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path: root/tools/testing/selftests/drivers
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2020-04-03Merge tag 'spdx-5.7-rc1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx Pull SPDX updates from Greg KH: "Here are three SPDX patches for 5.7-rc1. One fixes up the SPDX tag for a single driver, while the other two go through the tree and add SPDX tags for all of the .gitignore files as needed. Nothing too complex, but you will get a merge conflict with your current tree, that should be trivial to handle (one file modified by two things, one file deleted.) All three of these have been in linux-next for a while, with no reported issues other than the merge conflict" * tag 'spdx-5.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/spdx: ASoC: MT6660: make spdxcheck.py happy .gitignore: add SPDX License Identifier .gitignore: remove too obvious comments
2020-03-30selftests: mlxsw: Add test cases for devlink-trap policersIdo Schimmel
Add test cases that verify that each registered packet trap policer: * Honors that imposed limitations of rate and burst size * Able to police trapped packets to the specified rate * Able to police trapped packets to the specified burst size * Able to be unbound from its trap group Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30selftests: netdevsim: Add test cases for devlink-trap policersIdo Schimmel
Add test cases for packet trap policer set / show commands as well as for the binding of these policers to packet trap groups. Both good and bad flows are tested for maximum coverage. v2: * Add test case with new 'fail_trap_policer_set' knob * Add test case for partially modified trap group Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-30netdevsim: Change dummy reporter auto recover defaultEran Ben Elisha
Health reporters should be registered with auto recover set to true. Align dummy reporter behaviour with that, as in later patch the option to set auto recover behaviour will be removed. In addition, align netdevsim selftest to the new default value. Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-26netdevsim: support taking immediate snapshot via devlinkJacob Keller
Implement the .snapshot region operation for the dummy data region. This enables a region snapshot to be taken upon request via the new DEVLINK_CMD_REGION_SNAPSHOT command. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-26selftests: mlxsw: qos_dscp_router: Test no DSCP rewrite after peditPetr Machata
When DSCP is updated through an offloaded pedit action, DSCP rewrite on egress should be disabled. Add a test that check that it is so. 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>
2020-03-25.gitignore: add SPDX License IdentifierMasahiro Yamada
Add SPDX License Identifier to all .gitignore files. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-18selftests: mlxsw: Add tc action hw_stats testsJiri Pirko
Add tests for mlxsw hw_stats types. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-18selftests: spectrum-2: Adjust tc_flower_scale limit according to current ↵Jiri Pirko
counter count With the change that made the code to query counter bank size from device instead of using hard-coded value, the number of available counters changed for Spectrum-2. Adjust the limit in the selftests. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-14selftests: mlxsw: RED: Test RED ECN nodrop offloadPetr Machata
Extend RED testsuite to cover the new nodrop mode of RED-ECN. This test is really similar to ECN test, diverging only in the last step, where UDP traffic should go to backlog instead of being dropped. Thus extract a common helper, ecn_test_common(), make do_ecn_test() into a relatively simple wrapper, and add another one, do_ecn_nodrop_test(). Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-05selftests: forwarding: ETS: Use Qdisc countersPetr Machata
Currently the SW-datapath ETS selftests use "ip link" stats to obtain the number of packets that went through a given band. mlxsw then uses ethtool per-priority counters. Instead, change both to use qdiscs. In SW datapath this is the obvious choice, and now that mlxsw offloads FIFO, this should work on the offloaded datapath as well. This has the effect of verifying that the FIFO offload works. 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>
2020-03-03selftests: mlxsw: qos_defprio: Use until_counter_isPetr Machata
Instead of hand-coding the busywait() predicate, use the until_counter_is() introduced recently. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Amit Cohen <amitc@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-03-03selftests: forwarding: Convert until_counter_is() to take expressionPetr Machata
until_counter_is() currently takes as an argument a number and the condition holds when the current counter value is >= that number. Make the function more generic by taking a partial expression instead of just the number. Convert the two existing users. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Amit Cohen <amitc@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: resource_scale: Invoke for Spectrum-3Amit Cohen
The scale test for Spectrum-2 should be invoked for Spectrum-2 and Spectrum-3. Add the appropriate device ID. Signed-off-by: Amit Cohen <amitc@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Reduce router scale running time using offload indicationDanielle Ratson
Currently, the test inserts X /32 routes and for each route it is testing that a packet sent from the first host is received by the second host, which is very time-consuming. Instead only validate the offload flag of each route and get the same result. Wait between the creation of the routes and the offload validation in order to make sure that all the routes were successfully offloaded. Signed-off-by: Danielle Ratson <danieller@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Reduce running time using offload indicationDanielle Ratson
