Loading...
Note: File does not exist in v3.5.6.
1// SPDX-License-Identifier: GPL-2.0-only
2/****************************************************************************
3 * Driver for Solarflare network controllers and boards
4 * Copyright 2005-2006 Fen Systems Ltd.
5 * Copyright 2006-2013 Solarflare Communications Inc.
6 */
7
8#include <linux/bitops.h>
9#include <linux/delay.h>
10#include <linux/pci.h>
11#include <linux/module.h>
12#include <linux/slab.h>
13#include <linux/random.h>
14#include "net_driver.h"
15#include "bitfield.h"
16#include "efx.h"
17#include "efx_common.h"
18#include "nic.h"
19#include "farch_regs.h"
20#include "io.h"
21#include "workarounds.h"
22#include "mcdi.h"
23#include "mcdi_pcol.h"
24#include "mcdi_port.h"
25#include "mcdi_port_common.h"
26#include "selftest.h"
27#include "siena_sriov.h"
28#include "rx_common.h"
29
30/* Hardware control for SFC9000 family including SFL9021 (aka Siena). */
31
32static void siena_init_wol(struct efx_nic *efx);
33
34
35static void siena_push_irq_moderation(struct efx_channel *channel)
36{
37 struct efx_nic *efx = channel->efx;
38 efx_dword_t timer_cmd;
39
40 if (channel->irq_moderation_us) {
41 unsigned int ticks;
42
43 ticks = efx_siena_usecs_to_ticks(efx, channel->irq_moderation_us);
44 EFX_POPULATE_DWORD_2(timer_cmd,
45 FRF_CZ_TC_TIMER_MODE,
46 FFE_CZ_TIMER_MODE_INT_HLDOFF,
47 FRF_CZ_TC_TIMER_VAL,
48 ticks - 1);
49 } else {
50 EFX_POPULATE_DWORD_2(timer_cmd,
51 FRF_CZ_TC_TIMER_MODE,
52 FFE_CZ_TIMER_MODE_DIS,
53 FRF_CZ_TC_TIMER_VAL, 0);
54 }
55 efx_writed_page_locked(channel->efx, &timer_cmd, FR_BZ_TIMER_COMMAND_P0,
56 channel->channel);
57}
58
59void efx_siena_prepare_flush(struct efx_nic *efx)
60{
61 if (efx->fc_disable++ == 0)
62 efx_siena_mcdi_set_mac(efx);
63}
64
65void siena_finish_flush(struct efx_nic *efx)
66{
67 if (--efx->fc_disable == 0)
68 efx_siena_mcdi_set_mac(efx);
69}
70
71static const struct efx_farch_register_test siena_register_tests[] = {
72 { FR_AZ_ADR_REGION,
73 EFX_OWORD32(0x0003FFFF, 0x0003FFFF, 0x0003FFFF, 0x0003FFFF) },
74 { FR_CZ_USR_EV_CFG,
75 EFX_OWORD32(0x000103FF, 0x00000000, 0x00000000, 0x00000000) },
76 { FR_AZ_RX_CFG,
77 EFX_OWORD32(0xFFFFFFFE, 0xFFFFFFFF, 0x0003FFFF, 0x00000000) },
78 { FR_AZ_TX_CFG,
79 EFX_OWORD32(0x7FFF0037, 0xFFFF8000, 0xFFFFFFFF, 0x03FFFFFF) },
80 { FR_AZ_TX_RESERVED,
81 EFX_OWORD32(0xFFFEFE80, 0x1FFFFFFF, 0x020000FE, 0x007FFFFF) },
82 { FR_AZ_SRM_TX_DC_CFG,
83 EFX_OWORD32(0x001FFFFF, 0x00000000, 0x00000000, 0x00000000) },
84 { FR_AZ_RX_DC_CFG,
85 EFX_OWORD32(0x00000003, 0x00000000, 0x00000000, 0x00000000) },
86 { FR_AZ_RX_DC_PF_WM,
87 EFX_OWORD32(0x000003FF, 0x00000000, 0x00000000, 0x00000000) },
88 { FR_BZ_DP_CTRL,
89 EFX_OWORD32(0x00000FFF, 0x00000000, 0x00000000, 0x00000000) },
90 { FR_BZ_RX_RSS_TKEY,
91 EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
92 { FR_CZ_RX_RSS_IPV6_REG1,
93 EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
94 { FR_CZ_RX_RSS_IPV6_REG2,
95 EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
96 { FR_CZ_RX_RSS_IPV6_REG3,
97 EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0x00000007, 0x00000000) },
98};
99
100static int siena_test_chip(struct efx_nic *efx, struct efx_self_tests *tests)
101{
102 enum reset_type reset_method = RESET_TYPE_ALL;
103 int rc, rc2;
104
105 efx_siena_reset_down(efx, reset_method);
106
107 /* Reset the chip immediately so that it is completely
108 * quiescent regardless of what any VF driver does.
