1 /* main.c - Application main entry point */
2
3 /*
4 * Copyright (c) 2017 Intel Corporation
5 *
6 * SPDX-License-Identifier: Apache-2.0
7 */
8
9 #include <zephyr/logging/log.h>
10 LOG_MODULE_REGISTER(net_test, CONFIG_NET_IPV6_LOG_LEVEL);
11
12 #include <zephyr/types.h>
13 #include <stdbool.h>
14 #include <stddef.h>
15 #include <string.h>
16 #include <errno.h>
17 #include <zephyr/sys/printk.h>
18 #include <zephyr/linker/sections.h>
19 #include <zephyr/random/random.h>
20
21 #include <zephyr/ztest.h>
22
23 #include <zephyr/net/ethernet.h>
24 #include <zephyr/net/dummy.h>
25 #include <zephyr/net_buf.h>
26 #include <zephyr/net/net_ip.h>
27 #include <zephyr/net/net_if.h>
28
29 #define NET_LOG_ENABLED 1
30 #include "net_private.h"
31
32 #include "ipv6.h"
33 #include "udp_internal.h"
34
35 /* Interface 1 addresses */
36 static struct in6_addr my_addr1 = { { { 0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0,
37 0, 0, 0, 0, 0, 0, 0, 0x1 } } };
38
39 /* Interface 2 addresses */
40 static struct in6_addr my_addr2 = { { { 0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0,
41 0, 0, 0, 0, 0, 0, 0, 0x2 } } };
42
43 /* Extra address is assigned to ll_addr */
44 static struct in6_addr ll_addr = { { { 0xfe, 0x80, 0x43, 0xb8, 0, 0, 0, 0,
45 0, 0, 0, 0xf2, 0xaa, 0x29, 0x02,
46 0x04 } } };
47
48 static struct net_linkaddr ll_addr2 = {
49 .addr = { 0x02, 0x00, 0x00, 0x00, 0x00, 0x02 },
50 .len = 6,
51 };
52
53 /* No extension header */
54 static const unsigned char ipv6_udp[] = {
55 /* IPv6 header starts here */
56 0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x11, 0x3f, /* `....6.? */
57 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
58 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
59 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
60 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
61 /* UDP header starts here (leave checksum field empty) */
62 0xaa, 0xdc, 0xbf, 0xd7, 0x00, 0x2e, 0x00, 0x00, /* ......M. */
63 /* User data starts here and is appended in corresponding function */
64 };
65
66 /* IPv6 hop-by-hop option in the message */
67 static const unsigned char ipv6_hbho[] = {
68 /* IPv6 header starts here */
69 0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x3f, /* `....6.? */
70 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
71 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
72 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
73 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
74 /* Hop-by-hop option starts here */
75 0x11, 0x00,
76 /* RPL sub-option starts here */
77 0x63, 0x04, 0x80, 0x1e, 0x01, 0x00, /* ..c..... */
78 /* UDP header starts here (leave checksum field empty) */
79 0xaa, 0xdc, 0xbf, 0xd7, 0x00, 0x2e, 0x00, 0x00, /* ......M. */
80 /* User data starts here and is appended in corresponding function */
81 };
82
83 /* IPv6 hop-by-hop option in the message HBHO (72 Bytes) */
84 static const unsigned char ipv6_hbho_1[] = {
85 /* IPv6 header starts here */
86 0x60, 0x00, 0x00, 0x00, 0x00, 0x78, 0x00, 0x40,
87 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
88 0x08, 0xc0, 0xde, 0xff, 0xfe, 0x9b, 0xb4, 0x47,
89 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
90 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
91 /* Hop-by-hop option starts here */
92 0x11, 0x08,
93 /* Padding */
94 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
95 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
96 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
97 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
98 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
99 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
100 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
101 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
102 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
103 /* UDP header starts here (8 bytes) */
104 0x4e, 0x20, 0x10, 0x92, 0x00, 0x30, 0xa1, 0xc5,
105 /* User data starts here (40 bytes) */
106 0x30, 0x26, 0x02, 0x01, 0x00, 0x04, 0x06, 0x70,
107 0x75, 0x62, 0x6c, 0x69, 0x63, 0xa0, 0x19, 0x02,
108 0x01, 0x00, 0x02, 0x01, 0x00, 0x02, 0x01, 0x00,
109 0x30, 0x0e, 0x30, 0x0c, 0x06, 0x08, 0x2b, 0x06,
110 0x01, 0x02, 0x01, 0x01, 0x05, 0x00, 0x05, 0x00 };
111
112 /* IPv6 hop-by-hop option in the message HBHO (104 Bytes) */
113 static const unsigned char ipv6_hbho_2[] = {
114 /* IPv6 header starts here */
115 0x60, 0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x40,
116 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
117 0x08, 0xc0, 0xde, 0xff, 0xfe, 0x9b, 0xb4, 0x47,
118 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
119 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
120 /* Hop-by-hop option starts here */
121 0x11, 0x0c,
122 /* padding */
123 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
124 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
125 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
126 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
127 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
128 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
129 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
130 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
131 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
132 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
133 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
134 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
135 0x01, 0x04, 0x00, 0x00, 0x00, 0x00,
136 /* udp header starts here (8 bytes) */
137 0x4e, 0x20, 0x10, 0x92, 0x00, 0x30, 0xa1, 0xc5,
138 /* User data starts here (40 bytes) */
139 0x30, 0x26, 0x02, 0x01, 0x00, 0x04, 0x06, 0x70,
140 0x75, 0x62, 0x6c, 0x69, 0x63, 0xa0, 0x19, 0x02,
141 0x01, 0x00, 0x02, 0x01, 0x00, 0x02, 0x01, 0x00,
142 0x30, 0x0e, 0x30, 0x0c, 0x06, 0x08, 0x2b, 0x06,
143 0x01, 0x02, 0x01, 0x01, 0x05, 0x00, 0x05, 0x00 };
144
145 /* IPv6 hop-by-hop option in the message HBHO (920 bytes) */
146 static const unsigned char ipv6_hbho_3[] = {
147 /* IPv6 header starts here */
148 0x60, 0x00, 0x00, 0x00, 0x03, 0xc8, 0x00, 0x40,
149 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
150 0x08, 0xc0, 0xde, 0xff, 0xfe, 0x9b, 0xb4, 0x47,
151 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
152 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
153 /* Hop-by-hop option starts here */
154 0x11, 0x72,
155 /* padding */
156 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
157 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
158 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
159 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
160 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
161 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
162 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
163 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
164 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
165 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
166 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
167 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
168 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
169 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
170 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
171 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
172 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
173 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
174 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
175 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
176 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
177 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
178 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
179 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
180 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
181 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
182 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
183 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
184 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
185 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
186 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
187 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
188 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
189 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
190 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
191 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
192 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
193 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
194 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
195 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
196 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
197 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
198 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
199 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
200 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
201 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
202 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
203 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
204 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
205 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
206 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
207 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
208 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
209 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
210 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
211 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
212 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
213 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
214 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
215 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
216 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
217 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
218 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
219 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
220 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
221 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
222 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
223 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
224 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
225 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
226 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
227 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
228 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
229 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
230 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
231 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
232 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
233 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
234 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
235 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
236 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
237 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
238 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
239 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
240 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
241 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
242 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
243 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
244 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
245 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
246 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
247 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
248 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
249 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
250 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
251 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
252 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
253 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
254 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
255 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
256 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
257 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
258 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
259 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
260 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
261 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
262 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
263 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
264 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
265 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
266 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
267 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
268 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
269 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
270 0x01, 0x04, 0x00, 0x00, 0x00, 0x00,
271 /* udp header starts here (8 bytes) */
272 0x4e, 0x20, 0x10, 0x92, 0x00, 0x30, 0xa1, 0xc5,
273 /* User data starts here (40 bytes) */
274 0x30, 0x26, 0x02, 0x01, 0x00, 0x04, 0x06, 0x70,
275 0x75, 0x62, 0x6c, 0x69, 0x63, 0xa0, 0x19, 0x02,
276 0x01, 0x00, 0x02, 0x01, 0x00, 0x02, 0x01, 0x00,
277 0x30, 0x0e, 0x30, 0x0c, 0x06, 0x08, 0x2b, 0x06,
278 0x01, 0x02, 0x01, 0x01, 0x05, 0x00, 0x05, 0x00
279 };
280
281 /* IPv6 hop-by-hop option in the message */
282 static const unsigned char ipv6_hbho_frag[] = {
283 /* IPv6 header starts here */
284 0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x3f, /* `....6.? */
285 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
286 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
287 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
288 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
289 /* Hop-by-hop option starts here */
290 0x2c, 0x00,
291 /* RPL sub-option starts here */
292 0x63, 0x04, 0x80, 0x1e, 0x01, 0x00, /* ..c..... */
293 /* IPv6 fragment header */
294 0x11, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04,
295 /* UDP header starts here (checksum is "fixed" in this example) */
296 0xaa, 0xdc, 0xbf, 0xd7, 0x00, 0x2e, 0xa2, 0x55, /* ......M. */
