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 uint8_t mac2_addr[] = { 0x02, 0x00, 0x00, 0x00, 0x00, 0x02 };
49 static struct net_linkaddr ll_addr2 = {
50 .addr = mac2_addr,
51 .len = 6,
52 };
53
54 /* No extension header */
55 static const unsigned char ipv6_udp[] = {
56 /* IPv6 header starts here */
57 0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x11, 0x3f, /* `....6.? */
58 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
59 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
60 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
61 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
62 /* UDP header starts here (leave checksum field empty) */
63 0xaa, 0xdc, 0xbf, 0xd7, 0x00, 0x2e, 0x00, 0x00, /* ......M. */
64 /* User data starts here and is appended in corresponding function */
65 };
66
67 /* IPv6 hop-by-hop option in the message */
68 static const unsigned char ipv6_hbho[] = {
69 /* IPv6 header starts here */
70 0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x3f, /* `....6.? */
71 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
72 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
73 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
74 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
75 /* Hop-by-hop option starts here */
76 0x11, 0x00,
77 /* RPL sub-option starts here */
78 0x63, 0x04, 0x80, 0x1e, 0x01, 0x00, /* ..c..... */
79 /* UDP header starts here (leave checksum field empty) */
80 0xaa, 0xdc, 0xbf, 0xd7, 0x00, 0x2e, 0x00, 0x00, /* ......M. */
81 /* User data starts here and is appended in corresponding function */
82 };
83
84 /* IPv6 hop-by-hop option in the message HBHO (72 Bytes) */
85 static const unsigned char ipv6_hbho_1[] = {
86 /* IPv6 header starts here */
87 0x60, 0x00, 0x00, 0x00, 0x00, 0x78, 0x00, 0x40,
88 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
89 0x08, 0xc0, 0xde, 0xff, 0xfe, 0x9b, 0xb4, 0x47,
90 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
91 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
92 /* Hop-by-hop option starts here */
93 0x11, 0x08,
94 /* Padding */
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, 0x00, 0x00,
103 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
104 /* UDP header starts here (8 bytes) */
105 0x4e, 0x20, 0x10, 0x92, 0x00, 0x30, 0xa1, 0xc5,
106 /* User data starts here (40 bytes) */
107 0x30, 0x26, 0x02, 0x01, 0x00, 0x04, 0x06, 0x70,
108 0x75, 0x62, 0x6c, 0x69, 0x63, 0xa0, 0x19, 0x02,
109 0x01, 0x00, 0x02, 0x01, 0x00, 0x02, 0x01, 0x00,
110 0x30, 0x0e, 0x30, 0x0c, 0x06, 0x08, 0x2b, 0x06,
111 0x01, 0x02, 0x01, 0x01, 0x05, 0x00, 0x05, 0x00 };
112
113 /* IPv6 hop-by-hop option in the message HBHO (104 Bytes) */
114 static const unsigned char ipv6_hbho_2[] = {
115 /* IPv6 header starts here */
116 0x60, 0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x40,
117 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
118 0x08, 0xc0, 0xde, 0xff, 0xfe, 0x9b, 0xb4, 0x47,
119 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
120 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
121 /* Hop-by-hop option starts here */
122 0x11, 0x0c,
123 /* padding */
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 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
136 0x01, 0x04, 0x00, 0x00, 0x00, 0x00,
137 /* udp header starts here (8 bytes) */
138 0x4e, 0x20, 0x10, 0x92, 0x00, 0x30, 0xa1, 0xc5,
139 /* User data starts here (40 bytes) */
140 0x30, 0x26, 0x02, 0x01, 0x00, 0x04, 0x06, 0x70,
141 0x75, 0x62, 0x6c, 0x69, 0x63, 0xa0, 0x19, 0x02,
142 0x01, 0x00, 0x02, 0x01, 0x00, 0x02, 0x01, 0x00,
143 0x30, 0x0e, 0x30, 0x0c, 0x06, 0x08, 0x2b, 0x06,
144 0x01, 0x02, 0x01, 0x01, 0x05, 0x00, 0x05, 0x00 };
145
146 /* IPv6 hop-by-hop option in the message HBHO (920 bytes) */
147 static const unsigned char ipv6_hbho_3[] = {
148 /* IPv6 header starts here */
149 0x60, 0x00, 0x00, 0x00, 0x03, 0xc8, 0x00, 0x40,
150 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
151 0x08, 0xc0, 0xde, 0xff, 0xfe, 0x9b, 0xb4, 0x47,
152 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
153 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
154 /* Hop-by-hop option starts here */
155 0x11, 0x72,
156 /* padding */
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 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
271 0x01, 0x04, 0x00, 0x00, 0x00, 0x00,
272 /* udp header starts here (8 bytes) */
273 0x4e, 0x20, 0x10, 0x92, 0x00, 0x30, 0xa1, 0xc5,
274 /* User data starts here (40 bytes) */
275 0x30, 0x26, 0x02, 0x01, 0x00, 0x04, 0x06, 0x70,
276 0x75, 0x62, 0x6c, 0x69, 0x63, 0xa0, 0x19, 0x02,
277 0x01, 0x00, 0x02, 0x01, 0x00, 0x02, 0x01, 0x00,
278 0x30, 0x0e, 0x30, 0x0c, 0x06, 0x08, 0x2b, 0x06,
279 0x01, 0x02, 0x01, 0x01, 0x05, 0x00, 0x05, 0x00
280 };
281
282 /* IPv6 hop-by-hop option in the message */
283 static const unsigned char ipv6_hbho_frag[] = {
284 /* IPv6 header starts here */
285 0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x3f, /* `....6.? */
286 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
287 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
288 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
289 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
290 /* Hop-by-hop option starts here */
291 0x2c, 0x00,
292 /* RPL sub-option starts here */
293 0x63, 0x04, 0x80, 0x1e, 0x01, 0x00, /* ..c..... */
294 /* IPv6 fragment header */
295 0x11, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04,
296 /* UDP header starts here (checksum is "fixed" in this example) */
297 0xaa, 0xdc, 0xbf, 0xd7, 0x00, 0x2e, 0xa2, 0x55, /* ......M. */
298 /* User data starts here and is appended in corresponding function */
299 };
300
301 /* IPv6 hop-by-hop option in the message */
302 static const unsigned char ipv6_hbho_frag_1[] = {
303 /* IPv6 header starts here */
304 0x60, 0x00, 0x00, 0x00, 0x05, 0xb0, 0x00, 0x40
305 , 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
306 , 0x08, 0xc0, 0xde, 0xff, 0xfe, 0xc9, 0xa0, 0x4b
307 , 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00
308 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
309 /* Hop-by-hop option starts here */
310 , 0x2c, 0x80
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, 0x00, 0x00
439 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
440 /* IPv6 fragment header */
441 , 0x3a, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02
442 /* ICMPv6 header and Data*/
443 , 0x80, 0x00, 0x13, 0xdf, 0x19, 0xc7, 0x19, 0xc7
444 , 0x54, 0x65, 0x73, 0x74, 0x2d, 0x67, 0x72, 0x6f
445 , 0x75, 0x70, 0x3a, 0x49, 0x50, 0x76, 0x36, 0x2e
446 , 0x49, 0x50, 0x76, 0x36, 0x2e, 0x49, 0x43, 0x4d
447 , 0x50, 0x76, 0x36, 0x2e, 0x45, 0x63, 0x68, 0x6f
448 , 0x2d, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74
449 , 0x2e, 0x49, 0x50, 0x76, 0x36, 0x2d, 0x50, 0x61
450 , 0x63, 0x6b, 0x65, 0x74, 0x2e, 0x70, 0x61, 0x79
451 , 0x6c, 0x6f, 0x61, 0x64, 0x2e, 0x69, 0x70, 0x76
452 , 0x36, 0x2d, 0x65, 0x78, 0x74, 0x65, 0x6e, 0x73
453 , 0x69, 0x6f, 0x6e, 0x2d, 0x68, 0x65, 0x61, 0x64
454 , 0x65, 0x72, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x65
455 , 0x72, 0x2d, 0x68, 0x6f, 0x70, 0x2d, 0x62, 0x79
456 , 0x2d, 0x68, 0x6f, 0x70, 0x2d, 0x6f, 0x70, 0x74
457 , 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x6f, 0x70, 0x74
458 , 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x65, 0x6c, 0x65
459 , 0x6d, 0x65, 0x6e, 0x74, 0x3b, 0x54, 0x65, 0x73
460 , 0x74, 0x2d, 0x63, 0x61, 0x73, 0x65, 0x3a, 0x32
461 , 0x31, 0x33, 0x30, 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 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
495 };
496
497 /* IPv6 hop-by-hop option in the message */
498 static const unsigned char ipv6_large_hbho[] = {
499 /* IPv6 header starts here */
500 0x60, 0x00, 0x00, 0x00, 0x05, 0xa8, 0x00, 0x40
501 , 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00
502 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
503 , 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00
504 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02
505 /* Hop-by-hop option starts here */
506 , 0x3a, 0x80
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, 0x00, 0x00
635 , 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
636 /* ICMPv6 header and Data*/
637 , 0x80, 0x00, 0x13, 0xdf, 0x19, 0xc7, 0x19, 0xc7
638 , 0x54, 0x65, 0x73, 0x74, 0x2d, 0x67, 0x72, 0x6f
639 , 0x75, 0x70, 0x3a, 0x49, 0x50, 0x76, 0x36, 0x2e
640 , 0x49, 0x50, 0x76, 0x36, 0x2e, 0x49, 0x43, 0x4d
641 , 0x50, 0x76, 0x36, 0x2e, 0x45, 0x63, 0x68, 0x6f
642 , 0x2d, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74
643 , 0x2e, 0x49, 0x50, 0x76, 0x36, 0x2d, 0x50, 0x61
644 , 0x63, 0x6b, 0x65, 0x74, 0x2e, 0x70, 0x61, 0x79
645 , 0x6c, 0x6f, 0x61, 0x64, 0x2e, 0x69, 0x70, 0x76
646 , 0x36, 0x2d, 0x65, 0x78, 0x74, 0x65, 0x6e, 0x73
647 , 0x69, 0x6f, 0x6e, 0x2d, 0x68, 0x65, 0x61, 0x64
648 , 0x65, 0x72, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x65
649 , 0x72, 0x2d, 0x68, 0x6f, 0x70, 0x2d, 0x62, 0x79
650 , 0x2d, 0x68, 0x6f, 0x70, 0x2d, 0x6f, 0x70, 0x74
651 , 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x6f, 0x70, 0x74
652 , 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x65, 0x6c, 0x65
653 , 0x6d, 0x65, 0x6e, 0x74, 0x3b, 0x54, 0x65, 0x73
654 , 0x74, 0x2d, 0x63, 0x61, 0x73, 0x65, 0x3a, 0x32
655 , 0x31, 0x33, 0x30, 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 , 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
689 };
690
691 static unsigned char ipv6_first_frag[] = {
692 /* IPv6 header starts here */
693 0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x3f, /* `....6.? */
694 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
695 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
696 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
697 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
698 /* Hop-by-hop option starts here */
699 0x2C, 0x00,
700 /* RPL sub-option starts here */
701 0x63, 0x04, 0x80, 0x1e, 0x01, 0x00, /* ..c..... */
702 /* IPv6 fragment header */
703 0x11, 0x00, 0x00, 0x01, 0x01, 0x02, 0x03, 0x04,
704 /* UDP header starts here (checksum is "fixed" in this example) */
705 0xaa, 0xdc, 0xbf, 0xd7, 0x00, 0x2e, 0xa2, 0x55, /* ......M. */
706 /* User data starts here and is appended in corresponding function */
707 };
708
709 static unsigned char ipv6_second_frag[] = {
710 /* IPv6 header starts here */
711 0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x3f, /* `....6.? */
712 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
713 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
714 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
715 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
716 /* Hop-by-hop option starts here */
717 0x2C, 0x00,
718 /* RPL sub-option starts here */
719 0x63, 0x04, 0x80, 0x1e, 0x01, 0x00, /* ..c..... */
720 /* IPv6 fragment header */
721 0x11, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04,
722 };
723
724 static unsigned char ipv6_frag_wo_hbho[] = {
725 0x60, 0x08, 0xd7, 0x22, 0x05, 0x1c, 0x3a, 0x40,
726 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
727 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
728 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
729 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
730 /* ICMPv6 header */
731 0x80, 0x00, 0xb2, 0xb2, 0x28, 0x5b, 0x00, 0x01,
732 /* Payload */
733 0x55, 0x85, 0x93, 0x5c, 0x00, 0x00, 0x00, 0x00,
734 0x72, 0xe0, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00,
735 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
736 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
737 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
738 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
739 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
740 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
741 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
742 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
743 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
744 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
745 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
746 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
747 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
748 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
749 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
750 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
751 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