109 */
110 rc = efx_siena_mcdi_reset(efx, reset_method);
111 if (rc)
112 goto out;
113
114 tests->registers =
115 efx_farch_test_registers(efx, siena_register_tests,
116 ARRAY_SIZE(siena_register_tests))
117 ? -1 : 1;
118
119 rc = efx_siena_mcdi_reset(efx, reset_method);
120out:
121 rc2 = efx_siena_reset_up(efx, reset_method, rc == 0);
122 return rc ? rc : rc2;
123}
124
125/**************************************************************************
126 *
127 * PTP
128 *
129 **************************************************************************
130 */
131
132static void siena_ptp_write_host_time(struct efx_nic *efx, u32 host_time)
133{
134 _efx_writed(efx, cpu_to_le32(host_time),
135 FR_CZ_MC_TREG_SMEM + MC_SMEM_P0_PTP_TIME_OFST);
136}
137
138static int siena_ptp_set_ts_config(struct efx_nic *efx,
139 struct kernel_hwtstamp_config *init)
140{
141 int rc;
142
143 switch (init->rx_filter) {
144 case HWTSTAMP_FILTER_NONE:
145 /* if TX timestamping is still requested then leave PTP on */
146 return efx_siena_ptp_change_mode(efx,
147 init->tx_type != HWTSTAMP_TX_OFF,
148 efx_siena_ptp_get_mode(efx));
149 case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
150 case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
151 case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
152 init->rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_EVENT;
153 return efx_siena_ptp_change_mode(efx, true, MC_CMD_PTP_MODE_V1);
154 case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
155 case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
156 case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
157 init->rx_filter = HWTSTAMP_FILTER_PTP_V2_L4_EVENT;
158 rc = efx_siena_ptp_change_mode(efx, true,
159 MC_CMD_PTP_MODE_V2_ENHANCED);
160 /* bug 33070 - old versions of the firmware do not support the
161 * improved UUID filtering option. Similarly old versions of the
162 * application do not expect it to be enabled. If the firmware
163 * does not accept the enhanced mode, fall back to the standard
164 * PTP v2 UUID filtering. */
165 if (rc != 0)
166 rc = efx_siena_ptp_change_mode(efx, true,
167 MC_CMD_PTP_MODE_V2);
168 return rc;
169 default:
170 return -ERANGE;
171 }
172}
173
174/**************************************************************************
175 *
176 * Device reset
177 *
178 **************************************************************************
179 */
180
181static int siena_map_reset_flags(u32 *flags)
182{
183 enum {
184 SIENA_RESET_PORT = (ETH_RESET_DMA | ETH_RESET_FILTER |
185 ETH_RESET_OFFLOAD | ETH_RESET_MAC |
186 ETH_RESET_PHY),
187 SIENA_RESET_MC = (SIENA_RESET_PORT |
188 ETH_RESET_MGMT << ETH_RESET_SHARED_SHIFT),
189 };
190
191 if ((*flags & SIENA_RESET_MC) == SIENA_RESET_MC) {
192 *flags &= ~SIENA_RESET_MC;
193 return RESET_TYPE_WORLD;
194 }
195
196 if ((*flags & SIENA_RESET_PORT) == SIENA_RESET_PORT) {
197 *flags &= ~SIENA_RESET_PORT;
198 return RESET_TYPE_ALL;
199 }
200
201 /* no invisible reset implemented */
202
203 return -EINVAL;
204}
205
206#ifdef CONFIG_EEH
207/* When a PCI device is isolated from the bus, a subsequent MMIO read is
208 * required for the kernel EEH mechanisms to notice. As the Solarflare driver
209 * was written to minimise MMIO read (for latency) then a periodic call to check
210 * the EEH status of the device is required so that device recovery can happen
211 * in a timely fashion.
212 */
213static void siena_monitor(struct efx_nic *efx)
214{
215 struct eeh_dev *eehdev = pci_dev_to_eeh_dev(efx->pci_dev);
216
217 eeh_dev_check_failure(eehdev);
218}
219#endif
220
221static int siena_probe_nvconfig(struct efx_nic *efx)
222{
223 u32 caps = 0;
224 int rc;
225
226 rc = efx_siena_mcdi_get_board_cfg(efx, efx->net_dev->perm_addr, NULL,
227 &caps);
228
229 efx->timer_quantum_ns =
230 (caps & (1 << MC_CMD_CAPABILITIES_TURBO_ACTIVE_LBN)) ?
231 3072 : 6144; /* 768 cycles */
232 efx->timer_max_ns = efx->type->timer_period_max *
233 efx->timer_quantum_ns;
234
235 return rc;
236}
237
238static int siena_dimension_resources(struct efx_nic *efx)
239{
240 /* Each port has a small block of internal SRAM dedicated to
241 * the buffer table and descriptor caches. In theory we can
242 * map both blocks to one port, but we don't.
243 */
244 efx_farch_dimension_resources(efx, FR_CZ_BUF_FULL_TBL_ROWS / 2);
245 return 0;
246}
247
248/* On all Falcon-architecture NICs, PFs use BAR 0 for I/O space and BAR 2(&3)
249 * for memory.
250 */
251static unsigned int siena_mem_bar(struct efx_nic *efx)
252{
253 return 2;
254}
255
256static unsigned int siena_mem_map_size(struct efx_nic *efx)
257{
258 return FR_CZ_MC_TREG_SMEM +
259 FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS;
260}
261
262static int siena_probe_nic(struct efx_nic *efx)
263{
