1 /*******************************************************************************
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2010 Intel Corporation.
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.
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
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.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 *******************************************************************************/
28 #ifndef _DCB_82599_CONFIG_H_
29 #define _DCB_82599_CONFIG_H_
31 /* DCB register definitions */
32 #define IXGBE_RTTDCS_TDPAC 0x00000001 /* 0 Round Robin,
33 * 1 WSP - Weighted Strict Priority
35 #define IXGBE_RTTDCS_VMPAC 0x00000002 /* 0 Round Robin,
36 * 1 WRR - Weighted Round Robin
38 #define IXGBE_RTTDCS_TDRM 0x00000010 /* Transmit Recycle Mode */
39 #define IXGBE_RTTDCS_ARBDIS 0x00000040 /* DCB arbiter disable */
40 #define IXGBE_RTTDCS_BDPM 0x00400000 /* Bypass Data Pipe - must clear! */
41 #define IXGBE_RTTDCS_BPBFSM 0x00800000 /* Bypass PB Free Space - must
44 #define IXGBE_RTTDCS_SPEED_CHG 0x80000000 /* Link speed change */
46 /* Receive UP2TC mapping */
47 #define IXGBE_RTRUP2TC_UP_SHIFT 3
48 /* Transmit UP2TC mapping */
49 #define IXGBE_RTTUP2TC_UP_SHIFT 3
51 #define IXGBE_RTRPT4C_MCL_SHIFT 12 /* Offset to Max Credit Limit setting */
52 #define IXGBE_RTRPT4C_BWG_SHIFT 9 /* Offset to BWG index */
53 #define IXGBE_RTRPT4C_GSP 0x40000000 /* GSP enable bit */
54 #define IXGBE_RTRPT4C_LSP 0x80000000 /* LSP enable bit */
56 #define IXGBE_RDRXCTL_MPBEN 0x00000010 /* DMA config for multiple packet
59 #define IXGBE_RDRXCTL_MCEN 0x00000040 /* DMA config for multiple cores
63 /* RTRPCS Bit Masks */
64 #define IXGBE_RTRPCS_RRM 0x00000002 /* Receive Recycle Mode enable */
65 /* Receive Arbitration Control: 0 Round Robin, 1 DFP */
66 #define IXGBE_RTRPCS_RAC 0x00000004
67 #define IXGBE_RTRPCS_ARBDIS 0x00000040 /* Arbitration disable bit */
69 /* RTTDT2C Bit Masks */
70 #define IXGBE_RTTDT2C_MCL_SHIFT 12
71 #define IXGBE_RTTDT2C_BWG_SHIFT 9
72 #define IXGBE_RTTDT2C_GSP 0x40000000
73 #define IXGBE_RTTDT2C_LSP 0x80000000
75 #define IXGBE_RTTPT2C_MCL_SHIFT 12
76 #define IXGBE_RTTPT2C_BWG_SHIFT 9
77 #define IXGBE_RTTPT2C_GSP 0x40000000
78 #define IXGBE_RTTPT2C_LSP 0x80000000
80 /* RTTPCS Bit Masks */
81 #define IXGBE_RTTPCS_TPPAC 0x00000020 /* 0 Round Robin,
82 * 1 SP - Strict Priority
84 #define IXGBE_RTTPCS_ARBDIS 0x00000040 /* Arbiter disable */
85 #define IXGBE_RTTPCS_TPRM 0x00000100 /* Transmit Recycle Mode enable */
86 #define IXGBE_RTTPCS_ARBD_SHIFT 22
87 #define IXGBE_RTTPCS_ARBD_DCB 0x4 /* Arbitration delay in DCB mode */
89 #define IXGBE_TXPBSIZE_20KB 0x00005000 /* 20KB Packet Buffer */
90 #define IXGBE_TXPBSIZE_40KB 0x0000A000 /* 40KB Packet Buffer */
91 #define IXGBE_RXPBSIZE_48KB 0x0000C000 /* 48KB Packet Buffer */
92 #define IXGBE_RXPBSIZE_64KB 0x00010000 /* 64KB Packet Buffer */
93 #define IXGBE_RXPBSIZE_80KB 0x00014000 /* 80KB Packet Buffer */
94 #define IXGBE_RXPBSIZE_128KB 0x00020000 /* 128KB Packet Buffer */
96 #define IXGBE_TXPBTHRESH_DCB 0xA /* THRESH value for DCB mode */
99 /* DCB hardware-specific driver APIs */
101 /* DCB PFC functions */
102 s32
ixgbe_dcb_config_pfc_82599(struct ixgbe_hw
*hw
,
103 struct ixgbe_dcb_config
*dcb_config
);
104 s32
ixgbe_dcb_get_pfc_stats_82599(struct ixgbe_hw
*hw
,
105 struct ixgbe_hw_stats
*stats
,
108 /* DCB traffic class stats */
109 s32
ixgbe_dcb_config_tc_stats_82599(struct ixgbe_hw
*hw
);
110 s32
ixgbe_dcb_get_tc_stats_82599(struct ixgbe_hw
*hw
,
111 struct ixgbe_hw_stats
*stats
,
114 /* DCB config arbiters */
115 s32
ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw
*hw
,
116 struct ixgbe_dcb_config
*dcb_config
);
117 s32
ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw
*hw
,
118 struct ixgbe_dcb_config
*dcb_config
);
119 s32
ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw
*hw
,
120 struct ixgbe_dcb_config
*dcb_config
);
123 /* DCB hw initialization */
124 s32
ixgbe_dcb_hw_config_82599(struct ixgbe_hw
*hw
,
125 struct ixgbe_dcb_config
*config
);
127 #endif /* _DCB_82599_CONFIG_H */
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