Pekka Enberg | 80aba53 | 2008-10-30 13:04:29 +0200 | [diff] [blame] | 1 | #include "ds_tkip.h" |
| 2 | #include "gl_80211.h" |
| 3 | #include "mds_f.h" |
| 4 | #include "mlmetxrx_f.h" |
| 5 | #include "mto_f.h" |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 6 | #include "os_common.h" |
Pekka Enberg | 80aba53 | 2008-10-30 13:04:29 +0200 | [diff] [blame] | 7 | #include "wbhal_f.h" |
| 8 | #include "wblinux_f.h" |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 9 | |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 10 | unsigned char |
Pekka Enberg | 1e8a2b6 | 2008-10-30 16:14:38 +0200 | [diff] [blame] | 11 | Mds_initial(struct wbsoft_priv * adapter) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 12 | { |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 13 | PMDS pMds = &adapter->Mds; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 14 | |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 15 | pMds->TxPause = false; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 16 | pMds->TxRTSThreshold = DEFAULT_RTSThreshold; |
| 17 | pMds->TxFragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; |
| 18 | |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 19 | vRxTimerInit(adapter);//for WPA countermeasure |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 20 | |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 21 | return hal_get_tx_buffer( &adapter->sHwData, &pMds->pTxBuffer ); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 22 | } |
| 23 | |
| 24 | void |
Pekka Enberg | 1e8a2b6 | 2008-10-30 16:14:38 +0200 | [diff] [blame] | 25 | Mds_Destroy(struct wbsoft_priv * adapter) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 26 | { |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 27 | vRxTimerStop(adapter); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 28 | } |
| 29 | |
Pekka Enberg | 6261ab3 | 2008-10-30 19:04:50 +0200 | [diff] [blame^] | 30 | static void Mds_DurationSet(struct wbsoft_priv *adapter, PDESCRIPTOR pDes, u8 *buffer) |
| 31 | { |
| 32 | PT00_DESCRIPTOR pT00; |
| 33 | PT01_DESCRIPTOR pT01; |
| 34 | u16 Duration, NextBodyLen, OffsetSize; |
| 35 | u8 Rate, i; |
| 36 | unsigned char CTS_on = false, RTS_on = false; |
| 37 | PT00_DESCRIPTOR pNextT00; |
| 38 | u16 BodyLen = 0; |
| 39 | unsigned char boGroupAddr = false; |
| 40 | |
| 41 | OffsetSize = pDes->FragmentThreshold + 32 + 3; |
| 42 | OffsetSize &= ~0x03; |
| 43 | Rate = pDes->TxRate >> 1; |
| 44 | if (!Rate) |
| 45 | Rate = 1; |
| 46 | |
| 47 | pT00 = (PT00_DESCRIPTOR)buffer; |
| 48 | pT01 = (PT01_DESCRIPTOR)(buffer+4); |
| 49 | pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize); |
| 50 | |
| 51 | if( buffer[ DOT_11_DA_OFFSET+8 ] & 0x1 ) // +8 for USB hdr |
| 52 | boGroupAddr = true; |
| 53 | |
| 54 | //======================================== |
| 55 | // Set RTS/CTS mechanism |
| 56 | //======================================== |
| 57 | if (!boGroupAddr) |
| 58 | { |
| 59 | //NOTE : If the protection mode is enabled and the MSDU will be fragmented, |
| 60 | // the tx rates of MPDUs will all be DSSS rates. So it will not use |
| 61 | // CTS-to-self in this case. CTS-To-self will only be used when without |
