From: Zhu Yi <yi.zhu@intel.com>
To: linville@tuxdriver.com
Cc: linux-wireless@vger.kernel.org, Zhu Yi <yi.zhu@intel.com>,
Tomas Winkler <tomas.winkler@intel.com>
Subject: [PATCH] iwlwifi: add debugfs rate scale stats
Date: Thu, 27 Sep 2007 11:27:43 +0800 [thread overview]
Message-ID: <11908636833477-git-send-email-yi.zhu@intel.com> (raw)
In-Reply-To: <11908636823439-git-send-email-yi.zhu@intel.com>
This patch adds rates scale statistics to debugfs:
$ cat /sys/kernel/debug/ieee80211/phy<X>/stations/<mac>/rate_stats_table
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
---
drivers/net/wireless/iwlwifi/iwl-4965-rs.c | 40 +++++++++++++++++++++++++++-
1 files changed, 39 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
index e5f8cce..287c757 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
@@ -124,6 +124,7 @@ struct iwl_rate_scale_priv {
struct iwl_scale_tbl_info lq_info[LQ_SIZE];
#ifdef CONFIG_MAC80211_DEBUGFS
struct dentry *rs_sta_dbgfs_scale_table_file;
+ struct dentry *rs_sta_dbgfs_stats_table_file;
struct iwl_rate dbg_fixed;
struct iwl_priv *drv;
#endif
@@ -2068,6 +2069,7 @@ static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file,
return count;
}
+
static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
char __user *user_buf, size_t count, loff_t *ppos)
{
@@ -2116,20 +2118,56 @@ static const struct file_operations rs_sta_dbgfs_scale_table_ops = {
.read = rs_sta_dbgfs_scale_table_read,
.open = open_file_generic,
};
+static ssize_t rs_sta_dbgfs_stats_table_read(struct file *file,
+ char __user *user_buf, size_t count, loff_t *ppos)
+{
+ char buff[1024];
+ int desc = 0;
+ int i, j;
+
+ struct iwl_rate_scale_priv *rs_priv = file->private_data;
+ for (i = 0; i < LQ_SIZE; i++) {
+ desc += sprintf(buff+desc, "%s type=%d SGI=%d FAT=%d DUP=%d\n"
+ "rate=0x%X\n",
+ rs_priv->active_tbl == i?"*":"x",
+ rs_priv->lq_info[i].lq_type,
+ rs_priv->lq_info[i].is_SGI,
+ rs_priv->lq_info[i].is_fat,
+ rs_priv->lq_info[i].is_dup,
+ rs_priv->lq_info[i].current_rate.rate_n_flags);
+ for (j = 0; j < IWL_RATE_COUNT; j++) {
+ desc += sprintf(buff+desc,
+ "counter=%d success=%d %%=%d\n",
+ rs_priv->lq_info[i].win[j].counter,
+ rs_priv->lq_info[i].win[j].success_counter,
+ rs_priv->lq_info[i].win[j].success_ratio);
+ }
+ }
+ return simple_read_from_buffer(user_buf, count, ppos, buff, desc);
+}
+
+static const struct file_operations rs_sta_dbgfs_stats_table_ops = {
+ .read = rs_sta_dbgfs_stats_table_read,
+ .open = open_file_generic,
+};
static void rs_add_debugfs(void *priv, void *priv_sta,
struct dentry *dir)
{
struct iwl_rate_scale_priv *rs_priv = priv_sta;
rs_priv->rs_sta_dbgfs_scale_table_file =
- debugfs_create_file("rate_scale_table", 0444, dir,
+ debugfs_create_file("rate_scale_table", 0600, dir,
rs_priv, &rs_sta_dbgfs_scale_table_ops);
+ rs_priv->rs_sta_dbgfs_stats_table_file =
+ debugfs_create_file("rate_stats_table", 0600, dir,
+ rs_priv, &rs_sta_dbgfs_stats_table_ops);
}
static void rs_remove_debugfs(void *priv, void *priv_sta)
{
struct iwl_rate_scale_priv *rs_priv = priv_sta;
debugfs_remove(rs_priv->rs_sta_dbgfs_scale_table_file);
+ debugfs_remove(rs_priv->rs_sta_dbgfs_stats_table_file);
}
#endif
--
1.5.1
next prev parent reply other threads:[~2007-09-27 3:35 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <11908636643693-git-send-email-yi.zhu@intel.com>
2007-09-27 3:27 ` [PATCH] iwlwifi: replacing IPW with IWL in error messages Zhu Yi
2007-09-27 3:27 ` [PATCH] iwlwifi: workaournd REPLY_COMPRESSED_BA command in iwl_rx_handle Zhu Yi
2007-09-27 3:27 ` [PATCH] iwlwifi: Correction for sending beacon in config_ap Zhu Yi
2007-09-27 3:27 ` [PATCH] iwlwifi: clear station table in rxon unconditionally Zhu Yi
2007-09-27 3:27 ` [PATCH] iwlwifi: Fix typo in rate sacling algorithm Zhu Yi
2007-09-27 3:27 ` [PATCH] iwlwifi: fix add_station to avoid FW error Zhu Yi
2007-09-27 3:27 ` [PATCH] iwlwifi: removing unnecessary memset in 4965 rate scale Zhu Yi
2007-09-27 3:27 ` [PATCH] iwlwifi: add debugfs framework to " Zhu Yi
2007-09-27 3:27 ` [PATCH] iwlwifi: add read rate scale table debugfs function Zhu Yi
2007-09-27 3:27 ` [PATCH] iwlwifi: limit printouts on hot path Zhu Yi
2007-09-27 3:27 ` [PATCH] iwlwifi: add supp_rates to rate scale sta private data Zhu Yi
2007-09-27 3:27 ` [PATCH] iwlwifi: rs_rate_scale_perform clean up Zhu Yi
2007-09-27 3:27 ` [PATCH] iwlwifi: set fixed rate through debugfs Zhu Yi
2007-09-27 3:27 ` Zhu Yi [this message]
2007-09-27 3:27 ` [PATCH] iwlwifi: Update iwlwifi version stamp to 1.1.17 Zhu Yi
2007-09-27 4:35 ` [PATCH] iwlwifi: set fixed rate through debugfs Randy Dunlap
2007-09-27 4:43 ` Zhu Yi
2007-09-27 14:26 ` Randy Dunlap
2007-09-28 7:44 ` Tomas Winkler
2007-09-27 4:32 ` [PATCH] iwlwifi: replacing IPW with IWL in error messages Randy Dunlap
2007-09-27 4:42 ` Zhu Yi
2007-09-27 20:41 ` iwlwifi driver updates John W. Linville
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