xref: /openbmc/linux/include/uapi/linux/rtnetlink.h (revision 10c9ead9)
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,
320607ca46eSDavid Howells 	__RTA_MAX
321607ca46eSDavid Howells };
322607ca46eSDavid Howells 
323607ca46eSDavid Howells #define RTA_MAX (__RTA_MAX - 1)
324607ca46eSDavid Howells 
325607ca46eSDavid Howells #define RTM_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct rtmsg))))
326607ca46eSDavid Howells #define RTM_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct rtmsg))
327607ca46eSDavid Howells 
328607ca46eSDavid Howells /* RTM_MULTIPATH --- array of struct rtnexthop.
329607ca46eSDavid Howells  *
330607ca46eSDavid Howells  * "struct rtnexthop" describes all necessary nexthop information,
331607ca46eSDavid Howells  * i.e. parameters of path to a destination via this nexthop.
332607ca46eSDavid Howells  *
333607ca46eSDavid Howells  * At the moment it is impossible to set different prefsrc, mtu, window
334607ca46eSDavid Howells  * and rtt for different paths from multipath.
335607ca46eSDavid Howells  */
336607ca46eSDavid Howells 
337607ca46eSDavid Howells struct rtnexthop {
338607ca46eSDavid Howells 	unsigned short		rtnh_len;
339607ca46eSDavid Howells 	unsigned char		rtnh_flags;
340607ca46eSDavid Howells 	unsigned char		rtnh_hops;
341607ca46eSDavid Howells 	int			rtnh_ifindex;
342607ca46eSDavid Howells };
343607ca46eSDavid Howells 
344607ca46eSDavid Howells /* rtnh_flags */
345607ca46eSDavid Howells 
346607ca46eSDavid Howells #define RTNH_F_DEAD		1	/* Nexthop is dead (used by multipath)	*/
347607ca46eSDavid Howells #define RTNH_F_PERVASIVE	2	/* Do recursive gateway lookup	*/
348607ca46eSDavid Howells #define RTNH_F_ONLINK		4	/* Gateway is forced on link	*/
349eea39946SRoopa Prabhu #define RTNH_F_OFFLOAD		8	/* offloaded route */
3508a3d0316SAndy Gospodarek #define RTNH_F_LINKDOWN		16	/* carrier-down on nexthop */
3518a3d0316SAndy Gospodarek 
3528a3d0316SAndy Gospodarek #define RTNH_COMPARE_MASK	(RTNH_F_DEAD | RTNH_F_LINKDOWN)
353607ca46eSDavid Howells 
354607ca46eSDavid Howells /* Macros to handle hexthops */
355607ca46eSDavid Howells 
356607ca46eSDavid Howells #define RTNH_ALIGNTO	4
357607ca46eSDavid Howells #define RTNH_ALIGN(len) ( ((len)+RTNH_ALIGNTO-1) & ~(RTNH_ALIGNTO-1) )
358607ca46eSDavid Howells #define RTNH_OK(rtnh,len) ((rtnh)->rtnh_len >= sizeof(struct rtnexthop) && \
359607ca46eSDavid Howells 			   ((int)(rtnh)->rtnh_len) <= (len))
360607ca46eSDavid Howells #define RTNH_NEXT(rtnh)	((struct rtnexthop*)(((char*)(rtnh)) + RTNH_ALIGN((rtnh)->rtnh_len)))
361607ca46eSDavid Howells #define RTNH_LENGTH(len) (RTNH_ALIGN(sizeof(struct rtnexthop)) + (len))
362607ca46eSDavid Howells #define RTNH_SPACE(len)	RTNH_ALIGN(RTNH_LENGTH(len))
363607ca46eSDavid Howells #define RTNH_DATA(rtnh)   ((struct rtattr*)(((char*)(rtnh)) + RTNH_LENGTH(0)))
364607ca46eSDavid Howells 
36503c05665SEric W. Biederman /* RTA_VIA */
36603c05665SEric W. Biederman struct rtvia {
36703c05665SEric W. Biederman 	__kernel_sa_family_t	rtvia_family;
36803c05665SEric W. Biederman 	__u8			rtvia_addr[0];
36903c05665SEric W. Biederman };
37003c05665SEric W. Biederman 
371607ca46eSDavid Howells /* RTM_CACHEINFO */
372607ca46eSDavid Howells 
373607ca46eSDavid Howells struct rta_cacheinfo {
374607ca46eSDavid Howells 	__u32	rta_clntref;
375607ca46eSDavid Howells 	__u32	rta_lastuse;
