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#ifndef _NET_MACSEC_H
#define _NET_MACSEC_H
#include <linux/skbuff.h>
#define DEBUG_MACSEC
#ifdef DEBUG_MACSEC
# define MACSEC_DUMP_PKT print_hex_dump
#else
# define MACSEC_DUMP_PKT(arg...)
#endif
#define CONFIG_INET_MACSEC_NR_REQ_CACHE 1
struct crypto_aead;
struct macsec_dev_ctx
{
struct crypto_aead *aead;
#define MACSEC_NFRAGS_CACHE 4
#define MACSEC_REQ_CACHE_MAX 256
void *req_cache[MACSEC_REQ_CACHE_MAX];
atomic_t req_cache_cnt;
int req_cache_size;
int req_cache_head;
int req_cache_tail;
};
struct macsec_skb_cb {
void *req_ctx;
struct macsec_dev_ctx *ctx;
int flags;
};
struct macsec_hdr_t {
__be16 macsec_type;
unsigned int flags :8;
unsigned int short_len :8;
}__attribute__((packed));
struct macsec_ethhdr {
unsigned char h_dest[ETH_ALEN]; /* destination eth addr */
unsigned char h_source[ETH_ALEN]; /* source ether addr */
struct macsec_hdr_t hdr; /* Macsec Tag */
__be32 h_pn; /* Macsec Packet Number */
__be16 h_proto; /* Ethernet packet type ID field */
} __attribute__((packed));
extern void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len);
__be16 macsec_type_trans(struct sk_buff *skb);
extern int macsec_netif_receive_skb(struct sk_buff *skb, __be16 type);
extern int macsec_init_state(struct net_device *dev);
void macsec_destroy(struct net_device *dev);
#endif
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