From: Daniel Borkmann <daniel@iogearbox.net>
To: bpf@vger.kernel.org
Cc: lmb@isovalent.com, martin.lau@kernel.org,
Daniel Borkmann <daniel@iogearbox.net>
Subject: [PATCH bpf 7/7] selftests/bpf: Make seen_tc* variable tests more robust
Date: Sat, 7 Oct 2023 00:06:55 +0200 [thread overview]
Message-ID: <20231006220655.1653-7-daniel@iogearbox.net> (raw)
In-Reply-To: <20231006220655.1653-1-daniel@iogearbox.net>
Martin reported that on his local dev machine the test_tc_chain_mixed() fails as
"test_tc_chain_mixed:FAIL:seen_tc5 unexpected seen_tc5: actual 1 != expected 0"
and others occasionally, too.
However, when running in a more isolated setup (qemu in particular), it works fine
for him. The reason is that there is a small race-window where seen_tc* could turn
into true for various test cases when there is background traffic, e.g. after the
asserts they often get reset. In such case when subsequent detach takes place,
unrelated background traffic could have already flipped the bool to true beforehand.
Add a small helper tc_skel_reset_all_seen() to reset all bools before we do the ping
test. At this point, everything is set up as expected and therefore no race can occur.
All tc_{opts,links} tests continue to pass after this change.
Reported-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
---
.../selftests/bpf/prog_tests/tc_helpers.h | 5 ++
.../selftests/bpf/prog_tests/tc_links.c | 62 +++++++------------
.../selftests/bpf/prog_tests/tc_opts.c | 39 ++++++------
3 files changed, 46 insertions(+), 60 deletions(-)
diff --git a/tools/testing/selftests/bpf/prog_tests/tc_helpers.h b/tools/testing/selftests/bpf/prog_tests/tc_helpers.h
index c88dce27a958..67f985f7d215 100644
--- a/tools/testing/selftests/bpf/prog_tests/tc_helpers.h
+++ b/tools/testing/selftests/bpf/prog_tests/tc_helpers.h
@@ -66,4 +66,9 @@ static inline void assert_mprog_count_ifindex(int ifindex, int target, int expec
__assert_mprog_count(target, expected, ifindex);
}
+static inline void tc_skel_reset_all_seen(struct test_tc_link *skel)
+{
+ memset(skel->bss, 0, sizeof(*skel->bss));
+}
+
#endif /* TC_HELPERS */
diff --git a/tools/testing/selftests/bpf/prog_tests/tc_links.c b/tools/testing/selftests/bpf/prog_tests/tc_links.c
index 073fbdbea968..bc9841144685 100644
--- a/tools/testing/selftests/bpf/prog_tests/tc_links.c
+++ b/tools/testing/selftests/bpf/prog_tests/tc_links.c
@@ -65,6 +65,7 @@ void serial_test_tc_links_basic(void)
ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]");
ASSERT_EQ(optq.link_ids[1], 0, "link_ids[1]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -97,6 +98,7 @@ void serial_test_tc_links_basic(void)
ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]");
ASSERT_EQ(optq.link_ids[1], 0, "link_ids[1]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -187,6 +189,7 @@ static void test_tc_links_before_target(int target)
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
ASSERT_EQ(optq.link_ids[2], 0, "link_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -194,9 +197,6 @@ static void test_tc_links_before_target(int target)
ASSERT_EQ(skel->bss->seen_tc3, false, "seen_tc3");
ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4");
- skel->bss->seen_tc1 = false;
- skel->bss->seen_tc2 = false;
-
LIBBPF_OPTS_RESET(optl,
.flags = BPF_F_BEFORE,
.relative_fd = bpf_program__fd(skel->progs.tc2),
@@ -246,6 +246,7 @@ static void test_tc_links_before_target(int target)
ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]");
ASSERT_EQ(optq.link_ids[4], 0, "link_ids[4]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -342,6 +343,7 @@ static void test_tc_links_after_target(int target)
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
ASSERT_EQ(optq.link_ids[2], 0, "link_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -349,9 +351,6 @@ static void test_tc_links_after_target(int target)
ASSERT_EQ(skel->bss->seen_tc3, false, "seen_tc3");
ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4");
- skel->bss->seen_tc1 = false;
- skel->bss->seen_tc2 = false;
-
LIBBPF_OPTS_RESET(optl,
.flags = BPF_F_AFTER,
.relative_fd = bpf_program__fd(skel->progs.tc1),
@@ -401,6 +400,7 @@ static void test_tc_links_after_target(int target)
ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]");
ASSERT_EQ(optq.link_ids[4], 0, "link_ids[4]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -502,6 +502,7 @@ static void test_tc_links_revision_target(int target)
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
ASSERT_EQ(optq.link_ids[2], 0, "prog_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -581,22 +582,20 @@ static void test_tc_chain_classic(int target, bool chain_tc_old)
assert_mprog_count(target, 2);
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2");
ASSERT_EQ(skel->bss->seen_tc3, chain_tc_old, "seen_tc3");
- skel->bss->seen_tc1 = false;
- skel->bss->seen_tc2 = false;
- skel->bss->seen_tc3 = false;
-
err = bpf_link__detach(skel->links.tc2);
if (!ASSERT_OK(err, "prog_detach"))
goto cleanup;
assert_mprog_count(target, 1);
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -707,16 +706,13 @@ static void test_tc_links_replace_target(int target)
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
ASSERT_EQ(optq.link_ids[2], 0, "link_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2");
ASSERT_EQ(skel->bss->seen_tc3, false, "seen_tc3");
- skel->bss->seen_tc1 = false;
- skel->bss->seen_tc2 = false;
- skel->bss->seen_tc3 = false;
-
LIBBPF_OPTS_RESET(optl,
.flags = BPF_F_REPLACE,
.relative_fd = bpf_program__fd(skel->progs.tc2),
@@ -781,16 +777,13 @@ static void test_tc_links_replace_target(int target)
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
ASSERT_EQ(optq.link_ids[2], 0, "link_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2");
ASSERT_EQ(skel->bss->seen_tc3, true, "seen_tc3");
- skel->bss->seen_tc1 = false;
- skel->bss->seen_tc2 = false;
- skel->bss->seen_tc3 = false;
-
err = bpf_link__detach(skel->links.tc2);
if (!ASSERT_OK(err, "link_detach"))
goto cleanup;
@@ -812,16 +805,13 @@ static void test_tc_links_replace_target(int target)
ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]");
ASSERT_EQ(optq.link_ids[1], 0, "link_ids[1]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2");
ASSERT_EQ(skel->bss->seen_tc3, false, "seen_tc3");
- skel->bss->seen_tc1 = false;
- skel->bss->seen_tc2 = false;
- skel->bss->seen_tc3 = false;
-
err = bpf_link__update_program(skel->links.tc1, skel->progs.tc1);
if (!ASSERT_OK(err, "link_update_self"))
goto cleanup;
@@ -843,6 +833,7 @@ static void test_tc_links_replace_target(int target)
ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]");
ASSERT_EQ(optq.link_ids[1], 0, "link_ids[1]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -1254,6 +1245,7 @@ static void test_tc_links_prepend_target(int target)
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
ASSERT_EQ(optq.link_ids[2], 0, "link_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -1261,9 +1253,6 @@ static void test_tc_links_prepend_target(int target)
ASSERT_EQ(skel->bss->seen_tc3, false, "seen_tc3");
ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4");
- skel->bss->seen_tc1 = false;
- skel->bss->seen_tc2 = false;
-
LIBBPF_OPTS_RESET(optl,
.flags = BPF_F_BEFORE,
);
@@ -1311,6 +1300,7 @@ static void test_tc_links_prepend_target(int target)
ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]");
ASSERT_EQ(optq.link_ids[4], 0, "link_ids[4]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -1411,6 +1401,7 @@ static void test_tc_links_append_target(int target)
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
ASSERT_EQ(optq.link_ids[2], 0, "link_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -1418,9 +1409,6 @@ static void test_tc_links_append_target(int target)
ASSERT_EQ(skel->bss->seen_tc3, false, "seen_tc3");
ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4");
- skel->bss->seen_tc1 = false;
- skel->bss->seen_tc2 = false;
-
LIBBPF_OPTS_RESET(optl,
.flags = BPF_F_AFTER,
);
@@ -1468,6 +1456,7 @@ static void test_tc_links_append_target(int target)
ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]");
ASSERT_EQ(optq.link_ids[4], 0, "link_ids[4]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -1637,38 +1626,33 @@ static void test_tc_chain_mixed(int target)
assert_mprog_count(target, 1);
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4");
ASSERT_EQ(skel->bss->seen_tc5, false, "seen_tc5");
ASSERT_EQ(skel->bss->seen_tc6, true, "seen_tc6");
- skel->bss->seen_tc4 = false;
- skel->bss->seen_tc5 = false;
- skel->bss->seen_tc6 = false;
-
err = bpf_link__update_program(skel->links.tc6, skel->progs.tc4);
if (!ASSERT_OK(err, "link_update"))
goto cleanup;
assert_mprog_count(target, 1);
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc4, true, "seen_tc4");
ASSERT_EQ(skel->bss->seen_tc5, true, "seen_tc5");
ASSERT_EQ(skel->bss->seen_tc6, false, "seen_tc6");
- skel->bss->seen_tc4 = false;
- skel->bss->seen_tc5 = false;
- skel->bss->seen_tc6 = false;
-
err = bpf_link__detach(skel->links.tc6);
if (!ASSERT_OK(err, "prog_detach"))
goto cleanup;
assert_mprog_count(target, 0);
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4");
@@ -1758,22 +1742,20 @@ static void test_tc_links_ingress(int target, bool chain_tc_old,
assert_mprog_count(target, 2);
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2");
ASSERT_EQ(skel->bss->seen_tc3, chain_tc_old, "seen_tc3");
- skel->bss->seen_tc1 = false;
- skel->bss->seen_tc2 = false;
- skel->bss->seen_tc3 = false;
-
err = bpf_link__detach(skel->links.tc2);
if (!ASSERT_OK(err, "prog_detach"))
goto cleanup;
assert_mprog_count(target, 1);
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
diff --git a/tools/testing/selftests/bpf/prog_tests/tc_opts.c b/tools/testing/selftests/bpf/prog_tests/tc_opts.c
index ba91b0226839..ca506d2fcf58 100644
--- a/tools/testing/selftests/bpf/prog_tests/tc_opts.c
+++ b/tools/testing/selftests/bpf/prog_tests/tc_opts.c
@@ -59,6 +59,7 @@ void serial_test_tc_opts_basic(void)
ASSERT_EQ(optq.prog_ids[0], id1, "prog_ids[0]");
ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -83,6 +84,7 @@ void serial_test_tc_opts_basic(void)
ASSERT_EQ(optq.prog_ids[0], id2, "prog_ids[0]");
ASSERT_EQ(optq.prog_ids[1], 0, "prog_ids[1]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -163,6 +165,7 @@ static void test_tc_opts_before_target(int target)
ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]");
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -219,6 +222,7 @@ static void test_tc_opts_before_target(int target)
ASSERT_EQ(optq.prog_ids[3], id2, "prog_ids[3]");
ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -313,6 +317,7 @@ static void test_tc_opts_after_target(int target)
ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]");
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -369,6 +374,7 @@ static void test_tc_opts_after_target(int target)
ASSERT_EQ(optq.prog_ids[3], id4, "prog_ids[3]");
ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -514,6 +520,7 @@ static void test_tc_opts_revision_target(int target)
ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]");
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -608,22 +615,20 @@ static void test_tc_chain_classic(int target, bool chain_tc_old)
assert_mprog_count(target, 2);
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2");
ASSERT_EQ(skel->bss->seen_tc3, chain_tc_old, "seen_tc3");
- skel->bss->seen_tc1 = false;
- skel->bss->seen_tc2 = false;
- skel->bss->seen_tc3 = false;
-
err = bpf_prog_detach_opts(fd2, loopback, target, &optd);
if (!ASSERT_OK(err, "prog_detach"))
goto cleanup_detach;
assert_mprog_count(target, 1);
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -730,16 +735,13 @@ static void test_tc_opts_replace_target(int target)
ASSERT_EQ(optq.prog_attach_flags[1], 0, "prog_flags[1]");
ASSERT_EQ(optq.prog_attach_flags[2], 0, "prog_flags[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
ASSERT_EQ(skel->bss->seen_tc2, true, "seen_tc2");
ASSERT_EQ(skel->bss->seen_tc3, false, "seen_tc3");
- skel->bss->seen_tc1 = false;
- skel->bss->seen_tc2 = false;
- skel->bss->seen_tc3 = false;
-
LIBBPF_OPTS_RESET(opta,
.flags = BPF_F_REPLACE,
.replace_prog_fd = fd2,
@@ -767,16 +769,13 @@ static void test_tc_opts_replace_target(int target)
ASSERT_EQ(optq.prog_ids[1], id1, "prog_ids[1]");
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
ASSERT_EQ(skel->bss->seen_tc2, false, "seen_tc2");
ASSERT_EQ(skel->bss->seen_tc3, true, "seen_tc3");
- skel->bss->seen_tc1 = false;
- skel->bss->seen_tc2 = false;
- skel->bss->seen_tc3 = false;
-
LIBBPF_OPTS_RESET(opta,
.flags = BPF_F_REPLACE | BPF_F_BEFORE,
.replace_prog_fd = fd3,
@@ -805,6 +804,7 @@ static void test_tc_opts_replace_target(int target)
ASSERT_EQ(optq.prog_ids[1], id1, "prog_ids[1]");
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -1084,6 +1084,7 @@ static void test_tc_opts_prepend_target(int target)
ASSERT_EQ(optq.prog_ids[1], id1, "prog_ids[1]");
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -1124,6 +1125,7 @@ static void test_tc_opts_prepend_target(int target)
ASSERT_EQ(optq.prog_ids[3], id1, "prog_ids[3]");
ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -1222,6 +1224,7 @@ static void test_tc_opts_append_target(int target)
ASSERT_EQ(optq.prog_ids[1], id2, "prog_ids[1]");
ASSERT_EQ(optq.prog_ids[2], 0, "prog_ids[2]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -1262,6 +1265,7 @@ static void test_tc_opts_append_target(int target)
ASSERT_EQ(optq.prog_ids[3], id4, "prog_ids[3]");
ASSERT_EQ(optq.prog_ids[4], 0, "prog_ids[4]");
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc1, true, "seen_tc1");
@@ -2316,16 +2320,13 @@ static void test_tc_chain_mixed(int target)
assert_mprog_count(target, 1);
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4");
ASSERT_EQ(skel->bss->seen_tc5, false, "seen_tc5");
ASSERT_EQ(skel->bss->seen_tc6, true, "seen_tc6");
- skel->bss->seen_tc4 = false;
- skel->bss->seen_tc5 = false;
- skel->bss->seen_tc6 = false;
-
LIBBPF_OPTS_RESET(opta,
.flags = BPF_F_REPLACE,
.replace_prog_fd = fd3,
@@ -2339,21 +2340,19 @@ static void test_tc_chain_mixed(int target)
assert_mprog_count(target, 1);
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc4, true, "seen_tc4");
ASSERT_EQ(skel->bss->seen_tc5, true, "seen_tc5");
ASSERT_EQ(skel->bss->seen_tc6, false, "seen_tc6");
- skel->bss->seen_tc4 = false;
- skel->bss->seen_tc5 = false;
- skel->bss->seen_tc6 = false;
-
cleanup_opts:
err = bpf_prog_detach_opts(detach_fd, loopback, target, &optd);
ASSERT_OK(err, "prog_detach");
assert_mprog_count(target, 0);
+ tc_skel_reset_all_seen(skel);
ASSERT_OK(system(ping_cmd), ping_cmd);
ASSERT_EQ(skel->bss->seen_tc4, false, "seen_tc4");
--
2.34.1
next prev parent reply other threads:[~2023-10-06 22:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-06 22:06 [PATCH bpf 1/7] bpf: Fix BPF_PROG_QUERY last field check Daniel Borkmann
2023-10-06 22:06 ` [PATCH bpf 2/7] bpf: Handle bpf_mprog_query with NULL entry Daniel Borkmann
2023-10-06 22:06 ` [PATCH bpf 3/7] bpf: Refuse unused attributes in bpf_prog_{attach,detach} Daniel Borkmann
2023-10-06 22:06 ` [PATCH bpf 4/7] selftests/bpf: Test bpf_mprog query API via libbpf and raw syscall Daniel Borkmann
2023-10-06 22:06 ` [PATCH bpf 5/7] selftests/bpf: Adapt assert_mprog_count to always expect 0 count Daniel Borkmann
2023-10-06 22:06 ` [PATCH bpf 6/7] selftests/bpf: Test query on empty mprog and pass revision into attach Daniel Borkmann
2023-10-06 22:06 ` Daniel Borkmann [this message]
2023-10-07 5:20 ` [PATCH bpf 1/7] bpf: Fix BPF_PROG_QUERY last field check patchwork-bot+netdevbpf
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