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2024-02-27selftests: netdevsim: be less selective for FW for the devlink testJakub Kicinski
Commit 6151ff9c7521 ("selftests: netdevsim: use suitable existing dummy file for flash test") introduced a nice trick to the devlink flashing test. Instead of user having to create a file under /lib/firmware we just pick the first one that already exists. Sadly, in AWS Linux there are no files directly under /lib/firmware, only in subdirectories. Don't limit the search to -maxdepth 1. We can use the %P print format to get the correct path for files inside subdirectories: $ find /lib/firmware -type f -printf '%P\n' | head -1 intel-ucode/06-1a-05 The full path is /lib/firmware/intel-ucode/06-1a-05 This works in GNU find, busybox doesn't have printf at all, so we're not making it worse. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Link: https://lore.kernel.org/r/20240224050658.930272-1-kuba@kernel.org Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-10-13selftests: netdevsim: use suitable existing dummy file for flash testJiri Pirko
The file name used in flash test was "dummy" because at the time test was written, drivers were responsible for file request and as netdevsim didn't do that, name was unused. However, the file load request is now done in devlink code and therefore the file has to exist. Use first random file from /lib/firmware for this purpose. Signed-off-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2023-02-21sefltests: netdevsim: wait for devlink instance after netns removalJiri Pirko
When devlink instance is put into network namespace and that network namespace gets deleted, devlink instance is moved back into init_ns. This is done as a part of cleanup_net() routine. Since cleanup_net() is called asynchronously from workqueue, there is no guarantee that the devlink instance move is done after "ip netns del" returns. So fix this race by making sure that the devlink instance is present before any other operation. Reported-by: Amir Tzin <amirtz@nvidia.com> Fixes: b74c37fd35a2 ("selftests: netdevsim: add tests for devlink reload with resources") Signed-off-by: Jiri Pirko <jiri@nvidia.com> Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com> Link: https://lore.kernel.org/r/20230220132336.198597-1-jiri@resnulli.us Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2022-12-16selftests: devlink: fix the fd redirect in dummy_reporter_testJakub Kicinski
$number + > bash means redirect FD $number, e.g. commonly used 2> redirects stderr (fd 2). The test uses 8192> to write the number 8192 to a file, this results in: ./devlink.sh: line 499: 8192: Bad file descriptor Oddly the test also papers over this issue by checking for failure (expecting an error rather than success) so it passes, anyway. Fixes: ff18176ad806 ("selftests: Add a test of large binary to devlink health test") Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-02selftest: netdevsim: Add devlink rate grouping testDmytro Linkin
Test verifies that netdevsim correctly implements devlink ops callbacks that set node as a parent of devlink leaf or node rate object. Co-developed-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-02selftest: netdevsim: Add devlink rate nodes testDmytro Linkin
Test verifies that it is possible to create, delete and set min/max tx rate of devlink rate node on netdevsim VF. Co-developed-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-02selftest: netdevsim: Add devlink port shared/max tx rate testDmytro Linkin
Test verifies that netdevsim VFs can set and retrieve shared/max tx rate through new devlink API. Co-developed-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-02selftest: netdevsim: Add devlink rate testDmytro Linkin
Test verifies that all netdevsim VF ports have rate leaf object created by default. Co-developed-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Vlad Buslov <vladbu@nvidia.com> Signed-off-by: Dmytro Linkin <dlinkin@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-25netdevsim: add support for flash_update overwrite maskJacob Keller
The devlink interface recently gained support for a new "overwrite mask" parameter that allows specifying how various sub-sections of a flash component are modified when updating. Add support for this to netdevsim, to enable easily testing the interface. Make the allowed overwrite mask values controllable via a debugfs parameter. This enables testing a flow where the driver rejects an unsupportable overwrite mask. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-25devlink: convert flash_update to use params structureJacob Keller
