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Subject[PATCH 18/47] staging: r8188eu: remove rtw_set_802_11_add_key()
Date
Function rtw_set_802_11_add_key() is not used, remove it.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
---
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 @@ u8 rtw_set_802_11_remove_wep(struct adapter *padapter, u32 keyindex)
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);
--
2.33.0
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