#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/mbuf.h>
#include <sys/malloc.h>
#include <sys/ctype.h>
#include <sys/errno.h>
#include <sys/queue.h>
#include <sys/syslog.h>
#include <net/ethernet.h>
#include <netgraph/ng_message.h>
#include <netgraph/ng_parse.h>
#include <netgraph/ng_etf.h>
#include <netgraph/netgraph.h>

Include dependency graph for ng_etf.c:

Data Structures
struct	ETF_hookinfo

struct	filter

struct	ETF

Macros
#define	M_NETGRAPH_ETF M_NETGRAPH

#define	HASHSIZE 16 /* Dont change this without changing HASH() */

#define	HASH(et) ((((et)>>12)+((et)>>8)+((et)>>4)+(et)) & 0x0f)

Typedefs
typedef struct ETF *	etf_p

Functions
	NETGRAPH_INIT (etf, &typestruct)

	LIST_HEAD (filterhead, filter)

static struct filter *	ng_etf_findentry (etf_p etfp, u_int16_t ethertype)

static int	ng_etf_constructor (node_p node)

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

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

static int	ng_etf_rcvdata (hook_p hook, item_p item)

static int	ng_etf_shutdown (node_p node)

static int	ng_etf_disconnect (hook_p hook)

Variables
static ng_constructor_t	ng_etf_constructor

static ng_rcvmsg_t	ng_etf_rcvmsg

static ng_shutdown_t	ng_etf_shutdown

static ng_newhook_t	ng_etf_newhook

static ng_rcvdata_t	ng_etf_rcvdata

static ng_disconnect_t	ng_etf_disconnect

static const struct ng_parse_struct_field	ng_etf_stat_type_fields [] = NG_ETF_STATS_TYPE_INFO

static const struct ng_parse_type	ng_etf_stat_type

static const struct ng_parse_struct_field	ng_etf_filter_type_fields [] = NG_ETF_FILTER_TYPE_INFO

static const struct ng_parse_type	ng_etf_filter_type

static const struct ng_cmdlist	ng_etf_cmdlist []

static struct ng_type	typestruct

Macro Definition Documentation

◆ HASH

#define HASH ( et ) ((((et)>>12)+((et)>>8)+((et)>>4)+(et)) & 0x0f)

Definition at line 142 of file ng_etf.c.

◆ HASHSIZE

#define HASHSIZE 16 /* Dont change this without changing HASH() */

Definition at line 141 of file ng_etf.c.

◆ M_NETGRAPH_ETF

#define M_NETGRAPH_ETF M_NETGRAPH

Definition at line 60 of file ng_etf.c.

Typedef Documentation

◆ etf_p

typedef struct ETF* etf_p

Definition at line 155 of file ng_etf.c.

Function Documentation

◆ LIST_HEAD()

LIST_HEAD	(	filterhead	,
		filter
	)

◆ NETGRAPH_INIT()

NETGRAPH_INIT	(	etf	,
		&	typestruct
	)

◆ ng_etf_constructor()

static int ng_etf_constructor ( node_p node )

static

Definition at line 177 of file ng_etf.c.

References HASHSIZE, M_NETGRAPH_ETF, NG_NODE_SET_PRIVATE, and privdata::node.

◆ ng_etf_disconnect()

static int ng_etf_disconnect ( hook_p hook )

static

Definition at line 450 of file ng_etf.c.

References ETF::downstream_hook, HASHSIZE, ETF::hashtable, ETF_hookinfo::hook, M_NETGRAPH_ETF, NG_HOOK_NODE, NG_HOOK_PRIVATE, NG_HOOK_SET_PRIVATE, NG_NODE_IS_VALID, NG_NODE_NUMHOOKS, NG_NODE_PRIVATE, ng_rmnode_self(), and ETF::nomatch_hook.

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◆ ng_etf_findentry()

static struct filter * ng_etf_findentry	(	etf_p	etfp,
		u_int16_t	ethertype
	)

static

Definition at line 158 of file ng_etf.c.

References HASH, and ETF::hashtable.

Referenced by ng_etf_rcvdata(), and ng_etf_rcvmsg().

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◆ ng_etf_newhook()

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

static

Definition at line 199 of file ng_etf.c.

References ETF::downstream_hook, ETF_hookinfo::hook, M_NETGRAPH_ETF, name, NG_ETF_HOOK_DOWNSTREAM, NG_ETF_HOOK_NOMATCH, NG_HOOK_SET_PRIVATE, NG_NODE_PRIVATE, ETF::nomatch_hook, ETF::packets_in, and ETF::packets_out.

◆ ng_etf_rcvdata()

static int ng_etf_rcvdata	(	hook_p	hook,
		item_p	item
	)

static

Definition at line 364 of file ng_etf.c.

References ETF::downstream_hook, ETF_hookinfo::hook, ng_etf_findentry(), NG_FREE_ITEM, NG_FREE_M, NG_FWD_NEW_DATA, NG_HOOK_NODE, NG_HOOK_PRIVATE, NG_NODE_PRIVATE, NGI_GET_M, ETF::nomatch_hook, ETF::packets_in, and ETF::packets_out.

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◆ ng_etf_rcvmsg()

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

static

Definition at line 247 of file ng_etf.c.

