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-rw-r--r--include/net/macsec.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/include/net/macsec.h b/include/net/macsec.h
index ebf9bc5403..de216cbc6b 100644
--- a/include/net/macsec.h
+++ b/include/net/macsec.h
@@ -247,6 +247,23 @@ struct macsec_secy {
/**
* struct macsec_context - MACsec context for hardware offloading
+ * @netdev: a valid pointer to a struct net_device if @offload ==
+ * MACSEC_OFFLOAD_MAC
+ * @phydev: a valid pointer to a struct phy_device if @offload ==
+ * MACSEC_OFFLOAD_PHY
+ * @offload: MACsec offload status
+ * @secy: pointer to a MACsec SecY
+ * @rx_sc: pointer to a RX SC
+ * @update_pn: when updating the SA, update the next PN
+ * @assoc_num: association number of the target SA
+ * @key: key of the target SA
+ * @rx_sa: pointer to an RX SA if a RX SA is added/updated/removed
+ * @tx_sa: pointer to an TX SA if a TX SA is added/updated/removed
+ * @tx_sc_stats: pointer to TX SC stats structure
+ * @tx_sa_stats: pointer to TX SA stats structure
+ * @rx_sc_stats: pointer to RX SC stats structure
+ * @rx_sa_stats: pointer to RX SA stats structure
+ * @dev_stats: pointer to dev stats structure
*/
struct macsec_context {
union {
@@ -277,6 +294,34 @@ struct macsec_context {
/**
* struct macsec_ops - MACsec offloading operations
+ * @mdo_dev_open: called when the MACsec interface transitions to the up state
+ * @mdo_dev_stop: called when the MACsec interface transitions to the down
+ * state
+ * @mdo_add_secy: called when a new SecY is added
+ * @mdo_upd_secy: called when the SecY flags are changed or the MAC address of
+ * the MACsec interface is changed
+ * @mdo_del_secy: called when the hw offload is disabled or the MACsec
+ * interface is removed
+ * @mdo_add_rxsc: called when a new RX SC is added
+ * @mdo_upd_rxsc: called when a certain RX SC is updated
+ * @mdo_del_rxsc: called when a certain RX SC is removed
+ * @mdo_add_rxsa: called when a new RX SA is added
+ * @mdo_upd_rxsa: called when a certain RX SA is updated
+ * @mdo_del_rxsa: called when a certain RX SA is removed
+ * @mdo_add_txsa: called when a new TX SA is added
+ * @mdo_upd_txsa: called when a certain TX SA is updated
+ * @mdo_del_txsa: called when a certain TX SA is removed
+ * @mdo_get_dev_stats: called when dev stats are read
+ * @mdo_get_tx_sc_stats: called when TX SC stats are read
+ * @mdo_get_tx_sa_stats: called when TX SA stats are read
+ * @mdo_get_rx_sc_stats: called when RX SC stats are read
+ * @mdo_get_rx_sa_stats: called when RX SA stats are read
+ * @mdo_insert_tx_tag: called to insert the TX tag
+ * @needed_headroom: number of bytes reserved at the beginning of the sk_buff
+ * for the TX tag
+ * @needed_tailroom: number of bytes reserved at the end of the sk_buff for the
+ * TX tag
+ * @rx_uses_md_dst: whether MACsec device offload supports sk_buff md_dst
*/
struct macsec_ops {
/* Device wide */
@@ -303,6 +348,12 @@ struct macsec_ops {
int (*mdo_get_tx_sa_stats)(struct macsec_context *ctx);
int (*mdo_get_rx_sc_stats)(struct macsec_context *ctx);
int (*mdo_get_rx_sa_stats)(struct macsec_context *ctx);
+ /* Offload tag */
+ int (*mdo_insert_tx_tag)(struct phy_device *phydev,
+ struct sk_buff *skb);
+ unsigned int needed_headroom;
+ unsigned int needed_tailroom;
+ bool rx_uses_md_dst;
};
void macsec_pn_wrapped(struct macsec_secy *secy, struct macsec_tx_sa *tx_sa);
@@ -325,4 +376,9 @@ static inline void *macsec_netdev_priv(const struct net_device *dev)
return netdev_priv(dev);
}
+static inline u64 sci_to_cpu(sci_t sci)
+{
+ return be64_to_cpu((__force __be64)sci);
+}
+
#endif /* _NET_MACSEC_H_ */