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20 lines
372 B
C
20 lines
372 B
C
#include "vmlinux.h"
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#include <bpf/bpf_endian.h>
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#include <bpf/bpf_helpers.h>
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#define LOCALHOST_IPV4 16777343
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struct sock_key {
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__u32 sip;
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__u32 dip;
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__u32 sport;
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__u32 dport;
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__u32 family;
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};
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struct {
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__uint(type, BPF_MAP_TYPE_SOCKHASH);
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__uint(max_entries, 65535);
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__type(key, struct sock_key);
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__type(value, int);
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} sock_ops_map SEC(".maps"); |