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Date:   Tue, 14 Jul 2020 00:05:57 +0530
From:   Vinay Kumar Yadav <vinay.yadav@...lsio.com>
To:     netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org
Cc:     secdev@...lsio.com, Vinay Kumar Yadav <vinay.yadav@...lsio.com>
Subject: [PATCH net-next 3/3] crypto/chtls: Enable tcp window scaling option

Enable tcp window scaling option in hw based on sysctl settings.

Signed-off-by: Vinay Kumar Yadav <vinay.yadav@...lsio.com>
---
 drivers/crypto/chelsio/chtls/chtls_cm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c b/drivers/crypto/chelsio/chtls/chtls_cm.c
index eedad8caa..9d6ea812b 100644
--- a/drivers/crypto/chelsio/chtls/chtls_cm.c
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.c
@@ -1061,6 +1061,7 @@ static void chtls_pass_accept_rpl(struct sk_buff *skb,
 	opt2 |= CONG_CNTRL_V(CONG_ALG_NEWRENO);
 	opt2 |= T5_ISS_F;
 	opt2 |= T5_OPT_2_VALID_F;
+	opt2 |= WND_SCALE_EN_V(!!(sock_net(sk)->ipv4.sysctl_tcp_window_scaling));
 	rpl5->opt0 = cpu_to_be64(opt0);
 	rpl5->opt2 = cpu_to_be32(opt2);
 	rpl5->iss = cpu_to_be32((prandom_u32() & ~7UL) - 1);
-- 
2.18.1

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