264 struct siena_nic_data *nic_data;
265 efx_oword_t reg;
266 int rc;
267
268 /* Allocate storage for hardware specific data */
269 nic_data = kzalloc(sizeof(struct siena_nic_data), GFP_KERNEL);
270 if (!nic_data)
271 return -ENOMEM;
272 nic_data->efx = efx;
273 efx->nic_data = nic_data;
274
275 if (efx_farch_fpga_ver(efx) != 0) {
276 netif_err(efx, probe, efx->net_dev,
277 "Siena FPGA not supported\n");
278 rc = -ENODEV;
279 goto fail1;
280 }
281
282 efx->max_channels = EFX_MAX_CHANNELS;
283 efx->max_vis = EFX_MAX_CHANNELS;
284 efx->max_tx_channels = EFX_MAX_CHANNELS;
285 efx->tx_queues_per_channel = 4;
286
287 efx_reado(efx, ®, FR_AZ_CS_DEBUG);
288 efx->port_num = EFX_OWORD_FIELD(reg, FRF_CZ_CS_PORT_NUM) - 1;
289
290 rc = efx_siena_mcdi_init(efx);
291 if (rc)
292 goto fail1;
293
294 /* Now we can reset the NIC */
295 rc = efx_siena_mcdi_reset(efx, RESET_TYPE_ALL);
296 if (rc) {
297 netif_err(efx, probe, efx->net_dev, "failed to reset NIC\n");
298 goto fail3;
299 }
300
301 siena_init_wol(efx);
302
303 /* Allocate memory for INT_KER */
304 rc = efx_siena_alloc_buffer(efx, &efx->irq_status, sizeof(efx_oword_t),
305 GFP_KERNEL);
306 if (rc)
307 goto fail4;
308 BUG_ON(efx->irq_status.dma_addr & 0x0f);
309
310 netif_dbg(efx, probe, efx->net_dev,
311 "INT_KER at %llx (virt %p phys %llx)\n",
312 (unsigned long long)efx->irq_status.dma_addr,
313 efx->irq_status.addr,
314 (unsigned long long)virt_to_phys(efx->irq_status.addr));
315
316 /* Read in the non-volatile configuration */
317 rc = siena_probe_nvconfig(efx);
318 if (rc == -EINVAL) {
319 netif_err(efx, probe, efx->net_dev,
320 "NVRAM is invalid therefore using defaults\n");
321 efx->phy_type = PHY_TYPE_NONE;
322 efx->mdio.prtad = MDIO_PRTAD_NONE;
323 } else if (rc) {
324 goto fail5;
325 }
326
327 rc = efx_siena_mcdi_mon_probe(efx);
328 if (rc)
329 goto fail5;
330
331#ifdef CONFIG_SFC_SIENA_SRIOV
332 efx_siena_sriov_probe(efx);
333#endif
334 efx_siena_ptp_defer_probe_with_channel(efx);
335
336 return 0;
337
338fail5:
339 efx_siena_free_buffer(efx, &efx->irq_status);
340fail4:
341fail3:
342 efx_siena_mcdi_detach(efx);
343 efx_siena_mcdi_fini(efx);
344fail1:
345 kfree(efx->nic_data);
346 return rc;
347}
348
349static int siena_rx_pull_rss_config(struct efx_nic *efx)
350{
351 efx_oword_t temp;
352
353 /* Read from IPv6 RSS key as that's longer (the IPv4 key is just the
354 * first 128 bits of the same key, assuming it's been set by
355 * siena_rx_push_rss_config, below)
356 */
357 efx_reado(efx, &temp, FR_CZ_RX_RSS_IPV6_REG1);
358 memcpy(efx->rss_context.rx_hash_key, &temp, sizeof(temp));
359 efx_reado(efx, &temp, FR_CZ_RX_RSS_IPV6_REG2);
360 memcpy(efx->rss_context.rx_hash_key + sizeof(temp), &temp, sizeof(temp));
361 efx_reado(efx, &temp, FR_CZ_RX_RSS_IPV6_REG3);
362 memcpy(efx->rss_context.rx_hash_key + 2 * sizeof(temp), &temp,
363 FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8);
364 efx_farch_rx_pull_indir_table(efx);
365 return 0;
366}
367
368static int siena_rx_push_rss_config(struct efx_nic *efx, bool user,
369 const u32 *rx_indir_table, const u8 *key)
370{
371 efx_oword_t temp;
372
373 /* Set hash key for IPv4 */
374 if (key)
375 memcpy(efx->rss_context.rx_hash_key, key, sizeof(temp));
376 memcpy(&temp, efx->rss_context.rx_hash_key, sizeof(temp));
377 efx_writeo(efx, &temp, FR_BZ_RX_RSS_TKEY);
378
379 /* Enable IPv6 RSS */
380 BUILD_BUG_ON(sizeof(efx->rss_context.rx_hash_key) <
381 2 * sizeof(temp) + FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8 ||
382 FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN != 0);
383 memcpy(&temp, efx->rss_context.rx_hash_key, sizeof(temp));
384 efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG1);
385 memcpy(&temp, efx->rss_context.rx_hash_key + sizeof(temp), sizeof(temp));
386 efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG2);
387 EFX_POPULATE_OWORD_2(temp, FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 1,
388 FRF_CZ_RX_RSS_IPV6_IP_THASH_ENABLE, 1);
389 memcpy(&temp, efx->rss_context.rx_hash_key + 2 * sizeof(temp),
390 FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8);
391 efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG3);
392
393 memcpy(efx->rss_context.rx_indir_table, rx_indir_table,
394 sizeof(efx->rss_context.rx_indir_table));
395 efx_farch_rx_push_indir_table(efx);
396
397 return 0;
398}
399
400/* This call performs hardware-specific global initialisation, such as
401 * defining the descriptor cache sizes and number of RSS channels.
402 * It does not set up any buffers, descriptor rings or event queues.
403 */
404static int siena_init_nic(struct efx_nic *efx)
405{
406 efx_oword_t temp;
407 int rc;
408
409 /* Recover from a failed assertion post-reset */
410 rc = efx_siena_mcdi_handle_assertion(efx);
411 if (rc)
412 return rc;
413
