net/tipc/node.h

0001 /*
0002  * net/tipc/node.h: Include file for TIPC node management routines
0003  *
0004  * Copyright (c) 2000-2006, 2014-2016, Ericsson AB
0005  * Copyright (c) 2005, 2010-2014, Wind River Systems
0006  * All rights reserved.
0007  *
0008  * Redistribution and use in source and binary forms, with or without
0009  * modification, are permitted provided that the following conditions are met:
0010  *
0011  * 1. Redistributions of source code must retain the above copyright
0012  *    notice, this list of conditions and the following disclaimer.
0013  * 2. Redistributions in binary form must reproduce the above copyright
0014  *    notice, this list of conditions and the following disclaimer in the
0015  *    documentation and/or other materials provided with the distribution.
0016  * 3. Neither the names of the copyright holders nor the names of its
0017  *    contributors may be used to endorse or promote products derived from
0018  *    this software without specific prior written permission.
0019  *
0020  * Alternatively, this software may be distributed under the terms of the
0021  * GNU General Public License ("GPL") version 2 as published by the Free
0022  * Software Foundation.
0023  *
0024  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0025  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0026  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0027  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0028  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0029  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0030  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0031  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0032  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0033  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0034  * POSSIBILITY OF SUCH DAMAGE.
0035  */
0036
0037 #ifndef _TIPC_NODE_H
0038 #define _TIPC_NODE_H
0039
0040 #include "addr.h"
0041 #include "net.h"
0042 #include "bearer.h"
0043 #include "msg.h"
0044
0045 /* Optional capabilities supported by this code version
0046  */
0047 enum {
0048     TIPC_SYN_BIT          = (1),
0049     TIPC_BCAST_SYNCH      = (1 << 1),
0050     TIPC_BCAST_STATE_NACK = (1 << 2),
0051     TIPC_BLOCK_FLOWCTL    = (1 << 3),
0052     TIPC_BCAST_RCAST      = (1 << 4),
0053     TIPC_NODE_ID128       = (1 << 5),
0054     TIPC_LINK_PROTO_SEQNO = (1 << 6),
0055     TIPC_MCAST_RBCTL      = (1 << 7),
0056     TIPC_GAP_ACK_BLOCK    = (1 << 8),
0057     TIPC_TUNNEL_ENHANCED  = (1 << 9),
0058     TIPC_NAGLE            = (1 << 10),
0059     TIPC_NAMED_BCAST      = (1 << 11)
0060 };
0061
0062 #define TIPC_NODE_CAPABILITIES (TIPC_SYN_BIT           |  \
0063                 TIPC_BCAST_SYNCH       |   \
0064                 TIPC_BCAST_STATE_NACK  |   \
0065                 TIPC_BCAST_RCAST       |   \
0066                 TIPC_BLOCK_FLOWCTL     |   \
0067                 TIPC_NODE_ID128        |   \
0068                 TIPC_LINK_PROTO_SEQNO  |   \
0069                 TIPC_MCAST_RBCTL       |   \
0070                 TIPC_GAP_ACK_BLOCK     |   \
0071                 TIPC_TUNNEL_ENHANCED   |   \
0072                 TIPC_NAGLE             |   \
0073                 TIPC_NAMED_BCAST)
0074
0075 #define INVALID_BEARER_ID -1
0076
0077 void tipc_node_stop(struct net *net);
0078 bool tipc_node_get_id(struct net *net, u32 addr, u8 *id);
0079 u32 tipc_node_get_addr(struct tipc_node *node);
0080 char *tipc_node_get_id_str(struct tipc_node *node);
0081 void tipc_node_put(struct tipc_node *node);
0082 void tipc_node_get(struct tipc_node *node);
0083 struct tipc_node *tipc_node_create(struct net *net, u32 addr, u8 *peer_id,
0084                    u16 capabilities, u32 hash_mixes,
0085                    bool preliminary);
0086 #ifdef CONFIG_TIPC_CRYPTO
0087 struct tipc_crypto *tipc_node_crypto_rx(struct tipc_node *__n);
0088 struct tipc_crypto *tipc_node_crypto_rx_by_list(struct list_head *pos);
0089 struct tipc_crypto *tipc_node_crypto_rx_by_addr(struct net *net, u32 addr);
0090 #endif
0091 u32 tipc_node_try_addr(struct net *net, u8 *id, u32 addr);
0092 void tipc_node_check_dest(struct net *net, u32 onode, u8 *peer_id128,
0093               struct tipc_bearer *bearer,
0094               u16 capabilities, u32 signature, u32 hash_mixes,
0095               struct tipc_media_addr *maddr,
0096               bool *respond, bool *dupl_addr);
0097 void tipc_node_delete_links(struct net *net, int bearer_id);
0098 void tipc_node_apply_property(struct net *net, struct tipc_bearer *b, int prop);
0099 int tipc_node_get_linkname(struct net *net, u32 bearer_id, u32 node,
0100                char *linkname, size_t len);
0101 int tipc_node_xmit(struct net *net, struct sk_buff_head *list, u32 dnode,
0102            int selector);
0103 int tipc_node_distr_xmit(struct net *net, struct sk_buff_head *list);
0104 int tipc_node_xmit_skb(struct net *net, struct sk_buff *skb, u32 dest,
0105                u32 selector);
0106 void tipc_node_subscribe(struct net *net, struct list_head *subscr, u32 addr);
0107 void tipc_node_unsubscribe(struct net *net, struct list_head *subscr, u32 addr);
0108 void tipc_node_broadcast(struct net *net, struct sk_buff *skb, int rc_dests);
0109 int tipc_node_add_conn(struct net *net, u32 dnode, u32 port, u32 peer_port);
0110 void tipc_node_remove_conn(struct net *net, u32 dnode, u32 port);
0111 int tipc_node_get_mtu(struct net *net, u32 addr, u32 sel, bool connected);
0112 bool tipc_node_is_up(struct net *net, u32 addr);
0113 u16 tipc_node_get_capabilities(struct net *net, u32 addr);
0114 int tipc_nl_node_dump(struct sk_buff *skb, struct netlink_callback *cb);
0115 int tipc_nl_node_dump_link(struct sk_buff *skb, struct netlink_callback *cb);
0116 int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info);
0117 int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info);
0118 int tipc_nl_node_set_link(struct sk_buff *skb, struct genl_info *info);
0119 int tipc_nl_peer_rm(struct sk_buff *skb, struct genl_info *info);
0120
0121 int tipc_nl_node_set_monitor(struct sk_buff *skb, struct genl_info *info);
0122 int tipc_nl_node_get_monitor(struct sk_buff *skb, struct genl_info *info);
0123 int tipc_nl_node_dump_monitor(struct sk_buff *skb, struct netlink_callback *cb);
0124 int tipc_nl_node_dump_monitor_peer(struct sk_buff *skb,
0125                    struct netlink_callback *cb);
0126 #ifdef CONFIG_TIPC_CRYPTO
0127 int tipc_nl_node_set_key(struct sk_buff *skb, struct genl_info *info);
0128 int tipc_nl_node_flush_key(struct sk_buff *skb, struct genl_info *info);
0129 #endif
0130 void tipc_node_pre_cleanup_net(struct net *exit_net);
0131 #endif