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net/bluetooth/hci_core.c
53.9 KB
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/* |
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BlueZ - Bluetooth protocol stack for Linux Copyright (C) 2000-2001 Qualcomm Incorporated |
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Copyright (C) 2011 ProFUSION Embedded Systems |
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Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY |
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CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
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ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS |
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SOFTWARE IS DISCLAIMED. */ /* Bluetooth HCI core. */ |
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#include <linux/jiffies.h> |
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#include <linux/module.h> #include <linux/kmod.h> #include <linux/types.h> #include <linux/errno.h> #include <linux/kernel.h> |
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#include <linux/sched.h> #include <linux/slab.h> #include <linux/poll.h> #include <linux/fcntl.h> #include <linux/init.h> #include <linux/skbuff.h> |
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#include <linux/workqueue.h> |
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#include <linux/interrupt.h> #include <linux/notifier.h> |
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#include <linux/rfkill.h> |
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#include <linux/timer.h> |
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#include <linux/crypto.h> |
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#include <net/sock.h> #include <asm/system.h> |
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#include <linux/uaccess.h> |
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#include <asm/unaligned.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> |
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#define AUTO_OFF_TIMEOUT 2000 |
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int enable_hs; |
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static void hci_rx_work(struct work_struct *work); |
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static void hci_cmd_work(struct work_struct *work); |
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static void hci_tx_work(struct work_struct *work); |
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|
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/* HCI device list */ LIST_HEAD(hci_dev_list); DEFINE_RWLOCK(hci_dev_list_lock); /* HCI callback list */ LIST_HEAD(hci_cb_list); DEFINE_RWLOCK(hci_cb_list_lock); |
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/* HCI notifiers list */ |
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static ATOMIC_NOTIFIER_HEAD(hci_notifier); |
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/* ---- HCI notifications ---- */ int hci_register_notifier(struct notifier_block *nb) { |
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return atomic_notifier_chain_register(&hci_notifier, nb); |
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} int hci_unregister_notifier(struct notifier_block *nb) { |
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return atomic_notifier_chain_unregister(&hci_notifier, nb); |
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} |
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static void hci_notify(struct hci_dev *hdev, int event) |
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{ |
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atomic_notifier_call_chain(&hci_notifier, event, hdev); |
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} /* ---- HCI requests ---- */ |
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void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result) |
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{ |
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BT_DBG("%s command 0x%04x result 0x%2.2x", hdev->name, cmd, result); |
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/* 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) |
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return; |
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if (hdev->req_status == HCI_REQ_PEND) { hdev->req_result = result; hdev->req_status = HCI_REQ_DONE; wake_up_interruptible(&hdev->req_wait_q); } } static void hci_req_cancel(struct hci_dev *hdev, int err) { BT_DBG("%s err 0x%2.2x", hdev->name, err); if (hdev->req_status == HCI_REQ_PEND) { hdev->req_result = err; hdev->req_status = HCI_REQ_CANCELED; wake_up_interruptible(&hdev->req_wait_q); } } /* Execute request and wait for completion. */ |
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static int __hci_request(struct hci_dev *hdev, void (*req)(struct hci_dev *hdev, unsigned long opt), |
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unsigned long opt, __u32 timeout) |
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{ DECLARE_WAITQUEUE(wait, current); int err = 0; BT_DBG("%s start", hdev->name); hdev->req_status = HCI_REQ_PEND; 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); if (signal_pending(current)) return -EINTR; switch (hdev->req_status) { case HCI_REQ_DONE: |
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err = -bt_to_errno(hdev->req_result); |
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break; case HCI_REQ_CANCELED: err = -hdev->req_result; break; default: err = -ETIMEDOUT; break; |
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} |
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hdev->req_status = hdev->req_result = 0; |
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BT_DBG("%s end: err %d", hdev->name, err); return err; } static inline int hci_request(struct hci_dev *hdev, void (*req)(struct hci_dev *hdev, unsigned long opt), |
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unsigned long opt, __u32 timeout) |
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{ int ret; |
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if (!test_bit(HCI_UP, &hdev->flags)) return -ENETDOWN; |
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/* Serialize all requests */ hci_req_lock(hdev); ret = __hci_request(hdev, req, opt, timeout); hci_req_unlock(hdev); return ret; } static void hci_reset_req(struct hci_dev *hdev, unsigned long opt) { BT_DBG("%s %ld", hdev->name, opt); /* Reset device */ |
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set_bit(HCI_RESET, &hdev->flags); |
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hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL); |
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} |
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static void bredr_init(struct hci_dev *hdev) |
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{ |
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struct hci_cp_delete_stored_link_key cp; |
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__le16 param; |
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__u8 flt_type; |
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|
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hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_PACKET_BASED; |
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/* Mandatory initialization */ /* Reset */ |
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if (!test_bit(HCI_QUIRK_NO_RESET, &hdev->quirks)) { |
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set_bit(HCI_RESET, &hdev->flags); hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL); |
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} |
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/* Read Local Supported Features */ |
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hci_send_cmd(hdev, HCI_OP_READ_LOCAL_FEATURES, 0, NULL); |
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|
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/* Read Local Version */ |
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hci_send_cmd(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL); |
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|
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/* Read Buffer Size (ACL mtu, max pkt, etc.) */ |
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hci_send_cmd(hdev, HCI_OP_READ_BUFFER_SIZE, 0, NULL); |
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|
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/* Read BD Address */ |
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hci_send_cmd(hdev, HCI_OP_READ_BD_ADDR, 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); |
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/* Read Voice Setting */ |
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hci_send_cmd(hdev, HCI_OP_READ_VOICE_SETTING, 0, NULL); |
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/* Optional initialization */ /* Clear Event Filters */ |
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flt_type = HCI_FLT_CLEAR_ALL; |
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hci_send_cmd(hdev, HCI_OP_SET_EVENT_FLT, 1, &flt_type); |
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|
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/* Connection accept timeout ~20 secs */ |
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param = cpu_to_le16(0x7d00); |
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hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, ¶m); |
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bacpy(&cp.bdaddr, BDADDR_ANY); cp.delete_all = 1; hci_send_cmd(hdev, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp); |
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} |
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static void amp_init(struct hci_dev *hdev) { |
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hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_BLOCK_BASED; |
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/* Reset */ hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL); /* Read Local Version */ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL); } static void hci_init_req(struct hci_dev *hdev, unsigned long opt) { struct sk_buff *skb; BT_DBG("%s %ld", hdev->name, opt); /* Driver initialization */ /* 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); } skb_queue_purge(&hdev->driver_init); switch (hdev->dev_type) { case HCI_BREDR: bredr_init(hdev); break; case HCI_AMP: amp_init(hdev); break; default: BT_ERR("Unknown device type %d", hdev->dev_type); break; } } |
