[Patch bpf-next v2 5/5] selftests/bpf: add timeout map check in map_ptr tests
From: Cong Wang <hidden>
Date: 2020-12-14 20:12:39
Also in:
bpf
Subsystem:
bpf [general] (safe dynamic programs and tools), bpf [selftests] (test runners & infrastructure), kernel selftest framework, the rest · Maintainers:
Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko, Eduard Zingerman, Kumar Kartikeya Dwivedi, Shuah Khan, Linus Torvalds
From: Cong Wang <redacted> Similar to regular hashmap test. Cc: Andrey Ignatov <redacted> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Dongdong Wang <redacted> Signed-off-by: Cong Wang <redacted> --- .../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; }
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2.25.1