1 /****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
3 * Copyright 2005-2006 Fen Systems Ltd.
4 * Copyright 2006-2010 Solarflare Communications Inc.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation, incorporated herein by reference.
11 #include <linux/bitops.h>
12 #include <linux/delay.h>
13 #include <linux/pci.h>
14 #include <linux/module.h>
15 #include <linux/slab.h>
16 #include <linux/random.h>
17 #include "net_driver.h"
25 #include "workarounds.h"
27 #include "mcdi_pcol.h"
30 /* Hardware control for SFC9000 family including SFL9021 (aka Siena). */
32 static void siena_init_wol(struct efx_nic *efx);
35 static void siena_push_irq_moderation(struct efx_channel *channel)
37 efx_dword_t timer_cmd;
39 if (channel->irq_moderation)
40 EFX_POPULATE_DWORD_2(timer_cmd,
42 FFE_CZ_TIMER_MODE_INT_HLDOFF,
44 channel->irq_moderation - 1);
46 EFX_POPULATE_DWORD_2(timer_cmd,
48 FFE_CZ_TIMER_MODE_DIS,
49 FRF_CZ_TC_TIMER_VAL, 0);
50 efx_writed_page_locked(channel->efx, &timer_cmd, FR_BZ_TIMER_COMMAND_P0,
54 static int siena_mdio_write(struct net_device *net_dev,
55 int prtad, int devad, u16 addr, u16 value)
57 struct efx_nic *efx = netdev_priv(net_dev);
61 rc = efx_mcdi_mdio_write(efx, efx->mdio_bus, prtad, devad,
62 addr, value, &status);
65 if (status != MC_CMD_MDIO_STATUS_GOOD)
71 static int siena_mdio_read(struct net_device *net_dev,
72 int prtad, int devad, u16 addr)
74 struct efx_nic *efx = netdev_priv(net_dev);
79 rc = efx_mcdi_mdio_read(efx, efx->mdio_bus, prtad, devad,
80 addr, &value, &status);
83 if (status != MC_CMD_MDIO_STATUS_GOOD)
89 /* This call is responsible for hooking in the MAC and PHY operations */
90 static int siena_probe_port(struct efx_nic *efx)
94 /* Hook in PHY operations table */
95 efx->phy_op = &efx_mcdi_phy_ops;
97 /* Set up MDIO structure for PHY */
98 efx->mdio.mode_support = MDIO_SUPPORTS_C45 | MDIO_EMULATE_C22;
99 efx->mdio.mdio_read = siena_mdio_read;
100 efx->mdio.mdio_write = siena_mdio_write;
102 /* Fill out MDIO structure, loopback modes, and initial link state */
103 rc = efx->phy_op->probe(efx);
107 /* Allocate buffer for stats */
108 rc = efx_nic_alloc_buffer(efx, &efx->stats_buffer,
109 MC_CMD_MAC_NSTATS * sizeof(u64));
112 netif_dbg(efx, probe, efx->net_dev,
113 "stats buffer at %llx (virt %p phys %llx)\n",
114 (u64)efx->stats_buffer.dma_addr,
115 efx->stats_buffer.addr,
116 (u64)virt_to_phys(efx->stats_buffer.addr));
118 efx_mcdi_mac_stats(efx, efx->stats_buffer.dma_addr, 0, 0, 1);
123 static void siena_remove_port(struct efx_nic *efx)
125 efx->phy_op->remove(efx);
126 efx_nic_free_buffer(efx, &efx->stats_buffer);
129 void siena_prepare_flush(struct efx_nic *efx)
131 if (efx->fc_disable++ == 0)
132 efx_mcdi_set_mac(efx);
135 void siena_finish_flush(struct efx_nic *efx)
137 if (--efx->fc_disable == 0)
138 efx_mcdi_set_mac(efx);
141 static const struct efx_nic_register_test siena_register_tests[] = {
143 EFX_OWORD32(0x0003FFFF, 0x0003FFFF, 0x0003FFFF, 0x0003FFFF) },
145 EFX_OWORD32(0x000103FF, 0x00000000, 0x00000000, 0x00000000) },
