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| author | Steve Wise <swise@opengridcomputing.com> | 2011-03-11 22:30:21 +0000 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2011-03-14 12:09:12 -0700 |
| commit | b48f3b9c10d731160f0af5c3028ad57d9c66673b (patch) | |
| tree | 505fbe19fa360d0a18f08af3ccdb727e801fa115 | |
| parent | a9c7719800ac513b2df14e267d062ec84dc9313e (diff) | |
| download | op-kernel-dev-b48f3b9c10d731160f0af5c3028ad57d9c66673b.zip op-kernel-dev-b48f3b9c10d731160f0af5c3028ad57d9c66673b.tar.gz | |
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>
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/cm.c | 2 | ||||
| -rw-r--r-- | drivers/net/cxgb4/t4_msg.h | 1 |
2 files changed, 3 insertions, 0 deletions
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, }; |
