1/* SPDX-License-Identifier: GPL-2.0 */
2/* Copyright(c) 1999 - 2018 Intel Corporation. */
3
4#ifndef _DCB_82598_CONFIG_H_
5#define _DCB_82598_CONFIG_H_
6
7/* DCB register definitions */
8
9#define IXGBE_DPMCS_MTSOS_SHIFT 16
10#define IXGBE_DPMCS_TDPAC 0x00000001 /* 0 Round Robin, 1 DFP - Deficit Fixed Priority */
11#define IXGBE_DPMCS_TRM 0x00000010 /* Transmit Recycle Mode */
12#define IXGBE_DPMCS_ARBDIS 0x00000040 /* DCB arbiter disable */
13#define IXGBE_DPMCS_TSOEF 0x00080000 /* TSO Expand Factor: 0=x4, 1=x2 */
14
15#define IXGBE_RUPPBMR_MQA 0x80000000 /* Enable UP to queue mapping */
16
17#define IXGBE_RT2CR_MCL_SHIFT 12 /* Offset to Max Credit Limit setting */
18#define IXGBE_RT2CR_LSP 0x80000000 /* LSP enable bit */
19
20#define IXGBE_RDRXCTL_MPBEN 0x00000010 /* DMA config for multiple packet buffers enable */
21#define IXGBE_RDRXCTL_MCEN 0x00000040 /* DMA config for multiple cores (RSS) enable */
22
23#define IXGBE_TDTQ2TCCR_MCL_SHIFT 12
24#define IXGBE_TDTQ2TCCR_BWG_SHIFT 9
25#define IXGBE_TDTQ2TCCR_GSP 0x40000000
26#define IXGBE_TDTQ2TCCR_LSP 0x80000000
27
28#define IXGBE_TDPT2TCCR_MCL_SHIFT 12
29#define IXGBE_TDPT2TCCR_BWG_SHIFT 9
30#define IXGBE_TDPT2TCCR_GSP 0x40000000
31#define IXGBE_TDPT2TCCR_LSP 0x80000000
32
33#define IXGBE_PDPMCS_TPPAC 0x00000020 /* 0 Round Robin, 1 for DFP - Deficit Fixed Priority */
34#define IXGBE_PDPMCS_ARBDIS 0x00000040 /* Arbiter disable */
35#define IXGBE_PDPMCS_TRM 0x00000100 /* Transmit Recycle Mode enable */
36
37#define IXGBE_DTXCTL_ENDBUBD 0x00000004 /* Enable DBU buffer division */
38
39#define IXGBE_TXPBSIZE_40KB 0x0000A000 /* 40KB Packet Buffer */
40#define IXGBE_RXPBSIZE_48KB 0x0000C000 /* 48KB Packet Buffer */
41#define IXGBE_RXPBSIZE_64KB 0x00010000 /* 64KB Packet Buffer */
42#define IXGBE_RXPBSIZE_80KB 0x00014000 /* 80KB Packet Buffer */
43
44#define IXGBE_RDRXCTL_RDMTS_1_2 0x00000000
45
46/* DCB hardware-specific driver APIs */
47
48/* DCB PFC functions */
49s32 ixgbe_dcb_config_pfc_82598(struct ixgbe_hw *, u8 pfc_en);
50
51/* DCB hw initialization */
52s32 ixgbe_dcb_config_rx_arbiter_82598(struct ixgbe_hw *hw,
53 u16 *refill,
54 u16 *max,
55 u8 *prio_type);
56
57s32 ixgbe_dcb_config_tx_desc_arbiter_82598(struct ixgbe_hw *hw,
58 u16 *refill,
59 u16 *max,
60 u8 *bwg_id,
61 u8 *prio_type);
62
63s32 ixgbe_dcb_config_tx_data_arbiter_82598(struct ixgbe_hw *hw,
64 u16 *refill,
65 u16 *max,
66 u8 *bwg_id,
67 u8 *prio_type);
68
69s32 ixgbe_dcb_hw_config_82598(struct ixgbe_hw *hw, u8 pfc_en, u16 *refill,
70 u16 *max, u8 *bwg_id, u8 *prio_type);
71
72#endif /* _DCB_82598_CONFIG_H */
73

source code of linux/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h