xref: /openbmc/linux/include/uapi/linux/rtnetlink.h (revision c78ba6d6)
1607ca46eSDavid Howells #ifndef _UAPI__LINUX_RTNETLINK_H
2607ca46eSDavid Howells #define _UAPI__LINUX_RTNETLINK_H
3607ca46eSDavid Howells 
4607ca46eSDavid Howells #include <linux/types.h>
5607ca46eSDavid Howells #include <linux/netlink.h>
6607ca46eSDavid Howells #include <linux/if_link.h>
7607ca46eSDavid Howells #include <linux/if_addr.h>
8607ca46eSDavid Howells #include <linux/neighbour.h>
9607ca46eSDavid Howells 
10607ca46eSDavid Howells /* rtnetlink families. Values up to 127 are reserved for real address
11607ca46eSDavid Howells  * families, values above 128 may be used arbitrarily.
12607ca46eSDavid Howells  */
13607ca46eSDavid Howells #define RTNL_FAMILY_IPMR		128
14607ca46eSDavid Howells #define RTNL_FAMILY_IP6MR		129
15607ca46eSDavid Howells #define RTNL_FAMILY_MAX			129
16607ca46eSDavid Howells 
17607ca46eSDavid Howells /****
18607ca46eSDavid Howells  *		Routing/neighbour discovery messages.
19607ca46eSDavid Howells  ****/
20607ca46eSDavid Howells 
21607ca46eSDavid Howells /* Types of messages */
22607ca46eSDavid Howells 
23607ca46eSDavid Howells enum {
24607ca46eSDavid Howells 	RTM_BASE	= 16,
25607ca46eSDavid Howells #define RTM_BASE	RTM_BASE
26607ca46eSDavid Howells 
27607ca46eSDavid Howells 	RTM_NEWLINK	= 16,
28607ca46eSDavid Howells #define RTM_NEWLINK	RTM_NEWLINK
29607ca46eSDavid Howells 	RTM_DELLINK,
30607ca46eSDavid Howells #define RTM_DELLINK	RTM_DELLINK
31607ca46eSDavid Howells 	RTM_GETLINK,
32607ca46eSDavid Howells #define RTM_GETLINK	RTM_GETLINK
33607ca46eSDavid Howells 	RTM_SETLINK,
34607ca46eSDavid Howells #define RTM_SETLINK	RTM_SETLINK
35607ca46eSDavid Howells 
36607ca46eSDavid Howells 	RTM_NEWADDR	= 20,
37607ca46eSDavid Howells #define RTM_NEWADDR	RTM_NEWADDR
38607ca46eSDavid Howells 	RTM_DELADDR,
39607ca46eSDavid Howells #define RTM_DELADDR	RTM_DELADDR
40607ca46eSDavid Howells 	RTM_GETADDR,
41607ca46eSDavid Howells #define RTM_GETADDR	RTM_GETADDR
42607ca46eSDavid Howells 
43607ca46eSDavid Howells 	RTM_NEWROUTE	= 24,
44607ca46eSDavid Howells #define RTM_NEWROUTE	RTM_NEWROUTE
45607ca46eSDavid Howells 	RTM_DELROUTE,
46607ca46eSDavid Howells #define RTM_DELROUTE	RTM_DELROUTE
47607ca46eSDavid Howells 	RTM_GETROUTE,
48607ca46eSDavid Howells #define RTM_GETROUTE	RTM_GETROUTE
49607ca46eSDavid Howells 
50607ca46eSDavid Howells 	RTM_NEWNEIGH	= 28,
51607ca46eSDavid Howells #define RTM_NEWNEIGH	RTM_NEWNEIGH
52607ca46eSDavid Howells 	RTM_DELNEIGH,
53607ca46eSDavid Howells #define RTM_DELNEIGH	RTM_DELNEIGH
54607ca46eSDavid Howells 	RTM_GETNEIGH,
55607ca46eSDavid Howells #define RTM_GETNEIGH	RTM_GETNEIGH
56607ca46eSDavid Howells 
57607ca46eSDavid Howells 	RTM_NEWRULE	= 32,
58607ca46eSDavid Howells #define RTM_NEWRULE	RTM_NEWRULE
59607ca46eSDavid Howells 	RTM_DELRULE,
60607ca46eSDavid Howells #define RTM_DELRULE	RTM_DELRULE
61607ca46eSDavid Howells 	RTM_GETRULE,
62607ca46eSDavid Howells #define RTM_GETRULE	RTM_GETRULE
63607ca46eSDavid Howells 
64607ca46eSDavid Howells 	RTM_NEWQDISC	= 36,
65607ca46eSDavid Howells #define RTM_NEWQDISC	RTM_NEWQDISC
66607ca46eSDavid Howells 	RTM_DELQDISC,
67607ca46eSDavid Howells #define RTM_DELQDISC	RTM_DELQDISC
68607ca46eSDavid Howells 	RTM_GETQDISC,
69607ca46eSDavid Howells #define RTM_GETQDISC	RTM_GETQDISC
70607ca46eSDavid Howells 
71607ca46eSDavid Howells 	RTM_NEWTCLASS	= 40,
72607ca46eSDavid Howells #define RTM_NEWTCLASS	RTM_NEWTCLASS
73607ca46eSDavid Howells 	RTM_DELTCLASS,
74607ca46eSDavid Howells #define RTM_DELTCLASS	RTM_DELTCLASS
75607ca46eSDavid Howells 	RTM_GETTCLASS,
76607ca46eSDavid Howells #define RTM_GETTCLASS	RTM_GETTCLASS
77607ca46eSDavid Howells 
