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Diffstat (limited to 'tools/testing/selftests/bpf/progs/nested_trust_success.c')
-rw-r--r--tools/testing/selftests/bpf/progs/nested_trust_success.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/nested_trust_success.c b/tools/testing/selftests/bpf/progs/nested_trust_success.c
index 886ade4aa99d..833840bffd3b 100644
--- a/tools/testing/selftests/bpf/progs/nested_trust_success.c
+++ b/tools/testing/selftests/bpf/progs/nested_trust_success.c
@@ -10,6 +10,13 @@
char _license[] SEC("license") = "GPL";
+struct {
+ __uint(type, BPF_MAP_TYPE_SK_STORAGE);
+ __uint(map_flags, BPF_F_NO_PREALLOC);
+ __type(key, int);
+ __type(value, u64);
+} sk_storage_map SEC(".maps");
+
SEC("tp_btf/task_newtask")
__success
int BPF_PROG(test_read_cpumask, struct task_struct *task, u64 clone_flags)
@@ -17,3 +24,11 @@ int BPF_PROG(test_read_cpumask, struct task_struct *task, u64 clone_flags)
bpf_cpumask_test_cpu(0, task->cpus_ptr);
return 0;
}
+
+SEC("tp_btf/tcp_probe")
+__success
+int BPF_PROG(test_skb_field, struct sock *sk, struct sk_buff *skb)
+{
+ bpf_sk_storage_get(&sk_storage_map, skb->sk, 0, 0);
+ return 0;
+}