Cross Reference: /external/kernel-headers/original/linux/if

Lines Matching defs:skb
61 static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)
63 	return (struct vlan_ethhdr *)skb_mac_header(skb);
120 extern int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
122 extern int vlan_hwaccel_do_receive(struct sk_buff *skb);
125 		 unsigned int vlan_tci, struct sk_buff *skb);
143 static inline int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
150 static inline int vlan_hwaccel_do_receive(struct sk_buff *skb)
157 		 unsigned int vlan_tci, struct sk_buff *skb)
172  * @skb: buffer
176 static inline int vlan_hwaccel_rx(struct sk_buff *skb,
180 	return __vlan_hwaccel_rx(skb, grp, vlan_tci, 0);
185  * @skb: buffer
189 static inline int vlan_hwaccel_receive_skb(struct sk_buff *skb,
193 	return __vlan_hwaccel_rx(skb, grp, vlan_tci, 1);
198  * @skb: skbuff to tag
201  * Inserts the VLAN tag into @skb as part of the payload
202  * Returns a VLAN tagged skb. If a new skb is created, @skb is freed.
205  * doesn't have to worry about freeing the original skb.
207 static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, u16 vlan_tci)
211 	if (skb_cow_head(skb, VLAN_HLEN) < 0) {
212 		kfree_skb(skb);
215 	veth = (struct vlan_ethhdr *)skb_push(skb, VLAN_HLEN);
218 	memmove(skb->data, skb->data + VLAN_HLEN, 2 * VLAN_ETH_ALEN);
219 	skb->mac_header -= VLAN_HLEN;
227 	skb->protocol = htons(ETH_P_8021Q);
229 	return skb;
234  * @skb: skbuff to tag
237  * Puts the VLAN TCI in @skb->vlan_tci and lets the device do the rest
239 static inline struct sk_buff *__vlan_hwaccel_put_tag(struct sk_buff *skb,
242 	skb->vlan_tci = VLAN_TAG_PRESENT | vlan_tci;
243 	return skb;
250  * @skb: skbuff to tag
253  * Assumes skb->dev is the target that will xmit this frame.
254  * Returns a VLAN tagged skb.
256 static inline struct sk_buff *vlan_put_tag(struct sk_buff *skb, u16 vlan_tci)
258 	if (skb->dev->features & NETIF_F_HW_VLAN_TX) {
259 		return __vlan_hwaccel_put_tag(skb, vlan_tci);
261 		return __vlan_put_tag(skb, vlan_tci);
267  * @skb: skbuff to query
270  * Returns error if the skb is not of VLAN type
272 static inline int __vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci)
274 	struct vlan_ethhdr *veth = (struct vlan_ethhdr *)skb->data;
285  * __vlan_hwaccel_get_tag - get the VLAN ID that is in @skb->cb[]
286  * @skb: skbuff to query
289  * Returns error if @skb->vlan_tci is not set correctly
291 static inline int __vlan_hwaccel_get_tag(const struct sk_buff *skb,
294 	if (vlan_tx_tag_present(skb)) {
295 		*vlan_tci = vlan_tx_tag_get(skb);
306  * vlan_get_tag - get the VLAN ID from the skb
307  * @skb: skbuff to query
310  * Returns error if the skb is not VLAN tagged
312 static inline int vlan_get_tag(const struct sk_buff *skb, u16 *vlan_tci)
314 	if (skb->dev->features & NETIF_F_HW_VLAN_TX) {
315 		return __vlan_hwaccel_get_tag(skb, vlan_tci);
317 		return __vlan_get_tag(skb, vlan_tci);