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Diffstat (limited to 'net/bluetooth/hci_event.c')
-rw-r--r--net/bluetooth/hci_event.c691
1 files changed, 648 insertions, 43 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index a290854fdaa6..3fbfa50c2bff 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -274,15 +274,24 @@ static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
if (!status) {
__u8 param = *((__u8 *) sent);
+ int old_pscan, old_iscan;
- clear_bit(HCI_PSCAN, &hdev->flags);
- clear_bit(HCI_ISCAN, &hdev->flags);
+ old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags);
+ old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags);
- if (param & SCAN_INQUIRY)
+ if (param & SCAN_INQUIRY) {
set_bit(HCI_ISCAN, &hdev->flags);
+ if (!old_iscan)
+ mgmt_discoverable(hdev->id, 1);
+ } else if (old_iscan)
+ mgmt_discoverable(hdev->id, 0);
- if (param & SCAN_PAGE)
+ if (param & SCAN_PAGE) {
set_bit(HCI_PSCAN, &hdev->flags);
+ if (!old_pscan)
+ mgmt_connectable(hdev->id, 1);
+ } else if (old_pscan)
+ mgmt_connectable(hdev->id, 0);
}
hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
@@ -415,6 +424,115 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
hdev->ssp_mode = *((__u8 *) sent);
}
+static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
+{
+ if (hdev->features[6] & LMP_EXT_INQ)
+ return 2;
+
+ if (hdev->features[3] & LMP_RSSI_INQ)
+ return 1;
+
+ if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
+ hdev->lmp_subver == 0x0757)
+ return 1;
+
+ if (hdev->manufacturer == 15) {
+ if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963)
+ return 1;
+ if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963)
+ return 1;
+ if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965)
+ return 1;
+ }
+
+ if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 &&
+ hdev->lmp_subver == 0x1805)
+ return 1;
+
+ return 0;
+}
+
+static void hci_setup_inquiry_mode(struct hci_dev *hdev)
+{
+ u8 mode;
+
+ mode = hci_get_inquiry_mode(hdev);
+
+ hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
+}
+
+static void hci_setup_event_mask(struct hci_dev *hdev)
+{
+ /* The second byte is 0xff instead of 0x9f (two reserved bits
+ * disabled) since a Broadcom 1.2 dongle doesn't respond to the
+ * command otherwise */
+ u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
+
+ /* Events for 1.2 and newer controllers */
+ if (hdev->lmp_ver > 1) {
+ events[4] |= 0x01; /* Flow Specification Complete */
+ events[4] |= 0x02; /* Inquiry Result with RSSI */
+ events[4] |= 0x04; /* Read Remote Extended Features Complete */
+ events[5] |= 0x08; /* Synchronous Connection Complete */
+ events[5] |= 0x10; /* Synchronous Connection Changed */
+ }
+
+ if (hdev->features[3] & LMP_RSSI_INQ)
+ events[4] |= 0x04; /* Inquiry Result with RSSI */
+
+ if (hdev->features[5] & LMP_SNIFF_SUBR)
+ events[5] |= 0x20; /* Sniff Subrating */
+
+ if (hdev->features[5] & LMP_PAUSE_ENC)
+ events[5] |= 0x80; /* Encryption Key Refresh Complete */
+
+ if (hdev->features[6] & LMP_EXT_INQ)
+ events[5] |= 0x40; /* Extended Inquiry Result */
+
+ if (hdev->features[6] & LMP_NO_FLUSH)
+ events[7] |= 0x01; /* Enhanced Flush Complete */
+
+ if (hdev->features[7] & LMP_LSTO)
+ events[6] |= 0x80; /* Link Supervision Timeout Changed */
+
+ if (hdev->features[6] & LMP_SIMPLE_PAIR) {
+ events[6] |= 0x01; /* IO Capability Request */
+ events[6] |= 0x02; /* IO Capability Response */
+ events[6] |= 0x04; /* User Confirmation Request */
+ events[6] |= 0x08; /* User Passkey Request */
+ events[6] |= 0x10; /* Remote OOB Data Request */
+ events[6] |= 0x20; /* Simple Pairing Complete */
+ events[7] |= 0x04; /* User Passkey Notification */
+ events[7] |= 0x08; /* Keypress Notification */
+ events[7] |= 0x10; /* Remote Host Supported
+ * Features Notification */
+ }
+
+ if (hdev->features[4] & LMP_LE)
+ events[7] |= 0x20; /* LE Meta-Event */
+
+ hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
+}
+
+static void hci_setup(struct hci_dev *hdev)
+{
+ hci_setup_event_mask(hdev);
+
+ if (hdev->lmp_ver > 1)
+ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
+
+ if (hdev->features[6] & LMP_SIMPLE_PAIR) {
+ u8 mode = 0x01;
+ hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, sizeof(mode), &mode);
+ }
+
+ if (hdev->features[3] & LMP_RSSI_INQ)
+ hci_setup_inquiry_mode(hdev);
+
+ if (hdev->features[7] & LMP_INQ_TX_PWR)
+ hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
+}
+
static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_local_version *rp = (void *) skb->data;
@@ -426,11 +544,34 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
hdev->hci_ver = rp->hci_ver;
hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
+ hdev->lmp_ver = rp->lmp_ver;
hdev->manufacturer = __le16_to_cpu(rp->manufacturer);
+ hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver);
BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name,
hdev->manufacturer,
hdev->hci_ver, hdev->hci_rev);
+
+ if (test_bit(HCI_INIT, &hdev->flags))
+ hci_setup(hdev);
+}
+
+static void hci_setup_link_policy(struct hci_dev *hdev)
+{
+ u16 link_policy = 0;
+
+ if (hdev->features[0] & LMP_RSWITCH)
+ link_policy |= HCI_LP_RSWITCH;
+ if (hdev->features[0] & LMP_HOLD)
+ link_policy |= HCI_LP_HOLD;
+ if (hdev->features[0] & LMP_SNIFF)
+ link_policy |= HCI_LP_SNIFF;
+ if (hdev->features[1] & LMP_PARK)
+ link_policy |= HCI_LP_PARK;
+
+ link_policy = cpu_to_le16(link_policy);
+ hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY,
+ sizeof(link_policy), &link_policy);
}
static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb)
@@ -440,9 +581,15 @@ static void hci_cc_read_local_commands(struct hci_dev *hdev, struct sk_buff *skb
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
- return;
+ goto done;
memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
+
+ if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10))
+ hci_setup_link_policy(hdev);
+
+done:
+ hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status);
}
static void hci_cc_read_local_features(struct hci_dev *hdev, struct sk_buff *skb)
@@ -548,6 +695,130 @@ static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
}
+static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%x", hdev->name, status);
+
+ hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status);
+}
+
+static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%x", hdev->name, status);
+
+ hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status);
+}
+
+static void hci_cc_write_inquiry_mode(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%x", hdev->name, status);
+
+ hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status);
+}
+
+static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%x", hdev->name, status);
+
+ hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, status);
+}
+
+static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%x", hdev->name, status);
+
+ hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status);
+}
+
+static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_pin_code_reply *rp = (void *) skb->data;
+ struct hci_cp_pin_code_reply *cp;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+ if (test_bit(HCI_MGMT, &hdev->flags))
+ mgmt_pin_code_reply_complete(hdev->id, &rp->bdaddr, rp->status);
+
+ if (rp->status != 0)
+ return;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
+ if (!cp)
+ return;
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
+ if (conn)
+ conn->pin_length = cp->pin_len;
+}
+
+static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+ if (test_bit(HCI_MGMT, &hdev->flags))
+ mgmt_pin_code_neg_reply_complete(hdev->id, &rp->bdaddr,
+ rp->status);
+}
+static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
