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Net stack with AutoIP enabled

if/eth/EthernetNetIf.cpp@0:ac21159e27f4, 2010-07-02 (annotated)

Committer:: darran
Date:: Fri Jul 02 17:21:58 2010 +0000
Revision:: 0:ac21159e27f4

Who changed what in which revision?

User	Revision	Line number	New contents of line
darran	0:ac21159e27f4	1
darran	0:ac21159e27f4	2	/*
darran	0:ac21159e27f4	3	Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
darran	0:ac21159e27f4	4
darran	0:ac21159e27f4	5	Permission is hereby granted, free of charge, to any person obtaining a copy
darran	0:ac21159e27f4	6	of this software and associated documentation files (the "Software"), to deal
darran	0:ac21159e27f4	7	in the Software without restriction, including without limitation the rights
darran	0:ac21159e27f4	8	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
darran	0:ac21159e27f4	9	copies of the Software, and to permit persons to whom the Software is
darran	0:ac21159e27f4	10	furnished to do so, subject to the following conditions:
darran	0:ac21159e27f4	11
darran	0:ac21159e27f4	12	The above copyright notice and this permission notice shall be included in
darran	0:ac21159e27f4	13	all copies or substantial portions of the Software.
darran	0:ac21159e27f4	14
darran	0:ac21159e27f4	15	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
darran	0:ac21159e27f4	16	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
darran	0:ac21159e27f4	17	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
darran	0:ac21159e27f4	18	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
darran	0:ac21159e27f4	19	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
darran	0:ac21159e27f4	20	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
darran	0:ac21159e27f4	21	THE SOFTWARE.
darran	0:ac21159e27f4	22	*/
darran	0:ac21159e27f4	23
darran	0:ac21159e27f4	24	#include "EthernetNetIf.h"
darran	0:ac21159e27f4	25	#include "netif/etharp.h"
darran	0:ac21159e27f4	26	#include "lwip/dhcp.h"
darran	0:ac21159e27f4	27	#include "ipv4/lwip/autoip.h"
darran	0:ac21159e27f4	28	#include "lwip/dns.h"
darran	0:ac21159e27f4	29	#include "drv/eth/eth_drv.h"
darran	0:ac21159e27f4	30	#include "mbed.h"
darran	0:ac21159e27f4	31
darran	0:ac21159e27f4	32	#define __DEBUG
darran	0:ac21159e27f4	33	#include "dbg/dbg.h"
darran	0:ac21159e27f4	34
darran	0:ac21159e27f4	35	#include "netCfg.h"
darran	0:ac21159e27f4	36	#if NET_ETH
darran	0:ac21159e27f4	37
darran	0:ac21159e27f4	38	EthernetNetIf::EthernetNetIf() : LwipNetIf(), m_ethArpTimer(), m_dhcpCoarseTimer(), m_dhcpFineTimer(), m_autoIpTimer(), m_pNetIf(NULL),
darran	0:ac21159e27f4	39	m_netmask(255,255,255,255), m_gateway(), m_hostname(NULL)
darran	0:ac21159e27f4	40	{
darran	0:ac21159e27f4	41	m_hostname = NULL;
darran	0:ac21159e27f4	42	m_pNetIf = new netif;
darran	0:ac21159e27f4	43	m_useDhcp = true;
darran	0:ac21159e27f4	44	}
