mirror of https://github.com/hak5/openwrt.git
131 lines
3.8 KiB
Diff
131 lines
3.8 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/debug.c
|
|
+++ b/drivers/net/wireless/ath/ath9k/debug.c
|
|
@@ -75,6 +75,90 @@ static const struct file_operations fops
|
|
|
|
#endif
|
|
|
|
+static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
|
|
+ size_t count, loff_t *ppos)
|
|
+{
|
|
+ struct ath_softc *sc = file->private_data;
|
|
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
+ char buf[32];
|
|
+ unsigned int len;
|
|
+
|
|
+ len = snprintf(buf, sizeof(buf), "0x%08x\n", common->tx_chainmask);
|
|
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
+}
|
|
+
|
|
+static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
|
|
+ size_t count, loff_t *ppos)
|
|
+{
|
|
+ struct ath_softc *sc = file->private_data;
|
|
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
+ 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;
|
|
+
|
|
+ common->tx_chainmask = mask;
|
|
+ sc->sc_ah->caps.tx_chainmask = mask;
|
|
+ return count;
|
|
+}
|
|
+
|
|
+static const struct file_operations fops_tx_chainmask = {
|
|
+ .read = read_file_tx_chainmask,
|
|
+ .write = write_file_tx_chainmask,
|
|
+ .open = ath9k_debugfs_open,
|
|
+ .owner = THIS_MODULE
|
|
+};
|
|
+
|
|
+
|
|
+static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
|
|
+ size_t count, loff_t *ppos)
|
|
+{
|
|
+ struct ath_softc *sc = file->private_data;
|
|
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
+ char buf[32];
|
|
+ unsigned int len;
|
|
+
|
|
+ len = snprintf(buf, sizeof(buf), "0x%08x\n", common->rx_chainmask);
|
|
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
|
|
+}
|
|
+
|
|
+static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
|
|
+ size_t count, loff_t *ppos)
|
|
+{
|
|
+ struct ath_softc *sc = file->private_data;
|
|
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
|
+ 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;
|
|
+
|
|
+ common->rx_chainmask = mask;
|
|
+ sc->sc_ah->caps.rx_chainmask = mask;
|
|
+ return count;
|
|
+}
|
|
+
|
|
+static const struct file_operations fops_rx_chainmask = {
|
|
+ .read = read_file_rx_chainmask,
|
|
+ .write = write_file_rx_chainmask,
|
|
+ .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)
|
|
{
|
|
@@ -574,6 +658,16 @@ int ath9k_init_debug(struct ath_hw *ah)
|
|
goto err;
|
|
#endif
|
|
|
|
+ sc->debug.debugfs_rx_chainmask = debugfs_create_file("rx_chainmask",
|
|
+ S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
|
|
+ if (!sc->debug.debugfs_rx_chainmask)
|
|
+ goto err;
|
|
+
|
|
+ sc->debug.debugfs_tx_chainmask = debugfs_create_file("tx_chainmask",
|
|
+ S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
|
|
+ if (!sc->debug.debugfs_tx_chainmask)
|
|
+ goto err;
|
|
+
|
|
sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUSR,
|
|
sc->debug.debugfs_phy, sc, &fops_dma);
|
|
if (!sc->debug.debugfs_dma)
|
|
@@ -617,6 +711,8 @@ void ath9k_exit_debug(struct ath_hw *ah)
|
|
struct ath_common *common = ath9k_hw_common(ah);
|
|
struct ath_softc *sc = (struct ath_softc *) common->priv;
|
|
|
|
+ debugfs_remove(sc->debug.debugfs_tx_chainmask);
|
|
+ debugfs_remove(sc->debug.debugfs_rx_chainmask);
|
|
debugfs_remove(sc->debug.debugfs_xmit);
|
|
debugfs_remove(sc->debug.debugfs_wiphy);
|
|
debugfs_remove(sc->debug.debugfs_rcstat);
|
|
--- a/drivers/net/wireless/ath/ath9k/debug.h
|
|
+++ b/drivers/net/wireless/ath/ath9k/debug.h
|
|
@@ -123,6 +123,8 @@ struct ath_stats {
|
|
};
|
|
|
|
struct ath9k_debug {
|
|
+ struct dentry *debugfs_rx_chainmask;
|
|
+ struct dentry *debugfs_tx_chainmask;
|
|
struct dentry *debugfs_phy;
|
|
struct dentry *debugfs_debug;
|
|
struct dentry *debugfs_dma;
|