/* * (C) Copyright 2007 Semihalf * * Written by: Rafal Jaworowski <raj@semihalf.com> * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * */ #include <config.h> #include <common.h> #include <net.h> #include <linux/types.h> #include <api_public.h> DECLARE_GLOBAL_DATA_PTR; #define DEBUG #undef DEBUG #ifdef DEBUG #define debugf(fmt, args...) do { printf("%s(): ", __func__); printf(fmt, ##args); } while (0) #else #define debugf(fmt, args...) #endif #define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0) static int dev_valid_net(void *cookie) { return ((void *)eth_get_dev() == cookie) ? 1 : 0; } int dev_open_net(void *cookie) { if (!dev_valid_net(cookie)) return API_ENODEV; if (eth_init(gd->bd) < 0) return API_EIO; return 0; } int dev_close_net(void *cookie) { if (!dev_valid_net(cookie)) return API_ENODEV; eth_halt(); return 0; } /* * There can only be one active eth interface at a time - use what is * currently set to eth_current */ int dev_enum_net(struct device_info *di) { struct eth_device *eth_current = eth_get_dev(); di->type = DEV_TYP_NET; di->cookie = (void *)eth_current; if (di->cookie == NULL) return 0; memcpy(di->di_net.hwaddr, eth_current->enetaddr, 6); debugf("device found, returning cookie 0x%08x\n", (u_int32_t)di->cookie); return 1; } int dev_write_net(void *cookie, void *buf, int len) { /* XXX verify that cookie points to a valid net device??? */ return eth_send(buf, len); } int dev_read_net(void *cookie, void *buf, int len) { /* XXX verify that cookie points to a valid net device??? */ return eth_receive(buf, len); }