RDMA/rxe: Rename rxe_mc_grp and rxe_mc_elem

Rename rxe_mc_grp to rxe_mcg. Rename rxe_mc_elem to rxe_mca.
These can be read 'multicast group' and 'multicast attachment'.
'elem' collided with the use of elem in rxe pools and was a little
confusing.

Link: https://lore.kernel.org/r/20220127213755.31697-4-rpearsonhpe@gmail.comSigned-off-by: Bob Pearson <rpearsonhpe@gmail.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

drivers/infiniband/sw/rxe/rxe_mcast.c

@@ -26,12 +26,12 @@ static int rxe_mcast_delete(struct rxe_dev *rxe, union ib_gid *mgid)
 }
 
 /* caller should hold mc_grp_pool->pool_lock */
-static struct rxe_mc_grp *create_grp(struct rxe_dev *rxe,
+static struct rxe_mcg *create_grp(struct rxe_dev *rxe,
 				     struct rxe_pool *pool,
 				     union ib_gid *mgid)
 {
 	int err;
-	struct rxe_mc_grp *grp;
+	struct rxe_mcg *grp;
 
 	grp = rxe_alloc_locked(&rxe->mc_grp_pool);
 	if (!grp)
@@ -53,10 +53,10 @@ static struct rxe_mc_grp *create_grp(struct rxe_dev *rxe,
 }
 
 static int rxe_mcast_get_grp(struct rxe_dev *rxe, union ib_gid *mgid,
-			     struct rxe_mc_grp **grp_p)
+			     struct rxe_mcg **grp_p)
 {
 	int err;
-	struct rxe_mc_grp *grp;
+	struct rxe_mcg *grp;
 	struct rxe_pool *pool = &rxe->mc_grp_pool;
 
 	if (rxe->attr.max_mcast_qp_attach == 0)
@@ -82,10 +82,10 @@ static int rxe_mcast_get_grp(struct rxe_dev *rxe, union ib_gid *mgid,
 }
 
 static int rxe_mcast_add_grp_elem(struct rxe_dev *rxe, struct rxe_qp *qp,
-			   struct rxe_mc_grp *grp)
+			   struct rxe_mcg *grp)
 {
 	int err;
-	struct rxe_mc_elem *elem;
+	struct rxe_mca *elem;
 
 	/* check to see of the qp is already a member of the group */
 	spin_lock_bh(&qp->grp_lock);
@@ -128,8 +128,8 @@ static int rxe_mcast_add_grp_elem(struct rxe_dev *rxe, struct rxe_qp *qp,
 static int rxe_mcast_drop_grp_elem(struct rxe_dev *rxe, struct rxe_qp *qp,
 				   union ib_gid *mgid)
 {
-	struct rxe_mc_grp *grp;
-	struct rxe_mc_elem *elem, *tmp;
+	struct rxe_mcg *grp;
+	struct rxe_mca *elem, *tmp;
 
 	grp = rxe_pool_get_key(&rxe->mc_grp_pool, mgid);
 	if (!grp)
@@ -162,8 +162,8 @@ static int rxe_mcast_drop_grp_elem(struct rxe_dev *rxe, struct rxe_qp *qp,
 
 void rxe_drop_all_mcast_groups(struct rxe_qp *qp)
 {
-	struct rxe_mc_grp *grp;
-	struct rxe_mc_elem *elem;
+	struct rxe_mcg *grp;
+	struct rxe_mca *elem;
 
 	while (1) {
 		spin_lock_bh(&qp->grp_lock);
@@ -171,7 +171,7 @@ void rxe_drop_all_mcast_groups(struct rxe_qp *qp)
 			spin_unlock_bh(&qp->grp_lock);
 			break;
 		}
-		elem = list_first_entry(&qp->grp_list, struct rxe_mc_elem,
+		elem = list_first_entry(&qp->grp_list, struct rxe_mca,
 					grp_list);
 		list_del(&elem->grp_list);
 		spin_unlock_bh(&qp->grp_lock);
@@ -188,7 +188,7 @@ void rxe_drop_all_mcast_groups(struct rxe_qp *qp)
 
 void rxe_mc_cleanup(struct rxe_pool_elem *elem)
 {
-	struct rxe_mc_grp *grp = container_of(elem, typeof(*grp), elem);
+	struct rxe_mcg *grp = container_of(elem, typeof(*grp), elem);
 	struct rxe_dev *rxe = grp->rxe;
 
 	rxe_drop_key(grp);
@@ -200,7 +200,7 @@ int rxe_attach_mcast(struct ib_qp *ibqp, union ib_gid *mgid, u16 mlid)
 	int err;
 	struct rxe_dev *rxe = to_rdev(ibqp->device);
 	struct rxe_qp *qp = to_rqp(ibqp);
-	struct rxe_mc_grp *grp;
+	struct rxe_mcg *grp;
 
 	/* takes a ref on grp if successful */
 	err = rxe_mcast_get_grp(rxe, mgid, &grp);

drivers/infiniband/sw/rxe/rxe_pool.c

@@ -83,17 +83,17 @@ static const struct rxe_type_info {
 	},
 	[RXE_TYPE_MC_GRP] = {
 		.name		= "rxe-mc_grp",
-		.size		= sizeof(struct rxe_mc_grp),
-		.elem_offset	= offsetof(struct rxe_mc_grp, elem),
+		.size		= sizeof(struct rxe_mcg),
+		.elem_offset	= offsetof(struct rxe_mcg, elem),
 		.cleanup	= rxe_mc_cleanup,
 		.flags		= RXE_POOL_KEY,
-		.key_offset	= offsetof(struct rxe_mc_grp, mgid),
+		.key_offset	= offsetof(struct rxe_mcg, mgid),
 		.key_size	= sizeof(union ib_gid),
 	},
 	[RXE_TYPE_MC_ELEM] = {
 		.name		= "rxe-mc_elem",
-		.size		= sizeof(struct rxe_mc_elem),
-		.elem_offset	= offsetof(struct rxe_mc_elem, elem),
+		.size		= sizeof(struct rxe_mca),
+		.elem_offset	= offsetof(struct rxe_mca, elem),
 	},
 };
 

drivers/infiniband/sw/rxe/rxe_recv.c

@@ -233,8 +233,8 @@ static inline void rxe_rcv_pkt(struct rxe_pkt_info *pkt, struct sk_buff *skb)
 static void rxe_rcv_mcast_pkt(struct rxe_dev *rxe, struct sk_buff *skb)
 {
 	struct rxe_pkt_info *pkt = SKB_TO_PKT(skb);
-	struct rxe_mc_grp *mcg;
-	struct rxe_mc_elem *mce;
+	struct rxe_mcg *mcg;
+	struct rxe_mca *mce;
 	struct rxe_qp *qp;
 	union ib_gid dgid;
 	int err;

drivers/infiniband/sw/rxe/rxe_verbs.h

@@ -353,7 +353,7 @@ struct rxe_mw {
 	u64			length;
 };
 
-struct rxe_mc_grp {
+struct rxe_mcg {
 	struct rxe_pool_elem	elem;
 	spinlock_t		mcg_lock; /* guard group */
 	struct rxe_dev		*rxe;
@@ -364,12 +364,12 @@ struct rxe_mc_grp {
 	u16			pkey;
 };
 
-struct rxe_mc_elem {
+struct rxe_mca {
 	struct rxe_pool_elem	elem;
 	struct list_head	qp_list;
 	struct list_head	grp_list;
 	struct rxe_qp		*qp;
-	struct rxe_mc_grp	*grp;
+	struct rxe_mcg		*grp;
 };
 
 struct rxe_port {