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f0015d8149
tools/lib/bpf/netlink.c depends on rtnetlink.h and genetlink.h (via nlattr.h) which then depends on if_addr.h. tools/bpf/bpftool/link.c depends on netfilter_arp.h which then depends on netfilter.h. Update check-headers.sh to keep these in sync. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: André Almeida <andrealmeid@igalia.com> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Darren Hart <dvhart@infradead.org> Cc: David S. Miller <davem@davemloft.net> Cc: Davidlohr Bueso <dave@stgolabs.net> Cc: Ido Schimmel <idosch@nvidia.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Jamal Hadi Salim <jhs@mojatatu.com> Cc: Jason Xing <kerneljasonxing@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Jonas Gottlieb <jonas.gottlieb@stackit.cloud> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Maurice Lambert <mauricelambert434@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paolo Abeni <pabeni@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Petr Machata <petrm@nvidia.com> Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Yury Norov <yury.norov@gmail.com> Cc: Yuyang Huang <yuyanghuang@google.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef _UAPI__LINUX_IF_ADDR_H
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#define _UAPI__LINUX_IF_ADDR_H
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#include <linux/types.h>
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#include <linux/netlink.h>
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struct ifaddrmsg {
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__u8 ifa_family;
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__u8 ifa_prefixlen; /* The prefix length */
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__u8 ifa_flags; /* Flags */
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__u8 ifa_scope; /* Address scope */
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__u32 ifa_index; /* Link index */
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};
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/*
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* Important comment:
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* IFA_ADDRESS is prefix address, rather than local interface address.
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* It makes no difference for normally configured broadcast interfaces,
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* but for point-to-point IFA_ADDRESS is DESTINATION address,
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* local address is supplied in IFA_LOCAL attribute.
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*
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* IFA_FLAGS is a u32 attribute that extends the u8 field ifa_flags.
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* If present, the value from struct ifaddrmsg will be ignored.
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*/
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enum {
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IFA_UNSPEC,
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IFA_ADDRESS,
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IFA_LOCAL,
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IFA_LABEL,
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IFA_BROADCAST,
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IFA_ANYCAST,
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IFA_CACHEINFO,
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IFA_MULTICAST,
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IFA_FLAGS,
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IFA_RT_PRIORITY, /* u32, priority/metric for prefix route */
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IFA_TARGET_NETNSID,
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IFA_PROTO, /* u8, address protocol */
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__IFA_MAX,
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};
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#define IFA_MAX (__IFA_MAX - 1)
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/* ifa_flags */
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#define IFA_F_SECONDARY 0x01
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#define IFA_F_TEMPORARY IFA_F_SECONDARY
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#define IFA_F_NODAD 0x02
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#define IFA_F_OPTIMISTIC 0x04
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#define IFA_F_DADFAILED 0x08
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#define IFA_F_HOMEADDRESS 0x10
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#define IFA_F_DEPRECATED 0x20
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#define IFA_F_TENTATIVE 0x40
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#define IFA_F_PERMANENT 0x80
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#define IFA_F_MANAGETEMPADDR 0x100
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#define IFA_F_NOPREFIXROUTE 0x200
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#define IFA_F_MCAUTOJOIN 0x400
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#define IFA_F_STABLE_PRIVACY 0x800
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struct ifa_cacheinfo {
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__u32 ifa_prefered;
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__u32 ifa_valid;
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__u32 cstamp; /* created timestamp, hundredths of seconds */
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__u32 tstamp; /* updated timestamp, hundredths of seconds */
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};
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/* backwards compatibility for userspace */
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#ifndef __KERNEL__
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#define IFA_RTA(r) ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg))))
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#define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg))
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#endif
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/* ifa_proto */
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#define IFAPROT_UNSPEC 0
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#define IFAPROT_KERNEL_LO 1 /* loopback */
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#define IFAPROT_KERNEL_RA 2 /* set by kernel from router announcement */
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#define IFAPROT_KERNEL_LL 3 /* link-local set by kernel */
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#endif
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