1 // SPDX-License-Identifier: GPL-2.0-only
2 /****************************************************************************
3 * Driver for Solarflare network controllers and boards
4 * Copyright 2018 Solarflare Communications Inc.
5 * Copyright 2019-2020 Xilinx Inc.
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published
9 * by the Free Software Foundation, incorporated herein by reference.
12 #include "ef100_nic.h"
13 #include "efx_common.h"
14 #include "efx_channels.h"
17 #include "ef100_regs.h"
19 #include "mcdi_pcol.h"
20 #include "mcdi_port_common.h"
21 #include "mcdi_functions.h"
22 #include "mcdi_filters.h"
25 #include "ef100_netdev.h"
27 #define EF100_MAX_VIS 4096
28 #define EF100_NUM_MCDI_BUFFERS 1
29 #define MCDI_BUF_LEN (8 + MCDI_CTL_SDU_LEN_MAX)
31 #define EF100_RESET_PORT ((ETH_RESET_MAC | ETH_RESET_PHY) << ETH_RESET_SHARED_SHIFT)
35 static u8 *ef100_mcdi_buf(struct efx_nic *efx, u8 bufid, dma_addr_t *dma_addr)
37 struct ef100_nic_data *nic_data = efx->nic_data;
40 *dma_addr = nic_data->mcdi_buf.dma_addr +
41 bufid * ALIGN(MCDI_BUF_LEN, 256);
42 return nic_data->mcdi_buf.addr + bufid * ALIGN(MCDI_BUF_LEN, 256);
45 static int ef100_get_warm_boot_count(struct efx_nic *efx)
49 efx_readd(efx, ®, efx_reg(efx, ER_GZ_MC_SFT_STATUS));
51 if (EFX_DWORD_FIELD(reg, EFX_DWORD_0) == 0xffffffff) {
52 netif_err(efx, hw, efx->net_dev, "Hardware unavailable\n");
53 efx->state = STATE_DISABLED;
56 return EFX_DWORD_FIELD(reg, EFX_WORD_1) == 0xb007 ?
57 EFX_DWORD_FIELD(reg, EFX_WORD_0) : -EIO;
61 static void ef100_mcdi_request(struct efx_nic *efx,
62 const efx_dword_t *hdr, size_t hdr_len,
63 const efx_dword_t *sdu, size_t sdu_len)
66 u8 *pdu = ef100_mcdi_buf(efx, 0, &dma_addr);
68 memcpy(pdu, hdr, hdr_len);
69 memcpy(pdu + hdr_len, sdu, sdu_len);
72 /* The hardware provides 'low' and 'high' (doorbell) registers
73 * for passing the 64-bit address of an MCDI request to
74 * firmware. However the dwords are swapped by firmware. The
75 * least significant bits of the doorbell are then 0 for all
76 * MCDI requests due to alignment.
78 _efx_writed(efx, cpu_to_le32((u64)dma_addr >> 32), efx_reg(efx, ER_GZ_MC_DB_LWRD));
79 _efx_writed(efx, cpu_to_le32((u32)dma_addr), efx_reg(efx, ER_GZ_MC_DB_HWRD));
82 static bool ef100_mcdi_poll_response(struct efx_nic *efx)
84 const efx_dword_t hdr =
85 *(const efx_dword_t *)(ef100_mcdi_buf(efx, 0, NULL));
88 return EFX_DWORD_FIELD(hdr, MCDI_HEADER_RESPONSE);
91 static void ef100_mcdi_read_response(struct efx_nic *efx,
92 efx_dword_t *outbuf, size_t offset,
95 const u8 *pdu = ef100_mcdi_buf(efx, 0, NULL);
97 memcpy(outbuf, pdu + offset, outlen);
100 static int ef100_mcdi_poll_reboot(struct efx_nic *efx)
102 struct ef100_nic_data *nic_data = efx->nic_data;
105 rc = ef100_get_warm_boot_count(efx);
107 /* The firmware is presumably in the process of
108 * rebooting. However, we are supposed to report each
109 * reboot just once, so we must only do that once we
110 * can read and store the updated warm boot count.
115 if (rc == nic_data->warm_boot_count)
118 nic_data->warm_boot_count = rc;
123 static void ef100_mcdi_reboot_detected(struct efx_nic *efx)
129 static int ef100_get_mac_address(struct efx_nic *efx, u8 *mac_address)
131 MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_MAC_ADDRESSES_OUT_LEN);
135 BUILD_BUG_ON(MC_CMD_GET_MAC_ADDRESSES_IN_LEN != 0);
137 rc = efx_mcdi_rpc(efx, MC_CMD_GET_MAC_ADDRESSES, NULL, 0,
138 outbuf, sizeof(outbuf), &outlen);
141 if (outlen < MC_CMD_GET_MAC_ADDRESSES_OUT_LEN)
144 ether_addr_copy(mac_address,
145 MCDI_PTR(outbuf, GET_MAC_ADDRESSES_OUT_MAC_ADDR_BASE));
149 static int efx_ef100_init_datapath_caps(struct efx_nic *efx)
151 MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_CAPABILITIES_V7_OUT_LEN);
152 struct ef100_nic_data *nic_data = efx->nic_data;
157 BUILD_BUG_ON(MC_CMD_GET_CAPABILITIES_IN_LEN != 0);
159 rc = efx_mcdi_rpc(efx, MC_CMD_GET_CAPABILITIES, NULL, 0,
160 outbuf, sizeof(outbuf), &outlen);
163 if (outlen < MC_CMD_GET_CAPABILITIES_V4_OUT_LEN) {
164 netif_err(efx, drv, efx->net_dev,
165 "unable to read datapath firmware capabilities\n");
169 nic_data->datapath_caps = MCDI_DWORD(outbuf,
170 GET_CAPABILITIES_OUT_FLAGS1);
171 nic_data->datapath_caps2 = MCDI_DWORD(outbuf,
172 GET_CAPABILITIES_V2_OUT_FLAGS2);
173 if (outlen < MC_CMD_GET_CAPABILITIES_V7_OUT_LEN)
