}
/**
- * __vlan_put_tag - regular VLAN tag inserting
+ * vlan_insert_tag_set_proto - regular VLAN tag inserting
* @skb: skbuff to tag
+ * @vlan_proto: VLAN encapsulation protocol
* @vlan_tci: VLAN TCI to insert
*
* Inserts the VLAN tag into @skb as part of the payload
* Following the skb_unshare() example, in case of error, the calling function
* doesn't have to worry about freeing the original skb.
*/
-static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb,
- __be16 vlan_proto, u16 vlan_tci)
+static inline struct sk_buff *vlan_insert_tag_set_proto(struct sk_buff *skb,
+ __be16 vlan_proto,
+ u16 vlan_tci)
{
skb = vlan_insert_tag(skb, vlan_proto, vlan_tci);
if (skb)
return skb;
}
-/**
- * __vlan_hwaccel_put_tag - hardware accelerated VLAN inserting
+/*
+ * __vlan_hwaccel_push_inside - pushes vlan tag to the payload
* @skb: skbuff to tag
- * @vlan_proto: VLAN encapsulation protocol
- * @vlan_tci: VLAN TCI to insert
*
- * Puts the VLAN TCI in @skb->vlan_tci and lets the device do the rest
+ * Pushes the VLAN tag from @skb->vlan_tci inside to the payload.
+ *
+ * Following the skb_unshare() example, in case of error, the calling function
+ * doesn't have to worry about freeing the original skb.
*/
-static inline struct sk_buff *__vlan_hwaccel_put_tag(struct sk_buff *skb,
- __be16 vlan_proto,
- u16 vlan_tci)
+static inline struct sk_buff *__vlan_hwaccel_push_inside(struct sk_buff *skb)
{
- skb->vlan_proto = vlan_proto;
- skb->vlan_tci = VLAN_TAG_PRESENT | vlan_tci;
+ skb = vlan_insert_tag_set_proto(skb, skb->vlan_proto,
+ vlan_tx_tag_get(skb));
+ if (likely(skb))
+ skb->vlan_tci = 0;
+ return skb;
+}
+/*
+ * vlan_hwaccel_push_inside - pushes vlan tag to the payload
+ * @skb: skbuff to tag
+ *
+ * Checks is tag is present in @skb->vlan_tci and if it is, it pushes the
+ * VLAN tag from @skb->vlan_tci inside to the payload.
+ *
+ * Following the skb_unshare() example, in case of error, the calling function
+ * doesn't have to worry about freeing the original skb.
+ */
+static inline struct sk_buff *vlan_hwaccel_push_inside(struct sk_buff *skb)
+{
+ if (vlan_tx_tag_present(skb))
+ skb = __vlan_hwaccel_push_inside(skb);
return skb;
}
/**
- * vlan_put_tag - inserts VLAN tag according to device features
+ * __vlan_hwaccel_put_tag - hardware accelerated VLAN inserting
* @skb: skbuff to tag
+ * @vlan_proto: VLAN encapsulation protocol
* @vlan_tci: VLAN TCI to insert
*
- * Assumes skb->dev is the target that will xmit this frame.
- * Returns a VLAN tagged skb.
+ * Puts the VLAN TCI in @skb->vlan_tci and lets the device do the rest
*/
-static inline struct sk_buff *vlan_put_tag(struct sk_buff *skb,
- __be16 vlan_proto, u16 vlan_tci)
+static inline void __vlan_hwaccel_put_tag(struct sk_buff *skb,
+ __be16 vlan_proto, u16 vlan_tci)
{
- if (vlan_hw_offload_capable(skb->dev->features, vlan_proto)) {
- return __vlan_hwaccel_put_tag(skb, vlan_proto, vlan_tci);
- } else {
- return __vlan_put_tag(skb, vlan_proto, vlan_tci);
- }
+ skb->vlan_proto = vlan_proto;
+ skb->vlan_tci = VLAN_TAG_PRESENT | vlan_tci;
}
/**