2883 lines
67 KiB
C
2883 lines
67 KiB
C
/*
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* Cronyx-Sigma adapter driver for FreeBSD.
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* Supports PPP/HDLC and Cisco/HDLC protocol in synchronous mode,
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* and asyncronous channels with full modem control.
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* Keepalive protocol implemented in both Cisco and PPP modes.
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*
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* Copyright (C) 1994-2002 Cronyx Engineering.
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* Author: Serge Vakulenko, <vak@cronyx.ru>
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*
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* Copyright (C) 1999-2004 Cronyx Engineering.
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* Rewritten on DDK, ported to NETGRAPH, rewritten for FreeBSD 3.x-5.x by
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* Kurakin Roman, <rik@cronyx.ru>
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*
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* This software is distributed with NO WARRANTIES, not even the implied
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* warranties for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Authors grant any other persons or organisations a permission to use,
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* modify and redistribute this software in source and binary forms,
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* as long as this message is kept with the software, all derivative
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* works or modified versions.
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*
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* Cronyx Id: if_cx.c,v 1.1.2.34 2004/06/23 17:09:13 rik Exp $
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#if __FreeBSD_version >= 500000
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# define NCX 1
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#else
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# include "cx.h"
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#endif
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#if NCX > 0
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/proc.h>
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#include <sys/mbuf.h>
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#include <sys/sockio.h>
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#include <sys/malloc.h>
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#include <sys/socket.h>
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#include <sys/conf.h>
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#include <sys/errno.h>
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#include <sys/tty.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <isa/isavar.h>
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#include <sys/fcntl.h>
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#include <sys/interrupt.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <net/if.h>
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#include <machine/cpufunc.h>
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#include <machine/cserial.h>
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#include <machine/clock.h>
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#if __FreeBSD_version < 500000
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# include <machine/ipl.h>
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# include <i386/isa/isa_device.h>
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#endif
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#include <machine/resource.h>
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#if __FreeBSD_version <= 501000
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# include <i386/isa/intr_machdep.h>
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#endif
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#include <dev/cx/machdep.h>
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#include <dev/cx/cxddk.h>
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#include <dev/cx/cronyxfw.h>
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#include "opt_ng_cronyx.h"
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#ifdef NETGRAPH_CRONYX
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# include "opt_netgraph.h"
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# include <netgraph/ng_message.h>
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# include <netgraph/netgraph.h>
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# include <dev/cx/ng_cx.h>
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#else
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# include <net/if_types.h>
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# if __FreeBSD_version < 500000
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# include "sppp.h"
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# if NSPPP <= 0
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# error The device cx requires sppp or netgraph.
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# endif
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# endif
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# include <net/if_sppp.h>
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# define PP_CISCO IFF_LINK2
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# if __FreeBSD_version < 500000
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# include <bpf.h>
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# endif
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# include <net/bpf.h>
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# define NBPFILTER NBPF
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#endif
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#if __FreeBSD_version < 502113
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#define ttyld_modem(foo, bar) ((*linesw[(foo)->t_line].l_modem)((foo), (bar)))
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#define ttyld_rint(foo, bar) ((*linesw[(foo)->t_line].l_rint)((bar), (foo)))
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#define ttyld_start(foo) ((*linesw[(foo)->t_line].l_start)((foo)))
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#define ttyld_open(foo, bar) ((*linesw[(foo)->t_line].l_open) ((bar), (foo)))
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#define ttyld_close(foo, bar) ((*linesw[(foo)->t_line].l_close) ((foo), (bar)))
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#define ttyld_read(foo, bar, barf) ((*linesw[(foo)->t_line].l_read) ((foo), (bar), (barf)))
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#define ttyld_write(foo, bar, barf) ((*linesw[(foo)->t_line].l_write) ((foo), (bar), (barf)))
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#endif
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/* If we don't have Cronyx's sppp version, we don't have fr support via sppp */
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#ifndef PP_FR
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#define PP_FR 0
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#endif
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#define CX_DEBUG(d,s) ({if (d->chan->debug) {\
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printf ("%s: ", d->name); printf s;}})
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#define CX_DEBUG2(d,s) ({if (d->chan->debug>1) {\
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printf ("%s: ", d->name); printf s;}})
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#define UNIT(d) (minor(d) & 0x3f)
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#define IF_CUNIT(d) (minor(d) & 0x40)
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#define UNIT_CTL 0x3f
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#define CALLOUT(d) (minor(d) & 0x80)
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#define CDEV_MAJOR 42
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typedef struct _async_q {
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int beg;
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int end;
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#define BF_SZ 14400
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int buf[BF_SZ+1];
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} async_q;
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#define AQ_GSZ(q) ((BF_SZ + (q)->end - (q)->beg)%BF_SZ)
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#define AQ_PUSH(q,c) {*((q)->buf + (q)->end) = c;\
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(q)->end = ((q)->end + 1)%BF_SZ;}
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#define AQ_POP(q,c) {c = *((q)->buf + (q)->beg);\
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(q)->beg = ((q)->beg + 1)%BF_SZ;}
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static void cx_identify __P((driver_t *, device_t));
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static int cx_probe __P((device_t));
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static int cx_attach __P((device_t));
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static int cx_detach __P((device_t));
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static device_method_t cx_isa_methods [] = {
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DEVMETHOD(device_identify, cx_identify),
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DEVMETHOD(device_probe, cx_probe),
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DEVMETHOD(device_attach, cx_attach),
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DEVMETHOD(device_detach, cx_detach),
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{0, 0}
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};
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typedef struct _cx_dma_mem_t {
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unsigned long phys;
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void *virt;
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size_t size;
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#if __FreeBSD_version >= 500000
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bus_dma_tag_t dmat;
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bus_dmamap_t mapp;
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#endif
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} cx_dma_mem_t;
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typedef struct _drv_t {
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char name [8];
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cx_chan_t *chan;
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cx_board_t *board;
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cx_dma_mem_t dmamem;
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struct tty *tty;
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struct callout_handle dcd_timeout_handle;
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unsigned callout;
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unsigned lock;
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int open_dev;
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int cd;
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int running;
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#ifdef NETGRAPH
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char nodename [NG_NODELEN+1];
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hook_p hook;
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hook_p debug_hook;
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node_p node;
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struct ifqueue lo_queue;
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struct ifqueue hi_queue;
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short timeout;
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struct callout_handle timeout_handle;
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#else
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struct sppp pp;
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#endif
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struct cdev *devt[3];
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async_q aqueue;
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#define CX_READ 1
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#define CX_WRITE 2
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int intr_action;
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short atimeout;
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} drv_t;
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typedef struct _bdrv_t {
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cx_board_t *board;
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struct resource *base_res;
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struct resource *drq_res;
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struct resource *irq_res;
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int base_rid;
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int drq_rid;
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int irq_rid;
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void *intrhand;
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drv_t channel [NCHAN];
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} bdrv_t;
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static driver_t cx_isa_driver = {
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"cx",
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cx_isa_methods,
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sizeof (bdrv_t),
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};
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static devclass_t cx_devclass;
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extern long csigma_fw_len;
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extern const char *csigma_fw_version;
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extern const char *csigma_fw_date;
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extern const char *csigma_fw_copyright;
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extern const cr_dat_tst_t csigma_fw_tvec[];
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extern const u_char csigma_fw_data[];
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static void cx_oproc (struct tty *tp);
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static int cx_param (struct tty *tp, struct termios *t);
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static void cx_stop (struct tty *tp, int flag);
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static void cx_receive (cx_chan_t *c, char *data, int len);
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static void cx_transmit (cx_chan_t *c, void *attachment, int len);
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static void cx_error (cx_chan_t *c, int data);
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static void cx_modem (cx_chan_t *c);
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static void cx_up (drv_t *d);
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static void cx_start (drv_t *d);
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#if __FreeBSD_version < 502113
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static void ttyldoptim(struct tty *tp);
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#endif
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#if __FreeBSD_version < 500000
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static swihand_t cx_softintr;
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#else
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static void cx_softintr (void *);
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static void *cx_fast_ih;
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#endif
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static void cx_down (drv_t *d);
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static void cx_watchdog (drv_t *d);
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static void cx_carrier (void *arg);
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#ifdef NETGRAPH
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extern struct ng_type typestruct;
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#else
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static void cx_ifstart (struct ifnet *ifp);
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static void cx_tlf (struct sppp *sp);
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static void cx_tls (struct sppp *sp);
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static void cx_ifwatchdog (struct ifnet *ifp);
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static int cx_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data);
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static void cx_initialize (void *softc);
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#endif
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static cx_board_t *adapter [NCX];
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static drv_t *channel [NCX*NCHAN];
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static struct callout_handle led_timo [NCX];
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static struct callout_handle timeout_handle;
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extern struct cdevsw cx_cdevsw;
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static int MY_SOFT_INTR;
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/*
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* Print the mbuf chain, for debug purposes only.
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*/
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static void printmbuf (struct mbuf *m)
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{
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printf ("mbuf:");
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for (; m; m=m->m_next) {
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if (m->m_flags & M_PKTHDR)
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printf (" HDR %d:", m->m_pkthdr.len);
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if (m->m_flags & M_EXT)
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printf (" EXT:");
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printf (" %d", m->m_len);
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}
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printf ("\n");
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}
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/*
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* Make an mbuf from data.
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*/
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static struct mbuf *makembuf (void *buf, u_int len)
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{
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struct mbuf *m, *o, *p;
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MGETHDR (m, M_DONTWAIT, MT_DATA);
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if (! m)
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return 0;
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if (len >= MINCLSIZE)
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MCLGET (m, M_DONTWAIT);
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m->m_pkthdr.len = len;
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m->m_len = 0;
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p = m;
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while (len) {
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u_int n = M_TRAILINGSPACE (p);
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if (n > len)
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n = len;
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if (! n) {
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/* Allocate new mbuf. */
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o = p;
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MGET (p, M_DONTWAIT, MT_DATA);
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if (! p) {
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m_freem (m);
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return 0;
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}
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if (len >= MINCLSIZE)
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MCLGET (p, M_DONTWAIT);
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p->m_len = 0;
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o->m_next = p;
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n = M_TRAILINGSPACE (p);
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if (n > len)
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n = len;
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}
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bcopy (buf, mtod (p, caddr_t) + p->m_len, n);
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p->m_len += n;
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buf = n + (char*) buf;
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len -= n;
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}
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return m;
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}
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/*
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* Recover after lost transmit interrupts.
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*/
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static void cx_timeout (void *arg)
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{
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drv_t *d;
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int s, i;
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for (i=0; i<NCX*NCHAN; ++i) {
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d = channel[i];
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if (! d)
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continue;
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s = splhigh ();
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if (d->atimeout == 1 && d->tty && d->tty->t_state & TS_BUSY) {
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d->tty->t_state &= ~TS_BUSY;
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if (d->tty->t_dev) {
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d->intr_action |= CX_WRITE;
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MY_SOFT_INTR = 1;
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#if __FreeBSD_version >= 500000
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swi_sched (cx_fast_ih, 0);
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#else
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setsofttty ();
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#endif
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}
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CX_DEBUG (d, ("cx_timeout\n"));
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}
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if (d->atimeout)
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d->atimeout--;
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splx (s);
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}
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timeout_handle = timeout (cx_timeout, 0, hz*5);
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}
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static void cx_led_off (void *arg)
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{
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cx_board_t *b = arg;
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int s = splhigh ();
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cx_led (b, 0);
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led_timo[b->num].callout = 0;
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splx (s);
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}
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/*
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* Activate interupt handler from DDK.
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*/
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static void cx_intr (void *arg)
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{
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bdrv_t *bd = arg;
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cx_board_t *b = bd->board;
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int s = splhigh ();
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/* Turn LED on. */
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cx_led (b, 1);
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cx_int_handler (b);
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/* Turn LED off 50 msec later. */
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if (! led_timo[b->num].callout)
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led_timo[b->num] = timeout (cx_led_off, b, hz/20);
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splx (s);
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}
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static int probe_irq (cx_board_t *b, int irq)
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{
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int mask, busy, cnt;
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/* Clear pending irq, if any. */
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cx_probe_irq (b, -irq);
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DELAY (100);
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for (cnt=0; cnt<5; ++cnt) {
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/* Get the mask of pending irqs, assuming they are busy.
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* Activate the adapter on given irq. */
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busy = cx_probe_irq (b, irq);
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DELAY (100);
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/* Get the mask of active irqs.
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* Deactivate our irq. */
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mask = cx_probe_irq (b, -irq);
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DELAY (100);
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if ((mask & ~busy) == 1 << irq) {
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cx_probe_irq (b, 0);
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/* printf ("cx%d: irq %d ok, mask=0x%04x, busy=0x%04x\n",
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b->num, irq, mask, busy); */
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return 1;
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}
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}
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/* printf ("cx%d: irq %d not functional, mask=0x%04x, busy=0x%04x\n",
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b->num, irq, mask, busy); */
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cx_probe_irq (b, 0);
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return 0;
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}
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static short porttab [] = {
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0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0,
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0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0
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};
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static char dmatab [] = { 7, 6, 5, 0 };
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static char irqtab [] = { 5, 10, 11, 7, 3, 15, 12, 0 };
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static int cx_is_free_res (device_t dev, int rid, int type, u_long start,
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u_long end, u_long count)
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{
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struct resource *res;
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if (!(res = bus_alloc_resource (dev, type, &rid, start, end, count,
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RF_ALLOCATED)))
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return 0;
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bus_release_resource (dev, type, rid, res);
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|
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return 1;
|
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}
|
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|
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static void cx_identify (driver_t *driver, device_t dev)
|
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{
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u_long iobase, rescount;
|
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int devcount;
|
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device_t *devices;
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device_t child;
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devclass_t my_devclass;
|
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int i, k;
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|
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if ((my_devclass = devclass_find ("cx")) == NULL)
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return;
|
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devclass_get_devices (my_devclass, &devices, &devcount);
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|
|
if (devcount == 0) {
|
|
/* We should find all devices by our self. We could alter other
|
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* devices, but we don't have a choise
|
|
*/
|
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for (i = 0; (iobase = porttab [i]) != 0; i++) {
|
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if (!cx_is_free_res (dev, 1, SYS_RES_IOPORT,
|
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iobase, iobase + NPORT, NPORT))
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continue;
|
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if (cx_probe_board (iobase, -1, -1) == 0)
|
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continue;
|
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|
|
devcount++;
|
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|
|
child = BUS_ADD_CHILD (dev, ISA_ORDER_SPECULATIVE, "cx",
|
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-1);
|
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|
|
if (child == NULL)
|
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return;
|
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|
|
device_set_desc_copy (child, "Cronyx Sigma");
|
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device_set_driver (child, driver);
|
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bus_set_resource (child, SYS_RES_IOPORT, 0,
|
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iobase, NPORT);
|
|
|
|
if (devcount >= NCX)
|
|
break;
|
|
}
|
|
} else {
|
|
static short porttab [] = {
|
|
0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0,
|
|
0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0x3c0, 0x3e0, 0
|
|
};
|
|
/* Lets check user choise.
|
|
*/
|
|
for (k = 0; k < devcount; k++) {
|
|
if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0,
|
|
&iobase, &rescount) != 0)
|
|
continue;
|
|
|
|
for (i = 0; porttab [i] != 0; i++) {
|
|
if (porttab [i] != iobase)
|
|
continue;
|
|
if (!cx_is_free_res (devices[k], 1, SYS_RES_IOPORT,
|
|
iobase, iobase + NPORT, NPORT))
|
|
continue;
|
|
if (cx_probe_board (iobase, -1, -1) == 0)
|
|
continue;
|
|
porttab [i] = -1;
|
|
device_set_desc_copy (devices[k], "Cronyx Sigma");
|
|
break;
|
|
}
|
|
|
|
if (porttab [i] == 0) {
|
|
device_delete_child (
|
|
device_get_parent (devices[k]),
|
|
devices [k]);
|
|
devices[k] = 0;
|
|
continue;
|
|
}
|
|
}
|
|
for (k = 0; k < devcount; k++) {
|
|
if (devices[k] == 0)
|
|
continue;
|
|
if (bus_get_resource (devices[k], SYS_RES_IOPORT, 0,
|
|
&iobase, &rescount) == 0)
|
|
continue;
|
|
for (i = 0; (iobase = porttab [i]) != 0; i++) {
|
|
if (porttab [i] == -1) {
|
|
continue;
|
|
}
|
|
if (!cx_is_free_res (devices[k], 1, SYS_RES_IOPORT,
|
|
iobase, iobase + NPORT, NPORT))
|
|
continue;
|
|
if (cx_probe_board (iobase, -1, -1) == 0)
|
|
continue;
|
|
|
|
bus_set_resource (devices[k], SYS_RES_IOPORT, 0,
|
|
iobase, NPORT);
|
|
porttab [i] = -1;
|
|
device_set_desc_copy (devices[k], "Cronyx Sigma");
|
|
break;
|
|
}
|
|
if (porttab [i] == 0) {
|
|
device_delete_child (
|
|
device_get_parent (devices[k]),
|
|
devices [k]);
|
|
}
|
|
}
|
|
free (devices, M_TEMP);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static int cx_probe (device_t dev)
|
|
{
|
|
int unit = device_get_unit (dev);
|
|
int i;
|
|
u_long iobase, rescount;
|
|
|
|
if (!device_get_desc (dev) ||
|
|
strcmp (device_get_desc (dev), "Cronyx Sigma"))
|
|
return ENXIO;
|
|
|
|
if (bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount) != 0) {
|
|
printf ("cx%d: Couldn't get IOPORT\n", unit);
|
|
return ENXIO;
|
|
}
|
|
|
|
if (!cx_is_free_res (dev, 1, SYS_RES_IOPORT,
|
|
iobase, iobase + NPORT, NPORT)) {
|
|
printf ("cx%d: Resource IOPORT isn't free %lx\n", unit, iobase);
|
|
return ENXIO;
|
|
}
|
|
|
|
for (i = 0; porttab [i] != 0; i++) {
|
|
if (porttab [i] == iobase) {
|
|
porttab [i] = -1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (porttab [i] == 0) {
|
|
return ENXIO;
|
|
}
|
|
|
|
if (!cx_probe_board (iobase, -1, -1)) {
|
|
printf ("cx%d: probing for Sigma at %lx faild\n", unit, iobase);
|
|
return ENXIO;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
static void
|
|
cx_bus_dmamap_addr (void *arg, bus_dma_segment_t *segs, int nseg, int error)
|
|
{
|
|
unsigned long *addr;
|
|
|
|
if (error)
|
|
return;
|
|
|
|
KASSERT(nseg == 1, ("too many DMA segments, %d should be 1", nseg));
|
|
addr = arg;
|
|
*addr = segs->ds_addr;
|
|
}
|
|
|
|
static int
|
|
cx_bus_dma_mem_alloc (int bnum, int cnum, cx_dma_mem_t *dmem)
|
|
{
|
|
int error;
|
|
|
|
error = bus_dma_tag_create (NULL, 16, 0, BUS_SPACE_MAXADDR_24BIT,
|
|
BUS_SPACE_MAXADDR, NULL, NULL, dmem->size, 1,
|
|
dmem->size, 0, NULL, NULL, &dmem->dmat);
|
|
if (error) {
|
|
if (cnum >= 0) printf ("cx%d-%d: ", bnum, cnum);
|
|
else printf ("cx%d: ", bnum);
|
|
printf ("couldn't allocate tag for dma memory\n");
|
|
return 0;
|
|
}
|
|
error = bus_dmamem_alloc (dmem->dmat, (void **)&dmem->virt,
|
|
BUS_DMA_NOWAIT | BUS_DMA_ZERO, &dmem->mapp);
|
|
if (error) {
|
|
if (cnum >= 0) printf ("cx%d-%d: ", bnum, cnum);
|
|
else printf ("cx%d: ", bnum);
|
|
printf ("couldn't allocate mem for dma memory\n");
|
|
bus_dma_tag_destroy (dmem->dmat);
|
|
return 0;
|
|
}
|
|
error = bus_dmamap_load (dmem->dmat, dmem->mapp, dmem->virt,
|
|
dmem->size, cx_bus_dmamap_addr, &dmem->phys, 0);
|
|
if (error) {
|
|
if (cnum >= 0) printf ("cx%d-%d: ", bnum, cnum);
|
|
else printf ("cx%d: ", bnum);
|
|
printf ("couldn't load mem map for dma memory\n");
|
|
bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
|
|
bus_dma_tag_destroy (dmem->dmat);
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
cx_bus_dma_mem_free (cx_dma_mem_t *dmem)
|
|
{
|
|
bus_dmamap_unload (dmem->dmat, dmem->mapp);
|
|
bus_dmamem_free (dmem->dmat, dmem->virt, dmem->mapp);
|
|
bus_dma_tag_destroy (dmem->dmat);
|
|
}
|
|
#else
|
|
static int
|
|
cx_bus_dma_mem_alloc (int bnum, int cnum, cx_dma_mem_t *dmem)
|
|
{
|
|
dmem->virt = contigmalloc (dmem->size, M_DEVBUF, M_WAITOK,
|
|
0x100000, 0x1000000, 16, 0);
|
|
if (dmem->virt == NULL) {
|
|
if (cnum >= 0) printf ("cx%d-%d: ", bnum, cnum);
|
|
else printf ("cx%d: ", bnum);
|
|
printf ("couldn't allocate memory for dma memory\n", unit);
|
|
return 0;
|
|
}
|
|
dmem->phys = vtophys (dmem->virt);
|
|
return 1;
|
|
}
|
|
|
|
static void
|
|
cx_bus_dma_mem_free (cx_dma_mem_t *dmem)
|
|
{
|
|
contigfree (dmem->virt, dmem->size, M_DEVBUF);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* The adapter is present, initialize the driver structures.
|
|
*/
|
|
static int cx_attach (device_t dev)
|
|
{
|
|
bdrv_t *bd = device_get_softc (dev);
|
|
u_long iobase, drq, irq, rescount;
|
|
int unit = device_get_unit (dev);
|
|
cx_board_t *b;
|
|
cx_chan_t *c;
|
|
drv_t *d;
|
|
int i;
|
|
int s;
|
|
|
|
KASSERT ((bd != NULL), ("cx%d: NULL device softc\n", unit));
|
|
|
|
bus_get_resource (dev, SYS_RES_IOPORT, 0, &iobase, &rescount);
|
|
bd->base_rid = 0;
|
|
bd->base_res = bus_alloc_resource (dev, SYS_RES_IOPORT, &bd->base_rid,
|
|
iobase, iobase + NPORT, NPORT, RF_ACTIVE);
|
|
if (! bd->base_res) {
|
|
printf ("cx%d: cannot allocate base address\n", unit);
|
|
return ENXIO;
|
|
}
|
|
|
|
if (bus_get_resource (dev, SYS_RES_DRQ, 0, &drq, &rescount) != 0) {
|
|
for (i = 0; (drq = dmatab [i]) != 0; i++) {
|
|
if (!cx_is_free_res (dev, 1, SYS_RES_DRQ,
|
|
drq, drq + 1, 1))
|
|
continue;
|
|
bus_set_resource (dev, SYS_RES_DRQ, 0, drq, 1);
|
|
break;
|
|
}
|
|
|
|
if (dmatab[i] == 0) {
|
|
bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
|
|
bd->base_res);
|
|
printf ("cx%d: Couldn't get DRQ\n", unit);
|
|
return ENXIO;
|
|
}
|
|
}
|
|
|
|
bd->drq_rid = 0;
|
|
bd->drq_res = bus_alloc_resource (dev, SYS_RES_DRQ, &bd->drq_rid,
|
|
drq, drq + 1, 1, RF_ACTIVE);
|
|
if (! bd->drq_res) {
|
|
printf ("cx%d: cannot allocate drq\n", unit);
|
|
bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
|
|
bd->base_res);
|
|
return ENXIO;
|
|
}
|
|
|
|
if (bus_get_resource (dev, SYS_RES_IRQ, 0, &irq, &rescount) != 0) {
|
|
for (i = 0; (irq = irqtab [i]) != 0; i++) {
|
|
if (!cx_is_free_res (dev, 1, SYS_RES_IRQ,
|
|
irq, irq + 1, 1))
|
|
continue;
|
|
bus_set_resource (dev, SYS_RES_IRQ, 0, irq, 1);
|
|
break;
|
|
}
|
|
|
|
if (irqtab[i] == 0) {
|
|
bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
|
|
bd->drq_res);
|
|
bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
|
|
bd->base_res);
|
|
printf ("cx%d: Couldn't get IRQ\n", unit);
|
|
return ENXIO;
|
|
}
|
|
}
|
|
|
|
bd->irq_rid = 0;
|
|
bd->irq_res = bus_alloc_resource (dev, SYS_RES_IRQ, &bd->irq_rid,
|
|
irq, irq + 1, 1, RF_ACTIVE);
|
|
if (! bd->irq_res) {
|
|
printf ("cx%d: Couldn't allocate irq\n", unit);
|
|
bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
|
|
bd->drq_res);
|
|
bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
|
|
bd->base_res);
|
|
return ENXIO;
|
|
}
|
|
|
|
b = malloc (sizeof (cx_board_t), M_DEVBUF, M_WAITOK);
|
|
if (!b) {
|
|
printf ("cx:%d: Couldn't allocate memory\n", unit);
|
|
return (ENXIO);
|
|
}
|
|
adapter[unit] = b;
|
|
bzero (b, sizeof(cx_board_t));
|
|
|
|
if (! cx_open_board (b, unit, iobase, irq, drq)) {
|
|
printf ("cx%d: error loading firmware\n", unit);
|
|
free (b, M_DEVBUF);
|
|
bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid,
|
|
bd->irq_res);
|
|
bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
|
|
bd->drq_res);
|
|
bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
|
|
bd->base_res);
|
|
return ENXIO;
|
|
}
|
|
|
|
bd->board = b;
|
|
|
|
if (! probe_irq (b, irq)) {
|
|
printf ("cx%d: irq %ld not functional\n", unit, irq);
|
|
bd->board = 0;
|
|
adapter [unit] = 0;
|
|
free (b, M_DEVBUF);
|
|
bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid,
|
|
bd->irq_res);
|
|
bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
|
|
bd->drq_res);
|
|
bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
|
|
bd->base_res);
|
|
return ENXIO;
|
|
}
|
|
|
|
s = splhigh ();
|
|
if (bus_setup_intr (dev, bd->irq_res, INTR_TYPE_NET, cx_intr, bd,
|
|
&bd->intrhand)) {
|
|
printf ("cx%d: Can't setup irq %ld\n", unit, irq);
|
|
bd->board = 0;
|
|
adapter [unit] = 0;
|
|
free (b, M_DEVBUF);
|
|
bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid,
|
|
bd->irq_res);
|
|
bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid,
|
|
bd->drq_res);
|
|
bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid,
|
|
bd->base_res);
|
|
splx (s);
|
|
return ENXIO;
|
|
}
|
|
|
|
cx_init (b, b->num, b->port, irq, drq);
|
|
cx_setup_board (b, 0, 0, 0);
|
|
|
|
printf ("cx%d: <Cronyx-Sigma-%s>\n", b->num, b->name);
|
|
|
|
for (c=b->chan; c<b->chan+NCHAN; ++c) {
|
|
char *dnmt="tty %x";
|
|
char *dnmc="cua %x";
|
|
if (c->type == T_NONE)
|
|
continue;
|
|
d = &bd->channel[c->num];
|
|
d->dmamem.size = sizeof(cx_buf_t);
|
|
if (! cx_bus_dma_mem_alloc (unit, c->num, &d->dmamem))
|
|
continue;
|
|
channel [b->num*NCHAN + c->num] = d;
|
|
sprintf (d->name, "cx%d.%d", b->num, c->num);
|
|
d->board = b;
|
|
d->chan = c;
|
|
d->open_dev = 0;
|
|
c->sys = d;
|
|
|
|
switch (c->type) {
|
|
case T_SYNC_RS232:
|
|
case T_SYNC_V35:
|
|
case T_SYNC_RS449:
|
|
case T_UNIV:
|
|
case T_UNIV_RS232:
|
|
case T_UNIV_RS449:
|
|
case T_UNIV_V35:
|
|
#ifdef NETGRAPH
|
|
if (ng_make_node_common (&typestruct, &d->node) != 0) {
|
|
printf ("%s: cannot make common node\n", d->name);
|
|
channel [b->num*NCHAN + c->num] = 0;
|
|
c->sys = 0;
|
|
cx_bus_dma_mem_free (&d->dmamem);
|
|
continue;
|
|
}
|
|
#if __FreeBSD_version >= 500000
|
|
NG_NODE_SET_PRIVATE (d->node, d);
|
|
#else
|
|
d->node->private = d;
|
|
#endif
|
|
sprintf (d->nodename, "%s%d", NG_CX_NODE_TYPE,
|
|
c->board->num*NCHAN + c->num);
|
|
if (ng_name_node (d->node, d->nodename)) {
|
|
printf ("%s: cannot name node\n", d->nodename);
|
|
#if __FreeBSD_version >= 500000
|
|
NG_NODE_UNREF (d->node);
|
|
#else
|
|
ng_rmnode (d->node);
|
|
ng_unref (d->node);
|
|
#endif
|
|
channel [b->num*NCHAN + c->num] = 0;
|
|
c->sys = 0;
|
|
cx_bus_dma_mem_free (&d->dmamem);
|
|
continue;
|
|
}
|
|
d->lo_queue.ifq_maxlen = IFQ_MAXLEN;
|
|
d->hi_queue.ifq_maxlen = IFQ_MAXLEN;
|
|
#if __FreeBSD_version >= 500000
|
|
mtx_init (&d->lo_queue.ifq_mtx, "cx_queue_lo", NULL, MTX_DEF);
|
|
mtx_init (&d->hi_queue.ifq_mtx, "cx_queue_hi", NULL, MTX_DEF);
|
|
#endif
|
|
#else /*NETGRAPH*/
|
|
d->pp.pp_if.if_softc = d;
|
|
#if __FreeBSD_version > 501000
|
|
if_initname (&d->pp.pp_if, "cx", b->num * NCHAN + c->num);
|
|
#else
|
|
d->pp.pp_if.if_unit = b->num * NCHAN + c->num;
|
|
d->pp.pp_if.if_name = "cx";
|
|
#endif
|
|
d->pp.pp_if.if_mtu = PP_MTU;
|
|
d->pp.pp_if.if_flags = IFF_POINTOPOINT | IFF_MULTICAST;
|
|
d->pp.pp_if.if_ioctl = cx_sioctl;
|
|
d->pp.pp_if.if_start = cx_ifstart;
|
|
d->pp.pp_if.if_watchdog = cx_ifwatchdog;
|
|
d->pp.pp_if.if_init = cx_initialize;
|
|
sppp_attach (&d->pp.pp_if);
|
|
if_attach (&d->pp.pp_if);
|
|
d->pp.pp_tlf = cx_tlf;
|
|
d->pp.pp_tls = cx_tls;
|
|
/* If BPF is in the kernel, call the attach for it.
