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Currently, the default link tolerance set in struct tipc_bearer only has effect on links going up after that moment. I.e., a user has to reset all the node's links across that bearer to have the new value applied. This is too limiting and disturbing on a running cluster to be useful. We now change this so that also already existing links are updated dynamically, without any need for a reset, when the bearer value is changed. We leverage the already existing per-link functionality for this to achieve the wanted effect. Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
97 lines
4.4 KiB
C
97 lines
4.4 KiB
C
/*
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* net/tipc/node.h: Include file for TIPC node management routines
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*
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* Copyright (c) 2000-2006, 2014-2016, Ericsson AB
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* Copyright (c) 2005, 2010-2014, Wind River Systems
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the names of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* Alternatively, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") version 2 as published by the Free
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* Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _TIPC_NODE_H
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#define _TIPC_NODE_H
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#include "addr.h"
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#include "net.h"
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#include "bearer.h"
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#include "msg.h"
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/* Optional capabilities supported by this code version
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*/
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enum {
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TIPC_BCAST_SYNCH = (1 << 1),
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TIPC_BCAST_STATE_NACK = (1 << 2),
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TIPC_BLOCK_FLOWCTL = (1 << 3),
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TIPC_BCAST_RCAST = (1 << 4),
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TIPC_MCAST_GROUPS = (1 << 5)
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};
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#define TIPC_NODE_CAPABILITIES (TIPC_BCAST_SYNCH | \
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TIPC_BCAST_STATE_NACK | \
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TIPC_BCAST_RCAST | \
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TIPC_BLOCK_FLOWCTL)
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#define INVALID_BEARER_ID -1
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void tipc_node_stop(struct net *net);
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void tipc_node_check_dest(struct net *net, u32 onode,
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struct tipc_bearer *bearer,
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u16 capabilities, u32 signature,
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struct tipc_media_addr *maddr,
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bool *respond, bool *dupl_addr);
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void tipc_node_delete_links(struct net *net, int bearer_id);
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void tipc_node_apply_tolerance(struct net *net, struct tipc_bearer *b);
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int tipc_node_get_linkname(struct net *net, u32 bearer_id, u32 node,
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char *linkname, size_t len);
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int tipc_node_xmit(struct net *net, struct sk_buff_head *list, u32 dnode,
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int selector);
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int tipc_node_distr_xmit(struct net *net, struct sk_buff_head *list);
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int tipc_node_xmit_skb(struct net *net, struct sk_buff *skb, u32 dest,
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u32 selector);
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void tipc_node_subscribe(struct net *net, struct list_head *subscr, u32 addr);
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void tipc_node_unsubscribe(struct net *net, struct list_head *subscr, u32 addr);
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void tipc_node_broadcast(struct net *net, struct sk_buff *skb);
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int tipc_node_add_conn(struct net *net, u32 dnode, u32 port, u32 peer_port);
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void tipc_node_remove_conn(struct net *net, u32 dnode, u32 port);
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int tipc_node_get_mtu(struct net *net, u32 addr, u32 sel);
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bool tipc_node_is_up(struct net *net, u32 addr);
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u16 tipc_node_get_capabilities(struct net *net, u32 addr);
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int tipc_nl_node_dump(struct sk_buff *skb, struct netlink_callback *cb);
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int tipc_nl_node_dump_link(struct sk_buff *skb, struct netlink_callback *cb);
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int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info);
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int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info);
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int tipc_nl_node_set_link(struct sk_buff *skb, struct genl_info *info);
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int tipc_nl_peer_rm(struct sk_buff *skb, struct genl_info *info);
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int tipc_nl_node_set_monitor(struct sk_buff *skb, struct genl_info *info);
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int tipc_nl_node_get_monitor(struct sk_buff *skb, struct genl_info *info);
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int tipc_nl_node_dump_monitor(struct sk_buff *skb, struct netlink_callback *cb);
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int tipc_nl_node_dump_monitor_peer(struct sk_buff *skb,
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struct netlink_callback *cb);
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#endif
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