xref: /openbmc/linux/include/uapi/linux/rtnetlink.h (revision 9854518e)
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
1379a963454SNicolas Dichtel 	RTM_DELNSID = 89,
1389a963454SNicolas Dichtel #define RTM_DELNSID RTM_DELNSID
1390c7aecd4SNicolas Dichtel 	RTM_GETNSID = 90,
1400c7aecd4SNicolas Dichtel #define RTM_GETNSID RTM_GETNSID
1410c7aecd4SNicolas Dichtel 
14210c9ead9SRoopa Prabhu 	RTM_NEWSTATS = 92,
14310c9ead9SRoopa Prabhu #define RTM_NEWSTATS RTM_NEWSTATS
14410c9ead9SRoopa Prabhu 	RTM_GETSTATS = 94,
14510c9ead9SRoopa Prabhu #define RTM_GETSTATS RTM_GETSTATS
14610c9ead9SRoopa Prabhu 
147607ca46eSDavid Howells 	__RTM_MAX,
148607ca46eSDavid Howells #define RTM_MAX		(((__RTM_MAX + 3) & ~3) - 1)
149607ca46eSDavid Howells };
150607ca46eSDavid Howells 
151607ca46eSDavid Howells #define RTM_NR_MSGTYPES	(RTM_MAX + 1 - RTM_BASE)
152607ca46eSDavid Howells #define RTM_NR_FAMILIES	(RTM_NR_MSGTYPES >> 2)
153607ca46eSDavid Howells #define RTM_FAM(cmd)	(((cmd) - RTM_BASE) >> 2)
154607ca46eSDavid Howells 
155607ca46eSDavid Howells /*
156607ca46eSDavid Howells    Generic structure for encapsulation of optional route information.
157607ca46eSDavid Howells    It is reminiscent of sockaddr, but with sa_family replaced
158607ca46eSDavid Howells    with attribute type.
159607ca46eSDavid Howells  */
160607ca46eSDavid Howells 
161607ca46eSDavid Howells struct rtattr {
162607ca46eSDavid Howells 	unsigned short	rta_len;
163607ca46eSDavid Howells 	unsigned short	rta_type;
164607ca46eSDavid Howells };
165607ca46eSDavid Howells 
166607ca46eSDavid Howells /* Macros to handle rtattributes */
167607ca46eSDavid Howells 
168e8444637SArad, Ronen #define RTA_ALIGNTO	4U
169607ca46eSDavid Howells #define RTA_ALIGN(len) ( ((len)+RTA_ALIGNTO-1) & ~(RTA_ALIGNTO-1) )
170607ca46eSDavid Howells #define RTA_OK(rta,len) ((len) >= (int)sizeof(struct rtattr) && \
171607ca46eSDavid Howells 			 (rta)->rta_len >= sizeof(struct rtattr) && \
172607ca46eSDavid Howells 			 (rta)->rta_len <= (len))
173607ca46eSDavid Howells #define RTA_NEXT(rta,attrlen)	((attrlen) -= RTA_ALIGN((rta)->rta_len), \
174607ca46eSDavid Howells 				 (struct rtattr*)(((char*)(rta)) + RTA_ALIGN((rta)->rta_len)))
175607ca46eSDavid Howells #define RTA_LENGTH(len)	(RTA_ALIGN(sizeof(struct rtattr)) + (len))
176607ca46eSDavid Howells #define RTA_SPACE(len)	RTA_ALIGN(RTA_LENGTH(len))
177607ca46eSDavid Howells #define RTA_DATA(rta)   ((void*)(((char*)(rta)) + RTA_LENGTH(0)))
178607ca46eSDavid Howells #define RTA_PAYLOAD(rta) ((int)((rta)->rta_len) - RTA_LENGTH(0))
179607ca46eSDavid Howells 
180607ca46eSDavid Howells 
181607ca46eSDavid Howells 
182607ca46eSDavid Howells 
183607ca46eSDavid Howells /******************************************************************************
184607ca46eSDavid Howells  *		Definitions used in routing table administration.
