1 /* SPDX-License-Identifier: GPL-2.0 */
2
3 #ifndef _SLIC_H
4 #define _SLIC_H
5
6 #include <linux/types.h>
7 #include <linux/netdevice.h>
8 #include <linux/spinlock_types.h>
9 #include <linux/dma-mapping.h>
10 #include <linux/pci.h>
11 #include <linux/list.h>
12 #include <linux/u64_stats_sync.h>
13
14 #define SLIC_VGBSTAT_XPERR 0x40000000
15 #define SLIC_VGBSTAT_XERRSHFT 25
16 #define SLIC_VGBSTAT_XCSERR 0x23
17 #define SLIC_VGBSTAT_XUFLOW 0x22
18 #define SLIC_VGBSTAT_XHLEN 0x20
19 #define SLIC_VGBSTAT_NETERR 0x01000000
20 #define SLIC_VGBSTAT_NERRSHFT 16
21 #define SLIC_VGBSTAT_NERRMSK 0x1ff
22 #define SLIC_VGBSTAT_NCSERR 0x103
23 #define SLIC_VGBSTAT_NUFLOW 0x102
24 #define SLIC_VGBSTAT_NHLEN 0x100
25 #define SLIC_VGBSTAT_LNKERR 0x00000080
26 #define SLIC_VGBSTAT_LERRMSK 0xff
27 #define SLIC_VGBSTAT_LDEARLY 0x86
28 #define SLIC_VGBSTAT_LBOFLO 0x85
29 #define SLIC_VGBSTAT_LCODERR 0x84
30 #define SLIC_VGBSTAT_LDBLNBL 0x83
31 #define SLIC_VGBSTAT_LCRCERR 0x82
32 #define SLIC_VGBSTAT_LOFLO 0x81
33 #define SLIC_VGBSTAT_LUFLO 0x80
34
35 #define SLIC_IRHDDR_FLEN_MSK 0x0000ffff
36 #define SLIC_IRHDDR_SVALID 0x80000000
37 #define SLIC_IRHDDR_ERR 0x10000000
38
39 #define SLIC_VRHSTAT_802OE 0x80000000
40 #define SLIC_VRHSTAT_TPOFLO 0x10000000
41 #define SLIC_VRHSTATB_802UE 0x80000000
42 #define SLIC_VRHSTATB_RCVE 0x40000000
43 #define SLIC_VRHSTATB_BUFF 0x20000000
44 #define SLIC_VRHSTATB_CARRE 0x08000000
45 #define SLIC_VRHSTATB_LONGE 0x02000000
46 #define SLIC_VRHSTATB_PREA 0x01000000
47 #define SLIC_VRHSTATB_CRC 0x00800000
48 #define SLIC_VRHSTATB_DRBL 0x00400000
49 #define SLIC_VRHSTATB_CODE 0x00200000
50 #define SLIC_VRHSTATB_TPCSUM 0x00100000
51 #define SLIC_VRHSTATB_TPHLEN 0x00080000
52 #define SLIC_VRHSTATB_IPCSUM 0x00040000
53 #define SLIC_VRHSTATB_IPLERR 0x00020000
54 #define SLIC_VRHSTATB_IPHERR 0x00010000
55
56 #define SLIC_CMD_XMT_REQ 0x01
57 #define SLIC_CMD_TYPE_DUMB 3
58
59 #define SLIC_RESET_MAGIC 0xDEAD
60 #define SLIC_ICR_INT_OFF 0
61 #define SLIC_ICR_INT_ON 1
62 #define SLIC_ICR_INT_MASK 2
63
64 #define SLIC_ISR_ERR 0x80000000
65 #define SLIC_ISR_RCV 0x40000000
66 #define SLIC_ISR_CMD 0x20000000
67 #define SLIC_ISR_IO 0x60000000
68 #define SLIC_ISR_UPC 0x10000000
69 #define SLIC_ISR_LEVENT 0x08000000
70 #define SLIC_ISR_RMISS 0x02000000
71 #define SLIC_ISR_UPCERR 0x01000000
