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 	strscpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
224 	if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
225 		strscpy(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 	strscpy(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(&stats->sync);
393 			data[base] = stats->rx_bytes;
394 			data[base + 1] = stats->rx_pkts;
395 		} while (u64_stats_fetch_retry(&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(&stats->sync_compl);
409 			data[base] = stats->tx_compl;
410 		} while (u64_stats_fetch_retry(&stats->sync_compl, start));
411 
412 		do {
413 			start = u64_stats_fetch_begin(&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(&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,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)685 static void be_get_ringparam(struct net_device *netdev,
686 			     struct ethtool_ringparam *ring,
687 			     struct kernel_ethtool_ringparam *kernel_ring,
688 			     struct netlink_ext_ack *extack)
689 {
690 	struct be_adapter *adapter = netdev_priv(netdev);
691 
692 	ring->rx_max_pending = adapter->rx_obj[0].q.len;
693 	ring->rx_pending = adapter->rx_obj[0].q.len;
694 	ring->tx_max_pending = adapter->tx_obj[0].q.len;
695 	ring->tx_pending = adapter->tx_obj[0].q.len;
696 }
697 
698 static void
be_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * ecmd)699 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
700 {
701 	struct be_adapter *adapter = netdev_priv(netdev);
702 
703 	be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
704 	ecmd->autoneg = adapter->phy.fc_autoneg;
705 }
706 
707 static int
be_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * ecmd)708 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
709 {
710 	struct be_adapter *adapter = netdev_priv(netdev);
711 	int status;
712 
713 	if (ecmd->autoneg != adapter->phy.fc_autoneg)
714 		return -EINVAL;
715 
716 	status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
717 					 ecmd->rx_pause);
718 	if (status) {
719 		dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
720 		return be_cmd_status(status);
721 	}
722 
723 	adapter->tx_fc = ecmd->tx_pause;
724 	adapter->rx_fc = ecmd->rx_pause;
725 	return 0;
726 }
727 
be_set_phys_id(struct net_device * netdev,enum ethtool_phys_id_state state)728 static int be_set_phys_id(struct net_device *netdev,
729 			  enum ethtool_phys_id_state state)
730 {
731 	struct be_adapter *adapter = netdev_priv(netdev);
732 	int status = 0;
733 
734 	switch (state) {
735 	case ETHTOOL_ID_ACTIVE:
736 		status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
737 						 &adapter->beacon_state);
738 		if (status)
739 			return be_cmd_status(status);
740 		return 1;       /* cycle on/off once per second */
741 
742 	case ETHTOOL_ID_ON:
743 		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
744 						 0, 0, BEACON_STATE_ENABLED);
745 		break;
746 
747 	case ETHTOOL_ID_OFF:
748 		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
749 						 0, 0, BEACON_STATE_DISABLED);
750 		break;
751 
752 	case ETHTOOL_ID_INACTIVE:
753 		status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
754 						 0, 0, adapter->beacon_state);
755 	}
756 
757 	return be_cmd_status(status);
758 }
759 
be_set_dump(struct net_device * netdev,struct ethtool_dump * dump)760 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
761 {
762 	struct be_adapter *adapter = netdev_priv(netdev);
763 	struct device *dev = &adapter->pdev->dev;
764 	int status;
765 
766 	if (!lancer_chip(adapter) ||
767 	    !check_privilege(adapter, MAX_PRIVILEGES))
768 		return -EOPNOTSUPP;
769 
770 	switch (dump->flag) {
771 	case LANCER_INITIATE_FW_DUMP:
772 		status = lancer_initiate_dump(adapter);
