go.ligato.io/vpp-agent/v3@v3.5.0/plugins/vpp/ifplugin/vppcalls/vpp2210/rdma_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 vpp2210
    16  
    17  import (
    18  	"context"
    19  
    20  	"github.com/pkg/errors"
    21  
    22  	"go.ligato.io/vpp-agent/v3/plugins/vpp"
    23  	interfaces "go.ligato.io/vpp-agent/v3/proto/ligato/vpp/interfaces"
    24  
    25  	"go.ligato.io/vpp-agent/v3/plugins/vpp/binapi/vpp2210/interface_types"
    26  	vpp_rdma "go.ligato.io/vpp-agent/v3/plugins/vpp/binapi/vpp2210/rdma"
    27  )
    28  
    29  // AddRdmaInterface adds new interface with RDMA driver.
    30  func (h *InterfaceVppHandler) AddRdmaInterface(ctx context.Context, ifName string, rdmaLink *interfaces.RDMALink) (swIdx uint32, err error) {
    31  	if h.rdma == nil {
    32  		return 0, errors.WithMessage(vpp.ErrPluginDisabled, "rdma")
    33  	}
    34  
    35  	req := &vpp_rdma.RdmaCreateV3{
    36  		HostIf:  rdmaLink.GetHostIfName(),
    37  		Name:    ifName,
    38  		RxqNum:  uint16(rdmaLink.GetRxqNum()),
    39  		RxqSize: uint16(rdmaLink.GetRxqSize()),
    40  		TxqSize: uint16(rdmaLink.GetTxqSize()),
    41  		Mode:    rdmaMode(rdmaLink.GetMode()),
    42  	}
    43  
    44  	reply := &vpp_rdma.RdmaCreateV3Reply{}
    45  	if err := h.callsChannel.SendRequest(req).ReceiveReply(reply); err != nil {
    46  		return 0, err
    47  	}
    48  	swIdx = uint32(reply.SwIfIndex)
    49  
    50  	return swIdx, h.SetInterfaceTag(ifName, swIdx)
    51  }
    52  
    53  // DeleteRdmaInterface removes interface with RDMA driver.
    54  func (h *InterfaceVppHandler) DeleteRdmaInterface(ctx context.Context, ifName string, ifIdx uint32) error {
    55  	if h.rdma == nil {
    56  		return errors.WithMessage(vpp.ErrPluginDisabled, "rdma")
    57  	}
    58  
    59  	req := &vpp_rdma.RdmaDelete{
    60  		SwIfIndex: interface_types.InterfaceIndex(ifIdx),
    61  	}
    62  
    63  	reply := &vpp_rdma.RdmaDeleteReply{}
    64  	if err := h.callsChannel.SendRequest(req).ReceiveReply(reply); err != nil {
    65  		return err
    66  	}
    67  
    68  	return h.RemoveInterfaceTag(ifName, ifIdx)
    69  }
    70  
    71  func rdmaMode(mode interfaces.RDMALink_Mode) vpp_rdma.RdmaMode {
    72  	switch mode {
    73  	case interfaces.RDMALink_DV:
    74  		return vpp_rdma.RDMA_API_MODE_DV
    75  	case interfaces.RDMALink_IBV:
    76  		return vpp_rdma.RDMA_API_MODE_IBV
    77  	default:
    78  		return vpp_rdma.RDMA_API_MODE_AUTO
    79  	}
    80  }