diff options
Diffstat (limited to 'net/bluetooth/hci_core.c')
-rw-r--r-- | net/bluetooth/hci_core.c | 1140 |
1 files changed, 947 insertions, 193 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 634debab4d5..6ccc4eb9e55 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -27,8 +27,9 @@ #include <linux/export.h> #include <linux/idr.h> - #include <linux/rfkill.h> +#include <linux/debugfs.h> +#include <asm/unaligned.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> @@ -55,6 +56,586 @@ static void hci_notify(struct hci_dev *hdev, int event) hci_sock_dev_event(hdev, event); } +/* ---- HCI debugfs entries ---- */ + +static ssize_t dut_mode_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct hci_dev *hdev = file->private_data; + char buf[3]; + + buf[0] = test_bit(HCI_DUT_MODE, &hdev->dev_flags) ? 'Y': 'N'; + buf[1] = '\n'; + buf[2] = '\0'; + return simple_read_from_buffer(user_buf, count, ppos, buf, 2); +} + +static ssize_t dut_mode_write(struct file *file, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct hci_dev *hdev = file->private_data; + struct sk_buff *skb; + char buf[32]; + size_t buf_size = min(count, (sizeof(buf)-1)); + bool enable; + int err; + + if (!test_bit(HCI_UP, &hdev->flags)) + return -ENETDOWN; + + if (copy_from_user(buf, user_buf, buf_size)) + return -EFAULT; + + buf[buf_size] = '\0'; + if (strtobool(buf, &enable)) + return -EINVAL; + + if (enable == test_bit(HCI_DUT_MODE, &hdev->dev_flags)) + return -EALREADY; + + hci_req_lock(hdev); + if (enable) + skb = __hci_cmd_sync(hdev, HCI_OP_ENABLE_DUT_MODE, 0, NULL, + HCI_CMD_TIMEOUT); + else + skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, + HCI_CMD_TIMEOUT); + hci_req_unlock(hdev); + + if (IS_ERR(skb)) + return PTR_ERR(skb); + + err = -bt_to_errno(skb->data[0]); + kfree_skb(skb); + + if (err < 0) + return err; + + change_bit(HCI_DUT_MODE, &hdev->dev_flags); + + return count; +} + +static const struct file_operations dut_mode_fops = { + .open = simple_open, + .read = dut_mode_read, + .write = dut_mode_write, + .llseek = default_llseek, +}; + +static int features_show(struct seq_file *f, void *ptr) +{ + struct hci_dev *hdev = f->private; + u8 p; + + hci_dev_lock(hdev); + for (p = 0; p < HCI_MAX_PAGES && p <= hdev->max_page; p++) { + seq_printf(f, "%2u: 0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x " + "0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x\n", p, + hdev->features[p][0], hdev->features[p][1], + hdev->features[p][2], hdev->features[p][3], + hdev->features[p][4], hdev->features[p][5], + hdev->features[p][6], hdev->features[p][7]); + } + if (lmp_le_capable(hdev)) + seq_printf(f, "LE: 0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x " + "0x%2.2x 0x%2.2x 0x%2.2x 0x%2.2x\n", + hdev->le_features[0], hdev->le_features[1], + hdev->le_features[2], hdev->le_features[3], + hdev->le_features[4], hdev->le_features[5], + hdev->le_features[6], hdev->le_features[7]); + hci_dev_unlock(hdev); + + return 0; +} + +static int features_open(struct inode *inode, struct file *file) +{ + return single_open(file, features_show, inode->i_private); +} + +static const struct file_operations features_fops = { + .open = features_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int blacklist_show(struct seq_file *f, void *p) +{ + struct hci_dev *hdev = f->private; + struct bdaddr_list *b; + + hci_dev_lock(hdev); + list_for_each_entry(b, &hdev->blacklist, list) + seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type); + hci_dev_unlock(hdev); + + return 0; +} + +static int blacklist_open(struct inode *inode, struct file *file) +{ + return single_open(file, blacklist_show, inode->i_private); +} + +static const struct file_operations blacklist_fops = { + .open = blacklist_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int uuids_show(struct seq_file *f, void *p) +{ + struct hci_dev *hdev = f->private; + struct bt_uuid *uuid; + + hci_dev_lock(hdev); + list_for_each_entry(uuid, &hdev->uuids, list) { + u8 i, val[16]; + + /* The Bluetooth UUID values are stored in big endian, + * but with reversed byte order. So convert them into + * the right order for the %pUb modifier. + */ + for (i = 0; i < 16; i++) + val[i] = uuid->uuid[15 - i]; + + seq_printf(f, "%pUb\n", val); + } + hci_dev_unlock(hdev); + + return 0; +} + +static int uuids_open(struct inode *inode, struct file *file) +{ + return single_open(file, uuids_show, inode->i_private); +} + +static const struct file_operations uuids_fops = { + .open = uuids_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int inquiry_cache_show(struct seq_file *f, void *p) +{ + struct hci_dev *hdev = f->private; + struct discovery_state *cache = &hdev->discovery; + struct inquiry_entry *e; + + hci_dev_lock(hdev); + + list_for_each_entry(e, &cache->all, all) { + struct inquiry_data *data = &e->data; + seq_printf(f, "%pMR %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n", + &data->bdaddr, + data->pscan_rep_mode, data->pscan_period_mode, + data->pscan_mode, data->dev_class[2], + data->dev_class[1], data->dev_class[0], + __le16_to_cpu(data->clock_offset), + data->rssi, data->ssp_mode, e->timestamp); + } + + hci_dev_unlock(hdev); + + return 