diff options
Diffstat (limited to 'hw/bt/hci.c')
| -rw-r--r-- | hw/bt/hci.c | 2263 |
1 files changed, 0 insertions, 2263 deletions
diff --git a/hw/bt/hci.c b/hw/bt/hci.c deleted file mode 100644 index c7958f6..0000000 --- a/hw/bt/hci.c +++ /dev/null @@ -1,2263 +0,0 @@ -/* - * QEMU Bluetooth HCI logic. - * - * Copyright (C) 2007 OpenMoko, Inc. - * Copyright (C) 2008 Andrzej Zaborowski <balrog@zabor.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include "qemu/osdep.h" -#include "qemu/error-report.h" -#include "qapi/error.h" -#include "qemu/timer.h" -#include "hw/usb.h" -#include "sysemu/bt.h" -#include "hw/bt.h" -#include "qapi/qmp/qerror.h" -#include "sysemu/replay.h" -#include "qemu/cutils.h" - -struct bt_hci_s { - uint8_t *(*evt_packet)(void *opaque); - void (*evt_submit)(void *opaque, int len); - void *opaque; - uint8_t evt_buf[256]; - - uint8_t acl_buf[4096]; - int acl_len; - - uint16_t asb_handle; - uint16_t psb_handle; - - int last_cmd; /* Note: Always little-endian */ - - struct bt_device_s *conn_req_host; - - struct { - int inquire; - int periodic; - int responses_left; - int responses; - QEMUTimer *inquiry_done; - QEMUTimer *inquiry_next; - int inquiry_length; - int inquiry_period; - int inquiry_mode; - -#define HCI_HANDLE_OFFSET 0x20 -#define HCI_HANDLES_MAX 0x10 - struct bt_hci_master_link_s { - struct bt_link_s *link; - void (*lmp_acl_data)(struct bt_link_s *link, - const uint8_t *data, int start, int len); - QEMUTimer *acl_mode_timer; - } handle[HCI_HANDLES_MAX]; - uint32_t role_bmp; - int last_handle; - int connecting; - bdaddr_t awaiting_bdaddr[HCI_HANDLES_MAX]; - } lm; - - uint8_t event_mask[8]; - uint16_t voice_setting; /* Notw: Always little-endian */ - uint16_t conn_accept_tout; - QEMUTimer *conn_accept_timer; - - struct HCIInfo info; - struct bt_device_s device; - - Error *replay_blocker; -}; - -#define DEFAULT_RSSI_DBM 20 - -#define hci_from_info(ptr) container_of((ptr), struct bt_hci_s, info) -#define hci_from_device(ptr) container_of((ptr), struct bt_hci_s, device) - -struct bt_hci_link_s { - struct bt_link_s btlink; - uint16_t handle; /* Local */ -}; - -/* LMP layer emulation */ -#if 0 -static void bt_submit_lmp(struct bt_device_s *bt, int length, uint8_t *data) -{ - int resp, resplen, error, op, tr; - uint8_t respdata[17]; - - if (length < 1) - return; - - tr = *data & 1; - op = *(data ++) >> 1; - resp = LMP_ACCEPTED; - resplen = 2; - respdata[1] = op; - error = 0; - length --; - - if (op >= 0x7c) { /* Extended opcode */ - op |= *(data ++) << 8; - resp = LMP_ACCEPTED_EXT; - resplen = 4; - respdata[0] = op >> 8; - respdata[1] = op & 0xff; - length --; - } - - switch (op) { - case LMP_ACCEPTED: - /* data[0] Op code - */ - if (length < 1) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - resp = 0; - break; - - case LMP_ACCEPTED_EXT: - /* data[0] Escape op code - * data[1] Extended op code - */ - if (length < 2) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - resp = 0; - break; - - case LMP_NOT_ACCEPTED: - /* data[0] Op code - * data[1] Error code - */ - if (length < 2) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - resp = 0; - break; - - case LMP_NOT_ACCEPTED_EXT: - /* data[0] Op code - * data[1] Extended op code - * data[2] Error code - */ - if (length < 3) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - resp = 0; - break; - - case LMP_HOST_CONNECTION_REQ: - break; - - case LMP_SETUP_COMPLETE: - resp = LMP_SETUP_COMPLETE; - resplen = 1; - bt->setup = 1; - break; - - case LMP_DETACH: - /* data[0] Error code - */ - if (length < 1) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - bt->setup = 0; - resp = 0; - break; - - case LMP_SUPERVISION_TIMEOUT: - /* data[0,1] Supervision timeout - */ - if (length < 2) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - resp = 0; - break; - - case LMP_QUALITY_OF_SERVICE: - resp = 0; - /* Fall through */ - case LMP_QOS_REQ: - /* data[0,1] Poll interval - * data[2] N(BC) - */ - if (length < 3) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - break; - - case LMP_MAX_SLOT: - resp = 0; - /* Fall through */ - case LMP_MAX_SLOT_REQ: - /* data[0] Max slots - */ - if (length < 1) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - break; - - case LMP_AU_RAND: - case LMP_IN_RAND: - case LMP_COMB_KEY: - /* data[0-15] Random number - */ - if (length < 16) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - if (op == LMP_AU_RAND) { - if (bt->key_present) { - resp = LMP_SRES; - resplen = 5; - /* XXX: [Part H] Section 6.1 on page 801 */ - } else { - error = HCI_PIN_OR_KEY_MISSING; - goto not_accepted; - } - } else if (op == LMP_IN_RAND) { - error = HCI_PAIRING_NOT_ALLOWED; - goto not_accepted; - } else { - /* XXX: [Part H] Section 3.2 on page 779 */ - resp = LMP_UNIT_KEY; - resplen = 17; - memcpy(respdata + 1, bt->key, 16); - - error = HCI_UNIT_LINK_KEY_USED; - goto not_accepted; - } - break; - - case LMP_UNIT_KEY: - /* data[0-15] Key - */ - if (length < 16) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - memcpy(bt->key, data, 16); - bt->key_present = 1; - break; - - case LMP_SRES: - /* data[0-3] Authentication response - */ - if (length < 4) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - break; - - case LMP_CLKOFFSET_REQ: - resp = LMP_CLKOFFSET_RES; - resplen = 3; - respdata[1] = 0x33; - respdata[2] = 0x33; - break; - - case LMP_CLKOFFSET_RES: - /* data[0,1] Clock offset - * (Slave to master only) - */ - if (length < 2) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - break; - - case LMP_VERSION_REQ: - case LMP_VERSION_RES: - /* data[0] VersNr - * data[1,2] CompId - * data[3,4] SubVersNr - */ - if (length < 5) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - if (op == LMP_VERSION_REQ) { - resp = LMP_VERSION_RES; - resplen = 6; - respdata[1] = 0x20; - respdata[2] = 0xff; - respdata[3] = 0xff; - respdata[4] = 0xff; - respdata[5] = 0xff; - } else - resp = 0; - break; - - case LMP_FEATURES_REQ: - case LMP_FEATURES_RES: - /* data[0-7] Features - */ - if (length < 8) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - if (op == LMP_FEATURES_REQ) { - resp = LMP_FEATURES_RES; - resplen = 9; - respdata[1] = (bt->lmp_caps >> 0) & 0xff; - respdata[2] = (bt->lmp_caps >> 8) & 0xff; - respdata[3] = (bt->lmp_caps >> 16) & 0xff; - respdata[4] = (bt->lmp_caps >> 24) & 0xff; - respdata[5] = (bt->lmp_caps >> 32) & 0xff; - respdata[6] = (bt->lmp_caps >> 40) & 0xff; - respdata[7] = (bt->lmp_caps >> 48) & 0xff; - respdata[8] = (bt->lmp_caps >> 56) & 0xff; - } else - resp = 0; - break; - - case LMP_NAME_REQ: - /* data[0] Name offset - */ - if (length < 1) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - resp = LMP_NAME_RES; - resplen = 17; - respdata[1] = data[0]; - respdata[2] = strlen(bt->lmp_name); - memset(respdata + 3, 0x00, 14); - if (respdata[2] > respdata[1]) - memcpy(respdata + 3, bt->lmp_name + respdata[1], - respdata[2] - respdata[1]); - break; - - case LMP_NAME_RES: - /* data[0] Name offset - * data[1] Name length - * data[2-15] Name fragment - */ - if (length < 16) { - error = HCI_UNSUPPORTED_LMP_PARAMETER_VALUE; - goto not_accepted; - } - resp = 0; - break; - - default: - error = HCI_UNKNOWN_LMP_PDU; - /* Fall through */ - not_accepted: - if (op >> 8) { - resp = LMP_NOT_ACCEPTED_EXT; - resplen = 5; - respdata[0] = op >> 8; - respdata[1] = op & 0xff; - respdata[2] = error; - } else { - resp = LMP_NOT_ACCEPTED; - resplen = 3; - respdata[0] = op & 0xff; - respdata[1] = error; - } - } - - if (resp == 0) - return; - - if (resp >> 8) { - respdata[0] = resp >> 8; - respdata[1] = resp & 0xff; - } else - respdata[0] = resp & 0xff; - - respdata[0] <<= 1; - respdata[0] |= tr; -} - -static void bt_submit_raw_acl(struct bt_piconet_s *net, int length, uint8_t *data) -{ - struct bt_device_s *slave; - if (length < 1) - return; - - slave = 0; -#if 0 - slave = net->slave; -#endif - - switch (data[0] & 3) { - case LLID_ACLC: - bt_submit_lmp(slave, length - 1, data + 1); - break; - case LLID_ACLU_START: -#if 0 - bt_sumbit_l2cap(slave, length - 1, data + 1, (data[0] >> 2) & 1); - breka; -#endif - default: - case LLID_ACLU_CONT: - break; - } -} -#endif - -/* HCI layer emulation */ - -/* Note: we could ignore endianness because unswapped handles will still - * be valid as connection identifiers for the guest - they don't have to - * be continuously allocated. We do it though, to preserve similar - * behaviour between hosts. Some things, like the BD_ADDR cannot be - * preserved though (for example if a real hci is used). */ -#define HNDL(raw) cpu_to_le16(raw) - -static const uint8_t bt_event_reserved_mask[8] = { - 0xff, 0x9f, 0xfb, 0xff, 0x07, 0x18, 0x00, 0x00, -}; - - -static void null_hci_send(struct HCIInfo *hci, const uint8_t *data, int len) -{ -} - -static int null_hci_addr_set(struct HCIInfo *hci, const uint8_t *bd_addr) -{ - return -ENOTSUP; -} - -struct HCIInfo null_hci = { - .cmd_send = null_hci_send, - .sco_send = null_hci_send, - .acl_send = null_hci_send, - .bdaddr_set = null_hci_addr_set, -}; - - -static inline uint8_t *bt_hci_event_start(struct bt_hci_s *hci, - int evt, int len) -{ - uint8_t *packet, mask; - int mask_byte; - - if (len > 255) { - error_report("%s: HCI event params too long (%ib)", __func__, len); - exit(-1); - } - - mask_byte = (evt - 1) >> 3; - mask = 1 << ((evt - 1) & 3); - if (mask & bt_event_reserved_mask[mask_byte] & ~hci->event_mask[mask_byte]) - return NULL; - - packet = hci->evt_packet(hci->opaque); - packet[0] = evt; - packet[1] = len; - - return &packet[2]; -} - -static inline void bt_hci_event(struct bt_hci_s *hci, int evt, - void *params, int len) -{ - uint8_t *packet = bt_hci_event_start(hci, evt, len); - - if (!packet) - return; - - if (len) - memcpy(packet, params, len); - - hci->evt_submit(hci->opaque, len + 2); -} - -static inline void bt_hci_event_status(struct bt_hci_s *hci, int status) -{ - evt_cmd_status params = { - .status = status, - .ncmd = 1, - .opcode = hci->last_cmd, - }; - - bt_hci_event(hci, EVT_CMD_STATUS, ¶ms, EVT_CMD_STATUS_SIZE); -} - -static inline void bt_hci_event_complete(struct bt_hci_s *hci, - void *ret, int len) -{ - uint8_t *packet = bt_hci_event_start(hci, EVT_CMD_COMPLETE, - len + EVT_CMD_COMPLETE_SIZE); - evt_cmd_complete *params = (evt_cmd_complete *) packet; - - if (!packet) - return; - - params->ncmd = 1; - params->opcode = hci->last_cmd; - if (len) - memcpy(&packet[EVT_CMD_COMPLETE_SIZE], ret, len); - - hci->evt_submit(hci->opaque, len + EVT_CMD_COMPLETE_SIZE + 2); -} - -static void bt_hci_inquiry_done(void *opaque) -{ - struct bt_hci_s *hci = (struct bt_hci_s *) opaque; - uint8_t status = HCI_SUCCESS; - - if (!hci->lm.periodic) - hci->lm.inquire = 0; - - /* The specification is inconsistent about this one. Page 565 reads - * "The event parameters of Inquiry Complete event will have a summary - * of the result from the Inquiry process, which reports the number of - * nearby Bluetooth devices that responded [so hci->responses].", but - * Event Parameters (see page 729) has only Status. */ - bt_hci_event(hci, EVT_INQUIRY_COMPLETE, &status, 1); -} - -static void bt_hci_inquiry_result_standard(struct bt_hci_s *hci, - struct bt_device_s *slave) -{ - inquiry_info params = { - .num_responses = 1, - .bdaddr = BAINIT(&slave->bd_addr), - .pscan_rep_mode = 0x00, /* R0 */ - .pscan_period_mode = 0x00, /* P0 - deprecated */ - .pscan_mode = 0x00, /* Standard scan - deprecated */ - .dev_class[0] = slave->class[0], - .dev_class[1] = slave->class[1], - .dev_class[2] = slave->class[2], - /* TODO: return the clkoff *differenece* */ - .clock_offset = slave->clkoff, /* Note: no swapping */ - }; - - bt_hci_event(hci, EVT_INQUIRY_RESULT, ¶ms, INQUIRY_INFO_SIZE); -} - -static void bt_hci_inquiry_result_with_rssi(struct bt_hci_s *hci, - struct bt_device_s *slave) -{ - inquiry_info_with_rssi params = { - .num_responses = 1, - .bdaddr = BAINIT(&slave->bd_addr), - .pscan_rep_mode = 0x00, /* R0 */ - .pscan_period_mode = 0x00, /* P0 - deprecated */ - .dev_class[0] = slave->class[0], - .dev_class[1] = slave->class[1], - .dev_class[2] = slave->class[2], - /* TODO: return the clkoff *differenece* */ - .clock_offset = slave->clkoff, /* Note: no swapping */ - .rssi = DEFAULT_RSSI_DBM, - }; - - bt_hci_event(hci, EVT_INQUIRY_RESULT_WITH_RSSI, - ¶ms, INQUIRY_INFO_WITH_RSSI_SIZE); -} - -static void bt_hci_inquiry_result(struct bt_hci_s *hci, - struct bt_device_s *slave) -{ - if (!slave->inquiry_scan || !hci->lm.responses_left) - return; - - hci->lm.responses_left --; - hci->lm.responses ++; - - switch (hci->lm.inquiry_mode) { - case 0x00: - bt_hci_inquiry_result_standard(hci, slave); - return; - case 0x01: - bt_hci_inquiry_result_with_rssi(hci, slave); - return; - default: - error_report("%s: bad inquiry mode %02x", __func__, - hci->lm.inquiry_mode); - exit(-1); - } -} - -static void bt_hci_mod_timer_1280ms(QEMUTimer *timer, int period) -{ - timer_mod(timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - (uint64_t)(period << 7) * 10000000); -} - -static void bt_hci_inquiry_start(struct bt_hci_s *hci, int length) -{ - struct bt_device_s *slave; - - hci->lm.inquiry_length = length; - for (slave = hci->device.net->slave; slave; slave = slave->next) - /* Don't uncover ourselves. */ - if (slave != &hci->device) - bt_hci_inquiry_result(hci, slave); - - /* TODO: register for a callback on a new device's addition to the - * scatternet so that if it's added before inquiry_length expires, - * an Inquiry Result is generated immediately. Alternatively re-loop - * through the devices on the inquiry_length expiration and report - * devices not seen before. */ - if (hci->lm.responses_left) - bt_hci_mod_timer_1280ms(hci->lm.inquiry_done, hci->lm.inquiry_length); - else - bt_hci_inquiry_done(hci); - - if (hci->lm.periodic) - bt_hci_mod_timer_1280ms(hci->lm.inquiry_next, hci->lm.inquiry_period); -} - -static void bt_hci_inquiry_next(void *opaque) -{ - struct bt_hci_s *hci = (struct bt_hci_s *) opaque; - - hci->lm.responses_left += hci->lm.responses; - hci->lm.responses = 0; - bt_hci_inquiry_start(hci, hci->lm.inquiry_length); -} - -static inline int bt_hci_handle_bad(struct bt_hci_s *hci, uint16_t handle) -{ - return !(handle & HCI_HANDLE_OFFSET) || - handle >= (HCI_HANDLE_OFFSET | HCI_HANDLES_MAX) || - !hci->lm.handle[handle & ~HCI_HANDLE_OFFSET].link; -} - -static inline int bt_hci_role_master(struct bt_hci_s *hci, uint16_t handle) -{ - return !!