1 /* SPDX-License-Identifier: GPL-2.0 */
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/netdevice.h>
12 #include <linux/list.h>
13 #include <linux/u64_stats_sync.h>
15 #define SLIC_VGBSTAT_XPERR 0x40000000
16 #define SLIC_VGBSTAT_XERRSHFT 25
17 #define SLIC_VGBSTAT_XCSERR 0x23
18 #define SLIC_VGBSTAT_XUFLOW 0x22
19 #define SLIC_VGBSTAT_XHLEN 0x20
20 #define SLIC_VGBSTAT_NETERR 0x01000000
21 #define SLIC_VGBSTAT_NERRSHFT 16
22 #define SLIC_VGBSTAT_NERRMSK 0x1ff
23 #define SLIC_VGBSTAT_NCSERR 0x103
24 #define SLIC_VGBSTAT_NUFLOW 0x102
25 #define SLIC_VGBSTAT_NHLEN 0x100
26 #define SLIC_VGBSTAT_LNKERR 0x00000080
27 #define SLIC_VGBSTAT_LERRMSK 0xff
28 #define SLIC_VGBSTAT_LDEARLY 0x86
29 #define SLIC_VGBSTAT_LBOFLO 0x85
30 #define SLIC_VGBSTAT_LCODERR 0x84
31 #define SLIC_VGBSTAT_LDBLNBL 0x83
32 #define SLIC_VGBSTAT_LCRCERR 0x82
33 #define SLIC_VGBSTAT_LOFLO 0x81
34 #define SLIC_VGBSTAT_LUFLO 0x80
36 #define SLIC_IRHDDR_FLEN_MSK 0x0000ffff
37 #define SLIC_IRHDDR_SVALID 0x80000000
38 #define SLIC_IRHDDR_ERR 0x10000000
40 #define SLIC_VRHSTAT_802OE 0x80000000
41 #define SLIC_VRHSTAT_TPOFLO 0x10000000
42 #define SLIC_VRHSTATB_802UE 0x80000000
43 #define SLIC_VRHSTATB_RCVE 0x40000000
44 #define SLIC_VRHSTATB_BUFF 0x20000000
45 #define SLIC_VRHSTATB_CARRE 0x08000000
46 #define SLIC_VRHSTATB_LONGE 0x02000000
47 #define SLIC_VRHSTATB_PREA 0x01000000
48 #define SLIC_VRHSTATB_CRC 0x00800000
49 #define SLIC_VRHSTATB_DRBL 0x00400000
50 #define SLIC_VRHSTATB_CODE 0x00200000
51 #define SLIC_VRHSTATB_TPCSUM 0x00100000
52 #define SLIC_VRHSTATB_TPHLEN 0x00080000
53 #define SLIC_VRHSTATB_IPCSUM 0x00040000
54 #define SLIC_VRHSTATB_IPLERR 0x00020000
55 #define SLIC_VRHSTATB_IPHERR 0x00010000
57 #define SLIC_CMD_XMT_REQ 0x01
58 #define SLIC_CMD_TYPE_DUMB 3
60 #define SLIC_RESET_MAGIC 0xDEAD
61 #define SLIC_ICR_INT_OFF 0
62 #define SLIC_ICR_INT_ON 1
63 #define SLIC_ICR_INT_MASK 2
65 #define SLIC_ISR_ERR 0x80000000
66 #define SLIC_ISR_RCV 0x40000000
67 #define SLIC_ISR_CMD 0x20000000
68 #define SLIC_ISR_IO 0x60000000
69 #define SLIC_ISR_UPC 0x10000000
70 #define SLIC_ISR_LEVENT 0x08000000
71 #define SLIC_ISR_RMISS 0x02000000
72 #define SLIC_ISR_UPCERR 0x01000000
73 #define SLIC_ISR_XDROP 0x00800000
74 #define SLIC_ISR_UPCBSY 0x00020000
76 #define SLIC_ISR_PING_MASK 0x00700000
77 #define SLIC_ISR_UPCERR_MASK (SLIC_ISR_UPCERR | SLIC_ISR_UPCBSY)
78 #define SLIC_ISR_UPC_MASK (SLIC_ISR_UPC | SLIC_ISR_UPCERR_MASK)