72 #define SLIC_ISR_XDROP 0x00800000
73 #define SLIC_ISR_UPCBSY 0x00020000
74
75 #define SLIC_ISR_PING_MASK 0x00700000
76 #define SLIC_ISR_UPCERR_MASK (SLIC_ISR_UPCERR | SLIC_ISR_UPCBSY)
77 #define SLIC_ISR_UPC_MASK (SLIC_ISR_UPC | SLIC_ISR_UPCERR_MASK)
78 #define SLIC_WCS_START 0x80000000
79 #define SLIC_WCS_COMPARE 0x40000000
80 #define SLIC_RCVWCS_BEGIN 0x40000000
81 #define SLIC_RCVWCS_FINISH 0x80000000
82
83 #define SLIC_MIICR_REG_16 0x00100000
84 #define SLIC_MRV_REG16_XOVERON 0x0068
85
86 #define SLIC_GIG_LINKUP 0x0001
87 #define SLIC_GIG_FULLDUPLEX 0x0002
88 #define SLIC_GIG_SPEED_MASK 0x000C
89 #define SLIC_GIG_SPEED_1000 0x0008
90 #define SLIC_GIG_SPEED_100 0x0004
91 #define SLIC_GIG_SPEED_10 0x0000
92
93 #define SLIC_GMCR_RESET 0x80000000
94 #define SLIC_GMCR_GBIT 0x20000000
95 #define SLIC_GMCR_FULLD 0x10000000
96 #define SLIC_GMCR_GAPBB_SHIFT 14
97 #define SLIC_GMCR_GAPR1_SHIFT 7
98 #define SLIC_GMCR_GAPR2_SHIFT 0
99 #define SLIC_GMCR_GAPBB_1000 0x60
100 #define SLIC_GMCR_GAPR1_1000 0x2C
101 #define SLIC_GMCR_GAPR2_1000 0x40
102 #define SLIC_GMCR_GAPBB_100 0x70
103 #define SLIC_GMCR_GAPR1_100 0x2C
104 #define SLIC_GMCR_GAPR2_100 0x40
105
106 #define SLIC_XCR_RESET 0x80000000
107 #define SLIC_XCR_XMTEN 0x40000000
108 #define SLIC_XCR_PAUSEEN 0x20000000
109 #define SLIC_XCR_LOADRNG 0x10000000
110
111 #define SLIC_GXCR_RESET 0x80000000
112 #define SLIC_GXCR_XMTEN 0x40000000
113 #define SLIC_GXCR_PAUSEEN 0x20000000
114
115 #define SLIC_GRCR_RESET 0x80000000
116 #define SLIC_GRCR_RCVEN 0x40000000
117 #define SLIC_GRCR_RCVALL 0x20000000
118 #define SLIC_GRCR_RCVBAD 0x10000000
119 #define SLIC_GRCR_CTLEN 0x08000000
120 #define SLIC_GRCR_ADDRAEN 0x02000000
121 #define SLIC_GRCR_HASHSIZE_SHIFT 17
122 #define SLIC_GRCR_HASHSIZE 14
123
124 /* Reset Register */
125 #define SLIC_REG_RESET 0x0000
126 /* Interrupt Control Register */
127 #define SLIC_REG_ICR 0x0008
128 /* Interrupt status pointer */
129 #define SLIC_REG_ISP 0x0010
130 /* Interrupt status */
131 #define SLIC_REG_ISR 0x0018
132 /* Header buffer address reg
133 * 31-8 - phy addr of set of contiguous hdr buffers
134 * 7-0 - number of buffers passed
135 * Buffers are 256 bytes long on 256-byte boundaries.
136 */
137 #define SLIC_REG_HBAR 0x0020
138 /* Data buffer handle & address reg
139 * 4 sets of registers; Buffers are 2K bytes long 2 per 4K page.
