mbed-os/features/FEATURE_LWIP/lwip-interface/EthernetInterface.h

118 lines
3.6 KiB
C++

/* LWIP implementation of NetworkInterfaceAPI
* Copyright (c) 2015 ARM Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ETHERNET_INTERFACE_H
#define ETHERNET_INTERFACE_H
#include "nsapi.h"
#include "rtos.h"
#include "lwip/netif.h"
// Forward declaration
class NetworkStack;
/** EthernetInterface class
* Implementation of the NetworkStack for LWIP
*/
class EthernetInterface : public EthInterface
{
public:
/** EthernetInterface lifetime
*/
EthernetInterface();
/** Set a static IP address
*
* Configures this network interface to use a static IP address.
* Implicitly disables DHCP, which can be enabled in set_dhcp.
* Requires that the network is disconnected.
*
* @param address Null-terminated representation of the local IP address
* @param netmask Null-terminated representation of the local network mask
* @param gateway Null-terminated representation of the local gateway
* @return 0 on success, negative error code on failure
*/
virtual nsapi_error_t set_network(
const char *ip_address, const char *netmask, const char *gateway);
/** Enable or disable DHCP on the network
*
* Requires that the network is disconnected
*
* @param dhcp False to disable dhcp (defaults to enabled)
* @return 0 on success, negative error code on failure
*/
virtual nsapi_error_t set_dhcp(bool dhcp);
/** Start the interface
* @return 0 on success, negative on failure
*/
virtual nsapi_error_t connect();
/** Stop the interface
* @return 0 on success, negative on failure
*/
virtual nsapi_error_t disconnect();
/** Get the local MAC address
*
* Provided MAC address is intended for info or debug purposes and
* may not be provided if the underlying network interface does not
* provide a MAC address
*
* @return Null-terminated representation of the local MAC address
* or null if no MAC address is available
*/
virtual const char *get_mac_address();
/** Get the local IP address
*
* @return Null-terminated representation of the local IP address
* or null if no IP address has been recieved
*/
virtual const char *get_ip_address();
/** Get the local network mask
*
* @return Null-terminated representation of the local network mask
* or null if no network mask has been recieved
*/
virtual const char *get_netmask();
/** Get the local gateways
*
* @return Null-terminated representation of the local gateway
* or null if no network mask has been recieved
*/
virtual const char *get_gateway();
protected:
/** Provide access to the underlying stack
*
* @return The underlying network stack
*/
virtual NetworkStack *get_stack();
bool _dhcp;
char _ip_address[IPADDR_STRLEN_MAX];
char _netmask[NSAPI_IPv4_SIZE];
char _gateway[NSAPI_IPv4_SIZE];
};
#endif