1 # SPDX-License-Identifier: GPL-2.0
2 source ../rif_counter_scale.sh
3
4 rif_counter_get_target()
5 {
6 local should_fail=$1; shift
7 local max_cnts
8 local max_rifs
9 local target
10
11 max_rifs=$(devlink_resource_size_get rifs)
12 max_cnts=$(devlink_resource_size_get counters rif)
13
14 # Remove already allocated RIFs.
15 ((max_rifs -= $(devlink_resource_occ_get rifs)))
16
17 # 10 KVD slots per counter, ingress+egress counters per RIF
18 ((max_cnts /= 20))
19
20 # Pointless to run the overflow test if we don't have enough RIFs to
21 # host all the counters.
22 if ((max_cnts > max_rifs && should_fail)); then
23 echo 0
24 return
25 fi
26
27 target=$((max_rifs < max_cnts ? max_rifs : max_cnts))
28
29 if ((! should_fail)); then
30 echo $target
31 else
32 echo $((target + 1))
33 fi
34 }
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