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static void hci_le_init_req(struct hci_dev *hdev, unsigned long opt) { BT_DBG("%s", hdev->name); /* Read LE buffer size */ hci_send_cmd(hdev, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL); } |
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static void hci_scan_req(struct hci_dev *hdev, unsigned long opt) { __u8 scan = opt; BT_DBG("%s %x", hdev->name, scan); /* Inquiry and Page scans */ |
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hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); |
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} static void hci_auth_req(struct hci_dev *hdev, unsigned long opt) { __u8 auth = opt; BT_DBG("%s %x", hdev->name, auth); /* Authentication */ |
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hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, 1, &auth); |
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} static void hci_encrypt_req(struct hci_dev *hdev, unsigned long opt) { __u8 encrypt = opt; BT_DBG("%s %x", hdev->name, encrypt); |
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/* Encryption */ |
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hci_send_cmd(hdev, HCI_OP_WRITE_ENCRYPT_MODE, 1, &encrypt); |
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} |
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static void hci_linkpol_req(struct hci_dev *hdev, unsigned long opt) { __le16 policy = cpu_to_le16(opt); |
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BT_DBG("%s %x", hdev->name, policy); |
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/* Default link policy */ hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, 2, &policy); } |
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/* Get HCI device by index. |
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* Device is held on return. */ struct hci_dev *hci_dev_get(int index) { |
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struct hci_dev *hdev = NULL, *d; |
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BT_DBG("%d", index); if (index < 0) return NULL; read_lock(&hci_dev_list_lock); |
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list_for_each_entry(d, &hci_dev_list, list) { |
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if (d->id == index) { hdev = hci_dev_hold(d); break; } } read_unlock(&hci_dev_list_lock); return hdev; } |
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/* ---- Inquiry support ---- */ static void inquiry_cache_flush(struct hci_dev *hdev) { struct inquiry_cache *cache = &hdev->inq_cache; struct inquiry_entry *next = cache->list, *e; BT_DBG("cache %p", cache); cache->list = NULL; while ((e = next)) { next = e->next; kfree(e); } } struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr) { struct inquiry_cache *cache = &hdev->inq_cache; struct inquiry_entry *e; BT_DBG("cache %p, %s", cache, batostr(bdaddr)); for (e = cache->list; e; e = e->next) if (!bacmp(&e->data.bdaddr, bdaddr)) break; return e; } void hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data) { struct inquiry_cache *cache = &hdev->inq_cache; |
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struct inquiry_entry *ie; |
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BT_DBG("cache %p, %s", cache, batostr(&data->bdaddr)); |
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ie = hci_inquiry_cache_lookup(hdev, &data->bdaddr); if (!ie) { |
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/* Entry not in the cache. Add new one. */ |
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ie = kzalloc(sizeof(struct inquiry_entry), GFP_ATOMIC); if (!ie) |
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return; |
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ie->next = cache->list; cache->list = ie; |
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} |
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memcpy(&ie->data, data, sizeof(*data)); ie->timestamp = jiffies; |
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cache->timestamp = jiffies; } static int inquiry_cache_dump(struct hci_dev *hdev, int num, __u8 *buf) { struct inquiry_cache *cache = &hdev->inq_cache; struct inquiry_info *info = (struct inquiry_info *) buf; struct inquiry_entry *e; int copied = 0; for (e = cache->list; e && copied < num; e = e->next, copied++) { struct inquiry_data *data = &e->data; bacpy(&info->bdaddr, &data->bdaddr); info->pscan_rep_mode = data->pscan_rep_mode; info->pscan_period_mode = data->pscan_period_mode; info->pscan_mode = data->pscan_mode; memcpy(info->dev_class, data->dev_class, 3); info->clock_offset = data->clock_offset; info++; } BT_DBG("cache %p, copied %d", cache, copied); return copied; } static void hci_inq_req(struct hci_dev *hdev, unsigned long opt) { struct hci_inquiry_req *ir = (struct hci_inquiry_req *) opt; struct hci_cp_inquiry cp; BT_DBG("%s", hdev->name); if (test_bit(HCI_INQUIRY, &hdev->flags)) return; /* Start Inquiry */ memcpy(&cp.lap, &ir->lap, 3); cp.length = ir->length; cp.num_rsp = ir->num_rsp; |
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hci_send_cmd(hdev, HCI_OP_INQUIRY, sizeof(cp), &cp); |
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} int hci_inquiry(void __user *arg) { __u8 __user *ptr = arg; struct hci_inquiry_req ir; struct hci_dev *hdev; int err = 0, do_inquiry = 0, max_rsp; long timeo; __u8 *buf; if (copy_from_user(&ir, ptr, sizeof(ir))) return -EFAULT; |
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hdev = hci_dev_get(ir.dev_id); if (!hdev) |
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return -ENODEV; |
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hci_dev_lock(hdev); |
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if (inquiry_cache_age(hdev) > INQUIRY_CACHE_AGE_MAX || |
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inquiry_cache_empty(hdev) || ir.flags & IREQ_CACHE_FLUSH) { |
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inquiry_cache_flush(hdev); do_inquiry = 1; } |
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hci_dev_unlock(hdev); |
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|
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timeo = ir.length * msecs_to_jiffies(2000); |
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if (do_inquiry) { err = hci_request(hdev, hci_inq_req, (unsigned long)&ir, timeo); if (err < 0) goto done; } |
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/* for unlimited number of responses we will use buffer with 255 entries */ max_rsp = (ir.num_rsp == 0) ? 255 : ir.num_rsp; /* cache_dump can't sleep. Therefore we allocate temp buffer and then * copy it to the user space. */ |
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buf = kmalloc(sizeof(struct inquiry_info) * max_rsp, GFP_KERNEL); |
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if (!buf) { |
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err = -ENOMEM; goto done; } |
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hci_dev_lock(hdev); |
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ir.num_rsp = inquiry_cache_dump(hdev, max_rsp, buf); |
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hci_dev_unlock(hdev); |
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BT_DBG("num_rsp %d", ir.num_rsp); if (!copy_to_user(ptr, &ir, sizeof(ir))) { ptr += sizeof(ir); if (copy_to_user(ptr, buf, sizeof(struct inquiry_info) * ir.num_rsp)) err = -EFAULT; |
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} else |
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err = -EFAULT; kfree(buf); done: hci_dev_put(hdev); return err; } /* ---- HCI ioctl helpers ---- */ int hci_dev_open(__u16 dev) { struct hci_dev *hdev; int ret = 0; |
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hdev = hci_dev_get(dev); if (!hdev) |
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return -ENODEV; BT_DBG("%s %p", hdev->name, hdev); hci_req_lock(hdev); |
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500 501 502 503 |
if (hdev->rfkill && rfkill_blocked(hdev->rfkill)) { ret = -ERFKILL; goto done; } |
1da177e4c Linux-2.6.12-rc2 |
504 505 506 507 508 509 510 |
if (test_bit(HCI_UP, &hdev->flags)) { ret = -EALREADY; goto done; } if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) set_bit(HCI_RAW, &hdev->flags); |
07e3b94ac Bluetooth: Do not... |
511 512 513 |
/* Treat all non BR/EDR controllers as raw devices if enable_hs is not set */ if (hdev->dev_type != HCI_BREDR && !enable_hs) |
943da25d9 Bluetooth: Add co... |
514 |
set_bit(HCI_RAW, &hdev->flags); |
1da177e4c Linux-2.6.12-rc2 |
515 516 517 518 519 520 521 522 |
if (hdev->open(hdev)) { ret = -EIO; goto done; } if (!test_bit(HCI_RAW, &hdev->flags)) { atomic_set(&hdev->cmd_cnt, 1); set_bit(HCI_INIT, &hdev->flags); |
a5040efa2 Bluetooth: Add sp... |
523 |
hdev->init_last_cmd = 0; |
1da177e4c Linux-2.6.12-rc2 |
524 |
|
04837f644 [Bluetooth] Add a... |
525 526 |
ret = __hci_request(hdev, hci_init_req, 0, msecs_to_jiffies(HCI_INIT_TIMEOUT)); |
1da177e4c Linux-2.6.12-rc2 |
527 |
|
eead27da6 Bluetooth: Add lm... |
528 |
if (lmp_host_le_capable(hdev)) |
6ed58ec52 Bluetooth: Use LE... |
529 530 |
ret = __hci_request(hdev, hci_le_init_req, 0, msecs_to_jiffies(HCI_INIT_TIMEOUT)); |
1da177e4c Linux-2.6.12-rc2 |
531 532 533 534 535 536 537 |
clear_bit(HCI_INIT, &hdev->flags); } if (!ret) { hci_dev_hold(hdev); set_bit(HCI_UP, &hdev->flags); hci_notify(hdev, HCI_DEV_UP); |
56e5cb86e Bluetooth: Add mi... |
538 |
if (!test_bit(HCI_SETUP, &hdev->flags)) { |
09fd0de5b Bluetooth: Replac... |
539 |
hci_dev_lock(hdev); |
744cf19ea Bluetooth: Pass f... |
540 |
mgmt_powered(hdev, 1); |
09fd0de5b Bluetooth: Replac... |
541 |
hci_dev_unlock(hdev); |
56e5cb86e Bluetooth: Add mi... |
542 |
} |
8e87d1425 [NET] BLUETOOTH: ... |
543 |
} else { |
1da177e4c Linux-2.6.12-rc2 |
544 |
/* Init failed, cleanup */ |
3eff45eaf Bluetooth: conver... |
545 |
flush_work(&hdev->tx_work); |
c347b765f Bluetooth: Move c... |
546 |
flush_work(&hdev->cmd_work); |
b78752cc7 Bluetooth: Proces... |
547 |
flush_work(&hdev->rx_work); |
1da177e4c Linux-2.6.12-rc2 |
548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 |
skb_queue_purge(&hdev->cmd_q); skb_queue_purge(&hdev->rx_q); if (hdev->flush) hdev->flush(hdev); if (hdev->sent_cmd) { kfree_skb(hdev->sent_cmd); hdev->sent_cmd = NULL; } hdev->close(hdev); hdev->flags = 0; } done: hci_req_unlock(hdev); hci_dev_put(hdev); return ret; } static int hci_dev_do_close(struct hci_dev *hdev) { BT_DBG("%s %p", hdev->name, hdev); hci_req_cancel(hdev, ENODEV); hci_req_lock(hdev); if (!test_and_clear_bit(HCI_UP, &hdev->flags)) { |
b79f44c16 Bluetooth: Fix ke... |
578 |
del_timer_sync(&hdev->cmd_timer); |
1da177e4c Linux-2.6.12-rc2 |
579 580 581 |
