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37#ifndef _TIPC_BCAST_H
38#define _TIPC_BCAST_H
39
40#include "core.h"
41
42struct tipc_node;
43struct tipc_msg;
44struct tipc_nl_msg;
45struct tipc_nlist;
46struct tipc_nitem;
47extern const char tipc_bclink_name[];
48extern unsigned long sysctl_tipc_bc_retruni;
49
50#define TIPC_METHOD_EXPIRE msecs_to_jiffies(5000)
51
52#define BCLINK_MODE_BCAST 0x1
53#define BCLINK_MODE_RCAST 0x2
54#define BCLINK_MODE_SEL 0x4
55
56struct tipc_nlist {
57 struct list_head list;
58 u32 self;
59 u16 remote;
60 bool local;
61};
62
63void tipc_nlist_init(struct tipc_nlist *nl, u32 self);
64void tipc_nlist_purge(struct tipc_nlist *nl);
65void tipc_nlist_add(struct tipc_nlist *nl, u32 node);
66void tipc_nlist_del(struct tipc_nlist *nl, u32 node);
67
68
69
70
71
72
73
74struct tipc_mc_method {
75 bool rcast;
76 bool mandatory;
77 struct sk_buff_head deferredq;
78 unsigned long expires;
79};
80
81int tipc_bcast_init(struct net *net);
82void tipc_bcast_stop(struct net *net);
83void tipc_bcast_add_peer(struct net *net, struct tipc_link *l,
84 struct sk_buff_head *xmitq);
85void tipc_bcast_remove_peer(struct net *net, struct tipc_link *rcv_bcl);
86void tipc_bcast_inc_bearer_dst_cnt(struct net *net, int bearer_id);
87void tipc_bcast_dec_bearer_dst_cnt(struct net *net, int bearer_id);
88int tipc_bcast_get_mtu(struct net *net);
89void tipc_bcast_toggle_rcast(struct net *net, bool supp);
90int tipc_mcast_xmit(struct net *net, struct sk_buff_head *pkts,
91 struct tipc_mc_method *method, struct tipc_nlist *dests,
92 u16 *cong_link_cnt);
93int tipc_bcast_xmit(struct net *net, struct sk_buff_head *pkts,
94 u16 *cong_link_cnt);
95int tipc_bcast_rcv(struct net *net, struct tipc_link *l, struct sk_buff *skb);
96void tipc_bcast_ack_rcv(struct net *net, struct tipc_link *l,
97 struct tipc_msg *hdr);
98int tipc_bcast_sync_rcv(struct net *net, struct tipc_link *l,
99 struct tipc_msg *hdr,
100 struct sk_buff_head *retrq);
101int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg,
102 struct tipc_link *bcl);
103int tipc_nl_bc_link_set(struct net *net, struct nlattr *attrs[]);
104int tipc_bclink_reset_stats(struct net *net, struct tipc_link *l);
105
106u32 tipc_bcast_get_mode(struct net *net);
107u32 tipc_bcast_get_broadcast_ratio(struct net *net);
108
109void tipc_mcast_filter_msg(struct net *net, struct sk_buff_head *defq,
110 struct sk_buff_head *inputq);
111
112static inline void tipc_bcast_lock(struct net *net)
113{
114 spin_lock_bh(&tipc_net(net)->bclock);
115}
116
117static inline void tipc_bcast_unlock(struct net *net)
118{
119 spin_unlock_bh(&tipc_net(net)->bclock);
120}
121
122static inline struct tipc_link *tipc_bc_sndlink(struct net *net)
123{
124 return tipc_net(net)->bcl;
125}
126
127#endif
128