297 /* User data starts here and is appended in corresponding function */
298 };
299
300 /* IPv6 hop-by-hop option in the message */
301 static const unsigned char ipv6_hbho_frag_1[] = {
302 /* IPv6 header starts here */
303 0x60, 0x00, 0x00, 0x00, 0x05, 0xb0, 0x00, 0x40
304 , 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
305 , 0x08, 0xc0, 0xde, 0xff, 0xfe, 0xc9, 0xa0, 0x4b
306 , 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00
307 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
308 /* Hop-by-hop option starts here */
309 , 0x2c, 0x80
310 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
311 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
312 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
313 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
314 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
315 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
316 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
317 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
318 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
319 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
320 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
321 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
322 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
323 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
324 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
325 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
326 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
327 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
328 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
329 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
330 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
331 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
332 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
333 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
334 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
335 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
336 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
337 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
338 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
339 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
340 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
341 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
342 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
343 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
344 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
345 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
346 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
347 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
348 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
349 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
350 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
351 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
352 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
353 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
354 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
355 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
356 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
357 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
358 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
359 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
360 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
361 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
362 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
363 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
364 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
365 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
366 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
367 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
368 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
369 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
370 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
371 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
372 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
373 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
374 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
375 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
376 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
377 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
378 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
379 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
380 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
381 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
382 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
383 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
384 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
385 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
386 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
387 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
388 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
389 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
390 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
391 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
392 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
393 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
394 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
395 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
396 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
397 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
398 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
399 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
400 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
401 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
402 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
403 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
404 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
405 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
406 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
407 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
408 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
409 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
410 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
411 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
412 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
413 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
414 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
415 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
416 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
417 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
418 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
419 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
420 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
421 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
422 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
423 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
424 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
425 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
426 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
427 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
428 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
429 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
430 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
431 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
432 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
433 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
434 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
435 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
436 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
437 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
438 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
439 /* IPv6 fragment header */
440 , 0x3a, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02
441 /* ICMPv6 header and Data*/
442 , 0x80, 0x00, 0x13, 0xdf, 0x19, 0xc7, 0x19, 0xc7
443 , 0x54, 0x65, 0x73, 0x74, 0x2d, 0x67, 0x72, 0x6f
444 , 0x75, 0x70, 0x3a, 0x49, 0x50, 0x76, 0x36, 0x2e
445 , 0x49, 0x50, 0x76, 0x36, 0x2e, 0x49, 0x43, 0x4d
446 , 0x50, 0x76, 0x36, 0x2e, 0x45, 0x63, 0x68, 0x6f
447 , 0x2d, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74
448 , 0x2e, 0x49, 0x50, 0x76, 0x36, 0x2d, 0x50, 0x61
449 , 0x63, 0x6b, 0x65, 0x74, 0x2e, 0x70, 0x61, 0x79
450 , 0x6c, 0x6f, 0x61, 0x64, 0x2e, 0x69, 0x70, 0x76
451 , 0x36, 0x2d, 0x65, 0x78, 0x74, 0x65, 0x6e, 0x73
452 , 0x69, 0x6f, 0x6e, 0x2d, 0x68, 0x65, 0x61, 0x64
453 , 0x65, 0x72, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x65
454 , 0x72, 0x2d, 0x68, 0x6f, 0x70, 0x2d, 0x62, 0x79
455 , 0x2d, 0x68, 0x6f, 0x70, 0x2d, 0x6f, 0x70, 0x74
456 , 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x6f, 0x70, 0x74
457 , 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x65, 0x6c, 0x65
458 , 0x6d, 0x65, 0x6e, 0x74, 0x3b, 0x54, 0x65, 0x73
459 , 0x74, 0x2d, 0x63, 0x61, 0x73, 0x65, 0x3a, 0x32
460 , 0x31, 0x33, 0x30, 0x01, 0x02, 0x03, 0x04, 0x01
461 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
462 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
463 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
464 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
465 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
466 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
467 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
468 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
469 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
470 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
471 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
472 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
473 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
474 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
475 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
476 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
477 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
478 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
479 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
480 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
481 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
482 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
483 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
484 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
485 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
486 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
487 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
488 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
489 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
490 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
491 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
492 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
493 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
494 };
495
496 /* IPv6 hop-by-hop option in the message */
497 static const unsigned char ipv6_large_hbho[] = {
498 /* IPv6 header starts here */
499 0x60, 0x00, 0x00, 0x00, 0x05, 0xa8, 0x00, 0x40
500 , 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00
501 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
502 , 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00
503 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02
504 /* Hop-by-hop option starts here */
505 , 0x3a, 0x80
506 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
507 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
508 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
509 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
510 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
511 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
512 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
513 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
514 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
515 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
516 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
517 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
518 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
519 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
520 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
521 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
522 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
523 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
524 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
525 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
526 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
527 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
528 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
529 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
530 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
531 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
532 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
533 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
534 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
535 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
536 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
537 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
538 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
539 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
540 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
541 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
542 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
543 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
544 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
545 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
546 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
547 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
548 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
549 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
550 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
