Commit 5f1764dd authored by David S. Miller's avatar David S. Miller

Merge branch 'for-upstream' of...

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

Johan Hedberg says:

====================
Here's another set of Bluetooth & ieee802154 patches intended for 4.1:

 - Added support for QCA ROME chipset family in the btusb driver
 - at86rf230 driver fixes & cleanups
 - ieee802154 cleanups
 - Refactoring of Bluetooth mgmt API to allow new users
 - New setting for static Bluetooth address exposed to user space
 - Refactoring of hci_dev flags to remove limit of 32
 - Remove unnecessary fast-connectable setting usage restrictions
 - Fix behavior to be consistent when trying to pair already paired device
 - Service discovery corner-case fixes

Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 2801be4a b6d595e3
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This diff is collapsed.
......@@ -30,6 +30,7 @@
#define IEEE802154_MTU 127
#define IEEE802154_ACK_PSDU_LEN 5
#define IEEE802154_MIN_PSDU_LEN 9
#define IEEE802154_FCS_LEN 2
#define IEEE802154_PAN_ID_BROADCAST 0xffff
#define IEEE802154_ADDR_SHORT_BROADCAST 0xffff
......@@ -39,6 +40,7 @@
#define IEEE802154_LIFS_PERIOD 40
#define IEEE802154_SIFS_PERIOD 12
#define IEEE802154_MAX_SIFS_FRAME_SIZE 18
#define IEEE802154_MAX_CHANNEL 26
#define IEEE802154_MAX_PAGE 31
......
......@@ -354,6 +354,9 @@ void l2cap_exit(void);
int sco_init(void);
void sco_exit(void);
int mgmt_init(void);
void mgmt_exit(void);
void bt_sock_reclassify_lock(struct sock *sk, int proto);
#endif /* __BLUETOOTH_H */
......@@ -179,15 +179,6 @@ enum {
HCI_RESET,
};
/* BR/EDR and/or LE controller flags: the flags defined here should represent
* states configured via debugfs for debugging and testing purposes only.
*/
enum {
HCI_DUT_MODE,
HCI_FORCE_BREDR_SMP,
HCI_FORCE_STATIC_ADDR,
};
/*
* BR/EDR and/or LE controller flags: the flags defined here should represent
* states from the controller.
......@@ -217,6 +208,7 @@ enum {
HCI_HS_ENABLED,
HCI_LE_ENABLED,
HCI_ADVERTISING,
HCI_ADVERTISING_CONNECTABLE,
HCI_CONNECTABLE,
HCI_DISCOVERABLE,
HCI_LIMITED_DISCOVERABLE,
......@@ -225,13 +217,13 @@ enum {
HCI_FAST_CONNECTABLE,
HCI_BREDR_ENABLED,
HCI_LE_SCAN_INTERRUPTED,
};
/* A mask for the flags that are supposed to remain when a reset happens
* or the HCI device is closed.
*/
#define HCI_PERSISTENT_MASK (BIT(HCI_LE_SCAN) | BIT(HCI_PERIODIC_INQ) | \
BIT(HCI_FAST_CONNECTABLE) | BIT(HCI_LE_ADV))
HCI_DUT_MODE,
HCI_FORCE_BREDR_SMP,
HCI_FORCE_STATIC_ADDR,
__HCI_NUM_FLAGS,
};
/* HCI timeouts */
#define HCI_DISCONN_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */
......
......@@ -76,6 +76,7 @@ struct discovery_state {
u8 last_adv_data[HCI_MAX_AD_LENGTH];
u8 last_adv_data_len;
bool report_invalid_rssi;
bool result_filtering;
s8 rssi;
u16 uuid_count;
u8 (*uuids)[16];
......@@ -352,8 +353,7 @@ struct hci_dev {
struct rfkill *rfkill;
unsigned long dbg_flags;
unsigned long dev_flags;
DECLARE_BITMAP(dev_flags, __HCI_NUM_FLAGS);
struct delayed_work le_scan_disable;
struct delayed_work le_scan_restart;
......@@ -501,6 +501,21 @@ extern struct list_head hci_cb_list;
extern rwlock_t hci_dev_list_lock;
extern struct mutex hci_cb_list_lock;
#define hci_dev_set_flag(hdev, nr) set_bit((nr), (hdev)->dev_flags)
#define hci_dev_clear_flag(hdev, nr) clear_bit((nr), (hdev)->dev_flags)
#define hci_dev_change_flag(hdev, nr) change_bit((nr), (hdev)->dev_flags)
#define hci_dev_test_flag(hdev, nr) test_bit((nr), (hdev)->dev_flags)
#define hci_dev_test_and_set_flag(hdev, nr) test_and_set_bit((nr), (hdev)->dev_flags)
#define hci_dev_test_and_clear_flag(hdev, nr) test_and_clear_bit((nr), (hdev)->dev_flags)
#define hci_dev_test_and_change_flag(hdev, nr) test_and_change_bit((nr), (hdev)->dev_flags)
#define hci_dev_clear_volatile_flags(hdev) \
do { \
hci_dev_clear_flag(hdev, HCI_LE_SCAN); \
hci_dev_clear_flag(hdev, HCI_LE_ADV); \
hci_dev_clear_flag(hdev, HCI_PERIODIC_INQ); \
} while (0)
/* ----- HCI interface to upper protocols ----- */
int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
int l2cap_disconn_ind(struct hci_conn *hcon);
......@@ -525,6 +540,7 @@ static inline void discovery_init(struct hci_dev *hdev)
static inline void hci_discovery_filter_clear(struct hci_dev *hdev)
{
hdev->discovery.result_filtering = false;
hdev->discovery.report_invalid_rssi = true;
hdev->discovery.rssi = HCI_RSSI_INVALID;
hdev->discovery.uuid_count = 0;
......@@ -596,14 +612,14 @@ enum {
