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view src/event/quic/ngx_event_quic_bpf_code.c @ 8278:dbe33ef9cd9a quic

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HTTP/3: call ngx_handle_read_event() from client header handler. This function should be called at the end of an event handler to prepare the event for the next handler call. Particularly, the "active" flag is set or cleared depending on data availability. With this call missing in one code path, read handler was not called again after handling the initial part of the client request, if the request was too big to fit into a single STREAM frame. Now ngx_handle_read_event() is called in this code path. Also, read timer is restarted.
author Roman Arutyunyan <arut@nginx.com>
date Fri, 29 Jan 2021 19:42:47 +0300
parents 7df607cb2d11
children 85e60c064728
line wrap: on
line source

/* AUTO-GENERATED, DO NOT EDIT. */

#include <stddef.h>
#include <stdint.h>

#include "ngx_bpf.h"


static ngx_bpf_reloc_t bpf_reloc_prog_ngx_quic_reuseport_helper[] = {
    { "ngx_quic_sockmap", 56 },
};

static struct bpf_insn bpf_insn_prog_ngx_quic_reuseport_helper[] = {
    /* opcode dst          src         offset imm */
    { 0x79,   BPF_REG_4,   BPF_REG_1, (int16_t)      0,        0x0 },
    { 0x79,   BPF_REG_3,   BPF_REG_1, (int16_t)      8,        0x0 },
    { 0xbf,   BPF_REG_2,   BPF_REG_4, (int16_t)      0,        0x0 },
    {  0x7,   BPF_REG_2,   BPF_REG_0, (int16_t)      0,        0x8 },
    { 0x2d,   BPF_REG_2,   BPF_REG_3, (int16_t)     55,        0x0 },
    { 0xbf,   BPF_REG_5,   BPF_REG_4, (int16_t)      0,        0x0 },
    {  0x7,   BPF_REG_5,   BPF_REG_0, (int16_t)      0,        0x9 },
    { 0x2d,   BPF_REG_5,   BPF_REG_3, (int16_t)     52,        0x0 },
    { 0xb7,   BPF_REG_5,   BPF_REG_0, (int16_t)      0,       0x14 },
    { 0xb7,   BPF_REG_0,   BPF_REG_0, (int16_t)      0,        0x9 },
    { 0x71,   BPF_REG_6,   BPF_REG_2, (int16_t)      0,        0x0 },
    { 0x67,   BPF_REG_6,   BPF_REG_0, (int16_t)      0,       0x38 },
    { 0xc7,   BPF_REG_6,   BPF_REG_0, (int16_t)      0,       0x38 },
    { 0x65,   BPF_REG_6,   BPF_REG_0, (int16_t)     10, 0xffffffff },
    { 0xbf,   BPF_REG_2,   BPF_REG_4, (int16_t)      0,        0x0 },
    {  0x7,   BPF_REG_2,   BPF_REG_0, (int16_t)      0,        0xd },
    { 0x2d,   BPF_REG_2,   BPF_REG_3, (int16_t)     43,        0x0 },
    { 0xbf,   BPF_REG_5,   BPF_REG_4, (int16_t)      0,        0x0 },
    {  0x7,   BPF_REG_5,   BPF_REG_0, (int16_t)      0,        0xe },
    { 0x2d,   BPF_REG_5,   BPF_REG_3, (int16_t)     40,        0x0 },
    { 0xb7,   BPF_REG_0,   BPF_REG_0, (int16_t)      0,        0xe },
    { 0x71,   BPF_REG_5,   BPF_REG_4, (int16_t)     12,        0x0 },
    { 0xb7,   BPF_REG_6,   BPF_REG_0, (int16_t)      0,        0x8 },
    { 0x2d,   BPF_REG_6,   BPF_REG_5, (int16_t)     36,        0x0 },
    {  0xf,   BPF_REG_5,   BPF_REG_0, (int16_t)      0,        0x0 },
    {  0xf,   BPF_REG_4,   BPF_REG_5, (int16_t)      0,        0x0 },
