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authorPaolo Bonzini <pbonzini@redhat.com>2013-03-01 13:59:19 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2013-04-08 18:13:12 +0200
commit49ab747f668f421138d5b40d83fa279c4c5e278d (patch)
tree943225a04eac885aed038731adf058f2250a2f40 /hw/bt-hci.c
parentce3b494cb504f96992f2d37ebc8f56deed202b06 (diff)
hw: move target-independent files to subdirectories
This patch tackles all files that are compiled once, moving them to subdirectories of hw/. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw/bt-hci.c')
-rw-r--r--hw/bt-hci.c2217
1 files changed, 0 insertions, 2217 deletions
diff --git a/hw/bt-hci.c b/hw/bt-hci.c
deleted file mode 100644
index a76edea2c9..0000000000
--- a/hw/bt-hci.c
+++ /dev/null
@@ -1,2217 +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-common.h"
-#include "qemu/timer.h"
-#include "hw/usb.h"
-#include "bt/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 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, &params, 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, &params, 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,
- &params, 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)
-{
- qemu_mod_timer(timer, qemu_get_clock_ns(vm_clock) +
- 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 =
- qemu_new_timer_ns(vm_clock, 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)) {
- qemu_del_timer(hci->lm.handle[handle].acl_mode_timer);
- qemu_free_timer(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(&params.bdaddr, bdaddr);
- params.link_type = ACL_LINK;
- params.encr_mode = 0x00; /* Encryption not required */
- bt_hci_event(hci, EVT_CONN_COMPLETE, &params, 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(&params.bdaddr, &host->bd_addr);
- params.link_type = ACL_LINK;
- params.encr_mode = 0x00; /* Encryption not required */
- bt_hci_event(hci, EVT_CONN_COMPLETE, &params, 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(&params.bdaddr, &link->host->bd_addr);
- memcpy(&params.dev_class, &link->host->class, sizeof(params.dev_class));
- params.link_type = ACL_LINK;
- bt_hci_event(hci, EVT_CONN_REQUEST, &params, 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(&params.bdaddr, &link->slave->bd_addr);
- params.encr_mode = 0x00; /* Encryption not required */
- bt_hci_event(hci, EVT_CONN_COMPLETE, &params, 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,
- &params, 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,
- &params, 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,
- &params, 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(&params.bdaddr, &slave->bd_addr);
- pstrcpy(params.name, sizeof(params.name), slave->lmp_name ?: "");
- bt_hci_event(hci, EVT_REMOTE_NAME_REQ_COMPLETE,
- &params, 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,
- &params, 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,
- &params, 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,
- &params, 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, &params, 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);
-
- qemu_mod_timer(link->acl_mode_timer, qemu_get_clock_ns(vm_clock) +
- 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);
-
- qemu_del_timer(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: qemu_del_timer(sl->acl_mode_timer); for all links */
- qemu_del_timer(hci->lm.inquiry_done);
- qemu_del_timer(hci->lm.inquiry_next);
- qemu_del_timer(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, &params, 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, &params, 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, &params, 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, &params, 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,
- &params, 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, &params, 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, &params, 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, &params, 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, &params, 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, &params, 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, &params, 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, &params, 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, &params, 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, &params, 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;
- qemu_del_timer(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;
- qemu_del_timer(hci->lm.inquiry_done);
- qemu_del_timer(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 = qemu_new_timer_ns(vm_clock, bt_hci_inquiry_done, s);
- s->lm.inquiry_next = qemu_new_timer_ns(vm_clock, bt_hci_inquiry_next, s);
- s->conn_accept_timer =
- qemu_new_timer_ns(vm_clock, 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;
-}
-
-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. */
-
- qemu_free_timer(hci->lm.inquiry_done);
- qemu_free_timer(hci->lm.inquiry_next);
- qemu_free_timer(hci->conn_accept_timer);
-
- g_free(hci);
-}