1/* bnx2x_ethtool.c: QLogic Everest network driver.
2 *
3 * Copyright (c) 2007-2013 Broadcom Corporation
4 * Copyright (c) 2014 QLogic Corporation
5 * All rights reserved
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation.
10 *
11 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
12 * Written by: Eliezer Tamir
13 * Based on code from Michael Chan's bnx2 driver
14 * UDP CSUM errata workaround by Arik Gendelman
15 * Slowpath and fastpath rework by Vladislav Zolotarov
16 * Statistics and Link management by Yitchak Gertner
17 *
18 */
19
20#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
21
22#include <linux/ethtool.h>
23#include <linux/netdevice.h>
24#include <linux/types.h>
25#include <linux/sched.h>
26#include <linux/crc32.h>
27#include "bnx2x.h"
28#include "bnx2x_cmn.h"
29#include "bnx2x_dump.h"
30#include "bnx2x_init.h"
31
32/* Note: in the format strings below %s is replaced by the queue-name which is
33 * either its index or 'fcoe' for the fcoe queue. Make sure the format string
34 * length does not exceed ETH_GSTRING_LEN - MAX_QUEUE_NAME_LEN + 2
35 */
36#define MAX_QUEUE_NAME_LEN	4
37static const struct {
38	long offset;
39	int size;
40	char string[ETH_GSTRING_LEN];
41} bnx2x_q_stats_arr[] = {
42/* 1 */	{ Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%s]: rx_bytes" },
43	{ Q_STATS_OFFSET32(total_unicast_packets_received_hi),
44						8, "[%s]: rx_ucast_packets" },
45	{ Q_STATS_OFFSET32(total_multicast_packets_received_hi),
46						8, "[%s]: rx_mcast_packets" },
47	{ Q_STATS_OFFSET32(total_broadcast_packets_received_hi),
48						8, "[%s]: rx_bcast_packets" },
49	{ Q_STATS_OFFSET32(no_buff_discard_hi),	8, "[%s]: rx_discards" },
50	{ Q_STATS_OFFSET32(rx_err_discard_pkt),
51					 4, "[%s]: rx_phy_ip_err_discards"},
52	{ Q_STATS_OFFSET32(rx_skb_alloc_failed),
53					 4, "[%s]: rx_skb_alloc_discard" },
54	{ Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" },
55	{ Q_STATS_OFFSET32(driver_xoff), 4, "[%s]: tx_exhaustion_events" },
56	{ Q_STATS_OFFSET32(total_bytes_transmitted_hi),	8, "[%s]: tx_bytes" },
57/* 10 */{ Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi),
58						8, "[%s]: tx_ucast_packets" },
59	{ Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi),
60						8, "[%s]: tx_mcast_packets" },
61	{ Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
62						8, "[%s]: tx_bcast_packets" },
63	{ Q_STATS_OFFSET32(total_tpa_aggregations_hi),
64						8, "[%s]: tpa_aggregations" },
65	{ Q_STATS_OFFSET32(total_tpa_aggregated_frames_hi),
66					8, "[%s]: tpa_aggregated_frames"},
67	{ Q_STATS_OFFSET32(total_tpa_bytes_hi),	8, "[%s]: tpa_bytes"},
68	{ Q_STATS_OFFSET32(driver_filtered_tx_pkt),
69					4, "[%s]: driver_filtered_tx_pkt" }
70};
71
72#define BNX2X_NUM_Q_STATS ARRAY_SIZE(bnx2x_q_stats_arr)
73
74static const struct {
75	long offset;
76	int size;
77	bool is_port_stat;
78	char string[ETH_GSTRING_LEN];
79} bnx2x_stats_arr[] = {
80/* 1 */	{ STATS_OFFSET32(total_bytes_received_hi),
81				8, false, "rx_bytes" },
82	{ STATS_OFFSET32(error_bytes_received_hi),
83				8, false, "rx_error_bytes" },
84	{ STATS_OFFSET32(total_unicast_packets_received_hi),
85				8, false, "rx_ucast_packets" },
86	{ STATS_OFFSET32(total_multicast_packets_received_hi),
87				8, false, "rx_mcast_packets" },
88	{ STATS_OFFSET32(total_broadcast_packets_received_hi),
89				8, false, "rx_bcast_packets" },
90	{ STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
91				8, true, "rx_crc_errors" },
92	{ STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
93				8, true, "rx_align_errors" },
94	{ STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
95				8, true, "rx_undersize_packets" },
96	{ STATS_OFFSET32(etherstatsoverrsizepkts_hi),
97				8, true, "rx_oversize_packets" },
98/* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
99				8, true, "rx_fragments" },
100	{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
101				8, true, "rx_jabbers" },
102	{ STATS_OFFSET32(no_buff_discard_hi),
103				8, false, "rx_discards" },
104	{ STATS_OFFSET32(mac_filter_discard),
105				4, true, "rx_filtered_packets" },
106	{ STATS_OFFSET32(mf_tag_discard),
107				4, true, "rx_mf_tag_discard" },
108	{ STATS_OFFSET32(pfc_frames_received_hi),
109				8, true, "pfc_frames_received" },
110	{ STATS_OFFSET32(pfc_frames_sent_hi),
111				8, true, "pfc_frames_sent" },
112	{ STATS_OFFSET32(brb_drop_hi),
113				8, true, "rx_brb_discard" },
114	{ STATS_OFFSET32(brb_truncate_hi),
115				8, true, "rx_brb_truncate" },
116	{ STATS_OFFSET32(pause_frames_received_hi),
117				8, true, "rx_pause_frames" },
118	{ STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
119				8, true, "rx_mac_ctrl_frames" },
120	{ STATS_OFFSET32(nig_timer_max),
121				4, true, "rx_constant_pause_events" },
122/* 20 */{ STATS_OFFSET32(rx_err_discard_pkt),
123				4, false, "rx_phy_ip_err_discards"},
124	{ STATS_OFFSET32(rx_skb_alloc_failed),
125				4, false, "rx_skb_alloc_discard" },
126	{ STATS_OFFSET32(hw_csum_err),
127				4, false, "rx_csum_offload_errors" },
128	{ STATS_OFFSET32(driver_xoff),
129				4, false, "tx_exhaustion_events" },
130	{ STATS_OFFSET32(total_bytes_transmitted_hi),
131				8, false, "tx_bytes" },
132	{ STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
133				8, true, "tx_error_bytes" },
134	{ STATS_OFFSET32(total_unicast_packets_transmitted_hi),
135				8, false, "tx_ucast_packets" },
136	{ STATS_OFFSET32(total_multicast_packets_transmitted_hi),
137				8, false, "tx_mcast_packets" },
138	{ STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
139				8, false, "tx_bcast_packets" },
140	{ STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
141				8, true, "tx_mac_errors" },
142	{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
143				8, true, "tx_carrier_errors" },
144/* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
145				8, true, "tx_single_collisions" },
146	{ STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
147				8, true, "tx_multi_collisions" },
148	{ STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
149				8, true, "tx_deferred" },
150	{ STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
151				8, true, "tx_excess_collisions" },
152	{ STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
153				8, true, "tx_late_collisions" },
154	{ STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
155				8, true, "tx_total_collisions" },
156	{ STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
157				8, true, "tx_64_byte_packets" },
158	{ STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
159				8, true, "tx_65_to_127_byte_packets" },
160	{ STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
161				8, true, "tx_128_to_255_byte_packets" },
162	{ STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
163				8, true, "tx_256_to_511_byte_packets" },
164/* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
165				8, true, "tx_512_to_1023_byte_packets" },
166	{ STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
167				8, true, "tx_1024_to_1522_byte_packets" },
168	{ STATS_OFFSET32(etherstatspktsover1522octets_hi),
169				8, true, "tx_1523_to_9022_byte_packets" },
170	{ STATS_OFFSET32(pause_frames_sent_hi),
171				8, true, "tx_pause_frames" },
172	{ STATS_OFFSET32(total_tpa_aggregations_hi),
173				8, false, "tpa_aggregations" },
174	{ STATS_OFFSET32(total_tpa_aggregated_frames_hi),
175				8, false, "tpa_aggregated_frames"},
176	{ STATS_OFFSET32(total_tpa_bytes_hi),
177				8, false, "tpa_bytes"},
178	{ STATS_OFFSET32(recoverable_error),
179				4, false, "recoverable_errors" },
180	{ STATS_OFFSET32(unrecoverable_error),
181				4, false, "unrecoverable_errors" },
182	{ STATS_OFFSET32(driver_filtered_tx_pkt),
183				4, false, "driver_filtered_tx_pkt" },
184	{ STATS_OFFSET32(eee_tx_lpi),
185				4, true, "Tx LPI entry count"},
186	{ STATS_OFFSET32(ptp_skip_tx_ts),
187				4, false, "ptp_skipped_tx_tstamp" },
188};
189
190#define BNX2X_NUM_STATS		ARRAY_SIZE(bnx2x_stats_arr)
191
192static int bnx2x_get_port_type(struct bnx2x *bp)
193{
194	int port_type;
195	u32 phy_idx = bnx2x_get_cur_phy_idx(bp);
196	switch (bp->link_params.phy[phy_idx].media_type) {
197	case ETH_PHY_SFPP_10G_FIBER:
198	case ETH_PHY_SFP_1G_FIBER:
199	case ETH_PHY_XFP_FIBER:
200	case ETH_PHY_KR:
201	case ETH_PHY_CX4:
202		port_type = PORT_FIBRE;
203		break;
204	case ETH_PHY_DA_TWINAX:
205		port_type = PORT_DA;
206		break;
207	case ETH_PHY_BASE_T:
208		port_type = PORT_TP;
209		break;
210	case ETH_PHY_NOT_PRESENT:
211		port_type = PORT_NONE;
212		break;
213	case ETH_PHY_UNSPECIFIED:
214	default:
215		port_type = PORT_OTHER;
216		break;
217	}
218	return port_type;
219}
220
221static int bnx2x_get_vf_link_ksettings(struct net_device *dev,
222				       struct ethtool_link_ksettings *cmd)
223{
224	struct bnx2x *bp = netdev_priv(dev);
225	u32 supported, advertising;
226
227	ethtool_convert_link_mode_to_legacy_u32(&supported,
228						cmd->link_modes.supported);
229	ethtool_convert_link_mode_to_legacy_u32(&advertising,
230						cmd->link_modes.advertising);
231
232	if (bp->state == BNX2X_STATE_OPEN) {
233		if (test_bit(BNX2X_LINK_REPORT_FD,
234			     &bp->vf_link_vars.link_report_flags))
235			cmd->base.duplex = DUPLEX_FULL;
236		else
237			cmd->base.duplex = DUPLEX_HALF;
238
239		cmd->base.speed = bp->vf_link_vars.line_speed;
240	} else {
241		cmd->base.duplex = DUPLEX_UNKNOWN;
242		cmd->base.speed = SPEED_UNKNOWN;
243	}
244
245	cmd->base.port		= PORT_OTHER;
246	cmd->base.phy_address	= 0;
247	cmd->base.autoneg	= AUTONEG_DISABLE;
248
249	DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
250	   "  supported 0x%x  advertising 0x%x  speed %u\n"
251	   "  duplex %d  port %d  phy_address %d\n"
252	   "  autoneg %d\n",
253	   cmd->base.cmd, supported, advertising,
254	   cmd->base.speed,
255	   cmd->base.duplex, cmd->base.port, cmd->base.phy_address,
256	   cmd->base.autoneg);
257
258	return 0;
259}
260
261static int bnx2x_get_link_ksettings(struct net_device *dev,
262				    struct ethtool_link_ksettings *cmd)
263{
264	struct bnx2x *bp = netdev_priv(dev);
265	int cfg_idx = bnx2x_get_link_cfg_idx(bp);
266	u32 media_type;
267	u32 supported, advertising, lp_advertising;
268
269	ethtool_convert_link_mode_to_legacy_u32(&lp_advertising,
270						cmd->link_modes.lp_advertising);
271
272	/* Dual Media boards present all available port types */
273	supported = bp->port.supported[cfg_idx] |
274		(bp->port.supported[cfg_idx ^ 1] &
275		 (SUPPORTED_TP | SUPPORTED_FIBRE));
276	advertising = bp->port.advertising[cfg_idx];
277	media_type = bp->link_params.phy[bnx2x_get_cur_phy_idx(bp)].media_type;
278	if (media_type == ETH_PHY_SFP_1G_FIBER) {
279		supported &= ~(SUPPORTED_10000baseT_Full);
280		advertising &= ~(ADVERTISED_10000baseT_Full);
281	}
282
283	if ((bp->state == BNX2X_STATE_OPEN) && bp->link_vars.link_up &&
284	    !(bp->flags & MF_FUNC_DIS)) {
285		cmd->base.duplex = bp->link_vars.duplex;
286
287		if (IS_MF(bp) && !BP_NOMCP(bp))
288			cmd->base.speed = bnx2x_get_mf_speed(bp);
289		else
290			cmd->base.speed = bp->link_vars.line_speed;
291	} else {
292		cmd->base.duplex = DUPLEX_UNKNOWN;
293		cmd->base.speed = SPEED_UNKNOWN;
294	}
295
296	cmd->base.port = bnx2x_get_port_type(bp);
297
298	cmd->base.phy_address = bp->mdio.prtad;
299
300	if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG)
301		cmd->base.autoneg = AUTONEG_ENABLE;
302	else
303		cmd->base.autoneg = AUTONEG_DISABLE;
304
305	/* Publish LP advertised speeds and FC */
306	if (bp->link_vars.link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
307		u32 status = bp->link_vars.link_status;
308
309		lp_advertising |= ADVERTISED_Autoneg;
310		if (status & LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE)
311			lp_advertising |= ADVERTISED_Pause;
312		if (status & LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
313			lp_advertising |= ADVERTISED_Asym_Pause;
314
315		if (status & LINK_STATUS_LINK_PARTNER_10THD_CAPABLE)
316			lp_advertising |= ADVERTISED_10baseT_Half;
317		if (status & LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE)
318			lp_advertising |= ADVERTISED_10baseT_Full;
319		if (status & LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE)
320			lp_advertising |= ADVERTISED_100baseT_Half;
321		if (status & LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE)
322			lp_advertising |= ADVERTISED_100baseT_Full;
323		if (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE)
324			lp_advertising |= ADVERTISED_1000baseT_Half;
325		if (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) {
326			if (media_type == ETH_PHY_KR) {
327				lp_advertising |=
328					ADVERTISED_1000baseKX_Full;
329			} else {
330				lp_advertising |=
331					ADVERTISED_1000baseT_Full;
332			}
333		}
334		if (status & LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE)
335			lp_advertising |= ADVERTISED_2500baseX_Full;
336		if (status & LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE) {
337			if (media_type == ETH_PHY_KR) {
338				lp_advertising |=
339					ADVERTISED_10000baseKR_Full;
340			} else {
341				lp_advertising |=
342					ADVERTISED_10000baseT_Full;
343			}
344		}
345		if (status & LINK_STATUS_LINK_PARTNER_20GXFD_CAPABLE)
346			lp_advertising |= ADVERTISED_20000baseKR2_Full;
347	}
348
349	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
350						supported);
351	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
352						advertising);
353	ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,
354						lp_advertising);
355
356	DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
357	   "  supported 0x%x  advertising 0x%x  speed %u\n"
358	   "  duplex %d  port %d  phy_address %d\n"
359	   "  autoneg %d\n",
360	   cmd->base.cmd, supported, advertising,
361	   cmd->base.speed,
362	   cmd->base.duplex, cmd->base.port, cmd->base.phy_address,
363	   cmd->base.autoneg);
364
365	return 0;
366}
367
368static int bnx2x_set_link_ksettings(struct net_device *dev,
369				    const struct ethtool_link_ksettings *cmd)
370{
371	struct bnx2x *bp = netdev_priv(dev);
372	u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config;
373	u32 speed, phy_idx;
374	u32 supported;
375	u8 duplex = cmd->base.duplex;
376
377	ethtool_convert_link_mode_to_legacy_u32(&supported,
378						cmd->link_modes.supported);
379	ethtool_convert_link_mode_to_legacy_u32(&advertising,
