1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright(c) 2013 - 2018 Intel Corporation. */
7 /* forward declaration */
10 #include <linux/types.h>
11 #include <asm/byteorder.h>
12 #include <linux/etherdevice.h>
14 #include "fm10k_mbx.h"
16 #define FM10K_DEV_ID_PF 0x15A4
17 #define FM10K_DEV_ID_VF 0x15A5
19 #define FM10K_MAX_QUEUES 256
20 #define FM10K_MAX_QUEUES_PF 128
21 #define FM10K_MAX_QUEUES_POOL 16
23 #define FM10K_48_BIT_MASK 0x0000FFFFFFFFFFFFull
24 #define FM10K_STAT_VALID 0x80000000
27 #define FM10K_PCIE_LINK_CAP 0x7C
28 #define FM10K_PCIE_LINK_STATUS 0x82
29 #define FM10K_PCIE_LINK_WIDTH 0x3F0
30 #define FM10K_PCIE_LINK_WIDTH_1 0x10
31 #define FM10K_PCIE_LINK_WIDTH_2 0x20
32 #define FM10K_PCIE_LINK_WIDTH_4 0x40
33 #define FM10K_PCIE_LINK_WIDTH_8 0x80
34 #define FM10K_PCIE_LINK_SPEED 0xF
35 #define FM10K_PCIE_LINK_SPEED_2500 0x1
36 #define FM10K_PCIE_LINK_SPEED_5000 0x2
37 #define FM10K_PCIE_LINK_SPEED_8000 0x3
39 /* PCIe payload size */
40 #define FM10K_PCIE_DEV_CAP 0x74
41 #define FM10K_PCIE_DEV_CAP_PAYLOAD 0x07
42 #define FM10K_PCIE_DEV_CAP_PAYLOAD_128 0x00
43 #define FM10K_PCIE_DEV_CAP_PAYLOAD_256 0x01
44 #define FM10K_PCIE_DEV_CAP_PAYLOAD_512 0x02
45 #define FM10K_PCIE_DEV_CTRL 0x78
46 #define FM10K_PCIE_DEV_CTRL_PAYLOAD 0xE0
47 #define FM10K_PCIE_DEV_CTRL_PAYLOAD_128 0x00
48 #define FM10K_PCIE_DEV_CTRL_PAYLOAD_256 0x20
49 #define FM10K_PCIE_DEV_CTRL_PAYLOAD_512 0x40
51 /* PCIe MSI-X Capability info */
52 #define FM10K_PCI_MSIX_MSG_CTRL 0xB2
53 #define FM10K_PCI_MSIX_MSG_CTRL_TBL_SZ_MASK 0x7FF
54 #define FM10K_MAX_MSIX_VECTORS 256
55 #define FM10K_MAX_VECTORS_PF 256
56 #define FM10K_MAX_VECTORS_POOL 32
58 /* PCIe SR-IOV Info */
59 #define FM10K_PCIE_SRIOV_CTRL 0x190
60 #define FM10K_PCIE_SRIOV_CTRL_VFARI 0x10
62 #define FM10K_ERR_PARAM -2
63 #define FM10K_ERR_NO_RESOURCES -3
64 #define FM10K_ERR_REQUESTS_PENDING -4
65 #define FM10K_ERR_RESET_REQUESTED -5
66 #define FM10K_ERR_DMA_PENDING -6
67 #define FM10K_ERR_RESET_FAILED -7
68 #define FM10K_ERR_INVALID_MAC_ADDR -8
69 #define FM10K_ERR_INVALID_VALUE -9
70 #define FM10K_NOT_IMPLEMENTED 0x7FFFFFFF
72 /* Start of PF registers */
73 #define FM10K_CTRL 0x0000
74 #define FM10K_CTRL_BAR4_ALLOWED 0x00000004
76 #define FM10K_CTRL_EXT 0x0001
77 #define FM10K_GCR 0x0003
78 #define FM10K_GCR_EXT 0x0005
80 /* Interrupt control registers */
81 #define FM10K_EICR 0x0006
82 #define FM10K_EICR_FAULT_MASK 0x0000003F
83 #define FM10K_EICR_MAILBOX 0x00000040
84 #define FM10K_EICR_SWITCHREADY 0x00000080
85 #define FM10K_EICR_SWITCHNOTREADY 0x00000100
86 #define FM10K_EICR_SWITCHINTERRUPT 0x00000200
87 #define FM10K_EICR_VFLR 0x00000800
88 #define FM10K_EICR_MAXHOLDTIME 0x00001000
89 #define FM10K_EIMR 0x0007
90 #define FM10K_EIMR_PCA_FAULT 0x00000001
91 #define FM10K_EIMR_THI_FAULT 0x00000010
92 #define FM10K_EIMR_FUM_FAULT 0x00000400
93 #define FM10K_EIMR_MAILBOX 0x00001000
94 #define FM10K_EIMR_SWITCHREADY 0x00004000
95 #define FM10K_EIMR_SWITCHNOTREADY 0x00010000
96 #define FM10K_EIMR_SWITCHINTERRUPT 0x00040000
97 #define FM10K_EIMR_SRAMERROR 0x00100000
98 #define FM10K_EIMR_VFLR 0x00400000
99 #define FM10K_EIMR_MAXHOLDTIME 0x01000000
100 #define FM10K_EIMR_ALL 0x55555555
101 #define FM10K_EIMR_DISABLE(NAME) ((FM10K_EIMR_ ## NAME) << 0)
