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103 lines
3.7 KiB
103 lines
3.7 KiB
/* |
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* net/tipc/bcast.h: Include file for TIPC broadcast code |
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* |
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* Copyright (c) 2003-2006, 2014, Ericsson AB |
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* Copyright (c) 2005, 2010-2011, 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_BCAST_H |
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#define _TIPC_BCAST_H |
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#define MAX_NODES 4096 |
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#define WSIZE 32 |
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#define TIPC_BCLINK_RESET 1 |
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/** |
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* struct tipc_node_map - set of node identifiers |
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* @count: # of nodes in set |
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* @map: bitmap of node identifiers that are in the set |
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*/ |
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struct tipc_node_map { |
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u32 count; |
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u32 map[MAX_NODES / WSIZE]; |
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}; |
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#define PLSIZE 32 |
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/** |
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* struct tipc_port_list - set of node local destination ports |
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* @count: # of ports in set (only valid for first entry in list) |
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* @next: pointer to next entry in list |
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* @ports: array of port references |
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*/ |
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struct tipc_port_list { |
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int count; |
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struct tipc_port_list *next; |
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u32 ports[PLSIZE]; |
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}; |
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struct tipc_node; |
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extern const char tipc_bclink_name[]; |
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/** |
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* tipc_nmap_equal - test for equality of node maps |
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*/ |
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static inline int tipc_nmap_equal(struct tipc_node_map *nm_a, |
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struct tipc_node_map *nm_b) |
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{ |
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return !memcmp(nm_a, nm_b, sizeof(*nm_a)); |
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} |
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void tipc_port_list_add(struct tipc_port_list *pl_ptr, u32 port); |
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void tipc_port_list_free(struct tipc_port_list *pl_ptr); |
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int tipc_bclink_init(void); |
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void tipc_bclink_stop(void); |
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void tipc_bclink_set_flags(unsigned int flags); |
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void tipc_bclink_add_node(u32 addr); |
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void tipc_bclink_remove_node(u32 addr); |
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struct tipc_node *tipc_bclink_retransmit_to(void); |
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void tipc_bclink_acknowledge(struct tipc_node *n_ptr, u32 acked); |
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void tipc_bclink_rcv(struct sk_buff *buf); |
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u32 tipc_bclink_get_last_sent(void); |
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u32 tipc_bclink_acks_missing(struct tipc_node *n_ptr); |
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void tipc_bclink_update_link_state(struct tipc_node *n_ptr, u32 last_sent); |
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int tipc_bclink_stats(char *stats_buf, const u32 buf_size); |
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int tipc_bclink_reset_stats(void); |
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int tipc_bclink_set_queue_limits(u32 limit); |
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void tipc_bcbearer_sort(struct tipc_node_map *nm_ptr, u32 node, bool action); |
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uint tipc_bclink_get_mtu(void); |
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int tipc_bclink_xmit(struct sk_buff *buf); |
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void tipc_bclink_wakeup_users(void); |
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#endif
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