After adding a given number of flower rules for different IPv6 addresses, the test generates traffic and ensures that each packet is received, which is time-consuming. Instead, test the offload indication of the tc flower rules and reduce the running time by half. Signed-off-by: Danielle Ratson <danieller@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Add shared buffer traffic testShalom Toledo
Test the max shared buffer occupancy for port's pool and port's TC's (using different types of packets). Signed-off-by: Shalom Toledo <shalomt@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Add mlxsw libShalom Toledo
Add mlxsw lib for common defines, helpers etc. Signed-off-by: Shalom Toledo <shalomt@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Add shared buffer configuration testShalom Toledo
Test physical ports' shared buffer configuration options using random values related to a specific configuration option. There are 3 configuration options: pool, TC bind and portpool. Each sub-test, test a different configuration option and random the related values as the follow: * For pools, pool's size will be randomized. * For TC bind, pool number and threshold will be randomized. * For portpools, threshold will be randomized. Signed-off-by: Shalom Toledo <shalomt@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Use busywait helper in rtnetlink testDanielle Ratson
Rtnetlink test uses offload indication checks. Use a busywait helper and wait until the offload indication is set or fail if it reaches timeout. Signed-off-by: Danielle Ratson <danieller@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Use busywait helper in vxlan testDanielle Ratson
Vxlan test uses offload indication checks. Use a busywait helper and wait until the offload indication is set or fail if it reaches timeout. Signed-off-by: Danielle Ratson <danieller@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Use busywait helper in blackhole routes testDanielle Ratson
Blackhole routes test uses offload indication checks. Use busywait helper and wait until the routes offload indication is set or fail if it reaches timeout. Signed-off-by: Danielle Ratson <danieller@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: devlink_trap_l3_drops: Avoid race conditionIdo Schimmel
The test checks that packets are trapped when they should egress a router interface (RIF) that has become disabled. This is a temporary state in a RIF's deletion sequence. Currently, the test deletes the RIF by flushing all the IP addresses configured on the associated netdev (br0). However, this is racy, as this also flushes all the routes pointing to the netdev and if the routes are deleted from the device before the RIF is disabled, then no packets will try to egress the disabled RIF and the trap will not be triggered. Instead, trigger the deletion of the RIF by unlinking the mlxsw port from the bridge that is backing the RIF. Unlike before, this will not cause the kernel to delete the routes pointing to the bridge. Note that due to current mlxsw locking scheme the RIF is always deleted first, but this is going to change. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: add a mirror test to mlxsw tc flower restrictionsJiri Pirko
Include test of forbidding to have multiple mirror actions. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: add egress redirect test to mlxsw tc flower restrictionsJiri Pirko
Include test of forbidding to have redirect rule on egress-bound block. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-27selftests: mlxsw: Add a RED selftestPetr Machata
This tests that below the queue minimum length, there is no dropping / marking, and above max, everything is dropped / marked. The test is structured as a core file with topology and test code, and three wrappers: one for RED used as a root Qdisc, and two for testing (W)RED under PRIO and ETS. Signed-off-by: Petr Machata <petrm@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-25selftests: netdevsim: Extend devlink trap test to include flow action cookieJiri Pirko
Extend existing devlink trap test to include metadata type for flow action cookie. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-24selftests: devlink_trap_acl_drops: Add ACL traps testJiri Pirko
Add a test to check functionality of ACL traps. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-24selftests: pass pref and handle to devlink_trap_drop_* helpersJiri Pirko
Currently the helpers assume pref 1 and handle 101. Make that explicit and pass the values from callers. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-24selftests: introduce test for mlxsw tc flower restrictionsJiri Pirko
Include test of forbidding to have drop rule on mixed-bound shared block. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-17selftests: mlxsw: vxlan: Add test for error pathIdo Schimmel
Test that when two VXLAN tunnels with conflicting configurations (i.e., different TTL) are enslaved to the same VLAN-aware bridge, then the enslavement of a port to the bridge is denied. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-17selftests: mlxsw: vxlan: Adjust test to recent changesIdo Schimmel
After recent changes, the VXLAN tunnel will be offloaded regardless if any local ports are member in the FID or not. Adjust the test to make sure the tunnel is offloaded in this case. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-17selftests: mlxsw: extack: Test creation of multiple VLAN-aware bridgesIdo Schimmel
The driver supports a single VLAN-aware bridge. Test that the enslavement of a port to the second VLAN-aware bridge fails with an extack. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-17selftests: mlxsw: extack: Test bridge creation with VXLANIdo Schimmel
Test that creation of a bridge (both VLAN-aware and VLAN-unaware) fails with an extack when a VXLAN device with an unsupported configuration is already enslaved to it. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-17selftests: mlxsw: Remove deprecated testIdo Schimmel
