1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3
4 . "$(dirname "${0}")/mptcp_lib.sh"
5
6 ret=0
7
8 usage() {
9 echo "Usage: $0 [ -i ] [ -h ]"
10 echo -e "\t-i: use 'ip mptcp' instead of 'pm_nl_ctl'"
11 echo -e "\t-h: help"
12 }
13
14 optstring=hi
15 while getopts "$optstring" option;do
16 case "$option" in
17 "h")
18 usage "$0"
19 exit ${KSFT_PASS}
20 ;;
21 "i")
22 mptcp_lib_set_ip_mptcp
23 ;;
24 "?")
25 usage "$0"
26 exit ${KSFT_FAIL}
27 ;;
28 esac
29 done
30
31 ns1=""
32 err=$(mktemp)
33
34 # This function is used in the cleanup trap
35 #shellcheck disable=SC2317
36 cleanup()
37 {
38 rm -f "${err}"
39 mptcp_lib_ns_exit "${ns1}"
40 }
41
42 mptcp_lib_check_mptcp
43 mptcp_lib_check_tools ip
44
45 trap cleanup EXIT
46
47 mptcp_lib_ns_init ns1
48
49 format_limits() {
50 local accept="${1}"
51 local subflows="${2}"
52
53 if mptcp_lib_is_ip_mptcp; then
54 # with a space at the end
55 printf "add_addr_accepted %d subflows %d \n" "${accept}" "${subflows}"
56 else
57 printf "accept %d\nsubflows %d\n" "${accept}" "${subflows}"
58 fi
59 }
60
61 get_limits() {
62 if mptcp_lib_is_ip_mptcp; then
63 ip -n "${ns1}" mptcp limits
64 else
65 ip netns exec "${ns1}" ./pm_nl_ctl limits
66 fi
67 }
68
69 format_endpoints() {
70 mptcp_lib_pm_nl_format_endpoints "${@}"
71 }
72
73 get_endpoint() {
74 # shellcheck disable=SC2317 # invoked indirectly
75 mptcp_lib_pm_nl_get_endpoint "${ns1}" "${@}"
76 }
77
78 change_address() {
79 local addr=${1}
80 local flags=${2}
81
82 if mptcp_lib_is_ip_mptcp; then
83 ip -n "${ns1}" mptcp endpoint change "${addr}" "${flags}"
84 else
85 ip netns exec "${ns1}" ./pm_nl_ctl set "${addr}" flags "${flags}"
86 fi
87 }
88
89 set_limits()
90 {
91 mptcp_lib_pm_nl_set_limits "${ns1}" "${@}"
92 }
93
94 add_endpoint()
95 {
96 mptcp_lib_pm_nl_add_endpoint "${ns1}" "${@}"
97 }
98
99 del_endpoint()
100 {
101 mptcp_lib_pm_nl_del_endpoint "${ns1}" "${@}"
102 }
103
104 flush_endpoint()
105 {
106 mptcp_lib_pm_nl_flush_endpoint "${ns1}"
107 }
108
109 show_endpoints()
110 {
111 mptcp_lib_pm_nl_show_endpoints "${ns1}"
112 }
113
114 change_endpoint()
115 {
116 mptcp_lib_pm_nl_change_endpoint "${ns1}" "${@}"
117 }
118
119 check()
120 {
121 local cmd="$1"
122 local expected="$2"
123 local msg="$3"
124 local rc=0
125
126 mptcp_lib_print_title "$msg"
127 mptcp_lib_check_output "${err}" "${cmd}" "${expected}" || rc=${?}
128 if [ ${rc} -eq 2 ]; then
129 mptcp_lib_result_fail "${msg} # error ${rc}"
130 ret=${KSFT_FAIL}
131 elif [ ${rc} -eq 0 ]; then
132 mptcp_lib_print_ok "[ OK ]"
133 mptcp_lib_result_pass "${msg}"
134 elif [ ${rc} -eq 1 ]; then
135 mptcp_lib_result_fail "${msg} # different output"
136 ret=${KSFT_FAIL}
137 fi
138 }
139
140 mptcp_lib_subtests_last_ts_reset
141
142 check "show_endpoints" "" "defaults addr list"
143
144 default_limits="$(get_limits)"
145 if mptcp_lib_expect_all_features; then
146 check "get_limits" "$(format_limits 0 2)" "defaults limits"
147 fi
148
149 add_endpoint 10.0.1.1
150 add_endpoint 10.0.1.2 flags subflow dev lo
151 add_endpoint 10.0.1.3 flags signal,backup
152 check "get_endpoint 1" "$(format_endpoints "1,10.0.1.1")" "simple add/get addr"
153
154 check "show_endpoints" \
155 "$(format_endpoints "1,10.0.1.1" \
156 "2,10.0.1.2,subflow,lo" \
157 "3,10.0.1.3,signal backup")" "dump addrs"
158
159 del_endpoint 2
160 check "get_endpoint 2" "" "simple del addr"
161 check "show_endpoints" \
162 "$(format_endpoints "1,10.0.1.1" \
163 "3,10.0.1.3,signal backup")" "dump addrs after del"
164
165 add_endpoint 10.0.1.3 2>/dev/null
166 check "get_endpoint 4" "" "duplicate addr"
167
168 add_endpoint 10.0.1.4 flags signal
169 check "get_endpoint 4" "$(format_endpoints "4,10.0.1.4,signal")" "id addr increment"
170
171 for i in $(seq 5 9); do
172 add_endpoint "10.0.1.${i}" flags signal >/dev/null 2>&1
173 done
174 check "get_endpoint 9" "$(format_endpoints "9,10.0.1.9,signal")" "hard addr limit"
175 check "get_endpoint 10" "" "above hard addr limit"
176
177 del_endpoint 9
178 for i in $(seq 10 255); do
179 add_endpoint 10.0.0.9 id "${i}"
180 del_endpoint "${i}"
181 done
182 check "show_endpoints" \
183 "$(format_endpoints "1,10.0.1.1" \
184 "3,10.0.1.3,signal backup" \
185 "4,10.0.1.4,signal" \
186 "5,10.0.1.5,signal" \
187 "6,10.0.1.6,signal" \
188 "7,10.0.1.7,signal" \
189 "8,10.0.1.8,signal")" "id limit"
190
191 flush_endpoint
192 check "show_endpoints" "" "flush addrs"
193
194 set_limits 9 1 2>/dev/null
195 check "get_limits" "${default_limits}" "rcv addrs above hard limit"
196
197 set_limits 1 9 2>/dev/null
198 check "get_limits" "${default_limits}" "subflows above hard limit"
199
200 set_limits 8 8
201 check "get_limits" "$(format_limits 8 8)" "set limits"
202
203 flush_endpoint
204 add_endpoint 10.0.1.1
205 add_endpoint 10.0.1.2
206 add_endpoint 10.0.1.3 id 100
207 add_endpoint 10.0.1.4
208 add_endpoint 10.0.1.5 id 254
209 add_endpoint 10.0.1.6
210 add_endpoint 10.0.1.7
211 add_endpoint 10.0.1.8
212 check "show_endpoints" \
213 "$(format_endpoints "1,10.0.1.1" \
214 "2,10.0.1.2" \
215 "3,10.0.1.7" \
216 "4,10.0.1.8" \
217 "100,10.0.1.3" \
218 "101,10.0.1.4" \
219 "254,10.0.1.5" \
220 "255,10.0.1.6")" "set ids"
221
222 flush_endpoint
223 add_endpoint 10.0.0.1
224 add_endpoint 10.0.0.2 id 254
225 add_endpoint 10.0.0.3
226 add_endpoint 10.0.0.4
227 add_endpoint 10.0.0.5 id 253
228 add_endpoint 10.0.0.6
229 add_endpoint 10.0.0.7
230 add_endpoint 10.0.0.8
231 check "show_endpoints" \
232 "$(format_endpoints "1,10.0.0.1" \
233 "2,10.0.0.4" \
234 "3,10.0.0.6" \
235 "4,10.0.0.7" \
236 "5,10.0.0.8" \
237 "253,10.0.0.5" \
238 "254,10.0.0.2" \
239 "255,10.0.0.3")" "wrap-around ids"
240
241 flush_endpoint
242 add_endpoint 10.0.1.1 flags subflow
243 change_address 10.0.1.1 backup
244 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow backup")" \
245 "set flags (backup)"
246 change_address 10.0.1.1 nobackup
247 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow")" \
248 " (nobackup)"
249
250 # fullmesh support has been added later
251 change_endpoint 1 fullmesh 2>/dev/null
252 if show_endpoints | grep -q "fullmesh" ||
253 mptcp_lib_expect_all_features; then
254 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow fullmesh")" \
255 " (fullmesh)"
256 change_endpoint 1 nofullmesh
257 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow")" \
258 " (nofullmesh)"
259 change_endpoint 1 backup,fullmesh
260 check "show_endpoints" "$(format_endpoints "1,10.0.1.1,subflow backup fullmesh")" \
261 " (backup,fullmesh)"
262 else
263 for st in fullmesh nofullmesh backup,fullmesh; do
264 st=" (${st})"
265 mptcp_lib_print_title "${st}"
266 mptcp_lib_pr_skip
267 mptcp_lib_result_skip "${st}"
268 done
269 fi
270
271 mptcp_lib_result_print_all_tap
272 exit $ret
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