380						cmd->link_modes.advertising);
381
382	if (IS_MF_SD(bp))
383		return 0;
384
385	DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
386	   "  supported 0x%x  advertising 0x%x  speed %u\n"
387	   "  duplex %d  port %d  phy_address %d\n"
388	   "  autoneg %d\n",
389	   cmd->base.cmd, supported, advertising,
390	   cmd->base.speed,
391	   cmd->base.duplex, cmd->base.port, cmd->base.phy_address,
392	   cmd->base.autoneg);
393
394	speed = cmd->base.speed;
395
396	/* If received a request for an unknown duplex, assume full*/
397	if (duplex == DUPLEX_UNKNOWN)
398		duplex = DUPLEX_FULL;
399
400	if (IS_MF_SI(bp)) {
401		u32 part;
402		u32 line_speed = bp->link_vars.line_speed;
403
404		/* use 10G if no link detected */
405		if (!line_speed)
406			line_speed = 10000;
407
408		if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) {
409			DP(BNX2X_MSG_ETHTOOL,
410			   "To set speed BC %X or higher is required, please upgrade BC\n",
411			   REQ_BC_VER_4_SET_MF_BW);
412			return -EINVAL;
413		}
414
415		part = (speed * 100) / line_speed;
416
417		if (line_speed < speed || !part) {
418			DP(BNX2X_MSG_ETHTOOL,
419			   "Speed setting should be in a range from 1%% to 100%% of actual line speed\n");
420			return -EINVAL;
421		}
422
423		if (bp->state != BNX2X_STATE_OPEN)
424			/* store value for following "load" */
425			bp->pending_max = part;
426		else
427			bnx2x_update_max_mf_config(bp, part);
428
429		return 0;
430	}
431
432	cfg_idx = bnx2x_get_link_cfg_idx(bp);
433	old_multi_phy_config = bp->link_params.multi_phy_config;
434	if (cmd->base.port != bnx2x_get_port_type(bp)) {
435		switch (cmd->base.port) {
436		case PORT_TP:
437			if (!(bp->port.supported[0] & SUPPORTED_TP ||
438			      bp->port.supported[1] & SUPPORTED_TP)) {
439				DP(BNX2X_MSG_ETHTOOL,
440				   "Unsupported port type\n");
441				return -EINVAL;
442			}
443			bp->link_params.multi_phy_config &=
444				~PORT_HW_CFG_PHY_SELECTION_MASK;
445			if (bp->link_params.multi_phy_config &
446			    PORT_HW_CFG_PHY_SWAPPED_ENABLED)
447				bp->link_params.multi_phy_config |=
448				PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
449			else
450				bp->link_params.multi_phy_config |=
451				PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
452			break;
453		case PORT_FIBRE:
454		case PORT_DA:
455		case PORT_NONE:
456			if (!(bp->port.supported[0] & SUPPORTED_FIBRE ||
457			      bp->port.supported[1] & SUPPORTED_FIBRE)) {
458				DP(BNX2X_MSG_ETHTOOL,
459				   "Unsupported port type\n");
460				return -EINVAL;
461			}
462			bp->link_params.multi_phy_config &=
463				~PORT_HW_CFG_PHY_SELECTION_MASK;
464			if (bp->link_params.multi_phy_config &
465			    PORT_HW_CFG_PHY_SWAPPED_ENABLED)
466				bp->link_params.multi_phy_config |=
467				PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
468			else
469				bp->link_params.multi_phy_config |=
470				PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
471			break;
472		default:
473			DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n");
474			return -EINVAL;
475		}
476	}
477	/* Save new config in case command complete successfully */
478	new_multi_phy_config = bp->link_params.multi_phy_config;
479	/* Get the new cfg_idx */
480	cfg_idx = bnx2x_get_link_cfg_idx(bp);
481	/* Restore old config in case command failed */
482	bp->link_params.multi_phy_config = old_multi_phy_config;
483	DP(BNX2X_MSG_ETHTOOL, "cfg_idx = %x\n", cfg_idx);
484
485	if (cmd->base.autoneg == AUTONEG_ENABLE) {
486		u32 an_supported_speed = bp->port.supported[cfg_idx];
487		if (bp->link_params.phy[EXT_PHY1].type ==
488		    PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
489			an_supported_speed |= (SUPPORTED_100baseT_Half |
490					       SUPPORTED_100baseT_Full);
491		if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
492			DP(BNX2X_MSG_ETHTOOL, "Autoneg not supported\n");
493			return -EINVAL;
494		}
495
496		/* advertise the requested speed and duplex if supported */
497		if (advertising & ~an_supported_speed) {
498			DP(BNX2X_MSG_ETHTOOL,
499			   "Advertisement parameters are not supported\n");
500			return -EINVAL;
501		}
502
503		bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG;
504		bp->link_params.req_duplex[cfg_idx] = duplex;
505		bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg |
506					 advertising);
507		if (advertising) {
508
509			bp->link_params.speed_cap_mask[cfg_idx] = 0;
510			if (advertising & ADVERTISED_10baseT_Half) {
511				bp->link_params.speed_cap_mask[cfg_idx] |=
512				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF;
513			}
514			if (advertising & ADVERTISED_10baseT_Full)
515				bp->link_params.speed_cap_mask[cfg_idx] |=
516				PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL;
517
518			if (advertising & ADVERTISED_100baseT_Full)
519				bp->link_params.speed_cap_mask[cfg_idx] |=
520				PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL;
521
522			if (advertising & ADVERTISED_100baseT_Half) {
523				bp->link_params.speed_cap_mask[cfg_idx] |=
524				     PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF;
525			}
526			if (advertising & ADVERTISED_1000baseT_Half) {
527				bp->link_params.speed_cap_mask[cfg_idx] |=
528					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
529			}
530			if (advertising & (ADVERTISED_1000baseT_Full |
531						ADVERTISED_1000baseKX_Full))
532				bp->link_params.speed_cap_mask[cfg_idx] |=
533					PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
534
535			if (advertising & (ADVERTISED_10000baseT_Full |
536						ADVERTISED_10000baseKX4_Full |
537						ADVERTISED_10000baseKR_Full))
538				bp->link_params.speed_cap_mask[cfg_idx] |=
539					PORT_HW_CFG_SPEED_CAPABILITY_D0_10G;
540
541			if (advertising & ADVERTISED_20000baseKR2_Full)
542				bp->link_params.speed_cap_mask[cfg_idx] |=
543					PORT_HW_CFG_SPEED_CAPABILITY_D0_20G;
544		}
545	} else { /* forced speed */
546		/* advertise the requested speed and duplex if supported */
547		switch (speed) {
548		case SPEED_10:
549			if (duplex == DUPLEX_FULL) {
550				if (!(bp->port.supported[cfg_idx] &
551				      SUPPORTED_10baseT_Full)) {
552					DP(BNX2X_MSG_ETHTOOL,
553					   "10M full not supported\n");
554					return -EINVAL;
555				}
556
557				advertising = (ADVERTISED_10baseT_Full |
558					       ADVERTISED_TP);
559			} else {
560				if (!(bp->port.supported[cfg_idx] &
561				      SUPPORTED_10baseT_Half)) {
562					DP(BNX2X_MSG_ETHTOOL,
563					   "10M half not supported\n");
564					return -EINVAL;
565				}
566
567				advertising = (ADVERTISED_10baseT_Half |
568					       ADVERTISED_TP);
569			}
570			break;
571
572		case SPEED_100:
573			if (duplex == DUPLEX_FULL) {
574				if (!(bp->port.supported[cfg_idx] &
575						SUPPORTED_100baseT_Full)) {
576					DP(BNX2X_MSG_ETHTOOL,
577					   "100M full not supported\n");
578					return -EINVAL;
579				}
580
581				advertising = (ADVERTISED_100baseT_Full |
582					       ADVERTISED_TP);
583			} else {
584				if (!(bp->port.supported[cfg_idx] &
585						SUPPORTED_100baseT_Half)) {
586					DP(BNX2X_MSG_ETHTOOL,
587					   "100M half not supported\n");
588					return -EINVAL;
589				}
590
591				advertising = (ADVERTISED_100baseT_Half |
592					       ADVERTISED_TP);
593			}
594			break;
595
596		case SPEED_1000:
597			if (duplex != DUPLEX_FULL) {
598				DP(BNX2X_MSG_ETHTOOL,
599				   "1G half not supported\n");
600				return -EINVAL;
601			}
602
603			if (bp->port.supported[cfg_idx] &
604			     SUPPORTED_1000baseT_Full) {
605				advertising = (ADVERTISED_1000baseT_Full |
606					       ADVERTISED_TP);
607
608			} else if (bp->port.supported[cfg_idx] &
609				   SUPPORTED_1000baseKX_Full) {
610				advertising = ADVERTISED_1000baseKX_Full;
611			} else {
612				DP(BNX2X_MSG_ETHTOOL,
613				   "1G full not supported\n");
614				return -EINVAL;
615			}
616
617			break;
618
619		case SPEED_2500:
620			if (duplex != DUPLEX_FULL) {
621				DP(BNX2X_MSG_ETHTOOL,
622				   "2.5G half not supported\n");
623				return -EINVAL;
624			}
625
626			if (!(bp->port.supported[cfg_idx]
627			      & SUPPORTED_2500baseX_Full)) {
628				DP(BNX2X_MSG_ETHTOOL,
629				   "2.5G full not supported\n");
630				return -EINVAL;
631			}
632
633			advertising = (ADVERTISED_2500baseX_Full |
634				       ADVERTISED_TP);
635			break;
636
637		case SPEED_10000:
638			if (duplex != DUPLEX_FULL) {
639				DP(BNX2X_MSG_ETHTOOL,
640				   "10G half not supported\n");
641				return -EINVAL;
642			}
643			phy_idx = bnx2x_get_cur_phy_idx(bp);
644			if ((bp->port.supported[cfg_idx] &
645			     SUPPORTED_10000baseT_Full) &&
646			    (bp->link_params.phy[phy_idx].media_type !=
647			     ETH_PHY_SFP_1G_FIBER)) {
648				advertising = (ADVERTISED_10000baseT_Full |
649					       ADVERTISED_FIBRE);
650			} else if (bp->port.supported[cfg_idx] &
651			       SUPPORTED_10000baseKR_Full) {
652				advertising = (ADVERTISED_10000baseKR_Full |
653					       ADVERTISED_FIBRE);
654			} else {
655				DP(BNX2X_MSG_ETHTOOL,
656				   "10G full not supported\n");
657				return -EINVAL;
658			}
659
660			break;
661
662		default:
663			DP(BNX2X_MSG_ETHTOOL, "Unsupported speed %u\n", speed);
664			return -EINVAL;
665		}
666
667		bp->link_params.req_line_speed[cfg_idx] = speed;
668		bp->link_params.req_duplex[cfg_idx] = duplex;
669		bp->port.advertising[cfg_idx] = advertising;
670	}
671
672	DP(BNX2X_MSG_ETHTOOL, "req_line_speed %d\n"
673	   "  req_duplex %d  advertising 0x%x\n",
674	   bp->link_params.req_line_speed[cfg_idx],
675	   bp->link_params.req_duplex[cfg_idx],
676	   bp->port.advertising[cfg_idx]);
677
678	/* Set new config */
679	bp->link_params.multi_phy_config = new_multi_phy_config;
680	if (netif_running(dev)) {
681		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
682		bnx2x_force_link_reset(bp);
683		bnx2x_link_set(bp);
684	}
685
686	return 0;
687}
688
689#define DUMP_ALL_PRESETS		0x1FFF
690#define DUMP_MAX_PRESETS		13
691
692static int __bnx2x_get_preset_regs_len(struct bnx2x *bp, u32 preset)
693{
694	if (CHIP_IS_E1(bp))
695		return dump_num_registers[0][preset-1];
696	else if (CHIP_IS_E1H(bp))
697		return dump_num_registers[1][preset-1];
698	else if (CHIP_IS_E2(bp))
699		return dump_num_registers[2][preset-1];
700	else if (CHIP_IS_E3A0(bp))
701		return dump_num_registers[3][preset-1];
702	else if (CHIP_IS_E3B0(bp))
703		return dump_num_registers[4][preset-1];
704	else
705		return 0;
706}
707
708static int __bnx2x_get_regs_len(struct bnx2x *bp)
709{
710	u32 preset_idx;
711	int regdump_len = 0;
712
713	/* Calculate the total preset regs length */
714	for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++)
715		regdump_len += __bnx2x_get_preset_regs_len(bp, preset_idx);
716
717	return regdump_len;
718}
719
720static int bnx2x_get_regs_len(struct net_device *dev)
721{
722	struct bnx2x *bp = netdev_priv(dev);
723	int regdump_len = 0;
724
725	if (IS_VF(bp))
726		return 0;
727
728	regdump_len = __bnx2x_get_regs_len(bp);
729	regdump_len *= 4;
730	regdump_len += sizeof(struct dump_header);
731
732	return regdump_len;
733}
734
735#define IS_E1_REG(chips)	((chips & DUMP_CHIP_E1) == DUMP_CHIP_E1)
736#define IS_E1H_REG(chips)	((chips & DUMP_CHIP_E1H) == DUMP_CHIP_E1H)
737#define IS_E2_REG(chips)	((chips & DUMP_CHIP_E2) == DUMP_CHIP_E2)
738#define IS_E3A0_REG(chips)	((chips & DUMP_CHIP_E3A0) == DUMP_CHIP_E3A0)
739#define IS_E3B0_REG(chips)	((chips & DUMP_CHIP_E3B0) == DUMP_CHIP_E3B0)
740
741#define IS_REG_IN_PRESET(presets, idx)  \
742		((presets & (1 << (idx-1))) == (1 << (idx-1)))
743
744/******* Paged registers info selectors ********/
745static const u32 *__bnx2x_get_page_addr_ar(struct bnx2x *bp)
746{
747	if (CHIP_IS_E2(bp))
748		return page_vals_e2;
749	else if (CHIP_IS_E3(bp))
750		return page_vals_e3;
751	else
752		return NULL;
753}
754
755static u32 __bnx2x_get_page_reg_num(struct bnx2x *bp)
756{
757	if (CHIP_IS_E2(bp))
758		return PAGE_MODE_VALUES_E2;
759	else if (CHIP_IS_E3(bp))
760		return PAGE_MODE_VALUES_E3;
761	else
762		return 0;
763}
764
765static const u32 *__bnx2x_get_page_write_ar(struct bnx2x *bp)
766{
767	if (CHIP_IS_E2(bp))
768		return page_write_regs_e2;
769	else if (CHIP_IS_E3(bp))
770		return page_write_regs_e3;
771	else
772		return NULL;
773}
774
775static u32 __bnx2x_get_page_write_num(struct bnx2x *bp)
776{
777	if (CHIP_IS_E2(bp))
778		return PAGE_WRITE_REGS_E2;
779	else if (CHIP_IS_E3(bp))
780		return PAGE_WRITE_REGS_E3;
781	else
782		return 0;
783}
784
785static const struct reg_addr *__bnx2x_get_page_read_ar(struct bnx2x *bp)
786{
787	if (CHIP_IS_E2(bp))
788		return page_read_regs_e2;
789	else if (CHIP_IS_E3(bp))
790		return page_read_regs_e3;
791	else
792		return NULL;
793}
794
795static u32 __bnx2x_get_page_read_num(struct bnx2x *bp)
796{
797	if (CHIP_IS_E2(bp))
798		return PAGE_READ_REGS_E2;
799	else if (CHIP_IS_E3(bp))
800		return PAGE_READ_REGS_E3;
801	else
802		return 0;
803}
804
805static bool bnx2x_is_reg_in_chip(struct bnx2x *bp,
806				       const struct reg_addr *reg_info)
807{
808	if (CHIP_IS_E1(bp))
809		return IS_E1_REG(reg_info->chips);
810	else if (CHIP_IS_E1H(bp))
811		return IS_E1H_REG(reg_info->chips);
812	else if (CHIP_IS_E2(bp))
813		return IS_E2_REG(reg_info->chips);
814	else if (CHIP_IS_E3A0(bp))
815		return IS_E3A0_REG(reg_info->chips);
816	else if (CHIP_IS_E3B0(bp))
817		return IS_E3B0_REG(reg_info->chips);
818	else
819		return false;
820}
821
822static bool bnx2x_is_wreg_in_chip(struct bnx2x *bp,
823	const struct wreg_addr *wreg_info)
824{
825	if (CHIP_IS_E1(bp))
826		return IS_E1_REG(wreg_info->chips);
827	else if (CHIP_IS_E1H(bp))
828		return IS_E1H_REG(wreg_info->chips);
829	else if (CHIP_IS_E2(bp))
830		return IS_E2_REG(wreg_info->chips);
831	else if (CHIP_IS_E3A0(bp))
832		return IS_E3A0_REG(wreg_info->chips);
833	else if (CHIP_IS_E3B0(bp))
834		return IS_E3B0_REG(wreg_info->chips);
835	else
836		return false;
837}
838
839/**
840 * bnx2x_read_pages_regs - read "paged" registers
841 *
842 * @bp:		device handle
843 * @p:		output buffer
844 * @preset:	the preset value
845 *
846 * Reads "paged" memories: memories that may only be read by first writing to a
847 * specific address ("write address") and then reading from a specific address
848 * ("read address"). There may be more than one write address per "page" and
849 * more than one read address per write address.
