ng_ether.c File Reference

#include <sys/param.h>
#include <sys/eventhandler.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/errno.h>
#include <sys/proc.h>
#include <sys/syslog.h>
#include <sys/socket.h>
#include <sys/taskqueue.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/if_arp.h>
#include <net/if_var.h>
#include <net/ethernet.h>
#include <net/if_bridgevar.h>
#include <net/vnet.h>
#include <netgraph/ng_message.h>
#include <netgraph/netgraph.h>
#include <netgraph/ng_parse.h>
#include <netgraph/ng_ether.h>

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Data Structures
struct	private

Macros
#define	IFP2NG(ifp)   ((ifp)->if_l2com)

Typedefs
typedef struct private *	priv_p

Functions
	MODULE_VERSION (ng_ether, 1)
static void	ng_ether_input (struct ifnet *ifp, struct mbuf **mp)
static void	ng_ether_input_orphan (struct ifnet *ifp, struct mbuf *m)
static int	ng_ether_output (struct ifnet *ifp, struct mbuf **mp)
static void	ng_ether_attach (struct ifnet *ifp)
static void	ng_ether_detach (struct ifnet *ifp)
static void	ng_ether_link_state (struct ifnet *ifp, int state)
static int	ng_ether_rcv_lower (hook_p node, item_p item)
static int	ng_ether_rcv_upper (hook_p node, item_p item)
static int	ng_ether_mod_event (module_t mod, int event, void *data)
	NETGRAPH_INIT (ether, &ng_ether_typestruct)
static void	ng_ether_sanitize_ifname (const char *ifname, char *name)
static void	ng_ether_ifnet_arrival_event (void *arg __unused, struct ifnet *ifp)
static int	ng_ether_constructor (node_p node)
static int	ng_ether_newhook (node_p node, hook_p hook, const char *name)
static int	ng_ether_rcvmsg (node_p node, item_p item, hook_p lasthook)
static int	ng_ether_rcvdata (hook_p hook, item_p item)
static int	ng_ether_shutdown (node_p node)
static int	ng_ether_disconnect (hook_p hook)
static void	vnet_ng_ether_init (const void *unused)
	VNET_SYSINIT (vnet_ng_ether_init, SI_SUB_PSEUDO, SI_ORDER_ANY, vnet_ng_ether_init, NULL)

Variables
void(*	ng_ether_input_p )(struct ifnet *ifp, struct mbuf **mp)
void(*	ng_ether_input_orphan_p )(struct ifnet *ifp, struct mbuf *m)
int(*	ng_ether_output_p )(struct ifnet *ifp, struct mbuf **mp)
void(*	ng_ether_attach_p )(struct ifnet *ifp)
void(*	ng_ether_detach_p )(struct ifnet *ifp)
void(*	ng_ether_link_state_p )(struct ifnet *ifp, int state)
static ng_constructor_t	ng_ether_constructor
static ng_rcvmsg_t	ng_ether_rcvmsg
static ng_shutdown_t	ng_ether_shutdown
static ng_newhook_t	ng_ether_newhook
static ng_rcvdata_t	ng_ether_rcvdata
static ng_disconnect_t	ng_ether_disconnect
static eventhandler_tag	ng_ether_ifnet_arrival_cookie
static const struct ng_cmdlist	ng_ether_cmdlist []
static struct ng_type	ng_ether_typestruct

Macro Definition Documentation

IFP2NG

#define IFP2NG

(

ifp

)

((ifp)->if_l2com)

Definition at line 77 of file ng_ether.c.

Typedef Documentation

priv_p

typedef struct private* priv_p

Definition at line 90 of file ng_ether.c.

Function Documentation

MODULE_VERSION()

MODULE_VERSION	(	ng_ether	,
		1
	)

NETGRAPH_INIT()

NETGRAPH_INIT	(	ether	,
		&	ng_ether_typestruct
	)

ng_ether_attach()

static void ng_ether_attach ( struct ifnet *  ifp )

static

Definition at line 304 of file ng_ether.c.

References IFP2NG, name, ng_ether_sanitize_ifname(), ng_ether_typestruct, ng_make_node_common(), ng_name2noderef(), ng_name_node(), NG_NODE_SET_PRIVATE, and NG_NODE_UNREF.

Referenced by ng_ether_mod_event(), and vnet_ng_ether_init().

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ng_ether_constructor()

static int ng_ether_constructor ( node_p  node )

static

Definition at line 445 of file ng_ether.c.

ng_ether_detach()

static void ng_ether_detach ( struct ifnet *  ifp )

static

Definition at line 354 of file ng_ether.c.

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

Referenced by ng_ether_mod_event(), and ng_ether_rcvmsg().

