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 # Since commit 2b3ddcb35357 ("ethtool: fec: Change the prompt ...")
12 # in ethtool CLI the Configured lines start with Supported/Configured.
13 configured=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2 | head -1 | cut -d' ' -f1)
14
15 # netdevsim starts out with None/None
16 s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
17 check $? "$s" "$configured FEC encodings: None
18 Active FEC encoding: None"
19
20 # Test Auto
21 $ETHTOOL --set-fec $NSIM_NETDEV encoding auto
22 check $?
23 s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
24 check $? "$s" "$configured FEC encodings: Auto
25 Active FEC encoding: Off"
26
27 # Test case in-sensitivity
28 for o in off Off OFF; do
29 $ETHTOOL --set-fec $NSIM_NETDEV encoding $o
30 check $?
31 s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
32 check $? "$s" "$configured FEC encodings: Off
33 Active FEC encoding: Off"
34 done
35
36 for o in BaseR baser BAser; do
37 $ETHTOOL --set-fec $NSIM_NETDEV encoding $o
38 check $?
39 s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
40 check $? "$s" "$configured FEC encodings: BaseR
41 Active FEC encoding: BaseR"
42 done
43
44 for o in llrs rs; do
45 $ETHTOOL --set-fec $NSIM_NETDEV encoding $o
46 check $?
47 s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
48 check $? "$s" "$configured FEC encodings: ${o^^}
49 Active FEC encoding: ${o^^}"
50 done
51
52 # Test multiple bits
53 $ETHTOOL --set-fec $NSIM_NETDEV encoding rs llrs
54 check $?
55 s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
56 check $? "$s" "$configured FEC encodings: RS LLRS
57 Active FEC encoding: LLRS"
58
59 $ETHTOOL --set-fec $NSIM_NETDEV encoding rs off auto
60 check $?
61 s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
62 check $? "$s" "$configured FEC encodings: Auto Off RS
63 Active FEC encoding: RS"
64
65 # Make sure other link modes are rejected
66 $ETHTOOL --set-fec $NSIM_NETDEV encoding FIBRE 2>/dev/null
67 check $? '' '' 1
68
69 $ETHTOOL --set-fec $NSIM_NETDEV encoding bla-bla-bla 2>/dev/null
70 check $? '' '' 1
71
72 # Try JSON
73 $ETHTOOL --json --show-fec $NSIM_NETDEV | jq empty >>/dev/null 2>&1
74 if [ $? -eq 0 ]; then
75 $ETHTOOL --set-fec $NSIM_NETDEV encoding auto
76 check $?
77
78 s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].config[]')
79 check $? "$s" '"Auto"'
80 s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].active[]')
81 check $? "$s" '"Off"'
82
83 $ETHTOOL --set-fec $NSIM_NETDEV encoding auto RS
84 check $?
85
86 s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].config[]')
87 check $? "$s" '"Auto"
88 "RS"'
89 s=$($ETHTOOL --json --show-fec $NSIM_NETDEV | jq '.[].active[]')
90 check $? "$s" '"RS"'
91 fi
92
93 # Test error injection
94 echo 11 > $NSIM_DEV_DFS/ethtool/get_err
95
96 $ETHTOOL --show-fec $NSIM_NETDEV >>/dev/null 2>&1
97 check $? '' '' 1
98
99 echo 0 > $NSIM_DEV_DFS/ethtool/get_err
100 echo 11 > $NSIM_DEV_DFS/ethtool/set_err
101
102 $ETHTOOL --show-fec $NSIM_NETDEV >>/dev/null 2>&1
103 check $?
104
105 $ETHTOOL --set-fec $NSIM_NETDEV encoding RS 2>/dev/null
106 check $? '' '' 1
107
108 if [ $num_errors -eq 0 ]; then
109 echo "PASSED all $((num_passes)) checks"
110 exit 0
111 else
112 echo "FAILED $num_errors/$((num_errors+num_passes)) checks"
113 exit 1
114 fi
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