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>
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 @@
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 @@
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 @@
ULP_MODE_NONE = 0,
ULP_MODE_ISCSI = 2,
ULP_MODE_RDMA = 4,
+ ULP_MODE_TCPDDP = 5,
ULP_MODE_FCOE = 6,
};