ng_sscop.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/errno.h>
#include <sys/syslog.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/callout.h>
#include <sys/sbuf.h>
#include <sys/stdint.h>
#include <machine/stdarg.h>
#include <netgraph/ng_message.h>
#include <netgraph/netgraph.h>
#include <netgraph/ng_parse.h>
#include <netnatm/saal/sscopdef.h>
#include <netgraph/atm/ng_sscop.h>
#include <netgraph/atm/sscop/ng_sscop_cust.h>
#include <netnatm/saal/sscop.h>

Include dependency graph for ng_sscop.c:

Go to the source code of this file.

Data Structures
struct	stats
struct	priv

Macros
#define	DDD   printf("%s: %d\n", __func__, __LINE__)
#define	VERBOSE(P, M, F)

Functions
	__FBSDID ("$FreeBSD$")
	MALLOC_DEFINE (M_NG_SSCOP, "netgraph_sscop", "netgraph sscop node")
	MODULE_DEPEND (ng_sscop, ngatmbase, 1, 1, 1)
static int	ng_sscop_mod_event (module_t, int, void *)
	NETGRAPH_INIT (sscop, &ng_sscop_typestruct)
static void	sscop_send_manage (struct sscop *, void *, enum sscop_maasig, struct SSCOP_MBUF_T *, u_int, u_int)
static void	sscop_send_upper (struct sscop *, void *, enum sscop_aasig, struct SSCOP_MBUF_T *, u_int)
static void	sscop_send_lower (struct sscop *, void *, struct SSCOP_MBUF_T *)
static void	sscop_verbose (struct sscop *, void *, const char *,...)
static int	ng_sscop_constructor (node_p node)
static int	ng_sscop_shutdown (node_p node)
static int	flow_upper (node_p node, struct ng_mesg *msg)
static int	flow_lower (node_p node, struct ng_mesg *msg)
static int	text_status (node_p node, struct priv *priv, char *arg, u_int len)
static int	ng_sscop_rcvmsg (node_p node, item_p item, hook_p lasthook)
static int	ng_sscop_newhook (node_p node, hook_p hook, const char *name)
static int	ng_sscop_disconnect (hook_p hook)
static int	ng_sscop_rcvlower (hook_p hook, item_p item)
static void	sscop_send_lower (struct sscop *sscop, void *p, struct mbuf *m)
static int	ng_sscop_rcvupper (hook_p hook, item_p item)
static int	ng_sscop_rcvmanage (hook_p hook, item_p item)

Variables
static const struct ng_parse_struct_field	ng_sscop_param_type_info []
static const struct ng_parse_type	ng_sscop_param_type
static const struct ng_parse_struct_field	ng_sscop_setparam_type_info []
static const struct ng_parse_type	ng_sscop_setparam_type
static const struct ng_parse_struct_field	ng_sscop_setparam_resp_type_info []
static const struct ng_parse_type	ng_sscop_setparam_resp_type
static const struct ng_cmdlist	ng_sscop_cmdlist []
static ng_constructor_t	ng_sscop_constructor
static ng_shutdown_t	ng_sscop_shutdown
static ng_rcvmsg_t	ng_sscop_rcvmsg
static ng_newhook_t	ng_sscop_newhook
static ng_disconnect_t	ng_sscop_disconnect
static ng_rcvdata_t	ng_sscop_rcvlower
static ng_rcvdata_t	ng_sscop_rcvupper
static ng_rcvdata_t	ng_sscop_rcvmanage
static struct ng_type	ng_sscop_typestruct

Macro Definition Documentation

DDD

#define DDD   printf("%s: %d\n", __func__, __LINE__)

Definition at line 58 of file ng_sscop.c.

VERBOSE

#define VERBOSE	(		P,
			M,
			F
	)

Definition at line 67 of file ng_sscop.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

flow_lower()

static int flow_lower ( node_p  node, struct ng_mesg *  msg  )

static

Definition at line 349 of file ng_sscop.c.

References ng_mesg::ng_msghdr::arglen, ng_mesg::ng_msghdr::cmd, ng_mesg::header, NG_NODE_PRIVATE, NGM_HIGH_WATER_PASSED, NGM_LOW_WATER_PASSED, and priv::sscop.

Referenced by ng_sscop_rcvmsg().

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flow_upper()

static int flow_upper ( node_p  node, struct ng_mesg *  msg  )

static

Definition at line 294 of file ng_sscop.c.

References ng_mesg::ng_msghdr::arglen, ng_mesg::ng_msghdr::cmd, ngm_queue_state::current, ng_mesg::data, priv::flow, ng_mesg::header, ngm_queue_state::high_watermark, ngm_queue_state::max_queuelen_packets, NG_NODE_PRIVATE, NGM_HIGH_WATER_PASSED, NGM_LOW_WATER_PASSED, NGM_SYNC_QUEUE_STATE, priv::sscop, and VERBOSE.

Referenced by ng_sscop_rcvmsg().

