xref: /linux/net/tipc/node.h (revision 42466b9f29b415c254dc4c2f4618e2a96951a406)
1 /*
2  * net/tipc/node.h: Include file for TIPC node management routines
3  *
4  * Copyright (c) 2000-2006, 2014-2016, Ericsson AB
5  * Copyright (c) 2005, 2010-2014, Wind River Systems
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the names of the copyright holders nor the names of its
17  *    contributors may be used to endorse or promote products derived from
18  *    this software without specific prior written permission.
19  *
20  * Alternatively, this software may be distributed under the terms of the
21  * GNU General Public License ("GPL") version 2 as published by the Free
22  * Software Foundation.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34  * POSSIBILITY OF SUCH DAMAGE.
35  */
36 
37 #ifndef _TIPC_NODE_H
38 #define _TIPC_NODE_H
39 
40 #include "addr.h"
41 #include "net.h"
42 #include "bearer.h"
43 #include "msg.h"
44 
45 /* Optional capabilities supported by this code version
46  */
47 enum {
48 	TIPC_SYN_BIT          = (1),
49 	TIPC_BCAST_SYNCH      = (1 << 1),
50 	TIPC_BCAST_STATE_NACK = (1 << 2),
51 	TIPC_BLOCK_FLOWCTL    = (1 << 3),
52 	TIPC_BCAST_RCAST      = (1 << 4),
53 	TIPC_NODE_ID128       = (1 << 5),
54 	TIPC_LINK_PROTO_SEQNO = (1 << 6),
55 	TIPC_MCAST_RBCTL      = (1 << 7),
56 	TIPC_GAP_ACK_BLOCK    = (1 << 8),
57 	TIPC_TUNNEL_ENHANCED  = (1 << 9)
58 };
59 
60 #define TIPC_NODE_CAPABILITIES (TIPC_SYN_BIT           |  \
61 				TIPC_BCAST_SYNCH       |   \
62 				TIPC_BCAST_STATE_NACK  |   \
63 				TIPC_BCAST_RCAST       |   \
64 				TIPC_BLOCK_FLOWCTL     |   \
65 				TIPC_NODE_ID128        |   \
66 				TIPC_LINK_PROTO_SEQNO  |   \
67 				TIPC_MCAST_RBCTL       |   \
68 				TIPC_GAP_ACK_BLOCK     |   \
69 				TIPC_TUNNEL_ENHANCED)
70 #define INVALID_BEARER_ID -1
71 
72 void tipc_node_stop(struct net *net);
73 bool tipc_node_get_id(struct net *net, u32 addr, u8 *id);
74 u32 tipc_node_get_addr(struct tipc_node *node);
75 u32 tipc_node_try_addr(struct net *net, u8 *id, u32 addr);
76 void tipc_node_check_dest(struct net *net, u32 onode, u8 *peer_id128,
77 			  struct tipc_bearer *bearer,
78 			  u16 capabilities, u32 signature,
79 			  struct tipc_media_addr *maddr,
80 			  bool *respond, bool *dupl_addr);
81 void tipc_node_delete_links(struct net *net, int bearer_id);
82 void tipc_node_apply_property(struct net *net, struct tipc_bearer *b, int prop);
83 int tipc_node_get_linkname(struct net *net, u32 bearer_id, u32 node,
84 			   char *linkname, size_t len);
85 int tipc_node_xmit(struct net *net, struct sk_buff_head *list, u32 dnode,
86 		   int selector);
87 int tipc_node_distr_xmit(struct net *net, struct sk_buff_head *list);
88 int tipc_node_xmit_skb(struct net *net, struct sk_buff *skb, u32 dest,
89 		       u32 selector);
90 void tipc_node_subscribe(struct net *net, struct list_head *subscr, u32 addr);
91 void tipc_node_unsubscribe(struct net *net, struct list_head *subscr, u32 addr);
92 void tipc_node_broadcast(struct net *net, struct sk_buff *skb);
93 int tipc_node_add_conn(struct net *net, u32 dnode, u32 port, u32 peer_port);
94 void tipc_node_remove_conn(struct net *net, u32 dnode, u32 port);
95 int tipc_node_get_mtu(struct net *net, u32 addr, u32 sel);
96 bool tipc_node_is_up(struct net *net, u32 addr);
97 u16 tipc_node_get_capabilities(struct net *net, u32 addr);
98 int tipc_nl_node_dump(struct sk_buff *skb, struct netlink_callback *cb);
99 int tipc_nl_node_dump_link(struct sk_buff *skb, struct netlink_callback *cb);
100 int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info);
101 int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info);
102 int tipc_nl_node_set_link(struct sk_buff *skb, struct genl_info *info);
103 int tipc_nl_peer_rm(struct sk_buff *skb, struct genl_info *info);
104 
105 int tipc_nl_node_set_monitor(struct sk_buff *skb, struct genl_info *info);
106 int tipc_nl_node_get_monitor(struct sk_buff *skb, struct genl_info *info);
107 int tipc_nl_node_dump_monitor(struct sk_buff *skb, struct netlink_callback *cb);
108 int tipc_nl_node_dump_monitor_peer(struct sk_buff *skb,
109 				   struct netlink_callback *cb);
110 #endif
111