[PATCH bpf-next v3 7/7] selftests/bpf: test fsession mixed with fentry and fexit

[Menglong Dong]

Test the fsession when it is used together with fentry, fexit.

Signed-off-by: Menglong Dong <dong...@chinatelecom.cn>
---
 .../selftests/bpf/progs/fsession_test.c       | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/tools/testing/selftests/bpf/progs/fsession_test.c 
b/tools/testing/selftests/bpf/progs/fsession_test.c
index 8f266d8e4b55..f78348e541a4 100644
--- a/tools/testing/selftests/bpf/progs/fsession_test.c
+++ b/tools/testing/selftests/bpf/progs/fsession_test.c
@@ -228,3 +228,37 @@ int BPF_PROG(test12, int a)
                test12_exit_ok = *cookie == 0x1111222233334444ull;
        return 0;
 }
+
+__u64 test13_entry_result = 0;
+__u64 test13_exit_result = 0;
+
+SEC("fsession/bpf_fentry_test1")
+int BPF_PROG(test13, int a, int ret)
+{
+       __u64 *cookie = bpf_fsession_cookie(ctx);
+
+       if (!bpf_tracing_is_exit(ctx)) {
+               test13_entry_result = a == 1 && ret == 0;
+               *cookie = 0x123456ULL;
+               return 0;
+       }
+
+       test13_exit_result = a == 1 && ret == 2 && *cookie == 0x123456ULL;
+       return 0;
+}
+
+__u64 test14_result = 0;
+SEC("fexit/bpf_fentry_test1")
+int BPF_PROG(test14, int a, int ret)
+{
+       test14_result = a == 1 && ret == 2;
+       return 0;
+}
+
+__u64 test15_result = 0;
+SEC("fentry/bpf_fentry_test1")
+int BPF_PROG(test15, int a)
+{
+       test15_result = a == 1;
+       return 0;
+}
-- 
2.51.1