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MALLOC_DEFINE()

MALLOC_DEFINE	(	M_NG_SSCOP	,
		"netgraph_sscop"	,
		"netgraph sscop node"
	)

MODULE_DEPEND()

MODULE_DEPEND	(	ng_sscop	,
		ngatmbase	,
		1	,
		1	,
		1
	)

NETGRAPH_INIT()

NETGRAPH_INIT	(	sscop	,
		&	ng_sscop_typestruct
	)

ng_sscop_constructor()

static int ng_sscop_constructor ( node_p  node )

static

Definition at line 245 of file ng_sscop.c.

References NG_NODE_FORCE_WRITER, NG_NODE_SET_PRIVATE, and priv::sscop.

ng_sscop_disconnect()

static int ng_sscop_disconnect ( hook_p  hook )

static

Definition at line 623 of file ng_sscop.c.

References priv::enabled, priv::lower, priv::manage, NG_HOOK_NODE, NG_NODE_IS_VALID, NG_NODE_NUMHOOKS, NG_NODE_PRIVATE, ng_rmnode_self(), priv::sscop, and priv::upper.

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ng_sscop_mod_event()

static int ng_sscop_mod_event ( module_t  mod, int  event, void *  data  )

static

Definition at line 856 of file ng_sscop.c.

References event.

ng_sscop_newhook()

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

static

Definition at line 605 of file ng_sscop.c.

References priv::lower, priv::manage, name, NG_HOOK_SET_RCVDATA, NG_NODE_PRIVATE, ng_sscop_rcvmanage, ng_sscop_rcvupper, and priv::upper.

ng_sscop_rcvlower()

static int ng_sscop_rcvlower ( hook_p  hook, item_p  item  )

static

Definition at line 658 of file ng_sscop.c.

References priv::enabled, stats::in_dropped, stats::in_packets, NG_FREE_ITEM, NG_HOOK_NODE, NG_NODE_PRIVATE, NGI_GET_M, priv::sscop, priv::stats, and priv::upper.

ng_sscop_rcvmanage()

static int ng_sscop_rcvmanage ( hook_p  hook, item_p  item  )

static

Definition at line 776 of file ng_sscop.c.

References priv::enabled, NG_FREE_ITEM, NG_HOOK_NODE, NG_NODE_PRIVATE, NGI_GET_M, sscop_marg::sig, and priv::sscop.

ng_sscop_rcvmsg()

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

static

Definition at line 440 of file ng_sscop.c.

References ng_mesg::ng_msghdr::arglen, ng_mesg::ng_msghdr::cmd, ng_mesg::data, priv::enabled, ng_sscop_setparam_resp::error, priv::flow, flow_lower(), flow_upper(), ng_mesg::header, priv::lower, ng_sscop_setparam::mask, ng_sscop_setparam_resp::mask, NG_FREE_MSG, NG_MKRESPONSE, NG_NODE_PRIVATE, NG_RESPOND_MSG, NG_TEXTRESPONSE, NGI_GET_MSG, NGM_FLOW_COOKIE, NGM_GENERIC_COOKIE, NGM_SSCOP_COOKIE, NGM_SSCOP_DISABLE, NGM_SSCOP_ENABLE, NGM_SSCOP_GETDEBUG, NGM_SSCOP_GETPARAM, NGM_SSCOP_GETSTATE, NGM_SSCOP_SETDEBUG, NGM_SSCOP_SETPARAM, NGM_TEXT_STATUS, ng_sscop_setparam::param, priv::sscop, priv::stats, text_status(), ng_mesg::ng_msghdr::typecookie, and priv::upper.

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ng_sscop_rcvupper()

static int ng_sscop_rcvupper ( hook_p  hook, item_p  item  )

static

Definition at line 702 of file ng_sscop.c.

References sscop_arg::arg, priv::enabled, NG_FREE_ITEM, NG_HOOK_NODE, NG_NODE_PRIVATE, NGI_GET_M, sscop_arg::sig, and priv::sscop.

ng_sscop_shutdown()

static int ng_sscop_shutdown ( node_p  node )

static

Definition at line 264 of file ng_sscop.c.

References NG_NODE_PRIVATE, NG_NODE_SET_PRIVATE, NG_NODE_UNREF, and priv::sscop.

sscop_send_lower() [1/2]

static void sscop_send_lower ( struct sscop *  , void *  , struct SSCOP_MBUF_T *    )

static

Referenced by sscop_verbose().

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sscop_send_lower() [2/2]

static void sscop_send_lower ( struct sscop *  sscop, void *  p, struct mbuf *  m  )

static

Definition at line 685 of file ng_sscop.c.

References priv::lower, NG_NODE_PRIVATE, NG_SEND_DATA_ONLY, stats::out_dropped, stats::out_packets, and priv::stats.

sscop_send_manage()

static void sscop_send_manage ( struct sscop *  sscop, void *  p, enum sscop_maasig  sig, struct SSCOP_MBUF_T *  m, u_int  err, u_int  cnt  )

static

Definition at line 799 of file ng_sscop.c.

References sscop_merr::cnt, sscop_merr::err, stats::errors, stats::maa_dropped, stats::maa_signals, priv::manage, NG_NODE_PRIVATE, NG_SEND_DATA_ONLY, sscop_marg::sig, sscop_merr::sig, and priv::stats.

