ng_cisco.c File Reference

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/kernel.h>
#include <sys/socket.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/syslog.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_cisco.h>

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Data Structures
struct	cisco_header
struct	cisco_packet
struct	protoent
struct	cisco_priv

Macros
#define	CISCO_MULTICAST   0x8f /* Cisco multicast address */
#define	CISCO_UNICAST   0x0f /* Cisco unicast address */
#define	CISCO_KEEPALIVE   0x8035 /* Cisco keepalive protocol */
#define	CISCO_ADDR_REQ   0 /* Cisco address request */
#define	CISCO_ADDR_REPLY   1 /* Cisco address reply */
#define	CISCO_KEEPALIVE_REQ   2 /* Cisco keepalive request */
#define	KEEPALIVE_SECS   10
#define	CISCO_HEADER_LEN   sizeof (struct cisco_header)
#define	CISCO_PACKET_LEN   (sizeof(struct cisco_packet))

Typedefs
typedef struct cisco_priv *	sc_p

Functions
static int	cisco_input (sc_p sc, item_p item)
static void	cisco_keepalive (node_p node, hook_p hook, void *arg1, int arg2)
static int	cisco_send (sc_p sc, int type, long par1, long par2)
static void	cisco_notify (sc_p sc, uint32_t cmd)
	NETGRAPH_INIT (cisco, &typestruct)
static int	cisco_constructor (node_p node)
static int	cisco_newhook (node_p node, hook_p hook, const char *name)
static int	cisco_rcvmsg (node_p node, item_p item, hook_p lasthook)
static int	cisco_rcvdata (hook_p hook, item_p item)
static int	cisco_shutdown (node_p node)
static int	cisco_disconnect (hook_p hook)

Variables
struct cisco_header	__packed
static ng_constructor_t	cisco_constructor
static ng_rcvmsg_t	cisco_rcvmsg
static ng_shutdown_t	cisco_shutdown
static ng_newhook_t	cisco_newhook
static ng_rcvdata_t	cisco_rcvdata
static ng_disconnect_t	cisco_disconnect
static const struct ng_parse_struct_field	ng_cisco_ipaddr_type_fields [] = NG_CISCO_IPADDR_TYPE_INFO
static const struct ng_parse_type	ng_cisco_ipaddr_type
static const struct ng_parse_struct_field	ng_cisco_stats_type_fields [] = NG_CISCO_STATS_TYPE_INFO
static const struct ng_parse_type	ng_cisco_stats_type
static const struct ng_cmdlist	ng_cisco_cmdlist []
static struct ng_type	typestruct

Macro Definition Documentation

CISCO_ADDR_REPLY

#define CISCO_ADDR_REPLY   1 /* Cisco address reply */

Definition at line 67 of file ng_cisco.c.

CISCO_ADDR_REQ

#define CISCO_ADDR_REQ   0 /* Cisco address request */

Definition at line 66 of file ng_cisco.c.

CISCO_HEADER_LEN

#define CISCO_HEADER_LEN   sizeof (struct cisco_header)

Definition at line 78 of file ng_cisco.c.

CISCO_KEEPALIVE

#define CISCO_KEEPALIVE   0x8035 /* Cisco keepalive protocol */

Definition at line 65 of file ng_cisco.c.

CISCO_KEEPALIVE_REQ

#define CISCO_KEEPALIVE_REQ   2 /* Cisco keepalive request */

Definition at line 68 of file ng_cisco.c.

CISCO_MULTICAST

#define CISCO_MULTICAST   0x8f /* Cisco multicast address */

Definition at line 63 of file ng_cisco.c.

CISCO_PACKET_LEN

#define CISCO_PACKET_LEN   (sizeof(struct cisco_packet))

Definition at line 89 of file ng_cisco.c.

CISCO_UNICAST

#define CISCO_UNICAST   0x0f /* Cisco unicast address */

Definition at line 64 of file ng_cisco.c.

KEEPALIVE_SECS

#define KEEPALIVE_SECS   10

Definition at line 70 of file ng_cisco.c.

Typedef Documentation

sc_p

typedef struct cisco_priv* sc_p

Definition at line 111 of file ng_cisco.c.

Function Documentation

cisco_constructor()

static int cisco_constructor ( node_p  node )

static

Definition at line 187 of file ng_cisco.c.

References ng_callout_init, NG_NODE_SET_PRIVATE, and ng_async_private::node.

cisco_disconnect()

static int cisco_disconnect ( hook_p  hook )

static

Definition at line 415 of file ng_cisco.c.

References protoent::af, protoent::hook, NG_HOOK_NODE, NG_HOOK_PRIVATE, NG_NODE_IS_VALID, NG_NODE_NUMHOOKS, NG_NODE_PRIVATE, ng_rmnode_self(), and ng_uncallout().

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cisco_input()

static int cisco_input ( sc_p  sc, item_p  item  )

static

Definition at line 439 of file ng_cisco.c.

References cisco_header::address, CISCO_ADDR_REPLY, CISCO_ADDR_REQ, CISCO_KEEPALIVE, CISCO_KEEPALIVE_REQ, CISCO_MULTICAST, cisco_notify(), cisco_send(), CISCO_UNICAST, protoent::hook, NG_FREE_ITEM, NG_FWD_NEW_DATA, NG_MKMESSAGE, NG_SEND_MSG_HOOK, NGI_M, NGM_CISCO_COOKIE, NGM_CISCO_GET_IPADDR, NGM_LINK_IS_UP, ng_async_private::node, cisco_packet::par1, cisco_packet::par2, cisco_header::protocol, and cisco_packet::type.

Referenced by cisco_rcvdata().

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cisco_keepalive()

static void cisco_keepalive ( node_p  node, hook_p  hook, void *  arg1, int  arg2  )

static

Definition at line 579 of file ng_cisco.c.

References cisco_keepalive(), CISCO_KEEPALIVE_REQ, cisco_notify(), cisco_send(), KEEPALIVE_SECS, ng_callout(), and NGM_LINK_IS_DOWN.

Referenced by cisco_keepalive(), and cisco_newhook().

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cisco_newhook()

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

static

Definition at line 210 of file ng_cisco.c.

References cisco_keepalive(), KEEPALIVE_SECS, name, ng_callout(), NG_CISCO_HOOK_APPLETALK, NG_CISCO_HOOK_DEBUG, NG_CISCO_HOOK_DOWNSTREAM, NG_CISCO_HOOK_INET, NG_CISCO_HOOK_INET6, NG_CISCO_HOOK_IPX, NG_HOOK_SET_PRIVATE, and NG_NODE_PRIVATE.

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cisco_notify()

static void cisco_notify ( sc_p  sc, uint32_t  cmd  )

static

Definition at line 634 of file ng_cisco.c.

References NG_MKMESSAGE, NG_SEND_MSG_HOOK, NGM_FLOW_COOKIE, and ng_async_private::node.

Referenced by cisco_input(), and cisco_keepalive().

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cisco_rcvdata()

static int cisco_rcvdata ( hook_p  hook, item_p  item  )

static

Definition at line 340 of file ng_cisco.c.

References cisco_header::address, protoent::af, CISCO_HEADER_LEN, cisco_input(), CISCO_UNICAST, cisco_header::control, NG_FREE_ITEM, NG_FWD_NEW_DATA, NG_HOOK_NODE, NG_HOOK_PRIVATE, NG_NODE_PRIVATE, NGI_GET_M, NGI_M, and cisco_header::protocol.

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cisco_rcvmsg()

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

static

Definition at line 244 of file ng_cisco.c.

References ng_mesg::ng_msghdr::arglen, ng_mesg::ng_msghdr::cmd, ng_mesg::data, ng_mesg::ng_msghdr::flags, ng_mesg::header, KEEPALIVE_SECS, ng_cisco_stats::keepAlivePeriod, NG_FREE_MSG, NG_MKRESPONSE, NG_NODE_PRIVATE, NG_RESPOND_MSG, NG_TEXTRESPONSE, NGF_RESP, NGI_GET_MSG, NGM_CISCO_COOKIE, NGM_CISCO_GET_IPADDR, NGM_CISCO_GET_STATUS, NGM_CISCO_SET_IPADDR, NGM_GENERIC_COOKIE, NGM_TEXT_STATUS, ng_cisco_stats::seqRetries, and ng_mesg::ng_msghdr::typecookie.

cisco_send()

static int cisco_send ( sc_p  sc, int  type, long  par1, long  par2  )

static

Definition at line 594 of file ng_cisco.c.