414 /* Squash TX of packets of 16 bytes or less */
415 efx_reado(efx, &temp, FR_AZ_TX_RESERVED);
416 EFX_SET_OWORD_FIELD(temp, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1);
417 efx_writeo(efx, &temp, FR_AZ_TX_RESERVED);
418
419 /* Do not enable TX_NO_EOP_DISC_EN, since it limits packets to 16
420 * descriptors (which is bad).
421 */
422 efx_reado(efx, &temp, FR_AZ_TX_CFG);
423 EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_NO_EOP_DISC_EN, 0);
424 EFX_SET_OWORD_FIELD(temp, FRF_CZ_TX_FILTER_EN_BIT, 1);
425 efx_writeo(efx, &temp, FR_AZ_TX_CFG);
426
427 efx_reado(efx, &temp, FR_AZ_RX_CFG);
428 EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_DESC_PUSH_EN, 0);
429 EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_INGR_EN, 1);
430 /* Enable hash insertion. This is broken for the 'Falcon' hash
431 * if IPv6 hashing is also enabled, so also select Toeplitz
432 * TCP/IPv4 and IPv4 hashes. */
433 EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_HASH_INSRT_HDR, 1);
434 EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_HASH_ALG, 1);
435 EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_IP_HASH, 1);
436 EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_USR_BUF_SIZE,
437 EFX_RX_USR_BUF_SIZE >> 5);
438 efx_writeo(efx, &temp, FR_AZ_RX_CFG);
439
440 siena_rx_push_rss_config(efx, false, efx->rss_context.rx_indir_table, NULL);
441 efx->rss_context.context_id = 0; /* indicates RSS is active */
442
443 /* Enable event logging */
444 rc = efx_siena_mcdi_log_ctrl(efx, true, false, 0);
445 if (rc)
446 return rc;
447
448 /* Set destination of both TX and RX Flush events */
449 EFX_POPULATE_OWORD_1(temp, FRF_BZ_FLS_EVQ_ID, 0);
450 efx_writeo(efx, &temp, FR_BZ_DP_CTRL);
451
452 EFX_POPULATE_OWORD_1(temp, FRF_CZ_USREV_DIS, 1);
453 efx_writeo(efx, &temp, FR_CZ_USR_EV_CFG);
454
455 efx_farch_init_common(efx);
456 return 0;
457}
458
459static void siena_remove_nic(struct efx_nic *efx)
460{
461 efx_siena_mcdi_mon_remove(efx);
462
463 efx_siena_free_buffer(efx, &efx->irq_status);
464
465 efx_siena_mcdi_reset(efx, RESET_TYPE_ALL);
466
467 efx_siena_mcdi_detach(efx);
468 efx_siena_mcdi_fini(efx);
469
470 /* Tear down the private nic state */
471 kfree(efx->nic_data);
472 efx->nic_data = NULL;
473}
474
475#define SIENA_DMA_STAT(ext_name, mcdi_name) \
476 [SIENA_STAT_ ## ext_name] = \
477 { #ext_name, 64, 8 * MC_CMD_MAC_ ## mcdi_name }
478#define SIENA_OTHER_STAT(ext_name) \
479 [SIENA_STAT_ ## ext_name] = { #ext_name, 0, 0 }
480#define GENERIC_SW_STAT(ext_name) \
481 [GENERIC_STAT_ ## ext_name] = { #ext_name, 0, 0 }
482
483static const struct efx_hw_stat_desc siena_stat_desc[SIENA_STAT_COUNT] = {
484 SIENA_DMA_STAT(tx_bytes, TX_BYTES),
485 SIENA_OTHER_STAT(tx_good_bytes),
486 SIENA_DMA_STAT(tx_bad_bytes, TX_BAD_BYTES),
487 SIENA_DMA_STAT(tx_packets, TX_PKTS),
488 SIENA_DMA_STAT(tx_bad, TX_BAD_FCS_PKTS),
489 SIENA_DMA_STAT(tx_pause, TX_PAUSE_PKTS),
490 SIENA_DMA_STAT(tx_control, TX_CONTROL_PKTS),
491 SIENA_DMA_STAT(tx_unicast, TX_UNICAST_PKTS),
492 SIENA_DMA_STAT(tx_multicast, TX_MULTICAST_PKTS),
493 SIENA_DMA_STAT(tx_broadcast, TX_BROADCAST_PKTS),
494 SIENA_DMA_STAT(tx_lt64, TX_LT64_PKTS),
495 SIENA_DMA_STAT(tx_64, TX_64_PKTS),
496 SIENA_DMA_STAT(tx_65_to_127, TX_65_TO_127_PKTS),
497 SIENA_DMA_STAT(tx_128_to_255, TX_128_TO_255_PKTS),
498 SIENA_DMA_STAT(tx_256_to_511, TX_256_TO_511_PKTS),
499 SIENA_DMA_STAT(tx_512_to_1023, TX_512_TO_1023_PKTS),
500 SIENA_DMA_STAT(tx_1024_to_15xx, TX_1024_TO_15XX_PKTS),
501 SIENA_DMA_STAT(tx_15xx_to_jumbo, TX_15XX_TO_JUMBO_PKTS),
502 SIENA_DMA_STAT(tx_gtjumbo, TX_GTJUMBO_PKTS),
503 SIENA_OTHER_STAT(tx_collision),
504 SIENA_DMA_STAT(tx_single_collision, TX_SINGLE_COLLISION_PKTS),
505 SIENA_DMA_STAT(tx_multiple_collision, TX_MULTIPLE_COLLISION_PKTS),
506 SIENA_DMA_STAT(tx_excessive_collision, TX_EXCESSIVE_COLLISION_PKTS),
507 SIENA_DMA_STAT(tx_deferred, TX_DEFERRED_PKTS),
508 SIENA_DMA_STAT(tx_late_collision, TX_LATE_COLLISION_PKTS),
509 SIENA_DMA_STAT(tx_excessive_deferred, TX_EXCESSIVE_DEFERRED_PKTS),
510 SIENA_DMA_STAT(tx_non_tcpudp, TX_NON_TCPUDP_PKTS),
511 SIENA_DMA_STAT(tx_mac_src_error, TX_MAC_SRC_ERR_PKTS),
512 SIENA_DMA_STAT(tx_ip_src_error, TX_IP_SRC_ERR_PKTS),
513 SIENA_DMA_STAT(rx_bytes, RX_BYTES),
514 SIENA_OTHER_STAT(rx_good_bytes),
515 SIENA_DMA_STAT(rx_bad_bytes, RX_BAD_BYTES),
516 SIENA_DMA_STAT(rx_packets, RX_PKTS),
517 SIENA_DMA_STAT(rx_good, RX_GOOD_PKTS),
518 SIENA_DMA_STAT(rx_bad, RX_BAD_FCS_PKTS),
519 SIENA_DMA_STAT(rx_pause, RX_PAUSE_PKTS),
520 SIENA_DMA_STAT(rx_control, RX_CONTROL_PKTS),
521 SIENA_DMA_STAT(rx_unicast, RX_UNICAST_PKTS),
522 SIENA_DMA_STAT(rx_multicast, RX_MULTICAST_PKTS),
523 SIENA_DMA_STAT(rx_broadcast, RX_BROADCAST_PKTS),
524 SIENA_DMA_STAT(rx_lt64, RX_UNDERSIZE_PKTS),
525 SIENA_DMA_STAT(rx_64, RX_64_PKTS),
