Commit e1ef62a4 authored by Yucong Sun's avatar Yucong Sun Committed by Andrii Nakryiko
Browse files

selftests/bpf: Adding a namespace reset for tc_redirect 



This patch delete ns_src/ns_dst/ns_redir namespaces before recreating
them, making the test more robust.

Signed-off-by: default avatarYucong Sun <sunyucong@gmail.com>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211025223345.2136168-5-fallentree@fb.com
parent 9e7240fb

tools/testing/selftests/bpf/prog_tests/tc_redirect.c

+14 −0
Original line number Diff line number Diff line
@@ -176,6 +176,18 @@ static int netns_setup_namespaces(const char *verb) 
	return 0;

}



static void netns_setup_namespaces_nofail(const char *verb)

{

	const char * const *ns = namespaces;

	char cmd[128];



	while (*ns) {

		snprintf(cmd, sizeof(cmd), "ip netns %s %s > /dev/null 2>&1", verb, *ns);

		system(cmd);

		ns++;

	}

}



struct netns_setup_result {

	int ifindex_veth_src_fwd;

	int ifindex_veth_dst_fwd;
@@ -762,6 +774,8 @@ static void test_tc_redirect_peer_l3(struct netns_setup_result *setup_result) 


static void *test_tc_redirect_run_tests(void *arg)

{

	netns_setup_namespaces_nofail("delete");



	RUN_TEST(tc_redirect_peer);

	RUN_TEST(tc_redirect_peer_l3);

	RUN_TEST(tc_redirect_neigh);