Commit Graph
489 Commits
Author SHA1 Message Date
Kacper LudwinskiandGreg Kroah-Hartman 597ea17d84 selftests: net: no_forwarding: fix VID for $swp2 in one_bridge_two_pvids() test
[ Upstream commit 9f49d14ec4 ]

Currently, the second bridge command overwrites the first one.
Fix this by adding this VID to the interface behind $swp2.

The one_bridge_two_pvids() test intends to check that there is no
leakage of traffic between bridge ports which have a single VLAN - the
PVID VLAN.

Because of a typo, port $swp1 is configured with a PVID twice (second
command overwrites first), and $swp2 isn't configured at all (and since
the bridge vlan_default_pvid property is set to 0, this port will not
have a PVID at all, so it will drop all untagged and priority-tagged
traffic).

So, instead of testing the configuration that was intended, we are
testing a different one, where one port has PVID 2 and the other has
no PVID. This incorrect version of the test should also pass, but is
ineffective for its purpose, so fix the typo.

This typo has an impact on results of the test,
potentially leading to wrong conclusions regarding
the functionality of a network device.

The tests results:

TEST: Switch ports in VLAN-aware bridge with different PVIDs:
	Unicast non-IP untagged   [ OK ]
	Multicast non-IP untagged   [ OK ]
	Broadcast non-IP untagged   [ OK ]
	Unicast IPv4 untagged   [ OK ]
	Multicast IPv4 untagged   [ OK ]
	Unicast IPv6 untagged   [ OK ]
	Multicast IPv6 untagged   [ OK ]
	Unicast non-IP VID 1   [ OK ]
	Multicast non-IP VID 1   [ OK ]
	Broadcast non-IP VID 1   [ OK ]
	Unicast IPv4 VID 1   [ OK ]
	Multicast IPv4 VID 1   [ OK ]
	Unicast IPv6 VID 1   [ OK ]
	Multicast IPv6 VID 1   [ OK ]
	Unicast non-IP VID 4094   [ OK ]
	Multicast non-IP VID 4094   [ OK ]
	Broadcast non-IP VID 4094   [ OK ]
	Unicast IPv4 VID 4094   [ OK ]
	Multicast IPv4 VID 4094   [ OK ]
	Unicast IPv6 VID 4094   [ OK ]
	Multicast IPv6 VID 4094   [ OK ]

Fixes: 476a4f05d9 ("selftests: forwarding: add a no_forwarding.sh test")
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Kacper Ludwinski <kac.ludwinski@icloud.com>
Link: https://patch.msgid.link/20241002051016.849-1-kac.ludwinski@icloud.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-10-17 15:24:24 +02:00
Petr MachataandGreg Kroah-Hartman 7aa9f978c2 selftests: forwarding: local_termination: Down ports on cleanup
[ Upstream commit 65a3cce43d ]

This test neglects to put ports down on cleanup. Fix it.

Fixes: 90b9566aa5 ("selftests: forwarding: add a test for local_termination.sh")
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/bf9b79f45de378f88344d44550f0a5052b386199.1724692132.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-09-04 13:28:27 +02:00
Petr MachataandGreg Kroah-Hartman 7e7d0bd538 selftests: forwarding: no_forwarding: Down ports on cleanup
[ Upstream commit e8497d6951 ]

This test neglects to put ports down on cleanup. Fix it.

Fixes: 476a4f05d9 ("selftests: forwarding: add a no_forwarding.sh test")
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/0baf91dc24b95ae0cadfdf5db05b74888e6a228a.1724430120.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-09-04 13:28:26 +02:00
Amit CohenandGreg Kroah-Hartman 7c1118588a selftests: forwarding: devlink_lib: Wait for udev events after reloading
[ Upstream commit f67a90a0c8 ]

Lately, an additional locking was added by commit c0a40097f0
("drivers: core: synchronize really_probe() and dev_uevent()"). The
locking protects dev_uevent() calling. This function is used to send
messages from the kernel to user space. Uevent messages notify user space
about changes in device states, such as when a device is added, removed,
or changed. These messages are used by udev (or other similar user-space
tools) to apply device-specific rules.

After reloading devlink instance, udev events should be processed. This
locking causes a short delay of udev events handling.

One example for useful udev rule is renaming ports. 'forwading.config'
can be configured to use names after udev rules are applied. Some tests run
devlink_reload() and immediately use the updated names. This worked before
the above mentioned commit was pushed, but now the delay of uevent messages
causes that devlink_reload() returns before udev events are handled and
tests fail.

Adjust devlink_reload() to not assume that udev events are already
processed when devlink reload is done, instead, wait for udev events to
ensure they are processed before returning from the function.

Without this patch:
TESTS='rif_mac_profile' ./resource_scale.sh
TEST: 'rif_mac_profile' 4                                           [ OK ]
sysctl: cannot stat /proc/sys/net/ipv6/conf/swp1/disable_ipv6: No such file or directory
sysctl: cannot stat /proc/sys/net/ipv6/conf/swp1/disable_ipv6: No such file or directory
sysctl: cannot stat /proc/sys/net/ipv6/conf/swp2/disable_ipv6: No such file or directory
sysctl: cannot stat /proc/sys/net/ipv6/conf/swp2/disable_ipv6: No such file or directory
Cannot find device "swp1"
Cannot find device "swp2"
TEST: setup_wait_dev (: Interface swp1 does not come up.) [FAIL]

With this patch:
$ TESTS='rif_mac_profile' ./resource_scale.sh
TEST: 'rif_mac_profile' 4                                           [ OK ]
TEST: 'rif_mac_profile' overflow 5                                  [ OK ]

This is relevant not only for this test.

