1 /*
2  *  Copyright (C) 2013-2015 Chelsio Communications.  All rights reserved.
3  *
4  *  This program is free software; you can redistribute it and/or modify it
5  *  under the terms and conditions of the GNU General Public License,
6  *  version 2, as published by the Free Software Foundation.
7  *
8  *  This program is distributed in the hope it will be useful, but WITHOUT
9  *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11  *  more details.
12  *
13  *  The full GNU General Public License is included in this distribution in
14  *  the file called "COPYING".
15  *
16  */
17 
18 #include <linux/firmware.h>
19 #include <linux/mdio.h>
20 
21 #include "cxgb4.h"
22 #include "t4_regs.h"
23 #include "t4fw_api.h"
24 
25 #define EEPROM_MAGIC 0x38E2F10C
26 
27 static u32 get_msglevel(struct net_device *dev)
28 {
29 	return netdev2adap(dev)->msg_enable;
30 }
31 
32 static void set_msglevel(struct net_device *dev, u32 val)
33 {
34 	netdev2adap(dev)->msg_enable = val;
35 }
36 
37 static const char stats_strings[][ETH_GSTRING_LEN] = {
38 	"tx_octets_ok           ",
39 	"tx_frames_ok           ",
40 	"tx_broadcast_frames    ",
41 	"tx_multicast_frames    ",
42 	"tx_unicast_frames      ",
43 	"tx_error_frames        ",
44 
45 	"tx_frames_64           ",
46 	"tx_frames_65_to_127    ",
47 	"tx_frames_128_to_255   ",
48 	"tx_frames_256_to_511   ",
49 	"tx_frames_512_to_1023  ",
50 	"tx_frames_1024_to_1518 ",
51 	"tx_frames_1519_to_max  ",
52 
53 	"tx_frames_dropped      ",
54 	"tx_pause_frames        ",
55 	"tx_ppp0_frames         ",
56 	"tx_ppp1_frames         ",
57 	"tx_ppp2_frames         ",
58 	"tx_ppp3_frames         ",
59 	"tx_ppp4_frames         ",
60 	"tx_ppp5_frames         ",
61 	"tx_ppp6_frames         ",
62 	"tx_ppp7_frames         ",
63 
64 	"rx_octets_ok           ",
65 	"rx_frames_ok           ",
66 	"rx_broadcast_frames    ",
67 	"rx_multicast_frames    ",
68 	"rx_unicast_frames      ",
69 
70 	"rx_frames_too_long     ",
71 	"rx_jabber_errors       ",
72 	"rx_fcs_errors          ",
73 	"rx_length_errors       ",
74 	"rx_symbol_errors       ",
75 	"rx_runt_frames         ",
76 
77 	"rx_frames_64           ",
78 	"rx_frames_65_to_127    ",
79 	"rx_frames_128_to_255   ",
80 	"rx_frames_256_to_511   ",
81 	"rx_frames_512_to_1023  ",
82 	"rx_frames_1024_to_1518 ",
83 	"rx_frames_1519_to_max  ",
84 
85 	"rx_pause_frames        ",
86 	"rx_ppp0_frames         ",
87 	"rx_ppp1_frames         ",
88 	"rx_ppp2_frames         ",
89 	"rx_ppp3_frames         ",
90 	"rx_ppp4_frames         ",
91 	"rx_ppp5_frames         ",
92 	"rx_ppp6_frames         ",
93 	"rx_ppp7_frames         ",
94 
95 	"rx_bg0_frames_dropped  ",
96 	"rx_bg1_frames_dropped  ",
97 	"rx_bg2_frames_dropped  ",
98 	"rx_bg3_frames_dropped  ",
99 	"rx_bg0_frames_trunc    ",
100 	"rx_bg1_frames_trunc    ",
101 	"rx_bg2_frames_trunc    ",
102 	"rx_bg3_frames_trunc    ",
103 
104 	"tso                    ",
105 	"tx_csum_offload        ",
106 	"rx_csum_good           ",
107 	"vlan_extractions       ",
108 	"vlan_insertions        ",
109 	"gro_packets            ",
110 	"gro_merged             ",
111 };
112 
113 static char adapter_stats_strings[][ETH_GSTRING_LEN] = {
114 	"db_drop                ",
115 	"db_full                ",
116 	"db_empty               ",
117 	"tcp_ipv4_out_rsts      ",
118 	"tcp_ipv4_in_segs       ",
119 	"tcp_ipv4_out_segs      ",
120 	"tcp_ipv4_retrans_segs  ",
121 	"tcp_ipv6_out_rsts      ",
122 	"tcp_ipv6_in_segs       ",
123 	"tcp_ipv6_out_segs      ",
124 	"tcp_ipv6_retrans_segs  ",
125 	"usm_ddp_frames         ",
126 	"usm_ddp_octets         ",
127 	"usm_ddp_drops          ",
128 	"rdma_no_rqe_mod_defer  ",
129 	"rdma_no_rqe_pkt_defer  ",
130 	"tp_err_ofld_no_neigh   ",
131 	"tp_err_ofld_cong_defer ",
132 	"write_coal_success     ",
133 	"write_coal_fail        ",
134 };
135 
136 static char channel_stats_strings[][ETH_GSTRING_LEN] = {
137 	"--------Channel--------- ",
138 	"tp_cpl_requests        ",
139 	"tp_cpl_responses       ",
140 	"tp_mac_in_errs         ",
141 	"tp_hdr_in_errs         ",
142 	"tp_tcp_in_errs         ",
143 	"tp_tcp6_in_errs        ",
144 	"tp_tnl_cong_drops      ",
145 	"tp_tnl_tx_drops        ",
146 	"tp_ofld_vlan_drops     ",
147 	"tp_ofld_chan_drops     ",
148 	"fcoe_octets_ddp        ",
149 	"fcoe_frames_ddp        ",
150 	"fcoe_frames_drop       ",
151 };
152 
153 static char loopback_stats_strings[][ETH_GSTRING_LEN] = {
154 	"-------Loopback----------- ",
155 	"octets_ok              ",
156 	"frames_ok              ",
157 	"bcast_frames           ",
158 	"mcast_frames           ",
159 	"ucast_frames           ",
160 	"error_frames           ",
161 	"frames_64              ",
162 	"frames_65_to_127       ",
163 	"frames_128_to_255      ",
164 	"frames_256_to_511      ",
165 	"frames_512_to_1023     ",
166 	"frames_1024_to_1518    ",
167 	"frames_1519_to_max     ",
168 	"frames_dropped         ",
169 	"bg0_frames_dropped     ",