174 nic_data->datapath_caps3 = 0;
176 nic_data->datapath_caps3 = MCDI_DWORD(outbuf,
177 GET_CAPABILITIES_V7_OUT_FLAGS3);
179 vi_window_mode = MCDI_BYTE(outbuf,
180 GET_CAPABILITIES_V3_OUT_VI_WINDOW_MODE);
181 rc = efx_mcdi_window_mode_to_stride(efx, vi_window_mode);
185 if (efx_ef100_has_cap(nic_data->datapath_caps2, TX_TSO_V3))
186 efx->net_dev->features |= NETIF_F_TSO | NETIF_F_TSO6;
187 efx->num_mac_stats = MCDI_WORD(outbuf,
188 GET_CAPABILITIES_V4_OUT_MAC_STATS_NUM_STATS);
189 netif_dbg(efx, probe, efx->net_dev,
190 "firmware reports num_mac_stats = %u\n",
197 static int ef100_ev_probe(struct efx_channel *channel)
199 /* Allocate an extra descriptor for the QMDA status completion entry */
200 return efx_nic_alloc_buffer(channel->efx, &channel->eventq.buf,
201 (channel->eventq_mask + 2) *
206 static int ef100_ev_init(struct efx_channel *channel)
208 struct ef100_nic_data *nic_data = channel->efx->nic_data;
210 /* initial phase is 0 */
211 clear_bit(channel->channel, nic_data->evq_phases);
213 return efx_mcdi_ev_init(channel, false, false);
216 static void ef100_ev_read_ack(struct efx_channel *channel)
218 efx_dword_t evq_prime;
220 EFX_POPULATE_DWORD_2(evq_prime,
221 ERF_GZ_EVQ_ID, channel->channel,
222 ERF_GZ_IDX, channel->eventq_read_ptr &
223 channel->eventq_mask);
225 efx_writed(channel->efx, &evq_prime,
226 efx_reg(channel->efx, ER_GZ_EVQ_INT_PRIME));
229 static int ef100_ev_process(struct efx_channel *channel, int quota)
231 struct efx_nic *efx = channel->efx;
232 struct ef100_nic_data *nic_data;
233 bool evq_phase, old_evq_phase;
234 unsigned int read_ptr;
235 efx_qword_t *p_event;
240 if (unlikely(!channel->enabled))
243 nic_data = efx->nic_data;
244 evq_phase = test_bit(channel->channel, nic_data->evq_phases);
245 old_evq_phase = evq_phase;
246 read_ptr = channel->eventq_read_ptr;
247 BUILD_BUG_ON(ESF_GZ_EV_RXPKTS_PHASE_LBN != ESF_GZ_EV_TXCMPL_PHASE_LBN);
249 while (spent < quota) {
250 p_event = efx_event(channel, read_ptr);
252 ev_phase = !!EFX_QWORD_FIELD(*p_event, ESF_GZ_EV_RXPKTS_PHASE);
253 if (ev_phase != evq_phase)
256 netif_vdbg(efx, drv, efx->net_dev,
257 "processing event on %d " EFX_QWORD_FMT "\n",
258 channel->channel, EFX_QWORD_VAL(*p_event));
260 ev_type = EFX_QWORD_FIELD(*p_event, ESF_GZ_E_TYPE);
263 case ESE_GZ_EF100_EV_RX_PKTS:
264 efx_ef100_ev_rx(channel, p_event);
267 case ESE_GZ_EF100_EV_MCDI:
268 efx_mcdi_process_event(channel, p_event);
270 case ESE_GZ_EF100_EV_TX_COMPLETION:
271 ef100_ev_tx(channel, p_event);
273 case ESE_GZ_EF100_EV_DRIVER:
274 netif_info(efx, drv, efx->net_dev,
275 "Driver initiated event " EFX_QWORD_FMT "\n",
276 EFX_QWORD_VAL(*p_event));
279 netif_info(efx, drv, efx->net_dev,
280 "Unhandled event " EFX_QWORD_FMT "\n",
281 EFX_QWORD_VAL(*p_event));
285 if ((read_ptr & channel->eventq_mask) == 0)
286 evq_phase = !evq_phase;
289 channel->eventq_read_ptr = read_ptr;
290 if (evq_phase != old_evq_phase)
291 change_bit(channel->channel, nic_data->evq_phases);
296 static irqreturn_t ef100_msi_interrupt(int irq, void *dev_id)
298 struct efx_msi_context *context = dev_id;
299 struct efx_nic *efx = context->efx;
301 netif_vdbg(efx, intr, efx->net_dev,
302 "IRQ %d on CPU %d\n", irq, raw_smp_processor_id());
304 if (likely(READ_ONCE(efx->irq_soft_enabled))) {
305 /* Note test interrupts */
306 if (context->index == efx->irq_level)
307 efx->last_irq_cpu = raw_smp_processor_id();
309 /* Schedule processing of the channel */
310 efx_schedule_channel_irq(efx->channel[context->index]);
316 static int ef100_phy_probe(struct efx_nic *efx)
318 struct efx_mcdi_phy_data *phy_data;
321 /* Probe for the PHY */
322 efx->phy_data = kzalloc(sizeof(struct efx_mcdi_phy_data), GFP_KERNEL);
326 rc = efx_mcdi_get_phy_cfg(efx, efx->phy_data);
330 /* Populate driver and ethtool settings */
331 phy_data = efx->phy_data;
332 mcdi_to_ethtool_linkset(phy_data->media, phy_data->supported_cap,
333 efx->link_advertising);
334 efx->fec_config = mcdi_fec_caps_to_ethtool(phy_data->supported_cap,
337 /* Default to Autonegotiated flow control if the PHY supports it */
338 efx->wanted_fc = EFX_FC_RX | EFX_FC_TX;
339 if (phy_data->supported_cap & (1 << MC_CMD_PHY_CAP_AN_LBN))
340 efx->wanted_fc |= EFX_FC_AUTO;
341 efx_link_set_wanted_fc(efx, efx->wanted_fc);
343 /* Push settings to the PHY. Failure is not fatal, the user can try to
344 * fix it using ethtool.
