drivers/net/ethernet/intel/ice/ice_dcb_lib.h

   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_ */