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ofnet_flow_test.go
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ofnet_flow_test.go
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package ofnet
import (
"fmt"
"net"
"strings"
"testing"
)
// test portVlan and DSCP flows on all four forwarding modes
func TestOfnetPortDscpFlow(t *testing.T) {
testOfnetPortDscpFlow(t, vrtrAgents[0], "vrtrBridge0")
testOfnetPortDscpFlow(t, vxlanAgents[0], "vxlanBridge0")
testOfnetPortDscpFlow(t, vlanAgents[0], "vlanBridge0")
// FIXME: vlrouter test fails while deleting the local endpoint
// testOfnetPortDscpFlow(t, vlrtrAgents[0], "vlrtrBridge0")
}
// Test adding local endpoint and verify port vlan flow and dscp flow
func testOfnetPortDscpFlow(t *testing.T, agent *OfnetAgent, brName string) {
macAddr, _ := net.ParseMAC(fmt.Sprintf("02:02:0B:0B:02:02"))
ipAddr := net.ParseIP(fmt.Sprintf("11.11.2.2"))
ipv6Addr := net.ParseIP(fmt.Sprintf("2017::2:2"))
endpoint := EndpointInfo{
PortNo: 14,
MacAddr: macAddr,
Vlan: 1,
IpAddr: ipAddr,
Ipv6Addr: ipv6Addr,
Dscp: 10,
}
// Install the local endpoint
err := agent.AddLocalEndpoint(endpoint)
if err != nil {
t.Fatalf("Error installing endpoint: %+v. Err: %v", endpoint, err)
return
}
// get the flow entries
flowList, err := ofctlFlowDump(brName)
if err != nil {
t.Errorf("Error getting flow entries. Err: %v", err)
}
// verify port flow
portVlanFlowMatch := fmt.Sprintf("priority=10,in_port=14 actions=write_metadata:0x100000000/0xff00000000")
if agent.dpName == "vxlan" {
portVlanFlowMatch = fmt.Sprintf("priority=10,in_port=14 actions=push_vlan:0x8100,set_field:4097->vlan_vid,write_metadata:0x100000000/0xff00000000")
}
if !ofctlFlowMatch(flowList, VLAN_TBL_ID, portVlanFlowMatch) {
fmt.Printf("Flows:\n%v", strings.Join(flowList, "\n"))
t.Fatalf("Could not find the flow %s on ovs %s", portVlanFlowMatch, brName)
}
// verify dscp v4 flow
dscpv4FlowMatch := fmt.Sprintf("priority=100,ip,in_port=14 actions=set_field:10->ip_dscp,write_metadata:0x100000000/0xff00000000")
if agent.dpName == "vxlan" {
dscpv4FlowMatch = fmt.Sprintf("priority=100,ip,in_port=14 actions=set_field:10->ip_dscp,push_vlan:0x8100,set_field:4097->vlan_vid,write_metadata:0x100000000/0xff00000000")
}
if !ofctlFlowMatch(flowList, VLAN_TBL_ID, dscpv4FlowMatch) {
fmt.Printf("Flows:\n%v", strings.Join(flowList, "\n"))
t.Fatalf("Could not find the flow %s on ovs %s", dscpv4FlowMatch, brName)
}
// verify dscp v6 flow
dscpv6FlowMatch := fmt.Sprintf("priority=100,ipv6,in_port=14 actions=set_field:10->ip_dscp,write_metadata:0x100000000/0xff00000000")
if agent.dpName == "vxlan" {
dscpv6FlowMatch = fmt.Sprintf("priority=100,ipv6,in_port=14 actions=set_field:10->ip_dscp,push_vlan:0x8100,set_field:4097->vlan_vid,write_metadata:0x100000000/0xff00000000")
}
if !ofctlFlowMatch(flowList, VLAN_TBL_ID, dscpv6FlowMatch) {
fmt.Printf("Flows:\n%v", strings.Join(flowList, "\n"))
t.Fatalf("Could not find the flow %s on ovs %s", dscpv6FlowMatch, brName)
}
// update the endpoint with new DSCP value
endpointInfo := EndpointInfo{
PortNo: 14,
Dscp: 20,
}
// Install the local endpoint
err = agent.UpdateLocalEndpoint(endpointInfo)
if err != nil {
t.Fatalf("Error updating endpoint: %+v. Err: %v", endpointInfo, err)
return
}
// get the flow entries
flowList, err = ofctlFlowDump(brName)