102 #define FM10K_EIMR_ENABLE(NAME) ((FM10K_EIMR_ ## NAME) << 1)
103 #define FM10K_FAULT_ADDR_LO 0x0
104 #define FM10K_FAULT_ADDR_HI 0x1
105 #define FM10K_FAULT_SPECINFO 0x2
106 #define FM10K_FAULT_FUNC 0x3
107 #define FM10K_FAULT_SIZE 0x4
108 #define FM10K_FAULT_FUNC_VALID 0x00008000
109 #define FM10K_FAULT_FUNC_PF 0x00004000
110 #define FM10K_FAULT_FUNC_VF_MASK 0x00003F00
111 #define FM10K_FAULT_FUNC_VF_SHIFT 8
112 #define FM10K_FAULT_FUNC_TYPE_MASK 0x000000FF
114 #define FM10K_PCA_FAULT 0x0008
115 #define FM10K_THI_FAULT 0x0010
116 #define FM10K_FUM_FAULT 0x001C
118 /* Rx queue timeout indicator */
119 #define FM10K_MAXHOLDQ(_n) ((_n) + 0x0020)
121 /* Switch Manager info */
122 #define FM10K_SM_AREA(_n) ((_n) + 0x0028)
124 /* GLORT mapping registers */
125 #define FM10K_DGLORTMAP(_n) ((_n) + 0x0030)
126 #define FM10K_DGLORT_COUNT 8
127 #define FM10K_DGLORTMAP_MASK_SHIFT 16
128 #define FM10K_DGLORTMAP_ANY 0x00000000
129 #define FM10K_DGLORTMAP_NONE 0x0000FFFF
130 #define FM10K_DGLORTMAP_ZERO 0xFFFF0000
131 #define FM10K_DGLORTDEC(_n) ((_n) + 0x0038)
132 #define FM10K_DGLORTDEC_VSILENGTH_SHIFT 4
133 #define FM10K_DGLORTDEC_VSIBASE_SHIFT 7
134 #define FM10K_DGLORTDEC_PCLENGTH_SHIFT 14
135 #define FM10K_DGLORTDEC_QBASE_SHIFT 16
136 #define FM10K_DGLORTDEC_RSSLENGTH_SHIFT 24
137 #define FM10K_DGLORTDEC_INNERRSS_ENABLE 0x08000000
138 #define FM10K_TUNNEL_CFG 0x0040
139 #define FM10K_TUNNEL_CFG_NVGRE_SHIFT 16
140 #define FM10K_TUNNEL_CFG_GENEVE 0x0041
141 #define FM10K_SWPRI_MAP(_n) ((_n) + 0x0050)
142 #define FM10K_SWPRI_MAX 16
143 #define FM10K_RSSRK(_n, _m) (((_n) * 0x10) + (_m) + 0x0800)
144 #define FM10K_RSSRK_SIZE 10
145 #define FM10K_RSSRK_ENTRIES_PER_REG 4
146 #define FM10K_RETA(_n, _m) (((_n) * 0x20) + (_m) + 0x1000)
147 #define FM10K_RETA_SIZE 32
148 #define FM10K_RETA_ENTRIES_PER_REG 4
149 #define FM10K_MAX_RSS_INDICES 128
151 /* Rate limiting registers */
152 #define FM10K_TC_CREDIT(_n) ((_n) + 0x2000)
153 #define FM10K_TC_CREDIT_CREDIT_MASK 0x001FFFFF
154 #define FM10K_TC_MAXCREDIT(_n) ((_n) + 0x2040)
155 #define FM10K_TC_MAXCREDIT_64K 0x00010000
156 #define FM10K_TC_RATE(_n) ((_n) + 0x2080)
157 #define FM10K_TC_RATE_QUANTA_MASK 0x0000FFFF
158 #define FM10K_TC_RATE_INTERVAL_4US_GEN1 0x00020000
159 #define FM10K_TC_RATE_INTERVAL_4US_GEN2 0x00040000
160 #define FM10K_TC_RATE_INTERVAL_4US_GEN3 0x00080000
162 /* DMA control registers */
163 #define FM10K_DMA_CTRL 0x20C3
164 #define FM10K_DMA_CTRL_TX_ENABLE 0x00000001
165 #define FM10K_DMA_CTRL_TX_ACTIVE 0x00000008
166 #define FM10K_DMA_CTRL_RX_ENABLE 0x00000010
167 #define FM10K_DMA_CTRL_RX_ACTIVE 0x00000080
168 #define FM10K_DMA_CTRL_RX_DESC_SIZE 0x00000100
169 #define FM10K_DMA_CTRL_MINMSS_64 0x00008000
170 #define FM10K_DMA_CTRL_MAX_HOLD_1US_GEN3 0x04800000
171 #define FM10K_DMA_CTRL_MAX_HOLD_1US_GEN2 0x04000000
172 #define FM10K_DMA_CTRL_MAX_HOLD_1US_GEN1 0x03800000
173 #define FM10K_DMA_CTRL_DATAPATH_RESET 0x20000000
174 #define FM10K_DMA_CTRL_32_DESC 0x00000000
176 #define FM10K_DMA_CTRL2 0x20C4
177 #define FM10K_DMA_CTRL2_SWITCH_READY 0x00002000
179 /* TSO flags configuration
180 * First packet contains all flags except for fin and psh
181 * Middle packet contains only urg and ack
