1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * (C) Copyright 2007 Semihalf
4 *
5 * Written by: Rafal Jaworowski <raj@semihalf.com>
6 */
7
8 #include <config.h>
9 #include <common.h>
10 #include <net.h>
11 #include <linux/types.h>
12 #include <api_public.h>
13
14 #define DEBUG
15 #undef DEBUG
16
17 #ifdef DEBUG
18 #define debugf(fmt, args...) do { printf("%s(): ", __func__); printf(fmt, ##args); } while (0)
19 #else
20 #define debugf(fmt, args...)
21 #endif
22
23 #define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)
24
25 #if defined(CONFIG_CMD_NET) && !defined(CONFIG_DM_ETH)
26
dev_valid_net(void * cookie)27 static int dev_valid_net(void *cookie)
28 {
29 return ((void *)eth_get_dev() == cookie) ? 1 : 0;
30 }
31
dev_open_net(void * cookie)32 int dev_open_net(void *cookie)
33 {
34 if (!dev_valid_net(cookie))
35 return API_ENODEV;
36
37 if (eth_init() < 0)
38 return API_EIO;
39
40 return 0;
41 }
42
dev_close_net(void * cookie)43 int dev_close_net(void *cookie)
44 {
45 if (!dev_valid_net(cookie))
46 return API_ENODEV;
47
48 eth_halt();
49 return 0;
50 }
51
52 /*
53 * There can only be one active eth interface at a time - use what is
54 * currently set to eth_current
55 */
dev_enum_net(struct device_info * di)56 int dev_enum_net(struct device_info *di)
57 {
58 struct eth_device *eth_current = eth_get_dev();
59
60 di->type = DEV_TYP_NET;
61 di->cookie = (void *)eth_current;
62 if (di->cookie == NULL)
63 return 0;
64
65 memcpy(di->di_net.hwaddr, eth_current->enetaddr, 6);
66
67 debugf("device found, returning cookie 0x%08x\n",
68 (u_int32_t)di->cookie);
69
70 return 1;
71 }
72
dev_write_net(void * cookie,void * buf,int len)73 int dev_write_net(void *cookie, void *buf, int len)
74 {
75 /* XXX verify that cookie points to a valid net device??? */
76
77 return eth_send(buf, len);
78 }
79
dev_read_net(void * cookie,void * buf,int len)80 int dev_read_net(void *cookie, void *buf, int len)
81 {
82 /* XXX verify that cookie points to a valid net device??? */
83
84 return eth_receive(buf, len);
85 }
86
87 #else
88
dev_open_net(void * cookie)89 int dev_open_net(void *cookie)
90 {
91 return API_ENODEV;
92 }
93
dev_close_net(void * cookie)94 int dev_close_net(void *cookie)
95 {
96 return API_ENODEV;
97 }
98
dev_enum_net(struct device_info * di)99 int dev_enum_net(struct device_info *di)
100 {
101 return 0;
102 }
103
dev_write_net(void * cookie,void * buf,int len)104 int dev_write_net(void *cookie, void *buf, int len)
105 {
106 return API_ENODEV;
107 }
108
dev_read_net(void * cookie,void * buf,int len)109 int dev_read_net(void *cookie, void *buf, int len)
110 {
111 return API_ENODEV;
112 }
113
114 #endif
115