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_vsi_cfg_dcb_rings(struct ice_vsi *vsi); 24 int ice_init_pf_dcb(struct ice_pf *pf, bool locked); 25 void ice_update_dcb_stats(struct ice_pf *pf); 26 int 27 ice_tx_prepare_vlan_flags_dcb(struct ice_ring *tx_ring, 28 struct ice_tx_buf *first); 29 void 30 ice_dcb_process_lldp_set_mib_change(struct ice_pf *pf, 31 struct ice_rq_event_info *event); 32 void ice_vsi_cfg_netdev_tc(struct ice_vsi *vsi, u8 ena_tc); 33 static inline void 34 ice_set_cgd_num(struct ice_tlan_ctx *tlan_ctx, struct ice_ring *ring) 35 { 36 tlan_ctx->cgd_num = ring->dcb_tc; 37 } 38 #else 39 #define ice_dcb_rebuild(pf) do {} while (0) 40 41 static inline u8 ice_dcb_get_ena_tc(struct ice_dcbx_cfg __always_unused *dcbcfg) 42 { 43 return ICE_DFLT_TRAFFIC_CLASS; 44 } 45 46 static inline u8 ice_dcb_get_num_tc(struct ice_dcbx_cfg __always_unused *dcbcfg) 47 { 48 return 1; 49 } 50 51 static inline u8 52 ice_dcb_get_tc(struct ice_vsi __always_unused *vsi, 53 int __always_unused queue_index) 54 { 55 return 0; 56 } 57 58 static inline int 59 ice_init_pf_dcb(struct ice_pf *pf, bool __always_unused locked) 60 { 61 dev_dbg(&pf->pdev->dev, "DCB not supported\n"); 62 return -EOPNOTSUPP; 63 } 64 65 static inline int 66 ice_pf_dcb_cfg(struct ice_pf __always_unused *pf, 67 struct ice_dcbx_cfg __always_unused *new_cfg, 68 bool __always_unused locked) 69 { 70 return -EOPNOTSUPP; 71 } 72 73 static inline int 74 ice_tx_prepare_vlan_flags_dcb(struct ice_ring __always_unused *tx_ring, 75 struct ice_tx_buf __always_unused *first) 76 { 77 return 0; 78 } 79 80 #define ice_update_dcb_stats(pf) do {} while (0) 81 #define ice_vsi_cfg_dcb_rings(vsi) do {} while (0) 82 #define ice_dcb_process_lldp_set_mib_change(pf, event) do {} while (0) 83 #define ice_set_cgd_num(tlan_ctx, ring) do {} while (0) 84 #define ice_vsi_cfg_netdev_tc(vsi, ena_tc) do {} while (0) 85 #endif /* CONFIG_DCB */ 86 #endif /* _ICE_DCB_LIB_H_ */ 87