ng_tag.c File Reference

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/stddef.h>
#include <netgraph/ng_message.h>
#include <netgraph/netgraph.h>
#include <netgraph/ng_parse.h>
#include <netgraph/ng_tag.h>

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Data Structures
struct	ng_tag_hookinfo

Macros
#define	M_NETGRAPH_TAG   M_NETGRAPH
#define	ERROUT(x)   do { error = (x); goto done; } while (0)

Typedefs
typedef struct ng_tag_hookinfo *	hinfo_p

Functions
static int	ng_tag_setdata_in (hook_p hook, const struct ng_tag_hookin *hp)
static int	ng_tag_setdata_out (hook_p hook, const struct ng_tag_hookout *hp)
static int	ng_tag_hookinary_getLength (const struct ng_parse_type *type, const u_char *start, const u_char *buf)
static int	ng_tag_hookoutary_getLength (const struct ng_parse_type *type, const u_char *start, const u_char *buf)
	NETGRAPH_INIT (tag, &typestruct)
static int	ng_tag_constructor (node_p node)
static int	ng_tag_newhook (node_p node, hook_p hook, const char *name)
static int	ng_tag_rcvmsg (node_p node, item_p item, hook_p lasthook)
static int	ng_tag_rcvdata (hook_p hook, item_p item)
static int	ng_tag_shutdown (node_p node)
static int	ng_tag_disconnect (hook_p hook)

Variables
static ng_constructor_t	ng_tag_constructor
static ng_rcvmsg_t	ng_tag_rcvmsg
static ng_shutdown_t	ng_tag_shutdown
static ng_newhook_t	ng_tag_newhook
static ng_rcvdata_t	ng_tag_rcvdata
static ng_disconnect_t	ng_tag_disconnect
static const struct ng_parse_type	ng_tag_hookinary_type
static const struct ng_parse_type	ng_tag_hookoutary_type
static const struct ng_parse_struct_field	ng_tag_hookin_type_fields [] = NG_TAG_HOOKIN_TYPE_INFO(&ng_tag_hookinary_type)
static const struct ng_parse_type	ng_tag_hookin_type
static const struct ng_parse_struct_field	ng_tag_hookout_type_fields [] = NG_TAG_HOOKOUT_TYPE_INFO(&ng_tag_hookoutary_type)
static const struct ng_parse_type	ng_tag_hookout_type
static const struct ng_cmdlist	ng_tag_cmdlist []
static struct ng_type	typestruct
static const struct ng_tag_hookin	ng_tag_default_in
static const struct ng_tag_hookout	ng_tag_default_out

Macro Definition Documentation

ERROUT

#define ERROUT

(

x

)

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

Definition at line 79 of file ng_tag.c.

M_NETGRAPH_TAG

#define M_NETGRAPH_TAG   M_NETGRAPH

Definition at line 76 of file ng_tag.c.

Typedef Documentation

hinfo_p

typedef struct ng_tag_hookinfo* hinfo_p

Definition at line 114 of file ng_tag.c.

Function Documentation

NETGRAPH_INIT()

NETGRAPH_INIT	(	tag	,
		&	typestruct
	)

ng_tag_constructor()

static int ng_tag_constructor ( node_p  node )

static

Definition at line 293 of file ng_tag.c.

ng_tag_disconnect()

static int ng_tag_disconnect ( hook_p  hook )

static

Definition at line 608 of file ng_tag.c.

References M_NETGRAPH_TAG, NG_HOOK_NODE, NG_HOOK_PRIVATE, NG_HOOK_SET_PRIVATE, NG_NODE_IS_VALID, NG_NODE_NUMHOOKS, and ng_rmnode_self().

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ng_tag_hookinary_getLength()

static int ng_tag_hookinary_getLength ( const struct ng_parse_type *  type, const u_char *  start, const u_char *  buf  )

static

Definition at line 130 of file ng_tag.c.

References ng_tag_hookin::tag_data, and ng_tag_hookin::tag_len.

ng_tag_hookoutary_getLength()

static int ng_tag_hookoutary_getLength ( const struct ng_parse_type *  type, const u_char *  start, const u_char *  buf  )

static

Definition at line 141 of file ng_tag.c.

References ng_tag_hookout::tag_data, and ng_tag_hookout::tag_len.

ng_tag_newhook()

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

static

Definition at line 302 of file ng_tag.c.

References M_NETGRAPH_TAG, name, NG_HOOK_SET_PRIVATE, ng_tag_default_in, ng_tag_default_out, ng_tag_setdata_in(), and ng_tag_setdata_out().

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ng_tag_rcvdata()

static int ng_tag_rcvdata ( hook_p  hook, item_p  item  )

static

Definition at line 503 of file ng_tag.c.

References NG_FREE_ITEM, NG_FWD_ITEM_HOOK, NG_HOOK_PRIVATE, NGI_M, ng_bpf_hookstat::recvFrames, ng_bpf_hookstat::recvMatchFrames, ng_bpf_hookstat::recvMatchOctets, ng_bpf_hookstat::recvOctets, ng_bpf_hookinfo::stats, type, ng_bpf_hookstat::xmitFrames, and ng_bpf_hookstat::xmitOctets.

ng_tag_rcvmsg()

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

static

Definition at line 349 of file ng_tag.c.

References ng_mesg::ng_msghdr::arglen, ng_mesg::ng_msghdr::cmd, ng_mesg::data, ERROUT, ng_mesg::header, ng_findhook(), NG_FREE_MSG, NG_HOOK_PRIVATE, NG_MKRESPONSE, NG_RESPOND_MSG, NG_TAG_HOOKIN_SIZE, NG_TAG_HOOKOUT_SIZE, ng_tag_setdata_in(), ng_tag_setdata_out(), NGI_GET_MSG, NGM_TAG_COOKIE, NGM_TAG_GET_HOOKIN, NGM_TAG_GET_HOOKOUT, NGM_TAG_SET_HOOKIN, NGM_TAG_SET_HOOKOUT, ng_tag_hookin::tag_len, ng_tag_hookout::tag_len, ng_tag_hookin::thisHook, ng_tag_hookout::thisHook, and ng_mesg::ng_msghdr::typecookie.

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ng_tag_setdata_in()

static int ng_tag_setdata_in ( hook_p  hook, const struct ng_tag_hookin *  hp  )

static

Definition at line 644 of file ng_tag.c.

References M_NETGRAPH_TAG, ng_findhook(), NG_HOOK_NODE, NG_HOOK_PRIVATE, NG_TAG_HOOKIN_SIZE, and ng_tag_hookin::tag_len.

Referenced by ng_tag_newhook(), and ng_tag_rcvmsg().

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ng_tag_setdata_out()

static int ng_tag_setdata_out ( hook_p  hook, const struct ng_tag_hookout *  hp  )

static

Definition at line 694 of file ng_tag.c.

References M_NETGRAPH_TAG, NG_HOOK_PRIVATE, NG_TAG_HOOKOUT_SIZE, and ng_tag_hookout::tag_len.

Referenced by ng_tag_newhook(), and ng_tag_rcvmsg().

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ng_tag_shutdown()

static int ng_tag_shutdown ( node_p  node )

static

Definition at line 596 of file ng_tag.c.

References NG_NODE_UNREF.

Variable Documentation

ng_tag_cmdlist

const struct ng_cmdlist ng_tag_cmdlist[]

static

Definition at line 188 of file ng_tag.c.

ng_tag_constructor

ng_constructor_t ng_tag_constructor

static

Definition at line 117 of file ng_tag.c.

ng_tag_default_in

const struct ng_tag_hookin ng_tag_default_in

static

Initial value:

= {
        { '\0' },               
        { '\0' },
        { '\0' },
        0,
        0,
        0,
        0
}

Definition at line 269 of file ng_tag.c.

Referenced by ng_tag_newhook().

ng_tag_default_out

const struct ng_tag_hookout ng_tag_default_out

static

Initial value:

= {
        { '\0' },               
        0,
        0,
        0
}

Definition at line 280 of file ng_tag.c.

Referenced by ng_tag_newhook().

ng_tag_disconnect

ng_disconnect_t ng_tag_disconnect

static

Definition at line 122 of file ng_tag.c.

ng_tag_hookin_type

const struct ng_parse_type ng_tag_hookin_type

static

Initial value:

= {
        &ng_parse_struct_type,
        &ng_tag_hookin_type_fields
}

Definition at line 164 of file ng_tag.c.

ng_tag_hookin_type_fields

const struct ng_parse_struct_field ng_tag_hookin_type_fields[] = NG_TAG_HOOKIN_TYPE_INFO(&ng_tag_hookinary_type)

static

Definition at line 162 of file ng_tag.c.

ng_tag_hookinary_type

const struct ng_parse_type ng_tag_hookinary_type

static

Initial value:

= {
        &ng_parse_bytearray_type,
        &ng_tag_hookinary_getLength
}

Definition at line 151 of file ng_tag.c.

ng_tag_hookout_type

const struct ng_parse_type ng_tag_hookout_type

static

Initial value:

= {
        &ng_parse_struct_type,
        &ng_tag_hookout_type_fields
}

Definition at line 172 of file ng_tag.c.

ng_tag_hookout_type_fields

const struct ng_parse_struct_field ng_tag_hookout_type_fields[] = NG_TAG_HOOKOUT_TYPE_INFO(&ng_tag_hookoutary_type)

static

Definition at line 170 of file ng_tag.c.

ng_tag_hookoutary_type

const struct ng_parse_type ng_tag_hookoutary_type

static

Initial value:

= {
        &ng_parse_bytearray_type,
        &ng_tag_hookoutary_getLength
}

Definition at line 156 of file ng_tag.c.

ng_tag_newhook

ng_newhook_t ng_tag_newhook

static

Definition at line 120 of file ng_tag.c.

ng_tag_rcvdata

ng_rcvdata_t ng_tag_rcvdata

static

Definition at line 121 of file ng_tag.c.

ng_tag_rcvmsg

ng_rcvmsg_t ng_tag_rcvmsg

static

Definition at line 118 of file ng_tag.c.

ng_tag_shutdown

ng_shutdown_t ng_tag_shutdown

static

Definition at line 119 of file ng_tag.c.

typestruct

struct ng_type typestruct

static

Initial value:

= {
        .version =      NG_ABI_VERSION,
        .name =         NG_TAG_NODE_TYPE,
        .constructor =  ng_tag_constructor,
        .rcvmsg =       ng_tag_rcvmsg,
        .shutdown =     ng_tag_shutdown,
        .newhook =      ng_tag_newhook,
        .rcvdata =      ng_tag_rcvdata,
        .disconnect =   ng_tag_disconnect,
        .cmdlist =      ng_tag_cmdlist,
}

Definition at line 244 of file ng_tag.c.