1 #ifndef __MLX5E_ACCEL_H__
2 #define __MLX5E_ACCEL_H__
4 #ifdef CONFIG_MLX5_ACCEL
6 #include <linux/skbuff.h>
7 #include <linux/netdevice.h>
10 static inline bool is_metadata_hdr_valid(struct sk_buff *skb)
14 if (unlikely(skb->len < ETH_HLEN + MLX5E_METADATA_ETHER_LEN))
16 ethtype = (__be16 *)(skb->data + ETH_ALEN * 2);
17 if (*ethtype != cpu_to_be16(MLX5E_METADATA_ETHER_TYPE))
22 static inline void remove_metadata_hdr(struct sk_buff *skb)
24 struct ethhdr *old_eth;
25 struct ethhdr *new_eth;
27 /* Remove the metadata from the buffer */
28 old_eth = (struct ethhdr *)skb->data;
29 new_eth = (struct ethhdr *)(skb->data + MLX5E_METADATA_ETHER_LEN);
30 memmove(new_eth, old_eth, 2 * ETH_ALEN);
31 /* Ethertype is already in its new place */
32 skb_pull_inline(skb, MLX5E_METADATA_ETHER_LEN);
35 #endif /* CONFIG_MLX5_ACCEL */
37 #endif /* __MLX5E_EN_ACCEL_H__ */