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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: wctl.h | |
20 | * | |
21 | * Purpose: | |
22 | * | |
23 | * Author: Jerry Chen | |
24 | * | |
25 | * Date: Jun. 27, 2002 | |
26 | * | |
27 | */ | |
28 | ||
92b96797 FB |
29 | #ifndef __WCTL_H__ |
30 | #define __WCTL_H__ | |
31 | ||
92b96797 | 32 | #include "tether.h" |
92b96797 | 33 | #include "device.h" |
92b96797 | 34 | |
92b96797 | 35 | #define IS_TYPE_DATA(pMACHeader) \ |
1cac4a4b | 36 | ((((struct ieee80211_hdr *) pMACHeader)->frame_control & TYPE_802_11_MASK) == TYPE_802_11_DATA) |
92b96797 FB |
37 | |
38 | #define IS_TYPE_MGMT(pMACHeader) \ | |
1cac4a4b | 39 | ((((struct ieee80211_hdr *) pMACHeader)->frame_control & TYPE_802_11_MASK) == TYPE_802_11_MGMT) |
92b96797 FB |
40 | |
41 | #define IS_TYPE_CONTROL(pMACHeader) \ | |
1cac4a4b | 42 | ((((struct ieee80211_hdr *) pMACHeader)->frame_control & TYPE_802_11_MASK) == TYPE_802_11_CTL) |
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43 | |
44 | #define IS_FC_MOREDATA(pMACHeader) \ | |
1cac4a4b | 45 | ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_MOREDATA) == FC_MOREDATA) |
92b96797 FB |
46 | |
47 | #define IS_FC_POWERMGT(pMACHeader) \ | |
1cac4a4b | 48 | ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_POWERMGT) == FC_POWERMGT) |
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49 | |
50 | #define IS_FC_RETRY(pMACHeader) \ | |
1cac4a4b | 51 | ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_RETRY) == FC_RETRY) |
92b96797 FB |
52 | |
53 | #define IS_FC_WEP(pMACHeader) \ | |
1cac4a4b | 54 | ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_WEP) == FC_WEP) |
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55 | |
56 | #ifdef __BIG_ENDIAN | |
57 | ||
58 | #define IS_FRAGMENT_PKT(pMACHeader) \ | |
1cac4a4b AM |
59 | (((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_MOREFRAG) != 0) | \ |
60 | ((((struct ieee80211_hdr *) pMACHeader)->seq_ctrl & 0x0F00) != 0)) | |
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61 | |
62 | #define IS_FIRST_FRAGMENT_PKT(pMACHeader) \ | |
1cac4a4b | 63 | ((((struct ieee80211_hdr *) pMACHeader)->seq_ctrl & 0x0F00) == 0) |
92b96797 FB |
64 | |
65 | #else | |
66 | ||
67 | #define IS_FRAGMENT_PKT(pMACHeader) \ | |
1cac4a4b AM |
68 | (((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_MOREFRAG) != 0) | \ |
69 | ((((struct ieee80211_hdr *) pMACHeader)->seq_ctrl & 0x000F) != 0)) | |
92b96797 FB |
70 | |
71 | #define IS_FIRST_FRAGMENT_PKT(pMACHeader) \ | |
1cac4a4b | 72 | ((((struct ieee80211_hdr *) pMACHeader)->seq_ctrl & 0x000F) == 0) |
92b96797 FB |
73 | |
74 | #endif//#ifdef __BIG_ENDIAN | |
75 | ||
76 | #define IS_LAST_FRAGMENT_PKT(pMACHeader) \ | |
1cac4a4b | 77 | ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_MOREFRAG) == 0) |
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78 | |
79 | #define IS_CTL_PSPOLL(pMACHeader) \ | |
1cac4a4b | 80 | ((((struct ieee80211_hdr *) pMACHeader)->frame_control & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL) |
92b96797 | 81 | |
92b96797 FB |
82 | #define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) { \ |
83 | if ((uVar) >= ((uModulo) - 1)) \ | |
84 | (uVar) = 0; \ | |
85 | else \ | |
86 | (uVar)++; \ | |
87 | } | |
88 | ||
1cac4a4b AM |
89 | bool WCTLbIsDuplicate(PSCache pCache, struct ieee80211_hdr *pMACHeader); |
90 | bool WCTLbHandleFragment(struct vnt_private *, struct ieee80211_hdr *pMACHeader, unsigned int cbFrameLength, bool bWEP, bool bExtIV); | |
91 | unsigned int WCTLuSearchDFCB(struct vnt_private *, struct ieee80211_hdr *pMACHeader); | |
92 | unsigned int WCTLuInsertDFCB(struct vnt_private *, struct ieee80211_hdr *pMACHeader); | |
92b96797 | 93 | |
e7b07d1d | 94 | #endif /* __WCTL_H__ */ |