diff options
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/a2mp.c | 6 | ||||
| -rw-r--r-- | net/bluetooth/af_bluetooth.c | 15 | ||||
| -rw-r--r-- | net/bluetooth/bnep/sock.c | 4 | ||||
| -rw-r--r-- | net/bluetooth/cmtp/sock.c | 4 | ||||
| -rw-r--r-- | net/bluetooth/hci_conn.c | 4 | ||||
| -rw-r--r-- | net/bluetooth/hci_core.c | 727 | ||||
| -rw-r--r-- | net/bluetooth/hci_event.c | 605 | ||||
| -rw-r--r-- | net/bluetooth/hci_sock.c | 9 | ||||
| -rw-r--r-- | net/bluetooth/hci_sysfs.c | 4 | ||||
| -rw-r--r-- | net/bluetooth/hidp/core.c | 4 | ||||
| -rw-r--r-- | net/bluetooth/hidp/sock.c | 4 | ||||
| -rw-r--r-- | net/bluetooth/l2cap_sock.c | 4 | ||||
| -rw-r--r-- | net/bluetooth/mgmt.c | 680 | ||||
| -rw-r--r-- | net/bluetooth/rfcomm/core.c | 167 | ||||
| -rw-r--r-- | net/bluetooth/rfcomm/sock.c | 3 | ||||
| -rw-r--r-- | net/bluetooth/sco.c | 3 |
16 files changed, 1272 insertions, 971 deletions
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c index eb0f4b16ff09..17f33a62f6db 100644 --- a/net/bluetooth/a2mp.c +++ b/net/bluetooth/a2mp.c @@ -397,13 +397,12 @@ static int a2mp_getampassoc_rsp(struct amp_mgr *mgr, struct sk_buff *skb, if (ctrl) { u8 *assoc; - assoc = kzalloc(assoc_len, GFP_KERNEL); + assoc = kmemdup(rsp->amp_assoc, assoc_len, GFP_KERNEL); if (!assoc) { amp_ctrl_put(ctrl); return -ENOMEM; } - memcpy(assoc, rsp->amp_assoc, assoc_len); ctrl->assoc = assoc; ctrl->assoc_len = assoc_len; ctrl->assoc_rem_len = assoc_len; @@ -472,13 +471,12 @@ static int a2mp_createphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb, size_t assoc_len = le16_to_cpu(hdr->len) - sizeof(*req); u8 *assoc; - assoc = kzalloc(assoc_len, GFP_KERNEL); + assoc = kmemdup(req->amp_assoc, assoc_len, GFP_KERNEL); if (!assoc) { amp_ctrl_put(ctrl); return -ENOMEM; } - memcpy(assoc, req->amp_assoc, assoc_len); ctrl->assoc = assoc; ctrl->assoc_len = assoc_len; ctrl->assoc_rem_len = assoc_len; diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index d3ee69b35a78..81598e588f7f 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -92,23 +92,14 @@ int bt_sock_register(int proto, const struct net_proto_family *ops) } EXPORT_SYMBOL(bt_sock_register); -int bt_sock_unregister(int proto) +void bt_sock_unregister(int proto) { - int err = 0; - if (proto < 0 || proto >= BT_MAX_PROTO) - return -EINVAL; + return; write_lock(&bt_proto_lock); - - if (!bt_proto[proto]) - err = -ENOENT; - else - bt_proto[proto] = NULL; - + bt_proto[proto] = NULL; write_unlock(&bt_proto_lock); - - return err; } EXPORT_SYMBOL(bt_sock_unregister); diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c index e7154a58465f..5b1c04e28821 100644 --- a/net/bluetooth/bnep/sock.c +++ b/net/bluetooth/bnep/sock.c @@ -253,8 +253,6 @@ error: void __exit bnep_sock_cleanup(void) { bt_procfs_cleanup(&init_net, "bnep"); - if (bt_sock_unregister(BTPROTO_BNEP) < 0) - BT_ERR("Can't unregister BNEP socket"); - + bt_sock_unregister(BTPROTO_BNEP); proto_unregister(&bnep_proto); } diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c index 1c57482112b6..58d9edebab4b 100644 --- a/net/bluetooth/cmtp/sock.c +++ b/net/bluetooth/cmtp/sock.c @@ -264,8 +264,6 @@ error: void cmtp_cleanup_sockets(void) { bt_procfs_cleanup(&init_net, "cmtp"); - if (bt_sock_unregister(BTPROTO_CMTP) < 0) - BT_ERR("Can't unregister CMTP socket"); - + bt_sock_unregister(BTPROTO_CMTP); proto_unregister(&cmtp_proto); } diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 4925a02ae7e4..b9f90169940b 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -117,7 +117,7 @@ static void hci_acl_create_connection_cancel(struct hci_conn *conn) hci_send_cmd(conn->hdev, HCI_OP_CREATE_CONN_CANCEL, sizeof(cp), &cp); } -void hci_acl_disconn(struct hci_conn *conn, __u8 reason) +void hci_disconnect(struct hci_conn *conn, __u8 reason) { struct hci_cp_disconnect cp; @@ -253,7 +253,7 @@ static void hci_conn_disconnect(struct hci_conn *conn) hci_amp_disconn(conn, reason); break; default: - hci_acl_disconn(conn, reason); + hci_disconnect(conn, reason); break; } } diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 60793e7b768b..cfcad5423f1c 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -57,36 +57,9 @@ static void hci_notify(struct hci_dev *hdev, int event) /* ---- HCI requests ---- */ -void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result) +static void hci_req_sync_complete(struct hci_dev *hdev, u8 result) { - BT_DBG("%s command 0x%4.4x result 0x%2.2x", hdev->name, cmd, result); - - /* If this is the init phase check if the completed command matches - * the last init command, and if not just return. - */ - if (test_bit(HCI_INIT, &hdev->flags) && hdev->init_last_cmd != cmd) { - struct hci_command_hdr *sent = (void *) hdev->sent_cmd->data; - u16 opcode = __le16_to_cpu(sent->opcode); - struct sk_buff *skb; - - /* Some CSR based controllers generate a spontaneous - * reset complete event during init and any pending - * command will never be completed. In such a case we - * need to resend whatever was the last sent - * command. - */ - - if (cmd != HCI_OP_RESET || opcode == HCI_OP_RESET) - return; - - skb = skb_clone(hdev->sent_cmd, GFP_ATOMIC); - if (skb) { - skb_queue_head(&hdev->cmd_q, skb); - queue_work(hdev->workqueue, &hdev->cmd_work); - } - - return; - } + BT_DBG("%s result 0x%2.2x", hdev->name, result); if (hdev->req_status == HCI_REQ_PEND) { hdev->req_result = result; @@ -107,21 +80,41 @@ static void hci_req_cancel(struct hci_dev *hdev, int err) } /* Execute request and wait for completion. */ -static int __hci_request(struct hci_dev *hdev, - void (*req)(struct hci_dev *hdev, unsigned long opt), - unsigned long opt, __u32 timeout) +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); + + err = hci_req_run(&req, hci_req_sync_complete); + if (err < 0) { + hdev->req_status = 0; + + /* 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; + } + add_wait_queue(&hdev->req_wait_q, &wait); set_current_state(TASK_INTERRUPTIBLE); - req(hdev, opt); schedule_timeout(timeout); remove_wait_queue(&hdev->req_wait_q, &wait); @@ -150,9 +143,10 @@ static int __hci_request(struct hci_dev *hdev, return err; } -static int hci_request(struct hci_dev *hdev, - void (*req)(struct hci_dev *hdev, unsigned long opt), - unsigned long opt, __u32 timeout) +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; @@ -161,75 +155,86 @@ static int hci_request(struct hci_dev *hdev, /* Serialize all requests */ hci_req_lock(hdev); - ret = __hci_request(hdev, req, opt, timeout); + ret = __hci_req_sync(hdev, req, opt, timeout); hci_req_unlock(hdev); return ret; } -static void hci_reset_req(struct hci_dev *hdev, unsigned long opt) +static void hci_reset_req(struct hci_request *req, unsigned long opt) { - BT_DBG("%s %ld", hdev->name, opt); + BT_DBG("%s %ld", req->hdev->name, opt); /* Reset device */ - set_bit(HCI_RESET, &hdev->flags); - hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL); + set_bit(HCI_RESET, &req->hdev->flags); + hci_req_add(req, HCI_OP_RESET, 0, NULL); } -static void bredr_init(struct hci_dev *hdev) +static void bredr_init(struct hci_request *req) { - hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_PACKET_BASED; + req->hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_PACKET_BASED; /* Read Local Supported Features */ - hci_send_cmd(hdev, HCI_OP_READ_LOCAL_FEATURES, 0, NULL); + hci_req_add(req, HCI_OP_READ_LOCAL_FEATURES, 0, NULL); /* Read Local Version */ - hci_send_cmd(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL); + hci_req_add(req, HCI_OP_READ_LOCAL_VERSION, 0, NULL); + + /* Read BD Address */ + hci_req_add(req, HCI_OP_READ_BD_ADDR, 0, NULL); } -static void amp_init(struct hci_dev *hdev) +static void amp_init(struct hci_request *req) { - hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_BLOCK_BASED; + req->hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_BLOCK_BASED; /* Read Local Version */ - hci_send_cmd(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL); + hci_req_add(req, HCI_OP_READ_LOCAL_VERSION, 0, NULL); /* Read Local AMP Info */ - hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_INFO, 0, NULL); + hci_req_add(req, HCI_OP_READ_LOCAL_AMP_INFO, 0, NULL); /* Read Data Blk size */ - hci_send_cmd(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, 0, NULL); + hci_req_add(req, HCI_OP_READ_DATA_BLOCK_SIZE, 0, NULL); } -static void hci_init_req(struct hci_dev *hdev, unsigned long opt) +static void hci_init1_req(struct hci_request *req, unsigned long opt) { + struct hci_dev *hdev = req->hdev; + struct hci_request init_req; struct sk_buff *skb; BT_DBG("%s %ld", hdev->name, opt); /* Driver initialization */ + hci_req_init(&init_req, hdev); + /* Special commands */ while ((skb = skb_dequeue(&hdev->driver_init))) { bt_cb(skb)->pkt_type = HCI_COMMAND_PKT; skb->dev = (void *) hdev; - skb_queue_tail(&hdev->cmd_q, skb); - queue_work(hdev->workqueue, &hdev->cmd_work); + if (skb_queue_empty(&init_req.cmd_q)) + bt_cb(skb)->req.start = true; + + skb_queue_tail(&init_req.cmd_q, skb); } skb_queue_purge(&hdev->driver_init); + hci_req_run(&init_req, NULL); + /* Reset */ if (!test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) - hci_reset_req(hdev, 0); + hci_reset_req(req, 0); switch (hdev->dev_type) { case HCI_BREDR: - bredr_init(hdev); + bredr_init(req); break; case HCI_AMP: - amp_init(hdev); + amp_init(req); break; default: @@ -238,44 +243,327 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt) } } -static void hci_scan_req(struct hci_dev *hdev, unsigned long opt) +static void bredr_setup(struct hci_request *req) +{ + struct hci_cp_delete_stored_link_key cp; + __le16 param; + __u8 flt_type; + + /* Read Buffer Size (ACL mtu, max pkt, etc.) */ + hci_req_add(req, HCI_OP_READ_BUFFER_SIZE, 0, NULL); + + /* Read Class of Device */ + hci_req_add(req, HCI_OP_READ_CLASS_OF_DEV, 0, NULL); + + /* Read Local Name */ + hci_req_add(req, HCI_OP_READ_LOCAL_NAME, 0, NULL); + + /* Read Voice Setting */ + hci_req_add(req, HCI_OP_READ_VOICE_SETTING, 0, NULL); + + /* Clear Event Filters */ + flt_type = HCI_FLT_CLEAR_ALL; + hci_req_add(req, HCI_OP_SET_EVENT_FLT, 1, &flt_type); + + /* Connection accept timeout ~20 secs */ + param = __constant_cpu_to_le16(0x7d00); + hci_req_add(req, HCI_OP_WRITE_CA_TIMEOUT, 2, ¶m); + + bacpy(&cp.bdaddr, BDADDR_ANY); + cp.delete_all = 0x01; + hci_req_add(req, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp); + + /* Read page scan parameters */ + if (req->hdev->hci_ver > BLUETOOTH_VER_1_1) { + hci_req_add(req, HCI_OP_READ_PAGE_SCAN_ACTIVITY, 0, NULL); + hci_req_add(req, HCI_OP_READ_PAGE_SCAN_TYPE, 0, NULL); + } +} + +static void le_setup(struct hci_request *req) +{ + /* Read LE Buffer Size */ + hci_req_add(req, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL); + + /* Read LE Local Supported Features */ + hci_req_add(req, HCI_OP_LE_READ_LOCAL_FEATURES, 0, NULL); + + /* Read LE Advertising Channel TX Power */ + hci_req_add(req, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL); + + /* Read LE White List Size */ + hci_req_add(req, HCI_OP_LE_READ_WHITE_LIST_SIZE, 0, NULL); + + /* Read LE Supported States */ + hci_req_add(req, HCI_OP_LE_READ_SUPPORTED_STATES, 0, NULL); +} + +static u8 hci_get_inquiry_mode(struct hci_dev *hdev) +{ + if (lmp_ext_inq_capable(hdev)) + return 0x02; + + if (lmp_inq_rssi_capable(hdev)) + return 0x01; + + if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 && + hdev->lmp_subver == 0x0757) + return 0x01; + + if (hdev->manufacturer == 15) { + if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963) + return 0x01; + if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963) + return 0x01; + if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965) + return 0x01; + } + + if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 && + hdev->lmp_subver == 0x1805) + return 0x01; + + return 0x00; +} + +static void hci_setup_inquiry_mode(struct hci_request *req) +{ + u8 mode; + + mode = hci_get_inquiry_mode(req->hdev); + + hci_req_add(req, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode); +} + +static void hci_setup_event_mask(struct hci_request *req) +{ + struct hci_dev *hdev = req->hdev; + + /* The second byte is 0xff instead of 0x9f (two reserved bits + * disabled) since a Broadcom 1.2 dongle doesn't respond to the + * command otherwise. + */ + u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 }; + + /* CSR 1.1 dongles does not accept any bitfield so don't try to set + * any event mask for pre 1.2 devices. + */ + if (hdev->hci_ver < BLUETOOTH_VER_1_2) + return; + + 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 */ + } + + if (lmp_inq_rssi_capable(hdev)) + events[4] |= 0x02; /* Inquiry Result with RSSI */ + + if (lmp_sniffsubr_capable(hdev)) + events[5] |= 0x20; /* Sniff Subrating */ + + if (lmp_pause_enc_capable(hdev)) + events[5] |= 0x80; /* Encryption Key Refresh Complete */ + + if (lmp_ext_inq_capable(hdev)) + events[5] |= 0x40; /* Extended Inquiry Result */ + + if (lmp_no_flush_capable(hdev)) + events[7] |= 0x01; /* Enhanced Flush Complete */ + + if (lmp_lsto_capable(hdev)) + events[6] |= 0x80; /* Link Supervision Timeout Changed */ + + if (lmp_ssp_capable(hdev)) { + events[6] |= 0x01; /* IO Capability Request */ + events[6] |= 0x02; /* IO Capability Response */ + events[6] |= 0x04; /* User Confirmation Request */ + events[6] |= 0x08; /* User Passkey Request */ + events[6] |= 0x10; /* Remote OOB Data Request */ + events[6] |= 0x20; /* Simple Pairing Complete */ + events[7] |= 0x04; /* User Passkey Notification */ + events[7] |= 0x08; /* Keypress Notification */ + events[7] |= 0x10; /* Remote Host Supported + * Features Notification + */ + } + + if (lmp_le_capable(hdev)) + events[7] |= 0x20; /* LE Meta-Event */ + + hci_req_add(req, HCI_OP_SET_EVENT_MASK, sizeof(events), events); + + if (lmp_le_capable(hdev)) { + memset(events, 0, sizeof(events)); + events[0] = 0x1f; + hci_req_add(req, HCI_OP_LE_SET_EVENT_MASK, + sizeof(events), events); + } +} + +static void hci_init2_req(struct hci_request *req, unsigned long opt) +{ + struct hci_dev *hdev = req->hdev; + + if (lmp_bredr_capable(hdev)) + bredr_setup(req); + + if (lmp_le_capable(hdev)) + le_setup(req); + + hci_setup_event_mask(req); + + if (hdev->hci_ver > BLUETOOTH_VER_1_1) + hci_req_add(req, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL); + + if (lmp_ssp_capable(hdev)) { + if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { + u8 mode = 0x01; + hci_req_add(req, HCI_OP_WRITE_SSP_MODE, + sizeof(mode), &mode); + } else { + struct hci_cp_write_eir cp; + + memset(hdev->eir, 0, sizeof(hdev->eir)); + memset(&cp, 0, sizeof(cp)); + + hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); + } + } + + if (lmp_inq_rssi_capable(hdev)) + hci_setup_inquiry_mode(req); + + if (lmp_inq_tx_pwr_capable(hdev)) + hci_req_add(req, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL); + + if (lmp_ext_feat_capable(hdev)) { + struct hci_cp_read_local_ext_features cp; + + cp.page = 0x01; + hci_req_add(req, HCI_OP_READ_LOCAL_EXT_FEATURES, + sizeof(cp), &cp); + } + + if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) { + u8 enable = 1; + hci_req_add(req, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable), + &enable); + } +} + +static void hci_setup_link_policy(struct hci_request *req) +{ + struct hci_dev *hdev = req->hdev; + struct hci_cp_write_def_link_policy cp; + u16 link_policy = 0; + + if (lmp_rswitch_capable(hdev)) + link_policy |= HCI_LP_RSWITCH; + if (lmp_hold_capable(hdev)) + link_policy |= HCI_LP_HOLD; + if (lmp_sniff_capable(hdev)) + link_policy |= HCI_LP_SNIFF; + if (lmp_park_capable(hdev)) + link_policy |= HCI_LP_PARK; + + cp.policy = cpu_to_le16(link_policy); + hci_req_add(req, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(cp), &cp); +} + +static void hci_set_le_support(struct hci_request *req) +{ + struct hci_dev *hdev = req->hdev; + struct hci_cp_write_le_host_supported cp; + + memset(&cp, 0, sizeof(cp)); + + if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { + cp.le = 0x01; + cp.simul = lmp_le_br_capable(hdev); + } + + if (cp.le != lmp_host_le_capable(hdev)) + hci_req_add(req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp), + &cp); +} + +static void hci_init3_req(struct hci_request *req, unsigned long opt) +{ + struct hci_dev *hdev = req->hdev; + + if (hdev->commands[5] & 0x10) + hci_setup_link_policy(req); + + if (lmp_le_capable(hdev)) { + hci_set_le_support(req); + hci_update_ad(req); + } +} + +static int __hci_init(struct hci_dev *hdev) +{ + int err; + + err = __hci_req_sync(hdev, hci_init1_req, 0, HCI_INIT_TIMEOUT); + if (err < 0) + return err; + + /* 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. + */ + if (hdev->dev_type != HCI_BREDR) + return 0; + + err = __hci_req_sync(hdev, hci_init2_req, 0, HCI_INIT_TIMEOUT); + if (err < 0) + return err; + + return __hci_req_sync(hdev, hci_init3_req, 0, HCI_INIT_TIMEOUT); +} + +static void hci_scan_req(struct hci_request *req, unsigned long opt) { __u8 scan = opt; - BT_DBG("%s %x", hdev->name, scan); + BT_DBG("%s %x", req->hdev->name, scan); /* Inquiry and Page scans */ - hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); + hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); } -static void hci_auth_req(struct hci_dev *hdev, unsigned long opt) +static void hci_auth_req(struct hci_request *req, unsigned long opt) { __u8 auth = opt; - BT_DBG("%s %x", hdev->name, auth); + BT_DBG("%s %x", req->hdev->name, auth); /* Authentication */ - hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, 1, &auth); + hci_req_add(req, HCI_OP_WRITE_AUTH_ENABLE, 1, &auth); } -static void hci_encrypt_req(struct hci_dev *hdev, unsigned long opt) +static void hci_encrypt_req(struct hci_request *req, unsigned long opt) { __u8 encrypt = opt; - BT_DBG("%s %x", hdev->name, encrypt); + BT_DBG("%s %x", req->hdev->name, encrypt); /* Encryption */ - hci_send_cmd(hdev, HCI_OP_WRITE_ENCRYPT_MODE, 1, &encrypt); + hci_req_add(req, HCI_OP_WRITE_ENCRYPT_MODE, 1, &encrypt); } -static void hci_linkpol_req(struct hci_dev *hdev, unsigned long opt) +static void hci_linkpol_req(struct hci_request *req, unsigned long opt) { __le16 policy = cpu_to_le16(opt); - BT_DBG("%s %x", hdev->name, policy); + BT_DBG("%s %x", req->hdev->name, policy); /* Default link policy */ - hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, 2, &policy); + hci_req_add(req, HCI_OP_WRITE_DEF_LINK_POLICY, 2, &policy); } /* Get HCI device by index. @@ -512,9 +800,10 @@ static int inquiry_cache_dump(struct hci_dev *hdev, int num, __u8 *buf) return copied; } -static void hci_inq_req(struct hci_dev *hdev, unsigned long opt) +static void 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; struct hci_cp_inquiry cp; BT_DBG("%s", hdev->name); @@ -526,7 +815,7 @@ static void hci_inq_req(struct hci_dev *hdev, unsigned long opt) memcpy(&cp.lap, &ir->lap, 3); cp.length = ir->length; cp.num_rsp = ir->num_rsp; - hci_send_cmd(hdev, HCI_OP_INQUIRY, sizeof(cp), &cp); + hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp); } int hci_inquiry(void __user *arg) @@ -556,7 +845,8 @@ int hci_inquiry(void __user *arg) timeo = ir.length * msecs_to_jiffies(2000); if (do_inquiry) { - err = hci_request(hdev, hci_inq_req, (unsigned long)&ir, timeo); + err = hci_req_sync(hdev, hci_inq_req, (unsigned long) &ir, + timeo); if (err < 0) goto done; } @@ -654,39 +944,29 @@ static u8 create_ad(struct hci_dev *hdev, u8 *ptr) return ad_len; } -int hci_update_ad(struct hci_dev *hdev) +void hci_update_ad(struct hci_request *req) { + struct hci_dev *hdev = req->hdev; struct hci_cp_le_set_adv_data cp; u8 len; - int err; - hci_dev_lock(hdev); - - if (!lmp_le_capable(hdev)) { - err = -EINVAL; - goto unlock; - } + 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) { - err = 0; - goto unlock; - } + 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; - err = hci_send_cmd(hdev, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp); -unlock: - hci_dev_unlock(hdev); - - return err; + hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp); } /* ---- HCI ioctl helpers ---- */ @@ -735,10 +1015,7 @@ int hci_dev_open(__u16 dev) if (!test_bit(HCI_RAW, &hdev->flags)) { atomic_set(&hdev->cmd_cnt, 1); set_bit(HCI_INIT, &hdev->flags); - hdev->init_last_cmd = 0; - - ret = __hci_request(hdev, hci_init_req, 0, HCI_INIT_TIMEOUT); - + ret = __hci_init(hdev); clear_bit(HCI_INIT, &hdev->flags); } @@ -746,7 +1023,6 @@ int hci_dev_open(__u16 dev) hci_dev_hold(hdev); set_bit(HCI_UP, &hdev->flags); hci_notify(hdev, HCI_DEV_UP); - hci_update_ad(hdev); if (!test_bit(HCI_SETUP, &hdev->dev_flags) && mgmt_valid_hdev(hdev)) { hci_dev_lock(hdev); @@ -828,7 +1104,7 @@ static int hci_dev_do_close(struct hci_dev *hdev) if (!test_bit(HCI_RAW, &hdev->flags) && test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) { set_bit(HCI_INIT, &hdev->flags); - __hci_request(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT); + __hci_req_sync(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT); clear_bit(HCI_INIT, &hdev->flags); } @@ -851,6 +1127,10 @@ static int hci_dev_do_close(struct hci_dev *hdev) * and no tasks are scheduled. */ hdev->close(hdev); + /* Clear flags */ + hdev->flags = 0; + hdev->dev_flags &= ~HCI_PERSISTENT_MASK; + if (!test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags) && mgmt_valid_hdev(hdev)) { hci_dev_lock(hdev); @@ -858,9 +1138,6 @@ static int hci_dev_do_close(struct hci_dev *hdev) hci_dev_unlock(hdev); } - /* Clear flags */ - hdev->flags = 0; - /* Controller radio is available but is currently powered down */ hdev->amp_status = 0; @@ -921,7 +1198,7 @@ int hci_dev_reset(__u16 dev) hdev->acl_cnt = 0; hdev->sco_cnt = 0; hdev->le_cnt = 0; if (!test_bit(HCI_RAW, &hdev->flags)) - ret = __hci_request(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT); + ret = __hci_req_sync(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT); done: hci_req_unlock(hdev); @@ -960,8 +1237,8 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) switch (cmd) { case HCISETAUTH: - err = hci_request(hdev, hci_auth_req, dr.dev_opt, - HCI_INIT_TIMEOUT); + err = hci_req_sync(hdev, hci_auth_req, dr.dev_opt, + HCI_INIT_TIMEOUT); break; case HCISETENCRYPT: @@ -972,24 +1249,24 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) if (!test_bit(HCI_AUTH, &hdev->flags)) { /* Auth must be enabled first */ - err = hci_request(hdev, hci_auth_req, dr.dev_opt, - HCI_INIT_TIMEOUT); + err = hci_req_sync(hdev, hci_auth_req, dr.dev_opt, + HCI_INIT_TIMEOUT); if (err) break; } - err = hci_request(hdev, hci_encrypt_req, dr.dev_opt, - HCI_INIT_TIMEOUT); + err = hci_req_sync(hdev, hci_encrypt_req, dr.dev_opt, + HCI_INIT_TIMEOUT); break; case HCISETSCAN: - err = hci_request(hdev, hci_scan_req, dr.dev_opt, - HCI_INIT_TIMEOUT); + err = hci_req_sync(hdev, hci_scan_req, dr.dev_opt, + HCI_INIT_TIMEOUT); break; case HCISETLINKPOL: - err = hci_request(hdev, hci_linkpol_req, dr.dev_opt, - HCI_INIT_TIMEOUT); + err = hci_req_sync(hdev, hci_linkpol_req, dr.dev_opt, + HCI_INIT_TIMEOUT); break; case HCISETLINKMODE: @@ -1566,7 +1843,7 @@ int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) return mgmt_device_unblocked(hdev, bdaddr, type); } -static void le_scan_param_req(struct hci_dev *hdev, unsigned long opt) +static void le_scan_param_req(struct hci_request *req, unsigned long opt) { struct le_scan_params *param = (struct le_scan_params *) opt; struct hci_cp_le_set_scan_param cp; @@ -1576,10 +1853,10 @@ static void le_scan_param_req(struct hci_dev *hdev, unsigned long opt) cp.interval = cpu_to_le16(param->interval); cp.window = cpu_to_le16(param->window); - hci_send_cmd(hdev, HCI_OP_LE_SET_SCAN_PARAM, sizeof(cp), &cp); + hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(cp), &cp); } -static void le_scan_enable_req(struct hci_dev *hdev, unsigned long opt) +static void le_scan_enable_req(struct hci_request *req, unsigned long opt) { struct hci_cp_le_set_scan_enable cp; @@ -1587,7 +1864,7 @@ static void le_scan_enable_req(struct hci_dev *hdev, unsigned long opt) cp.enable = 1; cp.filter_dup = 1; - hci_send_cmd(hdev, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp); + hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp); } static int hci_do_le_scan(struct hci_dev *hdev, u8 type, u16 interval, @@ -1608,10 +1885,10 @@ static int hci_do_le_scan(struct hci_dev *hdev, u8 type, u16 interval, hci_req_lock(hdev); - err = __hci_request(hdev, le_scan_param_req, (unsigned long) ¶m, - timeo); + err = __hci_req_sync(hdev, le_scan_param_req, (unsigned long) ¶m, + timeo); if (!err) - err = __hci_request(hdev, le_scan_enable_req, 0, timeo); + err = __hci_req_sync(hdev, le_scan_enable_req, 0, timeo); hci_req_unlock(hdev); @@ -2160,20 +2437,55 @@ static int hci_send_frame(struct sk_buff *skb) return hdev->send(skb); } -/* Send HCI command */ -int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param) +void hci_req_init(struct hci_request *req, struct hci_dev *hdev) +{ + skb_queue_head_init(&req->cmd_q); + req->hdev = hdev; + req->err = 0; +} + +int hci_req_run(struct hci_request *req, hci_req_complete_t complete) +{ + struct hci_dev *hdev = req->hdev; + struct sk_buff *skb; + unsigned long flags; + + BT_DBG("length %u", skb_queue_len(&req->cmd_q)); + + /* If an error occured during request building, remove all HCI + * commands queued on the HCI request queue. + */ + if (req->err) { + skb_queue_purge(&req->cmd_q); + return req->err; + } + + /* Do not allow empty requests */ + if (skb_queue_empty(&req->cmd_q)) + return -ENODATA; + + skb = skb_peek_tail(&req->cmd_q); + bt_cb(skb)->req.complete = complete; + + spin_lock_irqsave(&hdev->cmd_q.lock, flags); + skb_queue_splice_tail(&req->cmd_q, &hdev->cmd_q); + spin_unlock_irqrestore(&hdev->cmd_q.lock, flags); + + queue_work(hdev->workqueue, &hdev->cmd_work); + + return 0; +} + +static struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode, + u32 plen, void *param) { int len = HCI_COMMAND_HDR_SIZE + plen; struct hci_command_hdr *hdr; struct sk_buff *skb; - BT_DBG("%s opcode 0x%4.4x plen %d", hdev->name, opcode, plen); - skb = bt_skb_alloc(len, GFP_ATOMIC); - if (!skb) { - BT_ERR("%s no memory for command", hdev->name); - return -ENOMEM; - } + if (!skb) + return NULL; hdr = (struct hci_command_hdr *) skb_put(skb, HCI_COMMAND_HDR_SIZE); hdr->opcode = cpu_to_le16(opcode); @@ -2187,8 +2499,26 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param) bt_cb(skb)->pkt_type = HCI_COMMAND_PKT; skb->dev = (void *) hdev; - if (test_bit(HCI_INIT, &hdev->flags)) - hdev->init_last_cmd = opcode; + return skb; +} + +/* Send HCI command */ +int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param) +{ + struct sk_buff *skb; + + BT_DBG("%s opcode 0x%4.4x plen %d", hdev->name, opcode, plen); + + skb = hci_prepare_cmd(hdev, opcode, plen, param); + if (!skb) { + BT_ERR("%s no memory for command", hdev->name); + return -ENOMEM; + } + + /* Stand-alone HCI commands must be flaged as + * single-command requests. + */ + bt_cb(skb)->req.start = true; skb_queue_tail(&hdev->cmd_q, skb); queue_work(hdev->workqueue, &hdev->cmd_work); @@ -2196,6 +2526,34 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param) return 0; } +/* Queue a command to an asynchronous HCI request */ +void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, void *param) +{ + struct hci_dev *hdev = req->hdev; + struct sk_buff *skb; + + BT_DBG("%s opcode 0x%4.4x plen %d", hdev->name, opcode, plen); + + /* If an error occured during request building, there is no point in + * queueing the HCI command. We can simply return. + */ + if (req->err) + return; + + skb = hci_prepare_cmd(hdev, opcode, plen, param); + if (!skb) { + BT_ERR("%s no memory for command (opcode 0x%4.4x)", + hdev->name, opcode); + req->err = -ENOMEM; + return; + } + + if (skb_queue_empty(&req->cmd_q)) + bt_cb(skb)->req.start = true; + + skb_queue_tail(&req->cmd_q, skb); +} + /* Get data from the previously sent command */ void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode) { @@ -2398,7 +2756,7 @@ static void hci_link_tx_to(struct hci_dev *hdev, __u8 type) if (c->type == type && c->sent) { BT_ERR("%s killing stalled connection %pMR", hdev->name, &c->dst); - hci_acl_disconn(c, HCI_ERROR_REMOTE_USER_TERM); + hci_disconnect(c, HCI_ERROR_REMOTE_USER_TERM); } } @@ -2860,6 +3218,123 @@ static void hci_scodata_packet(struct hci_dev *hdev, struct sk_buff *skb) kfree_skb(skb); } +static bool hci_req_is_complete(struct hci_dev *hdev) +{ + struct sk_buff *skb; + + skb = skb_peek(&hdev->cmd_q); + if (!skb) + return true; + + return bt_cb(skb)->req.start; +} + +static void hci_resend_last(struct hci_dev *hdev) +{ + struct hci_command_hdr *sent; + struct sk_buff *skb; + u16 opcode; + + if (!hdev->sent_cmd) + return; + + sent = (void *) hdev->sent_cmd->data; + opcode = __le16_to_cpu(sent->opcode); + if (opcode == HCI_OP_RESET) + return; + + skb = skb_clone(hdev->sent_cmd, GFP_KERNEL); + if (!skb) + return; + + skb_queue_head(&hdev->cmd_q, skb); + queue_work(hdev->workqueue, &hdev->cmd_work); +} + +void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status) +{ + hci_req_complete_t req_complete = NULL; + struct sk_buff *skb; + unsigned long flags; + + BT_DBG("opcode 0x%04x status 0x%02x", opcode, status); + + /* If the completed command doesn't match the last one that was + * sent we need to do special handling of it. + */ + if (!hci_sent_cmd_data(hdev, opcode)) { + /* Some CSR based controllers generate a spontaneous + * reset complete event during init and any pending + * command will never be completed. In such a case we + * need to resend whatever was the last sent + * command. + */ + if (test_bit(HCI_INIT, &hdev->flags) && opcode == HCI_OP_RESET) + hci_resend_last(hdev); + + return; + } + + /* If the command succeeded and there's still more commands in + * this request the request is not yet complete. + */ + if (!status && !hci_req_is_complete(hdev)) + return; + + /* If this was the last command in a request the complete + * callback would be found in hdev->sent_cmd instead of the + * command queue (hdev->cmd_q). + */ + if (hdev->sent_cmd) { + req_complete = bt_cb(hdev->sent_cmd)->req.complete; + if (req_complete) + goto call_complete; + } + + /* Remove all pending commands belonging to this request */ + spin_lock_irqsave(&hdev->cmd_q.lock, flags); + while ((skb = __skb_dequeue(&hdev->cmd_q))) { + if (bt_cb(skb)->req.start) { + __skb_queue_head(&hdev->cmd_q, skb); + break; + } + + req_complete = bt_cb(skb)->req.complete; + kfree_skb(skb); + } + spin_unlock_irqrestore(&hdev->cmd_q.lock, flags); + +call_complete: + if (req_complete) + req_complete(hdev, status); +} + +void hci_req_cmd_status(struct hci_dev *hdev, u16 opcode, u8 status) +{ + hci_req_complete_t req_complete = NULL; + + BT_DBG("opcode 0x%04x status 0x%02x", opcode, status); + + if (status) { + hci_req_cmd_complete(hdev, opcode, status); + return; + } + + /* No need to handle success status if there are more commands */ + if (!hci_req_is_complete(hdev)) + return; + + if (hdev->sent_cmd) + req_complete = bt_cb(hdev->sent_cmd)->req.complete; + + /* If the request doesn't have a complete callback or there + * are other commands/requests in the hdev queue we consider + * this request as completed. + */ + if (!req_complete || !skb_queue_empty(&hdev->cmd_q)) + hci_req_cmd_complete(hdev, opcode, status); +} + static void hci_rx_work(struct work_struct *work) { struct hci_dev *hdev = container_of(work, struct hci_dev, rx_work); diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 477726a63512..138580745c2c 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -53,7 +53,7 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) hci_discovery_set_state(hdev, DISCOVERY_STOPPED); hci_dev_unlock(hdev); - hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status); + hci_req_cmd_complete(hdev, HCI_OP_INQUIRY, status); hci_conn_check_pending(hdev); } @@ -183,8 +183,6 @@ static void hci_cc_write_def_link_policy(struct hci_dev *hdev, if (!status) hdev->link_policy = get_unaligned_le16(sent); - - hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status); } static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) @@ -195,11 +193,8 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) clear_bit(HCI_RESET, &hdev->flags); - hci_req_complete(hdev, HCI_OP_RESET, status); - /* Reset all non-persistent flags */ - hdev->dev_flags &= ~(BIT(HCI_LE_SCAN) | BIT(HCI_PENDING_CLASS) | - BIT(HCI_PERIODIC_INQ)); + hdev->dev_flags &= ~HCI_PERSISTENT_MASK; hdev->discovery.state = DISCOVERY_STOPPED; hdev->inq_tx_power = HCI_TX_POWER_INVALID; @@ -228,11 +223,6 @@ static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH); hci_dev_unlock(hdev); - - if (!status && !test_bit(HCI_INIT, &hdev->flags)) - hci_update_ad(hdev); - - hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status); } static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) @@ -270,8 +260,6 @@ static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) if (test_bit(HCI_MGMT, &hdev->dev_flags)) mgmt_auth_enable_complete(hdev, status); - - hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status); } static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) @@ -293,8 +281,6 @@ static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) else clear_bit(HCI_ENCRYPT, &hdev->flags); } - - hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status); } static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) @@ -343,7 +329,6 @@ static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) done: hci_dev_unlock(hdev); - hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status); } static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) @@ -435,15 +420,6 @@ static void hci_cc_write_voice_setting(struct hci_dev *hdev, hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); } -static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%2.2x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status); -} - static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); @@ -472,211 +448,6 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) } } -static u8 hci_get_inquiry_mode(struct hci_dev *hdev) -{ - if (lmp_ext_inq_capable(hdev)) - return 2; - - if (lmp_inq_rssi_capable(hdev)) - return 1; - - if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 && - hdev->lmp_subver == 0x0757) - return 1; - - if (hdev->manufacturer == 15) { - if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963) - return 1; - if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963) - return 1; - if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965) - return 1; - } - - if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 && - hdev->lmp_subver == 0x1805) - return 1; - - return 0; -} - -static void hci_setup_inquiry_mode(struct hci_dev *hdev) -{ - u8 mode; - - mode = hci_get_inquiry_mode(hdev); - - hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode); -} - -static void hci_setup_event_mask(struct hci_dev *hdev) -{ - /* The second byte is 0xff instead of 0x9f (two reserved bits - * disabled) since a Broadcom 1.2 dongle doesn't respond to the - * command otherwise */ - u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 }; - - /* CSR 1.1 dongles does not accept any bitfield so don't try to set - * any event mask for pre 1.2 devices */ - if (hdev->hci_ver < BLUETOOTH_VER_1_2) - return; - - 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 */ - } - - if (lmp_inq_rssi_capable(hdev)) - events[4] |= 0x02; /* Inquiry Result with RSSI */ - - if (lmp_sniffsubr_capable(hdev)) - events[5] |= 0x20; /* Sniff Subrating */ - - if (lmp_pause_enc_capable(hdev)) - events[5] |= 0x80; /* Encryption Key Refresh Complete */ - - if (lmp_ext_inq_capable(hdev)) - events[5] |= 0x40; /* Extended Inquiry Result */ - - if (lmp_no_flush_capable(hdev)) - events[7] |= 0x01; /* Enhanced Flush Complete */ - - if (lmp_lsto_capable(hdev)) - events[6] |= 0x80; /* Link Supervision Timeout Changed */ - - if (lmp_ssp_capable(hdev)) { - events[6] |= 0x01; /* IO Capability Request */ - events[6] |= 0x02; /* IO Capability Response */ - events[6] |= 0x04; /* User Confirmation Request */ - events[6] |= 0x08; /* User Passkey Request */ - events[6] |= 0x10; /* Remote OOB Data Request */ - events[6] |= 0x20; /* Simple Pairing Complete */ - events[7] |= 0x04; /* User Passkey Notification */ - events[7] |= 0x08; /* Keypress Notification */ - events[7] |= 0x10; /* Remote Host Supported - * Features Notification */ - } - - if (lmp_le_capable(hdev)) - events[7] |= 0x20; /* LE Meta-Event */ - - hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events); - - if (lmp_le_capable(hdev)) { - memset(events, 0, sizeof(events)); - events[0] = 0x1f; - hci_send_cmd(hdev, HCI_OP_LE_SET_EVENT_MASK, - sizeof(events), events); - } -} - -static void bredr_setup(struct hci_dev *hdev) -{ - struct hci_cp_delete_stored_link_key cp; - __le16 param; - __u8 flt_type; - - /* Read Buffer Size (ACL mtu, max pkt, etc.) */ - hci_send_cmd(hdev, HCI_OP_READ_BUFFER_SIZE, 0, NULL); - - /* Read Class of Device */ - hci_send_cmd(hdev, HCI_OP_READ_CLASS_OF_DEV, 0, NULL); - - /* Read Local Name */ - hci_send_cmd(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL); - - /* Read Voice Setting */ - hci_send_cmd(hdev, HCI_OP_READ_VOICE_SETTING, 0, NULL); - - /* Clear Event Filters */ - flt_type = HCI_FLT_CLEAR_ALL; - hci_send_cmd(hdev, HCI_OP_SET_EVENT_FLT, 1, &flt_type); - - /* Connection accept timeout ~20 secs */ - param = __constant_cpu_to_le16(0x7d00); - hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, ¶m); - - bacpy(&cp.bdaddr, BDADDR_ANY); - cp.delete_all = 1; - hci_send_cmd(hdev, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp); -} - -static void le_setup(struct hci_dev *hdev) -{ - /* Read LE Buffer Size */ - hci_send_cmd(hdev, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL); - - /* Read LE Local Supported Features */ - hci_send_cmd(hdev, HCI_OP_LE_READ_LOCAL_FEATURES, 0, NULL); - - /* Read LE Advertising Channel TX Power */ - hci_send_cmd(hdev, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL); - - /* Read LE White List Size */ - hci_send_cmd(hdev, HCI_OP_LE_READ_WHITE_LIST_SIZE, 0, NULL); - - /* Read LE Supported States */ - hci_send_cmd(hdev, HCI_OP_LE_READ_SUPPORTED_STATES, 0, NULL); -} - -static void hci_setup(struct hci_dev *hdev) -{ - if (hdev->dev_type != HCI_BREDR) - return; - - /* Read BD Address */ - hci_send_cmd(hdev, HCI_OP_READ_BD_ADDR, 0, NULL); - - if (lmp_bredr_capable(hdev)) - bredr_setup(hdev); - - if (lmp_le_capable(hdev)) - le_setup(hdev); - - hci_setup_event_mask(hdev); - - if (hdev->hci_ver > BLUETOOTH_VER_1_1) - hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL); - - if (lmp_ssp_capable(hdev)) { - if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { - u8 mode = 0x01; - hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, - sizeof(mode), &mode); - } else { - struct hci_cp_write_eir cp; - - memset(hdev->eir, 0, sizeof(hdev->eir)); - memset(&cp, 0, sizeof(cp)); - - hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp); - } - } - - if (lmp_inq_rssi_capable(hdev)) - hci_setup_inquiry_mode(hdev); - - if (lmp_inq_tx_pwr_capable(hdev)) - hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL); - - if (lmp_ext_feat_capable(hdev)) { - struct hci_cp_read_local_ext_features cp; - - cp.page = 0x01; - hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp), - &cp); - } - - if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) { - u8 enable = 1; - hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable), - &enable); - } -} - static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_local_version *rp = (void *) skb->data; @@ -684,7 +455,7 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) - goto done; + return; hdev->hci_ver = rp->hci_ver; hdev->hci_rev = __le16_to_cpu(rp->hci_rev); @@ -694,30 +465,6 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) 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_INIT, &hdev->flags)) - hci_setup(hdev); - -done: - hci_req_complete(hdev, HCI_OP_READ_LOCAL_VERSION, rp->status); -} - -static void hci_setup_link_policy(struct hci_dev *hdev) -{ - struct hci_cp_write_def_link_policy cp; - u16 link_policy = 0; - - if (lmp_rswitch_capable(hdev)) - link_policy |= HCI_LP_RSWITCH; - if (lmp_hold_capable(hdev)) - link_policy |= HCI_LP_HOLD; - if (lmp_sniff_capable(hdev)) - link_policy |= HCI_LP_SNIFF; - if (lmp_park_capable(hdev)) - link_policy |= HCI_LP_PARK; - - cp.policy = cpu_to_le16(link_policy); - hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(cp), &cp); } static void hci_cc_read_local_commands(struct hci_dev *hdev, @@ -727,16 +474,8 @@ static void hci_cc_read_local_commands(struct hci_dev *hdev, BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); - if (rp->status) - goto done; - - memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); - - if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10)) - hci_setup_link_policy(hdev); - -done: - hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status); + if (!rp->status) + memcpy(hdev->commands, rp->commands, sizeof(hdev->commands)); } static void hci_cc_read_local_features(struct hci_dev *hdev, @@ -795,22 +534,6 @@ static void hci_cc_read_local_features(struct hci_dev *hdev, hdev->features[6], hdev->features[7]); } -static void hci_set_le_support(struct hci_dev *hdev) -{ - struct hci_cp_write_le_host_supported cp; - - memset(&cp, 0, sizeof(cp)); - - if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { - cp.le = 1; - cp.simul = lmp_le_br_capable(hdev); - } - - if (cp.le != lmp_host_le_capable(hdev)) - hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp), - &cp); -} - static void hci_cc_read_local_ext_features(struct hci_dev *hdev, struct sk_buff *skb) { @@ -819,7 +542,7 @@ static void hci_cc_read_local_ext_features(struct hci_dev *hdev, BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) - goto done; + return; switch (rp->page) { case 0: @@ -829,12 +552,6 @@ static void hci_cc_read_local_ext_features(struct hci_dev *hdev, memcpy(hdev->host_features, rp->features, 8); break; } - - if (test_bit(HCI_INIT, &hdev->flags) && lmp_le_capable(hdev)) - hci_set_le_support(hdev); - -done: - hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status); } static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, @@ -844,12 +561,8 @@ static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); - if (rp->status) - return; - - hdev->flow_ctl_mode = rp->mode; - - hci_req_complete(hdev, HCI_OP_READ_FLOW_CONTROL_MODE, rp->status); + if (!rp->status) + hdev->flow_ctl_mode = rp->mode; } static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) @@ -886,8 +599,65 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) if (!rp->status) bacpy(&hdev->bdaddr, &rp->bdaddr); +} + +static void hci_cc_read_page_scan_activity(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_page_scan_activity *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (test_bit(HCI_INIT, &hdev->flags) && !rp->status) { + hdev->page_scan_interval = __le16_to_cpu(rp->interval); + hdev->page_scan_window = __le16_to_cpu(rp->window); + } +} + +static void hci_cc_write_page_scan_activity(struct hci_dev *hdev, + struct sk_buff *skb) +{ + u8 status = *((u8 *) skb->data); + struct hci_cp_write_page_scan_activity *sent; + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + if (status) + return; + + sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY); + if (!sent) + return; + + hdev->page_scan_interval = __le16_to_cpu(sent->interval); + hdev->page_scan_window = __le16_to_cpu(sent->window); +} + +static void hci_cc_read_page_scan_type(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_page_scan_type *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (test_bit(HCI_INIT, &hdev->flags) && !rp->status) + hdev->page_scan_type = rp->type; +} + +static void hci_cc_write_page_scan_type(struct hci_dev *hdev, + struct sk_buff *skb) +{ + u8 status = *((u8 *) skb->data); + u8 *type; - hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + if (status) + return; + + type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE); + if (type) + hdev->page_scan_type = *type; } static void hci_cc_read_data_block_size(struct hci_dev *hdev, @@ -908,17 +678,6 @@ static void hci_cc_read_data_block_size(struct hci_dev *hdev, BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu, hdev->block_cnt, hdev->block_len); - - hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status); -} - -static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%2.2x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status); } static void hci_cc_read_local_amp_info(struct hci_dev *hdev, @@ -942,8 +701,6 @@ static void hci_cc_read_local_amp_info(struct hci_dev *hdev, hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to); hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to); - hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status); - a2mp_rsp: a2mp_send_getinfo_rsp(hdev); } @@ -985,35 +742,6 @@ a2mp_rsp: a2mp_send_create_phy_link_req(hdev, rp->status); } -static void hci_cc_delete_stored_link_key(struct hci_dev *hdev, - struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%2.2x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status); -} - -static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%2.2x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status); -} - -static void hci_cc_write_inquiry_mode(struct hci_dev *hdev, - struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%2.2x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status); -} - static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, struct sk_buff *skb) { @@ -1023,17 +751,6 @@ static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, if (!rp->status) hdev->inq_tx_power = rp->tx_power; - - hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, rp->status); -} - -static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%2.2x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status); } static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb) @@ -1095,8 +812,6 @@ static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, hdev->le_cnt = hdev->le_pkts; BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts); - - hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status); } static void hci_cc_le_read_local_features(struct hci_dev *hdev, @@ -1108,8 +823,6 @@ static void hci_cc_le_read_local_features(struct hci_dev *hdev, if (!rp->status) memcpy(hdev->le_features, rp->features, 8); - - hci_req_complete(hdev, HCI_OP_LE_READ_LOCAL_FEATURES, rp->status); } static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev, @@ -1119,22 +832,8 @@ static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev, BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); - if (!rp->status) { + if (!rp->status) hdev->adv_tx_power = rp->tx_power; - if (!test_bit(HCI_INIT, &hdev->flags)) - hci_update_ad(hdev); - } - - hci_req_complete(hdev, HCI_OP_LE_READ_ADV_TX_POWER, rp->status); -} - -static void hci_cc_le_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb) -{ - __u8 status = *((__u8 *) skb->data); - - BT_DBG("%s status 0x%2.2x", hdev->name, status); - - hci_req_complete(hdev, HCI_OP_LE_SET_EVENT_MASK, status); } static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) @@ -1231,12 +930,15 @@ static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb) clear_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags); } - hci_dev_unlock(hdev); + if (!test_bit(HCI_INIT, &hdev->flags)) { + struct hci_request req; - if (!test_bit(HCI_INIT, &hdev->flags)) - hci_update_ad(hdev); + hci_req_init(&req, hdev); + hci_update_ad(&req); + hci_req_run(&req, NULL); + } - hci_req_complete(hdev, HCI_OP_LE_SET_ADV_ENABLE, status); + hci_dev_unlock(hdev); } static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) @@ -1245,8 +947,6 @@ static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) BT_DBG("%s status 0x%2.2x", hdev->name, status); - hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_PARAM, status); - if (status) { hci_dev_lock(hdev); mgmt_start_discovery_failed(hdev, status); @@ -1269,8 +969,6 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, switch (cp->enable) { case LE_SCANNING_ENABLED: - hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_ENABLE, status); - if (status) { hci_dev_lock(hdev); mgmt_start_discovery_failed(hdev, status); @@ -1321,32 +1019,6 @@ static void hci_cc_le_read_white_list_size(struct hci_dev *hdev, if (!rp->status) hdev->le_white_list_size = rp->size; - - hci_req_complete(hdev, HCI_OP_LE_READ_WHITE_LIST_SIZE, rp->status); -} - -static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_le_ltk_reply *rp = (void *) skb->data; - - BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); - - if (rp->status) - return; - - hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status); -} - -static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data; - - BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); - - if (rp->status) - return; - - hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status); } static void hci_cc_le_read_supported_states(struct hci_dev *hdev, @@ -1358,8 +1030,6 @@ static void hci_cc_le_read_supported_states(struct hci_dev *hdev, if (!rp->status) memcpy(hdev->le_states, rp->le_states, 8); - - hci_req_complete(hdev, HCI_OP_LE_READ_SUPPORTED_STATES, rp->status); } static void hci_cc_write_le_host_supported(struct hci_dev *hdev, @@ -1389,8 +1059,6 @@ static void hci_cc_write_le_host_supported(struct hci_dev *hdev, if (test_bit(HCI_MGMT, &hdev->dev_flags) && !test_bit(HCI_INIT, &hdev->flags)) mgmt_le_enable_complete(hdev, sent->le, status); - - hci_req_complete(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, status); } static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev, @@ -1412,7 +1080,6 @@ static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) { - hci_req_complete(hdev, HCI_OP_INQUIRY, status); hci_conn_check_pending(hdev); hci_dev_lock(hdev); if (test_bit(HCI_MGMT, &hdev->dev_flags)) @@ -1884,11 +1551,6 @@ static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status) } } -static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) -{ - BT_DBG("%s status 0x%2.2x", hdev->name, status); -} - static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status) { struct