526 SIENA_DMA_STAT(rx_65_to_127, RX_65_TO_127_PKTS),
527 SIENA_DMA_STAT(rx_128_to_255, RX_128_TO_255_PKTS),
528 SIENA_DMA_STAT(rx_256_to_511, RX_256_TO_511_PKTS),
529 SIENA_DMA_STAT(rx_512_to_1023, RX_512_TO_1023_PKTS),
530 SIENA_DMA_STAT(rx_1024_to_15xx, RX_1024_TO_15XX_PKTS),
531 SIENA_DMA_STAT(rx_15xx_to_jumbo, RX_15XX_TO_JUMBO_PKTS),
532 SIENA_DMA_STAT(rx_gtjumbo, RX_GTJUMBO_PKTS),
533 SIENA_DMA_STAT(rx_bad_gtjumbo, RX_JABBER_PKTS),
534 SIENA_DMA_STAT(rx_overflow, RX_OVERFLOW_PKTS),
535 SIENA_DMA_STAT(rx_false_carrier, RX_FALSE_CARRIER_PKTS),
536 SIENA_DMA_STAT(rx_symbol_error, RX_SYMBOL_ERROR_PKTS),
537 SIENA_DMA_STAT(rx_align_error, RX_ALIGN_ERROR_PKTS),
538 SIENA_DMA_STAT(rx_length_error, RX_LENGTH_ERROR_PKTS),
539 SIENA_DMA_STAT(rx_internal_error, RX_INTERNAL_ERROR_PKTS),
540 SIENA_DMA_STAT(rx_nodesc_drop_cnt, RX_NODESC_DROPS),
541 GENERIC_SW_STAT(rx_nodesc_trunc),
542 GENERIC_SW_STAT(rx_noskb_drops),
543};
544static const unsigned long siena_stat_mask[] = {
545 [0 ... BITS_TO_LONGS(SIENA_STAT_COUNT) - 1] = ~0UL,
546};
547
548static size_t siena_describe_nic_stats(struct efx_nic *efx, u8 *names)
549{
550 return efx_siena_describe_stats(siena_stat_desc, SIENA_STAT_COUNT,
551 siena_stat_mask, names);
552}
553
554static int siena_try_update_nic_stats(struct efx_nic *efx)
555{
556 struct siena_nic_data *nic_data = efx->nic_data;
557 u64 *stats = nic_data->stats;
558 __le64 *dma_stats;
559 __le64 generation_start, generation_end;
560
561 dma_stats = efx->stats_buffer.addr;
562
563 generation_end = dma_stats[efx->num_mac_stats - 1];
564 if (generation_end == EFX_MC_STATS_GENERATION_INVALID)
565 return 0;
566 rmb();
567 efx_siena_update_stats(siena_stat_desc, SIENA_STAT_COUNT, siena_stat_mask,
568 stats, efx->stats_buffer.addr, false);
569 rmb();
570 generation_start = dma_stats[MC_CMD_MAC_GENERATION_START];
571 if (generation_end != generation_start)
572 return -EAGAIN;
573
574 /* Update derived statistics */
575 efx_siena_fix_nodesc_drop_stat(efx,
576 &stats[SIENA_STAT_rx_nodesc_drop_cnt]);
577 efx_update_diff_stat(&stats[SIENA_STAT_tx_good_bytes],
578 stats[SIENA_STAT_tx_bytes] -
579 stats[SIENA_STAT_tx_bad_bytes]);
580 stats[SIENA_STAT_tx_collision] =
581 stats[SIENA_STAT_tx_single_collision] +
582 stats[SIENA_STAT_tx_multiple_collision] +
583 stats[SIENA_STAT_tx_excessive_collision] +
584 stats[SIENA_STAT_tx_late_collision];
585 efx_update_diff_stat(&stats[SIENA_STAT_rx_good_bytes],
586 stats[SIENA_STAT_rx_bytes] -
587 stats[SIENA_STAT_rx_bad_bytes]);
588 efx_siena_update_sw_stats(efx, stats);
589 return 0;
590}
591
592static size_t siena_update_nic_stats(struct efx_nic *efx, u64 *full_stats,
593 struct rtnl_link_stats64 *core_stats)
594{
595 struct siena_nic_data *nic_data = efx->nic_data;
596 u64 *stats = nic_data->stats;
597 int retry;
598
599 /* If we're unlucky enough to read statistics wduring the DMA, wait
600 * up to 10ms for it to finish (typically takes <500us) */
601 for (retry = 0; retry < 100; ++retry) {
602 if (siena_try_update_nic_stats(efx) == 0)
603 break;
604 udelay(100);
605 }
606
607 if (full_stats)
608 memcpy(full_stats, stats, sizeof(u64) * SIENA_STAT_COUNT);
609
610 if (core_stats) {
611 core_stats->rx_packets = stats[SIENA_STAT_rx_packets];
612 core_stats->tx_packets = stats[SIENA_STAT_tx_packets];
613 core_stats->rx_bytes = stats[SIENA_STAT_rx_bytes];
614 core_stats->tx_bytes = stats[SIENA_STAT_tx_bytes];
615 core_stats->rx_dropped = stats[SIENA_STAT_rx_nodesc_drop_cnt] +
616 stats[GENERIC_STAT_rx_nodesc_trunc] +
617 stats[GENERIC_STAT_rx_noskb_drops];
618 core_stats->multicast = stats[SIENA_STAT_rx_multicast];
619 core_stats->collisions = stats[SIENA_STAT_tx_collision];
620 core_stats->rx_length_errors =
621 stats[SIENA_STAT_rx_gtjumbo] +
622 stats[SIENA_STAT_rx_length_error];
623 core_stats->rx_crc_errors = stats[SIENA_STAT_rx_bad];
624 core_stats->rx_frame_errors = stats[SIENA_STAT_rx_align_error];
625 core_stats->rx_fifo_errors = stats[SIENA_STAT_rx_overflow];
626 core_stats->tx_window_errors =
627 stats[SIENA_STAT_tx_late_collision];
628
629 core_stats->rx_errors = (core_stats->rx_length_errors +
630 core_stats->rx_crc_errors +
631 core_stats->rx_frame_errors +
632 stats[SIENA_STAT_rx_symbol_error]);
633 core_stats->tx_errors = (core_stats->tx_window_errors +
634 stats[SIENA_STAT_tx_bad]);
635 }
636
637 return SIENA_STAT_COUNT;
638}
639
640static int siena_mac_reconfigure(struct efx_nic *efx, bool mtu_only __always_unused)
641{
642 MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_MCAST_HASH_IN_LEN);
643 int rc;
644
645 BUILD_BUG_ON(MC_CMD_SET_MCAST_HASH_IN_LEN !=
646 MC_CMD_SET_MCAST_HASH_IN_HASH0_OFST +
647 sizeof(efx->multicast_hash));
648
649 efx_farch_filter_sync_rx_mode(efx);
650
651 WARN_ON(!mutex_is_locked(&efx->mac_lock));