(hci->lm.role_bmp & (1 << (handle & ~HCI_HANDLE_OFFSET))); -} - -static inline struct bt_device_s *bt_hci_remote_dev(struct bt_hci_s *hci, - uint16_t handle) -{ - struct bt_link_s *link = hci->lm.handle[handle & ~HCI_HANDLE_OFFSET].link; - - return bt_hci_role_master(hci, handle) ? link->slave : link->host; -} - -static void bt_hci_mode_tick(void *opaque); -static void bt_hci_lmp_link_establish(struct bt_hci_s *hci, - struct bt_link_s *link, int master) -{ - hci->lm.handle[hci->lm.last_handle].link = link; - - if (master) { - /* We are the master side of an ACL link */ - hci->lm.role_bmp |= 1 << hci->lm.last_handle; - - hci->lm.handle[hci->lm.last_handle].lmp_acl_data = - link->slave->lmp_acl_data; - } else { - /* We are the slave side of an ACL link */ - hci->lm.role_bmp &= ~(1 << hci->lm.last_handle); - - hci->lm.handle[hci->lm.last_handle].lmp_acl_data = - link->host->lmp_acl_resp; - } - - /* Mode */ - if (master) { - link->acl_mode = acl_active; - hci->lm.handle[hci->lm.last_handle].acl_mode_timer = - timer_new_ns(QEMU_CLOCK_VIRTUAL, bt_hci_mode_tick, link); - } -} - -static void bt_hci_lmp_link_teardown(struct bt_hci_s *hci, uint16_t handle) -{ - handle &= ~HCI_HANDLE_OFFSET; - hci->lm.handle[handle].link = NULL; - - if (bt_hci_role_master(hci, handle)) { - timer_del(hci->lm.handle[handle].acl_mode_timer); - timer_free(hci->lm.handle[handle].acl_mode_timer); - } -} - -static int bt_hci_connect(struct bt_hci_s *hci, bdaddr_t *bdaddr) -{ - struct bt_device_s *slave; - struct bt_link_s link; - - for (slave = hci->device.net->slave; slave; slave = slave->next) - if (slave->page_scan && !bacmp(&slave->bd_addr, bdaddr)) - break; - if (!slave || slave == &hci->device) - return -ENODEV; - - bacpy(&hci->lm.awaiting_bdaddr[hci->lm.connecting ++], &slave->bd_addr); - - link.slave = slave; - link.host = &hci->device; - link.slave->lmp_connection_request(&link); /* Always last */ - - return 0; -} - -static void bt_hci_connection_reject(struct bt_hci_s *hci, - struct bt_device_s *host, uint8_t because) -{ - struct bt_link_s link = { - .slave = &hci->device, - .host = host, - /* Rest uninitialised */ - }; - - host->reject_reason = because; - host->lmp_connection_complete(&link); -} - -static void bt_hci_connection_reject_event(struct bt_hci_s *hci, - bdaddr_t *bdaddr) -{ - evt_conn_complete params; - - params.status = HCI_NO_CONNECTION; - params.handle = 0; - bacpy(¶ms.bdaddr, bdaddr); - params.link_type = ACL_LINK; - params.encr_mode = 0x00; /* Encryption not required */ - bt_hci_event(hci, EVT_CONN_COMPLETE, ¶ms, EVT_CONN_COMPLETE_SIZE); -} - -static void bt_hci_connection_accept(struct bt_hci_s *hci, - struct bt_device_s *host) -{ - struct bt_hci_link_s *link = g_malloc0(sizeof(struct bt_hci_link_s)); - evt_conn_complete params; - uint16_t handle; - uint8_t status = HCI_SUCCESS; - int tries = HCI_HANDLES_MAX; - - /* Make a connection handle */ - do { - while (hci->lm.handle[++ hci->lm.last_handle].link && -- tries) - hci->lm.last_handle &= HCI_HANDLES_MAX - 1; - handle = hci->lm.last_handle | HCI_HANDLE_OFFSET; - } while ((handle == hci->asb_handle || handle == hci->psb_handle) && - tries); - - if (!tries) { - g_free(link); - bt_hci_connection_reject(hci, host, HCI_REJECTED_LIMITED_RESOURCES); - status = HCI_NO_CONNECTION; - goto complete; - } - - link->btlink.slave = &hci->device; - link->btlink.host = host; - link->handle = handle; - - /* Link established */ - bt_hci_lmp_link_establish(hci, &link->btlink, 0); - -complete: - params.status = status; - params.handle = HNDL(handle); - bacpy(¶ms.bdaddr, &host->bd_addr); - params.link_type = ACL_LINK; - params.encr_mode = 0x00; /* Encryption not required */ - bt_hci_event(hci, EVT_CONN_COMPLETE, ¶ms, EVT_CONN_COMPLETE_SIZE); - - /* Neets to be done at the very end because it can trigger a (nested) - * disconnected, in case the other and had cancelled the request - * locally. */ - if (status == HCI_SUCCESS) { - host->reject_reason = 0; - host->lmp_connection_complete(&link->btlink); - } -} - -static void bt_hci_lmp_connection_request(struct bt_link_s *link) -{ - struct bt_hci_s *hci = hci_from_device(link->slave); - evt_conn_request params; - - if (hci->conn_req_host) { - bt_hci_connection_reject(hci, link->host, - HCI_REJECTED_LIMITED_RESOURCES); - return; - } - hci->conn_req_host = link->host; - /* TODO: if masked and auto-accept, then auto-accept, - * if masked and not auto-accept, then auto-reject */ - /* TODO: kick the hci->conn_accept_timer, timeout after - * hci->conn_accept_tout * 0.625 msec */ - - bacpy(¶ms.bdaddr, &link->host->bd_addr); - memcpy(¶ms.dev_class, &link->host->class, sizeof(params.dev_class)); - params.link_type = ACL_LINK; - bt_hci_event(hci, EVT_CONN_REQUEST, ¶ms, EVT_CONN_REQUEST_SIZE); -} - -static void bt_hci_conn_accept_timeout(void *opaque) -{ - struct bt_hci_s *hci = (struct bt_hci_s *) opaque; - - if (!hci->conn_req_host) - /* Already accepted or rejected. If the other end cancelled the - * connection request then we still have to reject or accept it - * and then we'll get a disconnect. */ - return; - - /* TODO */ -} - -/* Remove from the list of devices which we wanted to connect to and - * are awaiting a response from. If the callback sees a response from - * a device which is not on the list it will assume it's a connection - * that's been cancelled by the host in the meantime and immediately - * try to detach the link and send a Connection Complete. */ -static int bt_hci_lmp_connection_ready(struct bt_hci_s *hci, - bdaddr_t *bdaddr) -{ - int i; - - for (i = 0; i < hci->lm.connecting; i ++) - if (!bacmp(&hci->lm.awaiting_bdaddr[i], bdaddr)) { - if (i < -- hci->lm.connecting) - bacpy(&hci->lm.awaiting_bdaddr[i], - &hci->lm.awaiting_bdaddr[hci->lm.connecting]); - return 0; - } - - return 1; -} - -static void bt_hci_lmp_connection_complete(struct bt_link_s *link) -{ - struct bt_hci_s *hci = hci_from_device(link->host); - evt_conn_complete params; - uint16_t handle; - uint8_t status = HCI_SUCCESS; - int tries = HCI_HANDLES_MAX; - - if (bt_hci_lmp_connection_ready(hci, &link->slave->bd_addr)) { - if (!hci->device.reject_reason) - link->slave->lmp_disconnect_slave(link); - handle = 0; - status = HCI_NO_CONNECTION; - goto complete; - } - - if (hci->device.reject_reason) { - handle = 0; - status = hci->device.reject_reason; - goto complete; - } - - /* Make a connection handle */ - do { - while (hci->lm.handle[++ hci->lm.last_handle].link && -- tries) - hci->lm.last_handle &= HCI_HANDLES_MAX - 1; - handle = hci->lm.last_handle | HCI_HANDLE_OFFSET; - } while ((handle == hci->asb_handle || handle == hci->psb_handle) && - tries); - - if (!tries) { - link->slave->lmp_disconnect_slave(link); - status = HCI_NO_CONNECTION; - goto complete; - } - - /* Link established */ - link->handle = handle; - bt_hci_lmp_link_establish(hci, link, 1); - -complete: - params.status = status; - params.handle = HNDL(handle); - params.link_type = ACL_LINK; - bacpy(¶ms.bdaddr, &link->slave->bd_addr); - params.encr_mode = 0x00; /* Encryption not required */ - bt_hci_event(hci, EVT_CONN_COMPLETE, ¶ms, EVT_CONN_COMPLETE_SIZE); -} - -static void bt_hci_disconnect(struct bt_hci_s *hci, - uint16_t handle, int reason) -{ - struct bt_link_s *btlink = - hci->lm.handle[handle & ~HCI_HANDLE_OFFSET].link; - struct bt_hci_link_s *link; - evt_disconn_complete params; - - if (bt_hci_role_master(hci, handle)) { - btlink->slave->reject_reason = reason; - btlink->slave->lmp_disconnect_slave(btlink); - /* The link pointer is invalid from now on */ - - goto complete; - } - - btlink->host->reject_reason = reason; - btlink->host->lmp_disconnect_master(btlink); - - /* We are the slave, we get to clean this burden */ - link = (struct bt_hci_link_s *) btlink; - g_free(link); - -complete: - bt_hci_lmp_link_teardown(hci, handle); - - params.status = HCI_SUCCESS; - params.handle = HNDL(handle); - params.reason = HCI_CONNECTION_TERMINATED; - bt_hci_event(hci, EVT_DISCONN_COMPLETE, - ¶ms, EVT_DISCONN_COMPLETE_SIZE); -} - -/* TODO: use only one function */ -static void bt_hci_lmp_disconnect_host(struct bt_link_s *link) -{ - struct bt_hci_s *hci = hci_from_device(link->host); - uint16_t handle = link->handle; - evt_disconn_complete