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1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 | /* main.c - Application main entry point */
/*
* Copyright (c) 2017 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/types.h>
#include <stdbool.h>
#include <stddef.h>
#include <string.h>
#include <errno.h>
#include <misc/printk.h>
#include <linker/sections.h>
#include <ztest.h>
#include <net/ethernet.h>
#include <net/buf.h>
#include <net/net_ip.h>
#include <net/net_if.h>
#define NET_LOG_ENABLED 1
#include "net_private.h"
#include "ipv6.h"
#include "udp_internal.h"
#if defined(CONFIG_NET_DEBUG_IPV6)
#define DBG(fmt, ...) printk(fmt, ##__VA_ARGS__)
#else
#define DBG(fmt, ...)
#endif
/* Interface 1 addresses */
static struct in6_addr my_addr1 = { { { 0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0x1 } } };
/* Interface 2 addresses */
static struct in6_addr my_addr2 = { { { 0x20, 0x01, 0x0d, 0xb8, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0x2 } } };
/* Extra address is assigned to ll_addr */
static struct in6_addr ll_addr = { { { 0xfe, 0x80, 0x43, 0xb8, 0, 0, 0, 0,
0, 0, 0, 0xf2, 0xaa, 0x29, 0x02,
0x04 } } };
static u8_t mac2_addr[] = { 0x02, 0x00, 0x00, 0x00, 0x00, 0x02 };
static struct net_linkaddr ll_addr2 = {
.addr = mac2_addr,
.len = 6,
};
/* No extension header */
static const unsigned char ipv6_udp[] = {
/* IPv6 header starts here */
0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x11, 0x3f, /* `....6.? */
0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
/* UDP header starts here (checksum is "fixed" in this example) */
0xaa, 0xdc, 0xbf, 0xd7, 0x00, 0x2e, 0xa2, 0x55, /* ......M. */
/* User data starts here and is appended in corresponding function */
};
/* IPv6 hop-by-hop option in the message */
static const unsigned char ipv6_hbho[] = {
/* IPv6 header starts here */
0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x3f, /* `....6.? */
0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
/* Hop-by-hop option starts here */
0x11, 0x00,
/* RPL sub-option starts here */
0x63, 0x04, 0x80, 0x1e, 0x01, 0x00, /* ..c..... */
/* UDP header starts here (checksum is "fixed" in this example) */
0xaa, 0xdc, 0xbf, 0xd7, 0x00, 0x2e, 0xa2, 0x55, /* ......M. */
/* User data starts here and is appended in corresponding function */
};
/* IPv6 hop-by-hop option in the message HBHO (72 Bytes) */
static const unsigned char ipv6_hbho_1[] = {
/* IPv6 header starts here */
0x60, 0x00, 0x00, 0x00, 0x00, 0x78, 0x00, 0x40,
0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x08, 0xc0, 0xde, 0xff, 0xfe, 0x9b, 0xb4, 0x47,
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
/* Hop-by-hop option starts here */
0x11, 0x08,
/* Padding */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* UDP header starts here (8 bytes) */
0x4e, 0x20, 0x10, 0x92, 0x00, 0x30, 0xa1, 0xc5,
/* User data starts here (40 bytes) */
0x30, 0x26, 0x02, 0x01, 0x00, 0x04, 0x06, 0x70,
0x75, 0x62, 0x6c, 0x69, 0x63, 0xa0, 0x19, 0x02,
0x01, 0x00, 0x02, 0x01, 0x00, 0x02, 0x01, 0x00,
0x30, 0x0e, 0x30, 0x0c, 0x06, 0x08, 0x2b, 0x06,
0x01, 0x02, 0x01, 0x01, 0x05, 0x00, 0x05, 0x00 };
/* IPv6 hop-by-hop option in the message HBHO (104 Bytes) */
static const unsigned char ipv6_hbho_2[] = {
/* IPv6 header starts here */
0x60, 0x00, 0x00, 0x00, 0x00, 0x98, 0x00, 0x40,
0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x08, 0xc0, 0xde, 0xff, 0xfe, 0x9b, 0xb4, 0x47,
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
/* Hop-by-hop option starts here */
0x11, 0x0c,
/* padding */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x04, 0x00, 0x00, 0x00, 0x00,
/* udp header starts here (8 bytes) */
0x4e, 0x20, 0x10, 0x92, 0x00, 0x30, 0xa1, 0xc5,
/* User data starts here (40 bytes) */
0x30, 0x26, 0x02, 0x01, 0x00, 0x04, 0x06, 0x70,
0x75, 0x62, 0x6c, 0x69, 0x63, 0xa0, 0x19, 0x02,
0x01, 0x00, 0x02, 0x01, 0x00, 0x02, 0x01, 0x00,
0x30, 0x0e, 0x30, 0x0c, 0x06, 0x08, 0x2b, 0x06,
0x01, 0x02, 0x01, 0x01, 0x05, 0x00, 0x05, 0x00 };
/* IPv6 hop-by-hop option in the message HBHO (920 bytes) */
static const unsigned char ipv6_hbho_3[] = {
/* IPv6 header starts here */
0x60, 0x00, 0x00, 0x00, 0x03, 0xc8, 0x00, 0x40,
