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Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

This commit is contained in:
John W. Linville 2013-11-05 15:50:22 -05:00
parent b476d3f143 d78a32a8fc
commit 33b443422e
18 changed files with 1507 additions and 974 deletions
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1
include/net/bluetooth/bluetooth.h
View File

@ -282,6 +282,7 @@ struct bt_skb_cb {
__u8 incoming;
__u16 expect;
__u8 force_active;
struct l2cap_chan *chan;
struct l2cap_ctrl control;
struct hci_req_ctrl req;
bdaddr_t bdaddr;

35
include/net/bluetooth/hci.h
View File

@ -115,6 +115,7 @@ enum {
HCI_PAIRABLE,
HCI_SERVICE_CACHE,
HCI_DEBUG_KEYS,
HCI_DUT_MODE,
HCI_UNREGISTER,
HCI_USER_CHANNEL,
@ -125,6 +126,7 @@ enum {
HCI_ADVERTISING,
HCI_CONNECTABLE,
HCI_DISCOVERABLE,
HCI_LIMITED_DISCOVERABLE,
HCI_LINK_SECURITY,
HCI_PERIODIC_INQ,
HCI_FAST_CONNECTABLE,
@ -823,6 +825,12 @@ struct hci_rp_read_num_supported_iac {
#define HCI_OP_READ_CURRENT_IAC_LAP 0x0c39
#define HCI_OP_WRITE_CURRENT_IAC_LAP 0x0c3a
struct hci_cp_write_current_iac_lap {
__u8 num_iac;
__u8 iac_lap[6];
} __packed;
#define HCI_OP_WRITE_INQUIRY_MODE 0x0c45
#define HCI_MAX_EIR_LENGTH 240
@ -1036,6 +1044,10 @@ struct hci_rp_write_remote_amp_assoc {
__u8 phy_handle;
} __packed;
#define HCI_OP_ENABLE_DUT_MODE 0x1803
#define HCI_OP_WRITE_SSP_DEBUG_MODE 0x1804
#define HCI_OP_LE_SET_EVENT_MASK 0x2001
struct hci_cp_le_set_event_mask {
__u8 mask[8];
@ -1056,11 +1068,6 @@ struct hci_rp_le_read_local_features {
#define HCI_OP_LE_SET_RANDOM_ADDR 0x2005
#define LE_ADV_IND 0x00
#define LE_ADV_DIRECT_IND 0x01
#define LE_ADV_SCAN_IND 0x02
#define LE_ADV_NONCONN_IND 0x03
#define HCI_OP_LE_SET_ADV_PARAM 0x2006
struct hci_cp_le_set_adv_param {
__le16 min_interval;
@ -1087,6 +1094,12 @@ struct hci_cp_le_set_adv_data {
__u8 data[HCI_MAX_AD_LENGTH];
} __packed;
#define HCI_OP_LE_SET_SCAN_RSP_DATA 0x2009
struct hci_cp_le_set_scan_rsp_data {
__u8 length;
__u8 data[HCI_MAX_AD_LENGTH];
} __packed;
#define HCI_OP_LE_SET_ADV_ENABLE 0x200a
#define LE_SCAN_PASSIVE 0x00
@ -1567,11 +1580,11 @@ struct hci_ev_le_ltk_req {
} __packed;
/* Advertising report event types */
#define ADV_IND 0x00
#define ADV_DIRECT_IND 0x01
#define ADV_SCAN_IND 0x02
#define ADV_NONCONN_IND 0x03
#define ADV_SCAN_RSP 0x04
#define LE_ADV_IND 0x00
#define LE_ADV_DIRECT_IND 0x01
#define LE_ADV_SCAN_IND 0x02
#define LE_ADV_NONCONN_IND 0x03
#define LE_ADV_SCAN_RSP 0x04
#define ADDR_LE_DEV_PUBLIC 0x00
#define ADDR_LE_DEV_RANDOM 0x01
@ -1779,6 +1792,4 @@ struct hci_inquiry_req {
};
#define IREQ_CACHE_FLUSH 0x0001
extern bool enable_hs;
#endif /* __HCI_H */

89
include/net/bluetooth/hci_core.h
View File

@ -81,6 +81,7 @@ struct hci_conn_hash {
struct bdaddr_list {
struct list_head list;
bdaddr_t bdaddr;
u8 bdaddr_type;
};
struct bt_uuid {
@ -141,6 +142,7 @@ struct hci_dev {
__u8 dev_type;
bdaddr_t bdaddr;
bdaddr_t static_addr;
__u8 own_addr_type;
__u8 dev_name[HCI_MAX_NAME_LENGTH];
__u8 short_name[HCI_MAX_SHORT_NAME_LENGTH];
__u8 eir[HCI_MAX_EIR_LENGTH];
@ -167,6 +169,9 @@ struct hci_dev {
__u8 page_scan_type;
__u16 le_scan_interval;
__u16 le_scan_window;
__u16 le_conn_min_interval;
__u16 le_conn_max_interval;
__u8 ssp_debug_mode;
__u16 devid_source;
__u16 devid_vendor;
@ -283,6 +288,8 @@ struct hci_dev {
__s8 adv_tx_power;
__u8 adv_data[HCI_MAX_AD_LENGTH];
__u8 adv_data_len;
__u8 scan_rsp_data[HCI_MAX_AD_LENGTH];
__u8 scan_rsp_data_len;
int (*open)(struct hci_dev *hdev);
int (*close)(struct hci_dev *hdev);
@ -311,7 +318,6 @@ struct hci_conn {
__u8 attempt;
__u8 dev_class[3];
__u8 features[HCI_MAX_PAGES][8];
__u16 interval;
__u16 pkt_type;
__u16 link_policy;
__u32 link_mode;
@ -339,8 +345,8 @@ struct hci_conn {
struct list_head chan_list;
struct delayed_work disc_work;
struct timer_list idle_timer;
struct timer_list auto_accept_timer;
struct delayed_work auto_accept_work;
struct delayed_work idle_work;
struct device dev;
@ -649,7 +655,7 @@ static inline void hci_conn_drop(struct hci_conn *conn)
switch (conn->type) {
case ACL_LINK:
case LE_LINK:
del_timer(&conn->idle_timer);
cancel_delayed_work(&conn->idle_work);
if (conn->state == BT_CONNECTED) {
timeo = conn->disc_timeout;
if (!conn->out)
@ -730,7 +736,7 @@ int hci_get_auth_info(struct hci_dev *hdev, void __user *arg);
int hci_inquiry(void __user *arg);
struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev,
bdaddr_t *bdaddr);
bdaddr_t *bdaddr, u8 type);
int hci_blacklist_clear(struct hci_dev *hdev);
int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
@ -765,8 +771,6 @@ int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);
void hci_init_sysfs(struct hci_dev *hdev);
int hci_add_sysfs(struct hci_dev *hdev);
void hci_del_sysfs(struct hci_dev *hdev);
void hci_conn_init_sysfs(struct hci_conn *conn);
void hci_conn_add_sysfs(struct hci_conn *conn);
void hci_conn_del_sysfs(struct hci_conn *conn);
@ -1009,34 +1013,6 @@ static inline bool eir_has_data_type(u8 *data, size_t data_len, u8 type)
return false;
}
static inline size_t eir_get_length(u8 *eir, size_t eir_len)
{
size_t parsed = 0;
while (parsed < eir_len) {
u8 field_len = eir[0];
if (field_len == 0)
return parsed;
parsed += field_len + 1;
eir += field_len + 1;
}
return eir_len;
}
static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
u8 data_len)
{
eir[eir_len++] = sizeof(type) + data_len;
eir[eir_len++] = type;
memcpy(&eir[eir_len], data, data_len);
eir_len += data_len;
return eir_len;
}
int hci_register_cb(struct hci_cb *hcb);
int hci_unregister_cb(struct hci_cb *hcb);
@ -1100,11 +1076,12 @@ void mgmt_index_added(struct hci_dev *hdev);
void mgmt_index_removed(struct hci_dev *hdev);
void mgmt_set_powered_failed(struct hci_dev *hdev, int err);
int mgmt_powered(struct hci_dev *hdev, u8 powered);
int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
int mgmt_connectable(struct hci_dev *hdev, u8 connectable);
int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
bool persistent);
void mgmt_discoverable_timeout(struct hci_dev *hdev);
void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable);
void mgmt_connectable(struct hci_dev *hdev, u8 connectable);
void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status);
void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key,
bool persistent);
void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
u8 addr_type, u32 flags, u8 *name, u8 name_len,
u8 *dev_class);
@ -1114,11 +1091,11 @@ void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr,
u8 link_type, u8 addr_type, u8 status);
void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
u8 addr_type, u8 status);
int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
u8 status);
int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
u8 status);
void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure);
void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
u8 status);
void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
u8 status);
int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr,
u8 link_type, u8 addr_type, __le32 value,
u8 confirm_hint);
@ -1135,15 +1112,15 @@ int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr,
int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr,
u8 link_type, u8 addr_type, u32 passkey,
u8 entered);
int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
u8 addr_type, u8 status);
int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status);
int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
u8 status);
int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
u8 *randomizer, u8 status);
void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
u8 addr_type, u8 status);
void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status);
void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status);
void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
u8 status);
void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status);
void mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
u8 *randomizer, u8 status);
void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name,
u8 ssp, u8 *eir, u16 eir_len);
@ -1152,7 +1129,7 @@ void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type,
void mgmt_discovering(struct hci_dev *hdev, u8 discovering);
int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent);
void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent);
void mgmt_reenable_advertising(struct hci_dev *hdev);
/* HCI info for socket */
@ -1183,8 +1160,6 @@ struct hci_sec_filter {
#define hci_req_lock(d) mutex_lock(&d->req_lock)
#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
void hci_update_ad(struct hci_request *req);
void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
u16 latency, u16 to_multiplier);
void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8],

