RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
Code Releases Activity

tests: adapt gnrc_ipv6_nib test for router discovery

Browse Source
This commit is contained in:
Martine Lenders 2017-08-21 16:51:55 +02:00
parent 6b320fe40e
commit 982eee17dd
No known key found for this signature in database
GPG Key ID: 8E97A9FE55F25D62
2 changed files with 571 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

573
tests/gnrc_ipv6_nib/main.c
View File

@ -29,16 +29,28 @@
#include "net/gnrc.h"
#include "net/gnrc/ipv6/nib.h"
#include "net/gnrc/ipv6/nib/nc.h"
#include "net/gnrc/netif2/internal.h"
#include "net/ndp.h"
#include "sched.h"
#define _BUFFER_SIZE (128)
#define _CUR_HL (155)
#define _RTR_LTIME (6612U)
#define _REACH_TIME (1210388825UL)
#define _RETRANS_TIMER (3691140UL)
#define _LOC_GB_PFX_LEN (45U)
#define _REM_GB_PFX_LEN (37U)
#define _PIO_PFX_LTIME (0x8476fedf)
static const uint8_t _loc_l2[] = { _LL0, _LL1, _LL2, _LL3, _LL4, _LL5 };
static const ipv6_addr_t _loc_ll = { {
0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
_LL0 ^ 2, _LL1, _LL2, 0xff, 0xfe, _LL3, _LL4, _LL5
} };
static const ipv6_addr_t _loc_gb = { {
0x20, 0x01, 0x2b, 0x2e, 0x43, 0x80, 0x00, 0x00,
_LL0 ^ 2, _LL1, _LL2, 0xff, 0xfe, _LL3, _LL4, _LL5
} };
static const ipv6_addr_t _loc_sol_nodes = { {
0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x01, 0xff, _LL3, _LL4, _LL5
@ -49,6 +61,10 @@ static const ipv6_addr_t _rem_ll = { {
0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
_LL0 ^ 2, _LL1, _LL2, 0xff, 0xfe, _LL3, _LL4, _LL5 + 1
} };
static const ipv6_addr_t _rem_gb = { {
0x20, 0x01, 0x18, 0xc9, 0xf8, 0x00, 0x00, 0x00,
_LL0 ^ 2, _LL1, _LL2, 0xff, 0xfe, _LL3, _LL4, _LL5 + 1
} };
#define _rem_iid _rem_ll.u64[1].u8
static uint8_t _buffer[_BUFFER_SIZE];
static ipv6_hdr_t *ipv6 = (ipv6_hdr_t *)&_buffer[0];
@ -59,6 +75,12 @@ static inline size_t ceil8(size_t size);
static void _set_up(void)
{
_common_set_up();
gnrc_netif2_acquire(_mock_netif);
/* reset some fields not set by the nib interface initializer */
_mock_netif->ipv6.mtu = ETHERNET_DATA_LEN;
_mock_netif->cur_hl = GNRC_NETIF2_DEFAULT_HL;
gnrc_netif2_ipv6_addr_remove(_mock_netif, &_loc_gb);
gnrc_netif2_release(_mock_netif);
memset(_buffer, 0, sizeof(_buffer));
gnrc_pktbuf_init();
/* remove messages */
@ -68,24 +90,42 @@ static void _set_up(void)
}
}
static void test_get_next_hop_l2addr__link_local_EHOSTUNREACH(gnrc_netif2_t *netif)
static void test_get_next_hop_l2addr__EHOSTUNREACH(const ipv6_addr_t *dst,
gnrc_netif2_t *netif,
bool on_link)
{
ipv6_addr_t addr;
msg_t msg;
gnrc_ipv6_nib_nc_t nce;
void *state = NULL;
gnrc_pktsnip_t *pkt;
memcpy(&addr, &_rem_gb, sizeof(addr));
addr.u8[15]--;
if (ipv6_addr_is_link_local(dst)) {
on_link = true;
}
else if (on_link) {
/* add _rem_gb prefix as on-link prefix */
TEST_ASSERT(gnrc_netif2_ipv6_addr_add(_mock_netif, &addr,
_REM_GB_PFX_LEN,
