/*
* net/tipc/port.h: Include file for TIPC port code
*
- * Copyright (c) 1994-2007, Ericsson AB
+ * Copyright (c) 1994-2007, 2014, Ericsson AB
* Copyright (c) 2004-2007, 2010-2013, Wind River Systems
* All rights reserved.
*
/**
* struct tipc_port - TIPC port structure
- * @sk: pointer to socket handle
* @lock: pointer to spinlock for controlling access to port
* @connected: non-zero if port is currently connected to a peer port
* @conn_type: TIPC type used when connection was established
* @ref: unique reference to port in TIPC object registry
* @phdr: preformatted message header used when sending messages
* @port_list: adjacent ports in TIPC's global list of ports
- * @dispatcher: ptr to routine which handles received messages
- * @wakeup: ptr to routine to call when port is no longer congested
* @wait_list: adjacent ports in list of ports waiting on link congestion
* @waiting_pkts:
* @sent: # of non-empty messages sent by port
* @subscription: "node down" subscription used to terminate failed connections
*/
struct tipc_port {
- struct sock *sk;
spinlock_t *lock;
int connected;
u32 conn_type;
u32 ref;
struct tipc_msg phdr;
struct list_head port_list;
- u32 (*dispatcher)(struct tipc_port *, struct sk_buff *);
- void (*wakeup)(struct tipc_port *);
struct list_head wait_list;
u32 waiting_pkts;
u32 sent;
/*
* TIPC port manipulation routines
*/
-struct tipc_port *tipc_createport(struct sock *sk,
- u32 (*dispatcher)(struct tipc_port *,
- struct sk_buff *),
- void (*wakeup)(struct tipc_port *),
- const u32 importance);
+u32 tipc_port_init(struct tipc_port *p_ptr,
+ const unsigned int importance);
int tipc_reject_msg(struct sk_buff *buf, u32 err);
void tipc_acknowledge(u32 port_ref, u32 ack);
-int tipc_deleteport(struct tipc_port *p_ptr);
-
-int tipc_portimportance(u32 portref, unsigned int *importance);
-int tipc_set_portimportance(u32 portref, unsigned int importance);
-
-int tipc_portunreliable(u32 portref, unsigned int *isunreliable);
-int tipc_set_portunreliable(u32 portref, unsigned int isunreliable);
-
-int tipc_portunreturnable(u32 portref, unsigned int *isunreturnable);
-int tipc_set_portunreturnable(u32 portref, unsigned int isunreturnable);
+void tipc_port_destroy(struct tipc_port *p_ptr);
int tipc_publish(struct tipc_port *p_ptr, unsigned int scope,
struct tipc_name_seq const *name_seq);
+
int tipc_withdraw(struct tipc_port *p_ptr, unsigned int scope,
struct tipc_name_seq const *name_seq);
-int tipc_connect(u32 portref, struct tipc_portid const *port);
+int tipc_port_connect(u32 portref, struct tipc_portid const *port);
-int tipc_disconnect(u32 portref);
+int tipc_port_disconnect(u32 portref);
-int tipc_shutdown(u32 ref);
+int tipc_port_shutdown(u32 ref);
+void tipc_port_wakeup(struct tipc_port *port);
/*
* The following routines require that the port be locked on entry
*/
-int __tipc_disconnect(struct tipc_port *tp_ptr);
-int __tipc_connect(u32 ref, struct tipc_port *p_ptr,
+int __tipc_port_disconnect(struct tipc_port *tp_ptr);
+int __tipc_port_connect(u32 ref, struct tipc_port *p_ptr,
struct tipc_portid const *peer);
int tipc_port_peer_msg(struct tipc_port *p_ptr, struct tipc_msg *msg);
/*
