Forest Bond | 5449c68 | 2009-04-25 10:30:44 -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: wpactl.c |
| 20 | * |
| 21 | * Purpose: handle wpa supplicant ioctl input/out functions |
| 22 | * |
| 23 | * Author: Lyndon Chen |
| 24 | * |
| 25 | * Date: Oct. 20, 2003 |
| 26 | * |
| 27 | * Functions: |
| 28 | * |
| 29 | * Revision History: |
| 30 | * |
| 31 | */ |
| 32 | |
| 33 | |
| 34 | #if !defined(__WPACTL_H__) |
| 35 | #include "wpactl.h" |
| 36 | #endif |
| 37 | #if !defined(__KEY_H__) |
| 38 | #include "key.h" |
| 39 | #endif |
| 40 | #if !defined(__MAC_H__) |
| 41 | #include "mac.h" |
| 42 | #endif |
| 43 | #if !defined(__DEVICE_H__) |
| 44 | #include "device.h" |
| 45 | #endif |
| 46 | #if !defined(__WMGR_H__) |
| 47 | #include "wmgr.h" |
| 48 | #endif |
| 49 | #if !defined(__IOCMD_H__) |
| 50 | #include "iocmd.h" |
| 51 | #endif |
| 52 | #if !defined(__IOWPA_H__) |
| 53 | #include "iowpa.h" |
| 54 | #endif |
| 55 | //2008-0717-05, <Add> by James |
| 56 | #if !defined(__RF_H__) |
| 57 | #include "rf.h" |
| 58 | #endif |
| 59 | |
| 60 | /*--------------------- Static Definitions -------------------------*/ |
| 61 | |
| 62 | #define VIAWGET_WPA_MAX_BUF_SIZE 1024 |
| 63 | |
| 64 | |
| 65 | |
| 66 | static const int frequency_list[] = { |
| 67 | 2412, 2417, 2422, 2427, 2432, 2437, 2442, |
| 68 | 2447, 2452, 2457, 2462, 2467, 2472, 2484 |
| 69 | }; |
| 70 | /*--------------------- Static Classes ----------------------------*/ |
| 71 | |
| 72 | /*--------------------- Static Variables --------------------------*/ |
| 73 | //static int msglevel =MSG_LEVEL_DEBUG; |
| 74 | static int msglevel =MSG_LEVEL_INFO; |
| 75 | |
| 76 | /*--------------------- Static Functions --------------------------*/ |
| 77 | |
| 78 | |
| 79 | |
| 80 | |
| 81 | /*--------------------- Export Variables --------------------------*/ |
| 82 | |
| 83 | |
| 84 | static void wpadev_setup(struct net_device *dev) |
| 85 | { |
| 86 | dev->type = ARPHRD_IEEE80211; |
| 87 | dev->hard_header_len = ETH_HLEN; |
| 88 | dev->mtu = 2048; |
| 89 | dev->addr_len = ETH_ALEN; |
| 90 | dev->tx_queue_len = 1000; |
| 91 | |
| 92 | memset(dev->broadcast,0xFF, ETH_ALEN); |
| 93 | |
| 94 | dev->flags = IFF_BROADCAST|IFF_MULTICAST; |
| 95 | } |
| 96 | |
| 97 | |
| 98 | |
| 99 | /* |
| 100 | * Description: |
| 101 | * register netdev for wpa supplicant deamon |
| 102 | * |
| 103 | * Parameters: |
| 104 | * In: |
| 105 | * pDevice - |
| 106 | * enable - |
| 107 | * Out: |
| 108 | * |
| 109 | * Return Value: |
| 110 | * |
| 111 | */ |
| 112 | |
| 113 | static int wpa_init_wpadev(PSDevice pDevice) |
| 114 | { |
Forest Bond | c9d0352 | 2009-06-01 20:00:14 -0400 | [diff] [blame] | 115 | PSDevice wpadev_priv; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 116 | struct net_device *dev = pDevice->dev; |
| 117 | int ret=0; |
| 118 | |
Forest Bond | c9d0352 | 2009-06-01 20:00:14 -0400 | [diff] [blame] | 119 | pDevice->wpadev = alloc_netdev(sizeof(PSDevice), "vntwpa", wpadev_setup); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 120 | if (pDevice->wpadev == NULL) |
| 121 | return -ENOMEM; |
| 122 | |
Forest Bond | c9d0352 | 2009-06-01 20:00:14 -0400 | [diff] [blame] | 123 | wpadev_priv = netdev_priv(pDevice->wpadev); |
| 124 | *wpadev_priv = *pDevice; |
| 125 | |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 126 | memcpy(pDevice->wpadev->dev_addr, dev->dev_addr, U_ETHER_ADDR_LEN); |
| 127 | pDevice->wpadev->base_addr = dev->base_addr; |
| 128 | pDevice->wpadev->irq = dev->irq; |
| 129 | pDevice->wpadev->mem_start = dev->mem_start; |
| 130 | pDevice->wpadev->mem_end = dev->mem_end; |
| 131 | ret = register_netdev(pDevice->wpadev); |
| 132 | if (ret) { |
| 133 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: register_netdev(WPA) failed!\n", |
| 134 | dev->name); |
| 135 | free_netdev(pDevice->wpadev); |
| 136 | return -1; |
| 137 | } |
| 138 | |
| 139 | if (pDevice->skb == NULL) { |
| 140 | pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); |
| 141 | if (pDevice->skb == NULL) |
| 142 | return -ENOMEM; |
| 143 | } |
| 144 | |
