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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
   3
   4 #ifndef _DCB_82599_CONFIG_H_
   5 #define _DCB_82599_CONFIG_H_
   6
   7 /* DCB register definitions */
   8 #define IXGBE_RTTDCS_TDPAC      0x00000001 /* 0 Round Robin,
   9                                             * 1 WSP - Weighted Strict Priority
  10                                             */
  11 #define IXGBE_RTTDCS_VMPAC      0x00000002 /* 0 Round Robin,
  12                                             * 1 WRR - Weighted Round Robin
  13                                             */
  14 #define IXGBE_RTTDCS_TDRM       0x00000010 /* Transmit Recycle Mode */
  15 #define IXGBE_RTTDCS_ARBDIS     0x00000040 /* DCB arbiter disable */
  16 #define IXGBE_RTTDCS_BDPM       0x00400000 /* Bypass Data Pipe - must clear! */
  17 #define IXGBE_RTTDCS_BPBFSM     0x00800000 /* Bypass PB Free Space - must
  18                                              * clear!
  19                                              */
  20 #define IXGBE_RTTDCS_SPEED_CHG  0x80000000 /* Link speed change */
  21
  22 /* Receive UP2TC mapping */
  23 #define IXGBE_RTRUP2TC_UP_SHIFT 3
  24 #define IXGBE_RTRUP2TC_UP_MASK  7
  25 /* Transmit UP2TC mapping */
  26 #define IXGBE_RTTUP2TC_UP_SHIFT 3
  27
  28 #define IXGBE_RTRPT4C_MCL_SHIFT 12 /* Offset to Max Credit Limit setting */
  29 #define IXGBE_RTRPT4C_BWG_SHIFT 9  /* Offset to BWG index */
  30 #define IXGBE_RTRPT4C_GSP       0x40000000 /* GSP enable bit */
  31 #define IXGBE_RTRPT4C_LSP       0x80000000 /* LSP enable bit */
  32
  33 #define IXGBE_RDRXCTL_MPBEN     0x00000010 /* DMA config for multiple packet
  34                                             * buffers enable
  35                                             */
  36 #define IXGBE_RDRXCTL_MCEN      0x00000040 /* DMA config for multiple cores
  37                                             * (RSS) enable
  38                                             */
  39
  40 /* RTRPCS Bit Masks */
  41 #define IXGBE_RTRPCS_RRM        0x00000002 /* Receive Recycle Mode enable */
  42 /* Receive Arbitration Control: 0 Round Robin, 1 DFP */
  43 #define IXGBE_RTRPCS_RAC        0x00000004
  44 #define IXGBE_RTRPCS_ARBDIS     0x00000040 /* Arbitration disable bit */
  45
  46 /* RTTDT2C Bit Masks */
  47 #define IXGBE_RTTDT2C_MCL_SHIFT 12
  48 #define IXGBE_RTTDT2C_BWG_SHIFT 9
  49 #define IXGBE_RTTDT2C_GSP       0x40000000
  50 #define IXGBE_RTTDT2C_LSP       0x80000000
  51
  52 #define IXGBE_RTTPT2C_MCL_SHIFT 12
  53 #define IXGBE_RTTPT2C_BWG_SHIFT 9
  54 #define IXGBE_RTTPT2C_GSP       0x40000000
  55 #define IXGBE_RTTPT2C_LSP       0x80000000
  56
  57 /* RTTPCS Bit Masks */
  58 #define IXGBE_RTTPCS_TPPAC      0x00000020 /* 0 Round Robin,
  59                                             * 1 SP - Strict Priority
  60                                             */
  61 #define IXGBE_RTTPCS_ARBDIS     0x00000040 /* Arbiter disable */
  62 #define IXGBE_RTTPCS_TPRM       0x00000100 /* Transmit Recycle Mode enable */
  63 #define IXGBE_RTTPCS_ARBD_SHIFT 22
  64 #define IXGBE_RTTPCS_ARBD_DCB   0x4        /* Arbitration delay in DCB mode */
  65
  66 /* SECTXMINIFG DCB */
  67 #define IXGBE_SECTX_DCB         0x00001F00 /* DCB TX Buffer IFG */
  68
  69
  70 /* DCB hardware-specific driver APIs */
  71
  72 /* DCB PFC functions */
  73 s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, u8 pfc_en, u8 *prio_tc);
  74
  75 /* DCB hw initialization */
  76 s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw,
  77                                         u16 *refill,
  78                                         u16 *max,
  79                                         u8 *bwg_id,
  80                                         u8 *prio_type,
  81                                         u8 *prio_tc);
  82
  83 s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw,
  84                                                 u16 *refill,
  85                                                 u16 *max,
  86                                                 u8 *bwg_id,
  87                                                 u8 *prio_type);
  88
  89 s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw,
  90                                                 u16 *refill,
  91                                                 u16 *max,
  92                                                 u8 *bwg_id,
  93                                                 u8 *prio_type,
  94                                                 u8 *prio_tc);
  95
  96 s32 ixgbe_dcb_hw_config_82599(struct ixgbe_hw *hw, u8 pfc_en, u16 *refill,
  97                               u16 *max, u8 *bwg_id, u8 *prio_type,
  98                               u8 *prio_tc);
  99
 100 #endif /* _DCB_82599_CONFIG_H */