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-rw-r--r--tools/testing/selftests/drivers/net/netdevsim/ethtool-common.sh53
1 files changed, 53 insertions, 0 deletions
diff --git a/tools/testing/selftests/drivers/net/netdevsim/ethtool-common.sh b/tools/testing/selftests/drivers/net/netdevsim/ethtool-common.sh
new file mode 100644
index 000000000000..9f64d5c7107b
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/netdevsim/ethtool-common.sh
@@ -0,0 +1,53 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-only
+
+NSIM_ID=$((RANDOM % 1024))
+NSIM_DEV_SYS=/sys/bus/netdevsim/devices/netdevsim$NSIM_ID
+NSIM_DEV_DFS=/sys/kernel/debug/netdevsim/netdevsim$NSIM_ID/ports/0
+NSIM_NETDEV=
+num_passes=0
+num_errors=0
+
+function cleanup_nsim {
+ if [ -e $NSIM_DEV_SYS ]; then
+ echo $NSIM_ID > /sys/bus/netdevsim/del_device
+ fi
+}
+
+function cleanup {
+ cleanup_nsim
+}
+
+trap cleanup EXIT
+
+function check {
+ local code=$1
+ local str=$2
+ local exp_str=$3
+
+ if [ $code -ne 0 ]; then
+ ((num_errors++))
+ return
+ fi
+
+ if [ "$str" != "$exp_str" ]; then
+ echo -e "Expected: '$exp_str', got '$str'"
+ ((num_errors++))
+ return
+ fi
+
+ ((num_passes++))
+}
+
+function make_netdev {
+ # Make a netdevsim
+ old_netdevs=$(ls /sys/class/net)
+
+ if ! $(lsmod | grep -q netdevsim); then
+ modprobe netdevsim
+ fi
+
+ echo $NSIM_ID > /sys/bus/netdevsim/new_device
+ # get new device name
+ ls /sys/bus/netdevsim/devices/netdevsim${NSIM_ID}/net/
+}