annotate src/event/quic/ngx_event_quic_bpf_code.c @ 9081:52cddd44ec11 quic

QUIC: removed check for in-flight packets in computing PTO. The check is needed for clients in order to unblock a server due to anti-amplification limits, and it seems to make no sense for servers. See RFC 9002, A.6 and A.8 for a further explanation. This makes max_ack_delay to now always account, notably including PATH_CHALLENGE timers as noted in the last paragraph of 9000, 9.4, unlike when it was only used when there are packets in flight. While here, fixed nearby style.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 09 May 2023 19:42:38 +0400
parents 6d1488b62dc5
children
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7df607cb2d11 QUIC: ngx_quic_bpf module.
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1 /* AUTO-GENERATED, DO NOT EDIT. */
7df607cb2d11 QUIC: ngx_quic_bpf module.
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2
7df607cb2d11 QUIC: ngx_quic_bpf module.
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3 #include <stddef.h>
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4 #include <stdint.h>
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5
7df607cb2d11 QUIC: ngx_quic_bpf module.
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6 #include "ngx_bpf.h"
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7
7df607cb2d11 QUIC: ngx_quic_bpf module.
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8
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9 static ngx_bpf_reloc_t bpf_reloc_prog_ngx_quic_reuseport_helper[] = {
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10 { "ngx_quic_sockmap", 55 },
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11 };
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12
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13 static struct bpf_insn bpf_insn_prog_ngx_quic_reuseport_helper[] = {
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14 /* opcode dst src offset imm */
7df607cb2d11 QUIC: ngx_quic_bpf module.
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15 { 0x79, BPF_REG_4, BPF_REG_1, (int16_t) 0, 0x0 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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16 { 0x79, BPF_REG_3, BPF_REG_1, (int16_t) 8, 0x0 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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17 { 0xbf, BPF_REG_2, BPF_REG_4, (int16_t) 0, 0x0 },
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18 { 0x7, BPF_REG_2, BPF_REG_0, (int16_t) 0, 0x8 },
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19 { 0x2d, BPF_REG_2, BPF_REG_3, (int16_t) 54, 0x0 },
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7df607cb2d11 QUIC: ngx_quic_bpf module.
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20 { 0xbf, BPF_REG_5, BPF_REG_4, (int16_t) 0, 0x0 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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21 { 0x7, BPF_REG_5, BPF_REG_0, (int16_t) 0, 0x9 },
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22 { 0x2d, BPF_REG_5, BPF_REG_3, (int16_t) 51, 0x0 },
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7df607cb2d11 QUIC: ngx_quic_bpf module.
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23 { 0xb7, BPF_REG_5, BPF_REG_0, (int16_t) 0, 0x14 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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24 { 0xb7, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x9 },
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25 { 0x71, BPF_REG_6, BPF_REG_2, (int16_t) 0, 0x0 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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26 { 0x67, BPF_REG_6, BPF_REG_0, (int16_t) 0, 0x38 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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27 { 0xc7, BPF_REG_6, BPF_REG_0, (int16_t) 0, 0x38 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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28 { 0x65, BPF_REG_6, BPF_REG_0, (int16_t) 10, 0xffffffff },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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29 { 0xbf, BPF_REG_2, BPF_REG_4, (int16_t) 0, 0x0 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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30 { 0x7, BPF_REG_2, BPF_REG_0, (int16_t) 0, 0xd },
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31 { 0x2d, BPF_REG_2, BPF_REG_3, (int16_t) 42, 0x0 },
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32 { 0xbf, BPF_REG_5, BPF_REG_4, (int16_t) 0, 0x0 },
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33 { 0x7, BPF_REG_5, BPF_REG_0, (int16_t) 0, 0xe },
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34 { 0x2d, BPF_REG_5, BPF_REG_3, (int16_t) 39, 0x0 },
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7df607cb2d11 QUIC: ngx_quic_bpf module.
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35 { 0xb7, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0xe },
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36 { 0x71, BPF_REG_5, BPF_REG_2, (int16_t) 0, 0x0 },
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7df607cb2d11 QUIC: ngx_quic_bpf module.
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37 { 0xb7, BPF_REG_6, BPF_REG_0, (int16_t) 0, 0x8 },
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38 { 0x2d, BPF_REG_6, BPF_REG_5, (int16_t) 35, 0x0 },
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7df607cb2d11 QUIC: ngx_quic_bpf module.
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39 { 0xf, BPF_REG_5, BPF_REG_0, (int16_t) 0, 0x0 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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40 { 0xf, BPF_REG_4, BPF_REG_5, (int16_t) 0, 0x0 },
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41 { 0x2d, BPF_REG_4, BPF_REG_3, (int16_t) 32, 0x0 },
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42 { 0xbf, BPF_REG_4, BPF_REG_2, (int16_t) 0, 0x0 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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43 { 0x7, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x9 },
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44 { 0x2d, BPF_REG_4, BPF_REG_3, (int16_t) 29, 0x0 },
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45 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 1, 0x0 },
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46 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x38 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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47 { 0x71, BPF_REG_3, BPF_REG_2, (int16_t) 2, 0x0 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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48 { 0x67, BPF_REG_3, BPF_REG_0, (int16_t) 0, 0x30 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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49 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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50 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 3, 0x0 },
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51 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x28 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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52 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 },
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53 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 4, 0x0 },
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54 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x20 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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55 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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56 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 5, 0x0 },
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57 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x18 },
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7df607cb2d11 QUIC: ngx_quic_bpf module.
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58 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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59 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 6, 0x0 },
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60 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x10 },
7df607cb2d11 QUIC: ngx_quic_bpf module.
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61 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 },
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62 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 7, 0x0 },
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63 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x8 },
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64 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 },
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65 { 0x71, BPF_REG_2, BPF_REG_2, (int16_t) 8, 0x0 },
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66 { 0x4f, BPF_REG_3, BPF_REG_2, (int16_t) 0, 0x0 },
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67 { 0x7b, BPF_REG_10, BPF_REG_3, (int16_t) 65528, 0x0 },
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68 { 0xbf, BPF_REG_3, BPF_REG_10, (int16_t) 0, 0x0 },
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69 { 0x7, BPF_REG_3, BPF_REG_0, (int16_t) 0, 0xfffffff8 },
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70 { 0x18, BPF_REG_2, BPF_REG_0, (int16_t) 0, 0x0 },
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71 { 0x0, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x0 },
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72 { 0xb7, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x0 },
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73 { 0x85, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x52 },
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74 { 0xb7, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x1 },
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75 { 0x95, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x0 },
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76 };
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77
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78
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79 ngx_bpf_program_t ngx_quic_reuseport_helper = {
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80 .relocs = bpf_reloc_prog_ngx_quic_reuseport_helper,
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81 .nrelocs = sizeof(bpf_reloc_prog_ngx_quic_reuseport_helper)
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82 / sizeof(bpf_reloc_prog_ngx_quic_reuseport_helper[0]),
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83 .ins = bpf_insn_prog_ngx_quic_reuseport_helper,
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84 .nins = sizeof(bpf_insn_prog_ngx_quic_reuseport_helper)
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85 / sizeof(bpf_insn_prog_ngx_quic_reuseport_helper[0]),
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86 .license = "BSD",
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87 .type = BPF_PROG_TYPE_SK_REUSEPORT,
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88 };