94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
/**
|
|
* vrrp_ipx.h
|
|
*
|
|
* Copyright (C) 2014 Arnaud Andre
|
|
*
|
|
* This file is part of uvrrpd.
|
|
*
|
|
* uvrrpd 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 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* uvrrpd 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 uvrrpd. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef _VRRP_IPX_
|
|
#define _VRRP_IPX_
|
|
|
|
|
|
/* from vrrp_net.h */
|
|
struct vrrp_net;
|
|
struct vrrphdr;
|
|
struct vrrp_recv;
|
|
|
|
/**
|
|
* struct vrrp_ipx_header - IPvX header informations from received adv pkt
|
|
*/
|
|
struct vrrp_ipx_header {
|
|
int len;
|
|
int proto;
|
|
int totlen;
|
|
int ttl;
|
|
};
|
|
|
|
/**
|
|
* union vrrp_ipx_addr - IPv4 and IPv6 addr struct
|
|
*/
|
|
union vrrp_ipx_addr {
|
|
struct in_addr addr;
|
|
struct in6_addr addr6;
|
|
};
|
|
#define ip_addr ipx.addr
|
|
#define ip_addr6 ipx.addr6
|
|
#define ip_saddr s_ipx.addr
|
|
#define ip_daddr d_ipx.addr
|
|
#define ip_saddr6 s_ipx.addr6
|
|
#define ip_daddr6 d_ipx.addr6
|
|
|
|
/**
|
|
* struct vrrp_ipx - Helper functions
|
|
*/
|
|
struct vrrp_ipx {
|
|
int family;
|
|
int (*setsockopt) (int, int);
|
|
int (*mgroup) (struct vrrp_net *);
|
|
int (*cmp) (struct vrrp_net *, struct vrrphdr *);
|
|
int (*recv) (int, struct vrrp_recv *, unsigned char *, ssize_t, int *);
|
|
uint16_t(*chksum) (const struct vrrp_net *, struct vrrphdr *,
|
|
union vrrp_ipx_addr *, union vrrp_ipx_addr *);
|
|
int (*getsize) (const struct vrrp_net *);
|
|
};
|
|
#define set_sockopt ipx_helper->setsockopt
|
|
#define join_mgroup ipx_helper->mgroup
|
|
#define vip_compare ipx_helper->cmp
|
|
#define pkt_receive ipx_helper->recv
|
|
#define adv_checksum ipx_helper->chksum
|
|
#define adv_getsize ipx_helper->getsize
|
|
|
|
extern struct vrrp_ipx VRRP_IP4; /* IPv4 module */
|
|
extern struct vrrp_ipx VRRP_IP6; /* IPv6 module */
|
|
|
|
/**
|
|
* vrrp_ipx_set() - Set l3 helper for vrrp_net
|
|
*/
|
|
static inline struct vrrp_ipx *vrrp_ipx_set(int family)
|
|
{
|
|
if (family == AF_INET) {
|
|
return &VRRP_IP4;
|
|
}
|
|
if (family == AF_INET6) {
|
|
return &VRRP_IP6;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
#endif /* _VRRP_IPX_ */
|