wusb: wusb-cbaf (CBA driver) sysfs ABI simplification (f1fa035f) · Commits · 戴 / test

Documentation/usb/wusb-cbaf

+33 −27

Original line number	Diff line number	Diff line
		@@ -70,32 +70,42 @@ EOF
		# FIXME: CHID should come from a database :), band group from the host
		host_CHID="00 11 22 33 44 55 66 77 88 99 aa bb cc dd ee ff"
		host_band_group="0001"
		host_name="Linux-WUSB"
		host_name=$(hostname)

		devs="$(echo /sys/bus/usb/drivers/wusb-cbaf/[0-9]*)"
		hdevs="$(find /sys -name wusb_chid -printf "%h\n")"
		hdevs="$(for h in /sys/class/uwb_rc/*/wusbhc; do readlink -f $h; done)"

		result=0
		case $1 in
		start)
		for dev in ${2:-$hdevs}
		do
		uwb_rc=$(find $(dirname $(dirname $dev)) -iname uwb_rc:uwb*)
		if cat $uwb_rc/uwb_rc/beacon \| grep -q "channel: -1"
		uwb_rc=$(readlink -f $dev/uwb_rc)
		if cat $uwb_rc/beacon \| grep -q -- "-1"
		then
		echo 13 0 \| cat > $uwb_rc/uwb_rc/beacon
		echo I: started beaconing on ch 13 in host $(basename $uwb_rc)
		echo 13 0 > $uwb_rc/beacon
		echo I: started beaconing on ch 13 on $(basename $uwb_rc) >&2
		fi
		echo $host_CHID \| cat > $dev/wusb_chid
		echo I: started host $(basename $dev)
		echo $host_CHID > $dev/wusb_chid
		echo I: started host $(basename $dev) >&2
		done
		;;
		stop)
		for dev in ${2:-$hdevs}
		do
		echo 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > $dev/wusb_chid
		echo I: stopped host $(basename $dev) >&2
		uwb_rc=$(readlink -f $dev/uwb_rc)
		echo -1 \| cat > $uwb_rc/beacon
		echo I: stopped beaconing on $(basename $uwb_rc) >&2
		done
		;;
		set-chid)
		shift
		for dev in ${2:-$devs}
		do
		echo "${2:-$host_CHID}" "${3:-$host_band_group}" "${4:-$host_name}" \
		\| cat > $dev/wusb_host_info
		for dev in ${2:-$devs}; do
		echo "${4:-$host_name}" > $dev/wusb_host_name
		echo "${3:-$host_band_group}" > $dev/wusb_host_band_groups
		echo ${2:-$host_CHID} > $dev/wusb_chid
		done
		;;
		get-cdid)
		@@ -105,21 +115,17 @@ case $1 in
		done
		;;
		set-cc)
		for dev in ${2:-$devs}
		do
		for dev in ${2:-$devs}; do
		shift
		CDID="$(head --bytes=16 /dev/urandom \| od -tx1 -An)"
		CK="$(head --bytes=16 /dev/urandom \| od -tx1 -An)"
		cat > $dev/wusb_cc <<EOF
		CDID:$CDID
		CK:$CK
		EOF
		cat <<EOF
		I: CC set
		CHID: $host_CHID
		CDID:$CDID
		CK: $CK
		EOF
		echo "$CDID" > $dev/wusb_cdid
		echo "$CK" > $dev/wusb_ck

		echo I: CC set >&2
		echo "CHID: $(cat $dev/wusb_chid)"
		echo "CDID:$CDID"
		echo "CK: $CK"
		done
		;;
		help\|h\|--help\|-h)

drivers/usb/wusbcore/Kconfig

+23 −0

Original line number	Diff line number	Diff line
		@@ -15,3 +15,26 @@ config USB_WUSB

		To compile this support select Y (built in). It is safe to
		select even if you don't have the hardware.

		config USB_WUSB_CBAF
		tristate "Support WUSB Cable Based Association (CBA)"
		depends on USB
		help
		Some WUSB devices support Cable Based Association. It's used to
		enable the secure communication between the host and the
		device.

		Enable this option if your WUSB device must to be connected
		via wired USB before establishing a wireless link.

		It is safe to select even if you don't have a compatible
		hardware.

		config USB_WUSB_CBAF_DEBUG
		bool "Enable CBA debug messages"
		depends on USB_WUSB_CBAF
		help
		Say Y here if you want the CBA to produce a bunch of debug messages
		to the system log. Select this if you are having a problem with
		CBA support and want to see more of what is going on.

drivers/usb/wusbcore/Makefile

+7 −1

Original line number	Diff line number	Diff line
		obj-$(CONFIG_USB_WUSB) += wusbcore.o wusb-cbaf.o
		obj-$(CONFIG_USB_WUSB) += wusbcore.o
		obj-$(CONFIG_USB_HWA_HCD) += wusb-wa.o
		obj-$(CONFIG_USB_WUSB_CBAF) += wusb-cbaf.o


		wusbcore-objs := \
		crypto.o \
		@@ -18,3 +20,7 @@ wusb-wa-objs := wa-hc.o \
		wa-nep.o \
		wa-rpipe.o \
		wa-xfer.o

		ifeq ($(CONFIG_USB_WUSB_CBAF_DEBUG),y)
		EXTRA_CFLAGS += -DDEBUG
		endif

drivers/usb/wusbcore/cbaf.c

+287 −234

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