libbpf: use map_flags when creating maps

This is required to use BPF_MAP_TYPE_LPM_TRIE or any other map type
which requires flags.

Signed-off-by: Craig Gallek <kraig@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 2 insertions, 1 deletions

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 23152890ec60..5aa45f89da93 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -942,7 +942,7 @@ bpf_object__create_maps(struct bpf_object *obj)
                                            def->key_size,
                                            def->value_size,
                                            def->max_entries,
-                                           0);
+                                           def->map_flags);
                 if (*pfd < 0) {
                         size_t j;
                         int err = *pfd;
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index 7959086eb9c9..6e20003109e0 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -207,6 +207,7 @@ struct bpf_map_def {
         unsigned int key_size;
         unsigned int value_size;
         unsigned int max_entries;
+        unsigned int map_flags;
 };
 
 /*