1  // SPDX-License-Identifier: GPL-2.0-only
2  /*
3   * Copyright (C) 2005 - 2016 Broadcom
4   * All rights reserved.
5   *
6   * Contact Information:
7   * linux-drivers@emulex.com
8   *
9   * Emulex
10   * 3333 Susan Street
11   * Costa Mesa, CA 92626
12   */
13  
14  #include "be.h"
15  #include "be_cmds.h"
16  #include <linux/ethtool.h>
17  
18  struct be_ethtool_stat {
19  	char desc[ETH_GSTRING_LEN];
20  	int type;
21  	int size;
22  	int offset;
23  };
24  
25  enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT};
26  #define FIELDINFO(_struct, field) sizeof_field(_struct, field), \
27  					offsetof(_struct, field)
28  #define DRVSTAT_TX_INFO(field)	#field, DRVSTAT_TX,\
29  					FIELDINFO(struct be_tx_stats, field)
30  #define DRVSTAT_RX_INFO(field)	#field, DRVSTAT_RX,\
31  					FIELDINFO(struct be_rx_stats, field)
32  #define	DRVSTAT_INFO(field)	#field, DRVSTAT,\
33  					FIELDINFO(struct be_drv_stats, field)
34  
35  static const struct be_ethtool_stat et_stats[] = {
36  	{DRVSTAT_INFO(rx_crc_errors)},
37  	{DRVSTAT_INFO(rx_alignment_symbol_errors)},
38  	{DRVSTAT_INFO(rx_pause_frames)},
39  	{DRVSTAT_INFO(rx_control_frames)},
40  	/* Received packets dropped when the Ethernet length field
41  	 * is not equal to the actual Ethernet data length.
42  	 */
43  	{DRVSTAT_INFO(rx_in_range_errors)},
44  	/* Received packets dropped when their length field is >= 1501 bytes
45  	 * and <= 1535 bytes.
46  	 */
47  	{DRVSTAT_INFO(rx_out_range_errors)},
48  	/* Received packets dropped when they are longer than 9216 bytes */
49  	{DRVSTAT_INFO(rx_frame_too_long)},
50  	/* Received packets dropped when they don't pass the unicast or
51  	 * multicast address filtering.
52  	 */
53  	{DRVSTAT_INFO(rx_address_filtered)},
54  	/* Received packets dropped when IP packet length field is less than
55  	 * the IP header length field.
56  	 */
57  	{DRVSTAT_INFO(rx_dropped_too_small)},
58  	/* Received packets dropped when IP length field is greater than
59  	 * the actual packet length.
60  	 */
61  	{DRVSTAT_INFO(rx_dropped_too_short)},
62  	/* Received packets dropped when the IP header length field is less
63  	 * than 5.
64  	 */
65  	{DRVSTAT_INFO(rx_dropped_header_too_small)},
66  	/* Received packets dropped when the TCP header length field is less
67  	 * than 5 or the TCP header length + IP header length is more
68  	 * than IP packet length.
69  	 */
70  	{DRVSTAT_INFO(rx_dropped_tcp_length)},
71  	{DRVSTAT_INFO(rx_dropped_runt)},
72  	/* Number of received packets dropped when a fifo for descriptors going
73  	 * into the packet demux block overflows. In normal operation, this
74  	 * fifo must never overflow.
75  	 */
76  	{DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
77  	/* Received packets dropped when the RX block runs out of space in
78  	 * one of its input FIFOs. This could happen due a long burst of
79  	 * minimum-sized (64b) frames in the receive path.
80  	 * This counter may also be erroneously incremented rarely.
81  	 */
82  	{DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
83  	{DRVSTAT_INFO(rx_ip_checksum_errs)},
84  	{DRVSTAT_INFO(rx_tcp_checksum_errs)},
85  	{DRVSTAT_INFO(rx_udp_checksum_errs)},
86  	{DRVSTAT_INFO(tx_pauseframes)},
87  	{DRVSTAT_INFO(tx_controlframes)},
88  	{DRVSTAT_INFO(rx_priority_pause_frames)},
89  	{DRVSTAT_INFO(tx_priority_pauseframes)},
90  	/* Received packets dropped when an internal fifo going into
91  	 * main packet buffer tank (PMEM) overflows.
92  	 */
93  	{DRVSTAT_INFO(pmem_fifo_overflow_drop)},
94  	{DRVSTAT_INFO(jabber_events)},
95  	/* Received packets dropped due to lack of available HW packet buffers
96  	 * used to temporarily hold the received packets.
97  	 */
98  	{DRVSTAT_INFO(rx_drops_no_pbuf)},
99  	/* Received packets dropped due to input receive buffer
100  	 * descriptor fifo overflowing.
101  	 */
102  	{DRVSTAT_INFO(rx_drops_no_erx_descr)},
103  	/* Packets dropped because the internal FIFO to the offloaded TCP
104  	 * receive processing block is full. This could happen only for
105  	 * offloaded iSCSI or FCoE trarffic.
106  	 */
107  	{DRVSTAT_INFO(rx_drops_no_tpre_descr)},
108  	/* Received packets dropped when they need more than 8
109  	 * receive buffers. This cannot happen as the driver configures
110  	 * 2048 byte receive buffers.
111  	 */
112  	{DRVSTAT_INFO(rx_drops_too_many_frags)},
113  	{DRVSTAT_INFO(forwarded_packets)},
114  	/* Received packets dropped when the frame length
115  	 * is more than 9018 bytes
116  	 */
117  	{DRVSTAT_INFO(rx_drops_mtu)},
118  	/* Number of dma mapping errors */
119  	{DRVSTAT_INFO(dma_map_errors)},
120  	/* Number of packets dropped due to random early drop function */
121  	{DRVSTAT_INFO(eth_red_drops)},
122  	{DRVSTAT_INFO(rx_roce_bytes_lsd)},
123  	{DRVSTAT_INFO(rx_roce_bytes_msd)},
124  	{DRVSTAT_INFO(rx_roce_frames)},
125  	{DRVSTAT_INFO(roce_drops_payload_len)},
126  	{DRVSTAT_INFO(roce_drops_crc)}
127  };
128  
129  #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
130  
131  /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
132   * are first and second members respectively.
133   */
134  static const struct be_ethtool_stat et_rx_stats[] = {
135  	{DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
136  	{DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
137  	{DRVSTAT_RX_INFO(rx_vxlan_offload_pkts)},
138  	{DRVSTAT_RX_INFO(rx_compl)},
139  	{DRVSTAT_RX_INFO(rx_compl_err)},
140  	{DRVSTAT_RX_INFO(rx_mcast_pkts)},
141  	/* Number of page allocation failures while posting receive buffers
142  	 * to HW.