346 rc = efx_mcdi_port_reconfigure(efx);
347 if (rc && rc != -EPERM)
348 netif_warn(efx, drv, efx->net_dev,
349 "could not initialise PHY settings\n");
354 static int ef100_filter_table_probe(struct efx_nic *efx)
356 return efx_mcdi_filter_table_probe(efx, true);
359 static int ef100_filter_table_up(struct efx_nic *efx)
363 rc = efx_mcdi_filter_add_vlan(efx, EFX_FILTER_VID_UNSPEC);
365 efx_mcdi_filter_table_down(efx);
369 rc = efx_mcdi_filter_add_vlan(efx, 0);
371 efx_mcdi_filter_del_vlan(efx, EFX_FILTER_VID_UNSPEC);
372 efx_mcdi_filter_table_down(efx);
378 static void ef100_filter_table_down(struct efx_nic *efx)
380 efx_mcdi_filter_del_vlan(efx, 0);
381 efx_mcdi_filter_del_vlan(efx, EFX_FILTER_VID_UNSPEC);
382 efx_mcdi_filter_table_down(efx);
387 static int ef100_reconfigure_mac(struct efx_nic *efx, bool mtu_only)
389 WARN_ON(!mutex_is_locked(&efx->mac_lock));
391 efx_mcdi_filter_sync_rx_mode(efx);
393 if (mtu_only && efx_has_cap(efx, SET_MAC_ENHANCED))
394 return efx_mcdi_set_mtu(efx);
395 return efx_mcdi_set_mac(efx);
398 static enum reset_type ef100_map_reset_reason(enum reset_type reason)
400 if (reason == RESET_TYPE_TX_WATCHDOG)
402 return RESET_TYPE_DISABLE;
405 static int ef100_map_reset_flags(u32 *flags)
407 /* Only perform a RESET_TYPE_ALL because we don't support MC_REBOOTs */
408 if ((*flags & EF100_RESET_PORT)) {
409 *flags &= ~EF100_RESET_PORT;
410 return RESET_TYPE_ALL;
412 if (*flags & ETH_RESET_MGMT) {
413 *flags &= ~ETH_RESET_MGMT;
414 return RESET_TYPE_DISABLE;
420 static int ef100_reset(struct efx_nic *efx, enum reset_type reset_type)
424 dev_close(efx->net_dev);
426 if (reset_type == RESET_TYPE_TX_WATCHDOG) {
427 netif_device_attach(efx->net_dev);
428 __clear_bit(reset_type, &efx->reset_pending);
429 rc = dev_open(efx->net_dev, NULL);
430 } else if (reset_type == RESET_TYPE_ALL) {
431 /* A RESET_TYPE_ALL will cause filters to be removed, so we remove filters
432 * and reprobe after reset to avoid removing filters twice
434 down_write(&efx->filter_sem);
435 ef100_filter_table_down(efx);
436 up_write(&efx->filter_sem);
437 rc = efx_mcdi_reset(efx, reset_type);
441 netif_device_attach(efx->net_dev);
443 down_write(&efx->filter_sem);
444 rc = ef100_filter_table_up(efx);
445 up_write(&efx->filter_sem);
449 rc = dev_open(efx->net_dev, NULL);
451 rc = 1; /* Leave the device closed */
456 static void ef100_common_stat_mask(unsigned long *mask)
458 __set_bit(EF100_STAT_port_rx_packets, mask);
459 __set_bit(EF100_STAT_port_tx_packets, mask);
460 __set_bit(EF100_STAT_port_rx_bytes, mask);
461 __set_bit(EF100_STAT_port_tx_bytes, mask);
462 __set_bit(EF100_STAT_port_rx_multicast, mask);
463 __set_bit(EF100_STAT_port_rx_bad, mask);
464 __set_bit(EF100_STAT_port_rx_align_error, mask);
465 __set_bit(EF100_STAT_port_rx_overflow, mask);
468 static void ef100_ethtool_stat_mask(unsigned long *mask)
470 __set_bit(EF100_STAT_port_tx_pause, mask);
471 __set_bit(EF100_STAT_port_tx_unicast, mask);
472 __set_bit(EF100_STAT_port_tx_multicast, mask);
473 __set_bit(EF100_STAT_port_tx_broadcast, mask);
474 __set_bit(EF100_STAT_port_tx_lt64, mask);
475 __set_bit(EF100_STAT_port_tx_64, mask);
476 __set_bit(EF100_STAT_port_tx_65_to_127, mask);
477 __set_bit(EF100_STAT_port_tx_128_to_255, mask);
478 __set_bit(EF100_STAT_port_tx_256_to_511, mask);
479 __set_bit(EF100_STAT_port_tx_512_to_1023, mask);
480 __set_bit(EF100_STAT_port_tx_1024_to_15xx, mask);
481 __set_bit(EF100_STAT_port_tx_15xx_to_jumbo, mask);
482 __set_bit(EF100_STAT_port_rx_good, mask);
483 __set_bit(EF100_STAT_port_rx_pause, mask);
484 __set_bit(EF100_STAT_port_rx_unicast, mask);
485 __set_bit(EF100_STAT_port_rx_broadcast, mask);
486 __set_bit(EF100_STAT_port_rx_lt64, mask);
487 __set_bit(EF100_STAT_port_rx_64, mask);
488 __set_bit(EF100_STAT_port_rx_65_to_127, mask);
489 __set_bit(EF100_STAT_port_rx_128_to_255, mask);
490 __set_bit(EF100_STAT_port_rx_256_to_511, mask);
491 __set_bit(EF100_STAT_port_rx_512_to_1023, mask);
492 __set_bit(EF100_STAT_port_rx_1024_to_15xx, mask);
493 __set_bit(EF100_STAT_port_rx_15xx_to_jumbo, mask);
494 __set_bit(EF100_STAT_port_rx_gtjumbo, mask);
495 __set_bit(EF100_STAT_port_rx_bad_gtjumbo, mask);
496 __set_bit(EF100_STAT_port_rx_length_error, mask);
497 __set_bit(EF100_STAT_port_rx_nodesc_drops, mask);
498 __set_bit(GENERIC_STAT_rx_nodesc_trunc, mask);
499 __set_bit(GENERIC_STAT_rx_noskb_drops, mask);
502 #define EF100_DMA_STAT(ext_name, mcdi_name) \
503 [EF100_STAT_ ## ext_name] = \
504 { #ext_name, 64, 8 * MC_CMD_MAC_ ## mcdi_name }
506 static const struct efx_hw_stat_desc ef100_stat_desc[EF100_STAT_COUNT] = {
507 EF100_DMA_STAT(port_tx_bytes, TX_BYTES),
508 EF100_DMA_STAT(port_tx_packets, TX_PKTS),
509 EF100_DMA_STAT(port_tx_pause, TX_PAUSE_PKTS),
510 EF100_DMA_STAT(port_tx_unicast, TX_UNICAST_PKTS),
511 EF100_DMA_STAT(port_tx_multicast, TX_MULTICAST_PKTS),
512 EF100_DMA_STAT(port_tx_broadcast, TX_BROADCAST_PKTS),
513 EF100_DMA_STAT(port_tx_lt64, TX_LT64_PKTS),
514 EF100_DMA_STAT(port_tx_64, TX_64_PKTS),
