drivers/net/ethernet/qlogic/qlcnic/qlcnic_dcb.h

   1 /*
   2  * QLogic qlcnic NIC Driver
   3  * Copyright (c)  2009-2013 QLogic Corporation
   4  *
   5  * See LICENSE.qlcnic for copyright and licensing details.
   6  */
   7
   8 #ifndef __QLCNIC_DCBX_H
   9 #define __QLCNIC_DCBX_H
  10
  11 #define QLCNIC_DCB_STATE        0
  12 #define QLCNIC_DCB_AEN_MODE     1
  13
  14 #ifdef CONFIG_QLCNIC_DCB
  15 int qlcnic_register_dcb(struct qlcnic_adapter *);
  16 #else
  17 static inline int qlcnic_register_dcb(struct qlcnic_adapter *adapter)
  18 { return 0; }
  19 #endif
  20
  21 struct qlcnic_dcb;
  22
  23 struct qlcnic_dcb_ops {
  24         int (*query_hw_capability) (struct qlcnic_dcb *, char *);
  25         int (*get_hw_capability) (struct qlcnic_dcb *);
  26         int (*query_cee_param) (struct qlcnic_dcb *, char *, u8);
  27         void (*init_dcbnl_ops) (struct qlcnic_dcb *);
  28         void (*aen_handler) (struct qlcnic_dcb *, void *);
  29         int (*get_cee_cfg) (struct qlcnic_dcb *);
  30         void (*get_info) (struct qlcnic_dcb *);
  31         int (*attach) (struct qlcnic_dcb *);
  32         void (*free) (struct qlcnic_dcb *);
  33 };
  34
  35 struct qlcnic_dcb {
  36         struct qlcnic_dcb_mbx_params    *param;
  37         struct qlcnic_adapter           *adapter;
  38         struct delayed_work             aen_work;
  39         struct workqueue_struct         *wq;
  40         const struct qlcnic_dcb_ops     *ops;
  41         struct qlcnic_dcb_cfg           *cfg;
  42         unsigned long                   state;
  43 };
  44
  45 static inline void qlcnic_clear_dcb_ops(struct qlcnic_dcb *dcb)
  46 {
  47         kfree(dcb);
  48 }
  49
  50 static inline int qlcnic_dcb_get_hw_capability(struct qlcnic_dcb *dcb)
  51 {
  52         if (dcb && dcb->ops->get_hw_capability)
  53                 return dcb->ops->get_hw_capability(dcb);
  54
  55         return 0;
  56 }
  57
  58 static inline void qlcnic_dcb_free(struct qlcnic_dcb *dcb)
  59 {
  60         if (dcb && dcb->ops->free)
  61                 dcb->ops->free(dcb);
  62 }
  63
  64 static inline int qlcnic_dcb_attach(struct qlcnic_dcb *dcb)
  65 {
  66         if (dcb && dcb->ops->attach)
  67                 return dcb->ops->attach(dcb);
  68
  69         return 0;
  70 }
  71
  72 static inline int
  73 qlcnic_dcb_query_hw_capability(struct qlcnic_dcb *dcb, char *buf)
  74 {
  75         if (dcb && dcb->ops->query_hw_capability)
  76                 return dcb->ops->query_hw_capability(dcb, buf);
  77
  78         return 0;
  79 }
  80
  81 static inline void qlcnic_dcb_get_info(struct qlcnic_dcb *dcb)
  82 {
  83         if (dcb && dcb->ops->get_info)
  84                 dcb->ops->get_info(dcb);
  85 }
  86
  87 static inline int
  88 qlcnic_dcb_query_cee_param(struct qlcnic_dcb *dcb, char *buf, u8 type)
  89 {
  90         if (dcb && dcb->ops->query_cee_param)
  91                 return dcb->ops->query_cee_param(dcb, buf, type);
  92
  93         return 0;
  94 }
  95
  96 static inline int qlcnic_dcb_get_cee_cfg(struct qlcnic_dcb *dcb)
  97 {
  98         if (dcb && dcb->ops->get_cee_cfg)
  99                 return dcb->ops->get_cee_cfg(dcb);
 100
 101         return 0;
 102 }
 103
 104 static inline void qlcnic_dcb_aen_handler(struct qlcnic_dcb *dcb, void *msg)
 105 {
 106         if (dcb && dcb->ops->aen_handler)
 107                 dcb->ops->aen_handler(dcb, msg);
 108 }
 109
 110 static inline void qlcnic_dcb_init_dcbnl_ops(struct qlcnic_dcb *dcb)
 111 {
 112         if (dcb && dcb->ops->init_dcbnl_ops)
 113                 dcb->ops->init_dcbnl_ops(dcb);
 114 }
 115
 116 static inline void qlcnic_dcb_enable(struct qlcnic_dcb *dcb)
 117 {
 118         if (dcb && qlcnic_dcb_attach(dcb))
 119                 qlcnic_clear_dcb_ops(dcb);
 120 }
 121 #endif