1 /* bnx2x_ethtool.c: Broadcom Everest network driver.
2  *
3  * Copyright (c) 2007-2013 Broadcom Corporation
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation.
8  *
9  * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
10  * Written by: Eliezer Tamir
11  * Based on code from Michael Chan's bnx2 driver
12  * UDP CSUM errata workaround by Arik Gendelman
13  * Slowpath and fastpath rework by Vladislav Zolotarov
14  * Statistics and Link management by Yitchak Gertner
15  *
16  */
17 
18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19 
20 #include <linux/ethtool.h>
21 #include <linux/netdevice.h>
22 #include <linux/types.h>
23 #include <linux/sched.h>
24 #include <linux/crc32.h>
25 #include "bnx2x.h"
26 #include "bnx2x_cmn.h"
27 #include "bnx2x_dump.h"
28 #include "bnx2x_init.h"
29 
30 /* Note: in the format strings below %s is replaced by the queue-name which is
31  * either its index or 'fcoe' for the fcoe queue. Make sure the format string
32  * length does not exceed ETH_GSTRING_LEN - MAX_QUEUE_NAME_LEN + 2
33  */
34 #define MAX_QUEUE_NAME_LEN	4
35 static const struct {
36 	long offset;
37 	int size;
38 	char string[ETH_GSTRING_LEN];
39 } bnx2x_q_stats_arr[] = {
40 /* 1 */	{ Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%s]: rx_bytes" },
41 	{ Q_STATS_OFFSET32(total_unicast_packets_received_hi),
42 						8, "[%s]: rx_ucast_packets" },
43 	{ Q_STATS_OFFSET32(total_multicast_packets_received_hi),
44 						8, "[%s]: rx_mcast_packets" },
45 	{ Q_STATS_OFFSET32(total_broadcast_packets_received_hi),
46 						8, "[%s]: rx_bcast_packets" },
47 	{ Q_STATS_OFFSET32(no_buff_discard_hi),	8, "[%s]: rx_discards" },
48 	{ Q_STATS_OFFSET32(rx_err_discard_pkt),
49 					 4, "[%s]: rx_phy_ip_err_discards"},
50 	{ Q_STATS_OFFSET32(rx_skb_alloc_failed),
51 					 4, "[%s]: rx_skb_alloc_discard" },
52 	{ Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" },
53 
54 	{ Q_STATS_OFFSET32(total_bytes_transmitted_hi),	8, "[%s]: tx_bytes" },
55 /* 10 */{ Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi),
56 						8, "[%s]: tx_ucast_packets" },
57 	{ Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi),
58 						8, "[%s]: tx_mcast_packets" },
59 	{ Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
60 						8, "[%s]: tx_bcast_packets" },
61 	{ Q_STATS_OFFSET32(total_tpa_aggregations_hi),
62 						8, "[%s]: tpa_aggregations" },
63 	{ Q_STATS_OFFSET32(total_tpa_aggregated_frames_hi),
64 					8, "[%s]: tpa_aggregated_frames"},
65 	{ Q_STATS_OFFSET32(total_tpa_bytes_hi),	8, "[%s]: tpa_bytes"},
66 	{ Q_STATS_OFFSET32(driver_filtered_tx_pkt),
67 					4, "[%s]: driver_filtered_tx_pkt" }
68 };
69 
70 #define BNX2X_NUM_Q_STATS ARRAY_SIZE(bnx2x_q_stats_arr)
71 
72 static const struct {
73 	long offset;
74 	int size;
75 	u32 flags;
76 #define STATS_FLAGS_PORT		1
77 #define STATS_FLAGS_FUNC		2
78 #define STATS_FLAGS_BOTH		(STATS_FLAGS_FUNC | STATS_FLAGS_PORT)
79 	char string[ETH_GSTRING_LEN];
80 } bnx2x_stats_arr[] = {
81 /* 1 */	{ STATS_OFFSET32(total_bytes_received_hi),
82 				8, STATS_FLAGS_BOTH, "rx_bytes" },
83 	{ STATS_OFFSET32(error_bytes_received_hi),
84 				8, STATS_FLAGS_BOTH, "rx_error_bytes" },
85 	{ STATS_OFFSET32(total_unicast_packets_received_hi),
86 				8, STATS_FLAGS_BOTH, "rx_ucast_packets" },
87 	{ STATS_OFFSET32(total_multicast_packets_received_hi),
88 				8, STATS_FLAGS_BOTH, "rx_mcast_packets" },
89 	{ STATS_OFFSET32(total_broadcast_packets_received_hi),
90 				8, STATS_FLAGS_BOTH, "rx_bcast_packets" },
91 	{ STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
92 				8, STATS_FLAGS_PORT, "rx_crc_errors" },
93 	{ STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
94 				8, STATS_FLAGS_PORT, "rx_align_errors" },
95 	{ STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
96 				8, STATS_FLAGS_PORT, "rx_undersize_packets" },
97 	{ STATS_OFFSET32(etherstatsoverrsizepkts_hi),
98 				8, STATS_FLAGS_PORT, "rx_oversize_packets" },
99 /* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
100 				8, STATS_FLAGS_PORT, "rx_fragments" },
101 	{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
102 				8, STATS_FLAGS_PORT, "rx_jabbers" },
103 	{ STATS_OFFSET32(no_buff_discard_hi),
104 				8, STATS_FLAGS_BOTH, "rx_discards" },
105 	{ STATS_OFFSET32(mac_filter_discard),
106 				4, STATS_FLAGS_PORT, "rx_filtered_packets" },
107 	{ STATS_OFFSET32(mf_tag_discard),
108 				4, STATS_FLAGS_PORT, "rx_mf_tag_discard" },
109 	{ STATS_OFFSET32(pfc_frames_received_hi),
110 				8, STATS_FLAGS_PORT, "pfc_frames_received" },
111 	{ STATS_OFFSET32(pfc_frames_sent_hi),
112 				8, STATS_FLAGS_PORT, "pfc_frames_sent" },
113 	{ STATS_OFFSET32(brb_drop_hi),
114 				8, STATS_FLAGS_PORT, "rx_brb_discard" },
115 	{ STATS_OFFSET32(brb_truncate_hi),
116 				8, STATS_FLAGS_PORT, "rx_brb_truncate" },
117 	{ STATS_OFFSET32(pause_frames_received_hi),
118 				8, STATS_FLAGS_PORT, "rx_pause_frames" },
119 	{ STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
120 				8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
121 	{ STATS_OFFSET32(nig_timer_max),
122 			4, STATS_FLAGS_PORT, "rx_constant_pause_events" },
123 /* 20 */{ STATS_OFFSET32(rx_err_discard_pkt),
124 				4, STATS_FLAGS_BOTH, "rx_phy_ip_err_discards"},
125 	{ STATS_OFFSET32(rx_skb_alloc_failed),
126 				4, STATS_FLAGS_BOTH, "rx_skb_alloc_discard" },
127 	{ STATS_OFFSET32(hw_csum_err),
128 				4, STATS_FLAGS_BOTH, "rx_csum_offload_errors" },
129 
130 	{ STATS_OFFSET32(total_bytes_transmitted_hi),
131 				8, STATS_FLAGS_BOTH, "tx_bytes" },
132 	{ STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
133 				8, STATS_FLAGS_PORT, "tx_error_bytes" },
134 	{ STATS_OFFSET32(total_unicast_packets_transmitted_hi),
135 				8, STATS_FLAGS_BOTH, "tx_ucast_packets" },
136 	{ STATS_OFFSET32(total_multicast_packets_transmitted_hi),
137 				8, STATS_FLAGS_BOTH, "tx_mcast_packets" },
138 	{ STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
139 				8, STATS_FLAGS_BOTH, "tx_bcast_packets" },
140 	{ STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
141 				8, STATS_FLAGS_PORT, "tx_mac_errors" },
142 	{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
143 				8, STATS_FLAGS_PORT, "tx_carrier_errors" },
144 /* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
145 				8, STATS_FLAGS_PORT, "tx_single_collisions" },
146 	{ STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
147 				8, STATS_FLAGS_PORT, "tx_multi_collisions" },
148 	{ STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
149 				8, STATS_FLAGS_PORT, "tx_deferred" },
150 	{ STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
151 				8, STATS_FLAGS_PORT, "tx_excess_collisions" },
152 	{ STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
153 				8, STATS_FLAGS_PORT, "tx_late_collisions" },
154 	{ STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
155 				8, STATS_FLAGS_PORT, "tx_total_collisions" },
156 	{ STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
157 				8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
158 	{ STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
159 			8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
160 	{ STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
161 			8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
162 	{ STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
163 			8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
164 /* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
165 			8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
166 	{ STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
167 			8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
168 	{ STATS_OFFSET32(etherstatspktsover1522octets_hi),
169 			8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
170 	{ STATS_OFFSET32(pause_frames_sent_hi),
171 				8, STATS_FLAGS_PORT, "tx_pause_frames" },
172 	{ STATS_OFFSET32(total_tpa_aggregations_hi),
173 			8, STATS_FLAGS_FUNC, "tpa_aggregations" },
174 	{ STATS_OFFSET32(total_tpa_aggregated_frames_hi),
175 			8, STATS_FLAGS_FUNC, "tpa_aggregated_frames"},
176 	{ STATS_OFFSET32(total_tpa_bytes_hi),
177 			8, STATS_FLAGS_FUNC, "tpa_bytes"},
178 	{ STATS_OFFSET32(recoverable_error),
179 			4, STATS_FLAGS_FUNC, "recoverable_errors" },
180 	{ STATS_OFFSET32(unrecoverable_error),
181 			4, STATS_FLAGS_FUNC, "unrecoverable_errors" },
182 	{ STATS_OFFSET32(driver_filtered_tx_pkt),
183 			4, STATS_FLAGS_FUNC, "driver_filtered_tx_pkt" },
184 	{ STATS_OFFSET32(eee_tx_lpi),
185 			4, STATS_FLAGS_PORT, "Tx LPI entry count"}
186 };
187 
188 #define BNX2X_NUM_STATS		ARRAY_SIZE(bnx2x_stats_arr)
189 
190 static int bnx2x_get_port_type(struct bnx2x *bp)
191 {
192 	int port_type;
193 	u32 phy_idx = bnx2x_get_cur_phy_idx(bp);
194 	switch (bp->link_params.phy[phy_idx].media_type) {
195 	case ETH_PHY_SFPP_10G_FIBER:
196 	case ETH_PHY_SFP_1G_FIBER:
197 	case ETH_PHY_XFP_FIBER:
198 	case ETH_PHY_KR:
199 	case ETH_PHY_CX4:
200 		port_type = PORT_FIBRE;
201 		break;
202 	case ETH_PHY_DA_TWINAX:
203 		port_type = PORT_DA;
204 		break;
205 	case ETH_PHY_BASE_T:
206 		port_type = PORT_TP;
207 		break;
208 	case ETH_PHY_NOT_PRESENT:
209 		port_type = PORT_NONE;
210 		break;
211 	case ETH_PHY_UNSPECIFIED:
212 	default:
213 		port_type = PORT_OTHER;
214 		break;
215 	}
216 	return port_type;
217 }
218 
219 static int bnx2x_get_vf_settings(struct net_device *dev,
220 				 struct ethtool_cmd *cmd)
221 {
222 	struct bnx2x *bp = netdev_priv(dev);
223 
224 	if (bp->state == BNX2X_STATE_OPEN) {
225 		if (test_bit(BNX2X_LINK_REPORT_FD,
226 			     &bp->vf_link_vars.link_report_flags))
227 			cmd->duplex = DUPLEX_FULL;
228 		else
229 			cmd->duplex = DUPLEX_HALF;
230 
231 		ethtool_cmd_speed_set(cmd, bp->vf_link_vars.line_speed);
232 	} else {
233 		cmd->duplex = DUPLEX_UNKNOWN;
234 		ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
235 	}
236 
237 	cmd->port		= PORT_OTHER;
238 	cmd->phy_address	= 0;
239 	cmd->transceiver	= XCVR_INTERNAL;
240 	cmd->autoneg		= AUTONEG_DISABLE;
241 	cmd->maxtxpkt		= 0;
242 	cmd->maxrxpkt		= 0;
243 
244 	DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
245 	   "  supported 0x%x  advertising 0x%x  speed %u\n"
246 	   "  duplex %d  port %d  phy_address %d  transceiver %d\n"
247 	   "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
248 	   cmd->cmd, cmd->supported, cmd->advertising,
249 	   ethtool_cmd_speed(cmd),
250 	   cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
251 	   cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
252 
253 	return 0;
254 }
255 
256 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
257 {
258 	struct bnx2x *bp = netdev_priv(dev);
259 	int cfg_idx = bnx2x_get_link_cfg_idx(bp);
260 
261 	/* Dual Media boards present all available port types */
262 	cmd->supported = bp->port.supported[cfg_idx] |
263 		(bp->port.supported[cfg_idx ^ 1] &
264 		 (SUPPORTED_TP | SUPPORTED_FIBRE));
265 	cmd->advertising = bp->port.advertising[cfg_idx];
266 	if (bp->link_params.phy[bnx2x_get_cur_phy_idx(bp)].media_type ==
267 	    ETH_PHY_SFP_1G_FIBER) {
268 		cmd->supported &= ~(SUPPORTED_10000baseT_Full);
269 		cmd->advertising &= ~(ADVERTISED_10000baseT_Full);
270 	}
271 
272 	if ((bp->state == BNX2X_STATE_OPEN) && bp->link_vars.link_up &&
273 	    !(bp->flags & MF_FUNC_DIS)) {
274 		cmd->duplex = bp->link_vars.duplex;
275 
276 		if (IS_MF(bp) && !BP_NOMCP(bp))
277 			ethtool_cmd_speed_set(cmd, bnx2x_get_mf_speed(bp));
278 		else
279 			ethtool_cmd_speed_set(cmd, bp->link_vars.line_speed);
280 	} else {
281 		cmd->duplex = DUPLEX_UNKNOWN;
282 		ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
283 	}
284 
285 	cmd->port = bnx2x_get_port_type(bp);
286 
287 	cmd->phy_address = bp->mdio.prtad;
288 	cmd->transceiver = XCVR_INTERNAL;
289 
290 	if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG)
291 		cmd->autoneg = AUTONEG_ENABLE;
292 	else
293 		cmd->autoneg = AUTONEG_DISABLE;
294 
295 	/* Publish LP advertised speeds and FC */
296 	if (bp->link_vars.link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
297 		u32 status = bp->link_vars.link_status;
298 
299 		cmd->lp_advertising |= ADVERTISED_Autoneg;
300 		if (status & LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE)
301 			cmd->lp_advertising |= ADVERTISED_Pause;
302 		if (status & LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
303 			cmd->lp_advertising |= ADVERTISED_Asym_Pause;
304 
305 		if (status & LINK_STATUS_LINK_PARTNER_10THD_CAPABLE)
306 			cmd->lp_advertising |= ADVERTISED_10baseT_Half;
307 		if (status & LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE)
308 			cmd->lp_advertising |= ADVERTISED_10baseT_Full;
309 		if (status & LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE)
310 			cmd->lp_advertising |= ADVERTISED_100baseT_Half;
311 		if (status & LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE)
312 			cmd->lp_advertising |= ADVERTISED_100baseT_Full;
313 		if (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE)
314 			cmd->lp_advertising |= ADVERTISED_1000baseT_Half;
315 		if (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE)
316 			cmd->lp_advertising |= ADVERTISED_1000baseT_Full;
317 		if (status & LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE)
318 			cmd->lp_advertising |= ADVERTISED_2500baseX_Full;
319 		if (status & LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE)
320 			cmd->lp_advertising |= ADVERTISED_10000baseT_Full;
321 		if (status & LINK_STATUS_LINK_PARTNER_20GXFD_CAPABLE)
322 			cmd->lp_advertising |= ADVERTISED_20000baseKR2_Full;
323 	}
324 
325 	cmd->maxtxpkt = 0;
326 	cmd->maxrxpkt = 0;
327 
328 	DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
329 	   "  supported 0x%x  advertising 0x%x  speed %u\n"
330 	   "  duplex %d  port %d  phy_address %d  transceiver %d\n"
331 	   "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
332 	   cmd->cmd, cmd->supported, cmd->advertising,
333 	   ethtool_cmd_speed(cmd),
334 	   cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
335 	   cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
336 
337 	return 0;
338 }
339 
340 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
341 {
342 	struct bnx2x *bp = netdev_priv(dev);
343 	u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config;
344 	u32 speed, phy_idx;
345 
346 	if (IS_MF_SD(bp))
347 		return 0;
348 
349 	DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
350 	   "  supported 0x%x  advertising 0x%x  speed %u\n"
351 	   "  duplex %d  port %d  phy_address %d  transceiver %d\n"
352 	   "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
353 	   cmd->cmd, cmd->supported, cmd->advertising,
354 	   ethtool_cmd_speed(cmd),
355 	   cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
356 	   cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
357 
358 	speed = ethtool_cmd_speed(cmd);
359 
360 	/* If received a request for an unknown duplex, assume full*/
361 	if (cmd->duplex == DUPLEX_UNKNOWN)
362 		cmd->duplex = DUPLEX_FULL;
363 
364 	if (IS_MF_SI(bp)) {
365 		u32 part;
366 		u32 line_speed = bp->link_vars.line_speed;
367 
368 		/* use 10G if no link detected */
369 		if (!line_speed)
370 			line_speed = 10000;
371 
372 		if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) {
373 			DP(BNX2X_MSG_ETHTOOL,
374 			   "To set speed BC %X or higher is required, please upgrade BC\n",
375 			   REQ_BC_VER_4_SET_MF_BW);
376 			return -EINVAL;
377 		}
378 
379 		part = (speed * 100) / line_speed;
380 
381 		if (line_speed < speed || !part) {
382 			DP(BNX2X_MSG_ETHTOOL,
383 			   "Speed setting should be in a range from 1%% to 100%% of actual line speed\n");
384 			return -EINVAL;
385 		}
386 
387 		if (bp->state != BNX2X_STATE_OPEN)
388 			/* store value for following "load" */
389 			bp->pending_max = part;
390 		else
391 			bnx2x_update_max_mf_config(bp, part);
392 
393 		return 0;
394 	}
395 
396 	cfg_idx = bnx2x_get_link_cfg_idx(bp);
397 	old_multi_phy_config = bp->link_params.multi_phy_config;
398 	if (cmd->port != bnx2x_get_port_type(bp)) {
399 		switch (cmd->port) {
400 		case PORT_TP:
401 			if (!(bp->port.supported[0] & SUPPORTED_TP ||
402 			      bp->port.supported[1] & SUPPORTED_TP)) {
403 				DP(BNX2X_MSG_ETHTOOL,
404 				   "Unsupported port type\n");
405 				return -EINVAL;
406 			}
407 			bp->link_params.multi_phy_config &=
408 				~PORT_HW_CFG_PHY_SELECTION_MASK;
409 			if (bp->link_params.multi_phy_config &
410 			    PORT_HW_CFG_PHY_SWAPPED_ENABLED)
411 				bp->link_params.multi_phy_config |=
412 				PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
413 			else
414 				bp->link_params.multi_phy_config |=
415 				PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
416 			break;
417 		case PORT_FIBRE:
418 		case PORT_DA:
419 		case PORT_NONE:
420 			if (!(bp->port.supported[0] & SUPPORTED_FIBRE ||
421 			      bp->port.supported[1] & SUPPORTED_FIBRE)) {
422 				DP(BNX2X_MSG_ETHTOOL,
423 				   "Unsupported port type\n");
424 				return -EINVAL;
425 			}
426 			bp->link_params.multi_phy_config &=
427 				~PORT_HW_CFG_PHY_SELECTION_MASK;
428 			if (bp->link_params.multi_phy_config &
429 			    PORT_HW_CFG_PHY_SWAPPED_ENABLED)
430 				bp->link_params.multi_phy_config |=
431 				PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
432 			else
433 				bp->link_params.multi_phy_config |=
434 				PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
435 			break;
436 		default:
437 			DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n");
438 			return -EINVAL;
439 		}
440 	}
441 	/* Save new config in case command complete successfully */
442 	new_multi_phy_config = bp->link_params.multi_phy_config;
443 	/* Get the new cfg_idx */
444 	cfg_idx = bnx2x_get_link_cfg_idx(bp);
445 	/* Restore old config in case command failed */
446 	bp->link_params.multi_phy_config = old_multi_phy_config;
447 	DP(BNX2X_MSG_ETHTOOL, "cfg_idx = %x\n", cfg_idx);
448 
449 	if (cmd->autoneg == AUTONEG_ENABLE) {
450 		u32 an_supported_speed = bp->port.supported[cfg_idx];
451 		if (bp->link_params.phy[EXT_PHY1].type ==
452 		    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
453 			an_supported_speed |= (SUPPORTED_100baseT_Half |
454 					       SUPPORTED_100baseT_Full);
455 		if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
456 			DP(BNX2X_MSG_ETHTOOL, "Autoneg not supported\n");
457 			return -EINVAL;
458 		}
459 
460 		/* advertise the requested speed and duplex if supported */
461 		if (cmd->advertising & ~an_supported_speed) {
462 			DP(BNX2X_MSG_ETHTOOL,
463 			   "Advertisement parameters are not supported\n");
464 			return -EINVAL;
465 		}
466 
467 		bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG;
468 		bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
469 		bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg |
470 					 cmd->advertising);
471 		if (cmd->advertising) {
472 
473 			bp->link_params.speed_cap_mask[cfg_idx] = 0;
474 			if (cmd->advertising & ADVERTISED_10baseT_Half) {
475 				bp->link_params.speed_cap_mask[cfg_idx] |=
476 				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF;
477 			}
478 			if (cmd->advertising & ADVERTISED_10baseT_Full)
479 				bp->link_params.speed_cap_mask[cfg_idx] |=
480 				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL;
481 
482 			if (cmd->advertising & ADVERTISED_100baseT_Full)
483 				bp->link_params.speed_cap_mask[cfg_idx] |=
484 				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL;
485 
486 			if (cmd->advertising & ADVERTISED_100baseT_Half) {
487 				bp->link_params.speed_cap_mask[cfg_idx] |=
488 				     PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF;
489 			}
490 			if (cmd->advertising & ADVERTISED_1000baseT_Half) {
491 				bp->link_params.speed_cap_mask[cfg_idx] |=
492 					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
493 			}
494 			if (cmd->advertising & (ADVERTISED_1000baseT_Full |
495 						ADVERTISED_1000baseKX_Full))
496 				bp->link_params.speed_cap_mask[cfg_idx] |=
497 					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
498 
499 			if (cmd->advertising & (ADVERTISED_10000baseT_Full |
500 						ADVERTISED_10000baseKX4_Full |
501 						ADVERTISED_10000baseKR_Full))
502 				bp->link_params.speed_cap_mask[cfg_idx] |=
503 					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G;
504 
505 			if (cmd->advertising & ADVERTISED_20000baseKR2_Full)
506 				bp->link_params.speed_cap_mask[cfg_idx] |=
507 					PORT_HW_CFG_SPEED_CAPABILITY_D0_20G;
508 		}
509 	} else { /* forced speed */
510 		/* advertise the requested speed and duplex if supported */
511 		switch (speed) {
512 		case SPEED_10:
513 			if (cmd->duplex == DUPLEX_FULL) {
514 				if (!(bp->port.supported[cfg_idx] &
515 				      SUPPORTED_10baseT_Full)) {
516 					DP(BNX2X_MSG_ETHTOOL,
517 					   "10M full not supported\n");
518 					return -EINVAL;
519 				}
520 
521 				advertising = (ADVERTISED_10baseT_Full |
522 					       ADVERTISED_TP);
523 			} else {
524 				if (!(bp->port.supported[cfg_idx] &
525 				      SUPPORTED_10baseT_Half)) {
526 					DP(BNX2X_MSG_ETHTOOL,
527 					   "10M half not supported\n");
528 					return -EINVAL;
529 				}
530 
531 				advertising = (ADVERTISED_10baseT_Half |
532 					       ADVERTISED_TP);
533 			}
534 			break;
535 
536 		case SPEED_100:
537 			if (cmd->duplex == DUPLEX_FULL) {
538 				if (!(bp->port.supported[cfg_idx] &
539 						SUPPORTED_100baseT_Full)) {
540 					DP(BNX2X_MSG_ETHTOOL,
541 					   "100M full not supported\n");
542 					return -EINVAL;
543 				}
544 
545 				advertising = (ADVERTISED_100baseT_Full |
546 					       ADVERTISED_TP);
547 			} else {
548 				if (!(bp->port.supported[cfg_idx] &
549 						SUPPORTED_100baseT_Half)) {
550 					DP(BNX2X_MSG_ETHTOOL,
551 					   "100M half not supported\n");
552 					return -EINVAL;
553 				}
554 
555 				advertising = (ADVERTISED_100baseT_Half |
556 					       ADVERTISED_TP);
557 			}
558 			break;
559 
560 		case SPEED_1000:
561 			if (cmd->duplex != DUPLEX_FULL) {
562 				DP(BNX2X_MSG_ETHTOOL,
563 				   "1G half not supported\n");
564 				return -EINVAL;
565 			}
566 
567 			if (!(bp->port.supported[cfg_idx] &
568 			      SUPPORTED_1000baseT_Full)) {
569 				DP(BNX2X_MSG_ETHTOOL,
570 				   "1G full not supported\n");
571 				return -EINVAL;
572 			}
573 
574 			advertising = (ADVERTISED_1000baseT_Full |
575 				       ADVERTISED_TP);
576 			break;
577 
578 		case SPEED_2500:
579 			if (cmd->duplex != DUPLEX_FULL) {
580 				DP(BNX2X_MSG_ETHTOOL,
581 				   "2.5G half not supported\n");
582 				return -EINVAL;
583 			}
584 
585 			if (!(bp->port.supported[cfg_idx]
586 			      & SUPPORTED_2500baseX_Full)) {
587 				DP(BNX2X_MSG_ETHTOOL,
588 				   "2.5G full not supported\n");
589 				return -EINVAL;
590 			}
591 
592 			advertising = (ADVERTISED_2500baseX_Full |
593 				       ADVERTISED_TP);
594 			break;
595 
596 		case SPEED_10000:
597 			if (cmd->duplex != DUPLEX_FULL) {
598 				DP(BNX2X_MSG_ETHTOOL,
599 				   "10G half not supported\n");
600 				return -EINVAL;
601 			}
602 			phy_idx = bnx2x_get_cur_phy_idx(bp);
603 			if (!(bp->port.supported[cfg_idx]
604 			      & SUPPORTED_10000baseT_Full) ||
605 			    (bp->link_params.phy[phy_idx].media_type ==
606 			     ETH_PHY_SFP_1G_FIBER)) {
607 				DP(BNX2X_MSG_ETHTOOL,
608 				   "10G full not supported\n");
609 				return -EINVAL;
610 			}
611 
612 			advertising = (ADVERTISED_10000baseT_Full |
613 				       ADVERTISED_FIBRE);
614 			break;
615 
616 		default:
617 			DP(BNX2X_MSG_ETHTOOL, "Unsupported speed %u\n", speed);
618 			return -EINVAL;
619 		}
620 
621 		bp->link_params.req_line_speed[cfg_idx] = speed;
622 		bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
623 		bp->port.advertising[cfg_idx] = advertising;
624 	}
625 
626 	DP(BNX2X_MSG_ETHTOOL, "req_line_speed %d\n"
627 	   "  req_duplex %d  advertising 0x%x\n",
628 	   bp->link_params.req_line_speed[cfg_idx],
629 	   bp->link_params.req_duplex[cfg_idx],
630 	   bp->port.advertising[cfg_idx]);
631 
632 	/* Set new config */
633 	bp->link_params.multi_phy_config = new_multi_phy_config;
634 	if (netif_running(dev)) {
635 		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
636 		bnx2x_link_set(bp);
637 	}
638 
639 	return 0;
640 }
641 
642 #define DUMP_ALL_PRESETS		0x1FFF
643 #define DUMP_MAX_PRESETS		13
644 
645 static int __bnx2x_get_preset_regs_len(struct bnx2x *bp, u32 preset)
646 {
647 	if (CHIP_IS_E1(bp))
648 		return dump_num_registers[0][preset-1];
649 	else if (CHIP_IS_E1H(bp))
650 		return dump_num_registers[1][preset-1];
651 	else if (CHIP_IS_E2(bp))
652 		return dump_num_registers[2][preset-1];
653 	else if (CHIP_IS_E3A0(bp))
654 		return dump_num_registers[3][preset-1];
655 	else if (CHIP_IS_E3B0(bp))
656 		return dump_num_registers[4][preset-1];
657 	else
658 		return 0;
659 }
660 
661 static int __bnx2x_get_regs_len(struct bnx2x *bp)
662 {
663 	u32 preset_idx;
664 	int regdump_len = 0;
665 
666 	/* Calculate the total preset regs length */
667 	for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++)
668 		regdump_len += __bnx2x_get_preset_regs_len(bp, preset_idx);
669 
670 	return regdump_len;
671 }
672 
673 static int bnx2x_get_regs_len(struct net_device *dev)
674 {
675 	struct bnx2x *bp = netdev_priv(dev);
676 	int regdump_len = 0;
677 
678 	if (IS_VF(bp))
679 		return 0;
680 
681 	regdump_len = __bnx2x_get_regs_len(bp);
682 	regdump_len *= 4;
683 	regdump_len += sizeof(struct dump_header);
684 
685 	return regdump_len;
686 }
687 
688 #define IS_E1_REG(chips)	((chips & DUMP_CHIP_E1) == DUMP_CHIP_E1)
689 #define IS_E1H_REG(chips)	((chips & DUMP_CHIP_E1H) == DUMP_CHIP_E1H)
690 #define IS_E2_REG(chips)	((chips & DUMP_CHIP_E2) == DUMP_CHIP_E2)
691 #define IS_E3A0_REG(chips)	((chips & DUMP_CHIP_E3A0) == DUMP_CHIP_E3A0)
692 #define IS_E3B0_REG(chips)	((chips & DUMP_CHIP_E3B0) == DUMP_CHIP_E3B0)
693 
694 #define IS_REG_IN_PRESET(presets, idx)  \
695 		((presets & (1 << (idx-1))) == (1 << (idx-1)))
696 
697 /******* Paged registers info selectors ********/
698 static const u32 *__bnx2x_get_page_addr_ar(struct bnx2x *bp)
699 {
700 	if (CHIP_IS_E2(bp))
701 		return page_vals_e2;
702 	else if (CHIP_IS_E3(bp))
703 		return page_vals_e3;
704 	else
705 		return NULL;
706 }
707 
708 static u32 __bnx2x_get_page_reg_num(struct bnx2x *bp)
709 {
710 	if (CHIP_IS_E2(bp))
711 		return PAGE_MODE_VALUES_E2;
712 	else if (CHIP_IS_E3(bp))
713 		return PAGE_MODE_VALUES_E3;
714 	else
715 		return 0;
716 }
717 
718 static const u32 *__bnx2x_get_page_write_ar(struct bnx2x *bp)
719 {
720 	if (CHIP_IS_E2(bp))
721 		return page_write_regs_e2;
722 	else if (CHIP_IS_E3(bp))
723 		return page_write_regs_e3;
724 	else
725 		return NULL;
726 }
727 
728 static u32 __bnx2x_get_page_write_num(struct bnx2x *bp)
729 {
730 	if (CHIP_IS_E2(bp))
731 		return PAGE_WRITE_REGS_E2;
732 	else if (CHIP_IS_E3(bp))
733 		return PAGE_WRITE_REGS_E3;
734 	else
735 		return 0;
736 }
737 
738 static const struct reg_addr *__bnx2x_get_page_read_ar(struct bnx2x *bp)
739 {
740 	if (CHIP_IS_E2(bp))
741 		return page_read_regs_e2;
742 	else if (CHIP_IS_E3(bp))
743 		return page_read_regs_e3;
744 	else
745 		return NULL;
746 }
747 
748 static u32 __bnx2x_get_page_read_num(struct bnx2x *bp)
749 {
750 	if (CHIP_IS_E2(bp))
751 		return PAGE_READ_REGS_E2;
752 	else if (CHIP_IS_E3(bp))
753 		return PAGE_READ_REGS_E3;
754 	else
755 		return 0;
756 }
757 
758 static bool bnx2x_is_reg_in_chip(struct bnx2x *bp,
759 				       const struct reg_addr *reg_info)
760 {
761 	if (CHIP_IS_E1(bp))
762 		return IS_E1_REG(reg_info->chips);
763 	else if (CHIP_IS_E1H(bp))
764 		return IS_E1H_REG(reg_info->chips);
765 	else if (CHIP_IS_E2(bp))
766 		return IS_E2_REG(reg_info->chips);
767 	else if (CHIP_IS_E3A0(bp))
768 		return IS_E3A0_REG(reg_info->chips);
769 	else if (CHIP_IS_E3B0(bp))
770 		return IS_E3B0_REG(reg_info->chips);
771 	else
772 		return false;
773 }
774 
775 static bool bnx2x_is_wreg_in_chip(struct bnx2x *bp,
776 	const struct wreg_addr *wreg_info)
777 {
778 	if (CHIP_IS_E1(bp))
779 		return IS_E1_REG(wreg_info->chips);
780 	else if (CHIP_IS_E1H(bp))
781 		return IS_E1H_REG(wreg_info->chips);
782 	else if (CHIP_IS_E2(bp))
783 		return IS_E2_REG(wreg_info->chips);
784 	else if (CHIP_IS_E3A0(bp))
785 		return IS_E3A0_REG(wreg_info->chips);
786 	else if (CHIP_IS_E3B0(bp))
787 		return IS_E3B0_REG(wreg_info->chips);
788 	else
789 		return false;
790 }
791 
792 /**
793  * bnx2x_read_pages_regs - read "paged" registers
794  *
795  * @bp		device handle
796  * @p		output buffer
797  *
798  * Reads "paged" memories: memories that may only be read by first writing to a
799  * specific address ("write address") and then reading from a specific address
800  * ("read address"). There may be more than one write address per "page" and
801  * more than one read address per write address.
