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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */#ifndef _UAPI__LINUX_IF_ADDR_H#define _UAPI__LINUX_IF_ADDR_H
#include <linux/types.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. * * IFA_FLAGS is a u32 attribute that extends the u8 field ifa_flags. * If present, the value from struct ifaddrmsg will be ignored. */enum { IFA_UNSPEC, IFA_ADDRESS, IFA_LOCAL, IFA_LABEL, IFA_BROADCAST, IFA_ANYCAST, IFA_CACHEINFO, IFA_MULTICAST, IFA_FLAGS, IFA_RT_PRIORITY, /* u32, priority/metric for prefix route */ IFA_TARGET_NETNSID, IFA_PROTO, /* u8, address protocol */ IFA_MC_USERS, /* u32, multicast group users */ __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_DADFAILED 0x08#define IFA_F_HOMEADDRESS 0x10#define IFA_F_DEPRECATED 0x20#define IFA_F_TENTATIVE 0x40#define IFA_F_PERMANENT 0x80#define IFA_F_MANAGETEMPADDR 0x100#define IFA_F_NOPREFIXROUTE 0x200#define IFA_F_MCAUTOJOIN 0x400#define IFA_F_STABLE_PRIVACY 0x800#define IFA_F_GLOBAL 0x1000
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
/* ifa_proto */#define IFAPROT_UNSPEC 0#define IFAPROT_KERNEL_LO 1 /* loopback */#define IFAPROT_KERNEL_RA 2 /* set by kernel from router announcement */#define IFAPROT_KERNEL_LL 3 /* link-local set by kernel */
#endif