | 1100 | cbMICHDR + sizeof(struct vnt_cts); |
92b96797 FB |
1101 | } |
1102 | } else { | |
1103 | // Auto Fall Back | |
4e9b5e2b | 1104 | if (bRTS == true) {//RTS_need |
6398a59b | 1105 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_rts) + |
5b852f53 | 1106 | cbMICHDR + sizeof(struct vnt_rts_g_fb); |
92b96797 | 1107 | } |
e269fc2d | 1108 | else if (bRTS == false) { //RTS_needless |
4f990057 | 1109 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + |
5b852f53 | 1110 | cbMICHDR + sizeof(struct vnt_cts_fb); |
92b96797 FB |
1111 | } |
1112 | } // Auto Fall Back | |
1113 | } | |
1114 | else {//802.11a/b packet | |
1115 | if (byFBOption == AUTO_FB_NONE) { | |
4e9b5e2b | 1116 | if (bRTS == true) {//RTS_need |
976467d3 | 1117 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + |
5634a5ab | 1118 | cbMICHDR + sizeof(struct vnt_rts_ab); |
92b96797 | 1119 | } |
e269fc2d | 1120 | else if (bRTS == false) { //RTS_needless, no MICHDR |
976467d3 | 1121 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + |
558becf1 | 1122 | cbMICHDR + sizeof(struct vnt_tx_datahead_ab); |
92b96797 FB |
1123 | } |
1124 | } else { | |
1125 | // Auto Fall Back | |
4e9b5e2b | 1126 | if (bRTS == true) {//RTS_need |
976467d3 | 1127 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + |
bd3f51f1 | 1128 | cbMICHDR + sizeof(struct vnt_rts_a_fb); |
92b96797 | 1129 | } |
e269fc2d | 1130 | else if (bRTS == false) { //RTS_needless |
976467d3 | 1131 | cbHeaderLength = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + |
1da4ee20 | 1132 | cbMICHDR + sizeof(struct vnt_tx_datahead_a_fb); |
92b96797 FB |
1133 | } |
1134 | } // Auto Fall Back | |
1135 | } | |
1136 | ||
b902fbfe AM |
1137 | pbyMacHdr = (u8 *)(pbyTxBufferAddr + cbHeaderLength); |
1138 | pbyIVHead = (u8 *)(pbyMacHdr + cbMACHdLen + uPadding); | |
1139 | pbyPayloadHead = (u8 *)(pbyMacHdr + cbMACHdLen + uPadding + cbIVlen); | |
92b96797 | 1140 | |
92b96797 FB |
1141 | //========================= |
1142 | // No Fragmentation | |
1143 | //========================= | |
1144 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"No Fragmentation...\n"); | |
1145 | byFragType = FRAGCTL_NONFRAG; | |
92b96797 FB |
1146 | //pTxBufHead = (PSTxBufHead) &(pTxBufHead->adwTxKey[0]); |
1147 | ||
78363fd1 MP |
1148 | /* Fill FIFO, RrvTime, RTS and CTS */ |
1149 | uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, | |
1150 | tx_buffer, &pMICHDR, cbMICHDR, | |
05cc617b | 1151 | cbFrameSize, bNeedACK, psEthHeader, bRTS); |
c12dca09 | 1152 | |
92b96797 | 1153 | // Generate TX MAC Header |
3eaca0d2 | 1154 | s_vGenerateMACHeader(pDevice, pbyMacHdr, (u16)uDuration, psEthHeader, bNeedEncryption, |
05cc617b | 1155 | byFragType, 0); |
92b96797 | 1156 | |
4e9b5e2b | 1157 | if (bNeedEncryption == true) { |
92b96797 | 1158 | //Fill TXKEY |
3ba0938c | 1159 | s_vFillTxKey(pDevice, pTxBufHead, pbyIVHead, pTransmitKey, |
ec37d8b6 | 1160 | pbyMacHdr, (u16)cbFrameBodySize, pMICHDR); |
92b96797 FB |
1161 | } |
1162 | ||
c47b0a34 MP |
1163 | /* 802.1H */ |
1164 | if (ntohs(psEthHeader->h_proto) > ETH_DATA_LEN) { | |
ceb8c5da | 1165 | if ((psEthHeader->h_proto == cpu_to_be16(ETH_P_IPX)) || |
c47b0a34 | 1166 | (psEthHeader->h_proto == cpu_to_le16(0xF380))) |
b902fbfe | 1167 | memcpy((u8 *) (pbyPayloadHead), |
c47b0a34 MP |
1168 | abySNAP_Bridgetunnel, 6); |
1169 | else | |
1170 | memcpy((u8 *) (pbyPayloadHead), &abySNAP_RFC1042[0], 6); | |
92b96797 | 1171 | |
c47b0a34 | 1172 | pbyType = (u8 *) (pbyPayloadHead + 6); |
92b96797 | 1173 | |
c47b0a34 MP |
1174 | memcpy(pbyType, &(psEthHeader->h_proto), sizeof(u16)); |
1175 | } | |
92b96797 | 1176 | |
92b96797 FB |
1177 | if (pPacket != NULL) { |
1178 | // Copy the Packet into a tx Buffer | |
3e362598 | 1179 | memcpy((pbyPayloadHead + cb802_1_H_len), |
21ec51f3 CC |
1180 | (pPacket + ETH_HLEN), |
1181 | uSkbPacketLen - ETH_HLEN | |
92b96797 FB |
1182 | ); |
1183 | ||
1184 | } else { | |
1185 | // while bRelayPacketSend psEthHeader is point to header+payload | |
b902fbfe | 1186 | memcpy((pbyPayloadHead + cb802_1_H_len), ((u8 *)psEthHeader) + ETH_HLEN, uSkbPacketLen - ETH_HLEN); |
92b96797 FB |
1187 | } |
1188 | ||
4e9b5e2b | 1189 | if ((bNeedEncryption == true) && (pTransmitKey != NULL) && (pTransmitKey->byCipherSuite == KEY_CTL_TKIP)) { |
92b96797 FB |
1190 | |
1191 | /////////////////////////////////////////////////////////////////// | |
1192 | ||
14c5ef57 MP |
1193 | if (pDevice->vnt_mgmt.eAuthenMode == WMAC_AUTH_WPANONE) { |
1194 | dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]); | |
1195 | dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]); | |
1196 | } | |
92b96797 | 1197 | else if ((pTransmitKey->dwKeyIndex & AUTHENTICATOR_KEY) != 0) { |
52a7e64b AM |
1198 | dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[16]); |
1199 | dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[20]); | |
92b96797 FB |
1200 | } |
1201 | else { | |
52a7e64b AM |
1202 | dwMICKey0 = *(u32 *)(&pTransmitKey->abyKey[24]); |
1203 | dwMICKey1 = *(u32 *)(&pTransmitKey->abyKey[28]); | |
92b96797 FB |
1204 | } |
1205 | // DO Software Michael | |
1206 | MIC_vInit(dwMICKey0, dwMICKey1); | |
ceb8c5da | 1207 | MIC_vAppend((u8 *)&(psEthHeader->h_dest[0]), 12); |
92b96797 | 1208 | dwMIC_Priority = 0; |
b902fbfe | 1209 | MIC_vAppend((u8 *)&dwMIC_Priority, 4); |
b4dc03af MP |
1210 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC KEY: %X, %X\n", |