Fixes: bc7cbb1e9f ("selftests: forwarding: Add devlink_lib.sh")
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/89367666e04b38a8993027f1526801ca327ab96a.1720709333.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-08-03 08:53:44 +02:00
Benjamin PoirierandGreg Kroah-Hartman bb2f3187e3 selftests: forwarding: Avoid failures to source net/lib.sh
commit 2114e83381 upstream.

The expression "source ../lib.sh" added to net/forwarding/lib.sh in commit
25ae948b44 ("selftests/net: add lib.sh") does not work for tests outside
net/forwarding which source net/forwarding/lib.sh (1). It also does not
work in some cases where only a subset of tests are exported (2).

Avoid the problems mentioned above by replacing the faulty expression with
a copy of the content from net/lib.sh which is used by files under
net/forwarding.

A more thorough solution which avoids duplicating content between
net/lib.sh and net/forwarding/lib.sh has been posted here:
https://lore.kernel.org/netdev/20231222135836.992841-1-bpoirier@nvidia.com/

The approach in the current patch is a stopgap solution to avoid submitting
large changes at the eleventh hour of this development cycle.

Example of problem 1)

tools/testing/selftests/drivers/net/bonding$ ./dev_addr_lists.sh
./net_forwarding_lib.sh: line 41: ../lib.sh: No such file or directory
TEST: bonding cleanup mode active-backup                            [ OK ]
TEST: bonding cleanup mode 802.3ad                                  [ OK ]
TEST: bonding LACPDU multicast address to slave (from bond down)    [ OK ]
TEST: bonding LACPDU multicast address to slave (from bond up)      [ OK ]

An error message is printed but since the test does not use functions from
net/lib.sh, the test results are not affected.

Example of problem 2)

tools/testing/selftests$ make install TARGETS="net/forwarding"
tools/testing/selftests$ cd kselftest_install/net/forwarding/
tools/testing/selftests/kselftest_install/net/forwarding$ ./pedit_ip.sh veth{0..3}
lib.sh: line 41: ../lib.sh: No such file or directory
TEST: ping                                                          [ OK ]
TEST: ping6                                                         [ OK ]
./pedit_ip.sh: line 135: busywait: command not found
TEST: dev veth1 ingress pedit ip src set 198.51.100.1               [FAIL]
        Expected to get 10 packets, but got .
./pedit_ip.sh: line 135: busywait: command not found
TEST: dev veth2 egress pedit ip src set 198.51.100.1                [FAIL]
        Expected to get 10 packets, but got .
./pedit_ip.sh: line 135: busywait: command not found
TEST: dev veth1 ingress pedit ip dst set 198.51.100.1               [FAIL]
        Expected to get 10 packets, but got .
./pedit_ip.sh: line 135: busywait: command not found
TEST: dev veth2 egress pedit ip dst set 198.51.100.1                [FAIL]
        Expected to get 10 packets, but got .
./pedit_ip.sh: line 135: busywait: command not found
TEST: dev veth1 ingress pedit ip6 src set 2001:db8:2::1             [FAIL]
        Expected to get 10 packets, but got .
./pedit_ip.sh: line 135: busywait: command not found
TEST: dev veth2 egress pedit ip6 src set 2001:db8:2::1              [FAIL]
        Expected to get 10 packets, but got .
./pedit_ip.sh: line 135: busywait: command not found
TEST: dev veth1 ingress pedit ip6 dst set 2001:db8:2::1             [FAIL]
        Expected to get 10 packets, but got .
./pedit_ip.sh: line 135: busywait: command not found
TEST: dev veth2 egress pedit ip6 dst set 2001:db8:2::1              [FAIL]
        Expected to get 10 packets, but got .

In this case, the test results are affected.

Fixes: 25ae948b44 ("selftests/net: add lib.sh")
Suggested-by: Ido Schimmel <idosch@nvidia.com>
Suggested-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Benjamin Poirier <bpoirier@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Link: https://lore.kernel.org/r/20240104141109.100672-1-bpoirier@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-06-21 14:38:47 +02:00
Hangbin LiuandGreg Kroah-Hartman 04f7b9b4d7 selftests/net: add lib.sh
commit 25ae948b44 upstream.

Add a lib.sh for net selftests. This file can be used to define commonly
used variables and functions. Some commonly used functions can be moved
from forwarding/lib.sh to this lib file. e.g. busywait().

Add function setup_ns() for user to create unique namespaces with given
prefix name.

Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
[PHLin: add lib.sh to TEST_FILES directly as we already have upstream
        commit 06efafd8 landed in 6.6.y]
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2024-06-21 14:38:47 +02:00
Nikolay AleksandrovandGreg Kroah-Hartman 76282afa17 selftests: net: bridge: increase IGMP/MLD exclude timeout membership interval
[ Upstream commit 06080ea230 ]

When running the bridge IGMP/MLD selftests on debug kernels we can get
spurious errors when setting up the IGMP/MLD exclude timeout tests
because the membership interval is just 3 seconds and the setup has 2
seconds of sleep plus various validations, the one second that is left
is not enough. Increase the membership interval from 3 to 5 seconds to
make room for the setup validation and 2 seconds of sleep.

