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hci_event.c
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/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (c) 2000-2001, 2010, Code Aurora Forum. All rights reserved.
Written 2000,2001 by Maxim Krasnyansky <[email protected]>
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);
hci_dev_lock(hdev);
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
hci_dev_unlock(hdev);
hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
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);
hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status);
}
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);
hci_req_complete(hdev, HCI_OP_RESET, status);
/* Reset all non-persistent flags */
hdev->dev_flags &= ~(BIT(HCI_LE_SCAN) | BIT(HCI_PENDING_CLASS) |
BIT(HCI_PERIODIC_INQ));
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);
if (!status && !test_bit(HCI_INIT, &hdev->flags))
hci_update_ad(hdev);
hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status);
}
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);
hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, 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);
}
hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status);
}
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);
hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
}
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_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%2.2x", hdev->name, status);
hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
}
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->host_features[0] |= LMP_HOST_SSP;
else
hdev->host_features[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 u8 hci_get_inquiry_mode(struct hci_dev *hdev)
{
if (lmp_ext_inq_capable(hdev))
return 2;
if (lmp_inq_rssi_capable(hdev))
return 1;
if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
hdev->lmp_subver == 0x0757)
return 1;
if (hdev->manufacturer == 15) {
if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963)
return 1;
if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963)
return 1;
if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965)
return 1;
}
if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 &&
hdev->lmp_subver == 0x1805)
return 1;
return 0;
}
static void hci_setup_inquiry_mode(struct hci_dev *hdev)
{
u8 mode;
mode = hci_get_inquiry_mode(hdev);
hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
}
static void hci_setup_event_mask(struct hci_dev *hdev)
{
/* The second byte is 0xff instead of 0x9f (two reserved bits
* disabled) since a Broadcom 1.2 dongle doesn't respond to the
* command otherwise */
u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
/* CSR 1.1 dongles does not accept any bitfield so don't try to set
* any event mask for pre 1.2 devices */
if (hdev->hci_ver < BLUETOOTH_VER_1_2)
return;
if (lmp_bredr_capable(hdev)) {
events[4] |= 0x01; /* Flow Specification Complete */
events[4] |= 0x02; /* Inquiry Result with RSSI */
events[4] |= 0x04; /* Read Remote Extended Features Complete */
events[5] |= 0x08; /* Synchronous Connection Complete */
events[5] |= 0x10; /* Synchronous Connection Changed */
}
if (lmp_inq_rssi_capable(hdev))
events[4] |= 0x02; /* Inquiry Result with RSSI */
if (lmp_sniffsubr_capable(hdev))
events[5] |= 0x20; /* Sniff Subrating */
if (lmp_pause_enc_capable(hdev))
events[5] |= 0x80; /* Encryption Key Refresh Complete */
if (lmp_ext_inq_capable(hdev))
events[5] |= 0x40; /* Extended Inquiry Result */
if (lmp_no_flush_capable(hdev))
events[7] |= 0x01; /* Enhanced Flush Complete */
if (lmp_lsto_capable(hdev))
events[6] |= 0x80; /* Link Supervision Timeout Changed */
if (lmp_ssp_capable(hdev)) {
events[6] |= 0x01; /* IO Capability Request */
events[6] |= 0x02; /* IO Capability Response */
events[6] |= 0x04; /* User Confirmation Request */
events[6] |= 0x08; /* User Passkey Request */
events[6] |= 0x10; /* Remote OOB Data Request */
events[6] |= 0x20; /* Simple Pairing Complete */
events[7] |= 0x04; /* User Passkey Notification */
events[7] |= 0x08; /* Keypress Notification */
events[7] |= 0x10; /* Remote Host Supported
* Features Notification */
}
if (lmp_le_capable(hdev))
events[7] |= 0x20; /* LE Meta-Event */
hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
if (lmp_le_capable(hdev)) {
memset(events, 0, sizeof(events));
events[0] = 0x1f;
hci_send_cmd(hdev, HCI_OP_LE_SET_EVENT_MASK,
sizeof(events), events);
}
}
static void bredr_setup(struct hci_dev *hdev)
{
struct hci_cp_delete_stored_link_key cp;
__le16 param;
__u8 flt_type;
/* Read Buffer Size (ACL mtu, max pkt, etc.) */
hci_send_cmd(hdev, HCI_OP_READ_BUFFER_SIZE, 0, NULL);
/* Read Class of Device */
hci_send_cmd(hdev, HCI_OP_READ_CLASS_OF_DEV, 0, NULL);
/* Read Local Name */
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL);
/* Read Voice Setting */
hci_send_cmd(hdev, HCI_OP_READ_VOICE_SETTING, 0, NULL);
/* Clear Event Filters */
flt_type = HCI_FLT_CLEAR_ALL;
hci_send_cmd(hdev, HCI_OP_SET_EVENT_FLT, 1, &flt_type);
/* Connection accept timeout ~20 secs */
param = __constant_cpu_to_le16(0x7d00);
hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, ¶m);
bacpy(&cp.bdaddr, BDADDR_ANY);
cp.delete_all = 1;
hci_send_cmd(hdev, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp);
}
static void le_setup(struct hci_dev *hdev)
{
/* Read LE Buffer Size */
hci_send_cmd(hdev, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL);
/* Read LE Local Supported Features */
hci_send_cmd(hdev, HCI_OP_LE_READ_LOCAL_FEATURES, 0, NULL);
/* Read LE Advertising Channel TX Power */
hci_send_cmd(hdev, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL);
/* Read LE White List Size */
hci_send_cmd(hdev, HCI_OP_LE_READ_WHITE_LIST_SIZE, 0, NULL);
/* Read LE Supported States */
hci_send_cmd(hdev, HCI_OP_LE_READ_SUPPORTED_STATES, 0, NULL);
}
static void hci_setup(struct hci_dev *hdev)
{
if (hdev->dev_type != HCI_BREDR)
return;
/* Read BD Address */
hci_send_cmd(hdev, HCI_OP_READ_BD_ADDR, 0, NULL);
if (lmp_bredr_capable(hdev))
bredr_setup(hdev);
if (lmp_le_capable(hdev))
le_setup(hdev);
hci_setup_event_mask(hdev);
if (hdev->hci_ver > BLUETOOTH_VER_1_1)
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
if (lmp_ssp_capable(hdev)) {
if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
u8 mode = 0x01;
hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE,
sizeof(mode), &mode);
} else {
struct hci_cp_write_eir cp;
memset(hdev->eir, 0, sizeof(hdev->eir));
memset(&cp, 0, sizeof(cp));
hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
}
}
if (lmp_inq_rssi_capable(hdev))
hci_setup_inquiry_mode(hdev);
if (lmp_inq_tx_pwr_capable(hdev))
hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
if (lmp_ext_feat_capable(hdev)) {
struct hci_cp_read_local_ext_features cp;
cp.page = 0x01;
hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp),
&cp);
}
if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) {
u8 enable = 1;
hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable),
&enable);
}
}
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)
goto done;
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);
if (test_bit(HCI_INIT, &hdev->flags))
hci_setup(hdev);
done:
hci_req_complete(hdev, HCI_OP_READ_LOCAL_VERSION, rp->status);
}
static void hci_setup_link_policy(struct hci_dev *hdev)
{
struct hci_cp_write_def_link_policy cp;
u16 link_policy = 0;
if (lmp_rswitch_capable(hdev))
link_policy |= HCI_LP_RSWITCH;
if (lmp_hold_capable(hdev))
link_policy |= HCI_LP_HOLD;
if (lmp_sniff_capable(hdev))
link_policy |= HCI_LP_SNIFF;
if (lmp_park_capable(hdev))
link_policy |= HCI_LP_PARK;
cp.policy = cpu_to_le16(link_policy);
hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(cp), &cp);
}
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)
goto done;
memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10))
hci_setup_link_policy(hdev);
done:
hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status);
}
static void hci_cc_read_local_features(struct hci_dev *hdev,
struct sk_buff *skb)
{
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] & LMP_3SLOT)
hdev->pkt_type |= (HCI_DM3 | HCI_DH3);
if (hdev->features[0] & LMP_5SLOT)
hdev->pkt_type |= (HCI_DM5 | HCI_DH5);
if (hdev->features[1] & LMP_HV2) {
hdev->pkt_type |= (HCI_HV2);
hdev->esco_type |= (ESCO_HV2);
}
if (hdev->features[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[4] & LMP_EV4)
hdev->esco_type |= (ESCO_EV4);
if (hdev->features[4] & LMP_EV5)
hdev->esco_type |= (ESCO_EV5);
if (hdev->features[5] & LMP_EDR_ESCO_2M)
hdev->esco_type |= (ESCO_2EV3);
if (hdev->features[5] & LMP_EDR_ESCO_3M)
hdev->esco_type |= (ESCO_3EV3);
if (hdev->features[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], hdev->features[1],
hdev->features[2], hdev->features[3],
hdev->features[4], hdev->features[5],
hdev->features[6], hdev->features[7]);
}
static void hci_set_le_support(struct hci_dev *hdev)
{
struct hci_cp_write_le_host_supported cp;
memset(&cp, 0, sizeof(cp));
if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
cp.le = 1;
cp.simul = lmp_le_br_capable(hdev);
}
if (cp.le != lmp_host_le_capable(hdev))
hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp),
&cp);
}
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)
goto done;
switch (rp->page) {
case 0:
memcpy(hdev->features, rp->features, 8);
break;
case 1:
memcpy(hdev->host_features, rp->features, 8);
break;
}
if (test_bit(HCI_INIT, &hdev->flags) && lmp_le_capable(hdev))
hci_set_le_support(hdev);
done:
hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
}
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)
return;
hdev->flow_ctl_mode = rp->mode;
hci_req_complete(hdev, HCI_OP_READ_FLOW_CONTROL_MODE, rp->status);
}
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);
hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
}
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);
hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status);
}
static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%2.2x", hdev->name, status);
hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
}
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);
hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status);
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_delete_stored_link_key(struct hci_dev *hdev,
struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%2.2x", hdev->name, status);
hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status);
}
static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);