79 #define SLIC_WCS_START 0x80000000
80 #define SLIC_WCS_COMPARE 0x40000000
81 #define SLIC_RCVWCS_BEGIN 0x40000000
82 #define SLIC_RCVWCS_FINISH 0x80000000
84 #define SLIC_MIICR_REG_16 0x00100000
85 #define SLIC_MRV_REG16_XOVERON 0x0068
87 #define SLIC_GIG_LINKUP 0x0001
88 #define SLIC_GIG_FULLDUPLEX 0x0002
89 #define SLIC_GIG_SPEED_MASK 0x000C
90 #define SLIC_GIG_SPEED_1000 0x0008
91 #define SLIC_GIG_SPEED_100 0x0004
92 #define SLIC_GIG_SPEED_10 0x0000
94 #define SLIC_GMCR_RESET 0x80000000
95 #define SLIC_GMCR_GBIT 0x20000000
96 #define SLIC_GMCR_FULLD 0x10000000
97 #define SLIC_GMCR_GAPBB_SHIFT 14
98 #define SLIC_GMCR_GAPR1_SHIFT 7
99 #define SLIC_GMCR_GAPR2_SHIFT 0
100 #define SLIC_GMCR_GAPBB_1000 0x60
101 #define SLIC_GMCR_GAPR1_1000 0x2C
102 #define SLIC_GMCR_GAPR2_1000 0x40
103 #define SLIC_GMCR_GAPBB_100 0x70
104 #define SLIC_GMCR_GAPR1_100 0x2C
105 #define SLIC_GMCR_GAPR2_100 0x40
107 #define SLIC_XCR_RESET 0x80000000
108 #define SLIC_XCR_XMTEN 0x40000000
109 #define SLIC_XCR_PAUSEEN 0x20000000
110 #define SLIC_XCR_LOADRNG 0x10000000
112 #define SLIC_GXCR_RESET 0x80000000
113 #define SLIC_GXCR_XMTEN 0x40000000
114 #define SLIC_GXCR_PAUSEEN 0x20000000
116 #define SLIC_GRCR_RESET 0x80000000
117 #define SLIC_GRCR_RCVEN 0x40000000
118 #define SLIC_GRCR_RCVALL 0x20000000
119 #define SLIC_GRCR_RCVBAD 0x10000000
120 #define SLIC_GRCR_CTLEN 0x08000000
121 #define SLIC_GRCR_ADDRAEN 0x02000000
122 #define SLIC_GRCR_HASHSIZE_SHIFT 17
123 #define SLIC_GRCR_HASHSIZE 14
126 #define SLIC_REG_RESET 0x0000
127 /* Interrupt Control Register */
128 #define SLIC_REG_ICR 0x0008
129 /* Interrupt status pointer */
130 #define SLIC_REG_ISP 0x0010
131 /* Interrupt status */
132 #define SLIC_REG_ISR 0x0018
133 /* Header buffer address reg
134 * 31-8 - phy addr of set of contiguous hdr buffers
135 * 7-0 - number of buffers passed
136 * Buffers are 256 bytes long on 256-byte boundaries.
138 #define SLIC_REG_HBAR 0x0020
139 /* Data buffer handle & address reg
140 * 4 sets of registers; Buffers are 2K bytes long 2 per 4K page.
142 #define SLIC_REG_DBAR 0x0028
143 /* Xmt Cmd buf addr regs.
144 * 1 per XMT interface
145 * 31-5 - phy addr of host command buffer
146 * 4-0 - length of cmd in multiples of 32 bytes
147 * Buffers are 32 bytes up to 512 bytes long
149 #define SLIC_REG_CBAR 0x0030
150 /* Write control store */
151 #define SLIC_REG_WCS 0x0034
152 /*Response buffer address reg.
