linux/linux-5.18.11/drivers/net/ethernet/aquantia/atlantic/aq_macsec.h

134 lines
3.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/* Atlantic Network Driver
* Copyright (C) 2020 Marvell International Ltd.
*/
#ifndef AQ_MACSEC_H
#define AQ_MACSEC_H
#include <linux/netdevice.h>
#if IS_ENABLED(CONFIG_MACSEC)
#include "net/macsec.h"
struct aq_nic_s;
#define AQ_MACSEC_MAX_SC 32
#define AQ_MACSEC_MAX_SA 32
enum aq_macsec_sc_sa {
aq_macsec_sa_sc_4sa_8sc,
aq_macsec_sa_sc_not_used,
aq_macsec_sa_sc_2sa_16sc,
aq_macsec_sa_sc_1sa_32sc,
};
struct aq_macsec_common_stats {
/* Ingress Common Counters */
struct {
u64 ctl_pkts;
u64 tagged_miss_pkts;
u64 untagged_miss_pkts;
u64 notag_pkts;
u64 untagged_pkts;
u64 bad_tag_pkts;
u64 no_sci_pkts;
u64 unknown_sci_pkts;
u64 ctrl_prt_pass_pkts;
u64 unctrl_prt_pass_pkts;
u64 ctrl_prt_fail_pkts;
u64 unctrl_prt_fail_pkts;
u64 too_long_pkts;
u64 igpoc_ctl_pkts;
u64 ecc_error_pkts;
u64 unctrl_hit_drop_redir;
} in;
/* Egress Common Counters */
struct {
u64 ctl_pkts;
u64 unknown_sa_pkts;
u64 untagged_pkts;
u64 too_long;
u64 ecc_error_pkts;
u64 unctrl_hit_drop_redir;
} out;
};
/* Ingress SA Counters */
struct aq_macsec_rx_sa_stats {
u64 untagged_hit_pkts;
u64 ctrl_hit_drop_redir_pkts;
u64 not_using_sa;
u64 unused_sa;
u64 not_valid_pkts;
u64 invalid_pkts;
u64 ok_pkts;
u64 late_pkts;
u64 delayed_pkts;
u64 unchecked_pkts;
u64 validated_octets;
u64 decrypted_octets;
};
/* Egress SA Counters */
struct aq_macsec_tx_sa_stats {
u64 sa_hit_drop_redirect;
u64 sa_protected2_pkts;
u64 sa_protected_pkts;
u64 sa_encrypted_pkts;
};
/* Egress SC Counters */
struct aq_macsec_tx_sc_stats {
u64 sc_protected_pkts;
u64 sc_encrypted_pkts;
u64 sc_protected_octets;
u64 sc_encrypted_octets;
};
struct aq_macsec_txsc {
u32 hw_sc_idx;
unsigned long tx_sa_idx_busy;
const struct macsec_secy *sw_secy;
u8 tx_sa_key[MACSEC_NUM_AN][MACSEC_MAX_KEY_LEN];
struct aq_macsec_tx_sc_stats stats;
struct aq_macsec_tx_sa_stats tx_sa_stats[MACSEC_NUM_AN];
};
struct aq_macsec_rxsc {
u32 hw_sc_idx;
unsigned long rx_sa_idx_busy;
const struct macsec_secy *sw_secy;
const struct macsec_rx_sc *sw_rxsc;
u8 rx_sa_key[MACSEC_NUM_AN][MACSEC_MAX_KEY_LEN];
struct aq_macsec_rx_sa_stats rx_sa_stats[MACSEC_NUM_AN];
};
struct aq_macsec_cfg {
enum aq_macsec_sc_sa sc_sa;
/* Egress channel configuration */
unsigned long txsc_idx_busy;
struct aq_macsec_txsc aq_txsc[AQ_MACSEC_MAX_SC];
/* Ingress channel configuration */
unsigned long rxsc_idx_busy;
struct aq_macsec_rxsc aq_rxsc[AQ_MACSEC_MAX_SC];
/* Statistics / counters */
struct aq_macsec_common_stats stats;
};
extern const struct macsec_ops aq_macsec_ops;
int aq_macsec_init(struct aq_nic_s *nic);
void aq_macsec_free(struct aq_nic_s *nic);
int aq_macsec_enable(struct aq_nic_s *nic);
void aq_macsec_work(struct aq_nic_s *nic);
u64 *aq_macsec_get_stats(struct aq_nic_s *nic, u64 *data);
int aq_macsec_rx_sa_cnt(struct aq_nic_s *nic);
int aq_macsec_tx_sc_cnt(struct aq_nic_s *nic);
int aq_macsec_tx_sa_cnt(struct aq_nic_s *nic);
#endif
#endif /* AQ_MACSEC_H */