47 строки
1.4 KiB
C
47 строки
1.4 KiB
C
// Copyright (c) Microsoft Corporation
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// SPDX-License-Identifier: MIT
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#pragma once
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#include <stdint.h>
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// This file contains APIs for global helpers that are
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// exposed for use by all eBPF programs.
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typedef struct _ebpf_map_definition
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{
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uint32_t size;
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uint32_t type;
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uint32_t key_size;
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uint32_t value_size;
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uint32_t max_entries;
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} ebpf_map_definition_t;
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typedef enum _ebpf_map_type
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{
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EBPF_MAP_TYPE_UNSPECIFIED = 0,
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EBPF_MAP_TYPE_HASH = 1,
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EBPF_MAP_TYPE_ARRAY = 2,
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} ebpf_map_type_t;
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typedef void* (*ebpf_map_lookup_element_t)(ebpf_map_definition_t* map, void* key);
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#define ebpf_map_lookup_element ((ebpf_map_lookup_element_t)1)
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typedef int64_t (*ebpf_map_update_element_t)(ebpf_map_definition_t* map, void* key, void* data, uint64_t flags);
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#define ebpf_map_update_element ((ebpf_map_update_element_t)2)
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typedef int64_t (*ebpf_map_delete_element_t)(ebpf_map_definition_t* map, void* key);
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#define ebpf_map_delete_element ((ebpf_map_delete_element_t)3)
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//
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// Defines for cross-platform compatibility.
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//
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#define bpf_map _ebpf_map_definition
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#define bpf_map_lookup_elem ebpf_map_lookup_element
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#define bpf_map_update_elem ebpf_map_update_element
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#define bpf_map_delete_elem ebpf_map_delete_element
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#define BPF_MAP_TYPE_UNSPECIFIED EBPF_MAP_TYPE_UNSPECIFIED
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#define BPF_MAP_TYPE_HASH EBPF_MAP_TYPE_HASH
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#define BPF_MAP_TYPE_ARRAY EBPF_MAP_TYPE_ARRAY
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