| 62 | // fragmentation. -- 20050112 |
| 63 | BodyLen = (u16)pT00->T00_frame_length; //include 802.11 header |
| 64 | BodyLen += 4; //CRC |
| 65 | |
| 66 | if( BodyLen >= CURRENT_RTS_THRESHOLD ) |
| 67 | RTS_on = true; // Using RTS |
| 68 | else |
| 69 | { |
| 70 | if( pT01->T01_modulation_type ) // Is using OFDM |
| 71 | { |
| 72 | if( CURRENT_PROTECT_MECHANISM ) // Is using protect |
| 73 | CTS_on = true; // Using CTS |
| 74 | } |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | if( RTS_on || CTS_on ) |
| 79 | { |
| 80 | if( pT01->T01_modulation_type) // Is using OFDM |
| 81 | { |
| 82 | //CTS duration |
| 83 | // 2 SIFS + DATA transmit time + 1 ACK |
| 84 | // ACK Rate : 24 Mega bps |
| 85 | // ACK frame length = 14 bytes |
| 86 | Duration = 2*DEFAULT_SIFSTIME + |
| 87 | 2*PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION + |
| 88 | ((BodyLen*8 + 22 + Rate*4 - 1)/(Rate*4))*Tsym + |
| 89 | ((112 + 22 + 95)/96)*Tsym; |
| 90 | } |
| 91 | else //DSSS |
| 92 | { |
| 93 | //CTS duration |
| 94 | // 2 SIFS + DATA transmit time + 1 ACK |
| 95 | // Rate : ?? Mega bps |
| 96 | // ACK frame length = 14 bytes |
| 97 | if( pT01->T01_plcp_header_length ) //long preamble |
| 98 | Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*2; |
| 99 | else |
| 100 | Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*2; |
| 101 | |
| 102 | Duration += ( ((BodyLen + 14)*8 + Rate-1) / Rate + |
| 103 | DEFAULT_SIFSTIME*2 ); |
| 104 | } |
| 105 | |
| 106 | if( RTS_on ) |
| 107 | { |
| 108 | if( pT01->T01_modulation_type ) // Is using OFDM |
| 109 | { |
| 110 | //CTS + 1 SIFS + CTS duration |
| 111 | //CTS Rate : 24 Mega bps |
| 112 | //CTS frame length = 14 bytes |
| 113 | Duration += (DEFAULT_SIFSTIME + |
| 114 | PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION + |
| 115 | ((112 + 22 + 95)/96)*Tsym); |
| 116 | } |
| 117 | else |
| 118 | { |
| 119 | //CTS + 1 SIFS + CTS duration |
| 120 | //CTS Rate : ?? Mega bps |
| 121 | //CTS frame length = 14 bytes |
| 122 | if( pT01->T01_plcp_header_length ) //long preamble |
| 123 | Duration += LONG_PREAMBLE_PLUS_PLCPHEADER_TIME; |
| 124 | else |
| 125 | Duration += SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME; |
| 126 | |
| 127 | Duration += ( ((112 + Rate-1) / Rate) + DEFAULT_SIFSTIME ); |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | // Set the value into USB descriptor |
| 132 | pT01->T01_add_rts = RTS_on ? 1 : 0; |
| 133 | pT01->T01_add_cts = CTS_on ? 1 : 0; |
| 134 | pT01->T01_rts_cts_duration = Duration; |
| 135 | } |
| 136 | |
| 137 | //===================================== |
| 138 | // Fill the more fragment descriptor |
| 139 | //===================================== |
| 140 | if( boGroupAddr ) |
| 141 | Duration = 0; |
| 142 | else |
| 143 | { |
| 144 | for( i=pDes->FragmentCount-1; i>0; i-- ) |
| 145 | { |
| 146 | NextBodyLen = (u16)pNextT00->T00_frame_length; |
| 147 | NextBodyLen += 4; //CRC |
| 148 | |
| 149 | if( pT01->T01_modulation_type ) |
| 150 | { |
| 151 | //OFDM |
| 152 | // data transmit time + 3 SIFS + 2 ACK |
| 153 | // Rate : ??Mega bps |
| 154 | // ACK frame length = 14 bytes, tx rate = 24M |
| 155 | Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION * 3; |
