diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/test_ns_current_pid_tgid.c')
| -rw-r--r-- | tools/testing/selftests/bpf/progs/test_ns_current_pid_tgid.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/tools/testing/selftests/bpf/progs/test_ns_current_pid_tgid.c b/tools/testing/selftests/bpf/progs/test_ns_current_pid_tgid.c index 0763d49f9c42..386315afad65 100644 --- a/tools/testing/selftests/bpf/progs/test_ns_current_pid_tgid.c +++ b/tools/testing/selftests/bpf/progs/test_ns_current_pid_tgid.c @@ -5,23 +5,48 @@ #include <stdint.h> #include <bpf/bpf_helpers.h> +struct { + __uint(type, BPF_MAP_TYPE_SOCKMAP); + __uint(max_entries, 2); + __type(key, __u32); + __type(value, __u32); +} sock_map SEC(".maps"); + __u64 user_pid = 0; __u64 user_tgid = 0; __u64 dev = 0; __u64 ino = 0; -SEC("tracepoint/syscalls/sys_enter_nanosleep") -int handler(const void *ctx) +static void get_pid_tgid(void) { struct bpf_pidns_info nsdata; if (bpf_get_ns_current_pid_tgid(dev, ino, &nsdata, sizeof(struct bpf_pidns_info))) - return 0; + return; user_pid = nsdata.pid; user_tgid = nsdata.tgid; +} +SEC("?tracepoint/syscalls/sys_enter_nanosleep") +int tp_handler(const void *ctx) +{ + get_pid_tgid(); return 0; } +SEC("?cgroup/bind4") +int cgroup_bind4(struct bpf_sock_addr *ctx) +{ + get_pid_tgid(); + return 1; +} + +SEC("?sk_msg") +int sk_msg(struct sk_msg_md *msg) +{ + get_pid_tgid(); + return SK_PASS; +} + char _license[] SEC("license") = "GPL"; |