tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
29#ifndef __WCTL_H__
30#define __WCTL_H__
31
32#include "tether.h"
33#include "device.h"
34
35#define IS_TYPE_DATA(pMACHeader) \
36 ((((struct ieee80211_hdr *) pMACHeader)->frame_control & TYPE_802_11_MASK) == TYPE_802_11_DATA)
37
38#define IS_TYPE_MGMT(pMACHeader) \
39 ((((struct ieee80211_hdr *) pMACHeader)->frame_control & TYPE_802_11_MASK) == TYPE_802_11_MGMT)
40
41#define IS_TYPE_CONTROL(pMACHeader) \
42 ((((struct ieee80211_hdr *) pMACHeader)->frame_control & TYPE_802_11_MASK) == TYPE_802_11_CTL)
43
44#define IS_FC_MOREDATA(pMACHeader) \
45 ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_MOREDATA) == FC_MOREDATA)
46
47#define IS_FC_POWERMGT(pMACHeader) \
48 ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_POWERMGT) == FC_POWERMGT)
49
50#define IS_FC_RETRY(pMACHeader) \
51 ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_RETRY) == FC_RETRY)
52
53#define IS_FC_WEP(pMACHeader) \
54 ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_WEP) == FC_WEP)
55
56#ifdef __BIG_ENDIAN
57
58#define IS_FRAGMENT_PKT(pMACHeader) \
59 (((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_MOREFRAG) != 0) | \
60 ((((struct ieee80211_hdr *) pMACHeader)->seq_ctrl & 0x0F00) != 0))
61
62#define IS_FIRST_FRAGMENT_PKT(pMACHeader) \
63 ((((struct ieee80211_hdr *) pMACHeader)->seq_ctrl & 0x0F00) == 0)
64
65#else
66
67#define IS_FRAGMENT_PKT(pMACHeader) \
68 (((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_MOREFRAG) != 0) | \
69 ((((struct ieee80211_hdr *) pMACHeader)->seq_ctrl & 0x000F) != 0))
70
71#define IS_FIRST_FRAGMENT_PKT(pMACHeader) \
72 ((((struct ieee80211_hdr *) pMACHeader)->seq_ctrl & 0x000F) == 0)
73
74#endif//#ifdef __BIG_ENDIAN
75
76#define IS_LAST_FRAGMENT_PKT(pMACHeader) \
77 ((((struct ieee80211_hdr *) pMACHeader)->frame_control & FC_MOREFRAG) == 0)
78
79#define IS_CTL_PSPOLL(pMACHeader) \
80 ((((struct ieee80211_hdr *) pMACHeader)->frame_control & TYPE_SUBTYPE_MASK) == TYPE_CTL_PSPOLL)
81
82#define ADD_ONE_WITH_WRAP_AROUND(uVar, uModulo) { \
83 if ((uVar) >= ((uModulo) - 1)) \
84 (uVar) = 0; \
85 else \
86 (uVar)++; \
87}
88
89bool WCTLbIsDuplicate(PSCache pCache, struct ieee80211_hdr *pMACHeader);
90bool WCTLbHandleFragment(struct vnt_private *, struct ieee80211_hdr *pMACHeader, unsigned int cbFrameLength, bool bWEP, bool bExtIV);
91unsigned int WCTLuSearchDFCB(struct vnt_private *, struct ieee80211_hdr *pMACHeader);
92unsigned int WCTLuInsertDFCB(struct vnt_private *, struct ieee80211_hdr *pMACHeader);
93
94#endif /* __WCTL_H__ */