if err != nil {
t.Errorf("Error getting flow entries. Err: %v", err)
}
// verify dscp v4 flow
dscpv4FlowMatch = fmt.Sprintf("priority=100,ip,in_port=14 actions=set_field:20->ip_dscp,write_metadata:0x100000000/0xff00000000")
if agent.dpName == "vxlan" {
dscpv4FlowMatch = fmt.Sprintf("priority=100,ip,in_port=14 actions=set_field:20->ip_dscp,push_vlan:0x8100,set_field:4097->vlan_vid,write_metadata:0x100000000/0xff00000000")
}
if !ofctlFlowMatch(flowList, VLAN_TBL_ID, dscpv4FlowMatch) {
fmt.Printf("Flows:\n%v", strings.Join(flowList, "\n"))
t.Fatalf("Could not find the flow %s on ovs %s", dscpv4FlowMatch, brName)
}
// verify dscp v6 flow
dscpv6FlowMatch = fmt.Sprintf("priority=100,ipv6,in_port=14 actions=set_field:20->ip_dscp,write_metadata:0x100000000/0xff00000000")
if agent.dpName == "vxlan" {
dscpv6FlowMatch = fmt.Sprintf("priority=100,ipv6,in_port=14 actions=set_field:20->ip_dscp,push_vlan:0x8100,set_field:4097->vlan_vid,write_metadata:0x100000000/0xff00000000")
}
if !ofctlFlowMatch(flowList, VLAN_TBL_ID, dscpv6FlowMatch) {
fmt.Printf("Flows:\n%v", strings.Join(flowList, "\n"))
t.Fatalf("Could not find the flow %s on ovs %s", dscpv6FlowMatch, brName)
}
// Clear DSCP value
endpointInfo = EndpointInfo{
PortNo: 14,
Dscp: 0,
}
// Install the local endpoint
err = agent.UpdateLocalEndpoint(endpointInfo)
if err != nil {
t.Fatalf("Error updating endpoint: %+v. Err: %v", endpointInfo, err)
return
}
// get the flow entries
flowList, err = ofctlFlowDump(brName)
if err != nil {
t.Errorf("Error getting flow entries. Err: %v", err)
}
// verify port flow still exists
portVlanFlowMatch = fmt.Sprintf("priority=10,in_port=14 actions=write_metadata:0x100000000/0xff00000000")
if agent.dpName == "vxlan" {
portVlanFlowMatch = fmt.Sprintf("priority=10,in_port=14 actions=push_vlan:0x8100,set_field:4097->vlan_vid,write_metadata:0x100000000/0xff00000000")
}
if !ofctlFlowMatch(flowList, VLAN_TBL_ID, portVlanFlowMatch) {
fmt.Printf("Flows:\n%v", strings.Join(flowList, "\n"))
t.Fatalf("Could not find the flow %s on ovs %s", portVlanFlowMatch, brName)
}
// verify dscp v4 flow is removed
dscpv4FlowMatch = fmt.Sprintf("priority=100,ip,in_port=14 actions=set_field:20->ip_dscp,write_metadata:0x100000000/0xff00000000")
if agent.dpName == "vxlan" {
dscpv4FlowMatch = fmt.Sprintf("priority=100,ip,in_port=14 actions=set_field:20->ip_dscp,push_vlan:0x8100,set_field:4097->vlan_vid,write_metadata:0x100000000/0xff00000000")
}
if ofctlFlowMatch(flowList, VLAN_TBL_ID, dscpv4FlowMatch) {
fmt.Printf("Flows:\n%v", strings.Join(flowList, "\n"))
t.Fatalf("Flow %s is still present on ovs %s", dscpv4FlowMatch, brName)
}
// verify dscp v6 flow is removed
dscpv6FlowMatch = fmt.Sprintf("priority=100,ipv6,in_port=14 actions=set_field:20->ip_dscp,write_metadata:0x100000000/0xff00000000")
if agent.dpName == "vxlan" {
dscpv6FlowMatch = fmt.Sprintf("priority=100,ipv6,in_port=14 actions=set_field:20->ip_dscp,push_vlan:0x8100,set_field:4097->vlan_vid,write_metadata:0x100000000/0xff00000000")
}
if ofctlFlowMatch(flowList, VLAN_TBL_ID, dscpv6FlowMatch) {
fmt.Printf("Flows:\n%v", strings.Join(flowList, "\n"))
t.Fatalf("Flow %s is still present on ovs %s", dscpv6FlowMatch, brName)
}
// Set new DSCP value
endpointInfo = EndpointInfo{
PortNo: 14,
Dscp: 30,
}
// Install the local endpoint