551 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
552 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
553 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
554 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
555 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
556 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
557 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
558 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
559 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
560 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
561 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
562 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
563 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
564 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
565 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
566 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
567 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
568 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
569 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
570 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
571 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
572 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
573 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
574 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
575 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
576 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
577 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
578 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
579 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
580 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
581 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
582 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
583 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
584 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
585 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
586 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
587 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
588 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
589 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
590 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
591 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
592 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
593 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
594 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
595 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
596 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
597 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
598 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
599 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
600 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
601 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
602 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
603 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
604 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
605 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
606 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
607 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
608 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
609 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
610 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
611 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
612 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
613 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
614 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
615 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
616 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
617 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
618 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
619 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
620 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
621 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
622 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
623 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
624 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
625 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
626 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
627 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
628 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
629 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
630 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
631 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
632 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
633 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
634 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
635 /* ICMPv6 header and Data*/
636 , 0x80, 0x00, 0x13, 0xdf, 0x19, 0xc7, 0x19, 0xc7
637 , 0x54, 0x65, 0x73, 0x74, 0x2d, 0x67, 0x72, 0x6f
638 , 0x75, 0x70, 0x3a, 0x49, 0x50, 0x76, 0x36, 0x2e
639 , 0x49, 0x50, 0x76, 0x36, 0x2e, 0x49, 0x43, 0x4d
640 , 0x50, 0x76, 0x36, 0x2e, 0x45, 0x63, 0x68, 0x6f
641 , 0x2d, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74
642 , 0x2e, 0x49, 0x50, 0x76, 0x36, 0x2d, 0x50, 0x61
643 , 0x63, 0x6b, 0x65, 0x74, 0x2e, 0x70, 0x61, 0x79
644 , 0x6c, 0x6f, 0x61, 0x64, 0x2e, 0x69, 0x70, 0x76
645 , 0x36, 0x2d, 0x65, 0x78, 0x74, 0x65, 0x6e, 0x73
646 , 0x69, 0x6f, 0x6e, 0x2d, 0x68, 0x65, 0x61, 0x64
647 , 0x65, 0x72, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x65
648 , 0x72, 0x2d, 0x68, 0x6f, 0x70, 0x2d, 0x62, 0x79
649 , 0x2d, 0x68, 0x6f, 0x70, 0x2d, 0x6f, 0x70, 0x74
650 , 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x6f, 0x70, 0x74
651 , 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x65, 0x6c, 0x65
652 , 0x6d, 0x65, 0x6e, 0x74, 0x3b, 0x54, 0x65, 0x73
653 , 0x74, 0x2d, 0x63, 0x61, 0x73, 0x65, 0x3a, 0x32
654 , 0x31, 0x33, 0x30, 0x01, 0x02, 0x03, 0x04, 0x01
655 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
656 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
657 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
658 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
659 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
660 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
661 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
662 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
663 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
664 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
665 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
666 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
667 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
668 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
669 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
670 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
671 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
672 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
673 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
674 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
675 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
676 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
677 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
678 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
679 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
680 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
681 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
682 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
683 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
684 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
685 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
686 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
687 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
688 };
689
690 static unsigned char ipv6_first_frag[] = {
691 /* IPv6 header starts here */
692 0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x3f, /* `....6.? */
693 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
694 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
695 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
696 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
697 /* Hop-by-hop option starts here */
698 0x2C, 0x00,
699 /* RPL sub-option starts here */
700 0x63, 0x04, 0x80, 0x1e, 0x01, 0x00, /* ..c..... */
701 /* IPv6 fragment header */
702 0x11, 0x00, 0x00, 0x01, 0x01, 0x02, 0x03, 0x04,
703 /* UDP header starts here (checksum is "fixed" in this example) */
704 0xaa, 0xdc, 0xbf, 0xd7, 0x00, 0x2e, 0xa2, 0x55, /* ......M. */
705 /* User data starts here and is appended in corresponding function */
706 };
707
708 static unsigned char ipv6_second_frag[] = {
709 /* IPv6 header starts here */
710 0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x3f, /* `....6.? */
711 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
712 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
713 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
714 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
715 /* Hop-by-hop option starts here */
716 0x2C, 0x00,
717 /* RPL sub-option starts here */
718 0x63, 0x04, 0x80, 0x1e, 0x01, 0x00, /* ..c..... */
719 /* IPv6 fragment header */
720 0x11, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04,
721 };
722
723 static unsigned char ipv6_frag_wo_hbho[] = {
724 0x60, 0x08, 0xd7, 0x22, 0x05, 0x1c, 0x3a, 0x40,
725 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
726 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
727 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
728 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
729 /* ICMPv6 header */
730 0x80, 0x00, 0xb2, 0xb2, 0x28, 0x5b, 0x00, 0x01,
731 /* Payload */
732 0x55, 0x85, 0x93, 0x5c, 0x00, 0x00, 0x00, 0x00,
733 0x72, 0xe0, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00,
734 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
735 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
736 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
737 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
738 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
739 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
740 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
741 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
742 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
743 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
744 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
745 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
746 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
747 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
748 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
749 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
750 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
751 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
752 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
753 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
754 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
755 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
756 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
757 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
758 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
759 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
760 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
761 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
762 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
763 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
764 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
765 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
766 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
767 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
768 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
769 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
770 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
771 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
772 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
773 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
774 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
775 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
776 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
777 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
778 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
779 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
780 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
781 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
782 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
783 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
784 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
785 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
786 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
787 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
788 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
789 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
790 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
791 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
792 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
793 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
794 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
795 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
796 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
797 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
798 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
799 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
800 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
801 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
802 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
803 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
804 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
805 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
806 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
807 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
808 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
