From c94358d1f18a8b82539209f99de57c8228a63593 Mon Sep 17 00:00:00 2001 From: Michael Straube Date: Wed, 22 Sep 2021 22:03:51 +0200 Subject: [PATCH] staging: r8188eu: remove rtw_set_802_11_add_key() Function rtw_set_802_11_add_key() is not used, remove it. Signed-off-by: Michael Straube Link: https://lore.kernel.org/r/20210922200420.9693-19-straube.linux@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/r8188eu/core/rtw_ioctl_set.c | 230 ------------------ .../staging/r8188eu/include/rtw_ioctl_set.h | 1 - 2 files changed, 231 deletions(-) diff --git a/drivers/staging/r8188eu/core/rtw_ioctl_set.c b/drivers/staging/r8188eu/core/rtw_ioctl_set.c index a0702bfaa549..afa72b21fc0b 100644 --- a/drivers/staging/r8188eu/core/rtw_ioctl_set.c +++ b/drivers/staging/r8188eu/core/rtw_ioctl_set.c @@ -492,236 +492,6 @@ exit: return ret; } -u8 rtw_set_802_11_add_key(struct adapter *padapter, struct ndis_802_11_key *key) -{ - uint encryptionalgo; - u8 *pbssid; - struct sta_info *stainfo; - u8 bgroup = false; - u8 bgrouptkey = false;/* can be removed later */ - u8 ret = _SUCCESS; - - if (((key->KeyIndex & 0x80000000) == 0) && ((key->KeyIndex & 0x40000000) > 0)) { - /* It is invalid to clear bit 31 and set bit 30. If the miniport driver encounters this combination, */ - /* it must fail the request and return NDIS_STATUS_INVALID_DATA. */ - ret = _FAIL; - goto exit; - } - - if (key->KeyIndex & 0x40000000) { - /* Pairwise key */ - - pbssid = get_bssid(&padapter->mlmepriv); - stainfo = rtw_get_stainfo(&padapter->stapriv, pbssid); - - if (stainfo && padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) - encryptionalgo = stainfo->dot118021XPrivacy; - else - encryptionalgo = padapter->securitypriv.dot11PrivacyAlgrthm; - - if (key->KeyIndex & 0x000000FF) { - /* The key index is specified in the lower 8 bits by values of zero to 255. */ - /* The key index should be set to zero for a Pairwise key, and the driver should fail with */ - /* NDIS_STATUS_INVALID_DATA if the lower 8 bits is not zero */ - ret = _FAIL; - goto exit; - } - - /* check BSSID */ - if (is_broadcast_ether_addr(key->BSSID)) { - ret = false; - goto exit; - } - - /* Check key length for TKIP. */ - if ((encryptionalgo == _TKIP_) && (key->KeyLength != 32)) { - ret = _FAIL; - goto exit; - } - - /* Check key length for AES. */ - if ((encryptionalgo == _AES_) && (key->KeyLength != 16)) { - /* For our supplicant, EAPPkt9x.vxd, cannot differentiate TKIP and AES case. */ - if (key->KeyLength == 32) { - key->KeyLength = 16; - } else { - ret = _FAIL; - goto exit; - } - } - - /* Check key length for WEP. For NDTEST, 2005.01.27, by rcnjko. */ - if ((encryptionalgo == _WEP40_ || encryptionalgo == _WEP104_) && - (key->KeyLength != 5 && key->KeyLength != 13)) { - ret = _FAIL; - goto exit; - } - - bgroup = false; - } else { - /* Group key - KeyIndex(BIT(30) == 0) */ - /* when add wep key through add key and didn't assigned encryption type before */ - if ((padapter->securitypriv.ndisauthtype <= 3) && - (padapter->securitypriv.dot118021XGrpPrivacy == 0)) { - switch (key->KeyLength) { - case 5: - padapter->securitypriv.dot11PrivacyAlgrthm = _WEP40_; - break; - case 13: - padapter->securitypriv.dot11PrivacyAlgrthm = _WEP104_; - break; - default: - padapter->securitypriv.dot11PrivacyAlgrthm = _NO_PRIVACY_; - break; - } - - encryptionalgo = padapter->securitypriv.dot11PrivacyAlgrthm; - } else { - encryptionalgo = padapter->securitypriv.dot118021XGrpPrivacy; - } - - if (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE) && !is_broadcast_ether_addr(key->BSSID)) { - ret = _FAIL; - goto exit; - } - - /* Check key length for TKIP */ - if ((encryptionalgo == _TKIP_) && (key->KeyLength != 32)) { - ret = _FAIL; - goto exit; - } else if (encryptionalgo == _AES_ && (key->KeyLength != 16 && key->KeyLength != 32)) { - /* Check key length for AES */ - /* For NDTEST, we allow keylen = 32 in this case. 2005.01.27, by rcnjko. */ - ret = _FAIL; - goto exit; - } - - /* Change the key length for EAPPkt9x.vxd. Added by Annie, 2005-11-03. */ - if ((encryptionalgo == _AES_) && (key->KeyLength == 32)) - key->KeyLength = 16; - - if (key->KeyIndex & 0x8000000) {/* error ??? 0x8000_0000 */ - bgrouptkey = true; - } - - if ((check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE)) && - (check_fwstate(&padapter->mlmepriv, _FW_LINKED))) - bgrouptkey = true; - bgroup = true; - } - - /* If WEP encryption algorithm, just call rtw_set_802_11_add_wep(). */ - if ((padapter->securitypriv.dot11AuthAlgrthm != dot11AuthAlgrthm_8021X) && - (encryptionalgo == _WEP40_ || encryptionalgo == _WEP104_)) { - u32 keyindex; - u32 len = FIELD_OFFSET(struct ndis_802_11_key, KeyMaterial) + key->KeyLength; - struct ndis_802_11_wep *wep = &padapter->securitypriv.ndiswep; - - wep->Length = len; - keyindex = key->KeyIndex & 0x7fffffff; - wep->KeyIndex = keyindex; - wep->KeyLength = key->KeyLength; - - memcpy(wep->KeyMaterial, key->KeyMaterial, key->KeyLength); - memcpy(&padapter->securitypriv.dot11DefKey[keyindex].skey[0], key->KeyMaterial, key->KeyLength); - - padapter->securitypriv.dot11DefKeylen[keyindex] = key->KeyLength; - padapter->securitypriv.dot11PrivacyKeyIndex = keyindex; - - ret = rtw_set_802_11_add_wep(padapter, wep); - goto exit; - } - if (key->KeyIndex & 0x20000000) { - /* SetRSC */ - if (bgroup) { - unsigned long long keysrc = key->KeyRSC & 0x00FFFFFFFFFFFFULL; - memcpy(&padapter->securitypriv.dot11Grprxpn, &keysrc, 8); - } else { - unsigned long long keysrc = key->KeyRSC & 0x00FFFFFFFFFFFFULL; - memcpy(&padapter->securitypriv.dot11Grptxpn, &keysrc, 8); - } - } - - /* Indicate this key idx is used for TX */ - /* Save the key in KeyMaterial */ - if (bgroup) { /* Group transmit key */ - int res; - - if (bgrouptkey) - padapter->securitypriv.dot118021XGrpKeyid = (u8)key->KeyIndex; - if ((key->KeyIndex & 0x3) == 0) { - ret = _FAIL; - goto exit; - } - memset(&padapter->securitypriv.dot118021XGrpKey[(u8)((key->KeyIndex) & 