linux/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*******************************************************************************
   3
   4  Intel 10 Gigabit PCI Express Linux driver
   5  Copyright(c) 1999 - 2013 Intel Corporation.
   6
   7  This program is free software; you can redistribute it and/or modify it
   8  under the terms and conditions of the GNU General Public License,
   9  version 2, as published by the Free Software Foundation.
  10
  11  This program is distributed in the hope it will be useful, but WITHOUT
  12  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  14  more details.
  15
  16  You should have received a copy of the GNU General Public License along with
  17  this program; if not, write to the Free Software Foundation, Inc.,
  18  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  19
  20  The full GNU General Public License is included in this distribution in
  21  the file called "COPYING".
  22
  23  Contact Information:
  24  Linux NICS <linux.nics@intel.com>
  25  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  26  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  27
  28*******************************************************************************/
  29
  30#ifndef _DCB_82598_CONFIG_H_
  31#define _DCB_82598_CONFIG_H_
  32
  33/* DCB register definitions */
  34
  35#define IXGBE_DPMCS_MTSOS_SHIFT 16
  36#define IXGBE_DPMCS_TDPAC       0x00000001 /* 0 Round Robin, 1 DFP - Deficit Fixed Priority */
  37#define IXGBE_DPMCS_TRM         0x00000010 /* Transmit Recycle Mode */
  38#define IXGBE_DPMCS_ARBDIS      0x00000040 /* DCB arbiter disable */
  39#define IXGBE_DPMCS_TSOEF       0x00080000 /* TSO Expand Factor: 0=x4, 1=x2 */
  40
  41#define IXGBE_RUPPBMR_MQA       0x80000000 /* Enable UP to queue mapping */
  42
  43#define IXGBE_RT2CR_MCL_SHIFT   12 /* Offset to Max Credit Limit setting */
  44#define IXGBE_RT2CR_LSP         0x80000000 /* LSP enable bit */
  45
  46#define IXGBE_RDRXCTL_MPBEN     0x00000010 /* DMA config for multiple packet buffers enable */
  47#define IXGBE_RDRXCTL_MCEN      0x00000040 /* DMA config for multiple cores (RSS) enable */
  48
  49#define IXGBE_TDTQ2TCCR_MCL_SHIFT   12
  50#define IXGBE_TDTQ2TCCR_BWG_SHIFT   9
  51#define IXGBE_TDTQ2TCCR_GSP     0x40000000
  52#define IXGBE_TDTQ2TCCR_LSP     0x80000000
  53
  54#define IXGBE_TDPT2TCCR_MCL_SHIFT   12
  55#define IXGBE_TDPT2TCCR_BWG_SHIFT   9
  56#define IXGBE_TDPT2TCCR_GSP     0x40000000
  57#define IXGBE_TDPT2TCCR_LSP     0x80000000
  58
  59#define IXGBE_PDPMCS_TPPAC      0x00000020 /* 0 Round Robin, 1 for DFP - Deficit Fixed Priority */
  60#define IXGBE_PDPMCS_ARBDIS     0x00000040 /* Arbiter disable */
  61#define IXGBE_PDPMCS_TRM        0x00000100 /* Transmit Recycle Mode enable */
  62
  63#define IXGBE_DTXCTL_ENDBUBD    0x00000004 /* Enable DBU buffer division */
  64
  65#define IXGBE_TXPBSIZE_40KB     0x0000A000 /* 40KB Packet Buffer */
  66#define IXGBE_RXPBSIZE_48KB     0x0000C000 /* 48KB Packet Buffer */
  67#define IXGBE_RXPBSIZE_64KB     0x00010000 /* 64KB Packet Buffer */
  68#define IXGBE_RXPBSIZE_80KB     0x00014000 /* 80KB Packet Buffer */
  69
  70#define IXGBE_RDRXCTL_RDMTS_1_2 0x00000000
  71
  72/* DCB hardware-specific driver APIs */
  73
  74/* DCB PFC functions */
  75s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *, u8 pfc_en);
  76
  77/* DCB hw initialization */
  78s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw,
  79                                        u16 *refill,
  80                                        u16 *max,
  81                                        u8 *prio_type);
  82
  83s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw,
  84                                                u16 *refill,
  85                                                u16 *max,
  86                                                u8 *bwg_id,
  87                                                u8 *prio_type);
  88
  89s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw,
  90                                                u16 *refill,
  91                                                u16 *max,
  92                                                u8 *bwg_id,
  93                                                u8 *prio_type);
  94
  95s32 ixgbe_dcb_hw_config_82598(struct ixgbe_hw *hw, u8 pfc_en, u16 *refill,
  96                              u16 *max, u8 *bwg_id, u8 *prio_type);
  97
  98#endif /* _DCB_82598_CONFIG_H */
  99