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Commit ffb7d896 authored by Wey-Yi Guy's avatar Wey-Yi Guy
Browse files

iwlagn: add bluetooth stats to debugfs 



For WiFi/BT combo devices, add bluetooth statistics counter
read function to debugfs.

Signed-off-by: default avatarWey-Yi Guy <wey-yi.w.guy@intel.com>
parent 7980fba5

drivers/net/wireless/iwlwifi/iwl-1000.c

+1 −0
Original line number Diff line number Diff line
@@ -222,6 +222,7 @@ static struct iwl_lib_ops iwl1000_lib = { 
		.rx_stats_read = iwl_ucode_rx_stats_read,

		.tx_stats_read = iwl_ucode_tx_stats_read,

		.general_stats_read = iwl_ucode_general_stats_read,

		.bt_stats_read = iwl_ucode_bt_stats_read,

	},

	.recover_from_tx_stall = iwl_bg_monitor_recover,

	.check_plcp_health = iwl_good_plcp_health,

drivers/net/wireless/iwlwifi/iwl-4965.c

+1 −0
Original line number Diff line number Diff line
@@ -2285,6 +2285,7 @@ static struct iwl_lib_ops iwl4965_lib = { 
		.rx_stats_read = iwl_ucode_rx_stats_read,

		.tx_stats_read = iwl_ucode_tx_stats_read,

		.general_stats_read = iwl_ucode_general_stats_read,

		.bt_stats_read = iwl_ucode_bt_stats_read,

	},

	.recover_from_tx_stall = iwl_bg_monitor_recover,

	.check_plcp_health = iwl_good_plcp_health,

drivers/net/wireless/iwlwifi/iwl-5000.c

+1 −0
Original line number Diff line number Diff line
@@ -398,6 +398,7 @@ static struct iwl_lib_ops iwl5000_lib = { 
		.rx_stats_read = iwl_ucode_rx_stats_read,

		.tx_stats_read = iwl_ucode_tx_stats_read,

		.general_stats_read = iwl_ucode_general_stats_read,

		.bt_stats_read = iwl_ucode_bt_stats_read,

	},

	.recover_from_tx_stall = iwl_bg_monitor_recover,

	.check_plcp_health = iwl_good_plcp_health,

drivers/net/wireless/iwlwifi/iwl-6000.c

+1 −0
Original line number Diff line number Diff line
@@ -323,6 +323,7 @@ static struct iwl_lib_ops iwl6000_lib = { 
		.rx_stats_read = iwl_ucode_rx_stats_read,

		.tx_stats_read = iwl_ucode_tx_stats_read,

		.general_stats_read = iwl_ucode_general_stats_read,

		.bt_stats_read = iwl_ucode_bt_stats_read,

	},

	.recover_from_tx_stall = iwl_bg_monitor_recover,

	.check_plcp_health = iwl_good_plcp_health,

drivers/net/wireless/iwlwifi/iwl-agn-debugfs.c

+87 −0
Original line number Diff line number Diff line
@@ -924,3 +924,90 @@ ssize_t iwl_ucode_general_stats_read(struct file *file, char __user *user_buf, 
	kfree(buf);

	return ret;

}



ssize_t iwl_ucode_bt_stats_read(struct file *file,

				char __user *user_buf,

				size_t count, loff_t *ppos)

{

	struct iwl_priv *priv = (struct iwl_priv *)file->private_data;

	int pos = 0;

	char *buf;

	int bufsz = (sizeof(struct statistics_bt_activity) * 24) + 200;

	ssize_t ret;

	struct statistics_bt_activity *bt, *accum_bt;



	if (!iwl_is_alive(priv))

		return -EAGAIN;



	/* make request to uCode to retrieve statistics information */

	mutex_lock(&priv->mutex);

	ret = iwl_send_statistics_request(priv, CMD_SYNC, false);

	mutex_unlock(&priv->mutex);



	if (ret) {

		IWL_ERR(priv,

			"Error sending statistics request: %zd\n", ret);

		return -EAGAIN;

	}

	buf = kzalloc(bufsz, GFP_KERNEL);

	if (!buf) {

		IWL_ERR(priv, "Can not allocate Buffer\n");

		return -ENOMEM;

	}



	/*

	 * the statistic information display here is based on

	 * the last statistics notification from uCode

	 * might not reflect the current uCode activity

	 */

	bt = &priv->_agn.statistics_bt.general.activity;

	accum_bt = &priv->_agn.accum_statistics_bt.general.activity;



	pos += iwl_statistics_flag(priv, buf, bufsz);

	pos += scnprintf(buf + pos, bufsz - pos, "Statistics_BT:\n");

	pos += scnprintf(buf + pos, bufsz - pos,

			"\t\t\tcurrent\t\t\taccumulative\n");

	pos += scnprintf(buf + pos, bufsz - pos,

			 "hi_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",

			 le32_to_cpu(bt->hi_priority_tx_req_cnt),

			 accum_bt->hi_priority_tx_req_cnt);

	pos += scnprintf(buf + pos, bufsz - pos,

			 "hi_priority_tx_denied_cnt:\t%u\t\t\t%u\n",

			 le32_to_cpu(bt->hi_priority_tx_denied_cnt),

			 accum_bt->hi_priority_tx_denied_cnt);

	pos += scnprintf(buf + pos, bufsz - pos,

			 "lo_priority_tx_req_cnt:\t\t%u\t\t\t%u\n",

			 le32_to_cpu(bt->lo_priority_tx_req_cnt),

			 accum_bt->lo_priority_tx_req_cnt);

	pos += scnprintf(buf + pos, bufsz - pos,

			 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",

			 le32_to_cpu(bt->lo_priority_tx_denied_cnt),

			 accum_bt->lo_priority_tx_denied_cnt);

	pos += scnprintf(buf + pos, bufsz - pos,

			 "hi_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",

			 le32_to_cpu(bt->hi_priority_rx_req_cnt),

			 accum_bt->hi_priority_rx_req_cnt);

	pos += scnprintf(buf + pos, bufsz - pos,

			 "hi_priority_rx_denied_cnt:\t%u\t\t\t%u\n",

			 le32_to_cpu(bt->hi_priority_rx_denied_cnt),

			 accum_bt->hi_priority_rx_denied_cnt);

	pos += scnprintf(buf + pos, bufsz - pos,

			 "lo_priority_rx_req_cnt:\t\t%u\t\t\t%u\n",

			 le32_to_cpu(bt->lo_priority_rx_req_cnt),

			 accum_bt->lo_priority_rx_req_cnt);

	pos += scnprintf(buf + pos, bufsz - pos,

			 "lo_priority_rx_denied_cnt:\t%u\t\t\t%u\n",

			 le32_to_cpu(bt->lo_priority_rx_denied_cnt),

			 accum_bt->lo_priority_rx_denied_cnt);



	pos += scnprintf(buf + pos, bufsz - pos,

			 "(rx)num_bt_kills:\t\t%u\t\t\t%u\n",

			 le32_to_cpu(priv->_agn.statistics_bt.rx.

				general.num_bt_kills),

			 priv->_agn.accum_statistics_bt.rx.

				general.num_bt_kills);



	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);

	kfree(buf);

	return ret;

}