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
14 int qlcnic_register_dcb(struct qlcnic_adapter *);
15 #else
qlcnic_register_dcb(struct qlcnic_adapter * adapter)16 static inline int qlcnic_register_dcb(struct qlcnic_adapter *adapter)
17 { return 0; }
18 #endif
19 
20 struct qlcnic_dcb;
21 
22 struct 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 
34 struct 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 
qlcnic_dcb_get_hw_capability(struct qlcnic_dcb * dcb)44 static 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 
qlcnic_dcb_free(struct qlcnic_dcb * dcb)52 static inline void qlcnic_dcb_free(struct qlcnic_dcb *dcb)
53 {
54 	if (dcb && dcb->ops->free)
55 		dcb->ops->free(dcb);
56 }
57 
qlcnic_dcb_attach(struct qlcnic_dcb * dcb)58 static 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 
66 static inline int
qlcnic_dcb_query_hw_capability(struct qlcnic_dcb * dcb,char * buf)67 qlcnic_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 
qlcnic_dcb_get_info(struct qlcnic_dcb * dcb)75 static 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 
81 static inline int
qlcnic_dcb_query_cee_param(struct qlcnic_dcb * dcb,char * buf,u8 type)82 qlcnic_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 
qlcnic_dcb_get_cee_cfg(struct qlcnic_dcb * dcb)90 static 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 
qlcnic_dcb_aen_handler(struct qlcnic_dcb * dcb,void * msg)98 static 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 
qlcnic_dcb_init_dcbnl_ops(struct qlcnic_dcb * dcb)104 static 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 
qlcnic_dcb_enable(struct qlcnic_dcb * dcb)110 static inline int qlcnic_dcb_enable(struct qlcnic_dcb *dcb)
111 {
112 	return dcb ? qlcnic_dcb_attach(dcb) : 0;
113 }
114 #endif
115