|
|
* Size of PPP header is 4 bytes. */
|
|
bpfattach (&d->pp.pp_if, DLT_PPP, 4);
|
|
#endif /*NETGRAPH*/
|
|
}
|
|
cx_start_chan (c, d->dmamem.virt, d->dmamem.phys);
|
|
cx_register_receive (c, &cx_receive);
|
|
cx_register_transmit (c, &cx_transmit);
|
|
cx_register_error (c, &cx_error);
|
|
cx_register_modem (c, &cx_modem);
|
|
dnmt[3] = 'x'+b->num;
|
|
dnmc[3] = 'x'+b->num;
|
|
d->devt[0] = make_dev (&cx_cdevsw, b->num*NCHAN + c->num, UID_ROOT, GID_WHEEL, 0644, dnmt, b->num*NCHAN + c->num);
|
|
d->devt[1] = make_dev (&cx_cdevsw, b->num*NCHAN + c->num + 64, UID_ROOT, GID_WHEEL, 0600, "cx%d", b->num*NCHAN + c->num);
|
|
d->devt[2] = make_dev (&cx_cdevsw, b->num*NCHAN + c->num + 128, UID_ROOT, GID_WHEEL, 0660, dnmc, b->num*NCHAN + c->num);
|
|
}
|
|
splx (s);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cx_detach (device_t dev)
|
|
{
|
|
bdrv_t *bd = device_get_softc (dev);
|
|
cx_board_t *b = bd->board;
|
|
cx_chan_t *c;
|
|
int s = splhigh ();
|
|
|
|
/* Check if the device is busy (open). */
|
|
for (c = b->chan; c < b->chan + NCHAN; ++c) {
|
|
drv_t *d = (drv_t*) c->sys;
|
|
|
|
if (!d || d->chan->type == T_NONE)
|
|
continue;
|
|
if (d->lock) {
|
|
splx (s);
|
|
return EBUSY;
|
|
}
|
|
if (c->mode == M_ASYNC && d->tty && (d->tty->t_state & TS_ISOPEN) &&
|
|
(d->open_dev|0x2)) {
|
|
splx (s);
|
|
return EBUSY;
|
|
}
|
|
if (d->running) {
|
|
splx (s);
|
|
return EBUSY;
|
|
}
|
|
}
|
|
|
|
/* Deactivate the timeout routine. And soft interrupt*/
|
|
if (led_timo[b->num].callout)
|
|
untimeout (cx_led_off, b, led_timo[b->num]);
|
|
|
|
for (c = b->chan; c < b->chan + NCHAN; ++c) {
|
|
drv_t *d = c->sys;
|
|
|
|
if (!d || d->chan->type == T_NONE)
|
|
continue;
|
|
|
|
if (d->dcd_timeout_handle.callout)
|
|
untimeout (cx_carrier, c, d->dcd_timeout_handle);
|
|
}
|
|
bus_teardown_intr (dev, bd->irq_res, bd->intrhand);
|
|
bus_deactivate_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res);
|
|
bus_release_resource (dev, SYS_RES_IRQ, bd->irq_rid, bd->irq_res);
|
|
|
|
bus_deactivate_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res);
|
|
bus_release_resource (dev, SYS_RES_DRQ, bd->drq_rid, bd->drq_res);
|
|
|
|
bus_deactivate_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->irq_res);
|
|
bus_release_resource (dev, SYS_RES_IOPORT, bd->base_rid, bd->base_res);
|
|
|
|
cx_close_board (b);
|
|
|
|
/* Detach the interfaces, free buffer memory. */
|
|
for (c = b->chan; c < b->chan + NCHAN; ++c) {
|
|
drv_t *d = (drv_t*) c->sys;
|
|
|
|
if (!d || d->chan->type == T_NONE)
|
|
continue;
|
|
|
|
#if __FreeBSD_version >= 502113
|
|
if (d->tty) {
|
|
ttyrel (d->tty);
|
|
d->tty = NULL;
|
|
}
|
|
#endif
|
|
|
|
#ifdef NETGRAPH
|
|
#if __FreeBSD_version >= 500000
|
|
if (d->node) {
|
|
ng_rmnode_self (d->node);
|
|
NG_NODE_UNREF (d->node);
|
|
d->node = NULL;
|
|
}
|
|
mtx_destroy (&d->lo_queue.ifq_mtx);
|
|
mtx_destroy (&d->hi_queue.ifq_mtx);
|
|
#else
|
|
ng_rmnode (d->node);
|
|
d->node = NULL;
|
|
#endif
|
|
#else
|
|
#if __FreeBSD_version >= 410000 && NBPFILTER > 0
|
|
/* Detach from the packet filter list of interfaces. */
|
|
bpfdetach (&d->pp.pp_if);
|
|
#endif
|
|
/* Detach from the sync PPP list. */
|
|
sppp_detach (&d->pp.pp_if);
|
|
|
|
if_detach (&d->pp.pp_if);
|
|
#endif
|
|
destroy_dev (d->devt[0]);
|
|
destroy_dev (d->devt[1]);
|
|
destroy_dev (d->devt[2]);
|
|
}
|
|
|
|
cx_led_off (b);
|
|
if (led_timo[b->num].callout)
|
|
untimeout (cx_led_off, b, led_timo[b->num]);
|
|
splx (s);
|
|
|
|
s = splhigh ();
|
|
for (c = b->chan; c < b->chan + NCHAN; ++c) {
|
|
drv_t *d = (drv_t*) c->sys;
|
|
|
|
if (!d || d->chan->type == T_NONE)
|
|
continue;
|
|
|
|
/* Deallocate buffers. */
|
|
cx_bus_dma_mem_free (&d->dmamem);
|
|
}
|
|
bd->board = 0;
|
|
adapter [b->num] = 0;
|
|
free (b, M_DEVBUF);
|
|
splx (s);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#ifndef NETGRAPH
|
|
static void cx_ifstart (struct ifnet *ifp)
|
|
{
|
|
drv_t *d = ifp->if_softc;
|
|
|
|
cx_start (d);
|
|
}
|
|
|
|
static void cx_ifwatchdog (struct ifnet *ifp)
|
|
{
|
|
drv_t *d = ifp->if_softc;
|
|
|
|
cx_watchdog (d);
|
|
}
|
|
|
|
static void cx_tlf (struct sppp *sp)
|
|
{
|
|
drv_t *d = sp->pp_if.if_softc;
|
|
|
|
CX_DEBUG (d, ("cx_tlf\n"));
|
|
/* cx_set_dtr (d->chan, 0);*/
|
|
/* cx_set_rts (d->chan, 0);*/
|
|
sp->pp_down (sp);
|
|
}
|
|
|
|
static void cx_tls (struct sppp *sp)
|
|
{
|
|
drv_t *d = sp->pp_if.if_softc;
|
|
|
|
CX_DEBUG (d, ("cx_tls\n"));
|
|
sp->pp_up (sp);
|
|
}
|
|
|
|
/*
|
|
* Initialization of interface.
|
|
* It seems to be never called by upper level.
|
|
*/
|
|
static void cx_initialize (void *softc)
|
|
{
|
|
drv_t *d = softc;
|
|
|
|
CX_DEBUG (d, ("cx_initialize\n"));
|
|
}
|
|
|
|
/*
|
|
* Process an ioctl request.
|
|
*/
|
|
static int cx_sioctl (struct ifnet *ifp, u_long cmd, caddr_t data)
|
|
{
|
|
drv_t *d = ifp->if_softc;
|
|
int error, s, was_up, should_be_up;
|
|
|
|
/* No socket ioctls while the channel is in async mode. */
|
|
if (d->chan->type == T_NONE || d->chan->mode == M_ASYNC)
|
|
return EBUSY;
|
|
|
|
/* Socket ioctls on slave subchannels are not allowed. */
|
|
was_up = (ifp->if_flags & IFF_RUNNING) != 0;
|
|
error = sppp_ioctl (ifp, cmd, data);
|
|
if (error)
|
|
return error;
|
|
|
|
if (! (ifp->if_flags & IFF_DEBUG))
|
|
d->chan->debug = 0;
|
|
else if (! d->chan->debug)
|
|
d->chan->debug = 1;
|
|
|
|
switch (cmd) {
|
|
default: CX_DEBUG2 (d, ("ioctl 0x%lx\n", cmd)); return 0;
|
|
case SIOCADDMULTI: CX_DEBUG2 (d, ("SIOCADDMULTI\n")); return 0;
|
|
case SIOCDELMULTI: CX_DEBUG2 (d, ("SIOCDELMULTI\n")); return 0;
|
|
case SIOCSIFFLAGS: CX_DEBUG2 (d, ("SIOCSIFFLAGS\n")); break;
|
|
case SIOCSIFADDR: CX_DEBUG2 (d, ("SIOCSIFADDR\n")); break;
|
|
}
|
|
|
|
/* We get here only in case of SIFFLAGS or SIFADDR. */
|
|
s = splhigh ();
|
|
should_be_up = (ifp->if_flags & IFF_RUNNING) != 0;
|
|
if (!was_up && should_be_up) {
|
|
/* Interface goes up -- start it. */
|
|
cx_up (d);
|
|
cx_start (d);
|
|
} else if (was_up && !should_be_up) {
|
|
/* Interface is going down -- stop it. */
|
|
/* if ((d->pp.pp_flags & PP_FR) || (ifp->if_flags & PP_CISCO))*/
|
|
cx_down (d);
|
|
}
|
|
splx (s);
|
|
return 0;
|
|
}
|
|
#endif /*NETGRAPH*/
|
|
|
|
/*
|
|
* Stop the interface. Called on splimp().
