src/core/ngx_bpf.h - nginx source code

Data types defined

__anonfc41864e0108
__anonfc41864e0208
ngx_bpf_program_t
ngx_bpf_reloc_t

Macros defined

_NGX_BPF_H_INCLUDED_

Source code



/*

 * Copyright (C) Nginx, Inc.

 */





#ifndef _NGX_BPF_H_INCLUDED_

‌#define _NGX_BPF_H_INCLUDED_





#include <ngx_config.h>

#include <ngx_core.h>



#include <linux/bpf.h>





‌typedef struct {

    char                *name;

    int                  offset;

‌} ngx_bpf_reloc_t;



‌typedef struct {

    char                *license;

    enum bpf_prog_type   type;

    struct bpf_insn     *ins;

    size_t               nins;

    ngx_bpf_reloc_t     *relocs;

    size_t               nrelocs;

‌} ngx_bpf_program_t;





void ngx_bpf_program_link(ngx_bpf_program_t *program, const char *symbol,

    int fd);

int ngx_bpf_load_program(ngx_log_t *log, ngx_bpf_program_t *program);



int ngx_bpf_map_create(ngx_log_t *log, enum bpf_map_type type, int key_size,

    int value_size, int max_entries, uint32_t map_flags);

int ngx_bpf_map_update(int fd, const void *key, const void *value,

    uint64_t flags);

int ngx_bpf_map_delete(int fd, const void *key);

int ngx_bpf_map_lookup(int fd, const void *key, void *value);



#endif /* _NGX_BPF_H_INCLUDED_ */