652
653 rc = efx_siena_mcdi_set_mac(efx);
654 if (rc != 0)
655 return rc;
656
657 memcpy(MCDI_PTR(inbuf, SET_MCAST_HASH_IN_HASH0),
658 efx->multicast_hash.byte, sizeof(efx->multicast_hash));
659 return efx_siena_mcdi_rpc(efx, MC_CMD_SET_MCAST_HASH,
660 inbuf, sizeof(inbuf), NULL, 0, NULL);
661}
662
663/**************************************************************************
664 *
665 * Wake on LAN
666 *
667 **************************************************************************
668 */
669
670static void siena_get_wol(struct efx_nic *efx, struct ethtool_wolinfo *wol)
671{
672 struct siena_nic_data *nic_data = efx->nic_data;
673
674 wol->supported = WAKE_MAGIC;
675 if (nic_data->wol_filter_id != -1)
676 wol->wolopts = WAKE_MAGIC;
677 else
678 wol->wolopts = 0;
679 memset(&wol->sopass, 0, sizeof(wol->sopass));
680}
681
682
683static int siena_set_wol(struct efx_nic *efx, u32 type)
684{
685 struct siena_nic_data *nic_data = efx->nic_data;
686 int rc;
687
688 if (type & ~WAKE_MAGIC)
689 return -EINVAL;
690
691 if (type & WAKE_MAGIC) {
692 if (nic_data->wol_filter_id != -1)
693 efx_siena_mcdi_wol_filter_remove(efx,
694 nic_data->wol_filter_id);
695 rc = efx_siena_mcdi_wol_filter_set_magic(efx,
696 efx->net_dev->dev_addr,
697 &nic_data->wol_filter_id);
698 if (rc)
699 goto fail;
700
701 pci_wake_from_d3(efx->pci_dev, true);
702 } else {
703 rc = efx_siena_mcdi_wol_filter_reset(efx);
704 nic_data->wol_filter_id = -1;
705 pci_wake_from_d3(efx->pci_dev, false);
706 if (rc)
707 goto fail;
708 }
709
710 return 0;
711 fail:
712 netif_err(efx, hw, efx->net_dev, "%s failed: type=%d rc=%d\n",
713 __func__, type, rc);
714 return rc;
715}
716
717
718static void siena_init_wol(struct efx_nic *efx)
719{
720 struct siena_nic_data *nic_data = efx->nic_data;
721 int rc;
722
723 rc = efx_siena_mcdi_wol_filter_get_magic(efx, &nic_data->wol_filter_id);
724
725 if (rc != 0) {
726 /* If it failed, attempt to get into a synchronised
727 * state with MC by resetting any set WoL filters */
728 efx_siena_mcdi_wol_filter_reset(efx);
729 nic_data->wol_filter_id = -1;
730 } else if (nic_data->wol_filter_id != -1) {
731 pci_wake_from_d3(efx->pci_dev, true);
732 }
733}
734
735/**************************************************************************
736 *
737 * MCDI
738 *
739 **************************************************************************
740 */
741
742#define MCDI_PDU(efx) \
743 (efx_port_num(efx) ? MC_SMEM_P1_PDU_OFST : MC_SMEM_P0_PDU_OFST)
744#define MCDI_DOORBELL(efx) \
745 (efx_port_num(efx) ? MC_SMEM_P1_DOORBELL_OFST : MC_SMEM_P0_DOORBELL_OFST)
746#define MCDI_STATUS(efx) \
747 (efx_port_num(efx) ? MC_SMEM_P1_STATUS_OFST : MC_SMEM_P0_STATUS_OFST)
748
749static void siena_mcdi_request(struct efx_nic *efx,
750 const efx_dword_t *hdr, size_t hdr_len,
751 const efx_dword_t *sdu, size_t sdu_len)
752{
753 unsigned pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
754 unsigned doorbell = FR_CZ_MC_TREG_SMEM + MCDI_DOORBELL(efx);
755 unsigned int i;
756 unsigned int inlen_dw = DIV_ROUND_UP(sdu_len, 4);
757
758 EFX_WARN_ON_PARANOID(hdr_len != 4);
759
760 efx_writed(efx, hdr, pdu);
761
762 for (i = 0; i < inlen_dw; i++)
763 efx_writed(efx, &sdu[i], pdu + hdr_len + 4 * i);
764
765 /* Ensure the request is written out before the doorbell */
766 wmb();
767
768 /* ring the doorbell with a distinctive value */
769 _efx_writed(efx, (__force __le32) 0x45789abc, doorbell);
770}
771
772static bool siena_mcdi_poll_response(struct efx_nic *efx)
773{
774 unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
775 efx_dword_t hdr;
776
777 efx_readd(efx, &hdr, pdu);
778
779 /* All 1's indicates that shared memory is in reset (and is
780 * not a valid hdr). Wait for it to come out reset before
781 * completing the command
782 */
783 return EFX_DWORD_FIELD(hdr, EFX_DWORD_0) != 0xffffffff &&
784 EFX_DWORD_FIELD(hdr, MCDI_HEADER_RESPONSE);
785}
786
787static void siena_mcdi_read_response(struct efx_nic *efx, efx_dword_t *outbuf,
788 size_t offset, size_t outlen)
789{
790 unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx);
791 unsigned int outlen_dw = DIV_ROUND_UP(outlen, 4);
792 int i;
793
794 for (i = 0; i < outlen_dw; i++)
795 efx_readd(efx, &outbuf[i], pdu + offset + 4 * i);
796}
797
798static int siena_mcdi_poll_reboot(struct efx_nic *efx)
799{
800 struct siena_nic_data *nic_data = efx->nic_data;
801 unsigned int addr = FR_CZ_MC_TREG_SMEM + MCDI_STATUS(efx);
802 efx_dword_t reg;
803 u32 value;
804
805 efx_readd(efx, ®, addr);
806 value = EFX_DWORD_FIELD(reg, EFX_DWORD_0);
807
808 if (value == 0)
809 return 0;
810
811 EFX_ZERO_DWORD(reg);
812 efx_writed(efx, ®, addr);
813
814 /* MAC statistics have been cleared on the NIC; clear the local
815 * copies that we update with efx_update_diff_stat().
