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afpacket_vppcalls.go
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afpacket_vppcalls.go
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// Copyright (c) 2019 Cisco and/or its affiliates.
//
// 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 vpp1904
import (
"net"
interfaces "github.com/ligato/vpp-agent/api/models/vpp/interfaces"
"github.com/ligato/vpp-agent/plugins/vpp/binapi/vpp1904/af_packet"
)
// AddAfPacketInterface implements AfPacket handler.
func (h *InterfaceVppHandler) AddAfPacketInterface(ifName string, hwAddr string, afPacketIntf *interfaces.AfpacketLink) (swIndex uint32, err error) {
req := &af_packet.AfPacketCreate{
HostIfName: []byte(afPacketIntf.HostIfName),
}
if hwAddr == "" {
req.UseRandomHwAddr = 1
} else {
mac, err := net.ParseMAC(hwAddr)
if err != nil {
return 0, err
}
req.HwAddr = mac
}
reply := &af_packet.AfPacketCreateReply{}
if err = h.callsChannel.SendRequest(req).ReceiveReply(reply); err != nil {
return 0, err
}
return reply.SwIfIndex, h.SetInterfaceTag(ifName, reply.SwIfIndex)
}
// DeleteAfPacketInterface implements AfPacket handler.
func (h *InterfaceVppHandler) DeleteAfPacketInterface(ifName string, idx uint32, afPacketIntf *interfaces.AfpacketLink) error {
req := &af_packet.AfPacketDelete{
HostIfName: []byte(afPacketIntf.HostIfName),
}
reply := &af_packet.AfPacketDeleteReply{}
if err := h.callsChannel.SendRequest(req).ReceiveReply(reply); err != nil {
return err
}
return h.RemoveInterfaceTag(ifName, idx)
}