185607ca46eSDavid Howells  ****/
186607ca46eSDavid Howells 
187607ca46eSDavid Howells struct rtmsg {
188607ca46eSDavid Howells 	unsigned char		rtm_family;
189607ca46eSDavid Howells 	unsigned char		rtm_dst_len;
190607ca46eSDavid Howells 	unsigned char		rtm_src_len;
191607ca46eSDavid Howells 	unsigned char		rtm_tos;
192607ca46eSDavid Howells 
193607ca46eSDavid Howells 	unsigned char		rtm_table;	/* Routing table id */
194607ca46eSDavid Howells 	unsigned char		rtm_protocol;	/* Routing protocol; see below	*/
195607ca46eSDavid Howells 	unsigned char		rtm_scope;	/* See below */
196607ca46eSDavid Howells 	unsigned char		rtm_type;	/* See below	*/
197607ca46eSDavid Howells 
198607ca46eSDavid Howells 	unsigned		rtm_flags;
199607ca46eSDavid Howells };
200607ca46eSDavid Howells 
201607ca46eSDavid Howells /* rtm_type */
202607ca46eSDavid Howells 
203607ca46eSDavid Howells enum {
204607ca46eSDavid Howells 	RTN_UNSPEC,
205607ca46eSDavid Howells 	RTN_UNICAST,		/* Gateway or direct route	*/
206607ca46eSDavid Howells 	RTN_LOCAL,		/* Accept locally		*/
207607ca46eSDavid Howells 	RTN_BROADCAST,		/* Accept locally as broadcast,
208607ca46eSDavid Howells 				   send as broadcast */
209607ca46eSDavid Howells 	RTN_ANYCAST,		/* Accept locally as broadcast,
210607ca46eSDavid Howells 				   but send as unicast */
211607ca46eSDavid Howells 	RTN_MULTICAST,		/* Multicast route		*/
212607ca46eSDavid Howells 	RTN_BLACKHOLE,		/* Drop				*/
213607ca46eSDavid Howells 	RTN_UNREACHABLE,	/* Destination is unreachable   */
214607ca46eSDavid Howells 	RTN_PROHIBIT,		/* Administratively prohibited	*/
215607ca46eSDavid Howells 	RTN_THROW,		/* Not in this table		*/
216607ca46eSDavid Howells 	RTN_NAT,		/* Translate this address	*/
217607ca46eSDavid Howells 	RTN_XRESOLVE,		/* Use external resolver	*/
218607ca46eSDavid Howells 	__RTN_MAX
219607ca46eSDavid Howells };
220607ca46eSDavid Howells 
221607ca46eSDavid Howells #define RTN_MAX (__RTN_MAX - 1)
222607ca46eSDavid Howells 
223607ca46eSDavid Howells 
224607ca46eSDavid Howells /* rtm_protocol */
225607ca46eSDavid Howells 
226607ca46eSDavid Howells #define RTPROT_UNSPEC	0
227607ca46eSDavid Howells #define RTPROT_REDIRECT	1	/* Route installed by ICMP redirects;
228607ca46eSDavid Howells 				   not used by current IPv4 */
229607ca46eSDavid Howells #define RTPROT_KERNEL	2	/* Route installed by kernel		*/
230607ca46eSDavid Howells #define RTPROT_BOOT	3	/* Route installed during boot		*/
231607ca46eSDavid Howells #define RTPROT_STATIC	4	/* Route installed by administrator	*/
232607ca46eSDavid Howells 
233607ca46eSDavid Howells /* Values of protocol >= RTPROT_STATIC are not interpreted by kernel;
234607ca46eSDavid Howells    they are just passed from user and back as is.
235607ca46eSDavid Howells    It will be used by hypothetical multiple routing daemons.
236607ca46eSDavid Howells    Note that protocol values should be standardized in order to
237607ca46eSDavid Howells    avoid conflicts.
238607ca46eSDavid Howells  */
239607ca46eSDavid Howells 
240607ca46eSDavid Howells #define RTPROT_GATED	8	/* Apparently, GateD */
241607ca46eSDavid Howells #define RTPROT_RA	9	/* RDISC/ND router advertisements */
242607ca46eSDavid Howells #define RTPROT_MRT	10	/* Merit MRT */
243607ca46eSDavid Howells #define RTPROT_ZEBRA	11	/* Zebra */
244607ca46eSDavid Howells #define RTPROT_BIRD	12	/* BIRD */
245607ca46eSDavid Howells #define RTPROT_DNROUTED	13	/* DECnet routing daemon */
246607ca46eSDavid Howells #define RTPROT_XORP	14	/* XORP */
247607ca46eSDavid Howells #define RTPROT_NTK	15	/* Netsukuku */
248607ca46eSDavid Howells #define RTPROT_DHCP	16      /* DHCP client */
2499a68ac72SNicolas Dichtel #define RTPROT_MROUTED	17      /* Multicast daemon */
250be955b29SDave Taht #define RTPROT_BABEL	42      /* Babel daemon */
251607ca46eSDavid Howells 
252607ca46eSDavid Howells /* rtm_scope
253607ca46eSDavid Howells 
254607ca46eSDavid Howells    Really it is not scope, but sort of distance to the destination.
255607ca46eSDavid Howells    NOWHERE are reserved for not existing destinations, HOST is our
256607ca46eSDavid Howells    local addresses, LINK are destinations, located on directly attached
257607ca46eSDavid Howells    link and UNIVERSE is everywhere in the Universe.
258607ca46eSDavid Howells 
259607ca46eSDavid Howells    Intermediate values are also possible f.e. interior routes
260607ca46eSDavid Howells    could be assigned a value between UNIVERSE and LINK.
