80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/*
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* vrrp_adv.h - VRRP advertisement
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*
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* Copyright (C) 2014 Arnaud Andre
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*
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* This file is part of uvrrpd.
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*
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* uvrrpd is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* uvrrpd is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with uvrrpd. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _VRRP_ADV_H_
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#define _VRRP_ADV_H_
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int vrrp_adv_init(struct vrrp_net *vnet, const struct vrrp *vrrp);
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void vrrp_adv_cleanup(struct vrrp_net *vnet);
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int vrrp_adv_send(struct vrrp_net *vnet);
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int vrrp_adv_send_zero(struct vrrp_net *vnet);
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uint16_t vrrp_adv_chksum(struct vrrp_net *vnet, struct vrrphdr *pkt,
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uint32_t saddr, uint32_t daddr);
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uint16_t vrrp_adv_ip6_chksum(struct vrrp_net *vnet, struct vrrphdr *pkt,
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struct in6_addr *saddr, struct in6_addr *daddr);
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/**
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* vrrp_adv_get_version() - get version_type from received adv pkt
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*/
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static inline int vrrp_adv_get_version(const struct vrrp_net *vnet)
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{
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return vnet->__pkt.adv.version_type;
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}
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/**
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* vrrp_adv_get_priority() - get priority from received adv priority
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*/
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static inline int vrrp_adv_get_priority(const struct vrrp_net *vnet)
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{
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return vnet->__pkt.adv.priority;
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}
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/**
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* vrrp_adv_get_ntoa_addr() - return a string ip4 address
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*/
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static inline char *vrrp_adv_get_ntoa_addr(const struct vrrp_net *vnet)
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{
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return inet_ntoa(vnet->__pkt.ip_saddr);
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}
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/**
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* vrrp_adv_get_ntohl_addr()
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*/
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static inline uint32_t vrrp_adv_get_ntohl_addr(const struct vrrp_net *vnet)
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{
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return ntohl(vnet->__pkt.ip_saddr.s_addr);
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}
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/**
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* vrrp_adv_get_advint() - get adv interval
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*/
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static inline uint16_t vrrp_adv_get_advint(const struct vrrp_net *vnet)
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{
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if (vnet->__pkt.adv.version_type >> 4 == RFC5798)
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return ntohs(vnet->__pkt.adv.max_adv_int);
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return vnet->__pkt.adv.adv_int;
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}
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#endif /* _VRRP_ADV_H_ */
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