hci_req_unlock(hdev); return 0; } |
3eff45eaf Bluetooth: conver... |
582 583 |
/* Flush RX and TX works */ flush_work(&hdev->tx_work); |
b78752cc7 Bluetooth: Proces... |
584 |
flush_work(&hdev->rx_work); |
1da177e4c Linux-2.6.12-rc2 |
585 |
|
16ab91ab4 Bluetooth: Add ti... |
586 |
if (hdev->discov_timeout > 0) { |
e0f9309f3 Bluetooth: Fix ca... |
587 |
cancel_delayed_work(&hdev->discov_off); |
16ab91ab4 Bluetooth: Add ti... |
588 589 |
hdev->discov_timeout = 0; } |
3243553fd Bluetooth: Conver... |
590 |
if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags)) |
e0f9309f3 Bluetooth: Fix ca... |
591 |
cancel_delayed_work(&hdev->power_off); |
3243553fd Bluetooth: Conver... |
592 |
|
7d78525dc Bluetooth: Add ti... |
593 594 |
if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->flags)) cancel_delayed_work(&hdev->service_cache); |
09fd0de5b Bluetooth: Replac... |
595 |
hci_dev_lock(hdev); |
1da177e4c Linux-2.6.12-rc2 |
596 597 |
inquiry_cache_flush(hdev); hci_conn_hash_flush(hdev); |
09fd0de5b Bluetooth: Replac... |
598 |
hci_dev_unlock(hdev); |
1da177e4c Linux-2.6.12-rc2 |
599 600 601 602 603 604 605 606 607 608 609 |
hci_notify(hdev, HCI_DEV_DOWN); if (hdev->flush) hdev->flush(hdev); /* Reset device */ skb_queue_purge(&hdev->cmd_q); atomic_set(&hdev->cmd_cnt, 1); if (!test_bit(HCI_RAW, &hdev->flags)) { set_bit(HCI_INIT, &hdev->flags); |
04837f644 [Bluetooth] Add a... |
610 |
__hci_request(hdev, hci_reset_req, 0, |
cad44c2bf Revert "Bluetooth... |
611 |
msecs_to_jiffies(250)); |
1da177e4c Linux-2.6.12-rc2 |
612 613 |
clear_bit(HCI_INIT, &hdev->flags); } |
c347b765f Bluetooth: Move c... |
614 615 |
/* flush cmd work */ flush_work(&hdev->cmd_work); |
1da177e4c Linux-2.6.12-rc2 |
616 617 618 619 620 621 622 623 |
/* Drop queues */ skb_queue_purge(&hdev->rx_q); skb_queue_purge(&hdev->cmd_q); skb_queue_purge(&hdev->raw_q); /* Drop last sent command */ if (hdev->sent_cmd) { |
b79f44c16 Bluetooth: Fix ke... |
624 |
del_timer_sync(&hdev->cmd_timer); |
1da177e4c Linux-2.6.12-rc2 |
625 626 627 628 629 630 631 |
kfree_skb(hdev->sent_cmd); hdev->sent_cmd = NULL; } /* After this point our queues are empty * and no tasks are scheduled. */ hdev->close(hdev); |
09fd0de5b Bluetooth: Replac... |
632 |
hci_dev_lock(hdev); |
744cf19ea Bluetooth: Pass f... |
633 |
mgmt_powered(hdev, 0); |
09fd0de5b Bluetooth: Replac... |
634 |
hci_dev_unlock(hdev); |
5add6af8f Bluetooth: Add su... |
635 |
|
1da177e4c Linux-2.6.12-rc2 |
636 637 638 639 640 641 642 643 644 645 646 647 648 |
/* Clear flags */ hdev->flags = 0; hci_req_unlock(hdev); hci_dev_put(hdev); return 0; } int hci_dev_close(__u16 dev) { struct hci_dev *hdev; int err; |
70f23020e Bluetooth: clean ... |
649 650 |
hdev = hci_dev_get(dev); if (!hdev) |
1da177e4c Linux-2.6.12-rc2 |
651 652 653 654 655 656 657 658 659 660 |
return -ENODEV; err = hci_dev_do_close(hdev); hci_dev_put(hdev); return err; } int hci_dev_reset(__u16 dev) { struct hci_dev *hdev; int ret = 0; |
70f23020e Bluetooth: clean ... |
661 662 |
hdev = hci_dev_get(dev); if (!hdev) |
1da177e4c Linux-2.6.12-rc2 |
663 664 665 |
return -ENODEV; hci_req_lock(hdev); |
1da177e4c Linux-2.6.12-rc2 |
666 667 668 669 670 671 672 |
if (!test_bit(HCI_UP, &hdev->flags)) goto done; /* Drop queues */ skb_queue_purge(&hdev->rx_q); skb_queue_purge(&hdev->cmd_q); |
09fd0de5b Bluetooth: Replac... |
673 |
hci_dev_lock(hdev); |
1da177e4c Linux-2.6.12-rc2 |
674 675 |
inquiry_cache_flush(hdev); hci_conn_hash_flush(hdev); |
09fd0de5b Bluetooth: Replac... |
676 |
hci_dev_unlock(hdev); |
1da177e4c Linux-2.6.12-rc2 |
677 678 679 |
if (hdev->flush) hdev->flush(hdev); |
8e87d1425 [NET] BLUETOOTH: ... |
680 |
atomic_set(&hdev->cmd_cnt, 1); |
6ed58ec52 Bluetooth: Use LE... |
681 |
hdev->acl_cnt = 0; hdev->sco_cnt = 0; hdev->le_cnt = 0; |
1da177e4c Linux-2.6.12-rc2 |
682 683 |
if (!test_bit(HCI_RAW, &hdev->flags)) |
04837f644 [Bluetooth] Add a... |
684 685 |
ret = __hci_request(hdev, hci_reset_req, 0, msecs_to_jiffies(HCI_INIT_TIMEOUT)); |
1da177e4c Linux-2.6.12-rc2 |
686 687 |
done: |
1da177e4c Linux-2.6.12-rc2 |
688 689 690 691 692 693 694 695 696 |
hci_req_unlock(hdev); hci_dev_put(hdev); return ret; } int hci_dev_reset_stat(__u16 dev) { struct hci_dev *hdev; int ret = 0; |
70f23020e Bluetooth: clean ... |
697 698 |
hdev = hci_dev_get(dev); if (!hdev) |
1da177e4c Linux-2.6.12-rc2 |
699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 |
return -ENODEV; memset(&hdev->stat, 0, sizeof(struct hci_dev_stats)); hci_dev_put(hdev); return ret; } int hci_dev_cmd(unsigned int cmd, void __user *arg) { struct hci_dev *hdev; struct hci_dev_req dr; int err = 0; if (copy_from_user(&dr, arg, sizeof(dr))) return -EFAULT; |
70f23020e Bluetooth: clean ... |
716 717 |
hdev = hci_dev_get(dr.dev_id); if (!hdev) |
1da177e4c Linux-2.6.12-rc2 |
718 719 720 721 |
return -ENODEV; switch (cmd) { case HCISETAUTH: |
04837f644 [Bluetooth] Add a... |
722 723 |
err = hci_request(hdev, hci_auth_req, dr.dev_opt, msecs_to_jiffies(HCI_INIT_TIMEOUT)); |
1da177e4c Linux-2.6.12-rc2 |
724 725 726 727 728 729 730 731 732 733 |
break; case HCISETENCRYPT: if (!lmp_encrypt_capable(hdev)) { err = -EOPNOTSUPP; break; } if (!test_bit(HCI_AUTH, &hdev->flags)) { /* Auth must be enabled first */ |
04837f644 [Bluetooth] Add a... |
734 735 |
err = hci_request(hdev, hci_auth_req, dr.dev_opt, msecs_to_jiffies(HCI_INIT_TIMEOUT)); |
1da177e4c Linux-2.6.12-rc2 |
736 737 738 |
if (err) break; } |
04837f644 [Bluetooth] Add a... |
739 740 |
err = hci_request(hdev, hci_encrypt_req, dr.dev_opt, msecs_to_jiffies(HCI_INIT_TIMEOUT)); |
1da177e4c Linux-2.6.12-rc2 |
741 742 743 |
break; case HCISETSCAN: |
04837f644 [Bluetooth] Add a... |
744 745 |
err = hci_request(hdev, hci_scan_req, dr.dev_opt, msecs_to_jiffies(HCI_INIT_TIMEOUT)); |
1da177e4c Linux-2.6.12-rc2 |
746 |
break; |
1da177e4c Linux-2.6.12-rc2 |
747 |
case HCISETLINKPOL: |
e4e8e37c4 [Bluetooth] Make ... |
748 749 |
err = hci_request(hdev, hci_linkpol_req, dr.dev_opt, msecs_to_jiffies(HCI_INIT_TIMEOUT)); |
1da177e4c Linux-2.6.12-rc2 |
750 751 752 |
break; case HCISETLINKMODE: |
e4e8e37c4 [Bluetooth] Make ... |
753 754 755 756 757 758 |
hdev->link_mode = ((__u16) dr.dev_opt) & (HCI_LM_MASTER | HCI_LM_ACCEPT); break; case HCISETPTYPE: hdev->pkt_type = (__u16) dr.dev_opt; |
1da177e4c Linux-2.6.12-rc2 |
759 760 761 |
break; case HCISETACLMTU: |
e4e8e37c4 [Bluetooth] Make ... |
762 763 |
hdev->acl_mtu = *((__u16 *) &dr.dev_opt + 1); hdev->acl_pkts = *((__u16 *) &dr.dev_opt + 0); |
1da177e4c Linux-2.6.12-rc2 |
764 765 766 |
break; case HCISETSCOMTU: |
e4e8e37c4 [Bluetooth] Make ... |
767 768 |
hdev->sco_mtu = *((__u16 *) &dr.dev_opt + 1); hdev->sco_pkts = *((__u16 *) &dr.dev_opt + 0); |
1da177e4c Linux-2.6.12-rc2 |
769 770 771 772 773 774 |
break; default: err = -EINVAL; break; } |
e4e8e37c4 [Bluetooth] Make ... |
775 |
|
1da177e4c Linux-2.6.12-rc2 |
776 777 778 779 780 781 |
hci_dev_put(hdev); return err; } int hci_get_dev_list(void __user *arg) { |
8035ded46 Bluetooth: replac... |
782 |
struct hci_dev *hdev; |
1da177e4c Linux-2.6.12-rc2 |
783 784 |
struct hci_dev_list_req *dl; struct hci_dev_req *dr; |
1da177e4c Linux-2.6.12-rc2 |
785 786 787 788 789 790 791 792 793 794 |
int n = 0, size, err; __u16 dev_num; if (get_user(dev_num, (__u16 __user *) arg)) return -EFAULT; if (!dev_num || dev_num > (PAGE_SIZE * 2) / sizeof(*dr)) return -EINVAL; size = sizeof(*dl) + dev_num * sizeof(*dr); |
70f23020e Bluetooth: clean ... |
795 796 |
dl = kzalloc(size, GFP_KERNEL); if (!dl) |
1da177e4c Linux-2.6.12-rc2 |
797 798 799 |
return -ENOMEM; dr = dl->dev_req; |
f20d09d5f Bluetooth: remove... |
800 |
read_lock(&hci_dev_list_lock); |
8035ded46 Bluetooth: replac... |
801 |
list_for_each_entry(hdev, &hci_dev_list, list) { |
3243553fd Bluetooth: Conver... |
802 |
if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags)) |
e0f9309f3 Bluetooth: Fix ca... |
803 |
cancel_delayed_work(&hdev->power_off); |
c542a06c2 Bluetooth: Implem... |
804 805 806 |
if (!test_bit(HCI_MGMT, &hdev->flags)) set_bit(HCI_PAIRABLE, &hdev->flags); |
1da177e4c Linux-2.6.12-rc2 |
807 808 |
(dr + n)->dev_id = hdev->id; (dr + n)->dev_opt = hdev->flags; |
c542a06c2 Bluetooth: Implem... |
809 |
|
1da177e4c Linux-2.6.12-rc2 |
810 811 812 |
if (++n >= dev_num) break; } |
f20d09d5f Bluetooth: remove... |
813 |
read_unlock(&hci_dev_list_lock); |
1da177e4c Linux-2.6.12-rc2 |
814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 |
dl->dev_num = n; size = sizeof(*dl) + n * sizeof(*dr); err = copy_to_user(arg, dl, size); kfree(dl); return err ? -EFAULT : 0; } int hci_get_dev_info(void __user *arg) { struct hci_dev *hdev; struct hci_dev_info di; int err = 0; if (copy_from_user(&di, arg, sizeof(di))) return -EFAULT; |
70f23020e Bluetooth: clean ... |
832 833 |
hdev = hci_dev_get(di.dev_id); if (!hdev) |
1da177e4c Linux-2.6.12-rc2 |
834 |
return -ENODEV; |
3243553fd Bluetooth: Conver... |
835 836 |
if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->flags)) cancel_delayed_work_sync(&hdev->power_off); |
ab81cbf99 Bluetooth: Implem... |
837 |
|
c542a06c2 Bluetooth: Implem... |
838 839 |
if (!test_bit(HCI_MGMT, &hdev->flags)) set_bit(HCI_PAIRABLE, &hdev->flags); |
1da177e4c Linux-2.6.12-rc2 |
840 841 |
strcpy(di.name, hdev->name); di.bdaddr = hdev->bdaddr; |
943da25d9 Bluetooth: Add co... |
842 |
di.type = (hdev->bus & 0x0f) | (hdev->dev_type << 4); |
1da177e4c Linux-2.6.12-rc2 |
843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 |
di.flags = hdev->flags; di.pkt_type = hdev->pkt_type; di.acl_mtu = hdev->acl_mtu; di.acl_pkts = hdev->acl_pkts; di.sco_mtu = hdev->sco_mtu; di.sco_pkts = hdev->sco_pkts; di.link_policy = hdev->link_policy; di.link_mode = hdev->link_mode; memcpy(&di.stat, &hdev->stat, sizeof(di.stat)); memcpy(&di.features, &hdev->features, sizeof(di.features)); if (copy_to_user(arg, &di, sizeof(di))) err = -EFAULT; hci_dev_put(hdev); return err; } /* ---- Interface to HCI drivers ---- */ |
611b30f74 Bluetooth: Add na... |
864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 |
static int hci_rfkill_set_block(void *data, bool blocked) { struct hci_dev *hdev = data; BT_DBG("%p name %s blocked %d", hdev, hdev->name, blocked); if (!blocked) return 0; hci_dev_do_close(hdev); return 0; } static const struct rfkill_ops hci_rfkill_ops = { .set_block = hci_rfkill_set_block, }; |
1da177e4c Linux-2.6.12-rc2 |
881 882 883 884 |
/* Alloc HCI device */ struct hci_dev *hci_alloc_dev(void) { struct hci_dev *hdev; |
25ea6db04 [Bluetooth] Remai... |
885 |
hdev = kzalloc(sizeof(struct hci_dev), GFP_KERNEL); |
1da177e4c Linux-2.6.12-rc2 |
886 887 |
if (!hdev) return NULL; |
0ac7e7002 Bluetooth: Fix hc... |
888 |
hci_init_sysfs(hdev); |
1da177e4c Linux-2.6.12-rc2 |
889 890 891 892 893 894 895 896 897 898 |
skb_queue_head_init(&hdev->driver_init); return hdev; } EXPORT_SYMBOL(hci_alloc_dev); /* Free HCI device */ void hci_free_dev(struct hci_dev *hdev) { skb_queue_purge(&hdev->driver_init); |
