20 lines
499 B
C
20 lines
499 B
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/* Copyright (c) 2017 Facebook
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*/
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#ifndef __MAP_IN_MAP_H__
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#define __MAP_IN_MAP_H__
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#include <linux/types.h>
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struct file;
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struct bpf_map;
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struct bpf_map *bpf_map_meta_alloc(int inner_map_ufd);
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void bpf_map_meta_free(struct bpf_map *map_meta);
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void *bpf_map_fd_get_ptr(struct bpf_map *map, struct file *map_file,
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int ufd);
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void bpf_map_fd_put_ptr(struct bpf_map *map, void *ptr, bool need_defer);
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u32 bpf_map_fd_sys_lookup_elem(void *ptr);
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#endif
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