Add routing tests verifying basic RTM_CHANGE functionality.

MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D24239
This commit is contained in:
Alexander V. Chernikov 2020-04-02 20:02:33 +00:00
parent 130d950caf
commit 272bd6985f
4 changed files with 350 additions and 62 deletions

View File

@ -71,6 +71,8 @@ void rtsock_update_rtm_len(struct rt_msghdr *rtm);
void rtsock_validate_message(char *buffer, ssize_t len);
void rtsock_add_rtm_sa(struct rt_msghdr *rtm, int addr_type, struct sockaddr *sa);
void file_append_line(char *fname, char *text);
static int _rtm_seq = 42;
@ -151,34 +153,43 @@ _enforce_cloner_loaded(char *cloner_name)
return (1);
}
static int
iface_create_cloned(char *ifname_ptr)
static char *
iface_create(char *ifname_orig)
{
struct ifreq ifr;
int s;
char prefix[IFNAMSIZ];
char prefix[IFNAMSIZ], ifname[IFNAMSIZ], *result;
char *src, *dst;
for (src = ifname_ptr, dst = prefix; *src && isalpha(*src); src++)
for (src = ifname_orig, dst = prefix; *src && isalpha(*src); src++)
*dst++ = *src;
*dst = '\0';
if (_enforce_cloner_loaded(prefix) == 0)
return (0);
return (NULL);
memset(&ifr, 0, sizeof(struct ifreq));
s = socket(AF_LOCAL, SOCK_DGRAM, 0);
strlcpy(ifr.ifr_name, ifname_ptr, sizeof(ifr.ifr_name));
strlcpy(ifr.ifr_name, ifname_orig, sizeof(ifr.ifr_name));
RLOG("creating iface %s %s", prefix, ifr.ifr_name);
if (ioctl(s, SIOCIFCREATE2, &ifr) < 0)
err(1, "SIOCIFCREATE2");
strlcpy(ifname_ptr, ifr.ifr_name, IFNAMSIZ);
RLOG("created interface %s", ifname_ptr);
strlcpy(ifname, ifr.ifr_name, IFNAMSIZ);
RLOG("created interface %s", ifname);
return (1);
result = strdup(ifname);
file_append_line(IFACES_FNAME, ifname);
if (strstr(ifname, "epair") == ifname) {
/* call returned epairXXXa, need to add epairXXXb */
ifname[strlen(ifname) - 1] = 'b';
file_append_line(IFACES_FNAME, ifname);
}
return (result);
}
static int
@ -357,16 +368,19 @@ vnet_wait_interface(char *vnet_name, char *ifname)
}
void
vnet_switch(char *vnet_name, char *ifname)
vnet_switch(char *vnet_name, char **ifnames, int count)
{
char buf[512], cmd[512], *line;
FILE *fp;
int jid, ret;
int jid, len, ret;
RLOG("switching to vnet %s with interface %s", vnet_name, ifname);
snprintf(cmd, sizeof(cmd),
"/usr/sbin/jail -i -c name=%s persist vnet vnet.interface=%s",
vnet_name, ifname);
RLOG("switching to vnet %s with interface(s) %s", vnet_name, ifnames[0]);
len = snprintf(cmd, sizeof(cmd),
"/usr/sbin/jail -i -c name=%s persist vnet", vnet_name);
for (int i = 0; i < count && len < sizeof(cmd); i++) {
len += snprintf(&cmd[len], sizeof(cmd) - len,
" vnet.interface=%s", ifnames[i]);
}
RLOG("jail cmd: \"%s\"\n", cmd);
fp = popen(cmd, "r");
@ -384,8 +398,11 @@ vnet_switch(char *vnet_name, char *ifname)
file_append_line(JAILS_FNAME, vnet_name);
/* Wait while interface appearsh inside vnet */
if (!vnet_wait_interface(vnet_name, ifname)) {
atf_tc_fail("unable to move interface %s to jail %s", ifname, vnet_name);
