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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) FIELD_SIZEOF(_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 	strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version));
225 	if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
226 		strlcpy(drvinfo->fw_version, adapter->fw_ver,
227 			sizeof(drvinfo->fw_version));
228 	else
229 		snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
230 			 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
231 
232 	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
233 		sizeof(drvinfo->bus_info));
234 }
235 
lancer_cmd_get_file_len(struct be_adapter * adapter,u8 * file_name)236 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
237 {
238 	u32 data_read = 0, eof;
239 	u8 addn_status;
240 	struct be_dma_mem data_len_cmd;
241 
242 	memset(&data_len_cmd, 0, sizeof(data_len_cmd));
243 	/* data_offset and data_size should be 0 to get reg len */
244 	lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name,
245 			       &data_read, &eof, &addn_status);
246 
247 	return data_read;
248 }
249 
be_get_dump_len(struct be_adapter * adapter)250 static int be_get_dump_len(struct be_adapter *adapter)
251 {
252 	u32 dump_size = 0;
253 
254 	if (lancer_chip(adapter))
255 		dump_size = lancer_cmd_get_file_len(adapter,
256 						    LANCER_FW_DUMP_FILE);
257 	else
258 		dump_size = adapter->fat_dump_len;
259 
260 	return dump_size;
261 }
262 
lancer_cmd_read_file(struct be_adapter * adapter,u8 * file_name,u32 buf_len,void * buf)263 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
264 				u32 buf_len, void *buf)
265 {
266 	struct be_dma_mem read_cmd;
267 	u32 read_len = 0, total_read_len = 0, chunk_size;
268 	u32 eof = 0;
269 	u8 addn_status;
270 	int status = 0;
271 
272 	read_cmd.size = LANCER_READ_FILE_CHUNK;
273 	read_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, read_cmd.size,
274 					 &read_cmd.dma, GFP_ATOMIC);
275 
276 	if (!read_cmd.va) {
277 		dev_err(&adapter->pdev->dev,
278 			"Memory allocation failure while reading dump\n");
279 		return -ENOMEM;
280 	}
281 
282 	while ((total_read_len < buf_len) && !eof) {
283 		chunk_size = min_t(u32, (buf_len - total_read_len),
284 				   LANCER_READ_FILE_CHUNK);
285 		chunk_size = ALIGN(chunk_size, 4);
286 		status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
287 						total_read_len, file_name,
288 						&read_len, &eof, &addn_status);
289 		if (!status) {
290 			memcpy(buf + total_read_len, read_cmd.va, read_len);
291 			total_read_len += read_len;
292 			eof &= LANCER_READ_FILE_EOF_MASK;
293 		} else {
294 			status = -EIO;
295 			break;
296 		}
297 	}
298 	dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va,
299 			  read_cmd.dma);
300 
301 	return status;
302 }
303 
be_read_dump_data(struct be_adapter * adapter,u32 dump_len,void * buf)304 static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len,
305 			     void *buf)
306 {
307 	int status = 0;
308 
309 	if (lancer_chip(adapter))
310 		status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
311 					      dump_len, buf);
312 	else
313 		status = be_cmd_get_fat_dump(adapter, dump_len, buf);
314 
315 	return status;
316 }
317 
be_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * et)318 static int be_get_coalesce(struct net_device *netdev,
319 			   struct ethtool_coalesce *et)
320 {
321 	struct be_adapter *adapter = netdev_priv(netdev);
322 	struct be_aic_obj *aic = &adapter->aic_obj[0];
323 
324 	et->rx_coalesce_usecs = aic->prev_eqd;
325 	et->rx_coalesce_usecs_high = aic->max_eqd;
326 	et->rx_coalesce_usecs_low = aic->min_eqd;
327 
328 	et->tx_coalesce_usecs = aic->prev_eqd;
329 	et->tx_coalesce_usecs_high = aic->max_eqd;
330 	et->tx_coalesce_usecs_low = aic->min_eqd;
331 
332 	et->use_adaptive_rx_coalesce = adapter->aic_enabled;
333 	et->use_adaptive_tx_coalesce = adapter->aic_enabled;
334 
335 	return 0;
336 }
337 
338 /* TX attributes are ignored. Only RX attributes are considered
339  * eqd cmd is issued in the worker thread.
340  */
be_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * et)341 static int be_set_coalesce(struct net_device *netdev,
342 			   struct ethtool_coalesce *et)
343 {
344 	struct be_adapter *adapter = netdev_priv(netdev);
345 	struct be_aic_obj *aic = &adapter->aic_obj[0];
346 	struct be_eq_obj *eqo;
347 	int i;
348 
349 	adapter->aic_enabled = et->use_adaptive_rx_coalesce;
350 
351 	for_all_evt_queues(adapter, eqo, i) {
352 		aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
353 		aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
354 		aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
355 		aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
356 		aic++;
357 	}
358 
359 	/* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled.
