mirror_install()
{
local from_dev=$1; shift
local direction=$1; shift
local to_dev=$1; shift
local filter=$1; shift
tc filter add dev $from_dev $direction \
pref 1000 $filter \
action mirred egress mirror dev $to_dev
}
mirror_uninstall()
{
local from_dev=$1; shift
local direction=$1; shift
tc filter del dev $swp1 $direction pref 1000
}
is_ipv6()
{
local addr=$1; shift
[[ -z ${addr//[0-9a-fA-F:]/} ]]
}
mirror_test()
{
local vrf_name=$1; shift
local sip=$1; shift
local dip=$1; shift
local dev=$1; shift
local pref=$1; shift
local expect=$1; shift
if is_ipv6 $dip; then
local proto=-6
local type="icmp6 type=128"# Echo request. else
local proto=
local type="icmp echoreq" fi
if [[ -z ${expect//[[:digit:]]/} ]]; then
expect="== $expect" fi
local t0=$(tc_rule_stats_get $dev $pref)
$MZ $proto $vrf_name ${sip:+-A $sip} -B $dip -a own -b bc -q \
-c 10 -d 100msec -t $type
sleep 0.5
local t1=$(tc_rule_stats_get $dev $pref)
local delta=$((t1 - t0))
((delta $expect))
check_err $? "Expected to capture $expect packets, got $delta."
}
do_test_span_dir_ips()
{
local expect=$1; shift
local dev=$1; shift
local ip1=$1; shift
local ip2=$1; shift
local forward_type=${1-8}; shift
local backward_type=${1-0}; shift
quick_test_span_dir_ips()
{
local dev=$1; shift
local ip1=$1; shift
local ip2=$1; shift
local forward_type=${1-8}; shift
local backward_type=${1-0}; shift
do_test_span_vlan_dir_ips()
{
local expect=$1; shift
local dev=$1; shift
local vid=$1; shift
local ul_proto=$1; shift
local ip1=$1; shift
local ip2=$1; shift
# Install the capture as skip_hw to avoid double-counting of packets. # The traffic is meant for local box anyway, so will be trapped to # kernel.
vlan_capture_install $dev "skip_hw vlan_id $vid vlan_ethtype $ul_proto"
mirror_test v$h1 $ip1 $ip2 $dev 100 "$expect"
mirror_test v$h2 $ip2 $ip1 $dev 100 "$expect"
vlan_capture_uninstall $dev
}
quick_test_span_vlan_dir_ips()
{
local dev=$1; shift
local vid=$1; shift
local ul_proto=$1; shift
local ip1=$1; shift
local ip2=$1; shift
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