20
include/net/bluetooth/l2cap.h
View File

@ -435,8 +435,6 @@ struct l2cap_seq_list {
#define L2CAP_SEQ_LIST_TAIL 0x8000
struct l2cap_chan {
struct sock *sk;
struct l2cap_conn *conn;
struct hci_conn *hs_hcon;
struct hci_chan *hs_hchan;
@ -551,10 +549,12 @@ struct l2cap_ops {
void (*teardown) (struct l2cap_chan *chan, int err);
void (*close) (struct l2cap_chan *chan);
void (*state_change) (struct l2cap_chan *chan,
int state);
int state, int err);
void (*ready) (struct l2cap_chan *chan);
void (*defer) (struct l2cap_chan *chan);
void (*resume) (struct l2cap_chan *chan);
void (*set_shutdown) (struct l2cap_chan *chan);
long (*get_sndtimeo) (struct l2cap_chan *chan);
struct sk_buff *(*alloc_skb) (struct l2cap_chan *chan,
unsigned long len, int nb);
};
@ -795,6 +795,19 @@ static inline void l2cap_chan_no_defer(struct l2cap_chan *chan)
{
}
static inline void l2cap_chan_no_resume(struct l2cap_chan *chan)
{
}
static inline void l2cap_chan_no_set_shutdown(struct l2cap_chan *chan)
{
}
static inline long l2cap_chan_no_get_sndtimeo(struct l2cap_chan *chan)
{
return 0;
}
extern bool disable_ertm;
int l2cap_init_sockets(void);
@ -802,7 +815,6 @@ void l2cap_cleanup_sockets(void);
bool l2cap_is_socket(struct socket *sock);
void __l2cap_connect_rsp_defer(struct l2cap_chan *chan);
int __l2cap_wait_ack(struct sock *sk);
int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm);
int l2cap_add_scid(struct l2cap_chan *chan, __u16 scid);

9
net/bluetooth/a2mp.c
View File

@ -672,7 +672,8 @@ static void a2mp_chan_close_cb(struct l2cap_chan *chan)
l2cap_chan_put(chan);
}
static void a2mp_chan_state_change_cb(struct l2cap_chan *chan, int state)
static void a2mp_chan_state_change_cb(struct l2cap_chan *chan, int state,
int err)
{
struct amp_mgr *mgr = chan->data;
@ -709,6 +710,9 @@ static struct l2cap_ops a2mp_chan_ops = {
.teardown = l2cap_chan_no_teardown,
.ready = l2cap_chan_no_ready,
.defer = l2cap_chan_no_defer,
.resume = l2cap_chan_no_resume,
.set_shutdown = l2cap_chan_no_set_shutdown,
.get_sndtimeo = l2cap_chan_no_get_sndtimeo,
};
static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn, bool locked)
@ -832,6 +836,9 @@ struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn,
{
struct amp_mgr *mgr;
if (conn->hcon->type != ACL_LINK)
return NULL;
mgr = amp_mgr_create(conn, false);
if (!mgr) {
BT_ERR("Could not create AMP manager");

9
net/bluetooth/af_bluetooth.c
View File

@ -25,6 +25,7 @@
/* Bluetooth address family and sockets. */
#include <linux/module.h>
#include <linux/debugfs.h>
#include <asm/ioctls.h>
#include <net/bluetooth/bluetooth.h>
@ -708,12 +709,17 @@ static struct net_proto_family bt_sock_family_ops = {
.create = bt_sock_create,
};
struct dentry *bt_debugfs;
EXPORT_SYMBOL_GPL(bt_debugfs);
static int __init bt_init(void)
{
int err;
BT_INFO("Core ver %s", VERSION);
bt_debugfs = debugfs_create_dir("bluetooth", NULL);
err = bt_sysfs_init();
if (err < 0)
return err;
@ -754,7 +760,6 @@ error:
static void __exit bt_exit(void)
{
sco_exit();
l2cap_exit();
@ -764,6 +769,8 @@ static void __exit bt_exit(void)
sock_unregister(PF_BLUETOOTH);
bt_sysfs_cleanup();
debugfs_remove_recursive(bt_debugfs);
}
subsys_initcall(bt_init);

48
net/bluetooth/hci_conn.c
View File

@ -317,8 +317,10 @@ static void hci_conn_timeout(struct work_struct *work)
}
/* Enter sniff mode */
static void hci_conn_enter_sniff_mode(struct hci_conn *conn)
static void hci_conn_idle(struct work_struct *work)
{
struct hci_conn *conn = container_of(work, struct hci_conn,
idle_work.work);
struct hci_dev *hdev = conn->hdev;
BT_DBG("hcon %p mode %d", conn, conn->mode);
@ -352,21 +354,12 @@ static void hci_conn_enter_sniff_mode(struct hci_conn *conn)
}
}
static void hci_conn_idle(unsigned long arg)
static void hci_conn_auto_accept(struct work_struct *work)
{
struct hci_conn *conn = (void *) arg;
struct hci_conn *conn = container_of(work, struct hci_conn,
auto_accept_work.work);
BT_DBG("hcon %p mode %d", conn, conn->mode);
hci_conn_enter_sniff_mode(conn);
}
static void hci_conn_auto_accept(unsigned long arg)
{
struct hci_conn *conn = (void *) arg;
struct hci_dev *hdev = conn->hdev;
hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, sizeof(conn->dst),
hci_send_cmd(conn->hdev, HCI_OP_USER_CONFIRM_REPLY, sizeof(conn->dst),
&conn->dst);
}
@ -415,9 +408,8 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
INIT_LIST_HEAD(&conn->chan_list);
INIT_DELAYED_WORK(&conn->disc_work, hci_conn_timeout);
setup_timer(&conn->idle_timer, hci_conn_idle, (unsigned long)conn);
setup_timer(&conn->auto_accept_timer, hci_conn_auto_accept,
(unsigned long) conn);
INIT_DELAYED_WORK(&conn->auto_accept_work, hci_conn_auto_accept);
INIT_DELAYED_WORK(&conn->idle_work, hci_conn_idle);
atomic_set(&conn->refcnt, 0);
@ -438,11 +430,9 @@ int hci_conn_del(struct hci_conn *conn)
BT_DBG("%s hcon %p handle %d", hdev->name, conn, conn->handle);
del_timer(&conn->idle_timer);
cancel_delayed_work_sync(&conn->disc_work);
del_timer(&conn->auto_accept_timer);
cancel_delayed_work_sync(&conn->auto_accept_work);
cancel_delayed_work_sync(&conn->idle_work);
if (conn->type == ACL_LINK) {
struct hci_conn *sco = conn->link;
@ -568,11 +558,12 @@ static int hci_create_le_conn(struct hci_conn *conn)
bacpy(&cp.peer_addr, &conn->dst);
cp.peer_addr_type = conn->dst_type;
cp.own_address_type = conn->src_type;
cp.conn_interval_min = __constant_cpu_to_le16(0x0028);
cp.conn_interval_max = __constant_cpu_to_le16(0x0038);
cp.conn_interval_min = cpu_to_le16(hdev->le_conn_min_interval);
cp.conn_interval_max = cpu_to_le16(hdev->le_conn_max_interval);
cp.supervision_timeout = __constant_cpu_to_le16(0x002a);
cp.min_ce_len = __constant_cpu_to_le16(0x0000);
cp.max_ce_len = __constant_cpu_to_le16(0x0000);
hci_req_add(&req, HCI_OP_LE_CREATE_CONN, sizeof(cp), &cp);
err = hci_req_run(&req, create_le_conn_complete);
@ -625,12 +616,7 @@ static struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
else
conn->dst_type = ADDR_LE_DEV_RANDOM;
if (bacmp(&conn->src, BDADDR_ANY)) {
conn->src_type = ADDR_LE_DEV_PUBLIC;
} else {
bacpy(&conn->src, &hdev->static_addr);
conn->src_type = ADDR_LE_DEV_RANDOM;
}
conn->src_type = hdev->own_addr_type;
conn->state = BT_CONNECT;
conn->out = true;
@ -922,8 +908,8 @@ void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active)
timer:
if (hdev->idle_timeout > 0)
mod_timer(&conn->idle_timer,
jiffies + msecs_to_jiffies(hdev->idle_timeout));
queue_delayed_work(hdev->workqueue, &conn->idle_work,
msecs_to_jiffies(hdev->idle_timeout));
}
/* Drop all connection on the device */