static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)
{
struct hci_dev *hdev = conn->hdev;
return test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
return hci_dev_test_flag(hdev, HCI_SSP_ENABLED) &&
test_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
}
static inline bool hci_conn_sc_enabled(struct hci_conn *conn)
{
struct hci_dev *hdev = conn->hdev;
return test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
return hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
test_bit(HCI_CONN_SC_ENABLED, &conn->flags);
}
......@@ -965,6 +981,8 @@ struct smp_irk *hci_add_irk(struct hci_dev *hdev, bdaddr_t *bdaddr,
void hci_remove_irk(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 addr_type);
void hci_smp_irks_clear(struct hci_dev *hdev);
bool hci_bdaddr_is_paired(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type);
void hci_remote_oob_data_clear(struct hci_dev *hdev);
struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev,
bdaddr_t *bdaddr, u8 bdaddr_type);
......@@ -1021,10 +1039,10 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
#define lmp_host_le_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE))
#define lmp_host_le_br_capable(dev) (!!((dev)->features[1][0] & LMP_HOST_LE_BREDR))
#define hdev_is_powered(hdev) (test_bit(HCI_UP, &hdev->flags) && \
!test_bit(HCI_AUTO_OFF, &hdev->dev_flags))
#define hdev_is_powered(dev) (test_bit(HCI_UP, &(dev)->flags) && \
!hci_dev_test_flag(dev, HCI_AUTO_OFF))
#define bredr_sc_enabled(dev) (lmp_sc_capable(dev) && \
test_bit(HCI_SC_ENABLED, &(dev)->dev_flags))
hci_dev_test_flag(dev, HCI_SC_ENABLED))
/* ----- HCI protocols ----- */
#define HCI_PROTO_DEFER 0x01
......@@ -1271,6 +1289,27 @@ void hci_send_to_monitor(struct hci_dev *hdev, struct sk_buff *skb);
void hci_sock_dev_event(struct hci_dev *hdev, int event);
#define HCI_MGMT_VAR_LEN (1 << 0)
#define HCI_MGMT_NO_HDEV (1 << 1)
#define HCI_MGMT_UNCONFIGURED (1 << 2)
struct hci_mgmt_handler {
int (*func) (struct sock *sk, struct hci_dev *hdev, void *data,
u16 data_len);
size_t data_len;
unsigned long flags;
};
struct hci_mgmt_chan {
struct list_head list;
unsigned short channel;
size_t handler_count;
const struct hci_mgmt_handler *handlers;
};
int hci_mgmt_chan_register(struct hci_mgmt_chan *c);
void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c);
/* Management interface */
#define DISCOV_TYPE_BREDR (BIT(BDADDR_BREDR))
#define DISCOV_TYPE_LE (BIT(BDADDR_LE_PUBLIC) | \
......@@ -1290,7 +1329,9 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event);
#define DISCOV_BREDR_INQUIRY_LEN 0x08
#define DISCOV_LE_RESTART_DELAY msecs_to_jiffies(200) /* msec */
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t len);
int mgmt_control(struct hci_mgmt_chan *chan, struct sock *sk,
struct msghdr *msg, size_t msglen);
int mgmt_new_settings(struct hci_dev *hdev);
void mgmt_index_added(struct hci_dev *hdev);
void mgmt_index_removed(struct hci_dev *hdev);
......
......@@ -43,6 +43,7 @@
#define MGMT_STATUS_CANCELLED 0x10
#define MGMT_STATUS_INVALID_INDEX 0x11
#define MGMT_STATUS_RFKILLED 0x12
#define MGMT_STATUS_ALREADY_PAIRED 0x13
struct mgmt_hdr {
__le16 opcode;
......@@ -98,6 +99,7 @@ struct mgmt_rp_read_index_list {
#define MGMT_SETTING_DEBUG_KEYS 0x00001000
#define MGMT_SETTING_PRIVACY 0x00002000
#define MGMT_SETTING_CONFIGURATION 0x00004000
#define MGMT_SETTING_STATIC_ADDRESS 0x00008000
#define MGMT_OP_READ_INFO 0x0004
#define MGMT_READ_INFO_SIZE 0
......
......@@ -749,6 +749,13 @@ static int __init bt_init(void)
goto sock_err;
}
err = mgmt_init();
if (err < 0) {
sco_exit();
l2cap_exit();
goto sock_err;
}
return 0;
sock_err:
......@@ -763,6 +770,8 @@ static int __init bt_init(void)
static void __exit bt_exit(void)
{
mgmt_exit();
sco_exit();
l2cap_exit();
......
......@@ -571,7 +571,7 @@ struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src)
list_for_each_entry(d, &hci_dev_list, list) {
if (!test_bit(HCI_UP, &d->flags) ||
test_bit(HCI_USER_CHANNEL, &d->dev_flags) ||
hci_dev_test_flag(d, HCI_USER_CHANNEL) ||
d->dev_type != HCI_BREDR)
continue;
......@@ -700,7 +700,7 @@ static void hci_req_directed_advertising(struct hci_request *req,
* and write a new random address. The flag will be set back on
* as soon as the SET_ADV_ENABLE HCI command completes.
*/
clear_bit(HCI_LE_ADV, &hdev->dev_flags);
hci_dev_clear_flag(hdev, HCI_LE_ADV);
/* Set require_privacy to false so that the remote device has a
* chance of identifying us.
