16 	struct rxe_mc_grp *grp;  in create_grp()  local
18 	grp = rxe_alloc_locked(&rxe->mc_grp_pool);  in create_grp()
19 	if (!grp)  in create_grp()
22 	INIT_LIST_HEAD(&grp->qp_list);  in create_grp()
23 	spin_lock_init(&grp->mcg_lock);  in create_grp()
24 	grp->rxe = rxe;  in create_grp()
25 	rxe_add_key_locked(grp, mgid);  in create_grp()
29 		rxe_drop_key_locked(grp);  in create_grp()
30 		rxe_drop_ref(grp);  in create_grp()
34 	return grp;  in create_grp()
41 	struct rxe_mc_grp *grp;  in rxe_mcast_get_grp()  local
50 	grp = rxe_pool_get_key_locked(pool, mgid);  in rxe_mcast_get_grp()
51 	if (grp)  in rxe_mcast_get_grp()
54 	grp = create_grp(rxe, pool, mgid);  in rxe_mcast_get_grp()
55 	if (IS_ERR(grp)) {  in rxe_mcast_get_grp()
57 		err = PTR_ERR(grp);  in rxe_mcast_get_grp()
63 	*grp_p = grp;  in rxe_mcast_get_grp()
68 			   struct rxe_mc_grp *grp)  in rxe_mcast_add_grp_elem()  argument
75 	spin_lock_bh(&grp->mcg_lock);  in rxe_mcast_add_grp_elem()
76 	list_for_each_entry(elem, &grp->qp_list, qp_list) {  in rxe_mcast_add_grp_elem()
83 	if (grp->num_qp >= rxe->attr.max_mcast_qp_attach) {  in rxe_mcast_add_grp_elem()
95 	rxe_add_ref(grp);  in rxe_mcast_add_grp_elem()
97 	grp->num_qp++;  in rxe_mcast_add_grp_elem()
99 	elem->grp = grp;  in rxe_mcast_add_grp_elem()
101 	list_add(&elem->qp_list, &grp->qp_list);  in rxe_mcast_add_grp_elem()
106 	spin_unlock_bh(&grp->mcg_lock);  in rxe_mcast_add_grp_elem()
114 	struct rxe_mc_grp *grp;  in rxe_mcast_drop_grp_elem()  local
117 	grp = rxe_pool_get_key(&rxe->mc_grp_pool, mgid);  in rxe_mcast_drop_grp_elem()
118 	if (!grp)  in rxe_mcast_drop_grp_elem()
122 	spin_lock_bh(&grp->mcg_lock);  in rxe_mcast_drop_grp_elem()
124 	list_for_each_entry_safe(elem, tmp, &grp->qp_list, qp_list) {  in rxe_mcast_drop_grp_elem()
128 			grp->num_qp--;  in rxe_mcast_drop_grp_elem()
130 			spin_unlock_bh(&grp->mcg_lock);  in rxe_mcast_drop_grp_elem()
133 			rxe_drop_ref(grp);	/* ref held by QP */  in rxe_mcast_drop_grp_elem()
134 			rxe_drop_ref(grp);	/* ref from get_key */  in rxe_mcast_drop_grp_elem()
139 	spin_unlock_bh(&grp->mcg_lock);  in rxe_mcast_drop_grp_elem()
141 	rxe_drop_ref(grp);			/* ref from get_key */  in rxe_mcast_drop_grp_elem()
148 	struct rxe_mc_grp *grp;  in rxe_drop_all_mcast_groups()  local
162 		grp = elem->grp;  in rxe_drop_all_mcast_groups()
163 		spin_lock_bh(&grp->mcg_lock);  in rxe_drop_all_mcast_groups()
165 		grp->num_qp--;  in rxe_drop_all_mcast_groups()
166 		spin_unlock_bh(&grp->mcg_lock);  in rxe_drop_all_mcast_groups()
167 		rxe_drop_ref(grp);  in rxe_drop_all_mcast_groups()
174 	struct rxe_mc_grp *grp = container_of(arg, typeof(*grp), pelem);  in rxe_mc_cleanup()  local
175 	struct rxe_dev *rxe = grp->rxe;  in rxe_mc_cleanup()
177 	rxe_drop_key(grp);  in rxe_mc_cleanup()
178 	rxe_mcast_delete(rxe, &grp->mgid);  in rxe_mc_cleanup()