809 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
810 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
811 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
812 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
813 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
814 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
815 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
816 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
817 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
818 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
819 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
820 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
821 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
822 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
823 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
824 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
825 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
826 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
827 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
828 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
829 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
830 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
831 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
832 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
833 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
834 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
835 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
836 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
837 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
838 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
839 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
840 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
841 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
842 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
843 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
844 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
845 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
846 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
847 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
848 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
849 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
850 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
851 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
852 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
853 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
854 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
855 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
856 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
857 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
858 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
859 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
860 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
861 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
862 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
863 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
864 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
865 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
866 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
867 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
868 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
869 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
870 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
871 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
872 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
873 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
874 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
875 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
876 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
877 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
878 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
879 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
880 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
881 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
882 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
883 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
884 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
885 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
886 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
887 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
888 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
889 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
890 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
891 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
892 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
893 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
894 0x10, 0x11, 0x12, 0x13
895 };
896
897 static int frag_count;
898
899 static struct net_if *iface1;
900
901 static bool test_failed;
902 static bool test_started;
903 static bool test_complete;
904 static struct k_sem wait_data;
905
906 static uint16_t pkt_data_len;
907 static uint16_t pkt_recv_data_len;
908
909 #define WAIT_TIME K_SECONDS(1)
910
911 #define ALLOC_TIMEOUT K_MSEC(500)
912
913 struct net_if_test {
914 uint8_t idx;
915 uint8_t mac_addr[sizeof(struct net_eth_addr)];
916 struct net_linkaddr ll_addr;
917 };
918
919 enum net_test_type {
920 NO_TEST_TYPE,
921 IPV6_SMALL_HBHO_FRAG,
922 IPV6_LARGE_HBHO_FRAG,
923 IPV6_WITHOUT_HBHO_FRAG,
924 IPV6_UDP_LOOPBACK,
925 };
926
927 static enum net_test_type test_type = NO_TEST_TYPE;
928
net_iface_get_mac(const struct device * dev)929 static uint8_t *net_iface_get_mac(const struct device *dev)
930 {
931 struct net_if_test *data = dev->data;
932
933 if (data->mac_addr[2] == 0x00) {
934 /* 00-00-5E-00-53-xx Documentation RFC 7042 */
935 data->mac_addr[0] = 0x00;
936 data->mac_addr[1] = 0x00;
937 data->mac_addr[2] = 0x5E;
938 data->mac_addr[3] = 0x00;
939 data->mac_addr[4] = 0x53;
940 data->mac_addr[5] = sys_rand8_get();
941 }
942
943 memcpy(data->ll_addr.addr, data->mac_addr, sizeof(data->mac_addr));
944 data->ll_addr.len = 6U;
945
946 return data->mac_addr;
947 }
948
net_iface_init(struct net_if * iface)949 static void net_iface_init(struct net_if *iface)
950 {
951 uint8_t *mac = net_iface_get_mac(net_if_get_device(iface));
952
953 net_if_set_link_addr(iface, mac, sizeof(struct net_eth_addr),
954 NET_LINK_ETHERNET);
955 }
956
test_pkt_loopback(struct net_pkt * pkt)957 static void test_pkt_loopback(struct net_pkt *pkt)
958 {
959 struct net_pkt *recv_pkt;
960 uint8_t buf_ip_src[NET_IPV6_ADDR_SIZE];
961 uint8_t buf_ip_dst[NET_IPV6_ADDR_SIZE];
962 uint16_t buf_port_src;
963 uint16_t buf_port_dst;
964 int ret;
965
966 /* Duplicate the packet and flip the source/destination IPs and ports then
967 * re-insert the packets back into the same interface
968 */
969 recv_pkt = net_pkt_rx_clone(pkt, K_NO_WAIT);
970 net_pkt_set_overwrite(recv_pkt, true);
971
972 /* Read IPs */
973 net_pkt_cursor_init(recv_pkt);
974 net_pkt_skip(recv_pkt, 8);
975 net_pkt_read(recv_pkt, buf_ip_src, sizeof(buf_ip_src));
976 net_pkt_read(recv_pkt, buf_ip_dst, sizeof(buf_ip_dst));
977
978 /* Write opposite IPs */
979 net_pkt_cursor_init(recv_pkt);
980 net_pkt_skip(recv_pkt, 8);
981 net_pkt_write(recv_pkt, buf_ip_dst, sizeof(buf_ip_dst));
982 net_pkt_write(recv_pkt, buf_ip_src, sizeof(buf_ip_src));
983
984 if (frag_count == 1) {
985 /* Offset is 0, flip ports of packet */
986 net_pkt_cursor_init(recv_pkt);
987 net_pkt_skip(recv_pkt, NET_IPV6H_LEN + NET_IPV6_FRAGH_LEN);
988 net_pkt_read_be16(recv_pkt, &buf_port_src);
989 net_pkt_read_be16(recv_pkt, &buf_port_dst);
990
991 net_pkt_cursor_init(recv_pkt);
992 net_pkt_skip(recv_pkt, NET_IPV6H_LEN + NET_IPV6_FRAGH_LEN);
993 net_pkt_write_be16(recv_pkt, buf_port_dst);
994 net_pkt_write_be16(recv_pkt, buf_port_src);
995 }
996
997 /* Reset position to beginning and ready packet for insertion */
998 net_pkt_cursor_init(recv_pkt);
999 net_pkt_set_overwrite(recv_pkt, false);
1000 net_pkt_set_iface(recv_pkt, net_pkt_iface(pkt));
1001
1002 ret = net_recv_data(net_pkt_iface(recv_pkt), recv_pkt);
1003 zassert_equal(ret, 0, "Cannot receive data (%d)", ret);
1004 }
1005
verify_fragment(struct net_pkt * pkt)1006 static int verify_fragment(struct net_pkt *pkt)
1007 {
1008 /* The fragment needs to have
1009 * 1) IPv6 header
1010 * 2) HBH option (if any)
1011 * 3) IPv6 fragment header
1012 * 4) UDP/ICMPv6/TCP header
1013 * 5) data
1014 */
1015 uint16_t offset;
1016
1017 frag_count++;
1018
1019 NET_DBG("test_type %d, frag count %d", test_type, frag_count);
1020
1021 switch (test_type) {
1022 case IPV6_SMALL_HBHO_FRAG:
1023 goto small;
1024 case IPV6_LARGE_HBHO_FRAG:
1025 goto large;
1026 case IPV6_WITHOUT_HBHO_FRAG:
1027 goto without;
1028 case IPV6_UDP_LOOPBACK:
1029 goto udp_loopback;
1030 default:
1031 return 0;
1032 }
1033
1034 small:
1035 if (frag_count == 1) {
1036 /* First fragment received. Make sure that all the
1037 * things are correct before the fragment header.
1038 */
1039 size_t total_len = net_pkt_get_len(pkt);
1040
1041 total_len -= sizeof(struct net_ipv6_hdr);
1042
1043 ipv6_first_frag[4] = total_len / 256;
1044 ipv6_first_frag[5] = total_len -
1045 ipv6_first_frag[4] * 256U;
1046
1047 if ((total_len / 256) != pkt->buffer->data[4]) {
1048 NET_DBG("Invalid length, 1st byte");
1049 return -EINVAL;
1050 }
1051
1052 if ((total_len - pkt->buffer->data[4] * 256U) !=
1053 pkt->buffer->data[5]) {
1054 NET_DBG("Invalid length, 2nd byte");
1055 return -EINVAL;
1056 }
1057
1058 offset = pkt->buffer->data[6 * 8 + 2] * 256U +
1059 (pkt->buffer->data[6 * 8 + 3] & 0xfe);
1060
1061 if (offset != 0U) {
1062 NET_DBG("Invalid offset %d", offset);
1063 return -EINVAL;
1064 }
1065
1066 if ((ipv6_first_frag[6 * 8 + 3] & 0x01) != 1) {
1067 NET_DBG("Invalid MORE flag for first fragment");
1068 return -EINVAL;
1069 }
1070
1071 pkt_recv_data_len += total_len - 8 /* HBHO */ -
1072 sizeof(struct net_ipv6_frag_hdr);
1073
1074 /* Rewrite the fragment id so that the memcmp() will not fail */
1075 ipv6_first_frag[6 * 8 + 4] = pkt->buffer->data[6 * 8 + 4];
1076 ipv6_first_frag[6 * 8 + 5] = pkt->buffer->data[6 * 8 + 5];
1077 ipv6_first_frag[6 * 8 + 6] = pkt->buffer->data[6 * 8 + 6];
1078 ipv6_first_frag[6 * 8 + 7] = pkt->buffer->data[6 * 8 + 7];
1079
1080 if (memcmp(pkt->buffer->data, ipv6_first_frag, 7 * 8) != 0) {
1081 net_hexdump("received", pkt->buffer->data, 7 * 8);
1082 NET_DBG("");
1083 net_hexdump("expected", ipv6_first_frag, 7 * 8);
1084
1085 return -EINVAL;
1086 }
1087 }
1088
1089 if (frag_count == 2) {
1090 /* Second fragment received. */
1091 size_t total_len = net_pkt_get_len(pkt);
1092
1093 total_len -= sizeof(struct net_ipv6_hdr);
1094
1095 ipv6_second_frag[4] = total_len / 256;
1096 ipv6_second_frag[5] = total_len -
1097 ipv6_second_frag[4] * 256U;
1098
1099 if ((total_len / 256) != pkt->buffer->data[4]) {
1100 NET_DBG("Invalid length, 1st byte");
1101 return -EINVAL;
1102 }
1103
1104 if ((total_len - pkt->buffer->data[4] * 256U) !=
1105 pkt->buffer->data[5]) {
1106 NET_DBG("Invalid length, 2nd byte");
1107 return -EINVAL;
1108 }
1109
1110 offset = pkt->buffer->data[6 * 8 + 2] * 256U +
1111 (pkt->buffer->data[6 * 8 + 3] & 0xfe);
1112
1113 if (offset != pkt_recv_data_len) {
1114 NET_DBG("Invalid offset %d received %d",
1115 offset, pkt_recv_data_len);
1116 return -EINVAL;
1117 }
1118
1119 /* Make sure the MORE flag is set correctly */
1120 if ((pkt->buffer->data[6 * 8 + 3] & 0x01) != 0U) {
1121 NET_DBG("Invalid MORE flag for second fragment");
1122 return -EINVAL;
1123 }
1124
1125 pkt_recv_data_len += total_len - 8 /* HBHO */ - 8 /* UDP */ -
1126 sizeof(struct net_ipv6_frag_hdr);
1127
1128 ipv6_second_frag[6 * 8 + 2] = pkt->buffer->data[6 * 8 + 2];
1129 ipv6_second_frag[6 * 8 + 3] = pkt->buffer->data[6 * 8 + 3];
1130
1131 /* Rewrite the fragment id so that the memcmp() will not fail */
1132 ipv6_second_frag[6 * 8 + 4] = pkt->buffer->data[6 * 8 + 4];
1133 ipv6_second_frag[6 * 8 + 5] = pkt->buffer->data[6 * 8 + 5];
1134 ipv6_second_frag[6 * 8 + 6] = pkt->buffer->data[6 * 8 + 6];
1135 ipv6_second_frag[6 * 8 + 7] = pkt->buffer->data[6 * 8 + 7];
1136
1137 if (memcmp(pkt->buffer->data, ipv6_second_frag, 7 * 8) != 0) {
1138 net_hexdump("received 2", pkt->buffer->data, 7 * 8);
1139 NET_DBG("");
1140 net_hexdump("expected 2", ipv6_second_frag, 7 * 8);
1141
1142 return -EINVAL;
1143 }
1144
1145 if (pkt_data_len != pkt_recv_data_len) {
1146 NET_DBG("Invalid amount of data received (%d vs %d)",
1147 pkt_data_len, pkt_recv_data_len);
1148 return -EINVAL;
1149 }
1150
1151 test_complete = true;
1152 }
1153
1154 return 0;
1155
1156 large:
1157 net_pkt_cursor_init(pkt);
1158
1159 if (frag_count == 1) {
1160 uint16_t exp_ext_len = 1040U; /* 1032 (HBHO) + 8 (FRAG)*/
1161 uint16_t recv_ext_len;
1162 uint16_t exp_payload_len = 200U;
1163 uint16_t recv_payload_len;
1164 uint16_t frag_offset;
1165
1166 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1167 if (recv_ext_len != exp_ext_len) {
1168 NET_DBG("Expected amount of Ext headers len is %d,"
1169 "but received %d", exp_ext_len, recv_ext_len);
1170 return -EINVAL;
1171 }
1172
1173 /* IPv6 + HBHO + FRAG */
1174 recv_payload_len = net_pkt_get_len(pkt) - 40 - 1032 - 8;
1175 if (recv_payload_len != exp_payload_len) {
1176 NET_DBG("Expected amount of payload len is %d,"
1177 "but received %d", exp_payload_len,
1178 recv_payload_len);
1179 return -EINVAL;
1180 }
1181
1182 if (net_pkt_skip(pkt, 40 + 1032 + 2) ||
1183 net_pkt_read_be16(pkt, &frag_offset)) {
1184 return -EINVAL;
1185 }
1186
1187 if ((frag_offset & 0xfff8) != 0U) {
1188 NET_DBG("Invalid fragment offset %d",
1189 frag_offset & 0xfff8);
1190 return -EINVAL;
1191 }
1192
1193 if ((frag_offset & 0x0001) != 1U) {
1194 NET_DBG("Fragment More flag should be set");
1195 return -EINVAL;
1196 }
1197 }
1198
1199 if (frag_count == 2) {
1200 uint16_t exp_ext_len = 1040U; /* 1032 (HBHO) + 8 (FRAG)*/
1201 uint16_t recv_ext_len;
1202 uint16_t exp_payload_len = 200U;
1203 uint16_t recv_payload_len;
1204 uint16_t frag_offset;
1205
1206 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1207 if (recv_ext_len != exp_ext_len) {
1208 NET_DBG("Expected amount of Ext headers len is %d,"