78607ca46eSDavid Howells 	RTM_NEWTFILTER	= 44,
79607ca46eSDavid Howells #define RTM_NEWTFILTER	RTM_NEWTFILTER
80607ca46eSDavid Howells 	RTM_DELTFILTER,
81607ca46eSDavid Howells #define RTM_DELTFILTER	RTM_DELTFILTER
82607ca46eSDavid Howells 	RTM_GETTFILTER,
83607ca46eSDavid Howells #define RTM_GETTFILTER	RTM_GETTFILTER
84607ca46eSDavid Howells 
85607ca46eSDavid Howells 	RTM_NEWACTION	= 48,
86607ca46eSDavid Howells #define RTM_NEWACTION   RTM_NEWACTION
87607ca46eSDavid Howells 	RTM_DELACTION,
88607ca46eSDavid Howells #define RTM_DELACTION   RTM_DELACTION
89607ca46eSDavid Howells 	RTM_GETACTION,
90607ca46eSDavid Howells #define RTM_GETACTION   RTM_GETACTION
91607ca46eSDavid Howells 
92607ca46eSDavid Howells 	RTM_NEWPREFIX	= 52,
93607ca46eSDavid Howells #define RTM_NEWPREFIX	RTM_NEWPREFIX
94607ca46eSDavid Howells 
95607ca46eSDavid Howells 	RTM_GETMULTICAST = 58,
96607ca46eSDavid Howells #define RTM_GETMULTICAST RTM_GETMULTICAST
97607ca46eSDavid Howells 
98607ca46eSDavid Howells 	RTM_GETANYCAST	= 62,
99607ca46eSDavid Howells #define RTM_GETANYCAST	RTM_GETANYCAST
100607ca46eSDavid Howells 
101607ca46eSDavid Howells 	RTM_NEWNEIGHTBL	= 64,
102607ca46eSDavid Howells #define RTM_NEWNEIGHTBL	RTM_NEWNEIGHTBL
103607ca46eSDavid Howells 	RTM_GETNEIGHTBL	= 66,
104607ca46eSDavid Howells #define RTM_GETNEIGHTBL	RTM_GETNEIGHTBL
105607ca46eSDavid Howells 	RTM_SETNEIGHTBL,
106607ca46eSDavid Howells #define RTM_SETNEIGHTBL	RTM_SETNEIGHTBL
107607ca46eSDavid Howells 
108607ca46eSDavid Howells 	RTM_NEWNDUSEROPT = 68,
109607ca46eSDavid Howells #define RTM_NEWNDUSEROPT RTM_NEWNDUSEROPT
110607ca46eSDavid Howells 
111607ca46eSDavid Howells 	RTM_NEWADDRLABEL = 72,
112607ca46eSDavid Howells #define RTM_NEWADDRLABEL RTM_NEWADDRLABEL
113607ca46eSDavid Howells 	RTM_DELADDRLABEL,
114607ca46eSDavid Howells #define RTM_DELADDRLABEL RTM_DELADDRLABEL
115607ca46eSDavid Howells 	RTM_GETADDRLABEL,
116607ca46eSDavid Howells #define RTM_GETADDRLABEL RTM_GETADDRLABEL
117607ca46eSDavid Howells 
118607ca46eSDavid Howells 	RTM_GETDCB = 78,
119607ca46eSDavid Howells #define RTM_GETDCB RTM_GETDCB
120607ca46eSDavid Howells 	RTM_SETDCB,
121607ca46eSDavid Howells #define RTM_SETDCB RTM_SETDCB
122607ca46eSDavid Howells 
123d900082bSNicolas Dichtel 	RTM_NEWNETCONF = 80,
124d900082bSNicolas Dichtel #define RTM_NEWNETCONF RTM_NEWNETCONF
125d900082bSNicolas Dichtel 	RTM_GETNETCONF = 82,
126d900082bSNicolas Dichtel #define RTM_GETNETCONF RTM_GETNETCONF
127d900082bSNicolas Dichtel 
12837a393bcSCong Wang 	RTM_NEWMDB = 84,
12937a393bcSCong Wang #define RTM_NEWMDB RTM_NEWMDB
13037a393bcSCong Wang 	RTM_DELMDB = 85,
13137a393bcSCong Wang #define RTM_DELMDB RTM_DELMDB
132ee07c6e7SCong Wang 	RTM_GETMDB = 86,
133ee07c6e7SCong Wang #define RTM_GETMDB RTM_GETMDB
134ee07c6e7SCong Wang 
1350c7aecd4SNicolas Dichtel 	RTM_NEWNSID = 88,
1360c7aecd4SNicolas Dichtel #define RTM_NEWNSID RTM_NEWNSID
1370c7aecd4SNicolas Dichtel 	RTM_GETNSID = 90,
1380c7aecd4SNicolas Dichtel #define RTM_GETNSID RTM_GETNSID
1390c7aecd4SNicolas Dichtel 
140607ca46eSDavid Howells 	__RTM_MAX,
141607ca46eSDavid Howells #define RTM_MAX		(((__RTM_MAX + 3) & ~3) - 1)
142607ca46eSDavid Howells };
143607ca46eSDavid Howells 
144607ca46eSDavid Howells #define RTM_NR_MSGTYPES	(RTM_MAX + 1 - RTM_BASE)
145607ca46eSDavid Howells #define RTM_NR_FAMILIES	(RTM_NR_MSGTYPES >> 2)
146607ca46eSDavid Howells #define RTM_FAM(cmd)	(((cmd) - RTM_BASE) >> 2)
147607ca46eSDavid Howells 
148607ca46eSDavid Howells /*
149607ca46eSDavid Howells    Generic structure for encapsulation of optional route information.
150607ca46eSDavid Howells    It is reminiscent of sockaddr, but with sa_family replaced
151607ca46eSDavid Howells    with attribute type.
