-/*
+/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (C) 2000-2001 Qualcomm Incorporated
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
- CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
+ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
- COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
+ ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
+ COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
SOFTWARE IS DISCLAIMED.
*/
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/poll.h>
#include <linux/fcntl.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
-#ifndef CONFIG_BT_HCI_CORE_DEBUG
-#undef BT_DBG
-#define BT_DBG(D...)
-#endif
-
-static void hci_acl_connect(struct hci_conn *conn)
+void hci_acl_connect(struct hci_conn *conn)
{
struct hci_dev *hdev = conn->hdev;
struct inquiry_entry *ie;
BT_DBG("%p", conn);
conn->state = BT_CONNECT;
- conn->out = 1;
+ conn->out = 1;
+
conn->link_mode = HCI_LM_MASTER;
+ conn->attempt++;
+
+ conn->link_policy = hdev->link_policy;
+
memset(&cp, 0, sizeof(cp));
bacpy(&cp.bdaddr, &conn->dst);
cp.pscan_rep_mode = 0x02;
- if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst)) &&
- inquiry_entry_age(ie) <= INQUIRY_ENTRY_AGE_MAX) {
- cp.pscan_rep_mode = ie->data.pscan_rep_mode;
- cp.pscan_mode = ie->data.pscan_mode;
- cp.clock_offset = ie->data.clock_offset | __cpu_to_le16(0x8000);
+ if ((ie = hci_inquiry_cache_lookup(hdev, &conn->dst))) {
+ if (inquiry_entry_age(ie) <= INQUIRY_ENTRY_AGE_MAX) {
+ cp.pscan_rep_mode = ie->data.pscan_rep_mode;
+ cp.pscan_mode = ie->data.pscan_mode;
+ cp.clock_offset = ie->data.clock_offset |
+ cpu_to_le16(0x8000);
+ }
+
memcpy(conn->dev_class, ie->data.dev_class, 3);
+ conn->ssp_mode = ie->data.ssp_mode;
}
- cp.pkt_type = __cpu_to_le16(hdev->pkt_type & ACL_PTYPE_MASK);
+ cp.pkt_type = cpu_to_le16(conn->pkt_type);
if (lmp_rswitch_capable(hdev) && !(hdev->link_mode & HCI_LM_MASTER))
- cp.role_switch = 0x01;
+ cp.role_switch = 0x01;
else
- cp.role_switch = 0x00;
-
- hci_send_cmd(hdev, OGF_LINK_CTL, OCF_CREATE_CONN, sizeof(cp), &cp);
+ cp.role_switch = 0x00;
+
+ hci_send_cmd(hdev, HCI_OP_CREATE_CONN, sizeof(cp), &cp);
+}
+
+static void hci_acl_connect_cancel(struct hci_conn *conn)
+{
+ struct hci_cp_create_conn_cancel cp;
+
+ BT_DBG("%p", conn);
+
+ if (conn->hdev->hci_ver < 2)
+ return;
+
+ bacpy(&cp.bdaddr, &conn->dst);
+ hci_send_cmd(conn->hdev, HCI_OP_CREATE_CONN_CANCEL, sizeof(cp), &cp);
}
void hci_acl_disconn(struct hci_conn *conn, __u8 reason)
conn->state = BT_DISCONN;
- cp.handle = __cpu_to_le16(conn->handle);
+ cp.handle = cpu_to_le16(conn->handle);
cp.reason = reason;
- hci_send_cmd(conn->hdev, OGF_LINK_CTL, OCF_DISCONNECT, sizeof(cp), &cp);
+ hci_send_cmd(conn->hdev, HCI_OP_DISCONNECT, sizeof(cp), &cp);
}
void hci_add_sco(struct hci_conn *conn, __u16 handle)
conn->state = BT_CONNECT;
conn->out = 1;
- cp.pkt_type = __cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK);
- cp.handle = __cpu_to_le16(handle);
