61 static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)  in vlan_eth_hdr()  argument
63 	return (struct vlan_ethhdr *)skb_mac_header(skb);  in vlan_eth_hdr()
189 extern bool vlan_do_receive(struct sk_buff **skb);
238 static inline bool vlan_do_receive(struct sk_buff **skb)  in vlan_do_receive()  argument
295 static inline int __vlan_insert_tag(struct sk_buff *skb,  in __vlan_insert_tag()  argument
300 	if (skb_cow_head(skb, VLAN_HLEN) < 0)  in __vlan_insert_tag()
303 	veth = (struct vlan_ethhdr *)skb_push(skb, VLAN_HLEN);  in __vlan_insert_tag()
306 	memmove(skb->data, skb->data + VLAN_HLEN, 2 * ETH_ALEN);  in __vlan_insert_tag()
307 	skb->mac_header -= VLAN_HLEN;  in __vlan_insert_tag()
332 static inline struct sk_buff *vlan_insert_tag(struct sk_buff *skb,  in vlan_insert_tag()  argument
337 	err = __vlan_insert_tag(skb, vlan_proto, vlan_tci);  in vlan_insert_tag()
339 		dev_kfree_skb_any(skb);  in vlan_insert_tag()
342 	return skb;  in vlan_insert_tag()
357 static inline struct sk_buff *vlan_insert_tag_set_proto(struct sk_buff *skb,  in vlan_insert_tag_set_proto()  argument
361 	skb = vlan_insert_tag(skb, vlan_proto, vlan_tci);  in vlan_insert_tag_set_proto()
362 	if (skb)  in vlan_insert_tag_set_proto()
363 		skb->protocol = vlan_proto;  in vlan_insert_tag_set_proto()
364 	return skb;  in vlan_insert_tag_set_proto()
376 static inline struct sk_buff *__vlan_hwaccel_push_inside(struct sk_buff *skb)  in __vlan_hwaccel_push_inside()  argument
378 	skb = vlan_insert_tag_set_proto(skb, skb->vlan_proto,  in __vlan_hwaccel_push_inside()
379 					skb_vlan_tag_get(skb));  in __vlan_hwaccel_push_inside()
380 	if (likely(skb))  in __vlan_hwaccel_push_inside()
381 		skb->vlan_tci = 0;  in __vlan_hwaccel_push_inside()
382 	return skb;  in __vlan_hwaccel_push_inside()
394 static inline struct sk_buff *vlan_hwaccel_push_inside(struct sk_buff *skb)  in vlan_hwaccel_push_inside()  argument
396 	if (skb_vlan_tag_present(skb))  in vlan_hwaccel_push_inside()
397 		skb = __vlan_hwaccel_push_inside(skb);  in vlan_hwaccel_push_inside()
398 	return skb;  in vlan_hwaccel_push_inside()
409 static inline void __vlan_hwaccel_put_tag(struct sk_buff *skb,  in __vlan_hwaccel_put_tag()  argument
412 	skb->vlan_proto = vlan_proto;  in __vlan_hwaccel_put_tag()
413 	skb->vlan_tci = VLAN_TAG_PRESENT | vlan_tci;  in __vlan_hwaccel_put_tag()
423 static inline int __vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci)  in __vlan_get_tag()  argument
425 	struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb->data;  in __vlan_get_tag()
442 static inline int __vlan_hwaccel_get_tag(const struct sk_buff *skb,  in __vlan_hwaccel_get_tag()  argument
445 	if (skb_vlan_tag_present(skb)) {  in __vlan_hwaccel_get_tag()
446 		*vlan_tci = skb_vlan_tag_get(skb);  in __vlan_hwaccel_get_tag()
463 static inline int vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci)  in vlan_get_tag()  argument
465 	if (skb->dev->features & NETIF_F_HW_VLAN_CTAG_TX) {  in vlan_get_tag()
466 		return __vlan_hwaccel_get_tag(skb, vlan_tci);  in vlan_get_tag()
468 		return __vlan_get_tag(skb, vlan_tci);  in vlan_get_tag()
481 static inline __be16 __vlan_get_protocol(struct sk_buff *skb, __be16 type,  in __vlan_get_protocol()  argument
484 	unsigned int vlan_depth = skb->mac_len;  in __vlan_get_protocol()
501 			if (unlikely(!pskb_may_pull(skb,  in __vlan_get_protocol()
505 			vh = (struct vlan_hdr *)(skb->data + vlan_depth);  in __vlan_get_protocol()
525 static inline __be16 vlan_get_protocol(struct sk_buff *skb)  in vlan_get_protocol()  argument
527 	return __vlan_get_protocol(skb, skb->protocol, NULL);  in vlan_get_protocol()
530 static inline void vlan_set_encap_proto(struct sk_buff *skb,  in vlan_set_encap_proto()  argument
543 		skb->protocol = proto;  in vlan_set_encap_proto()
556 		skb->protocol = htons(ETH_P_802_3);  in vlan_set_encap_proto()
561 		skb->protocol = htons(ETH_P_802_2);  in vlan_set_encap_proto()
571 static inline bool skb_vlan_tagged(const struct sk_buff *skb)  in skb_vlan_tagged()  argument
573 	if (!skb_vlan_tag_present(skb) &&  in skb_vlan_tagged()
574 	    likely(skb->protocol != htons(ETH_P_8021Q) &&  in skb_vlan_tagged()
575 		   skb->protocol != htons(ETH_P_8021AD)))  in skb_vlan_tagged()
588 static inline bool skb_vlan_tagged_multi(const struct sk_buff *skb)  in skb_vlan_tagged_multi()  argument
590 	__be16 protocol = skb->protocol;  in skb_vlan_tagged_multi()
592 	if (!skb_vlan_tag_present(skb)) {  in skb_vlan_tagged_multi()
599 		veh = (struct vlan_ethhdr *)skb->data;  in skb_vlan_tagged_multi()
616 static inline netdev_features_t vlan_features_check(const struct sk_buff *skb,  in vlan_features_check()  argument
619 	if (skb_vlan_tagged_multi(skb))  in vlan_features_check()