// CreatePort creates a port in ovs switch
func (sw *OvsSwitch) CreatePort(intfName, intfType string, cfgEp *OvsCfgEndpointState,
pktTag int) error {
// Ask OVSDB driver to add/delete the port
err := sw.ovsdbDriver.CreatePort(intfName, intfType, cfgEp.ID, pktTag)
if err != nil {
return err
}
defer func() {
if err != nil {
sw.ovsdbDriver.DeletePort(intfName)
}
}()
// Wait a little for OVS to create the interface
time.Sleep(300 * time.Millisecond)
if intfType != "internal" {
log.Fatalf("Not expecting interface type :%s.", intfType)
}
// Set the interface mac address
err = netutils.SetInterfaceMac(intfName, cfgEp.MacAddress)
if err != nil {
log.Errorf("Error setting interface Mac %s on port %s", cfgEp.MacAddress, intfName)
return err
}
// Add the endpoint to ofnet
if sw.netType == "vxlan" {
// Get the openflow port number for the interface
ofpPort, err := sw.ovsdbDriver.GetOfpPortNo(intfName)
if err != nil {
log.Errorf("Could not find the OVS port %s. Err: %v", intfName, err)
return err
}
macAddr, _ := net.ParseMAC(cfgEp.MacAddress)
// Build the endpoint info
endpoint := ofnet.EndpointInfo{
PortNo: ofpPort,
MacAddr: macAddr,
Vlan: uint16(pktTag),
IpAddr: net.ParseIP(cfgEp.IPAddress),
}
// Add the local port to ofnet
err = sw.ofnetAgent.AddLocalEndpoint(endpoint)
if err != nil {
log.Errorf("Error adding local port %s to ofnet. Err: %v", intfName, err)
return err
}
}
return nil
}
// CreatePort creates a port in ovs switch
func (sw *OvsSwitch) CreatePort(intfName string, cfgEp *OvsCfgEndpointState, pktTag int) error {
var ovsIntfType string
// Get OVS port name
ovsPortName := getOvsPostName(intfName)
// Create Veth pairs if required
if useVethPair {
ovsIntfType = ""
// Create a Veth pair
err := createVethPair(intfName, ovsPortName)
if err != nil {
log.Errorf("Error creating veth pairs. Err: %v", err)
return err
}
// Set the OVS side of the port as up
err = setLinkUp(ovsPortName)
if err != nil {
log.Errorf("Error setting link %s up. Err: %v", ovsPortName, err)
return err
}
} else {
ovsIntfType = "internal"
}
// Ask OVSDB driver to add the port
err := sw.ovsdbDriver.CreatePort(ovsPortName, ovsIntfType, cfgEp.ID, pktTag)
if err != nil {
return err
}
defer func() {
if err != nil {
sw.ovsdbDriver.DeletePort(intfName)
}
}()
// Wait a little for OVS to create the interface
time.Sleep(300 * time.Millisecond)
// Set the interface mac address
err = netutils.SetInterfaceMac(intfName, cfgEp.MacAddress)
if err != nil {
log.Errorf("Error setting interface Mac %s on port %s", cfgEp.MacAddress, intfName)
return err
}
// Add the endpoint to ofnet
if sw.netType == "vxlan" {
// Get the openflow port number for the interface
ofpPort, err := sw.ovsdbDriver.GetOfpPortNo(ovsPortName)
if err != nil {
log.Errorf("Could not find the OVS port %s. Err: %v", ovsPortName, err)
return err
}
macAddr, _ := net.ParseMAC(cfgEp.MacAddress)
// Build the endpoint info
endpoint := ofnet.EndpointInfo{
PortNo: ofpPort,
MacAddr: macAddr,
Vlan: uint16(pktTag),
IpAddr: net.ParseIP(cfgEp.IPAddress),
}
// Add the local port to ofnet
err = sw.ofnetAgent.AddLocalEndpoint(endpoint)
if err != nil {
log.Errorf("Error adding local port %s to ofnet. Err: %v", ovsPortName, err)
return err
}
}
return nil
}