+ conn->attempt++;
+
+ cp.handle = cpu_to_le16(handle);
+ cp.pkt_type = cpu_to_le16(conn->pkt_type);
+
+ hci_send_cmd(hdev, HCI_OP_ADD_SCO, sizeof(cp), &cp);
+}
+
+void hci_setup_sync(struct hci_conn *conn, __u16 handle)
+{
+ struct hci_dev *hdev = conn->hdev;
+ struct hci_cp_setup_sync_conn cp;
+
+ BT_DBG("%p", conn);
+
+ conn->state = BT_CONNECT;
+ conn->out = 1;
+
+ conn->attempt++;
+
+ cp.handle = cpu_to_le16(handle);
+ cp.pkt_type = cpu_to_le16(conn->pkt_type);
- hci_send_cmd(hdev, OGF_LINK_CTL, OCF_ADD_SCO, sizeof(cp), &cp);
+ cp.tx_bandwidth = cpu_to_le32(0x00001f40);
+ cp.rx_bandwidth = cpu_to_le32(0x00001f40);
+ cp.max_latency = cpu_to_le16(0xffff);
+ cp.voice_setting = cpu_to_le16(hdev->voice_setting);
+ cp.retrans_effort = 0xff;
+
+ hci_send_cmd(hdev, HCI_OP_SETUP_SYNC_CONN, sizeof(cp), &cp);
}
static void hci_conn_timeout(unsigned long arg)
{
- struct hci_conn *conn = (void *)arg;
- struct hci_dev *hdev = conn->hdev;
+ struct hci_conn *conn = (void *) arg;
+ struct hci_dev *hdev = conn->hdev;
+ __u8 reason;
BT_DBG("conn %p state %d", conn, conn->state);
return;
hci_dev_lock(hdev);
- if (conn->state == BT_CONNECTED)
- hci_acl_disconn(conn, 0x13);
- else
+
+ switch (conn->state) {
+ case BT_CONNECT:
+ case BT_CONNECT2:
+ if (conn->type == ACL_LINK && conn->out)
+ hci_acl_connect_cancel(conn);
+ break;
+ case BT_CONFIG:
+ case BT_CONNECTED:
+ reason = hci_proto_disconn_ind(conn);
+ hci_acl_disconn(conn, reason);
+ break;
+ default:
conn->state = BT_CLOSED;
+ break;
+ }
+
hci_dev_unlock(hdev);
- return;
}
-static void hci_conn_init_timer(struct hci_conn *conn)
+static void hci_conn_idle(unsigned long arg)
{
- init_timer(&conn->timer);
- conn->timer.function = hci_conn_timeout;
- conn->timer.data = (unsigned long)conn;
+ struct hci_conn *conn = (void *) arg;
+
+ BT_DBG("conn %p mode %d", conn, conn->mode);
+
+ hci_conn_enter_sniff_mode(conn);
}
struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
BT_DBG("%s dst %s", hdev->name, batostr(dst));
- if (!(conn = kmalloc(sizeof(struct hci_conn), GFP_ATOMIC)))
+ conn = kzalloc(sizeof(struct hci_conn), GFP_ATOMIC);
+ if (!conn)
return NULL;
- memset(conn, 0, sizeof(struct hci_conn));
bacpy(&conn->dst, dst);
- conn->type = type;
- conn->hdev = hdev;
- conn->state = BT_OPEN;
+ conn->hdev = hdev;
+ conn->type = type;
+ conn->mode = HCI_CM_ACTIVE;
+ conn->state = BT_OPEN;
+ conn->auth_type = HCI_AT_GENERAL_BONDING;
+
+ conn->power_save = 1;
+ conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+
+ switch (type) {
+ case ACL_LINK:
+ conn->pkt_type = hdev->pkt_type & ACL_PTYPE_MASK;
+ break;
+ case SCO_LINK:
+ if (lmp_esco_capable(hdev))
+ conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
+ (hdev->esco_type & EDR_ESCO_MASK);
+ else
+ conn->pkt_type = hdev->pkt_type & SCO_PTYPE_MASK;
+ break;
+ case ESCO_LINK:
+ conn->pkt_type = hdev->esco_type & ~EDR_ESCO_MASK;
+ break;
+ }
skb_queue_head_init(&conn->data_q);
- hci_conn_init_timer(conn);
