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| author | Joe Stringer <joe@ovn.org> | 2016-12-09 03:46:16 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-12-15 20:25:47 +0100 |
| commit | a5580c7f7a6d078696458d283df5d6547ad1c740 (patch) | |
| tree | 68c3e9b629a16ef97af98fd6eadb4bead6eafaa0 /tools/lib/bpf/libbpf.c | |
| parent | tools lib bpf: use __u32 from linux/types.h (diff) | |
| download | linux-a5580c7f7a6d078696458d283df5d6547ad1c740.tar.xz linux-a5580c7f7a6d078696458d283df5d6547ad1c740.zip | |
tools lib bpf: Add flags to bpf_create_map()
Commit 6c905981743 ("bpf: pre-allocate hash map elements") introduces
map_flags to bpf_attr for BPF_MAP_CREATE command. Expose this new
parameter in libbpf.
By exposing it, users can access flags such as whether or not to
preallocate the map.
Signed-off-by: Joe Stringer <joe@ovn.org>
Acked-by: Wang Nan <wangnan0@huawei.com>
Cc: Alexei Starovoitov <ast@fb.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Link: http://lkml.kernel.org/r/20161209024620.31660-4-joe@ovn.org
[ Added clarifying comment made by Wang Nan ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | tools/lib/bpf/libbpf.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c index 2e974593f3e8..84e6b35da4bd 100644 --- a/tools/lib/bpf/libbpf.c +++ b/tools/lib/bpf/libbpf.c @@ -854,7 +854,8 @@ bpf_object__create_maps(struct bpf_object *obj) *pfd = bpf_create_map(def->type, def->key_size, def->value_size, - def->max_entries); + def->max_entries, + 0); if (*pfd < 0) { size_t j; int err = *pfd; |