From 11ac0c7acfe2d75d51e56e3a4305bf3209b3d420 Mon Sep 17 00:00:00 2001
From: Ali Saidi <saidi@eecs.umich.edu>
Date: Tue, 6 Jan 2009 10:36:56 -0500
Subject: INET: Add functions to header types to get offset in packet and start
 of payload; add function to split packet at last known header

---
 src/base/inet.cc | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'src/base/inet.cc')

diff --git a/src/base/inet.cc b/src/base/inet.cc
index b8da12a99..8c3240fa6 100644
--- a/src/base/inet.cc
+++ b/src/base/inet.cc
@@ -206,4 +206,25 @@ TcpOpt::sack(vector<SackRange> &vec) const
     return false;
 }
 
+int 
+hsplit(const EthPacketPtr &ptr)
+{
+    int split_point = 0;
+
+    IpPtr ip(ptr);
+    if (ip) {
+        split_point = ip.pstart();
+
+        TcpPtr tcp(ip);
+        if (tcp)
+            split_point = tcp.pstart();
+
+        UdpPtr udp(ip);
+        if (udp)
+            split_point = udp.pstart();
+    }
+    return split_point;
+}
+
+
 /* namespace Net */ }
-- 
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