Commit 52a5b8a3 authored by Kui-Feng Lee's avatar Kui-Feng Lee Committed by Martin KaFai Lau
Browse files

selftests/bpf: Monitor traffic for tc_redirect. 



Enable traffic monitoring for the test case tc_redirect.

Acked-by: default avatarStanislav Fomichev <sdf@fomichev.me>
Signed-off-by: default avatarKui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240815053254.470944-5-thinker.li@gmail.com


Signed-off-by: default avatarMartin KaFai Lau <martin.lau@kernel.org>
parent 1e115a58

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

+22 −7
Original line number Diff line number Diff line
@@ -68,6 +68,7 @@ 
		__FILE__, __LINE__, strerror(errno), ##__VA_ARGS__)



static const char * const namespaces[] = {NS_SRC, NS_FWD, NS_DST, NULL};

static struct netns_obj *netns_objs[3];



static int write_file(const char *path, const char *newval)

{
@@ -87,27 +88,41 @@ static int write_file(const char *path, const char *newval) 


static int netns_setup_namespaces(const char *verb)

{

	struct netns_obj **ns_obj = netns_objs;

	const char * const *ns = namespaces;

	char cmd[128];



	while (*ns) {

		snprintf(cmd, sizeof(cmd), "ip netns %s %s", verb, *ns);

		if (!ASSERT_OK(system(cmd), cmd))

		if (strcmp(verb, "add") == 0) {

			*ns_obj = netns_new(*ns, false);

			if (!ASSERT_OK_PTR(*ns_obj, "netns_new"))

				return -1;

		} else {

			if (!ASSERT_OK_PTR(*ns_obj, "netns_obj is NULL"))

				return -1;

			netns_free(*ns_obj);

			*ns_obj = NULL;

		}

		ns++;

		ns_obj++;

	}

	return 0;

}



static void netns_setup_namespaces_nofail(const char *verb)

{

	struct netns_obj **ns_obj = netns_objs;

	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);

		if (strcmp(verb, "add") == 0) {

			*ns_obj = netns_new(*ns, false);

		} else {

			if (*ns_obj)

				netns_free(*ns_obj);

			*ns_obj = NULL;

		}

		ns++;

		ns_obj++;

	}

}