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Gate IPv6 forwarding on overlay v6 capability and preserve host RA acceptance

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This commit is contained in:
Viktor Liu
2026-05-20 12:21:51 +02:00
parent af24fd7796
commit c46dee4e6b
10 changed files with 232 additions and 54 deletions
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client/firewall/iptables/router_linux.go
+3 -3
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@@ -101,7 +101,7 @@ func newRouter(iptablesClient *iptables.IPTables, wgIface iFaceMapper, mtu uint1
wgIface: wgIface,
mtu: mtu,
v6: iptablesClient.Proto() == iptables.ProtocolIPv6,
ipFwdState: ipfwdstate.NewIPForwardingState(),
ipFwdState: ipfwdstate.NewIPForwardingState(wgIface.Name()),
}
r.ipsetCounter = refcounter.New(
@@ -763,7 +763,7 @@ func (r *router) updateState() {
}
func (r *router) AddDNATRule(rule firewall.ForwardRule) (firewall.Rule, error) {
if err := r.ipFwdState.RequestForwarding(); err != nil {
if err := r.ipFwdState.RequestForwarding(r.v6); err != nil {
return nil, err
}
@@ -861,7 +861,7 @@ func (r *router) rollbackRules(rules map[string]ruleInfo) error {
}
func (r *router) DeleteDNATRule(rule firewall.Rule) error {
if err := r.ipFwdState.ReleaseForwarding(); err != nil {
if err := r.ipFwdState.ReleaseForwarding(r.v6); err != nil {
log.Errorf("%v", err)
}