1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2015 - 2022 Beijing WangXun Technology Co., Ltd. */
3 
4 #ifndef _WX_TYPE_H_
5 #define _WX_TYPE_H_
6 
7 #include <linux/bitfield.h>
8 #include <linux/netdevice.h>
9 #include <linux/if_vlan.h>
10 #include <linux/phylink.h>
11 #include <net/ip.h>
12 
13 #define WX_NCSI_SUP                             0x8000
14 #define WX_NCSI_MASK                            0x8000
15 #define WX_WOL_SUP                              0x4000
16 #define WX_WOL_MASK                             0x4000
17 
18 /* MSI-X capability fields masks */
19 #define WX_PCIE_MSIX_TBL_SZ_MASK                0x7FF
20 #define WX_PCI_LINK_STATUS                      0xB2
21 
22 /**************** Global Registers ****************************/
23 /* chip control Registers */
24 #define WX_MIS_PWR                   0x10000
25 #define WX_MIS_RST                   0x1000C
26 #define WX_MIS_RST_LAN_RST(_i)       BIT((_i) + 1)
27 #define WX_MIS_RST_SW_RST            BIT(0)
28 #define WX_MIS_ST                    0x10028
29 #define WX_MIS_ST_MNG_INIT_DN        BIT(0)
30 #define WX_MIS_SWSM                  0x1002C
31 #define WX_MIS_SWSM_SMBI             BIT(0)
32 #define WX_MIS_RST_ST                0x10030
33 #define WX_MIS_RST_ST_RST_INI_SHIFT  8
34 #define WX_MIS_RST_ST_RST_INIT       (0xFF << WX_MIS_RST_ST_RST_INI_SHIFT)
35 
36 /* FMGR Registers */
37 #define WX_SPI_CMD                   0x10104
38 #define WX_SPI_CMD_READ_DWORD        0x1
39 #define WX_SPI_CLK_DIV               0x3
40 #define WX_SPI_CMD_CMD(_v)           FIELD_PREP(GENMASK(30, 28), _v)
41 #define WX_SPI_CMD_CLK(_v)           FIELD_PREP(GENMASK(27, 25), _v)
42 #define WX_SPI_CMD_ADDR(_v)          FIELD_PREP(GENMASK(23, 0), _v)
43 #define WX_SPI_DATA                  0x10108
44 #define WX_SPI_DATA_BYPASS           BIT(31)
45 #define WX_SPI_DATA_OP_DONE          BIT(0)
46 #define WX_SPI_STATUS                0x1010C
47 #define WX_SPI_STATUS_OPDONE         BIT(0)
48 #define WX_SPI_STATUS_FLASH_BYPASS   BIT(31)
49 #define WX_SPI_ILDR_STATUS           0x10120
50 
51 /* Sensors for PVT(Process Voltage Temperature) */
52 #define WX_TS_EN                     0x10304
53 #define WX_TS_EN_ENA                 BIT(0)
54 #define WX_TS_ALARM_THRE             0x1030C
55 #define WX_TS_DALARM_THRE            0x10310
56 #define WX_TS_INT_EN                 0x10314
57 #define WX_TS_INT_EN_DALARM_INT_EN   BIT(1)
58 #define WX_TS_INT_EN_ALARM_INT_EN    BIT(0)
59 #define WX_TS_ALARM_ST               0x10318
60 #define WX_TS_ALARM_ST_DALARM        BIT(1)
61 #define WX_TS_ALARM_ST_ALARM         BIT(0)
62 
63 /* statistic */
64 #define WX_TX_FRAME_CNT_GOOD_BAD_L   0x1181C
65 #define WX_TX_BC_FRAMES_GOOD_L       0x11824
66 #define WX_TX_MC_FRAMES_GOOD_L       0x1182C
67 #define WX_RX_FRAME_CNT_GOOD_BAD_L   0x11900
68 #define WX_RX_BC_FRAMES_GOOD_L       0x11918
69 #define WX_RX_MC_FRAMES_GOOD_L       0x11920
70 #define WX_RX_CRC_ERROR_FRAMES_L     0x11928
71 #define WX_RX_LEN_ERROR_FRAMES_L     0x11978
72 #define WX_RX_UNDERSIZE_FRAMES_GOOD  0x11938
73 #define WX_RX_OVERSIZE_FRAMES_GOOD   0x1193C
74 #define WX_MAC_LXONOFFRXC            0x11E0C
75 
76 /*********************** Receive DMA registers **************************/
77 #define WX_RDM_DRP_PKT               0x12500
78 #define WX_RDM_PKT_CNT               0x12504
79 #define WX_RDM_BYTE_CNT_LSB          0x12508
80 #define WX_RDM_BMC2OS_CNT            0x12510
81 
82 /************************* Port Registers ************************************/
83 /* port cfg Registers */
84 #define WX_CFG_PORT_CTL              0x14400
85 #define WX_CFG_PORT_CTL_DRV_LOAD     BIT(3)
86 #define WX_CFG_PORT_CTL_QINQ         BIT(2)
87 #define WX_CFG_PORT_CTL_D_VLAN       BIT(0) /* double vlan*/
88 #define WX_CFG_TAG_TPID(_i)          (0x14430 + ((_i) * 4))
89 #define WX_CFG_PORT_CTL_NUM_VT_MASK  GENMASK(13, 12) /* number of TVs */
90 
91 
92 /* GPIO Registers */
93 #define WX_GPIO_DR                   0x14800
94 #define WX_GPIO_DR_0                 BIT(0) /* SDP0 Data Value */
95 #define WX_GPIO_DR_1                 BIT(1) /* SDP1 Data Value */
96 #define WX_GPIO_DDR                  0x14804
97 #define WX_GPIO_DDR_0                BIT(0) /* SDP0 IO direction */
98 #define WX_GPIO_DDR_1                BIT(1) /* SDP1 IO direction */
99 #define WX_GPIO_CTL                  0x14808
100 #define WX_GPIO_INTEN                0x14830
101 #define WX_GPIO_INTEN_0              BIT(0)
102 #define WX_GPIO_INTEN_1              BIT(1)
103 #define WX_GPIO_INTMASK              0x14834
104 #define WX_GPIO_INTTYPE_LEVEL        0x14838
105 #define WX_GPIO_POLARITY             0x1483C
106 #define WX_GPIO_INTSTATUS            0x14844
107 #define WX_GPIO_EOI                  0x1484C
108 #define WX_GPIO_EXT                  0x14850
109 
110 /*********************** Transmit DMA registers **************************/
111 /* transmit global control */
112 #define WX_TDM_CTL                   0x18000
113 /* TDM CTL BIT */
114 #define WX_TDM_CTL_TE                BIT(0) /* Transmit Enable */
115 #define WX_TDM_PB_THRE(_i)           (0x18020 + ((_i) * 4))
