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