147 EFX_OWORD32(0xFFFFFFFE, 0xFFFFFFFF, 0x0003FFFF, 0x00000000) },
149 EFX_OWORD32(0x7FFF0037, 0xFFFF8000, 0xFFFFFFFF, 0x03FFFFFF) },
151 EFX_OWORD32(0xFFFEFE80, 0x1FFFFFFF, 0x020000FE, 0x007FFFFF) },
152 { FR_AZ_SRM_TX_DC_CFG,
153 EFX_OWORD32(0x001FFFFF, 0x00000000, 0x00000000, 0x00000000) },
155 EFX_OWORD32(0x00000003, 0x00000000, 0x00000000, 0x00000000) },
157 EFX_OWORD32(0x000003FF, 0x00000000, 0x00000000, 0x00000000) },
159 EFX_OWORD32(0x00000FFF, 0x00000000, 0x00000000, 0x00000000) },
161 EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
162 { FR_CZ_RX_RSS_IPV6_REG1,
163 EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
164 { FR_CZ_RX_RSS_IPV6_REG2,
165 EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF) },
166 { FR_CZ_RX_RSS_IPV6_REG3,
167 EFX_OWORD32(0xFFFFFFFF, 0xFFFFFFFF, 0x00000007, 0x00000000) },
170 static int siena_test_chip(struct efx_nic *efx, struct efx_self_tests *tests)
172 enum reset_type reset_method = RESET_TYPE_ALL;
175 efx_reset_down(efx, reset_method);
177 /* Reset the chip immediately so that it is completely
178 * quiescent regardless of what any VF driver does.
180 rc = efx_mcdi_reset(efx, reset_method);
185 efx_nic_test_registers(efx, siena_register_tests,
186 ARRAY_SIZE(siena_register_tests))
189 rc = efx_mcdi_reset(efx, reset_method);
191 rc2 = efx_reset_up(efx, reset_method, rc == 0);
192 return rc ? rc : rc2;
195 /**************************************************************************
199 **************************************************************************
202 static int siena_map_reset_flags(u32 *flags)
205 SIENA_RESET_PORT = (ETH_RESET_DMA | ETH_RESET_FILTER |
206 ETH_RESET_OFFLOAD | ETH_RESET_MAC |
208 SIENA_RESET_MC = (SIENA_RESET_PORT |
209 ETH_RESET_MGMT << ETH_RESET_SHARED_SHIFT),
212 if ((*flags & SIENA_RESET_MC) == SIENA_RESET_MC) {
213 *flags &= ~SIENA_RESET_MC;
214 return RESET_TYPE_WORLD;
217 if ((*flags & SIENA_RESET_PORT) == SIENA_RESET_PORT) {
218 *flags &= ~SIENA_RESET_PORT;
219 return RESET_TYPE_ALL;
222 /* no invisible reset implemented */
228 /* When a PCI device is isolated from the bus, a subsequent MMIO read is
229 * required for the kernel EEH mechanisms to notice. As the Solarflare driver
230 * was written to minimise MMIO read (for latency) then a periodic call to check
231 * the EEH status of the device is required so that device recovery can happen
232 * in a timely fashion.
234 static void siena_monitor(struct efx_nic *efx)
236 struct eeh_dev *eehdev =
237 of_node_to_eeh_dev(pci_device_to_OF_node(efx->pci_dev));
239 eeh_dev_check_failure(eehdev);
243 static int siena_probe_nvconfig(struct efx_nic *efx)
248 rc = efx_mcdi_get_board_cfg(efx, efx->net_dev->perm_addr, NULL, &caps);
250 efx->timer_quantum_ns =
251 (caps & (1 << MC_CMD_CAPABILITIES_TURBO_ACTIVE_LBN)) ?
252 3072 : 6144; /* 768 cycles */
256 static void siena_dimension_resources(struct efx_nic *efx)
258 /* Each port has a small block of internal SRAM dedicated to
259 * the buffer table and descriptor caches. In theory we can
260 * map both blocks to one port, but we don't.
262 efx_nic_dimension_resources(efx, FR_CZ_BUF_FULL_TBL_ROWS / 2);
265 static int siena_probe_nic(struct efx_nic *efx)
267 struct siena_nic_data *nic_data;
268 bool already_attached = false;
272 /* Allocate storage for hardware specific data */
273 nic_data = kzalloc(sizeof(struct siena_nic_data), GFP_KERNEL);
276 efx->nic_data = nic_data;
278 if (efx_nic_fpga_ver(efx) != 0) {
279 netif_err(efx, probe, efx->net_dev,
280 "Siena FPGA not supported\n");
285 efx_reado(efx, ®, FR_AZ_CS_DEBUG);
286 efx->port_num = EFX_OWORD_FIELD(reg, FRF_CZ_CS_PORT_NUM) - 1;
290 /* Recover from a failed assertion before probing */
291 rc = efx_mcdi_handle_assertion(efx);
295 /* Let the BMC know that the driver is now in charge of link and
296 * filter settings. We must do this before we reset the NIC */
297 rc = efx_mcdi_drv_attach(efx, true, &already_attached);
299 netif_err(efx, probe, efx->net_dev,
300 "Unable to register driver with MCPU\n");
303 if (already_attached)
304 /* Not a fatal error */
305 netif_err(efx, probe, efx->net_dev,
306 "Host already registered with MCPU\n");
308 /* Now we can reset the NIC */
309 rc = efx_mcdi_reset(efx, RESET_TYPE_ALL);
311 netif_err(efx, probe, efx->net_dev, "failed to reset NIC\n");
317 /* Allocate memory for INT_KER */
318 rc = efx_nic_alloc_buffer(efx, &efx->irq_status, sizeof(efx_oword_t));
321 BUG_ON(efx->irq_status.dma_addr & 0x0f);
323 netif_dbg(efx, probe, efx->net_dev,
324 "INT_KER at %llx (virt %p phys %llx)\n",
325 (unsigned long long)efx->irq_status.dma_addr,
326 efx->irq_status.addr,
327 (unsigned long long)virt_to_phys(efx->irq_status.addr));
329 /* Read in the non-volatile configuration */
330 rc = siena_probe_nvconfig(efx);
332 netif_err(efx, probe, efx->net_dev,
333 "NVRAM is invalid therefore using defaults\n");
334 efx->phy_type = PHY_TYPE_NONE;
335 efx->mdio.prtad = MDIO_PRTAD_NONE;
340 rc = efx_mcdi_mon_probe(efx);
344 efx_sriov_probe(efx);
350 efx_nic_free_buffer(efx, &efx->irq_status);
353 efx_mcdi_drv_attach(efx, false, NULL);
356 kfree(efx->nic_data);
360 /* This call performs hardware-specific global initialisation, such as
361 * defining the descriptor cache sizes and number of RSS channels.
362 * It does not set up any buffers, descriptor rings or event queues.
364 static int siena_init_nic(struct efx_nic *efx)
369 /* Recover from a failed assertion post-reset */
370 rc = efx_mcdi_handle_assertion(efx);
374 /* Squash TX of packets of 16 bytes or less */
375 efx_reado(efx, &temp, FR_AZ_TX_RESERVED);
376 EFX_SET_OWORD_FIELD(temp, FRF_BZ_TX_FLUSH_MIN_LEN_EN, 1);
377 efx_writeo(efx, &temp, FR_AZ_TX_RESERVED);
379 /* Do not enable TX_NO_EOP_DISC_EN, since it limits packets to 16
380 * descriptors (which is bad).