| 145 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Registered netdev %s for WPA management\n", |
| 146 | dev->name, pDevice->wpadev->name); |
| 147 | |
| 148 | return 0; |
| 149 | } |
| 150 | |
| 151 | |
| 152 | /* |
| 153 | * Description: |
| 154 | * unregister net_device (wpadev) |
| 155 | * |
| 156 | * Parameters: |
| 157 | * In: |
| 158 | * pDevice - |
| 159 | * Out: |
| 160 | * |
| 161 | * Return Value: |
| 162 | * |
| 163 | */ |
| 164 | |
| 165 | static int wpa_release_wpadev(PSDevice pDevice) |
| 166 | { |
| 167 | |
| 168 | if (pDevice->skb) { |
| 169 | dev_kfree_skb(pDevice->skb); |
| 170 | pDevice->skb = NULL; |
| 171 | } |
| 172 | |
| 173 | if (pDevice->wpadev) { |
| 174 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Netdevice %s unregistered\n", |
| 175 | pDevice->dev->name, pDevice->wpadev->name); |
| 176 | unregister_netdev(pDevice->wpadev); |
| 177 | free_netdev(pDevice->wpadev); |
| 178 | pDevice->wpadev = NULL; |
| 179 | } |
| 180 | |
| 181 | return 0; |
| 182 | } |
| 183 | |
| 184 | |
| 185 | |
| 186 | |
| 187 | |
| 188 | /* |
| 189 | * Description: |
| 190 | * Set enable/disable dev for wpa supplicant deamon |
| 191 | * |
| 192 | * Parameters: |
| 193 | * In: |
| 194 | * pDevice - |
| 195 | * val - |
| 196 | * Out: |
| 197 | * |
| 198 | * Return Value: |
| 199 | * |
| 200 | */ |
| 201 | |
| 202 | int wpa_set_wpadev(PSDevice pDevice, int val) |
| 203 | { |
| 204 | |
| 205 | |
| 206 | if (val) |
| 207 | return wpa_init_wpadev(pDevice); |
| 208 | else |
| 209 | return wpa_release_wpadev(pDevice); |
| 210 | } |
| 211 | |
| 212 | |
| 213 | /* |
| 214 | * Description: |
| 215 | * Set WPA algorithm & keys |
| 216 | * |
| 217 | * Parameters: |
| 218 | * In: |
| 219 | * pDevice - |
| 220 | * param - |
| 221 | * Out: |
| 222 | * |
| 223 | * Return Value: |
| 224 | * |
| 225 | */ |
| 226 | |
| 227 | int wpa_set_keys(PSDevice pDevice, void *ctx, BOOL fcpfkernel) |
| 228 | { |
| 229 | struct viawget_wpa_param *param=ctx; |
| 230 | PSMgmtObject pMgmt = pDevice->pMgmt; |
| 231 | DWORD dwKeyIndex = 0; |
| 232 | BYTE abyKey[MAX_KEY_LEN]; |
| 233 | BYTE abySeq[MAX_KEY_LEN]; |
| 234 | QWORD KeyRSC; |
| 235 | // NDIS_802_11_KEY_RSC KeyRSC; |
| 236 | BYTE byKeyDecMode = KEY_CTL_WEP; |
| 237 | int ret = 0; |
| 238 | int uu, ii; |
| 239 | |
| 240 | |
| 241 | if (param->u.wpa_key.alg_name > WPA_ALG_CCMP) |
| 242 | return -EINVAL; |
| 243 | |
| 244 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "param->u.wpa_key.alg_name = %d \n", param->u.wpa_key.alg_name); |
| 245 | if (param->u.wpa_key.alg_name == WPA_ALG_NONE) { |
| 246 | pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled; |
| 247 | pDevice->bEncryptionEnable = FALSE; |
| 248 | pDevice->byKeyIndex = 0; |
| 249 | pDevice->bTransmitKey = FALSE; |
| 250 | KeyvRemoveAllWEPKey(&(pDevice->sKey), pDevice->PortOffset); |
| 251 | for (uu=0; uu<MAX_KEY_TABLE; uu++) { |
| 252 | MACvDisableKeyEntry(pDevice->PortOffset, uu); |
| 253 | } |
| 254 | return ret; |
| 255 | } |
| 256 | |
| 257 | //spin_unlock_irq(&pDevice->lock); |
| 258 | if(param->u.wpa_key.key && fcpfkernel) { |
| 259 | memcpy(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len); |
| 260 | } |
| 261 | else { |
| 262 | spin_unlock_irq(&pDevice->lock); |
| 263 | if (param->u.wpa_key.key && |
| 264 | copy_from_user(&abyKey[0], param->u.wpa_key.key, param->u.wpa_key.key_len)){ |
| 265 | spin_lock_irq(&pDevice->lock); |
| 266 | return -EINVAL; |
| 267 | } |
| 268 | spin_lock_irq(&pDevice->lock); |
| 269 | } |
| 270 | |
| 271 | dwKeyIndex = (DWORD)(param->u.wpa_key.key_index); |
| 272 | |
| 273 | if (param->u.wpa_key.alg_name == WPA_ALG_WEP) { |
| 274 | if (dwKeyIndex > 3) { |
| 275 | return -EINVAL; |
| 276 | } |
| 277 | else { |
| 278 | if (param->u.wpa_key.set_tx) { |
| 279 | pDevice->byKeyIndex = (BYTE)dwKeyIndex; |
| 280 | pDevice->bTransmitKey = TRUE; |
| 281 | dwKeyIndex |= (1 << 31); |
| 282 | } |
| 283 | KeybSetDefaultKey(&(pDevice->sKey), |
| 284 | dwKeyIndex & ~(BIT30 | USE_KEYRSC), |
| 285 | param->u.wpa_key.key_len, |
| 286 | NULL, |
| 287 | abyKey, |
| 288 | KEY_CTL_WEP, |
| 289 | pDevice->PortOffset, |
