1 /******************************************************************************
   2 
   3   Copyright (c) 2001-2015, Intel Corporation 
   4   All rights reserved.
   5   
   6   Redistribution and use in source and binary forms, with or without 
   7   modification, are permitted provided that the following conditions are met:
   8   
   9    1. Redistributions of source code must retain the above copyright notice, 
  10       this list of conditions and the following disclaimer.
  11   
  12    2. Redistributions in binary form must reproduce the above copyright 
  13       notice, this list of conditions and the following disclaimer in the 
  14       documentation and/or other materials provided with the distribution.
  15   
  16    3. Neither the name of the Intel Corporation nor the names of its 
  17       contributors may be used to endorse or promote products derived from 
  18       this software without specific prior written permission.
  19   
  20   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
  22   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
  23   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
  24   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
  25   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
  26   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
  27   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
  28   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
  29   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  30   POSSIBILITY OF SUCH DAMAGE.
  31 
  32 ******************************************************************************/
  33 /*$FreeBSD$*/
  34 
  35 #ifndef _IXGBE_DCB_82599_H_
  36 #define _IXGBE_DCB_82599_H_
  37 
  38 /* DCB register definitions */
  39 #define IXGBE_RTTDCS_TDPAC      0x00000001 /* 0 Round Robin,
  40                                             * 1 WSP - Weighted Strict Priority
  41                                             */
  42 #define IXGBE_RTTDCS_VMPAC      0x00000002 /* 0 Round Robin,
  43                                             * 1 WRR - Weighted Round Robin
  44                                             */
  45 #define IXGBE_RTTDCS_TDRM       0x00000010 /* Transmit Recycle Mode */
  46 #define IXGBE_RTTDCS_BDPM       0x00400000 /* Bypass Data Pipe - must clear! */
  47 #define IXGBE_RTTDCS_BPBFSM     0x00800000 /* Bypass PB Free Space - must
  48                                              * clear!
  49                                              */
  50 #define IXGBE_RTTDCS_SPEED_CHG  0x80000000 /* Link speed change */
  51 
  52 /* Receive UP2TC mapping */
  53 #define IXGBE_RTRUP2TC_UP_SHIFT 3
  54 #define IXGBE_RTRUP2TC_UP_MASK  7
  55 /* Transmit UP2TC mapping */
  56 #define IXGBE_RTTUP2TC_UP_SHIFT 3
  57 
  58 #define IXGBE_RTRPT4C_MCL_SHIFT 12 /* Offset to Max Credit Limit setting */
  59 #define IXGBE_RTRPT4C_BWG_SHIFT 9  /* Offset to BWG index */
  60 #define IXGBE_RTRPT4C_GSP       0x40000000 /* GSP enable bit */
  61 #define IXGBE_RTRPT4C_LSP       0x80000000 /* LSP enable bit */
  62 
  63 #define IXGBE_RDRXCTL_MPBEN     0x00000010 /* DMA config for multiple packet
  64                                             * buffers enable
  65                                             */
  66 #define IXGBE_RDRXCTL_MCEN      0x00000040 /* DMA config for multiple cores
  67                                             * (RSS) enable
  68                                             */
  69 
  70 /* RTRPCS Bit Masks */
  71 #define IXGBE_RTRPCS_RRM        0x00000002 /* Receive Recycle Mode enable */