152607ca46eSDavid Howells  */
153607ca46eSDavid Howells 
154607ca46eSDavid Howells struct rtattr {
155607ca46eSDavid Howells 	unsigned short	rta_len;
156607ca46eSDavid Howells 	unsigned short	rta_type;
157607ca46eSDavid Howells };
158607ca46eSDavid Howells 
159607ca46eSDavid Howells /* Macros to handle rtattributes */
160607ca46eSDavid Howells 
161607ca46eSDavid Howells #define RTA_ALIGNTO	4
162607ca46eSDavid Howells #define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
163607ca46eSDavid Howells #define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \
164607ca46eSDavid Howells 			 (rta)->rta_len >= sizeof(struct rtattr) && \
165607ca46eSDavid Howells 			 (rta)->rta_len <= (len))
166607ca46eSDavid Howells #define RTA_NEXT(rta,attrlen)	((attrlen) -= RTA_ALIGN((rta)->rta_len), \
167607ca46eSDavid Howells 				 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))
168607ca46eSDavid Howells #define RTA_LENGTH(len)	(RTA_ALIGN(sizeof(struct rtattr)) + (len))
169607ca46eSDavid Howells #define RTA_SPACE(len)	RTA_ALIGN(RTA_LENGTH(len))
170607ca46eSDavid Howells #define RTA_DATA(rta)   ((void*)(((char*)(rta)) + RTA_LENGTH(0)))
171607ca46eSDavid Howells #define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
172607ca46eSDavid Howells 
173607ca46eSDavid Howells 
174607ca46eSDavid Howells 
175607ca46eSDavid Howells 
176607ca46eSDavid Howells /******************************************************************************
177607ca46eSDavid Howells  *		Definitions used in routing table administration.
178607ca46eSDavid Howells  ****/
179607ca46eSDavid Howells 
180607ca46eSDavid Howells struct rtmsg {
181607ca46eSDavid Howells 	unsigned char		rtm_family;
182607ca46eSDavid Howells 	unsigned char		rtm_dst_len;
183607ca46eSDavid Howells 	unsigned char		rtm_src_len;
184607ca46eSDavid Howells 	unsigned char		rtm_tos;
185607ca46eSDavid Howells 
186607ca46eSDavid Howells 	unsigned char		rtm_table;	/* Routing table id */
187607ca46eSDavid Howells 	unsigned char		rtm_protocol;	/* Routing protocol; see below	*/
188607ca46eSDavid Howells 	unsigned char		rtm_scope;	/* See below */
189607ca46eSDavid Howells 	unsigned char		rtm_type;	/* See below	*/
190607ca46eSDavid Howells 
191607ca46eSDavid Howells 	unsigned		rtm_flags;
192607ca46eSDavid Howells };
193607ca46eSDavid Howells 
194607ca46eSDavid Howells /* rtm_type */
195607ca46eSDavid Howells 
196607ca46eSDavid Howells enum {
197607ca46eSDavid Howells 	RTN_UNSPEC,
198607ca46eSDavid Howells 	RTN_UNICAST,		/* Gateway or direct route	*/
199607ca46eSDavid Howells 	RTN_LOCAL,		/* Accept locally		*/
200607ca46eSDavid Howells 	RTN_BROADCAST,		/* Accept locally as broadcast,
201607ca46eSDavid Howells 				   send as broadcast */
202607ca46eSDavid Howells 	RTN_ANYCAST,		/* Accept locally as broadcast,
203607ca46eSDavid Howells 				   but send as unicast */
204607ca46eSDavid Howells 	RTN_MULTICAST,		/* Multicast route		*/
205607ca46eSDavid Howells 	RTN_BLACKHOLE,		/* Drop				*/
206607ca46eSDavid Howells 	RTN_UNREACHABLE,	/* Destination is unreachable   */
207607ca46eSDavid Howells 	RTN_PROHIBIT,		/* Administratively prohibited	*/
208607ca46eSDavid Howells 	RTN_THROW,		/* Not in this table		*/
209607ca46eSDavid Howells 	RTN_NAT,		/* Translate this address	*/
210607ca46eSDavid Howells 	RTN_XRESOLVE,		/* Use external resolver	*/
211607ca46eSDavid Howells 	__RTN_MAX
212607ca46eSDavid Howells };
213607ca46eSDavid Howells 
214607ca46eSDavid Howells #define RTN_MAX (__RTN_MAX - 1)
215607ca46eSDavid Howells 
216607ca46eSDavid Howells 
217607ca46eSDavid Howells /* rtm_protocol */
218607ca46eSDavid Howells 
219607ca46eSDavid Howells #define RTPROT_UNSPEC	0
220607ca46eSDavid Howells #define RTPROT_REDIRECT	1	/* Route installed by ICMP redirects;
221607ca46eSDavid Howells 				   not used by current IPv4 */
222607ca46eSDavid Howells #define RTPROT_KERNEL	2	/* Route installed by kernel		*/
223607ca46eSDavid Howells #define RTPROT_BOOT	3	/* Route installed during boot		*/
224607ca46eSDavid Howells #define RTPROT_STATIC	4	/* Route installed by administrator	*/
225607ca46eSDavid Howells 
226607ca46eSDavid Howells /* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
227607ca46eSDavid Howells    they are just passed from user and back as is.
228607ca46eSDavid Howells    It will be used by hypothetical multiple routing daemons.
229607ca46eSDavid Howells    Note that protocol values should be standardized in order to
230607ca46eSDavid Howells    avoid conflicts.
231607ca46eSDavid Howells  */
232607ca46eSDavid Howells 
233607ca46eSDavid Howells #define RTPROT_GATED	8	/* Apparently, GateD */
234607ca46eSDavid Howells #define RTPROT_RA	9	/* RDISC/ND router advertisements */
235607ca46eSDavid Howells #define RTPROT_MRT	10	/* Merit MRT */
236607ca46eSDavid Howells #define RTPROT_ZEBRA	11	/* Zebra */
237607ca46eSDavid Howells #define RTPROT_BIRD	12	/* BIRD */
238607ca46eSDavid Howells #define RTPROT_DNROUTED	13	/* DECnet routing daemon */
239607ca46eSDavid Howells #define RTPROT_XORP	14	/* XORP */
240607ca46eSDavid Howells #define RTPROT_NTK	15	/* Netsukuku */
241607ca46eSDavid Howells #define RTPROT_DHCP	16      /* DHCP client */
2429a68ac72SNicolas Dichtel #define RTPROT_MROUTED	17      /* Multicast daemon */
243be955b29SDave Taht #define RTPROT_BABEL	42      /* Babel daemon */
244607ca46eSDavid Howells 
245607ca46eSDavid Howells /* rtm_scope
246607ca46eSDavid Howells 
247607ca46eSDavid Howells    Really it is not scope, but sort of distance to the destination.
