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b97bf3fd PL |
1 | /* |
2 | * net/tipc/bcast.h: Include file for TIPC broadcast code | |
c4307285 | 3 | * |
078bec82 | 4 | * Copyright (c) 2003-2006, 2014, Ericsson AB |
01d83edd | 5 | * Copyright (c) 2005, 2010-2011, Wind River Systems |
b97bf3fd PL |
6 | * All rights reserved. |
7 | * | |
9ea1fd3c | 8 | * Redistribution and use in source and binary forms, with or without |
b97bf3fd PL |
9 | * modification, are permitted provided that the following conditions are met: |
10 | * | |
9ea1fd3c PL |
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. | |
b97bf3fd | 19 | * |
9ea1fd3c PL |
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 | |
b97bf3fd PL |
34 | * POSSIBILITY OF SUCH DAMAGE. |
35 | */ | |
36 | ||
37 | #ifndef _TIPC_BCAST_H | |
38 | #define _TIPC_BCAST_H | |
39 | ||
40 | #define MAX_NODES 4096 | |
41 | #define WSIZE 32 | |
3f5a12bd | 42 | #define TIPC_BCLINK_RESET 1 |
b97bf3fd PL |
43 | |
44 | /** | |
6c00055a | 45 | * struct tipc_node_map - set of node identifiers |
b97bf3fd PL |
46 | * @count: # of nodes in set |
47 | * @map: bitmap of node identifiers that are in the set | |
48 | */ | |
6c00055a | 49 | struct tipc_node_map { |
b97bf3fd PL |
50 | u32 count; |
51 | u32 map[MAX_NODES / WSIZE]; | |
52 | }; | |
53 | ||
b97bf3fd PL |
54 | #define PLSIZE 32 |
55 | ||
56 | /** | |
4584310b | 57 | * struct tipc_port_list - set of node local destination ports |
b97bf3fd PL |
58 | * @count: # of ports in set (only valid for first entry in list) |
59 | * @next: pointer to next entry in list | |
60 | * @ports: array of port references | |
61 | */ | |
4584310b | 62 | struct tipc_port_list { |
b97bf3fd | 63 | int count; |
4584310b | 64 | struct tipc_port_list *next; |
b97bf3fd PL |
65 | u32 ports[PLSIZE]; |
66 | }; | |
67 | ||
68 | ||
6c00055a | 69 | struct tipc_node; |
b97bf3fd | 70 | |
4b704d59 | 71 | extern const char tipc_bclink_name[]; |
b97bf3fd | 72 | |
b97bf3fd | 73 | /** |
c68ca7b7 | 74 | * tipc_nmap_equal - test for equality of node maps |
b97bf3fd | 75 | */ |
ae8509c4 PG |
76 | static inline int tipc_nmap_equal(struct tipc_node_map *nm_a, |
77 | struct tipc_node_map *nm_b) | |
b97bf3fd PL |
78 | { |
79 | return !memcmp(nm_a, nm_b, sizeof(*nm_a)); | |
80 | } | |
81 | ||
4584310b PG |
82 | void tipc_port_list_add(struct tipc_port_list *pl_ptr, u32 port); |
83 | void tipc_port_list_free(struct tipc_port_list *pl_ptr); | |
b97bf3fd | 84 | |
eb8b00f5 | 85 | int tipc_bclink_init(void); |
4323add6 | 86 | void tipc_bclink_stop(void); |
3f5a12bd | 87 | void tipc_bclink_set_flags(unsigned int flags); |
cd3decdf AS |
88 | void tipc_bclink_add_node(u32 addr); |
89 | void tipc_bclink_remove_node(u32 addr); | |
01d83edd | 90 | struct tipc_node *tipc_bclink_retransmit_to(void); |
6c00055a | 91 | void tipc_bclink_acknowledge(struct tipc_node *n_ptr, u32 acked); |
247f0f3c | 92 | void tipc_bclink_rcv(struct sk_buff *buf); |
4323add6 | 93 | u32 tipc_bclink_get_last_sent(void); |
6c00055a | 94 | u32 tipc_bclink_acks_missing(struct tipc_node *n_ptr); |
7a54d4a9 | 95 | void tipc_bclink_update_link_state(struct tipc_node *n_ptr, u32 last_sent); |
4323add6 PL |
96 | int tipc_bclink_stats(char *stats_buf, const u32 buf_size); |
97 | int tipc_bclink_reset_stats(void); | |
98 | int tipc_bclink_set_queue_limits(u32 limit); | |
28dd9418 | 99 | void tipc_bcbearer_sort(struct tipc_node_map *nm_ptr, u32 node, bool action); |
078bec82 | 100 | uint tipc_bclink_get_mtu(void); |
9fbfb8b1 | 101 | int tipc_bclink_xmit(struct sk_buff *buf); |
908344cd | 102 | void tipc_bclink_wakeup_users(void); |
b97bf3fd | 103 | #endif |