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 14 struct aq_nic_s; 15 16 #define AQ_MACSEC_MAX_SC 32 17 #define AQ_MACSEC_MAX_SA 32 18 19 enum 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 26 struct 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 */ 59 struct 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 */ 75 struct 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 */ 83 struct 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 90 struct 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_KEYID_LEN]; 95 struct aq_macsec_tx_sc_stats stats; 96 struct aq_macsec_tx_sa_stats tx_sa_stats[MACSEC_NUM_AN]; 97 }; 98 99 struct 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_KEYID_LEN]; 105 struct aq_macsec_rx_sa_stats rx_sa_stats[MACSEC_NUM_AN]; 106 }; 107 108 struct 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 }; 119 120 extern const struct macsec_ops aq_macsec_ops; 121 122 int aq_macsec_init(struct aq_nic_s *nic); 123 void aq_macsec_free(struct aq_nic_s *nic); 124 int aq_macsec_enable(struct aq_nic_s *nic); 125 void aq_macsec_work(struct aq_nic_s *nic); 126 u64 *aq_macsec_get_stats(struct aq_nic_s *nic, u64 *data); 127 int aq_macsec_rx_sa_cnt(struct aq_nic_s *nic); 128 int aq_macsec_tx_sc_cnt(struct aq_nic_s *nic); 129 int aq_macsec_tx_sa_cnt(struct aq_nic_s *nic); 130 131 #endif 132 133 #endif /* AQ_MACSEC_H */ 134