bnxt_en: Add support for L2 doorbell size.

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Read the L2 doorbell size from the firmware and only map the portion
of the doorbell BAR for L2 use.  This will leave the remaining doorbell
BAR available for the RoCE driver to use.  The RoCE driver can map
the remaining portion as write-combining to support the push feature.

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

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Michael Chan 2020-05-04 04:50:37 -04:00 • committed by David S. Miller

parent e93b30d56f

commit 8ae2473842

2 changed files with 37 additions and 7 deletions

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43

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

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1

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

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