ng_tty.c File Reference

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/errno.h>
#include <sys/fcntl.h>
#include <sys/ioccom.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/priv.h>
#include <sys/socket.h>
#include <sys/syslog.h>
#include <sys/tty.h>
#include <sys/ttycom.h>
#include <sys/proc.h>
#include <net/if.h>
#include <net/if_var.h>
#include <netgraph/ng_message.h>
#include <netgraph/netgraph.h>
#include <netgraph/ng_tty.h>

Include dependency graph for ng_tty.c:

Go to the source code of this file.

Data Structures
struct	ngt_softc

Macros
#define	FLG_DEBUG   0x0002
#define	ERROUT(x)   do { error = (x); goto done; } while (0)
#define	NGTLOCK(sc)   IF_LOCK(&sc->outq)
#define	NGTUNLOCK(sc)   IF_UNLOCK(&sc->outq)

Typedefs
typedef struct ngt_softc *	sc_p

Functions
	NETGRAPH_INIT (tty, &typestruct)
static int	ngt_constructor (node_p node)
static int	ngt_newhook (node_p node, hook_p hook, const char *name)
static int	ngt_connect (hook_p hook)
static int	ngt_disconnect (hook_p hook)
static int	ngt_shutdown (node_p node)
static int	ngt_rcvmsg (node_p node, item_p item, hook_p lasthook)
static int	ngt_rcvdata (hook_p hook, item_p item)
static size_t	ngt_getc_inject (struct tty *tp, void *buf, size_t len)
static size_t	ngt_getc_poll (struct tty *tp)
static size_t	ngt_rint_bypass (struct tty *tp, const void *buf, size_t len)
static int	ngt_rint (struct tty *tp, char c, int flags)
static size_t	ngt_rint_poll (struct tty *tp)

Variables
static ng_constructor_t	ngt_constructor
static ng_rcvmsg_t	ngt_rcvmsg
static ng_shutdown_t	ngt_shutdown
static ng_newhook_t	ngt_newhook
static ng_connect_t	ngt_connect
static ng_rcvdata_t	ngt_rcvdata
static ng_disconnect_t	ngt_disconnect
static th_getc_inject_t	ngt_getc_inject
static th_getc_poll_t	ngt_getc_poll
static th_rint_t	ngt_rint
static th_rint_bypass_t	ngt_rint_bypass
static th_rint_poll_t	ngt_rint_poll
static struct ttyhook	ngt_hook
static struct ng_type	typestruct

Macro Definition Documentation

ERROUT

#define ERROUT

(

x

)

do { error = (x); goto done; } while (0)

Definition at line 110 of file ng_tty.c.

FLG_DEBUG

#define FLG_DEBUG   0x0002

Definition at line 99 of file ng_tty.c.

NGTLOCK

#define NGTLOCK

(

sc

)

IF_LOCK(&sc->outq)

Definition at line 140 of file ng_tty.c.

NGTUNLOCK

#define NGTUNLOCK

(

sc

)

IF_UNLOCK(&sc->outq)

Definition at line 141 of file ng_tty.c.

Typedef Documentation

sc_p

typedef struct ngt_softc* sc_p

Definition at line 96 of file ng_tty.c.

Function Documentation

NETGRAPH_INIT()

NETGRAPH_INIT	(	tty	,
		&	typestruct
	)

ngt_connect()

static int ngt_connect ( hook_p  hook )

static

Definition at line 197 of file ng_tty.c.

References NG_HOOK_FORCE_QUEUE.

ngt_constructor()

static int ngt_constructor ( node_p  node )

static

Definition at line 154 of file ng_tty.c.

References ifqmaxlen, NG_NODE_SET_PRIVATE, and ng_async_private::node.

ngt_disconnect()

static int ngt_disconnect ( hook_p  hook )

static

Definition at line 207 of file ng_tty.c.

References NG_HOOK_NODE, NG_NODE_PRIVATE, NGTLOCK, and NGTUNLOCK.

ngt_getc_inject()

static size_t ngt_getc_inject ( struct tty *  tp, void *  buf, size_t  len  )

static

Definition at line 349 of file ng_tty.c.

References length, and min.

ngt_getc_poll()

static size_t ngt_getc_poll ( struct tty *  tp )

static

Definition at line 393 of file ng_tty.c.

ngt_newhook()

static int ngt_newhook ( node_p  node, hook_p  hook, const char *  name  )

static

Definition at line 174 of file ng_tty.c.