170 	"bg1_frames_dropped     ",
171 	"bg2_frames_dropped     ",
172 	"bg3_frames_dropped     ",
173 	"bg0_frames_trunc       ",
174 	"bg1_frames_trunc       ",
175 	"bg2_frames_trunc       ",
176 	"bg3_frames_trunc       ",
177 };
178 
179 static int get_sset_count(struct net_device *dev, int sset)
180 {
181 	switch (sset) {
182 	case ETH_SS_STATS:
183 		return ARRAY_SIZE(stats_strings) +
184 		       ARRAY_SIZE(adapter_stats_strings) +
185 		       ARRAY_SIZE(channel_stats_strings) +
186 		       ARRAY_SIZE(loopback_stats_strings);
187 	default:
188 		return -EOPNOTSUPP;
189 	}
190 }
191 
192 static int get_regs_len(struct net_device *dev)
193 {
194 	struct adapter *adap = netdev2adap(dev);
195 
196 	return t4_get_regs_len(adap);
197 }
198 
199 static int get_eeprom_len(struct net_device *dev)
200 {
201 	return EEPROMSIZE;
202 }
203 
204 static void get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
205 {
206 	struct adapter *adapter = netdev2adap(dev);
207 	u32 exprom_vers;
208 
209 	strlcpy(info->driver, cxgb4_driver_name, sizeof(info->driver));
210 	strlcpy(info->version, cxgb4_driver_version,
211 		sizeof(info->version));
212 	strlcpy(info->bus_info, pci_name(adapter->pdev),
213 		sizeof(info->bus_info));
214 	info->regdump_len = get_regs_len(dev);
215 
216 	if (!adapter->params.fw_vers)
217 		strcpy(info->fw_version, "N/A");
218 	else
219 		snprintf(info->fw_version, sizeof(info->fw_version),
220 			 "%u.%u.%u.%u, TP %u.%u.%u.%u",
221 			 FW_HDR_FW_VER_MAJOR_G(adapter->params.fw_vers),
222 			 FW_HDR_FW_VER_MINOR_G(adapter->params.fw_vers),
223 			 FW_HDR_FW_VER_MICRO_G(adapter->params.fw_vers),
224 			 FW_HDR_FW_VER_BUILD_G(adapter->params.fw_vers),
225 			 FW_HDR_FW_VER_MAJOR_G(adapter->params.tp_vers),
226 			 FW_HDR_FW_VER_MINOR_G(adapter->params.tp_vers),
227 			 FW_HDR_FW_VER_MICRO_G(adapter->params.tp_vers),
228 			 FW_HDR_FW_VER_BUILD_G(adapter->params.tp_vers));
229 
230 	if (!t4_get_exprom_version(adapter, &exprom_vers))
231 		snprintf(info->erom_version, sizeof(info->erom_version),
232 			 "%u.%u.%u.%u",
233 			 FW_HDR_FW_VER_MAJOR_G(exprom_vers),
234 			 FW_HDR_FW_VER_MINOR_G(exprom_vers),
235 			 FW_HDR_FW_VER_MICRO_G(exprom_vers),
236 			 FW_HDR_FW_VER_BUILD_G(exprom_vers));
237 }
238 
239 static void get_strings(struct net_device *dev, u32 stringset, u8 *data)
240 {
241 	if (stringset == ETH_SS_STATS) {
242 		memcpy(data, stats_strings, sizeof(stats_strings));
243 		data += sizeof(stats_strings);
244 		memcpy(data, adapter_stats_strings,
245 		       sizeof(adapter_stats_strings));
246 		data += sizeof(adapter_stats_strings);
247 		memcpy(data, channel_stats_strings,
248 		       sizeof(channel_stats_strings));
249 		data += sizeof(channel_stats_strings);
250 		memcpy(data, loopback_stats_strings,
251 		       sizeof(loopback_stats_strings));
252 	}
253 }
254 
255 /* port stats maintained per queue of the port. They should be in the same
256  * order as in stats_strings above.
257  */
258 struct queue_port_stats {
259 	u64 tso;
260 	u64 tx_csum;
261 	u64 rx_csum;
262 	u64 vlan_ex;
263 	u64 vlan_ins;
264 	u64 gro_pkts;
265 	u64 gro_merged;
266 };
267 
268 struct adapter_stats {
269 	u64 db_drop;
270 	u64 db_full;
271 	u64 db_empty;
272 	u64 tcp_v4_out_rsts;
273 	u64 tcp_v4_in_segs;
274 	u64 tcp_v4_out_segs;
275 	u64 tcp_v4_retrans_segs;
276 	u64 tcp_v6_out_rsts;
277 	u64 tcp_v6_in_segs;
278 	u64 tcp_v6_out_segs;
279 	u64 tcp_v6_retrans_segs;
280 	u64 frames;
281 	u64 octets;
282 	u64 drops;
283 	u64 rqe_dfr_mod;
284 	u64 rqe_dfr_pkt;
285 	u64 ofld_no_neigh;
286 	u64 ofld_cong_defer;
287 	u64 wc_success;
288 	u64 wc_fail;
289 };
290 
291 struct channel_stats {
292 	u64 cpl_req;
293 	u64 cpl_rsp;
294 	u64 mac_in_errs;
295 	u64 hdr_in_errs;
296 	u64 tcp_in_errs;
297 	u64 tcp6_in_errs;
298 	u64 tnl_cong_drops;
299 	u64 tnl_tx_drops;
300 	u64 ofld_vlan_drops;
301 	u64 ofld_chan_drops;
302 	u64 octets_ddp;
303 	u64 frames_ddp;
304 	u64 frames_drop;
305 };
306 
307 static void collect_sge_port_stats(const struct adapter *adap,
308 				   const struct port_info *p,
309 				   struct queue_port_stats *s)
310 {
311 	int i;
312 	const struct sge_eth_txq *tx = &adap->sge.ethtxq[p->first_qset];
313 	const struct sge_eth_rxq *rx = &adap->sge.ethrxq[p->first_qset];
314 
315 	memset(s, 0, sizeof(*s));
316 	for (i = 0; i < p->nqsets; i++, rx++, tx++) {
317 		s->tso += tx->tso;
318 		s->tx_csum += tx->tx_cso;
319 		s->rx_csum += rx->stats.rx_cso;
320 		s->vlan_ex += rx->stats.vlan_ex;
321 		s->vlan_ins += tx->vlan_ins;
322 		s->gro_pkts += rx->stats.lro_pkts;
323 		s->gro_merged += rx->stats.lro_merged;
324 	}
325 }
326 
327 static void collect_adapter_stats(struct adapter *adap, struct adapter_stats *s)
328 {
329 	struct tp_tcp_stats v4, v6;
330 	struct tp_rdma_stats rdma_stats;
331 	struct tp_err_stats err_stats;
332 	struct tp_usm_stats usm_stats;
333 	u64 val1, val2;
334 
335 	memset(s, 0, sizeof(*s));
336 