752 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
753 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
754 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
755 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
756 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
757 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
758 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
759 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
760 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
761 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
762 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
763 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
764 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
765 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
766 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
767 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
768 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
769 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
770 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
771 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
772 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
773 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
774 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
775 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
776 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
777 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
778 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
779 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
780 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
781 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
782 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
783 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
784 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
785 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
786 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
787 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
788 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
789 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
790 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
791 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
792 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
793 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
794 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
795 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
796 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
797 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
798 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
799 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
800 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
801 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
802 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
803 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
804 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
805 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
806 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
807 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
808 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
809 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
810 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
811 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
812 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
813 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
814 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
815 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
816 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
817 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
818 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
819 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
820 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
821 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
822 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
823 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
824 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
825 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
826 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
827 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
828 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
829 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
830 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
831 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
832 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
833 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
834 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
835 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
836 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
837 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
838 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
839 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
840 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
841 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
842 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
843 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
844 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
845 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
846 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
847 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
848 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
849 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
850 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
851 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
852 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
853 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
854 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
855 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
856 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
857 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
858 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
859 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
860 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
861 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
862 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
863 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
864 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
865 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
866 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
867 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
868 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
869 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
870 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
871 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
872 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f,
873 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
874 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
875 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77,
876 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f,
877 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
878 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
879 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97,
880 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
881 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7,
882 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
883 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
884 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
885 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7,
886 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
887 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7,
888 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
889 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7,
890 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
891 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
892 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff,
893 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
894 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
895 0x10, 0x11, 0x12, 0x13
896 };
897
898 static int frag_count;
899
900 static struct net_if *iface1;
901
902 static bool test_failed;
903 static bool test_started;
904 static bool test_complete;
905 static struct k_sem wait_data;
906
907 static uint16_t pkt_data_len;
908 static uint16_t pkt_recv_data_len;
909
910 #define WAIT_TIME K_SECONDS(1)
911
912 #define ALLOC_TIMEOUT K_MSEC(500)
913
914 struct net_if_test {
915 uint8_t idx;
916 uint8_t mac_addr[sizeof(struct net_eth_addr)];
917 struct net_linkaddr ll_addr;
918 };
919
920 enum net_test_type {
921 NO_TEST_TYPE,
922 IPV6_SMALL_HBHO_FRAG,
923 IPV6_LARGE_HBHO_FRAG,
924 IPV6_WITHOUT_HBHO_FRAG,
925 IPV6_UDP_LOOPBACK,
926 };
927
928 static enum net_test_type test_type = NO_TEST_TYPE;
929
net_iface_get_mac(const struct device * dev)930 static uint8_t *net_iface_get_mac(const struct device *dev)
931 {
932 struct net_if_test *data = dev->data;
933
934 if (data->mac_addr[2] == 0x00) {
935 /* 00-00-5E-00-53-xx Documentation RFC 7042 */
936 data->mac_addr[0] = 0x00;
937 data->mac_addr[1] = 0x00;
938 data->mac_addr[2] = 0x5E;
939 data->mac_addr[3] = 0x00;
940 data->mac_addr[4] = 0x53;
941 data->mac_addr[5] = sys_rand8_get();
942 }
943
944 data->ll_addr.addr = data->mac_addr;
945 data->ll_addr.len = 6U;
946
947 return data->mac_addr;
948 }
949
net_iface_init(struct net_if * iface)950 static void net_iface_init(struct net_if *iface)
951 {
952 uint8_t *mac = net_iface_get_mac(net_if_get_device(iface));
953
954 net_if_set_link_addr(iface, mac, sizeof(struct net_eth_addr),
955 NET_LINK_ETHERNET);
956 }
957
test_pkt_loopback(struct net_pkt * pkt)958 static void test_pkt_loopback(struct net_pkt *pkt)
959 {
960 struct net_pkt *recv_pkt;
961 uint8_t buf_ip_src[NET_IPV6_ADDR_SIZE];
962 uint8_t buf_ip_dst[NET_IPV6_ADDR_SIZE];
963 uint16_t buf_port_src;
964 uint16_t buf_port_dst;
965 int ret;
966
967 /* Duplicate the packet and flip the source/destination IPs and ports then
968 * re-insert the packets back into the same interface
969 */
970 recv_pkt = net_pkt_rx_clone(pkt, K_NO_WAIT);
971 net_pkt_set_overwrite(recv_pkt, true);
972
973 /* Read IPs */
974 net_pkt_cursor_init(recv_pkt);
975 net_pkt_skip(recv_pkt, 8);
976 net_pkt_read(recv_pkt, buf_ip_src, sizeof(buf_ip_src));
977 net_pkt_read(recv_pkt, buf_ip_dst, sizeof(buf_ip_dst));
978
979 /* Write opposite IPs */
980 net_pkt_cursor_init(recv_pkt);
981 net_pkt_skip(recv_pkt, 8);
982 net_pkt_write(recv_pkt, buf_ip_dst, sizeof(buf_ip_dst));
983 net_pkt_write(recv_pkt, buf_ip_src, sizeof(buf_ip_src));
984
985 if (frag_count == 1) {
986 /* Offset is 0, flip ports of packet */
987 net_pkt_cursor_init(recv_pkt);
988 net_pkt_skip(recv_pkt, NET_IPV6H_LEN + NET_IPV6_FRAGH_LEN);
989 net_pkt_read_be16(recv_pkt, &buf_port_src);
990 net_pkt_read_be16(recv_pkt, &buf_port_dst);
991
992 net_pkt_cursor_init(recv_pkt);
993 net_pkt_skip(recv_pkt, NET_IPV6H_LEN + NET_IPV6_FRAGH_LEN);
994 net_pkt_write_be16(recv_pkt, buf_port_dst);
995 net_pkt_write_be16(recv_pkt, buf_port_src);
996 }
997
998 /* Reset position to beginning and ready packet for insertion */
999 net_pkt_cursor_init(recv_pkt);
1000 net_pkt_set_overwrite(recv_pkt, false);
1001 net_pkt_set_iface(recv_pkt, net_pkt_iface(pkt));
1002
1003 ret = net_recv_data(net_pkt_iface(recv_pkt), recv_pkt);
1004 zassert_equal(ret, 0, "Cannot receive data (%d)", ret);
1005 }
1006
verify_fragment(struct net_pkt * pkt)1007 static int verify_fragment(struct net_pkt *pkt)
1008 {
1009 /* The fragment needs to have
1010 * 1) IPv6 header
1011 * 2) HBH option (if any)
1012 * 3) IPv6 fragment header
1013 * 4) UDP/ICMPv6/TCP header
1014 * 5) data
1015 */
1016 uint16_t offset;
1017
1018 frag_count++;
1019
1020 NET_DBG("test_type %d, frag count %d", test_type, frag_count);
1021
1022 switch (test_type) {
1023 case IPV6_SMALL_HBHO_FRAG:
1024 goto small;
1025 case IPV6_LARGE_HBHO_FRAG:
1026 goto large;
1027 case IPV6_WITHOUT_HBHO_FRAG:
1028 goto without;
1029 case IPV6_UDP_LOOPBACK:
1030 goto udp_loopback;
1031 default:
1032 return 0;
1033 }
1034
1035 small:
1036 if (frag_count == 1) {
1037 /* First fragment received. Make sure that all the
1038 * things are correct before the fragment header.
