2 * net/tipc/bcast.h: Include file for TIPC broadcast code
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5 * Copyright (c) 2005, 2010-2011, Wind River Systems
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47 extern const char tipc_bclink_name[];
49 #define TIPC_METHOD_EXPIRE msecs_to_jiffies(5000)
51 #define BCLINK_MODE_BCAST 0x1
52 #define BCLINK_MODE_RCAST 0x2
53 #define BCLINK_MODE_SEL 0x4
56 struct list_head list;
62 void tipc_nlist_init(struct tipc_nlist *nl, u32 self);
63 void tipc_nlist_purge(struct tipc_nlist *nl);
64 void tipc_nlist_add(struct tipc_nlist *nl, u32 node);
65 void tipc_nlist_del(struct tipc_nlist *nl, u32 node);
67 /* Cookie to be used between socket and broadcast layer
68 * @rcast: replicast (instead of broadcast) was used at previous xmit
69 * @mandatory: broadcast/replicast indication was set by user
70 * @deferredq: defer queue to make message in order
71 * @expires: re-evaluate non-mandatory transmit method if we are past this
73 struct tipc_mc_method {
76 struct sk_buff_head deferredq;
77 unsigned long expires;
80 int tipc_bcast_init(struct net *net);
81 void tipc_bcast_stop(struct net *net);
82 void tipc_bcast_add_peer(struct net *net, struct tipc_link *l,
83 struct sk_buff_head *xmitq);
84 void tipc_bcast_remove_peer(struct net *net, struct tipc_link *rcv_bcl);
85 void tipc_bcast_inc_bearer_dst_cnt(struct net *net, int bearer_id);
86 void tipc_bcast_dec_bearer_dst_cnt(struct net *net, int bearer_id);
87 int tipc_bcast_get_mtu(struct net *net);
88 void tipc_bcast_toggle_rcast(struct net *net, bool supp);
89 int tipc_mcast_xmit(struct net *net, struct sk_buff_head *pkts,
90 struct tipc_mc_method *method, struct tipc_nlist *dests,
92 int tipc_bcast_rcv(struct net *net, struct tipc_link *l, struct sk_buff *skb);
93 void tipc_bcast_ack_rcv(struct net *net, struct tipc_link *l,
94 struct tipc_msg *hdr);
95 int tipc_bcast_sync_rcv(struct net *net, struct tipc_link *l,
96 struct tipc_msg *hdr);
97 int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg);
98 int tipc_nl_bc_link_set(struct net *net, struct nlattr *attrs[]);
99 int tipc_bclink_reset_stats(struct net *net);
101 u32 tipc_bcast_get_broadcast_mode(struct net *net);
102 u32 tipc_bcast_get_broadcast_ratio(struct net *net);
104 void tipc_mcast_filter_msg(struct net *net, struct sk_buff_head *defq,
105 struct sk_buff_head *inputq);
107 static inline void tipc_bcast_lock(struct net *net)
109 spin_lock_bh(&tipc_net(net)->bclock);
112 static inline void tipc_bcast_unlock(struct net *net)
114 spin_unlock_bh(&tipc_net(net)->bclock);
117 static inline struct tipc_link *tipc_bc_sndlink(struct net *net)
119 return tipc_net(net)->bcl;