140 */
141 #define SLIC_REG_DBAR 0x0028
142 /* Xmt Cmd buf addr regs.
143 * 1 per XMT interface
144 * 31-5 - phy addr of host command buffer
145 * 4-0 - length of cmd in multiples of 32 bytes
146 * Buffers are 32 bytes up to 512 bytes long
147 */
148 #define SLIC_REG_CBAR 0x0030
149 /* Write control store */
150 #define SLIC_REG_WCS 0x0034
151 /*Response buffer address reg.
152 * 31-8 - phy addr of set of contiguous response buffers
153 * 7-0 - number of buffers passed
154 * Buffers are 32 bytes long on 32-byte boundaries.
155 */
156 #define SLIC_REG_RBAR 0x0038
157 /* Read statistics (UPR) */
158 #define SLIC_REG_RSTAT 0x0040
159 /* Read link status */
160 #define SLIC_REG_LSTAT 0x0048
161 /* Write Mac Config */
162 #define SLIC_REG_WMCFG 0x0050
163 /* Write phy register */
164 #define SLIC_REG_WPHY 0x0058
165 /* Rcv Cmd buf addr reg */
166 #define SLIC_REG_RCBAR 0x0060
167 /* Read SLIC Config*/
168 #define SLIC_REG_RCONFIG 0x0068
169 /* Interrupt aggregation time */
170 #define SLIC_REG_INTAGG 0x0070
171 /* Write XMIT config reg */
172 #define SLIC_REG_WXCFG 0x0078
173 /* Write RCV config reg */
174 #define SLIC_REG_WRCFG 0x0080
175 /* Write rcv addr a low */
176 #define SLIC_REG_WRADDRAL 0x0088
177 /* Write rcv addr a high */
178 #define SLIC_REG_WRADDRAH 0x0090
179 /* Write rcv addr b low */
180 #define SLIC_REG_WRADDRBL 0x0098
181 /* Write rcv addr b high */
182 #define SLIC_REG_WRADDRBH 0x00a0
183 /* Low bits of mcast mask */
184 #define SLIC_REG_MCASTLOW 0x00a8
185 /* High bits of mcast mask */
186 #define SLIC_REG_MCASTHIGH 0x00b0
187 /* Ping the card */
188 #define SLIC_REG_PING 0x00b8
189 /* Dump command */
190 #define SLIC_REG_DUMP_CMD 0x00c0
191 /* Dump data pointer */
192 #define SLIC_REG_DUMP_DATA 0x00c8
193 /* Read card's pci_status register */
194 #define SLIC_REG_PCISTATUS 0x00d0
195 /* Write hostid field */
196 #define SLIC_REG_WRHOSTID 0x00d8
197 /* Put card in a low power state */
198 #define SLIC_REG_LOW_POWER 0x00e0
199 /* Force slic into quiescent state before soft reset */
200 #define SLIC_REG_QUIESCE 0x00e8
201 /* Reset interface queues */
202 #define SLIC_REG_RESET_IFACE 0x00f0
203 /* Register is only written when it has changed.
204 * Bits 63-32 for host i/f addrs.