143  	 */
144  	{DRVSTAT_RX_INFO(rx_post_fail)},
145  	/* Recevied packets dropped due to skb allocation failure */
146  	{DRVSTAT_RX_INFO(rx_drops_no_skbs)},
147  	/* Received packets dropped due to lack of available fetched buffers
148  	 * posted by the driver.
149  	 */
150  	{DRVSTAT_RX_INFO(rx_drops_no_frags)}
151  };
152  
153  #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
154  
155  /* Stats related to multi TX queues: get_stats routine assumes compl is the
156   * first member
157   */
158  static const struct be_ethtool_stat et_tx_stats[] = {
159  	{DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
160  	/* This counter is incremented when the HW encounters an error while
161  	 * parsing the packet header of an outgoing TX request. This counter is
162  	 * applicable only for BE2, BE3 and Skyhawk based adapters.
163  	 */
164  	{DRVSTAT_TX_INFO(tx_hdr_parse_err)},
165  	/* This counter is incremented when an error occurs in the DMA
166  	 * operation associated with the TX request from the host to the device.
167  	 */
168  	{DRVSTAT_TX_INFO(tx_dma_err)},
169  	/* This counter is incremented when MAC or VLAN spoof checking is
170  	 * enabled on the interface and the TX request fails the spoof check
171  	 * in HW.
172  	 */
173  	{DRVSTAT_TX_INFO(tx_spoof_check_err)},
174  	/* This counter is incremented when the HW encounters an error while
175  	 * performing TSO offload. This counter is applicable only for Lancer
176  	 * adapters.
177  	 */
178  	{DRVSTAT_TX_INFO(tx_tso_err)},
179  	/* This counter is incremented when the HW detects Q-in-Q style VLAN
180  	 * tagging in a packet and such tagging is not expected on the outgoing
181  	 * interface. This counter is applicable only for Lancer adapters.
182  	 */
183  	{DRVSTAT_TX_INFO(tx_qinq_err)},
184  	/* This counter is incremented when the HW detects parity errors in the
185  	 * packet data. This counter is applicable only for Lancer adapters.
186  	 */
187  	{DRVSTAT_TX_INFO(tx_internal_parity_err)},
188  	{DRVSTAT_TX_INFO(tx_sge_err)},
189  	{DRVSTAT_TX_INFO(tx_bytes)},
190  	{DRVSTAT_TX_INFO(tx_pkts)},
191  	{DRVSTAT_TX_INFO(tx_vxlan_offload_pkts)},
192  	/* Number of skbs queued for trasmission by the driver */
193  	{DRVSTAT_TX_INFO(tx_reqs)},
194  	/* Number of times the TX queue was stopped due to lack
195  	 * of spaces in the TXQ.
196  	 */
197  	{DRVSTAT_TX_INFO(tx_stops)},
198  	/* Pkts dropped in the driver's transmit path */
199  	{DRVSTAT_TX_INFO(tx_drv_drops)}
200  };
201  
202  #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
203  
204  static const char et_self_tests[][ETH_GSTRING_LEN] = {
205  	"MAC Loopback test",
206  	"PHY Loopback test",
207  	"External Loopback test",
208  	"DDR DMA test",
209  	"Link test"
210  };
211  
212  #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
213  #define BE_MAC_LOOPBACK 0x0
214  #define BE_PHY_LOOPBACK 0x1
215  #define BE_ONE_PORT_EXT_LOOPBACK 0x2
216  #define BE_NO_LOOPBACK 0xff
217  
be_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)218  static void be_get_drvinfo(struct net_device *netdev,
219  			   struct ethtool_drvinfo *drvinfo)
220  {
221  	struct be_adapter *adapter = netdev_priv(netdev);
222  
223  	strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
224  	if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
225  		strlcpy(drvinfo->fw_version, adapter->fw_ver,
226  			sizeof(drvinfo->fw_version));
227  	else
228  		snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
229  			 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
230  
231  	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
232  		sizeof(drvinfo->bus_info));
233  }
234  
lancer_cmd_get_file_len(struct be_adapter * adapter,u8 * file_name)235  static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
236  {
237  	u32 data_read = 0, eof;
238  	u8 addn_status;
239  	struct be_dma_mem data_len_cmd;
240  
241  	memset(&data_len_cmd, 0, sizeof(data_len_cmd));
242  	/* data_offset and data_size should be 0 to get reg len */
243  	lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name,
244  			       &data_read, &eof, &addn_status);
245  
246  	return data_read;
247  }
248  
be_get_dump_len(struct be_adapter * adapter)249  static int be_get_dump_len(struct be_adapter *adapter)
250  {
251  	u32 dump_size = 0;
252  
253  	if (lancer_chip(adapter))
254  		dump_size = lancer_cmd_get_file_len(adapter,
255  						    LANCER_FW_DUMP_FILE);
256  	else
257  		dump_size = adapter->fat_dump_len;
258  
259  	return dump_size;
260  }
261  
lancer_cmd_read_file(struct be_adapter * adapter,u8 * file_name,u32 buf_len,void * buf)262  static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
263  				u32 buf_len, void *buf)
264  {
265  	struct be_dma_mem read_cmd;
266  	u32 read_len = 0, total_read_len = 0, chunk_size;
267  	u32 eof = 0;
268  	u8 addn_status;
269  	int status = 0;
270  
271  	read_cmd.size = LANCER_READ_FILE_CHUNK;
272  	read_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, read_cmd.size,
273  					 &read_cmd.dma, GFP_ATOMIC);
274  
275  	if (!read_cmd.va) {
276  		dev_err(&adapter->pdev->dev,
277  			"Memory allocation failure while reading dump\n");
278  		return -ENOMEM;
279  	}
280  
281  	while ((total_read_len < buf_len) && !eof) {
282  		chunk_size = min_t(u32, (buf_len - total_read_len),
283  				   LANCER_READ_FILE_CHUNK);
284  		chunk_size = ALIGN(chunk_size, 4);
285  		status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
286  						total_read_len, file_name,
287  						&read_len, &eof, &addn_status);
288  		if (!status) {
289  			memcpy(buf + total_read_len, read_cmd.va, read_len);
290  			total_read_len += read_len;
291  			eof &= LANCER_READ_FILE_EOF_MASK;
292  		} else {
293  			status = -EIO;
294  			break;
295  		}
296  	}
297  	dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va,
298  			  read_cmd.dma);
299  
300  	return status;
301  }
302  
be_read_dump_data(struct be_adapter * adapter,u32 dump_len,void * buf)303  static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len,
304  			     void *buf)
305  {
306  	int status = 0;
307  
308  	if (lancer_chip(adapter))
309  		status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
310  					      dump_len, buf);
311  	else
312  		status = be_cmd_get_fat_dump(adapter, dump_len, buf);
313  
314  	return status;
315  }
316  
be_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * et,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)317  static int be_get_coalesce(struct net_device *netdev,
318  			   struct ethtool_coalesce *et,
319  			   struct kernel_ethtool_coalesce *kernel_coal,
320  			   struct netlink_ext_ack *extack)
321  {
322  	struct be_adapter *adapter = netdev_priv(netdev);
323  	struct be_aic_obj *aic = &adapter->aic_obj[0];
324  
325  	et->rx_coalesce_usecs = aic->prev_eqd;
326  	et->rx_coalesce_usecs_high = aic->max_eqd;
327  	et->rx_coalesce_usecs_low = aic->min_eqd;
328  
329  	et->tx_coalesce_usecs = aic->prev_eqd;
330  	et->tx_coalesce_usecs_high = aic->max_eqd;
331  	et->tx_coalesce_usecs_low = aic->min_eqd;
332  
333  	et->use_adaptive_rx_coalesce = adapter->aic_enabled;
334  	et->use_adaptive_tx_coalesce = adapter->aic_enabled;
335  
336  	return 0;
337  }
338  
339  /* TX attributes are ignored. Only RX attributes are considered
340   * eqd cmd is issued in the worker thread.