803
net/bluetooth/hci_core.c
View File

@ -27,8 +27,9 @@
#include <linux/export.h>
#include <linux/idr.h>
#include <linux/rfkill.h>
#include <linux/debugfs.h>
#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@ -55,6 +56,586 @@ static void hci_notify(struct hci_dev *hdev, int event)
hci_sock_dev_event(hdev, event);
}
/* ---- HCI debugfs entries ---- */
static ssize_t dut_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] = test_bit(HCI_DUT_MODE, &hdev->dev_flags) ? 'Y': 'N';
buf[1] = '\n';
buf[2] = '\0';
return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
}
static ssize_t dut_mode_write(struct file *file, const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct hci_dev *hdev = file->private_data;
struct sk_buff *skb;
char buf[32];
size_t buf_size = min(count, (sizeof(buf)-1));
bool enable;
int err;
if (!test_bit(HCI_UP, &hdev->flags))
return -ENETDOWN;
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(HCI_DUT_MODE, &hdev->dev_flags))
return -EALREADY;
hci_req_lock(hdev);
if (enable)
skb = __hci_cmd_sync(hdev, HCI_OP_ENABLE_DUT_MODE, 0, NULL,
HCI_CMD_TIMEOUT);
else
skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL,
HCI_CMD_TIMEOUT);
hci_req_unlock(hdev);
if (IS_ERR(skb))
return PTR_ERR(skb);
err = -bt_to_errno(skb->data[0]);
kfree_skb(skb);
if (err < 0)
return err;
change_bit(HCI_DUT_MODE, &hdev->dev_flags);
return count;
}
static const struct file_operations dut_mode_fops = {
.open = simple_open,
.read = dut_mode_read,
.write = dut_mode_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 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 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 list_head *p, *n;
hci_dev_lock(hdev);
list_for_each_safe(p, n, &hdev->link_keys) {
struct link_key *key = list_entry(p, struct link_key, list);
seq_printf(f, "%pMR %u %*phN %u\n", &key->bdaddr, key->type,
HCI_LINK_KEY_SIZE, key->val, key->pin_len);
}
hci_dev_unlock(hdev);
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 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_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 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 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 ssp_debug_mode_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
struct sk_buff *skb;
__u8 mode;
int err;
if (val != 0 && val != 1)
return -EINVAL;
if (!test_bit(HCI_UP, &hdev->flags))
return -ENETDOWN;
hci_req_lock(hdev);
mode = val;
skb = __hci_cmd_sync(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE, sizeof(mode),
&mode, HCI_CMD_TIMEOUT);
hci_req_unlock(hdev);
if (IS_ERR(skb))
return PTR_ERR(skb);
err = -bt_to_errno(skb->data[0]);
kfree_skb(skb);
if (err < 0)
return err;
hci_dev_lock(hdev);
hdev->ssp_debug_mode = val;
hci_dev_unlock(hdev);
return 0;
}
static int ssp_debug_mode_get(void *data, u64 *val)
{
struct hci_dev *hdev = data;
hci_dev_lock(hdev);
*val = hdev->ssp_debug_mode;
hci_dev_unlock(hdev);
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(ssp_debug_mode_fops, ssp_debug_mode_get,
ssp_debug_mode_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");
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 int own_address_type_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
if (val != 0 && val != 1)
return -EINVAL;
hci_dev_lock(hdev);
hdev->own_addr_type = val;
hci_dev_unlock(hdev);
return 0;
}
static int own_address_type_get(void *data, u64 *val)
{
struct hci_dev *hdev = data;
hci_dev_lock(hdev);
*val = hdev->own_addr_type;
hci_dev_unlock(hdev);
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(own_address_type_fops, own_address_type_get,
own_address_type_set, "%llu\n");
static int long_term_keys_show(struct seq_file *f, void *ptr)
{
struct hci_dev *hdev = f->private;
struct list_head *p, *n;
hci_dev_lock(hdev);
list_for_each_safe(p, n, &hdev->link_keys) {
struct smp_ltk *ltk = list_entry(p, struct smp_ltk, list);
seq_printf(f, "%pMR (type %u) %u %u %u %.4x %*phN %*phN\\n",
&ltk->bdaddr, ltk->bdaddr_type, ltk->authenticated,
ltk->type, ltk->enc_size, __le16_to_cpu(ltk->ediv),
8, ltk->rand, 16, ltk->val);
}
hci_dev_unlock(hdev);
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");
/* ---- HCI requests ---- */
static void hci_req_sync_complete(struct hci_dev *hdev, u8 result)
@ -556,6 +1137,14 @@ static void hci_init2_req(struct hci_request *req, unsigned long opt)
hci_req_add(req, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
if (lmp_ssp_capable(hdev)) {
/* When SSP is available, then the host features page
* should also be available as well. However some
* controllers list the max_page as 0 as long as SSP
* has not been enabled. To achieve proper debugging
* output, force the minimum max_page to 1 at least.
*/
hdev->max_page = 0x01;
if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
u8 mode = 0x01;
hci_req_add(req, HCI_OP_WRITE_SSP_MODE,
@ -686,8 +1275,17 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt)
hci_setup_link_policy(req);
if (lmp_le_capable(hdev)) {
/* If the controller has a public BD_ADDR, then by
* default use that one. If this is a LE only
* controller without one, default to the random
* address.
*/
if (bacmp(&hdev->bdaddr, BDADDR_ANY))
hdev->own_addr_type = ADDR_LE_DEV_PUBLIC;
else
hdev->own_addr_type = ADDR_LE_DEV_RANDOM;
hci_set_le_support(req);
hci_update_ad(req);
}
/* Read features beyond page 1 if available */
@ -721,6 +1319,14 @@ static int __hci_init(struct hci_dev *hdev)
if (err < 0)
return err;
/* The Device Under Test (DUT) mode is special and available for
* all controller types. So just create it early on.
*/
if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
debugfs_create_file("dut_mode", 0644, hdev->debugfs, hdev,
&dut_mode_fops);
}
/* HCI_BREDR covers both single-mode LE, BR/EDR and dual-mode
* BR/EDR/LE type controllers. AMP controllers only need the
* first stage init.
@ -736,7 +1342,71 @@ static int __hci_init(struct hci_dev *hdev)
if (err < 0)
return err;
return __hci_req_sync(hdev, hci_init4_req, 0, HCI_INIT_TIMEOUT);
err = __hci_req_sync(hdev, hci_init4_req, 0, HCI_INIT_TIMEOUT);
if (err < 0)
return err;
/* Only create debugfs entries during the initial setup
* phase and not every time the controller gets powered on.
*/
if (!test_bit(HCI_SETUP, &hdev->dev_flags))
return 0;
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_file("blacklist", 0444, hdev->debugfs, hdev,
&blacklist_fops);
debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops);
if (lmp_bredr_capable(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("use_debug_keys", 0444, hdev->debugfs,
hdev, &use_debug_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("auto_accept_delay", 0644, hdev->debugfs,
hdev, &auto_accept_delay_fops);
debugfs_create_file("ssp_debug_mode", 0644, hdev->debugfs,
hdev, &ssp_debug_mode_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);
}
if (lmp_le_capable(hdev)) {
debugfs_create_u8("white_list_size", 0444, hdev->debugfs,
&hdev->le_white_list_size);
debugfs_create_file("static_address", 0444, hdev->debugfs,
hdev, &static_address_fops);
debugfs_create_file("own_address_type", 0644, hdev->debugfs,
hdev, &own_address_type_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);
}
return 0;
}
static void hci_scan_req(struct hci_request *req, unsigned long opt)
@ -1127,89 +1797,6 @@ done:
return err;
}
static u8 create_ad(struct hci_dev *hdev, u8 *ptr)
{
u8 ad_len = 0, flags = 0;
size_t name_len;
if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
flags |= LE_AD_GENERAL;
if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
if (lmp_le_br_capable(hdev))
flags |= LE_AD_SIM_LE_BREDR_CTRL;
if (lmp_host_le_br_capable(hdev))
flags |= LE_AD_SIM_LE_BREDR_HOST;
} else {
flags |= LE_AD_NO_BREDR;
}
if (flags) {
BT_DBG("adv flags 0x%02x", flags);
ptr[0] = 2;
ptr[1] = EIR_FLAGS;
ptr[2] = flags;
ad_len += 3;
ptr += 3;
}
if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) {
ptr[0] = 2;
ptr[1] = EIR_TX_POWER;
ptr[2] = (u8) hdev->adv_tx_power;
ad_len += 3;
ptr += 3;
}
name_len = strlen(hdev->dev_name);
if (name_len > 0) {
size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2;
if (name_len > max_len) {
name_len = max_len;
ptr[1] = EIR_NAME_SHORT;
} else
ptr[1] = EIR_NAME_COMPLETE;
ptr[0] = name_len + 1;
memcpy(ptr + 2, hdev->dev_name, name_len);
ad_len += (name_len + 2);
ptr += (name_len + 2);
}
return ad_len;
}
void hci_update_ad(struct hci_request *req)
{
struct hci_dev *hdev = req->hdev;
struct hci_cp_le_set_adv_data cp;
u8 len;
if (!lmp_le_capable(hdev))
return;
memset(&cp, 0, sizeof(cp));
len = create_ad(hdev, cp.data);
if (hdev->adv_data_len == len &&
memcmp(cp.data, hdev->adv_data, len) == 0)
return;
memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
hdev->adv_data_len = len;
cp.length = len;
hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
}
static int hci_dev_do_open(struct hci_dev *hdev)
{
int ret = 0;
@ -1367,6 +1954,7 @@ static int hci_dev_do_close(struct hci_dev *hdev)
cancel_delayed_work(&hdev->discov_off);
hdev->discov_timeout = 0;
clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags);
clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags);
}
if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
@ -1789,19 +2377,12 @@ static void hci_power_off(struct work_struct *work)
static void hci_discov_off(struct work_struct *work)
{
struct hci_dev *hdev;
u8 scan = SCAN_PAGE;
hdev = container_of(work, struct hci_dev, discov_off.work);
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan);
hdev->discov_timeout = 0;
hci_dev_unlock(hdev);
mgmt_discoverable_timeout(hdev);
}
int hci_uuids_clear(struct hci_dev *hdev)
@ -2124,13 +2705,15 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
return 0;
}
struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr)
struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev,
bdaddr_t *bdaddr, u8 type)
{
struct bdaddr_list *b;
list_for_each_entry(b, &hdev->blacklist, list)
if (bacmp(bdaddr, &b->bdaddr) == 0)
list_for_each_entry(b, &hdev->blacklist, list) {
if (!bacmp(&b->bdaddr, bdaddr) && b->bdaddr_type == type)
return b;
}
return NULL;
}
@ -2140,9 +2723,7 @@ int hci_blacklist_clear(struct hci_dev *hdev)
struct list_head *p, *n;
list_for_each_safe(p, n, &hdev->blacklist) {
struct bdaddr_list *b;
b = list_entry(p, struct bdaddr_list, list);
struct bdaddr_list *b = list_entry(p, struct bdaddr_list, list);
list_del(p);
kfree(b);
@ -2155,10 +2736,10 @@ int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
{
struct bdaddr_list *entry;
if (bacmp(bdaddr, BDADDR_ANY) == 0)
if (!bacmp(bdaddr, BDADDR_ANY))
return -EBADF;
if (hci_blacklist_lookup(hdev, bdaddr))
if (hci_blacklist_lookup(hdev, bdaddr, type))
return -EEXIST;
entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL);
@ -2166,6 +2747,7 @@ int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
return -ENOMEM;
bacpy(&entry->bdaddr, bdaddr);
entry->bdaddr_type = type;
list_add(&entry->list, &hdev->blacklist);
@ -2176,10 +2758,10 @@ int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
{
struct bdaddr_list *entry;
if (bacmp(bdaddr, BDADDR_ANY) == 0)
if (!bacmp(bdaddr, BDADDR_ANY))
return hci_blacklist_clear(hdev);
entry = hci_blacklist_lookup(hdev, bdaddr);
entry = hci_blacklist_lookup(hdev, bdaddr, type);
if (!entry)
return -ENOENT;
@ -2287,6 +2869,8 @@ struct hci_dev *hci_alloc_dev(void)
hdev->le_scan_interval = 0x0060;
hdev->le_scan_window = 0x0030;
hdev->le_conn_min_interval = 0x0028;
hdev->le_conn_max_interval = 0x0038;
mutex_init(&hdev->lock);
mutex_init(&hdev->req_lock);
@ -2376,7 +2960,12 @@ int hci_register_dev(struct hci_dev *hdev)
goto err;
}
error = hci_add_sysfs(hdev);
if (!IS_ERR_OR_NULL(bt_debugfs))
hdev->debugfs = debugfs_create_dir(hdev->name, bt_debugfs);
dev_set_name(&hdev->dev, "%s", hdev->name);
error = device_add(&hdev->dev);
if (error < 0)
goto err_wqueue;
@ -2464,7 +3053,9 @@ void hci_unregister_dev(struct hci_dev *hdev)
rfkill_destroy(hdev->rfkill);
}
hci_del_sysfs(hdev);
device_del(&hdev->dev);
debugfs_remove_recursive(hdev->debugfs);
destroy_workqueue(hdev->workqueue);
destroy_workqueue(hdev->req_workqueue);

