socket: Add functions for multicast group join/leave and IPv6 socket creation

Add functions missed in previous commit, 069060cad6d9 ("llmnrd: Join IP
multicast group on each new interface"). Also add socket_open_ipv6() to
creat IPv6 sockets. Not used yet.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>

1 files changed, 6 insertions, 1 deletions

diff --git a/socket.h b/socket.h
index 192c08f..bb555c8 100644
--- a/socket.h
+++ b/socket.h
@@ -19,9 +19,14 @@
 #ifndef SOCKET_H
 #define SOCKET_H
 
+#include <stdbool.h>
 #include <stdint.h>
 
-int socket_open_v4(uint16_t port);
+int socket_open_ipv4(uint16_t port);
+int socket_open_ipv6(uint16_t port);
 int socket_open_rtnl(void);
 
+int socket_mcast_group_ipv4(int sock, unsigned int ifindex, bool join);
+int socket_mcast_group_ipv6(int sock, unsigned int ifindex, bool join);
+
 #endif /* SOCKET_H */