802  */
803 static void bnx2x_read_pages_regs(struct bnx2x *bp, u32 *p, u32 preset)
804 {
805 	u32 i, j, k, n;
806 
807 	/* addresses of the paged registers */
808 	const u32 *page_addr = __bnx2x_get_page_addr_ar(bp);
809 	/* number of paged registers */
810 	int num_pages = __bnx2x_get_page_reg_num(bp);
811 	/* write addresses */
812 	const u32 *write_addr = __bnx2x_get_page_write_ar(bp);
813 	/* number of write addresses */
814 	int write_num = __bnx2x_get_page_write_num(bp);
815 	/* read addresses info */
816 	const struct reg_addr *read_addr = __bnx2x_get_page_read_ar(bp);
817 	/* number of read addresses */
818 	int read_num = __bnx2x_get_page_read_num(bp);
819 	u32 addr, size;
820 
821 	for (i = 0; i < num_pages; i++) {
822 		for (j = 0; j < write_num; j++) {
823 			REG_WR(bp, write_addr[j], page_addr[i]);
824 
825 			for (k = 0; k < read_num; k++) {
826 				if (IS_REG_IN_PRESET(read_addr[k].presets,
827 						     preset)) {
828 					size = read_addr[k].size;
829 					for (n = 0; n < size; n++) {
830 						addr = read_addr[k].addr + n*4;
831 						*p++ = REG_RD(bp, addr);
832 					}
833 				}
834 			}
835 		}
836 	}
837 }
838 
839 static int __bnx2x_get_preset_regs(struct bnx2x *bp, u32 *p, u32 preset)
840 {
841 	u32 i, j, addr;
842 	const struct wreg_addr *wreg_addr_p = NULL;
843 
844 	if (CHIP_IS_E1(bp))
845 		wreg_addr_p = &wreg_addr_e1;
846 	else if (CHIP_IS_E1H(bp))
847 		wreg_addr_p = &wreg_addr_e1h;
848 	else if (CHIP_IS_E2(bp))
849 		wreg_addr_p = &wreg_addr_e2;
850 	else if (CHIP_IS_E3A0(bp))
851 		wreg_addr_p = &wreg_addr_e3;
852 	else if (CHIP_IS_E3B0(bp))
853 		wreg_addr_p = &wreg_addr_e3b0;
854 
855 	/* Read the idle_chk registers */
856 	for (i = 0; i < IDLE_REGS_COUNT; i++) {
857 		if (bnx2x_is_reg_in_chip(bp, &idle_reg_addrs[i]) &&
858 		    IS_REG_IN_PRESET(idle_reg_addrs[i].presets, preset)) {
859 			for (j = 0; j < idle_reg_addrs[i].size; j++)
860 				*p++ = REG_RD(bp, idle_reg_addrs[i].addr + j*4);
861 		}
862 	}
863 
864 	/* Read the regular registers */
865 	for (i = 0; i < REGS_COUNT; i++) {
866 		if (bnx2x_is_reg_in_chip(bp, &reg_addrs[i]) &&
867 		    IS_REG_IN_PRESET(reg_addrs[i].presets, preset)) {
868 			for (j = 0; j < reg_addrs[i].size; j++)
869 				*p++ = REG_RD(bp, reg_addrs[i].addr + j*4);
870 		}
871 	}
872 
873 	/* Read the CAM registers */
874 	if (bnx2x_is_wreg_in_chip(bp, wreg_addr_p) &&
875 	    IS_REG_IN_PRESET(wreg_addr_p->presets, preset)) {
876 		for (i = 0; i < wreg_addr_p->size; i++) {
877 			*p++ = REG_RD(bp, wreg_addr_p->addr + i*4);
878 
879 			/* In case of wreg_addr register, read additional
880 			   registers from read_regs array
881 			*/
882 			for (j = 0; j < wreg_addr_p->read_regs_count; j++) {
883 				addr = *(wreg_addr_p->read_regs);
884 				*p++ = REG_RD(bp, addr + j*4);
885 			}
886 		}
887 	}
888 
889 	/* Paged registers are supported in E2 & E3 only */
890 	if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp)) {
891 		/* Read "paged" registers */
892 		bnx2x_read_pages_regs(bp, p, preset);
893 	}
894 
895 	return 0;
896 }
897 
898 static void __bnx2x_get_regs(struct bnx2x *bp, u32 *p)
899 {
900 	u32 preset_idx;
901 
902 	/* Read all registers, by reading all preset registers */
903 	for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++) {
904 		/* Skip presets with IOR */
905 		if ((preset_idx == 2) ||
906 		    (preset_idx == 5) ||
907 		    (preset_idx == 8) ||
908 		    (preset_idx == 11))
909 			continue;
910 		__bnx2x_get_preset_regs(bp, p, preset_idx);
911 		p += __bnx2x_get_preset_regs_len(bp, preset_idx);
912 	}
913 }
914 
915 static void bnx2x_get_regs(struct net_device *dev,
916 			   struct ethtool_regs *regs, void *_p)
917 {
918 	u32 *p = _p;
919 	struct bnx2x *bp = netdev_priv(dev);
920 	struct dump_header dump_hdr = {0};
921 
922 	regs->version = 2;
923 	memset(p, 0, regs->len);
924 
925 	if (!netif_running(bp->dev))
926 		return;
927 
928 	/* Disable parity attentions as long as following dump may
929 	 * cause false alarms by reading never written registers. We
930 	 * will re-enable parity attentions right after the dump.
931 	 */
932 
933 	bnx2x_disable_blocks_parity(bp);
934 
935 	dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1;
936 	dump_hdr.preset = DUMP_ALL_PRESETS;
937 	dump_hdr.version = BNX2X_DUMP_VERSION;
938 
939 	/* dump_meta_data presents OR of CHIP and PATH. */
940 	if (CHIP_IS_E1(bp)) {
941 		dump_hdr.dump_meta_data = DUMP_CHIP_E1;
942 	} else if (CHIP_IS_E1H(bp)) {
943 		dump_hdr.dump_meta_data = DUMP_CHIP_E1H;
944 	} else if (CHIP_IS_E2(bp)) {
945 		dump_hdr.dump_meta_data = DUMP_CHIP_E2 |
946 		(BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
947 	} else if (CHIP_IS_E3A0(bp)) {
948 		dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 |
949 		(BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
950 	} else if (CHIP_IS_E3B0(bp)) {
951 		dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 |
952 		(BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
953 	}
954 
955 	memcpy(p, &dump_hdr, sizeof(struct dump_header));
956 	p += dump_hdr.header_size + 1;
957 
958 	/* Actually read the registers */
959 	__bnx2x_get_regs(bp, p);
960 
961 	/* Re-enable parity attentions */
962 	bnx2x_clear_blocks_parity(bp);
963 	bnx2x_enable_blocks_parity(bp);
964 }
965 
966 static int bnx2x_get_preset_regs_len(struct net_device *dev, u32 preset)
967 {
968 	struct bnx2x *bp = netdev_priv(dev);
969 	int regdump_len = 0;
970 
971 	regdump_len = __bnx2x_get_preset_regs_len(bp, preset);
972 	regdump_len *= 4;
973 	regdump_len += sizeof(struct dump_header);
974 
975 	return regdump_len;
976 }
977 
978 static int bnx2x_set_dump(struct net_device *dev, struct ethtool_dump *val)
979 {
980 	struct bnx2x *bp = netdev_priv(dev);
981 
982 	/* Use the ethtool_dump "flag" field as the dump preset index */
983 	if (val->flag < 1 || val->flag > DUMP_MAX_PRESETS)
984 		return -EINVAL;
985 
986 	bp->dump_preset_idx = val->flag;
987 	return 0;
988 }
989 
990 static int bnx2x_get_dump_flag(struct net_device *dev,
991 			       struct ethtool_dump *dump)
992 {
993 	struct bnx2x *bp = netdev_priv(dev);
994 
995 	dump->version = BNX2X_DUMP_VERSION;
996 	dump->flag = bp->dump_preset_idx;
997 	/* Calculate the requested preset idx length */
998 	dump->len = bnx2x_get_preset_regs_len(dev, bp->dump_preset_idx);
999 	DP(BNX2X_MSG_ETHTOOL, "Get dump preset %d length=%d\n",
1000 	   bp->dump_preset_idx, dump->len);
1001 	return 0;
1002 }
1003 
1004 static int bnx2x_get_dump_data(struct net_device *dev,
1005 			       struct ethtool_dump *dump,
1006 			       void *buffer)
1007 {
1008 	u32 *p = buffer;
1009 	struct bnx2x *bp = netdev_priv(dev);
1010 	struct dump_header dump_hdr = {0};
1011 
1012 	/* Disable parity attentions as long as following dump may
1013 	 * cause false alarms by reading never written registers. We
1014 	 * will re-enable parity attentions right after the dump.
1015 	 */
1016 
1017 	bnx2x_disable_blocks_parity(bp);
1018 
1019 	dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1;
1020 	dump_hdr.preset = bp->dump_preset_idx;
1021 	dump_hdr.version = BNX2X_DUMP_VERSION;
1022 
1023 	DP(BNX2X_MSG_ETHTOOL, "Get dump data of preset %d\n", dump_hdr.preset);
1024 
1025 	/* dump_meta_data presents OR of CHIP and PATH. */
1026 	if (CHIP_IS_E1(bp)) {
1027 		dump_hdr.dump_meta_data = DUMP_CHIP_E1;
1028 	} else if (CHIP_IS_E1H(bp)) {
1029 		dump_hdr.dump_meta_data = DUMP_CHIP_E1H;
1030 	} else if (CHIP_IS_E2(bp)) {
1031 		dump_hdr.dump_meta_data = DUMP_CHIP_E2 |
1032 		(BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1033 	} else if (CHIP_IS_E3A0(bp)) {
1034 		dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 |
1035 		(BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1036 	} else if (CHIP_IS_E3B0(bp)) {
1037 		dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 |
1038 		(BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1039 	}
1040 
1041 	memcpy(p, &dump_hdr, sizeof(struct dump_header));
1042 	p += dump_hdr.header_size + 1;
1043 
1044 	/* Actually read the registers */
1045 	__bnx2x_get_preset_regs(bp, p, dump_hdr.preset);
1046 
1047 	/* Re-enable parity attentions */
1048 	bnx2x_clear_blocks_parity(bp);
1049 	bnx2x_enable_blocks_parity(bp);
1050 
1051 	return 0;
1052 }
1053 
1054 static void bnx2x_get_drvinfo(struct net_device *dev,
1055 			      struct ethtool_drvinfo *info)
1056 {
1057 	struct bnx2x *bp = netdev_priv(dev);
1058 
1059 	strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1060 	strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
1061 
1062 	bnx2x_fill_fw_str(bp, info->fw_version, sizeof(info->fw_version));
1063 
1064 	strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1065 	info->n_stats = BNX2X_NUM_STATS;
1066 	info->testinfo_len = BNX2X_NUM_TESTS(bp);
1067 	info->eedump_len = bp->common.flash_size;
1068 	info->regdump_len = bnx2x_get_regs_len(dev);
1069 }
1070 
1071 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1072 {
1073 	struct bnx2x *bp = netdev_priv(dev);
1074 
1075 	if (bp->flags & NO_WOL_FLAG) {
1076 		wol->supported = 0;
1077 		wol->wolopts = 0;
1078 	} else {
1079 		wol->supported = WAKE_MAGIC;
1080 		if (bp->wol)
1081 			wol->wolopts = WAKE_MAGIC;
1082 		else
1083 			wol->wolopts = 0;
1084 	}
1085 	memset(&wol->sopass, 0, sizeof(wol->sopass));
1086 }
1087 
1088 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1089 {
1090 	struct bnx2x *bp = netdev_priv(dev);
1091 
1092 	if (wol->wolopts & ~WAKE_MAGIC) {
1093 		DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n");
1094 		return -EINVAL;
1095 	}
1096 
1097 	if (wol->wolopts & WAKE_MAGIC) {
1098 		if (bp->flags & NO_WOL_FLAG) {
1099 			DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n");
1100 			return -EINVAL;
1101 		}
1102 		bp->wol = 1;
1103 	} else
1104 		bp->wol = 0;
1105 
1106 	return 0;
1107 }
1108 
1109 static u32 bnx2x_get_msglevel(struct net_device *dev)
1110 {
1111 	struct bnx2x *bp = netdev_priv(dev);
1112 
1113 	return bp->msg_enable;
1114 }
1115 
1116 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
1117 {
1118 	struct bnx2x *bp = netdev_priv(dev);
1119 
1120 	if (capable(CAP_NET_ADMIN)) {
1121 		/* dump MCP trace */
1122 		if (IS_PF(bp) && (level & BNX2X_MSG_MCP))
1123 			bnx2x_fw_dump_lvl(bp, KERN_INFO);
1124 		bp->msg_enable = level;
1125 	}
1126 }
1127 
1128 static int bnx2x_nway_reset(struct net_device *dev)
1129 {
1130 	struct bnx2x *bp = netdev_priv(dev);
1131 
1132 	if (!bp->port.pmf)
1133 		return 0;
1134 
1135 	if (netif_running(dev)) {
1136 		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1137 		bnx2x_force_link_reset(bp);
1138 		bnx2x_link_set(bp);
1139 	}
1140 
1141 	return 0;
1142 }
1143 
1144 static u32 bnx2x_get_link(struct net_device *dev)
1145 {
1146 	struct bnx2x *bp = netdev_priv(dev);
1147 
1148 	if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN))
1149 		return 0;
1150 
1151 	if (IS_VF(bp))
1152 		return !test_bit(BNX2X_LINK_REPORT_LINK_DOWN,
1153 				 &bp->vf_link_vars.link_report_flags);
1154 
1155 	return bp->link_vars.link_up;
1156 }
1157 
1158 static int bnx2x_get_eeprom_len(struct net_device *dev)
1159 {
1160 	struct bnx2x *bp = netdev_priv(dev);
1161 
1162 	return bp->common.flash_size;
1163 }
1164 
1165 /* Per pf misc lock must be acquired before the per port mcp lock. Otherwise,
1166  * had we done things the other way around, if two pfs from the same port would
1167  * attempt to access nvram at the same time, we could run into a scenario such
1168  * as:
1169  * pf A takes the port lock.
1170  * pf B succeeds in taking the same lock since they are from the same port.
1171  * pf A takes the per pf misc lock. Performs eeprom access.
1172  * pf A finishes. Unlocks the per pf misc lock.
1173  * Pf B takes the lock and proceeds to perform it's own access.
1174  * pf A unlocks the per port lock, while pf B is still working (!).
1175  * mcp takes the per port lock and corrupts pf B's access (and/or has it's own
1176  * access corrupted by pf B)
1177  */
1178 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
1179 {
1180 	int port = BP_PORT(bp);
1181 	int count, i;
1182 	u32 val;
1183 
1184 	/* acquire HW lock: protect against other PFs in PF Direct Assignment */
1185 	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1186 
1187 	/* adjust timeout for emulation/FPGA */
1188 	count = BNX2X_NVRAM_TIMEOUT_COUNT;
1189 	if (CHIP_REV_IS_SLOW(bp))
1190 		count *= 100;
1191 
1192 	/* request access to nvram interface */
1193 	REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
1194 	       (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
1195 
1196 	for (i = 0; i < count*10; i++) {
1197 		val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
1198 		if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
1199 			break;
1200 
1201 		udelay(5);
1202 	}
1203 
1204 	if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
1205 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1206 		   "cannot get access to nvram interface\n");
1207 		return -EBUSY;
1208 	}
1209 
1210 	return 0;
1211 }
1212 
1213 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
1214 {
1215 	int port = BP_PORT(bp);
1216 	int count, i;
1217 	u32 val;
1218 
1219 	/* adjust timeout for emulation/FPGA */
1220 	count = BNX2X_NVRAM_TIMEOUT_COUNT;
1221 	if (CHIP_REV_IS_SLOW(bp))
1222 		count *= 100;
1223 
1224 	/* relinquish nvram interface */
1225 	REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
1226 	       (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
1227 
1228 	for (i = 0; i < count*10; i++) {
1229 		val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
1230 		if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
1231 			break;
1232 
1233 		udelay(5);
1234 	}
1235 
1236 	if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
1237 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1238 		   "cannot free access to nvram interface\n");
1239 		return -EBUSY;
1240 	}
1241 
1242 	/* release HW lock: protect against other PFs in PF Direct Assignment */
1243 	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1244 	return 0;
1245 }
1246 
1247 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
1248 {
1249 	u32 val;
1250 
1251 	val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1252 
1253 	/* enable both bits, even on read */
1254 	REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1255 	       (val | MCPR_NVM_ACCESS_ENABLE_EN |
1256 		      MCPR_NVM_ACCESS_ENABLE_WR_EN));
1257 }
1258 
1259 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
1260 {
1261 	u32 val;
1262 
1263 	val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1264 
1265 	/* disable both bits, even after read */
1266 	REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1267 	       (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
1268 			MCPR_NVM_ACCESS_ENABLE_WR_EN)));
1269 }
1270 
1271 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val,
1272 				  u32 cmd_flags)
1273 {
1274 	int count, i, rc;
1275 	u32 val;
1276 
1277 	/* build the command word */
1278 	cmd_flags |= MCPR_NVM_COMMAND_DOIT;
1279 
1280 	/* need to clear DONE bit separately */
1281 	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1282 
1283 	/* address of the NVRAM to read from */
1284 	REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1285 	       (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1286 
1287 	/* issue a read command */
1288 	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1289 
1290 	/* adjust timeout for emulation/FPGA */
1291 	count = BNX2X_NVRAM_TIMEOUT_COUNT;
1292 	if (CHIP_REV_IS_SLOW(bp))
1293 		count *= 100;
1294 
1295 	/* wait for completion */
1296 	*ret_val = 0;
1297 	rc = -EBUSY;
1298 	for (i = 0; i < count; i++) {
1299 		udelay(5);
1300 		val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1301 
1302 		if (val & MCPR_NVM_COMMAND_DONE) {
1303 			val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
1304 			/* we read nvram data in cpu order
1305 			 * but ethtool sees it as an array of bytes
1306 			 * converting to big-endian will do the work
1307 			 */
1308 			*ret_val = cpu_to_be32(val);
1309 			rc = 0;
1310 			break;
1311 		}
1312 	}
1313 	if (rc == -EBUSY)
1314 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1315 		   "nvram read timeout expired\n");
1316 	return rc;
1317 }
1318 
1319 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
1320 			    int buf_size)
1321 {
1322 	int rc;
1323 	u32 cmd_flags;
1324 	__be32 val;
1325 
1326 	if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1327 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1328 		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
1329 		   offset, buf_size);
1330 		return -EINVAL;
1331 	}
1332 
1333 	if (offset + buf_size > bp->common.flash_size) {
1334 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1335 		   "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1336 		   offset, buf_size, bp->common.flash_size);
1337 		return -EINVAL;
1338 	}
1339 
1340 	/* request access to nvram interface */
1341 	rc = bnx2x_acquire_nvram_lock(bp);
1342 	if (rc)
1343 		return rc;
1344 
1345 	/* enable access to nvram interface */
1346 	bnx2x_enable_nvram_access(bp);
1347 
1348 	/* read the first word(s) */
1349 	cmd_flags = MCPR_NVM_COMMAND_FIRST;
1350 	while ((buf_size > sizeof(u32)) && (rc == 0)) {
1351 		rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1352 		memcpy(ret_buf, &val, 4);
1353 
1354 		/* advance to the next dword */
1355 		offset += sizeof(u32);
1356 		ret_buf += sizeof(u32);
1357 		buf_size -= sizeof(u32);
1358 		cmd_flags = 0;
1359 	}
1360 
1361 	if (rc == 0) {
1362 		cmd_flags |= MCPR_NVM_COMMAND_LAST;
1363 		rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1364 		memcpy(ret_buf, &val, 4);
1365 	}
1366 
1367 	/* disable access to nvram interface */
1368 	bnx2x_disable_nvram_access(bp);
1369 	bnx2x_release_nvram_lock(bp);
1370 
1371 	return rc;
1372 }
1373 
1374 static int bnx2x_nvram_read32(struct bnx2x *bp, u32 offset, u32 *buf,
1375 			      int buf_size)
1376 {
1377 	int rc;
1378 
1379 	rc = bnx2x_nvram_read(bp, offset, (u8 *)buf, buf_size);
1380 
1381 	if (!rc) {
1382 		__be32 *be = (__be32 *)buf;
1383 
1384 		while ((buf_size -= 4) >= 0)
1385 			*buf++ = be32_to_cpu(*be++);
1386 	}
1387 
1388 	return rc;
1389 }
1390 
1391 static bool bnx2x_is_nvm_accessible(struct bnx2x *bp)
1392 {
1393 	int rc = 1;
1394 	u16 pm = 0;
1395 	struct net_device *dev = pci_get_drvdata(bp->pdev);
1396 
1397 	if (bp->pdev->pm_cap)
1398 		rc = pci_read_config_word(bp->pdev,
1399 					  bp->pdev->pm_cap + PCI_PM_CTRL, &pm);
1400 
1401 	if ((rc && !netif_running(dev)) ||
1402 	    (!rc && ((pm & PCI_PM_CTRL_STATE_MASK) != (__force u16)PCI_D0)))
1403 		return false;
1404 
1405 	return true;
1406 }
1407 
1408 static int bnx2x_get_eeprom(struct net_device *dev,
1409 			    struct ethtool_eeprom *eeprom, u8 *eebuf)
1410 {
1411 	struct bnx2x *bp = netdev_priv(dev);
1412 
1413 	if (!bnx2x_is_nvm_accessible(bp)) {
1414 		DP(BNX2X_MSG_ETHTOOL  | BNX2X_MSG_NVM,
1415 		   "cannot access eeprom when the interface is down\n");
1416 		return -EAGAIN;
1417 	}
1418 
1419 	DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1420 	   "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
1421 	   eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1422 	   eeprom->len, eeprom->len);
1423 
1424 	/* parameters already validated in ethtool_get_eeprom */
1425 
1426 	return bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
1427 }
1428 
1429 static int bnx2x_get_module_eeprom(struct net_device *dev,
1430 				   struct ethtool_eeprom *ee,
1431 				   u8 *data)
1432 {
1433 	struct bnx2x *bp = netdev_priv(dev);
1434 	int rc = -EINVAL, phy_idx;
1435 	u8 *user_data = data;
1436 	unsigned int start_addr = ee->offset, xfer_size = 0;
1437 
1438 	if (!bnx2x_is_nvm_accessible(bp)) {
1439 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1440 		   "cannot access eeprom when the interface is down\n");
1441 		return -EAGAIN;
1442 	}
1443 
1444 	phy_idx = bnx2x_get_cur_phy_idx(bp);
1445 
1446 	/* Read A0 section */
1447 	if (start_addr < ETH_MODULE_SFF_8079_LEN) {
1448 		/* Limit transfer size to the A0 section boundary */
1449 		if (start_addr + ee->len > ETH_MODULE_SFF_8079_LEN)
1450 			xfer_size = ETH_MODULE_SFF_8079_LEN - start_addr;
1451 		else
1452 			xfer_size = ee->len;
1453 		bnx2x_acquire_phy_lock(bp);
1454 		rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1455 						  &bp->link_params,
1456 						  I2C_DEV_ADDR_A0,
1457 						  start_addr,
1458 						  xfer_size,
1459 						  user_data);
1460 		bnx2x_release_phy_lock(bp);
1461 		if (rc) {
1462 			DP(BNX2X_MSG_ETHTOOL, "Failed reading A0 section\n");
1463 
1464 			return -EINVAL;
1465 		}
1466 		user_data += xfer_size;
1467 		start_addr += xfer_size;
1468 	}
1469 
1470 	/* Read A2 section */
1471 	if ((start_addr >= ETH_MODULE_SFF_8079_LEN) &&
1472 	    (start_addr < ETH_MODULE_SFF_8472_LEN)) {
1473 		xfer_size = ee->len - xfer_size;
1474 		/* Limit transfer size to the A2 section boundary */
1475 		if (start_addr + xfer_size > ETH_MODULE_SFF_8472_LEN)
1476 			xfer_size = ETH_MODULE_SFF_8472_LEN - start_addr;
1477 		start_addr -= ETH_MODULE_SFF_8079_LEN;
1478 		bnx2x_acquire_phy_lock(bp);
1479 		rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1480 						  &bp->link_params,
1481 						  I2C_DEV_ADDR_A2,
1482 						  start_addr,
1483 						  xfer_size,
1484 						  user_data);
1485 		bnx2x_release_phy_lock(bp);
1486 		if (rc) {
1487 			DP(BNX2X_MSG_ETHTOOL, "Failed reading A2 section\n");
1488 			return -EINVAL;
1489 		}
1490 	}
1491 	return rc;
1492 }
1493 
1494 static int bnx2x_get_module_info(struct net_device *dev,
1495 				 struct ethtool_modinfo *modinfo)
1496 {
1497 	struct bnx2x *bp = netdev_priv(dev);
1498 	int phy_idx, rc;
1499 	u8 sff8472_comp, diag_type;
1500 
1501 	if (!bnx2x_is_nvm_accessible(bp)) {
1502 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1503 		   "cannot access eeprom when the interface is down\n");
1504 		return -EAGAIN;
1505 	}
1506 	phy_idx = bnx2x_get_cur_phy_idx(bp);
1507 	bnx2x_acquire_phy_lock(bp);
1508 	rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1509 					  &bp->link_params,
1510 					  I2C_DEV_ADDR_A0,
1511 					  SFP_EEPROM_SFF_8472_COMP_ADDR,
1512 					  SFP_EEPROM_SFF_8472_COMP_SIZE,
1513 					  &sff8472_comp);
1514 	bnx2x_release_phy_lock(bp);
1515 	if (rc) {
1516 		DP(BNX2X_MSG_ETHTOOL, "Failed reading SFF-8472 comp field\n");
1517 		return -EINVAL;
1518 	}
1519 
1520 	bnx2x_acquire_phy_lock(bp);
1521 	rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1522 					  &bp->link_params,
1523 					  I2C_DEV_ADDR_A0,
1524 					  SFP_EEPROM_DIAG_TYPE_ADDR,
1525 					  SFP_EEPROM_DIAG_TYPE_SIZE,
1526 					  &diag_type);
1527 	bnx2x_release_phy_lock(bp);
1528 	if (rc) {
1529 		DP(BNX2X_MSG_ETHTOOL, "Failed reading Diag Type field\n");
1530 		return -EINVAL;
1531 	}
1532 
1533 	if (!sff8472_comp ||
1534 	    (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ)) {
1535 		modinfo->type = ETH_MODULE_SFF_8079;
1536 		modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
1537 	} else {
1538 		modinfo->type = ETH_MODULE_SFF_8472;
1539 		modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1540 	}
1541 	return 0;
1542 }
1543 
1544 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
1545 				   u32 cmd_flags)
1546 {
1547 	int count, i, rc;
1548 
1549 	/* build the command word */
1550 	cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
1551 
1552 	/* need to clear DONE bit separately */
1553 	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1554 
1555 	/* write the data */
1556 	REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
1557 
1558 	/* address of the NVRAM to write to */
1559 	REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1560 	       (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1561 
1562 	/* issue the write command */
1563 	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1564 
1565 	/* adjust timeout for emulation/FPGA */
1566 	count = BNX2X_NVRAM_TIMEOUT_COUNT;
1567 	if (CHIP_REV_IS_SLOW(bp))
1568 		count *= 100;
1569 
1570 	/* wait for completion */
1571 	rc = -EBUSY;
1572 	for (i = 0; i < count; i++) {
1573 		udelay(5);
1574 		val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1575 		if (val & MCPR_NVM_COMMAND_DONE) {
1576 			rc = 0;
1577 			break;
1578 		}
1579 	}
1580 
1581 	if (rc == -EBUSY)
1582 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1583 		   "nvram write timeout expired\n");
1584 	return rc;
1585 }
1586 
1587 #define BYTE_OFFSET(offset)		(8 * (offset & 0x03))
1588 
1589 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
1590 			      int buf_size)
1591 {
1592 	int rc;
1593 	u32 cmd_flags, align_offset, val;
1594 	__be32 val_be;
1595 
1596 	if (offset + buf_size > bp->common.flash_size) {
1597 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1598 		   "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1599 		   offset, buf_size, bp->common.flash_size);
1600 		return -EINVAL;
1601 	}
1602 
1603 	/* request access to nvram interface */
1604 	rc = bnx2x_acquire_nvram_lock(bp);
1605 	if (rc)
1606 		return rc;
1607 
1608 	/* enable access to nvram interface */
1609 	bnx2x_enable_nvram_access(bp);
1610 
1611 	cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
1612 	align_offset = (offset & ~0x03);
1613 	rc = bnx2x_nvram_read_dword(bp, align_offset, &val_be, cmd_flags);
1614 
1615 	if (rc == 0) {
1616 		/* nvram data is returned as an array of bytes
1617 		 * convert it back to cpu order
1618 		 */
1619 		val = be32_to_cpu(val_be);
1620 
1621 		val &= ~le32_to_cpu((__force __le32)
1622 				    (0xff << BYTE_OFFSET(offset)));
1623 		val |= le32_to_cpu((__force __le32)
1624 				   (*data_buf << BYTE_OFFSET(offset)));
1625 
1626 		rc = bnx2x_nvram_write_dword(bp, align_offset, val,
1627 					     cmd_flags);
1628 	}
1629 
1630 	/* disable access to nvram interface */
1631 	bnx2x_disable_nvram_access(bp);
1632 	bnx2x_release_nvram_lock(bp);
1633 
1634 	return rc;
1635 }
1636 
1637 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
1638 			     int buf_size)
1639 {
1640 	int rc;
1641 	u32 cmd_flags;
1642 	u32 val;
1643 	u32 written_so_far;
1644 
1645 	if (buf_size == 1)	/* ethtool */
1646 		return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
1647 
1648 	if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1649 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1650 		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
1651 		   offset, buf_size);
1652 		return -EINVAL;
1653 	}
1654 
1655 	if (offset + buf_size > bp->common.flash_size) {
1656 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1657 		   "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1658 		   offset, buf_size, bp->common.flash_size);
1659 		return -EINVAL;
1660 	}
1661 
1662 	/* request access to nvram interface */
1663 	rc = bnx2x_acquire_nvram_lock(bp);
1664 	if (rc)
1665 		return rc;
1666 
1667 	/* enable access to nvram interface */
1668 	bnx2x_enable_nvram_access(bp);
1669 
1670 	written_so_far = 0;
1671 	cmd_flags = MCPR_NVM_COMMAND_FIRST;
1672 	while ((written_so_far < buf_size) && (rc == 0)) {
1673 		if (written_so_far == (buf_size - sizeof(u32)))
1674 			cmd_flags |= MCPR_NVM_COMMAND_LAST;
1675 		else if (((offset + 4) % BNX2X_NVRAM_PAGE_SIZE) == 0)
1676 			cmd_flags |= MCPR_NVM_COMMAND_LAST;
1677 		else if ((offset % BNX2X_NVRAM_PAGE_SIZE) == 0)
1678 			cmd_flags |= MCPR_NVM_COMMAND_FIRST;
1679 
1680 		memcpy(&val, data_buf, 4);
1681 
1682 		/* Notice unlike bnx2x_nvram_read_dword() this will not
1683 		 * change val using be32_to_cpu(), which causes data to flip
1684 		 * if the eeprom is read and then written back. This is due
1685 		 * to tools utilizing this functionality that would break
1686 		 * if this would be resolved.
1687 		 */
1688 		rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
1689 
1690 		/* advance to the next dword */
1691 		offset += sizeof(u32);
1692 		data_buf += sizeof(u32);
1693 		written_so_far += sizeof(u32);
1694 		cmd_flags = 0;
1695 	}
1696 
1697 	/* disable access to nvram interface */
1698 	bnx2x_disable_nvram_access(bp);
1699 	bnx2x_release_nvram_lock(bp);
1700 
1701 	return rc;
1702 }
1703 
1704 static int bnx2x_set_eeprom(struct net_device *dev,
1705 			    struct ethtool_eeprom *eeprom, u8 *eebuf)
1706 {
1707 	struct bnx2x *bp = netdev_priv(dev);
1708 	int port = BP_PORT(bp);
1709 	int rc = 0;
1710 	u32 ext_phy_config;
1711 
1712 	if (!bnx2x_is_nvm_accessible(bp)) {
1713 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1714 		   "cannot access eeprom when the interface is down\n");
1715 		return -EAGAIN;
1716 	}
1717 
1718 	DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1719 	   "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
1720 	   eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1721 	   eeprom->len, eeprom->len);
1722 
1723 	/* parameters already validated in ethtool_set_eeprom */
1724 
1725 	/* PHY eeprom can be accessed only by the PMF */
1726 	if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) &&
1727 	    !bp->port.pmf) {
1728 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1729 		   "wrong magic or interface is not pmf\n");
1730 		return -EINVAL;
1731 	}
1732 
1733 	ext_phy_config =
1734 		SHMEM_RD(bp,
1735 			 dev_info.port_hw_config[port].external_phy_config);
1736 
1737 	if (eeprom->magic == 0x50485950) {
1738 		/* 'PHYP' (0x50485950): prepare phy for FW upgrade */
1739 		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1740 
1741 		bnx2x_acquire_phy_lock(bp);
1742 		rc |= bnx2x_link_reset(&bp->link_params,
1743 				       &bp->link_vars, 0);
1744 		if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1745 					PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101)
1746 			bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1747 				       MISC_REGISTERS_GPIO_HIGH, port);