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ng_ether_disconnect()

static int ng_ether_disconnect ( hook_p  hook )

static

Definition at line 780 of file ng_ether.c.

References priv::lower, NG_HOOK_NODE, NG_NODE_IS_VALID, NG_NODE_NUMHOOKS, NG_NODE_PRIVATE, ng_rmnode_self(), and priv::upper.

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ng_ether_ifnet_arrival_event()

static void ng_ether_ifnet_arrival_event ( void *arg  __unused, struct ifnet *  ifp  )

static

Definition at line 411 of file ng_ether.c.

References IFP2NG, name, ng_ether_sanitize_ifname(), and ng_name_node().

Referenced by ng_ether_mod_event().

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ng_ether_input()

static void ng_ether_input ( struct ifnet *  ifp, struct mbuf **  mp  )

static

Definition at line 246 of file ng_ether.c.

References IFP2NG, priv::lower, NG_NODE_PRIVATE, and NG_SEND_DATA_ONLY.

Referenced by ng_ether_mod_event().

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ng_ether_input_orphan()

static void ng_ether_input_orphan ( struct ifnet *  ifp, struct mbuf *  m  )

static

Definition at line 263 of file ng_ether.c.

References IFP2NG, NG_NODE_PRIVATE, and NG_SEND_DATA_ONLY.

Referenced by ng_ether_mod_event().

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ng_ether_link_state()

static void ng_ether_link_state ( struct ifnet *  ifp, int  state  )

static

Definition at line 376 of file ng_ether.c.

References IFP2NG, priv::lower, NG_MKMESSAGE, NG_NODE_PRIVATE, NG_SEND_MSG_HOOK, NGM_FLOW_COOKIE, NGM_LINK_IS_DOWN, and NGM_LINK_IS_UP.

Referenced by ng_ether_mod_event().

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ng_ether_mod_event()

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

static

Definition at line 808 of file ng_ether.c.

References event, ng_ether_attach(), ng_ether_attach_p, ng_ether_detach(), ng_ether_detach_p, ng_ether_ifnet_arrival_cookie, ng_ether_ifnet_arrival_event(), ng_ether_input(), ng_ether_input_orphan(), ng_ether_input_orphan_p, ng_ether_input_p, ng_ether_link_state(), ng_ether_link_state_p, ng_ether_output(), and ng_ether_output_p.

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ng_ether_newhook()

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

static

Definition at line 454 of file ng_ether.c.

References priv::lower, name, NG_ETHER_HOOK_DIVERT, NG_ETHER_HOOK_LOWER, NG_ETHER_HOOK_ORPHAN, NG_ETHER_HOOK_UPPER, ng_ether_rcv_lower(), ng_ether_rcv_upper(), NG_HOOK_HI_STACK, NG_HOOK_SET_RCVDATA, NG_HOOK_SET_TO_INBOUND, NG_NODE_PRIVATE, and priv::upper.

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ng_ether_output()

static int ng_ether_output ( struct ifnet *  ifp, struct mbuf **  mp  )

static

Definition at line 282 of file ng_ether.c.

References IFP2NG, NG_NODE_PRIVATE, NG_OUTBOUND_THREAD_REF, NG_OUTBOUND_THREAD_UNREF, NG_SEND_DATA_ONLY, and priv::upper.

Referenced by ng_ether_mod_event().

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ng_ether_rcv_lower()

static int ng_ether_rcv_lower ( hook_p  node, item_p  item  )

static

Definition at line 665 of file ng_ether.c.

References NG_FREE_ITEM, NG_FREE_M, NG_HOOK_NODE, NG_NODE_PRIVATE, and NGI_GET_M.

Referenced by ng_ether_newhook().

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ng_ether_rcv_upper()

static int ng_ether_rcv_upper ( hook_p  node, item_p  item  )

static

Definition at line 713 of file ng_ether.c.

References NG_FREE_ITEM, NG_FREE_M, NG_HOOK_NODE, NG_NODE_PRIVATE, and NGI_GET_M.

Referenced by ng_ether_newhook().

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ng_ether_rcvdata()

static int ng_ether_rcvdata ( hook_p  hook, item_p  item  )

static

Definition at line 654 of file ng_ether.c.

References NG_FREE_ITEM.

ng_ether_rcvmsg()

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

static

Definition at line 494 of file ng_ether.c.