0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x08, 0xc0, 0xde, 0xff, 0xfe, 0x9b, 0xb4, 0x47,
0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
/* Hop-by-hop option starts here */
0x11, 0x72,
/* padding */
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x01, 0x04, 0x00, 0x00, 0x00, 0x00,
/* udp header starts here (8 bytes) */
0x4e, 0x20, 0x10, 0x92, 0x00, 0x30, 0xa1, 0xc5,
/* User data starts here (40 bytes) */
0x30, 0x26, 0x02, 0x01, 0x00, 0x04, 0x06, 0x70,
0x75, 0x62, 0x6c, 0x69, 0x63, 0xa0, 0x19, 0x02,
0x01, 0x00, 0x02, 0x01, 0x00, 0x02, 0x01, 0x00,
0x30, 0x0e, 0x30, 0x0c, 0x06, 0x08, 0x2b, 0x06,
0x01, 0x02, 0x01, 0x01, 0x05, 0x00, 0x05, 0x00
};
/* IPv6 hop-by-hop option in the message */
static const unsigned char ipv6_hbho_frag[] = {
/* IPv6 header starts here */
0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x3f, /* `....6.? */
0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
/* Hop-by-hop option starts here */
0x2c, 0x00,
/* RPL sub-option starts here */
0x63, 0x04, 0x80, 0x1e, 0x01, 0x00, /* ..c..... */
/* IPv6 fragment header */
0x11, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04,
/* UDP header starts here (checksum is "fixed" in this example) */
0xaa, 0xdc, 0xbf, 0xd7, 0x00, 0x2e, 0xa2, 0x55, /* ......M. */
/* User data starts here and is appended in corresponding function */
};
/* IPv6 hop-by-hop option in the message */
static const unsigned char ipv6_hbho_frag_1[] = {
/* IPv6 header starts here */
0x60, 0x00, 0x00, 0x00, 0x05, 0xb0, 0x00, 0x40
, 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x08, 0xc0, 0xde, 0xff, 0xfe, 0xc9, 0xa0, 0x4b
, 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
/* Hop-by-hop option starts here */
, 0x2c, 0x80
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
/* IPv6 fragment header */
, 0x3a, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02
/* ICMPv6 header and Data*/
, 0x80, 0x00, 0x13, 0xdf, 0x19, 0xc7, 0x19, 0xc7
, 0x54, 0x65, 0x73, 0x74, 0x2d, 0x67, 0x72, 0x6f
, 0x75, 0x70, 0x3a, 0x49, 0x50, 0x76, 0x36, 0x2e
, 0x49, 0x50, 0x76, 0x36, 0x2e, 0x49, 0x43, 0x4d
, 0x50, 0x76, 0x36, 0x2e, 0x45, 0x63, 0x68, 0x6f
, 0x2d, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74
, 0x2e, 0x49, 0x50, 0x76, 0x36, 0x2d, 0x50, 0x61
, 0x63, 0x6b, 0x65, 0x74, 0x2e, 0x70, 0x61, 0x79
, 0x6c, 0x6f, 0x61, 0x64, 0x2e, 0x69, 0x70, 0x76
, 0x36, 0x2d, 0x65, 0x78, 0x74, 0x65, 0x6e, 0x73
, 0x69, 0x6f, 0x6e, 0x2d, 0x68, 0x65, 0x61, 0x64
, 0x65, 0x72, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x65
, 0x72, 0x2d, 0x68, 0x6f, 0x70, 0x2d, 0x62, 0x79
, 0x2d, 0x68, 0x6f, 0x70, 0x2d, 0x6f, 0x70, 0x74
, 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x6f, 0x70, 0x74
, 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x65, 0x6c, 0x65
, 0x6d, 0x65, 0x6e, 0x74, 0x3b, 0x54, 0x65, 0x73
, 0x74, 0x2d, 0x63, 0x61, 0x73, 0x65, 0x3a, 0x32
, 0x31, 0x33, 0x30, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
};
/* IPv6 hop-by-hop option in the message */
static const unsigned char ipv6_large_hbho[] = {
/* IPv6 header starts here */
0x60, 0x00, 0x00, 0x00, 0x05, 0xa8, 0x00, 0x40
, 0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
, 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02
/* Hop-by-hop option starts here */
, 0x3a, 0x80
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
/* ICMPv6 header and Data*/
, 0x80, 0x00, 0x13, 0xdf, 0x19, 0xc7, 0x19, 0xc7
, 0x54, 0x65, 0x73, 0x74, 0x2d, 0x67, 0x72, 0x6f
, 0x75, 0x70, 0x3a, 0x49, 0x50, 0x76, 0x36, 0x2e
, 0x49, 0x50, 0x76, 0x36, 0x2e, 0x49, 0x43, 0x4d
, 0x50, 0x76, 0x36, 0x2e, 0x45, 0x63, 0x68, 0x6f
, 0x2d, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74
, 0x2e, 0x49, 0x50, 0x76, 0x36, 0x2d, 0x50, 0x61
, 0x63, 0x6b, 0x65, 0x74, 0x2e, 0x70, 0x61, 0x79
, 0x6c, 0x6f, 0x61, 0x64, 0x2e, 0x69, 0x70, 0x76
, 0x36, 0x2d, 0x65, 0x78, 0x74, 0x65, 0x6e, 0x73
, 0x69, 0x6f, 0x6e, 0x2d, 0x68, 0x65, 0x61, 0x64
, 0x65, 0x72, 0x2e, 0x68, 0x65, 0x61, 0x64, 0x65
, 0x72, 0x2d, 0x68, 0x6f, 0x70, 0x2d, 0x62, 0x79
, 0x2d, 0x68, 0x6f, 0x70, 0x2d, 0x6f, 0x70, 0x74
, 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x6f, 0x70, 0x74
, 0x69, 0x6f, 0x6e, 0x73, 0x2e, 0x65, 0x6c, 0x65
, 0x6d, 0x65, 0x6e, 0x74, 0x3b, 0x54, 0x65, 0x73
, 0x74, 0x2d, 0x63, 0x61, 0x73, 0x65, 0x3a, 0x32
, 0x31, 0x33, 0x30, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
, 0x02, 0x03, 0x04, 0x01, 0x02, 0x03, 0x04, 0x01
};
static unsigned char ipv6_first_frag[] = {
/* IPv6 header starts here */
0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x3f, /* `....6.? */
0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
/* Hop-by-hop option starts here */
0x2C, 0x00,
/* RPL sub-option starts here */
0x63, 0x04, 0x80, 0x1e, 0x01, 0x00, /* ..c..... */
/* IPv6 fragment header */
0x11, 0x00, 0x00, 0x01, 0x01, 0x02, 0x03, 0x04,
/* UDP header starts here (checksum is "fixed" in this example) */
0xaa, 0xdc, 0xbf, 0xd7, 0x00, 0x2e, 0xa2, 0x55, /* ......M. */
/* User data starts here and is appended in corresponding function */
};
static unsigned char ipv6_second_frag[] = {
/* IPv6 header starts here */
0x60, 0x00, 0x00, 0x00, 0x00, 0x36, 0x00, 0x3f, /* `....6.? */
0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
0x20, 0x01, 0x0D, 0xB8, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
/* Hop-by-hop option starts here */
0x2C, 0x00,
/* RPL sub-option starts here */
0x63, 0x04, 0x80, 0x1e, 0x01, 0x00, /* ..c..... */
/* IPv6 fragment header */
0x11, 0x00, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04,
};
static int frag_count;
static struct net_if *iface1;
static struct net_if *iface2;
static bool test_failed;
static bool test_started;
static struct k_sem wait_data;
static u16_t pkt_data_len;
static u16_t pkt_recv_data_len;
static bool large_hbho;
#define WAIT_TIME K_SECONDS(1)
#define ALLOC_TIMEOUT 500
struct net_if_test {
u8_t idx;
u8_t mac_addr[sizeof(struct net_eth_addr)];
struct net_linkaddr ll_addr;
};
static int net_iface_dev_init(struct device *dev)
{
return 0;
}
static u8_t *net_iface_get_mac(struct device *dev)
{
struct net_if_test *data = dev->driver_data;
if (data->mac_addr[2] == 0x00) {
/* 00-00-5E-00-53-xx Documentation RFC 7042 */
data->mac_addr[0] = 0x00;
data->mac_addr[1] = 0x00;
data->mac_addr[2] = 0x5E;
data->mac_addr[3] = 0x00;
data->mac_addr[4] = 0x53;
data->mac_addr[5] = sys_rand32_get();
}
data->ll_addr.addr = data->mac_addr;
data->ll_addr.len = 6;
return data->mac_addr;
}
static void net_iface_init(struct net_if *iface)
{
u8_t *mac = net_iface_get_mac(net_if_get_device(iface));
net_if_set_link_addr(iface, mac, sizeof(struct net_eth_addr),
NET_LINK_ETHERNET);
}
static int verify_fragment(struct net_pkt *pkt)
{
/* The fragment needs to have
* 1) IPv6 header
* 2) HBH option (if any)
* 3) IPv6 fragment header
* 4) UDP/ICMPv6/TCP header
* 5) data
*/
u16_t offset;
frag_count++;
if (!large_hbho) {
goto small;
} else {
goto large;
}
small:
if (frag_count == 1) {
/* First fragment received. Make sure that all the
* things are correct before the fragment header.
*/
size_t total_len = net_pkt_get_len(pkt);
total_len -= sizeof(struct net_ipv6_hdr);
ipv6_first_frag[4] = total_len / 256;
ipv6_first_frag[5] = total_len -
ipv6_first_frag[4] * 256;
if ((total_len / 256) != pkt->frags->data[4]) {
DBG("Invalid length, 1st byte\n");
return -EINVAL;
}
if ((total_len - pkt->frags->data[4] * 256) !=
pkt->frags->data[5]) {
DBG("Invalid length, 2nd byte\n");
return -EINVAL;
}
offset = pkt->frags->data[6 * 8 + 2] * 256 +
(pkt->frags->data[6 * 8 + 3] & 0xfe);
if (offset != 0) {
DBG("Invalid offset %d\n", offset);
return -EINVAL;
}
if ((ipv6_first_frag[6 * 8 + 3] & 0x01) != 1) {
DBG("Invalid MORE flag for first fragment\n");
return -EINVAL;
}
pkt_recv_data_len += total_len - 8 /* HBHO */ -
sizeof(struct net_ipv6_frag_hdr);
/* Rewrite the fragment id so that the memcmp() will not fail */
ipv6_first_frag[6 * 8 + 4] = pkt->frags->data[6 * 8 + 4];
ipv6_first_frag[6 * 8 + 5] = pkt->frags->data[6 * 8 + 5];
ipv6_first_frag[6 * 8 + 6] = pkt->frags->data[6 * 8 + 6];
ipv6_first_frag[6 * 8 + 7] = pkt->frags->data[6 * 8 + 7];
if (memcmp(pkt->frags->data, ipv6_first_frag, 7 * 8) != 0) {
net_hexdump("received", pkt->frags->data, 7 * 8);
DBG("\n");
net_hexdump("expected", ipv6_first_frag, 7 * 8);
return -EINVAL;
}
}
if (frag_count == 2) {
/* Second fragment received. */
