67d02a45eb
Most tools used for compliance and SBOM generation use SPDX identifiers This change brings us a step closer to an easy SBOM generation. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
327 lines
10 KiB
C
327 lines
10 KiB
C
/****************************************************************************
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* net/route/route.h
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __NET_ROUTE_ROUTE_H
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#define __NET_ROUTE_ROUTE_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <net/if.h>
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#include <nuttx/net/ip.h>
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#ifdef CONFIG_NET_ROUTE
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* This structure describes one entry in the routing table */
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#ifdef CONFIG_NET_IPv4
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struct net_route_ipv4_s
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{
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in_addr_t target; /* The destination network */
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in_addr_t netmask; /* The network address mask */
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in_addr_t router; /* Route packets via this router */
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};
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/* Type of the call out function pointer provided to
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* net_foreachroute_ipv4()
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*/
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typedef int (*route_handler_ipv4_t)(FAR struct net_route_ipv4_s *route,
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FAR void *arg);
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#endif /* CONFIG_NET_IPv4 */
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#ifdef CONFIG_NET_IPv6
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struct net_route_ipv6_s
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{
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net_ipv6addr_t target; /* The destination network */
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net_ipv6addr_t netmask; /* The network address mask */
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net_ipv6addr_t router; /* Route packets via this router */
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};
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/* Type of the call out function pointer provided to
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* net_foreachroute_ipv6()
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*/
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typedef int (*route_handler_ipv6_t)(FAR struct net_route_ipv6_s *route,
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FAR void *arg);
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#endif /* CONFIG_NET_IPv6 */
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/****************************************************************************
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* Public Data
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: net_init_route
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*
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* Description:
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* Initialize to the routing table
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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void net_init_route(void);
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/****************************************************************************
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* Name: net_addroute_ipv4 and net_addroute_ipv6
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*
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* Description:
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* Add a new route to the routing table
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*
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* Input Parameters:
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* target - The destination IP address on the destination network
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* netmask - The mask defining the destination sub-net
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* router - The IP address on one of our networks that provides the
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* router to the external network
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*
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* Returned Value:
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* OK on success; Negated errno on failure.
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*
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****************************************************************************/
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#ifdef CONFIG_NET_IPv4
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int net_addroute_ipv4(in_addr_t target, in_addr_t netmask,
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in_addr_t router);
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#endif
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#ifdef CONFIG_NET_IPv6
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int net_addroute_ipv6(net_ipv6addr_t target, net_ipv6addr_t netmask,
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net_ipv6addr_t router);
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#endif
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/****************************************************************************
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* Name: net_delroute_ipv4 and net_delroute_ipv6
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*
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* Description:
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* Remove an existing route from the routing table
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*
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* Input Parameters:
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*
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* Returned Value:
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* OK on success; Negated errno on failure.
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*
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****************************************************************************/
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#ifdef CONFIG_NET_IPv4
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int net_delroute_ipv4(in_addr_t target, in_addr_t netmask);
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#endif
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#ifdef CONFIG_NET_IPv6
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int net_delroute_ipv6(net_ipv6addr_t target, net_ipv6addr_t netmask);
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#endif
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/****************************************************************************
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* Name: net_ipv4_router
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*
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* Description:
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* Given an IPv4 address on a external network, return the address of the
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* router on a local network that can forward to the external network.
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*
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* Input Parameters:
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* target - An IPv4 address on a remote network to use in the lookup.
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* router - The address of router on a local network that can forward
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* our packets to the target.
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* prefixlen - The prefix length of previously matched routes (maybe on
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* device), will only match prefix longer than prefixlen.
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* Range: -1(match all) ~ 32(match none)
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*
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* Returned Value:
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* OK on success; Negated errno on failure.
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*
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****************************************************************************/
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#ifdef CONFIG_NET_IPv4
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int net_ipv4_router(in_addr_t target, FAR in_addr_t *router,
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int8_t prefixlen);
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#endif
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/****************************************************************************
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* Name: net_ipv6_router
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*
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* Description:
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* Given an IPv6 address on a external network, return the address of the
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* router on a local network that can forward to the external network.
