diff mbox series

[RFC,bpf-next,v6,4/6] selftests/bpf: Monitor traffic for tc_redirect.

Message ID 20240807175052.674250-5-thinker.li@gmail.com (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series monitor network traffic for flaky test cases | expand

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netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 7 this patch: 7
netdev/build_tools success Errors and warnings before: 10 this patch: 10
netdev/cc_maintainers warning 10 maintainers not CCed: kpsingh@kernel.org shuah@kernel.org haoluo@google.com daniel@iogearbox.net john.fastabend@gmail.com jolsa@kernel.org linux-kselftest@vger.kernel.org yonghong.song@linux.dev mykolal@fb.com eddyz87@gmail.com
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netdev/check_selftest success No net selftest shell script
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netdev/source_inline success Was 0 now: 0

Commit Message

Kui-Feng Lee Aug. 7, 2024, 5:50 p.m. UTC 
Enable traffic monitoring for the test case tc_redirect.

Signed-off-by: Kui-Feng Lee <thinker.li@gmail.com>
---
 .../selftests/bpf/prog_tests/tc_redirect.c    | 33 +++++++++++++++----
 1 file changed, 26 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/prog_tests/tc_redirect.c b/tools/testing/selftests/bpf/prog_tests/tc_redirect.c
index 53b8ffc943dc..0001f38ad9c5 100644
--- a/tools/testing/selftests/bpf/prog_tests/tc_redirect.c
+++ b/tools/testing/selftests/bpf/prog_tests/tc_redirect.c
@@ -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 +88,45 @@  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 (!*ns_obj) {
+				log_err("netns_new failed");
+				return -1;
+			}
+		} else {
+			if (!*ns_obj) {
+				log_err("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++;
 	}
 }