Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0209dc11c769f51f037a17a4ea7bed43eaee998c
Commit: 0209dc11c769f51f037a17a4ea7bed43eaee998c
Parent: 98d7e09af513da19389128f23d49893b11de81fa
Author: Zhu Yi <[EMAIL PROTECTED]>
AuthorDate: Thu Sep 27 11:27:43 2007 +0800
Committer: David S. Miller <[EMAIL PROTECTED]>
CommitDate: Wed Oct 10 16:53:27 2007 -0700
[PATCH] iwlwifi: add debugfs rate scale stats
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 <[EMAIL PROTECTED]>
Signed-off-by: Zhu Yi <[EMAIL PROTECTED]>
Signed-off-by: John W. Linville <[EMAIL PROTECTED]>
---
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
-
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