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, 2018, 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 6 * Copyright (c) 2020-2021, Red Hat Inc
7 * All rights reserved. 7 * All rights reserved.
8 * 8 *
9 * Redistribution and use in source and binary 9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that t 10 * modification, are permitted provided that the following conditions are met:
11 * 11 *
12 * 1. Redistributions of source code must reta 12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the 13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must repr 14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the 15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials pro 16 * documentation and/or other materials provided with the distribution.
17 * 3. Neither the names of the copyright holde 17 * 3. Neither the names of the copyright holders nor the names of its
18 * contributors may be used to endorse or p 18 * contributors may be used to endorse or promote products derived from
19 * this software without specific prior wri 19 * this software without specific prior written permission.
20 * 20 *
21 * Alternatively, this software may be distrib 21 * Alternatively, this software may be distributed under the terms of the
22 * GNU General Public License ("GPL") version 22 * GNU General Public License ("GPL") version 2 as published by the Free
23 * Software Foundation. 23 * Software Foundation.
24 * 24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCL 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND F 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYR 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL 29 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT L 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THE 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUD 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS S 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE. 35 * POSSIBILITY OF SUCH DAMAGE.
36 */ 36 */
37 37
38 #ifndef _TIPC_ADDR_H 38 #ifndef _TIPC_ADDR_H
39 #define _TIPC_ADDR_H 39 #define _TIPC_ADDR_H
40 40
41 #include <linux/types.h> 41 #include <linux/types.h>
42 #include <linux/tipc.h> 42 #include <linux/tipc.h>
43 #include <net/net_namespace.h> 43 #include <net/net_namespace.h>
44 #include <net/netns/generic.h> 44 #include <net/netns/generic.h>
45 #include "core.h" 45 #include "core.h"
46 46
47 /* Struct tipc_uaddr: internal version of stru 47 /* Struct tipc_uaddr: internal version of struct sockaddr_tipc.
48 * Must be kept aligned both regarding field p 48 * Must be kept aligned both regarding field positions and size.
49 */ 49 */
50 struct tipc_uaddr { 50 struct tipc_uaddr {
51 unsigned short family; 51 unsigned short family;
52 unsigned char addrtype; 52 unsigned char addrtype;
53 signed char scope; 53 signed char scope;
54 union { 54 union {
55 struct { 55 struct {
56 struct tipc_service_ad 56 struct tipc_service_addr sa;
57 u32 lookup_node; 57 u32 lookup_node;
58 }; 58 };
59 struct tipc_service_range sr; 59 struct tipc_service_range sr;
60 struct tipc_socket_addr sk; 60 struct tipc_socket_addr sk;
61 }; 61 };
62 }; 62 };
63 63
64 static inline void tipc_uaddr(struct tipc_uadd 64 static inline void tipc_uaddr(struct tipc_uaddr *ua, u32 atype, u32 scope,
65 u32 type, u32 lo 65 u32 type, u32 lower, u32 upper)
66 { 66 {
67 ua->family = AF_TIPC; 67 ua->family = AF_TIPC;
68 ua->addrtype = atype; 68 ua->addrtype = atype;
69 ua->scope = scope; 69 ua->scope = scope;
70 ua->sr.type = type; 70 ua->sr.type = type;
71 ua->sr.lower = lower; 71 ua->sr.lower = lower;
72 ua->sr.upper = upper; 72 ua->sr.upper = upper;
73 } 73 }
74 74
75 static inline bool tipc_uaddr_valid(struct tip 75 static inline bool tipc_uaddr_valid(struct tipc_uaddr *ua, int len)
76 { 76 {
77 u32 atype; 77 u32 atype;
78 78
79 if (len < sizeof(struct sockaddr_tipc) 79 if (len < sizeof(struct sockaddr_tipc))
80 return false; 80 return false;
81 atype = ua->addrtype; 81 atype = ua->addrtype;
82 if (ua->family != AF_TIPC) 82 if (ua->family != AF_TIPC)
83 return false; 83 return false;
84 if (atype == TIPC_SERVICE_ADDR || atyp 84 if (atype == TIPC_SERVICE_ADDR || atype == TIPC_SOCKET_ADDR)
85 return true; 85 return true;
86 if (atype == TIPC_SERVICE_RANGE) 86 if (atype == TIPC_SERVICE_RANGE)
87 return ua->sr.upper >= ua->sr. 87 return ua->sr.upper >= ua->sr.lower;
88 return false; 88 return false;
89 } 89 }
90 90
91 static inline u32 tipc_own_addr(struct net *ne 91 static inline u32 tipc_own_addr(struct net *net)
92 { 92 {
93 return tipc_net(net)->node_addr; 93 return tipc_net(net)->node_addr;
94 } 94 }
95 95
96 static inline u8 *tipc_own_id(struct net *net) 96 static inline u8 *tipc_own_id(struct net *net)
97 { 97 {
98 struct tipc_net *tn = tipc_net(net); 98 struct tipc_net *tn = tipc_net(net);
99 99
100 if (!strlen(tn->node_id_string)) 100 if (!strlen(tn->node_id_string))
101 return NULL; 101 return NULL;
102 return tn->node_id; 102 return tn->node_id;
103 } 103 }
104 104
105 static inline char *tipc_own_id_string(struct 105 static inline char *tipc_own_id_string(struct net *net)
106 { 106 {
107 return tipc_net(net)->node_id_string; 107 return tipc_net(net)->node_id_string;
108 } 108 }
109 109
110 static inline u32 tipc_cluster_mask(u32 addr) 110 static inline u32 tipc_cluster_mask(u32 addr)
111 { 111 {
112 return addr & TIPC_ZONE_CLUSTER_MASK; 112 return addr & TIPC_ZONE_CLUSTER_MASK;
113 } 113 }
114 114
115 static inline int tipc_node2scope(u32 node) 115 static inline int tipc_node2scope(u32 node)
116 { 116 {
117 return node ? TIPC_NODE_SCOPE : TIPC_C 117 return node ? TIPC_NODE_SCOPE : TIPC_CLUSTER_SCOPE;
118 } 118 }
119 119
120 static inline int tipc_scope2node(struct net * 120 static inline int tipc_scope2node(struct net *net, int sc)
121 { 121 {
122 return sc != TIPC_NODE_SCOPE ? 0 : tip 122 return sc != TIPC_NODE_SCOPE ? 0 : tipc_own_addr(net);
123 } 123 }
124 124
125 static inline int in_own_node(struct net *net, 125 static inline int in_own_node(struct net *net, u32 addr)
126 { 126 {
127 return addr == tipc_own_addr(net) || ! 127 return addr == tipc_own_addr(net) || !addr;
128 } 128 }
129 129
130 bool tipc_in_scope(bool legacy_format, u32 dom 130 bool tipc_in_scope(bool legacy_format, u32 domain, u32 addr);
131 void tipc_set_node_id(struct net *net, u8 *id) 131 void tipc_set_node_id(struct net *net, u8 *id);
132 void tipc_set_node_addr(struct net *net, u32 a 132 void tipc_set_node_addr(struct net *net, u32 addr);
133 char *tipc_nodeid2string(char *str, u8 *id); 133 char *tipc_nodeid2string(char *str, u8 *id);
>> 134 u32 tipc_node_id2hash(u8 *id128);
134 135
135 #endif 136 #endif
136 137
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