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         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         dcb = NULL;
  49 }
  50
  51 static inline int qlcnic_dcb_get_hw_capability(struct qlcnic_dcb *dcb)
  52 {
  53         if (dcb && dcb->ops->get_hw_capability)
  54                 return dcb->ops->get_hw_capability(dcb);
  55
  56         return 0;
  57 }
  58
  59 static inline void qlcnic_dcb_free(struct qlcnic_dcb *dcb)
  60 {
  61         if (dcb && dcb->ops->free)
  62                 dcb->ops->free(dcb);
  63 }
  64
  65 static inline int qlcnic_dcb_attach(struct qlcnic_dcb *dcb)
  66 {
  67         if (dcb && dcb->ops->attach)
  68                 return dcb->ops->attach(dcb);
  69
  70         return 0;
  71 }
  72
  73 static inline int
  74 qlcnic_dcb_query_hw_capability(struct qlcnic_dcb *dcb, char *buf)
  75 {
  76         if (dcb && dcb->ops->query_hw_capability)
  77                 return dcb->ops->query_hw_capability(dcb, buf);
  78
  79         return 0;
  80 }
  81
  82 static inline void qlcnic_dcb_get_info(struct qlcnic_dcb *dcb)
  83 {
  84         if (dcb && dcb->ops->get_info)
  85                 dcb->ops->get_info(dcb);
  86 }
  87
  88 static inline int
  89 qlcnic_dcb_query_cee_param(struct qlcnic_dcb *dcb, char *buf, u8 type)
  90 {
  91         if (dcb && dcb->ops->query_cee_param)
  92                 return dcb->ops->query_cee_param(dcb, buf, type);
  93
  94         return 0;
  95 }
  96
  97 static inline int qlcnic_dcb_get_cee_cfg(struct qlcnic_dcb *dcb)
  98 {
  99         if (dcb && dcb->ops->get_cee_cfg)
 100                 return dcb->ops->get_cee_cfg(dcb);
 101
 102         return 0;
 103 }
 104
 105 static inline void qlcnic_dcb_aen_handler(struct qlcnic_dcb *dcb, void *msg)
 106 {
 107         if (dcb && dcb->ops->aen_handler)
 108                 dcb->ops->aen_handler(dcb, msg);
 109 }
 110
 111 static inline void qlcnic_dcb_init_dcbnl_ops(struct qlcnic_dcb *dcb)
 112 {
 113         if (dcb && dcb->ops->init_dcbnl_ops)
 114                 dcb->ops->init_dcbnl_ops(dcb);
 115 }
 116
 117 static inline void qlcnic_dcb_enable(struct qlcnic_dcb *dcb)
 118 {
 119         if (dcb && qlcnic_dcb_attach(dcb))
 120                 qlcnic_clear_dcb_ops(dcb);
 121 }
 122 #endif