size_t total_len = net_pkt_get_len(pkt);
total_len -= sizeof(struct net_ipv6_hdr);
ipv6_second_frag[4] = total_len / 256;
ipv6_second_frag[5] = total_len -
ipv6_second_frag[4] * 256;
if ((total_len / 256) != pkt->frags->data[4]) {
DBG("Invalid length, 1st byte\n");
return -EINVAL;
}
if ((total_len - pkt->frags->data[4] * 256) !=
pkt->frags->data[5]) {
DBG("Invalid length, 2nd byte\n");
return -EINVAL;
}
offset = pkt->frags->data[6 * 8 + 2] * 256 +
(pkt->frags->data[6 * 8 + 3] & 0xfe);
if (offset != pkt_recv_data_len) {
DBG("Invalid offset %d received %d\n",
offset, pkt_recv_data_len);
return -EINVAL;
}
/* Make sure the MORE flag is set correctly */
if ((pkt->frags->data[6 * 8 + 3] & 0x01) != 0) {
DBG("Invalid MORE flag for second fragment\n");
return -EINVAL;
}
pkt_recv_data_len += total_len - 8 /* HBHO */ - 8 /* UDP */ -
sizeof(struct net_ipv6_frag_hdr);
ipv6_second_frag[6 * 8 + 2] = pkt->frags->data[6 * 8 + 2];
ipv6_second_frag[6 * 8 + 3] = pkt->frags->data[6 * 8 + 3];
/* Rewrite the fragment id so that the memcmp() will not fail */
ipv6_second_frag[6 * 8 + 4] = pkt->frags->data[6 * 8 + 4];
ipv6_second_frag[6 * 8 + 5] = pkt->frags->data[6 * 8 + 5];
ipv6_second_frag[6 * 8 + 6] = pkt->frags->data[6 * 8 + 6];
ipv6_second_frag[6 * 8 + 7] = pkt->frags->data[6 * 8 + 7];
if (memcmp(pkt->frags->data, ipv6_second_frag, 7 * 8) != 0) {
net_hexdump("received 2", pkt->frags->data, 7 * 8);
DBG("\n");
net_hexdump("expected 2", ipv6_second_frag, 7 * 8);
return -EINVAL;
}
if (pkt_data_len != pkt_recv_data_len) {
DBG("Invalid amount of data received (%d vs %d)\n",
pkt_data_len, pkt_recv_data_len);
return -EINVAL;
}
}
return 0;
large:
if (frag_count == 1) {
u16_t exp_ext_len = 1040; /* 1032 (HBHO) + 8 (FRAG)*/
u16_t recv_ext_len;
u16_t exp_payload_len = 200;
u16_t recv_payload_len;
u16_t frag_offset;
struct net_buf *frag;
u16_t pos;
recv_ext_len = net_pkt_ipv6_ext_len(pkt);
if (recv_ext_len != exp_ext_len) {
DBG("Expected amount of Ext headers len is %d,"
"but received %d\n", exp_ext_len, recv_ext_len);
return -EINVAL;
}
/* IPv6 + HBHO + FRAG */
recv_payload_len = net_pkt_get_len(pkt) - 40 - 1032 - 8;
if (recv_payload_len != exp_payload_len) {
DBG("Expected amount of payload len is %d,"
"but received %d\n", exp_payload_len,
recv_payload_len);
return -EINVAL;
}
frag = net_frag_read_be16(pkt->frags, 40 + 1032 + 2, &pos,
&frag_offset);
if (!frag && pos == 0xffff) {
return -EINVAL;
}
if ((frag_offset & 0xfff8) != 0) {
DBG("Invalid fragment offset %d\n",
frag_offset & 0xfff8);
return -EINVAL;
}
if ((frag_offset & 0x0001) != 1) {
DBG("Fragment More flag should be set\n");
return -EINVAL;
}
}
if (frag_count == 2) {
u16_t exp_ext_len = 1040; /* 1032 (HBHO) + 8 (FRAG)*/
u16_t recv_ext_len;
u16_t exp_payload_len = 200;
u16_t recv_payload_len;
u16_t frag_offset;
struct net_buf *frag;
u16_t pos;
recv_ext_len = net_pkt_ipv6_ext_len(pkt);
if (recv_ext_len != exp_ext_len) {
DBG("Expected amount of Ext headers len is %d,"
"but received %d\n", exp_ext_len, recv_ext_len);
return -EINVAL;
}
/* IPv6 + HBHO + FRAG */
recv_payload_len = net_pkt_get_len(pkt) - 40 - 1032 - 8;
if (recv_payload_len != exp_payload_len) {
DBG("Expected amount of payload len is %d,"
"but received %d\n", exp_payload_len,
recv_payload_len);
return -EINVAL;
}
frag = net_frag_read_be16(pkt->frags, 40 + 1032 + 2, &pos,
&frag_offset);
if (!frag && pos == 0xffff) {
return -EINVAL;
}
if ((frag_offset & 0xfff8) != 200) {
DBG("Invalid fragment offset %d\n",
frag_offset & 0xfff8);
return -EINVAL;
}
if ((frag_offset & 0x0001) != 1) {
DBG("Fragment More flag should be set\n");
return -EINVAL;
}
}
if (frag_count == 3) {
u16_t exp_ext_len = 1040; /* 1032 (HBHO) + 8 (FRAG)*/
u16_t recv_ext_len;
u16_t exp_payload_len = 16;
u16_t recv_payload_len;
u16_t frag_offset;
struct net_buf *frag;
u16_t pos;
recv_ext_len = net_pkt_ipv6_ext_len(pkt);
if (recv_ext_len != exp_ext_len) {
DBG("Expected amount of Ext headers len is %d,"
"but received %d\n", exp_ext_len, recv_ext_len);
return -EINVAL;
}
/* IPv6 + HBHO + FRAG */
recv_payload_len = net_pkt_get_len(pkt) - 40 - 1032 - 8;
if (recv_payload_len != exp_payload_len) {
DBG("Expected amount of payload len is %d,"
"but received %d\n", exp_payload_len,
