view src/event/quic/ngx_event_quic_bpf_code.c @ 8822:ad046179eb91 quic

QUIC: handle EAGAIN properly on UDP sockets. Previously, the error was ignored leading to unnecessary retransmits. Now, unsent frames are returned into output queue, state is reset, and timer is started for the next send attempt.
author Vladimir Homutov <vl@nginx.com>
date Wed, 28 Jul 2021 17:23:18 +0300
parents 85e60c064728
children 6d1488b62dc5
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", 55 },
};

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)     54,        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)     51,        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)     42,        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)     39,        0x0 },
    { 0xb7,   BPF_REG_0,   BPF_REG_0, (int16_t)      0,        0xe },
    { 0x71,   BPF_REG_5,   BPF_REG_2, (int16_t)      0,        0x0 },
    { 0xb7,   BPF_REG_6,   BPF_REG_0, (int16_t)      0,        0x8 },
    { 0x2d,   BPF_REG_6,   BPF_REG_5, (int16_t)     35,        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)     32,        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)     29,        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,       0x18 },
    { 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,
};