1748 		bnx2x_release_phy_lock(bp);
1749 		bnx2x_link_report(bp);
1750 
1751 	} else if (eeprom->magic == 0x50485952) {
1752 		/* 'PHYR' (0x50485952): re-init link after FW upgrade */
1753 		if (bp->state == BNX2X_STATE_OPEN) {
1754 			bnx2x_acquire_phy_lock(bp);
1755 			rc |= bnx2x_link_reset(&bp->link_params,
1756 					       &bp->link_vars, 1);
1757 
1758 			rc |= bnx2x_phy_init(&bp->link_params,
1759 					     &bp->link_vars);
1760 			bnx2x_release_phy_lock(bp);
1761 			bnx2x_calc_fc_adv(bp);
1762 		}
1763 	} else if (eeprom->magic == 0x53985943) {
1764 		/* 'PHYC' (0x53985943): PHY FW upgrade completed */
1765 		if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1766 				       PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) {
1767 
1768 			/* DSP Remove Download Mode */
1769 			bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1770 				       MISC_REGISTERS_GPIO_LOW, port);
1771 
1772 			bnx2x_acquire_phy_lock(bp);
1773 
1774 			bnx2x_sfx7101_sp_sw_reset(bp,
1775 						&bp->link_params.phy[EXT_PHY1]);
1776 
1777 			/* wait 0.5 sec to allow it to run */
1778 			msleep(500);
1779 			bnx2x_ext_phy_hw_reset(bp, port);
1780 			msleep(500);
1781 			bnx2x_release_phy_lock(bp);
1782 		}
1783 	} else
1784 		rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
1785 
1786 	return rc;
1787 }
1788 
1789 static int bnx2x_get_coalesce(struct net_device *dev,
1790 			      struct ethtool_coalesce *coal)
1791 {
1792 	struct bnx2x *bp = netdev_priv(dev);
1793 
1794 	memset(coal, 0, sizeof(struct ethtool_coalesce));
1795 
1796 	coal->rx_coalesce_usecs = bp->rx_ticks;
1797 	coal->tx_coalesce_usecs = bp->tx_ticks;
1798 
1799 	return 0;
1800 }
1801 
1802 static int bnx2x_set_coalesce(struct net_device *dev,
1803 			      struct ethtool_coalesce *coal)
1804 {
1805 	struct bnx2x *bp = netdev_priv(dev);
1806 
1807 	bp->rx_ticks = (u16)coal->rx_coalesce_usecs;
1808 	if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT)
1809 		bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT;
1810 
1811 	bp->tx_ticks = (u16)coal->tx_coalesce_usecs;
1812 	if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT)
1813 		bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT;
1814 
1815 	if (netif_running(dev))
1816 		bnx2x_update_coalesce(bp);
1817 
1818 	return 0;
1819 }
1820 
1821 static void bnx2x_get_ringparam(struct net_device *dev,
1822 				struct ethtool_ringparam *ering)
1823 {
1824 	struct bnx2x *bp = netdev_priv(dev);
1825 
1826 	ering->rx_max_pending = MAX_RX_AVAIL;
1827 
1828 	if (bp->rx_ring_size)
1829 		ering->rx_pending = bp->rx_ring_size;
1830 	else
1831 		ering->rx_pending = MAX_RX_AVAIL;
1832 
1833 	ering->tx_max_pending = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
1834 	ering->tx_pending = bp->tx_ring_size;
1835 }
1836 
1837 static int bnx2x_set_ringparam(struct net_device *dev,
1838 			       struct ethtool_ringparam *ering)
1839 {
1840 	struct bnx2x *bp = netdev_priv(dev);
1841 
1842 	DP(BNX2X_MSG_ETHTOOL,
1843 	   "set ring params command parameters: rx_pending = %d, tx_pending = %d\n",
1844 	   ering->rx_pending, ering->tx_pending);
1845 
1846 	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1847 		DP(BNX2X_MSG_ETHTOOL,
1848 		   "Handling parity error recovery. Try again later\n");
1849 		return -EAGAIN;
1850 	}
1851 
1852 	if ((ering->rx_pending > MAX_RX_AVAIL) ||
1853 	    (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
1854 						    MIN_RX_SIZE_TPA)) ||
1855 	    (ering->tx_pending > (IS_MF_STORAGE_ONLY(bp) ? 0 : MAX_TX_AVAIL)) ||
1856 	    (ering->tx_pending <= MAX_SKB_FRAGS + 4)) {
1857 		DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
1858 		return -EINVAL;
1859 	}
1860 
1861 	bp->rx_ring_size = ering->rx_pending;
1862 	bp->tx_ring_size = ering->tx_pending;
1863 
1864 	return bnx2x_reload_if_running(dev);
1865 }
1866 
1867 static void bnx2x_get_pauseparam(struct net_device *dev,
1868 				 struct ethtool_pauseparam *epause)
1869 {
1870 	struct bnx2x *bp = netdev_priv(dev);
1871 	int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1872 	int cfg_reg;
1873 
1874 	epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] ==
1875 			   BNX2X_FLOW_CTRL_AUTO);
1876 
1877 	if (!epause->autoneg)
1878 		cfg_reg = bp->link_params.req_flow_ctrl[cfg_idx];
1879 	else
1880 		cfg_reg = bp->link_params.req_fc_auto_adv;
1881 
1882 	epause->rx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_RX) ==
1883 			    BNX2X_FLOW_CTRL_RX);
1884 	epause->tx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_TX) ==
1885 			    BNX2X_FLOW_CTRL_TX);
1886 
1887 	DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
1888 	   "  autoneg %d  rx_pause %d  tx_pause %d\n",
1889 	   epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1890 }
1891 
1892 static int bnx2x_set_pauseparam(struct net_device *dev,
1893 				struct ethtool_pauseparam *epause)
1894 {
1895 	struct bnx2x *bp = netdev_priv(dev);
1896 	u32 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1897 	if (IS_MF(bp))
1898 		return 0;
1899 
1900 	DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
1901 	   "  autoneg %d  rx_pause %d  tx_pause %d\n",
1902 	   epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1903 
1904 	bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO;
1905 
1906 	if (epause->rx_pause)
1907 		bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX;
1908 
1909 	if (epause->tx_pause)
1910 		bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX;
1911 
1912 	if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO)
1913 		bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE;
1914 
1915 	if (epause->autoneg) {
1916 		if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
1917 			DP(BNX2X_MSG_ETHTOOL, "autoneg not supported\n");
1918 			return -EINVAL;
1919 		}
1920 
1921 		if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) {
1922 			bp->link_params.req_flow_ctrl[cfg_idx] =
1923 				BNX2X_FLOW_CTRL_AUTO;
1924 		}
1925 		bp->link_params.req_fc_auto_adv = 0;
1926 		if (epause->rx_pause)
1927 			bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_RX;
1928 
1929 		if (epause->tx_pause)
1930 			bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_TX;
1931 
1932 		if (!bp->link_params.req_fc_auto_adv)
1933 			bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_NONE;
1934 	}
1935 
1936 	DP(BNX2X_MSG_ETHTOOL,
1937 	   "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]);
1938 
1939 	if (netif_running(dev)) {
1940 		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1941 		bnx2x_link_set(bp);
1942 	}
1943 
1944 	return 0;
1945 }
1946 
1947 static const char bnx2x_tests_str_arr[BNX2X_NUM_TESTS_SF][ETH_GSTRING_LEN] = {
1948 	"register_test (offline)    ",
1949 	"memory_test (offline)      ",
1950 	"int_loopback_test (offline)",
1951 	"ext_loopback_test (offline)",
1952 	"nvram_test (online)        ",
1953 	"interrupt_test (online)    ",
1954 	"link_test (online)         "
1955 };
1956 
1957 enum {
1958 	BNX2X_PRI_FLAG_ISCSI,
1959 	BNX2X_PRI_FLAG_FCOE,
1960 	BNX2X_PRI_FLAG_STORAGE,
1961 	BNX2X_PRI_FLAG_LEN,
1962 };
1963 
1964 static const char bnx2x_private_arr[BNX2X_PRI_FLAG_LEN][ETH_GSTRING_LEN] = {
1965 	"iSCSI offload support",
1966 	"FCoE offload support",
1967 	"Storage only interface"
1968 };
1969 
1970 static u32 bnx2x_eee_to_adv(u32 eee_adv)
1971 {
1972 	u32 modes = 0;
1973 
1974 	if (eee_adv & SHMEM_EEE_100M_ADV)
1975 		modes |= ADVERTISED_100baseT_Full;
1976 	if (eee_adv & SHMEM_EEE_1G_ADV)
1977 		modes |= ADVERTISED_1000baseT_Full;
1978 	if (eee_adv & SHMEM_EEE_10G_ADV)
1979 		modes |= ADVERTISED_10000baseT_Full;
1980 
1981 	return modes;
1982 }
1983 
1984 static u32 bnx2x_adv_to_eee(u32 modes, u32 shift)
1985 {
1986 	u32 eee_adv = 0;
1987 	if (modes & ADVERTISED_100baseT_Full)
1988 		eee_adv |= SHMEM_EEE_100M_ADV;
1989 	if (modes & ADVERTISED_1000baseT_Full)
1990 		eee_adv |= SHMEM_EEE_1G_ADV;
1991 	if (modes & ADVERTISED_10000baseT_Full)
1992 		eee_adv |= SHMEM_EEE_10G_ADV;
1993 
1994 	return eee_adv << shift;
1995 }
1996 
1997 static int bnx2x_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1998 {
1999 	struct bnx2x *bp = netdev_priv(dev);
2000 	u32 eee_cfg;
2001 
2002 	if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
2003 		DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
2004 		return -EOPNOTSUPP;
2005 	}
2006 
2007 	eee_cfg = bp->link_vars.eee_status;
2008 
2009 	edata->supported =
2010 		bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_SUPPORTED_MASK) >>
2011 				 SHMEM_EEE_SUPPORTED_SHIFT);
2012 
2013 	edata->advertised =
2014 		bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_ADV_STATUS_MASK) >>
2015 				 SHMEM_EEE_ADV_STATUS_SHIFT);
2016 	edata->lp_advertised =
2017 		bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_LP_ADV_STATUS_MASK) >>
2018 				 SHMEM_EEE_LP_ADV_STATUS_SHIFT);
2019 
2020 	/* SHMEM value is in 16u units --> Convert to 1u units. */
2021 	edata->tx_lpi_timer = (eee_cfg & SHMEM_EEE_TIMER_MASK) << 4;
2022 
2023 	edata->eee_enabled    = (eee_cfg & SHMEM_EEE_REQUESTED_BIT)	? 1 : 0;
2024 	edata->eee_active     = (eee_cfg & SHMEM_EEE_ACTIVE_BIT)	? 1 : 0;
2025 	edata->tx_lpi_enabled = (eee_cfg & SHMEM_EEE_LPI_REQUESTED_BIT) ? 1 : 0;
2026 
2027 	return 0;
2028 }
2029 
2030 static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata)
2031 {
2032 	struct bnx2x *bp = netdev_priv(dev);
2033 	u32 eee_cfg;
2034 	u32 advertised;
2035 
2036 	if (IS_MF(bp))
2037 		return 0;
2038 
2039 	if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
2040 		DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
2041 		return -EOPNOTSUPP;
2042 	}
2043 
2044 	eee_cfg = bp->link_vars.eee_status;
2045 
2046 	if (!(eee_cfg & SHMEM_EEE_SUPPORTED_MASK)) {
2047 		DP(BNX2X_MSG_ETHTOOL, "Board does not support EEE!\n");
2048 		return -EOPNOTSUPP;
2049 	}
2050 
2051 	advertised = bnx2x_adv_to_eee(edata->advertised,
2052 				      SHMEM_EEE_ADV_STATUS_SHIFT);
2053 	if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) {
2054 		DP(BNX2X_MSG_ETHTOOL,
2055 		   "Direct manipulation of EEE advertisement is not supported\n");
2056 		return -EINVAL;
2057 	}
2058 
2059 	if (edata->tx_lpi_timer > EEE_MODE_TIMER_MASK) {
2060 		DP(BNX2X_MSG_ETHTOOL,
2061 		   "Maximal Tx Lpi timer supported is %x(u)\n",
2062 		   EEE_MODE_TIMER_MASK);
2063 		return -EINVAL;
2064 	}
2065 	if (edata->tx_lpi_enabled &&
2066 	    (edata->tx_lpi_timer < EEE_MODE_NVRAM_AGGRESSIVE_TIME)) {
2067 		DP(BNX2X_MSG_ETHTOOL,
2068 		   "Minimal Tx Lpi timer supported is %d(u)\n",
2069 		   EEE_MODE_NVRAM_AGGRESSIVE_TIME);
2070 		return -EINVAL;
2071 	}
2072 
2073 	/* All is well; Apply changes*/
2074 	if (edata->eee_enabled)
2075 		bp->link_params.eee_mode |= EEE_MODE_ADV_LPI;
2076 	else
2077 		bp->link_params.eee_mode &= ~EEE_MODE_ADV_LPI;
2078 
2079 	if (edata->tx_lpi_enabled)
2080 		bp->link_params.eee_mode |= EEE_MODE_ENABLE_LPI;
2081 	else
2082 		bp->link_params.eee_mode &= ~EEE_MODE_ENABLE_LPI;
2083 
2084 	bp->link_params.eee_mode &= ~EEE_MODE_TIMER_MASK;
2085 	bp->link_params.eee_mode |= (edata->tx_lpi_timer &
2086 				    EEE_MODE_TIMER_MASK) |
2087 				    EEE_MODE_OVERRIDE_NVRAM |
2088 				    EEE_MODE_OUTPUT_TIME;
2089 
2090 	/* Restart link to propagate changes */
2091 	if (netif_running(dev)) {
2092 		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2093 		bnx2x_force_link_reset(bp);
2094 		bnx2x_link_set(bp);
2095 	}
2096 
2097 	return 0;
2098 }
2099 
2100 enum {
2101 	BNX2X_CHIP_E1_OFST = 0,
2102 	BNX2X_CHIP_E1H_OFST,
2103 	BNX2X_CHIP_E2_OFST,
2104 	BNX2X_CHIP_E3_OFST,
2105 	BNX2X_CHIP_E3B0_OFST,
2106 	BNX2X_CHIP_MAX_OFST
2107 };
2108 
2109 #define BNX2X_CHIP_MASK_E1	(1 << BNX2X_CHIP_E1_OFST)
2110 #define BNX2X_CHIP_MASK_E1H	(1 << BNX2X_CHIP_E1H_OFST)
2111 #define BNX2X_CHIP_MASK_E2	(1 << BNX2X_CHIP_E2_OFST)
2112 #define BNX2X_CHIP_MASK_E3	(1 << BNX2X_CHIP_E3_OFST)
2113 #define BNX2X_CHIP_MASK_E3B0	(1 << BNX2X_CHIP_E3B0_OFST)
2114 
2115 #define BNX2X_CHIP_MASK_ALL	((1 << BNX2X_CHIP_MAX_OFST) - 1)
2116 #define BNX2X_CHIP_MASK_E1X	(BNX2X_CHIP_MASK_E1 | BNX2X_CHIP_MASK_E1H)
2117 
2118 static int bnx2x_test_registers(struct bnx2x *bp)
2119 {
2120 	int idx, i, rc = -ENODEV;
2121 	u32 wr_val = 0, hw;
2122 	int port = BP_PORT(bp);
2123 	static const struct {
2124 		u32 hw;
2125 		u32 offset0;
2126 		u32 offset1;
2127 		u32 mask;
2128 	} reg_tbl[] = {
2129 /* 0 */		{ BNX2X_CHIP_MASK_ALL,
2130 			BRB1_REG_PAUSE_LOW_THRESHOLD_0,	4, 0x000003ff },
2131 		{ BNX2X_CHIP_MASK_ALL,
2132 			DORQ_REG_DB_ADDR0,		4, 0xffffffff },
2133 		{ BNX2X_CHIP_MASK_E1X,
2134 			HC_REG_AGG_INT_0,		4, 0x000003ff },
2135 		{ BNX2X_CHIP_MASK_ALL,
2136 			PBF_REG_MAC_IF0_ENABLE,		4, 0x00000001 },
2137 		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2 | BNX2X_CHIP_MASK_E3,
2138 			PBF_REG_P0_INIT_CRD,		4, 0x000007ff },
2139 		{ BNX2X_CHIP_MASK_E3B0,
2140 			PBF_REG_INIT_CRD_Q0,		4, 0x000007ff },
2141 		{ BNX2X_CHIP_MASK_ALL,
2142 			PRS_REG_CID_PORT_0,		4, 0x00ffffff },
2143 		{ BNX2X_CHIP_MASK_ALL,
2144 			PXP2_REG_PSWRQ_CDU0_L2P,	4, 0x000fffff },
2145 		{ BNX2X_CHIP_MASK_ALL,
2146 			PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
2147 		{ BNX2X_CHIP_MASK_ALL,
2148 			PXP2_REG_PSWRQ_TM0_L2P,		4, 0x000fffff },
2149 /* 10 */	{ BNX2X_CHIP_MASK_ALL,
2150 			PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
2151 		{ BNX2X_CHIP_MASK_ALL,
2152 			PXP2_REG_PSWRQ_TSDM0_L2P,	4, 0x000fffff },
2153 		{ BNX2X_CHIP_MASK_ALL,
2154 			QM_REG_CONNNUM_0,		4, 0x000fffff },
2155 		{ BNX2X_CHIP_MASK_ALL,
2156 			TM_REG_LIN0_MAX_ACTIVE_CID,	4, 0x0003ffff },
2157 		{ BNX2X_CHIP_MASK_ALL,
2158 			SRC_REG_KEYRSS0_0,		40, 0xffffffff },
2159 		{ BNX2X_CHIP_MASK_ALL,
2160 			SRC_REG_KEYRSS0_7,		40, 0xffffffff },
2161 		{ BNX2X_CHIP_MASK_ALL,
2162 			XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
2163 		{ BNX2X_CHIP_MASK_ALL,
2164 			XCM_REG_WU_DA_CNT_CMD00,	4, 0x00000003 },
2165 		{ BNX2X_CHIP_MASK_ALL,
2166 			XCM_REG_GLB_DEL_ACK_MAX_CNT_0,	4, 0x000000ff },
2167 		{ BNX2X_CHIP_MASK_ALL,
2168 			NIG_REG_LLH0_T_BIT,		4, 0x00000001 },
2169 /* 20 */	{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2170 			NIG_REG_EMAC0_IN_EN,		4, 0x00000001 },
2171 		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2172 			NIG_REG_BMAC0_IN_EN,		4, 0x00000001 },
2173 		{ BNX2X_CHIP_MASK_ALL,
2174 			NIG_REG_XCM0_OUT_EN,		4, 0x00000001 },
2175 		{ BNX2X_CHIP_MASK_ALL,
2176 			NIG_REG_BRB0_OUT_EN,		4, 0x00000001 },
2177 		{ BNX2X_CHIP_MASK_ALL,
2178 			NIG_REG_LLH0_XCM_MASK,		4, 0x00000007 },
2179 		{ BNX2X_CHIP_MASK_ALL,
2180 			NIG_REG_LLH0_ACPI_PAT_6_LEN,	68, 0x000000ff },
2181 		{ BNX2X_CHIP_MASK_ALL,
2182 			NIG_REG_LLH0_ACPI_PAT_0_CRC,	68, 0xffffffff },
2183 		{ BNX2X_CHIP_MASK_ALL,
2184 			NIG_REG_LLH0_DEST_MAC_0_0,	160, 0xffffffff },
2185 		{ BNX2X_CHIP_MASK_ALL,
2186 			NIG_REG_LLH0_DEST_IP_0_1,	160, 0xffffffff },
2187 		{ BNX2X_CHIP_MASK_ALL,
2188 			NIG_REG_LLH0_IPV4_IPV6_0,	160, 0x00000001 },
2189 /* 30 */	{ BNX2X_CHIP_MASK_ALL,
2190 			NIG_REG_LLH0_DEST_UDP_0,	160, 0x0000ffff },
