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The test assumes that the packet it is sending is the only packet being
passed to the device.
However, it is not the case and so other packets are filling the buffers
as well. Therefore, the test sometimes fails because it is reading a
maximum occupancy that is larger than expected.
Add egress filters on $h1 and $h2 that will guarantee the above.
Fixes: a865ad999603 ("selftests: mlxsw: Add shared buffer traffic test")
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/64c28bc9b1cc1d78c4a73feda7cedbe9526ccf8b.1733414773.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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On both port_tc_ip_test() and port_tc_arp_test(), the max occupancy is
checked on $h2 twice, when only the error message is different and does not
match the check itself.
Remove the two duplicated test cases from the test.
Fixes: a865ad999603 ("selftests: mlxsw: Add shared buffer traffic test")
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/d9eb26f6fc16a06a30b5c2c16ad80caf502bc561.1733414773.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The test is sending only one packet generated with mausezahn from $h1 to
$h2. However, for some reason, it is testing for non-zero maximum occupancy
in both the ingress pool of $h1 and $h2. The former only passes when $h2
happens to send a packet.
Avoid intermittent failures by removing unintentional test case
regarding the ingress pool of $h1.
Fixes: a865ad999603 ("selftests: mlxsw: Add shared buffer traffic test")
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Link: https://patch.msgid.link/5b7344608d5e06f38209e48d8af8c92fa11b6742.1733414773.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove assumptions about shared buffer cell size and instead query the
cell size from devlink. Adjust the test to send small packets that fit
inside a single cell.
Tested on Spectrum-{1,2,3,4}.
Fixes: 4735402173e6 ("mlxsw: spectrum: Extend to support Spectrum-4 ASIC")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/f7dfbf3c4d1cb23838d9eb99bab09afaa320c4ca.1692268427.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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To align with recent recommended values. Will be configurable by future
patches.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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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>
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