a91f2e396 [Bluetooth] Use r... |
899 900 |
/* will free via device release */ put_device(&hdev->dev); |
1da177e4c Linux-2.6.12-rc2 |
901 902 |
} EXPORT_SYMBOL(hci_free_dev); |
ab81cbf99 Bluetooth: Implem... |
903 904 905 906 907 908 909 910 911 912 |
static void hci_power_on(struct work_struct *work) { struct hci_dev *hdev = container_of(work, struct hci_dev, power_on); BT_DBG("%s", hdev->name); if (hci_dev_open(hdev->id) < 0) return; if (test_bit(HCI_AUTO_OFF, &hdev->flags)) |
80b7ab334 Bluetooth: move p... |
913 |
schedule_delayed_work(&hdev->power_off, |
3243553fd Bluetooth: Conver... |
914 |
msecs_to_jiffies(AUTO_OFF_TIMEOUT)); |
ab81cbf99 Bluetooth: Implem... |
915 916 |
if (test_and_clear_bit(HCI_SETUP, &hdev->flags)) |
744cf19ea Bluetooth: Pass f... |
917 |
mgmt_index_added(hdev); |
ab81cbf99 Bluetooth: Implem... |
918 919 920 921 |
} static void hci_power_off(struct work_struct *work) { |
3243553fd Bluetooth: Conver... |
922 923 |
struct hci_dev *hdev = container_of(work, struct hci_dev, power_off.work); |
ab81cbf99 Bluetooth: Implem... |
924 925 926 927 |
BT_DBG("%s", hdev->name); clear_bit(HCI_AUTO_OFF, &hdev->flags); |
3243553fd Bluetooth: Conver... |
928 |
hci_dev_close(hdev->id); |
ab81cbf99 Bluetooth: Implem... |
929 |
} |
16ab91ab4 Bluetooth: Add ti... |
930 931 932 933 934 935 936 937 |
static void hci_discov_off(struct work_struct *work) { struct hci_dev *hdev; u8 scan = SCAN_PAGE; hdev = container_of(work, struct hci_dev, discov_off.work); BT_DBG("%s", hdev->name); |
09fd0de5b Bluetooth: Replac... |
938 |
hci_dev_lock(hdev); |
16ab91ab4 Bluetooth: Add ti... |
939 940 941 942 |
hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan); hdev->discov_timeout = 0; |
09fd0de5b Bluetooth: Replac... |
943 |
hci_dev_unlock(hdev); |
16ab91ab4 Bluetooth: Add ti... |
944 |
} |
2aeb9a1ae Bluetooth: Implem... |
945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 |
int hci_uuids_clear(struct hci_dev *hdev) { struct list_head *p, *n; list_for_each_safe(p, n, &hdev->uuids) { struct bt_uuid *uuid; uuid = list_entry(p, struct bt_uuid, list); list_del(p); kfree(uuid); } return 0; } |
55ed8ca10 Bluetooth: Implem... |
960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 |
int hci_link_keys_clear(struct hci_dev *hdev) { struct list_head *p, *n; list_for_each_safe(p, n, &hdev->link_keys) { struct link_key *key; key = list_entry(p, struct link_key, list); list_del(p); kfree(key); } return 0; } struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr) { |
8035ded46 Bluetooth: replac... |
978 |
struct link_key *k; |
55ed8ca10 Bluetooth: Implem... |
979 |
|
8035ded46 Bluetooth: replac... |
980 |
list_for_each_entry(k, &hdev->link_keys, list) |
55ed8ca10 Bluetooth: Implem... |
981 982 |
if (bacmp(bdaddr, &k->bdaddr) == 0) return k; |
55ed8ca10 Bluetooth: Implem... |
983 984 985 |
return NULL; } |
d25e28abe Bluetooth: Fix li... |
986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 |
static int hci_persistent_key(struct hci_dev *hdev, struct hci_conn *conn, u8 key_type, u8 old_key_type) { /* Legacy key */ if (key_type < 0x03) return 1; /* Debug keys are insecure so don't store them persistently */ if (key_type == HCI_LK_DEBUG_COMBINATION) return 0; /* Changed combination key and there's no previous one */ if (key_type == HCI_LK_CHANGED_COMBINATION && old_key_type == 0xff) return 0; /* Security mode 3 case */ if (!conn) return 1; /* Neither local nor remote side had no-bonding as requirement */ if (conn->auth_type > 0x01 && conn->remote_auth > 0x01) return 1; /* Local side had dedicated bonding as requirement */ if (conn->auth_type == 0x02 || conn->auth_type == 0x03) return 1; /* Remote side had dedicated bonding as requirement */ if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) return 1; /* If none of the above criteria match, then don't store the key * persistently */ return 0; } |
75d262c2a Bluetooth: Add fu... |
1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 |
struct link_key *hci_find_ltk(struct hci_dev *hdev, __le16 ediv, u8 rand[8]) { struct link_key *k; list_for_each_entry(k, &hdev->link_keys, list) { struct key_master_id *id; if (k->type != HCI_LK_SMP_LTK) continue; if (k->dlen != sizeof(*id)) continue; id = (void *) &k->data; if (id->ediv == ediv && (memcmp(rand, id->rand, sizeof(id->rand)) == 0)) return k; } return NULL; } EXPORT_SYMBOL(hci_find_ltk); struct link_key *hci_find_link_key_type(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) { struct link_key *k; list_for_each_entry(k, &hdev->link_keys, list) if (k->type == type && bacmp(bdaddr, &k->bdaddr) == 0) return k; return NULL; } EXPORT_SYMBOL(hci_find_link_key_type); |
d25e28abe Bluetooth: Fix li... |
1056 1057 |
int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len) |
55ed8ca10 Bluetooth: Implem... |
1058 1059 |
{ struct link_key *key, *old_key; |
4df378a10 Bluetooth: Add st... |
1060 |
u8 old_key_type, persistent; |
55ed8ca10 Bluetooth: Implem... |
1061 1062 1063 1064 1065 1066 |
old_key = hci_find_link_key(hdev, bdaddr); if (old_key) { old_key_type = old_key->type; key = old_key; } else { |
12adcf3a9 Bluetooth: Fix ol... |
1067 |
old_key_type = conn ? conn->key_type : 0xff; |
55ed8ca10 Bluetooth: Implem... |
1068 1069 1070 1071 1072 1073 1074 |
key = kzalloc(sizeof(*key), GFP_ATOMIC); if (!key) return -ENOMEM; list_add(&key->list, &hdev->link_keys); } BT_DBG("%s key for %s type %u", hdev->name, batostr(bdaddr), type); |
d25e28abe Bluetooth: Fix li... |
1075 1076 1077 1078 1079 |
/* Some buggy controller combinations generate a changed * combination key for legacy pairing even when there's no * previous key */ if (type == HCI_LK_CHANGED_COMBINATION && (!conn || conn->remote_auth == 0xff) && |
655fe6ece Bluetooth: Fix co... |
1080 |
old_key_type == 0xff) { |
d25e28abe Bluetooth: Fix li... |
1081 |
type = HCI_LK_COMBINATION; |
655fe6ece Bluetooth: Fix co... |
1082 1083 1084 |
if (conn) conn->key_type = type; } |
d25e28abe Bluetooth: Fix li... |
1085 |
|
55ed8ca10 Bluetooth: Implem... |
1086 1087 |
bacpy(&key->bdaddr, bdaddr); memcpy(key->val, val, 16); |
55ed8ca10 Bluetooth: Implem... |
1088 |
key->pin_len = pin_len; |
b6020ba05 Bluetooth: Add de... |
1089 |
if (type == HCI_LK_CHANGED_COMBINATION) |
55ed8ca10 Bluetooth: Implem... |
1090 |
key->type = old_key_type; |
4748fed2d Bluetooth: Remove... |
1091 1092 |
else key->type = type; |
4df378a10 Bluetooth: Add st... |
1093 1094 1095 1096 |
if (!new_key) return 0; persistent = hci_persistent_key(hdev, conn, type, old_key_type); |
744cf19ea Bluetooth: Pass f... |
1097 |
mgmt_new_link_key(hdev, key, persistent); |
4df378a10 Bluetooth: Add st... |
1098 1099 1100 1101 1102 |
if (!persistent) { list_del(&key->list); kfree(key); } |
55ed8ca10 Bluetooth: Implem... |
1103 1104 1105 |
return 0; } |
75d262c2a Bluetooth: Add fu... |
1106 |
int hci_add_ltk(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr, |
726b4ffca Bluetooth: Add su... |
1107 |
u8 key_size, __le16 ediv, u8 rand[8], u8 ltk[16]) |
75d262c2a Bluetooth: Add fu... |
1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 |
{ struct link_key *key, *old_key; struct key_master_id *id; u8 old_key_type; BT_DBG("%s addr %s", hdev->name, batostr(bdaddr)); old_key = hci_find_link_key_type(hdev, bdaddr, HCI_LK_SMP_LTK); if (old_key) { key = old_key; old_key_type = old_key->type; } else { key = kzalloc(sizeof(*key) + sizeof(*id), GFP_ATOMIC); if (!key) return -ENOMEM; list_add(&key->list, &hdev->link_keys); old_key_type = 0xff; } key->dlen = sizeof(*id); bacpy(&key->bdaddr, bdaddr); memcpy(key->val, ltk, sizeof(key->val)); key->type = HCI_LK_SMP_LTK; |
726b4ffca Bluetooth: Add su... |
1132 |
key->pin_len = key_size; |
75d262c2a Bluetooth: Add fu... |
1133 1134 1135 1136 1137 1138 |
id = (void *) &key->data; id->ediv = ediv; memcpy(id->rand, rand, sizeof(id->rand)); if (new_key) |
744cf19ea Bluetooth: Pass f... |
1139 |
mgmt_new_link_key(hdev, key, old_key_type); |
75d262c2a Bluetooth: Add fu... |
1140 1141 1142 |
return 0; } |
55ed8ca10 Bluetooth: Implem... |
1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 |
int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr) { struct link_key *key; key = hci_find_link_key(hdev, bdaddr); if (!key) return -ENOENT; BT_DBG("%s removing %s", hdev->name, batostr(bdaddr)); list_del(&key->list); kfree(key); return 0; } |
6bd32326c Bluetooth: Use pr... |
1158 1159 1160 1161 1162 1163 1164 |
/* HCI command timer function */ static void hci_cmd_timer(unsigned long arg) { struct hci_dev *hdev = (void *) arg; BT_ERR("%s command tx timeout", hdev->name); atomic_set(&hdev->cmd_cnt, 1); |
c347b765f Bluetooth: Move c... |
1165 |
queue_work(hdev->workqueue, &hdev->cmd_work); |
6bd32326c Bluetooth: Use pr... |
1166 |
} |
2763eda6c Bluetooth: Add ad... |
1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 |
struct oob_data *hci_find_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr) { struct oob_data *data; list_for_each_entry(data, &hdev->remote_oob_data, list) if (bacmp(bdaddr, &data->bdaddr) == 0) return data; return NULL; } int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr) { struct oob_data *data; data = hci_find_remote_oob_data(hdev, bdaddr); if (!data) return -ENOENT; BT_DBG("%s removing %s", hdev->name, batostr(bdaddr)); list_del(&data->list); kfree(data); return 0; } int hci_remote_oob_data_clear(struct hci_dev *hdev) { struct oob_data *data, *n; list_for_each_entry_safe(data, n, &hdev->remote_oob_data, list) { list_del(&data->list); kfree(data); } return 0; } int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, u8 *randomizer) { struct oob_data *data; data = hci_find_remote_oob_data(hdev, bdaddr); if (!data) { data = kmalloc(sizeof(*data), GFP_ATOMIC); if (!data) return -ENOMEM; bacpy(&data->bdaddr, bdaddr); list_add(&data->list, &hdev->remote_oob_data); } memcpy(data->hash, hash, sizeof(data->hash)); memcpy(data->randomizer, randomizer, sizeof(data->randomizer)); BT_DBG("%s for %s", hdev->name, batostr(bdaddr)); return 0; } |
b2a66aad8 Bluetooth: Move b... |
1230 1231 1232 |
struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr) { |
8035ded46 Bluetooth: replac... |
1233 |
struct bdaddr_list *b; |
b2a66aad8 Bluetooth: Move b... |
1234 |
|
8035ded46 Bluetooth: replac... |
1235 |
list_for_each_entry(b, &hdev->blacklist, list) |
b2a66aad8 Bluetooth: Move b... |
1236 1237 |
if (bacmp(bdaddr, &b->bdaddr) == 0) return b; |
b2a66aad8 Bluetooth: Move b... |
1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 |
return NULL; } int hci_blacklist_clear(struct hci_dev *hdev) { struct list_head *p, *n; list_for_each_safe(p, n, &hdev->blacklist) { struct bdaddr_list *b; b = list_entry(p, struct bdaddr_list, list); list_del(p); kfree(b); } return 0; } int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr) { struct bdaddr_list *entry; |
