tools/testing/selftests/net/forwarding/tc_flower_cfm.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 ALL_TESTS="match_cfm_opcode match_cfm_level match_cfm_level_and_opcode"
   5 NUM_NETIFS=2
   6 source tc_common.sh
   7 source lib.sh
   8
   9 h1_create()
  10 {
  11         simple_if_init $h1
  12 }
  13
  14 h1_destroy()
  15 {
  16         simple_if_fini $h1
  17 }
  18
  19 h2_create()
  20 {
  21         simple_if_init $h2
  22         tc qdisc add dev $h2 clsact
  23 }
  24
  25 h2_destroy()
  26 {
  27         tc qdisc del dev $h2 clsact
  28         simple_if_fini $h2
  29 }
  30
  31 u8_to_hex()
  32 {
  33         local u8=$1; shift
  34
  35         printf "%02x" $u8
  36 }
  37
  38 generate_cfm_hdr()
  39 {
  40         local mdl=$1; shift
  41         local op=$1; shift
  42         local flags=$1; shift
  43         local tlv_offset=$1; shift
  44
  45         local cfm_hdr=$(:
  46                        )"$(u8_to_hex $((mdl << 5))):"$(         : MD level and Version
  47                        )"$(u8_to_hex $op):"$(                   : OpCode
  48                        )"$(u8_to_hex $flags):"$(                : Flags
  49                        )"$(u8_to_hex $tlv_offset)"$(            : TLV offset
  50                        )
  51
  52         echo $cfm_hdr
  53 }
  54
  55 match_cfm_opcode()
  56 {
  57         local ethtype="89 02"; readonly ethtype
  58         RET=0
  59
  60         tc filter add dev $h2 ingress protocol cfm pref 1 handle 101 \
  61            flower cfm op 47 action drop
  62         tc filter add dev $h2 ingress protocol cfm pref 1 handle 102 \
  63            flower cfm op 43 action drop
  64
  65         pkt="$ethtype $(generate_cfm_hdr 7 47 0 32)"
  66         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
  67         pkt="$ethtype $(generate_cfm_hdr 6 5 0 4)"
  68         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
  69
  70         tc_check_packets "dev $h2 ingress" 101 1
  71         check_err $? "Did not match on correct opcode"
  72
  73         tc_check_packets "dev $h2 ingress" 102 0
  74         check_err $? "Matched on the wrong opcode"
  75
  76         pkt="$ethtype $(generate_cfm_hdr 0 43 0 12)"
  77         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
  78
  79         tc_check_packets "dev $h2 ingress" 101 1
  80         check_err $? "Matched on the wrong opcode"
  81
  82         tc_check_packets "dev $h2 ingress" 102 1
  83         check_err $? "Did not match on correct opcode"
  84
  85         tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower
  86         tc filter del dev $h2 ingress protocol cfm pref 1 handle 102 flower
  87
  88         log_test "CFM opcode match test"
  89 }
  90
  91 match_cfm_level()
  92 {
  93         local ethtype="89 02"; readonly ethtype
  94         RET=0
  95
  96         tc filter add dev $h2 ingress protocol cfm pref 1 handle 101 \
  97            flower cfm mdl 5 action drop
  98         tc filter add dev $h2 ingress protocol cfm pref 1 handle 102 \
  99            flower cfm mdl 3 action drop
 100         tc filter add dev $h2 ingress protocol cfm pref 1 handle 103 \
 101            flower cfm mdl 0 action drop
 102
 103         pkt="$ethtype $(generate_cfm_hdr 5 42 0 12)"
 104         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
 105         pkt="$ethtype $(generate_cfm_hdr 6 1 0 70)"
 106         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
 107         pkt="$ethtype $(generate_cfm_hdr 0 1 0 70)"
 108         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
 109
 110         tc_check_packets "dev $h2 ingress" 101 1
 111         check_err $? "Did not match on correct level"
 112
 113         tc_check_packets "dev $h2 ingress" 102 0
 114         check_err $? "Matched on the wrong level"
 115
 116         tc_check_packets "dev $h2 ingress" 103 1
 117         check_err $? "Did not match on correct level"
 118
 119         pkt="$ethtype $(generate_cfm_hdr 3 0 0 4)"
 120         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
 121
 122         tc_check_packets "dev $h2 ingress" 101 1
 123         check_err $? "Matched on the wrong level"
 124
 125         tc_check_packets "dev $h2 ingress" 102 1
 126         check_err $? "Did not match on correct level"
 127
 128         tc_check_packets "dev $h2 ingress" 103 1
 129         check_err $? "Matched on the wrong level"
 130
 131         tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower
 132         tc filter del dev $h2 ingress protocol cfm pref 1 handle 102 flower
 133         tc filter del dev $h2 ingress protocol cfm pref 1 handle 103 flower
 134
 135         log_test "CFM level match test"
 136 }
 137
 138 match_cfm_level_and_opcode()
 139 {
 140         local ethtype="89 02"; readonly ethtype
 141         RET=0
 142
 143         tc filter add dev $h2 ingress protocol cfm pref 1 handle 101 \
 144            flower cfm mdl 5 op 41 action drop
 145         tc filter add dev $h2 ingress protocol cfm pref 1 handle 102 \
 146            flower cfm mdl 7 op 42 action drop
 147
 148         pkt="$ethtype $(generate_cfm_hdr 5 41 0 4)"
 149         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
 150         pkt="$ethtype $(generate_cfm_hdr 7 3 0 4)"
 151         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
 152         pkt="$ethtype $(generate_cfm_hdr 3 42 0 12)"
 153         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
 154
 155         tc_check_packets "dev $h2 ingress" 101 1
 156         check_err $? "Did not match on correct level and opcode"
 157
 158         tc_check_packets "dev $h2 ingress" 102 0
 159         check_err $? "Matched on the wrong level and opcode"
 160
 161         pkt="$ethtype $(generate_cfm_hdr 7 42 0 12)"
 162         $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
 163
 164         tc_check_packets "dev $h2 ingress" 101 1
 165         check_err $? "Matched on the wrong level and opcode"
 166
 167         tc_check_packets "dev $h2 ingress" 102 1
 168         check_err $? "Did not match on correct level and opcode"
 169
 170         tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower
 171         tc filter del dev $h2 ingress protocol cfm pref 1 handle 102 flower
 172
 173         log_test "CFM opcode and level match test"
 174 }
 175
 176 setup_prepare()
 177 {
 178         h1=${NETIFS[p1]}
 179         h2=${NETIFS[p2]}
 180         h1mac=$(mac_get $h1)
 181         h2mac=$(mac_get $h2)
 182
 183         vrf_prepare
 184
 185         h1_create
 186         h2_create
 187 }
 188
 189 cleanup()
 190 {
 191         pre_cleanup
 192
 193         h2_destroy
 194         h1_destroy
 195
 196         vrf_cleanup
 197 }
 198
 199 trap cleanup EXIT
 200
 201 setup_prepare
 202 setup_wait
 203
 204 tests_run
 205
 206 exit $EXIT_STATUS