tc_flower_scale.sh

 1# SPDX-License-Identifier: GPL-2.0
 2source ../tc_flower_scale.sh
 3
 4tc_flower_get_target()
 5{
 6	local should_fail=$1; shift
 7	local max_cnts
 8
 9	# The driver associates a counter with each tc filter, which means the
10	# number of supported filters is bounded by the number of available
11	# counters.
12	max_cnts=$(devlink_resource_size_get counters flow)
13
14	# Remove already allocated counters.
15	((max_cnts -= $(devlink_resource_occ_get counters flow)))
16
17	# Each rule uses two counters, for packets and bytes.
18	((max_cnts /= 2))
19
20	if ((! should_fail)); then
21		echo $max_cnts
22	else
23		echo $((max_cnts + 1))
24	fi
25}