[infiniband] Centralise SMA and GMA queue constants

src/drivers/net/ipoib.c

 	memset ( &av, 0, sizeof ( av ) );
 	av.lid = ibdev->sm_lid;
 	av.sl = ibdev->sm_sl;
-	av.qpn = IB_SA_QPN;
-	av.qkey = IB_GLOBAL_QKEY;
+	av.qpn = IB_QPN_GMA;
+	av.qkey = IB_QKEY_GMA;
 
 	/* Post send request */
 	if ( ( rc = ib_post_send ( ibdev, ipoib->meta.qp, &av,
 	memset ( &av, 0, sizeof ( av ) );
 	av.lid = ibdev->sm_lid;
 	av.sl = ibdev->sm_sl;
-	av.qpn = IB_SA_QPN;
-	av.qkey = IB_GLOBAL_QKEY;
+	av.qpn = IB_QPN_GMA;
+	av.qkey = IB_QKEY_GMA;
 
 	/* Post send request */
 	if ( ( rc = ib_post_send ( ibdev, ipoib->meta.qp, &av,
 	av.gid_present = 1;
 	if ( dest->mac.qpn == htonl ( IPOIB_BROADCAST_QPN ) ) {
 		/* Broadcast */
-		av.qpn = IB_BROADCAST_QPN;
+		av.qpn = IB_QPN_BROADCAST;
 		av.lid = ipoib->broadcast_lid;
 		gid = &ipoib->broadcast_gid;
 	} else {
 				     IPOIB_META_NUM_CQES, &ipoib_meta_cq_op,
 				     IPOIB_META_NUM_SEND_WQES,
 				     IPOIB_META_NUM_RECV_WQES,
-				     IB_GLOBAL_QKEY ) ) != 0 ) {
+				     IB_QKEY_GMA ) ) != 0 ) {
 		DBGC ( ipoib, "IPoIB %p could not allocate metadata QP: %s\n",
 		       ipoib, strerror ( rc ) );
 		goto err_create_meta_qset;
 				     IPOIB_DATA_NUM_CQES, &ipoib_data_cq_op,
 				     IPOIB_DATA_NUM_SEND_WQES,
 				     IPOIB_DATA_NUM_RECV_WQES,
-				     IB_GLOBAL_QKEY ) ) != 0 ) {
+				     IB_QKEY_GMA ) ) != 0 ) {
 		DBGC ( ipoib, "IPoIB %p could not allocate data QP: %s\n",
 		       ipoib, strerror ( rc ) );
 		goto err_create_data_qset;

src/include/gpxe/ib_packet.h

 	BTH_OPCODE_UD_SEND = 0x64,
 };
 
-/** Default Infiniband partition key */
-#define IB_PKEY_NONE 0xffff
-
-/** Subnet management queue pair number */
-#define IB_QPN_SMP 0
-
 /** An Infiniband Datagram Extended Transport Header */
 struct ib_datagram_extended_transport_header {
 	/** Queue key */

src/include/gpxe/infiniband.h

 #include <gpxe/ib_packet.h>
 #include <gpxe/ib_mad.h>
 
-/** Subnet administrator QPN */
-#define IB_SA_QPN 1
+/** Subnet management QPN */
+#define IB_QPN_SMA 0
+
+/** Subnet management queue key */
+#define IB_QKEY_SMA 0
+
+/** General management QPN */
+#define IB_QPN_GMA 1
+
+/** General management queue key */
+#define IB_QKEY_GMA 0x80010000UL
 
 /** Broadcast QPN */
-#define IB_BROADCAST_QPN 0xffffffUL
+#define IB_QPN_BROADCAST 0xffffffUL
 
-/** Subnet administrator queue key */
-#define IB_GLOBAL_QKEY 0x80010000UL
+/** Default Infiniband partition key */
+#define IB_PKEY_NONE 0xffff
 
 /**
  * Maximum payload size

src/net/infiniband/ib_packet.c

 	lrh_len = ( payload_len + iob_len ( iobuf ) - orig_iob_len );
 
 	/* Construct LRH */
-	vl = ( ( av->qpn == IB_QPN_SMP ) ? IB_VL_SMP : IB_VL_DEFAULT );
+	vl = ( ( av->qpn == IB_QPN_SMA ) ? IB_VL_SMP : IB_VL_DEFAULT );
 	lrh->vl__lver = ( vl << 4 );
 	lnh = ( grh ? IB_LNH_GRH : IB_LNH_BTH );
 	lrh->sl__lnh = ( ( av->sl << 4 ) | lnh );

src/net/infiniband/ib_sma.c

 	ib_qp_set_ownerdata ( sma->qp, sma );
 
 	/* If we don't get QP0, we can't function */
-	if ( sma->qp->qpn != IB_QPN_SMP ) {
+	if ( sma->qp->qpn != IB_QPN_SMA ) {
 		DBGC ( sma, "SMA %p on QPN %lx, needs to be on QPN 0\n",
 		       sma, sma->qp->qpn );
 		rc = -ENOTSUP;