182 * Last packet contains urg, ack, fin, and psh
184 #define FM10K_TSO_FLAGS_LOW 0x00300FF6
185 #define FM10K_TSO_FLAGS_HI 0x00000039
186 #define FM10K_DTXTCPFLGL 0x20C5
187 #define FM10K_DTXTCPFLGH 0x20C6
189 #define FM10K_TPH_CTRL 0x20C7
190 #define FM10K_MRQC(_n) ((_n) + 0x2100)
191 #define FM10K_MRQC_TCP_IPV4 0x00000001
192 #define FM10K_MRQC_IPV4 0x00000002
193 #define FM10K_MRQC_IPV6 0x00000010
194 #define FM10K_MRQC_TCP_IPV6 0x00000020
195 #define FM10K_MRQC_UDP_IPV4 0x00000040
196 #define FM10K_MRQC_UDP_IPV6 0x00000080
198 #define FM10K_TQMAP(_n) ((_n) + 0x2800)
199 #define FM10K_TQMAP_TABLE_SIZE 2048
200 #define FM10K_RQMAP(_n) ((_n) + 0x3000)
202 /* Hardware Statistics */
203 #define FM10K_STATS_TIMEOUT 0x3800
204 #define FM10K_STATS_UR 0x3801
205 #define FM10K_STATS_CA 0x3802
206 #define FM10K_STATS_UM 0x3803
207 #define FM10K_STATS_XEC 0x3804
208 #define FM10K_STATS_VLAN_DROP 0x3805
209 #define FM10K_STATS_LOOPBACK_DROP 0x3806
210 #define FM10K_STATS_NODESC_DROP 0x3807
212 /* PCIe state registers */
213 #define FM10K_PHYADDR 0x381C
215 /* Rx ring registers */
216 #define FM10K_RDBAL(_n) ((0x40 * (_n)) + 0x4000)
217 #define FM10K_RDBAH(_n) ((0x40 * (_n)) + 0x4001)
218 #define FM10K_RDLEN(_n) ((0x40 * (_n)) + 0x4002)
219 #define FM10K_TPH_RXCTRL(_n) ((0x40 * (_n)) + 0x4003)
220 #define FM10K_TPH_RXCTRL_DESC_TPHEN 0x00000020
221 #define FM10K_TPH_RXCTRL_DESC_RROEN 0x00000200
222 #define FM10K_TPH_RXCTRL_DATA_WROEN 0x00002000
223 #define FM10K_TPH_RXCTRL_HDR_WROEN 0x00008000
224 #define FM10K_RDH(_n) ((0x40 * (_n)) + 0x4004)
225 #define FM10K_RDT(_n) ((0x40 * (_n)) + 0x4005)
226 #define FM10K_RXQCTL(_n) ((0x40 * (_n)) + 0x4006)
227 #define FM10K_RXQCTL_ENABLE 0x00000001
228 #define FM10K_RXQCTL_PF 0x000000FC
229 #define FM10K_RXQCTL_VF_SHIFT 2
230 #define FM10K_RXQCTL_VF 0x00000100
231 #define FM10K_RXQCTL_ID_MASK (FM10K_RXQCTL_PF | FM10K_RXQCTL_VF)
232 #define FM10K_RXDCTL(_n) ((0x40 * (_n)) + 0x4007)
233 #define FM10K_RXDCTL_WRITE_BACK_MIN_DELAY 0x00000001
234 #define FM10K_RXDCTL_DROP_ON_EMPTY 0x00000200
235 #define FM10K_RXINT(_n) ((0x40 * (_n)) + 0x4008)
236 #define FM10K_SRRCTL(_n) ((0x40 * (_n)) + 0x4009)
237 #define FM10K_SRRCTL_BSIZEPKT_SHIFT 8 /* shift _right_ */
238 #define FM10K_SRRCTL_LOOPBACK_SUPPRESS 0x40000000
239 #define FM10K_SRRCTL_BUFFER_CHAINING_EN 0x80000000
242 #define FM10K_QPRC(_n) ((0x40 * (_n)) + 0x400A)
243 #define FM10K_QPRDC(_n) ((0x40 * (_n)) + 0x400B)
244 #define FM10K_QBRC_L(_n) ((0x40 * (_n)) + 0x400C)
245 #define FM10K_QBRC_H(_n) ((0x40 * (_n)) + 0x400D)
247 /* Rx GLORT register */
248 #define FM10K_RX_SGLORT(_n) ((0x40 * (_n)) + 0x400E)
250 /* Tx ring registers */
251 #define FM10K_TDBAL(_n) ((0x40 * (_n)) + 0x8000)
252 #define FM10K_TDBAH(_n) ((0x40 * (_n)) + 0x8001)
253 #define FM10K_TDLEN(_n) ((0x40 * (_n)) + 0x8002)
254 /* When fist initialized, VFs need to know the Interrupt Throttle Rate (ITR)
255 * scale which is based on the PCIe speed but the speed information in the PCI
256 * configuration space may not be accurate. The PF already knows the ITR scale
257 * but there is no defined method to pass that information from the PF to the
258 * VF. This is accomplished during VF initialization by temporarily co-opting