341   */
be_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * et,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)342  static int be_set_coalesce(struct net_device *netdev,
343  			   struct ethtool_coalesce *et,
344  			   struct kernel_ethtool_coalesce *kernel_coal,
345  			   struct netlink_ext_ack *extack)
346  {
347  	struct be_adapter *adapter = netdev_priv(netdev);
348  	struct be_aic_obj *aic = &adapter->aic_obj[0];
349  	struct be_eq_obj *eqo;
350  	int i;
351  
352  	adapter->aic_enabled = et->use_adaptive_rx_coalesce;
353  
354  	for_all_evt_queues(adapter, eqo, i) {
355  		aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
356  		aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
357  		aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
358  		aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
359  		aic++;
360  	}
361  
362  	/* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled.
363  	 * When AIC is disabled, persistently force set EQD value via the
364  	 * FW cmd, so that we don't have to calculate the delay multiplier
365  	 * encode value each time EQ_DB is rung
366  	 */
367  	if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter))
368  		be_eqd_update(adapter, true);
369  
370  	return 0;
371  }
372  
be_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats * stats,uint64_t * data)373  static void be_get_ethtool_stats(struct net_device *netdev,
374  				 struct ethtool_stats *stats, uint64_t *data)
375  {
376  	struct be_adapter *adapter = netdev_priv(netdev);
377  	struct be_rx_obj *rxo;
378  	struct be_tx_obj *txo;
379  	void *p;
380  	unsigned int i, j, base = 0, start;
381  
382  	for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
383  		p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
384  		data[i] = *(u32 *)p;
385  	}
386  	base += ETHTOOL_STATS_NUM;
387  
388  	for_all_rx_queues(adapter, rxo, j) {
389  		struct be_rx_stats *stats = rx_stats(rxo);
390  
391  		do {
392  			start = u64_stats_fetch_begin_irq(&stats->sync);
393  			data[base] = stats->rx_bytes;
394  			data[base + 1] = stats->rx_pkts;
395  		} while (u64_stats_fetch_retry_irq(&stats->sync, start));
396  
397  		for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
398  			p = (u8 *)stats + et_rx_stats[i].offset;
399  			data[base + i] = *(u32 *)p;
400  		}
401  		base += ETHTOOL_RXSTATS_NUM;
402  	}
403  
404  	for_all_tx_queues(adapter, txo, j) {
405  		struct be_tx_stats *stats = tx_stats(txo);
406  
407  		do {
408  			start = u64_stats_fetch_begin_irq(&stats->sync_compl);
409  			data[base] = stats->tx_compl;
410  		} while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
411  
412  		do {
413  			start = u64_stats_fetch_begin_irq(&stats->sync);
414  			for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
415  				p = (u8 *)stats + et_tx_stats[i].offset;
416  				data[base + i] =
417  					(et_tx_stats[i].size == sizeof(u64)) ?
418  						*(u64 *)p : *(u32 *)p;
419  			}
420  		} while (u64_stats_fetch_retry_irq(&stats->sync, start));
421  		base += ETHTOOL_TXSTATS_NUM;
422  	}
423  }
424  
425  static const char be_priv_flags[][ETH_GSTRING_LEN] = {
426  	"disable-tpe-recovery"
427  };
428  
be_get_stat_strings(struct net_device * netdev,uint32_t stringset,uint8_t * data)429  static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
430  				uint8_t *data)
431  {
432  	struct be_adapter *adapter = netdev_priv(netdev);
433  	int i, j;
434  
435  	switch (stringset) {
436  	case ETH_SS_STATS:
437  		for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
438  			memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
439  			data += ETH_GSTRING_LEN;
440  		}
441  		for (i = 0; i < adapter->num_rx_qs; i++) {
442  			for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
443  				sprintf(data, "rxq%d: %s", i,
444  					et_rx_stats[j].desc);
445  				data += ETH_GSTRING_LEN;
446  			}
447  		}
448  		for (i = 0; i < adapter->num_tx_qs; i++) {
449  			for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
450  				sprintf(data, "txq%d: %s", i,
451  					et_tx_stats[j].desc);
452  				data += ETH_GSTRING_LEN;
453  			}
454  		}
455  		break;
456  	case ETH_SS_TEST:
457  		for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
458  			memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
459  			data += ETH_GSTRING_LEN;
460  		}
461  		break;
462  	case ETH_SS_PRIV_FLAGS:
463  		for (i = 0; i < ARRAY_SIZE(be_priv_flags); i++)
464  			strcpy(data + i * ETH_GSTRING_LEN, be_priv_flags[i]);
465  		break;
466  	}
467  }
468  
be_get_sset_count(struct net_device * netdev,int stringset)469  static int be_get_sset_count(struct net_device *netdev, int stringset)
470  {
471  	struct be_adapter *adapter = netdev_priv(netdev);
472  
473  	switch (stringset) {
474  	case ETH_SS_TEST:
475  		return ETHTOOL_TESTS_NUM;
476  	case ETH_SS_STATS:
477  		return ETHTOOL_STATS_NUM +
478  			adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
479  			adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
480  	case ETH_SS_PRIV_FLAGS:
481  		return ARRAY_SIZE(be_priv_flags);
482  	default:
483  		return -EINVAL;
484  	}
485  }
486  
be_get_port_type(struct be_adapter * adapter)487  static u32 be_get_port_type(struct be_adapter *adapter)
488  {
489  	u32 port;
490  
491  	switch (adapter->phy.interface_type) {
492  	case PHY_TYPE_BASET_1GB:
493  	case PHY_TYPE_BASEX_1GB:
494  	case PHY_TYPE_SGMII:
495  		port = PORT_TP;
496  		break;
497  	case PHY_TYPE_SFP_PLUS_10GB:
498  		if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
499  			port = PORT_DA;
500  		else
501  			port = PORT_FIBRE;
502  		break;
503  	case PHY_TYPE_QSFP:
