-
Notifications
You must be signed in to change notification settings - Fork 37
/
af_packet.go
63 lines (56 loc) · 2.19 KB
/
af_packet.go
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
// Copyright (C) 2020 Cisco Systems Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package vpplink
import (
"fmt"
"github.com/projectcalico/vpp-dataplane/v3/vpplink/generated/bindings/af_packet"
"github.com/projectcalico/vpp-dataplane/v3/vpplink/generated/bindings/ethernet_types"
"github.com/projectcalico/vpp-dataplane/v3/vpplink/types"
)
func (v *VppLink) CreateAfPacket(intf *types.AfPacketInterface) (swIfIndex uint32, err error) {
client := af_packet.NewServiceClient(v.GetConnection())
request := &af_packet.AfPacketCreateV3{
Mode: af_packet.AF_PACKET_API_MODE_ETHERNET,
UseRandomHwAddr: true,
HostIfName: intf.HostInterfaceName,
RxFramesPerBlock: uint32(intf.RxQueueSize),
TxFramesPerBlock: uint32(intf.TxQueueSize),
RxFrameSize: uint32(1024 * 8 * 8),
TxFrameSize: uint32(1024 * 8 * 8),
NumRxQueues: uint16(intf.NumRxQueues),
NumTxQueues: uint16(intf.NumTxQueues),
Flags: intf.Flags,
}
if intf.HardwareAddr != nil {
request.UseRandomHwAddr = false
request.HwAddr = ethernet_types.NewMacAddress(intf.HardwareAddr)
}
response, err := client.AfPacketCreateV3(v.GetContext(), request)
if err != nil {
return INVALID_SW_IF_INDEX, fmt.Errorf("failed to create AfPacket interface (%+v): %w", request, err)
}
intf.SwIfIndex = uint32(response.SwIfIndex)
return uint32(response.SwIfIndex), nil
}
func (v *VppLink) DeleteAfPacket(ifName string) error {
client := af_packet.NewServiceClient(v.GetConnection())
_, err := client.AfPacketDelete(v.GetContext(), &af_packet.AfPacketDelete{
HostIfName: ifName,
})
if err != nil {
return fmt.Errorf("failed to delete AfPacket interface (%s): %w", ifName, err)
}
return nil
}