GNRC_NETIF2_IPV6_ADDRS_FLAGS_STATE_VALID) >= 0);
}
else {
TEST_ASSERT_EQUAL_INT(0, gnrc_ipv6_nib_ft_add(NULL, 0, &_rem_ll,
_mock_netif->pid));
}
TEST_ASSERT_EQUAL_INT(-EHOSTUNREACH,
gnrc_ipv6_nib_get_next_hop_l2addr(&_rem_ll, netif,
gnrc_ipv6_nib_get_next_hop_l2addr(dst, netif,
NULL, &nce));
if (netif != NULL) {
if (on_link && (netif != NULL)) {
ndp_nbr_sol_t *nbr_sol;
bool contains_sl2ao = false;
TEST_ASSERT_MESSAGE(gnrc_ipv6_nib_nc_iter(0, &state, &nce),
"Expected neighbor cache entry");
TEST_ASSERT_MESSAGE(ipv6_addr_equal(&_rem_ll, &nce.ipv6),
"_rem_ll != nce->ipv6");
TEST_ASSERT_MESSAGE(ipv6_addr_equal(dst, &nce.ipv6),
"dst != nce->ipv6");
TEST_ASSERT_EQUAL_INT(0, nce.l2addr_len);
TEST_ASSERT_EQUAL_INT(GNRC_IPV6_NIB_NC_INFO_NUD_STATE_INCOMPLETE,
gnrc_ipv6_nib_nc_get_nud_state(&nce));
@ -118,16 +158,46 @@ static void test_get_next_hop_l2addr__link_local_EHOSTUNREACH(gnrc_netif2_t *net
gnrc_pktbuf_release(pkt);
TEST_ASSERT(gnrc_pktbuf_is_empty());
}
gnrc_netif2_ipv6_addr_remove(_mock_netif, &addr);
}
static void test_get_next_hop_l2addr__link_local_EHOSTUNREACH_no_iface(void)
{
test_get_next_hop_l2addr__link_local_EHOSTUNREACH(NULL);
test_get_next_hop_l2addr__EHOSTUNREACH(&_rem_ll, NULL, false);
}
static void test_get_next_hop_l2addr__link_local_EHOSTUNREACH_iface(void)
{
test_get_next_hop_l2addr__link_local_EHOSTUNREACH(_mock_netif);
test_get_next_hop_l2addr__EHOSTUNREACH(&_rem_ll, _mock_netif, false);
}
static void test_get_next_hop_l2addr__global_EHOSTUNREACH_no_iface_off_link(void)
{
test_get_next_hop_l2addr__EHOSTUNREACH(&_rem_gb, NULL, false);
}
static void test_get_next_hop_l2addr__global_EHOSTUNREACH_iface_off_link(void)
{
test_get_next_hop_l2addr__EHOSTUNREACH(&_rem_gb, _mock_netif, false);
}
static void test_get_next_hop_l2addr__global_EHOSTUNREACH_no_iface_on_link(void)
{
test_get_next_hop_l2addr__EHOSTUNREACH(&_rem_gb, NULL, true);
}
static void test_get_next_hop_l2addr__global_EHOSTUNREACH_iface_on_link(void)
{
test_get_next_hop_l2addr__EHOSTUNREACH(&_rem_gb, _mock_netif, true);
}
static void test_get_next_hop_l2addr__ENETUNREACH(void)
{
gnrc_ipv6_nib_nc_t nce;
TEST_ASSERT_EQUAL_INT(-ENETUNREACH,
gnrc_ipv6_nib_get_next_hop_l2addr(&_rem_gb, NULL,
NULL, &nce));
}
static void test_get_next_hop_l2addr__link_local_static_conf(void)
@ -682,6 +752,470 @@ static void test_handle_pkt__nbr_adv__unsolicited(void)
TEST_ASSERT_EQUAL_INT(0, msg_avail());
}
static size_t _set_rtr_sol(const ipv6_addr_t *ipv6_src,
const ipv6_addr_t *ipv6_dst,
uint8_t ipv6_hl, uint8_t rtr_sol_code,
const uint8_t *sl2ao_addr, size_t sl2ao_addr_len)
{
size_t icmpv6_len = sizeof(ndp_rtr_sol_t);
ndp_rtr_sol_t *rtr_sol = (ndp_rtr_sol_t *)icmpv6;
ipv6_hdr_set_version(ipv6);
ipv6->hl = ipv6_hl;
memcpy(&ipv6->src, ipv6_src, sizeof(ipv6->src));
memcpy(&ipv6->dst, ipv6_dst, sizeof(ipv6->dst));
rtr_sol->type = ICMPV6_RTR_SOL;
rtr_sol->code = rtr_sol_code;
