File-copy from v4.4.100
This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Please refer to that tree for all history prior to this point.
Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c
new file mode 100644
index 0000000..7db4220
--- /dev/null
+++ b/net/bluetooth/hci_debugfs.c
@@ -0,0 +1,1142 @@
+/*
+ BlueZ - Bluetooth protocol stack for Linux
+
+ Copyright (C) 2014 Intel Corporation
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License version 2 as
+ published by the Free Software Foundation;
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
+ IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
+ CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
+ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+ ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
+ COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
+ SOFTWARE IS DISCLAIMED.
+*/
+
+#include <linux/debugfs.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#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;
+ u8 p;
+
+ hci_dev_lock(hdev);
+ for (p = 0; p < HCI_MAX_PAGES && p <= hdev->max_page; p++) {
+ seq_printf(f, "%2u: 0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x "
+ "0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x\n", p,
+ hdev->features[p][0], hdev->features[p][1],
+ hdev->features[p][2], hdev->features[p][3],
+ hdev->features[p][4], hdev->features[p][5],
+ hdev->features[p][6], hdev->features[p][7]);
+ }
+ if (lmp_le_capable(hdev))
+ seq_printf(f, "LE: 0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x "
+ "0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x\n",
+ hdev->le_features[0], hdev->le_features[1],
+ hdev->le_features[2], hdev->le_features[3],
+ hdev->le_features[4], hdev->le_features[5],
+ hdev->le_features[6], hdev->le_features[7]);
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int features_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, features_show, inode->i_private);
+}
+
+static const struct file_operations features_fops = {
+ .open = features_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int device_id_show(struct seq_file *f, void *ptr)
+{
+ struct hci_dev *hdev = f->private;
+
+ hci_dev_lock(hdev);
+ seq_printf(f, "%4.4x:%4.4x:%4.4x:%4.4x\n", hdev->devid_source,
+ hdev->devid_vendor, hdev->devid_product, hdev->devid_version);
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int device_id_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, device_id_show, inode->i_private);
+}
+
+static const struct file_operations device_id_fops = {
+ .open = device_id_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int device_list_show(struct seq_file *f, void *ptr)
+{
+ struct hci_dev *hdev = f->private;
+ struct hci_conn_params *p;
+ struct bdaddr_list *b;
+
+ hci_dev_lock(hdev);
+ list_for_each_entry(b, &hdev->whitelist, list)
+ seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type);
+ list_for_each_entry(p, &hdev->le_conn_params, list) {
+ seq_printf(f, "%pMR (type %u) %u\n", &p->addr, p->addr_type,
+ p->auto_connect);
+ }
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int device_list_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, device_list_show, inode->i_private);
+}
+
+static const struct file_operations device_list_fops = {
+ .open = device_list_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int blacklist_show(struct seq_file *f, void *p)
+{
+ struct hci_dev *hdev = f->private;
+ struct bdaddr_list *b;
+
+ hci_dev_lock(hdev);
+ list_for_each_entry(b, &hdev->blacklist, list)
+ seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type);
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int blacklist_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, blacklist_show, inode->i_private);
+}
+
+static const struct file_operations blacklist_fops = {
+ .open = blacklist_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int uuids_show(struct seq_file *f, void *p)
+{
+ struct hci_dev *hdev = f->private;
+ struct bt_uuid *uuid;
+
+ hci_dev_lock(hdev);
+ list_for_each_entry(uuid, &hdev->uuids, list) {
+ u8 i, val[16];
+
+ /* The Bluetooth UUID values are stored in big endian,
+ * but with reversed byte order. So convert them into
+ * the right order for the %pUb modifier.