337 	spin_lock(&adap->stats_lock);
338 	t4_tp_get_tcp_stats(adap, &v4, &v6);
339 	t4_tp_get_rdma_stats(adap, &rdma_stats);
340 	t4_get_usm_stats(adap, &usm_stats);
341 	t4_tp_get_err_stats(adap, &err_stats);
342 	spin_unlock(&adap->stats_lock);
343 
344 	s->db_drop = adap->db_stats.db_drop;
345 	s->db_full = adap->db_stats.db_full;
346 	s->db_empty = adap->db_stats.db_empty;
347 
348 	s->tcp_v4_out_rsts = v4.tcp_out_rsts;
349 	s->tcp_v4_in_segs = v4.tcp_in_segs;
350 	s->tcp_v4_out_segs = v4.tcp_out_segs;
351 	s->tcp_v4_retrans_segs = v4.tcp_retrans_segs;
352 	s->tcp_v6_out_rsts = v6.tcp_out_rsts;
353 	s->tcp_v6_in_segs = v6.tcp_in_segs;
354 	s->tcp_v6_out_segs = v6.tcp_out_segs;
355 	s->tcp_v6_retrans_segs = v6.tcp_retrans_segs;
356 
357 	if (is_offload(adap)) {
358 		s->frames = usm_stats.frames;
359 		s->octets = usm_stats.octets;
360 		s->drops = usm_stats.drops;
361 		s->rqe_dfr_mod = rdma_stats.rqe_dfr_mod;
362 		s->rqe_dfr_pkt = rdma_stats.rqe_dfr_pkt;
363 	}
364 
365 	s->ofld_no_neigh = err_stats.ofld_no_neigh;
366 	s->ofld_cong_defer = err_stats.ofld_cong_defer;
367 
368 	if (!is_t4(adap->params.chip)) {
369 		int v;
370 
371 		v = t4_read_reg(adap, SGE_STAT_CFG_A);
372 		if (STATSOURCE_T5_G(v) == 7) {
373 			val2 = t4_read_reg(adap, SGE_STAT_MATCH_A);
374 			val1 = t4_read_reg(adap, SGE_STAT_TOTAL_A);
375 			s->wc_success = val1 - val2;
376 			s->wc_fail = val2;
377 		}
378 	}
379 }
380 
381 static void collect_channel_stats(struct adapter *adap, struct channel_stats *s,
382 				  u8 i)
383 {
384 	struct tp_cpl_stats cpl_stats;
385 	struct tp_err_stats err_stats;
386 	struct tp_fcoe_stats fcoe_stats;
387 
388 	memset(s, 0, sizeof(*s));
389 
390 	spin_lock(&adap->stats_lock);
391 	t4_tp_get_cpl_stats(adap, &cpl_stats);
392 	t4_tp_get_err_stats(adap, &err_stats);
393 	t4_get_fcoe_stats(adap, i, &fcoe_stats);
394 	spin_unlock(&adap->stats_lock);
395 
396 	s->cpl_req = cpl_stats.req[i];
397 	s->cpl_rsp = cpl_stats.rsp[i];
398 	s->mac_in_errs = err_stats.mac_in_errs[i];
399 	s->hdr_in_errs = err_stats.hdr_in_errs[i];
400 	s->tcp_in_errs = err_stats.tcp_in_errs[i];
401 	s->tcp6_in_errs = err_stats.tcp6_in_errs[i];
402 	s->tnl_cong_drops = err_stats.tnl_cong_drops[i];
403 	s->tnl_tx_drops = err_stats.tnl_tx_drops[i];
404 	s->ofld_vlan_drops = err_stats.ofld_vlan_drops[i];
405 	s->ofld_chan_drops = err_stats.ofld_chan_drops[i];
406 	s->octets_ddp = fcoe_stats.octets_ddp;
407 	s->frames_ddp = fcoe_stats.frames_ddp;
408 	s->frames_drop = fcoe_stats.frames_drop;
409 }
410 
411 static void get_stats(struct net_device *dev, struct ethtool_stats *stats,
412 		      u64 *data)
413 {
414 	struct port_info *pi = netdev_priv(dev);
415 	struct adapter *adapter = pi->adapter;
416 	struct lb_port_stats s;
417 	int i;
418 	u64 *p0;
419 
420 	t4_get_port_stats_offset(adapter, pi->tx_chan,
421 				 (struct port_stats *)data,
422 				 &pi->stats_base);
423 
424 	data += sizeof(struct port_stats) / sizeof(u64);
425 	collect_sge_port_stats(adapter, pi, (struct queue_port_stats *)data);
426 	data += sizeof(struct queue_port_stats) / sizeof(u64);
427 	collect_adapter_stats(adapter, (struct adapter_stats *)data);
428 	data += sizeof(struct adapter_stats) / sizeof(u64);
429 
430 	*data++ = (u64)pi->port_id;
431 	collect_channel_stats(adapter, (struct channel_stats *)data,
432 			      pi->port_id);
433 	data += sizeof(struct channel_stats) / sizeof(u64);
434 
435 	*data++ = (u64)pi->port_id;
436 	memset(&s, 0, sizeof(s));
437 	t4_get_lb_stats(adapter, pi->port_id, &s);
438 
439 	p0 = &s.octets;
440 	for (i = 0; i < ARRAY_SIZE(loopback_stats_strings) - 1; i++)
441 		*data++ = (unsigned long long)*p0++;
442 }
443 
444 static void get_regs(struct net_device *dev, struct ethtool_regs *regs,
445 		     void *buf)
446 {
447 	struct adapter *adap = netdev2adap(dev);
448 	size_t buf_size;
449 
450 	buf_size = t4_get_regs_len(adap);
451 	regs->version = mk_adap_vers(adap);
452 	t4_get_regs(adap, buf, buf_size);
453 }
454 
455 static int restart_autoneg(struct net_device *dev)
456 {
457 	struct port_info *p = netdev_priv(dev);
458 
459 	if (!netif_running(dev))
460 		return -EAGAIN;
461 	if (p->link_cfg.autoneg != AUTONEG_ENABLE)
462 		return -EINVAL;
463 	t4_restart_aneg(p->adapter, p->adapter->pf, p->tx_chan);
464 	return 0;
465 }
466 
467 static int identify_port(struct net_device *dev,
468 			 enum ethtool_phys_id_state state)
469 {
470 	unsigned int val;
471 	struct adapter *adap = netdev2adap(dev);
472 
473 	if (state == ETHTOOL_ID_ACTIVE)
474 		val = 0xffff;
475 	else if (state == ETHTOOL_ID_INACTIVE)
476 		val = 0;
477 	else
478 		return -EINVAL;
479 
480 	return t4_identify_port(adap, adap->pf, netdev2pinfo(dev)->viid, val);
481 }
482 
483 /**
484  *	from_fw_port_mod_type - translate Firmware Port/Module type to Ethtool
485  *	@port_type: Firmware Port Type
486  *	@mod_type: Firmware Module Type
487  *
488  *	Translate Firmware Port/Module type to Ethtool Port Type.