2191 		{ BNX2X_CHIP_MASK_ALL,
2192 			NIG_REG_LLH0_DEST_TCP_0,	160, 0x0000ffff },
2193 		{ BNX2X_CHIP_MASK_ALL,
2194 			NIG_REG_LLH0_VLAN_ID_0,	160, 0x00000fff },
2195 		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2196 			NIG_REG_XGXS_SERDES0_MODE_SEL,	4, 0x00000001 },
2197 		{ BNX2X_CHIP_MASK_ALL,
2198 			NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001},
2199 		{ BNX2X_CHIP_MASK_ALL,
2200 			NIG_REG_STATUS_INTERRUPT_PORT0,	4, 0x07ffffff },
2201 		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2202 			NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
2203 		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2204 			NIG_REG_SERDES0_CTRL_PHY_ADDR,	16, 0x0000001f },
2205 
2206 		{ BNX2X_CHIP_MASK_ALL, 0xffffffff, 0, 0x00000000 }
2207 	};
2208 
2209 	if (!bnx2x_is_nvm_accessible(bp)) {
2210 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2211 		   "cannot access eeprom when the interface is down\n");
2212 		return rc;
2213 	}
2214 
2215 	if (CHIP_IS_E1(bp))
2216 		hw = BNX2X_CHIP_MASK_E1;
2217 	else if (CHIP_IS_E1H(bp))
2218 		hw = BNX2X_CHIP_MASK_E1H;
2219 	else if (CHIP_IS_E2(bp))
2220 		hw = BNX2X_CHIP_MASK_E2;
2221 	else if (CHIP_IS_E3B0(bp))
2222 		hw = BNX2X_CHIP_MASK_E3B0;
2223 	else /* e3 A0 */
2224 		hw = BNX2X_CHIP_MASK_E3;
2225 
2226 	/* Repeat the test twice:
2227 	 * First by writing 0x00000000, second by writing 0xffffffff
2228 	 */
2229 	for (idx = 0; idx < 2; idx++) {
2230 
2231 		switch (idx) {
2232 		case 0:
2233 			wr_val = 0;
2234 			break;
2235 		case 1:
2236 			wr_val = 0xffffffff;
2237 			break;
2238 		}
2239 
2240 		for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
2241 			u32 offset, mask, save_val, val;
2242 			if (!(hw & reg_tbl[i].hw))
2243 				continue;
2244 
2245 			offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
2246 			mask = reg_tbl[i].mask;
2247 
2248 			save_val = REG_RD(bp, offset);
2249 
2250 			REG_WR(bp, offset, wr_val & mask);
2251 
2252 			val = REG_RD(bp, offset);
2253 
2254 			/* Restore the original register's value */
2255 			REG_WR(bp, offset, save_val);
2256 
2257 			/* verify value is as expected */
2258 			if ((val & mask) != (wr_val & mask)) {
2259 				DP(BNX2X_MSG_ETHTOOL,
2260 				   "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n",
2261 				   offset, val, wr_val, mask);
2262 				goto test_reg_exit;
2263 			}
2264 		}
2265 	}
2266 
2267 	rc = 0;
2268 
2269 test_reg_exit:
2270 	return rc;
2271 }
2272 
2273 static int bnx2x_test_memory(struct bnx2x *bp)
2274 {
2275 	int i, j, rc = -ENODEV;
2276 	u32 val, index;
2277 	static const struct {
2278 		u32 offset;
2279 		int size;
2280 	} mem_tbl[] = {
2281 		{ CCM_REG_XX_DESCR_TABLE,   CCM_REG_XX_DESCR_TABLE_SIZE },
2282 		{ CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
2283 		{ CFC_REG_LINK_LIST,        CFC_REG_LINK_LIST_SIZE },
2284 		{ DMAE_REG_CMD_MEM,         DMAE_REG_CMD_MEM_SIZE },
2285 		{ TCM_REG_XX_DESCR_TABLE,   TCM_REG_XX_DESCR_TABLE_SIZE },
2286 		{ UCM_REG_XX_DESCR_TABLE,   UCM_REG_XX_DESCR_TABLE_SIZE },
2287 		{ XCM_REG_XX_DESCR_TABLE,   XCM_REG_XX_DESCR_TABLE_SIZE },
2288 
2289 		{ 0xffffffff, 0 }
2290 	};
2291 
2292 	static const struct {
2293 		char *name;
2294 		u32 offset;
2295 		u32 hw_mask[BNX2X_CHIP_MAX_OFST];
2296 	} prty_tbl[] = {
2297 		{ "CCM_PRTY_STS",  CCM_REG_CCM_PRTY_STS,
2298 			{0x3ffc0, 0,   0, 0} },
2299 		{ "CFC_PRTY_STS",  CFC_REG_CFC_PRTY_STS,
2300 			{0x2,     0x2, 0, 0} },
2301 		{ "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS,
2302 			{0,       0,   0, 0} },
2303 		{ "TCM_PRTY_STS",  TCM_REG_TCM_PRTY_STS,
2304 			{0x3ffc0, 0,   0, 0} },
2305 		{ "UCM_PRTY_STS",  UCM_REG_UCM_PRTY_STS,
2306 			{0x3ffc0, 0,   0, 0} },
2307 		{ "XCM_PRTY_STS",  XCM_REG_XCM_PRTY_STS,
2308 			{0x3ffc1, 0,   0, 0} },
2309 
2310 		{ NULL, 0xffffffff, {0, 0, 0, 0} }
2311 	};
2312 
2313 	if (!bnx2x_is_nvm_accessible(bp)) {
2314 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2315 		   "cannot access eeprom when the interface is down\n");
2316 		return rc;
2317 	}
2318 
2319 	if (CHIP_IS_E1(bp))
2320 		index = BNX2X_CHIP_E1_OFST;
2321 	else if (CHIP_IS_E1H(bp))
2322 		index = BNX2X_CHIP_E1H_OFST;
2323 	else if (CHIP_IS_E2(bp))
2324 		index = BNX2X_CHIP_E2_OFST;
2325 	else /* e3 */
2326 		index = BNX2X_CHIP_E3_OFST;
2327 
2328 	/* pre-Check the parity status */
2329 	for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
2330 		val = REG_RD(bp, prty_tbl[i].offset);
2331 		if (val & ~(prty_tbl[i].hw_mask[index])) {
2332 			DP(BNX2X_MSG_ETHTOOL,
2333 			   "%s is 0x%x\n", prty_tbl[i].name, val);
2334 			goto test_mem_exit;
2335 		}
2336 	}
2337 
2338 	/* Go through all the memories */
2339 	for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
2340 		for (j = 0; j < mem_tbl[i].size; j++)
2341 			REG_RD(bp, mem_tbl[i].offset + j*4);
2342 
2343 	/* Check the parity status */
2344 	for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
2345 		val = REG_RD(bp, prty_tbl[i].offset);
2346 		if (val & ~(prty_tbl[i].hw_mask[index])) {
2347 			DP(BNX2X_MSG_ETHTOOL,
2348 			   "%s is 0x%x\n", prty_tbl[i].name, val);
2349 			goto test_mem_exit;
2350 		}
2351 	}
2352 
2353 	rc = 0;
2354 
2355 test_mem_exit:
2356 	return rc;
2357 }
2358 
2359 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes)
2360 {
2361 	int cnt = 1400;
2362 
2363 	if (link_up) {
2364 		while (bnx2x_link_test(bp, is_serdes) && cnt--)
2365 			msleep(20);
2366 
2367 		if (cnt <= 0 && bnx2x_link_test(bp, is_serdes))
2368 			DP(BNX2X_MSG_ETHTOOL, "Timeout waiting for link up\n");
2369 
2370 		cnt = 1400;
2371 		while (!bp->link_vars.link_up && cnt--)
2372 			msleep(20);
2373 
2374 		if (cnt <= 0 && !bp->link_vars.link_up)
2375 			DP(BNX2X_MSG_ETHTOOL,
2376 			   "Timeout waiting for link init\n");
2377 	}
2378 }
2379 
2380 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode)
2381 {
2382 	unsigned int pkt_size, num_pkts, i;
2383 	struct sk_buff *skb;
2384 	unsigned char *packet;
2385 	struct bnx2x_fastpath *fp_rx = &bp->fp[0];
2386 	struct bnx2x_fastpath *fp_tx = &bp->fp[0];
2387 	struct bnx2x_fp_txdata *txdata = fp_tx->txdata_ptr[0];
2388 	u16 tx_start_idx, tx_idx;
2389 	u16 rx_start_idx, rx_idx;
2390 	u16 pkt_prod, bd_prod;
2391 	struct sw_tx_bd *tx_buf;
2392 	struct eth_tx_start_bd *tx_start_bd;
2393 	dma_addr_t mapping;
2394 	union eth_rx_cqe *cqe;
2395 	u8 cqe_fp_flags, cqe_fp_type;
2396 	struct sw_rx_bd *rx_buf;
2397 	u16 len;
2398 	int rc = -ENODEV;
2399 	u8 *data;
2400 	struct netdev_queue *txq = netdev_get_tx_queue(bp->dev,
2401 						       txdata->txq_index);
2402 
2403 	/* check the loopback mode */
2404 	switch (loopback_mode) {
2405 	case BNX2X_PHY_LOOPBACK:
2406 		if (bp->link_params.loopback_mode != LOOPBACK_XGXS) {
2407 			DP(BNX2X_MSG_ETHTOOL, "PHY loopback not supported\n");
2408 			return -EINVAL;
2409 		}
2410 		break;
2411 	case BNX2X_MAC_LOOPBACK:
2412 		if (CHIP_IS_E3(bp)) {
2413 			int cfg_idx = bnx2x_get_link_cfg_idx(bp);
2414 			if (bp->port.supported[cfg_idx] &
2415 			    (SUPPORTED_10000baseT_Full |
2416 			     SUPPORTED_20000baseMLD2_Full |
2417 			     SUPPORTED_20000baseKR2_Full))
2418 				bp->link_params.loopback_mode = LOOPBACK_XMAC;
2419 			else
2420 				bp->link_params.loopback_mode = LOOPBACK_UMAC;
2421 		} else
2422 			bp->link_params.loopback_mode = LOOPBACK_BMAC;
2423 
2424 		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
2425 		break;
2426 	case BNX2X_EXT_LOOPBACK:
2427 		if (bp->link_params.loopback_mode != LOOPBACK_EXT) {
2428 			DP(BNX2X_MSG_ETHTOOL,
2429 			   "Can't configure external loopback\n");
2430 			return -EINVAL;
2431 		}
2432 		break;
2433 	default:
2434 		DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
2435 		return -EINVAL;
2436 	}
2437 
2438 	/* prepare the loopback packet */
2439 	pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ?
2440 		     bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN);
2441 	skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size);
2442 	if (!skb) {
2443 		DP(BNX2X_MSG_ETHTOOL, "Can't allocate skb\n");
2444 		rc = -ENOMEM;
2445 		goto test_loopback_exit;
2446 	}
2447 	packet = skb_put(skb, pkt_size);
2448 	memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
2449 	memset(packet + ETH_ALEN, 0, ETH_ALEN);
2450 	memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN));
2451 	for (i = ETH_HLEN; i < pkt_size; i++)
2452 		packet[i] = (unsigned char) (i & 0xff);
2453 	mapping = dma_map_single(&bp->pdev->dev, skb->data,
2454 				 skb_headlen(skb), DMA_TO_DEVICE);
2455 	if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
2456 		rc = -ENOMEM;
2457 		dev_kfree_skb(skb);
2458 		DP(BNX2X_MSG_ETHTOOL, "Unable to map SKB\n");
2459 		goto test_loopback_exit;
2460 	}
2461 
2462 	/* send the loopback packet */
2463 	num_pkts = 0;
2464 	tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb);
2465 	rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
2466 
2467 	netdev_tx_sent_queue(txq, skb->len);
2468 
2469 	pkt_prod = txdata->tx_pkt_prod++;
2470 	tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)];
2471 	tx_buf->first_bd = txdata->tx_bd_prod;
2472 	tx_buf->skb = skb;
2473 	tx_buf->flags = 0;
2474 
2475 	bd_prod = TX_BD(txdata->tx_bd_prod);
2476 	tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd;
2477 	tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
2478 	tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
2479 	tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
2480 	tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb));
2481 	tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
2482 	tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
2483 	SET_FLAG(tx_start_bd->general_data,
2484 		 ETH_TX_START_BD_HDR_NBDS,
2485 		 1);
2486 	SET_FLAG(tx_start_bd->general_data,
2487 		 ETH_TX_START_BD_PARSE_NBDS,
2488 		 0);
2489 
2490 	/* turn on parsing and get a BD */
2491 	bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
2492 
2493 	if (CHIP_IS_E1x(bp)) {
2494 		u16 global_data = 0;
2495 		struct eth_tx_parse_bd_e1x  *pbd_e1x =
2496 			&txdata->tx_desc_ring[bd_prod].parse_bd_e1x;
2497 		memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
2498 		SET_FLAG(global_data,
2499 			 ETH_TX_PARSE_BD_E1X_ETH_ADDR_TYPE, UNICAST_ADDRESS);
2500 		pbd_e1x->global_data = cpu_to_le16(global_data);
2501 	} else {
2502 		u32 parsing_data = 0;
2503 		struct eth_tx_parse_bd_e2  *pbd_e2 =
2504 			&txdata->tx_desc_ring[bd_prod].parse_bd_e2;
2505 		memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
2506 		SET_FLAG(parsing_data,
2507 			 ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE, UNICAST_ADDRESS);
2508 		pbd_e2->parsing_data = cpu_to_le32(parsing_data);
2509 	}
2510 	wmb();
2511 
2512 	txdata->tx_db.data.prod += 2;
2513 	barrier();
2514 	DOORBELL(bp, txdata->cid, txdata->tx_db.raw);
2515 
2516 	mmiowb();
2517 	barrier();
2518 
2519 	num_pkts++;
2520 	txdata->tx_bd_prod += 2; /* start + pbd */
2521 
2522 	udelay(100);
2523 
2524 	tx_idx = le16_to_cpu(*txdata->tx_cons_sb);
2525 	if (tx_idx != tx_start_idx + num_pkts)
2526 		goto test_loopback_exit;
2527 
2528 	/* Unlike HC IGU won't generate an interrupt for status block
2529 	 * updates that have been performed while interrupts were
2530 	 * disabled.
2531 	 */
2532 	if (bp->common.int_block == INT_BLOCK_IGU) {
2533 		/* Disable local BHes to prevent a dead-lock situation between
2534 		 * sch_direct_xmit() and bnx2x_run_loopback() (calling
2535 		 * bnx2x_tx_int()), as both are taking netif_tx_lock().
2536 		 */
2537 		local_bh_disable();
2538 		bnx2x_tx_int(bp, txdata);
2539 		local_bh_enable();
2540 	}
2541 
2542 	rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
2543 	if (rx_idx != rx_start_idx + num_pkts)
2544 		goto test_loopback_exit;
2545 
2546 	cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)];
2547 	cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
2548 	cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE;
2549 	if (!CQE_TYPE_FAST(cqe_fp_type) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
2550 		goto test_loopback_rx_exit;
2551 
2552 	len = le16_to_cpu(cqe->fast_path_cqe.pkt_len_or_gro_seg_len);
2553 	if (len != pkt_size)
2554 		goto test_loopback_rx_exit;
2555 
2556 	rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)];
2557 	dma_sync_single_for_cpu(&bp->pdev->dev,
2558 				   dma_unmap_addr(rx_buf, mapping),
2559 				   fp_rx->rx_buf_size, DMA_FROM_DEVICE);
2560 	data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset;
2561 	for (i = ETH_HLEN; i < pkt_size; i++)
2562 		if (*(data + i) != (unsigned char) (i & 0xff))
2563 			goto test_loopback_rx_exit;
2564 
2565 	rc = 0;
2566 
2567 test_loopback_rx_exit:
2568 
2569 	fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons);
2570 	fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod);
2571 	fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons);
2572 	fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod);
2573 
2574 	/* Update producers */
2575 	bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod,
2576 			     fp_rx->rx_sge_prod);
2577 
2578 test_loopback_exit:
2579 	bp->link_params.loopback_mode = LOOPBACK_NONE;
2580 
2581 	return rc;
2582 }
2583 
2584 static int bnx2x_test_loopback(struct bnx2x *bp)
2585 {
2586 	int rc = 0, res;
2587 
2588 	if (BP_NOMCP(bp))
2589 		return rc;
2590 
2591 	if (!netif_running(bp->dev))
2592 		return BNX2X_LOOPBACK_FAILED;
2593 
2594 	bnx2x_netif_stop(bp, 1);
2595 	bnx2x_acquire_phy_lock(bp);
2596 
2597 	res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK);
2598 	if (res) {
2599 		DP(BNX2X_MSG_ETHTOOL, "  PHY loopback failed  (res %d)\n", res);
2600 		rc |= BNX2X_PHY_LOOPBACK_FAILED;
2601 	}
2602 
2603 	res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK);
2604 	if (res) {
2605 		DP(BNX2X_MSG_ETHTOOL, "  MAC loopback failed  (res %d)\n", res);
2606 		rc |= BNX2X_MAC_LOOPBACK_FAILED;
2607 	}
2608 
2609 	bnx2x_release_phy_lock(bp);
2610 	bnx2x_netif_start(bp);
2611 
2612 	return rc;
2613 }
2614 
2615 static int bnx2x_test_ext_loopback(struct bnx2x *bp)
2616 {
2617 	int rc;
2618 	u8 is_serdes =
2619 		(bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
2620 
2621 	if (BP_NOMCP(bp))
2622 		return -ENODEV;
2623 
2624 	if (!netif_running(bp->dev))
2625 		return BNX2X_EXT_LOOPBACK_FAILED;
2626 
2627 	bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
2628 	rc = bnx2x_nic_load(bp, LOAD_LOOPBACK_EXT);
2629 	if (rc) {
2630 		DP(BNX2X_MSG_ETHTOOL,
2631 		   "Can't perform self-test, nic_load (for external lb) failed\n");
2632 		return -ENODEV;
2633 	}
2634 	bnx2x_wait_for_link(bp, 1, is_serdes);
2635 
2636 	bnx2x_netif_stop(bp, 1);
2637 
2638 	rc = bnx2x_run_loopback(bp, BNX2X_EXT_LOOPBACK);
2639 	if (rc)
2640 		DP(BNX2X_MSG_ETHTOOL, "EXT loopback failed  (res %d)\n", rc);
2641 
2642 	bnx2x_netif_start(bp);
2643 
2644 	return rc;
2645 }
2646 
2647 struct code_entry {
2648 	u32 sram_start_addr;
2649 	u32 code_attribute;
2650 #define CODE_IMAGE_TYPE_MASK			0xf0800003
