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-rw-r--r--net/bluetooth/hci_event.c3879
1 files changed, 3879 insertions, 0 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
new file mode 100644
index 0000000..dcaa6db
--- /dev/null
+++ b/net/bluetooth/hci_event.c
@@ -0,0 +1,3879 @@
+/*
+ BlueZ - Bluetooth protocol stack for Linux
+ Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
+
+ Written 2000,2001 by Maxim Krasnyansky <maxk@qualcomm.com>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License version 2 as
+ published by the Free Software Foundation;
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ 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
+ 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
+ SOFTWARE IS DISCLAIMED.
+*/
+
+/* Bluetooth HCI event handling. */
+
+#include <asm/unaligned.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/mgmt.h>
+#include <net/bluetooth/a2mp.h>
+#include <net/bluetooth/amp.h>
+
+/* Handle HCI Event packets */
+
+static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (status) {
+ hci_dev_lock(hdev);
+ mgmt_stop_discovery_failed(hdev, status);
+ hci_dev_unlock(hdev);
+ return;
+ }
+
+ clear_bit(HCI_INQUIRY, &hdev->flags);
+ smp_mb__after_clear_bit(); /* wake_up_bit advises about this barrier */
+ wake_up_bit(&hdev->flags, HCI_INQUIRY);
+
+ hci_dev_lock(hdev);
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+ hci_dev_unlock(hdev);
+
+ hci_conn_check_pending(hdev);
+}
+
+static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (status)
+ return;
+
+ set_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
+}
+
+static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (status)
+ return;
+
+ clear_bit(HCI_PERIODIC_INQ, &hdev->dev_flags);
+
+ hci_conn_check_pending(hdev);
+}
+
+static void hci_cc_remote_name_req_cancel(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ BT_DBG("%s", hdev->name);
+}
+
+static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_role_discovery *rp = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
+ if (conn) {
+ if (rp->role)
+ conn->link_mode &= ~HCI_LM_MASTER;
+ else
+ conn->link_mode |= HCI_LM_MASTER;
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_read_link_policy *rp = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
+ if (conn)
+ conn->link_policy = __le16_to_cpu(rp->policy);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_write_link_policy *rp = (void *) skb->data;
+ struct hci_conn *conn;
+ void *sent;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LINK_POLICY);
+ if (!sent)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(rp->handle));
+ if (conn)
+ conn->link_policy = get_unaligned_le16(sent + 2);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_read_def_link_policy(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_def_link_policy *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hdev->link_policy = __le16_to_cpu(rp->policy);
+}
+
+static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+ void *sent;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY);
+ if (!sent)
+ return;
+
+ if (!status)
+ hdev->link_policy = get_unaligned_le16(sent);
+}
+
+static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ clear_bit(HCI_RESET, &hdev->flags);
+
+ /* Reset all non-persistent flags */
+ hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
+
+ hdev->discovery.state = DISCOVERY_STOPPED;
+ hdev->inq_tx_power = HCI_TX_POWER_INVALID;
+ hdev->adv_tx_power = HCI_TX_POWER_INVALID;
+
+ memset(hdev->adv_data, 0, sizeof(hdev->adv_data));
+ hdev->adv_data_len = 0;
+}
+
+static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+ void *sent;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME);
+ if (!sent)
+ return;
+
+ hci_dev_lock(hdev);
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_set_local_name_complete(hdev, sent, status);
+ else if (!status)
+ memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_read_local_name *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ if (test_bit(HCI_SETUP, &hdev->dev_flags))
+ memcpy(hdev->dev_name, rp->name, HCI_MAX_NAME_LENGTH);
+}
+
+static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+ void *sent;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE);
+ if (!sent)
+ return;
+
+ if (!status) {
+ __u8 param = *((__u8 *) sent);
+
+ if (param == AUTH_ENABLED)
+ set_bit(HCI_AUTH, &hdev->flags);
+ else
+ clear_bit(HCI_AUTH, &hdev->flags);
+ }
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_auth_enable_complete(hdev, status);
+}
+
+static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+ void *sent;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE);
+ if (!sent)
+ return;
+
+ if (!status) {
+ __u8 param = *((__u8 *) sent);
+
+ if (param)
+ set_bit(HCI_ENCRYPT, &hdev->flags);
+ else
+ clear_bit(HCI_ENCRYPT, &hdev->flags);
+ }
+}
+
+static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 param, status = *((__u8 *) skb->data);
+ int old_pscan, old_iscan;
+ void *sent;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE);
+ if (!sent)
+ return;
+
+ param = *((__u8 *) sent);
+
+ hci_dev_lock(hdev);
+
+ if (status) {
+ mgmt_write_scan_failed(hdev, param, status);
+ hdev->discov_timeout = 0;
+ goto done;
+ }
+
+ old_pscan = test_and_clear_bit(HCI_PSCAN, &hdev->flags);
+ old_iscan = test_and_clear_bit(HCI_ISCAN, &hdev->flags);
+
+ if (param & SCAN_INQUIRY) {
+ set_bit(HCI_ISCAN, &hdev->flags);
+ if (!old_iscan)
+ mgmt_discoverable(hdev, 1);
+ if (hdev->discov_timeout > 0) {
+ int to = msecs_to_jiffies(hdev->discov_timeout * 1000);
+ queue_delayed_work(hdev->workqueue, &hdev->discov_off,
+ to);
+ }
+ } else if (old_iscan)
+ mgmt_discoverable(hdev, 0);
+
+ if (param & SCAN_PAGE) {
+ set_bit(HCI_PSCAN, &hdev->flags);
+ if (!old_pscan)
+ mgmt_connectable(hdev, 1);
+ } else if (old_pscan)
+ mgmt_connectable(hdev, 0);
+
+done:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_read_class_of_dev *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ memcpy(hdev->dev_class, rp->dev_class, 3);
+
+ BT_DBG("%s class 0x%.2x%.2x%.2x", hdev->name,
+ hdev->dev_class[2], hdev->dev_class[1], hdev->dev_class[0]);
+}
+
+static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+ void *sent;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV);
+ if (!sent)
+ return;
+
+ hci_dev_lock(hdev);
+
+ if (status == 0)
+ memcpy(hdev->dev_class, sent, 3);
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_set_class_of_dev_complete(hdev, sent, status);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_read_voice_setting *rp = (void *) skb->data;
+ __u16 setting;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ setting = __le16_to_cpu(rp->voice_setting);
+
+ if (hdev->voice_setting == setting)
+ return;
+
+ hdev->voice_setting = setting;
+
+ BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
+
+ if (hdev->notify)
+ hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
+}
+
+static void hci_cc_write_voice_setting(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+ __u16 setting;
+ void *sent;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (status)
+ return;
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_VOICE_SETTING);
+ if (!sent)
+ return;
+
+ setting = get_unaligned_le16(sent);
+
+ if (hdev->voice_setting == setting)
+ return;
+
+ hdev->voice_setting = setting;
+
+ BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting);
+
+ if (hdev->notify)
+ hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
+}
+
+static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+ struct hci_cp_write_ssp_mode *sent;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE);
+ if (!sent)
+ return;
+
+ if (!status) {
+ if (sent->mode)
+ hdev->features[1][0] |= LMP_HOST_SSP;
+ else
+ hdev->features[1][0] &= ~LMP_HOST_SSP;
+ }
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_ssp_enable_complete(hdev, sent->mode, status);
+ else if (!status) {
+ if (sent->mode)
+ set_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
+ else
+ clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags);
+ }
+}
+
+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;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ 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 0x%4.4x hci ver %d:%d", hdev->name,
+ hdev->manufacturer, hdev->hci_ver, hdev->hci_rev);
+}
+
+static void hci_cc_read_local_commands(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_local_commands *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (!rp->status)
+ memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
+}
+
+static void hci_cc_read_local_features(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_local_features *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ memcpy(hdev->features, rp->features, 8);
+
+ /* Adjust default settings according to features
+ * supported by device. */
+
+ if (hdev->features[0][0] & LMP_3SLOT)
+ hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
+
+ if (hdev->features[0][0] & LMP_5SLOT)
+ hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
+
+ if (hdev->features[0][1] & LMP_HV2) {
+ hdev->pkt_type |= (HCI_HV2);
+ hdev->esco_type |= (ESCO_HV2);
+ }
+
+ if (hdev->features[0][1] & LMP_HV3) {
+ hdev->pkt_type |= (HCI_HV3);
+ hdev->esco_type |= (ESCO_HV3);
+ }
+
+ if (lmp_esco_capable(hdev))
+ hdev->esco_type |= (ESCO_EV3);
+
+ if (hdev->features[0][4] & LMP_EV4)
+ hdev->esco_type |= (ESCO_EV4);
+
+ if (hdev->features[0][4] & LMP_EV5)
+ hdev->esco_type |= (ESCO_EV5);
+