recv_payload_len);
return -EINVAL;
}
frag = net_frag_read_be16(pkt->frags, 40 + 1032 + 2, &pos,
&frag_offset);
if (!frag && pos == 0xffff) {
return -EINVAL;
}
if ((frag_offset & 0xfff8) != 400) {
DBG("Invalid fragment offset %d\n",
frag_offset & 0xfff8);
return -EINVAL;
}
if ((frag_offset & 0x0001) != 0) {
DBG("Fragment More flag should be unset\n");
return -EINVAL;
}
}
return 0;
}
static int sender_iface(struct net_if *iface, struct net_pkt *pkt)
{
if (!pkt->frags) {
DBG("No data to send!\n");
return -ENODATA;
}
if (test_started) {
struct net_if_test *data =
net_if_get_device(iface)->driver_data;
DBG("Sending at iface %d %p\n", net_if_get_by_iface(iface),
iface);
if (net_pkt_iface(pkt) != iface) {
DBG("Invalid interface %p, expecting %p\n",
net_pkt_iface(pkt), iface);
test_failed = true;
}
if (net_if_get_by_iface(iface) != data->idx) {
DBG("Invalid interface %d index, expecting %d\n",
data->idx, net_if_get_by_iface(iface));
test_failed = true;
}
/* Verify the fragments */
if (verify_fragment(pkt) < 0) {
DBG("Fragments cannot be verified\n");
test_failed = true;
} else {
k_sem_give(&wait_data);
}
}
zassert_false(test_failed, "Fragment verify failed");
net_pkt_unref(pkt);
return 0;
}
struct net_if_test net_iface1_data;
struct net_if_test net_iface2_data;
static struct net_if_api net_iface_api = {
.init = net_iface_init,
.send = sender_iface,
};
#define _ETH_L2_LAYER DUMMY_L2
#define _ETH_L2_CTX_TYPE NET_L2_GET_CTX_TYPE(DUMMY_L2)
NET_DEVICE_INIT_INSTANCE(net_iface1_test,
"iface1",
iface1,
net_iface_dev_init,
&net_iface1_data,
NULL,
CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
&net_iface_api,
_ETH_L2_LAYER,
_ETH_L2_CTX_TYPE,
127);
NET_DEVICE_INIT_INSTANCE(net_iface2_test,
"iface2",
iface2,
net_iface_dev_init,
&net_iface2_data,
NULL,
CONFIG_KERNEL_INIT_PRIORITY_DEFAULT,
&net_iface_api,
_ETH_L2_LAYER,
_ETH_L2_CTX_TYPE,
127);
static void add_nbr(struct net_if *iface,
struct in6_addr *addr,
struct net_linkaddr *lladdr)
{
struct net_nbr *nbr;
nbr = net_ipv6_nbr_add(iface, addr, lladdr, false,
NET_IPV6_NBR_STATE_REACHABLE);
zassert_not_null(nbr, "Cannot add neighbor");
}
static enum net_verdict udp_data_received(struct net_conn *conn,
struct net_pkt *pkt,
void *user_data)
{
DBG("Data %p received\n", pkt);
net_pkt_unref(pkt);
return NET_OK;
}
static void setup_udp_handler(const struct in6_addr *raddr,
const struct in6_addr *laddr,
u16_t remote_port,
u16_t local_port)
{
static struct net_conn_handle *handle;
struct sockaddr remote_addr = { 0 };
struct sockaddr local_addr = { 0 };
int ret;
net_ipaddr_copy(&net_sin6(&local_addr)->sin6_addr, laddr);
local_addr.sa_family = AF_INET6;
net_ipaddr_copy(&net_sin6(&remote_addr)->sin6_addr, raddr);
remote_addr.sa_family = AF_INET6;
ret = net_udp_register(&remote_addr, &local_addr, remote_port,
local_port, udp_data_received,
NULL, &handle);
zassert_equal(ret, 0, "Cannot register UDP handler");
}
static void test_setup(void)
{
struct net_if_addr *ifaddr;
int idx;
/* The semaphore is there to wait the data to be received. */
k_sem_init(&wait_data, 0, UINT_MAX);
iface1 = net_if_get_by_index(0);
iface2 = net_if_get_by_index(1);
((struct net_if_test *)net_if_get_device(iface1)->driver_data)->idx = 0;
((struct net_if_test *)net_if_get_device(iface2)->driver_data)->idx = 1;
idx = net_if_get_by_iface(iface1);
zassert_equal(idx, 0, "Invalid index iface1");
idx = net_if_get_by_iface(iface2);
zassert_equal(idx, 1, "Invalid index iface2");
zassert_not_null(iface1, "Interface 1");
zassert_not_null(iface2, "Interface 2");
ifaddr = net_if_ipv6_addr_add(iface1, &my_addr1,
NET_ADDR_MANUAL, 0);
if (!ifaddr) {
DBG("Cannot add IPv6 address %s\n",
net_sprint_ipv6_addr(&my_addr1));
zassert_not_null(ifaddr, "addr1");
}
ifaddr = net_if_ipv6_addr_add(iface1, &ll_addr,
NET_ADDR_MANUAL, 0);
if (!ifaddr) {
DBG("Cannot add IPv6 address %s\n",
net_sprint_ipv6_addr(&ll_addr));
zassert_not_null(ifaddr, "ll_addr");
} else {
/* we need to set the adddresses preferred */
ifaddr->addr_state = NET_ADDR_PREFERRED;
}
net_if_up(iface1);
net_if_up(iface2);
add_nbr(iface1, &my_addr2, &ll_addr2);
/* Remote and local are swapped so that we can receive the sent
* packet.