59
net/bluetooth/hci_event.c
View File

@ -195,6 +195,11 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
hdev->adv_data_len = 0;
memset(hdev->scan_rsp_data, 0, sizeof(hdev->scan_rsp_data));
hdev->scan_rsp_data_len = 0;
hdev->ssp_debug_mode = 0;
}
static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
@ -310,11 +315,6 @@ static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
set_bit(HCI_ISCAN, &hdev->flags);
if (!old_iscan)
mgmt_discoverable(hdev, 1);
if (hdev->discov_timeout > 0) {
int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
queue_delayed_work(hdev->workqueue, &hdev->discov_off,
to);
}
} else if (old_iscan)
mgmt_discoverable(hdev, 0);
@ -470,14 +470,13 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
if (rp->status)
return;
hdev->hci_ver = rp->hci_ver;
hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
hdev->lmp_ver = rp->lmp_ver;
hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
BT_DBG("%s manufacturer 0x%4.4x hci ver %d:%d", hdev->name,
hdev->manufacturer, hdev->hci_ver, hdev->hci_rev);
if (test_bit(HCI_SETUP, &hdev->dev_flags)) {
hdev->hci_ver = rp->hci_ver;
hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
hdev->lmp_ver = rp->lmp_ver;
hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
}
}
static void hci_cc_read_local_commands(struct hci_dev *hdev,
@ -557,7 +556,8 @@ static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
if (rp->status)
return;
hdev->max_page = rp->max_page;
if (hdev->max_page < rp->max_page)
hdev->max_page = rp->max_page;
if (rp->page < HCI_MAX_PAGES)
memcpy(hdev->features[rp->page], rp->features, 8);
@ -939,14 +939,6 @@ static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
clear_bit(HCI_ADVERTISING, &hdev->dev_flags);
}
if (*sent && !test_bit(HCI_INIT, &hdev->flags)) {
struct hci_request req;
hci_req_init(&req, hdev);
hci_update_ad(&req);
hci_req_run(&req, NULL);
}
hci_dev_unlock(hdev);
}
@ -1702,7 +1694,7 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
&flags);
if ((mask & HCI_LM_ACCEPT) &&
!hci_blacklist_lookup(hdev, &ev->bdaddr)) {
!hci_blacklist_lookup(hdev, &ev->bdaddr, BDADDR_BREDR)) {
/* Connection accepted */
struct inquiry_entry *ie;
struct hci_conn *conn;
@ -2559,7 +2551,6 @@ static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
if (conn) {
conn->mode = ev->mode;
conn->interval = __le16_to_cpu(ev->interval);
if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
&conn->flags)) {
@ -2941,6 +2932,23 @@ unlock:
hci_dev_unlock(hdev);
}
static inline size_t eir_get_length(u8 *eir, size_t eir_len)
{
size_t parsed = 0;
while (parsed < eir_len) {
u8 field_len = eir[0];
if (field_len == 0)
return parsed;
parsed += field_len + 1;
eir += field_len + 1;
}
return eir_len;
}
static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
@ -3181,7 +3189,8 @@ static void hci_user_confirm_request_evt(struct hci_dev *hdev,
if (hdev->auto_accept_delay > 0) {
int delay = msecs_to_jiffies(hdev->auto_accept_delay);
mod_timer(&conn->auto_accept_timer, jiffies + delay);
queue_delayed_work(conn->hdev->workqueue,
&conn->auto_accept_work, delay);
goto unlock;
}

4
net/bluetooth/hci_sock.c
View File

@ -481,7 +481,7 @@ static int hci_sock_blacklist_add(struct hci_dev *hdev, void __user *arg)
hci_dev_lock(hdev);
err = hci_blacklist_add(hdev, &bdaddr, 0);
err = hci_blacklist_add(hdev, &bdaddr, BDADDR_BREDR);
hci_dev_unlock(hdev);
@ -498,7 +498,7 @@ static int hci_sock_blacklist_del(struct hci_dev *hdev, void __user *arg)
hci_dev_lock(hdev);
err = hci_blacklist_del(hdev, &bdaddr, 0);
err = hci_blacklist_del(hdev, &bdaddr, BDADDR_BREDR);
hci_dev_unlock(hdev);