| 290 | pDevice->byLocalID); |
| 291 | |
| 292 | } |
| 293 | pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled; |
| 294 | pDevice->bEncryptionEnable = TRUE; |
| 295 | return ret; |
| 296 | } |
| 297 | |
| 298 | //spin_unlock_irq(&pDevice->lock); |
| 299 | if(param->u.wpa_key.seq && fcpfkernel) { |
| 300 | memcpy(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len); |
| 301 | } |
| 302 | else { |
| 303 | spin_unlock_irq(&pDevice->lock); |
| 304 | if (param->u.wpa_key.seq && |
| 305 | copy_from_user(&abySeq[0], param->u.wpa_key.seq, param->u.wpa_key.seq_len)){ |
| 306 | |
| 307 | spin_lock_irq(&pDevice->lock); |
| 308 | return -EINVAL; |
| 309 | } |
| 310 | spin_lock_irq(&pDevice->lock); |
| 311 | } |
| 312 | |
| 313 | if (param->u.wpa_key.seq_len > 0) { |
| 314 | for (ii = 0 ; ii < param->u.wpa_key.seq_len ; ii++) { |
| 315 | if (ii < 4) |
| 316 | LODWORD(KeyRSC) |= (abySeq[ii] << (ii * 8)); |
| 317 | else |
| 318 | HIDWORD(KeyRSC) |= (abySeq[ii] << ((ii-4) * 8)); |
| 319 | //KeyRSC |= (abySeq[ii] << (ii * 8)); |
| 320 | } |
| 321 | dwKeyIndex |= 1 << 29; |
| 322 | } |
| 323 | |
| 324 | if (param->u.wpa_key.key_index >= MAX_GROUP_KEY) { |
| 325 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return dwKeyIndex > 3\n"); |
| 326 | return -EINVAL; |
| 327 | } |
| 328 | |
| 329 | if (param->u.wpa_key.alg_name == WPA_ALG_TKIP) { |
| 330 | pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled; |
| 331 | } |
| 332 | |
| 333 | if (param->u.wpa_key.alg_name == WPA_ALG_CCMP) { |
| 334 | pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled; |
| 335 | } |
| 336 | |
| 337 | if (param->u.wpa_key.set_tx) |
| 338 | dwKeyIndex |= (1 << 31); |
| 339 | |
| 340 | if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) |
| 341 | byKeyDecMode = KEY_CTL_CCMP; |
| 342 | else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) |
| 343 | byKeyDecMode = KEY_CTL_TKIP; |
| 344 | else |
| 345 | byKeyDecMode = KEY_CTL_WEP; |
| 346 | |
| 347 | // Fix HCT test that set 256 bits KEY and Ndis802_11Encryption3Enabled |
| 348 | if (pDevice->eEncryptionStatus == Ndis802_11Encryption3Enabled) { |
| 349 | if (param->u.wpa_key.key_len == MAX_KEY_LEN) |
| 350 | byKeyDecMode = KEY_CTL_TKIP; |
| 351 | else if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN) |
| 352 | byKeyDecMode = KEY_CTL_WEP; |
| 353 | else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN) |
| 354 | byKeyDecMode = KEY_CTL_WEP; |
| 355 | } else if (pDevice->eEncryptionStatus == Ndis802_11Encryption2Enabled) { |
| 356 | if (param->u.wpa_key.key_len == WLAN_WEP40_KEYLEN) |
| 357 | byKeyDecMode = KEY_CTL_WEP; |
| 358 | else if (param->u.wpa_key.key_len == WLAN_WEP104_KEYLEN) |
| 359 | byKeyDecMode = KEY_CTL_WEP; |
| 360 | } |
| 361 | |
| 362 | |
| 363 | // Check TKIP key length |
| 364 | if ((byKeyDecMode == KEY_CTL_TKIP) && |
| 365 | (param->u.wpa_key.key_len != MAX_KEY_LEN)) { |
| 366 | // TKIP Key must be 256 bits |
| 367 | //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - TKIP Key must be 256 bits\n")); |
| 368 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "return- TKIP Key must be 256 bits!\n"); |
| 369 | return -EINVAL; |
| 370 | } |
| 371 | // Check AES key length |
| 372 | if ((byKeyDecMode == KEY_CTL_CCMP) && |
| 373 | (param->u.wpa_key.key_len != AES_KEY_LEN)) { |
| 374 | // AES Key must be 128 bits |
| 375 | //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - AES Key must be 128 bits\n")); |
| 376 | return -EINVAL; |
| 377 | } |
| 378 | |
| 379 | // spin_lock_irq(&pDevice->lock); |
| 380 | if (IS_BROADCAST_ADDRESS(¶m->addr[0]) || (param->addr == NULL)) { |
| 381 | // If IS_BROADCAST_ADDRESS, set the key as every key entry's group key. |
| 382 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Groupe Key Assign.\n"); |
| 383 | |
| 384 | if ((KeybSetAllGroupKey(&(pDevice->sKey), |
| 385 | dwKeyIndex, |
| 386 | param->u.wpa_key.key_len, |
| 387 | (PQWORD) &(KeyRSC), |
| 388 | (PBYTE)abyKey, |
| 389 | byKeyDecMode, |
| 390 | pDevice->PortOffset, |
| 391 | pDevice->byLocalID) == TRUE) && |
| 392 | (KeybSetDefaultKey(&(pDevice->sKey), |
