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annotate src/event/quic/ngx_event_quic_bpf_code.c @ 8676:7df607cb2d11 quic

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QUIC: ngx_quic_bpf module. The quic kernel bpf helper inspects packet payload for DCID, extracts key and routes the packet into socket matching the key. Due to reuseport feature, each worker owns a personal socket, which is identified by the same key, used to create DCID. BPF objects are locked in RAM and are subject to RLIMIT_MEMLOCK. The "ulimit -l" command may be used to setup proper limits, if maps cannot be created with EPERM or updated with ETOOLONG.
author Vladimir Homutov <vl@nginx.com>
date Fri, 25 Dec 2020 15:01:15 +0300
parents
children 85e60c064728
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8676
7df607cb2d11 QUIC: ngx_quic_bpf module.
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1 /* AUTO-GENERATED, DO NOT EDIT. */
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2
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3 #include <stddef.h>
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4 #include <stdint.h>
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5
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6 #include "ngx_bpf.h"
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7
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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", 56 },
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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 */
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15 { 0x79, BPF_REG_4, BPF_REG_1, (int16_t) 0, 0x0 },
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16 { 0x79, BPF_REG_3, BPF_REG_1, (int16_t) 8, 0x0 },
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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) 55, 0x0 },
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20 { 0xbf, BPF_REG_5, BPF_REG_4, (int16_t) 0, 0x0 },
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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) 52, 0x0 },
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23 { 0xb7, BPF_REG_5, BPF_REG_0, (int16_t) 0, 0x14 },
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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 },
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26 { 0x67, BPF_REG_6, BPF_REG_0, (int16_t) 0, 0x38 },
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27 { 0xc7, BPF_REG_6, BPF_REG_0, (int16_t) 0, 0x38 },
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28 { 0x65, BPF_REG_6, BPF_REG_0, (int16_t) 10, 0xffffffff },
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29 { 0xbf, BPF_REG_2, BPF_REG_4, (int16_t) 0, 0x0 },
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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) 43, 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) 40, 0x0 },
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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_4, (int16_t) 12, 0x0 },
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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) 36, 0x0 },
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39 { 0xf, BPF_REG_5, BPF_REG_0, (int16_t) 0, 0x0 },
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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) 33, 0x0 },
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42 { 0xbf, BPF_REG_4, BPF_REG_2, (int16_t) 0, 0x0 },
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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) 30, 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 },
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47 { 0x71, BPF_REG_3, BPF_REG_2, (int16_t) 2, 0x0 },
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48 { 0x67, BPF_REG_3, BPF_REG_0, (int16_t) 0, 0x30 },
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49 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 },
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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 },
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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 },
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55 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 },
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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, 0x38 },
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58 { 0xc7, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x20 },
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59 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 },
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60 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 6, 0x0 },
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61 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x10 },
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62 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 },
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63 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 7, 0x0 },
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64 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x8 },
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65 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 },
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66 { 0x71, BPF_REG_2, BPF_REG_2, (int16_t) 8, 0x0 },
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67 { 0x4f, BPF_REG_3, BPF_REG_2, (int16_t) 0, 0x0 },
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68 { 0x7b, BPF_REG_10, BPF_REG_3, (int16_t) 65528, 0x0 },
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69 { 0xbf, BPF_REG_3, BPF_REG_10, (int16_t) 0, 0x0 },
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70 { 0x7, BPF_REG_3, BPF_REG_0, (int16_t) 0, 0xfffffff8 },
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71 { 0x18, BPF_REG_2, BPF_REG_0, (int16_t) 0, 0x0 },
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72 { 0x0, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x0 },
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73 { 0xb7, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x0 },
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74 { 0x85, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x52 },
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75 { 0xb7, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x1 },
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76 { 0x95, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x0 },
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77 };
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78
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79
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80 ngx_bpf_program_t ngx_quic_reuseport_helper = {
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81 .relocs = bpf_reloc_prog_ngx_quic_reuseport_helper,
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82 .nrelocs = sizeof(bpf_reloc_prog_ngx_quic_reuseport_helper)
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83 / sizeof(bpf_reloc_prog_ngx_quic_reuseport_helper[0]),
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84 .ins = bpf_insn_prog_ngx_quic_reuseport_helper,
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85 .nins = sizeof(bpf_insn_prog_ngx_quic_reuseport_helper)
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86 / sizeof(bpf_insn_prog_ngx_quic_reuseport_helper[0]),
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87 .license = "BSD",
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88 .type = BPF_PROG_TYPE_SK_REUSEPORT,
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89 };
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90