linux/tools/testing/selftests/bpf/progs/test_sockmap_invalid_update.c

24 lines
453 B
C

// 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";