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tether.h
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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: tether.h
20  *
21  * Purpose:
22  *
23  * Author: Tevin Chen
24  *
25  * Date: Jan. 28, 1997
26  *
27  */
28 
29 #ifndef __TETHER_H__
30 #define __TETHER_H__
31 
32 #include <linux/etherdevice.h>
33 #include "ttype.h"
34 
35 /*--------------------- Export Definitions -------------------------*/
36 //
37 // constants
38 //
39 #define U_ETHER_ADDR_STR_LEN (ETH_ALEN * 2 + 1)
40  // Ethernet address string length
41 
42 #define MAX_LOOKAHEAD_SIZE ETH_FRAME_LEN
43 
44 #define U_MULTI_ADDR_LEN 8 // multicast address length
45 
46 
47 #ifdef __BIG_ENDIAN
48 
49 #define TYPE_PKT_IP 0x0800 //
50 #define TYPE_PKT_ARP 0x0806 //
51 #define TYPE_PKT_RARP 0x8035 //
52 #define TYPE_PKT_IPX 0x8137 //
53 #define TYPE_PKT_802_1x 0x888e
54 #define TYPE_PKT_PreAuth 0x88C7
55 
56 #define TYPE_PKT_PING_M_REQ 0x8011 // master reguest
57 #define TYPE_PKT_PING_S_GNT 0x8022 // slave grant
58 #define TYPE_PKT_PING_M 0x8077 // pingpong master packet
59 #define TYPE_PKT_PING_S 0x8088 // pingpong slave packet
60 #define TYPE_PKT_WOL_M_REQ 0x8033 // WOL waker request
61 #define TYPE_PKT_WOL_S_GNT 0x8044 // WOL sleeper grant
62 #define TYPE_MGMT_PROBE_RSP 0x5000
63 #define TYPE_PKT_VNT_DIAG 0x8011 // Diag Pkt
64 #define TYPE_PKT_VNT_PER 0x8888 // Diag PER Pkt
65 //
66 // wFrameCtl field in the S802_11Header
67 //
68 // NOTE....
69 // in network byte order, high byte is going first
70 #define FC_TODS 0x0001
71 #define FC_FROMDS 0x0002
72 #define FC_MOREFRAG 0x0004
73 #define FC_RETRY 0x0008
74 #define FC_POWERMGT 0x0010
75 #define FC_MOREDATA 0x0020
76 #define FC_WEP 0x0040
77 #define TYPE_802_11_ATIM 0x9000
78 
79 #define TYPE_802_11_DATA 0x0800
80 #define TYPE_802_11_CTL 0x0400
81 #define TYPE_802_11_MGMT 0x0000
82 #define TYPE_802_11_MASK 0x0C00
83 #define TYPE_SUBTYPE_MASK 0xFC00
84 #define TYPE_802_11_NODATA 0x4000
85 #define TYPE_DATE_NULL 0x4800
86 
87 #define TYPE_CTL_PSPOLL 0xa400
88 #define TYPE_CTL_RTS 0xb400
89 #define TYPE_CTL_CTS 0xc400
90 #define TYPE_CTL_ACK 0xd400
91 
92 
93 #else //if LITTLE_ENDIAN
94 //
95 // wType field in the SEthernetHeader
96 //
97 // NOTE....
98 // in network byte order, high byte is going first
99 #define TYPE_PKT_IP 0x0008 //
100 #define TYPE_PKT_ARP 0x0608 //
101 #define TYPE_PKT_RARP 0x3580 //
102 #define TYPE_PKT_IPX 0x3781 //
103 
104 #define TYPE_PKT_802_1x 0x8e88
105 #define TYPE_PKT_PreAuth 0xC788
106 
107 #define TYPE_PKT_PING_M_REQ 0x1180 // master reguest
108 #define TYPE_PKT_PING_S_GNT 0x2280 // slave grant
109 #define TYPE_PKT_PING_M 0x7780 // pingpong master packet
110 #define TYPE_PKT_PING_S 0x8880 // pingpong slave packet
111 #define TYPE_PKT_WOL_M_REQ 0x3380 // WOL waker request
112 #define TYPE_PKT_WOL_S_GNT 0x4480 // WOL sleeper grant
113 #define TYPE_MGMT_PROBE_RSP 0x0050
114 #define TYPE_PKT_VNT_DIAG 0x1180 // Diag Pkt
115 #define TYPE_PKT_VNT_PER 0x8888 // Diag PER Pkt
116 //
117 // wFrameCtl field in the S802_11Header
118 //
119 // NOTE....
120 // in network byte order, high byte is going first
121 #define FC_TODS 0x0100
122 #define FC_FROMDS 0x0200
123 #define FC_MOREFRAG 0x0400
124 #define FC_RETRY 0x0800
125 #define FC_POWERMGT 0x1000
126 #define FC_MOREDATA 0x2000
127 #define FC_WEP 0x4000
128 #define TYPE_802_11_ATIM 0x0090
129 
130 #define TYPE_802_11_DATA 0x0008
131 #define TYPE_802_11_CTL 0x0004
132 #define TYPE_802_11_MGMT 0x0000
133 #define TYPE_802_11_MASK 0x000C
134 #define TYPE_SUBTYPE_MASK 0x00FC
135 #define TYPE_802_11_NODATA 0x0040
136 #define TYPE_DATE_NULL 0x0048
137 
138 #define TYPE_CTL_PSPOLL 0x00a4
139 #define TYPE_CTL_RTS 0x00b4
140 #define TYPE_CTL_CTS 0x00c4
141 #define TYPE_CTL_ACK 0x00d4
142 
143 
144 
145 #endif //#ifdef __BIG_ENDIAN
146 
147 #define WEP_IV_MASK 0x00FFFFFF
148 
149 /*--------------------- Export Types ------------------------------*/
150 //
151 // Ethernet packet
152 //
153 typedef struct tagSEthernetHeader {
154  unsigned char abyDstAddr[ETH_ALEN];
155  unsigned char abySrcAddr[ETH_ALEN];
156  unsigned short wType;
157 }__attribute__ ((__packed__))
158 SEthernetHeader, *PSEthernetHeader;
161 //
162 // 802_3 packet
163 //
165  unsigned char abyDstAddr[ETH_ALEN];
166  unsigned char abySrcAddr[ETH_ALEN];
167  unsigned short wLen;
168 }__attribute__ ((__packed__))
169 S802_3Header, *PS802_3Header;
170 
171 //
172 // 802_11 packet
173 //
175  unsigned short wFrameCtl;
176  unsigned short wDurationID;
177  unsigned char abyAddr1[ETH_ALEN];
178  unsigned char abyAddr2[ETH_ALEN];
179  unsigned char abyAddr3[ETH_ALEN];
180  unsigned short wSeqCtl;
181  unsigned char abyAddr4[ETH_ALEN];
182 }__attribute__ ((__packed__))
183 S802_11Header, *PS802_11Header;
185 /*--------------------- Export Macros ------------------------------*/
187 /*--------------------- Export Classes ----------------------------*/
189 /*--------------------- Export Variables --------------------------*/
191 /*--------------------- Export Functions --------------------------*/
192 
193 unsigned char ETHbyGetHashIndexByCrc32(unsigned char *pbyMultiAddr);
194 //unsigned char ETHbyGetHashIndexByCrc(unsigned char *pbyMultiAddr);
195 bool ETHbIsBufferCrc32Ok(unsigned char *pbyBuffer, unsigned int cbFrameLength);
196 
197 #endif // __TETHER_H__
198 
199 
200