INET: Add functions to header types to get offset in packet and start of payload; add function to split packet at last known header

1 files changed, 21 insertions, 0 deletions

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 */ }