......@@ -734,7 +734,7 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
int err;
/* Let's make sure that le is enabled.*/
if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) {
if (lmp_le_capable(hdev))
return ERR_PTR(-ECONNREFUSED);
......@@ -799,7 +799,7 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
* anyway have to disable it in order to start directed
* advertising.
*/
if (test_bit(HCI_LE_ADV, &hdev->dev_flags)) {
if (hci_dev_test_flag(hdev, HCI_LE_ADV)) {
u8 enable = 0x00;
hci_req_add(&req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable),
&enable);
......@@ -810,7 +810,7 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
/* If we're active scanning most controllers are unable
* to initiate advertising. Simply reject the attempt.
*/
if (test_bit(HCI_LE_SCAN, &hdev->dev_flags) &&
if (hci_dev_test_flag(hdev, HCI_LE_SCAN) &&
hdev->le_scan_type == LE_SCAN_ACTIVE) {
skb_queue_purge(&req.cmd_q);
hci_conn_del(conn);
......@@ -840,9 +840,9 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst,
* handler for scan disabling knows to set the correct discovery
* state.
*/
if (test_bit(HCI_LE_SCAN, &hdev->dev_flags)) {
if (hci_dev_test_flag(hdev, HCI_LE_SCAN)) {
hci_req_add_le_scan_disable(&req);
set_bit(HCI_LE_SCAN_INTERRUPTED, &hdev->dev_flags);
hci_dev_set_flag(hdev, HCI_LE_SCAN_INTERRUPTED);
}
hci_req_add_le_create_conn(&req, conn);
......@@ -864,7 +864,7 @@ struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst,
{
struct hci_conn *acl;
if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) {
if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED)) {
if (lmp_bredr_capable(hdev))
return ERR_PTR(-ECONNREFUSED);
......@@ -942,7 +942,7 @@ int hci_conn_check_link_mode(struct hci_conn *conn)
* Connections is used and the link is encrypted with AES-CCM
* using a P-256 authenticated combination key.
*/
if (test_bit(HCI_SC_ONLY, &conn->hdev->flags)) {
if (hci_dev_test_flag(conn->hdev, HCI_SC_ONLY)) {
if (!hci_conn_sc_enabled(conn) ||
!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
conn->key_type != HCI_LK_AUTH_COMBINATION_P256)
......
This diff is collapsed.
......@@ -247,7 +247,7 @@ static ssize_t use_debug_keys_read(struct file *file, char __user *user_buf,
struct hci_dev *hdev = file->private_data;
char buf[3];
buf[0] = test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags) ? 'Y': 'N';
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);
......@@ -265,7 +265,7 @@ static ssize_t sc_only_mode_read(struct file *file, char __user *user_buf,
struct hci_dev *hdev = file->private_data;
char buf[3];
buf[0] = test_bit(HCI_SC_ONLY, &hdev->dev_flags) ? 'Y': 'N';
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);
......@@ -679,7 +679,7 @@ static ssize_t force_static_address_read(struct file *file,
struct hci_dev *hdev = file->private_data;
char buf[3];
buf[0] = test_bit(HCI_FORCE_STATIC_ADDR, &hdev->dbg_flags) ? 'Y': 'N';
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);
......@@ -704,10 +704,10 @@ static ssize_t force_static_address_write(struct file *file,
if (strtobool(buf, &enable))
return -EINVAL;
if (enable == test_bit(HCI_FORCE_STATIC_ADDR, &hdev->dbg_flags))
if (enable == hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR))
return -EALREADY;
change_bit(HCI_FORCE_STATIC_ADDR, &hdev->dbg_flags);
hci_dev_change_flag(hdev, HCI_FORCE_STATIC_ADDR);
return count;
}
......
This diff is collapsed.
......@@ -270,7 +270,7 @@ void hci_req_add_le_passive_scan(struct hci_request *req)
* and 0x01 (whitelist enabled) use the new filter policies
* 0x02 (no whitelist) and 0x03 (whitelist enabled).
*/
if (test_bit(HCI_PRIVACY, &hdev->dev_flags) &&
if (hci_dev_test_flag(hdev, HCI_PRIVACY) &&
(hdev->le_features[0] & HCI_LE_EXT_SCAN_POLICY))
filter_policy |= 0x02;
......@@ -304,10 +304,10 @@ static void set_random_addr(struct hci_request *req, bdaddr_t *rpa)
* In this kind of scenario skip the update and let the random
* address be updated at the next cycle.
*/
if (test_bit(HCI_LE_ADV, &hdev->dev_flags) ||
if (hci_dev_test_flag(hdev, HCI_LE_ADV) ||
hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT)) {
BT_DBG("Deferring random address update");
set_bit(HCI_RPA_EXPIRED, &hdev->dev_flags);
hci_dev_set_flag(hdev, HCI_RPA_EXPIRED);
return;
}
......@@ -324,12 +324,12 @@ int hci_update_random_address(struct hci_request *req, bool require_privacy,
* current RPA has expired or there is something else than
* the current RPA in use, then generate a new one.
*/
if (test_bit(HCI_PRIVACY, &hdev->dev_flags)) {
if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
int to;
*own_addr_type = ADDR_LE_DEV_RANDOM;
if (!test_and_clear_bit(HCI_RPA_EXPIRED, &hdev->dev_flags) &&
if (!hci_dev_test_and_clear_flag(hdev, HCI_RPA_EXPIRED) &&
!bacmp(&hdev->random_addr, &hdev->rpa))
return 0;
......@@ -383,9 +383,9 @@ int hci_update_random_address(struct hci_request *req, bool require_privacy,
* and a static address has been configured, then use that
* address instead of the public BR/EDR address.
*/
if (test_bit(HCI_FORCE_STATIC_ADDR, &hdev->dbg_flags) ||
if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
!bacmp(&hdev->bdaddr, BDADDR_ANY) ||
(!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) &&
(!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
bacmp(&hdev->static_addr, BDADDR_ANY))) {
*own_addr_type = ADDR_LE_DEV_RANDOM;
if (bacmp(&hdev->static_addr, &hdev->random_addr))
......@@ -425,7 +425,7 @@ void __hci_update_page_scan(struct hci_request *req)
struct hci_dev *hdev = req->hdev;
u8 scan;
if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags))
if (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED))
return;
if (!hdev_is_powered(hdev))
......@@ -434,7 +434,7 @@ void __hci_update_page_scan(struct hci_request *req)
if (mgmt_powering_down(hdev))
return;
if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags) ||
if (hci_dev_test_flag(hdev, HCI_CONNECTABLE) ||
disconnected_whitelist_entries(hdev))
scan = SCAN_PAGE;
else
......@@ -443,7 +443,7 @@ void __hci_update_page_scan(struct hci_request *req)
if (test_bit(HCI_PSCAN, &hdev->flags) == !!(scan & SCAN_PAGE))
return;
if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
if (hci_dev_test_flag(hdev, HCI_DISCOVERABLE))
scan |= SCAN_INQUIRY;
hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
......@@ -471,14 +471,14 @@ void __hci_update_background_scan(struct hci_request *req)
if (!test_bit(HCI_UP, &hdev->flags) ||
test_bit(HCI_INIT, &hdev->flags) ||
test_bit(HCI_SETUP, &hdev->dev_flags) ||
test_bit(HCI_CONFIG, &hdev->dev_flags) ||
test_bit(HCI_AUTO_OFF, &hdev->dev_flags) ||
test_bit(HCI_UNREGISTER, &hdev->dev_flags))
hci_dev_test_flag(hdev, HCI_SETUP) ||
hci_dev_test_flag(hdev, HCI_CONFIG) ||
hci_dev_test_flag(hdev, HCI_AUTO_OFF) ||
hci_dev_test_flag(hdev, HCI_UNREGISTER))
return;
/* No point in doing scanning if LE support hasn't been enabled */
if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
return;
/* If discovery is active don't interfere with it */
......@@ -502,7 +502,7 @@ void __hci_update_background_scan(struct hci_request *req)
*/
/* If controller is not scanning we are done. */
if (!test_bit(HCI_LE_SCAN, &hdev->dev_flags))
if (!hci_dev_test_flag(hdev, HCI_LE_SCAN))
return;
hci_req_add_le_scan_disable(req);
......@@ -524,7 +524,7 @@ void __hci_update_background_scan(struct hci_request *req)
/* If controller is currently scanning, we stop it to ensure we
* don't miss any advertising (due to duplicates filter).
*/
if (test_bit(HCI_LE_SCAN, &hdev->dev_flags))
if (hci_dev_test_flag(hdev, HCI_LE_SCAN))
hci_req_add_le_scan_disable(req);
hci_req_add_le_passive_scan(req);
......
......@@ -31,6 +31,9 @@
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/hci_mon.h>
static LIST_HEAD(mgmt_chan_list);
static DEFINE_MUTEX(mgmt_chan_list_lock);
static atomic_t monitor_promisc = ATOMIC_INIT(0);
/* ----- HCI socket interface ----- */
......@@ -401,6 +404,56 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event)
}
}
static struct hci_mgmt_chan *__hci_mgmt_chan_find(unsigned short channel)
{
struct hci_mgmt_chan *c;
list_for_each_entry(c, &mgmt_chan_list, list) {
if (c->channel == channel)
return c;
}
return NULL;
}
static struct hci_mgmt_chan *hci_mgmt_chan_find(unsigned short channel)
{
struct hci_mgmt_chan *c;
mutex_lock(&mgmt_chan_list_lock);
c = __hci_mgmt_chan_find(channel);
mutex_unlock(&mgmt_chan_list_lock);
return c;
}
int hci_mgmt_chan_register(struct hci_mgmt_chan *c)
{
if (c->channel < HCI_CHANNEL_CONTROL)
return -EINVAL;
mutex_lock(&mgmt_chan_list_lock);
if (__hci_mgmt_chan_find(c->channel)) {
mutex_unlock(&mgmt_chan_list_lock);
return -EALREADY;
}
list_add_tail(&c->list, &mgmt_chan_list);
mutex_unlock(&mgmt_chan_list_lock);
return 0;
}
EXPORT_SYMBOL(hci_mgmt_chan_register);
void hci_mgmt_chan_unregister(struct hci_mgmt_chan *c)
{
mutex_lock(&mgmt_chan_list_lock);
list_del(&c->list);
mutex_unlock(&mgmt_chan_list_lock);
}
EXPORT_SYMBOL(hci_mgmt_chan_unregister);
static int hci_sock_release(struct socket *sock)
{
struct sock *sk = sock->sk;
......@@ -421,7 +474,7 @@ static int hci_sock_release(struct socket *sock)
if (hdev) {
if (hci_pi(sk)->channel == HCI_CHANNEL_USER) {
mgmt_index_added(hdev);
clear_bit(HCI_USER_CHANNEL, &hdev->dev_flags);
hci_dev_clear_flag(hdev, HCI_USER_CHANNEL);
hci_dev_close(hdev->id);
}
......@@ -481,10 +534,10 @@ static int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd,
if (!hdev)
return -EBADFD;
if (test_bit(HCI_USER_CHANNEL, &hdev->dev_flags))
if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL))
return -EBUSY;
if (test_bit(HCI_UNCONFIGURED, &hdev->dev_flags))
if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED))
return -EOPNOTSUPP;
if (hdev->dev_type != HCI_BREDR)
......@@ -660,14 +713,14 @@ static int hci_sock_bind(struct socket *sock, struct sockaddr *addr,
if (test_bit(HCI_UP, &hdev->flags) ||
test_bit(HCI_INIT, &hdev->flags) ||
test_bit(HCI_SETUP, &hdev->dev_flags) ||
test_bit(HCI_CONFIG, &hdev->dev_flags)) {
hci_dev_test_flag(hdev, HCI_SETUP) ||
hci_dev_test_flag(hdev, HCI_CONFIG)) {
err = -EBUSY;
hci_dev_put(hdev);
goto done;
}
if (test_and_set_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
if (hci_dev_test_and_set_flag(hdev, HCI_USER_CHANNEL)) {
err = -EUSERS;
hci_dev_put(hdev);
goto done;
......@@ -677,7 +730,7 @@ static int hci_sock_bind(struct socket *sock, struct sockaddr *addr,
err = hci_dev_open(hdev->id);
if (err) {
clear_bit(HCI_USER_CHANNEL, &hdev->dev_flags);
hci_dev_clear_flag(hdev, HCI_USER_CHANNEL);
mgmt_index_added(hdev);
hci_dev_put(hdev);
goto done;
......@@ -688,38 +741,39 @@ static int hci_sock_bind(struct socket *sock, struct sockaddr *addr,
hci_pi(sk)->hdev = hdev;
break;
case HCI_CHANNEL_CONTROL:
case HCI_CHANNEL_MONITOR:
if (haddr.hci_dev != HCI_DEV_NONE) {
err = -EINVAL;
goto done;
}
if (!capable(CAP_NET_ADMIN)) {
if (!capable(CAP_NET_RAW)) {
err = -EPERM;
goto done;
}
send_monitor_replay(sk);
atomic_inc(&monitor_promisc);
break;
case HCI_CHANNEL_MONITOR:
default:
if (!hci_mgmt_chan_find(haddr.hci_channel)) {
err = -EINVAL;
goto done;
}
if (haddr.hci_dev != HCI_DEV_NONE) {
err = -EINVAL;
goto done;
}
if (!capable(CAP_NET_RAW)) {
if (!capable(CAP_NET_ADMIN)) {
err = -EPERM;
goto done;
}
send_monitor_replay(sk);
atomic_inc(&monitor_promisc);
break;
default:
err = -EINVAL;
goto done;
}
......@@ -833,10 +887,13 @@ static int hci_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
hci_sock_cmsg(sk, msg, skb);
break;
case HCI_CHANNEL_USER:
case HCI_CHANNEL_CONTROL:
case HCI_CHANNEL_MONITOR:
sock_recv_timestamp(msg, sk, skb);
break;
default:
if (hci_mgmt_chan_find(hci_pi(sk)->channel))
sock_recv_timestamp(msg, sk, skb);
break;
}
skb_free_datagram(sk, skb);
......@@ -848,6 +905,7 @@ static int hci_sock_sendmsg(struct socket *sock, struct msghdr *msg,
size_t len)
{
struct sock *sk = sock->sk;
struct hci_mgmt_chan *chan;
struct hci_dev *hdev;
struct sk_buff *skb;
int err;
......@@ -869,14 +927,18 @@ static int hci_sock_sendmsg(struct socket *sock, struct msghdr *msg,
case HCI_CHANNEL_RAW:
case HCI_CHANNEL_USER:
break;
case HCI_CHANNEL_CONTROL:
err = mgmt_control(sk, msg, len);
goto done;
case HCI_CHANNEL_MONITOR:
err = -EOPNOTSUPP;
goto done;
default:
mutex_lock(&mgmt_chan_list_lock);
chan = __hci_mgmt_chan_find(hci_pi(sk)->channel);
if (chan)
err = mgmt_control(chan, sk, msg, len);
else
err = -EINVAL;
mutex_unlock(&mgmt_chan_list_lock);
goto done;
}
......
......@@ -3900,7 +3900,7 @@ static int l2cap_connect_req(struct l2cap_conn *conn,
return -EPROTO;
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
if (hci_dev_test_flag(hdev, HCI_MGMT) &&
!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &hcon->flags))
mgmt_device_connected(hdev, hcon, 0, NULL, 0);
hci_dev_unlock(hdev);
......@@ -6987,12 +6987,12 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon)
conn->local_fixed_chan = L2CAP_FC_SIG_BREDR | L2CAP_FC_CONNLESS;
if (hcon->type == ACL_LINK &&
test_bit(HCI_HS_ENABLED, &hcon->hdev->dev_flags))
hci_dev_test_flag(hcon->hdev, HCI_HS_ENABLED))
conn->local_fixed_chan |= L2CAP_FC_A2MP;
if (test_bit(HCI_LE_ENABLED, &hcon->hdev->dev_flags) &&
if (hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED) &&
(bredr_sc_enabled(hcon->hdev) ||
test_bit(HCI_FORCE_BREDR_SMP, &hcon->hdev->dbg_flags)))
hci_dev_test_flag(hcon->hdev, HCI_FORCE_BREDR_SMP)))
conn->local_fixed_chan |= L2CAP_FC_SMP_BREDR;
mutex_init(&conn->ident_lock);
......@@ -7112,7 +7112,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid,
else
dst_type = ADDR_LE_DEV_RANDOM;
if (test_bit(HCI_ADVERTISING, &hdev->dev_flags))
if (hci_dev_test_flag(hdev, HCI_ADVERTISING))
role = HCI_ROLE_SLAVE;
else
role = HCI_ROLE_MASTER;
......
