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ixgbe_dcb_82599.h revision 1.5
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      2   SPDX-License-Identifier: BSD-3-Clause
      3 
      4   Copyright (c) 2001-2017, Intel Corporation
      5   All rights reserved.
      6 
      7   Redistribution and use in source and binary forms, with or without
      8   modification, are permitted provided that the following conditions are met:
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     10    1. Redistributions of source code must retain the above copyright notice,
     11       this list of conditions and the following disclaimer.
     12 
     13    2. Redistributions in binary form must reproduce the above copyright
     14       notice, this list of conditions and the following disclaimer in the
     15       documentation and/or other materials provided with the distribution.
     16 
     17    3. Neither the name of the Intel Corporation nor the names of its
     18       contributors may be used to endorse or promote products derived from
     19       this software without specific prior written permission.
     20 
     21   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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     23   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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     33 ******************************************************************************/
     34 /*$FreeBSD: head/sys/dev/ixgbe/ixgbe_dcb_82599.h 320688 2017-07-05 17:27:03Z erj $*/
     35 
     36 #ifndef _IXGBE_DCB_82599_H_
     37 #define _IXGBE_DCB_82599_H_
     38 
     39 /* DCB register definitions */
     40 #define IXGBE_RTTDCS_TDPAC	0x00000001 /* 0 Round Robin,
     41 					    * 1 WSP - Weighted Strict Priority
     42 					    */
     43 #define IXGBE_RTTDCS_VMPAC	0x00000002 /* 0 Round Robin,
     44 					    * 1 WRR - Weighted Round Robin
     45 					    */
     46 #define IXGBE_RTTDCS_TDRM	0x00000010 /* Transmit Recycle Mode */
     47 #define IXGBE_RTTDCS_BDPM	0x00400000 /* Bypass Data Pipe - must clear! */
     48 #define IXGBE_RTTDCS_BPBFSM	0x00800000 /* Bypass PB Free Space - must
     49 					     * clear!
     50 					     */
     51 #define IXGBE_RTTDCS_SPEED_CHG	0x80000000 /* Link speed change */
     52 
     53 /* Receive UP2TC mapping */
     54 #define IXGBE_RTRUP2TC_UP_SHIFT	3
     55 #define IXGBE_RTRUP2TC_UP_MASK	7
     56 /* Transmit UP2TC mapping */
     57 #define IXGBE_RTTUP2TC_UP_SHIFT	3
     58 
     59 #define IXGBE_RTRPT4C_MCL_SHIFT	12 /* Offset to Max Credit Limit setting */
     60 #define IXGBE_RTRPT4C_BWG_SHIFT	9  /* Offset to BWG index */
     61 #define IXGBE_RTRPT4C_GSP	0x40000000 /* GSP enable bit */
     62 #define IXGBE_RTRPT4C_LSP	0x80000000 /* LSP enable bit */
     63 
     64 #define IXGBE_RDRXCTL_MPBEN	0x00000010 /* DMA config for multiple packet
     65 					    * buffers enable
     66 					    */
     67 #define IXGBE_RDRXCTL_MCEN	0x00000040 /* DMA config for multiple cores
     68 					    * (RSS) enable
     69 					    */
     70 
     71 /* RTRPCS Bit Masks */
     72 #define IXGBE_RTRPCS_RRM	0x00000002 /* Receive Recycle Mode enable */
     73 /* Receive Arbitration Control: 0 Round Robin, 1 DFP */
