xref: /aosp_15_r20/external/libnl/include/netlink/route/rtnl.h (revision 4dc78e53d49367fa8e61b07018507c90983a077d)
1*4dc78e53SAndroid Build Coastguard Worker /* SPDX-License-Identifier: LGPL-2.1-only */
2*4dc78e53SAndroid Build Coastguard Worker /*
3*4dc78e53SAndroid Build Coastguard Worker  * Copyright (c) 2003-2008 Thomas Graf <[email protected]>
4*4dc78e53SAndroid Build Coastguard Worker  */
5*4dc78e53SAndroid Build Coastguard Worker 
6*4dc78e53SAndroid Build Coastguard Worker #ifndef NETLINK_RTNL_H_
7*4dc78e53SAndroid Build Coastguard Worker #define NETLINK_RTNL_H_
8*4dc78e53SAndroid Build Coastguard Worker 
9*4dc78e53SAndroid Build Coastguard Worker #include <netlink/netlink.h>
10*4dc78e53SAndroid Build Coastguard Worker 
11*4dc78e53SAndroid Build Coastguard Worker #ifdef __cplusplus
12*4dc78e53SAndroid Build Coastguard Worker extern "C" {
13*4dc78e53SAndroid Build Coastguard Worker #endif
14*4dc78e53SAndroid Build Coastguard Worker 
15*4dc78e53SAndroid Build Coastguard Worker /**
16*4dc78e53SAndroid Build Coastguard Worker  * @name Realms
17*4dc78e53SAndroid Build Coastguard Worker  * @{
18*4dc78e53SAndroid Build Coastguard Worker  */
19*4dc78e53SAndroid Build Coastguard Worker 
20*4dc78e53SAndroid Build Coastguard Worker /**
21*4dc78e53SAndroid Build Coastguard Worker  * Mask specying the size of each realm part
22*4dc78e53SAndroid Build Coastguard Worker  * @ingroup rtnl
23*4dc78e53SAndroid Build Coastguard Worker  */
24*4dc78e53SAndroid Build Coastguard Worker #define RTNL_REALM_MASK (0xFFFF)
25*4dc78e53SAndroid Build Coastguard Worker 
26*4dc78e53SAndroid Build Coastguard Worker /**
27*4dc78e53SAndroid Build Coastguard Worker  * Extract FROM realm from a realms field
28*4dc78e53SAndroid Build Coastguard Worker  */
29*4dc78e53SAndroid Build Coastguard Worker #define RTNL_REALM_FROM(realm) ((realm) >> 16)
30*4dc78e53SAndroid Build Coastguard Worker 
31*4dc78e53SAndroid Build Coastguard Worker /**
32*4dc78e53SAndroid Build Coastguard Worker  * Extract TO realm from a realms field
33*4dc78e53SAndroid Build Coastguard Worker  */
34*4dc78e53SAndroid Build Coastguard Worker #define RTNL_REALM_TO(realm) ((realm) & RTNL_REALM_MASK)
35*4dc78e53SAndroid Build Coastguard Worker 
36*4dc78e53SAndroid Build Coastguard Worker /**
37*4dc78e53SAndroid Build Coastguard Worker  * Build a realms field
38*4dc78e53SAndroid Build Coastguard Worker  */
39*4dc78e53SAndroid Build Coastguard Worker #define RTNL_MAKE_REALM(from, to) \
40*4dc78e53SAndroid Build Coastguard Worker 	((RTNL_REALM_TO(from) << 16) & RTNL_REALM_TO(to))
41*4dc78e53SAndroid Build Coastguard Worker 
42*4dc78e53SAndroid Build Coastguard Worker /** @} */
43*4dc78e53SAndroid Build Coastguard Worker 
44*4dc78e53SAndroid Build Coastguard Worker 
45*4dc78e53SAndroid Build Coastguard Worker /* General */
46*4dc78e53SAndroid Build Coastguard Worker extern int		nl_rtgen_request(struct nl_sock *, int, int, int);
47*4dc78e53SAndroid Build Coastguard Worker 
48*4dc78e53SAndroid Build Coastguard Worker /* Routing Type Translations */
49*4dc78e53SAndroid Build Coastguard Worker extern char *		nl_rtntype2str(int, char *, size_t);
50*4dc78e53SAndroid Build Coastguard Worker extern int		nl_str2rtntype(const char *);
51*4dc78e53SAndroid Build Coastguard Worker 
52*4dc78e53SAndroid Build Coastguard Worker /* Scope Translations */
53*4dc78e53SAndroid Build Coastguard Worker extern char *		rtnl_scope2str(int, char *, size_t);
54*4dc78e53SAndroid Build Coastguard Worker extern int		rtnl_str2scope(const char *);
55*4dc78e53SAndroid Build Coastguard Worker 
56*4dc78e53SAndroid Build Coastguard Worker /* Realms Translations */
57*4dc78e53SAndroid Build Coastguard Worker extern char *		rtnl_realms2str(uint32_t, char *, size_t);
58*4dc78e53SAndroid Build Coastguard Worker 
59*4dc78e53SAndroid Build Coastguard Worker #ifdef __cplusplus
60*4dc78e53SAndroid Build Coastguard Worker }
61*4dc78e53SAndroid Build Coastguard Worker #endif
62*4dc78e53SAndroid Build Coastguard Worker 
63*4dc78e53SAndroid Build Coastguard Worker #endif
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