504  		if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
505  			port = PORT_DA;
506  		else
507  			port = PORT_FIBRE;
508  		break;
509  	case PHY_TYPE_XFP_10GB:
510  	case PHY_TYPE_SFP_1GB:
511  		port = PORT_FIBRE;
512  		break;
513  	case PHY_TYPE_BASET_10GB:
514  		port = PORT_TP;
515  		break;
516  	default:
517  		port = PORT_OTHER;
518  	}
519  
520  	return port;
521  }
522  
convert_to_et_setting(struct be_adapter * adapter,u32 if_speeds)523  static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
524  {
525  	u32 val = 0;
526  
527  	switch (adapter->phy.interface_type) {
528  	case PHY_TYPE_BASET_1GB:
529  	case PHY_TYPE_BASEX_1GB:
530  	case PHY_TYPE_SGMII:
531  		val |= SUPPORTED_TP;
532  		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
533  			val |= SUPPORTED_1000baseT_Full;
534  		if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
535  			val |= SUPPORTED_100baseT_Full;
536  		if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
537  			val |= SUPPORTED_10baseT_Full;
538  		break;
539  	case PHY_TYPE_KX4_10GB:
540  		val |= SUPPORTED_Backplane;
541  		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
542  			val |= SUPPORTED_1000baseKX_Full;
543  		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
544  			val |= SUPPORTED_10000baseKX4_Full;
545  		break;
546  	case PHY_TYPE_KR2_20GB:
547  		val |= SUPPORTED_Backplane;
548  		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
549  			val |= SUPPORTED_10000baseKR_Full;
550  		if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
551  			val |= SUPPORTED_20000baseKR2_Full;
552  		break;
553  	case PHY_TYPE_KR_10GB:
554  		val |= SUPPORTED_Backplane |
555  				SUPPORTED_10000baseKR_Full;
556  		break;
557  	case PHY_TYPE_KR4_40GB:
558  		val |= SUPPORTED_Backplane;
559  		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
560  			val |= SUPPORTED_10000baseKR_Full;
561  		if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
562  			val |= SUPPORTED_40000baseKR4_Full;
563  		break;
564  	case PHY_TYPE_QSFP:
565  		if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
566  			switch (adapter->phy.cable_type) {
567  			case QSFP_PLUS_CR4_CABLE:
568  				val |= SUPPORTED_40000baseCR4_Full;
569  				break;
570  			case QSFP_PLUS_LR4_CABLE:
571  				val |= SUPPORTED_40000baseLR4_Full;
572  				break;
573  			default:
574  				val |= SUPPORTED_40000baseSR4_Full;
575  				break;
576  			}
577  		}
578  		fallthrough;
579  	case PHY_TYPE_SFP_PLUS_10GB:
580  	case PHY_TYPE_XFP_10GB:
581  	case PHY_TYPE_SFP_1GB:
582  		val |= SUPPORTED_FIBRE;
583  		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
584  			val |= SUPPORTED_10000baseT_Full;
585  		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
586  			val |= SUPPORTED_1000baseT_Full;
587  		break;
588  	case PHY_TYPE_BASET_10GB:
589  		val |= SUPPORTED_TP;
590  		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
591  			val |= SUPPORTED_10000baseT_Full;
592  		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
593  			val |= SUPPORTED_1000baseT_Full;
594  		if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
595  			val |= SUPPORTED_100baseT_Full;
596  		break;
597  	default:
598  		val |= SUPPORTED_TP;
599  	}
600  
601  	return val;
602  }
603  
be_pause_supported(struct be_adapter * adapter)604  bool be_pause_supported(struct be_adapter *adapter)
605  {
606  	return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
607  		adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
608  		false : true;
609  }
610  
be_get_link_ksettings(struct net_device * netdev,struct ethtool_link_ksettings * cmd)611  static int be_get_link_ksettings(struct net_device *netdev,
612  				 struct ethtool_link_ksettings *cmd)
613  {
614  	struct be_adapter *adapter = netdev_priv(netdev);
615  	u8 link_status;
616  	u16 link_speed = 0;
617  	int status;
618  	u32 auto_speeds;
619  	u32 fixed_speeds;
620  	u32 supported = 0, advertising = 0;
621  
622  	if (adapter->phy.link_speed < 0) {
623  		status = be_cmd_link_status_query(adapter, &link_speed,
624  						  &link_status, 0);
625  		if (!status)
626  			be_link_status_update(adapter, link_status);
627  		cmd->base.speed = link_speed;
628  
629  		status = be_cmd_get_phy_info(adapter);
630  		if (!status) {
631  			auto_speeds = adapter->phy.auto_speeds_supported;
632  			fixed_speeds = adapter->phy.fixed_speeds_supported;
633  
634  			be_cmd_query_cable_type(adapter);
635  
636  			supported =
637  				convert_to_et_setting(adapter,
638  						      auto_speeds |
639  						      fixed_speeds);
640  			advertising =
641  				convert_to_et_setting(adapter, auto_speeds);
642  
643  			cmd->base.port = be_get_port_type(adapter);
644  
645  			if (adapter->phy.auto_speeds_supported) {
646  				supported |= SUPPORTED_Autoneg;
647  				cmd->base.autoneg = AUTONEG_ENABLE;
648  				advertising |= ADVERTISED_Autoneg;
649  			}
650  
651  			supported |= SUPPORTED_Pause;
652  			if (be_pause_supported(adapter))
653  				advertising |= ADVERTISED_Pause;
654  		} else {
655  			cmd->base.port = PORT_OTHER;
656  			cmd->base.autoneg = AUTONEG_DISABLE;
657  		}
658  
659  		/* Save for future use */
660  		adapter->phy.link_speed = cmd->base.speed;
661  		adapter->phy.port_type = cmd->base.port;
662  		adapter->phy.autoneg = cmd->base.autoneg;
663  		adapter->phy.advertising = advertising;
664  		adapter->phy.supported = supported;
665  	} else {
666  		cmd->base.speed = adapter->phy.link_speed;
667  		cmd->base.port = adapter->phy.port_type;
668  		cmd->base.autoneg = adapter->phy.autoneg;
669  		advertising = adapter->phy.advertising;
670  		supported = adapter->phy.supported;
671  	}
672  
673  	cmd->base.duplex = netif_carrier_ok(netdev) ?