850 */
851static void bnx2x_read_pages_regs(struct bnx2x *bp, u32 *p, u32 preset)
852{
853	u32 i, j, k, n;
854
855	/* addresses of the paged registers */
856	const u32 *page_addr = __bnx2x_get_page_addr_ar(bp);
857	/* number of paged registers */
858	int num_pages = __bnx2x_get_page_reg_num(bp);
859	/* write addresses */
860	const u32 *write_addr = __bnx2x_get_page_write_ar(bp);
861	/* number of write addresses */
862	int write_num = __bnx2x_get_page_write_num(bp);
863	/* read addresses info */
864	const struct reg_addr *read_addr = __bnx2x_get_page_read_ar(bp);
865	/* number of read addresses */
866	int read_num = __bnx2x_get_page_read_num(bp);
867	u32 addr, size;
868
869	for (i = 0; i < num_pages; i++) {
870		for (j = 0; j < write_num; j++) {
871			REG_WR(bp, write_addr[j], page_addr[i]);
872
873			for (k = 0; k < read_num; k++) {
874				if (IS_REG_IN_PRESET(read_addr[k].presets,
875						     preset)) {
876					size = read_addr[k].size;
877					for (n = 0; n < size; n++) {
878						addr = read_addr[k].addr + n*4;
879						*p++ = REG_RD(bp, addr);
880					}
881				}
882			}
883		}
884	}
885}
886
887static int __bnx2x_get_preset_regs(struct bnx2x *bp, u32 *p, u32 preset)
888{
889	u32 i, j, addr;
890	const struct wreg_addr *wreg_addr_p = NULL;
891
892	if (CHIP_IS_E1(bp))
893		wreg_addr_p = &wreg_addr_e1;
894	else if (CHIP_IS_E1H(bp))
895		wreg_addr_p = &wreg_addr_e1h;
896	else if (CHIP_IS_E2(bp))
897		wreg_addr_p = &wreg_addr_e2;
898	else if (CHIP_IS_E3A0(bp))
899		wreg_addr_p = &wreg_addr_e3;
900	else if (CHIP_IS_E3B0(bp))
901		wreg_addr_p = &wreg_addr_e3b0;
902
903	/* Read the idle_chk registers */
904	for (i = 0; i < IDLE_REGS_COUNT; i++) {
905		if (bnx2x_is_reg_in_chip(bp, &idle_reg_addrs[i]) &&
906		    IS_REG_IN_PRESET(idle_reg_addrs[i].presets, preset)) {
907			for (j = 0; j < idle_reg_addrs[i].size; j++)
908				*p++ = REG_RD(bp, idle_reg_addrs[i].addr + j*4);
909		}
910	}
911
912	/* Read the regular registers */
913	for (i = 0; i < REGS_COUNT; i++) {
914		if (bnx2x_is_reg_in_chip(bp, &reg_addrs[i]) &&
915		    IS_REG_IN_PRESET(reg_addrs[i].presets, preset)) {
916			for (j = 0; j < reg_addrs[i].size; j++)
917				*p++ = REG_RD(bp, reg_addrs[i].addr + j*4);
918		}
919	}
920
921	/* Read the CAM registers */
922	if (bnx2x_is_wreg_in_chip(bp, wreg_addr_p) &&
923	    IS_REG_IN_PRESET(wreg_addr_p->presets, preset)) {
924		for (i = 0; i < wreg_addr_p->size; i++) {
925			*p++ = REG_RD(bp, wreg_addr_p->addr + i*4);
926
927			/* In case of wreg_addr register, read additional
928			   registers from read_regs array
929			*/
930			for (j = 0; j < wreg_addr_p->read_regs_count; j++) {
931				addr = *(wreg_addr_p->read_regs);
932				*p++ = REG_RD(bp, addr + j*4);
933			}
934		}
935	}
936
937	/* Paged registers are supported in E2 & E3 only */
938	if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp)) {
939		/* Read "paged" registers */
940		bnx2x_read_pages_regs(bp, p, preset);
941	}
942
943	return 0;
944}
945
946static void __bnx2x_get_regs(struct bnx2x *bp, u32 *p)
947{
948	u32 preset_idx;
949
950	/* Read all registers, by reading all preset registers */
951	for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++) {
952		/* Skip presets with IOR */
953		if ((preset_idx == 2) ||
954		    (preset_idx == 5) ||
955		    (preset_idx == 8) ||
956		    (preset_idx == 11))
957			continue;
958		__bnx2x_get_preset_regs(bp, p, preset_idx);
959		p += __bnx2x_get_preset_regs_len(bp, preset_idx);
960	}
961}
962
963static void bnx2x_get_regs(struct net_device *dev,
964			   struct ethtool_regs *regs, void *_p)
965{
966	u32 *p = _p;
967	struct bnx2x *bp = netdev_priv(dev);
968	struct dump_header dump_hdr = {0};
969
970	regs->version = 2;
971	memset(p, 0, regs->len);
972
973	if (!netif_running(bp->dev))
974		return;
975
976	/* Disable parity attentions as long as following dump may
977	 * cause false alarms by reading never written registers. We
978	 * will re-enable parity attentions right after the dump.
979	 */
980
981	bnx2x_disable_blocks_parity(bp);
982
983	dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1;
984	dump_hdr.preset = DUMP_ALL_PRESETS;
985	dump_hdr.version = BNX2X_DUMP_VERSION;
986
987	/* dump_meta_data presents OR of CHIP and PATH. */
988	if (CHIP_IS_E1(bp)) {
989		dump_hdr.dump_meta_data = DUMP_CHIP_E1;
990	} else if (CHIP_IS_E1H(bp)) {
991		dump_hdr.dump_meta_data = DUMP_CHIP_E1H;
992	} else if (CHIP_IS_E2(bp)) {
993		dump_hdr.dump_meta_data = DUMP_CHIP_E2 |
994		(BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
995	} else if (CHIP_IS_E3A0(bp)) {
996		dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 |
997		(BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
998	} else if (CHIP_IS_E3B0(bp)) {
999		dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 |
1000		(BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1001	}
1002
1003	memcpy(p, &dump_hdr, sizeof(struct dump_header));
1004	p += dump_hdr.header_size + 1;
1005
1006	/* This isn't really an error, but since attention handling is going
1007	 * to print the GRC timeouts using this macro, we use the same.
1008	 */
1009	BNX2X_ERR("Generating register dump. Might trigger harmless GRC timeouts\n");
1010
1011	/* Actually read the registers */
1012	__bnx2x_get_regs(bp, p);
1013
1014	/* Re-enable parity attentions */
1015	bnx2x_clear_blocks_parity(bp);
1016	bnx2x_enable_blocks_parity(bp);
1017}
1018
1019static int bnx2x_get_preset_regs_len(struct net_device *dev, u32 preset)
1020{
1021	struct bnx2x *bp = netdev_priv(dev);
1022	int regdump_len = 0;
1023
1024	regdump_len = __bnx2x_get_preset_regs_len(bp, preset);
1025	regdump_len *= 4;
1026	regdump_len += sizeof(struct dump_header);
1027
1028	return regdump_len;
1029}
1030
1031static int bnx2x_set_dump(struct net_device *dev, struct ethtool_dump *val)
1032{
1033	struct bnx2x *bp = netdev_priv(dev);
1034
1035	/* Use the ethtool_dump "flag" field as the dump preset index */
1036	if (val->flag < 1 || val->flag > DUMP_MAX_PRESETS)
1037		return -EINVAL;
1038
1039	bp->dump_preset_idx = val->flag;
1040	return 0;
1041}
1042
1043static int bnx2x_get_dump_flag(struct net_device *dev,
1044			       struct ethtool_dump *dump)
1045{
1046	struct bnx2x *bp = netdev_priv(dev);
1047
1048	dump->version = BNX2X_DUMP_VERSION;
1049	dump->flag = bp->dump_preset_idx;
1050	/* Calculate the requested preset idx length */
1051	dump->len = bnx2x_get_preset_regs_len(dev, bp->dump_preset_idx);
1052	DP(BNX2X_MSG_ETHTOOL, "Get dump preset %d length=%d\n",
1053	   bp->dump_preset_idx, dump->len);
1054	return 0;
1055}
1056
1057static int bnx2x_get_dump_data(struct net_device *dev,
1058			       struct ethtool_dump *dump,
1059			       void *buffer)
1060{
1061	u32 *p = buffer;
1062	struct bnx2x *bp = netdev_priv(dev);
1063	struct dump_header dump_hdr = {0};
1064
1065	/* Disable parity attentions as long as following dump may
1066	 * cause false alarms by reading never written registers. We
1067	 * will re-enable parity attentions right after the dump.
1068	 */
1069
1070	bnx2x_disable_blocks_parity(bp);
1071
1072	dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1;
1073	dump_hdr.preset = bp->dump_preset_idx;
1074	dump_hdr.version = BNX2X_DUMP_VERSION;
1075
1076	DP(BNX2X_MSG_ETHTOOL, "Get dump data of preset %d\n", dump_hdr.preset);
1077
1078	/* dump_meta_data presents OR of CHIP and PATH. */
1079	if (CHIP_IS_E1(bp)) {
1080		dump_hdr.dump_meta_data = DUMP_CHIP_E1;
1081	} else if (CHIP_IS_E1H(bp)) {
1082		dump_hdr.dump_meta_data = DUMP_CHIP_E1H;
1083	} else if (CHIP_IS_E2(bp)) {
1084		dump_hdr.dump_meta_data = DUMP_CHIP_E2 |
1085		(BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1086	} else if (CHIP_IS_E3A0(bp)) {
1087		dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 |
1088		(BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1089	} else if (CHIP_IS_E3B0(bp)) {
1090		dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 |
1091		(BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1092	}
1093
1094	memcpy(p, &dump_hdr, sizeof(struct dump_header));
1095	p += dump_hdr.header_size + 1;
1096
1097	/* Actually read the registers */
1098	__bnx2x_get_preset_regs(bp, p, dump_hdr.preset);
1099
1100	/* Re-enable parity attentions */
1101	bnx2x_clear_blocks_parity(bp);
1102	bnx2x_enable_blocks_parity(bp);
1103
1104	return 0;
1105}
1106
1107static void bnx2x_get_drvinfo(struct net_device *dev,
1108			      struct ethtool_drvinfo *info)
1109{
1110	struct bnx2x *bp = netdev_priv(dev);
1111	char version[ETHTOOL_FWVERS_LEN];
1112	int ext_dev_info_offset;
1113	u32 mbi;
1114
1115	strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1116
1117	if (SHMEM2_HAS(bp, extended_dev_info_shared_addr)) {
1118		ext_dev_info_offset = SHMEM2_RD(bp,
1119						extended_dev_info_shared_addr);
1120		mbi = REG_RD(bp, ext_dev_info_offset +
1121			     offsetof(struct extended_dev_info_shared_cfg,
1122				      mbi_version));
1123		if (mbi) {
1124			memset(version, 0, sizeof(version));
1125			snprintf(version, ETHTOOL_FWVERS_LEN, "mbi %d.%d.%d ",
1126				 (mbi & 0xff000000) >> 24,
1127				 (mbi & 0x00ff0000) >> 16,
1128				 (mbi & 0x0000ff00) >> 8);
1129			strlcpy(info->fw_version, version,
1130				sizeof(info->fw_version));
1131		}
1132	}
1133
1134	memset(version, 0, sizeof(version));
1135	bnx2x_fill_fw_str(bp, version, ETHTOOL_FWVERS_LEN);
1136	strlcat(info->fw_version, version, sizeof(info->fw_version));
1137
1138	strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1139}
1140
1141static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1142{
1143	struct bnx2x *bp = netdev_priv(dev);
1144
1145	if (bp->flags & NO_WOL_FLAG) {
1146		wol->supported = 0;
1147		wol->wolopts = 0;
1148	} else {
1149		wol->supported = WAKE_MAGIC;
1150		if (bp->wol)
1151			wol->wolopts = WAKE_MAGIC;
1152		else
1153			wol->wolopts = 0;
1154	}
1155	memset(&wol->sopass, 0, sizeof(wol->sopass));
1156}
1157
1158static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1159{
1160	struct bnx2x *bp = netdev_priv(dev);
1161
1162	if (wol->wolopts & ~WAKE_MAGIC) {
1163		DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n");
1164		return -EINVAL;
1165	}
1166
1167	if (wol->wolopts & WAKE_MAGIC) {
1168		if (bp->flags & NO_WOL_FLAG) {
1169			DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n");
1170			return -EINVAL;
1171		}
1172		bp->wol = 1;
1173	} else
1174		bp->wol = 0;
1175
1176	if (SHMEM2_HAS(bp, curr_cfg))
1177		SHMEM2_WR(bp, curr_cfg, CURR_CFG_MET_OS);
1178
1179	return 0;
1180}
1181
1182static u32 bnx2x_get_msglevel(struct net_device *dev)
1183{
1184	struct bnx2x *bp = netdev_priv(dev);
1185
1186	return bp->msg_enable;
1187}
1188
1189static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
1190{
1191	struct bnx2x *bp = netdev_priv(dev);
1192
1193	if (capable(CAP_NET_ADMIN)) {
1194		/* dump MCP trace */
1195		if (IS_PF(bp) && (level & BNX2X_MSG_MCP))
1196			bnx2x_fw_dump_lvl(bp, KERN_INFO);
1197		bp->msg_enable = level;
1198	}
1199}
1200
1201static int bnx2x_nway_reset(struct net_device *dev)
1202{
1203	struct bnx2x *bp = netdev_priv(dev);
1204
1205	if (!bp->port.pmf)
1206		return 0;
1207
1208	if (netif_running(dev)) {
1209		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1210		bnx2x_force_link_reset(bp);
1211		bnx2x_link_set(bp);
1212	}
1213
1214	return 0;
1215}
1216
1217static u32 bnx2x_get_link(struct net_device *dev)
1218{
1219	struct bnx2x *bp = netdev_priv(dev);
1220
1221	if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN))
1222		return 0;
1223
1224	if (IS_VF(bp))
1225		return !test_bit(BNX2X_LINK_REPORT_LINK_DOWN,
1226				 &bp->vf_link_vars.link_report_flags);
1227
1228	return bp->link_vars.link_up;
1229}
1230
1231static int bnx2x_get_eeprom_len(struct net_device *dev)
1232{
1233	struct bnx2x *bp = netdev_priv(dev);
1234
1235	return bp->common.flash_size;
1236}
1237
1238/* Per pf misc lock must be acquired before the per port mcp lock. Otherwise,
1239 * had we done things the other way around, if two pfs from the same port would
1240 * attempt to access nvram at the same time, we could run into a scenario such
1241 * as:
1242 * pf A takes the port lock.
1243 * pf B succeeds in taking the same lock since they are from the same port.
1244 * pf A takes the per pf misc lock. Performs eeprom access.
1245 * pf A finishes. Unlocks the per pf misc lock.
1246 * Pf B takes the lock and proceeds to perform it's own access.
1247 * pf A unlocks the per port lock, while pf B is still working (!).