248607ca46eSDavid Howells    NOWHERE are reserved for not existing destinations, HOST is our
249607ca46eSDavid Howells    local addresses, LINK are destinations, located on directly attached
250607ca46eSDavid Howells    link and UNIVERSE is everywhere in the Universe.
251607ca46eSDavid Howells 
252607ca46eSDavid Howells    Intermediate values are also possible f.e. interior routes
253607ca46eSDavid Howells    could be assigned a value between UNIVERSE and LINK.
254607ca46eSDavid Howells */
255607ca46eSDavid Howells 
256607ca46eSDavid Howells enum rt_scope_t {
257607ca46eSDavid Howells 	RT_SCOPE_UNIVERSE=0,
258607ca46eSDavid Howells /* User defined values  */
259607ca46eSDavid Howells 	RT_SCOPE_SITE=200,
260607ca46eSDavid Howells 	RT_SCOPE_LINK=253,
261607ca46eSDavid Howells 	RT_SCOPE_HOST=254,
262607ca46eSDavid Howells 	RT_SCOPE_NOWHERE=255
263607ca46eSDavid Howells };
264607ca46eSDavid Howells 
265607ca46eSDavid Howells /* rtm_flags */
266607ca46eSDavid Howells 
267607ca46eSDavid Howells #define RTM_F_NOTIFY		0x100	/* Notify user of route change	*/
268607ca46eSDavid Howells #define RTM_F_CLONED		0x200	/* This route is cloned		*/
269607ca46eSDavid Howells #define RTM_F_EQUALIZE		0x400	/* Multipath equalizer: NI	*/
270607ca46eSDavid Howells #define RTM_F_PREFIX		0x800	/* Prefix addresses		*/
271607ca46eSDavid Howells 
272607ca46eSDavid Howells /* Reserved table identifiers */
273607ca46eSDavid Howells 
274607ca46eSDavid Howells enum rt_class_t {
275607ca46eSDavid Howells 	RT_TABLE_UNSPEC=0,
276607ca46eSDavid Howells /* User defined values */
277607ca46eSDavid Howells 	RT_TABLE_COMPAT=252,
278607ca46eSDavid Howells 	RT_TABLE_DEFAULT=253,
279607ca46eSDavid Howells 	RT_TABLE_MAIN=254,
280607ca46eSDavid Howells 	RT_TABLE_LOCAL=255,
281607ca46eSDavid Howells 	RT_TABLE_MAX=0xFFFFFFFF
282607ca46eSDavid Howells };
283607ca46eSDavid Howells 
284607ca46eSDavid Howells 
285607ca46eSDavid Howells /* Routing message attributes */
286607ca46eSDavid Howells 
287607ca46eSDavid Howells enum rtattr_type_t {
288607ca46eSDavid Howells 	RTA_UNSPEC,
289607ca46eSDavid Howells 	RTA_DST,
290607ca46eSDavid Howells 	RTA_SRC,
291607ca46eSDavid Howells 	RTA_IIF,
292607ca46eSDavid Howells 	RTA_OIF,
293607ca46eSDavid Howells 	RTA_GATEWAY,
294607ca46eSDavid Howells 	RTA_PRIORITY,
295607ca46eSDavid Howells 	RTA_PREFSRC,
296607ca46eSDavid Howells 	RTA_METRICS,
297607ca46eSDavid Howells 	RTA_MULTIPATH,
298607ca46eSDavid Howells 	RTA_PROTOINFO, /* no longer used */
299607ca46eSDavid Howells 	RTA_FLOW,
300607ca46eSDavid Howells 	RTA_CACHEINFO,
301607ca46eSDavid Howells 	RTA_SESSION, /* no longer used */
302607ca46eSDavid Howells 	RTA_MP_ALGO, /* no longer used */
303607ca46eSDavid Howells 	RTA_TABLE,
304607ca46eSDavid Howells 	RTA_MARK,
305adfa85e4SNicolas Dichtel 	RTA_MFC_STATS,
30603c05665SEric W. Biederman 	RTA_VIA,
30703c05665SEric W. Biederman 	RTA_NEWDST,
308c78ba6d6SLubomir Rintel 	RTA_PREF,
309607ca46eSDavid Howells 	__RTA_MAX
310607ca46eSDavid Howells };
311607ca46eSDavid Howells 
312607ca46eSDavid Howells #define RTA_MAX (__RTA_MAX - 1)
313607ca46eSDavid Howells 
314607ca46eSDavid Howells #define RTM_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
315607ca46eSDavid Howells #define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
316607ca46eSDavid Howells 
317607ca46eSDavid Howells /* RTM_MULTIPATH --- array of struct rtnexthop.
318607ca46eSDavid Howells  *
319607ca46eSDavid Howells  * "struct rtnexthop" describes all necessary nexthop information,
320607ca46eSDavid Howells  * i.e. parameters of path to a destination via this nexthop.
321607ca46eSDavid Howells  *
322607ca46eSDavid Howells  * At the moment it is impossible to set different prefsrc, mtu, window
323607ca46eSDavid Howells  * and rtt for different paths from multipath.