259 * the yet-to-be-used TDLEN register to have the PF store the ITR shift for
260 * the VF to retrieve before the VF needs to use the TDLEN register for its
261 * intended purpose, i.e. before the Tx resources are allocated.
263 #define FM10K_TDLEN_ITR_SCALE_SHIFT 9
264 #define FM10K_TDLEN_ITR_SCALE_MASK 0x00000E00
265 #define FM10K_TDLEN_ITR_SCALE_GEN1 2
266 #define FM10K_TDLEN_ITR_SCALE_GEN2 1
267 #define FM10K_TDLEN_ITR_SCALE_GEN3 0
268 #define FM10K_TPH_TXCTRL(_n) ((0x40 * (_n)) + 0x8003)
269 #define FM10K_TPH_TXCTRL_DESC_TPHEN 0x00000020
270 #define FM10K_TPH_TXCTRL_DESC_RROEN 0x00000200
271 #define FM10K_TPH_TXCTRL_DESC_WROEN 0x00000800
272 #define FM10K_TPH_TXCTRL_DATA_RROEN 0x00002000
273 #define FM10K_TDH(_n) ((0x40 * (_n)) + 0x8004)
274 #define FM10K_TDT(_n) ((0x40 * (_n)) + 0x8005)
275 #define FM10K_TXDCTL(_n) ((0x40 * (_n)) + 0x8006)
276 #define FM10K_TXDCTL_ENABLE 0x00004000
277 #define FM10K_TXDCTL_MAX_TIME_SHIFT 16
278 #define FM10K_TXQCTL(_n) ((0x40 * (_n)) + 0x8007)
279 #define FM10K_TXQCTL_PF 0x0000003F
280 #define FM10K_TXQCTL_VF 0x00000040
281 #define FM10K_TXQCTL_ID_MASK (FM10K_TXQCTL_PF | FM10K_TXQCTL_VF)
282 #define FM10K_TXQCTL_PC_SHIFT 7
283 #define FM10K_TXQCTL_PC_MASK 0x00000380
284 #define FM10K_TXQCTL_TC_SHIFT 10
285 #define FM10K_TXQCTL_VID_SHIFT 16
286 #define FM10K_TXQCTL_VID_MASK 0x0FFF0000
287 #define FM10K_TXQCTL_UNLIMITED_BW 0x10000000
288 #define FM10K_TXINT(_n) ((0x40 * (_n)) + 0x8008)
291 #define FM10K_QPTC(_n) ((0x40 * (_n)) + 0x8009)
292 #define FM10K_QBTC_L(_n) ((0x40 * (_n)) + 0x800A)
293 #define FM10K_QBTC_H(_n) ((0x40 * (_n)) + 0x800B)
295 /* Tx Push registers */
296 #define FM10K_TQDLOC(_n) ((0x40 * (_n)) + 0x800C)
297 #define FM10K_TQDLOC_BASE_32_DESC 0x08
298 #define FM10K_TQDLOC_SIZE_32_DESC 0x00050000
300 /* Tx GLORT registers */
301 #define FM10K_TX_SGLORT(_n) ((0x40 * (_n)) + 0x800D)
302 #define FM10K_PFVTCTL(_n) ((0x40 * (_n)) + 0x800E)
303 #define FM10K_PFVTCTL_FTAG_DESC_ENABLE 0x00000001
305 /* Interrupt moderation and control registers */
306 #define FM10K_INT_MAP(_n) ((_n) + 0x10080)
307 #define FM10K_INT_MAP_TIMER0 0x00000000
308 #define FM10K_INT_MAP_TIMER1 0x00000100
309 #define FM10K_INT_MAP_IMMEDIATE 0x00000200
310 #define FM10K_INT_MAP_DISABLE 0x00000300
311 #define FM10K_MSIX_VECTOR_MASK(_n) ((0x4 * (_n)) + 0x11003)
312 #define FM10K_INT_CTRL 0x12000
313 #define FM10K_INT_CTRL_ENABLEMODERATOR 0x00000400
314 #define FM10K_ITR(_n) ((_n) + 0x12400)
315 #define FM10K_ITR_INTERVAL1_SHIFT 12
316 #define FM10K_ITR_PENDING2 0x10000000
317 #define FM10K_ITR_AUTOMASK 0x20000000
318 #define FM10K_ITR_MASK_SET 0x40000000
319 #define FM10K_ITR_MASK_CLEAR 0x80000000
320 #define FM10K_ITR2(_n) ((0x2 * (_n)) + 0x12800)
321 #define FM10K_ITR_REG_COUNT 768
322 #define FM10K_ITR_REG_COUNT_PF 256
324 /* Switch manager interrupt registers */
325 #define FM10K_IP 0x13000
326 #define FM10K_IP_NOTINRESET 0x00000100
329 #define FM10K_VLAN_TABLE(_n, _m) ((0x80 * (_n)) + (_m) + 0x14000)
330 #define FM10K_VLAN_TABLE_SIZE 128
332 /* VLAN specific message offsets */
333 #define FM10K_VLAN_TABLE_VID_MAX 4096
334 #define FM10K_VLAN_TABLE_VSI_MAX 64
335 #define FM10K_VLAN_LENGTH_SHIFT 16
336 #define FM10K_VLAN_CLEAR BIT(15)