205 */
206 #define SLIC_REG_ADDR_UPPER 0x00f8
207 /* 64 bit Header buffer address reg */
208 #define SLIC_REG_HBAR64 0x0100
209 /* 64 bit Data buffer handle & address reg */
210 #define SLIC_REG_DBAR64 0x0108
211 /* 64 bit Xmt Cmd buf addr regs. */
212 #define SLIC_REG_CBAR64 0x0110
213 /* 64 bit Response buffer address reg.*/
214 #define SLIC_REG_RBAR64 0x0118
215 /* 64 bit Rcv Cmd buf addr reg*/
216 #define SLIC_REG_RCBAR64 0x0120
217 /* Read statistics (64 bit UPR) */
218 #define SLIC_REG_RSTAT64 0x0128
219 /* Download Gigabit RCV sequencer ucode */
220 #define SLIC_REG_RCV_WCS 0x0130
221 /* Write VlanId field */
222 #define SLIC_REG_WRVLANID 0x0138
223 /* Read Transformer info */
224 #define SLIC_REG_READ_XF_INFO 0x0140
225 /* Write Transformer info */
226 #define SLIC_REG_WRITE_XF_INFO 0x0148
227 /* Write card ticks per second */
228 #define SLIC_REG_TICKS_PER_SEC 0x0170
229 #define SLIC_REG_HOSTID 0x1554
230
231 #define PCI_VENDOR_ID_ALACRITECH 0x139A
232 #define PCI_DEVICE_ID_ALACRITECH_MOJAVE 0x0005
233 #define PCI_SUBDEVICE_ID_ALACRITECH_1000X1 0x0005
234 #define PCI_SUBDEVICE_ID_ALACRITECH_1000X1_2 0x0006
235 #define PCI_SUBDEVICE_ID_ALACRITECH_1000X1F 0x0007
236 #define PCI_SUBDEVICE_ID_ALACRITECH_CICADA 0x0008
237 #define PCI_SUBDEVICE_ID_ALACRITECH_SES1001T 0x2006
238 #define PCI_SUBDEVICE_ID_ALACRITECH_SES1001F 0x2007
239 #define PCI_DEVICE_ID_ALACRITECH_OASIS 0x0007
240 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2002XT 0x000B
241 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2002XF 0x000C
242 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2001XT 0x000D
243 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2001XF 0x000E
244 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2104EF 0x000F
245 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2104ET 0x0010
246 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2102EF 0x0011
247 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2102ET 0x0012
248
249 /* Note: power of two required for number descriptors */
250 #define SLIC_NUM_RX_LES 256
251 #define SLIC_RX_BUFF_SIZE 2048
252 #define SLIC_RX_BUFF_ALIGN 256
253 #define SLIC_RX_BUFF_HDR_SIZE 34
254 #define SLIC_MAX_REQ_RX_DESCS 1
255
256 #define SLIC_NUM_TX_DESCS 256
257 #define SLIC_TX_DESC_ALIGN 32
258 #define SLIC_MIN_TX_WAKEUP_DESCS 10
259 #define SLIC_MAX_REQ_TX_DESCS 1
260 #define SLIC_MAX_TX_COMPLETIONS 100
261
262 #define SLIC_NUM_STAT_DESCS 128
263 #define SLIC_STATS_DESC_ALIGN 256
264
265 #define SLIC_NUM_STAT_DESC_ARRAYS 4
266 #define SLIC_INVALID_STAT_DESC_IDX 0xffffffff
267
268 #define SLIC_UPR_LSTAT 0
269 #define SLIC_UPR_CONFIG 1
270
271 #define SLIC_EEPROM_SIZE 128
272 #define SLIC_EEPROM_MAGIC 0xa5a5
273
274 #define SLIC_FIRMWARE_MOJAVE "slicoss/gbdownload.sys"
275 #define SLIC_FIRMWARE_OASIS "slicoss/oasisdownload.sys"
276 #define SLIC_RCV_FIRMWARE_MOJAVE "slicoss/gbrcvucode.sys"
277 #define SLIC_RCV_FIRMWARE_OASIS "slicoss/oasisrcvucode.sys"
