285 lines
9.3 KiB
C
285 lines
9.3 KiB
C
/****************************************************************************
|
|
* net/route/fileroute.h
|
|
*
|
|
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <gnutt@nuttx.org>
|
|
*
|
|
* 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 name NuttX nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* 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 __NET_ROUTE_FILEROUTE_H
|
|
#define __NET_ROUTE_FILEROUTE_H
|
|
|
|
/****************************************************************************
|
|
* Included Files
|
|
****************************************************************************/
|
|
|
|
#include <nuttx/config.h>
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include "route/route.h"
|
|
|
|
#if defined(CONFIG_ROUTE_IPv4_FILEROUTE) || defined(CONFIG_ROUTE_IPv6_FILEROUTE)
|
|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
|
|
****************************************************************************/
|
|
|
|
#define IPv4_ROUTE_PATH CONFIG_ROUTE_FILEDIR "/ipv4"
|
|
#define IPv6_ROUTE_PATH CONFIG_ROUTE_FILEDIR "/ipv6"
|
|
|
|
/****************************************************************************
|
|
* Public Function Prototypes
|
|
****************************************************************************/
|
|
|
|
struct file; /* Forward reference */
|
|
|
|
/****************************************************************************
|
|
* Name: net_init_fileroute
|
|
*
|
|
* Description:
|
|
* Initialize the in-memory, RAM routing table
|
|
*
|
|
* Input Parameters:
|
|
* None
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
* Called early in initialization so that no special protection is needed.
|
|
*
|
|
****************************************************************************/
|
|
|
|
void net_init_fileroute(void);
|
|
|
|
/****************************************************************************
|
|
* Name: net_openroute_ipv4/net_openroute_ipv6
|
|
*
|
|
* Description:
|
|
* Open the IPv4/IPv6 routing table with the specified access privileges.
|
|
*
|
|
* Input Parameters:
|
|
* oflags - Open flags
|
|
* filep - Location in which to return the detached file instance.
|
|
*
|
|
* Returned Value:
|
|
* A non-negative file descriptor is returned on success. A negated errno
|
|
* value is returned on any failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_ROUTE_IPv4_FILEROUTE
|
|
int net_openroute_ipv4(int oflags, FAR struct file *filep);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ROUTE_IPv6_FILEROUTE
|
|
int net_openroute_ipv6(int oflags, FAR struct file *filep);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: net_readroute_ipv4/net_readroute_ipv6
|
|
*
|
|
* Description:
|
|
* Read one route entry from the IPv4/IPv6 routing table.
|
|
*
|
|
* Input Parameters:
|
|
* filep - Detached file instance obtained by net_openroute_ipv{4|6}[_rdonly]
|
|
* route - Location to return the next route read from the file
|
|
*
|
|
* Returned Value:
|
|
* The number of bytes read on success. The special return valud of zero
|
|
* indicates that the endof of file was encountered (and nothing was read).
|
|
* A negated errno value is returned on any failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_ROUTE_IPv4_FILEROUTE
|
|
ssize_t net_readroute_ipv4(FAR struct file *filep,
|
|
FAR struct net_route_ipv4_s *route);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ROUTE_IPv6_FILEROUTE
|
|
ssize_t net_readroute_ipv6(FAR struct file *filep,
|
|
FAR struct net_route_ipv6_s *route);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: net_writeroute_ipv4/net_writeroute_ipv6
|
|
*
|
|
* Description:
|
|
* Write one route entry to the IPv4/IPv6 routing table.
|
|
*
|
|
* Input Parameters:
|
|
* filep - Detached file instance obtained by net_openroute_ipv{4|6}[_rdonly]
|
|
* route - Location to return the next route read from the file
|
|
*
|
|
* Returned Value:
|
|
* The number of bytes written on success. A negated errno value is
|
|
* returned on any failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_ROUTE_IPv4_FILEROUTE
|
|
ssize_t net_writeroute_ipv4(FAR struct file *filep,
|
|
FAR const struct net_route_ipv4_s *route);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ROUTE_IPv6_FILEROUTE
|
|
ssize_t net_writeroute_ipv6(FAR struct file *filep,
|
|
FAR const struct net_route_ipv6_s *route);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: net_seekroute_ipv4/net_seekroute_ipv6
|
|
*
|
|
* Description:
|
|
* Seek to a specific entry entry to the IPv4/IPv6 routing table.
|
|
*
|
|
* Input Parameters:
|
|
* filep - Detached file instance obtained by net_openroute_ipv{4|6}[_rdonly]
|
|
* index - The index of the routing table entry to seek to.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) is returned on success; a negated errno value is returned on
|
|
* failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_ROUTE_IPv4_FILEROUTE
|
|
off_t net_seekroute_ipv4(FAR struct file *filep, unsigned int index);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ROUTE_IPv6_FILEROUTE
|
|
off_t net_seekroute_ipv6(FAR struct file *filep, unsigned int index);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: net_routesize_ipv4/net_routesize_ipv6
|
|
*
|
|
* Description:
|
|
* Return the size of a routing table in terms of the number of entries in
|
|
* the routing table.
|
|
*
|
|
* Input Parameters:
|
|
* None
|
|
*
|
|
* Returned Value:
|
|
* A non-negative count of the number of entries in the routing table is
|
|
* returned on success; a negated errno value is returned on and failure.
|
|
*
|
|
* Assumptions:
|
|
* The size of the routing table may change after this size is returned
|
|
* unless the routing table is locked to prevent any modification to the
|
|
* routing table.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_ROUTE_IPv4_FILEROUTE
|
|
int net_routesize_ipv4(void);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ROUTE_IPv6_FILEROUTE
|
|
int net_routesize_ipv6(void);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: net_lockroute_ipv4/net_lockroute_ipv6
|
|
*
|
|
* Description:
|
|
* Lock access to the routing table. Necessary when a routing table is
|
|
* being reorganized due to deletion of a route.
|
|
*
|
|
* Input Parameters:
|
|
* None
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) is returned on success; a negated errno value is returned on
|
|
* any failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_ROUTE_IPv4_FILEROUTE
|
|
int net_lockroute_ipv4(void);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ROUTE_IPv6_FILEROUTE
|
|
int net_lockroute_ipv6(void);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: net_unlockroute_ipv4/net_unlockroute_ipv6
|
|
*
|
|
* Description:
|
|
* Release the read lock.
|
|
*
|
|
* Input Parameters:
|
|
* None
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) is returned on success; a negated errno value is returned on
|
|
* any failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_ROUTE_IPv4_FILEROUTE
|
|
int net_unlockroute_ipv4(void);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ROUTE_IPv6_FILEROUTE
|
|
int net_unlockroute_ipv6(void);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: net_closeroute_ipv4/net_closeroute_ipv6
|
|
*
|
|
* Description:
|
|
* Close the IPv4/IPv6 routing table.
|
|
*
|
|
* Input Parameters:
|
|
* filep - Detached file instance obtained by net_openroute_ipv{4|6}[_rdonly]
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) is returned on success. A negated errno value is returned on
|
|
* any failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_ROUTE_IPv4_FILEROUTE
|
|
int net_closeroute_ipv4(FAR struct file *filep);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ROUTE_IPv6_FILEROUTE
|
|
int net_closeroute_ipv6(FAR struct file *filep);
|
|
#endif
|
|
|
|
#endif /* CONFIG_ROUTE_IPv4_FILEROUTE || CONFIG_ROUTE_IPv6_FILEROUTE */
|
|
#endif /* __NET_ROUTE_FILEROUTE_H */
|