1 files changed, 60 insertions, 0 deletions

diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
index 0818fabf346a..e6255833a258 100644
--- a/net/bluetooth/hci_debugfs.c
+++ b/net/bluetooth/hci_debugfs.c
@@ -28,6 +28,54 @@
 
 #include "hci_debugfs.h"
 
+#define DEFINE_QUIRK_ATTRIBUTE(__name, __quirk)                               \
+static ssize_t __name ## _read(struct file *file,                             \
+                                char __user *user_buf,                        \
+                                size_t count, loff_t *ppos)                   \
+{                                                                             \
+        struct hci_dev *hdev = file->private_data;                            \
+        char buf[3];                                                          \
+                                                                              \
+        buf[0] = test_bit(__quirk, &hdev->quirks) ? 'Y' : 'N';                \
+        buf[1] = '\n';                                                        \
+        buf[2] = '\0';                                                        \
+        return simple_read_from_buffer(user_buf, count, ppos, buf, 2);        \
+}                                                                             \
+                                                                              \
+static ssize_t __name ## _write(struct file *file,                            \
+                                 const char __user *user_buf,                 \
+                                 size_t count, loff_t *ppos)                  \
+{                                                                             \
+        struct hci_dev *hdev = file->private_data;                            \
+        char buf[32];                                                         \
+        size_t buf_size = min(count, (sizeof(buf) - 1));                      \
+        bool enable;                                                          \
+                                                                              \
+        if (test_bit(HCI_UP, &hdev->flags))                                   \
+                return -EBUSY;                                                \
+                                                                              \
+        if (copy_from_user(buf, user_buf, buf_size))                          \
+                return -EFAULT;                                               \
+                                                                              \
+        buf[buf_size] = '\0';                                                 \
+        if (strtobool(buf, &enable))                                          \
+                return -EINVAL;                                               \
+                                                                              \
+        if (enable == test_bit(__quirk, &hdev->quirks))                       \
+                return -EALREADY;                                             \
+                                                                              \
+        change_bit(__quirk, &hdev->quirks);                                   \
+                                                                              \
+        return count;                                                         \
+}                                                                             \
+                                                                              \
+static const struct file_operations __name ## _fops = {                       \
+        .open           = simple_open,                                        \
+        .read           = __name ## _read,                                    \
+        .write          = __name ## _write,                                   \
+        .llseek         = default_llseek,                                     \
+}                                                                             \
+
 static int features_show(struct seq_file *f, void *ptr)
 {
         struct hci_dev *hdev = f->private;
@@ -997,6 +1045,11 @@ static int adv_max_interval_get(void *data, u64 *val)
 DEFINE_SIMPLE_ATTRIBUTE(adv_max_interval_fops, adv_max_interval_get,
                         adv_max_interval_set, "%llu\n");
 
+DEFINE_QUIRK_ATTRIBUTE(quirk_strict_duplicate_filter,
+                       HCI_QUIRK_STRICT_DUPLICATE_FILTER);
+DEFINE_QUIRK_ATTRIBUTE(quirk_simultaneous_discovery,
+                       HCI_QUIRK_SIMULTANEOUS_DISCOVERY);
+
 void hci_debugfs_create_le(struct hci_dev *hdev)
 {
         debugfs_create_file("identity", 0400, hdev->debugfs, hdev,
@@ -1041,6 +1094,13 @@ void hci_debugfs_create_le(struct hci_dev *hdev)
                             &adv_max_interval_fops);
         debugfs_create_u16("discov_interleaved_timeout", 0644, hdev->debugfs,
                            &hdev->discov_interleaved_timeout);
+
+        debugfs_create_file("quirk_strict_duplicate_filter", 0644,
+                            hdev->debugfs, hdev,
+                            &quirk_strict_duplicate_filter_fops);
+        debugfs_create_file("quirk_simultaneous_discovery", 0644,
+                            hdev->debugfs, hdev,
+                            &quirk_simultaneous_discovery_fops);
 }
 
 void hci_debugfs_create_conn(struct hci_conn *conn)