Contributors: 3
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Nikita V. Shirokov |
158 |
61.48% |
1 |
33.33% |
| Andrii Nakryiko |
72 |
28.02% |
1 |
33.33% |
| Yonghong Song |
27 |
10.51% |
1 |
33.33% |
| Total |
257 |
|
3 |
|
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018 Facebook */
#include <stddef.h>
#include <linux/bpf.h>
#include <linux/types.h>
#include "bpf_helpers.h"
struct {
__uint(type, BPF_MAP_TYPE_ARRAY_OF_MAPS);
__uint(max_entries, 1);
__uint(map_flags, 0);
__uint(key_size, sizeof(__u32));
/* must be sizeof(__u32) for map in map */
__uint(value_size, sizeof(__u32));
} mim_array SEC(".maps");
struct {
__uint(type, BPF_MAP_TYPE_HASH_OF_MAPS);
__uint(max_entries, 1);
__uint(map_flags, 0);
__uint(key_size, sizeof(int));
/* must be sizeof(__u32) for map in map */
__uint(value_size, sizeof(__u32));
} mim_hash SEC(".maps");
SEC("xdp_mimtest")
int xdp_mimtest0(struct xdp_md *ctx)
{
int value = 123;
int *value_p;
int key = 0;
void *map;
map = bpf_map_lookup_elem(&mim_array, &key);
if (!map)
return XDP_DROP;
bpf_map_update_elem(map, &key, &value, 0);
value_p = bpf_map_lookup_elem(map, &key);
if (!value_p || *value_p != 123)
return XDP_DROP;
map = bpf_map_lookup_elem(&mim_hash, &key);
if (!map)
return XDP_DROP;
bpf_map_update_elem(map, &key, &value, 0);
return XDP_PASS;
}
int _version SEC("version") = 1;
char _license[] SEC("license") = "GPL";