diff options
Diffstat (limited to 'net/tipc/node.h')
| -rw-r--r-- | net/tipc/node.h | 166 |
1 files changed, 83 insertions, 83 deletions
diff --git a/net/tipc/node.h b/net/tipc/node.h index 3c189b35b102..154a5bbb0d29 100644 --- a/net/tipc/node.h +++ b/net/tipc/node.h @@ -1,8 +1,8 @@ /* * net/tipc/node.h: Include file for TIPC node management routines * - * Copyright (c) 2000-2006, Ericsson AB - * Copyright (c) 2005, 2010-2011, Wind River Systems + * Copyright (c) 2000-2006, 2014-2016, Ericsson AB + * Copyright (c) 2005, 2010-2014, Wind River Systems * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -37,95 +37,95 @@ #ifndef _TIPC_NODE_H #define _TIPC_NODE_H -#include "node_subscr.h" #include "addr.h" #include "net.h" #include "bearer.h" +#include "msg.h" -/* - * Out-of-range value for node signature - */ -#define INVALID_NODE_SIG 0x10000 - -/* Flags used to block (re)establishment of contact with a neighboring node */ -#define WAIT_PEER_DOWN 0x0001 /* wait to see that peer's links are down */ -#define WAIT_NAMES_GONE 0x0002 /* wait for peer's publications to be purged */ -#define WAIT_NODE_DOWN 0x0004 /* wait until peer node is declared down */ - -/** - * struct tipc_node - TIPC node structure - * @addr: network address of node - * @lock: spinlock governing access to structure - * @hash: links to adjacent nodes in unsorted hash chain - * @list: links to adjacent nodes in sorted list of cluster's nodes - * @nsub: list of "node down" subscriptions monitoring node - * @active_links: pointers to active links to node - * @links: pointers to all links to node - * @working_links: number of working links to node (both active and standby) - * @block_setup: bit mask of conditions preventing link establishment to node - * @link_cnt: number of links to node - * @permit_changeover: non-zero if node has redundant links to this system - * @signature: node instance identifier - * @bclink: broadcast-related info - * @acked: sequence # of last outbound b'cast message acknowledged by node - * @last_in: sequence # of last in-sequence b'cast message received from node - * @last_sent: sequence # of last b'cast message sent by node - * @oos_state: state tracker for handling OOS b'cast messages - * @deferred_size: number of OOS b'cast messages in deferred queue - * @deferred_head: oldest OOS b'cast message received from node - * @deferred_tail: newest OOS b'cast message received from node - * @defragm: list of partially reassembled b'cast message fragments from node - * @recv_permitted: true if node is allowed to receive b'cast messages +/* Optional capabilities supported by this code version */ -struct tipc_node { - u32 addr; - spinlock_t lock; - struct hlist_node hash; - struct list_head list; - struct list_head nsub; - struct tipc_link *active_links[2]; - struct tipc_link *links[MAX_BEARERS]; - int link_cnt; - int working_links; - int block_setup; - int permit_changeover; - u32 signature; - struct { - u32 acked; - u32 last_in; - u32 last_sent; - u32 oos_state; - u32 deferred_size; - struct sk_buff *deferred_head; - struct sk_buff *deferred_tail; - struct sk_buff *defragm; - bool recv_permitted; - } bclink; +enum { + TIPC_SYN_BIT = (1), + TIPC_BCAST_SYNCH = (1 << 1), + TIPC_BCAST_STATE_NACK = (1 << 2), + TIPC_BLOCK_FLOWCTL = (1 << 3), + TIPC_BCAST_RCAST = (1 << 4), + TIPC_NODE_ID128 = (1 << 5), + TIPC_LINK_PROTO_SEQNO = (1 << 6), + TIPC_MCAST_RBCTL = (1 << 7), + TIPC_GAP_ACK_BLOCK = (1 << 8), + TIPC_TUNNEL_ENHANCED = (1 << 9), + TIPC_NAGLE = (1 << 10), + TIPC_NAMED_BCAST = (1 << 11) }; -extern struct list_head tipc_node_list; +#define TIPC_NODE_CAPABILITIES (TIPC_SYN_BIT | \ + TIPC_BCAST_SYNCH | \ + TIPC_BCAST_STATE_NACK | \ + TIPC_BCAST_RCAST | \ + TIPC_BLOCK_FLOWCTL | \ + TIPC_NODE_ID128 | \ + TIPC_LINK_PROTO_SEQNO | \ + TIPC_MCAST_RBCTL | \ + TIPC_GAP_ACK_BLOCK | \ + TIPC_TUNNEL_ENHANCED | \ + TIPC_NAGLE | \ + TIPC_NAMED_BCAST) -struct tipc_node *tipc_node_find(u32 addr); -struct tipc_node *tipc_node_create(u32 