lwip/test/unit/core/test_netif.c

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#include "test_netif.h"
#include "lwip/netif.h"
#include "lwip/stats.h"
#include "lwip/etharp.h"
#include "netif/ethernet.h"
#if !LWIP_NETIF_EXT_STATUS_CALLBACK
#error "This tests needs LWIP_NETIF_EXT_STATUS_CALLBACK enabled"
#endif
static struct netif net_test;
/* Setups/teardown functions */
static void
netif_setup(void)
{
lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT));
}
static void
netif_teardown(void)
{
lwip_check_ensure_no_alloc(SKIP_POOL(MEMP_SYS_TIMEOUT));
}
/* test helper functions */
static err_t
testif_tx_func(struct netif *netif, struct pbuf *p)
{
LWIP_UNUSED_ARG(netif);
LWIP_UNUSED_ARG(p);
return ERR_OK;
}
static err_t
testif_init(struct netif *netif)
{
netif->name[0] = 'c';
netif->name[1] = 'h';
netif->output = etharp_output;
netif->linkoutput = testif_tx_func;
netif->mtu = 1500;
netif->hwaddr_len = 6;
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_ETHERNET | NETIF_FLAG_IGMP | NETIF_FLAG_MLD6;
netif->hwaddr[0] = 0x02;
netif->hwaddr[1] = 0x03;
netif->hwaddr[2] = 0x04;
netif->hwaddr[3] = 0x05;
netif->hwaddr[4] = 0x06;
netif->hwaddr[5] = 0x07;
return ERR_OK;
}
#define MAX_NSC_REASON_IDX 10
static netif_nsc_reason_t expected_reasons;
static int callback_ctr;
static int dummy_active;
static void
test_netif_ext_callback_dummy(struct netif* netif, netif_nsc_reason_t reason, const netif_ext_callback_args_t* args)
{
LWIP_UNUSED_ARG(netif);
LWIP_UNUSED_ARG(reason);
LWIP_UNUSED_ARG(args);
fail_unless(dummy_active);
}
static void
test_netif_ext_callback(struct netif* netif, netif_nsc_reason_t reason, const netif_ext_callback_args_t* args)
{
LWIP_UNUSED_ARG(args); /* @todo */
callback_ctr++;
fail_unless(netif == &net_test);
fail_unless(expected_reasons == reason);
}
/* Test functions */
NETIF_DECLARE_EXT_CALLBACK(netif_callback_1)
NETIF_DECLARE_EXT_CALLBACK(netif_callback_2)
NETIF_DECLARE_EXT_CALLBACK(netif_callback_3)
START_TEST(test_netif_extcallbacks)
{
ip4_addr_t addr;
ip4_addr_t netmask;
ip4_addr_t gw;
LWIP_UNUSED_ARG(_i);
IP4_ADDR(&addr, 0, 0, 0, 0);
IP4_ADDR(&netmask, 0, 0, 0, 0);
IP4_ADDR(&gw, 0, 0, 0, 0);
netif_add_ext_callback(&netif_callback_3, test_netif_ext_callback_dummy);
netif_add_ext_callback(&netif_callback_2, test_netif_ext_callback);
netif_add_ext_callback(&netif_callback_1, test_netif_ext_callback_dummy);
dummy_active = 1;
/* positive tests: check that single events come as expected */
expected_reasons = LWIP_NSC_NETIF_ADDED;
callback_ctr = 0;
netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input);
fail_unless(callback_ctr == 1);
expected_reasons = LWIP_NSC_LINK_CHANGED;
callback_ctr = 0;
netif_set_link_up(&net_test);
fail_unless(callback_ctr == 1);
expected_reasons = LWIP_NSC_STATUS_CHANGED;
callback_ctr = 0;
netif_set_up(&net_test);
fail_unless(callback_ctr == 1);
IP4_ADDR(&addr, 1, 2, 3, 4);
expected_reasons = LWIP_NSC_IPV4_ADDRESS_CHANGED;
callback_ctr = 0;
netif_set_ipaddr(&net_test, &addr);
fail_unless(callback_ctr == 1);
IP4_ADDR(&netmask, 255, 255, 255, 0);
expected_reasons = LWIP_NSC_IPV4_NETMASK_CHANGED;
callback_ctr = 0;
netif_set_netmask(&net_test, &netmask);
fail_unless(callback_ctr == 1);
IP4_ADDR(&gw, 1, 2, 3, 254);
expected_reasons = LWIP_NSC_IPV4_GATEWAY_CHANGED;
callback_ctr = 0;
netif_set_gw(&net_test, &gw);
fail_unless(callback_ctr == 1);
IP4_ADDR(&addr, 0, 0, 0, 0);
expected_reasons = LWIP_NSC_IPV4_ADDRESS_CHANGED;
callback_ctr = 0;
netif_set_ipaddr(&net_test, &addr);
fail_unless(callback_ctr == 1);
IP4_ADDR(&netmask, 0, 0, 0, 0);
expected_reasons = LWIP_NSC_IPV4_NETMASK_CHANGED;
callback_ctr = 0;
netif_set_netmask(&net_test, &netmask);
fail_unless(callback_ctr == 1);
IP4_ADDR(&gw, 0, 0, 0, 0);