for (int i = 0; i < count; i++) {
if (vnet_wait_interface(vnet_name, ifnames[i]))
continue;
atf_tc_fail("unable to move interface %s to jail %s",
ifnames[i], vnet_name);
}
if (jail_attach(jid) == -1) {
@ -396,6 +413,15 @@ vnet_switch(char *vnet_name, char *ifname)
RLOG("attached to the jail");
}
void
vnet_switch_one(char *vnet_name, char *ifname)
{
char *ifnames[1];
ifnames[0] = ifname;
vnet_switch(vnet_name, ifnames, 1);
}
#define SA_F_IGNORE_IFNAME 0x01
#define SA_F_IGNORE_IFTYPE 0x02
@ -699,15 +725,19 @@ struct rt_msghdr *
rtsock_read_rtm_reply(int fd, char *buffer, size_t buflen, int seq)
{
struct rt_msghdr *rtm;
int found = 0;
while (true) {
rtm = rtsock_read_rtm(fd, buffer, buflen);
if (rtm->rtm_pid != getpid())
continue;
if (rtm->rtm_seq != seq)
continue;
return (rtm);
if (rtm->rtm_pid == getpid() && rtm->rtm_seq == seq)
found = 1;
if (found)
RLOG("--- MATCHED RTSOCK MESSAGE ---");
else
RLOG("--- SKIPPED RTSOCK MESSAGE ---");
rtsock_print_rtm(rtm);
if (found)
return (rtm);
}
/* NOTREACHED */

View File

@ -32,6 +32,10 @@
#include "params.h"
struct rtsock_config_options {
int num_interfaces; /* number of interfaces to create */
};
struct rtsock_test_config {
int ifindex;
char net4_str[INET_ADDRSTRLEN];
@ -48,30 +52,29 @@ struct rtsock_test_config {
int plen6;
char *remote_lladdr;
char *ifname;
char **ifnames;
bool autocreated_interface;
int rtsock_fd;
int num_interfaces;
};
struct rtsock_test_config *
config_setup_base(const atf_tc_t *tc)
{
struct rtsock_test_config *c;
c = calloc(1, sizeof(struct rtsock_test_config));
c->rtsock_fd = -1;
return c;
}
struct rtsock_test_config *
config_setup(const atf_tc_t *tc)
config_setup(const atf_tc_t *tc, struct rtsock_config_options *co)
{
struct rtsock_config_options default_co;
struct rtsock_test_config *c;
char buf[64], *s;
const char *key;
int mask;
c = config_setup_base(tc);
if (co == NULL) {
bzero(&default_co, sizeof(default_co));
co = &default_co;
co->num_interfaces = 1;
}
c = calloc(1, sizeof(struct rtsock_test_config));
c->rtsock_fd = -1;
key = atf_tc_get_config_var_wd(tc, "rtsock.v4prefix", "192.0.2.0/24");
strlcpy(buf, key, sizeof(buf));
@ -123,27 +126,17 @@ config_setup(const atf_tc_t *tc)
inet_ntop(AF_INET6, &c->net6.sin6_addr, c->net6_str, INET6_ADDRSTRLEN);
inet_ntop(AF_INET6, &c->addr6.sin6_addr, c->addr6_str, INET6_ADDRSTRLEN);
c->ifname = strdup("epair");
c->autocreated_interface = true;
if (co->num_interfaces > 0) {
c->ifnames = calloc(co->num_interfaces, sizeof(char *));
for (int i = 0; i < co->num_interfaces; i++)
c->ifnames[i] = iface_create("epair");
if (c->autocreated_interface && (if_nametoindex(c->ifname) == 0))
{
/* create our own interface */
char new_ifname[IFNAMSIZ];
strlcpy(new_ifname, c->ifname, sizeof(new_ifname));
int ret = iface_create_cloned(new_ifname);
ATF_REQUIRE_MSG(ret != 0, "%s interface creation failed: %s", new_ifname,
