arch/arm/plat-feroceon/mv_drivers_lsp/mv_neta/bm/mv_eth_bm.c

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********************************************************************************
Marvell GPL License Option

If you received this File from Marvell, you may opt to use, redistribute and/or
modify this File in accordance with the terms and conditions of the General
Public License Version 2, June 1991 (the "GPL License"), a copy of which is
available along with the File in the license.txt file or by writing to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or
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THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY
DISCLAIMED.  The GPL License provides additional details about this warranty
disclaimer.
*******************************************************************************/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/capability.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>

#include "gbe/mvNeta.h"
#include "bm/mvBm.h"

#include "net_dev/mv_netdev.h"

typedef struct {
	int             pool_pkt_size[MV_BM_POOLS];
	MV_BM_CONFIG	port_config[CONFIG_MV_ETH_PORTS_NUM];
} MV_ETH_BM_CONFIG;

static MV_ETH_BM_CONFIG mv_eth_bm_config;

int mv_eth_bm_config_pkt_size_get(int pool)
{
	if (mvNetaMaxCheck(pool, MV_BM_POOLS))
		return -EINVAL;

	return mv_eth_bm_config.pool_pkt_size[pool];
}

int mv_eth_bm_config_pkt_size_set(int pool, int pkt_size)
{
	if (mvNetaMaxCheck(pool, MV_BM_POOLS))
		return -EINVAL;

	mv_eth_bm_config.pool_pkt_size[pool] = pkt_size;
	return 0;
}

int mv_eth_bm_config_long_pool_get(int port)
{
	if (mvNetaPortCheck(port))
		return -EINVAL;

	return mv_eth_bm_config.port_config[port].longPool;
}

int mv_eth_bm_config_long_buf_num_get(int port)
{
	if (mvNetaPortCheck(port))
		return -EINVAL;

	return mv_eth_bm_config.port_config[port].longBufNum;
}

int mv_eth_bm_config_short_pool_get(int port)
{
	if (mvNetaPortCheck(port))
		return -EINVAL;

	return mv_eth_bm_config.port_config[port].shortPool;
}

int mv_eth_bm_config_short_buf_num_get(int port)
{
	if (mvNetaPortCheck(port))
		return -EINVAL;

	return mv_eth_bm_config.port_config[port].shortBufNum;
}

int mv_eth_bm_config_buf_num_set(int port, int longBufNum, int shortBufNum)
{
	if (mvNetaPortCheck(port))
		return -EINVAL;

	mv_eth_bm_config.port_config[port].shortBufNum = shortBufNum;
	mv_eth_bm_config.port_config[port].longBufNum = longBufNum;
	return 0;
}

/* Once time call: init configuration structure accordingly with compile time parameters */
MV_STATUS mv_eth_bm_config_get(void)
{
	MV_BM_CONFIG *bmConfig;
	int           port;

	mv_eth_bm_config.pool_pkt_size[0] = CONFIG_MV_ETH_BM_0_PKT_SIZE;
	mv_eth_bm_config.pool_pkt_size[1] = CONFIG_MV_ETH_BM_1_PKT_SIZE;
	mv_eth_bm_config.pool_pkt_size[2] = CONFIG_MV_ETH_BM_2_PKT_SIZE;
	mv_eth_bm_config.pool_pkt_size[3] = CONFIG_MV_ETH_BM_3_PKT_SIZE;

#ifdef CONFIG_MV_ETH_BM_PORT_0
	port = 0;
	bmConfig = &mv_eth_bm_config.port_config[port];
	memset(bmConfig, 0, sizeof(MV_BM_CONFIG));
	bmConfig->valid = 1;
	bmConfig->longPool = CONFIG_MV_ETH_BM_PORT_0_LONG_POOL;
	bmConfig->shortPool = CONFIG_MV_ETH_BM_PORT_0_SHORT_POOL;
	bmConfig->longBufNum = CONFIG_MV_ETH_BM_PORT_0_LONG_BUF_NUM;

#if (CONFIG_MV_ETH_BM_PORT_0_SHORT_POOL != CONFIG_MV_ETH_BM_PORT_0_LONG_POOL)
	bmConfig->shortBufNum = CONFIG_MV_ETH_BM_PORT_0_SHORT_BUF_NUM;
#endif /* CONFIG_MV_ETH_BM_PORT_0_SHORT_POOL != CONFIG_MV_ETH_BM_PORT_0_LONG_POOL */
#endif /* CONFIG_MV_ETH_BM_PORT_0 */

#ifdef CONFIG_MV_ETH_BM_PORT_1
	port = 1;
	bmConfig = &mv_eth_bm_config.port_config[port];
	memset(bmConfig, 0, sizeof(MV_BM_CONFIG));
	bmConfig->valid = 1;
	bmConfig->longPool = CONFIG_MV_ETH_BM_PORT_1_LONG_POOL;
	bmConfig->shortPool = CONFIG_MV_ETH_BM_PORT_1_SHORT_POOL;
	bmConfig->longBufNum = CONFIG_MV_ETH_BM_PORT_1_LONG_BUF_NUM;

#if (CONFIG_MV_ETH_BM_PORT_1_SHORT_POOL != CONFIG_MV_ETH_BM_PORT_1_LONG_POOL)
	bmConfig->shortBufNum = CONFIG_MV_ETH_BM_PORT_1_SHORT_BUF_NUM;
#endif /* CONFIG_MV_ETH_BM_PORT_1_SHORT_POOL != CONFIG_MV_ETH_BM_PORT_1_LONG_POOL */
#endif /* CONFIG_MV_ETH_BM_PORT_1 */

#ifdef CONFIG_MV_ETH_BM_PORT_2
	port = 2;
	bmConfig = &mv_eth_bm_config.port_config[port];
	memset(bmConfig, 0, sizeof(MV_BM_CONFIG));
	bmConfig->valid = 1;
	bmConfig->longPool = CONFIG_MV_ETH_BM_PORT_2_LONG_POOL;
	bmConfig->shortPool = CONFIG_MV_ETH_BM_PORT_2_SHORT_POOL;
	bmConfig->longBufNum = CONFIG_MV_ETH_BM_PORT_2_LONG_BUF_NUM;

#if (CONFIG_MV_ETH_BM_PORT_2_SHORT_POOL != CONFIG_MV_ETH_BM_PORT_2_LONG_POOL)
	bmConfig->shortBufNum = CONFIG_MV_ETH_BM_PORT_2_SHORT_BUF_NUM;
#endif /* CONFIG_MV_ETH_BM_PORT_2_SHORT_POOL != CONFIG_MV_ETH_BM_PORT_2_LONG_POOL */
#endif /* CONFIG_MV_ETH_BM_PORT_2 */

	#ifdef CONFIG_MV_ETH_BM_PORT_3
	port = 3;
	bmConfig = &mv_eth_bm_config.port_config[port];
	memset(bmConfig, 0, sizeof(MV_BM_CONFIG));
	bmConfig->valid = 1;
	bmConfig->longPool = CONFIG_MV_ETH_BM_PORT_3_LONG_POOL;
	bmConfig->shortPool = CONFIG_MV_ETH_BM_PORT_3_SHORT_POOL;
	bmConfig->longBufNum = CONFIG_MV_ETH_BM_PORT_3_LONG_BUF_NUM;

#if (CONFIG_MV_ETH_BM_PORT_3_SHORT_POOL != CONFIG_MV_ETH_BM_PORT_3_LONG_POOL)
	bmConfig->shortBufNum = CONFIG_MV_ETH_BM_PORT_3_SHORT_BUF_NUM;
#endif /* CONFIG_MV_ETH_BM_PORT_3_SHORT_POOL != CONFIG_MV_ETH_BM_PORT_3_LONG_POOL */
#endif /* CONFIG_MV_ETH_BM_PORT_3 */

	return MV_OK;
}

void mv_eth_bm_config_print(void)
{
	int           i;
	MV_BM_CONFIG *bmConfig;

	mvOsPrintf("BM compile time configuration\n");
	for (i = 0; i < MV_BM_POOLS; i++)
		mvOsPrintf("pool %d: pkt_size = %d bytes\n", i, mv_eth_bm_config.pool_pkt_size[i]);

	mvOsPrintf("\n");
	mvOsPrintf("port:  longPool  shortPool  longBufNum  shortBufNum\n");
	for (i = 0; i < CONFIG_MV_ETH_PORTS_NUM; i++) {
		bmConfig = &mv_eth_bm_config.port_config[i];
		if (bmConfig->valid)
			mvOsPrintf("  %2d:   %4d       %4d        %4d         %4d\n",
				i, bmConfig->longPool, bmConfig->shortPool,
				bmConfig->longBufNum, bmConfig->shortBufNum);
	}
	mvOsPrintf("\n");
}