net: add netdev_txq_bql_{enqueue, complete}_prefetchw() helpers

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Add two helpers so that drivers do not have to care of BQL being
available or not.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Jim Davis <jim.epost@gmail.com>
Fixes: 29d40c9032 ("net/mlx4_en: Use prefetch in tx path")
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2014-10-08 08:19:27 -07:00 • committed by David S. Miller

parent 709c48b39e

commit 535114539b

2 changed files with 32 additions and 2 deletions

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5

drivers/net/ethernet/mellanox/mlx4/en_tx.c

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29

include/linux/netdevice.h

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