1248 * mcp takes the per port lock and corrupts pf B's access (and/or has it's own
1249 * access corrupted by pf B)
1250 */
1251static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
1252{
1253	int port = BP_PORT(bp);
1254	int count, i;
1255	u32 val;
1256
1257	/* acquire HW lock: protect against other PFs in PF Direct Assignment */
1258	bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1259
1260	/* adjust timeout for emulation/FPGA */
1261	count = BNX2X_NVRAM_TIMEOUT_COUNT;
1262	if (CHIP_REV_IS_SLOW(bp))
1263		count *= 100;
1264
1265	/* request access to nvram interface */
1266	REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
1267	       (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
1268
1269	for (i = 0; i < count*10; i++) {
1270		val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
1271		if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
1272			break;
1273
1274		udelay(5);
1275	}
1276
1277	if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
1278		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1279		   "cannot get access to nvram interface\n");
1280		bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1281		return -EBUSY;
1282	}
1283
1284	return 0;
1285}
1286
1287static int bnx2x_release_nvram_lock(struct bnx2x *bp)
1288{
1289	int port = BP_PORT(bp);
1290	int count, i;
1291	u32 val;
1292
1293	/* adjust timeout for emulation/FPGA */
1294	count = BNX2X_NVRAM_TIMEOUT_COUNT;
1295	if (CHIP_REV_IS_SLOW(bp))
1296		count *= 100;
1297
1298	/* relinquish nvram interface */
1299	REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
1300	       (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
1301
1302	for (i = 0; i < count*10; i++) {
1303		val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
1304		if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
1305			break;
1306
1307		udelay(5);
1308	}
1309
1310	if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
1311		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1312		   "cannot free access to nvram interface\n");
1313		return -EBUSY;
1314	}
1315
1316	/* release HW lock: protect against other PFs in PF Direct Assignment */
1317	bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1318	return 0;
1319}
1320
1321static void bnx2x_enable_nvram_access(struct bnx2x *bp)
1322{
1323	u32 val;
1324
1325	val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1326
1327	/* enable both bits, even on read */
1328	REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1329	       (val | MCPR_NVM_ACCESS_ENABLE_EN |
1330		      MCPR_NVM_ACCESS_ENABLE_WR_EN));
1331}
1332
1333static void bnx2x_disable_nvram_access(struct bnx2x *bp)
1334{
1335	u32 val;
1336
1337	val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1338
1339	/* disable both bits, even after read */
1340	REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1341	       (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
1342			MCPR_NVM_ACCESS_ENABLE_WR_EN)));
1343}
1344
1345static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val,
1346				  u32 cmd_flags)
1347{
1348	int count, i, rc;
1349	u32 val;
1350
1351	/* build the command word */
1352	cmd_flags |= MCPR_NVM_COMMAND_DOIT;
1353
1354	/* need to clear DONE bit separately */
1355	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1356
1357	/* address of the NVRAM to read from */
1358	REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1359	       (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1360
1361	/* issue a read command */
1362	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1363
1364	/* adjust timeout for emulation/FPGA */
1365	count = BNX2X_NVRAM_TIMEOUT_COUNT;
1366	if (CHIP_REV_IS_SLOW(bp))
1367		count *= 100;
1368
1369	/* wait for completion */
1370	*ret_val = 0;
1371	rc = -EBUSY;
1372	for (i = 0; i < count; i++) {
1373		udelay(5);
1374		val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1375
1376		if (val & MCPR_NVM_COMMAND_DONE) {
1377			val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
1378			/* we read nvram data in cpu order
1379			 * but ethtool sees it as an array of bytes
1380			 * converting to big-endian will do the work
1381			 */
1382			*ret_val = cpu_to_be32(val);
1383			rc = 0;
1384			break;
1385		}
1386	}
1387	if (rc == -EBUSY)
1388		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1389		   "nvram read timeout expired\n");
1390	return rc;
1391}
1392
1393int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
1394		     int buf_size)
1395{
1396	int rc;
1397	u32 cmd_flags;
1398	__be32 val;
1399
1400	if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1401		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1402		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
1403		   offset, buf_size);
1404		return -EINVAL;
1405	}
1406
1407	if (offset + buf_size > bp->common.flash_size) {
1408		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1409		   "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1410		   offset, buf_size, bp->common.flash_size);
1411		return -EINVAL;
1412	}
1413
1414	/* request access to nvram interface */
1415	rc = bnx2x_acquire_nvram_lock(bp);
1416	if (rc)
1417		return rc;
1418
1419	/* enable access to nvram interface */
1420	bnx2x_enable_nvram_access(bp);
1421
1422	/* read the first word(s) */
1423	cmd_flags = MCPR_NVM_COMMAND_FIRST;
1424	while ((buf_size > sizeof(u32)) && (rc == 0)) {
1425		rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1426		memcpy(ret_buf, &val, 4);
1427
1428		/* advance to the next dword */
1429		offset += sizeof(u32);
1430		ret_buf += sizeof(u32);
1431		buf_size -= sizeof(u32);
1432		cmd_flags = 0;
1433	}
1434
1435	if (rc == 0) {
1436		cmd_flags |= MCPR_NVM_COMMAND_LAST;
1437		rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1438		memcpy(ret_buf, &val, 4);
1439	}
1440
1441	/* disable access to nvram interface */
1442	bnx2x_disable_nvram_access(bp);
1443	bnx2x_release_nvram_lock(bp);
1444
1445	return rc;
1446}
1447
1448static int bnx2x_nvram_read32(struct bnx2x *bp, u32 offset, u32 *buf,
1449			      int buf_size)
1450{
1451	int rc;
1452
1453	rc = bnx2x_nvram_read(bp, offset, (u8 *)buf, buf_size);
1454
1455	if (!rc) {
1456		__be32 *be = (__be32 *)buf;
1457
1458		while ((buf_size -= 4) >= 0)
1459			*buf++ = be32_to_cpu(*be++);
1460	}
1461
1462	return rc;
1463}
1464
1465static bool bnx2x_is_nvm_accessible(struct bnx2x *bp)
1466{
1467	int rc = 1;
1468	u16 pm = 0;
1469	struct net_device *dev = pci_get_drvdata(bp->pdev);
1470
1471	if (bp->pdev->pm_cap)
1472		rc = pci_read_config_word(bp->pdev,
1473					  bp->pdev->pm_cap + PCI_PM_CTRL, &pm);
1474
1475	if ((rc && !netif_running(dev)) ||
1476	    (!rc && ((pm & PCI_PM_CTRL_STATE_MASK) != (__force u16)PCI_D0)))
1477		return false;
1478
1479	return true;
1480}
1481
1482static int bnx2x_get_eeprom(struct net_device *dev,
1483			    struct ethtool_eeprom *eeprom, u8 *eebuf)
1484{
1485	struct bnx2x *bp = netdev_priv(dev);
1486
1487	if (!bnx2x_is_nvm_accessible(bp)) {
1488		DP(BNX2X_MSG_ETHTOOL  | BNX2X_MSG_NVM,
1489		   "cannot access eeprom when the interface is down\n");
1490		return -EAGAIN;
1491	}
1492
1493	DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1494	   "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
1495	   eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1496	   eeprom->len, eeprom->len);
1497
1498	/* parameters already validated in ethtool_get_eeprom */
1499
1500	return bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
1501}
1502
1503static int bnx2x_get_module_eeprom(struct net_device *dev,
1504				   struct ethtool_eeprom *ee,
1505				   u8 *data)
1506{
1507	struct bnx2x *bp = netdev_priv(dev);
1508	int rc = -EINVAL, phy_idx;
1509	u8 *user_data = data;
1510	unsigned int start_addr = ee->offset, xfer_size = 0;
1511
1512	if (!bnx2x_is_nvm_accessible(bp)) {
1513		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1514		   "cannot access eeprom when the interface is down\n");
1515		return -EAGAIN;
1516	}
1517
1518	phy_idx = bnx2x_get_cur_phy_idx(bp);
1519
1520	/* Read A0 section */
1521	if (start_addr < ETH_MODULE_SFF_8079_LEN) {
1522		/* Limit transfer size to the A0 section boundary */
1523		if (start_addr + ee->len > ETH_MODULE_SFF_8079_LEN)
1524			xfer_size = ETH_MODULE_SFF_8079_LEN - start_addr;
1525		else
1526			xfer_size = ee->len;
1527		bnx2x_acquire_phy_lock(bp);
1528		rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1529						  &bp->link_params,
1530						  I2C_DEV_ADDR_A0,
1531						  start_addr,
1532						  xfer_size,
1533						  user_data);
1534		bnx2x_release_phy_lock(bp);
1535		if (rc) {
1536			DP(BNX2X_MSG_ETHTOOL, "Failed reading A0 section\n");
1537
1538			return -EINVAL;
1539		}
1540		user_data += xfer_size;
1541		start_addr += xfer_size;
1542	}
1543
1544	/* Read A2 section */
1545	if ((start_addr >= ETH_MODULE_SFF_8079_LEN) &&
1546	    (start_addr < ETH_MODULE_SFF_8472_LEN)) {
1547		xfer_size = ee->len - xfer_size;
1548		/* Limit transfer size to the A2 section boundary */
1549		if (start_addr + xfer_size > ETH_MODULE_SFF_8472_LEN)
1550			xfer_size = ETH_MODULE_SFF_8472_LEN - start_addr;
1551		start_addr -= ETH_MODULE_SFF_8079_LEN;
1552		bnx2x_acquire_phy_lock(bp);
1553		rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1554						  &bp->link_params,
1555						  I2C_DEV_ADDR_A2,
1556						  start_addr,
1557						  xfer_size,
1558						  user_data);
1559		bnx2x_release_phy_lock(bp);
1560		if (rc) {
1561			DP(BNX2X_MSG_ETHTOOL, "Failed reading A2 section\n");
1562			return -EINVAL;
1563		}
1564	}
1565	return rc;
1566}
1567
1568static int bnx2x_get_module_info(struct net_device *dev,
1569				 struct ethtool_modinfo *modinfo)
1570{
1571	struct bnx2x *bp = netdev_priv(dev);
1572	int phy_idx, rc;
1573	u8 sff8472_comp, diag_type;
1574
1575	if (!bnx2x_is_nvm_accessible(bp)) {
1576		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1577		   "cannot access eeprom when the interface is down\n");
1578		return -EAGAIN;
1579	}
1580	phy_idx = bnx2x_get_cur_phy_idx(bp);
1581	bnx2x_acquire_phy_lock(bp);
1582	rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1583					  &bp->link_params,
1584					  I2C_DEV_ADDR_A0,
1585					  SFP_EEPROM_SFF_8472_COMP_ADDR,
1586					  SFP_EEPROM_SFF_8472_COMP_SIZE,
1587					  &sff8472_comp);
1588	bnx2x_release_phy_lock(bp);
1589	if (rc) {
1590		DP(BNX2X_MSG_ETHTOOL, "Failed reading SFF-8472 comp field\n");
1591		return -EINVAL;
1592	}
1593
1594	bnx2x_acquire_phy_lock(bp);
1595	rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1596					  &bp->link_params,
1597					  I2C_DEV_ADDR_A0,
1598					  SFP_EEPROM_DIAG_TYPE_ADDR,
1599					  SFP_EEPROM_DIAG_TYPE_SIZE,
1600					  &diag_type);
1601	bnx2x_release_phy_lock(bp);
1602	if (rc) {
1603		DP(BNX2X_MSG_ETHTOOL, "Failed reading Diag Type field\n");
1604		return -EINVAL;
1605	}
1606
1607	if (!sff8472_comp ||
1608	    (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ) ||
1609	    !(diag_type & SFP_EEPROM_DDM_IMPLEMENTED)) {
1610		modinfo->type = ETH_MODULE_SFF_8079;
1611		modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
1612	} else {
1613		modinfo->type = ETH_MODULE_SFF_8472;
1614		modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1615	}
1616	return 0;
1617}
1618
1619static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
1620				   u32 cmd_flags)
1621{
1622	int count, i, rc;
1623
1624	/* build the command word */
1625	cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
1626
1627	/* need to clear DONE bit separately */
1628	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1629
1630	/* write the data */
1631	REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
1632
1633	/* address of the NVRAM to write to */
1634	REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1635	       (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1636
1637	/* issue the write command */
1638	REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1639
1640	/* adjust timeout for emulation/FPGA */
1641	count = BNX2X_NVRAM_TIMEOUT_COUNT;
1642	if (CHIP_REV_IS_SLOW(bp))
1643		count *= 100;
1644
1645	/* wait for completion */
1646	rc = -EBUSY;
1647	for (i = 0; i < count; i++) {
1648		udelay(5);
1649		val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1650		if (val & MCPR_NVM_COMMAND_DONE) {
1651			rc = 0;
1652			break;
1653		}
1654	}
1655
1656	if (rc == -EBUSY)
1657		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1658		   "nvram write timeout expired\n");
1659	return rc;
1660}
1661
1662#define BYTE_OFFSET(offset)		(8 * (offset & 0x03))
1663
1664static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
1665			      int buf_size)
1666{
1667	int rc;
1668	u32 cmd_flags, align_offset, val;
1669	__be32 val_be;
1670
1671	if (offset + buf_size > bp->common.flash_size) {
1672		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1673		   "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1674		   offset, buf_size, bp->common.flash_size);
1675		return -EINVAL;
1676	}
1677
1678	/* request access to nvram interface */
1679	rc = bnx2x_acquire_nvram_lock(bp);
1680	if (rc)
1681		return rc;
1682
1683	/* enable access to nvram interface */
1684	bnx2x_enable_nvram_access(bp);
1685
1686	cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
1687	align_offset = (offset & ~0x03);
1688	rc = bnx2x_nvram_read_dword(bp, align_offset, &val_be, cmd_flags);
1689
1690	if (rc == 0) {
1691		/* nvram data is returned as an array of bytes
1692		 * convert it back to cpu order
1693		 */
1694		val = be32_to_cpu(val_be);
1695
1696		val &= ~le32_to_cpu((__force __le32)
1697				    (0xff << BYTE_OFFSET(offset)));
1698		val |= le32_to_cpu((__force __le32)
1699				   (*data_buf << BYTE_OFFSET(offset)));
1700
1701		rc = bnx2x_nvram_write_dword(bp, align_offset, val,
1702					     cmd_flags);
1703	}
1704
1705	/* disable access to nvram interface */
1706	bnx2x_disable_nvram_access(bp);
1707	bnx2x_release_nvram_lock(bp);
1708
1709	return rc;
1710}
1711
1712static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
1713			     int buf_size)
1714{
1715	int rc;
1716	u32 cmd_flags;
1717	u32 val;
1718	u32 written_so_far;
1719
1720	if (buf_size == 1)	/* ethtool */
1721		return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
1722
1723	if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1724		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1725		   "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
1726		   offset, buf_size);
1727		return -EINVAL;
1728	}
1729
1730	if (offset + buf_size > bp->common.flash_size) {
1731		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1732		   "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1733		   offset, buf_size, bp->common.flash_size);
1734		return -EINVAL;
1735	}
1736
1737	/* request access to nvram interface */
1738	rc = bnx2x_acquire_nvram_lock(bp);
1739	if (rc)
1740		return rc;
1741
1742	/* enable access to nvram interface */
1743	bnx2x_enable_nvram_access(bp);
1744
1745	written_so_far = 0;
1746	cmd_flags = MCPR_NVM_COMMAND_FIRST;
1747	while ((written_so_far < buf_size) && (rc == 0)) {
1748		if (written_so_far == (buf_size - sizeof(u32)))
1749			cmd_flags |= MCPR_NVM_COMMAND_LAST;
1750		else if (((offset + 4) % BNX2X_NVRAM_PAGE_SIZE) == 0)
1751			cmd_flags |= MCPR_NVM_COMMAND_LAST;
1752		else if ((offset % BNX2X_NVRAM_PAGE_SIZE) == 0)
1753			cmd_flags |= MCPR_NVM_COMMAND_FIRST;
1754
1755		memcpy(&val, data_buf, 4);
1756
1757		/* Notice unlike bnx2x_nvram_read_dword() this will not
1758		 * change val using be32_to_cpu(), which causes data to flip
1759		 * if the eeprom is read and then written back. This is due
1760		 * to tools utilizing this functionality that would break
1761		 * if this would be resolved.
1762		 */
1763		rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
1764
1765		/* advance to the next dword */
1766		offset += sizeof(u32);
1767		data_buf += sizeof(u32);
1768		written_so_far += sizeof(u32);
1769
1770		/* At end of each 4Kb page, release nvram lock to allow MFW
1771		 * chance to take it for its own use.
1772		 */
1773		if ((cmd_flags & MCPR_NVM_COMMAND_LAST) &&
1774		    (written_so_far < buf_size)) {
1775			DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1776			   "Releasing NVM lock after offset 0x%x\n",
1777			   (u32)(offset - sizeof(u32)));
1778			bnx2x_release_nvram_lock(bp);
1779			usleep_range(1000, 2000);
1780			rc = bnx2x_acquire_nvram_lock(bp);
1781			if (rc)
1782				return rc;
1783		}
1784
1785		cmd_flags = 0;
1786	}
1787
1788	/* disable access to nvram interface */
1789	bnx2x_disable_nvram_access(bp);
1790	bnx2x_release_nvram_lock(bp);
1791
1792	return rc;
1793}
1794
1795static int bnx2x_set_eeprom(struct net_device *dev,
1796			    struct ethtool_eeprom *eeprom, u8 *eebuf)
1797{
1798	struct bnx2x *bp = netdev_priv(dev);
1799	int port = BP_PORT(bp);
1800	int rc = 0;
1801	u32 ext_phy_config;
1802
1803	if (!bnx2x_is_nvm_accessible(bp)) {
1804		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1805		   "cannot access eeprom when the interface is down\n");
1806		return -EAGAIN;
1807	}
1808
1809	DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1810	   "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
1811	   eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1812	   eeprom->len, eeprom->len);
1813
1814	/* parameters already validated in ethtool_set_eeprom */
1815
1816	/* PHY eeprom can be accessed only by the PMF */
1817	if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) &&
1818	    !bp->port.pmf) {
1819		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1820		   "wrong magic or interface is not pmf\n");
1821		return -EINVAL;
1822	}
1823
1824	ext_phy_config =
1825		SHMEM_RD(bp,
1826			 dev_info.port_hw_config[port].external_phy_config);
1827
1828	if (eeprom->magic == 0x50485950) {
1829		/* 'PHYP' (0x50485950): prepare phy for FW upgrade */
1830		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1831
1832		bnx2x_acquire_phy_lock(bp);
1833		rc |= bnx2x_link_reset(&bp->link_params,
1834				       &bp->link_vars, 0);
1835		if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1836					PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101)
1837			bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1838				       MISC_REGISTERS_GPIO_HIGH, port);
1839		bnx2x_release_phy_lock(bp);
1840		bnx2x_link_report(bp);
1841
1842	} else if (eeprom->magic == 0x50485952) {
1843		/* 'PHYR' (0x50485952): re-init link after FW upgrade */
1844		if (bp->state == BNX2X_STATE_OPEN) {
1845			bnx2x_acquire_phy_lock(bp);
1846			rc |= bnx2x_link_reset(&bp->link_params,
1847					       &bp->link_vars, 1);
1848
1849			rc |= bnx2x_phy_init(&bp->link_params,
1850					     &bp->link_vars);
1851			bnx2x_release_phy_lock(bp);
1852			bnx2x_calc_fc_adv(bp);
1853		}
1854	} else if (eeprom->magic == 0x53985943) {
1855		/* 'PHYC' (0x53985943): PHY FW upgrade completed */
1856		if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1857				       PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) {
1858
1859			/* DSP Remove Download Mode */
1860			bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1861				       MISC_REGISTERS_GPIO_LOW, port);
1862
1863			bnx2x_acquire_phy_lock(bp);
1864
1865			bnx2x_sfx7101_sp_sw_reset(bp,
1866						&bp->link_params.phy[EXT_PHY1]);
1867
1868			/* wait 0.5 sec to allow it to run */
1869			msleep(500);
1870			bnx2x_ext_phy_hw_reset(bp, port);
1871			msleep(500);
1872			bnx2x_release_phy_lock(bp);
1873		}
1874	} else
1875		rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
1876
1877	return rc;
1878}
1879
1880static int bnx2x_get_coalesce(struct net_device *dev,
1881			      struct ethtool_coalesce *coal)
1882{
1883	struct bnx2x *bp = netdev_priv(dev);
1884
1885	memset(coal, 0, sizeof(struct ethtool_coalesce));
1886
1887	coal->rx_coalesce_usecs = bp->rx_ticks;
1888	coal->tx_coalesce_usecs = bp->tx_ticks;
1889
1890	return 0;
1891}
1892
1893static int bnx2x_set_coalesce(struct net_device *dev,
1894			      struct ethtool_coalesce *coal)
1895{
1896	struct bnx2x *bp = netdev_priv(dev);
1897
1898	bp->rx_ticks = (u16)coal->rx_coalesce_usecs;
1899	if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT)
1900		bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT;
1901
1902	bp->tx_ticks = (u16)coal->tx_coalesce_usecs;
1903	if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT)
1904		bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT;
1905
1906	if (netif_running(dev))
1907		bnx2x_update_coalesce(bp);
1908
1909	return 0;
1910}
1911
1912static void bnx2x_get_ringparam(struct net_device *dev,
1913				struct ethtool_ringparam *ering)
1914{
1915	struct bnx2x *bp = netdev_priv(dev);
1916
1917	ering->rx_max_pending = MAX_RX_AVAIL;
1918
1919	/* If size isn't already set, we give an estimation of the number
1920	 * of buffers we'll have. We're neglecting some possible conditions
1921	 * [we couldn't know for certain at this point if number of queues
1922	 * might shrink] but the number would be correct for the likely
1923	 * scenario.