* TIPC messaging routines
*/
-int tipc_port_recv_msg(struct sk_buff *buf);
-int tipc_send(u32 portref, struct iovec const *msg_sect, unsigned int len);
-
-int tipc_send2name(u32 portref, struct tipc_name const *name, u32 domain,
- struct iovec const *msg_sect, unsigned int len);
+int tipc_port_rcv(struct sk_buff *buf);
+
+int tipc_send(struct tipc_port *port,
+ struct iovec const *msg_sect,
+ unsigned int len);
+
+int tipc_send2name(struct tipc_port *port,
+ struct tipc_name const *name,
+ u32 domain,
+ struct iovec const *msg_sect,
+ unsigned int len);
+
+int tipc_send2port(struct tipc_port *port,
+ struct tipc_portid const *dest,
+ struct iovec const *msg_sect,
+ unsigned int len);
+
+int tipc_port_mcast_xmit(struct tipc_port *port,
+ struct tipc_name_seq const *seq,
+ struct iovec const *msg,
+ unsigned int len);
+
+int tipc_port_iovec_reject(struct tipc_port *p_ptr,
+ struct tipc_msg *hdr,
+ struct iovec const *msg_sect,
+ unsigned int len,
+ int err);
-int tipc_send2port(u32 portref, struct tipc_portid const *dest,
- struct iovec const *msg_sect, unsigned int len);
-
-int tipc_multicast(u32 portref, struct tipc_name_seq const *seq,
- struct iovec const *msg, unsigned int len);
-
-int tipc_port_reject_sections(struct tipc_port *p_ptr, struct tipc_msg *hdr,
- struct iovec const *msg_sect, unsigned int len,
- int err);
struct sk_buff *tipc_port_get_ports(void);
-void tipc_port_recv_proto_msg(struct sk_buff *buf);
-void tipc_port_recv_mcast(struct sk_buff *buf, struct tipc_port_list *dp);
+void tipc_port_proto_rcv(struct sk_buff *buf);
+void tipc_port_mcast_rcv(struct sk_buff *buf, struct tipc_port_list *dp);
void tipc_port_reinit(void);
/**
spin_unlock_bh(p_ptr->lock);
}
-static inline struct tipc_port *tipc_port_deref(u32 ref)
+static inline int tipc_port_congested(struct tipc_port *p_ptr)
{
- return (struct tipc_port *)tipc_ref_deref(ref);
+ return (p_ptr->sent - p_ptr->acked) >= (TIPC_FLOW_CONTROL_WIN * 2);
}
-static inline int tipc_port_congested(struct tipc_port *p_ptr)
+
+static inline u32 tipc_port_peernode(struct tipc_port *p_ptr)
{
- return (p_ptr->sent - p_ptr->acked) >= (TIPC_FLOW_CONTROL_WIN * 2);
+ return msg_destnode(&p_ptr->phdr);
+}
+
+static inline u32 tipc_port_peerport(struct tipc_port *p_ptr)
+{
+ return msg_destport(&p_ptr->phdr);
+}
+
+static inline bool tipc_port_unreliable(struct tipc_port *port)
+{
+ return msg_src_droppable(&port->phdr) != 0;
+}
+
+static inline void tipc_port_set_unreliable(struct tipc_port *port,
+ bool unreliable)
+{
+ msg_set_src_droppable(&port->phdr, unreliable ? 1 : 0);
+}
+
+static inline bool tipc_port_unreturnable(struct tipc_port *port)
+{
+ return msg_dest_droppable(&port->phdr) != 0;
+}
+
+static inline void tipc_port_set_unreturnable(struct tipc_port *port,
+ bool unreturnable)
+{
+ msg_set_dest_droppable(&port->phdr, unreturnable ? 1 : 0);
+}
+
+
+static inline int tipc_port_importance(struct tipc_port *port)
+{
+ return msg_importance(&port->phdr);
+}
+
+static inline void tipc_port_set_importance(struct tipc_port *port, int imp)
+{
+ msg_set_importance(&port->phdr, (u32)imp);
}
#endif
projects / firefly-linux-kernel-4.4.55.git / blobdiff