vrf_vppcalls.go

//  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 vpp1908

import (
	"github.com/ligato/vpp-agent/plugins/vpp/binapi/vpp1908/interfaces"
)

// SetInterfaceVrf implements interface handler.
func (h *InterfaceVppHandler) SetInterfaceVrf(ifIdx, vrfID uint32) error {
	return h.setInterfaceVrf(ifIdx, vrfID, false)
}

// SetInterfaceVrfIPv6 implements interface handler.
func (h *InterfaceVppHandler) SetInterfaceVrfIPv6(ifIdx, vrfID uint32) error {
	return h.setInterfaceVrf(ifIdx, vrfID, true)
}

// GetInterfaceVrf implements interface handler.
func (h *InterfaceVppHandler) GetInterfaceVrf(ifIdx uint32) (vrfID uint32, err error) {
	return h.getInterfaceVrf(ifIdx, false)
}

// GetInterfaceVrfIPv6 implements interface handler.
func (h *InterfaceVppHandler) GetInterfaceVrfIPv6(ifIdx uint32) (vrfID uint32, err error) {
	return h.getInterfaceVrf(ifIdx, true)
}

// Interface is set to VRF table. Table IP version has to be defined.
func (h *InterfaceVppHandler) setInterfaceVrf(ifIdx, vrfID uint32, isIPv6 bool) error {
	req := &interfaces.SwInterfaceSetTable{
		SwIfIndex: ifIdx,
		VrfID:     vrfID,
		IsIPv6:    boolToUint(isIPv6),
	}
	reply := &interfaces.SwInterfaceSetTableReply{}

	if err := h.callsChannel.SendRequest(req).ReceiveReply(reply); err != nil {
		return err
	}

	h.log.Debugf("Interface %d set to VRF %d", ifIdx, vrfID)

	return nil
}

// Returns VRF ID for provided interface.
func (h *InterfaceVppHandler) getInterfaceVrf(ifIdx uint32, isIPv6 bool) (vrfID uint32, err error) {
	req := &interfaces.SwInterfaceGetTable{
		SwIfIndex: ifIdx,
		IsIPv6:    boolToUint(isIPv6),
	}
	reply := &interfaces.SwInterfaceGetTableReply{}

	if err := h.callsChannel.SendRequest(req).ReceiveReply(reply); err != nil {
		return 0, err
	}

	return reply.VrfID, nil
}