// SPDX-License-Identifier: GPL-2.0
|
/* Copyright (c) 2020 Facebook */
|
#include "bpf_iter.h"
|
#include <bpf/bpf_helpers.h>
|
|
char _license[] SEC("license") = "GPL";
|
|
__u32 value_sum = 0;
|
|
SEC("iter/bpf_map_elem")
|
int dump_bpf_hash_map(struct bpf_iter__bpf_map_elem *ctx)
|
{
|
void *value = ctx->value;
|
|
if (value == (void *)0)
|
return 0;
|
|
/* negative offset, verifier failure. */
|
value_sum += *(__u32 *)(value - 4);
|
return 0;
|
}
|