+ hdev->le_pkts = rp->le_max_pkt;
+
+ hdev->le_cnt = hdev->le_pkts;
+
+ BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
+
+ hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status);
+}
+
+static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+ if (test_bit(HCI_MGMT, &hdev->flags))
+ mgmt_user_confirm_reply_complete(hdev->id, &rp->bdaddr,
+ rp->status);
+}
+
+static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+ if (test_bit(HCI_MGMT, &hdev->flags))
+ mgmt_user_confirm_neg_reply_complete(hdev->id, &rp->bdaddr,
+ rp->status);
+}
+
static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
{
BT_DBG("%s status 0x%x", hdev->name, status);
@@ -622,11 +893,14 @@ static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
hci_dev_lock(hdev);
acl = hci_conn_hash_lookup_handle(hdev, handle);
- if (acl && (sco = acl->link)) {
- sco->state = BT_CLOSED;
+ if (acl) {
+ sco = acl->link;
+ if (sco) {
+ sco->state = BT_CLOSED;
- hci_proto_connect_cfm(sco, status);
- hci_conn_del(sco);
+ hci_proto_connect_cfm(sco, status);
+ hci_conn_del(sco);
+ }
}
hci_dev_unlock(hdev);
@@ -687,7 +961,7 @@ static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
}
static int hci_outgoing_auth_needed(struct hci_dev *hdev,
- struct hci_conn *conn)
+ struct hci_conn *conn)
{
if (conn->state != BT_CONFIG || !conn->out)
return 0;
@@ -808,11 +1082,14 @@ static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
hci_dev_lock(hdev);
acl = hci_conn_hash_lookup_handle(hdev, handle);
- if (acl && (sco = acl->link)) {
- sco->state = BT_CLOSED;
+ if (acl) {
+ sco = acl->link;
+ if (sco) {
+ sco->state = BT_CLOSED;
- hci_proto_connect_cfm(sco, status);
- hci_conn_del(sco);
+ hci_proto_connect_cfm(sco, status);
+ hci_conn_del(sco);
+ }
}
hci_dev_unlock(hdev);
@@ -872,6 +1149,43 @@ static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
hci_dev_unlock(hdev);
}
+static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
+{
+ struct hci_cp_le_create_conn *cp;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%x", hdev->name, status);
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN);
+ if (!cp)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->peer_addr);
+
+ BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&cp->peer_addr),
+ conn);
+
+ if (status) {
+ if (conn && conn->state == BT_CONNECT) {
+ conn->state = BT_CLOSED;
+ hci_proto_connect_cfm(conn, status);
+ hci_conn_del(conn);
+ }
+ } else {
+ if (!conn) {
+ conn = hci_conn_add(hdev, LE_LINK, &cp->peer_addr);
+ if (conn)
+ conn->out = 1;
+ else
+ BT_ERR("No memory for new connection");
+ }
+ }
+
+ hci_dev_unlock(hdev);
+}
+
static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
@@ -942,6 +1256,7 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
conn->state = BT_CONFIG;
hci_conn_hold(conn);
conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+ mgmt_connected(hdev->id, &ev->bdaddr);
} else
conn->state = BT_CONNECTED;
@@ -970,8 +1285,11 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE,
sizeof(cp), &cp);
}
- } else
+ } else {
conn->state = BT_CLOSED;
+ if (conn->type == ACL_LINK)
+ mgmt_connect_failed(hdev->id, &ev->bdaddr, ev->status);
+ }
if (conn->type == ACL_LINK)
hci_sco_setup(conn, ev->status);
@@ -998,7 +1316,8 @@ static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *sk
mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type);
- if ((mask & HCI_LM_ACCEPT) && !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
+ if ((mask & HCI_LM_ACCEPT) &&
+ !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
/* Connection accepted */
struct inquiry_entry *ie;
struct hci_conn *conn;
@@ -1068,19 +1387,26 @@ static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff
BT_DBG("%s status %d", hdev->name, ev->status);
- if (ev->status)
+ if (ev->status) {
+ mgmt_disconnect_failed(hdev->id);
return;
+ }
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
- if (conn) {
- conn->state = BT_CLOSED;
+ if (!conn)
+ goto unlock;
- hci_proto_disconn_cfm(conn, ev->reason);
- hci_conn_del(conn);
- }
+ conn->state = BT_CLOSED;
+
+ if (conn->type == ACL_LINK)
+ mgmt_disconnected(hdev->id, &conn->dst);
+ hci_proto_disconn_cfm(conn, ev->reason);
+ hci_conn_del(conn);
+
+unlock:
hci_dev_unlock(hdev);
}
@@ -1098,8 +1424,10 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s
if (!ev->status) {
conn->link_mode |= HCI_LM_AUTH;
conn->sec_level = conn->pending_sec_level;
- } else
+ } else {
+ mgmt_auth_failed(hdev->id, &conn->dst, ev->status);
conn->sec_level = BT_SECURITY_LOW;
+ }
clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
@@ -1393,11 +1721,54 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_cc_write_ca_timeout(hdev, skb);
break;
+ case HCI_OP_DELETE_STORED_LINK_KEY:
+ hci_cc_delete_stored_link_key(hdev, skb);
+ break;
+
+ case HCI_OP_SET_EVENT_MASK:
+ hci_cc_set_event_mask(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_INQUIRY_MODE:
+ hci_cc_write_inquiry_mode(hdev, skb);
+ break;
+
+ case HCI_OP_READ_INQ_RSP_TX_POWER:
+ hci_cc_read_inq_rsp_tx_power(hdev, skb);
+ break;
+
+ case HCI_OP_SET_EVENT_FLT:
+ hci_cc_set_event_flt(hdev, skb);
+ break;
+
+ case HCI_OP_PIN_CODE_REPLY:
+ hci_cc_pin_code_reply(hdev, skb);
+ break;
+
+ case HCI_OP_PIN_CODE_NEG_REPLY:
+ hci_cc_pin_code_neg_reply(hdev, skb);
+ break;
+
+ case HCI_OP_LE_READ_BUFFER_SIZE:
+ hci_cc_le_read_buffer_size(hdev, skb);
+ break;
+
+ case HCI_OP_USER_CONFIRM_REPLY:
+ hci_cc_user_confirm_reply(hdev, skb);
+ break;
+
+ case HCI_OP_USER_CONFIRM_NEG_REPLY:
+ hci_cc_user_confirm_neg_reply(hdev, skb);
+ break;
+
default:
BT_DBG("%s opcode 0x%x", hdev->name, opcode);
break;
}
+ if (ev->opcode != HCI_OP_NOP)
+ del_timer(&hdev->cmd_timer);
+
if (ev->ncmd) {
atomic_set(&hdev->cmd_cnt, 1);
if (!skb_queue_empty(&hdev->cmd_q))
@@ -1459,11 +1830,23 @@ static inline void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cs_exit_sniff_mode(hdev, ev->status);
break;
+ case HCI_OP_DISCONNECT:
+ if (ev->status != 0)
+ mgmt_disconnect_failed(hdev->id);
+ break;
+
+ case HCI_OP_LE_CREATE_CONN:
+ hci_cs_le_create_conn(hdev, ev->status);
+ break;
+
default:
BT_DBG("%s opcode 0x%x", hdev->name, opcode);
break;
}
+ if (ev->opcode != HCI_OP_NOP)
+ del_timer(&hdev->cmd_timer);
+
if (ev->ncmd) {
atomic_set(&hdev->cmd_cnt, 1);
if (!skb_queue_empty(&hdev->cmd_q))
@@ -1529,6 +1912,16 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s
hdev->acl_cnt += count;
if (hdev->acl_cnt > hdev->acl_pkts)
hdev->acl_cnt = hdev->acl_pkts;
+ } else if (conn->type == LE_LINK) {
+ if (hdev->le_pkts) {
+ hdev->le_cnt += count;
+ if (hdev->le_cnt > hdev->le_pkts)
+ hdev->le_cnt = hdev->le_pkts;
+ } else {
+ hdev->acl_cnt += count;
+ if (hdev->acl_cnt > hdev->acl_pkts)
+ hdev->acl_cnt = hdev->acl_pkts;
+ }
} else {
hdev->sco_cnt += count;
if (hdev->sco_cnt > hdev->sco_pkts)
@@ -1586,18 +1979,72 @@ static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff
hci_conn_put(conn);
}
+ if (!test_bit(HCI_PAIRABLE, &hdev->flags))
+ hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
+ sizeof(ev->bdaddr), &ev->bdaddr);
+
+ if (test_bit(HCI_MGMT, &hdev->flags))
+ mgmt_pin_code_request(hdev->id, &ev->bdaddr);
+
hci_dev_unlock(hdev);
}
static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
+ struct hci_ev_link_key_req *ev = (void *) skb->data;
+ struct hci_cp_link_key_reply cp;
+ struct hci_conn *conn;
+ struct link_key *key;
+
BT_DBG("%s", hdev->name);
+
+ if (!test_bit(HCI_LINK_KEYS, &hdev->flags))
+ return;
+
+ hci_dev_lock(hdev);
+
+ key = hci_find_link_key(hdev, &ev->bdaddr);
+ if (!key) {
+ BT_DBG("%s link key not found for %s", hdev->name,
+ batostr(&ev->bdaddr));
+ goto not_found;
+ }
+
+ BT_DBG("%s found key type %u for %s", hdev->name, key->type,
+ batostr(&ev->bdaddr));
+
