/*
* net/tipc/port.h: Include file for TIPC port code
- *
- * Copyright (c) 2003-2005, Ericsson Research Canada
- * Copyright (c) 2004-2005, Wind River Systems
- * Copyright (c) 2005-2006, Ericsson AB
+ *
+ * Copyright (c) 1994-2007, Ericsson AB
+ * Copyright (c) 2004-2007, Wind River Systems
* All rights reserved.
*
- * Redistribution and use in source and binary forms, with or without
+ * Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * Neither the names of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the names of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
*
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _TIPC_PORT_H
#define _TIPC_PORT_H
-#include <net/tipc/tipc_port.h>
+#include "core.h"
#include "ref.h"
#include "net.h"
#include "msg.h"
* <various callback routines>
* @uport_list: adjacent user ports in list of ports held by user
*/
-
+
struct user_port {
u32 user_ref;
- void *usr_handle;
+ void *usr_handle;
u32 ref;
- tipc_msg_err_event err_cb;
- tipc_named_msg_err_event named_err_cb;
- tipc_conn_shutdown_event conn_err_cb;
- tipc_msg_event msg_cb;
- tipc_named_msg_event named_msg_cb;
- tipc_conn_msg_event conn_msg_cb;
+ tipc_msg_err_event err_cb;
+ tipc_named_msg_err_event named_err_cb;
+ tipc_conn_shutdown_event conn_err_cb;
+ tipc_msg_event msg_cb;
+ tipc_named_msg_event named_msg_cb;
+ tipc_conn_msg_event conn_msg_cb;
tipc_continue_event continue_event_cb;
struct list_head uport_list;
};
* @wakeup: ptr to routine to call when port is no longer congested
* @user_port: ptr to user port associated with port (if any)
* @wait_list: adjacent ports in list of ports waiting on link congestion
- * @congested_link: ptr to congested link port is waiting on
* @waiting_pkts:
* @sent:
* @acked:
* @publications: list of publications for port
* @pub_count: total # of publications port has made during its lifetime
- * @max_pkt: maximum packet size "hint" used when building messages sent by port
* @probing_state:
* @probing_interval:
* @last_in_seqno:
void (*wakeup)(struct tipc_port *);
struct user_port *user_port;
struct list_head wait_list;
- struct link *congested_link;
u32 waiting_pkts;
u32 sent;
u32 acked;
struct list_head publications;
u32 pub_count;
- u32 max_pkt;
u32 probing_state;
u32 probing_interval;
u32 last_in_seqno;
struct timer_list timer;
- struct node_subscr subscription;
+ struct tipc_node_subscr subscription;
};
-extern spinlock_t port_list_lock;
+extern spinlock_t tipc_port_list_lock;
struct port_list;
-int port_recv_sections(struct port *p_ptr, u32 num_sect,
- struct iovec const *msg_sect);
-int port_reject_sections(struct port *p_ptr, struct tipc_msg *hdr,
- struct iovec const *msg_sect, u32 num_sect,
- int err);
-struct sk_buff *port_get_ports(void);
+int tipc_port_recv_sections(struct port *p_ptr, u32 num_sect,
+ struct iovec const *msg_sect);
+int tipc_port_reject_sections(struct port *p_ptr, struct tipc_msg *hdr,
+ struct iovec const *msg_sect, u32 num_sect,
+ int err);
+struct sk_buff *tipc_port_get_ports(void);
struct sk_buff *port_show_stats(const void *req_tlv_area, int req_tlv_space);
-void port_recv_proto_msg(struct sk_buff *buf);
-void port_recv_mcast(struct sk_buff *buf, struct port_list *dp);
-void port_reinit(void);
+void tipc_port_recv_proto_msg(struct sk_buff *buf);
+void tipc_port_recv_mcast(struct sk_buff *buf, struct port_list *dp);
+void tipc_port_reinit(void);
/**
- * port_lock - lock port instance referred to and return its pointer
+ * tipc_port_lock - lock port instance referred to and return its pointer
*/
-static inline struct port *port_lock(u32 ref)
+static inline struct port *tipc_port_lock(u32 ref)
{
- return (struct port *)ref_lock(ref);
+ return (struct port *)tipc_ref_lock(ref);
}
-/**
- * port_unlock - unlock a port instance
- *
- * Can use pointer instead of ref_unlock() since port is already locked.
+/**
+ * tipc_port_unlock - unlock a port instance
+ *
+ * Can use pointer instead of tipc_ref_unlock() since port is already locked.
*/
-static inline void port_unlock(struct port *p_ptr)
+static inline void tipc_port_unlock(struct port *p_ptr)
{
spin_unlock_bh(p_ptr->publ.lock);
}
-static inline struct port* port_deref(u32 ref)
+static inline struct port* tipc_port_deref(u32 ref)
{
- return (struct port *)ref_deref(ref);
+ return (struct port *)tipc_ref_deref(ref);
}
-static inline u32 peer_port(struct port *p_ptr)
+static inline u32 tipc_peer_port(struct port *p_ptr)
{
return msg_destport(&p_ptr->publ.phdr);
}
-static inline u32 peer_node(struct port *p_ptr)
+static inline u32 tipc_peer_node(struct port *p_ptr)
{
return msg_destnode(&p_ptr->publ.phdr);
}
-static inline int port_congested(struct port *p_ptr)
+static inline int tipc_port_congested(struct port *p_ptr)
{
return((p_ptr->sent - p_ptr->acked) >= (TIPC_FLOW_CONTROL_WIN * 2));
}
-/**
- * port_recv_msg - receive message from lower layer and deliver to port user
+/**
+ * tipc_port_recv_msg - receive message from lower layer and deliver to port user
*/
-static inline int port_recv_msg(struct sk_buff *buf)
+static inline int tipc_port_recv_msg(struct sk_buff *buf)
{
struct port *p_ptr;
struct tipc_msg *msg = buf_msg(buf);
u32 destport = msg_destport(msg);
u32 dsz = msg_data_sz(msg);
u32 err;
-
+
/* forward unresolved named message */
if (unlikely(!destport)) {
- net_route_msg(buf);
+ tipc_net_route_msg(buf);
return dsz;
}
/* validate destination & pass to port, otherwise reject message */
- p_ptr = port_lock(destport);
+ p_ptr = tipc_port_lock(destport);
if (likely(p_ptr)) {
if (likely(p_ptr->publ.connected)) {
- if ((unlikely(msg_origport(msg) != peer_port(p_ptr))) ||
- (unlikely(msg_orignode(msg) != peer_node(p_ptr))) ||
+ if ((unlikely(msg_origport(msg) != tipc_peer_port(p_ptr))) ||
+ (unlikely(msg_orignode(msg) != tipc_peer_node(p_ptr))) ||
(unlikely(!msg_connected(msg)))) {
err = TIPC_ERR_NO_PORT;
- port_unlock(p_ptr);
+ tipc_port_unlock(p_ptr);
goto reject;
}
}
err = p_ptr->dispatcher(&p_ptr->publ, buf);
- port_unlock(p_ptr);
+ tipc_port_unlock(p_ptr);
if (likely(!err))
return dsz;
} else {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff