ws2_32: Use IOCTL_AFD_WINE_GET_SO_RCVBUF.

dlls/ws2_32/socket.c

@@ -2090,7 +2090,6 @@ INT WINAPI WS_getsockopt(SOCKET s, INT level,
 
         /* Handle common cases. The special cases are below, sorted
          * alphabetically */
-        case WS_SO_RCVBUF:
         case WS_SO_REUSEADDR:
         case WS_SO_SNDBUF:
             if ( (fd = get_sock_fd( s, 0, NULL )) == -1)
@@ -2285,6 +2284,10 @@ INT WINAPI WS_getsockopt(SOCKET s, INT level,
             }
             return ret ? 0 : SOCKET_ERROR;
         }
+
+        case WS_SO_RCVBUF:
+            return server_getsockopt( s, IOCTL_AFD_WINE_GET_SO_RCVBUF, optval, optlen );
+
         case WS_SO_RCVTIMEO:
         case WS_SO_SNDTIMEO:
         {

dlls/ws2_32/tests/sock.c

@@ -1224,7 +1224,7 @@ static void test_set_getsockopt(void)
     value = 0xdeadbeef;
     err = getsockopt(s, SOL_SOCKET, SO_RCVBUF, (char *)&value, &size);
     ok( !err, "getsockopt(SO_RCVBUF) failed error: %u\n", WSAGetLastError() );
-    todo_wine ok( value == 4096, "expected 4096, got %u\n", value );
+    ok( value == 4096, "expected 4096, got %u\n", value );
 
     /* SO_LINGER */
     for( i = 0; i < ARRAY_SIZE(linger_testvals);i++) {