376607ca46eSDavid Howells 	__s32	rta_expires;
377607ca46eSDavid Howells 	__u32	rta_error;
378607ca46eSDavid Howells 	__u32	rta_used;
379607ca46eSDavid Howells 
380607ca46eSDavid Howells #define RTNETLINK_HAVE_PEERINFO 1
381607ca46eSDavid Howells 	__u32	rta_id;
382607ca46eSDavid Howells 	__u32	rta_ts;
383607ca46eSDavid Howells 	__u32	rta_tsage;
384607ca46eSDavid Howells };
385607ca46eSDavid Howells 
386607ca46eSDavid Howells /* RTM_METRICS --- array of struct rtattr with types of RTAX_* */
387607ca46eSDavid Howells 
388607ca46eSDavid Howells enum {
389607ca46eSDavid Howells 	RTAX_UNSPEC,
390607ca46eSDavid Howells #define RTAX_UNSPEC RTAX_UNSPEC
391607ca46eSDavid Howells 	RTAX_LOCK,
392607ca46eSDavid Howells #define RTAX_LOCK RTAX_LOCK
393607ca46eSDavid Howells 	RTAX_MTU,
394607ca46eSDavid Howells #define RTAX_MTU RTAX_MTU
395607ca46eSDavid Howells 	RTAX_WINDOW,
396607ca46eSDavid Howells #define RTAX_WINDOW RTAX_WINDOW
397607ca46eSDavid Howells 	RTAX_RTT,
398607ca46eSDavid Howells #define RTAX_RTT RTAX_RTT
399607ca46eSDavid Howells 	RTAX_RTTVAR,
400607ca46eSDavid Howells #define RTAX_RTTVAR RTAX_RTTVAR
401607ca46eSDavid Howells 	RTAX_SSTHRESH,
402607ca46eSDavid Howells #define RTAX_SSTHRESH RTAX_SSTHRESH
403607ca46eSDavid Howells 	RTAX_CWND,
404607ca46eSDavid Howells #define RTAX_CWND RTAX_CWND
405607ca46eSDavid Howells 	RTAX_ADVMSS,
406607ca46eSDavid Howells #define RTAX_ADVMSS RTAX_ADVMSS
407607ca46eSDavid Howells 	RTAX_REORDERING,
408607ca46eSDavid Howells #define RTAX_REORDERING RTAX_REORDERING
409607ca46eSDavid Howells 	RTAX_HOPLIMIT,
410607ca46eSDavid Howells #define RTAX_HOPLIMIT RTAX_HOPLIMIT
411607ca46eSDavid Howells 	RTAX_INITCWND,
412607ca46eSDavid Howells #define RTAX_INITCWND RTAX_INITCWND
413607ca46eSDavid Howells 	RTAX_FEATURES,
414607ca46eSDavid Howells #define RTAX_FEATURES RTAX_FEATURES
415607ca46eSDavid Howells 	RTAX_RTO_MIN,
416607ca46eSDavid Howells #define RTAX_RTO_MIN RTAX_RTO_MIN
417607ca46eSDavid Howells 	RTAX_INITRWND,
418607ca46eSDavid Howells #define RTAX_INITRWND RTAX_INITRWND
419bcefe17cSCong Wang 	RTAX_QUICKACK,
420bcefe17cSCong Wang #define RTAX_QUICKACK RTAX_QUICKACK
421ea697639SDaniel Borkmann 	RTAX_CC_ALGO,
422ea697639SDaniel Borkmann #define RTAX_CC_ALGO RTAX_CC_ALGO
423607ca46eSDavid Howells 	__RTAX_MAX
424607ca46eSDavid Howells };
425607ca46eSDavid Howells 
426607ca46eSDavid Howells #define RTAX_MAX (__RTAX_MAX - 1)
427607ca46eSDavid Howells 
428b8d3e416SDaniel Borkmann #define RTAX_FEATURE_ECN	(1 << 0)
429b8d3e416SDaniel Borkmann #define RTAX_FEATURE_SACK	(1 << 1)
430b8d3e416SDaniel Borkmann #define RTAX_FEATURE_TIMESTAMP	(1 << 2)
431b8d3e416SDaniel Borkmann #define RTAX_FEATURE_ALLFRAG	(1 << 3)
432b8d3e416SDaniel Borkmann 
433b8d3e416SDaniel Borkmann #define RTAX_FEATURE_MASK	(RTAX_FEATURE_ECN | RTAX_FEATURE_SACK | \
434b8d3e416SDaniel Borkmann 				 RTAX_FEATURE_TIMESTAMP | RTAX_FEATURE_ALLFRAG)
435607ca46eSDavid Howells 
436607ca46eSDavid Howells struct rta_session {
437607ca46eSDavid Howells 	__u8	proto;
438607ca46eSDavid Howells 	__u8	pad1;
439607ca46eSDavid Howells 	__u16	pad2;
440607ca46eSDavid Howells 
441607ca46eSDavid Howells 	union {
442607ca46eSDavid Howells 		struct {
443607ca46eSDavid Howells 			__u16	sport;
444607ca46eSDavid Howells 			__u16	dport;
445607ca46eSDavid Howells 		} ports;
446607ca46eSDavid Howells 
