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 */ 98s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, u8 pfc_en, u8 *prio_tc); 99 100/* DCB hw initialization */ 101s32 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 108s32 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 114s32 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 121s32 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 */ 126