2 * net/tipc/bcast.h: Include file for TIPC broadcast code
4 * Copyright (c) 2003-2006, 2014-2015, Ericsson AB
5 * Copyright (c) 2005, 2010-2011, Wind River Systems
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47 extern const char tipc_bclink_name[];
48 extern unsigned long sysctl_tipc_bc_retruni;
50 #define TIPC_METHOD_EXPIRE msecs_to_jiffies(5000)
52 #define BCLINK_MODE_BCAST 0x1
53 #define BCLINK_MODE_RCAST 0x2
54 #define BCLINK_MODE_SEL 0x4
57 struct list_head list;
63 void tipc_nlist_init(struct tipc_nlist *nl, u32 self);
64 void tipc_nlist_purge(struct tipc_nlist *nl);
65 void tipc_nlist_add(struct tipc_nlist *nl, u32 node);
66 void tipc_nlist_del(struct tipc_nlist *nl, u32 node);
68 /* Cookie to be used between socket and broadcast layer
69 * @rcast: replicast (instead of broadcast) was used at previous xmit
70 * @mandatory: broadcast/replicast indication was set by user
71 * @deferredq: defer queue to make message in order
72 * @expires: re-evaluate non-mandatory transmit method if we are past this
74 struct tipc_mc_method {
77 struct sk_buff_head deferredq;
78 unsigned long expires;
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, struct tipc_link *l,
84 struct sk_buff_head *xmitq);
85 void tipc_bcast_remove_peer(struct net *net, struct tipc_link *rcv_bcl);
86 void tipc_bcast_inc_bearer_dst_cnt(struct net *net, int bearer_id);
87 void tipc_bcast_dec_bearer_dst_cnt(struct net *net, int bearer_id);
88 int tipc_bcast_get_mtu(struct net *net);
89 void tipc_bcast_toggle_rcast(struct net *net, bool supp);
90 int tipc_mcast_xmit(struct net *net, struct sk_buff_head *pkts,
91 struct tipc_mc_method *method, struct tipc_nlist *dests,
93 int tipc_bcast_xmit(struct net *net, struct sk_buff_head *pkts,
95 int tipc_bcast_rcv(struct net *net, struct tipc_link *l, struct sk_buff *skb);
96 void tipc_bcast_ack_rcv(struct net *net, struct tipc_link *l,
97 struct tipc_msg *hdr);
98 int tipc_bcast_sync_rcv(struct net *net, struct tipc_link *l,
100 struct sk_buff_head *retrq);
101 int tipc_nl_add_bc_link(struct net *net, struct tipc_nl_msg *msg,
102 struct tipc_link *bcl);
103 int tipc_nl_bc_link_set(struct net *net, struct nlattr *attrs[]);
104 int tipc_bclink_reset_stats(struct net *net, struct tipc_link *l);
106 u32 tipc_bcast_get_mode(struct net *net);
107 u32 tipc_bcast_get_broadcast_ratio(struct net *net);
109 void tipc_mcast_filter_msg(struct net *net, struct sk_buff_head *defq,
110 struct sk_buff_head *inputq);
112 static inline void tipc_bcast_lock(struct net *net)
114 spin_lock_bh(&tipc_net(net)->bclock);
117 static inline void tipc_bcast_unlock(struct net *net)
119 spin_unlock_bh(&tipc_net(net)->bclock);
122 static inline struct tipc_link *tipc_bc_sndlink(struct net *net)
124 return tipc_net(net)->bcl;