marvell/prestera/prestera_router_hw.c

18  *   +------->|vr|<-+   +>|nh_grp|
55 				      struct prestera_nexthop_group *nh_grp);
58 				     struct prestera_nexthop_group *nh_grp);
361 	struct prestera_nexthop_group *nh_grp;
365 		nh_grp = nh_head->this;
366 		err = prestera_nexthop_group_set(sw, nh_grp);
396 	struct prestera_nexthop_group *nh_grp;
400 	nh_grp = kzalloc(sizeof(*nh_grp), GFP_KERNEL);
401 	if (!nh_grp)
404 	memcpy(&nh_grp->key, key, sizeof(*key));
406 		if (!prestera_nh_neigh_key_is_valid(&nh_grp->key.neigh[nh_cnt]))
410 						 &nh_grp->key.neigh[nh_cnt]);
414 		nh_grp->nh_neigh_head[nh_cnt].neigh = nh_neigh;
415 		nh_grp->nh_neigh_head[nh_cnt].this = nh_grp;
416 		list_add(&nh_grp->nh_neigh_head[nh_cnt].head,
420 	err = prestera_hw_nh_group_create(sw, nh_cnt, &nh_grp->grp_id);
424 	err = prestera_nexthop_group_set(sw, nh_grp);
429 				     &nh_grp->ht_node,
435 	gid = nh_grp->grp_id;
438 	return nh_grp;
442 	prestera_hw_nh_group_delete(sw, nh_cnt, nh_grp->grp_id);
446 		list_del(&nh_grp->nh_neigh_head[nh_cnt].head);
447 		prestera_nh_neigh_put(sw, nh_grp->nh_neigh_head[nh_cnt].neigh);
450 	kfree(nh_grp);
457 				 struct prestera_nexthop_group *nh_grp)
463 			       &nh_grp->ht_node,
467 		nh_neigh = nh_grp->nh_neigh_head[nh_cnt].neigh;
471 		list_del(&nh_grp->nh_neigh_head[nh_cnt].head);
475 	prestera_hw_nh_group_delete(sw, nh_cnt, nh_grp->grp_id);
476 	kfree(nh_grp);
483 	struct prestera_nexthop_group *nh_grp;
485 	nh_grp = rhashtable_lookup_fast(&sw->router->nexthop_group_ht,
487 	return nh_grp;
494 	struct prestera_nexthop_group *nh_grp;
496 	nh_grp = __prestera_nexthop_group_find(sw, key);
497 	if (nh_grp) {
498 		refcount_inc(&nh_grp->refcount);
500 		nh_grp = __prestera_nexthop_group_create(sw, key);
501 		if (!nh_grp)
504 		refcount_set(&nh_grp->refcount, 1);
507 	return nh_grp;
511 				       struct prestera_nexthop_group *nh_grp)
513 	if (refcount_dec_and_test(&nh_grp->refcount))
514 		__prestera_nexthop_group_destroy(sw, nh_grp);
519 				      struct prestera_nexthop_group *nh_grp)
527 		neigh = nh_grp->nh_neigh_head[nh_cnt].neigh;
534 	return prestera_hw_nh_entries_set(sw, nh_cnt, &info[0], nh_grp->grp_id);
539 				     struct prestera_nexthop_group *nh_grp)
543 	u32 gid = nh_grp->grp_id;
547 	 * Prevent situation, when we read state of nh_grp twice in short time,
555 			pr_err("Failed to get hw state nh_grp's");
588 		prestera_nexthop_group_put(sw, fib_node->info.nh_grp);
652 		fib_node->info.nh_grp = prestera_nexthop_group_get(sw,
654 		if (IS_ERR(fib_node->info.nh_grp))
657 		grp_id = fib_node->info.nh_grp->grp_id;
681 		prestera_nexthop_group_put(sw, fib_node->info.nh_grp);