if ((sl2ao_addr != NULL) && (sl2ao_addr_len > 0)) {
ndp_opt_t *sl2ao = (ndp_opt_t *)&_buffer[sizeof(ipv6_hdr_t) +
sizeof(ndp_rtr_sol_t)];
sl2ao->type = NDP_OPT_SL2A;
sl2ao->len = ceil8(sizeof(ndp_opt_t) + sl2ao_addr_len) / 8;
memcpy(sl2ao + 1, sl2ao_addr, sl2ao_addr_len);
icmpv6_len += ceil8(sizeof(ndp_opt_t) + sl2ao_addr_len);
}
return icmpv6_len;
}
static void test_handle_pkt__rtr_sol(void)
{
gnrc_ipv6_nib_nc_t nce;
void *state = NULL;
size_t icmpv6_len = _set_rtr_sol(&_rem_ll, &_loc_ll,
255U, 0U, _rem_l2, sizeof(_rem_l2));
gnrc_ipv6_nib_handle_pkt(_mock_netif, ipv6, icmpv6, icmpv6_len);
TEST_ASSERT_MESSAGE(!gnrc_ipv6_nib_nc_iter(0, &state, &nce),
"There is an unexpected neighbor cache entry");
TEST_ASSERT_EQUAL_INT(0, msg_avail());
}
static size_t _set_rtr_adv(const ipv6_addr_t *ipv6_src,
uint8_t ipv6_hl, uint8_t rtr_adv_code,
bool set_rtr_adv_fields,
uint8_t rtr_adv_flags,
const uint8_t *sl2ao_addr, size_t sl2ao_addr_len,
uint16_t mtu,
const ipv6_addr_t *pfx, unsigned pfx_len,
uint8_t pfx_flags)
{
size_t icmpv6_len = sizeof(ndp_rtr_adv_t);
ndp_rtr_adv_t *rtr_adv = (ndp_rtr_adv_t *)icmpv6;
ipv6_hdr_set_version(ipv6);
ipv6->hl = ipv6_hl;
memcpy(&ipv6->src, ipv6_src, sizeof(ipv6->src));
memcpy(&ipv6->dst, &_loc_ll, sizeof(ipv6->dst));
rtr_adv->type = ICMPV6_RTR_ADV;
rtr_adv->code = rtr_adv_code;
rtr_adv->flags = rtr_adv_flags;
if (set_rtr_adv_fields) {
rtr_adv->cur_hl = _CUR_HL,
rtr_adv->ltime = byteorder_htons(_RTR_LTIME);
rtr_adv->reach_time = byteorder_htonl(_REACH_TIME);
rtr_adv->retrans_timer = byteorder_htonl(_RETRANS_TIMER);
}
if (mtu > 0) {
ndp_opt_mtu_t *mtuo = (ndp_opt_mtu_t *)&_buffer[sizeof(ipv6_hdr_t) +
icmpv6_len];
mtuo->type = NDP_OPT_MTU;
mtuo->len = NDP_OPT_MTU_LEN;
mtuo->mtu = byteorder_htonl(mtu);
icmpv6_len += sizeof(ndp_opt_mtu_t);
}
if ((pfx != NULL) && (pfx_len > 0)) {
ndp_opt_pi_t *pio = (ndp_opt_pi_t *)&_buffer[sizeof(ipv6_hdr_t) +
icmpv6_len];
pio->type = NDP_OPT_PI;
pio->len = NDP_OPT_PI_LEN;
pio->prefix_len = pfx_len;
pio->flags = pfx_flags;
pio->valid_ltime = byteorder_htonl(_PIO_PFX_LTIME);
pio->pref_ltime = byteorder_htonl(_PIO_PFX_LTIME);
ipv6_addr_init_prefix(&pio->prefix, pfx, pfx_len);
icmpv6_len += sizeof(ndp_opt_pi_t);
}
if ((sl2ao_addr != NULL) && (sl2ao_addr_len > 0)) {
ndp_opt_t *sl2ao = (ndp_opt_t *)&_buffer[sizeof(ipv6_hdr_t) +
icmpv6_len];
sl2ao->type = NDP_OPT_SL2A;
sl2ao->len = ceil8(sizeof(ndp_opt_t) + sl2ao_addr_len) / 8;
memcpy(sl2ao + 1, sl2ao_addr, sl2ao_addr_len);
icmpv6_len += ceil8(sizeof(ndp_opt_t) + sl2ao_addr_len);
}
return icmpv6_len;
}
typedef struct {
uint32_t reach_time_base;
uint32_t reach_time;
uint32_t retrans_timer;
uint16_t mtu;
uint8_t addr_count;
uint8_t cur_hl;
} _netif_exp_t;
static uint8_t _netif_addr_count(const gnrc_netif2_t *netif)
{
unsigned count = 0U;
for (int i = 0; i < GNRC_NETIF2_IPV6_ADDRS_NUMOF; i++) {
if (netif->ipv6.addrs_flags[i] != 0) {