489  */
490 static int from_fw_port_mod_type(enum fw_port_type port_type,
491 				 enum fw_port_module_type mod_type)
492 {
493 	if (port_type == FW_PORT_TYPE_BT_SGMII ||
494 	    port_type == FW_PORT_TYPE_BT_XFI ||
495 	    port_type == FW_PORT_TYPE_BT_XAUI) {
496 		return PORT_TP;
497 	} else if (port_type == FW_PORT_TYPE_FIBER_XFI ||
498 		   port_type == FW_PORT_TYPE_FIBER_XAUI) {
499 		return PORT_FIBRE;
500 	} else if (port_type == FW_PORT_TYPE_SFP ||
501 		   port_type == FW_PORT_TYPE_QSFP_10G ||
502 		   port_type == FW_PORT_TYPE_QSA ||
503 		   port_type == FW_PORT_TYPE_QSFP) {
504 		if (mod_type == FW_PORT_MOD_TYPE_LR ||
505 		    mod_type == FW_PORT_MOD_TYPE_SR ||
506 		    mod_type == FW_PORT_MOD_TYPE_ER ||
507 		    mod_type == FW_PORT_MOD_TYPE_LRM)
508 			return PORT_FIBRE;
509 		else if (mod_type == FW_PORT_MOD_TYPE_TWINAX_PASSIVE ||
510 			 mod_type == FW_PORT_MOD_TYPE_TWINAX_ACTIVE)
511 			return PORT_DA;
512 		else
513 			return PORT_OTHER;
514 	}
515 
516 	return PORT_OTHER;
517 }
518 
519 /**
520  *	speed_to_fw_caps - translate Port Speed to Firmware Port Capabilities
521  *	@speed: speed in Kb/s
522  *
523  *	Translates a specific Port Speed into a Firmware Port Capabilities
524  *	value.
525  */
526 static unsigned int speed_to_fw_caps(int speed)
527 {
528 	if (speed == 100)
529 		return FW_PORT_CAP_SPEED_100M;
530 	if (speed == 1000)
531 		return FW_PORT_CAP_SPEED_1G;
532 	if (speed == 10000)
533 		return FW_PORT_CAP_SPEED_10G;
534 	if (speed == 25000)
535 		return FW_PORT_CAP_SPEED_25G;
536 	if (speed == 40000)
537 		return FW_PORT_CAP_SPEED_40G;
538 	if (speed == 100000)
539 		return FW_PORT_CAP_SPEED_100G;
540 	return 0;
541 }
542 
543 /**
544  *	fw_caps_to_lmm - translate Firmware to ethtool Link Mode Mask
545  *	@port_type: Firmware Port Type
546  *	@fw_caps: Firmware Port Capabilities
547  *	@link_mode_mask: ethtool Link Mode Mask
548  *
549  *	Translate a Firmware Port Capabilities specification to an ethtool
550  *	Link Mode Mask.
551  */
552 static void fw_caps_to_lmm(enum fw_port_type port_type,
553 			   unsigned int fw_caps,
554 			   unsigned long *link_mode_mask)
555 {
556 	#define SET_LMM(__lmm_name) __set_bit(ETHTOOL_LINK_MODE_ ## __lmm_name \
557 					## _BIT, link_mode_mask)
558 
559 	#define FW_CAPS_TO_LMM(__fw_name, __lmm_name) \
560 		do { \
561 			if (fw_caps & FW_PORT_CAP_ ## __fw_name) \
562 				SET_LMM(__lmm_name); \
563 		} while (0)
564 
565 	switch (port_type) {
566 	case FW_PORT_TYPE_BT_SGMII:
567 	case FW_PORT_TYPE_BT_XFI:
568 	case FW_PORT_TYPE_BT_XAUI:
569 		SET_LMM(TP);
570 		FW_CAPS_TO_LMM(SPEED_100M, 100baseT_Full);
571 		FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full);
572 		FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full);
573 		break;
574 
575 	case FW_PORT_TYPE_KX4:
576 	case FW_PORT_TYPE_KX:
577 		SET_LMM(Backplane);
578 		FW_CAPS_TO_LMM(SPEED_1G, 1000baseKX_Full);
579 		FW_CAPS_TO_LMM(SPEED_10G, 10000baseKX4_Full);
580 		break;
581 
582 	case FW_PORT_TYPE_KR:
583 		SET_LMM(Backplane);
584 		SET_LMM(10000baseKR_Full);
585 		break;
586 
587 	case FW_PORT_TYPE_BP_AP:
588 		SET_LMM(Backplane);
589 		SET_LMM(10000baseR_FEC);
590 		SET_LMM(10000baseKR_Full);
591 		SET_LMM(1000baseKX_Full);
592 		break;
593 
594 	case FW_PORT_TYPE_BP4_AP:
595 		SET_LMM(Backplane);
596 		SET_LMM(10000baseR_FEC);
597 		SET_LMM(10000baseKR_Full);
598 		SET_LMM(1000baseKX_Full);
599 		SET_LMM(10000baseKX4_Full);
600 		break;
601 
602 	case FW_PORT_TYPE_FIBER_XFI:
603 	case FW_PORT_TYPE_FIBER_XAUI:
604 	case FW_PORT_TYPE_SFP:
605 	case FW_PORT_TYPE_QSFP_10G:
606 	case FW_PORT_TYPE_QSA:
607 		SET_LMM(FIBRE);
608 		FW_CAPS_TO_LMM(SPEED_1G, 1000baseT_Full);
609 		FW_CAPS_TO_LMM(SPEED_10G, 10000baseT_Full);
610 		break;
611 
612 	case FW_PORT_TYPE_BP40_BA:
613 	case FW_PORT_TYPE_QSFP:
614 		SET_LMM(FIBRE);
615 		SET_LMM(40000baseSR4_Full);
616 		break;
617 
618 	case FW_PORT_TYPE_CR_QSFP:
619 	case FW_PORT_TYPE_SFP28:
620 		SET_LMM(FIBRE);
621 		SET_LMM(25000baseCR_Full);
622 		break;
623 
624 	case FW_PORT_TYPE_KR4_100G:
625 	case FW_PORT_TYPE_CR4_QSFP:
626 		SET_LMM(FIBRE);
627 		SET_LMM(100000baseCR4_Full);
628 		break;
629 
630 	default:
631 		break;
632 	}
633 
634 	FW_CAPS_TO_LMM(ANEG, Autoneg);
635 	FW_CAPS_TO_LMM(802_3_PAUSE, Pause);
636 	FW_CAPS_TO_LMM(802_3_ASM_DIR, Asym_Pause);
637 
638 	#undef FW_CAPS_TO_LMM
639 	#undef SET_LMM
640 }
641 
642 /**
643  *	lmm_to_fw_caps - translate ethtool Link Mode Mask to Firmware
644  *	capabilities
645  *
646  *	@link_mode_mask: ethtool Link Mode Mask
647  *
648  *	Translate ethtool Link Mode Mask into a Firmware Port capabilities
649  *	value.
650  */
651 static unsigned int lmm_to_fw_caps(const unsigned long *link_mode_mask)
652 {
653 	unsigned int fw_caps = 0;
654 
655 	#define LMM_TO_FW_CAPS(__lmm_name, __fw_name) \
656 		do { \
657 			if (test_bit(ETHTOOL_LINK_MODE_ ## __lmm_name ## _BIT, \
658 				     link_mode_mask)) \
659 				fw_caps |= FW_PORT_CAP_ ## __fw_name; \
660 		} while (0)
661 
662 	LMM_TO_FW_CAPS(100baseT_Full, SPEED_100M);
663 	LMM_TO_FW_CAPS(1000baseT_Full, SPEED_1G);
664 	LMM_TO_FW_CAPS(10000baseT_Full, SPEED_10G);
665 	LMM_TO_FW_CAPS(40000baseSR4_Full, SPEED_40G);
666 	LMM_TO_FW_CAPS(25000baseCR_Full, SPEED_25G);
667 	LMM_TO_FW_CAPS(100000baseCR4_Full, SPEED_100G);
668 
669 	#undef LMM_TO_FW_CAPS
670 
671 	return fw_caps;
672 }
673 
674 static int get_link_ksettings(struct net_device *dev,
675 			      struct ethtool_link_ksettings *link_ksettings)
676 {
677 	const struct port_info *pi = netdev_priv(dev);
678 	struct ethtool_link_settings *base = &link_ksettings->base;
679 
680 	ethtool_link_ksettings_zero_link_mode(link_ksettings, supported);
681 	ethtool_link_ksettings_zero_link_mode(link_ksettings, advertising);
682 	ethtool_link_ksettings_zero_link_mode(link_ksettings, lp_advertising);
683 
684 	base->port = from_fw_port_mod_type(pi->port_type, pi->mod_type);
685 
686 	if (pi->mdio_addr >= 0) {
687 		base->phy_address = pi->mdio_addr;
688 		base->mdio_support = (pi->port_type == FW_PORT_TYPE_BT_SGMII
689 				      ? ETH_MDIO_SUPPORTS_C22
690 				      : ETH_MDIO_SUPPORTS_C45);
691 	} else {
692 		base->phy_address = 255;
693 		base->mdio_support = 0;
694 	}
695 
696 	fw_caps_to_lmm(pi->port_type, pi->link_cfg.supported,
697 		       link_ksettings->link_modes.supported);
698 	fw_caps_to_lmm(pi->port_type, pi->link_cfg.advertising,
699 		       link_ksettings->link_modes.advertising);
700 	fw_caps_to_lmm(pi->port_type, pi->link_cfg.lp_advertising,
701 		       link_ksettings->link_modes.lp_advertising);
702 
703 	if (netif_carrier_ok(dev)) {
704 		base->speed = pi->link_cfg.speed;
705 		base->duplex = DUPLEX_FULL;
706 	} else {
707 		base->speed = SPEED_UNKNOWN;
708 		base->duplex = DUPLEX_UNKNOWN;
709 	}
710 
711 	base->autoneg = pi->link_cfg.autoneg;
712 	if (pi->link_cfg.supported & FW_PORT_CAP_ANEG)
713 		ethtool_link_ksettings_add_link_mode(link_ksettings,
714 						     supported, Autoneg);
715 	if (pi->link_cfg.autoneg)
716 		ethtool_link_ksettings_add_link_mode(link_ksettings,
717 						     advertising, Autoneg);
718 
719 	return 0;
720 }
721 
722 static int set_link_ksettings(struct net_device *dev,
723 			      const struct ethtool_link_ksettings
724 						*link_ksettings)
725 {
726 	struct port_info *pi = netdev_priv(dev);
727 	struct link_config *lc = &pi->link_cfg;
728 	const struct ethtool_link_settings *base = &link_ksettings->base;
729 	struct link_config old_lc;
730 	unsigned int fw_caps;
731 	int ret = 0;
732 
733 	/* only full-duplex supported */
734 	if (base->duplex != DUPLEX_FULL)
735 		return -EINVAL;
736 
737 	if (!(lc->supported & FW_PORT_CAP_ANEG)) {
738 		/* PHY offers a single speed.  See if that's what's
739 		 * being requested.
740 		 */
741 		if (base->autoneg == AUTONEG_DISABLE &&
742 		    (lc->supported & speed_to_fw_caps(base->speed)))
743 			return 0;
744 		return -EINVAL;
745 	}
746 
747 	old_lc = *lc;
748 	if (base->autoneg == AUTONEG_DISABLE) {
749 		fw_caps = speed_to_fw_caps(base->speed);
750 
751 		if (!(lc->supported & fw_caps))
752 			return -EINVAL;
753 		lc->requested_speed = fw_caps;
754 		lc->advertising = 0;
755 	} else {
756 		fw_caps =
757 			lmm_to_fw_caps(link_ksettings->link_modes.advertising);
758 
759 		if (!(lc->supported & fw_caps))
760 			return -EINVAL;
761 		lc->requested_speed = 0;
762 		lc->advertising = fw_caps | FW_PORT_CAP_ANEG;
763 	}
764 	lc->autoneg = base->autoneg;
765 
766 	/* If the firmware rejects the Link Configuration request, back out
767 	 * the changes and report the error.
