passt: Introduce ICMP echo proxy

It's nice to be able to confirm connectivity using ICMP or ICMPv6
echo requests, and "ping" sockets on Linux (IPPROTO_ICMP datagram)
allow us to do that without any special capability.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/passt.h b/passt.h
index ff16134..9844858 100644
--- a/passt.h
+++ b/passt.h
@@ -1,5 +1,6 @@
 #define UNIX_SOCK_PATH	"/tmp/passt.socket"
 
+#include "icmp.h"
 #include "tcp.h"
 
 /**
@@ -39,5 +40,6 @@ struct ctx {
 
 	char ifn[IF_NAMESIZE];
 
+	struct icmp_ctx icmp;
 	struct tcp_ctx tcp;
 };