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af_xdp.go
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/
af_xdp.go
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// Copyright (C) 2020 Cisco Systems Inc.
//
// 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 vpplink
import (
"fmt"
"github.com/projectcalico/vpp-dataplane/v3/vpplink/generated/bindings/af_xdp"
"github.com/projectcalico/vpp-dataplane/v3/vpplink/generated/bindings/interface_types"
"github.com/projectcalico/vpp-dataplane/v3/vpplink/types"
)
func (v *VppLink) CreateAfXDP(intf *types.VppXDPInterface) error {
client := af_xdp.NewServiceClient(v.GetConnection())
request := &af_xdp.AfXdpCreate{
HostIf: intf.HostInterfaceName,
Name: intf.Name,
RxqNum: uint16(DefaultIntTo(intf.NumRxQueues, 1)),
RxqSize: uint16(DefaultIntTo(intf.RxQueueSize, 1024)),
TxqSize: uint16(DefaultIntTo(intf.TxQueueSize, 1024)),
Mode: af_xdp.AF_XDP_API_MODE_AUTO,
}
response, err := client.AfXdpCreate(v.GetContext(), request)
if err != nil {
return fmt.Errorf("failed to create AfXDP (%+v): %w", request, err)
}
intf.SwIfIndex = uint32(response.SwIfIndex)
return nil
}
func (v *VppLink) DeleteAfXDP(intf *types.VppXDPInterface) error {
client := af_xdp.NewServiceClient(v.GetConnection())
_, err := client.AfXdpDelete(v.GetContext(), &af_xdp.AfXdpDelete{
SwIfIndex: interface_types.InterfaceIndex(intf.SwIfIndex),
})
if err != nil {
return fmt.Errorf("failed to delete AfXDP (%v): %w", intf.SwIfIndex, err)
}
return nil
}