360 	 * When AIC is disabled, persistently force set EQD value via the
361 	 * FW cmd, so that we don't have to calculate the delay multiplier
362 	 * encode value each time EQ_DB is rung
363 	 */
364 	if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter))
365 		be_eqd_update(adapter, true);
366 
367 	return 0;
368 }
369 
be_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats * stats,uint64_t * data)370 static void be_get_ethtool_stats(struct net_device *netdev,
371 				 struct ethtool_stats *stats, uint64_t *data)
372 {
373 	struct be_adapter *adapter = netdev_priv(netdev);
374 	struct be_rx_obj *rxo;
375 	struct be_tx_obj *txo;
376 	void *p;
377 	unsigned int i, j, base = 0, start;
378 
379 	for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
380 		p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
381 		data[i] = *(u32 *)p;
382 	}
383 	base += ETHTOOL_STATS_NUM;
384 
385 	for_all_rx_queues(adapter, rxo, j) {
386 		struct be_rx_stats *stats = rx_stats(rxo);
387 
388 		do {
389 			start = u64_stats_fetch_begin_irq(&stats->sync);
390 			data[base] = stats->rx_bytes;
391 			data[base + 1] = stats->rx_pkts;
392 		} while (u64_stats_fetch_retry_irq(&stats->sync, start));
393 
394 		for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
395 			p = (u8 *)stats + et_rx_stats[i].offset;
396 			data[base + i] = *(u32 *)p;
397 		}
398 		base += ETHTOOL_RXSTATS_NUM;
399 	}
400 
401 	for_all_tx_queues(adapter, txo, j) {
402 		struct be_tx_stats *stats = tx_stats(txo);
403 
404 		do {
405 			start = u64_stats_fetch_begin_irq(&stats->sync_compl);
406 			data[base] = stats->tx_compl;
407 		} while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
408 
409 		do {
410 			start = u64_stats_fetch_begin_irq(&stats->sync);
411 			for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
412 				p = (u8 *)stats + et_tx_stats[i].offset;
413 				data[base + i] =
414 					(et_tx_stats[i].size == sizeof(u64)) ?
415 						*(u64 *)p : *(u32 *)p;
416 			}
417 		} while (u64_stats_fetch_retry_irq(&stats->sync, start));
418 		base += ETHTOOL_TXSTATS_NUM;
419 	}
420 }
421 
422 static const char be_priv_flags[][ETH_GSTRING_LEN] = {
423 	"disable-tpe-recovery"
424 };
425 
be_get_stat_strings(struct net_device * netdev,uint32_t stringset,uint8_t * data)426 static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
427 				uint8_t *data)
428 {
429 	struct be_adapter *adapter = netdev_priv(netdev);
430 	int i, j;
431 
432 	switch (stringset) {
433 	case ETH_SS_STATS:
434 		for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
435 			memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
436 			data += ETH_GSTRING_LEN;
437 		}
438 		for (i = 0; i < adapter->num_rx_qs; i++) {
439 			for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
440 				sprintf(data, "rxq%d: %s", i,
441 					et_rx_stats[j].desc);
442 				data += ETH_GSTRING_LEN;
443 			}
444 		}
445 		for (i = 0; i < adapter->num_tx_qs; i++) {
446 			for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
447 				sprintf(data, "txq%d: %s", i,
448 					et_tx_stats[j].desc);
449 				data += ETH_GSTRING_LEN;
450 			}
451 		}
452 		break;
453 	case ETH_SS_TEST:
454 		for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
455 			memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
456 			data += ETH_GSTRING_LEN;
457 		}
458 		break;
459 	case ETH_SS_PRIV_FLAGS:
460 		for (i = 0; i < ARRAY_SIZE(be_priv_flags); i++)
461 			strcpy(data + i * ETH_GSTRING_LEN, be_priv_flags[i]);
462 		break;
463 	}
464 }
465 
be_get_sset_count(struct net_device * netdev,int stringset)466 static int be_get_sset_count(struct net_device *netdev, int stringset)
467 {
468 	struct be_adapter *adapter = netdev_priv(netdev);
469 
470 	switch (stringset) {
471 	case ETH_SS_TEST:
472 		return ETHTOOL_TESTS_NUM;
473 	case ETH_SS_STATS:
474 		return ETHTOOL_STATS_NUM +
475 			adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
476 			adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
477 	case ETH_SS_PRIV_FLAGS:
478 		return ARRAY_SIZE(be_priv_flags);
479 	default:
480 		return -EINVAL;
481 	}
482 }
483 
be_get_port_type(struct be_adapter * adapter)484 static u32 be_get_port_type(struct be_adapter *adapter)
485 {
486 	u32 port;
487 
488 	switch (adapter->phy.interface_type) {
489 	case PHY_TYPE_BASET_1GB:
490 	case PHY_TYPE_BASEX_1GB:
491 	case PHY_TYPE_SGMII:
492 		port = PORT_TP;
493 		break;
494 	case PHY_TYPE_SFP_PLUS_10GB:
495 		if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
496 			port = PORT_DA;
497 		else
498 			port = PORT_FIBRE;
499 		break;
500 	case PHY_TYPE_QSFP:
501 		if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
502 			port = PORT_DA;
503 		else
504 			port = PORT_FIBRE;
505 		break;
506 	case PHY_TYPE_XFP_10GB:
507 	case PHY_TYPE_SFP_1GB:
508 		port = PORT_FIBRE;
509 		break;
510 	case PHY_TYPE_BASET_10GB:
511 		port = PORT_TP;
512 		break;
513 	default:
514 		port = PORT_OTHER;
515 	}
516 
517 	return port;
518 }
519 
convert_to_et_setting(struct be_adapter * adapter,u32 if_speeds)520 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