| 393 | dwKeyIndex, |
| 394 | param->u.wpa_key.key_len, |
| 395 | (PQWORD) &(KeyRSC), |
| 396 | (PBYTE)abyKey, |
| 397 | byKeyDecMode, |
| 398 | pDevice->PortOffset, |
| 399 | pDevice->byLocalID) == TRUE) ) { |
| 400 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "GROUP Key Assign.\n"); |
| 401 | |
| 402 | } else { |
| 403 | //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -KeybSetDefaultKey Fail.0\n")); |
| 404 | // spin_unlock_irq(&pDevice->lock); |
| 405 | return -EINVAL; |
| 406 | } |
| 407 | |
| 408 | } else { |
| 409 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Assign.\n"); |
| 410 | // BSSID not 0xffffffffffff |
| 411 | // Pairwise Key can't be WEP |
| 412 | if (byKeyDecMode == KEY_CTL_WEP) { |
| 413 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key can't be WEP\n"); |
| 414 | //spin_unlock_irq(&pDevice->lock); |
| 415 | return -EINVAL; |
| 416 | } |
| 417 | |
| 418 | dwKeyIndex |= (1 << 30); // set pairwise key |
| 419 | if (pMgmt->eConfigMode == WMAC_CONFIG_IBSS_STA) { |
| 420 | //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA - WMAC_CONFIG_IBSS_STA\n")); |
| 421 | //spin_unlock_irq(&pDevice->lock); |
| 422 | return -EINVAL; |
| 423 | } |
| 424 | if (KeybSetKey(&(pDevice->sKey), |
| 425 | ¶m->addr[0], |
| 426 | dwKeyIndex, |
| 427 | param->u.wpa_key.key_len, |
| 428 | (PQWORD) &(KeyRSC), |
| 429 | (PBYTE)abyKey, |
| 430 | byKeyDecMode, |
| 431 | pDevice->PortOffset, |
| 432 | pDevice->byLocalID) == TRUE) { |
| 433 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "Pairwise Key Set\n"); |
| 434 | |
| 435 | } else { |
| 436 | // Key Table Full |
| 437 | if (IS_ETH_ADDRESS_EQUAL(¶m->addr[0], pDevice->abyBSSID)) { |
| 438 | //DBG_PRN_WLAN03(("return NDIS_STATUS_INVALID_DATA -Key Table Full.2\n")); |
| 439 | //spin_unlock_irq(&pDevice->lock); |
| 440 | return -EINVAL; |
| 441 | |
| 442 | } else { |
| 443 | // Save Key and configure just before associate/reassociate to BSSID |
| 444 | // we do not implement now |
| 445 | //spin_unlock_irq(&pDevice->lock); |
| 446 | return -EINVAL; |
| 447 | } |
| 448 | } |
| 449 | } // BSSID not 0xffffffffffff |
| 450 | if ((ret == 0) && ((param->u.wpa_key.set_tx) != 0)) { |
| 451 | pDevice->byKeyIndex = (BYTE)param->u.wpa_key.key_index; |
| 452 | pDevice->bTransmitKey = TRUE; |
| 453 | } |
| 454 | pDevice->bEncryptionEnable = TRUE; |
| 455 | //spin_unlock_irq(&pDevice->lock); |
| 456 | |
| 457 | /* |
| 458 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO " key=%x-%x-%x-%x-%x-xxxxx \n", |
| 459 | pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][0], |
| 460 | pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][1], |
| 461 | pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][2], |
| 462 | pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][3], |
| 463 | pMgmt->sNodeDBTable[iNodeIndex].abyWepKey[byKeyIndex][4] |
| 464 | ); |
| 465 | */ |
| 466 | |
| 467 | return ret; |
| 468 | |
| 469 | } |
| 470 | |
| 471 | |
| 472 | /* |
| 473 | * Description: |
| 474 | * enable wpa auth & mode |
| 475 | * |
| 476 | * Parameters: |
| 477 | * In: |
| 478 | * pDevice - |
| 479 | * param - |
| 480 | * Out: |
| 481 | * |
| 482 | * Return Value: |
| 483 | * |
| 484 | */ |
| 485 | |
| 486 | static int wpa_set_wpa(PSDevice pDevice, |
| 487 | struct viawget_wpa_param *param) |
| 488 | { |
| 489 | |
| 490 | PSMgmtObject pMgmt = pDevice->pMgmt; |
| 491 | int ret = 0; |
| 492 | |
| 493 | pMgmt->eAuthenMode = WMAC_AUTH_OPEN; |
| 494 | pMgmt->bShareKeyAlgorithm = FALSE; |
| 495 | |
| 496 | return ret; |
| 497 | } |
| 498 | |
| 499 | |
| 500 | |
| 501 | |
| 502 | /* |
| 503 | * Description: |
| 504 | * set disassociate |
| 505 | * |
| 506 | * Parameters: |
| 507 | * In: |
| 508 | * pDevice - |
| 509 | * param - |
| 510 | * Out: |
| 511 | * |
| 512 | * Return Value: |
| 513 | * |
| 514 | */ |
| 515 | |
| 516 | static int wpa_set_disassociate(PSDevice pDevice, |
| 517 | struct viawget_wpa_param *param) |
| 518 | { |
| 519 | PSMgmtObject pMgmt = pDevice->pMgmt; |
| 520 | int ret = 0; |
| 521 | |
| 522 | spin_lock_irq(&pDevice->lock); |
