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selftests/bpf: Monitor traffic for tc_redirect.

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Enable traffic monitoring for the test case tc_redirect.

Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
Link: https://lore.kernel.org/r/20240815053254.470944-5-thinker.li@gmail.com
Signed-off-by: Martin KaFai Lau <martin.lau@kernel.org>
This commit is contained in:
Kui-Feng Lee
2024-08-14 22:32:52 -07:00
committed by Martin KaFai Lau
parent 1e115a58be
commit 52a5b8a30f
1 changed files with 22 additions and 7 deletions
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tools/testing/selftests/bpf/prog_tests/tc_redirect.c
+22 -7
View File
@@ -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))
return -1;
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++;
}
}