[ofa-general] [PATCH 2/3] ib/ipoib: set IPoIB-UD RX S/G parameters

[Shirley Ma]

Found a problem in patch generation file ipoib_verbs.c, I will fix it
tomorrow, it should be:

--- a/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_verbs.c
@@ -150,7 +150,7 @@ int ipoib_transport_dev_init(struct net_device *dev,
struct ib_device *ca)
                        .max_send_wr  = ipoib_sendq_size,
                        .max_recv_wr  = ipoib_recvq_size,
                        .max_send_sge = 1,
-                       .max_recv_sge = 1
+                       .max_recv_sge =
IPOIB_UD_RX_SG(priv->max_ib_mtu) 
                },
                .sq_sig_type = IB_SIGNAL_ALL_WR,
                .qp_type     = IB_QPT_UD
@@ -208,6 +208,16 @@ int ipoib_transport_dev_init(struct net_device
*dev, struct ib_device *ca)
        priv->tx_wr.num_sge     = 1;
        priv->tx_wr.send_flags  = IB_SEND_SIGNALED;

+       priv->rx_sge[0].length = IPOIB_UD_HEAD_SIZE(priv->max_ib_mtu);
+       for (i = 0; i < IPOIB_UD_RX_SG(priv->max_ib_mtu) - 1; ++i) {
+               priv->rx_sge[i].lkey = priv->mr->lkey;
+               priv->rx_sge[i + 1].length = PAGE_SIZE;
+       }
+       priv->rx_sge[i + 1].lkey = priv->mr->lkey;
+       priv->rx_wr.num_sge = IPOIB_UD_RX_SG(priv->max_ib_mtu);
+       priv->rx_wr.next = NULL;
+       priv->rx_wr.sg_list = priv->rx_sge;
+
        return 0;

 out_free_cq: