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

INCLUDED FROM

DEFINITIONS

1. ice_set_cgd_num
2. ice_dcb_get_ena_tc
3. ice_dcb_get_num_tc
4. ice_init_pf_dcb
5. ice_tx_prepare_vlan_flags_dcb

   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 void ice_vsi_cfg_netdev_tc(struct ice_vsi *vsi, u8 ena_tc);
  26 static inline void
  27 ice_set_cgd_num(struct ice_tlan_ctx *tlan_ctx, struct ice_ring *ring)
  28 {
  29         tlan_ctx->cgd_num = ring->dcb_tc;
  30 }
  31 #else
  32 #define ice_dcb_rebuild(pf) do {} while (0)
  33 
  34 static inline u8 ice_dcb_get_ena_tc(struct ice_dcbx_cfg __always_unused *dcbcfg)
  35 {
  36         return ICE_DFLT_TRAFFIC_CLASS;
  37 }
  38 
  39 static inline u8 ice_dcb_get_num_tc(struct ice_dcbx_cfg __always_unused *dcbcfg)
  40 {
  41         return 1;
  42 }
  43 
  44 static inline int
  45 ice_init_pf_dcb(struct ice_pf *pf, bool __always_unused locked)
  46 {
  47         dev_dbg(&pf->pdev->dev, "DCB not supported\n");
  48         return -EOPNOTSUPP;
  49 }
  50 
  51 static inline int
  52 ice_tx_prepare_vlan_flags_dcb(struct ice_ring __always_unused *tx_ring,
  53                               struct ice_tx_buf __always_unused *first)
  54 {
  55         return 0;
  56 }
  57 
  58 #define ice_update_dcb_stats(pf) do {} while (0)
  59 #define ice_vsi_cfg_dcb_rings(vsi) do {} while (0)
  60 #define ice_dcb_process_lldp_set_mib_change(pf, event) do {} while (0)
  61 #define ice_set_cgd_num(tlan_ctx, ring) do {} while (0)
  62 #define ice_vsi_cfg_netdev_tc(vsi, ena_tc) do {} while (0)
  63 #endif /* CONFIG_DCB */
  64 #endif /* _ICE_DCB_LIB_H_ */