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