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-rwxr-xr-xtools/testing/selftests/drivers/net/netdevsim/ethtool-fec.sh110
1 files changed, 110 insertions, 0 deletions
diff --git a/tools/testing/selftests/drivers/net/netdevsim/ethtool-fec.sh b/tools/testing/selftests/drivers/net/netdevsim/ethtool-fec.sh
new file mode 100755
index 000000000..0c56746e9
--- /dev/null
+++ b/tools/testing/selftests/drivers/net/netdevsim/ethtool-fec.sh
@@ -0,0 +1,110 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-only
+
+source ethtool-common.sh
+
+NSIM_NETDEV=$(make_netdev)
+[ a$ETHTOOL == a ] && ETHTOOL=ethtool
+
+set -o pipefail
+
+# netdevsim starts out with None/None
+s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
+check $? "$s" "Configured FEC encodings: None
+Active FEC encoding: None"
+
+# Test Auto
+$ETHTOOL --set-fec $NSIM_NETDEV encoding auto
+check $?
+s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
+check $? "$s" "Configured FEC encodings: Auto
+Active FEC encoding: Off"
+
+# Test case in-sensitivity
+for o in off Off OFF; do
+ $ETHTOOL --set-fec $NSIM_NETDEV encoding $o
+ check $?
+ s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
+ check $? "$s" "Configured FEC encodings: Off
+Active FEC encoding: Off"
+done
+
+for o in BaseR baser BAser; do
+ $ETHTOOL --set-fec $NSIM_NETDEV encoding $o
+ check $?
+ s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
+ check $? "$s" "Configured FEC encodings: BaseR
+Active FEC encoding: BaseR"
+done
+
+for o in llrs rs; do
+ $ETHTOOL --set-fec $NSIM_NETDEV encoding $o
+ check $?
+ s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
+ check $? "$s" "Configured FEC encodings: ${o^^}
+Active FEC encoding: ${o^^}"
+done
+
+# Test mutliple bits
+$ETHTOOL --set-fec $NSIM_NETDEV encoding rs llrs
+check $?
+s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
+check $? "$s" "Configured FEC encodings: RS LLRS
+Active FEC encoding: LLRS"
+
+$ETHTOOL --set-fec $NSIM_NETDEV encoding rs off auto
+check $?
+s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
+check $? "$s" "Configured FEC encodings: Auto Off RS
+Active FEC encoding: RS"
+
+# Make sure other link modes are rejected
+$ETHTOOL --set-fec $NSIM_NETDEV encoding FIBRE 2>/dev/null
+check $? '' '' 1
+
+$ETHTOOL --set-fec $NSIM_NETDEV encoding bla-bla-bla 2>/dev/null
+check $? '' '' 1
+
+# Try JSON
+$ETHTOOL --json --show-fec $NSIM_NETDEV | jq empty >>/dev/null 2>&1
+if [ $? -eq 0 ]; then
+ $ETHTOOL --set-fec $NSIM_NETDEV encoding auto
+ check $?
+
+ s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].config[]')
+ check $? "$s" '"Auto"'
+ s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].active[]')
+ check $? "$s" '"Off"'
+
+ $ETHTOOL --set-fec $NSIM_NETDEV encoding auto RS
+ check $?
+
+ s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].config[]')
+ check $? "$s" '"Auto"
+"RS"'
+ s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].active[]')
+ check $? "$s" '"RS"'
+fi
+
+# Test error injection
+echo 11 > $NSIM_DEV_DFS/ethtool/get_err
+
+$ETHTOOL --show-fec $NSIM_NETDEV >>/dev/null 2>&1
+check $? '' '' 1
+
+echo 0 > $NSIM_DEV_DFS/ethtool/get_err
+echo 11 > $NSIM_DEV_DFS/ethtool/set_err
+
+$ETHTOOL --show-fec $NSIM_NETDEV >>/dev/null 2>&1
+check $?
+
+$ETHTOOL --set-fec $NSIM_NETDEV encoding RS 2>/dev/null
+check $? '' '' 1
+
+if [ $num_errors -eq 0 ]; then
+ echo "PASSED all $((num_passes)) checks"
+ exit 0
+else
+ echo "FAILED $num_errors/$((num_errors+num_passes)) checks"
+ exit 1
+fi