337 #define FM10K_VLAN_OVERRIDE FM10K_VLAN_CLEAR
338 #define FM10K_VLAN_ALL \
339 ((FM10K_VLAN_TABLE_VID_MAX - 1) << FM10K_VLAN_LENGTH_SHIFT)
341 /* VF FLR event notification registers */
342 #define FM10K_PFVFLRE(_n) ((0x1 * (_n)) + 0x18844)
343 #define FM10K_PFVFLREC(_n) ((0x1 * (_n)) + 0x18846)
345 /* Defines for size of uncacheable memories */
346 #define FM10K_UC_ADDR_START 0x000000 /* start of standard regs */
347 #define FM10K_UC_ADDR_END 0x100000 /* end of standard regs */
348 #define FM10K_UC_ADDR_SIZE (FM10K_UC_ADDR_END - FM10K_UC_ADDR_START)
350 /* Define timeouts for resets and disables */
351 #define FM10K_QUEUE_DISABLE_TIMEOUT 100
352 #define FM10K_RESET_TIMEOUT 150
354 /* Maximum supported combined inner and outer header length for encapsulation */
355 #define FM10K_TUNNEL_HEADER_LENGTH 184
358 #define FM10K_VFCTRL 0x00000
359 #define FM10K_VFCTRL_RST 0x00000008
360 #define FM10K_VFINT_MAP 0x00030
361 #define FM10K_VFSYSTIME 0x00040
362 #define FM10K_VFITR(_n) ((_n) + 0x00060)
364 enum fm10k_int_source {
365 fm10k_int_mailbox = 0,
366 fm10k_int_pcie_fault = 1,
367 fm10k_int_switch_up_down = 2,
368 fm10k_int_switch_event = 3,
371 fm10k_int_max_hold_time = 6,
372 fm10k_int_sources_max_pf
375 /* PCIe bus speeds */
376 enum fm10k_bus_speed {
377 fm10k_bus_speed_unknown = 0,
378 fm10k_bus_speed_2500 = 2500,
379 fm10k_bus_speed_5000 = 5000,
380 fm10k_bus_speed_8000 = 8000,
381 fm10k_bus_speed_reserved
384 /* PCIe bus widths */
385 enum fm10k_bus_width {
386 fm10k_bus_width_unknown = 0,
387 fm10k_bus_width_pcie_x1 = 1,
388 fm10k_bus_width_pcie_x2 = 2,
389 fm10k_bus_width_pcie_x4 = 4,
390 fm10k_bus_width_pcie_x8 = 8,
391 fm10k_bus_width_reserved
394 /* PCIe payload sizes */
395 enum fm10k_bus_payload {
396 fm10k_bus_payload_unknown = 0,
397 fm10k_bus_payload_128 = 1,
398 fm10k_bus_payload_256 = 2,
399 fm10k_bus_payload_512 = 3,
400 fm10k_bus_payload_reserved
404 struct fm10k_bus_info {
405 enum fm10k_bus_speed speed;
406 enum fm10k_bus_width width;
407 enum fm10k_bus_payload payload;
410 /* Statistics related declarations */
411 struct fm10k_hw_stat {
417 struct fm10k_hw_stats_q {
418 struct fm10k_hw_stat tx_bytes;
419 struct fm10k_hw_stat tx_packets;
420 #define tx_stats_idx tx_packets.base_h
421 struct fm10k_hw_stat rx_bytes;
422 struct fm10k_hw_stat rx_packets;
423 #define rx_stats_idx rx_packets.base_h
424 struct fm10k_hw_stat rx_drops;
427 struct fm10k_hw_stats {
428 struct fm10k_hw_stat timeout;
429 #define stats_idx timeout.base_h
430 struct fm10k_hw_stat ur;
431 struct fm10k_hw_stat ca;
432 struct fm10k_hw_stat um;
433 struct fm10k_hw_stat xec;
434 struct fm10k_hw_stat vlan_drop;
435 struct fm10k_hw_stat loopback_drop;
436 struct fm10k_hw_stat nodesc_drop;
437 struct fm10k_hw_stats_q q[FM10K_MAX_QUEUES_PF];
440 /* Establish DGLORT feature priority */
441 enum fm10k_dglortdec_idx {
442 fm10k_dglort_default = 0,
443 fm10k_dglort_vf_rsvd0 = 1,
444 fm10k_dglort_vf_rss = 2,
445 fm10k_dglort_pf_rsvd0 = 3,
446 fm10k_dglort_pf_queue = 4,
447 fm10k_dglort_pf_vsi = 5,
448 fm10k_dglort_pf_rsvd1 = 6,
449 fm10k_dglort_pf_rss = 7
452 struct fm10k_dglort_cfg {
453 u16 glort; /* GLORT base */
454 u16 queue_b; /* Base value for queue */
455 u8 vsi_b; /* Base value for VSI */