| 523 | if (pDevice->bLinkPass) { |
| 524 | if (!memcmp(param->addr, pMgmt->abyCurrBSSID, 6)) |
| 525 | bScheduleCommand((HANDLE)pDevice, WLAN_CMD_DISASSOCIATE, NULL); |
| 526 | } |
| 527 | spin_unlock_irq(&pDevice->lock); |
| 528 | |
| 529 | return ret; |
| 530 | } |
| 531 | |
| 532 | |
| 533 | |
| 534 | /* |
| 535 | * Description: |
| 536 | * enable scan process |
| 537 | * |
| 538 | * Parameters: |
| 539 | * In: |
| 540 | * pDevice - |
| 541 | * param - |
| 542 | * Out: |
| 543 | * |
| 544 | * Return Value: |
| 545 | * |
| 546 | */ |
| 547 | |
| 548 | static int wpa_set_scan(PSDevice pDevice, |
| 549 | struct viawget_wpa_param *param) |
| 550 | { |
| 551 | int ret = 0; |
| 552 | |
| 553 | spin_lock_irq(&pDevice->lock); |
| 554 | BSSvClearBSSList((HANDLE)pDevice, pDevice->bLinkPass); |
| 555 | bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, NULL); |
| 556 | spin_unlock_irq(&pDevice->lock); |
| 557 | |
| 558 | return ret; |
| 559 | } |
| 560 | |
| 561 | |
| 562 | |
| 563 | /* |
| 564 | * Description: |
| 565 | * get bssid |
| 566 | * |
| 567 | * Parameters: |
| 568 | * In: |
| 569 | * pDevice - |
| 570 | * param - |
| 571 | * Out: |
| 572 | * |
| 573 | * Return Value: |
| 574 | * |
| 575 | */ |
| 576 | |
| 577 | static int wpa_get_bssid(PSDevice pDevice, |
| 578 | struct viawget_wpa_param *param) |
| 579 | { |
| 580 | PSMgmtObject pMgmt = pDevice->pMgmt; |
| 581 | int ret = 0; |
| 582 | |
| 583 | memcpy(param->u.wpa_associate.bssid, pMgmt->abyCurrBSSID , 6); |
| 584 | |
| 585 | return ret; |
| 586 | |
| 587 | } |
| 588 | |
| 589 | |
| 590 | /* |
| 591 | * Description: |
| 592 | * get bssid |
| 593 | * |
| 594 | * Parameters: |
| 595 | * In: |
| 596 | * pDevice - |
| 597 | * param - |
| 598 | * Out: |
| 599 | * |
| 600 | * Return Value: |
| 601 | * |
| 602 | */ |
| 603 | |
| 604 | static int wpa_get_ssid(PSDevice pDevice, |
| 605 | struct viawget_wpa_param *param) |
| 606 | { |
| 607 | PSMgmtObject pMgmt = pDevice->pMgmt; |
| 608 | PWLAN_IE_SSID pItemSSID; |
| 609 | int ret = 0; |
| 610 | |
| 611 | pItemSSID = (PWLAN_IE_SSID)pMgmt->abyCurrSSID; |
| 612 | |
| 613 | memcpy(param->u.wpa_associate.ssid, pItemSSID->abySSID , pItemSSID->len); |
| 614 | param->u.wpa_associate.ssid_len = pItemSSID->len; |
| 615 | |
| 616 | return ret; |
| 617 | } |
| 618 | |
| 619 | |
| 620 | |
| 621 | /* |
| 622 | * Description: |
| 623 | * get scan results |
| 624 | * |
| 625 | * Parameters: |
| 626 | * In: |
| 627 | * pDevice - |
| 628 | * param - |
| 629 | * Out: |
| 630 | * |
| 631 | * Return Value: |
| 632 | * |
| 633 | */ |
| 634 | |
| 635 | static int wpa_get_scan(PSDevice pDevice, |
| 636 | struct viawget_wpa_param *param) |
| 637 | { |
| 638 | struct viawget_scan_result *scan_buf; |
| 639 | PSMgmtObject pMgmt = pDevice->pMgmt; |
| 640 | PWLAN_IE_SSID pItemSSID; |
| 641 | PKnownBSS pBSS; |
| 642 | PBYTE pBuf; |
| 643 | int ret = 0; |
| 644 | u16 count = 0; |
| 645 | u16 ii, jj; |
| 646 | #if 1 |
| 647 | |
| 648 | PBYTE ptempBSS; |
| 649 | |
| 650 | |
| 651 | |
| 652 | ptempBSS = kmalloc(sizeof(KnownBSS), (int)GFP_ATOMIC); |
| 653 | |
| 654 | if (ptempBSS == NULL) { |
| 655 | |
| 656 | printk("bubble sort kmalloc memory fail@@@\n"); |
| 657 | |
| 658 | ret = -ENOMEM; |
| 659 | |
| 660 | return ret; |
| 661 | |
| 662 | } |
| 663 | |
| 664 | for (ii = 0; ii < MAX_BSS_NUM; ii++) { |
| 665 | |
| 666 | for(jj=0;jj<MAX_BSS_NUM-ii-1;jj++) { |
| 667 | |
| 668 | if((pMgmt->sBSSList[jj].bActive!=TRUE) || |
| 669 | |
| 670 | ((pMgmt->sBSSList[jj].uRSSI>pMgmt->sBSSList[jj+1].uRSSI) &&(pMgmt->sBSSList[jj+1].bActive!=FALSE))) { |
| 671 | |
| 672 | memcpy(ptempBSS,&pMgmt->sBSSList[jj],sizeof(KnownBSS)); |
| 673 | |
| 674 | memcpy(&pMgmt->sBSSList[jj],&pMgmt->sBSSList[jj+1],sizeof(KnownBSS)); |
| 675 | |
| 676 | memcpy(&pMgmt->sBSSList[jj+1],ptempBSS,sizeof(KnownBSS)); |
| 677 | |
| 678 | } |
| 679 | |
| 680 | } |
| 681 | |
| 682 | }; |
| 683 | |
| 684 | kfree(ptempBSS); |
| 685 | |
| 686 | // printk("bubble sort result:\n"); |
| 687 | |
| 688 | //for (ii = 0; ii < MAX_BSS_NUM; ii++) |
| 689 | |
| 690 | // printk("%d [%s]:RSSI=%d\n",ii,((PWLAN_IE_SSID)(pMgmt->sBSSList[ii].abySSID))->abySSID, |