Fixes: 34d7ecb3d4 ("selftests: net: bridge: update IGMP/MLD membership interval value")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-06-12 11:12:12 +02:00
Ido SchimmelandSasha Levin b6dfcdbc80 selftests: forwarding: Fix ping failure due to short timeout
[ Upstream commit e4137851d4 ]

The tests send 100 pings in 0.1 second intervals and force a timeout of
11 seconds, which is borderline (especially on debug kernels), resulting
in random failures in netdev CI [1].

Fix by increasing the timeout to 20 seconds. It should not prolong the
test unless something is wrong, in which case the test will rightfully
fail.

[1]
 # selftests: net/forwarding: vxlan_bridge_1d_port_8472_ipv6.sh
 # INFO: Running tests with UDP port 8472
 # TEST: ping: local->local                                            [ OK ]
 # TEST: ping: local->remote 1                                         [FAIL]
 # Ping failed
 [...]

Fixes: b07e9957f2 ("selftests: forwarding: Add VxLAN tests with a VLAN-unaware bridge for IPv6")
Fixes: 728b35259e ("selftests: forwarding: Add VxLAN tests with a VLAN-aware bridge for IPv6")
Reported-by: Paolo Abeni <pabeni@redhat.com>
Closes: https://lore.kernel.org/netdev/24a7051fdcd1f156c3704bca39e4b3c41dfc7c4b.camel@redhat.com/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240320065717.4145325-1-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-26 18:20:13 -04:00
Ido SchimmelandSasha Levin 5ebcdbcb9e selftests: forwarding: Add missing multicast routing config entries
[ Upstream commit f0ddf15f0a ]

The two tests that make use of multicast routig (router.sh and
router_multicast.sh) are currently failing in the netdev CI because the
kernel is missing multicast routing support.

Fix by adding the required config entries.

Fixes: 6d4efada3b ("selftests: forwarding: Add multicast routing test")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240208165538.1303021-1-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-26 18:19:28 -04:00
Petr MachataandSasha Levin 7cb8a8ee49 selftests: forwarding: Add missing config entries
[ Upstream commit 4acf4e62cd ]

The config file contains a partial kernel configuration to be used by
`virtme-configkernel --custom'. The presumption is that the config file
contains all Kconfig options needed by the selftests from the directory.

In net/forwarding/config, many are missing, which manifests as spurious
failures when running the selftests, with messages about unknown device
types, qdisc kinds or classifier actions. Add the missing configurations.

Tested the resulting configuration using virtme-ng as follows:

 # vng -b -f tools/testing/selftests/net/forwarding/config
 # vng --user root
 (within the VM:)
 # make -C tools/testing/selftests TARGETS=net/forwarding run_tests

Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/025abded7ff9cea5874a7fe35dcd3fd41bf5e6ac.1706286755.git.petrm@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Stable-dep-of: f0ddf15f0a ("selftests: forwarding: Add missing multicast routing config entries")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-26 18:19:28 -04:00
Jakub KicinskiandGreg Kroah-Hartman 7c787888d1 net/sched: act_mirred: use the backlog for mirred ingress
[ Upstream commit 52f671db18 ]

The test Davide added in commit ca22da2fbd ("act_mirred: use the backlog
for nested calls to mirred ingress") hangs our testing VMs every 10 or so
runs, with the familiar tcp_v4_rcv -> tcp_v4_rcv deadlock reported by
lockdep.

The problem as previously described by Davide (see Link) is that
if we reverse flow of traffic with the redirect (egress -> ingress)
we may reach the same socket which generated the packet. And we may
still be holding its socket lock. The common solution to such deadlocks
is to put the packet in the Rx backlog, rather than run the Rx path
inline. Do that for all egress -> ingress reversals, not just once
we started to nest mirred calls.

In the past there was a concern that the backlog indirection will
lead to loss of error reporting / less accurate stats. But the current
workaround does not seem to address the issue.

Fixes: 53592b3640 ("net/sched: act_mirred: Implement ingress actions")
Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Suggested-by: Davide Caratti <dcaratti@redhat.com>
Link: https://lore.kernel.org/netdev/33dc43f587ec1388ba456b4915c75f02a8aae226.1663945716.git.dcaratti@redhat.com/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-03-01 13:35:06 +01:00
Ido SchimmelandGreg Kroah-Hartman 65095912b0 selftests: forwarding: Fix bridge locked port test flakiness
[ Upstream commit f97f1fcc96 ]

The redirection test case fails in the netdev CI on debug kernels
because an FDB entry is learned despite the presence of a tc filter that
redirects incoming traffic [1].

I am unable to reproduce the failure locally, but I can see how it can
happen given that learning is first enabled and only then the ingress tc
filter is configured. On debug kernels the time window between these two
operations is longer compared to regular kernels, allowing random
packets to be transmitted and trigger learning.

Fix by reversing the order and configure the ingress tc filter before
enabling learning.