382 efx_reado(efx, &temp, FR_AZ_TX_CFG);
383 EFX_SET_OWORD_FIELD(temp, FRF_AZ_TX_NO_EOP_DISC_EN, 0);
384 EFX_SET_OWORD_FIELD(temp, FRF_CZ_TX_FILTER_EN_BIT, 1);
385 efx_writeo(efx, &temp, FR_AZ_TX_CFG);
387 efx_reado(efx, &temp, FR_AZ_RX_CFG);
388 EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_DESC_PUSH_EN, 0);
389 EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_INGR_EN, 1);
390 /* Enable hash insertion. This is broken for the 'Falcon' hash
391 * if IPv6 hashing is also enabled, so also select Toeplitz
392 * TCP/IPv4 and IPv4 hashes. */
393 EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_HASH_INSRT_HDR, 1);
394 EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_HASH_ALG, 1);
395 EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_IP_HASH, 1);
396 EFX_SET_OWORD_FIELD(temp, FRF_BZ_RX_USR_BUF_SIZE,
397 EFX_RX_USR_BUF_SIZE >> 5);
398 efx_writeo(efx, &temp, FR_AZ_RX_CFG);
400 /* Set hash key for IPv4 */
401 memcpy(&temp, efx->rx_hash_key, sizeof(temp));
402 efx_writeo(efx, &temp, FR_BZ_RX_RSS_TKEY);
404 /* Enable IPv6 RSS */
405 BUILD_BUG_ON(sizeof(efx->rx_hash_key) <
406 2 * sizeof(temp) + FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8 ||
407 FRF_CZ_RX_RSS_IPV6_TKEY_HI_LBN != 0);
408 memcpy(&temp, efx->rx_hash_key, sizeof(temp));
409 efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG1);
410 memcpy(&temp, efx->rx_hash_key + sizeof(temp), sizeof(temp));
411 efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG2);
412 EFX_POPULATE_OWORD_2(temp, FRF_CZ_RX_RSS_IPV6_THASH_ENABLE, 1,
413 FRF_CZ_RX_RSS_IPV6_IP_THASH_ENABLE, 1);
414 memcpy(&temp, efx->rx_hash_key + 2 * sizeof(temp),
415 FRF_CZ_RX_RSS_IPV6_TKEY_HI_WIDTH / 8);
416 efx_writeo(efx, &temp, FR_CZ_RX_RSS_IPV6_REG3);
418 /* Enable event logging */
419 rc = efx_mcdi_log_ctrl(efx, true, false, 0);
423 /* Set destination of both TX and RX Flush events */
424 EFX_POPULATE_OWORD_1(temp, FRF_BZ_FLS_EVQ_ID, 0);
425 efx_writeo(efx, &temp, FR_BZ_DP_CTRL);
427 EFX_POPULATE_OWORD_1(temp, FRF_CZ_USREV_DIS, 1);
428 efx_writeo(efx, &temp, FR_CZ_USR_EV_CFG);
430 efx_nic_init_common(efx);
434 static void siena_remove_nic(struct efx_nic *efx)
436 efx_mcdi_mon_remove(efx);
438 efx_nic_free_buffer(efx, &efx->irq_status);
440 efx_mcdi_reset(efx, RESET_TYPE_ALL);
442 /* Relinquish the device back to the BMC */
443 efx_mcdi_drv_attach(efx, false, NULL);
445 /* Tear down the private nic state */
446 kfree(efx->nic_data);
447 efx->nic_data = NULL;
450 #define STATS_GENERATION_INVALID ((__force __le64)(-1))
452 static int siena_try_update_nic_stats(struct efx_nic *efx)
455 struct efx_mac_stats *mac_stats;
456 __le64 generation_start, generation_end;
458 mac_stats = &efx->mac_stats;
459 dma_stats = efx->stats_buffer.addr;
461 generation_end = dma_stats[MC_CMD_MAC_GENERATION_END];