153 * 31-8 - phy addr of set of contiguous response buffers
154 * 7-0 - number of buffers passed
155 * Buffers are 32 bytes long on 32-byte boundaries.
157 #define SLIC_REG_RBAR 0x0038
158 /* Read statistics (UPR) */
159 #define SLIC_REG_RSTAT 0x0040
160 /* Read link status */
161 #define SLIC_REG_LSTAT 0x0048
162 /* Write Mac Config */
163 #define SLIC_REG_WMCFG 0x0050
164 /* Write phy register */
165 #define SLIC_REG_WPHY 0x0058
166 /* Rcv Cmd buf addr reg */
167 #define SLIC_REG_RCBAR 0x0060
168 /* Read SLIC Config*/
169 #define SLIC_REG_RCONFIG 0x0068
170 /* Interrupt aggregation time */
171 #define SLIC_REG_INTAGG 0x0070
172 /* Write XMIT config reg */
173 #define SLIC_REG_WXCFG 0x0078
174 /* Write RCV config reg */
175 #define SLIC_REG_WRCFG 0x0080
176 /* Write rcv addr a low */
177 #define SLIC_REG_WRADDRAL 0x0088
178 /* Write rcv addr a high */
179 #define SLIC_REG_WRADDRAH 0x0090
180 /* Write rcv addr b low */
181 #define SLIC_REG_WRADDRBL 0x0098
182 /* Write rcv addr b high */
183 #define SLIC_REG_WRADDRBH 0x00a0
184 /* Low bits of mcast mask */
185 #define SLIC_REG_MCASTLOW 0x00a8
186 /* High bits of mcast mask */
187 #define SLIC_REG_MCASTHIGH 0x00b0
189 #define SLIC_REG_PING 0x00b8
191 #define SLIC_REG_DUMP_CMD 0x00c0
192 /* Dump data pointer */
193 #define SLIC_REG_DUMP_DATA 0x00c8
194 /* Read card's pci_status register */
195 #define SLIC_REG_PCISTATUS 0x00d0
196 /* Write hostid field */
197 #define SLIC_REG_WRHOSTID 0x00d8
198 /* Put card in a low power state */
199 #define SLIC_REG_LOW_POWER 0x00e0
200 /* Force slic into quiescent state before soft reset */
201 #define SLIC_REG_QUIESCE 0x00e8
202 /* Reset interface queues */
203 #define SLIC_REG_RESET_IFACE 0x00f0
204 /* Register is only written when it has changed.
205 * Bits 63-32 for host i/f addrs.
207 #define SLIC_REG_ADDR_UPPER 0x00f8
208 /* 64 bit Header buffer address reg */
209 #define SLIC_REG_HBAR64 0x0100
210 /* 64 bit Data buffer handle & address reg */
211 #define SLIC_REG_DBAR64 0x0108
212 /* 64 bit Xmt Cmd buf addr regs. */
213 #define SLIC_REG_CBAR64 0x0110
214 /* 64 bit Response buffer address reg.*/
215 #define SLIC_REG_RBAR64 0x0118
216 /* 64 bit Rcv Cmd buf addr reg*/
217 #define SLIC_REG_RCBAR64 0x0120
218 /* Read statistics (64 bit UPR) */
219 #define SLIC_REG_RSTAT64 0x0128
220 /* Download Gigabit RCV sequencer ucode */
221 #define SLIC_REG_RCV_WCS 0x0130
222 /* Write VlanId field */
223 #define SLIC_REG_WRVLANID 0x0138
224 /* Read Transformer info */
225 #define SLIC_REG_READ_XF_INFO 0x0140
226 /* Write Transformer info */
227 #define SLIC_REG_WRITE_XF_INFO 0x0148
228 /* Write card ticks per second */
229 #define SLIC_REG_TICKS_PER_SEC 0x0170
230 #define SLIC_REG_HOSTID 0x1554
232 #define PCI_VENDOR_ID_ALACRITECH 0x139A
233 #define PCI_DEVICE_ID_ALACRITECH_MOJAVE 0x0005
