netdev - is CONFIG_NET_CLS

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Date:	Mon, 23 Apr 2007 14:19:41 -0700
From:	"Laurent Chavey" <chavey@...gle.com>
To:	netdev@...r.kernel.org
Subject: is CONFIG_NET_CLS_ACT always set ?

if CONFIG_NET_CLS_ACT is not defined, then is the
code below correct ?


netif_receive_skb()
---------------------------
	list_for_each_entry_rcu(ptype, &ptype_all, list) {
		if (!ptype->dev || ptype->dev == skb->dev) {
			if (pt_prev)
				ret = deliver_skb(skb, pt_prev);
			pt_prev = ptype;
		}
	}

#ifdef CONFIG_NET_CLS_ACT
	if (pt_prev) {
		ret = deliver_skb(skb, pt_prev);
		pt_prev = NULL; /* noone else should process this after*/
	} else {
		skb->tc_verd = SET_TC_OK2MUNGE(skb->tc_verd);
	}

	ret = ing_filter(skb);

	if (ret == TC_ACT_SHOT || (ret == TC_ACT_STOLEN)) {
		kfree_skb(skb);
		goto out;
	}

	skb->tc_verd = 0;
ncls:
#endif
handle_diverter(skb);

if (handle_bridge(&skb, &pt_prev, &ret))
	goto out;
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