-
Notifications
You must be signed in to change notification settings - Fork 7
Expand file tree
/
Copy pathxdp_x86_bpfel.go
More file actions
173 lines (150 loc) · 3.64 KB
/
xdp_x86_bpfel.go
File metadata and controls
173 lines (150 loc) · 3.64 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
// Code generated by bpf2go; DO NOT EDIT.
//go:build 386 || amd64
package main
import (
"bytes"
_ "embed"
"fmt"
"io"
"structs"
"github.com/cilium/ebpf"
)
type xdpCounterCfgValue struct {
_ structs.HostLayout
CgrpfsMagic uint64
}
type xdpStatkey struct {
_ structs.HostLayout
Srcip struct {
_ structs.HostLayout
In6U struct {
_ structs.HostLayout
U6Addr8 [16]uint8
}
}
Dstip struct {
_ structs.HostLayout
In6U struct {
_ structs.HostLayout
U6Addr8 [16]uint8
}
}
Cgroupid uint64
Comm [16]int8
Pid int32
SrcPort uint16
DstPort uint16
Proto uint8
_ [7]byte
}
type xdpStatvalue struct {
_ structs.HostLayout
Packets uint64
Bytes uint64
}
// loadXdp returns the embedded CollectionSpec for xdp.
func loadXdp() (*ebpf.CollectionSpec, error) {
reader := bytes.NewReader(_XdpBytes)
spec, err := ebpf.LoadCollectionSpecFromReader(reader)
if err != nil {
return nil, fmt.Errorf("can't load xdp: %w", err)
}
return spec, err
}
// loadXdpObjects loads xdp and converts it into a struct.
//
// The following types are suitable as obj argument:
//
// *xdpObjects
// *xdpPrograms
// *xdpMaps
//
// See ebpf.CollectionSpec.LoadAndAssign documentation for details.
func loadXdpObjects(obj interface{}, opts *ebpf.CollectionOptions) error {
spec, err := loadXdp()
if err != nil {
return err
}
return spec.LoadAndAssign(obj, opts)
}
// xdpSpecs contains maps and programs before they are loaded into the kernel.
//
// It can be passed ebpf.CollectionSpec.Assign.
type xdpSpecs struct {
xdpProgramSpecs
xdpMapSpecs
xdpVariableSpecs
}
// xdpProgramSpecs contains programs before they are loaded into the kernel.
//
// It can be passed ebpf.CollectionSpec.Assign.
type xdpProgramSpecs struct {
XdpCountPackets *ebpf.ProgramSpec `ebpf:"xdp_count_packets"`
}
// xdpMapSpecs contains maps before they are loaded into the kernel.
//
// It can be passed ebpf.CollectionSpec.Assign.
type xdpMapSpecs struct {
CounterCfg *ebpf.MapSpec `ebpf:"counter_cfg"`
PktCount *ebpf.MapSpec `ebpf:"pkt_count"`
}
// xdpVariableSpecs contains global variables before they are loaded into the kernel.
//
// It can be passed ebpf.CollectionSpec.Assign.
type xdpVariableSpecs struct {
}
// xdpObjects contains all objects after they have been loaded into the kernel.
//
// It can be passed to loadXdpObjects or ebpf.CollectionSpec.LoadAndAssign.
type xdpObjects struct {
xdpPrograms
xdpMaps
xdpVariables
}
func (o *xdpObjects) Close() error {
return _XdpClose(
&o.xdpPrograms,
&o.xdpMaps,
)
}
// xdpMaps contains all maps after they have been loaded into the kernel.
//
// It can be passed to loadXdpObjects or ebpf.CollectionSpec.LoadAndAssign.
type xdpMaps struct {
CounterCfg *ebpf.Map `ebpf:"counter_cfg"`
PktCount *ebpf.Map `ebpf:"pkt_count"`
}
func (m *xdpMaps) Close() error {
return _XdpClose(
m.CounterCfg,
m.PktCount,
)
}
// xdpVariables contains all global variables after they have been loaded into the kernel.
//
// It can be passed to loadXdpObjects or ebpf.CollectionSpec.LoadAndAssign.
type xdpVariables struct {
}
// xdpPrograms contains all programs after they have been loaded into the kernel.
//
// It can be passed to loadXdpObjects or ebpf.CollectionSpec.LoadAndAssign.
type xdpPrograms struct {
XdpCountPackets *ebpf.Program `ebpf:"xdp_count_packets"`
}
func (p *xdpPrograms) Close() error {
return _XdpClose(
p.XdpCountPackets,
)
}
func _XdpClose(closers ...io.Closer) error {
for _, closer := range closers {
if err := closer.Close(); err != nil {
return err
}
}
return nil
}
// Do not access this directly.
//
//go:embed xdp_x86_bpfel.o
var _XdpBytes []byte