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RIOT/tests/gnrc_ipv6_ext/main.c
Martine Lenders 655aa0404c tests: rework IPv6 extension header tests for changes
2016-04-22 10:11:45 +02:00

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/*
* Copyright (C) 2015 Freie Universität Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup tests
* @{
*
* @file
* @brief Tests extension header handling of gnrc stack.
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
* @author Takuo Yonezawa <Yonezawa-T2@mail.dnp.co.jp>
*
* @}
*/
#include <stdio.h>
#include "shell.h"
#include "msg.h"
#include "net/ipv6/addr.h"
#include "net/gnrc/ipv6/netif.h"
#include "net/gnrc/pkt.h"
#include "net/gnrc/pktbuf.h"
#include "net/gnrc/netreg.h"
#include "net/gnrc/netapi.h"
#include "net/gnrc/netif.h"
#include "net/gnrc/netif/hdr.h"
static void _init_interface(void)
{
kernel_pid_t ifs[GNRC_NETIF_NUMOF];
ipv6_addr_t addr = IPV6_ADDR_UNSPECIFIED;
gnrc_netif_get(ifs);
addr.u8[0] = 0xfd;
addr.u8[1] = 0x01;
addr.u8[15] = 0x02;
/* fd01::02 */
gnrc_ipv6_netif_add_addr(ifs[0], &addr, 64, GNRC_IPV6_NETIF_ADDR_FLAGS_UNICAST);
addr.u8[15] = 0x03;
/* fd01::03 */
gnrc_ipv6_netif_add_addr(ifs[0], &addr, 64, GNRC_IPV6_NETIF_ADDR_FLAGS_UNICAST);
}
static void _send_packet_raw(void)
{
kernel_pid_t ifs[GNRC_NETIF_NUMOF];
gnrc_netif_get(ifs);
gnrc_netif_hdr_t netif_hdr;
gnrc_netif_hdr_init(&netif_hdr, 8, 8);
netif_hdr.if_pid = ifs[0];
uint8_t data[] = {
/* IPv6 Header */
0x60, 0x00, 0x00, 0x00, /* version, traffic class, flow label */
0x00, 0x2a, /* payload length: 42 */
0x00, /* next header: Hop-by-Hop Option */
0x10, /* hop limit: 16 */
/* source address: fd01::1 */
0xfd, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01,
/* destination address: fd01::2 */
0xfd, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x02,
/* Hop-by-Hop Options Header */
/* https://tools.ietf.org/html/rfc6553 */
0x2b, /* next header: IPv6-Route */
0x00, /* hdr ext len: 0 * 8 + 8 = 8 */
0x63, /* option type: RPL Option */
0x04, /* opt data len: 4 */
0x80, /* flags, Down: 1, Rank-Error: 0, Forwarding-Error: 0 */
0x00, /* RPLInstanceID */
0x80, 0x00, /* SenderRank */
/* RPL Routing Header */
/* https://tools.ietf.org/html/rfc6554 */
0x11, /* next header: UDP */
0x02, /* hdr ext len: 2 * 8 + 8 = 24 */
0x03, /* routing type: SRH */
0x02, /* segments left: 2 */
0xef, /* ComprI: 14, ComprE: 15 */
0xd0, 0x00, 0x00, /* pad and reserved */
/* address: fd01::3, fd01::2 */
0x00, 0x03, 0x02, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
/* UDP (ignored) */
0x1f, 0x90, /* source port: 8080 */
0x1f, 0x90, /* destination port: 8080 */
0x00, 0x0a, /* length: 10 */
0xff, 0xff, /* checksum */
0x00, 0x00, /* payload */
};
gnrc_pktsnip_t *netif = gnrc_pktbuf_add(NULL,
&netif_hdr,
sizeof(netif_hdr),
GNRC_NETTYPE_NETIF);
gnrc_pktsnip_t *pkt = gnrc_pktbuf_add(netif,