| 156 | Duration += (((NextBodyLen*8 + 22 + Rate*4 - 1)/(Rate*4)) * Tsym + |
| 157 | (((2*14)*8 + 22 + 95)/96)*Tsym + |
| 158 | DEFAULT_SIFSTIME*3); |
| 159 | } |
| 160 | else |
| 161 | { |
| 162 | //DSSS |
| 163 | // data transmit time + 2 ACK + 3 SIFS |
| 164 | // Rate : ??Mega bps |
| 165 | // ACK frame length = 14 bytes |
| 166 | //TODO : |
| 167 | if( pT01->T01_plcp_header_length ) //long preamble |
| 168 | Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME*3; |
| 169 | else |
| 170 | Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME*3; |
| 171 | |
| 172 | Duration += ( ((NextBodyLen + (2*14))*8 + Rate-1) / Rate + |
| 173 | DEFAULT_SIFSTIME*3 ); |
| 174 | } |
| 175 | |
| 176 | ((u16 *)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration |
| 177 | |
| 178 | //----20061009 add by anson's endian |
| 179 | pNextT00->value = cpu_to_le32(pNextT00->value); |
| 180 | pT01->value = cpu_to_le32( pT01->value ); |
| 181 | //----end 20061009 add by anson's endian |
| 182 | |
| 183 | buffer += OffsetSize; |
| 184 | pT01 = (PT01_DESCRIPTOR)(buffer+4); |
| 185 | if (i != 1) //The last fragment will not have the next fragment |
| 186 | pNextT00 = (PT00_DESCRIPTOR)(buffer+OffsetSize); |
| 187 | } |
| 188 | |
| 189 | //===================================== |
| 190 | // Fill the last fragment descriptor |
| 191 | //===================================== |
| 192 | if( pT01->T01_modulation_type ) |
| 193 | { |
| 194 | //OFDM |
| 195 | // 1 SIFS + 1 ACK |
| 196 | // Rate : 24 Mega bps |
| 197 | // ACK frame length = 14 bytes |
| 198 | Duration = PREAMBLE_PLUS_SIGNAL_PLUS_SIGNALEXTENSION; |
| 199 | //The Tx rate of ACK use 24M |
| 200 | Duration += (((112 + 22 + 95)/96)*Tsym + DEFAULT_SIFSTIME ); |
| 201 | } |
| 202 | else |
| 203 | { |
| 204 | // DSSS |
| 205 | // 1 ACK + 1 SIFS |
| 206 | // Rate : ?? Mega bps |
| 207 | // ACK frame length = 14 bytes(112 bits) |
| 208 | if( pT01->T01_plcp_header_length ) //long preamble |
| 209 | Duration = LONG_PREAMBLE_PLUS_PLCPHEADER_TIME; |
| 210 | else |
| 211 | Duration = SHORT_PREAMBLE_PLUS_PLCPHEADER_TIME; |
| 212 | |
| 213 | Duration += ( (112 + Rate-1)/Rate + DEFAULT_SIFSTIME ); |
| 214 | } |
| 215 | } |
| 216 | |
| 217 | ((u16 *)buffer)[5] = cpu_to_le16(Duration);// 4 USHOR for skip 8B USB, 2USHORT=FC + Duration |
| 218 | pT00->value = cpu_to_le32(pT00->value); |
| 219 | pT01->value = cpu_to_le32(pT01->value); |
| 220 | //--end 20061009 add |
| 221 | |
| 222 | } |
| 223 | |
| 224 | // The function return the 4n size of usb pk |
| 225 | static u16 Mds_BodyCopy(struct wbsoft_priv *adapter, PDESCRIPTOR pDes, u8 *TargetBuffer) |
| 226 | { |
| 227 | PT00_DESCRIPTOR pT00; |
| 228 | PMDS pMds = &adapter->Mds; |
| 229 | u8 *buffer; |
| 230 | u8 *src_buffer; |
| 231 | u8 *pctmp; |
| 232 | u16 Size = 0; |
| 233 | u16 SizeLeft, CopySize, CopyLeft, stmp; |
| 234 | u8 buf_index, FragmentCount = 0; |
| 235 | |
| 236 | |
| 237 | // Copy fragment body |
| 238 | buffer = TargetBuffer; // shift 8B usb + 24B 802.11 |
| 239 | SizeLeft = pDes->buffer_total_size; |
| 240 | buf_index = pDes->buffer_start_index; |
| 241 | |
| 242 | pT00 = (PT00_DESCRIPTOR)buffer; |
| 243 | while (SizeLeft) { |
| 244 | pT00 = (PT00_DESCRIPTOR)buffer; |