|
|
*/
|
|
static void cx_down (drv_t *d)
|
|
{
|
|
int s = splhigh ();
|
|
CX_DEBUG (d, ("cx_down\n"));
|
|
cx_set_dtr (d->chan, 0);
|
|
cx_set_rts (d->chan, 0);
|
|
d->running = 0;
|
|
splx (s);
|
|
}
|
|
|
|
/*
|
|
* Start the interface. Called on splimp().
|
|
*/
|
|
static void cx_up (drv_t *d)
|
|
{
|
|
int s = splhigh ();
|
|
CX_DEBUG (d, ("cx_up\n"));
|
|
cx_set_dtr (d->chan, 1);
|
|
cx_set_rts (d->chan, 1);
|
|
d->running = 1;
|
|
splx (s);
|
|
}
|
|
|
|
/*
|
|
* Start output on the (slave) interface. Get another datagram to send
|
|
* off of the interface queue, and copy it to the interface
|
|
* before starting the output.
|
|
*/
|
|
static void cx_send (drv_t *d)
|
|
{
|
|
struct mbuf *m;
|
|
u_short len;
|
|
|
|
CX_DEBUG2 (d, ("cx_send\n"));
|
|
|
|
/* No output if the interface is down. */
|
|
if (! d->running)
|
|
return;
|
|
|
|
/* No output if the modem is off. */
|
|
if (! cx_get_dsr (d->chan) && ! cx_get_loop(d->chan))
|
|
return;
|
|
|
|
if (cx_buf_free (d->chan)) {
|
|
/* Get the packet to send. */
|
|
#ifdef NETGRAPH
|
|
IF_DEQUEUE (&d->hi_queue, m);
|
|
if (! m)
|
|
IF_DEQUEUE (&d->lo_queue, m);
|
|
#else
|
|
m = sppp_dequeue (&d->pp.pp_if);
|
|
#endif
|
|
if (! m)
|
|
return;
|
|
#ifndef NETGRAPH
|
|
if (d->pp.pp_if.if_bpf)
|
|
#if __FreeBSD_version >= 500000
|
|
BPF_MTAP (&d->pp.pp_if, m);
|
|
#else
|
|
bpf_mtap (&d->pp.pp_if, m);
|
|
#endif
|
|
#endif
|
|
len = m->m_pkthdr.len;
|
|
if (! m->m_next)
|
|
cx_send_packet (d->chan, (u_char*)mtod (m, caddr_t),
|
|
len, 0);
|
|
else {
|
|
u_char buf [DMABUFSZ];
|
|
m_copydata (m, 0, len, buf);
|
|
cx_send_packet (d->chan, buf, len, 0);
|
|
}
|
|
m_freem (m);
|
|
|
|
/* Set up transmit timeout, 10 seconds. */
|
|
#ifdef NETGRAPH
|
|
d->timeout = 10;
|
|
#else
|
|
d->pp.pp_if.if_timer = 10;
|
|
#endif
|
|
}
|
|
#ifndef NETGRAPH
|
|
d->pp.pp_if.if_flags |= IFF_OACTIVE;
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Start output on the interface.
|
|
* Always called on splimp().
|
|
*/
|
|
static void cx_start (drv_t *d)
|
|
{
|
|
int s = splhigh ();
|
|
if (d->running) {
|
|
if (! d->chan->dtr)
|
|
cx_set_dtr (d->chan, 1);
|
|
if (! d->chan->rts)
|
|
cx_set_rts (d->chan, 1);
|
|
cx_send (d);
|
|
}
|
|
splx (s);
|
|
}
|
|
|
|
/*
|
|
* Handle transmit timeouts.
|
|
* Recover after lost transmit interrupts.
|
|
* Always called on splimp().
|
|
*/
|
|
static void cx_watchdog (drv_t *d)
|
|
{
|
|
int s = splhigh ();
|
|
CX_DEBUG (d, ("device timeout\n"));
|
|
if (d->running) {
|
|
cx_setup_chan (d->chan);
|
|
cx_start_chan (d->chan, 0, 0);
|
|
cx_set_dtr (d->chan, 1);
|
|
cx_set_rts (d->chan, 1);
|
|
cx_start (d);
|
|
}
|
|
splx (s);
|
|
}
|
|
|
|
/*
|
|
* Transmit callback function.
|
|
*/
|
|
static void cx_transmit (cx_chan_t *c, void *attachment, int len)
|
|
{
|
|
drv_t *d = c->sys;
|
|
|
|
if (!d)
|
|
return;
|
|
|
|
if (c->mode == M_ASYNC && d->tty) {
|
|
d->tty->t_state &= ~(TS_BUSY | TS_FLUSH);
|
|
d->atimeout = 0;
|
|
if (d->tty->t_dev) {
|
|
d->intr_action |= CX_WRITE;
|
|
MY_SOFT_INTR = 1;
|
|
#if __FreeBSD_version >= 500000
|
|
swi_sched (cx_fast_ih, 0);
|
|
#else
|
|
setsofttty ();
|
|
#endif
|
|
}
|
|
return;
|
|
}
|
|
#ifdef NETGRAPH
|
|
d->timeout = 0;
|
|
#else
|
|
++d->pp.pp_if.if_opackets;
|
|
d->pp.pp_if.if_flags &= ~IFF_OACTIVE;
|
|
d->pp.pp_if.if_timer = 0;
|
|
#endif
|
|
cx_start (d);
|
|
}
|
|
|
|
/*
|
|
* Process the received packet.
|
|
*/
|
|
static void cx_receive (cx_chan_t *c, char *data, int len)
|
|
{
|
|
drv_t *d = c->sys;
|
|
struct mbuf *m;
|
|
char *cc = data;
|
|
#if __FreeBSD_version >= 500000 && defined NETGRAPH
|
|
int error;
|
|
#endif
|
|
|
|
if (!d)
|
|
return;
|
|
|
|
if (c->mode == M_ASYNC && d->tty) {
|
|
if (d->tty->t_state & TS_ISOPEN) {
|
|
async_q *q = &d->aqueue;
|
|
int size = BF_SZ - 1 - AQ_GSZ (q);
|
|
|
|
if (len <= 0 && !size)
|
|
return;
|
|
|
|
if (len > size) {
|
|
c->ierrs++;
|
|
cx_error (c, CX_OVERRUN);
|
|
len = size - 1;
|
|
}
|
|
|
|
while (len--) {
|
|
AQ_PUSH (q, *(unsigned char *)cc);
|
|
cc++;
|
|
}
|
|
|
|
d->intr_action |= CX_READ;
|
|
MY_SOFT_INTR = 1;
|
|
#if __FreeBSD_version >= 500000
|
|
swi_sched (cx_fast_ih, 0);
|
|
#else
|
|
setsofttty ();
|
|
#endif
|
|
}
|
|
return;
|
|
}
|
|
if (! d->running)
|
|
return;
|
|
|
|
m = makembuf (data, len);
|
|
if (! m) {
|
|
CX_DEBUG (d, ("no memory for packet\n"));
|
|
#ifndef NETGRAPH
|
|
++d->pp.pp_if.if_iqdrops;
|
|
#endif
|
|
return;
|
|
}
|
|
if (c->debug > 1)
|
|
printmbuf (m);
|
|
#ifdef NETGRAPH
|
|
m->m_pkthdr.rcvif = 0;
|
|
#if __FreeBSD_version >= 500000
|
|
NG_SEND_DATA_ONLY (error, d->hook, m);
|
|
#else
|
|
ng_queue_data (d->hook, m, 0);
|
|
#endif
|
|
#else
|
|
++d->pp.pp_if.if_ipackets;
|
|
m->m_pkthdr.rcvif = &d->pp.pp_if;
|
|
/* Check if there's a BPF listener on this interface.
|
|
* If so, hand off the raw packet to bpf. */
|
|
if (d->pp.pp_if.if_bpf)
|
|
#if __FreeBSD_version >= 500000
|
|
BPF_TAP (&d->pp.pp_if, data, len);
|
|
#else
|
|
bpf_tap (&d->pp.pp_if, data, len);
|
|
#endif
|
|
sppp_input (&d->pp.pp_if, m);
|
|
#endif
|
|
}
|
|
|
|
#if __FreeBSD_version < 502113
|
|
#define CONDITION(t,tp) (!(t->c_iflag & (ICRNL | IGNCR | IMAXBEL | INLCR | ISTRIP | IXON))\
|
|
&& (!(tp->t_iflag & BRKINT) || (tp->t_iflag & IGNBRK))\
|
|
&& (!(tp->t_iflag & PARMRK)\
|
|
|| (tp->t_iflag & (IGNPAR | IGNBRK)) == (IGNPAR | IGNBRK))\
|
|
&& !(t->c_lflag & (ECHO | ICANON | IEXTEN | ISIG | PENDIN))\
|
|
&& linesw[tp->t_line].l_rint == ttyinput)
|
|
#else
|
|
#define CONDITION(t,tp) (!(t->c_iflag & (ICRNL | IGNCR | IMAXBEL | INLCR | ISTRIP | IXON))\
|
|
&& (!(tp->t_iflag & BRKINT) || (tp->t_iflag & IGNBRK))\
|
|
&& (!(tp->t_iflag & PARMRK)\
|
|
|| (tp->t_iflag & (IGNPAR | IGNBRK)) == (IGNPAR | IGNBRK))\
|
|
&& !(t->c_lflag & (ECHO | ICANON | IEXTEN | ISIG | PENDIN))\
|
|
&& linesw[tp->t_line]->l_rint == ttyinput)
|
|
#endif
|
|
|
|
/*
|
|
* Error callback function.
|
|
*/
|
|
static void cx_error (cx_chan_t *c, int data)
|
|
{
|
|
drv_t *d = c->sys;
|
|
async_q *q;
|
|
|
|
if (!d)
|
|
return;
|
|
|
|
q = &(d->aqueue);
|
|
|
|
switch (data) {
|
|
case CX_FRAME:
|
|
CX_DEBUG (d, ("frame error\n"));
|
|
if (c->mode == M_ASYNC && d->tty && (d->tty->t_state & TS_ISOPEN)
|
|
&& (AQ_GSZ (q) < BF_SZ - 1)
|
|
&& (!CONDITION((&d->tty->t_termios), (d->tty))
|
|
|| !(d->tty->t_iflag & (IGNPAR | PARMRK)))) {
|
|
AQ_PUSH (q, TTY_FE);
|
|
d->intr_action |= CX_READ;
|
|
MY_SOFT_INTR = 1;
|
|
#if __FreeBSD_version >= 500000
|
|
swi_sched (cx_fast_ih, 0);
|
|
#else
|
|
setsofttty ();
|
|
#endif
|
|
}
|
|
#ifndef NETGRAPH
|
|
else
|
|
++d->pp.pp_if.if_ierrors;
|
|
#endif
|
|
break;
|
|
case CX_CRC:
|
|
CX_DEBUG (d, ("crc error\n"));
|
|
if (c->mode == M_ASYNC && d->tty && (d->tty->t_state & TS_ISOPEN)
|
|
&& (AQ_GSZ (q) < BF_SZ - 1)
|
|
&& (!CONDITION((&d->tty->t_termios), (d->tty))
|
|
|| !(d->tty->t_iflag & INPCK)
|
|
|| !(d->tty->t_iflag & (IGNPAR | PARMRK)))) {
|
|
AQ_PUSH (q, TTY_PE);
|
|
d->intr_action |= CX_READ;
|
|
MY_SOFT_INTR = 1;
|
|
#if __FreeBSD_version >= 500000
|
|
swi_sched (cx_fast_ih, 0);
|
|
#else
|
|
setsofttty ();
|
|
#endif
|
|
}
|
|
#ifndef NETGRAPH
|
|
else
|
|
++d->pp.pp_if.if_ierrors;
|
|
#endif
|
|
break;
|
|
case CX_OVERRUN:
|
|
CX_DEBUG (d, ("overrun error\n"));
|
|
#ifdef TTY_OE
|
|
if (c->mode == M_ASYNC && d->tty && (d->tty->t_state & TS_ISOPEN)
|
|
&& (AQ_GSZ (q) < BF_SZ - 1)
|
|
&& (!CONDITION((&d->tty->t_termios), (d->tty)))) {
|
|
AQ_PUSH (q, TTY_OE);
|
|
d->intr_action |= CX_READ;
|
|
MY_SOFT_INTR = 1;
|
|
#if __FreeBSD_version >= 500000
|
|
swi_sched (cx_fast_ih, 0);
|
|
#else
|
|
setsofttty ();
|
|
#endif
|
|
}
|
|
#endif
|
|
#ifndef NETGRAPH
|
|
else {
|
|
++d->pp.pp_if.if_collisions;
|
|
++d->pp.pp_if.if_ierrors;
|
|
}
|
|
#endif
|
|
break;
|
|
case CX_OVERFLOW:
|
|
CX_DEBUG (d, ("overflow error\n"));
|
|
#ifndef NETGRAPH
|
|
if (c->mode != M_ASYNC)
|
|
++d->pp.pp_if.if_ierrors;
|
|
#endif
|
|
break;
|
|
case CX_UNDERRUN:
|
|
CX_DEBUG (d, ("underrun error\n"));
|
|
if (c->mode != M_ASYNC) {
|
|
#ifdef NETGRAPH
|
|
d->timeout = 0;
|
|
#else
|
|
++d->pp.pp_if.if_oerrors;
|
|
d->pp.pp_if.if_flags &= ~IFF_OACTIVE;
|
|
d->pp.pp_if.if_timer = 0;
|
|
cx_start (d);
|
|
#endif
|
|
}
|
|
break;
|
|
case CX_BREAK:
|
|
CX_DEBUG (d, ("break error\n"));
|
|
if (c->mode == M_ASYNC && d->tty && (d->tty->t_state & TS_ISOPEN)
|
|
&& (AQ_GSZ (q) < BF_SZ - 1)
|
|
&& (!CONDITION((&d->tty->t_termios), (d->tty))
|
|
|| !(d->tty->t_iflag & (IGNBRK | BRKINT | PARMRK)))) {
|
|
AQ_PUSH (q, TTY_BI);
|
|
d->intr_action |= CX_READ;
|
|
MY_SOFT_INTR = 1;
|
|
#if __FreeBSD_version >= 500000
|
|
swi_sched (cx_fast_ih, 0);
|
|
#else
|
|
setsofttty ();
|
|
#endif
|
|
}
|
|
#ifndef NETGRAPH
|
|
else
|
|
++d->pp.pp_if.if_ierrors;
|
|
#endif
|
|
break;
|
|
default:
|
|
CX_DEBUG (d, ("error #%d\n", data));
|
|
}
|
|
}
|
|
|
|
#if __FreeBSD_version < 500000
|
|
static int cx_open (dev_t dev, int flag, int mode, struct proc *p)
|
|
#else
|
|
static int cx_open (struct cdev *dev, int flag, int mode, struct thread *td)
|
|
#endif
|
|
{
|
|
int unit = UNIT (dev);
|
|
drv_t *d;
|
|
int error;
|
|
|
|
if (unit >= NCX*NCHAN || ! (d = channel[unit]))
|
|
return ENXIO;
|
|
CX_DEBUG2 (d, ("cx_open unit=%d, flag=0x%x, mode=0x%x\n",
|
|
unit, flag, mode));
|
|
|
|
if (d->chan->mode != M_ASYNC || IF_CUNIT(dev)) {
|
|
d->open_dev |= 0x1;
|
|
return 0;
|
|
}
|
|
if (!d->tty) {
|
|
d->tty = ttymalloc (d->tty);
|
|
d->tty->t_oproc = cx_oproc;
|
|
d->tty->t_param = cx_param;
|
|
d->tty->t_stop = cx_stop;
|
|
}
|
|
dev->si_tty = d->tty;
|
|
d->tty->t_dev = dev;
|
|
again:
|
|
error = ttydtrwaitsleep(d->tty);
|
|
if (error)
|
|
return error;
|
|
|
|
if ((d->tty->t_state & TS_ISOPEN) && (d->tty->t_state & TS_XCLUDE) &&
|
|
#if __FreeBSD_version >= 500000
|
|
suser (td))
|
|
#else
|
|
p->p_ucred->cr_uid != 0)
|
|
#endif
|
|
return EBUSY;
|
|
|
|
if (d->tty->t_state & TS_ISOPEN) {
|
|
/*
|
|
* Cannot open /dev/cua if /dev/tty already opened.