[1]
[...]
 # TEST: Locked port MAB redirect                                      [FAIL]
 # Locked entry created for redirected traffic

Fixes: 38c43a1ce7 ("selftests: forwarding: Add test case for traffic redirection from a locked port")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20240208155529.1199729-5-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-02-23 09:24:51 +01:00
Ido SchimmelandGreg Kroah-Hartman d8893ac849 selftests: forwarding: Suppress grep warnings
[ Upstream commit dd6b345894 ]

Suppress the following grep warnings:

[...]
INFO: # Port group entries configuration tests - (*, G)
TEST: Common port group entries configuration tests (IPv4 (*, G))   [ OK ]
TEST: Common port group entries configuration tests (IPv6 (*, G))   [ OK ]
grep: warning: stray \ before /
grep: warning: stray \ before /
grep: warning: stray \ before /
TEST: IPv4 (*, G) port group entries configuration tests            [ OK ]
grep: warning: stray \ before /
grep: warning: stray \ before /
grep: warning: stray \ before /
TEST: IPv6 (*, G) port group entries configuration tests            [ OK ]
[...]

They do not fail the test, but do clutter the output.

Fixes: b6d00da086 ("selftests: forwarding: Add bridge MDB test")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20240208155529.1199729-4-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-02-23 09:24:51 +01:00
Ido SchimmelandGreg Kroah-Hartman 925fd1a0fb selftests: bridge_mdb: Use MDB get instead of dump
[ Upstream commit e8bba9e83c ]

Test the new MDB get functionality by converting dump and grep to MDB
get.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: dd6b345894 ("selftests: forwarding: Suppress grep warnings")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-02-23 09:24:51 +01:00
Ido SchimmelandGreg Kroah-Hartman c3e0cfe7d7 selftests: forwarding: Fix bridge MDB test flakiness
[ Upstream commit 7399e2ce4d ]

After enabling a multicast querier on the bridge (like the test is
doing), the bridge will wait for the Max Response Delay before starting
to forward according to its MDB in order to let Membership Reports
enough time to be received and processed.

Currently, the test is waiting for exactly the default Max Response
Delay (10 seconds) which is racy and leads to failures [1].

Fix by reducing the Max Response Delay to 1 second.

[1]
 [...]
 # TEST: IPv4 host entries forwarding tests                            [FAIL]
 # Packet locally received after flood

Fixes: b6d00da086 ("selftests: forwarding: Add bridge MDB test")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20240208155529.1199729-3-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-02-23 09:24:51 +01:00
Ido SchimmelandGreg Kroah-Hartman 2fc52eb636 selftests: forwarding: Fix layer 2 miss test flakiness
[ Upstream commit 93590849a0 ]

After enabling a multicast querier on the bridge (like the test is
doing), the bridge will wait for the Max Response Delay before starting
to forward according to its MDB in order to let Membership Reports
enough time to be received and processed.

Currently, the test is waiting for exactly the default Max Response
Delay (10 seconds) which is racy and leads to failures [1].

Fix by reducing the Max Response Delay to 1 second.

[1]
 [...]
 # TEST: L2 miss - Multicast (IPv4)                                    [FAIL]
 # Unregistered multicast filter was hit after adding MDB entry

Fixes: 8c33266ae2 ("selftests: forwarding: Add layer 2 miss test cases")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20240208155529.1199729-2-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-02-23 09:24:51 +01:00
Jakub Kicinski 7ff57803d2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.

Conflicts:

drivers/net/ethernet/sfc/tc.c
  fa165e1949 ("sfc: don't unregister flow_indr if it was never registered")
  3bf969e88a ("sfc: add MAE table machinery for conntrack table")
https://lore.kernel.org/all/20230818112159.7430e9b4@canb.auug.org.au/

No adjacent changes.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-18 12:44:56 -07:00
Petr MachataandDavid S. Miller 855067defa selftests: mirror_gre_changes: Tighten up the TTL test match
This test verifies whether the encapsulated packets have the correct
configured TTL. It does so by sending ICMP packets through the test
topology and mirroring them to a gretap netdevice. On a busy host
however, more than just the test ICMP packets may end up flowing
through the topology, get mirrored, and counted. This leads to
potential spurious failures as the test observes much more mirrored
packets than the sent test packets, and assumes a bug.

Fix this by tightening up the mirror action match. Change it from
matchall to a flower classifier matching on ICMP packets specifically.

Fixes: 45315673e0 ("selftests: forwarding: Test changes in mirror-to-gretap")
Signed-off-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-14 11:14:24 +01:00
Ido SchimmelandDavid S. Miller 38c43a1ce7 selftests: forwarding: Add test case for traffic redirection from a locked port
Check that traffic can be redirected from a locked bridge port and that
it does not create locked FDB entries.

Cc: Hans J. Schultz <netdev@kapio-technology.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-14 08:11:14 +01:00
Jakub Kicinski 4d016ae42e Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.

No conflicts.

