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add ipv6 to xnet.StackAsync (#107)

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* add ipv6 to xnet.StackAsync

* dns improvements

* improve DNS workings of StackAsync

* add tentative ICMPv6

* work on prefixes and fix some small bugs, plan UDP/TCP6

* fix bugs in StackAsync and ipv4.Prefix.Contains

* update arpsubtable

* completely remove legacy internet.StackIP for StackIPv4/v6

* ipv4/ipv6 tcp/udp

* add TCP6/UDP6 dialing APIs

* add xnet.Stack6 interface

* more ipv6 integration into StackAsync; various tweaks to lneto and documentation+TODOs

* add stack6 tests

* replace netip.Prefix with ipv4.Prefix where it makes sense
This commit is contained in:
Pat Whittingslow
2026-05-13 15:31:18 -03:00
committed by GitHub
parent 7d5830d7ab
commit a2970b923d
44 changed files with 1938 additions and 395 deletions
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internet/stack-ports.go
+11 -9
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@@ -33,8 +33,6 @@ func (ps *StackPorts) ResetTCP(maxNodes uint16) error {
func (ps *StackPorts) Reset(protocol uint64, dstPortOffset, maxNodes uint16) error {
if protocol > math.MaxUint16 {
return lneto.ErrInvalidConfig
} else if maxNodes <= 0 {
return lneto.ErrInvalidConfig
}
ps.handlers.reset("StackPorts(proto="+strconv.Itoa(int(protocol))+")", int(maxNodes))
*ps = StackPorts{
@@ -105,25 +103,29 @@ type StackPortsMACFiltered struct {
sp StackPorts
}
func (mfsp *StackPortsMACFiltered) Register(h lneto.StackNode, addr []byte) error {
func (mfsp *StackPortsMACFiltered) RegisterMACFiltered(h lneto.StackNode, macAddr []byte) error {
// TODO(soypat): We can likely constrain memory and the slice lifetime if StackPortsMACFiltered owns it
// or better yet, if the handlers node slice owns the memory. We need to think carefully of who has write access (the ARP and NDP handlers)
// and make sure that they never write after the connection has been terminated. Idea:
// RegisterMACFiltered(h lneto.StackNode, filterMAC bool) (macAddr *[6]byte, connIDthing *uint8, err error)
port := h.LocalPort()
proto := h.Protocol()
if port <= 0 {
return lneto.ErrZeroSource
} else if proto != uint64(mfsp.sp.protocol) {
return lneto.ErrInvalidConfig
} else if addr != nil && len(addr) != 6 {
} else if macAddr != nil && len(macAddr) != 6 {
return lneto.ErrInvalidAddr
}
return mfsp.sp.handlers.registerByPortProto(nodeFromStackNode(h, port, proto, addr))
return mfsp.sp.handlers.registerByPortProto(nodeFromStackNode(h, port, proto, macAddr))
}
func (ps *StackPortsMACFiltered) ResetUDP(maxNodes uint16) error {
return ps.sp.ResetUDP(maxNodes)
func (ps *StackPortsMACFiltered) ResetUDP(maxNodes uint16) {
ps.sp.ResetUDP(maxNodes) // Can't error.
}
func (ps *StackPortsMACFiltered) ResetTCP(maxNodes uint16) error {
return ps.sp.ResetTCP(maxNodes)
func (ps *StackPortsMACFiltered) ResetTCP(maxNodes uint16) {
ps.sp.ResetTCP(maxNodes) // Can't error.
}
func (ps *StackPortsMACFiltered) Reset(protocol uint64, dstPortOffset, maxNodes uint16) error {