diff options
Diffstat (limited to 'include/net/macsec.h')
| -rw-r--r-- | include/net/macsec.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/include/net/macsec.h b/include/net/macsec.h new file mode 100644 index 00000000000..378aa412579 --- /dev/null +++ b/include/net/macsec.h @@ -0,0 +1,55 @@ +#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 |