b2a66aad8 Bluetooth: Move b... |
1261 1262 1263 |
if (bacmp(bdaddr, BDADDR_ANY) == 0) return -EBADF; |
5e762444b Bluetooth: Add mg... |
1264 1265 |
if (hci_blacklist_lookup(hdev, bdaddr)) return -EEXIST; |
b2a66aad8 Bluetooth: Move b... |
1266 1267 |
entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL); |
5e762444b Bluetooth: Add mg... |
1268 1269 |
if (!entry) return -ENOMEM; |
b2a66aad8 Bluetooth: Move b... |
1270 1271 1272 1273 |
bacpy(&entry->bdaddr, bdaddr); list_add(&entry->list, &hdev->blacklist); |
744cf19ea Bluetooth: Pass f... |
1274 |
return mgmt_device_blocked(hdev, bdaddr); |
b2a66aad8 Bluetooth: Move b... |
1275 1276 1277 1278 1279 |
} int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr) { struct bdaddr_list *entry; |
b2a66aad8 Bluetooth: Move b... |
1280 |
|
1ec918cef Bluetooth: Fix so... |
1281 |
if (bacmp(bdaddr, BDADDR_ANY) == 0) |
5e762444b Bluetooth: Add mg... |
1282 |
return hci_blacklist_clear(hdev); |
b2a66aad8 Bluetooth: Move b... |
1283 1284 |
entry = hci_blacklist_lookup(hdev, bdaddr); |
1ec918cef Bluetooth: Fix so... |
1285 |
if (!entry) |
5e762444b Bluetooth: Add mg... |
1286 |
return -ENOENT; |
b2a66aad8 Bluetooth: Move b... |
1287 1288 1289 |
list_del(&entry->list); kfree(entry); |
744cf19ea Bluetooth: Pass f... |
1290 |
return mgmt_device_unblocked(hdev, bdaddr); |
b2a66aad8 Bluetooth: Move b... |
1291 |
} |
db323f2ff Bluetooth: Use de... |
1292 |
static void hci_clear_adv_cache(struct work_struct *work) |
358150857 Bluetooth: Advert... |
1293 |
{ |
db323f2ff Bluetooth: Use de... |
1294 1295 |
struct hci_dev *hdev = container_of(work, struct hci_dev, adv_work.work); |
358150857 Bluetooth: Advert... |
1296 1297 1298 1299 1300 1301 1302 |
hci_dev_lock(hdev); hci_adv_entries_clear(hdev); hci_dev_unlock(hdev); } |
76c8686f8 Bluetooth: LE adv... |
1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 |
int hci_adv_entries_clear(struct hci_dev *hdev) { struct adv_entry *entry, *tmp; list_for_each_entry_safe(entry, tmp, &hdev->adv_entries, list) { list_del(&entry->list); kfree(entry); } BT_DBG("%s adv cache cleared", hdev->name); return 0; } struct adv_entry *hci_find_adv_entry(struct hci_dev *hdev, bdaddr_t *bdaddr) { struct adv_entry *entry; list_for_each_entry(entry, &hdev->adv_entries, list) if (bacmp(bdaddr, &entry->bdaddr) == 0) return entry; return NULL; } static inline int is_connectable_adv(u8 evt_type) { if (evt_type == ADV_IND || evt_type == ADV_DIRECT_IND) return 1; return 0; } int hci_add_adv_entry(struct hci_dev *hdev, struct hci_ev_le_advertising_info *ev) { struct adv_entry *entry; if (!is_connectable_adv(ev->evt_type)) return -EINVAL; /* Only new entries should be added to adv_entries. So, if * bdaddr was found, don't add it. */ if (hci_find_adv_entry(hdev, &ev->bdaddr)) return 0; entry = kzalloc(sizeof(*entry), GFP_ATOMIC); if (!entry) return -ENOMEM; bacpy(&entry->bdaddr, &ev->bdaddr); entry->bdaddr_type = ev->bdaddr_type; list_add(&entry->list, &hdev->adv_entries); BT_DBG("%s adv entry added: address %s type %u", hdev->name, batostr(&entry->bdaddr), entry->bdaddr_type); return 0; } |
1da177e4c Linux-2.6.12-rc2 |
1363 1364 1365 1366 |
/* Register HCI device */ int hci_register_dev(struct hci_dev *hdev) { struct list_head *head = &hci_dev_list, *p; |
08add513c Bluetooth: Guaran... |
1367 |
int i, id, error; |
1da177e4c Linux-2.6.12-rc2 |
1368 |
|
c13854cef Bluetooth: Conver... |
1369 1370 |
BT_DBG("%p name %s bus %d owner %p", hdev, hdev->name, hdev->bus, hdev->owner); |
1da177e4c Linux-2.6.12-rc2 |
1371 1372 1373 |
if (!hdev->open || !hdev->close || !hdev->destruct) return -EINVAL; |
08add513c Bluetooth: Guaran... |
1374 1375 1376 1377 |
/* Do not allow HCI_AMP devices to register at index 0, * so the index can be used as the AMP controller ID. */ id = (hdev->dev_type == HCI_BREDR) ? 0 : 1; |
f20d09d5f Bluetooth: remove... |
1378 |
write_lock(&hci_dev_list_lock); |
1da177e4c Linux-2.6.12-rc2 |
1379 1380 1381 1382 1383 1384 1385 |
/* Find first available device id */ list_for_each(p, &hci_dev_list) { if (list_entry(p, struct hci_dev, list)->id != id) break; head = p; id++; } |
8e87d1425 [NET] BLUETOOTH: ... |
1386 |
|
1da177e4c Linux-2.6.12-rc2 |
1387 1388 |
sprintf(hdev->name, "hci%d", id); hdev->id = id; |
c6feeb28a Bluetooth: Use qu... |
1389 |
list_add_tail(&hdev->list, head); |
1da177e4c Linux-2.6.12-rc2 |
1390 1391 |
atomic_set(&hdev->refcnt, 1); |
09fd0de5b Bluetooth: Replac... |
1392 |
mutex_init(&hdev->lock); |
1da177e4c Linux-2.6.12-rc2 |
1393 1394 |
hdev->flags = 0; |
d23264a89 Bluetooth: Add de... |
1395 |
hdev->dev_flags = 0; |
1da177e4c Linux-2.6.12-rc2 |
1396 |
hdev->pkt_type = (HCI_DM1 | HCI_DH1 | HCI_HV1); |
5b7f99092 [Bluetooth] Add b... |
1397 |
hdev->esco_type = (ESCO_HV1); |
1da177e4c Linux-2.6.12-rc2 |
1398 |
hdev->link_mode = (HCI_LM_ACCEPT); |
17fa4b9df Bluetooth: Add se... |
1399 |
hdev->io_capability = 0x03; /* No Input No Output */ |
1da177e4c Linux-2.6.12-rc2 |
1400 |
|
04837f644 [Bluetooth] Add a... |
1401 1402 1403 |
hdev->idle_timeout = 0; hdev->sniff_max_interval = 800; hdev->sniff_min_interval = 80; |
b78752cc7 Bluetooth: Proces... |
1404 |
INIT_WORK(&hdev->rx_work, hci_rx_work); |
c347b765f Bluetooth: Move c... |
1405 |
INIT_WORK(&hdev->cmd_work, hci_cmd_work); |
3eff45eaf Bluetooth: conver... |
1406 |
INIT_WORK(&hdev->tx_work, hci_tx_work); |
b78752cc7 Bluetooth: Proces... |
1407 |
|
1da177e4c Linux-2.6.12-rc2 |
1408 1409 1410 1411 |
skb_queue_head_init(&hdev->rx_q); skb_queue_head_init(&hdev->cmd_q); skb_queue_head_init(&hdev->raw_q); |
6bd32326c Bluetooth: Use pr... |
1412 |
setup_timer(&hdev->cmd_timer, hci_cmd_timer, (unsigned long) hdev); |
cd4c53919 Bluetooth: Add on... |
1413 |
for (i = 0; i < NUM_REASSEMBLY; i++) |
ef222013f [Bluetooth] Add h... |
1414 |
hdev->reassembly[i] = NULL; |
1da177e4c Linux-2.6.12-rc2 |
1415 |
init_waitqueue_head(&hdev->req_wait_q); |
a6a67efd7 Bluetooth: Conver... |
1416 |
mutex_init(&hdev->req_lock); |
1da177e4c Linux-2.6.12-rc2 |
1417 1418 1419 1420 |
inquiry_cache_init(hdev); hci_conn_hash_init(hdev); |
2e58ef3e1 Bluetooth: Move p... |
1421 |
INIT_LIST_HEAD(&hdev->mgmt_pending); |
ea4bd8ba8 Bluetooth: Use li... |
1422 |
INIT_LIST_HEAD(&hdev->blacklist); |
f03585689 Bluetooth: Add bl... |
1423 |
|
2aeb9a1ae Bluetooth: Implem... |
1424 |
INIT_LIST_HEAD(&hdev->uuids); |
55ed8ca10 Bluetooth: Implem... |
1425 |
INIT_LIST_HEAD(&hdev->link_keys); |
2763eda6c Bluetooth: Add ad... |
1426 |
INIT_LIST_HEAD(&hdev->remote_oob_data); |
76c8686f8 Bluetooth: LE adv... |
1427 |
INIT_LIST_HEAD(&hdev->adv_entries); |
db323f2ff Bluetooth: Use de... |
1428 |
INIT_DELAYED_WORK(&hdev->adv_work, hci_clear_adv_cache); |
ab81cbf99 Bluetooth: Implem... |
1429 |
INIT_WORK(&hdev->power_on, hci_power_on); |
3243553fd Bluetooth: Conver... |
1430 |
INIT_DELAYED_WORK(&hdev->power_off, hci_power_off); |
ab81cbf99 Bluetooth: Implem... |
1431 |
|
16ab91ab4 Bluetooth: Add ti... |
1432 |
INIT_DELAYED_WORK(&hdev->discov_off, hci_discov_off); |
1da177e4c Linux-2.6.12-rc2 |
1433 1434 1435 |
memset(&hdev->stat, 0, sizeof(struct hci_dev_stats)); atomic_set(&hdev->promisc, 0); |
f20d09d5f Bluetooth: remove... |
1436 |
write_unlock(&hci_dev_list_lock); |
1da177e4c Linux-2.6.12-rc2 |
1437 |
|
32845eb12 Bluetooth: Use ne... |
1438 1439 |
hdev->workqueue = alloc_workqueue(hdev->name, WQ_HIGHPRI | WQ_UNBOUND | WQ_MEM_RECLAIM, 1); |
33ca954da Bluetooth: Forwar... |
1440 1441 1442 1443 |
if (!hdev->workqueue) { error = -ENOMEM; goto err; } |
f48fd9c8c Bluetooth: Create... |
1444 |
|
33ca954da Bluetooth: Forwar... |
1445 1446 1447 |
error = hci_add_sysfs(hdev); if (error < 0) goto err_wqueue; |
1da177e4c Linux-2.6.12-rc2 |
1448 |
|
611b30f74 Bluetooth: Add na... |
1449 1450 1451 1452 1453 1454 1455 1456 |
hdev->rfkill = rfkill_alloc(hdev->name, &hdev->dev, RFKILL_TYPE_BLUETOOTH, &hci_rfkill_ops, hdev); if (hdev->rfkill) { if (rfkill_register(hdev->rfkill) < 0) { rfkill_destroy(hdev->rfkill); hdev->rfkill = NULL; } } |
ab81cbf99 Bluetooth: Implem... |
1457 1458 |
set_bit(HCI_AUTO_OFF, &hdev->flags); set_bit(HCI_SETUP, &hdev->flags); |
7f971041c Bluetooth: Use sy... |
1459 |
schedule_work(&hdev->power_on); |
ab81cbf99 Bluetooth: Implem... |
1460 |
|
1da177e4c Linux-2.6.12-rc2 |
1461 1462 1463 |
hci_notify(hdev, HCI_DEV_REG); return id; |
f48fd9c8c Bluetooth: Create... |
1464 |
|
33ca954da Bluetooth: Forwar... |
1465 1466 1467 |
err_wqueue: destroy_workqueue(hdev->workqueue); err: |
f20d09d5f Bluetooth: remove... |
1468 |
write_lock(&hci_dev_list_lock); |
f48fd9c8c Bluetooth: Create... |
1469 |
list_del(&hdev->list); |
f20d09d5f Bluetooth: remove... |
1470 |
write_unlock(&hci_dev_list_lock); |
f48fd9c8c Bluetooth: Create... |
1471 |
|
33ca954da Bluetooth: Forwar... |
1472 |
return error; |
1da177e4c Linux-2.6.12-rc2 |
1473 1474 1475 1476 |
} EXPORT_SYMBOL(hci_register_dev); /* Unregister HCI device */ |
59735631d Bluetooth: Make h... |
1477 |
void hci_unregister_dev(struct hci_dev *hdev) |
1da177e4c Linux-2.6.12-rc2 |
1478 |
{ |
ef222013f [Bluetooth] Add h... |
1479 |
int i; |
c13854cef Bluetooth: Conver... |
1480 |
BT_DBG("%p name %s bus %d", hdev, hdev->name, hdev->bus); |
1da177e4c Linux-2.6.12-rc2 |
1481 |
|
f20d09d5f Bluetooth: remove... |
1482 |
write_lock(&hci_dev_list_lock); |
1da177e4c Linux-2.6.12-rc2 |
1483 |
list_del(&hdev->list); |
f20d09d5f Bluetooth: remove... |
1484 |
write_unlock(&hci_dev_list_lock); |
1da177e4c Linux-2.6.12-rc2 |
1485 1486 |
hci_dev_do_close(hdev); |
cd4c53919 Bluetooth: Add on... |
1487 |
for (i = 0; i < NUM_REASSEMBLY; i++) |
ef222013f [Bluetooth] Add h... |
1488 |
kfree_skb(hdev->reassembly[i]); |
ab81cbf99 Bluetooth: Implem... |
1489 |
if (!test_bit(HCI_INIT, &hdev->flags) && |
56e5cb86e Bluetooth: Add mi... |
1490 |
!test_bit(HCI_SETUP, &hdev->flags)) { |
09fd0de5b Bluetooth: Replac... |
1491 |
hci_dev_lock(hdev); |
744cf19ea Bluetooth: Pass f... |
1492 |
mgmt_index_removed(hdev); |
09fd0de5b Bluetooth: Replac... |
1493 |
hci_dev_unlock(hdev); |
56e5cb86e Bluetooth: Add mi... |
1494 |
} |
ab81cbf99 Bluetooth: Implem... |
1495 |
|
2e58ef3e1 Bluetooth: Move p... |
1496 1497 1498 |
/* mgmt_index_removed should take care of emptying the * pending list */ BUG_ON(!list_empty(&hdev->mgmt_pending)); |
1da177e4c Linux-2.6.12-rc2 |
1499 |
hci_notify(hdev, HCI_DEV_UNREG); |
611b30f74 Bluetooth: Add na... |
1500 1501 1502 1503 |
if (hdev->rfkill) { rfkill_unregister(hdev->rfkill); rfkill_destroy(hdev->rfkill); } |
ce242970f Bluetooth: Rename... |
1504 |
hci_del_sysfs(hdev); |
147e2d598 bluetooth: hci_co... |
1505 |
|
db323f2ff Bluetooth: Use de... |
1506 |
cancel_delayed_work_sync(&hdev->adv_work); |
c6f3c5f7f Bluetooth: Fix cr... |
1507 |
|
f48fd9c8c Bluetooth: Create... |
1508 |
destroy_workqueue(hdev->workqueue); |
