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bd4aed0ee7
At the moment, all kernel bpf objects are listed under BPF_OBJ_FILES. Listing them manually sometimes causing patch conflict when people are adding new testcases simultaneously. It is better to centre all the related source files under a subdir "progs", then auto-generate the object file list. Suggested-by: Alexei Starovoitov <ast@kernel.org> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Jiong Wang <jiong.wang@netronome.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
50 lines
1.0 KiB
C
50 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/* Copyright (c) 2018 Facebook */
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#include <stddef.h>
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#include <linux/bpf.h>
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#include <linux/types.h>
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#include "bpf_helpers.h"
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struct bpf_map_def SEC("maps") mim_array = {
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.type = BPF_MAP_TYPE_ARRAY_OF_MAPS,
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.key_size = sizeof(int),
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/* must be sizeof(__u32) for map in map */
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.value_size = sizeof(__u32),
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.max_entries = 1,
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.map_flags = 0,
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};
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struct bpf_map_def SEC("maps") mim_hash = {
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.type = BPF_MAP_TYPE_HASH_OF_MAPS,
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.key_size = sizeof(int),
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/* must be sizeof(__u32) for map in map */
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.value_size = sizeof(__u32),
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.max_entries = 1,
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.map_flags = 0,
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};
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SEC("xdp_mimtest")
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int xdp_mimtest0(struct xdp_md *ctx)
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{
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int value = 123;
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int key = 0;
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void *map;
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map = bpf_map_lookup_elem(&mim_array, &key);
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if (!map)
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return XDP_DROP;
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bpf_map_update_elem(map, &key, &value, 0);
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map = bpf_map_lookup_elem(&mim_hash, &key);
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if (!map)
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return XDP_DROP;
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bpf_map_update_elem(map, &key, &value, 0);
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return XDP_PASS;
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}
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int _version SEC("version") = 1;
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char _license[] SEC("license") = "GPL";
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