Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 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: dpc.c |
| 20 | * |
| 21 | * Purpose: handle dpc rx functions |
| 22 | * |
| 23 | * Author: Lyndon Chen |
| 24 | * |
| 25 | * Date: May 20, 2003 |
| 26 | * |
| 27 | * Functions: |
| 28 | * device_receive_frame - Rcv 802.11 frame function |
| 29 | * s_bAPModeRxCtl- AP Rcv frame filer Ctl. |
| 30 | * s_bAPModeRxData- AP Rcv data frame handle |
| 31 | * s_bHandleRxEncryption- Rcv decrypted data via on-fly |
| 32 | * s_bHostWepRxEncryption- Rcv encrypted data via host |
| 33 | * s_byGetRateIdx- get rate index |
| 34 | * s_vGetDASA- get data offset |
| 35 | * s_vProcessRxMACHeader- Rcv 802.11 and translate to 802.3 |
| 36 | * |
| 37 | * Revision History: |
| 38 | * |
| 39 | */ |
| 40 | |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 41 | #include "device.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 42 | #include "rxtx.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 43 | #include "tether.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 44 | #include "card.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 45 | #include "bssdb.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 46 | #include "mac.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 47 | #include "baseband.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 48 | #include "michael.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 49 | #include "tkip.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 50 | #include "tcrc.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 51 | #include "wctl.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 52 | #include "hostap.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 53 | #include "rf.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 54 | #include "iowpa.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 55 | #include "aes_ccmp.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 56 | #include "datarate.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 57 | #include "usbpipe.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 58 | |
| 59 | /*--------------------- Static Definitions -------------------------*/ |
| 60 | |
| 61 | /*--------------------- Static Classes ----------------------------*/ |
| 62 | |
| 63 | /*--------------------- Static Variables --------------------------*/ |
| 64 | //static int msglevel =MSG_LEVEL_DEBUG; |
| 65 | static int msglevel =MSG_LEVEL_INFO; |
| 66 | |
| 67 | const BYTE acbyRxRate[MAX_RATE] = |
| 68 | {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108}; |
| 69 | |
| 70 | |
| 71 | /*--------------------- Static Functions --------------------------*/ |
| 72 | |
| 73 | /*--------------------- Static Definitions -------------------------*/ |
| 74 | |
| 75 | /*--------------------- Static Functions --------------------------*/ |
| 76 | |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 77 | static BYTE s_byGetRateIdx(BYTE byRate); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 78 | |
| 79 | static |
Andres More | 8611a29 | 2010-05-01 14:25:00 -0300 | [diff] [blame] | 80 | void |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 81 | s_vGetDASA( |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 82 | PBYTE pbyRxBufferAddr, |
Roel Van Nyen | 93a94c4 | 2010-07-30 10:22:19 +0200 | [diff] [blame] | 83 | unsigned int *pcbHeaderSize, |
Andres More | 6f8c13c | 2010-05-04 20:40:10 -0300 | [diff] [blame] | 84 | PSEthernetHeader psEthHeader |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 85 | ); |
| 86 | |
| 87 | static |
Andres More | 8611a29 | 2010-05-01 14:25:00 -0300 | [diff] [blame] | 88 | void |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 89 | s_vProcessRxMACHeader ( |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 90 | PSDevice pDevice, |
| 91 | PBYTE pbyRxBufferAddr, |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 92 | unsigned int cbPacketSize, |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 93 | BOOL bIsWEP, |
| 94 | BOOL bExtIV, |
Roel Van Nyen | 93a94c4 | 2010-07-30 10:22:19 +0200 | [diff] [blame] | 95 | unsigned int *pcbHeadSize |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 96 | ); |
| 97 | |
| 98 | static BOOL s_bAPModeRxCtl( |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 99 | PSDevice pDevice, |
| 100 | PBYTE pbyFrame, |
Andres More | 213d2e9 | 2010-05-17 21:34:00 -0300 | [diff] [blame] | 101 | signed int iSANodeIndex |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 102 | ); |
| 103 | |
| 104 | |
| 105 | |
| 106 | static BOOL s_bAPModeRxData ( |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 107 | PSDevice pDevice, |
| 108 | struct sk_buff *skb, |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 109 | unsigned int FrameSize, |
| 110 | unsigned int cbHeaderOffset, |
Andres More | 213d2e9 | 2010-05-17 21:34:00 -0300 | [diff] [blame] | 111 | signed int iSANodeIndex, |
| 112 | signed int iDANodeIndex |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 113 | ); |
| 114 | |
| 115 | |
| 116 | static BOOL s_bHandleRxEncryption( |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 117 | PSDevice pDevice, |
| 118 | PBYTE pbyFrame, |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 119 | unsigned int FrameSize, |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 120 | PBYTE pbyRsr, |
Andres More | 6f8c13c | 2010-05-04 20:40:10 -0300 | [diff] [blame] | 121 | PBYTE pbyNewRsr, |
| 122 | PSKeyItem * pKeyOut, |
Jim Lieb | 193a823 | 2009-08-12 14:54:06 -0700 | [diff] [blame] | 123 | int * pbExtIV, |
Andres More | 6f8c13c | 2010-05-04 20:40:10 -0300 | [diff] [blame] | 124 | PWORD pwRxTSC15_0, |
| 125 | PDWORD pdwRxTSC47_16 |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 126 | ); |
| 127 | |
| 128 | static BOOL s_bHostWepRxEncryption( |
| 129 | |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 130 | PSDevice pDevice, |
| 131 | PBYTE pbyFrame, |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 132 | unsigned int FrameSize, |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 133 | PBYTE pbyRsr, |
| 134 | BOOL bOnFly, |
| 135 | PSKeyItem pKey, |
Andres More | 6f8c13c | 2010-05-04 20:40:10 -0300 | [diff] [blame] | 136 | PBYTE pbyNewRsr, |
Jim Lieb | 193a823 | 2009-08-12 14:54:06 -0700 | [diff] [blame] | 137 | int * pbExtIV, |
Andres More | 6f8c13c | 2010-05-04 20:40:10 -0300 | [diff] [blame] | 138 | PWORD pwRxTSC15_0, |
| 139 | PDWORD pdwRxTSC47_16 |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 140 | |
| 141 | ); |
| 142 | |
| 143 | /*--------------------- Export Variables --------------------------*/ |
| 144 | |
| 145 | /*+ |
| 146 | * |
| 147 | * Description: |
| 148 | * Translate Rcv 802.11 header to 802.3 header with Rx buffer |
| 149 | * |
| 150 | * Parameters: |
| 151 | * In: |
| 152 | * pDevice |
| 153 | * dwRxBufferAddr - Address of Rcv Buffer |
| 154 | * cbPacketSize - Rcv Packet size |
| 155 | * bIsWEP - If Rcv with WEP |
| 156 | * Out: |
| 157 | * pcbHeaderSize - 802.11 header size |
| 158 | * |
| 159 | * Return Value: None |
| 160 | * |
| 161 | -*/ |
| 162 | static |
Andres More | 8611a29 | 2010-05-01 14:25:00 -0300 | [diff] [blame] | 163 | void |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 164 | s_vProcessRxMACHeader ( |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 165 | PSDevice pDevice, |
| 166 | PBYTE pbyRxBufferAddr, |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 167 | unsigned int cbPacketSize, |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 168 | BOOL bIsWEP, |
| 169 | BOOL bExtIV, |
Roel Van Nyen | 93a94c4 | 2010-07-30 10:22:19 +0200 | [diff] [blame] | 170 | unsigned int *pcbHeadSize |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 171 | ) |
| 172 | { |
| 173 | PBYTE pbyRxBuffer; |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 174 | unsigned int cbHeaderSize = 0; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 175 | PWORD pwType; |
| 176 | PS802_11Header pMACHeader; |
| 177 | int ii; |
| 178 | |
| 179 | |
| 180 | pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize); |
| 181 | |
| 182 | s_vGetDASA((PBYTE)pMACHeader, &cbHeaderSize, &pDevice->sRxEthHeader); |
| 183 | |
| 184 | if (bIsWEP) { |
| 185 | if (bExtIV) { |
| 186 | // strip IV&ExtIV , add 8 byte |
| 187 | cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 8); |
| 188 | } else { |
| 189 | // strip IV , add 4 byte |
| 190 | cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 4); |
| 191 | } |
| 192 | } |
| 193 | else { |
| 194 | cbHeaderSize += WLAN_HDR_ADDR3_LEN; |
| 195 | }; |
| 196 | |
| 197 | pbyRxBuffer = (PBYTE) (pbyRxBufferAddr + cbHeaderSize); |
Andres More | 4722a26 | 2010-06-23 20:38:10 -0300 | [diff] [blame] | 198 | if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_Bridgetunnel[0])) { |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 199 | cbHeaderSize += 6; |
Andres More | 4722a26 | 2010-06-23 20:38:10 -0300 | [diff] [blame] | 200 | } else if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) { |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 201 | cbHeaderSize += 6; |
| 202 | pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize); |
Andres More | 203e461 | 2010-08-04 19:12:34 -0300 | [diff] [blame] | 203 | if ((*pwType == cpu_to_le16(ETH_P_IPX)) || |
| 204 | (*pwType == cpu_to_le16(0xF380))) { |
| 205 | cbHeaderSize -= 8; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 206 | pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize); |
| 207 | if (bIsWEP) { |
| 208 | if (bExtIV) { |
| 209 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV |
| 210 | } else { |
| 211 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV |
| 212 | } |
| 213 | } |
| 214 | else { |
| 215 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN); |
| 216 | } |
| 217 | } |
| 218 | } |
| 219 | else { |
| 220 | cbHeaderSize -= 2; |
| 221 | pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize); |
| 222 | if (bIsWEP) { |
| 223 | if (bExtIV) { |
| 224 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV |
| 225 | } else { |
| 226 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV |
| 227 | } |
| 228 | } |
| 229 | else { |
| 230 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN); |
| 231 | } |
| 232 | } |
| 233 | |
Andres More | 9a0e756 | 2010-04-13 21:54:48 -0300 | [diff] [blame] | 234 | cbHeaderSize -= (ETH_ALEN * 2); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 235 | pbyRxBuffer = (PBYTE) (pbyRxBufferAddr + cbHeaderSize); |
Andres More | 9a0e756 | 2010-04-13 21:54:48 -0300 | [diff] [blame] | 236 | for (ii = 0; ii < ETH_ALEN; ii++) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 237 | *pbyRxBuffer++ = pDevice->sRxEthHeader.abyDstAddr[ii]; |
Andres More | 9a0e756 | 2010-04-13 21:54:48 -0300 | [diff] [blame] | 238 | for (ii = 0; ii < ETH_ALEN; ii++) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 239 | *pbyRxBuffer++ = pDevice->sRxEthHeader.abySrcAddr[ii]; |
| 240 | |
| 241 | *pcbHeadSize = cbHeaderSize; |
| 242 | } |
| 243 | |
| 244 | |
| 245 | |
| 246 | |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 247 | static BYTE s_byGetRateIdx(BYTE byRate) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 248 | { |
| 249 | BYTE byRateIdx; |
| 250 | |
| 251 | for (byRateIdx = 0; byRateIdx <MAX_RATE ; byRateIdx++) { |
| 252 | if (acbyRxRate[byRateIdx%MAX_RATE] == byRate) |
| 253 | return byRateIdx; |
| 254 | } |
| 255 | return 0; |
| 256 | } |
| 257 | |
| 258 | |
| 259 | static |
Andres More | 8611a29 | 2010-05-01 14:25:00 -0300 | [diff] [blame] | 260 | void |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 261 | s_vGetDASA ( |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 262 | PBYTE pbyRxBufferAddr, |
Roel Van Nyen | 93a94c4 | 2010-07-30 10:22:19 +0200 | [diff] [blame] | 263 | unsigned int *pcbHeaderSize, |
Andres More | 6f8c13c | 2010-05-04 20:40:10 -0300 | [diff] [blame] | 264 | PSEthernetHeader psEthHeader |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 265 | ) |
| 266 | { |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 267 | unsigned int cbHeaderSize = 0; |
Andres More | 9a0e756 | 2010-04-13 21:54:48 -0300 | [diff] [blame] | 268 | PS802_11Header pMACHeader; |
| 269 | int ii; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 270 | |
Andres More | 9a0e756 | 2010-04-13 21:54:48 -0300 | [diff] [blame] | 271 | pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 272 | |
Andres More | 9a0e756 | 2010-04-13 21:54:48 -0300 | [diff] [blame] | 273 | if ((pMACHeader->wFrameCtl & FC_TODS) == 0) { |
| 274 | if (pMACHeader->wFrameCtl & FC_FROMDS) { |
| 275 | for (ii = 0; ii < ETH_ALEN; ii++) { |
| 276 | psEthHeader->abyDstAddr[ii] = |
| 277 | pMACHeader->abyAddr1[ii]; |
| 278 | psEthHeader->abySrcAddr[ii] = |
| 279 | pMACHeader->abyAddr3[ii]; |
| 280 | } |
| 281 | } else { |
| 282 | /* IBSS mode */ |
| 283 | for (ii = 0; ii < ETH_ALEN; ii++) { |
| 284 | psEthHeader->abyDstAddr[ii] = |
| 285 | pMACHeader->abyAddr1[ii]; |
| 286 | psEthHeader->abySrcAddr[ii] = |
| 287 | pMACHeader->abyAddr2[ii]; |
| 288 | } |
| 289 | } |
| 290 | } else { |
| 291 | /* Is AP mode.. */ |
| 292 | if (pMACHeader->wFrameCtl & FC_FROMDS) { |
| 293 | for (ii = 0; ii < ETH_ALEN; ii++) { |
| 294 | psEthHeader->abyDstAddr[ii] = |
| 295 | pMACHeader->abyAddr3[ii]; |
| 296 | psEthHeader->abySrcAddr[ii] = |
| 297 | pMACHeader->abyAddr4[ii]; |
| 298 | cbHeaderSize += 6; |
| 299 | } |
| 300 | } else { |
| 301 | for (ii = 0; ii < ETH_ALEN; ii++) { |
| 302 | psEthHeader->abyDstAddr[ii] = |
| 303 | pMACHeader->abyAddr3[ii]; |
| 304 | psEthHeader->abySrcAddr[ii] = |
| 305 | pMACHeader->abyAddr2[ii]; |
| 306 | } |
| 307 | } |
| 308 | }; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 309 | *pcbHeaderSize = cbHeaderSize; |
| 310 | } |
| 311 | |
| 312 | |
| 313 | |
| 314 | |
| 315 | BOOL |
| 316 | RXbBulkInProcessData ( |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 317 | PSDevice pDevice, |
| 318 | PRCB pRCB, |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 319 | unsigned long BytesToIndicate |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 320 | ) |
| 321 | { |
| 322 | |
| 323 | struct net_device_stats* pStats=&pDevice->stats; |
| 324 | struct sk_buff* skb; |
| 325 | PSMgmtObject pMgmt = &(pDevice->sMgmtObj); |
| 326 | PSRxMgmtPacket pRxPacket = &(pMgmt->sRxPacket); |
| 327 | PS802_11Header p802_11Header; |
| 328 | PBYTE pbyRsr; |
| 329 | PBYTE pbyNewRsr; |
| 330 | PBYTE pbyRSSI; |
| 331 | PQWORD pqwTSFTime; |
| 332 | PBYTE pbyFrame; |
| 333 | BOOL bDeFragRx = FALSE; |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 334 | unsigned int cbHeaderOffset; |
| 335 | unsigned int FrameSize; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 336 | WORD wEtherType = 0; |
Andres More | 213d2e9 | 2010-05-17 21:34:00 -0300 | [diff] [blame] | 337 | signed int iSANodeIndex = -1; |
| 338 | signed int iDANodeIndex = -1; |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 339 | unsigned int ii; |
| 340 | unsigned int cbIVOffset; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 341 | PBYTE pbyRxSts; |
| 342 | PBYTE pbyRxRate; |
| 343 | PBYTE pbySQ; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 344 | PBYTE pby3SQ; |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 345 | unsigned int cbHeaderSize; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 346 | PSKeyItem pKey = NULL; |
| 347 | WORD wRxTSC15_0 = 0; |
| 348 | DWORD dwRxTSC47_16 = 0; |
| 349 | SKeyItem STempKey; |
| 350 | // 802.11h RPI |
Andres More | 213d2e9 | 2010-05-17 21:34:00 -0300 | [diff] [blame] | 351 | /* signed long ldBm = 0; */ |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 352 | BOOL bIsWEP = FALSE; |
| 353 | BOOL bExtIV = FALSE; |
| 354 | DWORD dwWbkStatus; |
| 355 | PRCB pRCBIndicate = pRCB; |
| 356 | PBYTE pbyDAddress; |
| 357 | PWORD pwPLCP_Length; |
| 358 | BYTE abyVaildRate[MAX_RATE] = {2,4,11,22,12,18,24,36,48,72,96,108}; |
| 359 | WORD wPLCPwithPadding; |
| 360 | PS802_11Header pMACHeader; |
| 361 | BOOL bRxeapol_key = FALSE; |
| 362 | |
| 363 | |
| 364 | |
| 365 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- RXbBulkInProcessData---\n"); |
| 366 | |
| 367 | skb = pRCB->skb; |
| 368 | |
| 369 | //[31:16]RcvByteCount ( not include 4-byte Status ) |
| 370 | dwWbkStatus = *( (PDWORD)(skb->data) ); |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 371 | FrameSize = (unsigned int)(dwWbkStatus >> 16); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 372 | FrameSize += 4; |
| 373 | |
| 374 | if (BytesToIndicate != FrameSize) { |
| 375 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 1 \n"); |
| 376 | return FALSE; |
| 377 | } |
| 378 | |
Andres More | bd2bc4c | 2010-08-02 23:35:57 -0300 | [diff] [blame] | 379 | if ((BytesToIndicate > 2372) || (BytesToIndicate <= 40)) { |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 380 | // Frame Size error drop this packet. |
Andres More | bd2bc4c | 2010-08-02 23:35:57 -0300 | [diff] [blame] | 381 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---------- WRONG Length 2\n"); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 382 | return FALSE; |
| 383 | } |
| 384 | |
| 385 | pbyDAddress = (PBYTE)(skb->data); |
