From 75c267111088165d96adddff3ccde04fc2080093 Mon Sep 17 00:00:00 2001
From: Doug MacEachern <dougm@hyperic.com>
Date: Sat, 15 Aug 2009 22:22:54 -0700
Subject: [PATCH] ARPHRD_CISCO not in 2.2 kernel headers

---
 src/sigar.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/sigar.c b/src/sigar.c
index 34debf21..15801836 100644
--- a/src/sigar.c
+++ b/src/sigar.c
@@ -1497,6 +1497,10 @@ static void hwaddr_arp_lookup(sigar_net_interface_config_t *ifconfig, int sock)
 
 #include <net/if_arp.h>
 
+#ifndef ARPHRD_CISCO /* not in 2.2 kernel headers */
+#define ARPHRD_CISCO 513 /* Cisco HDLC. */
+#endif
+
 static void get_interface_type(sigar_net_interface_config_t *ifconfig,
                                int family)
 {