The flow dissector test currently relies on generic CHECK macros to
perform tests. Update those to newer, more-specific ASSERT macros.

This update allows to get rid of the global duration variable, which was
needed by the CHECK macros

Acked-by: Stanislav Fomichev <s...@fomichev.me>
Signed-off-by: Alexis Lothoré (eBPF Foundation) <alexis.loth...@bootlin.com>
---
Changes in v3:
-none

Changes in v2:
- fetch acked-by tag
---
 .../selftests/bpf/prog_tests/flow_dissector.c      | 41 +++++++++++-----------
 1 file changed, 21 insertions(+), 20 deletions(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c 
b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
index 
3ea25ecdf3c92959f56ba0819130b453fd2379f7..6fbe8b6dad561aec02db552caea02517ac1e2109
 100644
--- a/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
+++ b/tools/testing/selftests/bpf/prog_tests/flow_dissector.c
@@ -79,7 +79,6 @@ struct test {
 
 #define VLAN_HLEN      4
 
-static __u32 duration;
 struct test tests[] = {
        {
                .name = "ipv4",
@@ -511,7 +510,7 @@ static void run_tests_skb_less(int tap_fd, struct bpf_map 
*keys)
        int i, err, keys_fd;
 
        keys_fd = bpf_map__fd(keys);
-       if (CHECK(keys_fd < 0, "bpf_map__fd", "err %d\n", keys_fd))
+       if (!ASSERT_OK_FD(keys_fd, "bpf_map__fd"))
                return;
 
        for (i = 0; i < ARRAY_SIZE(tests); i++) {
@@ -530,14 +529,16 @@ static void run_tests_skb_less(int tap_fd, struct bpf_map 
*keys)
                        continue;
 
                err = tx_tap(tap_fd, &tests[i].pkt, sizeof(tests[i].pkt));
-               CHECK(err < 0, "tx_tap", "err %d errno %d\n", err, errno);
+               if (!ASSERT_EQ(err, sizeof(tests[i].pkt), "tx_tap"))
+                       continue;
 
                /* check the stored flow_keys only if BPF_OK expected */
                if (tests[i].retval != BPF_OK)
                        continue;
 
                err = bpf_map_lookup_elem(keys_fd, &key, &flow_keys);
-               ASSERT_OK(err, "bpf_map_lookup_elem");
+               if (!ASSERT_OK(err, "bpf_map_lookup_elem"))
+                       continue;
 
                ASSERT_MEMEQ(&flow_keys, &tests[i].keys,
                             sizeof(struct bpf_flow_keys),
@@ -553,17 +554,17 @@ static void test_skb_less_prog_attach(struct bpf_flow 
*skel, int tap_fd)
        int err, prog_fd;
 
        prog_fd = bpf_program__fd(skel->progs._dissect);
-       if (CHECK(prog_fd < 0, "bpf_program__fd", "err %d\n", prog_fd))
+       if (!ASSERT_OK_FD(prog_fd, "bpf_program__fd"))
                return;
 
        err = bpf_prog_attach(prog_fd, 0, BPF_FLOW_DISSECTOR, 0);
-       if (CHECK(err, "bpf_prog_attach", "err %d errno %d\n", err, errno))
+       if (!ASSERT_OK(err, "bpf_prog_attach"))
                return;
 
        run_tests_skb_less(tap_fd, skel->maps.last_dissection);
 
        err = bpf_prog_detach2(prog_fd, 0, BPF_FLOW_DISSECTOR);
-       CHECK(err, "bpf_prog_detach2", "err %d errno %d\n", err, errno);
+       ASSERT_OK(err, "bpf_prog_detach2");
 }
 
 static void test_skb_less_link_create(struct bpf_flow *skel, int tap_fd)
@@ -572,7 +573,7 @@ static void test_skb_less_link_create(struct bpf_flow 
*skel, int tap_fd)
        int err, net_fd;
 
        net_fd = open("/proc/self/ns/net", O_RDONLY);
-       if (CHECK(net_fd < 0, "open(/proc/self/ns/net)", "err %d\n", errno))
+       if (!ASSERT_OK_FD(net_fd, "open(/proc/self/ns/net"))
                return;
 
        link = bpf_program__attach_netns(skel->progs._dissect, net_fd);
@@ -582,7 +583,7 @@ static void test_skb_less_link_create(struct bpf_flow 
*skel, int tap_fd)
        run_tests_skb_less(tap_fd, skel->maps.last_dissection);
 
        err = bpf_link__destroy(link);
-       CHECK(err, "bpf_link__destroy", "err %d\n", err);
+       ASSERT_OK(err, "bpf_link__destroy");
 out_close:
        close(net_fd);
 }
@@ -593,18 +594,18 @@ void test_flow_dissector(void)
        struct bpf_flow *skel;
 
        skel = bpf_flow__open_and_load();
-       if (CHECK(!skel, "skel", "failed to open/load skeleton\n"))
+       if (!ASSERT_OK_PTR(skel, "open/load skeleton"))
                return;
 
        prog_fd = bpf_program__fd(skel->progs._dissect);
-       if (CHECK(prog_fd < 0, "bpf_program__fd", "err %d\n", prog_fd))
-               goto out_destroy_skel;
+       if (!ASSERT_OK_FD(prog_fd, "bpf_program__fd"))
+               return;
        keys_fd = bpf_map__fd(skel->maps.last_dissection);
-       if (CHECK(keys_fd < 0, "bpf_map__fd", "err %d\n", keys_fd))
-               goto out_destroy_skel;
+       if (!ASSERT_OK_FD(keys_fd, "bpf_map__fd"))
+               return;
        err = init_prog_array(skel->obj, skel->maps.jmp_table);
-       if (CHECK(err, "init_prog_array", "err %d\n", err))
-               goto out_destroy_skel;
+       if (!ASSERT_OK(err, "init_prog_array"))
+               return;
 
        for (i = 0; i < ARRAY_SIZE(tests); i++) {
                struct bpf_flow_keys flow_keys;
@@ -634,17 +635,17 @@ void test_flow_dissector(void)
                             sizeof(struct bpf_flow_keys),
                             "returned flow keys");
        }
-
        /* Do the same tests but for skb-less flow dissector.
         * We use a known path in the net/tun driver that calls
         * eth_get_headlen and we manually export bpf_flow_keys
         * via BPF map in this case.
         */
-
        tap_fd = create_tap("tap0");
-       CHECK(tap_fd < 0, "create_tap", "tap_fd %d errno %d\n", tap_fd, errno);
+       if (!ASSERT_OK_FD(tap_fd, "create_tap"))
+               goto out_destroy_skel;
        err = ifup("tap0");
-       CHECK(err, "ifup", "err %d errno %d\n", err, errno);
+       if (!ASSERT_OK(err, "ifup"))
+               goto out_destroy_skel;
 
        /* Test direct prog attachment */
        test_skb_less_prog_attach(skel, tap_fd);

-- 
2.47.0


Reply via email to