sharedbuffer.sh

  1#!/bin/bash
  2# SPDX-License-Identifier: GPL-2.0
  3
  4ALL_TESTS="
  5	port_pool_test
  6	port_tc_ip_test
  7	port_tc_arp_test
  8"
  9
 10NUM_NETIFS=2
 11source ../../../net/forwarding/lib.sh
 12source ../../../net/forwarding/devlink_lib.sh
 13source mlxsw_lib.sh
 14
 15SB_POOL_ING=0
 16SB_POOL_EGR_CPU=10
 17
 18SB_ITC_CPU_IP=2
 19SB_ITC_CPU_ARP=2
 20SB_ITC=0
 21
 22h1_create()
 23{
 24	simple_if_init $h1 192.0.1.1/24
 25	tc qdisc add dev $h1 clsact
 26
 27	# Add egress filter on $h1 that will guarantee that the packet sent,
 28	# will be the only packet being passed to the device.
 29	tc filter add dev $h1 egress pref 2 handle 102 matchall action drop
 30}
 31
 32h1_destroy()
 33{
 34	tc filter del dev $h1 egress pref 2 handle 102 matchall action drop
 35	tc qdisc del dev $h1 clsact
 36	simple_if_fini $h1 192.0.1.1/24
 37}
 38
 39h2_create()
 40{
 41	simple_if_init $h2 192.0.1.2/24
 42	tc qdisc add dev $h2 clsact
 43
 44	# Add egress filter on $h2 that will guarantee that the packet sent,
 45	# will be the only packet being passed to the device.
 46	tc filter add dev $h2 egress pref 1 handle 101 matchall action drop
 47}
 48
 49h2_destroy()
 50{
 51	tc filter del dev $h2 egress pref 1 handle 101 matchall action drop
 52	tc qdisc del dev $h2 clsact
 53	simple_if_fini $h2 192.0.1.2/24
 54}
 55
 56sb_occ_pool_check()
 57{
 58	local dl_port=$1; shift
 59	local pool=$1; shift
 60	local exp_max_occ=$1
 61	local max_occ
 62	local err=0
 63
 64	max_occ=$(devlink sb -j occupancy show $dl_port \
 65		  | jq -e ".[][][\"pool\"][\"$pool\"][\"max\"]")
 66
 67	if [[ "$max_occ" -ne "$exp_max_occ" ]]; then
 68		err=1
 69	fi
 70
 71	echo $max_occ
 72	return $err
 73}
 74
 75sb_occ_itc_check()
 76{
 77	local dl_port=$1; shift
 78	local itc=$1; shift
 79	local exp_max_occ=$1
 80	local max_occ
 81	local err=0
 82
 83	max_occ=$(devlink sb -j occupancy show $dl_port \
 84		  | jq -e ".[][][\"itc\"][\"$itc\"][\"max\"]")
 85
 86	if [[ "$max_occ" -ne "$exp_max_occ" ]]; then
 87		err=1
 88	fi
 89
 90	echo $max_occ
 91	return $err
 92}
 93
 94sb_occ_etc_check()
 95{
 96	local dl_port=$1; shift
 97	local etc=$1; shift
 98	local exp_max_occ=$1; shift
 99	local max_occ
100	local err=0
101
102	max_occ=$(devlink sb -j occupancy show $dl_port \
103		  | jq -e ".[][][\"etc\"][\"$etc\"][\"max\"]")
104
105	if [[ "$max_occ" -ne "$exp_max_occ" ]]; then
106		err=1
107	fi
108
109	echo $max_occ
110	return $err
111}
112
113port_pool_test()
114{
115	local exp_max_occ=$(devlink_cell_size_get)
116	local max_occ
117
118	tc filter add dev $h1 egress protocol ip pref 1 handle 101 flower \
119		src_mac $h1mac dst_mac $h2mac \
120		src_ip 192.0.1.1 dst_ip 192.0.1.2 \
121		action pass
122
123	devlink sb occupancy clearmax $DEVLINK_DEV
124
125	$MZ $h1 -c 1 -p 10 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \
126		-t ip -q
127
128	devlink sb occupancy snapshot $DEVLINK_DEV
129
130	RET=0
131	max_occ=$(sb_occ_pool_check $dl_port2 $SB_POOL_ING $exp_max_occ)
132	check_err $? "Expected iPool($SB_POOL_ING) max occupancy to be $exp_max_occ, but got $max_occ"
