1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ 2 /* QLogic qed NIC Driver 3 * Copyright (c) 2015-2017 QLogic Corporation 4 * Copyright (c) 2019-2020 Marvell International Ltd. 5 */ 6 7 #ifndef _QED_DCBX_H 8 #define _QED_DCBX_H 9 #include <linux/types.h> 10 #include <linux/slab.h> 11 #include "qed.h" 12 #include "qed_hsi.h" 13 #include "qed_hw.h" 14 #include "qed_mcp.h" 15 #include "qed_reg_addr.h" 16 17 #define DCBX_CONFIG_MAX_APP_PROTOCOL 4 18 19 enum qed_mib_read_type { 20 QED_DCBX_OPERATIONAL_MIB, 21 QED_DCBX_REMOTE_MIB, 22 QED_DCBX_LOCAL_MIB, 23 QED_DCBX_REMOTE_LLDP_MIB, 24 QED_DCBX_LOCAL_LLDP_MIB 25 }; 26 27 struct qed_dcbx_app_data { 28 bool enable; /* DCB enabled */ 29 u8 update; /* Update indication */ 30 u8 priority; /* Priority */ 31 u8 tc; /* Traffic Class */ 32 bool dont_add_vlan0; /* Do not insert a vlan tag with id 0 */ 33 }; 34 35 #define QED_DCBX_VERSION_DISABLED 0 36 #define QED_DCBX_VERSION_IEEE 1 37 #define QED_DCBX_VERSION_CEE 2 38 39 struct qed_dcbx_set { 40 #define QED_DCBX_OVERRIDE_STATE BIT(0) 41 #define QED_DCBX_OVERRIDE_PFC_CFG BIT(1) 42 #define QED_DCBX_OVERRIDE_ETS_CFG BIT(2) 43 #define QED_DCBX_OVERRIDE_APP_CFG BIT(3) 44 #define QED_DCBX_OVERRIDE_DSCP_CFG BIT(4) 45 u32 override_flags; 46 bool enabled; 47 struct qed_dcbx_admin_params config; 48 u32 ver_num; 49 }; 50 51 struct qed_dcbx_results { 52 bool dcbx_enabled; 53 u8 pf_id; 54 struct qed_dcbx_app_data arr[DCBX_MAX_PROTOCOL_TYPE]; 55 }; 56 57 struct qed_dcbx_app_metadata { 58 enum dcbx_protocol_type id; 59 char *name; 60 enum qed_pci_personality personality; 61 }; 62 63 struct qed_dcbx_info { 64 struct lldp_status_params_s lldp_remote[LLDP_MAX_LLDP_AGENTS]; 65 struct lldp_config_params_s lldp_local[LLDP_MAX_LLDP_AGENTS]; 66 struct dcbx_local_params local_admin; 67 struct qed_dcbx_results results; 68 struct dcbx_mib operational; 69 struct dcbx_mib remote; 70 struct qed_dcbx_set set; 71 struct qed_dcbx_get get; 72 u8 dcbx_cap; 73 }; 74 75 struct qed_dcbx_mib_meta_data { 76 struct lldp_config_params_s *lldp_local; 77 struct lldp_status_params_s *lldp_remote; 78 struct dcbx_local_params *local_admin; 79 struct dcbx_mib *mib; 80 size_t size; 81 u32 addr; 82 }; 83 84 extern const struct qed_eth_dcbnl_ops qed_dcbnl_ops_pass; 85 86 #ifdef CONFIG_DCB 87 int qed_dcbx_get_config_params(struct qed_hwfn *p_hwfn, 88 struct qed_dcbx_set *params); 89 90 int qed_dcbx_config_params(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, 91 struct qed_dcbx_set *params, bool hw_commit); 92 #endif 93 94 /* QED local interface routines */ 95 int 96 qed_dcbx_mib_update_event(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, 97 enum qed_mib_read_type type); 98 99 int qed_dcbx_info_alloc(struct qed_hwfn *p_hwfn); 100 void qed_dcbx_info_free(struct qed_hwfn *p_hwfn); 101 void qed_dcbx_set_pf_update_params(struct qed_dcbx_results *p_src, 102 struct pf_update_ramrod_data *p_dest); 103 104 #define QED_DCBX_DEFAULT_TC 0 105 106 u8 qed_dcbx_get_priority_tc(struct qed_hwfn *p_hwfn, u8 pri); 107 #endif 108
