62 static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)  in vlan_eth_hdr()  argument
64 	return (struct vlan_ethhdr *)skb_mac_header(skb);  in vlan_eth_hdr()
96 extern bool vlan_do_receive(struct sk_buff **skb);
97 extern struct sk_buff *vlan_untag(struct sk_buff *skb);
125 static inline bool vlan_do_receive(struct sk_buff **skb)  in vlan_do_receive()  argument
130 static inline struct sk_buff *vlan_untag(struct sk_buff *skb)  in vlan_untag()  argument
132 	return skb;  in vlan_untag()
169 static inline struct sk_buff *vlan_insert_tag(struct sk_buff *skb, u16 vlan_tci)  in vlan_insert_tag()  argument
173 	if (skb_cow_head(skb, VLAN_HLEN) < 0) {  in vlan_insert_tag()
174 		kfree_skb(skb);  in vlan_insert_tag()
177 	veth = (struct vlan_ethhdr *)skb_push(skb, VLAN_HLEN);  in vlan_insert_tag()
180 	memmove(skb->data, skb->data + VLAN_HLEN, 2 * ETH_ALEN);  in vlan_insert_tag()
181 	skb->mac_header -= VLAN_HLEN;  in vlan_insert_tag()
189 	return skb;  in vlan_insert_tag()
203 static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, u16 vlan_tci)  in __vlan_put_tag()  argument
205 	skb = vlan_insert_tag(skb, vlan_tci);  in __vlan_put_tag()
206 	if (skb)  in __vlan_put_tag()
207 		skb->protocol = htons(ETH_P_8021Q);  in __vlan_put_tag()
208 	return skb;  in __vlan_put_tag()
218 static inline struct sk_buff *__vlan_hwaccel_put_tag(struct sk_buff *skb,  in __vlan_hwaccel_put_tag()  argument
221 	skb->vlan_tci = VLAN_TAG_PRESENT | vlan_tci;  in __vlan_hwaccel_put_tag()
222 	return skb;  in __vlan_hwaccel_put_tag()
235 static inline struct sk_buff *vlan_put_tag(struct sk_buff *skb, u16 vlan_tci)  in vlan_put_tag()  argument
237 	if (skb->dev->features & NETIF_F_HW_VLAN_TX) {  in vlan_put_tag()
238 		return __vlan_hwaccel_put_tag(skb, vlan_tci);  in vlan_put_tag()
240 		return __vlan_put_tag(skb, vlan_tci);  in vlan_put_tag()
251 static inline int __vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci)  in __vlan_get_tag()  argument
253 	struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb->data;  in __vlan_get_tag()
270 static inline int __vlan_hwaccel_get_tag(const struct sk_buff *skb,  in __vlan_hwaccel_get_tag()  argument
273 	if (vlan_tx_tag_present(skb)) {  in __vlan_hwaccel_get_tag()
274 		*vlan_tci = vlan_tx_tag_get(skb);  in __vlan_hwaccel_get_tag()
291 static inline int vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci)  in vlan_get_tag()  argument
293 	if (skb->dev->features & NETIF_F_HW_VLAN_TX) {  in vlan_get_tag()
294 		return __vlan_hwaccel_get_tag(skb, vlan_tci);  in vlan_get_tag()
296 		return __vlan_get_tag(skb, vlan_tci);  in vlan_get_tag()
307 static inline __be16 vlan_get_protocol(const struct sk_buff *skb)  in vlan_get_protocol()  argument
311 	if (vlan_tx_tag_present(skb) ||  in vlan_get_protocol()
312 	     skb->protocol != cpu_to_be16(ETH_P_8021Q))  in vlan_get_protocol()
313 		protocol = skb->protocol;  in vlan_get_protocol()
316 		protop = skb_header_pointer(skb, offsetof(struct vlan_ethhdr,  in vlan_get_protocol()
326 static inline void vlan_set_encap_proto(struct sk_buff *skb,  in vlan_set_encap_proto()  argument
339 		skb->protocol = proto;  in vlan_set_encap_proto()
352 		skb->protocol = htons(ETH_P_802_3);  in vlan_set_encap_proto()
357 		skb->protocol = htons(ETH_P_802_2);  in vlan_set_encap_proto()