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RDMA/cxgb4: Use ULP_MODE_TCPDDP

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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 <[email protected]>
Signed-off-by: Roland Dreier <[email protected]>
This commit is contained in:
Steve Wise 2011-03-11 22:30:21 +00:00 • committed by Roland Dreier
commit b48f3b9c10
2 changed files with 3 additions and 0 deletions
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2
drivers/infiniband/hw/cxgb4/cm.c
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@ -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);