diff mbox series

[bpf-next,v3,2/3] selftests/bpf: Add connmark read test

Message ID 912801642acb4ec3719a46af723accd775a2ecd5.1660173222.git.dxu@dxuuu.xyz (mailing list archive)
State Superseded
Delegated to: BPF
Headers show
Series Add more bpf_*_ct_lookup() selftests | expand

Checks

Context Check Description
bpf/vmtest-bpf-next-VM_Test-3 success Logs for Kernel LATEST on z15 with gcc
bpf/vmtest-bpf-next-PR success PR summary
bpf/vmtest-bpf-next-VM_Test-1 success Logs for Kernel LATEST on ubuntu-latest with gcc
bpf/vmtest-bpf-next-VM_Test-2 success Logs for Kernel LATEST on ubuntu-latest with llvm-16
netdev/tree_selection success Clearly marked for bpf-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers warning 13 maintainers not CCed: john.fastabend@gmail.com song@kernel.org sdf@google.com martin.lau@linux.dev linux-kselftest@vger.kernel.org kpsingh@kernel.org lorenzo@kernel.org jolsa@kernel.org mykolal@fb.com shuah@kernel.org delyank@fb.com haoluo@google.com yhs@fb.com
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch warning WARNING: line length of 91 exceeds 80 columns WARNING: line length of 99 exceeds 80 columns
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Daniel Xu Aug. 10, 2022, 11:16 p.m. UTC 
Test that the prog can read from the connection mark. This test is nice
because it ensures progs can interact with netfilter subsystem
correctly.

Signed-off-by: Daniel Xu <dxu@dxuuu.xyz>
---
 tools/testing/selftests/bpf/prog_tests/bpf_nf.c | 3 ++-
 tools/testing/selftests/bpf/progs/test_bpf_nf.c | 3 +++
 2 files changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/tools/testing/selftests/bpf/prog_tests/bpf_nf.c b/tools/testing/selftests/bpf/prog_tests/bpf_nf.c
index 317978cac029..7232f6dcd252 100644
--- a/tools/testing/selftests/bpf/prog_tests/bpf_nf.c
+++ b/tools/testing/selftests/bpf/prog_tests/bpf_nf.c
@@ -44,7 +44,7 @@  static int connect_to_server(int srv_fd)
 
 static void test_bpf_nf_ct(int mode)
 {
-	const char *iptables = "iptables -t raw %s PREROUTING -j CT";
+	const char *iptables = "iptables -t raw %s PREROUTING -j CONNMARK --set-mark 42/0";
 	int srv_fd = -1, client_fd = -1, srv_client_fd = -1;
 	struct sockaddr_in peer_addr = {};
 	struct test_bpf_nf *skel;
@@ -114,6 +114,7 @@  static void test_bpf_nf_ct(int mode)
 	/* expected status is IPS_SEEN_REPLY */
 	ASSERT_EQ(skel->bss->test_status, 2, "Test for ct status update ");
 	ASSERT_EQ(skel->data->test_exist_lookup, 0, "Test existing connection lookup");
+	ASSERT_EQ(skel->bss->test_exist_lookup_mark, 43, "Test existing connection lookup ctmark");
 end:
 	if (srv_client_fd != -1)
 		close(srv_client_fd);
diff --git a/tools/testing/selftests/bpf/progs/test_bpf_nf.c b/tools/testing/selftests/bpf/progs/test_bpf_nf.c
index 84e0fd479794..2722441850cc 100644
--- a/tools/testing/selftests/bpf/progs/test_bpf_nf.c
+++ b/tools/testing/selftests/bpf/progs/test_bpf_nf.c
@@ -28,6 +28,7 @@  __be16 sport = 0;
 __be32 daddr = 0;
 __be16 dport = 0;
 int test_exist_lookup = -ENOENT;
+u32 test_exist_lookup_mark = 0;
 
 struct nf_conn;
 
@@ -174,6 +175,8 @@  nf_ct_test(struct nf_conn *(*lookup_fn)(void *, struct bpf_sock_tuple *, u32,
 		       sizeof(opts_def));
 	if (ct) {
 		test_exist_lookup = 0;
+		if (ct->mark == 42)
+			test_exist_lookup_mark = 43;
 		bpf_ct_release(ct);
 	} else {
 		test_exist_lookup = opts_def.error;