darran	0:ac21159e27f4	45
darran	0:ac21159e27f4	46	EthernetNetIf::EthernetNetIf(IpAddr ip, IpAddr netmask, IpAddr gateway, IpAddr dns) : LwipNetIf(), m_ethArpTimer(), m_dhcpCoarseTimer(), m_dhcpFineTimer(), m_autoIpTimer(), m_pNetIf(NULL), m_hostname(NULL) //W/o DHCP
darran	0:ac21159e27f4	47	{
darran	0:ac21159e27f4	48	m_hostname = NULL;
darran	0:ac21159e27f4	49	m_netmask = netmask;
darran	0:ac21159e27f4	50	m_gateway = gateway;
darran	0:ac21159e27f4	51	m_ip = ip;
darran	0:ac21159e27f4	52	m_pNetIf = new netif;
darran	0:ac21159e27f4	53	dns_setserver(0, &dns.getStruct());
darran	0:ac21159e27f4	54	m_useDhcp = false;
darran	0:ac21159e27f4	55	}
darran	0:ac21159e27f4	56
darran	0:ac21159e27f4	57	EthernetNetIf::~EthernetNetIf()
darran	0:ac21159e27f4	58	{
darran	0:ac21159e27f4	59	if(m_pNetIf)
darran	0:ac21159e27f4	60	{
darran	0:ac21159e27f4	61	netif_set_down(m_pNetIf);
darran	0:ac21159e27f4	62	netif_remove(m_pNetIf);
darran	0:ac21159e27f4	63	delete m_pNetIf;
darran	0:ac21159e27f4	64	eth_free();
darran	0:ac21159e27f4	65	}
darran	0:ac21159e27f4	66	}
darran	0:ac21159e27f4	67
darran	0:ac21159e27f4	68	EthernetErr EthernetNetIf::setup(int timeout_ms /= 15000/)
darran	0:ac21159e27f4	69	{
darran	0:ac21159e27f4	70	LwipNetIf::init();
darran	0:ac21159e27f4	71	//m_ethArpTicker.attach_us(&etharp_tmr, ARP_TMR_INTERVAL * 1000); // = 5s in etharp.h
darran	0:ac21159e27f4	72	m_ethArpTimer.start();
darran	0:ac21159e27f4	73	if(m_useDhcp)
darran	0:ac21159e27f4	74	{
darran	0:ac21159e27f4	75	//m_dhcpCoarseTicker.attach(&dhcp_coarse_tmr, DHCP_COARSE_TIMER_SECS); // = 60s in dhcp.h
darran	0:ac21159e27f4	76	//m_dhcpFineTicker.attach_us(&dhcp_fine_tmr, DHCP_FINE_TIMER_MSECS * 1000); // = 500ms in dhcp.h
darran	0:ac21159e27f4	77	m_dhcpCoarseTimer.start();
darran	0:ac21159e27f4	78	m_dhcpFineTimer.start();
darran	0:ac21159e27f4	79	m_autoIpTimer.start();
darran	0:ac21159e27f4	80	}
darran	0:ac21159e27f4	81	m_pNetIf->hwaddr_len = ETHARP_HWADDR_LEN; //6
darran	0:ac21159e27f4	82	eth_address((char *)m_pNetIf->hwaddr);
darran	0:ac21159e27f4	83
darran	0:ac21159e27f4	84	DBG("\r\nHW Addr is : %02x:%02x:%02x:%02x:%02x:%02x.\r\n",
darran	0:ac21159e27f4	85	m_pNetIf->hwaddr[0], m_pNetIf->hwaddr[1], m_pNetIf->hwaddr[2],
darran	0:ac21159e27f4	86	m_pNetIf->hwaddr[3], m_pNetIf->hwaddr[4], m_pNetIf->hwaddr[5]);
darran	0:ac21159e27f4	87
darran	0:ac21159e27f4	88	m_pNetIf = netif_add(m_pNetIf, &(m_ip.getStruct()), &(m_netmask.getStruct()), &(m_gateway.getStruct()), NULL, eth_init, ip_input);//ethernet_input);// ip_input);
darran	0:ac21159e27f4	89	//m_pNetIf->hostname = "mbedDG";//(char *)m_hostname; //Not used for now
darran	0:ac21159e27f4	90	netif_set_default(m_pNetIf);
darran	0:ac21159e27f4	91
darran	0:ac21159e27f4	92	//DBG("\r\nStarting DHCP.\r\n");
darran	0:ac21159e27f4	93
darran	0:ac21159e27f4	94	if(m_useDhcp)
darran	0:ac21159e27f4	95	{