773 		if (!status)
774 			dev_info(dev, "FW dump initiated successfully\n");
775 		break;
776 	case LANCER_DELETE_FW_DUMP:
777 		status = lancer_delete_dump(adapter);
778 		if (!status)
779 			dev_info(dev, "FW dump deleted successfully\n");
780 	break;
781 	default:
782 		dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
783 		return -EINVAL;
784 	}
785 	return status;
786 }
787 
be_get_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)788 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
789 {
790 	struct be_adapter *adapter = netdev_priv(netdev);
791 
792 	if (adapter->wol_cap & BE_WOL_CAP) {
793 		wol->supported |= WAKE_MAGIC;
794 		if (adapter->wol_en)
795 			wol->wolopts |= WAKE_MAGIC;
796 	} else {
797 		wol->wolopts = 0;
798 	}
799 	memset(&wol->sopass, 0, sizeof(wol->sopass));
800 }
801 
be_set_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)802 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
803 {
804 	struct be_adapter *adapter = netdev_priv(netdev);
805 	struct device *dev = &adapter->pdev->dev;
806 	struct be_dma_mem cmd;
807 	u8 mac[ETH_ALEN];
808 	bool enable;
809 	int status;
810 
811 	if (wol->wolopts & ~WAKE_MAGIC)
812 		return -EOPNOTSUPP;
813 
814 	if (!(adapter->wol_cap & BE_WOL_CAP)) {
815 		dev_warn(&adapter->pdev->dev, "WOL not supported\n");
816 		return -EOPNOTSUPP;
817 	}
818 
819 	cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
820 	cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
821 	if (!cmd.va)
822 		return -ENOMEM;
823 
824 	eth_zero_addr(mac);
825 
826 	enable = wol->wolopts & WAKE_MAGIC;
827 	if (enable)
828 		ether_addr_copy(mac, adapter->netdev->dev_addr);
829 
830 	status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
831 	if (status) {
832 		dev_err(dev, "Could not set Wake-on-lan mac address\n");
833 		status = be_cmd_status(status);
834 		goto err;
835 	}
836 
837 	pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
838 	pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
839 
840 	adapter->wol_en = enable ? true : false;
841 
842 err:
843 	dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
844 	return status;
845 }
846 
be_test_ddr_dma(struct be_adapter * adapter)847 static int be_test_ddr_dma(struct be_adapter *adapter)
848 {
849 	int ret, i;
850 	struct be_dma_mem ddrdma_cmd;
851 	static const u64 pattern[2] = {
852 		0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
853 	};
854 
855 	ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
856 	ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
857 					   ddrdma_cmd.size, &ddrdma_cmd.dma,
858 					   GFP_KERNEL);
859 	if (!ddrdma_cmd.va)
860 		return -ENOMEM;
861 
862 	for (i = 0; i < 2; i++) {
863 		ret = be_cmd_ddr_dma_test(adapter, pattern[i],
864 					  4096, &ddrdma_cmd);
865 		if (ret != 0)
866 			goto err;
867 	}
868 
869 err:
870 	dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
871 			  ddrdma_cmd.dma);
872 	return be_cmd_status(ret);
873 }
874 
be_loopback_test(struct be_adapter * adapter,u8 loopback_type,u64 * status)875 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
876 			    u64 *status)
877 {
878 	int ret;
879 
880 	ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
881 				  loopback_type, 1);
882 	if (ret)
883 		return ret;
884 
885 	*status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
886 				       loopback_type, 1500, 2, 0xabc);
887 
888 	ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
889 				  BE_NO_LOOPBACK, 1);
890 	if (ret)
891 		return ret;
892 
893 	return *status;
894 }
895 
be_self_test(struct net_device * netdev,struct ethtool_test * test,u64 * data)896 static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
897 			 u64 *data)
898 {
899 	struct be_adapter *adapter = netdev_priv(netdev);