The addition of a VLAN on a bridge slave prompts the driver to have the local port in question join the FID corresponding to this VLAN. Before recent changes, the operation of joining the FID would also mean that the driver would enable VXLAN tunneling if a VXLAN device was also member in the VLAN. In case the configuration of the VXLAN tunnel was not supported, an extack error would be returned. Since the operation of joining the FID no longer means that VXLAN tunneling is potentially enabled, the test is no longer relevant. Remove it. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-02-07selftests: mlxsw: Add test cases for local table route replacementIdo Schimmel
Test that routes in the main table do not replace identical routes in the local table and that routes in the local table do replace identical routes in the main table. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-25selftests: mlxsw: Add a TBF selftestPetr Machata
Add a test that runs traffic across a port throttled with TBF. The test checks that the observed throughput is within +-5% from the installed shaper. To allow checking both the software datapath and the offloaded one, make the test suitable for inclusion from driver-specific wrapper. Introduce such wrappers for mlxsw. 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>
2020-01-25selftests: Move two functions from mlxsw's qos_lib to libPetr Machata
The function humanize() is used for converting value in bits/s to a human-friendly approximate value in Kbps, Mbps or Gbps. There is nothing hardware-specific in that, so move the function to lib.sh. Similarly for the rate() function, which just does a bit of math to calculate a rate, given two counter values and a time interval. 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>
2020-01-19Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/netDavid S. Miller
2020-01-19selftests: devlink_trap_tunnel_vxlan: Add test case for overlay_smac_is_mcAmit Cohen
Test that the trap is triggered under the right conditions and that devlink counters increase when action is trap. Signed-off-by: Amit Cohen <amitc@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19selftests: devlink_trap_tunnel_ipip: Add test case for decap_errorAmit Cohen
Test that the trap is triggered under the right conditions and that devlink counters increase. Signed-off-by: Amit Cohen <amitc@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19selftests: devlink_trap_tunnel_vxlan: Add test case for decap_errorAmit Cohen
Test that the trap is triggered under the right conditions and that devlink counters increase. Signed-off-by: Amit Cohen <amitc@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-19selftests: devlink_trap_l3_drops: Add test cases of irif and erif disabledAmit Cohen
Add test cases to check that packets routed through disabled RIFs and packets routed from disabled RIFs are dropped and devlink counters increase when the action is trap. Signed-off-by: Amit Cohen <amitc@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-15selftests: mlxsw: qos_mc_aware: Fix mausezahn invocationPetr Machata
Mausezahn does not recognize "own" as a keyword on source IP address. As a result, the MC stream is not running at all, and therefore no UC degradation can be observed even in principle. Fix the invocation, and tighten the test: due to the minimum shaper configured at the MC TCs, we always expect about 20% degradation. Fail the test if it is lower. Fixes: 573363a68f27 ("selftests: mlxsw: Add qos_lib.sh") Signed-off-by: Petr Machata <petrm@mellanox.com> Reported-by: Amit Cohen <amitc@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-14selftests: mlxsw: Add test for FIB offload APIIdo Schimmel
The test reuses the common FIB offload tests in order to make sure that mlxsw correctly implements FIB offload. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-14selftests: netdevsim: Add test for FIB offload APIIdo Schimmel
Test various aspects of the FIB offload API on top of the netdevsim implementation. Both good and bad flows are tested. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-01-02selftests: mlxsw: Add a self-test for port-default priorityPetr Machata
Send non-IP traffic to a port and observe that it gets prioritized according to the lldptool app=$prio,1,0 rules. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-18selftests: forwarding: sch_ets: Add test coverage for ETS QdiscPetr Machata
This tests the newly-added ETS Qdisc. It runs two to three streams of traffic, each with a different priority. ETS Qdisc is supposed to allocate bandwidth according to the DRR algorithm and given weights. After running the traffic for a while, counters are compared for each stream to check that the expected ratio is in fact observed. In order for the DRR process to kick in, a traffic bottleneck must exist in the first place. In slow path, such bottleneck can be implemented by wrapping the ETS Qdisc inside a TBF or other shaper. This might however make the configuration unoffloadable. Instead, on HW datapath, the bottleneck would be set up by lowering port speed and configuring shared buffer suitably. Therefore the test is structured as a core component that implements the testing, with two wrapper scripts that implement the details of slow path resp. fast path configuration. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-12-18selftests: forwarding: Move start_/stop_traffic from mlxsw to lib.shPetr Machata
These two functions are used for starting several streams of traffic, and then stopping them later. They will be handy for the test coverage of ETS Qdisc. Move them from mlxsw-specific qos_lib.sh to the generic lib.sh. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-18selftests: mlxsw: Check devlink device before running testDanielle Ratson
The scale test for Spectrum-2 should only be invoked for Spectrum-2. Skip the test otherwise. Signed-off-by: Danielle Ratson <danieller@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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