vlan: Don't store VLAN tag in cb

[linux-2.6-omap-h63xx.git] / include / linux / if_vlan.h

diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 93f5d9b0e9f9e807f3e11996f953342d444f3096..9e7b49b8062d64ec5456a0d5ab3b71e97f5f16b9 100644 (file)
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -105,17 +105,8 @@ static inline void vlan_group_set_device(struct vlan_group *vg,
        array[vlan_id % VLAN_GROUP_ARRAY_PART_LEN] = dev;
 }
 
-/* VLAN tx hw acceleration helpers. */
-struct vlan_skb_tx_cookie {
-       u32     magic;
-       u32     vlan_tag;
-};
-
-#define VLAN_TX_COOKIE_MAGIC   0x564c414e      /* "VLAN" in ascii. */
-#define VLAN_TX_SKB_CB(__skb)  ((struct vlan_skb_tx_cookie *)&((__skb)->cb[0]))
-#define vlan_tx_tag_present(__skb) \
-       (VLAN_TX_SKB_CB(__skb)->magic == VLAN_TX_COOKIE_MAGIC)
-#define vlan_tx_tag_get(__skb) (VLAN_TX_SKB_CB(__skb)->vlan_tag)
+#define vlan_tx_tag_present(__skb)     ((__skb)->vlan_tci)
+#define vlan_tx_tag_get(__skb)         ((__skb)->vlan_tci)
 
 #if defined(CONFIG_VLAN_8021Q) || defined(CONFIG_VLAN_8021Q_MODULE)
 extern struct net_device *vlan_dev_real_dev(const struct net_device *dev);
@@ -210,17 +201,12 @@ static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, u16 vlan_tci)
  * @skb: skbuff to tag
  * @vlan_tci: VLAN TCI to insert
  *
- * Puts the VLAN TCI in @skb->cb[] and lets the device do the rest
+ * Puts the VLAN TCI in @skb->vlan_tci and lets the device do the rest
  */
 static inline struct sk_buff *__vlan_hwaccel_put_tag(struct sk_buff *skb,
                                                     u16 vlan_tci)
 {
-       struct vlan_skb_tx_cookie *cookie;
-
-       cookie = VLAN_TX_SKB_CB(skb);
-       cookie->magic = VLAN_TX_COOKIE_MAGIC;
-       cookie->vlan_tag = vlan_tci;
-
+       skb->vlan_tci = vlan_tci;
        return skb;
 }
 
@@ -267,16 +253,13 @@ static inline int __vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci)
  * @skb: skbuff to query
  * @vlan_tci: buffer to store vlaue
  *
- * Returns error if @skb->cb[] is not set correctly
+ * Returns error if @skb->vlan_tci is not set correctly
  */
 static inline int __vlan_hwaccel_get_tag(const struct sk_buff *skb,
                                         u16 *vlan_tci)
 {
-       struct vlan_skb_tx_cookie *cookie;
-
-       cookie = VLAN_TX_SKB_CB(skb);
-       if (cookie->magic == VLAN_TX_COOKIE_MAGIC) {
-               *vlan_tci = cookie->vlan_tag;
+       if (vlan_tx_tag_present(skb)) {
+               *vlan_tci = skb->vlan_tci;
                return 0;
        } else {
                *vlan_tci = 0;