900 	int status, cnt;
901 	u8 link_status = 0;
902 
903 	if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
904 		dev_err(&adapter->pdev->dev, "Self test not supported\n");
905 		test->flags |= ETH_TEST_FL_FAILED;
906 		return;
907 	}
908 
909 	memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
910 
911 	/* check link status before offline tests */
912 	link_status = netif_carrier_ok(netdev);
913 
914 	if (test->flags & ETH_TEST_FL_OFFLINE) {
915 		if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
916 			test->flags |= ETH_TEST_FL_FAILED;
917 
918 		if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
919 			test->flags |= ETH_TEST_FL_FAILED;
920 
921 		if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
922 			if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
923 					     &data[2]) != 0)
924 				test->flags |= ETH_TEST_FL_FAILED;
925 			test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
926 		}
927 	}
928 
929 	if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
930 		data[3] = 1;
931 		test->flags |= ETH_TEST_FL_FAILED;
932 	}
933 
934 	/* link status was down prior to test */
935 	if (!link_status) {
936 		test->flags |= ETH_TEST_FL_FAILED;
937 		data[4] = 1;
938 		return;
939 	}
940 
941 	for (cnt = 10; cnt; cnt--) {
942 		status = be_cmd_link_status_query(adapter, NULL, &link_status,
943 						  0);
944 		if (status) {
945 			test->flags |= ETH_TEST_FL_FAILED;
946 			data[4] = -1;
947 			break;
948 		}
949 
950 		if (link_status)
951 			break;
952 
953 		msleep_interruptible(500);
954 	}
955 }
956 
be_do_flash(struct net_device * netdev,struct ethtool_flash * efl)957 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
958 {
959 	struct be_adapter *adapter = netdev_priv(netdev);
960 
961 	return be_load_fw(adapter, efl->data);
962 }
963 
964 static int
be_get_dump_flag(struct net_device * netdev,struct ethtool_dump * dump)965 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
966 {
967 	struct be_adapter *adapter = netdev_priv(netdev);
968 
969 	if (!check_privilege(adapter, MAX_PRIVILEGES))
970 		return -EOPNOTSUPP;
971 
972 	dump->len = be_get_dump_len(adapter);
973 	dump->version = 1;
974 	dump->flag = 0x1;	/* FW dump is enabled */
975 	return 0;
976 }
977 
978 static int
be_get_dump_data(struct net_device * netdev,struct ethtool_dump * dump,void * buf)979 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
980 		 void *buf)
981 {
982 	struct be_adapter *adapter = netdev_priv(netdev);
983 	int status;
984 
985 	if (!check_privilege(adapter, MAX_PRIVILEGES))
986 		return -EOPNOTSUPP;
987 
988 	status = be_read_dump_data(adapter, dump->len, buf);
989 	return be_cmd_status(status);
990 }
991 
be_get_eeprom_len(struct net_device * netdev)992 static int be_get_eeprom_len(struct net_device *netdev)
993 {
994 	struct be_adapter *adapter = netdev_priv(netdev);
995 
996 	if (!check_privilege(adapter, MAX_PRIVILEGES))
997 		return 0;
998 
999 	if (lancer_chip(adapter)) {
1000 		if (be_physfn(adapter))
1001 			return lancer_cmd_get_file_len(adapter,
1002 						       LANCER_VPD_PF_FILE);
1003 		else
1004 			return lancer_cmd_get_file_len(adapter,
1005 						       LANCER_VPD_VF_FILE);
1006 	} else {
1007 		return BE_READ_SEEPROM_LEN;
1008 	}
1009 }
1010 
be_read_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,uint8_t * data)1011 static int be_read_eeprom(struct net_device *netdev,
1012 			  struct ethtool_eeprom *eeprom, uint8_t *data)
1013 {
1014 	struct be_adapter *adapter = netdev_priv(netdev);
1015 	struct be_dma_mem eeprom_cmd;
1016 	struct be_cmd_resp_seeprom_read *resp;
1017 	int status;
1018 
1019 	if (!eeprom->len)
1020 		return -EINVAL;
1021 
1022 	if (lancer_chip(adapter)) {
1023 		if (be_physfn(adapter))
