diff options
author | David S. Miller <davem@davemloft.net> | 2015-11-24 16:22:40 -0500 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2015-11-24 16:22:40 -0500 |
commit | 54f1aa2e5786b8de9595fa85ba5351dd0ad85861 (patch) | |
tree | df32f0feb5238cdce9a80bddb799ca9773f24210 /net | |
parent | 73b1c90d3650a81ff9997f6d1ddfda6efb9fac09 (diff) | |
parent | dc4270c0cd880f1b28dd48f2a31d869d22da941e (diff) |
Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Johan Hedberg says:
====================
pull request: bluetooth-next 2015-11-23
Here's the first bluetooth-next pull request for the 4.5 kernel.
- Add new Get Advertising Size Information management command
- Add support for new system note message type on monitor channel
- Refactor LE scan changes behind separate workqueue to avoid races
- Fix issue with privacy feature when powering on adapter
- Various minor fixes & cleanups here and there
Please let me know if there are any issues pulling. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r-- | net/bluetooth/af_bluetooth.c | 12 | ||||
-rw-r--r-- | net/bluetooth/cmtp/core.c | 3 | ||||
-rw-r--r-- | net/bluetooth/hci_conn.c | 103 | ||||
-rw-r--r-- | net/bluetooth/hci_core.c | 576 | ||||
-rw-r--r-- | net/bluetooth/hci_request.c | 682 | ||||
-rw-r--r-- | net/bluetooth/hci_request.h | 25 | ||||
-rw-r--r-- | net/bluetooth/hci_sock.c | 200 | ||||
-rw-r--r-- | net/bluetooth/l2cap_core.c | 19 | ||||
-rw-r--r-- | net/bluetooth/mgmt.c | 616 | ||||
-rw-r--r-- | net/mac802154/rx.c | 3 |
10 files changed, 1207 insertions, 1032 deletions
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index a3bffd1ec2b4..a83c6a73f562 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -33,8 +33,6 @@ #include "selftest.h" -#define VERSION "2.21" - /* Bluetooth sockets */ #define BT_MAX_PROTO 8 static const struct net_proto_family *bt_proto[BT_MAX_PROTO]; @@ -671,7 +669,7 @@ static const struct file_operations bt_fops = { }; int bt_procfs_init(struct net *net, const char *name, - struct bt_sock_list* sk_list, + struct bt_sock_list *sk_list, int (* seq_show)(struct seq_file *, void *)) { sk_list->custom_seq_show = seq_show; @@ -687,7 +685,7 @@ void bt_procfs_cleanup(struct net *net, const char *name) } #else int bt_procfs_init(struct net *net, const char *name, - struct bt_sock_list* sk_list, + struct bt_sock_list *sk_list, int (* seq_show)(struct seq_file *, void *)) { return 0; @@ -715,7 +713,7 @@ static int __init bt_init(void) sock_skb_cb_check_size(sizeof(struct bt_skb_cb)); - BT_INFO("Core ver %s", VERSION); + BT_INFO("Core ver %s", BT_SUBSYS_VERSION); err = bt_selftest(); if (err < 0) @@ -789,7 +787,7 @@ subsys_initcall(bt_init); module_exit(bt_exit); MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); -MODULE_DESCRIPTION("Bluetooth Core ver " VERSION); -MODULE_VERSION(VERSION); +MODULE_DESCRIPTION("Bluetooth Core ver " BT_SUBSYS_VERSION); +MODULE_VERSION(BT_SUBSYS_VERSION); MODULE_LICENSE("GPL"); MODULE_ALIAS_NETPROTO(PF_BLUETOOTH); diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c index 298ed37010e6..9e59b6654126 100644 --- a/net/bluetooth/cmtp/core.c +++ b/net/bluetooth/cmtp/core.c @@ -178,8 +178,7 @@ static inline int cmtp_recv_frame(struct cmtp_session *session, struct sk_buff * cmtp_add_msgpart(session, id, skb->data + hdrlen, len); break; default: - if (session->reassembly[id] != NULL) - kfree_skb(session->reassembly[id]); + kfree_skb(session->reassembly[id]); session->reassembly[id] = NULL; break; } diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 85b82f7adbd2..2d334e07fd77 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -178,6 +178,10 @@ static void hci_connect_le_scan_remove(struct hci_conn *conn) hci_dev_hold(conn->hdev); hci_conn_get(conn); + /* Even though we hold a reference to the hdev, many other + * things might get cleaned up meanwhile, including the hdev's + * own workqueue, so we can't use that for scheduling. + */ schedule_work(&conn->le_scan_cleanup); } @@ -781,7 +785,7 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, u8 role) { struct hci_conn_params *params; - struct hci_conn *conn, *conn_unfinished; + struct hci_conn *conn; struct smp_irk *irk; struct hci_request req; int err; @@ -794,35 +798,22 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, return ERR_PTR(-EOPNOTSUPP); } - /* Some devices send ATT messages as soon as the physical link is - * established. To be able to handle these ATT messages, the user- - * space first establishes the connection and then starts the pairing - * process. - * - * So if a hci_conn object already exists for the following connection - * attempt, we simply update pending_sec_level and auth_type fields - * and return the object found. - */ - conn = hci_conn_hash_lookup_le(hdev, dst, dst_type); - conn_unfinished = NULL; - if (conn) { - if (conn->state == BT_CONNECT && - test_bit(HCI_CONN_SCANNING, &conn->flags)) { - BT_DBG("will continue unfinished conn %pMR", dst); - conn_unfinished = conn; - } else { - if (conn->pending_sec_level < sec_level) - conn->pending_sec_level = sec_level; - goto done; - } - } - /* Since the controller supports only one LE connection attempt at a * time, we return -EBUSY if there is any connection attempt running. */ if (hci_lookup_le_connect(hdev)) return ERR_PTR(-EBUSY); + /* If there's already a connection object but it's not in + * scanning state it means it must already be established, in + * which case we can't do anything else except report a failure + * to connect. + */ + conn = hci_conn_hash_lookup_le(hdev, dst, dst_type); + if (conn && !test_bit(HCI_CONN_SCANNING, &conn->flags)) { + return ERR_PTR(-EBUSY); + } + /* When given an identity address with existing identity * resolving key, the connection needs to be established * to a resolvable random address. @@ -838,23 +829,20 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, dst_type = ADDR_LE_DEV_RANDOM; } - if (conn_unfinished) { - conn = conn_unfinished; + if (conn) { bacpy(&conn->dst, dst); } else { conn = hci_conn_add(hdev, LE_LINK, dst, role); + if (!conn) + return ERR_PTR(-ENOMEM); + hci_conn_hold(conn); + conn->pending_sec_level = sec_level; } - if (!conn) - return ERR_PTR(-ENOMEM); - conn->dst_type = dst_type; conn->sec_level = BT_SECURITY_LOW; conn->conn_timeout = conn_timeout; - if (!conn_unfinished) - conn->pending_sec_level = sec_level; - hci_req_init(&req, hdev); /* Disable advertising if we're active. For master role @@ -918,37 +906,9 @@ create_conn: return ERR_PTR(err); } -done: - /* If this is continuation of connect started by hci_connect_le_scan, - * it already called hci_conn_hold and calling it again would mess the - * counter. - */ - if (!conn_unfinished) - hci_conn_hold(conn); - return conn; } -static void hci_connect_le_scan_complete(struct hci_dev *hdev, u8 status, - u16 opcode) -{ - struct hci_conn *conn; - - if (!status) - return; - - BT_ERR("Failed to add device to auto conn whitelist: status 0x%2.2x", - status); - - hci_dev_lock(hdev); - - conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT); - if (conn) - hci_le_conn_failed(conn, status); - - hci_dev_unlock(hdev); -} - static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type) { struct hci_conn *conn; @@ -964,10 +924,9 @@ static bool is_connected(struct hci_dev *hdev, bdaddr_t *addr, u8 type) } /* This function requires the caller holds hdev->lock */ -static int hci_explicit_conn_params_set(struct hci_request *req, +static int hci_explicit_conn_params_set(struct hci_dev *hdev, bdaddr_t *addr, u8 addr_type) { - struct hci_dev *hdev = req->hdev; struct hci_conn_params *params; if (is_connected(hdev, addr, addr_type)) @@ -995,7 +954,6 @@ static int hci_explicit_conn_params_set(struct hci_request *req, } params->explicit_connect = true; - __hci_update_background_scan(req); BT_DBG("addr %pMR (type %u) auto_connect %u", addr, addr_type, params->auto_connect); @@ -1006,11 +964,9 @@ static int hci_explicit_conn_params_set(struct hci_request *req, /* This function requires the caller holds hdev->lock */ struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, u8 dst_type, u8 sec_level, - u16 conn_timeout, u8 role) + u16 conn_timeout) { struct hci_conn *conn; - struct hci_request req; - int err; /* Let's make sure that le is enabled.*/ if (!hci_dev_test_flag(hdev, HCI_LE_ENABLED)) { @@ -1038,29 +994,22 @@ struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, BT_DBG("requesting refresh of dst_addr"); - conn = hci_conn_add(hdev, LE_LINK, dst, role); + conn = hci_conn_add(hdev, LE_LINK, dst, HCI_ROLE_MASTER); if (!conn) return ERR_PTR(-ENOMEM); - hci_req_init(&req, hdev); - - if (hci_explicit_conn_params_set(&req, dst, dst_type) < 0) + if (hci_explicit_conn_params_set(hdev, dst, dst_type) < 0) return ERR_PTR(-EBUSY); conn->state = BT_CONNECT; set_bit(HCI_CONN_SCANNING, &conn->flags); - - err = hci_req_run(&req, hci_connect_le_scan_complete); - if (err && err != -ENODATA) { - hci_conn_del(conn); - return ERR_PTR(err); - } - conn->dst_type = dst_type; conn->sec_level = BT_SECURITY_LOW; conn->pending_sec_level = sec_level; conn->conn_timeout = conn_timeout; + hci_update_background_scan(hdev); + done: hci_conn_hold(conn); return conn; diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 62edbf1b114e..89af7e4fac02 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -56,15 +56,6 @@ DEFINE_MUTEX(hci_cb_list_lock); /* HCI ID Numbering */ static DEFINE_IDA(hci_index_ida); -/* ----- HCI requests ----- */ - -#define HCI_REQ_DONE 0 -#define HCI_REQ_PEND 1 -#define HCI_REQ_CANCELED 2 - -#define hci_req_lock(d) mutex_lock(&d->req_lock) -#define hci_req_unlock(d) mutex_unlock(&d->req_lock) - /* ---- HCI debugfs entries ---- */ static ssize_t dut_mode_read(struct file *file, char __user *user_buf, @@ -73,7 +64,7 @@ static ssize_t dut_mode_read(struct file *file, char __user *user_buf, struct hci_dev *hdev = file->private_data; char buf[3]; - buf[0] = hci_dev_test_flag(hdev, HCI_DUT_MODE) ? 'Y': 'N'; + buf[0] = hci_dev_test_flag(hdev, HCI_DUT_MODE) ? 'Y' : 'N'; buf[1] = '\n'; buf[2] = '\0'; return simple_read_from_buffer(user_buf, count, ppos, buf, 2); @@ -101,14 +92,14 @@ static ssize_t dut_mode_write(struct file *file, const char __user *user_buf, if (enable == hci_dev_test_flag(hdev, HCI_DUT_MODE)) return -EALREADY; - hci_req_lock(hdev); + hci_req_sync_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); + hci_req_sync_unlock(hdev); if (IS_ERR(skb)) return PTR_ERR(skb); @@ -133,7 +124,7 @@ static ssize_t vendor_diag_read(struct file *file, char __user *user_buf, struct hci_dev *hdev = file->private_data; char buf[3]; - buf[0] = hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) ? 'Y': 'N'; + buf[0] = hci_dev_test_flag(hdev, HCI_VENDOR_DIAG) ? 'Y' : 'N'; buf[1] = '\n'; buf[2] = '\0'; return simple_read_from_buffer(user_buf, count, ppos, buf, 2); @@ -165,9 +156,9 @@ static ssize_t vendor_diag_write(struct file *file, const char __user *user_buf, !test_bit(HCI_RUNNING, &hdev->flags)) goto done; - hci_req_lock(hdev); + hci_req_sync_lock(hdev); err = hdev->set_diag(hdev, enable); - hci_req_unlock(hdev); + hci_req_sync_unlock(hdev); if (err < 0) return err; @@ -198,197 +189,14 @@ static void hci_debugfs_create_basic(struct hci_dev *hdev) &vendor_diag_fops); } -/* ---- HCI requests ---- */ - -static void hci_req_sync_complete(struct hci_dev *hdev, u8 result, u16 opcode, - struct sk_buff *skb) -{ - BT_DBG("%s result 