1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * (C) Copyright 2007 Semihalf
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Written by: Rafal Jaworowski <raj@semihalf.com>
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #include <config.h>
10*4882a593Smuzhiyun #include <common.h>
11*4882a593Smuzhiyun #include <net.h>
12*4882a593Smuzhiyun #include <linux/types.h>
13*4882a593Smuzhiyun #include <api_public.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun #define DEBUG
18*4882a593Smuzhiyun #undef DEBUG
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun #ifdef DEBUG
21*4882a593Smuzhiyun #define debugf(fmt, args...) do { printf("%s(): ", __func__); printf(fmt, ##args); } while (0)
22*4882a593Smuzhiyun #else
23*4882a593Smuzhiyun #define debugf(fmt, args...)
24*4882a593Smuzhiyun #endif
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun #define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun #if defined(CONFIG_CMD_NET) && !defined(CONFIG_DM_ETH)
29*4882a593Smuzhiyun
dev_valid_net(void * cookie)30*4882a593Smuzhiyun static int dev_valid_net(void *cookie)
31*4882a593Smuzhiyun {
32*4882a593Smuzhiyun return ((void *)eth_get_dev() == cookie) ? 1 : 0;
33*4882a593Smuzhiyun }
34*4882a593Smuzhiyun
dev_open_net(void * cookie)35*4882a593Smuzhiyun int dev_open_net(void *cookie)
36*4882a593Smuzhiyun {
37*4882a593Smuzhiyun if (!dev_valid_net(cookie))
38*4882a593Smuzhiyun return API_ENODEV;
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun if (eth_init() < 0)
41*4882a593Smuzhiyun return API_EIO;
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun return 0;
44*4882a593Smuzhiyun }
45*4882a593Smuzhiyun
dev_close_net(void * cookie)46*4882a593Smuzhiyun int dev_close_net(void *cookie)
47*4882a593Smuzhiyun {
48*4882a593Smuzhiyun if (!dev_valid_net(cookie))
49*4882a593Smuzhiyun return API_ENODEV;
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun eth_halt();
52*4882a593Smuzhiyun return 0;
53*4882a593Smuzhiyun }
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun /*
56*4882a593Smuzhiyun * There can only be one active eth interface at a time - use what is
57*4882a593Smuzhiyun * currently set to eth_current
58*4882a593Smuzhiyun */
dev_enum_net(struct device_info * di)59*4882a593Smuzhiyun int dev_enum_net(struct device_info *di)
60*4882a593Smuzhiyun {
61*4882a593Smuzhiyun struct eth_device *eth_current = eth_get_dev();
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun di->type = DEV_TYP_NET;
64*4882a593Smuzhiyun di->cookie = (void *)eth_current;
65*4882a593Smuzhiyun if (di->cookie == NULL)
66*4882a593Smuzhiyun return 0;
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun memcpy(di->di_net.hwaddr, eth_current->enetaddr, 6);
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun debugf("device found, returning cookie 0x%08x\n",
71*4882a593Smuzhiyun (u_int32_t)di->cookie);
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun return 1;
74*4882a593Smuzhiyun }
75*4882a593Smuzhiyun
dev_write_net(void * cookie,void * buf,int len)76*4882a593Smuzhiyun int dev_write_net(void *cookie, void *buf, int len)
77*4882a593Smuzhiyun {
78*4882a593Smuzhiyun /* XXX verify that cookie points to a valid net device??? */
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun return eth_send(buf, len);
81*4882a593Smuzhiyun }
82*4882a593Smuzhiyun
dev_read_net(void * cookie,void * buf,int len)83*4882a593Smuzhiyun int dev_read_net(void *cookie, void *buf, int len)
84*4882a593Smuzhiyun {
85*4882a593Smuzhiyun /* XXX verify that cookie points to a valid net device??? */
86*4882a593Smuzhiyun
87*4882a593Smuzhiyun return eth_receive(buf, len);
88*4882a593Smuzhiyun }
89*4882a593Smuzhiyun
90*4882a593Smuzhiyun #else
91*4882a593Smuzhiyun
dev_open_net(void * cookie)92*4882a593Smuzhiyun int dev_open_net(void *cookie)
93*4882a593Smuzhiyun {
94*4882a593Smuzhiyun return API_ENODEV;
95*4882a593Smuzhiyun }
96*4882a593Smuzhiyun
dev_close_net(void * cookie)97*4882a593Smuzhiyun int dev_close_net(void *cookie)
98*4882a593Smuzhiyun {
99*4882a593Smuzhiyun return API_ENODEV;
100*4882a593Smuzhiyun }
101*4882a593Smuzhiyun
dev_enum_net(struct device_info * di)102*4882a593Smuzhiyun int dev_enum_net(struct device_info *di)
103*4882a593Smuzhiyun {
104*4882a593Smuzhiyun return 0;
105*4882a593Smuzhiyun }
106*4882a593Smuzhiyun
dev_write_net(void * cookie,void * buf,int len)107*4882a593Smuzhiyun int dev_write_net(void *cookie, void *buf, int len)
108*4882a593Smuzhiyun {
109*4882a593Smuzhiyun return API_ENODEV;
110*4882a593Smuzhiyun }
111*4882a593Smuzhiyun
dev_read_net(void * cookie,void * buf,int len)112*4882a593Smuzhiyun int dev_read_net(void *cookie, void *buf, int len)
113*4882a593Smuzhiyun {
114*4882a593Smuzhiyun return API_ENODEV;
115*4882a593Smuzhiyun }
116*4882a593Smuzhiyun
117*4882a593Smuzhiyun #endif
118