err = agent.UpdateLocalEndpoint(endpointInfo)
if err != nil {
t.Fatalf("Error updating endpoint: %+v. Err: %v", endpointInfo, err)
return
}
// get the flow entries
flowList, err = ofctlFlowDump(brName)
if err != nil {
t.Errorf("Error getting flow entries. Err: %v", err)
}
// verify dscp v4 flow
dscpv4FlowMatch = fmt.Sprintf("priority=100,ip,in_port=14 actions=set_field:30->ip_dscp,write_metadata:0x100000000/0xff00000000")
if agent.dpName == "vxlan" {
dscpv4FlowMatch = fmt.Sprintf("priority=100,ip,in_port=14 actions=set_field:30->ip_dscp,push_vlan:0x8100,set_field:4097->vlan_vid,write_metadata:0x100000000/0xff00000000")
}
if !ofctlFlowMatch(flowList, VLAN_TBL_ID, dscpv4FlowMatch) {
fmt.Printf("Flows:\n%v", strings.Join(flowList, "\n"))
t.Fatalf("Could not find the flow %s on ovs %s", dscpv4FlowMatch, brName)
}
// verify dscp v6 flow
dscpv6FlowMatch = fmt.Sprintf("priority=100,ipv6,in_port=14 actions=set_field:30->ip_dscp,write_metadata:0x100000000/0xff00000000")
if agent.dpName == "vxlan" {
dscpv6FlowMatch = fmt.Sprintf("priority=100,ipv6,in_port=14 actions=set_field:30->ip_dscp,push_vlan:0x8100,set_field:4097->vlan_vid,write_metadata:0x100000000/0xff00000000")
}
if !ofctlFlowMatch(flowList, VLAN_TBL_ID, dscpv6FlowMatch) {
fmt.Printf("Flows:\n%v", strings.Join(flowList, "\n"))
t.Fatalf("Could not find the flow %s on ovs %s", dscpv6FlowMatch, brName)
}
// remove the endpoint
err = agent.RemoveLocalEndpoint(14)
if err != nil {
t.Fatalf("Error removing endpoint port %d. Err: %v", 14, err)
return
}
// get the flow entries
flowList, err = ofctlFlowDump(brName)
if err != nil {
t.Errorf("Error getting flow entries. Err: %v", err)
}
// verify port flow is removed
portVlanFlowMatch = fmt.Sprintf("priority=10,in_port=14 actions=write_metadata:0x100000000/0xff00000000")
if agent.dpName == "vxlan" {
portVlanFlowMatch = fmt.Sprintf("priority=10,in_port=14 actions=push_vlan:0x8100,set_field:4097->vlan_vid,write_metadata:0x100000000/0xff00000000")
}
if ofctlFlowMatch(flowList, VLAN_TBL_ID, portVlanFlowMatch) {
fmt.Printf("Flows:\n%v", strings.Join(flowList, "\n"))
t.Fatalf("Flow %s is still present on ovs %s", portVlanFlowMatch, brName)
}
// verify dscp v4 flow is removed
dscpv4FlowMatch = fmt.Sprintf("priority=100,ip,in_port=14 actions=set_field:30->ip_dscp,write_metadata:0x100000000/0xff00000000")
if agent.dpName == "vxlan" {
dscpv4FlowMatch = fmt.Sprintf("priority=100,ip,in_port=14 actions=set_field:30->ip_dscp,push_vlan:0x8100,set_field:4097->vlan_vid,write_metadata:0x100000000/0xff00000000")
}
if ofctlFlowMatch(flowList, VLAN_TBL_ID, dscpv4FlowMatch) {
fmt.Printf("Flows:\n%v", strings.Join(flowList, "\n"))
t.Fatalf("Flow %s is still present on ovs %s", dscpv4FlowMatch, brName)
}
// verify dscp v6 flow is removed
dscpv6FlowMatch = fmt.Sprintf("priority=100,ipv6,in_port=14 actions=set_field:30->ip_dscp,write_metadata:0x100000000/0xff00000000")
if agent.dpName == "vxlan" {
dscpv6FlowMatch = fmt.Sprintf("priority=100,ipv6,in_port=14 actions=set_field:30->ip_dscp,push_vlan:0x8100,set_field:4097->vlan_vid,write_metadata:0x100000000/0xff00000000")
}
if ofctlFlowMatch(flowList, VLAN_TBL_ID, dscpv6FlowMatch) {
fmt.Printf("Flows:\n%v", strings.Join(flowList, "\n"))
t.Fatalf("Flow %s is still present on ovs %s", dscpv6FlowMatch, brName)
}
}