324607ca46eSDavid Howells  */
325607ca46eSDavid Howells 
326607ca46eSDavid Howells struct rtnexthop {
327607ca46eSDavid Howells 	unsigned short		rtnh_len;
328607ca46eSDavid Howells 	unsigned char		rtnh_flags;
329607ca46eSDavid Howells 	unsigned char		rtnh_hops;
330607ca46eSDavid Howells 	int			rtnh_ifindex;
331607ca46eSDavid Howells };
332607ca46eSDavid Howells 
333607ca46eSDavid Howells /* rtnh_flags */
334607ca46eSDavid Howells 
335607ca46eSDavid Howells #define RTNH_F_DEAD		1	/* Nexthop is dead (used by multipath)	*/
336607ca46eSDavid Howells #define RTNH_F_PERVASIVE	2	/* Do recursive gateway lookup	*/
337607ca46eSDavid Howells #define RTNH_F_ONLINK		4	/* Gateway is forced on link	*/
33837ed9493SScott Feldman #define RTNH_F_EXTERNAL		8	/* Route installed externally	*/
339607ca46eSDavid Howells 
340607ca46eSDavid Howells /* Macros to handle hexthops */
341607ca46eSDavid Howells 
342607ca46eSDavid Howells #define RTNH_ALIGNTO	4
343607ca46eSDavid Howells #define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
344607ca46eSDavid Howells #define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
345607ca46eSDavid Howells 			   ((int)(rtnh)->rtnh_len) <= (len))
346607ca46eSDavid Howells #define RTNH_NEXT(rtnh)	((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
347607ca46eSDavid Howells #define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
348607ca46eSDavid Howells #define RTNH_SPACE(len)	RTNH_ALIGN(RTNH_LENGTH(len))
349607ca46eSDavid Howells #define RTNH_DATA(rtnh)   ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0)))
350607ca46eSDavid Howells 
35103c05665SEric W. Biederman /* RTA_VIA */
35203c05665SEric W. Biederman struct rtvia {
35303c05665SEric W. Biederman 	__kernel_sa_family_t	rtvia_family;
35403c05665SEric W. Biederman 	__u8			rtvia_addr[0];
35503c05665SEric W. Biederman };
35603c05665SEric W. Biederman 
357607ca46eSDavid Howells /* RTM_CACHEINFO */
358607ca46eSDavid Howells 
359607ca46eSDavid Howells struct rta_cacheinfo {
360607ca46eSDavid Howells 	__u32	rta_clntref;
361607ca46eSDavid Howells 	__u32	rta_lastuse;
362607ca46eSDavid Howells 	__s32	rta_expires;
363607ca46eSDavid Howells 	__u32	rta_error;
364607ca46eSDavid Howells 	__u32	rta_used;
365607ca46eSDavid Howells 
366607ca46eSDavid Howells #define RTNETLINK_HAVE_PEERINFO 1
367607ca46eSDavid Howells 	__u32	rta_id;
368607ca46eSDavid Howells 	__u32	rta_ts;
369607ca46eSDavid Howells 	__u32	rta_tsage;
370607ca46eSDavid Howells };
371607ca46eSDavid Howells 
372607ca46eSDavid Howells /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
373607ca46eSDavid Howells 
374607ca46eSDavid Howells enum {
375607ca46eSDavid Howells 	RTAX_UNSPEC,
376607ca46eSDavid Howells #define RTAX_UNSPEC RTAX_UNSPEC
377607ca46eSDavid Howells 	RTAX_LOCK,
378607ca46eSDavid Howells #define RTAX_LOCK RTAX_LOCK
379607ca46eSDavid Howells 	RTAX_MTU,
380607ca46eSDavid Howells #define RTAX_MTU RTAX_MTU
381607ca46eSDavid Howells 	RTAX_WINDOW,
382607ca46eSDavid Howells #define RTAX_WINDOW RTAX_WINDOW
383607ca46eSDavid Howells 	RTAX_RTT,
384607ca46eSDavid Howells #define RTAX_RTT RTAX_RTT
385607ca46eSDavid Howells 	RTAX_RTTVAR,
386607ca46eSDavid Howells #define RTAX_RTTVAR RTAX_RTTVAR
387607ca46eSDavid Howells 	RTAX_SSTHRESH,
388607ca46eSDavid Howells #define RTAX_SSTHRESH RTAX_SSTHRESH
389607ca46eSDavid Howells 	RTAX_CWND,
390607ca46eSDavid Howells #define RTAX_CWND RTAX_CWND
391607ca46eSDavid Howells 	RTAX_ADVMSS,
392607ca46eSDavid Howells #define RTAX_ADVMSS RTAX_ADVMSS
393607ca46eSDavid Howells 	RTAX_REORDERING,
394607ca46eSDavid Howells #define RTAX_REORDERING RTAX_REORDERING
395607ca46eSDavid Howells 	RTAX_HOPLIMIT,
396607ca46eSDavid Howells #define RTAX_HOPLIMIT RTAX_HOPLIMIT
397607ca46eSDavid Howells 	RTAX_INITCWND,
398607ca46eSDavid Howells #define RTAX_INITCWND RTAX_INITCWND
399607ca46eSDavid Howells 	RTAX_FEATURES,
400607ca46eSDavid Howells #define RTAX_FEATURES RTAX_FEATURES
401607ca46eSDavid Howells 	RTAX_RTO_MIN,
402607ca46eSDavid Howells #define RTAX_RTO_MIN RTAX_RTO_MIN
403607ca46eSDavid Howells 	RTAX_INITRWND,
404607ca46eSDavid Howells #define RTAX_INITRWND RTAX_INITRWND
405bcefe17cSCong Wang 	RTAX_QUICKACK,
406bcefe17cSCong Wang #define RTAX_QUICKACK RTAX_QUICKACK
407ea697639SDaniel Borkmann 	RTAX_CC_ALGO,
