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selftests: mlxsw: Test FID RIF MAC vetoing 

When a FID RIF is created for a bridge with IP address, its MAC address
must obey the same requirements as other RIFs. Test that attempts to
change the address incompatibly by attaching a device are vetoed with
extack.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata 2018-12-13 11:54:56 +00:00 committed by David S. Miller
parent 555afaae12
commit 9651ee10ce
1 changed files with 79 additions and 0 deletions
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79
tools/testing/selftests/drivers/net/mlxsw/rtnetlink.sh
View File

@ -11,6 +11,8 @@ lib_dir=$(dirname $0)/../../../net/forwarding
ALL_TESTS="
rif_set_addr_test
rif_inherit_bridge_addr_test
rif_non_inherit_bridge_addr_test
"
NUM_NETIFS=2
source $lib_dir/lib.sh
@ -81,6 +83,83 @@ rif_set_addr_test()
ip link set dev $swp1 addr $swp1_mac
}
rif_inherit_bridge_addr_test()
{
RET=0
# Create first RIF
ip addr add dev $swp1 192.0.2.1/28
check_err $?
# Create a FID RIF
ip link add name br1 up type bridge vlan_filtering 0
ip link set dev $swp2 master br1
ip addr add dev br1 192.0.2.17/28
check_err $?
# Prepare a device with a low MAC address
ip link add name d up type dummy
ip link set dev d addr 00:11:22:33:44:55
# Attach the device to br1. That prompts bridge address change, which
# should be vetoed, thus preventing the attachment.
ip link set dev d master br1 &>/dev/null
check_fail $? "Device with low MAC was permitted to attach a bridge with RIF"
ip link set dev d master br1 2>&1 >/dev/null \
| grep -q mlxsw_spectrum
check_err $? "no extack for bridge attach rejection"
ip link set dev $swp2 addr 00:11:22:33:44:55 &>/dev/null
check_fail $? "Changing swp2's MAC address permitted"
ip link set dev $swp2 addr 00:11:22:33:44:55 2>&1 >/dev/null \
| grep -q mlxsw_spectrum
check_err $? "no extack for bridge port MAC address change rejection"
log_test "RIF - attach port with bad MAC to bridge"
ip link del dev d
ip link del dev br1
ip addr del dev $swp1 192.0.2.1/28
}
rif_non_inherit_bridge_addr_test()
{
local swp2_mac=$(mac_get $swp2)
RET=0
# Create first RIF
ip addr add dev $swp1 192.0.2.1/28
check_err $?
# Create a FID RIF
ip link add name br1 up type bridge vlan_filtering 0
ip link set dev br1 addr $swp2_mac
ip link set dev $swp2 master br1
ip addr add dev br1 192.0.2.17/28
check_err $?
# Prepare a device with a low MAC address
ip link add name d up type dummy
ip link set dev d addr 00:11:22:33:44:55
# Attach the device to br1. Since the bridge address was set, it should
# work.
ip link set dev d master br1 &>/dev/null
check_err $? "Could not attach a device with low MAC to a bridge with RIF"
# Port MAC address change should be allowed for a bridge with set MAC.
ip link set dev $swp2 addr 00:11:22:33:44:55
check_err $? "Changing swp2's MAC address not permitted"
log_test "RIF - attach port with bad MAC to bridge with set MAC"
ip link set dev $swp2 addr $swp2_mac
ip link del dev d
ip link del dev br1
ip addr del dev $swp1 192.0.2.1/28
}
trap cleanup EXIT
setup_prepare