1211 | dwMICKey0, dwMICKey1); | |
92b96797 FB |
1212 | |
1213 | /////////////////////////////////////////////////////////////////// | |
1214 | ||
1215 | //DBG_PRN_GRP12(("Length:%d, %d\n", cbFrameBodySize, uFromHDtoPLDLength)); | |
1216 | //for (ii = 0; ii < cbFrameBodySize; ii++) { | |
b902fbfe | 1217 | // DBG_PRN_GRP12(("%02x ", *((u8 *)((pbyPayloadHead + cb802_1_H_len) + ii)))); |
92b96797 FB |
1218 | //} |
1219 | //DBG_PRN_GRP12(("\n\n\n")); | |
1220 | ||
1221 | MIC_vAppend(pbyPayloadHead, cbFrameBodySize); | |
1222 | ||
52a7e64b AM |
1223 | pdwMIC_L = (u32 *)(pbyPayloadHead + cbFrameBodySize); |
1224 | pdwMIC_R = (u32 *)(pbyPayloadHead + cbFrameBodySize + 4); | |
92b96797 FB |
1225 | |
1226 | MIC_vGetMIC(pdwMIC_L, pdwMIC_R); | |
1227 | MIC_vUnInit(); | |
1228 | ||
4e9b5e2b | 1229 | if (pDevice->bTxMICFail == true) { |
92b96797 FB |
1230 | *pdwMIC_L = 0; |
1231 | *pdwMIC_R = 0; | |
e269fc2d | 1232 | pDevice->bTxMICFail = false; |
92b96797 FB |
1233 | } |
1234 | //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"uLength: %d, %d\n", uLength, cbFrameBodySize); | |
1235 | //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"cbReqCount:%d, %d, %d, %d\n", cbReqCount, cbHeaderLength, uPadding, cbIVlen); | |
1236 | //DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC:%lX, %lX\n", *pdwMIC_L, *pdwMIC_R); | |
1237 | } | |
1238 | ||
4e9b5e2b | 1239 | if (bSoftWEP == true) { |
92b96797 | 1240 | |
3eaca0d2 | 1241 | s_vSWencryption(pDevice, pTransmitKey, (pbyPayloadHead), (u16)(cbFrameBodySize + cbMIClen)); |
92b96797 | 1242 | |
4e9b5e2b AM |
1243 | } else if ( ((pDevice->eEncryptionStatus == Ndis802_11Encryption1Enabled) && (bNeedEncryption == true)) || |
1244 | ((pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) && (bNeedEncryption == true)) || | |
1245 | ((pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) && (bNeedEncryption == true)) ) { | |
92b96797 FB |
1246 | cbFrameSize -= cbICVlen; |
1247 | } | |
1248 | ||
92b96797 | 1249 | cbFrameSize -= cbFCSlen; |
92b96797 FB |
1250 | |
1251 | *pcbHeaderLen = cbHeaderLength; | |
1252 | *pcbTotalLen = cbHeaderLength + cbFrameSize ; | |
1253 | ||
92b96797 | 1254 | //Set FragCtl in TxBufferHead |
3eaca0d2 | 1255 | pTxBufHead->wFragCtl |= (u16)byFragType; |
92b96797 | 1256 | |
4e9b5e2b | 1257 | return true; |
92b96797 FB |
1258 | |
1259 | } | |
1260 | ||
92b96797 FB |
1261 | /*+ |
1262 | * | |
1263 | * Description: | |
1264 | * Translate 802.3 to 802.11 header | |
1265 | * | |
1266 | * Parameters: | |
1267 | * In: | |
a0a1f61a | 1268 | * pDevice - Pointer to adapter |
92b96797 FB |
1269 | * dwTxBufferAddr - Transmit Buffer |
1270 | * pPacket - Packet from upper layer | |
1271 | * cbPacketSize - Transmit Data Length | |
1272 | * Out: | |
1273 | * pcbHeadSize - Header size of MAC&Baseband control and 802.11 Header | |
1274 | * pcbAppendPayload - size of append payload for 802.1H translation | |
1275 | * | |
1276 | * Return Value: none | |
1277 | * | |
1278 | -*/ | |
1279 | ||
d56131de | 1280 | static void s_vGenerateMACHeader(struct vnt_private *pDevice, |
ceb8c5da | 1281 | u8 *pbyBufferAddr, u16 wDuration, struct ethhdr *psEthHeader, |
05cc617b | 1282 | int bNeedEncrypt, u16 wFragType, u32 uFragIdx) |
92b96797 | 1283 | { |
1cac4a4b | 1284 | struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *)pbyBufferAddr; |
92b96797 | 1285 | |
c921cc8c | 1286 | pMACHeader->frame_control = TYPE_802_11_DATA; |
92b96797 | 1287 | |
a0ad2776 | 1288 | if (pDevice->op_mode == NL80211_IFTYPE_AP) { |
1cac4a4b | 1289 | memcpy(&(pMACHeader->addr1[0]), |
ceb8c5da | 1290 | &(psEthHeader->h_dest[0]), |
9a0e756c | 1291 | ETH_ALEN); |
1cac4a4b AM |
1292 | memcpy(&(pMACHeader->addr2[0]), &(pDevice->abyBSSID[0]), ETH_ALEN); |
1293 | memcpy(&(pMACHeader->addr3[0]), | |
ceb8c5da | 1294 | &(psEthHeader->h_source[0]), |
9a0e756c | 1295 | ETH_ALEN); |
1cac4a4b | 1296 | pMACHeader->frame_control |= FC_FROMDS; |
9a0e756c | 1297 | } else { |
a0ad2776 | 1298 | if (pDevice->op_mode == NL80211_IFTYPE_ADHOC) { |
1cac4a4b | 1299 | memcpy(&(pMACHeader->addr1[0]), |
ceb8c5da | 1300 | &(psEthHeader->h_dest[0]), |
9a0e756c | 1301 | ETH_ALEN); |
1cac4a4b | 1302 | memcpy(&(pMACHeader->addr2[0]), |
ceb8c5da | 1303 | &(psEthHeader->h_source[0]), |
9a0e756c | 1304 | ETH_ALEN); |
1cac4a4b | 1305 | memcpy(&(pMACHeader->addr3[0]), |
9a0e756c AM |
1306 | &(pDevice->abyBSSID[0]), |
1307 | ETH_ALEN); | |
1308 | } else { | |
1cac4a4b | 1309 | memcpy(&(pMACHeader->addr3[0]), |
ceb8c5da | 1310 | &(psEthHeader->h_dest[0]), |
9a0e756c | 1311 | ETH_ALEN); |
1cac4a4b | 1312 | memcpy(&(pMACHeader->addr2[0]), |
ceb8c5da | 1313 | &(psEthHeader->h_source[0]), |
9a0e756c | 1314 | ETH_ALEN); |
1cac4a4b | 1315 | memcpy(&(pMACHeader->addr1[0]), |
9a0e756c AM |
1316 | &(pDevice->abyBSSID[0]), |
1317 | ETH_ALEN); | |
1cac4a4b | 1318 | pMACHeader->frame_control |= FC_TODS; |
92b96797 FB |
1319 | } |
1320 | } | |
1321 | ||
1322 | if (bNeedEncrypt) | |
1cac4a4b | 1323 | pMACHeader->frame_control |= cpu_to_le16((u16)WLAN_SET_FC_ISWEP(1)); |
92b96797 | 1324 | |
1cac4a4b | 1325 | pMACHeader->duration_id = cpu_to_le16(wDuration); |
92b96797 | 1326 | |
1cac4a4b | 1327 | pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4); |
92b96797 FB |
1328 | |
1329 | //Set FragNumber in Sequence Control | |
1cac4a4b | 1330 | pMACHeader->seq_ctrl |= cpu_to_le16((u16)uFragIdx); |
92b96797 FB |
1331 | |
