ws2_32: Move the setsockopt(IPV6_MULTICAST_HOPS) implementation to ntdll.

dlls/ntdll/unix/socket.c

@@ -1867,6 +1867,9 @@ NTSTATUS sock_ioctl( HANDLE handle, HANDLE event, PIO_APC_ROUTINE apc, void *apc
         case IOCTL_AFD_WINE_GET_IPV6_MULTICAST_HOPS:
             return do_getsockopt( handle, io, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, out_buffer, out_size );
 
+        case IOCTL_AFD_WINE_SET_IPV6_MULTICAST_HOPS:
+            return do_setsockopt( handle, io, IPPROTO_IPV6, IPV6_MULTICAST_HOPS, in_buffer, in_size );
+
         default:
         {
             if ((code >> 16) == FILE_DEVICE_NETWORK)

dlls/ws2_32/socket.c

@@ -3627,8 +3627,10 @@ int WINAPI WS_setsockopt(SOCKET s, int level, int optname,
         case WS_IPV6_DROP_MEMBERSHIP:
             return server_setsockopt( s, IOCTL_AFD_WINE_SET_IPV6_DROP_MEMBERSHIP, optval, optlen );
 
-        case WS_IPV6_MULTICAST_IF:
         case WS_IPV6_MULTICAST_HOPS:
+            return server_setsockopt( s, IOCTL_AFD_WINE_SET_IPV6_MULTICAST_HOPS, optval, optlen );
+
+        case WS_IPV6_MULTICAST_IF:
         case WS_IPV6_MULTICAST_LOOP:
         case WS_IPV6_UNICAST_HOPS:
 #ifdef IPV6_UNICAST_IF

include/wine/afd.h

@@ -212,6 +212,7 @@ struct afd_get_events_params
 #define IOCTL_AFD_WINE_SET_IPV6_DONTFRAG                WINE_AFD_IOC(267)
 #define IOCTL_AFD_WINE_SET_IPV6_DROP_MEMBERSHIP         WINE_AFD_IOC(268)
 #define IOCTL_AFD_WINE_GET_IPV6_MULTICAST_HOPS          WINE_AFD_IOC(269)
+#define IOCTL_AFD_WINE_SET_IPV6_MULTICAST_HOPS          WINE_AFD_IOC(270)
 
 struct afd_create_params
 {