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| author | Eli Cohen <eli@dev.mellanox.co.il> | 2008-04-29 13:46:53 -0700 |
|---|---|---|
| committer | Roland Dreier <rolandd@cisco.com> | 2008-04-29 13:46:53 -0700 |
| commit | f56bcd8013566d4ad4759ae5fc85a6660e4655c7 (patch) | |
| tree | 58b7e23f81caf5e6d8ada5819170f0bfb783d7e3 /drivers/infiniband/ulp/ipoib/ipoib_cm.c | |
| parent | 87528227dfa8776d12779d073c217f0835fd6d20 (diff) | |
| download | linux-f56bcd8013566d4ad4759ae5fc85a6660e4655c7.tar.gz linux-f56bcd8013566d4ad4759ae5fc85a6660e4655c7.tar.bz2 linux-f56bcd8013566d4ad4759ae5fc85a6660e4655c7.zip | |
IPoIB: Use separate CQ for UD send completions
Use a dedicated CQ for UD send completions. Also, do not arm the UD
send CQ, which reduces the number of interrupts generated. This patch
farther reduces overhead by not calling poll CQ for every posted send
WR -- it does polls only when there 16 or more outstanding work requests.
Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/ulp/ipoib/ipoib_cm.c')
| -rw-r--r-- | drivers/infiniband/ulp/ipoib/ipoib_cm.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c index 9db7b0bd9134..97e67d36378f 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c @@ -249,8 +249,8 @@ static struct ib_qp *ipoib_cm_create_rx_qp(struct net_device *dev, struct ipoib_dev_priv *priv = netdev_priv(dev); struct ib_qp_init_attr attr = { .event_handler = ipoib_cm_rx_event_handler, - .send_cq = priv->cq, /* For drain WR */ - .recv_cq = priv->cq, + .send_cq = priv->recv_cq, /* For drain WR */ + .recv_cq = priv->recv_cq, .srq = priv->cm.srq, .cap.max_send_wr = 1, /* For drain WR */ .cap.max_send_sge = 1, /* FIXME: 0 Seems not to work */ @@ -951,8 +951,8 @@ static struct ib_qp *ipoib_cm_create_tx_qp(struct net_device *dev, struct ipoib_ { struct ipoib_dev_priv *priv = netdev_priv(dev); struct ib_qp_init_attr attr = { - .send_cq = priv->cq, - .recv_cq = priv->cq, + .send_cq = priv->recv_cq, + .recv_cq = priv->recv_cq, .srq = priv->cm.srq, .cap.max_send_wr = ipoib_sendq_size, .cap.max_send_sge = 1, |