count++;
}
}
return count;
}
static inline void _get_netif_exp(const gnrc_netif2_t *netif,
_netif_exp_t *exp)
{
exp->reach_time_base = netif->ipv6.reach_time_base;
exp->reach_time = netif->ipv6.reach_time;
exp->retrans_timer = netif->ipv6.retrans_time;
exp->mtu = netif->ipv6.mtu;
exp->addr_count = _netif_addr_count(netif);
exp->cur_hl = netif->cur_hl;
}
#define TEST_ASSERT_NETIF_UNCHANGED(netif, exp) \
TEST_ASSERT_EQUAL_INT(exp.reach_time_base, \
netif->ipv6.reach_time_base); \
TEST_ASSERT_EQUAL_INT(exp.reach_time, netif->ipv6.reach_time); \
TEST_ASSERT_EQUAL_INT(exp.retrans_timer, netif->ipv6.retrans_time); \
TEST_ASSERT_EQUAL_INT(exp.mtu, netif->ipv6.mtu); \
TEST_ASSERT_EQUAL_INT(exp.addr_count, _netif_addr_count(netif)); \
TEST_ASSERT_EQUAL_INT(exp.cur_hl, netif->cur_hl)
static void test_handle_pkt__rtr_adv__invalid_src(void)
{
gnrc_ipv6_nib_nc_t nce;
gnrc_ipv6_nib_ft_t route;
void *state = NULL;
size_t icmpv6_len = _set_rtr_adv(&_rem_gb,
255U, 0U, true, 0U,
_loc_l2, sizeof(_loc_l2),
32397U, &_loc_gb, _LOC_GB_PFX_LEN,
NDP_OPT_PI_FLAGS_L | NDP_OPT_PI_FLAGS_A);
_netif_exp_t exp_netif;
_get_netif_exp(_mock_netif, &exp_netif);
gnrc_ipv6_nib_handle_pkt(_mock_netif, ipv6, icmpv6, icmpv6_len);
TEST_ASSERT_MESSAGE(!gnrc_ipv6_nib_nc_iter(0, &state, &nce),
"There is an unexpected neighbor cache entry");
state = NULL;
TEST_ASSERT_MESSAGE(!gnrc_ipv6_nib_ft_iter(NULL, 0, &state, &route),
"There is an unexpected forwarding entry");
TEST_ASSERT_NETIF_UNCHANGED(_mock_netif, exp_netif);
TEST_ASSERT_EQUAL_INT(0, msg_avail());
}
static void test_handle_pkt__rtr_adv__invalid_hl(void)
{
gnrc_ipv6_nib_nc_t nce;
gnrc_ipv6_nib_ft_t route;
void *state = NULL;
size_t icmpv6_len = _set_rtr_adv(&_rem_ll,
194U, 0U, true, 0U,
_loc_l2, sizeof(_loc_l2),
32397U, &_loc_gb, _LOC_GB_PFX_LEN,
NDP_OPT_PI_FLAGS_L | NDP_OPT_PI_FLAGS_A);
_netif_exp_t exp_netif;
_get_netif_exp(_mock_netif, &exp_netif);
gnrc_ipv6_nib_handle_pkt(_mock_netif, ipv6, icmpv6, icmpv6_len);
TEST_ASSERT_MESSAGE(!gnrc_ipv6_nib_nc_iter(0, &state, &nce),
"There is an unexpected neighbor cache entry");
state = NULL;
TEST_ASSERT_MESSAGE(!gnrc_ipv6_nib_ft_iter(NULL, 0, &state, &route),
"There is an unexpected forwarding entry");
TEST_ASSERT_NETIF_UNCHANGED(_mock_netif, exp_netif);
TEST_ASSERT_EQUAL_INT(0, msg_avail());
}
static void test_handle_pkt__rtr_adv__invalid_code(void)
{
gnrc_ipv6_nib_nc_t nce;
gnrc_ipv6_nib_ft_t route;
void *state = NULL;
size_t icmpv6_len = _set_rtr_adv(&_rem_ll,
255U, 201U, true, 0U,
_loc_l2, sizeof(_loc_l2),
32397U, &_loc_gb, _LOC_GB_PFX_LEN,
NDP_OPT_PI_FLAGS_L | NDP_OPT_PI_FLAGS_A);
_netif_exp_t exp_netif;
_get_netif_exp(_mock_netif, &exp_netif);
gnrc_ipv6_nib_handle_pkt(_mock_netif, ipv6, icmpv6, icmpv6_len);
TEST_ASSERT_MESSAGE(!gnrc_ipv6_nib_nc_iter(0, &state, &nce),
"There is an unexpected neighbor cache entry");
state = NULL;