References name, NG_NODE_PRIVATE, NG_TTY_HOOK, NGTLOCK, and NGTUNLOCK.

ngt_rcvdata()

static int ngt_rcvdata ( hook_p  hook, item_p  item  )

static

Definition at line 311 of file ng_tty.c.

References NG_FREE_ITEM, NG_FREE_M, NG_HOOK_NODE, NG_NODE_PRIVATE, and NGI_GET_M.

ngt_rcvmsg()

static int ngt_rcvmsg ( node_p  node, item_p  item, hook_p  lasthook  )

static

Definition at line 248 of file ng_tty.c.

References ng_mesg::ng_msghdr::arglen, ng_mesg::ng_msghdr::cmd, ng_mesg::data, ERROUT, ng_mesg::header, NG_FREE_MSG, NG_MKRESPONSE, NG_NODE_PRIVATE, NG_RESPOND_MSG, NGI_GET_MSG, NGM_TTY_COOKIE, NGM_TTY_GET_HOTCHAR, NGM_TTY_SET_HOTCHAR, NGM_TTY_SET_TTY, ngt_hook, and ng_mesg::ng_msghdr::typecookie.

ngt_rint()

static int ngt_rint ( struct tty *  tp, char  c, int  flags  )

static

Definition at line 455 of file ng_tty.c.

References flags, FLG_DEBUG, NG_NODE_NAME, NG_SEND_DATA_ONLY, and ng_async_private::node.

ngt_rint_bypass()

static size_t ngt_rint_bypass ( struct tty *  tp, const void *  buf, size_t  len  )

static

Definition at line 407 of file ng_tty.c.

References FLG_DEBUG, length, min, NG_NODE_NAME, NG_SEND_DATA_ONLY, and ng_async_private::node.

ngt_rint_poll()

static size_t ngt_rint_poll ( struct tty *  tp )

static

Definition at line 505 of file ng_tty.c.

ngt_shutdown()

static int ngt_shutdown ( node_p  node )

static

Definition at line 225 of file ng_tty.c.

References NG_NODE_PRIVATE, NG_NODE_UNREF, and ng_async_private::node.

Variable Documentation

ngt_connect

ng_connect_t ngt_connect

static

Definition at line 106 of file ng_tty.c.

ngt_constructor

ng_constructor_t ngt_constructor

static

Definition at line 102 of file ng_tty.c.

ngt_disconnect

ng_disconnect_t ngt_disconnect

static

Definition at line 108 of file ng_tty.c.

ngt_getc_inject

th_getc_inject_t ngt_getc_inject

static

Definition at line 112 of file ng_tty.c.

ngt_getc_poll

th_getc_poll_t ngt_getc_poll

static

Definition at line 113 of file ng_tty.c.

ngt_hook

struct ttyhook ngt_hook

static

Initial value:

= {
        .th_getc_inject = ngt_getc_inject,
        .th_getc_poll = ngt_getc_poll,
        .th_rint = ngt_rint,
        .th_rint_bypass = ngt_rint_bypass,
        .th_rint_poll = ngt_rint_poll,
}

Definition at line 118 of file ng_tty.c.

Referenced by ngt_rcvmsg().

ngt_newhook

ng_newhook_t ngt_newhook

static

Definition at line 105 of file ng_tty.c.

ngt_rcvdata

ng_rcvdata_t ngt_rcvdata

static

Definition at line 107 of file ng_tty.c.

ngt_rcvmsg

ng_rcvmsg_t ngt_rcvmsg

static

Definition at line 103 of file ng_tty.c.

ngt_rint

th_rint_t ngt_rint

static

Definition at line 114 of file ng_tty.c.

ngt_rint_bypass

th_rint_bypass_t ngt_rint_bypass

static

Definition at line 115 of file ng_tty.c.

ngt_rint_poll

th_rint_poll_t ngt_rint_poll

static

Definition at line 116 of file ng_tty.c.

ngt_shutdown

ng_shutdown_t ngt_shutdown

static

Definition at line 104 of file ng_tty.c.

typestruct

struct ng_type typestruct

static

Initial value:

= {
        .version =      NG_ABI_VERSION,
        .name =         NG_TTY_NODE_TYPE,
        .constructor =  ngt_constructor,
        .rcvmsg =       ngt_rcvmsg,
        .shutdown =     ngt_shutdown,
        .newhook =      ngt_newhook,
        .connect =      ngt_connect,
        .rcvdata =      ngt_rcvdata,
        .disconnect =   ngt_disconnect,
}

Definition at line 127 of file ng_tty.c.