261607ca46eSDavid Howells */
262607ca46eSDavid Howells 
263607ca46eSDavid Howells enum rt_scope_t {
264607ca46eSDavid Howells 	RT_SCOPE_UNIVERSE=0,
265607ca46eSDavid Howells /* User defined values  */
266607ca46eSDavid Howells 	RT_SCOPE_SITE=200,
267607ca46eSDavid Howells 	RT_SCOPE_LINK=253,
268607ca46eSDavid Howells 	RT_SCOPE_HOST=254,
269607ca46eSDavid Howells 	RT_SCOPE_NOWHERE=255
270607ca46eSDavid Howells };
271607ca46eSDavid Howells 
272607ca46eSDavid Howells /* rtm_flags */
273607ca46eSDavid Howells 
274607ca46eSDavid Howells #define RTM_F_NOTIFY		0x100	/* Notify user of route change	*/
275607ca46eSDavid Howells #define RTM_F_CLONED		0x200	/* This route is cloned		*/
276607ca46eSDavid Howells #define RTM_F_EQUALIZE		0x400	/* Multipath equalizer: NI	*/
277607ca46eSDavid Howells #define RTM_F_PREFIX		0x800	/* Prefix addresses		*/
278c36ba660SDavid Ahern #define RTM_F_LOOKUP_TABLE	0x1000	/* set rtm_table to FIB lookup result */
279607ca46eSDavid Howells 
280607ca46eSDavid Howells /* Reserved table identifiers */
281607ca46eSDavid Howells 
282607ca46eSDavid Howells enum rt_class_t {
283607ca46eSDavid Howells 	RT_TABLE_UNSPEC=0,
284607ca46eSDavid Howells /* User defined values */
285607ca46eSDavid Howells 	RT_TABLE_COMPAT=252,
286607ca46eSDavid Howells 	RT_TABLE_DEFAULT=253,
287607ca46eSDavid Howells 	RT_TABLE_MAIN=254,
288607ca46eSDavid Howells 	RT_TABLE_LOCAL=255,
289607ca46eSDavid Howells 	RT_TABLE_MAX=0xFFFFFFFF
290607ca46eSDavid Howells };
291607ca46eSDavid Howells 
292607ca46eSDavid Howells 
293607ca46eSDavid Howells /* Routing message attributes */
294607ca46eSDavid Howells 
295607ca46eSDavid Howells enum rtattr_type_t {
296607ca46eSDavid Howells 	RTA_UNSPEC,
297607ca46eSDavid Howells 	RTA_DST,
298607ca46eSDavid Howells 	RTA_SRC,
299607ca46eSDavid Howells 	RTA_IIF,
300607ca46eSDavid Howells 	RTA_OIF,
301607ca46eSDavid Howells 	RTA_GATEWAY,
302607ca46eSDavid Howells 	RTA_PRIORITY,
303607ca46eSDavid Howells 	RTA_PREFSRC,
304607ca46eSDavid Howells 	RTA_METRICS,
305607ca46eSDavid Howells 	RTA_MULTIPATH,
306607ca46eSDavid Howells 	RTA_PROTOINFO, /* no longer used */
307607ca46eSDavid Howells 	RTA_FLOW,
308607ca46eSDavid Howells 	RTA_CACHEINFO,
309607ca46eSDavid Howells 	RTA_SESSION, /* no longer used */
310607ca46eSDavid Howells 	RTA_MP_ALGO, /* no longer used */
311607ca46eSDavid Howells 	RTA_TABLE,
312607ca46eSDavid Howells 	RTA_MARK,
313adfa85e4SNicolas Dichtel 	RTA_MFC_STATS,
31403c05665SEric W. Biederman 	RTA_VIA,
31503c05665SEric W. Biederman 	RTA_NEWDST,
316c78ba6d6SLubomir Rintel 	RTA_PREF,
317a0d9a860SRoopa Prabhu 	RTA_ENCAP_TYPE,
318a0d9a860SRoopa Prabhu 	RTA_ENCAP,
31932bc201eSXin Long 	RTA_EXPIRES,
320a9a08042SNicolas Dichtel 	RTA_PAD,
321607ca46eSDavid Howells 	__RTA_MAX
322607ca46eSDavid Howells };
323607ca46eSDavid Howells 
324607ca46eSDavid Howells #define RTA_MAX (__RTA_MAX - 1)
325607ca46eSDavid Howells 
326607ca46eSDavid Howells #define RTM_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
327607ca46eSDavid Howells #define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
328607ca46eSDavid Howells 
329607ca46eSDavid Howells /* RTM_MULTIPATH --- array of struct rtnexthop.
330607ca46eSDavid Howells  *
331607ca46eSDavid Howells  * "struct rtnexthop" describes all necessary nexthop information,
332607ca46eSDavid Howells  * i.e. parameters of path to a destination via this nexthop.
333607ca46eSDavid Howells  *
334607ca46eSDavid Howells  * At the moment it is impossible to set different prefsrc, mtu, window
335607ca46eSDavid Howells  * and rtt for different paths from multipath.
