libvirt/tests/virnetdevtest.c

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/*
* Copyright (C) 2015 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "internal.h"
#include "testutils.h"
#define LIBVIRT_VIRNETDEVPRIV_H_ALLOW
#ifdef __linux__
# include "virmock.h"
# include "virnetdevpriv.h"
# define VIR_FROM_THIS VIR_FROM_NONE
struct testVirNetDevGetLinkInfoData {
const char *ifname; /* ifname to get info on */
virNetDevIfState state; /* expected state */
unsigned int speed; /* expected speed */
};
static int
testVirNetDevGetLinkInfo(const void *opaque)
{
const struct testVirNetDevGetLinkInfoData *data = opaque;
virNetDevIfLink lnk;
if (virNetDevGetLinkInfo(data->ifname, &lnk) < 0)
return -1;
if (lnk.state != data->state) {
fprintf(stderr,
"Fetched link state (%s) doesn't match the expected one (%s)",
virNetDevIfStateTypeToString(lnk.state),
virNetDevIfStateTypeToString(data->state));
return -1;
}
if (lnk.speed != data->speed) {
fprintf(stderr,
"Fetched link speed (%u) doesn't match the expected one (%u)",
lnk.speed, data->speed);
return -1;
}
return 0;
}
# if defined(WITH_LIBNL)
int
(*real_virNetDevSendVfSetLinkRequest)(const char *ifname,
int vfInfoType,
const void *payload,
const size_t payloadLen);
int
(*real_virNetDevSetVfMac)(const char *ifname,
int vf,
const virMacAddr *macaddr,
bool *allowRetry);
int
(*real_virNetDevSetVfVlan)(const char *ifname,
int vf,
const int *vlanid);
static void
init_syms(void)
{
VIR_MOCK_REAL_INIT(virNetDevSendVfSetLinkRequest);
VIR_MOCK_REAL_INIT(virNetDevSetVfMac);
VIR_MOCK_REAL_INIT(virNetDevSetVfVlan);
}
int
virNetDevSetVfMac(const char *ifname,
int vf,
const virMacAddr *macaddr,
bool *allowRetry)
{
init_syms();
if (STREQ_NULLABLE(ifname, "fakeiface-macerror")) {
return -EBUSY;
} else if (STREQ_NULLABLE(ifname, "fakeiface-altmacerror")) {
return -EINVAL;
} else if (STREQ_NULLABLE(ifname, "fakeiface-macerror-novlanerror")) {
return -EAGAIN;
} else if (STREQ_NULLABLE(ifname, "fakeiface-macerror-vlanerror")) {
return -ENODEV;
} else if (STREQ_NULLABLE(ifname, "fakeiface-nomacerror-vlanerror")) {
return 0;
} else if (STREQ_NULLABLE(ifname, "fakeiface-nomacerror-novlanerror")) {
return 0;
}
return real_virNetDevSetVfMac(ifname, vf, macaddr, allowRetry);
}
int
virNetDevSetVfVlan(const char *ifname,
int vf,
const int *vlanid)
{
init_syms();
if (STREQ_NULLABLE(ifname, "fakeiface-macerror-vlanerror")) {
return -EPERM;
} else if (STREQ_NULLABLE(ifname, "fakeiface-nomacerror-vlanerror")) {
return -EPERM;
} else if (STREQ_NULLABLE(ifname, "fakeiface-macerror-novlanerror")) {
return 0;
} else if (STREQ_NULLABLE(ifname, "fakeiface-nomacerror-novlanerror")) {
return 0;
}
return real_virNetDevSetVfVlan(ifname, vf, vlanid);
}
int
virNetDevSendVfSetLinkRequest(const char *ifname,
int vfInfoType,
const void *payload,
const size_t payloadLen)
{
init_syms();
if (STREQ_NULLABLE(ifname, "fakeiface-eperm")) {
return -EPERM;
} else if (STREQ_NULLABLE(ifname, "fakeiface-eagain")) {
return -EAGAIN;
} else if (STREQ_NULLABLE(ifname, "fakeiface-einval")) {