| 245 | CopySize = SizeLeft; |
| 246 | if (SizeLeft > pDes->FragmentThreshold) { |
| 247 | CopySize = pDes->FragmentThreshold; |
| 248 | pT00->T00_frame_length = 24 + CopySize;//Set USB length |
| 249 | } else |
| 250 | pT00->T00_frame_length = 24 + SizeLeft;//Set USB length |
| 251 | |
| 252 | SizeLeft -= CopySize; |
| 253 | |
| 254 | // 1 Byte operation |
| 255 | pctmp = (u8 *)( buffer + 8 + DOT_11_SEQUENCE_OFFSET ); |
| 256 | *pctmp &= 0xf0; |
| 257 | *pctmp |= FragmentCount;//931130.5.m |
| 258 | if( !FragmentCount ) |
| 259 | pT00->T00_first_mpdu = 1; |
| 260 | |
| 261 | buffer += 32; // 8B usb + 24B 802.11 header |
| 262 | Size += 32; |
| 263 | |
| 264 | // Copy into buffer |
| 265 | stmp = CopySize + 3; |
| 266 | stmp &= ~0x03;//4n Alignment |
| 267 | Size += stmp;// Current 4n offset of mpdu |
| 268 | |
| 269 | while (CopySize) { |
| 270 | // Copy body |
| 271 | src_buffer = pDes->buffer_address[buf_index]; |
| 272 | CopyLeft = CopySize; |
| 273 | if (CopySize >= pDes->buffer_size[buf_index]) { |
| 274 | CopyLeft = pDes->buffer_size[buf_index]; |
| 275 | |
| 276 | // Get the next buffer of descriptor |
| 277 | buf_index++; |
| 278 | buf_index %= MAX_DESCRIPTOR_BUFFER_INDEX; |
| 279 | } else { |
| 280 | u8 *pctmp = pDes->buffer_address[buf_index]; |
| 281 | pctmp += CopySize; |
| 282 | pDes->buffer_address[buf_index] = pctmp; |
| 283 | pDes->buffer_size[buf_index] -= CopySize; |
| 284 | } |
| 285 | |
| 286 | memcpy(buffer, src_buffer, CopyLeft); |
| 287 | buffer += CopyLeft; |
| 288 | CopySize -= CopyLeft; |
| 289 | } |
| 290 | |
| 291 | // 931130.5.n |
| 292 | if (pMds->MicAdd) { |
| 293 | if (!SizeLeft) { |
| 294 | pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - pMds->MicAdd; |
| 295 | pMds->MicWriteSize[ pMds->MicWriteIndex ] = pMds->MicAdd; |
| 296 | pMds->MicAdd = 0; |
| 297 | } |
| 298 | else if( SizeLeft < 8 ) //931130.5.p |
| 299 | { |
| 300 | pMds->MicAdd = SizeLeft; |
| 301 | pMds->MicWriteAddress[ pMds->MicWriteIndex ] = buffer - ( 8 - SizeLeft ); |
| 302 | pMds->MicWriteSize[ pMds->MicWriteIndex ] = 8 - SizeLeft; |
| 303 | pMds->MicWriteIndex++; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | // Does it need to generate the new header for next mpdu? |
| 308 | if (SizeLeft) { |
| 309 | buffer = TargetBuffer + Size; // Get the next 4n start address |
| 310 | memcpy( buffer, TargetBuffer, 32 );//Copy 8B USB +24B 802.11 |
| 311 | pT00 = (PT00_DESCRIPTOR)buffer; |
| 312 | pT00->T00_first_mpdu = 0; |
| 313 | } |
| 314 | |
| 315 | FragmentCount++; |
| 316 | } |
| 317 | |
| 318 | pT00->T00_last_mpdu = 1; |
| 319 | pT00->T00_IsLastMpdu = 1; |
| 320 | buffer = (u8 *)pT00 + 8; // +8 for USB hdr |
| 321 | buffer[1] &= ~0x04; // Clear more frag bit of 802.11 frame control |
| 322 | pDes->FragmentCount = FragmentCount; // Update the correct fragment number |
| 323 | return Size; |
| 324 | } |
| 325 | |
| 326 | static void Mds_HeaderCopy(struct wbsoft_priv * adapter, PDESCRIPTOR pDes, u8 *TargetBuffer) |
| 327 | { |
| 328 | PMDS pMds = &adapter->Mds; |
| 329 | u8 *src_buffer = pDes->buffer_address[0];//931130.5.g |
| 330 | PT00_DESCRIPTOR pT00; |
| 331 | PT01_DESCRIPTOR pT01; |
| 332 | u16 stmp; |
| 333 | u8 i, ctmp1, ctmp2, ctmpf; |
