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