1039 */
1040 size_t total_len = net_pkt_get_len(pkt);
1041
1042 total_len -= sizeof(struct net_ipv6_hdr);
1043
1044 ipv6_first_frag[4] = total_len / 256;
1045 ipv6_first_frag[5] = total_len -
1046 ipv6_first_frag[4] * 256U;
1047
1048 if ((total_len / 256) != pkt->buffer->data[4]) {
1049 NET_DBG("Invalid length, 1st byte");
1050 return -EINVAL;
1051 }
1052
1053 if ((total_len - pkt->buffer->data[4] * 256U) !=
1054 pkt->buffer->data[5]) {
1055 NET_DBG("Invalid length, 2nd byte");
1056 return -EINVAL;
1057 }
1058
1059 offset = pkt->buffer->data[6 * 8 + 2] * 256U +
1060 (pkt->buffer->data[6 * 8 + 3] & 0xfe);
1061
1062 if (offset != 0U) {
1063 NET_DBG("Invalid offset %d", offset);
1064 return -EINVAL;
1065 }
1066
1067 if ((ipv6_first_frag[6 * 8 + 3] & 0x01) != 1) {
1068 NET_DBG("Invalid MORE flag for first fragment");
1069 return -EINVAL;
1070 }
1071
1072 pkt_recv_data_len += total_len - 8 /* HBHO */ -
1073 sizeof(struct net_ipv6_frag_hdr);
1074
1075 /* Rewrite the fragment id so that the memcmp() will not fail */
1076 ipv6_first_frag[6 * 8 + 4] = pkt->buffer->data[6 * 8 + 4];
1077 ipv6_first_frag[6 * 8 + 5] = pkt->buffer->data[6 * 8 + 5];
1078 ipv6_first_frag[6 * 8 + 6] = pkt->buffer->data[6 * 8 + 6];
1079 ipv6_first_frag[6 * 8 + 7] = pkt->buffer->data[6 * 8 + 7];
1080
1081 if (memcmp(pkt->buffer->data, ipv6_first_frag, 7 * 8) != 0) {
1082 net_hexdump("received", pkt->buffer->data, 7 * 8);
1083 NET_DBG("");
1084 net_hexdump("expected", ipv6_first_frag, 7 * 8);
1085
1086 return -EINVAL;
1087 }
1088 }
1089
1090 if (frag_count == 2) {
1091 /* Second fragment received. */
1092 size_t total_len = net_pkt_get_len(pkt);
1093
1094 total_len -= sizeof(struct net_ipv6_hdr);
1095
1096 ipv6_second_frag[4] = total_len / 256;
1097 ipv6_second_frag[5] = total_len -
1098 ipv6_second_frag[4] * 256U;
1099
1100 if ((total_len / 256) != pkt->buffer->data[4]) {
1101 NET_DBG("Invalid length, 1st byte");
1102 return -EINVAL;
1103 }
1104
1105 if ((total_len - pkt->buffer->data[4] * 256U) !=
1106 pkt->buffer->data[5]) {
1107 NET_DBG("Invalid length, 2nd byte");
1108 return -EINVAL;
1109 }
1110
1111 offset = pkt->buffer->data[6 * 8 + 2] * 256U +
1112 (pkt->buffer->data[6 * 8 + 3] & 0xfe);
1113
1114 if (offset != pkt_recv_data_len) {
1115 NET_DBG("Invalid offset %d received %d",
1116 offset, pkt_recv_data_len);
1117 return -EINVAL;
1118 }
1119
1120 /* Make sure the MORE flag is set correctly */
1121 if ((pkt->buffer->data[6 * 8 + 3] & 0x01) != 0U) {
1122 NET_DBG("Invalid MORE flag for second fragment");
1123 return -EINVAL;
1124 }
1125
1126 pkt_recv_data_len += total_len - 8 /* HBHO */ - 8 /* UDP */ -
1127 sizeof(struct net_ipv6_frag_hdr);
1128
1129 ipv6_second_frag[6 * 8 + 2] = pkt->buffer->data[6 * 8 + 2];
1130 ipv6_second_frag[6 * 8 + 3] = pkt->buffer->data[6 * 8 + 3];
1131
1132 /* Rewrite the fragment id so that the memcmp() will not fail */
1133 ipv6_second_frag[6 * 8 + 4] = pkt->buffer->data[6 * 8 + 4];
1134 ipv6_second_frag[6 * 8 + 5] = pkt->buffer->data[6 * 8 + 5];
1135 ipv6_second_frag[6 * 8 + 6] = pkt->buffer->data[6 * 8 + 6];
1136 ipv6_second_frag[6 * 8 + 7] = pkt->buffer->data[6 * 8 + 7];
1137
1138 if (memcmp(pkt->buffer->data, ipv6_second_frag, 7 * 8) != 0) {
1139 net_hexdump("received 2", pkt->buffer->data, 7 * 8);
1140 NET_DBG("");
1141 net_hexdump("expected 2", ipv6_second_frag, 7 * 8);
1142
1143 return -EINVAL;
1144 }
1145
1146 if (pkt_data_len != pkt_recv_data_len) {
1147 NET_DBG("Invalid amount of data received (%d vs %d)",
1148 pkt_data_len, pkt_recv_data_len);
1149 return -EINVAL;
1150 }
1151
1152 test_complete = true;
1153 }
1154
1155 return 0;
1156
1157 large:
1158 net_pkt_cursor_init(pkt);
1159
1160 if (frag_count == 1) {
1161 uint16_t exp_ext_len = 1040U; /* 1032 (HBHO) + 8 (FRAG)*/
1162 uint16_t recv_ext_len;
1163 uint16_t exp_payload_len = 200U;
1164 uint16_t recv_payload_len;
1165 uint16_t frag_offset;
1166
1167 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1168 if (recv_ext_len != exp_ext_len) {
1169 NET_DBG("Expected amount of Ext headers len is %d,"
1170 "but received %d", exp_ext_len, recv_ext_len);
1171 return -EINVAL;
1172 }
1173
1174 /* IPv6 + HBHO + FRAG */
1175 recv_payload_len = net_pkt_get_len(pkt) - 40 - 1032 - 8;
1176 if (recv_payload_len != exp_payload_len) {
1177 NET_DBG("Expected amount of payload len is %d,"
1178 "but received %d", exp_payload_len,
1179 recv_payload_len);
1180 return -EINVAL;
1181 }
1182
1183 if (net_pkt_skip(pkt, 40 + 1032 + 2) ||
1184 net_pkt_read_be16(pkt, &frag_offset)) {
1185 return -EINVAL;
1186 }
1187
1188 if ((frag_offset & 0xfff8) != 0U) {
1189 NET_DBG("Invalid fragment offset %d",
1190 frag_offset & 0xfff8);
1191 return -EINVAL;
1192 }
1193
1194 if ((frag_offset & 0x0001) != 1U) {
1195 NET_DBG("Fragment More flag should be set");
1196 return -EINVAL;
1197 }
1198 }
1199
1200 if (frag_count == 2) {
1201 uint16_t exp_ext_len = 1040U; /* 1032 (HBHO) + 8 (FRAG)*/
1202 uint16_t recv_ext_len;
1203 uint16_t exp_payload_len = 200U;
1204 uint16_t recv_payload_len;
1205 uint16_t frag_offset;
1206
1207 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1208 if (recv_ext_len != exp_ext_len) {
1209 NET_DBG("Expected amount of Ext headers len is %d,"
1210 "but received %d", exp_ext_len, recv_ext_len);
1211 return -EINVAL;
1212 }
1213
1214 /* IPv6 + HBHO + FRAG */
1215 recv_payload_len = net_pkt_get_len(pkt) - 40 - 1032 - 8;
1216 if (recv_payload_len != exp_payload_len) {
1217 NET_DBG("Expected amount of payload len is %d,"
1218 "but received %d", exp_payload_len,
1219 recv_payload_len);
1220 return -EINVAL;
1221 }
1222
1223 if (net_pkt_skip(pkt, 40 + 1032 + 2) ||
1224 net_pkt_read_be16(pkt, &frag_offset)) {
1225 return -EINVAL;
1226 }
1227
1228 if ((frag_offset & 0xfff8) != 200U) {
1229 NET_DBG("Invalid fragment offset %d",
1230 frag_offset & 0xfff8);
1231 return -EINVAL;
1232 }
1233
1234 if ((frag_offset & 0x0001) != 1U) {
1235 NET_DBG("Fragment More flag should be set");
1236 return -EINVAL;
1237 }
1238 }
1239
1240 if (frag_count == 3) {
1241 uint16_t exp_ext_len = 1040U; /* 1032 (HBHO) + 8 (FRAG)*/
1242 uint16_t recv_ext_len;
1243 uint16_t exp_payload_len = 16U;
1244 uint16_t recv_payload_len;
1245 uint16_t frag_offset;
1246
1247 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1248 if (recv_ext_len != exp_ext_len) {
1249 NET_DBG("Expected amount of Ext headers len is %d,"
1250 "but received %d", exp_ext_len, recv_ext_len);
1251 return -EINVAL;
1252 }
1253
1254 /* IPv6 + HBHO + FRAG */
