ng_rfc1490.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/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <netgraph/ng_message.h>
#include <netgraph/netgraph.h>
#include <netgraph/ng_parse.h>
#include <netgraph/ng_rfc1490.h>

Include dependency graph for ng_rfc1490.c:

Go to the source code of this file.

Data Structures
struct	ng_rfc1490_encap_t
struct	ng_rfc1490_private

Macros
#define	HDLC_UI   0x03
#define	NLPID_IP   0xCC
#define	NLPID_PPP   0xCF
#define	NLPID_SNAP   0x80
#define	NLPID_Q933   0x08
#define	NLPID_CLNP   0x81
#define	NLPID_ESIS   0x82
#define	NLPID_ISIS   0x83
#define	ERROUT(x)   do { error = (x); goto done; } while (0)
#define	MAX_ENCAPS_HDR   8
#define	OUICMP(P, A, B, C)   ((P)[0]==(A) && (P)[1]==(B) && (P)[2]==(C))

Typedefs
typedef struct ng_rfc1490_private *	priv_p

Enumerations
enum	{ NG_RFC1490_ENCAP_IETF_IP = 1 , NG_RFC1490_ENCAP_IETF_SNAP , NG_RFC1490_ENCAP_CISCO }

Functions
	NETGRAPH_INIT (rfc1490, &typestruct)
static int	ng_rfc1490_constructor (node_p node)
static int	ng_rfc1490_newhook (node_p node, hook_p hook, const char *name)
static int	ng_rfc1490_rcvmsg (node_p node, item_p item, hook_p lasthook)
static int	ng_rfc1490_rcvdata (hook_p hook, item_p item)
static int	ng_rfc1490_shutdown (node_p node)
static int	ng_rfc1490_disconnect (hook_p hook)

Variables
static const struct ng_rfc1490_encap_t	ng_rfc1490_encaps []
static ng_constructor_t	ng_rfc1490_constructor
static ng_rcvmsg_t	ng_rfc1490_rcvmsg
static ng_shutdown_t	ng_rfc1490_shutdown
static ng_newhook_t	ng_rfc1490_newhook
static ng_rcvdata_t	ng_rfc1490_rcvdata
static ng_disconnect_t	ng_rfc1490_disconnect
static const struct ng_cmdlist	ng_rfc1490_cmds []
static struct ng_type	typestruct

Macro Definition Documentation

ERROUT

#define ERROUT

(

x

)

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

Definition at line 83 of file ng_rfc1490.c.

HDLC_UI

#define HDLC_UI   0x03

Definition at line 73 of file ng_rfc1490.c.

MAX_ENCAPS_HDR

#define MAX_ENCAPS_HDR   8

Definition at line 302 of file ng_rfc1490.c.

NLPID_CLNP

#define NLPID_CLNP   0x81

Definition at line 79 of file ng_rfc1490.c.

NLPID_ESIS

#define NLPID_ESIS   0x82

Definition at line 80 of file ng_rfc1490.c.

NLPID_IP

#define NLPID_IP   0xCC

Definition at line 75 of file ng_rfc1490.c.

NLPID_ISIS

#define NLPID_ISIS   0x83

Definition at line 81 of file ng_rfc1490.c.

NLPID_PPP

#define NLPID_PPP   0xCF

Definition at line 76 of file ng_rfc1490.c.

NLPID_Q933

#define NLPID_Q933   0x08

Definition at line 78 of file ng_rfc1490.c.

NLPID_SNAP

#define NLPID_SNAP   0x80

Definition at line 77 of file ng_rfc1490.c.

OUICMP

#define OUICMP	(		P,
			A,
			B,
			C
	)		((P)[0]==(A) && (P)[1]==(B) && (P)[2]==(C))

Definition at line 303 of file ng_rfc1490.c.

Typedef Documentation

priv_p

typedef struct ng_rfc1490_private* priv_p

Definition at line 112 of file ng_rfc1490.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
NG_RFC1490_ENCAP_IETF_IP
NG_RFC1490_ENCAP_IETF_SNAP
NG_RFC1490_ENCAP_CISCO

Definition at line 86 of file ng_rfc1490.c.

Function Documentation

NETGRAPH_INIT()

NETGRAPH_INIT	(	rfc1490	,
		&	typestruct
	)

ng_rfc1490_constructor()

static int ng_rfc1490_constructor ( node_p  node )

static

Definition at line 163 of file ng_rfc1490.c.

References NG_NODE_SET_PRIVATE, and ng_rfc1490_encaps.

ng_rfc1490_disconnect()

static int ng_rfc1490_disconnect ( hook_p  hook )

static

Definition at line 470 of file ng_rfc1490.c.

References NG_HOOK_NODE, NG_NODE_IS_VALID, NG_NODE_NUMHOOKS, NG_NODE_PRIVATE, and ng_rmnode_self().

Here is the call graph for this function:

ng_rfc1490_newhook()

static int ng_rfc1490_newhook ( node_p  node, hook_p  hook, const char *  name  )

static

Definition at line 183 of file ng_rfc1490.c.

References name, NG_NODE_PRIVATE, NG_RFC1490_HOOK_DOWNSTREAM, NG_RFC1490_HOOK_ETHERNET, NG_RFC1490_HOOK_INET, and NG_RFC1490_HOOK_PPP.

ng_rfc1490_rcvdata()

static int ng_rfc1490_rcvdata ( hook_p  hook, item_p  item  )

static

Definition at line 306 of file ng_rfc1490.c.

References ERROUT, HDLC_UI, MAX_ENCAPS_HDR, NG_FREE_ITEM, NG_FREE_M, NG_FWD_NEW_DATA, NG_HOOK_NODE, NG_NODE_PRIVATE, NG_RFC1490_ENCAP_CISCO, NG_RFC1490_ENCAP_IETF_IP, NG_RFC1490_ENCAP_IETF_SNAP, NGI_GET_M, NLPID_CLNP, NLPID_ESIS, NLPID_IP, NLPID_ISIS, NLPID_PPP, NLPID_Q933, NLPID_SNAP, and OUICMP.

ng_rfc1490_rcvmsg()

static int ng_rfc1490_rcvmsg ( node_p  node, item_p  item, hook_p  lasthook  )

static

Definition at line 212 of file ng_rfc1490.c.

References ng_mesg::ng_msghdr::arglen, ng_mesg::ng_msghdr::cmd, ng_mesg::data, ERROUT, ng_mesg::header, ng_rfc1490_encap_t::method, ng_rfc1490_encap_t::name, NG_FREE_MSG, NG_MKRESPONSE, NG_NODE_PRIVATE, NG_RESPOND_MSG, ng_rfc1490_encaps, NGI_GET_MSG, NGM_RFC1490_COOKIE, NGM_RFC1490_GET_ENCAP, NGM_RFC1490_SET_ENCAP, and ng_mesg::ng_msghdr::typecookie.

ng_rfc1490_shutdown()

static int ng_rfc1490_shutdown ( node_p  node )

static

Definition at line 454 of file ng_rfc1490.c.

References NG_NODE_PRIVATE, NG_NODE_SET_PRIVATE, and NG_NODE_UNREF.

Variable Documentation

ng_rfc1490_cmds

const struct ng_cmdlist ng_rfc1490_cmds[]

static

Initial value:

= {
        {
          NGM_RFC1490_COOKIE,
          NGM_RFC1490_SET_ENCAP,
          "setencap",
          &ng_parse_string_type,
          NULL
        },
        {
          NGM_RFC1490_COOKIE,
          NGM_RFC1490_GET_ENCAP,
          "getencap",
          NULL,
          &ng_parse_string_type
        },
        { 0 }
}

Definition at line 123 of file ng_rfc1490.c.

ng_rfc1490_constructor

ng_constructor_t ng_rfc1490_constructor

static

Definition at line 115 of file ng_rfc1490.c.

ng_rfc1490_disconnect

ng_disconnect_t ng_rfc1490_disconnect

static

Definition at line 120 of file ng_rfc1490.c.

ng_rfc1490_encaps

const struct ng_rfc1490_encap_t ng_rfc1490_encaps[]

static

Initial value:

= {
        { NG_RFC1490_ENCAP_IETF_IP,     "ietf-ip" },
        { NG_RFC1490_ENCAP_IETF_SNAP,   "ietf-snap" },
        { NG_RFC1490_ENCAP_CISCO,       "cisco" },
        { 0, NULL},
}

Definition at line 97 of file ng_rfc1490.c.

Referenced by ng_rfc1490_constructor(), and ng_rfc1490_rcvmsg().

ng_rfc1490_newhook

ng_newhook_t ng_rfc1490_newhook

static

Definition at line 118 of file ng_rfc1490.c.

ng_rfc1490_rcvdata

ng_rcvdata_t ng_rfc1490_rcvdata

static

Definition at line 119 of file ng_rfc1490.c.

ng_rfc1490_rcvmsg

ng_rcvmsg_t ng_rfc1490_rcvmsg

static

Definition at line 116 of file ng_rfc1490.c.

ng_rfc1490_shutdown

ng_shutdown_t ng_rfc1490_shutdown

static

Definition at line 117 of file ng_rfc1490.c.

typestruct

struct ng_type typestruct

static

Initial value:

= {
        .version =      NG_ABI_VERSION,
        .name =         NG_RFC1490_NODE_TYPE,
        .constructor =  ng_rfc1490_constructor,
        .rcvmsg =       ng_rfc1490_rcvmsg,
        .shutdown =     ng_rfc1490_shutdown,
        .newhook =      ng_rfc1490_newhook,
        .rcvdata =      ng_rfc1490_rcvdata,
        .disconnect =   ng_rfc1490_disconnect,
        .cmdlist =      ng_rfc1490_cmds,
}

Definition at line 142 of file ng_rfc1490.c.