0x03)], 0, 16); - memset(&padapter->securitypriv.dot118021XGrptxmickey[(u8)((key->KeyIndex) & 0x03)], 0, 16); - memset(&padapter->securitypriv.dot118021XGrprxmickey[(u8)((key->KeyIndex) & 0x03)], 0, 16); - - if ((key->KeyIndex & 0x10000000)) { - memcpy(&padapter->securitypriv.dot118021XGrptxmickey[(u8)((key->KeyIndex) & 0x03)], key->KeyMaterial + 16, 8); - memcpy(&padapter->securitypriv.dot118021XGrprxmickey[(u8)((key->KeyIndex) & 0x03)], key->KeyMaterial + 24, 8); - } else { - memcpy(&padapter->securitypriv.dot118021XGrptxmickey[(u8)((key->KeyIndex) & 0x03)], key->KeyMaterial + 24, 8); - memcpy(&padapter->securitypriv.dot118021XGrprxmickey[(u8)((key->KeyIndex) & 0x03)], key->KeyMaterial + 16, 8); - } - - /* set group key by index */ - memcpy(&padapter->securitypriv.dot118021XGrpKey[(u8)((key->KeyIndex) & 0x03)], key->KeyMaterial, key->KeyLength); - - key->KeyIndex = key->KeyIndex & 0x03; - - padapter->securitypriv.binstallGrpkey = true; - - padapter->securitypriv.bcheck_grpkey = false; - - res = rtw_set_key(padapter, &padapter->securitypriv, key->KeyIndex, 1); - - if (res == _FAIL) - ret = _FAIL; - - goto exit; - - } else { /* Pairwise Key */ - u8 res; - - pbssid = get_bssid(&padapter->mlmepriv); - stainfo = rtw_get_stainfo(&padapter->stapriv, pbssid); - - if (stainfo) { - memset(&stainfo->dot118021x_UncstKey, 0, 16);/* clear keybuffer */ - - memcpy(&stainfo->dot118021x_UncstKey, key->KeyMaterial, 16); - - if (encryptionalgo == _TKIP_) { - padapter->securitypriv.busetkipkey = false; - - /* _set_timer(&padapter->securitypriv.tkip_timer, 50); */ - - /* if TKIP, save the Receive/Transmit MIC key in KeyMaterial[128-255] */ - if ((key->KeyIndex & 0x10000000)) { - memcpy(&stainfo->dot11tkiptxmickey, key->KeyMaterial + 16, 8); - memcpy(&stainfo->dot11tkiprxmickey, key->KeyMaterial + 24, 8); - - } else { - memcpy(&stainfo->dot11tkiptxmickey, key->KeyMaterial + 24, 8); - memcpy(&stainfo->dot11tkiprxmickey, key->KeyMaterial + 16, 8); - } - } - - /* Set key to CAM through H2C command */ - if (bgrouptkey) /* never go to here */ - res = rtw_setstakey_cmd(padapter, (unsigned char *)stainfo, false); - else - res = rtw_setstakey_cmd(padapter, (unsigned char *)stainfo, true); - if (!res) - ret = _FAIL; - } - } -exit: - - return ret; -} - u8 rtw_set_802_11_remove_key(struct adapter *padapter, struct ndis_802_11_remove_key *key) { u8 *pbssid; diff --git a/drivers/staging/r8188eu/include/rtw_ioctl_set.h b/drivers/staging/r8188eu/include/rtw_ioctl_set.h index 6216b8ab3a79..3f4b4873eb98 100644 --- a/drivers/staging/r8188eu/include/rtw_ioctl_set.h +++ b/drivers/staging/r8188eu/include/rtw_ioctl_set.h @@ -8,7 +8,6 @@ typedef u8 NDIS_802_11_PMKID_VALUE[16]; -u8 rtw_set_802_11_add_key(struct adapter *adapt, struct ndis_802_11_key *key); u8 rtw_set_802_11_authentication_mode(struct adapter *adapt, enum ndis_802_11_auth_mode authmode); u8 rtw_set_802_11_bssid(struct adapter*adapter, u8 *bssid); -- 2.20.1