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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