1 /* 1 /*
2 * net/tipc/bcast.h: Include file for TIPC bro 2 * net/tipc/bcast.h: Include file for TIPC broadcast code
3 * 3 *
4 * Copyright (c) 2003-2006, 2014-2015, Ericsso !! 4 * Copyright (c) 2003-2006, Ericsson AB
5 * Copyright (c) 2005, 2010-2011, Wind River S 5 * Copyright (c) 2005, 2010-2011, Wind River Systems
6 * All rights reserved. 6 * All rights reserved.
7 * 7 *
8 * Redistribution and use in source and binary 8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that t 9 * modification, are permitted provided that the following conditions are met:
10 * 10 *
11 * 1. Redistributions of source code must reta 11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the 12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must repr 13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the 14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials pro 15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the names of the copyright holde 16 * 3. Neither the names of the copyright holders nor the names of its
17 * contributors may be used to endorse or p 17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior wri 18 * this software without specific prior written permission.
19 * 19 *
20 * Alternatively, this software may be distrib 20 * Alternatively, this software may be distributed under the terms of the
21 * GNU General Public License ("GPL") version 21 * GNU General Public License ("GPL") version 2 as published by the Free
22 * Software Foundation. 22 * Software Foundation.
23 * 23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCL 25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND F 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYR 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL 28 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT L 29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THE 31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUD 32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 * ARISING IN ANY WAY OUT OF THE USE OF THIS S 33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE. 34 * POSSIBILITY OF SUCH DAMAGE.
35 */ 35 */
36 36
37 #ifndef _TIPC_BCAST_H 37 #ifndef _TIPC_BCAST_H
38 #define _TIPC_BCAST_H 38 #define _TIPC_BCAST_H
39 39
40 #include "core.h" !! 40 #define MAX_NODES 4096
>> 41 #define WSIZE 32
41 42
42 struct tipc_node; !! 43 /**
43 struct tipc_msg; !! 44 * struct tipc_node_map - set of node identifiers
44 struct tipc_nl_msg; !! 45 * @count: # of nodes in set
45 struct tipc_nlist; !! 46 * @map: bitmap of node identifiers that are in the set
46 struct tipc_nitem; !! 47 */
47 extern const char tipc_bclink_name[]; !! 48 struct tipc_node_map {
48 extern unsigned long sysctl_tipc_bc_retruni; !! 49 u32 count;
49 !! 50 u32 map[MAX_NODES / WSIZE];
50 #define TIPC_METHOD_EXPIRE msecs_to_jiffies(50 <<
51 <<
52 #define BCLINK_MODE_BCAST 0x1 <<
53 #define BCLINK_MODE_RCAST 0x2 <<
54 #define BCLINK_MODE_SEL 0x4 <<
55 <<
56 struct tipc_nlist { <<
57 struct list_head list; <<
58 u32 self; <<
59 u16 remote; <<
60 bool local; <<
61 }; 51 };
62 52
63 void tipc_nlist_init(struct tipc_nlist *nl, u3 !! 53 #define PLSIZE 32
64 void tipc_nlist_purge(struct tipc_nlist *nl); !! 54
65 void tipc_nlist_add(struct tipc_nlist *nl, u32 !! 55 /**
66 void tipc_nlist_del(struct tipc_nlist *nl, u32 !! 56 * struct tipc_port_list - set of node local destination ports
67 !! 57 * @count: # of ports in set (only valid for first entry in list)
68 /* Cookie to be used between socket and broadc !! 58 * @next: pointer to next entry in list
69 * @rcast: replicast (instead of broadcast) wa !! 59 * @ports: array of port references
70 * @mandatory: broadcast/replicast indication <<
71 * @deferredq: defer queue to make message in <<
72 * @expires: re-evaluate non-mandatory transmi <<
73 */ 60 */
74 struct tipc_mc_method { !! 61 struct tipc_port_list {
75 bool rcast; !! 62 int count;
76 bool mandatory; !! 63 struct tipc_port_list *next;
77 struct sk_buff_head deferredq; !! 64 u32 ports[PLSIZE];
78 unsigned long expires; <<
79 }; 65 };
80 66
81 int tipc_bcast_init(struct net *net); <<
82 void tipc_bcast_stop(struct net *net); <<
83 void tipc_bcast_add_peer(struct net *net, stru <<
84 struct sk_buff_head * <<
85 void tipc_bcast_remove_peer(struct net *net, s <<
86 void tipc_bcast_inc_bearer_dst_cnt(struct net <<
87 void tipc_bcast_dec_bearer_dst_cnt(struct net <<
88 int tipc_bcast_get_mtu(struct net *net); <<
89 void tipc_bcast_toggle_rcast(struct net *net, <<
90 int tipc_mcast_xmit(struct net *net, struct sk <<
91 struct tipc_mc_method *met <<
92 u16 *cong_link_cnt); <<
93 int tipc_bcast_xmit(struct net *net, struct sk <<
94 u16 *cong_link_cnt); <<
95 int tipc_bcast_rcv(struct net *net, struct tip <<
96 void tipc_bcast_ack_rcv(struct net *net, struc <<
97 struct tipc_msg *hdr); <<
98 int tipc_bcast_sync_rcv(struct net *net, struc <<
99 struct tipc_msg *hdr, <<
100 struct sk_buff_head *r <<
101 int tipc_nl_add_bc_link(struct net *net, struc <<
102 struct tipc_link *bcl) <<
103 int tipc_nl_bc_link_set(struct net *net, struc <<
104 int tipc_bclink_reset_stats(struct net *net, s <<
105 67
106 u32 tipc_bcast_get_mode(struct net *net); !! 68 struct tipc_node;
107 u32 tipc_bcast_get_broadcast_ratio(struct net !! 69
>> 70 extern const char tipc_bclink_name[];
108 71
109 void tipc_mcast_filter_msg(struct net *net, st !! 72 void tipc_nmap_add(struct tipc_node_map *nm_ptr, u32 node);
110 struct sk_buff_head !! 73 void tipc_nmap_remove(struct tipc_node_map *nm_ptr, u32 node);
111 74
112 static inline void tipc_bcast_lock(struct net !! 75 /**
>> 76 * tipc_nmap_equal - test for equality of node maps
>> 77 */
>> 78 static inline int tipc_nmap_equal(struct tipc_node_map *nm_a, struct tipc_node_map *nm_b)
113 { 79 {
114 spin_lock_bh(&tipc_net(net)->bclock); !! 80 return !memcmp(nm_a, nm_b, sizeof(*nm_a));
115 } 81 }
116 82
117 static inline void tipc_bcast_unlock(struct ne !! 83 void tipc_port_list_add(struct tipc_port_list *pl_ptr, u32 port);
118 { !! 84 void tipc_port_list_free(struct tipc_port_list *pl_ptr);
119 spin_unlock_bh(&tipc_net(net)->bclock) <<
120 } <<
121 85
122 static inline struct tipc_link *tipc_bc_sndlin !! 86 void tipc_bclink_init(void);
123 { !! 87 void tipc_bclink_stop(void);
124 return tipc_net(net)->bcl; !! 88 void tipc_bclink_add_node(u32 addr);
125 } !! 89 void tipc_bclink_remove_node(u32 addr);
>> 90 struct tipc_node *tipc_bclink_retransmit_to(void);
>> 91 void tipc_bclink_acknowledge(struct tipc_node *n_ptr, u32 acked);
>> 92 int tipc_bclink_send_msg(struct sk_buff *buf);
>> 93 void tipc_bclink_recv_pkt(struct sk_buff *buf);
>> 94 u32 tipc_bclink_get_last_sent(void);
>> 95 u32 tipc_bclink_acks_missing(struct tipc_node *n_ptr);
>> 96 void tipc_bclink_update_link_state(struct tipc_node *n_ptr, u32 last_sent);
>> 97 int tipc_bclink_stats(char *stats_buf, const u32 buf_size);
>> 98 int tipc_bclink_reset_stats(void);
>> 99 int tipc_bclink_set_queue_limits(u32 limit);
>> 100 void tipc_bcbearer_sort(void);
126 101
127 #endif 102 #endif
128 103
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