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path: root/drivers/net/wireless/ath9k/debug.c
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Diffstat (limited to 'drivers/net/wireless/ath9k/debug.c')
-rw-r--r--drivers/net/wireless/ath9k/debug.c417
1 files changed, 357 insertions, 60 deletions
diff --git a/drivers/net/wireless/ath9k/debug.c b/drivers/net/wireless/ath9k/debug.c
index a80ed576830f..fdf9528fa49b 100644
--- a/drivers/net/wireless/ath9k/debug.c
+++ b/drivers/net/wireless/ath9k/debug.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -14,19 +14,21 @@
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#include "core.h"
-#include "reg.h"
-#include "hw.h"
+#include <asm/unaligned.h>
+
+#include "ath9k.h"
static unsigned int ath9k_debug = DBG_DEFAULT;
module_param_named(debug, ath9k_debug, uint, 0);
+static struct dentry *ath9k_debugfs_root;
+
void DPRINTF(struct ath_softc *sc, int dbg_mask, const char *fmt, ...)
{
if (!sc)
return;
- if (sc->sc_debug.debug_mask & dbg_mask) {
+ if (sc->debug.debug_mask & dbg_mask) {
va_list args;
va_start(args, fmt);
@@ -46,7 +48,7 @@ static ssize_t read_file_dma(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct ath_softc *sc = file->private_data;
- struct ath_hal *ah = sc->sc_ah;
+ struct ath_hw *ah = sc->sc_ah;
char buf[1024];
unsigned int len = 0;
u32 val[ATH9K_NUM_DMA_DEBUG_REGS];
@@ -132,41 +134,41 @@ static const struct file_operations fops_dma = {
void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status)
{
if (status)
- sc->sc_debug.stats.istats.total++;
+ sc->debug.stats.istats.total++;
if (status & ATH9K_INT_RX)
- sc->sc_debug.stats.istats.rxok++;
+ sc->debug.stats.istats.rxok++;
if (status & ATH9K_INT_RXEOL)
- sc->sc_debug.stats.istats.rxeol++;
+ sc->debug.stats.istats.rxeol++;
if (status & ATH9K_INT_RXORN)
- sc->sc_debug.stats.istats.rxorn++;
+ sc->debug.stats.istats.rxorn++;
if (status & ATH9K_INT_TX)
- sc->sc_debug.stats.istats.txok++;
+ sc->debug.stats.istats.txok++;
if (status & ATH9K_INT_TXURN)
- sc->sc_debug.stats.istats.txurn++;
+ sc->debug.stats.istats.txurn++;
if (status & ATH9K_INT_MIB)
- sc->sc_debug.stats.istats.mib++;
+ sc->debug.stats.istats.mib++;
if (status & ATH9K_INT_RXPHY)
- sc->sc_debug.stats.istats.rxphyerr++;
+ sc->debug.stats.istats.rxphyerr++;
if (status & ATH9K_INT_RXKCM)
- sc->sc_debug.stats.istats.rx_keycache_miss++;
+ sc->debug.stats.istats.rx_keycache_miss++;
if (status & ATH9K_INT_SWBA)
- sc->sc_debug.stats.istats.swba++;
+ sc->debug.stats.istats.swba++;
if (status & ATH9K_INT_BMISS)
- sc->sc_debug.stats.istats.bmiss++;
+ sc->debug.stats.istats.bmiss++;
if (status & ATH9K_INT_BNR)
- sc->sc_debug.stats.istats.bnr++;
+ sc->debug.stats.istats.bnr++;
if (status & ATH9K_INT_CST)
- sc->sc_debug.stats.istats.cst++;
+ sc->debug.stats.istats.cst++;
if (status & ATH9K_INT_GTT)
- sc->sc_debug.stats.istats.gtt++;
+ sc->debug.stats.istats.gtt++;
if (status & ATH9K_INT_TIM)
- sc->sc_debug.stats.istats.tim++;
+ sc->debug.stats.istats.tim++;
if (status & ATH9K_INT_CABEND)
- sc->sc_debug.stats.istats.cabend++;
+ sc->debug.stats.istats.cabend++;
if (status & ATH9K_INT_DTIMSYNC)
- sc->sc_debug.stats.istats.dtimsync++;
+ sc->debug.stats.istats.dtimsync++;
if (status & ATH9K_INT_DTIM)
- sc->sc_debug.stats.istats.dtim++;
+ sc->debug.stats.istats.dtim++;
}
static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
@@ -177,41 +179,41 @@ static ssize_t read_file_interrupt(struct file *file, char __user *user_buf,