116 #define WX_TDM_RP_IDX                0x1820C
117 #define WX_TDM_PKT_CNT               0x18308
118 #define WX_TDM_BYTE_CNT_LSB          0x1830C
119 #define WX_TDM_OS2BMC_CNT            0x18314
120 #define WX_TDM_RP_RATE               0x18404
121 
122 /***************************** RDB registers *********************************/
123 /* receive packet buffer */
124 #define WX_RDB_PB_CTL                0x19000
125 #define WX_RDB_PB_CTL_RXEN           BIT(31) /* Enable Receiver */
126 #define WX_RDB_PB_CTL_DISABLED       BIT(0)
127 #define WX_RDB_PB_SZ(_i)             (0x19020 + ((_i) * 4))
128 #define WX_RDB_PB_SZ_SHIFT           10
129 /* statistic */
130 #define WX_RDB_PFCMACDAL             0x19210
131 #define WX_RDB_PFCMACDAH             0x19214
132 #define WX_RDB_LXOFFTXC              0x19218
133 #define WX_RDB_LXONTXC               0x1921C
134 /* Flow Control Registers */
135 #define WX_RDB_RFCV                  0x19200
136 #define WX_RDB_RFCL                  0x19220
137 #define WX_RDB_RFCL_XONE             BIT(31)
138 #define WX_RDB_RFCH                  0x19260
139 #define WX_RDB_RFCH_XOFFE            BIT(31)
140 #define WX_RDB_RFCRT                 0x192A0
141 #define WX_RDB_RFCC                  0x192A4
142 #define WX_RDB_RFCC_RFCE_802_3X      BIT(3)
143 /* ring assignment */
144 #define WX_RDB_PL_CFG(_i)            (0x19300 + ((_i) * 4))
145 #define WX_RDB_PL_CFG_L4HDR          BIT(1)
146 #define WX_RDB_PL_CFG_L3HDR          BIT(2)
147 #define WX_RDB_PL_CFG_L2HDR          BIT(3)
148 #define WX_RDB_PL_CFG_TUN_TUNHDR     BIT(4)
149 #define WX_RDB_PL_CFG_TUN_OUTL2HDR   BIT(5)
150 #define WX_RDB_RSSTBL(_i)            (0x19400 + ((_i) * 4))
151 #define WX_RDB_RSSRK(_i)             (0x19480 + ((_i) * 4))
152 #define WX_RDB_RA_CTL                0x194F4
153 #define WX_RDB_RA_CTL_RSS_EN         BIT(2) /* RSS Enable */
154 #define WX_RDB_RA_CTL_RSS_IPV4_TCP   BIT(16)
155 #define WX_RDB_RA_CTL_RSS_IPV4       BIT(17)
156 #define WX_RDB_RA_CTL_RSS_IPV6       BIT(20)
157 #define WX_RDB_RA_CTL_RSS_IPV6_TCP   BIT(21)
158 #define WX_RDB_RA_CTL_RSS_IPV4_UDP   BIT(22)
159 #define WX_RDB_RA_CTL_RSS_IPV6_UDP   BIT(23)
160 
161 /******************************* PSR Registers *******************************/
162 /* psr control */
163 #define WX_PSR_CTL                   0x15000
164 /* Header split receive */
165 #define WX_PSR_CTL_SW_EN             BIT(18)
166 #define WX_PSR_CTL_RSC_ACK           BIT(17)
167 #define WX_PSR_CTL_RSC_DIS           BIT(16)
168 #define WX_PSR_CTL_PCSD              BIT(13)
169 #define WX_PSR_CTL_IPPCSE            BIT(12)
170 #define WX_PSR_CTL_BAM               BIT(10)
171 #define WX_PSR_CTL_UPE               BIT(9)
172 #define WX_PSR_CTL_MPE               BIT(8)
173 #define WX_PSR_CTL_MFE               BIT(7)
174 #define WX_PSR_CTL_MO_SHIFT          5
175 #define WX_PSR_CTL_MO                (0x3 << WX_PSR_CTL_MO_SHIFT)
176 #define WX_PSR_CTL_TPE               BIT(4)
177 #define WX_PSR_MAX_SZ                0x15020
178 #define WX_PSR_VLAN_CTL              0x15088
179 #define WX_PSR_VLAN_CTL_CFIEN        BIT(29)  /* bit 29 */
180 #define WX_PSR_VLAN_CTL_VFE          BIT(30)  /* bit 30 */
181 /* mcasst/ucast overflow tbl */
182 #define WX_PSR_MC_TBL(_i)            (0x15200  + ((_i) * 4))
183 #define WX_PSR_UC_TBL(_i)            (0x15400 + ((_i) * 4))
184 
185 /* VM L2 contorl */
186 #define WX_PSR_VM_L2CTL(_i)          (0x15600 + ((_i) * 4))
187 #define WX_PSR_VM_L2CTL_UPE          BIT(4) /* unicast promiscuous */
188 #define WX_PSR_VM_L2CTL_VACC         BIT(6) /* accept nomatched vlan */
189 #define WX_PSR_VM_L2CTL_AUPE         BIT(8) /* accept untagged packets */
190 #define WX_PSR_VM_L2CTL_ROMPE        BIT(9) /* accept packets in MTA tbl */
191 #define WX_PSR_VM_L2CTL_ROPE         BIT(10) /* accept packets in UC tbl */
192 #define WX_PSR_VM_L2CTL_BAM          BIT(11) /* accept broadcast packets */
193 #define WX_PSR_VM_L2CTL_MPE          BIT(12) /* multicast promiscuous */
194 
195 /* Management */
196 #define WX_PSR_MNG_FLEX_SEL          0x1582C
197 #define WX_PSR_MNG_FLEX_DW_L(_i)     (0x15A00 + ((_i) * 16))
198 #define WX_PSR_MNG_FLEX_DW_H(_i)     (0x15A04 + ((_i) * 16))
199 #define WX_PSR_MNG_FLEX_MSK(_i)      (0x15A08 + ((_i) * 16))
200 #define WX_PSR_LAN_FLEX_SEL          0x15B8C
201 #define WX_PSR_LAN_FLEX_DW_L(_i)     (0x15C00 + ((_i) * 16))
202 #define WX_PSR_LAN_FLEX_DW_H(_i)     (0x15C04 + ((_i) * 16))
203 #define WX_PSR_LAN_FLEX_MSK(_i)      (0x15C08 + ((_i) * 16))
204 
205 #define WX_PSR_WKUP_CTL              0x15B80
206 /* Wake Up Filter Control Bit */
207 #define WX_PSR_WKUP_CTL_MAG          BIT(1) /* Magic Packet Wakeup Enable */
208 
209 /* vlan tbl */
210 #define WX_PSR_VLAN_TBL(_i)          (0x16000 + ((_i) * 4))
211 
212 /* mac switcher */
213 #define WX_PSR_MAC_SWC_AD_L          0x16200
214 #define WX_PSR_MAC_SWC_AD_H          0x16204
215 #define WX_PSR_MAC_SWC_AD_H_AD(v)       FIELD_PREP(U16_MAX, v)
216 #define WX_PSR_MAC_SWC_AD_H_ADTYPE(v)   FIELD_PREP(BIT(30), v)
217 #define WX_PSR_MAC_SWC_AD_H_AV       BIT(31)
218 #define WX_PSR_MAC_SWC_VM_L          0x16208
219 #define WX_PSR_MAC_SWC_VM_H          0x1620C
220 #define WX_PSR_MAC_SWC_IDX           0x16210
221 #define WX_CLEAR_VMDQ_ALL            0xFFFFFFFFU
222 
223 /* vlan switch */
224 #define WX_PSR_VLAN_SWC              0x16220
225 #define WX_PSR_VLAN_SWC_VM_L         0x16224
226 #define WX_PSR_VLAN_SWC_VM_H         0x16228
227 #define WX_PSR_VLAN_SWC_IDX          0x16230         /* 64 vlan entries */
228 /* VLAN pool filtering masks */
229 #define WX_PSR_VLAN_SWC_VIEN         BIT(31)  /* filter is valid */
230 #define WX_PSR_VLAN_SWC_ENTRIES      64
231 
232 /********************************* RSEC **************************************/
233 /* general rsec */
234 #define WX_RSC_CTL                   0x17000
235 #define WX_RSC_CTL_SAVE_MAC_ERR      BIT(6)
236 #define WX_RSC_CTL_CRC_STRIP         BIT(2)
237 #define WX_RSC_CTL_RX_DIS            BIT(1)
238 #define WX_RSC_ST                    0x17004
239 #define WX_RSC_ST_RSEC_RDY           BIT(0)
240 
241 /****************************** TDB ******************************************/
242 #define WX_TDB_PB_SZ(_i)             (0x1CC00 + ((_i) * 4))
243 #define WX_TXPKT_SIZE_MAX            0xA /* Max Tx Packet size */
244 
245 /****************************** TSEC *****************************************/
246 /* Security Control Registers */
247 #define WX_TSC_CTL                   0x1D000
248 #define WX_TSC_CTL_TX_DIS            BIT(1)
249 #define WX_TSC_CTL_TSEC_DIS          BIT(0)
250 #define WX_TSC_ST                    0x1D004
251 #define WX_TSC_ST_SECTX_RDY          BIT(0)
252 #define WX_TSC_BUF_AE                0x1D00C
253 #define WX_TSC_BUF_AE_THR            GENMASK(9, 0)
254 
255 /************************************** MNG ********************************/
256 #define WX_MNG_SWFW_SYNC             0x1E008
257 #define WX_MNG_SWFW_SYNC_SW_MB       BIT(2)
258 #define WX_MNG_SWFW_SYNC_SW_FLASH    BIT(3)
259 #define WX_MNG_MBOX                  0x1E100
260 #define WX_MNG_MBOX_CTL              0x1E044
261 #define WX_MNG_MBOX_CTL_SWRDY        BIT(0)
262 #define WX_MNG_MBOX_CTL_FWRDY        BIT(2)
263 #define WX_MNG_BMC2OS_CNT            0x1E090
264 #define WX_MNG_OS2BMC_CNT            0x1E094
265 
266 /************************************* ETH MAC *****************************/
267 #define WX_MAC_TX_CFG                0x11000
268 #define WX_MAC_TX_CFG_TE             BIT(0)
269 #define WX_MAC_TX_CFG_SPEED_MASK     GENMASK(30, 29)
270 #define WX_MAC_TX_CFG_SPEED_10G      FIELD_PREP(WX_MAC_TX_CFG_SPEED_MASK, 0)
271 #define WX_MAC_TX_CFG_SPEED_1G       FIELD_PREP(WX_MAC_TX_CFG_SPEED_MASK, 3)
272 #define WX_MAC_RX_CFG                0x11004
273 #define WX_MAC_RX_CFG_RE             BIT(0)
274 #define WX_MAC_RX_CFG_JE             BIT(8)
275 #define WX_MAC_PKT_FLT               0x11008
276 #define WX_MAC_PKT_FLT_PR            BIT(0) /* promiscuous mode */
277 #define WX_MAC_WDG_TIMEOUT           0x1100C
278 #define WX_MAC_RX_FLOW_CTRL          0x11090
279 #define WX_MAC_RX_FLOW_CTRL_RFE      BIT(0) /* receive fc enable */
280 /* MDIO Registers */
281 #define WX_MSCA                      0x11200
282 #define WX_MSCA_RA(v)                FIELD_PREP(U16_MAX, v)
283 #define WX_MSCA_PA(v)                FIELD_PREP(GENMASK(20, 16), v)
284 #define WX_MSCA_DA(v)                FIELD_PREP(GENMASK(25, 21), v)
285 #define WX_MSCC                      0x11204
286 #define WX_MSCC_CMD(v)               FIELD_PREP(GENMASK(17, 16), v)
287 
288 enum WX_MSCA_CMD_value {
289 	WX_MSCA_CMD_RSV = 0,
290 	WX_MSCA_CMD_WRITE,
291 	WX_MSCA_CMD_POST_READ,
292 	WX_MSCA_CMD_READ,
293 };
294 
295 #define WX_MSCC_SADDR                BIT(18)
296 #define WX_MSCC_BUSY                 BIT(22)
297 #define WX_MDIO_CLK(v)               FIELD_PREP(GENMASK(21, 19), v)
298 #define WX_MDIO_CLAUSE_SELECT        0x11220
299 #define WX_MMC_CONTROL               0x11800
300 #define WX_MMC_CONTROL_RSTONRD       BIT(2) /* reset on read */
301 
302 /********************************* BAR registers ***************************/
303 /* Interrupt Registers */
304 #define WX_BME_CTL                   0x12020
305 #define WX_PX_MISC_IC                0x100
306 #define WX_PX_MISC_ICS               0x104
307 #define WX_PX_MISC_IEN               0x108
308 #define WX_PX_INTA                   0x110
309 #define WX_PX_GPIE                   0x118
310 #define WX_PX_GPIE_MODEL             BIT(0)
311 #define WX_PX_IC(_i)                 (0x120 + (_i) * 4)
312 #define WX_PX_IMS(_i)                (0x140 + (_i) * 4)
313 #define WX_PX_IMC(_i)                (0x150 + (_i) * 4)
314 #define WX_PX_ISB_ADDR_L             0x160
315 #define WX_PX_ISB_ADDR_H             0x164
316 #define WX_PX_TRANSACTION_PENDING    0x168
317 #define WX_PX_ITRSEL                 0x180
318 #define WX_PX_ITR(_i)                (0x200 + (_i) * 4)
319 #define WX_PX_ITR_CNT_WDIS           BIT(31)
320 #define WX_PX_MISC_IVAR              0x4FC
321 #define WX_PX_IVAR(_i)               (0x500 + (_i) * 4)
322 
323 #define WX_PX_IVAR_ALLOC_VAL         0x80 /* Interrupt Allocation valid */
324 #define WX_7K_ITR                    595
325 #define WX_12K_ITR                   336
326 #define WX_20K_ITR                   200
