From f2f163adbda561f9a7ed4889f86f662b56094259 Mon Sep 17 00:00:00 2001
From: Erik Ekman <yarrick@kryo.se>
Date: Thu, 8 Jun 2006 16:33:53 +0000
Subject: [PATCH] Added comments about tunnel magic numbers

---
 dnstund.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dnstund.c b/dnstund.c
index 23f433c..a7fe8d2 100644
--- a/dnstund.c
+++ b/dnstund.c
@@ -97,9 +97,9 @@ tunnel(int tun_fd, int dns_fd)
 					
 					frame->flags = htons(0x0000);
 #ifdef LINUX
-					frame->proto = htons(0x0800);
+					frame->proto = htons(0x0800);	// Linux wants ETH_P_IP
 #else
-					frame->proto = htons(0x0002);
+					frame->proto = htons(0x0002);	// BSD wants AF_INET as long word
 #endif
 					write_tun(tun_fd, frame, buflen + 4);
 				}