462 if (generation_end == STATS_GENERATION_INVALID)
466 #define MAC_STAT(M, D) \
467 mac_stats->M = le64_to_cpu(dma_stats[MC_CMD_MAC_ ## D])
469 MAC_STAT(tx_bytes, TX_BYTES);
470 MAC_STAT(tx_bad_bytes, TX_BAD_BYTES);
471 efx_update_diff_stat(&mac_stats->tx_good_bytes,
472 mac_stats->tx_bytes - mac_stats->tx_bad_bytes);
473 MAC_STAT(tx_packets, TX_PKTS);
474 MAC_STAT(tx_bad, TX_BAD_FCS_PKTS);
475 MAC_STAT(tx_pause, TX_PAUSE_PKTS);
476 MAC_STAT(tx_control, TX_CONTROL_PKTS);
477 MAC_STAT(tx_unicast, TX_UNICAST_PKTS);
478 MAC_STAT(tx_multicast, TX_MULTICAST_PKTS);
479 MAC_STAT(tx_broadcast, TX_BROADCAST_PKTS);
480 MAC_STAT(tx_lt64, TX_LT64_PKTS);
481 MAC_STAT(tx_64, TX_64_PKTS);
482 MAC_STAT(tx_65_to_127, TX_65_TO_127_PKTS);
483 MAC_STAT(tx_128_to_255, TX_128_TO_255_PKTS);
484 MAC_STAT(tx_256_to_511, TX_256_TO_511_PKTS);
485 MAC_STAT(tx_512_to_1023, TX_512_TO_1023_PKTS);
486 MAC_STAT(tx_1024_to_15xx, TX_1024_TO_15XX_PKTS);
487 MAC_STAT(tx_15xx_to_jumbo, TX_15XX_TO_JUMBO_PKTS);
488 MAC_STAT(tx_gtjumbo, TX_GTJUMBO_PKTS);
489 mac_stats->tx_collision = 0;
490 MAC_STAT(tx_single_collision, TX_SINGLE_COLLISION_PKTS);
491 MAC_STAT(tx_multiple_collision, TX_MULTIPLE_COLLISION_PKTS);
492 MAC_STAT(tx_excessive_collision, TX_EXCESSIVE_COLLISION_PKTS);
493 MAC_STAT(tx_deferred, TX_DEFERRED_PKTS);
494 MAC_STAT(tx_late_collision, TX_LATE_COLLISION_PKTS);
495 mac_stats->tx_collision = (mac_stats->tx_single_collision +
496 mac_stats->tx_multiple_collision +
497 mac_stats->tx_excessive_collision +
498 mac_stats->tx_late_collision);
499 MAC_STAT(tx_excessive_deferred, TX_EXCESSIVE_DEFERRED_PKTS);
500 MAC_STAT(tx_non_tcpudp, TX_NON_TCPUDP_PKTS);
501 MAC_STAT(tx_mac_src_error, TX_MAC_SRC_ERR_PKTS);
502 MAC_STAT(tx_ip_src_error, TX_IP_SRC_ERR_PKTS);
503 MAC_STAT(rx_bytes, RX_BYTES);
504 MAC_STAT(rx_bad_bytes, RX_BAD_BYTES);
505 efx_update_diff_stat(&mac_stats->rx_good_bytes,
506 mac_stats->rx_bytes - mac_stats->rx_bad_bytes);
507 MAC_STAT(rx_packets, RX_PKTS);
508 MAC_STAT(rx_good, RX_GOOD_PKTS);
509 MAC_STAT(rx_bad, RX_BAD_FCS_PKTS);
510 MAC_STAT(rx_pause, RX_PAUSE_PKTS);
511 MAC_STAT(rx_control, RX_CONTROL_PKTS);
512 MAC_STAT(rx_unicast, RX_UNICAST_PKTS);
513 MAC_STAT(rx_multicast, RX_MULTICAST_PKTS);
514 MAC_STAT(rx_broadcast, RX_BROADCAST_PKTS);
515 MAC_STAT(rx_lt64, RX_UNDERSIZE_PKTS);
516 MAC_STAT(rx_64, RX_64_PKTS);
517 MAC_STAT(rx_65_to_127, RX_65_TO_127_PKTS);
518 MAC_STAT(rx_128_to_255, RX_128_TO_255_PKTS);
519 MAC_STAT(rx_256_to_511, RX_256_TO_511_PKTS);
520 MAC_STAT(rx_512_to_1023, RX_512_TO_1023_PKTS);
521 MAC_STAT(rx_1024_to_15xx, RX_1024_TO_15XX_PKTS);
522 MAC_STAT(rx_15xx_to_jumbo, RX_15XX_TO_JUMBO_PKTS);
523 MAC_STAT(rx_gtjumbo, RX_GTJUMBO_PKTS);
524 mac_stats->rx_bad_lt64 = 0;
525 mac_stats->rx_bad_64_to_15xx = 0;