    { 0x2d,   BPF_REG_4,   BPF_REG_3, (int16_t)     33,        0x0 },
    { 0xbf,   BPF_REG_4,   BPF_REG_2, (int16_t)      0,        0x0 },
    {  0x7,   BPF_REG_4,   BPF_REG_0, (int16_t)      0,        0x9 },
    { 0x2d,   BPF_REG_4,   BPF_REG_3, (int16_t)     30,        0x0 },
    { 0x71,   BPF_REG_4,   BPF_REG_2, (int16_t)      1,        0x0 },
    { 0x67,   BPF_REG_4,   BPF_REG_0, (int16_t)      0,       0x38 },
    { 0x71,   BPF_REG_3,   BPF_REG_2, (int16_t)      2,        0x0 },
    { 0x67,   BPF_REG_3,   BPF_REG_0, (int16_t)      0,       0x30 },
    { 0x4f,   BPF_REG_3,   BPF_REG_4, (int16_t)      0,        0x0 },
    { 0x71,   BPF_REG_4,   BPF_REG_2, (int16_t)      3,        0x0 },
    { 0x67,   BPF_REG_4,   BPF_REG_0, (int16_t)      0,       0x28 },
    { 0x4f,   BPF_REG_3,   BPF_REG_4, (int16_t)      0,        0x0 },
    { 0x71,   BPF_REG_4,   BPF_REG_2, (int16_t)      4,        0x0 },
    { 0x67,   BPF_REG_4,   BPF_REG_0, (int16_t)      0,       0x20 },
    { 0x4f,   BPF_REG_3,   BPF_REG_4, (int16_t)      0,        0x0 },
    { 0x71,   BPF_REG_4,   BPF_REG_2, (int16_t)      5,        0x0 },
    { 0x67,   BPF_REG_4,   BPF_REG_0, (int16_t)      0,       0x38 },
    { 0xc7,   BPF_REG_4,   BPF_REG_0, (int16_t)      0,       0x20 },
    { 0x4f,   BPF_REG_3,   BPF_REG_4, (int16_t)      0,        0x0 },
    { 0x71,   BPF_REG_4,   BPF_REG_2, (int16_t)      6,        0x0 },
    { 0x67,   BPF_REG_4,   BPF_REG_0, (int16_t)      0,       0x10 },
    { 0x4f,   BPF_REG_3,   BPF_REG_4, (int16_t)      0,        0x0 },
    { 0x71,   BPF_REG_4,   BPF_REG_2, (int16_t)      7,        0x0 },
    { 0x67,   BPF_REG_4,   BPF_REG_0, (int16_t)      0,        0x8 },
    { 0x4f,   BPF_REG_3,   BPF_REG_4, (int16_t)      0,        0x0 },
    { 0x71,   BPF_REG_2,   BPF_REG_2, (int16_t)      8,        0x0 },
    { 0x4f,   BPF_REG_3,   BPF_REG_2, (int16_t)      0,        0x0 },
    { 0x7b,  BPF_REG_10,   BPF_REG_3, (int16_t)  65528,        0x0 },
    { 0xbf,   BPF_REG_3,  BPF_REG_10, (int16_t)      0,        0x0 },
    {  0x7,   BPF_REG_3,   BPF_REG_0, (int16_t)      0, 0xfffffff8 },
    { 0x18,   BPF_REG_2,   BPF_REG_0, (int16_t)      0,        0x0 },
    {  0x0,   BPF_REG_0,   BPF_REG_0, (int16_t)      0,        0x0 },
    { 0xb7,   BPF_REG_4,   BPF_REG_0, (int16_t)      0,        0x0 },
    { 0x85,   BPF_REG_0,   BPF_REG_0, (int16_t)      0,       0x52 },
    { 0xb7,   BPF_REG_0,   BPF_REG_0, (int16_t)      0,        0x1 },
    { 0x95,   BPF_REG_0,   BPF_REG_0, (int16_t)      0,        0x0 },
};


ngx_bpf_program_t ngx_quic_reuseport_helper = {
    .relocs = bpf_reloc_prog_ngx_quic_reuseport_helper,
    .nrelocs = sizeof(bpf_reloc_prog_ngx_quic_reuseport_helper)
               / sizeof(bpf_reloc_prog_ngx_quic_reuseport_helper[0]),
    .ins = bpf_insn_prog_ngx_quic_reuseport_helper,
    .nins = sizeof(bpf_insn_prog_ngx_quic_reuseport_helper)
            / sizeof(bpf_insn_prog_ngx_quic_reuseport_helper[0]),
    .license = "BSD",
    .type = BPF_PROG_TYPE_SK_REUSEPORT,
};