Adjacent changes:

drivers/net/ethernet/intel/igc/igc_main.c
  06b412589e ("igc: Add lock to safeguard global Qbv variables")
  d3750076d4 ("igc: Add TransmissionOverrun counter")

drivers/net/ethernet/microsoft/mana/mana_en.c
  a7dfeda6fd ("net: mana: Fix MANA VF unload when hardware is unresponsive")
  a9ca9f9cef ("page_pool: split types and declarations from page_pool.h")
  92272ec410 ("eth: add missing xdp.h includes in drivers")

net/mptcp/protocol.h
  511b90e392 ("mptcp: fix disconnect vs accept race")
  b8dc6d6ce9 ("mptcp: fix rcv buffer auto-tuning")

tools/testing/selftests/net/mptcp/mptcp_join.sh
  c8c101ae39 ("selftests: mptcp: join: fix 'implicit EP' test")
  03668c65d1 ("selftests: mptcp: join: rework detailed report")

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-10 14:10:53 -07:00
Ido SchimmelandJakub Kicinski 8b5ff37097 selftests: forwarding: bridge_mdb: Make test more robust
Some test cases check that the group timer is (or isn't) 0. Instead of
grepping for "0.00" grep for " 0.00" as the former can also match
"260.00" which is the default group membership interval.

Fixes: b6d00da086 ("selftests: forwarding: Add bridge MDB test")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-18-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:36 -07:00
Ido SchimmelandJakub Kicinski cb034948ac selftests: forwarding: bridge_mdb_max: Fix failing test with old libnet
As explained in commit 8bcfb4ae4d ("selftests: forwarding: Fix failing
tests with old libnet"), old versions of libnet (used by mausezahn) do
not use the "SO_BINDTODEVICE" socket option. For IP unicast packets,
this can be solved by prefixing mausezahn invocations with "ip vrf
exec". However, IP multicast packets do not perform routing and simply
egress the bound device, which does not exist in this case.

Fix by specifying the source and destination MAC of the packet which
will cause mausezahn to use a packet socket instead of an IP socket.

Fixes: 3446dcd7df ("selftests: forwarding: bridge_mdb_max: Add a new selftest")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-17-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:36 -07:00
Ido SchimmelandJakub Kicinski e98e195d90 selftests: forwarding: bridge_mdb: Fix failing test with old libnet
As explained in commit 8bcfb4ae4d ("selftests: forwarding: Fix failing
tests with old libnet"), old versions of libnet (used by mausezahn) do
not use the "SO_BINDTODEVICE" socket option. For IP unicast packets,
this can be solved by prefixing mausezahn invocations with "ip vrf
exec". However, IP multicast packets do not perform routing and simply
egress the bound device, which does not exist in this case.

Fix by specifying the source and destination MAC of the packet which
will cause mausezahn to use a packet socket instead of an IP socket.

Fixes: b6d00da086 ("selftests: forwarding: Add bridge MDB test")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-16-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:36 -07:00
Ido SchimmelandJakub Kicinski 21a72166ab selftests: forwarding: tc_flower_l2_miss: Fix failing test with old libnet
As explained in commit 8bcfb4ae4d ("selftests: forwarding: Fix failing
tests with old libnet"), old versions of libnet (used by mausezahn) do
not use the "SO_BINDTODEVICE" socket option. For IP unicast packets,
this can be solved by prefixing mausezahn invocations with "ip vrf
exec". However, IP multicast packets do not perform routing and simply
egress the bound device, which does not exist in this case.

Fix by specifying the source and destination MAC of the packet which
will cause mausezahn to use a packet socket instead of an IP socket.

Fixes: 8c33266ae2 ("selftests: forwarding: Add layer 2 miss test cases")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-15-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:36 -07:00
Ido SchimmelandJakub Kicinski 11604178fd selftests: forwarding: tc_tunnel_key: Make filters more specific
The test installs filters that match on various IP fragments (e.g., no
fragment, first fragment) and expects a certain amount of packets to hit
each filter. This is problematic as the filters are not specific enough
and can match IP packets (e.g., IGMP) generated by the stack, resulting
in failures [1].

Fix by making the filters more specific and match on more fields in the
IP header: Source IP, destination IP and protocol.

[1]
 # timeout set to 0
 # selftests: net/forwarding: tc_tunnel_key.sh
 # TEST: tunnel_key nofrag (skip_hw)                                   [FAIL]
 #       packet smaller than MTU was not tunneled
 # INFO: Could not test offloaded functionality
 not ok 89 selftests: net/forwarding: tc_tunnel_key.sh # exit=1

Fixes: 533a89b194 ("selftests: forwarding: add tunnel_key "nofrag" test case")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Acked-by: Davide Caratti <dcaratti@redhat.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-14-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:35 -07:00
Ido SchimmelandJakub Kicinski 9ee37e53e7 selftests: forwarding: tc_flower: Relax success criterion
The test checks that filters that match on source or destination MAC
were only hit once. A host can send more than one packet with a given
source or destination MAC, resulting in failures.

Fix by relaxing the success criterion and instead check that the filters
were not hit zero times. Using tc_check_at_least_x_packets() is also an
option, but it is not available in older kernels.

Fixes: 07e5c75184 ("selftests: forwarding: Introduce tc flower matching tests")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-13-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:35 -07:00
Ido SchimmelandJakub Kicinski 5e8670610b selftests: forwarding: tc_actions: Use ncat instead of nc
The test relies on 'nc' being the netcat version from the nmap project.
While this seems to be the case on Fedora, it is not the case on Ubuntu,
resulting in failures such as [1].

Fix by explicitly using the 'ncat' utility from the nmap project and the
skip the test in case it is not installed.