params; - - bt_hci_lmp_link_teardown(hci, handle); - - params.status = HCI_SUCCESS; - params.handle = HNDL(handle); - params.reason = hci->device.reject_reason; - bt_hci_event(hci, EVT_DISCONN_COMPLETE, - ¶ms, EVT_DISCONN_COMPLETE_SIZE); -} - -static void bt_hci_lmp_disconnect_slave(struct bt_link_s *btlink) -{ - struct bt_hci_link_s *link = (struct bt_hci_link_s *) btlink; - struct bt_hci_s *hci = hci_from_device(btlink->slave); - uint16_t handle = link->handle; - evt_disconn_complete params; - - g_free(link); - - bt_hci_lmp_link_teardown(hci, handle); - - params.status = HCI_SUCCESS; - params.handle = HNDL(handle); - params.reason = hci->device.reject_reason; - bt_hci_event(hci, EVT_DISCONN_COMPLETE, - ¶ms, EVT_DISCONN_COMPLETE_SIZE); -} - -static int bt_hci_name_req(struct bt_hci_s *hci, bdaddr_t *bdaddr) -{ - struct bt_device_s *slave; - evt_remote_name_req_complete params; - - for (slave = hci->device.net->slave; slave; slave = slave->next) - if (slave->page_scan && !bacmp(&slave->bd_addr, bdaddr)) - break; - if (!slave) - return -ENODEV; - - bt_hci_event_status(hci, HCI_SUCCESS); - - params.status = HCI_SUCCESS; - bacpy(¶ms.bdaddr, &slave->bd_addr); - pstrcpy(params.name, sizeof(params.name), slave->lmp_name ?: ""); - bt_hci_event(hci, EVT_REMOTE_NAME_REQ_COMPLETE, - ¶ms, EVT_REMOTE_NAME_REQ_COMPLETE_SIZE); - - return 0; -} - -static int bt_hci_features_req(struct bt_hci_s *hci, uint16_t handle) -{ - struct bt_device_s *slave; - evt_read_remote_features_complete params; - - if (bt_hci_handle_bad(hci, handle)) - return -ENODEV; - - slave = bt_hci_remote_dev(hci, handle); - - bt_hci_event_status(hci, HCI_SUCCESS); - - params.status = HCI_SUCCESS; - params.handle = HNDL(handle); - params.features[0] = (slave->lmp_caps >> 0) & 0xff; - params.features[1] = (slave->lmp_caps >> 8) & 0xff; - params.features[2] = (slave->lmp_caps >> 16) & 0xff; - params.features[3] = (slave->lmp_caps >> 24) & 0xff; - params.features[4] = (slave->lmp_caps >> 32) & 0xff; - params.features[5] = (slave->lmp_caps >> 40) & 0xff; - params.features[6] = (slave->lmp_caps >> 48) & 0xff; - params.features[7] = (slave->lmp_caps >> 56) & 0xff; - bt_hci_event(hci, EVT_READ_REMOTE_FEATURES_COMPLETE, - ¶ms, EVT_READ_REMOTE_FEATURES_COMPLETE_SIZE); - - return 0; -} - -static int bt_hci_version_req(struct bt_hci_s *hci, uint16_t handle) -{ - evt_read_remote_version_complete params; - - if (bt_hci_handle_bad(hci, handle)) - return -ENODEV; - - bt_hci_remote_dev(hci, handle); - - bt_hci_event_status(hci, HCI_SUCCESS); - - params.status = HCI_SUCCESS; - params.handle = HNDL(handle); - params.lmp_ver = 0x03; - params.manufacturer = cpu_to_le16(0xa000); - params.lmp_subver = cpu_to_le16(0xa607); - bt_hci_event(hci, EVT_READ_REMOTE_VERSION_COMPLETE, - ¶ms, EVT_READ_REMOTE_VERSION_COMPLETE_SIZE); - - return 0; -} - -static int bt_hci_clkoffset_req(struct bt_hci_s *hci, uint16_t handle) -{ - struct bt_device_s *slave; - evt_read_clock_offset_complete params; - - if (bt_hci_handle_bad(hci, handle)) - return -ENODEV; - - slave = bt_hci_remote_dev(hci, handle); - - bt_hci_event_status(hci, HCI_SUCCESS); - - params.status = HCI_SUCCESS; - params.handle = HNDL(handle); - /* TODO: return the clkoff *differenece* */ - params.clock_offset = slave->clkoff; /* Note: no swapping */ - bt_hci_event(hci, EVT_READ_CLOCK_OFFSET_COMPLETE, - ¶ms, EVT_READ_CLOCK_OFFSET_COMPLETE_SIZE); - - return 0; -} - -static void bt_hci_event_mode(struct bt_hci_s *hci, struct bt_link_s *link, - uint16_t handle) -{ - evt_mode_change params = { - .status = HCI_SUCCESS, - .handle = HNDL(handle), - .mode = link->acl_mode, - .interval = cpu_to_le16(link->acl_interval), - }; - - bt_hci_event(hci, EVT_MODE_CHANGE, ¶ms, EVT_MODE_CHANGE_SIZE); -} - -static void bt_hci_lmp_mode_change_master(struct bt_hci_s *hci, - struct bt_link_s *link, int mode, uint16_t interval) -{ - link->acl_mode = mode; - link->acl_interval = interval; - - bt_hci_event_mode(hci, link, link->handle); - - link->slave->lmp_mode_change(link); -} - -static void bt_hci_lmp_mode_change_slave(struct bt_link_s *btlink) -{ - struct bt_hci_link_s *link = (struct bt_hci_link_s *) btlink; - struct bt_hci_s *hci = hci_from_device(btlink->slave); - - bt_hci_event_mode(hci, btlink, link->handle); -} - -static int bt_hci_mode_change(struct bt_hci_s *hci, uint16_t handle, - int interval, int mode) -{ - struct bt_hci_master_link_s *link; - - if (bt_hci_handle_bad(hci, handle) || !bt_hci_role_master(hci, handle)) - return -ENODEV; - - link = &hci->lm.handle[handle & ~HCI_HANDLE_OFFSET]; - if (link->link->acl_mode != acl_active) { - bt_hci_event_status(hci, HCI_COMMAND_DISALLOWED); - return 0; - } - - bt_hci_event_status(hci, HCI_SUCCESS); - - timer_mod(link->acl_mode_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - ((uint64_t)interval * 625) * 1000); - bt_hci_lmp_mode_change_master(hci, link->link, mode, interval); - - return 0; -} - -static int bt_hci_mode_cancel(struct bt_hci_s *hci, uint16_t handle, int mode) -{ - struct bt_hci_master_link_s *link; - - if (bt_hci_handle_bad(hci, handle) || !bt_hci_role_master(hci, handle)) - return -ENODEV; - - link = &hci->lm.handle[handle & ~HCI_HANDLE_OFFSET]; - if (link->link->acl_mode != mode) { - bt_hci_event_status(hci, HCI_COMMAND_DISALLOWED); - - return 0; - } - - bt_hci_event_status(hci, HCI_SUCCESS); - - timer_del(link->acl_mode_timer); - bt_hci_lmp_mode_change_master(hci, link->link, acl_active, 0); - - return 0; -} - -static void bt_hci_mode_tick(void *opaque) -{ - struct bt_link_s *link = opaque; - struct bt_hci_s *hci = hci_from_device(link->host); - - bt_hci_lmp_mode_change_master(hci, link, acl_active, 0); -} - -static void bt_hci_reset(struct bt_hci_s *hci) -{ - hci->acl_len = 0; - hci->last_cmd = 0; - hci->lm.connecting = 0; - - hci->event_mask[0] = 0xff; - hci->event_mask[1] = 0xff; - hci->event_mask[2] = 0xff; - hci->event_mask[3] = 0xff; - hci->event_mask[4] = 0xff; - hci->event_mask[5] = 0x1f; - hci->event_mask[6] = 0x00; - hci->event_mask[7] = 0x00; - hci->device.inquiry_scan = 0; - hci->device.page_scan = 0; - g_free((void *) hci->device.lmp_name); - hci->device.lmp_name = NULL; - hci->device.class[0] = 0x00; - hci->device.class[1] = 0x00; - hci->device.class[2] = 0x00; - hci->voice_setting = 0x0000; - hci->conn_accept_tout = 0x1f40; - hci->lm.inquiry_mode = 0x00; - - hci->psb_handle = 0x000; - hci->asb_handle = 0x000; - - /* XXX: timer_del(sl->acl_mode_timer); for all links */ - timer_del(hci->lm.inquiry_done); - timer_del(hci->lm.inquiry_next); - timer_del(hci->conn_accept_timer); -} - -static void bt_hci_read_local_version_rp(struct bt_hci_s *hci) -{ - read_local_version_rp lv = { - .status = HCI_SUCCESS, - .hci_ver = 0x03, - .hci_rev = cpu_to_le16(0xa607), - .lmp_ver = 0x03, - .manufacturer = cpu_to_le16(0xa000), - .lmp_subver = cpu_to_le16(0xa607), - }; - - bt_hci_event_complete(hci, &lv, READ_LOCAL_VERSION_RP_SIZE); -} - -static void bt_hci_read_local_commands_rp(struct bt_hci_s *hci) -{ - read_local_commands_rp lc = { - .status = HCI_SUCCESS, - .commands = { - /* Keep updated! */ - /* Also, keep in sync with hci->device.lmp_caps in bt_new_hci */ - 0xbf, 0x80, 0xf9, 0x03, 0xb2, 0xc0, 0x03, 0xc3, - 0x00, 0x0f, 0x80, 0x00, 0xc0, 0x00, 0xe8, 0x13, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - }, - }; - - bt_hci_event_complete(hci, &lc, READ_LOCAL_COMMANDS_RP_SIZE); -} - -static void bt_hci_read_local_features_rp(struct bt_hci_s *hci) -{ - read_local_features_rp lf = { - .status = HCI_SUCCESS, - .features = { - (hci->device.lmp_caps >> 0) & 