447607ca46eSDavid Howells 		struct {
448607ca46eSDavid Howells 			__u8	type;
449607ca46eSDavid Howells 			__u8	code;
450607ca46eSDavid Howells 			__u16	ident;
451607ca46eSDavid Howells 		} icmpt;
452607ca46eSDavid Howells 
453607ca46eSDavid Howells 		__u32		spi;
454607ca46eSDavid Howells 	} u;
455607ca46eSDavid Howells };
456607ca46eSDavid Howells 
457adfa85e4SNicolas Dichtel struct rta_mfc_stats {
458adfa85e4SNicolas Dichtel 	__u64	mfcs_packets;
459adfa85e4SNicolas Dichtel 	__u64	mfcs_bytes;
460adfa85e4SNicolas Dichtel 	__u64	mfcs_wrong_if;
461adfa85e4SNicolas Dichtel };
462adfa85e4SNicolas Dichtel 
463607ca46eSDavid Howells /****
464607ca46eSDavid Howells  *		General form of address family dependent message.
465607ca46eSDavid Howells  ****/
466607ca46eSDavid Howells 
467607ca46eSDavid Howells struct rtgenmsg {
468607ca46eSDavid Howells 	unsigned char		rtgen_family;
469607ca46eSDavid Howells };
470607ca46eSDavid Howells 
471607ca46eSDavid Howells /*****************************************************************
472607ca46eSDavid Howells  *		Link layer specific messages.
473607ca46eSDavid Howells  ****/
474607ca46eSDavid Howells 
475607ca46eSDavid Howells /* struct ifinfomsg
476607ca46eSDavid Howells  * passes link level specific information, not dependent
477607ca46eSDavid Howells  * on network protocol.
478607ca46eSDavid Howells  */
479607ca46eSDavid Howells 
480607ca46eSDavid Howells struct ifinfomsg {
481607ca46eSDavid Howells 	unsigned char	ifi_family;
482607ca46eSDavid Howells 	unsigned char	__ifi_pad;
483607ca46eSDavid Howells 	unsigned short	ifi_type;		/* ARPHRD_* */
484607ca46eSDavid Howells 	int		ifi_index;		/* Link index	*/
485607ca46eSDavid Howells 	unsigned	ifi_flags;		/* IFF_* flags	*/
486607ca46eSDavid Howells 	unsigned	ifi_change;		/* IFF_* change mask */
487607ca46eSDavid Howells };
488607ca46eSDavid Howells 
489607ca46eSDavid Howells /********************************************************************
490607ca46eSDavid Howells  *		prefix information
491607ca46eSDavid Howells  ****/
492607ca46eSDavid Howells 
493607ca46eSDavid Howells struct prefixmsg {
494607ca46eSDavid Howells 	unsigned char	prefix_family;
495607ca46eSDavid Howells 	unsigned char	prefix_pad1;
496607ca46eSDavid Howells 	unsigned short	prefix_pad2;
497607ca46eSDavid Howells 	int		prefix_ifindex;
498607ca46eSDavid Howells 	unsigned char	prefix_type;
499607ca46eSDavid Howells 	unsigned char	prefix_len;
500607ca46eSDavid Howells 	unsigned char	prefix_flags;
501607ca46eSDavid Howells 	unsigned char	prefix_pad3;
502607ca46eSDavid Howells };
503607ca46eSDavid Howells 
504607ca46eSDavid Howells enum
505607ca46eSDavid Howells {
506607ca46eSDavid Howells 	PREFIX_UNSPEC,
507607ca46eSDavid Howells 	PREFIX_ADDRESS,
508607ca46eSDavid Howells 	PREFIX_CACHEINFO,
509607ca46eSDavid Howells 	__PREFIX_MAX
510607ca46eSDavid Howells };
511607ca46eSDavid Howells 
512607ca46eSDavid Howells #define PREFIX_MAX	(__PREFIX_MAX - 1)
513607ca46eSDavid Howells 
514607ca46eSDavid Howells struct prefix_cacheinfo {
515607ca46eSDavid Howells 	__u32	preferred_time;
516607ca46eSDavid Howells 	__u32	valid_time;
517607ca46eSDavid Howells };
518607ca46eSDavid Howells 
519607ca46eSDavid Howells 
520607ca46eSDavid Howells /*****************************************************************
521607ca46eSDavid Howells  *		Traffic control messages.
522607ca46eSDavid Howells  ****/
523607ca46eSDavid Howells 
524607ca46eSDavid Howells struct tcmsg {
525607ca46eSDavid Howells 	unsigned char	tcm_family;
526607ca46eSDavid Howells 	unsigned char	tcm__pad1;
527607ca46eSDavid Howells 	unsigned short	tcm__pad2;
528607ca46eSDavid Howells 	int		tcm_ifindex;
529607ca46eSDavid Howells 	__u32		tcm_handle;
530607ca46eSDavid Howells 	__u32		tcm_parent;
531607ca46eSDavid Howells 	__u32		tcm_info;
532607ca46eSDavid Howells };
533607ca46eSDavid Howells 
534607ca46eSDavid Howells enum {
535607ca46eSDavid Howells 	TCA_UNSPEC,
536607ca46eSDavid Howells 	TCA_KIND,
537607ca46eSDavid Howells 	TCA_OPTIONS,
538607ca46eSDavid Howells 	TCA_STATS,
539607ca46eSDavid Howells 	TCA_XSTATS,
540607ca46eSDavid Howells 	TCA_RATE,
541607ca46eSDavid Howells 	TCA_FCNT,
542607ca46eSDavid Howells 	TCA_STATS2,
543607ca46eSDavid Howells 	TCA_STAB,
544607ca46eSDavid Howells 	__TCA_MAX
545607ca46eSDavid Howells };
546607ca46eSDavid Howells 
547607ca46eSDavid Howells #define TCA_MAX (__TCA_MAX - 1)
548607ca46eSDavid Howells 
549607ca46eSDavid Howells #define TCA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcmsg))))
550607ca46eSDavid Howells #define TCA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcmsg))
551607ca46eSDavid Howells 
552607ca46eSDavid Howells /********************************************************************
553607ca46eSDavid Howells  *		Neighbor Discovery userland options
554607ca46eSDavid Howells  ****/
555607ca46eSDavid Howells 
556607ca46eSDavid Howells struct nduseroptmsg {
557607ca46eSDavid Howells 	unsigned char	nduseropt_family;
558607ca46eSDavid Howells 	unsigned char	nduseropt_pad1;
559607ca46eSDavid Howells 	unsigned short	nduseropt_opts_len;	/* Total length of options */
560607ca46eSDavid Howells 	int		nduseropt_ifindex;
561607ca46eSDavid Howells 	__u8		nduseropt_icmp_type;
562607ca46eSDavid Howells 	__u8		nduseropt_icmp_code;
563607ca46eSDavid Howells 	unsigned short	nduseropt_pad2;
564607ca46eSDavid Howells 	unsigned int	nduseropt_pad3;
565607ca46eSDavid Howells 	/* Followed by one or more ND options */
566607ca46eSDavid Howells };
567607ca46eSDavid Howells 
568607ca46eSDavid Howells enum {
569607ca46eSDavid Howells 	NDUSEROPT_UNSPEC,
570607ca46eSDavid Howells 	NDUSEROPT_SRCADDR,
571607ca46eSDavid Howells 	__NDUSEROPT_MAX
572607ca46eSDavid Howells };
573607ca46eSDavid Howells 
574607ca46eSDavid Howells #define NDUSEROPT_MAX	(__NDUSEROPT_MAX - 1)
575607ca46eSDavid Howells 
576607ca46eSDavid Howells #ifndef __KERNEL__
577607ca46eSDavid Howells /* RTnetlink multicast groups - backwards compatibility for userspace */
578607ca46eSDavid Howells #define RTMGRP_LINK		1
579607ca46eSDavid Howells #define RTMGRP_NOTIFY		2
580607ca46eSDavid Howells #define RTMGRP_NEIGH		4
581607ca46eSDavid Howells #define RTMGRP_TC		8
582607ca46eSDavid Howells 
583607ca46eSDavid Howells #define RTMGRP_IPV4_IFADDR	0x10
584607ca46eSDavid Howells #define RTMGRP_IPV4_MROUTE	0x20
585607ca46eSDavid Howells #define RTMGRP_IPV4_ROUTE	0x40
586607ca46eSDavid Howells #define RTMGRP_IPV4_RULE	0x80
587607ca46eSDavid Howells 
588607ca46eSDavid Howells #define RTMGRP_IPV6_IFADDR	0x100
589607ca46eSDavid Howells #define RTMGRP_IPV6_MROUTE	0x200
590607ca46eSDavid Howells #define RTMGRP_IPV6_ROUTE	0x400
591607ca46eSDavid Howells #define RTMGRP_IPV6_IFINFO	0x800
592607ca46eSDavid Howells 
593607ca46eSDavid Howells #define RTMGRP_DECnet_IFADDR    0x1000
594607ca46eSDavid Howells #define RTMGRP_DECnet_ROUTE     0x4000
595607ca46eSDavid Howells 
596607ca46eSDavid Howells #define RTMGRP_IPV6_PREFIX	0x20000
597607ca46eSDavid Howells #endif
598607ca46eSDavid Howells 
599607ca46eSDavid Howells /* RTnetlink multicast groups */
600607ca46eSDavid Howells enum rtnetlink_groups {
601607ca46eSDavid Howells 	RTNLGRP_NONE,
602607ca46eSDavid Howells #define RTNLGRP_NONE		RTNLGRP_NONE
603607ca46eSDavid Howells 	RTNLGRP_LINK,
604607ca46eSDavid Howells #define RTNLGRP_LINK		RTNLGRP_LINK
605607ca46eSDavid Howells 	RTNLGRP_NOTIFY,
606607ca46eSDavid Howells #define RTNLGRP_NOTIFY		RTNLGRP_NOTIFY
607607ca46eSDavid Howells 	RTNLGRP_NEIGH,
608607ca46eSDavid Howells #define RTNLGRP_NEIGH		RTNLGRP_NEIGH
609607ca46eSDavid Howells 	RTNLGRP_TC,
610607ca46eSDavid Howells #define RTNLGRP_TC		RTNLGRP_TC
611607ca46eSDavid Howells 	RTNLGRP_IPV4_IFADDR,
612607ca46eSDavid Howells #define RTNLGRP_IPV4_IFADDR	RTNLGRP_IPV4_IFADDR
613607ca46eSDavid Howells 	RTNLGRP_IPV4_MROUTE,
614607ca46eSDavid Howells #define	RTNLGRP_IPV4_MROUTE	RTNLGRP_IPV4_MROUTE
615607ca46eSDavid Howells 	RTNLGRP_IPV4_ROUTE,
616607ca46eSDavid Howells #define RTNLGRP_IPV4_ROUTE	RTNLGRP_IPV4_ROUTE
617607ca46eSDavid Howells 	RTNLGRP_IPV4_RULE,
618607ca46eSDavid Howells #define RTNLGRP_IPV4_RULE	RTNLGRP_IPV4_RULE
619607ca46eSDavid Howells 	RTNLGRP_IPV6_IFADDR,
620607ca46eSDavid Howells #define RTNLGRP_IPV6_IFADDR	RTNLGRP_IPV6_IFADDR
621607ca46eSDavid Howells 	RTNLGRP_IPV6_MROUTE,
622607ca46eSDavid Howells #define RTNLGRP_IPV6_MROUTE	RTNLGRP_IPV6_MROUTE
623607ca46eSDavid Howells 	RTNLGRP_IPV6_ROUTE,
624607ca46eSDavid Howells #define RTNLGRP_IPV6_ROUTE	RTNLGRP_IPV6_ROUTE
625607ca46eSDavid Howells 	RTNLGRP_IPV6_IFINFO,
626607ca46eSDavid Howells #define RTNLGRP_IPV6_IFINFO	RTNLGRP_IPV6_IFINFO
627607ca46eSDavid Howells 	RTNLGRP_DECnet_IFADDR,
628607ca46eSDavid Howells #define RTNLGRP_DECnet_IFADDR	RTNLGRP_DECnet_IFADDR
629607ca46eSDavid Howells 	RTNLGRP_NOP2,
630607ca46eSDavid Howells 	RTNLGRP_DECnet_ROUTE,
631607ca46eSDavid Howells #define RTNLGRP_DECnet_ROUTE	RTNLGRP_DECnet_ROUTE
632607ca46eSDavid Howells 	RTNLGRP_DECnet_RULE,
633607ca46eSDavid Howells #define RTNLGRP_DECnet_RULE	RTNLGRP_DECnet_RULE
