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

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 ALL_TESTS="match_indev_egress_test"
   5 NUM_NETIFS=6
   6 source tc_common.sh
   7 source lib.sh
   8
   9 h1_create()
  10 {
  11         simple_if_init $h1 192.0.1.1/24
  12
  13         ip route add 192.0.2.0/24 vrf v$h1 nexthop via 192.0.1.2
  14         ip route add 192.0.3.0/24 vrf v$h1 nexthop via 192.0.1.2
  15 }
  16
  17 h1_destroy()
  18 {
  19         ip route del 192.0.3.0/24 vrf v$h1
  20         ip route del 192.0.2.0/24 vrf v$h1
  21
  22         simple_if_fini $h1 192.0.1.1/24
  23 }
  24
  25 h2_create()
  26 {
  27         simple_if_init $h2 192.0.2.1/24
  28
  29         ip route add 192.0.1.0/24 vrf v$h2 nexthop via 192.0.2.2
  30         ip route add 192.0.3.0/24 vrf v$h2 nexthop via 192.0.2.2
  31 }
  32
  33 h2_destroy()
  34 {
  35         ip route del 192.0.3.0/24 vrf v$h2
  36         ip route del 192.0.1.0/24 vrf v$h2
  37
  38         simple_if_fini $h2 192.0.2.1/24
  39 }
  40
  41 h3_create()
  42 {
  43         simple_if_init $h3 192.0.3.1/24
  44
  45         ip route add 192.0.1.0/24 vrf v$h3 nexthop via 192.0.3.2
  46         ip route add 192.0.2.0/24 vrf v$h3 nexthop via 192.0.3.2
  47 }
  48
  49 h3_destroy()
  50 {
  51         ip route del 192.0.2.0/24 vrf v$h3
  52         ip route del 192.0.1.0/24 vrf v$h3
  53
  54         simple_if_fini $h3 192.0.3.1/24
  55 }
  56
  57
  58 router_create()
  59 {
  60         ip link set dev $rp1 up
  61         ip link set dev $rp2 up
  62         ip link set dev $rp3 up
  63
  64         tc qdisc add dev $rp3 clsact
  65
  66         ip address add 192.0.1.2/24 dev $rp1
  67         ip address add 192.0.2.2/24 dev $rp2
  68         ip address add 192.0.3.2/24 dev $rp3
  69 }
  70
  71 router_destroy()
  72 {
  73         ip address del 192.0.3.2/24 dev $rp3
  74         ip address del 192.0.2.2/24 dev $rp2
  75         ip address del 192.0.1.2/24 dev $rp1
  76
  77         tc qdisc del dev $rp3 clsact
  78
  79         ip link set dev $rp3 down
  80         ip link set dev $rp2 down
  81         ip link set dev $rp1 down
  82 }
  83
  84 match_indev_egress_test()
  85 {
  86         RET=0
  87
  88         tc filter add dev $rp3 egress protocol ip pref 1 handle 101 flower \
  89                 $tcflags indev $rp1 dst_ip 192.0.3.1 action drop
  90         tc filter add dev $rp3 egress protocol ip pref 2 handle 102 flower \
  91                 $tcflags indev $rp2 dst_ip 192.0.3.1 action drop
  92
  93         $MZ $h1 -c 1 -p 64 -a $h1mac -b $rp1mac -A 192.0.1.1 -B 192.0.3.1 \
  94                 -t ip -q
  95
  96         tc_check_packets "dev $rp3 egress" 102 1
  97         check_fail $? "Matched on a wrong filter"
  98
  99         tc_check_packets "dev $rp3 egress" 101 1
 100         check_err $? "Did not match on correct filter"
 101
 102         $MZ $h2 -c 1 -p 64 -a $h2mac -b $rp2mac -A 192.0.2.1 -B 192.0.3.1 \
 103                 -t ip -q
 104
 105         tc_check_packets "dev $rp3 egress" 101 2
 106         check_fail $? "Matched on a wrong filter"
 107
 108         tc_check_packets "dev $rp3 egress" 102 1
 109         check_err $? "Did not match on correct filter"
 110
 111         tc filter del dev $rp3 egress protocol ip pref 2 handle 102 flower
 112         tc filter del dev $rp3 egress protocol ip pref 1 handle 101 flower
 113
 114         log_test "indev egress match ($tcflags)"
 115 }
 116
 117 setup_prepare()
 118 {
 119         h1=${NETIFS[p1]}
 120         rp1=${NETIFS[p2]}
 121
 122         h2=${NETIFS[p3]}
 123         rp2=${NETIFS[p4]}
 124
 125         h3=${NETIFS[p5]}
 126         rp3=${NETIFS[p6]}
 127
 128         h1mac=$(mac_get $h1)
 129         rp1mac=$(mac_get $rp1)
 130         h2mac=$(mac_get $h2)
 131         rp2mac=$(mac_get $rp2)
 132
 133         vrf_prepare
 134
 135         h1_create
 136         h2_create
 137         h3_create
 138
 139         router_create
 140
 141         forwarding_enable
 142 }
 143
 144 cleanup()
 145 {
 146         pre_cleanup
 147
 148         forwarding_restore
 149
 150         router_destroy
 151
 152         h3_destroy
 153         h2_destroy
 154         h1_destroy
 155
 156         vrf_cleanup
 157 }
 158
 159 trap cleanup EXIT
 160
 161 setup_prepare
 162 setup_wait
 163
 164 tc_offload_check
 165 if [[ $? -ne 0 ]]; then
 166         log_info "Could not test offloaded functionality"
 167 else
 168         tcflags="skip_sw"
 169         tests_run
 170 fi
 171
 172 exit $EXIT_STATUS