456 u8 idx; /* index of DGLORTDEC entry */
457 u8 rss_l; /* RSS indices */
458 u8 pc_l; /* Priority Class indices */
459 u8 vsi_l; /* Number of bits from GLORT used to determine VSI */
460 u8 queue_l; /* Number of bits from GLORT used to determine queue */
461 u8 shared_l; /* Ignored bits from GLORT resulting in shared VSI */
462 u8 inner_rss; /* Boolean value if inner header is used for RSS */
465 enum fm10k_pca_fault {
476 enum fm10k_thi_fault {
482 enum fm10k_fum_fault {
499 u64 address; /* Address at the time fault was detected */
500 u32 specinfo; /* Extra info on this fault (fault dependent) */
501 u8 type; /* Fault value dependent on subunit */
502 u8 func; /* Function number of the fault */
505 struct fm10k_mac_ops {
506 /* basic bring-up and tear-down */
507 s32 (*reset_hw)(struct fm10k_hw *);
508 s32 (*init_hw)(struct fm10k_hw *);
509 s32 (*start_hw)(struct fm10k_hw *);
510 s32 (*stop_hw)(struct fm10k_hw *);
511 s32 (*get_bus_info)(struct fm10k_hw *);
512 s32 (*get_host_state)(struct fm10k_hw *, bool *);
513 s32 (*request_lport_map)(struct fm10k_hw *);
514 s32 (*update_vlan)(struct fm10k_hw *, u32, u8, bool);
515 s32 (*read_mac_addr)(struct fm10k_hw *);
516 s32 (*update_uc_addr)(struct fm10k_hw *, u16, const u8 *,
518 s32 (*update_mc_addr)(struct fm10k_hw *, u16, const u8 *, u16, bool);
519 s32 (*update_xcast_mode)(struct fm10k_hw *, u16, u8);
520 void (*update_int_moderator)(struct fm10k_hw *);
521 s32 (*update_lport_state)(struct fm10k_hw *, u16, u16, bool);
522 void (*update_hw_stats)(struct fm10k_hw *, struct fm10k_hw_stats *);
523 void (*rebind_hw_stats)(struct fm10k_hw *, struct fm10k_hw_stats *);
524 s32 (*configure_dglort_map)(struct fm10k_hw *,
525 struct fm10k_dglort_cfg *);
526 void (*set_dma_mask)(struct fm10k_hw *, u64);
527 s32 (*get_fault)(struct fm10k_hw *, int, struct fm10k_fault *);
530 enum fm10k_mac_type {
531 fm10k_mac_unknown = 0,
537 struct fm10k_mac_info {
538 struct fm10k_mac_ops ops;
539 enum fm10k_mac_type type;
541 u8 perm_addr[ETH_ALEN];
543 u16 max_msix_vectors;
550 u64 reset_while_pending;
553 struct fm10k_swapi_table_info {
558 struct fm10k_swapi_info {
560 struct fm10k_swapi_table_info mac;
561 struct fm10k_swapi_table_info nexthop;
562 struct fm10k_swapi_table_info ffu;
565 enum fm10k_xcast_modes {
566 FM10K_XCAST_MODE_ALLMULTI = 0,
567 FM10K_XCAST_MODE_MULTI = 1,
568 FM10K_XCAST_MODE_PROMISC = 2,
569 FM10K_XCAST_MODE_NONE = 3,
570 FM10K_XCAST_MODE_DISABLE = 4
573 #define FM10K_VF_TC_MAX 100000 /* 100,000 Mb/s aka 100Gb/s */
574 #define FM10K_VF_TC_MIN 1 /* 1 Mb/s is the slowest rate */
576 struct fm10k_vf_info {
577 /* mbx must be first field in struct unless all default IOV message
578 * handlers are redone as the assumption is that vf_info starts
579 * at the same offset as the mailbox
581 struct fm10k_mbx_info mbx; /* PF side of VF mailbox */
582 int rate; /* Tx BW cap as defined by OS */
583 u16 glort; /* resource tag for this VF */
584 u16 sw_vid; /* Switch API assigned VLAN */
585 u16 pf_vid; /* PF assigned Default VLAN */
586 u8 mac[ETH_ALEN]; /* PF Default MAC address */
587 u8 vsi; /* VSI identifier */
588 u8 vf_idx; /* which VF this is */
589 u8 vf_flags; /* flags indicating what modes
590 * are supported for the port