2651 #define CODE_IMAGE_VNTAG_PROFILES_DATA		0xd0000003
2652 #define CODE_IMAGE_LENGTH_MASK			0x007ffffc
2653 #define CODE_IMAGE_TYPE_EXTENDED_DIR		0xe0000000
2654 	u32 nvm_start_addr;
2655 };
2656 
2657 #define CODE_ENTRY_MAX			16
2658 #define CODE_ENTRY_EXTENDED_DIR_IDX	15
2659 #define MAX_IMAGES_IN_EXTENDED_DIR	64
2660 #define NVRAM_DIR_OFFSET		0x14
2661 
2662 #define EXTENDED_DIR_EXISTS(code)					  \
2663 	((code & CODE_IMAGE_TYPE_MASK) == CODE_IMAGE_TYPE_EXTENDED_DIR && \
2664 	 (code & CODE_IMAGE_LENGTH_MASK) != 0)
2665 
2666 #define CRC32_RESIDUAL			0xdebb20e3
2667 #define CRC_BUFF_SIZE			256
2668 
2669 static int bnx2x_nvram_crc(struct bnx2x *bp,
2670 			   int offset,
2671 			   int size,
2672 			   u8 *buff)
2673 {
2674 	u32 crc = ~0;
2675 	int rc = 0, done = 0;
2676 
2677 	DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2678 	   "NVRAM CRC from 0x%08x to 0x%08x\n", offset, offset + size);
2679 
2680 	while (done < size) {
2681 		int count = min_t(int, size - done, CRC_BUFF_SIZE);
2682 
2683 		rc = bnx2x_nvram_read(bp, offset + done, buff, count);
2684 
2685 		if (rc)
2686 			return rc;
2687 
2688 		crc = crc32_le(crc, buff, count);
2689 		done += count;
2690 	}
2691 
2692 	if (crc != CRC32_RESIDUAL)
2693 		rc = -EINVAL;
2694 
2695 	return rc;
2696 }
2697 
2698 static int bnx2x_test_nvram_dir(struct bnx2x *bp,
2699 				struct code_entry *entry,
2700 				u8 *buff)
2701 {
2702 	size_t size = entry->code_attribute & CODE_IMAGE_LENGTH_MASK;
2703 	u32 type = entry->code_attribute & CODE_IMAGE_TYPE_MASK;
2704 	int rc;
2705 
2706 	/* Zero-length images and AFEX profiles do not have CRC */
2707 	if (size == 0 || type == CODE_IMAGE_VNTAG_PROFILES_DATA)
2708 		return 0;
2709 
2710 	rc = bnx2x_nvram_crc(bp, entry->nvm_start_addr, size, buff);
2711 	if (rc)
2712 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2713 		   "image %x has failed crc test (rc %d)\n", type, rc);
2714 
2715 	return rc;
2716 }
2717 
2718 static int bnx2x_test_dir_entry(struct bnx2x *bp, u32 addr, u8 *buff)
2719 {
2720 	int rc;
2721 	struct code_entry entry;
2722 
2723 	rc = bnx2x_nvram_read32(bp, addr, (u32 *)&entry, sizeof(entry));
2724 	if (rc)
2725 		return rc;
2726 
2727 	return bnx2x_test_nvram_dir(bp, &entry, buff);
2728 }
2729 
2730 static int bnx2x_test_nvram_ext_dirs(struct bnx2x *bp, u8 *buff)
2731 {
2732 	u32 rc, cnt, dir_offset = NVRAM_DIR_OFFSET;
2733 	struct code_entry entry;
2734 	int i;
2735 
2736 	rc = bnx2x_nvram_read32(bp,
2737 				dir_offset +
2738 				sizeof(entry) * CODE_ENTRY_EXTENDED_DIR_IDX,
2739 				(u32 *)&entry, sizeof(entry));
2740 	if (rc)
2741 		return rc;
2742 
2743 	if (!EXTENDED_DIR_EXISTS(entry.code_attribute))
2744 		return 0;
2745 
2746 	rc = bnx2x_nvram_read32(bp, entry.nvm_start_addr,
2747 				&cnt, sizeof(u32));
2748 	if (rc)
2749 		return rc;
2750 
2751 	dir_offset = entry.nvm_start_addr + 8;
2752 
2753 	for (i = 0; i < cnt && i < MAX_IMAGES_IN_EXTENDED_DIR; i++) {
2754 		rc = bnx2x_test_dir_entry(bp, dir_offset +
2755 					      sizeof(struct code_entry) * i,
2756 					  buff);
2757 		if (rc)
2758 			return rc;
2759 	}
2760 
2761 	return 0;
2762 }
2763 
2764 static int bnx2x_test_nvram_dirs(struct bnx2x *bp, u8 *buff)
2765 {
2766 	u32 rc, dir_offset = NVRAM_DIR_OFFSET;
2767 	int i;
2768 
2769 	DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "NVRAM DIRS CRC test-set\n");
2770 
2771 	for (i = 0; i < CODE_ENTRY_EXTENDED_DIR_IDX; i++) {
2772 		rc = bnx2x_test_dir_entry(bp, dir_offset +
2773 					      sizeof(struct code_entry) * i,
2774 					  buff);
2775 		if (rc)
2776 			return rc;
2777 	}
2778 
2779 	return bnx2x_test_nvram_ext_dirs(bp, buff);
2780 }
2781 
2782 struct crc_pair {
2783 	int offset;
2784 	int size;
2785 };
2786 
2787 static int bnx2x_test_nvram_tbl(struct bnx2x *bp,
2788 				const struct crc_pair *nvram_tbl, u8 *buf)
2789 {
2790 	int i;
2791 
2792 	for (i = 0; nvram_tbl[i].size; i++) {
2793 		int rc = bnx2x_nvram_crc(bp, nvram_tbl[i].offset,
2794 					 nvram_tbl[i].size, buf);
2795 		if (rc) {
2796 			DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2797 			   "nvram_tbl[%d] has failed crc test (rc %d)\n",
2798 			   i, rc);
2799 			return rc;
2800 		}
2801 	}
2802 
2803 	return 0;
2804 }
2805 
2806 static int bnx2x_test_nvram(struct bnx2x *bp)
2807 {
2808 	const struct crc_pair nvram_tbl[] = {
2809 		{     0,  0x14 }, /* bootstrap */
2810 		{  0x14,  0xec }, /* dir */
2811 		{ 0x100, 0x350 }, /* manuf_info */
2812 		{ 0x450,  0xf0 }, /* feature_info */
2813 		{ 0x640,  0x64 }, /* upgrade_key_info */
2814 		{ 0x708,  0x70 }, /* manuf_key_info */
2815 		{     0,     0 }
2816 	};
2817 	const struct crc_pair nvram_tbl2[] = {
2818 		{ 0x7e8, 0x350 }, /* manuf_info2 */
2819 		{ 0xb38,  0xf0 }, /* feature_info */
2820 		{     0,     0 }
2821 	};
2822 
2823 	u8 *buf;
2824 	int rc;
2825 	u32 magic;
2826 
2827 	if (BP_NOMCP(bp))
2828 		return 0;
2829 
2830 	buf = kmalloc(CRC_BUFF_SIZE, GFP_KERNEL);
2831 	if (!buf) {
2832 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "kmalloc failed\n");
2833 		rc = -ENOMEM;
2834 		goto test_nvram_exit;
2835 	}
2836 
2837 	rc = bnx2x_nvram_read32(bp, 0, &magic, sizeof(magic));
2838 	if (rc) {
2839 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2840 		   "magic value read (rc %d)\n", rc);
2841 		goto test_nvram_exit;
2842 	}
2843 
2844 	if (magic != 0x669955aa) {
2845 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2846 		   "wrong magic value (0x%08x)\n", magic);
2847 		rc = -ENODEV;
2848 		goto test_nvram_exit;
2849 	}
2850 
2851 	DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "Port 0 CRC test-set\n");
2852 	rc = bnx2x_test_nvram_tbl(bp, nvram_tbl, buf);
2853 	if (rc)
2854 		goto test_nvram_exit;
2855 
2856 	if (!CHIP_IS_E1x(bp) && !CHIP_IS_57811xx(bp)) {
2857 		u32 hide = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
2858 			   SHARED_HW_CFG_HIDE_PORT1;
2859 
2860 		if (!hide) {
2861 			DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2862 			   "Port 1 CRC test-set\n");
2863 			rc = bnx2x_test_nvram_tbl(bp, nvram_tbl2, buf);
2864 			if (rc)
2865 				goto test_nvram_exit;
2866 		}
2867 	}
2868 
2869 	rc = bnx2x_test_nvram_dirs(bp, buf);
2870 
2871 test_nvram_exit:
2872 	kfree(buf);
2873 	return rc;
2874 }
2875 
2876 /* Send an EMPTY ramrod on the first queue */
2877 static int bnx2x_test_intr(struct bnx2x *bp)
2878 {
2879 	struct bnx2x_queue_state_params params = {NULL};
2880 
2881 	if (!netif_running(bp->dev)) {
2882 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2883 		   "cannot access eeprom when the interface is down\n");
2884 		return -ENODEV;
2885 	}
2886 
2887 	params.q_obj = &bp->sp_objs->q_obj;
2888 	params.cmd = BNX2X_Q_CMD_EMPTY;
2889 
2890 	__set_bit(RAMROD_COMP_WAIT, &params.ramrod_flags);
2891 
2892 	return bnx2x_queue_state_change(bp, &params);
2893 }
2894 
2895 static void bnx2x_self_test(struct net_device *dev,
2896 			    struct ethtool_test *etest, u64 *buf)
2897 {
2898 	struct bnx2x *bp = netdev_priv(dev);
2899 	u8 is_serdes, link_up;
2900 	int rc, cnt = 0;
2901 
2902 	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
2903 		netdev_err(bp->dev,
2904 			   "Handling parity error recovery. Try again later\n");
2905 		etest->flags |= ETH_TEST_FL_FAILED;
2906 		return;
2907 	}
2908 
2909 	DP(BNX2X_MSG_ETHTOOL,
2910 	   "Self-test command parameters: offline = %d, external_lb = %d\n",
2911 	   (etest->flags & ETH_TEST_FL_OFFLINE),
2912 	   (etest->flags & ETH_TEST_FL_EXTERNAL_LB)>>2);
2913 
2914 	memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS(bp));
2915 
2916 	if (bnx2x_test_nvram(bp) != 0) {
2917 		if (!IS_MF(bp))
2918 			buf[4] = 1;
2919 		else
2920 			buf[0] = 1;
2921 		etest->flags |= ETH_TEST_FL_FAILED;
2922 	}
2923 
2924 	if (!netif_running(dev)) {
2925 		DP(BNX2X_MSG_ETHTOOL, "Interface is down\n");
2926 		return;
2927 	}
2928 
2929 	is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
2930 	link_up = bp->link_vars.link_up;
2931 	/* offline tests are not supported in MF mode */
2932 	if ((etest->flags & ETH_TEST_FL_OFFLINE) && !IS_MF(bp)) {
2933 		int port = BP_PORT(bp);
2934 		u32 val;
2935 
2936 		/* save current value of input enable for TX port IF */
2937 		val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
2938 		/* disable input for TX port IF */
2939 		REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
2940 
2941 		bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
2942 		rc = bnx2x_nic_load(bp, LOAD_DIAG);
2943 		if (rc) {
2944 			etest->flags |= ETH_TEST_FL_FAILED;
2945 			DP(BNX2X_MSG_ETHTOOL,
2946 			   "Can't perform self-test, nic_load (for offline) failed\n");
2947 			return;
2948 		}
2949 
2950 		/* wait until link state is restored */
2951 		bnx2x_wait_for_link(bp, 1, is_serdes);
2952 
2953 		if (bnx2x_test_registers(bp) != 0) {
2954 			buf[0] = 1;
2955 			etest->flags |= ETH_TEST_FL_FAILED;
2956 		}
2957 		if (bnx2x_test_memory(bp) != 0) {
2958 			buf[1] = 1;
2959 			etest->flags |= ETH_TEST_FL_FAILED;
2960 		}
2961 
2962 		buf[2] = bnx2x_test_loopback(bp); /* internal LB */
2963 		if (buf[2] != 0)
2964 			etest->flags |= ETH_TEST_FL_FAILED;
2965 
2966 		if (etest->flags & ETH_TEST_FL_EXTERNAL_LB) {
2967 			buf[3] = bnx2x_test_ext_loopback(bp); /* external LB */
2968 			if (buf[3] != 0)
2969 				etest->flags |= ETH_TEST_FL_FAILED;
2970 			etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
2971 		}
2972 
2973 		bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
2974 
2975 		/* restore input for TX port IF */
2976 		REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);
2977 		rc = bnx2x_nic_load(bp, LOAD_NORMAL);
2978 		if (rc) {
2979 			etest->flags |= ETH_TEST_FL_FAILED;
2980 			DP(BNX2X_MSG_ETHTOOL,
2981 			   "Can't perform self-test, nic_load (for online) failed\n");
2982 			return;
2983 		}
2984 		/* wait until link state is restored */
2985 		bnx2x_wait_for_link(bp, link_up, is_serdes);
2986 	}
2987 
2988 	if (bnx2x_test_intr(bp) != 0) {
2989 		if (!IS_MF(bp))
2990 			buf[5] = 1;
2991 		else
2992 			buf[1] = 1;
2993 		etest->flags |= ETH_TEST_FL_FAILED;
2994 	}
2995 
2996 	if (link_up) {
2997 		cnt = 100;
2998 		while (bnx2x_link_test(bp, is_serdes) && --cnt)
2999 			msleep(20);
3000 	}
3001 
3002 	if (!cnt) {
3003 		if (!IS_MF(bp))
3004 			buf[6] = 1;
3005 		else
3006 			buf[2] = 1;
3007 		etest->flags |= ETH_TEST_FL_FAILED;
3008 	}
3009 }
3010 
3011 #define IS_PORT_STAT(i) \
3012 	((bnx2x_stats_arr[i].flags & STATS_FLAGS_BOTH) == STATS_FLAGS_PORT)
3013 #define IS_FUNC_STAT(i)		(bnx2x_stats_arr[i].flags & STATS_FLAGS_FUNC)
3014 #define HIDE_PORT_STAT(bp) \
3015 		((IS_MF(bp) && !(bp->msg_enable & BNX2X_MSG_STATS)) || \
3016 		 IS_VF(bp))
3017 
3018 /* ethtool statistics are displayed for all regular ethernet queues and the
3019  * fcoe L2 queue if not disabled
3020  */
3021 static int bnx2x_num_stat_queues(struct bnx2x *bp)
3022 {
3023 	return BNX2X_NUM_ETH_QUEUES(bp);
3024 }
3025 
3026 static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
3027 {
3028 	struct bnx2x *bp = netdev_priv(dev);
3029 	int i, num_strings = 0;
3030 
3031 	switch (stringset) {
3032 	case ETH_SS_STATS:
3033 		if (is_multi(bp)) {
3034 			num_strings = bnx2x_num_stat_queues(bp) *
3035 				      BNX2X_NUM_Q_STATS;
3036 		} else
3037 			num_strings = 0;
3038 		if (HIDE_PORT_STAT(bp)) {
3039 			for (i = 0; i < BNX2X_NUM_STATS; i++)
3040 				if (IS_FUNC_STAT(i))
3041 					num_strings++;
3042 		} else
3043 			num_strings += BNX2X_NUM_STATS;
3044 
3045 		return num_strings;
3046 
3047 	case ETH_SS_TEST:
3048 		return BNX2X_NUM_TESTS(bp);
3049 
3050 	case ETH_SS_PRIV_FLAGS:
3051 		return BNX2X_PRI_FLAG_LEN;
3052 
3053 	default:
3054 		return -EINVAL;
3055 	}
3056 }
3057 
3058 static u32 bnx2x_get_private_flags(struct net_device *dev)
3059 {
3060 	struct bnx2x *bp = netdev_priv(dev);
3061 	u32 flags = 0;
3062 
3063 	flags |= (!(bp->flags & NO_ISCSI_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_ISCSI;
3064 	flags |= (!(bp->flags & NO_FCOE_FLAG)  ? 1 : 0) << BNX2X_PRI_FLAG_FCOE;
3065 	flags |= (!!IS_MF_STORAGE_ONLY(bp)) << BNX2X_PRI_FLAG_STORAGE;
3066 
3067 	return flags;
3068 }
3069 
3070 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
3071 {
3072 	struct bnx2x *bp = netdev_priv(dev);
3073 	int i, j, k, start;
3074 	char queue_name[MAX_QUEUE_NAME_LEN+1];
3075 
3076 	switch (stringset) {
3077 	case ETH_SS_STATS:
3078 		k = 0;
3079 		if (is_multi(bp)) {
3080 			for_each_eth_queue(bp, i) {
3081 				memset(queue_name, 0, sizeof(queue_name));
3082 				sprintf(queue_name, "%d", i);
3083 				for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
3084 					snprintf(buf + (k + j)*ETH_GSTRING_LEN,
3085 						ETH_GSTRING_LEN,
3086 						bnx2x_q_stats_arr[j].string,
3087 						queue_name);
3088 				k += BNX2X_NUM_Q_STATS;
3089 			}
3090 		}
3091 
3092 		for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
3093 			if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i))
3094 				continue;
3095 			strcpy(buf + (k + j)*ETH_GSTRING_LEN,
3096 				   bnx2x_stats_arr[i].string);
3097 			j++;
3098 		}
3099 
3100 		break;
3101 
3102 	case ETH_SS_TEST:
3103 		/* First 4 tests cannot be done in MF mode */
3104 		if (!IS_MF(bp))
3105 			start = 0;
3106 		else
3107 			start = 4;
3108 		memcpy(buf, bnx2x_tests_str_arr + start,
3109 		       ETH_GSTRING_LEN * BNX2X_NUM_TESTS(bp));
3110 		break;
3111 
3112 	case ETH_SS_PRIV_FLAGS:
3113 		memcpy(buf, bnx2x_private_arr,
3114 		       ETH_GSTRING_LEN * BNX2X_PRI_FLAG_LEN);
3115 		break;
3116 	}
3117 }
3118 
3119 static void bnx2x_get_ethtool_stats(struct net_device *dev,
3120 				    struct ethtool_stats *stats, u64 *buf)
3121 {
3122 	struct bnx2x *bp = netdev_priv(dev);
3123 	u32 *hw_stats, *offset;
3124 	int i, j, k = 0;
3125 
3126 	if (is_multi(bp)) {
3127 		for_each_eth_queue(bp, i) {
3128 			hw_stats = (u32 *)&bp->fp_stats[i].eth_q_stats;
3129 			for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
3130 				if (bnx2x_q_stats_arr[j].size == 0) {
3131 					/* skip this counter */
3132 					buf[k + j] = 0;
3133 					continue;
3134 				}
3135 				offset = (hw_stats +
3136 					  bnx2x_q_stats_arr[j].offset);
3137 				if (bnx2x_q_stats_arr[j].size == 4) {
3138 					/* 4-byte counter */
3139 					buf[k + j] = (u64) *offset;
3140 					continue;
3141 				}
3142 				/* 8-byte counter */
3143 				buf[k + j] = HILO_U64(*offset, *(offset + 1));
3144 			}
3145 			k += BNX2X_NUM_Q_STATS;
3146 		}
3147 	}
3148 
3149 	hw_stats = (u32 *)&bp->eth_stats;
3150 	for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
3151 		if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i))
3152 			continue;
3153 		if (bnx2x_stats_arr[i].size == 0) {
3154 			/* skip this counter */
3155 			buf[k + j] = 0;
3156 			j++;
3157 			continue;
3158 		}
3159 		offset = (hw_stats + bnx2x_stats_arr[i].offset);
3160 		if (bnx2x_stats_arr[i].size == 4) {
3161 			/* 4-byte counter */
3162 			buf[k + j] = (u64) *offset;
3163 			j++;
3164 			continue;
3165 		}
3166 		/* 8-byte counter */