+ if (hdev->features[0][5] & LMP_EDR_ESCO_2M)
+ hdev->esco_type |= (ESCO_2EV3);
+
+ if (hdev->features[0][5] & LMP_EDR_ESCO_3M)
+ hdev->esco_type |= (ESCO_3EV3);
+
+ if (hdev->features[0][5] & LMP_EDR_3S_ESCO)
+ hdev->esco_type |= (ESCO_2EV5 | ESCO_3EV5);
+
+ BT_DBG("%s features 0x%.2x%.2x%.2x%.2x%.2x%.2x%.2x%.2x", hdev->name,
+ hdev->features[0][0], hdev->features[0][1],
+ hdev->features[0][2], hdev->features[0][3],
+ hdev->features[0][4], hdev->features[0][5],
+ hdev->features[0][6], hdev->features[0][7]);
+}
+
+static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_local_ext_features *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hdev->max_page = rp->max_page;
+
+ if (rp->page < HCI_MAX_PAGES)
+ memcpy(hdev->features[rp->page], rp->features, 8);
+}
+
+static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_flow_control_mode *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (!rp->status)
+ hdev->flow_ctl_mode = rp->mode;
+}
+
+static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_read_buffer_size *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hdev->acl_mtu = __le16_to_cpu(rp->acl_mtu);
+ hdev->sco_mtu = rp->sco_mtu;
+ hdev->acl_pkts = __le16_to_cpu(rp->acl_max_pkt);
+ hdev->sco_pkts = __le16_to_cpu(rp->sco_max_pkt);
+
+ if (test_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks)) {
+ hdev->sco_mtu = 64;
+ hdev->sco_pkts = 8;
+ }
+
+ hdev->acl_cnt = hdev->acl_pkts;
+ hdev->sco_cnt = hdev->sco_pkts;
+
+ BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu,
+ hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts);
+}
+
+static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_read_bd_addr *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (!rp->status)
+ bacpy(&hdev->bdaddr, &rp->bdaddr);
+}
+
+static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (test_bit(HCI_INIT, &hdev->flags) && !rp->status) {
+ hdev->page_scan_interval = __le16_to_cpu(rp->interval);
+ hdev->page_scan_window = __le16_to_cpu(rp->window);
+ }
+}
+
+static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ u8 status = *((u8 *) skb->data);
+ struct hci_cp_write_page_scan_activity *sent;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (status)
+ return;
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
+ if (!sent)
+ return;
+
+ hdev->page_scan_interval = __le16_to_cpu(sent->interval);
+ hdev->page_scan_window = __le16_to_cpu(sent->window);
+}
+
+static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (test_bit(HCI_INIT, &hdev->flags) && !rp->status)
+ hdev->page_scan_type = rp->type;
+}
+
+static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ u8 status = *((u8 *) skb->data);
+ u8 *type;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (status)
+ return;
+
+ type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
+ if (type)
+ hdev->page_scan_type = *type;
+}
+
+static void hci_cc_read_data_block_size(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_data_block_size *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ return;
+
+ hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
+ hdev->block_len = __le16_to_cpu(rp->block_len);
+ hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
+
+ hdev->block_cnt = hdev->num_blocks;
+
+ BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
+ hdev->block_cnt, hdev->block_len);
+}
+
+static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_local_amp_info *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ goto a2mp_rsp;
+
+ hdev->amp_status = rp->amp_status;
+ hdev->amp_total_bw = __le32_to_cpu(rp->total_bw);
+ hdev->amp_max_bw = __le32_to_cpu(rp->max_bw);
+ hdev->amp_min_latency = __le32_to_cpu(rp->min_latency);
+ hdev->amp_max_pdu = __le32_to_cpu(rp->max_pdu);
+ hdev->amp_type = rp->amp_type;
+ hdev->amp_pal_cap = __le16_to_cpu(rp->pal_cap);
+ hdev->amp_assoc_size = __le16_to_cpu(rp->max_assoc_size);
+ hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
+ hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
+
+a2mp_rsp:
+ a2mp_send_getinfo_rsp(hdev);
+}
+
+static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data;
+ struct amp_assoc *assoc = &hdev->loc_assoc;
+ size_t rem_len, frag_len;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (rp->status)
+ goto a2mp_rsp;
+
+ frag_len = skb->len - sizeof(*rp);
+ rem_len = __le16_to_cpu(rp->rem_len);
+
+ if (rem_len > frag_len) {
+ BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len);
+
+ memcpy(assoc->data + assoc->offset, rp->frag, frag_len);
+ assoc->offset += frag_len;
+
+ /* Read other fragments */
+ amp_read_loc_assoc_frag(hdev, rp->phy_handle);
+
+ return;
+ }
+
+ memcpy(assoc->data + assoc->offset, rp->frag, rem_len);
+ assoc->len = assoc->offset + rem_len;
+ assoc->offset = 0;
+
+a2mp_rsp:
+ /* Send A2MP Rsp when all fragments are received */
+ a2mp_send_getampassoc_rsp(hdev, rp->status);
+ a2mp_send_create_phy_link_req(hdev, rp->status);
+}
+
+static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (!rp->status)
+ hdev->inq_tx_power = rp->tx_power;
+}
+
+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%2.2x", hdev->name, rp->status);
+
+ hci_dev_lock(hdev);
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_pin_code_reply_complete(hdev, &rp->bdaddr, rp->status);
+
+ if (rp->status)
+ goto unlock;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_PIN_CODE_REPLY);
+ if (!cp)
+ goto unlock;
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
+ if (conn)
+ conn->pin_length = cp->pin_len;
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+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%2.2x", hdev->name, rp->status);
+
+ hci_dev_lock(hdev);
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_pin_code_neg_reply_complete(hdev, &rp->bdaddr,
+ rp->status);
+
+ hci_dev_unlock(hdev);
+}
+
+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%2.2x", 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);
+}
+
+static void hci_cc_le_read_local_features(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_le_read_local_features *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (!rp->status)
+ memcpy(hdev->le_features, rp->features, 8);
+}
+
+static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (!rp->status)
+ hdev->adv_tx_power = rp->tx_power;
+}
+
+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%2.2x", hdev->name, rp->status);
+
+ hci_dev_lock(hdev);
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_user_confirm_reply_complete(hdev, &rp->bdaddr, ACL_LINK, 0,
+ rp->status);
+
+ hci_dev_unlock(hdev);
+}
+
+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%2.2x", hdev->name, rp->status);
+
+ hci_dev_lock(hdev);
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_user_confirm_neg_reply_complete(hdev, &rp->bdaddr,
+ ACL_LINK, 0, rp->status);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ hci_dev_lock(hdev);
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr, ACL_LINK,
+ 0, rp->status);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_user_passkey_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%2.2x", hdev->name, rp->status);
+
+ hci_dev_lock(hdev);
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
+ ACL_LINK, 0, rp->status);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ hci_dev_lock(hdev);
+ mgmt_read_local_oob_data_reply_complete(hdev, rp->hash,
+ rp->randomizer, rp->status);
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 *sent, status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE);
+ if (!sent)
+ return;
+
+ hci_dev_lock(hdev);
+
+ if (!status) {
+ if (*sent)
+ set_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags);
+ else
+ clear_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags);
+ }
+
+ if (!test_bit(HCI_INIT, &hdev->flags)) {
+ struct hci_request req;
+
+ hci_req_init(&req, hdev);
+ hci_update_ad(&req);
+ hci_req_run(&req, NULL);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (status) {
+ hci_dev_lock(hdev);
+ mgmt_start_discovery_failed(hdev, status);
+ hci_dev_unlock(hdev);
+ return;
+ }
+}
+
+static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_cp_le_set_scan_enable *cp;
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE);
+ if (!cp)
+ return;
+
+ switch (cp->enable) {
+ case LE_SCAN_ENABLE:
+ if (status) {
+ hci_dev_lock(hdev);
+ mgmt_start_discovery_failed(hdev, status);
+ hci_dev_unlock(hdev);
+ return;
+ }
+
+ set_bit(HCI_LE_SCAN, &hdev->dev_flags);
+
+ hci_dev_lock(hdev);
+ hci_discovery_set_state(hdev, DISCOVERY_FINDING);
+ hci_dev_unlock(hdev);
+ break;
+
+ case LE_SCAN_DISABLE:
+ if (status) {
+ hci_dev_lock(hdev);
+ mgmt_stop_discovery_failed(hdev, status);
+ hci_dev_unlock(hdev);
+ return;
+ }
+
+ clear_bit(HCI_LE_SCAN, &hdev->dev_flags);
+
+ if (hdev->discovery.type == DISCOV_TYPE_INTERLEAVED &&
+ hdev->discovery.state == DISCOVERY_FINDING) {
+ mgmt_interleaved_discovery(hdev);
+ } else {
+ hci_dev_lock(hdev);
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+ hci_dev_unlock(hdev);
+ }
+
+ break;
+
+ default:
+ BT_ERR("Used reserved LE_Scan_Enable param %d", cp->enable);
+ break;
+ }
+}
+
+static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_le_read_white_list_size *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size);
+
+ if (!rp->status)
+ hdev->le_white_list_size = rp->size;
+}
+
+static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_le_read_supported_states *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (!rp->status)
+ memcpy(hdev->le_states, rp->le_states, 8);
+}
+
