Commit Graph

9 Commits

Author SHA1 Message Date
Yang Yingliang
605194411d ath11k: fix missing unlock on error in ath11k_wow_op_resume()
Add the missing unlock before return from function ath11k_wow_op_resume()
in the error handling case.

Fixes: 90bf5c8d0f ("ath11k: purge rx pktlog when entering WoW")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220408030912.3087293-1-yangyingliang@huawei.com
2022-04-23 12:28:07 +03:00
Nagarajan Maran
633469e3ba ath11k: fix driver initialization failure with WoW unsupported hw
In the "ath11k_wow_init", error value "EINVAL" is returned
when the check for firmware support of WoW feature fails,
which in turn stops the driver initialization.

Warning message:
[   31.040144] ------------[ cut here ]------------
[   31.040185] WARNING: CPU: 1 PID: 51 at drivers/net/wireless/ath/ath11k/wow.c:813 ath11k_wow_init+0xc8/0x13a8 [ath11k]
[   31.043846] Modules linked in: ath11k_pci ath11k qmi_helpers
[   31.054341] CPU: 1 PID: 51 Comm: kworker/u8:1 Tainted: G        W	5.17.0-wt-ath-594817-ga7f6aa925cf8-dirty #17
[   31.060078] Hardware name: Qualcomm Technologies, Inc. IPQ8074/AP-HK10-C2 (DT)
[   31.070578] Workqueue: ath11k_qmi_driver_event ath11k_qmi_driver_event_work [ath11k]
[   31.077782] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   31.085676] pc : ath11k_wow_init+0xc8/0x13a8 [ath11k]
[   31.092359] lr : ath11k_mac_register+0x548/0xb98 [ath11k]
[   31.097567] sp : ffff80000aa13c40
[   31.102944] x29: ffff80000aa13c40 x28: ffff800009184390 x27: ffff000002959f20
[   31.106251] x26: ffff000002828000 x25: ffff000002830000 x24: ffff000002830000
[   31.113369] x23: ffff000002820000 x22: ffff00000282854c x21: 0000000000000000
[   31.120487] x20: ffff00000295cf20 x19: ffff000002828540 x18: 0000000000000031
[   31.127605] x17: 0000000000000004 x16: ffff0000028285fc x15: ffff00000295b040
[   31.134723] x14: 0000000000000067 x13: ffff00000282859c x12: 000000000000000d
[   31.141840] x11: 0000000000000018 x10: 0000000000000004 x9 : 0000000000000000
[   31.148959] x8 : ffff00000289d680 x7 : 0000000000000000 x6 : 000000000000003f
[   31.156077] x5 : 0000000000000040 x4 : 0000000000000000 x3 : ffff000002820968
[   31.163196] x2 : 0000000000000080 x1 : 0080008af9981779 x0 : ffff000002959f20
[   31.170314] Call trace:
[   31.177421]  ath11k_wow_init+0xc8/0x13a8 [ath11k]
[   31.179684]  ath11k_core_qmi_firmware_ready+0x430/0x5e0 [ath11k]
[   31.184548]  ath11k_qmi_driver_event_work+0x16c/0x4f8 [ath11k]
[   31.190623]  process_one_work+0x134/0x350
[   31.196262]  worker_thread+0x12c/0x450
[   31.200340]  kthread+0xf4/0x110
[   31.203986]  ret_from_fork+0x10/0x20
[   31.207026] ---[ end trace 0000000000000000 ]---
[   31.210894] ath11k_pci 0000:01:00.0: failed to init wow: -22
[   31.215467] ath11k_pci 0000:01:00.0: failed register the radio with mac80211: -22
[   31.221117] ath11k_pci 0000:01:00.0: failed to create pdev core: -22

Fix this by returning value "0" when FW doesn't support WoW
to allow driver to proceed with initialize sequence and also
remove the unnecessary "WARN_ON".


Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.5.0.1-01100-QCAHKSWPL_SILICONZ-1

Fixes: ba9177fcef ("ath11k: Add basic WoW functionalities")
Signed-off-by: Nagarajan Maran <quic_nmaran@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220331073110.3846-1-quic_nmaran@quicinc.com
2022-04-05 11:12:31 +03:00
Carl Huang
a16d9b50cf ath11k: support GTK rekey offload
Host sets GTK related info to firmware before WoW is enabled, and
gets rekey replay_count and then disables GTK rekey when WoW quits.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <quic_cjhuang@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1644308006-22784-7-git-send-email-quic_cjhuang@quicinc.com
2022-03-18 17:36:23 +02:00
Carl Huang
c3c36bfe99 ath11k: support ARP and NS offload
Support ARP and NS offload in WoW state.

Tested this way: put machine A with QCA6390 to WoW state,
ping/ping6 machine A from another machine B, check sniffer to see
any ARP response and Neighbour advertisement from machine A.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <quic_cjhuang@quicinc.com>
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1644308006-22784-6-git-send-email-quic_cjhuang@quicinc.com
2022-03-18 17:36:02 +02:00
Carl Huang
90bf5c8d0f ath11k: purge rx pktlog when entering WoW
This change is to purge rx pktlog when entering WoW and reap
the mon_status buffer to keep it empty. When leaving WoW, host
restarts the reap timer. In WoW state, it's not allowed to feed
into mon_status rings per firmware team's recommendation.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <quic_cjhuang@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1644308006-22784-5-git-send-email-quic_cjhuang@quicinc.com
2022-03-18 17:35:41 +02:00
Carl Huang
c417b247ba ath11k: implement hardware data filter
Host needs to set hardware data filter before entering WoW to
let firmware drop needless broadcast/mulitcast frames to avoid
frequent wakeup. Host clears hardware data filter when leaving WoW.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <quic_cjhuang@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1644308006-22784-4-git-send-email-quic_cjhuang@quicinc.com
2022-03-18 17:35:20 +02:00
Carl Huang
fec4b898f3 ath11k: Add WoW net-detect functionality
Implement net-detect feature by setting flag
WIPHY_WOWLAN_NET_DETECT if firmware supports this
feature. Driver sets the related PNO configuration
to firmware before entering WoW and firmware then
scans periodically and wakes up host if a specific
SSID is found.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <quic_cjhuang@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1644308006-22784-3-git-send-email-quic_cjhuang@quicinc.com
2022-03-18 17:34:59 +02:00
Carl Huang
ba9177fcef ath11k: Add basic WoW functionalities
Implement basic WoW functionalities such as magic-packet, disconnect
and pattern. The logic is very similar to ath10k.

When WoW is configured, ath11k_core_suspend and ath11k_core_resume
are skipped as WoW configuration and hif suspend/resume are done in
ath11k_wow_op_suspend() and ath11k_wow_op_resume().

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <quic_cjhuang@quicinc.com>
Signed-off-by: Baochen Qiang <quic_bqiang@quicinc.com>
Signed-off-by: Wen Gong <quic_wgong@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1644308006-22784-2-git-send-email-quic_cjhuang@quicinc.com
2022-03-18 17:34:37 +02:00
Carl Huang
79802b13a4 ath11k: implement WoW enable and wakeup commands
Implement wow enable ane wow wakeup commands which are needed for suspend.

Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1

Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1607708150-21066-9-git-send-email-kvalo@codeaurora.org
2020-12-12 06:41:37 +02:00