408ea697639SDaniel Borkmann #define RTAX_CC_ALGO RTAX_CC_ALGO
409607ca46eSDavid Howells 	__RTAX_MAX
410607ca46eSDavid Howells };
411607ca46eSDavid Howells 
412607ca46eSDavid Howells #define RTAX_MAX (__RTAX_MAX - 1)
413607ca46eSDavid Howells 
414607ca46eSDavid Howells #define RTAX_FEATURE_ECN	0x00000001
415607ca46eSDavid Howells #define RTAX_FEATURE_SACK	0x00000002
416607ca46eSDavid Howells #define RTAX_FEATURE_TIMESTAMP	0x00000004
417607ca46eSDavid Howells #define RTAX_FEATURE_ALLFRAG	0x00000008
418607ca46eSDavid Howells 
419607ca46eSDavid Howells struct rta_session {
420607ca46eSDavid Howells 	__u8	proto;
421607ca46eSDavid Howells 	__u8	pad1;
422607ca46eSDavid Howells 	__u16	pad2;
423607ca46eSDavid Howells 
424607ca46eSDavid Howells 	union {
425607ca46eSDavid Howells 		struct {
426607ca46eSDavid Howells 			__u16	sport;
427607ca46eSDavid Howells 			__u16	dport;
428607ca46eSDavid Howells 		} ports;
429607ca46eSDavid Howells 
430607ca46eSDavid Howells 		struct {
431607ca46eSDavid Howells 			__u8	type;
432607ca46eSDavid Howells 			__u8	code;
433607ca46eSDavid Howells 			__u16	ident;
434607ca46eSDavid Howells 		} icmpt;
435607ca46eSDavid Howells 
436607ca46eSDavid Howells 		__u32		spi;
437607ca46eSDavid Howells 	} u;
438607ca46eSDavid Howells };
439607ca46eSDavid Howells 
440adfa85e4SNicolas Dichtel struct rta_mfc_stats {
441adfa85e4SNicolas Dichtel 	__u64	mfcs_packets;
442adfa85e4SNicolas Dichtel 	__u64	mfcs_bytes;
443adfa85e4SNicolas Dichtel 	__u64	mfcs_wrong_if;
444adfa85e4SNicolas Dichtel };
445adfa85e4SNicolas Dichtel 
446607ca46eSDavid Howells /****
447607ca46eSDavid Howells  *		General form of address family dependent message.
448607ca46eSDavid Howells  ****/
449607ca46eSDavid Howells 
450607ca46eSDavid Howells struct rtgenmsg {
451607ca46eSDavid Howells 	unsigned char		rtgen_family;
452607ca46eSDavid Howells };
453607ca46eSDavid Howells 
454607ca46eSDavid Howells /*****************************************************************
455607ca46eSDavid Howells  *		Link layer specific messages.
456607ca46eSDavid Howells  ****/
457607ca46eSDavid Howells 
458607ca46eSDavid Howells /* struct ifinfomsg
459607ca46eSDavid Howells  * passes link level specific information, not dependent
460607ca46eSDavid Howells  * on network protocol.
461607ca46eSDavid Howells  */
462607ca46eSDavid Howells 
463607ca46eSDavid Howells struct ifinfomsg {
464607ca46eSDavid Howells 	unsigned char	ifi_family;
465607ca46eSDavid Howells 	unsigned char	__ifi_pad;
466607ca46eSDavid Howells 	unsigned short	ifi_type;		/* ARPHRD_* */
467607ca46eSDavid Howells 	int		ifi_index;		/* Link index	*/
468607ca46eSDavid Howells 	unsigned	ifi_flags;		/* IFF_* flags	*/
469607ca46eSDavid Howells 	unsigned	ifi_change;		/* IFF_* change mask */
470607ca46eSDavid Howells };
471607ca46eSDavid Howells 
472607ca46eSDavid Howells /********************************************************************
473607ca46eSDavid Howells  *		prefix information
474607ca46eSDavid Howells  ****/
475607ca46eSDavid Howells 
476607ca46eSDavid Howells struct prefixmsg {
477607ca46eSDavid Howells 	unsigned char	prefix_family;
478607ca46eSDavid Howells 	unsigned char	prefix_pad1;
479607ca46eSDavid Howells 	unsigned short	prefix_pad2;
480607ca46eSDavid Howells 	int		prefix_ifindex;
481607ca46eSDavid Howells 	unsigned char	prefix_type;
482607ca46eSDavid Howells 	unsigned char	prefix_len;
483607ca46eSDavid Howells 	unsigned char	prefix_flags;
484607ca46eSDavid Howells 	unsigned char	prefix_pad3;
485607ca46eSDavid Howells };
486607ca46eSDavid Howells 
487607ca46eSDavid Howells enum
488607ca46eSDavid Howells {
489607ca46eSDavid Howells 	PREFIX_UNSPEC,
490607ca46eSDavid Howells 	PREFIX_ADDRESS,
491607ca46eSDavid Howells 	PREFIX_CACHEINFO,
492607ca46eSDavid Howells 	__PREFIX_MAX
493607ca46eSDavid Howells };
494607ca46eSDavid Howells 
495607ca46eSDavid Howells #define PREFIX_MAX	(__PREFIX_MAX - 1)
496607ca46eSDavid Howells 
497607ca46eSDavid Howells struct prefix_cacheinfo {
498607ca46eSDavid Howells 	__u32	preferred_time;
499607ca46eSDavid Howells 	__u32	valid_time;
500607ca46eSDavid Howells };
501607ca46eSDavid Howells 
502607ca46eSDavid Howells 
503607ca46eSDavid Howells /*****************************************************************
504607ca46eSDavid Howells  *		Traffic control messages.
