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_lib.h" 9 10 #ifdef CONFIG_DCB 11 #define ICE_TC_MAX_BW 100 /* Default Max BW percentage */ 12 13 void ice_dcb_rebuild(struct ice_pf *pf); 14 u8 ice_dcb_get_ena_tc(struct ice_dcbx_cfg *dcbcfg); 15 u8 ice_dcb_get_num_tc(struct ice_dcbx_cfg *dcbcfg); 16 void ice_vsi_cfg_dcb_rings(struct ice_vsi *vsi); 17 int ice_init_pf_dcb(struct ice_pf *pf, bool locked); 18 void ice_update_dcb_stats(struct ice_pf *pf); 19 int 20 ice_tx_prepare_vlan_flags_dcb(struct ice_ring *tx_ring, 21 struct ice_tx_buf *first); 22 void 23 ice_dcb_process_lldp_set_mib_change(struct ice_pf *pf, 24 struct ice_rq_event_info *event); 25 static inline void 26 ice_set_cgd_num(struct ice_tlan_ctx *tlan_ctx, struct ice_ring *ring) 27 { 28 tlan_ctx->cgd_num = ring->dcb_tc; 29 } 30 #else 31 #define ice_dcb_rebuild(pf) do {} while (0) 32 33 static inline u8 ice_dcb_get_ena_tc(struct ice_dcbx_cfg __always_unused *dcbcfg) 34 { 35 return ICE_DFLT_TRAFFIC_CLASS; 36 } 37 38 static inline u8 ice_dcb_get_num_tc(struct ice_dcbx_cfg __always_unused *dcbcfg) 39 { 40 return 1; 41 } 42 43 static inline int 44 ice_init_pf_dcb(struct ice_pf *pf, bool __always_unused locked) 45 { 46 dev_dbg(&pf->pdev->dev, "DCB not supported\n"); 47 return -EOPNOTSUPP; 48 } 49 50 static inline int 51 ice_tx_prepare_vlan_flags_dcb(struct ice_ring __always_unused *tx_ring, 52 struct ice_tx_buf __always_unused *first) 53 { 54 return 0; 55 } 56 57 #define ice_update_dcb_stats(pf) do {} while (0) 58 #define ice_vsi_cfg_dcb_rings(vsi) do {} while (0) 59 #define ice_dcb_process_lldp_set_mib_change(pf, event) do {} while (0) 60 #define ice_set_cgd_num(tlan_ctx, ring) do {} while (0) 61 #endif /* CONFIG_DCB */ 62 #endif /* _ICE_DCB_LIB_H_ */ 63