Add #include <machine/in_cksum.h>, in order to pick up the checksum

inline functions and prototypes.

3 files changed, 4 insertions, 1 deletions

diff --git a/sys/netinet/igmp.c b/sys/netinet/igmp.c
index 37f2cc7..77be25b 100644
--- a/sys/netinet/igmp.c
+++ b/sys/netinet/igmp.c
@@ -69,6 +69,8 @@
 #include <netinet/igmp.h>
 #include <netinet/igmp_var.h>
 
+#include <machine/in_cksum.h>
+
 static MALLOC_DEFINE(M_IGMP, "igmp", "igmp state");
 
 static struct router_info *
diff --git a/sys/netinet/in.h b/sys/netinet/in.h
index adb9524..dbff92a 100644
--- a/sys/netinet/in.h
+++ b/sys/netinet/in.h
@@ -452,7 +452,6 @@ struct proc;
 
 int	 in_broadcast __P((struct in_addr, struct ifnet *));
 int	 in_canforward __P((struct in_addr));
-int	 in_cksum __P((struct mbuf *, int));
 int	 in_localaddr __P((struct in_addr));
 char 	*inet_ntoa __P((struct in_addr)); /* in libkern */
 
diff --git a/sys/netinet/ip_icmp.c b/sys/netinet/ip_icmp.c
index c2f464e..1b2a14e 100644
--- a/sys/netinet/ip_icmp.c
+++ b/sys/netinet/ip_icmp.c
@@ -67,6 +67,8 @@
 #include <net/if_types.h>
 #endif
 
+#include <machine/in_cksum.h>
+
 /*
  * ICMP routines: error generation, receive packet processing, and
  * routines to turnaround packets back to the originator, and