mac80211: Generic TSF debugging
This patch enables low-level driver independent debugging of the TSF and remove the driver specific things of ath5k and ath9k from the debugfs.
Signed-off-by: Alina Friedrichsen <x-alina@gmx.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index fa39f21..b3f41ac 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -239,6 +239,7 @@
static int ath5k_get_tx_stats(struct ieee80211_hw *hw,
struct ieee80211_tx_queue_stats *stats);
static u64 ath5k_get_tsf(struct ieee80211_hw *hw);
+static void ath5k_set_tsf(struct ieee80211_hw *hw, u64 tsf);
static void ath5k_reset_tsf(struct ieee80211_hw *hw);
static int ath5k_beacon_update(struct ath5k_softc *sc,
struct sk_buff *skb);
@@ -261,6 +262,7 @@
.conf_tx = NULL,
.get_tx_stats = ath5k_get_tx_stats,
.get_tsf = ath5k_get_tsf,
+ .set_tsf = ath5k_set_tsf,
.reset_tsf = ath5k_reset_tsf,
.bss_info_changed = ath5k_bss_info_changed,
};
@@ -3111,6 +3113,14 @@
}
static void
+ath5k_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+{
+ struct ath5k_softc *sc = hw->priv;
+
+ ath5k_hw_set_tsf64(sc->ah, tsf);
+}
+
+static void
ath5k_reset_tsf(struct ieee80211_hw *hw)
{
struct ath5k_softc *sc = hw->priv;
diff --git a/drivers/net/wireless/ath5k/debug.c b/drivers/net/wireless/ath5k/debug.c
index 129b726..413ed68 100644
--- a/drivers/net/wireless/ath5k/debug.c
+++ b/drivers/net/wireless/ath5k/debug.c
@@ -193,50 +193,6 @@
};
-/* debugfs: TSF */
-
-static ssize_t read_file_tsf(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ath5k_softc *sc = file->private_data;
- char buf[100];
- snprintf(buf, sizeof(buf), "0x%016llx\n",
- (unsigned long long)ath5k_hw_get_tsf64(sc->ah));
- return simple_read_from_buffer(user_buf, count, ppos, buf, 19);
-}
-
-static ssize_t write_file_tsf(struct file *file,
- const char __user *userbuf,
- size_t count, loff_t *ppos)
-{
- struct ath5k_softc *sc = file->private_data;
- char buf[21];
- unsigned long long tsf;
-
- if (copy_from_user(buf, userbuf, min(count, sizeof(buf) - 1)))
- return -EFAULT;
- buf[sizeof(buf) - 1] = '\0';
-
- if (strncmp(buf, "reset", 5) == 0) {
- ath5k_hw_reset_tsf(sc->ah);
- printk(KERN_INFO "debugfs reset TSF\n");
- } else {
- tsf = simple_strtoul(buf, NULL, 0);
- ath5k_hw_set_tsf64(sc->ah, tsf);
- printk(KERN_INFO "debugfs set TSF to %#018llx\n", tsf);
- }
-
- return count;
-}
-
-static const struct file_operations fops_tsf = {
- .read = read_file_tsf,
- .write = write_file_tsf,
- .open = ath5k_debugfs_open,
- .owner = THIS_MODULE,
-};
-
-
/* debugfs: beacons */
static ssize_t read_file_beacon(struct file *file, char __user *user_buf,
@@ -430,9 +386,6 @@
sc->debug.debugfs_registers = debugfs_create_file("registers", S_IRUGO,
sc->debug.debugfs_phydir, sc, &fops_registers);
- sc->debug.debugfs_tsf = debugfs_create_file("tsf", S_IWUSR | S_IRUGO,
- sc->debug.debugfs_phydir, sc, &fops_tsf);
-
sc->debug.debugfs_beacon = debugfs_create_file("beacon", S_IWUSR | S_IRUGO,
sc->debug.debugfs_phydir, sc, &fops_beacon);
@@ -451,7 +404,6 @@
{
debugfs_remove(sc->debug.debugfs_debug);
debugfs_remove(sc->debug.debugfs_registers);
- debugfs_remove(sc->debug.debugfs_tsf);
debugfs_remove(sc->debug.debugfs_beacon);
debugfs_remove(sc->debug.debugfs_reset);
debugfs_remove(sc->debug.debugfs_phydir);
