xref: /linux/tools/testing/selftests/net/mptcp/pm_netlink.sh (revision 79790b6818e96c58fe2bffee1b418c16e64e7b80)
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4# Double quotes to prevent globbing and word splitting is recommended in new
5# code but we accept it, especially because there were too many before having
6# address all other issues detected by shellcheck.
7#shellcheck disable=SC2086
8
9. "$(dirname "${0}")/mptcp_lib.sh"
10
11ret=0
12
13usage() {
14	echo "Usage: $0 [ -h ]"
15}
16
17optstring=h
18while getopts "$optstring" option;do
19	case "$option" in
20	"h")
21		usage $0
22		exit ${KSFT_PASS}
23		;;
24	"?")
25		usage $0
26		exit ${KSFT_FAIL}
27		;;
28	esac
29done
30
31ns1=""
32err=$(mktemp)
33
34# This function is used in the cleanup trap
35#shellcheck disable=SC2317
36cleanup()
37{
38	rm -f $err
39	mptcp_lib_ns_exit "${ns1}"
40}
41
42mptcp_lib_check_mptcp
43mptcp_lib_check_tools ip
44
45trap cleanup EXIT
46
47mptcp_lib_ns_init ns1
48
49check()
50{
51	local cmd="$1"
52	local expected="$2"
53	local msg="$3"
54	local rc=0
55
56	mptcp_lib_print_title "$msg"
57	mptcp_lib_check_output "${err}" "${cmd}" "${expected}" || rc=${?}
58	if [ ${rc} -eq 2 ]; then
59		mptcp_lib_result_fail "${msg} # error ${rc}"
60		ret=${KSFT_FAIL}
61	elif [ ${rc} -eq 0 ]; then
62		mptcp_lib_print_ok "[ OK ]"
63		mptcp_lib_result_pass "${msg}"
64	elif [ ${rc} -eq 1 ]; then
65		mptcp_lib_result_fail "${msg} # different output"
66		ret=${KSFT_FAIL}
67	fi
68}
69
70check "ip netns exec $ns1 ./pm_nl_ctl dump" "" "defaults addr list"
71
72default_limits="$(ip netns exec $ns1 ./pm_nl_ctl limits)"
73if mptcp_lib_expect_all_features; then
74	check "ip netns exec $ns1 ./pm_nl_ctl limits" "accept 0
75subflows 2" "defaults limits"
76fi
77
78ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.1
79ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.2 flags subflow dev lo
80ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.3 flags signal,backup
81check "ip netns exec $ns1 ./pm_nl_ctl get 1" "id 1 flags  10.0.1.1" "simple add/get addr"
82
83check "ip netns exec $ns1 ./pm_nl_ctl dump" \
84"id 1 flags  10.0.1.1
85id 2 flags subflow dev lo 10.0.1.2
86id 3 flags signal,backup 10.0.1.3" "dump addrs"
87
88ip netns exec $ns1 ./pm_nl_ctl del 2
89check "ip netns exec $ns1 ./pm_nl_ctl get 2" "" "simple del addr"
90check "ip netns exec $ns1 ./pm_nl_ctl dump" \
91"id 1 flags  10.0.1.1
92id 3 flags signal,backup 10.0.1.3" "dump addrs after del"
93
94ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.3 2>/dev/null
95check "ip netns exec $ns1 ./pm_nl_ctl get 4" "" "duplicate addr"
96
97ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.4 flags signal
98check "ip netns exec $ns1 ./pm_nl_ctl get 4" "id 4 flags signal 10.0.1.4" "id addr increment"
99
100for i in $(seq 5 9); do
101	ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.$i flags signal >/dev/null 2>&1
102done
103check "ip netns exec $ns1 ./pm_nl_ctl get 9" "id 9 flags signal 10.0.1.9" "hard addr limit"
104check "ip netns exec $ns1 ./pm_nl_ctl get 10" "" "above hard addr limit"
105
106ip netns exec $ns1 ./pm_nl_ctl del 9
107for i in $(seq 10 255); do
108	ip netns exec $ns1 ./pm_nl_ctl add 10.0.0.9 id $i
109	ip netns exec $ns1 ./pm_nl_ctl del $i
110done
111check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags  10.0.1.1
112id 3 flags signal,backup 10.0.1.3
113id 4 flags signal 10.0.1.4
114id 5 flags signal 10.0.1.5
115id 6 flags signal 10.0.1.6
116id 7 flags signal 10.0.1.7
