284 #define	PF			0x10  macro
487 	switch (control & ~PF) {  in gsm_print_packet()
525 	if (control & PF)  in gsm_print_packet()
691 	switch (msg->ctrl & ~PF) {  in gsm_is_flow_ctrl_msg()
697 		switch (cmd & ~PF) {  in gsm_is_flow_ctrl_msg()
798 	if (msg->ctrl == UI || msg->ctrl == (UI|PF))  in __gsm_data_queue()
1555 			gsm_command(dlci->gsm, dlci->addr, SABM|PF);  in gsm_dlci_t1()
1557 		} else if (!dlci->addr && gsm->control == (DM | PF)) {  in gsm_dlci_t1()
1571 			gsm_command(dlci->gsm, dlci->addr, DISC|PF);  in gsm_dlci_t1()
1599 	gsm_command(dlci->gsm, dlci->addr, SABM|PF);  in gsm_dlci_begin_open()
1640 	gsm_command(dlci->gsm, dlci->addr, DISC|PF);  in gsm_dlci_begin_close()
1856 	if ((gsm->control & ~PF) == UI)  in gsm_queue()
1883 	case SABM|PF:  in gsm_queue()
1897 	case DISC|PF:  in gsm_queue()
1908 	case UA|PF:  in gsm_queue()
1925 	case DM|PF:  in gsm_queue()
1933 	case UI|PF:  in gsm_queue()
1935 	case UIH|PF:  in gsm_queue()
1941 			gsm_response(gsm, address, DM|PF);  in gsm_queue()