diff options
Diffstat (limited to 'net/bluetooth/mgmt.c')
-rw-r--r-- | net/bluetooth/mgmt.c | 1609 |
1 files changed, 1223 insertions, 386 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index fedc5399d465..074d83690a41 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -30,12 +30,11 @@ #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> #include <net/bluetooth/mgmt.h> -#include <net/bluetooth/smp.h> -bool enable_hs; +#include "smp.h" #define MGMT_VERSION 1 -#define MGMT_REVISION 3 +#define MGMT_REVISION 4 static const u16 mgmt_commands[] = { MGMT_OP_READ_INDEX_LIST, @@ -76,6 +75,10 @@ static const u16 mgmt_commands[] = { MGMT_OP_BLOCK_DEVICE, MGMT_OP_UNBLOCK_DEVICE, MGMT_OP_SET_DEVICE_ID, + MGMT_OP_SET_ADVERTISING, + MGMT_OP_SET_BREDR, + MGMT_OP_SET_STATIC_ADDRESS, + MGMT_OP_SET_SCAN_PARAMS, }; static const u16 mgmt_events[] = { @@ -181,11 +184,6 @@ static u8 mgmt_status_table[] = { MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */ }; -bool mgmt_valid_hdev(struct hci_dev *hdev) -{ - return hdev->dev_type == HCI_BREDR; -} - static u8 mgmt_status(u8 hci_status) { if (hci_status < ARRAY_SIZE(mgmt_status_table)) @@ -321,10 +319,8 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, count = 0; list_for_each_entry(d, &hci_dev_list, list) { - if (!mgmt_valid_hdev(d)) - continue; - - count++; + if (d->dev_type == HCI_BREDR) + count++; } rp_len = sizeof(*rp) + (2 * count); @@ -339,11 +335,13 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, if (test_bit(HCI_SETUP, &d->dev_flags)) continue; - if (!mgmt_valid_hdev(d)) + if (test_bit(HCI_USER_CHANNEL, &d->dev_flags)) continue; - rp->index[count++] = cpu_to_le16(d->id); - BT_DBG("Added hci%u", d->id); + if (d->dev_type == HCI_BREDR) { + rp->index[count++] = cpu_to_le16(d->id); + BT_DBG("Added hci%u", d->id); + } } rp->num_controllers = cpu_to_le16(count); @@ -366,9 +364,6 @@ static u32 get_supported_settings(struct hci_dev *hdev) settings |= MGMT_SETTING_POWERED; settings |= MGMT_SETTING_PAIRABLE; - if (lmp_ssp_capable(hdev)) - settings |= MGMT_SETTING_SSP; - if (lmp_bredr_capable(hdev)) { settings |= MGMT_SETTING_CONNECTABLE; if (hdev->hci_ver >= BLUETOOTH_VER_1_2) @@ -376,13 +371,17 @@ static u32 get_supported_settings(struct hci_dev *hdev) settings |= MGMT_SETTING_DISCOVERABLE; settings |= MGMT_SETTING_BREDR; settings |= MGMT_SETTING_LINK_SECURITY; - } - if (enable_hs) - settings |= MGMT_SETTING_HS; + if (lmp_ssp_capable(hdev)) { + settings |= MGMT_SETTING_SSP; + settings |= MGMT_SETTING_HS; + } + } - if (lmp_le_capable(hdev)) + if (lmp_le_capable(hdev)) { settings |= MGMT_SETTING_LE; + settings |= MGMT_SETTING_ADVERTISING; + } return settings; } @@ -406,7 +405,7 @@ static u32 get_current_settings(struct hci_dev *hdev) if (test_bit(HCI_PAIRABLE, &hdev->dev_flags)) settings |= MGMT_SETTING_PAIRABLE; - if (lmp_bredr_capable(hdev)) + if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) settings |= MGMT_SETTING_BREDR; if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) @@ -421,6 +420,9 @@ static u32 get_current_settings(struct hci_dev *hdev) if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags)) settings |= MGMT_SETTING_HS; + if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) + settings |= MGMT_SETTING_ADVERTISING; + return settings; } @@ -534,6 +536,156 @@ static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) return ptr; } +static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev) +{ + struct pending_cmd *cmd; + + list_for_each_entry(cmd, &hdev->mgmt_pending, list) { + if (cmd->opcode == opcode) + return cmd; + } + + return NULL; +} + +static u8 create_scan_rsp_data(struct hci_dev *hdev, u8 *ptr) +{ + u8 ad_len = 0; + size_t name_len; + + 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; +} + +static void update_scan_rsp_data(struct hci_request *req) +{ + struct hci_dev *hdev = req->hdev; + struct hci_cp_le_set_scan_rsp_data cp; + u8 len; + + if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) + return; + + memset(&cp, 0, sizeof(cp)); + + len = create_scan_rsp_data(hdev, cp.data); + + if (hdev->scan_rsp_data_len == len && + memcmp(cp.data, hdev->scan_rsp_data, len) == 0) + return; + + memcpy(hdev->scan_rsp_data, cp.data, sizeof(cp.data)); + hdev->scan_rsp_data_len = len; + + cp.length = len; + + hci_req_add(req, HCI_OP_LE_SET_SCAN_RSP_DATA, sizeof(cp), &cp); +} + +static u8 get_adv_discov_flags(struct hci_dev *hdev) +{ + struct pending_cmd *cmd; + + /* If there's a pending mgmt command the flags will not yet have + * their final values, so check for this first. + */ + cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); + if (cmd) { + struct mgmt_mode *cp = cmd->param; + if (cp->val == 0x01) + return LE_AD_GENERAL; + else if (cp->val == 0x02) + return LE_AD_LIMITED; + } else { + if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags)) + return LE_AD_LIMITED; + else if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) + return LE_AD_GENERAL; + } + + return 0; +} + +static u8 create_adv_data(struct hci_dev *hdev, u8 *ptr) +{ + u8 ad_len = 0, flags = 0; + + flags |= get_adv_discov_flags(hdev); + + if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { + 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; + } else { + flags |= LE_AD_NO_BREDR; + } + + 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; + } + + return ad_len; +} + +static void update_adv_data(struct hci_request *req) +{ + struct hci_dev *hdev = req->hdev; + struct hci_cp_le_set_adv_data cp; + u8 len; + + if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) + return; + + memset(&cp, 0, sizeof(cp)); + + len = create_adv_data(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); +} + static void create_eir(struct hci_dev *hdev, u8 *data) { u8 *ptr = data; @@ -632,6 +784,9 @@ static void update_class(struct hci_request *req) if (!hdev_is_powered(hdev)) return; + if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) + return; + if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) return; @@ -639,6 +794,9 @@ static void update_class(struct hci_request *req) cod[1] = hdev->major_class; cod[2] = get_service_classes(hdev); + if (test_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags)) + cod[1] |= 0x20; + if (memcmp(cod, hdev->dev_class, 3) == 0) return; @@ -763,18 +921,6 @@ static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev, } } -static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev) -{ - struct pending_cmd *cmd; - - list_for_each_entry(cmd, &hdev->mgmt_pending, list) { - if (cmd->opcode == opcode) - return cmd; - } - - return NULL; -} - static void mgmt_pending_remove(struct pending_cmd *cmd) { list_del(&cmd->list); @@ -804,6 +950,12 @@ static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data, hci_dev_lock(hdev); + if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) { + err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, + MGMT_STATUS_BUSY); + goto failed; + } + if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) { cancel_delayed_work(&hdev->power_off); @@ -820,12 +972,6 @@ static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data, goto failed; } - if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) { - err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, - MGMT_STATUS_BUSY); - goto failed; - } - cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len); if (!cmd) { err = -ENOMEM; @@ -883,27 +1029,141 @@ static int new_settings(struct hci_dev *hdev, struct sock *skip) return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip); } +struct cmd_lookup { + struct sock *sk; + struct hci_dev *hdev; + u8 mgmt_status; +}; + +static void settings_rsp(struct pending_cmd *cmd, void *data) +{ + struct cmd_lookup *match = data; + + send_settings_rsp(cmd->sk, cmd->opcode, match->hdev); + + list_del(&cmd->list); + + if (match->sk == NULL) { + match->sk = cmd->sk; + sock_hold(match->sk); + } + + mgmt_pending_free(cmd); +} + +static void cmd_status_rsp(struct pending_cmd *cmd, void *data) +{ + u8 *status = data; + + cmd_status(cmd->sk, cmd->index, cmd->opcode, *status); + mgmt_pending_remove(cmd); +} + +static u8 mgmt_bredr_support(struct hci_dev *hdev) +{ + if (!lmp_bredr_capable(hdev)) + return MGMT_STATUS_NOT_SUPPORTED; + else if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) + return MGMT_STATUS_REJECTED; + else + return MGMT_STATUS_SUCCESS; +} + +static u8 mgmt_le_support(struct hci_dev *hdev) +{ + if (!lmp_le_capable(hdev)) + return MGMT_STATUS_NOT_SUPPORTED; + else if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) + return MGMT_STATUS_REJECTED; + else + return MGMT_STATUS_SUCCESS; +} + +static void set_discoverable_complete(struct hci_dev *hdev, u8 status) +{ + struct pending_cmd *cmd; + struct mgmt_mode *cp; + struct hci_request req; + bool changed; + + BT_DBG("status 0x%02x", status); + + hci_dev_lock(hdev); + + cmd = mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev); + if (!cmd) + goto unlock; + + if (status) { + u8 mgmt_err = mgmt_status(status); + cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); + clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); + goto remove_cmd; + } + + cp = cmd->param; + if (cp->val) { + changed = !test_and_set_bit(HCI_DISCOVERABLE, + &hdev->dev_flags); + + if (hdev->discov_timeout > 0) { + int to = msecs_to_jiffies(hdev->discov_timeout * 1000); + queue_delayed_work(hdev->workqueue, &hdev->discov_off, + to); + } + } else { + changed = test_and_clear_bit(HCI_DISCOVERABLE, + &hdev->dev_flags); + } + + send_settings_rsp(cmd->sk, MGMT_OP_SET_DISCOVERABLE, hdev); + + if (changed) + new_settings(hdev, cmd->sk); + + /* When the discoverable mode gets changed, make sure + * that class of device has the limited discoverable + * bit correctly set. + */ + hci_req_init(&req, hdev); + update_class(&req); + hci_req_run(&req, NULL); + +remove_cmd: + mgmt_pending_remove(cmd); + +unlock: + hci_dev_unlock(hdev); +} + static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { struct mgmt_cp_set_discoverable *cp = data; struct pending_cmd *cmd; + struct hci_request req; u16 timeout; u8 scan; int err; BT_DBG("request for %s", hdev->name); - if (!lmp_bredr_capable(hdev)) + if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) && + !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, - MGMT_STATUS_NOT_SUPPORTED); + MGMT_STATUS_REJECTED); - if (cp->val != 0x00 && cp->val != 0x01) + if (cp->val != 0x00 && cp->val != 0x01 && cp->val != 0x02) return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, MGMT_STATUS_INVALID_PARAMS); timeout = __le16_to_cpu(cp->timeout); - if (!cp->val && timeout > 0) + + /* Disabling discoverable requires that no timeout is set, + * and enabling limited discoverable requires a timeout. + */ + if ((cp->val == 0x00 && timeout > 0) || + (cp->val == 0x02 && timeout == 0)) return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, MGMT_STATUS_INVALID_PARAMS); @@ -931,6 +1191,10 @@ static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data, if (!hdev_is_powered(hdev)) { bool changed = false; + /* Setting limited discoverable when powered off is + * not a valid operation since it requires a timeout + * and so no need to check HCI_LIMITED_DISCOVERABLE. + */ if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) { change_bit(HCI_DISCOVERABLE, &hdev->dev_flags); changed = true; @@ -946,16 +1210,20 @@ static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data, goto failed; } - if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) { - if (hdev->discov_timeout > 0) { - cancel_delayed_work(&hdev->discov_off); - hdev->discov_timeout = 0; - } + /* If the current mode is the same, then just update the timeout + * value with the new value. And if only the timeout gets updated, + * then no need for any HCI transactions. + */ + if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags) && + (cp->val == 0x02) == test_bit(HCI_LIMITED_DISCOVERABLE, + &hdev->dev_flags)) { + cancel_delayed_work(&hdev->discov_off); + hdev->discov_timeout = timeout; - if (cp->val && timeout > 0) { - hdev->discov_timeout = timeout; + if (cp->val && hdev->discov_timeout > 0) { + int to = msecs_to_jiffies(hdev->discov_timeout * 1000); queue_delayed_work(hdev->workqueue, &hdev->discov_off, - msecs_to_jiffies(hdev->discov_timeout * 1000)); + to); } err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); @@ -968,20 +1236,66 @@ static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data, goto failed; } + /* Cancel any potential discoverable timeout that might be + * still active and store new timeout value. The arming of + * the timeout happens in the complete handler. + */ + cancel_delayed_work(&hdev->discov_off); + hdev->discov_timeout = timeout; + + /* Limited discoverable mode */ + if (cp->val == 0x02) + set_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); + else + clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); + + hci_req_init(&req, hdev); + + /* The procedure for LE-only controllers is much simpler - just + * update the advertising data. + */ + if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) + goto update_ad; + scan = SCAN_PAGE; - if (cp->val) + if (cp->val) { + struct hci_cp_write_current_iac_lap hci_cp; + + if (cp->val == 0x02) { + /* Limited discoverable mode */ + hci_cp.num_iac = 2; + hci_cp.iac_lap[0] = 0x00; /* LIAC */ + hci_cp.iac_lap[1] = 0x8b; + hci_cp.iac_lap[2] = 0x9e; + hci_cp.iac_lap[3] = 0x33; /* GIAC */ + hci_cp.iac_lap[4] = 0x8b; + hci_cp.iac_lap[5] = 0x9e; + } else { + /* General discoverable mode */ + hci_cp.num_iac = 1; + hci_cp.iac_lap[0] = 0x33; /* GIAC */ + hci_cp.iac_lap[1] = 0x8b; + hci_cp.iac_lap[2] = 0x9e; + } + + hci_req_add(&req, HCI_OP_WRITE_CURRENT_IAC_LAP, + (hci_cp.num_iac * 3) + 1, &hci_cp); + scan |= SCAN_INQUIRY; - else - cancel_delayed_work(&hdev->discov_off); + } else { + clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); + } + + hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, sizeof(scan), &scan); - err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); +update_ad: + update_adv_data(&req); + + err = hci_req_run(&req, set_discoverable_complete); if (err < 0) mgmt_pending_remove(cmd); - if (cp->val) - hdev->discov_timeout = timeout; - failed: hci_dev_unlock(hdev); return err; @@ -993,6 +1307,9 @@ static void write_fast_connectable(struct hci_request *req, bool enable) struct hci_cp_write_page_scan_activity acp; u8 type; + if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) + return; + if (hdev->hci_ver < BLUETOOTH_VER_1_2) return; @@ -1019,9 +1336,55 @@ static void write_fast_connectable(struct hci_request *req, bool enable) hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type); } +static u8 get_adv_type(struct hci_dev *hdev) +{ + struct pending_cmd *cmd; + bool connectable; + + /* If there's a pending mgmt command the flag will not yet have + * it's final value, so check for this first. + */ + cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev); + if (cmd) { + struct mgmt_mode *cp = cmd->param; + connectable = !!cp->val; + } else { + connectable = test_bit(HCI_CONNECTABLE, &hdev->dev_flags); + } + + return connectable ? LE_ADV_IND : LE_ADV_NONCONN_IND; +} + +static void enable_advertising(struct hci_request *req) +{ + struct hci_dev *hdev = req->hdev; + struct hci_cp_le_set_adv_param cp; + u8 enable = 0x01; + + memset(&cp, 0, sizeof(cp)); + cp.min_interval = __constant_cpu_to_le16(0x0800); + cp.max_interval = __constant_cpu_to_le16(0x0800); + cp.type = get_adv_type(hdev); + cp.own_address_type = hdev->own_addr_type; + cp.channel_map = 0x07; + + hci_req_add(req, HCI_OP_LE_SET_ADV_PARAM, sizeof(cp), &cp); + + hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); +} + +static