diff options
Diffstat (limited to 'include/net/macsec.h')
| -rw-r--r-- | include/net/macsec.h | 28 |
1 files changed, 25 insertions, 3 deletions
diff --git a/include/net/macsec.h b/include/net/macsec.h index d6fa6b97f6ef..5b9c61c4d3a6 100644 --- a/include/net/macsec.h +++ b/include/net/macsec.h @@ -14,12 +14,27 @@ #define MACSEC_DEFAULT_PN_LEN 4 #define MACSEC_XPN_PN_LEN 8 -#define MACSEC_SALT_LEN 12 #define MACSEC_NUM_AN 4 /* 2 bits for the association number */ +#define MACSEC_SCI_LEN 8 +#define MACSEC_PORT_ES (htons(0x0001)) + +#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) + +#define MACSEC_DEFAULT_ICV_LEN 16 + typedef u64 __bitwise sci_t; typedef u32 __bitwise ssci_t; +struct metadata_dst; + typedef union salt { struct { u32 ssci; @@ -183,6 +198,7 @@ struct macsec_tx_sa { * @scb: single copy broadcast flag * @sa: array of secure associations * @stats: stats for this TXSC + * @md_dst: MACsec offload metadata dst */ struct macsec_tx_sc { bool active; @@ -193,6 +209,7 @@ struct macsec_tx_sc { bool scb; struct macsec_tx_sa __rcu *sa[MACSEC_NUM_AN]; struct pcpu_tx_sc_stats __percpu *stats; + struct metadata_dst *md_dst; }; /** @@ -254,8 +271,6 @@ struct macsec_context { struct macsec_rx_sa_stats *rx_sa_stats; struct macsec_dev_stats *dev_stats; } stats; - - u8 prepare:1; }; /** @@ -289,5 +304,12 @@ struct macsec_ops { }; void macsec_pn_wrapped(struct macsec_secy *secy, struct macsec_tx_sa *tx_sa); +static inline bool macsec_send_sci(const struct macsec_secy *secy) +{ + const struct macsec_tx_sc *tx_sc = &secy->tx_sc; + + return tx_sc->send_sci || + (secy->n_rx_sc > 1 && !tx_sc->end_station && !tx_sc->scb); +} #endif /* _NET_MACSEC_H_ */ |