--- /dev/null
+/*
+ * 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-common.h"
+#include "qemu/timer.h"
+#include "hw/usb.h"
+#include "sysemu/bt.h"
+#include "hw/bt.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;
+};
+
+#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 endiannes 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). */
+#ifdef HOST_WORDS_BIGENDIAN
+# define HNDL(raw) bswap16(raw)
+#else
+# define HNDL(raw) (raw)
+#endif
+
+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) {
+ fprintf(stderr, "%s: HCI event params too long (%ib)\n",
+ __FUNCTION__, 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:
+ fprintf(stderr, "%s: bad inquiry mode %02x\n", __FUNCTION__,
+ 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) +
+ muldiv64(period << 7, get_ticks_per_sec(), 100));
+}
+
+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) +
+ muldiv64(interval * 625, get_ticks_per_sec(), 1000000));
+ 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;
+ if (hci->device.lmp_name)
+ 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) le16_to_cpup(&PARAM(cmd, param))
+#define PARAMHANDLE(cmd) HNDL(PARAM(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", __FUNCTION__);
+ 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", __FUNCTION__);
+ 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);
+
+ if (hci->device.lmp_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:
+ fprintf(stderr, "%s: HCI packet too short (%iB)\n",
+ __FUNCTION__, 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)) {
+ fprintf(stderr, "%s: can't take ACL packets %i bytes long\n",
+ __FUNCTION__, 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) {
+ fprintf(stderr, "%s: ACL packet too short (%iB)\n",
+ __FUNCTION__, 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)) {
+ fprintf(stderr, "%s: invalid ACL handle %03x\n",
+ __FUNCTION__, handle);
+ /* TODO: signal an error */
+ return;
+ }
+ handle &= ~HCI_HANDLE_OFFSET;
+
+ if (datalen > length) {
+ fprintf(stderr, "%s: ACL packet too short (%iB < %iB)\n",
+ __FUNCTION__, 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) {
+ fprintf(stderr, "%s: Bad handle %03x in Active Slave Broadcast\n",
+ __FUNCTION__, 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) {
+ fprintf(stderr, "%s: Bad handle %03x in Parked Slave Broadcast\n",
+ __FUNCTION__, 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)) {
+ fprintf(stderr, "%s: invalid SCO handle %03x\n",
+ __FUNCTION__, handle);
+ return;
+ }
+
+ if (datalen > length) {
+ fprintf(stderr, "%s: SCO packet too short (%iB < %iB)\n",
+ __FUNCTION__, 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;
+
+ 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);
+ }
+
+ fprintf(stderr, "qemu: Unknown bluetooth HCI `%s'.\n", 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);
+
+ if (hci->device.lmp_name)
+ 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);
+}
Code Review / kvmfornfv.git / blobdiff