wl18xx: add support to clear FW statistics (f74ea74b) · Commits · 戴 / test

drivers/net/wireless/ti/wl18xx/acx.c

+24 −0

Original line number	Diff line number	Diff line
		@@ -85,3 +85,27 @@ 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;
		}

+9 −0

Original line number	Diff line number	Diff line
		@@ -25,6 +25,10 @@
		#include "../wlcore/wlcore.h"
		#include "../wlcore/acx.h"

		enum {
		ACX_CLEAR_STATISTICS = 0x0047,
		};

		/* numbers of bits the length field takes (add 1 for the actual number) */
		#define WL18XX_HOST_IF_LEN_SIZE_FIELD 15

		@@ -253,9 +257,14 @@ struct wl18xx_acx_statistics {
		struct wl18xx_acx_mem_stats mem;
		} __packed;

		struct wl18xx_acx_clear_statistics {
		struct acx_header header;
		};

		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);
		int wl18xx_acx_set_checksum_state(struct wl1271 *wl);
		int wl18xx_acx_clear_statistics(struct wl1271 *wl);

		#endif /* __WL18XX_ACX_H__ */

+30 −0

Original line number	Diff line number	Diff line
		@@ -158,6 +158,34 @@ WL18XX_DEBUGFS_FWSTATS_FILE(mem, tx_free_mem_blks, "%u");
		WL18XX_DEBUGFS_FWSTATS_FILE(mem, fwlog_free_mem_blks, "%u");
		WL18XX_DEBUGFS_FWSTATS_FILE(mem, fw_gen_free_mem_blks, "%u");

		static ssize_t clear_fw_stats_write(struct file *file,
		const char __user *user_buf,
		size_t count, loff_t *ppos)
		{
		struct wl1271 *wl = file->private_data;
		int ret;

		mutex_lock(&wl->mutex);

		if (wl->state == WL1271_STATE_OFF)
		goto out;

		ret = wl18xx_acx_clear_statistics(wl);
		if (ret < 0) {
		count = ret;
		goto out;
		}
		out:
		mutex_unlock(&wl->mutex);
		return count;
		}

		static const struct file_operations clear_fw_stats_ops = {
		.write = clear_fw_stats_write,
		.open = simple_open,
		.llseek = default_llseek,
		};

		int wl18xx_debugfs_add_files(struct wl1271 *wl,
		struct dentry *rootdir)
		{
		@@ -176,6 +204,8 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl,
		goto err;
		}

		DEBUGFS_ADD(clear_fw_stats, stats);

		DEBUGFS_FWSTATS_ADD(debug, debug1);
		DEBUGFS_FWSTATS_ADD(debug, debug2);
		DEBUGFS_FWSTATS_ADD(debug, debug3);