|
|
*/
|
|
if (CALLOUT (dev) && ! d->callout)
|
|
return EBUSY;
|
|
|
|
/*
|
|
* Opening /dev/tty when /dev/cua is already opened.
|
|
* Wait for close, then try again.
|
|
*/
|
|
if (! CALLOUT (dev) && d->callout) {
|
|
if (flag & O_NONBLOCK)
|
|
return EBUSY;
|
|
error = tsleep (d, TTIPRI | PCATCH, "cxbi", 0);
|
|
if (error)
|
|
return error;
|
|
goto again;
|
|
}
|
|
} else if (d->lock && ! CALLOUT (dev) && (flag & O_NONBLOCK))
|
|
/*
|
|
* We try to open /dev/tty in non-blocking mode
|
|
* while somebody is already waiting for carrier on it.
|
|
*/
|
|
return EBUSY;
|
|
else {
|
|
ttychars (d->tty);
|
|
if (d->tty->t_ispeed == 0) {
|
|
d->tty->t_iflag = 0;
|
|
d->tty->t_oflag = 0;
|
|
d->tty->t_lflag = 0;
|
|
d->tty->t_cflag = CREAD | CS8 | HUPCL;
|
|
d->tty->t_ispeed = d->chan->rxbaud;
|
|
d->tty->t_ospeed = d->chan->txbaud;
|
|
}
|
|
if (CALLOUT (dev))
|
|
d->tty->t_cflag |= CLOCAL;
|
|
else
|
|
d->tty->t_cflag &= ~CLOCAL;
|
|
cx_param (d->tty, &d->tty->t_termios);
|
|
ttsetwater (d->tty);
|
|
}
|
|
|
|
splhigh ();
|
|
if (! (d->tty->t_state & TS_ISOPEN)) {
|
|
cx_start_chan (d->chan, 0, 0);
|
|
cx_set_dtr (d->chan, 1);
|
|
cx_set_rts (d->chan, 1);
|
|
d->cd = cx_get_cd (d->chan);
|
|
if (CALLOUT (dev) || cx_get_cd (d->chan))
|
|
ttyld_modem(d->tty, 1);
|
|
}
|
|
|
|
if (! (flag & O_NONBLOCK) && ! (d->tty->t_cflag & CLOCAL) &&
|
|
! (d->tty->t_state & TS_CARR_ON)) {
|
|
/* Lock the channel against cxconfig while we are
|
|
* waiting for carrier. */
|
|
d->lock++;
|
|
error = tsleep (&d->tty->t_rawq, TTIPRI | PCATCH, "cxdcd", 0);
|
|
/* Unlock the channel. */
|
|
d->lock--;
|
|
spl0 ();
|
|
if (error)
|
|
goto failed;
|
|
goto again;
|
|
}
|
|
|
|
error = ttyld_open (d->tty, dev);
|
|
ttyldoptim (d->tty);
|
|
spl0 ();
|
|
if (error) {
|
|
failed: if (! (d->tty->t_state & TS_ISOPEN)) {
|
|
splhigh ();
|
|
cx_set_dtr (d->chan, 0);
|
|
cx_set_rts (d->chan, 0);
|
|
ttydtrwaitstart(d->tty);
|
|
spl0 ();
|
|
}
|
|
return error;
|
|
}
|
|
|
|
if (d->tty->t_state & TS_ISOPEN)
|
|
d->callout = CALLOUT (dev) ? 1 : 0;
|
|
|
|
d->open_dev |= 0x2;
|
|
CX_DEBUG2 (d, ("cx_open done\n"));
|
|
return 0;
|
|
}
|
|
|
|
#if __FreeBSD_version < 500000
|
|
static int cx_close (dev_t dev, int flag, int mode, struct proc *p)
|
|
#else
|
|
static int cx_close (struct cdev *dev, int flag, int mode, struct thread *td)
|
|
#endif
|
|
{
|
|
drv_t *d = channel [UNIT (dev)];
|
|
int s;
|
|
|
|
CX_DEBUG2 (d, ("cx_close\n"));
|
|
if ((!(d->open_dev&0x2)) || IF_CUNIT(dev)){
|
|
d->open_dev &= ~0x1;
|
|
return 0;
|
|
}
|
|
s = splhigh ();
|
|
ttyld_close(d->tty, flag);
|
|
ttyldoptim (d->tty);
|
|
|
|
/* Disable receiver.
|
|
* Transmitter continues sending the queued data. */
|
|
cx_enable_receive (d->chan, 0);
|
|
|
|
/* Clear DTR and RTS. */
|
|
if ((d->tty->t_cflag & HUPCL) || ! (d->tty->t_state & TS_ISOPEN)) {
|
|
cx_set_dtr (d->chan, 0);
|
|
cx_set_rts (d->chan, 0);
|
|
ttydtrwaitstart(d->tty);
|
|
}
|
|
ttyclose (d->tty);
|
|
splx (s);
|
|
d->callout = 0;
|
|
|
|
/*
|
|
* Wake up bidirectional opens.
|
|
* Since we may be opened twice we couldn't call ttyrel() here.
|
|
* So just keep d->tty for future use. It would be freed by
|
|
* ttyrel() at cx_detach().
|
|
*/
|
|
|
|
wakeup (d);
|
|
d->open_dev &= ~0x2;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cx_read (struct cdev *dev, struct uio *uio, int flag)
|
|
{
|
|
drv_t *d = channel [UNIT (dev)];
|
|
|
|
if (d) CX_DEBUG2 (d, ("cx_read\n"));
|
|
if (!d || d->chan->mode != M_ASYNC || IF_CUNIT(dev) || !d->tty)
|
|
return EBADF;
|
|
|
|
return ttyld_read (d->tty, uio, flag);
|
|
}
|
|
|
|
static int cx_write (struct cdev *dev, struct uio *uio, int flag)
|
|
{
|
|
drv_t *d = channel [UNIT (dev)];
|
|
|
|
if (d) CX_DEBUG2 (d, ("cx_write\n"));
|
|
if (!d || d->chan->mode != M_ASYNC || IF_CUNIT(dev) || !d->tty)
|
|
return EBADF;
|
|
|
|
return ttyld_write (d->tty, uio, flag);
|
|
}
|
|
|
|
static int cx_modem_status (drv_t *d)
|
|
{
|
|
int status = 0, s = splhigh ();
|
|
/* Already opened by someone or network interface is up? */
|
|
if ((d->chan->mode == M_ASYNC && d->tty && (d->tty->t_state & TS_ISOPEN) &&
|
|
(d->open_dev|0x2)) || (d->chan->mode != M_ASYNC && d->running))
|
|
status = TIOCM_LE; /* always enabled while open */
|
|
|
|
if (cx_get_dsr (d->chan)) status |= TIOCM_DSR;
|
|
if (cx_get_cd (d->chan)) status |= TIOCM_CD;
|
|
if (cx_get_cts (d->chan)) status |= TIOCM_CTS;
|
|
if (d->chan->dtr) status |= TIOCM_DTR;
|
|
if (d->chan->rts) status |= TIOCM_RTS;
|
|
splx (s);
|
|
return status;
|
|
}
|
|
|
|
#if __FreeBSD_version < 500000
|
|
static int cx_ioctl (dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
|
|
#else
|
|
static int cx_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, struct thread *td)
|
|
#endif
|
|
{
|
|
drv_t *d = channel [UNIT (dev)];
|
|
cx_chan_t *c;
|
|
struct serial_statistics *st;
|
|
int error, s;
|
|
char mask[16];
|
|
|
|
if (!d || !(c = d->chan))
|
|
return EINVAL;
|
|
|
|
switch (cmd) {
|
|
case SERIAL_GETREGISTERED:
|
|
CX_DEBUG2 (d, ("ioctl: getregistered\n"));
|
|
bzero (mask, sizeof(mask));
|
|
for (s=0; s<NCX*NCHAN; ++s)
|
|
if (channel [s])
|
|
mask [s/8] |= 1 << (s & 7);
|
|
bcopy (mask, data, sizeof (mask));
|
|
return 0;
|
|
|
|
case SERIAL_GETPORT:
|
|
CX_DEBUG2 (d, ("ioctl: getport\n"));
|
|
s = splhigh ();
|
|
*(int *)data = cx_get_port (c);
|
|
splx (s);
|
|
if (*(int *)data<0)
|
|
return (EINVAL);
|
|
else
|
|
return 0;
|
|
|
|
case SERIAL_SETPORT:
|
|
CX_DEBUG2 (d, ("ioctl: setproto\n"));
|
|
/* Only for superuser! */
|
|
#if __FreeBSD_version < 500000
|
|
error = suser (p);
|
|
#else /* __FreeBSD_version >= 500000 */
|
|
error = suser (td);
|
|
#endif /* __FreeBSD_version >= 500000 */
|
|
if (error)
|
|
return error;
|
|
|
|
s = splhigh ();
|
|
cx_set_port (c, *(int *)data);
|
|
splx (s);
|
|
return 0;
|
|
|
|
#ifndef NETGRAPH
|
|
case SERIAL_GETPROTO:
|
|
CX_DEBUG2 (d, ("ioctl: getproto\n"));
|
|
s = splhigh ();
|
|
strcpy ((char*)data, (c->mode == M_ASYNC) ? "async" :
|
|
(d->pp.pp_flags & PP_FR) ? "fr" :
|
|
(d->pp.pp_if.if_flags & PP_CISCO) ? "cisco" : "ppp");
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_SETPROTO:
|
|
CX_DEBUG2 (d, ("ioctl: setproto\n"));
|
|
/* Only for superuser! */
|
|
#if __FreeBSD_version < 500000
|
|
error = suser (p);
|
|
#else /* __FreeBSD_version >= 500000 */
|
|
error = suser (td);
|
|
#endif /* __FreeBSD_version >= 500000 */
|
|
if (error)
|
|
return error;
|
|
if (c->mode == M_ASYNC)
|
|
return EBUSY;
|
|
if (d->pp.pp_if.if_flags & IFF_RUNNING)
|
|
return EBUSY;
|
|
if (! strcmp ("cisco", (char*)data)) {
|
|
d->pp.pp_flags &= ~(PP_FR);
|
|
d->pp.pp_flags |= PP_KEEPALIVE;
|
|
d->pp.pp_if.if_flags |= PP_CISCO;
|
|
} else if (! strcmp ("fr", (char*)data)) {
|
|
d->pp.pp_if.if_flags &= ~(PP_CISCO);
|
|
d->pp.pp_flags |= PP_FR | PP_KEEPALIVE;
|
|
} else if (! strcmp ("ppp", (char*)data)) {
|
|
d->pp.pp_flags &= ~(PP_FR | PP_KEEPALIVE);
|
|
d->pp.pp_if.if_flags &= ~(PP_CISCO);
|
|
} else
|
|
return EINVAL;
|
|
return 0;
|
|
|
|
case SERIAL_GETKEEPALIVE:
|
|
CX_DEBUG2 (d, ("ioctl: getkeepalive\n"));
|
|
if ((d->pp.pp_flags & PP_FR) ||
|
|
(d->pp.pp_if.if_flags & PP_CISCO) ||
|
|
(c->mode == M_ASYNC))
|
|
return EINVAL;
|
|
s = splhigh ();
|
|
*(int*)data = (d->pp.pp_flags & PP_KEEPALIVE) ? 1 : 0;
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_SETKEEPALIVE:
|
|
CX_DEBUG2 (d, ("ioctl: setkeepalive\n"));
|
|
/* Only for superuser! */
|
|
#if __FreeBSD_version < 500000
|
|
error = suser (p);
|
|
#else /* __FreeBSD_version >= 500000 */
|
|
error = suser (td);
|
|
#endif /* __FreeBSD_version >= 500000 */
|
|
if (error)
|
|
return error;
|
|
if ((d->pp.pp_flags & PP_FR) ||
|
|
(d->pp.pp_if.if_flags & PP_CISCO))
|
|
return EINVAL;
|
|
s = splhigh ();
|
|
if (*(int*)data)
|
|
d->pp.pp_flags |= PP_KEEPALIVE;
|
|
else
|
|
d->pp.pp_flags &= ~PP_KEEPALIVE;
|
|
splx (s);
|
|
return 0;
|
|
#endif /*NETGRAPH*/
|
|
|
|
case SERIAL_GETMODE:
|
|
CX_DEBUG2 (d, ("ioctl: getmode\n"));
|
|
s = splhigh ();
|
|
*(int*)data = (c->mode == M_ASYNC) ?
