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/*
* Copyright (C) 2000-2009, Parallels, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _VETH_H_
#define _VETH_H_
#include "list.h"
#include "dist.h"
#define IFNAMSIZE 16
#define ETH_ALEN 6
#define MAC_SIZE 3*ETH_ALEN - 1
#define VZNETCFG SBINDIR "/vznetcfg"
#define PROC_VETH "/proc/vz/veth"
#define SW_OUI 0x001851
#define DEF_VETHNAME "veth$VEID"
/** Data structure for devices.
*/
typedef struct {
list_elem_t list; /**< prev/next element. */
char dev_addr[ETH_ALEN]; /**< device MAC address. */
int addrlen; /**< device MAC address length. */
char dev_name[IFNAMSIZE]; /**< device name. */
char dev_addr_ve[ETH_ALEN]; /**< device MAC address in CT. */
int addrlen_ve; /**< CT device MAC address length. */
char dev_name_ve[IFNAMSIZE]; /**< device name in CT. */
int flags;
int active;
int configure;
int mac_filter;
char dev_bridge[IFNAMSIZE]; /**< bridge name. */
} veth_dev;
/** Devices list.
*/
typedef struct {
list_head_t dev;
int delall;
} veth_param;
/** Create/remove veth devices for CT.
*
* @param h CT handler.
* @param veid CT ID.
* @return 0 on success.
*/
struct vps_param;
int vps_setup_veth(vps_handler *h, envid_t veid, dist_actions *actions,
const char *root, veth_param *veth_add, veth_param *veth_del,
int state, int skip);
int add_veth_param(veth_param *list, veth_dev *dev);
void free_veth_param(veth_param *dev);
int copy_veth_param(veth_param *dst, veth_param *src);
int merge_veth_list(list_head_t *old, list_head_t *add, list_head_t *del,
veth_param *merged);
void generate_mac(int veid, char *dev_name, char *mac);
void free_veth_dev(veth_dev *dev);
veth_dev *find_veth_by_ifname_ve(list_head_t *head, char *name);
veth_dev *find_veth_configure(list_head_t *head);
int merge_veth_list(list_head_t *old, list_head_t *add, list_head_t *del,
veth_param *merged);
int parse_hwaddr(const char *str, char *addr);
int check_veth_param(envid_t veid, veth_param *veth_old, veth_param *veth_new,
veth_param *veth_del);
#endif /* _VETH_H_ */
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