816 */
817 nic_data->stats[SIENA_STAT_tx_good_bytes] = 0;
818 nic_data->stats[SIENA_STAT_rx_good_bytes] = 0;
819
820 if (value == MC_STATUS_DWORD_ASSERT)
821 return -EINTR;
822 else
823 return -EIO;
824}
825
826/**************************************************************************
827 *
828 * MTD
829 *
830 **************************************************************************
831 */
832
833#ifdef CONFIG_SFC_SIENA_MTD
834
835struct siena_nvram_type_info {
836 int port;
837 const char *name;
838};
839
840static const struct siena_nvram_type_info siena_nvram_types[] = {
841 [MC_CMD_NVRAM_TYPE_DISABLED_CALLISTO] = { 0, "sfc_dummy_phy" },
842 [MC_CMD_NVRAM_TYPE_MC_FW] = { 0, "sfc_mcfw" },
843 [MC_CMD_NVRAM_TYPE_MC_FW_BACKUP] = { 0, "sfc_mcfw_backup" },
844 [MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT0] = { 0, "sfc_static_cfg" },
845 [MC_CMD_NVRAM_TYPE_STATIC_CFG_PORT1] = { 1, "sfc_static_cfg" },
846 [MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT0] = { 0, "sfc_dynamic_cfg" },
847 [MC_CMD_NVRAM_TYPE_DYNAMIC_CFG_PORT1] = { 1, "sfc_dynamic_cfg" },
848 [MC_CMD_NVRAM_TYPE_EXP_ROM] = { 0, "sfc_exp_rom" },
849 [MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT0] = { 0, "sfc_exp_rom_cfg" },
850 [MC_CMD_NVRAM_TYPE_EXP_ROM_CFG_PORT1] = { 1, "sfc_exp_rom_cfg" },
851 [MC_CMD_NVRAM_TYPE_PHY_PORT0] = { 0, "sfc_phy_fw" },
852 [MC_CMD_NVRAM_TYPE_PHY_PORT1] = { 1, "sfc_phy_fw" },
853 [MC_CMD_NVRAM_TYPE_FPGA] = { 0, "sfc_fpga" },
854};
855
856static int siena_mtd_probe_partition(struct efx_nic *efx,
857 struct efx_mcdi_mtd_partition *part,
858 unsigned int type)
859{
860 const struct siena_nvram_type_info *info;
861 size_t size, erase_size;
862 bool protected;
863 int rc;
864
865 if (type >= ARRAY_SIZE(siena_nvram_types) ||
866 siena_nvram_types[type].name == NULL)
867 return -ENODEV;
868
869 info = &siena_nvram_types[type];
870
871 if (info->port != efx_port_num(efx))
872 return -ENODEV;
873
874 rc = efx_siena_mcdi_nvram_info(efx, type, &size, &erase_size,
875 &protected);
876 if (rc)
877 return rc;
878 if (protected)
879 return -ENODEV; /* hide it */
880
881 part->nvram_type = type;
882 part->common.dev_type_name = "Siena NVRAM manager";
883 part->common.type_name = info->name;
884
885 part->common.mtd.type = MTD_NORFLASH;
886 part->common.mtd.flags = MTD_CAP_NORFLASH;
887 part->common.mtd.size = size;
888 part->common.mtd.erasesize = erase_size;
889
890 return 0;
891}
892
893static int siena_mtd_get_fw_subtypes(struct efx_nic *efx,
894 struct efx_mcdi_mtd_partition *parts,
895 size_t n_parts)
896{
897 uint16_t fw_subtype_list[
898 MC_CMD_GET_BOARD_CFG_OUT_FW_SUBTYPE_LIST_MAXNUM];
899 size_t i;
900 int rc;
901
902 rc = efx_siena_mcdi_get_board_cfg(efx, NULL, fw_subtype_list, NULL);
903 if (rc)
904 return rc;
905
906 for (i = 0; i < n_parts; i++)
907 parts[i].fw_subtype = fw_subtype_list[parts[i].nvram_type];
908
909 return 0;
910}
911
912static int siena_mtd_probe(struct efx_nic *efx)
913{
914 struct efx_mcdi_mtd_partition *parts;
915 u32 nvram_types;
916 unsigned int type;
917 size_t n_parts;
918 int rc;
919
920 ASSERT_RTNL();
921
922 rc = efx_siena_mcdi_nvram_types(efx, &nvram_types);
923 if (rc)
924 return rc;
925
926 parts = kcalloc(hweight32(nvram_types), sizeof(*parts), GFP_KERNEL);
927 if (!parts)
928 return -ENOMEM;
929
930 type = 0;
931 n_parts = 0;
932
933 while (nvram_types != 0) {
934 if (nvram_types & 1) {
935 rc = siena_mtd_probe_partition(efx, &parts[n_parts],
936 type);
937 if (rc == 0)
938 n_parts++;
939 else if (rc != -ENODEV)
940 goto fail;
941 }
942 type++;
943 nvram_types >>= 1;
944 }
945
946 rc = siena_mtd_get_fw_subtypes(efx, parts, n_parts);
947 if (rc)
948 goto fail;
949
950 rc = efx_siena_mtd_add(efx, &parts[0].common, n_parts, sizeof(*parts));
951fail:
952 if (rc)
953 kfree(parts);
954 return rc;
955}
956
957#endif /* CONFIG_SFC_SIENA_MTD */
958
959static unsigned int siena_check_caps(const struct efx_nic *efx,
960 u8 flag, u32 offset)
961{
962 /* Siena did not support MC_CMD_GET_CAPABILITIES */
963 return 0;
964}
965
966static unsigned int efx_siena_recycle_ring_size(const struct efx_nic *efx)
967{
968 /* Maximum link speed is 10G */
969 return EFX_RECYCLE_RING_SIZE_10G;
970}
971
972/**************************************************************************
973 *
974 * Revision-dependent attributes used by efx.c and nic.c
975 *
976 **************************************************************************
977 */
978
979const struct efx_nic_type siena_a0_nic_type = {
980 .is_vf = false,
981 .mem_bar = siena_mem_bar,
982 .mem_map_size = siena_mem_map_size,
983 .probe = siena_probe_nic,
984 .remove = siena_remove_nic,
985 .init = siena_init_nic,
986 .dimension_resources = siena_dimension_resources,
987 .fini = efx_siena_port_dummy_op_void,
988#ifdef CONFIG_EEH
989 .monitor = siena_monitor,
990#else
991 .monitor = NULL,
992#endif
993 .map_reset_reason = efx_siena_mcdi_map_reset_reason,
994 .map_reset_flags = siena_map_reset_flags,
995 .reset = efx_siena_mcdi_reset,
996 .probe_port = efx_siena_mcdi_port_probe,
997 .remove_port = efx_siena_mcdi_port_remove,
998 .fini_dmaq = efx_farch_fini_dmaq,
999 .prepare_flush = efx_siena_prepare_flush,