+ */
+ for (i = 0; i < 16; i++)
+ val[i] = uuid->uuid[15 - i];
+
+ seq_printf(f, "%pUb\n", val);
+ }
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int uuids_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, uuids_show, inode->i_private);
+}
+
+static const struct file_operations uuids_fops = {
+ .open = uuids_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int remote_oob_show(struct seq_file *f, void *ptr)
+{
+ struct hci_dev *hdev = f->private;
+ struct oob_data *data;
+
+ hci_dev_lock(hdev);
+ list_for_each_entry(data, &hdev->remote_oob_data, list) {
+ seq_printf(f, "%pMR (type %u) %u %*phN %*phN %*phN %*phN\n",
+ &data->bdaddr, data->bdaddr_type, data->present,
+ 16, data->hash192, 16, data->rand192,
+ 16, data->hash256, 16, data->rand256);
+ }
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int remote_oob_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, remote_oob_show, inode->i_private);
+}
+
+static const struct file_operations remote_oob_fops = {
+ .open = remote_oob_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int conn_info_min_age_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ if (val == 0 || val > hdev->conn_info_max_age)
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->conn_info_min_age = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int conn_info_min_age_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->conn_info_min_age;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(conn_info_min_age_fops, conn_info_min_age_get,
+ conn_info_min_age_set, "%llu\n");
+
+static int conn_info_max_age_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ if (val == 0 || val < hdev->conn_info_min_age)
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->conn_info_max_age = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int conn_info_max_age_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->conn_info_max_age;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+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] = hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS) ? '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)
+{
+ struct hci_dev *hdev = file->private_data;
+ char buf[3];
+
+ buf[0] = hci_dev_test_flag(hdev, HCI_SC_ONLY) ? 'Y': 'N';
+ buf[1] = '\n';
+ buf[2] = '\0';
+ return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
+}
+
+static const struct file_operations sc_only_mode_fops = {
+ .open = simple_open,
+ .read = sc_only_mode_read,
+ .llseek = default_llseek,
+};
+
+void hci_debugfs_create_common(struct hci_dev *hdev)
+{
+ debugfs_create_file("features", 0444, hdev->debugfs, hdev,
+ &features_fops);
+ debugfs_create_u16("manufacturer", 0444, hdev->debugfs,
+ &hdev->manufacturer);
+ debugfs_create_u8("hci_version", 0444, hdev->debugfs, &hdev->hci_ver);
+ debugfs_create_u16("hci_revision", 0444, hdev->debugfs, &hdev->hci_rev);
+ debugfs_create_u8("hardware_error", 0444, hdev->debugfs,
+ &hdev->hw_error_code);
+ debugfs_create_file("device_id", 0444, hdev->debugfs, hdev,
+ &device_id_fops);
+
+ debugfs_create_file("device_list", 0444, hdev->debugfs, hdev,
+ &device_list_fops);
+ debugfs_create_file("blacklist", 0444, hdev->debugfs, hdev,
+ &blacklist_fops);
+ debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops);
+ debugfs_create_file("remote_oob", 0400, hdev->debugfs, hdev,
+ &remote_oob_fops);
+
+ debugfs_create_file("conn_info_min_age", 0644, hdev->debugfs, hdev,
+ &conn_info_min_age_fops);
+ 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);
+}
+
+static int inquiry_cache_show(struct seq_file *f, void *p)
+{
+ struct hci_dev *hdev = f->private;
+ struct discovery_state *cache = &hdev->discovery;
+ struct inquiry_entry *e;
+
+ hci_dev_lock(hdev);
+
+ list_for_each_entry(e, &cache->all, all) {
+ struct inquiry_data *data = &e->data;
+ seq_printf(f, "%pMR %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n",
+ &data->bdaddr,
+ data->pscan_rep_mode, data->pscan_period_mode,
+ data->pscan_mode, data->dev_class[2],
+ data->dev_class[1], data->dev_class[0],
+ __le16_to_cpu(data->clock_offset),
+ data->rssi, data->ssp_mode, e->timestamp);
+ }
+
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int inquiry_cache_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, inquiry_cache_show, inode->i_private);
+}
+
+static const struct file_operations inquiry_cache_fops = {
+ .open = inquiry_cache_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int link_keys_show(struct seq_file *f, void *ptr)
+{
