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path: root/drivers/net/wireless/ath/ath9k/debug.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/debug.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.c155
1 files changed, 77 insertions, 78 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 97df20cbf52..6d20725d645 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -44,6 +44,44 @@ static int ath9k_debugfs_open(struct inode *inode, struct file *file)
return 0;
}
+static ssize_t read_file_debug(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ char buf[32];
+ unsigned int len;
+
+ len = snprintf(buf, sizeof(buf), "0x%08x\n", sc->debug.debug_mask);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_debug(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ unsigned long mask;
+ char buf[32];
+ ssize_t len;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EINVAL;
+
+ buf[len] = '\0';
+ if (strict_strtoul(buf, 0, &mask))
+ return -EINVAL;
+
+ sc->debug.debug_mask = mask;
+ return count;
+}
+
+static const struct file_operations fops_debug = {
+ .read = read_file_debug,
+ .write = write_file_debug,
+ .open = ath9k_debugfs_open,
+ .owner = THIS_MODULE
+};
+
static ssize_t read_file_dma(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
@@ -224,111 +262,66 @@ static const struct file_operations fops_interrupt = {
.owner = THIS_MODULE
};
-static void ath_debug_stat_11n_rc(struct ath_softc *sc, struct sk_buff *skb)
-{
- struct ath_tx_info_priv *tx_info_priv = NULL;
- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- struct ieee80211_tx_rate *rates = tx_info->status.rates;
- int final_ts_idx, idx;
-
- tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
- final_ts_idx = tx_info_priv->tx.ts_rateindex;
- idx = sc->cur_rate_table->info[rates[final_ts_idx].idx].dot11rate;
-
- sc->debug.stats.n_rcstats[idx].success++;
-}
-
-static void ath_debug_stat_legacy_rc(struct ath_softc *sc, struct sk_buff *skb)
+void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
{
struct ath_tx_info_priv *tx_info_priv = NULL;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_tx_rate *rates = tx_info->status.rates;
int final_ts_idx, idx;
+ struct ath_rc_stats *stats;
tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
final_ts_idx = tx_info_priv->tx.ts_rateindex;
idx = rates[final_ts_idx].idx;
-
- sc->debug.stats.legacy_rcstats[idx].success++;
-}
-
-void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
-{
- if (conf_is_ht(&sc->hw->conf))
- ath_debug_stat_11n_rc(sc, skb);
- else
- ath_debug_stat_legacy_rc(sc, skb);
+ stats = &sc->debug.stats.rcstats[idx];
+ stats->success++;
}
-/* FIXME: legacy rates, later on .. */
void ath_debug_stat_retries(struct ath_softc *sc, int rix,
int xretries, int retries, u8 per)
{
- if (conf_is_ht(&sc->hw->conf)) {
- int idx = sc->cur_rate_table->info[rix].dot11rate;
+ struct ath_rc_stats *stats = &sc->debug.stats.rcstats[rix];
- sc->debug.stats.n_rcstats[idx].xretries += xretries;
- sc->debug.stats.n_rcstats[idx].retries += retries;
- sc->debug.stats.n_rcstats[idx].per = per;
- }
+ stats->xretries += xretries;
+ stats->retries += retries;
+ stats->per = per;
}
-static ssize_t ath_read_file_stat_11n_rc(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
+static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
- char buf[1024];
- unsigned int len = 0;
+ char *buf;
+ unsigned int len = 0, max;
int i = 0;
+ ssize_t retval;
- len += sprintf(buf, "%7s %13s %8s %8s %6s\n\n", "Rate", "Success",
- "Retries", "XRetries", "PER");
-
- for (i = 0; i <= 15; i++) {
- len += snprintf(buf + len, sizeof(buf) - len,
- "%5s%3d: %8u %8u %8u %8u\n", "MCS", i,
- sc->debug.stats.n_rcstats[i].success,
- sc->debug.stats.n_rcstats[i].retries,
- sc->debug.stats.n_rcstats[i].xretries,
- sc->debug.stats.n_rcstats[i].per);
- }
-
- return simple_read_from_buffer(user_buf, count, ppos, buf, len);
-}
+ if (sc->cur_rate_table == NULL)
+ return 0;
-static ssize_t ath_read_file_stat_legacy_rc(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ath_softc *sc = file->private_data;
- char buf[512];
- unsigned int len = 0;
- int i = 0;
+ max = 80 + sc->cur_rate_table->rate_cnt * 64;
+ buf = kmalloc(max + 1, GFP_KERNEL);
+ if (buf == NULL)
+ return 0;
+ buf[max] = 0;
- len += sprintf(buf, "%7s %13s\n\n", "Rate", "Success");
+ len += sprintf(buf, "%5s %15s %8s %9s %3s\n\n", "Rate", "Success",
+ "Retries", "XRetries", "PER");
for (i = 0; i < sc->cur_rate_table->rate_cnt; i++) {
- len += snprintf(buf + len, sizeof(buf) - len, "%5u: %12u\n",
- sc->cur_rate_table->info[i].ratekbps / 1000,
- sc->debug.stats.legacy_rcstats[i].success);
+ u32 ratekbps = sc->cur_rate_table->info[i].ratekbps;
+ struct ath_rc_stats *stats = &sc->debug.stats.rcstats[i];
+
+ len += snprintf(buf + len, max - len,
+ "%3u.%d: %8u %8u %8u %8u\n", ratekbps / 1000,
+ (ratekbps % 1000) / 100, stats->success,
+ stats->retries, stats->xretries,
+ stats->per);
}
- return simple_read_from_buffer(user_buf, count, ppos, buf, len);
-}
-
-static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ath_softc *sc = file->private_data;
-
- if (sc->cur_rate_table == NULL)
- return 0;
-
- if (conf_is_ht(&sc->hw->conf))
- return ath_read_file_stat_11n_rc(file, user_buf, count, ppos);
- else
- return ath_read_file_stat_legacy_rc(file, user_buf, count ,ppos);
+ retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+ kfree(buf);
+ return retval;
}
static const struct file_operations fops_rcstat = {
@@ -506,6 +499,11 @@ int ath9k_init_debug(struct ath_softc *sc)
if (!sc->debug.debugfs_phy)
goto err;
+ sc->debug.debugfs_debug = debugfs_create_file("debug",
+ S_IRUGO | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_debug);
+ if (!sc->debug.debugfs_debug)
+ goto err;
+
sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUGO,
sc->debug.debugfs_phy, sc, &fops_dma);
if (!sc->debug.debugfs_dma)
@@ -543,6 +541,7 @@ void ath9k_exit_debug(struct ath_softc *sc)
debugfs_remove(sc->debug.debugfs_rcstat);
debugfs_remove(sc->debug.debugfs_interrupt);
debugfs_remove(sc->debug.debugfs_dma);
+ debugfs_remove(sc->debug.debugfs_debug);
debugfs_remove(sc->debug.debugfs_phy);
}