| 334 | u16 FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD; |
| 335 | |
| 336 | |
| 337 | stmp = pDes->buffer_total_size; |
| 338 | // |
| 339 | // Set USB header 8 byte |
| 340 | // |
| 341 | pT00 = (PT00_DESCRIPTOR)TargetBuffer; |
| 342 | TargetBuffer += 4; |
| 343 | pT01 = (PT01_DESCRIPTOR)TargetBuffer; |
| 344 | TargetBuffer += 4; |
| 345 | |
| 346 | pT00->value = 0;// Clear |
| 347 | pT01->value = 0;// Clear |
| 348 | |
| 349 | pT00->T00_tx_packet_id = pDes->Descriptor_ID;// Set packet ID |
| 350 | pT00->T00_header_length = 24;// Set header length |
| 351 | pT01->T01_retry_abort_ebable = 1;//921013 931130.5.h |
| 352 | |
| 353 | // Key ID setup |
| 354 | pT01->T01_wep_id = 0; |
| 355 | |
| 356 | FragmentThreshold = DEFAULT_FRAGMENT_THRESHOLD; //Do not fragment |
| 357 | // Copy full data, the 1'st buffer contain all the data 931130.5.j |
| 358 | memcpy( TargetBuffer, src_buffer, DOT_11_MAC_HEADER_SIZE );// Copy header |
| 359 | pDes->buffer_address[0] = src_buffer + DOT_11_MAC_HEADER_SIZE; |
| 360 | pDes->buffer_total_size -= DOT_11_MAC_HEADER_SIZE; |
| 361 | pDes->buffer_size[0] = pDes->buffer_total_size; |
| 362 | |
| 363 | // Set fragment threshold |
| 364 | FragmentThreshold -= (DOT_11_MAC_HEADER_SIZE + 4); |
| 365 | pDes->FragmentThreshold = FragmentThreshold; |
| 366 | |
| 367 | // Set more frag bit |
| 368 | TargetBuffer[1] |= 0x04;// Set more frag bit |
| 369 | |
| 370 | // |
| 371 | // Set tx rate |
| 372 | // |
| 373 | stmp = *(u16 *)(TargetBuffer+30); // 2n alignment address |
| 374 | |
| 375 | //Use basic rate |
| 376 | ctmp1 = ctmpf = CURRENT_TX_RATE_FOR_MNG; |
| 377 | |
| 378 | pDes->TxRate = ctmp1; |
| 379 | #ifdef _PE_TX_DUMP_ |
| 380 | WBDEBUG(("Tx rate =%x\n", ctmp1)); |
| 381 | #endif |
| 382 | |
| 383 | pT01->T01_modulation_type = (ctmp1%3) ? 0 : 1; |
| 384 | |
| 385 | for( i=0; i<2; i++ ) { |
| 386 | if( i == 1 ) |
| 387 | ctmp1 = ctmpf; |
| 388 | |
| 389 | pMds->TxRate[pDes->Descriptor_ID][i] = ctmp1; // backup the ta rate and fall back rate |
| 390 | |
| 391 | if( ctmp1 == 108) ctmp2 = 7; |
| 392 | else if( ctmp1 == 96 ) ctmp2 = 6; // Rate convert for USB |
| 393 | else if( ctmp1 == 72 ) ctmp2 = 5; |
| 394 | else if( ctmp1 == 48 ) ctmp2 = 4; |
| 395 | else if( ctmp1 == 36 ) ctmp2 = 3; |
| 396 | else if( ctmp1 == 24 ) ctmp2 = 2; |
| 397 | else if( ctmp1 == 18 ) ctmp2 = 1; |
| 398 | else if( ctmp1 == 12 ) ctmp2 = 0; |
| 399 | else if( ctmp1 == 22 ) ctmp2 = 3; |
| 400 | else if( ctmp1 == 11 ) ctmp2 = 2; |
| 401 | else if( ctmp1 == 4 ) ctmp2 = 1; |
| 402 | else ctmp2 = 0; // if( ctmp1 == 2 ) or default |
| 403 | |
| 404 | if( i == 0 ) |
| 405 | pT01->T01_transmit_rate = ctmp2; |
| 406 | else |
| 407 | pT01->T01_fall_back_rate = ctmp2; |
| 408 | } |
| 409 | |
| 410 | // |
| 411 | // Set preamble type |
| 412 | // |
| 413 | if ((pT01->T01_modulation_type == 0) && (pT01->T01_transmit_rate == 0)) // RATE_1M |
| 414 | pDes->PreambleMode = WLAN_PREAMBLE_TYPE_LONG; |
| 415 | else |
| 416 | pDes->PreambleMode = CURRENT_PREAMBLE_MODE; |
| 417 | pT01->T01_plcp_header_length = pDes->PreambleMode; // Set preamble |
| 418 | |
| 419 | } |
| 420 | |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 421 | void |
