[ewg] [PATCH] IB/ipoib: send creation parameters with send-only join requests

[Moni Shoua]

When IPoiB joins to a MC group as send only it doesn't send creation parameters
to the SM and if the group does not exis it won't be created. This is typical
when a gateway sperates ETH receivers from IPoIB senders.
This patch fixes bug #1153 in bugzilla.

Signed-off-by: Yossi Etigin <yosefe at voltaire.com>
Reviewd-by:    Moni Shoua   <monis at mellanox.com>

--

Index: b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
===================================================================
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c	2008-11-26 18:28:04.000000000 +0200
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c	2008-11-26 18:30:41.000000000 +0200
@@ -325,6 +325,7 @@ static int ipoib_mcast_sendonly_join(str
 		.join_state = 1
 #endif
 	};
+	ib_sa_comp_mask comp_mask;
 	int ret = 0;
 
 	if (!test_bit(IPOIB_FLAG_OPER_UP, &priv->flags)) {
@@ -341,12 +342,38 @@ static int ipoib_mcast_sendonly_join(str
 	rec.port_gid = priv->local_gid;
 	rec.pkey     = cpu_to_be16(priv->pkey);
 
+	comp_mask =
+		IB_SA_MCMEMBER_REC_MGID		|
+		IB_SA_MCMEMBER_REC_PORT_GID	|
+		IB_SA_MCMEMBER_REC_PKEY		|
+		IB_SA_MCMEMBER_REC_JOIN_STATE;
+
+	if (priv->broadcast) {
+		comp_mask |=
+			IB_SA_MCMEMBER_REC_QKEY			|
+			IB_SA_MCMEMBER_REC_MTU_SELECTOR		|
+			IB_SA_MCMEMBER_REC_MTU			|
+			IB_SA_MCMEMBER_REC_TRAFFIC_CLASS	|
+			IB_SA_MCMEMBER_REC_RATE_SELECTOR	|
+			IB_SA_MCMEMBER_REC_RATE			|
+			IB_SA_MCMEMBER_REC_SL			|
+			IB_SA_MCMEMBER_REC_FLOW_LABEL		|
+			IB_SA_MCMEMBER_REC_HOP_LIMIT;
+
+		rec.qkey	  = priv->broadcast->mcmember.qkey;
+		rec.mtu_selector  = IB_SA_EQ;
+		rec.mtu		  = priv->broadcast->mcmember.mtu;
+		rec.traffic_class = priv->broadcast->mcmember.traffic_class;
+		rec.rate_selector = IB_SA_EQ;
+		rec.rate	  = priv->broadcast->mcmember.rate;
+		rec.sl		  = priv->broadcast->mcmember.sl;
+		rec.flow_label	  = priv->broadcast->mcmember.flow_label;
+		rec.hop_limit	  = priv->broadcast->mcmember.hop_limit;
+	}
+
 	mcast->mc = ib_sa_join_multicast(&ipoib_sa_client, priv->ca,
 					 priv->port, &rec,
-					 IB_SA_MCMEMBER_REC_MGID	|
-					 IB_SA_MCMEMBER_REC_PORT_GID	|
-					 IB_SA_MCMEMBER_REC_PKEY	|
-					 IB_SA_MCMEMBER_REC_JOIN_STATE,
+					 comp_mask,
 					 GFP_ATOMIC,
 					 ipoib_mcast_sendonly_join_complete,
 					 mcast);