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 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 123