+static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_cp_write_le_host_supported *sent;
+ __u8 status = *((__u8 *) skb->data);
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED);
+ if (!sent)
+ return;
+
+ if (!status) {
+ if (sent->le)
+ hdev->features[1][0] |= LMP_HOST_LE;
+ else
+ hdev->features[1][0] &= ~LMP_HOST_LE;
+
+ if (sent->simul)
+ hdev->features[1][0] |= LMP_HOST_LE_BREDR;
+ else
+ hdev->features[1][0] &= ~LMP_HOST_LE_BREDR;
+ }
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
+ !test_bit(HCI_INIT, &hdev->flags))
+ mgmt_le_enable_complete(hdev, sent->le, status);
+}
+
+static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x",
+ hdev->name, rp->status, rp->phy_handle);
+
+ if (rp->status)
+ return;
+
+ amp_write_rem_assoc_continue(hdev, rp->phy_handle);
+}
+
+static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
+{
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (status) {
+ hci_conn_check_pending(hdev);
+ hci_dev_lock(hdev);
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_start_discovery_failed(hdev, status);
+ hci_dev_unlock(hdev);
+ return;
+ }
+
+ set_bit(HCI_INQUIRY, &hdev->flags);
+
+ hci_dev_lock(hdev);
+ hci_discovery_set_state(hdev, DISCOVERY_FINDING);
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
+{
+ struct hci_cp_create_conn *cp;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN);
+ if (!cp)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
+
+ BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn);
+
+ if (status) {
+ if (conn && conn->state == BT_CONNECT) {
+ if (status != 0x0c || conn->attempt > 2) {
+ conn->state = BT_CLOSED;
+ hci_proto_connect_cfm(conn, status);
+ hci_conn_del(conn);
+ } else
+ conn->state = BT_CONNECT2;
+ }
+ } else {
+ if (!conn) {
+ conn = hci_conn_add(hdev, ACL_LINK, &cp->bdaddr);
+ if (conn) {
+ conn->out = true;
+ conn->link_mode |= HCI_LM_MASTER;
+ } else
+ BT_ERR("No memory for new connection");
+ }
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status)
+{
+ struct hci_cp_add_sco *cp;
+ struct hci_conn *acl, *sco;
+ __u16 handle;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (!status)
+ return;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_ADD_SCO);
+ if (!cp)
+ return;
+
+ handle = __le16_to_cpu(cp->handle);
+
+ BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
+
+ hci_dev_lock(hdev);
+
+ acl = hci_conn_hash_lookup_handle(hdev, handle);
+ if (acl) {
+ sco = acl->link;
+ if (sco) {
+ sco->state = BT_CLOSED;
+
+ hci_proto_connect_cfm(sco, status);
+ hci_conn_del(sco);
+ }
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status)
+{
+ struct hci_cp_auth_requested *cp;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (!status)
+ return;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_AUTH_REQUESTED);
+ if (!cp)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
+ if (conn) {
+ if (conn->state == BT_CONFIG) {
+ hci_proto_connect_cfm(conn, status);
+ hci_conn_drop(conn);
+ }
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
+{
+ struct hci_cp_set_conn_encrypt *cp;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (!status)
+ return;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_SET_CONN_ENCRYPT);
+ if (!cp)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
+ if (conn) {
+ if (conn->state == BT_CONFIG) {
+ hci_proto_connect_cfm(conn, status);
+ hci_conn_drop(conn);
+ }
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static int hci_outgoing_auth_needed(struct hci_dev *hdev,
+ struct hci_conn *conn)
+{
+ if (conn->state != BT_CONFIG || !conn->out)
+ return 0;
+
+ if (conn->pending_sec_level == BT_SECURITY_SDP)
+ return 0;
+
+ /* Only request authentication for SSP connections or non-SSP
+ * devices with sec_level HIGH or if MITM protection is requested */
+ if (!hci_conn_ssp_enabled(conn) && !(conn->auth_type & 0x01) &&
+ conn->pending_sec_level != BT_SECURITY_HIGH)
+ return 0;
+
+ return 1;
+}
+
+static int hci_resolve_name(struct hci_dev *hdev,
+ struct inquiry_entry *e)
+{
+ struct hci_cp_remote_name_req cp;
+
+ memset(&cp, 0, sizeof(cp));
+
+ bacpy(&cp.bdaddr, &e->data.bdaddr);
+ cp.pscan_rep_mode = e->data.pscan_rep_mode;
+ cp.pscan_mode = e->data.pscan_mode;
+ cp.clock_offset = e->data.clock_offset;
+
+ return hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
+}
+
+static bool hci_resolve_next_name(struct hci_dev *hdev)
+{
+ struct discovery_state *discov = &hdev->discovery;
+ struct inquiry_entry *e;
+
+ if (list_empty(&discov->resolve))
+ return false;
+
+ e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
+ if (!e)
+ return false;
+
+ if (hci_resolve_name(hdev, e) == 0) {
+ e->name_state = NAME_PENDING;
+ return true;
+ }
+
+ return false;
+}
+
+static void hci_check_pending_name(struct hci_dev *hdev, struct hci_conn *conn,
+ bdaddr_t *bdaddr, u8 *name, u8 name_len)
+{
+ struct discovery_state *discov = &hdev->discovery;
+ struct inquiry_entry *e;
+
+ if (conn && !test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
+ mgmt_device_connected(hdev, bdaddr, ACL_LINK, 0x00, 0, name,
+ name_len, conn->dev_class);
+
+ if (discov->state == DISCOVERY_STOPPED)
+ return;
+
+ if (discov->state == DISCOVERY_STOPPING)
+ goto discov_complete;
+
+ if (discov->state != DISCOVERY_RESOLVING)
+ return;
+
+ e = hci_inquiry_cache_lookup_resolve(hdev, bdaddr, NAME_PENDING);
+ /* If the device was not found in a list of found devices names of which
+ * are pending. there is no need to continue resolving a next name as it
+ * will be done upon receiving another Remote Name Request Complete
+ * Event */
+ if (!e)
+ return;
+
+ list_del(&e->list);
+ if (name) {
+ e->name_state = NAME_KNOWN;
+ mgmt_remote_name(hdev, bdaddr, ACL_LINK, 0x00,
+ e->data.rssi, name, name_len);
+ } else {
+ e->name_state = NAME_NOT_KNOWN;
+ }
+
+ if (hci_resolve_next_name(hdev))
+ return;
+
+discov_complete:
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+}
+
+static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
+{
+ struct hci_cp_remote_name_req *cp;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ /* If successful wait for the name req complete event before
+ * checking for the need to do authentication */
+ if (!status)
+ return;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_REMOTE_NAME_REQ);
+ if (!cp)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ hci_check_pending_name(hdev, conn, &cp->bdaddr, NULL, 0);
+
+ if (!conn)
+ goto unlock;
+
+ if (!hci_outgoing_auth_needed(hdev, conn))
+ goto unlock;
+
+ if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
+ struct hci_cp_auth_requested cp;
+ cp.handle = __cpu_to_le16(conn->handle);
+ hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status)
+{
+ struct hci_cp_read_remote_features *cp;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (!status)
+ return;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_FEATURES);
+ if (!cp)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
+ if (conn) {
+ if (conn->state == BT_CONFIG) {
+ hci_proto_connect_cfm(conn, status);
+ hci_conn_drop(conn);
+ }
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status)
+{
+ struct hci_cp_read_remote_ext_features *cp;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (!status)
+ return;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES);
+ if (!cp)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
+ if (conn) {
+ if (conn->state == BT_CONFIG) {
+ hci_proto_connect_cfm(conn, status);
+ hci_conn_drop(conn);
+ }
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status)
+{
+ struct hci_cp_setup_sync_conn *cp;
+ struct hci_conn *acl, *sco;
+ __u16 handle;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (!status)
+ return;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_SETUP_SYNC_CONN);
+ if (!cp)
+ return;
+
+ handle = __le16_to_cpu(cp->handle);
+
+ BT_DBG("%s handle 0x%4.4x", hdev->name, handle);
+
+ hci_dev_lock(hdev);
+
+ acl = hci_conn_hash_lookup_handle(hdev, handle);
+ if (acl) {
+ sco = acl->link;
+ if (sco) {
+ sco->state = BT_CLOSED;
+
+ hci_proto_connect_cfm(sco, status);
+ hci_conn_del(sco);
+ }
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status)
+{
+ struct hci_cp_sniff_mode *cp;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (!status)
+ return;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_SNIFF_MODE);
+ if (!cp)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
+ if (conn) {
+ clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
+
+ if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
+ hci_sco_setup(conn, status);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status)
+{
+ struct hci_cp_exit_sniff_mode *cp;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (!status)
+ return;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_EXIT_SNIFF_MODE);
+ if (!cp)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
+ if (conn) {
+ clear_bit(HCI_CONN_MODE_CHANGE_PEND, &conn->flags);
+
+ if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
+ hci_sco_setup(conn, status);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cs_disconnect(struct hci_dev *hdev, u8 status)
+{
+ struct hci_cp_disconnect *cp;
+ struct hci_conn *conn;
+
+ if (!status)
+ return;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_DISCONNECT);
+ if (!cp)
+ return;
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(cp->handle));
+ if (conn)
+ mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
+ conn->dst_type, status);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
+{