TEST_ASSERT_MESSAGE(!gnrc_ipv6_nib_ft_iter(NULL, 0, &state, &route),
"There is an unexpected forwarding entry");
TEST_ASSERT_NETIF_UNCHANGED(_mock_netif, exp_netif);
TEST_ASSERT_EQUAL_INT(0, msg_avail());
}
static void test_handle_pkt__rtr_adv__invalid_icmpv6_len(void)
{
gnrc_ipv6_nib_nc_t nce;
gnrc_ipv6_nib_ft_t route;
void *state = NULL;
_netif_exp_t exp_netif;
_get_netif_exp(_mock_netif, &exp_netif);
_set_rtr_adv(&_rem_ll, 255U, 201U, true, 0U, _loc_l2, sizeof(_loc_l2),
32397U, &_loc_gb, _LOC_GB_PFX_LEN,
NDP_OPT_PI_FLAGS_L | NDP_OPT_PI_FLAGS_A);
gnrc_ipv6_nib_handle_pkt(_mock_netif, ipv6, icmpv6,
sizeof(ndp_rtr_adv_t) - 1);
TEST_ASSERT_MESSAGE(!gnrc_ipv6_nib_nc_iter(0, &state, &nce),
"There is an unexpected neighbor cache entry");
state = NULL;
TEST_ASSERT_MESSAGE(!gnrc_ipv6_nib_ft_iter(NULL, 0, &state, &route),
"There is an unexpected forwarding entry");
TEST_ASSERT_NETIF_UNCHANGED(_mock_netif, exp_netif);
TEST_ASSERT_EQUAL_INT(0, msg_avail());
}
static void test_handle_pkt__rtr_adv__invalid_opt_len(void)
{
gnrc_ipv6_nib_nc_t nce;
gnrc_ipv6_nib_ft_t route;
void *state = NULL;
size_t icmpv6_len = _set_rtr_adv(&_rem_ll,
255U, 201U, true, 0U,
_loc_l2, sizeof(_loc_l2),
32397U, &_loc_gb, _LOC_GB_PFX_LEN,
NDP_OPT_PI_FLAGS_L | NDP_OPT_PI_FLAGS_A);
ndp_opt_t *opt = (ndp_opt_t *)&_buffer[icmpv6_len];
_netif_exp_t exp_netif;
_get_netif_exp(_mock_netif, &exp_netif);
opt->type = NDP_OPT_SL2A;
opt->len = 0U;
icmpv6_len += sizeof(ndp_opt_t);
gnrc_ipv6_nib_handle_pkt(_mock_netif, ipv6, icmpv6, icmpv6_len);
TEST_ASSERT_MESSAGE(!gnrc_ipv6_nib_nc_iter(0, &state, &nce),
"There is an unexpected neighbor cache entry");
state = NULL;
TEST_ASSERT_MESSAGE(!gnrc_ipv6_nib_ft_iter(NULL, 0, &state, &route),
"There is an unexpected forwarding entry");
TEST_ASSERT_NETIF_UNCHANGED(_mock_netif, exp_netif);
TEST_ASSERT_EQUAL_INT(0, msg_avail());
}
static void test_handle_pkt__rtr_adv__success(uint8_t rtr_adv_flags,
bool set_rtr_adv_fields,
bool sl2ao, bool mtuo,
bool pio, uint8_t pio_flags)
{
gnrc_ipv6_nib_pl_t prefix;
gnrc_ipv6_nib_nc_t nce;
gnrc_ipv6_nib_ft_t route;
void *state = NULL;
size_t icmpv6_len = _set_rtr_adv(&_rem_ll, 255U, 0U,
set_rtr_adv_fields, rtr_adv_flags,
(sl2ao) ? _rem_l2 : NULL, sizeof(_rem_l2),
(mtuo) ? 32397U : 0U,
(pio) ? &_loc_gb : NULL, _LOC_GB_PFX_LEN,
pio_flags);
const unsigned exp_addr_count = _netif_addr_count(_mock_netif);
_netif_exp_t exp_netif;
_get_netif_exp(_mock_netif, &exp_netif);
TEST_ASSERT(gnrc_netif2_ipv6_addr_idx(_mock_netif, &_loc_gb) < 0);
gnrc_ipv6_nib_handle_pkt(_mock_netif, ipv6, icmpv6, icmpv6_len);
if (set_rtr_adv_fields) {
while (gnrc_ipv6_nib_ft_iter(NULL, 0, &state, &route)) {
/* is default route */
if (ipv6_addr_is_unspecified(&route.dst)) {
break;
}
}
TEST_ASSERT_MESSAGE(ipv6_addr_equal(&_rem_ll, &route.next_hop),
"default route is not via RA's source");
TEST_ASSERT_EQUAL_INT(_mock_netif->pid, route.iface);