This diff is collapsed.
......@@ -1231,7 +1231,7 @@ int __init sco_init(void)
return err;
}
void __exit sco_exit(void)
void sco_exit(void)
{
bt_procfs_cleanup(&init_net, "sco");
......
......@@ -52,7 +52,7 @@
#define SMP_TIMEOUT msecs_to_jiffies(30000)
#define AUTH_REQ_MASK(dev) (test_bit(HCI_SC_ENABLED, &(dev)->dev_flags) ? \
#define AUTH_REQ_MASK(dev) (hci_dev_test_flag(dev, HCI_SC_ENABLED) ? \
0x1f : 0x07)
#define KEY_DIST_MASK 0x07
......@@ -589,7 +589,7 @@ static void build_pairing_cmd(struct l2cap_conn *conn,
struct hci_dev *hdev = hcon->hdev;
u8 local_dist = 0, remote_dist = 0, oob_flag = SMP_OOB_NOT_PRESENT;
if (test_bit(HCI_BONDABLE, &conn->hcon->hdev->dev_flags)) {
if (hci_dev_test_flag(hdev, HCI_BONDABLE)) {
local_dist = SMP_DIST_ENC_KEY | SMP_DIST_SIGN;
remote_dist = SMP_DIST_ENC_KEY | SMP_DIST_SIGN;
authreq |= SMP_AUTH_BONDING;
......@@ -597,18 +597,18 @@ static void build_pairing_cmd(struct l2cap_conn *conn,
authreq &= ~SMP_AUTH_BONDING;
}
if (test_bit(HCI_RPA_RESOLVING, &hdev->dev_flags))
if (hci_dev_test_flag(hdev, HCI_RPA_RESOLVING))
remote_dist |= SMP_DIST_ID_KEY;
if (test_bit(HCI_PRIVACY, &hdev->dev_flags))
if (hci_dev_test_flag(hdev, HCI_PRIVACY))
local_dist |= SMP_DIST_ID_KEY;
if (test_bit(HCI_SC_ENABLED, &hdev->dev_flags) &&
if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
(authreq & SMP_AUTH_SC)) {
struct oob_data *oob_data;
u8 bdaddr_type;
if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
local_dist |= SMP_DIST_LINK_KEY;
remote_dist |= SMP_DIST_LINK_KEY;
}
......@@ -692,7 +692,7 @@ static void smp_chan_destroy(struct l2cap_conn *conn)
* support hasn't been explicitly enabled.
*/
if (smp->ltk && smp->ltk->type == SMP_LTK_P256_DEBUG &&
!test_bit(HCI_KEEP_DEBUG_KEYS, &hcon->hdev->dev_flags)) {
!hci_dev_test_flag(hcon->hdev, HCI_KEEP_DEBUG_KEYS)) {
list_del_rcu(&smp->ltk->list);
kfree_rcu(smp->ltk, rcu);
smp->ltk = NULL;
......@@ -1052,7 +1052,7 @@ static void smp_notify_keys(struct l2cap_conn *conn)
/* Don't keep debug keys around if the relevant
* flag is not set.
*/
if (!test_bit(HCI_KEEP_DEBUG_KEYS, &hdev->dev_flags) &&
if (!hci_dev_test_flag(hdev, HCI_KEEP_DEBUG_KEYS) &&
key->type == HCI_LK_DEBUG_COMBINATION) {
list_del_rcu(&key->list);
kfree_rcu(key, rcu);
......@@ -1604,15 +1604,15 @@ static void build_bredr_pairing_cmd(struct smp_chan *smp,
struct hci_dev *hdev = conn->hcon->hdev;
u8 local_dist = 0, remote_dist = 0;
if (test_bit(HCI_BONDABLE, &hdev->dev_flags)) {
if (hci_dev_test_flag(hdev, HCI_BONDABLE)) {
local_dist = SMP_DIST_ENC_KEY | SMP_DIST_SIGN;
remote_dist = SMP_DIST_ENC_KEY | SMP_DIST_SIGN;
}
if (test_bit(HCI_RPA_RESOLVING, &hdev->dev_flags))
if (hci_dev_test_flag(hdev, HCI_RPA_RESOLVING))
remote_dist |= SMP_DIST_ID_KEY;
if (test_bit(HCI_PRIVACY, &hdev->dev_flags))
if (hci_dev_test_flag(hdev, HCI_PRIVACY))
local_dist |= SMP_DIST_ID_KEY;
if (!rsp) {
......@@ -1664,11 +1664,11 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb)
/* We didn't start the pairing, so match remote */
auth = req->auth_req & AUTH_REQ_MASK(hdev);
if (!test_bit(HCI_BONDABLE, &hdev->dev_flags) &&
if (!hci_dev_test_flag(hdev, HCI_BONDABLE) &&
(auth & SMP_AUTH_BONDING))
return SMP_PAIRING_NOTSUPP;
if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) && !(auth & SMP_AUTH_SC))
if (hci_dev_test_flag(hdev, HCI_SC_ONLY) && !(auth & SMP_AUTH_SC))
return SMP_AUTH_REQUIREMENTS;
smp->preq[0] = SMP_CMD_PAIRING_REQ;
......@@ -1679,7 +1679,7 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb)
if (conn->hcon->type == ACL_LINK) {
/* We must have a BR/EDR SC link */
if (!test_bit(HCI_CONN_AES_CCM, &conn->hcon->flags) &&
!test_bit(HCI_FORCE_BREDR_SMP, &hdev->dbg_flags))
!hci_dev_test_flag(hdev, HCI_FORCE_BREDR_SMP))
return SMP_CROSS_TRANSP_NOT_ALLOWED;
set_bit(SMP_FLAG_SC, &smp->flags);
......@@ -1743,10 +1743,10 @@ static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb)
smp->remote_key_dist &= ~SMP_SC_NO_DIST;
/* Wait for Public Key from Initiating Device */
return 0;
} else {
SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_CONFIRM);
}
SMP_ALLOW_CMD(smp, SMP_CMD_PAIRING_CONFIRM);
