net/sched/sch_api.c

486 	struct qdisc_size_table *stab;
517 	list_for_each_entry(stab, &qdisc_stab_list, list) {
518 		if (memcmp(&stab->szopts, s, sizeof(*s)))
521 		    memcmp(stab->data, tab, flex_array_size(stab, data, tsize)))
523 		stab->refcnt++;
524 		return stab;
533 	stab = kmalloc(struct_size(stab, data, tsize), GFP_KERNEL);
534 	if (!stab)
537 	stab->refcnt = 1;
538 	stab->szopts = *s;
540 		memcpy(stab->data, tab, flex_array_size(stab, data, tsize));
542 	list_add_tail(&stab->list, &qdisc_stab_list);
544 	return stab;
559 static int qdisc_dump_stab(struct sk_buff *skb, struct qdisc_size_table *stab)
566 	if (nla_put(skb, TCA_STAB_BASE, sizeof(stab->szopts), &stab->szopts))
577 			       const struct qdisc_size_table *stab)
581 	pkt_len = skb->len + stab->szopts.overhead;
582 	if (unlikely(!stab->szopts.tsize))
585 	slot = pkt_len + stab->szopts.cell_align;
589 	slot >>= stab->szopts.cell_log;
590 	if (likely(slot < stab->szopts.tsize))
591 		pkt_len = stab->data[slot];
593 		pkt_len = stab->data[stab->szopts.tsize - 1] *
594 				(slot / stab->szopts.tsize) +
595 				stab->data[slot % stab->szopts.tsize];
597 	pkt_len <<= stab->szopts.size_log;
908 	struct qdisc_size_table *stab;
944 	stab = rtnl_dereference(q->stab);
945 	if (stab && qdisc_dump_stab(skb, stab) < 0)
1192 		    rcu_access_pointer(new->stab)) {
1254 	struct qdisc_size_table *stab;
1310 		stab = qdisc_get_stab(tca[TCA_STAB], extack);
1311 		if (IS_ERR(stab)) {
1312 			err = PTR_ERR(stab);
1315 		rcu_assign_pointer(sch->stab, stab);
1354 	qdisc_put_stab(rtnl_dereference(sch->stab));
1369 	struct qdisc_size_table *ostab, *stab = NULL;
1387 		stab = qdisc_get_stab(tca[TCA_STAB], extack);
1388 		if (IS_ERR(stab))
1389 			return PTR_ERR(stab);
1392 	ostab = rtnl_dereference(sch->stab);
1393 	rcu_assign_pointer(sch->stab, stab);