TEST_ASSERT_EQUAL_INT(_REACH_TIME, _mock_netif->ipv6.reach_time_base);
TEST_ASSERT_MESSAGE(((_REACH_TIME / 2) <= _mock_netif->ipv6.reach_time) &&
(_mock_netif->ipv6.reach_time <=
(_REACH_TIME + (_REACH_TIME / 2))),
"Randomized reachable time was out of expected range.");
TEST_ASSERT_EQUAL_INT(_RETRANS_TIMER, _mock_netif->ipv6.retrans_time);
TEST_ASSERT_EQUAL_INT(_CUR_HL, _mock_netif->cur_hl);
}
else {
while (gnrc_ipv6_nib_ft_iter(NULL, 0, &state, &route)) {
TEST_ASSERT_MESSAGE(!ipv6_addr_is_unspecified(&route.dst),
"There is a default route, "
"though RA's router lifetime was 0.");
}
TEST_ASSERT_EQUAL_INT(exp_netif.reach_time_base,
_mock_netif->ipv6.reach_time_base);
TEST_ASSERT_EQUAL_INT(exp_netif.reach_time,
_mock_netif->ipv6.reach_time);
TEST_ASSERT_EQUAL_INT(exp_netif.retrans_timer,
_mock_netif->ipv6.retrans_time);
TEST_ASSERT_EQUAL_INT(exp_netif.cur_hl,
_mock_netif->cur_hl);
}
state = NULL;
if (sl2ao) {
TEST_ASSERT_MESSAGE(gnrc_ipv6_nib_nc_iter(0, &state, &nce),
"No neighbor cache entry found");
TEST_ASSERT_MESSAGE((memcmp(&_rem_ll, &nce.ipv6, sizeof(_rem_ll)) == 0),
"_rem_ll != nce.ipv6");
TEST_ASSERT_EQUAL_INT(sizeof(_rem_l2), nce.l2addr_len);
TEST_ASSERT_MESSAGE((memcmp(&_rem_l2, &nce.l2addr, nce.l2addr_len) == 0),
"_rem_l2 != nce.l2addr");
TEST_ASSERT_EQUAL_INT(GNRC_IPV6_NIB_NC_INFO_NUD_STATE_STALE,
gnrc_ipv6_nib_nc_get_nud_state(&nce));
TEST_ASSERT_EQUAL_INT(_mock_netif->pid, gnrc_ipv6_nib_nc_get_iface(&nce));
TEST_ASSERT_EQUAL_INT(GNRC_IPV6_NIB_NC_INFO_AR_STATE_GC,
gnrc_ipv6_nib_nc_get_ar_state(&nce));
}
else {
TEST_ASSERT_MESSAGE(!gnrc_ipv6_nib_nc_iter(0, &state, &nce),
"There is an unexpected neighbor cache entry");
}
if (mtuo) {
TEST_ASSERT_EQUAL_INT(32397U, _mock_netif->ipv6.mtu);
}
else {
TEST_ASSERT_EQUAL_INT(exp_netif.mtu, _mock_netif->ipv6.mtu);
}
state = NULL;
if (pio) {
if (pio_flags & NDP_OPT_PI_FLAGS_A) {
TEST_ASSERT_MESSAGE(gnrc_netif2_ipv6_addr_idx(_mock_netif,
&_loc_gb) >= 0,
"Address was not configured by PIO");
}
else {
TEST_ASSERT_MESSAGE(gnrc_netif2_ipv6_addr_idx(_mock_netif,
&_loc_gb) < 0,
"Address was configured by PIO, "
"but A flag was set");
}
if (pio_flags & NDP_OPT_PI_FLAGS_L) {
TEST_ASSERT_MESSAGE(gnrc_ipv6_nib_pl_iter(0, &state, &prefix),
"No prefix list entry found");
TEST_ASSERT_MESSAGE(ipv6_addr_match_prefix(&_loc_gb,
&prefix.pfx) >= _LOC_GB_PFX_LEN,
"Unexpected prefix configured");
TEST_ASSERT_EQUAL_INT(_LOC_GB_PFX_LEN, prefix.pfx_len);
TEST_ASSERT_EQUAL_INT(_mock_netif->pid, prefix.iface);
TEST_ASSERT(_PIO_PFX_LTIME < prefix.valid_until);
TEST_ASSERT(_PIO_PFX_LTIME < prefix.pref_until);
}
}
if (!pio || !(pio_flags & NDP_OPT_PI_FLAGS_L)) {
if (!pio) {
TEST_ASSERT_EQUAL_INT(exp_addr_count,
_netif_addr_count(_mock_netif));
}
TEST_ASSERT_MESSAGE(!gnrc_ipv6_nib_pl_iter(0, &state, &prefix),
"There is an unexpected prefix list entry");
}
TEST_ASSERT_EQUAL_INT(0, msg_avail());
}