768 	 */
769 	ret = t4_link_l1cfg(pi->adapter, pi->adapter->mbox, pi->tx_chan, lc);
770 	if (ret)
771 		*lc = old_lc;
772 
773 	return ret;
774 }
775 
776 static void get_pauseparam(struct net_device *dev,
777 			   struct ethtool_pauseparam *epause)
778 {
779 	struct port_info *p = netdev_priv(dev);
780 
781 	epause->autoneg = (p->link_cfg.requested_fc & PAUSE_AUTONEG) != 0;
782 	epause->rx_pause = (p->link_cfg.fc & PAUSE_RX) != 0;
783 	epause->tx_pause = (p->link_cfg.fc & PAUSE_TX) != 0;
784 }
785 
786 static int set_pauseparam(struct net_device *dev,
787 			  struct ethtool_pauseparam *epause)
788 {
789 	struct port_info *p = netdev_priv(dev);
790 	struct link_config *lc = &p->link_cfg;
791 
792 	if (epause->autoneg == AUTONEG_DISABLE)
793 		lc->requested_fc = 0;
794 	else if (lc->supported & FW_PORT_CAP_ANEG)
795 		lc->requested_fc = PAUSE_AUTONEG;
796 	else
797 		return -EINVAL;
798 
799 	if (epause->rx_pause)
800 		lc->requested_fc |= PAUSE_RX;
801 	if (epause->tx_pause)
802 		lc->requested_fc |= PAUSE_TX;
803 	if (netif_running(dev))
804 		return t4_link_l1cfg(p->adapter, p->adapter->mbox, p->tx_chan,
805 				     lc);
806 	return 0;
807 }
808 
809 static void get_sge_param(struct net_device *dev, struct ethtool_ringparam *e)
810 {
811 	const struct port_info *pi = netdev_priv(dev);
812 	const struct sge *s = &pi->adapter->sge;
813 
814 	e->rx_max_pending = MAX_RX_BUFFERS;
815 	e->rx_mini_max_pending = MAX_RSPQ_ENTRIES;
816 	e->rx_jumbo_max_pending = 0;
817 	e->tx_max_pending = MAX_TXQ_ENTRIES;
818 
819 	e->rx_pending = s->ethrxq[pi->first_qset].fl.size - 8;
820 	e->rx_mini_pending = s->ethrxq[pi->first_qset].rspq.size;
821 	e->rx_jumbo_pending = 0;
822 	e->tx_pending = s->ethtxq[pi->first_qset].q.size;
823 }
824 
825 static int set_sge_param(struct net_device *dev, struct ethtool_ringparam *e)
826 {
827 	int i;
828 	const struct port_info *pi = netdev_priv(dev);
829 	struct adapter *adapter = pi->adapter;
830 	struct sge *s = &adapter->sge;
831 
832 	if (e->rx_pending > MAX_RX_BUFFERS || e->rx_jumbo_pending ||
833 	    e->tx_pending > MAX_TXQ_ENTRIES ||
834 	    e->rx_mini_pending > MAX_RSPQ_ENTRIES ||
835 	    e->rx_mini_pending < MIN_RSPQ_ENTRIES ||
836 	    e->rx_pending < MIN_FL_ENTRIES || e->tx_pending < MIN_TXQ_ENTRIES)
837 		return -EINVAL;
838 
839 	if (adapter->flags & FULL_INIT_DONE)
840 		return -EBUSY;
841 
842 	for (i = 0; i < pi->nqsets; ++i) {
843 		s->ethtxq[pi->first_qset + i].q.size = e->tx_pending;
844 		s->ethrxq[pi->first_qset + i].fl.size = e->rx_pending + 8;
845 		s->ethrxq[pi->first_qset + i].rspq.size = e->rx_mini_pending;
846 	}
847 	return 0;
848 }
849 
850 /**
851  * set_rx_intr_params - set a net devices's RX interrupt holdoff paramete!
852  * @dev: the network device
853  * @us: the hold-off time in us, or 0 to disable timer
854  * @cnt: the hold-off packet count, or 0 to disable counter
855  *
856  * Set the RX interrupt hold-off parameters for a network device.
857  */
858 static int set_rx_intr_params(struct net_device *dev,
859 			      unsigned int us, unsigned int cnt)
860 {
861 	int i, err;
862 	struct port_info *pi = netdev_priv(dev);
863 	struct adapter *adap = pi->adapter;
864 	struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset];
865 
866 	for (i = 0; i < pi->nqsets; i++, q++) {
867 		err = cxgb4_set_rspq_intr_params(&q->rspq, us, cnt);
868 		if (err)
869 			return err;
870 	}
871 	return 0;
872 }
873 
874 static int set_adaptive_rx_setting(struct net_device *dev, int adaptive_rx)
875 {
876 	int i;
877 	struct port_info *pi = netdev_priv(dev);
878 	struct adapter *adap = pi->adapter;
879 	struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset];
880 
881 	for (i = 0; i < pi->nqsets; i++, q++)
882 		q->rspq.adaptive_rx = adaptive_rx;
883 
884 	return 0;
885 }
886 
887 static int get_adaptive_rx_setting(struct net_device *dev)
888 {
889 	struct port_info *pi = netdev_priv(dev);
890 	struct adapter *adap = pi->adapter;
891 	struct sge_eth_rxq *q = &adap->sge.ethrxq[pi->first_qset];
892 
893 	return q->rspq.adaptive_rx;
894 }
895 
896 static int set_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
897 {
898 	set_adaptive_rx_setting(dev, c->use_adaptive_rx_coalesce);
899 	return set_rx_intr_params(dev, c->rx_coalesce_usecs,
900 				  c->rx_max_coalesced_frames);
901 }
902 
903 static int get_coalesce(struct net_device *dev, struct ethtool_coalesce *c)
904 {
905 	const struct port_info *pi = netdev_priv(dev);
906 	const struct adapter *adap = pi->adapter;
907 	const struct sge_rspq *rq = &adap->sge.ethrxq[pi->first_qset].rspq;
908 
909 	c->rx_coalesce_usecs = qtimer_val(adap, rq);
910 	c->rx_max_coalesced_frames = (rq->intr_params & QINTR_CNT_EN_F) ?
911 		adap->sge.counter_val[rq->pktcnt_idx] : 0;
912 	c->use_adaptive_rx_coalesce = get_adaptive_rx_setting(dev);
913 	return 0;
914 }
915 
916 /**
917  *	eeprom_ptov - translate a physical EEPROM address to virtual
918  *	@phys_addr: the physical EEPROM address
919  *	@fn: the PCI function number
920  *	@sz: size of function-specific area
921  *
922  *	Translate a physical EEPROM address to virtual.  The first 1K is
923  *	accessed through virtual addresses starting at 31K, the rest is
924  *	accessed through virtual addresses starting at 0.