Pekka Enberg | 1e8a2b6 | 2008-10-30 16:14:38 +0200 | [diff] [blame] | 422 | Mds_Tx(struct wbsoft_priv * adapter) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 423 | { |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 424 | phw_data_t pHwData = &adapter->sHwData; |
| 425 | PMDS pMds = &adapter->Mds; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 426 | DESCRIPTOR TxDes; |
| 427 | PDESCRIPTOR pTxDes = &TxDes; |
Pekka Enberg | 8b384e0 | 2008-10-21 00:03:41 +0300 | [diff] [blame] | 428 | u8 *XmitBufAddress; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 429 | u16 XmitBufSize, PacketSize, stmp, CurrentSize, FragmentThreshold; |
| 430 | u8 FillIndex, TxDesIndex, FragmentCount, FillCount; |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 431 | unsigned char BufferFilled = false, MICAdd = 0; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 432 | |
| 433 | |
| 434 | if (pMds->TxPause) |
| 435 | return; |
| 436 | if (!hal_driver_init_OK(pHwData)) |
| 437 | return; |
| 438 | |
| 439 | //Only one thread can be run here |
Pekka Enberg | 44e8541 | 2008-10-29 20:10:32 +0200 | [diff] [blame] | 440 | if (!atomic_inc_return(&pMds->TxThreadCount) == 1) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 441 | goto cleanup; |
| 442 | |
| 443 | // Start to fill the data |
| 444 | do { |
| 445 | FillIndex = pMds->TxFillIndex; |
| 446 | if (pMds->TxOwner[FillIndex]) { // Is owned by software 0:Yes 1:No |
| 447 | #ifdef _PE_TX_DUMP_ |
| 448 | WBDEBUG(("[Mds_Tx] Tx Owner is H/W.\n")); |
| 449 | #endif |
| 450 | break; |
| 451 | } |
| 452 | |
| 453 | XmitBufAddress = pMds->pTxBuffer + (MAX_USB_TX_BUFFER * FillIndex); //Get buffer |
| 454 | XmitBufSize = 0; |
| 455 | FillCount = 0; |
| 456 | do { |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 457 | PacketSize = adapter->sMlmeFrame.len; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 458 | if (!PacketSize) |
| 459 | break; |
| 460 | |
| 461 | //For Check the buffer resource |
| 462 | FragmentThreshold = CURRENT_FRAGMENT_THRESHOLD; |
| 463 | //931130.5.b |
| 464 | FragmentCount = PacketSize/FragmentThreshold + 1; |
| 465 | stmp = PacketSize + FragmentCount*32 + 8;//931130.5.c 8:MIC |
| 466 | if ((XmitBufSize + stmp) >= MAX_USB_TX_BUFFER) { |
| 467 | printk("[Mds_Tx] Excess max tx buffer.\n"); |
| 468 | break; // buffer is not enough |
| 469 | } |
| 470 | |
| 471 | |
| 472 | // |
| 473 | // Start transmitting |
| 474 | // |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 475 | BufferFilled = true; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 476 | |
| 477 | /* Leaves first u8 intact */ |
Pekka Enberg | 8b384e0 | 2008-10-21 00:03:41 +0300 | [diff] [blame] | 478 | memset((u8 *)pTxDes + 1, 0, sizeof(DESCRIPTOR) - 1); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 479 | |
| 480 | TxDesIndex = pMds->TxDesIndex;//Get the current ID |
| 481 | pTxDes->Descriptor_ID = TxDesIndex; |
| 482 | pMds->TxDesFrom[ TxDesIndex ] = 2;//Storing the information of source comming from |
| 483 | pMds->TxDesIndex++; |
| 484 | pMds->TxDesIndex %= MAX_USB_TX_DESCRIPTOR; |
| 485 | |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 486 | MLME_GetNextPacket( adapter, pTxDes ); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 487 | |
