1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* Atlantic Network Driver 3*4882a593Smuzhiyun * Copyright (C) 2020 Marvell International Ltd. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef AQ_MACSEC_H 7*4882a593Smuzhiyun #define AQ_MACSEC_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include <linux/netdevice.h> 10*4882a593Smuzhiyun #if IS_ENABLED(CONFIG_MACSEC) 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include "net/macsec.h" 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun struct aq_nic_s; 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun #define AQ_MACSEC_MAX_SC 32 17*4882a593Smuzhiyun #define AQ_MACSEC_MAX_SA 32 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun enum aq_macsec_sc_sa { 20*4882a593Smuzhiyun aq_macsec_sa_sc_4sa_8sc, 21*4882a593Smuzhiyun aq_macsec_sa_sc_not_used, 22*4882a593Smuzhiyun aq_macsec_sa_sc_2sa_16sc, 23*4882a593Smuzhiyun aq_macsec_sa_sc_1sa_32sc, 24*4882a593Smuzhiyun }; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun struct aq_macsec_common_stats { 27*4882a593Smuzhiyun /* Ingress Common Counters */ 28*4882a593Smuzhiyun struct { 29*4882a593Smuzhiyun u64 ctl_pkts; 30*4882a593Smuzhiyun u64 tagged_miss_pkts; 31*4882a593Smuzhiyun u64 untagged_miss_pkts; 32*4882a593Smuzhiyun u64 notag_pkts; 33*4882a593Smuzhiyun u64 untagged_pkts; 34*4882a593Smuzhiyun u64 bad_tag_pkts; 35*4882a593Smuzhiyun u64 no_sci_pkts; 36*4882a593Smuzhiyun u64 unknown_sci_pkts; 37*4882a593Smuzhiyun u64 ctrl_prt_pass_pkts; 38*4882a593Smuzhiyun u64 unctrl_prt_pass_pkts; 39*4882a593Smuzhiyun u64 ctrl_prt_fail_pkts; 40*4882a593Smuzhiyun u64 unctrl_prt_fail_pkts; 41*4882a593Smuzhiyun u64 too_long_pkts; 42*4882a593Smuzhiyun u64 igpoc_ctl_pkts; 43*4882a593Smuzhiyun u64 ecc_error_pkts; 44*4882a593Smuzhiyun u64 unctrl_hit_drop_redir; 45*4882a593Smuzhiyun } in; 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun /* Egress Common Counters */ 48*4882a593Smuzhiyun struct { 49*4882a593Smuzhiyun u64 ctl_pkts; 50*4882a593Smuzhiyun u64 unknown_sa_pkts; 51*4882a593Smuzhiyun u64 untagged_pkts; 52*4882a593Smuzhiyun u64 too_long; 53*4882a593Smuzhiyun u64 ecc_error_pkts; 54*4882a593Smuzhiyun u64 unctrl_hit_drop_redir; 55*4882a593Smuzhiyun } out; 56*4882a593Smuzhiyun }; 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun /* Ingress SA Counters */ 59*4882a593Smuzhiyun struct aq_macsec_rx_sa_stats { 60*4882a593Smuzhiyun u64 untagged_hit_pkts; 61*4882a593Smuzhiyun u64 ctrl_hit_drop_redir_pkts; 62*4882a593Smuzhiyun u64 not_using_sa; 63*4882a593Smuzhiyun u64 unused_sa; 64*4882a593Smuzhiyun u64 not_valid_pkts; 65*4882a593Smuzhiyun u64 invalid_pkts; 66*4882a593Smuzhiyun u64 ok_pkts; 67*4882a593Smuzhiyun u64 late_pkts; 68*4882a593Smuzhiyun u64 delayed_pkts; 69*4882a593Smuzhiyun u64 unchecked_pkts; 70*4882a593Smuzhiyun u64 validated_octets; 71*4882a593Smuzhiyun u64 decrypted_octets; 72*4882a593Smuzhiyun }; 73*4882a593Smuzhiyun 