0; +} + +static int inquiry_cache_open(struct inode *inode, struct file *file) +{ + return single_open(file, inquiry_cache_show, inode->i_private); +} + +static const struct file_operations inquiry_cache_fops = { + .open = inquiry_cache_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int link_keys_show(struct seq_file *f, void *ptr) +{ + struct hci_dev *hdev = f->private; + struct list_head *p, *n; + + hci_dev_lock(hdev); + list_for_each_safe(p, n, &hdev->link_keys) { + struct link_key *key = list_entry(p, struct link_key, list); + seq_printf(f, "%pMR %u %*phN %u\n", &key->bdaddr, key->type, + HCI_LINK_KEY_SIZE, key->val, key->pin_len); + } + hci_dev_unlock(hdev); + + return 0; +} + +static int link_keys_open(struct inode *inode, struct file *file) +{ + return single_open(file, link_keys_show, inode->i_private); +} + +static const struct file_operations link_keys_fops = { + .open = link_keys_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static ssize_t use_debug_keys_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct hci_dev *hdev = file->private_data; + char buf[3]; + + buf[0] = test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) ? 'Y': 'N'; + buf[1] = '\n'; + buf[2] = '\0'; + return simple_read_from_buffer(user_buf, count, ppos, buf, 2); +} + +static const struct file_operations use_debug_keys_fops = { + .open = simple_open, + .read = use_debug_keys_read, + .llseek = default_llseek, +}; + +static int dev_class_show(struct seq_file *f, void *ptr) +{ + struct hci_dev *hdev = f->private; + + hci_dev_lock(hdev); + seq_printf(f, "0x%.2x%.2x%.2x\n", hdev->dev_class[2], + hdev->dev_class[1], hdev->dev_class[0]); + hci_dev_unlock(hdev); + + return 0; +} + +static int dev_class_open(struct inode *inode, struct file *file) +{ + return single_open(file, dev_class_show, inode->i_private); +} + +static const struct file_operations dev_class_fops = { + .open = dev_class_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int voice_setting_get(void *data, u64 *val) +{ + struct hci_dev *hdev = data; + + hci_dev_lock(hdev); + *val = hdev->voice_setting; + hci_dev_unlock(hdev); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(voice_setting_fops, voice_setting_get, + NULL, "0x%4.4llx\n"); + +static int auto_accept_delay_set(void *data, u64 val) +{ + struct hci_dev *hdev = data; + + hci_dev_lock(hdev); + hdev->auto_accept_delay = val; + hci_dev_unlock(hdev); + + return 0; +} + +static int auto_accept_delay_get(void *data, u64 *val) +{ + struct hci_dev *hdev = data; + + hci_dev_lock(hdev); + *val = hdev->auto_accept_delay; + hci_dev_unlock(hdev); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(auto_accept_delay_fops, auto_accept_delay_get, + auto_accept_delay_set, "%llu\n"); + +static int ssp_debug_mode_set(void *data, u64 val) +{ + struct hci_dev *hdev = data; + struct sk_buff *skb; + __u8 mode; + int err; + + if (val != 0 && val != 1) + return -EINVAL; + + if (!test_bit(HCI_UP, &hdev->flags)) + return -ENETDOWN; + + hci_req_lock(hdev); + mode = val; + skb = __hci_cmd_sync(hdev, HCI_OP_WRITE_SSP_DEBUG_MODE, sizeof(mode), + &mode, HCI_CMD_TIMEOUT); + hci_req_unlock(hdev); + + if (IS_ERR(skb)) + return PTR_ERR(skb); + + err = -bt_to_errno(skb->data[0]); + kfree_skb(skb); + + if (err < 0) + return err; + + hci_dev_lock(hdev); + hdev->ssp_debug_mode = val; + hci_dev_unlock(hdev); + + return 0; +} + +static int ssp_debug_mode_get(void *data, u64 *val) +{ + struct hci_dev *hdev = data; + + hci_dev_lock(hdev); + *val = hdev->ssp_debug_mode; + hci_dev_unlock(hdev); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(ssp_debug_mode_fops, ssp_debug_mode_get, + ssp_debug_mode_set, "%llu\n"); + +static int idle_timeout_set(void *data, u64 val) +{ + struct hci_dev *hdev = data; + + if (val != 0 && (val < 500 || val > 3600000)) + return -EINVAL; + + hci_dev_lock(hdev); + hdev->idle_timeout = val; + hci_dev_unlock(hdev); + + return 0; +} + +static int idle_timeout_get(void *data, u64 *val) +{ + struct hci_dev *hdev = data; + + hci_dev_lock(hdev); + *val = hdev->idle_timeout; + hci_dev_unlock(hdev); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(idle_timeout_fops, idle_timeout_get, + idle_timeout_set, "%llu\n"); + +static int sniff_min_interval_set(void *data, u64 val) +{ + struct hci_dev *hdev = data; + + if (val == 0 || val % 2 || val > hdev->sniff_max_interval) + return -EINVAL; + + hci_dev_lock(hdev); + hdev->sniff_min_interval = val; + hci_dev_unlock(hdev); + + return 0; +} + +static int sniff_min_interval_get(void *data, u64 *val) +{ + struct hci_dev *hdev = data; + + hci_dev_lock(hdev); + *val = hdev->sniff_min_interval; + hci_dev_unlock(hdev); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(sniff_min_interval_fops, sniff_min_interval_get, + sniff_min_interval_set, "%llu\n"); + +static int sniff_max_interval_set(void *data, u64 val) +{ + struct hci_dev *hdev = data; + + if (val == 0 || val % 2 || val < hdev->sniff_min_interval) + return -EINVAL; + + hci_dev_lock(hdev); + hdev->sniff_max_interval = val; + hci_dev_unlock(hdev); + + return 0; +} + +static