Referenced by sscop_verbose().

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sscop_send_upper()

static void sscop_send_upper ( struct sscop *  sscop, void *  p, enum sscop_aasig  sig, struct SSCOP_MBUF_T *  m, u_int  arg  )

static

Definition at line 735 of file ng_sscop.c.

References stats::aa_dropped, stats::aa_signals, sscop_arg::arg, stats::data_delivered, priv::flow, NG_NODE_PRIVATE, NG_SEND_DATA_ONLY, sscop_arg::sig, priv::sscop, priv::stats, and priv::upper.

Referenced by sscop_verbose().

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sscop_verbose()

static void sscop_verbose ( struct sscop *  sscop, void *  arg, const char *  fmt,   ...  )

static

Definition at line 218 of file ng_sscop.c.

References sscop_send_lower(), sscop_send_manage(), sscop_send_upper(), and sscop_verbose().

Referenced by sscop_verbose().

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text_status()

static int text_status ( node_p  node, struct priv *  priv, char *  arg, u_int  len  )

static

Definition at line 375 of file ng_sscop.c.

References stats::aa_dropped, stats::aa_signals, stats::data_delivered, priv::enabled, stats::errors, stats::in_dropped, stats::in_packets, priv::lower, stats::maa_dropped, stats::maa_signals, priv::manage, NG_HOOK_NAME, NG_HOOK_NODE, NG_HOOK_PEER, NG_NODE_NAME, stats::out_dropped, stats::out_packets, priv::sscop, priv::stats, and priv::upper.

Referenced by ng_sscop_rcvmsg().

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Variable Documentation

ng_sscop_cmdlist

const struct ng_cmdlist ng_sscop_cmdlist[]

static

Definition at line 134 of file ng_sscop.c.

ng_sscop_constructor

ng_constructor_t ng_sscop_constructor

static

Definition at line 187 of file ng_sscop.c.

ng_sscop_disconnect

ng_disconnect_t ng_sscop_disconnect

static

Definition at line 191 of file ng_sscop.c.

ng_sscop_newhook

ng_newhook_t ng_sscop_newhook

static

Definition at line 190 of file ng_sscop.c.

ng_sscop_param_type

const struct ng_parse_type ng_sscop_param_type

static

Initial value:

= {
        &ng_parse_struct_type,
        ng_sscop_param_type_info
}

Definition at line 107 of file ng_sscop.c.

ng_sscop_param_type_info

const struct ng_parse_struct_field ng_sscop_param_type_info[]

static

Initial value:

= 
    NG_SSCOP_PARAM_INFO

Definition at line 104 of file ng_sscop.c.

ng_sscop_rcvlower

ng_rcvdata_t ng_sscop_rcvlower

static

Definition at line 192 of file ng_sscop.c.

ng_sscop_rcvmanage

ng_rcvdata_t ng_sscop_rcvmanage

static

Definition at line 194 of file ng_sscop.c.

Referenced by ng_sscop_newhook().

ng_sscop_rcvmsg

ng_rcvmsg_t ng_sscop_rcvmsg

static

Definition at line 189 of file ng_sscop.c.

ng_sscop_rcvupper

ng_rcvdata_t ng_sscop_rcvupper

static

Definition at line 193 of file ng_sscop.c.

Referenced by ng_sscop_newhook().

ng_sscop_setparam_resp_type

const struct ng_parse_type ng_sscop_setparam_resp_type

static

Initial value:

= {
        &ng_parse_struct_type,
        ng_sscop_setparam_resp_type_info,
}

Definition at line 129 of file ng_sscop.c.

ng_sscop_setparam_resp_type_info

const struct ng_parse_struct_field ng_sscop_setparam_resp_type_info[]

static

Initial value:

=
    NG_SSCOP_SETPARAM_RESP_INFO

Definition at line 126 of file ng_sscop.c.

ng_sscop_setparam_type

const struct ng_parse_type ng_sscop_setparam_type

static

Initial value:

= {
        &ng_parse_struct_type,
        ng_sscop_setparam_type_info,
}

Definition at line 118 of file ng_sscop.c.

ng_sscop_setparam_type_info

const struct ng_parse_struct_field ng_sscop_setparam_type_info[]

static

Initial value:

=
    NG_SSCOP_SETPARAM_INFO

Definition at line 115 of file ng_sscop.c.

ng_sscop_shutdown

ng_shutdown_t ng_sscop_shutdown

static

Definition at line 188 of file ng_sscop.c.

ng_sscop_typestruct

struct ng_type ng_sscop_typestruct

static

Initial value:

= {
        .version =      NG_ABI_VERSION,
        .name =         NG_SSCOP_NODE_TYPE,
        .mod_event =    ng_sscop_mod_event,
        .constructor =  ng_sscop_constructor,
        .rcvmsg =       ng_sscop_rcvmsg,
        .shutdown =     ng_sscop_shutdown,
        .newhook =      ng_sscop_newhook,
        .rcvdata =      ng_sscop_rcvlower,
        .disconnect =   ng_sscop_disconnect,
        .cmdlist =      ng_sscop_cmdlist,
}

Definition at line 198 of file ng_sscop.c.