[1]
 # timeout set to 0
 # selftests: net/forwarding: tc_actions.sh
 # TEST: gact drop and ok (skip_hw)                                    [ OK ]
 # TEST: mirred egress flower redirect (skip_hw)                       [ OK ]
 # TEST: mirred egress flower mirror (skip_hw)                         [ OK ]
 # TEST: mirred egress matchall mirror (skip_hw)                       [ OK ]
 # TEST: mirred_egress_to_ingress (skip_hw)                            [ OK ]
 # nc: invalid option -- '-'
 # usage: nc [-46CDdFhklNnrStUuvZz] [-I length] [-i interval] [-M ttl]
 #         [-m minttl] [-O length] [-P proxy_username] [-p source_port]
 #         [-q seconds] [-s sourceaddr] [-T keyword] [-V rtable] [-W recvlimit]
 #         [-w timeout] [-X proxy_protocol] [-x proxy_address[:port]]
 #         [destination] [port]
 # nc: invalid option -- '-'
 # usage: nc [-46CDdFhklNnrStUuvZz] [-I length] [-i interval] [-M ttl]
 #         [-m minttl] [-O length] [-P proxy_username] [-p source_port]
 #         [-q seconds] [-s sourceaddr] [-T keyword] [-V rtable] [-W recvlimit]
 #         [-w timeout] [-X proxy_protocol] [-x proxy_address[:port]]
 #         [destination] [port]
 # TEST: mirred_egress_to_ingress_tcp (skip_hw)                        [FAIL]
 #       server output check failed
 # INFO: Could not test offloaded functionality
 not ok 80 selftests: net/forwarding: tc_actions.sh # exit=1

Fixes: ca22da2fbd ("act_mirred: use the backlog for nested calls to mirred ingress")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-12-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:35 -07:00
Ido SchimmelandJakub Kicinski 23fb886a1c selftests: forwarding: ethtool_mm: Skip when MAC Merge is not supported
MAC Merge cannot be tested with veth pairs, resulting in failures:

 # ./ethtool_mm.sh
 [...]
 TEST: Manual configuration with verification: swp1 to swp2          [FAIL]
         Verification did not succeed

Fix by skipping the test when the interfaces do not support MAC Merge.

Fixes: e6991384ac ("selftests: forwarding: add a test for MAC Merge layer")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-11-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:35 -07:00
Ido SchimmelandJakub Kicinski 9a711cde07 selftests: forwarding: hw_stats_l3_gre: Skip when using veth pairs
Layer 3 hardware stats cannot be used when the underlying interfaces are
veth pairs, resulting in failures:

 # ./hw_stats_l3_gre.sh
 TEST: ping gre flat                                                 [ OK ]
 TEST: Test rx packets:                                              [FAIL]
         Traffic not reflected in the counter: 0 -> 0
 TEST: Test tx packets:                                              [FAIL]
         Traffic not reflected in the counter: 0 -> 0

Fix by skipping the test when used with veth pairs.

Fixes: 813f97a268 ("selftests: forwarding: Add a tunnel-based test for L3 HW stats")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-10-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:35 -07:00
Ido SchimmelandJakub Kicinski b3d9305e60 selftests: forwarding: ethtool_extended_state: Skip when using veth pairs
Ethtool extended state cannot be tested with veth pairs, resulting in
failures:

 # ./ethtool_extended_state.sh
 TEST: Autoneg, No partner detected                                  [FAIL]
         Expected "Autoneg", got "Link detected: no"
 [...]

Fix by skipping the test when used with veth pairs.

Fixes: 7d10bcce98 ("selftests: forwarding: Add tests for ethtool extended state")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-9-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:35 -07:00
Ido SchimmelandJakub Kicinski 60a36e2191 selftests: forwarding: ethtool: Skip when using veth pairs
Auto-negotiation cannot be tested with veth pairs, resulting in
failures:

 # ./ethtool.sh
 TEST: force of same speed autoneg off                               [FAIL]
         error in configuration. swp1 speed Not autoneg off
 [...]

Fix by skipping the test when used with veth pairs.

Fixes: 64916b57c0 ("selftests: forwarding: Add speed and auto-negotiation test")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-8-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:35 -07:00
Ido SchimmelandJakub Kicinski 66e131861a selftests: forwarding: Add a helper to skip test when using veth pairs
A handful of tests require physical loopbacks to be used instead of veth
pairs. Add a helper that these tests will invoke in order to be skipped
when executed with veth pairs.

Fixes: 64916b57c0 ("selftests: forwarding: Add speed and auto-negotiation test")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-7-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:35 -07:00
Ido SchimmelandJakub Kicinski 38f7c44d6e selftests: forwarding: Set default IPv6 traceroute utility
The test uses the 'TROUTE6' environment variable to encode the name of
the IPv6 traceroute utility. By default (without a configuration file),
this variable is not set, resulting in failures:

 # ./ip6_forward_instats_vrf.sh
 TEST: ping6                                                         [ OK ]
 TEST: Ip6InTooBigErrors                                             [ OK ]
 TEST: Ip6InHdrErrors                                                [FAIL]
 TEST: Ip6InAddrErrors                                               [ OK ]
 TEST: Ip6InDiscards                                                 [ OK ]

Fix by setting a default utility name and skip the test if the utility
is not present.

