ng_gif.c File Reference

#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 <net/if.h>
#include <net/route.h>
#include <net/if_types.h>
#include <net/if_var.h>
#include <net/if_gif.h>
#include <net/vnet.h>
#include <netgraph/ng_message.h>
#include <netgraph/netgraph.h>
#include <netgraph/ng_parse.h>
#include <netgraph/ng_gif.h>

Include dependency graph for ng_gif.c:

Go to the source code of this file.

Data Structures
struct	private

Macros
#define	IFP2NG(ifp)   ((struct ng_node *)((struct gif_softc *)(ifp->if_softc))->gif_netgraph)
#define	IFP2NG_SET(ifp, val)   (((struct gif_softc *)(ifp->if_softc))->gif_netgraph = (val))

Typedefs
typedef struct private *	priv_p

Functions
static void	ng_gif_input (struct ifnet *ifp, struct mbuf **mp, int af)
static void	ng_gif_input_orphan (struct ifnet *ifp, struct mbuf *m, int af)
static void	ng_gif_attach (struct ifnet *ifp)
static void	ng_gif_detach (struct ifnet *ifp)
static void	ng_gif_input2 (node_p node, struct mbuf **mp, int af)
static int	ng_gif_glue_af (struct mbuf **mp, int af)
static int	ng_gif_rcv_lower (node_p node, struct mbuf *m)
static int	ng_gif_mod_event (module_t mod, int event, void *data)
	MODULE_DEPEND (ng_gif, if_gif, 1, 1, 1)
	NETGRAPH_INIT (gif, &ng_gif_typestruct)
static int	ng_gif_constructor (node_p node)
static int	ng_gif_newhook (node_p node, hook_p hook, const char *name)
static int	ng_gif_connect (hook_p hook)
static int	ng_gif_rcvmsg (node_p node, item_p item, hook_p lasthook)
static int	ng_gif_rcvdata (hook_p hook, item_p item)
static int	ng_gif_shutdown (node_p node)
static int	ng_gif_disconnect (hook_p hook)

Variables
static ng_constructor_t	ng_gif_constructor
static ng_rcvmsg_t	ng_gif_rcvmsg
static ng_shutdown_t	ng_gif_shutdown
static ng_newhook_t	ng_gif_newhook
static ng_connect_t	ng_gif_connect
static ng_rcvdata_t	ng_gif_rcvdata
static ng_disconnect_t	ng_gif_disconnect
static const struct ng_cmdlist	ng_gif_cmdlist []
static struct ng_type	ng_gif_typestruct

Macro Definition Documentation

IFP2NG

#define IFP2NG

(

ifp

)

((struct ng_node *)((struct gif_softc *)(ifp->if_softc))->gif_netgraph)

Definition at line 94 of file ng_gif.c.

IFP2NG_SET

#define IFP2NG_SET	(		ifp,
			val
	)		(((struct gif_softc *)(ifp->if_softc))->gif_netgraph = (val))

Definition at line 95 of file ng_gif.c.

Typedef Documentation

priv_p

typedef struct private* priv_p

Definition at line 103 of file ng_gif.c.

Function Documentation

MODULE_DEPEND()

MODULE_DEPEND	(	ng_gif	,
		if_gif	,
		1	,
		1	,
		1
	)

NETGRAPH_INIT()

NETGRAPH_INIT	(	gif	,
		&	ng_gif_typestruct
	)

ng_gif_attach()

static void ng_gif_attach ( struct ifnet *  ifp )

static

Definition at line 225 of file ng_gif.c.

References IFP2NG, IFP2NG_SET, ng_gif_typestruct, ng_make_node_common(), ng_name_node(), NG_NODE_SET_PRIVATE, and NG_NODE_UNREF.

Referenced by ng_gif_mod_event().

Here is the call graph for this function:

Here is the caller graph for this function:

ng_gif_connect()

static int ng_gif_connect ( hook_p  hook )

static

Definition at line 382 of file ng_gif.c.

References NG_HOOK_FORCE_QUEUE, and NG_HOOK_PEER.

ng_gif_constructor()

static int ng_gif_constructor ( node_p  node )

static

Definition at line 337 of file ng_gif.c.

ng_gif_detach()

static void ng_gif_detach ( struct ifnet *  ifp )

static

Definition at line 262 of file ng_gif.c.

References IFP2NG, IFP2NG_SET, NG_NODE_PRIVATE, NG_NODE_REALLY_DIE, and ng_rmnode_self().

Referenced by ng_gif_mod_event().

Here is the call graph for this function:

Here is the caller graph for this function:

ng_gif_disconnect()

static int ng_gif_disconnect ( hook_p  hook )

static

Definition at line 513 of file ng_gif.c.

References priv::lower, 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_gif_glue_af()

static int ng_gif_glue_af ( struct mbuf **  mp, int  af  )

static

Definition at line 286 of file ng_gif.c.

Referenced by ng_gif_input2().

Here is the caller graph for this function:

ng_gif_input()

static void ng_gif_input ( struct ifnet *  ifp, struct mbuf **  mp, int  af  )

static

Definition at line 170 of file ng_gif.c.

References IFP2NG, priv::lower, ng_gif_input2(), and NG_NODE_PRIVATE.

