From 3e60cb34a3d1cf7ceec2d0ed2281a4544f7b15ea Mon Sep 17 00:00:00 2001
From: Potnuri Bharat Teja <bharat@chelsio.com>
Date: Wed, 9 Sep 2020 21:07:07 +0530
Subject: [PATCH] RDMA/iw_cxgb4: Disable delayed ack by default
Patch-mainline: v5.10-rc1
Git-commit: 8d539c6109f203bb237c7c1eb73d4665869bab1a
References: jsc#SLE-15118

Receive side delayed ack mode is needed only for certain area networks/
connections. Therefore disable it by default.

Link: https://lore.kernel.org/r/20200909153707.2795-1-bharat@chelsio.com
Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Acked-by: Denis Kirjanov <denis.kirjanov@suse.com>
---
 drivers/infiniband/hw/cxgb4/cm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 30e08bcc9afb..98efd688c499 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -77,9 +77,9 @@ static int enable_ecn;
 module_param(enable_ecn, int, 0644);
 MODULE_PARM_DESC(enable_ecn, "Enable ECN (default=0/disabled)");
 
-static int dack_mode = 1;
+static int dack_mode;
 module_param(dack_mode, int, 0644);
-MODULE_PARM_DESC(dack_mode, "Delayed ack mode (default=1)");
+MODULE_PARM_DESC(dack_mode, "Delayed ack mode (default=0)");
 
 uint c4iw_max_read_depth = 32;
 module_param(c4iw_max_read_depth, int, 0644);
-- 
2.16.4