521 {
522 	u32 val = 0;
523 
524 	switch (adapter->phy.interface_type) {
525 	case PHY_TYPE_BASET_1GB:
526 	case PHY_TYPE_BASEX_1GB:
527 	case PHY_TYPE_SGMII:
528 		val |= SUPPORTED_TP;
529 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
530 			val |= SUPPORTED_1000baseT_Full;
531 		if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
532 			val |= SUPPORTED_100baseT_Full;
533 		if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
534 			val |= SUPPORTED_10baseT_Full;
535 		break;
536 	case PHY_TYPE_KX4_10GB:
537 		val |= SUPPORTED_Backplane;
538 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
539 			val |= SUPPORTED_1000baseKX_Full;
540 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
541 			val |= SUPPORTED_10000baseKX4_Full;
542 		break;
543 	case PHY_TYPE_KR2_20GB:
544 		val |= SUPPORTED_Backplane;
545 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
546 			val |= SUPPORTED_10000baseKR_Full;
547 		if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
548 			val |= SUPPORTED_20000baseKR2_Full;
549 		break;
550 	case PHY_TYPE_KR_10GB:
551 		val |= SUPPORTED_Backplane |
552 				SUPPORTED_10000baseKR_Full;
553 		break;
554 	case PHY_TYPE_KR4_40GB:
555 		val |= SUPPORTED_Backplane;
556 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
557 			val |= SUPPORTED_10000baseKR_Full;
558 		if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
559 			val |= SUPPORTED_40000baseKR4_Full;
560 		break;
561 	case PHY_TYPE_QSFP:
562 		if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
563 			switch (adapter->phy.cable_type) {
564 			case QSFP_PLUS_CR4_CABLE:
565 				val |= SUPPORTED_40000baseCR4_Full;
566 				break;
567 			case QSFP_PLUS_LR4_CABLE:
568 				val |= SUPPORTED_40000baseLR4_Full;
569 				break;
570 			default:
571 				val |= SUPPORTED_40000baseSR4_Full;
572 				break;
573 			}
574 		}
575 		/* fall through */
576 	case PHY_TYPE_SFP_PLUS_10GB:
577 	case PHY_TYPE_XFP_10GB:
578 	case PHY_TYPE_SFP_1GB:
579 		val |= SUPPORTED_FIBRE;
580 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
581 			val |= SUPPORTED_10000baseT_Full;
582 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
583 			val |= SUPPORTED_1000baseT_Full;
584 		break;
585 	case PHY_TYPE_BASET_10GB:
586 		val |= SUPPORTED_TP;
587 		if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
588 			val |= SUPPORTED_10000baseT_Full;
589 		if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
590 			val |= SUPPORTED_1000baseT_Full;
591 		if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
592 			val |= SUPPORTED_100baseT_Full;
593 		break;
594 	default:
595 		val |= SUPPORTED_TP;
596 	}
597 
598 	return val;
599 }
600 
be_pause_supported(struct be_adapter * adapter)601 bool be_pause_supported(struct be_adapter *adapter)
602 {
603 	return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
604 		adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
605 		false : true;
606 }
607 
be_get_link_ksettings(struct net_device * netdev,struct ethtool_link_ksettings * cmd)608 static int be_get_link_ksettings(struct net_device *netdev,
609 				 struct ethtool_link_ksettings *cmd)
610 {
611 	struct be_adapter *adapter = netdev_priv(netdev);
612 	u8 link_status;
613 	u16 link_speed = 0;
614 	int status;
615 	u32 auto_speeds;
616 	u32 fixed_speeds;
617 	u32 supported = 0, advertising = 0;
618 
619 	if (adapter->phy.link_speed < 0) {
620 		status = be_cmd_link_status_query(adapter, &link_speed,
621 						  &link_status, 0);
622 		if (!status)
623 			be_link_status_update(adapter, link_status);
624 		cmd->base.speed = link_speed;
625 
626 		status = be_cmd_get_phy_info(adapter);
627 		if (!status) {
628 			auto_speeds = adapter->phy.auto_speeds_supported;
629 			fixed_speeds = adapter->phy.fixed_speeds_supported;
630 
631 			be_cmd_query_cable_type(adapter);
632 
633 			supported =
634 				convert_to_et_setting(adapter,
635 						      auto_speeds |
636 						      fixed_speeds);
637 			advertising =
638 				convert_to_et_setting(adapter, auto_speeds);
639 
640 			cmd->base.port = be_get_port_type(adapter);
641 
642 			if (adapter->phy.auto_speeds_supported) {
643 				supported |= SUPPORTED_Autoneg;
644 				cmd->base.autoneg = AUTONEG_ENABLE;
645 				advertising |= ADVERTISED_Autoneg;
646 			}
647 
648 			supported |= SUPPORTED_Pause;
649 			if (be_pause_supported(adapter))
650 				advertising |= ADVERTISED_Pause;
651 		} else {
652 			cmd->base.port = PORT_OTHER;
653 			cmd->base.autoneg = AUTONEG_DISABLE;
654 		}
655 
656 		/* Save for future use */
657 		adapter->phy.link_speed = cmd->base.speed;
658 		adapter->phy.port_type = cmd->base.port;
659 		adapter->phy.autoneg = cmd->base.autoneg;
660 		adapter->phy.advertising = advertising;
661 		adapter->phy.supported = supported;
662 	} else {
663 		cmd->base.speed = adapter->phy.link_speed;
664 		cmd->base.port = adapter->phy.port_type;
665 		cmd->base.autoneg = adapter->phy.autoneg;
666 		advertising = adapter->phy.advertising;
667 		supported = adapter->phy.supported;
668 	}
669 
670 	cmd->base.duplex = netif_carrier_ok(netdev) ?
