qlogic/qlcnic/qlcnic_dcb.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * QLogic qlcnic NIC Driver
0004  * Copyright (c)  2009-2013 QLogic Corporation
0005  */
0006
0007 #ifndef __QLCNIC_DCBX_H
0008 #define __QLCNIC_DCBX_H
0009
0010 #define QLCNIC_DCB_STATE    0
0011 #define QLCNIC_DCB_AEN_MODE 1
0012
0013 #ifdef CONFIG_QLCNIC_DCB
0014 int qlcnic_register_dcb(struct qlcnic_adapter *);
0015 #else
0016 static inline int qlcnic_register_dcb(struct qlcnic_adapter *adapter)
0017 { return 0; }
0018 #endif
0019
0020 struct qlcnic_dcb;
0021
0022 struct qlcnic_dcb_ops {
0023     int (*query_hw_capability) (struct qlcnic_dcb *, char *);
0024     int (*get_hw_capability) (struct qlcnic_dcb *);
0025     int (*query_cee_param) (struct qlcnic_dcb *, char *, u8);
0026     void (*init_dcbnl_ops) (struct qlcnic_dcb *);
0027     void (*aen_handler) (struct qlcnic_dcb *, void *);
0028     int (*get_cee_cfg) (struct qlcnic_dcb *);
0029     void (*get_info) (struct qlcnic_dcb *);
0030     int (*attach) (struct qlcnic_dcb *);
0031     void (*free) (struct qlcnic_dcb *);
0032 };
0033
0034 struct qlcnic_dcb {
0035     struct qlcnic_dcb_mbx_params    *param;
0036     struct qlcnic_adapter       *adapter;
0037     struct delayed_work     aen_work;
0038     struct workqueue_struct     *wq;
0039     const struct qlcnic_dcb_ops *ops;
0040     struct qlcnic_dcb_cfg       *cfg;
0041     unsigned long           state;
0042 };
0043
0044 static inline void qlcnic_clear_dcb_ops(struct qlcnic_dcb *dcb)
0045 {
0046     kfree(dcb);
0047 }
0048
0049 static inline int qlcnic_dcb_get_hw_capability(struct qlcnic_dcb *dcb)
0050 {
0051     if (dcb && dcb->ops->get_hw_capability)
0052         return dcb->ops->get_hw_capability(dcb);
0053
0054     return -EOPNOTSUPP;
0055 }
0056
0057 static inline void qlcnic_dcb_free(struct qlcnic_dcb *dcb)
0058 {
0059     if (dcb && dcb->ops->free)
0060         dcb->ops->free(dcb);
0061 }
0062
0063 static inline int qlcnic_dcb_attach(struct qlcnic_dcb *dcb)
0064 {
0065     if (dcb && dcb->ops->attach)
0066         return dcb->ops->attach(dcb);
0067
0068     return -EOPNOTSUPP;
0069 }
0070
0071 static inline int
0072 qlcnic_dcb_query_hw_capability(struct qlcnic_dcb *dcb, char *buf)
0073 {
0074     if (dcb && dcb->ops->query_hw_capability)
0075         return dcb->ops->query_hw_capability(dcb, buf);
0076
0077     return -EOPNOTSUPP;
0078 }
0079
0080 static inline void qlcnic_dcb_get_info(struct qlcnic_dcb *dcb)
0081 {
0082     if (dcb && dcb->ops->get_info)
0083         dcb->ops->get_info(dcb);
0084 }
0085
0086 static inline int
0087 qlcnic_dcb_query_cee_param(struct qlcnic_dcb *dcb, char *buf, u8 type)
0088 {
0089     if (dcb && dcb->ops->query_cee_param)
0090         return dcb->ops->query_cee_param(dcb, buf, type);
0091
0092     return -EOPNOTSUPP;
0093 }
0094
0095 static inline int qlcnic_dcb_get_cee_cfg(struct qlcnic_dcb *dcb)
0096 {
0097     if (dcb && dcb->ops->get_cee_cfg)
0098         return dcb->ops->get_cee_cfg(dcb);
0099
0100     return -EOPNOTSUPP;
0101 }
0102
0103 static inline void qlcnic_dcb_aen_handler(struct qlcnic_dcb *dcb, void *msg)
0104 {
0105     if (dcb && dcb->ops->aen_handler)
0106         dcb->ops->aen_handler(dcb, msg);
0107 }
0108
0109 static inline void qlcnic_dcb_init_dcbnl_ops(struct qlcnic_dcb *dcb)
0110 {
0111     if (dcb && dcb->ops->init_dcbnl_ops)
0112         dcb->ops->init_dcbnl_ops(dcb);
0113 }
0114
0115 static inline void qlcnic_dcb_enable(struct qlcnic_dcb *dcb)
0116 {
0117     if (dcb && qlcnic_dcb_attach(dcb))
0118         qlcnic_clear_dcb_ops(dcb);
0119 }
0120 #endif