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27 commits

Author SHA1 Message Date
Jakub Kicinski
8c4cf4bc3e selftests: net: add a test for static UDP tunnel ports
Check UDP_TUNNEL_NIC_INFO_STATIC_IANA_VXLAN works as expected.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28 12:50:12 -07:00
Jakub Kicinski
53db3e53e2 selftests: net: add a test for shared UDP tunnel info tables
Add a test run of checks validating the shared UDP tunnel port
tables function as we expect.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-28 12:50:12 -07:00
Jakub Kicinski
090bc03bc9 netdevsim: fix duplicated debugfs directory
The "ethtool" debugfs directory holds per-netdev knobs, so move
it from the device instance directory to the port directory.

This fixes the following warning when creating multiple ports:

 debugfs: Directory 'ethtool' with parent 'netdevsim1' already present!

Fixes: ff1f7c17fb ("netdevsim: add pause frame stats")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-26 14:19:08 -07:00
Jacob Keller
cbb58368fb netdevsim: add support for flash_update overwrite mask
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>
2020-09-25 17:20:57 -07:00
Jacob Keller
bc75c054f0 devlink: convert flash_update to use params structure
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>
2020-09-25 17:20:57 -07:00
Jakub Kicinski
242aaf03dc selftests: add a test for ethtool pause stats
Make sure the empty nest is reported even without stats.
Make sure reporting only selected stats works fine.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-09-15 13:26:28 -07:00
Jakub Kicinski
91f430b2c4 selftests: net: add a test for UDP tunnel info infra
Add validating the UDP tunnel infra works.

$ ./udp_tunnel_nic.sh
PASSED all 383 checks

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-10 13:54:00 -07:00
David S. Miller
13209a8f73 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
The MSCC bug fix in 'net' had to be slightly adjusted because the
register accesses are done slightly differently in net-next.

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-24 13:47:27 -07:00
Ido Schimmel
4d59e59cf4 selftests: netdevsim: Always initialize 'RET' variable
The variable is used by log_test() to check if the test case completely
successfully or not. In case it is not initialized at the start of a
test case, it is possible for the test case to fail despite not
encountering any errors.

Example:

```
...
TEST: Trap group statistics                                         [ OK ]
TEST: Trap policer                                                  [FAIL]
	Policer drop counter was not incremented
TEST: Trap policer binding                                          [FAIL]
	Policer drop counter was not incremented
```

Failure of trap_policer_test() caused trap_policer_bind_test() to fail
as well.

Fix by adding missing initialization of the variable.

Fixes: 5fbff58e27 ("selftests: netdevsim: Add test cases for devlink-trap policers")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-22 16:05:42 -07:00
Jakub Kicinski
5a46b062e2 devlink: refactor end checks in devlink_nl_cmd_region_read_dumpit
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>
2020-05-14 17:36:25 -07:00
Jakub Kicinski
043b3e2276 devlink: let kernel allocate region snapshot id
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>
2020-05-04 11:58:31 -07:00
Ido Schimmel
5fbff58e27 selftests: netdevsim: Add test cases for devlink-trap policers
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>
2020-03-30 17:54:59 -07:00
Eran Ben Elisha
c7f0d4c898 netdevsim: Change dummy reporter auto recover default
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>
2020-03-30 11:17:34 -07:00
Jacob Keller
3fe0fd531a netdevsim: support taking immediate snapshot via devlink
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>
2020-03-26 19:39:26 -07:00
Jiri Pirko
7a3c3f4440 selftests: netdevsim: Extend devlink trap test to include flow action cookie
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>
2020-02-25 11:05:55 -08:00
Ido Schimmel
ffdc5149c5 selftests: netdevsim: Add test for FIB offload API
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>
2020-01-14 18:53:35 -08:00
Aya Levin
ff18176ad8 selftests: Add a test of large binary to devlink health test
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>
2019-11-12 11:25:44 -08:00
Jakub Kicinski
462ef97526 selftests: devlink: undo changes at the end of resource_test
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: b74c37fd35 ("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>
2019-11-06 11:11:30 -08:00
Jiri Pirko
9b88fc5496 selftests: add netdevsim devlink health tests
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>
2019-10-11 21:04:28 -07:00
Jiri Pirko
62ede55fe6 selftests: add netdevsim devlink dev info test
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>
2019-10-07 09:11:07 -04:00
Jiri Pirko
9278bc9f62 selftests: test netdevsim reload forbid and fail
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>
2019-10-06 18:28:42 +02:00
Jiri Pirko
c04d71b5b2 selftests: test creating netdevsim inside network namespace
Add a test that creates netdevsim instance inside network namespace
and verifies that the related devlink instance and port netdevices
reside in the namespace.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-10-05 16:34:15 -07:00
Jiri Pirko
b74c37fd35 selftests: netdevsim: add tests for devlink reload with resources
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>
2019-10-04 11:10:57 -07:00
Ido Schimmel
b3cb7df9ec selftests: devlink_trap: Add test cases for devlink-trap
Add test cases for devlink-trap on top of the netdevsim implementation.

The tests focus on the devlink-trap core infrastructure and user space
API. They test both good and bad flows and also dismantle of the netdev
and devlink device used to report trapped packets.

This allows device drivers to focus their tests on device-specific
functionality.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-08-17 12:40:09 -07:00
Jiri Pirko
5156d7ef6d selftests: netdevsim: add devlink regions tests
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>
2019-08-15 12:02:44 -07:00
Jiri Pirko
dc8a670a87 selftests: netdevsim: add devlink params tests
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>
2019-08-15 12:01:22 -07:00
Jiri Pirko
fc4c93f145 selftests: add basic netdevsim devlink flash testing
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>
2019-06-04 14:21:40 -07:00