|
|
SERIAL_ASYNC : SERIAL_HDLC;
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_SETMODE:
|
|
CX_DEBUG2 (d, ("ioctl: setmode\n"));
|
|
/* Only for superuser! */
|
|
#if __FreeBSD_version < 500000
|
|
error = suser (p);
|
|
#else /* __FreeBSD_version >= 500000 */
|
|
error = suser (td);
|
|
#endif /* __FreeBSD_version >= 500000 */
|
|
if (error)
|
|
return error;
|
|
|
|
/* Somebody is waiting for carrier? */
|
|
if (d->lock)
|
|
return EBUSY;
|
|
/* /dev/ttyXX is already opened by someone? */
|
|
if (c->mode == M_ASYNC && d->tty && (d->tty->t_state & TS_ISOPEN) &&
|
|
(d->open_dev|0x2))
|
|
return EBUSY;
|
|
/* Network interface is up?
|
|
* Cannot change to async mode. */
|
|
if (c->mode != M_ASYNC && d->running &&
|
|
(*(int*)data == SERIAL_ASYNC))
|
|
return EBUSY;
|
|
|
|
s = splhigh ();
|
|
if (c->mode == M_HDLC && *(int*)data == SERIAL_ASYNC) {
|
|
cx_set_mode (c, M_ASYNC);
|
|
cx_enable_receive (c, 0);
|
|
cx_enable_transmit (c, 0);
|
|
} else if (c->mode == M_ASYNC && *(int*)data == SERIAL_HDLC) {
|
|
cx_set_mode (c, M_HDLC);
|
|
cx_enable_receive (c, 1);
|
|
cx_enable_transmit (c, 1);
|
|
}
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_GETSTAT:
|
|
CX_DEBUG2 (d, ("ioctl: getestat\n"));
|
|
st = (struct serial_statistics*) data;
|
|
s = splhigh ();
|
|
st->rintr = c->rintr;
|
|
st->tintr = c->tintr;
|
|
st->mintr = c->mintr;
|
|
st->ibytes = c->ibytes;
|
|
st->ipkts = c->ipkts;
|
|
st->ierrs = c->ierrs;
|
|
st->obytes = c->obytes;
|
|
st->opkts = c->opkts;
|
|
st->oerrs = c->oerrs;
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_CLRSTAT:
|
|
CX_DEBUG2 (d, ("ioctl: clrstat\n"));
|
|
/* Only for superuser! */
|
|
#if __FreeBSD_version < 500000
|
|
error = suser (p);
|
|
#else /* __FreeBSD_version >= 500000 */
|
|
error = suser (td);
|
|
#endif /* __FreeBSD_version >= 500000 */
|
|
if (error)
|
|
return error;
|
|
s = splhigh ();
|
|
c->rintr = 0;
|
|
c->tintr = 0;
|
|
c->mintr = 0;
|
|
c->ibytes = 0;
|
|
c->ipkts = 0;
|
|
c->ierrs = 0;
|
|
c->obytes = 0;
|
|
c->opkts = 0;
|
|
c->oerrs = 0;
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_GETBAUD:
|
|
CX_DEBUG2 (d, ("ioctl: getbaud\n"));
|
|
if (c->mode == M_ASYNC)
|
|
return EINVAL;
|
|
s = splhigh ();
|
|
*(long*)data = cx_get_baud(c);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_SETBAUD:
|
|
CX_DEBUG2 (d, ("ioctl: setbaud\n"));
|
|
/* Only for superuser! */
|
|
#if __FreeBSD_version < 500000
|
|
error = suser (p);
|
|
#else /* __FreeBSD_version >= 500000 */
|
|
error = suser (td);
|
|
#endif /* __FreeBSD_version >= 500000 */
|
|
if (error)
|
|
return error;
|
|
if (c->mode == M_ASYNC)
|
|
return EINVAL;
|
|
s = splhigh ();
|
|
cx_set_baud (c, *(long*)data);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_GETLOOP:
|
|
CX_DEBUG2 (d, ("ioctl: getloop\n"));
|
|
if (c->mode == M_ASYNC)
|
|
return EINVAL;
|
|
s = splhigh ();
|
|
*(int*)data = cx_get_loop (c);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_SETLOOP:
|
|
CX_DEBUG2 (d, ("ioctl: setloop\n"));
|
|
/* Only for superuser! */
|
|
#if __FreeBSD_version < 500000
|
|
error = suser (p);
|
|
#else /* __FreeBSD_version >= 500000 */
|
|
error = suser (td);
|
|
#endif /* __FreeBSD_version >= 500000 */
|
|
if (error)
|
|
return error;
|
|
if (c->mode == M_ASYNC)
|
|
return EINVAL;
|
|
s = splhigh ();
|
|
cx_set_loop (c, *(int*)data);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_GETDPLL:
|
|
CX_DEBUG2 (d, ("ioctl: getdpll\n"));
|
|
if (c->mode == M_ASYNC)
|
|
return EINVAL;
|
|
s = splhigh ();
|
|
*(int*)data = cx_get_dpll (c);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_SETDPLL:
|
|
CX_DEBUG2 (d, ("ioctl: setdpll\n"));
|
|
/* Only for superuser! */
|
|
#if __FreeBSD_version < 500000
|
|
error = suser (p);
|
|
#else /* __FreeBSD_version >= 500000 */
|
|
error = suser (td);
|
|
#endif /* __FreeBSD_version >= 500000 */
|
|
if (error)
|
|
return error;
|
|
if (c->mode == M_ASYNC)
|
|
return EINVAL;
|
|
s = splhigh ();
|
|
cx_set_dpll (c, *(int*)data);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_GETNRZI:
|
|
CX_DEBUG2 (d, ("ioctl: getnrzi\n"));
|
|
if (c->mode == M_ASYNC)
|
|
return EINVAL;
|
|
s = splhigh ();
|
|
*(int*)data = cx_get_nrzi (c);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_SETNRZI:
|
|
CX_DEBUG2 (d, ("ioctl: setnrzi\n"));
|
|
/* Only for superuser! */
|
|
#if __FreeBSD_version < 500000
|
|
error = suser (p);
|
|
#else /* __FreeBSD_version >= 500000 */
|
|
error = suser (td);
|
|
#endif /* __FreeBSD_version >= 500000 */
|
|
if (error)
|
|
return error;
|
|
if (c->mode == M_ASYNC)
|
|
return EINVAL;
|
|
s = splhigh ();
|
|
cx_set_nrzi (c, *(int*)data);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_GETDEBUG:
|
|
CX_DEBUG2 (d, ("ioctl: getdebug\n"));
|
|
s = splhigh ();
|
|
*(int*)data = c->debug;
|
|
splx (s);
|
|
return 0;
|
|
|
|
case SERIAL_SETDEBUG:
|
|
CX_DEBUG2 (d, ("ioctl: setdebug\n"));
|
|
/* Only for superuser! */
|
|
#if __FreeBSD_version < 500000
|
|
error = suser (p);
|
|
#else /* __FreeBSD_version >= 500000 */
|
|
error = suser (td);
|
|
#endif /* __FreeBSD_version >= 500000 */
|
|
if (error)
|
|
return error;
|
|
s = splhigh ();
|
|
c->debug = *(int*)data;
|
|
splx (s);
|
|
#ifndef NETGRAPH
|
|
if (d->chan->debug)
|
|
d->pp.pp_if.if_flags |= IFF_DEBUG;
|
|
else
|
|
d->pp.pp_if.if_flags &= (~IFF_DEBUG);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
if (c->mode == M_ASYNC && !IF_CUNIT(dev) && d->tty) {
|
|
#if __FreeBSD_version >= 502113
|
|
error = ttyioctl (dev, cmd, data, flag, td);
|
|
ttyldoptim (d->tty);
|
|
if (error != ENOTTY) {
|
|
if (error)
|
|
CX_DEBUG2 (d, ("ttioctl: 0x%lx, error %d\n", cmd, error));
|
|
return error;
|
|
}
|
|
#else
|
|
#if __FreeBSD_version >= 500000
|
|
error = (*linesw[d->tty->t_line].l_ioctl) (d->tty, cmd, data, flag, td);
|
|
#else
|
|
error = (*linesw[d->tty->t_line].l_ioctl) (d->tty, cmd, data, flag, p);
|
|
#endif
|
|
ttyldoptim (d->tty);
|
|
if (error != ENOIOCTL) {
|
|
if (error)
|
|
CX_DEBUG2 (d, ("l_ioctl: 0x%lx, error %d\n", cmd, error));
|
|
return error;
|
|
}
|
|
error = ttioctl (d->tty, cmd, data, flag);
|
|
ttyldoptim (d->tty);
|
|
if (error != ENOIOCTL) {
|
|
if (error)
|
|
CX_DEBUG2 (d, ("ttioctl: 0x%lx, error %d\n", cmd, error));
|
|
return error;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
switch (cmd) {
|
|
case TIOCSBRK: /* Start sending line break */
|
|
CX_DEBUG2 (d, ("ioctl: tiocsbrk\n"));
|
|
s = splhigh ();
|
|
cx_send_break (c, 500);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case TIOCCBRK: /* Stop sending line break */
|
|
CX_DEBUG2 (d, ("ioctl: tioccbrk\n"));
|
|
return 0;
|
|
|
|
case TIOCSDTR: /* Set DTR */
|
|
CX_DEBUG2 (d, ("ioctl: tiocsdtr\n"));
|
|
s = splhigh ();
|
|
cx_set_dtr (c, 1);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case TIOCCDTR: /* Clear DTR */
|
|
CX_DEBUG2 (d, ("ioctl: tioccdtr\n"));
|
|
s = splhigh ();
|
|
cx_set_dtr (c, 0);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case TIOCMSET: /* Set DTR/RTS */
|
|
CX_DEBUG2 (d, ("ioctl: tiocmset\n"));
|
|
s = splhigh ();
|
|
cx_set_dtr (c, (*(int*)data & TIOCM_DTR) ? 1 : 0);
|
|
cx_set_rts (c, (*(int*)data & TIOCM_RTS) ? 1 : 0);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case TIOCMBIS: /* Add DTR/RTS */
|
|
CX_DEBUG2 (d, ("ioctl: tiocmbis\n"));
|
|
s = splhigh ();
|
|
if (*(int*)data & TIOCM_DTR) cx_set_dtr (c, 1);
|
|
if (*(int*)data & TIOCM_RTS) cx_set_rts (c, 1);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case TIOCMBIC: /* Clear DTR/RTS */
|
|
CX_DEBUG2 (d, ("ioctl: tiocmbic\n"));
|
|
s = splhigh ();
|
|
if (*(int*)data & TIOCM_DTR) cx_set_dtr (c, 0);
|
|
if (*(int*)data & TIOCM_RTS) cx_set_rts (c, 0);
|
|
splx (s);
|
|
return 0;
|
|
|
|
case TIOCMGET: /* Get modem status */
|
|
CX_DEBUG2 (d, ("ioctl: tiocmget\n"));
|
|
*(int*)data = cx_modem_status (d);
|
|
return 0;
|
|
|
|
}
|
|
CX_DEBUG2 (d, ("ioctl: 0x%lx\n", cmd));
|
|
return ENOTTY;
|
|
}
|
|
|
|
#if __FreeBSD_version < 502113
|
|
static void
|
|
ttyldoptim(tp)
|
|
struct tty *tp;
|
|
{
|
|
struct termios *t;
|
|
|
|
t = &tp->t_termios;
|
|
if (CONDITION(t,tp))
|
|
tp->t_state |= TS_CAN_BYPASS_L_RINT;
|
|
else
|
|
tp->t_state &= ~TS_CAN_BYPASS_L_RINT;
|
|
}
|
|
#endif
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
void cx_softintr (void *unused)
|
|
#else
|
|
void cx_softintr ()
|
|
#endif
|
|
{
|
|
drv_t *d;
|
|
async_q *q;
|
|
int i, s, ic, k;
|
|
while (MY_SOFT_INTR) {
|
|
MY_SOFT_INTR = 0;
|
|
for (i=0; i<NCX*NCHAN; ++i) {
|
|
d = channel [i];
|
|
if (!d || !d->chan || d->chan->type == T_NONE
|
|
|| d->chan->mode != M_ASYNC || !d->tty
|
|
|| !d->tty->t_dev)
|
|
continue;
|
|
s = splhigh ();
|
|
if (d->intr_action & CX_READ) {
|
|
q = &(d->aqueue);
|
|
if (d->tty->t_state & TS_CAN_BYPASS_L_RINT) {
|
|
k = AQ_GSZ(q);
|
|
if (d->tty->t_rawq.c_cc + k >
|
|
d->tty->t_ihiwat
|
|
&& (d->tty->t_cflag & CRTS_IFLOW
|
|
|| d->tty->t_iflag & IXOFF)
|
|
&& !(d->tty->t_state & TS_TBLOCK))
|
|
ttyblock(d->tty);
|
|
d->tty->t_rawcc += k;
|
|
while (k>0) {
|
|
k--;
|
|
AQ_POP (q, ic);
|
|
splx (s);
|
|
putc (ic, &d->tty->t_rawq);
|
|
s = splhigh ();
|
|
}
|
|
ttwakeup(d->tty);
|
|
if (d->tty->t_state & TS_TTSTOP
|
|
&& (d->tty->t_iflag & IXANY
|
|
|| d->tty->t_cc[VSTART] ==
|
|
d->tty->t_cc[VSTOP])) {
|
|
d->tty->t_state &= ~TS_TTSTOP;
|
|
d->tty->t_lflag &= ~FLUSHO;
|
|
d->intr_action |= CX_WRITE;
|
|
}
|
|
} else {
|
|
while (q->end != q->beg) {
|
|
AQ_POP (q, ic);
|
|
splx (s);
|
|
ttyld_rint (d->tty, ic);
|
|
s = splhigh ();
|
|
}
|
|
}
|
|
d->intr_action &= ~CX_READ;
|
|
}
|
|
splx (s);
|
|
|
|
s = splhigh ();
|
|
if (d->intr_action & CX_WRITE) {
|
|
if (d->tty->t_line)
|
|
ttyld_start (d->tty);
|
|
else
|
|
cx_oproc (d->tty);
|
|
d->intr_action &= ~CX_WRITE;
|
|
}
|
|
splx (s);
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Fill transmitter buffer with data.
