blob: afe072e76acec152f9bdd744efaf1e2c93e6a917 [file] [log] [blame]
Rafal Jaworowski500856e2008-01-09 19:39:36 +01001/*
2 * (C) Copyright 2007 Semihalf
3 *
4 * Written by: Rafal Jaworowski <raj@semihalf.com>
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * MA 02111-1307 USA
23 *
24 */
25
26#include <config.h>
Rafal Jaworowski500856e2008-01-09 19:39:36 +010027#include <common.h>
28#include <net.h>
29#include <linux/types.h>
30#include <api_public.h>
31
32DECLARE_GLOBAL_DATA_PTR;
33
34#define DEBUG
35#undef DEBUG
36
37#if !defined(CONFIG_NET_MULTI)
38#error "API/net is currently only available for platforms with CONFIG_NET_MULTI"
39#endif
40
41#ifdef DEBUG
42#define debugf(fmt, args...) do { printf("%s(): ", __func__); printf(fmt, ##args); } while (0)
43#else
44#define debugf(fmt, args...)
45#endif
46
47#define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)
48
49
50static int dev_valid_net(void *cookie)
51{
52 return ((void *)eth_get_dev() == cookie) ? 1 : 0;
53}
54
55int dev_open_net(void *cookie)
56{
57 if (!dev_valid_net(cookie))
58 return API_ENODEV;
59
60 if (eth_init(gd->bd) < 0)
61 return API_EIO;
62
63 return 0;
64}
65
66int dev_close_net(void *cookie)
67{
68 if (!dev_valid_net(cookie))
69 return API_ENODEV;
70
71 eth_halt();
72 return 0;
73}
74
Wolfgang Denkd3a65322008-01-10 00:55:14 +010075/*
Rafal Jaworowski500856e2008-01-09 19:39:36 +010076 * There can only be one active eth interface at a time - use what is
77 * currently set to eth_current
78 */
79int dev_enum_net(struct device_info *di)
80{
81 struct eth_device *eth_current = eth_get_dev();
82
83 di->type = DEV_TYP_NET;
84 di->cookie = (void *)eth_current;
85 if (di->cookie == NULL)
86 return 0;
87
88 memcpy(di->di_net.hwaddr, eth_current->enetaddr, 6);
89
90 debugf("device found, returning cookie 0x%08x\n",
91 (u_int32_t)di->cookie);
92
93 return 1;
94}
95
96int dev_write_net(void *cookie, void *buf, int len)
97{
98 /* XXX verify that cookie points to a valid net device??? */
99
100 return eth_send(buf, len);
101}
102
103int dev_read_net(void *cookie, void *buf, int len)
104{
105 /* XXX verify that cookie points to a valid net device??? */
106
107 return eth_receive(buf, len);
108}