#include "config.h"
#include "port.h"
#include "name_table.h"
-#include "user_reg.h"
/* Connection management: */
#define PROBING_INTERVAL 3600000 /* [ms] => 1 h */
tipc_nodesub_unsubscribe(&p_ptr->subscription);
}
if (p_ptr->user_port) {
- tipc_reg_remove_port(p_ptr->user_port);
kfree(p_ptr->user_port);
}
}
/*
- * tipc_createport(): user level call. Will add port to
- * registry if non-zero user_ref.
+ * tipc_createport(): user level call.
*/
-int tipc_createport(u32 user_ref,
- void *usr_handle,
+int tipc_createport(void *usr_handle,
unsigned int importance,
tipc_msg_err_event error_cb,
tipc_named_msg_err_event named_error_cb,
}
p_ptr->user_port = up_ptr;
- up_ptr->user_ref = user_ref;
up_ptr->usr_handle = usr_handle;
up_ptr->ref = p_ptr->publ.ref;
up_ptr->err_cb = error_cb;
up_ptr->named_msg_cb = named_msg_cb;
up_ptr->conn_msg_cb = conn_msg_cb;
up_ptr->continue_event_cb = continue_event_cb;
- INIT_LIST_HEAD(&up_ptr->uport_list);
- tipc_reg_add_port(up_ptr);
*portref = p_ptr->publ.ref;
tipc_port_unlock(p_ptr);
return 0;
+++ /dev/null
-/*
- * net/tipc/user_reg.c: TIPC user registry code
- *
- * Copyright (c) 2000-2006, Ericsson AB
- * Copyright (c) 2004-2005, Wind River Systems
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 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
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "core.h"
-#include "user_reg.h"
-
-/*
- * TIPC user registry keeps track of users of the tipc_port interface.
- *
- * The registry utilizes an array of "TIPC user" entries;
- * a user's ID is the index of their associated array entry.
- * Array entry 0 is not used, so userid 0 is not valid;
- * TIPC sometimes uses this value to denote an anonymous user.
- * The list of free entries is initially chained from last entry to entry 1.
- */
-
-/**
- * struct tipc_user - registered TIPC user info
- * @next: index of next free registry entry (or -1 for an allocated entry)
- * @ports: list of user ports owned by the user
- */
-
-struct tipc_user {
- int next;
- struct list_head ports;
-};
-
-#define MAX_USERID 64
-#define USER_LIST_SIZE ((MAX_USERID + 1) * sizeof(struct tipc_user))
-
-static struct tipc_user *users = NULL;
-static u32 next_free_user = MAX_USERID + 1;
-static DEFINE_SPINLOCK(reg_lock);
-
-/**
- * reg_init - create TIPC user registry (but don't activate it)
- *
- * If registry has been pre-initialized it is left "as is".
- * NOTE: This routine may be called when TIPC is inactive.
- */
-
-static int reg_init(void)
-{
- u32 i;
-
- spin_lock_bh(®_lock);
- if (!users) {
- users = kzalloc(USER_LIST_SIZE, GFP_ATOMIC);
- if (users) {
- for (i = 1; i <= MAX_USERID; i++) {
- users[i].next = i - 1;
- }
- next_free_user = MAX_USERID;
- }
- }
- spin_unlock_bh(®_lock);
- return users ? 0 : -ENOMEM;
-}
-
-/**
- * tipc_reg_start - activate TIPC user registry
- */
-
-int tipc_reg_start(void)
-{
- return reg_init();
-}
-
-/**
- * tipc_reg_stop - shut down & delete TIPC user registry
- */
-
-void tipc_reg_stop(void)
-{
- if (!users)
- return;
-
- kfree(users);
- users = NULL;
-}
-
-/**
- * tipc_attach - register a TIPC user
- *
- * NOTE: This routine may be called when TIPC is inactive.
- */
-
-int tipc_attach(u32 *userid)
-{
- struct tipc_user *user_ptr;
-
- if (!users)
- reg_init();
-
- spin_lock_bh(®_lock);
- if (!next_free_user) {
- spin_unlock_bh(®_lock);
- return -EBUSY;
- }
- user_ptr = &users[next_free_user];
- *userid = next_free_user;
- next_free_user = user_ptr->next;
- user_ptr->next = -1;
- spin_unlock_bh(®_lock);
-
- INIT_LIST_HEAD(&user_ptr->ports);
- atomic_inc(&tipc_user_count);
-
- return 0;
-}
-
-/**
- * tipc_detach - deregister a TIPC user
- */
-
-void tipc_detach(u32 userid)
-{
- struct tipc_user *user_ptr;
- struct list_head ports_temp;
- struct user_port *up_ptr, *temp_up_ptr;
-
- if ((userid == 0) || (userid > MAX_USERID))
- return;
-
- spin_lock_bh(®_lock);
- if ((!users) || (users[userid].next >= 0)) {
- spin_unlock_bh(®_lock);
- return;
- }
-
- user_ptr = &users[userid];
- INIT_LIST_HEAD(&ports_temp);
- list_splice(&user_ptr->ports, &ports_temp);
- user_ptr->next = next_free_user;
- next_free_user = userid;
- spin_unlock_bh(®_lock);
-
- atomic_dec(&tipc_user_count);
-
- list_for_each_entry_safe(up_ptr, temp_up_ptr, &ports_temp, uport_list) {
- tipc_deleteport(up_ptr->ref);
- }
-}
-
-/**
- * tipc_reg_add_port - register a user's driver port
- */
-
-int tipc_reg_add_port(struct user_port *up_ptr)
-{
- struct tipc_user *user_ptr;
-
- if (up_ptr->user_ref == 0)
- return 0;
- if (up_ptr->user_ref > MAX_USERID)
- return -EINVAL;
- if ((tipc_mode == TIPC_NOT_RUNNING) || !users )
- return -ENOPROTOOPT;
-
- spin_lock_bh(®_lock);
- user_ptr = &users[up_ptr->user_ref];
- list_add(&up_ptr->uport_list, &user_ptr->ports);
- spin_unlock_bh(®_lock);
- return 0;
-}
-
-/**
- * tipc_reg_remove_port - deregister a user's driver port
- */
-
-int tipc_reg_remove_port(struct user_port *up_ptr)
-{
- if (up_ptr->user_ref == 0)
- return 0;
- if (up_ptr->user_ref > MAX_USERID)
- return -EINVAL;
- if (!users )
- return -ENOPROTOOPT;
-
- spin_lock_bh(®_lock);
- list_del_init(&up_ptr->uport_list);
- spin_unlock_bh(®_lock);
- return 0;
-}
-
+++ /dev/null
-/*
- * net/tipc/user_reg.h: Include file for TIPC user registry code
- *
- * Copyright (c) 2000-2006, Ericsson AB
- * Copyright (c) 2005, Wind River Systems
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 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
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef _TIPC_USER_REG_H
-#define _TIPC_USER_REG_H
-
-#include "port.h"
-
-int tipc_reg_start(void);
-void tipc_reg_stop(void);
-
-int tipc_attach(unsigned int *userref);
-void tipc_detach(unsigned int userref);
-
-int tipc_reg_add_port(struct user_port *up_ptr);
-int tipc_reg_remove_port(struct user_port *up_ptr);
-
-#endif
projects / platform / upstream / kernel-adaptation-pc.git / commitdiff