linux/drivers/net/wireless/ti/wl18xx/acx.c
Luciano Coelho f74ea74b82 wl18xx: add support to clear FW statistics
This patch calls ACX_CLEAR_STATISTICS to clear the firmware
statistics.  The trigger is a new debugfs file called
clear_fw_statistics in the fw_stats directory.

Signed-off-by: Luciano Coelho <coelho@ti.com>
2012-06-08 09:14:07 +03:00

112 lines
2.7 KiB
C

/*
* This file is part of wl18xx
*
* Copyright (C) 2011 Texas Instruments Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include "../wlcore/cmd.h"
#include "../wlcore/debug.h"
#include "../wlcore/acx.h"
#include "acx.h"
int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap,
u32 sdio_blk_size, u32 extra_mem_blks,
u32 len_field_size)
{
struct wl18xx_acx_host_config_bitmap *bitmap_conf;
int ret;
wl1271_debug(DEBUG_ACX, "acx cfg bitmap %d blk %d spare %d field %d",
host_cfg_bitmap, sdio_blk_size, extra_mem_blks,
len_field_size);
bitmap_conf = kzalloc(sizeof(*bitmap_conf), GFP_KERNEL);
if (!bitmap_conf) {
ret = -ENOMEM;
goto out;
}
bitmap_conf->host_cfg_bitmap = cpu_to_le32(host_cfg_bitmap);
bitmap_conf->host_sdio_block_size = cpu_to_le32(sdio_blk_size);
bitmap_conf->extra_mem_blocks = cpu_to_le32(extra_mem_blks);
bitmap_conf->length_field_size = cpu_to_le32(len_field_size);
ret = wl1271_cmd_configure(wl, ACX_HOST_IF_CFG_BITMAP,
bitmap_conf, sizeof(*bitmap_conf));
if (ret < 0) {
wl1271_warning("wl1271 bitmap config opt failed: %d", ret);
goto out;
}
out:
kfree(bitmap_conf);
return ret;
}
int wl18xx_acx_set_checksum_state(struct wl1271 *wl)
{
struct wl18xx_acx_checksum_state *acx;
int ret;
wl1271_debug(DEBUG_ACX, "acx checksum state");
acx = kzalloc(sizeof(*acx), GFP_KERNEL);
if (!acx) {
ret = -ENOMEM;
goto out;
}
acx->checksum_state = CHECKSUM_OFFLOAD_ENABLED;
ret = wl1271_cmd_configure(wl, ACX_CHECKSUM_CONFIG, acx, sizeof(*acx));
if (ret < 0) {
wl1271_warning("failed to set Tx checksum state: %d", ret);
goto out;
}
out:
kfree(acx);
return ret;
}
int wl18xx_acx_clear_statistics(struct wl1271 *wl)
{
struct wl18xx_acx_clear_statistics *acx;
int ret = 0;
wl1271_debug(DEBUG_ACX, "acx clear statistics");
acx = kzalloc(sizeof(*acx), GFP_KERNEL);
if (!acx) {
ret = -ENOMEM;
goto out;
}
ret = wl1271_cmd_configure(wl, ACX_CLEAR_STATISTICS, acx, sizeof(*acx));
if (ret < 0) {
wl1271_warning("failed to clear firmware statistics: %d", ret);
goto out;
}
out:
kfree(acx);
return ret;
}