tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
selftests: ethtool: add a netdevsim FEC test
Test FEC settings, iterate over configs.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
authored by
Jakub Kicinski
and committed by
David S. Miller
1da07e5d
0d7f76dc
+114
-1
+4
-1
tools/testing/selftests/drivers/net/netdevsim/ethtool-common.sh
+4
-1
tools/testing/selftests/drivers/net/netdevsim/ethtool-common.sh
+110
tools/testing/selftests/drivers/net/netdevsim/ethtool-fec.sh
+110
tools/testing/selftests/drivers/net/netdevsim/ethtool-fec.sh
···
1
+
#!/bin/bash
2
+
# SPDX-License-Identifier: GPL-2.0-only
3
+
4
+
source ethtool-common.sh
5
+
6
+
NSIM_NETDEV=$(make_netdev)
7
+
[ a$ETHTOOL == a ] && ETHTOOL=ethtool
8
+
9
+
set -o pipefail
10
+
11
+
# netdevsim starts out with None/None
12
+
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
13
+
check $? "$s" "Configured FEC encodings: None
14
+
Active FEC encoding: None"
15
+
16
+
# Test Auto
17
+
$ETHTOOL --set-fec $NSIM_NETDEV encoding auto
18
+
check $?
19
+
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
20
+
check $? "$s" "Configured FEC encodings: Auto
21
+
Active FEC encoding: Off"
22
+
23
+
# Test case in-sensitivity
24
+
for o in off Off OFF; do
25
+
$ETHTOOL --set-fec $NSIM_NETDEV encoding $o
26
+
check $?
27
+
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
28
+
check $? "$s" "Configured FEC encodings: Off
29
+
Active FEC encoding: Off"
30
+
done
31
+
32
+
for o in BaseR baser BAser; do
33
+
$ETHTOOL --set-fec $NSIM_NETDEV encoding $o
34
+
check $?
35
+
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
36
+
check $? "$s" "Configured FEC encodings: BaseR
37
+
Active FEC encoding: BaseR"
38
+
done
39
+
40
+
for o in llrs rs; do
41
+
$ETHTOOL --set-fec $NSIM_NETDEV encoding $o
42
+
check $?
43
+
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
44
+
check $? "$s" "Configured FEC encodings: ${o^^}
45
+
Active FEC encoding: ${o^^}"
46
+
done
47
+
48
+
# Test mutliple bits
49
+
$ETHTOOL --set-fec $NSIM_NETDEV encoding rs llrs
50
+
check $?
51
+
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
52
+
check $? "$s" "Configured FEC encodings: RS LLRS
53
+
Active FEC encoding: LLRS"
54
+
55
+
$ETHTOOL --set-fec $NSIM_NETDEV encoding rs off auto
56
+
check $?
57
+
s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
58
+
check $? "$s" "Configured FEC encodings: Auto Off RS
59
+
Active FEC encoding: RS"
60
+
61
+
# Make sure other link modes are rejected
62
+
$ETHTOOL --set-fec $NSIM_NETDEV encoding FIBRE 2>/dev/null
63
+
check $? '' '' 1
64
+
65
+
$ETHTOOL --set-fec $NSIM_NETDEV encoding bla-bla-bla 2>/dev/null
66
+
check $? '' '' 1
67
+
68
+
# Try JSON
69
+
$ETHTOOL --json --show-fec $NSIM_NETDEV | jq empty >>/dev/null 2>&1
70
+
if [ $? -eq 0 ]; then
71
+
$ETHTOOL --set-fec $NSIM_NETDEV encoding auto
72
+
check $?
73
+
74
+
s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].config[]')
75
+
check $? "$s" '"Auto"'
76
+
s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].active[]')
77
+
check $? "$s" '"Off"'
78
+
79
+
$ETHTOOL --set-fec $NSIM_NETDEV encoding auto RS
80
+
check $?
81
+
82
+
s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].config[]')
83
+
check $? "$s" '"Auto"
84
+
"RS"'
85
+
s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].active[]')
86
+
check $? "$s" '"RS"'
87
+
fi
88
+
89
+
# Test error injection
90
+
echo 11 > $NSIM_DEV_DFS/ethtool/get_err
91
+
92
+
$ETHTOOL --show-fec $NSIM_NETDEV >>/dev/null 2>&1
93
+
check $? '' '' 1
94
+
95
+
echo 0 > $NSIM_DEV_DFS/ethtool/get_err
96
+
echo 11 > $NSIM_DEV_DFS/ethtool/set_err
97
+
98
+
$ETHTOOL --show-fec $NSIM_NETDEV >>/dev/null 2>&1
99
+
check $?
100
+
101
+
$ETHTOOL --set-fec $NSIM_NETDEV encoding RS 2>/dev/null
102
+
check $? '' '' 1
103
+
104
+
if [ $num_errors -eq 0 ]; then
105
+
echo "PASSED all $((num_passes)) checks"
106
+
exit 0
107
+
else
108
+
echo "FAILED $num_errors/$((num_errors+num_passes)) checks"
109
+
exit 1
110
+
fi