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selftests/bpf: add btf annotations for cgroup_local_storage maps 

Add btf annotations to cgroup local storage maps (per-cpu and shared)
in the network packet counting example.

Signed-off-by: Roman Gushchin <guro@fb.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
This commit is contained in:
Roman Gushchin 2018-12-10 15:43:02 -08:00 committed by Alexei Starovoitov
parent 9a1126b631
commit 8f9a8a6193
1 changed files with 6 additions and 0 deletions
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6
tools/testing/selftests/bpf/netcnt_prog.c
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@ -16,12 +16,18 @@ struct bpf_map_def SEC("maps") percpu_netcnt = {
.value_size = sizeof(struct percpu_net_cnt),
};
BPF_ANNOTATE_KV_PAIR(percpu_netcnt, struct bpf_cgroup_storage_key,
struct percpu_net_cnt);
struct bpf_map_def SEC("maps") netcnt = {
.type = BPF_MAP_TYPE_CGROUP_STORAGE,
.key_size = sizeof(struct bpf_cgroup_storage_key),
.value_size = sizeof(struct net_cnt),
};
BPF_ANNOTATE_KV_PAIR(netcnt, struct bpf_cgroup_storage_key,
struct net_cnt);
SEC("cgroup/skb")
int bpf_nextcnt(struct __sk_buff *skb)
{