09fd0de5b Bluetooth: Replac... |
1509 |
hci_dev_lock(hdev); |
e2e0cacbd Bluetooth: Fix le... |
1510 |
hci_blacklist_clear(hdev); |
2aeb9a1ae Bluetooth: Implem... |
1511 |
hci_uuids_clear(hdev); |
55ed8ca10 Bluetooth: Implem... |
1512 |
hci_link_keys_clear(hdev); |
2763eda6c Bluetooth: Add ad... |
1513 |
hci_remote_oob_data_clear(hdev); |
76c8686f8 Bluetooth: LE adv... |
1514 |
hci_adv_entries_clear(hdev); |
09fd0de5b Bluetooth: Replac... |
1515 |
hci_dev_unlock(hdev); |
e2e0cacbd Bluetooth: Fix le... |
1516 |
|
1da177e4c Linux-2.6.12-rc2 |
1517 |
__hci_dev_put(hdev); |
1da177e4c Linux-2.6.12-rc2 |
1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 |
} EXPORT_SYMBOL(hci_unregister_dev); /* Suspend HCI device */ int hci_suspend_dev(struct hci_dev *hdev) { hci_notify(hdev, HCI_DEV_SUSPEND); return 0; } EXPORT_SYMBOL(hci_suspend_dev); /* Resume HCI device */ int hci_resume_dev(struct hci_dev *hdev) { hci_notify(hdev, HCI_DEV_RESUME); return 0; } EXPORT_SYMBOL(hci_resume_dev); |
76bca8801 Bluetooth: Turn h... |
1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 |
/* Receive frame from HCI drivers */ int hci_recv_frame(struct sk_buff *skb) { struct hci_dev *hdev = (struct hci_dev *) skb->dev; if (!hdev || (!test_bit(HCI_UP, &hdev->flags) && !test_bit(HCI_INIT, &hdev->flags))) { kfree_skb(skb); return -ENXIO; } /* Incomming skb */ bt_cb(skb)->incoming = 1; /* Time stamp */ __net_timestamp(skb); |
76bca8801 Bluetooth: Turn h... |
1551 |
skb_queue_tail(&hdev->rx_q, skb); |
b78752cc7 Bluetooth: Proces... |
1552 |
queue_work(hdev->workqueue, &hdev->rx_work); |
c78ae2831 Bluetooth: Unobfu... |
1553 |
|
76bca8801 Bluetooth: Turn h... |
1554 1555 1556 |
return 0; } EXPORT_SYMBOL(hci_recv_frame); |
33e882a5f Bluetooth: Implem... |
1557 |
static int hci_reassembly(struct hci_dev *hdev, int type, void *data, |
1e429f384 Bluetooth: Remove... |
1558 |
int count, __u8 index) |
33e882a5f Bluetooth: Implem... |
1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 |
{ int len = 0; int hlen = 0; int remain = count; struct sk_buff *skb; struct bt_skb_cb *scb; if ((type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT) || index >= NUM_REASSEMBLY) return -EILSEQ; skb = hdev->reassembly[index]; if (!skb) { switch (type) { case HCI_ACLDATA_PKT: len = HCI_MAX_FRAME_SIZE; hlen = HCI_ACL_HDR_SIZE; break; case HCI_EVENT_PKT: len = HCI_MAX_EVENT_SIZE; hlen = HCI_EVENT_HDR_SIZE; break; case HCI_SCODATA_PKT: len = HCI_MAX_SCO_SIZE; hlen = HCI_SCO_HDR_SIZE; break; } |
1e429f384 Bluetooth: Remove... |
1587 |
skb = bt_skb_alloc(len, GFP_ATOMIC); |
33e882a5f Bluetooth: Implem... |
1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645 1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660 1661 1662 1663 |
if (!skb) return -ENOMEM; scb = (void *) skb->cb; scb->expect = hlen; scb->pkt_type = type; skb->dev = (void *) hdev; hdev->reassembly[index] = skb; } while (count) { scb = (void *) skb->cb; len = min(scb->expect, (__u16)count); memcpy(skb_put(skb, len), data, len); count -= len; data += len; scb->expect -= len; remain = count; switch (type) { case HCI_EVENT_PKT: if (skb->len == HCI_EVENT_HDR_SIZE) { struct hci_event_hdr *h = hci_event_hdr(skb); scb->expect = h->plen; if (skb_tailroom(skb) < scb->expect) { kfree_skb(skb); hdev->reassembly[index] = NULL; return -ENOMEM; } } break; case HCI_ACLDATA_PKT: if (skb->len == HCI_ACL_HDR_SIZE) { struct hci_acl_hdr *h = hci_acl_hdr(skb); scb->expect = __le16_to_cpu(h->dlen); if (skb_tailroom(skb) < scb->expect) { kfree_skb(skb); hdev->reassembly[index] = NULL; return -ENOMEM; } } break; case HCI_SCODATA_PKT: if (skb->len == HCI_SCO_HDR_SIZE) { struct hci_sco_hdr *h = hci_sco_hdr(skb); scb->expect = h->dlen; if (skb_tailroom(skb) < scb->expect) { kfree_skb(skb); hdev->reassembly[index] = NULL; return -ENOMEM; } } break; } if (scb->expect == 0) { /* Complete frame */ bt_cb(skb)->pkt_type = type; hci_recv_frame(skb); hdev->reassembly[index] = NULL; return remain; } } return remain; } |
ef222013f [Bluetooth] Add h... |
1664 1665 |
int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count) { |
f39a3c064 Bluetooth: Modifi... |
1666 |
int rem = 0; |
ef222013f [Bluetooth] Add h... |
1667 1668 |
if (type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT) return -EILSEQ; |
da5f6c37e Bluetooth: Test '... |
1669 |
while (count) { |
1e429f384 Bluetooth: Remove... |
1670 |
rem = hci_reassembly(hdev, type, data, count, type - 1); |
f39a3c064 Bluetooth: Modifi... |
1671 1672 |
if (rem < 0) return rem; |
ef222013f [Bluetooth] Add h... |
1673 |
|
f39a3c064 Bluetooth: Modifi... |
1674 1675 |
data += (count - rem); count = rem; |
f81c62242 net: Remove unnec... |
1676 |
} |
ef222013f [Bluetooth] Add h... |
1677 |
|
f39a3c064 Bluetooth: Modifi... |
1678 |
return rem; |
ef222013f [Bluetooth] Add h... |
1679 1680 |
} EXPORT_SYMBOL(hci_recv_fragment); |
998115108 Bluetooth: Implem... |
1681 1682 1683 1684 1685 1686 |
#define STREAM_REASSEMBLY 0 int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count) { int type; int rem = 0; |
da5f6c37e Bluetooth: Test '... |
1687 |
while (count) { |
998115108 Bluetooth: Implem... |
1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 |
struct sk_buff *skb = hdev->reassembly[STREAM_REASSEMBLY]; if (!skb) { struct { char type; } *pkt; /* Start of the frame */ pkt = data; type = pkt->type; data++; count--; } else type = bt_cb(skb)->pkt_type; |
1e429f384 Bluetooth: Remove... |
1701 1702 |
rem = hci_reassembly(hdev, type, data, count, STREAM_REASSEMBLY); |
998115108 Bluetooth: Implem... |
1703 1704 1705 1706 1707 |
if (rem < 0) return rem; data += (count - rem); count = rem; |
f81c62242 net: Remove unnec... |
1708 |
} |
998115108 Bluetooth: Implem... |
1709 1710 1711 1712 |
return rem; } EXPORT_SYMBOL(hci_recv_stream_fragment); |
1da177e4c Linux-2.6.12-rc2 |
1713 |
/* ---- Interface to upper protocols ---- */ |
1da177e4c Linux-2.6.12-rc2 |
1714 1715 1716 |
int hci_register_cb(struct hci_cb *cb) { BT_DBG("%p name %s", cb, cb->name); |
f20d09d5f Bluetooth: remove... |
1717 |
write_lock(&hci_cb_list_lock); |
1da177e4c Linux-2.6.12-rc2 |
1718 |
list_add(&cb->list, &hci_cb_list); |
f20d09d5f Bluetooth: remove... |
1719 |
write_unlock(&hci_cb_list_lock); |
1da177e4c Linux-2.6.12-rc2 |
1720 1721 1722 1723 1724 1725 1726 1727 |
return 0; } EXPORT_SYMBOL(hci_register_cb); int hci_unregister_cb(struct hci_cb *cb) { BT_DBG("%p name %s", cb, cb->name); |
f20d09d5f Bluetooth: remove... |
1728 |
write_lock(&hci_cb_list_lock); |
1da177e4c Linux-2.6.12-rc2 |
1729 |
list_del(&cb->list); |
f20d09d5f Bluetooth: remove... |
1730 |
write_unlock(&hci_cb_list_lock); |
1da177e4c Linux-2.6.12-rc2 |
1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 |
return 0; } EXPORT_SYMBOL(hci_unregister_cb); static int hci_send_frame(struct sk_buff *skb) { struct hci_dev *hdev = (struct hci_dev *) skb->dev; if (!hdev) { kfree_skb(skb); return -ENODEV; } |
0d48d9394 [Bluetooth]: Move... |
1744 |
BT_DBG("%s type %d len %d", hdev->name, bt_cb(skb)->pkt_type, skb->len); |
1da177e4c Linux-2.6.12-rc2 |
1745 1746 1747 |
if (atomic_read(&hdev->promisc)) { /* Time stamp */ |
a61bbcf28 [NET]: Store skb-... |
1748 |
__net_timestamp(skb); |
1da177e4c Linux-2.6.12-rc2 |
1749 |
|
eec8d2bcc Bluetooth: Add su... |
1750 |
hci_send_to_sock(hdev, skb, NULL); |
1da177e4c Linux-2.6.12-rc2 |
1751 1752 1753 1754 1755 1756 1757 1758 1759 |
} /* Get rid of skb owner, prior to sending to the driver. */ skb_orphan(skb); return hdev->send(skb); } /* Send HCI command */ |
a9de92480 [Bluetooth] Switc... |
1760 |
int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param) |
1da177e4c Linux-2.6.12-rc2 |
1761 1762 1763 1764 |
{ int len = HCI_COMMAND_HDR_SIZE + plen; struct hci_command_hdr *hdr; struct sk_buff *skb; |
a9de92480 [Bluetooth] Switc... |
1765 |
BT_DBG("%s opcode 0x%x plen %d", hdev->name, opcode, plen); |
1da177e4c Linux-2.6.12-rc2 |
1766 1767 1768 |
skb = bt_skb_alloc(len, GFP_ATOMIC); if (!skb) { |
ef222013f [Bluetooth] Add h... |
1769 |
BT_ERR("%s no memory for command", hdev->name); |
1da177e4c Linux-2.6.12-rc2 |
1770 1771 1772 1773 |
return -ENOMEM; } hdr = (struct hci_command_hdr *) skb_put(skb, HCI_COMMAND_HDR_SIZE); |
a9de92480 [Bluetooth] Switc... |
1774 |
hdr->opcode = cpu_to_le16(opcode); |
1da177e4c Linux-2.6.12-rc2 |
1775 1776 1777 1778 1779 1780 |
hdr->plen = plen; if (plen) memcpy(skb_put(skb, plen), param, plen); BT_DBG("skb len %d", skb->len); |
0d48d9394 [Bluetooth]: Move... |
1781 |
bt_cb(skb)->pkt_type = HCI_COMMAND_PKT; |
1da177e4c Linux-2.6.12-rc2 |
1782 |
skb->dev = (void *) hdev; |
c78ae2831 Bluetooth: Unobfu... |
1783 |
|
a5040efa2 Bluetooth: Add sp... |
1784 1785 |
if (test_bit(HCI_INIT, &hdev->flags)) hdev->init_last_cmd = opcode; |
1da177e4c Linux-2.6.12-rc2 |
1786 |
skb_queue_tail(&hdev->cmd_q, skb); |
c347b765f Bluetooth: Move c... |
1787 |
queue_work(hdev->workqueue, &hdev->cmd_work); |
1da177e4c Linux-2.6.12-rc2 |
1788 1789 1790 |
return 0; } |
1da177e4c Linux-2.6.12-rc2 |
1791 1792 |
/* Get data from the previously sent command */ |
a9de92480 [Bluetooth] Switc... |
1793 |
void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode) |
1da177e4c Linux-2.6.12-rc2 |
1794 1795 1796 1797 1798 1799 1800 |
{ struct hci_command_hdr *hdr; if (!hdev->sent_cmd) return NULL; hdr = (void *) hdev->sent_cmd->data; |
a9de92480 [Bluetooth] Switc... |
1801 |
if (hdr->opcode != cpu_to_le16(opcode)) |
1da177e4c Linux-2.6.12-rc2 |
1802 |
return NULL; |
a9de92480 [Bluetooth] Switc... |
1803 |
BT_DBG("%s opcode 0x%x", hdev->name, opcode); |
1da177e4c Linux-2.6.12-rc2 |
1804 1805 1806 1807 1808 1809 1810 1811 1812 |
return hdev->sent_cmd->data + HCI_COMMAND_HDR_SIZE; } /* Send ACL data */ static void hci_add_acl_hdr(struct sk_buff *skb, __u16 handle, __u16 flags) { struct hci_acl_hdr *hdr; int len = skb->len; |
badff6d01 [SK_BUFF]: Introd... |
1813 1814 |
skb_push(skb, HCI_ACL_HDR_SIZE); skb_reset_transport_header(skb); |
9c70220b7 [SK_BUFF]: Introd... |
1815 |
hdr = (struct hci_acl_hdr *)skb_transport_header(skb); |
aca3192cc [NET] BLUETOOTH: ... |
1816 1817 |
hdr->handle = cpu_to_le16(hci_handle_pack(handle, flags)); hdr->dlen = cpu_to_le16(len); |
1da177e4c Linux-2.6.12-rc2 |
1818 |
} |
73d80deb7 Bluetooth: priori... |
1819 1820 |
static void hci_queue_acl(struct hci_conn *conn, struct sk_buff_head *queue, struct sk_buff *skb, __u16 flags) |
1da177e4c Linux-2.6.12-rc2 |
1821 1822 1823 |
{ struct hci_dev *hdev = conn->hdev; struct sk_buff *list; |
70f23020e Bluetooth: clean ... |
1824 1825 |
list = skb_shinfo(skb)->frag_list; if (!list) { |
1da177e4c Linux-2.6.12-rc2 |
1826 1827 |
/* Non fragmented */ BT_DBG("%s nonfrag skb %p len %d", hdev->name, skb, skb->len); |
73d80deb7 Bluetooth: priori... |
1828 |
skb_queue_tail(queue, skb); |
1da177e4c Linux-2.6.12-rc2 |