671 		DUPLEX_FULL : DUPLEX_UNKNOWN;
672 	cmd->base.phy_address = adapter->port_num;
673 
674 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
675 						supported);
676 	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
677 						advertising);
678 
679 	return 0;
680 }
681 
be_get_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring)682 static void be_get_ringparam(struct net_device *netdev,
683 			     struct ethtool_ringparam *ring)
684 {
685 	struct be_adapter *adapter = netdev_priv(netdev);
686 
687 	ring->rx_max_pending = adapter->rx_obj[0].q.len;
688 	ring->rx_pending = adapter->rx_obj[0].q.len;
689 	ring->tx_max_pending = adapter->tx_obj[0].q.len;
690 	ring->tx_pending = adapter->tx_obj[0].q.len;
691 }
692 
693 static void
be_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * ecmd)694 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
695 {
696 	struct be_adapter *adapter = netdev_priv(netdev);
697 
698 	be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
699 	ecmd->autoneg = adapter->phy.fc_autoneg;
700 }
701 
702 static int
be_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * ecmd)703 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
704 {
705 	struct be_adapter *adapter = netdev_priv(netdev);
706 	int status;
707 
708 	if (ecmd->autoneg != adapter->phy.fc_autoneg)
709 		return -EINVAL;
710 
711 	status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
712 					 ecmd->rx_pause);
713 	if (status) {
714 		dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
715 		return be_cmd_status(status);
716 	}
717 
718 	adapter->tx_fc = ecmd->tx_pause;
719 	adapter->rx_fc = ecmd->rx_pause;
720 	return 0;
721 }
722 
be_set_phys_id(struct net_device * netdev,enum ethtool_phys_id_state state)723 static int be_set_phys_id(struct net_device *netdev,
724 			  enum ethtool_phys_id_state state)
725 {
726 	struct be_adapter *adapter = netdev_priv(netdev);
727 	int status = 0;
728 
729 	switch (state) {
730 	case ETHTOOL_ID_ACTIVE:
731 		status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
732 						 &adapter->beacon_state);
733 		if (status)
734 			return be_cmd_status(status);
735 		return 1;       /* cycle on/off once per second */
736 
737 	case ETHTOOL_ID_ON:
738 		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
739 						 0, 0, BEACON_STATE_ENABLED);
740 		break;
741 
742 	case ETHTOOL_ID_OFF:
743 		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
744 						 0, 0, BEACON_STATE_DISABLED);
745 		break;
746 
747 	case ETHTOOL_ID_INACTIVE:
748 		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
749 						 0, 0, adapter->beacon_state);
750 	}
751 
752 	return be_cmd_status(status);
753 }
754 
be_set_dump(struct net_device * netdev,struct ethtool_dump * dump)755 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
756 {
757 	struct be_adapter *adapter = netdev_priv(netdev);
758 	struct device *dev = &adapter->pdev->dev;
759 	int status;
760 
761 	if (!lancer_chip(adapter) ||
762 	    !check_privilege(adapter, MAX_PRIVILEGES))
763 		return -EOPNOTSUPP;
764 
765 	switch (dump->flag) {
766 	case LANCER_INITIATE_FW_DUMP:
767 		status = lancer_initiate_dump(adapter);
768 		if (!status)
769 			dev_info(dev, "FW dump initiated successfully\n");
770 		break;
771 	case LANCER_DELETE_FW_DUMP:
772 		status = lancer_delete_dump(adapter);
773 		if (!status)
774 			dev_info(dev, "FW dump deleted successfully\n");
775 	break;
776 	default:
777 		dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
778 		return -EINVAL;
779 	}
780 	return status;
781 }
782 
be_get_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)783 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
784 {
785 	struct be_adapter *adapter = netdev_priv(netdev);
786 
787 	if (adapter->wol_cap & BE_WOL_CAP) {
788 		wol->supported |= WAKE_MAGIC;
789 		if (adapter->wol_en)
790 			wol->wolopts |= WAKE_MAGIC;
791 	} else {
792 		wol->wolopts = 0;
793 	}
794 	memset(&wol->sopass, 0, sizeof(wol->sopass));
795 }
796 
be_set_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)797 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
798 {
799 	struct be_adapter *adapter = netdev_priv(netdev);
800 	struct device *dev = &adapter->pdev->dev;
801 	struct be_dma_mem cmd;
802 	u8 mac[ETH_ALEN];
803 	bool enable;
804 	int status;
805 
806 	if (wol->wolopts & ~WAKE_MAGIC)
807 		return -EOPNOTSUPP;
808 
809 	if (!(adapter->wol_cap & BE_WOL_CAP)) {
810 		dev_warn(&adapter->pdev->dev, "WOL not supported\n");
811 		return -EOPNOTSUPP;
812 	}
813 
814 	cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
815 	cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
816 	if (!cmd.va)
817 		return -ENOMEM;
818 
819 	eth_zero_addr(mac);
820 
821 	enable = wol->wolopts & WAKE_MAGIC;
822 	if (enable)
823 		ether_addr_copy(mac, adapter->netdev->dev_addr);
824 
825 	status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
826 	if (status) {
827 		dev_err(dev, "Could not set Wake-on-lan mac address\n");
828 		status = be_cmd_status(status);
829 		goto err;
830 	}
831 
832 	pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
833 	pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
834 
835 	adapter->wol_en = enable ? true : false;
836 
837 err:
838 	dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
839 	return status;
840 }
841 
be_test_ddr_dma(struct be_adapter * adapter)842 static int be_test_ddr_dma(struct be_adapter *adapter)
843 {
844 	int ret, i;
845 	struct be_dma_mem ddrdma_cmd;
846 	static const u64 pattern[2] = {
847 		0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
848 	};
849 
850 	ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
851 	ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
852 					   ddrdma_cmd.size, &ddrdma_cmd.dma,
853 					   GFP_KERNEL);
854 	if (!ddrdma_cmd.va)
855 		return -ENOMEM;
856 
857 	for (i = 0; i < 2; i++) {
858 		ret = be_cmd_ddr_dma_test(adapter, pattern[i],
859 					  4096, &ddrdma_cmd);
860 		if (ret != 0)
861 			goto err;
862 	}
863 
864 err:
865 	dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
866 			  ddrdma_cmd.dma);
867 	return be_cmd_status(ret);
868 }
869 
be_loopback_test(struct be_adapter * adapter,u8 loopback_type,u64 * status)870 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
871 			    u64 *status)
872 {
873 	int ret;
874 
875 	ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
876 				  loopback_type, 1);
877 	if (ret)
878 		return ret;
879 
880 	*status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
881 				       loopback_type, 1500, 2, 0xabc);
882 
883 	ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
884 				  BE_NO_LOOPBACK, 1);
885 	if (ret)
886 		return ret;
887 
888 	return *status;
889 }
890 
be_self_test(struct net_device * netdev,struct ethtool_test * test,u64 * data)891 static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
892 			 u64 *data)
893 {
894 	struct be_adapter *adapter = netdev_priv(netdev);
895 	int status, cnt;
896 	u8 link_status = 0;
897 
898 	if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
899 		dev_err(&adapter->pdev->dev, "Self test not supported\n");
900 		test->flags |= ETH_TEST_FL_FAILED;
901 		return;
902 	}
903 
904 	memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
905 
906 	/* check link status before offline tests */
907 	link_status = netif_carrier_ok(netdev);
908 
909 	if (test->flags & ETH_TEST_FL_OFFLINE) {
910 		if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
911 			test->flags |= ETH_TEST_FL_FAILED;
912 
913 		if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
914 			test->flags |= ETH_TEST_FL_FAILED;
915 
916 		if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
917 			if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
918 					     &data[2]) != 0)
919 				test->flags |= ETH_TEST_FL_FAILED;
920 			test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
921 		}
922 	}
923 
924 	if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
925 		data[3] = 1;
926 		test->flags |= ETH_TEST_FL_FAILED;
927 	}
928 
929 	/* link status was down prior to test */
930 	if (!link_status) {
931 		test->flags |= ETH_TEST_FL_FAILED;
932 		data[4] = 1;
933 		return;
934 	}
935 
936 	for (cnt = 10; cnt; cnt--) {
937 		status = be_cmd_link_status_query(adapter, NULL, &link_status,
938 						  0);
939 		if (status) {
940 			test->flags |= ETH_TEST_FL_FAILED;
941 			data[4] = -1;
942 			break;
943 		}
944 
945 		if (link_status)
946 			break;
947 
948 		msleep_interruptible(500);
949 	}
950 }
951 
be_do_flash(struct net_device * netdev,struct ethtool_flash * efl)952 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
953 {
954 	struct be_adapter *adapter = netdev_priv(netdev);
955 
956 	return be_load_fw(adapter, efl->data);
957 }
958 
959 static int
be_get_dump_flag(struct net_device * netdev,struct ethtool_dump * dump)960 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
961 {
962 	struct be_adapter *adapter = netdev_priv(netdev);
963 
964 	if (!check_privilege(adapter, MAX_PRIVILEGES))
965 		return -EOPNOTSUPP;
966 
967 	dump->len = be_get_dump_len(adapter);
968 	dump->version = 1;
969 	dump->flag = 0x1;	/* FW dump is enabled */
970 	return 0;
971 }
972 
973 static int
be_get_dump_data(struct net_device * netdev,struct ethtool_dump * dump,void * buf)974 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
975 		 void *buf)
976 {
977 	struct be_adapter *adapter = netdev_priv(netdev);
978 	int status;
979 
980 	if (!check_privilege(adapter, MAX_PRIVILEGES))
981 		return -EOPNOTSUPP;
982 
983 	status = be_read_dump_data(adapter, dump->len, buf);
984 	return be_cmd_status(status);
985 }
986 
be_get_eeprom_len(struct net_device * netdev)987 static int be_get_eeprom_len(struct net_device *netdev)
988 {
989 	struct be_adapter *adapter = netdev_priv(netdev);
990 
991 	if (!check_privilege(adapter, MAX_PRIVILEGES))
992 		return 0;
993 
994 	if (lancer_chip(adapter)) {
995 		if (be_physfn(adapter))
996 			return lancer_cmd_get_file_len(adapter,
997 						       LANCER_VPD_PF_FILE);
998 		else
999 			return lancer_cmd_get_file_len(adapter,
