diff options
Diffstat (limited to 'net/tipc/name_table.h')
| -rw-r--r-- | net/tipc/name_table.h | 77 |
1 files changed, 40 insertions, 37 deletions
diff --git a/net/tipc/name_table.h b/net/tipc/name_table.h index 728bc7016c38..3bcd9ef8cee3 100644 --- a/net/tipc/name_table.h +++ b/net/tipc/name_table.h @@ -3,6 +3,7 @@ * * Copyright (c) 2000-2006, 2014-2018, Ericsson AB * Copyright (c) 2004-2005, 2010-2011, Wind River Systems + * Copyright (c) 2020-2021, Red Hat Inc * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -41,6 +42,7 @@ struct tipc_subscription; struct tipc_plist; struct tipc_nlist; struct tipc_group; +struct tipc_uaddr; /* * TIPC name types reserved for internal TIPC use (both current and planned) @@ -49,19 +51,18 @@ struct tipc_group; #define TIPC_PUBL_SCOPE_NUM (TIPC_NODE_SCOPE + 1) #define TIPC_NAMETBL_SIZE 1024 /* must be a power of 2 */ +#define TIPC_ANY_SCOPE 10 /* Both node and cluster scope will match */ + /** - * struct publication - info about a published (name or) name sequence - * @type: name sequence type - * @lower: name sequence lower bound - * @upper: name sequence upper bound + * struct publication - info about a published service address or range + * @sr: service range represented by this publication + * @sk: address of socket bound to this publication * @scope: scope of publication, TIPC_NODE_SCOPE or TIPC_CLUSTER_SCOPE - * @node: network address of publishing socket's node - * @port: publishing port * @key: publication key, unique across the cluster * @id: publication id * @binding_node: all publications from the same node which bound this one - * - Remote publications: in node->publ_list - * Used by node/name distr to withdraw publications when node is lost + * - Remote publications: in node->publ_list; + * Used by node/name distr to withdraw publications when node is lost * - Local/node scope publications: in name_table->node_scope list * - Local/cluster scope publications: in name_table->cluster_scope list * @binding_sock: all publications from the same socket which bound this one @@ -74,12 +75,9 @@ struct tipc_group; * @rcu: RCU callback head used for deferred freeing */ struct publication { - u32 type; - u32 lower; - u32 upper; - u32 scope; - u32 node; - u32 port; + struct tipc_service_range sr; + struct tipc_socket_addr sk; + u16 scope; u32 key; u32 id; struct list_head binding_node; @@ -92,13 +90,16 @@ struct publication { /** * struct name_table - table containing all existing port name publications - * @seq_hlist: name sequence hash lists + * @services: name sequence hash lists * @node_scope: all local publications with node scope * - used by name_distr during re-init of name table * @cluster_scope: all local publications with cluster scope * - used by name_distr to send bulk updates to new nodes * - used by name_distr during re-init of name table + * @cluster_scope_lock: lock for accessing @cluster_scope * @local_publ_count: number of publications issued by this node + * @rc_dests: destination node counter + * @snd_nxt: next sequence number to be used */ struct name_table { struct hlist_head services[TIPC_NAMETBL_SIZE]; @@ -106,31 +107,34 @@ struct name_table { struct list_head cluster_scope; rwlock_t cluster_scope_lock; u32 local_publ_count; + u32 rc_dests; + u32 snd_nxt; }; int tipc_nl_name_table_dump(struct sk_buff *skb, struct netlink_callback *cb); - -u32 tipc_nametbl_translate(struct net *net, u32 type, u32 instance, u32 *node); -void tipc_nametbl_mc_lookup(struct net *net, u32 type, u32 lower, u32 upper, - u32 scope, bool exact, struct list_head *dports); +bool tipc_nametbl_lookup_anycast(struct net *net, struct tipc_uaddr *ua, + struct tipc_socket_addr *sk); +void tipc_nametbl_lookup_mcast_sockets(struct net *net, struct tipc_uaddr *ua, + struct list_head *dports); +void tipc_nametbl_lookup_mcast_nodes(struct net *net, struct tipc_uaddr *ua, + struct tipc_nlist *nodes); +bool tipc_nametbl_lookup_group(struct net *net, struct tipc_uaddr *ua, + struct list_head *dsts, int *dstcnt, + u32 exclude, bool mcast); void tipc_nametbl_build_group(struct net *net, struct tipc_group *grp, - u32 type, u32 domain); -void tipc_nametbl_lookup_dst_nodes(struct net *net, u32 type, u32 lower, - u32 upper, struct tipc_nlist *nodes); -bool tipc_nametbl_lookup(struct net *net, u32 type, u32 instance, u32 domain, - struct list_head *dsts, int *dstcnt, u32 exclude, - bool all); -struct publication *tipc_nametbl_publish(struct net *net, u32 type, u32 lower, - u32 upper, u32 scope, u32 port, - u32 key); -int tipc_nametbl_withdraw(struct net *net, u32 type, u32 lower, u32 upper, - u32 key); -struct publication *tipc_nametbl_insert_publ(struct net *net, u32 type, - u32 lower, u32 upper, u32 scope, - u32 node, u32 ref, u32 key); -struct publication *tipc_nametbl_remove_publ(struct net *net, u32 type, - u32 lower, u32 upper, - u32 node, u32 key); + struct tipc_uaddr *ua); +struct publication *tipc_nametbl_publish(struct net *net, struct tipc_uaddr *ua, + struct tipc_socket_addr *sk, u32 key); +void tipc_nametbl_withdraw(struct net *net, struct tipc_uaddr *ua, + struct tipc_socket_addr *sk, u32 key); +struct publication *tipc_nametbl_insert_publ(struct net *net, + struct tipc_uaddr *ua, + struct tipc_socket_addr *sk, + u32 key); +struct publication *tipc_nametbl_remove_publ(struct net *net, + struct tipc_uaddr *ua, + struct tipc_socket_addr *sk, + u32 key); bool tipc_nametbl_subscribe(struct tipc_subscription *s); void tipc_nametbl_unsubscribe(struct tipc_subscription *s); int tipc_nametbl_init(struct net *net); @@ -147,6 +151,5 @@ bool tipc_dest_push(struct list_head *l, u32 node, u32 port); bool tipc_dest_pop(struct list_head *l, u32 *node, u32 *port); bool tipc_dest_del(struct list_head *l, u32 node, u32 port); void tipc_dest_list_purge(struct list_head *l); -int tipc_dest_list_len(struct list_head *l); #endif |