int sniff_max_interval_get(void *data, u64 *val) +{ + struct hci_dev *hdev = data; + + hci_dev_lock(hdev); + *val = hdev->sniff_max_interval; + hci_dev_unlock(hdev); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(sniff_max_interval_fops, sniff_max_interval_get, + sniff_max_interval_set, "%llu\n"); + +static int static_address_show(struct seq_file *f, void *p) +{ + struct hci_dev *hdev = f->private; + + hci_dev_lock(hdev); + seq_printf(f, "%pMR\n", &hdev->static_addr); + hci_dev_unlock(hdev); + + return 0; +} + +static int static_address_open(struct inode *inode, struct file *file) +{ + return single_open(file, static_address_show, inode->i_private); +} + +static const struct file_operations static_address_fops = { + .open = static_address_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int own_address_type_set(void *data, u64 val) +{ + struct hci_dev *hdev = data; + + if (val != 0 && val != 1) + return -EINVAL; + + hci_dev_lock(hdev); + hdev->own_addr_type = val; + hci_dev_unlock(hdev); + + return 0; +} + +static int own_address_type_get(void *data, u64 *val) +{ + struct hci_dev *hdev = data; + + hci_dev_lock(hdev); + *val = hdev->own_addr_type; + hci_dev_unlock(hdev); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(own_address_type_fops, own_address_type_get, + own_address_type_set, "%llu\n"); + +static int long_term_keys_show(struct seq_file *f, void *ptr) +{ + struct hci_dev *hdev = f->private; + struct list_head *p, *n; + + hci_dev_lock(hdev); + list_for_each_safe(p, n, &hdev->link_keys) { + struct smp_ltk *ltk = list_entry(p, struct smp_ltk, list); + seq_printf(f, "%pMR (type %u) %u %u %u %.4x %*phN %*phN\\n", + <k->bdaddr, ltk->bdaddr_type, ltk->authenticated, + ltk->type, ltk->enc_size, __le16_to_cpu(ltk->ediv), + 8, ltk->rand, 16, ltk->val); + } + hci_dev_unlock(hdev); + + return 0; +} + +static int long_term_keys_open(struct inode *inode, struct file *file) +{ + return single_open(file, long_term_keys_show, inode->i_private); +} + +static const struct file_operations long_term_keys_fops = { + .open = long_term_keys_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int conn_min_interval_set(void *data, u64 val) +{ + struct hci_dev *hdev = data; + + if (val < 0x0006 || val > 0x0c80 || val > hdev->le_conn_max_interval) + return -EINVAL; + + hci_dev_lock(hdev); + hdev->le_conn_min_interval = val; + hci_dev_unlock(hdev); + + return 0; +} + +static int conn_min_interval_get(void *data, u64 *val) +{ + struct hci_dev *hdev = data; + + hci_dev_lock(hdev); + *val = hdev->le_conn_min_interval; + hci_dev_unlock(hdev); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(conn_min_interval_fops, conn_min_interval_get, + conn_min_interval_set, "%llu\n"); + +static int conn_max_interval_set(void *data, u64 val) +{ + struct hci_dev *hdev = data; + + if (val < 0x0006 || val > 0x0c80 || val < hdev->le_conn_min_interval) + return -EINVAL; + + hci_dev_lock(hdev); + hdev->le_conn_max_interval = val; + hci_dev_unlock(hdev); + + return 0; +} + +static int conn_max_interval_get(void *data, u64 *val) +{ + struct hci_dev *hdev = data; + + hci_dev_lock(hdev); + *val = hdev->le_conn_max_interval; + hci_dev_unlock(hdev); + + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(conn_max_interval_fops, conn_max_interval_get, + conn_max_interval_set, "%llu\n"); + /* ---- HCI requests ---- */ static void hci_req_sync_complete(struct hci_dev *hdev, u8 result) @@ -307,11 +888,23 @@ static void amp_init(struct hci_request *req) /* Read Local Version */ hci_req_add(req, HCI_OP_READ_LOCAL_VERSION, 0, NULL); + /* Read Local Supported Commands */ + hci_req_add(req, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL); + + /* Read Local Supported Features */ + hci_req_add(req, HCI_OP_READ_LOCAL_FEATURES, 0, NULL); + /* Read Local AMP Info */ hci_req_add(req, HCI_OP_READ_LOCAL_AMP_INFO, 0, NULL); /* Read Data Blk size */ hci_req_add(req, HCI_OP_READ_DATA_BLOCK_SIZE, 0, NULL); + + /* Read Flow Control Mode */ + hci_req_add(req, HCI_OP_READ_FLOW_CONTROL_MODE, 0, NULL); + + /* Read Location Data */ + hci_req_add(req, HCI_OP_READ_LOCATION_DATA, 0, NULL); } static void hci_init1_req(struct hci_request *req, unsigned long opt) @@ -341,6 +934,8 @@ static void hci_init1_req(struct hci_request *req, unsigned long opt) static void bredr_setup(struct hci_request *req) { + struct hci_dev *hdev = req->hdev; + __le16 param; __u8 flt_type; @@ -356,6 +951,12 @@ static void bredr_setup(struct hci_request *req) /* Read Voice Setting */ hci_req_add(req, HCI_OP_READ_VOICE_SETTING, 0, NULL); + /* Read Number of Supported IAC */ + hci_req_add(req, HCI_OP_READ_NUM_SUPPORTED_IAC, 0, NULL); + + /* Read Current IAC LAP */ + hci_req_add(req, HCI_OP_READ_CURRENT_IAC_LAP, 0, NULL); + /* Clear Event Filters */ flt_type = HCI_FLT_CLEAR_ALL; hci_req_add(req, HCI_OP_SET_EVENT_FLT, 1, &flt_type); @@ -364,8 +965,10 @@ static void bredr_setup(struct hci_request *req) param = __constant_cpu_to_le16(0x7d00); hci_req_add(req, HCI_OP_WRITE_CA_TIMEOUT, 2, ¶m); - /* Read page scan parameters */ - if (req->hdev->hci_ver > BLUETOOTH_VER_1_1) { + /* AVM Berlin (31), aka "BlueFRITZ!", reports version 1.2, + * but it does not support page scan related HCI commands. + */ + if (hdev->manufacturer != 31 && 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); } @@ -519,6 +1122,8 @@ static void hci_init2_req(struct hci_request *req, unsigned long opt) if (lmp_bredr_capable(hdev)) bredr_setup(req); + else + clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); if (lmp_le_capable(hdev)) le_setup(req); @@ -532,6 +1137,14 @@ static void hci_init2_req(struct hci_request *req, unsigned long opt) hci_req_add(req, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL); if (lmp_ssp_capable(hdev)) { + /* When SSP is available, then the host features page + * should also be available as well. However some + * controllers list the max_page as 0 as long as SSP + * has not been enabled. To achieve proper debugging + * output, force the minimum max_page to 1 at least. + */ + hdev->max_page = 0x01; + if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { u8 mode = 0x01; hci_req_add(req, HCI_OP_WRITE_SSP_MODE, @@ -607,6 +1220,34 @@ static void hci_set_le_support(struct hci_request *req) &cp); } +static void hci_set_event_mask_page_2(struct hci_request *req) +{ + struct hci_dev *hdev = req->hdev; + u8 events[8] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + + /* If Connectionless Slave Broadcast master role is supported + * enable all necessary events for it. + */ + if (hdev->features[2][0] & 0x01) { + events[1] |= 0x40; /* Triggered Clock Capture */ + events[1] |= 0x80; /* Synchronization Train Complete */ + events[2] |= 0x10; /* Slave Page Response Timeout */ + events[2] |= 0x20; /* CSB Channel Map Change */ + } + + /* If Connectionless Slave Broadcast slave role is supported + * enable all necessary events for it. + */ + if (hdev->features[2][0] & 0x02) { + events[2] |= 0x01; /* Synchronization Train Received */ + events[2] |= 0x02; /* CSB Receive */ + events[2] |= 0x04; /* CSB Timeout */ + events[2] |= 0x08; /* Truncated Page Complete */ + } + + hci_req_add(req, HCI_OP_SET_EVENT_MASK_PAGE_2, sizeof(events), events); +} + static void hci_init3_req(struct hci_request *req, unsigned long opt) { struct hci_dev *hdev = req->hdev; @@ -634,8 +1275,17 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt) hci_setup_link_policy(req); if (lmp_le_capable(hdev)) { + /* If the controller has a public BD_ADDR, then by + * default use that one. If this is a LE only + * controller without one, default to the random + * address. + */ + if (bacmp(&hdev->bdaddr, BDADDR_ANY)) + hdev->own_addr_type = ADDR_LE_DEV_PUBLIC; + else + hdev->own_addr_type = ADDR_LE_DEV_RANDOM; + hci_set_le_support(req); - hci_update_ad(req); } /* Read features beyond page 1 if available */ @@ -648,6 +1298,19 @@ static void hci_init3_req(struct hci_request *req, unsigned long opt) } } +static void hci_init4_req(struct hci_request *req, unsigned long opt) +{ + struct hci_dev *hdev = req->hdev; + + /* Set event mask page 2 if the HCI command for it is supported */ + if (hdev->commands[22] & 0x04) + hci_set_event_mask_page_2(req); + + /* Check for Synchronization Train support */ + if (hdev->features[2][0] & 0x04) + hci_req_add(req, HCI_OP_READ_SYNC_TRAIN_PARAMS, 0, NULL); +} + static int __hci_init(struct hci_dev *hdev) { int err; @@ -656,6 +1319,14 @@ static int __hci_init(struct hci_dev *hdev) if (err < 0) return err; + /* The Device Under Test (DUT) mode is special and available for + * all controller types. So just create it early on. + */ + if (test_bit(HCI_SETUP, &hdev->dev_flags)) { + debugfs_create_file("dut_mode", 0644, hdev->debugfs, hdev, + &dut_mode_fops); + } + /* HCI_BREDR covers both single-mode LE, BR/EDR and dual-mode * BR/EDR/LE type controllers. AMP controllers only need the * first stage init. @@ -667,7 +1338,75 @@ static int __hci_init(struct hci_dev *hdev) if (err < 0) return err; - return __hci_req_sync(hdev, hci_init3_req, 0, HCI_INIT_TIMEOUT); + err = __hci_req_sync(hdev, hci_init3_req, 0, HCI_INIT_TIMEOUT); + if (err < 0) + return err; + + err = __hci_req_sync(hdev, hci_init4_req, 0, HCI_INIT_TIMEOUT); + if (err < 0) + return err; + + /* Only create debugfs entries during the initial setup + * phase and not every time the controller gets powered on. + */ + if (!test_bit(HCI_SETUP, &hdev->dev_flags)) + return 0; + + debugfs_create_file("features", 0444, hdev->debugfs, hdev, + &features_fops); + debugfs_create_u16("manufacturer", 0444, hdev->debugfs, + &hdev->manufacturer); + debugfs_create_u8("hci_version", 0444, hdev->debugfs, &hdev->hci_ver); + debugfs_create_u16("hci_revision", 0444, hdev->debugfs, &hdev->hci_rev); + debugfs_create_file("blacklist", 0444, hdev->debugfs, hdev, + &blacklist_fops); + debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops); + + if (lmp_bredr_capable(hdev)) { + debugfs_create_file("inquiry_cache", 0444, hdev->debugfs, + hdev, &inquiry_cache_fops); + debugfs_create_file("link_keys", 0400, hdev->debugfs, + hdev, &link_keys_fops); + debugfs_create_file("use_debug_keys", 0444, hdev->debugfs, + hdev, &use_debug_keys_fops); + debugfs_create_file("dev_class", 