505607ca46eSDavid Howells  ****/
506607ca46eSDavid Howells 
507607ca46eSDavid Howells struct tcmsg {
508607ca46eSDavid Howells 	unsigned char	tcm_family;
509607ca46eSDavid Howells 	unsigned char	tcm__pad1;
510607ca46eSDavid Howells 	unsigned short	tcm__pad2;
511607ca46eSDavid Howells 	int		tcm_ifindex;
512607ca46eSDavid Howells 	__u32		tcm_handle;
513607ca46eSDavid Howells 	__u32		tcm_parent;
514607ca46eSDavid Howells 	__u32		tcm_info;
515607ca46eSDavid Howells };
516607ca46eSDavid Howells 
517607ca46eSDavid Howells enum {
518607ca46eSDavid Howells 	TCA_UNSPEC,
519607ca46eSDavid Howells 	TCA_KIND,
520607ca46eSDavid Howells 	TCA_OPTIONS,
521607ca46eSDavid Howells 	TCA_STATS,
522607ca46eSDavid Howells 	TCA_XSTATS,
523607ca46eSDavid Howells 	TCA_RATE,
524607ca46eSDavid Howells 	TCA_FCNT,
525607ca46eSDavid Howells 	TCA_STATS2,
526607ca46eSDavid Howells 	TCA_STAB,
527607ca46eSDavid Howells 	__TCA_MAX
528607ca46eSDavid Howells };
529607ca46eSDavid Howells 
530607ca46eSDavid Howells #define TCA_MAX (__TCA_MAX - 1)
531607ca46eSDavid Howells 
532607ca46eSDavid Howells #define TCA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
533607ca46eSDavid Howells #define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
534607ca46eSDavid Howells 
535607ca46eSDavid Howells /********************************************************************
536607ca46eSDavid Howells  *		Neighbor Discovery userland options
537607ca46eSDavid Howells  ****/
538607ca46eSDavid Howells 
539607ca46eSDavid Howells struct nduseroptmsg {
540607ca46eSDavid Howells 	unsigned char	nduseropt_family;
541607ca46eSDavid Howells 	unsigned char	nduseropt_pad1;
542607ca46eSDavid Howells 	unsigned short	nduseropt_opts_len;	/* Total length of options */
543607ca46eSDavid Howells 	int		nduseropt_ifindex;
544607ca46eSDavid Howells 	__u8		nduseropt_icmp_type;
545607ca46eSDavid Howells 	__u8		nduseropt_icmp_code;
546607ca46eSDavid Howells 	unsigned short	nduseropt_pad2;
547607ca46eSDavid Howells 	unsigned int	nduseropt_pad3;
548607ca46eSDavid Howells 	/* Followed by one or more ND options */
549607ca46eSDavid Howells };
550607ca46eSDavid Howells 
551607ca46eSDavid Howells enum {
552607ca46eSDavid Howells 	NDUSEROPT_UNSPEC,
553607ca46eSDavid Howells 	NDUSEROPT_SRCADDR,
554607ca46eSDavid Howells 	__NDUSEROPT_MAX
555607ca46eSDavid Howells };
556607ca46eSDavid Howells 
557607ca46eSDavid Howells #define NDUSEROPT_MAX	(__NDUSEROPT_MAX - 1)
558607ca46eSDavid Howells 
559607ca46eSDavid Howells #ifndef __KERNEL__
560607ca46eSDavid Howells /* RTnetlink multicast groups - backwards compatibility for userspace */
561607ca46eSDavid Howells #define RTMGRP_LINK		1
562607ca46eSDavid Howells #define RTMGRP_NOTIFY		2
563607ca46eSDavid Howells #define RTMGRP_NEIGH		4
564607ca46eSDavid Howells #define RTMGRP_TC		8
565607ca46eSDavid Howells 
566607ca46eSDavid Howells #define RTMGRP_IPV4_IFADDR	0x10
567607ca46eSDavid Howells #define RTMGRP_IPV4_MROUTE	0x20
568607ca46eSDavid Howells #define RTMGRP_IPV4_ROUTE	0x40
569607ca46eSDavid Howells #define RTMGRP_IPV4_RULE	0x80
570607ca46eSDavid Howells 
571607ca46eSDavid Howells #define RTMGRP_IPV6_IFADDR	0x100
572607ca46eSDavid Howells #define RTMGRP_IPV6_MROUTE	0x200
573607ca46eSDavid Howells #define RTMGRP_IPV6_ROUTE	0x400
574607ca46eSDavid Howells #define RTMGRP_IPV6_IFINFO	0x800
575607ca46eSDavid Howells 
576607ca46eSDavid Howells #define RTMGRP_DECnet_IFADDR    0x1000
577607ca46eSDavid Howells #define RTMGRP_DECnet_ROUTE     0x4000
578607ca46eSDavid Howells 
579607ca46eSDavid Howells #define RTMGRP_IPV6_PREFIX	0x20000
580607ca46eSDavid Howells #endif
581607ca46eSDavid Howells 
582607ca46eSDavid Howells /* RTnetlink multicast groups */
583607ca46eSDavid Howells enum rtnetlink_groups {
584607ca46eSDavid Howells 	RTNLGRP_NONE,
585607ca46eSDavid Howells #define RTNLGRP_NONE		RTNLGRP_NONE
586607ca46eSDavid Howells 	RTNLGRP_LINK,
587607ca46eSDavid Howells #define RTNLGRP_LINK		RTNLGRP_LINK
588607ca46eSDavid Howells 	RTNLGRP_NOTIFY,
589607ca46eSDavid Howells #define RTNLGRP_NOTIFY		RTNLGRP_NOTIFY
590607ca46eSDavid Howells 	RTNLGRP_NEIGH,