expected_reasons = LWIP_NSC_IPV4_GATEWAY_CHANGED;
callback_ctr = 0;
netif_set_gw(&net_test, &gw);
fail_unless(callback_ctr == 1);
/* check for multi-events (only one combined callback expected) */
IP4_ADDR(&addr, 1, 2, 3, 4);
IP4_ADDR(&netmask, 255, 255, 255, 0);
IP4_ADDR(&gw, 1, 2, 3, 254);
expected_reasons = (netif_nsc_reason_t)(LWIP_NSC_IPV4_ADDRESS_CHANGED | LWIP_NSC_IPV4_NETMASK_CHANGED |
LWIP_NSC_IPV4_GATEWAY_CHANGED | LWIP_NSC_IPV4_SETTINGS_CHANGED |
LWIP_NSC_IPV4_ADDR_VALID);
callback_ctr = 0;
netif_set_addr(&net_test, &addr, &netmask, &gw);
fail_unless(callback_ctr == 1);
/* check that for no-change, no callback is expected */
expected_reasons = LWIP_NSC_NONE;
callback_ctr = 0;
netif_set_ipaddr(&net_test, &addr);
fail_unless(callback_ctr == 0);
netif_set_netmask(&net_test, &netmask);
callback_ctr = 0;
fail_unless(callback_ctr == 0);
callback_ctr = 0;
netif_set_gw(&net_test, &gw);
fail_unless(callback_ctr == 0);
/* netif_set_addr() always issues at least LWIP_NSC_IPV4_ADDR_VALID */
expected_reasons = LWIP_NSC_IPV4_ADDR_VALID;
callback_ctr = 0;
netif_set_addr(&net_test, &addr, &netmask, &gw);
fail_unless(callback_ctr == 1);
/* check for single-events */
IP4_ADDR(&addr, 1, 2, 3, 5);
expected_reasons = (netif_nsc_reason_t)(LWIP_NSC_IPV4_ADDRESS_CHANGED | LWIP_NSC_IPV4_SETTINGS_CHANGED |
LWIP_NSC_IPV4_ADDR_VALID);
callback_ctr = 0;
netif_set_addr(&net_test, &addr, &netmask, &gw);
fail_unless(callback_ctr == 1);
expected_reasons = LWIP_NSC_STATUS_CHANGED;
callback_ctr = 0;
netif_set_down(&net_test);
fail_unless(callback_ctr == 1);
expected_reasons = LWIP_NSC_NETIF_REMOVED;
callback_ctr = 0;
netif_remove(&net_test);
fail_unless(callback_ctr == 1);
expected_reasons = LWIP_NSC_NONE;
netif_remove_ext_callback(&netif_callback_2);
netif_remove_ext_callback(&netif_callback_3);
netif_remove_ext_callback(&netif_callback_1);
dummy_active = 0;
}
END_TEST
START_TEST(test_netif_flag_set)
{
ip4_addr_t addr;
ip4_addr_t netmask;
ip4_addr_t gw;
LWIP_UNUSED_ARG(_i);
IP4_ADDR(&addr, 0, 0, 0, 0);
IP4_ADDR(&netmask, 0, 0, 0, 0);
IP4_ADDR(&gw, 0, 0, 0, 0);
netif_add(&net_test, &addr, &netmask, &gw, &net_test, testif_init, ethernet_input);
fail_if(netif_is_flag_set(&net_test, NETIF_FLAG_UP));
fail_unless(netif_is_flag_set(&net_test, NETIF_FLAG_BROADCAST));
fail_if(netif_is_flag_set(&net_test, NETIF_FLAG_LINK_UP));
fail_unless(netif_is_flag_set(&net_test, NETIF_FLAG_ETHARP));
fail_unless(netif_is_flag_set(&net_test, NETIF_FLAG_ETHERNET));
fail_unless(netif_is_flag_set(&net_test, NETIF_FLAG_IGMP));
fail_unless(netif_is_flag_set(&net_test, NETIF_FLAG_MLD6));
netif_remove(&net_test);
}
END_TEST
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START_TEST(test_netif_find)
{
struct netif net0;
struct netif net1;
LWIP_UNUSED_ARG(_i);
/* No netifs available */
fail_unless(netif_find("ch0") == NULL);
/* Add netifs with known names */
fail_unless(netif_add_noaddr(&net0, NULL, testif_init, ethernet_input) == &net0);
net0.num = 0;
fail_unless(netif_add_noaddr(&net1, NULL, testif_init, ethernet_input) == &net1);
net1.num = 1;
fail_unless(netif_find("ch0") == &net0);
fail_unless(netif_find("CH0") == NULL);
fail_unless(netif_find("ch1") == &net1);
fail_unless(netif_find("ch3") == NULL);
/* atoi failure is not treated as zero */
fail_unless(netif_find("chX") == NULL);
fail_unless(netif_find("ab0") == NULL);
netif_remove(&net0);
netif_remove(&net1);
}
END_TEST
/** Create the suite including all tests for this module */
Suite *
netif_suite(void)
{
testfunc tests[] = {
TESTFUNC(test_netif_extcallbacks),
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TESTFUNC(test_netif_flag_set),
TESTFUNC(test_netif_find)
};
return create_suite("NETIF", tests, sizeof(tests)/sizeof(testfunc), netif_setup, netif_teardown);
}