strerror(errno));
c->ifname = strdup(new_ifname);
file_append_line(IFACES_FNAME, new_ifname);
if (strstr(new_ifname, "epair") == new_ifname) {
/* call returned epairXXXa, need to add epairXXXb */
new_ifname[strlen(new_ifname) - 1] = 'b';
file_append_line(IFACES_FNAME, new_ifname);
}
c->ifname = c->ifnames[0];
c->ifindex = if_nametoindex(c->ifname);
ATF_REQUIRE_MSG(c->ifindex != 0, "interface %s not found",
c->ifname);
}
c->ifindex = if_nametoindex(c->ifname);
ATF_REQUIRE_MSG(c->ifindex != 0, "inteface %s not found", c->ifname);
c->num_interfaces = co->num_interfaces;
c->remote_lladdr = strdup(atf_tc_get_config_var_wd(tc,
"rtsock.remote_lladdr", "00:00:5E:00:53:42"));

View File

@ -43,7 +43,7 @@ jump_vnet(struct rtsock_test_config *c, const atf_tc_t *tc)
snprintf(vnet_name, sizeof(vnet_name), "vt-%s", atf_tc_get_ident(tc));
RLOG("jumping to %s", vnet_name);
vnet_switch(vnet_name, c->ifname);
vnet_switch(vnet_name, c->ifnames, c->num_interfaces);
/* Update ifindex cache */
c->ifindex = if_nametoindex(c->ifname);
@ -55,7 +55,7 @@ presetup_ipv6_iface(const atf_tc_t *tc)
struct rtsock_test_config *c;
int ret;
c = config_setup(tc);
c = config_setup(tc, NULL);
jump_vnet(c, tc);
@ -89,7 +89,7 @@ presetup_ipv4_iface(const atf_tc_t *tc)
struct rtsock_test_config *c;
int ret;
c = config_setup(tc);
c = config_setup(tc, NULL);
jump_vnet(c, tc);
@ -353,8 +353,12 @@ ATF_TC_HEAD(rtm_get_v4_empty_dst_failure, tc)
ATF_TC_BODY(rtm_get_v4_empty_dst_failure, tc)
{
DECLARE_TEST_VARS;
struct rtsock_config_options co;
c = config_setup_base(tc);
bzero(&co, sizeof(co));
co.num_interfaces = 0;
c = config_setup(tc,&co);
c->rtsock_fd = rtsock_setup_socket();
rtsock_prepare_route_message(rtm, RTM_GET, NULL,
@ -486,6 +490,133 @@ ATF_TC_CLEANUP(rtm_del_v4_prefix_nogw_success, tc)
CLEANUP_AFTER_TEST;
}
RTM_DECLARE_ROOT_TEST(rtm_change_v4_gw_success,
"Tests IPv4 gateway change");
ATF_TC_BODY(rtm_change_v4_gw_success, tc)
{
DECLARE_TEST_VARS;
struct rtsock_config_options co;
bzero(&co, sizeof(co));
co.num_interfaces = 2;
c = config_setup(tc, &co);
jump_vnet(c, tc);
ret = iface_turn_up(c->ifnames[0]);
ATF_REQUIRE_MSG(ret == 0, "Unable to turn up %s", c->ifnames[0]);
ret = iface_turn_up(c->ifnames[1]);
ATF_REQUIRE_MSG(ret == 0, "Unable to turn up %s", c->ifnames[1]);
ret = iface_setup_addr(c->ifnames[0], c->addr4_str, c->plen4);
ATF_REQUIRE_MSG(ret == 0, "ifconfig failed");
/* Use 198.51.100.0/24 "TEST-NET-2" for the second interface */
ret = iface_setup_addr(c->ifnames[1], "198.51.100.1", 24);
ATF_REQUIRE_MSG(ret == 0, "ifconfig failed");
c->rtsock_fd = rtsock_setup_socket();
/* Create IPv4 subnetwork with smaller prefix */
struct sockaddr_in mask4;
struct sockaddr_in net4;
struct sockaddr_in gw4;
prepare_v4_network(c, &net4, &mask4, &gw4);
prepare_route_message(rtm, RTM_ADD, (struct sockaddr *)&net4,
(struct sockaddr *)&mask4, (struct sockaddr *)&gw4);
rtsock_send_rtm(c->rtsock_fd, rtm);
rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq);
verify_route_message(rtm, RTM_ADD, (struct sockaddr *)&net4,
(struct sockaddr *)&mask4, (struct sockaddr *)&gw4);
/* Change gateway to the one on desiding on the other interface */
inet_pton(AF_INET, "198.51.100.2", &gw4.sin_addr.s_addr);
prepare_route_message(rtm, RTM_CHANGE, (struct sockaddr *)&net4,
(struct sockaddr *)&mask4, (struct sockaddr *)&gw4);
rtsock_send_rtm(c->rtsock_fd, rtm);
rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq);
verify_route_message(rtm, RTM_CHANGE, (struct sockaddr *)&net4,
(struct sockaddr *)&mask4, (struct sockaddr *)&gw4);
verify_route_message_extra(rtm, if_nametoindex(c->ifnames[1]),
RTF_DONE | RTF_GATEWAY | RTF_STATIC);
/* Verify the change has actually taken place */
prepare_route_message(rtm, RTM_GET, (struct sockaddr *)&net4,
(struct sockaddr *)&mask4, NULL);
rtsock_send_rtm(c->rtsock_fd, rtm);
/*
* RTM_GET: len 200, pid: 3894, seq 44, errno 0, flags: <UP,GATEWAY,DONE,STATIC>
* sockaddrs: 0x7 <DST,GATEWAY,NETMASK>
* af=inet len=16 addr=192.0.2.0 hd={x10, x02, x00{2}, xC0, x00, x02, x00{9}}
* af=inet len=16 addr=198.51.100.2 hd={x10, x02, x00{2}, xC6, x33, x64, x02, x00{8}}
* af=inet len=16 addr=255.255.255.128 hd={x10, x02, xFF, xFF, xFF, xFF, xFF, x80, x00{8}}
*/
rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq);
verify_route_message_extra(rtm, if_nametoindex(c->ifnames[1]),
RTF_UP | RTF_DONE | RTF_GATEWAY | RTF_STATIC);
}
RTM_DECLARE_ROOT_TEST(rtm_change_v4_mtu_success,
"Tests IPv4 path mtu change");
ATF_TC_BODY(rtm_change_v4_mtu_success, tc)
{
DECLARE_TEST_VARS;
unsigned long test_mtu = 1442;
c = presetup_ipv4(tc);
/* Create IPv4 subnetwork with smaller prefix */
struct sockaddr_in mask4;
struct sockaddr_in net4;
struct sockaddr_in gw4;
prepare_v4_network(c, &net4, &mask4, &gw4);
prepare_route_message(rtm, RTM_ADD, (struct sockaddr *)&net4,
(struct sockaddr *)&mask4, (struct sockaddr *)&gw4);
rtsock_send_rtm(c->rtsock_fd, rtm);
rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq);
/* Change MTU */
prepare_route_message(rtm, RTM_CHANGE, (struct sockaddr *)&net4,
(struct sockaddr *)&mask4, NULL);
rtm->rtm_inits |= RTV_MTU;
rtm->rtm_rmx.rmx_mtu = test_mtu;
rtsock_send_rtm(c->rtsock_fd, rtm);
rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq);
verify_route_message(rtm, RTM_CHANGE, (struct sockaddr *)&net4,
(struct sockaddr *)&mask4, NULL);
RTSOCK_ATF_REQUIRE_MSG(rtm, rtm->rtm_rmx.rmx_mtu == test_mtu,
"expected mtu: %lu, got %lu", test_mtu, rtm->rtm_rmx.rmx_mtu);
/* Verify the change has actually taken place */
prepare_route_message(rtm, RTM_GET, (struct sockaddr *)&net4,
(struct sockaddr *)&mask4, NULL);
rtsock_send_rtm(c->rtsock_fd, rtm);
rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq);
RTSOCK_ATF_REQUIRE_MSG(rtm, rtm->rtm_rmx.rmx_mtu == test_mtu,
"expected mtu: %lu, got %lu", test_mtu, rtm->rtm_rmx.rmx_mtu);