515 EF100_DMA_STAT(port_tx_65_to_127, TX_65_TO_127_PKTS),
516 EF100_DMA_STAT(port_tx_128_to_255, TX_128_TO_255_PKTS),
517 EF100_DMA_STAT(port_tx_256_to_511, TX_256_TO_511_PKTS),
518 EF100_DMA_STAT(port_tx_512_to_1023, TX_512_TO_1023_PKTS),
519 EF100_DMA_STAT(port_tx_1024_to_15xx, TX_1024_TO_15XX_PKTS),
520 EF100_DMA_STAT(port_tx_15xx_to_jumbo, TX_15XX_TO_JUMBO_PKTS),
521 EF100_DMA_STAT(port_rx_bytes, RX_BYTES),
522 EF100_DMA_STAT(port_rx_packets, RX_PKTS),
523 EF100_DMA_STAT(port_rx_good, RX_GOOD_PKTS),
524 EF100_DMA_STAT(port_rx_bad, RX_BAD_FCS_PKTS),
525 EF100_DMA_STAT(port_rx_pause, RX_PAUSE_PKTS),
526 EF100_DMA_STAT(port_rx_unicast, RX_UNICAST_PKTS),
527 EF100_DMA_STAT(port_rx_multicast, RX_MULTICAST_PKTS),
528 EF100_DMA_STAT(port_rx_broadcast, RX_BROADCAST_PKTS),
529 EF100_DMA_STAT(port_rx_lt64, RX_UNDERSIZE_PKTS),
530 EF100_DMA_STAT(port_rx_64, RX_64_PKTS),
531 EF100_DMA_STAT(port_rx_65_to_127, RX_65_TO_127_PKTS),
532 EF100_DMA_STAT(port_rx_128_to_255, RX_128_TO_255_PKTS),
533 EF100_DMA_STAT(port_rx_256_to_511, RX_256_TO_511_PKTS),
534 EF100_DMA_STAT(port_rx_512_to_1023, RX_512_TO_1023_PKTS),
535 EF100_DMA_STAT(port_rx_1024_to_15xx, RX_1024_TO_15XX_PKTS),
536 EF100_DMA_STAT(port_rx_15xx_to_jumbo, RX_15XX_TO_JUMBO_PKTS),
537 EF100_DMA_STAT(port_rx_gtjumbo, RX_GTJUMBO_PKTS),
538 EF100_DMA_STAT(port_rx_bad_gtjumbo, RX_JABBER_PKTS),
539 EF100_DMA_STAT(port_rx_align_error, RX_ALIGN_ERROR_PKTS),
540 EF100_DMA_STAT(port_rx_length_error, RX_LENGTH_ERROR_PKTS),
541 EF100_DMA_STAT(port_rx_overflow, RX_OVERFLOW_PKTS),
542 EF100_DMA_STAT(port_rx_nodesc_drops, RX_NODESC_DROPS),
543 EFX_GENERIC_SW_STAT(rx_nodesc_trunc),
544 EFX_GENERIC_SW_STAT(rx_noskb_drops),
547 static size_t ef100_describe_stats(struct efx_nic *efx, u8 *names)
549 DECLARE_BITMAP(mask, EF100_STAT_COUNT) = {};
551 ef100_ethtool_stat_mask(mask);
552 return efx_nic_describe_stats(ef100_stat_desc, EF100_STAT_COUNT,
556 static size_t ef100_update_stats_common(struct efx_nic *efx, u64 *full_stats,
557 struct rtnl_link_stats64 *core_stats)
559 struct ef100_nic_data *nic_data = efx->nic_data;
560 DECLARE_BITMAP(mask, EF100_STAT_COUNT) = {};
561 size_t stats_count = 0, index;
562 u64 *stats = nic_data->stats;
564 ef100_ethtool_stat_mask(mask);
567 for_each_set_bit(index, mask, EF100_STAT_COUNT) {
568 if (ef100_stat_desc[index].name) {
569 *full_stats++ = stats[index];
578 core_stats->rx_packets = stats[EF100_STAT_port_rx_packets];
579 core_stats->tx_packets = stats[EF100_STAT_port_tx_packets];
580 core_stats->rx_bytes = stats[EF100_STAT_port_rx_bytes];
581 core_stats->tx_bytes = stats[EF100_STAT_port_tx_bytes];
582 core_stats->rx_dropped = stats[EF100_STAT_port_rx_nodesc_drops] +
583 stats[GENERIC_STAT_rx_nodesc_trunc] +
584 stats[GENERIC_STAT_rx_noskb_drops];
585 core_stats->multicast = stats[EF100_STAT_port_rx_multicast];
586 core_stats->rx_length_errors =
587 stats[EF100_STAT_port_rx_gtjumbo] +
588 stats[EF100_STAT_port_rx_length_error];
589 core_stats->rx_crc_errors = stats[EF100_STAT_port_rx_bad];
590 core_stats->rx_frame_errors =
591 stats[EF100_STAT_port_rx_align_error];
592 core_stats->rx_fifo_errors = stats[EF100_STAT_port_rx_overflow];
593 core_stats->rx_errors = (core_stats->rx_length_errors +
594 core_stats->rx_crc_errors +
595 core_stats->rx_frame_errors);
600 static size_t ef100_update_stats(struct efx_nic *efx,
602 struct rtnl_link_stats64 *core_stats)
604 __le64 *mc_stats = kmalloc(array_size(efx->num_mac_stats, sizeof(__le64)), GFP_ATOMIC);
605 struct ef100_nic_data *nic_data = efx->nic_data;
606 DECLARE_BITMAP(mask, EF100_STAT_COUNT) = {};
607 u64 *stats = nic_data->stats;
609 ef100_common_stat_mask(mask);
610 ef100_ethtool_stat_mask(mask);
612 efx_nic_copy_stats(efx, mc_stats);
613 efx_nic_update_stats(ef100_stat_desc, EF100_STAT_COUNT, mask,
614 stats, mc_stats, false);
618 return ef100_update_stats_common(efx, full_stats, core_stats);
621 static int efx_ef100_get_phys_port_id(struct efx_nic *efx,
622 struct netdev_phys_item_id *ppid)
624 struct ef100_nic_data *nic_data = efx->nic_data;
626 if (!is_valid_ether_addr(nic_data->port_id))
629 ppid->id_len = ETH_ALEN;
630 memcpy(ppid->id, nic_data->port_id, ppid->id_len);
635 static int efx_ef100_irq_test_generate(struct efx_nic *efx)
637 MCDI_DECLARE_BUF(inbuf, MC_CMD_TRIGGER_INTERRUPT_IN_LEN);
639 BUILD_BUG_ON(MC_CMD_TRIGGER_INTERRUPT_OUT_LEN != 0);
641 MCDI_SET_DWORD(inbuf, TRIGGER_INTERRUPT_IN_INTR_LEVEL, efx->irq_level);
642 return efx_mcdi_rpc_quiet(efx, MC_CMD_TRIGGER_INTERRUPT,
643 inbuf, sizeof(inbuf), NULL, 0, NULL);
646 #define EFX_EF100_TEST 1
648 static void efx_ef100_ev_test_generate(struct efx_channel *channel)
650 MCDI_DECLARE_BUF(inbuf, MC_CMD_DRIVER_EVENT_IN_LEN);
651 struct efx_nic *efx = channel->efx;
655 EFX_POPULATE_QWORD_2(event,
656 ESF_GZ_E_TYPE, ESE_GZ_EF100_EV_DRIVER,
657 ESF_GZ_DRIVER_DATA, EFX_EF100_TEST);
659 MCDI_SET_DWORD(inbuf, DRIVER_EVENT_IN_EVQ, channel->channel);
661 /* MCDI_SET_QWORD is not appropriate here since EFX_POPULATE_* has
662 * already swapped the data to little-endian order.
