diff options
Diffstat (limited to 'drivers/staging/rt2860/common/cmm_cfg.c')
| -rw-r--r-- | drivers/staging/rt2860/common/cmm_cfg.c | 258 |
1 files changed, 258 insertions, 0 deletions
diff --git a/drivers/staging/rt2860/common/cmm_cfg.c b/drivers/staging/rt2860/common/cmm_cfg.c new file mode 100644 index 000000000000..24f439378439 --- /dev/null +++ b/drivers/staging/rt2860/common/cmm_cfg.c @@ -0,0 +1,258 @@ +/* + ************************************************************************* + * Ralink Tech Inc. + * 5F., No.36, Taiyuan St., Jhubei City, + * Hsinchu County 302, + * Taiwan, R.O.C. + * + * (c) Copyright 2002-2007, Ralink Technology, Inc. + * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + * * + ************************************************************************* + + Module Name: + cmm_cfg.c + + Abstract: + Ralink WiFi Driver configuration related subroutines + + Revision History: + Who When What + --------- ---------- ---------------------------------------------- +*/ + +#include "../rt_config.h" + +char *GetPhyMode(int Mode) +{ + switch (Mode) { + case MODE_CCK: + return "CCK"; + + case MODE_OFDM: + return "OFDM"; + case MODE_HTMIX: + return "HTMIX"; + + case MODE_HTGREENFIELD: + return "GREEN"; + default: + return "N/A"; + } +} + +char *GetBW(int BW) +{ + switch (BW) { + case BW_10: + return "10M"; + + case BW_20: + return "20M"; + case BW_40: + return "40M"; + default: + return "N/A"; + } +} + +/* + ========================================================================== + Description: + Set Country Region to pAd->CommonCfg.CountryRegion. + This command will not work, if the field of CountryRegion in eeprom is programmed. + + Return: + TRUE if all parameters are OK, FALSE otherwise + ========================================================================== +*/ +int RT_CfgSetCountryRegion(struct rt_rtmp_adapter *pAd, char *arg, int band) +{ + long region, regionMax; + u8 *pCountryRegion; + + region = simple_strtol(arg, 0, 10); + + if (band == BAND_24G) { + pCountryRegion = &pAd->CommonCfg.CountryRegion; + regionMax = REGION_MAXIMUM_BG_BAND; + } else { + pCountryRegion = &pAd->CommonCfg.CountryRegionForABand; + regionMax = REGION_MAXIMUM_A_BAND; + } + + /* TODO: Is it neccesay for following check??? */ + /* Country can be set only when EEPROM not programmed */ + if (*pCountryRegion & 0x80) { + DBGPRINT(RT_DEBUG_ERROR, + ("CfgSetCountryRegion():CountryRegion in eeprom was programmed\n")); + return FALSE; + } + + if ((region >= 0) && (region <= REGION_MAXIMUM_BG_BAND)) { + *pCountryRegion = (u8)region; + } else if ((region == REGION_31_BG_BAND) && (band == BAND_24G)) { + *pCountryRegion = (u8)region; + } else { + DBGPRINT(RT_DEBUG_ERROR, + ("CfgSetCountryRegion():region(%ld) out of range!\n", + region)); + return FALSE; + } + + return TRUE; + +} + +/* + ========================================================================== + Description: + Set Wireless Mode + Return: + TRUE if all parameters are OK, FALSE otherwise + ========================================================================== +*/ +int RT_CfgSetWirelessMode(struct rt_rtmp_adapter *pAd, char *arg) +{ + int MaxPhyMode = PHY_11G; + long WirelessMode; + + MaxPhyMode = PHY_11N_5G; + + WirelessMode = simple_strtol(arg, 0, 10); + if (WirelessMode <= MaxPhyMode) { + pAd->CommonCfg.PhyMode = WirelessMode; + return TRUE; + } + + return FALSE; + +} + +int RT_CfgSetShortSlot(struct rt_rtmp_adapter *pAd, char *arg) +{ + long ShortSlot; + + ShortSlot = simple_strtol(arg, 0, 10); + + if (ShortSlot == 1) + pAd->CommonCfg.bUseShortSlotTime = TRUE; + else if (ShortSlot == 0) + pAd->CommonCfg.bUseShortSlotTime = FALSE; + else + return FALSE; /*Invalid argument */ + + return TRUE; +} + +/* + ========================================================================== + Description: + Set WEP KEY base on KeyIdx + Return: + TRUE if all parameters are OK, FALSE otherwise + ========================================================================== +*/ +int RT_CfgSetWepKey(struct rt_rtmp_adapter *pAd, + char *keyString, + struct rt_cipher_key *pSharedKey, int keyIdx) +{ + int KeyLen; + int i; + u8 CipherAlg = CIPHER_NONE; + BOOLEAN bKeyIsHex = FALSE; + + /* TODO: Shall we do memset for the original key info?? */ + memset(pSharedKey, 0, sizeof(struct rt_cipher_key)); + KeyLen = strlen(keyString); + switch (KeyLen) { + case 5: /*wep 40 Ascii type */ + case 13: /*wep 104 Ascii type */ + bKeyIsHex = FALSE; + pSharedKey->KeyLen = KeyLen; + NdisMoveMemory(pSharedKey->Key, keyString, KeyLen); + break; + + case 10: /*wep 40 Hex type */ + case 26: /*wep 104 Hex type */ + for (i = 0; i < KeyLen; i++) { + if (!isxdigit(*(keyString + i))) + return FALSE; /*Not Hex value; */ + } + bKeyIsHex = TRUE; + pSharedKey->KeyLen = KeyLen / 2; + AtoH(keyString, pSharedKey->Key, pSharedKey->KeyLen); + break; + + default: /*Invalid argument */ + DBGPRINT(RT_DEBUG_TRACE, + ("RT_CfgSetWepKey(keyIdx=%d):Invalid argument (arg=%s)\n", + keyIdx, keyString)); + return FALSE; + } + + pSharedKey->CipherAlg = ((KeyLen % 5) ? CIPHER_WEP128 : CIPHER_WEP64); + DBGPRINT(RT_DEBUG_TRACE, + ("RT_CfgSetWepKey:(KeyIdx=%d,type=%s, Alg=%s)\n", keyIdx, + (bKeyIsHex == FALSE ? "Ascii" : "Hex"), + CipherName[CipherAlg])); + + return TRUE; +} + +/* + ========================================================================== + Description: + Set WPA PSK key + + Arguments: + pAdapter Pointer to our adapter + keyString WPA pre-shared key string + pHashStr String used for password hash function + hashStrLen Lenght of the hash string + pPMKBuf Output buffer of WPAPSK key + + Return: + TRUE if all parameters are OK, FALSE otherwise + ========================================================================== +*/ +int RT_CfgSetWPAPSKKey(struct rt_rtmp_adapter *pAd, + char *keyString, + u8 * pHashStr, + int hashStrLen, u8 *pPMKBuf) +{ + int keyLen; + u8 keyMaterial[40]; + + keyLen = strlen(keyString); + if ((keyLen < 8) || (keyLen > 64)) { + DBGPRINT(RT_DEBUG_TRACE, + ("WPAPSK Key length(%d) error, required 8 ~ 64 characters!(keyStr=%s)\n", + keyLen, keyString)); + return FALSE; + } + + memset(pPMKBuf, 0, 32); + if (keyLen == 64) { + AtoH(keyString, pPMKBuf, 32); + } else { + PasswordHash(keyString, pHashStr, hashStrLen, keyMaterial); + NdisMoveMemory(pPMKBuf, keyMaterial, 32); + } + + return TRUE; +} |