+ struct hci_dev *hdev = f->private;
+ struct link_key *key;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(key, &hdev->link_keys, list)
+ seq_printf(f, "%pMR %u %*phN %u\n", &key->bdaddr, key->type,
+ HCI_LINK_KEY_SIZE, key->val, key->pin_len);
+ rcu_read_unlock();
+
+ return 0;
+}
+
+static int link_keys_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, link_keys_show, inode->i_private);
+}
+
+static const struct file_operations link_keys_fops = {
+ .open = link_keys_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int dev_class_show(struct seq_file *f, void *ptr)
+{
+ struct hci_dev *hdev = f->private;
+
+ hci_dev_lock(hdev);
+ seq_printf(f, "0x%.2x%.2x%.2x\n", hdev->dev_class[2],
+ hdev->dev_class[1], hdev->dev_class[0]);
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int dev_class_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, dev_class_show, inode->i_private);
+}
+
+static const struct file_operations dev_class_fops = {
+ .open = dev_class_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int voice_setting_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->voice_setting;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+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;
+
+ hci_dev_lock(hdev);
+ hdev->auto_accept_delay = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int auto_accept_delay_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->auto_accept_delay;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(auto_accept_delay_fops, auto_accept_delay_get,
+ auto_accept_delay_set, "%llu\n");
+
+static int idle_timeout_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ if (val != 0 && (val < 500 || val > 3600000))
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->idle_timeout = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int idle_timeout_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->idle_timeout;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(idle_timeout_fops, idle_timeout_get,
+ idle_timeout_set, "%llu\n");
+
+static int sniff_min_interval_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ if (val == 0 || val % 2 || val > hdev->sniff_max_interval)
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->sniff_min_interval = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int sniff_min_interval_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->sniff_min_interval;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(sniff_min_interval_fops, sniff_min_interval_get,
+ sniff_min_interval_set, "%llu\n");
+
+static int sniff_max_interval_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ if (val == 0 || val % 2 || val < hdev->sniff_min_interval)
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->sniff_max_interval = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int sniff_max_interval_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->sniff_max_interval;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(sniff_max_interval_fops, sniff_max_interval_get,
+ sniff_max_interval_set, "%llu\n");
+
+void hci_debugfs_create_bredr(struct hci_dev *hdev)
+{
+ debugfs_create_file("inquiry_cache", 0444, hdev->debugfs, hdev,
+ &inquiry_cache_fops);
+ debugfs_create_file("link_keys", 0400, hdev->debugfs, hdev,
+ &link_keys_fops);
+ debugfs_create_file("dev_class", 0444, hdev->debugfs, hdev,
+ &dev_class_fops);
+ debugfs_create_file("voice_setting", 0444, hdev->debugfs, hdev,
+ &voice_setting_fops);
+
+ 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,
+ hdev, &idle_timeout_fops);
+ debugfs_create_file("sniff_min_interval", 0644, hdev->debugfs,
+ hdev, &sniff_min_interval_fops);
+ debugfs_create_file("sniff_max_interval", 0644, hdev->debugfs,
+ hdev, &sniff_max_interval_fops);
+ }
+}
+
+static int identity_show(struct seq_file *f, void *p)
+{
+ struct hci_dev *hdev = f->private;
+ bdaddr_t addr;
+ u8 addr_type;
+
+ hci_dev_lock(hdev);
+
+ hci_copy_identity_address(hdev, &addr, &addr_type);
+
+ seq_printf(f, "%pMR (type %u) %*phN %pMR\n", &addr, addr_type,
+ 16, hdev->irk, &hdev->rpa);
+
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int identity_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, identity_show, inode->i_private);
+}
+
+static const struct file_operations identity_fops = {
+ .open = identity_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int rpa_timeout_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ /* Require the RPA timeout to be at least 30 seconds and at most
+ * 24 hours.