*/
setup_udp_handler(&my_addr1, &my_addr2, 4352, 25348);
/* The interface might receive data which might fail the checks
* in the iface sending function, so we need to reset the failure
* flag.
*/
test_failed = false;
test_started = true;
}
static void test_find_last_ipv6_fragment_udp(void)
{
u16_t next_hdr_idx = 0;
u16_t last_hdr_pos = 0;
struct net_pkt *pkt;
int ret;
pkt = net_pkt_get_reserve_tx(0, ALLOC_TIMEOUT);
zassert_not_null(pkt, "packet");
net_pkt_set_iface(pkt, iface1);
net_pkt_set_family(pkt, AF_INET6);
net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
net_pkt_set_ipv6_ext_len(pkt, sizeof(ipv6_udp) -
sizeof(struct net_ipv6_hdr));
/* Add IPv6 header + UDP */
ret = net_pkt_append_all(pkt, sizeof(ipv6_udp), ipv6_udp,
ALLOC_TIMEOUT);
zassert_true(ret, "IPv6 header append failed");
net_pkt_ll_clear(pkt);
ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_idx, &last_hdr_pos);
zassert_equal(ret, 0, "Cannot find last header");
zassert_equal(next_hdr_idx, 6, "Next header index wrong");
zassert_equal(last_hdr_pos, sizeof(struct net_ipv6_hdr),
"Last header position wrong");
zassert_equal(NET_IPV6_HDR(pkt)->nexthdr, 0x11, "Invalid next header");
zassert_equal(pkt->frags->data[next_hdr_idx], 0x11, "Invalid next "
"header");
net_pkt_unref(pkt);
}
static void test_find_last_ipv6_fragment_hbho_udp(void)
{
u16_t next_hdr_idx = 0;
u16_t last_hdr_pos = 0;
struct net_pkt *pkt;
int ret;
pkt = net_pkt_get_reserve_tx(0, ALLOC_TIMEOUT);
zassert_not_null(pkt, "packet");
net_pkt_set_iface(pkt, iface1);
net_pkt_set_family(pkt, AF_INET6);
net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
net_pkt_set_ipv6_ext_len(pkt, sizeof(ipv6_hbho) -
sizeof(struct net_ipv6_hdr));
/* Add IPv6 header + HBH option */
ret = net_pkt_append_all(pkt, sizeof(ipv6_hbho), ipv6_hbho,
ALLOC_TIMEOUT);
zassert_true(ret, "IPv6 header append failed");
net_pkt_ll_clear(pkt);
ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_idx, &last_hdr_pos);
zassert_equal(ret, 0, "Cannot find last header");
zassert_equal(next_hdr_idx, sizeof(struct net_ipv6_hdr),
"Next header index wrong");
zassert_equal(last_hdr_pos, sizeof(struct net_ipv6_hdr) + 8,
"Last header position wrong");
zassert_equal(NET_IPV6_HDR(pkt)->nexthdr, 0, "Invalid next header");
zassert_equal(pkt->frags->data[next_hdr_idx], 0x11, "Invalid next "
"header");
net_pkt_unref(pkt);
}
static void test_find_last_ipv6_fragment_hbho_1(void)
{
u16_t next_hdr_idx = 0;
u16_t last_hdr_pos = 0;
struct net_pkt *pkt;
struct net_buf *frag;
u8_t next_hdr;
u8_t last_hdr;
int ret;
pkt = net_pkt_get_reserve_tx(0, ALLOC_TIMEOUT);
zassert_not_null(pkt, "packet");
net_pkt_set_iface(pkt, iface1);
net_pkt_set_family(pkt, AF_INET6);
net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
/* Add IPv6 header + HBH option + fragment header */
ret = net_pkt_append_all(pkt, sizeof(ipv6_hbho_1), ipv6_hbho_1,
ALLOC_TIMEOUT);
zassert_true(ret, "IPv6 header append failed");
net_pkt_ll_clear(pkt);
ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_idx, &last_hdr_pos);
zassert_equal(ret, 0, "Cannot find last header");
zassert_equal(next_hdr_idx, 40, "Next header index wrong");
zassert_equal(last_hdr_pos, 112, "Last header position wrong");
frag = net_frag_read_u8(pkt->frags, next_hdr_idx, &next_hdr_idx,
&next_hdr);
zassert_equal(next_hdr, 0x11, "Invalid next header");
frag = net_frag_read_u8(pkt->frags, last_hdr_pos, &last_hdr_pos,
&last_hdr);
zassert_equal(last_hdr, 0x4e, "Invalid next header");
net_pkt_unref(pkt);
}
static void test_find_last_ipv6_fragment_hbho_2(void)
{
u16_t next_hdr_idx = 0;
u16_t last_hdr_pos = 0;
struct net_pkt *pkt;
struct net_buf *frag;
u8_t next_hdr;
u8_t last_hdr;
int ret;
pkt = net_pkt_get_reserve_tx(0, ALLOC_TIMEOUT);
zassert_not_null(pkt, "packet");
net_pkt_set_iface(pkt, iface1);
net_pkt_set_family(pkt, AF_INET6);
