tools/testing/selftests/drivers/net/mlxsw/router_scale.sh

   1 #!/bin/bash
   2 # SPDX-License-Identifier: GPL-2.0
   3
   4 ROUTER_NUM_NETIFS=4
   5
   6 router_h1_create()
   7 {
   8         simple_if_init $h1 192.0.1.1/24
   9         ip route add 193.0.0.0/8 via 192.0.1.2 dev $h1
  10 }
  11
  12 router_h1_destroy()
  13 {
  14         ip route del 193.0.0.0/8 via 192.0.1.2 dev $h1
  15         simple_if_fini $h1 192.0.1.1/24
  16 }
  17
  18 router_h2_create()
  19 {
  20         simple_if_init $h2 192.0.2.1/24
  21         tc qdisc add dev $h2 handle ffff: ingress
  22 }
  23
  24 router_h2_destroy()
  25 {
  26         tc qdisc del dev $h2 handle ffff: ingress
  27         simple_if_fini $h2 192.0.2.1/24
  28 }
  29
  30 router_create()
  31 {
  32         ip link set dev $rp1 up
  33         ip link set dev $rp2 up
  34
  35         ip address add 192.0.1.2/24 dev $rp1
  36         ip address add 192.0.2.2/24 dev $rp2
  37 }
  38
  39 router_destroy()
  40 {
  41         ip address del 192.0.2.2/24 dev $rp2
  42         ip address del 192.0.1.2/24 dev $rp1
  43
  44         ip link set dev $rp2 down
  45         ip link set dev $rp1 down
  46 }
  47
  48 router_setup_prepare()
  49 {
  50         h1=${NETIFS[p1]}
  51         rp1=${NETIFS[p2]}
  52
  53         rp2=${NETIFS[p3]}
  54         h2=${NETIFS[p4]}
  55
  56         h1mac=$(mac_get $h1)
  57         rp1mac=$(mac_get $rp1)
  58
  59         vrf_prepare
  60
  61         router_h1_create
  62         router_h2_create
  63
  64         router_create
  65 }
  66
  67 router_offload_validate()
  68 {
  69         local route_count=$1
  70         local offloaded_count
  71
  72         offloaded_count=$(ip route | grep -o 'offload' | wc -l)
  73         [[ $offloaded_count -ge $route_count ]]
  74 }
  75
  76 router_routes_create()
  77 {
  78         local route_count=$1
  79         local count=0
  80
  81         ROUTE_FILE="$(mktemp)"
  82
  83         for i in {0..255}
  84         do
  85                 for j in {0..255}
  86                 do
  87                         for k in {0..255}
  88                         do
  89                                 if [[ $count -eq $route_count ]]; then
  90                                         break 3
  91                                 fi
  92
  93                                 echo route add 193.${i}.${j}.${k}/32 via \
  94                                        192.0.2.1 dev $rp2  >> $ROUTE_FILE
  95                                 ((count++))
  96                         done
  97                 done
  98         done
  99
 100         ip -b $ROUTE_FILE &> /dev/null
 101 }
 102
 103 router_routes_destroy()
 104 {
 105         if [[ -v ROUTE_FILE ]]; then
 106                 rm -f $ROUTE_FILE
 107         fi
 108 }
 109
 110 router_test()
 111 {
 112         local route_count=$1
 113         local should_fail=$2
 114         local count=0
 115
 116         RET=0
 117
 118         router_routes_create $route_count
 119
 120         router_offload_validate $route_count
 121         check_err_fail $should_fail $? "Offload of $route_count routes"
 122         if [[ $RET -ne 0 ]] || [[ $should_fail -eq 1 ]]; then
 123                 return
 124         fi
 125
 126         tc filter add dev $h2 ingress protocol ip pref 1 flower \
 127                 skip_sw dst_ip 193.0.0.0/8 action drop
 128
 129         for i in {0..255}
 130         do
 131                 for j in {0..255}
 132                 do
 133                         for k in {0..255}
 134                         do
 135                                 if [[ $count -eq $route_count ]]; then
 136                                         break 3
 137                                 fi
 138
 139                                 $MZ $h1 -c 1 -p 64 -a $h1mac -b $rp1mac \
 140                                         -A 192.0.1.1 -B 193.${i}.${j}.${k} \
 141                                         -t ip -q
 142                                 ((count++))
 143                         done
 144                 done
 145         done
 146
 147         tc_check_packets "dev $h2 ingress" 1 $route_count
 148         check_err $? "Offload mismatch"
 149
 150         tc filter del dev $h2 ingress protocol ip pref 1 flower \
 151                 skip_sw dst_ip 193.0.0.0/8 action drop
 152
 153         router_routes_destroy
 154 }
 155
 156 router_cleanup()
 157 {
 158         pre_cleanup
 159
 160         router_routes_destroy
 161         router_destroy
 162
 163         router_h2_destroy
 164         router_h1_destroy
 165
 166         vrf_cleanup
 167 }