static void test_handle_pkt__rtr_adv__success_all_zero(void)
{
test_handle_pkt__rtr_adv__success(0U, false, false, false, false, 0U);
}
static void test_handle_pkt__rtr_adv__success_no_flags_no_opt(void)
{
test_handle_pkt__rtr_adv__success(0U, true, false, false, false, 0U);
}
static void test_handle_pkt__rtr_adv__success_no_opt(void)
{
/* these flags only make sense with SLAAC, so don't further test them below
* (except for PIO ;-)) */
test_handle_pkt__rtr_adv__success(NDP_RTR_ADV_FLAGS_M | NDP_RTR_ADV_FLAGS_O,
true, false, false, false, 0U);
}
static void test_handle_pkt__rtr_adv__success_sl2ao(void)
{
test_handle_pkt__rtr_adv__success(0U, true, true, false, false, 0U);
}
static void test_handle_pkt__rtr_adv__success_mtuo(void)
{
test_handle_pkt__rtr_adv__success(0U, true, false, true, false, 0U);
}
static void test_handle_pkt__rtr_adv__success_pio_00(void)
{
test_handle_pkt__rtr_adv__success(0U, true, false, false, true, 0U);
}
static void test_handle_pkt__rtr_adv__success_pio_L0(void)
{
test_handle_pkt__rtr_adv__success(0U, true, false, false, true,
NDP_OPT_PI_FLAGS_L);
}
static void test_handle_pkt__rtr_adv__success_pio_0A(void)
{
test_handle_pkt__rtr_adv__success(0U, true, false, false, true,
NDP_OPT_PI_FLAGS_A);
}
static void test_handle_pkt__rtr_adv__success_pio_LA(void)
{
test_handle_pkt__rtr_adv__success(0U, true, false, false, true,
NDP_OPT_PI_FLAGS_L | NDP_OPT_PI_FLAGS_A);
}
static void test_handle_pkt__rtr_adv__success_sl2ao_mtuo_pio_00(void)
{
test_handle_pkt__rtr_adv__success(0U, true, true, true, true, 0U);
}
static void test_handle_pkt__rtr_adv__success_sl2ao_mtuo_pio_L0(void)
{
test_handle_pkt__rtr_adv__success(0U, true, true, true, true,
NDP_OPT_PI_FLAGS_L);
}
static void test_handle_pkt__rtr_adv__success_sl2ao_mtuo_pio_0A(void)
{
test_handle_pkt__rtr_adv__success(0U, true, true, true, true,
NDP_OPT_PI_FLAGS_A);
}
static void test_handle_pkt__rtr_adv__success_sl2ao_mtuo_pio_LA(void)
{
test_handle_pkt__rtr_adv__success(0U, true, true, true, true,
NDP_OPT_PI_FLAGS_L | NDP_OPT_PI_FLAGS_A);
}
static void test_change_rtr_adv_iface(void)
{
TEST_ASSERT_MESSAGE(!(_mock_netif->flags & GNRC_NETIF2_FLAGS_IPV6_RTR_ADV),
"RTR_ADV was unexpectedly set");
gnrc_ipv6_nib_change_rtr_adv_iface(_mock_netif, true);
TEST_ASSERT_MESSAGE(!(_mock_netif->flags & GNRC_NETIF2_FLAGS_IPV6_RTR_ADV),
"RTR_ADV was unexpectedly changed");
gnrc_ipv6_nib_change_rtr_adv_iface(_mock_netif, false);
TEST_ASSERT_MESSAGE(!(_mock_netif->flags & GNRC_NETIF2_FLAGS_IPV6_RTR_ADV),
"RTR_ADV was unexpectedly changed");
TEST_ASSERT_EQUAL_INT(0, msg_avail());
}
static Test *tests_gnrc_ipv6_nib(void)
{
EMB_UNIT_TESTFIXTURES(fixtures) {
@ -690,6 +1224,11 @@ static Test *tests_gnrc_ipv6_nib(void)
/* TODO: ENETUNREACH when non-link-local communication is implemented */
new_TestFixture(test_get_next_hop_l2addr__link_local_EHOSTUNREACH_no_iface),
