#include "bearer.h"
#include "msg.h"
-/* Out-of-range value for node signature */
-#define INVALID_NODE_SIG 0x10000
-
#define INVALID_BEARER_ID -1
-/* Flags used to take different actions according to flag type
- * TIPC_NOTIFY_NODE_DOWN: notify node is down
- * TIPC_NOTIFY_NODE_UP: notify node is up
- * TIPC_DISTRIBUTE_NAME: publish or withdraw link state name type
- */
-enum {
- TIPC_NOTIFY_NODE_DOWN = (1 << 3),
- TIPC_NOTIFY_NODE_UP = (1 << 4),
- TIPC_NOTIFY_LINK_UP = (1 << 6),
- TIPC_NOTIFY_LINK_DOWN = (1 << 7)
-};
-
/* Optional capabilities supported by this code version
*/
enum {
#define TIPC_NODE_CAPABILITIES TIPC_BCAST_SYNCH
-struct tipc_link_entry {
- struct tipc_link *link;
- spinlock_t lock; /* per-link */
- u32 mtu;
- struct sk_buff_head inputq;
- struct tipc_media_addr maddr;
-};
-
-struct tipc_bclink_entry {
- struct tipc_link *link;
- struct sk_buff_head inputq1;
- struct sk_buff_head arrvq;
- struct sk_buff_head inputq2;
- struct sk_buff_head namedq;
-};
-
-/**
- * struct tipc_node - TIPC node structure
- * @addr: network address of node
- * @ref: reference counter to node object
- * @lock: rwlock governing access to structure
- * @net: the applicable net namespace
- * @hash: links to adjacent nodes in unsorted hash chain
- * @inputq: pointer to input queue containing messages for msg event
- * @namedq: pointer to name table input queue with name table messages
- * @active_links: bearer ids of active links, used as index into links[] array
- * @links: array containing references to all links to node
- * @action_flags: bit mask of different types of node actions
- * @state: connectivity state vs peer node
- * @sync_point: sequence number where synch/failover is finished
- * @list: links to adjacent nodes in sorted list of cluster's nodes
- * @working_links: number of working links to node (both active and standby)
- * @link_cnt: number of links to node
- * @capabilities: bitmap, indicating peer node's functional capabilities
- * @signature: node instance identifier
- * @link_id: local and remote bearer ids of changing link, if any
- * @publ_list: list of publications
- * @rcu: rcu struct for tipc_node
- */
-struct tipc_node {
- u32 addr;
- struct kref kref;
- rwlock_t lock;
- struct net *net;
- struct hlist_node hash;
- int active_links[2];
- struct tipc_link_entry links[MAX_BEARERS];
- struct tipc_bclink_entry bc_entry;
- int action_flags;
- struct list_head list;
- int state;
- u16 sync_point;
- int link_cnt;
- u16 working_links;
- u16 capabilities;
- u32 signature;
- u32 link_id;
- struct list_head publ_list;
- struct list_head conn_sks;
- unsigned long keepalive_intv;
- struct timer_list timer;
- struct rcu_head rcu;
-};
-
-struct tipc_node *tipc_node_find(struct net *net, u32 addr);
-void tipc_node_put(struct tipc_node *node);
void tipc_node_stop(struct net *net);
void tipc_node_check_dest(struct net *net, u32 onode,
struct tipc_bearer *bearer,
struct tipc_media_addr *maddr,
bool *respond, bool *dupl_addr);
void tipc_node_delete_links(struct net *net, int bearer_id);
-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);
-bool tipc_node_is_up(struct tipc_node *n);
int tipc_node_get_linkname(struct net *net, u32 bearer_id, u32 node,
char *linkname, size_t len);
-void tipc_node_read_lock(struct tipc_node *n);
-void tipc_node_read_unlock(struct tipc_node *node);
int tipc_node_xmit(struct net *net, struct sk_buff_head *list, u32 dnode,
int selector);
int tipc_node_xmit_skb(struct net *net, struct sk_buff *skb, u32 dest,
void tipc_node_broadcast(struct net *net, struct sk_buff *skb);
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);
int tipc_nl_node_dump(struct sk_buff *skb, struct netlink_callback *cb);
-
-static inline struct tipc_link *node_active_link(struct tipc_node *n, int sel)
-{
- int bearer_id = n->active_links[sel & 1];
-
- if (unlikely(bearer_id == INVALID_BEARER_ID))
- return NULL;
-
- return n->links[bearer_id].link;
-}
-
-static inline unsigned int tipc_node_get_mtu(struct net *net, u32 addr, u32 sel)
-{
- struct tipc_node *n;
- int bearer_id;
- unsigned int mtu = MAX_MSG_SIZE;
-
- n = tipc_node_find(net, addr);
- if (unlikely(!n))
- return mtu;
-
- bearer_id = n->active_links[sel & 1];
- if (likely(bearer_id != INVALID_BEARER_ID))
- mtu = n->links[bearer_id].mtu;
- tipc_node_put(n);
- return mtu;
-}
+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);
#endif
projects / cascardo / linux.git / blobdiff