| 386 | pbyRxSts = pbyDAddress+4; |
| 387 | pbyRxRate = pbyDAddress+5; |
| 388 | |
| 389 | //real Frame Size = USBFrameSize -4WbkStatus - 4RxStatus - 8TSF - 4RSR - 4SQ3 - ?Padding |
| 390 | //if SQ3 the range is 24~27, if no SQ3 the range is 20~23 |
| 391 | //real Frame size in PLCPLength field. |
| 392 | pwPLCP_Length = (PWORD) (pbyDAddress + 6); |
| 393 | //Fix hardware bug => PLCP_Length error |
| 394 | if ( ((BytesToIndicate - (*pwPLCP_Length)) > 27) || |
| 395 | ((BytesToIndicate - (*pwPLCP_Length)) < 24) || |
| 396 | (BytesToIndicate < (*pwPLCP_Length)) ) { |
| 397 | |
| 398 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Wrong PLCP Length %x\n", (int) *pwPLCP_Length); |
| 399 | ASSERT(0); |
| 400 | return FALSE; |
| 401 | } |
| 402 | for ( ii=RATE_1M;ii<MAX_RATE;ii++) { |
| 403 | if ( *pbyRxRate == abyVaildRate[ii] ) { |
| 404 | break; |
| 405 | } |
| 406 | } |
| 407 | if ( ii==MAX_RATE ) { |
| 408 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Wrong RxRate %x\n",(int) *pbyRxRate); |
| 409 | return FALSE; |
| 410 | } |
| 411 | |
| 412 | wPLCPwithPadding = ( (*pwPLCP_Length / 4) + ( (*pwPLCP_Length % 4) ? 1:0 ) ) *4; |
| 413 | |
| 414 | pqwTSFTime = (PQWORD) (pbyDAddress + 8 + wPLCPwithPadding); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 415 | if(pDevice->byBBType == BB_TYPE_11G) { |
| 416 | pby3SQ = pbyDAddress + 8 + wPLCPwithPadding + 12; |
| 417 | pbySQ = pby3SQ; |
| 418 | } |
| 419 | else { |
| 420 | pbySQ = pbyDAddress + 8 + wPLCPwithPadding + 8; |
| 421 | pby3SQ = pbySQ; |
| 422 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 423 | pbyNewRsr = pbyDAddress + 8 + wPLCPwithPadding + 9; |
| 424 | pbyRSSI = pbyDAddress + 8 + wPLCPwithPadding + 10; |
| 425 | pbyRsr = pbyDAddress + 8 + wPLCPwithPadding + 11; |
| 426 | |
| 427 | FrameSize = *pwPLCP_Length; |
| 428 | |
| 429 | pbyFrame = pbyDAddress + 8; |
| 430 | // update receive statistic counter |
| 431 | |
| 432 | STAvUpdateRDStatCounter(&pDevice->scStatistic, |
| 433 | *pbyRsr, |
| 434 | *pbyNewRsr, |
| 435 | *pbyRxSts, |
| 436 | *pbyRxRate, |
| 437 | pbyFrame, |
| 438 | FrameSize |
| 439 | ); |
| 440 | |
| 441 | |
| 442 | pMACHeader = (PS802_11Header) pbyFrame; |
| 443 | |
| 444 | //mike add: to judge if current AP is activated? |
| 445 | if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) || |
| 446 | (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) { |
| 447 | if (pMgmt->sNodeDBTable[0].bActive) { |
Andres More | 4722a26 | 2010-06-23 20:38:10 -0300 | [diff] [blame] | 448 | if (!compare_ether_addr(pMgmt->abyCurrBSSID, pMACHeader->abyAddr2)) { |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 449 | if (pMgmt->sNodeDBTable[0].uInActiveCount != 0) |
| 450 | pMgmt->sNodeDBTable[0].uInActiveCount = 0; |
| 451 | } |
| 452 | } |
| 453 | } |
| 454 | |
Andres More | 4b50fb4 | 2010-06-22 21:57:42 -0300 | [diff] [blame] | 455 | if (!is_multicast_ether_addr(pMACHeader->abyAddr1) && !is_broadcast_ether_addr(pMACHeader->abyAddr1)) { |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 456 | if ( WCTLbIsDuplicate(&(pDevice->sDupRxCache), (PS802_11Header) pbyFrame) ) { |
| 457 | pDevice->s802_11Counter.FrameDuplicateCount++; |
| 458 | return FALSE; |
| 459 | } |
| 460 | |
Andres More | 4722a26 | 2010-06-23 20:38:10 -0300 | [diff] [blame] | 461 | if (compare_ether_addr(pDevice->abyCurrentNetAddr, |
| 462 | pMACHeader->abyAddr1)) { |
| 463 | return FALSE; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 464 | } |
| 465 | } |
| 466 | |
| 467 | |
| 468 | // Use for TKIP MIC |
| 469 | s_vGetDASA(pbyFrame, &cbHeaderSize, &pDevice->sRxEthHeader); |
| 470 | |
Andres More | 4722a26 | 2010-06-23 20:38:10 -0300 | [diff] [blame] | 471 | if (!compare_ether_addr((PBYTE)&(pDevice->sRxEthHeader.abySrcAddr[0]), |
| 472 | pDevice->abyCurrentNetAddr)) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 473 | return FALSE; |
| 474 | |
| 475 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) { |
| 476 | if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) { |
| 477 | p802_11Header = (PS802_11Header) (pbyFrame); |
| 478 | // get SA NodeIndex |
| 479 | if (BSSbIsSTAInNodeDB(pDevice, (PBYTE)(p802_11Header->abyAddr2), &iSANodeIndex)) { |
| 480 | pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies; |
| 481 | pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0; |
| 482 | } |
| 483 | } |
| 484 | } |
| 485 | |
| 486 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { |
| 487 | if (s_bAPModeRxCtl(pDevice, pbyFrame, iSANodeIndex) == TRUE) { |
| 488 | return FALSE; |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | |
| 493 | if (IS_FC_WEP(pbyFrame)) { |
| 494 | BOOL bRxDecryOK = FALSE; |
| 495 | |
| 496 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"rx WEP pkt\n"); |
| 497 | bIsWEP = TRUE; |
| 498 | if ((pDevice->bEnableHostWEP) && (iSANodeIndex >= 0)) { |
| 499 | pKey = &STempKey; |
| 500 | pKey->byCipherSuite = pMgmt->sNodeDBTable[iSANodeIndex].byCipherSuite; |
| 501 | pKey->dwKeyIndex = pMgmt->sNodeDBTable[iSANodeIndex].dwKeyIndex; |
| 502 | pKey->uKeyLength = pMgmt->sNodeDBTable[iSANodeIndex].uWepKeyLength; |
| 503 | pKey->dwTSC47_16 = pMgmt->sNodeDBTable[iSANodeIndex].dwTSC47_16; |
| 504 | pKey->wTSC15_0 = pMgmt->sNodeDBTable[iSANodeIndex].wTSC15_0; |
| 505 | memcpy(pKey->abyKey, |
| 506 | &pMgmt->sNodeDBTable[iSANodeIndex].abyWepKey[0], |
| 507 | pKey->uKeyLength |
| 508 | ); |
| 509 | |
| 510 | bRxDecryOK = s_bHostWepRxEncryption(pDevice, |
| 511 | pbyFrame, |
| 512 | FrameSize, |
| 513 | pbyRsr, |
| 514 | pMgmt->sNodeDBTable[iSANodeIndex].bOnFly, |
| 515 | pKey, |
| 516 | pbyNewRsr, |
| 517 | &bExtIV, |
| 518 | &wRxTSC15_0, |
| 519 | &dwRxTSC47_16); |
| 520 | } else { |
| 521 | bRxDecryOK = s_bHandleRxEncryption(pDevice, |
| 522 | pbyFrame, |
| 523 | FrameSize, |
| 524 | pbyRsr, |
| 525 | pbyNewRsr, |
| 526 | &pKey, |
| 527 | &bExtIV, |
| 528 | &wRxTSC15_0, |
| 529 | &dwRxTSC47_16); |
| 530 | } |
| 531 | |
| 532 | if (bRxDecryOK) { |
| 533 | if ((*pbyNewRsr & NEWRSR_DECRYPTOK) == 0) { |
| 534 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV Fail\n"); |
| 535 | if ( (pMgmt->eAuthenMode == WMAC_AUTH_WPA) || |
| 536 | (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) || |
| 537 | (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) || |
| 538 | (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || |
| 539 | (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) { |
| 540 | |
| 541 | if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) { |
| 542 | pDevice->s802_11Counter.TKIPICVErrors++; |
| 543 | } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) { |
| 544 | pDevice->s802_11Counter.CCMPDecryptErrors++; |
| 545 | } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_WEP)) { |
| 546 | // pDevice->s802_11Counter.WEPICVErrorCount.QuadPart++; |
| 547 | } |
| 548 | } |
| 549 | return FALSE; |
| 550 | } |
| 551 | } else { |
| 552 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"WEP Func Fail\n"); |
| 553 | return FALSE; |
| 554 | } |
| 555 | if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) |
| 556 | FrameSize -= 8; // Message Integrity Code |
| 557 | else |
| 558 | FrameSize -= 4; // 4 is ICV |
| 559 | } |
| 560 | |
| 561 | |
| 562 | // |
| 563 | // RX OK |
| 564 | // |
Andres More | abad19d | 2010-07-12 16:28:32 -0300 | [diff] [blame] | 565 | /* remove the FCS/CRC length */ |
| 566 | FrameSize -= ETH_FCS_LEN; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 567 | |
Jim Lieb | 8a3d91b | 2009-08-12 14:54:15 -0700 | [diff] [blame] | 568 | if ( !(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) && // unicast address |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 569 | (IS_FRAGMENT_PKT((pbyFrame))) |
| 570 | ) { |
| 571 | // defragment |
| 572 | bDeFragRx = WCTLbHandleFragment(pDevice, (PS802_11Header) (pbyFrame), FrameSize, bIsWEP, bExtIV); |
| 573 | pDevice->s802_11Counter.ReceivedFragmentCount++; |
| 574 | if (bDeFragRx) { |
| 575 | // defrag complete |
| 576 | // TODO skb, pbyFrame |
| 577 | skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb; |
| 578 | FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength; |
| 579 | pbyFrame = skb->data + 8; |
| 580 | } |
| 581 | else { |
| 582 | return FALSE; |
| 583 | } |
| 584 | } |
| 585 | |
| 586 | // |
| 587 | // Management & Control frame Handle |
| 588 | // |
| 589 | if ((IS_TYPE_DATA((pbyFrame))) == FALSE) { |
| 590 | // Handle Control & Manage Frame |
| 591 | |
| 592 | if (IS_TYPE_MGMT((pbyFrame))) { |
| 593 | PBYTE pbyData1; |
| 594 | PBYTE pbyData2; |
| 595 | |
| 596 | pRxPacket = &(pRCB->sMngPacket); |
