[people/ms/u-boot.git] / api / api_net.c

/*
 * (C) Copyright 2007 Semihalf
 *
 * Written by: Rafal Jaworowski <raj@semihalf.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <config.h>
#include <common.h>
#include <net.h>
#include <linux/types.h>
#include <api_public.h>

DECLARE_GLOBAL_DATA_PTR;

#define DEBUG
#undef DEBUG

#ifdef DEBUG
#define debugf(fmt, args...) do { printf("%s(): ", __func__); printf(fmt, ##args); } while (0)
#else
#define debugf(fmt, args...)
#endif

#define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)


static int dev_valid_net(void *cookie)
{
	return ((void *)eth_get_dev() == cookie) ? 1 : 0;
}

int dev_open_net(void *cookie)
{
	if (!dev_valid_net(cookie))
		return API_ENODEV;

	if (eth_init(gd->bd) < 0)
		return API_EIO;

	return 0;
}

int dev_close_net(void *cookie)
{
	if (!dev_valid_net(cookie))
		return API_ENODEV;

	eth_halt();
	return 0;
}

/*
 * There can only be one active eth interface at a time - use what is
 * currently set to eth_current
 */
int dev_enum_net(struct device_info *di)
{
	struct eth_device *eth_current = eth_get_dev();

	di->type = DEV_TYP_NET;
	di->cookie = (void *)eth_current;
	if (di->cookie == NULL)
		return 0;

	memcpy(di->di_net.hwaddr, eth_current->enetaddr, 6);

	debugf("device found, returning cookie 0x%08x\n",
		(u_int32_t)di->cookie);

	return 1;
}

int dev_write_net(void *cookie, void *buf, int len)
{
	/* XXX verify that cookie points to a valid net device??? */

	return eth_send(buf, len);
}

int dev_read_net(void *cookie, void *buf, int len)
{
	/* XXX verify that cookie points to a valid net device??? */

	return eth_receive(buf, len);
}
Commit	Line	Data
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	}