net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
/* Add IPv6 header + HBH option + fragment header */
ret = net_pkt_append_all(pkt, sizeof(ipv6_hbho_2), ipv6_hbho_2,
ALLOC_TIMEOUT);
zassert_true(ret, "IPv6 header append failed");
net_pkt_ll_clear(pkt);
ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_idx, &last_hdr_pos);
zassert_equal(ret, 0, "Cannot find last header");
zassert_equal(next_hdr_idx, 40, "Next header index wrong");
zassert_equal(last_hdr_pos, 144, "Last header position wrong");
frag = net_frag_read_u8(pkt->frags, next_hdr_idx, &next_hdr_idx,
&next_hdr);
zassert_equal(next_hdr, 0x11, "Invalid next header");
frag = net_frag_read_u8(pkt->frags, last_hdr_pos, &last_hdr_pos,
&last_hdr);
zassert_equal(last_hdr, 0x4e, "Invalid next header");
net_pkt_unref(pkt);
}
static void test_find_last_ipv6_fragment_hbho_3(void)
{
u16_t next_hdr_idx = 0;
u16_t last_hdr_pos = 0;
struct net_pkt *pkt;
struct net_buf *frag;
u8_t next_hdr;
u8_t last_hdr;
int ret;
pkt = net_pkt_get_reserve_tx(0, ALLOC_TIMEOUT);
zassert_not_null(pkt, "packet");
net_pkt_set_iface(pkt, iface1);
net_pkt_set_family(pkt, AF_INET6);
net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
/* Add IPv6 header + HBH option + fragment header */
ret = net_pkt_append_all(pkt, sizeof(ipv6_hbho_3), ipv6_hbho_3,
ALLOC_TIMEOUT);
zassert_true(ret, "IPv6 header append failed");
net_pkt_ll_clear(pkt);
ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_idx, &last_hdr_pos);
zassert_equal(ret, 0, "Cannot find last header");
zassert_equal(next_hdr_idx, 40, "Next header index wrong");
zassert_equal(last_hdr_pos, 960, "Last header position wrong");
frag = net_frag_read_u8(pkt->frags, next_hdr_idx, &next_hdr_idx,
&next_hdr);
zassert_equal(next_hdr, 0x11, "Invalid next header");
frag = net_frag_read_u8(pkt->frags, last_hdr_pos, &last_hdr_pos,
&last_hdr);
zassert_equal(last_hdr, 0x4e, "Invalid next header");
net_pkt_unref(pkt);
}
static void test_find_last_ipv6_fragment_hbho_frag(void)
{
u16_t next_hdr_idx = 0;
u16_t last_hdr_pos = 0;
struct net_pkt *pkt;
int ret;
pkt = net_pkt_get_reserve_tx(0, ALLOC_TIMEOUT);
zassert_not_null(pkt, "packet");
net_pkt_set_iface(pkt, iface1);
net_pkt_set_family(pkt, AF_INET6);
net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
/* Add IPv6 header + HBH option + fragment header */
ret = net_pkt_append_all(pkt, sizeof(ipv6_hbho_frag), ipv6_hbho_frag,
ALLOC_TIMEOUT);
zassert_true(ret, "IPv6 header append failed");
net_pkt_ll_clear(pkt);
ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_idx, &last_hdr_pos);
zassert_equal(ret, 0, "Cannot find last header");
zassert_equal(next_hdr_idx, sizeof(struct net_ipv6_hdr) + 8,
"Next header index wrong");
zassert_equal(last_hdr_pos, sizeof(struct net_ipv6_hdr) + 8 + 8,
"Last header position wrong");
zassert_equal(NET_IPV6_HDR(pkt)->nexthdr, 0, "Invalid next header");
zassert_equal(pkt->frags->data[next_hdr_idx], 0x11,
"Invalid next header");
net_pkt_unref(pkt);
}
static void test_find_last_ipv6_fragment_hbho_frag_1(void)
{
u16_t next_hdr_idx = 0;
u16_t last_hdr_pos = 0;
struct net_pkt *pkt;
struct net_buf *frag;
u8_t next_hdr;
u8_t last_hdr;
int ret;
pkt = net_pkt_get_reserve_tx(0, ALLOC_TIMEOUT);
zassert_not_null(pkt, "packet");
net_pkt_set_iface(pkt, iface1);
net_pkt_set_family(pkt, AF_INET6);
net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
/* Add IPv6 header + HBH option + fragment header */
ret = net_pkt_append_all(pkt, sizeof(ipv6_hbho_frag_1),
ipv6_hbho_frag_1, ALLOC_TIMEOUT);
zassert_true(ret, "IPv6 header append failed");
net_pkt_ll_clear(pkt);
ret = net_ipv6_find_last_ext_hdr(pkt, &next_hdr_idx, &last_hdr_pos);
zassert_equal(ret, 0, "Cannot find last header");
zassert_equal(next_hdr_idx, 1072, "Next header index wrong");
zassert_equal(last_hdr_pos, 1080, "Last header position wrong");
frag = net_frag_read_u8(pkt->frags, next_hdr_idx, &next_hdr_idx,
&next_hdr);
zassert_equal(next_hdr, 0x3a, "Invalid next header");
frag = net_frag_read_u8(pkt->frags, last_hdr_pos, &last_hdr_pos,
&last_hdr);
zassert_equal(last_hdr, 0x80, "Invalid next header");
net_pkt_unref(pkt);
}
static void test_send_ipv6_fragment(void)
{
#define MAX_LEN 1600
static char data[] = "123456789.";
int data_len = sizeof(data) - 1;
int count = MAX_LEN / data_len;
struct net_pkt *pkt;
size_t total_len;
int i, ret;
large_hbho = false;
pkt_data_len = 0;
pkt = net_pkt_get_reserve_tx(0, ALLOC_TIMEOUT);
zassert_not_null(pkt, "packet");
net_pkt_set_iface(pkt, iface1);
net_pkt_set_family(pkt, AF_INET6);
net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
net_pkt_set_ipv6_ext_len(pkt, 8); /* hbho */
/* Add IPv6 header + HBH option */
ret = net_pkt_append_all(pkt, sizeof(ipv6_hbho), ipv6_hbho,
ALLOC_TIMEOUT);
zassert_true(ret, "IPv6 header append failed");
net_pkt_ll_clear(pkt);
/* Then add some data that is over 1280 bytes long */
for (i = 0; i < count; i++) {
bool written = net_pkt_append_all(pkt, data_len, (u8_t *)data,
ALLOC_TIMEOUT);
zassert_true(written, "Cannot append data");
pkt_data_len += data_len;
}
zassert_equal(pkt_data_len, count * data_len, "Data size mismatch");
total_len = net_pkt_get_len(pkt) - sizeof(struct net_ipv6_hdr);
DBG("Sending %zd bytes of which ext %d and data %d bytes\n",
total_len, net_pkt_ipv6_ext_len(pkt), pkt_data_len);
zassert_equal(total_len - net_pkt_ipv6_ext_len(pkt) - 8, pkt_data_len,
"Packet size invalid");
NET_IPV6_HDR(pkt)->len = htons(total_len);
net_udp_set_chksum(pkt, pkt->frags);
test_failed = false;
ret = net_send_data(pkt);
if (ret < 0) {
DBG("Cannot send test packet (%d)\n", ret);
zassert_equal(ret, 0, "Cannot send");
}
if (k_sem_take(&wait_data, WAIT_TIME)) {
DBG("Timeout while waiting interface data\n");
zassert_equal(ret, 0, "Timeout");
}
}
static void test_send_ipv6_fragment_large_hbho(void)
{
struct net_pkt *pkt;
size_t total_len;
int ret;
frag_count = 0;
large_hbho = true;
pkt_data_len = 416;
pkt = net_pkt_get_reserve_tx(0, ALLOC_TIMEOUT);
zassert_not_null(pkt, "packet");
net_pkt_set_iface(pkt, iface1);
net_pkt_set_family(pkt, AF_INET6);
net_pkt_set_ip_hdr_len(pkt, sizeof(struct net_ipv6_hdr));
net_pkt_set_ipv6_ext_len(pkt, 1032); /* hbho */
ret = net_pkt_append_all(pkt, sizeof(ipv6_large_hbho),
ipv6_large_hbho, ALLOC_TIMEOUT);
zassert_true(ret, "IPv6 header append failed");
net_pkt_ll_clear(pkt);
total_len = net_pkt_get_len(pkt) - sizeof(struct net_ipv6_hdr);
DBG("Sending %zd bytes of which ext %d and data %d bytes\n",
total_len, net_pkt_ipv6_ext_len(pkt), pkt_data_len);
test_failed = false;
ret = net_send_data(pkt);
if (ret < 0) {
DBG("Cannot send test packet (%d)\n", ret);
zassert_equal(ret, 0, "Cannot send");
}
if (k_sem_take(&wait_data, WAIT_TIME)) {
DBG("Timeout while waiting interface data\n");
zassert_equal(ret, 0, "Timeout");
}
}
static void test_recv_ipv6_fragment(void)
{
/* TODO: Verify that we can receive individual fragments and
* then reassemble them back.
*/
}
void test_main(void)
{
ztest_test_suite(net_ipv6_fragment_test,
ztest_unit_test(test_setup),
ztest_unit_test(test_find_last_ipv6_fragment_udp),
ztest_unit_test(test_find_last_ipv6_fragment_hbho_udp),
ztest_unit_test(test_find_last_ipv6_fragment_hbho_1),
ztest_unit_test(test_find_last_ipv6_fragment_hbho_2),
ztest_unit_test(test_find_last_ipv6_fragment_hbho_3),
ztest_unit_test(
test_find_last_ipv6_fragment_hbho_frag),
ztest_unit_test(
test_find_last_ipv6_fragment_hbho_frag_1),
ztest_unit_test(test_send_ipv6_fragment),
ztest_unit_test(test_send_ipv6_fragment_large_hbho),
ztest_unit_test(test_recv_ipv6_fragment)
);
ztest_run_test_suite(net_ipv6_fragment_test);
}
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