1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
2/* QLogic qed NIC Driver
3 * Copyright (c) 2015-2017  QLogic Corporation
4 * Copyright (c) 2019-2020 Marvell International Ltd.
5 */
6
7#ifndef _QED_DCBX_H
8#define _QED_DCBX_H
9#include <linux/types.h>
10#include <linux/slab.h>
11#include "qed.h"
12#include "qed_hsi.h"
13#include "qed_hw.h"
14#include "qed_mcp.h"
15#include "qed_reg_addr.h"
16
17#define DCBX_CONFIG_MAX_APP_PROTOCOL    4
18
19enum qed_mib_read_type {
20	QED_DCBX_OPERATIONAL_MIB,
21	QED_DCBX_REMOTE_MIB,
22	QED_DCBX_LOCAL_MIB,
23	QED_DCBX_REMOTE_LLDP_MIB,
24	QED_DCBX_LOCAL_LLDP_MIB
25};
26
27struct qed_dcbx_app_data {
28	bool enable;		/* DCB enabled */
29	u8 update;		/* Update indication */
30	u8 priority;		/* Priority */
31	u8 tc;			/* Traffic Class */
32	bool dont_add_vlan0;	/* Do not insert a vlan tag with id 0 */
33};
34
35#define QED_DCBX_VERSION_DISABLED       0
36#define QED_DCBX_VERSION_IEEE           1
37#define QED_DCBX_VERSION_CEE            2
38
39struct qed_dcbx_set {
40#define QED_DCBX_OVERRIDE_STATE	        BIT(0)
41#define QED_DCBX_OVERRIDE_PFC_CFG       BIT(1)
42#define QED_DCBX_OVERRIDE_ETS_CFG       BIT(2)
43#define QED_DCBX_OVERRIDE_APP_CFG       BIT(3)
44#define QED_DCBX_OVERRIDE_DSCP_CFG      BIT(4)
45	u32 override_flags;
46	bool enabled;
47	struct qed_dcbx_admin_params config;
48	u32 ver_num;
49};
50
51struct qed_dcbx_results {
52	bool dcbx_enabled;
53	u8 pf_id;
54	struct qed_dcbx_app_data arr[DCBX_MAX_PROTOCOL_TYPE];
55};
56
57struct qed_dcbx_app_metadata {
58	enum dcbx_protocol_type id;
59	char *name;
60	enum qed_pci_personality personality;
61};
62
63struct qed_dcbx_info {
64	struct lldp_status_params_s lldp_remote[LLDP_MAX_LLDP_AGENTS];
65	struct lldp_config_params_s lldp_local[LLDP_MAX_LLDP_AGENTS];
66	struct dcbx_local_params local_admin;
67	struct qed_dcbx_results results;
68	struct dcbx_mib operational;
69	struct dcbx_mib remote;
70	struct qed_dcbx_set set;
71	struct qed_dcbx_get get;
72	u8 dcbx_cap;
73};
74
75struct qed_dcbx_mib_meta_data {
76	struct lldp_config_params_s *lldp_local;
77	struct lldp_status_params_s *lldp_remote;
78	struct dcbx_local_params *local_admin;
79	struct dcbx_mib *mib;
80	size_t size;
81	u32 addr;
82};
83
84extern const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass;
85
86#ifdef CONFIG_DCB
87int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn,
88			       struct qed_dcbx_set *params);
89
90int qed_dcbx_config_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
91			   struct qed_dcbx_set *params, bool hw_commit);
92#endif
93
94/* QED local interface routines */
95int
96qed_dcbx_mib_update_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
97			  enum qed_mib_read_type type);
98
99int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn);
100void qed_dcbx_info_free(struct qed_hwfn *p_hwfn);
101void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src,
102				   struct pf_update_ramrod_data *p_dest);
103
104#define QED_DCBX_DEFAULT_TC	0
105
106u8 qed_dcbx_get_priority_tc(struct qed_hwfn *p_hwfn, u8 pri);
107#endif
108