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Add tests for GARP without DAD 

Additionally make the existing tests for GARP more explicit.
This commit is contained in:
ozaki-r 2018-04-06 09:23:36 +00:00
parent 9e4591fa4a
commit 6ca7de5d0d
1 changed files with 82 additions and 11 deletions
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93
tests/net/arp/t_arp.sh
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@ -1,4 +1,4 @@
# $NetBSD: t_arp.sh,v 1.35 2018/04/06 09:21:57 ozaki-r Exp $
# $NetBSD: t_arp.sh,v 1.36 2018/04/06 09:23:36 ozaki-r Exp $
#
# Copyright (c) 2015 The NetBSD Foundation, Inc.
# All rights reserved.
@ -41,6 +41,7 @@ atf_test_case arp_cache_expiration_5s cleanup
atf_test_case arp_cache_expiration_10s cleanup
atf_test_case arp_command cleanup
atf_test_case arp_garp cleanup
atf_test_case arp_garp_without_dad cleanup
atf_test_case arp_cache_overwriting cleanup
atf_test_case arp_proxy_arp_pub cleanup
atf_test_case arp_proxy_arp_pubproxy cleanup
@ -71,6 +72,13 @@ arp_garp_head()
atf_set "require.progs" "rump_server"
}
arp_garp_without_dad_head()
{
atf_set "descr" "Tests for GARP with DAD disabled"
atf_set "require.progs" "rump_server"
}
arp_cache_overwriting_head()
{
atf_set "descr" "Tests for behavior of overwriting ARP caches"
@ -297,45 +305,100 @@ make_pkt_str_arpreq()
echo $pkt
}
arp_garp_body()
test_garp_common()
{
local no_dad=$1
local pkt=
rump_server_start $SOCKSRC
export RUMP_SERVER=$SOCKSRC
if $no_dad; then
atf_check -s exit:0 -o match:'3 -> 0' \
rump.sysctl -w net.inet.ip.dad_count=0
fi
# Setup an interface
rump_server_add_iface $SOCKSRC shmif0 bus1
atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.1/24
atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.2/24 alias
atf_check -s exit:0 rump.ifconfig shmif0 up
$DEBUG && rump.ifconfig shmif0
atf_check -s exit:0 sleep 1
extract_new_packets bus1 > ./out
#
# Assign an address to an interface without IFF_UP
#
# A GARP packet is sent for the primary address
pkt=$(make_pkt_str_arpreq 10.0.0.1 10.0.0.1)
atf_check -s exit:0 -o match:"$pkt" cat ./out
# No GARP packet is sent for the alias address
pkt=$(make_pkt_str_arpreq 10.0.0.2 10.0.0.2)
atf_check -s exit:0 -o not-match:"$pkt" cat ./out
atf_check -s exit:0 rump.ifconfig -w 10
atf_check -s exit:0 rump.ifconfig shmif0 down
atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.2/24 alias
atf_check -s exit:0 sleep 1
extract_new_packets bus1 > ./out
# A GARP packet is sent for the alias address
pkt=$(make_pkt_str_arpreq 10.0.0.2 10.0.0.2)
atf_check -s exit:0 -o match:"$pkt" cat ./out
# Clean up
atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.1/24 delete
atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.2/24 delete
#
# Assign an address to an interface with IFF_UP
#
atf_check -s exit:0 rump.ifconfig shmif0 up
# Primary address
atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.3/24
atf_check -s exit:0 sleep 1
extract_new_packets bus1 > ./out
pkt=$(make_pkt_str_arpreq 10.0.0.3 10.0.0.3)
if $no_dad; then
# A GARP packet is sent
atf_check -s exit:0 -o match:"$pkt" cat ./out
else
# No GARP packet is sent
atf_check -s exit:0 -o not-match:"$pkt" cat ./out
fi
# Alias address
atf_check -s exit:0 rump.ifconfig shmif0 inet 10.0.0.4/24 alias
# No GARP packets are sent during IFF_UP
atf_check -s exit:0 sleep 1
extract_new_packets bus1 > ./out
pkt=$(make_pkt_str_arpreq 10.0.0.3 10.0.0.3)
atf_check -s exit:0 -o not-match:"$pkt" cat ./out
pkt=$(make_pkt_str_arpreq 10.0.0.4 10.0.0.4)
atf_check -s exit:0 -o not-match:"$pkt" cat ./out
if $no_dad; then
# A GARP packet is sent
atf_check -s exit:0 -o match:"$pkt" cat ./out
else
# No GARP packet is sent
atf_check -s exit:0 -o not-match:"$pkt" cat ./out
fi
rump_server_destroy_ifaces
}
arp_garp_body()
{
test_garp_common false
}
arp_garp_without_dad_body()
{
test_garp_common true
}
arp_cache_overwriting_body()
{
local bonus=2
@ -583,6 +646,13 @@ arp_garp_cleanup()
cleanup
}
arp_garp_without_dad_cleanup()
{
$DEBUG && dump
cleanup
}
arp_cache_overwriting_cleanup()
{
$DEBUG && dump
@ -879,6 +949,7 @@ atf_init_test_cases()
atf_add_test_case arp_cache_expiration_10s
atf_add_test_case arp_command
atf_add_test_case arp_garp
atf_add_test_case arp_garp_without_dad
atf_add_test_case arp_cache_overwriting
atf_add_test_case arp_proxy_arp_pub
atf_add_test_case arp_proxy_arp_pubproxy