1332 | if ((wFragType == FRAGCTL_ENDFRAG) || (wFragType == FRAGCTL_NONFRAG)) { | |
1333 | pDevice->wSeqCounter++; | |
1334 | if (pDevice->wSeqCounter > 0x0fff) | |
1335 | pDevice->wSeqCounter = 0; | |
1336 | } | |
1337 | ||
1338 | if ((wFragType == FRAGCTL_STAFRAG) || (wFragType == FRAGCTL_MIDFRAG)) { //StartFrag or MidFrag | |
1cac4a4b | 1339 | pMACHeader->frame_control |= FC_MOREFRAG; |
92b96797 FB |
1340 | } |
1341 | } | |
1342 | ||
92b96797 FB |
1343 | /*+ |
1344 | * | |
1345 | * Description: | |
1346 | * Request instructs a MAC to transmit a 802.11 management packet through | |
1347 | * the adapter onto the medium. | |
1348 | * | |
1349 | * Parameters: | |
1350 | * In: | |
1351 | * hDeviceContext - Pointer to the adapter | |
1352 | * pPacket - A pointer to a descriptor for the packet to transmit | |
1353 | * Out: | |
1354 | * none | |
1355 | * | |
e269fc2d | 1356 | * Return Value: CMD_STATUS_PENDING if MAC Tx resource available; otherwise false |
92b96797 FB |
1357 | * |
1358 | -*/ | |
1359 | ||
d56131de MP |
1360 | CMD_STATUS csMgmt_xmit(struct vnt_private *pDevice, |
1361 | struct vnt_tx_mgmt *pPacket) | |
92b96797 | 1362 | { |
d56131de | 1363 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; |
f39c0d8e | 1364 | struct vnt_tx_buffer *pTX_Buffer; |
dcdf1d03 | 1365 | struct vnt_usb_send_context *pContext; |
d66caada | 1366 | struct vnt_tx_fifo_head *pTxBufHead; |
1cac4a4b | 1367 | struct ieee80211_hdr *pMACHeader; |
ceb8c5da | 1368 | struct ethhdr sEthHeader; |
d56131de | 1369 | u8 byPktType, *pbyTxBufferAddr; |
f0e0d505 | 1370 | struct vnt_mic_hdr *pMICHDR = NULL; |
d56131de | 1371 | u32 uDuration, cbReqCount, cbHeaderSize, cbFrameBodySize, cbFrameSize; |
e269fc2d | 1372 | int bNeedACK, bIsPSPOLL = false; |
d56131de MP |
1373 | u32 cbIVlen = 0, cbICVlen = 0, cbMIClen = 0, cbFCSlen = 4; |
1374 | u32 uPadding = 0; | |
1375 | u16 wTxBufSize; | |
1376 | u32 cbMacHdLen; | |
1377 | u16 wCurrentRate = RATE_1M; | |
931cb9ff | 1378 | unsigned long flags; |
92b96797 | 1379 | |
931cb9ff MP |
1380 | if (pDevice->byBBType == BB_TYPE_11A) { |
1381 | wCurrentRate = RATE_6M; | |
1382 | byPktType = PK_TYPE_11A; | |
1383 | } else { | |
1384 | wCurrentRate = RATE_1M; | |
1385 | byPktType = PK_TYPE_11B; | |
1386 | } | |
92b96797 | 1387 | |
931cb9ff MP |
1388 | if (pMgmt->eScanState != WMAC_NO_SCANNING) |
1389 | RFbSetPower(pDevice, wCurrentRate, pDevice->byCurrentCh); | |
1390 | else | |
1391 | RFbSetPower(pDevice, wCurrentRate, pMgmt->uCurrChannel); | |
1392 | ||
1393 | pDevice->wCurrentRate = wCurrentRate; | |
1394 | ||
1395 | spin_lock_irqsave(&pDevice->lock, flags); | |
1396 | ||
1397 | pContext = s_vGetFreeContext(pDevice); | |
1398 | if (!pContext) { | |
1399 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO | |
1400 | "ManagementSend TX...NO CONTEXT!\n"); | |
1401 | spin_unlock_irqrestore(&pDevice->lock, flags); | |
1402 | return CMD_STATUS_RESOURCES; | |
1403 | } | |
92b96797 | 1404 | |
30a05b39 | 1405 | pTX_Buffer = (struct vnt_tx_buffer *)&pContext->data[0]; |
92b96797 | 1406 | cbFrameBodySize = pPacket->cbPayloadLen; |
d66caada MP |
1407 | pTxBufHead = &pTX_Buffer->fifo_head; |
1408 | pbyTxBufferAddr = (u8 *)&pTxBufHead->adwTxKey[0]; | |
1409 | wTxBufSize = sizeof(struct vnt_tx_fifo_head); | |
92b96797 | 1410 | |
92b96797 | 1411 | |
92b96797 FB |
1412 | //Set packet type |
1413 | if (byPktType == PK_TYPE_11A) {//0000 0000 0000 0000 | |
1414 | pTxBufHead->wFIFOCtl = 0; | |
1415 | } | |
1416 | else if (byPktType == PK_TYPE_11B) {//0000 0001 0000 0000 | |
1417 | pTxBufHead->wFIFOCtl |= FIFOCTL_11B; | |
1418 | } | |
1419 | else if (byPktType == PK_TYPE_11GB) {//0000 0010 0000 0000 | |
1420 | pTxBufHead->wFIFOCtl |= FIFOCTL_11GB; | |
1421 | } | |
1422 | else if (byPktType == PK_TYPE_11GA) {//0000 0011 0000 0000 | |
1423 | pTxBufHead->wFIFOCtl |= FIFOCTL_11GA; | |
1424 | } | |
1425 | ||
1426 | pTxBufHead->wFIFOCtl |= FIFOCTL_TMOEN; | |
5846251d | 1427 | pTxBufHead->time_stamp = cpu_to_le16(DEFAULT_MGN_LIFETIME_RES_64us); |
92b96797 | 1428 | |
22040bbf | 1429 | if (is_multicast_ether_addr(pPacket->p80211Header->sA3.abyAddr1)) { |
e269fc2d | 1430 | bNeedACK = false; |
92b96797 FB |
1431 | } |
1432 | else { | |
4e9b5e2b | 1433 | bNeedACK = true; |
92b96797 FB |
1434 | pTxBufHead->wFIFOCtl |= FIFOCTL_NEEDACK; |
1435 | }; | |
1436 | ||
1437 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || | |
1438 | (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) ) { | |
1439 | ||
1440 | pTxBufHead->wFIFOCtl |= FIFOCTL_LRETRY; | |
1441 | //Set Preamble type always long | |
1442 | //pDevice->byPreambleType = PREAMBLE_LONG; | |
1443 | // probe-response don't retry | |
1444 | //if ((pPacket->p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_MGMT_PROBE_RSP) { | |
e269fc2d | 1445 | // bNeedACK = false; |
92b96797 FB |
1446 | // pTxBufHead->wFIFOCtl &= (~FIFOCTL_NEEDACK); |
1447 | //} | |
1448 | } | |
1449 | ||
1450 | pTxBufHead->wFIFOCtl |= (FIFOCTL_GENINT | FIFOCTL_ISDMA0); | |
1451 | ||
1452 | if ((pPacket->p80211Header->sA4.wFrameCtl & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL) { | |
4e9b5e2b | 1453 | bIsPSPOLL = true; |
92b96797 FB |
1454 | cbMacHdLen = WLAN_HDR_ADDR2_LEN; |
1455 | } else { | |
1456 | cbMacHdLen = WLAN_HDR_ADDR3_LEN; | |
1457 | } | |
1458 | ||
1459 | //Set FRAGCTL_MACHDCNT | |
3eaca0d2 | 1460 | pTxBufHead->wFragCtl |= cpu_to_le16((u16)(cbMacHdLen << 10)); |
92b96797 FB |
1461 | |
1462 | // Notes: | |