| 597 | pRxPacket->p80211Header = (PUWLAN_80211HDR)(pbyFrame); |
| 598 | pRxPacket->cbMPDULen = FrameSize; |
| 599 | pRxPacket->uRSSI = *pbyRSSI; |
| 600 | pRxPacket->bySQ = *pbySQ; |
| 601 | HIDWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(HIDWORD(*pqwTSFTime)); |
| 602 | LODWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(LODWORD(*pqwTSFTime)); |
| 603 | if (bIsWEP) { |
| 604 | // strip IV |
| 605 | pbyData1 = WLAN_HDR_A3_DATA_PTR(pbyFrame); |
| 606 | pbyData2 = WLAN_HDR_A3_DATA_PTR(pbyFrame) + 4; |
| 607 | for (ii = 0; ii < (FrameSize - 4); ii++) { |
| 608 | *pbyData1 = *pbyData2; |
| 609 | pbyData1++; |
| 610 | pbyData2++; |
| 611 | } |
| 612 | } |
| 613 | |
| 614 | pRxPacket->byRxRate = s_byGetRateIdx(*pbyRxRate); |
| 615 | |
| 616 | if ( *pbyRxSts == 0 ) { |
| 617 | //Discard beacon packet which channel is 0 |
| 618 | if ( (WLAN_GET_FC_FSTYPE((pRxPacket->p80211Header->sA3.wFrameCtl)) == WLAN_FSTYPE_BEACON) || |
| 619 | (WLAN_GET_FC_FSTYPE((pRxPacket->p80211Header->sA3.wFrameCtl)) == WLAN_FSTYPE_PROBERESP) ) { |
| 620 | return TRUE; |
| 621 | } |
| 622 | } |
| 623 | pRxPacket->byRxChannel = (*pbyRxSts) >> 2; |
| 624 | |
| 625 | // hostap Deamon handle 802.11 management |
| 626 | if (pDevice->bEnableHostapd) { |
| 627 | skb->dev = pDevice->apdev; |
| 628 | //skb->data += 4; |
| 629 | //skb->tail += 4; |
| 630 | skb->data += 8; |
| 631 | skb->tail += 8; |
| 632 | skb_put(skb, FrameSize); |
Jim Lieb | d899d403 | 2009-07-23 17:22:42 -0700 | [diff] [blame] | 633 | skb_reset_mac_header(skb); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 634 | skb->pkt_type = PACKET_OTHERHOST; |
| 635 | skb->protocol = htons(ETH_P_802_2); |
| 636 | memset(skb->cb, 0, sizeof(skb->cb)); |
| 637 | netif_rx(skb); |
| 638 | return TRUE; |
| 639 | } |
| 640 | |
| 641 | // |
| 642 | // Insert the RCB in the Recv Mng list |
| 643 | // |
| 644 | EnqueueRCB(pDevice->FirstRecvMngList, pDevice->LastRecvMngList, pRCBIndicate); |
| 645 | pDevice->NumRecvMngList++; |
| 646 | if ( bDeFragRx == FALSE) { |
| 647 | pRCB->Ref++; |
| 648 | } |
| 649 | if (pDevice->bIsRxMngWorkItemQueued == FALSE) { |
| 650 | pDevice->bIsRxMngWorkItemQueued = TRUE; |
| 651 | tasklet_schedule(&pDevice->RxMngWorkItem); |
| 652 | } |
| 653 | |
| 654 | } |
| 655 | else { |
| 656 | // Control Frame |
| 657 | }; |
| 658 | return FALSE; |
| 659 | } |
| 660 | else { |
| 661 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { |
| 662 | //In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC. |
Jim Lieb | 8a3d91b | 2009-08-12 14:54:15 -0700 | [diff] [blame] | 663 | if ( !(*pbyRsr & RSR_BSSIDOK)) { |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 664 | if (bDeFragRx) { |
| 665 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { |
| 666 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", |
| 667 | pDevice->dev->name); |
| 668 | } |
| 669 | } |
| 670 | return FALSE; |
| 671 | } |
| 672 | } |
| 673 | else { |
| 674 | // discard DATA packet while not associate || BSSID error |
| 675 | if ((pDevice->bLinkPass == FALSE) || |
Jim Lieb | 8a3d91b | 2009-08-12 14:54:15 -0700 | [diff] [blame] | 676 | !(*pbyRsr & RSR_BSSIDOK)) { |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 677 | if (bDeFragRx) { |
| 678 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { |
| 679 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", |
| 680 | pDevice->dev->name); |
| 681 | } |
| 682 | } |
| 683 | return FALSE; |
| 684 | } |
| 685 | //mike add:station mode check eapol-key challenge---> |
| 686 | { |
| 687 | BYTE Protocol_Version; //802.1x Authentication |
| 688 | BYTE Packet_Type; //802.1x Authentication |
| 689 | BYTE Descriptor_type; |
| 690 | WORD Key_info; |
| 691 | if (bIsWEP) |
| 692 | cbIVOffset = 8; |
| 693 | else |
| 694 | cbIVOffset = 0; |
| 695 | wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) | |
| 696 | skb->data[cbIVOffset + 8 + 24 + 6 + 1]; |
| 697 | Protocol_Version = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1]; |
| 698 | Packet_Type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1]; |
| 699 | if (wEtherType == ETH_P_PAE) { //Protocol Type in LLC-Header |
| 700 | if(((Protocol_Version==1) ||(Protocol_Version==2)) && |
| 701 | (Packet_Type==3)) { //802.1x OR eapol-key challenge frame receive |
| 702 | bRxeapol_key = TRUE; |
| 703 | Descriptor_type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1+1+2]; |
| 704 | Key_info = (skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1+1+2+1]<<8) |skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1+1+2+2] ; |
| 705 | if(Descriptor_type==2) { //RSN |
| 706 | // printk("WPA2_Rx_eapol-key_info<-----:%x\n",Key_info); |
| 707 | } |
| 708 | else if(Descriptor_type==254) { |
| 709 | // printk("WPA_Rx_eapol-key_info<-----:%x\n",Key_info); |
| 710 | } |
| 711 | } |
| 712 | } |
| 713 | } |
| 714 | //mike add:station mode check eapol-key challenge<--- |
| 715 | } |
| 716 | } |
| 717 | |
| 718 | |
| 719 | // Data frame Handle |
| 720 | |
| 721 | |
| 722 | if (pDevice->bEnablePSMode) { |
| 723 | if (IS_FC_MOREDATA((pbyFrame))) { |
Jim Lieb | 8a3d91b | 2009-08-12 14:54:15 -0700 | [diff] [blame] | 724 | if (*pbyRsr & RSR_ADDROK) { |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 725 | //PSbSendPSPOLL((PSDevice)pDevice); |
| 726 | } |
| 727 | } |
| 728 | else { |
| 729 | if (pMgmt->bInTIMWake == TRUE) { |
| 730 | pMgmt->bInTIMWake = FALSE; |
| 731 | } |
| 732 | } |
Joe Perches | 9fc8602 | 2011-04-10 14:31:32 -0700 | [diff] [blame] | 733 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 734 | |
| 735 | // Now it only supports 802.11g Infrastructure Mode, and support rate must up to 54 Mbps |
| 736 | if (pDevice->bDiversityEnable && (FrameSize>50) && |
| 737 | (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) && |
| 738 | (pDevice->bLinkPass == TRUE)) { |
| 739 | BBvAntennaDiversity(pDevice, s_byGetRateIdx(*pbyRxRate), 0); |
| 740 | } |
| 741 | |
| 742 | // ++++++++ For BaseBand Algorithm +++++++++++++++ |
| 743 | pDevice->uCurrRSSI = *pbyRSSI; |
| 744 | pDevice->byCurrSQ = *pbySQ; |
| 745 | |
| 746 | // todo |
| 747 | /* |
| 748 | if ((*pbyRSSI != 0) && |
| 749 | (pMgmt->pCurrBSS!=NULL)) { |
| 750 | RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm); |
| 751 | // Moniter if RSSI is too strong. |
| 752 | pMgmt->pCurrBSS->byRSSIStatCnt++; |
| 753 | pMgmt->pCurrBSS->byRSSIStatCnt %= RSSI_STAT_COUNT; |
| 754 | pMgmt->pCurrBSS->ldBmAverage[pMgmt->pCurrBSS->byRSSIStatCnt] = ldBm; |
Andres More | 33d33e42 | 2010-05-19 23:50:00 -0300 | [diff] [blame] | 755 | for (ii = 0; ii < RSSI_STAT_COUNT; ii++) { |
| 756 | if (pMgmt->pCurrBSS->ldBmAverage[ii] != 0) { |
| 757 | pMgmt->pCurrBSS->ldBmMAX = |
| 758 | max(pMgmt->pCurrBSS->ldBmAverage[ii], ldBm); |
| 759 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 760 | } |
| 761 | } |
| 762 | */ |
| 763 | |
| 764 | |
| 765 | // ----------------------------------------------- |
| 766 | |
| 767 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnable8021x == TRUE)){ |
| 768 | BYTE abyMacHdr[24]; |
| 769 | |
| 770 | // Only 802.1x packet incoming allowed |
| 771 | if (bIsWEP) |
| 772 | cbIVOffset = 8; |
| 773 | else |
| 774 | cbIVOffset = 0; |
| 775 | wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) | |
| 776 | skb->data[cbIVOffset + 8 + 24 + 6 + 1]; |
| 777 | |
| 778 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wEtherType = %04x \n", wEtherType); |
| 779 | if (wEtherType == ETH_P_PAE) { |
| 780 | skb->dev = pDevice->apdev; |
| 781 | |
| 782 | if (bIsWEP == TRUE) { |
| 783 | // strip IV header(8) |
| 784 | memcpy(&abyMacHdr[0], (skb->data + 8), 24); |
| 785 | memcpy((skb->data + 8 + cbIVOffset), &abyMacHdr[0], 24); |
| 786 | } |
| 787 | |
| 788 | skb->data += (cbIVOffset + 8); |
| 789 | skb->tail += (cbIVOffset + 8); |
| 790 | skb_put(skb, FrameSize); |
Jim Lieb | d899d403 | 2009-07-23 17:22:42 -0700 | [diff] [blame] | 791 | skb_reset_mac_header(skb); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 792 | skb->pkt_type = PACKET_OTHERHOST; |
| 793 | skb->protocol = htons(ETH_P_802_2); |
| 794 | memset(skb->cb, 0, sizeof(skb->cb)); |
| 795 | netif_rx(skb); |
| 796 | return TRUE; |
| 797 | |
| 798 | } |
| 799 | // check if 802.1x authorized |
| 800 | if (!(pMgmt->sNodeDBTable[iSANodeIndex].dwFlags & WLAN_STA_AUTHORIZED)) |
| 801 | return FALSE; |
| 802 | } |
| 803 | |
| 804 | |
| 805 | if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) { |
| 806 | if (bIsWEP) { |
| 807 | FrameSize -= 8; //MIC |
| 808 | } |
| 809 | } |
| 810 | |
| 811 | //-------------------------------------------------------------------------------- |
