1 /* QLogic qed NIC Driver 2 * Copyright (c) 2015 QLogic Corporation 3 * 4 * This software is available under the terms of the GNU General Public License 5 * (GPL) Version 2, available from the file COPYING in the main directory of 6 * this source tree. 7 */ 8 9 #ifndef _QED_DCBX_H 10 #define _QED_DCBX_H 11 #include <linux/types.h> 12 #include <linux/slab.h> 13 #include "qed.h" 14 #include "qed_hsi.h" 15 #include "qed_hw.h" 16 #include "qed_mcp.h" 17 #include "qed_reg_addr.h" 18 19 #define DCBX_CONFIG_MAX_APP_PROTOCOL 4 20 21 enum qed_mib_read_type { 22 QED_DCBX_OPERATIONAL_MIB, 23 QED_DCBX_REMOTE_MIB, 24 QED_DCBX_LOCAL_MIB, 25 QED_DCBX_REMOTE_LLDP_MIB, 26 QED_DCBX_LOCAL_LLDP_MIB 27 }; 28 29 struct qed_dcbx_app_data { 30 bool enable; /* DCB enabled */ 31 bool update; /* Update indication */ 32 u8 priority; /* Priority */ 33 u8 tc; /* Traffic Class */ 34 }; 35 36 #ifdef CONFIG_DCB 37 #define QED_DCBX_VERSION_DISABLED 0 38 #define QED_DCBX_VERSION_IEEE 1 39 #define QED_DCBX_VERSION_CEE 2 40 41 struct qed_dcbx_set { 42 #define QED_DCBX_OVERRIDE_STATE BIT(0) 43 #define QED_DCBX_OVERRIDE_PFC_CFG BIT(1) 44 #define QED_DCBX_OVERRIDE_ETS_CFG BIT(2) 45 #define QED_DCBX_OVERRIDE_APP_CFG BIT(3) 46 #define QED_DCBX_OVERRIDE_DSCP_CFG BIT(4) 47 u32 override_flags; 48 bool enabled; 49 struct qed_dcbx_admin_params config; 50 u32 ver_num; 51 }; 52 #endif 53 54 struct qed_dcbx_results { 55 bool dcbx_enabled; 56 u8 pf_id; 57 struct qed_dcbx_app_data arr[DCBX_MAX_PROTOCOL_TYPE]; 58 }; 59 60 struct qed_dcbx_app_metadata { 61 enum dcbx_protocol_type id; 62 char *name; 63 enum qed_pci_personality personality; 64 }; 65 66 #define QED_MFW_GET_FIELD(name, field) \ 67 (((name) & (field ## _MASK)) >> (field ## _SHIFT)) 68 69 struct qed_dcbx_info { 70 struct lldp_status_params_s lldp_remote[LLDP_MAX_LLDP_AGENTS]; 71 struct lldp_config_params_s lldp_local[LLDP_MAX_LLDP_AGENTS]; 72 struct dcbx_local_params local_admin; 73 struct qed_dcbx_results results; 74 struct dcbx_mib operational; 75 struct dcbx_mib remote; 76 #ifdef CONFIG_DCB 77 struct qed_dcbx_set set; 78 #endif 79 u8 dcbx_cap; 80 }; 81 82 struct qed_dcbx_mib_meta_data { 83 struct lldp_config_params_s *lldp_local; 84 struct lldp_status_params_s *lldp_remote; 85 struct dcbx_local_params *local_admin; 86 struct dcbx_mib *mib; 87 size_t size; 88 u32 addr; 89 }; 90 91 #ifdef CONFIG_DCB 92 int qed_dcbx_get_config_params(struct qed_hwfn *, struct qed_dcbx_set *); 93 94 int qed_dcbx_config_params(struct qed_hwfn *, 95 struct qed_ptt *, struct qed_dcbx_set *, bool); 96 #endif 97 98 /* QED local interface routines */ 99 int 100 qed_dcbx_mib_update_event(struct qed_hwfn *, 101 struct qed_ptt *, enum qed_mib_read_type); 102 103 int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn); 104 void qed_dcbx_info_free(struct qed_hwfn *, struct qed_dcbx_info *); 105 void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src, 106 struct pf_update_ramrod_data *p_dest); 107 108 #endif 109