0444, hdev->debugfs, + hdev, &dev_class_fops); + debugfs_create_file("voice_setting", 0444, hdev->debugfs, + hdev, &voice_setting_fops); + } + + if (lmp_ssp_capable(hdev)) { + debugfs_create_file("auto_accept_delay", 0644, hdev->debugfs, + hdev, &auto_accept_delay_fops); + debugfs_create_file("ssp_debug_mode", 0644, hdev->debugfs, + hdev, &ssp_debug_mode_fops); + } + + if (lmp_sniff_capable(hdev)) { + debugfs_create_file("idle_timeout", 0644, hdev->debugfs, + hdev, &idle_timeout_fops); + debugfs_create_file("sniff_min_interval", 0644, hdev->debugfs, + hdev, &sniff_min_interval_fops); + debugfs_create_file("sniff_max_interval", 0644, hdev->debugfs, + hdev, &sniff_max_interval_fops); + } + + if (lmp_le_capable(hdev)) { + debugfs_create_u8("white_list_size", 0444, hdev->debugfs, + &hdev->le_white_list_size); + debugfs_create_file("static_address", 0444, hdev->debugfs, + hdev, &static_address_fops); + debugfs_create_file("own_address_type", 0644, hdev->debugfs, + hdev, &own_address_type_fops); + debugfs_create_file("long_term_keys", 0400, hdev->debugfs, + hdev, &long_term_keys_fops); + debugfs_create_file("conn_min_interval", 0644, hdev->debugfs, + hdev, &conn_min_interval_fops); + debugfs_create_file("conn_max_interval", 0644, hdev->debugfs, + hdev, &conn_max_interval_fops); + } + + return 0; } static void hci_scan_req(struct hci_request *req, unsigned long opt) @@ -984,6 +1723,21 @@ int hci_inquiry(void __user *arg) if (!hdev) return -ENODEV; + if (test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) { + err = -EBUSY; + goto done; + } + + if (hdev->dev_type != HCI_BREDR) { + err = -EOPNOTSUPP; + goto done; + } + + if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { + err = -EOPNOTSUPP; + goto done; + } + hci_dev_lock(hdev); if (inquiry_cache_age(hdev) > INQUIRY_CACHE_AGE_MAX || inquiry_cache_empty(hdev) || ir.flags & IREQ_CACHE_FLUSH) { @@ -1043,100 +1797,10 @@ done: return err; } -static u8 create_ad(struct hci_dev *hdev, u8 *ptr) -{ - u8 ad_len = 0, flags = 0; - size_t name_len; - - if (test_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags)) - flags |= LE_AD_GENERAL; - - if (!lmp_bredr_capable(hdev)) - flags |= LE_AD_NO_BREDR; - - if (lmp_le_br_capable(hdev)) - flags |= LE_AD_SIM_LE_BREDR_CTRL; - - if (lmp_host_le_br_capable(hdev)) - flags |= LE_AD_SIM_LE_BREDR_HOST; - - if (flags) { - BT_DBG("adv flags 0x%02x", flags); - - ptr[0] = 2; - ptr[1] = EIR_FLAGS; - ptr[2] = flags; - - ad_len += 3; - ptr += 3; - } - - if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) { - ptr[0] = 2; - ptr[1] = EIR_TX_POWER; - ptr[2] = (u8) hdev->adv_tx_power; - - ad_len += 3; - ptr += 3; - } - - name_len = strlen(hdev->dev_name); - if (name_len > 0) { - size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2; - - if (name_len > max_len) { - name_len = max_len; - ptr[1] = EIR_NAME_SHORT; - } else - ptr[1] = EIR_NAME_COMPLETE; - - ptr[0] = name_len + 1; - - memcpy(ptr + 2, hdev->dev_name, name_len); - - ad_len += (name_len + 2); - ptr += (name_len + 2); - } - - return ad_len; -} - -void hci_update_ad(struct hci_request *req) +static int hci_dev_do_open(struct hci_dev *hdev) { - struct hci_dev *hdev = req->hdev; - struct hci_cp_le_set_adv_data cp; - u8 len; - - if (!lmp_le_capable(hdev)) - return; - - memset(&cp, 0, sizeof(cp)); - - len = create_ad(hdev, cp.data); - - if (hdev->adv_data_len == len && - memcmp(cp.data, hdev->adv_data, len) == 0) - return; - - memcpy(hdev->adv_data, cp.data, sizeof(cp.data)); - hdev->adv_data_len = len; - - cp.length = len; - - hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp); -} - -/* ---- HCI ioctl helpers ---- */ - -int hci_dev_open(__u16 dev) -{ - struct hci_dev *hdev; int ret = 0; - hdev = hci_dev_get(dev); - if (!hdev) - return -ENODEV; - BT_DBG("%s %p", hdev->name, hdev); hci_req_lock(hdev); @@ -1146,9 +1810,29 @@ int hci_dev_open(__u16 dev) goto done; } - if (hdev->rfkill && rfkill_blocked(hdev->rfkill)) { - ret = -ERFKILL; - goto done; + if (!test_bit(HCI_SETUP, &hdev->dev_flags)) { + /* Check for rfkill but allow the HCI setup stage to + * proceed (which in itself doesn't cause any RF activity). + */ + if (test_bit(HCI_RFKILLED, &hdev->dev_flags)) { + ret = -ERFKILL; + goto done; + } + + /* Check for valid public address or a configured static + * random adddress, but let the HCI setup proceed to + * be able to determine if there is a public address + * or not. + * + * This check is only valid for BR/EDR controllers + * since AMP controllers do not have an address. + */ + if (hdev->dev_type == HCI_BREDR && + !bacmp(&hdev->bdaddr, BDADDR_ANY) && + !bacmp(&hdev->static_addr, BDADDR_ANY)) { + ret = -EADDRNOTAVAIL; + goto done; + } } if (test_bit(HCI_UP, &hdev->flags)) { @@ -1168,16 +1852,11 @@ int hci_dev_open(__u16 dev) ret = hdev->setup(hdev); if (!ret) { - /* Treat all non BR/EDR controllers as raw devices if - * enable_hs is not set. - */ - if (hdev->dev_type != HCI_BREDR && !enable_hs) - set_bit(HCI_RAW, &hdev->flags); - if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks)) set_bit(HCI_RAW, &hdev->flags); - if (!test_bit(HCI_RAW, &hdev->flags)) + if (!test_bit(HCI_RAW, &hdev->flags) && + !test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) ret = __hci_init(hdev); } @@ -1188,7 +1867,8 @@ int hci_dev_open(__u16 dev) set_bit(HCI_UP, &hdev->flags); hci_notify(hdev, HCI_DEV_UP); if (!test_bit(HCI_SETUP, &hdev->dev_flags) && - mgmt_valid_hdev(hdev)) { + !test_bit(HCI_USER_CHANNEL, &hdev->dev_flags) && + hdev->dev_type == HCI_BREDR) { hci_dev_lock(hdev); mgmt_powered(hdev, 1); hci_dev_unlock(hdev); @@ -1216,10 +1896,41 @@ int hci_dev_open(__u16 dev) done: hci_req_unlock(hdev); - hci_dev_put(hdev); return ret; } +/* ---- HCI ioctl helpers ---- */ + +int hci_dev_open(__u16 dev) +{ + struct hci_dev *hdev; + int err; + + hdev = hci_dev_get(dev); + if (!hdev) + return -ENODEV; + + /* We need to ensure that no other power on/off work is pending + * before proceeding to call hci_dev_do_open. This is + * particularly important if the setup procedure has not yet + * completed. + */ + if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) + cancel_delayed_work(&hdev->power_off); + + /* After this call it is guaranteed that the setup procedure + * has finished. This means that error conditions like RFKILL + * or no valid public or static random address apply. + */ + flush_workqueue(hdev->req_workqueue); + + err = hci_dev_do_open(hdev); + + hci_dev_put(hdev); + + return err; +} + static int hci_dev_do_close(struct hci_dev *hdev) { BT_DBG("%s %p", hdev->name, hdev); @@ -1243,6 +1954,7 @@ static int hci_dev_do_close(struct hci_dev *hdev) cancel_delayed_work(&hdev->discov_off); hdev->discov_timeout = 0; clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); + clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); } if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) @@ -1264,6 +1976,7 @@ static int hci_dev_do_close(struct hci_dev *hdev) skb_queue_purge(&hdev->cmd_q); atomic_set(&hdev->cmd_cnt, 1); if (!test_bit(HCI_RAW, &hdev->flags) && + !test_bit(HCI_AUTO_OFF, &hdev->dev_flags) && test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) { set_bit(HCI_INIT, &hdev->flags); __hci_req_sync(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT); @@ -1296,15 +2009,16 @@ static int hci_dev_do_close(struct hci_dev *hdev) 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); - mgmt_powered(hdev, 0); - hci_dev_unlock(hdev); + if (!test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) { + if (hdev->dev_type == HCI_BREDR) { + hci_dev_lock(hdev); + mgmt_powered(hdev, 0); + hci_dev_unlock(hdev); + } } /* Controller radio is available but is currently powered down */ - hdev->amp_status = 0; + hdev->amp_status = AMP_STATUS_POWERED_DOWN; memset(hdev->eir, 0, sizeof(hdev->eir)); memset(hdev->dev_class, 0, sizeof(hdev->dev_class)); @@ -1324,11 +2038,17 @@ int hci_dev_close(__u16 dev) if (!hdev) return -ENODEV; + if (test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) { + err = -EBUSY; + goto done; + } + if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) cancel_delayed_work(&hdev->power_off); err = hci_dev_do_close(hdev); +done: hci_dev_put(hdev); return err; } @@ -1344,8 +2064,15 @@ int hci_dev_reset(__u16 dev) hci_req_lock(hdev); - if (!test_bit(HCI_UP, &hdev->flags)) + if (!test_bit(HCI_UP, &hdev->flags)) { + ret = -ENETDOWN; goto done; + } + + if (test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) { + ret = -EBUSY; + goto done; + } /* Drop queues */ skb_queue_purge(&hdev->rx_q); @@ -1380,10 +2107,15 @@ int hci_dev_reset_stat(__u16 dev) if (!hdev) return -ENODEV; + if (test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) { + ret = -EBUSY; + goto done; + } + memset(&hdev->stat, 0, sizeof(struct hci_dev_stats)); +done: hci_dev_put(hdev); - return ret; } @@ -1400,6 +2132,21 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) if (!hdev) return -ENODEV; + if (test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) { + err = -EBUSY; + goto done; + } + + if (hdev->dev_type != HCI_BREDR) { + err = -EOPNOTSUPP; + goto done; + } + + if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { + err = -EOPNOTSUPP; + goto done; + } + switch (cmd) { case HCISETAUTH: err = hci_req_sync(hdev, hci_auth_req, dr.dev_opt, @@ -1458,6 +2205,7 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) break; } +done: hci_dev_put(hdev); return err; } @@ -1530,7 +2278,7 @@ int hci_get_dev_info(void __user *arg) strcpy(di.name, hdev->name); di.bdaddr = hdev->bdaddr; - di.type = (hdev->bus & 0x0f) | (hdev->dev_type << 4); + di.type = (hdev->bus & 0x0f) | ((hdev->dev_type & 0x03) << 4); di.flags = hdev->flags; di.pkt_type = hdev->pkt_type; if (lmp_bredr_capable(hdev)) { @@ -1566,10 +2314,16 @@ static int hci_rfkill_set_block(void *data, bool blocked) BT_DBG("%p name %s blocked %d", hdev, hdev->name, blocked); - if (!blocked) - return 0; + if (test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) + return -EBUSY; - hci_dev_do_close(hdev); + if (blocked) { + set_bit(HCI_RFKILLED, &hdev->dev_flags); + if (!test_bit(HCI_SETUP, &hdev->dev_flags)) + hci_dev_do_close(hdev); + } else { + clear_bit(HCI_RFKILLED, &hdev->dev_flags); + } return 0; } @@ -1585,15 +2339,26 @@ static void hci_power_on(struct work_struct *work) BT_DBG("%s", hdev->name); - err = hci_dev_open(hdev->id); + err = hci_dev_do_open(hdev); if (err < 0) { mgmt_set_powered_failed(hdev, err); return; } - if (test_bit(HCI_AUTO_OFF, &hdev->dev_flags)) + /* During the HCI setup phase, a few error conditions are + * ignored and they need to be checked now. If they are still + * valid, it is important to turn the device back off. + */ + if (test_bit(HCI_RFKILLED, &hdev->dev_flags) || + (hdev->dev_type == HCI_BREDR && + !bacmp(&hdev->bdaddr, BDADDR_ANY) && + !bacmp(&hdev->static_addr, BDADDR_ANY))) { + clear_bit(HCI_AUTO_OFF, &hdev->dev_flags); + hci_dev_do_close(hdev); + } else if (test_bit(HCI_AUTO_OFF, &hdev->dev_flags)) { queue_delayed_work(hdev->req_workqueue, &hdev->power_off, HCI_AUTO_OFF_TIMEOUT); + } if (test_and_clear_bit(HCI_SETUP, &hdev->dev_flags)) mgmt_index_added(hdev); @@ -1612,19 +2377,12 @@ static void hci_power_off(struct work_struct *work) static void hci_discov_off(struct work_struct *work) { struct hci_dev *hdev; - u8 scan = SCAN_PAGE; hdev = container_of(work, struct hci_dev, discov_off.work); BT_DBG("%s", hdev->name); - hci_dev_lock(hdev); - - hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan); - - hdev->discov_timeout = 0; - - hci_dev_unlock(hdev); + mgmt_discoverable_timeout(hdev); } int hci_uuids_clear(struct hci_dev *hdev) @@ -1947,13 +2705,15 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, return 0; } -struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, bdaddr_t *bdaddr) +struct bdaddr_list *hci_blacklist_lookup(struct hci_dev *hdev, + bdaddr_t *bdaddr, u8 type) { struct bdaddr_list *b; - list_for_each_entry(b, &hdev->blacklist, list) - if (bacmp(bdaddr, &b->bdaddr) == 0) + list_for_each_entry(b, &hdev->blacklist, list) { + if (!bacmp(&b->bdaddr, bdaddr) && b->bdaddr_type == type) return b; + } return NULL; } @@ -1963,9 +2723,7 @@ int hci_blacklist_clear(struct hci_dev *hdev) struct list_head *p, *n; list_for_each_safe(p, n, &hdev->blacklist) { - struct bdaddr_list *b; - - b = list_entry(p, struct bdaddr_list, list); + struct bdaddr_list *b = list_entry(p, struct bdaddr_list, list); list_del(p); kfree(b); @@ -1978,10 +2736,10 @@ int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) { struct bdaddr_list *entry; - if (bacmp(bdaddr, BDADDR_ANY) == 0) + if (!bacmp(bdaddr, BDADDR_ANY)) return -EBADF; - if (hci_blacklist_lookup(hdev, bdaddr)) + if (hci_blacklist_lookup(hdev, bdaddr, type)) return -EEXIST; entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL); @@ -1989,6 +2747,7 @@ int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) return -ENOMEM; bacpy(&entry->bdaddr, bdaddr); + entry->bdaddr_type = type; list_add(&entry->list, &hdev->blacklist); @@ -1999,10 +2758,10 @@ int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) { struct bdaddr_list *entry; - if (bacmp(bdaddr, BDADDR_ANY) == 0) + if (!bacmp(bdaddr, BDADDR_ANY)) return hci_blacklist_clear(hdev); - entry = hci_blacklist_lookup(hdev, bdaddr); + entry = hci_blacklist_lookup(hdev, bdaddr, type); if (!entry) return -ENOENT; @@ -2100,13 +2859,19 @@ struct hci_dev *hci_alloc_dev(void) hdev->pkt_type = (HCI_DM1 | HCI_DH1 | HCI_HV1); hdev->esco_type = (ESCO_HV1); hdev->link_mode = (HCI_LM_ACCEPT); - hdev->io_capability = 0x03; /* No Input No Output */ + hdev->num_iac = 0x01; /* One IAC support is mandatory */ + hdev->io_capability = 0x03; /* No Input No Output */ hdev->inq_tx_power = HCI_TX_POWER_INVALID; hdev->adv_tx_power = HCI_TX_POWER_INVALID; hdev->sniff_max_interval = 800; hdev->sniff_min_interval = 80; + hdev->le_scan_interval = 0x0060; + hdev->le_scan_window = 0x0030; + hdev->le_conn_min_interval = 0x0028; + hdev->le_conn_max_interval = 0x0038; + mutex_init(&hdev->lock); mutex_init(&hdev->req_lock); @@ -2195,7 +2960,12 @@ int hci_register_dev(struct hci_dev *hdev) goto err; } - error = hci_add_sysfs(hdev); + if (!IS_ERR_OR_NULL(bt_debugfs)) + hdev->debugfs = debugfs_create_dir(hdev->name, bt_debugfs); + + dev_set_name(&hdev->dev, "%s", hdev->name); + + error = device_add(&hdev->dev); if (error < 0) goto err_wqueue; @@ -2209,10 +2979,18 @@ int hci_register_dev(struct hci_dev *hdev) } } + if (hdev->rfkill && rfkill_blocked(hdev->rfkill)) + set_bit(HCI_RFKILLED, &hdev->dev_flags); + set_bit(HCI_SETUP, &hdev->dev_flags); + set_bit(HCI_AUTO_OFF, &hdev->dev_flags); - if (hdev->dev_type != HCI_AMP) - set_bit(HCI_AUTO_OFF, &hdev->dev_flags); + if (hdev->dev_type == HCI_BREDR) { + /* Assume BR/EDR support until proven otherwise (such as + * through reading supported features during init. + */ + set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); + } write_lock(&hci_dev_list_lock); list_add(&hdev->list, &hci_dev_list); @@ -2275,7 +3053,9 @@ void hci_unregister_dev(struct hci_dev *hdev) rfkill_destroy(hdev->rfkill); } - hci_del_sysfs(hdev); + device_del(&hdev->dev); + + debugfs_remove_recursive(hdev->debugfs); destroy_workqueue(hdev->workqueue); destroy_workqueue(hdev->req_workqueue); @@ -2311,9 +3091,8 @@ int hci_resume_dev(struct hci_dev *hdev) EXPORT_SYMBOL(hci_resume_dev); /* Receive frame from HCI drivers */ -int hci_recv_frame(struct sk_buff *skb) +int hci_recv_frame(struct hci_dev *hdev, 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); @@ -2372,7 +3151,6 @@ static int hci_reassembly(struct hci_dev *hdev, int type, void *data, scb->expect = hlen; scb->pkt_type = type; - skb->dev = (void *) hdev; hdev->reassembly[index] = skb; } @@ -2432,7 +3210,7 @@ static int hci_reassembly(struct hci_dev *hdev, int type, void *data, /* Complete frame */ bt_cb(skb)->pkt_type = type; - hci_recv_frame(skb); + hci_recv_frame(hdev, skb); hdev->reassembly[index] = NULL; return remain; @@ -2523,15 +3301,8 @@ int hci_unregister_cb(struct hci_cb *cb) } EXPORT_SYMBOL(hci_unregister_cb); -static int hci_send_frame(struct sk_buff *skb) +static void hci_send_frame(struct hci_dev *hdev, struct sk_buff *skb) { - struct hci_dev *hdev = (struct hci_dev *) skb->dev; - - if (!hdev) { - kfree_skb(skb); - return -ENODEV; - } - BT_DBG("%s type %d len %d", hdev->name, bt_cb(skb)->pkt_type, skb->len); /* Time stamp */ @@ -2548,7 +3319,8 @@ static int hci_send_frame(struct sk_buff *skb) /* Get rid of skb owner, prior to sending to the driver. */ skb_orphan(skb); - return hdev->send(skb); + if (hdev->send(hdev, skb) < 0) + BT_ERR("%s sending frame failed", hdev->name); } void hci_req_init(struct hci_request *req, struct hci_dev *hdev) @@ -2611,7 +3383,6 @@ static struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode, BT_DBG("skb len %d", skb->len); bt_cb(skb)->pkt_type = HCI_COMMAND_PKT; - skb->dev = (void *) hdev; return skb; } @@ -2755,7 +3526,6 @@ static void hci_queue_acl(struct hci_chan *chan, struct sk_buff_head *queue, do { skb = list; list = list->next; - skb->dev = (void *) hdev; bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; hci_add_acl_hdr(skb, conn->handle, flags); @@ -2774,8 +3544,6 @@ void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags) BT_DBG("%s chan %p flags 0x%4.4x", hdev->name, chan, flags); - skb->dev = (void *) hdev; - hci_queue_acl(chan, &chan->data_q, skb, flags); queue_work(hdev->workqueue, &hdev->tx_work); @@ -2796,7 +3564,6 @@ void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb) skb_reset_transport_header(skb); memcpy(skb_transport_header(skb), &hdr, HCI_SCO_HDR_SIZE); - skb->dev = (void *) hdev; bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; skb_queue_tail(&conn->data_q, skb); @@ -3061,7 +3828,7 @@ static void hci_sched_acl_pkt(struct hci_dev *hdev) hci_conn_enter_active_mode(chan->conn, bt_cb(skb)->force_active); - hci_send_frame(skb); + hci_send_frame(hdev, skb); hdev->acl_last_tx = jiffies; hdev->acl_cnt--; @@ -3113,7 +3880,7 @@ static void hci_sched_acl_blk(struct hci_dev *hdev) hci_conn_enter_active_mode(chan->conn, bt_cb(skb)->force_active); - hci_send_frame(skb); + hci_send_frame(hdev, skb); hdev->acl_last_tx = jiffies; hdev->block_cnt -= blocks; @@ -3166,7 +3933,7 @@ static void hci_sched_sco(struct hci_dev *hdev) 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); + hci_send_frame(hdev, skb); conn->sent++; if (conn->sent == ~0) @@ -3190,7 +3957,7 @@ static void hci_sched_esco(struct hci_dev *hdev) "e))) { while (quote-- && (skb = skb_dequeue(&conn->data_q))) { BT_DBG("skb %p len %d", skb, skb->len); - hci_send_frame(skb); + hci_send_frame(hdev, skb); conn->sent++; if (conn->sent == ~0) @@ -3232,7 +3999,7 @@ static void hci_sched_le(struct hci_dev *hdev) skb = skb_dequeue(&chan->data_q); - hci_send_frame(skb); + hci_send_frame(hdev, skb); hdev->le_last_tx = jiffies; cnt--; @@ -3258,19 +4025,17 @@ static void hci_tx_work(struct work_struct *work) BT_DBG("%s acl %d sco %d le %d", hdev->name, hdev->acl_cnt, hdev->sco_cnt, hdev->le_cnt); - /* Schedule queues and send stuff to HCI driver */ - - hci_sched_acl(hdev); - - hci_sched_sco(hdev); - - hci_sched_esco(hdev); - - hci_sched_le(hdev); + if (!test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) { + /* Schedule queues and send stuff to HCI driver */ + hci_sched_acl(hdev); + hci_sched_sco(hdev); + hci_sched_esco(hdev); + hci_sched_le(hdev); + } /* Send next queued raw (unknown type) packet */ while ((skb = skb_dequeue(&hdev->raw_q))) - hci_send_frame(skb); + hci_send_frame(hdev, skb); } /* ----- HCI RX task (incoming data processing) ----- */ @@ -3457,7 +4222,8 @@ static void hci_rx_work(struct work_struct *work) hci_send_to_sock(hdev, skb); } - if (test_bit(HCI_RAW, &hdev->flags)) { + if (test_bit(HCI_RAW, &hdev->flags) || + test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) { kfree_skb(skb); continue; } @@ -3512,10 +4278,10 @@ static void hci_cmd_work(struct work_struct *work) kfree_skb(hdev->sent_cmd); - hdev->sent_cmd = skb_clone(skb, GFP_ATOMIC); + hdev->sent_cmd = skb_clone(skb, GFP_KERNEL); if (hdev->sent_cmd) { atomic_dec(&hdev->cmd_cnt); - hci_send_frame(skb); + hci_send_frame(hdev, skb); if (test_bit(HCI_RESET, &hdev->flags)) del_timer(&hdev->cmd_timer); else @@ -3527,15 +4293,3 @@ static void hci_cmd_work(struct work_struct *work) } } } - -u8 bdaddr_to_le(u8 bdaddr_type) -{ - switch (bdaddr_type) { - case BDADDR_LE_PUBLIC: - return ADDR_LE_DEV_PUBLIC; - - default: - /* Fallback to LE Random address type */ - return ADDR_LE_DEV_RANDOM; - } -} |