1faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#ifndef __LINUX_IF_ADDR_H 2faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#define __LINUX_IF_ADDR_H 3faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat 4faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#include <linux/types.h> 5faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#include <linux/netlink.h> 6faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat 7faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehatstruct ifaddrmsg 8faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat{ 9faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat __u8 ifa_family; 10faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat __u8 ifa_prefixlen; /* The prefix length */ 11faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat __u8 ifa_flags; /* Flags */ 12faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat __u8 ifa_scope; /* Address scope */ 13faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat __u32 ifa_index; /* Link index */ 14faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat}; 15faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat 16faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat/* 17faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat * Important comment: 18faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat * IFA_ADDRESS is prefix address, rather than local interface address. 19faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat * It makes no difference for normally configured broadcast interfaces, 20faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat * but for point-to-point IFA_ADDRESS is DESTINATION address, 21faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat * local address is supplied in IFA_LOCAL attribute. 22faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat */ 23faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehatenum 24faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat{ 25faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat IFA_UNSPEC, 26faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat IFA_ADDRESS, 27faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat IFA_LOCAL, 28faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat IFA_LABEL, 29faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat IFA_BROADCAST, 30faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat IFA_ANYCAST, 31faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat IFA_CACHEINFO, 32faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat IFA_MULTICAST, 33faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat __IFA_MAX, 34faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat}; 35faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat 36faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#define IFA_MAX (__IFA_MAX - 1) 37faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat 38faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat/* ifa_flags */ 39faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#define IFA_F_SECONDARY 0x01 40faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#define IFA_F_TEMPORARY IFA_F_SECONDARY 41faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat 42faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#define IFA_F_NODAD 0x02 43faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#define IFA_F_OPTIMISTIC 0x04 44faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#define IFA_F_DADFAILED 0x08 45faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#define IFA_F_HOMEADDRESS 0x10 46faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#define IFA_F_DEPRECATED 0x20 47faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#define IFA_F_TENTATIVE 0x40 48faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#define IFA_F_PERMANENT 0x80 49faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat 50faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehatstruct ifa_cacheinfo 51faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat{ 52faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat __u32 ifa_prefered; 53faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat __u32 ifa_valid; 54faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat __u32 cstamp; /* created timestamp, hundredths of seconds */ 55faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat __u32 tstamp; /* updated timestamp, hundredths of seconds */ 56faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat}; 57faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat 58faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat/* backwards compatibility for userspace */ 59faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#ifndef __KERNEL__ 60faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#define IFA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg)))) 61faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg)) 62faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#endif 63faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat 64faeff4e8918c60eb0840f42f0d34efa7fe69db9aSan Mehat#endif 65