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6f52b16c5b
Many user space API headers are missing licensing information, which makes it hard for compliance tools to determine the correct license. By default are files without license information under the default license of the kernel, which is GPLV2. Marking them GPLV2 would exclude them from being included in non GPLV2 code, which is obviously not intended. The user space API headers fall under the syscall exception which is in the kernels COPYING file: NOTE! This copyright does *not* cover user programs that use kernel services by normal system calls - this is merely considered normal use of the kernel, and does *not* fall under the heading of "derived work". otherwise syscall usage would not be possible. Update the files which contain no license information with an SPDX license identifier. The chosen identifier is 'GPL-2.0 WITH Linux-syscall-note' which is the officially assigned identifier for the Linux syscall exception. SPDX license identifiers are a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. See the previous patch in this series for the methodology of how this patch was researched. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
173 lines
4.2 KiB
C
173 lines
4.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef __LINUX_NEIGHBOUR_H
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#define __LINUX_NEIGHBOUR_H
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#include <linux/types.h>
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#include <linux/netlink.h>
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struct ndmsg {
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__u8 ndm_family;
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__u8 ndm_pad1;
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__u16 ndm_pad2;
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__s32 ndm_ifindex;
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__u16 ndm_state;
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__u8 ndm_flags;
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__u8 ndm_type;
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};
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enum {
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NDA_UNSPEC,
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NDA_DST,
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NDA_LLADDR,
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NDA_CACHEINFO,
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NDA_PROBES,
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NDA_VLAN,
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NDA_PORT,
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NDA_VNI,
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NDA_IFINDEX,
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NDA_MASTER,
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NDA_LINK_NETNSID,
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NDA_SRC_VNI,
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__NDA_MAX
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};
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#define NDA_MAX (__NDA_MAX - 1)
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/*
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* Neighbor Cache Entry Flags
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*/
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#define NTF_USE 0x01
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#define NTF_SELF 0x02
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#define NTF_MASTER 0x04
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#define NTF_PROXY 0x08 /* == ATF_PUBL */
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#define NTF_EXT_LEARNED 0x10
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#define NTF_OFFLOADED 0x20
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#define NTF_ROUTER 0x80
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/*
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* Neighbor Cache Entry States.
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*/
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#define NUD_INCOMPLETE 0x01
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#define NUD_REACHABLE 0x02
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#define NUD_STALE 0x04
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#define NUD_DELAY 0x08
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#define NUD_PROBE 0x10
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#define NUD_FAILED 0x20
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/* Dummy states */
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#define NUD_NOARP 0x40
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#define NUD_PERMANENT 0x80
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#define NUD_NONE 0x00
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/* NUD_NOARP & NUD_PERMANENT are pseudostates, they never change
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and make no address resolution or NUD.
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NUD_PERMANENT also cannot be deleted by garbage collectors.
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*/
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struct nda_cacheinfo {
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__u32 ndm_confirmed;
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__u32 ndm_used;
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__u32 ndm_updated;
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__u32 ndm_refcnt;
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};
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/*****************************************************************
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* Neighbour tables specific messages.
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*
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* To retrieve the neighbour tables send RTM_GETNEIGHTBL with the
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* NLM_F_DUMP flag set. Every neighbour table configuration is
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* spread over multiple messages to avoid running into message
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* size limits on systems with many interfaces. The first message
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* in the sequence transports all not device specific data such as
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* statistics, configuration, and the default parameter set.
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* This message is followed by 0..n messages carrying device
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* specific parameter sets.
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* Although the ordering should be sufficient, NDTA_NAME can be
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* used to identify sequences. The initial message can be identified
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* by checking for NDTA_CONFIG. The device specific messages do
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* not contain this TLV but have NDTPA_IFINDEX set to the
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* corresponding interface index.
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*
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* To change neighbour table attributes, send RTM_SETNEIGHTBL
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* with NDTA_NAME set. Changeable attribute include NDTA_THRESH[1-3],
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* NDTA_GC_INTERVAL, and all TLVs in NDTA_PARMS unless marked
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* otherwise. Device specific parameter sets can be changed by
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* setting NDTPA_IFINDEX to the interface index of the corresponding
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* device.
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****/
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struct ndt_stats {
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__u64 ndts_allocs;
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__u64 ndts_destroys;
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__u64 ndts_hash_grows;
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__u64 ndts_res_failed;
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__u64 ndts_lookups;
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__u64 ndts_hits;
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__u64 ndts_rcv_probes_mcast;
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__u64 ndts_rcv_probes_ucast;
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__u64 ndts_periodic_gc_runs;
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__u64 ndts_forced_gc_runs;
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__u64 ndts_table_fulls;
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};
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enum {
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NDTPA_UNSPEC,
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NDTPA_IFINDEX, /* u32, unchangeable */
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NDTPA_REFCNT, /* u32, read-only */
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NDTPA_REACHABLE_TIME, /* u64, read-only, msecs */
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NDTPA_BASE_REACHABLE_TIME, /* u64, msecs */
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NDTPA_RETRANS_TIME, /* u64, msecs */
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NDTPA_GC_STALETIME, /* u64, msecs */
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NDTPA_DELAY_PROBE_TIME, /* u64, msecs */
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NDTPA_QUEUE_LEN, /* u32 */
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NDTPA_APP_PROBES, /* u32 */
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NDTPA_UCAST_PROBES, /* u32 */
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NDTPA_MCAST_PROBES, /* u32 */
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NDTPA_ANYCAST_DELAY, /* u64, msecs */
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NDTPA_PROXY_DELAY, /* u64, msecs */
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NDTPA_PROXY_QLEN, /* u32 */
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NDTPA_LOCKTIME, /* u64, msecs */
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NDTPA_QUEUE_LENBYTES, /* u32 */
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NDTPA_MCAST_REPROBES, /* u32 */
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NDTPA_PAD,
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__NDTPA_MAX
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};
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#define NDTPA_MAX (__NDTPA_MAX - 1)
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struct ndtmsg {
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__u8 ndtm_family;
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__u8 ndtm_pad1;
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__u16 ndtm_pad2;
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};
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struct ndt_config {
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__u16 ndtc_key_len;
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__u16 ndtc_entry_size;
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__u32 ndtc_entries;
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__u32 ndtc_last_flush; /* delta to now in msecs */
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__u32 ndtc_last_rand; /* delta to now in msecs */
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__u32 ndtc_hash_rnd;
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__u32 ndtc_hash_mask;
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__u32 ndtc_hash_chain_gc;
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__u32 ndtc_proxy_qlen;
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};
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enum {
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NDTA_UNSPEC,
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NDTA_NAME, /* char *, unchangeable */
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NDTA_THRESH1, /* u32 */
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NDTA_THRESH2, /* u32 */
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NDTA_THRESH3, /* u32 */
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NDTA_CONFIG, /* struct ndt_config, read-only */
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NDTA_PARMS, /* nested TLV NDTPA_* */
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NDTA_STATS, /* struct ndt_stats, read-only */
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NDTA_GC_INTERVAL, /* u64, msecs */
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NDTA_PAD,
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__NDTA_MAX
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};
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#define NDTA_MAX (__NDTA_MAX - 1)
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#endif
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