|
|
*/
|
|
static void cx_oproc (struct tty *tp)
|
|
{
|
|
int s = splhigh (), k;
|
|
drv_t *d = channel [UNIT (tp->t_dev)];
|
|
static u_char buf[DMABUFSZ];
|
|
u_char *p;
|
|
u_short len = 0, sublen = 0;
|
|
|
|
if (!d) {
|
|
splx (s);
|
|
return;
|
|
}
|
|
|
|
CX_DEBUG2 (d, ("cx_oproc\n"));
|
|
if (tp->t_cflag & CRTSCTS && (tp->t_state & TS_TBLOCK) && d->chan->rts)
|
|
cx_set_rts (d->chan, 0);
|
|
else if (tp->t_cflag & CRTSCTS && ! (tp->t_state & TS_TBLOCK) && ! d->chan->rts)
|
|
cx_set_rts (d->chan, 1);
|
|
|
|
if (! (tp->t_state & (TS_TIMEOUT | TS_TTSTOP))) {
|
|
/* Start transmitter. */
|
|
cx_enable_transmit (d->chan, 1);
|
|
|
|
/* Is it busy? */
|
|
if (! cx_buf_free (d->chan)) {
|
|
tp->t_state |= TS_BUSY;
|
|
splx (s);
|
|
return;
|
|
}
|
|
if (tp->t_iflag & IXOFF) {
|
|
p = (buf + (DMABUFSZ/2));
|
|
sublen = q_to_b (&tp->t_outq, p, (DMABUFSZ/2));
|
|
k = sublen;
|
|
while (k--) {
|
|
/* Send XON/XOFF out of band. */
|
|
if (*p == tp->t_cc[VSTOP]) {
|
|
cx_xflow_ctl (d->chan, 0);
|
|
p++;
|
|
continue;
|
|
}
|
|
if (*p == tp->t_cc[VSTART]) {
|
|
cx_xflow_ctl (d->chan, 1);
|
|
p++;
|
|
continue;
|
|
}
|
|
buf[len] = *p;
|
|
len++;
|
|
p++;
|
|
}
|
|
} else {
|
|
p = buf;
|
|
len = q_to_b (&tp->t_outq, p, (DMABUFSZ/2));
|
|
}
|
|
if (len) {
|
|
cx_send_packet (d->chan, buf, len, 0);
|
|
tp->t_state |= TS_BUSY;
|
|
d->atimeout = 10;
|
|
CX_DEBUG2 (d, ("out %d bytes\n", len));
|
|
}
|
|
}
|
|
ttwwakeup (tp);
|
|
splx (s);
|
|
}
|
|
|
|
static int cx_param (struct tty *tp, struct termios *t)
|
|
{
|
|
drv_t *d = channel [UNIT (tp->t_dev)];
|
|
int s, bits, parity;
|
|
|
|
if (!d)
|
|
return EINVAL;
|
|
|
|
s = splhigh ();
|
|
if (t->c_ospeed == 0) {
|
|
/* Clear DTR and RTS. */
|
|
cx_set_dtr (d->chan, 0);
|
|
splx (s);
|
|
CX_DEBUG2 (d, ("cx_param (hangup)\n"));
|
|
return 0;
|
|
}
|
|
CX_DEBUG2 (d, ("cx_param\n"));
|
|
|
|
/* Check requested parameters. */
|
|
if (t->c_ospeed < 300 || t->c_ospeed > 256*1024) {
|
|
splx (s);
|
|
return EINVAL;
|
|
}
|
|
if (t->c_ispeed && (t->c_ispeed < 300 || t->c_ispeed > 256*1024)) {
|
|
splx (s);
|
|
return EINVAL;
|
|
}
|
|
|
|
/* And copy them to tty and channel structures. */
|
|
tp->t_ispeed = t->c_ispeed = tp->t_ospeed = t->c_ospeed;
|
|
tp->t_cflag = t->c_cflag;
|
|
|
|
/* Set character length and parity mode. */
|
|
switch (t->c_cflag & CSIZE) {
|
|
default:
|
|
case CS8: bits = 8; break;
|
|
case CS7: bits = 7; break;
|
|
case CS6: bits = 6; break;
|
|
case CS5: bits = 5; break;
|
|
}
|
|
|
|
parity = ((t->c_cflag & PARENB) ? 1 : 0) *
|
|
(1 + ((t->c_cflag & PARODD) ? 0 : 1));
|
|
|
|
/* Set current channel number. */
|
|
if (! d->chan->dtr)
|
|
cx_set_dtr (d->chan, 1);
|
|
|
|
ttyldoptim (tp);
|
|
cx_set_async_param (d->chan, t->c_ospeed, bits, parity, (t->c_cflag & CSTOPB),
|
|
!(t->c_cflag & PARENB), (t->c_cflag & CRTSCTS),
|
|
(t->c_iflag & IXON), (t->c_iflag & IXANY),
|
|
t->c_cc[VSTART], t->c_cc[VSTOP]);
|
|
splx (s);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Stop output on a line
|
|
*/
|
|
static void cx_stop (struct tty *tp, int flag)
|
|
{
|
|
drv_t *d = channel [UNIT (tp->t_dev)];
|
|
int s;
|
|
|
|
if (!d)
|
|
return;
|
|
|
|
s = splhigh ();
|
|
|
|
if (tp->t_state & TS_BUSY) {
|
|
/* Stop transmitter */
|
|
CX_DEBUG2 (d, ("cx_stop\n"));
|
|
cx_transmitter_ctl (d->chan, 0);
|
|
}
|
|
splx (s);
|
|
}
|
|
|
|
/*
|
|
* Process the (delayed) carrier signal setup.
|
|
*/
|
|
static void cx_carrier (void *arg)
|
|
{
|
|
drv_t *d = arg;
|
|
cx_chan_t *c = d->chan;
|
|
int s, cd;
|
|
|
|
s = splhigh ();
|
|
cd = cx_get_cd (c);
|
|
if (d->cd != cd) {
|
|
if (cd) {
|
|
CX_DEBUG (d, ("carrier on\n"));
|
|
d->cd = 1;
|
|
splx (s);
|
|
if (d->tty)
|
|
ttyld_modem(d->tty, 1);
|
|
} else {
|
|
CX_DEBUG (d, ("carrier loss\n"));
|
|
d->cd = 0;
|
|
splx (s);
|
|
if (d->tty)
|
|
ttyld_modem(d->tty, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Modem signal callback function.
|
|
*/
|
|
static void cx_modem (cx_chan_t *c)
|
|
{
|
|
drv_t *d = c->sys;
|
|
|
|
if (!d || c->mode != M_ASYNC)
|
|
return;
|
|
/* Handle carrier detect/loss. */
|
|
untimeout (cx_carrier, c, d->dcd_timeout_handle);
|
|
/* Carrier changed - delay processing DCD for a while
|
|
* to give both sides some time to initialize. */
|
|
d->dcd_timeout_handle = timeout (cx_carrier, d, hz/2);
|
|
}
|
|
|
|
#if __FreeBSD_version < 500000
|
|
static struct cdevsw cx_cdevsw = {
|
|
cx_open, cx_close, cx_read, cx_write,
|
|
cx_ioctl, ttypoll, nommap, nostrategy,
|
|
"cx", CDEV_MAJOR, nodump, nopsize,
|
|
D_TTY, -1
|
|
};
|
|
#elif __FreeBSD_version == 500000
|
|
static struct cdevsw cx_cdevsw = {
|
|
cx_open, cx_close, cx_read, cx_write,
|
|
cx_ioctl, ttypoll, nommap, nostrategy,
|
|
"cx", CDEV_MAJOR, nodump, nopsize,
|
|
D_TTY,
|
|
};
|
|
#elif __FreeBSD_version <= 501000
|
|
static struct cdevsw cx_cdevsw = {
|
|
.d_open = cx_open,
|
|
.d_close = cx_close,
|
|
.d_read = cx_read,
|
|
.d_write = cx_write,
|
|
.d_ioctl = cx_ioctl,
|
|
.d_poll = ttypoll,
|
|
.d_mmap = nommap,
|
|
.d_strategy = nostrategy,
|
|
.d_name = "cx",
|
|
.d_maj = CDEV_MAJOR,
|
|
.d_dump = nodump,
|
|
.d_flags = D_TTY,
|
|
};
|
|
#elif __FreeBSD_version < 502103
|
|
static struct cdevsw cx_cdevsw = {
|
|
.d_open = cx_open,
|
|
.d_close = cx_close,
|
|
.d_read = cx_read,
|
|
.d_write = cx_write,
|
|
.d_ioctl = cx_ioctl,
|
|
.d_poll = ttypoll,
|
|
.d_name = "cx",
|
|
.d_maj = CDEV_MAJOR,
|
|
.d_flags = D_TTY,
|
|
};
|
|
#else /* __FreeBSD_version >= 502103 */
|
|
static struct cdevsw cx_cdevsw = {
|
|
.d_version = D_VERSION,
|
|
.d_open = cx_open,
|
|
.d_close = cx_close,
|
|
.d_read = cx_read,
|
|
.d_write = cx_write,
|
|
.d_ioctl = cx_ioctl,
|
|
.d_name = "cx",
|
|
.d_maj = CDEV_MAJOR,
|
|
.d_flags = D_TTY | D_NEEDGIANT,
|
|
};
|
|
#endif
|
|
|
|
#ifdef NETGRAPH
|
|
#if __FreeBSD_version >= 500000
|
|
static int ng_cx_constructor (node_p node)
|
|
{
|
|
drv_t *d = NG_NODE_PRIVATE (node);
|
|
#else
|
|
static int ng_cx_constructor (node_p *node)
|
|
{
|
|
drv_t *d = (*node)->private;
|
|
#endif
|
|
CX_DEBUG (d, ("Constructor\n"));
|
|
return EINVAL;
|
|
}
|
|
|
|
static int ng_cx_newhook (node_p node, hook_p hook, const char *name)
|
|
{
|
|
int s;
|
|
#if __FreeBSD_version >= 500000
|
|
drv_t *d = NG_NODE_PRIVATE (node);
|
|
#else
|
|
drv_t *d = node->private;
|
|
#endif
|
|
|
|
if (d->chan->mode == M_ASYNC)
|
|
return EINVAL;
|
|
|
|
/* Attach debug hook */
|
|
if (strcmp (name, NG_CX_HOOK_DEBUG) == 0) {
|
|
#if __FreeBSD_version >= 500000
|
|
NG_HOOK_SET_PRIVATE (hook, NULL);
|
|
#else
|
|
hook->private = 0;
|
|
#endif
|
|
d->debug_hook = hook;
|
|
return 0;
|
|
}
|
|
|
|
/* Check for raw hook */
|
|
if (strcmp (name, NG_CX_HOOK_RAW) != 0)
|
|
return EINVAL;
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
NG_HOOK_SET_PRIVATE (hook, d);
|
|
#else
|
|
hook->private = d;
|
|
#endif
|
|
d->hook = hook;
|
|
s = splhigh ();
|
|
cx_up (d);
|
|
splx (s);
|
|
return 0;
|
|
}
|
|
|
|
static int print_modems (char *s, cx_chan_t *c, int need_header)
|
|
{
|
|
int status = cx_modem_status (c->sys);
|
|
int length = 0;
|
|
|
|
if (need_header)
|
|
length += sprintf (s + length, " LE DTR DSR RTS CTS CD\n");
|
|
length += sprintf (s + length, "%4s %4s %4s %4s %4s %4s\n",
|
|
status & TIOCM_LE ? "On" : "-",
|
|
status & TIOCM_DTR ? "On" : "-",
|
|
status & TIOCM_DSR ? "On" : "-",
|
|
status & TIOCM_RTS ? "On" : "-",
|
|
status & TIOCM_CTS ? "On" : "-",
|
|
status & TIOCM_CD ? "On" : "-");
|
|
return length;
|
|
}
|
|
|
|
static int print_stats (char *s, cx_chan_t *c, int need_header)
|
|
{
|
|
int length = 0;
|
|
|
|
if (need_header)
|
|
length += sprintf (s + length, " Rintr Tintr Mintr Ibytes Ipkts Ierrs Obytes Opkts Oerrs\n");
|
|
length += sprintf (s + length, "%7ld %7ld %7ld %8ld %7ld %7ld %8ld %7ld %7ld\n",
|
|
c->rintr, c->tintr, c->mintr, c->ibytes, c->ipkts,
|
|
c->ierrs, c->obytes, c->opkts, c->oerrs);
|
|
return length;
|
|
}
|
|
|
|
static int print_chan (char *s, cx_chan_t *c)
|
|
{
|
|
drv_t *d = c->sys;
|
|
int length = 0;
|
|
|
|
length += sprintf (s + length, "cx%d", c->board->num * NCHAN + c->num);
|
|
if (d->chan->debug)
|
|
length += sprintf (s + length, " debug=%d", d->chan->debug);
|
|
|
|
if (cx_get_baud (c))
|
|
length += sprintf (s + length, " %ld", cx_get_baud (c));