373
net/bluetooth/hci_sysfs.c
View File

@ -1,17 +1,12 @@
/* Bluetooth HCI driver model support. */
#include <linux/debugfs.h>
#include <linux/module.h>
#include <asm/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
static struct class *bt_class;
struct dentry *bt_debugfs;
EXPORT_SYMBOL_GPL(bt_debugfs);
static inline char *link_typetostr(int type)
{
switch (type) {
@ -42,29 +37,15 @@ static ssize_t show_link_address(struct device *dev,
return sprintf(buf, "%pMR\n", &conn->dst);
}
static ssize_t show_link_features(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hci_conn *conn = to_hci_conn(dev);
return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
conn->features[0][0], conn->features[0][1],
conn->features[0][2], conn->features[0][3],
conn->features[0][4], conn->features[0][5],
conn->features[0][6], conn->features[0][7]);
}
#define LINK_ATTR(_name, _mode, _show, _store) \
struct device_attribute link_attr_##_name = __ATTR(_name, _mode, _show, _store)
static LINK_ATTR(type, S_IRUGO, show_link_type, NULL);
static LINK_ATTR(address, S_IRUGO, show_link_address, NULL);
static LINK_ATTR(features, S_IRUGO, show_link_features, NULL);
static struct attribute *bt_link_attrs[] = {
&link_attr_type.attr,
&link_attr_address.attr,
&link_attr_features.attr,
NULL
};
@ -150,28 +131,6 @@ void hci_conn_del_sysfs(struct hci_conn *conn)
hci_dev_put(hdev);
}
static inline char *host_bustostr(int bus)
{
switch (bus) {
case HCI_VIRTUAL:
return "VIRTUAL";
case HCI_USB:
return "USB";
case HCI_PCCARD:
return "PCCARD";
case HCI_UART:
return "UART";
case HCI_RS232:
return "RS232";
case HCI_PCI:
return "PCI";
case HCI_SDIO:
return "SDIO";
default:
return "UNKNOWN";
}
}
static inline char *host_typetostr(int type)
{
switch (type) {
@ -184,13 +143,6 @@ static inline char *host_typetostr(int type)
}
}
static ssize_t show_bus(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = to_hci_dev(dev);
return sprintf(buf, "%s\n", host_bustostr(hdev->bus));
}
static ssize_t show_type(struct device *dev,
struct device_attribute *attr, char *buf)
{
@ -212,14 +164,6 @@ static ssize_t show_name(struct device *dev,
return sprintf(buf, "%s\n", name);
}
static ssize_t show_class(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = to_hci_dev(dev);
return sprintf(buf, "0x%.2x%.2x%.2x\n", hdev->dev_class[2],
hdev->dev_class[1], hdev->dev_class[0]);
}
static ssize_t show_address(struct device *dev,
struct device_attribute *attr, char *buf)
{
@ -227,150 +171,14 @@ static ssize_t show_address(struct device *dev,
return sprintf(buf, "%pMR\n", &hdev->bdaddr);
}
static ssize_t show_features(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = to_hci_dev(dev);
return sprintf(buf, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
hdev->features[0][0], hdev->features[0][1],
hdev->features[0][2], hdev->features[0][3],
hdev->features[0][4], hdev->features[0][5],
hdev->features[0][6], hdev->features[0][7]);
}
static ssize_t show_manufacturer(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = to_hci_dev(dev);
return sprintf(buf, "%d\n", hdev->manufacturer);
}
static ssize_t show_hci_version(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = to_hci_dev(dev);
return sprintf(buf, "%d\n", hdev->hci_ver);
}
static ssize_t show_hci_revision(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = to_hci_dev(dev);
return sprintf(buf, "%d\n", hdev->hci_rev);
}
static ssize_t show_idle_timeout(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = to_hci_dev(dev);
return sprintf(buf, "%d\n", hdev->idle_timeout);
}
static ssize_t store_idle_timeout(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct hci_dev *hdev = to_hci_dev(dev);
unsigned int val;
int rv;
rv = kstrtouint(buf, 0, &val);
if (rv < 0)
return rv;
if (val != 0 && (val < 500 || val > 3600000))
return -EINVAL;
hdev->idle_timeout = val;
return count;
}
static ssize_t show_sniff_max_interval(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = to_hci_dev(dev);
return sprintf(buf, "%d\n", hdev->sniff_max_interval);
}
static ssize_t store_sniff_max_interval(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct hci_dev *hdev = to_hci_dev(dev);
u16 val;
int rv;
rv = kstrtou16(buf, 0, &val);
if (rv < 0)
return rv;
if (val == 0 || val % 2 || val < hdev->sniff_min_interval)
return -EINVAL;
hdev->sniff_max_interval = val;
return count;
}
static ssize_t show_sniff_min_interval(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct hci_dev *hdev = to_hci_dev(dev);
return sprintf(buf, "%d\n", hdev->sniff_min_interval);
}
static ssize_t store_sniff_min_interval(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct hci_dev *hdev = to_hci_dev(dev);
u16 val;
int rv;
rv = kstrtou16(buf, 0, &val);
if (rv < 0)
return rv;
if (val == 0 || val % 2 || val > hdev->sniff_max_interval)
return -EINVAL;
hdev->sniff_min_interval = val;
return count;
}
static DEVICE_ATTR(bus, S_IRUGO, show_bus, NULL);
static DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
static DEVICE_ATTR(name, S_IRUGO, show_name, NULL);
static DEVICE_ATTR(class, S_IRUGO, show_class, NULL);
static DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
static DEVICE_ATTR(features, S_IRUGO, show_features, NULL);
static DEVICE_ATTR(manufacturer, S_IRUGO, show_manufacturer, NULL);
static DEVICE_ATTR(hci_version, S_IRUGO, show_hci_version, NULL);
static DEVICE_ATTR(hci_revision, S_IRUGO, show_hci_revision, NULL);
static DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR,
show_idle_timeout, store_idle_timeout);
static DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR,
show_sniff_max_interval, store_sniff_max_interval);
static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR,
show_sniff_min_interval, store_sniff_min_interval);
static struct attribute *bt_host_attrs[] = {
&dev_attr_bus.attr,
&dev_attr_type.attr,
&dev_attr_name.attr,
&dev_attr_class.attr,
&dev_attr_address.attr,
&dev_attr_features.attr,
&dev_attr_manufacturer.attr,
&dev_attr_hci_version.attr,
&dev_attr_hci_revision.attr,
&dev_attr_idle_timeout.attr,
&dev_attr_sniff_max_interval.attr,
&dev_attr_sniff_min_interval.attr,
NULL
};
@ -396,141 +204,6 @@ static struct device_type bt_host = {
.release = bt_host_release,
};
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 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\n", &b->bdaddr);
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 void print_bt_uuid(struct seq_file *f, u8 *uuid)
{
u32 data0, data5;
u16 data1, data2, data3, data4;
data5 = get_unaligned_le32(uuid);
data4 = get_unaligned_le16(uuid + 4);
data3 = get_unaligned_le16(uuid + 6);
data2 = get_unaligned_le16(uuid + 8);
data1 = get_unaligned_le16(uuid + 10);
data0 = get_unaligned_le32(uuid + 12);
seq_printf(f, "%.8x-%.4x-%.4x-%.4x-%.4x%.8x\n",
data0, data1, data2, data3, data4, data5);
}
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)
print_bt_uuid(f, uuid->uuid);
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 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");
void hci_init_sysfs(struct hci_dev *hdev)
{
struct device *dev = &hdev->dev;
@ -542,52 +215,8 @@ void hci_init_sysfs(struct hci_dev *hdev)
device_initialize(dev);
}
int hci_add_sysfs(struct hci_dev *hdev)
{
struct device *dev = &hdev->dev;
int err;
BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
dev_set_name(dev, "%s", hdev->name);
err = device_add(dev);
if (err < 0)
return err;
if (!bt_debugfs)
return 0;
hdev->debugfs = debugfs_create_dir(hdev->name, bt_debugfs);
if (!hdev->debugfs)
return 0;
debugfs_create_file("inquiry_cache", 0444, hdev->debugfs,
hdev, &inquiry_cache_fops);
debugfs_create_file("blacklist", 0444, hdev->debugfs,
hdev, &blacklist_fops);
debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops);
debugfs_create_file("auto_accept_delay", 0444, hdev->debugfs, hdev,
&auto_accept_delay_fops);
return 0;
}
void hci_del_sysfs(struct hci_dev *hdev)
{
BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus);
debugfs_remove_recursive(hdev->debugfs);
device_del(&hdev->dev);
}
int __init bt_sysfs_init(void)
{
bt_debugfs = debugfs_create_dir("bluetooth", NULL);
bt_class = class_create(THIS_MODULE, "bluetooth");
return PTR_ERR_OR_ZERO(bt_class);
@ -596,6 +225,4 @@ int __init bt_sysfs_init(void)
void bt_sysfs_cleanup(void)
{
class_destroy(bt_class);
debugfs_remove_recursive(bt_debugfs);
}

