summaryrefslogtreecommitdiff
path: root/include/linux/if_vlan.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/if_vlan.h')
-rw-r--r--include/linux/if_vlan.h31
1 files changed, 7 insertions, 24 deletions
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 93f5d9b0e9f9..9e7b49b8062d 100644
--- 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;