ethtool-fec.sh

  1#!/bin/bash
  2# SPDX-License-Identifier: GPL-2.0-only
  3
  4source ethtool-common.sh
  5
  6NSIM_NETDEV=$(make_netdev)
  7[ a$ETHTOOL == a ] && ETHTOOL=ethtool
  8
  9set -o pipefail
 10
 11# Since commit 2b3ddcb35357 ("ethtool: fec: Change the prompt ...")
 12# in ethtool CLI the Configured lines start with Supported/Configured.
 13configured=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2 | head -1 | cut -d' ' -f1)
 14
 15# netdevsim starts out with None/None
 16s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
 17check $? "$s" "$configured FEC encodings: None
 18Active FEC encoding: None"
 19
 20# Test Auto
 21$ETHTOOL --set-fec $NSIM_NETDEV encoding auto
 22check $?
 23s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
 24check $? "$s" "$configured FEC encodings: Auto
 25Active FEC encoding: Off"
 26
 27# Test case in-sensitivity
 28for 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
 33Active FEC encoding: Off"
 34done
 35
 36for 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
 41Active FEC encoding: BaseR"
 42done
 43
 44for 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^^}
 49Active FEC encoding: ${o^^}"
 50done
 51
 52# Test multiple bits
 53$ETHTOOL --set-fec $NSIM_NETDEV encoding rs llrs
 54check $?
 55s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
 56check $? "$s" "$configured FEC encodings: RS LLRS
 57Active FEC encoding: LLRS"
 58
 59$ETHTOOL --set-fec $NSIM_NETDEV encoding rs off auto
 60check $?
 61s=$($ETHTOOL --show-fec $NSIM_NETDEV | tail -2)
 62check $? "$s" "$configured FEC encodings: Auto Off RS
 63Active FEC encoding: RS"
 64
 65# Make sure other link modes are rejected
 66$ETHTOOL --set-fec $NSIM_NETDEV encoding FIBRE 2>/dev/null
 67check $? '' '' 1
 68
 69$ETHTOOL --set-fec $NSIM_NETDEV encoding bla-bla-bla 2>/dev/null
 70check $? '' '' 1
 71
 72# Try JSON
 73$ETHTOOL --json --show-fec $NSIM_NETDEV | jq empty >>/dev/null 2>&1
 74if [ $? -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"'
 91fi
 92
 93# Test error injection
 94echo 11 > $NSIM_DEV_DFS/ethtool/get_err
 95
 96$ETHTOOL --show-fec $NSIM_NETDEV >>/dev/null 2>&1
 97check $? '' '' 1
 98
 99echo 0 > $NSIM_DEV_DFS/ethtool/get_err
100echo 11 > $NSIM_DEV_DFS/ethtool/set_err
101
102$ETHTOOL --show-fec $NSIM_NETDEV  >>/dev/null 2>&1
103check $?
104
105$ETHTOOL --set-fec $NSIM_NETDEV encoding RS 2>/dev/null
106check $? '' '' 1
107
108if [ $num_errors -eq 0 ]; then
109    echo "PASSED all $((num_passes)) checks"
110    exit 0
111else
112    echo "FAILED $num_errors/$((num_errors+num_passes)) checks"
113    exit 1
114fi