1024 			return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1025 						    eeprom->len, data);
1026 		else
1027 			return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1028 						    eeprom->len, data);
1029 	}
1030 
1031 	eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1032 
1033 	memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1034 	eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1035 	eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
1036 					   eeprom_cmd.size, &eeprom_cmd.dma,
1037 					   GFP_KERNEL);
1038 
1039 	if (!eeprom_cmd.va)
1040 		return -ENOMEM;
1041 
1042 	status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1043 
1044 	if (!status) {
1045 		resp = eeprom_cmd.va;
1046 		memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1047 	}
1048 	dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1049 			  eeprom_cmd.dma);
1050 
1051 	return be_cmd_status(status);
1052 }
1053 
be_get_msg_level(struct net_device * netdev)1054 static u32 be_get_msg_level(struct net_device *netdev)
1055 {
1056 	struct be_adapter *adapter = netdev_priv(netdev);
1057 
1058 	return adapter->msg_enable;
1059 }
1060 
be_set_msg_level(struct net_device * netdev,u32 level)1061 static void be_set_msg_level(struct net_device *netdev, u32 level)
1062 {
1063 	struct be_adapter *adapter = netdev_priv(netdev);
1064 
1065 	if (adapter->msg_enable == level)
1066 		return;
1067 
1068 	if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1069 		if (BEx_chip(adapter))
1070 			be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1071 						FW_LOG_LEVEL_DEFAULT :
1072 						FW_LOG_LEVEL_FATAL);
1073 	adapter->msg_enable = level;
1074 }
1075 
be_get_rss_hash_opts(struct be_adapter * adapter,u64 flow_type)1076 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1077 {
1078 	u64 data = 0;
1079 
1080 	switch (flow_type) {
1081 	case TCP_V4_FLOW:
1082 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1083 			data |= RXH_IP_DST | RXH_IP_SRC;
1084 		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1085 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1086 		break;
1087 	case UDP_V4_FLOW:
1088 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1089 			data |= RXH_IP_DST | RXH_IP_SRC;
1090 		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1091 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1092 		break;
1093 	case TCP_V6_FLOW:
1094 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1095 			data |= RXH_IP_DST | RXH_IP_SRC;
1096 		if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1097 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1098 		break;
1099 	case UDP_V6_FLOW:
1100 		if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1101 			data |= RXH_IP_DST | RXH_IP_SRC;
1102 		if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1103 			data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1104 		break;
1105 	}
1106 
1107 	return data;
1108 }
1109 
be_get_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd,u32 * rule_locs)1110 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1111 			u32 *rule_locs)
1112 {
1113 	struct be_adapter *adapter = netdev_priv(netdev);
1114 
1115 	if (!be_multi_rxq(adapter)) {
1116 		dev_info(&adapter->pdev->dev,
1117 			 "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1118 		return -EINVAL;
1119 	}
1120 
1121 	switch (cmd->cmd) {
1122 	case ETHTOOL_GRXFH:
1123 		cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1124 		break;
1125 	case ETHTOOL_GRXRINGS:
1126 		cmd->data = adapter->num_rx_qs;
1127 		break;
1128 	default:
1129 		return -EINVAL;
1130 	}
1131 
1132 	return 0;
1133 }
1134 
be_set_rss_hash_opts(struct be_adapter * adapter,struct ethtool_rxnfc * cmd)1135 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1136 				struct ethtool_rxnfc *cmd)
1137 {
1138 	int status;
1139 	u32 rss_flags = adapter->rss_info.rss_flags;
1140 
1141 	if (cmd->data != L3_RSS_FLAGS &&
1142 	    cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1143 		return -EINVAL;
1144 
1145 	switch (cmd->flow_type) {
1146 	case TCP_V4_FLOW:
1147 		if (cmd->data == L3_RSS_FLAGS)
1148 			rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1149 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1150 			rss_flags |= RSS_ENABLE_IPV4 |
1151 					RSS_ENABLE_TCP_IPV4;
1152 		break;
1153 	case TCP_V6_FLOW:
1154 		if (cmd->data == L3_RSS_FLAGS)
1155 			rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1156 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1157 			rss_flags |= RSS_ENABLE_IPV6 |
1158 					RSS_ENABLE_TCP_IPV6;
1159 		break;
1160 	case UDP_V4_FLOW:
1161 		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1162 		    BEx_chip(adapter))
1163 			return -EINVAL;
1164 
1165 		if (cmd->data == L3_RSS_FLAGS)
1166 			rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1167 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1168 			rss_flags |= RSS_ENABLE_IPV4 |
1169 					RSS_ENABLE_UDP_IPV4;
1170 		break;
1171 	case UDP_V6_FLOW:
1172 		if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1173 		    BEx_chip(adapter))
1174 			return -EINVAL;
1175 
1176 		if (cmd->data == L3_RSS_FLAGS)
1177 			rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1178 		else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1179 			rss_flags |= RSS_ENABLE_IPV6 |
1180 					RSS_ENABLE_UDP_IPV6;
1181 		break;
1182 	default:
1183 		return -EINVAL;
1184 	}
1185 
1186 	if (rss_flags == adapter->rss_info.rss_flags)
1187 		return 0;
1188 
1189 	status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1190 				   rss_flags, RSS_INDIR_TABLE_LEN,
1191 				   adapter->rss_info.rss_hkey);
1192 	if (!status)
1193 		adapter->rss_info.rss_flags = rss_flags;
1194 
1195 	return be_cmd_status(status);
1196 }
1197 
be_set_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd)1198 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1199 {
1200 	struct be_adapter *adapter = netdev_priv(netdev);
1201 	int status = 0;
1202 
1203 	if (!be_multi_rxq(adapter)) {
1204 		dev_err(&adapter->pdev->dev,
1205 			"ethtool::set_rxnfc: RX flow hashing is disabled\n");
1206 		return -EINVAL;
1207 	}
1208 
1209 	switch (cmd->cmd) {
1210 	case ETHTOOL_SRXFH:
1211 		status = be_set_rss_hash_opts(adapter, cmd);
1212 		break;
1213 	default:
1214 		return -EINVAL;
1215 	}
1216 
1217 	return status;
1218 }
1219 
be_get_channels(struct net_device * netdev,struct ethtool_channels * ch)1220 static void be_get_channels(struct net_device *netdev,
1221 			    struct ethtool_channels *ch)
1222 {
1223 	struct be_adapter *adapter = netdev_priv(netdev);
1224 	u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1225 
1226 	/* num_tx_qs is always same as the number of irqs used for TX */
1227 	ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1228 	ch->rx_count = num_rx_irqs - ch->combined_count;
1229 	ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1230 
1231 	ch->max_combined = be_max_qp_irqs(adapter);
1232 	/* The user must create atleast one combined channel */
1233 	ch->max_rx = be_max_rx_irqs(adapter) - 1;
1234 	ch->max_tx = be_max_tx_irqs(adapter) - 1;
1235 }
1236 
be_set_channels(struct net_device * netdev,struct ethtool_channels * ch)1237 static int be_set_channels(struct net_device  *netdev,
1238 			   struct ethtool_channels *ch)
1239 {
1240 	struct be_adapter *adapter = netdev_priv(netdev);
1241 	int status;
1242 
1243 	/* we support either only combined channels or a combination of
1244 	 * combined and either RX-only or TX-only channels.