1924	 */
1925	if (bp->rx_ring_size)
1926		ering->rx_pending = bp->rx_ring_size;
1927	else if (BNX2X_NUM_RX_QUEUES(bp))
1928		ering->rx_pending = MAX_RX_AVAIL / BNX2X_NUM_RX_QUEUES(bp);
1929	else
1930		ering->rx_pending = MAX_RX_AVAIL;
1931
1932	ering->tx_max_pending = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
1933	ering->tx_pending = bp->tx_ring_size;
1934}
1935
1936static int bnx2x_set_ringparam(struct net_device *dev,
1937			       struct ethtool_ringparam *ering)
1938{
1939	struct bnx2x *bp = netdev_priv(dev);
1940
1941	DP(BNX2X_MSG_ETHTOOL,
1942	   "set ring params command parameters: rx_pending = %d, tx_pending = %d\n",
1943	   ering->rx_pending, ering->tx_pending);
1944
1945	if (pci_num_vf(bp->pdev)) {
1946		DP(BNX2X_MSG_IOV,
1947		   "VFs are enabled, can not change ring parameters\n");
1948		return -EPERM;
1949	}
1950
1951	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1952		DP(BNX2X_MSG_ETHTOOL,
1953		   "Handling parity error recovery. Try again later\n");
1954		return -EAGAIN;
1955	}
1956
1957	if ((ering->rx_pending > MAX_RX_AVAIL) ||
1958	    (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
1959						    MIN_RX_SIZE_TPA)) ||
1960	    (ering->tx_pending > (IS_MF_STORAGE_ONLY(bp) ? 0 : MAX_TX_AVAIL)) ||
1961	    (ering->tx_pending <= MAX_SKB_FRAGS + 4)) {
1962		DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
1963		return -EINVAL;
1964	}
1965
1966	bp->rx_ring_size = ering->rx_pending;
1967	bp->tx_ring_size = ering->tx_pending;
1968
1969	return bnx2x_reload_if_running(dev);
1970}
1971
1972static void bnx2x_get_pauseparam(struct net_device *dev,
1973				 struct ethtool_pauseparam *epause)
1974{
1975	struct bnx2x *bp = netdev_priv(dev);
1976	int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1977	int cfg_reg;
1978
1979	epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] ==
1980			   BNX2X_FLOW_CTRL_AUTO);
1981
1982	if (!epause->autoneg)
1983		cfg_reg = bp->link_params.req_flow_ctrl[cfg_idx];
1984	else
1985		cfg_reg = bp->link_params.req_fc_auto_adv;
1986
1987	epause->rx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_RX) ==
1988			    BNX2X_FLOW_CTRL_RX);
1989	epause->tx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_TX) ==
1990			    BNX2X_FLOW_CTRL_TX);
1991
1992	DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
1993	   "  autoneg %d  rx_pause %d  tx_pause %d\n",
1994	   epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1995}
1996
1997static int bnx2x_set_pauseparam(struct net_device *dev,
1998				struct ethtool_pauseparam *epause)
1999{
2000	struct bnx2x *bp = netdev_priv(dev);
2001	u32 cfg_idx = bnx2x_get_link_cfg_idx(bp);
2002	if (IS_MF(bp))
2003		return 0;
2004
2005	DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
2006	   "  autoneg %d  rx_pause %d  tx_pause %d\n",
2007	   epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
2008
2009	bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO;
2010
2011	if (epause->rx_pause)
2012		bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX;
2013
2014	if (epause->tx_pause)
2015		bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX;
2016
2017	if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO)
2018		bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE;
2019
2020	if (epause->autoneg) {
2021		if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
2022			DP(BNX2X_MSG_ETHTOOL, "autoneg not supported\n");
2023			return -EINVAL;
2024		}
2025
2026		if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) {
2027			bp->link_params.req_flow_ctrl[cfg_idx] =
2028				BNX2X_FLOW_CTRL_AUTO;
2029		}
2030		bp->link_params.req_fc_auto_adv = 0;
2031		if (epause->rx_pause)
2032			bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_RX;
2033
2034		if (epause->tx_pause)
2035			bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_TX;
2036
2037		if (!bp->link_params.req_fc_auto_adv)
2038			bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_NONE;
2039	}
2040
2041	DP(BNX2X_MSG_ETHTOOL,
2042	   "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]);
2043
2044	if (netif_running(dev)) {
2045		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2046		bnx2x_force_link_reset(bp);
2047		bnx2x_link_set(bp);
2048	}
2049
2050	return 0;
2051}
2052
2053static const char bnx2x_tests_str_arr[BNX2X_NUM_TESTS_SF][ETH_GSTRING_LEN] = {
2054	"register_test (offline)    ",
2055	"memory_test (offline)      ",
2056	"int_loopback_test (offline)",
2057	"ext_loopback_test (offline)",
2058	"nvram_test (online)        ",
2059	"interrupt_test (online)    ",
2060	"link_test (online)         "
2061};
2062
2063enum {
2064	BNX2X_PRI_FLAG_ISCSI,
2065	BNX2X_PRI_FLAG_FCOE,
2066	BNX2X_PRI_FLAG_STORAGE,
2067	BNX2X_PRI_FLAG_LEN,
2068};
2069
2070static const char bnx2x_private_arr[BNX2X_PRI_FLAG_LEN][ETH_GSTRING_LEN] = {
2071	"iSCSI offload support",
2072	"FCoE offload support",
2073	"Storage only interface"
2074};
2075
2076static u32 bnx2x_eee_to_adv(u32 eee_adv)
2077{
2078	u32 modes = 0;
2079
2080	if (eee_adv & SHMEM_EEE_100M_ADV)
2081		modes |= ADVERTISED_100baseT_Full;
2082	if (eee_adv & SHMEM_EEE_1G_ADV)
2083		modes |= ADVERTISED_1000baseT_Full;
2084	if (eee_adv & SHMEM_EEE_10G_ADV)
2085		modes |= ADVERTISED_10000baseT_Full;
2086
2087	return modes;
2088}
2089
2090static u32 bnx2x_adv_to_eee(u32 modes, u32 shift)
2091{
2092	u32 eee_adv = 0;
2093	if (modes & ADVERTISED_100baseT_Full)
2094		eee_adv |= SHMEM_EEE_100M_ADV;
2095	if (modes & ADVERTISED_1000baseT_Full)
2096		eee_adv |= SHMEM_EEE_1G_ADV;
2097	if (modes & ADVERTISED_10000baseT_Full)
2098		eee_adv |= SHMEM_EEE_10G_ADV;
2099
2100	return eee_adv << shift;
2101}
2102
2103static int bnx2x_get_eee(struct net_device *dev, struct ethtool_eee *edata)
2104{
2105	struct bnx2x *bp = netdev_priv(dev);
2106	u32 eee_cfg;
2107
2108	if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
2109		DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
2110		return -EOPNOTSUPP;
2111	}
2112
2113	eee_cfg = bp->link_vars.eee_status;
2114
2115	edata->supported =
2116		bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_SUPPORTED_MASK) >>
2117				 SHMEM_EEE_SUPPORTED_SHIFT);
2118
2119	edata->advertised =
2120		bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_ADV_STATUS_MASK) >>
2121				 SHMEM_EEE_ADV_STATUS_SHIFT);
2122	edata->lp_advertised =
2123		bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_LP_ADV_STATUS_MASK) >>
2124				 SHMEM_EEE_LP_ADV_STATUS_SHIFT);
2125
2126	/* SHMEM value is in 16u units --> Convert to 1u units. */
2127	edata->tx_lpi_timer = (eee_cfg & SHMEM_EEE_TIMER_MASK) << 4;
2128
2129	edata->eee_enabled    = (eee_cfg & SHMEM_EEE_REQUESTED_BIT)	? 1 : 0;
2130	edata->eee_active     = (eee_cfg & SHMEM_EEE_ACTIVE_BIT)	? 1 : 0;
2131	edata->tx_lpi_enabled = (eee_cfg & SHMEM_EEE_LPI_REQUESTED_BIT) ? 1 : 0;
2132
2133	return 0;
2134}
2135
2136static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata)
2137{
2138	struct bnx2x *bp = netdev_priv(dev);
2139	u32 eee_cfg;
2140	u32 advertised;
2141
2142	if (IS_MF(bp))
2143		return 0;
2144
2145	if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
2146		DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
2147		return -EOPNOTSUPP;
2148	}
2149
2150	eee_cfg = bp->link_vars.eee_status;
2151
2152	if (!(eee_cfg & SHMEM_EEE_SUPPORTED_MASK)) {
2153		DP(BNX2X_MSG_ETHTOOL, "Board does not support EEE!\n");
2154		return -EOPNOTSUPP;
2155	}
2156
2157	advertised = bnx2x_adv_to_eee(edata->advertised,
2158				      SHMEM_EEE_ADV_STATUS_SHIFT);
2159	if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) {
2160		DP(BNX2X_MSG_ETHTOOL,
2161		   "Direct manipulation of EEE advertisement is not supported\n");
2162		return -EINVAL;
2163	}
2164
2165	if (edata->tx_lpi_timer > EEE_MODE_TIMER_MASK) {
2166		DP(BNX2X_MSG_ETHTOOL,
2167		   "Maximal Tx Lpi timer supported is %x(u)\n",
2168		   EEE_MODE_TIMER_MASK);
2169		return -EINVAL;
2170	}
2171	if (edata->tx_lpi_enabled &&
2172	    (edata->tx_lpi_timer < EEE_MODE_NVRAM_AGGRESSIVE_TIME)) {
2173		DP(BNX2X_MSG_ETHTOOL,
2174		   "Minimal Tx Lpi timer supported is %d(u)\n",
2175		   EEE_MODE_NVRAM_AGGRESSIVE_TIME);
2176		return -EINVAL;
2177	}
2178
2179	/* All is well; Apply changes*/
2180	if (edata->eee_enabled)
2181		bp->link_params.eee_mode |= EEE_MODE_ADV_LPI;
2182	else
2183		bp->link_params.eee_mode &= ~EEE_MODE_ADV_LPI;
2184
2185	if (edata->tx_lpi_enabled)
2186		bp->link_params.eee_mode |= EEE_MODE_ENABLE_LPI;
2187	else
2188		bp->link_params.eee_mode &= ~EEE_MODE_ENABLE_LPI;
2189
2190	bp->link_params.eee_mode &= ~EEE_MODE_TIMER_MASK;
2191	bp->link_params.eee_mode |= (edata->tx_lpi_timer &
2192				    EEE_MODE_TIMER_MASK) |
2193				    EEE_MODE_OVERRIDE_NVRAM |
2194				    EEE_MODE_OUTPUT_TIME;
2195
2196	/* Restart link to propagate changes */
2197	if (netif_running(dev)) {
2198		bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2199		bnx2x_force_link_reset(bp);
2200		bnx2x_link_set(bp);
2201	}
2202
2203	return 0;
2204}
2205
2206enum {
2207	BNX2X_CHIP_E1_OFST = 0,
2208	BNX2X_CHIP_E1H_OFST,
2209	BNX2X_CHIP_E2_OFST,
2210	BNX2X_CHIP_E3_OFST,
2211	BNX2X_CHIP_E3B0_OFST,
2212	BNX2X_CHIP_MAX_OFST
2213};
2214
2215#define BNX2X_CHIP_MASK_E1	(1 << BNX2X_CHIP_E1_OFST)
2216#define BNX2X_CHIP_MASK_E1H	(1 << BNX2X_CHIP_E1H_OFST)
2217#define BNX2X_CHIP_MASK_E2	(1 << BNX2X_CHIP_E2_OFST)
2218#define BNX2X_CHIP_MASK_E3	(1 << BNX2X_CHIP_E3_OFST)
2219#define BNX2X_CHIP_MASK_E3B0	(1 << BNX2X_CHIP_E3B0_OFST)
2220
2221#define BNX2X_CHIP_MASK_ALL	((1 << BNX2X_CHIP_MAX_OFST) - 1)
2222#define BNX2X_CHIP_MASK_E1X	(BNX2X_CHIP_MASK_E1 | BNX2X_CHIP_MASK_E1H)
2223
2224static int bnx2x_test_registers(struct bnx2x *bp)
2225{
2226	int idx, i, rc = -ENODEV;
2227	u32 wr_val = 0, hw;
2228	int port = BP_PORT(bp);
2229	static const struct {
2230		u32 hw;
2231		u32 offset0;
2232		u32 offset1;
2233		u32 mask;
2234	} reg_tbl[] = {
2235/* 0 */		{ BNX2X_CHIP_MASK_ALL,
2236			BRB1_REG_PAUSE_LOW_THRESHOLD_0,	4, 0x000003ff },
2237		{ BNX2X_CHIP_MASK_ALL,
2238			DORQ_REG_DB_ADDR0,		4, 0xffffffff },
2239		{ BNX2X_CHIP_MASK_E1X,
2240			HC_REG_AGG_INT_0,		4, 0x000003ff },
2241		{ BNX2X_CHIP_MASK_ALL,
2242			PBF_REG_MAC_IF0_ENABLE,		4, 0x00000001 },
2243		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2 | BNX2X_CHIP_MASK_E3,
2244			PBF_REG_P0_INIT_CRD,		4, 0x000007ff },
2245		{ BNX2X_CHIP_MASK_E3B0,
2246			PBF_REG_INIT_CRD_Q0,		4, 0x000007ff },
2247		{ BNX2X_CHIP_MASK_ALL,
2248			PRS_REG_CID_PORT_0,		4, 0x00ffffff },
2249		{ BNX2X_CHIP_MASK_ALL,
2250			PXP2_REG_PSWRQ_CDU0_L2P,	4, 0x000fffff },
2251		{ BNX2X_CHIP_MASK_ALL,
2252			PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
2253		{ BNX2X_CHIP_MASK_ALL,
2254			PXP2_REG_PSWRQ_TM0_L2P,		4, 0x000fffff },
2255/* 10 */	{ BNX2X_CHIP_MASK_ALL,
2256			PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
2257		{ BNX2X_CHIP_MASK_ALL,
2258			PXP2_REG_PSWRQ_TSDM0_L2P,	4, 0x000fffff },
2259		{ BNX2X_CHIP_MASK_ALL,
2260			QM_REG_CONNNUM_0,		4, 0x000fffff },
2261		{ BNX2X_CHIP_MASK_ALL,
2262			TM_REG_LIN0_MAX_ACTIVE_CID,	4, 0x0003ffff },
2263		{ BNX2X_CHIP_MASK_ALL,
2264			SRC_REG_KEYRSS0_0,		40, 0xffffffff },
2265		{ BNX2X_CHIP_MASK_ALL,
2266			SRC_REG_KEYRSS0_7,		40, 0xffffffff },
2267		{ BNX2X_CHIP_MASK_ALL,
2268			XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
2269		{ BNX2X_CHIP_MASK_ALL,
2270			XCM_REG_WU_DA_CNT_CMD00,	4, 0x00000003 },
2271		{ BNX2X_CHIP_MASK_ALL,
2272			XCM_REG_GLB_DEL_ACK_MAX_CNT_0,	4, 0x000000ff },
2273		{ BNX2X_CHIP_MASK_ALL,
2274			NIG_REG_LLH0_T_BIT,		4, 0x00000001 },
2275/* 20 */	{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2276			NIG_REG_EMAC0_IN_EN,		4, 0x00000001 },
2277		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2278			NIG_REG_BMAC0_IN_EN,		4, 0x00000001 },
2279		{ BNX2X_CHIP_MASK_ALL,
2280			NIG_REG_XCM0_OUT_EN,		4, 0x00000001 },
2281		{ BNX2X_CHIP_MASK_ALL,
2282			NIG_REG_BRB0_OUT_EN,		4, 0x00000001 },
2283		{ BNX2X_CHIP_MASK_ALL,
2284			NIG_REG_LLH0_XCM_MASK,		4, 0x00000007 },
2285		{ BNX2X_CHIP_MASK_ALL,
2286			NIG_REG_LLH0_ACPI_PAT_6_LEN,	68, 0x000000ff },
2287		{ BNX2X_CHIP_MASK_ALL,
2288			NIG_REG_LLH0_ACPI_PAT_0_CRC,	68, 0xffffffff },
2289		{ BNX2X_CHIP_MASK_ALL,
2290			NIG_REG_LLH0_DEST_MAC_0_0,	160, 0xffffffff },
2291		{ BNX2X_CHIP_MASK_ALL,
2292			NIG_REG_LLH0_DEST_IP_0_1,	160, 0xffffffff },
2293		{ BNX2X_CHIP_MASK_ALL,
2294			NIG_REG_LLH0_IPV4_IPV6_0,	160, 0x00000001 },
2295/* 30 */	{ BNX2X_CHIP_MASK_ALL,
2296			NIG_REG_LLH0_DEST_UDP_0,	160, 0x0000ffff },
2297		{ BNX2X_CHIP_MASK_ALL,
2298			NIG_REG_LLH0_DEST_TCP_0,	160, 0x0000ffff },
2299		{ BNX2X_CHIP_MASK_ALL,
2300			NIG_REG_LLH0_VLAN_ID_0,	160, 0x00000fff },
2301		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2302			NIG_REG_XGXS_SERDES0_MODE_SEL,	4, 0x00000001 },
2303		{ BNX2X_CHIP_MASK_ALL,
2304			NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001},
2305		{ BNX2X_CHIP_MASK_ALL,
2306			NIG_REG_STATUS_INTERRUPT_PORT0,	4, 0x07ffffff },
2307		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2308			NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
2309		{ BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2310			NIG_REG_SERDES0_CTRL_PHY_ADDR,	16, 0x0000001f },
2311
2312		{ BNX2X_CHIP_MASK_ALL, 0xffffffff, 0, 0x00000000 }
2313	};
2314
2315	if (!bnx2x_is_nvm_accessible(bp)) {
2316		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2317		   "cannot access eeprom when the interface is down\n");
2318		return rc;
2319	}
2320
2321	if (CHIP_IS_E1(bp))
2322		hw = BNX2X_CHIP_MASK_E1;
2323	else if (CHIP_IS_E1H(bp))
2324		hw = BNX2X_CHIP_MASK_E1H;
2325	else if (CHIP_IS_E2(bp))
2326		hw = BNX2X_CHIP_MASK_E2;
2327	else if (CHIP_IS_E3B0(bp))
2328		hw = BNX2X_CHIP_MASK_E3B0;
2329	else /* e3 A0 */
2330		hw = BNX2X_CHIP_MASK_E3;
2331
2332	/* Repeat the test twice:
2333	 * First by writing 0x00000000, second by writing 0xffffffff
2334	 */
2335	for (idx = 0; idx < 2; idx++) {
2336
2337		switch (idx) {
2338		case 0:
2339			wr_val = 0;
2340			break;
2341		case 1:
2342			wr_val = 0xffffffff;
2343			break;
2344		}
2345
2346		for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