Fixes: 0857d6f8c7 ("ipv6: When forwarding count rx stats on the orig netdev")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/adc5e40d-d040-a65e-eb26-edf47dac5b02@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-6-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:35 -07:00
Ido SchimmelandJakub Kicinski 6bdf3d9765 selftests: forwarding: bridge_mdb_max: Check iproute2 version
The selftest relies on iproute2 changes present in version 6.3, but the
test does not check for it, resulting in errors:

 # ./bridge_mdb_max.sh
  INFO: 802.1d tests
  TEST: cfg4: port: ngroups reporting                                 [FAIL]
          Number of groups was null, now is null, but 5 expected
  TEST: ctl4: port: ngroups reporting                                 [FAIL]
          Number of groups was null, now is null, but 5 expected
  TEST: cfg6: port: ngroups reporting                                 [FAIL]
          Number of groups was null, now is null, but 5 expected
  [...]

Fix by skipping the test if iproute2 is too old.

Fixes: 3446dcd7df ("selftests: forwarding: bridge_mdb_max: Add a new selftest")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/6b04b2ba-2372-6f6b-3ac8-b7cba1cfae83@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-5-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:34 -07:00
Ido SchimmelandJakub Kicinski ab2eda04e2 selftests: forwarding: bridge_mdb: Check iproute2 version
The selftest relies on iproute2 changes present in version 6.3, but the
test does not check for it, resulting in error:

 # ./bridge_mdb.sh

 INFO: # Host entries configuration tests
 TEST: Common host entries configuration tests (IPv4)                [FAIL]
         Managed to add IPv4 host entry with a filter mode
 TEST: Common host entries configuration tests (IPv6)                [FAIL]
         Managed to add IPv6 host entry with a filter mode
 TEST: Common host entries configuration tests (L2)                  [FAIL]
         Managed to add L2 host entry with a filter mode

 INFO: # Port group entries configuration tests - (*, G)
 Command "replace" is unknown, try "bridge mdb help".
 [...]

Fix by skipping the test if iproute2 is too old.

Fixes: b6d00da086 ("selftests: forwarding: Add bridge MDB test")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/6b04b2ba-2372-6f6b-3ac8-b7cba1cfae83@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-4-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:34 -07:00
Ido SchimmelandJakub Kicinski 0529883ad1 selftests: forwarding: Switch off timeout
The default timeout for selftests is 45 seconds, but it is not enough
for forwarding selftests which can takes minutes to finish depending on
the number of tests cases:

 # make -C tools/testing/selftests TARGETS=net/forwarding run_tests
 TAP version 13
 1..102
 # timeout set to 45
 # selftests: net/forwarding: bridge_igmp.sh
 # TEST: IGMPv2 report 239.10.10.10                                    [ OK ]
 # TEST: IGMPv2 leave 239.10.10.10                                     [ OK ]
 # TEST: IGMPv3 report 239.10.10.10 is_include                         [ OK ]
 # TEST: IGMPv3 report 239.10.10.10 include -> allow                   [ OK ]
 #
 not ok 1 selftests: net/forwarding: bridge_igmp.sh # TIMEOUT 45 seconds

Fix by switching off the timeout and setting it to 0. A similar change
was done for BPF selftests in commit 6fc5916cc2 ("selftests: bpf:
Switch off timeout").

Fixes: 81573b18f2 ("selftests/net/forwarding: add Makefile to install tests")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/8d149f8c-818e-d141-a0ce-a6bae606bc22@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-3-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:34 -07:00
Ido SchimmelandJakub Kicinski d72c83b1e4 selftests: forwarding: Skip test when no interfaces are specified
As explained in [1], the forwarding selftests are meant to be run with
either physical loopbacks or veth pairs. The interfaces are expected to
be specified in a user-provided forwarding.config file or as command
line arguments. By default, this file is not present and the tests fail:

 # make -C tools/testing/selftests TARGETS=net/forwarding run_tests
 [...]
 TAP version 13
 1..102
 # timeout set to 45
 # selftests: net/forwarding: bridge_igmp.sh
 # Command line is not complete. Try option "help"
 # Failed to create netif
 not ok 1 selftests: net/forwarding: bridge_igmp.sh # exit=1
 [...]

Fix by skipping a test if interfaces are not provided either via the
configuration file or command line arguments.

 # make -C tools/testing/selftests TARGETS=net/forwarding run_tests
 [...]
 TAP version 13
 1..102
 # timeout set to 45
 # selftests: net/forwarding: bridge_igmp.sh
 # SKIP: Cannot create interface. Name not specified
 ok 1 selftests: net/forwarding: bridge_igmp.sh # SKIP