278 #define SLIC_FIRMWARE_MIN_SIZE 64
279 #define SLIC_FIRMWARE_MAX_SECTIONS 3
280
281 #define SLIC_MODEL_MOJAVE 0
282 #define SLIC_MODEL_OASIS 1
283
284 #define SLIC_INC_STATS_COUNTER(st, counter) \
285 do { \
286 u64_stats_update_begin(&(st)->syncp); \
287 (st)->counter++; \
288 u64_stats_update_end(&(st)->syncp); \
289 } while (0)
290
291 #define SLIC_GET_STATS_COUNTER(newst, st, counter) \
292 { \
293 unsigned int start; \
294 do { \
295 start = u64_stats_fetch_begin(&(st)->syncp); \
296 newst = (st)->counter; \
297 } while (u64_stats_fetch_retry(&(st)->syncp, start)); \
298 }
299
300 struct slic_upr {
301 dma_addr_t paddr;
302 unsigned int type;
303 struct list_head list;
304 };
305
306 struct slic_upr_list {
307 bool pending;
308 struct list_head list;
309 /* upr list lock */
310 spinlock_t lock;
311 };
312
313 /* SLIC EEPROM structure for Mojave */
314 struct slic_mojave_eeprom {
315 __le16 id; /* 00 EEPROM/FLASH Magic code 'A5A5'*/
316 __le16 eeprom_code_size;/* 01 Size of EEPROM Codes (bytes * 4)*/
317 __le16 flash_size; /* 02 Flash size */
318 __le16 eeprom_size; /* 03 EEPROM Size */
319 __le16 vendor_id; /* 04 Vendor ID */
320 __le16 dev_id; /* 05 Device ID */
321 u8 rev_id; /* 06 Revision ID */
322 u8 class_code[3]; /* 07 Class Code */
323 u8 irqpin_dbg; /* 08 Debug Interrupt pin */
324 u8 irqpin; /* Network Interrupt Pin */
325 u8 min_grant; /* 09 Minimum grant */
326 u8 max_lat; /* Maximum Latency */
327 __le16 pci_stat; /* 10 PCI Status */
328 __le16 sub_vendor_id; /* 11 Subsystem Vendor Id */
329 __le16 sub_id; /* 12 Subsystem ID */
330 __le16 dev_id_dbg; /* 13 Debug Device Id */
331 __le16 ramrom; /* 14 Dram/Rom function */
332 __le16 dram_size2pci; /* 15 DRAM size to PCI (bytes * 64K) */
333 __le16 rom_size2pci; /* 16 ROM extension size to PCI (bytes * 4k) */
334 u8 pad[2]; /* 17 Padding */
335 u8 freetime; /* 18 FreeTime setting */
336 u8 ifctrl; /* 10-bit interface control (Mojave only) */
337 __le16 dram_size; /* 19 DRAM size (bytes * 64k) */
338 u8 mac[ETH_ALEN]; /* 20 MAC addresses */
339 u8 mac2[ETH_ALEN];
340 u8 pad2[6];
341 u16 dev_id2; /* Device ID for 2nd PCI function */
342 u8 irqpin2; /* Interrupt pin for 2nd PCI function */
343 u8 class_code2[3]; /* Class Code for 2nd PCI function */
344 u16 cfg_byte6; /* Config Byte 6 */
345 u16 pme_cap; /* Power Mgment capabilities */
346 u16 nwclk_ctrl; /* NetworkClockControls */
347 u8 fru_format; /* Alacritech FRU format type */
348 u8 fru_assembly[6]; /* Alacritech FRU information */
349 u8 fru_rev[2];
350 u8 fru_serial[14];
351 u8 fru_pad[3];
352 u8 oem_fru[28]; /* optional OEM FRU format type */
353 u8 pad3[4]; /* Pad to 128 bytes - includes 2 cksum bytes
354 * (if OEM FRU info exists) and two unusable
355 * bytes at the end
356 */
357 };
358
359 /* SLIC EEPROM structure for Oasis */
360 struct slic_oasis_eeprom {
361 __le16 id; /* 00 EEPROM/FLASH Magic code 'A5A5' */
