Commit | Line | Data |
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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 | ||
7be57fc6 RA |
40 | #include "netlink.h" |
41 | ||
b97bf3fd PL |
42 | #define MAX_NODES 4096 |
43 | #define WSIZE 32 | |
3f5a12bd | 44 | #define TIPC_BCLINK_RESET 1 |
b97bf3fd PL |
45 | |
46 | /** | |
6c00055a | 47 | * struct tipc_node_map - set of node identifiers |
b97bf3fd PL |
48 | * @count: # of nodes in set |
49 | * @map: bitmap of node identifiers that are in the set | |
50 | */ | |
6c00055a | 51 | struct tipc_node_map { |
b97bf3fd PL |
52 | u32 count; |
53 | u32 map[MAX_NODES / WSIZE]; | |
54 | }; | |
55 | ||
b97bf3fd PL |
56 | #define PLSIZE 32 |
57 | ||
58 | /** | |
4584310b | 59 | * struct tipc_port_list - set of node local destination ports |
b97bf3fd PL |
60 | * @count: # of ports in set (only valid for first entry in list) |
61 | * @next: pointer to next entry in list | |
62 | * @ports: array of port references | |
63 | */ | |
4584310b | 64 | struct tipc_port_list { |
b97bf3fd | 65 | int count; |
4584310b | 66 | struct tipc_port_list *next; |
b97bf3fd PL |
67 | u32 ports[PLSIZE]; |
68 | }; | |
69 | ||
70 | ||
6c00055a | 71 | struct tipc_node; |
b97bf3fd | 72 | |
4b704d59 | 73 | extern const char tipc_bclink_name[]; |
b97bf3fd | 74 | |
b97bf3fd | 75 | /** |
c68ca7b7 | 76 | * tipc_nmap_equal - test for equality of node maps |
b97bf3fd | 77 | */ |
ae8509c4 PG |
78 | static inline int tipc_nmap_equal(struct tipc_node_map *nm_a, |
79 | struct tipc_node_map *nm_b) | |
b97bf3fd PL |
80 | { |
81 | return !memcmp(nm_a, nm_b, sizeof(*nm_a)); | |
82 | } | |
83 | ||
4584310b PG |
84 | void tipc_port_list_add(struct tipc_port_list *pl_ptr, u32 port); |
85 | void tipc_port_list_free(struct tipc_port_list *pl_ptr); | |
b97bf3fd | 86 | |
eb8b00f5 | 87 | int tipc_bclink_init(void); |
4323add6 | 88 | void tipc_bclink_stop(void); |
3f5a12bd | 89 | void tipc_bclink_set_flags(unsigned int flags); |
cd3decdf AS |
90 | void tipc_bclink_add_node(u32 addr); |
91 | void tipc_bclink_remove_node(u32 addr); | |
01d83edd | 92 | struct tipc_node *tipc_bclink_retransmit_to(void); |
6c00055a | 93 | void tipc_bclink_acknowledge(struct tipc_node *n_ptr, u32 acked); |
247f0f3c | 94 | void tipc_bclink_rcv(struct sk_buff *buf); |
4323add6 | 95 | u32 tipc_bclink_get_last_sent(void); |
6c00055a | 96 | u32 tipc_bclink_acks_missing(struct tipc_node *n_ptr); |
7a54d4a9 | 97 | void tipc_bclink_update_link_state(struct tipc_node *n_ptr, u32 last_sent); |
4323add6 PL |
98 | int tipc_bclink_stats(char *stats_buf, const u32 buf_size); |
99 | int tipc_bclink_reset_stats(void); | |
100 | int tipc_bclink_set_queue_limits(u32 limit); | |
28dd9418 | 101 | void tipc_bcbearer_sort(struct tipc_node_map *nm_ptr, u32 node, bool action); |
078bec82 | 102 | uint tipc_bclink_get_mtu(void); |
a6ca1094 | 103 | int tipc_bclink_xmit(struct sk_buff_head *list); |
908344cd | 104 | void tipc_bclink_wakeup_users(void); |
7be57fc6 RA |
105 | int tipc_nl_add_bc_link(struct tipc_nl_msg *msg); |
106 | ||
b97bf3fd | 107 | #endif |