The devlink core recently gained support for checking whether the driver supports a flash_update parameter, via `supported_flash_update_params`. However, parameters are specified as function arguments. Adding a new parameter still requires modifying the signature of the .flash_update callback in all drivers. Convert the .flash_update function to take a new `struct devlink_flash_update_params` instead. By using this structure, and the `supported_flash_update_params` bit field, a new parameter to flash_update can be added without requiring modification to existing drivers. As before, all parameters except file_name will require driver opt-in. Because file_name is a necessary field to for the flash_update to make sense, no "SUPPORTED" bitflag is provided and it is always considered valid. All future additional parameters will require a new bit in the supported_flash_update_params bitfield. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Reviewed-by: Jakub Kicinski <kuba@kernel.org> Cc: Jiri Pirko <jiri@mellanox.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Michael Chan <michael.chan@broadcom.com> Cc: Bin Luo <luobin9@huawei.com> Cc: Saeed Mahameed <saeedm@mellanox.com> Cc: Leon Romanovsky <leon@kernel.org> Cc: Ido Schimmel <idosch@mellanox.com> Cc: Danielle Ratson <danieller@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-14devlink: refactor end checks in devlink_nl_cmd_region_read_dumpitJakub Kicinski
Clean up after recent fixes, move address calculations around and change the variable init, so that we can have just one start_offset == end_offset check. Make the check a little stricter to preserve the -EINVAL error if requested start offset is larger than the region itself. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-04devlink: let kernel allocate region snapshot idJakub Kicinski
Currently users have to choose a free snapshot id before calling DEVLINK_CMD_REGION_NEW. This is potentially racy and inconvenient. Make the DEVLINK_ATTR_REGION_SNAPSHOT_ID optional and try to allocate id automatically. Send a message back to the caller with the snapshot info. Example use: $ devlink region new netdevsim/netdevsim1/dummy netdevsim/netdevsim1/dummy: snapshot 1 $ id=$(devlink -j region new netdevsim/netdevsim1/dummy | \ jq '.[][][][]') $ devlink region dump netdevsim/netdevsim1/dummy snapshot $id [...] $ devlink region del netdevsim/netdevsim1/dummy snapshot $id v4: - inline the notification code v3: - send the notification only once snapshot creation completed. v2: - don't wrap the line containing extack; - add a few sentences to the docs. Signed-off-by: Jakub Kicinski <kuba@kernel.org> Reviewed-by: Jacob Keller <jacob.e.keller@intel.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>
2019-11-12selftests: Add a test of large binary to devlink health testAya Levin
Add a test of 2 PAGEs size (exceeds devlink previous length limitation) of binary data on a 'devlink health dump show' command. Set binary length to 8192, issue a dump show command and clear it. Signed-off-by: Aya Levin <ayal@mellanox.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-11-06selftests: devlink: undo changes at the end of resource_testJakub Kicinski
The netdevsim object is reused by all the tests, but the resource tests puts it into a broken state (failed reload in a different namespace). Make sure it's fixed up at the end of that test otherwise subsequent tests fail. Fixes: b74c37fd35a2 ("selftests: netdevsim: add tests for devlink reload with resources") Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-11selftests: add netdevsim devlink health testsJiri Pirko
Add basic tests to verify functionality of netdevsim reporters. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-07selftests: add netdevsim devlink dev info testJiri Pirko
Add test to verify netdevsim driver name returned by devlink dev info. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-06selftests: test netdevsim reload forbid and failJiri Pirko
Extend netdevsim reload test by simulation of failures. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-04selftests: netdevsim: add tests for devlink reload with resourcesJiri Pirko
Add couple of tests for devlink reload testing and also resource limitations testing, along with devlink reload. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-15selftests: netdevsim: add devlink regions testsJiri Pirko
Test netdevsim devlink region implementation. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Tested-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-15selftests: netdevsim: add devlink params testsJiri Pirko
Test recently added netdevsim devlink param implementation. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Tested-by: Jakub Kicinski <jakub.kicinski@netronome.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-06-04selftests: add basic netdevsim devlink flash testingJiri Pirko
Utilizes the devlink flash code. Suggested-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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