664 memcpy(MCDI_PTR(inbuf, DRIVER_EVENT_IN_DATA), &event.u64[0],
665 sizeof(efx_qword_t));
667 rc = efx_mcdi_rpc(efx, MC_CMD_DRIVER_EVENT, inbuf, sizeof(inbuf),
669 if (rc && (rc != -ENETDOWN))
676 netif_err(efx, hw, efx->net_dev, "%s: failed rc=%d\n", __func__, rc);
679 static unsigned int ef100_check_caps(const struct efx_nic *efx,
682 const struct ef100_nic_data *nic_data = efx->nic_data;
685 case MC_CMD_GET_CAPABILITIES_V8_OUT_FLAGS1_OFST:
686 return nic_data->datapath_caps & BIT_ULL(flag);
687 case MC_CMD_GET_CAPABILITIES_V8_OUT_FLAGS2_OFST:
688 return nic_data->datapath_caps2 & BIT_ULL(flag);
689 case MC_CMD_GET_CAPABILITIES_V8_OUT_FLAGS3_OFST:
690 return nic_data->datapath_caps3 & BIT_ULL(flag);
696 /* NIC level access functions
698 #define EF100_OFFLOAD_FEATURES (NETIF_F_HW_CSUM | NETIF_F_RXCSUM | \
699 NETIF_F_HIGHDMA | NETIF_F_SG | NETIF_F_FRAGLIST | \
700 NETIF_F_RXHASH | NETIF_F_RXFCS | NETIF_F_TSO_ECN | NETIF_F_RXALL | \
701 NETIF_F_TSO_MANGLEID | NETIF_F_HW_VLAN_CTAG_TX)
703 const struct efx_nic_type ef100_pf_nic_type = {
704 .revision = EFX_REV_EF100,
706 .probe = ef100_probe_pf,
707 .offload_features = EF100_OFFLOAD_FEATURES,
709 .mcdi_request = ef100_mcdi_request,
710 .mcdi_poll_response = ef100_mcdi_poll_response,
711 .mcdi_read_response = ef100_mcdi_read_response,
712 .mcdi_poll_reboot = ef100_mcdi_poll_reboot,
713 .mcdi_reboot_detected = ef100_mcdi_reboot_detected,
714 .irq_enable_master = efx_port_dummy_op_void,
715 .irq_test_generate = efx_ef100_irq_test_generate,
716 .irq_disable_non_ev = efx_port_dummy_op_void,
717 .push_irq_moderation = efx_channel_dummy_op_void,
718 .min_interrupt_mode = EFX_INT_MODE_MSIX,
719 .map_reset_reason = ef100_map_reset_reason,
720 .map_reset_flags = ef100_map_reset_flags,
721 .reset = ef100_reset,
723 .check_caps = ef100_check_caps,
725 .ev_probe = ef100_ev_probe,
726 .ev_init = ef100_ev_init,
727 .ev_fini = efx_mcdi_ev_fini,
728 .ev_remove = efx_mcdi_ev_remove,
729 .irq_handle_msi = ef100_msi_interrupt,
730 .ev_process = ef100_ev_process,
731 .ev_read_ack = ef100_ev_read_ack,
732 .ev_test_generate = efx_ef100_ev_test_generate,
733 .tx_probe = ef100_tx_probe,
734 .tx_init = ef100_tx_init,
735 .tx_write = ef100_tx_write,
736 .tx_enqueue = ef100_enqueue_skb,
737 .rx_probe = efx_mcdi_rx_probe,
738 .rx_init = efx_mcdi_rx_init,
739 .rx_remove = efx_mcdi_rx_remove,
740 .rx_write = ef100_rx_write,
741 .rx_packet = __ef100_rx_packet,
742 .rx_buf_hash_valid = ef100_rx_buf_hash_valid,
743 .fini_dmaq = efx_fini_dmaq,
744 .max_rx_ip_filters = EFX_MCDI_FILTER_TBL_ROWS,
745 .filter_table_probe = ef100_filter_table_up,
746 .filter_table_restore = efx_mcdi_filter_table_restore,
747 .filter_table_remove = ef100_filter_table_down,
748 .filter_insert = efx_mcdi_filter_insert,
749 .filter_remove_safe = efx_mcdi_filter_remove_safe,
750 .filter_get_safe = efx_mcdi_filter_get_safe,
751 .filter_clear_rx = efx_mcdi_filter_clear_rx,
752 .filter_count_rx_used = efx_mcdi_filter_count_rx_used,
753 .filter_get_rx_id_limit = efx_mcdi_filter_get_rx_id_limit,
754 .filter_get_rx_ids = efx_mcdi_filter_get_rx_ids,
755 #ifdef CONFIG_RFS_ACCEL
756 .filter_rfs_expire_one = efx_mcdi_filter_rfs_expire_one,
759 .get_phys_port_id = efx_ef100_get_phys_port_id,
761 .rx_prefix_size = ESE_GZ_RX_PKT_PREFIX_LEN,
762 .rx_hash_offset = ESF_GZ_RX_PREFIX_RSS_HASH_LBN / 8,
763 .rx_ts_offset = ESF_GZ_RX_PREFIX_PARTIAL_TSTAMP_LBN / 8,
764 .rx_hash_key_size = 40,
765 .rx_pull_rss_config = efx_mcdi_rx_pull_rss_config,
766 .rx_push_rss_config = efx_mcdi_pf_rx_push_rss_config,
767 .rx_push_rss_context_config = efx_mcdi_rx_push_rss_context_config,
768 .rx_pull_rss_context_config = efx_mcdi_rx_pull_rss_context_config,
769 .rx_restore_rss_contexts = efx_mcdi_rx_restore_rss_contexts,
771 .reconfigure_mac = ef100_reconfigure_mac,
772 .test_nvram = efx_new_mcdi_nvram_test_all,
773 .describe_stats = ef100_describe_stats,
774 .start_stats = efx_mcdi_mac_start_stats,
775 .update_stats = ef100_update_stats,
776 .pull_stats = efx_mcdi_mac_pull_stats,
777 .stop_stats = efx_mcdi_mac_stop_stats,
779 /* Per-type bar/size configuration not used on ef100. Location of
780 * registers is defined by extended capabilities.