| 691 | |
| 692 | // pMgmt->sBSSList[ii].uRSSI); |
| 693 | |
| 694 | #endif |
| 695 | |
| 696 | //******mike:bubble sort by stronger RSSI*****// |
| 697 | |
| 698 | |
| 699 | |
| 700 | |
| 701 | count = 0; |
| 702 | pBSS = &(pMgmt->sBSSList[0]); |
| 703 | for (ii = 0; ii < MAX_BSS_NUM; ii++) { |
| 704 | pBSS = &(pMgmt->sBSSList[ii]); |
| 705 | if (!pBSS->bActive) |
| 706 | continue; |
| 707 | count++; |
| 708 | }; |
| 709 | |
| 710 | pBuf = kmalloc(sizeof(struct viawget_scan_result) * count, (int)GFP_ATOMIC); |
| 711 | |
| 712 | if (pBuf == NULL) { |
| 713 | ret = -ENOMEM; |
| 714 | return ret; |
| 715 | } |
| 716 | memset(pBuf, 0, sizeof(struct viawget_scan_result) * count); |
| 717 | scan_buf = (struct viawget_scan_result *)pBuf; |
| 718 | pBSS = &(pMgmt->sBSSList[0]); |
| 719 | for (ii = 0, jj = 0; ii < MAX_BSS_NUM ; ii++) { |
| 720 | pBSS = &(pMgmt->sBSSList[ii]); |
| 721 | if (pBSS->bActive) { |
| 722 | if (jj >= count) |
| 723 | break; |
| 724 | memcpy(scan_buf->bssid, pBSS->abyBSSID, WLAN_BSSID_LEN); |
| 725 | pItemSSID = (PWLAN_IE_SSID)pBSS->abySSID; |
| 726 | memcpy(scan_buf->ssid, pItemSSID->abySSID, pItemSSID->len); |
| 727 | scan_buf->ssid_len = pItemSSID->len; |
| 728 | scan_buf->freq = frequency_list[pBSS->uChannel-1]; |
| 729 | scan_buf->caps = pBSS->wCapInfo; |
| 730 | //scan_buf->caps = pBSS->wCapInfo; |
| 731 | //scan_buf->qual = |
| 732 | //scan_buf->noise = |
| 733 | //scan_buf->level = |
| 734 | //scan_buf->maxrate = |
| 735 | if (pBSS->wWPALen != 0) { |
| 736 | scan_buf->wpa_ie_len = pBSS->wWPALen; |
| 737 | memcpy(scan_buf->wpa_ie, pBSS->byWPAIE, pBSS->wWPALen); |
| 738 | } |
| 739 | if (pBSS->wRSNLen != 0) { |
| 740 | scan_buf->rsn_ie_len = pBSS->wRSNLen; |
| 741 | memcpy(scan_buf->rsn_ie, pBSS->byRSNIE, pBSS->wRSNLen); |
| 742 | } |
| 743 | scan_buf = (struct viawget_scan_result *)((PBYTE)scan_buf + sizeof(struct viawget_scan_result)); |
| 744 | jj ++; |
| 745 | } |
| 746 | } |
| 747 | |
| 748 | if (jj < count) |
| 749 | count = jj; |
| 750 | |
| 751 | if (copy_to_user(param->u.scan_results.buf, pBuf, sizeof(struct viawget_scan_result) * count)) { |
| 752 | ret = -EFAULT; |
| 753 | }; |
| 754 | param->u.scan_results.scan_count = count; |
| 755 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO " param->u.scan_results.scan_count = %d\n", count) |
| 756 | |
| 757 | kfree(pBuf); |
| 758 | return ret; |
| 759 | } |
| 760 | |
| 761 | |
| 762 | |
| 763 | /* |
| 764 | * Description: |
| 765 | * set associate with AP |
| 766 | * |
| 767 | * Parameters: |
| 768 | * In: |
| 769 | * pDevice - |
| 770 | * param - |
| 771 | * Out: |
| 772 | * |
| 773 | * Return Value: |
| 774 | * |
| 775 | */ |
| 776 | |
| 777 | static int wpa_set_associate(PSDevice pDevice, |
| 778 | struct viawget_wpa_param *param) |
| 779 | { |
| 780 | PSMgmtObject pMgmt = pDevice->pMgmt; |
| 781 | PWLAN_IE_SSID pItemSSID; |
| 782 | BYTE abyNullAddr[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; |
| 783 | BYTE abyWPAIE[64]; |
| 784 | int ret = 0; |
| 785 | BOOL bWepEnabled=FALSE; |
| 786 | |
| 787 | // set key type & algorithm |
| 788 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "pairwise_suite = %d\n", param->u.wpa_associate.pairwise_suite); |
| 789 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "group_suite = %d\n", param->u.wpa_associate.group_suite); |
| 790 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "key_mgmt_suite = %d\n", param->u.wpa_associate.key_mgmt_suite); |
| 791 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "auth_alg = %d\n", param->u.wpa_associate.auth_alg); |
| 792 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "mode = %d\n", param->u.wpa_associate.mode); |
| 793 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ie_len = %d\n", param->u.wpa_associate.wpa_ie_len); |
| 794 | |
| 795 | |
| 796 | if (param->u.wpa_associate.wpa_ie && |
| 797 | copy_from_user(&abyWPAIE[0], param->u.wpa_associate.wpa_ie, param->u.wpa_associate.wpa_ie_len)) |
| 798 | return -EINVAL; |
| 799 | |
| 800 | if (param->u.wpa_associate.mode == 1) |
| 801 | pMgmt->eConfigMode = WMAC_CONFIG_IBSS_STA; |
| 802 | else |
| 803 | pMgmt->eConfigMode = WMAC_CONFIG_ESS_STA; |
| 804 | // set ssid |
| 805 | memset(pMgmt->abyDesireSSID, 0, WLAN_IEHDR_LEN + WLAN_SSID_MAXLEN + 1); |
| 806 | pItemSSID = (PWLAN_IE_SSID)pMgmt->abyDesireSSID; |
| 807 | pItemSSID->byElementID = WLAN_EID_SSID; |
| 808 | pItemSSID->len = param->u.wpa_associate.ssid_len; |
| 809 | memcpy(pItemSSID->abySSID, param->u.wpa_associate.ssid, pItemSSID->len); |
| 810 | // set bssid |
| 811 | if (memcmp(param->u.wpa_associate.bssid, &abyNullAddr[0], 6) != 0) |
| 812 | memcpy(pMgmt->abyDesireBSSID, param->u.wpa_associate.bssid, 6); |
| 813 | else |
| 814 | { |
| 815 | bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pItemSSID->abySSID); |
| 816 | } |
| 817 | |
| 818 | if (param->u.wpa_associate.wpa_ie_len == 0) { |
| 819 | if (param->u.wpa_associate.auth_alg & AUTH_ALG_SHARED_KEY) |
| 820 | pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY; |
| 821 | else |
| 822 | pMgmt->eAuthenMode = WMAC_AUTH_OPEN; |
| 823 | } else if (abyWPAIE[0] == RSN_INFO_ELEM) { |
| 824 | if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK) |
| 825 | pMgmt->eAuthenMode = WMAC_AUTH_WPA2PSK; |
| 826 | else |
| 827 | pMgmt->eAuthenMode = WMAC_AUTH_WPA2; |
| 828 | } else { |
| 829 | if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_WPA_NONE) |
| 830 | pMgmt->eAuthenMode = WMAC_AUTH_WPANONE; |
| 831 | else if (param->u.wpa_associate.key_mgmt_suite == KEY_MGMT_PSK) |
| 832 | pMgmt->eAuthenMode = WMAC_AUTH_WPAPSK; |
| 833 | else |
| 834 | pMgmt->eAuthenMode = WMAC_AUTH_WPA; |
| 835 | } |
| 836 | |
| 837 | switch (param->u.wpa_associate.pairwise_suite) { |
| 838 | case CIPHER_CCMP: |
| 839 | pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled; |
| 840 | break; |
| 841 | case CIPHER_TKIP: |
| 842 | pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled; |
| 843 | break; |
| 844 | case CIPHER_WEP40: |
| 845 | case CIPHER_WEP104: |
| 846 | pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled; |
| 847 | bWepEnabled=TRUE; |
| 848 | break; |
| 849 | case CIPHER_NONE: |
| 850 | if (param->u.wpa_associate.group_suite == CIPHER_CCMP) |
| 851 | pDevice->eEncryptionStatus = Ndis802_11Encryption3Enabled; |
| 852 | else |
| 853 | pDevice->eEncryptionStatus = Ndis802_11Encryption2Enabled; |
| 854 | break; |
| 855 | default: |
| 856 | pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled; |
| 857 | }; |
| 858 | |
| 859 | //DavidWang add for WPA_supplicant support open/share mode |
| 860 | |
| 861 | if (pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) { |
| 862 | pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled; |
| 863 | //pMgmt->eAuthenMode = WMAC_AUTH_SHAREKEY; |
| 864 | pMgmt->bShareKeyAlgorithm = TRUE; |
| 865 | } |
| 866 | else if (pMgmt->eAuthenMode == WMAC_AUTH_OPEN) { |
| 867 | if(!bWepEnabled) pDevice->eEncryptionStatus = Ndis802_11EncryptionDisabled; |
| 868 | else pDevice->eEncryptionStatus = Ndis802_11Encryption1Enabled; |
| 869 | //pMgmt->eAuthenMode = WMAC_AUTH_OPEN; |
| 870 | //pMgmt->bShareKeyAlgorithm = FALSE; //20080717-06,<Modify> by chester//Fix Open mode, WEP encrytion |
| 871 | } |
| 872 | //mike save old encryption status |
| 873 | pDevice->eOldEncryptionStatus = pDevice->eEncryptionStatus; |
| 874 | |
| 875 | if (pDevice->eEncryptionStatus != Ndis802_11EncryptionDisabled) |
| 876 | pDevice->bEncryptionEnable = TRUE; |
| 877 | else |
| 878 | pDevice->bEncryptionEnable = FALSE; |
| 879 | if (!((pMgmt->eAuthenMode == WMAC_AUTH_SHAREKEY) || |
| 880 | ((pMgmt->eAuthenMode == WMAC_AUTH_OPEN) && (bWepEnabled==TRUE))) ) //DavidWang //20080717-06,<Modify> by chester//Not to initial WEP |
| 881 | KeyvInitTable(&pDevice->sKey, pDevice->PortOffset); |
| 882 | spin_lock_irq(&pDevice->lock); |
| 883 | pDevice->bLinkPass = FALSE; |
| 884 | memset(pMgmt->abyCurrBSSID, 0, 6); |
| 885 | pMgmt->eCurrState = WMAC_STATE_IDLE; |
| 886 | netif_stop_queue(pDevice->dev); |
| 887 | //20080701-02,<Add> by Mike Liu |
| 888 | /*******search if ap_scan=2 ,which is associating request in hidden ssid mode ****/ |
| 889 | { |