hci_cp_create_phy_link *cp; @@ -1930,11 +1592,6 @@ static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status) amp_write_remote_assoc(hdev, cp->phy_handle); } -static void hci_cs_create_logical_link(struct hci_dev *hdev, u8 status) -{ - BT_DBG("%s status 0x%2.2x", hdev->name, status); -} - static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); @@ -1943,7 +1600,7 @@ static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) BT_DBG("%s status 0x%2.2x", hdev->name, status); - hci_req_complete(hdev, HCI_OP_INQUIRY, status); + hci_req_cmd_complete(hdev, HCI_OP_INQUIRY, status); hci_conn_check_pending(hdev); @@ -2399,7 +2056,7 @@ static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); if (ev->status && conn->state == BT_CONNECTED) { - hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE); + hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); hci_conn_put(conn); goto unlock; } @@ -2491,20 +2148,10 @@ unlock: hci_dev_unlock(hdev); } -static void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - BT_DBG("%s", hdev->name); -} - -static void hci_qos_setup_complete_evt(struct hci_dev *hdev, - struct sk_buff *skb) -{ - BT_DBG("%s", hdev->name); -} - static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_cmd_complete *ev = (void *) skb->data; + u8 status = skb->data[sizeof(*ev)]; __u16 opcode; skb_pull(skb, sizeof(*ev)); @@ -2588,10 +2235,6 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cc_write_voice_setting(hdev, skb); break; - case HCI_OP_HOST_BUFFER_SIZE: - hci_cc_host_buffer_size(hdev, skb); - break; - case HCI_OP_WRITE_SSP_MODE: hci_cc_write_ssp_mode(hdev, skb); break; @@ -2620,46 +2263,42 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cc_read_bd_addr(hdev, skb); break; - case HCI_OP_READ_DATA_BLOCK_SIZE: - hci_cc_read_data_block_size(hdev, skb); + case HCI_OP_READ_PAGE_SCAN_ACTIVITY: + hci_cc_read_page_scan_activity(hdev, skb); break; - case HCI_OP_WRITE_CA_TIMEOUT: - hci_cc_write_ca_timeout(hdev, skb); + case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY: + hci_cc_write_page_scan_activity(hdev, skb); break; - case HCI_OP_READ_FLOW_CONTROL_MODE: - hci_cc_read_flow_control_mode(hdev, skb); + case HCI_OP_READ_PAGE_SCAN_TYPE: + hci_cc_read_page_scan_type(hdev, skb); break; - case HCI_OP_READ_LOCAL_AMP_INFO: - hci_cc_read_local_amp_info(hdev, skb); + case HCI_OP_WRITE_PAGE_SCAN_TYPE: + hci_cc_write_page_scan_type(hdev, skb); break; - case HCI_OP_READ_LOCAL_AMP_ASSOC: - hci_cc_read_local_amp_assoc(hdev, skb); + case HCI_OP_READ_DATA_BLOCK_SIZE: + hci_cc_read_data_block_size(hdev, skb); break; - case HCI_OP_DELETE_STORED_LINK_KEY: - hci_cc_delete_stored_link_key(hdev, skb); + case HCI_OP_READ_FLOW_CONTROL_MODE: + hci_cc_read_flow_control_mode(hdev, skb); break; - case HCI_OP_SET_EVENT_MASK: - hci_cc_set_event_mask(hdev, skb); + case HCI_OP_READ_LOCAL_AMP_INFO: + hci_cc_read_local_amp_info(hdev, skb); break; - case HCI_OP_WRITE_INQUIRY_MODE: - hci_cc_write_inquiry_mode(hdev, skb); + case HCI_OP_READ_LOCAL_AMP_ASSOC: + hci_cc_read_local_amp_assoc(hdev, skb); break; case HCI_OP_READ_INQ_RSP_TX_POWER: hci_cc_read_inq_rsp_tx_power(hdev, skb); break; - case HCI_OP_SET_EVENT_FLT: - hci_cc_set_event_flt(hdev, skb); - break; - case HCI_OP_PIN_CODE_REPLY: hci_cc_pin_code_reply(hdev, skb); break; @@ -2684,10 +2323,6 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cc_le_read_adv_tx_power(hdev, skb); break; - case HCI_OP_LE_SET_EVENT_MASK: - hci_cc_le_set_event_mask(hdev, skb); - break; - case HCI_OP_USER_CONFIRM_REPLY: hci_cc_user_confirm_reply(hdev, skb); break; @@ -2720,14 +2355,6 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cc_le_read_white_list_size(hdev, skb); break; - case HCI_OP_LE_LTK_REPLY: - hci_cc_le_ltk_reply(hdev, skb); - break; - - case HCI_OP_LE_LTK_NEG_REPLY: - hci_cc_le_ltk_neg_reply(hdev, skb); - break; - case HCI_OP_LE_READ_SUPPORTED_STATES: hci_cc_le_read_supported_states(hdev, skb); break; @@ -2745,9 +2372,11 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) break; } - if (ev->opcode != HCI_OP_NOP) + if (opcode != HCI_OP_NOP) del_timer(&hdev->cmd_timer); + hci_req_cmd_complete(hdev, opcode, status); + if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) { atomic_set(&hdev->cmd_cnt, 1); if (!skb_queue_empty(&hdev->cmd_q)) @@ -2817,10 +2446,6 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cs_le_create_conn(hdev, ev->status); break; - case HCI_OP_LE_START_ENC: - hci_cs_le_start_enc(hdev, ev->status); - break; - case HCI_OP_CREATE_PHY_LINK: hci_cs_create_phylink(hdev, ev->status); break; @@ -2829,18 +2454,16 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cs_accept_phylink(hdev, ev->status); break; - case HCI_OP_CREATE_LOGICAL_LINK: - hci_cs_create_logical_link(hdev, ev->status); - break; - default: BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); break; } - if (ev->opcode != HCI_OP_NOP) + if (opcode != HCI_OP_NOP) del_timer(&hdev->cmd_timer); + hci_req_cmd_status(hdev, opcode, ev->status); + if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) { atomic_set(&hdev->cmd_cnt, 1); if (!skb_queue_empty(&hdev->cmd_q)) @@ -3391,18 +3014,6 @@ unlock: hci_dev_unlock(hdev); } -static void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - BT_DBG("%s", hdev->name); -} - -static void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct hci_ev_sniff_subrate *ev = (void *) skb->data; - - BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); -} - static void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb) { @@ -3472,7 +3083,7 @@ static void hci_key_refresh_complete_evt(struct hci_dev *hdev, clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags); if (ev->status && conn->state == BT_CONNECTED) { - hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE); + hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE); hci_conn_put(conn); goto unlock; } @@ -4130,14 +3741,6 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_remote_features_evt(hdev, skb); break; - case HCI_EV_REMOTE_VERSION: - hci_remote_version_evt(hdev, skb); - break; - - case HCI_EV_QOS_SETUP_COMPLETE: - hci_qos_setup_complete_evt(hdev, skb); - break; - case HCI_EV_CMD_COMPLETE: hci_cmd_complete_evt(hdev, skb); break; @@ -4194,14 +3797,6 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_sync_conn_complete_evt(hdev, skb); break; - case HCI_EV_SYNC_CONN_CHANGED: - hci_sync_conn_changed_evt(hdev, skb); - break; - - case HCI_EV_SNIFF_SUBRATE: - hci_sniff_subrate_evt(hdev, skb); - break; - case HCI_EV_EXTENDED_INQUIRY_RESULT: hci_extended_inquiry_result_evt(hdev, skb); break; diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 6a93614f2c49..aa4354fca77c 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -854,6 +854,11 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock, skb_queue_tail(&hdev->raw_q, skb); queue_work(hdev->workqueue, &hdev->tx_work); } else { + /* Stand-alone HCI commands must be flaged as + * single-command requests. + */ + bt_cb(skb)->req.start = true; + skb_queue_tail(&hdev->cmd_q, skb); queue_work(hdev->workqueue, &hdev->cmd_work); } @@ -1121,8 +1126,6 @@ error: void hci_sock_cleanup(void) { bt_procfs_cleanup(&init_net, "hci"); - if (bt_sock_unregister(BTPROTO_HCI) < 0) - BT_ERR("HCI socket unregistration failed"); - + bt_sock_unregister(BTPROTO_HCI); proto_unregister(&hci_sk_proto); } diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index 23b4e242a31a..ff38561385de 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -590,10 +590,8 @@ int __init bt_sysfs_init(void) bt_debugfs = debugfs_create_dir("bluetooth", NULL); bt_class = class_create(THIS_MODULE, "bluetooth"); - if (IS_ERR(bt_class)) - return PTR_ERR(bt_class); - return 0; + return PTR_RET(bt_class); } void bt_sysfs_cleanup(void) diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index a7352ff3fd1e..2342327f3335 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -311,6 +311,9 @@ static int hidp_get_raw_report(struct hid_device *hid, int numbered_reports = hid->report_enum[report_type].numbered; int ret; + if (atomic_read(&session->terminate)) + return -EIO; + switch (report_type) { case HID_FEATURE_REPORT: report_type = HIDP_TRANS_GET_REPORT | HIDP_DATA_RTYPE_FEATURE; @@ -722,6 +725,7 @@ static int hidp_session(void *arg) set_current_state(TASK_INTERRUPTIBLE); } set_current_state(TASK_RUNNING); + atomic_inc(&session->terminate); remove_wait_queue(sk_sleep(intr_sk), &intr_wait); remove_wait_queue(sk_sleep(ctrl_sk), &ctrl_wait); diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c index 82a829d90b0f..5d0f1ca0a314 100644 --- a/net/bluetooth/hidp/sock.c +++ b/net/bluetooth/hidp/sock.c @@ -304,8 +304,6 @@ error: void __exit hidp_cleanup_sockets(void) { bt_procfs_cleanup(&init_net, "hidp"); - if (bt_sock_unregister(BTPROTO_HIDP) < 0) - BT_ERR("Can't unregister HIDP socket"); - + bt_sock_unregister(BTPROTO_HIDP); proto_unregister(&hidp_proto); } diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 1bcfb8422fdc..7f9704993b74 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -1312,8 +1312,6 @@ error: void l2cap_cleanup_sockets(void) { bt_procfs_cleanup(&init_net, "l2cap"); - if (bt_sock_unregister(BTPROTO_L2CAP) < 0) - BT_ERR("L2CAP socket unregistration failed"); - + bt_sock_unregister(BTPROTO_L2CAP); proto_unregister(&l2cap_proto); } diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 39395c7144aa..03e7e732215f 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -384,7 +384,8 @@ static u32 get_supported_settings(struct hci_dev *hdev) if (lmp_bredr_capable(hdev)) { settings |= MGMT_SETTING_CONNECTABLE; - settings |= MGMT_SETTING_FAST_CONNECTABLE; + if (hdev->hci_ver >= BLUETOOTH_VER_1_2) + settings |= MGMT_SETTING_FAST_CONNECTABLE; settings |= MGMT_SETTING_DISCOVERABLE; settings |= MGMT_SETTING_BREDR; settings |= MGMT_SETTING_LINK_SECURITY; @@ -409,6 +410,9 @@ static u32 get_current_settings(struct hci_dev *hdev) if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) settings |= MGMT_SETTING_CONNECTABLE; + if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) + settings |= MGMT_SETTING_FAST_CONNECTABLE; + if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) settings |= MGMT_SETTING_DISCOVERABLE; @@ -591,32 +595,33 @@ static void create_eir(struct hci_dev *hdev, u8 *data) ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); } -static int update_eir(struct hci_dev *hdev) +static void update_eir(struct hci_request *req) { + struct hci_dev *hdev = req->hdev; struct hci_cp_write_eir cp; if (!hdev_is_powered(hdev)) - return 0; + return; if (!lmp_ext_inq_capable(hdev)) - return 0; + return; if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) - return 0; + return; if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) - return 0; + return; memset(&cp, 0, sizeof(cp)); create_eir(hdev, cp.data); if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0) - return 0; + return; memcpy(hdev->eir, cp.data, sizeof(cp.data)); - return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp); + hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); } static u8 get_service_classes(struct hci_dev *hdev) @@ -630,47 +635,48 @@ static u8 get_service_classes(struct hci_dev *hdev) return val; } -static int update_class(struct hci_dev *hdev) +static void update_class(struct hci_request *req) { + struct hci_dev *hdev = req->hdev; u8 cod[3]; - int err; BT_DBG("%s", hdev->name); if (!hdev_is_powered(hdev)) - return 0; + return; if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) - return 0; + return; cod[0] = hdev->minor_class; cod[1] = hdev->major_class; cod[2] = get_service_classes(hdev); if (memcmp(cod, hdev->dev_class, 3) == 0) - return 0; - - err = hci_send_cmd(hdev, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); - if (err == 0) - set_bit(HCI_PENDING_CLASS, &hdev->dev_flags); + return; - return err; + hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); } static void service_cache_off(struct work_struct *work) { struct hci_dev *hdev = container_of(work, struct hci_dev, service_cache.work); + struct hci_request req; if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) return; + hci_req_init(&req, hdev); + hci_dev_lock(hdev); - update_eir(hdev); - update_class(hdev); + update_eir(&req); + update_class(&req); hci_dev_unlock(hdev); + + hci_req_run(&req, NULL); } static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev) @@ -994,11 +1000,64 @@ failed: return err; } +static void write_fast_connectable(struct hci_request *req, bool enable) +{ + struct hci_dev *hdev = req->hdev; + struct hci_cp_write_page_scan_activity