}
ATF_TC_WITH_CLEANUP(rtm_add_v6_gu_gw_gu_direct_success);
ATF_TC_HEAD(rtm_add_v6_gu_gw_gu_direct_success, tc)
{
@ -578,6 +709,136 @@ ATF_TC_CLEANUP(rtm_del_v6_gu_prefix_nogw_success, tc)
CLEANUP_AFTER_TEST;
}
RTM_DECLARE_ROOT_TEST(rtm_change_v6_gw_success,
"Tests IPv6 gateway change");
ATF_TC_BODY(rtm_change_v6_gw_success, tc)
{
DECLARE_TEST_VARS;
struct rtsock_config_options co;
bzero(&co, sizeof(co));
co.num_interfaces = 2;
c = config_setup(tc, &co);
jump_vnet(c, tc);
ret = iface_turn_up(c->ifnames[0]);
ATF_REQUIRE_MSG(ret == 0, "Unable to turn up %s", c->ifnames[0]);
ret = iface_turn_up(c->ifnames[1]);
ATF_REQUIRE_MSG(ret == 0, "Unable to turn up %s", c->ifnames[1]);
ret = iface_enable_ipv6(c->ifnames[0]);
ATF_REQUIRE_MSG(ret == 0, "Unable to enable IPv6 on %s", c->ifnames[0]);
ret = iface_enable_ipv6(c->ifnames[1]);
ATF_REQUIRE_MSG(ret == 0, "Unable to enable IPv6 on %s", c->ifnames[1]);
ret = iface_setup_addr(c->ifnames[0], c->addr6_str, c->plen6);
ATF_REQUIRE_MSG(ret == 0, "ifconfig failed");
ret = iface_setup_addr(c->ifnames[1], "2001:DB8:4242::1", 64);
ATF_REQUIRE_MSG(ret == 0, "ifconfig failed");
c->rtsock_fd = rtsock_setup_socket();
/* Create IPv6 subnetwork with smaller prefix */
struct sockaddr_in6 mask6;
struct sockaddr_in6 net6;
struct sockaddr_in6 gw6;
prepare_v6_network(c, &net6, &mask6, &gw6);
prepare_route_message(rtm, RTM_ADD, (struct sockaddr *)&net6,
(struct sockaddr *)&mask6, (struct sockaddr *)&gw6);
rtsock_send_rtm(c->rtsock_fd, rtm);
rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq);
verify_route_message(rtm, RTM_ADD, (struct sockaddr *)&net6,
(struct sockaddr *)&mask6, (struct sockaddr *)&gw6);
/* Change gateway to the one on residing on the other interface */
inet_pton(AF_INET6, "2001:DB8:4242::4242", &gw6.sin6_addr);
prepare_route_message(rtm, RTM_CHANGE, (struct sockaddr *)&net6,
(struct sockaddr *)&mask6, (struct sockaddr *)&gw6);
rtsock_send_rtm(c->rtsock_fd, rtm);
rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq);
verify_route_message(rtm, RTM_CHANGE, (struct sockaddr *)&net6,
(struct sockaddr *)&mask6, (struct sockaddr *)&gw6);
verify_route_message_extra(rtm, if_nametoindex(c->ifnames[1]),
RTF_DONE | RTF_GATEWAY | RTF_STATIC);
/* Verify the change has actually taken place */
prepare_route_message(rtm, RTM_GET, (struct sockaddr *)&net6,
(struct sockaddr *)&mask6, NULL);
rtsock_send_rtm(c->rtsock_fd, rtm);
/*
* RTM_GET: len 248, pid: 2268, seq 44, errno 0, flags: <UP,GATEWAY,DONE,STATIC>
* sockaddrs: 0x7 <DST,GATEWAY,NETMASK>
* af=inet6 len=28 addr=2001:db8:: hd={x1C, x1C, x00{6}, x20, x01, x0D, xB8, x00{16}}
* af=inet6 len=28 addr=2001:db8:4242::4242 hd={x1C, x1C, x00{6}, x20, x01, x0D, xB8, x42, x42, x00{8}, x42, x42, x00{4}}
* af=inet6 len=28 addr=ffff:ffff:8000:: hd={x1C, x1C, xFF, xFF, xFF, xFF, xFF, xFF, xFF, xFF, xFF, xFF, x80, x00{15}}
*/
rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq);
verify_route_message_extra(rtm, if_nametoindex(c->ifnames[1]),
RTF_UP | RTF_DONE | RTF_GATEWAY | RTF_STATIC);
}
RTM_DECLARE_ROOT_TEST(rtm_change_v6_mtu_success,
"Tests IPv6 path mtu change");
ATF_TC_BODY(rtm_change_v6_mtu_success, tc)
{
DECLARE_TEST_VARS;
unsigned long test_mtu = 1442;
c = presetup_ipv6(tc);
/* Create IPv6 subnetwork with smaller prefix */
struct sockaddr_in6 mask6;
struct sockaddr_in6 net6;
struct sockaddr_in6 gw6;
prepare_v6_network(c, &net6, &mask6, &gw6);
prepare_route_message(rtm, RTM_ADD, (struct sockaddr *)&net6,
(struct sockaddr *)&mask6, (struct sockaddr *)&gw6);
/* Send route add */
rtsock_send_rtm(c->rtsock_fd, rtm);
rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq);
/* Change MTU */
prepare_route_message(rtm, RTM_CHANGE, (struct sockaddr *)&net6,
(struct sockaddr *)&mask6, NULL);
rtm->rtm_inits |= RTV_MTU;
rtm->rtm_rmx.rmx_mtu = test_mtu;
rtsock_send_rtm(c->rtsock_fd, rtm);
rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq);
verify_route_message(rtm, RTM_CHANGE, (struct sockaddr *)&net6,
(struct sockaddr *)&mask6, NULL);
RTSOCK_ATF_REQUIRE_MSG(rtm, rtm->rtm_rmx.rmx_mtu == test_mtu,
"expected mtu: %lu, got %lu", test_mtu, rtm->rtm_rmx.rmx_mtu);
/* Verify the change has actually taken place */
prepare_route_message(rtm, RTM_GET, (struct sockaddr *)&net6,
(struct sockaddr *)&mask6, NULL);
rtsock_send_rtm(c->rtsock_fd, rtm);
rtm = rtsock_read_rtm_reply(c->rtsock_fd, buffer, sizeof(buffer), rtm->rtm_seq);
RTSOCK_ATF_REQUIRE_MSG(rtm, rtm->rtm_rmx.rmx_mtu == test_mtu,
"expected mtu: %lu, got %lu", test_mtu, rtm->rtm_rmx.rmx_mtu);
}
ATF_TC_WITH_CLEANUP(rtm_add_v4_temporal1_success);
ATF_TC_HEAD(rtm_add_v4_temporal1_success, tc)
{
@ -1012,6 +1273,10 @@ ATF_TP_ADD_TCS(tp)
ATF_TP_ADD_TC(tp, rtm_del_v4_prefix_nogw_success);
ATF_TP_ADD_TC(tp, rtm_add_v6_gu_gw_gu_direct_success);
ATF_TP_ADD_TC(tp, rtm_del_v6_gu_prefix_nogw_success);
ATF_TP_ADD_TC(tp, rtm_change_v4_gw_success);
ATF_TP_ADD_TC(tp, rtm_change_v4_mtu_success);
ATF_TP_ADD_TC(tp, rtm_change_v6_gw_success);
ATF_TP_ADD_TC(tp, rtm_change_v6_mtu_success);
/* ifaddr tests */
ATF_TP_ADD_TC(tp, rtm_add_v6_gu_ifa_hostroute_success);
ATF_TP_ADD_TC(tp, rtm_add_v6_gu_ifa_prefixroute_success);

View File

@ -38,7 +38,7 @@ jump_vnet(struct rtsock_test_config *c, const atf_tc_t *tc)
snprintf(vnet_name, sizeof(vnet_name), "vt-%s", atf_tc_get_ident(tc));
RLOG("jumping to %s", vnet_name);
vnet_switch(vnet_name, c->ifname);
vnet_switch_one(vnet_name, c->ifname);
/* Update ifindex cache */
c->ifindex = if_nametoindex(c->ifname);
@ -50,7 +50,7 @@ presetup_ipv6(const atf_tc_t *tc)
struct rtsock_test_config *c;
int ret;
c = config_setup(tc);
c = config_setup(tc, NULL);
jump_vnet(c, tc);
@ -70,7 +70,7 @@ presetup_ipv4(const atf_tc_t *tc)
struct rtsock_test_config *c;
int ret;
c = config_setup(tc);
c = config_setup(tc, NULL);
jump_vnet(c, tc);