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// SPDX-License-Identifier: GPL-2.0
#include <stdio.h>
#include <string.h>
#include <ynl.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <kselftest_harness.h>
#include "rt-link-user.h"
static void rt_link_print(struct __test_metadata *_metadata,
struct rt_link_getlink_rsp *r)
{
unsigned int i;
EXPECT_TRUE((bool)r->_hdr.ifi_index);
ksft_print_msg("%3d: ", r->_hdr.ifi_index);
EXPECT_TRUE((bool)r->_len.ifname);
if (r->_len.ifname)
printf("%6s: ", r->ifname);
if (r->_present.mtu)
printf("mtu %5d ", r->mtu);
if (r->linkinfo._len.kind)
printf("kind %-8s ", r->linkinfo.kind);
else
printf(" %8s ", "");
if (r->prop_list._count.alt_ifname) {
printf("altname ");
for (i = 0; i < r->prop_list._count.alt_ifname; i++)
printf("%s ", r->prop_list.alt_ifname[i]->str);
printf(" ");
}
if (r->linkinfo._present.data && r->linkinfo.data._present.netkit) {
struct rt_link_linkinfo_netkit_attrs *netkit;
const char *name;
netkit = &r->linkinfo.data.netkit;
printf("primary %d ", netkit->primary);
name = NULL;
if (netkit->_present.policy)
name = rt_link_netkit_policy_str(netkit->policy);
if (name)
printf("policy %s ", name);
}
printf("\n");
}
static int netkit_create(struct ynl_sock *ys)
{
struct rt_link_getlink_ntf *ntf_gl;
struct rt_link_newlink_req *req;
struct ynl_ntf_base_type *ntf;
int ret;
req = rt_link_newlink_req_alloc();
if (!req)
return -1;
rt_link_newlink_req_set_nlflags(req, NLM_F_CREATE | NLM_F_ECHO);
rt_link_newlink_req_set_linkinfo_kind(req, "netkit");
rt_link_newlink_req_set_linkinfo_data_netkit_policy(req, NETKIT_DROP);
ret = rt_link_newlink(ys, req);
rt_link_newlink_req_free(req);
if (ret)
return -1;
if (!ynl_has_ntf(ys))
return 0;
ntf = ynl_ntf_dequeue(ys);
if (!ntf || ntf->cmd != RTM_NEWLINK) {
ynl_ntf_free(ntf);
return 0;
}
ntf_gl = (void *)ntf;
ret = ntf_gl->obj._hdr.ifi_index;
ynl_ntf_free(ntf);
return ret;
}
static void netkit_delete(struct __test_metadata *_metadata,
struct ynl_sock *ys, int ifindex)
{
struct rt_link_dellink_req *req;
req = rt_link_dellink_req_alloc();
ASSERT_NE(NULL, req);
req->_hdr.ifi_index = ifindex;
EXPECT_EQ(0, rt_link_dellink(ys, req));
rt_link_dellink_req_free(req);
}
FIXTURE(rt_link)
{
struct ynl_sock *ys;
};
FIXTURE_SETUP(rt_link)
{
struct ynl_error yerr;
self->ys = ynl_sock_create(&ynl_rt_link_family, &yerr);
ASSERT_NE(NULL, self->ys) {
TH_LOG("failed to create rt-link socket: %s", yerr.msg);
}
}
FIXTURE_TEARDOWN(rt_link)
{
ynl_sock_destroy(self->ys);
}
TEST_F(rt_link, dump)
{
struct rt_link_getlink_req_dump *req;
struct rt_link_getlink_list *rsp;
req = rt_link_getlink_req_dump_alloc();
ASSERT_NE(NULL, req);
rsp = rt_link_getlink_dump(self->ys, req);
rt_link_getlink_req_dump_free(req);
ASSERT_NE(NULL, rsp) {
TH_LOG("dump failed: %s", self->ys->err.msg);
}
ASSERT_FALSE(ynl_dump_empty(rsp));
ynl_dump_foreach(rsp, link)
rt_link_print(_metadata, link);
rt_link_getlink_list_free(rsp);
}
TEST_F(rt_link, netkit)
{
struct rt_link_getlink_req_dump *dreq;
struct rt_link_getlink_list *rsp;
bool found = false;
int netkit_ifindex;
/* Create netkit with valid policy */
netkit_ifindex = netkit_create(self->ys);
ASSERT_GT(netkit_ifindex, 0)
TH_LOG("failed to create netkit: %s", self->ys->err.msg);
/* Verify it appears in a dump */
dreq = rt_link_getlink_req_dump_alloc();
ASSERT_NE(NULL, dreq);
rsp = rt_link_getlink_dump(self->ys, dreq);
rt_link_getlink_req_dump_free(dreq);
ASSERT_NE(NULL, rsp) {
TH_LOG("dump failed: %s", self->ys->err.msg);
}
ynl_dump_foreach(rsp, link) {
if (link->_hdr.ifi_index == netkit_ifindex) {
rt_link_print(_metadata, link);
found = true;
}
}
rt_link_getlink_list_free(rsp);
EXPECT_TRUE(found);
netkit_delete(_metadata, self->ys, netkit_ifindex);
}
TEST_F(rt_link, netkit_err_msg)
{
struct rt_link_newlink_req *req;
int ret;
/* Test creating netkit with bad policy - should fail */
req = rt_link_newlink_req_alloc();
ASSERT_NE(NULL, req);
rt_link_newlink_req_set_nlflags(req, NLM_F_CREATE);
rt_link_newlink_req_set_linkinfo_kind(req, "netkit");
rt_link_newlink_req_set_linkinfo_data_netkit_policy(req, 10);
ret = rt_link_newlink(self->ys, req);
rt_link_newlink_req_free(req);
EXPECT_NE(0, ret) {
TH_LOG("creating netkit with bad policy should fail");
}
/* Expect:
* Kernel error: 'Provided default xmit policy not supported' (bad attribute: .linkinfo.data(netkit).policy)
*/
EXPECT_NE(NULL, strstr(self->ys->err.msg, "bad attribute: .linkinfo.data(netkit).policy")) {
TH_LOG("expected extack msg not found: %s",
self->ys->err.msg);
}
}
TEST_HARNESS_MAIN
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