925  *
926  *	The mapping is as follows:
927  *	[0..1K) -> [31K..32K)
928  *	[1K..1K+A) -> [31K-A..31K)
929  *	[1K+A..ES) -> [0..ES-A-1K)
930  *
931  *	where A = @fn * @sz, and ES = EEPROM size.
932  */
933 static int eeprom_ptov(unsigned int phys_addr, unsigned int fn, unsigned int sz)
934 {
935 	fn *= sz;
936 	if (phys_addr < 1024)
937 		return phys_addr + (31 << 10);
938 	if (phys_addr < 1024 + fn)
939 		return 31744 - fn + phys_addr - 1024;
940 	if (phys_addr < EEPROMSIZE)
941 		return phys_addr - 1024 - fn;
942 	return -EINVAL;
943 }
944 
945 /* The next two routines implement eeprom read/write from physical addresses.
946  */
947 static int eeprom_rd_phys(struct adapter *adap, unsigned int phys_addr, u32 *v)
948 {
949 	int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
950 
951 	if (vaddr >= 0)
952 		vaddr = pci_read_vpd(adap->pdev, vaddr, sizeof(u32), v);
953 	return vaddr < 0 ? vaddr : 0;
954 }
955 
956 static int eeprom_wr_phys(struct adapter *adap, unsigned int phys_addr, u32 v)
957 {
958 	int vaddr = eeprom_ptov(phys_addr, adap->pf, EEPROMPFSIZE);
959 
960 	if (vaddr >= 0)
961 		vaddr = pci_write_vpd(adap->pdev, vaddr, sizeof(u32), &v);
962 	return vaddr < 0 ? vaddr : 0;
963 }
964 
965 #define EEPROM_MAGIC 0x38E2F10C
966 
967 static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e,
968 		      u8 *data)
969 {
970 	int i, err = 0;
971 	struct adapter *adapter = netdev2adap(dev);
972 	u8 *buf = t4_alloc_mem(EEPROMSIZE);
973 
974 	if (!buf)
975 		return -ENOMEM;
976 
977 	e->magic = EEPROM_MAGIC;
978 	for (i = e->offset & ~3; !err && i < e->offset + e->len; i += 4)
979 		err = eeprom_rd_phys(adapter, i, (u32 *)&buf[i]);
980 
981 	if (!err)
982 		memcpy(data, buf + e->offset, e->len);
983 	t4_free_mem(buf);
984 	return err;
985 }
986 
987 static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
988 		      u8 *data)
989 {
990 	u8 *buf;
991 	int err = 0;
992 	u32 aligned_offset, aligned_len, *p;
993 	struct adapter *adapter = netdev2adap(dev);
994 
995 	if (eeprom->magic != EEPROM_MAGIC)
996 		return -EINVAL;
997 
998 	aligned_offset = eeprom->offset & ~3;
999 	aligned_len = (eeprom->len + (eeprom->offset & 3) + 3) & ~3;
1000 
1001 	if (adapter->pf > 0) {
1002 		u32 start = 1024 + adapter->pf * EEPROMPFSIZE;
1003 
1004 		if (aligned_offset < start ||
1005 		    aligned_offset + aligned_len > start + EEPROMPFSIZE)
1006 			return -EPERM;
1007 	}
1008 
1009 	if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) {
1010 		/* RMW possibly needed for first or last words.
1011 		 */
1012 		buf = t4_alloc_mem(aligned_len);
1013 		if (!buf)
1014 			return -ENOMEM;
1015 		err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf);
1016 		if (!err && aligned_len > 4)
1017 			err = eeprom_rd_phys(adapter,
1018 					     aligned_offset + aligned_len - 4,
1019 					     (u32 *)&buf[aligned_len - 4]);
1020 		if (err)
1021 			goto out;
1022 		memcpy(buf + (eeprom->offset & 3), data, eeprom->len);
1023 	} else {
1024 		buf = data;
1025 	}
1026 
1027 	err = t4_seeprom_wp(adapter, false);
1028 	if (err)
1029 		goto out;
1030 
1031 	for (p = (u32 *)buf; !err && aligned_len; aligned_len -= 4, p++) {
1032 		err = eeprom_wr_phys(adapter, aligned_offset, *p);
1033 		aligned_offset += 4;
1034 	}
1035 
1036 	if (!err)
1037 		err = t4_seeprom_wp(adapter, true);
1038 out:
1039 	if (buf != data)
1040 		t4_free_mem(buf);
1041 	return err;
1042 }
1043 
1044 static int set_flash(struct net_device *netdev, struct ethtool_flash *ef)
1045 {
1046 	int ret;
1047 	const struct firmware *fw;
1048 	struct adapter *adap = netdev2adap(netdev);
1049 	unsigned int mbox = PCIE_FW_MASTER_M + 1;
1050 	u32 pcie_fw;
1051 	unsigned int master;
1052 	u8 master_vld = 0;
1053 
1054 	pcie_fw = t4_read_reg(adap, PCIE_FW_A);
1055 	master = PCIE_FW_MASTER_G(pcie_fw);
1056 	if (pcie_fw & PCIE_FW_MASTER_VLD_F)
1057 		master_vld = 1;
1058 	/* if csiostor is the master return */
1059 	if (master_vld && (master != adap->pf)) {
1060 		dev_warn(adap->pdev_dev,
1061 			 "cxgb4 driver needs to be loaded as MASTER to support FW flash\n");
1062 		return -EOPNOTSUPP;
1063 	}
1064 
1065 	ef->data[sizeof(ef->data) - 1] = '\0';
1066 	ret = request_firmware(&fw, ef->data, adap->pdev_dev);
1067 	if (ret < 0)
1068 		return ret;
1069 
1070 	/* If the adapter has been fully initialized then we'll go ahead and
1071 	 * try to get the firmware's cooperation in upgrading to the new
1072 	 * firmware image otherwise we'll try to do the entire job from the
1073 	 * host ... and we always "force" the operation in this path.