0x%2.2x", hdev->name, result); - - if (hdev->req_status == HCI_REQ_PEND) { - hdev->req_result = result; - hdev->req_status = HCI_REQ_DONE; - if (skb) - hdev->req_skb = skb_get(skb); - wake_up_interruptible(&hdev->req_wait_q); - } -} - -static void hci_req_cancel(struct hci_dev *hdev, int err) -{ - BT_DBG("%s err 0x%2.2x", hdev->name, err); - - if (hdev->req_status == HCI_REQ_PEND) { - hdev->req_result = err; - hdev->req_status = HCI_REQ_CANCELED; - wake_up_interruptible(&hdev->req_wait_q); - } -} - -struct sk_buff *__hci_cmd_sync_ev(struct hci_dev *hdev, u16 opcode, u32 plen, - const void *param, u8 event, u32 timeout) -{ - DECLARE_WAITQUEUE(wait, current); - struct hci_request req; - struct sk_buff *skb; - int err = 0; - - BT_DBG("%s", hdev->name); - - hci_req_init(&req, hdev); - - hci_req_add_ev(&req, opcode, plen, param, event); - - hdev->req_status = HCI_REQ_PEND; - - add_wait_queue(&hdev->req_wait_q, &wait); - set_current_state(TASK_INTERRUPTIBLE); - - err = hci_req_run_skb(&req, hci_req_sync_complete); - if (err < 0) { - remove_wait_queue(&hdev->req_wait_q, &wait); - set_current_state(TASK_RUNNING); - return ERR_PTR(err); - } - - schedule_timeout(timeout); - - remove_wait_queue(&hdev->req_wait_q, &wait); - - if (signal_pending(current)) - return ERR_PTR(-EINTR); - - switch (hdev->req_status) { - case HCI_REQ_DONE: - err = -bt_to_errno(hdev->req_result); - break; - - case HCI_REQ_CANCELED: - err = -hdev->req_result; - break; - - default: - err = -ETIMEDOUT; - break; - } - - hdev->req_status = hdev->req_result = 0; - skb = hdev->req_skb; - hdev->req_skb = NULL; - - BT_DBG("%s end: err %d", hdev->name, err); - - if (err < 0) { - kfree_skb(skb); - return ERR_PTR(err); - } - - if (!skb) - return ERR_PTR(-ENODATA); - - return skb; -} -EXPORT_SYMBOL(__hci_cmd_sync_ev); - -struct sk_buff *__hci_cmd_sync(struct hci_dev *hdev, u16 opcode, u32 plen, - const void *param, u32 timeout) -{ - return __hci_cmd_sync_ev(hdev, opcode, plen, param, 0, timeout); -} -EXPORT_SYMBOL(__hci_cmd_sync); - -/* Execute request and wait for completion. */ -static int __hci_req_sync(struct hci_dev *hdev, - void (*func)(struct hci_request *req, - unsigned long opt), - unsigned long opt, __u32 timeout) -{ - struct hci_request req; - DECLARE_WAITQUEUE(wait, current); - int err = 0; - - BT_DBG("%s start", hdev->name); - - hci_req_init(&req, hdev); - - hdev->req_status = HCI_REQ_PEND; - - func(&req, opt); - - add_wait_queue(&hdev->req_wait_q, &wait); - set_current_state(TASK_INTERRUPTIBLE); - - err = hci_req_run_skb(&req, hci_req_sync_complete); - if (err < 0) { - hdev->req_status = 0; - - remove_wait_queue(&hdev->req_wait_q, &wait); - set_current_state(TASK_RUNNING); - - /* ENODATA means the HCI request command queue is empty. - * This can happen when a request with conditionals doesn't - * trigger any commands to be sent. This is normal behavior - * and should not trigger an error return. - */ - if (err == -ENODATA) - return 0; - - return err; - } - - schedule_timeout(timeout); - - remove_wait_queue(&hdev->req_wait_q, &wait); - - if (signal_pending(current)) - return -EINTR; - - switch (hdev->req_status) { - case HCI_REQ_DONE: - err = -bt_to_errno(hdev->req_result); - break; - - case HCI_REQ_CANCELED: - err = -hdev->req_result; - break; - - default: - err = -ETIMEDOUT; - break; - } - - hdev->req_status = hdev->req_result = 0; - - BT_DBG("%s end: err %d", hdev->name, err); - - return err; -} - -static int hci_req_sync(struct hci_dev *hdev, - void (*req)(struct hci_request *req, - unsigned long opt), - unsigned long opt, __u32 timeout) -{ - int ret; - - if (!test_bit(HCI_UP, &hdev->flags)) - return -ENETDOWN; - - /* Serialize all requests */ - hci_req_lock(hdev); - ret = __hci_req_sync(hdev, req, opt, timeout); - hci_req_unlock(hdev); - - return ret; -} - -static void