1000 .finish_flush = siena_finish_flush,
1001 .prepare_flr = efx_siena_port_dummy_op_void,
1002 .finish_flr = efx_farch_finish_flr,
1003 .describe_stats = siena_describe_nic_stats,
1004 .update_stats = siena_update_nic_stats,
1005 .start_stats = efx_siena_mcdi_mac_start_stats,
1006 .pull_stats = efx_siena_mcdi_mac_pull_stats,
1007 .stop_stats = efx_siena_mcdi_mac_stop_stats,
1008 .push_irq_moderation = siena_push_irq_moderation,
1009 .reconfigure_mac = siena_mac_reconfigure,
1010 .check_mac_fault = efx_siena_mcdi_mac_check_fault,
1011 .reconfigure_port = efx_siena_mcdi_port_reconfigure,
1012 .get_wol = siena_get_wol,
1013 .set_wol = siena_set_wol,
1014 .resume_wol = siena_init_wol,
1015 .test_chip = siena_test_chip,
1016 .test_nvram = efx_siena_mcdi_nvram_test_all,
1017 .mcdi_request = siena_mcdi_request,
1018 .mcdi_poll_response = siena_mcdi_poll_response,
1019 .mcdi_read_response = siena_mcdi_read_response,
1020 .mcdi_poll_reboot = siena_mcdi_poll_reboot,
1021 .irq_enable_master = efx_farch_irq_enable_master,
1022 .irq_test_generate = efx_farch_irq_test_generate,
1023 .irq_disable_non_ev = efx_farch_irq_disable_master,
1024 .irq_handle_msi = efx_farch_msi_interrupt,
1025 .irq_handle_legacy = efx_farch_legacy_interrupt,
1026 .tx_probe = efx_farch_tx_probe,
1027 .tx_init = efx_farch_tx_init,
1028 .tx_remove = efx_farch_tx_remove,
1029 .tx_write = efx_farch_tx_write,
1030 .tx_limit_len = efx_farch_tx_limit_len,
1031 .tx_enqueue = __efx_siena_enqueue_skb,
1032 .rx_push_rss_config = siena_rx_push_rss_config,
1033 .rx_pull_rss_config = siena_rx_pull_rss_config,
1034 .rx_probe = efx_farch_rx_probe,
1035 .rx_init = efx_farch_rx_init,
1036 .rx_remove = efx_farch_rx_remove,
1037 .rx_write = efx_farch_rx_write,
1038 .rx_defer_refill = efx_farch_rx_defer_refill,
1039 .rx_packet = __efx_siena_rx_packet,
1040 .ev_probe = efx_farch_ev_probe,
1041 .ev_init = efx_farch_ev_init,
1042 .ev_fini = efx_farch_ev_fini,
1043 .ev_remove = efx_farch_ev_remove,
1044 .ev_process = efx_farch_ev_process,
1045 .ev_read_ack = efx_farch_ev_read_ack,
1046 .ev_test_generate = efx_farch_ev_test_generate,
1047 .filter_table_probe = efx_farch_filter_table_probe,
1048 .filter_table_restore = efx_farch_filter_table_restore,
1049 .filter_table_remove = efx_farch_filter_table_remove,
1050 .filter_update_rx_scatter = efx_farch_filter_update_rx_scatter,
1051 .filter_insert = efx_farch_filter_insert,
1052 .filter_remove_safe = efx_farch_filter_remove_safe,
1053 .filter_get_safe = efx_farch_filter_get_safe,
1054 .filter_clear_rx = efx_farch_filter_clear_rx,
1055 .filter_count_rx_used = efx_farch_filter_count_rx_used,
1056 .filter_get_rx_id_limit = efx_farch_filter_get_rx_id_limit,
1057 .filter_get_rx_ids = efx_farch_filter_get_rx_ids,
1058#ifdef CONFIG_RFS_ACCEL
1059 .filter_rfs_expire_one = efx_farch_filter_rfs_expire_one,
1060#endif
1061#ifdef CONFIG_SFC_SIENA_MTD
1062 .mtd_probe = siena_mtd_probe,
1063 .mtd_rename = efx_siena_mcdi_mtd_rename,
1064 .mtd_read = efx_siena_mcdi_mtd_read,
1065 .mtd_erase = efx_siena_mcdi_mtd_erase,
1066 .mtd_write = efx_siena_mcdi_mtd_write,
1067 .mtd_sync = efx_siena_mcdi_mtd_sync,
1068#endif
1069 .ptp_write_host_time = siena_ptp_write_host_time,
1070 .ptp_set_ts_config = siena_ptp_set_ts_config,
1071#ifdef CONFIG_SFC_SIENA_SRIOV
1072 .sriov_configure = efx_siena_sriov_configure,
1073 .sriov_init = efx_siena_sriov_init,
1074 .sriov_fini = efx_siena_sriov_fini,
1075 .sriov_wanted = efx_siena_sriov_wanted,
1076 .sriov_reset = efx_siena_sriov_reset,
1077 .sriov_flr = efx_siena_sriov_flr,
1078 .sriov_set_vf_mac = efx_siena_sriov_set_vf_mac,
1079 .sriov_set_vf_vlan = efx_siena_sriov_set_vf_vlan,
1080 .sriov_set_vf_spoofchk = efx_siena_sriov_set_vf_spoofchk,
1081 .sriov_get_vf_config = efx_siena_sriov_get_vf_config,
1082 .vswitching_probe = efx_siena_port_dummy_op_int,
1083 .vswitching_restore = efx_siena_port_dummy_op_int,
1084 .vswitching_remove = efx_siena_port_dummy_op_void,
1085 .set_mac_address = efx_siena_sriov_mac_address_changed,
1086#endif
1087
1088 .revision = EFX_REV_SIENA_A0,
1089 .txd_ptr_tbl_base = FR_BZ_TX_DESC_PTR_TBL,
1090 .rxd_ptr_tbl_base = FR_BZ_RX_DESC_PTR_TBL,
1091 .buf_tbl_base = FR_BZ_BUF_FULL_TBL,
1092 .evq_ptr_tbl_base = FR_BZ_EVQ_PTR_TBL,
1093 .evq_rptr_tbl_base = FR_BZ_EVQ_RPTR,
1094 .max_dma_mask = DMA_BIT_MASK(FSF_AZ_TX_KER_BUF_ADDR_WIDTH),
1095 .rx_prefix_size = FS_BZ_RX_PREFIX_SIZE,
1096 .rx_hash_offset = FS_BZ_RX_PREFIX_HASH_OFST,
1097 .rx_buffer_padding = 0,
1098 .can_rx_scatter = true,
1099 .option_descriptors = false,
1100 .min_interrupt_mode = EFX_INT_MODE_LEGACY,
1101 .timer_period_max = 1 << FRF_CZ_TC_TIMER_VAL_WIDTH,
1102 .offload_features = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
1103 NETIF_F_RXHASH | NETIF_F_NTUPLE),
1104 .mcdi_max_ver = 1,
1105 .max_rx_ip_filters = FR_BZ_RX_FILTER_TBL0_ROWS,
1106 .hwtstamp_filters = (1 << HWTSTAMP_FILTER_NONE |
1107 1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT |
1108 1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT),
1109 .rx_hash_key_size = 16,
1110 .check_caps = siena_check_caps,
1111 .sensor_event = efx_siena_mcdi_sensor_event,
1112 .rx_recycle_ring_size = efx_siena_recycle_ring_size,
1113};