526 mac_stats->rx_bad_15xx_to_jumbo = 0;
527 MAC_STAT(rx_bad_gtjumbo, RX_JABBER_PKTS);
528 MAC_STAT(rx_overflow, RX_OVERFLOW_PKTS);
529 mac_stats->rx_missed = 0;
530 MAC_STAT(rx_false_carrier, RX_FALSE_CARRIER_PKTS);
531 MAC_STAT(rx_symbol_error, RX_SYMBOL_ERROR_PKTS);
532 MAC_STAT(rx_align_error, RX_ALIGN_ERROR_PKTS);
533 MAC_STAT(rx_length_error, RX_LENGTH_ERROR_PKTS);
534 MAC_STAT(rx_internal_error, RX_INTERNAL_ERROR_PKTS);
535 mac_stats->rx_good_lt64 = 0;
537 efx->n_rx_nodesc_drop_cnt =
538 le64_to_cpu(dma_stats[MC_CMD_MAC_RX_NODESC_DROPS]);
543 generation_start = dma_stats[MC_CMD_MAC_GENERATION_START];
544 if (generation_end != generation_start)
550 static void siena_update_nic_stats(struct efx_nic *efx)
554 /* If we're unlucky enough to read statistics wduring the DMA, wait
555 * up to 10ms for it to finish (typically takes <500us) */
556 for (retry = 0; retry < 100; ++retry) {
557 if (siena_try_update_nic_stats(efx) == 0)
562 /* Use the old values instead */
565 static void siena_start_nic_stats(struct efx_nic *efx)
567 __le64 *dma_stats = efx->stats_buffer.addr;
569 dma_stats[MC_CMD_MAC_GENERATION_END] = STATS_GENERATION_INVALID;
571 efx_mcdi_mac_stats(efx, efx->stats_buffer.dma_addr,
572 MC_CMD_MAC_NSTATS * sizeof(u64), 1, 0);
575 static void siena_stop_nic_stats(struct efx_nic *efx)
577 efx_mcdi_mac_stats(efx, efx->stats_buffer.dma_addr, 0, 0, 0);
580 static int siena_mac_reconfigure(struct efx_nic *efx)
582 MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_MCAST_HASH_IN_LEN);
585 BUILD_BUG_ON(MC_CMD_SET_MCAST_HASH_IN_LEN !=
586 MC_CMD_SET_MCAST_HASH_IN_HASH0_OFST +
587 sizeof(efx->multicast_hash));
589 WARN_ON(!mutex_is_locked(&efx->mac_lock));
591 rc = efx_mcdi_set_mac(efx);
595 memcpy(MCDI_PTR(inbuf, SET_MCAST_HASH_IN_HASH0),
596 efx->multicast_hash.byte, sizeof(efx->multicast_hash));
597 return efx_mcdi_rpc(efx, MC_CMD_SET_MCAST_HASH,
598 inbuf, sizeof(inbuf), NULL, 0, NULL);
601 /**************************************************************************
605 **************************************************************************
608 static void siena_get_wol(struct efx_nic *efx, struct ethtool_wolinfo *wol)
610 struct siena_nic_data *nic_data = efx->nic_data;
612 wol->supported = WAKE_MAGIC;
613 if (nic_data->wol_filter_id != -1)
614 wol->wolopts = WAKE_MAGIC;
617 memset(&wol->sopass, 0, sizeof(wol->sopass));
621 static int siena_set_wol(struct efx_nic *efx, u32 type)
623 struct siena_nic_data *nic_data = efx->nic_data;
626 if (type & ~WAKE_MAGIC)
629 if (type & WAKE_MAGIC) {
630 if (nic_data->wol_filter_id != -1)
631 efx_mcdi_wol_filter_remove(efx,
632 nic_data->wol_filter_id);
633 rc = efx_mcdi_wol_filter_set_magic(efx, efx->net_dev->dev_addr,
634 &nic_data->wol_filter_id);
638 pci_wake_from_d3(efx->pci_dev, true);