594 #define FM10K_VF_FLAG_ALLMULTI_CAPABLE (u8)(BIT(FM10K_XCAST_MODE_ALLMULTI))
595 #define FM10K_VF_FLAG_MULTI_CAPABLE (u8)(BIT(FM10K_XCAST_MODE_MULTI))
596 #define FM10K_VF_FLAG_PROMISC_CAPABLE (u8)(BIT(FM10K_XCAST_MODE_PROMISC))
597 #define FM10K_VF_FLAG_NONE_CAPABLE (u8)(BIT(FM10K_XCAST_MODE_NONE))
598 #define FM10K_VF_FLAG_CAPABLE(vf_info) ((vf_info)->vf_flags & (u8)0xF)
599 #define FM10K_VF_FLAG_ENABLED(vf_info) ((vf_info)->vf_flags >> 4)
600 #define FM10K_VF_FLAG_SET_MODE(mode) ((u8)0x10 << (mode))
601 #define FM10K_VF_FLAG_SET_MODE_NONE \
602 FM10K_VF_FLAG_SET_MODE(FM10K_XCAST_MODE_NONE)
603 #define FM10K_VF_FLAG_MULTI_ENABLED \
604 (FM10K_VF_FLAG_SET_MODE(FM10K_XCAST_MODE_ALLMULTI) | \
605 FM10K_VF_FLAG_SET_MODE(FM10K_XCAST_MODE_MULTI) | \
606 FM10K_VF_FLAG_SET_MODE(FM10K_XCAST_MODE_PROMISC))
608 struct fm10k_iov_ops {
609 /* IOV related bring-up and tear-down */
610 s32 (*assign_resources)(struct fm10k_hw *, u16, u16);
611 s32 (*configure_tc)(struct fm10k_hw *, u16, int);
612 s32 (*assign_int_moderator)(struct fm10k_hw *, u16);
613 s32 (*assign_default_mac_vlan)(struct fm10k_hw *,
614 struct fm10k_vf_info *);
615 s32 (*reset_resources)(struct fm10k_hw *,
616 struct fm10k_vf_info *);
617 s32 (*set_lport)(struct fm10k_hw *, struct fm10k_vf_info *, u16, u8);
618 void (*reset_lport)(struct fm10k_hw *, struct fm10k_vf_info *);
619 void (*update_stats)(struct fm10k_hw *, struct fm10k_hw_stats_q *, u16);
622 struct fm10k_iov_info {
623 struct fm10k_iov_ops ops;
635 enum fm10k_mac_type mac;
636 s32 (*get_invariants)(struct fm10k_hw *);
637 const struct fm10k_mac_ops *mac_ops;
638 const struct fm10k_iov_ops *iov_ops;
642 u32 __iomem *hw_addr;
644 struct fm10k_mac_info mac;
645 struct fm10k_bus_info bus;
646 struct fm10k_bus_info bus_caps;
647 struct fm10k_iov_info iov;
648 struct fm10k_mbx_info mbx;
649 struct fm10k_swapi_info swapi;
652 u16 subsystem_device_id;
653 u16 subsystem_vendor_id;
657 /* Number of Transmit and Receive Descriptors must be a multiple of 8 */
658 #define FM10K_REQ_TX_DESCRIPTOR_MULTIPLE 8
659 #define FM10K_REQ_RX_DESCRIPTOR_MULTIPLE 8
661 /* Transmit Descriptor */
662 struct fm10k_tx_desc {
663 __le64 buffer_addr; /* Address of the descriptor's data buffer */
664 __le16 buflen; /* Length of data to be DMAed */
665 __le16 vlan; /* VLAN_ID and VPRI to be inserted in FTAG */
666 __le16 mss; /* MSS for segmentation offload */
667 u8 hdrlen; /* Header size for segmentation offload */
668 u8 flags; /* Status and offload request flags */
671 /* Transmit Descriptor Cache Structure */
672 struct fm10k_tx_desc_cache {
673 struct fm10k_tx_desc tx_desc[256];
676 #define FM10K_TXD_FLAG_INT 0x01
677 #define FM10K_TXD_FLAG_TIME 0x02
678 #define FM10K_TXD_FLAG_CSUM 0x04
679 #define FM10K_TXD_FLAG_FTAG 0x10
680 #define FM10K_TXD_FLAG_RS 0x20
681 #define FM10K_TXD_FLAG_LAST 0x40
682 #define FM10K_TXD_FLAG_DONE 0x80
684 /* These macros are meant to enable optimal placement of the RS and INT
685 * bits. It will point us to the last descriptor in the cache for either the
686 * start of the packet, or the end of the packet. If the index is actually
687 * at the start of the FIFO it will point to the offset for the last index
688 * in the FIFO to prevent an unnecessary write.