void disable_advertising(struct hci_request *req) +{ + u8 enable = 0x00; + + hci_req_add(req, HCI_OP_LE_SET_ADV_ENABLE, sizeof(enable), &enable); +} + static void set_connectable_complete(struct hci_dev *hdev, u8 status) { struct pending_cmd *cmd; + struct mgmt_mode *cp; + bool changed; BT_DBG("status 0x%02x", status); @@ -1031,14 +1394,56 @@ static void set_connectable_complete(struct hci_dev *hdev, u8 status) if (!cmd) goto unlock; + if (status) { + u8 mgmt_err = mgmt_status(status); + cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); + goto remove_cmd; + } + + cp = cmd->param; + if (cp->val) + changed = !test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags); + else + changed = test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags); + send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev); + if (changed) + new_settings(hdev, cmd->sk); + +remove_cmd: mgmt_pending_remove(cmd); unlock: hci_dev_unlock(hdev); } +static int set_connectable_update_settings(struct hci_dev *hdev, + struct sock *sk, u8 val) +{ + bool changed = false; + int err; + + if (!!val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) + changed = true; + + if (val) { + set_bit(HCI_CONNECTABLE, &hdev->dev_flags); + } else { + clear_bit(HCI_CONNECTABLE, &hdev->dev_flags); + clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); + } + + err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev); + if (err < 0) + return err; + + if (changed) + return new_settings(hdev, sk); + + return 0; +} + static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { @@ -1050,9 +1455,10 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, BT_DBG("request for %s", hdev->name); - if (!lmp_bredr_capable(hdev)) + if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags) && + !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, - MGMT_STATUS_NOT_SUPPORTED); + MGMT_STATUS_REJECTED); if (cp->val != 0x00 && cp->val != 0x01) return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, @@ -1061,25 +1467,7 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, hci_dev_lock(hdev); if (!hdev_is_powered(hdev)) { - bool changed = false; - - if (!!cp->val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) - changed = true; - - if (cp->val) { - set_bit(HCI_CONNECTABLE, &hdev->dev_flags); - } else { - clear_bit(HCI_CONNECTABLE, &hdev->dev_flags); - clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); - } - - err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev); - if (err < 0) - goto failed; - - if (changed) - err = new_settings(hdev, sk); - + err = set_connectable_update_settings(hdev, sk, cp->val); goto failed; } @@ -1090,30 +1478,37 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, goto failed; } - if (!!cp->val == test_bit(HCI_PSCAN, &hdev->flags)) { - err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev); - goto failed; - } - cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len); if (!cmd) { err = -ENOMEM; goto failed; } - if (cp->val) { - scan = SCAN_PAGE; - } else { - scan = 0; + hci_req_init(&req, hdev); - if (test_bit(HCI_ISCAN, &hdev->flags) && - hdev->discov_timeout > 0) - cancel_delayed_work(&hdev->discov_off); - } + /* If BR/EDR is not enabled and we disable advertising as a + * by-product of disabling connectable, we need to update the + * advertising flags. + */ + if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { + if (!cp->val) { + clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); + clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); + } + update_adv_data(&req); + } else if (cp->val != test_bit(HCI_PSCAN, &hdev->flags)) { + if (cp->val) { + scan = SCAN_PAGE; + } else { + scan = 0; - hci_req_init(&req, hdev); + if (test_bit(HCI_ISCAN, &hdev->flags) && + hdev->discov_timeout > 0) + cancel_delayed_work(&hdev->discov_off); + } - hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); + hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); + } /* If we're going from non-connectable to connectable or * vice-versa when fast connectable is enabled ensure that fast @@ -1124,9 +1519,20 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) write_fast_connectable(&req, false); + if (test_bit(HCI_ADVERTISING, &hdev->dev_flags) && + hci_conn_num(hdev, LE_LINK) == 0) { + disable_advertising(&req); + enable_advertising(&req); + } + err = hci_req_run(&req, set_connectable_complete); - if (err < 0) + if (err < 0) { mgmt_pending_remove(cmd); + if (err == -ENODATA) + err = set_connectable_update_settings(hdev, sk, + cp->val); + goto failed; + } failed: hci_dev_unlock(hdev); @@ -1137,6 +1543,7 @@ static int set_pairable(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { struct mgmt_mode *cp = data; + bool changed; int err; BT_DBG("request for %s", hdev->name); @@ -1148,17 +1555,18 @@ static int set_pairable(struct sock *sk, struct hci_dev *hdev, void *data, hci_dev_lock(hdev); if (cp->val) - set_bit(HCI_PAIRABLE, &hdev->dev_flags); + changed = !test_and_set_bit(HCI_PAIRABLE, &hdev->dev_flags); else - clear_bit(HCI_PAIRABLE, &hdev->dev_flags); + changed = test_and_clear_bit(HCI_PAIRABLE, &hdev->dev_flags); err = send_settings_rsp(sk, MGMT_OP_SET_PAIRABLE, hdev); if (err < 0) - goto failed; + goto unlock; - err = new_settings(hdev, sk); + if (changed) + err = new_settings(hdev, sk); -failed: +unlock: hci_dev_unlock(hdev); return err; } @@ -1168,14 +1576,15 @@ static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data, { struct mgmt_mode *cp = data; struct pending_cmd *cmd; - u8 val; + u8 val, status; int err; BT_DBG("request for %s", hdev->name); - if (!lmp_bredr_capable(hdev)) + status = mgmt_bredr_support(hdev); + if (status) return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, - MGMT_STATUS_NOT_SUPPORTED); + status); if (cp->val != 0x00 && cp->val != 0x01) return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, @@ -1236,11 +1645,15 @@ static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { struct mgmt_mode *cp = data; struct pending_cmd *cmd; - u8 val; + u8 status; int err; BT_DBG("request for %s", hdev->name); + status = mgmt_bredr_support(hdev); + if (status) + return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, status); + if (!lmp_ssp_capable(hdev)) return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, MGMT_STATUS_NOT_SUPPORTED); @@ -1251,14 +1664,20 @@ static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) hci_dev_lock(hdev); - val = !!cp->val; - if (!hdev_is_powered(hdev)) { - bool changed = false; + bool changed; - if (val != test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { - change_bit(HCI_SSP_ENABLED, &hdev->dev_flags); - changed = true; + if (cp->val) { + changed = !test_and_set_bit(HCI_SSP_ENABLED, + &hdev->dev_flags); + } else { + changed = test_and_clear_bit(HCI_SSP_ENABLED, + &hdev->dev_flags); + if (!changed) + changed = test_and_clear_bit(HCI_HS_ENABLED, + &hdev->dev_flags); + else + clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); } err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); @@ -1271,13 +1690,14 @@ static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) goto failed; } - if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev)) { + if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev) || + mgmt_pending_find(MGMT_OP_SET_HS, hdev)) { err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, MGMT_STATUS_BUSY); goto failed; } - if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) == val) { + if (!!cp->val == test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); goto failed; } @@ -1288,7 +1708,7 @@ static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) goto failed; } - err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, sizeof(val), &val); + err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &cp->val); if (err < 0) { mgmt_pending_remove(cmd); goto failed; @@ -1302,23 +1722,90 @@ failed: static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { struct mgmt_mode *cp = data; + bool changed; + u8 status; + int err; BT_DBG("request for %s", hdev->name); - if (!enable_hs) + status = mgmt_bredr_support(hdev); + if (status) + return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, status); + + if (!lmp_ssp_capable(hdev)) return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, MGMT_STATUS_NOT_SUPPORTED); + if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, + MGMT_STATUS_REJECTED); + if (cp->val != 0x00 && cp->val != 0x01) return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, MGMT_STATUS_INVALID_PARAMS); - if (cp->val) - set_bit(HCI_HS_ENABLED, &hdev->dev_flags); - else - clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); + hci_dev_lock(hdev); + + if (cp->val) { + changed = !test_and_set_bit(HCI_HS_ENABLED, &hdev->dev_flags); + } else { + if (hdev_is_powered(hdev)) { + err = cmd_status(sk, hdev->id, MGMT_OP_SET_HS, + MGMT_STATUS_REJECTED); + goto unlock; + } + + changed = test_and_clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); + } - return send_settings_rsp(sk, MGMT_OP_SET_HS, hdev); + err = send_settings_rsp(sk, MGMT_OP_SET_HS, hdev); + if (err < 0) + goto unlock; + + if (changed) + err = new_settings(hdev, sk); + +unlock: + hci_dev_unlock(hdev); + return err; +} + +static void le_enable_complete(struct hci_dev *hdev, u8 status) +{ + struct cmd_lookup match = { NULL, hdev }; + + if (status) { + u8 mgmt_err = mgmt_status(status); + + mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp, + &mgmt_err); + return; + } + + mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match); + + new_settings(hdev, match.sk); + + if (match.sk) + sock_put(match.sk); + + /* Make sure the controller has a good default for + * advertising data. Restrict the update to when LE + * has actually been enabled. During power on, the + * update in powered_update_hci will take care of it. + */ + if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { + struct hci_request req; + + hci_dev_lock(hdev); + + hci_req_init(&req, hdev); + update_adv_data(&req); + update_scan_rsp_data(&req); + hci_req_run(&req, NULL); + + hci_dev_unlock(hdev); + } } static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) @@ -1326,6 +1813,7 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) struct mgmt_mode *cp = data; struct hci_cp_write_le_host_supported hci_cp; struct pending_cmd *cmd; + struct hci_request req; int err; u8 val, enabled; @@ -1340,7 +1828,7 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) MGMT_STATUS_INVALID_PARAMS); /* LE-only devices do not allow toggling LE on/off */ - if (!lmp_bredr_capable(hdev)) + if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) return cmd_status(sk, hdev->id, MGMT_OP_SET_LE, MGMT_STATUS_REJECTED); @@ -1357,6 +1845,11 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) changed = true; } + if (!val && test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { + clear_bit(HCI_ADVERTISING, &hdev->dev_flags); + changed = true; + } + err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev); if (err < 0) goto unlock; @@ -1367,7 +1860,8 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) goto unlock; } - if (mgmt_pending_find(MGMT_OP_SET_LE, hdev)) { + if (mgmt_pending_find(MGMT_OP_SET_LE, hdev) || + mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev)) { err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE, MGMT_STATUS_BUSY); goto unlock; @@ -1379,15 +1873,22 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) goto unlock; } + hci_req_init(&req, hdev); + memset(&hci_cp, 0, sizeof(hci_cp)); if (val) { hci_cp.le = val; hci_cp.simul = lmp_le_br_capable(hdev); + } else { + if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) + disable_advertising(&req); } - err = hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp), - &hci_cp); + hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp), + &hci_cp); + + err = hci_req_run(&req, le_enable_complete); if (err < 0) mgmt_pending_remove(cmd); @@ -1706,6 +2207,12 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, u16 key_count, expected_len; int i; + BT_DBG("request for %s", hdev->name); + + if (!lmp_bredr_capable(hdev)) + return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, + MGMT_STATUS_NOT_SUPPORTED); + key_count = __le16_to_cpu(cp->key_count); expected_len = sizeof(*cp) + key_count * @@ -2515,8 +3022,11 @@ static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data, update_eir(&req); } + /* The name is stored in the scan response data and so + * no need to udpate the advertising data here. + */ if (lmp_le_capable(hdev)) - hci_update_ad(&req); + update_scan_rsp_data(&req); err = hci_req_run(&req, set_name_complete); if (err < 0) @@ -2685,6 +3195,7 @@ static int start_discovery(struct sock *sk, struct hci_dev *hdev, struct hci_request req; /* General inquiry access code (GIAC) */ u8 lap[3] = { 0x33, 0x8b, 0x9e }; + u8 status; int err; BT_DBG("%s", hdev->name); @@ -2721,9 +3232,10 @@ static int start_discovery(struct sock *sk, struct hci_dev *hdev, switch (hdev->discovery.type) { case DISCOV_TYPE_BREDR: - if (!lmp_bredr_capable(hdev)) { + status = mgmt_bredr_support(hdev); + if (status) { err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, - MGMT_STATUS_NOT_SUPPORTED); + status); mgmt_pending_remove(cmd); goto failed; } @@ -2745,22 +3257,23 @@ static int start_discovery(struct sock *sk, struct hci_dev *hdev, case DISCOV_TYPE_LE: case DISCOV_TYPE_INTERLEAVED: - if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { + status = mgmt_le_support(hdev); + if (status) { err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, - MGMT_STATUS_NOT_SUPPORTED); + status); mgmt_pending_remove(cmd); goto failed; } if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED && - !lmp_bredr_capable(hdev)) { + !test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, MGMT_STATUS_NOT_SUPPORTED); mgmt_pending_remove(cmd); goto failed; } - if (test_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags)) { + if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, MGMT_STATUS_REJECTED); mgmt_pending_remove(cmd); @@ -2778,6 +3291,7 @@ static int start_discovery(struct sock *sk, struct hci_dev *hdev, param_cp.type = LE_SCAN_ACTIVE; param_cp.interval = cpu_to_le16(DISCOV_LE_SCAN_INT); param_cp.window = cpu_to_le16(DISCOV_LE_SCAN_WIN); + param_cp.own_address_type = hdev->own_addr_type; hci_req_add(&req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(param_cp), ¶m_cp); @@ -3065,6 +3579,186 @@ static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data, return err; } +static void set_advertising_complete(struct hci_dev *hdev, u8 status) +{ + struct cmd_lookup match = { NULL, hdev }; + + if (status) { + u8 mgmt_err = mgmt_status(status); + + mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, + cmd_status_rsp, &mgmt_err); + return; + } + + mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, settings_rsp, + &match); + + new_settings(hdev, match.sk); + + if (match.sk) + sock_put(match.sk); +} + +static int set_advertising(struct sock *sk, struct hci_dev *hdev, void *data, + u16 len) +{ + struct mgmt_mode *cp = data; + struct pending_cmd *cmd; + struct hci_request req; + u8 val, enabled, status; + int err; + + BT_DBG("request for %s", hdev->name); + + status = mgmt_le_support(hdev); + if (status) + return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, + status); + + if (cp->val != 0x00 && cp->val != 0x01) + return cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, + MGMT_STATUS_INVALID_PARAMS); + + hci_dev_lock(hdev); + + val = !!cp->val; + enabled = test_bit(HCI_ADVERTISING, &hdev->dev_flags); + + /* The following conditions are ones which mean that we should + * not do any HCI communication but directly send a mgmt + * response to user space (after toggling the flag if + * necessary). + */ + if (!hdev_is_powered(hdev) || val == enabled || + hci_conn_num(hdev, LE_LINK) > 0) { + bool changed = false; + + if (val != test_bit(HCI_ADVERTISING, &hdev->dev_flags)) { + change_bit(HCI_ADVERTISING, &hdev->dev_flags); + changed = true; + } + + err = send_settings_rsp(sk, MGMT_OP_SET_ADVERTISING, hdev); + if (err < 0) + goto unlock; + + if (changed) + err = new_settings(hdev, sk); + + goto unlock; + } + + if (mgmt_pending_find(MGMT_OP_SET_ADVERTISING, hdev) || + mgmt_pending_find(MGMT_OP_SET_LE, hdev)) { + err = cmd_status(sk, hdev->id, MGMT_OP_SET_ADVERTISING, + MGMT_STATUS_BUSY); + goto unlock; + } + + cmd = mgmt_pending_add(sk, MGMT_OP_SET_ADVERTISING, hdev, data, len); + if (!cmd) { + err = -ENOMEM; + goto unlock; + } + + hci_req_init(&req, hdev); + + if (val) + enable_advertising(&req); + else + disable_advertising(&req); + + err = hci_req_run(&req, set_advertising_complete); + if (err < 0) + mgmt_pending_remove(cmd); + +unlock: + hci_dev_unlock(hdev); + return err; +} + +static int set_static_address(struct sock *sk, struct hci_dev *hdev, + void *data, u16 len) +{ + struct mgmt_cp_set_static_address *cp = data; + int err; + + BT_DBG("%s", hdev->name); + + if (!lmp_le_capable(hdev)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, + MGMT_STATUS_NOT_SUPPORTED); + + if (hdev_is_powered(hdev)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, + MGMT_STATUS_REJECTED); + + if (bacmp(&cp->bdaddr, BDADDR_ANY)) { + if (!bacmp(&cp->bdaddr, BDADDR_NONE)) + return cmd_status(sk, hdev->id, + MGMT_OP_SET_STATIC_ADDRESS, + MGMT_STATUS_INVALID_PARAMS); + + /* Two most significant bits shall be set */ + if ((cp->bdaddr.b[5] & 0xc0) != 0xc0) + return cmd_status(sk, hdev->id, + MGMT_OP_SET_STATIC_ADDRESS, + MGMT_STATUS_INVALID_PARAMS); + } + + hci_dev_lock(hdev); + + bacpy(&hdev->static_addr, &cp->bdaddr); + + err = cmd_complete(sk, hdev->id, MGMT_OP_SET_STATIC_ADDRESS, 0, NULL, 0); + + hci_dev_unlock(hdev); + + return err; +} + +static int set_scan_params(struct sock *sk, struct hci_dev *hdev, + void *data, u16 len) +{ + struct mgmt_cp_set_scan_params *cp = data; + __u16 interval, window; + int err; + + BT_DBG("%s", hdev->name); + + if (!lmp_le_capable(hdev)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, + MGMT_STATUS_NOT_SUPPORTED); + + interval = __le16_to_cpu(cp->interval); + + if (interval < 0x0004 || interval > 0x4000) + return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, + MGMT_STATUS_INVALID_PARAMS); + + window = __le16_to_cpu(cp->window); + + if (window < 0x0004 || window > 0x4000) + return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, + MGMT_STATUS_INVALID_PARAMS); + + if (window > interval) + return cmd_status(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, + MGMT_STATUS_INVALID_PARAMS); + + hci_dev_lock(hdev); + + hdev->le_scan_interval = interval; + hdev->le_scan_window = window; + + err = cmd_complete(sk, hdev->id, MGMT_OP_SET_SCAN_PARAMS, 0, NULL, 0); + + hci_dev_unlock(hdev); + + return err; +} + static void fast_connectable_complete(struct hci_dev *hdev, u8 status) { struct pending_cmd *cmd; @@ -3108,7 +3802,8 @@ static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, BT_DBG("%s", hdev->name); - if (!lmp_bredr_capable(hdev) || hdev->hci_ver < BLUETOOTH_VER_1_2) + if (!test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags) || + hdev->hci_ver < BLUETOOTH_VER_1_2) return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, MGMT_STATUS_NOT_SUPPORTED); @@ -3162,6 +3857,148 @@ unlock: return err; } +static void set_bredr_scan(struct hci_request *req) +{ + struct hci_dev *hdev = req->hdev; + u8 scan = 0; + + /* Ensure that fast connectable is disabled. This function will + * not do anything if the page scan parameters are already what + * they should be. + */ + write_fast_connectable(req, false); + + if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) + scan |= SCAN_PAGE; + if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) + scan |= SCAN_INQUIRY; + + if (scan) + hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); +} + +static void set_bredr_complete(struct hci_dev *hdev, u8 status) +{ + struct pending_cmd *cmd; + + BT_DBG("status 0x%02x", status); + + hci_dev_lock(hdev); + + cmd = mgmt_pending_find(MGMT_OP_SET_BREDR, hdev); + if (!cmd) + goto unlock; + + if (status) { + u8 mgmt_err = mgmt_status(status); + + /* We need to restore the flag if related HCI commands + * failed. + */ + clear_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); + + cmd_status(cmd->sk, cmd->index, cmd->opcode, mgmt_err); + } else { + send_settings_rsp(cmd->sk, MGMT_OP_SET_BREDR, hdev); + new_settings(hdev, cmd->sk); + } + + mgmt_pending_remove(cmd); + +unlock: + hci_dev_unlock(hdev); +} + +static int set_bredr(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) +{ + struct mgmt_mode *cp = data; + struct pending_cmd *cmd; + struct hci_request req; + int err; + + BT_DBG("request for %s", hdev->name); + + if (!lmp_bredr_capable(hdev) || !lmp_le_capable(hdev)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, + MGMT_STATUS_NOT_SUPPORTED); + + if (!test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, + MGMT_STATUS_REJECTED); + + if (cp->val != 0x00 && cp->val != 0x01) + return cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, + MGMT_STATUS_INVALID_PARAMS); + + hci_dev_lock(hdev); + + if (cp->val == test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { + err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); + goto unlock; + } + + if (!hdev_is_powered(hdev)) { + if (!cp->val) { + clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); + clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); + clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags); + clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags); + clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); + } + + change_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); + + err = send_settings_rsp(sk, MGMT_OP_SET_BREDR, hdev); + if (err < 0) + goto unlock; + + err = new_settings(hdev, sk); + goto unlock; + } + + /* Reject disabling when powered on */ + if (!cp->val) { + err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, + MGMT_STATUS_REJECTED); + goto unlock; + } + + if (mgmt_pending_find(MGMT_OP_SET_BREDR, hdev)) { + err = cmd_status(sk, hdev->id, MGMT_OP_SET_BREDR, + MGMT_STATUS_BUSY); + goto unlock; + } + + cmd = mgmt_pending_add(sk, MGMT_OP_SET_BREDR, hdev, data, len); + if (!cmd) { + err = -ENOMEM; + goto unlock; + } + + /* We need to flip the bit already here so that update_adv_data + * generates the correct flags. + */ + set_bit(HCI_BREDR_ENABLED, &hdev->dev_flags); + + hci_req_init(&req, hdev); + + if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) + set_bredr_scan(&req); + + /* Since only the advertising data flags will change, there + * is no need to update the scan response data. + */ + update_adv_data(&req); + + err = hci_req_run(&req, set_bredr_complete); + if (err < 0) + mgmt_pending_remove(cmd); + +unlock: + hci_dev_unlock(hdev); + return err; +} + static bool ltk_is_valid(struct mgmt_ltk_info *key) { if (key->authenticated != 0x00 && key->authenticated != 0x01) @@ -3180,6 +4017,12 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, u16 key_count, expected_len; int i, err; + BT_DBG("request for %s", hdev->name); + + if (!lmp_le_capable(hdev)) + return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, + MGMT_STATUS_NOT_SUPPORTED); + key_count = __le16_to_cpu(cp->key_count); expected_len = sizeof(*cp) + key_count * @@ -3208,15 +4051,19 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, for (i = 0; i < key_count; i++) { struct mgmt_ltk_info *key = &cp->keys[i]; - u8 