3167 		buf[k + j] = HILO_U64(*offset, *(offset + 1));
3168 		j++;
3169 	}
3170 }
3171 
3172 static int bnx2x_set_phys_id(struct net_device *dev,
3173 			     enum ethtool_phys_id_state state)
3174 {
3175 	struct bnx2x *bp = netdev_priv(dev);
3176 
3177 	if (!bnx2x_is_nvm_accessible(bp)) {
3178 		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
3179 		   "cannot access eeprom when the interface is down\n");
3180 		return -EAGAIN;
3181 	}
3182 
3183 	switch (state) {
3184 	case ETHTOOL_ID_ACTIVE:
3185 		return 1;	/* cycle on/off once per second */
3186 
3187 	case ETHTOOL_ID_ON:
3188 		bnx2x_acquire_phy_lock(bp);
3189 		bnx2x_set_led(&bp->link_params, &bp->link_vars,
3190 			      LED_MODE_ON, SPEED_1000);
3191 		bnx2x_release_phy_lock(bp);
3192 		break;
3193 
3194 	case ETHTOOL_ID_OFF:
3195 		bnx2x_acquire_phy_lock(bp);
3196 		bnx2x_set_led(&bp->link_params, &bp->link_vars,
3197 			      LED_MODE_FRONT_PANEL_OFF, 0);
3198 		bnx2x_release_phy_lock(bp);
3199 		break;
3200 
3201 	case ETHTOOL_ID_INACTIVE:
3202 		bnx2x_acquire_phy_lock(bp);
3203 		bnx2x_set_led(&bp->link_params, &bp->link_vars,
3204 			      LED_MODE_OPER,
3205 			      bp->link_vars.line_speed);
3206 		bnx2x_release_phy_lock(bp);
3207 	}
3208 
3209 	return 0;
3210 }
3211 
3212 static int bnx2x_get_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info)
3213 {
3214 	switch (info->flow_type) {
3215 	case TCP_V4_FLOW:
3216 	case TCP_V6_FLOW:
3217 		info->data = RXH_IP_SRC | RXH_IP_DST |
3218 			     RXH_L4_B_0_1 | RXH_L4_B_2_3;
3219 		break;
3220 	case UDP_V4_FLOW:
3221 		if (bp->rss_conf_obj.udp_rss_v4)
3222 			info->data = RXH_IP_SRC | RXH_IP_DST |
3223 				     RXH_L4_B_0_1 | RXH_L4_B_2_3;
3224 		else
3225 			info->data = RXH_IP_SRC | RXH_IP_DST;
3226 		break;
3227 	case UDP_V6_FLOW:
3228 		if (bp->rss_conf_obj.udp_rss_v6)
3229 			info->data = RXH_IP_SRC | RXH_IP_DST |
3230 				     RXH_L4_B_0_1 | RXH_L4_B_2_3;
3231 		else
3232 			info->data = RXH_IP_SRC | RXH_IP_DST;
3233 		break;
3234 	case IPV4_FLOW:
3235 	case IPV6_FLOW:
3236 		info->data = RXH_IP_SRC | RXH_IP_DST;
3237 		break;
3238 	default:
3239 		info->data = 0;
3240 		break;
3241 	}
3242 
3243 	return 0;
3244 }
3245 
3246 static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
3247 			   u32 *rules __always_unused)
3248 {
3249 	struct bnx2x *bp = netdev_priv(dev);
3250 
3251 	switch (info->cmd) {
3252 	case ETHTOOL_GRXRINGS:
3253 		info->data = BNX2X_NUM_ETH_QUEUES(bp);
3254 		return 0;
3255 	case ETHTOOL_GRXFH:
3256 		return bnx2x_get_rss_flags(bp, info);
3257 	default:
3258 		DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
3259 		return -EOPNOTSUPP;
3260 	}
3261 }
3262 
3263 static int bnx2x_set_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info)
3264 {
3265 	int udp_rss_requested;
3266 
3267 	DP(BNX2X_MSG_ETHTOOL,
3268 	   "Set rss flags command parameters: flow type = %d, data = %llu\n",
3269 	   info->flow_type, info->data);
3270 
3271 	switch (info->flow_type) {
3272 	case TCP_V4_FLOW:
3273 	case TCP_V6_FLOW:
3274 		/* For TCP only 4-tupple hash is supported */
3275 		if (info->data ^ (RXH_IP_SRC | RXH_IP_DST |
3276 				  RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
3277 			DP(BNX2X_MSG_ETHTOOL,
3278 			   "Command parameters not supported\n");
3279 			return -EINVAL;
3280 		}
3281 		return 0;
3282 
3283 	case UDP_V4_FLOW:
3284 	case UDP_V6_FLOW:
3285 		/* For UDP either 2-tupple hash or 4-tupple hash is supported */
3286 		if (info->data == (RXH_IP_SRC | RXH_IP_DST |
3287 				   RXH_L4_B_0_1 | RXH_L4_B_2_3))
3288 			udp_rss_requested = 1;
3289 		else if (info->data == (RXH_IP_SRC | RXH_IP_DST))
3290 			udp_rss_requested = 0;
3291 		else
3292 			return -EINVAL;
3293 		if ((info->flow_type == UDP_V4_FLOW) &&
3294 		    (bp->rss_conf_obj.udp_rss_v4 != udp_rss_requested)) {
3295 			bp->rss_conf_obj.udp_rss_v4 = udp_rss_requested;
3296 			DP(BNX2X_MSG_ETHTOOL,
3297 			   "rss re-configured, UDP 4-tupple %s\n",
3298 			   udp_rss_requested ? "enabled" : "disabled");
3299 			return bnx2x_rss(bp, &bp->rss_conf_obj, false, true);
3300 		} else if ((info->flow_type == UDP_V6_FLOW) &&
3301 			   (bp->rss_conf_obj.udp_rss_v6 != udp_rss_requested)) {
3302 			bp->rss_conf_obj.udp_rss_v6 = udp_rss_requested;
3303 			DP(BNX2X_MSG_ETHTOOL,
3304 			   "rss re-configured, UDP 4-tupple %s\n",
3305 			   udp_rss_requested ? "enabled" : "disabled");
3306 			return bnx2x_rss(bp, &bp->rss_conf_obj, false, true);
3307 		}
3308 		return 0;
3309 
3310 	case IPV4_FLOW:
3311 	case IPV6_FLOW:
3312 		/* For IP only 2-tupple hash is supported */
3313 		if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) {
3314 			DP(BNX2X_MSG_ETHTOOL,
3315 			   "Command parameters not supported\n");
3316 			return -EINVAL;
3317 		}
3318 		return 0;
3319 
3320 	case SCTP_V4_FLOW:
3321 	case AH_ESP_V4_FLOW:
3322 	case AH_V4_FLOW:
3323 	case ESP_V4_FLOW:
3324 	case SCTP_V6_FLOW:
3325 	case AH_ESP_V6_FLOW:
3326 	case AH_V6_FLOW:
3327 	case ESP_V6_FLOW:
3328 	case IP_USER_FLOW:
3329 	case ETHER_FLOW:
3330 		/* RSS is not supported for these protocols */
3331 		if (info->data) {
3332 			DP(BNX2X_MSG_ETHTOOL,
3333 			   "Command parameters not supported\n");
3334 			return -EINVAL;
3335 		}
3336 		return 0;
3337 
3338 	default:
3339 		return -EINVAL;
3340 	}
3341 }
3342 
3343 static int bnx2x_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info)
3344 {
3345 	struct bnx2x *bp = netdev_priv(dev);
3346 
3347 	switch (info->cmd) {
3348 	case ETHTOOL_SRXFH:
3349 		return bnx2x_set_rss_flags(bp, info);
3350 	default:
3351 		DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
3352 		return -EOPNOTSUPP;
3353 	}
3354 }
3355 
3356 static u32 bnx2x_get_rxfh_indir_size(struct net_device *dev)
3357 {
3358 	return T_ETH_INDIRECTION_TABLE_SIZE;
3359 }
3360 
3361 static int bnx2x_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
3362 			  u8 *hfunc)
3363 {
3364 	struct bnx2x *bp = netdev_priv(dev);
3365 	u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};
3366 	size_t i;
3367 
3368 	if (hfunc)
3369 		*hfunc = ETH_RSS_HASH_TOP;
3370 	if (!indir)
3371 		return 0;
3372 
3373 	/* Get the current configuration of the RSS indirection table */
3374 	bnx2x_get_rss_ind_table(&bp->rss_conf_obj, ind_table);
3375 
3376 	/*
3377 	 * We can't use a memcpy() as an internal storage of an
3378 	 * indirection table is a u8 array while indir->ring_index
3379 	 * points to an array of u32.
3380 	 *
3381 	 * Indirection table contains the FW Client IDs, so we need to
3382 	 * align the returned table to the Client ID of the leading RSS
3383 	 * queue.
3384 	 */
3385 	for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++)
3386 		indir[i] = ind_table[i] - bp->fp->cl_id;
3387 
3388 	return 0;
3389 }
3390 
3391 static int bnx2x_set_rxfh(struct net_device *dev, const u32 *indir,
3392 			  const u8 *key, const u8 hfunc)
3393 {
3394 	struct bnx2x *bp = netdev_priv(dev);
3395 	size_t i;
3396 
3397 	/* We require at least one supported parameter to be changed and no
3398 	 * change in any of the unsupported parameters
3399 	 */
3400 	if (key ||
3401 	    (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
3402 		return -EOPNOTSUPP;
3403 
3404 	if (!indir)
3405 		return 0;
3406 
3407 	for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) {
3408 		/*
3409 		 * The same as in bnx2x_get_rxfh: we can't use a memcpy()
3410 		 * as an internal storage of an indirection table is a u8 array
3411 		 * while indir->ring_index points to an array of u32.
3412 		 *
3413 		 * Indirection table contains the FW Client IDs, so we need to
3414 		 * align the received table to the Client ID of the leading RSS
3415 		 * queue
3416 		 */
3417 		bp->rss_conf_obj.ind_table[i] = indir[i] + bp->fp->cl_id;
3418 	}
3419 
3420 	return bnx2x_config_rss_eth(bp, false);
3421 }
3422 
3423 /**
3424  * bnx2x_get_channels - gets the number of RSS queues.
3425  *
3426  * @dev:		net device
3427  * @channels:		returns the number of max / current queues
3428  */
3429 static void bnx2x_get_channels(struct net_device *dev,
3430 			       struct ethtool_channels *channels)
3431 {
3432 	struct bnx2x *bp = netdev_priv(dev);
3433 
3434 	channels->max_combined = BNX2X_MAX_RSS_COUNT(bp);
3435 	channels->combined_count = BNX2X_NUM_ETH_QUEUES(bp);
3436 }
3437 
3438 /**
3439  * bnx2x_change_num_queues - change the number of RSS queues.
3440  *
3441  * @bp:			bnx2x private structure
3442  *
3443  * Re-configure interrupt mode to get the new number of MSI-X
3444  * vectors and re-add NAPI objects.
3445  */
3446 static void bnx2x_change_num_queues(struct bnx2x *bp, int num_rss)
3447 {
3448 	bnx2x_disable_msi(bp);
3449 	bp->num_ethernet_queues = num_rss;
3450 	bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
3451 	BNX2X_DEV_INFO("set number of queues to %d\n", bp->num_queues);
3452 	bnx2x_set_int_mode(bp);
3453 }
3454 
3455 /**
3456  * bnx2x_set_channels - sets the number of RSS queues.
3457  *
3458  * @dev:		net device
3459  * @channels:		includes the number of queues requested
3460  */
3461 static int bnx2x_set_channels(struct net_device *dev,
3462 			      struct ethtool_channels *channels)
3463 {
3464 	struct bnx2x *bp = netdev_priv(dev);
3465 
3466 	DP(BNX2X_MSG_ETHTOOL,
3467 	   "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n",
3468 	   channels->rx_count, channels->tx_count, channels->other_count,
3469 	   channels->combined_count);
3470 
3471 	/* We don't support separate rx / tx channels.
3472 	 * We don't allow setting 'other' channels.
3473 	 */
3474 	if (channels->rx_count || channels->tx_count || channels->other_count
3475 	    || (channels->combined_count == 0) ||
3476 	    (channels->combined_count > BNX2X_MAX_RSS_COUNT(bp))) {
3477 		DP(BNX2X_MSG_ETHTOOL, "command parameters not supported\n");
3478 		return -EINVAL;
3479 	}
3480 
3481 	/* Check if there was a change in the active parameters */
3482 	if (channels->combined_count == BNX2X_NUM_ETH_QUEUES(bp)) {
3483 		DP(BNX2X_MSG_ETHTOOL, "No change in active parameters\n");
3484 		return 0;
3485 	}
3486 
3487 	/* Set the requested number of queues in bp context.
3488 	 * Note that the actual number of queues created during load may be
3489 	 * less than requested if memory is low.
3490 	 */
3491 	if (unlikely(!netif_running(dev))) {
3492 		bnx2x_change_num_queues(bp, channels->combined_count);
3493 		return 0;
3494 	}
3495 	bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
3496 	bnx2x_change_num_queues(bp, channels->combined_count);
3497 	return bnx2x_nic_load(bp, LOAD_NORMAL);
3498 }
3499 
3500 static int bnx2x_get_ts_info(struct net_device *dev,
3501 			     struct ethtool_ts_info *info)
3502 {
3503 	struct bnx2x *bp = netdev_priv(dev);
3504 
3505 	if (bp->flags & PTP_SUPPORTED) {
3506 		info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3507 					SOF_TIMESTAMPING_RX_SOFTWARE |
3508 					SOF_TIMESTAMPING_SOFTWARE |
3509 					SOF_TIMESTAMPING_TX_HARDWARE |
3510 					SOF_TIMESTAMPING_RX_HARDWARE |
3511 					SOF_TIMESTAMPING_RAW_HARDWARE;
3512 
3513 		if (bp->ptp_clock)
3514 			info->phc_index = ptp_clock_index(bp->ptp_clock);
3515 		else
3516 			info->phc_index = -1;
3517 
3518 		info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
3519 				   (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
3520 				   (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
3521 				   (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
3522 				   (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
3523 				   (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
3524 				   (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
3525 				   (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
3526 				   (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
3527 				   (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
3528 				   (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) |
3529 				   (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
3530 				   (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ);
3531 
3532 		info->tx_types = (1 << HWTSTAMP_TX_OFF)|(1 << HWTSTAMP_TX_ON);
3533 
3534 		return 0;
3535 	}
3536 
3537 	return ethtool_op_get_ts_info(dev, info);
3538 }
3539 
3540 static const struct ethtool_ops bnx2x_ethtool_ops = {
3541 	.get_settings		= bnx2x_get_settings,
3542 	.set_settings		= bnx2x_set_settings,
3543 	.get_drvinfo		= bnx2x_get_drvinfo,
3544 	.get_regs_len		= bnx2x_get_regs_len,
3545 	.get_regs		= bnx2x_get_regs,
3546 	.get_dump_flag		= bnx2x_get_dump_flag,
3547 	.get_dump_data		= bnx2x_get_dump_data,
3548 	.set_dump		= bnx2x_set_dump,
3549 	.get_wol		= bnx2x_get_wol,
3550 	.set_wol		= bnx2x_set_wol,
3551 	.get_msglevel		= bnx2x_get_msglevel,
3552 	.set_msglevel		= bnx2x_set_msglevel,
3553 	.nway_reset		= bnx2x_nway_reset,
3554 	.get_link		= bnx2x_get_link,
3555 	.get_eeprom_len		= bnx2x_get_eeprom_len,
3556 	.get_eeprom		= bnx2x_get_eeprom,
3557 	.set_eeprom		= bnx2x_set_eeprom,
3558 	.get_coalesce		= bnx2x_get_coalesce,
3559 	.set_coalesce		= bnx2x_set_coalesce,
3560 	.get_ringparam		= bnx2x_get_ringparam,
3561 	.set_ringparam		= bnx2x_set_ringparam,
3562 	.get_pauseparam		= bnx2x_get_pauseparam,
3563 	.set_pauseparam		= bnx2x_set_pauseparam,
3564 	.self_test		= bnx2x_self_test,
3565 	.get_sset_count		= bnx2x_get_sset_count,
3566 	.get_priv_flags		= bnx2x_get_private_flags,
3567 	.get_strings		= bnx2x_get_strings,
3568 	.set_phys_id		= bnx2x_set_phys_id,
3569 	.get_ethtool_stats	= bnx2x_get_ethtool_stats,
3570 	.get_rxnfc		= bnx2x_get_rxnfc,
3571 	.set_rxnfc		= bnx2x_set_rxnfc,
3572 	.get_rxfh_indir_size	= bnx2x_get_rxfh_indir_size,
3573 	.get_rxfh		= bnx2x_get_rxfh,
3574 	.set_rxfh		= bnx2x_set_rxfh,
3575 	.get_channels		= bnx2x_get_channels,
3576 	.set_channels		= bnx2x_set_channels,
3577 	.get_module_info	= bnx2x_get_module_info,
3578 	.get_module_eeprom	= bnx2x_get_module_eeprom,
3579 	.get_eee		= bnx2x_get_eee,
3580 	.set_eee		= bnx2x_set_eee,
3581 	.get_ts_info		= bnx2x_get_ts_info,
3582 };
3583 
3584 static const struct ethtool_ops bnx2x_vf_ethtool_ops = {
3585 	.get_settings		= bnx2x_get_vf_settings,
3586 	.get_drvinfo		= bnx2x_get_drvinfo,
3587 	.get_msglevel		= bnx2x_get_msglevel,
3588 	.set_msglevel		= bnx2x_set_msglevel,
3589 	.get_link		= bnx2x_get_link,
3590 	.get_coalesce		= bnx2x_get_coalesce,
3591 	.get_ringparam		= bnx2x_get_ringparam,
3592 	.set_ringparam		= bnx2x_set_ringparam,
3593 	.get_sset_count		= bnx2x_get_sset_count,
3594 	.get_strings		= bnx2x_get_strings,
3595 	.get_ethtool_stats	= bnx2x_get_ethtool_stats,
3596 	.get_rxnfc		= bnx2x_get_rxnfc,
3597 	.set_rxnfc		= bnx2x_set_rxnfc,
3598 	.get_rxfh_indir_size	= bnx2x_get_rxfh_indir_size,
3599 	.get_rxfh		= bnx2x_get_rxfh,
3600 	.set_rxfh		= bnx2x_set_rxfh,
3601 	.get_channels		= bnx2x_get_channels,
3602 	.set_channels		= bnx2x_set_channels,
3603 };
3604 
3605 void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev)
3606 {
3607 	netdev->ethtool_ops = (IS_PF(bp)) ?
3608 		&bnx2x_ethtool_ops : &bnx2x_vf_ethtool_ops;
3609 }
3610