qed: Optimize qed_chain datapath usage

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The chain structure and functions are widely used by the qed* modules,
both for configuration and datapath.
E.g., qede's Tx has one such chain and its Rx has two.

Currently, the strucutre's fields which are required for datapath
related functions [produce/consume] are intertwined with fields which
are required only for configuration purposes [init/destroy/etc.].

This patch re-arranges the chain structure so that all the fields which
are required for datapath usage could reside in a single cacheline instead
of the two which are required today.

Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Mintz, Yuval 2016-11-29 16:47:01 +02:00 • committed by David S. Miller

parent 01e23015a9

commit 6d937acfb3

3 changed files with 86 additions and 69 deletions

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7

drivers/net/ethernet/qlogic/qed/qed_dev.c

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4

drivers/net/ethernet/qlogic/qed/qed_sp_commands.c

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146

include/linux/qed/qed_chain.h

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