+
+ setup_timer(&conn->disc_timer, hci_conn_timeout, (unsigned long)conn);
+ setup_timer(&conn->idle_timer, hci_conn_idle, (unsigned long)conn);
atomic_set(&conn->refcnt, 0);
if (hdev->notify)
hdev->notify(hdev, HCI_NOTIFY_CONN_ADD);
+ atomic_set(&conn->devref, 0);
+
+ hci_conn_init_sysfs(conn);
+
tasklet_enable(&hdev->tx_task);
return conn;
BT_DBG("%s conn %p handle %d", hdev->name, conn, conn->handle);
- hci_conn_del_timer(conn);
+ del_timer(&conn->idle_timer);
- if (conn->type == SCO_LINK) {
- struct hci_conn *acl = conn->link;
- if (acl) {
- acl->link = NULL;
- hci_conn_put(acl);
- }
- } else {
+ del_timer(&conn->disc_timer);
+
+ if (conn->type == ACL_LINK) {
struct hci_conn *sco = conn->link;
if (sco)
sco->link = NULL;
/* Unacked frames */
hdev->acl_cnt += conn->sent;
+ } else {
+ struct hci_conn *acl = conn->link;
+ if (acl) {
+ acl->link = NULL;
+ hci_conn_put(acl);
+ }
}
tasklet_disable(&hdev->tx_task);
skb_queue_purge(&conn->data_q);
+ hci_conn_put_device(conn);
+
hci_dev_put(hdev);
- kfree(conn);
return 0;
}
if (!test_bit(HCI_UP, &d->flags) || test_bit(HCI_RAW, &d->flags))
continue;
- /* Simple routing:
+ /* Simple routing:
* No source address - find interface with bdaddr != dst
* Source address - find interface with bdaddr == src
*/
/* Create SCO or ACL connection.
* Device _must_ be locked */
-struct hci_conn * hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst)
+struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type)
{
struct hci_conn *acl;
+ struct hci_conn *sco;
BT_DBG("%s dst %s", hdev->name, batostr(dst));
hci_conn_hold(acl);
- if (acl->state == BT_OPEN || acl->state == BT_CLOSED)
+ if (acl->state == BT_OPEN || acl->state == BT_CLOSED) {
+ acl->sec_level = sec_level;
+ acl->auth_type = auth_type;
hci_acl_connect(acl);
+ }
- if (type == SCO_LINK) {
- struct hci_conn *sco;
+ if (type == ACL_LINK)
+ return acl;
- if (!(sco = hci_conn_hash_lookup_ba(hdev, SCO_LINK, dst))) {
- if (!(sco = hci_conn_add(hdev, SCO_LINK, dst))) {
- hci_conn_put(acl);
- return NULL;
- }
+ if (!(sco = hci_conn_hash_lookup_ba(hdev, type, dst))) {
+ if (!(sco = hci_conn_add(hdev, type, dst))) {
+ hci_conn_put(acl);
+ return NULL;
}
- acl->link = sco;
- sco->link = acl;
+ }
- hci_conn_hold(sco);
+ acl->link = sco;
+ sco->link = acl;
- if (acl->state == BT_CONNECTED &&
- (sco->state == BT_OPEN || sco->state == BT_CLOSED))
- hci_add_sco(sco, acl->handle);
+ hci_conn_hold(sco);
- return sco;
- } else {
- return acl;
+ if (acl->state == BT_CONNECTED &&
+ (sco->state == BT_OPEN || sco->state == BT_CLOSED)) {
+ acl->power_save = 1;
+ hci_conn_enter_active_mode(acl);
+
+ if (lmp_esco_capable(hdev))
+ hci_setup_sync(sco, acl->handle);
+ else
+ hci_add_sco(sco, acl->handle);
}
+
+ return sco;
}
EXPORT_SYMBOL(hci_connect);
+/* Check link security requirement */
+int hci_conn_check_link_mode(struct hci_conn *conn)
+{
+ BT_DBG("conn %p", conn);
+
+ if (conn->ssp_mode > 0 && conn->hdev->ssp_mode > 0 &&