336607ca46eSDavid Howells  */
337607ca46eSDavid Howells 
338607ca46eSDavid Howells struct rtnexthop {
339607ca46eSDavid Howells 	unsigned short		rtnh_len;
340607ca46eSDavid Howells 	unsigned char		rtnh_flags;
341607ca46eSDavid Howells 	unsigned char		rtnh_hops;
342607ca46eSDavid Howells 	int			rtnh_ifindex;
343607ca46eSDavid Howells };
344607ca46eSDavid Howells 
345607ca46eSDavid Howells /* rtnh_flags */
346607ca46eSDavid Howells 
347607ca46eSDavid Howells #define RTNH_F_DEAD		1	/* Nexthop is dead (used by multipath)	*/
348607ca46eSDavid Howells #define RTNH_F_PERVASIVE	2	/* Do recursive gateway lookup	*/
349607ca46eSDavid Howells #define RTNH_F_ONLINK		4	/* Gateway is forced on link	*/
350eea39946SRoopa Prabhu #define RTNH_F_OFFLOAD		8	/* offloaded route */
3518a3d0316SAndy Gospodarek #define RTNH_F_LINKDOWN		16	/* carrier-down on nexthop */
3528a3d0316SAndy Gospodarek 
3538a3d0316SAndy Gospodarek #define RTNH_COMPARE_MASK	(RTNH_F_DEAD | RTNH_F_LINKDOWN)
354607ca46eSDavid Howells 
355607ca46eSDavid Howells /* Macros to handle hexthops */
356607ca46eSDavid Howells 
357607ca46eSDavid Howells #define RTNH_ALIGNTO	4
358607ca46eSDavid Howells #define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
359607ca46eSDavid Howells #define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
360607ca46eSDavid Howells 			   ((int)(rtnh)->rtnh_len) <= (len))
361607ca46eSDavid Howells #define RTNH_NEXT(rtnh)	((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
362607ca46eSDavid Howells #define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
363607ca46eSDavid Howells #define RTNH_SPACE(len)	RTNH_ALIGN(RTNH_LENGTH(len))
364607ca46eSDavid Howells #define RTNH_DATA(rtnh)   ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0)))
365607ca46eSDavid Howells 
36603c05665SEric W. Biederman /* RTA_VIA */
36703c05665SEric W. Biederman struct rtvia {
36803c05665SEric W. Biederman 	__kernel_sa_family_t	rtvia_family;
36903c05665SEric W. Biederman 	__u8			rtvia_addr[0];
37003c05665SEric W. Biederman };
37103c05665SEric W. Biederman 
372607ca46eSDavid Howells /* RTM_CACHEINFO */
373607ca46eSDavid Howells 
374607ca46eSDavid Howells struct rta_cacheinfo {
375607ca46eSDavid Howells 	__u32	rta_clntref;
376607ca46eSDavid Howells 	__u32	rta_lastuse;
377607ca46eSDavid Howells 	__s32	rta_expires;
378607ca46eSDavid Howells 	__u32	rta_error;
379607ca46eSDavid Howells 	__u32	rta_used;
380607ca46eSDavid Howells 
381607ca46eSDavid Howells #define RTNETLINK_HAVE_PEERINFO 1
382607ca46eSDavid Howells 	__u32	rta_id;
383607ca46eSDavid Howells 	__u32	rta_ts;
384607ca46eSDavid Howells 	__u32	rta_tsage;
385607ca46eSDavid Howells };
386607ca46eSDavid Howells 
387607ca46eSDavid Howells /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
388607ca46eSDavid Howells 
389607ca46eSDavid Howells enum {
390607ca46eSDavid Howells 	RTAX_UNSPEC,
391607ca46eSDavid Howells #define RTAX_UNSPEC RTAX_UNSPEC
392607ca46eSDavid Howells 	RTAX_LOCK,
393607ca46eSDavid Howells #define RTAX_LOCK RTAX_LOCK
394607ca46eSDavid Howells 	RTAX_MTU,
395607ca46eSDavid Howells #define RTAX_MTU RTAX_MTU
396607ca46eSDavid Howells 	RTAX_WINDOW,
397607ca46eSDavid Howells #define RTAX_WINDOW RTAX_WINDOW
398607ca46eSDavid Howells 	RTAX_RTT,
399607ca46eSDavid Howells #define RTAX_RTT RTAX_RTT
400607ca46eSDavid Howells 	RTAX_RTTVAR,
401607ca46eSDavid Howells #define RTAX_RTTVAR RTAX_RTTVAR
402607ca46eSDavid Howells 	RTAX_SSTHRESH,
403607ca46eSDavid Howells #define RTAX_SSTHRESH RTAX_SSTHRESH