diff --git a/drivers/net/wireless/ath5k/debug.h b/drivers/net/wireless/ath5k/debug.h
index ffc5293..66f69f0 100644
--- a/drivers/net/wireless/ath5k/debug.h
+++ b/drivers/net/wireless/ath5k/debug.h
@@ -72,7 +72,6 @@
struct dentry *debugfs_phydir;
struct dentry *debugfs_debug;
struct dentry *debugfs_registers;
- struct dentry *debugfs_tsf;
struct dentry *debugfs_beacon;
struct dentry *debugfs_reset;
};
diff --git a/drivers/net/wireless/ath9k/core.h b/drivers/net/wireless/ath9k/core.h
index acbd888..29251f8 100644
--- a/drivers/net/wireless/ath9k/core.h
+++ b/drivers/net/wireless/ath9k/core.h
@@ -141,7 +141,6 @@
struct dentry *debugfs_phy;
struct dentry *debugfs_dma;
struct dentry *debugfs_interrupt;
- struct dentry *debugfs_tsf;
struct ath_stats stats;
};
diff --git a/drivers/net/wireless/ath9k/debug.c b/drivers/net/wireless/ath9k/debug.c
index 05e1f82..1680164 100644
--- a/drivers/net/wireless/ath9k/debug.c
+++ b/drivers/net/wireless/ath9k/debug.c
@@ -223,48 +223,6 @@
};
-static ssize_t read_file_tsf(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ath_softc *sc = file->private_data;
- char buf[100];
- snprintf(buf, sizeof(buf), "0x%016llx\n",
- (unsigned long long)ath9k_hw_gettsf64(sc->sc_ah));
- return simple_read_from_buffer(user_buf, count, ppos, buf, 19);
-}
-
-static ssize_t write_file_tsf(struct file *file,
- const char __user *user_buf,
- size_t count, loff_t *ppos)
-{
- struct ath_softc *sc = file->private_data;
- char buf[21];
- unsigned long long tsf;
-
- if (copy_from_user(buf, user_buf, min(count, sizeof(buf) - 1)))
- return -EFAULT;
- buf[sizeof(buf) - 1] = '\0';
-
- if (strncmp(buf, "reset", 5) == 0) {
- ath9k_hw_reset_tsf(sc->sc_ah);
- printk(KERN_INFO "debugfs reset TSF\n");
- } else {
- tsf = simple_strtoul(buf, NULL, 0);
- ath9k_hw_settsf64(sc->sc_ah, tsf);
- printk(KERN_INFO "debugfs set TSF to %#018llx\n", tsf);
- }
-
- return count;
-}
-
-static const struct file_operations fops_tsf = {
- .read = read_file_tsf,
- .write = write_file_tsf,
- .open = ath9k_debugfs_open,
- .owner = THIS_MODULE
-};
-
-
int ath9k_init_debug(struct ath_softc *sc)
{
sc->sc_debug.debug_mask = ath9k_debug;
@@ -290,11 +248,6 @@
if (!sc->sc_debug.debugfs_interrupt)
goto err;
- sc->sc_debug.debugfs_tsf = debugfs_create_file("tsf", S_IRUGO,
- sc->sc_debug.debugfs_phy, sc, &fops_tsf);
- if (!sc->sc_debug.debugfs_tsf)
- goto err;
-
return 0;
err:
ath9k_exit_debug(sc);
@@ -303,7 +256,6 @@
void ath9k_exit_debug(struct ath_softc *sc)
{
- debugfs_remove(sc->sc_debug.debugfs_tsf);
debugfs_remove(sc->sc_debug.debugfs_interrupt);
debugfs_remove(sc->sc_debug.debugfs_dma);
debugfs_remove(sc->sc_debug.debugfs_phy);
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 15a7f90..90e687b 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -2451,6 +2451,14 @@
return tsf;
}
+static void ath9k_set_tsf(struct ieee80211_hw *hw, u64 tsf)
+{
+ struct ath_softc *sc = hw->priv;
+ struct ath_hal *ah = sc->sc_ah;
+
+ ath9k_hw_settsf64(ah, tsf);
+}
+
static void ath9k_reset_tsf(struct ieee80211_hw *hw)
{
struct ath_softc *sc = hw->priv;
@@ -2514,6 +2522,7 @@
.bss_info_changed = ath9k_bss_info_changed,
.set_key = ath9k_set_key,
.get_tsf = ath9k_get_tsf,
+ .set_tsf = ath9k_set_tsf,
.reset_tsf = ath9k_reset_tsf,
.ampdu_action = ath9k_ampdu_action,
};