References ng_mesg::ng_msghdr::arglen, ng_mesg::ng_msghdr::cmd, ng_mesg::data, ETF::downstream_hook, ng_etffilter::ethertype, ETF::flags, HASH, ETF::hashtable, ng_mesg::header, ETF_hookinfo::hook, M_NETGRAPH_ETF, ng_etffilter::matchhook, ng_etf_findentry(), ng_findhook(), NG_FREE_MSG, NG_MKRESPONSE, NG_NODE_PRIVATE, NG_RESPOND_MSG, NGI_GET_MSG, NGM_ETF_COOKIE, NGM_ETF_GET_STATUS, NGM_ETF_SET_FILTER, NGM_ETF_SET_FLAG, ETF::packets_in, ETF::packets_out, and ng_mesg::ng_msghdr::typecookie.

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◆ ng_etf_shutdown()

static int ng_etf_shutdown ( node_p node )

static

Definition at line 434 of file ng_etf.c.

References M_NETGRAPH_ETF, NG_NODE_PRIVATE, NG_NODE_SET_PRIVATE, NG_NODE_UNREF, and privdata::node.

Variable Documentation

◆ ng_etf_cmdlist

const struct ng_cmdlist ng_etf_cmdlist[]

static

Initial value:

= {
        {
          NGM_ETF_COOKIE,
          NGM_ETF_GET_STATUS,
          "getstatus",
          NULL,
          &ng_etf_stat_type,
        },
        {
          NGM_ETF_COOKIE,
          NGM_ETF_SET_FLAG,
          "setflag",
          &ng_parse_int32_type,
          NULL
        },
        {
          NGM_ETF_COOKIE,
          NGM_ETF_SET_FILTER,
          "setfilter",
          &ng_etf_filter_type,
          NULL
        },
        { 0 }
}

Definition at line 91 of file ng_etf.c.

◆ ng_etf_constructor

ng_constructor_t ng_etf_constructor

static

Definition at line 68 of file ng_etf.c.

◆ ng_etf_disconnect

ng_disconnect_t ng_etf_disconnect

static

Definition at line 73 of file ng_etf.c.

◆ ng_etf_filter_type

const struct ng_parse_type ng_etf_filter_type

static

Initial value:

= {
        &ng_parse_struct_type,
        &ng_etf_filter_type_fields
}

Definition at line 85 of file ng_etf.c.

◆ ng_etf_filter_type_fields

const struct ng_parse_struct_field ng_etf_filter_type_fields[] = NG_ETF_FILTER_TYPE_INFO

static

Definition at line 83 of file ng_etf.c.

◆ ng_etf_newhook

ng_newhook_t ng_etf_newhook

static

Definition at line 71 of file ng_etf.c.

◆ ng_etf_rcvdata

ng_rcvdata_t ng_etf_rcvdata

static

Definition at line 72 of file ng_etf.c.

◆ ng_etf_rcvmsg

ng_rcvmsg_t ng_etf_rcvmsg

static

Definition at line 69 of file ng_etf.c.

◆ ng_etf_shutdown

ng_shutdown_t ng_etf_shutdown

static

Definition at line 70 of file ng_etf.c.

◆ ng_etf_stat_type

const struct ng_parse_type ng_etf_stat_type

static

Initial value:

= {
        &ng_parse_struct_type,
        &ng_etf_stat_type_fields
}

Definition at line 78 of file ng_etf.c.

◆ ng_etf_stat_type_fields

const struct ng_parse_struct_field ng_etf_stat_type_fields[] = NG_ETF_STATS_TYPE_INFO

static

Definition at line 76 of file ng_etf.c.

◆ typestruct

struct ng_type typestruct

static

Initial value:

= {
        .version =      NG_ABI_VERSION,
        .name =         NG_ETF_NODE_TYPE,
        .constructor =  ng_etf_constructor,
        .rcvmsg =       ng_etf_rcvmsg,
        .shutdown =     ng_etf_shutdown,
        .newhook =      ng_etf_newhook,
        .rcvdata =      ng_etf_rcvdata,
        .disconnect =   ng_etf_disconnect,
        .cmdlist =      ng_etf_cmdlist,
}

Definition at line 117 of file ng_etf.c.

Data Structures

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

◆ HASH

◆ HASHSIZE

◆ M_NETGRAPH_ETF

Typedef Documentation

◆ etf_p

Function Documentation

◆ LIST_HEAD()

◆ NETGRAPH_INIT()

◆ ng_etf_constructor()

◆ ng_etf_disconnect()

◆ ng_etf_findentry()

◆ ng_etf_newhook()

◆ ng_etf_rcvdata()

◆ ng_etf_rcvmsg()

◆ ng_etf_shutdown()

Variable Documentation

◆ ng_etf_cmdlist

◆ ng_etf_constructor

◆ ng_etf_disconnect

◆ ng_etf_filter_type

◆ ng_etf_filter_type_fields

◆ ng_etf_newhook

◆ ng_etf_rcvdata

◆ ng_etf_rcvmsg

◆ ng_etf_shutdown

◆ ng_etf_stat_type

◆ ng_etf_stat_type_fields

◆ typestruct