362 __le16 eeprom_code_size;/* 01 Size of EEPROM Codes (bytes * 4)*/
363 __le16 spidev0_cfg; /* 02 Flash Config for SPI device 0 */
364 __le16 spidev1_cfg; /* 03 Flash Config for SPI device 1 */
365 __le16 vendor_id; /* 04 Vendor ID */
366 __le16 dev_id; /* 05 Device ID (function 0) */
367 u8 rev_id; /* 06 Revision ID */
368 u8 class_code0[3]; /* 07 Class Code for PCI function 0 */
369 u8 irqpin1; /* 08 Interrupt pin for PCI function 1*/
370 u8 class_code1[3]; /* 09 Class Code for PCI function 1 */
371 u8 irqpin2; /* 10 Interrupt pin for PCI function 2*/
372 u8 irqpin0; /* Interrupt pin for PCI function 0*/
373 u8 min_grant; /* 11 Minimum grant */
374 u8 max_lat; /* Maximum Latency */
375 __le16 sub_vendor_id; /* 12 Subsystem Vendor Id */
376 __le16 sub_id; /* 13 Subsystem ID */
377 __le16 flash_size; /* 14 Flash size (bytes / 4K) */
378 __le16 dram_size2pci; /* 15 DRAM size to PCI (bytes / 64K) */
379 __le16 rom_size2pci; /* 16 Flash (ROM extension) size to PCI
380 * (bytes / 4K)
381 */
382 __le16 dev_id1; /* 17 Device Id (function 1) */
383 __le16 dev_id2; /* 18 Device Id (function 2) */
384 __le16 dev_stat_cfg; /* 19 Device Status Config Bytes 6-7 */
385 __le16 pme_cap; /* 20 Power Mgment capabilities */
386 u8 msi_cap; /* 21 MSI capabilities */
387 u8 clock_div; /* Clock divider */
388 __le16 pci_stat_lo; /* 22 PCI Status bits 15:0 */
389 __le16 pci_stat_hi; /* 23 PCI Status bits 31:16 */
390 __le16 dram_cfg_lo; /* 24 DRAM Configuration bits 15:0 */
391 __le16 dram_cfg_hi; /* 25 DRAM Configuration bits 31:16 */
392 __le16 dram_size; /* 26 DRAM size (bytes / 64K) */
393 __le16 gpio_tbi_ctrl; /* 27 GPIO/TBI controls for functions 1/0 */
394 __le16 eeprom_size; /* 28 EEPROM Size */
395 u8 mac[ETH_ALEN]; /* 29 MAC addresses (2 ports) */
396 u8 mac2[ETH_ALEN];
397 u8 fru_format; /* 35 Alacritech FRU format type */
398 u8 fru_assembly[6]; /* Alacritech FRU information */
399 u8 fru_rev[2];
400 u8 fru_serial[14];
401 u8 fru_pad[3];
402 u8 oem_fru[28]; /* optional OEM FRU information */
403 u8 pad[4]; /* Pad to 128 bytes - includes 2 checksum bytes
404 * (if OEM FRU info exists) and two unusable
405 * bytes at the end
406 */
407 };
408
409 struct slic_stats {
410 u64 rx_packets;
411 u64 rx_bytes;
412 u64 rx_mcasts;
413 u64 rx_errors;
414 u64 tx_packets;
415 u64 tx_bytes;
416 /* HW STATS */
417 u64 rx_buff_miss;
418 u64 tx_dropped;
419 u64 irq_errs;
420 /* transport layer */
421 u64 rx_tpcsum;
422 u64 rx_tpoflow;
423 u64 rx_tphlen;
424 /* ip layer */
425 u64 rx_ipcsum;
426 u64 rx_iplen;
427 u64 rx_iphlen;
428 /* link layer */
429 u64 rx_early;
430 u64 rx_buffoflow;
431 u64 rx_lcode;
432 u64 rx_drbl;
433 u64 rx_crc;
434 u64 rx_oflow802;
435 u64 rx_uflow802;
436 /* oasis only */
437 u64 tx_carrier;
438 struct u64_stats_sync syncp;
439 };
440
441 struct slic_shmem_data {
442 __le32 isr;
443 __le32 link;
444 };
445
446 struct slic_shmem {
447 dma_addr_t isr_paddr;
448 dma_addr_t link_paddr;
