Commit f67e9ae7 authored by Petr Machata's avatar Petr Machata Committed by Jakub Kicinski
Browse files

selftests: bridge_fdb_local_vlan_0: Test FDB vs. NET_ADDR_SET behavior 



The previous patch fixed an issue whereby no FDB entry would be created for
the bridge itself on VLAN 0 under some circumstances. This could break
forwarding. Add a test for the fix.

Signed-off-by: default avatarPetr Machata <petrm@nvidia.com>
Acked-by: default avatarNikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/137cc25396f5a4f407267af895a14bc45552ba5f.1758550408.git.petrm@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent cd9a9562

tools/testing/selftests/net/forwarding/bridge_fdb_local_vlan_0.sh

+24 −4
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ ALL_TESTS=" 
	test_d_sharing

	test_q_no_sharing

	test_q_sharing

	test_addr_set

"



NUM_NETIFS=6
@@ -110,13 +111,10 @@ setup_prepare() 
	switch_create

}



adf_bridge_create()

adf_bridge_configure()

{

	local dev

	local mac



	ip_link_add br up type bridge vlan_default_pvid 0 "$@"

	mac=$(mac_get br)

	ip_addr_add br 192.0.2.3/28

	ip_addr_add br 2001:db8:1::3/64
@@ -130,7 +128,15 @@ adf_bridge_create() 
		bridge_vlan_add dev "$dev" vid 2

		bridge_vlan_add dev "$dev" vid 3

	done

}



adf_bridge_create()

{

	local mac



	ip_link_add br up type bridge vlan_default_pvid 0 "$@"

	mac=$(mac_get br)

	adf_bridge_configure

	ip_link_set_addr br "$mac"

}
@@ -367,6 +373,20 @@ test_q_sharing() 
	do_test_sharing 1

}



adf_addr_set_bridge_create()

{

	ip_link_add br up type bridge vlan_filtering 0

	ip_link_set_addr br "$(mac_get br)"

	adf_bridge_configure

}



test_addr_set()

{

	adf_addr_set_bridge_create

	setup_wait



	do_end_to_end_test "$(mac_get br)" "NET_ADDR_SET: end to end, br MAC"

}



trap cleanup EXIT