References cisco_header::address, CISCO_HEADER_LEN, CISCO_KEEPALIVE, CISCO_MULTICAST, CISCO_PACKET_LEN, cisco_header::control, NG_SEND_DATA_ONLY, cisco_packet::par1, cisco_packet::par2, cisco_header::protocol, cisco_packet::rel, cisco_packet::time0, cisco_packet::time1, type, and cisco_packet::type.

Referenced by cisco_input(), and cisco_keepalive().

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cisco_shutdown()

static int cisco_shutdown ( node_p  node )

static

Definition at line 399 of file ng_cisco.c.

References NG_NODE_PRIVATE, NG_NODE_SET_PRIVATE, NG_NODE_UNREF, and ng_async_private::node.

NETGRAPH_INIT()

NETGRAPH_INIT	(	cisco	,
		&	typestruct
	)

Variable Documentation

__packed

struct ether_vlan_stack_header __packed

Referenced by ng_pppoe_rcvdata().

cisco_constructor

ng_constructor_t cisco_constructor

static

Definition at line 114 of file ng_cisco.c.

cisco_disconnect

ng_disconnect_t cisco_disconnect

static

Definition at line 119 of file ng_cisco.c.

cisco_newhook

ng_newhook_t cisco_newhook

static

Definition at line 117 of file ng_cisco.c.

cisco_rcvdata

ng_rcvdata_t cisco_rcvdata

static

Definition at line 118 of file ng_cisco.c.

cisco_rcvmsg

ng_rcvmsg_t cisco_rcvmsg

static

Definition at line 115 of file ng_cisco.c.

cisco_shutdown

ng_shutdown_t cisco_shutdown

static

Definition at line 116 of file ng_cisco.c.

ng_cisco_cmdlist

const struct ng_cmdlist ng_cisco_cmdlist[]

static

Initial value:

= {
        {
          NGM_CISCO_COOKIE,
          NGM_CISCO_SET_IPADDR,
          "setipaddr",
          &ng_cisco_ipaddr_type,
          NULL
        },
        {
          NGM_CISCO_COOKIE,
          NGM_CISCO_GET_IPADDR,
          "getipaddr",
          NULL,
          &ng_cisco_ipaddr_type
        },
        {
          NGM_CISCO_COOKIE,
          NGM_CISCO_GET_STATUS,
          "getstats",
          NULL,
          &ng_cisco_stats_type
        },
        { 0 }
}

Definition at line 144 of file ng_cisco.c.

ng_cisco_ipaddr_type

const struct ng_parse_type ng_cisco_ipaddr_type

static

Initial value:

= {
        &ng_parse_struct_type,
        &ng_cisco_ipaddr_type_fields
}

Definition at line 130 of file ng_cisco.c.

ng_cisco_ipaddr_type_fields

const struct ng_parse_struct_field ng_cisco_ipaddr_type_fields[] = NG_CISCO_IPADDR_TYPE_INFO

static

Definition at line 128 of file ng_cisco.c.

ng_cisco_stats_type

const struct ng_parse_type ng_cisco_stats_type

static

Initial value:

= {
        &ng_parse_struct_type,
        &ng_cisco_stats_type_fields
}

Definition at line 138 of file ng_cisco.c.

ng_cisco_stats_type_fields

const struct ng_parse_struct_field ng_cisco_stats_type_fields[] = NG_CISCO_STATS_TYPE_INFO

static

Definition at line 136 of file ng_cisco.c.

typestruct

struct ng_type typestruct

static

Initial value:

= {
        .version =      NG_ABI_VERSION,
        .name =         NG_CISCO_NODE_TYPE,
        .constructor =  cisco_constructor,
        .rcvmsg =       cisco_rcvmsg,
        .shutdown =     cisco_shutdown,
        .newhook =      cisco_newhook,
        .rcvdata =      cisco_rcvdata,
        .disconnect =   cisco_disconnect,
        .cmdlist =      ng_cisco_cmdlist,
}

Definition at line 170 of file ng_cisco.c.