new_TestFixture(test_get_next_hop_l2addr__link_local_EHOSTUNREACH_iface),
new_TestFixture(test_get_next_hop_l2addr__global_EHOSTUNREACH_no_iface_off_link),
new_TestFixture(test_get_next_hop_l2addr__global_EHOSTUNREACH_iface_off_link),
new_TestFixture(test_get_next_hop_l2addr__global_EHOSTUNREACH_no_iface_on_link),
new_TestFixture(test_get_next_hop_l2addr__global_EHOSTUNREACH_iface_on_link),
new_TestFixture(test_get_next_hop_l2addr__ENETUNREACH),
new_TestFixture(test_get_next_hop_l2addr__link_local_static_conf),
new_TestFixture(test_get_next_hop_l2addr__link_local_after_handshake_iface),
new_TestFixture(test_get_next_hop_l2addr__link_local_after_handshake_iface_router),
@ -716,9 +1255,29 @@ static Test *tests_gnrc_ipv6_nib(void)
new_TestFixture(test_handle_pkt__nbr_adv__unspecified_src),
new_TestFixture(test_handle_pkt__nbr_adv__unsolicited),
/* solicited tested in get_next_hop_l2addr */
new_TestFixture(test_handle_pkt__rtr_sol),
new_TestFixture(test_handle_pkt__rtr_adv__invalid_src),
new_TestFixture(test_handle_pkt__rtr_adv__invalid_hl),
new_TestFixture(test_handle_pkt__rtr_adv__invalid_code),
new_TestFixture(test_handle_pkt__rtr_adv__invalid_icmpv6_len),
new_TestFixture(test_handle_pkt__rtr_adv__invalid_opt_len),
new_TestFixture(test_handle_pkt__rtr_adv__success_all_zero),
new_TestFixture(test_handle_pkt__rtr_adv__success_no_flags_no_opt),
new_TestFixture(test_handle_pkt__rtr_adv__success_no_opt),
new_TestFixture(test_handle_pkt__rtr_adv__success_sl2ao),
new_TestFixture(test_handle_pkt__rtr_adv__success_mtuo),
new_TestFixture(test_handle_pkt__rtr_adv__success_pio_00),
new_TestFixture(test_handle_pkt__rtr_adv__success_pio_L0),
new_TestFixture(test_handle_pkt__rtr_adv__success_pio_0A),
new_TestFixture(test_handle_pkt__rtr_adv__success_pio_LA),
new_TestFixture(test_handle_pkt__rtr_adv__success_sl2ao_mtuo_pio_00),
new_TestFixture(test_handle_pkt__rtr_adv__success_sl2ao_mtuo_pio_L0),
new_TestFixture(test_handle_pkt__rtr_adv__success_sl2ao_mtuo_pio_0A),
new_TestFixture(test_handle_pkt__rtr_adv__success_sl2ao_mtuo_pio_LA),
/* gnrc_ipv6_nib_handle_timer_event not testable in this context since
* we do not have access to the (internally defined) contexts required
* for it */
new_TestFixture(test_change_rtr_adv_iface),
};
EMB_UNIT_TESTCALLER(tests, _set_up, NULL, fixtures);

5
tests/gnrc_ipv6_nib/mockup_netif.c
View File

@ -83,6 +83,11 @@ void _tests_init(void)
"mockup_eth", &_mock_netdev.netdev
);
assert(_mock_netif != NULL);
/* we do not want to test for SLAAC here so just assure the configured
* address is valid */
assert(!ipv6_addr_is_unspecified(&_mock_netif->ipv6.addrs[0]));
_mock_netif->ipv6.addrs_flags[0] &= ~GNRC_NETIF2_IPV6_ADDRS_FLAGS_STATE_MASK;
_mock_netif->ipv6.addrs_flags[0] |= GNRC_NETIF2_IPV6_ADDRS_FLAGS_STATE_VALID;
gnrc_netreg_entry_init_pid(&dumper, GNRC_NETREG_DEMUX_CTX_ALL,
sched_active_pid);
gnrc_netreg_register(GNRC_NETTYPE_NDP2, &dumper);