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*
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* Input Parameters:
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* target - An IPv6 address on a remote network to use in the lookup.
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* router - The address of router on a local network that can forward
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* our packets to the target.
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* prefixlen - The prefix length of previously matched routes (maybe on
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* device), will only match prefix longer than prefixlen.
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* Range: -1(match all) ~ 128(match none)
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*
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* Returned Value:
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* OK on success; Negated errno on failure.
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*
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****************************************************************************/
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#ifdef CONFIG_NET_IPv6
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int net_ipv6_router(const net_ipv6addr_t target, net_ipv6addr_t router,
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int16_t prefixlen);
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#endif
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/****************************************************************************
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* Name: netdev_ipv4_router
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*
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* Description:
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* Given an IPv4 address on a external network, return the address of the
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* router on a local network that can forward to the external network.
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* This is similar to net_ipv4_router(). However, the set of routers is
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* constrained to those accessible by the specific device
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*
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* Input Parameters:
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* dev - We are committed to using this device.
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* target - An IPv4 address on a remote network to use in the lookup.
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* router - The address of router on a local network that can forward our
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* packets to the target.
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*
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* Returned Value:
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* A router address is always returned (which may just be, perhaps,
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* device's default router address)
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*
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****************************************************************************/
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#ifdef CONFIG_NET_IPv4
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struct net_driver_s;
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void netdev_ipv4_router(FAR struct net_driver_s *dev, in_addr_t target,
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FAR in_addr_t *router);
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#endif
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/****************************************************************************
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* Name: netdev_ipv6_router
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*
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* Description:
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* Given an IPv6 address on a external network, return the address of the
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* router on a local network that can forward to the external network.
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* This is similar to net_ipv6_router(). However, the set of routers is
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* constrained to those accessible by the specific device
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*
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* Input Parameters:
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* dev - We are committed to using this device.
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* target - An IPv6 address on a remote network to use in the lookup.
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* router - The address of router on a local network that can forward our
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* packets to the target.
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*
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* Returned Value:
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* A router address is always returned (which may just be, perhaps,
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* device's default router address)
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*
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****************************************************************************/
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#ifdef CONFIG_NET_IPv6
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struct net_driver_s;
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void netdev_ipv6_router(FAR struct net_driver_s *dev,
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FAR const net_ipv6addr_t target,
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FAR net_ipv6addr_t router);
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#endif
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/****************************************************************************
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* Name: net_foreachroute_ipv4/net_foreachroute_ipv6
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*
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* Description:
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* Traverse the routing table
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*
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* Input Parameters:
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* handler - Will be called for each route in the routing table.
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* arg - An arbitrary value that will be passed to the handler.
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*
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* Returned Value:
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* Zero (OK) returned if the entire table was searched. A negated errno
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* value will be returned in the event of a failure. Handlers may also
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* terminate the search early with any non-zero value.
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*
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****************************************************************************/
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#ifdef CONFIG_NET_IPv4
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int net_foreachroute_ipv4(route_handler_ipv4_t handler, FAR void *arg);
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#endif
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#ifdef CONFIG_NET_IPv6
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int net_foreachroute_ipv6(route_handler_ipv6_t handler, FAR void *arg);
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#endif
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/****************************************************************************
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* Name: net_ipv4_dumproute and net_ipv6_dumproute
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*
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* Description:
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* Dump a routing table entry
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*
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* Input Parameters:
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* route - The entry to be dumped
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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#ifdef CONFIG_DEBUG_NET_INFO
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#ifdef CONFIG_NET_IPv4
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void net_ipv4_dumproute(FAR const char *msg,
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FAR struct net_route_ipv4_s *route);
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#else
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# define net_ipv4_dumproute(m,r)
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#endif
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#ifdef CONFIG_NET_IPv6
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void net_ipv6_dumproute(FAR const char *msg,
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FAR struct net_route_ipv6_s *route);
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#else
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# define net_ipv6_dumproute(m,r)
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#endif
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#else
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# define net_ipv4_dumproute(m,r)
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# define net_ipv6_dumproute(m,r)
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* CONFIG_NET_ROUTE */
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#endif /* __NET_ROUTE_ROUTE_H */
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