/
proxyarp_vppcalls.go
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/
proxyarp_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 vpp2001
import (
vpp_ip "github.com/ligato/vpp-agent/plugins/vpp/binapi/vpp2001/ip"
"github.com/pkg/errors"
)
// EnableProxyArpInterface implements proxy arp handler.
func (h *ProxyArpVppHandler) EnableProxyArpInterface(ifName string) error {
return h.vppAddDelProxyArpInterface(ifName, true)
}
// DisableProxyArpInterface implements proxy arp handler.
func (h *ProxyArpVppHandler) DisableProxyArpInterface(ifName string) error {
return h.vppAddDelProxyArpInterface(ifName, false)
}
// AddProxyArpRange implements proxy arp handler.
func (h *ProxyArpVppHandler) AddProxyArpRange(firstIP, lastIP []byte) error {
return h.vppAddDelProxyArpRange(firstIP, lastIP, true)
}
// DeleteProxyArpRange implements proxy arp handler.
func (h *ProxyArpVppHandler) DeleteProxyArpRange(firstIP, lastIP []byte) error {
return h.vppAddDelProxyArpRange(firstIP, lastIP, false)
}
// vppAddDelProxyArpInterface adds or removes proxy ARP interface entry according to provided input
func (h *ProxyArpVppHandler) vppAddDelProxyArpInterface(ifName string, enable bool) error {
meta, found := h.ifIndexes.LookupByName(ifName)
if !found {
return errors.Errorf("interface %s not found", ifName)
}
req := &vpp_ip.ProxyArpIntfcEnableDisable{
EnableDisable: boolToUint(enable),
SwIfIndex: meta.SwIfIndex,
}
reply := &vpp_ip.ProxyArpIntfcEnableDisableReply{}
if err := h.callsChannel.SendRequest(req).ReceiveReply(reply); err != nil {
return err
}
h.log.Debugf("interface %v enabled for proxy arp: %v", req.SwIfIndex, enable)
return nil
}
// vppAddDelProxyArpRange adds or removes proxy ARP range according to provided input
func (h *ProxyArpVppHandler) vppAddDelProxyArpRange(firstIP, lastIP []byte, isAdd bool) error {
proxy := vpp_ip.ProxyArp{
TableID: 0, // TODO: add support for VRF
}
copy(proxy.Low[:], firstIP)
copy(proxy.Hi[:], lastIP)
req := &vpp_ip.ProxyArpAddDel{
IsAdd: boolToUint(isAdd),
Proxy: proxy,
}
reply := &vpp_ip.ProxyArpAddDelReply{}
if err := h.callsChannel.SendRequest(req).ReceiveReply(reply); err != nil {
return err
}
h.log.Debugf("proxy arp range: %v - %v added: %v", req.Proxy.Low, req.Proxy.Hi, isAdd)
return nil
}