640 rc = efx_mcdi_wol_filter_reset(efx);
641 nic_data->wol_filter_id = -1;
642 pci_wake_from_d3(efx->pci_dev, false);
649 netif_err(efx, hw, efx->net_dev, "%s failed: type=%d rc=%d\n",
655 static void siena_init_wol(struct efx_nic *efx)
657 struct siena_nic_data *nic_data = efx->nic_data;
660 rc = efx_mcdi_wol_filter_get_magic(efx, &nic_data->wol_filter_id);
663 /* If it failed, attempt to get into a synchronised
664 * state with MC by resetting any set WoL filters */
665 efx_mcdi_wol_filter_reset(efx);
666 nic_data->wol_filter_id = -1;
667 } else if (nic_data->wol_filter_id != -1) {
668 pci_wake_from_d3(efx->pci_dev, true);
673 /**************************************************************************
675 * Revision-dependent attributes used by efx.c and nic.c
677 **************************************************************************
680 const struct efx_nic_type siena_a0_nic_type = {
681 .probe = siena_probe_nic,
682 .remove = siena_remove_nic,
683 .init = siena_init_nic,
684 .dimension_resources = siena_dimension_resources,
685 .fini = efx_port_dummy_op_void,
687 .monitor = siena_monitor,
691 .map_reset_reason = efx_mcdi_map_reset_reason,
692 .map_reset_flags = siena_map_reset_flags,
693 .reset = efx_mcdi_reset,
694 .probe_port = siena_probe_port,
695 .remove_port = siena_remove_port,
696 .prepare_flush = siena_prepare_flush,
697 .finish_flush = siena_finish_flush,
698 .update_stats = siena_update_nic_stats,
699 .start_stats = siena_start_nic_stats,
700 .stop_stats = siena_stop_nic_stats,
701 .set_id_led = efx_mcdi_set_id_led,
702 .push_irq_moderation = siena_push_irq_moderation,
703 .reconfigure_mac = siena_mac_reconfigure,
704 .check_mac_fault = efx_mcdi_mac_check_fault,
705 .reconfigure_port = efx_mcdi_phy_reconfigure,
706 .get_wol = siena_get_wol,
707 .set_wol = siena_set_wol,
708 .resume_wol = siena_init_wol,
709 .test_chip = siena_test_chip,
710 .test_nvram = efx_mcdi_nvram_test_all,
712 .revision = EFX_REV_SIENA_A0,
713 .mem_map_size = (FR_CZ_MC_TREG_SMEM +
714 FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS),
715 .txd_ptr_tbl_base = FR_BZ_TX_DESC_PTR_TBL,
716 .rxd_ptr_tbl_base = FR_BZ_RX_DESC_PTR_TBL,
717 .buf_tbl_base = FR_BZ_BUF_FULL_TBL,
718 .evq_ptr_tbl_base = FR_BZ_EVQ_PTR_TBL,
719 .evq_rptr_tbl_base = FR_BZ_EVQ_RPTR,
720 .max_dma_mask = DMA_BIT_MASK(FSF_AZ_TX_KER_BUF_ADDR_WIDTH),
721 .rx_buffer_hash_size = 0x10,
722 .rx_buffer_padding = 0,
723 .can_rx_scatter = true,
724 .max_interrupt_mode = EFX_INT_MODE_MSIX,
725 .phys_addr_channels = 32, /* Hardware limit is 64, but the legacy
726 * interrupt handler only supports 32
728 .timer_period_max = 1 << FRF_CZ_TC_TIMER_VAL_WIDTH,
729 .offload_features = (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
730 NETIF_F_RXHASH | NETIF_F_NTUPLE),