addr); -void tipc_node_delete(struct tipc_node *n_ptr); -void tipc_node_attach_link(struct tipc_node *n_ptr, struct tipc_link *l_ptr); -void tipc_node_detach_link(struct tipc_node *n_ptr, struct tipc_link *l_ptr); -void tipc_node_link_down(struct tipc_node *n_ptr, struct tipc_link *l_ptr); -void tipc_node_link_up(struct tipc_node *n_ptr, struct tipc_link *l_ptr); -int tipc_node_active_links(struct tipc_node *n_ptr); -int tipc_node_redundant_links(struct tipc_node *n_ptr); -int tipc_node_is_up(struct tipc_node *n_ptr); -struct sk_buff *tipc_node_get_links(const void *req_tlv_area, int req_tlv_space); -struct sk_buff *tipc_node_get_nodes(const void *req_tlv_area, int req_tlv_space); +#define INVALID_BEARER_ID -1 -static inline void tipc_node_lock(struct tipc_node *n_ptr) -{ - spin_lock_bh(&n_ptr->lock); -} - -static inline void tipc_node_unlock(struct tipc_node *n_ptr) -{ - spin_unlock_bh(&n_ptr->lock); -} +void tipc_node_stop(struct net *net); +bool tipc_node_get_id(struct net *net, u32 addr, u8 *id); +u32 tipc_node_get_addr(struct tipc_node *node); +char *tipc_node_get_id_str(struct tipc_node *node); +void tipc_node_put(struct tipc_node *node); +void tipc_node_get(struct tipc_node *node); +struct tipc_node *tipc_node_create(struct net *net, u32 addr, u8 *peer_id, + u16 capabilities, u32 hash_mixes, + bool preliminary); +#ifdef CONFIG_TIPC_CRYPTO +struct tipc_crypto *tipc_node_crypto_rx(struct tipc_node *__n); +struct tipc_crypto *tipc_node_crypto_rx_by_list(struct list_head *pos); +struct tipc_crypto *tipc_node_crypto_rx_by_addr(struct net *net, u32 addr); +#endif +u32 tipc_node_try_addr(struct net *net, u8 *id, u32 addr); +void tipc_node_check_dest(struct net *net, u32 onode, u8 *peer_id128, + struct tipc_bearer *bearer, + u16 capabilities, u32 signature, u32 hash_mixes, + struct tipc_media_addr *maddr, + bool *respond, bool *dupl_addr); +void tipc_node_delete_links(struct net *net, int bearer_id); +void tipc_node_apply_property(struct net *net, struct tipc_bearer *b, int prop); +int tipc_node_get_linkname(struct net *net, u32 bearer_id, u32 node, + char *linkname, size_t len); +int tipc_node_xmit(struct net *net, struct sk_buff_head *list, u32 dnode, + int selector); +int tipc_node_distr_xmit(struct net *net, struct sk_buff_head *list); +int tipc_node_xmit_skb(struct net *net, struct sk_buff *skb, u32 dest, + u32 selector); +void tipc_node_subscribe(struct net *net, struct list_head *subscr, u32 addr); +void tipc_node_unsubscribe(struct net *net, struct list_head *subscr, u32 addr); +void tipc_node_broadcast(struct net *net, struct sk_buff *skb, int rc_dests); +int tipc_node_add_conn(struct net *net, u32 dnode, u32 port, u32 peer_port); +void tipc_node_remove_conn(struct net *net, u32 dnode, u32 port); +int tipc_node_get_mtu(struct net *net, u32 addr, u32 sel, bool connected); +bool tipc_node_is_up(struct net *net, u32 addr); +u16 tipc_node_get_capabilities(struct net *net, u32 addr); +int tipc_nl_node_dump(struct sk_buff *skb, struct netlink_callback *cb); +int tipc_nl_node_dump_link(struct sk_buff *skb, struct netlink_callback *cb); +int tipc_nl_node_reset_link_stats(struct sk_buff *skb, struct genl_info *info); +int tipc_nl_node_get_link(struct sk_buff *skb, struct genl_info *info); +int tipc_nl_node_set_link(struct sk_buff *skb, struct genl_info *info); +int tipc_nl_peer_rm(struct sk_buff *skb, struct genl_info *info); +int tipc_nl_node_set_monitor(struct sk_buff *skb, struct genl_info *info); +int tipc_nl_node_get_monitor(struct sk_buff *skb, struct genl_info *info); +int tipc_nl_node_dump_monitor(struct sk_buff *skb, struct netlink_callback *cb); +int tipc_nl_node_dump_monitor_peer(struct sk_buff *skb, + struct netlink_callback *cb); +#ifdef CONFIG_TIPC_CRYPTO +int tipc_nl_node_set_key(struct sk_buff *skb, struct genl_info *info); +int tipc_nl_node_flush_key(struct sk_buff *skb, struct genl_info *info); +#endif +void tipc_node_pre_cleanup_net(struct net *exit_net); #endif |