404607ca46eSDavid Howells 	RTAX_CWND,
405607ca46eSDavid Howells #define RTAX_CWND RTAX_CWND
406607ca46eSDavid Howells 	RTAX_ADVMSS,
407607ca46eSDavid Howells #define RTAX_ADVMSS RTAX_ADVMSS
408607ca46eSDavid Howells 	RTAX_REORDERING,
409607ca46eSDavid Howells #define RTAX_REORDERING RTAX_REORDERING
410607ca46eSDavid Howells 	RTAX_HOPLIMIT,
411607ca46eSDavid Howells #define RTAX_HOPLIMIT RTAX_HOPLIMIT
412607ca46eSDavid Howells 	RTAX_INITCWND,
413607ca46eSDavid Howells #define RTAX_INITCWND RTAX_INITCWND
414607ca46eSDavid Howells 	RTAX_FEATURES,
415607ca46eSDavid Howells #define RTAX_FEATURES RTAX_FEATURES
416607ca46eSDavid Howells 	RTAX_RTO_MIN,
417607ca46eSDavid Howells #define RTAX_RTO_MIN RTAX_RTO_MIN
418607ca46eSDavid Howells 	RTAX_INITRWND,
419607ca46eSDavid Howells #define RTAX_INITRWND RTAX_INITRWND
420bcefe17cSCong Wang 	RTAX_QUICKACK,
421bcefe17cSCong Wang #define RTAX_QUICKACK RTAX_QUICKACK
422ea697639SDaniel Borkmann 	RTAX_CC_ALGO,
423ea697639SDaniel Borkmann #define RTAX_CC_ALGO RTAX_CC_ALGO
424607ca46eSDavid Howells 	__RTAX_MAX
425607ca46eSDavid Howells };
426607ca46eSDavid Howells 
427607ca46eSDavid Howells #define RTAX_MAX (__RTAX_MAX - 1)
428607ca46eSDavid Howells 
429b8d3e416SDaniel Borkmann #define RTAX_FEATURE_ECN	(1 << 0)
430b8d3e416SDaniel Borkmann #define RTAX_FEATURE_SACK	(1 << 1)
431b8d3e416SDaniel Borkmann #define RTAX_FEATURE_TIMESTAMP	(1 << 2)
432b8d3e416SDaniel Borkmann #define RTAX_FEATURE_ALLFRAG	(1 << 3)
433b8d3e416SDaniel Borkmann 
434b8d3e416SDaniel Borkmann #define RTAX_FEATURE_MASK	(RTAX_FEATURE_ECN | RTAX_FEATURE_SACK | \
435b8d3e416SDaniel Borkmann 				 RTAX_FEATURE_TIMESTAMP | RTAX_FEATURE_ALLFRAG)
436607ca46eSDavid Howells 
437607ca46eSDavid Howells struct rta_session {
438607ca46eSDavid Howells 	__u8	proto;
439607ca46eSDavid Howells 	__u8	pad1;
440607ca46eSDavid Howells 	__u16	pad2;
441607ca46eSDavid Howells 
442607ca46eSDavid Howells 	union {
443607ca46eSDavid Howells 		struct {
444607ca46eSDavid Howells 			__u16	sport;
445607ca46eSDavid Howells 			__u16	dport;
446607ca46eSDavid Howells 		} ports;
447607ca46eSDavid Howells 
448607ca46eSDavid Howells 		struct {
449607ca46eSDavid Howells 			__u8	type;
450607ca46eSDavid Howells 			__u8	code;
451607ca46eSDavid Howells 			__u16	ident;
452607ca46eSDavid Howells 		} icmpt;
453607ca46eSDavid Howells 
454607ca46eSDavid Howells 		__u32		spi;
455607ca46eSDavid Howells 	} u;
456607ca46eSDavid Howells };
457607ca46eSDavid Howells 
458adfa85e4SNicolas Dichtel struct rta_mfc_stats {
459adfa85e4SNicolas Dichtel 	__u64	mfcs_packets;
460adfa85e4SNicolas Dichtel 	__u64	mfcs_bytes;
461adfa85e4SNicolas Dichtel 	__u64	mfcs_wrong_if;
462adfa85e4SNicolas Dichtel };
463adfa85e4SNicolas Dichtel 
464607ca46eSDavid Howells /****
465607ca46eSDavid Howells  *		General form of address family dependent message.
466607ca46eSDavid Howells  ****/
467607ca46eSDavid Howells 
468607ca46eSDavid Howells struct rtgenmsg {
469607ca46eSDavid Howells 	unsigned char		rtgen_family;
470607ca46eSDavid Howells };
471607ca46eSDavid Howells 
472607ca46eSDavid Howells /*****************************************************************
473607ca46eSDavid Howells  *		Link layer specific messages.
474607ca46eSDavid Howells  ****/
475607ca46eSDavid Howells 
476607ca46eSDavid Howells /* struct ifinfomsg
477607ca46eSDavid Howells  * passes link level specific information, not dependent
478607ca46eSDavid Howells  * on network protocol.