1463 | // Although spec says MMPDU can be fragmented; In most case, | |
1464 | // no one will send a MMPDU under fragmentation. With RTS may occur. | |
92b96797 FB |
1465 | |
1466 | if (WLAN_GET_FC_ISWEP(pPacket->p80211Header->sA4.wFrameCtl) != 0) { | |
1467 | if (pDevice->eEncryptionStatus == Ndis802_11Encryption1Enabled) { | |
1468 | cbIVlen = 4; | |
1469 | cbICVlen = 4; | |
1470 | pTxBufHead->wFragCtl |= FRAGCTL_LEGACY; | |
1471 | } | |
1472 | else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) { | |
1473 | cbIVlen = 8;//IV+ExtIV | |
1474 | cbMIClen = 8; | |
1475 | cbICVlen = 4; | |
1476 | pTxBufHead->wFragCtl |= FRAGCTL_TKIP; | |
1477 | //We need to get seed here for filling TxKey entry. | |
1478 | //TKIPvMixKey(pTransmitKey->abyKey, pDevice->abyCurrentNetAddr, | |
1479 | // pTransmitKey->wTSC15_0, pTransmitKey->dwTSC47_16, pDevice->abyPRNG); | |
1480 | } | |
1481 | else if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) { | |
1482 | cbIVlen = 8;//RSN Header | |
1483 | cbICVlen = 8;//MIC | |
1484 | pTxBufHead->wFragCtl |= FRAGCTL_AES; | |
92b96797 FB |
1485 | } |
1486 | //MAC Header should be padding 0 to DW alignment. | |
1487 | uPadding = 4 - (cbMacHdLen%4); | |
1488 | uPadding %= 4; | |
1489 | } | |
1490 | ||
1491 | cbFrameSize = cbMacHdLen + cbFrameBodySize + cbIVlen + cbMIClen + cbICVlen + cbFCSlen; | |
1492 | ||
1493 | //Set FIFOCTL_GrpAckPolicy | |
4e9b5e2b | 1494 | if (pDevice->bGrpAckPolicy == true) {//0000 0100 0000 0000 |
92b96797 FB |
1495 | pTxBufHead->wFIFOCtl |= FIFOCTL_GRPACK; |
1496 | } | |
1497 | //the rest of pTxBufHead->wFragCtl:FragTyp will be set later in s_vFillFragParameter() | |
1498 | ||
1499 | //Set RrvTime/RTS/CTS Buffer | |
1500 | if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) {//802.11g packet | |
4f990057 | 1501 | cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_cts) + |
78363fd1 | 1502 | sizeof(struct vnt_cts); |
92b96797 FB |
1503 | } |
1504 | else { // 802.11a/b packet | |
976467d3 | 1505 | cbHeaderSize = wTxBufSize + sizeof(struct vnt_rrv_time_ab) + |
558becf1 | 1506 | sizeof(struct vnt_tx_datahead_ab); |
92b96797 FB |
1507 | } |
1508 | ||
ceb8c5da | 1509 | memcpy(&(sEthHeader.h_dest[0]), |
9a0e756c AM |
1510 | &(pPacket->p80211Header->sA3.abyAddr1[0]), |
1511 | ETH_ALEN); | |
ceb8c5da | 1512 | memcpy(&(sEthHeader.h_source[0]), |
9a0e756c AM |
1513 | &(pPacket->p80211Header->sA3.abyAddr2[0]), |
1514 | ETH_ALEN); | |
92b96797 FB |
1515 | //========================= |
1516 | // No Fragmentation | |
1517 | //========================= | |
3eaca0d2 | 1518 | pTxBufHead->wFragCtl |= (u16)FRAGCTL_NONFRAG; |
92b96797 | 1519 | |
351c7dc3 | 1520 | /* Fill FIFO,RrvTime,RTS,and CTS */ |
78363fd1 | 1521 | uDuration = s_vGenerateTxParameter(pDevice, byPktType, wCurrentRate, |
fa57560c | 1522 | pTX_Buffer, &pMICHDR, 0, |
05cc617b | 1523 | cbFrameSize, bNeedACK, &sEthHeader, false); |
92b96797 | 1524 | |
1cac4a4b | 1525 | pMACHeader = (struct ieee80211_hdr *) (pbyTxBufferAddr + cbHeaderSize); |
92b96797 FB |
1526 | |
1527 | cbReqCount = cbHeaderSize + cbMacHdLen + uPadding + cbIVlen + cbFrameBodySize; | |
1528 | ||
1529 | if (WLAN_GET_FC_ISWEP(pPacket->p80211Header->sA4.wFrameCtl) != 0) { | |
b902fbfe AM |
1530 | u8 * pbyIVHead; |
1531 | u8 * pbyPayloadHead; | |
1532 | u8 * pbyBSSID; | |
92b96797 FB |
1533 | PSKeyItem pTransmitKey = NULL; |
1534 | ||
b902fbfe AM |
1535 | pbyIVHead = (u8 *)(pbyTxBufferAddr + cbHeaderSize + cbMacHdLen + uPadding); |
1536 | pbyPayloadHead = (u8 *)(pbyTxBufferAddr + cbHeaderSize + cbMacHdLen + uPadding + cbIVlen); | |
92b96797 | 1537 | do { |
a0ad2776 MP |
1538 | if (pDevice->op_mode == NL80211_IFTYPE_STATION && |
1539 | pDevice->bLinkPass == true) { | |
92b96797 FB |
1540 | pbyBSSID = pDevice->abyBSSID; |
1541 | // get pairwise key | |
e269fc2d | 1542 | if (KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, PAIRWISE_KEY, &pTransmitKey) == false) { |
92b96797 | 1543 | // get group key |
4e9b5e2b | 1544 | if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == true) { |
92b96797 FB |
1545 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Get GTK.\n"); |
1546 | break; | |
1547 | } | |
1548 | } else { | |
1549 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Get PTK.\n"); | |
1550 | break; | |
1551 | } | |
1552 | } | |
1553 | // get group key | |
1554 | pbyBSSID = pDevice->abyBroadcastAddr; | |
e269fc2d | 1555 | if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == false) { |
92b96797 | 1556 | pTransmitKey = NULL; |
a0ad2776 | 1557 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"KEY is NULL. OP Mode[%d]\n", pDevice->op_mode); |
92b96797 FB |
1558 | } else { |
1559 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Get GTK.\n"); | |
1560 | } | |
e269fc2d | 1561 | } while(false); |
92b96797 | 1562 | //Fill TXKEY |
3ba0938c | 1563 | s_vFillTxKey(pDevice, pTxBufHead, pbyIVHead, pTransmitKey, |
3eaca0d2 | 1564 | (u8 *)pMACHeader, (u16)cbFrameBodySize, NULL); |
92b96797 | 1565 | |
3e362598 | 1566 | memcpy(pMACHeader, pPacket->p80211Header, cbMacHdLen); |
b902fbfe | 1567 | memcpy(pbyPayloadHead, ((u8 *)(pPacket->p80211Header) + cbMacHdLen), |
92b96797 FB |
1568 | cbFrameBodySize); |
1569 | } | |
1570 | else { | |
1571 | // Copy the Packet into a tx Buffer | |
3e362598 | 1572 | memcpy(pMACHeader, pPacket->p80211Header, pPacket->cbMPDULen); |
92b96797 FB |
1573 | } |
1574 | ||
