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annotate src/core/ngx_bpf.h @ 9162:f9845e4b5c14

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QUIC: simplified setting close timer when closing connection. Previously, the timer was never reset due to an explicit check. The check was added in 36b59521a41c as part of connection close simplification. The reason was to retain the earliest timeout. However, the timeouts are all the same while QUIC handshake is in progress and resetting the timer for the same value has no performance implications. After handshake completion there's only application level. The change removes the check.
author Roman Arutyunyan <arut@nginx.com>
date Thu, 14 Sep 2023 14:15:20 +0400
parents d3747ba486e7
children
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 */
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7 #ifndef _NGX_BPF_H_INCLUDED_
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8 #define _NGX_BPF_H_INCLUDED_
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11 #include <ngx_config.h>
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12 #include <ngx_core.h>
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14 #include <linux/bpf.h>
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17 typedef struct {
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18 char *name;
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19 int offset;
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20 } ngx_bpf_reloc_t;
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22 typedef struct {
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23 char *license;
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24 enum bpf_prog_type type;
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25 struct bpf_insn *ins;
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26 size_t nins;
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27 ngx_bpf_reloc_t *relocs;
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28 size_t nrelocs;
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29 } ngx_bpf_program_t;
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32 void ngx_bpf_program_link(ngx_bpf_program_t *program, const char *symbol,
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33 int fd);
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34 int ngx_bpf_load_program(ngx_log_t *log, ngx_bpf_program_t *program);
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36 int ngx_bpf_map_create(ngx_log_t *log, enum bpf_map_type type, int key_size,
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37 int value_size, int max_entries, uint32_t map_flags);
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38 int ngx_bpf_map_update(int fd, const void *key, const void *value,
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39 uint64_t flags);
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40 int ngx_bpf_map_delete(int fd, const void *key);
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41 int ngx_bpf_map_lookup(int fd, const void *key, void *value);
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43 #endif /* _NGX_BPF_H_INCLUDED_ */