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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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README.md
+7 -5
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@@ -2,7 +2,7 @@
[![go.dev reference](https://pkg.go.dev/badge/github.com/soypat/lneto)](https://pkg.go.dev/github.com/soypat/lneto)
[![Go Report Card](https://goreportcard.com/badge/github.com/soypat/lneto)](https://goreportcard.com/report/github.com/soypat/lneto)
[![codecov](https://codecov.io/gh/soypat/lneto/branch/main/graph/badge.svg)](https://codecov.io/gh/soypat/lneto)
[![Go](https://github.com/soypat/lneto/actions/workflows/go.yml/badge.svg)](https://github.com/soypat/lneto/actions/workflows/go.yml)
[![Go](https://github.com/soypat/lneto/actions/workflows/ci.yaml/badge.svg)](https://github.com/soypat/lneto/actions/workflows/ci.yaml)
[![sourcegraph](https://sourcegraph.com/github.com/soypat/lneto/-/badge.svg)](https://sourcegraph.com/github.com/soypat/lneto?badge)
Userspace networking primitives.
@@ -29,12 +29,14 @@ Get a quick showcase of how lneto can be configured and how to get a TCP listeni
### Binary size comparisons
All examples include IPv4, ARP, ICMP, TCP and UDP functionality. Go and TinyGo default build flags used. **DNC**= Does Not Compile.
```sh
go run ./examples/gen/gen-binary-bench # generate table
```
| Program | Extra Protocols | Packet capture printing | amd64 Go | WASM Go | amd64 TinyGo | WASM TinyGo | Pico TinyGo |
| Program | Extra Protocols | Packet capture printing | amd64 Go | WASM Go | amd64 TinyGo | WASM TinyGo | Pico TinyGo |
|---|:---:|:---:|---|---|---|---|---|
| [Lneto MWE](./examples/min-working-example/) | DNS,NTP,DHCP | ✅ | 3.8MB | 4.3MB | 1.3MB | 934kB | 181kB |
| [Gvisor MWE w/ go-net](./examples/_import_examples/gvisor-mwe/)| None | ❌ | 6.6MB | 7.5MB | DNC | DNC | DNC |
| [Lneto MWE](./examples/min-working-example/) | DNS,NTP,DHCP | ✅ | 3.8MB | 4.3MB | 1.6MB | 1.2MB | 185kB |
| [Gvisor MWE w/ go-net](./examples/_import_examples/gvisor-mwe/) | None | ❌ | 6.6MB | 7.4MB | DNC | DNC | DNC |
## `xcurl` example
You may try lneto out on linux with the [xcurl example](./examples/xcurl/) which gets an HTTP page by doing all the low-level networking part using absolutely no standard library.