Quelle  test_vxlan_fdb_changelink.sh   Sprache: Shell

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

ALL_TESTS="
 test_set_remote
 test_change_mc_remote
"
source lib.sh

check_remotes()
{
 local what=$1; shift
 local N=$(bridge fdb sh dev vx | grep 00:00:00:00:00:00 | wc -l)

 ((N == 2))
 check_err $? "expected 2 remotes after $what, got $N"
}

# Check FDB default-remote handling across "ip link set".
test_set_remote()
{
 RET=0

 ip_link_add vx up type vxlan id 2000 dstport 4789
 bridge fdb ap dev vx 00:00:00:00:00:00 dst 192.0.2.20 self permanent
 bridge fdb ap dev vx 00:00:00:00:00:00 dst 192.0.2.30 self permanent
 check_remotes "fdb append"

 ip link set dev vx type vxlan remote 192.0.2.30
 check_remotes "link set"

 log_test 'FDB default-remote handling across "ip link set"'
}

fmt_remote()
{
 local addr=$1; shift

 if [[ $addr == 224.* ]]; then
  echo "group $addr"
 else
  echo "remote $addr"
 fi
}

change_remote()
{
 local remote=$1; shift

 ip link set dev vx type vxlan $(fmt_remote $remote) dev v1
}

check_membership()
{
 local check_vec=("$@")

 local memberships
 memberships=$(
     netstat -n --groups |
  sed -n '/^v1\b/p' |
  grep -o '[^ ]*$'
 )
 check_err $? "Couldn't obtain group memberships"

 local item
 for item in "${check_vec[@]}"; do
  eval "local $item"
  echo "$memberships" | grep -q "\b$group\b"
  check_err_fail $fail $? "$group is_ex reported in IGMP query response"
 done
}

test_change_mc_remote()
{
 check_command netstat || return

 ip_link_add v1 up type veth peer name v2
 ip_link_set_up v2

 RET=0

 ip_link_add vx up type vxlan dstport 4789 \
  local 192.0.2.1 $(fmt_remote 224.1.1.1) dev v1 vni 1000

 check_membership "group=224.1.1.1 fail=0" \
    "group=224.1.1.2 fail=1" \
    "group=224.1.1.3 fail=1"

 log_test "MC group report after VXLAN creation"

 RET=0

 change_remote 224.1.1.2
 check_membership "group=224.1.1.1 fail=1" \
    "group=224.1.1.2 fail=0" \
    "group=224.1.1.3 fail=1"

 log_test "MC group report after changing VXLAN remote MC->MC"

 RET=0

 change_remote 192.0.2.2
 check_membership "group=224.1.1.1 fail=1" \
    "group=224.1.1.2 fail=1" \
    "group=224.1.1.3 fail=1"

 log_test "MC group report after changing VXLAN remote MC->UC"
}

trap defer_scopes_cleanup EXIT

tests_run

exit $EXIT_STATUS