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samples/bpf: add map_flags to bpf loader

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note old loader is compatible with new kernel.
map_flags are optional

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexei Starovoitov
2016-03-07 21:57:20 -08:00
committed by David S. Miller
parent 3622e7e493
commit 89b9760701
8 changed files with 23 additions and 15 deletions
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samples/bpf/bpf_helpers.h
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@@ -61,6 +61,7 @@ struct bpf_map_def {
unsigned int key_size;
unsigned int value_size;
unsigned int max_entries;
unsigned int map_flags;
};
static int (*bpf_skb_store_bytes)(void *ctx, int off, void *from, int len, int flags) =