From: Kiran K kiran.k@intel.com
stable inclusion from stable-5.10.51 commit 5147d86c4a5b54d9b9a3d74ee764fddbd76586ee bugzilla: 175263 https://gitee.com/openeuler/kernel/issues/I4DT6F
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
--------------------------------
[ Upstream commit 06d213d8a89a6f55b708422c3dda2b22add10748 ]
For incoming SCO connection with transparent coding format, alt setting of CVSD is getting applied instead of Transparent.
Before fix: < HCI Command: Accept Synchron.. (0x01|0x0029) plen 21 #2196 [hci0] 321.342548 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Transmit bandwidth: 8000 Receive bandwidth: 8000 Max latency: 13 Setting: 0x0003 Input Coding: Linear Input Data Format: 1's complement Input Sample Size: 8-bit # of bits padding at MSB: 0 Air Coding Format: Transparent Data Retransmission effort: Optimize for link quality (0x02) Packet type: 0x003f HV1 may be used HV2 may be used HV3 may be used EV3 may be used EV4 may be used EV5 may be used
HCI Event: Command Status (0x0f) plen 4 #2197 [hci0] 321.343585
Accept Synchronous Connection Request (0x01|0x0029) ncmd 1 Status: Success (0x00)
HCI Event: Synchronous Connect Comp.. (0x2c) plen 17 #2198 [hci0] 321.351666
Status: Success (0x00) Handle: 257 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Link type: eSCO (0x02) Transmission interval: 0x0c Retransmission window: 0x04 RX packet length: 60 TX packet length: 60 Air mode: Transparent (0x03) ........
SCO Data RX: Handle 257 flags 0x00 dlen 48 #2336 [hci0] 321.383655
< SCO Data TX: Handle 257 flags 0x00 dlen 60 #2337 [hci0] 321.389558
SCO Data RX: Handle 257 flags 0x00 dlen 48 #2338 [hci0] 321.393615 SCO Data RX: Handle 257 flags 0x00 dlen 48 #2339 [hci0] 321.393618 SCO Data RX: Handle 257 flags 0x00 dlen 48 #2340 [hci0] 321.393618
< SCO Data TX: Handle 257 flags 0x00 dlen 60 #2341 [hci0] 321.397070
SCO Data RX: Handle 257 flags 0x00 dlen 48 #2342 [hci0] 321.403622 SCO Data RX: Handle 257 flags 0x00 dlen 48 #2343 [hci0] 321.403625 SCO Data RX: Handle 257 flags 0x00 dlen 48 #2344 [hci0] 321.403625 SCO Data RX: Handle 257 flags 0x00 dlen 48 #2345 [hci0] 321.403625
< SCO Data TX: Handle 257 flags 0x00 dlen 60 #2346 [hci0] 321.404569 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #2347 [hci0] 321.412091
SCO Data RX: Handle 257 flags 0x00 dlen 48 #2348 [hci0] 321.413626 SCO Data RX: Handle 257 flags 0x00 dlen 48 #2349 [hci0] 321.413630 SCO Data RX: Handle 257 flags 0x00 dlen 48 #2350 [hci0] 321.413630
< SCO Data TX: Handle 257 flags 0x00 dlen 60 #2351 [hci0] 321.419674
After fix:
< HCI Command: Accept Synchronou.. (0x01|0x0029) plen 21 #309 [hci0] 49.439693 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Transmit bandwidth: 8000 Receive bandwidth: 8000 Max latency: 13 Setting: 0x0003 Input Coding: Linear Input Data Format: 1's complement Input Sample Size: 8-bit # of bits padding at MSB: 0 Air Coding Format: Transparent Data Retransmission effort: Optimize for link quality (0x02) Packet type: 0x003f HV1 may be used HV2 may be used HV3 may be used EV3 may be used EV4 may be used EV5 may be used
HCI Event: Command Status (0x0f) plen 4 #310 [hci0] 49.440308
Accept Synchronous Connection Request (0x01|0x0029) ncmd 1 Status: Success (0x00)
HCI Event: Synchronous Connect Complete (0x2c) plen 17 #311 [hci0] 49.449308
Status: Success (0x00) Handle: 257 Address: 1C:CC:D6:E2:EA:80 (Xiaomi Communications Co Ltd) Link type: eSCO (0x02) Transmission interval: 0x0c Retransmission window: 0x04 RX packet length: 60 TX packet length: 60 Air mode: Transparent (0x03) < SCO Data TX: Handle 257 flags 0x00 dlen 60 #312 [hci0] 49.450421 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #313 [hci0] 49.457927
HCI Event: Max Slots Change (0x1b) plen 3 #314 [hci0] 49.460345
Handle: 256 Max slots: 5 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #315 [hci0] 49.465453
SCO Data RX: Handle 257 flags 0x00 dlen 60 #316 [hci0] 49.470502 SCO Data RX: Handle 257 flags 0x00 dlen 60 #317 [hci0] 49.470519
< SCO Data TX: Handle 257 flags 0x00 dlen 60 #318 [hci0] 49.472996
SCO Data RX: Handle 257 flags 0x00 dlen 60 #319 [hci0] 49.480412
< SCO Data TX: Handle 257 flags 0x00 dlen 60 #320 [hci0] 49.480492 < SCO Data TX: Handle 257 flags 0x00 dlen 60 #321 [hci0] 49.487989
SCO Data RX: Handle 257 flags 0x00 dlen 60 #322 [hci0] 49.490303
< SCO Data TX: Handle 257 flags 0x00 dlen 60 #323 [hci0] 49.495496
SCO Data RX: Handle 257 flags 0x00 dlen 60 #324 [hci0] 49.500304 SCO Data RX: Handle 257 flags 0x00 dlen 60 #325 [hci0] 49.500311
Signed-off-by: Kiran K kiran.k@intel.com Signed-off-by: Lokendra Singh lokendra.singh@intel.com Signed-off-by: Marcel Holtmann marcel@holtmann.org Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Chen Jun chenjun102@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com Signed-off-by: Chen Jun chenjun102@huawei.com --- net/bluetooth/hci_event.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index d62ac4b73709..e59ae24a8f17 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -4360,12 +4360,12 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
bt_dev_dbg(hdev, "SCO connected with air mode: %02x", ev->air_mode);
- switch (conn->setting & SCO_AIRMODE_MASK) { - case SCO_AIRMODE_CVSD: + switch (ev->air_mode) { + case 0x02: if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_CVSD); break; - case SCO_AIRMODE_TRANSP: + case 0x03: if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_ENABLE_SCO_TRANSP); break;