690 #define FM10K_TXD_WB_FIFO_SIZE 4
692 /* Receive Descriptor - 32B */
693 union fm10k_rx_desc {
695 __le64 pkt_addr; /* Packet buffer address */
696 __le64 hdr_addr; /* Header buffer address */
697 __le64 reserved; /* Empty space, RSS hash */
699 } q; /* Read, Writeback, 64b quad-words */
701 __le32 data; /* RSS and header data */
702 __le32 rss; /* RSS Hash */
705 __le32 glort; /* sglort/dglort */
706 } d; /* Writeback, 32b double-words */
708 __le16 pkt_info; /* RSS, Pkt type */
709 __le16 hdr_info; /* Splithdr, hdrlen, xC */
712 __le16 status; /* status/error */
713 __le16 csum_err; /* checksum or extended error value */
714 __le16 length; /* Packet length */
715 __le16 vlan; /* VLAN tag */
718 } w; /* Writeback, 16b words */
721 #define FM10K_RXD_RSSTYPE_MASK 0x000F
722 enum fm10k_rdesc_rss_type {
723 FM10K_RSSTYPE_NONE = 0x0,
724 FM10K_RSSTYPE_IPV4_TCP = 0x1,
725 FM10K_RSSTYPE_IPV4 = 0x2,
726 FM10K_RSSTYPE_IPV6_TCP = 0x3,
728 FM10K_RSSTYPE_IPV6 = 0x5,
730 FM10K_RSSTYPE_IPV4_UDP = 0x7,
731 FM10K_RSSTYPE_IPV6_UDP = 0x8
732 /* Reserved 0x9 - 0xF */
735 #define FM10K_RXD_HDR_INFO_XC_MASK 0x0006
736 enum fm10k_rxdesc_xc {
737 FM10K_XC_UNICAST = 0x0,
738 FM10K_XC_MULTICAST = 0x4,
739 FM10K_XC_BROADCAST = 0x6
742 #define FM10K_RXD_STATUS_DD 0x0001 /* Descriptor done */
743 #define FM10K_RXD_STATUS_EOP 0x0002 /* End of packet */
744 #define FM10K_RXD_STATUS_L4CS 0x0010 /* Indicates an L4 csum */
745 #define FM10K_RXD_STATUS_L4CS2 0x0040 /* Inner header L4 csum */
746 #define FM10K_RXD_STATUS_L4E2 0x0800 /* Inner header L4 csum err */
747 #define FM10K_RXD_STATUS_IPE2 0x1000 /* Inner header IPv4 csum err */
748 #define FM10K_RXD_STATUS_RXE 0x2000 /* Generic Rx error */
749 #define FM10K_RXD_STATUS_L4E 0x4000 /* L4 csum error */
750 #define FM10K_RXD_STATUS_IPE 0x8000 /* IPv4 csum error */
752 #define FM10K_RXD_ERR_SWITCH_ERROR 0x0001 /* Switch found bad packet */
753 #define FM10K_RXD_ERR_NO_DESCRIPTOR 0x0002 /* No descriptor available */
754 #define FM10K_RXD_ERR_PP_ERROR 0x0004 /* RAM error during processing */
755 #define FM10K_RXD_ERR_SWITCH_READY 0x0008 /* Link transition mid-packet */
756 #define FM10K_RXD_ERR_TOO_BIG 0x0010 /* Pkt too big for single buf */
759 __be16 swpri_type_user;
765 #endif /* _FM10K_TYPE_H */