Subject: Re: [PATCH] rtlwifi: Fix non-working BSS STA mode

From: Pkshih <[email-masked]>
Date: Thu, 13 Dec 2018 07:39:29 +0000

On Thu, 2018-12-13 at 13:36 +0800, Kai Heng Feng wrote:
> > On Dec 13, 2018, at 08:35, Pkshih <[email-masked]> wrote:
> > 
> > On Wed, 2018-12-12 at 13:13 +0800, Kai-Heng Feng wrote:
> >> Once BSS STA mode gets started, it can be scanned by other clients but
> >> cannot entablish a connection.
> >          ^^^ typo: establish
> >> 
> >> Turns out the set_bcn_reg() and its *_set_beacon_related_registers()
> >> callbacks never get called so it has problem beaconing.
> >> 
> >> Enable the function in rtl_op_bss_info_changed() can make BSS STA mode
> >> start to work.
> >> 
> >> Signed-off-by: Kai-Heng Feng <[email-masked]>
> >> ---
> >>  drivers/net/wireless/realtek/rtlwifi/core.c | 2 +-
> >>  1 file changed, 1 insertion(+), 1 deletion(-)
> >> 
> >> diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c
> >> b/drivers/net/wireless/realtek/rtlwifi/core.c
> >> index 4bf7967590ca..11d27a5cc576 100644
> >> --- a/drivers/net/wireless/realtek/rtlwifi/core.c
> >> +++ b/drivers/net/wireless/realtek/rtlwifi/core.c
> >> @@ -1054,7 +1054,7 @@ static void rtl_op_bss_info_changed(struct
> ieee80211_hw
> >> *hw,
> >>  					 "BSS_CHANGED_BEACON_ENABLED\n");
> >>  
> >>  				/*start hw beacon interrupt. */
> >> -				/*rtlpriv->cfg->ops->set_bcn_reg(hw); */
> >> +				rtlpriv->cfg->ops->set_bcn_reg(hw);
> >>  				mac->beacon_enabled = 1;
> >>  				rtlpriv->cfg->ops-
> >update_interrupt_mask(hw,
> >>  						rtlpriv->cfg->maps
> > 
> > Which wifi chip do you use? And, please share your test scenario.
> 
> It’s Realtek 8723DE, which is currently not supported in mainline so I use
> rtl8723de in rtlwifi_new [1] to test it out.
> 
> The test scenario is simply enable hotspot through network manager, which uses
> wpa_supplicant to do the work.
> 
> [1] https://github.com/lwfinger/rtlwifi_new
> 

Since rtl8723de isn't supported yet, this patch would be pending.
I'll take time to check whether it works on existing chips.

Thanks
PK