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#ifndef __MLX5E_ACCEL_H__
#define __MLX5E_ACCEL_H__
#ifdef CONFIG_MLX5_ACCEL
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include "en.h"
static inline bool is_metadata_hdr_valid(struct sk_buff *skb)
{
__be16 *ethtype;
if (unlikely(skb->len < ETH_HLEN + MLX5E_METADATA_ETHER_LEN))
return false;
ethtype = (__be16 *)(skb->data + ETH_ALEN * 2);
if (*ethtype != cpu_to_be16(MLX5E_METADATA_ETHER_TYPE))
return false;
return true;
}
static inline void remove_metadata_hdr(struct sk_buff *skb)
{
struct ethhdr *old_eth;
struct ethhdr *new_eth;
/* Remove the metadata from the buffer */
old_eth = (struct ethhdr *)skb->data;
new_eth = (struct ethhdr *)(skb->data + MLX5E_METADATA_ETHER_LEN);
memmove(new_eth, old_eth, 2 * ETH_ALEN);
/* Ethertype is already in its new place */
skb_pull_inline(skb, MLX5E_METADATA_ETHER_LEN);
}
#endif /* CONFIG_MLX5_ACCEL */
#endif /* __MLX5E_EN_ACCEL_H__ */
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