+ if (!test_bit(HCI_DEBUG_KEYS, &hdev->flags) && key->type == 0x03) {
+ BT_DBG("%s ignoring debug key", hdev->name);
+ goto not_found;
+ }
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+
+ if (key->type == 0x04 && conn && conn->auth_type != 0xff &&
+ (conn->auth_type & 0x01)) {
+ BT_DBG("%s ignoring unauthenticated key", hdev->name);
+ goto not_found;
+ }
+
+ bacpy(&cp.bdaddr, &ev->bdaddr);
+ memcpy(cp.link_key, key->val, 16);
+
+ hci_send_cmd(hdev, HCI_OP_LINK_KEY_REPLY, sizeof(cp), &cp);
+
+ hci_dev_unlock(hdev);
+
+ return;
+
+not_found:
+ hci_send_cmd(hdev, HCI_OP_LINK_KEY_NEG_REPLY, 6, &ev->bdaddr);
+ hci_dev_unlock(hdev);
}
static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_link_key_notify *ev = (void *) skb->data;
struct hci_conn *conn;
+ u8 pin_len = 0;
BT_DBG("%s", hdev->name);
@@ -1607,9 +2054,14 @@ static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff
if (conn) {
hci_conn_hold(conn);
conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+ pin_len = conn->pin_length;
hci_conn_put(conn);
}
+ if (test_bit(HCI_LINK_KEYS, &hdev->flags))
+ hci_add_link_key(hdev, 1, &ev->bdaddr, ev->link_key,
+ ev->key_type, pin_len);
+
hci_dev_unlock(hdev);
}
@@ -1683,7 +2135,8 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
hci_dev_lock(hdev);
if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
- struct inquiry_info_with_rssi_and_pscan_mode *info = (void *) (skb->data + 1);
+ struct inquiry_info_with_rssi_and_pscan_mode *info;
+ info = (void *) (skb->data + 1);
for (; num_rsp; num_rsp--) {
bacpy(&data.bdaddr, &info->bdaddr);
@@ -1824,17 +2277,8 @@ static inline void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buf
static inline void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_sniff_subrate *ev = (void *) skb->data;
- struct hci_conn *conn;
BT_DBG("%s status %d", hdev->name, ev->status);
-
- hci_dev_lock(hdev);
-
- conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
- if (conn) {
- }
-
- hci_dev_unlock(hdev);
}
static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
@@ -1852,12 +2296,12 @@ static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct
for (; num_rsp; num_rsp--) {
bacpy(&data.bdaddr, &info->bdaddr);
- data.pscan_rep_mode = info->pscan_rep_mode;
- data.pscan_period_mode = info->pscan_period_mode;
- data.pscan_mode = 0x00;
+ data.pscan_rep_mode = info->pscan_rep_mode;
+ data.pscan_period_mode = info->pscan_period_mode;
+ data.pscan_mode = 0x00;
memcpy(data.dev_class, info->dev_class, 3);
- data.clock_offset = info->clock_offset;
- data.rssi = info->rssi;
+ data.clock_offset = info->clock_offset;
+ data.rssi = info->rssi;
data.ssp_mode = 0x01;
info++;
hci_inquiry_cache_update(hdev, &data);
@@ -1866,6 +2310,25 @@ static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct
hci_dev_unlock(hdev);
}
+static inline u8 hci_get_auth_req(struct hci_conn *conn)
+{
+ /* If remote requests dedicated bonding follow that lead */
+ if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03) {
+ /* If both remote and local IO capabilities allow MITM
+ * protection then require it, otherwise don't */
+ if (conn->remote_cap == 0x03 || conn->io_capability == 0x03)
+ return 0x02;
+ else
+ return 0x03;
+ }
+
+ /* If remote requests no-bonding follow that lead */
+ if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
+ return 0x00;
+
+ return conn->auth_type;
+}
+
static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_io_capa_request *ev = (void *) skb->data;
@@ -1876,8 +2339,73 @@ static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
- if (conn)
- hci_conn_hold(conn);
+ if (!conn)
+ goto unlock;
+
+ hci_conn_hold(conn);
+
+ if (!test_bit(HCI_MGMT, &hdev->flags))
+ goto unlock;
+
+ if (test_bit(HCI_PAIRABLE, &hdev->flags) ||
+ (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
+ struct hci_cp_io_capability_reply cp;
+
+ bacpy(&cp.bdaddr, &ev->bdaddr);
