IB/hfi1: Adjust default MTU to be 10KB

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Increasing the default MTU size to 10KB improves performance
for PSM. Change the default MTU to 10KB but constrain
Verbs MTU to 8KB. Also update default MTU module parameter
description to be HFI1_DEFAULT_MAX_MTU.

Reviewed-by: Dean Luick <dean.luick@intel.com>
Reviewed-by: Mitko Haralanov <mitko.haralanov@intel.com>
Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Reviewed-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Sebastian Sanchez <sebastian.sanchez@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

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Sebastian Sanchez 2016-04-12 11:17:09 -07:00 • committed by Doug Ledford

parent 60d585ad6e

commit ef699e849c

3 changed files with 9 additions and 4 deletions

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3

drivers/staging/rdma/hfi1/driver.c

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4

drivers/staging/rdma/hfi1/hfi.h

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6

drivers/staging/rdma/hfi1/qp.c

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