1cac4a4b | 1575 | pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4); |
92b96797 FB |
1576 | pDevice->wSeqCounter++ ; |
1577 | if (pDevice->wSeqCounter > 0x0fff) | |
1578 | pDevice->wSeqCounter = 0; | |
1579 | ||
1580 | if (bIsPSPOLL) { | |
1581 | // The MAC will automatically replace the Duration-field of MAC header by Duration-field | |
a0a1f61a | 1582 | // of FIFO control header. |
92b96797 FB |
1583 | // This will cause AID-field of PS-POLL packet be incorrect (Because PS-POLL's AID field is |
1584 | // in the same place of other packet's Duration-field). | |
1585 | // And it will cause Cisco-AP to issue Disassociation-packet | |
7e60a3de | 1586 | if (byPktType == PK_TYPE_11GB || byPktType == PK_TYPE_11GA) { |
78363fd1 MP |
1587 | struct vnt_tx_datahead_g *data_head = &pTX_Buffer->tx_head. |
1588 | tx_cts.tx.head.cts_g.data_head; | |
4e01117c | 1589 | data_head->duration_a = |
7e60a3de | 1590 | cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); |
4e01117c | 1591 | data_head->duration_b = |
7e60a3de MP |
1592 | cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); |
1593 | } else { | |
c12dca09 MP |
1594 | struct vnt_tx_datahead_ab *data_head = &pTX_Buffer->tx_head. |
1595 | tx_ab.tx.head.data_head_ab; | |
4e01117c | 1596 | data_head->duration = |
558becf1 MP |
1597 | cpu_to_le16(pPacket->p80211Header->sA2.wDurationID); |
1598 | } | |
92b96797 FB |
1599 | } |
1600 | ||
ca347596 | 1601 | pTX_Buffer->tx_byte_count = cpu_to_le16((u16)(cbReqCount)); |
b902fbfe | 1602 | pTX_Buffer->byPKTNO = (u8) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); |
92b96797 FB |
1603 | pTX_Buffer->byType = 0x00; |
1604 | ||
30a05b39 MP |
1605 | pContext->skb = NULL; |
1606 | pContext->type = CONTEXT_MGMT_PACKET; | |
1607 | pContext->buf_len = (u16)cbReqCount + 4; /* USB header */ | |
92b96797 | 1608 | |
1cac4a4b | 1609 | if (WLAN_GET_FC_TODS(pMACHeader->frame_control) == 0) { |
d66caada MP |
1610 | s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), |
1611 | &pMACHeader->addr1[0], (u16)cbFrameSize, | |
1612 | pTxBufHead->wFIFOCtl); | |
92b96797 FB |
1613 | } |
1614 | else { | |
d66caada MP |
1615 | s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), |
1616 | &pMACHeader->addr3[0], (u16)cbFrameSize, | |
1617 | pTxBufHead->wFIFOCtl); | |
92b96797 FB |
1618 | } |
1619 | ||
1620 | PIPEnsSendBulkOut(pDevice,pContext); | |
931cb9ff MP |
1621 | |
1622 | spin_unlock_irqrestore(&pDevice->lock, flags); | |
1623 | ||
92b96797 FB |
1624 | return CMD_STATUS_PENDING; |
1625 | } | |
1626 | ||
d56131de MP |
1627 | CMD_STATUS csBeacon_xmit(struct vnt_private *pDevice, |
1628 | struct vnt_tx_mgmt *pPacket) | |
92b96797 | 1629 | { |
01f865ba | 1630 | struct vnt_beacon_buffer *pTX_Buffer; |
c7c57b24 | 1631 | struct vnt_tx_short_buf_head *short_head; |
d56131de MP |
1632 | u32 cbFrameSize = pPacket->cbMPDULen + WLAN_FCS_LEN; |
1633 | u32 cbHeaderSize = 0; | |
1cac4a4b | 1634 | struct ieee80211_hdr *pMACHeader; |
d56131de MP |
1635 | u16 wCurrentRate; |
1636 | u32 cbFrameBodySize; | |
1637 | u32 cbReqCount; | |
dcdf1d03 | 1638 | struct vnt_usb_send_context *pContext; |
d56131de | 1639 | CMD_STATUS status; |
92b96797 | 1640 | |
aceaf018 | 1641 | pContext = s_vGetFreeContext(pDevice); |
92b96797 FB |
1642 | if (NULL == pContext) { |
1643 | status = CMD_STATUS_RESOURCES; | |
1644 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ManagementSend TX...NO CONTEXT!\n"); | |
1645 | return status ; | |
1646 | } | |
01f865ba | 1647 | |
30a05b39 | 1648 | pTX_Buffer = (struct vnt_beacon_buffer *)&pContext->data[0]; |
c7c57b24 | 1649 | short_head = &pTX_Buffer->short_head; |
92b96797 FB |
1650 | |
1651 | cbFrameBodySize = pPacket->cbPayloadLen; | |
1652 | ||
c7c57b24 | 1653 | cbHeaderSize = sizeof(struct vnt_tx_short_buf_head); |
92b96797 | 1654 | |
c7c57b24 MP |
1655 | if (pDevice->byBBType == BB_TYPE_11A) { |
1656 | wCurrentRate = RATE_6M; | |
1657 | ||
1658 | /* Get SignalField,ServiceField,Length */ | |
1659 | BBvCalculateParameter(pDevice, cbFrameSize, wCurrentRate, | |
1660 | PK_TYPE_11A, &short_head->ab); | |
1661 | ||
1662 | /* Get Duration and TimeStampOff */ | |
1663 | short_head->duration = s_uGetDataDuration(pDevice, | |
1664 | PK_TYPE_11A, false); | |
1665 | short_head->time_stamp_off = | |
1666 | vnt_time_stamp_off(pDevice, wCurrentRate); | |
1667 | } else { | |
1668 | wCurrentRate = RATE_1M; | |
1669 | short_head->fifo_ctl |= FIFOCTL_11B; | |
1670 | ||
1671 | /* Get SignalField,ServiceField,Length */ | |
1672 | BBvCalculateParameter(pDevice, cbFrameSize, wCurrentRate, | |
1673 | PK_TYPE_11B, &short_head->ab); | |
1674 | ||
1675 | /* Get Duration and TimeStampOff */ | |
1676 | short_head->duration = s_uGetDataDuration(pDevice, | |
6b5ad9d2 | 1677 | PK_TYPE_11B, false); |
c7c57b24 MP |
1678 | short_head->time_stamp_off = |
1679 | vnt_time_stamp_off(pDevice, wCurrentRate); | |
1680 | } | |
1681 | ||
92b96797 | 1682 | |
0b71fe36 MP |
1683 | /* Generate Beacon Header */ |
1684 | pMACHeader = &pTX_Buffer->hdr; | |
92b96797 | 1685 | |
0b71fe36 MP |
1686 | memcpy(pMACHeader, pPacket->p80211Header, pPacket->cbMPDULen); |
1687 | ||
1688 | pMACHeader->duration_id = 0; | |
1689 | pMACHeader->seq_ctrl = cpu_to_le16(pDevice->wSeqCounter << 4); | |
1690 | pDevice->wSeqCounter++; | |
1691 | if (pDevice->wSeqCounter > 0x0fff) | |
1692 | pDevice->wSeqCounter = 0; | |
92b96797 FB |
1693 | |
