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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
Jeroen Hofstee11db3ab2014-08-10 00:30:55 +020028#ifdef CONFIG_CMD_NET
Rafal Jaworowski500856e2008-01-09 19:39:36 +010029
30static int dev_valid_net(void *cookie)
31{
32 return ((void *)eth_get_dev() == cookie) ? 1 : 0;
33}
34
35int dev_open_net(void *cookie)
36{
37 if (!dev_valid_net(cookie))
38 return API_ENODEV;
39
40 if (eth_init(gd->bd) < 0)
41 return API_EIO;
42
43 return 0;
44}
45
46int dev_close_net(void *cookie)
47{
48 if (!dev_valid_net(cookie))
49 return API_ENODEV;
50
51 eth_halt();
52 return 0;
53}
54
Wolfgang Denkd3a65322008-01-10 00:55:14 +010055/*
Rafal Jaworowski500856e2008-01-09 19:39:36 +010056 * There can only be one active eth interface at a time - use what is
57 * currently set to eth_current
58 */
59int dev_enum_net(struct device_info *di)
60{
61 struct eth_device *eth_current = eth_get_dev();
62
63 di->type = DEV_TYP_NET;
64 di->cookie = (void *)eth_current;
65 if (di->cookie == NULL)
66 return 0;
67
68 memcpy(di->di_net.hwaddr, eth_current->enetaddr, 6);
69
70 debugf("device found, returning cookie 0x%08x\n",
71 (u_int32_t)di->cookie);
72
73 return 1;
74}
75
76int dev_write_net(void *cookie, void *buf, int len)
77{
78 /* XXX verify that cookie points to a valid net device??? */
79
80 return eth_send(buf, len);
81}
82
83int dev_read_net(void *cookie, void *buf, int len)
84{
85 /* XXX verify that cookie points to a valid net device??? */
86
87 return eth_receive(buf, len);
88}
Jeroen Hofstee11db3ab2014-08-10 00:30:55 +020089
90#else
91
92int dev_open_net(void *cookie)
93{
94 return API_ENODEV;
95}
96
97int dev_close_net(void *cookie)
98{
99 return API_ENODEV;
100}
101
102int dev_enum_net(struct device_info *di)
103{
104 return 0;
105}
106
107int dev_write_net(void *cookie, void *buf, int len)
108{
109 return API_ENODEV;
110}
111
112int dev_read_net(void *cookie, void *buf, int len)
113{
114 return API_ENODEV;
115}
116
117#endif