bnxt_en: add page_pool support

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This removes contention over page allocation for XDP_REDIRECT actions by
adding page_pool support per queue for the driver.  The performance for
XDP_REDIRECT actions scales linearly with the number of cores performing
redirect actions when using the page pools instead of the standard page
allocator.

v2: Fix up the error path from XDP registration, noted by Ilias Apalodimas.

Signed-off-by: Andy Gospodarek <gospo@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Andy Gospodarek 2019-07-08 17:53:04 -04:00 • committed by David S. Miller

parent f18c2b77b2

commit 322b87ca55

4 changed files with 47 additions and 7 deletions

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1

drivers/net/ethernet/broadcom/Kconfig

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49

drivers/net/ethernet/broadcom/bnxt/bnxt.c

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3

drivers/net/ethernet/broadcom/bnxt/bnxt.h

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3

drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c

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