From ec8d8abff4130983c2c16fc5e3203aab8bedd063 Mon Sep 17 00:00:00 2001
From: Nico Schottelius <nico@nico-notebook.schottelius.org>
Date: Tue, 5 Mar 2019 19:56:11 +0100
Subject: [PATCH] Checksum in scapy: none = recalc

---
 p4app/controller.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/p4app/controller.py b/p4app/controller.py
index b7433f9..b1d6c17 100644
--- a/p4app/controller.py
+++ b/p4app/controller.py
@@ -246,8 +246,13 @@ class L2Controller(object):
 
         # S=1 -> solicitated
         i2 = ICMPv6ND_NA(S=1, tgt=src_addr)
+
+        # Force scapy to recalculate
+        i2.chksum = None
+
         i3 = ICMPv6NDOptSrcLLAddr(lladdr=src_mac)
 
+
         answer = e / i / i2 / i3
         self.send_pkg(answer)