From 95499e2e132b1c619704b6fbc452e661633b3233 Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Mon, 22 Nov 2010 13:54:48 -0800
Subject: packet_router: dont register mac, also reorganized some tidbits

---
 firmware/microblaze/lib/net_common.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'firmware/microblaze/lib/net_common.h')

diff --git a/firmware/microblaze/lib/net_common.h b/firmware/microblaze/lib/net_common.h
index 5e364adeb..4004ca6e6 100644
--- a/firmware/microblaze/lib/net_common.h
+++ b/firmware/microblaze/lib/net_common.h
@@ -23,6 +23,13 @@
 #include <net/socket_address.h>
 #include <net/eth_mac_addr.h>
 
+/*
+ * 1's complement sum for IP and UDP headers
+ *
+ * init chksum to zero to start.
+ */
+unsigned int CHKSUM(unsigned int x, unsigned int *chksum);
+
 typedef void (*udp_receiver_t)(struct socket_address src, struct socket_address dst,
 			       unsigned char *payload, int payload_len);
 
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