479607ca46eSDavid Howells  */
480607ca46eSDavid Howells 
481607ca46eSDavid Howells struct ifinfomsg {
482607ca46eSDavid Howells 	unsigned char	ifi_family;
483607ca46eSDavid Howells 	unsigned char	__ifi_pad;
484607ca46eSDavid Howells 	unsigned short	ifi_type;		/* ARPHRD_* */
485607ca46eSDavid Howells 	int		ifi_index;		/* Link index	*/
486607ca46eSDavid Howells 	unsigned	ifi_flags;		/* IFF_* flags	*/
487607ca46eSDavid Howells 	unsigned	ifi_change;		/* IFF_* change mask */
488607ca46eSDavid Howells };
489607ca46eSDavid Howells 
490607ca46eSDavid Howells /********************************************************************
491607ca46eSDavid Howells  *		prefix information
492607ca46eSDavid Howells  ****/
493607ca46eSDavid Howells 
494607ca46eSDavid Howells struct prefixmsg {
495607ca46eSDavid Howells 	unsigned char	prefix_family;
496607ca46eSDavid Howells 	unsigned char	prefix_pad1;
497607ca46eSDavid Howells 	unsigned short	prefix_pad2;
498607ca46eSDavid Howells 	int		prefix_ifindex;
499607ca46eSDavid Howells 	unsigned char	prefix_type;
500607ca46eSDavid Howells 	unsigned char	prefix_len;
501607ca46eSDavid Howells 	unsigned char	prefix_flags;
502607ca46eSDavid Howells 	unsigned char	prefix_pad3;
503607ca46eSDavid Howells };
504607ca46eSDavid Howells 
505607ca46eSDavid Howells enum
506607ca46eSDavid Howells {
507607ca46eSDavid Howells 	PREFIX_UNSPEC,
508607ca46eSDavid Howells 	PREFIX_ADDRESS,
509607ca46eSDavid Howells 	PREFIX_CACHEINFO,
510607ca46eSDavid Howells 	__PREFIX_MAX
511607ca46eSDavid Howells };
512607ca46eSDavid Howells 
513607ca46eSDavid Howells #define PREFIX_MAX	(__PREFIX_MAX - 1)
514607ca46eSDavid Howells 
515607ca46eSDavid Howells struct prefix_cacheinfo {
516607ca46eSDavid Howells 	__u32	preferred_time;
517607ca46eSDavid Howells 	__u32	valid_time;
518607ca46eSDavid Howells };
519607ca46eSDavid Howells 
520607ca46eSDavid Howells 
521607ca46eSDavid Howells /*****************************************************************
522607ca46eSDavid Howells  *		Traffic control messages.
523607ca46eSDavid Howells  ****/
524607ca46eSDavid Howells 
525607ca46eSDavid Howells struct tcmsg {
526607ca46eSDavid Howells 	unsigned char	tcm_family;
527607ca46eSDavid Howells 	unsigned char	tcm__pad1;
528607ca46eSDavid Howells 	unsigned short	tcm__pad2;
529607ca46eSDavid Howells 	int		tcm_ifindex;
530607ca46eSDavid Howells 	__u32		tcm_handle;
531607ca46eSDavid Howells 	__u32		tcm_parent;
532607ca46eSDavid Howells 	__u32		tcm_info;
533607ca46eSDavid Howells };
534607ca46eSDavid Howells 
535607ca46eSDavid Howells enum {
536607ca46eSDavid Howells 	TCA_UNSPEC,
537607ca46eSDavid Howells 	TCA_KIND,
538607ca46eSDavid Howells 	TCA_OPTIONS,
539607ca46eSDavid Howells 	TCA_STATS,
540607ca46eSDavid Howells 	TCA_XSTATS,
541607ca46eSDavid Howells 	TCA_RATE,
542607ca46eSDavid Howells 	TCA_FCNT,
543607ca46eSDavid Howells 	TCA_STATS2,
544607ca46eSDavid Howells 	TCA_STAB,
5459854518eSNicolas Dichtel 	TCA_PAD,
546607ca46eSDavid Howells 	__TCA_MAX
547607ca46eSDavid Howells };
548607ca46eSDavid Howells 
549607ca46eSDavid Howells #define TCA_MAX (__TCA_MAX - 1)
550607ca46eSDavid Howells 
551607ca46eSDavid Howells #define TCA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
552607ca46eSDavid Howells #define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
553607ca46eSDavid Howells 
554607ca46eSDavid Howells /********************************************************************
555607ca46eSDavid Howells  *		Neighbor Discovery userland options
