xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next

Browse Source 
Johan Hedberg says:

====================
pull request: bluetooth-next 2020-09-29

Here's the main bluetooth-next pull request for 5.10:

 - Multiple fixes to suspend/resume handling
 - Added mgmt events for controller suspend/resume state
 - Improved extended advertising support
 - btintel: Enhanced support for next generation controllers
 - Added Qualcomm Bluetooth SoC WCN6855 support
 - Several other smaller fixes & improvements
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2020-09-29 13:22:53 -07:00
parent fe38d95bdb b40f58b973
commit 2bd056f550
22 changed files with 851 additions and 174 deletions
Download Patch File Download Diff File Expand all files Collapse all files

89
net/bluetooth/hci_event.c
View File

@@ -2569,7 +2569,6 @@ static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_conn_complete *ev = (void *) skb->data;
struct inquiry_entry *ie;
struct hci_conn *conn;
BT_DBG("%s", hdev->name);
@@ -2578,13 +2577,19 @@ static void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
conn = hci_conn_hash_lookup_ba(hdev, ev->link_type, &ev->bdaddr);
if (!conn) {
/* Connection may not exist if auto-connected. Check the inquiry
* cache to see if we've already discovered this bdaddr before.
* If found and link is an ACL type, create a connection class
/* Connection may not exist if auto-connected. Check the bredr
* allowlist to see if this device is allowed to auto connect.
* If link is an ACL type, create a connection class
* automatically.
*
* Auto-connect will only occur if the event filter is
* programmed with a given address. Right now, event filter is
* only used during suspend.
*/
ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr);
if (ie && ev->link_type == ACL_LINK) {
if (ev->link_type == ACL_LINK &&
hci_bdaddr_list_lookup_with_flags(&hdev->whitelist,
&ev->bdaddr,
BDADDR_BREDR)) {
conn = hci_conn_add(hdev, ev->link_type, &ev->bdaddr,
HCI_ROLE_SLAVE);
if (!conn) {
@@ -6012,6 +6017,75 @@ static bool hci_get_cmd_complete(struct hci_dev *hdev, u16 opcode,
return true;
}
static void hci_store_wake_reason(struct hci_dev *hdev, u8 event,
struct sk_buff *skb)
{
struct hci_ev_le_advertising_info *adv;
struct hci_ev_le_direct_adv_info *direct_adv;
struct hci_ev_le_ext_adv_report *ext_adv;
const struct hci_ev_conn_complete *conn_complete = (void *)skb->data;
const struct hci_ev_conn_request *conn_request = (void *)skb->data;
hci_dev_lock(hdev);
/* If we are currently suspended and this is the first BT event seen,
* save the wake reason associated with the event.
*/
if (!hdev->suspended || hdev->wake_reason)
goto unlock;
/* Default to remote wake. Values for wake_reason are documented in the
* Bluez mgmt api docs.
*/
hdev->wake_reason = MGMT_WAKE_REASON_REMOTE_WAKE;
/* Once configured for remote wakeup, we should only wake up for
* reconnections. It's useful to see which device is waking us up so
* keep track of the bdaddr of the connection event that woke us up.
*/
if (event == HCI_EV_CONN_REQUEST) {
bacpy(&hdev->wake_addr, &conn_complete->bdaddr);
hdev->wake_addr_type = BDADDR_BREDR;
} else if (event == HCI_EV_CONN_COMPLETE) {
bacpy(&hdev->wake_addr, &conn_request->bdaddr);
hdev->wake_addr_type = BDADDR_BREDR;
} else if (event == HCI_EV_LE_META) {
struct hci_ev_le_meta *le_ev = (void *)skb->data;
u8 subevent = le_ev->subevent;
u8 *ptr = &skb->data[sizeof(*le_ev)];
u8 num_reports = *ptr;
if ((subevent == HCI_EV_LE_ADVERTISING_REPORT ||
subevent == HCI_EV_LE_DIRECT_ADV_REPORT ||
subevent == HCI_EV_LE_EXT_ADV_REPORT) &&
num_reports) {
adv = (void *)(ptr + 1);
direct_adv = (void *)(ptr + 1);
ext_adv = (void *)(ptr + 1);
switch (subevent) {
case HCI_EV_LE_ADVERTISING_REPORT:
bacpy(&hdev->wake_addr, &adv->bdaddr);
hdev->wake_addr_type = adv->bdaddr_type;
break;
case HCI_EV_LE_DIRECT_ADV_REPORT:
bacpy(&hdev->wake_addr, &direct_adv->bdaddr);
hdev->wake_addr_type = direct_adv->bdaddr_type;
break;
case HCI_EV_LE_EXT_ADV_REPORT:
bacpy(&hdev->wake_addr, &ext_adv->bdaddr);
hdev->wake_addr_type = ext_adv->bdaddr_type;
break;
}
}
} else {
hdev->wake_reason = MGMT_WAKE_REASON_UNEXPECTED;
}
unlock:
hci_dev_unlock(hdev);
}
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_event_hdr *hdr = (void *) skb->data;
@@ -6045,6 +6119,9 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
skb_pull(skb, HCI_EVENT_HDR_SIZE);
/* Store wake reason if we're suspended */
hci_store_wake_reason(hdev, event, skb);
switch (event) {
case HCI_EV_INQUIRY_COMPLETE:
hci_inquiry_complete_evt(hdev, skb);