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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 */
47enum {
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 TIPC_NAGLE = (1 << 10),
59 TIPC_NAMED_BCAST = (1 << 11)
60};
61
62#define TIPC_NODE_CAPABILITIES (TIPC_SYN_BIT | \
63 TIPC_BCAST_SYNCH | \
64 TIPC_BCAST_STATE_NACK | \
65 TIPC_BCAST_RCAST | \
66 TIPC_BLOCK_FLOWCTL | \
67 TIPC_NODE_ID128 | \
68 TIPC_LINK_PROTO_SEQNO | \
69 TIPC_MCAST_RBCTL | \
70 TIPC_GAP_ACK_BLOCK | \
71 TIPC_TUNNEL_ENHANCED | \
72 TIPC_NAGLE | \
73 TIPC_NAMED_BCAST)
74
75#define INVALID_BEARER_ID -1
76
77void tipc_node_stop(struct net *net);
78bool tipc_node_get_id(struct net *net, u32 addr, u8 *id);
79u32 tipc_node_get_addr(struct tipc_node *node);
80char *tipc_node_get_id_str(struct tipc_node *node);
81void tipc_node_put(struct tipc_node *node);
82void tipc_node_get(struct tipc_node *node);
83struct tipc_node *tipc_node_create(struct net *net, u32 addr, u8 *peer_id,
84 u16 capabilities, u32 hash_mixes,
85 bool preliminary);
86#ifdef CONFIG_TIPC_CRYPTO
87struct tipc_crypto *tipc_node_crypto_rx(struct tipc_node *__n);
88struct tipc_crypto *tipc_node_crypto_rx_by_list(struct list_head *pos);
89struct tipc_crypto *tipc_node_crypto_rx_by_addr(struct net *net, u32 addr);
90#endif
91u32 tipc_node_try_addr(struct net *net, u8 *id, u32 addr);
92void tipc_node_check_dest(struct net *net, u32 onode, u8 *peer_id128,
93 struct tipc_bearer *bearer,
94 u16 capabilities, u32 signature, u32 hash_mixes,
95 struct tipc_media_addr *maddr,
96 bool *respond, bool *dupl_addr);
97void tipc_node_delete_links(struct net *net, int bearer_id);
98void tipc_node_apply_property(struct net *net, struct tipc_bearer *b, int prop);
99int tipc_node_get_linkname(struct net *net, u32 bearer_id, u32 node,
100 char *linkname, size_t len);
101int tipc_node_xmit(struct net *net, struct sk_buff_head *list, u32 dnode,
102 int selector);
103int tipc_node_distr_xmit(struct net *net, struct sk_buff_head *list);
104int tipc_node_xmit_skb(struct net *net, struct sk_buff *skb, u32 dest,
105 u32 selector);
106void tipc_node_subscribe(struct net *net, struct list_head *subscr, u32 addr);
107void tipc_node_unsubscribe(struct net *net, struct list_head *subscr, u32 addr);
108void tipc_node_broadcast(struct net *net, struct sk_buff *skb, int rc_dests);
109int tipc_node_add_conn(struct net *net, u32 dnode, u32 port, u32 peer_port);
110void tipc_node_remove_conn(struct net *net, u32 dnode, u32 port);
111int tipc_node_get_mtu(struct net *net, u32 addr, u32 sel, bool connected);
112bool tipc_node_is_up(struct net *net, u32 addr);
113u16 tipc_node_get_capabilities(struct net *net, u32 addr);
114int tipc_nl_node_dump(struct sk_buff *skb, struct netlink_callback *cb);
115int tipc_nl_node_dump_link(struct sk_buff *skb, struct netlink_callback *cb);
116int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info);
117int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info);
118int tipc_nl_node_set_link(struct sk_buff *skb, struct genl_info *info);
119int tipc_nl_peer_rm(struct sk_buff *skb, struct genl_info *info);
120
121int tipc_nl_node_set_monitor(struct sk_buff *skb, struct genl_info *info);
122int tipc_nl_node_get_monitor(struct sk_buff *skb, struct genl_info *info);
123int tipc_nl_node_dump_monitor(struct sk_buff *skb, struct netlink_callback *cb);
124int tipc_nl_node_dump_monitor_peer(struct sk_buff *skb,
125 struct netlink_callback *cb);
126#ifdef CONFIG_TIPC_CRYPTO
127int tipc_nl_node_set_key(struct sk_buff *skb, struct genl_info *info);
128int tipc_nl_node_flush_key(struct sk_buff *skb, struct genl_info *info);
129#endif
130void tipc_node_pre_cleanup_net(struct net *exit_net);
131#endif