IB/qib: Use rdmavt lid defines in qib

Original patch for AH changes from Kamal Heib <kamalh@mellanox.com>, split
apart from original. This patch also removes the qib specific multicast
lid base and permissive lid defines since they are no longer needed.

Use common LID defines in qib driver.
Reviewed-by: NIra Weiny <ira.weiny@intel.com>
Signed-off-by: NKamal Heib <kamalh@mellanox.com>
Signed-off-by: NDennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

drivers/infiniband/hw/qib/qib_common.h

@@ -742,14 +742,12 @@ struct qib_tid_session_member {
 #define SIZE_OF_CRC 1
 
 #define QIB_DEFAULT_P_KEY 0xFFFF
-#define QIB_PERMISSIVE_LID 0xFFFF
 #define QIB_AETH_CREDIT_SHIFT 24
 #define QIB_AETH_CREDIT_MASK 0x1F
 #define QIB_AETH_CREDIT_INVAL 0x1F
 #define QIB_PSN_MASK 0xFFFFFF
 #define QIB_MSN_MASK 0xFFFFFF
 #define QIB_QPN_MASK 0xFFFFFF
-#define QIB_MULTICAST_LID_BASE 0xC000
 #define QIB_EAGER_TID_ID QLOGIC_IB_I_TID_MASK
 #define QIB_MULTICAST_QPN 0xFFFFFF
 

drivers/infiniband/hw/qib/qib_qp.c

@@ -35,6 +35,7 @@
 #include <linux/err.h>
 #include <linux/vmalloc.h>
 #include <linux/jhash.h>
+#include <rdma/rdma_vt.h>
 #ifdef CONFIG_DEBUG_FS
 #include <linux/seq_file.h>
 #endif

drivers/infiniband/hw/qib/qib_verbs.c

@@ -1759,8 +1759,8 @@ static int qib_query_gid(struct ib_device *ibdev, u8 port,
 int qib_check_ah(struct ib_device *ibdev, struct ib_ah_attr *ah_attr)
 {
 	/* A multicast address requires a GRH (see ch. 8.4.1). */
-	if (ah_attr->dlid >= QIB_MULTICAST_LID_BASE &&
-	    ah_attr->dlid != QIB_PERMISSIVE_LID &&
+	if (ah_attr->dlid >= be16_to_cpu(IB_MULTICAST_LID_BASE) &&
+	    ah_attr->dlid != be16_to_cpu(IB_LID_PERMISSIVE) &&
 	    !(ah_attr->ah_flags & IB_AH_GRH))
 		goto bail;
 	if ((ah_attr->ah_flags & IB_AH_GRH) &&