1255 recv_payload_len = net_pkt_get_len(pkt) - 40 - 1032 - 8;
1256 if (recv_payload_len != exp_payload_len) {
1257 NET_DBG("Expected amount of payload len is %d,"
1258 "but received %d", exp_payload_len,
1259 recv_payload_len);
1260 return -EINVAL;
1261 }
1262
1263 if (net_pkt_skip(pkt, 40 + 1032 + 2) ||
1264 net_pkt_read_be16(pkt, &frag_offset)) {
1265 return -EINVAL;
1266 }
1267
1268 if ((frag_offset & 0xfff8) != 400U) {
1269 NET_DBG("Invalid fragment offset %d",
1270 frag_offset & 0xfff8);
1271 return -EINVAL;
1272 }
1273
1274 if ((frag_offset & 0x0001) != 0U) {
1275 NET_DBG("Fragment More flag should be unset");
1276 return -EINVAL;
1277 }
1278
1279 test_complete = true;
1280 }
1281
1282 return 0;
1283
1284 without:
1285 net_pkt_cursor_init(pkt);
1286
1287 if (frag_count == 1) {
1288 uint16_t exp_ext_len = 8U; /* 0 (HBHO) + 8 (FRAG)*/
1289 uint16_t recv_ext_len;
1290 uint16_t exp_payload_len = 1232U;
1291 uint16_t recv_payload_len;
1292 uint16_t frag_offset;
1293
1294 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1295 if (recv_ext_len != exp_ext_len) {
1296 NET_DBG("Expected amount of Ext headers len is %d,"
1297 "but received %d", exp_ext_len, recv_ext_len);
1298 return -EINVAL;
1299 }
1300
1301 /* IPv6 + FRAG */
1302 recv_payload_len = net_pkt_get_len(pkt) - 40 - 8;
1303 if (recv_payload_len != exp_payload_len) {
1304 NET_DBG("Expected amount of payload len is %d,"
1305 "but received %d", exp_payload_len,
1306 recv_payload_len);
1307 return -EINVAL;
1308 }
1309
1310 if (pkt->buffer->data[6] != NET_IPV6_NEXTHDR_FRAG) {
1311 NET_DBG("Invalid IPv6 next header %d",
1312 pkt->buffer->data[6]);
1313 return -EINVAL;
1314 }
1315
1316 if (net_pkt_skip(pkt, 40 + 2) ||
1317 net_pkt_read_be16(pkt, &frag_offset)) {
1318 return -EINVAL;
1319 }
1320
1321 if ((frag_offset & 0xfff8) != 0U) {
1322 NET_DBG("Invalid fragment offset %d",
1323 frag_offset & 0xfff8);
1324 return -EINVAL;
1325 }
1326
1327 if ((frag_offset & 0x0001) != 1U) {
1328 NET_DBG("Fragment More flag should be set");
1329 return -EINVAL;
1330 }
1331 }
1332
1333 if (frag_count == 2) {
1334 uint16_t exp_ext_len = 8U; /* 0 (HBHO) + 8 (FRAG)*/
1335 uint16_t recv_ext_len;
1336 uint16_t exp_payload_len = 76U;
1337 uint16_t recv_payload_len;
1338 uint16_t frag_offset;
1339
1340 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1341 if (recv_ext_len != exp_ext_len) {
1342 NET_DBG("Expected amount of Ext headers len is %d,"
1343 "but received %d", exp_ext_len, recv_ext_len);
1344 return -EINVAL;
1345 }
1346
1347 if (pkt->buffer->data[6] != NET_IPV6_NEXTHDR_FRAG) {
1348 NET_DBG("Invalid IPv6 next header %d",
1349 pkt->buffer->data[6]);
1350 return -EINVAL;
1351 }
1352
1353 /* IPv6 + FRAG */
1354 recv_payload_len = net_pkt_get_len(pkt) - 40 - 8;
1355 if (recv_payload_len != exp_payload_len) {
1356 NET_DBG("Expected amount of payload len is %d,"
1357 "but received %d", exp_payload_len,
1358 recv_payload_len);
1359 return -EINVAL;
1360 }
1361
1362 if (net_pkt_skip(pkt, 40 + 2) ||
1363 net_pkt_read_be16(pkt, &frag_offset)) {
1364 return -EINVAL;
1365 }
1366
1367 if ((frag_offset & 0xfff8) != 1232U) {
1368 NET_DBG("Invalid fragment offset %d",
1369 frag_offset & 0xfff8);
1370 return -EINVAL;
1371 }
1372
1373 if ((frag_offset & 0x0001) != 0U) {
1374 NET_DBG("Fragment More flag should be unset");
1375 return -EINVAL;
1376 }
1377
1378 test_complete = true;
1379 }
1380
1381 return 0;
1382
1383 udp_loopback:
1384 net_pkt_cursor_init(pkt);
1385
1386 if (frag_count == 1) {
1387 uint16_t exp_ext_len = 8U; /* 8 (FRAG)*/
1388 uint16_t recv_ext_len;
1389 uint16_t exp_payload_len = 1232U;
1390 uint16_t recv_payload_len;
1391 uint16_t frag_offset;
1392
1393 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1394 if (recv_ext_len != exp_ext_len) {
1395 NET_DBG("Expected amount of Ext headers len is %d,"
1396 "but received %d", exp_ext_len, recv_ext_len);
1397 return -EINVAL;
1398 }
1399
1400 /* IPv6 + FRAG */
1401 recv_payload_len = net_pkt_get_len(pkt) - 40 - 8;
1402 if (recv_payload_len != exp_payload_len) {
1403 NET_DBG("Expected amount of payload len is %d,"
1404 "but received %d", exp_payload_len,
1405 recv_payload_len);
1406 return -EINVAL;
1407 }
1408
1409 if (pkt->buffer->data[6] != NET_IPV6_NEXTHDR_FRAG) {
1410 NET_DBG("Invalid IPv6 next header %d",
1411 pkt->buffer->data[6]);
1412 return -EINVAL;
1413 }
1414
1415 if (net_pkt_skip(pkt, 40 + 2) ||
1416 net_pkt_read_be16(pkt, &frag_offset)) {
1417 return -EINVAL;
1418 }
1419
1420 if ((frag_offset & 0xfff8) != 0U) {
1421 NET_DBG("Invalid fragment offset %d",
1422 frag_offset & 0xfff8);
1423 return -EINVAL;
1424 }
1425
1426 if ((frag_offset & 0x0001) != 1U) {
1427 NET_DBG("Fragment More flag should be set");
1428 return -EINVAL;
1429 }
1430 }
1431
1432 if (frag_count == 2) {
1433 uint16_t exp_ext_len = 8U; /* 8 (FRAG)*/
1434 uint16_t recv_ext_len;
1435 uint16_t exp_payload_len = 376U; /* 1608 (data + UDP) - 1232 (fragment 1) */
1436 uint16_t recv_payload_len;
1437 uint16_t frag_offset;
1438
1439 recv_ext_len = net_pkt_ipv6_ext_len(pkt);
1440 if (recv_ext_len != exp_ext_len) {
1441 NET_DBG("Expected amount of Ext headers len is %d,"
1442 "but received %d", exp_ext_len, recv_ext_len);
1443 return -EINVAL;
1444 }
1445
1446 if (pkt->buffer->data[6] != NET_IPV6_NEXTHDR_FRAG) {
1447 NET_DBG("Invalid IPv6 next header %d",
1448 pkt->buffer->data[6]);
1449 return -EINVAL;
1450 }
1451
1452 /* IPv6 + FRAG */
1453 recv_payload_len = net_pkt_get_len(pkt) - 40 - 8;
1454 if (recv_payload_len != exp_payload_len) {
1455 NET_DBG("Expected amount of payload len is %d,"
1456 "but received %d", exp_payload_len,
1457 recv_payload_len);
1458 return -EINVAL;
1459 }
1460
1461 if (net_pkt_skip(pkt, 40 + 2) ||
1462 net_pkt_read_be16(pkt, &frag_offset)) {
1463 return -EINVAL;
1464 }
1465
1466 if ((frag_offset & 0xfff8) != 1232U) {
1467 NET_DBG("Invalid fragment offset %d",
1468 frag_offset & 0xfff8);
1469 return -EINVAL;
1470 }
1471
1472 if ((frag_offset & 0x0001) != 0U) {
1473 NET_DBG("Fragment More flag should be unset");
1474 return -EINVAL;
1475 }
1476 }
1477
1478 test_pkt_loopback(pkt);
1479
1480 return 0;
1481 }
1482
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)1483 static enum net_verdict udp_data_received(struct net_conn *conn,
1484 struct net_pkt *pkt,
1485 union net_ip_header *ip_hdr,
1486 union net_proto_header *proto_hdr,
1487 void *user_data)
1488 {
1489 const struct net_ipv6_hdr *hdr = NET_IPV6_HDR(pkt);
1490 uint8_t verify_buf[NET_IPV6H_LEN];
