#ifndef __LINUX_IF_ADDR_H #define __LINUX_IF_ADDR_H #include <linux/netlink.h> struct ifaddrmsg { __u8 ifa_family; __u8 ifa_prefixlen; /* The prefix length */ __u8 ifa_flags; /* Flags */ __u8 ifa_scope; /* Address scope */ __u32 ifa_index; /* Link index */ }; /* * Important comment: * IFA_ADDRESS is prefix address, rather than local interface address. * It makes no difference for normally configured broadcast interfaces, * but for point-to-point IFA_ADDRESS is DESTINATION address, * local address is supplied in IFA_LOCAL attribute. */ enum { IFA_UNSPEC, IFA_ADDRESS, IFA_LOCAL, IFA_LABEL, IFA_BROADCAST, IFA_ANYCAST, IFA_CACHEINFO, IFA_MULTICAST, __IFA_MAX, }; #define IFA_MAX (__IFA_MAX - 1) /* ifa_flags */ #define IFA_F_SECONDARY 0x01 #define IFA_F_TEMPORARY IFA_F_SECONDARY #define IFA_F_NODAD 0x02 #define IFA_F_OPTIMISTIC 0x04 #define IFA_F_HOMEADDRESS 0x10 #define IFA_F_DEPRECATED 0x20 #define IFA_F_TENTATIVE 0x40 #define IFA_F_PERMANENT 0x80 struct ifa_cacheinfo { __u32 ifa_prefered; __u32 ifa_valid; __u32 cstamp; /* created timestamp, hundredths of seconds */ __u32 tstamp; /* updated timestamp, hundredths of seconds */ }; /* backwards compatibility for userspace */ #ifndef __KERNEL__ #define IFA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg)))) #define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg)) #endif #endif