3 # Test various socket options that can be set by attaching programs to cgroups.
5 CGRP_MNT="/tmp/cgroupv2-test_cgrp2_sock"
7 ################################################################################
14 [ $rc -ne 0 ] && status="FAIL"
16 printf "%-50s [%4s]\n" "$2" "$status"
21 out=$(test_cgrp2_sock)
22 echo $out | grep -q "$1"
24 print_result 1 "IPv4: $2"
29 print_result 0 "IPv4: $2"
35 out=$(test_cgrp2_sock -6)
36 echo $out | grep -q "$1"
38 print_result 1 "IPv6: $2"
43 print_result 0 "IPv6: $2"
47 ################################################################################
52 echo $$ >> ${CGRP_MNT}/cgroup.procs
53 rmdir ${CGRP_MNT}/sockopts
61 [ -n "$msg" ] && echo "ERROR: $msg"
70 ################################################################################
75 ip li add cgrp2_sock type dummy 2>/dev/null
79 mount -t cgroup2 none ${CGRP_MNT}
83 # make sure we have a known start point
86 mkdir -p ${CGRP_MNT}/sockopts
87 [ $? -ne 0 ] && cleanup_and_exit 1 "Failed to create cgroup hierarchy"
91 echo $$ > ${CGRP_MNT}/sockopts/cgroup.procs
93 # no bpf program attached, so socket should show no settings
94 check_sock "dev , mark 0, priority 0" "No programs attached"
95 check_sock6 "dev , mark 0, priority 0" "No programs attached"
97 # verify device is set
99 test_cgrp2_sock -b cgrp2_sock ${CGRP_MNT}/sockopts
100 if [ $? -ne 0 ]; then
101 cleanup_and_exit 1 "Failed to install program to set device"
103 check_sock "dev cgrp2_sock, mark 0, priority 0" "Device set"
104 check_sock6 "dev cgrp2_sock, mark 0, priority 0" "Device set"
108 test_cgrp2_sock -m 666 ${CGRP_MNT}/sockopts
109 if [ $? -ne 0 ]; then
110 cleanup_and_exit 1 "Failed to install program to set mark"
112 check_sock "dev , mark 666, priority 0" "Mark set"
113 check_sock6 "dev , mark 666, priority 0" "Mark set"
115 # verify priority is set
117 test_cgrp2_sock -p 123 ${CGRP_MNT}/sockopts
118 if [ $? -ne 0 ]; then
119 cleanup_and_exit 1 "Failed to install program to set priority"
121 check_sock "dev , mark 0, priority 123" "Priority set"
122 check_sock6 "dev , mark 0, priority 123" "Priority set"
126 test_cgrp2_sock -b cgrp2_sock -m 666 -p 123 ${CGRP_MNT}/sockopts
127 if [ $? -ne 0 ]; then
128 cleanup_and_exit 1 "Failed to install program to set device, mark and priority"
130 check_sock "dev cgrp2_sock, mark 666, priority 123" "Priority set"
131 check_sock6 "dev cgrp2_sock, mark 666, priority 123" "Priority set"