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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.c236
1 files changed, 197 insertions, 39 deletions
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 64e30cd45d0..29898f8d189 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -78,6 +78,90 @@ static const struct file_operations fops_debug = {
#define DMA_BUF_LEN 1024
+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)
{
@@ -711,6 +795,86 @@ static const struct file_operations fops_recv = {
.owner = THIS_MODULE
};
+static ssize_t read_file_regidx(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.regidx);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_regidx(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ unsigned long regidx;
+ 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, &regidx))
+ return -EINVAL;
+
+ sc->debug.regidx = regidx;
+ return count;
+}
+
+static const struct file_operations fops_regidx = {
+ .read = read_file_regidx,
+ .write = write_file_regidx,
+ .open = ath9k_debugfs_open,
+ .owner = THIS_MODULE
+};
+
+static ssize_t read_file_regval(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_hw *ah = sc->sc_ah;
+ char buf[32];
+ unsigned int len;
+ u32 regval;
+
+ regval = REG_READ_D(ah, sc->debug.regidx);
+ len = snprintf(buf, sizeof(buf), "0x%08x\n", regval);
+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static ssize_t write_file_regval(struct file *file, const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct ath_softc *sc = file->private_data;
+ struct ath_hw *ah = sc->sc_ah;
+ unsigned long regval;
+ 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, &regval))
+ return -EINVAL;
+
+ REG_WRITE_D(ah, sc->debug.regidx, regval);
+ return count;
+}
+
+static const struct file_operations fops_regval = {
+ .read = read_file_regval,
+ .write = write_file_regval,
+ .open = ath9k_debugfs_open,
+ .owner = THIS_MODULE
+};
+
int ath9k_init_debug(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
@@ -722,54 +886,55 @@ int ath9k_init_debug(struct ath_hw *ah)
sc->debug.debugfs_phy = debugfs_create_dir(wiphy_name(sc->hw->wiphy),
ath9k_debugfs_root);
if (!sc->debug.debugfs_phy)
- goto err;
+ return -ENOMEM;
#ifdef CONFIG_ATH_DEBUG
- sc->debug.debugfs_debug = debugfs_create_file("debug",
- S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_debug);
- if (!sc->debug.debugfs_debug)
+ if (!debugfs_create_file("debug", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_debug))
goto err;
#endif
- sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUSR,
- sc->debug.debugfs_phy, sc, &fops_dma);
- if (!sc->debug.debugfs_dma)
+ if (!debugfs_create_file("dma", S_IRUSR, sc->debug.debugfs_phy,
+ sc, &fops_dma))
+ goto err;
+
+ if (!debugfs_create_file("interrupt", S_IRUSR, sc->debug.debugfs_phy,
+ sc, &fops_interrupt))
+ goto err;
+
+ if (!debugfs_create_file("rcstat", S_IRUSR, sc->debug.debugfs_phy,
+ sc, &fops_rcstat))
+ goto err;
+
+ if (!debugfs_create_file("wiphy", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_wiphy))
+ goto err;
+
+ if (!debugfs_create_file("xmit", S_IRUSR, sc->debug.debugfs_phy,
+ sc, &fops_xmit))
goto err;
- sc->debug.debugfs_interrupt = debugfs_create_file("interrupt",
- S_IRUSR,
- sc->debug.debugfs_phy,
- sc, &fops_interrupt);
- if (!sc->debug.debugfs_interrupt)
+ if (!debugfs_create_file("recv", S_IRUSR, sc->debug.debugfs_phy,
+ sc, &fops_recv))
goto err;
- sc->debug.debugfs_rcstat = debugfs_create_file("rcstat",
- S_IRUSR,
- sc->debug.debugfs_phy,
- sc, &fops_rcstat);
- if (!sc->debug.debugfs_rcstat)
+ if (!debugfs_create_file("rx_chainmask", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_rx_chainmask))
goto err;
- sc->debug.debugfs_wiphy = debugfs_create_file(
- "wiphy", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc,
- &fops_wiphy);
- if (!sc->debug.debugfs_wiphy)
+ if (!debugfs_create_file("tx_chainmask", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_tx_chainmask))
goto err;
- sc->debug.debugfs_xmit = debugfs_create_file("xmit",
- S_IRUSR,
- sc->debug.debugfs_phy,
- sc, &fops_xmit);
- if (!sc->debug.debugfs_xmit)
+ if (!debugfs_create_file("regidx", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_regidx))
goto err;
- sc->debug.debugfs_recv = debugfs_create_file("recv",
- S_IRUSR,
- sc->debug.debugfs_phy,
- sc, &fops_recv);
- if (!sc->debug.debugfs_recv)
+ if (!debugfs_create_file("regval", S_IRUSR | S_IWUSR,
+ sc->debug.debugfs_phy, sc, &fops_regval))
goto err;
+ sc->debug.regidx = 0;
return 0;
err:
ath9k_exit_debug(ah);
@@ -781,14 +946,7 @@ 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_recv);
- debugfs_remove(sc->debug.debugfs_xmit);
- 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_debug);
- debugfs_remove(sc->debug.debugfs_phy);
+ debugfs_remove_recursive(sc->debug.debugfs_phy);
}
int ath9k_debug_create_root(void)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-07 06:38:14 +0000