1209 "but received %d", exp_ext_len, recv_ext_len);
1210 return -EINVAL;
1211 }
1212
1213 /* IPv6 + HBHO + FRAG */
1214 recv_payload_len = net_pkt_get_len(pkt) - 40 - 1032 - 8;
1215 if (recv_payload_len != exp_payload_len) {
1216 NET_DBG("Expected amount of payload len is %d,"
1217 "but received %d", exp_payload_len,
1218 recv_payload_len);
1219 return -EINVAL;
1220 }
1221
1222 if (net_pkt_skip(pkt, 40 + 1032 + 2) ||
1223 net_pkt_read_be16(pkt, &frag_offset)) {
1224 return -EINVAL;
1225 }
1226
1227 if ((frag_offset & 0xfff8) != 200U) {
1228 NET_DBG("Invalid fragment offset %d",
1229 frag_offset & 0xfff8);
1230 return -EINVAL;
1231 }
1232
1233 if ((frag_offset & 0x0001) != 1U) {
1234 NET_DBG("Fragment More flag should be set");
1235 return -EINVAL;
1236 }
1237 }
1238
1239 if (frag_count == 3) {
1240 uint16_t exp_ext_len = 1040U; /* 1032 (HBHO) + 8 (FRAG)*/
1241 uint16_t recv_ext_len;
1242 uint16_t exp_payload_len = 16U;
1243 uint16_t recv_payload_len;
1244 uint16_t frag_offset;
1245
1246 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1247 if (recv_ext_len != exp_ext_len) {
1248 NET_DBG("Expected amount of Ext headers len is %d,"
1249 "but received %d", exp_ext_len, recv_ext_len);
1250 return -EINVAL;
1251 }
1252
1253 /* IPv6 + HBHO + FRAG */
1254 recv_payload_len = net_pkt_get_len(pkt) - 40 - 1032 - 8;
1255 if (recv_payload_len != exp_payload_len) {
1256 NET_DBG("Expected amount of payload len is %d,"
1257 "but received %d", exp_payload_len,
1258 recv_payload_len);
1259 return -EINVAL;
1260 }
1261
1262 if (net_pkt_skip(pkt, 40 + 1032 + 2) ||
1263 net_pkt_read_be16(pkt, &frag_offset)) {
1264 return -EINVAL;
1265 }
1266
1267 if ((frag_offset & 0xfff8) != 400U) {
1268 NET_DBG("Invalid fragment offset %d",
1269 frag_offset & 0xfff8);
1270 return -EINVAL;
1271 }
1272
1273 if ((frag_offset & 0x0001) != 0U) {
1274 NET_DBG("Fragment More flag should be unset");
1275 return -EINVAL;
1276 }
1277
1278 test_complete = true;
1279 }
1280
1281 return 0;
1282
1283 without:
1284 net_pkt_cursor_init(pkt);
1285
1286 if (frag_count == 1) {
1287 uint16_t exp_ext_len = 8U; /* 0 (HBHO) + 8 (FRAG)*/
1288 uint16_t recv_ext_len;
1289 uint16_t exp_payload_len = 1232U;
1290 uint16_t recv_payload_len;
1291 uint16_t frag_offset;
1292
1293 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1294 if (recv_ext_len != exp_ext_len) {
1295 NET_DBG("Expected amount of Ext headers len is %d,"
1296 "but received %d", exp_ext_len, recv_ext_len);
1297 return -EINVAL;
1298 }
1299
1300 /* IPv6 + FRAG */
1301 recv_payload_len = net_pkt_get_len(pkt) - 40 - 8;
1302 if (recv_payload_len != exp_payload_len) {
1303 NET_DBG("Expected amount of payload len is %d,"
1304 "but received %d", exp_payload_len,
1305 recv_payload_len);
1306 return -EINVAL;
1307 }
1308
1309 if (pkt->buffer->data[6] != NET_IPV6_NEXTHDR_FRAG) {
1310 NET_DBG("Invalid IPv6 next header %d",
1311 pkt->buffer->data[6]);
1312 return -EINVAL;
1313 }
1314
1315 if (net_pkt_skip(pkt, 40 + 2) ||
1316 net_pkt_read_be16(pkt, &frag_offset)) {
1317 return -EINVAL;
1318 }
1319
1320 if ((frag_offset & 0xfff8) != 0U) {
1321 NET_DBG("Invalid fragment offset %d",
1322 frag_offset & 0xfff8);
1323 return -EINVAL;
1324 }
1325
1326 if ((frag_offset & 0x0001) != 1U) {
1327 NET_DBG("Fragment More flag should be set");
1328 return -EINVAL;
1329 }
1330 }
1331
1332 if (frag_count == 2) {
1333 uint16_t exp_ext_len = 8U; /* 0 (HBHO) + 8 (FRAG)*/
1334 uint16_t recv_ext_len;
1335 uint16_t exp_payload_len = 76U;
1336 uint16_t recv_payload_len;
1337 uint16_t frag_offset;
1338
1339 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1340 if (recv_ext_len != exp_ext_len) {
1341 NET_DBG("Expected amount of Ext headers len is %d,"
1342 "but received %d", exp_ext_len, recv_ext_len);
1343 return -EINVAL;
1344 }
1345
1346 if (pkt->buffer->data[6] != NET_IPV6_NEXTHDR_FRAG) {
1347 NET_DBG("Invalid IPv6 next header %d",
1348 pkt->buffer->data[6]);
1349 return -EINVAL;
1350 }
1351
1352 /* IPv6 + FRAG */
1353 recv_payload_len = net_pkt_get_len(pkt) - 40 - 8;
1354 if (recv_payload_len != exp_payload_len) {
1355 NET_DBG("Expected amount of payload len is %d,"
1356 "but received %d", exp_payload_len,
1357 recv_payload_len);
1358 return -EINVAL;
1359 }
1360
1361 if (net_pkt_skip(pkt, 40 + 2) ||
1362 net_pkt_read_be16(pkt, &frag_offset)) {
1363 return -EINVAL;
1364 }
1365
1366 if ((frag_offset & 0xfff8) != 1232U) {
1367 NET_DBG("Invalid fragment offset %d",
1368 frag_offset & 0xfff8);
1369 return -EINVAL;
1370 }
1371
1372 if ((frag_offset & 0x0001) != 0U) {
1373 NET_DBG("Fragment More flag should be unset");
1374 return -EINVAL;
1375 }
1376
1377 test_complete = true;
1378 }
1379
1380 return 0;
1381
1382 udp_loopback:
1383 net_pkt_cursor_init(pkt);
1384
1385 if (frag_count == 1) {
1386 uint16_t exp_ext_len = 8U; /* 8 (FRAG)*/
1387 uint16_t recv_ext_len;
1388 uint16_t exp_payload_len = 1232U;
1389 uint16_t recv_payload_len;
1390 uint16_t frag_offset;
1391
1392 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1393 if (recv_ext_len != exp_ext_len) {
1394 NET_DBG("Expected amount of Ext headers len is %d,"
1395 "but received %d", exp_ext_len, recv_ext_len);
1396 return -EINVAL;
1397 }
1398
1399 /* IPv6 + FRAG */
1400 recv_payload_len = net_pkt_get_len(pkt) - 40 - 8;
1401 if (recv_payload_len != exp_payload_len) {
1402 NET_DBG("Expected amount of payload len is %d,"
1403 "but received %d", exp_payload_len,
1404 recv_payload_len);
1405 return -EINVAL;
1406 }
1407
1408 if (pkt->buffer->data[6] != NET_IPV6_NEXTHDR_FRAG) {
1409 NET_DBG("Invalid IPv6 next header %d",
1410 pkt->buffer->data[6]);
1411 return -EINVAL;
1412 }
1413
1414 if (net_pkt_skip(pkt, 40 + 2) ||
1415 net_pkt_read_be16(pkt, &frag_offset)) {
1416 return -EINVAL;
1417 }
1418
1419 if ((frag_offset & 0xfff8) != 0U) {
1420 NET_DBG("Invalid fragment offset %d",
1421 frag_offset & 0xfff8);
1422 return -EINVAL;
1423 }
1424
1425 if ((frag_offset & 0x0001) != 1U) {
1426 NET_DBG("Fragment More flag should be set");
1427 return -EINVAL;
1428 }
1429 }
1430
1431 if (frag_count == 2) {
1432 uint16_t exp_ext_len = 8U; /* 8 (FRAG)*/
1433 uint16_t recv_ext_len;
1434 uint16_t exp_payload_len = 376U; /* 1608 (data + UDP) - 1232 (fragment 1) */
1435 uint16_t recv_payload_len;
1436 uint16_t frag_offset;
1437
1438 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1439 if (recv_ext_len != exp_ext_len) {
1440 NET_DBG("Expected amount of Ext headers len is %d,"
1441 "but received %d", exp_ext_len, recv_ext_len);
1442 return -EINVAL;
1443 }
1444
1445 if (pkt->buffer->data[6] != NET_IPV6_NEXTHDR_FRAG) {
1446 NET_DBG("Invalid IPv6 next header %d",
1447 pkt->buffer->data[6]);
1448 return -EINVAL;
1449 }
1450
1451 /* IPv6 + FRAG */
1452 recv_payload_len = net_pkt_get_len(pkt) - 40 - 8;
1453 if (recv_payload_len != exp_payload_len) {
1454 NET_DBG("Expected amount of payload len is %d,"
1455 "but received %d", exp_payload_len,
1456 recv_payload_len);
1457 return -EINVAL;
1458 }
1459
1460 if (net_pkt_skip(pkt, 40 + 2) ||
1461 net_pkt_read_be16(pkt, &frag_offset)) {
1462 return -EINVAL;
1463 }
1464
1465 if ((frag_offset & 0xfff8) != 1232U) {
1466 NET_DBG("Invalid fragment offset %d",
1467 frag_offset & 0xfff8);
1468 return -EINVAL;
1469 }
1470
1471 if ((frag_offset & 0x0001) != 0U) {
1472 NET_DBG("Fragment More flag should be unset");
1473 return -EINVAL;
1474 }
1475 }
1476
1477 test_pkt_loopback(pkt);
1478
1479 return 0;
1480 }
1481
udp_data_received(struct net_conn * conn,struct net_pkt * pkt,union net_ip_header * ip_hdr,union net_proto_header * proto_hdr,void * user_data)1482 static enum net_verdict udp_data_received(struct net_conn *conn,
1483 struct net_pkt *pkt,
1484 union net_ip_header *ip_hdr,
1485 union net_proto_header *proto_hdr,
1486 void *user_data)
1487 {
1488 const struct net_ipv6_hdr *hdr = NET_IPV6_HDR(pkt);
1489 uint8_t verify_buf[NET_IPV6H_LEN];
1490 size_t expected_pkt_length = NET_IPV6H_LEN + NET_UDPH_LEN + 1600U;
1491 uint16_t expected_udp_length = htons(1600U + NET_UDPH_LEN);
1492 static const char expected_data[] = "123456789.";
1493 const size_t expected_data_len = sizeof(expected_data) - 1;
1494 uint16_t i;
1495
1496 NET_DBG("Data %p received", pkt);
1497
1498 zassert_equal(test_type, IPV6_UDP_LOOPBACK,
1499 "Packet should only be received in UDP loopback test");
1500 zassert_equal(net_pkt_get_len(pkt), expected_pkt_length, "Invalid packet length");
1501
1502 /* Verify IPv6 header is valid */
1503 zassert_equal(hdr->vtc, ipv6_udp[offsetof(struct net_ipv6_hdr, vtc)],
1504 "IPv6 header vtc mismatch");
1505 zassert_equal(hdr->tcflow, ipv6_udp[offsetof(struct net_ipv6_hdr, tcflow)],
1506 "IPv6 header tcflow mismatch");
1507 zassert_mem_equal(&hdr->flow, &ipv6_udp[offsetof(struct net_ipv6_hdr, flow)],
1508 sizeof(hdr->flow), "IPv6 header flow mismatch");
1509 zassert_equal(hdr->len, expected_udp_length, "IPv6 header len mismatch");
1510 zassert_equal(hdr->nexthdr, ipv6_udp[offsetof(struct net_ipv6_hdr, nexthdr)],
1511 "IPv6 header nexthdr mismatch");
1512 zassert_equal(hdr->hop_limit, ipv6_udp[offsetof(struct net_ipv6_hdr, hop_limit)],
1513 "IPv6 header hop_limit mismatch");
1514 zassert_mem_equal(hdr->src, &ipv6_udp[offsetof(struct net_ipv6_hdr, dst)],
1515 NET_IPV6_ADDR_SIZE, "IPv6 header source IP mismatch");
1516 zassert_mem_equal(hdr->dst, &ipv6_udp[offsetof(struct net_ipv6_hdr, src)],
1517 NET_IPV6_ADDR_SIZE, "IPv6 header destination IP mismatch");
1518
1519 /* Verify UDP header is valid */
1520 net_pkt_cursor_init(pkt);
1521 net_pkt_read(pkt, verify_buf, NET_IPV6H_LEN);
1522 net_pkt_read(pkt, verify_buf, NET_UDPH_LEN);
1523 zassert_mem_equal(verify_buf, &ipv6_udp[NET_IPV6H_LEN + 2], 2,
1524 "UDP header source port mismatch");
1525 zassert_mem_equal(verify_buf + 2, &ipv6_udp[NET_IPV6H_LEN], 2,
1526 "UDP header destination port mismatch");
1527 zassert_mem_equal(verify_buf + 4, &expected_udp_length, 2,
1528 "UDP header length mismatch");
1529 zassert_equal(net_calc_verify_chksum_udp(pkt), 0,
1530 "UDP header invalid checksum");
1531
1532 /* Verify data is valid */
1533 i = NET_IPV6H_LEN + NET_UDPH_LEN;
1534 while (i < net_pkt_get_len(pkt)) {
1535 memset(verify_buf, 0, sizeof(verify_buf));
1536 net_pkt_read(pkt, verify_buf, expected_data_len);
1537
1538 zassert_mem_equal(verify_buf, expected_data, expected_data_len,
1539 "UDP data verification failure");
1540
1541 i += expected_data_len;
1542 }
1543
1544 net_pkt_unref(pkt);
1545
1546 test_complete = true;
1547
1548 return NET_OK;
1549 }
1550
sender_iface(const struct device * dev,struct net_pkt * pkt)1551 static int sender_iface(const struct device *dev, struct net_pkt *pkt)
1552 {
1553 if (!pkt->buffer) {
1554 NET_DBG("No data to send!");
1555 return -ENODATA;
1556 }
1557
1558 if (test_started) {
1559 /* Verify the fragments */
1560 if (verify_fragment(pkt) < 0) {
1561 NET_DBG("Fragments cannot be verified");
1562 test_failed = true;
1563 }
1564 }
1565
1566 zassert_false(test_failed, "Fragment verify failed");
1567
1568 if (test_complete) {
1569 k_sem_give(&wait_data);
1570 }
1571
1572 return 0;
1573 }
1574
1575 struct net_if_test net_iface1_data;
1576
1577 static struct dummy_api net_iface_api = {
1578 .iface_api.init = net_iface_init,
1579 .send = sender_iface,
1580 };
1581
1582 #define _ETH_L2_LAYER DUMMY_L2
1583 #define _ETH_L2_CTX_TYPE NET_L2_GET_CTX_TYPE(DUMMY_L2)
1584
1585 NET_DEVICE_INIT_INSTANCE(net_iface1_test,
1586 "iface1",
1587 iface1,
1588 NULL,
1589 NULL,
1590 &net_iface1_data,
1591 NULL,
1592 CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
1593 &net_iface_api,
1594 _ETH_L2_LAYER,
1595 _ETH_L2_CTX_TYPE,
1596 NET_IPV6_MTU);
1597
add_nbr(struct net_if * iface,struct in6_addr * addr,struct net_linkaddr * lladdr)1598 static void add_nbr(struct net_if *iface,
1599 struct in6_addr *addr,
1600 struct net_linkaddr *lladdr)
1601 {
1602 struct net_nbr *nbr;
1603
1604 nbr = net_ipv6_nbr_add(iface, addr, lladdr, false,
1605 NET_IPV6_NBR_STATE_REACHABLE);
1606 zassert_not_null(nbr, "Cannot add neighbor");
1607 }
1608
setup_udp_handler(const struct in6_addr * raddr,const struct in6_addr * laddr,uint16_t remote_port,uint16_t local_port)1609 static void setup_udp_handler(const struct in6_addr *raddr,
1610 const struct in6_addr *laddr,
1611 uint16_t remote_port,
1612 uint16_t local_port)
1613 {
1614 static struct net_conn_handle *handle;
1615 struct sockaddr remote_addr = { 0 };
1616 struct sockaddr local_addr = { 0 };
1617 int ret;
1618
1619 net_ipaddr_copy(&net_sin6(&local_addr)->sin6_addr, laddr);
1620 local_addr.sa_family = AF_INET6;
1621
1622 net_ipaddr_copy(&net_sin6(&remote_addr)->sin6_addr, raddr);
1623 remote_addr.sa_family = AF_INET6;
1624
1625 ret = net_udp_register(AF_INET6, &remote_addr, &local_addr,
1626 remote_port, local_port, NULL, udp_data_received,
1627 NULL, &handle);
1628 zassert_equal(ret, 0, "Cannot register UDP handler");
1629 }
1630
test_setup(void)1631 static void *test_setup(void)
1632 {
1633 struct net_if_addr *ifaddr;
1634 int idx;
1635
1636 /* The semaphore is there to wait the data to be received. */
1637 k_sem_init(&wait_data, 0, UINT_MAX);
1638
1639 iface1 = net_if_get_by_index(1);
1640
1641 ((struct net_if_test *) net_if_get_device(iface1)->data)->idx =
1642 net_if_get_by_iface(iface1);
1643
1644 idx = net_if_get_by_iface(iface1);
1645 zassert_equal(idx, 1, "Invalid index iface1");
1646
1647 zassert_not_null(iface1, "Interface 1");
1648
1649 ifaddr = net_if_ipv6_addr_add(iface1, &my_addr1,
1650 NET_ADDR_MANUAL, 0);
1651 if (!ifaddr) {
1652 NET_DBG("Cannot add IPv6 address %s",
1653 net_sprint_ipv6_addr(&my_addr1));
1654 zassert_not_null(ifaddr, "addr1");
1655 }
1656
1657 ifaddr = net_if_ipv6_addr_add(iface1, &ll_addr,
1658 NET_ADDR_MANUAL, 0);
1659 if (!ifaddr) {
1660 NET_DBG("Cannot add IPv6 address %s",
1661 net_sprint_ipv6_addr(&ll_addr));
1662 zassert_not_null(ifaddr, "ll_addr");
1663 } else {
1664 /* we need to set the addresses preferred */
1665 ifaddr->addr_state = NET_ADDR_PREFERRED;
1666 }
1667
1668 net_if_up(iface1);
1669
1670 add_nbr(iface1, &my_addr2, &ll_addr2);
1671
1672 /* Remote and local are swapped so that we can receive the sent
1673 * packet.
1674 */
1675 setup_udp_handler(&my_addr2, &my_addr1, 49111, 43740);
1676
1677 /* The interface might receive data which might fail the checks
1678 * in the iface sending function, so we need to reset the failure
1679 * flag.
