283 	struct flow_filter *f;  in flow_classify()  local
289 	list_for_each_entry_rcu(f, &head->filters, list) {  in flow_classify()
293 		if (!tcf_em_tree_match(skb, &f->ematches, NULL))  in flow_classify()
296 		keymask = f->keymask;  in flow_classify()
300 		for (n = 0; n < f->nkeys; n++) {  in flow_classify()
306 		if (f->mode == FLOW_MODE_HASH)  in flow_classify()
307 			classid = jhash2(keys, f->nkeys, f->hashrnd);  in flow_classify()
310 			classid = (classid & f->mask) ^ f->xor;  in flow_classify()
311 			classid = (classid >> f->rshift) + f->addend;  in flow_classify()
314 		if (f->divisor)  in flow_classify()
315 			classid %= f->divisor;  in flow_classify()
318 		res->classid = TC_H_MAKE(f->baseclass, f->baseclass + classid);  in flow_classify()
320 		r = tcf_exts_exec(skb, &f->exts, res);  in flow_classify()
330 	struct flow_filter *f = (struct flow_filter *)arg;  in flow_perturbation()  local
332 	get_random_bytes(&f->hashrnd, 4);  in flow_perturbation()
333 	if (f->perturb_period)  in flow_perturbation()
334 		mod_timer(&f->perturb_timer, jiffies + f->perturb_period);  in flow_perturbation()
354 	struct flow_filter *f = container_of(head, struct flow_filter, rcu);  in flow_destroy_filter()  local
356 	del_timer_sync(&f->perturb_timer);  in flow_destroy_filter()
357 	tcf_exts_destroy(&f->exts);  in flow_destroy_filter()
358 	tcf_em_tree_destroy(&f->ematches);  in flow_destroy_filter()
359 	kfree(f);  in flow_destroy_filter()
542 	struct flow_filter *f = (struct flow_filter *)arg;  in flow_delete()  local
544 	list_del_rcu(&f->list);  in flow_delete()
545 	call_rcu(&f->rcu, flow_destroy_filter);  in flow_delete()
564 	struct flow_filter *f, *next;  in flow_destroy()  local
569 	list_for_each_entry_safe(f, next, &head->filters, list) {  in flow_destroy()
570 		list_del_rcu(&f->list);  in flow_destroy()
571 		call_rcu(&f->rcu, flow_destroy_filter);  in flow_destroy()
581 	struct flow_filter *f;  in flow_get()  local
583 	list_for_each_entry(f, &head->filters, list)  in flow_get()
584 		if (f->handle == handle)  in flow_get()
585 			return (unsigned long)f;  in flow_get()
592 	struct flow_filter *f = (struct flow_filter *)fh;  in flow_dump()  local
595 	if (f == NULL)  in flow_dump()
598 	t->tcm_handle = f->handle;  in flow_dump()
604 	if (nla_put_u32(skb, TCA_FLOW_KEYS, f->keymask) ||  in flow_dump()
605 	    nla_put_u32(skb, TCA_FLOW_MODE, f->mode))  in flow_dump()
608 	if (f->mask != ~0 || f->xor != 0) {  in flow_dump()
609 		if (nla_put_u32(skb, TCA_FLOW_MASK, f->mask) ||  in flow_dump()
610 		    nla_put_u32(skb, TCA_FLOW_XOR, f->xor))  in flow_dump()
613 	if (f->rshift &&  in flow_dump()
614 	    nla_put_u32(skb, TCA_FLOW_RSHIFT, f->rshift))  in flow_dump()
616 	if (f->addend &&  in flow_dump()
617 	    nla_put_u32(skb, TCA_FLOW_ADDEND, f->addend))  in flow_dump()
620 	if (f->divisor &&  in flow_dump()
621 	    nla_put_u32(skb, TCA_FLOW_DIVISOR, f->divisor))  in flow_dump()
623 	if (f->baseclass &&  in flow_dump()
624 	    nla_put_u32(skb, TCA_FLOW_BASECLASS, f->baseclass))  in flow_dump()
627 	if (f->perturb_period &&  in flow_dump()
628 	    nla_put_u32(skb, TCA_FLOW_PERTURB, f->perturb_period / HZ))  in flow_dump()
631 	if (tcf_exts_dump(skb, &f->exts) < 0)  in flow_dump()
634 	if (f->ematches.hdr.nmatches &&  in flow_dump()
635 	    tcf_em_tree_dump(skb, &f->ematches, TCA_FLOW_EMATCHES) < 0)  in flow_dump()
640 	if (tcf_exts_dump_stats(skb, &f->exts) < 0)  in flow_dump()
653 	struct flow_filter *f;  in flow_walk()  local
655 	list_for_each_entry(f, &head->filters, list) {  in flow_walk()
658 		if (arg->fn(tp, (unsigned long)f, arg) < 0) {  in flow_walk()