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selftests/bpf: samples/bpf: Split off legacy stuff from bpf_helpers.h

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Split off few legacy things from bpf_helpers.h into separate
bpf_legacy.h file:
- load_{byte|half|word};
- remove extra inner_idx and numa_node fields from bpf_map_def and
  introduce bpf_map_def_legacy for use in samples;
- move BPF_ANNOTATE_KV_PAIR into bpf_legacy.h.

Adjust samples and selftests accordingly by either including
bpf_legacy.h and using bpf_map_def_legacy, or switching to BTF-defined
maps altogether.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20191008175942.1769476-3-andriin@fb.com
This commit is contained in:
Andrii Nakryiko 2019-10-08 10:59:37 -07:00 • committed by Daniel Borkmann
parent cf0e9718da
commit 36b5d47113
14 changed files with 90 additions and 69 deletions
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1
samples/bpf/parse_ldabs.c
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@ -12,6 +12,7 @@
#include <linux/udp.h>
#include <uapi/linux/bpf.h>
#include "bpf_helpers.h"
#include "bpf_legacy.h"
#define DEFAULT_PKTGEN_UDP_PORT 9
#define IP_MF 0x2000