File: test_sockmap_invalid_update.c

package info (click to toggle)
linux 5.10.13-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,182,916 kB
  • sloc: ansic: 19,488,074; asm: 263,676; sh: 73,873; makefile: 44,685; perl: 34,640; python: 32,386; cpp: 6,070; yacc: 4,755; lex: 2,742; awk: 1,214; ruby: 25; sed: 5
file content (23 lines) | stat: -rw-r--r-- 453 bytes parent folder | download | duplicates (22) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2020 Cloudflare
#include "vmlinux.h"
#include <bpf/bpf_helpers.h>

struct {
	__uint(type, BPF_MAP_TYPE_SOCKMAP);
	__uint(max_entries, 1);
	__type(key, __u32);
	__type(value, __u64);
} map SEC(".maps");

SEC("sockops")
int bpf_sockmap(struct bpf_sock_ops *skops)
{
	__u32 key = 0;

	if (skops->sk)
		bpf_map_update_elem(&map, &key, skops->sk, 0);
	return 0;
}

char _license[] SEC("license") = "GPL";