Referenced by ng_gif_mod_event().

Here is the call graph for this function:

Here is the caller graph for this function:

ng_gif_input2()

static void ng_gif_input2 ( node_p  node, struct mbuf **  mp, int  af  )

static

Definition at line 206 of file ng_gif.c.

References priv::lower, ng_gif_glue_af(), NG_NODE_PRIVATE, and NG_SEND_DATA_ONLY.

Referenced by ng_gif_input(), and ng_gif_input_orphan().

Here is the call graph for this function:

Here is the caller graph for this function:

ng_gif_input_orphan()

static void ng_gif_input_orphan ( struct ifnet *  ifp, struct mbuf *  m, int  af  )

static

Definition at line 186 of file ng_gif.c.

References IFP2NG, priv::lower, ng_gif_input2(), and NG_NODE_PRIVATE.

Referenced by ng_gif_mod_event().

Here is the call graph for this function:

Here is the caller graph for this function:

ng_gif_mod_event()

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

static

Definition at line 537 of file ng_gif.c.

References event, ng_gif_attach(), ng_gif_detach(), ng_gif_input(), and ng_gif_input_orphan().

Here is the call graph for this function:

ng_gif_newhook()

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

static

Definition at line 346 of file ng_gif.c.

References priv::lower, name, NG_GIF_HOOK_DIVERT, NG_GIF_HOOK_LOWER, NG_GIF_HOOK_ORPHAN, and NG_NODE_PRIVATE.

ng_gif_rcv_lower()

static int ng_gif_rcv_lower ( node_p  node, struct mbuf *  m  )

static

Definition at line 455 of file ng_gif.c.

References NG_FREE_M, and NG_NODE_PRIVATE.

Referenced by ng_gif_rcvdata().

Here is the caller graph for this function:

ng_gif_rcvdata()

static int ng_gif_rcvdata ( hook_p  hook, item_p  item  )

static

Definition at line 437 of file ng_gif.c.

References priv::lower, NG_FREE_ITEM, ng_gif_rcv_lower(), NG_HOOK_NODE, NG_NODE_PRIVATE, and NGI_GET_M.

Here is the call graph for this function:

ng_gif_rcvmsg()

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

static

Definition at line 392 of file ng_gif.c.

References ng_mesg::ng_msghdr::cmd, ng_mesg::data, ng_mesg::header, NG_FREE_MSG, NG_MKRESPONSE, NG_NODE_PRIVATE, NG_RESPOND_MSG, NGI_GET_MSG, NGM_GIF_COOKIE, NGM_GIF_GET_IFINDEX, NGM_GIF_GET_IFNAME, and ng_mesg::ng_msghdr::typecookie.

ng_gif_shutdown()

static int ng_gif_shutdown ( node_p  node )

static

Definition at line 489 of file ng_gif.c.

References ng_node::nd_flags, NG_NODE_PRIVATE, NG_NODE_REVIVE, NG_NODE_SET_PRIVATE, NG_NODE_UNREF, and NGF_REALLY_DIE.

Variable Documentation

ng_gif_cmdlist

const struct ng_cmdlist ng_gif_cmdlist[]

static

Initial value:

= {
        {
          NGM_GIF_COOKIE,
          NGM_GIF_GET_IFNAME,
          "getifname",
          NULL,
          &ng_parse_string_type
        },
        {
          NGM_GIF_COOKIE,
          NGM_GIF_GET_IFINDEX,
          "getifindex",
          NULL,
          &ng_parse_int32_type
        },
        { 0 }
}

Definition at line 127 of file ng_gif.c.

ng_gif_connect

ng_connect_t ng_gif_connect

static

Definition at line 121 of file ng_gif.c.

ng_gif_constructor

ng_constructor_t ng_gif_constructor

static

Definition at line 117 of file ng_gif.c.

ng_gif_disconnect

ng_disconnect_t ng_gif_disconnect

static

Definition at line 123 of file ng_gif.c.

ng_gif_newhook

ng_newhook_t ng_gif_newhook

static

Definition at line 120 of file ng_gif.c.

ng_gif_rcvdata

ng_rcvdata_t ng_gif_rcvdata

static

Definition at line 122 of file ng_gif.c.

ng_gif_rcvmsg

ng_rcvmsg_t ng_gif_rcvmsg

static

Definition at line 118 of file ng_gif.c.

ng_gif_shutdown

ng_shutdown_t ng_gif_shutdown

static

Definition at line 119 of file ng_gif.c.

ng_gif_typestruct

struct ng_type ng_gif_typestruct

static

Initial value:

= {
        .version =      NG_ABI_VERSION,
        .name =         NG_GIF_NODE_TYPE,
        .mod_event =    ng_gif_mod_event,
        .constructor =  ng_gif_constructor,
        .rcvmsg =       ng_gif_rcvmsg,
        .shutdown =     ng_gif_shutdown,
        .newhook =      ng_gif_newhook,
        .connect =      ng_gif_connect,
        .rcvdata =      ng_gif_rcvdata,
        .disconnect =   ng_gif_disconnect,
        .cmdlist =      ng_gif_cmdlist,
}

Definition at line 145 of file ng_gif.c.

Referenced by ng_gif_attach().