cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

aq_macsec.h (3038B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/* Atlantic Network Driver
      3 * Copyright (C) 2020 Marvell International Ltd.
      4 */
      5
      6#ifndef AQ_MACSEC_H
      7#define AQ_MACSEC_H
      8
      9#include <linux/netdevice.h>
     10#if IS_ENABLED(CONFIG_MACSEC)
     11
     12#include "net/macsec.h"
     13
     14struct aq_nic_s;
     15
     16#define AQ_MACSEC_MAX_SC 32
     17#define AQ_MACSEC_MAX_SA 32
     18
     19enum aq_macsec_sc_sa {
     20	aq_macsec_sa_sc_4sa_8sc,
     21	aq_macsec_sa_sc_not_used,
     22	aq_macsec_sa_sc_2sa_16sc,
     23	aq_macsec_sa_sc_1sa_32sc,
     24};
     25
     26struct aq_macsec_common_stats {
     27	/* Ingress Common Counters */
     28	struct {
     29		u64 ctl_pkts;
     30		u64 tagged_miss_pkts;
     31		u64 untagged_miss_pkts;
     32		u64 notag_pkts;
     33		u64 untagged_pkts;
     34		u64 bad_tag_pkts;
     35		u64 no_sci_pkts;
     36		u64 unknown_sci_pkts;
     37		u64 ctrl_prt_pass_pkts;
     38		u64 unctrl_prt_pass_pkts;
     39		u64 ctrl_prt_fail_pkts;
     40		u64 unctrl_prt_fail_pkts;
     41		u64 too_long_pkts;
     42		u64 igpoc_ctl_pkts;
     43		u64 ecc_error_pkts;
     44		u64 unctrl_hit_drop_redir;
     45	} in;
     46
     47	/* Egress Common Counters */
     48	struct {
     49		u64 ctl_pkts;
     50		u64 unknown_sa_pkts;
     51		u64 untagged_pkts;
     52		u64 too_long;
     53		u64 ecc_error_pkts;
     54		u64 unctrl_hit_drop_redir;
     55	} out;
     56};
     57
     58/* Ingress SA Counters */
     59struct aq_macsec_rx_sa_stats {
     60	u64 untagged_hit_pkts;
     61	u64 ctrl_hit_drop_redir_pkts;
     62	u64 not_using_sa;
     63	u64 unused_sa;
     64	u64 not_valid_pkts;
     65	u64 invalid_pkts;
     66	u64 ok_pkts;
     67	u64 late_pkts;
     68	u64 delayed_pkts;
     69	u64 unchecked_pkts;
     70	u64 validated_octets;
     71	u64 decrypted_octets;
     72};
     73
     74/* Egress SA Counters */
     75struct aq_macsec_tx_sa_stats {
     76	u64 sa_hit_drop_redirect;
     77	u64 sa_protected2_pkts;
     78	u64 sa_protected_pkts;
     79	u64 sa_encrypted_pkts;
     80};
     81
     82/* Egress SC Counters */
     83struct aq_macsec_tx_sc_stats {
     84	u64 sc_protected_pkts;
     85	u64 sc_encrypted_pkts;
     86	u64 sc_protected_octets;
     87	u64 sc_encrypted_octets;
     88};
     89
     90struct aq_macsec_txsc {
     91	u32 hw_sc_idx;
     92	unsigned long tx_sa_idx_busy;
     93	const struct macsec_secy *sw_secy;
     94	u8 tx_sa_key[MACSEC_NUM_AN][MACSEC_MAX_KEY_LEN];
     95	struct aq_macsec_tx_sc_stats stats;
     96	struct aq_macsec_tx_sa_stats tx_sa_stats[MACSEC_NUM_AN];
     97};
     98
     99struct aq_macsec_rxsc {
    100	u32 hw_sc_idx;
    101	unsigned long rx_sa_idx_busy;
    102	const struct macsec_secy *sw_secy;
    103	const struct macsec_rx_sc *sw_rxsc;
    104	u8 rx_sa_key[MACSEC_NUM_AN][MACSEC_MAX_KEY_LEN];
    105	struct aq_macsec_rx_sa_stats rx_sa_stats[MACSEC_NUM_AN];
    106};
    107
    108struct aq_macsec_cfg {
    109	enum aq_macsec_sc_sa sc_sa;
    110	/* Egress channel configuration */
    111	unsigned long txsc_idx_busy;
    112	struct aq_macsec_txsc aq_txsc[AQ_MACSEC_MAX_SC];
    113	/* Ingress channel configuration */
    114	unsigned long rxsc_idx_busy;
    115	struct aq_macsec_rxsc aq_rxsc[AQ_MACSEC_MAX_SC];
    116	/* Statistics / counters */
    117	struct aq_macsec_common_stats stats;
    118};
    119
    120extern const struct macsec_ops aq_macsec_ops;
    121
    122int aq_macsec_init(struct aq_nic_s *nic);
    123void aq_macsec_free(struct aq_nic_s *nic);
    124int aq_macsec_enable(struct aq_nic_s *nic);
    125void aq_macsec_work(struct aq_nic_s *nic);
    126u64 *aq_macsec_get_stats(struct aq_nic_s *nic, u64 *data);
    127int aq_macsec_rx_sa_cnt(struct aq_nic_s *nic);
    128int aq_macsec_tx_sc_cnt(struct aq_nic_s *nic);
    129int aq_macsec_tx_sa_cnt(struct aq_nic_s *nic);
    130
    131#endif
    132
    133#endif /* AQ_MACSEC_H */