634607ca46eSDavid Howells 	RTNLGRP_NOP4,
635607ca46eSDavid Howells 	RTNLGRP_IPV6_PREFIX,
636607ca46eSDavid Howells #define RTNLGRP_IPV6_PREFIX	RTNLGRP_IPV6_PREFIX
637607ca46eSDavid Howells 	RTNLGRP_IPV6_RULE,
638607ca46eSDavid Howells #define RTNLGRP_IPV6_RULE	RTNLGRP_IPV6_RULE
639607ca46eSDavid Howells 	RTNLGRP_ND_USEROPT,
640607ca46eSDavid Howells #define RTNLGRP_ND_USEROPT	RTNLGRP_ND_USEROPT
641607ca46eSDavid Howells 	RTNLGRP_PHONET_IFADDR,
642607ca46eSDavid Howells #define RTNLGRP_PHONET_IFADDR	RTNLGRP_PHONET_IFADDR
643607ca46eSDavid Howells 	RTNLGRP_PHONET_ROUTE,
644607ca46eSDavid Howells #define RTNLGRP_PHONET_ROUTE	RTNLGRP_PHONET_ROUTE
645607ca46eSDavid Howells 	RTNLGRP_DCB,
646607ca46eSDavid Howells #define RTNLGRP_DCB		RTNLGRP_DCB
647edc9e748SNicolas Dichtel 	RTNLGRP_IPV4_NETCONF,
648edc9e748SNicolas Dichtel #define RTNLGRP_IPV4_NETCONF	RTNLGRP_IPV4_NETCONF
649f3a1bfb1SNicolas Dichtel 	RTNLGRP_IPV6_NETCONF,
650f3a1bfb1SNicolas Dichtel #define RTNLGRP_IPV6_NETCONF	RTNLGRP_IPV6_NETCONF
65137a393bcSCong Wang 	RTNLGRP_MDB,
65237a393bcSCong Wang #define RTNLGRP_MDB		RTNLGRP_MDB
6538de147dcSEric W. Biederman 	RTNLGRP_MPLS_ROUTE,
6548de147dcSEric W. Biederman #define RTNLGRP_MPLS_ROUTE	RTNLGRP_MPLS_ROUTE
6559a963454SNicolas Dichtel 	RTNLGRP_NSID,
6569a963454SNicolas Dichtel #define RTNLGRP_NSID		RTNLGRP_NSID
657607ca46eSDavid Howells 	__RTNLGRP_MAX
658607ca46eSDavid Howells };
659607ca46eSDavid Howells #define RTNLGRP_MAX	(__RTNLGRP_MAX - 1)
660607ca46eSDavid Howells 
661607ca46eSDavid Howells /* TC action piece */
662607ca46eSDavid Howells struct tcamsg {
663607ca46eSDavid Howells 	unsigned char	tca_family;
664607ca46eSDavid Howells 	unsigned char	tca__pad1;
665607ca46eSDavid Howells 	unsigned short	tca__pad2;
666607ca46eSDavid Howells };
667607ca46eSDavid Howells #define TA_RTA(r)  ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct tcamsg))))
668607ca46eSDavid Howells #define TA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct tcamsg))
669607ca46eSDavid Howells #define TCA_ACT_TAB 1 /* attr type must be >=1 */
670607ca46eSDavid Howells #define TCAA_MAX 1
671607ca46eSDavid Howells 
672607ca46eSDavid Howells /* New extended info filters for IFLA_EXT_MASK */
673607ca46eSDavid Howells #define RTEXT_FILTER_VF		(1 << 0)
6746cbdceebSVlad Yasevich #define RTEXT_FILTER_BRVLAN	(1 << 1)
67535a27ceeSRoopa Prabhu #define RTEXT_FILTER_BRVLAN_COMPRESSED	(1 << 2)
676d5566fd7SSowmini Varadhan #define	RTEXT_FILTER_SKIP_STATS	(1 << 3)
677607ca46eSDavid Howells 
678607ca46eSDavid Howells /* End of information exported to user level */
679607ca46eSDavid Howells 
680607ca46eSDavid Howells 
681607ca46eSDavid Howells 
682607ca46eSDavid Howells #endif /* _UAPI__LINUX_RTNETLINK_H */
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