From b48f3b9c10d731160f0af5c3028ad57d9c66673b Mon Sep 17 00:00:00 2001
From: Steve Wise <swise@opengridcomputing.com>
Date: Fri, 11 Mar 2011 22:30:21 +0000
Subject: RDMA/cxgb4: Use ULP_MODE_TCPDDP

Set the ULP mode for initial RDMA connection setup to the proper DDP
mode.  This avoids wasting some HW resources while in streaming mode.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
---
 drivers/infiniband/hw/cxgb4/cm.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'drivers/infiniband/hw')

diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 65d3fe6cfd5c..b4d9e4caf3c9 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -482,6 +482,7 @@ static int send_connect(struct c4iw_ep *ep)
 	       TX_CHAN(ep->tx_chan) |
 	       SMAC_SEL(ep->smac_idx) |
 	       DSCP(ep->tos) |
+	       ULP_MODE(ULP_MODE_TCPDDP) |
 	       RCV_BUFSIZ(rcv_win>>10);
 	opt2 = RX_CHANNEL(0) |
 	       RSS_QUEUE_VALID | RSS_QUEUE(ep->rss_qid);
@@ -1274,6 +1275,7 @@ static void accept_cr(struct c4iw_ep *ep, __be32 peer_ip, struct sk_buff *skb,
 	       TX_CHAN(ep->tx_chan) |
 	       SMAC_SEL(ep->smac_idx) |
 	       DSCP(ep->tos) |
+	       ULP_MODE(ULP_MODE_TCPDDP) |
 	       RCV_BUFSIZ(rcv_win>>10);
 	opt2 = RX_CHANNEL(0) |
 	       RSS_QUEUE_VALID | RSS_QUEUE(ep->rss_qid);
-- 
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