unsigned int len = 0;
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "RX", sc->sc_debug.stats.istats.rxok);
+ "%8s: %10u\n", "RX", sc->debug.stats.istats.rxok);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "RXEOL", sc->sc_debug.stats.istats.rxeol);
+ "%8s: %10u\n", "RXEOL", sc->debug.stats.istats.rxeol);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "RXORN", sc->sc_debug.stats.istats.rxorn);
+ "%8s: %10u\n", "RXORN", sc->debug.stats.istats.rxorn);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "TX", sc->sc_debug.stats.istats.txok);
+ "%8s: %10u\n", "TX", sc->debug.stats.istats.txok);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "TXURN", sc->sc_debug.stats.istats.txurn);
+ "%8s: %10u\n", "TXURN", sc->debug.stats.istats.txurn);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "MIB", sc->sc_debug.stats.istats.mib);
+ "%8s: %10u\n", "MIB", sc->debug.stats.istats.mib);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "RXPHY", sc->sc_debug.stats.istats.rxphyerr);
+ "%8s: %10u\n", "RXPHY", sc->debug.stats.istats.rxphyerr);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "RXKCM", sc->sc_debug.stats.istats.rx_keycache_miss);
+ "%8s: %10u\n", "RXKCM", sc->debug.stats.istats.rx_keycache_miss);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "SWBA", sc->sc_debug.stats.istats.swba);
+ "%8s: %10u\n", "SWBA", sc->debug.stats.istats.swba);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "BMISS", sc->sc_debug.stats.istats.bmiss);
+ "%8s: %10u\n", "BMISS", sc->debug.stats.istats.bmiss);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "BNR", sc->sc_debug.stats.istats.bnr);
+ "%8s: %10u\n", "BNR", sc->debug.stats.istats.bnr);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "CST", sc->sc_debug.stats.istats.cst);
+ "%8s: %10u\n", "CST", sc->debug.stats.istats.cst);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "GTT", sc->sc_debug.stats.istats.gtt);
+ "%8s: %10u\n", "GTT", sc->debug.stats.istats.gtt);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "TIM", sc->sc_debug.stats.istats.tim);
+ "%8s: %10u\n", "TIM", sc->debug.stats.istats.tim);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "CABEND", sc->sc_debug.stats.istats.cabend);
+ "%8s: %10u\n", "CABEND", sc->debug.stats.istats.cabend);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "DTIMSYNC", sc->sc_debug.stats.istats.dtimsync);
+ "%8s: %10u\n", "DTIMSYNC", sc->debug.stats.istats.dtimsync);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "DTIM", sc->sc_debug.stats.istats.dtim);
+ "%8s: %10u\n", "DTIM", sc->debug.stats.istats.dtim);
len += snprintf(buf + len, sizeof(buf) - len,
- "%8s: %10u\n", "TOTAL", sc->sc_debug.stats.istats.total);
+ "%8s: %10u\n", "TOTAL", sc->debug.stats.istats.total);
return simple_read_from_buffer(user_buf, count, ppos, buf, len);
}
@@ -222,29 +224,308 @@ static const struct file_operations fops_interrupt = {
.owner = THIS_MODULE
};
-int ath9k_init_debug(struct ath_softc *sc)
+static void ath_debug_stat_11n_rc(struct ath_softc *sc, struct sk_buff *skb)
{
- sc->sc_debug.debug_mask = ath9k_debug;
+ 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;
- sc->sc_debug.debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
- if (!sc->sc_debug.debugfs_root)
- goto err;
+ 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)
+{