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (status) {
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
+ if (!conn) {
+ hci_dev_unlock(hdev);
+ return;
+ }
+
+ BT_DBG("%s bdaddr %pMR conn %p", hdev->name, &conn->dst, conn);
+
+ conn->state = BT_CLOSED;
+ mgmt_connect_failed(hdev, &conn->dst, conn->type,
+ conn->dst_type, status);
+ hci_proto_connect_cfm(conn, status);
+ hci_conn_del(conn);
+
+ hci_dev_unlock(hdev);
+ }
+}
+
+static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
+{
+ struct hci_cp_create_phy_link *cp;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK);
+ if (!cp)
+ return;
+
+ hci_dev_lock(hdev);
+
+ if (status) {
+ struct hci_conn *hcon;
+
+ hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle);
+ if (hcon)
+ hci_conn_del(hcon);
+ } else {
+ amp_write_remote_assoc(hdev, cp->phy_handle);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
+{
+ struct hci_cp_accept_phy_link *cp;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (status)
+ return;
+
+ cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK);
+ if (!cp)
+ return;
+
+ amp_write_remote_assoc(hdev, cp->phy_handle);
+}
+
+static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ __u8 status = *((__u8 *) skb->data);
+ struct discovery_state *discov = &hdev->discovery;
+ struct inquiry_entry *e;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ hci_conn_check_pending(hdev);
+
+ if (!test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
+ return;
+
+ smp_mb__after_clear_bit(); /* wake_up_bit advises about this barrier */
+ wake_up_bit(&hdev->flags, HCI_INQUIRY);
+
+ if (!test_bit(HCI_MGMT, &hdev->dev_flags))
+ return;
+
+ hci_dev_lock(hdev);
+
+ if (discov->state != DISCOVERY_FINDING)
+ goto unlock;
+
+ if (list_empty(&discov->resolve)) {
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+ goto unlock;
+ }
+
+ e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_NEEDED);
+ if (e && hci_resolve_name(hdev, e) == 0) {
+ e->name_state = NAME_PENDING;
+ hci_discovery_set_state(hdev, DISCOVERY_RESOLVING);
+ } else {
+ hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct inquiry_data data;
+ struct inquiry_info *info = (void *) (skb->data + 1);
+ int num_rsp = *((__u8 *) skb->data);
+
+ BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
+
+ if (!num_rsp)
+ return;
+
+ if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
+ return;
+
+ hci_dev_lock(hdev);
+
+ for (; num_rsp; num_rsp--, info++) {
+ bool name_known, ssp;
+
+ bacpy(&data.bdaddr, &info->bdaddr);
+ data.pscan_rep_mode = info->pscan_rep_mode;
+ data.pscan_period_mode = info->pscan_period_mode;
+ data.pscan_mode = info->pscan_mode;
+ memcpy(data.dev_class, info->dev_class, 3);
+ data.clock_offset = info->clock_offset;
+ data.rssi = 0x00;
+ data.ssp_mode = 0x00;
+
+ name_known = hci_inquiry_cache_update(hdev, &data, false, &ssp);
+ mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
+ info->dev_class, 0, !name_known, ssp, NULL,
+ 0);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_conn_complete *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
+ if (!conn) {
+ if (ev->link_type != SCO_LINK)
+ goto unlock;
+
+ conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
+ if (!conn)
+ goto unlock;
+
+ conn->type = SCO_LINK;
+ }
+
+ if (!ev->status) {
+ conn->handle = __le16_to_cpu(ev->handle);
+
+ if (conn->type == ACL_LINK) {
+ conn->state = BT_CONFIG;
+ hci_conn_hold(conn);
+
+ if (!conn->out && !hci_conn_ssp_enabled(conn) &&
+ !hci_find_link_key(hdev, &ev->bdaddr))
+ conn->disc_timeout = HCI_PAIRING_TIMEOUT;
+ else
+ conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+ } else
+ conn->state = BT_CONNECTED;
+
+ hci_conn_add_sysfs(conn);
+
+ if (test_bit(HCI_AUTH, &hdev->flags))
+ conn->link_mode |= HCI_LM_AUTH;
+
+ if (test_bit(HCI_ENCRYPT, &hdev->flags))
+ conn->link_mode |= HCI_LM_ENCRYPT;
+
+ /* Get remote features */
+ if (conn->type == ACL_LINK) {
+ struct hci_cp_read_remote_features cp;
+ cp.handle = ev->handle;
+ hci_send_cmd(hdev, HCI_OP_READ_REMOTE_FEATURES,
+ sizeof(cp), &cp);
+ }
+
+ /* Set packet type for incoming connection */
+ if (!conn->out && hdev->hci_ver < BLUETOOTH_VER_2_0) {
+ struct hci_cp_change_conn_ptype cp;
+ cp.handle = ev->handle;
+ cp.pkt_type = cpu_to_le16(conn->pkt_type);
+ hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp),
+ &cp);
+ }
+ } else {
+ conn->state = BT_CLOSED;
+ if (conn->type == ACL_LINK)
+ mgmt_connect_failed(hdev, &ev->bdaddr, conn->type,
+ conn->dst_type, ev->status);
+ }
+
+ if (conn->type == ACL_LINK)
+ hci_sco_setup(conn, ev->status);
+
+ if (ev->status) {
+ hci_proto_connect_cfm(conn, ev->status);
+ hci_conn_del(conn);
+ } else if (ev->link_type != ACL_LINK)
+ hci_proto_connect_cfm(conn, ev->status);
+
+unlock:
+ hci_dev_unlock(hdev);
+
+ hci_conn_check_pending(hdev);
+}
+
+static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_conn_request *ev = (void *) skb->data;
+ int mask = hdev->link_mode;
+ __u8 flags = 0;
+
+ BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr,
+ ev->link_type);
+
+ mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type,
+ &flags);
+
+ if ((mask & HCI_LM_ACCEPT) &&
+ !hci_blacklist_lookup(hdev, &ev->bdaddr)) {
+ /* Connection accepted */
+ struct inquiry_entry *ie;
+ struct hci_conn *conn;
+
+ hci_dev_lock(hdev);
+
+ ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
+ if (ie)
+ memcpy(ie->data.dev_class, ev->dev_class, 3);
+
+ conn = hci_conn_hash_lookup_ba(hdev, ev->link_type,
+ &ev->bdaddr);
+ if (!conn) {
+ conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr);
+ if (!conn) {
+ BT_ERR("No memory for new connection");
+ hci_dev_unlock(hdev);
+ return;
+ }
+ }
+
+ memcpy(conn->dev_class, ev->dev_class, 3);
+
+ hci_dev_unlock(hdev);
+
+ if (ev->link_type == ACL_LINK ||
+ (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
+ struct hci_cp_accept_conn_req cp;
+ conn->state = BT_CONNECT;
+
+ bacpy(&cp.bdaddr, &ev->bdaddr);
+
+ if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER))
+ cp.role = 0x00; /* Become master */
+ else
+ cp.role = 0x01; /* Remain slave */
+
+ hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp),
+ &cp);
+ } else if (!(flags & HCI_PROTO_DEFER)) {
+ struct hci_cp_accept_sync_conn_req cp;
+ conn->state = BT_CONNECT;
+
+ bacpy(&cp.bdaddr, &ev->bdaddr);
+ cp.pkt_type = cpu_to_le16(conn->pkt_type);
+
+ cp.tx_bandwidth = __constant_cpu_to_le32(0x00001f40);
+ cp.rx_bandwidth = __constant_cpu_to_le32(0x00001f40);
+ cp.max_latency = __constant_cpu_to_le16(0xffff);
+ cp.content_format = cpu_to_le16(hdev->voice_setting);
+ cp.retrans_effort = 0xff;
+
+ hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ,
+ sizeof(cp), &cp);
+ } else {
+ conn->state = BT_CONNECT2;
+ hci_proto_connect_cfm(conn, 0);
+ }
+ } else {
+ /* Connection rejected */
+ struct hci_cp_reject_conn_req cp;
+
+ bacpy(&cp.bdaddr, &ev->bdaddr);
+ cp.reason = HCI_ERROR_REJ_BAD_ADDR;
+ hci_send_cmd(hdev, HCI_OP_REJECT_CONN_REQ, sizeof(cp), &cp);
+ }
+}
+
+static u8 hci_to_mgmt_reason(u8 err)
+{
+ switch (err) {
+ case HCI_ERROR_CONNECTION_TIMEOUT:
+ return MGMT_DEV_DISCONN_TIMEOUT;
+ case HCI_ERROR_REMOTE_USER_TERM:
+ case HCI_ERROR_REMOTE_LOW_RESOURCES:
+ case HCI_ERROR_REMOTE_POWER_OFF:
+ return MGMT_DEV_DISCONN_REMOTE;
+ case HCI_ERROR_LOCAL_HOST_TERM:
+ return MGMT_DEV_DISCONN_LOCAL_HOST;
+ default:
+ return MGMT_DEV_DISCONN_UNKNOWN;
+ }
+}
+
+static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_disconn_complete *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (!conn)
+ goto unlock;
+
+ if (ev->status == 0)
+ conn->state = BT_CLOSED;
+
+ if (test_and_clear_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags) &&
+ (conn->type == ACL_LINK || conn->type == LE_LINK)) {
+ if (ev->status) {
+ mgmt_disconnect_failed(hdev, &conn->dst, conn->type,
+ conn->dst_type, ev->status);
+ } else {
+ u8 reason = hci_to_mgmt_reason(ev->reason);
+
+ mgmt_device_disconnected(hdev, &conn->dst, conn->type,
+ conn->dst_type, reason);
+ }
+ }
+
+ if (ev->status == 0) {
+ if (conn->type == ACL_LINK && conn->flush_key)
+ hci_remove_link_key(hdev, &conn->dst);
+ hci_proto_disconn_cfm(conn, ev->reason);
+ hci_conn_del(conn);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_auth_complete *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (!conn)
+ goto unlock;
+
+ if (!ev->status) {
+ if (!hci_conn_ssp_enabled(conn) &&
+ test_bit(HCI_CONN_REAUTH_PEND, &conn->flags)) {
+ BT_INFO("re-auth of legacy device is not possible.");
+ } else {
+ conn->link_mode |= HCI_LM_AUTH;
+ conn->sec_level = conn->pending_sec_level;
+ }
+ } else {
+ mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
+ ev->status);
+ }
+
+ clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
+ clear_bit(HCI_CONN_REAUTH_PEND, &conn->flags);
+
+ if (conn->state == BT_CONFIG) {
+ if (!ev->status && hci_conn_ssp_enabled(conn)) {
+ struct hci_cp_set_conn_encrypt cp;
+ cp.handle = ev->handle;
+ cp.encrypt = 0x01;
+ hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
+ &cp);
+ } else {
+ conn->state = BT_CONNECTED;
+ hci_proto_connect_cfm(conn, ev->status);
+ hci_conn_drop(conn);
+ }
+ } else {
+ hci_auth_cfm(conn, ev->status);
+
+ hci_conn_hold(conn);
+ conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+ hci_conn_drop(conn);
+ }
+
+ if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) {
+ if (!ev->status) {
+ struct hci_cp_set_conn_encrypt cp;
+ cp.handle = ev->handle;
+ cp.encrypt = 0x01;
+ hci_send_cmd(hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
+ &cp);
+ } else {
+ clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
+ hci_encrypt_cfm(conn, ev->status, 0x00);
+ }
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_remote_name *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_conn_check_pending(hdev);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+
+ if (!test_bit(HCI_MGMT, &hdev->dev_flags))
+ goto check_auth;
+
+ if (ev->status == 0)
+ hci_check_pending_name(hdev, conn, &ev->bdaddr, ev->name,
+ strnlen(ev->name, HCI_MAX_NAME_LENGTH));
+ else
+ hci_check_pending_name(hdev, conn, &ev->bdaddr, NULL, 0);
+
+check_auth:
+ if (!conn)
+ goto unlock;
+
+ if (!hci_outgoing_auth_needed(hdev, conn))
+ goto unlock;
+
+ if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
+ struct hci_cp_auth_requested cp;
+ cp.handle = __cpu_to_le16(conn->handle);
+ hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_encrypt_change *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (conn) {
+ if (!ev->status) {
+ if (ev->encrypt) {
+ /* Encryption implies authentication */
+ conn->link_mode |= HCI_LM_AUTH;
+ conn->link_mode |= HCI_LM_ENCRYPT;
+ conn->sec_level = conn->pending_sec_level;
+ } else
+ conn->link_mode &= ~HCI_LM_ENCRYPT;
+ }
+
+ clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
+
+ if (ev->status && conn->state == BT_CONNECTED) {
+ hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
+ hci_conn_drop(conn);
+ goto unlock;
+ }
+
+ if (conn->state == BT_CONFIG) {
+ if (!ev->status)
+ conn->state = BT_CONNECTED;
+
+ hci_proto_connect_cfm(conn, ev->status);
+ hci_conn_drop(conn);
+ } else
+ hci_encrypt_cfm(conn, ev->status, ev->encrypt);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_change_link_key_complete_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_change_link_key_complete *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (conn) {
+ if (!ev->status)
+ conn->link_mode |= HCI_LM_SECURE;
+
+ clear_bit(HCI_CONN_AUTH_PEND, &conn->flags);
+
+ hci_key_change_cfm(conn, ev->status);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_remote_features_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_remote_features *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (!conn)
+ goto unlock;
+
+ if (!ev->status)
+ memcpy(conn->features[0], ev->features, 8);
+
+ if (conn->state != BT_CONFIG)
+ goto unlock;
+
+ if (!ev->status && lmp_ssp_capable(hdev) && lmp_ssp_capable(conn)) {
+ struct hci_cp_read_remote_ext_features cp;
+ cp.handle = ev->handle;
+ cp.page = 0x01;
+ hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
+ sizeof(cp), &cp);
+ goto unlock;
+ }
+
+ if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
+ struct hci_cp_remote_name_req cp;
+ memset(&cp, 0, sizeof(cp));
+ bacpy(&cp.bdaddr, &conn->dst);
+ cp.pscan_rep_mode = 0x02;
+ hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
+ } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
+ mgmt_device_connected(hdev, &conn->dst, conn->type,
+ conn->dst_type, 0, NULL, 0,
+ conn->dev_class);
+
+ if (!hci_outgoing_auth_needed(hdev, conn)) {
+ conn->state = BT_CONNECTED;
+ hci_proto_connect_cfm(conn, ev->status);
+ hci_conn_drop(conn);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_cmd_complete *ev = (void *) skb->data;
+ u8 status = skb->data[sizeof(*ev)];
+ __u16 opcode;
+
+ skb_pull(skb, sizeof(*ev));
+
+ opcode = __le16_to_cpu(ev->opcode);
+
+ switch (opcode) {
+ case HCI_OP_INQUIRY_CANCEL:
+ hci_cc_inquiry_cancel(hdev, skb);
+ break;
+
+ case HCI_OP_PERIODIC_INQ:
+ hci_cc_periodic_inq(hdev, skb);
+ break;
+
+ case HCI_OP_EXIT_PERIODIC_INQ:
+ hci_cc_exit_periodic_inq(hdev, skb);
+ break;
+
+ case HCI_OP_REMOTE_NAME_REQ_CANCEL:
+ hci_cc_remote_name_req_cancel(hdev, skb);
+ break;
+
+ case HCI_OP_ROLE_DISCOVERY:
+ hci_cc_role_discovery(hdev, skb);
+ break;
+
+ case HCI_OP_READ_LINK_POLICY:
+ hci_cc_read_link_policy(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_LINK_POLICY:
+ hci_cc_write_link_policy(hdev, skb);
+ break;
+
+ case HCI_OP_READ_DEF_LINK_POLICY:
+ hci_cc_read_def_link_policy(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_DEF_LINK_POLICY:
+ hci_cc_write_def_link_policy(hdev, skb);
+ break;
+
+ case HCI_OP_RESET:
+ hci_cc_reset(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_LOCAL_NAME:
+ hci_cc_write_local_name(hdev, skb);
+ break;
+
+ case HCI_OP_READ_LOCAL_NAME:
+ hci_cc_read_local_name(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_AUTH_ENABLE:
+ hci_cc_write_auth_enable(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_ENCRYPT_MODE:
+ hci_cc_write_encrypt_mode(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_SCAN_ENABLE:
+ hci_cc_write_scan_enable(hdev, skb);
+ break;
+
+ case HCI_OP_READ_CLASS_OF_DEV:
+ hci_cc_read_class_of_dev(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_CLASS_OF_DEV:
+ hci_cc_write_class_of_dev(hdev, skb);
+ break;
+
+ case HCI_OP_READ_VOICE_SETTING:
+ hci_cc_read_voice_setting(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_VOICE_SETTING:
+ hci_cc_write_voice_setting(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_SSP_MODE:
+ hci_cc_write_ssp_mode(hdev, skb);
+ break;
+
+ case HCI_OP_READ_LOCAL_VERSION:
+ hci_cc_read_local_version(hdev, skb);
+ break;
+
+ case HCI_OP_READ_LOCAL_COMMANDS:
+ hci_cc_read_local_commands(hdev, skb);
+ break;
+
+ case HCI_OP_READ_LOCAL_FEATURES:
+ hci_cc_read_local_features(hdev, skb);
+ break;
+
+ case HCI_OP_READ_LOCAL_EXT_FEATURES:
+ hci_cc_read_local_ext_features(hdev, skb);
+ break;
+
+ case HCI_OP_READ_BUFFER_SIZE:
+ hci_cc_read_buffer_size(hdev, skb);
+ break;
+
+ case HCI_OP_READ_BD_ADDR:
+ hci_cc_read_bd_addr(hdev, skb);
+ break;
+
+ case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
+ hci_cc_read_page_scan_activity(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
+ hci_cc_write_page_scan_activity(hdev, skb);
+ break;
+
+ case HCI_OP_READ_PAGE_SCAN_TYPE:
+ hci_cc_read_page_scan_type(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_PAGE_SCAN_TYPE:
+ hci_cc_write_page_scan_type(hdev, skb);
+ break;
+
+ case HCI_OP_READ_DATA_BLOCK_SIZE:
+ hci_cc_read_data_block_size(hdev, skb);
+ break;
+
+ case HCI_OP_READ_FLOW_CONTROL_MODE:
+ hci_cc_read_flow_control_mode(hdev, skb);
+ break;
+
+ case HCI_OP_READ_LOCAL_AMP_INFO:
+ hci_cc_read_local_amp_info(hdev, skb);
+ break;
+
+ case HCI_OP_READ_LOCAL_AMP_ASSOC:
+ hci_cc_read_local_amp_assoc(hdev, skb);
+ break;
+
+ case HCI_OP_READ_INQ_RSP_TX_POWER:
+ hci_cc_read_inq_rsp_tx_power(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_READ_LOCAL_OOB_DATA:
+ hci_cc_read_local_oob_data_reply(hdev, skb);
+ break;
+
+ case HCI_OP_LE_READ_BUFFER_SIZE:
+ hci_cc_le_read_buffer_size(hdev, skb);
+ break;
+
+ case HCI_OP_LE_READ_LOCAL_FEATURES:
+ hci_cc_le_read_local_features(hdev, skb);
+ break;
+
+ case HCI_OP_LE_READ_ADV_TX_POWER:
+ hci_cc_le_read_adv_tx_power(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;
+
+ case HCI_OP_USER_PASSKEY_REPLY:
+ hci_cc_user_passkey_reply(hdev, skb);
+ break;
+
+ case HCI_OP_USER_PASSKEY_NEG_REPLY:
+ hci_cc_user_passkey_neg_reply(hdev, skb);
+ break;
+
+ case HCI_OP_LE_SET_SCAN_PARAM:
+ hci_cc_le_set_scan_param(hdev, skb);
+ break;
+
+ case HCI_OP_LE_SET_ADV_ENABLE:
+ hci_cc_le_set_adv_enable(hdev, skb);
+ break;
+
+ case HCI_OP_LE_SET_SCAN_ENABLE:
+ hci_cc_le_set_scan_enable(hdev, skb);
+ break;
+
+ case HCI_OP_LE_READ_WHITE_LIST_SIZE:
+ hci_cc_le_read_white_list_size(hdev, skb);
+ break;
+
+ case HCI_OP_LE_READ_SUPPORTED_STATES:
+ hci_cc_le_read_supported_states(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_LE_HOST_SUPPORTED:
+ hci_cc_write_le_host_supported(hdev, skb);
+ break;
+
+ case HCI_OP_WRITE_REMOTE_AMP_ASSOC:
+ hci_cc_write_remote_amp_assoc(hdev, skb);
+ break;
+
+ default:
+ BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
+ break;
+ }
+
+ if (opcode != HCI_OP_NOP)
+ del_timer(&hdev->cmd_timer);
+
+ hci_req_cmd_complete(hdev, opcode, status);
+
+ if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
+ atomic_set(&hdev->cmd_cnt, 1);
+ if (!skb_queue_empty(&hdev->cmd_q))
+ queue_work(hdev->workqueue, &hdev->cmd_work);
+ }
+}
+
+static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_cmd_status *ev = (void *) skb->data;
+ __u16 opcode;
+
+ skb_pull(skb, sizeof(*ev));
+
+ opcode = __le16_to_cpu(ev->opcode);
+
+ switch (opcode) {
+ case HCI_OP_INQUIRY:
+ hci_cs_inquiry(hdev, ev->status);
+ break;
+
+ case HCI_OP_CREATE_CONN:
+ hci_cs_create_conn(hdev, ev->status);
+ break;
+
+ case HCI_OP_ADD_SCO:
+ hci_cs_add_sco(hdev, ev->status);
+ break;
+
+ case HCI_OP_AUTH_REQUESTED:
+ hci_cs_auth_requested(hdev, ev->status);
+ break;
+
+ case HCI_OP_SET_CONN_ENCRYPT:
+ hci_cs_set_conn_encrypt(hdev, ev->status);
+ break;
+
+ case HCI_OP_REMOTE_NAME_REQ:
+ hci_cs_remote_name_req(hdev, ev->status);
+ break;
+
+ case HCI_OP_READ_REMOTE_FEATURES:
+ hci_cs_read_remote_features(hdev, ev->status);
+ break;
+
+ case HCI_OP_READ_REMOTE_EXT_FEATURES:
+ hci_cs_read_remote_ext_features(hdev, ev->status);
+ break;
+
+ case HCI_OP_SETUP_SYNC_CONN:
+ hci_cs_setup_sync_conn(hdev, ev->status);
+ break;
+
+ case HCI_OP_SNIFF_MODE:
+ hci_cs_sniff_mode(hdev, ev->status);
+ break;
+
+ case HCI_OP_EXIT_SNIFF_MODE:
+ hci_cs_exit_sniff_mode(hdev, ev->status);
+ break;
+
+ case HCI_OP_DISCONNECT:
+ hci_cs_disconnect(hdev, ev->status);
+ break;
+
+ case HCI_OP_LE_CREATE_CONN:
+ hci_cs_le_create_conn(hdev, ev->status);
+ break;
+
+ case HCI_OP_CREATE_PHY_LINK:
+ hci_cs_create_phylink(hdev, ev->status);
+ break;
+
+ case HCI_OP_ACCEPT_PHY_LINK:
+ hci_cs_accept_phylink(hdev, ev->status);
+ break;
+
+ default:
+ BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
+ break;
+ }
+
+ if (opcode != HCI_OP_NOP)
+ del_timer(&hdev->cmd_timer);
+
+ if (ev->status ||
+ (hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
+ hci_req_cmd_complete(hdev, opcode, ev->status);
+
+ if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
+ atomic_set(&hdev->cmd_cnt, 1);
+ if (!skb_queue_empty(&hdev->cmd_q))
+ queue_work(hdev->workqueue, &hdev->cmd_work);
+ }
+}
+
+static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_role_change *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+ if (conn) {
+ if (!ev->status) {
+ if (ev->role)
+ conn->link_mode &= ~HCI_LM_MASTER;
+ else
+ conn->link_mode |= HCI_LM_MASTER;
+ }
+
+ clear_bit(HCI_CONN_RSWITCH_PEND, &conn->flags);
+
+ hci_role_switch_cfm(conn, ev->status, ev->role);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_num_comp_pkts *ev = (void *) skb->data;
+ int i;
+
+ if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_PACKET_BASED) {
+ BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
+ return;
+ }
+
+ if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
+ ev->num_hndl * sizeof(struct hci_comp_pkts_info)) {
+ BT_DBG("%s bad parameters", hdev->name);
+ return;
+ }
+
+ BT_DBG("%s num_hndl %d", hdev->name, ev->num_hndl);
+
+ for (i = 0; i < ev->num_hndl; i++) {
+ struct hci_comp_pkts_info *info = &ev->handles[i];
+ struct hci_conn *conn;
+ __u16 handle, count;
+
+ handle = __le16_to_cpu(info->handle);
+ count = __le16_to_cpu(info->count);
+
+ conn = hci_conn_hash_lookup_handle(hdev, handle);
+ if (!conn)
+ continue;
+
+ conn->sent -= count;
+
+ switch (conn->type) {
+ case ACL_LINK:
+ hdev->acl_cnt += count;
+ if (hdev->acl_cnt > hdev->acl_pkts)
+ hdev->acl_cnt = hdev->acl_pkts;
+ break;
+
+ case 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;
+ }
+ break;
+
+ case SCO_LINK:
+ hdev->sco_cnt += count;
+ if (hdev->sco_cnt > hdev->sco_pkts)
+ hdev->sco_cnt = hdev->sco_pkts;
+ break;
+
+ default:
+ BT_ERR("Unknown type %d conn %p", conn->type, conn);
+ break;
+ }
+ }
+
+ queue_work(hdev->workqueue, &hdev->tx_work);
+}
+
+static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev,
+ __u16 handle)
+{
+ struct hci_chan *chan;
+
+ switch (hdev->dev_type) {
+ case HCI_BREDR:
+ return hci_conn_hash_lookup_handle(hdev, handle);
+ case HCI_AMP:
+ chan = hci_chan_lookup_handle(hdev, handle);
+ if (chan)
+ return chan->conn;
+ break;
+ default:
+ BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type);
+ break;
+ }
+
+ return NULL;
+}
+
+static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
+ int i;
+
+ if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
+ BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
+ return;
+ }
+
+ if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
+ ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
+ BT_DBG("%s bad parameters", hdev->name);
+ return;
+ }
+
+ BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
+ ev->num_hndl);
+
+ for (i = 0; i < ev->num_hndl; i++) {
+ struct hci_comp_blocks_info *info = &ev->handles[i];
+ struct hci_conn *conn = NULL;
+ __u16 handle, block_count;
+
+ handle = __le16_to_cpu(info->handle);
+ block_count = __le16_to_cpu(info->blocks);
+
+ conn = __hci_conn_lookup_handle(hdev, handle);
+ if (!conn)
+ continue;
+
+ conn->sent -= block_count;
+
+ switch (conn->type) {
+ case ACL_LINK:
+ case AMP_LINK:
+ hdev->block_cnt += block_count;
+ if (hdev->block_cnt > hdev->num_blocks)
+ hdev->block_cnt = hdev->num_blocks;
+ break;
+
+ default:
+ BT_ERR("Unknown type %d conn %p", conn->type, conn);
+ break;
+ }
+ }
+
+ queue_work(hdev->workqueue, &hdev->tx_work);
+}
+
+static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_mode_change *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (conn) {
+ conn->mode = ev->mode;
+ conn->interval = __le16_to_cpu(ev->interval);
+
+ if (!test_and_clear_bit(HCI_CONN_MODE_CHANGE_PEND,
+ &conn->flags)) {
+ if (conn->mode == HCI_CM_ACTIVE)
+ set_bit(HCI_CONN_POWER_SAVE, &conn->flags);
+ else
+ clear_bit(HCI_CONN_POWER_SAVE, &conn->flags);
+ }
+
+ if (test_and_clear_bit(HCI_CONN_SCO_SETUP_PEND, &conn->flags))
+ hci_sco_setup(conn, ev->status);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_pin_code_req *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;
+
+ if (conn->state == BT_CONNECTED) {
+ hci_conn_hold(conn);
+ conn->disc_timeout = HCI_PAIRING_TIMEOUT;
+ hci_conn_drop(conn);
+ }
+
+ if (!test_bit(HCI_PAIRABLE, &hdev->dev_flags))
+ hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
+ sizeof(ev->bdaddr), &ev->bdaddr);
+ else if (test_bit(HCI_MGMT, &hdev->dev_flags)) {
+ u8 secure;
+
+ if (conn->pending_sec_level == BT_SECURITY_HIGH)
+ secure = 1;
+ else
+ secure = 0;
+
+ mgmt_pin_code_request(hdev, &ev->bdaddr, secure);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static 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->dev_flags))
+ return;
+
+ hci_dev_lock(hdev);
+
+ key = hci_find_link_key(hdev, &ev->bdaddr);
+ if (!key) {
+ BT_DBG("%s link key not found for %pMR", hdev->name,
+ &ev->bdaddr);
+ goto not_found;
+ }
+
+ BT_DBG("%s found key type %u for %pMR", hdev->name, key->type,
+ &ev->bdaddr);
+
+ if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) &&
+ key->type == HCI_LK_DEBUG_COMBINATION) {
+ BT_DBG("%s ignoring debug key", hdev->name);
+ goto not_found;
+ }
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+ if (conn) {
+ if (key->type == HCI_LK_UNAUTH_COMBINATION &&
+ conn->auth_type != 0xff && (conn->auth_type & 0x01)) {
+ BT_DBG("%s ignoring unauthenticated key", hdev->name);
+ goto not_found;
+ }
+
+ if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
+ conn->pending_sec_level == BT_SECURITY_HIGH) {
+ BT_DBG("%s ignoring key unauthenticated for high security",
+ hdev->name);
+ goto not_found;
+ }
+
+ conn->key_type = key->type;
+ conn->pin_length = key->pin_len;
+ }
+
+ bacpy(&cp.bdaddr, &ev->bdaddr);
+ memcpy(cp.link_key, key->val, HCI_LINK_KEY_SIZE);
+
+ 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 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);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+ if (conn) {
+ hci_conn_hold(conn);
+ conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+ pin_len = conn->pin_length;
+
+ if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
+ conn->key_type = ev->key_type;
+
+ hci_conn_drop(conn);
+ }
+
+ if (test_bit(HCI_LINK_KEYS, &hdev->dev_flags))
+ hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
+ ev->key_type, pin_len);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_clock_offset *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (conn && !ev->status) {
+ struct inquiry_entry *ie;
+
+ ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
+ if (ie) {
+ ie->data.clock_offset = ev->clock_offset;
+ ie->timestamp = jiffies;
+ }
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_pkt_type_change *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (conn && !ev->status)
+ conn->pkt_type = __le16_to_cpu(ev->pkt_type);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
+ struct inquiry_entry *ie;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
+ if (ie) {
+ ie->data.pscan_rep_mode = ev->pscan_rep_mode;
+ ie->timestamp = jiffies;
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct inquiry_data data;
+ int num_rsp = *((__u8 *) skb->data);
+ bool name_known, ssp;
+
+ BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
+
+ if (!num_rsp)
+ return;
+
+ if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
+ return;
+
+ 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;
+ info = (void *) (skb->data + 1);
+
+ for (; num_rsp; num_rsp--, info++) {
+ bacpy(&data.bdaddr, &info->bdaddr);
+ data.pscan_rep_mode = info->pscan_rep_mode;
+ data.pscan_period_mode = info->pscan_period_mode;
+ data.pscan_mode = info->pscan_mode;
+ memcpy(data.dev_class, info->dev_class, 3);
+ data.clock_offset = info->clock_offset;
+ data.rssi = info->rssi;
+ data.ssp_mode = 0x00;
+
+ name_known = hci_inquiry_cache_update(hdev, &data,
+ false, &ssp);
+ mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
+ info->dev_class, info->rssi,
+ !name_known, ssp, NULL, 0);
+ }
+ } else {
+ struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
+
+ for (; num_rsp; num_rsp--, info++) {
+ 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;
+ memcpy(data.dev_class, info->dev_class, 3);
+ data.clock_offset = info->clock_offset;
+ data.rssi = info->rssi;
+ data.ssp_mode = 0x00;
+ name_known = hci_inquiry_cache_update(hdev, &data,
+ false, &ssp);
+ mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
+ info->dev_class, info->rssi,
+ !name_known, ssp, NULL, 0);
+ }
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_remote_ext_features_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_remote_ext_features *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (!conn)
+ goto unlock;
+
+ if (ev->page < HCI_MAX_PAGES)
+ memcpy(conn->features[ev->page], ev->features, 8);
+
+ if (!ev->status && ev->page == 0x01) {
+ struct inquiry_entry *ie;
+
+ ie = hci_inquiry_cache_lookup(hdev, &conn->dst);
+ if (ie)
+ ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
+
+ if (ev->features[0] & LMP_HOST_SSP) {
+ set_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
+ } else {
+ /* It is mandatory by the Bluetooth specification that
+ * Extended Inquiry Results are only used when Secure
+ * Simple Pairing is enabled, but some devices violate
+ * this.
+ *
+ * To make these devices work, the internal SSP
+ * enabled flag needs to be cleared if the remote host
+ * features do not indicate SSP support */
+ clear_bit(HCI_CONN_SSP_ENABLED, &conn->flags);
+ }
+ }
+
+ if (conn->state != BT_CONFIG)
+ goto unlock;
+
+ if (!ev->status && !test_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags)) {
+ struct hci_cp_remote_name_req cp;
+ memset(&cp, 0, sizeof(cp));
+ bacpy(&cp.bdaddr, &conn->dst);
+ cp.pscan_rep_mode = 0x02;
+ hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ, sizeof(cp), &cp);
+ } else if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
+ mgmt_device_connected(hdev, &conn->dst, conn->type,
+ conn->dst_type, 0, NULL, 0,
+ conn->dev_class);
+
+ if (!hci_outgoing_auth_needed(hdev, conn)) {
+ conn->state = BT_CONNECTED;
+ hci_proto_connect_cfm(conn, ev->status);
+ hci_conn_drop(conn);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_sync_conn_complete *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
+ if (!conn) {
+ if (ev->link_type == ESCO_LINK)
+ goto unlock;
+
+ conn = hci_conn_hash_lookup_ba(hdev, ESCO_LINK, &ev->bdaddr);
+ if (!conn)
+ goto unlock;
+
+ conn->type = SCO_LINK;
+ }
+
+ switch (ev->status) {
+ case 0x00:
+ conn->handle = __le16_to_cpu(ev->handle);
+ conn->state = BT_CONNECTED;
+
+ hci_conn_add_sysfs(conn);
+ break;
+
+ case 0x11: /* Unsupported Feature or Parameter Value */
+ case 0x1c: /* SCO interval rejected */
+ case 0x1a: /* Unsupported Remote Feature */
+ case 0x1f: /* Unspecified error */
+ if (conn->out && conn->attempt < 2) {
+ conn->pkt_type = (hdev->esco_type & SCO_ESCO_MASK) |
+ (hdev->esco_type & EDR_ESCO_MASK);
+ hci_setup_sync(conn, conn->link->handle);
+ goto unlock;
+ }
+ /* fall through */
+
+ default:
+ conn->state = BT_CLOSED;
+ break;
+ }
+
+ hci_proto_connect_cfm(conn, ev->status);
+ if (ev->status)
+ hci_conn_del(conn);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct inquiry_data data;
+ struct extended_inquiry_info *info = (void *) (skb->data + 1);
+ int num_rsp = *((__u8 *) skb->data);
+ size_t eir_len;
+
+ BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
+
+ if (!num_rsp)
+ return;
+
+ if (test_bit(HCI_PERIODIC_INQ, &hdev->dev_flags))
+ return;
+
+ hci_dev_lock(hdev);
+
+ for (; num_rsp; num_rsp--, info++) {
+ bool name_known, ssp;
+
+ 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;
+ memcpy(data.dev_class, info->dev_class, 3);
+ data.clock_offset = info->clock_offset;
+ data.rssi = info->rssi;
+ data.ssp_mode = 0x01;
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ name_known = eir_has_data_type(info->data,
+ sizeof(info->data),
+ EIR_NAME_COMPLETE);
+ else
+ name_known = true;
+
+ name_known = hci_inquiry_cache_update(hdev, &data, name_known,
+ &ssp);
+ eir_len = eir_get_length(info->data, sizeof(info->data));
+ mgmt_device_found(hdev, &info->bdaddr, ACL_LINK, 0x00,
+ info->dev_class, info->rssi, !name_known,
+ ssp, info->data, eir_len);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_key_refresh_complete *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status,
+ __le16_to_cpu(ev->handle));
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (!conn)
+ goto unlock;
+
+ if (!ev->status)
+ conn->sec_level = conn->pending_sec_level;
+
+ clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
+
+ if (ev->status && conn->state == BT_CONNECTED) {
+ hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
+ hci_conn_drop(conn);
+ goto unlock;
+ }
+
+ if (conn->state == BT_CONFIG) {
+ if (!ev->status)
+ conn->state = BT_CONNECTED;
+
+ hci_proto_connect_cfm(conn, ev->status);
+ hci_conn_drop(conn);
+ } else {
+ hci_auth_cfm(conn, ev->status);
+
+ hci_conn_hold(conn);
+ conn->disc_timeout = HCI_DISCONN_TIMEOUT;
+ hci_conn_drop(conn);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static 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 conn->remote_auth | (conn->auth_type & 0x01);
+
+ return conn->auth_type;
+}
+
+static void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_io_capa_request *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);
+
+ if (!test_bit(HCI_MGMT, &hdev->dev_flags))
+ goto unlock;
+
+ if (test_bit(HCI_PAIRABLE, &hdev->dev_flags) ||
+ (conn->remote_auth & ~0x01) == HCI_AT_NO_BONDING) {
+ struct hci_cp_io_capability_reply cp;
+
+ bacpy(&cp.bdaddr, &ev->bdaddr);
+ /* Change the IO capability from KeyboardDisplay
+ * to DisplayYesNo as it is not supported by BT spec. */
+ cp.capability = (conn->io_capability == 0x04) ?
+ 0x01 : conn->io_capability;
+ conn->auth_type = hci_get_auth_req(conn);
+ cp.authentication = conn->auth_type;
+
+ if (hci_find_remote_oob_data(hdev, &conn->dst) &&
+ (conn->out || test_bit(HCI_CONN_REMOTE_OOB, &conn->flags)))
+ cp.oob_data = 0x01;
+ else
+ cp.oob_data = 0x00;
+
+ 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 = HCI_ERROR_PAIRING_NOT_ALLOWED;
+
+ hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
+ sizeof(cp), &cp);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static 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;
+
+ conn->remote_cap = ev->capability;
+ conn->remote_auth = ev->authentication;
+ if (ev->oob_data)
+ set_bit(HCI_CONN_REMOTE_OOB, &conn->flags);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_user_confirm_request_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_user_confirm_req *ev = (void *) skb->data;
+ int loc_mitm, rem_mitm, confirm_hint = 0;
+ struct hci_conn *conn;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ if (!test_bit(HCI_MGMT, &hdev->dev_flags))
+ goto unlock;
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+ if (!conn)
+ goto unlock;
+
+ loc_mitm = (conn->auth_type & 0x01);
+ rem_mitm = (conn->remote_auth & 0x01);
+
+ /* If we require MITM but the remote device can't provide that
+ * (it has NoInputNoOutput) then reject the confirmation
+ * request. The only exception is when we're dedicated bonding
+ * initiators (connect_cfm_cb set) since then we always have the MITM
+ * bit set. */
+ if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
+ BT_DBG("Rejecting request: remote device can't provide MITM");
+ hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
+ sizeof(ev->bdaddr), &ev->bdaddr);
+ goto unlock;
+ }
+
+ /* If no side requires MITM protection; auto-accept */
+ if ((!loc_mitm || conn->remote_cap == 0x03) &&
+ (!rem_mitm || conn->io_capability == 0x03)) {
+
+ /* If we're not the initiators request authorization to
+ * proceed from user space (mgmt_user_confirm with
+ * confirm_hint set to 1). */
+ if (!test_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
+ BT_DBG("Confirming auto-accept as acceptor");
+ confirm_hint = 1;
+ goto confirm;
+ }
+
+ BT_DBG("Auto-accept of user confirmation with %ums delay",
+ hdev->auto_accept_delay);
+
+ if (hdev->auto_accept_delay > 0) {
+ int delay = msecs_to_jiffies(hdev->auto_accept_delay);
+ mod_timer(&conn->auto_accept_timer, jiffies + delay);
+ goto unlock;
+ }
+
+ hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
+ sizeof(ev->bdaddr), &ev->bdaddr);
+ goto unlock;
+ }
+
+confirm:
+ mgmt_user_confirm_request(hdev, &ev->bdaddr, ACL_LINK, 0, ev->passkey,
+ confirm_hint);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_user_passkey_request_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_user_passkey_req *ev = (void *) skb->data;
+
+ BT_DBG("%s", hdev->name);
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_user_passkey_request(hdev, &ev->bdaddr, ACL_LINK, 0);
+}
+
+static void hci_user_passkey_notify_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_user_passkey_notify *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s", hdev->name);
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+ if (!conn)
+ return;
+
+ conn->passkey_notify = __le32_to_cpu(ev->passkey);
+ conn->passkey_entered = 0;
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
+ conn->dst_type, conn->passkey_notify,
+ conn->passkey_entered);
+}
+
+static void hci_keypress_notify_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_keypress_notify *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s", hdev->name);
+
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
+ if (!conn)
+ return;
+
+ switch (ev->type) {
+ case HCI_KEYPRESS_STARTED:
+ conn->passkey_entered = 0;
+ return;
+
+ case HCI_KEYPRESS_ENTERED:
+ conn->passkey_entered++;
+ break;
+
+ case HCI_KEYPRESS_ERASED:
+ conn->passkey_entered--;
+ break;
+
+ case HCI_KEYPRESS_CLEARED:
+ conn->passkey_entered = 0;
+ break;
+
+ case HCI_KEYPRESS_COMPLETED:
+ return;
+ }
+
+ if (test_bit(HCI_MGMT, &hdev->dev_flags))
+ mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
+ conn->dst_type, conn->passkey_notify,
+ conn->passkey_entered);
+}
+
+static void hci_simple_pair_complete_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_simple_pair_complete *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;
+
+ /* 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->flags) && ev->status)
+ mgmt_auth_failed(hdev, &conn->dst, conn->type, conn->dst_type,
+ ev->status);
+
+ hci_conn_drop(conn);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_remote_host_features_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_remote_host_features *ev = (void *) skb->data;
+ struct inquiry_entry *ie;
+ 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)
+ memcpy(conn->features[1], ev->features, 8);
+
+ ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
+ if (ie)
+ ie->data.ssp_mode = (ev->features[0] & LMP_HOST_SSP);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_remote_oob_data_request_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_remote_oob_data_request *ev = (void *) skb->data;
+ struct oob_data *data;
+
+ BT_DBG("%s", hdev->name);
+
+ hci_dev_lock(hdev);
+
+ if (!test_bit(HCI_MGMT, &hdev->dev_flags))
+ goto unlock;
+
+ data = hci_find_remote_oob_data(hdev, &ev->bdaddr);
+ if (data) {
+ struct hci_cp_remote_oob_data_reply cp;
+
+ bacpy(&cp.bdaddr, &ev->bdaddr);
