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Automated cherry pick of #113742: Introducing LoadbalancerPortMapping flags for VipExternalIP #114040

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5 changes: 5 additions & 0 deletions pkg/proxy/winkernel/hnsV2.go
Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,8 @@ type hnsV2 struct{}
var (
// LoadBalancerFlagsIPv6 enables IPV6.
LoadBalancerFlagsIPv6 hcn.LoadBalancerFlags = 2
// LoadBalancerPortMappingFlagsVipExternalIP enables VipExternalIP.
LoadBalancerPortMappingFlagsVipExternalIP hcn.LoadBalancerPortMappingFlags = 16
)

func (hns hnsV2) getNetworkByName(name string) (*hnsNetworkInfo, error) {
Expand Down Expand Up @@ -279,6 +281,9 @@ func (hns hnsV2) getLoadBalancer(endpoints []endpointsInfo, flags loadBalancerFl
if flags.localRoutedVIP {
lbPortMappingFlags |= hcn.LoadBalancerPortMappingFlagsLocalRoutedVIP
}
if flags.isVipExternalIP {
lbPortMappingFlags |= LoadBalancerPortMappingFlagsVipExternalIP
}

lbFlags := hcn.LoadBalancerFlagsNone
if flags.isDSR {
Expand Down
7 changes: 4 additions & 3 deletions pkg/proxy/winkernel/proxier.go
Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,7 @@ type loadBalancerIdentifier struct {
type loadBalancerFlags struct {
isILB bool
isDSR bool
isVipExternalIP bool
localRoutedVIP bool
useMUX bool
preserveDIP bool
Expand Down Expand Up @@ -1292,7 +1293,7 @@ func (proxier *Proxier) syncProxyRules() {
if len(nodePortEndpoints) > 0 {
hnsLoadBalancer, err := hns.getLoadBalancer(
nodePortEndpoints,
loadBalancerFlags{isDSR: svcInfo.localTrafficDSR, localRoutedVIP: true, sessionAffinity: sessionAffinityClientIP, isIPv6: proxier.isIPv6Mode},
loadBalancerFlags{isVipExternalIP: true, isDSR: svcInfo.localTrafficDSR, localRoutedVIP: true, sessionAffinity: sessionAffinityClientIP, isIPv6: proxier.isIPv6Mode},
sourceVip,
"",
Enum(svcInfo.Protocol()),
Expand Down Expand Up @@ -1324,7 +1325,7 @@ func (proxier *Proxier) syncProxyRules() {
// Try loading existing policies, if already available
hnsLoadBalancer, err = hns.getLoadBalancer(
externalIPEndpoints,
loadBalancerFlags{isDSR: svcInfo.localTrafficDSR, sessionAffinity: sessionAffinityClientIP, isIPv6: proxier.isIPv6Mode},
loadBalancerFlags{isVipExternalIP: true, isDSR: svcInfo.localTrafficDSR, sessionAffinity: sessionAffinityClientIP, isIPv6: proxier.isIPv6Mode},
sourceVip,
externalIP.ip,
Enum(svcInfo.Protocol()),
Expand Down Expand Up @@ -1353,7 +1354,7 @@ func (proxier *Proxier) syncProxyRules() {
if len(lbIngressEndpoints) > 0 {
hnsLoadBalancer, err := hns.getLoadBalancer(
lbIngressEndpoints,
loadBalancerFlags{isDSR: svcInfo.preserveDIP || svcInfo.localTrafficDSR, useMUX: svcInfo.preserveDIP, preserveDIP: svcInfo.preserveDIP, sessionAffinity: sessionAffinityClientIP, isIPv6: proxier.isIPv6Mode},
loadBalancerFlags{isVipExternalIP: true, isDSR: svcInfo.preserveDIP || svcInfo.localTrafficDSR, useMUX: svcInfo.preserveDIP, preserveDIP: svcInfo.preserveDIP, sessionAffinity: sessionAffinityClientIP, isIPv6: proxier.isIPv6Mode},
sourceVip,
lbIngressIP.ip,
Enum(svcInfo.Protocol()),
Expand Down