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Diffstat (limited to 'drivers/staging/vt6656/wctl.h')
| -rw-r--r-- | drivers/staging/vt6656/wctl.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/drivers/staging/vt6656/wctl.h b/drivers/staging/vt6656/wctl.h new file mode 100644 index 00000000000..14cb4117704 --- /dev/null +++ b/drivers/staging/vt6656/wctl.h @@ -0,0 +1,94 @@ +/* + * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. + * All rights reserved. + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * File: wctl.h + * + * Purpose: + * + * Author: Jerry Chen + * + * Date: Jun. 27, 2002 + * + */ + +#ifndef __WCTL_H__ +#define __WCTL_H__ + +#include "tether.h" +#include "device.h" + +#define IS_TYPE_DATA(pMACHeader) \ + ((((struct ieee80211_hdr *) pMACHeader)->frame_control & TYPE_802_11_MASK) == TYPE_802_11_DATA) + +#define IS_TYPE_MGMT(pMACHeader) \ + ((((struct ieee80211_hdr *) pMACHeader)->frame_control & TYPE_802_11_MASK) == TYPE_802_11_MGMT) + +#define IS_TYPE_CONTROL(pMACHeader) \ + ((((struct ieee80211_hdr *) pMACHeader)->frame_control & TYPE_802_11_MASK) == TYPE_802_11_CTL) + +#define IS_FC_MOREDATA(pMACHeader) \ + ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_MOREDATA) == FC_MOREDATA) + +#define IS_FC_POWERMGT(pMACHeader) \ + ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_POWERMGT) == FC_POWERMGT) + +#define IS_FC_RETRY(pMACHeader) \ + ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_RETRY) == FC_RETRY) + +#define IS_FC_WEP(pMACHeader) \ + ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_WEP) == FC_WEP) + +#ifdef __BIG_ENDIAN + +#define IS_FRAGMENT_PKT(pMACHeader) \ + (((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_MOREFRAG) != 0) | \ + ((((struct ieee80211_hdr *) pMACHeader)->seq_ctrl & 0x0F00) != 0)) + +#define IS_FIRST_FRAGMENT_PKT(pMACHeader) \ + ((((struct ieee80211_hdr *) pMACHeader)->seq_ctrl & 0x0F00) == 0) + +#else + +#define IS_FRAGMENT_PKT(pMACHeader) \ + (((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_MOREFRAG) != 0) | \ + ((((struct ieee80211_hdr *) pMACHeader)->seq_ctrl & 0x000F) != 0)) + +#define IS_FIRST_FRAGMENT_PKT(pMACHeader) \ + ((((struct ieee80211_hdr *) pMACHeader)->seq_ctrl & 0x000F) == 0) + +#endif//#ifdef __BIG_ENDIAN + +#define IS_LAST_FRAGMENT_PKT(pMACHeader) \ + ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_MOREFRAG) == 0) + +#define IS_CTL_PSPOLL(pMACHeader) \ + ((((struct ieee80211_hdr *) pMACHeader)->frame_control & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL) + +#define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) { \ + if ((uVar) >= ((uModulo) - 1)) \ + (uVar) = 0; \ + else \ + (uVar)++; \ +} + +bool WCTLbIsDuplicate(PSCache pCache, struct ieee80211_hdr *pMACHeader); +bool WCTLbHandleFragment(struct vnt_private *, struct ieee80211_hdr *pMACHeader, unsigned int cbFrameLength, bool bWEP, bool bExtIV); +unsigned int WCTLuSearchDFCB(struct vnt_private *, struct ieee80211_hdr *pMACHeader); +unsigned int WCTLuInsertDFCB(struct vnt_private *, struct ieee80211_hdr *pMACHeader); + +#endif /* __WCTL_H__ */ |