227
net/bluetooth/l2cap_core.c
View File

@ -223,38 +223,25 @@ static u16 l2cap_alloc_cid(struct l2cap_conn *conn)
return 0;
}
static void __l2cap_state_change(struct l2cap_chan *chan, int state)
static void l2cap_state_change(struct l2cap_chan *chan, int state)
{
BT_DBG("chan %p %s -> %s", chan, state_to_string(chan->state),
state_to_string(state));
chan->state = state;
chan->ops->state_change(chan, state);
chan->ops->state_change(chan, state, 0);
}
static void l2cap_state_change(struct l2cap_chan *chan, int state)
static inline void l2cap_state_change_and_error(struct l2cap_chan *chan,
int state, int err)
{
struct sock *sk = chan->sk;
lock_sock(sk);
__l2cap_state_change(chan, state);
release_sock(sk);
}
static inline void __l2cap_chan_set_err(struct l2cap_chan *chan, int err)
{
struct sock *sk = chan->sk;
sk->sk_err = err;
chan->state = state;
chan->ops->state_change(chan, chan->state, err);
}
static inline void l2cap_chan_set_err(struct l2cap_chan *chan, int err)
{
struct sock *sk = chan->sk;
lock_sock(sk);
__l2cap_chan_set_err(chan, err);
release_sock(sk);
chan->ops->state_change(chan, chan->state, err);
}
static void __set_retrans_timer(struct l2cap_chan *chan)
@ -645,8 +632,7 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason)
case BT_CONFIG:
if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED &&
conn->hcon->type == ACL_LINK) {
struct sock *sk = chan->sk;
__set_chan_timer(chan, sk->sk_sndtimeo);
__set_chan_timer(chan, chan->ops->get_sndtimeo(chan));
l2cap_send_disconn_req(chan, reason);
} else
l2cap_chan_del(chan, reason);
@ -1230,7 +1216,6 @@ static inline int l2cap_mode_supported(__u8 mode, __u32 feat_mask)
static void l2cap_send_disconn_req(struct l2cap_chan *chan, int err)
{
struct sock *sk = chan->sk;
struct l2cap_conn *conn = chan->conn;
struct l2cap_disconn_req req;
@ -1253,10 +1238,7 @@ static void l2cap_send_disconn_req(struct l2cap_chan *chan, int err)
l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_DISCONN_REQ,
sizeof(req), &req);
lock_sock(sk);
__l2cap_state_change(chan, BT_DISCONN);
__l2cap_chan_set_err(chan, err);
release_sock(sk);
l2cap_state_change_and_error(chan, BT_DISCONN, err);
}
/* ---- L2CAP connections ---- */
@ -1300,20 +1282,16 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
rsp.dcid = cpu_to_le16(chan->scid);
if (l2cap_chan_check_security(chan)) {
struct sock *sk = chan->sk;
lock_sock(sk);
if (test_bit(FLAG_DEFER_SETUP, &chan->flags)) {
rsp.result = __constant_cpu_to_le16(L2CAP_CR_PEND);
rsp.status = __constant_cpu_to_le16(L2CAP_CS_AUTHOR_PEND);
chan->ops->defer(chan);
} else {
__l2cap_state_change(chan, BT_CONFIG);
l2cap_state_change(chan, BT_CONFIG);
rsp.result = __constant_cpu_to_le16(L2CAP_CR_SUCCESS);
rsp.status = __constant_cpu_to_le16(L2CAP_CS_NO_INFO);
}
release_sock(sk);
} else {
rsp.result = __constant_cpu_to_le16(L2CAP_CR_PEND);
rsp.status = __constant_cpu_to_le16(L2CAP_CS_AUTHEN_PEND);
@ -1383,14 +1361,15 @@ static struct l2cap_chan *l2cap_global_chan_by_scid(int state, u16 cid,
static void l2cap_le_conn_ready(struct l2cap_conn *conn)
{
struct sock *parent;
struct hci_conn *hcon = conn->hcon;
struct l2cap_chan *chan, *pchan;
u8 dst_type;
BT_DBG("");
/* Check if we have socket listening on cid */
pchan = l2cap_global_chan_by_scid(BT_LISTEN, L2CAP_CID_ATT,
&conn->hcon->src, &conn->hcon->dst);
&hcon->src, &hcon->dst);
if (!pchan)
return;
@ -1398,9 +1377,13 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
if (__l2cap_get_chan_by_dcid(conn, L2CAP_CID_ATT))
return;
parent = pchan->sk;
dst_type = bdaddr_type(hcon, hcon->dst_type);
lock_sock(parent);
/* If device is blocked, do not create a channel for it */
if (hci_blacklist_lookup(hcon->hdev, &hcon->dst, dst_type))
return;
l2cap_chan_lock(pchan);
chan = pchan->ops->new_connection(pchan);
if (!chan)
@ -1408,15 +1391,15 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
chan->dcid = L2CAP_CID_ATT;
bacpy(&chan->src, &conn->hcon->src);
bacpy(&chan->dst, &conn->hcon->dst);
chan->src_type = bdaddr_type(conn->hcon, conn->hcon->src_type);
chan->dst_type = bdaddr_type(conn->hcon, conn->hcon->dst_type);
bacpy(&chan->src, &hcon->src);
bacpy(&chan->dst, &hcon->dst);
chan->src_type = bdaddr_type(hcon, hcon->src_type);
chan->dst_type = dst_type;
__l2cap_chan_add(conn, chan);
clean:
release_sock(parent);
l2cap_chan_unlock(pchan);
}
static void l2cap_conn_ready(struct l2cap_conn *conn)
@ -1451,12 +1434,7 @@ static void l2cap_conn_ready(struct l2cap_conn *conn)
l2cap_chan_ready(chan);
} else if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {
struct sock *sk = chan->sk;
__clear_chan_timer(chan);
lock_sock(sk);
__l2cap_state_change(chan, BT_CONNECTED);
sk->sk_state_change(sk);
release_sock(sk);
l2cap_chan_ready(chan);
} else if (chan->state == BT_CONNECT) {
l2cap_do_start(chan);
@ -1764,7 +1742,6 @@ static struct l2cap_chan *l2cap_global_chan_by_psm(int state, __le16 psm,
int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
bdaddr_t *dst, u8 dst_type)
{
struct sock *sk = chan->sk;
struct l2cap_conn *conn;
struct hci_conn *hcon;
struct hci_dev *hdev;
@ -1876,7 +1853,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
hci_conn_drop(hcon);
l2cap_state_change(chan, BT_CONNECT);
__set_chan_timer(chan, sk->sk_sndtimeo);
__set_chan_timer(chan, chan->ops->get_sndtimeo(chan));
if (hcon->state == BT_CONNECTED) {
if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED) {
@ -1896,38 +1873,6 @@ done:
return err;
}
int __l2cap_wait_ack(struct sock *sk)
{
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
DECLARE_WAITQUEUE(wait, current);
int err = 0;
int timeo = HZ/5;
add_wait_queue(sk_sleep(sk), &wait);
set_current_state(TASK_INTERRUPTIBLE);
while (chan->unacked_frames > 0 && chan->conn) {
if (!timeo)
timeo = HZ/5;
if (signal_pending(current)) {
err = sock_intr_errno(timeo);
break;
}
release_sock(sk);
timeo = schedule_timeout(timeo);
lock_sock(sk);
set_current_state(TASK_INTERRUPTIBLE);
err = sock_error(sk);
if (err)
break;
}
set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
return err;
}
static void l2cap_monitor_timeout(struct work_struct *work)
{
struct l2cap_chan *chan = container_of(work, struct l2cap_chan,
@ -2868,17 +2813,16 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb)
mutex_lock(&conn->chan_lock);
list_for_each_entry(chan, &conn->chan_l, list) {
struct sock *sk = chan->sk;
if (chan->chan_type != L2CAP_CHAN_RAW)
continue;
/* Don't send frame to the socket it came from */
if (skb->sk == sk)
/* Don't send frame to the channel it came from */
if (bt_cb(skb)->chan == chan)
continue;
nskb = skb_clone(skb, GFP_KERNEL);
if (!nskb)
continue;
if (chan->ops->recv(chan, nskb))
kfree_skb(nskb);
}
@ -3757,7 +3701,6 @@ static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn,
struct l2cap_conn_req *req = (struct l2cap_conn_req *) data;
struct l2cap_conn_rsp rsp;
struct l2cap_chan *chan = NULL, *pchan;
struct sock *parent, *sk = NULL;
int result, status = L2CAP_CS_NO_INFO;
u16 dcid = 0, scid = __le16_to_cpu(req->scid);
@ -3773,10 +3716,8 @@ static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn,
goto sendresp;
}
parent = pchan->sk;
mutex_lock(&conn->chan_lock);
lock_sock(parent);
l2cap_chan_lock(pchan);
/* Check if the ACL is secure enough (if not SDP) */
if (psm != __constant_cpu_to_le16(L2CAP_PSM_SDP) &&
@ -3796,8 +3737,6 @@ static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn,
if (!chan)
goto response;