  72 /* Receive Arbitration Control: 0 Round Robin, 1 DFP */
  73 #define IXGBE_RTRPCS_RAC        0x00000004
  74 #define IXGBE_RTRPCS_ARBDIS     0x00000040 /* Arbitration disable bit */
  75 
  76 /* RTTDT2C Bit Masks */
  77 #define IXGBE_RTTDT2C_MCL_SHIFT 12
  78 #define IXGBE_RTTDT2C_BWG_SHIFT 9
  79 #define IXGBE_RTTDT2C_GSP       0x40000000
  80 #define IXGBE_RTTDT2C_LSP       0x80000000
  81 
  82 #define IXGBE_RTTPT2C_MCL_SHIFT 12
  83 #define IXGBE_RTTPT2C_BWG_SHIFT 9
  84 #define IXGBE_RTTPT2C_GSP       0x40000000
  85 #define IXGBE_RTTPT2C_LSP       0x80000000
  86 
  87 /* RTTPCS Bit Masks */
  88 #define IXGBE_RTTPCS_TPPAC      0x00000020 /* 0 Round Robin,
  89                                             * 1 SP - Strict Priority
  90                                             */
  91 #define IXGBE_RTTPCS_ARBDIS     0x00000040 /* Arbiter disable */
  92 #define IXGBE_RTTPCS_TPRM       0x00000100 /* Transmit Recycle Mode enable */
  93 #define IXGBE_RTTPCS_ARBD_SHIFT 22
  94 #define IXGBE_RTTPCS_ARBD_DCB   0x4 /* Arbitration delay in DCB mode */
  95 
  96 #define IXGBE_TXPBTHRESH_DCB    0xA /* THRESH value for DCB mode */
  97 
  98 /* SECTXMINIFG DCB */
  99 #define IXGBE_SECTX_DCB         0x00001F00 /* DCB TX Buffer SEC IFG */
 100 
 101 /* BCN register definitions */
 102 #define IXGBE_RTTBCNRC_RF_INT_SHIFT     14
 103 #define IXGBE_RTTBCNRC_RS_ENA           0x80000000
 104 
 105 #define IXGBE_RTTBCNCR_MNG_CMTGI        0x00000001
 106 #define IXGBE_RTTBCNCR_MGN_BCNA_MODE    0x00000002
 107 #define IXGBE_RTTBCNCR_RSV7_11_SHIFT    5
 108 #define IXGBE_RTTBCNCR_G                0x00000400
 109 #define IXGBE_RTTBCNCR_I                0x00000800
 110 #define IXGBE_RTTBCNCR_H                0x00001000
 111 #define IXGBE_RTTBCNCR_VER_SHIFT        14
 112 #define IXGBE_RTTBCNCR_CMT_ETH_SHIFT    16
 113 
 114 #define IXGBE_RTTBCNACL_SMAC_L_SHIFT    16
 115 
 116 #define IXGBE_RTTBCNTG_BCNA_MODE        0x80000000
 117 
 118 #define IXGBE_RTTBCNRTT_TS_SHIFT        3
 119 #define IXGBE_RTTBCNRTT_TXQ_IDX_SHIFT   16
 120 
 121 #define IXGBE_RTTBCNRD_BCN_CLEAR_ALL    0x00000002
 122 #define IXGBE_RTTBCNRD_DRIFT_FAC_SHIFT  2
 123 #define IXGBE_RTTBCNRD_DRIFT_INT_SHIFT  16
 124 #define IXGBE_RTTBCNRD_DRIFT_ENA        0x80000000
 125 
 126 
 127 /* DCB driver APIs */
 128 
 129 /* DCB PFC */
 130 s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *, u8, u8 *);
 131 
 132 /* DCB stats */
 133 s32 ixgbe_dcb_config_tc_stats_82599(struct ixgbe_hw *,
 134                                     struct ixgbe_dcb_config *);
 135 s32 ixgbe_dcb_get_tc_stats_82599(struct ixgbe_hw *,
 136                                  struct ixgbe_hw_stats *, u8);
 137 s32 ixgbe_dcb_get_pfc_stats_82599(struct ixgbe_hw *,
 138                                   struct ixgbe_hw_stats *, u8);
 139 
 140 /* DCB config arbiters */
 141 s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *, u16 *, u16 *,
 142                                            u8 *, u8 *);
 143 s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *, u16 *, u16 *,
 144                                            u8 *, u8 *, u8 *);
 145 s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *, u16 *, u16 *, u8 *,
 146                                       u8 *, u8 *);
 147 
 148 /* DCB initialization */
 149 s32 ixgbe_dcb_config_82599(struct ixgbe_hw *,
 150                            struct ixgbe_dcb_config *);
 151 
 152 s32 ixgbe_dcb_hw_config_82599(struct ixgbe_hw *, int, u16 *, u16 *, u8 *,
 153                               u8 *, u8 *);
 154 #endif /* _IXGBE_DCB_82959_H_ */