1829 1830 1831 1832 1833 1834 1835 |
} else { /* Fragmented */ BT_DBG("%s frag %p len %d", hdev->name, skb, skb->len); skb_shinfo(skb)->frag_list = NULL; /* Queue all fragments atomically */ |
af3e6359a Bluetooth: Don't ... |
1836 |
spin_lock(&queue->lock); |
1da177e4c Linux-2.6.12-rc2 |
1837 |
|
73d80deb7 Bluetooth: priori... |
1838 |
__skb_queue_tail(queue, skb); |
e702112ff Bluetooth: Use no... |
1839 1840 1841 |
flags &= ~ACL_START; flags |= ACL_CONT; |
1da177e4c Linux-2.6.12-rc2 |
1842 1843 |
do { skb = list; list = list->next; |
8e87d1425 [NET] BLUETOOTH: ... |
1844 |
|
1da177e4c Linux-2.6.12-rc2 |
1845 |
skb->dev = (void *) hdev; |
0d48d9394 [Bluetooth]: Move... |
1846 |
bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; |
e702112ff Bluetooth: Use no... |
1847 |
hci_add_acl_hdr(skb, conn->handle, flags); |
1da177e4c Linux-2.6.12-rc2 |
1848 1849 |
BT_DBG("%s frag %p len %d", hdev->name, skb, skb->len); |
73d80deb7 Bluetooth: priori... |
1850 |
__skb_queue_tail(queue, skb); |
1da177e4c Linux-2.6.12-rc2 |
1851 |
} while (list); |
af3e6359a Bluetooth: Don't ... |
1852 |
spin_unlock(&queue->lock); |
1da177e4c Linux-2.6.12-rc2 |
1853 |
} |
73d80deb7 Bluetooth: priori... |
1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 |
} void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags) { struct hci_conn *conn = chan->conn; struct hci_dev *hdev = conn->hdev; BT_DBG("%s chan %p flags 0x%x", hdev->name, chan, flags); skb->dev = (void *) hdev; bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; hci_add_acl_hdr(skb, conn->handle, flags); hci_queue_acl(conn, &chan->data_q, skb, flags); |
1da177e4c Linux-2.6.12-rc2 |
1868 |
|
3eff45eaf Bluetooth: conver... |
1869 |
queue_work(hdev->workqueue, &hdev->tx_work); |
1da177e4c Linux-2.6.12-rc2 |
1870 1871 1872 1873 |
} EXPORT_SYMBOL(hci_send_acl); /* Send SCO data */ |
0d861d8b8 Bluetooth: Make h... |
1874 |
void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb) |
1da177e4c Linux-2.6.12-rc2 |
1875 1876 1877 1878 1879 |
{ struct hci_dev *hdev = conn->hdev; struct hci_sco_hdr hdr; BT_DBG("%s len %d", hdev->name, skb->len); |
aca3192cc [NET] BLUETOOTH: ... |
1880 |
hdr.handle = cpu_to_le16(conn->handle); |
1da177e4c Linux-2.6.12-rc2 |
1881 |
hdr.dlen = skb->len; |
badff6d01 [SK_BUFF]: Introd... |
1882 1883 |
skb_push(skb, HCI_SCO_HDR_SIZE); skb_reset_transport_header(skb); |
9c70220b7 [SK_BUFF]: Introd... |
1884 |
memcpy(skb_transport_header(skb), &hdr, HCI_SCO_HDR_SIZE); |
1da177e4c Linux-2.6.12-rc2 |
1885 1886 |
skb->dev = (void *) hdev; |
0d48d9394 [Bluetooth]: Move... |
1887 |
bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; |
c78ae2831 Bluetooth: Unobfu... |
1888 |
|
1da177e4c Linux-2.6.12-rc2 |
1889 |
skb_queue_tail(&conn->data_q, skb); |
3eff45eaf Bluetooth: conver... |
1890 |
queue_work(hdev->workqueue, &hdev->tx_work); |
1da177e4c Linux-2.6.12-rc2 |
1891 1892 1893 1894 1895 1896 1897 1898 1899 |
} EXPORT_SYMBOL(hci_send_sco); /* ---- HCI TX task (outgoing data) ---- */ /* HCI Connection scheduler */ static inline struct hci_conn *hci_low_sent(struct hci_dev *hdev, __u8 type, int *quote) { struct hci_conn_hash *h = &hdev->conn_hash; |
8035ded46 Bluetooth: replac... |
1900 |
struct hci_conn *conn = NULL, *c; |
1da177e4c Linux-2.6.12-rc2 |
1901 |
int num = 0, min = ~0; |
1da177e4c Linux-2.6.12-rc2 |
1902 |
|
8e87d1425 [NET] BLUETOOTH: ... |
1903 |
/* We don't have to lock device here. Connections are always |
1da177e4c Linux-2.6.12-rc2 |
1904 |
* added and removed with TX task disabled. */ |
bf4c63252 Bluetooth: conver... |
1905 1906 1907 1908 |
rcu_read_lock(); list_for_each_entry_rcu(c, &h->list, list) { |
769be974d [Bluetooth] Use A... |
1909 |
if (c->type != type || skb_queue_empty(&c->data_q)) |
1da177e4c Linux-2.6.12-rc2 |
1910 |
continue; |
769be974d [Bluetooth] Use A... |
1911 1912 1913 |
if (c->state != BT_CONNECTED && c->state != BT_CONFIG) continue; |
1da177e4c Linux-2.6.12-rc2 |
1914 1915 1916 1917 1918 1919 |
num++; if (c->sent < min) { min = c->sent; conn = c; } |
52087a792 Bluetooth: make u... |
1920 1921 1922 |
if (hci_conn_num(hdev, type) == num) break; |
1da177e4c Linux-2.6.12-rc2 |
1923 |
} |
bf4c63252 Bluetooth: conver... |
1924 |
rcu_read_unlock(); |
1da177e4c Linux-2.6.12-rc2 |
1925 |
if (conn) { |
6ed58ec52 Bluetooth: Use LE... |
1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 |
int cnt, q; switch (conn->type) { case ACL_LINK: cnt = hdev->acl_cnt; break; case SCO_LINK: case ESCO_LINK: cnt = hdev->sco_cnt; break; case LE_LINK: cnt = hdev->le_mtu ? hdev->le_cnt : hdev->acl_cnt; break; default: cnt = 0; BT_ERR("Unknown link type"); } q = cnt / num; |
1da177e4c Linux-2.6.12-rc2 |
1945 1946 1947 1948 1949 1950 1951 |
*quote = q ? q : 1; } else *quote = 0; BT_DBG("conn %p quote %d", conn, *quote); return conn; } |
bae1f5d94 Bluetooth: Treat ... |
1952 |
static inline void hci_link_tx_to(struct hci_dev *hdev, __u8 type) |
1da177e4c Linux-2.6.12-rc2 |
1953 1954 |
{ struct hci_conn_hash *h = &hdev->conn_hash; |
8035ded46 Bluetooth: replac... |
1955 |
struct hci_conn *c; |
1da177e4c Linux-2.6.12-rc2 |
1956 |
|
bae1f5d94 Bluetooth: Treat ... |
1957 |
BT_ERR("%s link tx timeout", hdev->name); |
1da177e4c Linux-2.6.12-rc2 |
1958 |
|
bf4c63252 Bluetooth: conver... |
1959 |
rcu_read_lock(); |
1da177e4c Linux-2.6.12-rc2 |
1960 |
/* Kill stalled connections */ |
bf4c63252 Bluetooth: conver... |
1961 |
list_for_each_entry_rcu(c, &h->list, list) { |
bae1f5d94 Bluetooth: Treat ... |
1962 1963 |
if (c->type == type && c->sent) { BT_ERR("%s killing stalled connection %s", |
1da177e4c Linux-2.6.12-rc2 |
1964 1965 1966 1967 |
hdev->name, batostr(&c->dst)); hci_acl_disconn(c, 0x13); } } |
bf4c63252 Bluetooth: conver... |
1968 1969 |
rcu_read_unlock(); |
1da177e4c Linux-2.6.12-rc2 |
1970 |
} |
73d80deb7 Bluetooth: priori... |
1971 1972 |
static inline struct hci_chan *hci_chan_sent(struct hci_dev *hdev, __u8 type, int *quote) |
1da177e4c Linux-2.6.12-rc2 |
1973 |
{ |
73d80deb7 Bluetooth: priori... |
1974 1975 1976 |
struct hci_conn_hash *h = &hdev->conn_hash; struct hci_chan *chan = NULL; int num = 0, min = ~0, cur_prio = 0; |
1da177e4c Linux-2.6.12-rc2 |
1977 |
struct hci_conn *conn; |
73d80deb7 Bluetooth: priori... |
1978 1979 1980 |
int cnt, q, conn_num = 0; BT_DBG("%s", hdev->name); |
bf4c63252 Bluetooth: conver... |
1981 1982 1983 |
rcu_read_lock(); list_for_each_entry_rcu(conn, &h->list, list) { |
73d80deb7 Bluetooth: priori... |
1984 1985 1986 1987 1988 1989 1990 1991 1992 |
struct hci_chan *tmp; if (conn->type != type) continue; if (conn->state != BT_CONNECTED && conn->state != BT_CONFIG) continue; conn_num++; |
8192edef0 Bluetooth: Use RC... |
1993 |
list_for_each_entry_rcu(tmp, &conn->chan_list, list) { |
73d80deb7 Bluetooth: priori... |
1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 |
struct sk_buff *skb; if (skb_queue_empty(&tmp->data_q)) continue; skb = skb_peek(&tmp->data_q); if (skb->priority < cur_prio) continue; if (skb->priority > cur_prio) { num = 0; min = ~0; cur_prio = skb->priority; } num++; if (conn->sent < min) { min = conn->sent; chan = tmp; } } if (hci_conn_num(hdev, type) == conn_num) break; } |
bf4c63252 Bluetooth: conver... |
2020 |
rcu_read_unlock(); |
73d80deb7 Bluetooth: priori... |
2021 2022 2023 2024 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 |
if (!chan) return NULL; switch (chan->conn->type) { case ACL_LINK: cnt = hdev->acl_cnt; break; case SCO_LINK: case ESCO_LINK: cnt = hdev->sco_cnt; break; case LE_LINK: cnt = hdev->le_mtu ? hdev->le_cnt : hdev->acl_cnt; break; default: cnt = 0; BT_ERR("Unknown link type"); } q = cnt / num; *quote = q ? q : 1; BT_DBG("chan %p quote %d", chan, *quote); return chan; } |
02b20f0bb Bluetooth: recalc... |
2045 2046 2047 2048 2049 2050 2051 |
static void hci_prio_recalculate(struct hci_dev *hdev, __u8 type) { struct hci_conn_hash *h = &hdev->conn_hash; struct hci_conn *conn; int num = 0; BT_DBG("%s", hdev->name); |
bf4c63252 Bluetooth: conver... |
2052 2053 2054 |
rcu_read_lock(); list_for_each_entry_rcu(conn, &h->list, list) { |
02b20f0bb Bluetooth: recalc... |
2055 2056 2057 2058 2059 2060 2061 2062 2063 |
struct hci_chan *chan; if (conn->type != type) continue; if (conn->state != BT_CONNECTED && conn->state != BT_CONFIG) continue; num++; |
8192edef0 Bluetooth: Use RC... |
2064 |
list_for_each_entry_rcu(chan, &conn->chan_list, list) { |
02b20f0bb Bluetooth: recalc... |
2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 |
struct sk_buff *skb; if (chan->sent) { chan->sent = 0; continue; } if (skb_queue_empty(&chan->data_q)) continue; skb = skb_peek(&chan->data_q); if (skb->priority >= HCI_PRIO_MAX - 1) continue; skb->priority = HCI_PRIO_MAX - 1; BT_DBG("chan %p skb %p promoted to %d", chan, skb, skb->priority); } if (hci_conn_num(hdev, type) == num) break; } |
bf4c63252 Bluetooth: conver... |
2088 2089 |
rcu_read_unlock(); |
02b20f0bb Bluetooth: recalc... |
2090 |
} |
73d80deb7 Bluetooth: priori... |
2091 2092 2093 |
static inline void hci_sched_acl(struct hci_dev *hdev) { struct hci_chan *chan; |
1da177e4c Linux-2.6.12-rc2 |
2094 2095 |
struct sk_buff *skb; int quote; |
73d80deb7 Bluetooth: priori... |
2096 |
unsigned int cnt; |
1da177e4c Linux-2.6.12-rc2 |
2097 2098 |
BT_DBG("%s", hdev->name); |
52087a792 Bluetooth: make u... |
2099 2100 |
if (!hci_conn_num(hdev, ACL_LINK)) return; |
1da177e4c Linux-2.6.12-rc2 |
2101 2102 2103 |
if (!test_bit(HCI_RAW, &hdev->flags)) { /* ACL tx timeout must be longer than maximum * link supervision timeout (40.9 seconds) */ |
82453021b [BLUETOOTH] net/b... |
2104 |
if (!hdev->acl_cnt && time_after(jiffies, hdev->acl_last_tx + HZ * 45)) |
bae1f5d94 Bluetooth: Treat ... |
2105 |
hci_link_tx_to(hdev, ACL_LINK); |
1da177e4c Linux-2.6.12-rc2 |
2106 |
} |
73d80deb7 Bluetooth: priori... |
2107 |
cnt = hdev->acl_cnt; |
04837f644 [Bluetooth] Add a... |
2108 |
|
73d80deb7 Bluetooth: priori... |
2109 2110 |
while (hdev->acl_cnt && (chan = hci_chan_sent(hdev, ACL_LINK, "e))) { |
ec1cce24d Bluetooth: handle... |
2111 2112 |
u32 priority = (skb_peek(&chan->data_q))->priority; while (quote-- && (skb = skb_peek(&chan->data_q))) { |
73d80deb7 Bluetooth: priori... |
2113 2114 |
BT_DBG("chan %p skb %p len %d priority %u", chan, skb, skb->len, skb->priority); |
ec1cce24d Bluetooth: handle... |
2115 2116 2117 2118 2119 |
/* Stop if priority has changed */ if (skb->priority < priority) break; skb = skb_dequeue(&chan->data_q); |
73d80deb7 Bluetooth: priori... |
2120 2121 |
hci_conn_enter_active_mode(chan->conn, bt_cb(skb)->force_active); |
04837f644 [Bluetooth] Add a... |
2122 |
|
1da177e4c Linux-2.6.12-rc2 |
2123 2124 2125 2126 |
hci_send_frame(skb); hdev->acl_last_tx = jiffies; hdev->acl_cnt--; |
73d80deb7 Bluetooth: priori... |
2127 2128 |
chan->sent++; chan->conn->sent++; |
1da177e4c Linux-2.6.12-rc2 |
2129 2130 |
