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 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 77 void tipc_node_stop(struct net *net); 78 bool tipc_node_get_id(struct net *net, u32 addr, u8 *id); 79 u32 tipc_node_get_addr(struct tipc_node *node); 80 char *tipc_node_get_id_str(struct tipc_node *node); 81 void tipc_node_put(struct tipc_node *node); 82 struct 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 86 struct tipc_crypto *tipc_node_crypto_rx(struct tipc_node *__n); 87 struct tipc_crypto *tipc_node_crypto_rx_by_list(struct list_head *pos); 88 #endif 89 u32 tipc_node_try_addr(struct net *net, u8 *id, u32 addr); 90 void 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); 95 void tipc_node_delete_links(struct net *net, int bearer_id); 96 void tipc_node_apply_property(struct net *net, struct tipc_bearer *b, int prop); 97 int tipc_node_get_linkname(struct net *net, u32 bearer_id, u32 node, 98 char *linkname, size_t len); 99 int tipc_node_xmit(struct net *net, struct sk_buff_head *list, u32 dnode, 100 int selector); 101 int tipc_node_distr_xmit(struct net *net, struct sk_buff_head *list); 102 int tipc_node_xmit_skb(struct net *net, struct sk_buff *skb, u32 dest, 103 u32 selector); 104 void tipc_node_subscribe(struct net *net, struct list_head *subscr, u32 addr); 105 void tipc_node_unsubscribe(struct net *net, struct list_head *subscr, u32 addr); 106 void tipc_node_broadcast(struct net *net, struct sk_buff *skb, int rc_dests); 107 int tipc_node_add_conn(struct net *net, u32 dnode, u32 port, u32 peer_port); 108 void tipc_node_remove_conn(struct net *net, u32 dnode, u32 port); 109 int tipc_node_get_mtu(struct net *net, u32 addr, u32 sel, bool connected); 110 bool tipc_node_is_up(struct net *net, u32 addr); 111 u16 tipc_node_get_capabilities(struct net *net, u32 addr); 112 int tipc_nl_node_dump(struct sk_buff *skb, struct netlink_callback *cb); 113 int tipc_nl_node_dump_link(struct sk_buff *skb, struct netlink_callback *cb); 114 int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info); 115 int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info); 116 int tipc_nl_node_set_link(struct sk_buff *skb, struct genl_info *info); 117 int tipc_nl_peer_rm(struct sk_buff *skb, struct genl_info *info); 118 119 int tipc_nl_node_set_monitor(struct sk_buff *skb, struct genl_info *info); 120 int tipc_nl_node_get_monitor(struct sk_buff *skb, struct genl_info *info); 121 int tipc_nl_node_dump_monitor(struct sk_buff *skb, struct netlink_callback *cb); 122 int tipc_nl_node_dump_monitor_peer(struct sk_buff *skb, 123 struct netlink_callback *cb); 124 #ifdef CONFIG_TIPC_CRYPTO 125 int tipc_nl_node_set_key(struct sk_buff *skb, struct genl_info *info); 126 int tipc_nl_node_flush_key(struct sk_buff *skb, struct genl_info *info); 127 #endif 128 void tipc_node_pre_cleanup_net(struct net *exit_net); 129 #endif 130