674  		DUPLEX_FULL : DUPLEX_UNKNOWN;
675  	cmd->base.phy_address = adapter->port_num;
676  
677  	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
678  						supported);
679  	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
680  						advertising);
681  
682  	return 0;
683  }
684  
be_get_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring)685  static void be_get_ringparam(struct net_device *netdev,
686  			     struct ethtool_ringparam *ring)
687  {
688  	struct be_adapter *adapter = netdev_priv(netdev);
689  
690  	ring->rx_max_pending = adapter->rx_obj[0].q.len;
691  	ring->rx_pending = adapter->rx_obj[0].q.len;
692  	ring->tx_max_pending = adapter->tx_obj[0].q.len;
693  	ring->tx_pending = adapter->tx_obj[0].q.len;
694  }
695  
696  static void
be_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * ecmd)697  be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
698  {
699  	struct be_adapter *adapter = netdev_priv(netdev);
700  
701  	be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
702  	ecmd->autoneg = adapter->phy.fc_autoneg;
703  }
704  
705  static int
be_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * ecmd)706  be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
707  {
708  	struct be_adapter *adapter = netdev_priv(netdev);
709  	int status;
710  
711  	if (ecmd->autoneg != adapter->phy.fc_autoneg)
712  		return -EINVAL;
713  
714  	status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
715  					 ecmd->rx_pause);
716  	if (status) {
717  		dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
718  		return be_cmd_status(status);
719  	}
720  
721  	adapter->tx_fc = ecmd->tx_pause;
722  	adapter->rx_fc = ecmd->rx_pause;
723  	return 0;
724  }
725  
be_set_phys_id(struct net_device * netdev,enum ethtool_phys_id_state state)726  static int be_set_phys_id(struct net_device *netdev,
727  			  enum ethtool_phys_id_state state)
728  {
729  	struct be_adapter *adapter = netdev_priv(netdev);
730  	int status = 0;
731  
732  	switch (state) {
733  	case ETHTOOL_ID_ACTIVE:
734  		status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
735  						 &adapter->beacon_state);
736  		if (status)
737  			return be_cmd_status(status);
738  		return 1;       /* cycle on/off once per second */
739  
740  	case ETHTOOL_ID_ON:
741  		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
742  						 0, 0, BEACON_STATE_ENABLED);
743  		break;
744  
745  	case ETHTOOL_ID_OFF:
746  		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
747  						 0, 0, BEACON_STATE_DISABLED);
748  		break;
749  
750  	case ETHTOOL_ID_INACTIVE:
751  		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
752  						 0, 0, adapter->beacon_state);
753  	}
754  
755  	return be_cmd_status(status);
756  }
757  
be_set_dump(struct net_device * netdev,struct ethtool_dump * dump)758  static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
759  {
760  	struct be_adapter *adapter = netdev_priv(netdev);
761  	struct device *dev = &adapter->pdev->dev;
762  	int status;
763  
764  	if (!lancer_chip(adapter) ||
765  	    !check_privilege(adapter, MAX_PRIVILEGES))
766  		return -EOPNOTSUPP;
767  
768  	switch (dump->flag) {
769  	case LANCER_INITIATE_FW_DUMP:
770  		status = lancer_initiate_dump(adapter);
771  		if (!status)
772  			dev_info(dev, "FW dump initiated successfully\n");
773  		break;
774  	case LANCER_DELETE_FW_DUMP:
775  		status = lancer_delete_dump(adapter);
776  		if (!status)
777  			dev_info(dev, "FW dump deleted successfully\n");
778  	break;
779  	default:
780  		dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
781  		return -EINVAL;
782  	}
783  	return status;
784  }
785  
be_get_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)786  static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
787  {
788  	struct be_adapter *adapter = netdev_priv(netdev);
789  
790  	if (adapter->wol_cap & BE_WOL_CAP) {
791  		wol->supported |= WAKE_MAGIC;
792  		if (adapter->wol_en)
793  			wol->wolopts |= WAKE_MAGIC;
794  	} else {
795  		wol->wolopts = 0;
796  	}
797  	memset(&wol->sopass, 0, sizeof(wol->sopass));
798  }
799  
be_set_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)800  static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
801  {
802  	struct be_adapter *adapter = netdev_priv(netdev);
803  	struct device *dev = &adapter->pdev->dev;
804  	struct be_dma_mem cmd;
805  	u8 mac[ETH_ALEN];
806  	bool enable;
807  	int status;
808  
809  	if (wol->wolopts & ~WAKE_MAGIC)
810  		return -EOPNOTSUPP;
811  
812  	if (!(adapter->wol_cap & BE_WOL_CAP)) {
813  		dev_warn(&adapter->pdev->dev, "WOL not supported\n");
814  		return -EOPNOTSUPP;
815  	}
816  
817  	cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
818  	cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
819  	if (!cmd.va)
820  		return -ENOMEM;
821  
822  	eth_zero_addr(mac);
823  
824  	enable = wol->wolopts & WAKE_MAGIC;
825  	if (enable)
826  		ether_addr_copy(mac, adapter->netdev->dev_addr);
827  
828  	status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
829  	if (status) {
830  		dev_err(dev, "Could not set Wake-on-lan mac address\n");
831  		status = be_cmd_status(status);
832  		goto err;
833  	}
834  
835  	pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
836  	pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
837  
838  	adapter->wol_en = enable ? true : false;
839  
840  err:
841  	dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
842  	return status;
843  }
844  
be_test_ddr_dma(struct be_adapter * adapter)845  static int be_test_ddr_dma(struct be_adapter *adapter)
846  {
847  	int ret, i;
848  	struct be_dma_mem ddrdma_cmd;
849  	static const u64 pattern[2] = {
850  		0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
851  	};
852  
853  	ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
854  	ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
855  					   ddrdma_cmd.size, &ddrdma_cmd.dma,
856  					   GFP_KERNEL);
857  	if (!ddrdma_cmd.va)
858  		return -ENOMEM;
859  
860  	for (i = 0; i < 2; i++) {
861  		ret = be_cmd_ddr_dma_test(adapter, pattern[i],
862  					  4096, &ddrdma_cmd);
863  		if (ret != 0)
864  			goto err;
865  	}
866  
867  err:
868  	dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
869  			  ddrdma_cmd.dma);
870  	return be_cmd_status(ret);
871  }
872  
be_loopback_test(struct be_adapter * adapter,u8 loopback_type,u64 * status)873  static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
874  			    u64 *status)
875  {
876  	int ret;
877  
878  	ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
879  				  loopback_type, 1);
880  	if (ret)
881  		return ret;
882  
883  	*status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
884  				       loopback_type, 1500, 2, 0xabc);
885  
886  	ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
887  				  BE_NO_LOOPBACK, 1);
888  	if (ret)
889  		return ret;
890  
891  	return *status;
892  }
893  
be_self_test(struct net_device * netdev,struct ethtool_test * test,u64 * data)894  static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
895  			 u64 *data)
896  {
897  	struct be_adapter *adapter = netdev_priv(netdev);
898  	int status, cnt;
899  	u8 link_status = 0;
900  
901  	if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
902  		dev_err(&adapter->pdev->dev, "Self test not supported\n");
903  		test->flags |= ETH_TEST_FL_FAILED;
904  		return;
905  	}
906  
907  	memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
908  
909  	/* check link status before offline tests */
910  	link_status = netif_carrier_ok(netdev);
911  
912  	if (test->flags & ETH_TEST_FL_OFFLINE) {
913  		if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
914  			test->flags |= ETH_TEST_FL_FAILED;
915  
916  		if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
917  			test->flags |= ETH_TEST_FL_FAILED;
918  
919  		if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
920  			if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
921  					     &data[2]) != 0)
922  				test->flags |= ETH_TEST_FL_FAILED;
923  			test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
924  		}
925  	}
926  
927  	if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
928  		data[3] = 1;
929  		test->flags |= ETH_TEST_FL_FAILED;
930  	}
931  
932  	/* link status was down prior to test */
933  	if (!link_status) {
934  		test->flags |= ETH_TEST_FL_FAILED;
935  		data[4] = 1;
936  		return;
937  	}
938  
939  	for (cnt = 10; cnt; cnt--) {
940  		status = be_cmd_link_status_query(adapter, NULL, &link_status,
941  						  0);
942  		if (status) {
943  			test->flags |= ETH_TEST_FL_FAILED;
944  			data[4] = -1;
945  			break;
946  		}
947  
948  		if (link_status)
949  			break;
950  
951  		msleep_interruptible(500);
952  	}
953  }
954  
be_do_flash(struct net_device * netdev,struct ethtool_flash * efl)955  static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
956  {
957  	struct be_adapter *adapter = netdev_priv(netdev);
958  
959  	return be_load_fw(adapter, efl->data);
960  }
961  
962  static int
be_get_dump_flag(struct net_device * netdev,struct ethtool_dump * dump)963  be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
964  {
965  	struct be_adapter *adapter = netdev_priv(netdev);
966  
967  	if (!check_privilege(adapter, MAX_PRIVILEGES))
968  		return -EOPNOTSUPP;
969  
970  	dump->len = be_get_dump_len(adapter);
971  	dump->version = 1;
972  	dump->flag = 0x1;	/* FW dump is enabled */
973  	return 0;
974  }
975  
976  static int
be_get_dump_data(struct net_device * netdev,struct ethtool_dump * dump,void * buf)977  be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
978  		 void *buf)
979  {
980  	struct be_adapter *adapter = netdev_priv(netdev);
981  	int status;
982  
983  	if (!check_privilege(adapter, MAX_PRIVILEGES))
984  		return -EOPNOTSUPP;
985  
986  	status = be_read_dump_data(adapter, dump->len, buf);
987  	return be_cmd_status(status);
988  }
989  
be_get_eeprom_len(struct net_device * netdev)990  static int be_get_eeprom_len(struct net_device *netdev)
991  {
992  	struct be_adapter *adapter = netdev_priv(netdev);
993  
994  	if (!check_privilege(adapter, MAX_PRIVILEGES))
995  		return 0;
996  
997  	if (lancer_chip(adapter)) {
998  		if (be_physfn(adapter))
999  			return lancer_cmd_get_file_len(adapter,
1000  						       LANCER_VPD_PF_FILE);
1001  		else
1002  			return lancer_cmd_get_file_len(adapter,
1003  						       LANCER_VPD_VF_FILE);
1004  	} else {
1005  		return BE_READ_SEEPROM_LEN;
1006  	}
1007  }
1008  
be_read_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,uint8_t * data)1009  static int be_read_eeprom(struct net_device *netdev,
1010  			  struct ethtool_eeprom *eeprom, uint8_t *data)
1011  {
1012  	struct be_adapter *adapter = netdev_priv(netdev);
1013  	struct be_dma_mem eeprom_cmd;
1014  	struct be_cmd_resp_seeprom_read *resp;
1015  	int status;
1016  
1017  	if (!eeprom->len)
1018  		return -EINVAL;
1019  
1020  	if (lancer_chip(adapter)) {
1021  		if (be_physfn(adapter))
1022  			return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1023  						    eeprom->len, data);
1024  		else
1025  			return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1026  						    eeprom->len, data);
1027  	}
1028  
1029  	eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1030  
1031  	memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1032  	eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1033  	eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
1034  					   eeprom_cmd.size, &eeprom_cmd.dma,
1035  					   GFP_KERNEL);
1036  
1037  	if (!eeprom_cmd.va)
1038  		return -ENOMEM;
1039  
1040  	status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1041  
1042  	if (!status) {
1043  		resp = eeprom_cmd.va;
1044  		memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1045  	}
1046  	dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1047  			  eeprom_cmd.dma);
1048  
1049  	return be_cmd_status(status);
1050  }
1051  
be_get_msg_level(struct net_device * netdev)1052  static u32 be_get_msg_level(struct net_device *netdev)
1053  {
1054  	struct be_adapter *adapter = netdev_priv(netdev);
1055  
1056  	return adapter->msg_enable;
1057  }
1058  
be_set_msg_level(struct net_device * netdev,u32 level)1059  static void be_set_msg_level(struct net_device *netdev, u32 level)
1060  {
1061  	struct be_adapter *adapter = netdev_priv(netdev);
1062  
1063  	if (adapter->msg_enable == level)
1064  		return;
1065  
1066  	if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1067  		if (BEx_chip(adapter))
1068  			be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1069  						FW_LOG_LEVEL_DEFAULT :
1070  						FW_LOG_LEVEL_FATAL);
1071  	adapter->msg_enable = level;
1072  }
1073  
be_get_rss_hash_opts(struct be_adapter * adapter,u64 flow_type)1074  static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1075  {
1076  	u64 data = 0;
1077  
1078  	switch (flow_type) {
1079  	case TCP_V4_FLOW:
1080  		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1081  			data |= RXH_IP_DST | RXH_IP_SRC;
1082  		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1083  			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1084  		break;
1085  	case UDP_V4_FLOW:
1086  		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1087  			data |= RXH_IP_DST | RXH_IP_SRC;
1088  		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1089  			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1090  		break;
1091  	case TCP_V6_FLOW:
1092  		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1093  			data |= RXH_IP_DST | RXH_IP_SRC;
1094  		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1095  			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1096  		break;
1097  	case UDP_V6_FLOW:
1098  		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1099  			data |= RXH_IP_DST | RXH_IP_SRC;
1100  		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1101  			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1102  		break;
1103  	}
1104  
1105  	return data;
1106  }
1107  
be_get_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd,u32 * rule_locs)1108  static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1109  			u32 *rule_locs)
1110  {
1111  	struct be_adapter *adapter = netdev_priv(netdev);
1112  
1113  	if (!be_multi_rxq(adapter)) {
1114  		dev_info(&adapter->pdev->dev,
1115  			 "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1116  		return -EINVAL;
1117  	}
1118  
1119  	switch (cmd->cmd) {
1120  	case ETHTOOL_GRXFH:
1121  		cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1122  		break;
1123  	case ETHTOOL_GRXRINGS:
1124  		cmd->data = adapter->num_rx_qs;
1125  		break;
1126  	default:
1127  		return -EINVAL;
1128  	}
1129  
1130  	return 0;
1131  }
1132  
be_set_rss_hash_opts(struct be_adapter * adapter,struct ethtool_rxnfc * cmd)1133  static int be_set_rss_hash_opts(struct be_adapter *adapter,
1134  				struct ethtool_rxnfc *cmd)
1135  {
1136  	int status;
1137  	u32 rss_flags = adapter->rss_info.rss_flags;
1138  
1139  	if (cmd->data != L3_RSS_FLAGS &&
1140  	    cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1141  		return -EINVAL;
1142  
1143  	switch (cmd->flow_type) {
1144  	case TCP_V4_FLOW:
1145  		if (cmd->data == L3_RSS_FLAGS)
1146  			rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1147  		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1148  			rss_flags |= RSS_ENABLE_IPV4 |
1149  					RSS_ENABLE_TCP_IPV4;
1150  		break;
1151  	case TCP_V6_FLOW:
1152  		if (cmd->data == L3_RSS_FLAGS)
1153  			rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1154  		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1155  			rss_flags |= RSS_ENABLE_IPV6 |
1156  					RSS_ENABLE_TCP_IPV6;
1157  		break;
1158  	case UDP_V4_FLOW:
1159  		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1160  		    BEx_chip(adapter))
1161  			return -EINVAL;
1162  
1163  		if (cmd->data == L3_RSS_FLAGS)
1164  			rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1165  		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1166  			rss_flags |= RSS_ENABLE_IPV4 |
1167  					RSS_ENABLE_UDP_IPV4;
1168  		break;
1169  	case UDP_V6_FLOW:
1170  		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1171  		    BEx_chip(adapter))
1172  			return -EINVAL;
1173  
1174  		if (cmd->data == L3_RSS_FLAGS)
1175  			rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1176  		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1177  			rss_flags |= RSS_ENABLE_IPV6 |
1178  					RSS_ENABLE_UDP_IPV6;
1179  		break;
1180  	default:
1181  		return -EINVAL;
1182  	}
1183  
1184  	if (rss_flags == adapter->rss_info.rss_flags)
1185  		return 0;
1186  
1187  	status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1188  				   rss_flags, RSS_INDIR_TABLE_LEN,
1189  				   adapter->rss_info.rss_hkey);
1190  	if (!status)
1191  		adapter->rss_info.rss_flags = rss_flags;
1192  
1193  	return be_cmd_status(status);
1194  }
1195  
be_set_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd)1196  static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1197  {
1198  	struct be_adapter *adapter = netdev_priv(netdev);
1199  	int status = 0;
1200  
1201  	if (!be_multi_rxq(adapter)) {
1202  		dev_err(&adapter->pdev->dev,
1203  			"ethtool::set_rxnfc: RX flow hashing is disabled\n");
1204  		return -EINVAL;
1205  	}
1206  
1207  	switch (cmd->cmd) {
1208  	case ETHTOOL_SRXFH:
1209  		status = be_set_rss_hash_opts(adapter, cmd);
1210  		break;
1211  	default:
1212  		return -EINVAL;
1213  	}
1214  
1215  	return status;
1216  }
1217  
be_get_channels(struct net_device * netdev,struct ethtool_channels * ch)1218  static void be_get_channels(struct net_device *netdev,
1219  			    struct ethtool_channels *ch)
1220  {
1221  	struct be_adapter *adapter = netdev_priv(netdev);
1222  	u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1223  
1224  	/* num_tx_qs is always same as the number of irqs used for TX */
1225  	ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1226  	ch->rx_count = num_rx_irqs - ch->combined_count;
1227  	ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1228  
1229  	ch->max_combined = be_max_qp_irqs(adapter);
1230  	/* The user must create atleast one combined channel */
1231  	ch->max_rx = be_max_rx_irqs(adapter) - 1;
1232  	ch->max_tx = be_max_tx_irqs(adapter) - 1;
1233  }
1234  
be_set_channels(struct net_device * netdev,struct ethtool_channels * ch)1235  static int be_set_channels(struct net_device  *netdev,
1236  			   struct ethtool_channels *ch)
1237  {
1238  	struct be_adapter *adapter = netdev_priv(netdev);
1239  	int status;
1240  
1241  	/* we support either only combined channels or a combination of
1242  	 * combined and either RX-only or TX-only channels.