1000 						       LANCER_VPD_VF_FILE);
1001 	} else {
1002 		return BE_READ_SEEPROM_LEN;
1003 	}
1004 }
1005 
be_read_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,uint8_t * data)1006 static int be_read_eeprom(struct net_device *netdev,
1007 			  struct ethtool_eeprom *eeprom, uint8_t *data)
1008 {
1009 	struct be_adapter *adapter = netdev_priv(netdev);
1010 	struct be_dma_mem eeprom_cmd;
1011 	struct be_cmd_resp_seeprom_read *resp;
1012 	int status;
1013 
1014 	if (!eeprom->len)
1015 		return -EINVAL;
1016 
1017 	if (lancer_chip(adapter)) {
1018 		if (be_physfn(adapter))
1019 			return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1020 						    eeprom->len, data);
1021 		else
1022 			return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1023 						    eeprom->len, data);
1024 	}
1025 
1026 	eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1027 
1028 	memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1029 	eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1030 	eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
1031 					   eeprom_cmd.size, &eeprom_cmd.dma,
1032 					   GFP_KERNEL);
1033 
1034 	if (!eeprom_cmd.va)
1035 		return -ENOMEM;
1036 
1037 	status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1038 
1039 	if (!status) {
1040 		resp = eeprom_cmd.va;
1041 		memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1042 	}
1043 	dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1044 			  eeprom_cmd.dma);
1045 
1046 	return be_cmd_status(status);
1047 }
1048 
be_get_msg_level(struct net_device * netdev)1049 static u32 be_get_msg_level(struct net_device *netdev)
1050 {
1051 	struct be_adapter *adapter = netdev_priv(netdev);
1052 
1053 	return adapter->msg_enable;
1054 }
1055 
be_set_msg_level(struct net_device * netdev,u32 level)1056 static void be_set_msg_level(struct net_device *netdev, u32 level)
1057 {
1058 	struct be_adapter *adapter = netdev_priv(netdev);
1059 
1060 	if (adapter->msg_enable == level)
1061 		return;
1062 
1063 	if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1064 		if (BEx_chip(adapter))
1065 			be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1066 						FW_LOG_LEVEL_DEFAULT :
1067 						FW_LOG_LEVEL_FATAL);
1068 	adapter->msg_enable = level;
1069 }
1070 
be_get_rss_hash_opts(struct be_adapter * adapter,u64 flow_type)1071 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1072 {
1073 	u64 data = 0;
1074 
1075 	switch (flow_type) {
1076 	case TCP_V4_FLOW:
1077 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1078 			data |= RXH_IP_DST | RXH_IP_SRC;
1079 		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1080 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1081 		break;
1082 	case UDP_V4_FLOW:
1083 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1084 			data |= RXH_IP_DST | RXH_IP_SRC;
1085 		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1086 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1087 		break;
1088 	case TCP_V6_FLOW:
1089 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1090 			data |= RXH_IP_DST | RXH_IP_SRC;
1091 		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1092 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1093 		break;
1094 	case UDP_V6_FLOW:
1095 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1096 			data |= RXH_IP_DST | RXH_IP_SRC;
1097 		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1098 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1099 		break;
1100 	}
1101 
1102 	return data;
1103 }
1104 
be_get_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd,u32 * rule_locs)1105 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1106 			u32 *rule_locs)
1107 {
1108 	struct be_adapter *adapter = netdev_priv(netdev);
1109 
1110 	if (!be_multi_rxq(adapter)) {
1111 		dev_info(&adapter->pdev->dev,
1112 			 "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1113 		return -EINVAL;
1114 	}
1115 
1116 	switch (cmd->cmd) {
1117 	case ETHTOOL_GRXFH:
1118 		cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1119 		break;
1120 	case ETHTOOL_GRXRINGS:
1121 		cmd->data = adapter->num_rx_qs;
1122 		break;
1123 	default:
1124 		return -EINVAL;
1125 	}
1126 
1127 	return 0;
1128 }
1129 
be_set_rss_hash_opts(struct be_adapter * adapter,struct ethtool_rxnfc * cmd)1130 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1131 				struct ethtool_rxnfc *cmd)
1132 {
1133 	int status;
1134 	u32 rss_flags = adapter->rss_info.rss_flags;
1135 
1136 	if (cmd->data != L3_RSS_FLAGS &&
1137 	    cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1138 		return -EINVAL;
1139 
1140 	switch (cmd->flow_type) {
1141 	case TCP_V4_FLOW:
1142 		if (cmd->data == L3_RSS_FLAGS)
1143 			rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1144 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1145 			rss_flags |= RSS_ENABLE_IPV4 |
1146 					RSS_ENABLE_TCP_IPV4;
1147 		break;
1148 	case TCP_V6_FLOW:
1149 		if (cmd->data == L3_RSS_FLAGS)
1150 			rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1151 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1152 			rss_flags |= RSS_ENABLE_IPV6 |
1153 					RSS_ENABLE_TCP_IPV6;
1154 		break;
1155 	case UDP_V4_FLOW:
1156 		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1157 		    BEx_chip(adapter))
1158 			return -EINVAL;
1159 
1160 		if (cmd->data == L3_RSS_FLAGS)
1161 			rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1162 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1163 			rss_flags |= RSS_ENABLE_IPV4 |
1164 					RSS_ENABLE_UDP_IPV4;
1165 		break;
1166 	case UDP_V6_FLOW:
1167 		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1168 		    BEx_chip(adapter))
1169 			return -EINVAL;
1170 
1171 		if (cmd->data == L3_RSS_FLAGS)
1172 			rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1173 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1174 			rss_flags |= RSS_ENABLE_IPV6 |
1175 					RSS_ENABLE_UDP_IPV6;
1176 		break;
1177 	default:
1178 		return -EINVAL;
1179 	}
1180 
1181 	if (rss_flags == adapter->rss_info.rss_flags)
1182 		return 0;
1183 
1184 	status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1185 				   rss_flags, RSS_INDIR_TABLE_LEN,
1186 				   adapter->rss_info.rss_hkey);
1187 	if (!status)
1188 		adapter->rss_info.rss_flags = rss_flags;
1189 
1190 	return be_cmd_status(status);
1191 }
1192 
be_set_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd)1193 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1194 {
1195 	struct be_adapter *adapter = netdev_priv(netdev);
1196 	int status = 0;
1197 
1198 	if (!be_multi_rxq(adapter)) {
1199 		dev_err(&adapter->pdev->dev,
1200 			"ethtool::set_rxnfc: RX flow hashing is disabled\n");
1201 		return -EINVAL;
1202 	}
1203 
1204 	switch (cmd->cmd) {
1205 	case ETHTOOL_SRXFH:
1206 		status = be_set_rss_hash_opts(adapter, cmd);
1207 		break;
1208 	default:
1209 		return -EINVAL;
1210 	}
1211 
1212 	return status;
1213 }
1214 
be_get_channels(struct net_device * netdev,struct ethtool_channels * ch)1215 static void be_get_channels(struct net_device *netdev,
1216 			    struct ethtool_channels *ch)
1217 {
1218 	struct be_adapter *adapter = netdev_priv(netdev);
1219 	u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1220 
1221 	/* num_tx_qs is always same as the number of irqs used for TX */
1222 	ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1223 	ch->rx_count = num_rx_irqs - ch->combined_count;
1224 	ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1225 
1226 	ch->max_combined = be_max_qp_irqs(adapter);
1227 	/* The user must create atleast one combined channel */
1228 	ch->max_rx = be_max_rx_irqs(adapter) - 1;
1229 	ch->max_tx = be_max_tx_irqs(adapter) - 1;
1230 }
1231 
be_set_channels(struct net_device * netdev,struct ethtool_channels * ch)1232 static int be_set_channels(struct net_device  *netdev,
1233 			   struct ethtool_channels *ch)
1234 {
1235 	struct be_adapter *adapter = netdev_priv(netdev);
1236 	int status;
1237 
1238 	/* we support either only combined channels or a combination of
1239 	 * combined and either RX-only or TX-only channels.
1240 	 */
1241 	if (ch->other_count || !ch->combined_count ||
1242 	    (ch->rx_count && ch->tx_count))
1243 		return -EINVAL;
1244 
1245 	if (ch->combined_count > be_max_qp_irqs(adapter) ||
1246 	    (ch->rx_count &&
1247 	     (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1248 	    (ch->tx_count &&
1249 	     (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1250 		return -EINVAL;
1251 
1252 	adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1253 	adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1254 
1255 	status = be_update_queues(adapter);
1256 	return be_cmd_status(status);
1257 }
1258 
be_get_rxfh_indir_size(struct net_device * netdev)1259 static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1260 {
1261 	return RSS_INDIR_TABLE_LEN;
1262 }
1263 
be_get_rxfh_key_size(struct net_device * netdev)1264 static u32 be_get_rxfh_key_size(struct net_device *netdev)
1265 {
1266 	return RSS_HASH_KEY_LEN;
1267 }
1268 
be_get_rxfh(struct net_device * netdev,u32 * indir,u8 * hkey,u8 * hfunc)1269 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1270 		       u8 *hfunc)
1271 {
1272 	struct be_adapter *adapter = netdev_priv(netdev);
1273 	int i;
1274 	struct rss_info *rss = &adapter->rss_info;
1275 
1276 	if (indir) {
1277 		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1278 			indir[i] = rss->rss_queue[i];
1279 	}
1280 
1281 	if (hkey)
1282 		memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1283 
1284 	if (hfunc)
1285 		*hfunc = ETH_RSS_HASH_TOP;
1286 
1287 	return 0;
1288 }
1289 
be_set_rxfh(struct net_device * netdev,const u32 * indir,const u8 * hkey,const u8 hfunc)1290 static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1291 		       const u8 *hkey, const u8 hfunc)
1292 {
1293 	int rc = 0, i, j;
1294 	struct be_adapter *adapter = netdev_priv(netdev);
1295 	u8 rsstable[RSS_INDIR_TABLE_LEN];
1296 
1297 	/* We do not allow change in unsupported parameters */
