189 lines
4.2 KiB
C
189 lines
4.2 KiB
C
/*
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* (C) Copyright 2001-2004
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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#include <driver.h>
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#include <init.h>
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#include <net.h>
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#include <miiphy.h>
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#include <errno.h>
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#include <malloc.h>
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static struct eth_device *eth_current;
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static LIST_HEAD(netdev_list);
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void eth_set_current(struct eth_device *eth)
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{
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eth_current = eth;
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}
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struct eth_device * eth_get_current(void)
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{
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return eth_current;
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}
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struct eth_device *eth_get_byname(char *ethname)
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{
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struct eth_device *edev;
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char name[MAX_DRIVER_NAME];
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list_for_each_entry(edev, &netdev_list, list) {
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sprintf(name, "%s%d", edev->dev.name, edev->dev.id);
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if (!strcmp(ethname, name))
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return edev;
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}
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return NULL;
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}
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int eth_open(void)
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{
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if (!eth_current)
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return -ENODEV;
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return eth_current->open(eth_current);
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}
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void eth_halt(void)
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{
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if (!eth_current)
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return;
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eth_current->halt(eth_current);
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eth_current->state = ETH_STATE_PASSIVE;
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}
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int eth_send(void *packet, int length)
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{
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if (!eth_current)
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return -ENODEV;
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return eth_current->send(eth_current, packet, length);
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}
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int eth_rx(void)
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{
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if (!eth_current)
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return -ENODEV;
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return eth_current->recv(eth_current);
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}
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static int eth_set_ethaddr(struct device_d *dev, struct param_d *param, const char *val)
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{
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struct eth_device *edev = dev->type_data;
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char ethaddr[sizeof("xx:xx:xx:xx:xx:xx")];
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if (string_to_ethaddr(val, ethaddr) < 0)
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return -EINVAL;
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free(param->value);
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param->value = strdup(val);
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edev->set_ethaddr(edev, ethaddr);
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return 0;
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}
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static int eth_set_ipaddr(struct device_d *dev, struct param_d *param, const char *val)
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{
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IPaddr_t ip;
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if (string_to_ip(val, &ip))
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return -EINVAL;
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free(param->value);
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param->value = strdup(val);
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return 0;
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}
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int eth_register(struct eth_device *edev)
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{
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struct device_d *dev = &edev->dev;
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unsigned char ethaddr_str[20];
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unsigned char ethaddr[6];
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if (!edev->get_ethaddr) {
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printf("no get_mac_address found for current eth device\n");
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return -1;
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}
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strcpy(edev->dev.name, "eth");
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register_device(&edev->dev);
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dev->type_data = edev;
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edev->param_ip.name = "ipaddr";
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edev->param_ip.set = ð_set_ipaddr;
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edev->param_ethaddr.name = "ethaddr";
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edev->param_ethaddr.set = ð_set_ethaddr;
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edev->param_gateway.name = "gateway";
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edev->param_gateway.set = ð_set_ipaddr;
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edev->param_netmask.name = "netmask";
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edev->param_netmask.set = ð_set_ipaddr;
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edev->param_serverip.name = "serverip";
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edev->param_serverip.set = ð_set_ipaddr;
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dev_add_param(dev, &edev->param_ip);
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dev_add_param(dev, &edev->param_ethaddr);
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dev_add_param(dev, &edev->param_gateway);
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dev_add_param(dev, &edev->param_netmask);
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dev_add_param(dev, &edev->param_serverip);
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edev->init(edev);
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list_add_tail(&edev->list, &netdev_list);
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if (edev->get_ethaddr(edev, ethaddr) == 0) {
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ethaddr_to_string(ethaddr, ethaddr_str);
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printf("got MAC address from EEPROM: %s\n",ethaddr_str);
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dev_set_param(dev, "ethaddr", ethaddr_str);
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}
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if (!eth_current)
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eth_current = edev;
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return 0;
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}
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void eth_unregister(struct eth_device *edev)
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{
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if (edev->param_ip.value)
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free(edev->param_ip.value);
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if (edev->param_ethaddr.value)
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free(edev->param_ethaddr.value);
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if (edev->param_gateway.value)
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free(edev->param_gateway.value);
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if (edev->param_netmask.value)
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free(edev->param_netmask.value);
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if (edev->param_serverip.value)
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free(edev->param_serverip.value);
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if (eth_current == edev)
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eth_current = NULL;
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list_del(&edev->list);
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}
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