+ !(conn->link_mode & HCI_LM_ENCRYPT))
+ return 0;
+
+ return 1;
+}
+EXPORT_SYMBOL(hci_conn_check_link_mode);
+
/* Authenticate remote device */
-int hci_conn_auth(struct hci_conn *conn)
+static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
{
BT_DBG("conn %p", conn);
- if (conn->link_mode & HCI_LM_AUTH)
+ if (sec_level > conn->sec_level)
+ conn->sec_level = sec_level;
+ else if (conn->link_mode & HCI_LM_AUTH)
return 1;
+ conn->auth_type = auth_type;
+
if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
struct hci_cp_auth_requested cp;
- cp.handle = __cpu_to_le16(conn->handle);
- hci_send_cmd(conn->hdev, OGF_LINK_CTL, OCF_AUTH_REQUESTED, sizeof(cp), &cp);
+ cp.handle = cpu_to_le16(conn->handle);
+ hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED,
+ sizeof(cp), &cp);
}
+
return 0;
}
-EXPORT_SYMBOL(hci_conn_auth);
-/* Enable encryption */
-int hci_conn_encrypt(struct hci_conn *conn)
+/* Enable security */
+int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
{
BT_DBG("conn %p", conn);
- if (conn->link_mode & HCI_LM_ENCRYPT)
+ if (sec_level == BT_SECURITY_SDP)
+ return 1;
+
+ if (sec_level == BT_SECURITY_LOW &&
+ (!conn->ssp_mode || !conn->hdev->ssp_mode))
return 1;
+ if (conn->link_mode & HCI_LM_ENCRYPT)
+ return hci_conn_auth(conn, sec_level, auth_type);
+
if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
return 0;
- if (hci_conn_auth(conn)) {
+ if (hci_conn_auth(conn, sec_level, auth_type)) {
struct hci_cp_set_conn_encrypt cp;
- cp.handle = __cpu_to_le16(conn->handle);
- cp.encrypt = 1;
- hci_send_cmd(conn->hdev, OGF_LINK_CTL, OCF_SET_CONN_ENCRYPT, sizeof(cp), &cp);
+ cp.handle = cpu_to_le16(conn->handle);
+ cp.encrypt = 1;
+ hci_send_cmd(conn->hdev, HCI_OP_SET_CONN_ENCRYPT,
+ sizeof(cp), &cp);
}
+
return 0;
}
-EXPORT_SYMBOL(hci_conn_encrypt);
+EXPORT_SYMBOL(hci_conn_security);
/* Change link key */
int hci_conn_change_link_key(struct hci_conn *conn)
if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
struct hci_cp_change_conn_link_key cp;
- cp.handle = __cpu_to_le16(conn->handle);
- hci_send_cmd(conn->hdev, OGF_LINK_CTL, OCF_CHANGE_CONN_LINK_KEY, sizeof(cp), &cp);
+ cp.handle = cpu_to_le16(conn->handle);
+ hci_send_cmd(conn->hdev, HCI_OP_CHANGE_CONN_LINK_KEY,
+ sizeof(cp), &cp);
}
+
return 0;
}
EXPORT_SYMBOL(hci_conn_change_link_key);
/* Switch role */
-int hci_conn_switch_role(struct hci_conn *conn, uint8_t role)
+int hci_conn_switch_role(struct hci_conn *conn, __u8 role)
{
BT_DBG("conn %p", conn);
struct hci_cp_switch_role cp;
bacpy(&cp.bdaddr, &conn->dst);
cp.role = role;
- hci_send_cmd(conn->hdev, OGF_LINK_POLICY, OCF_SWITCH_ROLE, sizeof(cp), &cp);
+ hci_send_cmd(conn->hdev, HCI_OP_SWITCH_ROLE, sizeof(cp), &cp);
}
+
return 0;
}
EXPORT_SYMBOL(hci_conn_switch_role);
+/* Enter active mode */
+void hci_conn_enter_active_mode(struct hci_conn *conn)
+{
+ struct hci_dev *hdev = conn->hdev;
+
+ BT_DBG("conn %p mode %d", conn, conn->mode);
+
+ if (test_bit(HCI_RAW, &hdev->flags))
