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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _INTERFACES_H
#define _INTERFACES_H
#ifdef __cplusplus
extern "C" {
#endif
#define DSRVR_NUM_DESC 3 /* Number of socket descriptors */
typedef enum {
DSRVR_LBCAST = 0, /* Limited broadcast recv descriptor */
DSRVR_DBCAST = 1, /* Directed broadcast recv descriptor */
DSRVR_UCAST = 2 /* Unicast send/recv descriptor */
} dsrvr_socktype_t;
typedef struct interfaces {
char nm[IFNAMSIZ]; /* Interface name */
unsigned int ifceno; /* Interface index */
short mtu; /* MTU of interface */
int descs[DSRVR_NUM_DESC]; /* recv/send sockets */
uint_t flags; /* interface flags */
struct in_addr bcast; /* interface broadcast */
struct in_addr mask; /* interface netmask */
struct in_addr addr; /* interface IP addr */
ENCODE *ecp; /* IF specific options */
uint_t transmit; /* # of transmitted pkts */
uint_t received; /* # of received pkts */
uint_t duplicate; /* # of duplicate pkts */
uint_t dropped; /* # of dropped pkts */
uint_t expired; /* # of expired pkts */
uint_t errors; /* # of protocol errors */
uint_t processed; /* # of processed pkts */
uint_t offers; /* # of pending offers */
thread_t if_thread; /* rcv service thread */
int thr_exit; /* sent when time to exit */
mutex_t ifp_mtx; /* mutex lock on this struct */
struct interfaces *next;
} IF;
#define DHCP_MON_SYSERRS 30 /* Max allowable interface errors */
#define DHCP_MON_ERRINTVL 1 /* Time interval for IF errors (secs) */
#define DHCP_MON_THRESHOLD 6 /* Max allowable pending pkts pcd */
/*
* Pause interval (mins) if IF error threshold reached.
*/
#define DHCP_MON_SLEEP 5
extern IF *if_head; /* head of monitored interfaces */
extern mutex_t if_head_mtx; /* lock to protect interfaces list */
extern char *interfaces; /* list of user-requested interfaces. */
extern int open_interfaces(void);
extern int write_interface(IF *, PKT *, int, struct sockaddr_in *);
extern void close_interfaces(void);
extern void detach_plp(dsvc_clnt_t *, PKT_LIST *);
extern void free_pktlist(dsvc_clnt_t *);
extern PKT_LIST *refresh_pktlist(dsvc_clnt_t *, PKT_LIST *);
extern int set_arp(IF *, struct in_addr *, uchar_t *, int, uchar_t);
extern int send_reply(IF *, PKT *, int, struct in_addr *);
extern void disp_if_stats(IF *);
extern int relay_agent(IF *, PKT_LIST *);
extern void determine_network(IF *, PKT_LIST *, struct in_addr *,
struct in_addr *);
extern boolean_t is_our_address(in_addr_t);
#ifdef __cplusplus
}
#endif
#endif /* _INTERFACES_H */
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