Module Name: src
Committed By: ozaki-r
Date: Tue Nov 17 06:44:13 UTC 2015
Modified Files:
src/tests/net/ndp: t_ndp.sh
Log Message:
Add tests for GC of neighbor caches
To generate a diff of this commit:
cvs rdiff -u -r1.6 -r1.7 src/tests/net/ndp/t_ndp.sh
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/tests/net/ndp/t_ndp.sh
diff -u src/tests/net/ndp/t_ndp.sh:1.6 src/tests/net/ndp/t_ndp.sh:1.7
--- src/tests/net/ndp/t_ndp.sh:1.6 Tue Aug 18 00:58:35 2015
+++ src/tests/net/ndp/t_ndp.sh Tue Nov 17 06:44:13 2015
@@ -1,4 +1,4 @@
-# $NetBSD: t_ndp.sh,v 1.6 2015/08/18 00:58:35 ozaki-r Exp $
+# $NetBSD: t_ndp.sh,v 1.7 2015/11/17 06:44:13 ozaki-r Exp $
#
# Copyright (c) 2015 The NetBSD Foundation, Inc.
# All rights reserved.
@@ -40,6 +40,7 @@ TIMEOUT=1
atf_test_case cache_expiration cleanup
atf_test_case command cleanup
atf_test_case cache_overwriting cleanup
+atf_test_case neighborgcthresh cleanup
cache_expiration_head()
{
@@ -59,6 +60,12 @@ cache_overwriting_head()
atf_set "require.progs" "rump_server"
}
+neighborgcthresh_head()
+{
+ atf_set "descr" "Tests for GC of neighbor caches"
+ atf_set "require.progs" "rump_server"
+}
+
setup_dst_server()
{
export RUMP_SERVER=$SOCKDST
@@ -230,6 +237,68 @@ cache_overwriting_body()
return 0
}
+get_n_caches()
+{
+
+ echo $(rump.ndp -a -n |grep -v -e Neighbor -e permanent |wc -l)
+}
+
+neighborgcthresh_body()
+{
+
+ atf_check -s exit:0 ${inetserver} $SOCKSRC
+ atf_check -s exit:0 ${inetserver} $SOCKDST
+
+ setup_dst_server
+ setup_src_server
+
+ export RUMP_SERVER=$SOCKDST
+ for i in $(seq 0 9); do
+ atf_check -s exit:0 rump.ifconfig shmif0 inet6 ${IP6DST}$i
+ done
+
+ export RUMP_SERVER=$SOCKSRC
+
+ # ping to 3 destinations
+ $DEBUG && rump.ndp -n -a
+ for i in $(seq 0 2); do
+ atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \
+ ${IP6DST}$i
+ done
+ $DEBUG && rump.ndp -n -a
+
+ # 3 caches should be created
+ atf_check_equal $(get_n_caches) 3
+
+ # ping to additional 3 destinations
+ for i in $(seq 3 5); do
+ atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \
+ ${IP6DST}$i
+ done
+ $DEBUG && rump.ndp -n -a
+
+ # 6 caches should be created in total
+ atf_check_equal $(get_n_caches) 6
+
+ # Limit the number of neighbor caches to 5
+ atf_check -s exit:0 -o ignore rump.sysctl -w \
+ net.inet6.ip6.neighborgcthresh=5
+
+ # ping to additional 4 destinations
+ for i in $(seq 6 9); do
+ atf_check -s exit:0 -o ignore rump.ping6 -n -X $TIMEOUT -c 1 \
+ ${IP6DST}$i
+ done
+
+ # More than 5 caches should be created in total, but exceeded caches
+ # should be GC-ed
+ if [ "$(get_n_caches)" -gt 5 ]; then
+ atf_fail "Neighbor caches are not GC-ed"
+ fi
+
+ return 0
+}
+
cleanup()
{
env RUMP_SERVER=$SOCKSRC rump.halt
@@ -281,9 +350,16 @@ cache_overwriting_cleanup()
cleanup
}
+neighborgcthresh_cleanup()
+{
+ $DEBUG && dump
+ cleanup
+}
+
atf_init_test_cases()
{
atf_add_test_case cache_expiration
atf_add_test_case command
atf_add_test_case cache_overwriting
+ atf_add_test_case neighborgcthresh
}
