From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/net/ethernet/intel/ice/ice_dcb_lib.h | 138 +++++++++++++++++++++++++++ 1 file changed, 138 insertions(+) create mode 100644 drivers/net/ethernet/intel/ice/ice_dcb_lib.h (limited to 'drivers/net/ethernet/intel/ice/ice_dcb_lib.h') diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.h b/drivers/net/ethernet/intel/ice/ice_dcb_lib.h new file mode 100644 index 000000000..800879a88 --- /dev/null +++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.h @@ -0,0 +1,138 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2019, Intel Corporation. */ + +#ifndef _ICE_DCB_LIB_H_ +#define _ICE_DCB_LIB_H_ + +#include "ice.h" +#include "ice_base.h" +#include "ice_lib.h" + +#ifdef CONFIG_DCB +#define ICE_TC_MAX_BW 100 /* Default Max BW percentage */ +#define ICE_DCB_HW_CHG_RST 0 /* DCB configuration changed with reset */ +#define ICE_DCB_NO_HW_CHG 1 /* DCB configuration did not change */ +#define ICE_DCB_HW_CHG 2 /* DCB configuration changed, no reset */ + +void ice_dcb_rebuild(struct ice_pf *pf); +int ice_dcb_sw_dflt_cfg(struct ice_pf *pf, bool ets_willing, bool locked); +u8 ice_dcb_get_num_tc(struct ice_dcbx_cfg *dcbcfg); +void ice_vsi_set_dcb_tc_cfg(struct ice_vsi *vsi); +bool ice_is_pfc_causing_hung_q(struct ice_pf *pf, unsigned int txqueue); +u8 ice_dcb_get_tc(struct ice_vsi *vsi, int queue_index); +int +ice_pf_dcb_cfg(struct ice_pf *pf, struct ice_dcbx_cfg *new_cfg, bool locked); +int ice_dcb_bwchk(struct ice_pf *pf, struct ice_dcbx_cfg *dcbcfg); +void ice_pf_dcb_recfg(struct ice_pf *pf, bool locked); +void ice_vsi_cfg_dcb_rings(struct ice_vsi *vsi); +int ice_init_pf_dcb(struct ice_pf *pf, bool locked); +void ice_update_dcb_stats(struct ice_pf *pf); +void +ice_tx_prepare_vlan_flags_dcb(struct ice_tx_ring *tx_ring, + struct ice_tx_buf *first); +void +ice_dcb_process_lldp_set_mib_change(struct ice_pf *pf, + struct ice_rq_event_info *event); +/** + * ice_find_q_in_range + * @low: start of queue range for a TC i.e. offset of TC + * @high: start of queue for next TC + * @tx_q: hung_queue/tx_queue + * + * finds if queue 'tx_q' falls between the two offsets of any given TC + */ +static inline bool ice_find_q_in_range(u16 low, u16 high, unsigned int tx_q) +{ + return (tx_q >= low) && (tx_q < high); +} + +static inline void +ice_set_cgd_num(struct ice_tlan_ctx *tlan_ctx, u8 dcb_tc) +{ + tlan_ctx->cgd_num = dcb_tc; +} + +static inline bool ice_is_dcb_active(struct ice_pf *pf) +{ + return (test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags) || + test_bit(ICE_FLAG_DCB_ENA, pf->flags)); +} + +static inline u8 ice_get_pfc_mode(struct ice_pf *pf) +{ + return pf->hw.port_info->qos_cfg.local_dcbx_cfg.pfc_mode; +} + +#else +static inline void ice_dcb_rebuild(struct ice_pf *pf) { } + +static inline void ice_vsi_set_dcb_tc_cfg(struct ice_vsi *vsi) +{ + vsi->tc_cfg.ena_tc = ICE_DFLT_TRAFFIC_CLASS; + vsi->tc_cfg.numtc = 1; +} + +static inline u8 ice_dcb_get_ena_tc(struct ice_dcbx_cfg __always_unused *dcbcfg) +{ + return ICE_DFLT_TRAFFIC_CLASS; +} + +static inline u8 ice_dcb_get_num_tc(struct ice_dcbx_cfg __always_unused *dcbcfg) +{ + return 1; +} + +static inline u8 +ice_dcb_get_tc(struct ice_vsi __always_unused *vsi, + int __always_unused queue_index) +{ + return 0; +} + +static inline int +ice_init_pf_dcb(struct ice_pf *pf, bool __always_unused locked) +{ + dev_dbg(ice_pf_to_dev(pf), "DCB not supported\n"); + return -EOPNOTSUPP; +} + +static inline int +ice_pf_dcb_cfg(struct ice_pf __always_unused *pf, + struct ice_dcbx_cfg __always_unused *new_cfg, + bool __always_unused locked) +{ + return -EOPNOTSUPP; +} + +static inline int +ice_tx_prepare_vlan_flags_dcb(struct ice_tx_ring __always_unused *tx_ring, + struct ice_tx_buf __always_unused *first) +{ + return 0; +} + +static inline bool ice_is_dcb_active(struct ice_pf __always_unused *pf) +{ + return false; +} + +static inline bool +ice_is_pfc_causing_hung_q(struct ice_pf __always_unused *pf, + unsigned int __always_unused txqueue) +{ + return false; +} + +static inline u8 ice_get_pfc_mode(struct ice_pf *pf) +{ + return 0; +} + +static inline void ice_pf_dcb_recfg(struct ice_pf *pf, bool locked) { } +static inline void ice_vsi_cfg_dcb_rings(struct ice_vsi *vsi) { } +static inline void ice_update_dcb_stats(struct ice_pf *pf) { } +static inline void +ice_dcb_process_lldp_set_mib_change(struct ice_pf *pf, struct ice_rq_event_info *event) { } +static inline void ice_set_cgd_num(struct ice_tlan_ctx *tlan_ctx, u8 dcb_tc) { } +#endif /* CONFIG_DCB */ +#endif /* _ICE_DCB_LIB_H_ */ -- cgit v1.2.3