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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
#include <vmlinux.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;
}
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