[ofa-general] [PATCH 07/10] IPoIB verb changes.
From: Krishna Kumar <hidden>
Date: 2007-07-20 06:33:13
IPoIB verb changes to support batching. Signed-off-by: Krishna Kumar <redacted> --- ipoib_verbs.c | 23 ++++++++++++++--------- 1 files changed, 14 insertions(+), 9 deletions(-) diff -ruNp org/drivers/infiniband/ulp/ipoib/ipoib_verbs.c new/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
--- org/drivers/infiniband/ulp/ipoib/ipoib_verbs.c 2007-07-20 07:49:28.000000000 +0530
+++ new/drivers/infiniband/ulp/ipoib/ipoib_verbs.c 2007-07-20 08:30:22.000000000 +0530@@ -152,11 +152,11 @@ int ipoib_transport_dev_init(struct net_ .max_send_sge = 1, .max_recv_sge = 1 }, - .sq_sig_type = IB_SIGNAL_ALL_WR, + .sq_sig_type = IB_SIGNAL_REQ_WR, /* 11.2.4.1 */ .qp_type = IB_QPT_UD }; - - int ret, size; + struct ib_send_wr *next_wr = NULL; + int i, ret, size; priv->pd = ib_alloc_pd(priv->ca); if (IS_ERR(priv->pd)) {
@@ -197,12 +197,17 @@ int ipoib_transport_dev_init(struct net_ priv->dev->dev_addr[2] = (priv->qp->qp_num >> 8) & 0xff; priv->dev->dev_addr[3] = (priv->qp->qp_num ) & 0xff; - priv->tx_sge.lkey = priv->mr->lkey; - - priv->tx_wr.opcode = IB_WR_SEND; - priv->tx_wr.sg_list = &priv->tx_sge; - priv->tx_wr.num_sge = 1; - priv->tx_wr.send_flags = IB_SEND_SIGNALED; + for (i = ipoib_sendq_size - 1; i >= 0; i--) { + priv->tx_sge[i].lkey = priv->mr->lkey; + priv->tx_wr[i].opcode = IB_WR_SEND; + priv->tx_wr[i].sg_list = &priv->tx_sge[i]; + priv->tx_wr[i].num_sge = 1; + priv->tx_wr[i].send_flags = 0; + + /* Link the list properly for provider to use */ + priv->tx_wr[i].next = next_wr; + next_wr = &priv->tx_wr[i]; + } return 0;