783 .mem_map_size = NULL,
787 const struct efx_nic_type ef100_vf_nic_type = {
788 .revision = EFX_REV_EF100,
790 .probe = ef100_probe_vf,
791 .offload_features = EF100_OFFLOAD_FEATURES,
793 .mcdi_request = ef100_mcdi_request,
794 .mcdi_poll_response = ef100_mcdi_poll_response,
795 .mcdi_read_response = ef100_mcdi_read_response,
796 .mcdi_poll_reboot = ef100_mcdi_poll_reboot,
797 .mcdi_reboot_detected = ef100_mcdi_reboot_detected,
798 .irq_enable_master = efx_port_dummy_op_void,
799 .irq_test_generate = efx_ef100_irq_test_generate,
800 .irq_disable_non_ev = efx_port_dummy_op_void,
801 .push_irq_moderation = efx_channel_dummy_op_void,
802 .min_interrupt_mode = EFX_INT_MODE_MSIX,
803 .map_reset_reason = ef100_map_reset_reason,
804 .map_reset_flags = ef100_map_reset_flags,
805 .reset = ef100_reset,
806 .check_caps = ef100_check_caps,
807 .ev_probe = ef100_ev_probe,
808 .ev_init = ef100_ev_init,
809 .ev_fini = efx_mcdi_ev_fini,
810 .ev_remove = efx_mcdi_ev_remove,
811 .irq_handle_msi = ef100_msi_interrupt,
812 .ev_process = ef100_ev_process,
813 .ev_read_ack = ef100_ev_read_ack,
814 .ev_test_generate = efx_ef100_ev_test_generate,
815 .tx_probe = ef100_tx_probe,
816 .tx_init = ef100_tx_init,
817 .tx_write = ef100_tx_write,
818 .tx_enqueue = ef100_enqueue_skb,
819 .rx_probe = efx_mcdi_rx_probe,
820 .rx_init = efx_mcdi_rx_init,
821 .rx_remove = efx_mcdi_rx_remove,
822 .rx_write = ef100_rx_write,
823 .rx_packet = __ef100_rx_packet,
824 .rx_buf_hash_valid = ef100_rx_buf_hash_valid,
825 .fini_dmaq = efx_fini_dmaq,
826 .max_rx_ip_filters = EFX_MCDI_FILTER_TBL_ROWS,
827 .filter_table_probe = ef100_filter_table_up,
828 .filter_table_restore = efx_mcdi_filter_table_restore,
829 .filter_table_remove = ef100_filter_table_down,
830 .filter_insert = efx_mcdi_filter_insert,
831 .filter_remove_safe = efx_mcdi_filter_remove_safe,
832 .filter_get_safe = efx_mcdi_filter_get_safe,
833 .filter_clear_rx = efx_mcdi_filter_clear_rx,
834 .filter_count_rx_used = efx_mcdi_filter_count_rx_used,
835 .filter_get_rx_id_limit = efx_mcdi_filter_get_rx_id_limit,
836 .filter_get_rx_ids = efx_mcdi_filter_get_rx_ids,
837 #ifdef CONFIG_RFS_ACCEL
838 .filter_rfs_expire_one = efx_mcdi_filter_rfs_expire_one,
841 .rx_prefix_size = ESE_GZ_RX_PKT_PREFIX_LEN,
842 .rx_hash_offset = ESF_GZ_RX_PREFIX_RSS_HASH_LBN / 8,
843 .rx_ts_offset = ESF_GZ_RX_PREFIX_PARTIAL_TSTAMP_LBN / 8,
844 .rx_hash_key_size = 40,
845 .rx_pull_rss_config = efx_mcdi_rx_pull_rss_config,
846 .rx_push_rss_config = efx_mcdi_pf_rx_push_rss_config,
847 .rx_restore_rss_contexts = efx_mcdi_rx_restore_rss_contexts,
849 .reconfigure_mac = ef100_reconfigure_mac,
850 .test_nvram = efx_new_mcdi_nvram_test_all,
851 .describe_stats = ef100_describe_stats,
852 .start_stats = efx_mcdi_mac_start_stats,
853 .update_stats = ef100_update_stats,
854 .pull_stats = efx_mcdi_mac_pull_stats,
855 .stop_stats = efx_mcdi_mac_stop_stats,
858 .mem_map_size = NULL,
862 static int compare_versions(const char *a, const char *b)
864 int a_major, a_minor, a_point, a_patch;
865 int b_major, b_minor, b_point, b_patch;
866 int a_matched, b_matched;
868 a_matched = sscanf(a, "%d.%d.%d.%d", &a_major, &a_minor, &a_point, &a_patch);
869 b_matched = sscanf(b, "%d.%d.%d.%d", &b_major, &b_minor, &b_point, &b_patch);
871 if (a_matched == 4 && b_matched != 4)
874 if (a_matched != 4 && b_matched == 4)
877 if (a_matched != 4 && b_matched != 4)
880 if (a_major != b_major)
881 return a_major - b_major;
883 if (a_minor != b_minor)
884 return a_minor - b_minor;
886 if (a_point != b_point)
887 return a_point - b_point;
889 return a_patch - b_patch;
892 enum ef100_tlv_state_machine {
899 struct ef100_tlv_state {
900 enum ef100_tlv_state_machine state;
907 static int ef100_tlv_feed(struct ef100_tlv_state *state, u8 byte)
909 switch (state->state) {
911 state->type = byte & 0x7f;
912 state->state = (byte & 0x80) ? EF100_TLV_TYPE_CONT
914 /* Clear ready to read in a new entry */
916 state->value_offset = 0;
918 case EF100_TLV_TYPE_CONT:
919 state->type |= byte << 7;
920 state->state = EF100_TLV_LENGTH;
922 case EF100_TLV_LENGTH:
924 /* We only handle TLVs that fit in a u64 */
925 if (state->len > sizeof(state->value))
927 /* len may be zero, implying a value of zero */
928 state->state = state->len ? EF100_TLV_VALUE : EF100_TLV_TYPE;
930 case EF100_TLV_VALUE:
931 state->value |= ((u64)byte) << (state->value_offset * 8);
932 state->value_offset++;
933 if (state->value_offset >= state->len)