+ 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 = 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);
+}
+
+/* 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;
+
+ sc->debug.stats.n_rcstats[idx].xretries += xretries;
+ sc->debug.stats.n_rcstats[idx].retries += retries;
+ sc->debug.stats.n_rcstats[idx].per = per;
+ }
+}
+
+static ssize_t ath_read_file_stat_11n_rc(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;
+ int i = 0;
+
+ 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);
+}
+
+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;
+
+ len += sprintf(buf, "%7s %13s\n\n", "Rate", "Success");
- sc->sc_debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
- sc->sc_debug.debugfs_root);
- if (!sc->sc_debug.debugfs_phy)
+ 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);
+ }
+
+ 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);
+}
+
+static const struct file_operations fops_rcstat = {
+ .read = read_file_rcstat,
+ .open = ath9k_debugfs_open,
+ .owner = THIS_MODULE
+};
+
+static const char * ath_wiphy_state_str(enum ath_wiphy_state state)
+{
+ switch (state) {
+ case ATH_WIPHY_INACTIVE:
+ return "INACTIVE";
+ case ATH_WIPHY_ACTIVE:
+ return "ACTIVE";
+ case ATH_WIPHY_PAUSING:
+ return "PAUSING";
+ case ATH_WIPHY_PAUSED:
+ return "PAUSED";
+ case ATH_WIPHY_SCAN:
+ return "SCAN";
+ }
+ return "?";
+}
+
+static ssize_t read_file_wiphy(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;
+ u8 addr[ETH_ALEN];
+
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "primary: %s (%s chan=%d ht=%d)\n",
+ wiphy_name(sc->pri_wiphy->hw->wiphy),
+ ath_wiphy_state_str(sc->pri_wiphy->state),
+ sc->pri_wiphy->chan_idx, sc->pri_wiphy->chan_is_ht);
+ for (i = 0; i < sc->num_sec_wiphy; i++) {
+ struct ath_wiphy *aphy = sc->sec_wiphy[i];
+ if (aphy == NULL)
+ continue;
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "secondary: %s (%s chan=%d ht=%d)\n",
+ wiphy_name(aphy->hw->wiphy),
+ ath_wiphy_state_str(aphy->state),
+ aphy->chan_idx, aphy->chan_is_ht);
+ }
+
+ put_unaligned_le32(REG_READ(sc->sc_ah, AR_STA_ID0), addr);
+ put_unaligned_le16(REG_READ(sc->sc_ah, AR_STA_ID1) & 0xffff, addr + 4);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "addr: %pM\n", addr);
+ put_unaligned_le32(REG_READ(sc->sc_ah, AR_BSSMSKL), addr);
+ put_unaligned_le16(REG_READ(sc->sc_ah, AR_BSSMSKU) & 0xffff, addr + 4);
+ len += snprintf(buf + len, sizeof(buf) - len,
+ "addrmask: %pM\n", addr);
+
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static struct ath_wiphy * get_wiphy(struct ath_softc *sc, const char *name)
+{
+ int i;
+ if (strcmp(name, wiphy_name(sc->pri_wiphy->hw->wiphy)) == 0)
+ return sc->pri_wiphy;
+ for (i = 0; i < sc->num_sec_wiphy; i++) {
+ struct ath_wiphy *aphy = sc->sec_wiphy[i];
+ if (aphy && strcmp(name, wiphy_name(aphy->hw->wiphy)) == 0)
+ return aphy;
+ }
+ return NULL;
+}
+
+static int del_wiphy(struct ath_softc *sc, const char *name)
+{
+ struct ath_wiphy *aphy = get_wiphy(sc, name);
+ if (!aphy)
+ return -ENOENT;
+ return ath9k_wiphy_del(aphy);
+}
+
+static int pause_wiphy(struct ath_softc *sc, const char *name)
+{
+ struct ath_wiphy *aphy = get_wiphy(sc, name);
+ if (!aphy)
+ return -ENOENT;
+ return ath9k_wiphy_pause(aphy);
+}
+
+static int unpause_wiphy(struct ath_softc *sc, const char *name)
+{
+ struct ath_wiphy *aphy = get_wiphy(sc, name);
+ if (!aphy)
+ return -ENOENT;
+ return ath9k_wiphy_unpause(aphy);
+}
+
+static int select_wiphy(struct ath_softc *sc, const char *name)
