From: Marcel Holtmann Date: Sat, 31 Jan 2015 23:12:06 +0000 (-0800) Subject: Bluetooth: Expose debug keys usage setting via debugfs X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0886aea6acd27006888c36bad1fa5f80dac1e171;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git Bluetooth: Expose debug keys usage setting via debugfs To allow easier debugging when debug keys are generated, provide debugfs entry for checking the setting of debug keys usage. Signed-off-by: Marcel Holtmann Signed-off-by: Johan Hedberg --- diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c index 51a424cfa94a..2272384755d5 100644 --- a/net/bluetooth/hci_debugfs.c +++ b/net/bluetooth/hci_debugfs.c @@ -212,6 +212,24 @@ static int conn_info_max_age_get(void *data, u64 *val) DEFINE_SIMPLE_ATTRIBUTE(conn_info_max_age_fops, conn_info_max_age_get, conn_info_max_age_set, "%llu\n"); +static ssize_t use_debug_keys_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(HCI_USE_DEBUG_KEYS, &hdev->dev_flags) ? 'Y': 'N'; + buf[1] = '\n'; + buf[2] = '\0'; + return simple_read_from_buffer(user_buf, count, ppos, buf, 2); +} + +static const struct file_operations use_debug_keys_fops = { + .open = simple_open, + .read = use_debug_keys_read, + .llseek = default_llseek, +}; + static ssize_t sc_only_mode_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -249,6 +267,10 @@ void hci_debugfs_create_common(struct hci_dev *hdev) debugfs_create_file("conn_info_max_age", 0644, hdev->debugfs, hdev, &conn_info_max_age_fops); + if (lmp_ssp_capable(hdev) || lmp_le_capable(hdev)) + debugfs_create_file("use_debug_keys", 0444, hdev->debugfs, + hdev, &use_debug_keys_fops); + if (lmp_sc_capable(hdev) || lmp_le_capable(hdev)) debugfs_create_file("sc_only_mode", 0444, hdev->debugfs, hdev, &sc_only_mode_fops);