ng_vlan.c File Reference

#include <sys/param.h>
#include <sys/errno.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/queue.h>
#include <sys/socket.h>
#include <sys/systm.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_vlan_var.h>
#include <netgraph/ng_message.h>
#include <netgraph/ng_parse.h>
#include <netgraph/ng_vlan.h>
#include <netgraph/netgraph.h>

Include dependency graph for ng_vlan.c:

Go to the source code of this file.

Data Structures
struct	ng_vlan_private

Macros
#define	ETHER_VLAN_HDR_LEN   (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN)
#define	VLAN_TAG_MASK   0xFFFF
#define	HOOK_VLAN_TAG_SET_MASK   ((uintptr_t)((~0) & ~(VLAN_TAG_MASK)))
#define	IS_HOOK_VLAN_SET(hdata)    ((((uintptr_t)hdata) & HOOK_VLAN_TAG_SET_MASK) == HOOK_VLAN_TAG_SET_MASK)

Typedefs
typedef struct ng_vlan_private *	priv_p

Functions
static int	ng_vlan_getTableLength (const struct ng_parse_type *type, const u_char *start, const u_char *buf)
	NETGRAPH_INIT (vlan, &ng_vlan_typestruct)
static __inline int	m_chk (struct mbuf **mp, int len)
static int	ng_vlan_constructor (node_p node)
static int	ng_vlan_newhook (node_p node, hook_p hook, const char *name)
static int	ng_vlan_rcvmsg (node_p node, item_p item, hook_p lasthook)
static int	ng_vlan_rcvdata (hook_p hook, item_p item)
static int	ng_vlan_shutdown (node_p node)
static int	ng_vlan_disconnect (hook_p hook)

Variables
static ng_constructor_t	ng_vlan_constructor
static ng_rcvmsg_t	ng_vlan_rcvmsg
static ng_shutdown_t	ng_vlan_shutdown
static ng_newhook_t	ng_vlan_newhook
static ng_rcvdata_t	ng_vlan_rcvdata
static ng_disconnect_t	ng_vlan_disconnect
static const struct ng_parse_struct_field	ng_vlan_filter_fields []
static const struct ng_parse_type	ng_vlan_filter_type
static const struct ng_parse_array_info	ng_vlan_table_array_info
static const struct ng_parse_type	ng_vlan_table_array_type
static const struct ng_parse_struct_field	ng_vlan_table_fields []
static const struct ng_parse_type	ng_vlan_table_type
static const struct ng_cmdlist	ng_vlan_cmdlist []
static struct ng_type	ng_vlan_typestruct

Macro Definition Documentation

ETHER_VLAN_HDR_LEN

#define ETHER_VLAN_HDR_LEN   (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN)

Definition at line 62 of file ng_vlan.c.

HOOK_VLAN_TAG_SET_MASK

#define HOOK_VLAN_TAG_SET_MASK   ((uintptr_t)((~0) & ~(VLAN_TAG_MASK)))

Definition at line 64 of file ng_vlan.c.

IS_HOOK_VLAN_SET

#define IS_HOOK_VLAN_SET

(

hdata

)

((((uintptr_t)hdata) & HOOK_VLAN_TAG_SET_MASK) == HOOK_VLAN_TAG_SET_MASK)

Definition at line 65 of file ng_vlan.c.

VLAN_TAG_MASK

#define VLAN_TAG_MASK   0xFFFF

Definition at line 63 of file ng_vlan.c.

Typedef Documentation

priv_p

typedef struct ng_vlan_private* priv_p

Definition at line 60 of file ng_vlan.c.

Function Documentation

m_chk()

static __inline int m_chk ( struct mbuf **  mp, int  len  )

static

Definition at line 202 of file ng_vlan.c.

Referenced by ng_vlan_rcvdata().

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NETGRAPH_INIT()

NETGRAPH_INIT	(	vlan	,
		&	ng_vlan_typestruct
	)

ng_vlan_constructor()

static int ng_vlan_constructor ( node_p  node )

static

Definition at line 221 of file ng_vlan.c.

References NG_NODE_SET_PRIVATE, and VLAN_ENCAP_FROM_FILTER.

ng_vlan_disconnect()

static int ng_vlan_disconnect ( hook_p  hook )

static

Definition at line 689 of file ng_vlan.c.

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

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ng_vlan_getTableLength()

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

static

Definition at line 84 of file ng_vlan.c.

References ng_vlan_table::n.

ng_vlan_newhook()

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

static

Definition at line 234 of file ng_vlan.c.

References name, NG_HOOK_SET_PRIVATE, NG_NODE_PRIVATE, NG_VLAN_HOOK_DOWNSTREAM, and NG_VLAN_HOOK_NOMATCH.

ng_vlan_rcvdata()

static int ng_vlan_rcvdata ( hook_p  hook, item_p  item  )

static

Definition at line 514 of file ng_vlan.c.

References ETHER_VLAN_HDR_LEN, IS_HOOK_VLAN_SET, m_chk(), NG_FREE_ITEM, NG_FWD_NEW_DATA, NG_HOOK_NODE, NG_HOOK_PRIVATE, NG_NODE_PRIVATE, NGI_GET_M, VLAN_ENCAP_FROM_FILTER, VLAN_ENCAP_FROM_NOMATCH, and VLAN_TAG_MASK.

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ng_vlan_rcvmsg()

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

static

Definition at line 253 of file ng_vlan.c.

References ng_mesg::ng_msghdr::arglen, ng_vlan_filter::cfi, ng_mesg::ng_msghdr::cmd, ng_mesg::data, ng_vlan_table::filter, ng_mesg::header, ng_vlan_filter::hook_name, HOOK_VLAN_TAG_SET_MASK, IS_HOOK_VLAN_SET, ng_vlan_table::n, NG_COPYMESSAGE, ng_findhook(), NG_FREE_MSG, NG_HOOK_IS_VALID, NG_HOOK_NAME, NG_HOOK_NOT_VALID, NG_HOOK_PRIVATE, NG_HOOK_SET_PRIVATE, NG_HOOKSIZ, NG_MKRESPONSE, NG_NODE_PRIVATE, NG_RESPOND_MSG, NG_SEND_MSG_HOOK, NG_VLAN_USE_OLD_VLAN_NAME, NGI_GET_MSG, NGM_FLOW_COOKIE, NGM_VLAN_ADD_FILTER, NGM_VLAN_COOKIE, NGM_VLAN_DEL_FILTER, NGM_VLAN_DEL_VID_FLT, NGM_VLAN_GET_DECAP, NGM_VLAN_GET_ENCAP, NGM_VLAN_GET_ENCAP_PROTO, NGM_VLAN_GET_TABLE, NGM_VLAN_SET_DECAP, NGM_VLAN_SET_ENCAP, NGM_VLAN_SET_ENCAP_PROTO, ng_vlan_filter::pcp, ng_mesg::ng_msghdr::typecookie, ng_vlan_filter::vid, and ng_vlan_filter::vlan.

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ng_vlan_shutdown()

static int ng_vlan_shutdown ( node_p  node )

static

Definition at line 678 of file ng_vlan.c.

References NG_NODE_PRIVATE, NG_NODE_SET_PRIVATE, and NG_NODE_UNREF.

Variable Documentation

ng_vlan_cmdlist

const struct ng_cmdlist ng_vlan_cmdlist[]

static

Definition at line 110 of file ng_vlan.c.

ng_vlan_constructor

ng_constructor_t ng_vlan_constructor

static

Definition at line 68 of file ng_vlan.c.

ng_vlan_disconnect

ng_disconnect_t ng_vlan_disconnect

static

Definition at line 73 of file ng_vlan.c.

ng_vlan_filter_fields

const struct ng_parse_struct_field ng_vlan_filter_fields[]

static

Initial value:

=
        NG_VLAN_FILTER_FIELDS

Definition at line 76 of file ng_vlan.c.

ng_vlan_filter_type

const struct ng_parse_type ng_vlan_filter_type

static

Initial value:

= {
        &ng_parse_struct_type,
        &ng_vlan_filter_fields
}

Definition at line 78 of file ng_vlan.c.

ng_vlan_newhook

ng_newhook_t ng_vlan_newhook

static

Definition at line 71 of file ng_vlan.c.

ng_vlan_rcvdata

ng_rcvdata_t ng_vlan_rcvdata

static

Definition at line 72 of file ng_vlan.c.

ng_vlan_rcvmsg

ng_rcvmsg_t ng_vlan_rcvmsg

static

Definition at line 69 of file ng_vlan.c.

ng_vlan_shutdown

ng_shutdown_t ng_vlan_shutdown

static

Definition at line 70 of file ng_vlan.c.

ng_vlan_table_array_info

const struct ng_parse_array_info ng_vlan_table_array_info

static

Initial value:

= {
        &ng_vlan_filter_type,
        ng_vlan_getTableLength
}

Definition at line 94 of file ng_vlan.c.

ng_vlan_table_array_type

const struct ng_parse_type ng_vlan_table_array_type

static

Initial value:

= {
        &ng_parse_array_type,
        &ng_vlan_table_array_info
}

Definition at line 98 of file ng_vlan.c.

ng_vlan_table_fields

const struct ng_parse_struct_field ng_vlan_table_fields[]

static

Initial value:

=
        NG_VLAN_TABLE_FIELDS

Definition at line 102 of file ng_vlan.c.

ng_vlan_table_type

const struct ng_parse_type ng_vlan_table_type

static

Initial value:

= {
        &ng_parse_struct_type,
        &ng_vlan_table_fields
}

Definition at line 104 of file ng_vlan.c.

ng_vlan_typestruct

struct ng_type ng_vlan_typestruct

static

Initial value:

= {
        .version =      NG_ABI_VERSION,
        .name =         NG_VLAN_NODE_TYPE,
        .constructor =  ng_vlan_constructor,
        .rcvmsg =       ng_vlan_rcvmsg,
        .shutdown =     ng_vlan_shutdown,
        .newhook =      ng_vlan_newhook,
        .rcvdata =      ng_vlan_rcvdata,
        .disconnect =   ng_vlan_disconnect,
        .cmdlist =      ng_vlan_cmdlist,
}

Definition at line 184 of file ng_vlan.c.