| 812 | // Soft MIC |
| 813 | if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) { |
| 814 | if (bIsWEP) { |
| 815 | PDWORD pdwMIC_L; |
| 816 | PDWORD pdwMIC_R; |
| 817 | DWORD dwMIC_Priority; |
| 818 | DWORD dwMICKey0 = 0, dwMICKey1 = 0; |
| 819 | DWORD dwLocalMIC_L = 0; |
| 820 | DWORD dwLocalMIC_R = 0; |
| 821 | viawget_wpa_header *wpahdr; |
| 822 | |
| 823 | |
| 824 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { |
| 825 | dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[24])); |
| 826 | dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[28])); |
| 827 | } |
| 828 | else { |
| 829 | if (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) { |
| 830 | dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[16])); |
| 831 | dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[20])); |
| 832 | } else if ((pKey->dwKeyIndex & BIT28) == 0) { |
| 833 | dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[16])); |
| 834 | dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[20])); |
| 835 | } else { |
| 836 | dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[24])); |
| 837 | dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[28])); |
| 838 | } |
| 839 | } |
| 840 | |
| 841 | MIC_vInit(dwMICKey0, dwMICKey1); |
| 842 | MIC_vAppend((PBYTE)&(pDevice->sRxEthHeader.abyDstAddr[0]), 12); |
| 843 | dwMIC_Priority = 0; |
| 844 | MIC_vAppend((PBYTE)&dwMIC_Priority, 4); |
| 845 | // 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV. |
| 846 | MIC_vAppend((PBYTE)(skb->data + 8 + WLAN_HDR_ADDR3_LEN + 8), |
| 847 | FrameSize - WLAN_HDR_ADDR3_LEN - 8); |
| 848 | MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R); |
| 849 | MIC_vUnInit(); |
| 850 | |
| 851 | pdwMIC_L = (PDWORD)(skb->data + 8 + FrameSize); |
| 852 | pdwMIC_R = (PDWORD)(skb->data + 8 + FrameSize + 4); |
| 853 | |
| 854 | |
| 855 | if ((cpu_to_le32(*pdwMIC_L) != dwLocalMIC_L) || (cpu_to_le32(*pdwMIC_R) != dwLocalMIC_R) || |
| 856 | (pDevice->bRxMICFail == TRUE)) { |
| 857 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC comparison is fail!\n"); |
| 858 | pDevice->bRxMICFail = FALSE; |
| 859 | //pDevice->s802_11Counter.TKIPLocalMICFailures.QuadPart++; |
| 860 | pDevice->s802_11Counter.TKIPLocalMICFailures++; |
| 861 | if (bDeFragRx) { |
| 862 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { |
| 863 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", |
| 864 | pDevice->dev->name); |
| 865 | } |
| 866 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 867 | #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT |
| 868 | //send event to wpa_supplicant |
| 869 | //if(pDevice->bWPASuppWextEnabled == TRUE) |
| 870 | { |
| 871 | union iwreq_data wrqu; |
| 872 | struct iw_michaelmicfailure ev; |
| 873 | int keyidx = pbyFrame[cbHeaderSize+3] >> 6; //top two-bits |
| 874 | memset(&ev, 0, sizeof(ev)); |
| 875 | ev.flags = keyidx & IW_MICFAILURE_KEY_ID; |
| 876 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && |
| 877 | (pMgmt->eCurrState == WMAC_STATE_ASSOC) && |
| 878 | (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) { |
| 879 | ev.flags |= IW_MICFAILURE_PAIRWISE; |
| 880 | } else { |
| 881 | ev.flags |= IW_MICFAILURE_GROUP; |
| 882 | } |
| 883 | |
| 884 | ev.src_addr.sa_family = ARPHRD_ETHER; |
| 885 | memcpy(ev.src_addr.sa_data, pMACHeader->abyAddr2, ETH_ALEN); |
| 886 | memset(&wrqu, 0, sizeof(wrqu)); |
| 887 | wrqu.data.length = sizeof(ev); |
| 888 | PRINT_K("wireless_send_event--->IWEVMICHAELMICFAILURE\n"); |
| 889 | wireless_send_event(pDevice->dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev); |
| 890 | |
| 891 | } |
| 892 | #endif |
| 893 | |
| 894 | |
| 895 | if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) { |
| 896 | wpahdr = (viawget_wpa_header *)pDevice->skb->data; |
| 897 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && |
| 898 | (pMgmt->eCurrState == WMAC_STATE_ASSOC) && |
| 899 | (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) { |
| 900 | //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR; |
| 901 | wpahdr->type = VIAWGET_PTK_MIC_MSG; |
| 902 | } else { |
| 903 | //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_GROUP_ERROR; |
| 904 | wpahdr->type = VIAWGET_GTK_MIC_MSG; |
| 905 | } |
| 906 | wpahdr->resp_ie_len = 0; |
| 907 | wpahdr->req_ie_len = 0; |
| 908 | skb_put(pDevice->skb, sizeof(viawget_wpa_header)); |
| 909 | pDevice->skb->dev = pDevice->wpadev; |
Jim Lieb | d899d403 | 2009-07-23 17:22:42 -0700 | [diff] [blame] | 910 | skb_reset_mac_header(pDevice->skb); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 911 | pDevice->skb->pkt_type = PACKET_HOST; |
| 912 | pDevice->skb->protocol = htons(ETH_P_802_2); |
| 913 | memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb)); |
| 914 | netif_rx(pDevice->skb); |
| 915 | pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); |
Joe Perches | 9fc8602 | 2011-04-10 14:31:32 -0700 | [diff] [blame] | 916 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 917 | |
| 918 | return FALSE; |
| 919 | |
| 920 | } |
| 921 | } |
| 922 | } //---end of SOFT MIC----------------------------------------------------------------------- |
| 923 | |
| 924 | // ++++++++++ Reply Counter Check +++++++++++++ |
| 925 | |
| 926 | if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) || |
| 927 | (pKey->byCipherSuite == KEY_CTL_CCMP))) { |
| 928 | if (bIsWEP) { |
| 929 | WORD wLocalTSC15_0 = 0; |
| 930 | DWORD dwLocalTSC47_16 = 0; |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 931 | unsigned long long RSC = 0; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 932 | // endian issues |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 933 | RSC = *((unsigned long long *) &(pKey->KeyRSC)); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 934 | wLocalTSC15_0 = (WORD) RSC; |
| 935 | dwLocalTSC47_16 = (DWORD) (RSC>>16); |
| 936 | |
| 937 | RSC = dwRxTSC47_16; |
| 938 | RSC <<= 16; |
| 939 | RSC += wRxTSC15_0; |
Jim Lieb | 3e36259 | 2009-08-12 14:54:11 -0700 | [diff] [blame] | 940 | memcpy(&(pKey->KeyRSC), &RSC, sizeof(QWORD)); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 941 | |
| 942 | if ( (pDevice->sMgmtObj.eCurrMode == WMAC_MODE_ESS_STA) && |
| 943 | (pDevice->sMgmtObj.eCurrState == WMAC_STATE_ASSOC)) { |
| 944 | // check RSC |
| 945 | if ( (wRxTSC15_0 < wLocalTSC15_0) && |
| 946 | (dwRxTSC47_16 <= dwLocalTSC47_16) && |
| 947 | !((dwRxTSC47_16 == 0) && (dwLocalTSC47_16 == 0xFFFFFFFF))) { |
| 948 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC is illegal~~!\n "); |
| 949 | if (pKey->byCipherSuite == KEY_CTL_TKIP) |
| 950 | //pDevice->s802_11Counter.TKIPReplays.QuadPart++; |
| 951 | pDevice->s802_11Counter.TKIPReplays++; |
| 952 | else |
| 953 | //pDevice->s802_11Counter.CCMPReplays.QuadPart++; |
| 954 | pDevice->s802_11Counter.CCMPReplays++; |
| 955 | |
| 956 | if (bDeFragRx) { |
| 957 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { |
| 958 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", |
| 959 | pDevice->dev->name); |
| 960 | } |
| 961 | } |
| 962 | return FALSE; |
| 963 | } |
| 964 | } |
| 965 | } |
| 966 | } // ----- End of Reply Counter Check -------------------------- |
| 967 | |
| 968 | |
| 969 | s_vProcessRxMACHeader(pDevice, (PBYTE)(skb->data+8), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset); |
| 970 | FrameSize -= cbHeaderOffset; |
| 971 | cbHeaderOffset += 8; // 8 is Rcv buffer header |
| 972 | |
| 973 | // Null data, framesize = 12 |
| 974 | if (FrameSize < 12) |
| 975 | return FALSE; |
| 976 | |
| 977 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { |
| 978 | if (s_bAPModeRxData(pDevice, |
| 979 | skb, |
| 980 | FrameSize, |
| 981 | cbHeaderOffset, |
| 982 | iSANodeIndex, |
| 983 | iDANodeIndex |
| 984 | ) == FALSE) { |
| 985 | |
| 986 | if (bDeFragRx) { |
| 987 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { |
| 988 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", |
| 989 | pDevice->dev->name); |
| 990 | } |
| 991 | } |
| 992 | return FALSE; |
| 993 | } |
| 994 | |
| 995 | } |
| 996 | |
| 997 | skb->data += cbHeaderOffset; |
| 998 | skb->tail += cbHeaderOffset; |
| 999 | skb_put(skb, FrameSize); |
| 1000 | skb->protocol=eth_type_trans(skb, skb->dev); |
| 1001 | skb->ip_summed=CHECKSUM_NONE; |
| 1002 | pStats->rx_bytes +=skb->len; |
| 1003 | pStats->rx_packets++; |
| 1004 | netif_rx(skb); |
| 1005 | if (bDeFragRx) { |
| 1006 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { |
| 1007 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", |
| 1008 | pDevice->dev->name); |
| 1009 | } |
| 1010 | return FALSE; |
| 1011 | } |