1694 | cbReqCount = cbHeaderSize + WLAN_HDR_ADDR3_LEN + cbFrameBodySize; | |
1695 | ||
fad8e4ae | 1696 | pTX_Buffer->tx_byte_count = cpu_to_le16((u16)cbReqCount); |
b902fbfe | 1697 | pTX_Buffer->byPKTNO = (u8) (((wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); |
92b96797 FB |
1698 | pTX_Buffer->byType = 0x01; |
1699 | ||
30a05b39 MP |
1700 | pContext->skb = NULL; |
1701 | pContext->type = CONTEXT_MGMT_PACKET; | |
1702 | pContext->buf_len = (u16)cbReqCount + 4; /* USB header */ | |
92b96797 FB |
1703 | |
1704 | PIPEnsSendBulkOut(pDevice,pContext); | |
1705 | return CMD_STATUS_PENDING; | |
1706 | ||
1707 | } | |
1708 | ||
92b96797 FB |
1709 | //TYPE_AC0DMA data tx |
1710 | /* | |
1711 | * Description: | |
1712 | * Tx packet via AC0DMA(DMA1) | |
1713 | * | |
1714 | * Parameters: | |
1715 | * In: | |
1716 | * pDevice - Pointer to the adapter | |
1717 | * skb - Pointer to tx skb packet | |
1718 | * Out: | |
1719 | * void | |
1720 | * | |
1721 | * Return Value: NULL | |
1722 | */ | |
1723 | ||
05cc617b | 1724 | int nsDMA_tx_packet(struct vnt_private *pDevice, struct sk_buff *skb) |
92b96797 | 1725 | { |
d56131de MP |
1726 | struct net_device_stats *pStats = &pDevice->stats; |
1727 | struct vnt_manager *pMgmt = &pDevice->vnt_mgmt; | |
f39c0d8e | 1728 | struct vnt_tx_buffer *pTX_Buffer; |
d56131de MP |
1729 | u32 BytesToWrite = 0, uHeaderLen = 0; |
1730 | u32 uNodeIndex = 0; | |
1731 | u8 byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80}; | |
1732 | u16 wAID; | |
1733 | u8 byPktType; | |
e269fc2d | 1734 | int bNeedEncryption = false; |
d56131de | 1735 | PSKeyItem pTransmitKey = NULL; |
d56131de | 1736 | int ii; |
e269fc2d AM |
1737 | int bTKIP_UseGTK = false; |
1738 | int bNeedDeAuth = false; | |
d56131de | 1739 | u8 *pbyBSSID; |
e269fc2d | 1740 | int bNodeExist = false; |
dcdf1d03 | 1741 | struct vnt_usb_send_context *pContext; |
dfdcc425 | 1742 | bool fConvertedPacket; |
d56131de MP |
1743 | u32 status; |
1744 | u16 wKeepRate = pDevice->wCurrentRate; | |
e269fc2d | 1745 | int bTxeapol_key = false; |
92b96797 | 1746 | |
92b96797 FB |
1747 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { |
1748 | ||
1749 | if (pDevice->uAssocCount == 0) { | |
1750 | dev_kfree_skb_irq(skb); | |
1751 | return 0; | |
1752 | } | |
1753 | ||
b902fbfe | 1754 | if (is_multicast_ether_addr((u8 *)(skb->data))) { |
92b96797 | 1755 | uNodeIndex = 0; |
4e9b5e2b | 1756 | bNodeExist = true; |
92b96797 FB |
1757 | if (pMgmt->sNodeDBTable[0].bPSEnable) { |
1758 | ||
1759 | skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skb); | |
1760 | pMgmt->sNodeDBTable[0].wEnQueueCnt++; | |
1761 | // set tx map | |
1762 | pMgmt->abyPSTxMap[0] |= byMask[0]; | |
1763 | return 0; | |
1764 | } | |
93184690 | 1765 | // multicast/broadcast data rate |
92b96797 FB |
1766 | |
1767 | if (pDevice->byBBType != BB_TYPE_11A) | |
1768 | pDevice->wCurrentRate = RATE_2M; | |
1769 | else | |
1770 | pDevice->wCurrentRate = RATE_24M; | |
1771 | // long preamble type | |
1772 | pDevice->byPreambleType = PREAMBLE_SHORT; | |
1773 | ||
1774 | }else { | |
1775 | ||
b902fbfe | 1776 | if (BSSbIsSTAInNodeDB(pDevice, (u8 *)(skb->data), &uNodeIndex)) { |
92b96797 FB |
1777 | |
1778 | if (pMgmt->sNodeDBTable[uNodeIndex].bPSEnable) { | |
1779 | ||
1780 | skb_queue_tail(&pMgmt->sNodeDBTable[uNodeIndex].sTxPSQueue, skb); | |
1781 | ||
1782 | pMgmt->sNodeDBTable[uNodeIndex].wEnQueueCnt++; | |
1783 | // set tx map | |
1784 | wAID = pMgmt->sNodeDBTable[uNodeIndex].wAID; | |
1785 | pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7]; | |
1786 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Set:pMgmt->abyPSTxMap[%d]= %d\n", | |
1787 | (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]); | |
1788 | ||
1789 | return 0; | |
1790 | } | |
1791 | // AP rate decided from node | |
1792 | pDevice->wCurrentRate = pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate; | |
1793 | // tx preamble decided from node | |
1794 | ||
1795 | if (pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble) { | |
1796 | pDevice->byPreambleType = pDevice->byShortPreamble; | |
1797 | ||
1798 | }else { | |
1799 | pDevice->byPreambleType = PREAMBLE_LONG; | |
1800 | } | |
4e9b5e2b | 1801 | bNodeExist = true; |
92b96797 FB |
1802 | } |
1803 | } | |
1804 | ||
e269fc2d | 1805 | if (bNodeExist == false) { |
92b96797 FB |
1806 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Unknown STA not found in node DB \n"); |
1807 | dev_kfree_skb_irq(skb); | |
1808 | return 0; | |
1809 | } | |
1810 | } | |
1811 | ||
838c2d6c | 1812 | memcpy(&pDevice->sTxEthHeader, skb->data, ETH_HLEN); |
92b96797 FB |
1813 | |
1814 | //mike add:station mode check eapol-key challenge---> | |
1815 | { | |
b902fbfe AM |
1816 | u8 Protocol_Version; //802.1x Authentication |
1817 | u8 Packet_Type; //802.1x Authentication | |
1818 | u8 Descriptor_type; | |
3eaca0d2 | 1819 | u16 Key_info; |
92b96797 | 1820 | |
21ec51f3 CC |
1821 | Protocol_Version = skb->data[ETH_HLEN]; |
1822 | Packet_Type = skb->data[ETH_HLEN+1]; | |
1823 | Descriptor_type = skb->data[ETH_HLEN+1+1+2]; | |
1824 | Key_info = (skb->data[ETH_HLEN+1+1+2+1] << 8)|(skb->data[ETH_HLEN+1+1+2+2]); | |
ceb8c5da | 1825 | if (pDevice->sTxEthHeader.h_proto == cpu_to_be16(ETH_P_PAE)) { |
aa209eef MP |
1826 | /* 802.1x OR eapol-key challenge frame transfer */ |
1827 | if (((Protocol_Version == 1) || (Protocol_Version == 2)) && | |
1828 | (Packet_Type == 3)) { | |