1491 size_t expected_pkt_length = NET_IPV6H_LEN + NET_UDPH_LEN + 1600U;
1492 uint16_t expected_udp_length = htons(1600U + NET_UDPH_LEN);
1493 static const char expected_data[] = "123456789.";
1494 const size_t expected_data_len = sizeof(expected_data) - 1;
1495 uint16_t i;
1496
1497 NET_DBG("Data %p received", pkt);
1498
1499 zassert_equal(test_type, IPV6_UDP_LOOPBACK,
1500 "Packet should only be received in UDP loopback test");
1501 zassert_equal(net_pkt_get_len(pkt), expected_pkt_length, "Invalid packet length");
1502
1503 /* Verify IPv6 header is valid */
1504 zassert_equal(hdr->vtc, ipv6_udp[offsetof(struct net_ipv6_hdr, vtc)],
1505 "IPv6 header vtc mismatch");
1506 zassert_equal(hdr->tcflow, ipv6_udp[offsetof(struct net_ipv6_hdr, tcflow)],
1507 "IPv6 header tcflow mismatch");
1508 zassert_mem_equal(&hdr->flow, &ipv6_udp[offsetof(struct net_ipv6_hdr, flow)],
1509 sizeof(hdr->flow), "IPv6 header flow mismatch");
1510 zassert_equal(hdr->len, expected_udp_length, "IPv6 header len mismatch");
1511 zassert_equal(hdr->nexthdr, ipv6_udp[offsetof(struct net_ipv6_hdr, nexthdr)],
1512 "IPv6 header nexthdr mismatch");
1513 zassert_equal(hdr->hop_limit, ipv6_udp[offsetof(struct net_ipv6_hdr, hop_limit)],
1514 "IPv6 header hop_limit mismatch");
1515 zassert_mem_equal(hdr->src, &ipv6_udp[offsetof(struct net_ipv6_hdr, dst)],
1516 NET_IPV6_ADDR_SIZE, "IPv6 header source IP mismatch");
1517 zassert_mem_equal(hdr->dst, &ipv6_udp[offsetof(struct net_ipv6_hdr, src)],
1518 NET_IPV6_ADDR_SIZE, "IPv6 header destination IP mismatch");
1519
1520 /* Verify UDP header is valid */
1521 net_pkt_cursor_init(pkt);
1522 net_pkt_read(pkt, verify_buf, NET_IPV6H_LEN);
1523 net_pkt_read(pkt, verify_buf, NET_UDPH_LEN);
1524 zassert_mem_equal(verify_buf, &ipv6_udp[NET_IPV6H_LEN + 2], 2,
1525 "UDP header source port mismatch");
1526 zassert_mem_equal(verify_buf + 2, &ipv6_udp[NET_IPV6H_LEN], 2,
1527 "UDP header destination port mismatch");
1528 zassert_mem_equal(verify_buf + 4, &expected_udp_length, 2,
1529 "UDP header length mismatch");
1530 zassert_equal(net_calc_verify_chksum_udp(pkt), 0,
1531 "UDP header invalid checksum");
1532
1533 /* Verify data is valid */
1534 i = NET_IPV6H_LEN + NET_UDPH_LEN;
1535 while (i < net_pkt_get_len(pkt)) {
1536 memset(verify_buf, 0, sizeof(verify_buf));
1537 net_pkt_read(pkt, verify_buf, expected_data_len);
1538
1539 zassert_mem_equal(verify_buf, expected_data, expected_data_len,
1540 "UDP data verification failure");
1541
1542 i += expected_data_len;
1543 }
1544
1545 net_pkt_unref(pkt);
1546
1547 test_complete = true;
1548
1549 return NET_OK;
1550 }
1551
sender_iface(const struct device * dev,struct net_pkt * pkt)1552 static int sender_iface(const struct device *dev, struct net_pkt *pkt)
1553 {
1554 if (!pkt->buffer) {
1555 NET_DBG("No data to send!");
1556 return -ENODATA;
1557 }
1558
1559 if (test_started) {
1560 /* Verify the fragments */
1561 if (verify_fragment(pkt) < 0) {
1562 NET_DBG("Fragments cannot be verified");
1563 test_failed = true;
1564 }
1565 }
1566
1567 zassert_false(test_failed, "Fragment verify failed");
1568
1569 if (test_complete) {
1570 k_sem_give(&wait_data);
1571 }
1572
1573 return 0;
1574 }
1575
1576 struct net_if_test net_iface1_data;
1577
1578 static struct dummy_api net_iface_api = {
1579 .iface_api.init = net_iface_init,
1580 .send = sender_iface,
1581 };
1582
1583 #define _ETH_L2_LAYER DUMMY_L2
1584 #define _ETH_L2_CTX_TYPE NET_L2_GET_CTX_TYPE(DUMMY_L2)
1585
1586 NET_DEVICE_INIT_INSTANCE(net_iface1_test,
1587 "iface1",
1588 iface1,
1589 NULL,
1590 NULL,
1591 &net_iface1_data,
1592 NULL,
1593 CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
1594 &net_iface_api,
1595 _ETH_L2_LAYER,
1596 _ETH_L2_CTX_TYPE,
1597 NET_IPV6_MTU);
1598
add_nbr(struct net_if * iface,struct in6_addr * addr,struct net_linkaddr * lladdr)1599 static void add_nbr(struct net_if *iface,
1600 struct in6_addr *addr,
1601 struct net_linkaddr *lladdr)
1602 {
1603 struct net_nbr *nbr;
1604
1605 nbr = net_ipv6_nbr_add(iface, addr, lladdr, false,
1606 NET_IPV6_NBR_STATE_REACHABLE);
1607 zassert_not_null(nbr, "Cannot add neighbor");
1608 }
1609
setup_udp_handler(const struct in6_addr * raddr,const struct in6_addr * laddr,uint16_t remote_port,uint16_t local_port)1610 static void setup_udp_handler(const struct in6_addr *raddr,
1611 const struct in6_addr *laddr,
1612 uint16_t remote_port,
1613 uint16_t local_port)
1614 {
1615 static struct net_conn_handle *handle;
1616 struct sockaddr remote_addr = { 0 };
1617 struct sockaddr local_addr = { 0 };
1618 int ret;
1619
1620 net_ipaddr_copy(&net_sin6(&local_addr)->sin6_addr, laddr);
1621 local_addr.sa_family = AF_INET6;
1622
1623 net_ipaddr_copy(&net_sin6(&remote_addr)->sin6_addr, raddr);
1624 remote_addr.sa_family = AF_INET6;
1625
1626 ret = net_udp_register(AF_INET6, &remote_addr, &local_addr,
1627 remote_port, local_port, NULL, udp_data_received,
1628 NULL, &handle);
1629 zassert_equal(ret, 0, "Cannot register UDP handler");
1630 }
1631
test_setup(void)1632 static void *test_setup(void)
1633 {
1634 struct net_if_addr *ifaddr;
1635 int idx;
1636
1637 /* The semaphore is there to wait the data to be received. */
1638 k_sem_init(&wait_data, 0, UINT_MAX);
1639
1640 iface1 = net_if_get_by_index(1);
1641
1642 ((struct net_if_test *) net_if_get_device(iface1)->data)->idx =
1643 net_if_get_by_iface(iface1);
1644
1645 idx = net_if_get_by_iface(iface1);
1646 zassert_equal(idx, 1, "Invalid index iface1");
1647
1648 zassert_not_null(iface1, "Interface 1");
1649
1650 ifaddr = net_if_ipv6_addr_add(iface1, &my_addr1,
1651 NET_ADDR_MANUAL, 0);
1652 if (!ifaddr) {
1653 NET_DBG("Cannot add IPv6 address %s",
1654 net_sprint_ipv6_addr(&my_addr1));
1655 zassert_not_null(ifaddr, "addr1");
1656 }
1657
1658 ifaddr = net_if_ipv6_addr_add(iface1, &ll_addr,
1659 NET_ADDR_MANUAL, 0);
1660 if (!ifaddr) {
1661 NET_DBG("Cannot add IPv6 address %s",
1662 net_sprint_ipv6_addr(&ll_addr));
1663 zassert_not_null(ifaddr, "ll_addr");
1664 } else {
1665 /* we need to set the addresses preferred */
1666 ifaddr->addr_state = NET_ADDR_PREFERRED;
1667 }
1668
1669 net_if_up(iface1);
1670
1671 add_nbr(iface1, &my_addr2, &ll_addr2);
1672
1673 /* Remote and local are swapped so that we can receive the sent
1674 * packet.
1675 */
1676 setup_udp_handler(&my_addr2, &my_addr1, 49111, 43740);
1677
1678 /* The interface might receive data which might fail the checks
1679 * in the iface sending function, so we need to reset the failure
1680 * flag.
