Add a CARP dissector and a command-line option to dissect proto 112 as CARP.

CARP and VRRP both use IP protocol number 112, so there needs to be a -T
flag to specify that protocol 112 be dissected as CARP rather than VRRP.

Also update the man page.

1 files changed, 3 insertions, 0 deletions

diff --git a/ipproto.h b/ipproto.h
index 96407541..c9801a62 100644
--- a/ipproto.h
+++ b/ipproto.h
@@ -133,6 +133,9 @@ extern const struct tok ipproto_values[];
 #ifndef IPPROTO_VRRP
 #define IPPROTO_VRRP		112
 #endif
+#ifndef IPPROTO_CARP
+#define IPPROTO_CARP		112
+#endif
 #ifndef IPPROTO_PGM
 #define IPPROTO_PGM             113
 #endif