162c1c2e6SDmitry Bogdanov /* SPDX-License-Identifier: GPL-2.0-only */ 262c1c2e6SDmitry Bogdanov /* Atlantic Network Driver 362c1c2e6SDmitry Bogdanov * Copyright (C) 2020 Marvell International Ltd. 462c1c2e6SDmitry Bogdanov */ 562c1c2e6SDmitry Bogdanov 662c1c2e6SDmitry Bogdanov #ifndef AQ_MACSEC_H 762c1c2e6SDmitry Bogdanov #define AQ_MACSEC_H 862c1c2e6SDmitry Bogdanov 962c1c2e6SDmitry Bogdanov #include <linux/netdevice.h> 1062c1c2e6SDmitry Bogdanov #if IS_ENABLED(CONFIG_MACSEC) 1162c1c2e6SDmitry Bogdanov 1262c1c2e6SDmitry Bogdanov #include "net/macsec.h" 1362c1c2e6SDmitry Bogdanov 1462c1c2e6SDmitry Bogdanov struct aq_nic_s; 1562c1c2e6SDmitry Bogdanov 1662c1c2e6SDmitry Bogdanov #define AQ_MACSEC_MAX_SC 32 1762c1c2e6SDmitry Bogdanov #define AQ_MACSEC_MAX_SA 32 1862c1c2e6SDmitry Bogdanov 1962c1c2e6SDmitry Bogdanov enum aq_macsec_sc_sa { 2062c1c2e6SDmitry Bogdanov aq_macsec_sa_sc_4sa_8sc, 2162c1c2e6SDmitry Bogdanov aq_macsec_sa_sc_not_used, 2262c1c2e6SDmitry Bogdanov aq_macsec_sa_sc_2sa_16sc, 2362c1c2e6SDmitry Bogdanov aq_macsec_sa_sc_1sa_32sc, 2462c1c2e6SDmitry Bogdanov }; 2562c1c2e6SDmitry Bogdanov 26aec0f1aaSDmitry Bogdanov struct aq_macsec_common_stats { 27aec0f1aaSDmitry Bogdanov /* Ingress Common Counters */ 28aec0f1aaSDmitry Bogdanov struct { 29aec0f1aaSDmitry Bogdanov u64 ctl_pkts; 30aec0f1aaSDmitry Bogdanov u64 tagged_miss_pkts; 31aec0f1aaSDmitry Bogdanov u64 untagged_miss_pkts; 32aec0f1aaSDmitry Bogdanov u64 notag_pkts; 33aec0f1aaSDmitry Bogdanov u64 untagged_pkts; 34aec0f1aaSDmitry Bogdanov u64 bad_tag_pkts; 35aec0f1aaSDmitry Bogdanov u64 no_sci_pkts; 36aec0f1aaSDmitry Bogdanov u64 unknown_sci_pkts; 37aec0f1aaSDmitry Bogdanov u64 ctrl_prt_pass_pkts; 38aec0f1aaSDmitry Bogdanov u64 unctrl_prt_pass_pkts; 39aec0f1aaSDmitry Bogdanov u64 ctrl_prt_fail_pkts; 40aec0f1aaSDmitry Bogdanov u64 unctrl_prt_fail_pkts; 41aec0f1aaSDmitry Bogdanov u64 too_long_pkts; 42aec0f1aaSDmitry Bogdanov u64 igpoc_ctl_pkts; 43aec0f1aaSDmitry Bogdanov u64 ecc_error_pkts; 44aec0f1aaSDmitry Bogdanov u64 unctrl_hit_drop_redir; 45aec0f1aaSDmitry Bogdanov } in; 46aec0f1aaSDmitry Bogdanov 47aec0f1aaSDmitry Bogdanov /* Egress Common Counters */ 48aec0f1aaSDmitry Bogdanov struct { 49aec0f1aaSDmitry Bogdanov u64 ctl_pkts; 50aec0f1aaSDmitry Bogdanov u64 unknown_sa_pkts; 51aec0f1aaSDmitry Bogdanov u64 untagged_pkts; 52aec0f1aaSDmitry Bogdanov u64 too_long; 53aec0f1aaSDmitry Bogdanov u64 ecc_error_pkts; 54aec0f1aaSDmitry Bogdanov u64 unctrl_hit_drop_redir; 55aec0f1aaSDmitry Bogdanov } out; 56aec0f1aaSDmitry Bogdanov }; 57aec0f1aaSDmitry Bogdanov 58aec0f1aaSDmitry Bogdanov /* Ingress SA Counters */ 59aec0f1aaSDmitry Bogdanov struct aq_macsec_rx_sa_stats { 60aec0f1aaSDmitry Bogdanov u64 untagged_hit_pkts; 61aec0f1aaSDmitry Bogdanov u64 ctrl_hit_drop_redir_pkts; 62aec0f1aaSDmitry Bogdanov u64 not_using_sa; 63aec0f1aaSDmitry Bogdanov u64 unused_sa; 64aec0f1aaSDmitry Bogdanov u64 not_valid_pkts; 65aec0f1aaSDmitry Bogdanov u64 invalid_pkts; 66aec0f1aaSDmitry Bogdanov u64 ok_pkts; 67aec0f1aaSDmitry Bogdanov u64 late_pkts; 68aec0f1aaSDmitry Bogdanov u64 delayed_pkts; 69aec0f1aaSDmitry Bogdanov u64 unchecked_pkts; 70aec0f1aaSDmitry Bogdanov u64 validated_octets; 71aec0f1aaSDmitry Bogdanov u64 decrypted_octets; 72aec0f1aaSDmitry Bogdanov }; 73aec0f1aaSDmitry