diff options
Diffstat (limited to 'include/linux/if_vlan.h')
-rw-r--r-- | include/linux/if_vlan.h | 31 |
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; |