+ cp.capability = conn->io_capability;
+ cp.oob_data = 0;
+ cp.authentication = hci_get_auth_req(conn);
+
+ hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_REPLY,
+ sizeof(cp), &cp);
+ } else {
+ struct hci_cp_io_capability_neg_reply cp;
+
+ bacpy(&cp.bdaddr, &ev->bdaddr);
+ cp.reason = 0x16; /* Pairing not allowed */
+
+ hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
+ sizeof(cp), &cp);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static inline void hci_io_capa_reply_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_io_capa_reply *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+ if (!conn)
+ goto unlock;
+
+ hci_conn_hold(conn);
+
+ conn->remote_cap = ev->capability;
+ conn->remote_oob = ev->oob_data;
+ conn->remote_auth = ev->authentication;
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static inline void hci_user_confirm_request_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_user_confirm_req *ev = (void *) skb->data;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ if (test_bit(HCI_MGMT, &hdev->flags))
+ mgmt_user_confirm_request(hdev->id, &ev->bdaddr, ev->passkey);
hci_dev_unlock(hdev);
}
@@ -1892,9 +2420,20 @@ static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
- if (conn)
- hci_conn_put(conn);
+ if (!conn)
+ goto unlock;
+
+ /* To avoid duplicate auth_failed events to user space we check
+ * the HCI_CONN_AUTH_PEND flag which will be set if we
+ * initiated the authentication. A traditional auth_complete
+ * event gets always produced as initiator and is also mapped to
+ * the mgmt_auth_failed event */
+ if (!test_bit(HCI_CONN_AUTH_PEND, &conn->pend) && ev->status != 0)
+ mgmt_auth_failed(hdev->id, &conn->dst, ev->status);
+
+ hci_conn_put(conn);
+unlock:
hci_dev_unlock(hdev);
}
@@ -1914,6 +2453,60 @@ static inline void hci_remote_host_features_evt(struct hci_dev *hdev, struct sk_
hci_dev_unlock(hdev);
}
+static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_le_conn_complete *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status %d", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &ev->bdaddr);
+ if (!conn) {
+ conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
+ if (!conn) {
+ BT_ERR("No memory for new connection");
+ hci_dev_unlock(hdev);
+ return;
+ }
+ }
+
+ if (ev->status) {
+ hci_proto_connect_cfm(conn, ev->status);
+ conn->state = BT_CLOSED;
+ hci_conn_del(conn);
+ goto unlock;
+ }
+
+ conn->handle = __le16_to_cpu(ev->handle);
+ conn->state = BT_CONNECTED;
+
+ hci_conn_hold_device(conn);
+ hci_conn_add_sysfs(conn);
+
+ hci_proto_connect_cfm(conn, ev->status);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static inline void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_le_meta *le_ev = (void *) skb->data;
+
+ skb_pull(skb, sizeof(*le_ev));
+
+ switch (le_ev->subevent) {
+ case HCI_EV_LE_CONN_COMPLETE:
+ hci_le_conn_complete_evt(hdev, skb);
+ break;
+
+ default:
+ break;
+ }
+}
+
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_event_hdr *hdr = (void *) skb->data;
@@ -2042,6 +2635,14 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
hci_io_capa_request_evt(hdev, skb);
break;
+ case HCI_EV_IO_CAPA_REPLY:
+ hci_io_capa_reply_evt(hdev, skb);
+ break;
+
+ case HCI_EV_USER_CONFIRM_REQUEST:
+ hci_user_confirm_request_evt(hdev, skb);
+ break;
+
case HCI_EV_SIMPLE_PAIR_COMPLETE:
hci_simple_pair_complete_evt(hdev, skb);
break;
@@ -2050,6 +2651,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
hci_remote_host_features_evt(hdev, skb);
break;
+ case HCI_EV_LE_META:
+ hci_le_meta_evt(hdev, skb);
+ break;
+
default:
BT_DBG("%s event 0x%x", hdev->name, event);
break;
@@ -2083,6 +2688,6 @@ void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data)
bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
skb->dev = (void *) hdev;
- hci_send_to_sock(hdev, skb);
+ hci_send_to_sock(hdev, skb, NULL);
kfree_skb(skb);
}