| 1012 | |
| 1013 | return TRUE; |
| 1014 | } |
| 1015 | |
| 1016 | |
| 1017 | static BOOL s_bAPModeRxCtl ( |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 1018 | PSDevice pDevice, |
| 1019 | PBYTE pbyFrame, |
Andres More | 213d2e9 | 2010-05-17 21:34:00 -0300 | [diff] [blame] | 1020 | signed int iSANodeIndex |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1021 | ) |
| 1022 | { |
| 1023 | PS802_11Header p802_11Header; |
| 1024 | CMD_STATUS Status; |
| 1025 | PSMgmtObject pMgmt = &(pDevice->sMgmtObj); |
| 1026 | |
| 1027 | |
| 1028 | if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) { |
| 1029 | |
| 1030 | p802_11Header = (PS802_11Header) (pbyFrame); |
| 1031 | if (!IS_TYPE_MGMT(pbyFrame)) { |
| 1032 | |
| 1033 | // Data & PS-Poll packet |
| 1034 | // check frame class |
| 1035 | if (iSANodeIndex > 0) { |
| 1036 | // frame class 3 fliter & checking |
| 1037 | if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_AUTH) { |
| 1038 | // send deauth notification |
| 1039 | // reason = (6) class 2 received from nonauth sta |
| 1040 | vMgrDeAuthenBeginSta(pDevice, |
| 1041 | pMgmt, |
| 1042 | (PBYTE)(p802_11Header->abyAddr2), |
| 1043 | (WLAN_MGMT_REASON_CLASS2_NONAUTH), |
| 1044 | &Status |
| 1045 | ); |
| 1046 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 1\n"); |
| 1047 | return TRUE; |
Joe Perches | 9fc8602 | 2011-04-10 14:31:32 -0700 | [diff] [blame] | 1048 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1049 | if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_ASSOC) { |
| 1050 | // send deassoc notification |
| 1051 | // reason = (7) class 3 received from nonassoc sta |
| 1052 | vMgrDisassocBeginSta(pDevice, |
| 1053 | pMgmt, |
| 1054 | (PBYTE)(p802_11Header->abyAddr2), |
| 1055 | (WLAN_MGMT_REASON_CLASS3_NONASSOC), |
| 1056 | &Status |
| 1057 | ); |
| 1058 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDisassocBeginSta 2\n"); |
| 1059 | return TRUE; |
Joe Perches | 9fc8602 | 2011-04-10 14:31:32 -0700 | [diff] [blame] | 1060 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1061 | |
| 1062 | if (pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable) { |
| 1063 | // delcare received ps-poll event |
| 1064 | if (IS_CTL_PSPOLL(pbyFrame)) { |
| 1065 | pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE; |
Andres More | 0cbd8d9 | 2010-05-06 20:34:29 -0300 | [diff] [blame] | 1066 | bScheduleCommand((void *) pDevice, |
| 1067 | WLAN_CMD_RX_PSPOLL, |
| 1068 | NULL); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1069 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 1\n"); |
| 1070 | } |
| 1071 | else { |
| 1072 | // check Data PS state |
| 1073 | // if PW bit off, send out all PS bufferring packets. |
| 1074 | if (!IS_FC_POWERMGT(pbyFrame)) { |
| 1075 | pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE; |
| 1076 | pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE; |
Andres More | 0cbd8d9 | 2010-05-06 20:34:29 -0300 | [diff] [blame] | 1077 | bScheduleCommand((void *) pDevice, |
| 1078 | WLAN_CMD_RX_PSPOLL, |
| 1079 | NULL); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1080 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 2\n"); |
| 1081 | } |
| 1082 | } |
| 1083 | } |
| 1084 | else { |
| 1085 | if (IS_FC_POWERMGT(pbyFrame)) { |
| 1086 | pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = TRUE; |
| 1087 | // Once if STA in PS state, enable multicast bufferring |
| 1088 | pMgmt->sNodeDBTable[0].bPSEnable = TRUE; |
| 1089 | } |
| 1090 | else { |
| 1091 | // clear all pending PS frame. |
| 1092 | if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) { |
| 1093 | pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE; |
| 1094 | pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE; |
Andres More | 0cbd8d9 | 2010-05-06 20:34:29 -0300 | [diff] [blame] | 1095 | bScheduleCommand((void *) pDevice, |
| 1096 | WLAN_CMD_RX_PSPOLL, |
| 1097 | NULL); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1098 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n"); |
| 1099 | |
| 1100 | } |
| 1101 | } |
| 1102 | } |
| 1103 | } |
| 1104 | else { |
| 1105 | vMgrDeAuthenBeginSta(pDevice, |
| 1106 | pMgmt, |
| 1107 | (PBYTE)(p802_11Header->abyAddr2), |
| 1108 | (WLAN_MGMT_REASON_CLASS2_NONAUTH), |
| 1109 | &Status |
| 1110 | ); |
| 1111 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 3\n"); |
Andy Shevchenko | d6a32aa | 2011-07-26 10:35:31 +0300 | [diff] [blame] | 1112 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSID:%pM\n", |
| 1113 | p802_11Header->abyAddr3); |
| 1114 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR2:%pM\n", |
| 1115 | p802_11Header->abyAddr2); |
| 1116 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR1:%pM\n", |
| 1117 | p802_11Header->abyAddr1); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1118 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: wFrameCtl= %x\n", p802_11Header->wFrameCtl ); |
| 1119 | return TRUE; |
| 1120 | } |
| 1121 | } |
| 1122 | } |
| 1123 | return FALSE; |
| 1124 | |
| 1125 | } |
| 1126 | |
| 1127 | static BOOL s_bHandleRxEncryption ( |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 1128 | PSDevice pDevice, |
| 1129 | PBYTE pbyFrame, |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 1130 | unsigned int FrameSize, |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 1131 | PBYTE pbyRsr, |
Andres More | 6f8c13c | 2010-05-04 20:40:10 -0300 | [diff] [blame] | 1132 | PBYTE pbyNewRsr, |
| 1133 | PSKeyItem * pKeyOut, |
Jim Lieb | 193a823 | 2009-08-12 14:54:06 -0700 | [diff] [blame] | 1134 | int * pbExtIV, |
Andres More | 6f8c13c | 2010-05-04 20:40:10 -0300 | [diff] [blame] | 1135 | PWORD pwRxTSC15_0, |
| 1136 | PDWORD pdwRxTSC47_16 |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1137 | ) |
| 1138 | { |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 1139 | unsigned int PayloadLen = FrameSize; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1140 | PBYTE pbyIV; |
| 1141 | BYTE byKeyIdx; |
| 1142 | PSKeyItem pKey = NULL; |
| 1143 | BYTE byDecMode = KEY_CTL_WEP; |
| 1144 | PSMgmtObject pMgmt = &(pDevice->sMgmtObj); |
| 1145 | |
| 1146 | |
| 1147 | *pwRxTSC15_0 = 0; |
| 1148 | *pdwRxTSC47_16 = 0; |
| 1149 | |
| 1150 | pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN; |
| 1151 | if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) && |
| 1152 | WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) { |
| 1153 | pbyIV += 6; // 6 is 802.11 address4 |
| 1154 | PayloadLen -= 6; |
| 1155 | } |
| 1156 | byKeyIdx = (*(pbyIV+3) & 0xc0); |
| 1157 | byKeyIdx >>= 6; |
| 1158 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx); |
| 1159 | |
| 1160 | if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) || |
| 1161 | (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) || |
| 1162 | (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) || |
| 1163 | (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || |
| 1164 | (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) { |
| 1165 | if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) && |
| 1166 | (pMgmt->byCSSPK != KEY_CTL_NONE)) { |
| 1167 | // unicast pkt use pairwise key |
| 1168 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt\n"); |
| 1169 | if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == TRUE) { |
| 1170 | if (pMgmt->byCSSPK == KEY_CTL_TKIP) |
| 1171 | byDecMode = KEY_CTL_TKIP; |
| 1172 | else if (pMgmt->byCSSPK == KEY_CTL_CCMP) |
| 1173 | byDecMode = KEY_CTL_CCMP; |
| 1174 | } |
| 1175 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt: %d, %p\n", byDecMode, pKey); |
| 1176 | } else { |
| 1177 | // use group key |
| 1178 | KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey); |
| 1179 | if (pMgmt->byCSSGK == KEY_CTL_TKIP) |
| 1180 | byDecMode = KEY_CTL_TKIP; |
| 1181 | else if (pMgmt->byCSSGK == KEY_CTL_CCMP) |
| 1182 | byDecMode = KEY_CTL_CCMP; |
| 1183 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"group pkt: %d, %d, %p\n", byKeyIdx, byDecMode, pKey); |
| 1184 | } |
| 1185 | } |
| 1186 | // our WEP only support Default Key |
| 1187 | if (pKey == NULL) { |
| 1188 | // use default group key |
| 1189 | KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey); |
| 1190 | if (pMgmt->byCSSGK == KEY_CTL_TKIP) |
| 1191 | byDecMode = KEY_CTL_TKIP; |
| 1192 | else if (pMgmt->byCSSGK == KEY_CTL_CCMP) |
| 1193 | byDecMode = KEY_CTL_CCMP; |
| 1194 | } |
| 1195 | *pKeyOut = pKey; |
| 1196 | |
| 1197 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pMgmt->byCSSPK, pMgmt->byCSSGK, byDecMode); |
| 1198 | |
| 1199 | if (pKey == NULL) { |