} } |
02b20f0bb Bluetooth: recalc... |
2131 2132 2133 |
if (cnt != hdev->acl_cnt) hci_prio_recalculate(hdev, ACL_LINK); |
1da177e4c Linux-2.6.12-rc2 |
2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 |
} /* Schedule SCO */ static inline void hci_sched_sco(struct hci_dev *hdev) { struct hci_conn *conn; struct sk_buff *skb; int quote; BT_DBG("%s", hdev->name); |
52087a792 Bluetooth: make u... |
2144 2145 |
if (!hci_conn_num(hdev, SCO_LINK)) return; |
1da177e4c Linux-2.6.12-rc2 |
2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 |
while (hdev->sco_cnt && (conn = hci_low_sent(hdev, SCO_LINK, "e))) { while (quote-- && (skb = skb_dequeue(&conn->data_q))) { BT_DBG("skb %p len %d", skb, skb->len); hci_send_frame(skb); conn->sent++; if (conn->sent == ~0) conn->sent = 0; } } } |
b6a0dc822 [Bluetooth] Add s... |
2157 2158 2159 2160 2161 2162 2163 |
static inline void hci_sched_esco(struct hci_dev *hdev) { struct hci_conn *conn; struct sk_buff *skb; int quote; BT_DBG("%s", hdev->name); |
52087a792 Bluetooth: make u... |
2164 2165 |
if (!hci_conn_num(hdev, ESCO_LINK)) return; |
b6a0dc822 [Bluetooth] Add s... |
2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 |
while (hdev->sco_cnt && (conn = hci_low_sent(hdev, ESCO_LINK, "e))) { while (quote-- && (skb = skb_dequeue(&conn->data_q))) { BT_DBG("skb %p len %d", skb, skb->len); hci_send_frame(skb); conn->sent++; if (conn->sent == ~0) conn->sent = 0; } } } |
6ed58ec52 Bluetooth: Use LE... |
2177 2178 |
static inline void hci_sched_le(struct hci_dev *hdev) { |
73d80deb7 Bluetooth: priori... |
2179 |
struct hci_chan *chan; |
6ed58ec52 Bluetooth: Use LE... |
2180 |
struct sk_buff *skb; |
02b20f0bb Bluetooth: recalc... |
2181 |
int quote, cnt, tmp; |
6ed58ec52 Bluetooth: Use LE... |
2182 2183 |
BT_DBG("%s", hdev->name); |
52087a792 Bluetooth: make u... |
2184 2185 |
if (!hci_conn_num(hdev, LE_LINK)) return; |
6ed58ec52 Bluetooth: Use LE... |
2186 2187 2188 |
if (!test_bit(HCI_RAW, &hdev->flags)) { /* LE tx timeout must be longer than maximum * link supervision timeout (40.9 seconds) */ |
bae1f5d94 Bluetooth: Treat ... |
2189 |
if (!hdev->le_cnt && hdev->le_pkts && |
6ed58ec52 Bluetooth: Use LE... |
2190 |
time_after(jiffies, hdev->le_last_tx + HZ * 45)) |
bae1f5d94 Bluetooth: Treat ... |
2191 |
hci_link_tx_to(hdev, LE_LINK); |
6ed58ec52 Bluetooth: Use LE... |
2192 2193 2194 |
} cnt = hdev->le_pkts ? hdev->le_cnt : hdev->acl_cnt; |
02b20f0bb Bluetooth: recalc... |
2195 |
tmp = cnt; |
73d80deb7 Bluetooth: priori... |
2196 |
while (cnt && (chan = hci_chan_sent(hdev, LE_LINK, "e))) { |
ec1cce24d Bluetooth: handle... |
2197 2198 |
u32 priority = (skb_peek(&chan->data_q))->priority; while (quote-- && (skb = skb_peek(&chan->data_q))) { |
73d80deb7 Bluetooth: priori... |
2199 2200 |
BT_DBG("chan %p skb %p len %d priority %u", chan, skb, skb->len, skb->priority); |
6ed58ec52 Bluetooth: Use LE... |
2201 |
|
ec1cce24d Bluetooth: handle... |
2202 2203 2204 2205 2206 |
/* Stop if priority has changed */ if (skb->priority < priority) break; skb = skb_dequeue(&chan->data_q); |
6ed58ec52 Bluetooth: Use LE... |
2207 2208 2209 2210 |
hci_send_frame(skb); hdev->le_last_tx = jiffies; cnt--; |
73d80deb7 Bluetooth: priori... |
2211 2212 |
chan->sent++; chan->conn->sent++; |
6ed58ec52 Bluetooth: Use LE... |
2213 2214 |
} } |
73d80deb7 Bluetooth: priori... |
2215 |
|
6ed58ec52 Bluetooth: Use LE... |
2216 2217 2218 2219 |
if (hdev->le_pkts) hdev->le_cnt = cnt; else hdev->acl_cnt = cnt; |
02b20f0bb Bluetooth: recalc... |
2220 2221 2222 |
if (cnt != tmp) hci_prio_recalculate(hdev, LE_LINK); |
6ed58ec52 Bluetooth: Use LE... |
2223 |
} |
3eff45eaf Bluetooth: conver... |
2224 |
static void hci_tx_work(struct work_struct *work) |
1da177e4c Linux-2.6.12-rc2 |
2225 |
{ |
3eff45eaf Bluetooth: conver... |
2226 |
struct hci_dev *hdev = container_of(work, struct hci_dev, tx_work); |
1da177e4c Linux-2.6.12-rc2 |
2227 |
struct sk_buff *skb; |
6ed58ec52 Bluetooth: Use LE... |
2228 2229 |
BT_DBG("%s acl %d sco %d le %d", hdev->name, hdev->acl_cnt, hdev->sco_cnt, hdev->le_cnt); |
1da177e4c Linux-2.6.12-rc2 |
2230 2231 2232 2233 2234 2235 |
/* Schedule queues and send stuff to HCI driver */ hci_sched_acl(hdev); hci_sched_sco(hdev); |
b6a0dc822 [Bluetooth] Add s... |
2236 |
hci_sched_esco(hdev); |
6ed58ec52 Bluetooth: Use LE... |
2237 |
hci_sched_le(hdev); |
1da177e4c Linux-2.6.12-rc2 |
2238 2239 2240 |
/* Send next queued raw (unknown type) packet */ while ((skb = skb_dequeue(&hdev->raw_q))) hci_send_frame(skb); |
1da177e4c Linux-2.6.12-rc2 |
2241 |
} |
25985edce Fix common misspe... |
2242 |
/* ----- HCI RX task (incoming data processing) ----- */ |
1da177e4c Linux-2.6.12-rc2 |
2243 2244 2245 2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 |
/* ACL data packet */ static inline void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_acl_hdr *hdr = (void *) skb->data; struct hci_conn *conn; __u16 handle, flags; skb_pull(skb, HCI_ACL_HDR_SIZE); handle = __le16_to_cpu(hdr->handle); flags = hci_flags(handle); handle = hci_handle(handle); BT_DBG("%s len %d handle 0x%x flags 0x%x", hdev->name, skb->len, handle, flags); hdev->stat.acl_rx++; hci_dev_lock(hdev); conn = hci_conn_hash_lookup_handle(hdev, handle); hci_dev_unlock(hdev); |
8e87d1425 [NET] BLUETOOTH: ... |
2264 |
|
1da177e4c Linux-2.6.12-rc2 |
2265 |
if (conn) { |
65983fc7b Bluetooth: Incomi... |
2266 |
hci_conn_enter_active_mode(conn, BT_POWER_FORCE_ACTIVE_OFF); |
04837f644 [Bluetooth] Add a... |
2267 |
|
1da177e4c Linux-2.6.12-rc2 |
2268 |
/* Send to upper protocol */ |
686ebf283 Bluetooth: Make H... |
2269 2270 |
l2cap_recv_acldata(conn, skb, flags); return; |
1da177e4c Linux-2.6.12-rc2 |
2271 |
} else { |
8e87d1425 [NET] BLUETOOTH: ... |
2272 |
BT_ERR("%s ACL packet for unknown connection handle %d", |
1da177e4c Linux-2.6.12-rc2 |
2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 |
hdev->name, handle); } kfree_skb(skb); } /* SCO data packet */ static inline void hci_scodata_packet(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_sco_hdr *hdr = (void *) skb->data; struct hci_conn *conn; __u16 handle; skb_pull(skb, HCI_SCO_HDR_SIZE); handle = __le16_to_cpu(hdr->handle); BT_DBG("%s len %d handle 0x%x", hdev->name, skb->len, handle); hdev->stat.sco_rx++; hci_dev_lock(hdev); conn = hci_conn_hash_lookup_handle(hdev, handle); hci_dev_unlock(hdev); if (conn) { |
1da177e4c Linux-2.6.12-rc2 |
2299 |
/* Send to upper protocol */ |
686ebf283 Bluetooth: Make H... |
2300 2301 |
sco_recv_scodata(conn, skb); return; |
1da177e4c Linux-2.6.12-rc2 |
2302 |
} else { |
8e87d1425 [NET] BLUETOOTH: ... |
2303 |
BT_ERR("%s SCO packet for unknown connection handle %d", |
1da177e4c Linux-2.6.12-rc2 |
2304 2305 2306 2307 2308 |
hdev->name, handle); } kfree_skb(skb); } |
b78752cc7 Bluetooth: Proces... |
2309 |
static void hci_rx_work(struct work_struct *work) |
1da177e4c Linux-2.6.12-rc2 |
2310 |
{ |
b78752cc7 Bluetooth: Proces... |
2311 |
struct hci_dev *hdev = container_of(work, struct hci_dev, rx_work); |
1da177e4c Linux-2.6.12-rc2 |
2312 2313 2314 |
struct sk_buff *skb; BT_DBG("%s", hdev->name); |
1da177e4c Linux-2.6.12-rc2 |
2315 2316 2317 |
while ((skb = skb_dequeue(&hdev->rx_q))) { if (atomic_read(&hdev->promisc)) { /* Send copy to the sockets */ |
eec8d2bcc Bluetooth: Add su... |
2318 |
hci_send_to_sock(hdev, skb, NULL); |
1da177e4c Linux-2.6.12-rc2 |
2319 2320 2321 2322 2323 2324 2325 2326 2327 |
} if (test_bit(HCI_RAW, &hdev->flags)) { kfree_skb(skb); continue; } if (test_bit(HCI_INIT, &hdev->flags)) { /* Don't process data packets in this states. */ |
0d48d9394 [Bluetooth]: Move... |
2328 |
switch (bt_cb(skb)->pkt_type) { |
1da177e4c Linux-2.6.12-rc2 |
2329 2330 2331 2332 |
case HCI_ACLDATA_PKT: case HCI_SCODATA_PKT: kfree_skb(skb); continue; |
3ff50b799 [NET]: cleanup ex... |
2333 |
} |
1da177e4c Linux-2.6.12-rc2 |
2334 2335 2336 |
} /* Process frame */ |
0d48d9394 [Bluetooth]: Move... |
2337 |
switch (bt_cb(skb)->pkt_type) { |
1da177e4c Linux-2.6.12-rc2 |
2338 |
case HCI_EVENT_PKT: |
b78752cc7 Bluetooth: Proces... |
2339 |
BT_DBG("%s Event packet", hdev->name); |
1da177e4c Linux-2.6.12-rc2 |
2340 2341 2342 2343 2344 2345 2346 2347 2348 2349 2350 2351 2352 2353 2354 2355 2356 2357 |
hci_event_packet(hdev, skb); break; case HCI_ACLDATA_PKT: BT_DBG("%s ACL data packet", hdev->name); hci_acldata_packet(hdev, skb); break; case HCI_SCODATA_PKT: BT_DBG("%s SCO data packet", hdev->name); hci_scodata_packet(hdev, skb); break; default: kfree_skb(skb); break; } } |
1da177e4c Linux-2.6.12-rc2 |
2358 |
} |
c347b765f Bluetooth: Move c... |
2359 |
static void hci_cmd_work(struct work_struct *work) |
1da177e4c Linux-2.6.12-rc2 |
2360 |
{ |
c347b765f Bluetooth: Move c... |
2361 |
struct hci_dev *hdev = container_of(work, struct hci_dev, cmd_work); |
1da177e4c Linux-2.6.12-rc2 |
2362 2363 2364 |
struct sk_buff *skb; BT_DBG("%s cmd %d", hdev->name, atomic_read(&hdev->cmd_cnt)); |
1da177e4c Linux-2.6.12-rc2 |
2365 |
/* Send queued commands */ |
5a08ecced Bluetooth: Do not... |
2366 2367 2368 2369 |
if (atomic_read(&hdev->cmd_cnt)) { skb = skb_dequeue(&hdev->cmd_q); if (!skb) return; |
7585b97a4 Bluetooth: Remove... |
2370 |
kfree_skb(hdev->sent_cmd); |
1da177e4c Linux-2.6.12-rc2 |
2371 |
|
70f23020e Bluetooth: clean ... |
2372 2373 |
hdev->sent_cmd = skb_clone(skb, GFP_ATOMIC); if (hdev->sent_cmd) { |
1da177e4c Linux-2.6.12-rc2 |
2374 2375 |
atomic_dec(&hdev->cmd_cnt); hci_send_frame(skb); |
7bdb8a5cf Bluetooth: Don't ... |
2376 2377 2378 2379 |
if (test_bit(HCI_RESET, &hdev->flags)) del_timer(&hdev->cmd_timer); else mod_timer(&hdev->cmd_timer, |
6bd32326c Bluetooth: Use pr... |
2380 |
jiffies + msecs_to_jiffies(HCI_CMD_TIMEOUT)); |
1da177e4c Linux-2.6.12-rc2 |
2381 2382 |
} else { skb_queue_head(&hdev->cmd_q, skb); |
c347b765f Bluetooth: Move c... |
2383 |
queue_work(hdev->workqueue, &hdev->cmd_work); |
1da177e4c Linux-2.6.12-rc2 |
2384 2385 2386 |
} } } |
2519a1fc8 Bluetooth: Create... |
2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 |
int hci_do_inquiry(struct hci_dev *hdev, u8 length) { /* General inquiry access code (GIAC) */ u8 lap[3] = { 0x33, 0x8b, 0x9e }; struct hci_cp_inquiry cp; BT_DBG("%s", hdev->name); if (test_bit(HCI_INQUIRY, &hdev->flags)) return -EINPROGRESS; memset(&cp, 0, sizeof(cp)); memcpy(&cp.lap, lap, sizeof(cp.lap)); cp.length = length; return hci_send_cmd(hdev, HCI_OP_INQUIRY, sizeof(cp), &cp); } |
023d50498 Bluetooth: Create... |
2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 |
int hci_cancel_inquiry(struct hci_dev *hdev) { BT_DBG("%s", hdev->name); if (!test_bit(HCI_INQUIRY, &hdev->flags)) return -EPERM; return hci_send_cmd(hdev, HCI_OP_INQUIRY_CANCEL, 0, NULL); } |
7784d78f1 Bluetooth: making... |
2415 2416 2417 |
module_param(enable_hs, bool, 0644); MODULE_PARM_DESC(enable_hs, "Enable High Speed"); |