C++ (Cpp) skb_vlan_pop示例

示例#1

文件： actions.c 项目： Seagate/SMR_FS-EXT4

static int pop_vlan(struct sk_buff *skb, struct sw_flow_key *key)
{
	int err;

	err = skb_vlan_pop(skb);
	if (skb_vlan_tag_present(skb))
		invalidate_flow_key(key);
	else
		key->eth.tci = 0;
	return err;
}

示例#2

文件： act_vlan.c 项目： Kotashira/seccamp2016sandbox

static int tcf_vlan(struct sk_buff *skb, const struct tc_action *a,
		    struct tcf_result *res)
{
	struct tcf_vlan *v = a->priv;
	int action;
	int err;

	spin_lock(&v->tcf_lock);
	v->tcf_tm.lastuse = jiffies;
	bstats_update(&v->tcf_bstats, skb);
	action = v->tcf_action;

	switch (v->tcfv_action) {
	case TCA_VLAN_ACT_POP:
		err = skb_vlan_pop(skb);
		if (err)
			goto drop;
		break;
	case TCA_VLAN_ACT_PUSH:
		err = skb_vlan_push(skb, v->tcfv_push_proto, v->tcfv_push_vid);
		if (err)
			goto drop;
		break;
	default:
		BUG();
	}

	goto unlock;

drop:
	action = TC_ACT_SHOT;
	v->tcf_qstats.drops++;
unlock:
	spin_unlock(&v->tcf_lock);
	return action;
}