0xff, - (hci->device.lmp_caps >> 8) & 0xff, - (hci->device.lmp_caps >> 16) & 0xff, - (hci->device.lmp_caps >> 24) & 0xff, - (hci->device.lmp_caps >> 32) & 0xff, - (hci->device.lmp_caps >> 40) & 0xff, - (hci->device.lmp_caps >> 48) & 0xff, - (hci->device.lmp_caps >> 56) & 0xff, - }, - }; - - bt_hci_event_complete(hci, &lf, READ_LOCAL_FEATURES_RP_SIZE); -} - -static void bt_hci_read_local_ext_features_rp(struct bt_hci_s *hci, int page) -{ - read_local_ext_features_rp lef = { - .status = HCI_SUCCESS, - .page_num = page, - .max_page_num = 0x00, - .features = { - /* Keep updated! */ - 0x5f, 0x35, 0x85, 0x7e, 0x9b, 0x19, 0x00, 0x80, - }, - }; - if (page) - memset(lef.features, 0, sizeof(lef.features)); - - bt_hci_event_complete(hci, &lef, READ_LOCAL_EXT_FEATURES_RP_SIZE); -} - -static void bt_hci_read_buffer_size_rp(struct bt_hci_s *hci) -{ - read_buffer_size_rp bs = { - /* This can be made configurable, for one standard USB dongle HCI - * the four values are cpu_to_le16(0x0180), 0x40, - * cpu_to_le16(0x0008), cpu_to_le16(0x0008). */ - .status = HCI_SUCCESS, - .acl_mtu = cpu_to_le16(0x0200), - .sco_mtu = 0, - .acl_max_pkt = cpu_to_le16(0x0001), - .sco_max_pkt = cpu_to_le16(0x0000), - }; - - bt_hci_event_complete(hci, &bs, READ_BUFFER_SIZE_RP_SIZE); -} - -/* Deprecated in V2.0 (page 661) */ -static void bt_hci_read_country_code_rp(struct bt_hci_s *hci) -{ - read_country_code_rp cc ={ - .status = HCI_SUCCESS, - .country_code = 0x00, /* North America & Europe^1 and Japan */ - }; - - bt_hci_event_complete(hci, &cc, READ_COUNTRY_CODE_RP_SIZE); - - /* ^1. Except France, sorry */ -} - -static void bt_hci_read_bd_addr_rp(struct bt_hci_s *hci) -{ - read_bd_addr_rp ba = { - .status = HCI_SUCCESS, - .bdaddr = BAINIT(&hci->device.bd_addr), - }; - - bt_hci_event_complete(hci, &ba, READ_BD_ADDR_RP_SIZE); -} - -static int bt_hci_link_quality_rp(struct bt_hci_s *hci, uint16_t handle) -{ - read_link_quality_rp lq = { - .status = HCI_SUCCESS, - .handle = HNDL(handle), - .link_quality = 0xff, - }; - - if (bt_hci_handle_bad(hci, handle)) - lq.status = HCI_NO_CONNECTION; - - bt_hci_event_complete(hci, &lq, READ_LINK_QUALITY_RP_SIZE); - return 0; -} - -/* Generate a Command Complete event with only the Status parameter */ -static inline void bt_hci_event_complete_status(struct bt_hci_s *hci, - uint8_t status) -{ - bt_hci_event_complete(hci, &status, 1); -} - -static inline void bt_hci_event_complete_conn_cancel(struct bt_hci_s *hci, - uint8_t status, bdaddr_t *bd_addr) -{ - create_conn_cancel_rp params = { - .status = status, - .bdaddr = BAINIT(bd_addr), - }; - - bt_hci_event_complete(hci, ¶ms, CREATE_CONN_CANCEL_RP_SIZE); -} - -static inline void bt_hci_event_auth_complete(struct bt_hci_s *hci, - uint16_t handle) -{ - evt_auth_complete params = { - .status = HCI_SUCCESS, - .handle = HNDL(handle), - }; - - bt_hci_event(hci, EVT_AUTH_COMPLETE, ¶ms, EVT_AUTH_COMPLETE_SIZE); -} - -static inline void bt_hci_event_encrypt_change(struct bt_hci_s *hci, - uint16_t handle, uint8_t mode) -{ - evt_encrypt_change params = { - .status = HCI_SUCCESS, - .handle = HNDL(handle), - .encrypt = mode, - }; - - bt_hci_event(hci, EVT_ENCRYPT_CHANGE, ¶ms, EVT_ENCRYPT_CHANGE_SIZE); -} - -static inline void bt_hci_event_complete_name_cancel(struct bt_hci_s *hci, - bdaddr_t *bd_addr) -{ - remote_name_req_cancel_rp params = { - .status = HCI_INVALID_PARAMETERS, - .bdaddr = BAINIT(bd_addr), - }; - - bt_hci_event_complete(hci, ¶ms, REMOTE_NAME_REQ_CANCEL_RP_SIZE); -} - -static inline void bt_hci_event_read_remote_ext_features(struct bt_hci_s *hci, - uint16_t handle) -{ - evt_read_remote_ext_features_complete params = { - .status = HCI_UNSUPPORTED_FEATURE, - .handle = HNDL(handle), - /* Rest uninitialised */ - }; - - bt_hci_event(hci, EVT_READ_REMOTE_EXT_FEATURES_COMPLETE, - ¶ms, EVT_READ_REMOTE_EXT_FEATURES_COMPLETE_SIZE); -} - -static inline void bt_hci_event_complete_lmp_handle(struct bt_hci_s *hci, - uint16_t handle) -{ - read_lmp_handle_rp params = { - .status = HCI_NO_CONNECTION, - .handle = HNDL(handle), - .reserved = 0, - /* Rest uninitialised */ - }; - - bt_hci_event_complete(hci, ¶ms, READ_LMP_HANDLE_RP_SIZE); -} - -static inline void bt_hci_event_complete_role_discovery(struct bt_hci_s *hci, - int status, uint16_t handle, int master) -{ - role_discovery_rp params = { - .status = status, - .handle = HNDL(handle), - .role = master ? 0x00 : 0x01, - }; - - bt_hci_event_complete(hci, ¶ms, ROLE_DISCOVERY_RP_SIZE); -} - -static inline void bt_hci_event_complete_flush(struct bt_hci_s *hci, - int status, uint16_t handle) -{ - flush_rp params = { - .status = status, - .handle = HNDL(handle), - }; - - bt_hci_event_complete(hci, ¶ms, FLUSH_RP_SIZE); -} - -static inline void bt_hci_event_complete_read_local_name(struct bt_hci_s *hci) -{ - read_local_name_rp params; - params.status = HCI_SUCCESS; - memset(params.name, 0, sizeof(params.name)); - if (hci->device.lmp_name) - pstrcpy(params.name, sizeof(params.name), hci->device.lmp_name); - - bt_hci_event_complete(hci, ¶ms, READ_LOCAL_NAME_RP_SIZE); -} - -static inline void bt_hci_event_complete_read_conn_accept_timeout( - struct bt_hci_s *hci) -{ - read_conn_accept_timeout_rp params = { - .status = HCI_SUCCESS, - .timeout = cpu_to_le16(hci->conn_accept_tout), - }; - - bt_hci_event_complete(hci, ¶ms, READ_CONN_ACCEPT_TIMEOUT_RP_SIZE); -} - -static inline void bt_hci_event_complete_read_scan_enable(struct bt_hci_s *hci) -{ - read_scan_enable_rp params = { - .status = HCI_SUCCESS, - .enable = - (hci->device.inquiry_scan ? SCAN_INQUIRY : 0) | - (hci->device.page_scan ? SCAN_PAGE : 0), - }; - - bt_hci_event_complete(hci, ¶ms, READ_SCAN_ENABLE_RP_SIZE); -} - -static inline void bt_hci_event_complete_read_local_class(struct bt_hci_s *hci) -{ - read_class_of_dev_rp params; - - params.status = HCI_SUCCESS; - memcpy(params.dev_class, hci->device.class, sizeof(params.dev_class)); - - bt_hci_event_complete(hci, ¶ms, READ_CLASS_OF_DEV_RP_SIZE); -} - -static inline void bt_hci_event_complete_voice_setting(struct bt_hci_s *hci) -{ - read_voice_setting_rp params = { - .status = HCI_SUCCESS, - .voice_setting = hci->voice_setting, /* Note: no swapping */ - }; - - bt_hci_event_complete(hci, ¶ms, READ_VOICE_SETTING_RP_SIZE); -} - -static inline void bt_hci_event_complete_read_inquiry_mode( - struct bt_hci_s *hci) -{ - read_inquiry_mode_rp params = { - .status = HCI_SUCCESS, - .mode = hci->lm.inquiry_mode, - }; - - bt_hci_event_complete(hci, ¶ms, READ_INQUIRY_MODE_RP_SIZE); -} - -static inline void bt_hci_event_num_comp_pkts(struct bt_hci_s *hci, - uint16_t handle, int packets) -{ - uint16_t buf[EVT_NUM_COMP_PKTS_SIZE(1) / 2 + 1]; - evt_num_comp_pkts *params = (void *) ((uint8_t *) buf + 1); - - params->num_hndl = 1; - params->connection->handle = HNDL(handle); - params->connection->num_packets = cpu_to_le16(packets); - - bt_hci_event(hci, EVT_NUM_COMP_PKTS, params, EVT_NUM_COMP_PKTS_SIZE(1)); -} - -static void bt_submit_hci(struct HCIInfo *info, - const uint8_t *data, int length) -{ - struct bt_hci_s *hci = hci_from_info(info); - uint16_t cmd; - int paramlen, i; - - if (length < HCI_COMMAND_HDR_SIZE) - goto short_hci; - - memcpy(&hci->last_cmd, data, 2); - - cmd = (data[1] << 8) | data[0]; - paramlen = data[2]; - if (cmd_opcode_ogf(cmd) == 0 || cmd_opcode_ocf(cmd) == 0) /* NOP */ - return; - - data += HCI_COMMAND_HDR_SIZE; - length -= HCI_COMMAND_HDR_SIZE; - - if (paramlen > length) - return; - -#define PARAM(cmd, param) (((cmd##_cp *) data)->param) -#define PARAM16(cmd, param) lduw_le_p(&PARAM(cmd, param)) -#define