2347			u32 offset, mask, save_val, val;
2348			if (!(hw & reg_tbl[i].hw))
2349				continue;
2350
2351			offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
2352			mask = reg_tbl[i].mask;
2353
2354			save_val = REG_RD(bp, offset);
2355
2356			REG_WR(bp, offset, wr_val & mask);
2357
2358			val = REG_RD(bp, offset);
2359
2360			/* Restore the original register's value */
2361			REG_WR(bp, offset, save_val);
2362
2363			/* verify value is as expected */
2364			if ((val & mask) != (wr_val & mask)) {
2365				DP(BNX2X_MSG_ETHTOOL,
2366				   "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n",
2367				   offset, val, wr_val, mask);
2368				goto test_reg_exit;
2369			}
2370		}
2371	}
2372
2373	rc = 0;
2374
2375test_reg_exit:
2376	return rc;
2377}
2378
2379static int bnx2x_test_memory(struct bnx2x *bp)
2380{
2381	int i, j, rc = -ENODEV;
2382	u32 val, index;
2383	static const struct {
2384		u32 offset;
2385		int size;
2386	} mem_tbl[] = {
2387		{ CCM_REG_XX_DESCR_TABLE,   CCM_REG_XX_DESCR_TABLE_SIZE },
2388		{ CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
2389		{ CFC_REG_LINK_LIST,        CFC_REG_LINK_LIST_SIZE },
2390		{ DMAE_REG_CMD_MEM,         DMAE_REG_CMD_MEM_SIZE },
2391		{ TCM_REG_XX_DESCR_TABLE,   TCM_REG_XX_DESCR_TABLE_SIZE },
2392		{ UCM_REG_XX_DESCR_TABLE,   UCM_REG_XX_DESCR_TABLE_SIZE },
2393		{ XCM_REG_XX_DESCR_TABLE,   XCM_REG_XX_DESCR_TABLE_SIZE },
2394
2395		{ 0xffffffff, 0 }
2396	};
2397
2398	static const struct {
2399		char *name;
2400		u32 offset;
2401		u32 hw_mask[BNX2X_CHIP_MAX_OFST];
2402	} prty_tbl[] = {
2403		{ "CCM_PRTY_STS",  CCM_REG_CCM_PRTY_STS,
2404			{0x3ffc0, 0,   0, 0} },
2405		{ "CFC_PRTY_STS",  CFC_REG_CFC_PRTY_STS,
2406			{0x2,     0x2, 0, 0} },
2407		{ "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS,
2408			{0,       0,   0, 0} },
2409		{ "TCM_PRTY_STS",  TCM_REG_TCM_PRTY_STS,
2410			{0x3ffc0, 0,   0, 0} },
2411		{ "UCM_PRTY_STS",  UCM_REG_UCM_PRTY_STS,
2412			{0x3ffc0, 0,   0, 0} },
2413		{ "XCM_PRTY_STS",  XCM_REG_XCM_PRTY_STS,
2414			{0x3ffc1, 0,   0, 0} },
2415
2416		{ NULL, 0xffffffff, {0, 0, 0, 0} }
2417	};
2418
2419	if (!bnx2x_is_nvm_accessible(bp)) {
2420		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2421		   "cannot access eeprom when the interface is down\n");
2422		return rc;
2423	}
2424
2425	if (CHIP_IS_E1(bp))
2426		index = BNX2X_CHIP_E1_OFST;
2427	else if (CHIP_IS_E1H(bp))
2428		index = BNX2X_CHIP_E1H_OFST;
2429	else if (CHIP_IS_E2(bp))
2430		index = BNX2X_CHIP_E2_OFST;
2431	else /* e3 */
2432		index = BNX2X_CHIP_E3_OFST;
2433
2434	/* pre-Check the parity status */
2435	for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
2436		val = REG_RD(bp, prty_tbl[i].offset);
2437		if (val & ~(prty_tbl[i].hw_mask[index])) {
2438			DP(BNX2X_MSG_ETHTOOL,
2439			   "%s is 0x%x\n", prty_tbl[i].name, val);
2440			goto test_mem_exit;
2441		}
2442	}
2443
2444	/* Go through all the memories */
2445	for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
2446		for (j = 0; j < mem_tbl[i].size; j++)
2447			REG_RD(bp, mem_tbl[i].offset + j*4);
2448
2449	/* Check the parity status */
2450	for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
2451		val = REG_RD(bp, prty_tbl[i].offset);
2452		if (val & ~(prty_tbl[i].hw_mask[index])) {
2453			DP(BNX2X_MSG_ETHTOOL,
2454			   "%s is 0x%x\n", prty_tbl[i].name, val);
2455			goto test_mem_exit;
2456		}
2457	}
2458
2459	rc = 0;
2460
2461test_mem_exit:
2462	return rc;
2463}
2464
2465static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes)
2466{
2467	int cnt = 1400;
2468
2469	if (link_up) {
2470		while (bnx2x_link_test(bp, is_serdes) && cnt--)
2471			msleep(20);
2472
2473		if (cnt <= 0 && bnx2x_link_test(bp, is_serdes))
2474			DP(BNX2X_MSG_ETHTOOL, "Timeout waiting for link up\n");
2475
2476		cnt = 1400;
2477		while (!bp->link_vars.link_up && cnt--)
2478			msleep(20);
2479
2480		if (cnt <= 0 && !bp->link_vars.link_up)
2481			DP(BNX2X_MSG_ETHTOOL,
2482			   "Timeout waiting for link init\n");
2483	}
2484}
2485
2486static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode)
2487{
2488	unsigned int pkt_size, num_pkts, i;
2489	struct sk_buff *skb;
2490	unsigned char *packet;
2491	struct bnx2x_fastpath *fp_rx = &bp->fp[0];
2492	struct bnx2x_fastpath *fp_tx = &bp->fp[0];
2493	struct bnx2x_fp_txdata *txdata = fp_tx->txdata_ptr[0];
2494	u16 tx_start_idx, tx_idx;
2495	u16 rx_start_idx, rx_idx;
2496	u16 pkt_prod, bd_prod;
2497	struct sw_tx_bd *tx_buf;
2498	struct eth_tx_start_bd *tx_start_bd;
2499	dma_addr_t mapping;
2500	union eth_rx_cqe *cqe;
2501	u8 cqe_fp_flags, cqe_fp_type;
2502	struct sw_rx_bd *rx_buf;
2503	u16 len;
2504	int rc = -ENODEV;
2505	u8 *data;
2506	struct netdev_queue *txq = netdev_get_tx_queue(bp->dev,
2507						       txdata->txq_index);
2508
2509	/* check the loopback mode */
2510	switch (loopback_mode) {
2511	case BNX2X_PHY_LOOPBACK:
2512		if (bp->link_params.loopback_mode != LOOPBACK_XGXS) {
2513			DP(BNX2X_MSG_ETHTOOL, "PHY loopback not supported\n");
2514			return -EINVAL;
2515		}
2516		break;
2517	case BNX2X_MAC_LOOPBACK:
2518		if (CHIP_IS_E3(bp)) {
2519			int cfg_idx = bnx2x_get_link_cfg_idx(bp);
2520			if (bp->port.supported[cfg_idx] &
2521			    (SUPPORTED_10000baseT_Full |
2522			     SUPPORTED_20000baseMLD2_Full |
2523			     SUPPORTED_20000baseKR2_Full))
2524				bp->link_params.loopback_mode = LOOPBACK_XMAC;
2525			else
2526				bp->link_params.loopback_mode = LOOPBACK_UMAC;
2527		} else
2528			bp->link_params.loopback_mode = LOOPBACK_BMAC;
2529
2530		bnx2x_phy_init(&bp->link_params, &bp->link_vars);
2531		break;
2532	case BNX2X_EXT_LOOPBACK:
2533		if (bp->link_params.loopback_mode != LOOPBACK_EXT) {
2534			DP(BNX2X_MSG_ETHTOOL,
2535			   "Can't configure external loopback\n");
2536			return -EINVAL;
2537		}
2538		break;
2539	default:
2540		DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
2541		return -EINVAL;
2542	}
2543
2544	/* prepare the loopback packet */
2545	pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ?
2546		     bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN);
2547	skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size);
2548	if (!skb) {
2549		DP(BNX2X_MSG_ETHTOOL, "Can't allocate skb\n");
2550		rc = -ENOMEM;
2551		goto test_loopback_exit;
2552	}
2553	packet = skb_put(skb, pkt_size);
2554	memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
2555	eth_zero_addr(packet + ETH_ALEN);
2556	memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN));
2557	for (i = ETH_HLEN; i < pkt_size; i++)
2558		packet[i] = (unsigned char) (i & 0xff);
2559	mapping = dma_map_single(&bp->pdev->dev, skb->data,
2560				 skb_headlen(skb), DMA_TO_DEVICE);
2561	if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
2562		rc = -ENOMEM;
2563		dev_kfree_skb(skb);
2564		DP(BNX2X_MSG_ETHTOOL, "Unable to map SKB\n");
2565		goto test_loopback_exit;
2566	}
2567
2568	/* send the loopback packet */
2569	num_pkts = 0;
2570	tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb);
2571	rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
2572
2573	netdev_tx_sent_queue(txq, skb->len);
2574
2575	pkt_prod = txdata->tx_pkt_prod++;
2576	tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)];
2577	tx_buf->first_bd = txdata->tx_bd_prod;
2578	tx_buf->skb = skb;
2579	tx_buf->flags = 0;
2580
2581	bd_prod = TX_BD(txdata->tx_bd_prod);
2582	tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd;
2583	tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
2584	tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
2585	tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
2586	tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb));
2587	tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
2588	tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
2589	SET_FLAG(tx_start_bd->general_data,
2590		 ETH_TX_START_BD_HDR_NBDS,
2591		 1);
2592	SET_FLAG(tx_start_bd->general_data,
2593		 ETH_TX_START_BD_PARSE_NBDS,
2594		 0);
2595
2596	/* turn on parsing and get a BD */
2597	bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
2598
2599	if (CHIP_IS_E1x(bp)) {
2600		u16 global_data = 0;
2601		struct eth_tx_parse_bd_e1x  *pbd_e1x =
2602			&txdata->tx_desc_ring[bd_prod].parse_bd_e1x;
2603		memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
2604		SET_FLAG(global_data,
2605			 ETH_TX_PARSE_BD_E1X_ETH_ADDR_TYPE, UNICAST_ADDRESS);
2606		pbd_e1x->global_data = cpu_to_le16(global_data);
2607	} else {
2608		u32 parsing_data = 0;
2609		struct eth_tx_parse_bd_e2  *pbd_e2 =
2610			&txdata->tx_desc_ring[bd_prod].parse_bd_e2;
2611		memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
2612		SET_FLAG(parsing_data,
2613			 ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE, UNICAST_ADDRESS);
2614		pbd_e2->parsing_data = cpu_to_le32(parsing_data);
2615	}
2616	wmb();
2617
2618	txdata->tx_db.data.prod += 2;
2619	/* make sure descriptor update is observed by the HW */
2620	wmb();
2621	DOORBELL_RELAXED(bp, txdata->cid, txdata->tx_db.raw);
2622
2623	barrier();
2624
2625	num_pkts++;
2626	txdata->tx_bd_prod += 2; /* start + pbd */
2627
2628	udelay(100);
2629
2630	tx_idx = le16_to_cpu(*txdata->tx_cons_sb);
2631	if (tx_idx != tx_start_idx + num_pkts)
2632		goto test_loopback_exit;
2633
2634	/* Unlike HC IGU won't generate an interrupt for status block
2635	 * updates that have been performed while interrupts were
2636	 * disabled.
2637	 */
2638	if (bp->common.int_block == INT_BLOCK_IGU) {
2639		/* Disable local BHes to prevent a dead-lock situation between
2640		 * sch_direct_xmit() and bnx2x_run_loopback() (calling
2641		 * bnx2x_tx_int()), as both are taking netif_tx_lock().
2642		 */
2643		local_bh_disable();
2644		bnx2x_tx_int(bp, txdata);
2645		local_bh_enable();
2646	}
2647
2648	rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
2649	if (rx_idx != rx_start_idx + num_pkts)
2650		goto test_loopback_exit;
2651
2652	cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)];
2653	cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
2654	cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE;
2655	if (!CQE_TYPE_FAST(cqe_fp_type) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
2656		goto test_loopback_rx_exit;
2657
2658	len = le16_to_cpu(cqe->fast_path_cqe.pkt_len_or_gro_seg_len);
2659	if (len != pkt_size)
2660		goto test_loopback_rx_exit;
2661
2662	rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)];
2663	dma_sync_single_for_cpu(&bp->pdev->dev,
2664				   dma_unmap_addr(rx_buf, mapping),
2665				   fp_rx->rx_buf_size, DMA_FROM_DEVICE);
2666	data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset;
2667	for (i = ETH_HLEN; i < pkt_size; i++)
2668		if (*(data + i) != (unsigned char) (i & 0xff))
2669			goto test_loopback_rx_exit;
2670
2671	rc = 0;
2672
2673test_loopback_rx_exit:
2674
2675	fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons);
2676	fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod);
2677	fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons);
2678	fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod);
2679
2680	/* Update producers */
2681	bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod,
2682			     fp_rx->rx_sge_prod);
2683
2684test_loopback_exit:
2685	bp->link_params.loopback_mode = LOOPBACK_NONE;
2686
2687	return rc;
2688}
2689
2690static int bnx2x_test_loopback(struct bnx2x *bp)
2691{
2692	int rc = 0, res;
2693
2694	if (BP_NOMCP(bp))
2695		return rc;
2696
2697	if (!netif_running(bp->dev))
2698		return BNX2X_LOOPBACK_FAILED;
2699
2700	bnx2x_netif_stop(bp, 1);
2701	bnx2x_acquire_phy_lock(bp);
2702
2703	res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK);
2704	if (res) {
2705		DP(BNX2X_MSG_ETHTOOL, "  PHY loopback failed  (res %d)\n", res);
2706		rc |= BNX2X_PHY_LOOPBACK_FAILED;
2707	}
2708
2709	res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK);
2710	if (res) {
2711		DP(BNX2X_MSG_ETHTOOL, "  MAC loopback failed  (res %d)\n", res);
2712		rc |= BNX2X_MAC_LOOPBACK_FAILED;
2713	}
2714
2715	bnx2x_release_phy_lock(bp);
2716	bnx2x_netif_start(bp);
2717
2718	return rc;
2719}
2720
2721static int bnx2x_test_ext_loopback(struct bnx2x *bp)
2722{
2723	int rc;
2724	u8 is_serdes =
2725		(bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
2726
2727	if (BP_NOMCP(bp))
2728		return -ENODEV;
2729
2730	if (!netif_running(bp->dev))
2731		return BNX2X_EXT_LOOPBACK_FAILED;
2732
2733	bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
2734	rc = bnx2x_nic_load(bp, LOAD_LOOPBACK_EXT);
2735	if (rc) {
2736		DP(BNX2X_MSG_ETHTOOL,
2737		   "Can't perform self-test, nic_load (for external lb) failed\n");
2738		return -ENODEV;
2739	}
2740	bnx2x_wait_for_link(bp, 1, is_serdes);
2741
2742	bnx2x_netif_stop(bp, 1);
2743
2744	rc = bnx2x_run_loopback(bp, BNX2X_EXT_LOOPBACK);
2745	if (rc)
2746		DP(BNX2X_MSG_ETHTOOL, "EXT loopback failed  (res %d)\n", rc);
2747
2748	bnx2x_netif_start(bp);
2749
2750	return rc;
2751}
2752
2753struct code_entry {
2754	u32 sram_start_addr;
2755	u32 code_attribute;
2756#define CODE_IMAGE_TYPE_MASK			0xf0800003
2757#define CODE_IMAGE_VNTAG_PROFILES_DATA		0xd0000003
2758#define CODE_IMAGE_LENGTH_MASK			0x007ffffc
2759#define CODE_IMAGE_TYPE_EXTENDED_DIR		0xe0000000
2760	u32 nvm_start_addr;
2761};
2762
2763#define CODE_ENTRY_MAX			16
2764#define CODE_ENTRY_EXTENDED_DIR_IDX	15
2765#define MAX_IMAGES_IN_EXTENDED_DIR	64
2766#define NVRAM_DIR_OFFSET		0x14
2767
2768#define EXTENDED_DIR_EXISTS(code)					  \
2769	((code & CODE_IMAGE_TYPE_MASK) == CODE_IMAGE_TYPE_EXTENDED_DIR && \
2770	 (code & CODE_IMAGE_LENGTH_MASK) != 0)
2771
2772#define CRC32_RESIDUAL			0xdebb20e3
2773#define CRC_BUFF_SIZE			256
2774
2775static int bnx2x_nvram_crc(struct bnx2x *bp,
2776			   int offset,
2777			   int size,
2778			   u8 *buff)
2779{
2780	u32 crc = ~0;
2781	int rc = 0, done = 0;
2782
2783	DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2784	   "NVRAM CRC from 0x%08x to 0x%08x\n", offset, offset + size);
2785
2786	while (done < size) {
2787		int count = min_t(int, size - done, CRC_BUFF_SIZE);
2788
2789		rc = bnx2x_nvram_read(bp, offset + done, buff, count);
