1 files changed, 20 insertions, 0 deletions
diff --git a/net/inet.h b/net/inet.h
new file mode 100644
index 0000000..a2e8dd8
--- /dev/null
+++ b/net/inet.h
@@ -0,0 +1,20 @@
+/*
+ * @file
+ * https://en.wikipedia.org/wiki/OSI_model
+ */
+#include <stdint.h>
+
+#define ARP_ETHERNET 1
+#define ARP_IPV4 0x800
+#define ARP_REPLY 2
+#define ARP_REQUEST 1
+#define ETH_P_ARP	0x0806
+
+static uint16_t ntohs(uint16_t val)
+{
+    return val<<8|val>>8;
+}
+static uint16_t htons(uint16_t val)
+{
+    return val<<8|val>>8;
+}