133	log_test "physical port's($h2) ingress pool"
134
135	RET=0
136	max_occ=$(sb_occ_pool_check $cpu_dl_port $SB_POOL_EGR_CPU $exp_max_occ)
137	check_err $? "Expected ePool($SB_POOL_EGR_CPU) max occupancy to be $exp_max_occ, but got $max_occ"
138	log_test "CPU port's egress pool"
139
140	tc filter del dev $h1 egress protocol ip pref 1 handle 101 flower \
141		src_mac $h1mac dst_mac $h2mac \
142		src_ip 192.0.1.1 dst_ip 192.0.1.2 \
143		action pass
144}
145
146port_tc_ip_test()
147{
148	local exp_max_occ=$(devlink_cell_size_get)
149	local max_occ
150
151	tc filter add dev $h1 egress protocol ip pref 1 handle 101 flower \
152		src_mac $h1mac dst_mac $h2mac \
153		src_ip 192.0.1.1 dst_ip 192.0.1.2 \
154		action pass
155
156	devlink sb occupancy clearmax $DEVLINK_DEV
157
158	$MZ $h1 -c 1 -p 10 -a $h1mac -b $h2mac -A 192.0.1.1 -B 192.0.1.2 \
159		-t ip -q
160
161	devlink sb occupancy snapshot $DEVLINK_DEV
162
163	RET=0
164	max_occ=$(sb_occ_itc_check $dl_port2 $SB_ITC $exp_max_occ)
165	check_err $? "Expected ingress TC($SB_ITC) max occupancy to be $exp_max_occ, but got $max_occ"
166	log_test "physical port's($h2) ingress TC - IP packet"
167
168	RET=0
169	max_occ=$(sb_occ_etc_check $cpu_dl_port $SB_ITC_CPU_IP $exp_max_occ)
170	check_err $? "Expected egress TC($SB_ITC_CPU_IP) max occupancy to be $exp_max_occ, but got $max_occ"
171	log_test "CPU port's egress TC - IP packet"
172
173	tc filter del dev $h1 egress protocol ip pref 1 handle 101 flower \
174		src_mac $h1mac dst_mac $h2mac \
175		src_ip 192.0.1.1 dst_ip 192.0.1.2 \
176		action pass
177}
178
179port_tc_arp_test()
180{
181	local exp_max_occ=$(devlink_cell_size_get)
182	local max_occ
183
184	tc filter add dev $h1 egress protocol arp pref 1 handle 101 flower \
185		src_mac $h1mac action pass
186
187	devlink sb occupancy clearmax $DEVLINK_DEV
188
189	$MZ $h1 -c 1 -p 10 -a $h1mac -A 192.0.1.1 -t arp -q
190
191	devlink sb occupancy snapshot $DEVLINK_DEV
192
193	RET=0
194	max_occ=$(sb_occ_itc_check $dl_port2 $SB_ITC $exp_max_occ)
195	check_err $? "Expected ingress TC($SB_ITC) max occupancy to be $exp_max_occ, but got $max_occ"
196	log_test "physical port's($h2) ingress TC - ARP packet"
197
198	RET=0
199	max_occ=$(sb_occ_etc_check $cpu_dl_port $SB_ITC_CPU_ARP $exp_max_occ)
200	check_err $? "Expected egress TC($SB_ITC_IP2ME) max occupancy to be $exp_max_occ, but got $max_occ"
201	log_test "CPU port's egress TC - ARP packet"
202
203	tc filter del dev $h1 egress protocol arp pref 1 handle 101 flower \
204		src_mac $h1mac action pass
205}
206
207setup_prepare()
208{
209	h1=${NETIFS[p1]}
210	h2=${NETIFS[p2]}
211
212	h1mac=$(mac_get $h1)
213	h2mac=$(mac_get $h2)
214
215	dl_port1=$(devlink_port_by_netdev $h1)
216	dl_port2=$(devlink_port_by_netdev $h2)
217
218	cpu_dl_port=$(devlink_cpu_port_get)
219
220	vrf_prepare
221
222	h1_create
223	h2_create
224}
225
226cleanup()
227{
228	pre_cleanup
229
230	h2_destroy
231	h1_destroy
232
233	vrf_cleanup
234}
235
236trap cleanup EXIT
237
238setup_prepare
239setup_wait
240
241tests_run
242
243exit $EXIT_STATUS