[PATCH bpf-next v5 6/7] selftests/bpf: add tests for verdict skmsg to itself

[Liu Jian <liujian56@xxxxxxxxxx>]

Add tests for verdict skmsg to itself in sockmap_basic.c

Signed-off-by: Liu Jian <liujian56@xxxxxxxxxx>
---
 .../selftests/bpf/prog_tests/sockmap_basic.c  | 32 +++++++++++++------
 1 file changed, 23 insertions(+), 9 deletions(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
index 1a29e76fe29f..1fcfa30720c6 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_basic.c
@@ -476,7 +476,7 @@ static void test_sockmap_skb_verdict_fionread(bool pass_prog)
 		test_sockmap_drop_prog__destroy(drop);
 }
 
-static void test_sockmap_msg_verdict(bool is_ingress, bool is_permanent)
+static void test_sockmap_msg_verdict(bool is_ingress, bool is_permanent, bool is_self)
 {
 	int key, sent, recvd, recv_fd;
 	int err, map, verdict, s, c0, c1, p0, p1;
@@ -519,13 +519,23 @@ static void test_sockmap_msg_verdict(bool is_ingress, bool is_permanent)
 		goto out_close;
 
 	if (is_ingress) {
-		recv_fd = c1;
 		skel->bss->skmsg_redir_flags = BPF_F_INGRESS;
-		skel->bss->skmsg_redir_key = 1;
+		if (is_self) {
+			skel->bss->skmsg_redir_key = 0;
+			recv_fd = p1;
+		} else {
+			skel->bss->skmsg_redir_key = 1;
+			recv_fd = c1;
+		}
 	} else {
-		recv_fd = c0;
 		skel->bss->skmsg_redir_flags = 0;
-		skel->bss->skmsg_redir_key = 2;
+		if (is_self) {
+			skel->bss->skmsg_redir_key = 0;
+			recv_fd = c1;
+		} else {
+			skel->bss->skmsg_redir_key = 2;
+			recv_fd = c0;
+		}
 	}
 
 	if (is_permanent)
@@ -590,11 +600,15 @@ void test_sockmap_basic(void)
 	if (test__start_subtest("sockmap skb_verdict fionread on drop"))
 		test_sockmap_skb_verdict_fionread(false);
 	if (test__start_subtest("sockmap msg_verdict"))
-		test_sockmap_msg_verdict(false, false);
+		test_sockmap_msg_verdict(false, false, false);
 	if (test__start_subtest("sockmap msg_verdict ingress"))
-		test_sockmap_msg_verdict(true, false);
+		test_sockmap_msg_verdict(true, false, false);
 	if (test__start_subtest("sockmap msg_verdict permanent"))
-		test_sockmap_msg_verdict(false, true);
+		test_sockmap_msg_verdict(false, true, false);
 	if (test__start_subtest("sockmap msg_verdict ingress permanent"))
-		test_sockmap_msg_verdict(true, true);
+		test_sockmap_msg_verdict(true, true, false);
+	if (test__start_subtest("sockmap msg_verdict permanent self"))
+		test_sockmap_msg_verdict(false, true, true);
+	if (test__start_subtest("sockmap msg_verdict ingress permanent self"))
+		test_sockmap_msg_verdict(true, true, true);
 }
-- 
2.34.1