git commit -m "first commit for v2"

Devices/Libraries/Systems/can-utils/can-tc-init-etf.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-only
+# Copyright (C) 2022 Pengutronix, Marc Kleine-Budde <kernel@pengutronix.de>
+#
+# This script requires a kernel compiled with the following options:
+#
+# CONFIG_NET_SCH_PRIO
+# CONFIG_NET_SCH_ETF
+# CONFIG_NET_CLS_BASIC
+# CONFIG_NET_CLS_FW
+# CONFIG_NET_EMATCH
+# CONFIG_NET_EMATCH_CANID
+#
+
+set -e
+
+IFACE=${1:-can0}
+MARK=${2:-1}
+
+clear() {
+    tc -batch - <<EOF
+
+qdisc replace dev ${IFACE} root pfifo_fast
+
+EOF
+}
+
+show() {
+    tc -batch - <<EOF
+
+qdisc show dev ${IFACE}
+filter show dev ${IFACE}
+
+EOF
+}
+
+prio_etf_mark() {
+    tc -batch - <<EOF
+
+qdisc replace dev ${IFACE} parent root handle 100 prio \
+	bands 3
+
+qdisc replace dev ${IFACE} handle 1001 parent 100:1 etf clockid CLOCK_TAI \
+	delta 200000
+
+qdisc replace dev ${IFACE} handle 1002 parent 100:3 pfifo_fast
+
+filter add dev ${IFACE} parent 100: prio 1 \
+	handle ${MARK} fw flowid 100:1
+
+filter add dev ${IFACE} parent 100: prio 2 \
+	basic match canid (sff 0x0:0x0 eff 0x0:0x0) flowid 100:2
+
+EOF
+}
+
+clear
+prio_etf_mark
+show