Hi Szymon,
> Local random address needs to be updated before creating connection if
> RPA from LE Direct Advertising Report was resolved in host. Otherwise
> remote device might ignore connection request due to address mismatch.
>
> This was affecting following qualification test cases:
> GAP/CONN/SCEP/BV-03-C, GAP/CONN/GCEP/BV-05-C, GAP/CONN/DCEP/BV-05-C
>
> Before patch:
> < HCI Command: LE Set Random Address (0x08|0x0005) plen 6 #11350 [hci0] 84680.231216
> Address: 56:BC:E8:24:11:68 (Resolvable)
> Identity type: Random (0x01)
> Identity: F2:F1:06:3D:9C:42 (Static)
>> HCI Event: Command Complete (0x0e) plen 4 #11351 [hci0] 84680.246022
> LE Set Random Address (0x08|0x0005) ncmd 1
> Status: Success (0x00)
> < HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7 #11352 [hci0] 84680.246417
> Type: Passive (0x00)
> Interval: 60.000 msec (0x0060)
> Window: 30.000 msec (0x0030)
> Own address type: Random (0x01)
> Filter policy: Accept all advertisement, inc. directed unresolved RPA (0x02)
>> HCI Event: Command Complete (0x0e) plen 4 #11353 [hci0] 84680.248854
> LE Set Scan Parameters (0x08|0x000b) ncmd 1
> Status: Success (0x00)
> < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 #11354 [hci0] 84680.249466
> Scanning: Enabled (0x01)
> Filter duplicates: Enabled (0x01)
>> HCI Event: Command Complete (0x0e) plen 4 #11355 [hci0] 84680.253222
> LE Set Scan Enable (0x08|0x000c) ncmd 1
> Status: Success (0x00)
>> HCI Event: LE Meta Event (0x3e) plen 18 #11356 [hci0] 84680.458387
> LE Direct Advertising Report (0x0b)
> Num reports: 1
> Event type: Connectable directed - ADV_DIRECT_IND (0x01)
> Address type: Random (0x01)
> Address: 53:38:DA:46:8C:45 (Resolvable)
> Identity type: Public (0x00)
> Identity: 11:22:33:44:55:66 (OUI 11-22-33)
> Direct address type: Random (0x01)
> Direct address: 7C:D6:76:8C:DF:82 (Resolvable)
> Identity type: Random (0x01)
> Identity: F2:F1:06:3D:9C:42 (Static)
> RSSI: -74 dBm (0xb6)
> < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 #11357 [hci0] 84680.458737
> Scanning: Disabled (0x00)
> Filter duplicates: Disabled (0x00)
>> HCI Event: Command Complete (0x0e) plen 4 #11358 [hci0] 84680.469982
> LE Set Scan Enable (0x08|0x000c) ncmd 1
> Status: Success (0x00)
> < HCI Command: LE Create Connection (0x08|0x000d) plen 25 #11359 [hci0] 84680.470444
> Scan interval: 60.000 msec (0x0060)
> Scan window: 60.000 msec (0x0060)
> Filter policy: White list is not used (0x00)
> Peer address type: Random (0x01)
> Peer address: 53:38:DA:46:8C:45 (Resolvable)
> Identity type: Public (0x00)
> Identity: 11:22:33:44:55:66 (OUI 11-22-33)
> Own address type: Random (0x01)
> Min connection interval: 30.00 msec (0x0018)
> Max connection interval: 50.00 msec (0x0028)
> Connection latency: 0 (0x0000)
> Supervision timeout: 420 msec (0x002a)
> Min connection length: 0.000 msec (0x0000)
> Max connection length: 0.000 msec (0x0000)
>> HCI Event: Command Status (0x0f) plen 4 #11360 [hci0] 84680.474971
> LE Create Connection (0x08|0x000d) ncmd 1
> Status: Success (0x00)
> < HCI Command: LE Create Connection Cancel (0x08|0x000e) plen 0 #11361 [hci0] 84682.545385
>> HCI Event: Command Complete (0x0e) plen 4 #11362 [hci0] 84682.551014
> LE Create Connection Cancel (0x08|0x000e) ncmd 1
> Status: Success (0x00)
>> HCI Event: LE Meta Event (0x3e) plen 19 #11363 [hci0] 84682.551074
> LE Connection Complete (0x01)
> Status: Unknown Connection Identifier (0x02)
> Handle: 0
> Role: Master (0x00)
> Peer address type: Public (0x00)
> Peer address: 00:00:00:00:00:00 (OUI 00-00-00)
> Connection interval: 0.00 msec (0x0000)
> Connection latency: 0 (0x0000)
> Supervision timeout: 0 msec (0x0000)
> Master clock accuracy: 0x00
>
> After patch:
> < HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7 #210 [hci0] 667.152459
> Type: Passive (0x00)
> Interval: 60.000 msec (0x0060)
> Window: 30.000 msec (0x0030)
> Own address type: Random (0x01)
> Filter policy: Accept all advertisement, inc. directed unresolved RPA (0x02)
>> HCI Event: Command Complete (0x0e) plen 4 #211 [hci0] 667.153613
> LE Set Scan Parameters (0x08|0x000b) ncmd 1
> Status: Success (0x00)
> < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 #212 [hci0] 667.153704
> Scanning: Enabled (0x01)
> Filter duplicates: Enabled (0x01)
>> HCI Event: Command Complete (0x0e) plen 4 #213 [hci0] 667.154584
> LE Set Scan Enable (0x08|0x000c) ncmd 1
> Status: Success (0x00)
>> HCI Event: LE Meta Event (0x3e) plen 18 #214 [hci0] 667.182619
> LE Direct Advertising Report (0x0b)
> Num reports: 1
> Event type: Connectable directed - ADV_DIRECT_IND (0x01)
> Address type: Random (0x01)
> Address: 50:52:D9:A6:48:A0 (Resolvable)
> Identity type: Public (0x00)
> Identity: 11:22:33:44:55:66 (OUI 11-22-33)
> Direct address type: Random (0x01)
> Direct address: 7C:C1:57:A5:B7:A8 (Resolvable)
> Identity type: Random (0x01)
> Identity: F4:28:73:5D:38:B0 (Static)
> RSSI: -70 dBm (0xba)
> < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2 #215 [hci0] 667.182704
> Scanning: Disabled (0x00)
> Filter duplicates: Disabled (0x00)
>> HCI Event: Command Complete (0x0e) plen 4 #216 [hci0] 667.183599
> LE Set Scan Enable (0x08|0x000c) ncmd 1
> Status: Success (0x00)
> < HCI Command: LE Set Random Address (0x08|0x0005) plen 6 #217 [hci0] 667.183645
> Address: 7C:C1:57:A5:B7:A8 (Resolvable)
> Identity type: Random (0x01)
> Identity: F4:28:73:5D:38:B0 (Static)
>> HCI Event: Command Complete (0x0e) plen 4 #218 [hci0] 667.184590
> LE Set Random Address (0x08|0x0005) ncmd 1
> Status: Success (0x00)
> < HCI Command: LE Create Connection (0x08|0x000d) plen 25 #219 [hci0] 667.184613
> Scan interval: 60.000 msec (0x0060)
> Scan window: 60.000 msec (0x0060)
> Filter policy: White list is not used (0x00)
> Peer address type: Random (0x01)
> Peer address: 50:52:D9:A6:48:A0 (Resolvable)
> Identity type: Public (0x00)
> Identity: 11:22:33:44:55:66 (OUI 11-22-33)
> Own address type: Random (0x01)
> Min connection interval: 30.00 msec (0x0018)
> Max connection interval: 50.00 msec (0x0028)
> Connection latency: 0 (0x0000)
> Supervision timeout: 420 msec (0x002a)
> Min connection length: 0.000 msec (0x0000)
> Max connection length: 0.000 msec (0x0000)
>> HCI Event: Command Status (0x0f) plen 4 #220 [hci0] 667.186558
> LE Create Connection (0x08|0x000d) ncmd 1
> Status: Success (0x00)
>> HCI Event: LE Meta Event (0x3e) plen 19 #221 [hci0] 667.485824
> LE Connection Complete (0x01)
> Status: Success (0x00)
> Handle: 0
> Role: Master (0x00)
> Peer address type: Random (0x01)
> Peer address: 50:52:D9:A6:48:A0 (Resolvable)
> Identity type: Public (0x00)
> Identity: 11:22:33:44:55:66 (OUI 11-22-33)
> Connection interval: 50.00 msec (0x0028)
> Connection latency: 0 (0x0000)
> Supervision timeout: 420 msec (0x002a)
> Master clock accuracy: 0x07
> @ MGMT Event: Device Connected (0x000b) plen 13 {0x0002} [hci0] 667.485996
> LE Address: 11:22:33:44:55:66 (OUI 11-22-33)
> Flags: 0x00000000
> Data length: 0
>
> Signed-off-by: Szymon Janc <szymon.janc@xxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> ---
> include/net/bluetooth/hci_core.h | 2 +-
> net/bluetooth/hci_conn.c | 29 +++++++++++++++++++++--------
> net/bluetooth/hci_event.c | 15 +++++++++++----
> net/bluetooth/l2cap_core.c | 2 +-
> 4 files changed, 34 insertions(+), 14 deletions(-)
patch has been applied to bluetooth tree.
Regards
Marcel
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