[OpenWrt-Devel] [PATCH v3 5/7] mac80211: make ath10k firmware v2 selectable

[Guenther Kelleter]

Hi

> -----Original Message-----
> From: openwrt-devel [mailto:openwrt-devel-bounces at lists.openwrt.org] On Behalf
> Of John Crispin
> Sent: Thursday, July 09, 2015 8:38 AM
> To: openwrt-devel at lists.openwrt.org
> Subject: Re: [OpenWrt-Devel] [PATCH v3 5/7] mac80211: make ath10k firmware v2
> selectable
> 
> Hi,
> 
> dont know at10k very well so pardon my uneducated question...
> 
> how does at10k know/choose which of the 2 to use ?

Driver tries all possible fw-version files it knows in sequence until the only one that's installed could be loaded.

Günther

> 
> 	John
> 
> On 07/07/2015 14:58, Günther Kelleter wrote:
> > Added option for old firmware version (10.1 API v2). It seems that
> > recent firmware versions are constantly crashing (at least on a
> > QCA9880-BR4A-R) and this provides the option to select an older version
> instead.
> >
> > Signed-off-by: Günther Kelleter <guenther.kelleter at devolo.de>
> > ---
> >  package/kernel/mac80211/Makefile | 19 +++++++++++++++++++
> >  1 file changed, 19 insertions(+)
> >
> > diff --git a/package/kernel/mac80211/Makefile
> > b/package/kernel/mac80211/Makefile
> > index 7f698f0..cc98fb7 100644
> > --- a/package/kernel/mac80211/Makefile
> > +++ b/package/kernel/mac80211/Makefile
> > @@ -620,6 +620,19 @@ Atheros IEEE 802.11ac family of chipsets. For now
> > only  PCI is supported.
> >  endef
> >
> > +define KernelPackage/ath10k/config
> > +  if PACKAGE_kmod-ath10k
> > +
> > +	config ATH10K_API2_FW
> > +		bool "Firmware optimized for AP operation (v10.1 / API v2)"
> > +		default n
> > +		help
> > +		  Use the ath10k firmware from the 10.1 SDK using API v2
> optimized
> > +		  for access point operation if the default firmware keeps
> crashing.
> > +
> > +  endif
> > +endef
> > +
> >  define KernelPackage/carl9170
> >    $(call KernelPackage/mac80211/Default)
> >    TITLE:=Driver for Atheros AR9170 USB sticks @@ -1844,9 +1857,15 @@
> > define KernelPackage/ath10k/install
> >  	$(INSTALL_DATA) \
> >
> 	$(PKG_BUILD_DIR)/$(PKG_ATH10K_LINUX_FIRMWARE_SUBDIR)/ath10k/QCA988X/hw2.
> 0/board.bin \
> >  		$(1)/lib/firmware/ath10k/QCA988X/hw2.0/
> > +ifeq ($(CONFIG_ATH10K_API2_FW),y)
> > +	$(INSTALL_DATA) \
> > +
> 	$(PKG_BUILD_DIR)/$(PKG_ATH10K_LINUX_FIRMWARE_SUBDIR)/10.1/firmware-
> 2.bin_10.1.467.2-1 \
> > +		$(1)/lib/firmware/ath10k/QCA988X/hw2.0/firmware-2.bin
> > +else
> >  	$(INSTALL_DATA) \
> >
> 	$(PKG_BUILD_DIR)/$(PKG_ATH10K_LINUX_FIRMWARE_SUBDIR)/10.2.4/untested/fir
> mware-5.bin_10.2.4.70-2 \
> >  		$(1)/lib/firmware/ath10k/QCA988X/hw2.0/firmware-5.bin
> > +endif
> >  endef
> >
> >  define KernelPackage/mwl8k/install
> >
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