1243  	 */
1244  	if (ch->other_count || !ch->combined_count ||
1245  	    (ch->rx_count && ch->tx_count))
1246  		return -EINVAL;
1247  
1248  	if (ch->combined_count > be_max_qp_irqs(adapter) ||
1249  	    (ch->rx_count &&
1250  	     (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1251  	    (ch->tx_count &&
1252  	     (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1253  		return -EINVAL;
1254  
1255  	adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1256  	adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1257  
1258  	status = be_update_queues(adapter);
1259  	return be_cmd_status(status);
1260  }
1261  
be_get_rxfh_indir_size(struct net_device * netdev)1262  static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1263  {
1264  	return RSS_INDIR_TABLE_LEN;
1265  }
1266  
be_get_rxfh_key_size(struct net_device * netdev)1267  static u32 be_get_rxfh_key_size(struct net_device *netdev)
1268  {
1269  	return RSS_HASH_KEY_LEN;
1270  }
1271  
be_get_rxfh(struct net_device * netdev,u32 * indir,u8 * hkey,u8 * hfunc)1272  static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1273  		       u8 *hfunc)
1274  {
1275  	struct be_adapter *adapter = netdev_priv(netdev);
1276  	int i;
1277  	struct rss_info *rss = &adapter->rss_info;
1278  
1279  	if (indir) {
1280  		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1281  			indir[i] = rss->rss_queue[i];
1282  	}
1283  
1284  	if (hkey)
1285  		memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1286  
1287  	if (hfunc)
1288  		*hfunc = ETH_RSS_HASH_TOP;
1289  
1290  	return 0;
1291  }
1292  
be_set_rxfh(struct net_device * netdev,const u32 * indir,const u8 * hkey,const u8 hfunc)1293  static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1294  		       const u8 *hkey, const u8 hfunc)
1295  {
1296  	int rc = 0, i, j;
1297  	struct be_adapter *adapter = netdev_priv(netdev);
1298  	u8 rsstable[RSS_INDIR_TABLE_LEN];
1299  
1300  	/* We do not allow change in unsupported parameters */
1301  	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1302  		return -EOPNOTSUPP;
1303  
1304  	if (indir) {
1305  		struct be_rx_obj *rxo;
1306  
1307  		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1308  			j = indir[i];
1309  			rxo = &adapter->rx_obj[j];
1310  			rsstable[i] = rxo->rss_id;
1311  			adapter->rss_info.rss_queue[i] = j;
1312  		}
1313  	} else {
1314  		memcpy(rsstable, adapter->rss_info.rsstable,
1315  		       RSS_INDIR_TABLE_LEN);
1316  	}
1317  
1318  	if (!hkey)
1319  		hkey =  adapter->rss_info.rss_hkey;
1320  
1321  	rc = be_cmd_rss_config(adapter, rsstable,
1322  			       adapter->rss_info.rss_flags,
1323  			       RSS_INDIR_TABLE_LEN, hkey);
1324  	if (rc) {
1325  		adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1326  		return -EIO;
1327  	}
1328  	memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1329  	memcpy(adapter->rss_info.rsstable, rsstable,
1330  	       RSS_INDIR_TABLE_LEN);
1331  	return 0;
1332  }
1333  
be_get_module_info(struct net_device * netdev,struct ethtool_modinfo * modinfo)1334  static int be_get_module_info(struct net_device *netdev,
1335  			      struct ethtool_modinfo *modinfo)
1336  {
1337  	struct be_adapter *adapter = netdev_priv(netdev);
1338  	u8 page_data[PAGE_DATA_LEN];
1339  	int status;
1340  
1341  	if (!check_privilege(adapter, MAX_PRIVILEGES))
1342  		return -EOPNOTSUPP;
1343  
1344  	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1345  						   page_data);
1346  	if (!status) {
1347  		if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1348  			modinfo->type = ETH_MODULE_SFF_8079;
1349  			modinfo->eeprom_len = PAGE_DATA_LEN;
1350  		} else {
1351  			modinfo->type = ETH_MODULE_SFF_8472;
1352  			modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1353  		}
1354  	}
1355  	return be_cmd_status(status);
1356  }
1357  
be_get_module_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * data)1358  static int be_get_module_eeprom(struct net_device *netdev,
1359  				struct ethtool_eeprom *eeprom, u8 *data)
1360  {
1361  	struct be_adapter *adapter = netdev_priv(netdev);
1362  	int status;
1363  
1364  	if (!check_privilege(adapter, MAX_PRIVILEGES))
1365  		return -EOPNOTSUPP;
1366  
1367  	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1368  						   data);
1369  	if (status)
1370  		goto err;
1371  
1372  	if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
1373  		status = be_cmd_read_port_transceiver_data(adapter,
1374  							   TR_PAGE_A2,
1375  							   data +
1376  							   PAGE_DATA_LEN);
1377  		if (status)
1378  			goto err;
1379  	}
1380  	if (eeprom->offset)
1381  		memcpy(data, data + eeprom->offset, eeprom->len);
1382  err:
1383  	return be_cmd_status(status);
1384  }
1385  
be_get_priv_flags(struct net_device * netdev)1386  static u32 be_get_priv_flags(struct net_device *netdev)
1387  {
1388  	struct be_adapter *adapter = netdev_priv(netdev);
1389  
1390  	return adapter->priv_flags;
1391  }
1392  
be_set_priv_flags(struct net_device * netdev,u32 flags)1393  static int be_set_priv_flags(struct net_device *netdev, u32 flags)
1394  {
1395  	struct be_adapter *adapter = netdev_priv(netdev);
1396  	bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
1397  	bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
1398  
1399  	if (tpe_old != tpe_new) {
1400  		if (tpe_new) {
1401  			adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
1402  			dev_info(&adapter->pdev->dev,
1403  				 "HW error recovery is disabled\n");
1404  		} else {
1405  			adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
1406  			dev_info(&adapter->pdev->dev,
1407  				 "HW error recovery is enabled\n");
1408  		}
1409  	}
1410  
1411  	return 0;
1412  }
1413  
1414  const struct ethtool_ops be_ethtool_ops = {
1415  	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1416  				     ETHTOOL_COALESCE_USE_ADAPTIVE |
1417  				     ETHTOOL_COALESCE_USECS_LOW_HIGH,
1418  	.get_drvinfo = be_get_drvinfo,
1419  	.get_wol = be_get_wol,
1420  	.set_wol = be_set_wol,
1421  	.get_link = ethtool_op_get_link,
1422  	.get_eeprom_len = be_get_eeprom_len,
1423  	.get_eeprom = be_read_eeprom,
1424  	.get_coalesce = be_get_coalesce,
1425  	.set_coalesce = be_set_coalesce,
1426  	.get_ringparam = be_get_ringparam,
1427  	.get_pauseparam = be_get_pauseparam,
1428  	.set_pauseparam = be_set_pauseparam,
1429  	.set_priv_flags = be_set_priv_flags,
1430  	.get_priv_flags = be_get_priv_flags,
1431  	.get_strings = be_get_stat_strings,
1432  	.set_phys_id = be_set_phys_id,
1433  	.set_dump = be_set_dump,
1434  	.get_msglevel = be_get_msg_level,
1435  	.set_msglevel = be_set_msg_level,
1436  	.get_sset_count = be_get_sset_count,
1437  	.get_ethtool_stats = be_get_ethtool_stats,
1438  	.flash_device = be_do_flash,
1439  	.self_test = be_self_test,
1440  	.get_rxnfc = be_get_rxnfc,
1441  	.set_rxnfc = be_set_rxnfc,
1442  	.get_rxfh_indir_size = be_get_rxfh_indir_size,
1443  	.get_rxfh_key_size = be_get_rxfh_key_size,
1444  	.get_rxfh = be_get_rxfh,
1445  	.set_rxfh = be_set_rxfh,
1446  	.get_dump_flag = be_get_dump_flag,
1447  	.get_dump_data = be_get_dump_data,
1448  	.get_channels = be_get_channels,
1449  	.set_channels = be_set_channels,
1450  	.get_module_info = be_get_module_info,
1451  	.get_module_eeprom = be_get_module_eeprom,
1452  	.get_link_ksettings = be_get_link_ksettings,
1453  };
1454