2790
2791		if (rc)
2792			return rc;
2793
2794		crc = crc32_le(crc, buff, count);
2795		done += count;
2796	}
2797
2798	if (crc != CRC32_RESIDUAL)
2799		rc = -EINVAL;
2800
2801	return rc;
2802}
2803
2804static int bnx2x_test_nvram_dir(struct bnx2x *bp,
2805				struct code_entry *entry,
2806				u8 *buff)
2807{
2808	size_t size = entry->code_attribute & CODE_IMAGE_LENGTH_MASK;
2809	u32 type = entry->code_attribute & CODE_IMAGE_TYPE_MASK;
2810	int rc;
2811
2812	/* Zero-length images and AFEX profiles do not have CRC */
2813	if (size == 0 || type == CODE_IMAGE_VNTAG_PROFILES_DATA)
2814		return 0;
2815
2816	rc = bnx2x_nvram_crc(bp, entry->nvm_start_addr, size, buff);
2817	if (rc)
2818		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2819		   "image %x has failed crc test (rc %d)\n", type, rc);
2820
2821	return rc;
2822}
2823
2824static int bnx2x_test_dir_entry(struct bnx2x *bp, u32 addr, u8 *buff)
2825{
2826	int rc;
2827	struct code_entry entry;
2828
2829	rc = bnx2x_nvram_read32(bp, addr, (u32 *)&entry, sizeof(entry));
2830	if (rc)
2831		return rc;
2832
2833	return bnx2x_test_nvram_dir(bp, &entry, buff);
2834}
2835
2836static int bnx2x_test_nvram_ext_dirs(struct bnx2x *bp, u8 *buff)
2837{
2838	u32 rc, cnt, dir_offset = NVRAM_DIR_OFFSET;
2839	struct code_entry entry;
2840	int i;
2841
2842	rc = bnx2x_nvram_read32(bp,
2843				dir_offset +
2844				sizeof(entry) * CODE_ENTRY_EXTENDED_DIR_IDX,
2845				(u32 *)&entry, sizeof(entry));
2846	if (rc)
2847		return rc;
2848
2849	if (!EXTENDED_DIR_EXISTS(entry.code_attribute))
2850		return 0;
2851
2852	rc = bnx2x_nvram_read32(bp, entry.nvm_start_addr,
2853				&cnt, sizeof(u32));
2854	if (rc)
2855		return rc;
2856
2857	dir_offset = entry.nvm_start_addr + 8;
2858
2859	for (i = 0; i < cnt && i < MAX_IMAGES_IN_EXTENDED_DIR; i++) {
2860		rc = bnx2x_test_dir_entry(bp, dir_offset +
2861					      sizeof(struct code_entry) * i,
2862					  buff);
2863		if (rc)
2864			return rc;
2865	}
2866
2867	return 0;
2868}
2869
2870static int bnx2x_test_nvram_dirs(struct bnx2x *bp, u8 *buff)
2871{
2872	u32 rc, dir_offset = NVRAM_DIR_OFFSET;
2873	int i;
2874
2875	DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "NVRAM DIRS CRC test-set\n");
2876
2877	for (i = 0; i < CODE_ENTRY_EXTENDED_DIR_IDX; i++) {
2878		rc = bnx2x_test_dir_entry(bp, dir_offset +
2879					      sizeof(struct code_entry) * i,
2880					  buff);
2881		if (rc)
2882			return rc;
2883	}
2884
2885	return bnx2x_test_nvram_ext_dirs(bp, buff);
2886}
2887
2888struct crc_pair {
2889	int offset;
2890	int size;
2891};
2892
2893static int bnx2x_test_nvram_tbl(struct bnx2x *bp,
2894				const struct crc_pair *nvram_tbl, u8 *buf)
2895{
2896	int i;
2897
2898	for (i = 0; nvram_tbl[i].size; i++) {
2899		int rc = bnx2x_nvram_crc(bp, nvram_tbl[i].offset,
2900					 nvram_tbl[i].size, buf);
2901		if (rc) {
2902			DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2903			   "nvram_tbl[%d] has failed crc test (rc %d)\n",
2904			   i, rc);
2905			return rc;
2906		}
2907	}
2908
2909	return 0;
2910}
2911
2912static int bnx2x_test_nvram(struct bnx2x *bp)
2913{
2914	static const struct crc_pair nvram_tbl[] = {
2915		{     0,  0x14 }, /* bootstrap */
2916		{  0x14,  0xec }, /* dir */
2917		{ 0x100, 0x350 }, /* manuf_info */
2918		{ 0x450,  0xf0 }, /* feature_info */
2919		{ 0x640,  0x64 }, /* upgrade_key_info */
2920		{ 0x708,  0x70 }, /* manuf_key_info */
2921		{     0,     0 }
2922	};
2923	static const struct crc_pair nvram_tbl2[] = {
2924		{ 0x7e8, 0x350 }, /* manuf_info2 */
2925		{ 0xb38,  0xf0 }, /* feature_info */
2926		{     0,     0 }
2927	};
2928
2929	u8 *buf;
2930	int rc;
2931	u32 magic;
2932
2933	if (BP_NOMCP(bp))
2934		return 0;
2935
2936	buf = kmalloc(CRC_BUFF_SIZE, GFP_KERNEL);
2937	if (!buf) {
2938		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "kmalloc failed\n");
2939		rc = -ENOMEM;
2940		goto test_nvram_exit;
2941	}
2942
2943	rc = bnx2x_nvram_read32(bp, 0, &magic, sizeof(magic));
2944	if (rc) {
2945		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2946		   "magic value read (rc %d)\n", rc);
2947		goto test_nvram_exit;
2948	}
2949
2950	if (magic != 0x669955aa) {
2951		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2952		   "wrong magic value (0x%08x)\n", magic);
2953		rc = -ENODEV;
2954		goto test_nvram_exit;
2955	}
2956
2957	DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "Port 0 CRC test-set\n");
2958	rc = bnx2x_test_nvram_tbl(bp, nvram_tbl, buf);
2959	if (rc)
2960		goto test_nvram_exit;
2961
2962	if (!CHIP_IS_E1x(bp) && !CHIP_IS_57811xx(bp)) {
2963		u32 hide = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
2964			   SHARED_HW_CFG_HIDE_PORT1;
2965
2966		if (!hide) {
2967			DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2968			   "Port 1 CRC test-set\n");
2969			rc = bnx2x_test_nvram_tbl(bp, nvram_tbl2, buf);
2970			if (rc)
2971				goto test_nvram_exit;
2972		}
2973	}
2974
2975	rc = bnx2x_test_nvram_dirs(bp, buf);
2976
2977test_nvram_exit:
2978	kfree(buf);
2979	return rc;
2980}
2981
2982/* Send an EMPTY ramrod on the first queue */
2983static int bnx2x_test_intr(struct bnx2x *bp)
2984{
2985	struct bnx2x_queue_state_params params = {NULL};
2986
2987	if (!netif_running(bp->dev)) {
2988		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2989		   "cannot access eeprom when the interface is down\n");
2990		return -ENODEV;
2991	}
2992
2993	params.q_obj = &bp->sp_objs->q_obj;
2994	params.cmd = BNX2X_Q_CMD_EMPTY;
2995
2996	__set_bit(RAMROD_COMP_WAIT, &params.ramrod_flags);
2997
2998	return bnx2x_queue_state_change(bp, &params);
2999}
3000
3001static void bnx2x_self_test(struct net_device *dev,
3002			    struct ethtool_test *etest, u64 *buf)
3003{
3004	struct bnx2x *bp = netdev_priv(dev);
3005	u8 is_serdes, link_up;
3006	int rc, cnt = 0;
3007
3008	if (pci_num_vf(bp->pdev)) {
3009		DP(BNX2X_MSG_IOV,
3010		   "VFs are enabled, can not perform self test\n");
3011		return;
3012	}
3013
3014	if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
3015		netdev_err(bp->dev,
3016			   "Handling parity error recovery. Try again later\n");
3017		etest->flags |= ETH_TEST_FL_FAILED;
3018		return;
3019	}
3020
3021	DP(BNX2X_MSG_ETHTOOL,
3022	   "Self-test command parameters: offline = %d, external_lb = %d\n",
3023	   (etest->flags & ETH_TEST_FL_OFFLINE),
3024	   (etest->flags & ETH_TEST_FL_EXTERNAL_LB)>>2);
3025
3026	memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS(bp));
3027
3028	if (bnx2x_test_nvram(bp) != 0) {
3029		if (!IS_MF(bp))
3030			buf[4] = 1;
3031		else
3032			buf[0] = 1;
3033		etest->flags |= ETH_TEST_FL_FAILED;
3034	}
3035
3036	if (!netif_running(dev)) {
3037		DP(BNX2X_MSG_ETHTOOL, "Interface is down\n");
3038		return;
3039	}
3040
3041	is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
3042	link_up = bp->link_vars.link_up;
3043	/* offline tests are not supported in MF mode */
3044	if ((etest->flags & ETH_TEST_FL_OFFLINE) && !IS_MF(bp)) {
3045		int port = BP_PORT(bp);
3046		u32 val;
3047
3048		/* save current value of input enable for TX port IF */
3049		val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
3050		/* disable input for TX port IF */
3051		REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
3052
3053		bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
3054		rc = bnx2x_nic_load(bp, LOAD_DIAG);
3055		if (rc) {
3056			etest->flags |= ETH_TEST_FL_FAILED;
3057			DP(BNX2X_MSG_ETHTOOL,
3058			   "Can't perform self-test, nic_load (for offline) failed\n");
3059			return;
3060		}
3061
3062		/* wait until link state is restored */
3063		bnx2x_wait_for_link(bp, 1, is_serdes);
3064
3065		if (bnx2x_test_registers(bp) != 0) {
3066			buf[0] = 1;
3067			etest->flags |= ETH_TEST_FL_FAILED;
3068		}
3069		if (bnx2x_test_memory(bp) != 0) {
3070			buf[1] = 1;
3071			etest->flags |= ETH_TEST_FL_FAILED;
3072		}
3073
3074		buf[2] = bnx2x_test_loopback(bp); /* internal LB */
3075		if (buf[2] != 0)
3076			etest->flags |= ETH_TEST_FL_FAILED;
3077
3078		if (etest->flags & ETH_TEST_FL_EXTERNAL_LB) {
3079			buf[3] = bnx2x_test_ext_loopback(bp); /* external LB */
3080			if (buf[3] != 0)
3081				etest->flags |= ETH_TEST_FL_FAILED;
3082			etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
3083		}
3084
3085		bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
3086
3087		/* restore input for TX port IF */
3088		REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);
3089		rc = bnx2x_nic_load(bp, LOAD_NORMAL);
3090		if (rc) {
3091			etest->flags |= ETH_TEST_FL_FAILED;
3092			DP(BNX2X_MSG_ETHTOOL,
3093			   "Can't perform self-test, nic_load (for online) failed\n");
3094			return;
3095		}
3096		/* wait until link state is restored */
3097		bnx2x_wait_for_link(bp, link_up, is_serdes);
3098	}
3099
3100	if (bnx2x_test_intr(bp) != 0) {
3101		if (!IS_MF(bp))
3102			buf[5] = 1;
3103		else
3104			buf[1] = 1;
3105		etest->flags |= ETH_TEST_FL_FAILED;
3106	}
3107
3108	if (link_up) {
3109		cnt = 100;
3110		while (bnx2x_link_test(bp, is_serdes) && --cnt)
3111			msleep(20);
3112	}
3113
3114	if (!cnt) {
3115		if (!IS_MF(bp))
3116			buf[6] = 1;
3117		else
3118			buf[2] = 1;
3119		etest->flags |= ETH_TEST_FL_FAILED;
3120	}
3121}
3122
3123#define IS_PORT_STAT(i)		(bnx2x_stats_arr[i].is_port_stat)
3124#define HIDE_PORT_STAT(bp)	IS_VF(bp)
3125
3126/* ethtool statistics are displayed for all regular ethernet queues and the
3127 * fcoe L2 queue if not disabled
3128 */
3129static int bnx2x_num_stat_queues(struct bnx2x *bp)
3130{
3131	return BNX2X_NUM_ETH_QUEUES(bp);
3132}
3133
3134static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
3135{
3136	struct bnx2x *bp = netdev_priv(dev);
3137	int i, num_strings = 0;
3138
3139	switch (stringset) {
3140	case ETH_SS_STATS:
3141		if (is_multi(bp)) {
3142			num_strings = bnx2x_num_stat_queues(bp) *
3143				      BNX2X_NUM_Q_STATS;
3144		} else
3145			num_strings = 0;
3146		if (HIDE_PORT_STAT(bp)) {
3147			for (i = 0; i < BNX2X_NUM_STATS; i++)
3148				if (!IS_PORT_STAT(i))
3149					num_strings++;
3150		} else
3151			num_strings += BNX2X_NUM_STATS;
3152
3153		return num_strings;
3154
3155	case ETH_SS_TEST:
3156		return BNX2X_NUM_TESTS(bp);
3157
3158	case ETH_SS_PRIV_FLAGS:
3159		return BNX2X_PRI_FLAG_LEN;
3160
3161	default:
3162		return -EINVAL;
3163	}
3164}
3165
3166static u32 bnx2x_get_private_flags(struct net_device *dev)
3167{
3168	struct bnx2x *bp = netdev_priv(dev);
3169	u32 flags = 0;
3170
3171	flags |= (!(bp->flags & NO_ISCSI_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_ISCSI;
3172	flags |= (!(bp->flags & NO_FCOE_FLAG)  ? 1 : 0) << BNX2X_PRI_FLAG_FCOE;
3173	flags |= (!!IS_MF_STORAGE_ONLY(bp)) << BNX2X_PRI_FLAG_STORAGE;
3174
3175	return flags;
3176}
3177
3178static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
3179{
3180	struct bnx2x *bp = netdev_priv(dev);
3181	int i, j, k, start;
3182	char queue_name[MAX_QUEUE_NAME_LEN+1];
3183
3184	switch (stringset) {
3185	case ETH_SS_STATS:
3186		k = 0;
3187		if (is_multi(bp)) {
3188			for_each_eth_queue(bp, i) {
3189				memset(queue_name, 0, sizeof(queue_name));
3190				snprintf(queue_name, sizeof(queue_name),
3191					 "%d", i);
3192				for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
3193					snprintf(buf + (k + j)*ETH_GSTRING_LEN,
3194						ETH_GSTRING_LEN,
3195						bnx2x_q_stats_arr[j].string,
3196						queue_name);
3197				k += BNX2X_NUM_Q_STATS;
3198			}
3199		}
3200
3201		for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
3202			if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i))
3203				continue;
3204			strcpy(buf + (k + j)*ETH_GSTRING_LEN,
3205				   bnx2x_stats_arr[i].string);
3206			j++;
3207		}
3208
3209		break;
3210
3211	case ETH_SS_TEST:
3212		/* First 4 tests cannot be done in MF mode */
3213		if (!IS_MF(bp))
3214			start = 0;
3215		else
3216			start = 4;
3217		memcpy(buf, bnx2x_tests_str_arr + start,
3218		       ETH_GSTRING_LEN * BNX2X_NUM_TESTS(bp));
3219		break;
3220
3221	case ETH_SS_PRIV_FLAGS:
3222		memcpy(buf, bnx2x_private_arr,
3223		       ETH_GSTRING_LEN * BNX2X_PRI_FLAG_LEN);
3224		break;
3225	}
3226}
3227
3228static void bnx2x_get_ethtool_stats(struct net_device *dev,
3229				    struct ethtool_stats *stats, u64 *buf)
3230{
3231	struct bnx2x *bp = netdev_priv(dev);
3232	u32 *hw_stats, *offset;
3233	int i, j, k = 0;
3234
3235	if (is_multi(bp)) {
3236		for_each_eth_queue(bp, i) {
3237			hw_stats = (u32 *)&bp->fp_stats[i].eth_q_stats;
3238			for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
3239				if (bnx2x_q_stats_arr[j].size == 0) {
3240					/* skip this counter */
3241					buf[k + j] = 0;
3242					continue;
3243				}
3244				offset = (hw_stats +
3245					  bnx2x_q_stats_arr[j].offset);
3246				if (bnx2x_q_stats_arr[j].size == 4) {
3247					/* 4-byte counter */
3248					buf[k + j] = (u64) *offset;
3249					continue;
3250				}
3251				/* 8-byte counter */
3252				buf[k + j] = HILO_U64(*offset, *(offset + 1));
3253			}
3254			k += BNX2X_NUM_Q_STATS;
3255		}
3256	}
3257
3258	hw_stats = (u32 *)&bp->eth_stats;
3259	for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
3260		if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i))
3261			continue;
3262		if (bnx2x_stats_arr[i].size == 0) {
3263			/* skip this counter */
3264			buf[k + j] = 0;
3265			j++;
3266			continue;
3267		}
3268		offset = (hw_stats + bnx2x_stats_arr[i].offset);
3269		if (bnx2x_stats_arr[i].size == 4) {
3270			/* 4-byte counter */
3271			buf[k + j] = (u64) *offset;
3272			j++;
3273			continue;
3274		}
3275		/* 8-byte counter */
3276		buf[k + j] = HILO_U64(*offset, *(offset + 1));
3277		j++;
3278	}
3279}
3280
3281static int bnx2x_set_phys_id(struct net_device *dev,
3282			     enum ethtool_phys_id_state state)
3283{
3284	struct bnx2x *bp = netdev_priv(dev);
3285
3286	if (!bnx2x_is_nvm_accessible(bp)) {
3287		DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
3288		   "cannot access eeprom when the interface is down\n");
3289		return -EAGAIN;
3290	}
3291
3292	switch (state) {
3293	case ETHTOOL_ID_ACTIVE:
3294		return 1;	/* cycle on/off once per second */
3295
3296	case ETHTOOL_ID_ON:
