tools/testing/selftests/drivers/net/hw/ethtool_extended_state.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 ALL_TESTS="
   5         autoneg
   6         autoneg_force_mode
   7         no_cable
   8 "
   9
  10 NUM_NETIFS=2
  11 lib_dir=$(dirname "$0")
  12 source "$lib_dir"/../../../net/forwarding/lib.sh
  13 source ethtool_lib.sh
  14
  15 TIMEOUT=$((WAIT_TIMEOUT * 1000)) # ms
  16
  17 setup_prepare()
  18 {
  19         swp1=${NETIFS[p1]}
  20         swp2=${NETIFS[p2]}
  21         swp3=$NETIF_NO_CABLE
  22 }
  23
  24 ethtool_ext_state()
  25 {
  26         local dev=$1; shift
  27         local expected_ext_state=$1; shift
  28         local expected_ext_substate=${1:-""}; shift
  29
  30         local ext_state=$(ethtool $dev | grep "Link detected" \
  31                 | cut -d "(" -f2 | cut -d ")" -f1)
  32         local ext_substate=$(echo $ext_state | cut -sd "," -f2 \
  33                 | sed -e 's/^[[:space:]]*//')
  34         ext_state=$(echo $ext_state | cut -d "," -f1)
  35
  36         if [[ $ext_state != $expected_ext_state ]]; then
  37                 echo "Expected \"$expected_ext_state\", got \"$ext_state\""
  38                 return 1
  39         fi
  40         if [[ $ext_substate != $expected_ext_substate ]]; then
  41                 echo "Expected \"$expected_ext_substate\", got \"$ext_substate\""
  42                 return 1
  43         fi
  44 }
  45
  46 autoneg()
  47 {
  48         local msg
  49
  50         RET=0
  51
  52         ip link set dev $swp1 up
  53
  54         msg=$(busywait $TIMEOUT ethtool_ext_state $swp1 \
  55                         "Autoneg" "No partner detected")
  56         check_err $? "$msg"
  57
  58         log_test "Autoneg, No partner detected"
  59
  60         ip link set dev $swp1 down
  61 }
  62
  63 autoneg_force_mode()
  64 {
  65         local msg
  66
  67         RET=0
  68
  69         ip link set dev $swp1 up
  70         ip link set dev $swp2 up
  71
  72         local -a speeds_arr=($(different_speeds_get $swp1 $swp2 0 0))
  73         local speed1=${speeds_arr[0]}
  74         local speed2=${speeds_arr[1]}
  75
  76         ethtool_set $swp1 speed $speed1 autoneg off
  77         ethtool_set $swp2 speed $speed2 autoneg off
  78
  79         msg=$(busywait $TIMEOUT ethtool_ext_state $swp1 \
  80                         "Autoneg" "No partner detected during force mode")
  81         check_err $? "$msg"
  82
  83         msg=$(busywait $TIMEOUT ethtool_ext_state $swp2 \
  84                         "Autoneg" "No partner detected during force mode")
  85         check_err $? "$msg"
  86
  87         log_test "Autoneg, No partner detected during force mode"
  88
  89         ethtool -s $swp2 autoneg on
  90         ethtool -s $swp1 autoneg on
  91
  92         ip link set dev $swp2 down
  93         ip link set dev $swp1 down
  94 }
  95
  96 no_cable()
  97 {
  98         local msg
  99
 100         RET=0
 101
 102         ip link set dev $swp3 up
 103
 104         msg=$(busywait $TIMEOUT ethtool_ext_state $swp3 "No cable")
 105         check_err $? "$msg"
 106
 107         log_test "No cable"
 108
 109         ip link set dev $swp3 down
 110 }
 111
 112 setup_prepare
 113
 114 tests_run
 115
 116 exit $EXIT_STATUS