net/tipc/node.h

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