mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-18 14:59:42 +02:00
45016a01bd
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20849 3c298f89-4303-0410-b956-a3cf2f4a3e73
131 lines
3.8 KiB
Diff
131 lines
3.8 KiB
Diff
--- a/drivers/net/wireless/ath/ath9k/debug.c
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+++ b/drivers/net/wireless/ath/ath9k/debug.c
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@@ -78,6 +78,90 @@ static const struct file_operations fops
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#define DMA_BUF_LEN 1024
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+static ssize_t read_file_tx_chainmask(struct file *file, char __user *user_buf,
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+ size_t count, loff_t *ppos)
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+{
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+ struct ath_softc *sc = file->private_data;
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+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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+ char buf[32];
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+ unsigned int len;
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+
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+ len = snprintf(buf, sizeof(buf), "0x%08x\n", common->tx_chainmask);
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+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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+}
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+
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+static ssize_t write_file_tx_chainmask(struct file *file, const char __user *user_buf,
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+ size_t count, loff_t *ppos)
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+{
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+ struct ath_softc *sc = file->private_data;
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+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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+ unsigned long mask;
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+ char buf[32];
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+ ssize_t len;
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+
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+ len = min(count, sizeof(buf) - 1);
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+ if (copy_from_user(buf, user_buf, len))
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+ return -EINVAL;
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+
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+ buf[len] = '\0';
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+ if (strict_strtoul(buf, 0, &mask))
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+ return -EINVAL;
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+
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+ common->tx_chainmask = mask;
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+ sc->sc_ah->caps.tx_chainmask = mask;
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+ return count;
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+}
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+
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+static const struct file_operations fops_tx_chainmask = {
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+ .read = read_file_tx_chainmask,
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+ .write = write_file_tx_chainmask,
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+ .open = ath9k_debugfs_open,
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+ .owner = THIS_MODULE
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+};
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+
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+
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+static ssize_t read_file_rx_chainmask(struct file *file, char __user *user_buf,
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+ size_t count, loff_t *ppos)
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+{
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+ struct ath_softc *sc = file->private_data;
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+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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+ char buf[32];
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+ unsigned int len;
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+
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+ len = snprintf(buf, sizeof(buf), "0x%08x\n", common->rx_chainmask);
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+ return simple_read_from_buffer(user_buf, count, ppos, buf, len);
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+}
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+
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+static ssize_t write_file_rx_chainmask(struct file *file, const char __user *user_buf,
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+ size_t count, loff_t *ppos)
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+{
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+ struct ath_softc *sc = file->private_data;
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+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
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+ unsigned long mask;
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+ char buf[32];
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+ ssize_t len;
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+
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+ len = min(count, sizeof(buf) - 1);
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+ if (copy_from_user(buf, user_buf, len))
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+ return -EINVAL;
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+
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+ buf[len] = '\0';
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+ if (strict_strtoul(buf, 0, &mask))
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+ return -EINVAL;
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+
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+ common->rx_chainmask = mask;
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+ sc->sc_ah->caps.rx_chainmask = mask;
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+ return count;
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+}
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+
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+static const struct file_operations fops_rx_chainmask = {
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+ .read = read_file_rx_chainmask,
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+ .write = write_file_rx_chainmask,
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+ .open = ath9k_debugfs_open,
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+ .owner = THIS_MODULE
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+};
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+
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+
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static ssize_t read_file_dma(struct file *file, char __user *user_buf,
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size_t count, loff_t *ppos)
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{
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@@ -731,6 +815,16 @@ int ath9k_init_debug(struct ath_hw *ah)
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goto err;
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#endif
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+ sc->debug.debugfs_rx_chainmask = debugfs_create_file("rx_chainmask",
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+ S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_rx_chainmask);
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+ if (!sc->debug.debugfs_rx_chainmask)
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+ goto err;
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+
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+ sc->debug.debugfs_tx_chainmask = debugfs_create_file("tx_chainmask",
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+ S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_tx_chainmask);
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+ if (!sc->debug.debugfs_tx_chainmask)
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+ goto err;
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+
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sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUSR,
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sc->debug.debugfs_phy, sc, &fops_dma);
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if (!sc->debug.debugfs_dma)
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@@ -781,6 +875,8 @@ void ath9k_exit_debug(struct ath_hw *ah)
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struct ath_common *common = ath9k_hw_common(ah);
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struct ath_softc *sc = (struct ath_softc *) common->priv;
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+ debugfs_remove(sc->debug.debugfs_tx_chainmask);
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+ debugfs_remove(sc->debug.debugfs_rx_chainmask);
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debugfs_remove(sc->debug.debugfs_recv);
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debugfs_remove(sc->debug.debugfs_xmit);
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debugfs_remove(sc->debug.debugfs_wiphy);
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--- a/drivers/net/wireless/ath/ath9k/debug.h
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+++ b/drivers/net/wireless/ath/ath9k/debug.h
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@@ -152,6 +152,8 @@ struct ath_stats {
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};
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struct ath9k_debug {
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+ struct dentry *debugfs_rx_chainmask;
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+ struct dentry *debugfs_tx_chainmask;
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struct dentry *debugfs_phy;
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struct dentry *debugfs_debug;
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struct dentry *debugfs_dma;
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