1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * QLogic qlcnic NIC Driver
4 * Copyright (c)  2009-2013 QLogic Corporation
5 */
6
7#ifndef __QLCNIC_DCBX_H
8#define __QLCNIC_DCBX_H
9
10#define QLCNIC_DCB_STATE	0
11#define QLCNIC_DCB_AEN_MODE	1
12
13#ifdef CONFIG_QLCNIC_DCB
14int qlcnic_register_dcb(struct qlcnic_adapter *);
15#else
16static inline int qlcnic_register_dcb(struct qlcnic_adapter *adapter)
17{ return 0; }
18#endif
19
20struct qlcnic_dcb;
21
22struct qlcnic_dcb_ops {
23	int (*query_hw_capability) (struct qlcnic_dcb *, char *);
24	int (*get_hw_capability) (struct qlcnic_dcb *);
25	int (*query_cee_param) (struct qlcnic_dcb *, char *, u8);
26	void (*init_dcbnl_ops) (struct qlcnic_dcb *);
27	void (*aen_handler) (struct qlcnic_dcb *, void *);
28	int (*get_cee_cfg) (struct qlcnic_dcb *);
29	void (*get_info) (struct qlcnic_dcb *);
30	int (*attach) (struct qlcnic_dcb *);
31	void (*free) (struct qlcnic_dcb *);
32};
33
34struct qlcnic_dcb {
35	struct qlcnic_dcb_mbx_params	*param;
36	struct qlcnic_adapter		*adapter;
37	struct delayed_work		aen_work;
38	struct workqueue_struct		*wq;
39	const struct qlcnic_dcb_ops	*ops;
40	struct qlcnic_dcb_cfg		*cfg;
41	unsigned long			state;
42};
43
44static inline int qlcnic_dcb_get_hw_capability(struct qlcnic_dcb *dcb)
45{
46	if (dcb && dcb->ops->get_hw_capability)
47		return dcb->ops->get_hw_capability(dcb);
48
49	return -EOPNOTSUPP;
50}
51
52static inline void qlcnic_dcb_free(struct qlcnic_dcb *dcb)
53{
54	if (dcb && dcb->ops->free)
55		dcb->ops->free(dcb);
56}
57
58static inline int qlcnic_dcb_attach(struct qlcnic_dcb *dcb)
59{
60	if (dcb && dcb->ops->attach)
61		return dcb->ops->attach(dcb);
62
63	return -EOPNOTSUPP;
64}
65
66static inline int
67qlcnic_dcb_query_hw_capability(struct qlcnic_dcb *dcb, char *buf)
68{
69	if (dcb && dcb->ops->query_hw_capability)
70		return dcb->ops->query_hw_capability(dcb, buf);
71
72	return -EOPNOTSUPP;
73}
74
75static inline void qlcnic_dcb_get_info(struct qlcnic_dcb *dcb)
76{
77	if (dcb && dcb->ops->get_info)
78		dcb->ops->get_info(dcb);
79}
80
81static inline int
82qlcnic_dcb_query_cee_param(struct qlcnic_dcb *dcb, char *buf, u8 type)
83{
84	if (dcb && dcb->ops->query_cee_param)
85		return dcb->ops->query_cee_param(dcb, buf, type);
86
87	return -EOPNOTSUPP;
88}
89
90static inline int qlcnic_dcb_get_cee_cfg(struct qlcnic_dcb *dcb)
91{
92	if (dcb && dcb->ops->get_cee_cfg)
93		return dcb->ops->get_cee_cfg(dcb);
94
95	return -EOPNOTSUPP;
96}
97
98static inline void qlcnic_dcb_aen_handler(struct qlcnic_dcb *dcb, void *msg)
99{
100	if (dcb && dcb->ops->aen_handler)
101		dcb->ops->aen_handler(dcb, msg);
102}
103
104static inline void qlcnic_dcb_init_dcbnl_ops(struct qlcnic_dcb *dcb)
105{
106	if (dcb && dcb->ops->init_dcbnl_ops)
107		dcb->ops->init_dcbnl_ops(dcb);
108}
109
110static inline int qlcnic_dcb_enable(struct qlcnic_dcb *dcb)
111{
112	return dcb ? qlcnic_dcb_attach(dcb) : 0;
113}
114#endif
115