191 int ppp_dev_fd = -1;		/* fd for /dev/ppp (new style driver) */  variable
271 		ppp_dev_fd = new_fd;  in set_ppp_fd()
367     if (new_style_driver && ppp_dev_fd >= 0)  in sys_close()
368 	close(ppp_dev_fd);  in sys_close()
388     if (ppp_dev_fd < 0)  in set_kdebugflag()
390     if (ioctl(ppp_dev_fd, PPPIOCSDEBUG, &requested_level) < 0) {  in set_kdebugflag()
497 	    modify_flags(ppp_dev_fd, SC_LOOP_TRAFFIC, 0);  in generic_establish_ppp()
500 	    add_fd(ppp_dev_fd);  in generic_establish_ppp()
603 	    modify_flags(ppp_dev_fd, 0, SC_LOOP_TRAFFIC);  in generic_disestablish_ppp()
605 	} else if (!doing_multilink && ppp_dev_fd >= 0) {  in generic_disestablish_ppp()
606 	    close(ppp_dev_fd);  in generic_disestablish_ppp()
607 	    remove_fd(ppp_dev_fd);  in generic_disestablish_ppp()
608 	    ppp_dev_fd = -1;  in generic_disestablish_ppp()
615 	    ppp_dev_fd = -1;  in generic_disestablish_ppp()
627 	if (ppp_dev_fd >= 0) {  in make_ppp_unit()
629 		close(ppp_dev_fd);  in make_ppp_unit()
631 	ppp_dev_fd = open("/dev/ppp", O_RDWR);  in make_ppp_unit()
632 	if (ppp_dev_fd < 0)  in make_ppp_unit()
634 	flags = fcntl(ppp_dev_fd, F_GETFL);  in make_ppp_unit()
636 	    || fcntl(ppp_dev_fd, F_SETFL, flags | O_NONBLOCK) == -1)  in make_ppp_unit()
640 	x = ioctl(ppp_dev_fd, PPPIOCNEWUNIT, &ifunit);  in make_ppp_unit()
644 		x = ioctl(ppp_dev_fd, PPPIOCNEWUNIT, &ifunit);  in make_ppp_unit()
661 	if (ioctl(ppp_dev_fd, PPPIOCSMRRU, &mrru) < 0)  in cfg_bundle()
664 	modify_flags(ppp_dev_fd, SC_MP_SHORTSEQ|SC_MP_XSHORTSEQ|SC_MULTILINK,  in cfg_bundle()
671 	add_fd(ppp_dev_fd);  in cfg_bundle()
729 	if (ppp_dev_fd >= 0) {  in destroy_bundle()
730 		close(ppp_dev_fd);  in destroy_bundle()
731 		remove_fd(ppp_dev_fd);  in destroy_bundle()
732 		ppp_dev_fd = -1;  in destroy_bundle()
1061 	if (ppp_dev_fd >= 0 && !(proto >= 0xc000 || proto == PPP_CCPFRAG))  in output()
1062 	    fd = ppp_dev_fd;  in output()
1138     if (nr < 0 && new_style_driver && ppp_dev_fd >= 0 && !bundle_eof) {  in read_packet()
1140 	nr = read(ppp_dev_fd, buf, len);  in read_packet()
1147 	    remove_fd(ppp_dev_fd);  in read_packet()
1151     if (new_style_driver && ppp_fd < 0 && ppp_dev_fd < 0)  in read_packet()
1283 	if (new_style_driver && ppp_dev_fd >= 0  in tty_recv_config()
1284 	    && ioctl(ppp_dev_fd, PPPIOCSMRU, (caddr_t) &mru) < 0)  in tty_recv_config()
1309     if (ioctl(ppp_dev_fd, PPPIOCSCOMPRESS, (caddr_t) &data) >= 0)  in ccp_test()
1325 	if (still_ppp() && ppp_dev_fd >= 0)  in ccp_flags_set()
1326 		modify_flags(ppp_dev_fd, SC_CCP_OPEN|SC_CCP_UP, x);  in ccp_flags_set()
1339 	if (ioctl(ppp_dev_fd, PPPIOCSPASS, &fp) < 0) {  in set_filters()
1348 	if (ioctl(ppp_dev_fd, PPPIOCSACTIVE, &fp) < 0) {  in set_filters()
1365     return ioctl(ppp_dev_fd, PPPIOCGIDLE, ip) >= 0;
1405 	if (ioctl(ppp_dev_fd, PPPIOCGFLAGS, &flags) < 0) {  in ccp_fatal_error()
2251 		if (ioctl(ppp_dev_fd, PPPIOCSMAXCID, (caddr_t) &maxcid) < 0) {  in sifvjcomp()
2258 	modify_flags(ppp_dev_fd, SC_COMP_TCP|SC_NO_TCP_CCID, x);  in sifvjcomp()
2697 	modify_flags(ppp_dev_fd, 0, SC_LOOP_TRAFFIC);  in open_ppp_loopback()
2700 	return ppp_dev_fd;  in open_ppp_loopback()
2748     if (ioctl(ppp_dev_fd, PPPIOCSNPMODE, (caddr_t) &npi) < 0) {