327 #define WX_SP_MAX_EITR               0x00000FF8U
328 #define WX_EM_MAX_EITR               0x00007FFCU
329 
330 /* transmit DMA Registers */
331 #define WX_PX_TR_BAL(_i)             (0x03000 + ((_i) * 0x40))
332 #define WX_PX_TR_BAH(_i)             (0x03004 + ((_i) * 0x40))
333 #define WX_PX_TR_WP(_i)              (0x03008 + ((_i) * 0x40))
334 #define WX_PX_TR_RP(_i)              (0x0300C + ((_i) * 0x40))
335 #define WX_PX_TR_CFG(_i)             (0x03010 + ((_i) * 0x40))
336 /* Transmit Config masks */
337 #define WX_PX_TR_CFG_ENABLE          BIT(0) /* Ena specific Tx Queue */
338 #define WX_PX_TR_CFG_TR_SIZE_SHIFT   1 /* tx desc number per ring */
339 #define WX_PX_TR_CFG_SWFLSH          BIT(26) /* Tx Desc. wr-bk flushing */
340 #define WX_PX_TR_CFG_WTHRESH_SHIFT   16 /* shift to WTHRESH bits */
341 #define WX_PX_TR_CFG_THRE_SHIFT      8
342 
343 /* Receive DMA Registers */
344 #define WX_PX_RR_BAL(_i)             (0x01000 + ((_i) * 0x40))
345 #define WX_PX_RR_BAH(_i)             (0x01004 + ((_i) * 0x40))
346 #define WX_PX_RR_WP(_i)              (0x01008 + ((_i) * 0x40))
347 #define WX_PX_RR_RP(_i)              (0x0100C + ((_i) * 0x40))
348 #define WX_PX_RR_CFG(_i)             (0x01010 + ((_i) * 0x40))
349 #define WX_PX_MPRC(_i)               (0x01020 + ((_i) * 0x40))
350 /* PX_RR_CFG bit definitions */
351 #define WX_PX_RR_CFG_VLAN            BIT(31)
352 #define WX_PX_RR_CFG_DROP_EN         BIT(30)
353 #define WX_PX_RR_CFG_SPLIT_MODE      BIT(26)
354 #define WX_PX_RR_CFG_RR_THER_SHIFT   16
355 #define WX_PX_RR_CFG_RR_HDR_SZ       GENMASK(15, 12)
356 #define WX_PX_RR_CFG_RR_BUF_SZ       GENMASK(11, 8)
357 #define WX_PX_RR_CFG_BHDRSIZE_SHIFT  6 /* 64byte resolution (>> 6)
358 					* + at bit 8 offset (<< 12)
359 					*  = (<< 6)
360 					*/
361 #define WX_PX_RR_CFG_BSIZEPKT_SHIFT  2 /* so many KBs */
362 #define WX_PX_RR_CFG_RR_SIZE_SHIFT   1
363 #define WX_PX_RR_CFG_RR_EN           BIT(0)
364 
365 /* Number of 80 microseconds we wait for PCI Express master disable */
366 #define WX_PCI_MASTER_DISABLE_TIMEOUT        80000
367 
368 /****************** Manageablility Host Interface defines ********************/
369 #define WX_HI_MAX_BLOCK_BYTE_LENGTH  256 /* Num of bytes in range */
370 #define WX_HI_COMMAND_TIMEOUT        1000 /* Process HI command limit */
371 
372 #define FW_READ_SHADOW_RAM_CMD       0x31
373 #define FW_READ_SHADOW_RAM_LEN       0x6
374 #define FW_DEFAULT_CHECKSUM          0xFF /* checksum always 0xFF */
375 #define FW_NVM_DATA_OFFSET           3
376 #define FW_MAX_READ_BUFFER_SIZE      244
377 #define FW_RESET_CMD                 0xDF
378 #define FW_RESET_LEN                 0x2
379 #define FW_CEM_HDR_LEN               0x4
380 #define FW_CEM_CMD_RESERVED          0X0
381 #define FW_CEM_MAX_RETRIES           3
382 #define FW_CEM_RESP_STATUS_SUCCESS   0x1
383 
384 #define WX_SW_REGION_PTR             0x1C
385 
386 #define WX_MAC_STATE_DEFAULT         0x1
387 #define WX_MAC_STATE_MODIFIED        0x2
388 #define WX_MAC_STATE_IN_USE          0x4
389 
390 /* BitTimes (BT) conversion */
391 #define WX_BT2KB(BT)         (((BT) + (8 * 1024 - 1)) / (8 * 1024))
392 #define WX_B2BT(BT)          ((BT) * 8)
393 
394 /* Calculate Delay to respond to PFC */
395 #define WX_PFC_D     672
396 /* Calculate Cable Delay */
397 #define WX_CABLE_DC  5556 /* Delay Copper */
398 /* Calculate Delay incurred from higher layer */
399 #define WX_HD        6144
400 
401 /* Calculate Interface Delay */
402 #define WX_PHY_D     12800
403 #define WX_MAC_D     4096
404 #define WX_XAUI_D    (2 * 1024)
405 #define WX_ID        (WX_MAC_D + WX_XAUI_D + WX_PHY_D)
406 /* Calculate PCI Bus delay for low thresholds */
407 #define WX_PCI_DELAY 10000
408 
409 /* Calculate delay value in bit times */
410 #define WX_DV(_max_frame_link, _max_frame_tc) \
411 	((36 * (WX_B2BT(_max_frame_link) + WX_PFC_D + \
412 		(2 * WX_CABLE_DC) + (2 * WX_ID) + WX_HD) / 25 + 1) + \
413 	 2 * WX_B2BT(_max_frame_tc))
414 
415 /* Calculate low threshold delay values */
416 #define WX_LOW_DV(_max_frame_tc) \
417 	(2 * (2 * WX_B2BT(_max_frame_tc) + (36 * WX_PCI_DELAY / 25) + 1))
418 
419 /* flow control */
420 #define WX_DEFAULT_FCPAUSE           0xFFFF
421 
422 #define WX_MAX_RXD                   8192
423 #define WX_MAX_TXD                   8192
424 #define WX_MIN_RXD                   128
425 #define WX_MIN_TXD                   128
426 
427 /* Number of Transmit and Receive Descriptors must be a multiple of 8 */
428 #define WX_REQ_RX_DESCRIPTOR_MULTIPLE   8
429 #define WX_REQ_TX_DESCRIPTOR_MULTIPLE   8
430 
431 #define WX_MAX_JUMBO_FRAME_SIZE      9432 /* max payload 9414 */
432 #define VMDQ_P(p)                    p
433 
434 /* Supported Rx Buffer Sizes */
435 #define WX_RXBUFFER_256      256    /* Used for skb receive header */
436 #define WX_RXBUFFER_2K       2048
437 #define WX_MAX_RXBUFFER      16384  /* largest size for single descriptor */
438 
439 #if MAX_SKB_FRAGS < 8
440 #define WX_RX_BUFSZ      ALIGN(WX_MAX_RXBUFFER / MAX_SKB_FRAGS, 1024)
441 #else
442 #define WX_RX_BUFSZ      WX_RXBUFFER_2K
443 #endif
444 
445 #define WX_RX_BUFFER_WRITE   16      /* Must be power of 2 */
