netdev - Re: [PATCH] Revert "wlcore: Adding suppoprt for IGTK key in wlcore driver"

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Message-Id: <20200901093129.76516C433AF@smtp.codeaurora.org>
Date:   Tue,  1 Sep 2020 09:31:29 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        John Stultz <john.stultz@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, Maital Hahn <maitalm@...com>,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Raz Bouganim <r-bouganim@...com>,
        Tony Lindgren <tony@...mide.com>,
        Dinghao Liu <dinghao.liu@....edu.cn>,
        Johannes Berg <johannes.berg@...el.com>,
        Fuqian Huang <huangfq.daxian@...il.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Revert "wlcore: Adding suppoprt for IGTK key in wlcore
 driver"

Mauro Carvalho Chehab <mchehab+huawei@...nel.org> wrote:

> This patch causes a regression betwen Kernel 5.7 and 5.8 at wlcore:
> with it applied, WiFi stops working, and the Kernel starts printing
> this message every second:
> 
>    wlcore: PHY firmware version: Rev 8.2.0.0.242
>    wlcore: firmware booted (Rev 8.9.0.0.79)
>    wlcore: ERROR command execute failure 14
>    ------------[ cut here ]------------
>    WARNING: CPU: 0 PID: 133 at drivers/net/wireless/ti/wlcore/main.c:795 wl12xx_queue_recovery_work.part.0+0x6c/0x74 [wlcore]
>    Modules linked in: wl18xx wlcore mac80211 libarc4 cfg80211 rfkill snd_soc_hdmi_codec crct10dif_ce wlcore_sdio adv7511 cec kirin9xx_drm(C) kirin9xx_dw_drm_dsi(C) drm_kms_helper drm ip_tables x_tables ipv6 nf_defrag_ipv6
>    CPU: 0 PID: 133 Comm: kworker/0:1 Tainted: G        WC        5.8.0+ #186
>    Hardware name: HiKey970 (DT)
>    Workqueue: events_freezable ieee80211_restart_work [mac80211]
>    pstate: 60000005 (nZCv daif -PAN -UAO BTYPE=--)
>    pc : wl12xx_queue_recovery_work.part.0+0x6c/0x74 [wlcore]
>    lr : wl12xx_queue_recovery_work+0x24/0x30 [wlcore]
>    sp : ffff8000126c3a60
>    x29: ffff8000126c3a60 x28: 00000000000025de
>    x27: 0000000000000010 x26: 0000000000000005
>    x25: ffff0001a5d49e80 x24: ffff8000092cf580
>    x23: ffff0001b7c12623 x22: ffff0001b6fcf2e8
>    x21: ffff0001b7e46200 x20: 00000000fffffffb
>    x19: ffff0001a78e6400 x18: 0000000000000030
>    x17: 0000000000000001 x16: 0000000000000001
>    x15: ffff0001b7e46670 x14: ffffffffffffffff
>    x13: ffff8000926c37d7 x12: ffff8000126c37e0
>    x11: ffff800011e01000 x10: ffff8000120526d0
>    x9 : 0000000000000000 x8 : 3431206572756c69
>    x7 : 6166206574756365 x6 : 0000000000000c2c
>    x5 : 0000000000000000 x4 : ffff0001bf1361e8
>    x3 : ffff0001bf1790b0 x2 : 0000000000000000
>    x1 : ffff0001a5d49e80 x0 : 0000000000000001
>    Call trace:
>     wl12xx_queue_recovery_work.part.0+0x6c/0x74 [wlcore]
>     wl12xx_queue_recovery_work+0x24/0x30 [wlcore]
>     wl1271_cmd_set_sta_key+0x258/0x25c [wlcore]
>     wl1271_set_key+0x7c/0x2dc [wlcore]
>     wlcore_set_key+0xe4/0x360 [wlcore]
>     wl18xx_set_key+0x48/0x1d0 [wl18xx]
>     wlcore_op_set_key+0xa4/0x180 [wlcore]
>     ieee80211_key_enable_hw_accel+0xb0/0x2d0 [mac80211]
>     ieee80211_reenable_keys+0x70/0x110 [mac80211]
>     ieee80211_reconfig+0xa00/0xca0 [mac80211]
>     ieee80211_restart_work+0xc4/0xfc [mac80211]
>     process_one_work+0x1cc/0x350
>     worker_thread+0x13c/0x470
>     kthread+0x154/0x160
>     ret_from_fork+0x10/0x30
>    ---[ end trace b1f722abf9af5919 ]---
>    wlcore: WARNING could not set keys
>    wlcore: ERROR Could not add or replace key
>    wlan0: failed to set key (4, ff:ff:ff:ff:ff:ff) to hardware (-5)
>    wlcore: Hardware recovery in progress. FW ver: Rev 8.9.0.0.79
>    wlcore: pc: 0x0, hint_sts: 0x00000040 count: 39
>    wlcore: down
>    wlcore: down
>    ieee80211 phy0: Hardware restart was requested
>    mmc_host mmc0: Bus speed (slot 0) = 400000Hz (slot req 400000Hz, actual 400000HZ div = 0)
>    mmc_host mmc0: Bus speed (slot 0) = 25000000Hz (slot req 25000000Hz, actual 25000000HZ div = 0)
>    wlcore: PHY firmware version: Rev 8.2.0.0.242
>    wlcore: firmware booted (Rev 8.9.0.0.79)
>    wlcore: ERROR command execute failure 14
>    ------------[ cut here ]------------
> 
> Tested on Hikey 970.
> 
> This reverts commit 2b7aadd3b9e17e8b81eeb8d9cc46756ae4658265.
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>

Any updates? If I don't hear anything I will just queue this to v5.9.

Reminder to myself: remove Mauro's duplicate s-o-b tag, that's a patchwork bug

-- 
https://patchwork.kernel.org/patch/11737193/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches