LXR linux/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 */
  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);
  82struct tipc_node *tipc_node_create(struct net *net, u32 addr, u8 *peer_id,
  83                                   u16 capabilities, u32 hash_mixes,
  84                                   bool preliminary);
  85#ifdef CONFIG_TIPC_CRYPTO
  86struct tipc_crypto *tipc_node_crypto_rx(struct tipc_node *__n);
  87struct tipc_crypto *tipc_node_crypto_rx_by_list(struct list_head *pos);
  88#endif
  89u32 tipc_node_try_addr(struct net *net, u8 *id, u32 addr);
  90void tipc_node_check_dest(struct net *net, u32 onode, u8 *peer_id128,
  91                          struct tipc_bearer *bearer,
  92                          u16 capabilities, u32 signature, u32 hash_mixes,
  93                          struct tipc_media_addr *maddr,
  94                          bool *respond, bool *dupl_addr);
  95void tipc_node_delete_links(struct net *net, int bearer_id);
  96void tipc_node_apply_property(struct net *net, struct tipc_bearer *b, int prop);
  97int tipc_node_get_linkname(struct net *net, u32 bearer_id, u32 node,
  98                           char *linkname, size_t len);
  99int tipc_node_xmit(struct net *net, struct sk_buff_head *list, u32 dnode,
 100                   int selector);
 101int tipc_node_distr_xmit(struct net *net, struct sk_buff_head *list);
 102int tipc_node_xmit_skb(struct net *net, struct sk_buff *skb, u32 dest,
 103                       u32 selector);
 104void tipc_node_subscribe(struct net *net, struct list_head *subscr, u32 addr);
 105void tipc_node_unsubscribe(struct net *net, struct list_head *subscr, u32 addr);
 106void tipc_node_broadcast(struct net *net, struct sk_buff *skb, int rc_dests);
 107int tipc_node_add_conn(struct net *net, u32 dnode, u32 port, u32 peer_port);
 108void tipc_node_remove_conn(struct net *net, u32 dnode, u32 port);
 109int tipc_node_get_mtu(struct net *net, u32 addr, u32 sel, bool connected);
 110bool tipc_node_is_up(struct net *net, u32 addr);
 111u16 tipc_node_get_capabilities(struct net *net, u32 addr);
 112int tipc_nl_node_dump(struct sk_buff *skb, struct netlink_callback *cb);
 113int tipc_nl_node_dump_link(struct sk_buff *skb, struct netlink_callback *cb);
 114int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info);
 115int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info);
 116int tipc_nl_node_set_link(struct sk_buff *skb, struct genl_info *info);
 117int tipc_nl_peer_rm(struct sk_buff *skb, struct genl_info *info);
 118
 119int tipc_nl_node_set_monitor(struct sk_buff *skb, struct genl_info *info);
 120int tipc_nl_node_get_monitor(struct sk_buff *skb, struct genl_info *info);
 121int tipc_nl_node_dump_monitor(struct sk_buff *skb, struct netlink_callback *cb);
 122int tipc_nl_node_dump_monitor_peer(struct sk_buff *skb,
 123                                   struct netlink_callback *cb);
 124#ifdef CONFIG_TIPC_CRYPTO
 125int tipc_nl_node_set_key(struct sk_buff *skb, struct genl_info *info);
 126int tipc_nl_node_flush_key(struct sk_buff *skb, struct genl_info *info);
 127#endif
 128void tipc_node_pre_cleanup_net(struct net *exit_net);
 129#endif
 130