[Patch bpf-next v2 5/5] selftests/bpf: add timeout map check in map_ptr tests

[Cong Wang]

From: Cong Wang <cong.w...@bytedance.com>

Similar to regular hashmap test.

Cc: Andrey Ignatov <r...@fb.com>
Cc: Alexei Starovoitov <a...@kernel.org>
Cc: Daniel Borkmann <dan...@iogearbox.net>
Cc: Dongdong Wang <wangdongdon...@bytedance.com>
Signed-off-by: Cong Wang <cong.w...@bytedance.com>
---
 .../selftests/bpf/progs/map_ptr_kern.c        | 20 +++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/tools/testing/selftests/bpf/progs/map_ptr_kern.c 
b/tools/testing/selftests/bpf/progs/map_ptr_kern.c
index 34f9880a1903..f158b4f7e6c8 100644
--- a/tools/testing/selftests/bpf/progs/map_ptr_kern.c
+++ b/tools/testing/selftests/bpf/progs/map_ptr_kern.c
@@ -648,6 +648,25 @@ static inline int check_ringbuf(void)
        return 1;
 }
 
+struct {
+       __uint(type, BPF_MAP_TYPE_TIMEOUT_HASH);
+       __uint(max_entries, MAX_ENTRIES);
+       __type(key, __u32);
+       __type(value, __u32);
+} m_timeout SEC(".maps");
+
+static inline int check_timeout_hash(void)
+{
+       struct bpf_htab *timeout_hash = (struct bpf_htab *)&m_timeout;
+       struct bpf_map *map = (struct bpf_map *)&m_timeout;
+
+       VERIFY(check_default(&timeout_hash->map, map));
+       VERIFY(timeout_hash->n_buckets == MAX_ENTRIES);
+       VERIFY(timeout_hash->elem_size == 72);
+
+       return 1;
+}
+
 SEC("cgroup_skb/egress")
 int cg_skb(void *ctx)
 {
@@ -679,6 +698,7 @@ int cg_skb(void *ctx)
        VERIFY_TYPE(BPF_MAP_TYPE_SK_STORAGE, check_sk_storage);
        VERIFY_TYPE(BPF_MAP_TYPE_DEVMAP_HASH, check_devmap_hash);
        VERIFY_TYPE(BPF_MAP_TYPE_RINGBUF, check_ringbuf);
+       VERIFY_TYPE(BPF_MAP_TYPE_TIMEOUT_HASH, check_timeout_hash);
 
        return 1;
 }
-- 
2.25.1