| 1200 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey == NULL\n"); |
| 1201 | if (byDecMode == KEY_CTL_WEP) { |
| 1202 | // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++; |
| 1203 | } else if (pDevice->bLinkPass == TRUE) { |
| 1204 | // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++; |
| 1205 | } |
| 1206 | return FALSE; |
| 1207 | } |
| 1208 | if (byDecMode != pKey->byCipherSuite) { |
| 1209 | if (byDecMode == KEY_CTL_WEP) { |
| 1210 | // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++; |
| 1211 | } else if (pDevice->bLinkPass == TRUE) { |
| 1212 | // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++; |
| 1213 | } |
| 1214 | *pKeyOut = NULL; |
| 1215 | return FALSE; |
| 1216 | } |
| 1217 | if (byDecMode == KEY_CTL_WEP) { |
| 1218 | // handle WEP |
| 1219 | if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || |
| 1220 | (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == TRUE)) { |
| 1221 | // Software WEP |
| 1222 | // 1. 3253A |
| 1223 | // 2. WEP 256 |
| 1224 | |
| 1225 | PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc |
Jim Lieb | 3e36259 | 2009-08-12 14:54:11 -0700 | [diff] [blame] | 1226 | memcpy(pDevice->abyPRNG, pbyIV, 3); |
| 1227 | memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1228 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3); |
| 1229 | rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen); |
| 1230 | |
| 1231 | if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) { |
| 1232 | *pbyNewRsr |= NEWRSR_DECRYPTOK; |
| 1233 | } |
| 1234 | } |
| 1235 | } else if ((byDecMode == KEY_CTL_TKIP) || |
| 1236 | (byDecMode == KEY_CTL_CCMP)) { |
| 1237 | // TKIP/AES |
| 1238 | |
| 1239 | PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc |
| 1240 | *pdwRxTSC47_16 = cpu_to_le32(*(PDWORD)(pbyIV + 4)); |
| 1241 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16); |
| 1242 | if (byDecMode == KEY_CTL_TKIP) { |
| 1243 | *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV)); |
| 1244 | } else { |
| 1245 | *pwRxTSC15_0 = cpu_to_le16(*(PWORD)pbyIV); |
| 1246 | } |
| 1247 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0); |
| 1248 | |
| 1249 | if ((byDecMode == KEY_CTL_TKIP) && |
| 1250 | (pDevice->byLocalID <= REV_ID_VT3253_A1)) { |
| 1251 | // Software TKIP |
| 1252 | // 1. 3253 A |
| 1253 | PS802_11Header pMACHeader = (PS802_11Header) (pbyFrame); |
| 1254 | TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG); |
| 1255 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN); |
| 1256 | rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen); |
| 1257 | if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) { |
| 1258 | *pbyNewRsr |= NEWRSR_DECRYPTOK; |
| 1259 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n"); |
| 1260 | } else { |
| 1261 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n"); |
| 1262 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen); |
| 1263 | } |
| 1264 | } |
| 1265 | }// end of TKIP/AES |
| 1266 | |
| 1267 | if ((*(pbyIV+3) & 0x20) != 0) |
| 1268 | *pbExtIV = TRUE; |
| 1269 | return TRUE; |
| 1270 | } |
| 1271 | |
| 1272 | |
| 1273 | static BOOL s_bHostWepRxEncryption ( |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 1274 | PSDevice pDevice, |
| 1275 | PBYTE pbyFrame, |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 1276 | unsigned int FrameSize, |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 1277 | PBYTE pbyRsr, |
| 1278 | BOOL bOnFly, |
| 1279 | PSKeyItem pKey, |
Andres More | 6f8c13c | 2010-05-04 20:40:10 -0300 | [diff] [blame] | 1280 | PBYTE pbyNewRsr, |
Jim Lieb | 193a823 | 2009-08-12 14:54:06 -0700 | [diff] [blame] | 1281 | int * pbExtIV, |
Andres More | 6f8c13c | 2010-05-04 20:40:10 -0300 | [diff] [blame] | 1282 | PWORD pwRxTSC15_0, |
| 1283 | PDWORD pdwRxTSC47_16 |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1284 | ) |
| 1285 | { |
| 1286 | PSMgmtObject pMgmt = &(pDevice->sMgmtObj); |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 1287 | unsigned int PayloadLen = FrameSize; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1288 | PBYTE pbyIV; |
| 1289 | BYTE byKeyIdx; |
| 1290 | BYTE byDecMode = KEY_CTL_WEP; |
| 1291 | PS802_11Header pMACHeader; |
| 1292 | |
| 1293 | |
| 1294 | |
| 1295 | *pwRxTSC15_0 = 0; |
| 1296 | *pdwRxTSC47_16 = 0; |
| 1297 | |
| 1298 | pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN; |
| 1299 | if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) && |
| 1300 | WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) { |
| 1301 | pbyIV += 6; // 6 is 802.11 address4 |
| 1302 | PayloadLen -= 6; |
| 1303 | } |
| 1304 | byKeyIdx = (*(pbyIV+3) & 0xc0); |
| 1305 | byKeyIdx >>= 6; |
| 1306 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx); |
| 1307 | |
| 1308 | |
| 1309 | if (pMgmt->byCSSGK == KEY_CTL_TKIP) |
| 1310 | byDecMode = KEY_CTL_TKIP; |
| 1311 | else if (pMgmt->byCSSGK == KEY_CTL_CCMP) |
| 1312 | byDecMode = KEY_CTL_CCMP; |
| 1313 | |
| 1314 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pMgmt->byCSSPK, pMgmt->byCSSGK, byDecMode); |
| 1315 | |
| 1316 | if (byDecMode != pKey->byCipherSuite) { |
| 1317 | if (byDecMode == KEY_CTL_WEP) { |
| 1318 | // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++; |
| 1319 | } else if (pDevice->bLinkPass == TRUE) { |
| 1320 | // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++; |
| 1321 | } |
| 1322 | return FALSE; |
| 1323 | } |
| 1324 | |
| 1325 | if (byDecMode == KEY_CTL_WEP) { |
| 1326 | // handle WEP |
| 1327 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"byDecMode == KEY_CTL_WEP \n"); |
| 1328 | if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || |
| 1329 | (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == TRUE) || |
| 1330 | (bOnFly == FALSE)) { |
| 1331 | // Software WEP |
| 1332 | // 1. 3253A |
| 1333 | // 2. WEP 256 |
| 1334 | // 3. NotOnFly |
| 1335 | |
| 1336 | PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc |
Jim Lieb | 3e36259 | 2009-08-12 14:54:11 -0700 | [diff] [blame] | 1337 | memcpy(pDevice->abyPRNG, pbyIV, 3); |
| 1338 | memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1339 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3); |
| 1340 | rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen); |
| 1341 | |
| 1342 | if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) { |
| 1343 | *pbyNewRsr |= NEWRSR_DECRYPTOK; |
| 1344 | } |
| 1345 | } |
| 1346 | } else if ((byDecMode == KEY_CTL_TKIP) || |
| 1347 | (byDecMode == KEY_CTL_CCMP)) { |
| 1348 | // TKIP/AES |
| 1349 | |
| 1350 | PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc |
| 1351 | *pdwRxTSC47_16 = cpu_to_le32(*(PDWORD)(pbyIV + 4)); |
| 1352 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16); |
| 1353 | |
| 1354 | if (byDecMode == KEY_CTL_TKIP) { |
| 1355 | *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV)); |
| 1356 | } else { |
| 1357 | *pwRxTSC15_0 = cpu_to_le16(*(PWORD)pbyIV); |
| 1358 | } |
| 1359 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0); |
| 1360 | |
| 1361 | if (byDecMode == KEY_CTL_TKIP) { |
| 1362 | |
| 1363 | if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || (bOnFly == FALSE)) { |
| 1364 | // Software TKIP |
| 1365 | // 1. 3253 A |
| 1366 | // 2. NotOnFly |
| 1367 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_TKIP \n"); |
| 1368 | pMACHeader = (PS802_11Header) (pbyFrame); |
| 1369 | TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG); |
| 1370 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN); |
| 1371 | rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen); |
| 1372 | if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) { |
| 1373 | *pbyNewRsr |= NEWRSR_DECRYPTOK; |
| 1374 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n"); |
| 1375 | } else { |
| 1376 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n"); |
| 1377 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen); |
| 1378 | } |
| 1379 | } |
| 1380 | } |
| 1381 | |
| 1382 | if (byDecMode == KEY_CTL_CCMP) { |
| 1383 | if (bOnFly == FALSE) { |
| 1384 | // Software CCMP |
| 1385 | // NotOnFly |
| 1386 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_CCMP\n"); |
| 1387 | if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) { |
| 1388 | *pbyNewRsr |= NEWRSR_DECRYPTOK; |
| 1389 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC compare OK!\n"); |
| 1390 | } else { |
| 1391 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC fail!\n"); |
| 1392 | } |
| 1393 | } |
| 1394 | } |
| 1395 | |
| 1396 | }// end of TKIP/AES |
| 1397 | |
| 1398 | if ((*(pbyIV+3) & 0x20) != 0) |
| 1399 | *pbExtIV = TRUE; |
| 1400 | return TRUE; |
