Add IGMP, prepend_buffer/parse_buffer, split UDP header, discovery tests, test all

2026-04-11 09:04:55 +09:00
parent e486f6501a
commit a6225faa2b
17 changed files with 582 additions and 183 deletions
--- a/firmware/include/eth.h
+++ b/firmware/include/eth.h
@@ -17,4 +17,12 @@ struct __attribute__((packed)) header {
 };
 static_assert(sizeof(header) == 14);

+template <typename Buf>
+void prepend(Buf& buf, const mac_addr& dst, const mac_addr& src, uint16_t ethertype) {
+    auto* h = buf.template prepend<header>();
+    h->dst = dst;
+    h->src = src;
+    h->ethertype = ethertype;
+}
+
 } // namespace eth