go.ligato.io/vpp-agent/v3@v3.5.0/plugins/vpp/ifplugin/vppcalls/vpp2202/afpacket_vppcalls.go (about)

     1  //  Copyright (c) 2022 Cisco and/or its affiliates.
     2  //
     3  //  Licensed under the Apache License, Version 2.0 (the "License");
     4  //  you may not use this file except in compliance with the License.
     5  //  You may obtain a copy of the License at:
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  //  Unless required by applicable law or agreed to in writing, software
    10  //  distributed under the License is distributed on an "AS IS" BASIS,
    11  //  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  //  See the License for the specific language governing permissions and
    13  //  limitations under the License.
    14  
    15  package vpp2202
    16  
    17  import (
    18  	vpp_afpacket "go.ligato.io/vpp-agent/v3/plugins/vpp/binapi/vpp2202/af_packet"
    19  )
    20  
    21  // AddAfPacketInterface implements AfPacket handler.
    22  func (h *InterfaceVppHandler) AddAfPacketInterface(ifName, hwAddr, targetHostIfName string) (swIndex uint32, err error) {
    23  	req := &vpp_afpacket.AfPacketCreate{
    24  		HostIfName: targetHostIfName,
    25  	}
    26  	if hwAddr == "" {
    27  		req.UseRandomHwAddr = true
    28  	} else {
    29  		mac, err := ParseMAC(hwAddr)
    30  		if err != nil {
    31  			return 0, err
    32  		}
    33  		req.HwAddr = mac
    34  	}
    35  	reply := &vpp_afpacket.AfPacketCreateReply{}
    36  
    37  	if err = h.callsChannel.SendRequest(req).ReceiveReply(reply); err != nil {
    38  		return 0, err
    39  	}
    40  
    41  	return uint32(reply.SwIfIndex), h.SetInterfaceTag(ifName, uint32(reply.SwIfIndex))
    42  }
    43  
    44  // DeleteAfPacketInterface implements AfPacket handler.
    45  func (h *InterfaceVppHandler) DeleteAfPacketInterface(ifName string, idx uint32, targetHostIfName string) error {
    46  	req := &vpp_afpacket.AfPacketDelete{
    47  		HostIfName: targetHostIfName,
    48  	}
    49  	reply := &vpp_afpacket.AfPacketDeleteReply{}
    50  
    51  	if err := h.callsChannel.SendRequest(req).ReceiveReply(reply); err != nil {
    52  		return err
    53  	}
    54  
    55  	return h.RemoveInterfaceTag(ifName, idx)
    56  }