41 	struct rxe_mc_grp *grp;  in rxe_mcast_get_grp()  local
48 	grp = rxe_pool_get_key(&rxe->mc_grp_pool, mgid);  in rxe_mcast_get_grp()
49 	if (grp)  in rxe_mcast_get_grp()
52 	grp = rxe_alloc(&rxe->mc_grp_pool);  in rxe_mcast_get_grp()
53 	if (!grp) {  in rxe_mcast_get_grp()
58 	INIT_LIST_HEAD(&grp->qp_list);  in rxe_mcast_get_grp()
59 	spin_lock_init(&grp->mcg_lock);  in rxe_mcast_get_grp()
60 	grp->rxe = rxe;  in rxe_mcast_get_grp()
62 	rxe_add_key(grp, mgid);  in rxe_mcast_get_grp()
69 	*grp_p = grp;  in rxe_mcast_get_grp()
73 	rxe_drop_ref(grp);  in rxe_mcast_get_grp()
79 			   struct rxe_mc_grp *grp)  in rxe_mcast_add_grp_elem()  argument
86 	spin_lock_bh(&grp->mcg_lock);  in rxe_mcast_add_grp_elem()
87 	list_for_each_entry(elem, &grp->qp_list, qp_list) {  in rxe_mcast_add_grp_elem()
94 	if (grp->num_qp >= rxe->attr.max_mcast_qp_attach) {  in rxe_mcast_add_grp_elem()
105 	/* each qp holds a ref on the grp */  in rxe_mcast_add_grp_elem()
106 	rxe_add_ref(grp);  in rxe_mcast_add_grp_elem()
108 	grp->num_qp++;  in rxe_mcast_add_grp_elem()
110 	elem->grp = grp;  in rxe_mcast_add_grp_elem()
112 	list_add(&elem->qp_list, &grp->qp_list);  in rxe_mcast_add_grp_elem()
117 	spin_unlock_bh(&grp->mcg_lock);  in rxe_mcast_add_grp_elem()
125 	struct rxe_mc_grp *grp;  in rxe_mcast_drop_grp_elem()  local
128 	grp = rxe_pool_get_key(&rxe->mc_grp_pool, mgid);  in rxe_mcast_drop_grp_elem()
129 	if (!grp)  in rxe_mcast_drop_grp_elem()
133 	spin_lock_bh(&grp->mcg_lock);  in rxe_mcast_drop_grp_elem()
135 	list_for_each_entry_safe(elem, tmp, &grp->qp_list, qp_list) {  in rxe_mcast_drop_grp_elem()
139 			grp->num_qp--;  in rxe_mcast_drop_grp_elem()
141 			spin_unlock_bh(&grp->mcg_lock);  in rxe_mcast_drop_grp_elem()
144 			rxe_drop_ref(grp);	/* ref held by QP */  in rxe_mcast_drop_grp_elem()
145 			rxe_drop_ref(grp);	/* ref from get_key */  in rxe_mcast_drop_grp_elem()
150 	spin_unlock_bh(&grp->mcg_lock);  in rxe_mcast_drop_grp_elem()
152 	rxe_drop_ref(grp);			/* ref from get_key */  in rxe_mcast_drop_grp_elem()
159 	struct rxe_mc_grp *grp;  in rxe_drop_all_mcast_groups()  local
173 		grp = elem->grp;  in rxe_drop_all_mcast_groups()
174 		spin_lock_bh(&grp->mcg_lock);  in rxe_drop_all_mcast_groups()
176 		grp->num_qp--;  in rxe_drop_all_mcast_groups()
177 		spin_unlock_bh(&grp->mcg_lock);  in rxe_drop_all_mcast_groups()
178 		rxe_drop_ref(grp);  in rxe_drop_all_mcast_groups()
185 	struct rxe_mc_grp *grp = container_of(arg, typeof(*grp), pelem);  in rxe_mc_cleanup()  local
186 	struct rxe_dev *rxe = grp->rxe;  in rxe_mc_cleanup()
188 	rxe_drop_key(grp);  in rxe_mc_cleanup()
189 	rxe_mcast_delete(rxe, &grp->mgid);  in rxe_mc_cleanup()