| 890 | PKnownBSS pCurr = NULL; |
| 891 | pCurr = BSSpSearchBSSList(pDevice, |
| 892 | pMgmt->abyDesireBSSID, |
| 893 | pMgmt->abyDesireSSID, |
| 894 | pMgmt->eConfigPHYMode |
| 895 | ); |
| 896 | |
| 897 | if (pCurr == NULL){ |
| 898 | printk("wpa_set_associate---->hidden mode site survey before associate.......\n"); |
| 899 | bScheduleCommand((HANDLE) pDevice, WLAN_CMD_BSSID_SCAN, pMgmt->abyDesireSSID); |
| 900 | }; |
| 901 | } |
| 902 | /****************************************************************/ |
| 903 | bScheduleCommand((HANDLE) pDevice, WLAN_CMD_SSID, NULL); |
| 904 | spin_unlock_irq(&pDevice->lock); |
| 905 | |
| 906 | return ret; |
| 907 | } |
| 908 | |
| 909 | |
| 910 | /* |
| 911 | * Description: |
| 912 | * wpa_ioctl main function supported for wpa supplicant |
| 913 | * |
| 914 | * Parameters: |
| 915 | * In: |
| 916 | * pDevice - |
| 917 | * iw_point - |
| 918 | * Out: |
| 919 | * |
| 920 | * Return Value: |
| 921 | * |
| 922 | */ |
| 923 | |
| 924 | int wpa_ioctl(PSDevice pDevice, struct iw_point *p) |
| 925 | { |
| 926 | struct viawget_wpa_param *param; |
| 927 | int ret = 0; |
| 928 | int wpa_ioctl = 0; |
| 929 | |
| 930 | if (p->length < sizeof(struct viawget_wpa_param) || |
| 931 | p->length > VIAWGET_WPA_MAX_BUF_SIZE || !p->pointer) |
| 932 | return -EINVAL; |
| 933 | |
| 934 | param = (struct viawget_wpa_param *) kmalloc((int)p->length, (int)GFP_KERNEL); |
| 935 | if (param == NULL) |
| 936 | return -ENOMEM; |
| 937 | |
| 938 | if (copy_from_user(param, p->pointer, p->length)) { |
| 939 | ret = -EFAULT; |
| 940 | goto out; |
| 941 | } |
| 942 | |
| 943 | switch (param->cmd) { |
| 944 | case VIAWGET_SET_WPA: |
| 945 | ret = wpa_set_wpa(pDevice, param); |
| 946 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_WPA \n"); |
| 947 | break; |
| 948 | |
| 949 | case VIAWGET_SET_KEY: |
| 950 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_KEY \n"); |
| 951 | spin_lock_irq(&pDevice->lock); |
| 952 | ret = wpa_set_keys(pDevice, param, FALSE); |
| 953 | spin_unlock_irq(&pDevice->lock); |
| 954 | break; |
| 955 | |
| 956 | case VIAWGET_SET_SCAN: |
| 957 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_SCAN \n"); |
| 958 | ret = wpa_set_scan(pDevice, param); |
| 959 | break; |
| 960 | |
| 961 | case VIAWGET_GET_SCAN: |
| 962 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SCAN\n"); |
| 963 | ret = wpa_get_scan(pDevice, param); |
| 964 | wpa_ioctl = 1; |
| 965 | break; |
| 966 | |
| 967 | case VIAWGET_GET_SSID: |
| 968 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_SSID \n"); |
| 969 | ret = wpa_get_ssid(pDevice, param); |
| 970 | wpa_ioctl = 1; |
| 971 | break; |
| 972 | |
| 973 | case VIAWGET_GET_BSSID: |
| 974 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_GET_BSSID \n"); |
| 975 | ret = wpa_get_bssid(pDevice, param); |
| 976 | wpa_ioctl = 1; |
| 977 | break; |
| 978 | |
| 979 | case VIAWGET_SET_ASSOCIATE: |
| 980 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_ASSOCIATE \n"); |
| 981 | ret = wpa_set_associate(pDevice, param); |
| 982 | break; |
| 983 | |
| 984 | case VIAWGET_SET_DISASSOCIATE: |
| 985 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DISASSOCIATE \n"); |
| 986 | ret = wpa_set_disassociate(pDevice, param); |
| 987 | break; |
| 988 | |
| 989 | case VIAWGET_SET_DROP_UNENCRYPT: |
| 990 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DROP_UNENCRYPT \n"); |
| 991 | break; |
| 992 | |
| 993 | case VIAWGET_SET_DEAUTHENTICATE: |
| 994 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_SET_DEAUTHENTICATE \n"); |
| 995 | break; |
| 996 | |
| 997 | default: |
| 998 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ioctl: unknown cmd=%d\n", |
| 999 | param->cmd); |
| 1000 | return -EOPNOTSUPP; |
| 1001 | break; |
| 1002 | } |
| 1003 | |
| 1004 | if ((ret == 0) && wpa_ioctl) { |
| 1005 | if (copy_to_user(p->pointer, param, p->length)) { |
| 1006 | ret = -EFAULT; |
| 1007 | goto out; |
| 1008 | } |
| 1009 | } |
| 1010 | |
| 1011 | out: |
| 1012 | if (param != NULL) |
| 1013 | kfree(param); |
| 1014 | |
| 1015 | return ret; |
| 1016 | } |
| 1017 | |