git: a1d23e697345 - stable/12 - dummynet tests: pipe test for IPv6

[Kristof Provost]

The branch stable/12 has been updated by kp:

URL: https://cgit.FreeBSD.org/src/commit/?id=a1d23e697345695c4b316c49453142e216c54421

commit a1d23e697345695c4b316c49453142e216c54421
Author:     Kristof Provost <kp at FreeBSD.org>
AuthorDate: 2021-06-14 19:24:59 +0000
Commit:     Kristof Provost <kp at FreeBSD.org>
CommitDate: 2021-09-14 08:33:13 +0000

    dummynet tests: pipe test for IPv6
    
    MFC after:      2 weeks
    Sponsored by:   Rubicon Communications, LLC ("Netgate")
    Differential Revision:  https://reviews.freebsd.org/D31787
    
    (cherry picked from commit 5fda5913e16afac72f3f420e227803e33d4c1542)
---
 tests/sys/netpfil/common/dummynet.sh | 44 ++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/tests/sys/netpfil/common/dummynet.sh b/tests/sys/netpfil/common/dummynet.sh
index 82cd22b77fef..42fbd83f297e 100644
--- a/tests/sys/netpfil/common/dummynet.sh
+++ b/tests/sys/netpfil/common/dummynet.sh
@@ -70,6 +70,50 @@ pipe_cleanup()
 	firewall_cleanup $1
 }
 
+pipe_v6_head()
+{
+	atf_set descr 'Basic IPv6 pipe test'
+	atf_set require.user root
+}
+
+pipe_v6_body()
+{
+	fw=$1
+	firewall_init $fw
+	dummynet_init $fw
+
+	epair=$(vnet_mkepair)
+	vnet_mkjail alcatraz ${epair}b
+
+	ifconfig ${epair}a inet6 2001:db8:42::1/64 up no_dad
+	jexec alcatraz ifconfig ${epair}b inet6 2001:db8:42::2/64 up no_dad
+
+	# Sanity check
+	atf_check -s exit:0 -o ignore ping6 -i .1 -c 3 -s 1200 2001:db8:42::2
+
+	jexec alcatraz dnctl pipe 1 config bw 100Byte/s
+
+	firewall_config alcatraz ${fw} \
+		"ipfw"	\
+			"ipfw add 1000 pipe 1 ip6 from any to any"
+
+	# Single ping succeeds
+	atf_check -s exit:0 -o ignore ping6 -c 1 2001:db8:42::2
+
+	# Saturate the link
+	ping6 -i .1 -c 5 -s 1200 2001:db8:42::2
+
+	# We should now be hitting the limit and get this packet dropped.
+	atf_check -s exit:2 -o ignore ping6 -c 1 -s 1200 2001:db8:42::2
+}
+
+pipe_v6_cleanup()
+{
+	firewall_cleanup $1
+}
+
 setup_tests		\
 	pipe		\
+		ipfw	\
+	pipe_v6		\
 		ipfw