4e9b5e2b | 1829 | bTxeapol_key = true; |
92b96797 FB |
1830 | if(!(Key_info & BIT3) && //WPA or RSN group-key challenge |
1831 | (Key_info & BIT8) && (Key_info & BIT9)) { //send 2/2 key | |
1832 | if(Descriptor_type==254) { | |
4e9b5e2b | 1833 | pDevice->fWPA_Authened = true; |
92b96797 FB |
1834 | PRINT_K("WPA "); |
1835 | } | |
1836 | else { | |
4e9b5e2b | 1837 | pDevice->fWPA_Authened = true; |
92b96797 FB |
1838 | PRINT_K("WPA2(re-keying) "); |
1839 | } | |
1840 | PRINT_K("Authentication completed!!\n"); | |
1841 | } | |
a0a1f61a | 1842 | else if((Key_info & BIT3) && (Descriptor_type==2) && //RSN pairwise-key challenge |
92b96797 | 1843 | (Key_info & BIT8) && (Key_info & BIT9)) { |
4e9b5e2b | 1844 | pDevice->fWPA_Authened = true; |
92b96797 FB |
1845 | PRINT_K("WPA2 Authentication completed!!\n"); |
1846 | } | |
1847 | } | |
1848 | } | |
1849 | } | |
1850 | //mike add:station mode check eapol-key challenge<--- | |
1851 | ||
4e9b5e2b AM |
1852 | if (pDevice->bEncryptionEnable == true) { |
1853 | bNeedEncryption = true; | |
92b96797 FB |
1854 | // get Transmit key |
1855 | do { | |
1856 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && | |
1857 | (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { | |
1858 | pbyBSSID = pDevice->abyBSSID; | |
1859 | // get pairwise key | |
e269fc2d | 1860 | if (KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, PAIRWISE_KEY, &pTransmitKey) == false) { |
92b96797 | 1861 | // get group key |
4e9b5e2b AM |
1862 | if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == true) { |
1863 | bTKIP_UseGTK = true; | |
92b96797 FB |
1864 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get GTK.\n"); |
1865 | break; | |
1866 | } | |
1867 | } else { | |
1868 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get PTK.\n"); | |
1869 | break; | |
1870 | } | |
1871 | }else if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { | |
ceb8c5da AM |
1872 | /* TO_DS = 0 and FROM_DS = 0 --> 802.11 MAC Address1 */ |
1873 | pbyBSSID = pDevice->sTxEthHeader.h_dest; | |
92b96797 FB |
1874 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"IBSS Serach Key: \n"); |
1875 | for (ii = 0; ii< 6; ii++) | |
1876 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"%x \n", *(pbyBSSID+ii)); | |
1877 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"\n"); | |
1878 | ||
1879 | // get pairwise key | |
4e9b5e2b | 1880 | if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, PAIRWISE_KEY, &pTransmitKey) == true) |
92b96797 FB |
1881 | break; |
1882 | } | |
1883 | // get group key | |
1884 | pbyBSSID = pDevice->abyBroadcastAddr; | |
e269fc2d | 1885 | if(KeybGetTransmitKey(&(pDevice->sKey), pbyBSSID, GROUP_KEY, &pTransmitKey) == false) { |
92b96797 FB |
1886 | pTransmitKey = NULL; |
1887 | if (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA) { | |
1888 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"IBSS and KEY is NULL. [%d]\n", pMgmt->eCurrMode); | |
1889 | } | |
1890 | else | |
1891 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"NOT IBSS and KEY is NULL. [%d]\n", pMgmt->eCurrMode); | |
1892 | } else { | |
4e9b5e2b | 1893 | bTKIP_UseGTK = true; |
92b96797 FB |
1894 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG"Get GTK.\n"); |
1895 | } | |
e269fc2d | 1896 | } while(false); |
92b96797 FB |
1897 | } |
1898 | ||
b902fbfe | 1899 | byPktType = (u8)pDevice->byPacketType; |
92b96797 FB |
1900 | |
1901 | if (pDevice->bFixRate) { | |
1902 | if (pDevice->byBBType == BB_TYPE_11B) { | |
1903 | if (pDevice->uConnectionRate >= RATE_11M) { | |
1904 | pDevice->wCurrentRate = RATE_11M; | |
1905 | } else { | |
3eaca0d2 | 1906 | pDevice->wCurrentRate = (u16)pDevice->uConnectionRate; |
92b96797 FB |
1907 | } |
1908 | } else { | |
1909 | if ((pDevice->byBBType == BB_TYPE_11A) && | |
1910 | (pDevice->uConnectionRate <= RATE_6M)) { | |
1911 | pDevice->wCurrentRate = RATE_6M; | |
1912 | } else { | |
1913 | if (pDevice->uConnectionRate >= RATE_54M) | |
1914 | pDevice->wCurrentRate = RATE_54M; | |
1915 | else | |
3eaca0d2 | 1916 | pDevice->wCurrentRate = (u16)pDevice->uConnectionRate; |
92b96797 FB |
1917 | } |
1918 | } | |
1919 | } | |
1920 | else { | |
a0ad2776 | 1921 | if (pDevice->op_mode == NL80211_IFTYPE_ADHOC) { |
92b96797 | 1922 | // Adhoc Tx rate decided from node DB |
ceb8c5da | 1923 | if (is_multicast_ether_addr(pDevice->sTxEthHeader.h_dest)) { |
92b96797 FB |
1924 | // Multicast use highest data rate |
1925 | pDevice->wCurrentRate = pMgmt->sNodeDBTable[0].wTxDataRate; | |
1926 | // preamble type | |
1927 | pDevice->byPreambleType = pDevice->byShortPreamble; | |
1928 | } | |
1929 | else { | |
ceb8c5da | 1930 | if (BSSbIsSTAInNodeDB(pDevice, &(pDevice->sTxEthHeader.h_dest[0]), &uNodeIndex)) { |
92b96797 FB |
1931 | pDevice->wCurrentRate = pMgmt->sNodeDBTable[uNodeIndex].wTxDataRate; |
1932 | if (pMgmt->sNodeDBTable[uNodeIndex].bShortPreamble) { | |
1933 | pDevice->byPreambleType = pDevice->byShortPreamble; | |
1934 | ||
1935 | } | |
1936 | else { | |
1937 | pDevice->byPreambleType = PREAMBLE_LONG; | |
1938 | } | |
1939 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Found Node Index is [%d] Tx Data Rate:[%d]\n",uNodeIndex, pDevice->wCurrentRate); | |
1940 | } | |
1941 | else { | |
1942 | if (pDevice->byBBType != BB_TYPE_11A) | |
1943 | pDevice->wCurrentRate = RATE_2M; | |
1944 | else | |
1945 | pDevice->wCurrentRate = RATE_24M; // refer to vMgrCreateOwnIBSS()'s | |