+ */
+ if (val < 30 || val > (60 * 60 * 24))
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->rpa_timeout = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int rpa_timeout_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->rpa_timeout;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(rpa_timeout_fops, rpa_timeout_get,
+ rpa_timeout_set, "%llu\n");
+
+static int random_address_show(struct seq_file *f, void *p)
+{
+ struct hci_dev *hdev = f->private;
+
+ hci_dev_lock(hdev);
+ seq_printf(f, "%pMR\n", &hdev->random_addr);
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int random_address_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, random_address_show, inode->i_private);
+}
+
+static const struct file_operations random_address_fops = {
+ .open = random_address_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int static_address_show(struct seq_file *f, void *p)
+{
+ struct hci_dev *hdev = f->private;
+
+ hci_dev_lock(hdev);
+ seq_printf(f, "%pMR\n", &hdev->static_addr);
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int static_address_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, static_address_show, inode->i_private);
+}
+
+static const struct file_operations static_address_fops = {
+ .open = static_address_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static ssize_t force_static_address_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] = hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ? 'Y': 'N';
+ buf[1] = '\n';
+ buf[2] = '\0';
+ return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
+}
+
+static ssize_t force_static_address_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 == hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR))
+ return -EALREADY;
+
+ hci_dev_change_flag(hdev, HCI_FORCE_STATIC_ADDR);
+
+ return count;
+}
+
+static const struct file_operations force_static_address_fops = {
+ .open = simple_open,
+ .read = force_static_address_read,
+ .write = force_static_address_write,
+ .llseek = default_llseek,
+};
+
+static int white_list_show(struct seq_file *f, void *ptr)
+{
+ struct hci_dev *hdev = f->private;
+ struct bdaddr_list *b;
+
+ hci_dev_lock(hdev);
+ list_for_each_entry(b, &hdev->le_white_list, list)
+ seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type);
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int white_list_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, white_list_show, inode->i_private);
+}
+
+static const struct file_operations white_list_fops = {
+ .open = white_list_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int identity_resolving_keys_show(struct seq_file *f, void *ptr)
+{
+ struct hci_dev *hdev = f->private;
+ struct smp_irk *irk;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(irk, &hdev->identity_resolving_keys, list) {
+ seq_printf(f, "%pMR (type %u) %*phN %pMR\n",
+ &irk->bdaddr, irk->addr_type,
+ 16, irk->val, &irk->rpa);
+ }
+ rcu_read_unlock();
+
+ return 0;
+}
+
+static int identity_resolving_keys_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, identity_resolving_keys_show,
+ inode->i_private);
+}
+
+static const struct file_operations identity_resolving_keys_fops = {
+ .open = identity_resolving_keys_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int long_term_keys_show(struct seq_file *f, void *ptr)
+{
+ struct hci_dev *hdev = f->private;
+ struct smp_ltk *ltk;
+
+ rcu_read_lock();
+ list_for_each_entry_rcu(ltk, &hdev->long_term_keys, list)
+ seq_printf(f, "%pMR (type %u) %u 0x%02x %u %.4x %.16llx %*phN\n",
+ <k->bdaddr, ltk->bdaddr_type, ltk->authenticated,
+ ltk->type, ltk->enc_size, __le16_to_cpu(ltk->ediv),
+ __le64_to_cpu(ltk->rand), 16, ltk->val);
+ rcu_read_unlock();
+
+ return 0;
+}
+
+static int long_term_keys_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, long_term_keys_show, inode->i_private);
+}
+
+static const struct file_operations long_term_keys_fops = {
+ .open = long_term_keys_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int conn_min_interval_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ if (val < 0x0006 || val > 0x0c80 || val > hdev->le_conn_max_interval)
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->le_conn_min_interval = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int conn_min_interval_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->le_conn_min_interval;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(conn_min_interval_fops, conn_min_interval_get,
+ conn_min_interval_set, "%llu\n");
+
+static int conn_max_interval_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ if (val < 0x0006 || val > 0x0c80 || val < hdev->le_conn_min_interval)
