1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Copyright (c) 2019, Intel Corporation. */ 3 4 #ifndef _ICE_DCB_LIB_H_ 5 #define _ICE_DCB_LIB_H_ 6 7 #include "ice.h" 8 #include "ice_base.h" 9 #include "ice_lib.h" 10 11 #ifdef CONFIG_DCB 12 #define ICE_TC_MAX_BW 100 /* Default Max BW percentage */ 13 #define ICE_DCB_HW_CHG_RST 0 /* DCB configuration changed with reset */ 14 #define ICE_DCB_NO_HW_CHG 1 /* DCB configuration did not change */ 15 #define ICE_DCB_HW_CHG 2 /* DCB configuration changed, no reset */ 16 17 void ice_dcb_rebuild(struct ice_pf *pf); 18 u8 ice_dcb_get_ena_tc(struct ice_dcbx_cfg *dcbcfg); 19 u8 ice_dcb_get_num_tc(struct ice_dcbx_cfg *dcbcfg); 20 u8 ice_dcb_get_tc(struct ice_vsi *vsi, int queue_index); 21 int 22 ice_pf_dcb_cfg(struct ice_pf *pf, struct ice_dcbx_cfg *new_cfg, bool locked); 23 void ice_pf_dcb_recfg(struct ice_pf *pf); 24 void ice_vsi_cfg_dcb_rings(struct ice_vsi *vsi); 25 int ice_init_pf_dcb(struct ice_pf *pf, bool locked); 26 void ice_update_dcb_stats(struct ice_pf *pf); 27 int 28 ice_tx_prepare_vlan_flags_dcb(struct ice_ring *tx_ring, 29 struct ice_tx_buf *first); 30 void 31 ice_dcb_process_lldp_set_mib_change(struct ice_pf *pf, 32 struct ice_rq_event_info *event); 33 void ice_vsi_cfg_netdev_tc(struct ice_vsi *vsi, u8 ena_tc); 34 static inline void 35 ice_set_cgd_num(struct ice_tlan_ctx *tlan_ctx, struct ice_ring *ring) 36 { 37 tlan_ctx->cgd_num = ring->dcb_tc; 38 } 39 #else 40 #define ice_dcb_rebuild(pf) do {} while (0) 41 42 static inline u8 ice_dcb_get_ena_tc(struct ice_dcbx_cfg __always_unused *dcbcfg) 43 { 44 return ICE_DFLT_TRAFFIC_CLASS; 45 } 46 47 static inline u8 ice_dcb_get_num_tc(struct ice_dcbx_cfg __always_unused *dcbcfg) 48 { 49 return 1; 50 } 51 52 static inline u8 53 ice_dcb_get_tc(struct ice_vsi __always_unused *vsi, 54 int __always_unused queue_index) 55 { 56 return 0; 57 } 58 59 static inline int 60 ice_init_pf_dcb(struct ice_pf *pf, bool __always_unused locked) 61 { 62 dev_dbg(ice_pf_to_dev(pf), "DCB not supported\n"); 63 return -EOPNOTSUPP; 64 } 65 66 static inline int 67 ice_pf_dcb_cfg(struct ice_pf __always_unused *pf, 68 struct ice_dcbx_cfg __always_unused *new_cfg, 69 bool __always_unused locked) 70 { 71 return -EOPNOTSUPP; 72 } 73 74 static inline int 75 ice_tx_prepare_vlan_flags_dcb(struct ice_ring __always_unused *tx_ring, 76 struct ice_tx_buf __always_unused *first) 77 { 78 return 0; 79 } 80 81 #define ice_update_dcb_stats(pf) do {} while (0) 82 #define ice_pf_dcb_recfg(pf) do {} while (0) 83 #define ice_vsi_cfg_dcb_rings(vsi) do {} while (0) 84 #define ice_dcb_process_lldp_set_mib_change(pf, event) do {} while (0) 85 #define ice_set_cgd_num(tlan_ctx, ring) do {} while (0) 86 #define ice_vsi_cfg_netdev_tc(vsi, ena_tc) do {} while (0) 87 #endif /* CONFIG_DCB */ 88 #endif /* _ICE_DCB_LIB_H_ */ 89