1681 */
1682 test_failed = false;
1683
1684 test_started = true;
1685
1686 return NULL;
1687 }
1688
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_udp)1689 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_udp)
1690 {
1691 uint16_t next_hdr_pos = 0U;
1692 uint16_t last_hdr_pos = 0U;
1693 struct net_pkt *pkt;
1694 int ret;
1695
1696 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_udp), AF_INET6,
1697 IPPROTO_UDP, ALLOC_TIMEOUT);
1698 zassert_not_null(pkt, "packet");
1699
1700 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1701 net_pkt_set_ipv6_ext_len(pkt, sizeof(ipv6_udp) -
1702 sizeof(struct net_ipv6_hdr));
1703
1704 /* Add IPv6 header + UDP */
1705 ret = net_pkt_write(pkt, ipv6_udp, sizeof(ipv6_udp));
1706
1707 zassert_true(ret == 0, "IPv6 header append failed");
1708
1709 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1710 zassert_equal(ret, 0, "Cannot find last header");
1711
1712 zassert_equal(next_hdr_pos, 6, "Next header index wrong");
1713 zassert_equal(last_hdr_pos, sizeof(struct net_ipv6_hdr),
1714 "Last header position wrong");
1715
1716 zassert_equal(NET_IPV6_HDR(pkt)->nexthdr, 0x11, "Invalid next header");
1717 zassert_equal(pkt->buffer->data[next_hdr_pos], 0x11, "Invalid next "
1718 "header");
1719
1720 net_pkt_unref(pkt);
1721 }
1722
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_hbho_udp)1723 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_hbho_udp)
1724 {
1725 uint16_t next_hdr_pos = 0U;
1726 uint16_t last_hdr_pos = 0U;
1727 struct net_pkt *pkt;
1728 int ret;
1729
1730 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_hbho) +
1731 sizeof(struct net_ipv6_hdr) + 6,
1732 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1733 zassert_not_null(pkt, "packet");
1734
1735 net_pkt_set_family(pkt, AF_INET6);
1736 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1737 net_pkt_set_ipv6_ext_len(pkt, sizeof(ipv6_hbho) -
1738 sizeof(struct net_ipv6_hdr));
1739 /* Add IPv6 header + HBH option */
1740 ret = net_pkt_write(pkt, ipv6_hbho, sizeof(ipv6_hbho));
1741 zassert_true(ret == 0, "IPv6 header append failed");
1742
1743 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1744 zassert_equal(ret, 0, "Cannot find last header");
1745
1746 zassert_equal(next_hdr_pos, sizeof(struct net_ipv6_hdr),
1747 "Next header index wrong");
1748 zassert_equal(last_hdr_pos, sizeof(struct net_ipv6_hdr) + 8,
1749 "Last header position wrong");
1750
1751 zassert_equal(NET_IPV6_HDR(pkt)->nexthdr, 0, "Invalid next header");
1752 zassert_equal(pkt->buffer->data[next_hdr_pos], 0x11, "Invalid next "
1753 "header");
1754
1755 net_pkt_unref(pkt);
1756 }
1757
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_hbho_1)1758 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_hbho_1)
1759 {
1760 uint16_t next_hdr_pos = 0U;
1761 uint16_t last_hdr_pos = 0U;
1762 struct net_pkt *pkt;
1763 uint8_t next_hdr;
1764 uint8_t last_hdr;
1765 int ret;
1766
1767 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_hbho_1),
1768 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1769 zassert_not_null(pkt, "packet");
1770
1771 net_pkt_set_family(pkt, AF_INET6);
1772 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1773
1774 /* Add IPv6 header + HBH option + fragment header */
1775 ret = net_pkt_write(pkt, ipv6_hbho_1, sizeof(ipv6_hbho_1));
1776 zassert_true(ret == 0, "IPv6 header append failed");
1777
1778 net_pkt_set_overwrite(pkt, true);
1779
1780 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1781 zassert_equal(ret, 0, "Cannot find last header");
1782
1783 zassert_equal(next_hdr_pos, 40, "Next header position wrong");
1784 zassert_equal(last_hdr_pos, 112, "Last header position wrong");
1785
1786 net_pkt_cursor_init(pkt);
1787 net_pkt_skip(pkt, next_hdr_pos);
1788 net_pkt_read_u8(pkt, &next_hdr);
1789
1790 zassert_equal(next_hdr, 0x11, "Invalid next header");
1791
1792 net_pkt_cursor_init(pkt);
1793 net_pkt_skip(pkt, last_hdr_pos);
1794 net_pkt_read_u8(pkt, &last_hdr);
1795
1796 zassert_equal(last_hdr, 0x4e, "Invalid last header");
1797
1798 net_pkt_unref(pkt);
1799 }
1800
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_hbho_2)1801 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_hbho_2)
1802 {
1803 uint16_t next_hdr_pos = 0U;
1804 uint16_t last_hdr_pos = 0U;
1805 struct net_pkt *pkt;
1806 uint8_t next_hdr;
1807 uint8_t last_hdr;
1808 int ret;
1809
1810 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_hbho_2),
1811 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1812 zassert_not_null(pkt, "packet");
1813
1814 net_pkt_set_family(pkt, AF_INET6);
1815 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1816
1817 /* Add IPv6 header + HBH option + fragment header */
1818 ret = net_pkt_write(pkt, ipv6_hbho_2, sizeof(ipv6_hbho_2));
1819 zassert_true(ret == 0, "IPv6 header append failed");
1820
1821 net_pkt_set_overwrite(pkt, true);
1822
1823 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1824 zassert_equal(ret, 0, "Cannot find last header");
1825
1826 zassert_equal(next_hdr_pos, 40, "Next header position wrong");
1827 zassert_equal(last_hdr_pos, 144, "Last header position wrong");
1828
1829 net_pkt_cursor_init(pkt);
1830 net_pkt_skip(pkt, next_hdr_pos);
1831 net_pkt_read_u8(pkt, &next_hdr);
1832
1833 zassert_equal(next_hdr, 0x11, "Invalid next header");
1834
1835 net_pkt_cursor_init(pkt);
1836 net_pkt_skip(pkt, last_hdr_pos);
1837 net_pkt_read_u8(pkt, &last_hdr);
1838
1839 zassert_equal(last_hdr, 0x4e, "Invalid last header");
1840
1841 net_pkt_unref(pkt);
1842 }
1843
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_hbho_3)1844 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_hbho_3)
1845 {
1846 uint16_t next_hdr_pos = 0U;
1847 uint16_t last_hdr_pos = 0U;
1848 struct net_pkt *pkt;
1849 uint8_t next_hdr;
1850 uint8_t last_hdr;
1851 int ret;
1852
1853 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_hbho_3),
1854 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1855 zassert_not_null(pkt, "packet");
1856
1857 net_pkt_set_family(pkt, AF_INET6);
1858 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1859
1860 /* Add IPv6 header + HBH option + fragment header */
1861 ret = net_pkt_write(pkt, ipv6_hbho_3, sizeof(ipv6_hbho_3));
1862 zassert_true(ret == 0, "IPv6 header append failed");
1863
1864 net_pkt_set_overwrite(pkt, true);
1865
1866 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1867 zassert_equal(ret, 0, "Cannot find last header");
1868
1869 zassert_equal(next_hdr_pos, 40, "Next header position wrong");
1870 zassert_equal(last_hdr_pos, 960, "Last header position wrong");
1871
1872 net_pkt_cursor_init(pkt);
1873 net_pkt_skip(pkt, next_hdr_pos);
1874 net_pkt_read_u8(pkt, &next_hdr);
1875
1876 zassert_equal(next_hdr, 0x11, "Invalid next header");
1877
1878 net_pkt_cursor_init(pkt);
1879 net_pkt_skip(pkt, last_hdr_pos);
1880 net_pkt_read_u8(pkt, &last_hdr);
1881
1882 zassert_equal(last_hdr, 0x4e, "Invalid last header");
1883
1884 net_pkt_unref(pkt);
1885 }
1886
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_hbho_frag)1887 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_hbho_frag)
1888 {
1889 uint16_t next_hdr_pos = 0U;
1890 uint16_t last_hdr_pos = 0U;
1891 struct net_pkt *pkt;
1892 int ret;
1893
1894 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_hbho_frag),
1895 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1896 zassert_not_null(pkt, "packet");
1897
1898 net_pkt_set_family(pkt, AF_INET6);
1899 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1900
1901 /* Add IPv6 header + HBH option + fragment header */
1902 ret = net_pkt_write(pkt, ipv6_hbho_frag, sizeof(ipv6_hbho_frag));
1903 zassert_true(ret == 0, "IPv6 header append failed");
1904
1905 net_pkt_set_overwrite(pkt, true);
1906
1907 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1908 zassert_equal(ret, 0, "Cannot find last header");
1909
1910 zassert_equal(next_hdr_pos, sizeof(struct net_ipv6_hdr) + 8,
1911 "Next header position wrong");
1912 zassert_equal(last_hdr_pos, sizeof(struct net_ipv6_hdr) + 8 + 8,
1913 "Last header position wrong");
1914
1915 zassert_equal(NET_IPV6_HDR(pkt)->nexthdr, 0, "Invalid next header");
1916 zassert_equal(pkt->buffer->data[next_hdr_pos], 0x11,
1917 "Invalid next header");
1918
1919 net_pkt_unref(pkt);