return -EINVAL;
} else if (STREQ_NULLABLE(ifname, "fakeiface-ok")) {
return 0;
}
return real_virNetDevSendVfSetLinkRequest(ifname, vfInfoType, payload, payloadLen);
}
static int
testVirNetDevSetVfMac(const void *opaque G_GNUC_UNUSED)
{
struct testCase {
const char *ifname;
const int vf_num;
const virMacAddr macaddr;
bool allow_retry;
const int rc;
};
size_t i = 0;
int rc = 0;
struct testCase testCases[] = {
{ .ifname = "fakeiface-ok", .vf_num = 1,
.macaddr = { .addr = { 0, 0, 0, 0, 0, 0 } }, .allow_retry = false, .rc = 0 },
{ .ifname = "fakeiface-ok", .vf_num = 2,
.macaddr = { .addr = { 0, 0, 0, 7, 7, 7 } }, .allow_retry = false, .rc = 0 },
{ .ifname = "fakeiface-ok", .vf_num = 3,
.macaddr = { .addr = { 0, 0, 0, 0, 0, 0 } }, .allow_retry = true, .rc = 0 },
{ .ifname = "fakeiface-ok", .vf_num = 4,
.macaddr = { .addr = { 0, 0, 0, 7, 7, 7 } }, .allow_retry = true, .rc = 0 },
{ .ifname = "fakeiface-eperm", .vf_num = 5,
.macaddr = { .addr = { 0, 0, 0, 0, 0, 0 } }, .allow_retry = false, .rc = -EPERM },
{ .ifname = "fakeiface-einval", .vf_num = 6,
.macaddr = { .addr = { 0, 0, 0, 0, 0, 0 } }, .allow_retry = false, .rc = -EINVAL },
{ .ifname = "fakeiface-einval", .vf_num = 7,
.macaddr = { .addr = { 0, 0, 0, 0, 0, 0 } }, .allow_retry = true, .rc = -EINVAL },
{ .ifname = "fakeiface-einval", .vf_num = 8,
.macaddr = { .addr = { 0, 0, 0, 7, 7, 7 } }, .allow_retry = false, .rc = -EINVAL },
{ .ifname = "fakeiface-einval", .vf_num = 9,
.macaddr = { .addr = { 0, 0, 0, 7, 7, 7 } }, .allow_retry = true, .rc = -EINVAL },
};
for (i = 0; i < G_N_ELEMENTS(testCases); ++i) {
rc = virNetDevSetVfMac(testCases[i].ifname, testCases[i].vf_num,
&testCases[i].macaddr, &testCases[i].allow_retry);
if (rc != testCases[i].rc) {
return -1;
}
}
return 0;
}
static int
testVirNetDevSetVfMissingMac(const void *opaque G_GNUC_UNUSED)
{
bool allowRetry = false;
/* NULL MAC pointer. */
if (virNetDevSetVfMac("fakeiface-ok", 1, NULL, &allowRetry) != -EINVAL) {
return -1;
}
allowRetry = true;
if (virNetDevSetVfMac("fakeiface-ok", 1, NULL, &allowRetry) != -EINVAL) {
return -1;
}
return 0;
}
static int
testVirNetDevSetVfVlan(const void *opaque G_GNUC_UNUSED)
{
struct testCase {
const char *ifname;
const int vf_num;
const int vlan_id;
const int rc;
};
struct nullVlanTestCase {
const char *ifname;
const int vf_num;
const int rc;
};
size_t i = 0;
int rc = 0;
const struct testCase testCases[] = {
/* VLAN ID is out of range of valid values (0-4095). */
{ .ifname = "enxdeadbeefcafe", .vf_num = 1, .vlan_id = 4096, .rc = -ERANGE },
{ .ifname = "enxdeadbeefcafe", .vf_num = 1, .vlan_id = -1, .rc = -ERANGE },
{ .ifname = "fakeiface-eperm", .vf_num = 1, .vlan_id = 0, .rc = -EPERM },
{ .ifname = "fakeiface-eagain", .vf_num = 1, .vlan_id = 0, .rc = -EAGAIN },
/* Successful requests with vlan id 0 need to have a zero return code. */
{ .ifname = "fakeiface-ok", .vf_num = 1, .vlan_id = 0, .rc = 0 },
/* Requests with a non-zero VLAN ID that result in an EPERM need to result in failures.
* failures. */
{ .ifname = "fakeiface-eperm", .vf_num = 1, .vlan_id = 42, .rc = -EPERM },
/* Requests with a non-zero VLAN ID that result in some other errors need to result in
* failures. */
{ .ifname = "fakeiface-eagain", .vf_num = 1, .vlan_id = 42, .rc = -EAGAIN },
/* Successful requests with a non-zero VLAN ID */
{ .ifname = "fakeiface-ok", .vf_num = 1, .vlan_id = 42, .rc = 0 },
};
const struct nullVlanTestCase nullVLANTestCases[] = {
{ .ifname = "fakeiface-eperm", .vf_num = 1, .rc = 0 },
{ .ifname = "fakeiface-eagain", .vf_num = 1, .rc = -EAGAIN },
/* Successful requests with vlan id 0 need to have a zero return code. */
{ .ifname = "fakeiface-ok", .vf_num = 1, .rc = 0 },
};
for (i = 0; i < G_N_ELEMENTS(testCases); ++i) {
rc = virNetDevSetVfVlan(testCases[i].ifname, testCases[i].vf_num, &testCases[i].vlan_id);
if (rc != testCases[i].rc) {
return -1;
}
}
for (i = 0; i < G_N_ELEMENTS(nullVLANTestCases); ++i) {
rc = virNetDevSetVfVlan(nullVLANTestCases[i].ifname, nullVLANTestCases[i].vf_num, NULL);
if (rc != nullVLANTestCases[i].rc) {
return -1;
}
}
return 0;
}
static int
testVirNetDevSetVfConfig(const void *opaque G_GNUC_UNUSED)
{
struct testCase {
const char *ifname;
const int rc;
};
int rc = 0;
size_t i = 0;
/* Nested functions are mocked so dummy values are used. */
const virMacAddr mac = { .addr = { 0xDE, 0xAD, 0xBE, 0xEF, 0xCA, 0xFE }};
const int vfNum = 1;
const int vlanid = 0;
bool *allowRetry = NULL;
const struct testCase testCases[] = {
{ .ifname = "fakeiface-macerror", .rc = -EBUSY },
{ .ifname = "fakeiface-altmacerror", .rc = -EINVAL },
{ .ifname = "fakeiface-macerror-novlanerror", .rc = -EAGAIN },
{ .ifname = "fakeiface-macerror-vlanerror", .rc = -ENODEV },
{ .ifname = "fakeiface-nomacerror-novlanerror", .rc = 0 },
};
for (i = 0; i < G_N_ELEMENTS(testCases); ++i) {
rc = virNetDevSetVfConfig(testCases[i].ifname, vfNum, &mac, &vlanid, allowRetry);
if (rc != testCases[i].rc) {
return -1;
}
}
return 0;
}
# endif /* defined(WITH_LIBNL) */
static int
mymain(void)
{
int ret = 0;
# define DO_TEST_LINK(ifname, state, speed) \
do { \
struct testVirNetDevGetLinkInfoData data = {ifname, state, speed}; \
if (virTestRun("Link info: " # ifname, \
testVirNetDevGetLinkInfo, &data) < 0) \
ret = -1; \
} while (0)
DO_TEST_LINK("eth0", VIR_NETDEV_IF_STATE_UP, 1000);
DO_TEST_LINK("lo", VIR_NETDEV_IF_STATE_UNKNOWN, 0);
DO_TEST_LINK("eth0-broken", VIR_NETDEV_IF_STATE_DOWN, 0);
# if defined(WITH_LIBNL)
if (virTestRun("Set VF MAC", testVirNetDevSetVfMac, NULL) < 0)
ret = -1;
if (virTestRun("Set VF MAC: missing MAC pointer", testVirNetDevSetVfMissingMac, NULL) < 0)
ret = -1;
if (virTestRun("Set VF VLAN", testVirNetDevSetVfVlan, NULL) < 0)
ret = -1;
if (virTestRun("Set VF Config", testVirNetDevSetVfConfig, NULL) < 0)
ret = -1;
# endif /* defined(WITH_LIBNL) */
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
VIR_TEST_MAIN_PRELOAD(mymain, VIR_TEST_MOCK("virnetdev"))
#else
int
main(void)
{
return EXIT_AM_SKIP;
}
#endif