This is a note to let you know that I've just added the patch titled
IB/rxe: Increase max number of completions to 32k
to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
ib-rxe-increase-max-number-of-completions-to-32k.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From d680ebed91e0b45c43ae03a880a0b43211096161 Mon Sep 17 00:00:00 2001
From: Yonatan Cohen <yonatanc@xxxxxxxxxxxx>
Date: Wed, 16 Nov 2016 10:39:16 +0200
Subject: IB/rxe: Increase max number of completions to 32k
From: Yonatan Cohen <yonatanc@xxxxxxxxxxxx>
commit d680ebed91e0b45c43ae03a880a0b43211096161 upstream.
Increase limit of max CQE from 8K to 32K to allow demanding
applications to work over SoftRoCE with same configuration
as most RoCEv2 HW vendors have.
Fixes: 8700e3e7c485 ("Soft RoCE driver")
Signed-off-by: Yonatan Cohen <yonatanc@xxxxxxxxxxxx>
Reviewed-by: Moni Shoua <monis@xxxxxxxxxxxx>
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Signed-off-by: Doug Ledford <dledford@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/sw/rxe/rxe_param.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/infiniband/sw/rxe/rxe_param.h
+++ b/drivers/infiniband/sw/rxe/rxe_param.h
@@ -82,7 +82,7 @@ enum rxe_device_param {
RXE_MAX_SGE = 32,
RXE_MAX_SGE_RD = 32,
RXE_MAX_CQ = 16384,
- RXE_MAX_LOG_CQE = 13,
+ RXE_MAX_LOG_CQE = 15,
RXE_MAX_MR = 2 * 1024,
RXE_MAX_PD = 0x7ffc,
RXE_MAX_QP_RD_ATOM = 128,
Patches currently in stable-queue which might be from yonatanc@xxxxxxxxxxxx are
queue-4.9/ib-rxe-increase-max-number-of-completions-to-32k.patch
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