|
|
else
|
|
length += sprintf (s + length, " extclock");
|
|
|
|
if (c->mode == M_HDLC) {
|
|
length += sprintf (s + length, " dpll=%s", cx_get_dpll (c) ? "on" : "off");
|
|
length += sprintf (s + length, " nrzi=%s", cx_get_nrzi (c) ? "on" : "off");
|
|
}
|
|
|
|
length += sprintf (s + length, " loop=%s", cx_get_loop (c) ? "on\n" : "off\n");
|
|
return length;
|
|
}
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
static int ng_cx_rcvmsg (node_p node, item_p item, hook_p lasthook)
|
|
{
|
|
drv_t *d = NG_NODE_PRIVATE (node);
|
|
struct ng_mesg *msg;
|
|
#else
|
|
static int ng_cx_rcvmsg (node_p node, struct ng_mesg *msg,
|
|
const char *retaddr, struct ng_mesg **rptr)
|
|
{
|
|
drv_t *d = node->private;
|
|
#endif
|
|
struct ng_mesg *resp = NULL;
|
|
int error = 0;
|
|
|
|
if (!d)
|
|
return EINVAL;
|
|
|
|
CX_DEBUG (d, ("Rcvmsg\n"));
|
|
#if __FreeBSD_version >= 500000
|
|
NGI_GET_MSG (item, msg);
|
|
#endif
|
|
switch (msg->header.typecookie) {
|
|
default:
|
|
error = EINVAL;
|
|
break;
|
|
|
|
case NGM_CX_COOKIE:
|
|
printf ("Don't forget to implement\n");
|
|
error = EINVAL;
|
|
break;
|
|
|
|
case NGM_GENERIC_COOKIE:
|
|
switch (msg->header.cmd) {
|
|
default:
|
|
error = EINVAL;
|
|
break;
|
|
|
|
case NGM_TEXT_STATUS: {
|
|
char *s;
|
|
int l = 0;
|
|
int dl = sizeof (struct ng_mesg) + 730;
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
NG_MKRESPONSE (resp, msg, dl, M_NOWAIT);
|
|
if (! resp) {
|
|
error = ENOMEM;
|
|
break;
|
|
}
|
|
#else
|
|
MALLOC (resp, struct ng_mesg *, dl,
|
|
M_NETGRAPH, M_NOWAIT);
|
|
if (! resp) {
|
|
error = ENOMEM;
|
|
break;
|
|
}
|
|
#endif
|
|
bzero (resp, dl);
|
|
s = (resp)->data;
|
|
l += print_chan (s + l, d->chan);
|
|
l += print_stats (s + l, d->chan, 1);
|
|
l += print_modems (s + l, d->chan, 1);
|
|
#if __FreeBSD_version < 500000
|
|
(resp)->header.version = NG_VERSION;
|
|
(resp)->header.arglen = strlen (s) + 1;
|
|
(resp)->header.token = msg->header.token;
|
|
(resp)->header.typecookie = NGM_CX_COOKIE;
|
|
(resp)->header.cmd = msg->header.cmd;
|
|
#endif
|
|
strncpy ((resp)->header.cmdstr, "status", NG_CMDSTRLEN);
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
#if __FreeBSD_version >= 500000
|
|
NG_RESPOND_MSG (error, node, item, resp);
|
|
NG_FREE_MSG (msg);
|
|
#else
|
|
*rptr = resp;
|
|
FREE (msg, M_NETGRAPH);
|
|
#endif
|
|
return error;
|
|
}
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
static int ng_cx_rcvdata (hook_p hook, item_p item)
|
|
{
|
|
drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE(hook));
|
|
struct mbuf *m;
|
|
struct ng_tag_prio *ptag;
|
|
#else
|
|
static int ng_cx_rcvdata (hook_p hook, struct mbuf *m, meta_p meta)
|
|
{
|
|
drv_t *d = hook->node->private;
|
|
#endif
|
|
struct ifqueue *q;
|
|
int s;
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
NGI_GET_M (item, m);
|
|
NG_FREE_ITEM (item);
|
|
if (! NG_HOOK_PRIVATE (hook) || ! d) {
|
|
NG_FREE_M (m);
|
|
#else
|
|
if (! hook->private || ! d) {
|
|
NG_FREE_DATA (m,meta);
|
|
#endif
|
|
return ENETDOWN;
|
|
}
|
|
|
|
/* Check for high priority data */
|
|
if ((ptag = (struct ng_tag_prio *)m_tag_locate(m, NGM_GENERIC_COOKIE,
|
|
NG_TAG_PRIO, NULL)) != NULL && (ptag->priority > NG_PRIO_CUTOFF) )
|
|
q = &d->hi_queue;
|
|
else
|
|
q = &d->lo_queue;
|
|
|
|
s = splhigh ();
|
|
#if __FreeBSD_version >= 500000
|
|
IF_LOCK (q);
|
|
if (_IF_QFULL (q)) {
|
|
_IF_DROP (q);
|
|
IF_UNLOCK (q);
|
|
splx (s);
|
|
NG_FREE_M (m);
|
|
return ENOBUFS;
|
|
}
|
|
_IF_ENQUEUE (q, m);
|
|
IF_UNLOCK (q);
|
|
#else
|
|
if (IF_QFULL (q)) {
|
|
IF_DROP (q);
|
|
splx (s);
|
|
NG_FREE_DATA (m, meta);
|
|
return ENOBUFS;
|
|
}
|
|
IF_ENQUEUE (q, m);
|
|
#endif
|
|
cx_start (d);
|
|
splx (s);
|
|
return 0;
|
|
}
|
|
|
|
static int ng_cx_rmnode (node_p node)
|
|
{
|
|
#if __FreeBSD_version >= 500000
|
|
drv_t *d = NG_NODE_PRIVATE (node);
|
|
|
|
CX_DEBUG (d, ("Rmnode\n"));
|
|
if (d && d->running) {
|
|
int s = splhigh ();
|
|
cx_down (d);
|
|
splx (s);
|
|
}
|
|
#ifdef KLD_MODULE
|
|
if (node->nd_flags & NG_REALLY_DIE) {
|
|
NG_NODE_SET_PRIVATE (node, NULL);
|
|
NG_NODE_UNREF (node);
|
|
}
|
|
node->nd_flags &= ~NG_INVALID;
|
|
#endif
|
|
#else /* __FreeBSD_version < 500000 */
|
|
drv_t *d = node->private;
|
|
int s;
|
|
|
|
s = splhigh ();
|
|
cx_down (d);
|
|
splx (s);
|
|
node->flags |= NG_INVALID;
|
|
ng_cutlinks (node);
|
|
#ifdef KLD_MODULE
|
|
ng_unname (node);
|
|
ng_unref (node);
|
|
#else
|
|
node->flags &= ~NG_INVALID;
|
|
#endif
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static void ng_cx_watchdog (void *arg)
|
|
{
|
|
drv_t *d = arg;
|
|
|
|
if (d->timeout == 1)
|
|
cx_watchdog (d);
|
|
if (d->timeout)
|
|
d->timeout--;
|
|
d->timeout_handle = timeout (ng_cx_watchdog, d, hz);
|
|
}
|
|
|
|
static int ng_cx_connect (hook_p hook)
|
|
{
|
|
#if __FreeBSD_version >= 500000
|
|
drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
|
|
#else
|
|
drv_t *d = hook->node->private;
|
|
#endif
|
|
|
|
d->timeout_handle = timeout (ng_cx_watchdog, d, hz);
|
|
return 0;
|
|
}
|
|
|
|
static int ng_cx_disconnect (hook_p hook)
|
|
{
|
|
#if __FreeBSD_version >= 500000
|
|
drv_t *d = NG_NODE_PRIVATE (NG_HOOK_NODE (hook));
|
|
#else
|
|
drv_t *d = hook->node->private;
|
|
#endif
|
|
int s;
|
|
|
|
s = splhigh ();
|
|
#if __FreeBSD_version >= 500000
|
|
if (NG_HOOK_PRIVATE (hook))
|
|
#else
|
|
if (hook->private)
|
|
#endif
|
|
cx_down (d);
|
|
splx (s);
|
|
untimeout (ng_cx_watchdog, d, d->timeout_handle);
|
|
return 0;
|
|
}
|
|
#endif /*NETGRAPH*/
|
|
|
|
static int cx_modevent (module_t mod, int type, void *unused)
|
|
{
|
|
struct cdev *dev;
|
|
static int load_count = 0;
|
|
struct cdevsw *cdsw;
|
|
|
|
#if __FreeBSD_version >= 502103
|
|
dev = findcdev (makedev(CDEV_MAJOR, 0));
|
|
#else
|
|
dev = makedev (CDEV_MAJOR, 0);
|
|
#endif
|
|
switch (type) {
|
|
case MOD_LOAD:
|
|
if (dev != NULL &&
|
|
(cdsw = devsw (dev)) &&
|
|
cdsw->d_maj == CDEV_MAJOR) {
|
|
printf ("Sigma driver is already in system\n");
|
|
return (EEXIST);
|
|
}
|
|
#if __FreeBSD_version >= 500000 && defined NETGRAPH
|
|
if (ng_newtype (&typestruct))
|
|
printf ("Failed to register ng_cx\n");
|
|
#endif
|
|
++load_count;
|
|
#if __FreeBSD_version <= 500000
|
|
cdevsw_add (&cx_cdevsw);
|
|
#endif
|
|
timeout_handle = timeout (cx_timeout, 0, hz*5);
|
|
/* Software interrupt. */
|
|
#if __FreeBSD_version < 500000
|
|
register_swi (SWI_TTY, cx_softintr);
|
|
#else
|
|
swi_add(&tty_ithd, "cx", cx_softintr, NULL, SWI_TTY, 0,
|
|
&cx_fast_ih);
|
|
#endif
|
|
break;
|
|
case MOD_UNLOAD:
|
|
if (load_count == 1) {
|
|
printf ("Removing device entry for Sigma\n");
|
|
#if __FreeBSD_version <= 500000
|
|
cdevsw_remove (&cx_cdevsw);
|
|
#endif
|
|
#if __FreeBSD_version >= 500000 && defined NETGRAPH
|
|
ng_rmtype (&typestruct);
|
|
#endif
|
|
}
|
|
if (timeout_handle.callout)
|
|
untimeout (cx_timeout, 0, timeout_handle);
|
|
#if __FreeBSD_version >= 500000
|
|
ithread_remove_handler (cx_fast_ih);
|
|
#else
|
|
unregister_swi (SWI_TTY, cx_softintr);
|
|
#endif
|
|
--load_count;
|
|
break;
|
|
case MOD_SHUTDOWN:
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#ifdef NETGRAPH
|
|
static struct ng_type typestruct = {
|
|
.version = NG_ABI_VERSION,
|
|
.name = NG_CX_NODE_TYPE,
|
|
.constructor = ng_cx_constructor,
|
|
.rcvmsg = ng_cx_rcvmsg,
|
|
.shutdown = ng_cx_rmnode,
|
|
.newhook = ng_cx_newhook,
|
|
.connect = ng_cx_connect,
|
|
.rcvdata = ng_cx_rcvdata,
|
|
.disconnect = ng_cx_disconnect,
|
|
};
|
|
#endif /*NETGRAPH*/
|
|
|
|
#if __FreeBSD_version >= 500000
|
|
#ifdef NETGRAPH
|
|
MODULE_DEPEND (ng_cx, netgraph, NG_ABI_VERSION, NG_ABI_VERSION, NG_ABI_VERSION);
|
|
#else
|
|
MODULE_DEPEND (isa_cx, sppp, 1, 1, 1);
|
|
#endif
|
|
#ifdef KLD_MODULE
|
|
DRIVER_MODULE (cxmod, isa, cx_isa_driver, cx_devclass, cx_modevent, NULL);
|
|
#else
|
|
DRIVER_MODULE (cx, isa, cx_isa_driver, cx_devclass, cx_modevent, NULL);
|
|
#endif
|
|
#elif __FreeBSD_version >= 400000
|
|
#ifdef NETGRAPH
|
|
DRIVER_MODULE(cx, isa, cx_isa_driver, cx_devclass, ng_mod_event, &typestruct);
|
|
#else
|
|
DRIVER_MODULE(cx, isa, cx_isa_driver, cx_devclass, cx_modevent, 0);
|
|
#endif
|
|
#endif /* __FreeBSD_version >= 400000 */
|
|
#endif /* NCX */
|