Darran Shepherd
/
AutoIpNetStack
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 |
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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(ðarp_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 |