darran	0:ac21159e27f4	96	dhcp_start(m_pNetIf);
darran	0:ac21159e27f4	97	DBG("\r\nDHCP Started, waiting for IP...\r\n");
darran	0:ac21159e27f4	98	}
darran	0:ac21159e27f4	99	else
darran	0:ac21159e27f4	100	{
darran	0:ac21159e27f4	101	netif_set_up(m_pNetIf);
darran	0:ac21159e27f4	102	}
darran	0:ac21159e27f4	103
darran	0:ac21159e27f4	104	Timer timeout;
darran	0:ac21159e27f4	105	timeout.start();
darran	0:ac21159e27f4	106	while( !netif_is_up(m_pNetIf) ) //Wait until device is up
darran	0:ac21159e27f4	107	{
darran	0:ac21159e27f4	108	if(m_useDhcp)
darran	0:ac21159e27f4	109	{
darran	0:ac21159e27f4	110	if(m_dhcpFineTimer.read_ms()>=DHCP_FINE_TIMER_MSECS)
darran	0:ac21159e27f4	111	{
darran	0:ac21159e27f4	112	m_dhcpFineTimer.reset();
darran	0:ac21159e27f4	113	dhcp_fine_tmr();
darran	0:ac21159e27f4	114	}
darran	0:ac21159e27f4	115	if(m_dhcpCoarseTimer.read()>=DHCP_COARSE_TIMER_SECS)
darran	0:ac21159e27f4	116	{
darran	0:ac21159e27f4	117	m_dhcpCoarseTimer.reset();
darran	0:ac21159e27f4	118	dhcp_coarse_tmr();
darran	0:ac21159e27f4	119	}
darran	0:ac21159e27f4	120	if(m_autoIpTimer.read_ms()>=AUTOIP_TMR_INTERVAL)
darran	0:ac21159e27f4	121	{
darran	0:ac21159e27f4	122	m_autoIpTimer.reset();
darran	0:ac21159e27f4	123	autoip_tmr();
darran	0:ac21159e27f4	124	}
darran	0:ac21159e27f4	125	}
darran	0:ac21159e27f4	126	poll();
darran	0:ac21159e27f4	127	if( timeout.read_ms() > timeout_ms )
darran	0:ac21159e27f4	128	{
darran	0:ac21159e27f4	129	//Abort
darran	0:ac21159e27f4	130	if(m_useDhcp)
darran	0:ac21159e27f4	131	dhcp_stop(m_pNetIf);
darran	0:ac21159e27f4	132	else
darran	0:ac21159e27f4	133	netif_set_down(m_pNetIf);
darran	0:ac21159e27f4	134	DBG("\r\nTimeout.\r\n");
darran	0:ac21159e27f4	135	return ETH_TIMEOUT;
darran	0:ac21159e27f4	136	}
darran	0:ac21159e27f4	137	}
darran	0:ac21159e27f4	138
darran	0:ac21159e27f4	139	m_ip = IpAddr(&(m_pNetIf->ip_addr));
darran	0:ac21159e27f4	140
darran	0:ac21159e27f4	141	DBG("\r\nConnected, IP : %d.%d.%d.%d\r\n", m_ip[0], m_ip[1], m_ip[2], m_ip[3]);
darran	0:ac21159e27f4	142
darran	0:ac21159e27f4	143	return ETH_OK;
darran	0:ac21159e27f4	144	}
darran	0:ac21159e27f4	145
darran	0:ac21159e27f4	146	void EthernetNetIf::poll()
darran	0:ac21159e27f4	147	{
darran	0:ac21159e27f4	148	if(m_ethArpTimer.read_ms()>=ARP_TMR_INTERVAL)
darran	0:ac21159e27f4	149	{
darran	0:ac21159e27f4	150	m_ethArpTimer.reset();
darran	0:ac21159e27f4	151	etharp_tmr();
darran	0:ac21159e27f4	152	}
darran	0:ac21159e27f4	153	LwipNetIf::poll();
darran	0:ac21159e27f4	154	eth_poll();
darran	0:ac21159e27f4	155	}
darran	0:ac21159e27f4	156
darran	0:ac21159e27f4	157	#endif

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	02 Jul 2010
Imports:	2
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

if/eth/EthernetNetIf.cpp@0:ac21159e27f4, 2010-07-02 (annotated)

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