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500856eb RJ |
1 | /* |
2 | * (C) Copyright 2007 Semihalf | |
3 | * | |
4 | * Written by: Rafal Jaworowski <raj@semihalf.com> | |
5 | * | |
1a459660 | 6 | * SPDX-License-Identifier: GPL-2.0+ |
500856eb RJ |
7 | */ |
8 | ||
9 | #include <config.h> | |
500856eb RJ |
10 | #include <common.h> |
11 | #include <net.h> | |
12 | #include <linux/types.h> | |
13 | #include <api_public.h> | |
14 | ||
15 | DECLARE_GLOBAL_DATA_PTR; | |
16 | ||
17 | #define DEBUG | |
18 | #undef DEBUG | |
19 | ||
500856eb RJ |
20 | #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 | ||
29 | static int dev_valid_net(void *cookie) | |
30 | { | |
31 | return ((void *)eth_get_dev() == cookie) ? 1 : 0; | |
32 | } | |
33 | ||
34 | int 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 | ||
45 | int 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 | ||
d3a6532c | 54 | /* |
500856eb RJ |
55 | * There can only be one active eth interface at a time - use what is |
56 | * currently set to eth_current | |
57 | */ | |
58 | int 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 | ||
75 | int 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 | ||
82 | int 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 | } |