sk = chan->sk;
/* For certain devices (ex: HID mouse), support for authentication,
* pairing and bonding is optional. For such devices, inorder to avoid
* the ACL alive for too long after L2CAP disconnection, reset the ACL
@ -3817,14 +3756,14 @@ static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn,
dcid = chan->scid;
__set_chan_timer(chan, sk->sk_sndtimeo);
__set_chan_timer(chan, chan->ops->get_sndtimeo(chan));
chan->ident = cmd->ident;
if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE) {
if (l2cap_chan_check_security(chan)) {
if (test_bit(FLAG_DEFER_SETUP, &chan->flags)) {
__l2cap_state_change(chan, BT_CONNECT2);
l2cap_state_change(chan, BT_CONNECT2);
result = L2CAP_CR_PEND;
status = L2CAP_CS_AUTHOR_PEND;
chan->ops->defer(chan);
@ -3834,27 +3773,27 @@ static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn,
* physical link is up.
*/
if (amp_id == AMP_ID_BREDR) {
__l2cap_state_change(chan, BT_CONFIG);
l2cap_state_change(chan, BT_CONFIG);
result = L2CAP_CR_SUCCESS;
} else {
__l2cap_state_change(chan, BT_CONNECT2);
l2cap_state_change(chan, BT_CONNECT2);
result = L2CAP_CR_PEND;
}
status = L2CAP_CS_NO_INFO;
}
} else {
__l2cap_state_change(chan, BT_CONNECT2);
l2cap_state_change(chan, BT_CONNECT2);
result = L2CAP_CR_PEND;
status = L2CAP_CS_AUTHEN_PEND;
}
} else {
__l2cap_state_change(chan, BT_CONNECT2);
l2cap_state_change(chan, BT_CONNECT2);
result = L2CAP_CR_PEND;
status = L2CAP_CS_NO_INFO;
}
response:
release_sock(parent);
l2cap_chan_unlock(pchan);
mutex_unlock(&conn->chan_lock);
sendresp:
@ -4010,6 +3949,18 @@ static void l2cap_send_efs_conf_rsp(struct l2cap_chan *chan, void *data,
L2CAP_CONF_SUCCESS, flags), data);
}
static void cmd_reject_invalid_cid(struct l2cap_conn *conn, u8 ident,
u16 scid, u16 dcid)
{
struct l2cap_cmd_rej_cid rej;
rej.reason = __constant_cpu_to_le16(L2CAP_REJ_INVALID_CID);
rej.scid = __cpu_to_le16(scid);
rej.dcid = __cpu_to_le16(dcid);
l2cap_send_cmd(conn, ident, L2CAP_COMMAND_REJ, sizeof(rej), &rej);
}
static inline int l2cap_config_req(struct l2cap_conn *conn,
struct l2cap_cmd_hdr *cmd, u16 cmd_len,
u8 *data)
@ -4029,18 +3980,14 @@ static inline int l2cap_config_req(struct l2cap_conn *conn,
BT_DBG("dcid 0x%4.4x flags 0x%2.2x", dcid, flags);
chan = l2cap_get_chan_by_scid(conn, dcid);
if (!chan)
return -EBADSLT;
if (!chan) {
cmd_reject_invalid_cid(conn, cmd->ident, dcid, 0);
return 0;
}
if (chan->state != BT_CONFIG && chan->state != BT_CONNECT2) {
struct l2cap_cmd_rej_cid rej;
rej.reason = __constant_cpu_to_le16(L2CAP_REJ_INVALID_CID);
rej.scid = cpu_to_le16(chan->scid);
rej.dcid = cpu_to_le16(chan->dcid);
l2cap_send_cmd(conn, cmd->ident, L2CAP_COMMAND_REJ,
sizeof(rej), &rej);
cmd_reject_invalid_cid(conn, cmd->ident, chan->scid,
chan->dcid);
goto unlock;
}
@ -4243,7 +4190,6 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn,
struct l2cap_disconn_rsp rsp;
u16 dcid, scid;
struct l2cap_chan *chan;
struct sock *sk;
if (cmd_len != sizeof(*req))
return -EPROTO;
@ -4258,20 +4204,17 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn,
chan = __l2cap_get_chan_by_scid(conn, dcid);
if (!chan) {
mutex_unlock(&conn->chan_lock);
return -EBADSLT;
cmd_reject_invalid_cid(conn, cmd->ident, dcid, scid);
return 0;
}
l2cap_chan_lock(chan);
sk = chan->sk;
rsp.dcid = cpu_to_le16(chan->scid);
rsp.scid = cpu_to_le16(chan->dcid);
l2cap_send_cmd(conn, cmd->ident, L2CAP_DISCONN_RSP, sizeof(rsp), &rsp);
lock_sock(sk);
sk->sk_shutdown = SHUTDOWN_MASK;
release_sock(sk);
chan->ops->set_shutdown(chan);
l2cap_chan_hold(chan);
l2cap_chan_del(chan, ECONNRESET);
@ -4491,7 +4434,9 @@ static int l2cap_create_channel_req(struct l2cap_conn *conn,
&conn->hcon->dst);
if (!hs_hcon) {
hci_dev_put(hdev);
return -EBADSLT;
cmd_reject_invalid_cid(conn, cmd->ident, chan->scid,
chan->dcid);
return 0;
}
BT_DBG("mgr %p bredr_chan %p hs_hcon %p", mgr, chan, hs_hcon);
@ -4769,7 +4714,7 @@ static void l2cap_do_create(struct l2cap_chan *chan, int result,
sizeof(rsp), &rsp);
if (result == L2CAP_CR_SUCCESS) {
__l2cap_state_change(chan, BT_CONFIG);
l2cap_state_change(chan, BT_CONFIG);
set_bit(CONF_REQ_SENT, &chan->conf_state);
l2cap_send_cmd(chan->conn, l2cap_get_ident(chan->conn),
L2CAP_CONF_REQ,
@ -5347,20 +5292,6 @@ static inline int l2cap_le_sig_cmd(struct l2cap_conn *conn,
}
}
static __le16 l2cap_err_to_reason(int err)
{
switch (err) {
case -EBADSLT:
return __constant_cpu_to_le16(L2CAP_REJ_INVALID_CID);
case -EMSGSIZE:
return __constant_cpu_to_le16(L2CAP_REJ_MTU_EXCEEDED);
case -EINVAL:
case -EPROTO:
default:
return __constant_cpu_to_le16(L2CAP_REJ_NOT_UNDERSTOOD);
}
}
static inline void l2cap_le_sig_channel(struct l2cap_conn *conn,
struct sk_buff *skb)
{
@ -5393,7 +5324,7 @@ static inline void l2cap_le_sig_channel(struct l2cap_conn *conn,
BT_ERR("Wrong link type (%d)", err);
rej.reason = l2cap_err_to_reason(err);
rej.reason = __constant_cpu_to_le16(L2CAP_REJ_NOT_UNDERSTOOD);
l2cap_send_cmd(conn, cmd->ident, L2CAP_COMMAND_REJ,
sizeof(rej), &rej);
}
@ -5438,7 +5369,7 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn,
BT_ERR("Wrong link type (%d)", err);
rej.reason = l2cap_err_to_reason(err);
rej.reason = __constant_cpu_to_le16(L2CAP_REJ_NOT_UNDERSTOOD);
l2cap_send_cmd(conn, cmd.ident, L2CAP_COMMAND_REJ,
sizeof(rej), &rej);
}
@ -6446,8 +6377,7 @@ static void l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm,
if (hcon->type != ACL_LINK)
goto drop;
chan = l2cap_global_chan_by_psm(0, psm, &conn->hcon->src,
&conn->hcon->dst);
chan = l2cap_global_chan_by_psm(0, psm, &hcon->src, &hcon->dst);
if (!chan)
goto drop;
@ -6460,7 +6390,7 @@ static void l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm,
goto drop;
/* Store remote BD_ADDR and PSM for msg_name */
bacpy(&bt_cb(skb)->bdaddr, &conn->hcon->dst);
bacpy(&bt_cb(skb)->bdaddr, &hcon->dst);
bt_cb(skb)->psm = psm;
if (!chan->ops->recv(chan, skb))
@ -6480,12 +6410,15 @@ static void l2cap_att_channel(struct l2cap_conn *conn,
goto drop;
chan = l2cap_global_chan_by_scid(BT_CONNECTED, L2CAP_CID_ATT,
&conn->hcon->src, &conn->hcon->dst);
&hcon->src, &hcon->dst);
if (!chan)
goto drop;
BT_DBG("chan %p, len %d", chan, skb->len);
if (hci_blacklist_lookup(hcon->hdev, &hcon->dst, hcon->dst_type))
goto drop;
if (chan->imtu < skb->len)
goto drop;
@ -6682,31 +6615,26 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
}
} else if (chan->state == BT_CONNECT2) {
struct sock *sk = chan->sk;
struct l2cap_conn_rsp rsp;
__u16 res, stat;
lock_sock(sk);
if (!status) {
if (test_bit(FLAG_DEFER_SETUP, &chan->flags)) {
res = L2CAP_CR_PEND;
stat = L2CAP_CS_AUTHOR_PEND;
chan->ops->defer(chan);
} else {
__l2cap_state_change(chan, BT_CONFIG);
l2cap_state_change(chan, BT_CONFIG);
res = L2CAP_CR_SUCCESS;
stat = L2CAP_CS_NO_INFO;
}
} else {
__l2cap_state_change(chan, BT_DISCONN);
l2cap_state_change(chan, BT_DISCONN);
__set_chan_timer(chan, L2CAP_DISC_TIMEOUT);
res = L2CAP_CR_SEC_BLOCK;
stat = L2CAP_CS_NO_INFO;
}
release_sock(sk);
rsp.scid = cpu_to_le16(chan->dcid);
rsp.dcid = cpu_to_le16(chan->scid);
rsp.result = cpu_to_le16(res);
@ -6880,12 +6808,11 @@ int __init l2cap_init(void)
if (err < 0)
return err;
if (bt_debugfs) {
l2cap_debugfs = debugfs_create_file("l2cap", 0444, bt_debugfs,
NULL, &l2cap_debugfs_fops);
if (!l2cap_debugfs)
BT_ERR("Failed to create L2CAP debug file");
}
if (IS_ERR_OR_NULL(bt_debugfs))
return 0;
l2cap_debugfs = debugfs_create_file("l2cap", 0444, bt_debugfs,
NULL, &l2cap_debugfs_fops);
return 0;
}