/* Request setup of TK */
ret = tk_request(conn, 0, auth, rsp.io_capability, req->io_capability);
if (ret)
......@@ -1761,7 +1761,7 @@ static u8 sc_send_public_key(struct smp_chan *smp)
BT_DBG("");
if (test_bit(HCI_USE_DEBUG_KEYS, &hdev->dev_flags)) {
if (hci_dev_test_flag(hdev, HCI_USE_DEBUG_KEYS)) {
BT_DBG("Using debug keys");
memcpy(smp->local_pk, debug_pk, 64);
memcpy(smp->local_sk, debug_sk, 32);
......@@ -1816,7 +1816,7 @@ static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb)
auth = rsp->auth_req & AUTH_REQ_MASK(hdev);
if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) && !(auth & SMP_AUTH_SC))
if (hci_dev_test_flag(hdev, HCI_SC_ONLY) && !(auth & SMP_AUTH_SC))
return SMP_AUTH_REQUIREMENTS;
smp->prsp[0] = SMP_CMD_PAIRING_RSP;
......@@ -1926,7 +1926,7 @@ static u8 smp_cmd_pairing_confirm(struct l2cap_conn *conn, struct sk_buff *skb)
if (test_bit(SMP_FLAG_TK_VALID, &smp->flags))
return smp_confirm(smp);
else
set_bit(SMP_FLAG_CFM_PENDING, &smp->flags);
return 0;
......@@ -2086,7 +2086,7 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
auth = rp->auth_req & AUTH_REQ_MASK(hdev);
if (test_bit(HCI_SC_ONLY, &hdev->dev_flags) && !(auth & SMP_AUTH_SC))
if (hci_dev_test_flag(hdev, HCI_SC_ONLY) && !(auth & SMP_AUTH_SC))
return SMP_AUTH_REQUIREMENTS;
if (hcon->io_capability == HCI_IO_NO_INPUT_OUTPUT)
......@@ -2107,7 +2107,7 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
if (!smp)
return SMP_UNSPECIFIED;
if (!test_bit(HCI_BONDABLE, &hcon->hdev->dev_flags) &&
if (!hci_dev_test_flag(hdev, HCI_BONDABLE) &&
(auth & SMP_AUTH_BONDING))
return SMP_PAIRING_NOTSUPP;
......@@ -2141,7 +2141,7 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level)
chan = conn->smp;
if (!test_bit(HCI_LE_ENABLED, &hcon->hdev->dev_flags))
if (!hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED))
return 1;
if (smp_sufficient_security(hcon, sec_level, SMP_USE_LTK))
......@@ -2170,7 +2170,7 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level)
authreq = seclevel_to_authreq(sec_level);
if (test_bit(HCI_SC_ENABLED, &hcon->hdev->dev_flags))
if (hci_dev_test_flag(hcon->hdev, HCI_SC_ENABLED))
authreq |= SMP_AUTH_SC;
/* Require MITM if IO Capability allows or the security level
......@@ -2606,7 +2606,7 @@ static int smp_sig_channel(struct l2cap_chan *chan, struct sk_buff *skb)
if (skb->len < 1)
return -EILSEQ;
if (!test_bit(HCI_LE_ENABLED, &hcon->hdev->dev_flags)) {
if (!hci_dev_test_flag(hcon->hdev, HCI_LE_ENABLED)) {
reason = SMP_PAIRING_NOTSUPP;
goto done;
}
......@@ -2744,16 +2744,16 @@ static void bredr_pairing(struct l2cap_chan *chan)
return;
/* Secure Connections support must be enabled */
if (!test_bit(HCI_SC_ENABLED, &hdev->dev_flags))
if (!hci_dev_test_flag(hdev, HCI_SC_ENABLED))
return;
/* BR/EDR must use Secure Connections for SMP */
if (!test_bit(HCI_CONN_AES_CCM, &hcon->flags) &&
!test_bit(HCI_FORCE_BREDR_SMP, &hdev->dbg_flags))
!hci_dev_test_flag(hdev, HCI_FORCE_BREDR_SMP))
return;
/* If our LE support is not enabled don't do anything */
if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags))
if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED))
return;
/* Don't bother if remote LE support is not enabled */
......@@ -3003,7 +3003,7 @@ static ssize_t force_bredr_smp_read(struct file *file,
struct hci_dev *hdev = file->private_data;
char buf[3];
buf[0] = test_bit(HCI_FORCE_BREDR_SMP, &hdev->dbg_flags) ? 'Y': 'N';
buf[0] = hci_dev_test_flag(hdev, HCI_FORCE_BREDR_SMP) ? 'Y': 'N';
buf[1] = '\n';
buf[2] = '\0';
return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
......@@ -3025,7 +3025,7 @@ static ssize_t force_bredr_smp_write(struct file *file,
if (strtobool(buf, &enable))
return -EINVAL;
if (enable == test_bit(HCI_FORCE_BREDR_SMP, &hdev->dbg_flags))
if (enable == hci_dev_test_flag(hdev, HCI_FORCE_BREDR_SMP))
return -EALREADY;
if (enable) {
......@@ -3044,7 +3044,7 @@ static ssize_t force_bredr_smp_write(struct file *file,
smp_del_chan(chan);
}
change_bit(HCI_FORCE_BREDR_SMP, &hdev->dbg_flags);
hci_dev_change_flag(hdev, HCI_FORCE_BREDR_SMP);
return count;
}
......