| 488 | // Copy header. 8byte USB + 24byte 802.11Hdr. Set TxRate, Preamble type |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 489 | Mds_HeaderCopy( adapter, pTxDes, XmitBufAddress ); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 490 | |
| 491 | // For speed up Key setting |
| 492 | if (pTxDes->EapFix) { |
| 493 | #ifdef _PE_TX_DUMP_ |
| 494 | WBDEBUG(("35: EPA 4th frame detected. Size = %d\n", PacketSize)); |
| 495 | #endif |
| 496 | pHwData->IsKeyPreSet = 1; |
| 497 | } |
| 498 | |
| 499 | // Copy (fragment) frame body, and set USB, 802.11 hdr flag |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 500 | CurrentSize = Mds_BodyCopy(adapter, pTxDes, XmitBufAddress); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 501 | |
| 502 | // Set RTS/CTS and Normal duration field into buffer |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 503 | Mds_DurationSet(adapter, pTxDes, XmitBufAddress); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 504 | |
| 505 | // |
| 506 | // Calculation MIC from buffer which maybe fragment, then fill into temporary address 8 byte |
| 507 | // 931130.5.e |
| 508 | if (MICAdd) |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 509 | Mds_MicFill( adapter, pTxDes, XmitBufAddress ); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 510 | |
| 511 | //Shift to the next address |
| 512 | XmitBufSize += CurrentSize; |
| 513 | XmitBufAddress += CurrentSize; |
| 514 | |
| 515 | #ifdef _IBSS_BEACON_SEQ_STICK_ |
| 516 | if ((XmitBufAddress[ DOT_11_DA_OFFSET+8 ] & 0xfc) != MAC_SUBTYPE_MNGMNT_PROBE_REQUEST) // +8 for USB hdr |
| 517 | #endif |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 518 | pMds->TxToggle = true; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 519 | |
| 520 | // Get packet to transmit completed, 1:TESTSTA 2:MLME 3: Ndis data |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 521 | MLME_SendComplete(adapter, 0, true); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 522 | |
| 523 | // Software TSC count 20060214 |
| 524 | pMds->TxTsc++; |
| 525 | if (pMds->TxTsc == 0) |
| 526 | pMds->TxTsc_2++; |
| 527 | |
| 528 | FillCount++; // 20060928 |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 529 | } while (HAL_USB_MODE_BURST(pHwData)); // End of multiple MSDU copy loop. false = single true = multiple sending |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 530 | |
| 531 | // Move to the next one, if necessary |
| 532 | if (BufferFilled) { |
| 533 | // size setting |
| 534 | pMds->TxBufferSize[ FillIndex ] = XmitBufSize; |
| 535 | |
| 536 | // 20060928 set Tx count |
| 537 | pMds->TxCountInBuffer[FillIndex] = FillCount; |
| 538 | |
| 539 | // Set owner flag |
| 540 | pMds->TxOwner[FillIndex] = 1; |
| 541 | |
| 542 | pMds->TxFillIndex++; |
| 543 | pMds->TxFillIndex %= MAX_USB_TX_BUFFER_NUMBER; |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 544 | BufferFilled = false; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 545 | } else |
| 546 | break; |
| 547 | |
| 548 | if (!PacketSize) // No more pk for transmitting |
| 549 | break; |
| 550 | |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 551 | } while(true); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 552 | |