1074 	 */
1075 	if (adap->flags & FULL_INIT_DONE)
1076 		mbox = adap->mbox;
1077 
1078 	ret = t4_fw_upgrade(adap, mbox, fw->data, fw->size, 1);
1079 	release_firmware(fw);
1080 	if (!ret)
1081 		dev_info(adap->pdev_dev,
1082 			 "loaded firmware %s, reload cxgb4 driver\n", ef->data);
1083 	return ret;
1084 }
1085 
1086 static int get_ts_info(struct net_device *dev, struct ethtool_ts_info *ts_info)
1087 {
1088 	ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1089 				   SOF_TIMESTAMPING_RX_SOFTWARE |
1090 				   SOF_TIMESTAMPING_SOFTWARE;
1091 
1092 	ts_info->so_timestamping |= SOF_TIMESTAMPING_RX_HARDWARE |
1093 				    SOF_TIMESTAMPING_RAW_HARDWARE;
1094 
1095 	ts_info->phc_index = -1;
1096 
1097 	return 0;
1098 }
1099 
1100 static u32 get_rss_table_size(struct net_device *dev)
1101 {
1102 	const struct port_info *pi = netdev_priv(dev);
1103 
1104 	return pi->rss_size;
1105 }
1106 
1107 static int get_rss_table(struct net_device *dev, u32 *p, u8 *key, u8 *hfunc)
1108 {
1109 	const struct port_info *pi = netdev_priv(dev);
1110 	unsigned int n = pi->rss_size;
1111 
1112 	if (hfunc)
1113 		*hfunc = ETH_RSS_HASH_TOP;
1114 	if (!p)
1115 		return 0;
1116 	while (n--)
1117 		p[n] = pi->rss[n];
1118 	return 0;
1119 }
1120 
1121 static int set_rss_table(struct net_device *dev, const u32 *p, const u8 *key,
1122 			 const u8 hfunc)
1123 {
1124 	unsigned int i;
1125 	struct port_info *pi = netdev_priv(dev);
1126 
1127 	/* We require at least one supported parameter to be changed and no
1128 	 * change in any of the unsupported parameters
1129 	 */
1130 	if (key ||
1131 	    (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
1132 		return -EOPNOTSUPP;
1133 	if (!p)
1134 		return 0;
1135 
1136 	/* Interface must be brought up atleast once */
1137 	if (pi->adapter->flags & FULL_INIT_DONE) {
1138 		for (i = 0; i < pi->rss_size; i++)
1139 			pi->rss[i] = p[i];
1140 
1141 		return cxgb4_write_rss(pi, pi->rss);
1142 	}
1143 
1144 	return -EPERM;
1145 }
1146 
1147 static int get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
1148 		     u32 *rules)
1149 {
1150 	const struct port_info *pi = netdev_priv(dev);
1151 
1152 	switch (info->cmd) {
1153 	case ETHTOOL_GRXFH: {
1154 		unsigned int v = pi->rss_mode;
1155 
1156 		info->data = 0;
1157 		switch (info->flow_type) {
1158 		case TCP_V4_FLOW:
1159 			if (v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F)
1160 				info->data = RXH_IP_SRC | RXH_IP_DST |
1161 					     RXH_L4_B_0_1 | RXH_L4_B_2_3;
1162 			else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F)
1163 				info->data = RXH_IP_SRC | RXH_IP_DST;
1164 			break;
1165 		case UDP_V4_FLOW:
1166 			if ((v & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN_F) &&
1167 			    (v & FW_RSS_VI_CONFIG_CMD_UDPEN_F))
1168 				info->data = RXH_IP_SRC | RXH_IP_DST |
1169 					     RXH_L4_B_0_1 | RXH_L4_B_2_3;
1170 			else if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F)
1171 				info->data = RXH_IP_SRC | RXH_IP_DST;
1172 			break;
1173 		case SCTP_V4_FLOW:
1174 		case AH_ESP_V4_FLOW:
1175 		case IPV4_FLOW:
1176 			if (v & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN_F)
1177 				info->data = RXH_IP_SRC | RXH_IP_DST;
1178 			break;
1179 		case TCP_V6_FLOW:
1180 			if (v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F)
1181 				info->data = RXH_IP_SRC | RXH_IP_DST |
1182 					     RXH_L4_B_0_1 | RXH_L4_B_2_3;
1183 			else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F)
1184 				info->data = RXH_IP_SRC | RXH_IP_DST;
1185 			break;
1186 		case UDP_V6_FLOW:
1187 			if ((v & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN_F) &&
1188 			    (v & FW_RSS_VI_CONFIG_CMD_UDPEN_F))
1189 				info->data = RXH_IP_SRC | RXH_IP_DST |
1190 					     RXH_L4_B_0_1 | RXH_L4_B_2_3;
1191 			else if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F)
1192 				info->data = RXH_IP_SRC | RXH_IP_DST;
1193 			break;
1194 		case SCTP_V6_FLOW:
1195 		case AH_ESP_V6_FLOW:
1196 		case IPV6_FLOW:
1197 			if (v & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN_F)
1198 				info->data = RXH_IP_SRC | RXH_IP_DST;
1199 			break;
1200 		}
1201 		return 0;
1202 	}
1203 	case ETHTOOL_GRXRINGS:
1204 		info->data = pi->nqsets;
1205 		return 0;
1206 	}
1207 	return -EOPNOTSUPP;
1208 }
1209 
1210 static const struct ethtool_ops cxgb_ethtool_ops = {
1211 	.get_link_ksettings = get_link_ksettings,
1212 	.set_link_ksettings = set_link_ksettings,
1213 	.get_drvinfo       = get_drvinfo,
1214 	.get_msglevel      = get_msglevel,
1215 	.set_msglevel      = set_msglevel,
1216 	.get_ringparam     = get_sge_param,
1217 	.set_ringparam     = set_sge_param,
1218 	.get_coalesce      = get_coalesce,
1219 	.set_coalesce      = set_coalesce,
1220 	.get_eeprom_len    = get_eeprom_len,
1221 	.get_eeprom        = get_eeprom,
1222 	.set_eeprom        = set_eeprom,
1223 	.get_pauseparam    = get_pauseparam,
1224 	.set_pauseparam    = set_pauseparam,
1225 	.get_link          = ethtool_op_get_link,
1226 	.get_strings       = get_strings,
1227 	.set_phys_id       = identify_port,
1228 	.nway_reset        = restart_autoneg,
1229 	.get_sset_count    = get_sset_count,
1230 	.get_ethtool_stats = get_stats,
1231 	.get_regs_len      = get_regs_len,
1232 	.get_regs          = get_regs,
1233 	.get_rxnfc         = get_rxnfc,
1234 	.get_rxfh_indir_size = get_rss_table_size,
1235 	.get_rxfh	   = get_rss_table,
1236 	.set_rxfh	   = set_rss_table,
1237 	.flash_device      = set_flash,
1238 	.get_ts_info       = get_ts_info
1239 };
1240 
1241 void cxgb4_set_ethtool_ops(struct net_device *netdev)
1242 {
1243 	netdev->ethtool_ops = &cxgb_ethtool_ops;
1244 }
1245