446 
447 #define WX_MAX_DATA_PER_TXD  BIT(14)
448 /* Tx Descriptors needed, worst case */
449 #define TXD_USE_COUNT(S)     DIV_ROUND_UP((S), WX_MAX_DATA_PER_TXD)
450 #define DESC_NEEDED          (MAX_SKB_FRAGS + 4)
451 
452 #define WX_CFG_PORT_ST               0x14404
453 
454 /******************* Receive Descriptor bit definitions **********************/
455 #define WX_RXD_STAT_DD               BIT(0) /* Done */
456 #define WX_RXD_STAT_EOP              BIT(1) /* End of Packet */
457 #define WX_RXD_STAT_VP               BIT(5) /* IEEE VLAN Pkt */
458 #define WX_RXD_STAT_L4CS             BIT(7) /* L4 xsum calculated */
459 #define WX_RXD_STAT_IPCS             BIT(8) /* IP xsum calculated */
460 #define WX_RXD_STAT_OUTERIPCS        BIT(10) /* Cloud IP xsum calculated*/
461 
462 #define WX_RXD_ERR_OUTERIPER         BIT(26) /* CRC IP Header error */
463 #define WX_RXD_ERR_RXE               BIT(29) /* Any MAC Error */
464 #define WX_RXD_ERR_TCPE              BIT(30) /* TCP/UDP Checksum Error */
465 #define WX_RXD_ERR_IPE               BIT(31) /* IP Checksum Error */
466 
467 /* RSS Hash results */
468 #define WX_RXD_RSSTYPE_MASK          GENMASK(3, 0)
469 #define WX_RXD_RSSTYPE_IPV4_TCP      0x00000001U
470 #define WX_RXD_RSSTYPE_IPV6_TCP      0x00000003U
471 #define WX_RXD_RSSTYPE_IPV4_SCTP     0x00000004U
472 #define WX_RXD_RSSTYPE_IPV6_SCTP     0x00000006U
473 #define WX_RXD_RSSTYPE_IPV4_UDP      0x00000007U
474 #define WX_RXD_RSSTYPE_IPV6_UDP      0x00000008U
475 
476 #define WX_RSS_L4_TYPES_MASK \
477 	((1ul << WX_RXD_RSSTYPE_IPV4_TCP) | \
478 	 (1ul << WX_RXD_RSSTYPE_IPV4_UDP) | \
479 	 (1ul << WX_RXD_RSSTYPE_IPV4_SCTP) | \
480 	 (1ul << WX_RXD_RSSTYPE_IPV6_TCP) | \
481 	 (1ul << WX_RXD_RSSTYPE_IPV6_UDP) | \
482 	 (1ul << WX_RXD_RSSTYPE_IPV6_SCTP))
483 /* TUN */
484 #define WX_PTYPE_TUN_IPV4            0x80
485 #define WX_PTYPE_TUN_IPV6            0xC0
486 
487 /* PKT for TUN */
488 #define WX_PTYPE_PKT_IPIP            0x00 /* IP+IP */
489 #define WX_PTYPE_PKT_IG              0x10 /* IP+GRE */
490 #define WX_PTYPE_PKT_IGM             0x20 /* IP+GRE+MAC */
491 #define WX_PTYPE_PKT_IGMV            0x30 /* IP+GRE+MAC+VLAN */
492 /* PKT for !TUN */
493 #define WX_PTYPE_PKT_MAC             0x10
494 #define WX_PTYPE_PKT_IP              0x20
495 
496 /* TYP for PKT=mac */
497 #define WX_PTYPE_TYP_MAC             0x01
498 /* TYP for PKT=ip */
499 #define WX_PTYPE_PKT_IPV6            0x08
500 #define WX_PTYPE_TYP_IPFRAG          0x01
501 #define WX_PTYPE_TYP_IP              0x02
502 #define WX_PTYPE_TYP_UDP             0x03
503 #define WX_PTYPE_TYP_TCP             0x04
504 #define WX_PTYPE_TYP_SCTP            0x05
505 
506 #define WX_RXD_PKTTYPE(_rxd) \
507 	((le32_to_cpu((_rxd)->wb.lower.lo_dword.data) >> 9) & 0xFF)
508 #define WX_RXD_IPV6EX(_rxd) \
509 	((le32_to_cpu((_rxd)->wb.lower.lo_dword.data) >> 6) & 0x1)
510 /*********************** Transmit Descriptor Config Masks ****************/
511 #define WX_TXD_STAT_DD               BIT(0)  /* Descriptor Done */
512 #define WX_TXD_DTYP_DATA             0       /* Adv Data Descriptor */
513 #define WX_TXD_PAYLEN_SHIFT          13      /* Desc PAYLEN shift */
514 #define WX_TXD_EOP                   BIT(24) /* End of Packet */
515 #define WX_TXD_IFCS                  BIT(25) /* Insert FCS */
516 #define WX_TXD_RS                    BIT(27) /* Report Status */
517 
518 /*********************** Adv Transmit Descriptor Config Masks ****************/
519 #define WX_TXD_MAC_TSTAMP            BIT(19) /* IEEE1588 time stamp */
520 #define WX_TXD_DTYP_CTXT             BIT(20) /* Adv Context Desc */
521 #define WX_TXD_LINKSEC               BIT(26) /* enable linksec */
522 #define WX_TXD_VLE                   BIT(30) /* VLAN pkt enable */
523 #define WX_TXD_TSE                   BIT(31) /* TCP Seg enable */
524 #define WX_TXD_CC                    BIT(7) /* Check Context */
525 #define WX_TXD_IPSEC                 BIT(8) /* enable ipsec esp */
526 #define WX_TXD_L4CS                  BIT(9)
527 #define WX_TXD_IIPCS                 BIT(10)
528 #define WX_TXD_EIPCS                 BIT(11)
529 #define WX_TXD_PAYLEN_SHIFT          13 /* Adv desc PAYLEN shift */
530 #define WX_TXD_MACLEN_SHIFT          9  /* Adv ctxt desc mac len shift */
531 #define WX_TXD_TAG_TPID_SEL_SHIFT    11
532 
533 #define WX_TXD_L4LEN_SHIFT           8  /* Adv ctxt L4LEN shift */
534 #define WX_TXD_MSS_SHIFT             16  /* Adv ctxt MSS shift */
535 
536 #define WX_TXD_OUTER_IPLEN_SHIFT     12 /* Adv ctxt OUTERIPLEN shift */
537 #define WX_TXD_TUNNEL_LEN_SHIFT      21 /* Adv ctxt TUNNELLEN shift */
538 #define WX_TXD_TUNNEL_TYPE_SHIFT     11 /* Adv Tx Desc Tunnel Type shift */
539 #define WX_TXD_TUNNEL_UDP            FIELD_PREP(BIT(WX_TXD_TUNNEL_TYPE_SHIFT), 0)
540 #define WX_TXD_TUNNEL_GRE            FIELD_PREP(BIT(WX_TXD_TUNNEL_TYPE_SHIFT), 1)
541 
542 enum wx_tx_flags {
543 	/* cmd_type flags */
544 	WX_TX_FLAGS_HW_VLAN	= 0x01,
545 	WX_TX_FLAGS_TSO		= 0x02,
546 	WX_TX_FLAGS_TSTAMP	= 0x04,
547 
548 	/* olinfo flags */
549 	WX_TX_FLAGS_CC		= 0x08,
550 	WX_TX_FLAGS_IPV4	= 0x10,
551 	WX_TX_FLAGS_CSUM	= 0x20,