1680 */
1681 test_failed = false;
1682
1683 test_started = true;
1684
1685 return NULL;
1686 }
1687
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_udp)1688 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_udp)
1689 {
1690 uint16_t next_hdr_pos = 0U;
1691 uint16_t last_hdr_pos = 0U;
1692 struct net_pkt *pkt;
1693 int ret;
1694
1695 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_udp), AF_INET6,
1696 IPPROTO_UDP, ALLOC_TIMEOUT);
1697 zassert_not_null(pkt, "packet");
1698
1699 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1700 net_pkt_set_ipv6_ext_len(pkt, sizeof(ipv6_udp) -
1701 sizeof(struct net_ipv6_hdr));
1702
1703 /* Add IPv6 header + UDP */
1704 ret = net_pkt_write(pkt, ipv6_udp, sizeof(ipv6_udp));
1705
1706 zassert_true(ret == 0, "IPv6 header append failed");
1707
1708 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1709 zassert_equal(ret, 0, "Cannot find last header");
1710
1711 zassert_equal(next_hdr_pos, 6, "Next header index wrong");
1712 zassert_equal(last_hdr_pos, sizeof(struct net_ipv6_hdr),
1713 "Last header position wrong");
1714
1715 zassert_equal(NET_IPV6_HDR(pkt)->nexthdr, 0x11, "Invalid next header");
1716 zassert_equal(pkt->buffer->data[next_hdr_pos], 0x11, "Invalid next "
1717 "header");
1718
1719 net_pkt_unref(pkt);
1720 }
1721
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_hbho_udp)1722 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_hbho_udp)
1723 {
1724 uint16_t next_hdr_pos = 0U;
1725 uint16_t last_hdr_pos = 0U;
1726 struct net_pkt *pkt;
1727 int ret;
1728
1729 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_hbho) +
1730 sizeof(struct net_ipv6_hdr) + 6,
1731 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1732 zassert_not_null(pkt, "packet");
1733
1734 net_pkt_set_family(pkt, AF_INET6);
1735 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1736 net_pkt_set_ipv6_ext_len(pkt, sizeof(ipv6_hbho) -
1737 sizeof(struct net_ipv6_hdr));
1738 /* Add IPv6 header + HBH option */
1739 ret = net_pkt_write(pkt, ipv6_hbho, sizeof(ipv6_hbho));
1740 zassert_true(ret == 0, "IPv6 header append failed");
1741
1742 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1743 zassert_equal(ret, 0, "Cannot find last header");
1744
1745 zassert_equal(next_hdr_pos, sizeof(struct net_ipv6_hdr),
1746 "Next header index wrong");
1747 zassert_equal(last_hdr_pos, sizeof(struct net_ipv6_hdr) + 8,
1748 "Last header position wrong");
1749
1750 zassert_equal(NET_IPV6_HDR(pkt)->nexthdr, 0, "Invalid next header");
1751 zassert_equal(pkt->buffer->data[next_hdr_pos], 0x11, "Invalid next "
1752 "header");
1753
1754 net_pkt_unref(pkt);
1755 }
1756
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_hbho_1)1757 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_hbho_1)
1758 {
1759 uint16_t next_hdr_pos = 0U;
1760 uint16_t last_hdr_pos = 0U;
1761 struct net_pkt *pkt;
1762 uint8_t next_hdr;
1763 uint8_t last_hdr;
1764 int ret;
1765
1766 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_hbho_1),
1767 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1768 zassert_not_null(pkt, "packet");
1769
1770 net_pkt_set_family(pkt, AF_INET6);
1771 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1772
1773 /* Add IPv6 header + HBH option + fragment header */
1774 ret = net_pkt_write(pkt, ipv6_hbho_1, sizeof(ipv6_hbho_1));
1775 zassert_true(ret == 0, "IPv6 header append failed");
1776
1777 net_pkt_set_overwrite(pkt, true);
1778
1779 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1780 zassert_equal(ret, 0, "Cannot find last header");
1781
1782 zassert_equal(next_hdr_pos, 40, "Next header position wrong");
1783 zassert_equal(last_hdr_pos, 112, "Last header position wrong");
1784
1785 net_pkt_cursor_init(pkt);
1786 net_pkt_skip(pkt, next_hdr_pos);
1787 net_pkt_read_u8(pkt, &next_hdr);
1788
1789 zassert_equal(next_hdr, 0x11, "Invalid next header");
1790
1791 net_pkt_cursor_init(pkt);
1792 net_pkt_skip(pkt, last_hdr_pos);
1793 net_pkt_read_u8(pkt, &last_hdr);
1794
1795 zassert_equal(last_hdr, 0x4e, "Invalid last header");
1796
1797 net_pkt_unref(pkt);
1798 }
1799
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_hbho_2)1800 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_hbho_2)
1801 {
1802 uint16_t next_hdr_pos = 0U;
1803 uint16_t last_hdr_pos = 0U;
1804 struct net_pkt *pkt;
1805 uint8_t next_hdr;
1806 uint8_t last_hdr;
1807 int ret;
1808
1809 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_hbho_2),
1810 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1811 zassert_not_null(pkt, "packet");
1812
1813 net_pkt_set_family(pkt, AF_INET6);
1814 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1815
1816 /* Add IPv6 header + HBH option + fragment header */
1817 ret = net_pkt_write(pkt, ipv6_hbho_2, sizeof(ipv6_hbho_2));
1818 zassert_true(ret == 0, "IPv6 header append failed");
1819
1820 net_pkt_set_overwrite(pkt, true);
1821
1822 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1823 zassert_equal(ret, 0, "Cannot find last header");
1824
1825 zassert_equal(next_hdr_pos, 40, "Next header position wrong");
1826 zassert_equal(last_hdr_pos, 144, "Last header position wrong");
1827
1828 net_pkt_cursor_init(pkt);
1829 net_pkt_skip(pkt, next_hdr_pos);
1830 net_pkt_read_u8(pkt, &next_hdr);
1831
1832 zassert_equal(next_hdr, 0x11, "Invalid next header");
1833
1834 net_pkt_cursor_init(pkt);
1835 net_pkt_skip(pkt, last_hdr_pos);
1836 net_pkt_read_u8(pkt, &last_hdr);
1837
1838 zassert_equal(last_hdr, 0x4e, "Invalid last header");
1839
1840 net_pkt_unref(pkt);
1841 }
1842
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_hbho_3)1843 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_hbho_3)
1844 {
1845 uint16_t next_hdr_pos = 0U;
1846 uint16_t last_hdr_pos = 0U;
1847 struct net_pkt *pkt;
1848 uint8_t next_hdr;
1849 uint8_t last_hdr;
1850 int ret;
1851
1852 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_hbho_3),
1853 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1854 zassert_not_null(pkt, "packet");
1855
1856 net_pkt_set_family(pkt, AF_INET6);
1857 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1858
1859 /* Add IPv6 header + HBH option + fragment header */
1860 ret = net_pkt_write(pkt, ipv6_hbho_3, sizeof(ipv6_hbho_3));
1861 zassert_true(ret == 0, "IPv6 header append failed");
1862
1863 net_pkt_set_overwrite(pkt, true);
1864
1865 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1866 zassert_equal(ret, 0, "Cannot find last header");
1867
1868 zassert_equal(next_hdr_pos, 40, "Next header position wrong");
1869 zassert_equal(last_hdr_pos, 960, "Last header position wrong");
1870
1871 net_pkt_cursor_init(pkt);
1872 net_pkt_skip(pkt, next_hdr_pos);
1873 net_pkt_read_u8(pkt, &next_hdr);
1874
1875 zassert_equal(next_hdr, 0x11, "Invalid next header");
1876
1877 net_pkt_cursor_init(pkt);
1878 net_pkt_skip(pkt, last_hdr_pos);
1879 net_pkt_read_u8(pkt, &last_hdr);
1880
1881 zassert_equal(last_hdr, 0x4e, "Invalid last header");
1882
1883 net_pkt_unref(pkt);
1884 }
1885
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_hbho_frag)1886 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_hbho_frag)
1887 {
1888 uint16_t next_hdr_pos = 0U;
1889 uint16_t last_hdr_pos = 0U;
1890 struct net_pkt *pkt;
1891 int ret;
1892
1893 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_hbho_frag),
1894 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1895 zassert_not_null(pkt, "packet");
1896
1897 net_pkt_set_family(pkt, AF_INET6);
1898 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1899
1900 /* Add IPv6 header + HBH option + fragment header */
1901 ret = net_pkt_write(pkt, ipv6_hbho_frag, sizeof(ipv6_hbho_frag));
1902 zassert_true(ret == 0, "IPv6 header append failed");
1903
1904 net_pkt_set_overwrite(pkt, true);
1905
1906 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1907 zassert_equal(ret, 0, "Cannot find last header");
1908
1909 zassert_equal(next_hdr_pos, sizeof(struct net_ipv6_hdr) + 8,
1910 "Next header position wrong");
1911 zassert_equal(last_hdr_pos, sizeof(struct net_ipv6_hdr) + 8 + 8,
1912 "Last header position wrong");
1913
1914 zassert_equal(NET_IPV6_HDR(pkt)->nexthdr, 0, "Invalid next header");
1915 zassert_equal(pkt->buffer->data[next_hdr_pos], 0x11,
1916 "Invalid next header");
1917
1918 net_pkt_unref(pkt);
1919 }
1920
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_hbho_frag_1)1921 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_hbho_frag_1)
1922 {
1923 uint16_t next_hdr_pos = 0U;
1924 uint16_t last_hdr_pos = 0U;
1925 struct net_pkt *pkt;
1926 uint8_t next_hdr;
1927 uint8_t last_hdr;
1928 int ret;
1929
1930 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_hbho_frag_1),
1931 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1932 zassert_not_null(pkt, "packet");
1933
1934 net_pkt_set_family(pkt, AF_INET6);
1935 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1936
1937 /* Add IPv6 header + HBH option + fragment header */
1938 ret = net_pkt_write(pkt, ipv6_hbho_frag_1,
1939 sizeof(ipv6_hbho_frag_1));
1940 zassert_true(ret == 0, "IPv6 header append failed");
1941
1942 net_pkt_set_overwrite(pkt, true);
1943
1944 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1945 zassert_equal(ret, 0, "Cannot find last header");
1946
1947 zassert_equal(next_hdr_pos, 1072, "Next header position wrong");
1948 zassert_equal(last_hdr_pos, 1080, "Last header position wrong");
1949
1950 net_pkt_cursor_init(pkt);
1951 net_pkt_skip(pkt, next_hdr_pos);
1952 net_pkt_read_u8(pkt, &next_hdr);
1953
1954 zassert_equal(next_hdr, 0x3a, "Invalid next header");
1955
1956 net_pkt_cursor_init(pkt);
1957 net_pkt_skip(pkt, last_hdr_pos);
1958 net_pkt_read_u8(pkt, &last_hdr);
1959
1960 zassert_equal(last_hdr, 0x80, "Invalid next header");
1961
1962 net_pkt_unref(pkt);
1963 }
1964
ZTEST(net_ipv6_fragment,test_send_ipv6_fragment)1965 ZTEST(net_ipv6_fragment, test_send_ipv6_fragment)
1966 {
1967 #define MAX_LEN 1600
1968 static char data[] = "123456789.";
1969 int data_len = sizeof(data) - 1;
1970 int count = MAX_LEN / data_len;
1971 struct net_pkt *pkt;
1972 size_t total_len;
1973 int i, ret;
1974
1975 test_type = IPV6_SMALL_HBHO_FRAG;
1976 pkt_data_len = 0U;
1977
1978 pkt = net_pkt_alloc_with_buffer(iface1,
1979 sizeof(ipv6_hbho) + (count * data_len),
1980 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1981 zassert_not_null(pkt, "packet");
1982
1983 net_pkt_set_iface(pkt, iface1);
1984 net_pkt_set_family(pkt, AF_INET6);
1985 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1986 net_pkt_set_ipv6_ext_len(pkt, 8); /* hbho */
1987
1988 /* Add IPv6 header + HBH option */
1989 ret = net_pkt_write(pkt, ipv6_hbho, sizeof(ipv6_hbho));
1990 zassert_true(ret == 0, "IPv6 header append failed");
1991
1992 /* Then add some data that is over 1280 bytes long */
1993 for (i = 0; i < count; i++) {
1994 ret = net_pkt_write(pkt, data, data_len);
1995
1996 zassert_true(ret == 0, "Cannot append data");
1997
1998 pkt_data_len += data_len;
1999 }
2000
2001 zassert_equal(pkt_data_len, count * data_len, "Data size mismatch");
2002
2003 total_len = net_pkt_get_len(pkt) - sizeof(struct net_ipv6_hdr);
2004
2005 NET_DBG("Sending %zd bytes of which ext %d and data %d bytes",
2006 total_len, net_pkt_ipv6_ext_len(pkt), pkt_data_len);
2007
2008 zassert_equal(total_len - net_pkt_ipv6_ext_len(pkt) - 8, pkt_data_len,
2009 "Packet size invalid");
2010
2011 NET_IPV6_HDR(pkt)->len = htons(total_len);
2012
2013 net_pkt_cursor_init(pkt);
2014 net_pkt_set_overwrite(pkt, true);
2015 net_pkt_skip(pkt, net_pkt_ip_hdr_len(pkt) + net_pkt_ipv6_ext_len(pkt));
2016
2017 net_udp_finalize(pkt, false);
2018
2019 test_failed = false;
2020 test_complete = false;
2021
2022 ret = net_send_data(pkt);
2023 if (ret < 0) {
2024 NET_DBG("Cannot send test packet (%d)", ret);
2025 zassert_equal(ret, 0, "Cannot send");
2026 }
2027
2028 if (k_sem_take(&wait_data, WAIT_TIME)) {
2029 NET_DBG("Timeout while waiting interface data");
2030 zassert_true(false, "Timeout");
2031 }
2032 }
2033
ZTEST(net_ipv6_fragment,test_send_ipv6_fragment_large_hbho)2034 ZTEST(net_ipv6_fragment, test_send_ipv6_fragment_large_hbho)
2035 {
2036 struct net_pkt *pkt;
2037 size_t total_len;
2038 int ret;
2039
2040 frag_count = 0;
2041 pkt_data_len = 416U;
2042 test_type = IPV6_LARGE_HBHO_FRAG;
2043
2044 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_large_hbho),
2045 AF_UNSPEC, 0, ALLOC_TIMEOUT);
2046 zassert_not_null(pkt, "packet");
2047
2048 net_pkt_set_family(pkt, AF_INET6);
2049 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
2050 net_pkt_set_ipv6_ext_len(pkt, 1032); /* hbho */
2051
2052 ret = net_pkt_write(pkt, ipv6_large_hbho, sizeof(ipv6_large_hbho));
2053 zassert_true(ret == 0, "IPv6 header append failed");
2054
2055 net_pkt_set_overwrite(pkt, true);
2056
2057 total_len = net_pkt_get_len(pkt) - sizeof(struct net_ipv6_hdr);
2058
2059 NET_DBG("Sending %zd bytes of which ext %d and data %d bytes",
2060 total_len, net_pkt_ipv6_ext_len(pkt), pkt_data_len);
2061
2062 test_failed = false;
2063 test_complete = false;
2064
2065 ret = net_send_data(pkt);
2066 if (ret < 0) {
2067 NET_DBG("Cannot send test packet (%d)", ret);
2068 zassert_equal(ret, 0, "Cannot send");
2069 }
2070
2071 if (k_sem_take(&wait_data, WAIT_TIME)) {
2072 NET_DBG("Timeout while waiting interface data");
2073 zassert_true(false, "Timeout");
2074 }
2075 }
2076
ZTEST(net_ipv6_fragment,test_send_ipv6_fragment_without_hbho)2077 ZTEST(net_ipv6_fragment, test_send_ipv6_fragment_without_hbho)
2078 {
2079 struct net_pkt *pkt;
2080 size_t total_len;
2081 int ret;
2082
2083 frag_count = 0;
2084 pkt_data_len = sizeof(ipv6_frag_wo_hbho) -
2085 sizeof(struct net_ipv6_hdr) -
2086 NET_IPV6_FRAGH_LEN;
2087 test_type = IPV6_WITHOUT_HBHO_FRAG;
2088
2089 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_frag_wo_hbho),
2090 AF_UNSPEC, 0, ALLOC_TIMEOUT);
2091 zassert_not_null(pkt, "packet");
2092
2093 net_pkt_set_family(pkt, AF_INET6);
2094 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
2095 net_pkt_set_ipv6_ext_len(pkt, NET_IPV6_FRAGH_LEN); /* without hbho*/
2096
2097 ret = net_pkt_write(pkt, ipv6_frag_wo_hbho,
2098 sizeof(ipv6_frag_wo_hbho));
2099 zassert_true(ret == 0, "IPv6 header append failed");
2100
2101 net_pkt_set_overwrite(pkt, true);
2102
2103 total_len = net_pkt_get_len(pkt) - sizeof(struct net_ipv6_hdr) -
2104 NET_IPV6_FRAGH_LEN;
2105
2106 NET_DBG("Sending %zd bytes of which ext %d and data %d bytes",
2107 total_len, net_pkt_ipv6_ext_len(pkt), pkt_data_len);
2108
2109 test_failed = false;
2110 test_complete = false;
2111
2112 ret = net_send_data(pkt);
2113 if (ret < 0) {
2114 NET_DBG("Cannot send test packet (%d)", ret);
2115 zassert_equal(ret, 0, "Cannot send");
2116 }
2117
2118 if (k_sem_take(&wait_data, WAIT_TIME)) {
2119 NET_DBG("Timeout while waiting interface data");
2120 zassert_true(false, "Timeout");
2121 }
2122 }
2123
ZTEST(net_ipv6_fragment,test_send_ipv6_fragment_udp_loopback)2124 ZTEST(net_ipv6_fragment, test_send_ipv6_fragment_udp_loopback)
2125 {
2126 #define MAX_LEN 1600
2127 static const char data[] = "123456789.";
2128 int data_len = sizeof(data) - 1;
2129 int count = MAX_LEN / data_len;
2130 struct net_pkt *pkt;
2131 size_t total_len;
2132 int i, ret;
2133
2134 frag_count = 0;
2135 test_type = IPV6_UDP_LOOPBACK;
2136 pkt_data_len = 0U;
2137
2138 pkt = net_pkt_alloc_with_buffer(iface1,
2139 sizeof(ipv6_udp) + (count * data_len),
2140 AF_UNSPEC, 0, ALLOC_TIMEOUT);
2141 zassert_not_null(pkt, "packet");
2142
2143 net_pkt_set_iface(pkt, iface1);
2144 net_pkt_set_family(pkt, AF_INET6);
2145 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
2146 net_pkt_set_ipv6_ext_len(pkt, 0);
2147
2148 /* Add IPv6 header + HBH option */
2149 ret = net_pkt_write(pkt, ipv6_udp, sizeof(ipv6_udp));
2150 zassert_true(ret == 0, "IPv6 header append failed");
2151
2152 /* Then add some data that is over 1280 bytes long */
2153 for (i = 0; i < count; i++) {
2154 ret = net_pkt_write(pkt, data, data_len);
2155
2156 zassert_true(ret == 0, "Cannot append data");
2157
2158 pkt_data_len += data_len;
2159 }
2160
2161 zassert_equal(pkt_data_len, count * data_len, "Data size mismatch");
2162
2163 total_len = net_pkt_get_len(pkt) - sizeof(struct net_ipv6_hdr);
2164
2165 NET_DBG("Sending %zd bytes of which ext %d and data %d bytes",
2166 total_len, net_pkt_ipv6_ext_len(pkt), pkt_data_len);
2167
2168 zassert_equal(total_len - net_pkt_ipv6_ext_len(pkt) - 8, pkt_data_len,
2169 "Packet size invalid");
2170
2171 NET_IPV6_HDR(pkt)->len = htons(total_len);
2172
2173 net_pkt_cursor_init(pkt);
2174 net_pkt_set_overwrite(pkt, true);
2175 net_pkt_skip(pkt, net_pkt_ip_hdr_len(pkt) + net_pkt_ipv6_ext_len(pkt));