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->le_conn_max_interval = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int conn_max_interval_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->le_conn_max_interval;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(conn_max_interval_fops, conn_max_interval_get,
+ conn_max_interval_set, "%llu\n");
+
+static int conn_latency_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ if (val > 0x01f3)
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->le_conn_latency = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int conn_latency_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->le_conn_latency;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(conn_latency_fops, conn_latency_get,
+ conn_latency_set, "%llu\n");
+
+static int supervision_timeout_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ if (val < 0x000a || val > 0x0c80)
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->le_supv_timeout = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int supervision_timeout_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->le_supv_timeout;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(supervision_timeout_fops, supervision_timeout_get,
+ supervision_timeout_set, "%llu\n");
+
+static int adv_channel_map_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ if (val < 0x01 || val > 0x07)
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->le_adv_channel_map = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int adv_channel_map_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->le_adv_channel_map;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(adv_channel_map_fops, adv_channel_map_get,
+ adv_channel_map_set, "%llu\n");
+
+static int adv_min_interval_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ if (val < 0x0020 || val > 0x4000 || val > hdev->le_adv_max_interval)
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->le_adv_min_interval = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int adv_min_interval_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->le_adv_min_interval;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+DEFINE_SIMPLE_ATTRIBUTE(adv_min_interval_fops, adv_min_interval_get,
+ adv_min_interval_set, "%llu\n");
+
+static int adv_max_interval_set(void *data, u64 val)
+{
+ struct hci_dev *hdev = data;
+
+ if (val < 0x0020 || val > 0x4000 || val < hdev->le_adv_min_interval)
+ return -EINVAL;
+
+ hci_dev_lock(hdev);
+ hdev->le_adv_max_interval = val;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+static int adv_max_interval_get(void *data, u64 *val)
+{
+ struct hci_dev *hdev = data;
+
+ hci_dev_lock(hdev);
+ *val = hdev->le_adv_max_interval;
+ hci_dev_unlock(hdev);
+
+ return 0;
+}
+
+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,
+ &identity_fops);
+ debugfs_create_file("rpa_timeout", 0644, hdev->debugfs, hdev,
+ &rpa_timeout_fops);
+ debugfs_create_file("random_address", 0444, hdev->debugfs, hdev,
+ &random_address_fops);
+ debugfs_create_file("static_address", 0444, hdev->debugfs, hdev,
+ &static_address_fops);
+
+ /* For controllers with a public address, provide a debug
+ * option to force the usage of the configured static
+ * address. By default the public address is used.
+ */
+ if (bacmp(&hdev->bdaddr, BDADDR_ANY))
+ debugfs_create_file("force_static_address", 0644,
+ hdev->debugfs, hdev,
+ &force_static_address_fops);
+
+ debugfs_create_u8("white_list_size", 0444, hdev->debugfs,
+ &hdev->le_white_list_size);
+ debugfs_create_file("white_list", 0444, hdev->debugfs, hdev,
+ &white_list_fops);
+ debugfs_create_file("identity_resolving_keys", 0400, hdev->debugfs,
+ hdev, &identity_resolving_keys_fops);
+ debugfs_create_file("long_term_keys", 0400, hdev->debugfs, hdev,
+ &long_term_keys_fops);
+ debugfs_create_file("conn_min_interval", 0644, hdev->debugfs, hdev,
+ &conn_min_interval_fops);
+ debugfs_create_file("conn_max_interval", 0644, hdev->debugfs, hdev,
+ &conn_max_interval_fops);
+ debugfs_create_file("conn_latency", 0644, hdev->debugfs, hdev,
+ &conn_latency_fops);
+ debugfs_create_file("supervision_timeout", 0644, hdev->debugfs, hdev,
+ &supervision_timeout_fops);
+ debugfs_create_file("adv_channel_map", 0644, hdev->debugfs, hdev,
+ &adv_channel_map_fops);
+ debugfs_create_file("adv_min_interval", 0644, hdev->debugfs, hdev,
+ &adv_min_interval_fops);
+ debugfs_create_file("adv_max_interval", 0644, hdev->debugfs, 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)
+{
+ struct hci_dev *hdev = conn->hdev;
+ char name[6];
+
+ if (IS_ERR_OR_NULL(hdev->debugfs))
+ return;
+
+ snprintf(name, sizeof(name), "%u", conn->handle);
+ conn->debugfs = debugfs_create_dir(name, hdev->debugfs);
+}