934 state->state = EF100_TLV_TYPE;
936 default: /* state machine error, can't happen */
942 static int ef100_process_design_param(struct efx_nic *efx,
943 const struct ef100_tlv_state *reader)
945 struct ef100_nic_data *nic_data = efx->nic_data;
947 switch (reader->type) {
948 case ESE_EF100_DP_GZ_PAD: /* padding, skip it */
950 case ESE_EF100_DP_GZ_PARTIAL_TSTAMP_SUB_NANO_BITS:
951 /* Driver doesn't support timestamping yet, so we don't care */
953 case ESE_EF100_DP_GZ_EVQ_UNSOL_CREDIT_SEQ_BITS:
954 /* Driver doesn't support unsolicited-event credits yet, so
958 case ESE_EF100_DP_GZ_NMMU_GROUP_SIZE:
959 /* Driver doesn't manage the NMMU (so we don't care) */
961 case ESE_EF100_DP_GZ_RX_L4_CSUM_PROTOCOLS:
962 /* Driver uses CHECKSUM_COMPLETE, so we don't care about
963 * protocol checksum validation
966 case ESE_EF100_DP_GZ_TSO_MAX_HDR_LEN:
967 nic_data->tso_max_hdr_len = min_t(u64, reader->value, 0xffff);
969 case ESE_EF100_DP_GZ_TSO_MAX_HDR_NUM_SEGS:
970 /* We always put HDR_NUM_SEGS=1 in our TSO descriptors */
971 if (!reader->value) {
972 netif_err(efx, probe, efx->net_dev,
973 "TSO_MAX_HDR_NUM_SEGS < 1\n");
977 case ESE_EF100_DP_GZ_RXQ_SIZE_GRANULARITY:
978 case ESE_EF100_DP_GZ_TXQ_SIZE_GRANULARITY:
979 /* Our TXQ and RXQ sizes are always power-of-two and thus divisible by
980 * EFX_MIN_DMAQ_SIZE, so we just need to check that
981 * EFX_MIN_DMAQ_SIZE is divisible by GRANULARITY.
982 * This is very unlikely to fail.
984 if (!reader->value || reader->value > EFX_MIN_DMAQ_SIZE ||
985 EFX_MIN_DMAQ_SIZE % (u32)reader->value) {
986 netif_err(efx, probe, efx->net_dev,
987 "%s size granularity is %llu, can't guarantee safety\n",
988 reader->type == ESE_EF100_DP_GZ_RXQ_SIZE_GRANULARITY ? "RXQ" : "TXQ",
993 case ESE_EF100_DP_GZ_TSO_MAX_PAYLOAD_LEN:
994 nic_data->tso_max_payload_len = min_t(u64, reader->value, GSO_MAX_SIZE);
995 efx->net_dev->gso_max_size = nic_data->tso_max_payload_len;
997 case ESE_EF100_DP_GZ_TSO_MAX_PAYLOAD_NUM_SEGS:
998 nic_data->tso_max_payload_num_segs = min_t(u64, reader->value, 0xffff);
999 efx->net_dev->gso_max_segs = nic_data->tso_max_payload_num_segs;
1001 case ESE_EF100_DP_GZ_TSO_MAX_NUM_FRAMES:
1002 nic_data->tso_max_frames = min_t(u64, reader->value, 0xffff);
1004 case ESE_EF100_DP_GZ_COMPAT:
1005 if (reader->value) {
1006 netif_err(efx, probe, efx->net_dev,
1007 "DP_COMPAT has unknown bits %#llx, driver not compatible with this hw\n",
1012 case ESE_EF100_DP_GZ_MEM2MEM_MAX_LEN:
1013 /* Driver doesn't use mem2mem transfers */
1015 case ESE_EF100_DP_GZ_EVQ_TIMER_TICK_NANOS:
1016 /* Driver doesn't currently use EVQ_TIMER */
1018 case ESE_EF100_DP_GZ_NMMU_PAGE_SIZES:
1019 /* Driver doesn't manage the NMMU (so we don't care) */
1021 case ESE_EF100_DP_GZ_VI_STRIDES:
1022 /* We never try to set the VI stride, and we don't rely on
1023 * being able to find VIs past VI 0 until after we've learned
1024 * the current stride from MC_CMD_GET_CAPABILITIES.
1025 * So the value of this shouldn't matter.
1027 if (reader->value != ESE_EF100_DP_GZ_VI_STRIDES_DEFAULT)
1028 netif_dbg(efx, probe, efx->net_dev,
1029 "NIC has other than default VI_STRIDES (mask "
1030 "%#llx), early probing might use wrong one\n",
1033 case ESE_EF100_DP_GZ_RX_MAX_RUNT:
1034 /* Driver doesn't look at L2_STATUS:LEN_ERR bit, so we don't
1035 * care whether it indicates runt or overlength for any given
1036 * packet, so we don't care about this parameter.
1040 /* Host interface says "Drivers should ignore design parameters
1041 * that they do not recognise."
1043 netif_dbg(efx, probe, efx->net_dev,
1044 "Ignoring unrecognised design parameter %u\n",
1050 static int ef100_check_design_params(struct efx_nic *efx)
1052 struct ef100_tlv_state reader = {};
1053 u32 total_len, offset = 0;
1058 efx_readd(efx, ®, ER_GZ_PARAMS_TLV_LEN);
1059 total_len = EFX_DWORD_FIELD(reg, EFX_DWORD_0);
1060 netif_dbg(efx, probe, efx->net_dev, "%u bytes of design parameters\n",
1062 while (offset < total_len) {
1063 efx_readd(efx, ®, ER_GZ_PARAMS_TLV + offset);
1064 data = EFX_DWORD_FIELD(reg, EFX_DWORD_0);
1065 for (i = 0; i < sizeof(data); i++) {
1066 rc = ef100_tlv_feed(&reader, data);
1067 /* Got a complete value? */
1068 if (!rc && reader.state == EF100_TLV_TYPE)
1069 rc = ef100_process_design_param(efx, &reader);
1076 /* Check we didn't end halfway through a TLV entry, which could either
1077 * mean that the TLV stream is truncated or just that it's corrupted
1078 * and our state machine is out of sync.