data,
sizeof(data),
GNRC_NETTYPE_UNDEF);
gnrc_netapi_dispatch_receive(GNRC_NETTYPE_IPV6, GNRC_NETREG_DEMUX_CTX_ALL, pkt);
printf("pkt->users: %d\n", pkt->users);
assert(pkt->users == 0);
}
static void _send_packet_parsed(void)
{
kernel_pid_t ifs[GNRC_NETIF_NUMOF];
gnrc_netif_get(ifs);
gnrc_netif_hdr_t netif_hdr;
gnrc_netif_hdr_init(&netif_hdr, 8, 8);
netif_hdr.if_pid = ifs[0];
uint8_t ipv6_data[] = {
/* IPv6 Header */
0x60, 0x00, 0x00, 0x00, /* version, traffic class, flow label */
0x00, 0x2a, /* payload length: 42 */
0x00, /* next header: Hop-by-Hop Option */
0x10, /* hop limit: 16 */
/* source address: fd01::1 */
0xfd, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01,
/* destination address: fd01::2 */
0xfd, 0x01, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x02,
};
uint8_t hop_by_hop_options_data[] = {
/* Hop-by-Hop Options Header */
/* https://tools.ietf.org/html/rfc6553 */
0x2b, /* next header: IPv6-Route */
0x00, /* hdr ext len: 0 * 8 + 8 = 8 */
0x63, /* option type: RPL Option */
0x04, /* opt data len: 4 */
0x80, /* flags, Down: 1, Rank-Error: 0, Forwarding-Error: 0 */
0x00, /* RPLInstanceID */
0x80, 0x00, /* SenderRank */
};
uint8_t rpl_routing_data[] = {
/* RPL Routing Header */
/* https://tools.ietf.org/html/rfc6554 */
0x11, /* next header: UDP */
0x02, /* hdr ext len: 2 * 8 + 8 = 24 */
0x03, /* routing type: SRH */
0x02, /* segments left: 2 */
0xef, /* ComprI: 14, ComprE: 15 */
0xd0, 0x00, 0x00, /* pad and reserved */
/* address: fd01::3, fd01::2 */
0x00, 0x03, 0x02, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
};
uint8_t udp_data[] = {
/* UDP (ignored) */
0x1f, 0x90, /* source port: 8080 */
0x1f, 0x90, /* destination port: 8080 */
0x00, 0x0a, /* length: 10 */
0xff, 0xff, /* checksum */
};
uint8_t udp_payload[] = {
0x00, 0x00,
};
gnrc_pktsnip_t *netif =
gnrc_pktbuf_add(NULL,
&netif_hdr,
sizeof(netif_hdr),
GNRC_NETTYPE_NETIF);
gnrc_pktsnip_t *ipv6 =
gnrc_pktbuf_add(netif,
&ipv6_data,
sizeof(ipv6_data),
GNRC_NETTYPE_IPV6);
gnrc_pktsnip_t *hop_by_hop_options =
gnrc_pktbuf_add(ipv6,
&hop_by_hop_options_data,
sizeof(hop_by_hop_options_data),
GNRC_NETTYPE_IPV6_EXT);
gnrc_pktsnip_t *rpl_routing =
gnrc_pktbuf_add(hop_by_hop_options,
&rpl_routing_data,
sizeof(rpl_routing_data),
GNRC_NETTYPE_IPV6_EXT);
gnrc_pktsnip_t *udp =
gnrc_pktbuf_add(rpl_routing,
udp_data,
sizeof(udp_data),
GNRC_NETTYPE_UDP);
gnrc_pktsnip_t *pkt =
gnrc_pktbuf_add(udp,
&udp_payload,
sizeof(udp_payload),
GNRC_NETTYPE_UNDEF);
gnrc_netapi_dispatch_receive(GNRC_NETTYPE_IPV6, GNRC_NETREG_DEMUX_CTX_ALL, pkt);
printf("pkt->users: %d\n", pkt->users);
assert(pkt->users == 0);
}
int main(void)
{
puts("RIOT network stack example application");
_init_interface();
_send_packet_raw();
_send_packet_parsed();
/* should be never reached */
return 0;
}
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