type; + u8 type, addr_type; + + if (key->addr.type == BDADDR_LE_PUBLIC) + addr_type = ADDR_LE_DEV_PUBLIC; + else + addr_type = ADDR_LE_DEV_RANDOM; if (key->master) type = HCI_SMP_LTK; else type = HCI_SMP_LTK_SLAVE; - hci_add_ltk(hdev, &key->addr.bdaddr, - bdaddr_to_le(key->addr.type), + hci_add_ltk(hdev, &key->addr.bdaddr, addr_type, type, 0, key->authenticated, key->val, key->enc_size, key->ediv, key->rand); } @@ -3276,6 +4123,10 @@ static const struct mgmt_handler { { block_device, false, MGMT_BLOCK_DEVICE_SIZE }, { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE }, { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE }, + { set_advertising, false, MGMT_SETTING_SIZE }, + { set_bredr, false, MGMT_SETTING_SIZE }, + { set_static_address, false, MGMT_SET_STATIC_ADDRESS_SIZE }, + { set_scan_params, false, MGMT_SET_SCAN_PARAMS_SIZE }, }; @@ -3320,6 +4171,13 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) MGMT_STATUS_INVALID_INDEX); goto done; } + + if (test_bit(HCI_SETUP, &hdev->dev_flags) || + test_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) { + err = cmd_status(sk, index, opcode, + MGMT_STATUS_INVALID_INDEX); + goto done; + } } if (opcode >= ARRAY_SIZE(mgmt_handlers) || @@ -3365,74 +4223,24 @@ done: return err; } -static void cmd_status_rsp(struct pending_cmd *cmd, void *data) -{ - u8 *status = data; - - cmd_status(cmd->sk, cmd->index, cmd->opcode, *status); - mgmt_pending_remove(cmd); -} - -int mgmt_index_added(struct hci_dev *hdev) +void mgmt_index_added(struct hci_dev *hdev) { - if (!mgmt_valid_hdev(hdev)) - return -ENOTSUPP; + if (hdev->dev_type != HCI_BREDR) + return; - return mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL); + mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL); } -int mgmt_index_removed(struct hci_dev *hdev) +void mgmt_index_removed(struct hci_dev *hdev) { u8 status = MGMT_STATUS_INVALID_INDEX; - if (!mgmt_valid_hdev(hdev)) - return -ENOTSUPP; + if (hdev->dev_type != HCI_BREDR) + return; mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status); - return mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL); -} - -struct cmd_lookup { - struct sock *sk; - struct hci_dev *hdev; - u8 mgmt_status; -}; - -static void settings_rsp(struct pending_cmd *cmd, void *data) -{ - struct cmd_lookup *match = data; - - send_settings_rsp(cmd->sk, cmd->opcode, match->hdev); - - list_del(&cmd->list); - - if (match->sk == NULL) { - match->sk = cmd->sk; - sock_hold(match->sk); - } - - mgmt_pending_free(cmd); -} - -static void set_bredr_scan(struct hci_request *req) -{ - struct hci_dev *hdev = req->hdev; - u8 scan = 0; - - /* Ensure that fast connectable is disabled. This function will - * not do anything if the page scan parameters are already what - * they should be. - */ - write_fast_connectable(req, false); - - if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) - scan |= SCAN_PAGE; - if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) - scan |= SCAN_INQUIRY; - - if (scan) - hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); + mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL); } static void powered_complete(struct hci_dev *hdev, u8 status) @@ -3483,13 +4291,33 @@ static int powered_update_hci(struct hci_dev *hdev) sizeof(cp), &cp); } + if (lmp_le_capable(hdev)) { + /* Set random address to static address if configured */ + if (bacmp(&hdev->static_addr, BDADDR_ANY)) + hci_req_add(&req, HCI_OP_LE_SET_RANDOM_ADDR, 6, + &hdev->static_addr); + + /* Make sure the controller has a good default for + * advertising data. This also applies to the case + * where BR/EDR was toggled during the AUTO_OFF phase. + */ + if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { + update_adv_data(&req); + update_scan_rsp_data(&req); + } + + if (test_bit(HCI_ADVERTISING, &hdev->dev_flags)) + enable_advertising(&req); + } + link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags); if (link_sec != test_bit(HCI_AUTH, &hdev->flags)) hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE, sizeof(link_sec), &link_sec); if (lmp_bredr_capable(hdev)) { - set_bredr_scan(&req); + if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) + set_bredr_scan(&req); update_class(&req); update_name(&req); update_eir(&req); @@ -3533,76 +4361,110 @@ new_settings: return err; } -int mgmt_set_powered_failed(struct hci_dev *hdev, int err) +void mgmt_set_powered_failed(struct hci_dev *hdev, int err) { struct pending_cmd *cmd; u8 status; cmd = mgmt_pending_find(MGMT_OP_SET_POWERED, hdev); if (!cmd) - return -ENOENT; + return; if (err == -ERFKILL) status = MGMT_STATUS_RFKILLED; else status = MGMT_STATUS_FAILED; - err = cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status); + cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_POWERED, status); mgmt_pending_remove(cmd); +} - return err; +void mgmt_discoverable_timeout(struct hci_dev *hdev) +{ + struct hci_request req; + + hci_dev_lock(hdev); + + /* When discoverable timeout triggers, then just make sure + * the limited discoverable flag is cleared. Even in the case + * of a timeout triggered from general discoverable, it is + * safe to unconditionally clear the flag. + */ + clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); + clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); + + hci_req_init(&req, hdev); + if (test_bit(HCI_BREDR_ENABLED, &hdev->dev_flags)) { + u8 scan = SCAN_PAGE; + hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, + sizeof(scan), &scan); + } + update_class(&req); + update_adv_data(&req); + hci_req_run(&req, NULL); + + hdev->discov_timeout = 0; + + new_settings(hdev, NULL); + + hci_dev_unlock(hdev); } -int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable) +void mgmt_discoverable(struct hci_dev *hdev, u8 discoverable) { - struct cmd_lookup match = { NULL, hdev }; - bool changed = false; - int err = 0; + bool changed; + + /* Nothing needed here if there's a pending command since that + * commands request completion callback takes care of everything + * necessary. + */ + if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev)) + return; if (discoverable) { - if (!test_and_set_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) - changed = true; + changed = !test_and_set_bit(HCI_DISCOVERABLE, &hdev->dev_flags); } else { - if (test_and_clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) - changed = true; + clear_bit(HCI_LIMITED_DISCOVERABLE, &hdev->dev_flags); + changed = test_and_clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); } - mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev, settings_rsp, - &match); + if (changed) { + struct hci_request req; - if (changed) - err = new_settings(hdev, match.sk); - - if (match.sk) - sock_put(match.sk); + /* In case this change in discoverable was triggered by + * a disabling of connectable there could be a need to + * update the advertising flags. + */ + hci_req_init(&req, hdev); + update_adv_data(&req); + hci_req_run(&req, NULL); - return err; + new_settings(hdev, NULL); + } } -int mgmt_connectable(struct hci_dev *hdev, u8 connectable) +void mgmt_connectable(struct hci_dev *hdev, u8 connectable) { - struct pending_cmd *cmd; - bool changed = false; - int err = 0; + bool changed; - if (connectable) { - if (!test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags)) - changed = true; - } else { - if (test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags)) - changed = true; - } + /* Nothing needed here if there's a pending command since that + * commands request completion callback takes care of everything + * necessary. + */ + if (mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) + return; - cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev); + if (connectable) + changed = !test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags); + else + changed = test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags); if (changed) - err = new_settings(hdev, cmd ? cmd->sk : NULL); - - return err; + new_settings(hdev, NULL); } -int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status) +void mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status) { u8 mgmt_err = mgmt_status(status); @@ -3613,12 +4475,10 @@ int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status) if (scan & SCAN_INQUIRY) mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev, cmd_status_rsp, &mgmt_err); - - return 0; } -int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, - bool persistent) +void mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, + bool persistent) { struct mgmt_ev_new_link_key ev; @@ -3631,10 +4491,10 @@ int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE); ev.key.pin_len = key->pin_len; - return mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL); + mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL); } -int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent) +void mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent) { struct mgmt_ev_new_long_term_key ev; @@ -3653,13 +4513,23 @@ int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent) memcpy(ev.key.rand, key->rand, sizeof(key->rand)); memcpy(ev.key.val, key->val, sizeof(key->val)); - return mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), - NULL); + mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), NULL); +} + +static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data, + u8 data_len) +{ + eir[eir_len++] = sizeof(type) + data_len; + eir[eir_len++] = type; + memcpy(&eir[eir_len], data, data_len); + eir_len += data_len; + + return eir_len; } -int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, - u8 addr_type, u32 flags, u8 *name, u8 name_len, - u8 *dev_class) +void mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, + u8 addr_type, u32 flags, u8 *name, u8 name_len, + u8 *dev_class) { char buf[512]; struct mgmt_ev_device_connected *ev = (void *) buf; @@ -3680,8 +4550,8 @@ int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, ev->eir_len = cpu_to_le16(eir_len); - return mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf, - sizeof(*ev) + eir_len, NULL); + mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf, + sizeof(*ev) + eir_len, NULL); } static void disconnect_rsp(struct pending_cmd *cmd, void *data) @@ -3719,12 +4589,11 @@ static void unpair_device_rsp(struct pending_cmd *cmd, void *data) mgmt_pending_remove(cmd); } -int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, - u8 link_type, u8 addr_type, u8 reason) +void mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 link_type, u8 addr_type, u8 reason) { struct mgmt_ev_device_disconnected ev; struct sock *sk = NULL; - int err; mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk); @@ -3732,45 +4601,39 @@ int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, ev.addr.type = link_to_bdaddr(link_type, addr_type); ev.reason = reason; - err = mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), - sk); + mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), sk); if (sk) sock_put(sk); mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, hdev); - - return err; } -int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, - u8 link_type, u8 addr_type, u8 status) +void mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 link_type, u8 addr_type, u8 status) { struct mgmt_rp_disconnect rp; struct pending_cmd *cmd; - int err; mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, hdev); cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev); if (!cmd) - return -ENOENT; + return; bacpy(&rp.addr.bdaddr, bdaddr); rp.addr.type = link_to_bdaddr(link_type, addr_type); - err = cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, - mgmt_status(status), &rp, sizeof(rp)); + cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, + mgmt_status(status), &rp, sizeof(rp)); mgmt_pending_remove(cmd); - - return err; } -int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, - u8 addr_type, u8 status) +void mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, + u8 addr_type, u8 status) { struct mgmt_ev_connect_failed ev; @@ -3778,10 +4641,10 @@ int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, ev.addr.type = link_to_bdaddr(link_type, addr_type); ev.status = mgmt_status(status); - return mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL); + mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL); } -int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure) +void mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure) { struct mgmt_ev_pin_code_request ev; @@ -3789,52 +4652,45 @@ int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure) ev.addr.type = BDADDR_BREDR; ev.secure = secure; - return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), - NULL); + mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), NULL); } -int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, - u8 status) +void mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 status) { struct pending_cmd *cmd; struct mgmt_rp_pin_code_reply rp; - int err; cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev); if (!cmd) - return -ENOENT; + return; bacpy(&rp.addr.bdaddr, bdaddr); rp.addr.type = BDADDR_BREDR; - err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, - mgmt_status(status), &rp, sizeof(rp)); + cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, + mgmt_status(status), &rp, sizeof(rp)); mgmt_pending_remove(cmd); - - return err; } -int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, - u8 status) +void mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 status) { struct pending_cmd *cmd; struct mgmt_rp_pin_code_reply rp; - int err; cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev); if (!cmd) - return -ENOENT; + return; bacpy(&rp.addr.bdaddr, bdaddr); rp.addr.type = BDADDR_BREDR; - err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY, - mgmt_status(status), &rp, sizeof(rp)); + cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY, + mgmt_status(status), &rp, sizeof(rp)); mgmt_pending_remove(cmd); - - return err; } int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, @@ -3936,8 +4792,8 @@ int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, return mgmt_event(MGMT_EV_PASSKEY_NOTIFY, hdev, &ev, sizeof(ev), NULL); } -int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, - u8 addr_type, u8 status) +void mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, + u8 addr_type, u8 status) { struct mgmt_ev_auth_failed ev; @@ -3945,40 +4801,36 @@ int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, ev.addr.type = link_to_bdaddr(link_type, addr_type); ev.status = mgmt_status(status); - return mgmt_event(MGMT_EV_AUTH_FAILED, hdev, &ev, sizeof(ev), NULL); + mgmt_event(MGMT_EV_AUTH_FAILED, hdev, &ev, sizeof(ev), NULL); } -int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status) +void mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status) { struct cmd_lookup match = { NULL, hdev }; - bool changed = false; - int err = 0; + bool changed; if (status) { u8 mgmt_err = mgmt_status(status); mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, cmd_status_rsp, &mgmt_err); - return 0; + return; } - if (test_bit(HCI_AUTH, &hdev->flags)) { - if (!test_and_set_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) - changed = true; - } else { - if (test_and_clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) - changed = true; - } + if (test_bit(HCI_AUTH, &hdev->flags)) + changed = !test_and_set_bit(HCI_LINK_SECURITY, + &hdev->dev_flags); + else + changed = test_and_clear_bit(HCI_LINK_SECURITY, + &hdev->dev_flags); mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp, &match); if (changed) - err = new_settings(hdev, match.sk); + new_settings(hdev, match.sk); if (match.sk) sock_put(match.sk); - - return err; } static void clear_eir(struct hci_request *req) @@ -3996,38 +4848,41 @@ static void clear_eir(struct hci_request *req) hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp); } -int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) +void mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) { struct cmd_lookup match = { NULL, hdev }; struct hci_request req; bool changed = false; - int err = 0; if (status) { u8 mgmt_err = mgmt_status(status); if (enable && test_and_clear_bit(HCI_SSP_ENABLED, - &hdev->dev_flags)) - err = new_settings(hdev, NULL); + &hdev->dev_flags)) { + clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); + new_settings(hdev, NULL); + } mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp, &mgmt_err); - - return err; + return; } if (enable) { - if (!test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) - changed = true; + changed = !test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags); } else { - if (test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) - changed = true; + changed = test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); + if (!changed) + changed = test_and_clear_bit(HCI_HS_ENABLED, + &hdev->dev_flags); + else + clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); } mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match); if (changed) - err = new_settings(hdev, match.sk); + new_settings(hdev, match.sk); if (match.sk) sock_put(match.sk); @@ -4040,8 +4895,6 @@ int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) clear_eir(&req); hci_req_run(&req, NULL); - - return err; } static void sk_lookup(struct pending_cmd *cmd, void *data) @@ -4054,33 +4907,30 @@ static void sk_lookup(struct pending_cmd *cmd, void *data) } } -int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, - u8 status) +void mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, + u8 status) { struct cmd_lookup match = { NULL, hdev, mgmt_status(status) }; - int err = 0; mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match); mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match); mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match); if (!status) - err = mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, - 3, NULL); + mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, 3, + NULL); if (match.sk) sock_put(match.sk); - - return err; } -int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status) +void mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status) { struct mgmt_cp_set_local_name ev; struct pending_cmd *cmd; if (status) - return 0; + return; memset(&ev, 0, sizeof(ev)); memcpy(ev.name, name, HCI_MAX_NAME_LENGTH); @@ -4094,96 +4944,54 @@ int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status) * HCI dev don't send any mgmt signals. */ if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) - return 0; + return; } - return mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev), - cmd ? cmd->sk : NULL); + mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev), + cmd ? cmd->sk : NULL); } -int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, - u8 *randomizer, u8 status) +void mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, + u8 *randomizer, u8 status) { struct pending_cmd *cmd; - int err; BT_DBG("%s status %u", hdev->name, status); cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev); if (!cmd) - return -ENOENT; + return; if (status) { - err = cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, - mgmt_status(status)); + cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, + mgmt_status(status)); } else { struct mgmt_rp_read_local_oob_data rp; memcpy(rp.hash, hash, sizeof(rp.hash)); memcpy(rp.randomizer, randomizer, sizeof(rp.randomizer)); - err = cmd_complete(cmd->sk, hdev->id, - MGMT_OP_READ_LOCAL_OOB_DATA, 0, &rp, - sizeof(rp)); + cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, + 0, &rp, sizeof(rp)); } mgmt_pending_remove(cmd); - - return err; } -int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) -{ - struct cmd_lookup match = { NULL, hdev }; - bool changed = false; - int err = 0; - - if (status) { - u8 mgmt_err = mgmt_status(status); - - if (enable && test_and_clear_bit(HCI_LE_ENABLED, - &hdev->dev_flags)) - err = new_settings(hdev, NULL); - - mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, cmd_status_rsp, - &mgmt_err); - - return err; - } - - if (enable) { - if (!test_and_set_bit(HCI_LE_ENABLED, &hdev->dev_flags)) - changed = true; - } else { - if (test_and_clear_bit(HCI_LE_ENABLED, &hdev->dev_flags)) - changed = true; - } - - mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match); - - if (changed) - err = new_settings(hdev, match.sk); - - if (match.sk) - sock_put(match.sk); - - return err; -} - -int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, - u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, u8 - ssp, u8 *eir, u16 eir_len) +void mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, + u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, u8 + ssp, u8 *eir, u16 eir_len) { char buf[512]; struct mgmt_ev_device_found *ev = (void *) buf; size_t ev_size; if (!hci_discovery_active(hdev)) - return -EPERM; + return; /* Leave 5 bytes for a potential CoD field */ if (sizeof(*ev) + eir_len + 5 > sizeof(buf)) - return -EINVAL; + return; memset(buf, 0, sizeof(buf)); @@ -4205,11 +5013,11 @@ int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, ev->eir_len = cpu_to_le16(eir_len); ev_size = sizeof(*ev) + eir_len; - return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL); + mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL); } -int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, - u8 addr_type, s8 rssi, u8 *name, u8 name_len) +void mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, + u8 addr_type, s8 rssi, u8 *name, u8 name_len) { struct mgmt_ev_device_found *ev; char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2]; @@ -4228,11 +5036,10 @@ int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, ev->eir_len = cpu_to_le16(eir_len); - return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, - sizeof(*ev) + eir_len, NULL); + mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, sizeof(*ev) + eir_len, NULL); } -int mgmt_discovering(struct hci_dev *hdev, u8 discovering) +void mgmt_discovering(struct hci_dev *hdev, u8 discovering) { struct mgmt_ev_discovering ev; struct pending_cmd *cmd; @@ -4256,7 +5063,7 @@ int mgmt_discovering(struct hci_dev *hdev, u8 discovering) ev.type = hdev->discovery.type; ev.discovering = discovering; - return mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL); + mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL); } int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) @@ -4287,5 +5094,35 @@ int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) cmd ? cmd->sk : NULL); } -module_param(enable_hs, bool, 0644); -MODULE_PARM_DESC(enable_hs, "Enable High Speed support"); +static void adv_enable_complete(struct hci_dev *hdev, u8 status) +{ + BT_DBG("%s status %u", hdev->name, status); + + /* Clear the advertising mgmt setting if we failed to re-enable it */ + if (status) { + clear_bit(HCI_ADVERTISING, &hdev->dev_flags); + new_settings(hdev, NULL); + } +} + +void mgmt_reenable_advertising(struct hci_dev *hdev) +{ + struct hci_request req; + + if (hci_conn_num(hdev, LE_LINK) > 0) + return; + + if (!test_bit(HCI_ADVERTISING, &hdev->dev_flags)) + return; + + hci_req_init(&req, hdev); + enable_advertising(&req); + + /* If this fails we have no option but to let user space know + * that we've disabled advertising. + */ + if (hci_req_run(&req, adv_enable_complete) < 0) { + clear_bit(HCI_ADVERTISING, &hdev->dev_flags); + new_settings(hdev, NULL); + } +} |