hci_reset_req(struct hci_request *req, unsigned long opt) +static int hci_reset_req(struct hci_request *req, unsigned long opt) { BT_DBG("%s %ld", req->hdev->name, opt); /* Reset device */ set_bit(HCI_RESET, &req->hdev->flags); hci_req_add(req, HCI_OP_RESET, 0, NULL); + return 0; } static void bredr_init(struct hci_request *req) @@ -428,7 +236,7 @@ static void amp_init1(struct hci_request *req) hci_req_add(req, HCI_OP_READ_LOCATION_DATA, 0, NULL); } -static void amp_init2(struct hci_request *req) +static int amp_init2(struct hci_request *req) { /* Read Local Supported Features. Not all AMP controllers * support this so it's placed conditionally in the second @@ -436,9 +244,11 @@ static void amp_init2(struct hci_request *req) */ if (req->hdev->commands[14] & 0x20) hci_req_add(req, HCI_OP_READ_LOCAL_FEATURES, 0, NULL); + + return 0; } -static void hci_init1_req(struct hci_request *req, unsigned long opt) +static int hci_init1_req(struct hci_request *req, unsigned long opt) { struct hci_dev *hdev = req->hdev; @@ -461,6 +271,8 @@ static void hci_init1_req(struct hci_request *req, unsigned long opt) BT_ERR("Unknown device type %d", hdev->dev_type); break; } + + return 0; } static void bredr_setup(struct hci_request *req) @@ -531,20 +343,30 @@ static void hci_setup_event_mask(struct hci_request *req) if (lmp_bredr_capable(hdev)) { events[4] |= 0x01; /* Flow Specification Complete */ - events[4] |= 0x02; /* Inquiry Result with RSSI */ - events[4] |= 0x04; /* Read Remote Extended Features Complete */ - events[5] |= 0x08; /* Synchronous Connection Complete */ - events[5] |= 0x10; /* Synchronous Connection Changed */ } else { /* Use a different default for LE-only devices */ memset(events, 0, sizeof(events)); - events[0] |= 0x10; /* Disconnection Complete */ - events[1] |= 0x08; /* Read Remote Version Information Complete */ events[1] |= 0x20; /* Command Complete */ events[1] |= 0x40; /* Command Status */ events[1] |= 0x80; /* Hardware Error */ - events[2] |= 0x04; /* Number of Completed Packets */ - events[3] |= 0x02; /* Data Buffer Overflow */ + + /* If the controller supports the Disconnect command, enable + * the corresponding event. In addition enable packet flow + * control related events. + */ + if (hdev->commands[0] & 0x20) { + events[0] |= 0x10; /* Disconnection Complete */ + events[2] |= 0x04; /* Number of Completed Packets */ + events[3] |= 0x02; /* Data Buffer Overflow */ + } + + /* If the controller supports the Read Remote Version + * Information command, enable the corresponding event. + */ + if (hdev->commands[2] & 0x80) + events[1] |= 0x08; /* Read Remote Version Information + * Complete + */ if (hdev->le_features[0] & HCI_LE_ENCRYPTION) { events[0] |= 0x80; /* Encryption Change */ @@ -552,9 +374,18 @@ static void hci_setup_event_mask(struct hci_request *req) } } - if (lmp_inq_rssi_capable(hdev)) + if (lmp_inq_rssi_capable(hdev) || + test_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks)) events[4] |= 0x02; /* Inquiry Result with RSSI */ + if (lmp_ext_feat_capable(hdev)) + events[4] |= 0x04; /* Read Remote Extended Features Complete */ + + if (lmp_esco_capable(hdev)) { + events[5] |= 0x08; /* Synchronous Connection Complete */ + events[5] |= 0x10; /* Synchronous Connection Changed */ + } + if (lmp_sniffsubr_capable(hdev)) events[5] |= 0x20; /* Sniff Subrating */ @@ -590,7 +421,7 @@ static void hci_setup_event_mask(struct hci_request *req) hci_req_add(req, HCI_OP_SET_EVENT_MASK, sizeof(events), events); } -static void hci_init2_req(struct hci_request *req, unsigned long opt) +static int hci_init2_req(struct hci_request *req, unsigned long opt) { struct hci_dev *hdev = req->hdev; @@ -670,6 +501,8 @@ static void hci_init2_req(struct hci_request *req, unsigned long opt) hci_req_add(req, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable), &enable); } + + return 0; } static void hci_setup_link_policy(struct hci_request *req) @@ -744,7 +577,7 @@ static void hci_set_event_mask_page_2(struct hci_request *req) hci_req_add(req, HCI_OP_SET_EVENT_MASK_PAGE_2, sizeof(events), events); } -static void hci_init3_req(struct hci_request *req, unsigned long opt) +static int hci_init3_req(struct hci_request *req, unsigned long opt) { struct hci_dev *hdev = req->hdev; u8 p; @@ -777,7 +610,6 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt) u8 events[8]; memset(events, 0, sizeof(events)); - events[0] = 0x0f; if (hdev->le_features[0] & HCI_LE_ENCRYPTION) events[0] |= 0x10; /* LE Long Term Key Request */ @@ -804,6 +636,34 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt) * Report */ + /* If the controller supports the LE Set Scan Enable command, + * enable the corresponding advertising report event. + */ + if (hdev->commands[26] & 0x08) + events[0] |= 0x02; /* LE Advertising Report */ + + /* If the controller supports the LE Create Connection + * command, enable the corresponding event. + */ + if (hdev->commands[26] & 0x10) + events[0] |= 0x01; /* LE Connection Complete */ + + /* If the controller supports the LE Connection Update + * command, enable the corresponding event. + */ + if (hdev->commands[27] & 0x04) + events[0] |= 0x04; /* LE Connection Update + * Complete + */ + + /* If the controller supports the LE Read Remote Used Features + * command, enable the corresponding event. + */ + if (hdev->commands[27] & 0x20) + events[0] |= 0x08; /* LE Read Remote Used + * Features Complete + */ + /* If the controller supports the LE Read Local P-256 * Public Key command, enable the corresponding event. */ @@ -856,9 +716,11 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt) hci_req_add(req, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp), &cp); } + + return 0; } -static void hci_init4_req(struct hci_request *req, unsigned long opt) +static int hci_init4_req(struct hci_request *req, unsigned long opt) { struct hci_dev *hdev = req->hdev; @@ -909,20 +771,22 @@ static void hci_init4_req(struct hci_request *req, unsigned long opt) hci_req_add(req, HCI_OP_WRITE_SC_SUPPORT, sizeof(support), &support); } + + return 0; } static int __hci_init(struct hci_dev *hdev) { int err; - err = __hci_req_sync(hdev, hci_init1_req, 0, HCI_INIT_TIMEOUT); + err = __hci_req_sync(hdev, hci_init1_req, 0, HCI_INIT_TIMEOUT, NULL); if (err < 0) return err; if (hci_dev_test_flag(hdev, HCI_SETUP)) hci_debugfs_create_basic(hdev); - err = __hci_req_sync(hdev, hci_init2_req, 0, HCI_INIT_TIMEOUT); + err = __hci_req_sync(hdev, hci_init2_req, 0, HCI_INIT_TIMEOUT, NULL); if (err < 0) return err; @@ -933,11 +797,11 @@ static int __hci_init(struct hci_dev *hdev) if (hdev->dev_type != HCI_BREDR) return 0; - err = __hci_req_sync(hdev, hci_init3_req, 0, HCI_INIT_TIMEOUT); + err = __hci_req_sync(hdev, hci_init3_req, 0, HCI_INIT_TIMEOUT, NULL); if (err < 0) return err; - err = __hci_req_sync(hdev, hci_init4_req, 0, HCI_INIT_TIMEOUT); + err = __hci_req_sync(hdev, hci_init4_req, 0, HCI_INIT_TIMEOUT, NULL); if (err < 0) return err; @@ -968,7 +832,7 @@ static int __hci_init(struct hci_dev *hdev) return 0; } -static void hci_init0_req(struct hci_request *req, unsigned long opt) +static int hci_init0_req(struct hci_request *req, unsigned long opt) { struct hci_dev *hdev = req->hdev; @@ -984,6 +848,8 @@ static void hci_init0_req(struct hci_request *req, unsigned long opt) /* Read BD Address */ if (hdev->set_bdaddr) hci_req_add(req, HCI_OP_READ_BD_ADDR, 0, NULL); + + return 0; } static int __hci_unconf_init(struct hci_dev *hdev) @@ -993,7 +859,7 @@ static int __hci_unconf_init(struct hci_dev *hdev) if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) return 0; - err = __hci_req_sync(hdev, hci_init0_req, 