References ng_mesg::ng_msghdr::arglen, ng_mesg::ng_msghdr::cmd, ng_mesg::data, ng_mesg::header, ng_ether_detach(), NG_FREE_MSG, NG_MKRESPONSE, NG_NODE_PRIVATE, NG_RESPOND_MSG, NGI_GET_MSG, NGM_ETHER_ADD_MULTI, NGM_ETHER_COOKIE, NGM_ETHER_DEL_MULTI, NGM_ETHER_DETACH, NGM_ETHER_GET_AUTOSRC, NGM_ETHER_GET_ENADDR, NGM_ETHER_GET_IFINDEX, NGM_ETHER_GET_IFNAME, NGM_ETHER_GET_PROMISC, NGM_ETHER_SET_AUTOSRC, NGM_ETHER_SET_ENADDR, NGM_ETHER_SET_PROMISC, and ng_mesg::ng_msghdr::typecookie.

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ng_ether_sanitize_ifname()

static void ng_ether_sanitize_ifname ( const char *  ifname, char *  name  )

static

Definition at line 223 of file ng_ether.c.

References name.

Referenced by ng_ether_attach(), and ng_ether_ifnet_arrival_event().

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ng_ether_shutdown()

static int ng_ether_shutdown ( node_p  node )

static

Definition at line 751 of file ng_ether.c.

References IFP2NG, ng_node::nd_flags, NG_NODE_PRIVATE, NG_NODE_REVIVE, NG_NODE_SET_PRIVATE, NG_NODE_UNREF, and NGF_REALLY_DIE.

vnet_ng_ether_init()

static void vnet_ng_ether_init ( const void *  unused )

static

Definition at line 862 of file ng_ether.c.

References ng_ether_attach(), and ng_ether_attach_p.

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VNET_SYSINIT()

VNET_SYSINIT	(	vnet_ng_ether_init	,
		SI_SUB_PSEUDO	,
		SI_ORDER_ANY	,
		vnet_ng_ether_init	,
		NULL
	)

Variable Documentation

ng_ether_attach_p

void(* ng_ether_attach_p) (struct ifnet *ifp) ( struct ifnet *  ifp )

extern

Referenced by ng_ether_mod_event(), and vnet_ng_ether_init().

ng_ether_cmdlist

const struct ng_cmdlist ng_ether_cmdlist[]

static

Definition at line 124 of file ng_ether.c.

ng_ether_constructor

ng_constructor_t ng_ether_constructor

static

Definition at line 113 of file ng_ether.c.

ng_ether_detach_p

void(* ng_ether_detach_p) (struct ifnet *ifp) ( struct ifnet *  ifp )

extern

Referenced by ng_ether_mod_event().

ng_ether_disconnect

ng_disconnect_t ng_ether_disconnect

static

Definition at line 118 of file ng_ether.c.

ng_ether_ifnet_arrival_cookie

eventhandler_tag ng_ether_ifnet_arrival_cookie

static

Definition at line 121 of file ng_ether.c.

Referenced by ng_ether_mod_event().

ng_ether_input_orphan_p

void(* ng_ether_input_orphan_p) (struct ifnet *ifp, struct mbuf *m) ( struct ifnet *  ifp, struct mbuf *  m  )

extern

Referenced by ng_ether_mod_event().

ng_ether_input_p

void(* ng_ether_input_p) (struct ifnet *ifp, struct mbuf **mp) ( struct ifnet *  ifp, struct mbuf **  mp  )

extern

Referenced by ng_ether_mod_event().

ng_ether_link_state_p

void(* ng_ether_link_state_p) (struct ifnet *ifp, int state) ( struct ifnet *  ifp, int  state  )

extern

Referenced by ng_ether_mod_event().

ng_ether_newhook

ng_newhook_t ng_ether_newhook

static

Definition at line 116 of file ng_ether.c.

ng_ether_output_p

int(* ng_ether_output_p) (struct ifnet *ifp, struct mbuf **mp) ( struct ifnet *  ifp, struct mbuf **  mp  )

extern

Referenced by ng_ether_mod_event().

ng_ether_rcvdata

ng_rcvdata_t ng_ether_rcvdata

static

Definition at line 117 of file ng_ether.c.

ng_ether_rcvmsg

ng_rcvmsg_t ng_ether_rcvmsg

static

Definition at line 114 of file ng_ether.c.

ng_ether_shutdown

ng_shutdown_t ng_ether_shutdown

static

Definition at line 115 of file ng_ether.c.

ng_ether_typestruct

struct ng_type ng_ether_typestruct

static

Initial value:

= {
        .version =      NG_ABI_VERSION,
        .name =         NG_ETHER_NODE_TYPE,
        .mod_event =    ng_ether_mod_event,
        .constructor =  ng_ether_constructor,
        .rcvmsg =       ng_ether_rcvmsg,
        .shutdown =     ng_ether_shutdown,
        .newhook =      ng_ether_newhook,
        .rcvdata =      ng_ether_rcvdata,
        .disconnect =   ng_ether_disconnect,
        .cmdlist =      ng_ether_cmdlist,
}

Definition at line 205 of file ng_ether.c.

Referenced by ng_ether_attach().