kernel/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.h

   1 /*******************************************************************************
   2
   3   Intel 10 Gigabit PCI Express Linux driver
   4   Copyright(c) 1999 - 2013 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   Linux NICS <linux.nics@intel.com>
  24   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  26
  27 *******************************************************************************/
  28
  29 #ifndef _DCB_82599_CONFIG_H_
  30 #define _DCB_82599_CONFIG_H_
  31
  32 /* DCB register definitions */
  33 #define IXGBE_RTTDCS_TDPAC      0x00000001 /* 0 Round Robin,
  34                                             * 1 WSP - Weighted Strict Priority
  35                                             */
  36 #define IXGBE_RTTDCS_VMPAC      0x00000002 /* 0 Round Robin,
  37                                             * 1 WRR - Weighted Round Robin
  38                                             */
  39 #define IXGBE_RTTDCS_TDRM       0x00000010 /* Transmit Recycle Mode */
  40 #define IXGBE_RTTDCS_ARBDIS     0x00000040 /* DCB arbiter disable */
  41 #define IXGBE_RTTDCS_BDPM       0x00400000 /* Bypass Data Pipe - must clear! */
  42 #define IXGBE_RTTDCS_BPBFSM     0x00800000 /* Bypass PB Free Space - must
  43                                              * clear!
  44                                              */
  45 #define IXGBE_RTTDCS_SPEED_CHG  0x80000000 /* Link speed change */
  46
  47 /* Receive UP2TC mapping */
  48 #define IXGBE_RTRUP2TC_UP_SHIFT 3
  49 #define IXGBE_RTRUP2TC_UP_MASK  7
  50 /* Transmit UP2TC mapping */
  51 #define IXGBE_RTTUP2TC_UP_SHIFT 3
  52
  53 #define IXGBE_RTRPT4C_MCL_SHIFT 12 /* Offset to Max Credit Limit setting */
  54 #define IXGBE_RTRPT4C_BWG_SHIFT 9  /* Offset to BWG index */
  55 #define IXGBE_RTRPT4C_GSP       0x40000000 /* GSP enable bit */
  56 #define IXGBE_RTRPT4C_LSP       0x80000000 /* LSP enable bit */
  57
  58 #define IXGBE_RDRXCTL_MPBEN     0x00000010 /* DMA config for multiple packet
  59                                             * buffers enable
  60                                             */
  61 #define IXGBE_RDRXCTL_MCEN      0x00000040 /* DMA config for multiple cores
  62                                             * (RSS) enable
  63                                             */
  64
  65 /* RTRPCS Bit Masks */
  66 #define IXGBE_RTRPCS_RRM        0x00000002 /* Receive Recycle Mode enable */
  67 /* Receive Arbitration Control: 0 Round Robin, 1 DFP */
  68 #define IXGBE_RTRPCS_RAC        0x00000004
  69 #define IXGBE_RTRPCS_ARBDIS     0x00000040 /* Arbitration disable bit */
  70
  71 /* RTTDT2C Bit Masks */
  72 #define IXGBE_RTTDT2C_MCL_SHIFT 12
  73 #define IXGBE_RTTDT2C_BWG_SHIFT 9
  74 #define IXGBE_RTTDT2C_GSP       0x40000000
  75 #define IXGBE_RTTDT2C_LSP       0x80000000
  76
  77 #define IXGBE_RTTPT2C_MCL_SHIFT 12
  78 #define IXGBE_RTTPT2C_BWG_SHIFT 9
  79 #define IXGBE_RTTPT2C_GSP       0x40000000
  80 #define IXGBE_RTTPT2C_LSP       0x80000000
  81
  82 /* RTTPCS Bit Masks */
  83 #define IXGBE_RTTPCS_TPPAC      0x00000020 /* 0 Round Robin,
  84                                             * 1 SP - Strict Priority
  85                                             */
  86 #define IXGBE_RTTPCS_ARBDIS     0x00000040 /* Arbiter disable */
  87 #define IXGBE_RTTPCS_TPRM       0x00000100 /* Transmit Recycle Mode enable */
  88 #define IXGBE_RTTPCS_ARBD_SHIFT 22
  89 #define IXGBE_RTTPCS_ARBD_DCB   0x4        /* Arbitration delay in DCB mode */
  90
  91 /* SECTXMINIFG DCB */
  92 #define IXGBE_SECTX_DCB         0x00001F00 /* DCB TX Buffer IFG */
  93
  94
  95 /* DCB hardware-specific driver APIs */
  96
  97 /* DCB PFC functions */
  98 s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, u8 pfc_en, u8 *prio_tc);
  99
 100 /* DCB hw initialization */
 101 s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw,
 102                                         u16 *refill,
 103                                         u16 *max,
 104                                         u8 *bwg_id,
 105                                         u8 *prio_type,
 106                                         u8 *prio_tc);
 107
 108 s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw,
 109                                                 u16 *refill,
 110                                                 u16 *max,
 111                                                 u8 *bwg_id,
 112                                                 u8 *prio_type);
 113
 114 s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw,
 115                                                 u16 *refill,
 116                                                 u16 *max,
 117                                                 u8 *bwg_id,
 118                                                 u8 *prio_type,
 119                                                 u8 *prio_tc);
 120
 121 s32 ixgbe_dcb_hw_config_82599(struct ixgbe_hw *hw, u8 pfc_en, u16 *refill,
 122                               u16 *max, u8 *bwg_id, u8 *prio_type,
 123                               u8 *prio_tc);
 124
 125 #endif /* _DCB_82599_CONFIG_H */