PARAMHANDLE(cmd) PARAM16(cmd, handle) -#define LENGTH_CHECK(cmd) if (length < sizeof(cmd##_cp)) goto short_hci - /* Note: the supported commands bitmask in bt_hci_read_local_commands_rp - * needs to be updated every time a command is implemented here! */ - switch (cmd) { - case cmd_opcode_pack(OGF_LINK_CTL, OCF_INQUIRY): - LENGTH_CHECK(inquiry); - - if (PARAM(inquiry, length) < 1) { - bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); - break; - } - - hci->lm.inquire = 1; - hci->lm.periodic = 0; - hci->lm.responses_left = PARAM(inquiry, num_rsp) ?: INT_MAX; - hci->lm.responses = 0; - bt_hci_event_status(hci, HCI_SUCCESS); - bt_hci_inquiry_start(hci, PARAM(inquiry, length)); - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_INQUIRY_CANCEL): - if (!hci->lm.inquire || hci->lm.periodic) { - fprintf(stderr, "%s: Inquiry Cancel should only be issued after " - "the Inquiry command has been issued, a Command " - "Status event has been received for the Inquiry " - "command, and before the Inquiry Complete event " - "occurs", __func__); - bt_hci_event_complete_status(hci, HCI_COMMAND_DISALLOWED); - break; - } - - hci->lm.inquire = 0; - timer_del(hci->lm.inquiry_done); - bt_hci_event_complete_status(hci, HCI_SUCCESS); - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_PERIODIC_INQUIRY): - LENGTH_CHECK(periodic_inquiry); - - if (!(PARAM(periodic_inquiry, length) < - PARAM16(periodic_inquiry, min_period) && - PARAM16(periodic_inquiry, min_period) < - PARAM16(periodic_inquiry, max_period)) || - PARAM(periodic_inquiry, length) < 1 || - PARAM16(periodic_inquiry, min_period) < 2 || - PARAM16(periodic_inquiry, max_period) < 3) { - bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); - break; - } - - hci->lm.inquire = 1; - hci->lm.periodic = 1; - hci->lm.responses_left = PARAM(periodic_inquiry, num_rsp); - hci->lm.responses = 0; - hci->lm.inquiry_period = PARAM16(periodic_inquiry, max_period); - bt_hci_event_complete_status(hci, HCI_SUCCESS); - bt_hci_inquiry_start(hci, PARAM(periodic_inquiry, length)); - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_EXIT_PERIODIC_INQUIRY): - if (!hci->lm.inquire || !hci->lm.periodic) { - fprintf(stderr, "%s: Inquiry Cancel should only be issued after " - "the Inquiry command has been issued, a Command " - "Status event has been received for the Inquiry " - "command, and before the Inquiry Complete event " - "occurs", __func__); - bt_hci_event_complete_status(hci, HCI_COMMAND_DISALLOWED); - break; - } - hci->lm.inquire = 0; - timer_del(hci->lm.inquiry_done); - timer_del(hci->lm.inquiry_next); - bt_hci_event_complete_status(hci, HCI_SUCCESS); - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_CREATE_CONN): - LENGTH_CHECK(create_conn); - - if (hci->lm.connecting >= HCI_HANDLES_MAX) { - bt_hci_event_status(hci, HCI_REJECTED_LIMITED_RESOURCES); - break; - } - bt_hci_event_status(hci, HCI_SUCCESS); - - if (bt_hci_connect(hci, &PARAM(create_conn, bdaddr))) - bt_hci_connection_reject_event(hci, &PARAM(create_conn, bdaddr)); - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_DISCONNECT): - LENGTH_CHECK(disconnect); - - if (bt_hci_handle_bad(hci, PARAMHANDLE(disconnect))) { - bt_hci_event_status(hci, HCI_NO_CONNECTION); - break; - } - - bt_hci_event_status(hci, HCI_SUCCESS); - bt_hci_disconnect(hci, PARAMHANDLE(disconnect), - PARAM(disconnect, reason)); - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_CREATE_CONN_CANCEL): - LENGTH_CHECK(create_conn_cancel); - - if (bt_hci_lmp_connection_ready(hci, - &PARAM(create_conn_cancel, bdaddr))) { - for (i = 0; i < HCI_HANDLES_MAX; i ++) - if (bt_hci_role_master(hci, i) && hci->lm.handle[i].link && - !bacmp(&hci->lm.handle[i].link->slave->bd_addr, - &PARAM(create_conn_cancel, bdaddr))) - break; - - bt_hci_event_complete_conn_cancel(hci, i < HCI_HANDLES_MAX ? - HCI_ACL_CONNECTION_EXISTS : HCI_NO_CONNECTION, - &PARAM(create_conn_cancel, bdaddr)); - } else - bt_hci_event_complete_conn_cancel(hci, HCI_SUCCESS, - &PARAM(create_conn_cancel, bdaddr)); - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_ACCEPT_CONN_REQ): - LENGTH_CHECK(accept_conn_req); - - if (!hci->conn_req_host || - bacmp(&PARAM(accept_conn_req, bdaddr), - &hci->conn_req_host->bd_addr)) { - bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); - break; - } - - bt_hci_event_status(hci, HCI_SUCCESS); - bt_hci_connection_accept(hci, hci->conn_req_host); - hci->conn_req_host = NULL; - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_REJECT_CONN_REQ): - LENGTH_CHECK(reject_conn_req); - - if (!hci->conn_req_host || - bacmp(&PARAM(reject_conn_req, bdaddr), - &hci->conn_req_host->bd_addr)) { - bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); - break; - } - - bt_hci_event_status(hci, HCI_SUCCESS); - bt_hci_connection_reject(hci, hci->conn_req_host, - PARAM(reject_conn_req, reason)); - bt_hci_connection_reject_event(hci, &hci->conn_req_host->bd_addr); - hci->conn_req_host = NULL; - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_AUTH_REQUESTED): - LENGTH_CHECK(auth_requested); - - if (bt_hci_handle_bad(hci, PARAMHANDLE(auth_requested))) - bt_hci_event_status(hci, HCI_NO_CONNECTION); - else { - bt_hci_event_status(hci, HCI_SUCCESS); - bt_hci_event_auth_complete(hci, PARAMHANDLE(auth_requested)); - } - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_SET_CONN_ENCRYPT): - LENGTH_CHECK(set_conn_encrypt); - - if (bt_hci_handle_bad(hci, PARAMHANDLE(set_conn_encrypt))) - bt_hci_event_status(hci, HCI_NO_CONNECTION); - else { - bt_hci_event_status(hci, HCI_SUCCESS); - bt_hci_event_encrypt_change(hci, - PARAMHANDLE(set_conn_encrypt), - PARAM(set_conn_encrypt, encrypt)); - } - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_REMOTE_NAME_REQ): - LENGTH_CHECK(remote_name_req); - - if (bt_hci_name_req(hci, &PARAM(remote_name_req, bdaddr))) - bt_hci_event_status(hci, HCI_NO_CONNECTION); - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_REMOTE_NAME_REQ_CANCEL): - LENGTH_CHECK(remote_name_req_cancel); - - bt_hci_event_complete_name_cancel(hci, - &PARAM(remote_name_req_cancel, bdaddr)); - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_REMOTE_FEATURES): - LENGTH_CHECK(read_remote_features); - - if (bt_hci_features_req(hci, PARAMHANDLE(read_remote_features))) - bt_hci_event_status(hci, HCI_NO_CONNECTION); - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_REMOTE_EXT_FEATURES): - LENGTH_CHECK(read_remote_ext_features); - - if (bt_hci_handle_bad(hci, PARAMHANDLE(read_remote_ext_features))) - bt_hci_event_status(hci, HCI_NO_CONNECTION); - else { - bt_hci_event_status(hci, HCI_SUCCESS); - bt_hci_event_read_remote_ext_features(hci, - PARAMHANDLE(read_remote_ext_features)); - } - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_REMOTE_VERSION): - LENGTH_CHECK(read_remote_version); - - if (bt_hci_version_req(hci, PARAMHANDLE(read_remote_version))) - bt_hci_event_status(hci, HCI_NO_CONNECTION); - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_CLOCK_OFFSET): - LENGTH_CHECK(read_clock_offset); - - if (bt_hci_clkoffset_req(hci, PARAMHANDLE(read_clock_offset))) - bt_hci_event_status(hci, HCI_NO_CONNECTION); - break; - - case cmd_opcode_pack(OGF_LINK_CTL, OCF_READ_LMP_HANDLE): - LENGTH_CHECK(read_lmp_handle); - - /* TODO: */ - bt_hci_event_complete_lmp_handle(hci, PARAMHANDLE(read_lmp_handle)); - break; - - case cmd_opcode_pack(OGF_LINK_POLICY, OCF_HOLD_MODE): - LENGTH_CHECK(hold_mode); - - if (PARAM16(hold_mode, min_interval) > - PARAM16(hold_mode, max_interval) || - PARAM16(hold_mode, min_interval) < 0x0002 || - PARAM16(hold_mode, max_interval) > 0xff00 || - (PARAM16(hold_mode, min_interval) & 1) || - (PARAM16(hold_mode, max_interval) & 1)) { - bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); - break; - } - - if (bt_hci_mode_change(hci, PARAMHANDLE(hold_mode), - PARAM16(hold_mode, max_interval), - acl_hold)) - bt_hci_event_status(hci, HCI_NO_CONNECTION); - break; - - case cmd_opcode_pack(OGF_LINK_POLICY, OCF_PARK_MODE): - LENGTH_CHECK(park_mode); - - if (PARAM16(park_mode, min_interval) > - PARAM16(park_mode, max_interval) || - PARAM16(park_mode, min_interval) < 0x000e || - (PARAM16(park_mode, min_interval) & 1) || - (PARAM16(park_mode, max_interval) & 1)) { - bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); - break; - } - - if (bt_hci_mode_change(hci, PARAMHANDLE(park_mode), - PARAM16(park_mode, max_interval), - acl_parked)) - bt_hci_event_status(hci, HCI_NO_CONNECTION); - break; - - case cmd_opcode_pack(OGF_LINK_POLICY, OCF_EXIT_PARK_MODE): - LENGTH_CHECK(exit_park_mode); - - if (bt_hci_mode_cancel(hci, PARAMHANDLE(exit_park_mode), - acl_parked)) - bt_hci_event_status(hci, HCI_NO_CONNECTION); - break; - - case cmd_opcode_pack(OGF_LINK_POLICY, OCF_ROLE_DISCOVERY): - LENGTH_CHECK(role_discovery); - - if (bt_hci_handle_bad(hci, PARAMHANDLE(role_discovery))) - bt_hci_event_complete_role_discovery(hci, - HCI_NO_CONNECTION, PARAMHANDLE(role_discovery), 0); - else - bt_hci_event_complete_role_discovery(hci, - HCI_SUCCESS, PARAMHANDLE(role_discovery), - bt_hci_role_master(hci, - PARAMHANDLE(role_discovery))); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_SET_EVENT_MASK): - LENGTH_CHECK(set_event_mask); - - memcpy(hci->event_mask, PARAM(set_event_mask, mask), 8); - bt_hci_event_complete_status(hci, HCI_SUCCESS); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_RESET): - bt_hci_reset(hci); - bt_hci_event_status(hci, HCI_SUCCESS); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_SET_EVENT_FLT): - if (length >= 1 && PARAM(set_event_flt, flt_type) == FLT_CLEAR_ALL) - /* No length check */; - else - LENGTH_CHECK(set_event_flt); - - /* Filters are not implemented */ - bt_hci_event_complete_status(hci, HCI_SUCCESS); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_FLUSH): - LENGTH_CHECK(flush); - - if (bt_hci_handle_bad(hci, PARAMHANDLE(flush))) - bt_hci_event_complete_flush(hci, - HCI_NO_CONNECTION, PARAMHANDLE(flush)); - else { - /* TODO: ordering? */ - bt_hci_event(hci, EVT_FLUSH_OCCURRED, - &PARAM(flush, handle), - EVT_FLUSH_OCCURRED_SIZE); - bt_hci_event_complete_flush(hci, - HCI_SUCCESS, PARAMHANDLE(flush)); - } - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_CHANGE_LOCAL_NAME): - LENGTH_CHECK(change_local_name); - - g_free((void *) hci->device.lmp_name); - hci->device.lmp_name = g_strndup(PARAM(change_local_name, name), - sizeof(PARAM(change_local_name, name))); - bt_hci_event_complete_status(hci, HCI_SUCCESS); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_LOCAL_NAME): - bt_hci_event_complete_read_local_name(hci); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_CONN_ACCEPT_TIMEOUT): - bt_hci_event_complete_read_conn_accept_timeout(hci); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_CONN_ACCEPT_TIMEOUT): - /* TODO */ - LENGTH_CHECK(write_conn_accept_timeout); - - if (PARAM16(write_conn_accept_timeout, timeout) < 0x0001 || - PARAM16(write_conn_accept_timeout, timeout) > 0xb540) { - bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); - break; - } - - hci->conn_accept_tout = PARAM16(write_conn_accept_timeout, timeout); - bt_hci_event_complete_status(hci, HCI_SUCCESS); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_SCAN_ENABLE): - bt_hci_event_complete_read_scan_enable(hci); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_SCAN_ENABLE): - LENGTH_CHECK(write_scan_enable); - - /* TODO: check that the remaining bits are all 0 */ - hci->device.inquiry_scan = - !!(PARAM(write_scan_enable, scan_enable) & SCAN_INQUIRY); - hci->device.page_scan = - !!(PARAM(write_scan_enable, scan_enable) & SCAN_PAGE); - bt_hci_event_complete_status(hci, HCI_SUCCESS); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_CLASS_OF_DEV): - bt_hci_event_complete_read_local_class(hci); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_CLASS_OF_DEV): - LENGTH_CHECK(write_class_of_dev); - - memcpy(hci->device.class, PARAM(write_class_of_dev, dev_class), - sizeof(PARAM(write_class_of_dev, dev_class))); - bt_hci_event_complete_status(hci, HCI_SUCCESS); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_VOICE_SETTING): - bt_hci_event_complete_voice_setting(hci); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_VOICE_SETTING): - LENGTH_CHECK(write_voice_setting); - - hci->voice_setting = PARAM(write_voice_setting, voice_setting); - bt_hci_event_complete_status(hci, HCI_SUCCESS); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_HOST_NUMBER_OF_COMPLETED_PACKETS): - if (length < data[0] * 2 + 1) - goto short_hci; - - for (i = 0; i < data[0]; i ++) - if (bt_hci_handle_bad(hci, - data[i * 2 + 1] | (data[i * 2 + 2] << 8))) - bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_READ_INQUIRY_MODE): - /* Only if (local_features[3] & 0x40) && (local_commands[12] & 0x40) - * else - * goto unknown_command */ - bt_hci_event_complete_read_inquiry_mode(hci); - break; - - case cmd_opcode_pack(OGF_HOST_CTL, OCF_WRITE_INQUIRY_MODE): - /* Only if (local_features[3] & 0x40) && (local_commands[12] & 0x80) - * else - * goto unknown_command */ - LENGTH_CHECK(write_inquiry_mode); - - if (PARAM(write_inquiry_mode, mode) > 0x01) { - bt_hci_event_complete_status(hci, HCI_INVALID_PARAMETERS); - break; - } - - hci->lm.inquiry_mode = PARAM(write_inquiry_mode, mode); - bt_hci_event_complete_status(hci, HCI_SUCCESS); - break; - - case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_VERSION): - bt_hci_read_local_version_rp(hci); - break; - - case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_COMMANDS): - bt_hci_read_local_commands_rp(hci); - break; - - case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_FEATURES): - bt_hci_read_local_features_rp(hci); - break; - - case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_LOCAL_EXT_FEATURES): - LENGTH_CHECK(read_local_ext_features); - - bt_hci_read_local_ext_features_rp(hci, - PARAM(read_local_ext_features, page_num)); - break; - - case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_BUFFER_SIZE): - bt_hci_read_buffer_size_rp(hci); - break; - - case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_COUNTRY_CODE): - bt_hci_read_country_code_rp(hci); - break; - - case cmd_opcode_pack(OGF_INFO_PARAM, OCF_READ_BD_ADDR): - bt_hci_read_bd_addr_rp(hci); - break; - - case cmd_opcode_pack(OGF_STATUS_PARAM, OCF_READ_LINK_QUALITY): - LENGTH_CHECK(read_link_quality); - - bt_hci_link_quality_rp(hci, PARAMHANDLE(read_link_quality)); - break; - - default: - bt_hci_event_status(hci, HCI_UNKNOWN_COMMAND); - break; - - short_hci: - error_report("%s: HCI packet too short (%iB)", __func__, length); - bt_hci_event_status(hci, HCI_INVALID_PARAMETERS); - break; - } -} - -/* We could perform fragmentation here, we can't do "recombination" because - * at this layer the length of the payload is not know ahead, so we only - * know that a packet contained the last fragment of the SDU when the next - * SDU starts. */ -static inline void bt_hci_lmp_acl_data(struct bt_hci_s *hci, uint16_t handle, - const uint8_t *data, int start, int len) -{ - struct hci_acl_hdr *pkt = (void *) hci->acl_buf; - - /* TODO: packet flags */ - /* TODO: avoid memcpy'ing */ - - if (len + HCI_ACL_HDR_SIZE > sizeof(hci->acl_buf)) { - error_report("%s: can't take ACL packets %i bytes long", - __func__, len); - return; - } - memcpy(hci->acl_buf + HCI_ACL_HDR_SIZE, data, len); - - pkt->handle = cpu_to_le16( - acl_handle_pack(handle, start ? ACL_START : ACL_CONT)); - pkt->dlen = cpu_to_le16(len); - hci->info.acl_recv(hci->info.opaque, - hci->acl_buf, len + HCI_ACL_HDR_SIZE); -} - -static void bt_hci_lmp_acl_data_slave(struct bt_link_s *btlink, - const uint8_t *data, int start, int len) -{ - struct bt_hci_link_s *link = (struct bt_hci_link_s *) btlink; - - bt_hci_lmp_acl_data(hci_from_device(btlink->slave), - link->handle, data, start, len); -} - -static void bt_hci_lmp_acl_data_host(struct bt_link_s *link, - const uint8_t *data, int start, int len) -{ - bt_hci_lmp_acl_data(hci_from_device(link->host), - link->handle, data, start, len); -} - -static void bt_submit_acl(struct HCIInfo *info, - const uint8_t *data, int length) -{ - struct bt_hci_s *hci = hci_from_info(info); - uint16_t handle; - int datalen, flags; - struct bt_link_s *link; - - if (length < HCI_ACL_HDR_SIZE) { - error_report("%s: ACL packet too short (%iB)", __func__, length); - return; - } - - handle = acl_handle((data[1] << 8) | data[0]); - flags = acl_flags((data[1] << 8) | data[0]); - datalen = (data[3] << 8) | data[2]; - data += HCI_ACL_HDR_SIZE; - length -= HCI_ACL_HDR_SIZE; - - if (bt_hci_handle_bad(hci, handle)) { - error_report("%s: invalid ACL handle %03x", __func__, handle); - /* TODO: signal an error */ - return; - } - handle &= ~HCI_HANDLE_OFFSET; - - if (datalen > length) { - error_report("%s: ACL packet too short (%iB < %iB)", - __func__, length, datalen); - return; - } - - link = hci->lm.handle[handle].link; - - if ((flags & ~3) == ACL_ACTIVE_BCAST) { - if (!hci->asb_handle) - hci->asb_handle = handle; - else if (handle != hci->asb_handle) { - error_report("%s: Bad handle %03x in Active Slave Broadcast", - __func__, handle); - /* TODO: signal an error */ - return; - } - - /* TODO */ - } - - if ((flags & ~3) == ACL_PICO_BCAST) { - if (!hci->psb_handle) - hci->psb_handle = handle; - else if (handle != hci->psb_handle) { - error_report("%s: Bad handle %03x in Parked Slave Broadcast", - __func__, handle); - /* TODO: signal an error */ - return; - } - - /* TODO */ - } - - /* TODO: increase counter and send EVT_NUM_COMP_PKTS */ - bt_hci_event_num_comp_pkts(hci, handle | HCI_HANDLE_OFFSET, 1); - - /* Do this last as it can trigger further events even in this HCI */ - hci->lm.handle[handle].lmp_acl_data(link, data, - (flags & 3) == ACL_START, length); -} - -static void bt_submit_sco(struct HCIInfo *info, - const uint8_t *data, int length) -{ - struct bt_hci_s *hci = hci_from_info(info); - uint16_t handle; - int datalen; - - if (length < 3) - return; - - handle = acl_handle((data[1] << 8) | data[0]); - datalen = data[2]; - length -= 3; - - if (bt_hci_handle_bad(hci, handle)) { - error_report("%s: invalid SCO handle %03x", __func__, handle); - return; - } - - if (datalen > length) { - error_report("%s: SCO packet too short (%iB < %iB)", - __func__, length, datalen); - return; - } - - /* TODO */ - - /* TODO: increase counter and send EVT_NUM_COMP_PKTS if synchronous - * Flow Control is enabled. - * (See Read/Write_Synchronous_Flow_Control_Enable on page 513 and - * page 514.) */ -} - -static uint8_t *bt_hci_evt_packet(void *opaque) -{ - /* TODO: allocate a packet from upper layer */ - struct bt_hci_s *s = opaque; - - return s->evt_buf; -} - -static void bt_hci_evt_submit(void *opaque, int len) -{ - /* TODO: notify upper layer */ - struct bt_hci_s *s = opaque; - - s->info.evt_recv(s->info.opaque, s->evt_buf, len); -} - -static int bt_hci_bdaddr_set(struct HCIInfo *info, const uint8_t *bd_addr) -{ - struct bt_hci_s *hci = hci_from_info(info); - - bacpy(&hci->device.bd_addr, (const bdaddr_t *) bd_addr); - return 0; -} - -static void bt_hci_done(struct HCIInfo *info); -static void bt_hci_destroy(struct bt_device_s *dev) -{ - struct bt_hci_s *hci = hci_from_device(dev); - - bt_hci_done(&hci->info); -} - -struct HCIInfo *bt_new_hci(struct bt_scatternet_s *net) -{ - struct bt_hci_s *s = g_malloc0(sizeof(struct bt_hci_s)); - - s->lm.inquiry_done = timer_new_ns(QEMU_CLOCK_VIRTUAL, bt_hci_inquiry_done, s); - s->lm.inquiry_next = timer_new_ns(QEMU_CLOCK_VIRTUAL, bt_hci_inquiry_next, s); - s->conn_accept_timer = - timer_new_ns(QEMU_CLOCK_VIRTUAL, bt_hci_conn_accept_timeout, s); - - s->evt_packet = bt_hci_evt_packet; - s->evt_submit = bt_hci_evt_submit; - s->opaque = s; - - bt_device_init(&s->device, net); - s->device.lmp_connection_request = bt_hci_lmp_connection_request; - s->device.lmp_connection_complete = bt_hci_lmp_connection_complete; - s->device.lmp_disconnect_master = bt_hci_lmp_disconnect_host; - s->device.lmp_disconnect_slave = bt_hci_lmp_disconnect_slave; - s->device.lmp_acl_data = bt_hci_lmp_acl_data_slave; - s->device.lmp_acl_resp = bt_hci_lmp_acl_data_host; - s->device.lmp_mode_change = bt_hci_lmp_mode_change_slave; - - /* Keep updated! */ - /* Also keep in sync with supported commands bitmask in - * bt_hci_read_local_commands_rp */ - s->device.lmp_caps = 0x8000199b7e85355fll; - - bt_hci_reset(s); - - s->info.cmd_send = bt_submit_hci; - s->info.sco_send = bt_submit_sco; - s->info.acl_send = bt_submit_acl; - s->info.bdaddr_set = bt_hci_bdaddr_set; - - s->device.handle_destroy = bt_hci_destroy; - - error_setg(&s->replay_blocker, QERR_REPLAY_NOT_SUPPORTED, "-bt hci"); - replay_add_blocker(s->replay_blocker); - - return &s->info; -} - -struct HCIInfo *hci_init(const char *str) -{ - char *endp; - struct bt_scatternet_s *vlan = 0; - - if (!strcmp(str, "null")) - /* null */ - return &null_hci; - else if (!strncmp(str, "host", 4) && (str[4] == '\0' || str[4] == ':')) - /* host[:hciN] */ - return bt_host_hci(str[4] ? str + 5 : "hci0"); - else if (!strncmp(str, "hci", 3)) { - /* hci[,vlan=n] */ - if (str[3]) { - if (!strncmp(str + 3, ",vlan=", 6)) { - vlan = qemu_find_bt_vlan(strtol(str + 9, &endp, 0)); - if (*endp) - vlan = 0; - } - } else - vlan = qemu_find_bt_vlan(0); - if (vlan) - return bt_new_hci(vlan); - } - - error_report("Unknown bluetooth HCI `%s'.", str); - - return 0; -} - -static void bt_hci_done(struct HCIInfo *info) -{ - struct bt_hci_s *hci = hci_from_info(info); - int handle; - - bt_device_done(&hci->device); - - g_free((void *) hci->device.lmp_name); - - /* Be gentle and send DISCONNECT to all connected peers and those - * currently waiting for us to accept or reject a connection request. - * This frees the links. */ - if (hci->conn_req_host) { - bt_hci_connection_reject(hci, - hci->conn_req_host, HCI_OE_POWER_OFF); - return; - } - - for (handle = HCI_HANDLE_OFFSET; - handle < (HCI_HANDLE_OFFSET | HCI_HANDLES_MAX); handle ++) - if (!bt_hci_handle_bad(hci, handle)) - bt_hci_disconnect(hci, handle, HCI_OE_POWER_OFF); - - /* TODO: this is not enough actually, there may be slaves from whom - * we have requested a connection who will soon (or not) respond with - * an accept or a reject, so we should also check if hci->lm.connecting - * is non-zero and if so, avoid freeing the hci but otherwise disappear - * from all qemu social life (e.g. stop scanning and request to be - * removed from s->device.net) and arrange for - * s->device.lmp_connection_complete to free the remaining bits once - * hci->lm.awaiting_bdaddr[] is empty. */ - - timer_free(hci->lm.inquiry_done); - timer_free(hci->lm.inquiry_next); - timer_free(hci->conn_accept_timer); - - g_free(hci); -} |