ath5k: Add bssid mask and rxfilter to debugfs.

Helps with debugging virtual interfaces.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 59 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index 6583a82a0783..0f06e8490314 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -483,6 +483,59 @@ static const struct file_operations fops_antenna = {
         .owner = THIS_MODULE,
 };
 
+/* debugfs: misc */
+
+static ssize_t read_file_misc(struct file *file, char __user *user_buf,
+                                   size_t count, loff_t *ppos)
+{
+        struct ath5k_softc *sc = file->private_data;
+        char buf[700];
+        unsigned int len = 0;
+        u32 filt = ath5k_hw_get_rx_filter(sc->ah);
+
+        len += snprintf(buf+len, sizeof(buf)-len, "bssid-mask: %pM\n",
+                        sc->bssidmask);
+        len += snprintf(buf+len, sizeof(buf)-len, "filter-flags: 0x%x ",
+                        filt);
+        if (filt & AR5K_RX_FILTER_UCAST)
+                len += snprintf(buf+len, sizeof(buf)-len, " UCAST");
+        if (filt & AR5K_RX_FILTER_MCAST)
+                len += snprintf(buf+len, sizeof(buf)-len, " MCAST");
+        if (filt & AR5K_RX_FILTER_BCAST)
+                len += snprintf(buf+len, sizeof(buf)-len, " BCAST");
+        if (filt & AR5K_RX_FILTER_CONTROL)
+                len += snprintf(buf+len, sizeof(buf)-len, " CONTROL");
+        if (filt & AR5K_RX_FILTER_BEACON)
+                len += snprintf(buf+len, sizeof(buf)-len, " BEACON");
+        if (filt & AR5K_RX_FILTER_PROM)
+                len += snprintf(buf+len, sizeof(buf)-len, " PROM");
+        if (filt & AR5K_RX_FILTER_XRPOLL)
+                len += snprintf(buf+len, sizeof(buf)-len, " XRPOLL");
+        if (filt & AR5K_RX_FILTER_PROBEREQ)
+                len += snprintf(buf+len, sizeof(buf)-len, " PROBEREQ");
+        if (filt & AR5K_RX_FILTER_PHYERR_5212)
+                len += snprintf(buf+len, sizeof(buf)-len, " PHYERR-5212");
+        if (filt & AR5K_RX_FILTER_RADARERR_5212)
+                len += snprintf(buf+len, sizeof(buf)-len, " RADARERR-5212");
+        if (filt & AR5K_RX_FILTER_PHYERR_5211)
+                snprintf(buf+len, sizeof(buf)-len, " PHYERR-5211");
+        if (filt & AR5K_RX_FILTER_RADARERR_5211)
+                len += snprintf(buf+len, sizeof(buf)-len, " RADARERR-5211\n");
+        else
+                len += snprintf(buf+len, sizeof(buf)-len, "\n");
+
+        if (len > sizeof(buf))
+                len = sizeof(buf);
+
+        return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_misc = {
+        .read = read_file_misc,
+        .open = ath5k_debugfs_open,
+        .owner = THIS_MODULE,
+};
+
 
 /* debugfs: frameerrors */
 
@@ -856,6 +909,10 @@ ath5k_debug_init_device(struct ath5k_softc *sc)
                                 S_IWUSR | S_IRUSR,
                                 sc->debug.debugfs_phydir, sc, &fops_antenna);
 
+        sc->debug.debugfs_misc = debugfs_create_file("misc",
+                                S_IRUSR,
+                                sc->debug.debugfs_phydir, sc, &fops_misc);
+
         sc->debug.debugfs_frameerrors = debugfs_create_file("frameerrors",
                                 S_IWUSR | S_IRUSR,
                                 sc->debug.debugfs_phydir, sc,
@@ -886,6 +943,7 @@ ath5k_debug_finish_device(struct ath5k_softc *sc)
         debugfs_remove(sc->debug.debugfs_beacon);
         debugfs_remove(sc->debug.debugfs_reset);
         debugfs_remove(sc->debug.debugfs_antenna);
+        debugfs_remove(sc->debug.debugfs_misc);
         debugfs_remove(sc->debug.debugfs_frameerrors);
         debugfs_remove(sc->debug.debugfs_ani);
         debugfs_remove(sc->debug.debugfs_queue);
diff --git a/drivers/net/wireless/ath/ath5k/debug.h b/drivers/net/wireless/ath/ath5k/debug.h
index 9b22722a95f0..4f078b134015 100644
--- a/drivers/net/wireless/ath/ath5k/debug.h
+++ b/drivers/net/wireless/ath/ath5k/debug.h
@@ -75,6 +75,7 @@ struct ath5k_dbg_info {
         struct dentry           *debugfs_beacon;
         struct dentry           *debugfs_reset;
         struct dentry           *debugfs_antenna;
+        struct dentry           *debugfs_misc;
         struct dentry           *debugfs_frameerrors;
         struct dentry           *debugfs_ani;
         struct dentry           *debugfs_queue;