1080 if (reader.state != EF100_TLV_TYPE) {
1081 if (reader.state == EF100_TLV_TYPE_CONT)
1082 netif_err(efx, probe, efx->net_dev,
1083 "truncated design parameter (incomplete type %u)\n",
1086 netif_err(efx, probe, efx->net_dev,
1087 "truncated design parameter %u\n",
1095 /* NIC probe and remove
1097 static int ef100_probe_main(struct efx_nic *efx)
1099 unsigned int bar_size = resource_size(&efx->pci_dev->resource[efx->mem_bar]);
1100 struct net_device *net_dev = efx->net_dev;
1101 struct ef100_nic_data *nic_data;
1102 char fw_version[32];
1105 if (WARN_ON(bar_size == 0))
1108 nic_data = kzalloc(sizeof(*nic_data), GFP_KERNEL);
1111 efx->nic_data = nic_data;
1112 nic_data->efx = efx;
1113 net_dev->features |= efx->type->offload_features;
1114 net_dev->hw_features |= efx->type->offload_features;
1116 /* Populate design-parameter defaults */
1117 nic_data->tso_max_hdr_len = ESE_EF100_DP_GZ_TSO_MAX_HDR_LEN_DEFAULT;
1118 nic_data->tso_max_frames = ESE_EF100_DP_GZ_TSO_MAX_NUM_FRAMES_DEFAULT;
1119 nic_data->tso_max_payload_num_segs = ESE_EF100_DP_GZ_TSO_MAX_PAYLOAD_NUM_SEGS_DEFAULT;
1120 nic_data->tso_max_payload_len = ESE_EF100_DP_GZ_TSO_MAX_PAYLOAD_LEN_DEFAULT;
1121 net_dev->gso_max_segs = ESE_EF100_DP_GZ_TSO_MAX_HDR_NUM_SEGS_DEFAULT;
1122 /* Read design parameters */
1123 rc = ef100_check_design_params(efx);
1125 netif_err(efx, probe, efx->net_dev,
1126 "Unsupported design parameters\n");
1130 /* we assume later that we can copy from this buffer in dwords */
1131 BUILD_BUG_ON(MCDI_CTL_SDU_LEN_MAX_V2 % 4);
1133 /* MCDI buffers must be 256 byte aligned. */
1134 rc = efx_nic_alloc_buffer(efx, &nic_data->mcdi_buf, MCDI_BUF_LEN,
1139 /* Get the MC's warm boot count. In case it's rebooting right
1140 * now, be prepared to retry.
1144 rc = ef100_get_warm_boot_count(efx);
1151 nic_data->warm_boot_count = rc;
1153 /* In case we're recovering from a crash (kexec), we want to
1154 * cancel any outstanding request by the previous user of this
1155 * function. We send a special message using the least
1156 * significant bits of the 'high' (doorbell) register.
1158 _efx_writed(efx, cpu_to_le32(1), efx_reg(efx, ER_GZ_MC_DB_HWRD));
1160 /* Post-IO section. */
1162 rc = efx_mcdi_init(efx);
1163 if (!rc && efx->mcdi->fn_flags &
1164 (1 << MC_CMD_DRV_ATTACH_EXT_OUT_FLAG_NO_ACTIVE_PORT)) {
1165 netif_info(efx, probe, efx->net_dev,
1166 "No network port on this PCI function");
1171 /* Reset (most) configuration for this function */
1172 rc = efx_mcdi_reset(efx, RESET_TYPE_ALL);
1176 rc = efx_get_pf_index(efx, &nic_data->pf_index);
1180 rc = efx_ef100_init_datapath_caps(efx);
1184 efx->max_vis = EF100_MAX_VIS;
1186 rc = efx_mcdi_port_get_number(efx);
1191 efx_mcdi_print_fwver(efx, fw_version, sizeof(fw_version));
1192 netif_dbg(efx, drv, efx->net_dev, "Firmware version %s\n", fw_version);
1194 if (compare_versions(fw_version, "1.1.0.1000") < 0) {
1195 netif_info(efx, drv, efx->net_dev, "Firmware uses old event descriptors\n");
1200 if (efx_has_cap(efx, UNSOL_EV_CREDIT_SUPPORTED)) {
1201 netif_info(efx, drv, efx->net_dev, "Firmware uses unsolicited-event credits\n");
1206 rc = ef100_phy_probe(efx);
1210 rc = efx_init_channels(efx);
1214 down_write(&efx->filter_sem);
1215 rc = ef100_filter_table_probe(efx);
1216 up_write(&efx->filter_sem);
1220 netdev_rss_key_fill(efx->rss_context.rx_hash_key,
1221 sizeof(efx->rss_context.rx_hash_key));
1223 /* Don't fail init if RSS setup doesn't work. */
1224 efx_mcdi_push_default_indir_table(efx, efx->n_rx_channels);
1226 rc = ef100_register_netdev(efx);
1235 int ef100_probe_pf(struct efx_nic *efx)
1237 struct net_device *net_dev = efx->net_dev;
1238 struct ef100_nic_data *nic_data;
1239 int rc = ef100_probe_main(efx);
1244 nic_data = efx->nic_data;
1245 rc = ef100_get_mac_address(efx, net_dev->perm_addr);
1248 /* Assign MAC address */
1249 memcpy(net_dev->dev_addr, net_dev->perm_addr, ETH_ALEN);
1250 memcpy(nic_data->port_id, net_dev->perm_addr, ETH_ALEN);
1258 int ef100_probe_vf(struct efx_nic *efx)
1260 return ef100_probe_main(efx);
1263 void ef100_remove(struct efx_nic *efx)
1265 struct ef100_nic_data *nic_data = efx->nic_data;
1267 ef100_unregister_netdev(efx);
1269 down_write(&efx->filter_sem);
1270 efx_mcdi_filter_table_remove(efx);
1271 up_write(&efx->filter_sem);
1272 efx_fini_channels(efx);
1273 kfree(efx->phy_data);
1274 efx->phy_data = NULL;
1275 efx_mcdi_detach(efx);
1278 efx_nic_free_buffer(efx, &nic_data->mcdi_buf);
1280 efx->nic_data = NULL;