552 	WX_TX_FLAGS_OUTER_IPV4	= 0x100,
553 	WX_TX_FLAGS_LINKSEC	= 0x200,
554 	WX_TX_FLAGS_IPSEC	= 0x400,
555 };
556 
557 /* VLAN info */
558 #define WX_TX_FLAGS_VLAN_MASK			GENMASK(31, 16)
559 #define WX_TX_FLAGS_VLAN_SHIFT			16
560 
561 /* wx_dec_ptype.mac: outer mac */
562 enum wx_dec_ptype_mac {
563 	WX_DEC_PTYPE_MAC_IP	= 0,
564 	WX_DEC_PTYPE_MAC_L2	= 2,
565 	WX_DEC_PTYPE_MAC_FCOE	= 3,
566 };
567 
568 /* wx_dec_ptype.[e]ip: outer&encaped ip */
569 #define WX_DEC_PTYPE_IP_FRAG	0x4
570 enum wx_dec_ptype_ip {
571 	WX_DEC_PTYPE_IP_NONE = 0,
572 	WX_DEC_PTYPE_IP_IPV4 = 1,
573 	WX_DEC_PTYPE_IP_IPV6 = 2,
574 	WX_DEC_PTYPE_IP_FGV4 = WX_DEC_PTYPE_IP_FRAG | WX_DEC_PTYPE_IP_IPV4,
575 	WX_DEC_PTYPE_IP_FGV6 = WX_DEC_PTYPE_IP_FRAG | WX_DEC_PTYPE_IP_IPV6,
576 };
577 
578 /* wx_dec_ptype.etype: encaped type */
579 enum wx_dec_ptype_etype {
580 	WX_DEC_PTYPE_ETYPE_NONE	= 0,
581 	WX_DEC_PTYPE_ETYPE_IPIP	= 1,	/* IP+IP */
582 	WX_DEC_PTYPE_ETYPE_IG	= 2,	/* IP+GRE */
583 	WX_DEC_PTYPE_ETYPE_IGM	= 3,	/* IP+GRE+MAC */
584 	WX_DEC_PTYPE_ETYPE_IGMV	= 4,	/* IP+GRE+MAC+VLAN */
585 };
586 
587 /* wx_dec_ptype.proto: payload proto */
588 enum wx_dec_ptype_prot {
589 	WX_DEC_PTYPE_PROT_NONE	= 0,
590 	WX_DEC_PTYPE_PROT_UDP	= 1,
591 	WX_DEC_PTYPE_PROT_TCP	= 2,
592 	WX_DEC_PTYPE_PROT_SCTP	= 3,
593 	WX_DEC_PTYPE_PROT_ICMP	= 4,
594 	WX_DEC_PTYPE_PROT_TS	= 5,	/* time sync */
595 };
596 
597 /* wx_dec_ptype.layer: payload layer */
598 enum wx_dec_ptype_layer {
599 	WX_DEC_PTYPE_LAYER_NONE = 0,
600 	WX_DEC_PTYPE_LAYER_PAY2 = 1,
601 	WX_DEC_PTYPE_LAYER_PAY3 = 2,
602 	WX_DEC_PTYPE_LAYER_PAY4 = 3,
603 };
604 
605 struct wx_dec_ptype {
606 	u32 known:1;
607 	u32 mac:2;	/* outer mac */
608 	u32 ip:3;	/* outer ip*/
609 	u32 etype:3;	/* encaped type */
610 	u32 eip:3;	/* encaped ip */
611 	u32 prot:4;	/* payload proto */
612 	u32 layer:3;	/* payload layer */
613 };
614 
615 /* macro to make the table lines short */
616 #define WX_PTT(mac, ip, etype, eip, proto, layer)\
617 	      {1, \
618 	       WX_DEC_PTYPE_MAC_##mac,		/* mac */\
619 	       WX_DEC_PTYPE_IP_##ip,		/* ip */ \
620 	       WX_DEC_PTYPE_ETYPE_##etype,	/* etype */\
621 	       WX_DEC_PTYPE_IP_##eip,		/* eip */\
622 	       WX_DEC_PTYPE_PROT_##proto,	/* proto */\
623 	       WX_DEC_PTYPE_LAYER_##layer	/* layer */}
624 
625 /* Host Interface Command Structures */
626 struct wx_hic_hdr {
627 	u8 cmd;
628 	u8 buf_len;
629 	union {
630 		u8 cmd_resv;
631 		u8 ret_status;
632 	} cmd_or_resp;
633 	u8 checksum;
634 };
635 
636 struct wx_hic_hdr2_req {
637 	u8 cmd;
638 	u8 buf_lenh;
639 	u8 buf_lenl;
640 	u8 checksum;
641 };
642 
643 struct wx_hic_hdr2_rsp {
644 	u8 cmd;
645 	u8 buf_lenl;
646 	u8 buf_lenh_status;     /* 7-5: high bits of buf_len, 4-0: status */
647 	u8 checksum;
648 };
649 
650 union wx_hic_hdr2 {
651 	struct wx_hic_hdr2_req req;
652 	struct wx_hic_hdr2_rsp rsp;
653 };
654 
655 /* These need to be dword aligned */
656 struct wx_hic_read_shadow_ram {
657 	union wx_hic_hdr2 hdr;
658 	u32 address;
659 	u16 length;
660 	u16 pad2;
661 	u16 data;
662 	u16 pad3;
663 };
664 
665 struct wx_hic_reset {
666 	struct wx_hic_hdr hdr;
667 	u16 lan_id;
668 	u16 reset_type;
669 };
670 
671 /* Bus parameters */
672 struct wx_bus_info {
673 	u8 func;
674 	u16 device;
675 };
676 
677 struct wx_thermal_sensor_data {
678 	s16 temp;
679 	s16 alarm_thresh;
680 	s16 dalarm_thresh;
681 };
682 
683 enum wx_mac_type {
684 	wx_mac_unknown = 0,
685 	wx_mac_sp,
686 	wx_mac_em
687 };
688 
689 enum sp_media_type {
690 	sp_media_unknown = 0,
691 	sp_media_fiber,
692 	sp_media_copper,
693 	sp_media_backplane
694 };
695 
696 enum em_mac_type {
697 	em_mac_type_unknown = 0,
698 	em_mac_type_mdi,
699 	em_mac_type_rgmii
700 };
701 
702 struct wx_mac_info {
703 	enum wx_mac_type type;
704 	bool set_lben;
705 	u8 addr[ETH_ALEN];
706 	u8 perm_addr[ETH_ALEN];
707 	u32 mta_shadow[128];
708 	s32 mc_filter_type;
709 	u32 mcft_size;
710 	u32 vft_shadow[128];
711 	u32 vft_size;
712 	u32 num_rar_entries;
713 	u32 rx_pb_size;
714 	u32 tx_pb_size;
715 	u32 max_tx_queues;
716 	u32 max_rx_queues;
717 
718 	u16 max_msix_vectors;
719 	struct wx_thermal_sensor_data sensor;
720 };
721 
722 enum wx_eeprom_type {
723 	wx_eeprom_uninitialized = 0,
724 	wx_eeprom_spi,
725 	wx_flash,
726 	wx_eeprom_none /* No NVM support */
727 };
728 
729 struct wx_eeprom_info {
730 	enum wx_eeprom_type type;
731 	u32 semaphore_delay;
732 	u16 word_size;
733 	u16 sw_region_offset;
734 };
735 
736 struct wx_addr_filter_info {
737 	u32 num_mc_addrs;
738 	u32 mta_in_use;
739 	bool user_set_promisc;
740 };
741 
742 struct wx_mac_addr {
743 	u8 addr[ETH_ALEN];
744 	u16 state; /* bitmask */
745 	u64 pools;
746 };
747 
748 enum wx_reset_type {
749 	WX_LAN_RESET = 0,
750 	WX_SW_RESET,
751 	WX_GLOBAL_RESET
752 };
753 
754 struct wx_cb {
755 	dma_addr_t dma;
756 	u16     append_cnt;      /* number of skb's appended */
757 	bool    page_released;
758 	bool    dma_released;
759 };
760 
761 #define WX_CB(skb) ((struct wx_cb *)(skb)->cb)
762 
763 /* Transmit Descriptor */
764 union wx_tx_desc {
765 	struct {
766 		__le64 buffer_addr; /* Address of descriptor's data buf */
