1 /* 1 /*
2 * net/tipc/addr.h: Include file for TIPC addr 2 * net/tipc/addr.h: Include file for TIPC address utility routines
3 * 3 *
4 * Copyright (c) 2000-2006, 2018, Ericsson AB !! 4 * Copyright (c) 2000-2006, Ericsson AB
5 * Copyright (c) 2004-2005, Wind River Systems 5 * Copyright (c) 2004-2005, Wind River Systems
6 * Copyright (c) 2020-2021, Red Hat Inc <<
7 * All rights reserved. 6 * All rights reserved.
8 * 7 *
9 * Redistribution and use in source and binary 8 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that t 9 * modification, are permitted provided that the following conditions are met:
11 * 10 *
12 * 1. Redistributions of source code must reta 11 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the 12 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must repr 13 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the 14 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials pro 15 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the names of the copyright holde 16 * 3. Neither the names of the copyright holders nor the names of its
18 * contributors may be used to endorse or p 17 * contributors may be used to endorse or promote products derived from
19 * this software without specific prior wri 18 * this software without specific prior written permission.
20 * 19 *
21 * Alternatively, this software may be distrib 20 * Alternatively, this software may be distributed under the terms of the
22 * GNU General Public License ("GPL") version 21 * GNU General Public License ("GPL") version 2 as published by the Free
23 * Software Foundation. 22 * Software Foundation.
24 * 23 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCL 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND F 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYR 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL 28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT L 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THE 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUD 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS S 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE. 34 * POSSIBILITY OF SUCH DAMAGE.
36 */ 35 */
37 36
38 #ifndef _TIPC_ADDR_H 37 #ifndef _TIPC_ADDR_H
39 #define _TIPC_ADDR_H 38 #define _TIPC_ADDR_H
40 39
41 #include <linux/types.h> 40 #include <linux/types.h>
42 #include <linux/tipc.h> 41 #include <linux/tipc.h>
43 #include <net/net_namespace.h> 42 #include <net/net_namespace.h>
44 #include <net/netns/generic.h> 43 #include <net/netns/generic.h>
45 #include "core.h" 44 #include "core.h"
46 45
47 /* Struct tipc_uaddr: internal version of stru <<
48 * Must be kept aligned both regarding field p <<
49 */ <<
50 struct tipc_uaddr { <<
51 unsigned short family; <<
52 unsigned char addrtype; <<
53 signed char scope; <<
54 union { <<
55 struct { <<
56 struct tipc_service_ad <<
57 u32 lookup_node; <<
58 }; <<
59 struct tipc_service_range sr; <<
60 struct tipc_socket_addr sk; <<
61 }; <<
62 }; <<
63 <<
64 static inline void tipc_uaddr(struct tipc_uadd <<
65 u32 type, u32 lo <<
66 { <<
67 ua->family = AF_TIPC; <<
68 ua->addrtype = atype; <<
69 ua->scope = scope; <<
70 ua->sr.type = type; <<
71 ua->sr.lower = lower; <<
72 ua->sr.upper = upper; <<
73 } <<
74 <<
75 static inline bool tipc_uaddr_valid(struct tip <<
76 { <<
77 u32 atype; <<
78 <<
79 if (len < sizeof(struct sockaddr_tipc) <<
80 return false; <<
81 atype = ua->addrtype; <<
82 if (ua->family != AF_TIPC) <<
83 return false; <<
84 if (atype == TIPC_SERVICE_ADDR || atyp <<
85 return true; <<
86 if (atype == TIPC_SERVICE_RANGE) <<
87 return ua->sr.upper >= ua->sr. <<
88 return false; <<
89 } <<
90 <<
91 static inline u32 tipc_own_addr(struct net *ne 46 static inline u32 tipc_own_addr(struct net *net)
92 { 47 {
93 return tipc_net(net)->node_addr; !! 48 struct tipc_net *tn = net_generic(net, tipc_net_id);
94 } <<
95 49
96 static inline u8 *tipc_own_id(struct net *net) !! 50 return tn->own_addr;
97 { <<
98 struct tipc_net *tn = tipc_net(net); <<
99 <<
100 if (!strlen(tn->node_id_string)) <<
101 return NULL; <<
102 return tn->node_id; <<
103 } 51 }
104 52
105 static inline char *tipc_own_id_string(struct !! 53 static inline u32 tipc_zone_mask(u32 addr)
106 { 54 {
107 return tipc_net(net)->node_id_string; !! 55 return addr & TIPC_ZONE_MASK;
108 } 56 }
109 57
110 static inline u32 tipc_cluster_mask(u32 addr) 58 static inline u32 tipc_cluster_mask(u32 addr)
111 { 59 {
112 return addr & TIPC_ZONE_CLUSTER_MASK; 60 return addr & TIPC_ZONE_CLUSTER_MASK;
113 } 61 }
114 62
115 static inline int tipc_node2scope(u32 node) !! 63 u32 tipc_own_addr(struct net *net);
116 { !! 64 int in_own_cluster(struct net *net, u32 addr);
117 return node ? TIPC_NODE_SCOPE : TIPC_C !! 65 int in_own_cluster_exact(struct net *net, u32 addr);
118 } !! 66 int in_own_node(struct net *net, u32 addr);
119 !! 67 u32 addr_domain(struct net *net, u32 sc);
120 static inline int tipc_scope2node(struct net * !! 68 int tipc_addr_domain_valid(u32);
121 { !! 69 int tipc_addr_node_valid(u32 addr);
122 return sc != TIPC_NODE_SCOPE ? 0 : tip !! 70 int tipc_in_scope(u32 domain, u32 addr);
123 } !! 71 int tipc_addr_scope(u32 domain);
124 !! 72 char *tipc_addr_string_fill(char *string, u32 addr);
125 static inline int in_own_node(struct net *net, <<
126 { <<
127 return addr == tipc_own_addr(net) || ! <<
128 } <<
129 <<
130 bool tipc_in_scope(bool legacy_format, u32 dom <<
131 void tipc_set_node_id(struct net *net, u8 *id) <<
132 void tipc_set_node_addr(struct net *net, u32 a <<
133 char *tipc_nodeid2string(char *str, u8 *id); <<
134 73
135 #endif 74 #endif
136 75
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