Bogdanov 74aec0f1aaSDmitry Bogdanov /* Egress SA Counters */ 75aec0f1aaSDmitry Bogdanov struct aq_macsec_tx_sa_stats { 76aec0f1aaSDmitry Bogdanov u64 sa_hit_drop_redirect; 77aec0f1aaSDmitry Bogdanov u64 sa_protected2_pkts; 78aec0f1aaSDmitry Bogdanov u64 sa_protected_pkts; 79aec0f1aaSDmitry Bogdanov u64 sa_encrypted_pkts; 80aec0f1aaSDmitry Bogdanov }; 81aec0f1aaSDmitry Bogdanov 82aec0f1aaSDmitry Bogdanov /* Egress SC Counters */ 83aec0f1aaSDmitry Bogdanov struct aq_macsec_tx_sc_stats { 84aec0f1aaSDmitry Bogdanov u64 sc_protected_pkts; 85aec0f1aaSDmitry Bogdanov u64 sc_encrypted_pkts; 86aec0f1aaSDmitry Bogdanov u64 sc_protected_octets; 87aec0f1aaSDmitry Bogdanov u64 sc_encrypted_octets; 88aec0f1aaSDmitry Bogdanov }; 89aec0f1aaSDmitry Bogdanov 9062c1c2e6SDmitry Bogdanov struct aq_macsec_txsc { 9127736563SDmitry Bogdanov u32 hw_sc_idx; 9227736563SDmitry Bogdanov unsigned long tx_sa_idx_busy; 9327736563SDmitry Bogdanov const struct macsec_secy *sw_secy; 94*d67fb477SAntoine Tenart u8 tx_sa_key[MACSEC_NUM_AN][MACSEC_MAX_KEY_LEN]; 95aec0f1aaSDmitry Bogdanov struct aq_macsec_tx_sc_stats stats; 96aec0f1aaSDmitry Bogdanov struct aq_macsec_tx_sa_stats tx_sa_stats[MACSEC_NUM_AN]; 9762c1c2e6SDmitry Bogdanov }; 9862c1c2e6SDmitry Bogdanov 9962c1c2e6SDmitry Bogdanov struct aq_macsec_rxsc { 1009ff40a75SMark Starovoytov u32 hw_sc_idx; 1019ff40a75SMark Starovoytov unsigned long rx_sa_idx_busy; 1029ff40a75SMark Starovoytov const struct macsec_secy *sw_secy; 1039ff40a75SMark Starovoytov const struct macsec_rx_sc *sw_rxsc; 104*d67fb477SAntoine Tenart u8 rx_sa_key[MACSEC_NUM_AN][MACSEC_MAX_KEY_LEN]; 105aec0f1aaSDmitry Bogdanov struct aq_macsec_rx_sa_stats rx_sa_stats[MACSEC_NUM_AN]; 10662c1c2e6SDmitry Bogdanov }; 10762c1c2e6SDmitry Bogdanov 10862c1c2e6SDmitry Bogdanov struct aq_macsec_cfg { 10962c1c2e6SDmitry Bogdanov enum aq_macsec_sc_sa sc_sa; 11062c1c2e6SDmitry Bogdanov /* Egress channel configuration */ 11162c1c2e6SDmitry Bogdanov unsigned long txsc_idx_busy; 11262c1c2e6SDmitry Bogdanov struct aq_macsec_txsc aq_txsc[AQ_MACSEC_MAX_SC]; 11362c1c2e6SDmitry Bogdanov /* Ingress channel configuration */ 11462c1c2e6SDmitry Bogdanov unsigned long rxsc_idx_busy; 11562c1c2e6SDmitry Bogdanov struct aq_macsec_rxsc aq_rxsc[AQ_MACSEC_MAX_SC]; 116aec0f1aaSDmitry Bogdanov /* Statistics / counters */ 117aec0f1aaSDmitry Bogdanov struct aq_macsec_common_stats stats; 11862c1c2e6SDmitry Bogdanov }; 11962c1c2e6SDmitry Bogdanov 12062c1c2e6SDmitry Bogdanov extern const struct macsec_ops aq_macsec_ops; 12162c1c2e6SDmitry Bogdanov 12262c1c2e6SDmitry Bogdanov int aq_macsec_init(struct aq_nic_s *nic); 12362c1c2e6SDmitry Bogdanov void aq_macsec_free(struct aq_nic_s *nic); 12462c1c2e6SDmitry Bogdanov int aq_macsec_enable(struct aq_nic_s *nic); 12562c1c2e6SDmitry Bogdanov void aq_macsec_work(struct aq_nic_s *nic); 126aec0f1aaSDmitry Bogdanov u64 *aq_macsec_get_stats(struct aq_nic_s *nic, u64 *data); 127aec0f1aaSDmitry Bogdanov int aq_macsec_rx_sa_cnt(struct aq_nic_s *nic); 128aec0f1aaSDmitry Bogdanov int aq_macsec_tx_sc_cnt(struct aq_nic_s *nic); 129aec0f1aaSDmitry Bogdanov int aq_macsec_tx_sa_cnt(struct aq_nic_s *nic); 13062c1c2e6SDmitry Bogdanov 13162c1c2e6SDmitry Bogdanov #endif 13262c1c2e6SDmitry Bogdanov 13362c1c2e6SDmitry Bogdanov #endif /* AQ_MACSEC_H */ 134