591607ca46eSDavid Howells #define RTNLGRP_NEIGH		RTNLGRP_NEIGH
592607ca46eSDavid Howells 	RTNLGRP_TC,
593607ca46eSDavid Howells #define RTNLGRP_TC		RTNLGRP_TC
594607ca46eSDavid Howells 	RTNLGRP_IPV4_IFADDR,
595607ca46eSDavid Howells #define RTNLGRP_IPV4_IFADDR	RTNLGRP_IPV4_IFADDR
596607ca46eSDavid Howells 	RTNLGRP_IPV4_MROUTE,
597607ca46eSDavid Howells #define	RTNLGRP_IPV4_MROUTE	RTNLGRP_IPV4_MROUTE
598607ca46eSDavid Howells 	RTNLGRP_IPV4_ROUTE,
599607ca46eSDavid Howells #define RTNLGRP_IPV4_ROUTE	RTNLGRP_IPV4_ROUTE
600607ca46eSDavid Howells 	RTNLGRP_IPV4_RULE,
601607ca46eSDavid Howells #define RTNLGRP_IPV4_RULE	RTNLGRP_IPV4_RULE
602607ca46eSDavid Howells 	RTNLGRP_IPV6_IFADDR,
603607ca46eSDavid Howells #define RTNLGRP_IPV6_IFADDR	RTNLGRP_IPV6_IFADDR
604607ca46eSDavid Howells 	RTNLGRP_IPV6_MROUTE,
605607ca46eSDavid Howells #define RTNLGRP_IPV6_MROUTE	RTNLGRP_IPV6_MROUTE
606607ca46eSDavid Howells 	RTNLGRP_IPV6_ROUTE,
607607ca46eSDavid Howells #define RTNLGRP_IPV6_ROUTE	RTNLGRP_IPV6_ROUTE
608607ca46eSDavid Howells 	RTNLGRP_IPV6_IFINFO,
609607ca46eSDavid Howells #define RTNLGRP_IPV6_IFINFO	RTNLGRP_IPV6_IFINFO
610607ca46eSDavid Howells 	RTNLGRP_DECnet_IFADDR,
611607ca46eSDavid Howells #define RTNLGRP_DECnet_IFADDR	RTNLGRP_DECnet_IFADDR
612607ca46eSDavid Howells 	RTNLGRP_NOP2,
613607ca46eSDavid Howells 	RTNLGRP_DECnet_ROUTE,
614607ca46eSDavid Howells #define RTNLGRP_DECnet_ROUTE	RTNLGRP_DECnet_ROUTE
615607ca46eSDavid Howells 	RTNLGRP_DECnet_RULE,
616607ca46eSDavid Howells #define RTNLGRP_DECnet_RULE	RTNLGRP_DECnet_RULE
617607ca46eSDavid Howells 	RTNLGRP_NOP4,
618607ca46eSDavid Howells 	RTNLGRP_IPV6_PREFIX,
619607ca46eSDavid Howells #define RTNLGRP_IPV6_PREFIX	RTNLGRP_IPV6_PREFIX
620607ca46eSDavid Howells 	RTNLGRP_IPV6_RULE,
621607ca46eSDavid Howells #define RTNLGRP_IPV6_RULE	RTNLGRP_IPV6_RULE
622607ca46eSDavid Howells 	RTNLGRP_ND_USEROPT,
623607ca46eSDavid Howells #define RTNLGRP_ND_USEROPT	RTNLGRP_ND_USEROPT
624607ca46eSDavid Howells 	RTNLGRP_PHONET_IFADDR,
625607ca46eSDavid Howells #define RTNLGRP_PHONET_IFADDR	RTNLGRP_PHONET_IFADDR
626607ca46eSDavid Howells 	RTNLGRP_PHONET_ROUTE,
627607ca46eSDavid Howells #define RTNLGRP_PHONET_ROUTE	RTNLGRP_PHONET_ROUTE
628607ca46eSDavid Howells 	RTNLGRP_DCB,
629607ca46eSDavid Howells #define RTNLGRP_DCB		RTNLGRP_DCB
630edc9e748SNicolas Dichtel 	RTNLGRP_IPV4_NETCONF,
631edc9e748SNicolas Dichtel #define RTNLGRP_IPV4_NETCONF	RTNLGRP_IPV4_NETCONF
632f3a1bfb1SNicolas Dichtel 	RTNLGRP_IPV6_NETCONF,
633f3a1bfb1SNicolas Dichtel #define RTNLGRP_IPV6_NETCONF	RTNLGRP_IPV6_NETCONF
63437a393bcSCong Wang 	RTNLGRP_MDB,
63537a393bcSCong Wang #define RTNLGRP_MDB		RTNLGRP_MDB
6368de147dcSEric W. Biederman 	RTNLGRP_MPLS_ROUTE,
6378de147dcSEric W. Biederman #define RTNLGRP_MPLS_ROUTE	RTNLGRP_MPLS_ROUTE
638607ca46eSDavid Howells 	__RTNLGRP_MAX
639607ca46eSDavid Howells };
640607ca46eSDavid Howells #define RTNLGRP_MAX	(__RTNLGRP_MAX - 1)
641607ca46eSDavid Howells 
642607ca46eSDavid Howells /* TC action piece */
643607ca46eSDavid Howells struct tcamsg {
644607ca46eSDavid Howells 	unsigned char	tca_family;
645607ca46eSDavid Howells 	unsigned char	tca__pad1;
646607ca46eSDavid Howells 	unsigned short	tca__pad2;
647607ca46eSDavid Howells };
648607ca46eSDavid Howells #define TA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
649607ca46eSDavid Howells #define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
650607ca46eSDavid Howells #define TCA_ACT_TAB 1 /* attr type must be >=1 */
651607ca46eSDavid Howells #define TCAA_MAX 1
652607ca46eSDavid Howells 
653607ca46eSDavid Howells /* New extended info filters for IFLA_EXT_MASK */
654607ca46eSDavid Howells #define RTEXT_FILTER_VF		(1 << 0)
6556cbdceebSVlad Yasevich #define RTEXT_FILTER_BRVLAN	(1 << 1)
65635a27ceeSRoopa Prabhu #define RTEXT_FILTER_BRVLAN_COMPRESSED	(1 << 2)
657607ca46eSDavid Howells 
658607ca46eSDavid Howells /* End of information exported to user level */
659607ca46eSDavid Howells 
660607ca46eSDavid Howells 
661607ca46eSDavid Howells 
662607ca46eSDavid Howells #endif /* _UAPI__LINUX_RTNETLINK_H */
663