acp; + u8 type; + + if (hdev->hci_ver < BLUETOOTH_VER_1_2) + return; + + if (enable) { + type = PAGE_SCAN_TYPE_INTERLACED; + + /* 160 msec page scan interval */ + acp.interval = __constant_cpu_to_le16(0x0100); + } else { + type = PAGE_SCAN_TYPE_STANDARD; /* default */ + + /* default 1.28 sec page scan */ + acp.interval = __constant_cpu_to_le16(0x0800); + } + + acp.window = __constant_cpu_to_le16(0x0012); + + if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval || + __cpu_to_le16(hdev->page_scan_window) != acp.window) + hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, + sizeof(acp), &acp); + + if (hdev->page_scan_type != type) + hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type); +} + +static void set_connectable_complete(struct hci_dev *hdev, u8 status) +{ + struct pending_cmd *cmd; + + BT_DBG("status 0x%02x", status); + + hci_dev_lock(hdev); + + cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev); + if (!cmd) + goto unlock; + + send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev); + + mgmt_pending_remove(cmd); + +unlock: + hci_dev_unlock(hdev); +} + static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { struct mgmt_mode *cp = data; struct pending_cmd *cmd; + struct hci_request req; u8 scan; int err; @@ -1065,7 +1124,20 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, cancel_delayed_work(&hdev->discov_off); } - err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); + hci_req_init(&req, hdev); + + hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); + + /* If we're going from non-connectable to connectable or + * vice-versa when fast connectable is enabled ensure that fast + * connectable gets disabled. write_fast_connectable won't do + * anything if the page scan parameters are already what they + * should be. + */ + if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) + write_fast_connectable(&req, false); + + err = hci_req_run(&req, set_connectable_complete); if (err < 0) mgmt_pending_remove(cmd); @@ -1332,6 +1404,29 @@ unlock: return err; } +/* This is a helper function to test for pending mgmt commands that can + * cause CoD or EIR HCI commands. We can only allow one such pending + * mgmt command at a time since otherwise we cannot easily track what + * the current values are, will be, and based on that calculate if a new + * HCI command needs to be sent and if yes with what value. + */ +static bool pending_eir_or_class(struct hci_dev *hdev) +{ + struct pending_cmd *cmd; + + list_for_each_entry(cmd, &hdev->mgmt_pending, list) { + switch (cmd->opcode) { + case MGMT_OP_ADD_UUID: + case MGMT_OP_REMOVE_UUID: + case MGMT_OP_SET_DEV_CLASS: + case MGMT_OP_SET_POWERED: + return true; + } + } + + return false; +} + static const u8 bluetooth_base_uuid[] = { 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, @@ -1351,10 +1446,37 @@ static u8 get_uuid_size(const u8 *uuid) return 16; } +static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status) +{ + struct pending_cmd *cmd; + + hci_dev_lock(hdev); + + cmd = mgmt_pending_find(mgmt_op, hdev); + if (!cmd) + goto unlock; + + cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status), + hdev->dev_class, 3); + + mgmt_pending_remove(cmd); + +unlock: + hci_dev_unlock(hdev); +} + +static void add_uuid_complete(struct hci_dev *hdev, u8 status) +{ + BT_DBG("status 0x%02x", status); + + mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status); +} + static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { struct mgmt_cp_add_uuid *cp = data; struct pending_cmd *cmd; + struct hci_request req; struct bt_uuid *uuid; int err; @@ -1362,7 +1484,7 @@ static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) hci_dev_lock(hdev); - if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) { + if (pending_eir_or_class(hdev)) { err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID, MGMT_STATUS_BUSY); goto failed; @@ -1380,23 +1502,28 @@ static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) list_add_tail(&uuid->list, &hdev->uuids); - err = update_class(hdev); - if (err < 0) - goto failed; + hci_req_init(&req, hdev); - err = update_eir(hdev); - if (err < 0) - goto failed; + update_class(&req); + update_eir(&req); + + err = hci_req_run(&req, add_uuid_complete); + if (err < 0) { + if (err != -ENODATA) + goto failed; - if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) { err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0, hdev->dev_class, 3); goto failed; } cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len); - if (!cmd) + if (!cmd) { err = -ENOMEM; + goto failed; + } + + err = 0; failed: hci_dev_unlock(hdev); @@ -1417,6 +1544,13 @@ static bool enable_service_cache(struct hci_dev *hdev) return false; } +static void remove_uuid_complete(struct hci_dev *hdev, u8 status) +{ + BT_DBG("status 0x%02x", status); + + mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status); +} + static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { @@ -1424,13 +1558,14 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, struct pending_cmd *cmd; struct bt_uuid *match, *tmp; u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; + struct hci_request req; int err, found; BT_DBG("request for %s", hdev->name); hci_dev_lock(hdev); - if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) { + if (pending_eir_or_class(hdev)) { err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, MGMT_STATUS_BUSY); goto unlock; @@ -1466,34 +1601,47 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, } update_class: - err = update_class(hdev); - if (err < 0) - goto unlock; + hci_req_init(&req, hdev); - err = update_eir(hdev); - if (err < 0) - goto unlock; + update_class(&req); + update_eir(&req); + + err = hci_req_run(&req, remove_uuid_complete); + if (err < 0) { + if (err != -ENODATA) + goto unlock; - if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) { err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0, hdev->dev_class, 3); goto unlock; } cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len); - if (!cmd) + if (!cmd) { err = -ENOMEM; + goto unlock; + } + + err = 0; unlock: hci_dev_unlock(hdev); return err; } +static void set_class_complete(struct hci_dev *hdev, u8 status) +{ + BT_DBG("status 0x%02x", status); + + mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status); +} + static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { struct mgmt_cp_set_dev_class *cp = data; struct pending_cmd *cmd; + struct hci_request req; int err; BT_DBG("request for %s", hdev->name); @@ -1502,15 +1650,19 @@ static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data, return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, MGMT_STATUS_NOT_SUPPORTED); - if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) - return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, - MGMT_STATUS_BUSY); + hci_dev_lock(hdev); - if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) - return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, - MGMT_STATUS_INVALID_PARAMS); + if (pending_eir_or_class(hdev)) { + err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, + MGMT_STATUS_BUSY); + goto unlock; + } - hci_dev_lock(hdev); + if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) { + err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, + MGMT_STATUS_INVALID_PARAMS); + goto unlock; + } hdev->major_class = cp->major; hdev->minor_class = cp->minor; @@ -1521,26 +1673,34 @@ static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data, goto unlock; } + hci_req_init(&req, hdev); + if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) { hci_dev_unlock(hdev); cancel_delayed_work_sync(&hdev->service_cache); hci_dev_lock(hdev); - update_eir(hdev); + update_eir(&req); } - err = update_class(hdev); - if (err < 0) - goto unlock; + update_class(&req); + + err = hci_req_run(&req, set_class_complete); + if (err < 0) { + if (err != -ENODATA) + goto unlock; - if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) { err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, hdev->dev_class, 3); goto unlock; } cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len); - if (!cmd) + if (!cmd) { err = -ENOMEM; + goto unlock; + } + + err = 0; unlock: hci_dev_unlock(hdev); @@ -2140,7 +2300,7 @@ unlock: } static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev, - bdaddr_t *bdaddr, u8 type, u16 mgmt_op, + struct mgmt_addr_info *addr, u16 mgmt_op, u16 hci_op, __le32 passkey) { struct pending_cmd *cmd; @@ -2150,37 +2310,41 @@ static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev, hci_dev_lock(hdev); if (!hdev_is_powered(hdev)) { - err = cmd_status(sk, hdev->id, mgmt_op, - MGMT_STATUS_NOT_POWERED); + err = cmd_complete(sk, hdev->id, mgmt_op, + MGMT_STATUS_NOT_POWERED, addr, + sizeof(*addr)); goto done; } - if (type == BDADDR_BREDR) - conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, bdaddr); + if (addr->type == BDADDR_BREDR) + conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr); else - conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, bdaddr); + conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr); if (!conn) { - err = cmd_status(sk, hdev->id, mgmt_op, - MGMT_STATUS_NOT_CONNECTED); + err = cmd_complete(sk, hdev->id, mgmt_op, + MGMT_STATUS_NOT_CONNECTED, addr, + sizeof(*addr)); goto done; } - if (type == BDADDR_LE_PUBLIC || type == BDADDR_LE_RANDOM) { + if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) { /* Continue with pairing via SMP */ err = smp_user_confirm_reply(conn, mgmt_op, passkey); if (!err) - err = cmd_status(sk, hdev->id, mgmt_op, - MGMT_STATUS_SUCCESS); + err = cmd_complete(sk, hdev->id, mgmt_op, + MGMT_STATUS_SUCCESS, addr, + sizeof(*addr)); else - err = cmd_status(sk, hdev->id, mgmt_op, - MGMT_STATUS_FAILED); + err = cmd_complete(sk, hdev->id, mgmt_op, + MGMT_STATUS_FAILED, addr, + sizeof(*addr)); goto done; } - cmd = mgmt_pending_add(sk, mgmt_op, hdev, bdaddr, sizeof(*bdaddr)); + cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr)); if (!cmd) { err = -ENOMEM; goto done; @@ -2190,11 +2354,12 @@ static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev, if (hci_op == HCI_OP_USER_PASSKEY_REPLY) { struct hci_cp_user_passkey_reply cp; - bacpy(&cp.bdaddr, bdaddr); + bacpy(&cp.bdaddr, &addr->bdaddr); cp.passkey = passkey; err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp); } else - err = hci_send_cmd(hdev, hci_op, sizeof(*bdaddr), bdaddr); + err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr), + &addr->bdaddr); if (err < 0) mgmt_pending_remove(cmd); @@ -2211,7 +2376,7 @@ static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, BT_DBG(""); - return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type, + return user_pairing_resp(sk, hdev, &cp->addr, MGMT_OP_PIN_CODE_NEG_REPLY, HCI_OP_PIN_CODE_NEG_REPLY, 0); } @@ -2227,7 +2392,7 @@ static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data, return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY, MGMT_STATUS_INVALID_PARAMS); - return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type, + return user_pairing_resp(sk, hdev, &cp->addr, MGMT_OP_USER_CONFIRM_REPLY, HCI_OP_USER_CONFIRM_REPLY, 0); } @@ -2239,7 +2404,7 @@ static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev, BT_DBG(""); - return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type, + return user_pairing_resp(sk, hdev, &cp->addr, MGMT_OP_USER_CONFIRM_NEG_REPLY, HCI_OP_USER_CONFIRM_NEG_REPLY, 0); } @@ -2251,7 +2416,7 @@ static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data, BT_DBG(""); - return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type, + return user_pairing_resp(sk, hdev, &cp->addr, MGMT_OP_USER_PASSKEY_REPLY, HCI_OP_USER_PASSKEY_REPLY, cp->passkey); } @@ -2263,18 +2428,47 @@ static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev, BT_DBG(""); - return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type, + return user_pairing_resp(sk, hdev, &cp->addr, MGMT_OP_USER_PASSKEY_NEG_REPLY, HCI_OP_USER_PASSKEY_NEG_REPLY, 0); } -static int update_name(struct hci_dev *hdev, const char *name) +static void update_name(struct hci_request *req) { + struct hci_dev *hdev = req->hdev; struct hci_cp_write_local_name cp; - memcpy(cp.name, name, sizeof(cp.name)); + memcpy(cp.name, hdev->dev_name, sizeof(cp.name)); + + hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp); +} + +static void set_name_complete(struct hci_dev *hdev, u8 status) +{ + struct mgmt_cp_set_local_name *cp; + struct pending_cmd *cmd; + + BT_DBG("status 