234 #define PCI_SUBDEVICE_ID_ALACRITECH_1000X1 0x0005
235 #define PCI_SUBDEVICE_ID_ALACRITECH_1000X1_2 0x0006
236 #define PCI_SUBDEVICE_ID_ALACRITECH_1000X1F 0x0007
237 #define PCI_SUBDEVICE_ID_ALACRITECH_CICADA 0x0008
238 #define PCI_SUBDEVICE_ID_ALACRITECH_SES1001T 0x2006
239 #define PCI_SUBDEVICE_ID_ALACRITECH_SES1001F 0x2007
240 #define PCI_DEVICE_ID_ALACRITECH_OASIS 0x0007
241 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2002XT 0x000B
242 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2002XF 0x000C
243 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2001XT 0x000D
244 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2001XF 0x000E
245 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2104EF 0x000F
246 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2104ET 0x0010
247 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2102EF 0x0011
248 #define PCI_SUBDEVICE_ID_ALACRITECH_SEN2102ET 0x0012
250 /* Note: power of two required for number descriptors */
251 #define SLIC_NUM_RX_LES 256
252 #define SLIC_RX_BUFF_SIZE 2048
253 #define SLIC_RX_BUFF_ALIGN 256
254 #define SLIC_RX_BUFF_HDR_SIZE 34
255 #define SLIC_MAX_REQ_RX_DESCS 1
257 #define SLIC_NUM_TX_DESCS 256
258 #define SLIC_TX_DESC_ALIGN 32
259 #define SLIC_MIN_TX_WAKEUP_DESCS 10
260 #define SLIC_MAX_REQ_TX_DESCS 1
261 #define SLIC_MAX_TX_COMPLETIONS 100
263 #define SLIC_NUM_STAT_DESCS 128
264 #define SLIC_STATS_DESC_ALIGN 256
266 #define SLIC_NUM_STAT_DESC_ARRAYS 4
267 #define SLIC_INVALID_STAT_DESC_IDX 0xffffffff
269 #define SLIC_NAPI_WEIGHT 64
271 #define SLIC_UPR_LSTAT 0
272 #define SLIC_UPR_CONFIG 1
274 #define SLIC_EEPROM_SIZE 128
275 #define SLIC_EEPROM_MAGIC 0xa5a5
277 #define SLIC_FIRMWARE_MOJAVE "slicoss/gbdownload.sys"
278 #define SLIC_FIRMWARE_OASIS "slicoss/oasisdownload.sys"
279 #define SLIC_RCV_FIRMWARE_MOJAVE "slicoss/gbrcvucode.sys"
280 #define SLIC_RCV_FIRMWARE_OASIS "slicoss/oasisrcvucode.sys"
281 #define SLIC_FIRMWARE_MIN_SIZE 64
282 #define SLIC_FIRMWARE_MAX_SECTIONS 3
284 #define SLIC_MODEL_MOJAVE 0
285 #define SLIC_MODEL_OASIS 1
287 #define SLIC_INC_STATS_COUNTER(st, counter) \
289 u64_stats_update_begin(&(st)->syncp); \
291 u64_stats_update_end(&(st)->syncp); \
294 #define SLIC_GET_STATS_COUNTER(newst, st, counter) \
296 unsigned int start; \
298 start = u64_stats_fetch_begin_irq(&(st)->syncp); \
299 newst = (st)->counter; \
300 } while (u64_stats_fetch_retry_irq(&(st)->syncp, start)); \
306 struct list_head list
;
309 struct slic_upr_list
{
311 struct list_head list
;
316 /* SLIC EEPROM structure for Mojave */
317 struct slic_mojave_eeprom
{
318 __le16 id
; /* 00 EEPROM/FLASH Magic code 'A5A5'*/
319 __le16 eeprom_code_size
;/* 01 Size of EEPROM Codes (bytes * 4)*/
320 __le16 flash_size
; /* 02 Flash size */
321 __le16 eeprom_size
; /* 03 EEPROM Size */
322 __le16 vendor_id
