nhrpd: implement next hop resolution protocol

This provides DMVPN support and integrates to strongSwan. Please read
README.nhrpd and README.kernel for more details.

[DL: cherry-picked from dafa05e65fe4b3b3ed5525443f554215ba14f42c]
[DL: merge partially resolved, this commit will not build.]
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/lib/log.h b/lib/log.h
index 3413cae5a9..25083a4d70 100644
--- a/lib/log.h
+++ b/lib/log.h
@@ -24,6 +24,7 @@
 #define _ZEBRA_LOG_H
 
 #include <syslog.h>
+#include <stdio.h>
 
 /* Here is some guidance on logging levels to use:
  *
@@ -58,6 +59,7 @@ typedef enum
   ZLOG_LDP,
   ZLOG_ISIS,
   ZLOG_PIM,
+  ZLOG_NHRP,
   ZLOG_RFP,
   ZLOG_WATCHFRR,
 } zlog_proto_t;