1298 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1299 		return -EOPNOTSUPP;
1300 
1301 	if (indir) {
1302 		struct be_rx_obj *rxo;
1303 
1304 		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1305 			j = indir[i];
1306 			rxo = &adapter->rx_obj[j];
1307 			rsstable[i] = rxo->rss_id;
1308 			adapter->rss_info.rss_queue[i] = j;
1309 		}
1310 	} else {
1311 		memcpy(rsstable, adapter->rss_info.rsstable,
1312 		       RSS_INDIR_TABLE_LEN);
1313 	}
1314 
1315 	if (!hkey)
1316 		hkey =  adapter->rss_info.rss_hkey;
1317 
1318 	rc = be_cmd_rss_config(adapter, rsstable,
1319 			       adapter->rss_info.rss_flags,
1320 			       RSS_INDIR_TABLE_LEN, hkey);
1321 	if (rc) {
1322 		adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1323 		return -EIO;
1324 	}
1325 	memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1326 	memcpy(adapter->rss_info.rsstable, rsstable,
1327 	       RSS_INDIR_TABLE_LEN);
1328 	return 0;
1329 }
1330 
be_get_module_info(struct net_device * netdev,struct ethtool_modinfo * modinfo)1331 static int be_get_module_info(struct net_device *netdev,
1332 			      struct ethtool_modinfo *modinfo)
1333 {
1334 	struct be_adapter *adapter = netdev_priv(netdev);
1335 	u8 page_data[PAGE_DATA_LEN];
1336 	int status;
1337 
1338 	if (!check_privilege(adapter, MAX_PRIVILEGES))
1339 		return -EOPNOTSUPP;
1340 
1341 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1342 						   page_data);
1343 	if (!status) {
1344 		if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1345 			modinfo->type = ETH_MODULE_SFF_8079;
1346 			modinfo->eeprom_len = PAGE_DATA_LEN;
1347 		} else {
1348 			modinfo->type = ETH_MODULE_SFF_8472;
1349 			modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1350 		}
1351 	}
1352 	return be_cmd_status(status);
1353 }
1354 
be_get_module_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * data)1355 static int be_get_module_eeprom(struct net_device *netdev,
1356 				struct ethtool_eeprom *eeprom, u8 *data)
1357 {
1358 	struct be_adapter *adapter = netdev_priv(netdev);
1359 	int status;
1360 
1361 	if (!check_privilege(adapter, MAX_PRIVILEGES))
1362 		return -EOPNOTSUPP;
1363 
1364 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1365 						   data);
1366 	if (status)
1367 		goto err;
1368 
1369 	if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
1370 		status = be_cmd_read_port_transceiver_data(adapter,
1371 							   TR_PAGE_A2,
1372 							   data +
1373 							   PAGE_DATA_LEN);
1374 		if (status)
1375 			goto err;
1376 	}
1377 	if (eeprom->offset)
1378 		memcpy(data, data + eeprom->offset, eeprom->len);
1379 err:
1380 	return be_cmd_status(status);
1381 }
1382 
be_get_priv_flags(struct net_device * netdev)1383 static u32 be_get_priv_flags(struct net_device *netdev)
1384 {
1385 	struct be_adapter *adapter = netdev_priv(netdev);
1386 
1387 	return adapter->priv_flags;
1388 }
1389 
be_set_priv_flags(struct net_device * netdev,u32 flags)1390 static int be_set_priv_flags(struct net_device *netdev, u32 flags)
1391 {
1392 	struct be_adapter *adapter = netdev_priv(netdev);
1393 	bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
1394 	bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
1395 
1396 	if (tpe_old != tpe_new) {
1397 		if (tpe_new) {
1398 			adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
1399 			dev_info(&adapter->pdev->dev,
1400 				 "HW error recovery is disabled\n");
1401 		} else {
1402 			adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
1403 			dev_info(&adapter->pdev->dev,
1404 				 "HW error recovery is enabled\n");
1405 		}
1406 	}
1407 
1408 	return 0;
1409 }
1410 
1411 const struct ethtool_ops be_ethtool_ops = {
1412 	.get_drvinfo = be_get_drvinfo,
1413 	.get_wol = be_get_wol,
1414 	.set_wol = be_set_wol,
1415 	.get_link = ethtool_op_get_link,
1416 	.get_eeprom_len = be_get_eeprom_len,
1417 	.get_eeprom = be_read_eeprom,
1418 	.get_coalesce = be_get_coalesce,
1419 	.set_coalesce = be_set_coalesce,
1420 	.get_ringparam = be_get_ringparam,
1421 	.get_pauseparam = be_get_pauseparam,
1422 	.set_pauseparam = be_set_pauseparam,
1423 	.set_priv_flags = be_set_priv_flags,
1424 	.get_priv_flags = be_get_priv_flags,
1425 	.get_strings = be_get_stat_strings,
1426 	.set_phys_id = be_set_phys_id,
1427 	.set_dump = be_set_dump,
1428 	.get_msglevel = be_get_msg_level,
1429 	.set_msglevel = be_set_msg_level,
1430 	.get_sset_count = be_get_sset_count,
1431 	.get_ethtool_stats = be_get_ethtool_stats,
1432 	.flash_device = be_do_flash,
1433 	.self_test = be_self_test,
1434 	.get_rxnfc = be_get_rxnfc,
1435 	.set_rxnfc = be_set_rxnfc,
1436 	.get_rxfh_indir_size = be_get_rxfh_indir_size,
1437 	.get_rxfh_key_size = be_get_rxfh_key_size,
1438 	.get_rxfh = be_get_rxfh,
1439 	.set_rxfh = be_set_rxfh,
1440 	.get_dump_flag = be_get_dump_flag,
1441 	.get_dump_data = be_get_dump_data,
1442 	.get_channels = be_get_channels,
1443 	.set_channels = be_set_channels,
1444 	.get_module_info = be_get_module_info,
1445 	.get_module_eeprom = be_get_module_eeprom,
1446 	.get_link_ksettings = be_get_link_ksettings,
1447 };
1448