; /* 04 Vendor ID */
323 __le16 dev_id
; /* 05 Device ID */
324 u8 rev_id
; /* 06 Revision ID */
325 u8 class_code
[3]; /* 07 Class Code */
326 u8 irqpin_dbg
; /* 08 Debug Interrupt pin */
327 u8 irqpin
; /* Network Interrupt Pin */
328 u8 min_grant
; /* 09 Minimum grant */
329 u8 max_lat
; /* Maximum Latency */
330 __le16 pci_stat
; /* 10 PCI Status */
331 __le16 sub_vendor_id
; /* 11 Subsystem Vendor Id */
332 __le16 sub_id
; /* 12 Subsystem ID */
333 __le16 dev_id_dbg
; /* 13 Debug Device Id */
334 __le16 ramrom
; /* 14 Dram/Rom function */
335 __le16 dram_size2pci
; /* 15 DRAM size to PCI (bytes * 64K) */
336 __le16 rom_size2pci
; /* 16 ROM extension size to PCI (bytes * 4k) */
337 u8 pad
[2]; /* 17 Padding */
338 u8 freetime
; /* 18 FreeTime setting */
339 u8 ifctrl
; /* 10-bit interface control (Mojave only) */
340 __le16 dram_size
; /* 19 DRAM size (bytes * 64k) */
341 u8 mac
[ETH_ALEN
]; /* 20 MAC addresses */
344 u16 dev_id2
; /* Device ID for 2nd PCI function */
345 u8 irqpin2
; /* Interrupt pin for 2nd PCI function */
346 u8 class_code2
[3]; /* Class Code for 2nd PCI function */
347 u16 cfg_byte6
; /* Config Byte 6 */
348 u16 pme_cap
; /* Power Mgment capabilities */
349 u16 nwclk_ctrl
; /* NetworkClockControls */
350 u8 fru_format
; /* Alacritech FRU format type */
351 u8 fru_assembly
[6]; /* Alacritech FRU information */
355 u8 oem_fru
[28]; /* optional OEM FRU format type */
356 u8 pad3
[4]; /* Pad to 128 bytes - includes 2 cksum bytes
357 * (if OEM FRU info exists) and two unusable
362 /* SLIC EEPROM structure for Oasis */
363 struct slic_oasis_eeprom
{
364 __le16 id
; /* 00 EEPROM/FLASH Magic code 'A5A5' */
365 __le16 eeprom_code_size
;/* 01 Size of EEPROM Codes (bytes * 4)*/
366 __le16 spidev0_cfg
; /* 02 Flash Config for SPI device 0 */
367 __le16 spidev1_cfg
; /* 03 Flash Config for SPI device 1 */
368 __le16 vendor_id
; /* 04 Vendor ID */
369 __le16 dev_id
; /* 05 Device ID (function 0) */
370 u8 rev_id
; /* 06 Revision ID */
371 u8 class_code0
[3]; /* 07 Class Code for PCI function 0 */
372 u8 irqpin1
; /* 08 Interrupt pin for PCI function 1*/
373 u8 class_code1
[3]; /* 09 Class Code for PCI function 1 */
374 u8 irqpin2
; /* 10 Interrupt pin for PCI function 2*/
375 u8 irqpin0
; /* Interrupt pin for PCI function 0*/
376 u8 min_grant
; /* 11 Minimum grant */
377 u8 max_lat
; /* Maximum Latency */
378 __le16 sub_vendor_id
; /* 12 Subsystem Vendor Id */
379 __le16 sub_id
; /* 13 Subsystem ID */
380 __le16 flash_size
; /* 14 Flash size (bytes / 4K) */
381 __le16 dram_size2pci
; /* 15 DRAM size to PCI (bytes / 64K) */
382 __le16 rom_size2pci
; /* 16 Flash (ROM extension) size to PCI
385 __le16 dev_id1
; /* 17 Device Id (function 1) */
386 __le16 dev_id2
; /* 18 Device Id (function 2) */
387 __le16 dev_stat_cfg
; /* 19 Device Status Config Bytes 6-7 */
388 __le16 pme_cap
