--- zzzz-none-000/linux-5.15.111/include/net/macsec.h	2023-05-11 14:00:40.000000000 +0000
+++ puma7-atom-6670-761/linux-5.15.111/include/net/macsec.h	2024-02-07 10:23:27.000000000 +0000
@@ -4,6 +4,12 @@
  *
  * Copyright (c) 2015 Sabrina Dubroca <sd@queasysnail.net>
  */
+
+/*
+* Includes Intel Corporation's changes dated: 2019.
+* Changed portions - Copyright 2019, Intel Corporation.
+*/
+
 #ifndef _NET_MACSEC_H_
 #define _NET_MACSEC_H_
 
@@ -288,6 +294,128 @@
 	int (*mdo_get_rx_sa_stats)(struct macsec_context *ctx);
 };
 
+#ifdef CONFIG_MACSEC_HW_OFFLOAD
+struct macsec_hw_driver {
+	int (*add_rxsc)(struct net_device *dev, struct macsec_secy *secy, struct nlattr **tb_rxsc);
+	int (*del_rxsc)(struct net_device *dev, struct macsec_secy *secy, struct nlattr **tb_rxsc);
+	int (*upd_rxsc)(struct net_device *dev, struct macsec_secy *secy, struct nlattr **tb_rxsc);
+	int (*add_txsa)(struct net_device *dev, struct macsec_secy *secy, struct nlattr **tb_sa);
+	int (*del_txsa)(struct net_device *dev, struct macsec_secy *secy, struct nlattr **tb_sa);
+	int (*upd_txsa)(struct net_device *dev, struct macsec_secy *secy, struct nlattr **tb_sa);
+	int (*add_rxsa)(struct net_device *dev, struct macsec_secy *secy, struct nlattr **tb_rxsc, struct nlattr **tb_sa);
+	int (*del_rxsa)(struct net_device *dev, struct macsec_secy *secy, struct nlattr **tb_rxsc, struct nlattr **tb_sa);
+	int (*upd_rxsa)(struct net_device *dev, struct macsec_secy *secy, struct nlattr **tb_rxsc, struct nlattr **tb_sa);
+	int (*dump)(struct net_device *dev, struct macsec_secy *secy);
+	int (*change_link)(struct net_device *dev, struct macsec_secy *secy);
+};
+
+#define MACSEC_SCI_LEN 8
+
+/* SecTAG length = macsec_eth_header without the optional SCI */
+#define MACSEC_TAG_LEN 6
+
+struct macsec_eth_header {
+	struct ethhdr eth;
+	/* SecTAG */
+	u8  tci_an;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+	u8  short_length:6,
+		  unused:2;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+	u8        unused:2,
+	    short_length:6;
+#else
+#error	"Please fix <asm/byteorder.h>"
+#endif
+	__be32 packet_number;
+	u8 secure_channel_id[8]; /* optional */
+} __packed;
+
+#define MACSEC_TCI_VERSION 0x80
+#define MACSEC_TCI_ES      0x40 /* end station */
+#define MACSEC_TCI_SC      0x20 /* SCI present */
+#define MACSEC_TCI_SCB     0x10 /* epon */
+#define MACSEC_TCI_E       0x08 /* encryption */
+#define MACSEC_TCI_C       0x04 /* changed text */
+#define MACSEC_AN_MASK     0x03 /* association number */
+#define MACSEC_TCI_CONFID  (MACSEC_TCI_E | MACSEC_TCI_C)
+
+/* minimum secure data length deemed "not short", see IEEE 802.1AE-2006 9.7 */
+#define MIN_NON_SHORT_LEN 48
+
+#define GCM_AES_IV_LEN 12
+#define DEFAULT_ICV_LEN 16
+
+#define MACSEC_NUM_AN 4 /* 2 bits for the association number */
+
+#define for_each_rxsc(secy, sc)			\
+	for (sc = rcu_dereference_bh(secy->rx_sc);	\
+	     sc;				\
+	     sc = rcu_dereference_bh(sc->next))
+#define for_each_rxsc_rtnl(secy, sc)			\
+	for (sc = rtnl_dereference(secy->rx_sc);	\
+	     sc;					\
+	     sc = rtnl_dereference(sc->next))
+
+#define pn_same_half(pn1, pn2) (!(((pn1) >> 31) ^ ((pn2) >> 31)))
+
+struct gcm_iv_xpn {
+	union {
+		u8 short_secure_channel_id[4];
+		ssci_t ssci;
+	};
+	__be64 pn;
+} __packed;
+
+struct gcm_iv {
+	union {
+		u8 secure_channel_id[8];
+		sci_t sci;
+	};
+	__be32 pn;
+};
+
+#define MACSEC_VALIDATE_DEFAULT MACSEC_VALIDATE_STRICT
+
+struct pcpu_secy_stats {
+	struct macsec_dev_stats stats;
+	struct u64_stats_sync syncp;
+};
+
+/**
+ * struct macsec_dev - private data
+ * @secy: SecY config
+ * @real_dev: pointer to underlying netdevice
+ * @stats: MACsec device stats
+ * @secys: linked list of SecY's on the underlying device
+ * @gro_cells: pointer to the Generic Receive Offload cell
+ * @offload: status of offloading on the MACsec device
+ */
+struct macsec_dev {
+	struct macsec_secy secy;
+	struct net_device *real_dev;
+	struct pcpu_secy_stats __percpu *stats;
+	struct list_head secys;
+	struct gro_cells gro_cells;
+	enum macsec_offload offload;
+#ifdef CONFIG_MACSEC_HW_OFFLOAD
+	bool hw_offload;
+#endif
+};
+
+/**
+ * struct macsec_rxh_data - rx_handler private argument
+ * @secys: linked list of SecY's on this underlying device
+ */
+struct macsec_rxh_data {
+	struct list_head secys;
+};
+
+struct macsec_dev *macsec_priv(const struct net_device *dev);
+int macsec_register_hw_driver(struct macsec_hw_driver * hw_driver);
+void macsec_unregister_hw_driver(void);
+bool is_macsec_master(struct net_device *dev);
+#endif
 void macsec_pn_wrapped(struct macsec_secy *secy, struct macsec_tx_sa *tx_sa);
 
 #endif /* _NET_MACSEC_H_ */