2176
2177 net_udp_finalize(pkt, false);
2178
2179 test_failed = false;
2180 test_complete = false;
2181
2182 ret = net_send_data(pkt);
2183 if (ret < 0) {
2184 NET_DBG("Cannot send test packet (%d)", ret);
2185 zassert_equal(ret, 0, "Cannot send");
2186 }
2187
2188 if (k_sem_take(&wait_data, WAIT_TIME)) {
2189 NET_DBG("Timeout while waiting interface data");
2190 zassert_true(false, "Timeout");
2191 }
2192 }
2193
2194 static uint8_t ipv6_reass_frag1[] = {
2195 0x60, 0x00, 0x00, 0x00, 0x04, 0xd8, 0x2c, 0x40,
2196 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
2197 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
2198 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
2199 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
2200 0x3a, 0x00, 0x00, 0x01, 0x7c, 0x8e, 0x53, 0x49,
2201 0x81, 0x00, 0xda, 0x34, 0x28, 0x5b, 0x00, 0x01
2202 };
2203
2204 static uint8_t ipv6_reass_frag2[] = {
2205 0x60, 0x00, 0x00, 0x00, 0x00, 0x54, 0x2c, 0x40,
2206 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
2207 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
2208 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
2209 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
2210 0x3a, 0x00, 0x04, 0xd0, 0x7c, 0x8e, 0x53, 0x49
2211 };
2212
2213 #define ECHO_REPLY_H_LEN 8
2214 #define ECHO_REPLY_ID_OFFSET (NET_IPV6H_LEN + NET_IPV6_FRAGH_LEN + 4)
2215 #define ECHO_REPLY_SEQ_OFFSET (NET_IPV6H_LEN + NET_IPV6_FRAGH_LEN + 6)
2216
2217 static uint16_t test_recv_payload_len = 1300U;
2218
handle_ipv6_echo_reply(struct net_icmp_ctx * ctx,struct net_pkt * pkt,struct net_icmp_ip_hdr * ip_hdr,struct net_icmp_hdr * icmp_hdr,void * user_data)2219 static int handle_ipv6_echo_reply(struct net_icmp_ctx *ctx,
2220 struct net_pkt *pkt,
2221 struct net_icmp_ip_hdr *ip_hdr,
2222 struct net_icmp_hdr *icmp_hdr,
2223 void *user_data)
2224 {
2225 const struct net_ipv6_hdr *hdr = NET_IPV6_HDR(pkt);
2226 uint8_t verify_buf[NET_IPV6H_LEN];
2227 size_t expected_pkt_length = NET_IPV6H_LEN + ECHO_REPLY_H_LEN + test_recv_payload_len;
2228 uint16_t expected_icmpv6_length = htons(test_recv_payload_len + ECHO_REPLY_H_LEN);
2229 uint16_t i;
2230 uint8_t expected_data = 0;
2231
2232 ARG_UNUSED(ctx);
2233 ARG_UNUSED(ip_hdr);
2234 ARG_UNUSED(icmp_hdr);
2235 ARG_UNUSED(user_data);
2236
2237 NET_DBG("Data %p received", pkt);
2238
2239 zassert_equal(net_pkt_get_len(pkt), expected_pkt_length, "Invalid packet length");
2240
2241 /* Verify IPv6 header is valid */
2242 zassert_equal(hdr->vtc, ipv6_reass_frag1[offsetof(struct net_ipv6_hdr, vtc)],
2243 "IPv6 header vtc mismatch");
2244 zassert_equal(hdr->tcflow, ipv6_reass_frag1[offsetof(struct net_ipv6_hdr, tcflow)],
2245 "IPv6 header tcflow mismatch");
2246 zassert_mem_equal(&hdr->flow, &ipv6_reass_frag1[offsetof(struct net_ipv6_hdr, flow)],
2247 sizeof(hdr->flow), "IPv6 header flow mismatch");
2248 zassert_equal(hdr->len, expected_icmpv6_length, "IPv6 header len mismatch");
2249 zassert_equal(hdr->nexthdr, IPPROTO_ICMPV6, "IPv6 header nexthdr mismatch");
2250 zassert_equal(hdr->hop_limit, ipv6_reass_frag1[offsetof(struct net_ipv6_hdr, hop_limit)],
2251 "IPv6 header hop_limit mismatch");
2252 zassert_mem_equal(hdr->src, &ipv6_reass_frag1[offsetof(struct net_ipv6_hdr, src)],
2253 NET_IPV6_ADDR_SIZE, "IPv6 header source IP mismatch");
2254 zassert_mem_equal(hdr->dst, &ipv6_reass_frag1[offsetof(struct net_ipv6_hdr, dst)],
2255 NET_IPV6_ADDR_SIZE, "IPv6 header destination IP mismatch");
2256
2257 /* Verify Echo Reply header is valid */
2258 net_pkt_cursor_init(pkt);
2259 net_pkt_read(pkt, verify_buf, NET_IPV6H_LEN);
2260 net_pkt_read(pkt, verify_buf, ECHO_REPLY_H_LEN);
2261
2262 zassert_equal(verify_buf[0], NET_ICMPV6_ECHO_REPLY,
2263 "Echo reply header invalid type");
2264 zassert_equal(verify_buf[1], 0, "Echo reply header invalid code");
2265 zassert_equal(net_calc_chksum_icmpv6(pkt), 0,
2266 "Echo reply header invalid checksum");
2267 zassert_mem_equal(verify_buf + 4, ipv6_reass_frag1 + ECHO_REPLY_ID_OFFSET, 2,
2268 "Echo reply header invalid identifier");
2269 zassert_mem_equal(verify_buf + 6, ipv6_reass_frag1 + ECHO_REPLY_SEQ_OFFSET, 2,
2270 "Echo reply header invalid sequence");
2271
2272 /* Verify data is valid */
2273 i = NET_IPV6H_LEN + ECHO_REPLY_H_LEN;
2274 while (i < net_pkt_get_len(pkt)) {
2275 uint8_t data;
2276
2277 net_pkt_read_u8(pkt, &data);
2278 zassert_equal(data, expected_data,
2279 "Echo reply data verification failure");
2280 expected_data++;
2281 i++;
2282 }
2283
2284 k_sem_give(&wait_data);
2285
2286 return NET_OK;
2287 }
2288
ZTEST(net_ipv6_fragment,test_recv_ipv6_fragment)2289 ZTEST(net_ipv6_fragment, test_recv_ipv6_fragment)
2290 {
2291 struct net_ipv6_hdr ipv6_hdr;
2292 struct net_pkt_cursor backup;
2293 struct net_pkt *pkt1;
2294 struct net_pkt *pkt2;
2295 uint16_t payload1_len;
2296 uint16_t payload2_len;
2297 uint8_t data;
2298 int ret;
2299 struct net_icmp_ctx ctx;
2300
2301 ret = net_icmp_init_ctx(&ctx, NET_ICMPV6_ECHO_REPLY,
2302 0, handle_ipv6_echo_reply);
2303 zassert_equal(ret, 0, "Cannot register %s handler (%d)",
2304 STRINGIFY(NET_ICMPV6_ECHO_REPLY), ret);
2305
2306 /* Fragment 1 */
2307 data = 0U;
2308 payload1_len = NET_IPV6_MTU - sizeof(ipv6_reass_frag1);
2309 payload2_len = test_recv_payload_len - payload1_len;
2310
2311 pkt1 = net_pkt_alloc_with_buffer(iface1, NET_IPV6_MTU, AF_UNSPEC,
2312 0, ALLOC_TIMEOUT);
2313 zassert_not_null(pkt1, "packet");
2314
2315 net_pkt_set_family(pkt1, AF_INET6);
2316 net_pkt_set_ip_hdr_len(pkt1, sizeof(struct net_ipv6_hdr));
2317 net_pkt_cursor_init(pkt1);
2318
2319 memcpy(&ipv6_hdr, ipv6_reass_frag1, sizeof(struct net_ipv6_hdr));
2320
2321 ret = net_pkt_write(pkt1, ipv6_reass_frag1,
2322 sizeof(struct net_ipv6_hdr) + 1);
2323 zassert_true(ret == 0, "IPv6 header append failed");
2324
2325 net_pkt_cursor_backup(pkt1, &backup);
2326
2327 ret = net_pkt_write(pkt1,
2328 ipv6_reass_frag1 + sizeof(struct net_ipv6_hdr) + 1,
2329 sizeof(ipv6_reass_frag1) -
2330 sizeof(struct net_ipv6_hdr) - 1);
2331 zassert_true(ret == 0, "IPv6 fragment header append failed");
2332
2333 while (payload1_len--) {
2334 ret = net_pkt_write_u8(pkt1, data++);
2335 zassert_true(ret == 0, "IPv6 header append failed");
2336 }
2337
2338 net_pkt_set_ipv6_hdr_prev(pkt1, offsetof(struct net_ipv6_hdr, nexthdr));
2339 net_pkt_set_ipv6_fragment_start(pkt1, sizeof(struct net_ipv6_hdr));
2340 net_pkt_set_overwrite(pkt1, true);
2341
2342 net_pkt_cursor_restore(pkt1, &backup);
2343
2344 ret = net_ipv6_handle_fragment_hdr(pkt1, &ipv6_hdr,
2345 NET_IPV6_NEXTHDR_FRAG);
2346 zassert_true(ret == NET_OK, "IPv6 frag1 reassembly failed");
2347
2348 /* Fragment 2 */
2349
2350 pkt2 = net_pkt_alloc_with_buffer(iface1, payload2_len +
2351 sizeof(ipv6_reass_frag2),
2352 AF_UNSPEC, 0, ALLOC_TIMEOUT);
2353 zassert_not_null(pkt2, "packet");
2354
2355 net_pkt_set_family(pkt2, AF_INET6);
2356 net_pkt_set_ip_hdr_len(pkt2, sizeof(struct net_ipv6_hdr));
2357 net_pkt_cursor_init(pkt2);
2358
2359 memcpy(&ipv6_hdr, ipv6_reass_frag2, sizeof(struct net_ipv6_hdr));
2360
2361 ret = net_pkt_write(pkt2, ipv6_reass_frag2,
2362 sizeof(struct net_ipv6_hdr) + 1);
2363 zassert_true(ret == 0, "IPv6 header append failed");
2364
2365 net_pkt_cursor_backup(pkt2, &backup);
2366
2367 ret = net_pkt_write(pkt2,
2368 ipv6_reass_frag2 + sizeof(struct net_ipv6_hdr) + 1,
2369 sizeof(ipv6_reass_frag2) -
2370 sizeof(struct net_ipv6_hdr) - 1);
2371 zassert_true(ret == 0, "IPv6 fragment header append failed");
2372
2373 while (payload2_len--) {
2374 ret = net_pkt_write_u8(pkt2, data++);
2375 zassert_true(ret == 0, "IPv6 header append failed");
2376 }
2377
2378 net_pkt_set_ipv6_hdr_prev(pkt2, offsetof(struct net_ipv6_hdr, nexthdr));
2379 net_pkt_set_ipv6_fragment_start(pkt2, sizeof(struct net_ipv6_hdr));
2380 net_pkt_set_overwrite(pkt2, true);
2381
2382 net_pkt_cursor_restore(pkt2, &backup);
2383
2384 ret = net_ipv6_handle_fragment_hdr(pkt2, &ipv6_hdr,
2385 NET_IPV6_NEXTHDR_FRAG);
2386 zassert_true(ret == NET_OK, "IPv6 frag2 reassembly failed");
2387
2388 if (k_sem_take(&wait_data, WAIT_TIME)) {
2389 NET_DBG("Timeout while waiting interface data");
2390 zassert_true(false, "Timeout");
2391 }
2392
2393 net_icmp_cleanup_ctx(&ctx);
2394 }
2395
2396 ZTEST_SUITE(net_ipv6_fragment, NULL, test_setup, NULL, NULL, NULL);
2397
