From: Marcin Siodelski <marcin@isc.org>
Date: Thu, 8 Sep 2016 09:29:15 +0000 (+0200)
Subject: [5003] Updated commentary about use of pseudo headers on OSX.
X-Git-Tag: trac5006_base~21
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c73117264df9547b50085b81fdb5d3562cfcac1a;p=thirdparty%2Fkea.git

[5003] Updated commentary about use of pseudo headers on OSX.
---

diff --git a/src/lib/dhcp/pkt_filter_bpf.cc b/src/lib/dhcp/pkt_filter_bpf.cc
index 358a927d69..6c634c3fb2 100644
--- a/src/lib/dhcp/pkt_filter_bpf.cc
+++ b/src/lib/dhcp/pkt_filter_bpf.cc
@@ -490,7 +490,9 @@ PktFilterBPF::receive(Iface& iface, const SocketInfo& socket_info) {
 
     // On local loopback interface the ethernet header is not present.
     // Instead, there is a 4-byte long pseudo header containing the
-    // address family in the host byte order.
+    // address family in the host byte order. Note that this header
+    // is present in the received messages on OSX, but should not be
+    // included in the sent messages on OSX.
     if (iface.flag_loopback_) {
         if (buf.getLength() < BPF_LOCAL_LOOPBACK_HEADER_LEN) {
             isc_throw(SocketReadError, "packet received on local loopback"