767 		__le32 cmd_type_len;
768 		__le32 olinfo_status;
769 	} read;
770 	struct {
771 		__le64 rsvd; /* Reserved */
772 		__le32 nxtseq_seed;
773 		__le32 status;
774 	} wb;
775 };
776 
777 /* Receive Descriptor */
778 union wx_rx_desc {
779 	struct {
780 		__le64 pkt_addr; /* Packet buffer address */
781 		__le64 hdr_addr; /* Header buffer address */
782 	} read;
783 	struct {
784 		struct {
785 			union {
786 				__le32 data;
787 				struct {
788 					__le16 pkt_info; /* RSS, Pkt type */
789 					__le16 hdr_info; /* Splithdr, hdrlen */
790 				} hs_rss;
791 			} lo_dword;
792 			union {
793 				__le32 rss; /* RSS Hash */
794 				struct {
795 					__le16 ip_id; /* IP id */
796 					__le16 csum; /* Packet Checksum */
797 				} csum_ip;
798 			} hi_dword;
799 		} lower;
800 		struct {
801 			__le32 status_error; /* ext status/error */
802 			__le16 length; /* Packet length */
803 			__le16 vlan; /* VLAN tag */
804 		} upper;
805 	} wb;  /* writeback */
806 };
807 
808 struct wx_tx_context_desc {
809 	__le32 vlan_macip_lens;
810 	__le32 seqnum_seed;
811 	__le32 type_tucmd_mlhl;
812 	__le32 mss_l4len_idx;
813 };
814 
815 /* if _flag is in _input, return _result */
816 #define WX_SET_FLAG(_input, _flag, _result) \
817 	(((_flag) <= (_result)) ? \
818 	 ((u32)((_input) & (_flag)) * ((_result) / (_flag))) : \
819 	 ((u32)((_input) & (_flag)) / ((_flag) / (_result))))
820 
821 #define WX_RX_DESC(R, i)     \
822 	(&(((union wx_rx_desc *)((R)->desc))[i]))
823 #define WX_TX_DESC(R, i)     \
824 	(&(((union wx_tx_desc *)((R)->desc))[i]))
825 #define WX_TX_CTXTDESC(R, i) \
826 	(&(((struct wx_tx_context_desc *)((R)->desc))[i]))
827 
828 /* wrapper around a pointer to a socket buffer,
829  * so a DMA handle can be stored along with the buffer
830  */
831 struct wx_tx_buffer {
832 	union wx_tx_desc *next_to_watch;
833 	struct sk_buff *skb;
834 	unsigned int bytecount;
835 	unsigned short gso_segs;
836 	DEFINE_DMA_UNMAP_ADDR(dma);
837 	DEFINE_DMA_UNMAP_LEN(len);
838 	__be16 protocol;
839 	u32 tx_flags;
840 };
841 
842 struct wx_rx_buffer {
843 	struct sk_buff *skb;
844 	dma_addr_t dma;
845 	dma_addr_t page_dma;
846 	struct page *page;
847 	unsigned int page_offset;
848 };
849 
850 struct wx_queue_stats {
851 	u64 packets;
852 	u64 bytes;
853 };
854 
855 struct wx_tx_queue_stats {
856 	u64 restart_queue;
857 	u64 tx_busy;
858 };
859 
860 struct wx_rx_queue_stats {
861 	u64 non_eop_descs;
862 	u64 csum_good_cnt;
863 	u64 csum_err;
864 	u64 alloc_rx_buff_failed;
865 };
866 
867 /* iterator for handling rings in ring container */
868 #define wx_for_each_ring(posm, headm) \
869 	for (posm = (headm).ring; posm; posm = posm->next)
870 
871 struct wx_ring_container {
872 	struct wx_ring *ring;           /* pointer to linked list of rings */
873 	unsigned int total_bytes;       /* total bytes processed this int */
874 	unsigned int total_packets;     /* total packets processed this int */
875 	u8 count;                       /* total number of rings in vector */
876 	u8 itr;                         /* current ITR setting for ring */
877 };
878 struct wx_ring {
879 	struct wx_ring *next;           /* pointer to next ring in q_vector */
880 	struct wx_q_vector *q_vector;   /* backpointer to host q_vector */
881 	struct net_device *netdev;      /* netdev ring belongs to */
882 	struct device *dev;             /* device for DMA mapping */
883 	struct page_pool *page_pool;
884 	void *desc;                     /* descriptor ring memory */
885 	union {
886 		struct wx_tx_buffer *tx_buffer_info;
887 		struct wx_rx_buffer *rx_buffer_info;
888 	};
889 	u8 __iomem *tail;
890 	dma_addr_t dma;                 /* phys. address of descriptor ring */
891 	unsigned int size;              /* length in bytes */
892 
893 	u16 count;                      /* amount of descriptors */
894 
895 	u8 queue_index; /* needed for multiqueue queue management */
896 	u8 reg_idx;                     /* holds the special value that gets
897 					 * the hardware register offset
898 					 * associated with this ring, which is
899 					 * different for DCB and RSS modes
900 					 */
901 	u16 next_to_use;
902 	u16 next_to_clean;
903 	u16 next_to_alloc;
904 
905 	struct wx_queue_stats stats;
906 	struct u64_stats_sync syncp;
907 	union {
908 		struct wx_tx_queue_stats tx_stats;
909 		struct wx_rx_queue_stats rx_stats;
910 	};
911 } ____cacheline_internodealigned_in_smp;
912 
913 struct wx_q_vector {
914 	struct wx *wx;
915 	int cpu;        /* CPU for DCA */
916 	int numa_node;
917 	u16 v_idx;      /* index of q_vector within array, also used for
918 			 * finding the bit in EICR and friends that
919 			 * represents the vector for this ring
920 			 */
921 	u16 itr;        /* Interrupt throttle rate written to EITR */
922 	struct wx_ring_container rx, tx;
923 	struct napi_struct napi;
924 	struct rcu_head rcu;    /* to avoid race with update stats on free */
925 
926 	char name[IFNAMSIZ + 17];
927 
928 	/* for dynamic allocation of rings associated with this q_vector */
929 	struct wx_ring ring[] ____cacheline_internodealigned_in_smp;
930 };
931 
932 struct wx_ring_feature {
933 	u16 limit;      /* upper limit on feature indices */
934 	u16 indices;    /* current value of indices */
935 	u16 mask;       /* Mask used for feature to ring mapping */
936 	u16 offset;     /* offset to start of feature */
937 };
938 
939 enum wx_ring_f_enum {
940 	RING_F_NONE = 0,
941 	RING_F_RSS,
942 	RING_F_ARRAY_SIZE  /* must be last in enum set */
943 };
944 
945 enum wx_isb_idx {
946 	WX_ISB_HEADER,
947 	WX_ISB_MISC,
948 	WX_ISB_VEC0,
949 	WX_ISB_VEC1,
950 	WX_ISB_MAX
951 };
952 
953 struct wx_fc_info {
954 	u32 high_water; /* Flow Ctrl High-water */
955 	u32 low_water; /* Flow Ctrl Low-water */
956 };
957 
958 /* Statistics counters collected by the MAC */
959 struct wx_hw_stats {
960 	u64 gprc;
961 	u64 gptc;
962 	u64 gorc;
963 	u64 gotc;
964 	u64 tpr;
965 	u64 tpt;
966 	u64 bprc;
967 	u64 bptc;
968 	u64 mprc;
969 	u64 mptc;
970 	u64 roc;
971 	u64 ruc;
972 	u64 lxonoffrxc;
973 	u64 lxontxc;
974 	u64 lxofftxc;
975 	u64 o2bgptc;
976 	u64 b2ospc;
977 	u64 o2bspc;
978 	u64 b2ogprc;
979 	u64 rdmdrop;
980 	u64 crcerrs;
981 	u64 rlec;
982 	u64 qmprc;
983 };
984 
985 struct wx {
986 	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
987 
988 	void *priv;
989 	u8 __iomem *hw_addr;
990 	struct pci_dev *pdev;
991 	struct net_device *netdev;
992 	struct wx_bus_info bus;
993 	struct wx_mac_info mac;
994 	enum em_mac_type mac_type;
995 	enum sp_media_type media_type;
996 	struct wx_eeprom_info eeprom;
997 	struct wx_addr_filter_info addr_ctrl;
998 	struct wx_fc_info fc;
999 	struct wx_mac_addr *mac_table;
1000 	u16 device_id;
1001 	u16 vendor_id;
1002 	u16 subsystem_device_id;
1003 	u16 subsystem_vendor_id;
1004 	u8 revision_id;
1005 	u16 oem_ssid;
1006 	u16 oem_svid;
1007 	u16 msg_enable;
1008 	bool adapter_stopped;
1009 	u16 tpid[8];
1010 	char eeprom_id[32];
1011 	char *driver_name;
1012 	enum wx_reset_type reset_type;
1013 
1014 	/* PHY stuff */
1015 	unsigned int link;
1016 	int speed;
1017 	int duplex;
1018 	struct phy_device *phydev;
1019 	struct phylink *phylink;
1020 	struct phylink_config phylink_config;
1021 
1022 	bool wol_hw_supported;
1023 	bool ncsi_enabled;
1024 	bool gpio_ctrl;
1025 	raw_spinlock_t gpio_lock;
1026 
1027 	/* Tx fast path data */
1028 	int num_tx_queues;
1029 	u16 tx_itr_setting;
1030 	u16 tx_work_limit;
1031 
1032 	/* Rx fast path data */
1033 	int num_rx_queues;
1034 	u16 rx_itr_setting;
1035 	u16 rx_work_limit;
1036 
1037 	int num_q_vectors;      /* current number of q_vectors for device */
1038 	int max_q_vectors;      /* upper limit of q_vectors for device */
1039 
1040 	u32 tx_ring_count;
1041 	u32 rx_ring_count;
1042 
1043 	struct wx_ring *tx_ring[64] ____cacheline_aligned_in_smp;
1044 	struct wx_ring *rx_ring[64];
1045 	struct wx_q_vector *q_vector[64];
1046 
1047 	unsigned int queues_per_pool;
1048 	struct msix_entry *msix_q_entries;
1049 	struct msix_entry *msix_entry;
1050 	struct wx_ring_feature ring_feature[RING_F_ARRAY_SIZE];
1051 
1052 	/* misc interrupt status block */
1053 	dma_addr_t isb_dma;
1054 	u32 *isb_mem;
1055 	u32 isb_tag[WX_ISB_MAX];
1056 
1057 #define WX_MAX_RETA_ENTRIES 128
1058 #define WX_RSS_INDIR_TBL_MAX 64
1059 	u8 rss_indir_tbl[WX_MAX_RETA_ENTRIES];
1060 	bool rss_enabled;
1061 #define WX_RSS_KEY_SIZE     40  /* size of RSS Hash Key in bytes */
1062 	u32 *rss_key;
1063 	u32 wol;
1064 
1065 	u16 bd_number;
1066 
1067 	struct wx_hw_stats stats;
1068 	u64 tx_busy;
1069 	u64 non_eop_descs;
1070 	u64 restart_queue;
1071 	u64 hw_csum_rx_good;
1072 	u64 hw_csum_rx_error;
1073 	u64 alloc_rx_buff_failed;
1074 };
1075 
1076 #define WX_INTR_ALL (~0ULL)
1077 #define WX_INTR_Q(i) BIT((i) + 1)
1078 
1079 /* register operations */
1080 #define wr32(a, reg, value)	writel((value), ((a)->hw_addr + (reg)))
1081 #define rd32(a, reg)		readl((a)->hw_addr + (reg))
1082 #define rd32a(a, reg, offset) ( \
1083 	rd32((a), (reg) + ((offset) << 2)))
1084 #define wr32a(a, reg, off, val) \
1085 	wr32((a), (reg) + ((off) << 2), (val))
1086 
1087 static inline u32
1088 rd32m(struct wx *wx, u32 reg, u32 mask)
1089 {
1090 	u32 val;
1091 
1092 	val = rd32(wx, reg);
1093 	return val & mask;
1094 }
1095 
1096 static inline void
1097 wr32m(struct wx *wx, u32 reg, u32 mask, u32 field)
1098 {
1099 	u32 val;
1100 
1101 	val = rd32(wx, reg);
1102 	val = ((val & ~mask) | (field & mask));
1103 
1104 	wr32(wx, reg, val);
1105 }
1106 
1107 static inline u64
1108 rd64(struct wx *wx, u32 reg)
1109 {
1110 	u64 lsb, msb;
1111 
1112 	lsb = rd32(wx, reg);
1113 	msb = rd32(wx, reg + 4);
1114 
1115 	return (lsb | msb << 32);
1116 }
1117 
1118 /* On some domestic CPU platforms, sometimes IO is not synchronized with
1119  * flushing memory, here use readl() to flush PCI read and write.
1120  */
1121 #define WX_WRITE_FLUSH(H) rd32(H, WX_MIS_PWR)
1122 
1123 #define wx_err(wx, fmt, arg...) \
1124 	dev_err(&(wx)->pdev->dev, fmt, ##arg)
1125 
1126 #define wx_dbg(wx, fmt, arg...) \
1127 	dev_dbg(&(wx)->pdev->dev, fmt, ##arg)
1128 
1129 static inline struct wx *phylink_to_wx(struct phylink_config *config)
1130 {
1131 	return container_of(config, struct wx, phylink_config);
1132 }
1133 
1134 #endif /* _WX_TYPE_H_ */
1135