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#ifdef __BIG_ENDIAN
47
48#define TYPE_PKT_IP         0x0800      //
49#define TYPE_PKT_ARP        0x0806      //
50#define TYPE_PKT_RARP       0x8035      //
51#define TYPE_PKT_IPX	    0x8137	    //
52#define TYPE_PKT_802_1x     0x888e
53#define TYPE_PKT_PreAuth    0x88C7
54
55#define TYPE_PKT_PING_M_REQ 0x8011      // master reguest
56#define TYPE_PKT_PING_S_GNT 0x8022      // slave grant
57#define TYPE_PKT_PING_M     0x8077      // pingpong master packet
58#define TYPE_PKT_PING_S     0x8088      // pingpong slave packet
59#define TYPE_PKT_WOL_M_REQ  0x8033      // WOL waker request
60#define TYPE_PKT_WOL_S_GNT  0x8044      // WOL sleeper grant
61#define TYPE_MGMT_PROBE_RSP 0x5000
62#define TYPE_PKT_VNT_DIAG   0x8011      // Diag Pkt
63#define TYPE_PKT_VNT_PER    0x8888      // Diag PER Pkt
64//
65// wFrameCtl field in the S802_11Header
66//
67// NOTE....
68//   in network byte order, high byte is going first
69#define FC_TODS             0x0001
70#define FC_FROMDS           0x0002
71#define FC_MOREFRAG         0x0004
72#define FC_RETRY            0x0008
73#define FC_POWERMGT         0x0010
74#define FC_MOREDATA         0x0020
75#define FC_WEP              0x0040
76#define TYPE_802_11_ATIM    0x9000
77
78#define TYPE_802_11_DATA    0x0800
79#define TYPE_802_11_CTL     0x0400
80#define TYPE_802_11_MGMT    0x0000
81#define TYPE_802_11_MASK    0x0C00
82#define TYPE_SUBTYPE_MASK   0xFC00
83#define TYPE_802_11_NODATA  0x4000
84#define TYPE_DATE_NULL      0x4800
85
86#define TYPE_CTL_PSPOLL     0xa400
87#define TYPE_CTL_RTS        0xb400
88#define TYPE_CTL_CTS        0xc400
89#define TYPE_CTL_ACK        0xd400
90
91#else //if LITTLE_ENDIAN
92//
93// wType field in the SEthernetHeader
94//
95// NOTE....
96//   in network byte order, high byte is going first
97#define TYPE_PKT_IP         0x0008      //
98#define TYPE_PKT_ARP        0x0608      //
99#define TYPE_PKT_RARP       0x3580      //
100#define TYPE_PKT_IPX	    0x3781	    //
101
102#define TYPE_PKT_802_1x     0x8e88
103#define TYPE_PKT_PreAuth    0xC788
104
105#define TYPE_PKT_PING_M_REQ 0x1180      // master reguest
106#define TYPE_PKT_PING_S_GNT 0x2280      // slave grant
107#define TYPE_PKT_PING_M     0x7780      // pingpong master packet
108#define TYPE_PKT_PING_S     0x8880      // pingpong slave packet
109#define TYPE_PKT_WOL_M_REQ  0x3380      // WOL waker request
110#define TYPE_PKT_WOL_S_GNT  0x4480      // WOL sleeper grant
111#define TYPE_MGMT_PROBE_RSP 0x0050
112#define TYPE_PKT_VNT_DIAG   0x1180      // Diag Pkt
113#define TYPE_PKT_VNT_PER    0x8888      // Diag PER Pkt
114//
115// wFrameCtl field in the S802_11Header
116//
117// NOTE....
118//   in network byte order, high byte is going first
119#define FC_TODS             0x0100
120#define FC_FROMDS           0x0200
121#define FC_MOREFRAG         0x0400
122#define FC_RETRY            0x0800
123#define FC_POWERMGT         0x1000
124#define FC_MOREDATA         0x2000
125#define FC_WEP              0x4000
126#define TYPE_802_11_ATIM    0x0090
127
128#define TYPE_802_11_DATA    0x0008
129#define TYPE_802_11_CTL     0x0004
130#define TYPE_802_11_MGMT    0x0000
131#define TYPE_802_11_MASK    0x000C
132#define TYPE_SUBTYPE_MASK   0x00FC
133#define TYPE_802_11_NODATA  0x0040
134#define TYPE_DATE_NULL      0x0048
135
136#define TYPE_CTL_PSPOLL     0x00a4
137#define TYPE_CTL_RTS        0x00b4
138#define TYPE_CTL_CTS        0x00c4
139#define TYPE_CTL_ACK        0x00d4
140
141#endif //#ifdef __BIG_ENDIAN
142
143#define WEP_IV_MASK         0x00FFFFFF
144
145/*---------------------  Export Types  ------------------------------*/
146//
147// Ethernet packet
148//
149typedef struct tagSEthernetHeader {
150	unsigned char abyDstAddr[ETH_ALEN];
151	unsigned char abySrcAddr[ETH_ALEN];
152	unsigned short wType;
153} __attribute__ ((__packed__))
154SEthernetHeader, *PSEthernetHeader;
155
156//
157// 802_3 packet
158//
159typedef struct tagS802_3Header {
160	unsigned char abyDstAddr[ETH_ALEN];
161	unsigned char abySrcAddr[ETH_ALEN];
162	unsigned short wLen;
163} __attribute__ ((__packed__))
164S802_3Header, *PS802_3Header;
165
166//
167// 802_11 packet
168//
169typedef struct tagS802_11Header {
170	unsigned short wFrameCtl;
171	unsigned short wDurationID;
172	unsigned char abyAddr1[ETH_ALEN];
173	unsigned char abyAddr2[ETH_ALEN];
174	unsigned char abyAddr3[ETH_ALEN];
175	unsigned short wSeqCtl;
176	unsigned char abyAddr4[ETH_ALEN];
177} __attribute__ ((__packed__))
178S802_11Header, *PS802_11Header;
179
180/*---------------------  Export Macros ------------------------------*/
181
182/*---------------------  Export Classes  ----------------------------*/
183
184/*---------------------  Export Variables  --------------------------*/
185
186/*---------------------  Export Functions  --------------------------*/
187
188unsigned char ETHbyGetHashIndexByCrc32(unsigned char *pbyMultiAddr);
189//unsigned char ETHbyGetHashIndexByCrc(unsigned char *pbyMultiAddr);
190bool ETHbIsBufferCrc32Ok(unsigned char *pbyBuffer, unsigned int cbFrameLength);
191
192#endif // __TETHER_H__
193