117id 8 flags signal 10.0.1.8" "id limit"
118
119ip netns exec $ns1 ./pm_nl_ctl flush
120check "ip netns exec $ns1 ./pm_nl_ctl dump" "" "flush addrs"
121
122ip netns exec $ns1 ./pm_nl_ctl limits 9 1 2>/dev/null
123check "ip netns exec $ns1 ./pm_nl_ctl limits" "$default_limits" "rcv addrs above hard limit"
124
125ip netns exec $ns1 ./pm_nl_ctl limits 1 9 2>/dev/null
126check "ip netns exec $ns1 ./pm_nl_ctl limits" "$default_limits" "subflows above hard limit"
127
128ip netns exec $ns1 ./pm_nl_ctl limits 8 8
129check "ip netns exec $ns1 ./pm_nl_ctl limits" "accept 8
130subflows 8" "set limits"
131
132ip netns exec $ns1 ./pm_nl_ctl flush
133ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.1
134ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.2
135ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.3 id 100
136ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.4
137ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.5 id 254
138ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.6
139ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.7
140ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.8
141check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags  10.0.1.1
142id 2 flags  10.0.1.2
143id 3 flags  10.0.1.7
144id 4 flags  10.0.1.8
145id 100 flags  10.0.1.3
146id 101 flags  10.0.1.4
147id 254 flags  10.0.1.5
148id 255 flags  10.0.1.6" "set ids"
149
150ip netns exec $ns1 ./pm_nl_ctl flush
151ip netns exec $ns1 ./pm_nl_ctl add 10.0.0.1
152ip netns exec $ns1 ./pm_nl_ctl add 10.0.0.2 id 254
153ip netns exec $ns1 ./pm_nl_ctl add 10.0.0.3
154ip netns exec $ns1 ./pm_nl_ctl add 10.0.0.4
155ip netns exec $ns1 ./pm_nl_ctl add 10.0.0.5 id 253
156ip netns exec $ns1 ./pm_nl_ctl add 10.0.0.6
157ip netns exec $ns1 ./pm_nl_ctl add 10.0.0.7
158ip netns exec $ns1 ./pm_nl_ctl add 10.0.0.8
159check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags  10.0.0.1
160id 2 flags  10.0.0.4
161id 3 flags  10.0.0.6
162id 4 flags  10.0.0.7
163id 5 flags  10.0.0.8
164id 253 flags  10.0.0.5
165id 254 flags  10.0.0.2
166id 255 flags  10.0.0.3" "wrap-around ids"
167
168ip netns exec $ns1 ./pm_nl_ctl flush
169ip netns exec $ns1 ./pm_nl_ctl add 10.0.1.1 flags subflow
170ip netns exec $ns1 ./pm_nl_ctl set 10.0.1.1 flags backup
171check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
172subflow,backup 10.0.1.1" "set flags (backup)"
173ip netns exec $ns1 ./pm_nl_ctl set 10.0.1.1 flags nobackup
174check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
175subflow 10.0.1.1" "          (nobackup)"
176
177# fullmesh support has been added later
178ip netns exec $ns1 ./pm_nl_ctl set id 1 flags fullmesh 2>/dev/null
179if ip netns exec $ns1 ./pm_nl_ctl dump | grep -q "fullmesh" ||
180   mptcp_lib_expect_all_features; then
181	check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
182subflow,fullmesh 10.0.1.1" "          (fullmesh)"
183	ip netns exec $ns1 ./pm_nl_ctl set id 1 flags nofullmesh
184	check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
185subflow 10.0.1.1" "          (nofullmesh)"
186	ip netns exec $ns1 ./pm_nl_ctl set id 1 flags backup,fullmesh
187	check "ip netns exec $ns1 ./pm_nl_ctl dump" "id 1 flags \
188subflow,backup,fullmesh 10.0.1.1" "          (backup,fullmesh)"
189else
190	for st in fullmesh nofullmesh backup,fullmesh; do
191		st="          (${st})"
192		mptcp_lib_print_title "${st}"
193		mptcp_lib_pr_skip
194		mptcp_lib_result_skip "${st}"
195	done
196fi
197
198mptcp_lib_result_print_all_tap
199exit $ret
200