; /* 20 Power Mgment capabilities */
389 u8 msi_cap
; /* 21 MSI capabilities */
390 u8 clock_div
; /* Clock divider */
391 __le16 pci_stat_lo
; /* 22 PCI Status bits 15:0 */
392 __le16 pci_stat_hi
; /* 23 PCI Status bits 31:16 */
393 __le16 dram_cfg_lo
; /* 24 DRAM Configuration bits 15:0 */
394 __le16 dram_cfg_hi
; /* 25 DRAM Configuration bits 31:16 */
395 __le16 dram_size
; /* 26 DRAM size (bytes / 64K) */
396 __le16 gpio_tbi_ctrl
; /* 27 GPIO/TBI controls for functions 1/0 */
397 __le16 eeprom_size
; /* 28 EEPROM Size */
398 u8 mac
[ETH_ALEN
]; /* 29 MAC addresses (2 ports) */
400 u8 fru_format
; /* 35 Alacritech FRU format type */
401 u8 fru_assembly
[6]; /* Alacritech FRU information */
405 u8 oem_fru
[28]; /* optional OEM FRU information */
406 u8 pad
[4]; /* Pad to 128 bytes - includes 2 checksum bytes
407 * (if OEM FRU info exists) and two unusable
423 /* transport layer */
441 struct u64_stats_sync syncp
;
444 struct slic_shmem_data
{
450 dma_addr_t isr_paddr
;
451 dma_addr_t link_paddr
;
452 struct slic_shmem_data
*shmem_data
;
455 struct slic_rx_info_oasis
{
457 __le32 frame_status_b
;
462 struct slic_rx_info_mojave
{
471 struct slic_stat_desc
{
478 struct slic_stat_queue
{
479 struct slic_stat_desc
*descs
[SLIC_NUM_STAT_DESC_ARRAYS
];
480 dma_addr_t paddr
[SLIC_NUM_STAT_DESC_ARRAYS
];
481 unsigned int addr_offset
[SLIC_NUM_STAT_DESC_ARRAYS
];
482 unsigned int active_array
;
484 unsigned int done_idx
;
488 struct slic_tx_desc
{
501 struct slic_tx_buffer
{
503 DEFINE_DMA_UNMAP_ADDR(map_addr
);
504 DEFINE_DMA_UNMAP_LEN(map_len
);
505 struct slic_tx_desc
*desc
;
506 dma_addr_t desc_paddr
;
509 struct slic_tx_queue
{
510 struct dma_pool
*dma_pool
;
511 struct slic_tx_buffer
*txbuffs
;
513 unsigned int put_idx
;
514 unsigned int done_idx
;
517 struct slic_rx_desc
{
524 struct slic_rx_buffer
{
526 DEFINE_DMA_UNMAP_ADDR(map_addr
);
527 DEFINE_DMA_UNMAP_LEN(map_len
);
528 unsigned int addr_offset
;
531 struct slic_rx_queue
{
532 struct slic_rx_buffer
*rxbuffs
;
534 unsigned int done_idx
;
535 unsigned int put_idx
;
539 struct pci_dev
*pdev
;
540 struct net_device
*netdev
;
542 /* upper address setting lock */
543 spinlock_t upper_lock
;
544 struct slic_shmem shmem
;
545 struct napi_struct napi
;
546 struct slic_rx_queue rxq
;
547 struct slic_tx_queue txq
;
548 struct slic_stat_queue stq
;
549 struct slic_stats stats
;
550 struct slic_upr_list upr_list
;
551 /* link configuration lock */
552 spinlock_t link_lock
;
560 static inline u32
slic_read(struct slic_device
*sdev
, unsigned int reg
)
562 return ioread32(sdev
->regs
+ reg
);
565 static inline void slic_write(struct slic_device
*sdev
, unsigned int reg
,
568 iowrite32(val
, sdev
->regs
+ reg
);
571 static inline void slic_flush_write(struct slic_device
*sdev
)
573 (void)ioread32(sdev
->regs
+ SLIC_REG_HOSTID
);