Tony Lindgren <tony@xxxxxxxxxxx> wrote:
> We can currently get a "command execute failure 19" error on beacon loss
> if the signal is weak:
>
> wlcore: Beacon loss detected. roles:0xff
> wlcore: Connection loss work (role_id: 0).
> ...
> wlcore: ERROR command execute failure 19
> ...
> WARNING: CPU: 0 PID: 1552 at drivers/net/wireless/ti/wlcore/main.c:803
> ...
> (wl12xx_queue_recovery_work.part.0 [wlcore])
> (wl12xx_cmd_role_start_sta [wlcore])
> (wl1271_op_bss_info_changed [wlcore])
> (ieee80211_prep_connection [mac80211])
>
> Error 19 is defined as CMD_STATUS_WRONG_NESTING from the wlcore firmware,
> and seems to mean that the firmware no longer wants to see the quirk
> handling for WLCORE_QUIRK_START_STA_FAILS done.
>
> This quirk got added with commit 18eab430700d ("wlcore: workaround
> start_sta problem in wl12xx fw"), and it seems that this already got fixed
> in the firmware long time ago back in 2012 as wl18xx never had this quirk
> in place to start with.
>
> As we no longer even support firmware that early, to me it seems that it's
> safe to just drop WLCORE_QUIRK_START_STA_FAILS to fix the error. Looks
> like earlier firmware got disabled back in 2013 with commit 0e284c074ef9
> ("wl12xx: increase minimum singlerole firmware version required").
>
> If it turns out we still need WLCORE_QUIRK_START_STA_FAILS with any
> firmware that the driver works with, we can simply revert this patch and
> add extra checks for firmware version used.
>
> With this fix wlcore reconnects properly after a beacon loss.
>
> Cc: Raz Bouganim <r-bouganim@xxxxxx>
> Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
Failed to apply to wireless-drivers-next:
fatal: sha1 information is lacking or useless (drivers/net/wireless/ti/wl12xx/main.c).
error: could not build fake ancestor
Applying: wlcore: Fix command execute failure 19 for wl12xx
Patch failed at 0001 wlcore: Fix command execute failure 19 for wl12xx
The copy of the patch that failed is found in: .git/rebase-apply/patch
Patch set to Changes Requested.
--
https://patchwork.kernel.org/project/linux-wireless/patch/20201231085343.24337-1-tony@xxxxxxxxxxx/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