     74 #define IXGBE_RTRPCS_RAC	0x00000004
     75 #define IXGBE_RTRPCS_ARBDIS	0x00000040 /* Arbitration disable bit */
     76 
     77 /* RTTDT2C Bit Masks */
     78 #define IXGBE_RTTDT2C_MCL_SHIFT	12
     79 #define IXGBE_RTTDT2C_BWG_SHIFT	9
     80 #define IXGBE_RTTDT2C_GSP	0x40000000
     81 #define IXGBE_RTTDT2C_LSP	0x80000000
     82 
     83 #define IXGBE_RTTPT2C_MCL_SHIFT	12
     84 #define IXGBE_RTTPT2C_BWG_SHIFT	9
     85 #define IXGBE_RTTPT2C_GSP	0x40000000
     86 #define IXGBE_RTTPT2C_LSP	0x80000000
     87 
     88 /* RTTPCS Bit Masks */
     89 #define IXGBE_RTTPCS_TPPAC	0x00000020 /* 0 Round Robin,
     90 					    * 1 SP - Strict Priority
     91 					    */
     92 #define IXGBE_RTTPCS_ARBDIS	0x00000040 /* Arbiter disable */
     93 #define IXGBE_RTTPCS_TPRM	0x00000100 /* Transmit Recycle Mode enable */
     94 #define IXGBE_RTTPCS_ARBD_SHIFT	22
     95 #define IXGBE_RTTPCS_ARBD_DCB	0x4 /* Arbitration delay in DCB mode */
     96 
     97 #define IXGBE_TXPBTHRESH_DCB	0xA /* THRESH value for DCB mode */
     98 
     99 /* SECTXMINIFG DCB */
    100 #define IXGBE_SECTX_DCB		0x00001F00 /* DCB TX Buffer SEC IFG */
    101 
    102 /* BCN register definitions */
    103 #define IXGBE_RTTBCNRC_RF_INT_SHIFT	14
    104 #define IXGBE_RTTBCNRC_RS_ENA		0x80000000
    105 
    106 #define IXGBE_RTTBCNCR_MNG_CMTGI	0x00000001
    107 #define IXGBE_RTTBCNCR_MGN_BCNA_MODE	0x00000002
    108 #define IXGBE_RTTBCNCR_RSV7_11_SHIFT	5
    109 #define IXGBE_RTTBCNCR_G		0x00000400
    110 #define IXGBE_RTTBCNCR_I		0x00000800
    111 #define IXGBE_RTTBCNCR_H		0x00001000
    112 #define IXGBE_RTTBCNCR_VER_SHIFT	14
    113 #define IXGBE_RTTBCNCR_CMT_ETH_SHIFT	16
    114 
    115 #define IXGBE_RTTBCNACL_SMAC_L_SHIFT	16
    116 
    117 #define IXGBE_RTTBCNTG_BCNA_MODE	0x80000000
    118 
    119 #define IXGBE_RTTBCNRTT_TS_SHIFT	3
    120 #define IXGBE_RTTBCNRTT_TXQ_IDX_SHIFT	16
    121 
    122 #define IXGBE_RTTBCNRD_BCN_CLEAR_ALL	0x00000002
    123 #define IXGBE_RTTBCNRD_DRIFT_FAC_SHIFT	2
    124 #define IXGBE_RTTBCNRD_DRIFT_INT_SHIFT	16
    125 #define IXGBE_RTTBCNRD_DRIFT_ENA	0x80000000
    126 
    127 
    128 /* DCB driver APIs */
    129 
    130 /* DCB PFC */
    131 s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *, u8, u8 *);
    132 
    133 /* DCB stats */
    134 s32 ixgbe_dcb_config_tc_stats_82599(struct ixgbe_hw *,
    135 				    struct ixgbe_dcb_config *);
    136 s32 ixgbe_dcb_get_tc_stats_82599(struct ixgbe_hw *,
    137 				 struct ixgbe_hw_stats *, u8);
    138 s32 ixgbe_dcb_get_pfc_stats_82599(struct ixgbe_hw *,
    139 				  struct ixgbe_hw_stats *, u8);
    140 
    141 /* DCB config arbiters */
    142 s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *, u16 *, u16 *,
    143 					   u8 *, u8 *);
    144 s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *, u16 *, u16 *,
    145 					   u8 *, u8 *, u8 *);
    146 s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *, u16 *, u16 *, u8 *,
    147 				      u8 *, u8 *);
    148 
    149 /* DCB initialization */
    150 s32 ixgbe_dcb_config_82599(struct ixgbe_hw *,
    151 			   struct ixgbe_dcb_config *);
    152 
    153 s32 ixgbe_dcb_hw_config_82599(struct ixgbe_hw *, int, u16 *, u16 *, u8 *,
    154 			      u8 *, u8 *);
    155 #endif /* _IXGBE_DCB_82959_H_ */
    156