mlxsw: spectrum: Expose per-tc counters via ethtool

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Expose the transmit queue length of each traffic class and the amount of
unicast packets discarded due to insufficient room in the shared buffer.

The first counter allows us to debug user priority to traffic class
mapping, whereas the drop counter is useful when determining shared buffer
configuration.

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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Ido Schimmel 2016-07-19 15:35:54 +02:00 • committed by David S. Miller

parent 7ed674bc3c

commit df4750e84e

2 changed files with 65 additions and 1 deletions

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18

drivers/net/ethernet/mellanox/mlxsw/reg.h

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48

drivers/net/ethernet/mellanox/mlxsw/spectrum.c

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