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Add udp.PacketConn (#112)

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* update README table and begin planning udp.PacketConn

* first attempt at packetconn implementation

* add udp.PacketConn to StackAsync and implement SocketNetip iface

* add tests for PacketConn
This commit is contained in:
Pat Whittingslow
2026-05-14 12:48:07 -03:00
committed by GitHub
parent b95eb03aa5
commit 9fcb7e9b52
6 changed files with 647 additions and 17 deletions
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README.md
+6 -6
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@@ -3,7 +3,7 @@
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Userspace networking primitives.
@@ -96,14 +96,14 @@ ok github.com/soypat/lneto/x/xnet 2.926s
| UDP | RFC 768 | ✅ | `udp` | — | Handler + thread-safe `Conn` |
| TCP | RFC 9293 | ✅ | `tcp` | 0 ²³ | Full state machine, SYN cookies, retransmit queue, `Conn`/`Listener` |
| DNS | RFC 1035 | ✅ | `dns` | — | Client (A/AAAA query) |
| DHCPv4 | RFC 2131 | ✅ | `dhcpv4` | — | Client + Server |
| DHCPv4 | RFC 2131 | ✅ | `dhcp/dhcpv4` | — | Client + Server |
| NTP | RFC 5905 | ✅ | `ntp` | — | Client |
| mDNS | RFC 6762 | ✅ | `mdns` | — | Client (service announcement + query) |
| mDNS | RFC 6762 | ✅ | `dns/mdns` | — | Client (service announcement + query) |
| HTTP/1.1 headers | RFC 9110, RFC 9112 | ✅ | `http/httpraw` | 2 ⁴ | Header parse/format; no field normalization |
| Ethernet PHY/MDIO | IEEE 802.3 cl.22/45 | ✅ | `phy` | — | Bare-metal PHY management via MDIO |
| IPv6 | RFC 8200 | 🟡 | `ipv6` | — | Frame parsing only; no stack handler |
| ICMPv6 | RFC 4443 | ❌ | — | — | Not implemented |
| DHCPv6 | RFC 8415 | ❌ | — | — | Not implemented |
| IPv6 | RFC 8200 | ✅ | `ipv6` | — | Frame parsing and stack handling |
| ICMPv6 | RFC 4443 | ✅ | `ipv6/icmpv6` | — | Echo+NDP frame parsing and stack handling |
| DHCPv6 | RFC 8415 | 🟡 | `dhcp/dhcpv6` | — | Frame parsing and standalone handling |
| TLS 1.3 | RFC 8446 | ❌ | — | — | Not implemented |
¹ `BenchmarkARPExchange` — full ARP request/response exchange over Ethernet: **0 B/op, 0 allocs/op**