+ return;
+
+ if (conn->mode != HCI_CM_SNIFF || !conn->power_save)
+ goto timer;
+
+ if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {
+ struct hci_cp_exit_sniff_mode cp;
+ cp.handle = cpu_to_le16(conn->handle);
+ hci_send_cmd(hdev, HCI_OP_EXIT_SNIFF_MODE, sizeof(cp), &cp);
+ }
+
+timer:
+ if (hdev->idle_timeout > 0)
+ mod_timer(&conn->idle_timer,
+ jiffies + msecs_to_jiffies(hdev->idle_timeout));
+}
+
+/* Enter sniff mode */
+void hci_conn_enter_sniff_mode(struct hci_conn *conn)
+{
+ struct hci_dev *hdev = conn->hdev;
+
+ BT_DBG("conn %p mode %d", conn, conn->mode);
+
+ if (test_bit(HCI_RAW, &hdev->flags))
+ return;
+
+ if (!lmp_sniff_capable(hdev) || !lmp_sniff_capable(conn))
+ return;
+
+ if (conn->mode != HCI_CM_ACTIVE || !(conn->link_policy & HCI_LP_SNIFF))
+ return;
+
+ if (lmp_sniffsubr_capable(hdev) && lmp_sniffsubr_capable(conn)) {
+ struct hci_cp_sniff_subrate cp;
+ cp.handle = cpu_to_le16(conn->handle);
+ cp.max_latency = cpu_to_le16(0);
+ cp.min_remote_timeout = cpu_to_le16(0);
+ cp.min_local_timeout = cpu_to_le16(0);
+ hci_send_cmd(hdev, HCI_OP_SNIFF_SUBRATE, sizeof(cp), &cp);
+ }
+
+ if (!test_and_set_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->pend)) {
+ struct hci_cp_sniff_mode cp;
+ cp.handle = cpu_to_le16(conn->handle);
+ cp.max_interval = cpu_to_le16(hdev->sniff_max_interval);
+ cp.min_interval = cpu_to_le16(hdev->sniff_min_interval);
+ cp.attempt = cpu_to_le16(4);
+ cp.timeout = cpu_to_le16(1);
+ hci_send_cmd(hdev, HCI_OP_SNIFF_MODE, sizeof(cp), &cp);
+ }
+}
+
/* Drop all connection on the device */
void hci_conn_hash_flush(struct hci_dev *hdev)
{
c->state = BT_CLOSED;
- hci_proto_disconn_ind(c, 0x16);
+ hci_proto_disconn_cfm(c, 0x16);
hci_conn_del(c);
}
}
+/* Check pending connect attempts */
+void hci_conn_check_pending(struct hci_dev *hdev)
+{
+ struct hci_conn *conn;
+
+ BT_DBG("hdev %s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_state(hdev, ACL_LINK, BT_CONNECT2);
+ if (conn)
+ hci_acl_connect(conn);
+
+ hci_dev_unlock(hdev);
+}
+
+void hci_conn_hold_device(struct hci_conn *conn)
+{
+ atomic_inc(&conn->devref);
+}
+EXPORT_SYMBOL(hci_conn_hold_device);
+
+void hci_conn_put_device(struct hci_conn *conn)
+{
+ if (atomic_dec_and_test(&conn->devref))
+ hci_conn_del_sysfs(conn);
+}
+EXPORT_SYMBOL(hci_conn_put_device);
+
int hci_get_conn_list(void __user *arg)
{
struct hci_conn_list_req req, *cl;
return copy_to_user(ptr, &ci, sizeof(ci)) ? -EFAULT : 0;
}
+
+int hci_get_auth_info(struct hci_dev *hdev, void __user *arg)
+{
+ struct hci_auth_info_req req;
+ struct hci_conn *conn;
+
+ if (copy_from_user(&req, arg, sizeof(req)))
+ return -EFAULT;
+
+ hci_dev_lock_bh(hdev);
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &req.bdaddr);
+ if (conn)
+ req.type = conn->auth_type;
+ hci_dev_unlock_bh(hdev);
+
+ if (!conn)
+ return -ENOENT;
+
+ return copy_to_user(arg, &req, sizeof(req)) ? -EFAULT : 0;
+}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff