[1/2] RDMA/core: add support for iWarp multicast acceleration over IB_QPT_RAW_ETY QP type

Commit Message

Walukiewicz, Miroslaw April 30, 2010, 4:54 p.m. UTC

None

Patch

diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index a7da9be..b5023f2 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -887,9 +887,17 @@  int ib_attach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid)
 {
 	if (!qp->device->attach_mcast)
 		return -ENOSYS;
-	if (gid->raw[0] != 0xff || qp->qp_type != IB_QPT_UD)
-		return -EINVAL;
 
+	switch (qp->device->node_type) {
+	case RDMA_TRANSPORT_IB:
+		if (gid->raw[0] != 0xff || qp->qp_type != IB_QPT_UD)
+			return -EINVAL;
+		break;
+	case RDMA_TRANSPORT_IWARP:
+		if (qp->qp_type != IB_QPT_RAW_ETY)
+			return -EINVAL;
+		break;
+	}
 	return qp->device->attach_mcast(qp, gid, lid);
 }
 EXPORT_SYMBOL(ib_attach_mcast);
@@ -898,9 +906,17 @@  int ib_detach_mcast(struct ib_qp *qp, union ib_gid *gid, u16 lid)
 {
 	if (!qp->device->detach_mcast)
 		return -ENOSYS;
-	if (gid->raw[0] != 0xff || qp->qp_type != IB_QPT_UD)
-		return -EINVAL;
 
+	switch (qp->device->node_type) {
+	case RDMA_TRANSPORT_IB:
+		if (gid->raw[0] != 0xff || qp->qp_type != IB_QPT_UD)
+			return -EINVAL;
+		break;
+	case RDMA_TRANSPORT_IWARP:
+		if (qp->qp_type != IB_QPT_RAW_ETY)
+			return -EINVAL;
+		break;
+	}
 	return qp->device->detach_mcast(qp, gid, lid);
 }
 EXPORT_SYMBOL(ib_detach_mcast);