449 struct slic_shmem_data *shmem_data;
450 };
451
452 struct slic_rx_info_oasis {
453 __le32 frame_status;
454 __le32 frame_status_b;
455 __le32 time_stamp;
456 __le32 checksum;
457 };
458
459 struct slic_rx_info_mojave {
460 __le32 frame_status;
461 __le16 byte_cnt;
462 __le16 tp_chksum;
463 __le16 ctx_hash;
464 __le16 mac_hash;
465 __le16 buff_lnk;
466 };
467
468 struct slic_stat_desc {
469 __le32 hnd;
470 __u8 pad[8];
471 __le32 status;
472 __u8 pad2[16];
473 };
474
475 struct slic_stat_queue {
476 struct slic_stat_desc *descs[SLIC_NUM_STAT_DESC_ARRAYS];
477 dma_addr_t paddr[SLIC_NUM_STAT_DESC_ARRAYS];
478 unsigned int addr_offset[SLIC_NUM_STAT_DESC_ARRAYS];
479 unsigned int active_array;
480 unsigned int len;
481 unsigned int done_idx;
482 size_t mem_size;
483 };
484
485 struct slic_tx_desc {
486 __le32 hnd;
487 __le32 rsvd;
488 u8 cmd;
489 u8 flags;
490 __le16 rsvd2;
491 __le32 totlen;
492 __le32 paddrl;
493 __le32 paddrh;
494 __le32 len;
495 __le32 type;
496 };
497
498 struct slic_tx_buffer {
499 struct sk_buff *skb;
500 DEFINE_DMA_UNMAP_ADDR(map_addr);
501 DEFINE_DMA_UNMAP_LEN(map_len);
502 struct slic_tx_desc *desc;
503 dma_addr_t desc_paddr;
504 };
505
506 struct slic_tx_queue {
507 struct dma_pool *dma_pool;
508 struct slic_tx_buffer *txbuffs;
509 unsigned int len;
510 unsigned int put_idx;
511 unsigned int done_idx;
512 };
513
514 struct slic_rx_desc {
515 u8 pad[16];
516 __le32 buffer;
517 __le32 length;
518 __le32 status;
519 };
520
521 struct slic_rx_buffer {
522 struct sk_buff *skb;
523 DEFINE_DMA_UNMAP_ADDR(map_addr);
524 DEFINE_DMA_UNMAP_LEN(map_len);
525 unsigned int addr_offset;
526 };
527
528 struct slic_rx_queue {
529 struct slic_rx_buffer *rxbuffs;
530 unsigned int len;
531 unsigned int done_idx;
532 unsigned int put_idx;
533 };
534
535 struct slic_device {
536 struct pci_dev *pdev;
537 struct net_device *netdev;
538 void __iomem *regs;
539 /* upper address setting lock */
540 spinlock_t upper_lock;
541 struct slic_shmem shmem;
542 struct napi_struct napi;
543 struct slic_rx_queue rxq;
544 struct slic_tx_queue txq;
545 struct slic_stat_queue stq;
546 struct slic_stats stats;
547 struct slic_upr_list upr_list;
548 /* link configuration lock */
549 spinlock_t link_lock;
550 bool promisc;
551 int speed;
552 unsigned int duplex;
553 bool is_fiber;
554 unsigned char model;
555 };
556
slic_read(struct slic_device * sdev,unsigned int reg)557 static inline u32 slic_read(struct slic_device *sdev, unsigned int reg)
558 {
559 return ioread32(sdev->regs + reg);
560 }
561
slic_write(struct slic_device * sdev,unsigned int reg,u32 val)562 static inline void slic_write(struct slic_device *sdev, unsigned int reg,
563 u32 val)
564 {
565 iowrite32(val, sdev->regs + reg);
566 }
567
slic_flush_write(struct slic_device * sdev)568 static inline void slic_flush_write(struct slic_device *sdev)
569 {
570 (void)ioread32(sdev->regs + SLIC_REG_HOSTID);
571 }
572
573 #endif /* _SLIC_H */
574