1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/*
*************************************************************************
* Ralink Tech Inc.
* 5F., No.36, Taiyuan St., Jhubei City,
* Hsinchu County 302,
* Taiwan, R.O.C.
*
* (c) Copyright 2002-2007, Ralink Technology, Inc.
*
* 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., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
*************************************************************************
Module Name:
ipv6.h
Abstract:
Miniport generic portion header file
Revision History:
Who When What
-------- ---------- ----------------------------------------------
*/
#ifndef __IPV6_HDR_H_
#define __IPV6_HDR_H_
#define IPV6_ADDR_LEN 16
#define IPV6_HDR_LEN 40
// IPv6 address definition
#define IPV6_LINK_LOCAL_ADDR_PREFIX 0xFE8
#define IPV6_SITE_LOCAL_ADDR_PREFIX 0xFEC
#define IPV6_LOCAL_ADDR_PREFIX 0xFE8
#define IPV6_MULTICAST_ADDR_PREFIX 0xFF
#define IPV6_LOOPBACK_ADDR 0x1
#define IPV6_UNSPECIFIED_ADDR 0x0
// defined as sequence in IPv6 header
#define IPV6_NEXT_HEADER_HOP_BY_HOP 0x00 // 0
#define IPV6_NEXT_HEADER_DESTINATION 0x3c // 60
#define IPV6_NEXT_HEADER_ROUTING 0x2b // 43
#define IPV6_NEXT_HEADER_FRAGMENT 0x2c // 44
#define IPV6_NEXT_HEADER_AUTHENTICATION 0x33 // 51
#define IPV6_NEXT_HEADER_ENCAPSULATION 0x32 // 50, RFC-2406
#define IPV6_NEXT_HEADER_NONE 0x3b // 59
#define IPV6_NEXT_HEADER_TCP 0x06
#define IPV6_NEXT_HEADER_UDP 0x11
#define IPV6_NEXT_HEADER_ICMPV6 0x3a
// ICMPv6 msg type definition
#define ICMPV6_MSG_TYPE_ROUTER_SOLICITATION 0x85 // 133
#define ROUTER_SOLICITATION_FIXED_LEN 8
#define ICMPV6_MSG_TYPE_ROUTER_ADVERTISEMENT 0x86 // 134
#define ROUTER_ADVERTISEMENT_FIXED_LEN 16
#define ICMPV6_MSG_TYPE_NEIGHBOR_SOLICITATION 0x87 // 135
#define NEIGHBOR_SOLICITATION_FIXED_LEN 24
#define ICMPV6_MSG_TYPE_NEIGHBOR_ADVERTISEMENT 0x88 // 136
#define NEIGHBOR_ADVERTISEMENT_FIXED_LEN 24
#define ICMPV6_MSG_TYPE_REDIRECT 0x89 // 137
#define REDIRECT_FIXED_LEN 40
/* IPv6 Address related structures */
typedef struct rt_ipv6_addr_
{
union
{
UCHAR ipv6Addr8[16];
USHORT ipv6Addr16[8];
UINT32 ipv6Addr32[4];
}addr;
#define ipv6_addr addr.ipv6Addr8
#define ipv6_addr16 addr.ipv6Addr16
#define ipv6_addr32 addr.ipv6Addr32
}RT_IPV6_ADDR, *PRT_IPV6_ADDR;
#define PRINT_IPV6_ADDR(ipv6Addr) \
OS_NTOHS((ipv6Addr).ipv6_addr16[0]), \
OS_NTOHS((ipv6Addr).ipv6_addr16[1]), \
OS_NTOHS((ipv6Addr).ipv6_addr16[2]), \
OS_NTOHS((ipv6Addr).ipv6_addr16[3]), \
OS_NTOHS((ipv6Addr).ipv6_addr16[4]), \
OS_NTOHS((ipv6Addr).ipv6_addr16[5]), \
OS_NTOHS((ipv6Addr).ipv6_addr16[6]), \
OS_NTOHS((ipv6Addr).ipv6_addr16[7])
/*IPv6 Header related structures */
typedef struct PACKED _rt_ipv6_hdr_
{
UINT32 ver:4,
trafficClass:8,
flowLabel:20;
USHORT payload_len;
UCHAR nextHdr;
UCHAR hopLimit;
RT_IPV6_ADDR srcAddr;
RT_IPV6_ADDR dstAddr;
}RT_IPV6_HDR, *PRT_IPV6_HDR;
typedef struct PACKED _rt_ipv6_ext_hdr_
{
UCHAR nextProto; // Indicate the protocol type of next extension header.
UCHAR extHdrLen; // optional field for msg length of this extension header which didn't include the first "nextProto" field.
UCHAR octets[1]; // hook to extend header message body.
}RT_IPV6_EXT_HDR, *PRT_IPV6_EXT_HDR;
/* ICMPv6 related structures */
typedef struct PACKED _rt_ipv6_icmpv6_hdr_
{
UCHAR type;
UCHAR code;
USHORT chksum;
UCHAR octets[1]; //hook to extend header message body.
}RT_ICMPV6_HDR, *PRT_ICMPV6_HDR;
typedef struct PACKED _rt_icmp6_option_hdr_
{
UCHAR type;
UCHAR len;
UCHAR octet[1];
}RT_ICMPV6_OPTION_HDR, *PRT_ICMPV6_OPTION_HDR;
typedef enum{
// Defined ICMPv6 Option Types.
TYPE_SRC_LL_ADDR = 1,
TYPE_TGT_LL_ADDR = 2,
TYPE_PREFIX_INFO = 3,
TYPE_REDIRECTED_HDR = 4,
TYPE_MTU = 5,
}ICMPV6_OPTIONS_TYPE_DEF;
static inline BOOLEAN IPv6ExtHdrHandle(
RT_IPV6_EXT_HDR *pExtHdr,
UCHAR *pProto,
UINT32 *pOffset)
{
UCHAR nextProto = 0xff;
UINT32 extLen = 0;
BOOLEAN status = TRUE;
//printk("%s(): parsing the Extension Header with Protocol(0x%x):\n", __FUNCTION__, *pProto);
switch (*pProto)
{
case IPV6_NEXT_HEADER_HOP_BY_HOP:
// IPv6ExtHopByHopHandle();
nextProto = pExtHdr->nextProto;
extLen = (pExtHdr->extHdrLen + 1) * 8;
break;
case IPV6_NEXT_HEADER_DESTINATION:
// IPv6ExtDestHandle();
nextProto = pExtHdr->nextProto;
extLen = (pExtHdr->extHdrLen + 1) * 8;
break;
case IPV6_NEXT_HEADER_ROUTING:
// IPv6ExtRoutingHandle();
nextProto = pExtHdr->nextProto;
extLen = (pExtHdr->extHdrLen + 1) * 8;
break;
case IPV6_NEXT_HEADER_FRAGMENT:
// IPv6ExtFragmentHandle();
nextProto = pExtHdr->nextProto;
extLen = 8; // The Fragment header length is fixed to 8 bytes.
break;
case IPV6_NEXT_HEADER_AUTHENTICATION:
// IPV6_NEXT_HEADER_ENCAPSULATION:
/*
TODO: Not support. For encryption issue.
*/
nextProto = 0xFF;
status = FALSE;
break;
default:
nextProto = 0xFF;
status = FALSE;
break;
}
*pProto = nextProto;
*pOffset += extLen;
//printk("%s(): nextProto = 0x%x!, offset=0x%x!\n", __FUNCTION__, nextProto, offset);
return status;
}
#endif // __IPV6_HDR_H_ //
|