74*4882a593Smuzhiyun /* Egress SA Counters */ 75*4882a593Smuzhiyun struct aq_macsec_tx_sa_stats { 76*4882a593Smuzhiyun u64 sa_hit_drop_redirect; 77*4882a593Smuzhiyun u64 sa_protected2_pkts; 78*4882a593Smuzhiyun u64 sa_protected_pkts; 79*4882a593Smuzhiyun u64 sa_encrypted_pkts; 80*4882a593Smuzhiyun }; 81*4882a593Smuzhiyun 82*4882a593Smuzhiyun /* Egress SC Counters */ 83*4882a593Smuzhiyun struct aq_macsec_tx_sc_stats { 84*4882a593Smuzhiyun u64 sc_protected_pkts; 85*4882a593Smuzhiyun u64 sc_encrypted_pkts; 86*4882a593Smuzhiyun u64 sc_protected_octets; 87*4882a593Smuzhiyun u64 sc_encrypted_octets; 88*4882a593Smuzhiyun }; 89*4882a593Smuzhiyun 90*4882a593Smuzhiyun struct aq_macsec_txsc { 91*4882a593Smuzhiyun u32 hw_sc_idx; 92*4882a593Smuzhiyun unsigned long tx_sa_idx_busy; 93*4882a593Smuzhiyun const struct macsec_secy *sw_secy; 94*4882a593Smuzhiyun u8 tx_sa_key[MACSEC_NUM_AN][MACSEC_MAX_KEY_LEN]; 95*4882a593Smuzhiyun struct aq_macsec_tx_sc_stats stats; 96*4882a593Smuzhiyun struct aq_macsec_tx_sa_stats tx_sa_stats[MACSEC_NUM_AN]; 97*4882a593Smuzhiyun }; 98*4882a593Smuzhiyun 99*4882a593Smuzhiyun struct aq_macsec_rxsc { 100*4882a593Smuzhiyun u32 hw_sc_idx; 101*4882a593Smuzhiyun unsigned long rx_sa_idx_busy; 102*4882a593Smuzhiyun const struct macsec_secy *sw_secy; 103*4882a593Smuzhiyun const struct macsec_rx_sc *sw_rxsc; 104*4882a593Smuzhiyun u8 rx_sa_key[MACSEC_NUM_AN][MACSEC_MAX_KEY_LEN]; 105*4882a593Smuzhiyun struct aq_macsec_rx_sa_stats rx_sa_stats[MACSEC_NUM_AN]; 106*4882a593Smuzhiyun }; 107*4882a593Smuzhiyun 108*4882a593Smuzhiyun struct aq_macsec_cfg { 109*4882a593Smuzhiyun enum aq_macsec_sc_sa sc_sa; 110*4882a593Smuzhiyun /* Egress channel configuration */ 111*4882a593Smuzhiyun unsigned long txsc_idx_busy; 112*4882a593Smuzhiyun struct aq_macsec_txsc aq_txsc[AQ_MACSEC_MAX_SC]; 113*4882a593Smuzhiyun /* Ingress channel configuration */ 114*4882a593Smuzhiyun unsigned long rxsc_idx_busy; 115*4882a593Smuzhiyun struct aq_macsec_rxsc aq_rxsc[AQ_MACSEC_MAX_SC]; 116*4882a593Smuzhiyun /* Statistics / counters */ 117*4882a593Smuzhiyun struct aq_macsec_common_stats stats; 118*4882a593Smuzhiyun }; 119*4882a593Smuzhiyun 120*4882a593Smuzhiyun extern const struct macsec_ops aq_macsec_ops; 121*4882a593Smuzhiyun 122*4882a593Smuzhiyun int aq_macsec_init(struct aq_nic_s *nic); 123*4882a593Smuzhiyun void aq_macsec_free(struct aq_nic_s *nic); 124*4882a593Smuzhiyun int aq_macsec_enable(struct aq_nic_s *nic); 125*4882a593Smuzhiyun void aq_macsec_work(struct aq_nic_s *nic); 126*4882a593Smuzhiyun u64 *aq_macsec_get_stats(struct aq_nic_s *nic, u64 *data); 127*4882a593Smuzhiyun int aq_macsec_rx_sa_cnt(struct aq_nic_s *nic); 128*4882a593Smuzhiyun int aq_macsec_tx_sc_cnt(struct aq_nic_s *nic); 129*4882a593Smuzhiyun int aq_macsec_tx_sa_cnt(struct aq_nic_s *nic); 130*4882a593Smuzhiyun 131*4882a593Smuzhiyun #endif 132*4882a593Smuzhiyun 133*4882a593Smuzhiyun #endif /* AQ_MACSEC_H */ 134