/
l2fib_vppcalls.go
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/
l2fib_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_324
import (
"errors"
"net"
l2 "github.com/ligato/vpp-agent/api/models/vpp/l2"
vpp_l2 "github.com/ligato/vpp-agent/plugins/vpp/binapi/vpp2001_324/l2"
)
// AddL2FIB creates L2 FIB table entry.
func (h *FIBVppHandler) AddL2FIB(fib *l2.FIBEntry) error {
return h.l2fibAddDel(fib, true)
}
// DeleteL2FIB removes existing L2 FIB table entry.
func (h *FIBVppHandler) DeleteL2FIB(fib *l2.FIBEntry) error {
return h.l2fibAddDel(fib, false)
}
func (h *FIBVppHandler) l2fibAddDel(fib *l2.FIBEntry, isAdd bool) (err error) {
// get bridge domain metadata
bdMeta, found := h.bdIndexes.LookupByName(fib.BridgeDomain)
if !found {
return errors.New("failed to get bridge domain metadata")
}
// get outgoing interface index
swIfIndex := ^uint32(0) // ~0 is used by DROP entries
if fib.Action == l2.FIBEntry_FORWARD {
ifaceMeta, found := h.ifIndexes.LookupByName(fib.OutgoingInterface)
if !found {
return errors.New("failed to get interface metadata")
}
swIfIndex = ifaceMeta.GetIndex()
}
// parse MAC address
var mac []byte
if fib.PhysAddress != "" {
mac, err = net.ParseMAC(fib.PhysAddress)
if err != nil {
return err
}
}
// add L2 FIB
req := &vpp_l2.L2fibAddDel{
IsAdd: boolToUint(isAdd),
Mac: mac,
BdID: bdMeta.GetIndex(),
SwIfIndex: swIfIndex,
BviMac: boolToUint(fib.BridgedVirtualInterface),
StaticMac: boolToUint(fib.StaticConfig),
FilterMac: boolToUint(fib.Action == l2.FIBEntry_DROP),
}
reply := &vpp_l2.L2fibAddDelReply{}
if err := h.callsChannel.SendRequest(req).ReceiveReply(reply); err != nil {
return err
}
return nil
}