1920 }
1921
ZTEST(net_ipv6_fragment,test_find_last_ipv6_fragment_hbho_frag_1)1922 ZTEST(net_ipv6_fragment, test_find_last_ipv6_fragment_hbho_frag_1)
1923 {
1924 uint16_t next_hdr_pos = 0U;
1925 uint16_t last_hdr_pos = 0U;
1926 struct net_pkt *pkt;
1927 uint8_t next_hdr;
1928 uint8_t last_hdr;
1929 int ret;
1930
1931 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_hbho_frag_1),
1932 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1933 zassert_not_null(pkt, "packet");
1934
1935 net_pkt_set_family(pkt, AF_INET6);
1936 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1937
1938 /* Add IPv6 header + HBH option + fragment header */
1939 ret = net_pkt_write(pkt, ipv6_hbho_frag_1,
1940 sizeof(ipv6_hbho_frag_1));
1941 zassert_true(ret == 0, "IPv6 header append failed");
1942
1943 net_pkt_set_overwrite(pkt, true);
1944
1945 ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_pos, &last_hdr_pos);
1946 zassert_equal(ret, 0, "Cannot find last header");
1947
1948 zassert_equal(next_hdr_pos, 1072, "Next header position wrong");
1949 zassert_equal(last_hdr_pos, 1080, "Last header position wrong");
1950
1951 net_pkt_cursor_init(pkt);
1952 net_pkt_skip(pkt, next_hdr_pos);
1953 net_pkt_read_u8(pkt, &next_hdr);
1954
1955 zassert_equal(next_hdr, 0x3a, "Invalid next header");
1956
1957 net_pkt_cursor_init(pkt);
1958 net_pkt_skip(pkt, last_hdr_pos);
1959 net_pkt_read_u8(pkt, &last_hdr);
1960
1961 zassert_equal(last_hdr, 0x80, "Invalid next header");
1962
1963 net_pkt_unref(pkt);
1964 }
1965
ZTEST(net_ipv6_fragment,test_send_ipv6_fragment)1966 ZTEST(net_ipv6_fragment, test_send_ipv6_fragment)
1967 {
1968 #define MAX_LEN 1600
1969 static char data[] = "123456789.";
1970 int data_len = sizeof(data) - 1;
1971 int count = MAX_LEN / data_len;
1972 struct net_pkt *pkt;
1973 size_t total_len;
1974 int i, ret;
1975
1976 test_type = IPV6_SMALL_HBHO_FRAG;
1977 pkt_data_len = 0U;
1978
1979 pkt = net_pkt_alloc_with_buffer(iface1,
1980 sizeof(ipv6_hbho) + (count * data_len),
1981 AF_UNSPEC, 0, ALLOC_TIMEOUT);
1982 zassert_not_null(pkt, "packet");
1983
1984 net_pkt_set_iface(pkt, iface1);
1985 net_pkt_set_family(pkt, AF_INET6);
1986 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
1987 net_pkt_set_ipv6_ext_len(pkt, 8); /* hbho */
1988
1989 /* Add IPv6 header + HBH option */
1990 ret = net_pkt_write(pkt, ipv6_hbho, sizeof(ipv6_hbho));
1991 zassert_true(ret == 0, "IPv6 header append failed");
1992
1993 /* Then add some data that is over 1280 bytes long */
1994 for (i = 0; i < count; i++) {
1995 ret = net_pkt_write(pkt, data, data_len);
1996
1997 zassert_true(ret == 0, "Cannot append data");
1998
1999 pkt_data_len += data_len;
2000 }
2001
2002 zassert_equal(pkt_data_len, count * data_len, "Data size mismatch");
2003
2004 total_len = net_pkt_get_len(pkt) - sizeof(struct net_ipv6_hdr);
2005
2006 NET_DBG("Sending %zd bytes of which ext %d and data %d bytes",
2007 total_len, net_pkt_ipv6_ext_len(pkt), pkt_data_len);
2008
2009 zassert_equal(total_len - net_pkt_ipv6_ext_len(pkt) - 8, pkt_data_len,
2010 "Packet size invalid");
2011
2012 NET_IPV6_HDR(pkt)->len = htons(total_len);
2013
2014 net_pkt_cursor_init(pkt);
2015 net_pkt_set_overwrite(pkt, true);
2016 net_pkt_skip(pkt, net_pkt_ip_hdr_len(pkt) + net_pkt_ipv6_ext_len(pkt));
2017
2018 net_udp_finalize(pkt, false);
2019
2020 test_failed = false;
2021 test_complete = false;
2022
2023 ret = net_send_data(pkt);
2024 if (ret < 0) {
2025 NET_DBG("Cannot send test packet (%d)", ret);
2026 zassert_equal(ret, 0, "Cannot send");
2027 }
2028
2029 if (k_sem_take(&wait_data, WAIT_TIME)) {
2030 NET_DBG("Timeout while waiting interface data");
2031 zassert_true(false, "Timeout");
2032 }
2033 }
2034
ZTEST(net_ipv6_fragment,test_send_ipv6_fragment_large_hbho)2035 ZTEST(net_ipv6_fragment, test_send_ipv6_fragment_large_hbho)
2036 {
2037 struct net_pkt *pkt;
2038 size_t total_len;
2039 int ret;
2040
2041 frag_count = 0;
2042 pkt_data_len = 416U;
2043 test_type = IPV6_LARGE_HBHO_FRAG;
2044
2045 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_large_hbho),
2046 AF_UNSPEC, 0, ALLOC_TIMEOUT);
2047 zassert_not_null(pkt, "packet");
2048
2049 net_pkt_set_family(pkt, AF_INET6);
2050 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
2051 net_pkt_set_ipv6_ext_len(pkt, 1032); /* hbho */
2052
2053 ret = net_pkt_write(pkt, ipv6_large_hbho, sizeof(ipv6_large_hbho));
2054 zassert_true(ret == 0, "IPv6 header append failed");
2055
2056 net_pkt_set_overwrite(pkt, true);
2057
2058 total_len = net_pkt_get_len(pkt) - sizeof(struct net_ipv6_hdr);
2059
2060 NET_DBG("Sending %zd bytes of which ext %d and data %d bytes",
2061 total_len, net_pkt_ipv6_ext_len(pkt), pkt_data_len);
2062
2063 test_failed = false;
2064 test_complete = false;
2065
2066 ret = net_send_data(pkt);
2067 if (ret < 0) {
2068 NET_DBG("Cannot send test packet (%d)", ret);
2069 zassert_equal(ret, 0, "Cannot send");
2070 }
2071
2072 if (k_sem_take(&wait_data, WAIT_TIME)) {
2073 NET_DBG("Timeout while waiting interface data");
2074 zassert_true(false, "Timeout");
2075 }
2076 }
2077
ZTEST(net_ipv6_fragment,test_send_ipv6_fragment_without_hbho)2078 ZTEST(net_ipv6_fragment, test_send_ipv6_fragment_without_hbho)
2079 {
2080 struct net_pkt *pkt;
2081 size_t total_len;
2082 int ret;
2083
2084 frag_count = 0;
2085 pkt_data_len = sizeof(ipv6_frag_wo_hbho) -
2086 sizeof(struct net_ipv6_hdr) -
2087 NET_IPV6_FRAGH_LEN;
2088 test_type = IPV6_WITHOUT_HBHO_FRAG;
2089
2090 pkt = net_pkt_alloc_with_buffer(iface1, sizeof(ipv6_frag_wo_hbho),
2091 AF_UNSPEC, 0, ALLOC_TIMEOUT);
2092 zassert_not_null(pkt, "packet");
2093
2094 net_pkt_set_family(pkt, AF_INET6);
2095 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
2096 net_pkt_set_ipv6_ext_len(pkt, NET_IPV6_FRAGH_LEN); /* without hbho*/
2097
2098 ret = net_pkt_write(pkt, ipv6_frag_wo_hbho,
2099 sizeof(ipv6_frag_wo_hbho));
2100 zassert_true(ret == 0, "IPv6 header append failed");
2101
2102 net_pkt_set_overwrite(pkt, true);
2103
2104 total_len = net_pkt_get_len(pkt) - sizeof(struct net_ipv6_hdr) -
2105 NET_IPV6_FRAGH_LEN;
2106
2107 NET_DBG("Sending %zd bytes of which ext %d and data %d bytes",
2108 total_len, net_pkt_ipv6_ext_len(pkt), pkt_data_len);
2109
2110 test_failed = false;
2111 test_complete = false;
2112
2113 ret = net_send_data(pkt);
2114 if (ret < 0) {
2115 NET_DBG("Cannot send test packet (%d)", ret);
2116 zassert_equal(ret, 0, "Cannot send");
2117 }
2118
2119 if (k_sem_take(&wait_data, WAIT_TIME)) {
2120 NET_DBG("Timeout while waiting interface data");
2121 zassert_true(false, "Timeout");
2122 }
2123 }
2124
ZTEST(net_ipv6_fragment,test_send_ipv6_fragment_udp_loopback)2125 ZTEST(net_ipv6_fragment, test_send_ipv6_fragment_udp_loopback)
2126 {
2127 #define MAX_LEN 1600
2128 static const char data[] = "123456789.";
2129 int data_len = sizeof(data) - 1;
2130 int count = MAX_LEN / data_len;
2131 struct net_pkt *pkt;
2132 size_t total_len;
2133 int i, ret;
2134
2135 frag_count = 0;
2136 test_type = IPV6_UDP_LOOPBACK;
2137 pkt_data_len = 0U;
2138
2139 pkt = net_pkt_alloc_with_buffer(iface1,
2140 sizeof(ipv6_udp) + (count * data_len),
2141 AF_UNSPEC, 0, ALLOC_TIMEOUT);
2142 zassert_not_null(pkt, "packet");
2143
2144 net_pkt_set_iface(pkt, iface1);
2145 net_pkt_set_family(pkt, AF_INET6);
2146 net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
2147 net_pkt_set_ipv6_ext_len(pkt, 0);
2148
2149 /* Add IPv6 header + HBH option */
2150 ret = net_pkt_write(pkt, ipv6_udp, sizeof(ipv6_udp));
2151 zassert_true(ret == 0, "IPv6 header append failed");
2152
2153 /* Then add some data that is over 1280 bytes long */
2154 for (i = 0; i < count; i++) {
2155 ret = net_pkt_write(pkt, data, data_len);
2156
2157 zassert_true(ret == 0, "Cannot append data");
2158
2159 pkt_data_len += data_len;
2160 }
2161
2162 zassert_equal(pkt_data_len, count * data_len, "Data size mismatch");
2163
2164 total_len = net_pkt_get_len(pkt) - sizeof(struct net_ipv6_hdr);
2165
2166 NET_DBG("Sending %zd bytes of which ext %d and data %d bytes",
2167 total_len, net_pkt_ipv6_ext_len(pkt), pkt_data_len);
2168
2169 zassert_equal(total_len - net_pkt_ipv6_ext_len(pkt) - 8, pkt_data_len,
2170 "Packet size invalid");
2171
2172 NET_IPV6_HDR(pkt)->len = htons(total_len);
2173
2174 net_pkt_cursor_init(pkt);
2175 net_pkt_set_overwrite(pkt, true);
