// 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_tracing_net.h"
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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char _license[] SEC("license") = "GPL";
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struct {
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__uint(type, BPF_MAP_TYPE_SK_STORAGE);
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__uint(map_flags, BPF_F_NO_PREALLOC);
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__type(key, int);
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__type(value, int);
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} sk_stg_map SEC(".maps");
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__u32 val_sum = 0;
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__u32 ipv6_sk_count = 0;
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SEC("iter/bpf_sk_storage_map")
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int dump_bpf_sk_storage_map(struct bpf_iter__bpf_sk_storage_map *ctx)
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{
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struct sock *sk = ctx->sk;
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__u32 *val = ctx->value;
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if (sk == (void *)0 || val == (void *)0)
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return 0;
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if (sk->sk_family == AF_INET6)
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ipv6_sk_count++;
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val_sum += *val;
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return 0;
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}
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