| 1401 | } |
| 1402 | |
| 1403 | |
| 1404 | |
| 1405 | static BOOL s_bAPModeRxData ( |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 1406 | PSDevice pDevice, |
| 1407 | struct sk_buff *skb, |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 1408 | unsigned int FrameSize, |
| 1409 | unsigned int cbHeaderOffset, |
Andres More | 213d2e9 | 2010-05-17 21:34:00 -0300 | [diff] [blame] | 1410 | signed int iSANodeIndex, |
| 1411 | signed int iDANodeIndex |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1412 | ) |
| 1413 | |
| 1414 | { |
| 1415 | PSMgmtObject pMgmt = &(pDevice->sMgmtObj); |
| 1416 | BOOL bRelayAndForward = FALSE; |
| 1417 | BOOL bRelayOnly = FALSE; |
| 1418 | BYTE byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80}; |
| 1419 | WORD wAID; |
| 1420 | |
| 1421 | |
| 1422 | struct sk_buff* skbcpy = NULL; |
| 1423 | |
| 1424 | if (FrameSize > CB_MAX_BUF_SIZE) |
| 1425 | return FALSE; |
| 1426 | // check DA |
Andres More | 4b50fb4 | 2010-06-22 21:57:42 -0300 | [diff] [blame] | 1427 | if (is_multicast_ether_addr((PBYTE)(skb->data+cbHeaderOffset))) { |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1428 | if (pMgmt->sNodeDBTable[0].bPSEnable) { |
| 1429 | |
| 1430 | skbcpy = dev_alloc_skb((int)pDevice->rx_buf_sz); |
| 1431 | |
| 1432 | // if any node in PS mode, buffer packet until DTIM. |
| 1433 | if (skbcpy == NULL) { |
| 1434 | DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "relay multicast no skb available \n"); |
| 1435 | } |
| 1436 | else { |
| 1437 | skbcpy->dev = pDevice->dev; |
| 1438 | skbcpy->len = FrameSize; |
| 1439 | memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize); |
| 1440 | skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy); |
| 1441 | pMgmt->sNodeDBTable[0].wEnQueueCnt++; |
| 1442 | // set tx map |
| 1443 | pMgmt->abyPSTxMap[0] |= byMask[0]; |
| 1444 | } |
| 1445 | } |
| 1446 | else { |
| 1447 | bRelayAndForward = TRUE; |
| 1448 | } |
| 1449 | } |
| 1450 | else { |
| 1451 | // check if relay |
| 1452 | if (BSSbIsSTAInNodeDB(pDevice, (PBYTE)(skb->data+cbHeaderOffset), &iDANodeIndex)) { |
| 1453 | if (pMgmt->sNodeDBTable[iDANodeIndex].eNodeState >= NODE_ASSOC) { |
| 1454 | if (pMgmt->sNodeDBTable[iDANodeIndex].bPSEnable) { |
| 1455 | // queue this skb until next PS tx, and then release. |
| 1456 | |
| 1457 | skb->data += cbHeaderOffset; |
| 1458 | skb->tail += cbHeaderOffset; |
| 1459 | skb_put(skb, FrameSize); |
| 1460 | skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb); |
| 1461 | |
| 1462 | pMgmt->sNodeDBTable[iDANodeIndex].wEnQueueCnt++; |
| 1463 | wAID = pMgmt->sNodeDBTable[iDANodeIndex].wAID; |
| 1464 | pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7]; |
| 1465 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "relay: index= %d, pMgmt->abyPSTxMap[%d]= %d\n", |
| 1466 | iDANodeIndex, (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]); |
| 1467 | return TRUE; |
| 1468 | } |
| 1469 | else { |
| 1470 | bRelayOnly = TRUE; |
| 1471 | } |
| 1472 | } |
Joe Perches | 9fc8602 | 2011-04-10 14:31:32 -0700 | [diff] [blame] | 1473 | } |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1474 | } |
| 1475 | |
| 1476 | if (bRelayOnly || bRelayAndForward) { |
| 1477 | // relay this packet right now |
| 1478 | if (bRelayAndForward) |
| 1479 | iDANodeIndex = 0; |
| 1480 | |
| 1481 | if ((pDevice->uAssocCount > 1) && (iDANodeIndex >= 0)) { |
Andres More | cc856e6 | 2010-05-17 21:34:01 -0300 | [diff] [blame] | 1482 | bRelayPacketSend(pDevice, (PBYTE) (skb->data + cbHeaderOffset), |
| 1483 | FrameSize, (unsigned int) iDANodeIndex); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1484 | } |
| 1485 | |
| 1486 | if (bRelayOnly) |
| 1487 | return FALSE; |
| 1488 | } |
| 1489 | // none associate, don't forward |
| 1490 | if (pDevice->uAssocCount == 0) |
| 1491 | return FALSE; |
| 1492 | |
| 1493 | return TRUE; |
| 1494 | } |
| 1495 | |
| 1496 | |
| 1497 | |
| 1498 | |
Andres More | 8611a29 | 2010-05-01 14:25:00 -0300 | [diff] [blame] | 1499 | void RXvWorkItem(void *Context) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1500 | { |
| 1501 | PSDevice pDevice = (PSDevice) Context; |
Andres More | 6487c49 | 2010-08-02 20:51:57 -0300 | [diff] [blame] | 1502 | int ntStatus; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1503 | PRCB pRCB=NULL; |
| 1504 | |
| 1505 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Rx Polling Thread\n"); |
| 1506 | spin_lock_irq(&pDevice->lock); |
Andres More | 731047f | 2010-08-05 22:17:20 -0300 | [diff] [blame] | 1507 | |
| 1508 | while ((pDevice->Flags & fMP_POST_READS) && |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1509 | MP_IS_READY(pDevice) && |
| 1510 | (pDevice->NumRecvFreeList != 0) ) { |
| 1511 | pRCB = pDevice->FirstRecvFreeList; |
| 1512 | pDevice->NumRecvFreeList--; |
| 1513 | ASSERT(pRCB);// cannot be NULL |
| 1514 | DequeueRCB(pDevice->FirstRecvFreeList, pDevice->LastRecvFreeList); |
| 1515 | ntStatus = PIPEnsBulkInUsbRead(pDevice, pRCB); |
| 1516 | } |
| 1517 | pDevice->bIsRxWorkItemQueued = FALSE; |
| 1518 | spin_unlock_irq(&pDevice->lock); |
| 1519 | |
| 1520 | } |
| 1521 | |
| 1522 | |
Andres More | 8611a29 | 2010-05-01 14:25:00 -0300 | [diff] [blame] | 1523 | void |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1524 | RXvFreeRCB( |
Andres More | 592ccfe | 2010-04-17 12:07:42 -0300 | [diff] [blame] | 1525 | PRCB pRCB, |
| 1526 | BOOL bReAllocSkb |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1527 | ) |
| 1528 | { |
| 1529 | PSDevice pDevice = (PSDevice)pRCB->pDevice; |
| 1530 | |
| 1531 | |
| 1532 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->RXvFreeRCB\n"); |
| 1533 | |
| 1534 | ASSERT(!pRCB->Ref); // should be 0 |
| 1535 | ASSERT(pRCB->pDevice); // shouldn't be NULL |
| 1536 | |
| 1537 | if (bReAllocSkb == TRUE) { |
| 1538 | pRCB->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); |
| 1539 | // todo error handling |
| 1540 | if (pRCB->skb == NULL) { |
| 1541 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR" Failed to re-alloc rx skb\n"); |
| 1542 | }else { |
| 1543 | pRCB->skb->dev = pDevice->dev; |
| 1544 | } |
| 1545 | } |
| 1546 | // |
| 1547 | // Insert the RCB back in the Recv free list |
| 1548 | // |
| 1549 | EnqueueRCB(pDevice->FirstRecvFreeList, pDevice->LastRecvFreeList, pRCB); |
| 1550 | pDevice->NumRecvFreeList++; |
| 1551 | |
| 1552 | |
Andres More | 731047f | 2010-08-05 22:17:20 -0300 | [diff] [blame] | 1553 | if ((pDevice->Flags & fMP_POST_READS) && MP_IS_READY(pDevice) && |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1554 | (pDevice->bIsRxWorkItemQueued == FALSE) ) { |
| 1555 | |
| 1556 | pDevice->bIsRxWorkItemQueued = TRUE; |
| 1557 | tasklet_schedule(&pDevice->ReadWorkItem); |
| 1558 | } |
| 1559 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"<----RXFreeRCB %d %d\n",pDevice->NumRecvFreeList, pDevice->NumRecvMngList); |
| 1560 | } |
| 1561 | |
| 1562 | |
Andres More | 8611a29 | 2010-05-01 14:25:00 -0300 | [diff] [blame] | 1563 | void RXvMngWorkItem(void *Context) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1564 | { |
| 1565 | PSDevice pDevice = (PSDevice) Context; |
| 1566 | PRCB pRCB=NULL; |
| 1567 | PSRxMgmtPacket pRxPacket; |
| 1568 | BOOL bReAllocSkb = FALSE; |
| 1569 | |
| 1570 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Rx Mng Thread\n"); |
| 1571 | |
| 1572 | spin_lock_irq(&pDevice->lock); |
| 1573 | while (pDevice->NumRecvMngList!=0) |
| 1574 | { |
| 1575 | pRCB = pDevice->FirstRecvMngList; |
| 1576 | pDevice->NumRecvMngList--; |
| 1577 | DequeueRCB(pDevice->FirstRecvMngList, pDevice->LastRecvMngList); |
| 1578 | if(!pRCB){ |
| 1579 | break; |
| 1580 | } |
| 1581 | ASSERT(pRCB);// cannot be NULL |
| 1582 | pRxPacket = &(pRCB->sMngPacket); |
Andres More | 0cbd8d9 | 2010-05-06 20:34:29 -0300 | [diff] [blame] | 1583 | vMgrRxManagePacket((void *) pDevice, &(pDevice->sMgmtObj), pRxPacket); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1584 | pRCB->Ref--; |
| 1585 | if(pRCB->Ref == 0) { |
| 1586 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"RxvFreeMng %d %d\n",pDevice->NumRecvFreeList, pDevice->NumRecvMngList); |
| 1587 | RXvFreeRCB(pRCB, bReAllocSkb); |
| 1588 | } else { |
| 1589 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Rx Mng Only we have the right to free RCB\n"); |
| 1590 | } |
| 1591 | } |
| 1592 | |
Felipe Andres Besoain Pino | ba5c2b3 | 2010-10-29 19:15:58 -0300 | [diff] [blame] | 1593 | pDevice->bIsRxMngWorkItemQueued = FALSE; |
| 1594 | spin_unlock_irq(&pDevice->lock); |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 1595 | |
| 1596 | } |
| 1597 | |
| 1598 | |