0, HCI_INIT_TIMEOUT); + err = __hci_req_sync(hdev, hci_init0_req, 0, HCI_INIT_TIMEOUT, NULL); if (err < 0) return err; @@ -1003,7 +869,7 @@ static int __hci_unconf_init(struct hci_dev *hdev) return 0; } -static void hci_scan_req(struct hci_request *req, unsigned long opt) +static int hci_scan_req(struct hci_request *req, unsigned long opt) { __u8 scan = opt; @@ -1011,9 +877,10 @@ static void hci_scan_req(struct hci_request *req, unsigned long opt) /* Inquiry and Page scans */ hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); + return 0; } -static void hci_auth_req(struct hci_request *req, unsigned long opt) +static int hci_auth_req(struct hci_request *req, unsigned long opt) { __u8 auth = opt; @@ -1021,9 +888,10 @@ static void hci_auth_req(struct hci_request *req, unsigned long opt) /* Authentication */ hci_req_add(req, HCI_OP_WRITE_AUTH_ENABLE, 1, &auth); + return 0; } -static void hci_encrypt_req(struct hci_request *req, unsigned long opt) +static int hci_encrypt_req(struct hci_request *req, unsigned long opt) { __u8 encrypt = opt; @@ -1031,9 +899,10 @@ static void hci_encrypt_req(struct hci_request *req, unsigned long opt) /* Encryption */ hci_req_add(req, HCI_OP_WRITE_ENCRYPT_MODE, 1, &encrypt); + return 0; } -static void hci_linkpol_req(struct hci_request *req, unsigned long opt) +static int hci_linkpol_req(struct hci_request *req, unsigned long opt) { __le16 policy = cpu_to_le16(opt); @@ -1041,6 +910,7 @@ static void hci_linkpol_req(struct hci_request *req, unsigned long opt) /* Default link policy */ hci_req_add(req, HCI_OP_WRITE_DEF_LINK_POLICY, 2, &policy); + return 0; } /* Get HCI device by index. @@ -1285,7 +1155,7 @@ static int inquiry_cache_dump(struct hci_dev *hdev, int num, __u8 *buf) return copied; } -static void hci_inq_req(struct hci_request *req, unsigned long opt) +static int hci_inq_req(struct hci_request *req, unsigned long opt) { struct hci_inquiry_req *ir = (struct hci_inquiry_req *) opt; struct hci_dev *hdev = req->hdev; @@ -1294,13 +1164,15 @@ static void hci_inq_req(struct hci_request *req, unsigned long opt) BT_DBG("%s", hdev->name); if (test_bit(HCI_INQUIRY, &hdev->flags)) - return; + return 0; /* Start Inquiry */ memcpy(&cp.lap, &ir->lap, 3); cp.length = ir->length; cp.num_rsp = ir->num_rsp; hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp); + + return 0; } int hci_inquiry(void __user *arg) @@ -1351,7 +1223,7 @@ int hci_inquiry(void __user *arg) if (do_inquiry) { err = hci_req_sync(hdev, hci_inq_req, (unsigned long) &ir, - timeo); + timeo, NULL); if (err < 0) goto done; @@ -1404,7 +1276,7 @@ static int hci_dev_do_open(struct hci_dev *hdev) BT_DBG("%s %p", hdev->name, hdev); - hci_req_lock(hdev); + hci_req_sync_lock(hdev); if (hci_dev_test_flag(hdev, HCI_UNREGISTER)) { ret = -ENODEV; @@ -1557,7 +1429,7 @@ static int hci_dev_do_open(struct hci_dev *hdev) } done: - hci_req_unlock(hdev); + hci_req_sync_unlock(hdev); return ret; } @@ -1651,12 +1523,12 @@ int hci_dev_do_close(struct hci_dev *hdev) cancel_delayed_work(&hdev->power_off); - hci_req_cancel(hdev, ENODEV); - hci_req_lock(hdev); + hci_request_cancel_all(hdev); + hci_req_sync_lock(hdev); if (!test_and_clear_bit(HCI_UP, &hdev->flags)) { cancel_delayed_work_sync(&hdev->cmd_timer); - hci_req_unlock(hdev); + hci_req_sync_unlock(hdev); return 0; } @@ -1674,9 +1546,6 @@ int hci_dev_do_close(struct hci_dev *hdev) if (hci_dev_test_and_clear_flag(hdev, HCI_SERVICE_CACHE)) cancel_delayed_work(&hdev->service_cache); - cancel_delayed_work_sync(&hdev->le_scan_disable); - cancel_delayed_work_sync(&hdev->le_scan_restart); - if (hci_dev_test_flag(hdev, HCI_MGMT)) cancel_delayed_work_sync(&hdev->rpa_expired); @@ -1717,7 +1586,7 @@ int hci_dev_do_close(struct hci_dev *hdev) if (test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks) && !auto_off && !hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) { set_bit(HCI_INIT, &hdev->flags); - __hci_req_sync(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT); + __hci_req_sync(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT, NULL); clear_bit(HCI_INIT, &hdev->flags); } @@ -1754,7 +1623,7 @@ int hci_dev_do_close(struct hci_dev *hdev) memset(hdev->dev_class, 0, sizeof(hdev->dev_class)); bacpy(&hdev->random_addr, BDADDR_ANY); - hci_req_unlock(hdev); + hci_req_sync_unlock(hdev); hci_dev_put(hdev); return 0; @@ -1790,7 +1659,7 @@ static int hci_dev_do_reset(struct hci_dev *hdev) BT_DBG("%s %p", hdev->name, hdev); - hci_req_lock(hdev); + hci_req_sync_lock(hdev); /* Drop queues */ skb_queue_purge(&hdev->rx_q); @@ -1812,9 +1681,9 @@ static int hci_dev_do_reset(struct hci_dev *hdev) atomic_set(&hdev->cmd_cnt, 1); hdev->acl_cnt = 0; hdev->sco_cnt = 0; hdev->le_cnt = 0; - ret = __hci_req_sync(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT); + ret = __hci_req_sync(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT, NULL); - hci_req_unlock(hdev); + hci_req_sync_unlock(hdev); return ret; } @@ -1947,7 +1816,7 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) switch (cmd) { case HCISETAUTH: err = hci_req_sync(hdev, hci_auth_req, dr.dev_opt, - HCI_INIT_TIMEOUT); + HCI_INIT_TIMEOUT, NULL); break; case HCISETENCRYPT: @@ -1959,18 +1828,18 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) if (!test_bit(HCI_AUTH, &hdev->flags)) { /* Auth must be enabled first */ err = hci_req_sync(hdev, hci_auth_req, dr.dev_opt, - HCI_INIT_TIMEOUT); + HCI_INIT_TIMEOUT, NULL); if (err) break; } err = hci_req_sync(hdev, hci_encrypt_req, dr.dev_opt, - HCI_INIT_TIMEOUT); + HCI_INIT_TIMEOUT, NULL); break; case HCISETSCAN: err = hci_req_sync(hdev, hci_scan_req, dr.dev_opt, - HCI_INIT_TIMEOUT); + HCI_INIT_TIMEOUT, NULL); /* Ensure that the connectable and discoverable states * get correctly modified as this was a non-mgmt change. @@ -1981,7 +1850,7 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) case HCISETLINKPOL: err = hci_req_sync(hdev, hci_linkpol_req, dr.dev_opt, - HCI_INIT_TIMEOUT); + HCI_INIT_TIMEOUT, NULL); break; case HCISETLINKMODE: @@ -2731,7 +2600,8 @@ struct adv_info *hci_find_adv_instance(struct hci_dev *hdev, u8 instance) } /* This function requires the caller holds hdev->lock */ -struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance) { +struct adv_info *hci_get_next_instance(struct hci_dev *hdev, u8 instance) +{ struct adv_info *cur_instance; cur_instance = hci_find_adv_instance(hdev, instance); @@ -3024,181 +2894,16 @@ void hci_conn_params_clear_disabled(struct hci_dev *hdev) } /* This function requires the caller holds hdev->lock */ -void hci_conn_params_clear_all(struct hci_dev *hdev) +static void hci_conn_params_clear_all(struct hci_dev *hdev) { struct hci_conn_params *params, *tmp; list_for_each_entry_safe(params, tmp, &hdev->le_conn_params, list) hci_conn_params_free(params); - hci_update_background_scan(hdev); - BT_DBG("All LE connection parameters were removed"); } -static void inquiry_complete(struct hci_dev *hdev, u8 status, u16 opcode) -{ - if (status) { - BT_ERR("Failed to start inquiry: status %d", status); - - hci_dev_lock(hdev); - hci_discovery_set_state(hdev, DISCOVERY_STOPPED); - hci_dev_unlock(hdev); - return; - } -} - -static void le_scan_disable_work_complete(struct hci_dev *hdev, u8 status, - u16 opcode) -{ - /* General inquiry access code (GIAC) */ - u8 lap[3] = { 0x33, 0x8b, 0x9e }; - struct hci_cp_inquiry cp; - int err; - - if (status) { - BT_ERR("Failed to disable LE scanning: status %d", status); - return; - } - - hdev->discovery.scan_start = 0; - - switch (hdev->discovery.type) { - case DISCOV_TYPE_LE: - hci_dev_lock(hdev); - hci_discovery_set_state(hdev, DIS |