3297		bnx2x_acquire_phy_lock(bp);
3298		bnx2x_set_led(&bp->link_params, &bp->link_vars,
3299			      LED_MODE_ON, SPEED_1000);
3300		bnx2x_release_phy_lock(bp);
3301		break;
3302
3303	case ETHTOOL_ID_OFF:
3304		bnx2x_acquire_phy_lock(bp);
3305		bnx2x_set_led(&bp->link_params, &bp->link_vars,
3306			      LED_MODE_FRONT_PANEL_OFF, 0);
3307		bnx2x_release_phy_lock(bp);
3308		break;
3309
3310	case ETHTOOL_ID_INACTIVE:
3311		bnx2x_acquire_phy_lock(bp);
3312		bnx2x_set_led(&bp->link_params, &bp->link_vars,
3313			      LED_MODE_OPER,
3314			      bp->link_vars.line_speed);
3315		bnx2x_release_phy_lock(bp);
3316	}
3317
3318	return 0;
3319}
3320
3321static int bnx2x_get_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info)
3322{
3323	switch (info->flow_type) {
3324	case TCP_V4_FLOW:
3325	case TCP_V6_FLOW:
3326		info->data = RXH_IP_SRC | RXH_IP_DST |
3327			     RXH_L4_B_0_1 | RXH_L4_B_2_3;
3328		break;
3329	case UDP_V4_FLOW:
3330		if (bp->rss_conf_obj.udp_rss_v4)
3331			info->data = RXH_IP_SRC | RXH_IP_DST |
3332				     RXH_L4_B_0_1 | RXH_L4_B_2_3;
3333		else
3334			info->data = RXH_IP_SRC | RXH_IP_DST;
3335		break;
3336	case UDP_V6_FLOW:
3337		if (bp->rss_conf_obj.udp_rss_v6)
3338			info->data = RXH_IP_SRC | RXH_IP_DST |
3339				     RXH_L4_B_0_1 | RXH_L4_B_2_3;
3340		else
3341			info->data = RXH_IP_SRC | RXH_IP_DST;
3342		break;
3343	case IPV4_FLOW:
3344	case IPV6_FLOW:
3345		info->data = RXH_IP_SRC | RXH_IP_DST;
3346		break;
3347	default:
3348		info->data = 0;
3349		break;
3350	}
3351
3352	return 0;
3353}
3354
3355static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
3356			   u32 *rules __always_unused)
3357{
3358	struct bnx2x *bp = netdev_priv(dev);
3359
3360	switch (info->cmd) {
3361	case ETHTOOL_GRXRINGS:
3362		info->data = BNX2X_NUM_ETH_QUEUES(bp);
3363		return 0;
3364	case ETHTOOL_GRXFH:
3365		return bnx2x_get_rss_flags(bp, info);
3366	default:
3367		DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
3368		return -EOPNOTSUPP;
3369	}
3370}
3371
3372static int bnx2x_set_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info)
3373{
3374	int udp_rss_requested;
3375
3376	DP(BNX2X_MSG_ETHTOOL,
3377	   "Set rss flags command parameters: flow type = %d, data = %llu\n",
3378	   info->flow_type, info->data);
3379
3380	switch (info->flow_type) {
3381	case TCP_V4_FLOW:
3382	case TCP_V6_FLOW:
3383		/* For TCP only 4-tupple hash is supported */
3384		if (info->data ^ (RXH_IP_SRC | RXH_IP_DST |
3385				  RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
3386			DP(BNX2X_MSG_ETHTOOL,
3387			   "Command parameters not supported\n");
3388			return -EINVAL;
3389		}
3390		return 0;
3391
3392	case UDP_V4_FLOW:
3393	case UDP_V6_FLOW:
3394		/* For UDP either 2-tupple hash or 4-tupple hash is supported */
3395		if (info->data == (RXH_IP_SRC | RXH_IP_DST |
3396				   RXH_L4_B_0_1 | RXH_L4_B_2_3))
3397			udp_rss_requested = 1;
3398		else if (info->data == (RXH_IP_SRC | RXH_IP_DST))
3399			udp_rss_requested = 0;
3400		else
3401			return -EINVAL;
3402
3403		if (CHIP_IS_E1x(bp) && udp_rss_requested) {
3404			DP(BNX2X_MSG_ETHTOOL,
3405			   "57710, 57711 boards don't support RSS according to UDP 4-tuple\n");
3406			return -EINVAL;
3407		}
3408
3409		if ((info->flow_type == UDP_V4_FLOW) &&
3410		    (bp->rss_conf_obj.udp_rss_v4 != udp_rss_requested)) {
3411			bp->rss_conf_obj.udp_rss_v4 = udp_rss_requested;
3412			DP(BNX2X_MSG_ETHTOOL,
3413			   "rss re-configured, UDP 4-tupple %s\n",
3414			   udp_rss_requested ? "enabled" : "disabled");
3415			if (bp->state == BNX2X_STATE_OPEN)
3416				return bnx2x_rss(bp, &bp->rss_conf_obj, false,
3417						 true);
3418		} else if ((info->flow_type == UDP_V6_FLOW) &&
3419			   (bp->rss_conf_obj.udp_rss_v6 != udp_rss_requested)) {
3420			bp->rss_conf_obj.udp_rss_v6 = udp_rss_requested;
3421			DP(BNX2X_MSG_ETHTOOL,
3422			   "rss re-configured, UDP 4-tupple %s\n",
3423			   udp_rss_requested ? "enabled" : "disabled");
3424			if (bp->state == BNX2X_STATE_OPEN)
3425				return bnx2x_rss(bp, &bp->rss_conf_obj, false,
3426						 true);
3427		}
3428		return 0;
3429
3430	case IPV4_FLOW:
3431	case IPV6_FLOW:
3432		/* For IP only 2-tupple hash is supported */
3433		if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) {
3434			DP(BNX2X_MSG_ETHTOOL,
3435			   "Command parameters not supported\n");
3436			return -EINVAL;
3437		}
3438		return 0;
3439
3440	case SCTP_V4_FLOW:
3441	case AH_ESP_V4_FLOW:
3442	case AH_V4_FLOW:
3443	case ESP_V4_FLOW:
3444	case SCTP_V6_FLOW:
3445	case AH_ESP_V6_FLOW:
3446	case AH_V6_FLOW:
3447	case ESP_V6_FLOW:
3448	case IP_USER_FLOW:
3449	case ETHER_FLOW:
3450		/* RSS is not supported for these protocols */
3451		if (info->data) {
3452			DP(BNX2X_MSG_ETHTOOL,
3453			   "Command parameters not supported\n");
3454			return -EINVAL;
3455		}
3456		return 0;
3457
3458	default:
3459		return -EINVAL;
3460	}
3461}
3462
3463static int bnx2x_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info)
3464{
3465	struct bnx2x *bp = netdev_priv(dev);
3466
3467	switch (info->cmd) {
3468	case ETHTOOL_SRXFH:
3469		return bnx2x_set_rss_flags(bp, info);
3470	default:
3471		DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
3472		return -EOPNOTSUPP;
3473	}
3474}
3475
3476static u32 bnx2x_get_rxfh_indir_size(struct net_device *dev)
3477{
3478	return T_ETH_INDIRECTION_TABLE_SIZE;
3479}
3480
3481static int bnx2x_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
3482			  u8 *hfunc)
3483{
3484	struct bnx2x *bp = netdev_priv(dev);
3485	u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};
3486	size_t i;
3487
3488	if (hfunc)
3489		*hfunc = ETH_RSS_HASH_TOP;
3490	if (!indir)
3491		return 0;
3492
3493	/* Get the current configuration of the RSS indirection table */
3494	bnx2x_get_rss_ind_table(&bp->rss_conf_obj, ind_table);
3495
3496	/*
3497	 * We can't use a memcpy() as an internal storage of an
3498	 * indirection table is a u8 array while indir->ring_index
3499	 * points to an array of u32.
3500	 *
3501	 * Indirection table contains the FW Client IDs, so we need to
3502	 * align the returned table to the Client ID of the leading RSS
3503	 * queue.
3504	 */
3505	for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++)
3506		indir[i] = ind_table[i] - bp->fp->cl_id;
3507
3508	return 0;
3509}
3510
3511static int bnx2x_set_rxfh(struct net_device *dev, const u32 *indir,
3512			  const u8 *key, const u8 hfunc)
3513{
3514	struct bnx2x *bp = netdev_priv(dev);
3515	size_t i;
3516
3517	/* We require at least one supported parameter to be changed and no
3518	 * change in any of the unsupported parameters
3519	 */
3520	if (key ||
3521	    (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
3522		return -EOPNOTSUPP;
3523
3524	if (!indir)
3525		return 0;
3526
3527	for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) {
3528		/*
3529		 * The same as in bnx2x_get_rxfh: we can't use a memcpy()
3530		 * as an internal storage of an indirection table is a u8 array
3531		 * while indir->ring_index points to an array of u32.
3532		 *
3533		 * Indirection table contains the FW Client IDs, so we need to
3534		 * align the received table to the Client ID of the leading RSS
3535		 * queue
3536		 */
3537		bp->rss_conf_obj.ind_table[i] = indir[i] + bp->fp->cl_id;
3538	}
3539
3540	if (bp->state == BNX2X_STATE_OPEN)
3541		return bnx2x_config_rss_eth(bp, false);
3542
3543	return 0;
3544}
3545
3546/**
3547 * bnx2x_get_channels - gets the number of RSS queues.
3548 *
3549 * @dev:		net device
3550 * @channels:		returns the number of max / current queues
3551 */
3552static void bnx2x_get_channels(struct net_device *dev,
3553			       struct ethtool_channels *channels)
3554{
3555	struct bnx2x *bp = netdev_priv(dev);
3556
3557	channels->max_combined = BNX2X_MAX_RSS_COUNT(bp);
3558	channels->combined_count = BNX2X_NUM_ETH_QUEUES(bp);
3559}
3560
3561/**
3562 * bnx2x_change_num_queues - change the number of RSS queues.
3563 *
3564 * @bp:			bnx2x private structure
3565 * @num_rss:		rss count
3566 *
3567 * Re-configure interrupt mode to get the new number of MSI-X
3568 * vectors and re-add NAPI objects.
3569 */
3570static void bnx2x_change_num_queues(struct bnx2x *bp, int num_rss)
3571{
3572	bnx2x_disable_msi(bp);
3573	bp->num_ethernet_queues = num_rss;
3574	bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
3575	BNX2X_DEV_INFO("set number of queues to %d\n", bp->num_queues);
3576	bnx2x_set_int_mode(bp);
3577}
3578
3579/**
3580 * bnx2x_set_channels - sets the number of RSS queues.
3581 *
3582 * @dev:		net device
3583 * @channels:		includes the number of queues requested
3584 */
3585static int bnx2x_set_channels(struct net_device *dev,
3586			      struct ethtool_channels *channels)
3587{
3588	struct bnx2x *bp = netdev_priv(dev);
3589
3590	DP(BNX2X_MSG_ETHTOOL,
3591	   "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n",
3592	   channels->rx_count, channels->tx_count, channels->other_count,
3593	   channels->combined_count);
3594
3595	if (pci_num_vf(bp->pdev)) {
3596		DP(BNX2X_MSG_IOV, "VFs are enabled, can not set channels\n");
3597		return -EPERM;
3598	}
3599
3600	/* We don't support separate rx / tx channels.
3601	 * We don't allow setting 'other' channels.
3602	 */
3603	if (channels->rx_count || channels->tx_count || channels->other_count
3604	    || (channels->combined_count == 0) ||
3605	    (channels->combined_count > BNX2X_MAX_RSS_COUNT(bp))) {
3606		DP(BNX2X_MSG_ETHTOOL, "command parameters not supported\n");
3607		return -EINVAL;
3608	}
3609
3610	/* Check if there was a change in the active parameters */
3611	if (channels->combined_count == BNX2X_NUM_ETH_QUEUES(bp)) {
3612		DP(BNX2X_MSG_ETHTOOL, "No change in active parameters\n");
3613		return 0;
3614	}
3615
3616	/* Set the requested number of queues in bp context.
3617	 * Note that the actual number of queues created during load may be
3618	 * less than requested if memory is low.
3619	 */
3620	if (unlikely(!netif_running(dev))) {
3621		bnx2x_change_num_queues(bp, channels->combined_count);
3622		return 0;
3623	}
3624	bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
3625	bnx2x_change_num_queues(bp, channels->combined_count);
3626	return bnx2x_nic_load(bp, LOAD_NORMAL);
3627}
3628
3629static int bnx2x_get_ts_info(struct net_device *dev,
3630			     struct ethtool_ts_info *info)
3631{
3632	struct bnx2x *bp = netdev_priv(dev);
3633
3634	if (bp->flags & PTP_SUPPORTED) {
3635		info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3636					SOF_TIMESTAMPING_RX_SOFTWARE |
3637					SOF_TIMESTAMPING_SOFTWARE |
3638					SOF_TIMESTAMPING_TX_HARDWARE |
3639					SOF_TIMESTAMPING_RX_HARDWARE |
3640					SOF_TIMESTAMPING_RAW_HARDWARE;
3641
3642		if (bp->ptp_clock)
3643			info->phc_index = ptp_clock_index(bp->ptp_clock);
3644		else
3645			info->phc_index = -1;
3646
3647		info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
3648				   (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
3649				   (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
3650				   (1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
3651
3652		info->tx_types = (1 << HWTSTAMP_TX_OFF)|(1 << HWTSTAMP_TX_ON);
3653
3654		return 0;
3655	}
3656
3657	return ethtool_op_get_ts_info(dev, info);
3658}
3659
3660static const struct ethtool_ops bnx2x_ethtool_ops = {
3661	.supported_coalesce_params = ETHTOOL_COALESCE_USECS,
3662	.get_drvinfo		= bnx2x_get_drvinfo,
3663	.get_regs_len		= bnx2x_get_regs_len,
3664	.get_regs		= bnx2x_get_regs,
3665	.get_dump_flag		= bnx2x_get_dump_flag,
3666	.get_dump_data		= bnx2x_get_dump_data,
3667	.set_dump		= bnx2x_set_dump,
3668	.get_wol		= bnx2x_get_wol,
3669	.set_wol		= bnx2x_set_wol,
3670	.get_msglevel		= bnx2x_get_msglevel,
3671	.set_msglevel		= bnx2x_set_msglevel,
3672	.nway_reset		= bnx2x_nway_reset,
3673	.get_link		= bnx2x_get_link,
3674	.get_eeprom_len		= bnx2x_get_eeprom_len,
3675	.get_eeprom		= bnx2x_get_eeprom,
3676	.set_eeprom		= bnx2x_set_eeprom,
3677	.get_coalesce		= bnx2x_get_coalesce,
3678	.set_coalesce		= bnx2x_set_coalesce,
3679	.get_ringparam		= bnx2x_get_ringparam,
3680	.set_ringparam		= bnx2x_set_ringparam,
3681	.get_pauseparam		= bnx2x_get_pauseparam,
3682	.set_pauseparam		= bnx2x_set_pauseparam,
3683	.self_test		= bnx2x_self_test,
3684	.get_sset_count		= bnx2x_get_sset_count,
3685	.get_priv_flags		= bnx2x_get_private_flags,
3686	.get_strings		= bnx2x_get_strings,
3687	.set_phys_id		= bnx2x_set_phys_id,
3688	.get_ethtool_stats	= bnx2x_get_ethtool_stats,
3689	.get_rxnfc		= bnx2x_get_rxnfc,
3690	.set_rxnfc		= bnx2x_set_rxnfc,
3691	.get_rxfh_indir_size	= bnx2x_get_rxfh_indir_size,
3692	.get_rxfh		= bnx2x_get_rxfh,
3693	.set_rxfh		= bnx2x_set_rxfh,
3694	.get_channels		= bnx2x_get_channels,
3695	.set_channels		= bnx2x_set_channels,
3696	.get_module_info	= bnx2x_get_module_info,
3697	.get_module_eeprom	= bnx2x_get_module_eeprom,
3698	.get_eee		= bnx2x_get_eee,
3699	.set_eee		= bnx2x_set_eee,
3700	.get_ts_info		= bnx2x_get_ts_info,
3701	.get_link_ksettings	= bnx2x_get_link_ksettings,
3702	.set_link_ksettings	= bnx2x_set_link_ksettings,
3703};
3704
3705static const struct ethtool_ops bnx2x_vf_ethtool_ops = {
3706	.get_drvinfo		= bnx2x_get_drvinfo,
3707	.get_msglevel		= bnx2x_get_msglevel,
3708	.set_msglevel		= bnx2x_set_msglevel,
3709	.get_link		= bnx2x_get_link,
3710	.get_coalesce		= bnx2x_get_coalesce,
3711	.get_ringparam		= bnx2x_get_ringparam,
3712	.set_ringparam		= bnx2x_set_ringparam,
3713	.get_sset_count		= bnx2x_get_sset_count,
3714	.get_strings		= bnx2x_get_strings,
3715	.get_ethtool_stats	= bnx2x_get_ethtool_stats,
3716	.get_rxnfc		= bnx2x_get_rxnfc,
3717	.set_rxnfc		= bnx2x_set_rxnfc,
3718	.get_rxfh_indir_size	= bnx2x_get_rxfh_indir_size,
3719	.get_rxfh		= bnx2x_get_rxfh,
3720	.set_rxfh		= bnx2x_set_rxfh,
3721	.get_channels		= bnx2x_get_channels,
3722	.set_channels		= bnx2x_set_channels,
3723	.get_link_ksettings	= bnx2x_get_vf_link_ksettings,
3724};
3725
3726void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev)
3727{
3728	netdev->ethtool_ops = (IS_PF(bp)) ?
3729		&bnx2x_ethtool_ops : &bnx2x_vf_ethtool_ops;
3730}
3731