From 6e07231a80de33a3721c971e560316d04db16de8 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Sat, 31 Jan 2015 15:07:51 -0800 Subject: [PATCH] Bluetooth: Expose Secure Simple Pairing debug mode setting in debugfs The value of the ssp_debug_mode should be accessible via debugfs to be able to determine if a BR/EDR controller generates debugs keys or not. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- net/bluetooth/hci_debugfs.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c index ead89a5ad9ce..51a424cfa94a 100644 --- a/net/bluetooth/hci_debugfs.c +++ b/net/bluetooth/hci_debugfs.c @@ -354,6 +354,24 @@ static int voice_setting_get(void *data, u64 *val) DEFINE_SIMPLE_ATTRIBUTE(voice_setting_fops, voice_setting_get, NULL, "0x%4.4llx\n"); +static ssize_t ssp_debug_mode_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] = hdev->ssp_debug_mode ? 'Y': 'N'; + buf[1] = '\n'; + buf[2] = '\0'; + return simple_read_from_buffer(user_buf, count, ppos, buf, 2); +} + +static const struct file_operations ssp_debug_mode_fops = { + .open = simple_open, + .read = ssp_debug_mode_read, + .llseek = default_llseek, +}; + static int auto_accept_delay_set(void *data, u64 val) { struct hci_dev *hdev = data; @@ -474,9 +492,12 @@ void hci_debugfs_create_bredr(struct hci_dev *hdev) debugfs_create_file("voice_setting", 0444, hdev->debugfs, hdev, &voice_setting_fops); - if (lmp_ssp_capable(hdev)) + if (lmp_ssp_capable(hdev)) { + debugfs_create_file("ssp_debug_mode", 0444, hdev->debugfs, + hdev, &ssp_debug_mode_fops); debugfs_create_file("auto_accept_delay", 0644, hdev->debugfs, hdev, &auto_accept_delay_fops); + } if (lmp_sniff_capable(hdev)) { debugfs_create_file("idle_timeout", 0644, hdev->debugfs,