From a5580c7f7a6d078696458d283df5d6547ad1c740 Mon Sep 17 00:00:00 2001
From: Joe Stringer <joe@ovn.org>
Date: Thu, 8 Dec 2016 18:46:16 -0800
Subject: 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>
---
 tools/lib/bpf/bpf.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'tools/lib/bpf/bpf.h')

diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h
index 6113017..7fcdce1 100644
--- a/tools/lib/bpf/bpf.h
+++ b/tools/lib/bpf/bpf.h
@@ -24,7 +24,7 @@
 #include <linux/bpf.h>
 
 int bpf_create_map(enum bpf_map_type map_type, int key_size, int value_size,
-		   int max_entries);
+		   int max_entries, __u32 map_flags);
 
 /* Recommend log buffer size */
 #define BPF_LOG_BUF_SIZE 65536
-- 
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