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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 _VRRPD_IMPL_H
#define _VRRPD_IMPL_H
#include <sys/queue.h>
#include <libinetutil.h>
#include <libvrrpadm.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Internal data structs to store VRRP instance configuration information
* and run-time state information.
*/
typedef useconds_t vrrp_timeout_t;
typedef struct vrrp_vr_s {
vrrp_vr_conf_t vvr_conf;
uint32_t vvr_master_adver_int;
char vvr_vnic[MAXLINKNAMELEN];
struct vrrp_intf_s *vvr_pif;
struct vrrp_intf_s *vvr_vif;
/*
* Timer reused in master/backup state:
* Master: The Advertisement_Interval (Adver_Timer)
* Backup: The Master_Down_Intervel (Master_Down_timer)
*/
vrrp_timeout_t vvr_timeout;
iu_timer_id_t vvr_timer_id;
/*
* Peer information, got from the last adv message received
*/
vrrp_peer_t vvr_peer;
#define vvr_peer_addr vvr_peer.vp_addr
#define vvr_peer_time vvr_peer.vp_time
#define vvr_peer_prio vvr_peer.vp_prio
#define vvr_peer_adver_int vvr_peer.vp_adver_int
vrrp_stateinfo_t vvr_sinfo;
#define vvr_state vvr_sinfo.vs_state
#define vvr_prev_state vvr_sinfo.vs_prev_state
#define vvr_st_time vvr_sinfo.vs_st_time
/*
* Record the reason why the virtual router stays at the INIT
* state, for the diagnose purpose.
*/
vrrp_err_t vvr_err;
TAILQ_ENTRY(vrrp_vr_s) vvr_next;
} vrrp_vr_t;
/* IP address/interface cache state flags */
typedef enum {
NODE_STATE_NONE = 0,
NODE_STATE_STALE = 1,
NODE_STATE_NEW = 2
} node_state_t;
/*
* The ifindex is get by the SIOCGLIFINDEX ioctl, easy to make it part of
* vrrp_ip_t instead of vrrp_intf_t
*/
typedef struct vrrp_ip_s {
char vip_lifname[LIFNAMSIZ];
vrrp_addr_t vip_addr;
uint64_t vip_flags;
node_state_t vip_state;
TAILQ_ENTRY(vrrp_ip_s) vip_next;
} vrrp_ip_t;
/*
* Used for primary interfaces
*/
typedef struct vrrp_primary_ifinfo {
uint32_t vpii_nvr; /* numbers of virtual routers */
vrrp_ip_t *vpii_pip; /* primary IP address */
iu_event_id_t vpii_eid; /* event id of RX socket */
/* non-zero on the primary if */
} vrrp_primary_ifinfo_t;
/*
* Used for virtual interfaces
*/
typedef struct vrrp_virtual_ifinfo {
/*
* the state of the VRRP router, used to determine the up/down
* state of the virtual IP addresses
*/
vrrp_state_t vvii_state;
} vrrp_virtual_ifinfo_t;
/*
* VRRP interface structure
*
* An interface is either the primary interface which owns the primary IP
* address or a VNIC interface which owns the virtual IP addresses.
* As the primary interface, it can be shared by several VRRP routers.
*/
typedef struct vrrp_intf_s {
char vvi_ifname[LIFNAMSIZ];
int vvi_af; /* address family */
node_state_t vvi_state;
uint32_t vvi_ifindex; /* interface index */
TAILQ_HEAD(, vrrp_ip_s) vvi_iplist; /* IP adddress list */
TAILQ_ENTRY(vrrp_intf_s) vvi_next;
/*
* Socket fd.
* - physical interfaces: used to receive the VRRP packet, and shared
* by all virtual routers on this physical interface.
* - vnic interfaces: used to send the VRRP packet.
*/
int vvi_sockfd;
vrrp_primary_ifinfo_t pifinfo; /* Primary interface info */
vrrp_virtual_ifinfo_t vifinfo; /* VNIC interface info */
#define vvi_nvr pifinfo.vpii_nvr
#define vvi_pip pifinfo.vpii_pip
#define vvi_eid pifinfo.vpii_eid
#define vvi_vr_state vifinfo.vvii_state
} vrrp_intf_t;
#define IS_PRIMARY_INTF(intf) \
(((intf)->vvi_sockfd >= 0) && ((intf)->vvi_eid != -1))
#define IS_VIRTUAL_INTF(intf) \
(((intf)->vvi_sockfd >= 0) && ((intf)->vvi_eid == -1))
#define VRRP_ERR 0 /* error message */
#define VRRP_WARNING 1
#define VRRP_NOTICE 2
#define VRRP_INFO 3
#define VRRP_DBG0 4 /* debug message, only function calls */
#define VRRP_DBG1 5 /* detailed debug message */
/*
* The primary IP address must be brought up; further, in the case of IPv6,
* the link-local IP address is used as the primary IP address.
*/
#define QUALIFY_PRIMARY_ADDR(intf, ip) \
(((ip)->vip_flags & IFF_UP) && ((intf)->vvi_af != AF_INET6 || \
IN6_IS_ADDR_LINKLOCAL(&(ip)->vip_addr.in6.sin6_addr)))
#ifdef __cplusplus
}
#endif
#endif /* _VRRPD_IMPL_H */
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