Mercurial > hg > nginx-quic
annotate src/event/quic/ngx_event_quic_bpf_code.c @ 8441:81d491f0dc8c quic
QUIC: unroll and inline ngx_quic_varint_len()/ngx_quic_build_int().
According to profiling, those two are among most frequently called,
so inlining is generally useful, and unrolling should help with it.
Further, this fixes undefined behaviour seen with invalid values.
Inspired by Yu Liu.
author | Sergey Kandaurov <pluknet@nginx.com> |
---|---|
date | Sat, 22 May 2021 18:40:45 +0300 |
parents | 85e60c064728 |
children | 6d1488b62dc5 |
rev | line source |
---|---|
8269 | 1 /* AUTO-GENERATED, DO NOT EDIT. */ |
2 | |
3 #include <stddef.h> | |
4 #include <stdint.h> | |
5 | |
6 #include "ngx_bpf.h" | |
7 | |
8 | |
9 static ngx_bpf_reloc_t bpf_reloc_prog_ngx_quic_reuseport_helper[] = { | |
8356
85e60c064728
QUIC: bpf code regenerated.
Vladimir Homutov <vl@nginx.com>
parents:
8269
diff
changeset
|
10 { "ngx_quic_sockmap", 55 }, |
8269 | 11 }; |
12 | |
13 static struct bpf_insn bpf_insn_prog_ngx_quic_reuseport_helper[] = { | |
14 /* opcode dst src offset imm */ | |
15 { 0x79, BPF_REG_4, BPF_REG_1, (int16_t) 0, 0x0 }, | |
16 { 0x79, BPF_REG_3, BPF_REG_1, (int16_t) 8, 0x0 }, | |
17 { 0xbf, BPF_REG_2, BPF_REG_4, (int16_t) 0, 0x0 }, | |
18 { 0x7, BPF_REG_2, BPF_REG_0, (int16_t) 0, 0x8 }, | |
8356
85e60c064728
QUIC: bpf code regenerated.
Vladimir Homutov <vl@nginx.com>
parents:
8269
diff
changeset
|
19 { 0x2d, BPF_REG_2, BPF_REG_3, (int16_t) 54, 0x0 }, |
8269 | 20 { 0xbf, BPF_REG_5, BPF_REG_4, (int16_t) 0, 0x0 }, |
21 { 0x7, BPF_REG_5, BPF_REG_0, (int16_t) 0, 0x9 }, | |
8356
85e60c064728
QUIC: bpf code regenerated.
Vladimir Homutov <vl@nginx.com>
parents:
8269
diff
changeset
|
22 { 0x2d, BPF_REG_5, BPF_REG_3, (int16_t) 51, 0x0 }, |
8269 | 23 { 0xb7, BPF_REG_5, BPF_REG_0, (int16_t) 0, 0x14 }, |
24 { 0xb7, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x9 }, | |
25 { 0x71, BPF_REG_6, BPF_REG_2, (int16_t) 0, 0x0 }, | |
26 { 0x67, BPF_REG_6, BPF_REG_0, (int16_t) 0, 0x38 }, | |
27 { 0xc7, BPF_REG_6, BPF_REG_0, (int16_t) 0, 0x38 }, | |
28 { 0x65, BPF_REG_6, BPF_REG_0, (int16_t) 10, 0xffffffff }, | |
29 { 0xbf, BPF_REG_2, BPF_REG_4, (int16_t) 0, 0x0 }, | |
30 { 0x7, BPF_REG_2, BPF_REG_0, (int16_t) 0, 0xd }, | |
8356
85e60c064728
QUIC: bpf code regenerated.
Vladimir Homutov <vl@nginx.com>
parents:
8269
diff
changeset
|
31 { 0x2d, BPF_REG_2, BPF_REG_3, (int16_t) 42, 0x0 }, |
8269 | 32 { 0xbf, BPF_REG_5, BPF_REG_4, (int16_t) 0, 0x0 }, |
33 { 0x7, BPF_REG_5, BPF_REG_0, (int16_t) 0, 0xe }, | |
8356
85e60c064728
QUIC: bpf code regenerated.
Vladimir Homutov <vl@nginx.com>
parents:
8269
diff
changeset
|
34 { 0x2d, BPF_REG_5, BPF_REG_3, (int16_t) 39, 0x0 }, |
8269 | 35 { 0xb7, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0xe }, |
8356
85e60c064728
QUIC: bpf code regenerated.
Vladimir Homutov <vl@nginx.com>
parents:
8269
diff
changeset
|
36 { 0x71, BPF_REG_5, BPF_REG_2, (int16_t) 0, 0x0 }, |
8269 | 37 { 0xb7, BPF_REG_6, BPF_REG_0, (int16_t) 0, 0x8 }, |
8356
85e60c064728
QUIC: bpf code regenerated.
Vladimir Homutov <vl@nginx.com>
parents:
8269
diff
changeset
|
38 { 0x2d, BPF_REG_6, BPF_REG_5, (int16_t) 35, 0x0 }, |
8269 | 39 { 0xf, BPF_REG_5, BPF_REG_0, (int16_t) 0, 0x0 }, |
40 { 0xf, BPF_REG_4, BPF_REG_5, (int16_t) 0, 0x0 }, | |
8356
85e60c064728
QUIC: bpf code regenerated.
Vladimir Homutov <vl@nginx.com>
parents:
8269
diff
changeset
|
41 { 0x2d, BPF_REG_4, BPF_REG_3, (int16_t) 32, 0x0 }, |
8269 | 42 { 0xbf, BPF_REG_4, BPF_REG_2, (int16_t) 0, 0x0 }, |
43 { 0x7, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x9 }, | |
8356
85e60c064728
QUIC: bpf code regenerated.
Vladimir Homutov <vl@nginx.com>
parents:
8269
diff
changeset
|
44 { 0x2d, BPF_REG_4, BPF_REG_3, (int16_t) 29, 0x0 }, |
8269 | 45 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 1, 0x0 }, |
46 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x38 }, | |
47 { 0x71, BPF_REG_3, BPF_REG_2, (int16_t) 2, 0x0 }, | |
48 { 0x67, BPF_REG_3, BPF_REG_0, (int16_t) 0, 0x30 }, | |
49 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 }, | |
50 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 3, 0x0 }, | |
51 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x28 }, | |
52 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 }, | |
53 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 4, 0x0 }, | |
54 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x20 }, | |
55 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 }, | |
56 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 5, 0x0 }, | |
8356
85e60c064728
QUIC: bpf code regenerated.
Vladimir Homutov <vl@nginx.com>
parents:
8269
diff
changeset
|
57 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x18 }, |
8269 | 58 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 }, |
59 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 6, 0x0 }, | |
60 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x10 }, | |
61 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 }, | |
62 { 0x71, BPF_REG_4, BPF_REG_2, (int16_t) 7, 0x0 }, | |
63 { 0x67, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x8 }, | |
64 { 0x4f, BPF_REG_3, BPF_REG_4, (int16_t) 0, 0x0 }, | |
65 { 0x71, BPF_REG_2, BPF_REG_2, (int16_t) 8, 0x0 }, | |
66 { 0x4f, BPF_REG_3, BPF_REG_2, (int16_t) 0, 0x0 }, | |
67 { 0x7b, BPF_REG_10, BPF_REG_3, (int16_t) 65528, 0x0 }, | |
68 { 0xbf, BPF_REG_3, BPF_REG_10, (int16_t) 0, 0x0 }, | |
69 { 0x7, BPF_REG_3, BPF_REG_0, (int16_t) 0, 0xfffffff8 }, | |
70 { 0x18, BPF_REG_2, BPF_REG_0, (int16_t) 0, 0x0 }, | |
71 { 0x0, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x0 }, | |
72 { 0xb7, BPF_REG_4, BPF_REG_0, (int16_t) 0, 0x0 }, | |
73 { 0x85, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x52 }, | |
74 { 0xb7, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x1 }, | |
75 { 0x95, BPF_REG_0, BPF_REG_0, (int16_t) 0, 0x0 }, | |
76 }; | |
77 | |
78 | |
79 ngx_bpf_program_t ngx_quic_reuseport_helper = { | |
80 .relocs = bpf_reloc_prog_ngx_quic_reuseport_helper, | |
81 .nrelocs = sizeof(bpf_reloc_prog_ngx_quic_reuseport_helper) | |
82 / sizeof(bpf_reloc_prog_ngx_quic_reuseport_helper[0]), | |
83 .ins = bpf_insn_prog_ngx_quic_reuseport_helper, | |
84 .nins = sizeof(bpf_insn_prog_ngx_quic_reuseport_helper) | |
85 / sizeof(bpf_insn_prog_ngx_quic_reuseport_helper[0]), | |
86 .license = "BSD", | |
87 .type = BPF_PROG_TYPE_SK_REUSEPORT, | |
88 }; | |
89 |