120
net/bluetooth/l2cap_sock.c
View File

@ -72,6 +72,15 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
if (!bdaddr_type_is_valid(la.l2_bdaddr_type))
return -EINVAL;
if (bdaddr_type_is_le(la.l2_bdaddr_type)) {
/* Connection oriented channels are not supported on LE */
if (la.l2_psm)
return -EINVAL;
/* We only allow ATT user space socket */
if (la.l2_cid != __constant_cpu_to_le16(L2CAP_CID_ATT))
return -EINVAL;
}
lock_sock(sk);
if (sk->sk_state != BT_OPEN) {
@ -150,12 +159,44 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr,
if (!bdaddr_type_is_valid(la.l2_bdaddr_type))
return -EINVAL;
if (chan->src_type == BDADDR_BREDR && la.l2_bdaddr_type != BDADDR_BREDR)
return -EINVAL;
/* Check that the socket wasn't bound to something that
* conflicts with the address given to connect(). If chan->src
* is BDADDR_ANY it means bind() was never used, in which case
* chan->src_type and la.l2_bdaddr_type do not need to match.
*/
if (chan->src_type == BDADDR_BREDR && bacmp(&chan->src, BDADDR_ANY) &&
bdaddr_type_is_le(la.l2_bdaddr_type)) {
/* Old user space versions will try to incorrectly bind
* the ATT socket using BDADDR_BREDR. We need to accept
* this and fix up the source address type only when
* both the source CID and destination CID indicate
* ATT. Anything else is an invalid combination.
*/
if (chan->scid != L2CAP_CID_ATT ||
la.l2_cid != __constant_cpu_to_le16(L2CAP_CID_ATT))
return -EINVAL;
/* We don't have the hdev available here to make a
* better decision on random vs public, but since all
* user space versions that exhibit this issue anyway do
* not support random local addresses assuming public
* here is good enough.
*/
chan->src_type = BDADDR_LE_PUBLIC;
}
if (chan->src_type != BDADDR_BREDR && la.l2_bdaddr_type == BDADDR_BREDR)
return -EINVAL;
if (bdaddr_type_is_le(la.l2_bdaddr_type)) {
/* Connection oriented channels are not supported on LE */
if (la.l2_psm)
return -EINVAL;
/* We only allow ATT user space socket */
if (la.l2_cid != __constant_cpu_to_le16(L2CAP_CID_ATT))
return -EINVAL;
}
err = l2cap_chan_connect(chan, la.l2_psm, __le16_to_cpu(la.l2_cid),
&la.l2_bdaddr, la.l2_bdaddr_type);
if (err)
@ -879,6 +920,38 @@ static void l2cap_sock_kill(struct sock *sk)
sock_put(sk);
}
static int __l2cap_wait_ack(struct sock *sk)
{
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
DECLARE_WAITQUEUE(wait, current);
int err = 0;
int timeo = HZ/5;
add_wait_queue(sk_sleep(sk), &wait);
set_current_state(TASK_INTERRUPTIBLE);
while (chan->unacked_frames > 0 && chan->conn) {
if (!timeo)
timeo = HZ/5;
if (signal_pending(current)) {
err = sock_intr_errno(timeo);
break;
}
release_sock(sk);
timeo = schedule_timeout(timeo);
lock_sock(sk);
set_current_state(TASK_INTERRUPTIBLE);
err = sock_error(sk);
if (err)
break;
}
set_current_state(TASK_RUNNING);
remove_wait_queue(sk_sleep(sk), &wait);
return err;
}
static int l2cap_sock_shutdown(struct socket *sock, int how)
{
struct sock *sk = sock->sk;
@ -969,6 +1042,8 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(struct l2cap_chan *chan)
{
struct sock *sk, *parent = chan->data;
lock_sock(parent);
/* Check for backlog size */
if (sk_acceptq_is_full(parent)) {
BT_DBG("backlog full %d", parent->sk_ack_backlog);
@ -986,6 +1061,8 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(struct l2cap_chan *chan)
bt_accept_enqueue(parent, sk);
release_sock(parent);
return l2cap_pi(sk)->chan;
}
@ -1072,26 +1149,33 @@ static void l2cap_sock_teardown_cb(struct l2cap_chan *chan, int err)
release_sock(sk);
}
static void l2cap_sock_state_change_cb(struct l2cap_chan *chan, int state)
static void l2cap_sock_state_change_cb(struct l2cap_chan *chan, int state,
int err)
{
struct sock *sk = chan->data;
sk->sk_state = state;
if (err)
sk->sk_err = err;
}
static struct sk_buff *l2cap_sock_alloc_skb_cb(struct l2cap_chan *chan,
unsigned long len, int nb)
{
struct sock *sk = chan->data;
struct sk_buff *skb;
int err;
l2cap_chan_unlock(chan);
skb = bt_skb_send_alloc(chan->sk, len, nb, &err);
skb = bt_skb_send_alloc(sk, len, nb, &err);
l2cap_chan_lock(chan);
if (!skb)
return ERR_PTR(err);
bt_cb(skb)->chan = chan;
return skb;
}
@ -1117,11 +1201,15 @@ static void l2cap_sock_ready_cb(struct l2cap_chan *chan)
static void l2cap_sock_defer_cb(struct l2cap_chan *chan)
{
struct sock *sk = chan->data;
struct sock *parent = bt_sk(sk)->parent;
struct sock *parent, *sk = chan->data;
lock_sock(sk);
parent = bt_sk(sk)->parent;
if (parent)
parent->sk_data_ready(parent, 0);
release_sock(sk);
}
static void l2cap_sock_resume_cb(struct l2cap_chan *chan)
@ -1132,6 +1220,22 @@ static void l2cap_sock_resume_cb(struct l2cap_chan *chan)
sk->sk_state_change(sk);
}
static void l2cap_sock_set_shutdown_cb(struct l2cap_chan *chan)
{
struct sock *sk = chan->data;
lock_sock(sk);
sk->sk_shutdown = SHUTDOWN_MASK;
release_sock(sk);
}
static long l2cap_sock_get_sndtimeo_cb(struct l2cap_chan *chan)
{
struct sock *sk = chan->data;
return sk->sk_sndtimeo;
}
static struct l2cap_ops l2cap_chan_ops = {
.name = "L2CAP Socket Interface",
.new_connection = l2cap_sock_new_connection_cb,
@ -1142,6 +1246,8 @@ static struct l2cap_ops l2cap_chan_ops = {
.ready = l2cap_sock_ready_cb,
.defer = l2cap_sock_defer_cb,
.resume = l2cap_sock_resume_cb,
.set_shutdown = l2cap_sock_set_shutdown_cb,
.get_sndtimeo = l2cap_sock_get_sndtimeo_cb,
.alloc_skb = l2cap_sock_alloc_skb_cb,
};
@ -1268,8 +1374,6 @@ static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock,
l2cap_chan_hold(chan);
chan->sk = sk;
l2cap_pi(sk)->chan = chan;
return sk;

639
net/bluetooth/mgmt.c
View File

File diff suppressed because it is too large Load Diff

14
net/bluetooth/rfcomm/core.c
View File

@ -2154,13 +2154,6 @@ static int __init rfcomm_init(void)
goto unregister;
}
if (bt_debugfs) {
rfcomm_dlc_debugfs = debugfs_create_file("rfcomm_dlc", 0444,
bt_debugfs, NULL, &rfcomm_dlc_debugfs_fops);
if (!rfcomm_dlc_debugfs)
BT_ERR("Failed to create RFCOMM debug file");
}
err = rfcomm_init_ttys();
if (err < 0)
goto stop;
@ -2171,6 +2164,13 @@ static int __init rfcomm_init(void)
BT_INFO("RFCOMM ver %s", VERSION);
if (IS_ERR_OR_NULL(bt_debugfs))
return 0;
rfcomm_dlc_debugfs = debugfs_create_file("rfcomm_dlc", 0444,
bt_debugfs, NULL,
&rfcomm_dlc_debugfs_fops);
return 0;
cleanup:

14
net/bluetooth/rfcomm/sock.c
View File

@ -1051,15 +1051,15 @@ int __init rfcomm_init_sockets(void)
goto error;
}
if (bt_debugfs) {
rfcomm_sock_debugfs = debugfs_create_file("rfcomm", 0444,
bt_debugfs, NULL, &rfcomm_sock_debugfs_fops);
if (!rfcomm_sock_debugfs)
BT_ERR("Failed to create RFCOMM debug file");
}
BT_INFO("RFCOMM socket layer initialized");
if (IS_ERR_OR_NULL(bt_debugfs))
return 0;
rfcomm_sock_debugfs = debugfs_create_file("rfcomm", 0444,
bt_debugfs, NULL,
&rfcomm_sock_debugfs_fops);
return 0;
error:

13
net/bluetooth/sco.c
View File

@ -1177,15 +1177,14 @@ int __init sco_init(void)
goto error;
}
if (bt_debugfs) {
sco_debugfs = debugfs_create_file("sco", 0444, bt_debugfs,
NULL, &sco_debugfs_fops);
if (!sco_debugfs)
BT_ERR("Failed to create SCO debug file");
}
BT_INFO("SCO socket layer initialized");
if (IS_ERR_OR_NULL(bt_debugfs))
return 0;
sco_debugfs = debugfs_create_file("sco", 0444, bt_debugfs,
NULL, &sco_debugfs_fops);
return 0;
error:

4
net/bluetooth/smp.c
View File

@ -856,7 +856,7 @@ int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb)
if (hcon->type != LE_LINK) {
kfree_skb(skb);
return -ENOTSUPP;
return 0;
}
if (skb->len < 1) {
@ -864,7 +864,7 @@ int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb)
return -EILSEQ;
}
if (!test_bit(HCI_LE_ENABLED, &conn->hcon->hdev->dev_flags)) {
if (!test_bit(HCI_LE_ENABLED, &hcon->hdev->dev_flags)) {
err = -ENOTSUPP;
reason = SMP_PAIRING_NOTSUPP;
goto done;