+ memcpy(cp.hash, data->hash, sizeof(cp.hash));
+ memcpy(cp.randomizer, data->randomizer, sizeof(cp.randomizer));
+
+ hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_REPLY, sizeof(cp),
+ &cp);
+ } else {
+ struct hci_cp_remote_oob_data_neg_reply cp;
+
+ bacpy(&cp.bdaddr, &ev->bdaddr);
+ hci_send_cmd(hdev, HCI_OP_REMOTE_OOB_DATA_NEG_REPLY, sizeof(cp),
+ &cp);
+ }
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_phy_link_complete_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_phy_link_complete *ev = (void *) skb->data;
+ struct hci_conn *hcon, *bredr_hcon;
+
+ BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle,
+ ev->status);
+
+ hci_dev_lock(hdev);
+
+ hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
+ if (!hcon) {
+ hci_dev_unlock(hdev);
+ return;
+ }
+
+ if (ev->status) {
+ hci_conn_del(hcon);
+ hci_dev_unlock(hdev);
+ return;
+ }
+
+ bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon;
+
+ hcon->state = BT_CONNECTED;
+ bacpy(&hcon->dst, &bredr_hcon->dst);
+
+ hci_conn_hold(hcon);
+ hcon->disc_timeout = HCI_DISCONN_TIMEOUT;
+ hci_conn_drop(hcon);
+
+ hci_conn_add_sysfs(hcon);
+
+ amp_physical_cfm(bredr_hcon, hcon);
+
+ hci_dev_unlock(hdev);
+}
+
+static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_logical_link_complete *ev = (void *) skb->data;
+ struct hci_conn *hcon;
+ struct hci_chan *hchan;
+ struct amp_mgr *mgr;
+
+ BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x",
+ hdev->name, le16_to_cpu(ev->handle), ev->phy_handle,
+ ev->status);
+
+ hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
+ if (!hcon)
+ return;
+
+ /* Create AMP hchan */
+ hchan = hci_chan_create(hcon);
+ if (!hchan)
+ return;
+
+ hchan->handle = le16_to_cpu(ev->handle);
+
+ BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan);
+
+ mgr = hcon->amp_mgr;
+ if (mgr && mgr->bredr_chan) {
+ struct l2cap_chan *bredr_chan = mgr->bredr_chan;
+
+ l2cap_chan_lock(bredr_chan);
+
+ bredr_chan->conn->mtu = hdev->block_mtu;
+ l2cap_logical_cfm(bredr_chan, hchan, 0);
+ hci_conn_hold(hcon);
+
+ l2cap_chan_unlock(bredr_chan);
+ }
+}
+
+static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data;
+ struct hci_chan *hchan;
+
+ BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name,
+ le16_to_cpu(ev->handle), ev->status);
+
+ if (ev->status)
+ return;
+
+ hci_dev_lock(hdev);
+
+ hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle));
+ if (!hchan)
+ goto unlock;
+
+ amp_destroy_logical_link(hchan, ev->reason);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data;
+ struct hci_conn *hcon;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
+
+ if (ev->status)
+ return;
+
+ hci_dev_lock(hdev);
+
+ hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
+ if (hcon) {
+ hcon->state = BT_CLOSED;
+ hci_conn_del(hcon);
+ }
+
+ hci_dev_unlock(hdev);
+}
+
+static 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 0x%2.2x", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT);
+ if (!conn) {
+ conn = hci_conn_add(hdev, LE_LINK, &ev->bdaddr);
+ if (!conn) {
+ BT_ERR("No memory for new connection");
+ goto unlock;
+ }
+
+ conn->dst_type = ev->bdaddr_type;
+
+ if (ev->role == LE_CONN_ROLE_MASTER) {
+ conn->out = true;
+ conn->link_mode |= HCI_LM_MASTER;
+ }
+ }
+
+ if (ev->status) {
+ mgmt_connect_failed(hdev, &conn->dst, conn->type,
+ conn->dst_type, ev->status);
+ hci_proto_connect_cfm(conn, ev->status);
+ conn->state = BT_CLOSED;
+ hci_conn_del(conn);
+ goto unlock;
+ }
+
+ if (!test_and_set_bit(HCI_CONN_MGMT_CONNECTED, &conn->flags))
+ mgmt_device_connected(hdev, &ev->bdaddr, conn->type,
+ conn->dst_type, 0, NULL, 0, NULL);
+
+ conn->sec_level = BT_SECURITY_LOW;
+ conn->handle = __le16_to_cpu(ev->handle);
+ conn->state = BT_CONNECTED;
+
+ hci_conn_add_sysfs(conn);
+
+ hci_proto_connect_cfm(conn, ev->status);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ u8 num_reports = skb->data[0];
+ void *ptr = &skb->data[1];
+ s8 rssi;
+
+ while (num_reports--) {
+ struct hci_ev_le_advertising_info *ev = ptr;
+
+ rssi = ev->data[ev->length];
+ mgmt_device_found(hdev, &ev->bdaddr, LE_LINK, ev->bdaddr_type,
+ NULL, rssi, 0, 1, ev->data, ev->length);
+
+ ptr += sizeof(*ev) + ev->length + 1;
+ }
+}
+
+static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_le_ltk_req *ev = (void *) skb->data;
+ struct hci_cp_le_ltk_reply cp;
+ struct hci_cp_le_ltk_neg_reply neg;
+ struct hci_conn *conn;
+ struct smp_ltk *ltk;
+
+ BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle));
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (conn == NULL)
+ goto not_found;
+
+ ltk = hci_find_ltk(hdev, ev->ediv, ev->random);
+ if (ltk == NULL)
+ goto not_found;
+
+ memcpy(cp.ltk, ltk->val, sizeof(ltk->val));
+ cp.handle = cpu_to_le16(conn->handle);
+
+ if (ltk->authenticated)
+ conn->pending_sec_level = BT_SECURITY_HIGH;
+ else
+ conn->pending_sec_level = BT_SECURITY_MEDIUM;
+
+ conn->enc_key_size = ltk->enc_size;
+
+ hci_send_cmd(hdev, HCI_OP_LE_LTK_REPLY, sizeof(cp), &cp);
+
+ if (ltk->type & HCI_SMP_STK) {
+ list_del(&ltk->list);
+ kfree(ltk);
+ }
+
+ hci_dev_unlock(hdev);
+
+ return;
+
+not_found:
+ neg.handle = ev->handle;
+ hci_send_cmd(hdev, HCI_OP_LE_LTK_NEG_REPLY, sizeof(neg), &neg);
+ hci_dev_unlock(hdev);
+}
+
+static 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;
+
+ case HCI_EV_LE_ADVERTISING_REPORT:
+ hci_le_adv_report_evt(hdev, skb);
+ break;
+
+ case HCI_EV_LE_LTK_REQ:
+ hci_le_ltk_request_evt(hdev, skb);
+ break;
+
+ default:
+ break;
+ }
+}
+
+static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_channel_selected *ev = (void *) skb->data;
+ struct hci_conn *hcon;
+
+ BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle);
+
+ skb_pull(skb, sizeof(*ev));
+
+ hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle);
+ if (!hcon)
+ return;
+
+ amp_read_loc_assoc_final_data(hdev, hcon);
+}
+
+void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_event_hdr *hdr = (void *) skb->data;
+ __u8 event = hdr->evt;
+
+ hci_dev_lock(hdev);
+
+ /* Received events are (currently) only needed when a request is
+ * ongoing so avoid unnecessary memory allocation.
+ */
+ if (hdev->req_status == HCI_REQ_PEND) {
+ kfree_skb(hdev->recv_evt);
+ hdev->recv_evt = skb_clone(skb, GFP_KERNEL);
+ }
+
+ hci_dev_unlock(hdev);
+
+ skb_pull(skb, HCI_EVENT_HDR_SIZE);
+
+ if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
+ struct hci_command_hdr *hdr = (void *) hdev->sent_cmd->data;
+ u16 opcode = __le16_to_cpu(hdr->opcode);
+
+ hci_req_cmd_complete(hdev, opcode, 0);
+ }
+
+ switch (event) {
+ case HCI_EV_INQUIRY_COMPLETE:
+ hci_inquiry_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_INQUIRY_RESULT:
+ hci_inquiry_result_evt(hdev, skb);
+ break;
+
+ case HCI_EV_CONN_COMPLETE:
+ hci_conn_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_CONN_REQUEST:
+ hci_conn_request_evt(hdev, skb);
+ break;
+
+ case HCI_EV_DISCONN_COMPLETE:
+ hci_disconn_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_AUTH_COMPLETE:
+ hci_auth_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_REMOTE_NAME:
+ hci_remote_name_evt(hdev, skb);
+ break;
+
+ case HCI_EV_ENCRYPT_CHANGE:
+ hci_encrypt_change_evt(hdev, skb);
+ break;
+
+ case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
+ hci_change_link_key_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_REMOTE_FEATURES:
+ hci_remote_features_evt(hdev, skb);
+ break;
+
+ case HCI_EV_CMD_COMPLETE:
+ hci_cmd_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_CMD_STATUS:
+ hci_cmd_status_evt(hdev, skb);
+ break;
+
+ case HCI_EV_ROLE_CHANGE:
+ hci_role_change_evt(hdev, skb);
+ break;
+
+ case HCI_EV_NUM_COMP_PKTS:
+ hci_num_comp_pkts_evt(hdev, skb);
+ break;
+
+ case HCI_EV_MODE_CHANGE:
+ hci_mode_change_evt(hdev, skb);
+ break;
+
+ case HCI_EV_PIN_CODE_REQ:
+ hci_pin_code_request_evt(hdev, skb);
+ break;
+
+ case HCI_EV_LINK_KEY_REQ:
+ hci_link_key_request_evt(hdev, skb);
+ break;
+
+ case HCI_EV_LINK_KEY_NOTIFY:
+ hci_link_key_notify_evt(hdev, skb);
+ break;
+
+ case HCI_EV_CLOCK_OFFSET:
+ hci_clock_offset_evt(hdev, skb);
+ break;
+
+ case HCI_EV_PKT_TYPE_CHANGE:
+ hci_pkt_type_change_evt(hdev, skb);
+ break;
+
+ case HCI_EV_PSCAN_REP_MODE:
+ hci_pscan_rep_mode_evt(hdev, skb);
+ break;
+
+ case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
+ hci_inquiry_result_with_rssi_evt(hdev, skb);
+ break;
+
+ case HCI_EV_REMOTE_EXT_FEATURES:
+ hci_remote_ext_features_evt(hdev, skb);
+ break;
+
+ case HCI_EV_SYNC_CONN_COMPLETE:
+ hci_sync_conn_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_EXTENDED_INQUIRY_RESULT:
+ hci_extended_inquiry_result_evt(hdev, skb);
+ break;
+
+ case HCI_EV_KEY_REFRESH_COMPLETE:
+ hci_key_refresh_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_IO_CAPA_REQUEST:
+ 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_USER_PASSKEY_REQUEST:
+ hci_user_passkey_request_evt(hdev, skb);
+ break;
+
+ case HCI_EV_USER_PASSKEY_NOTIFY:
+ hci_user_passkey_notify_evt(hdev, skb);
+ break;
+
+ case HCI_EV_KEYPRESS_NOTIFY:
+ hci_keypress_notify_evt(hdev, skb);
+ break;
+
+ case HCI_EV_SIMPLE_PAIR_COMPLETE:
+ hci_simple_pair_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_REMOTE_HOST_FEATURES:
+ hci_remote_host_features_evt(hdev, skb);
+ break;
+
+ case HCI_EV_LE_META:
+ hci_le_meta_evt(hdev, skb);
+ break;
+
+ case HCI_EV_CHANNEL_SELECTED:
+ hci_chan_selected_evt(hdev, skb);
+ break;
+
+ case HCI_EV_REMOTE_OOB_DATA_REQUEST:
+ hci_remote_oob_data_request_evt(hdev, skb);
+ break;
+
+ case HCI_EV_PHY_LINK_COMPLETE:
+ hci_phy_link_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_LOGICAL_LINK_COMPLETE:
+ hci_loglink_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE:
+ hci_disconn_loglink_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_DISCONN_PHY_LINK_COMPLETE:
+ hci_disconn_phylink_complete_evt(hdev, skb);
+ break;
+
+ case HCI_EV_NUM_COMP_BLOCKS:
+ hci_num_comp_blocks_evt(hdev, skb);
+ break;
+
+ default:
+ BT_DBG("%s event 0x%2.2x", hdev->name, event);
+ break;
+ }
+
+ kfree_skb(skb);
+ hdev->stat.evt_rx++;
+}