From b48f3b9c10d731160f0af5c3028ad57d9c66673b Mon Sep 17 00:00:00 2001 From: Steve Wise Date: Fri, 11 Mar 2011 22:30:21 +0000 Subject: [PATCH] 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 Signed-off-by: Roland Dreier --- drivers/infiniband/hw/cxgb4/cm.c | 2 ++ drivers/net/cxgb4/t4_msg.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 65d3fe6..b4d9e4c 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); diff --git a/drivers/net/cxgb4/t4_msg.h b/drivers/net/cxgb4/t4_msg.h index a550d0c..eb71b82 100644 --- a/drivers/net/cxgb4/t4_msg.h +++ b/drivers/net/cxgb4/t4_msg.h @@ -123,6 +123,7 @@ enum { ULP_MODE_NONE = 0, ULP_MODE_ISCSI = 2, ULP_MODE_RDMA = 4, + ULP_MODE_TCPDDP = 5, ULP_MODE_FCOE = 6, }; -- 2.7.4