2176 net_pkt_skip(pkt, net_pkt_ip_hdr_len(pkt) + net_pkt_ipv6_ext_len(pkt));
2177
2178 net_udp_finalize(pkt, false);
2179
2180 test_failed = false;
2181 test_complete = false;
2182
2183 ret = net_send_data(pkt);
2184 if (ret < 0) {
2185 NET_DBG("Cannot send test packet (%d)", ret);
2186 zassert_equal(ret, 0, "Cannot send");
2187 }
2188
2189 if (k_sem_take(&wait_data, WAIT_TIME)) {
2190 NET_DBG("Timeout while waiting interface data");
2191 zassert_true(false, "Timeout");
2192 }
2193 }
2194
2195 static uint8_t ipv6_reass_frag1[] = {
2196 0x60, 0x00, 0x00, 0x00, 0x04, 0xd8, 0x2c, 0x40,
2197 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
2198 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
2199 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
2200 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
2201 0x3a, 0x00, 0x00, 0x01, 0x7c, 0x8e, 0x53, 0x49,
2202 0x81, 0x00, 0xda, 0x34, 0x28, 0x5b, 0x00, 0x01
2203 };
2204
2205 static uint8_t ipv6_reass_frag2[] = {
2206 0x60, 0x00, 0x00, 0x00, 0x00, 0x54, 0x2c, 0x40,
2207 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
2208 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
2209 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
2210 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
2211 0x3a, 0x00, 0x04, 0xd0, 0x7c, 0x8e, 0x53, 0x49
2212 };
2213
2214 #define ECHO_REPLY_H_LEN 8
2215 #define ECHO_REPLY_ID_OFFSET (NET_IPV6H_LEN + NET_IPV6_FRAGH_LEN + 4)
2216 #define ECHO_REPLY_SEQ_OFFSET (NET_IPV6H_LEN + NET_IPV6_FRAGH_LEN + 6)
2217
2218 static uint16_t test_recv_payload_len = 1300U;
2219
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)2220 static int handle_ipv6_echo_reply(struct net_icmp_ctx *ctx,
2221 struct net_pkt *pkt,
2222 struct net_icmp_ip_hdr *ip_hdr,
2223 struct net_icmp_hdr *icmp_hdr,
2224 void *user_data)
2225 {
2226 const struct net_ipv6_hdr *hdr = NET_IPV6_HDR(pkt);
2227 uint8_t verify_buf[NET_IPV6H_LEN];
2228 size_t expected_pkt_length = NET_IPV6H_LEN + ECHO_REPLY_H_LEN + test_recv_payload_len;
2229 uint16_t expected_icmpv6_length = htons(test_recv_payload_len + ECHO_REPLY_H_LEN);
2230 uint16_t i;
2231 uint8_t expected_data = 0;
2232
2233 ARG_UNUSED(ctx);
2234 ARG_UNUSED(ip_hdr);
2235 ARG_UNUSED(icmp_hdr);
2236 ARG_UNUSED(user_data);
2237
2238 NET_DBG("Data %p received", pkt);
2239
2240 zassert_equal(net_pkt_get_len(pkt), expected_pkt_length, "Invalid packet length");
2241
2242 /* Verify IPv6 header is valid */
2243 zassert_equal(hdr->vtc, ipv6_reass_frag1[offsetof(struct net_ipv6_hdr, vtc)],
2244 "IPv6 header vtc mismatch");
2245 zassert_equal(hdr->tcflow, ipv6_reass_frag1[offsetof(struct net_ipv6_hdr, tcflow)],
2246 "IPv6 header tcflow mismatch");
2247 zassert_mem_equal(&hdr->flow, &ipv6_reass_frag1[offsetof(struct net_ipv6_hdr, flow)],
2248 sizeof(hdr->flow), "IPv6 header flow mismatch");
2249 zassert_equal(hdr->len, expected_icmpv6_length, "IPv6 header len mismatch");
2250 zassert_equal(hdr->nexthdr, IPPROTO_ICMPV6, "IPv6 header nexthdr mismatch");
2251 zassert_equal(hdr->hop_limit, ipv6_reass_frag1[offsetof(struct net_ipv6_hdr, hop_limit)],
2252 "IPv6 header hop_limit mismatch");
2253 zassert_mem_equal(hdr->src, &ipv6_reass_frag1[offsetof(struct net_ipv6_hdr, src)],
2254 NET_IPV6_ADDR_SIZE, "IPv6 header source IP mismatch");
2255 zassert_mem_equal(hdr->dst, &ipv6_reass_frag1[offsetof(struct net_ipv6_hdr, dst)],
2256 NET_IPV6_ADDR_SIZE, "IPv6 header destination IP mismatch");
2257
2258 /* Verify Echo Reply header is valid */
2259 net_pkt_cursor_init(pkt);
2260 net_pkt_read(pkt, verify_buf, NET_IPV6H_LEN);
2261 net_pkt_read(pkt, verify_buf, ECHO_REPLY_H_LEN);
2262
2263 zassert_equal(verify_buf[0], NET_ICMPV6_ECHO_REPLY,
2264 "Echo reply header invalid type");
2265 zassert_equal(verify_buf[1], 0, "Echo reply header invalid code");
2266 zassert_equal(net_calc_chksum_icmpv6(pkt), 0,
2267 "Echo reply header invalid checksum");
2268 zassert_mem_equal(verify_buf + 4, ipv6_reass_frag1 + ECHO_REPLY_ID_OFFSET, 2,
2269 "Echo reply header invalid identifier");
2270 zassert_mem_equal(verify_buf + 6, ipv6_reass_frag1 + ECHO_REPLY_SEQ_OFFSET, 2,
2271 "Echo reply header invalid sequence");
2272
2273 /* Verify data is valid */
2274 i = NET_IPV6H_LEN + ECHO_REPLY_H_LEN;
2275 while (i < net_pkt_get_len(pkt)) {
2276 uint8_t data;
2277
2278 net_pkt_read_u8(pkt, &data);
2279 zassert_equal(data, expected_data,
2280 "Echo reply data verification failure");
2281 expected_data++;
2282 i++;
2283 }
2284
2285 k_sem_give(&wait_data);
2286
2287 return NET_OK;
2288 }
2289
ZTEST(net_ipv6_fragment,test_recv_ipv6_fragment)2290 ZTEST(net_ipv6_fragment, test_recv_ipv6_fragment)
2291 {
2292 struct net_ipv6_hdr ipv6_hdr;
2293 struct net_pkt_cursor backup;
2294 struct net_pkt *pkt1;
2295 struct net_pkt *pkt2;
2296 uint16_t payload1_len;
2297 uint16_t payload2_len;
2298 uint8_t data;
2299 int ret;
2300 struct net_icmp_ctx ctx;
2301
2302 ret = net_icmp_init_ctx(&ctx, NET_ICMPV6_ECHO_REPLY,
2303 0, handle_ipv6_echo_reply);
2304 zassert_equal(ret, 0, "Cannot register %s handler (%d)",
2305 STRINGIFY(NET_ICMPV6_ECHO_REPLY), ret);
2306
2307 /* Fragment 1 */
2308 data = 0U;
2309 payload1_len = NET_IPV6_MTU - sizeof(ipv6_reass_frag1);
2310 payload2_len = test_recv_payload_len - payload1_len;
2311
2312 pkt1 = net_pkt_alloc_with_buffer(iface1, NET_IPV6_MTU, AF_UNSPEC,
2313 0, ALLOC_TIMEOUT);
2314 zassert_not_null(pkt1, "packet");
2315
2316 net_pkt_set_family(pkt1, AF_INET6);
2317 net_pkt_set_ip_hdr_len(pkt1, sizeof(struct net_ipv6_hdr));
2318 net_pkt_cursor_init(pkt1);
2319
2320 memcpy(&ipv6_hdr, ipv6_reass_frag1, sizeof(struct net_ipv6_hdr));
2321
2322 ret = net_pkt_write(pkt1, ipv6_reass_frag1,
2323 sizeof(struct net_ipv6_hdr) + 1);
2324 zassert_true(ret == 0, "IPv6 header append failed");
2325
2326 net_pkt_cursor_backup(pkt1, &backup);
2327
2328 ret = net_pkt_write(pkt1,
2329 ipv6_reass_frag1 + sizeof(struct net_ipv6_hdr) + 1,
2330 sizeof(ipv6_reass_frag1) -
2331 sizeof(struct net_ipv6_hdr) - 1);
2332 zassert_true(ret == 0, "IPv6 fragment header append failed");
2333
2334 while (payload1_len--) {
2335 ret = net_pkt_write_u8(pkt1, data++);
2336 zassert_true(ret == 0, "IPv6 header append failed");
2337 }
2338
2339 net_pkt_set_ipv6_hdr_prev(pkt1, offsetof(struct net_ipv6_hdr, nexthdr));
2340 net_pkt_set_ipv6_fragment_start(pkt1, sizeof(struct net_ipv6_hdr));
2341 net_pkt_set_overwrite(pkt1, true);
2342
2343 net_pkt_cursor_restore(pkt1, &backup);
2344
2345 ret = net_ipv6_handle_fragment_hdr(pkt1, &ipv6_hdr,
2346 NET_IPV6_NEXTHDR_FRAG);
2347 zassert_true(ret == NET_OK, "IPv6 frag1 reassembly failed");
2348
2349 /* Fragment 2 */
2350
2351 pkt2 = net_pkt_alloc_with_buffer(iface1, payload2_len +
2352 sizeof(ipv6_reass_frag2),
2353 AF_UNSPEC, 0, ALLOC_TIMEOUT);
2354 zassert_not_null(pkt2, "packet");
2355
2356 net_pkt_set_family(pkt2, AF_INET6);
2357 net_pkt_set_ip_hdr_len(pkt2, sizeof(struct net_ipv6_hdr));
2358 net_pkt_cursor_init(pkt2);
2359
2360 memcpy(&ipv6_hdr, ipv6_reass_frag2, sizeof(struct net_ipv6_hdr));
2361
2362 ret = net_pkt_write(pkt2, ipv6_reass_frag2,
2363 sizeof(struct net_ipv6_hdr) + 1);
2364 zassert_true(ret == 0, "IPv6 header append failed");
2365
2366 net_pkt_cursor_backup(pkt2, &backup);
2367
2368 ret = net_pkt_write(pkt2,
2369 ipv6_reass_frag2 + sizeof(struct net_ipv6_hdr) + 1,
2370 sizeof(ipv6_reass_frag2) -
2371 sizeof(struct net_ipv6_hdr) - 1);
2372 zassert_true(ret == 0, "IPv6 fragment header append failed");
2373
2374 while (payload2_len--) {
2375 ret = net_pkt_write_u8(pkt2, data++);
2376 zassert_true(ret == 0, "IPv6 header append failed");
2377 }
2378
2379 net_pkt_set_ipv6_hdr_prev(pkt2, offsetof(struct net_ipv6_hdr, nexthdr));
2380 net_pkt_set_ipv6_fragment_start(pkt2, sizeof(struct net_ipv6_hdr));
2381 net_pkt_set_overwrite(pkt2, true);
2382
2383 net_pkt_cursor_restore(pkt2, &backup);
2384
2385 ret = net_ipv6_handle_fragment_hdr(pkt2, &ipv6_hdr,
2386 NET_IPV6_NEXTHDR_FRAG);
2387 zassert_true(ret == NET_OK, "IPv6 frag2 reassembly failed");
2388
2389 if (k_sem_take(&wait_data, WAIT_TIME)) {
2390 NET_DBG("Timeout while waiting interface data");
2391 zassert_true(false, "Timeout");
2392 }
2393
2394 net_icmp_cleanup_ctx(&ctx);
2395 }
2396
2397 ZTEST_SUITE(net_ipv6_fragment, NULL, test_setup, NULL, NULL, NULL);
2398