1245 	 */
1246 	if (ch->other_count || !ch->combined_count ||
1247 	    (ch->rx_count && ch->tx_count))
1248 		return -EINVAL;
1249 
1250 	if (ch->combined_count > be_max_qp_irqs(adapter) ||
1251 	    (ch->rx_count &&
1252 	     (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1253 	    (ch->tx_count &&
1254 	     (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1255 		return -EINVAL;
1256 
1257 	adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1258 	adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1259 
1260 	status = be_update_queues(adapter);
1261 	return be_cmd_status(status);
1262 }
1263 
be_get_rxfh_indir_size(struct net_device * netdev)1264 static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1265 {
1266 	return RSS_INDIR_TABLE_LEN;
1267 }
1268 
be_get_rxfh_key_size(struct net_device * netdev)1269 static u32 be_get_rxfh_key_size(struct net_device *netdev)
1270 {
1271 	return RSS_HASH_KEY_LEN;
1272 }
1273 
be_get_rxfh(struct net_device * netdev,u32 * indir,u8 * hkey,u8 * hfunc)1274 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1275 		       u8 *hfunc)
1276 {
1277 	struct be_adapter *adapter = netdev_priv(netdev);
1278 	int i;
1279 	struct rss_info *rss = &adapter->rss_info;
1280 
1281 	if (indir) {
1282 		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1283 			indir[i] = rss->rss_queue[i];
1284 	}
1285 
1286 	if (hkey)
1287 		memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1288 
1289 	if (hfunc)
1290 		*hfunc = ETH_RSS_HASH_TOP;
1291 
1292 	return 0;
1293 }
1294 
be_set_rxfh(struct net_device * netdev,const u32 * indir,const u8 * hkey,const u8 hfunc)1295 static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1296 		       const u8 *hkey, const u8 hfunc)
1297 {
1298 	int rc = 0, i, j;
1299 	struct be_adapter *adapter = netdev_priv(netdev);
1300 	u8 rsstable[RSS_INDIR_TABLE_LEN];
1301 
1302 	/* We do not allow change in unsupported parameters */
1303 	if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1304 		return -EOPNOTSUPP;
1305 
1306 	if (indir) {
1307 		struct be_rx_obj *rxo;
1308 
1309 		for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1310 			j = indir[i];
1311 			rxo = &adapter->rx_obj[j];
1312 			rsstable[i] = rxo->rss_id;
1313 			adapter->rss_info.rss_queue[i] = j;
1314 		}
1315 	} else {
1316 		memcpy(rsstable, adapter->rss_info.rsstable,
1317 		       RSS_INDIR_TABLE_LEN);
1318 	}
1319 
1320 	if (!hkey)
1321 		hkey =  adapter->rss_info.rss_hkey;
1322 
1323 	rc = be_cmd_rss_config(adapter, rsstable,
1324 			       adapter->rss_info.rss_flags,
1325 			       RSS_INDIR_TABLE_LEN, hkey);
1326 	if (rc) {
1327 		adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1328 		return -EIO;
1329 	}
1330 	memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1331 	memcpy(adapter->rss_info.rsstable, rsstable,
1332 	       RSS_INDIR_TABLE_LEN);
1333 	return 0;
1334 }
1335 
be_get_module_info(struct net_device * netdev,struct ethtool_modinfo * modinfo)1336 static int be_get_module_info(struct net_device *netdev,
1337 			      struct ethtool_modinfo *modinfo)
1338 {
1339 	struct be_adapter *adapter = netdev_priv(netdev);
1340 	u8 page_data[PAGE_DATA_LEN];
1341 	int status;
1342 
1343 	if (!check_privilege(adapter, MAX_PRIVILEGES))
1344 		return -EOPNOTSUPP;
1345 
1346 	status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1347 						   0, PAGE_DATA_LEN, page_data);
1348 	if (!status) {
1349 		if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1350 			modinfo->type = ETH_MODULE_SFF_8079;
1351 			modinfo->eeprom_len = PAGE_DATA_LEN;
1352 		} else {
1353 			modinfo->type = ETH_MODULE_SFF_8472;
1354 			modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1355 		}
1356 	}
1357 	return be_cmd_status(status);
1358 }
1359 
be_get_module_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * data)1360 static int be_get_module_eeprom(struct net_device *netdev,
1361 				struct ethtool_eeprom *eeprom, u8 *data)
1362 {
1363 	struct be_adapter *adapter = netdev_priv(netdev);
1364 	int status;
1365 	u32 begin, end;
1366 
1367 	if (!check_privilege(adapter, MAX_PRIVILEGES))
1368 		return -EOPNOTSUPP;
1369 
1370 	begin = eeprom->offset;
1371 	end = eeprom->offset + eeprom->len;
1372 
1373 	if (begin < PAGE_DATA_LEN) {
1374 		status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, begin,
1375 							   min_t(u32, end, PAGE_DATA_LEN) - begin,
1376 							   data);
1377 		if (status)
1378 			goto err;
1379 
1380 		data += PAGE_DATA_LEN - begin;
1381 		begin = PAGE_DATA_LEN;
1382 	}
1383 
1384 	if (end > PAGE_DATA_LEN) {
1385 		status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A2,
1386 							   begin - PAGE_DATA_LEN,
1387 							   end - begin, data);
1388 		if (status)
1389 			goto err;
1390 	}
1391 err:
1392 	return be_cmd_status(status);
1393 }
1394 
be_get_priv_flags(struct net_device * netdev)1395 static u32 be_get_priv_flags(struct net_device *netdev)
1396 {
1397 	struct be_adapter *adapter = netdev_priv(netdev);
1398 
1399 	return adapter->priv_flags;
1400 }
1401 
be_set_priv_flags(struct net_device * netdev,u32 flags)1402 static int be_set_priv_flags(struct net_device *netdev, u32 flags)
1403 {
1404 	struct be_adapter *adapter = netdev_priv(netdev);
1405 	bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
1406 	bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
1407 
1408 	if (tpe_old != tpe_new) {
1409 		if (tpe_new) {
1410 			adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
1411 			dev_info(&adapter->pdev->dev,
1412 				 "HW error recovery is disabled\n");
1413 		} else {
1414 			adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
1415 			dev_info(&adapter->pdev->dev,
1416 				 "HW error recovery is enabled\n");
1417 		}
1418 	}
1419 
1420 	return 0;
1421 }
1422 
1423 const struct ethtool_ops be_ethtool_ops = {
1424 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1425 				     ETHTOOL_COALESCE_USE_ADAPTIVE |
1426 				     ETHTOOL_COALESCE_USECS_LOW_HIGH,
1427 	.get_drvinfo = be_get_drvinfo,
1428 	.get_wol = be_get_wol,
1429 	.set_wol = be_set_wol,
1430 	.get_link = ethtool_op_get_link,
1431 	.get_eeprom_len = be_get_eeprom_len,
1432 	.get_eeprom = be_read_eeprom,
1433 	.get_coalesce = be_get_coalesce,
1434 	.set_coalesce = be_set_coalesce,
1435 	.get_ringparam = be_get_ringparam,
1436 	.get_pauseparam = be_get_pauseparam,
1437 	.set_pauseparam = be_set_pauseparam,
1438 	.set_priv_flags = be_set_priv_flags,
1439 	.get_priv_flags = be_get_priv_flags,
1440 	.get_strings = be_get_stat_strings,
1441 	.set_phys_id = be_set_phys_id,
1442 	.set_dump = be_set_dump,
1443 	.get_msglevel = be_get_msg_level,
1444 	.set_msglevel = be_set_msg_level,
1445 	.get_sset_count = be_get_sset_count,
1446 	.get_ethtool_stats = be_get_ethtool_stats,
1447 	.flash_device = be_do_flash,
1448 	.self_test = be_self_test,
1449 	.get_rxnfc = be_get_rxnfc,
1450 	.set_rxnfc = be_set_rxnfc,
1451 	.get_rxfh_indir_size = be_get_rxfh_indir_size,
1452 	.get_rxfh_key_size = be_get_rxfh_key_size,
1453 	.get_rxfh = be_get_rxfh,
1454 	.set_rxfh = be_set_rxfh,
1455 	.get_dump_flag = be_get_dump_flag,
1456 	.get_dump_data = be_get_dump_data,
1457 	.get_channels = be_get_channels,
1458 	.set_channels = be_set_channels,
1459 	.get_module_info = be_get_module_info,
1460 	.get_module_eeprom = be_get_module_eeprom,
1461 	.get_link_ksettings = be_get_link_ksettings,
1462 };
1463