go.ligato.io/vpp-agent/v3@v3.5.0/plugins/vpp/ipfixplugin/vppcalls/vpp2202/flowprobe_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  	"github.com/pkg/errors"
    19  
    20  	vpp_flowprobe "go.ligato.io/vpp-agent/v3/plugins/vpp/binapi/vpp2202/flowprobe"
    21  	"go.ligato.io/vpp-agent/v3/plugins/vpp/binapi/vpp2202/interface_types"
    22  	ipfix "go.ligato.io/vpp-agent/v3/proto/ligato/vpp/ipfix"
    23  )
    24  
    25  // SetFPParams sends message with configuration for Flowprobe.
    26  func (h *IpfixVppHandler) SetFPParams(conf *ipfix.FlowProbeParams) error {
    27  	var flags vpp_flowprobe.FlowprobeRecordFlags
    28  
    29  	if conf.GetRecordL2() {
    30  		flags |= vpp_flowprobe.FLOWPROBE_RECORD_FLAG_L2
    31  	}
    32  
    33  	if conf.GetRecordL3() {
    34  		flags |= vpp_flowprobe.FLOWPROBE_RECORD_FLAG_L3
    35  	}
    36  
    37  	if conf.GetRecordL4() {
    38  		flags |= vpp_flowprobe.FLOWPROBE_RECORD_FLAG_L4
    39  	}
    40  
    41  	if flags == 0 {
    42  		err := errors.New("one of the record fields (l2, l3 or l4) must be enabled")
    43  		return err
    44  	}
    45  
    46  	req := &vpp_flowprobe.FlowprobeParams{
    47  		RecordFlags:  flags,
    48  		ActiveTimer:  conf.GetActiveTimer(),
    49  		PassiveTimer: conf.GetPassiveTimer(),
    50  	}
    51  	reply := &vpp_flowprobe.FlowprobeParamsReply{}
    52  
    53  	if err := h.callsChannel.SendRequest(req).ReceiveReply(reply); err != nil {
    54  		return err
    55  	}
    56  
    57  	return nil
    58  }
    59  
    60  func (h *IpfixVppHandler) sendFPFeature(isAdd bool, conf *ipfix.FlowProbeFeature) error {
    61  	meta, found := h.ifIndexes.LookupByName(conf.Interface)
    62  	if !found {
    63  		return errors.Errorf("interface %s not found", conf.Interface)
    64  	}
    65  
    66  	var flags vpp_flowprobe.FlowprobeWhichFlags
    67  
    68  	if conf.GetL2() {
    69  		flags |= vpp_flowprobe.FLOWPROBE_WHICH_FLAG_L2
    70  	}
    71  
    72  	if conf.GetIp4() {
    73  		flags |= vpp_flowprobe.FLOWPROBE_WHICH_FLAG_IP4
    74  	}
    75  
    76  	if conf.GetIp6() {
    77  		flags |= vpp_flowprobe.FLOWPROBE_WHICH_FLAG_IP6
    78  	}
    79  
    80  	req := &vpp_flowprobe.FlowprobeTxInterfaceAddDel{
    81  		IsAdd:     isAdd,
    82  		Which:     flags,
    83  		SwIfIndex: interface_types.InterfaceIndex(meta.SwIfIndex),
    84  	}
    85  	reply := &vpp_flowprobe.FlowprobeTxInterfaceAddDelReply{}
    86  
    87  	if err := h.callsChannel.SendRequest(req).ReceiveReply(reply); err != nil {
    88  		return err
    89  	}
    90  
    91  	return nil
    92  }
    93  
    94  // AddFPFeature sends message to enable Flowprobe on interface.
    95  func (h *IpfixVppHandler) AddFPFeature(conf *ipfix.FlowProbeFeature) error {
    96  	return h.sendFPFeature(true, conf)
    97  }
    98  
    99  // DelFPFeature sends message to disable Flowprobe on interface.
   100  func (h *IpfixVppHandler) DelFPFeature(conf *ipfix.FlowProbeFeature) error {
   101  	return h.sendFPFeature(false, conf)
   102  }