ethtool: Add support for control of RX flow hash indirection

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Many NICs use an indirection table to map an RX flow hash value to one
of an arbitrary number of queues (not necessarily a power of 2).  It
can be useful to remove some queues from this indirection table so
that they are only used for flows that are specifically filtered
there.  It may also be useful to weight the mapping to account for
user processes with the same CPU-affinity as the RX interrupts.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Ben Hutchings 2010-06-30 05:05:23 +00:00 • committed by David S. Miller

parent cbf2d604a1

commit a5b6ee291e

2 changed files with 95 additions and 0 deletions

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net/core/ethtool.c

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