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 */
134

source code of linux/drivers/net/ethernet/aquantia/atlantic/aq_macsec.h