| 553 | // |
| 554 | // Start to send by lower module |
| 555 | // |
| 556 | if (!pHwData->IsKeyPreSet) |
Pekka Enberg | 42c84bb | 2008-10-30 16:14:36 +0200 | [diff] [blame] | 557 | Wb35Tx_start(adapter); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 558 | |
| 559 | cleanup: |
Pekka Enberg | 44e8541 | 2008-10-29 20:10:32 +0200 | [diff] [blame] | 560 | atomic_dec(&pMds->TxThreadCount); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 561 | } |
| 562 | |
| 563 | void |
Pekka Enberg | 1e8a2b6 | 2008-10-30 16:14:38 +0200 | [diff] [blame] | 564 | Mds_SendComplete(struct wbsoft_priv * adapter, PT02_DESCRIPTOR pT02) |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 565 | { |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 566 | PMDS pMds = &adapter->Mds; |
| 567 | phw_data_t pHwData = &adapter->sHwData; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 568 | u8 PacketId = (u8)pT02->T02_Tx_PktID; |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 569 | unsigned char SendOK = true; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 570 | u8 RetryCount, TxRate; |
| 571 | |
| 572 | if (pT02->T02_IgnoreResult) // Don't care the result |
| 573 | return; |
| 574 | if (pT02->T02_IsLastMpdu) { |
| 575 | //TODO: DTO -- get the retry count and fragment count |
| 576 | // Tx rate |
| 577 | TxRate = pMds->TxRate[ PacketId ][ 0 ]; |
| 578 | RetryCount = (u8)pT02->T02_MPDU_Cnt; |
| 579 | if (pT02->value & FLAG_ERROR_TX_MASK) { |
Pekka Enberg | 279b6cc | 2008-10-27 22:46:39 +0200 | [diff] [blame] | 580 | SendOK = false; |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 581 | |
| 582 | if (pT02->T02_transmit_abort || pT02->T02_out_of_MaxTxMSDULiftTime) { |
| 583 | //retry error |
| 584 | pHwData->dto_tx_retry_count += (RetryCount+1); |
| 585 | //[for tx debug] |
| 586 | if (RetryCount<7) |
| 587 | pHwData->tx_retry_count[RetryCount] += RetryCount; |
| 588 | else |
| 589 | pHwData->tx_retry_count[7] += RetryCount; |
| 590 | #ifdef _PE_STATE_DUMP_ |
| 591 | WBDEBUG(("dto_tx_retry_count =%d\n", pHwData->dto_tx_retry_count)); |
| 592 | #endif |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 593 | MTO_SetTxCount(adapter, TxRate, RetryCount); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 594 | } |
| 595 | pHwData->dto_tx_frag_count += (RetryCount+1); |
| 596 | |
| 597 | //[for tx debug] |
| 598 | if (pT02->T02_transmit_abort_due_to_TBTT) |
| 599 | pHwData->tx_TBTT_start_count++; |
| 600 | if (pT02->T02_transmit_without_encryption_due_to_wep_on_false) |
| 601 | pHwData->tx_WepOn_false_count++; |
| 602 | if (pT02->T02_discard_due_to_null_wep_key) |
| 603 | pHwData->tx_Null_key_count++; |
| 604 | } else { |
| 605 | if (pT02->T02_effective_transmission_rate) |
| 606 | pHwData->tx_ETR_count++; |
Pekka Enberg | 88ebc4b | 2008-10-22 11:03:19 +0300 | [diff] [blame] | 607 | MTO_SetTxCount(adapter, TxRate, RetryCount); |
Pavel Machek | 66101de | 2008-10-01 14:36:56 +0200 | [diff] [blame] | 608 | } |
| 609 | |
| 610 | // Clear send result buffer |
| 611 | pMds->TxResult[ PacketId ] = 0; |
| 612 | } else |
| 613 | pMds->TxResult[ PacketId ] |= ((u16)(pT02->value & 0x0ffff)); |
| 614 | } |