......@@ -113,7 +113,7 @@ static void lowpan_setup(struct net_device *dev)
{
dev->addr_len = IEEE802154_ADDR_LEN;
memset(dev->broadcast, 0xff, IEEE802154_ADDR_LEN);
dev->type = ARPHRD_IEEE802154;
dev->type = ARPHRD_6LOWPAN;
/* Frame Control + Sequence Number + Address fields + Security Header */
dev->hard_header_len = 2 + 1 + 20 + 14;
dev->needed_tailroom = 2; /* FCS */
......
......@@ -25,6 +25,9 @@
#include "sysfs.h"
#include "core.h"
/* name for sysfs, %d is appended */
#define PHY_NAME "phy"
/* RCU-protected (and RTNL for writers) */
LIST_HEAD(cfg802154_rdev_list);
int cfg802154_rdev_list_generation;
......@@ -122,7 +125,7 @@ wpan_phy_new(const struct cfg802154_ops *ops, size_t priv_size)
INIT_LIST_HEAD(&rdev->wpan_dev_list);
device_initialize(&rdev->wpan_phy.dev);
dev_set_name(&rdev->wpan_phy.dev, "wpan-phy%d", rdev->wpan_phy_idx);
dev_set_name(&rdev->wpan_phy.dev, PHY_NAME "%d", rdev->wpan_phy_idx);
rdev->wpan_phy.dev.class = &wpan_phy_class;
rdev->wpan_phy.dev.platform_data = rdev;
......
......@@ -76,7 +76,6 @@ static int ieee802154_nl_start_confirm(struct net_device *dev, u8 status)
nlmsg_free(msg);
return -ENOBUFS;
}
EXPORT_SYMBOL(ieee802154_nl_start_confirm);
static int ieee802154_nl_fill_iface(struct sk_buff *msg, u32 portid,
u32 seq, int flags, struct net_device *dev)
......
......@@ -48,49 +48,6 @@ static ssize_t name_show(struct device *dev,
}
static DEVICE_ATTR_RO(name);
#define MASTER_SHOW_COMPLEX(name, format_string, args...) \
static ssize_t name ## _show(struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev); \
int ret; \
\
mutex_lock(&phy->pib_lock); \
ret = snprintf(buf, PAGE_SIZE, format_string "\n", args); \
mutex_unlock(&phy->pib_lock); \
return ret; \
} \
static DEVICE_ATTR_RO(name)
#define MASTER_SHOW(field, format_string) \
MASTER_SHOW_COMPLEX(field, format_string, phy->field)
MASTER_SHOW(current_channel, "%d");
MASTER_SHOW(current_page, "%d");
MASTER_SHOW(transmit_power, "%d +- 1 dB");
MASTER_SHOW_COMPLEX(cca_mode, "%d", phy->cca.mode);
static ssize_t channels_supported_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct wpan_phy *phy = container_of(dev, struct wpan_phy, dev);
int ret;
int i, len = 0;
mutex_lock(&phy->pib_lock);
for (i = 0; i < 32; i++) {
ret = snprintf(buf + len, PAGE_SIZE - len,
"%#09x\n", phy->channels_supported[i]);
if (ret < 0)
break;
len += ret;
}
mutex_unlock(&phy->pib_lock);
return len;
}
static DEVICE_ATTR_RO(channels_supported);
static void wpan_phy_release(struct device *dev)
{
struct cfg802154_registered_device *rdev = dev_to_rdev(dev);
......@@ -101,12 +58,6 @@ static void wpan_phy_release(struct device *dev)
static struct attribute *pmib_attrs[] = {
&dev_attr_index.attr,
&dev_attr_name.attr,
/* below will be removed soon */
&dev_attr_current_channel.attr,
&dev_attr_current_page.attr,
&dev_attr_channels_supported.attr,
&dev_attr_transmit_power.attr,
&dev_attr_cca_mode.attr,
NULL,
};
ATTRIBUTE_GROUPS(pmib);
......
......@@ -65,8 +65,19 @@ void ieee802154_xmit_complete(struct ieee802154_hw *hw, struct sk_buff *skb,
{
if (ifs_handling) {
struct ieee802154_local *local = hw_to_local(hw);
u8 max_sifs_size;
if (skb->len > 18)
/* If transceiver sets CRC on his own we need to use lifs
* threshold len above 16 otherwise 18, because it's not
* part of skb->len.
*/
if (hw->flags & IEEE802154_HW_TX_OMIT_CKSUM)
max_sifs_size = IEEE802154_MAX_SIFS_FRAME_SIZE -
IEEE802154_FCS_LEN;
else
max_sifs_size = IEEE802154_MAX_SIFS_FRAME_SIZE;
if (skb->len > max_sifs_size)
hrtimer_start(&local->ifs_timer,
ktime_set(0, hw->phy->lifs_period * NSEC_PER_USEC),
HRTIMER_MODE_REL);
......
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