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bnxt_en: Consolidate DB offset calculation

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The doorbell offset on P5 chips is hard coded.  On the new P7 chips,
it is returned by the firmware.  Simplify the logic that determines
this offset and store it in a new db_offset field in struct bnxt.
Also, provide this offset to the RoCE driver in struct bnxt_en_dev.

Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Hongguang Gao <hongguang.gao@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Link: https://lore.kernel.org/r/20231201223924.26955-5-michael.chan@broadcom.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Hongguang Gao 2023-12-01 14:39:13 -08:00 • committed by Jakub Kicinski
commit d3c16475dc
4 changed files with 16 additions and 15 deletions
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