crypto/chtls: Enable tcp window scaling option

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

v1->v2:
- Set window scale option based on option in connection request.

Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/crypto/chelsio/chtls/chtls_cm.c b/drivers/crypto/chelsio/chtls/chtls_cm.c
index f200fae..fd5c558 100644 (file)
--- a/drivers/crypto/chelsio/chtls/chtls_cm.c
+++ b/drivers/crypto/chelsio/chtls/chtls_cm.c
@@ -1056,6 +1056,7 @@ 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(WSCALE_OK(tp));
        rpl5->opt0 = cpu_to_be64(opt0);
        rpl5->opt2 = cpu_to_be32(opt2);
        rpl5->iss = cpu_to_be32((prandom_u32() & ~7UL) - 1);