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Rafal Jaworowski500856e2008-01-09 19:39:36 +01001/*
2 * (C) Copyright 2007 Semihalf
3 *
4 * Written by: Rafal Jaworowski <raj@semihalf.com>
5 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02006 * SPDX-License-Identifier: GPL-2.0+
Rafal Jaworowski500856e2008-01-09 19:39:36 +01007 */
8
9#include <config.h>
Rafal Jaworowski500856e2008-01-09 19:39:36 +010010#include <common.h>
11#include <net.h>
12#include <linux/types.h>
13#include <api_public.h>
14
15DECLARE_GLOBAL_DATA_PTR;
16
17#define DEBUG
18#undef DEBUG
19
Rafal Jaworowski500856e2008-01-09 19:39:36 +010020#ifdef DEBUG
21#define debugf(fmt, args...) do { printf("%s(): ", __func__); printf(fmt, ##args); } while (0)
22#else
23#define debugf(fmt, args...)
24#endif
25
26#define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)
27
28
29static int dev_valid_net(void *cookie)
30{
31 return ((void *)eth_get_dev() == cookie) ? 1 : 0;
32}
33
34int dev_open_net(void *cookie)
35{
36 if (!dev_valid_net(cookie))
37 return API_ENODEV;
38
39 if (eth_init(gd->bd) < 0)
40 return API_EIO;
41
42 return 0;
43}
44
45int dev_close_net(void *cookie)
46{
47 if (!dev_valid_net(cookie))
48 return API_ENODEV;
49
50 eth_halt();
51 return 0;
52}
53
Wolfgang Denkd3a65322008-01-10 00:55:14 +010054/*
Rafal Jaworowski500856e2008-01-09 19:39:36 +010055 * There can only be one active eth interface at a time - use what is
56 * currently set to eth_current
57 */
58int dev_enum_net(struct device_info *di)
59{
60 struct eth_device *eth_current = eth_get_dev();
61
62 di->type = DEV_TYP_NET;
63 di->cookie = (void *)eth_current;
64 if (di->cookie == NULL)
65 return 0;
66
67 memcpy(di->di_net.hwaddr, eth_current->enetaddr, 6);
68
69 debugf("device found, returning cookie 0x%08x\n",
70 (u_int32_t)di->cookie);
71
72 return 1;
73}
74
75int dev_write_net(void *cookie, void *buf, int len)
76{
77 /* XXX verify that cookie points to a valid net device??? */
78
79 return eth_send(buf, len);
80}
81
82int dev_read_net(void *cookie, void *buf, int len)
83{
84 /* XXX verify that cookie points to a valid net device??? */
85
86 return eth_receive(buf, len);
87}