[ofa-general] [ipoib]patch for ipoib failure during startup with non-default pkey set.

[Alex Estrin]

Proposed patch allows ipoib interface to pickup correct value from pkey-table first entry and update broadcast mgid before it start joining multicast groups.
Please review.

Signed-off-by: Alex Estrin <alex.estrin at qlogic.com>

diff --git a/ofa_kernel-1.4/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/ofa_kernel-1.4/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 784c291..459e2b9 100644
--- a/ofa_kernel-1.4/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/ofa_kernel-1.4/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -719,7 +719,25 @@ int ipoib_ib_dev_open(struct net_device *dev)
 static void ipoib_pkey_dev_check_presence(struct net_device *dev)
 {
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
+	struct ib_port_attr    port_attr;
 	u16 pkey_index = 0;
+	
+	if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) {
+		
+		clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
+		if (ib_query_port(priv->ca, priv->port, &port_attr)) {
+			ipoib_warn(priv, "Query port attrs failed\n");
+			return;
+		}
+		if (port_attr.state != IB_PORT_ACTIVE) {
+			return;
+		} 
+		if (ib_query_pkey(priv->ca, priv->port, 0, &priv->pkey)) {
+			ipoib_warn(priv, "Query P_Key table entry 0 failed\n");
+			return;
+		}
+		set_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
+	}
 
 	if (ib_find_pkey(priv->ca, priv->port, priv->pkey, &pkey_index))
 		clear_bit(IPOIB_PKEY_ASSIGNED, &priv->flags);
diff --git a/ofa_kernel-1.4/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/ofa_kernel-1.4/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 016a057..4d270e2 100644
--- a/ofa_kernel-1.4/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/ofa_kernel-1.4/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -556,6 +556,13 @@ void ipoib_mcast_join_task(struct work_struct *work)
 		}
 
 		spin_lock_irq(&priv->lock);
+
+		if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) {
+			/* fix broadcast gid in case if pkey was changed */
+			priv->pkey |= 0x8000;
+			priv->dev->broadcast[8] = priv->pkey >> 8;
+			priv->dev->broadcast[9] = priv->pkey & 0xff;
+		}
 		memcpy(broadcast->mcmember.mgid.raw, priv->dev->broadcast + 4,
 		       sizeof (union ib_gid));
 		priv->broadcast = broadcast;
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