556607ca46eSDavid Howells  ****/
557607ca46eSDavid Howells 
558607ca46eSDavid Howells struct nduseroptmsg {
559607ca46eSDavid Howells 	unsigned char	nduseropt_family;
560607ca46eSDavid Howells 	unsigned char	nduseropt_pad1;
561607ca46eSDavid Howells 	unsigned short	nduseropt_opts_len;	/* Total length of options */
562607ca46eSDavid Howells 	int		nduseropt_ifindex;
563607ca46eSDavid Howells 	__u8		nduseropt_icmp_type;
564607ca46eSDavid Howells 	__u8		nduseropt_icmp_code;
565607ca46eSDavid Howells 	unsigned short	nduseropt_pad2;
566607ca46eSDavid Howells 	unsigned int	nduseropt_pad3;
567607ca46eSDavid Howells 	/* Followed by one or more ND options */
568607ca46eSDavid Howells };
569607ca46eSDavid Howells 
570607ca46eSDavid Howells enum {
571607ca46eSDavid Howells 	NDUSEROPT_UNSPEC,
572607ca46eSDavid Howells 	NDUSEROPT_SRCADDR,
573607ca46eSDavid Howells 	__NDUSEROPT_MAX
574607ca46eSDavid Howells };
575607ca46eSDavid Howells 
576607ca46eSDavid Howells #define NDUSEROPT_MAX	(__NDUSEROPT_MAX - 1)
577607ca46eSDavid Howells 
578607ca46eSDavid Howells #ifndef __KERNEL__
579607ca46eSDavid Howells /* RTnetlink multicast groups - backwards compatibility for userspace */
580607ca46eSDavid Howells #define RTMGRP_LINK		1
581607ca46eSDavid Howells #define RTMGRP_NOTIFY		2
582607ca46eSDavid Howells #define RTMGRP_NEIGH		4
583607ca46eSDavid Howells #define RTMGRP_TC		8
584607ca46eSDavid Howells 
585607ca46eSDavid Howells #define RTMGRP_IPV4_IFADDR	0x10
586607ca46eSDavid Howells #define RTMGRP_IPV4_MROUTE	0x20
587607ca46eSDavid Howells #define RTMGRP_IPV4_ROUTE	0x40
588607ca46eSDavid Howells #define RTMGRP_IPV4_RULE	0x80
589607ca46eSDavid Howells 
590607ca46eSDavid Howells #define RTMGRP_IPV6_IFADDR	0x100
591607ca46eSDavid Howells #define RTMGRP_IPV6_MROUTE	0x200
592607ca46eSDavid Howells #define RTMGRP_IPV6_ROUTE	0x400
593607ca46eSDavid Howells #define RTMGRP_IPV6_IFINFO	0x800
594607ca46eSDavid Howells 
595607ca46eSDavid Howells #define RTMGRP_DECnet_IFADDR    0x1000
596607ca46eSDavid Howells #define RTMGRP_DECnet_ROUTE     0x4000
597607ca46eSDavid Howells 
598607ca46eSDavid Howells #define RTMGRP_IPV6_PREFIX	0x20000
599607ca46eSDavid Howells #endif
600607ca46eSDavid Howells 
601607ca46eSDavid Howells /* RTnetlink multicast groups */
602607ca46eSDavid Howells enum rtnetlink_groups {
603607ca46eSDavid Howells 	RTNLGRP_NONE,
604607ca46eSDavid Howells #define RTNLGRP_NONE		RTNLGRP_NONE
605607ca46eSDavid Howells 	RTNLGRP_LINK,
606607ca46eSDavid Howells #define RTNLGRP_LINK		RTNLGRP_LINK
607607ca46eSDavid Howells 	RTNLGRP_NOTIFY,
608607ca46eSDavid Howells #define RTNLGRP_NOTIFY		RTNLGRP_NOTIFY
609607ca46eSDavid Howells 	RTNLGRP_NEIGH,
610607ca46eSDavid Howells #define RTNLGRP_NEIGH		RTNLGRP_NEIGH
611607ca46eSDavid Howells 	RTNLGRP_TC,
612607ca46eSDavid Howells #define RTNLGRP_TC		RTNLGRP_TC
613607ca46eSDavid Howells 	RTNLGRP_IPV4_IFADDR,
614607ca46eSDavid Howells #define RTNLGRP_IPV4_IFADDR	RTNLGRP_IPV4_IFADDR
615607ca46eSDavid Howells 	RTNLGRP_IPV4_MROUTE,
616607ca46eSDavid Howells #define	RTNLGRP_IPV4_MROUTE	RTNLGRP_IPV4_MROUTE
617607ca46eSDavid Howells 	RTNLGRP_IPV4_ROUTE,
618607ca46eSDavid Howells #define RTNLGRP_IPV4_ROUTE	RTNLGRP_IPV4_ROUTE
619607ca46eSDavid Howells 	RTNLGRP_IPV4_RULE,
620607ca46eSDavid Howells #define RTNLGRP_IPV4_RULE	RTNLGRP_IPV4_RULE
621607ca46eSDavid Howells 	RTNLGRP_IPV6_IFADDR,
622607ca46eSDavid Howells #define RTNLGRP_IPV6_IFADDR	RTNLGRP_IPV6_IFADDR
623607ca46eSDavid Howells 	RTNLGRP_IPV6_MROUTE,
624607ca46eSDavid Howells #define RTNLGRP_IPV6_MROUTE	RTNLGRP_IPV6_MROUTE
625607ca46eSDavid Howells 	RTNLGRP_IPV6_ROUTE,
626607ca46eSDavid Howells #define RTNLGRP_IPV6_ROUTE	RTNLGRP_IPV6_ROUTE
627607ca46eSDavid Howells 	RTNLGRP_IPV6_IFINFO,
628607ca46eSDavid Howells #define RTNLGRP_IPV6_IFINFO	RTNLGRP_IPV6_IFINFO
629607ca46eSDavid Howells 	RTNLGRP_DECnet_IFADDR,
630607ca46eSDavid Howells #define RTNLGRP_DECnet_IFADDR	RTNLGRP_DECnet_IFADDR
631607ca46eSDavid Howells 	RTNLGRP_NOP2,
632607ca46eSDavid Howells 	RTNLGRP_DECnet_ROUTE,
633607ca46eSDavid Howells #define RTNLGRP_DECnet_ROUTE	RTNLGRP_DECnet_ROUTE
634607ca46eSDavid Howells 	RTNLGRP_DECnet_RULE,
635607ca46eSDavid Howells #define RTNLGRP_DECnet_RULE	RTNLGRP_DECnet_RULE
636607ca46eSDavid Howells 	RTNLGRP_NOP4,
637607ca46eSDavid Howells 	RTNLGRP_IPV6_PREFIX,
638607ca46eSDavid Howells #define RTNLGRP_IPV6_PREFIX	RTNLGRP_IPV6_PREFIX
639607ca46eSDavid Howells 	RTNLGRP_IPV6_RULE,
640607ca46eSDavid Howells #define RTNLGRP_IPV6_RULE	RTNLGRP_IPV6_RULE
641607ca46eSDavid Howells 	RTNLGRP_ND_USEROPT,
642607ca46eSDavid Howells #define RTNLGRP_ND_USEROPT	RTNLGRP_ND_USEROPT
643607ca46eSDavid Howells 	RTNLGRP_PHONET_IFADDR,
644607ca46eSDavid Howells #define RTNLGRP_PHONET_IFADDR	RTNLGRP_PHONET_IFADDR
645607ca46eSDavid Howells 	RTNLGRP_PHONET_ROUTE,
646607ca46eSDavid Howells #define RTNLGRP_PHONET_ROUTE	RTNLGRP_PHONET_ROUTE
647607ca46eSDavid Howells 	RTNLGRP_DCB,
648607ca46eSDavid Howells #define RTNLGRP_DCB		RTNLGRP_DCB
649edc9e748SNicolas Dichtel 	RTNLGRP_IPV4_NETCONF,
650edc9e748SNicolas Dichtel #define RTNLGRP_IPV4_NETCONF	RTNLGRP_IPV4_NETCONF
651f3a1bfb1SNicolas Dichtel 	RTNLGRP_IPV6_NETCONF,
652f3a1bfb1SNicolas Dichtel #define RTNLGRP_IPV6_NETCONF	RTNLGRP_IPV6_NETCONF
65337a393bcSCong Wang 	RTNLGRP_MDB,
65437a393bcSCong Wang #define RTNLGRP_MDB		RTNLGRP_MDB
6558de147dcSEric W. Biederman 	RTNLGRP_MPLS_ROUTE,
6568de147dcSEric W. Biederman #define RTNLGRP_MPLS_ROUTE	RTNLGRP_MPLS_ROUTE
6579a963454SNicolas Dichtel 	RTNLGRP_NSID,
6589a963454SNicolas Dichtel #define RTNLGRP_NSID		RTNLGRP_NSID
659607ca46eSDavid Howells 	__RTNLGRP_MAX
660607ca46eSDavid Howells };
661607ca46eSDavid Howells #define RTNLGRP_MAX	(__RTNLGRP_MAX - 1)
662607ca46eSDavid Howells 
663607ca46eSDavid Howells /* TC action piece */
664607ca46eSDavid Howells struct tcamsg {
665607ca46eSDavid Howells 	unsigned char	tca_family;
666607ca46eSDavid Howells 	unsigned char	tca__pad1;
667607ca46eSDavid Howells 	unsigned short	tca__pad2;
668607ca46eSDavid Howells };
669607ca46eSDavid Howells #define TA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
670607ca46eSDavid Howells #define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
671607ca46eSDavid Howells #define TCA_ACT_TAB 1 /* attr type must be >=1 */
672607ca46eSDavid Howells #define TCAA_MAX 1
673607ca46eSDavid Howells 
674607ca46eSDavid Howells /* New extended info filters for IFLA_EXT_MASK */
675607ca46eSDavid Howells #define RTEXT_FILTER_VF		(1 << 0)
6766cbdceebSVlad Yasevich #define RTEXT_FILTER_BRVLAN	(1 << 1)
67735a27ceeSRoopa Prabhu #define RTEXT_FILTER_BRVLAN_COMPRESSED	(1 << 2)
678d5566fd7SSowmini Varadhan #define	RTEXT_FILTER_SKIP_STATS	(1 << 3)
679607ca46eSDavid Howells 
680607ca46eSDavid Howells /* End of information exported to user level */
681607ca46eSDavid Howells 
682607ca46eSDavid Howells 
683607ca46eSDavid Howells 
684607ca46eSDavid Howells #endif /* _UAPI__LINUX_RTNETLINK_H */
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