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From 3e60cb34a3d1cf7ceec2d0ed2281a4544f7b15ea Mon Sep 17 00:00:00 2001
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From: Potnuri Bharat Teja <bharat@chelsio.com>
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Date: Wed, 9 Sep 2020 21:07:07 +0530
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Subject: [PATCH] RDMA/iw_cxgb4: Disable delayed ack by default
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Patch-mainline: v5.10-rc1
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Git-commit: 8d539c6109f203bb237c7c1eb73d4665869bab1a
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References: jsc#SLE-15118
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Receive side delayed ack mode is needed only for certain area networks/
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connections. Therefore disable it by default.
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Link: https://lore.kernel.org/r/20200909153707.2795-1-bharat@chelsio.com
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Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com>
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Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
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Acked-by: Denis Kirjanov <denis.kirjanov@suse.com>
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---
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drivers/infiniband/hw/cxgb4/cm.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
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index 30e08bcc9afb..98efd688c499 100644
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--- a/drivers/infiniband/hw/cxgb4/cm.c
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+++ b/drivers/infiniband/hw/cxgb4/cm.c
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@@ -77,9 +77,9 @@ static int enable_ecn;
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module_param(enable_ecn, int, 0644);
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MODULE_PARM_DESC(enable_ecn, "Enable ECN (default=0/disabled)");
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-static int dack_mode = 1;
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+static int dack_mode;
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module_param(dack_mode, int, 0644);
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-MODULE_PARM_DESC(dack_mode, "Delayed ack mode (default=1)");
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+MODULE_PARM_DESC(dack_mode, "Delayed ack mode (default=0)");
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uint c4iw_max_read_depth = 32;
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module_param(c4iw_max_read_depth, int, 0644);
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--
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2.16.4
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