linux/tools/testing/selftests/net/forwarding/tc_common.sh

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

CHECK_TC="yes"

# Can be overridden by the configuration file. See lib.sh
TC_HIT_TIMEOUT=${TC_HIT_TIMEOUT:=1000} # ms

tc_check_packets()
{
	local id=$1
	local handle=$2
	local count=$3

	busywait "$TC_HIT_TIMEOUT" until_counter_is "== $count" \
		 tc_rule_handle_stats_get "$id" "$handle" > /dev/null
}

tc_check_at_least_x_packets()
{
	local id=$1
	local handle=$2
	local count=$3

	busywait "$TC_HIT_TIMEOUT" until_counter_is ">= $count" \
		 tc_rule_handle_stats_get "$id" "$handle" > /dev/null
}

tc_check_packets_hitting()
{
	local id=$1
	local handle=$2

	busywait "$TC_HIT_TIMEOUT" until_counter_is "> 0" \
		 tc_rule_handle_stats_get "$id" "$handle" > /dev/null
}