[1] tools/testing/selftests/net/forwarding/README

Fixes: 81573b18f2 ("selftests/net/forwarding: add Makefile to install tests")
Reported-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Closes: https://lore.kernel.org/netdev/856d454e-f83c-20cf-e166-6dc06cbc1543@alu.unizg.hr/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Tested-by: Mirsad Todorovac <mirsad.todorovac@alu.unizg.hr>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/20230808141503.4060661-2-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-08-09 14:53:34 -07:00
Petr MachataandDavid S. Miller 24e84656e4 selftests: router_bridge_1d_lag: Add a new selftest
Add a selftest to verify that routing through several bridges works when
LAG VLANs are used instead of physical ports, and that routing through LAG
VLANs themselves works as physical ports are de/enslaved.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-02 09:18:18 +01:00
Petr MachataandDavid S. Miller 3f0c4e70a9 selftests: router_bridge_lag: Add a new selftest
Add a selftest to verify that routing through a bridge works when LAG is
used instead of physical ports.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-02 09:18:18 +01:00
Petr MachataandDavid S. Miller 49e15dec8b selftests: router_bridge_vlan_upper: Add a new selftest
Add a selftest that verifies routing through VLAN bridge uppers.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-02 09:18:18 +01:00
Petr MachataandDavid S. Miller 0a06e0c1af selftests: router_bridge_1d: Add a new selftest
Add a selftest to verify that routing through a 1d bridge works when VLAN
upper of a physical port is used instead of a physical port. Also verify
that when a port is attached to an already-configured bridge, the
configuration is applied.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-02 09:18:18 +01:00
Petr MachataandDavid S. Miller eb1388553e selftests: router_bridge: Add remastering tests
Add two tests to deslave a port from and reenslave to a bridge. This should
retain the ability of the system to forward traffic, but on an offloading
driver that is sensitive to ordering of operations, it might not.

The first test does this configuration in a way that relies on
vlan_default_pvid to assign the PVID. The second test disables that
autoconfiguration and configures PVID by hand in a separate step.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-08-02 09:18:18 +01:00
Petr MachataandDavid S. Miller 9cbb3da4f4 selftests: router_bridge_pvid_vlan_upper: Add a new selftest
This tests whether addition and deletion of a VLAN upper that coincides
with the current PVID setting throws off forwarding.

This selftests is specifically geared towards offloading drivers. In
particular, mlxsw used to fail this selftest, and an earlier patch in this
patchset fixes the issue. However, there's nothing HW-specific in the test
itself (it absolutely is supposed to pass on SW datapath), and therefore it
is put into the generic forwarding directory.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-07-14 10:20:15 +01:00
Petr MachataandDavid S. Miller b0307b7726 selftests: router_bridge_vlan_upper_pvid: Add a new selftest
This tests whether changes to PVID that coincide with an existing VLAN
upper throw off forwarding. This selftests is specifically geared towards
offloading drivers, but since there's nothing HW-specific in the test
itself (it absolutely is supposed to pass on SW datapath), it is put into
the generic forwarding directory.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-07-14 10:20:15 +01:00
Petr MachataandDavid S. Miller d4172a93b2 selftests: router_bridge_vlan: Add PVID change test
Add an alternative path involving VLAN 777 instead of the current 555. Then
add tests that verify that marking 777 as PVID makes the 555 path not work,
and the 777 path work.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-07-14 10:20:15 +01:00
Petr MachataandDavid S. Miller c7203a2981 selftests: router_bridge: Add tests to remove and add PVID
This test relies on PVID being configured on the bridge itself. Thus when
it is deconfigured, the system should lose the ability to forward traffic.
Later when it is added again, the ability to forward traffic should be
regained. Add tests to exercise these configuration changes and verify
results.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-07-14 10:20:15 +01:00
Petr MachataandDavid S. Miller 5f44a7144c selftests: forwarding: lib: Add ping6_, ping_test_fails()
Add two helpers to run a ping test that succeeds when the pings themselves
fail.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-07-14 10:20:15 +01:00
Ido SchimmelandJakub Kicinski 209218e479 selftests: forwarding: Add test cases for flower port range matching
Add test cases to verify that flower port range matching works
correctly. Test both source and destination port ranges, with different
combinations of IPv4/IPv6 and TCP/UDP, on both ingress and egress.

Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/9d47c9cd4522b2d335b13ce8f6c9b33199298cee.1689092769.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-07-12 16:57:18 -07:00
Jakub Kicinski a7384f3918 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.

Conflicts:

tools/testing/selftests/net/fcnal-test.sh
  d7a2fc1437 ("selftests: net: fcnal-test: check if FIPS mode is enabled")
  dd017c72dd ("selftests: fcnal: Test SO_DONTROUTE on TCP sockets.")
https://lore.kernel.org/all/5007b52c-dd16-dbf6-8d64-b9701bfa498b@tessares.net/
https://lore.kernel.org/all/20230619105427.4a0df9b3@canb.auug.org.au/

No adjacent changes.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-06-22 18:40:38 -07:00
Danielle RatsonandPaolo Abeni c7c059fba6 selftests: forwarding: Fix race condition in mirror installation
When mirroring to a gretap in hardware the device expects to be
programmed with the egress port and all the encapsulating headers. This
requires the driver to resolve the path the packet will take in the
software data path and program the device accordingly.

If the path cannot be resolved (in this case because of an unresolved
neighbor), then mirror installation fails until the path is resolved.
This results in a race that causes the test to sometimes fail.

Fix this by setting the neighbor's state to permanent in a couple of
tests, so that it is always valid.

Fixes: 35c31d5c32 ("selftests: forwarding: Test mirror-to-gretap w/ UL 802.1d")
Fixes: 239e754af8 ("selftests: forwarding: Test mirror-to-gretap w/ UL 802.1q")
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://lore.kernel.org/r/268816ac729cb6028c7a34d4dda6f4ec7af55333.1687264607.git.petrm@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-06-22 10:03:07 +02:00