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view src/event/quic/ngx_event_quic_bpf_code.c @ 8908:e8cbbfabe547 quic

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QUIC: update stream flow control credit on STREAM_DATA_BLOCKED. Previously, after receiving STREAM_DATA_BLOCKED, current flow control limit was sent to client. Now, if the limit can be updated to the full window size, it is updated and the new value is sent to client, otherwise nothing is sent. The change lets client update flow control credit on demand. Also, it saves traffic by not sending MAX_STREAM_DATA with the same value twice.
author Roman Arutyunyan <arut@nginx.com>
date Wed, 17 Nov 2021 23:07:38 +0300
parents 6d1488b62dc5
children
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,
};