0x%02x", status); + + hci_dev_lock(hdev); + + cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); + if (!cmd) + goto unlock; + + cp = cmd->param; - return hci_send_cmd(hdev, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp); + if (status) + cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, + mgmt_status(status)); + else + cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, + cp, sizeof(*cp)); + + mgmt_pending_remove(cmd); + +unlock: + hci_dev_unlock(hdev); } static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data, @@ -2282,12 +2476,24 @@ static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data, { struct mgmt_cp_set_local_name *cp = data; struct pending_cmd *cmd; + struct hci_request req; int err; BT_DBG(""); hci_dev_lock(hdev); + /* If the old values are the same as the new ones just return a + * direct command complete event. + */ + if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) && + !memcmp(hdev->short_name, cp->short_name, + sizeof(hdev->short_name))) { + err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, + data, len); + goto failed; + } + memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name)); if (!hdev_is_powered(hdev)) { @@ -2310,7 +2516,19 @@ static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data, goto failed; } - err = update_name(hdev, cp->name); + memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); + + hci_req_init(&req, hdev); + + if (lmp_bredr_capable(hdev)) { + update_name(&req); + update_eir(&req); + } + + if (lmp_le_capable(hdev)) + hci_update_ad(&req); + + err = hci_req_run(&req, set_name_complete); if (err < 0) mgmt_pending_remove(cmd); @@ -2698,6 +2916,7 @@ static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { struct mgmt_cp_set_device_id *cp = data; + struct hci_request req; int err; __u16 source; @@ -2718,24 +2937,59 @@ static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data, err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0); - update_eir(hdev); + hci_req_init(&req, hdev); + update_eir(&req); + hci_req_run(&req, NULL); hci_dev_unlock(hdev); return err; } +static void fast_connectable_complete(struct hci_dev *hdev, u8 status) +{ + struct pending_cmd *cmd; + + BT_DBG("status 0x%02x", status); + + hci_dev_lock(hdev); + + cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev); + if (!cmd) + goto unlock; + + if (status) { + cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, + mgmt_status(status)); + } else { + struct mgmt_mode *cp = cmd->param; + + if (cp->val) + set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags); + else + clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags); + + send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev); + new_settings(hdev, cmd->sk); + } + + mgmt_pending_remove(cmd); + +unlock: + hci_dev_unlock(hdev); +} + static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { struct mgmt_mode *cp = data; - struct hci_cp_write_page_scan_activity acp; - u8 type; + struct pending_cmd *cmd; + struct hci_request req; int err; BT_DBG("%s", hdev->name); - if (!lmp_bredr_capable(hdev)) + if (!lmp_bredr_capable(hdev) || hdev->hci_ver < BLUETOOTH_VER_1_2) return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, MGMT_STATUS_NOT_SUPPORTED); @@ -2753,40 +3007,39 @@ static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, hci_dev_lock(hdev); - if (cp->val) { - type = PAGE_SCAN_TYPE_INTERLACED; + if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) { + err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, + MGMT_STATUS_BUSY); + goto unlock; + } - /* 160 msec page scan interval */ - acp.interval = __constant_cpu_to_le16(0x0100); - } else { - type = PAGE_SCAN_TYPE_STANDARD; /* default */ + if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) { + err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE, + hdev); + goto unlock; + } - /* default 1.28 sec page scan */ - acp.interval = __constant_cpu_to_le16(0x0800); + cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev, + data, len); + if (!cmd) { + err = -ENOMEM; + goto unlock; } - /* default 11.25 msec page scan window */ - acp.window = __constant_cpu_to_le16(0x0012); + hci_req_init(&req, hdev); - err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, sizeof(acp), - &acp); - if (err < 0) { - err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, - MGMT_STATUS_FAILED); - goto done; - } + write_fast_connectable(&req, cp->val); - err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type); + err = hci_req_run(&req, fast_connectable_complete); if (err < 0) { err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, MGMT_STATUS_FAILED); - goto done; + mgmt_pending_remove(cmd); } - err = cmd_complete(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, 0, - NULL, 0); -done: +unlock: hci_dev_unlock(hdev); + return err; } @@ -3043,79 +3296,115 @@ static void settings_rsp(struct pending_cmd *cmd, void *data) mgmt_pending_free(cmd); } -static int set_bredr_scan(struct hci_dev *hdev) +static void set_bredr_scan(struct hci_request *req) { + struct hci_dev *hdev = req->hdev; u8 scan = 0; + /* Ensure that fast connectable is disabled. This function will + * not do anything if the page scan parameters are already what + * they should be. + */ + write_fast_connectable(req, false); + if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) scan |= SCAN_PAGE; if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) scan |= SCAN_INQUIRY; - if (!scan) - return 0; - - return hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); + if (scan) + hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); } -int mgmt_powered(struct hci_dev *hdev, u8 powered) +static void powered_complete(struct hci_dev *hdev, u8 status) { struct cmd_lookup match = { NULL, hdev }; - int err; - if (!test_bit(HCI_MGMT, &hdev->dev_flags)) - return 0; + BT_DBG("status 0x%02x", status); + + hci_dev_lock(hdev); mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); - if (powered) { - u8 link_sec; + new_settings(hdev, match.sk); - if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && - !lmp_host_ssp_capable(hdev)) { - u8 ssp = 1; + hci_dev_unlock(hdev); - hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &ssp); - } + if (match.sk) + sock_put(match.sk); +} - if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { - struct hci_cp_write_le_host_supported cp; +static int powered_update_hci(struct hci_dev *hdev) +{ + struct hci_request req; + u8 link_sec; - cp.le = 1; - cp.simul = lmp_le_br_capable(hdev); + hci_req_init(&req, hdev); - /* Check first if we already have the right - * host state (host features set) - */ - if (cp.le != lmp_host_le_capable(hdev) || - cp.simul != lmp_host_le_br_capable(hdev)) - hci_send_cmd(hdev, - HCI_OP_WRITE_LE_HOST_SUPPORTED, - sizeof(cp), &cp); - } + if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && + !lmp_host_ssp_capable(hdev)) { + u8 ssp = 1; - link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags); - if (link_sec != test_bit(HCI_AUTH, &hdev->flags)) - hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, - sizeof(link_sec), &link_sec); + hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp); + } - if (lmp_bredr_capable(hdev)) { - set_bredr_scan(hdev); - update_class(hdev); - update_name(hdev, hdev->dev_name); - update_eir(hdev); - } - } else { - u8 status = MGMT_STATUS_NOT_POWERED; - u8 zero_cod[] = { 0, 0, 0 }; + if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { + struct hci_cp_write_le_host_supported cp; - mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status); + cp.le = 1; + cp.simul = lmp_le_br_capable(hdev); - if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) - mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, - zero_cod, sizeof(zero_cod), NULL); + /* Check first if we already have the right + * host state (host features set) + */ + if (cp.le != lmp_host_le_capable(hdev) || + cp.simul != lmp_host_le_br_capable(hdev)) + hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, + sizeof(cp), &cp); } + link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags); + if (link_sec != test_bit(HCI_AUTH, &hdev->flags)) + hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE, + sizeof(link_sec), &link_sec); + + if (lmp_bredr_capable(hdev)) { + set_bredr_scan(&req); + update_class(&req); + update_name(&req); + update_eir(&req); + } + + return hci_req_run(&req, powered_complete); +} + +int mgmt_powered(struct hci_dev *hdev, u8 powered) +{ + struct cmd_lookup match = { NULL, hdev }; + u8 status_not_powered = MGMT_STATUS_NOT_POWERED; + u8 zero_cod[] = { 0, 0, 0 }; + int err; + + if (!test_bit(HCI_MGMT, &hdev->dev_flags)) + return 0; + + if (powered) { + if (powered_update_hci(hdev) == 0) + return 0; + + mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, + &match); + goto new_settings; + } + + mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); + mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered); + + if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) + mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, + zero_cod, sizeof(zero_cod), NULL); + +new_settings: err = new_settings(hdev, match.sk); if (match.sk) @@ -3152,7 +3441,7 @@ int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable) int mgmt_connectable(struct hci_dev *hdev, u8 connectable) { - struct cmd_lookup match = { NULL, hdev }; + struct pending_cmd *cmd; bool changed = false; int err = 0; @@ -3164,14 +3453,10 @@ int mgmt_connectable(struct hci_dev *hdev, u8 connectable) changed = true; } - mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev, settings_rsp, - &match); + cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev); if (changed) - err = new_settings(hdev, match.sk); - - if (match.sk) - sock_put(match.sk); + err = new_settings(hdev, cmd ? cmd->sk : NULL); return err; } @@ -3555,23 +3840,25 @@ int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status) return err; } -static int clear_eir(struct hci_dev *hdev) +static void clear_eir(struct hci_request *req) { + struct hci_dev *hdev = req->hdev; struct hci_cp_write_eir cp; if (!lmp_ext_inq_capable(hdev)) - return 0; + return; memset(hdev->eir, 0, sizeof(hdev->eir)); memset(&cp, 0, sizeof(cp)); - return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp); + hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); } int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) { struct cmd_lookup match = { NULL, hdev }; + struct hci_request req; bool changed = false; int err = 0; @@ -3604,29 +3891,26 @@ int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) if (match.sk) sock_put(match.sk); + hci_req_init(&req, hdev); + if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) - update_eir(hdev); + update_eir(&req); else - clear_eir(hdev); + clear_eir(&req); + + hci_req_run(&req, NULL); return err; } -static void class_rsp(struct pending_cmd *cmd, void *data) +static void sk_lookup(struct pending_cmd *cmd, void *data) { struct cmd_lookup *match = data; - cmd_complete(cmd->sk, cmd->index, cmd->opcode, match->mgmt_status, - match->hdev->dev_class, 3); - - list_del(&cmd->list); - if (match->sk == NULL) { match->sk = cmd->sk; sock_hold(match->sk); } - - mgmt_pending_free(cmd); } int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, @@ -3635,11 +3919,9 @@ int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, struct cmd_lookup match = { NULL, hdev, mgmt_status(status) }; int err = 0; - clear_bit(HCI_PENDING_CLASS, &hdev->dev_flags); - - mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, class_rsp, &match); - mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, class_rsp, &match); - mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, class_rsp, &match); + mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match); + mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match); + mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match); if (!status) err = mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, @@ -3653,55 +3935,29 @@ int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status) { - struct pending_cmd *cmd; struct mgmt_cp_set_local_name ev; - bool changed = false; - int err = 0; + struct pending_cmd *cmd; - if (memcmp(name, hdev->dev_name, sizeof(hdev->dev_name)) != 0) { - memcpy(hdev->dev_name, name, sizeof(hdev->dev_name)); - changed = true; - } + if (status) + return 0; memset(&ev, 0, sizeof(ev)); memcpy(ev.name, name, HCI_MAX_NAME_LENGTH); memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH); cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); - if (!cmd) - goto send_event; - - /* Always assume that either the short or the complete name has - * changed if there was a pending mgmt command */ - changed = true; + if (!cmd) { + memcpy(hdev->dev_name, name, sizeof(hdev->dev_name)); - if (status) { - err = cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, - mgmt_status(status)); - goto failed; + /* If this is a HCI command related to powering on the + * HCI dev don't send any mgmt signals. + */ + if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) + return 0; } - err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, &ev, - sizeof(ev)); - if (err < 0) - goto failed; - -send_event: - if (changed) - err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, - sizeof(ev), cmd ? cmd->sk : NULL); - - /* EIR is taken care of separately when powering on the - * adapter so only update them here if this is a name change - * unrelated to power on. - */ - if (!test_bit(HCI_INIT, &hdev->flags)) - update_eir(hdev); - -failed: - if (cmd) - mgmt_pending_remove(cmd); - return err; + return mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev), + cmd ? cmd->sk : NULL); } int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index b23e2713fea8..ca957d34b0c8 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -69,7 +69,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, u8 sec_level, int *err); static struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst); -static void rfcomm_session_del(struct rfcomm_session *s); +static struct rfcomm_session *rfcomm_session_del(struct rfcomm_session *s); /* ---- RFCOMM frame parsing macros ---- */ #define __get_dlci(b) ((b & 0xfc) >> 2) @@ -108,12 +108,6 @@ static void rfcomm_schedule(void) wake_up_process(rfcomm_thread); } -static void rfcomm_session_put(struct rfcomm_session *s) -{ - if (atomic_dec_and_test(&s->refcnt)) - rfcomm_session_del(s); -} - /* ---- RFCOMM FCS computation ---- */ /* reversed, 8-bit, poly=0x07 */ @@ -249,16 +243,14 @@ static void rfcomm_session_set_timer(struct rfcomm_session *s, long timeout) { BT_DBG("session %p state %ld timeout %ld", s, s->state, timeout); - if (!mod_timer(&s->timer, jiffies + timeout)) - rfcomm_session_hold(s); + mod_timer(&s->timer, jiffies + timeout); } static void rfcomm_session_clear_timer(struct rfcomm_session *s) { BT_DBG("session %p state %ld", s, s->state); - if (del_timer(&s->timer)) - rfcomm_session_put(s); + del_timer_sync(&s->timer); } /* ---- RFCOMM DLCs ---- */ @@ -336,8 +328,6 @@ static void rfcomm_dlc_link(struct rfcomm_session *s, struct rfcomm_dlc *d) { BT_DBG("dlc %p session %p", d, s); - rfcomm_session_hold(s); - rfcomm_session_clear_timer(s); rfcomm_dlc_hold(d); list_add(&d->list, &s->dlcs); @@ -356,8 +346,6 @@ static void rfcomm_dlc_unlink(struct rfcomm_dlc *d) if (list_empty(&s->dlcs)) rfcomm_session_set_timer(s, RFCOMM_IDLE_TIMEOUT); - - rfcomm_session_put(s); } static struct rfcomm_dlc *rfcomm_dlc_get(struct rfcomm_session *s, u8 dlci) @@ -493,12 +481,34 @@ static int __rfcomm_dlc_close(struct rfcomm_dlc *d, int err) int rfcomm_dlc_close(struct rfcomm_dlc *d, int err) { - int r; + int r = 0; + struct rfcomm_dlc *d_list; + struct rfcomm_session *s, *s_list; + + BT_DBG("dlc %p state %ld dlci %d err %d", d, d->state, d->dlci, err); rfcomm_lock(); - r = __rfcomm_dlc_close(d, err); + s = d->session; + if (!s) + goto no_session; + + /* after waiting on the mutex check the session still exists + * then check the dlc still exists + */ + list_for_each_entry(s_list, &session_list, list) { + if (s_list == s) { + list_for_each_entry(d_list, &s->dlcs, list) { + if (d_list == d) { + r = __rfcomm_dlc_close(d, err); + break; + } + } + break; + } + } +no_session: rfcomm_unlock(); return r; } @@ -609,7 +619,7 @@ static struct rfcomm_session *rfcomm_session_add(struct socket *sock, int state) return s; } -static void rfcomm_session_del(struct rfcomm_session *s) +static struct rfcomm_session *rfcomm_session_del(struct rfcomm_session *s) { int state = s->state; @@ -617,15 +627,14 @@ static void rfcomm_session_del(struct rfcomm_session *s) list_del(&s->list); - if (state == BT_CONNECTED) - rfcomm_send_disc(s, 0); - rfcomm_session_clear_timer(s); sock_release(s->sock); kfree(s); if (state != BT_LISTEN) module_put(THIS_MODULE); + + return NULL; } static struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst) @@ -644,17 +653,16 @@ static struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst) return NULL; } -static void rfcomm_session_close(struct rfcomm_session *s, int err) +static struct rfcomm_session *rfcomm_session_close(struct rfcomm_session *s, + int err) { struct rfcomm_dlc *d; struct list_head *p, *n; - BT_DBG("session %p state %ld err %d", s, s->state, err); - - rfcomm_session_hold(s); - s->state = BT_CLOSED; + BT_DBG("session %p state %ld err %d", s, s->state, err); + /* Close all dlcs */ list_for_each_safe(p, n, &s->dlcs) { d = list_entry(p, struct rfcomm_dlc, list); @@ -663,7 +671,7 @@ static void rfcomm_session_close(struct rfcomm_session *s, int err) } rfcomm_session_clear_timer(s); - rfcomm_session_put(s); + return rfcomm_session_del(s); } static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, @@ -715,8 +723,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, if (*err == 0 || *err == -EINPROGRESS) return s; - rfcomm_session_del(s); - return NULL; + return rfcomm_session_del(s); failed: sock_release(sock); @@ -1105,7 +1112,7 @@ static void rfcomm_make_uih(struct sk_buff *skb, u8 addr) } /* ---- RFCOMM frame reception ---- */ -static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci) +static struct rfcomm_session *rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci) { BT_DBG("session %p state %ld dlci %d", s, s->state, dlci); @@ -1114,7 +1121,7 @@ static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci) struct rfcomm_dlc *d = rfcomm_dlc_get(s, dlci); if (!d) { rfcomm_send_dm(s, dlci); - return 0; + return s; } switch (d->state) { @@ -1150,25 +1157,14 @@ static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci) break; case BT_DISCONN: - /* rfcomm_session_put is called later so don't do - * anything here otherwise we will mess up the session - * reference counter: - * - * (a) when we are the initiator dlc_unlink will drive - * the reference counter to 0 (there is no initial put - * after session_add) - * - * (b) when we are not the initiator rfcomm_rx_process - * will explicitly call put to balance the initial hold - * done after session add. - */ + s = rfcomm_session_close(s, ECONNRESET); break; } } - return 0; + return s; } -static int rfcomm_recv_dm(struct rfcomm_session *s, u8 dlci) +static struct rfcomm_session *rfcomm_recv_dm(struct rfcomm_session *s, u8 dlci) { int err = 0; @@ -1192,13 +1188,13 @@ static int rfcomm_recv_dm(struct rfcomm_session *s, u8 dlci) else err = ECONNRESET; - s->state = BT_CLOSED; - rfcomm_session_close(s, err); + s = rfcomm_session_close(s, err); } - return 0; + return s; } -static int rfcomm_recv_disc(struct rfcomm_session *s, u8 dlci) +static struct rfcomm_session *rfcomm_recv_disc(struct rfcomm_session *s, + u8 dlci) { int err = 0; @@ -1227,11 +1223,9 @@ static int rfcomm_recv_disc(struct rfcomm_session *s, u8 dlci) else err = ECONNRESET; - s->state = BT_CLOSED; - rfcomm_session_close(s, err); + s = rfcomm_session_close(s, err); } - - return 0; + return s; } void rfcomm_dlc_accept(struct rfcomm_dlc *d) @@ -1652,11 +1646,18 @@ drop: return 0; } -static int rfcomm_recv_frame(struct rfcomm_session *s, struct sk_buff *skb) +static struct rfcomm_session *rfcomm_recv_frame(struct rfcomm_session *s, + struct sk_buff *skb) { struct rfcomm_hdr *hdr = (void *) skb->data; u8 type, dlci, fcs; + if (!s) { + /* no session, so free socket data */ + kfree_skb(skb); + return s; + } + dlci = __get_dlci(hdr->addr); type = __get_type(hdr->ctrl); @@ -1667,7 +1668,7 @@ static int rfcomm_recv_frame(struct rfcomm_session *s, struct sk_buff *skb) if (__check_fcs(skb->data, type, fcs)) { BT_ERR("bad checksum in packet"); kfree_skb(skb); - return -EILSEQ; + return s; } if (__test_ea(hdr->len)) @@ -1683,22 +1684,23 @@ static int rfcomm_recv_frame(struct rfcomm_session *s, struct sk_buff *skb) case RFCOMM_DISC: if (__test_pf(hdr->ctrl)) - rfcomm_recv_disc(s, dlci); + s = rfcomm_recv_disc(s, dlci); break; case RFCOMM_UA: if (__test_pf(hdr->ctrl)) - rfcomm_recv_ua(s, dlci); + s = rfcomm_recv_ua(s, dlci); break; case RFCOMM_DM: - rfcomm_recv_dm(s, dlci); + s = rfcomm_recv_dm(s, dlci); break; case RFCOMM_UIH: - if (dlci) - return rfcomm_recv_data(s, dlci, __test_pf(hdr->ctrl), skb); - + if (dlci) { + rfcomm_recv_data(s, dlci, __test_pf(hdr->ctrl), skb); + return s; + } rfcomm_recv_mcc(s, skb); break; @@ -1707,7 +1709,7 @@ static int rfcomm_recv_frame(struct rfcomm_session *s, struct sk_buff *skb) break; } kfree_skb(skb); - return 0; + return s; } /* ---- Connection and data processing ---- */ @@ -1844,7 +1846,7 @@ static void rfcomm_process_dlcs(struct rfcomm_session *s) } } -static void rfcomm_process_rx(struct rfcomm_session *s) +static struct rfcomm_session *rfcomm_process_rx(struct rfcomm_session *s) { struct socket *sock = s->sock; struct sock *sk = sock->sk; @@ -1856,17 +1858,15 @@ static void rfcomm_process_rx(struct rfcomm_session *s) while ((skb = skb_dequeue(&sk->sk_receive_queue))) { skb_orphan(skb); if (!skb_linearize(skb)) - rfcomm_recv_frame(s, skb); + s = rfcomm_recv_frame(s, skb); else kfree_skb(skb); } - if (sk->sk_state == BT_CLOSED) { - if (!s->initiator) - rfcomm_session_put(s); + if (s && (sk->sk_state == BT_CLOSED)) + s = rfcomm_session_close(s, sk->sk_err); - rfcomm_session_close(s, sk->sk_err); - } + return s; } static void rfcomm_accept_connection(struct rfcomm_session *s) @@ -1891,8 +1891,6 @@ static void rfcomm_accept_connection(struct rfcomm_session *s) s = rfcomm_session_add(nsock, BT_OPEN); if (s) { - rfcomm_session_hold(s); - /* We should adjust MTU on incoming sessions. * L2CAP MTU minus UIH header and FCS. */ s->mtu = min(l2cap_pi(nsock->sk)->chan->omtu, @@ -1903,7 +1901,7 @@ static void rfcomm_accept_connection(struct rfcomm_session *s) sock_release(nsock); } -static void rfcomm_check_connection(struct rfcomm_session *s) +static struct rfcomm_session *rfcomm_check_connection(struct rfcomm_session *s) { struct sock *sk = s->sock->sk; @@ -1921,10 +1919,10 @@ static void rfcomm_check_connection(struct rfcomm_session *s) break; case BT_CLOSED: - s->state = BT_CLOSED; - rfcomm_session_close(s, sk->sk_err); + s = rfcomm_session_close(s, sk->sk_err); break; } + return s; } static void rfcomm_process_sessions(void) @@ -1940,7 +1938,6 @@ static void rfcomm_process_sessions(void) if (test_and_clear_bit(RFCOMM_TIMED_OUT, &s->flags)) { s->state = BT_DISCONN; rfcomm_send_disc(s, 0); - rfcomm_session_put(s); continue; } @@ -1949,21 +1946,18 @@ static void rfcomm_process_sessions(void) continue; } - rfcomm_session_hold(s); - switch (s->state) { case BT_BOUND: - rfcomm_check_connection(s); + s = rfcomm_check_connection(s); break; default: - rfcomm_process_rx(s); + s = rfcomm_process_rx(s); break; } - rfcomm_process_dlcs(s); - - rfcomm_session_put(s); + if (s) + rfcomm_process_dlcs(s); } rfcomm_unlock(); @@ -2010,10 +2004,11 @@ static int rfcomm_add_listener(bdaddr_t *ba) /* Add listening session */ s = rfcomm_session_add(sock, BT_LISTEN); - if (!s) + if (!s) { + err = -ENOMEM; goto failed; + } - rfcomm_session_hold(s); return 0; failed: sock_release(sock); @@ -2071,8 +2066,6 @@ static void rfcomm_security_cfm(struct hci_conn *conn, u8 status, u8 encrypt) if (!s) return; - rfcomm_session_hold(s); - list_for_each_safe(p, n, &s->dlcs) { d = list_entry(p, struct rfcomm_dlc, list); @@ -2104,8 +2097,6 @@ static void rfcomm_security_cfm(struct hci_conn *conn, u8 status, u8 encrypt) set_bit(RFCOMM_AUTH_REJECT, &d->flags); } - rfcomm_session_put(s); - rfcomm_schedule(); } diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index c23bae86263b..3786ddc45152 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -1065,8 +1065,7 @@ void __exit rfcomm_cleanup_sockets(void) debugfs_remove(rfcomm_sock_debugfs); - if (bt_sock_unregister(BTPROTO_RFCOMM) < 0) - BT_ERR("RFCOMM socket layer unregistration failed"); + bt_sock_unregister(BTPROTO_RFCOMM); proto_unregister(&rfcomm_proto); } diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index fad0302bdb32..d919d1161ab4 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -1112,8 +1112,7 @@ void __exit sco_exit(void) debugfs_remove(sco_debugfs); - if (bt_sock_unregister(BTPROTO_SCO) < 0) - BT_ERR("SCO socket unregistration failed"); + bt_sock_unregister(BTPROTO_SCO); proto_unregister(&sco_proto); } |