+{
+ struct ath_wiphy *aphy = get_wiphy(sc, name);
+ if (!aphy)
+ return -ENOENT;
+ return ath9k_wiphy_select(aphy);
+}
+
+static int schedule_wiphy(struct ath_softc *sc, const char *msec)
+{
+ ath9k_wiphy_set_scheduler(sc, simple_strtoul(msec, NULL, 0));
+ return 0;
+}
+
+static ssize_t write_file_wiphy(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ char buf[50];
+ size_t len;
+
+ len = min(count, sizeof(buf) - 1);
+ if (copy_from_user(buf, user_buf, len))
+ return -EFAULT;
+ buf[len] = '\0';
+ if (len > 0 && buf[len - 1] == '\n')
+ buf[len - 1] = '\0';
+
+ if (strncmp(buf, "add", 3) == 0) {
+ int res = ath9k_wiphy_add(sc);
+ if (res < 0)
+ return res;
+ } else if (strncmp(buf, "del=", 4) == 0) {
+ int res = del_wiphy(sc, buf + 4);
+ if (res < 0)
+ return res;
+ } else if (strncmp(buf, "pause=", 6) == 0) {
+ int res = pause_wiphy(sc, buf + 6);
+ if (res < 0)
+ return res;
+ } else if (strncmp(buf, "unpause=", 8) == 0) {
+ int res = unpause_wiphy(sc, buf + 8);
+ if (res < 0)
+ return res;
+ } else if (strncmp(buf, "select=", 7) == 0) {
+ int res = select_wiphy(sc, buf + 7);
+ if (res < 0)
+ return res;
+ } else if (strncmp(buf, "schedule=", 9) == 0) {
+ int res = schedule_wiphy(sc, buf + 9);
+ if (res < 0)
+ return res;
+ } else
+ return -EOPNOTSUPP;
+
+ return count;
+}
+
+static const struct file_operations fops_wiphy = {
+ .read = read_file_wiphy,
+ .write = write_file_wiphy,
+ .open = ath9k_debugfs_open,
+ .owner = THIS_MODULE
+};
+
+
+int ath9k_init_debug(struct ath_softc *sc)
+{
+ sc->debug.debug_mask = ath9k_debug;
+
+ sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
+ ath9k_debugfs_root);
+ if (!sc->debug.debugfs_phy)
goto err;
- sc->sc_debug.debugfs_dma = debugfs_create_file("dma", S_IRUGO,
- sc->sc_debug.debugfs_phy, sc, &fops_dma);
- if (!sc->sc_debug.debugfs_dma)
+ sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUGO,
+ sc->debug.debugfs_phy, sc, &fops_dma);
+ if (!sc->debug.debugfs_dma)
goto err;
- sc->sc_debug.debugfs_interrupt = debugfs_create_file("interrupt",
+ sc->debug.debugfs_interrupt = debugfs_create_file("interrupt",
S_IRUGO,
- sc->sc_debug.debugfs_phy,
+ sc->debug.debugfs_phy,
sc, &fops_interrupt);
- if (!sc->sc_debug.debugfs_interrupt)
+ if (!sc->debug.debugfs_interrupt)
+ goto err;
+
+ sc->debug.debugfs_rcstat = debugfs_create_file("rcstat",
+ S_IRUGO,
+ sc->debug.debugfs_phy,
+ sc, &fops_rcstat);
+ if (!sc->debug.debugfs_rcstat)
+ goto err;
+
+ sc->debug.debugfs_wiphy = debugfs_create_file(
+ "wiphy", S_IRUGO | S_IWUSR, sc->debug.debugfs_phy, sc,
+ &fops_wiphy);
+ if (!sc->debug.debugfs_wiphy)
goto err;
return 0;
@@ -255,8 +536,24 @@ err:
void ath9k_exit_debug(struct ath_softc *sc)
{
- debugfs_remove(sc->sc_debug.debugfs_interrupt);
- debugfs_remove(sc->sc_debug.debugfs_dma);
- debugfs_remove(sc->sc_debug.debugfs_phy);
- debugfs_remove(sc->sc_debug.debugfs_root);
+ debugfs_remove(sc->debug.debugfs_wiphy);
+ debugfs_remove(sc->debug.debugfs_rcstat);
+ debugfs_remove(sc->debug.debugfs_interrupt);
+ debugfs_remove(sc->debug.debugfs_dma);
+ debugfs_remove(sc->debug.debugfs_phy);
+}
+
+int ath9k_debug_create_root(void)
+{
+ ath9k_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
+ if (!ath9k_debugfs_root)
+ return -ENOENT;
+
+ return 0;
+}
+
+void ath9k_debug_remove_root(void)
+{
+ debugfs_remove(ath9k_debugfs_root);
+ ath9k_debugfs_root = NULL;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.