2 * net/tipc/name_table.h: Include file for TIPC name table code
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37 #ifndef _TIPC_NAME_TABLE_H
38 #define _TIPC_NAME_TABLE_H
40 struct tipc_subscription;
46 * TIPC name types reserved for internal TIPC use (both current and planned)
48 #define TIPC_ZM_SRV 3 /* zone master service name type */
49 #define TIPC_PUBL_SCOPE_NUM (TIPC_NODE_SCOPE + 1)
50 #define TIPC_NAMETBL_SIZE 1024 /* must be a power of 2 */
53 * struct publication - info about a published (name or) name sequence
54 * @type: name sequence type
55 * @lower: name sequence lower bound
56 * @upper: name sequence upper bound
57 * @scope: scope of publication
58 * @node: network address of publishing port's node
59 * @ref: publishing port
60 * @key: publication key
61 * @nodesub_list: subscription to "node down" event (off-node publication only)
62 * @local_list: adjacent entries in list of publications made by this node
63 * @pport_list: adjacent entries in list of publications made by this port
64 * @node_list: adjacent matching name seq publications with >= node scope
65 * @cluster_list: adjacent matching name seq publications with >= cluster scope
66 * @zone_list: adjacent matching name seq publications with >= zone scope
67 * @rcu: RCU callback head used for deferred freeing
69 * Note that the node list, cluster list, and zone list are circular lists.
79 struct list_head nodesub_list;
80 struct list_head local_list;
81 struct list_head pport_list;
82 struct list_head node_list;
83 struct list_head cluster_list;
84 struct list_head zone_list;
89 * struct name_table - table containing all existing port name publications
90 * @seq_hlist: name sequence hash lists
91 * @publ_list: pulication lists
92 * @local_publ_count: number of publications issued by this node
95 struct hlist_head seq_hlist[TIPC_NAMETBL_SIZE];
96 struct list_head publ_list[TIPC_PUBL_SCOPE_NUM];
100 int tipc_nl_name_table_dump(struct sk_buff *skb, struct netlink_callback *cb);
102 u32 tipc_nametbl_translate(struct net *net, u32 type, u32 instance, u32 *node);
103 int tipc_nametbl_mc_translate(struct net *net, u32 type, u32 lower, u32 upper,
104 u32 limit, struct list_head *dports);
105 void tipc_nametbl_build_group(struct net *net, struct tipc_group *grp,
106 u32 type, u32 domain);
107 void tipc_nametbl_lookup_dst_nodes(struct net *net, u32 type, u32 lower,
108 u32 upper, u32 domain,
109 struct tipc_nlist *nodes);
110 bool tipc_nametbl_lookup(struct net *net, u32 type, u32 instance, u32 domain,
111 struct list_head *dsts, int *dstcnt, u32 exclude,
113 struct publication *tipc_nametbl_publish(struct net *net, u32 type, u32 lower,
114 u32 upper, u32 scope, u32 port_ref,
116 int tipc_nametbl_withdraw(struct net *net, u32 type, u32 lower, u32 ref,
118 struct publication *tipc_nametbl_insert_publ(struct net *net, u32 type,
119 u32 lower, u32 upper, u32 scope,
120 u32 node, u32 ref, u32 key);
121 struct publication *tipc_nametbl_remove_publ(struct net *net, u32 type,
122 u32 lower, u32 node, u32 ref,
124 void tipc_nametbl_subscribe(struct tipc_subscription *s, bool status);
125 void tipc_nametbl_unsubscribe(struct tipc_subscription *s);
126 int tipc_nametbl_init(struct net *net);
127 void tipc_nametbl_stop(struct net *net);
130 struct list_head list;
140 struct tipc_dest *tipc_dest_find(struct list_head *l, u32 node, u32 port);
141 bool tipc_dest_push(struct list_head *l, u32 node, u32 port);
142 bool tipc_dest_pop(struct list_head *l, u32 *node, u32 *port);
143 bool tipc_dest_del(struct list_head *l, u32 node, u32 port);
144 void tipc_dest_list_purge(struct list_head *l);
145 int tipc_dest_list_len(struct list_head *l);