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/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright(c) 1999 - 2018 Intel Corporation. */
#ifndef _DCB_82599_CONFIG_H_
#define _DCB_82599_CONFIG_H_
/* DCB register definitions */
#define IXGBE_RTTDCS_TDPAC 0x00000001 /* 0 Round Robin,
* 1 WSP - Weighted Strict Priority
*/
#define IXGBE_RTTDCS_VMPAC 0x00000002 /* 0 Round Robin,
* 1 WRR - Weighted Round Robin
*/
#define IXGBE_RTTDCS_TDRM 0x00000010 /* Transmit Recycle Mode */
#define IXGBE_RTTDCS_ARBDIS 0x00000040 /* DCB arbiter disable */
#define IXGBE_RTTDCS_BDPM 0x00400000 /* Bypass Data Pipe - must clear! */
#define IXGBE_RTTDCS_BPBFSM 0x00800000 /* Bypass PB Free Space - must
* clear!
*/
#define IXGBE_RTTDCS_SPEED_CHG 0x80000000 /* Link speed change */
/* Receive UP2TC mapping */
#define IXGBE_RTRUP2TC_UP_SHIFT 3
#define IXGBE_RTRUP2TC_UP_MASK 7
/* Transmit UP2TC mapping */
#define IXGBE_RTTUP2TC_UP_SHIFT 3
#define IXGBE_RTRPT4C_MCL_SHIFT 12 /* Offset to Max Credit Limit setting */
#define IXGBE_RTRPT4C_BWG_SHIFT 9 /* Offset to BWG index */
#define IXGBE_RTRPT4C_GSP 0x40000000 /* GSP enable bit */
#define IXGBE_RTRPT4C_LSP 0x80000000 /* LSP enable bit */
#define IXGBE_RDRXCTL_MPBEN 0x00000010 /* DMA config for multiple packet
* buffers enable
*/
#define IXGBE_RDRXCTL_MCEN 0x00000040 /* DMA config for multiple cores
* (RSS) enable
*/
/* RTRPCS Bit Masks */
#define IXGBE_RTRPCS_RRM 0x00000002 /* Receive Recycle Mode enable */
/* Receive Arbitration Control: 0 Round Robin, 1 DFP */
#define IXGBE_RTRPCS_RAC 0x00000004
#define IXGBE_RTRPCS_ARBDIS 0x00000040 /* Arbitration disable bit */
/* RTTDT2C Bit Masks */
#define IXGBE_RTTDT2C_MCL_SHIFT 12
#define IXGBE_RTTDT2C_BWG_SHIFT 9
#define IXGBE_RTTDT2C_GSP 0x40000000
#define IXGBE_RTTDT2C_LSP 0x80000000
#define IXGBE_RTTPT2C_MCL_SHIFT 12
#define IXGBE_RTTPT2C_BWG_SHIFT 9
#define IXGBE_RTTPT2C_GSP 0x40000000
#define IXGBE_RTTPT2C_LSP 0x80000000
/* RTTPCS Bit Masks */
#define IXGBE_RTTPCS_TPPAC 0x00000020 /* 0 Round Robin,
* 1 SP - Strict Priority
*/
#define IXGBE_RTTPCS_ARBDIS 0x00000040 /* Arbiter disable */
#define IXGBE_RTTPCS_TPRM 0x00000100 /* Transmit Recycle Mode enable */
#define IXGBE_RTTPCS_ARBD_SHIFT 22
#define IXGBE_RTTPCS_ARBD_DCB 0x4 /* Arbitration delay in DCB mode */
/* SECTXMINIFG DCB */
#define IXGBE_SECTX_DCB 0x00001F00 /* DCB TX Buffer IFG */
/* DCB hardware-specific driver APIs */
/* DCB PFC functions */
int ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *hw, u8 pfc_en, u8 *prio_tc);
/* DCB hw initialization */
int ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *hw, u16 *refill,
u16 *max, u8 *bwg_id, u8 *prio_type,
u8 *prio_tc);
int ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *hw, u16 *refill,
u16 *max, u8 *bwg_id, u8 *prio_type);
int ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *hw, u16 *refill,
u16 *max, u8 *bwg_id, u8 *prio_type,
u8 *prio_tc);
int ixgbe_dcb_hw_config_82599(struct ixgbe_hw *hw, u8 pfc_en, u16 *refill,
u16 *max, u8 *bwg_id, u8 *prio_type,
u8 *prio_tc);
#endif /* _DCB_82599_CONFIG_H */
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