xref: /freebsd/sys/dev/ixgbe/ixgbe_dcb_82599.h (revision b1f9167f94059fd55c630891d359bcff987bd7eb)
1 /******************************************************************************
2 
3   Copyright (c) 2001-2013, Intel Corporation
4   All rights reserved.
5 
6   Redistribution and use in source and binary forms, with or without
7   modification, are permitted provided that the following conditions are met:
8 
9    1. Redistributions of source code must retain the above copyright notice,
10       this list of conditions and the following disclaimer.
11 
12    2. Redistributions in binary form must reproduce the above copyright
13       notice, this list of conditions and the following disclaimer in the
14       documentation and/or other materials provided with the distribution.
15 
16    3. Neither the name of the Intel Corporation nor the names of its
17       contributors may be used to endorse or promote products derived from
18       this software without specific prior written permission.
19 
20   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   POSSIBILITY OF SUCH DAMAGE.
31 
32 ******************************************************************************/
33 /*$FreeBSD$*/
34 
35 #ifndef _IXGBE_DCB_82599_H_
36 #define _IXGBE_DCB_82599_H_
37 
38 /* DCB register definitions */
39 #define IXGBE_RTTDCS_TDPAC	0x00000001 /* 0 Round Robin,
40 					    * 1 WSP - Weighted Strict Priority
41 					    */
42 #define IXGBE_RTTDCS_VMPAC	0x00000002 /* 0 Round Robin,
43 					    * 1 WRR - Weighted Round Robin
44 					    */
45 #define IXGBE_RTTDCS_TDRM	0x00000010 /* Transmit Recycle Mode */
46 #define IXGBE_RTTDCS_BDPM	0x00400000 /* Bypass Data Pipe - must clear! */
47 #define IXGBE_RTTDCS_BPBFSM	0x00800000 /* Bypass PB Free Space - must
48 					     * clear!
49 					     */
50 #define IXGBE_RTTDCS_SPEED_CHG	0x80000000 /* Link speed change */
51 
52 /* Receive UP2TC mapping */
53 #define IXGBE_RTRUP2TC_UP_SHIFT	3
54 #define IXGBE_RTRUP2TC_UP_MASK	7
55 /* Transmit UP2TC mapping */
56 #define IXGBE_RTTUP2TC_UP_SHIFT	3
57 
58 #define IXGBE_RTRPT4C_MCL_SHIFT	12 /* Offset to Max Credit Limit setting */
59 #define IXGBE_RTRPT4C_BWG_SHIFT	9  /* Offset to BWG index */
60 #define IXGBE_RTRPT4C_GSP	0x40000000 /* GSP enable bit */
61 #define IXGBE_RTRPT4C_LSP	0x80000000 /* LSP enable bit */
62 
63 #define IXGBE_RDRXCTL_MPBEN	0x00000010 /* DMA config for multiple packet
64 					    * buffers enable
65 					    */
66 #define IXGBE_RDRXCTL_MCEN	0x00000040 /* DMA config for multiple cores
67 					    * (RSS) enable
68 					    */
69 
70 /* RTRPCS Bit Masks */
71 #define IXGBE_RTRPCS_RRM	0x00000002 /* Receive Recycle Mode enable */
72 /* Receive Arbitration Control: 0 Round Robin, 1 DFP */
73 #define IXGBE_RTRPCS_RAC	0x00000004
74 #define IXGBE_RTRPCS_ARBDIS	0x00000040 /* Arbitration disable bit */
75 
76 /* RTTDT2C Bit Masks */
77 #define IXGBE_RTTDT2C_MCL_SHIFT	12
78 #define IXGBE_RTTDT2C_BWG_SHIFT	9
79 #define IXGBE_RTTDT2C_GSP	0x40000000
80 #define IXGBE_RTTDT2C_LSP	0x80000000
81 
82 #define IXGBE_RTTPT2C_MCL_SHIFT	12
83 #define IXGBE_RTTPT2C_BWG_SHIFT	9
84 #define IXGBE_RTTPT2C_GSP	0x40000000
85 #define IXGBE_RTTPT2C_LSP	0x80000000
86 
87 /* RTTPCS Bit Masks */
88 #define IXGBE_RTTPCS_TPPAC	0x00000020 /* 0 Round Robin,
89 					    * 1 SP - Strict Priority
90 					    */
91 #define IXGBE_RTTPCS_ARBDIS	0x00000040 /* Arbiter disable */
92 #define IXGBE_RTTPCS_TPRM	0x00000100 /* Transmit Recycle Mode enable */
93 #define IXGBE_RTTPCS_ARBD_SHIFT	22
94 #define IXGBE_RTTPCS_ARBD_DCB	0x4 /* Arbitration delay in DCB mode */
95 
96 #define IXGBE_TXPBTHRESH_DCB	0xA /* THRESH value for DCB mode */
97 
98 /* SECTXMINIFG DCB */
99 #define IXGBE_SECTX_DCB		0x00001F00 /* DCB TX Buffer SEC IFG */
100 
101 /* BCN register definitions */
102 #define IXGBE_RTTBCNRC_RF_INT_SHIFT	14
103 #define IXGBE_RTTBCNRC_RS_ENA		0x80000000
104 
105 #define IXGBE_RTTBCNCR_MNG_CMTGI	0x00000001
106 #define IXGBE_RTTBCNCR_MGN_BCNA_MODE	0x00000002
107 #define IXGBE_RTTBCNCR_RSV7_11_SHIFT	5
108 #define IXGBE_RTTBCNCR_G		0x00000400
109 #define IXGBE_RTTBCNCR_I		0x00000800
110 #define IXGBE_RTTBCNCR_H		0x00001000
111 #define IXGBE_RTTBCNCR_VER_SHIFT	14
112 #define IXGBE_RTTBCNCR_CMT_ETH_SHIFT	16
113 
114 #define IXGBE_RTTBCNACL_SMAC_L_SHIFT	16
115 
116 #define IXGBE_RTTBCNTG_BCNA_MODE	0x80000000
117 
118 #define IXGBE_RTTBCNRTT_TS_SHIFT	3
119 #define IXGBE_RTTBCNRTT_TXQ_IDX_SHIFT	16
120 
121 #define IXGBE_RTTBCNRD_BCN_CLEAR_ALL	0x00000002
122 #define IXGBE_RTTBCNRD_DRIFT_FAC_SHIFT	2
123 #define IXGBE_RTTBCNRD_DRIFT_INT_SHIFT	16
124 #define IXGBE_RTTBCNRD_DRIFT_ENA	0x80000000
125 
126 
127 /* DCB driver APIs */
128 
129 /* DCB PFC */
130 s32 ixgbe_dcb_config_pfc_82599(struct ixgbe_hw *, u8, u8 *);
131 
132 /* DCB stats */
133 s32 ixgbe_dcb_config_tc_stats_82599(struct ixgbe_hw *,
134 				    struct ixgbe_dcb_config *);
135 s32 ixgbe_dcb_get_tc_stats_82599(struct ixgbe_hw *,
136 				 struct ixgbe_hw_stats *, u8);
137 s32 ixgbe_dcb_get_pfc_stats_82599(struct ixgbe_hw *,
138 				  struct ixgbe_hw_stats *, u8);
139 
140 /* DCB config arbiters */
141 s32 ixgbe_dcb_config_tx_desc_arbiter_82599(struct ixgbe_hw *, u16 *, u16 *,
142 					   u8 *, u8 *);
143 s32 ixgbe_dcb_config_tx_data_arbiter_82599(struct ixgbe_hw *, u16 *, u16 *,
144 					   u8 *, u8 *, u8 *);
145 s32 ixgbe_dcb_config_rx_arbiter_82599(struct ixgbe_hw *, u16 *, u16 *, u8 *,
146 				      u8 *, u8 *);
147 
148 /* DCB initialization */
149 s32 ixgbe_dcb_config_82599(struct ixgbe_hw *,
150 			   struct ixgbe_dcb_config *);
151 
152 s32 ixgbe_dcb_hw_config_82599(struct ixgbe_hw *, int, u16 *, u16 *, u8 *,
153 			      u8 *, u8 *);
154 #endif /* _IXGBE_DCB_82959_H_ */
155