1946 | // abyCurrExtSuppRates[] | |
1947 | pDevice->byPreambleType = PREAMBLE_SHORT; | |
1948 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Not Found Node use highest basic Rate.....\n"); | |
1949 | } | |
1950 | } | |
1951 | } | |
a0ad2776 | 1952 | if (pDevice->op_mode == NL80211_IFTYPE_STATION) { |
92b96797 FB |
1953 | // Infra STA rate decided from AP Node, index = 0 |
1954 | pDevice->wCurrentRate = pMgmt->sNodeDBTable[0].wTxDataRate; | |
1955 | } | |
1956 | } | |
1957 | ||
ceb8c5da | 1958 | if (pDevice->sTxEthHeader.h_proto == cpu_to_be16(ETH_P_PAE)) { |
aa209eef MP |
1959 | if (pDevice->byBBType != BB_TYPE_11A) { |
1960 | pDevice->wCurrentRate = RATE_1M; | |
aa209eef MP |
1961 | pDevice->byTopCCKBasicRate = RATE_1M; |
1962 | pDevice->byTopOFDMBasicRate = RATE_6M; | |
1963 | } else { | |
1964 | pDevice->wCurrentRate = RATE_6M; | |
aa209eef MP |
1965 | pDevice->byTopCCKBasicRate = RATE_1M; |
1966 | pDevice->byTopOFDMBasicRate = RATE_6M; | |
1967 | } | |
1968 | } | |
92b96797 | 1969 | |
0cbd8d98 AM |
1970 | DBG_PRT(MSG_LEVEL_DEBUG, |
1971 | KERN_INFO "dma_tx: pDevice->wCurrentRate = %d\n", | |
1972 | pDevice->wCurrentRate); | |
92b96797 FB |
1973 | |
1974 | if (wKeepRate != pDevice->wCurrentRate) { | |
0cbd8d98 | 1975 | bScheduleCommand((void *) pDevice, WLAN_CMD_SETPOWER, NULL); |
92b96797 FB |
1976 | } |
1977 | ||
1978 | if (pDevice->wCurrentRate <= RATE_11M) { | |
1979 | byPktType = PK_TYPE_11B; | |
1980 | } | |
1981 | ||
4e9b5e2b | 1982 | if (bNeedEncryption == true) { |
ceb8c5da AM |
1983 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ntohs Pkt Type=%04x\n", ntohs(pDevice->sTxEthHeader.h_proto)); |
1984 | if ((pDevice->sTxEthHeader.h_proto) == cpu_to_be16(ETH_P_PAE)) { | |
e269fc2d | 1985 | bNeedEncryption = false; |
ceb8c5da | 1986 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Pkt Type=%04x\n", (pDevice->sTxEthHeader.h_proto)); |
92b96797 FB |
1987 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { |
1988 | if (pTransmitKey == NULL) { | |
1989 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Don't Find TX KEY\n"); | |
1990 | } | |
1991 | else { | |
4e9b5e2b | 1992 | if (bTKIP_UseGTK == true) { |
92b96797 FB |
1993 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"error: KEY is GTK!!~~\n"); |
1994 | } | |
1995 | else { | |
b4dc03af MP |
1996 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Find PTK [%X]\n", |
1997 | pTransmitKey->dwKeyIndex); | |
4e9b5e2b | 1998 | bNeedEncryption = true; |
92b96797 FB |
1999 | } |
2000 | } | |
2001 | } | |
92b96797 FB |
2002 | } |
2003 | else { | |
2004 | ||
92b96797 FB |
2005 | if (pTransmitKey == NULL) { |
2006 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"return no tx key\n"); | |
2007 | dev_kfree_skb_irq(skb); | |
2008 | pStats->tx_dropped++; | |
2009 | return STATUS_FAILURE; | |
2010 | } | |
92b96797 FB |
2011 | } |
2012 | } | |
2013 | ||
b674ee14 MP |
2014 | pContext = s_vGetFreeContext(pDevice); |
2015 | if (!pContext) { | |
2016 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_DEBUG" pContext == NULL\n"); | |
2017 | dev_kfree_skb_irq(skb); | |
2018 | return STATUS_RESOURCES; | |
2019 | } | |
2020 | ||
30a05b39 | 2021 | pTX_Buffer = (struct vnt_tx_buffer *)&pContext->data[0]; |
d0a2b8fa | 2022 | |
92b96797 | 2023 | fConvertedPacket = s_bPacketToWirelessUsb(pDevice, byPktType, |
d0a2b8fa | 2024 | pTX_Buffer, bNeedEncryption, |
05cc617b | 2025 | skb->len, &pDevice->sTxEthHeader, |
b902fbfe | 2026 | (u8 *)skb->data, pTransmitKey, uNodeIndex, |
92b96797 FB |
2027 | pDevice->wCurrentRate, |
2028 | &uHeaderLen, &BytesToWrite | |
2029 | ); | |
2030 | ||
30a05b39 MP |
2031 | if (fConvertedPacket == false) { |
2032 | pContext->in_use = false; | |
2033 | dev_kfree_skb_irq(skb); | |
2034 | return STATUS_FAILURE; | |
2035 | } | |
92b96797 | 2036 | |
4e9b5e2b | 2037 | if ( pDevice->bEnablePSMode == true ) { |
92b96797 | 2038 | if ( !pDevice->bPSModeTxBurst ) { |
0cbd8d98 AM |
2039 | bScheduleCommand((void *) pDevice, |
2040 | WLAN_CMD_MAC_DISPOWERSAVING, | |
2041 | NULL); | |
4e9b5e2b | 2042 | pDevice->bPSModeTxBurst = true; |
92b96797 FB |
2043 | } |
2044 | } | |
2045 | ||
b902fbfe | 2046 | pTX_Buffer->byPKTNO = (u8) (((pDevice->wCurrentRate<<4) &0x00F0) | ((pDevice->wSeqCounter - 1) & 0x000F)); |
ca347596 | 2047 | pTX_Buffer->tx_byte_count = cpu_to_le16((u16)BytesToWrite); |
92b96797 | 2048 | |
30a05b39 MP |
2049 | pContext->skb = skb; |
2050 | pContext->type = CONTEXT_DATA_PACKET; | |
2051 | pContext->buf_len = (u16)BytesToWrite + 4 ; /* USB header */ | |
92b96797 | 2052 | |
d66caada | 2053 | s_vSaveTxPktInfo(pDevice, (u8)(pTX_Buffer->byPKTNO & 0x0F), |
81aec60e | 2054 | &pDevice->sTxEthHeader.h_dest[0], |
d66caada MP |
2055 | (u16)(BytesToWrite-uHeaderLen), |
2056 | pTX_Buffer->fifo_head.wFIFOCtl); | |
92b96797 FB |
2057 | |
2058 | status = PIPEnsSendBulkOut(pDevice,pContext); | |
2059 | ||
4e9b5e2b | 2060 | if (bNeedDeAuth == true) { |
3eaca0d2 | 2061 | u16 wReason = WLAN_MGMT_REASON_MIC_FAILURE; |
92b96797 | 2062 | |
b902fbfe | 2063 | bScheduleCommand((void *) pDevice, WLAN_CMD_DEAUTH, (u8 *) &wReason); |
92b96797 FB |
2064 | } |
2065 | ||
30a05b39 MP |
2066 | if (status != STATUS_PENDING) { |
2067 | pContext->in_use = false; | |
2068 | dev_kfree_skb_irq(skb); | |
2069 | return STATUS_FAILURE; | |
2070 | } | |
92b96797 | 2071 | |
30a05b39 MP |
2072 | |
2073 | return 0; | |
92b96797 | 2074 | } |