Marek Vasut <marex@xxxxxxx> wrote: > In case RSI9116 SDIO WiFi operates in STA mode against Intel 9260 in AP mode, > the association fails. The former is using wpa_supplicant during association, > the later is set up using hostapd: > > iwl$ cat hostapd.conf > interface=wlp1s0 > ssid=test > country_code=DE > hw_mode=g > channel=1 > wpa=2 > wpa_passphrase=test > wpa_key_mgmt=WPA-PSK > iwl$ hostapd -d hostapd.conf > > rsi$ wpa_supplicant -i wlan0 -c <(wpa_passphrase test test) > > The problem is that the TX EAPOL data descriptor RSI_DESC_REQUIRE_CFM_TO_HOST > flag and extended descriptor EAPOL4_CONFIRM frame type are not set in case the > AP is iwlwifi, because in that case the TX EAPOL packet is 2 bytes shorter. > > The downstream vendor driver has this change in place already [1], however > there is no explanation for it, neither is there any commit history from which > such explanation could be obtained. > > [1] https://github.com/SiliconLabs/RS911X-nLink-OSD/blob/master/rsi/rsi_91x_hal.c#L238 > > Signed-off-by: Marek Vasut <marex@xxxxxxx> > Cc: Angus Ainslie <angus@xxxxxxxx> > Cc: David S. Miller <davem@xxxxxxxxxxxxx> > Cc: Jakub Kicinski <kuba@xxxxxxxxxx> > Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx> > Cc: Lee Jones <lee.jones@xxxxxxxxxx> > Cc: Martin Kepplinger <martink@xxxxxxxxx> > Cc: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@xxxxxxx> > Cc: Siva Rebbagondla <siva8118@xxxxxxxxx> > Cc: linux-wireless@xxxxxxxxxxxxxxx > Cc: netdev@xxxxxxxxxxxxxxx Patch applied to wireless-drivers-next.git, thanks. 65277100caa2 rsi: Fix TX EAPOL packet handling against iwlwifi AP -- https://patchwork.kernel.org/project/linux-wireless/patch/20201015111616.429220-1-marex@xxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches