1 /* Broadcom NetXtreme-C/E network driver.
2  *
3  * Copyright (c) 2014-2016 Broadcom Corporation
4  * Copyright (c) 2016-2017 Broadcom Limited
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation.
9  */
10 
11 #include <linux/ctype.h>
12 #include <linux/stringify.h>
13 #include <linux/ethtool.h>
14 #include <linux/ethtool_netlink.h>
15 #include <linux/linkmode.h>
16 #include <linux/interrupt.h>
17 #include <linux/pci.h>
18 #include <linux/etherdevice.h>
19 #include <linux/crc32.h>
20 #include <linux/firmware.h>
21 #include <linux/utsname.h>
22 #include <linux/time.h>
23 #include <linux/ptp_clock_kernel.h>
24 #include <linux/net_tstamp.h>
25 #include <linux/timecounter.h>
26 #include "bnxt_hsi.h"
27 #include "bnxt.h"
28 #include "bnxt_hwrm.h"
29 #include "bnxt_ulp.h"
30 #include "bnxt_xdp.h"
31 #include "bnxt_ptp.h"
32 #include "bnxt_ethtool.h"
33 #include "bnxt_nvm_defs.h"	/* NVRAM content constant and structure defs */
34 #include "bnxt_fw_hdr.h"	/* Firmware hdr constant and structure defs */
35 #include "bnxt_coredump.h"
36 
37 static u32 bnxt_get_msglevel(struct net_device *dev)
38 {
39 	struct bnxt *bp = netdev_priv(dev);
40 
41 	return bp->msg_enable;
42 }
43 
44 static void bnxt_set_msglevel(struct net_device *dev, u32 value)
45 {
46 	struct bnxt *bp = netdev_priv(dev);
47 
48 	bp->msg_enable = value;
49 }
50 
51 static int bnxt_get_coalesce(struct net_device *dev,
52 			     struct ethtool_coalesce *coal,
53 			     struct kernel_ethtool_coalesce *kernel_coal,
54 			     struct netlink_ext_ack *extack)
55 {
56 	struct bnxt *bp = netdev_priv(dev);
57 	struct bnxt_coal *hw_coal;
58 	u16 mult;
59 
60 	memset(coal, 0, sizeof(*coal));
61 
62 	coal->use_adaptive_rx_coalesce = bp->flags & BNXT_FLAG_DIM;
63 
64 	hw_coal = &bp->rx_coal;
65 	mult = hw_coal->bufs_per_record;
66 	coal->rx_coalesce_usecs = hw_coal->coal_ticks;
67 	coal->rx_max_coalesced_frames = hw_coal->coal_bufs / mult;
68 	coal->rx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
69 	coal->rx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
70 	if (hw_coal->flags &
71 	    RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET)
72 		kernel_coal->use_cqe_mode_rx = true;
73 
74 	hw_coal = &bp->tx_coal;
75 	mult = hw_coal->bufs_per_record;
76 	coal->tx_coalesce_usecs = hw_coal->coal_ticks;
77 	coal->tx_max_coalesced_frames = hw_coal->coal_bufs / mult;
78 	coal->tx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
79 	coal->tx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
80 	if (hw_coal->flags &
81 	    RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET)
82 		kernel_coal->use_cqe_mode_tx = true;
83 
84 	coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
85 
86 	return 0;
87 }
88 
89 static int bnxt_set_coalesce(struct net_device *dev,
90 			     struct ethtool_coalesce *coal,
91 			     struct kernel_ethtool_coalesce *kernel_coal,
92 			     struct netlink_ext_ack *extack)
93 {
94 	struct bnxt *bp = netdev_priv(dev);
95 	bool update_stats = false;
96 	struct bnxt_coal *hw_coal;
97 	int rc = 0;
98 	u16 mult;
99 
100 	if (coal->use_adaptive_rx_coalesce) {
101 		bp->flags |= BNXT_FLAG_DIM;
102 	} else {
103 		if (bp->flags & BNXT_FLAG_DIM) {
104 			bp->flags &= ~(BNXT_FLAG_DIM);
105 			goto reset_coalesce;
106 		}
107 	}
108 
109 	if ((kernel_coal->use_cqe_mode_rx || kernel_coal->use_cqe_mode_tx) &&
110 	    !(bp->coal_cap.cmpl_params &
111 	      RING_AGGINT_QCAPS_RESP_CMPL_PARAMS_TIMER_RESET))
112 		return -EOPNOTSUPP;
113 
114 	hw_coal = &bp->rx_coal;
115 	mult = hw_coal->bufs_per_record;
116 	hw_coal->coal_ticks = coal->rx_coalesce_usecs;
117 	hw_coal->coal_bufs = coal->rx_max_coalesced_frames * mult;
118 	hw_coal->coal_ticks_irq = coal->rx_coalesce_usecs_irq;
119 	hw_coal->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * mult;
120 	hw_coal->flags &=
121 		~RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
122 	if (kernel_coal->use_cqe_mode_rx)
123 		hw_coal->flags |=
124 			RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
125 
126 	hw_coal = &bp->tx_coal;
127 	mult = hw_coal->bufs_per_record;
128 	hw_coal->coal_ticks = coal->tx_coalesce_usecs;
129 	hw_coal->coal_bufs = coal->tx_max_coalesced_frames * mult;
130 	hw_coal->coal_ticks_irq = coal->tx_coalesce_usecs_irq;
131 	hw_coal->coal_bufs_irq = coal->tx_max_coalesced_frames_irq * mult;
132 	hw_coal->flags &=
133 		~RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
134 	if (kernel_coal->use_cqe_mode_tx)
135 		hw_coal->flags |=
136 			RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
137 
138 	if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
139 		u32 stats_ticks = coal->stats_block_coalesce_usecs;
140 
141 		/* Allow 0, which means disable. */
142 		if (stats_ticks)
143 			stats_ticks = clamp_t(u32, stats_ticks,
144 					      BNXT_MIN_STATS_COAL_TICKS,
145 					      BNXT_MAX_STATS_COAL_TICKS);
146 		stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
147 		bp->stats_coal_ticks = stats_ticks;
148 		if (bp->stats_coal_ticks)
149 			bp->current_interval =
150 				bp->stats_coal_ticks * HZ / 1000000;
151 		else
152 			bp->current_interval = BNXT_TIMER_INTERVAL;
153 		update_stats = true;
154 	}
155 
156 reset_coalesce:
157 	if (netif_running(dev)) {
158 		if (update_stats) {
159 			rc = bnxt_close_nic(bp, true, false);
160 			if (!rc)
161 				rc = bnxt_open_nic(bp, true, false);
162 		} else {
163 			rc = bnxt_hwrm_set_coal(bp);
164 		}
165 	}
166 
167 	return rc;
168 }
169 
170 static const char * const bnxt_ring_rx_stats_str[] = {
171 	"rx_ucast_packets",
172 	"rx_mcast_packets",
173 	"rx_bcast_packets",
174 	"rx_discards",
175 	"rx_errors",
176 	"rx_ucast_bytes",
177 	"rx_mcast_bytes",
178 	"rx_bcast_bytes",
179 };
180 
181 static const char * const bnxt_ring_tx_stats_str[] = {
182 	"tx_ucast_packets",
183 	"tx_mcast_packets",
184 	"tx_bcast_packets",
185 	"tx_errors",
186 	"tx_discards",
187 	"tx_ucast_bytes",
188 	"tx_mcast_bytes",
189 	"tx_bcast_bytes",
190 };
191 
192 static const char * const bnxt_ring_tpa_stats_str[] = {
193 	"tpa_packets",
194 	"tpa_bytes",
195 	"tpa_events",
196 	"tpa_aborts",
197 };
198 
199 static const char * const bnxt_ring_tpa2_stats_str[] = {
200 	"rx_tpa_eligible_pkt",
201 	"rx_tpa_eligible_bytes",
202 	"rx_tpa_pkt",
203 	"rx_tpa_bytes",
204 	"rx_tpa_errors",
205 	"rx_tpa_events",
206 };
207 
208 static const char * const bnxt_rx_sw_stats_str[] = {
209 	"rx_l4_csum_errors",
210 	"rx_resets",
211 	"rx_buf_errors",
212 };
213 
214 static const char * const bnxt_cmn_sw_stats_str[] = {
215 	"missed_irqs",
216 };
217 
218 #define BNXT_RX_STATS_ENTRY(counter)	\
219 	{ BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
220 
221 #define BNXT_TX_STATS_ENTRY(counter)	\
222 	{ BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
223 
224 #define BNXT_RX_STATS_EXT_ENTRY(counter)	\
225 	{ BNXT_RX_STATS_EXT_OFFSET(counter), __stringify(counter) }
226 
227 #define BNXT_TX_STATS_EXT_ENTRY(counter)	\
228 	{ BNXT_TX_STATS_EXT_OFFSET(counter), __stringify(counter) }
229 
230 #define BNXT_RX_STATS_EXT_PFC_ENTRY(n)				\
231 	BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_duration_us),	\
232 	BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_transitions)
233 
234 #define BNXT_TX_STATS_EXT_PFC_ENTRY(n)				\
235 	BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_duration_us),	\
236 	BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_transitions)
237 
238 #define BNXT_RX_STATS_EXT_PFC_ENTRIES				\
239 	BNXT_RX_STATS_EXT_PFC_ENTRY(0),				\
240 	BNXT_RX_STATS_EXT_PFC_ENTRY(1),				\
241 	BNXT_RX_STATS_EXT_PFC_ENTRY(2),				\
242 	BNXT_RX_STATS_EXT_PFC_ENTRY(3),				\
243 	BNXT_RX_STATS_EXT_PFC_ENTRY(4),				\
244 	BNXT_RX_STATS_EXT_PFC_ENTRY(5),				\
245 	BNXT_RX_STATS_EXT_PFC_ENTRY(6),				\
246 	BNXT_RX_STATS_EXT_PFC_ENTRY(7)
247 
248 #define BNXT_TX_STATS_EXT_PFC_ENTRIES				\
249 	BNXT_TX_STATS_EXT_PFC_ENTRY(0),				\
250 	BNXT_TX_STATS_EXT_PFC_ENTRY(1),				\
251 	BNXT_TX_STATS_EXT_PFC_ENTRY(2),				\
252 	BNXT_TX_STATS_EXT_PFC_ENTRY(3),				\
253 	BNXT_TX_STATS_EXT_PFC_ENTRY(4),				\
254 	BNXT_TX_STATS_EXT_PFC_ENTRY(5),				\
255 	BNXT_TX_STATS_EXT_PFC_ENTRY(6),				\
256 	BNXT_TX_STATS_EXT_PFC_ENTRY(7)
257 
258 #define BNXT_RX_STATS_EXT_COS_ENTRY(n)				\
259 	BNXT_RX_STATS_EXT_ENTRY(rx_bytes_cos##n),		\
260 	BNXT_RX_STATS_EXT_ENTRY(rx_packets_cos##n)
261 
262 #define BNXT_TX_STATS_EXT_COS_ENTRY(n)				\
263 	BNXT_TX_STATS_EXT_ENTRY(tx_bytes_cos##n),		\
264 	BNXT_TX_STATS_EXT_ENTRY(tx_packets_cos##n)
265 
266 #define BNXT_RX_STATS_EXT_COS_ENTRIES				\
267 	BNXT_RX_STATS_EXT_COS_ENTRY(0),				\
268 	BNXT_RX_STATS_EXT_COS_ENTRY(1),				\
269 	BNXT_RX_STATS_EXT_COS_ENTRY(2),				\
270 	BNXT_RX_STATS_EXT_COS_ENTRY(3),				\
271 	BNXT_RX_STATS_EXT_COS_ENTRY(4),				\
272 	BNXT_RX_STATS_EXT_COS_ENTRY(5),				\
273 	BNXT_RX_STATS_EXT_COS_ENTRY(6),				\
274 	BNXT_RX_STATS_EXT_COS_ENTRY(7)				\
275 
276 #define BNXT_TX_STATS_EXT_COS_ENTRIES				\
277 	BNXT_TX_STATS_EXT_COS_ENTRY(0),				\
278 	BNXT_TX_STATS_EXT_COS_ENTRY(1),				\
279 	BNXT_TX_STATS_EXT_COS_ENTRY(2),				\
280 	BNXT_TX_STATS_EXT_COS_ENTRY(3),				\
281 	BNXT_TX_STATS_EXT_COS_ENTRY(4),				\
282 	BNXT_TX_STATS_EXT_COS_ENTRY(5),				\
283 	BNXT_TX_STATS_EXT_COS_ENTRY(6),				\
284 	BNXT_TX_STATS_EXT_COS_ENTRY(7)				\
285 
286 #define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(n)			\
287 	BNXT_RX_STATS_EXT_ENTRY(rx_discard_bytes_cos##n),	\
288 	BNXT_RX_STATS_EXT_ENTRY(rx_discard_packets_cos##n)
289 
290 #define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES				\
291 	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(0),				\
292 	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(1),				\
293 	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(2),				\
294 	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(3),				\
295 	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(4),				\
296 	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(5),				\
297 	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(6),				\
298 	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(7)
299 
300 #define BNXT_RX_STATS_PRI_ENTRY(counter, n)		\
301 	{ BNXT_RX_STATS_EXT_OFFSET(counter##_cos0),	\
302 	  __stringify(counter##_pri##n) }
303 
304 #define BNXT_TX_STATS_PRI_ENTRY(counter, n)		\
305 	{ BNXT_TX_STATS_EXT_OFFSET(counter##_cos0),	\
306 	  __stringify(counter##_pri##n) }
307 
308 #define BNXT_RX_STATS_PRI_ENTRIES(counter)		\
309 	BNXT_RX_STATS_PRI_ENTRY(counter, 0),		\
310 	BNXT_RX_STATS_PRI_ENTRY(counter, 1),		\
311 	BNXT_RX_STATS_PRI_ENTRY(counter, 2),		\
312 	BNXT_RX_STATS_PRI_ENTRY(counter, 3),		\
313 	BNXT_RX_STATS_PRI_ENTRY(counter, 4),		\
314 	BNXT_RX_STATS_PRI_ENTRY(counter, 5),		\
315 	BNXT_RX_STATS_PRI_ENTRY(counter, 6),		\
316 	BNXT_RX_STATS_PRI_ENTRY(counter, 7)
317 
318 #define BNXT_TX_STATS_PRI_ENTRIES(counter)		\
319 	BNXT_TX_STATS_PRI_ENTRY(counter, 0),		\
320 	BNXT_TX_STATS_PRI_ENTRY(counter, 1),		\
321 	BNXT_TX_STATS_PRI_ENTRY(counter, 2),		\
322 	BNXT_TX_STATS_PRI_ENTRY(counter, 3),		\
323 	BNXT_TX_STATS_PRI_ENTRY(counter, 4),		\
324 	BNXT_TX_STATS_PRI_ENTRY(counter, 5),		\
325 	BNXT_TX_STATS_PRI_ENTRY(counter, 6),		\
326 	BNXT_TX_STATS_PRI_ENTRY(counter, 7)
327 
328 enum {
329 	RX_TOTAL_DISCARDS,
330 	TX_TOTAL_DISCARDS,
331 	RX_NETPOLL_DISCARDS,
332 };
333 
334 static struct {
335 	u64			counter;
336 	char			string[ETH_GSTRING_LEN];
337 } bnxt_sw_func_stats[] = {
338 	{0, "rx_total_discard_pkts"},
339 	{0, "tx_total_discard_pkts"},
340 	{0, "rx_total_netpoll_discards"},
341 };
342 
343 #define NUM_RING_RX_SW_STATS		ARRAY_SIZE(bnxt_rx_sw_stats_str)
344 #define NUM_RING_CMN_SW_STATS		ARRAY_SIZE(bnxt_cmn_sw_stats_str)
345 #define NUM_RING_RX_HW_STATS		ARRAY_SIZE(bnxt_ring_rx_stats_str)
346 #define NUM_RING_TX_HW_STATS		ARRAY_SIZE(bnxt_ring_tx_stats_str)
347 
348 static const struct {
349 	long offset;
350 	char string[ETH_GSTRING_LEN];
351 } bnxt_port_stats_arr[] = {
352 	BNXT_RX_STATS_ENTRY(rx_64b_frames),
353 	BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
354 	BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
355 	BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
356 	BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
357 	BNXT_RX_STATS_ENTRY(rx_1024b_1518b_frames),
358 	BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
359 	BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
360 	BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
361 	BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
362 	BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
363 	BNXT_RX_STATS_ENTRY(rx_total_frames),
364 	BNXT_RX_STATS_ENTRY(rx_ucast_frames),
365 	BNXT_RX_STATS_ENTRY(rx_mcast_frames),
366 	BNXT_RX_STATS_ENTRY(rx_bcast_frames),
367 	BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
368 	BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
369 	BNXT_RX_STATS_ENTRY(rx_pause_frames),
370 	BNXT_RX_STATS_ENTRY(rx_pfc_frames),
371 	BNXT_RX_STATS_ENTRY(rx_align_err_frames),
372 	BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
373 	BNXT_RX_STATS_ENTRY(rx_jbr_frames),
374 	BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
375 	BNXT_RX_STATS_ENTRY(rx_tagged_frames),
376 	BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
377 	BNXT_RX_STATS_ENTRY(rx_good_frames),
378 	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
379 	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
380 	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
381 	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
382 	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
383 	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
384 	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
385 	BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
386 	BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
387 	BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
388 	BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
389 	BNXT_RX_STATS_ENTRY(rx_bytes),
390 	BNXT_RX_STATS_ENTRY(rx_runt_bytes),
391 	BNXT_RX_STATS_ENTRY(rx_runt_frames),
392 	BNXT_RX_STATS_ENTRY(rx_stat_discard),
393 	BNXT_RX_STATS_ENTRY(rx_stat_err),
394 
395 	BNXT_TX_STATS_ENTRY(tx_64b_frames),
396 	BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
397 	BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
398 	BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
399 	BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
400 	BNXT_TX_STATS_ENTRY(tx_1024b_1518b_frames),
401 	BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
402 	BNXT_TX_STATS_ENTRY(tx_1519b_2047b_frames),
403 	BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
404 	BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
405 	BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
406 	BNXT_TX_STATS_ENTRY(tx_good_frames),
407 	BNXT_TX_STATS_ENTRY(tx_total_frames),
408 	BNXT_TX_STATS_ENTRY(tx_ucast_frames),
409 	BNXT_TX_STATS_ENTRY(tx_mcast_frames),
410 	BNXT_TX_STATS_ENTRY(tx_bcast_frames),
411 	BNXT_TX_STATS_ENTRY(tx_pause_frames),
412 	BNXT_TX_STATS_ENTRY(tx_pfc_frames),
413 	BNXT_TX_STATS_ENTRY(tx_jabber_frames),
414 	BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
415 	BNXT_TX_STATS_ENTRY(tx_err),
416 	BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
417 	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
418 	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
419 	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
420 	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
421 	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
422 	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
423 	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
424 	BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
425 	BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
426 	BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
427 	BNXT_TX_STATS_ENTRY(tx_total_collisions),
428 	BNXT_TX_STATS_ENTRY(tx_bytes),
429 	BNXT_TX_STATS_ENTRY(tx_xthol_frames),
430 	BNXT_TX_STATS_ENTRY(tx_stat_discard),
431 	BNXT_TX_STATS_ENTRY(tx_stat_error),
432 };
433 
434 static const struct {
435 	long offset;
436 	char string[ETH_GSTRING_LEN];
437 } bnxt_port_stats_ext_arr[] = {
438 	BNXT_RX_STATS_EXT_ENTRY(link_down_events),
439 	BNXT_RX_STATS_EXT_ENTRY(continuous_pause_events),
440 	BNXT_RX_STATS_EXT_ENTRY(resume_pause_events),
441 	BNXT_RX_STATS_EXT_ENTRY(continuous_roce_pause_events),
442 	BNXT_RX_STATS_EXT_ENTRY(resume_roce_pause_events),
443 	BNXT_RX_STATS_EXT_COS_ENTRIES,
444 	BNXT_RX_STATS_EXT_PFC_ENTRIES,
445 	BNXT_RX_STATS_EXT_ENTRY(rx_bits),
446 	BNXT_RX_STATS_EXT_ENTRY(rx_buffer_passed_threshold),
447 	BNXT_RX_STATS_EXT_ENTRY(rx_pcs_symbol_err),
448 	BNXT_RX_STATS_EXT_ENTRY(rx_corrected_bits),
449 	BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES,
450 	BNXT_RX_STATS_EXT_ENTRY(rx_fec_corrected_blocks),
451 	BNXT_RX_STATS_EXT_ENTRY(rx_fec_uncorrectable_blocks),
452 };
453 
454 static const struct {
455 	long offset;
456 	char string[ETH_GSTRING_LEN];
457 } bnxt_tx_port_stats_ext_arr[] = {
458 	BNXT_TX_STATS_EXT_COS_ENTRIES,
459 	BNXT_TX_STATS_EXT_PFC_ENTRIES,
460 };
461 
462 static const struct {
463 	long base_off;
464 	char string[ETH_GSTRING_LEN];
465 } bnxt_rx_bytes_pri_arr[] = {
466 	BNXT_RX_STATS_PRI_ENTRIES(rx_bytes),
467 };
468 
469 static const struct {
470 	long base_off;
471 	char string[ETH_GSTRING_LEN];
472 } bnxt_rx_pkts_pri_arr[] = {
473 	BNXT_RX_STATS_PRI_ENTRIES(rx_packets),
474 };
475 
476 static const struct {
477 	long base_off;
478 	char string[ETH_GSTRING_LEN];
479 } bnxt_tx_bytes_pri_arr[] = {
480 	BNXT_TX_STATS_PRI_ENTRIES(tx_bytes),
481 };
482 
483 static const struct {
484 	long base_off;
485 	char string[ETH_GSTRING_LEN];
486 } bnxt_tx_pkts_pri_arr[] = {
487 	BNXT_TX_STATS_PRI_ENTRIES(tx_packets),
488 };
489 
490 #define BNXT_NUM_SW_FUNC_STATS	ARRAY_SIZE(bnxt_sw_func_stats)
491 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
492 #define BNXT_NUM_STATS_PRI			\
493 	(ARRAY_SIZE(bnxt_rx_bytes_pri_arr) +	\
494 	 ARRAY_SIZE(bnxt_rx_pkts_pri_arr) +	\
495 	 ARRAY_SIZE(bnxt_tx_bytes_pri_arr) +	\
496 	 ARRAY_SIZE(bnxt_tx_pkts_pri_arr))
497 
498 static int bnxt_get_num_tpa_ring_stats(struct bnxt *bp)
499 {
500 	if (BNXT_SUPPORTS_TPA(bp)) {
501 		if (bp->max_tpa_v2) {
502 			if (BNXT_CHIP_P5_THOR(bp))
503 				return BNXT_NUM_TPA_RING_STATS_P5;
504 			return BNXT_NUM_TPA_RING_STATS_P5_SR2;
505 		}
506 		return BNXT_NUM_TPA_RING_STATS;
507 	}
508 	return 0;
509 }
510 
511 static int bnxt_get_num_ring_stats(struct bnxt *bp)
512 {
513 	int rx, tx, cmn;
514 
515 	rx = NUM_RING_RX_HW_STATS + NUM_RING_RX_SW_STATS +
516 	     bnxt_get_num_tpa_ring_stats(bp);
517 	tx = NUM_RING_TX_HW_STATS;
518 	cmn = NUM_RING_CMN_SW_STATS;
519 	return rx * bp->rx_nr_rings + tx * bp->tx_nr_rings +
520 	       cmn * bp->cp_nr_rings;
521 }
522 
523 static int bnxt_get_num_stats(struct bnxt *bp)
524 {
525 	int num_stats = bnxt_get_num_ring_stats(bp);
526 
527 	num_stats += BNXT_NUM_SW_FUNC_STATS;
528 
529 	if (bp->flags & BNXT_FLAG_PORT_STATS)
530 		num_stats += BNXT_NUM_PORT_STATS;
531 
532 	if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
533 		num_stats += bp->fw_rx_stats_ext_size +
534 			     bp->fw_tx_stats_ext_size;
535 		if (bp->pri2cos_valid)
536 			num_stats += BNXT_NUM_STATS_PRI;
537 	}
538 
539 	return num_stats;
540 }
541 
542 static int bnxt_get_sset_count(struct net_device *dev, int sset)
543 {
544 	struct bnxt *bp = netdev_priv(dev);
545 
546 	switch (sset) {
547 	case ETH_SS_STATS:
548 		return bnxt_get_num_stats(bp);
549 	case ETH_SS_TEST:
550 		if (!bp->num_tests)
551 			return -EOPNOTSUPP;
552 		return bp->num_tests;
553 	default:
554 		return -EOPNOTSUPP;
555 	}
556 }
557 
558 static bool is_rx_ring(struct bnxt *bp, int ring_num)
559 {
560 	return ring_num < bp->rx_nr_rings;
561 }
562 
563 static bool is_tx_ring(struct bnxt *bp, int ring_num)
564 {
565 	int tx_base = 0;
566 
567 	if (!(bp->flags & BNXT_FLAG_SHARED_RINGS))
568 		tx_base = bp->rx_nr_rings;
569 
570 	if (ring_num >= tx_base && ring_num < (tx_base + bp->tx_nr_rings))
571 		return true;
572 	return false;
573 }
574 
575 static void bnxt_get_ethtool_stats(struct net_device *dev,
576 				   struct ethtool_stats *stats, u64 *buf)
577 {
578 	u32 i, j = 0;
579 	struct bnxt *bp = netdev_priv(dev);
580 	u32 tpa_stats;
581 
582 	if (!bp->bnapi) {
583 		j += bnxt_get_num_ring_stats(bp) + BNXT_NUM_SW_FUNC_STATS;
584 		goto skip_ring_stats;
585 	}
586 
587 	for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
588 		bnxt_sw_func_stats[i].counter = 0;
589 
590 	tpa_stats = bnxt_get_num_tpa_ring_stats(bp);
591 	for (i = 0; i < bp->cp_nr_rings; i++) {
592 		struct bnxt_napi *bnapi = bp->bnapi[i];
593 		struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
594 		u64 *sw_stats = cpr->stats.sw_stats;
595 		u64 *sw;
596 		int k;
597 
598 		if (is_rx_ring(bp, i)) {
599 			for (k = 0; k < NUM_RING_RX_HW_STATS; j++, k++)
600 				buf[j] = sw_stats[k];
601 		}
602 		if (is_tx_ring(bp, i)) {
603 			k = NUM_RING_RX_HW_STATS;
604 			for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
605 			       j++, k++)
606 				buf[j] = sw_stats[k];
607 		}
608 		if (!tpa_stats || !is_rx_ring(bp, i))
609 			goto skip_tpa_ring_stats;
610 
611 		k = NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
612 		for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS +
613 			   tpa_stats; j++, k++)
614 			buf[j] = sw_stats[k];
615 
616 skip_tpa_ring_stats:
617 		sw = (u64 *)&cpr->sw_stats.rx;
618 		if (is_rx_ring(bp, i)) {
619 			for (k = 0; k < NUM_RING_RX_SW_STATS; j++, k++)
620 				buf[j] = sw[k];
621 		}
622 
623 		sw = (u64 *)&cpr->sw_stats.cmn;
624 		for (k = 0; k < NUM_RING_CMN_SW_STATS; j++, k++)
625 			buf[j] = sw[k];
626 
627 		bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
628 			BNXT_GET_RING_STATS64(sw_stats, rx_discard_pkts);
629 		bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
630 			BNXT_GET_RING_STATS64(sw_stats, tx_discard_pkts);
631 		bnxt_sw_func_stats[RX_NETPOLL_DISCARDS].counter +=
632 			cpr->sw_stats.rx.rx_netpoll_discards;
633 	}
634 
635 	for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++, j++)
636 		buf[j] = bnxt_sw_func_stats[i].counter;
637 
638 skip_ring_stats:
639 	if (bp->flags & BNXT_FLAG_PORT_STATS) {
640 		u64 *port_stats = bp->port_stats.sw_stats;
641 
642 		for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++)
643 			buf[j] = *(port_stats + bnxt_port_stats_arr[i].offset);
644 	}
645 	if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
646 		u64 *rx_port_stats_ext = bp->rx_port_stats_ext.sw_stats;
647 		u64 *tx_port_stats_ext = bp->tx_port_stats_ext.sw_stats;
648 
649 		for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) {
650 			buf[j] = *(rx_port_stats_ext +
651 				   bnxt_port_stats_ext_arr[i].offset);
652 		}
653 		for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) {
654 			buf[j] = *(tx_port_stats_ext +
655 				   bnxt_tx_port_stats_ext_arr[i].offset);
656 		}
657 		if (bp->pri2cos_valid) {
658 			for (i = 0; i < 8; i++, j++) {
659 				long n = bnxt_rx_bytes_pri_arr[i].base_off +
660 					 bp->pri2cos_idx[i];
661 
662 				buf[j] = *(rx_port_stats_ext + n);
663 			}
664 			for (i = 0; i < 8; i++, j++) {
665 				long n = bnxt_rx_pkts_pri_arr[i].base_off +
666 					 bp->pri2cos_idx[i];
667 
668 				buf[j] = *(rx_port_stats_ext + n);
669 			}
670 			for (i = 0; i < 8; i++, j++) {
671 				long n = bnxt_tx_bytes_pri_arr[i].base_off +
672 					 bp->pri2cos_idx[i];
673 
674 				buf[j] = *(tx_port_stats_ext + n);
675 			}
676 			for (i = 0; i < 8; i++, j++) {
677 				long n = bnxt_tx_pkts_pri_arr[i].base_off +
678 					 bp->pri2cos_idx[i];
679 
680 				buf[j] = *(tx_port_stats_ext + n);
681 			}
682 		}
683 	}
684 }
685 
686 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
687 {
688 	struct bnxt *bp = netdev_priv(dev);
689 	static const char * const *str;
690 	u32 i, j, num_str;
691 
692 	switch (stringset) {
693 	case ETH_SS_STATS:
694 		for (i = 0; i < bp->cp_nr_rings; i++) {
695 			if (is_rx_ring(bp, i)) {
696 				num_str = NUM_RING_RX_HW_STATS;
697 				for (j = 0; j < num_str; j++) {
698 					sprintf(buf, "[%d]: %s", i,
699 						bnxt_ring_rx_stats_str[j]);
700 					buf += ETH_GSTRING_LEN;
701 				}
702 			}
703 			if (is_tx_ring(bp, i)) {
704 				num_str = NUM_RING_TX_HW_STATS;
705 				for (j = 0; j < num_str; j++) {
706 					sprintf(buf, "[%d]: %s", i,
707 						bnxt_ring_tx_stats_str[j]);
708 					buf += ETH_GSTRING_LEN;
709 				}
710 			}
711 			num_str = bnxt_get_num_tpa_ring_stats(bp);
712 			if (!num_str || !is_rx_ring(bp, i))
713 				goto skip_tpa_stats;
714 
715 			if (bp->max_tpa_v2)
716 				str = bnxt_ring_tpa2_stats_str;
717 			else
718 				str = bnxt_ring_tpa_stats_str;
719 
720 			for (j = 0; j < num_str; j++) {
721 				sprintf(buf, "[%d]: %s", i, str[j]);
722 				buf += ETH_GSTRING_LEN;
723 			}
724 skip_tpa_stats:
725 			if (is_rx_ring(bp, i)) {
726 				num_str = NUM_RING_RX_SW_STATS;
727 				for (j = 0; j < num_str; j++) {
728 					sprintf(buf, "[%d]: %s", i,
729 						bnxt_rx_sw_stats_str[j]);
730 					buf += ETH_GSTRING_LEN;
731 				}
732 			}
733 			num_str = NUM_RING_CMN_SW_STATS;
734 			for (j = 0; j < num_str; j++) {
735 				sprintf(buf, "[%d]: %s", i,
736 					bnxt_cmn_sw_stats_str[j]);
737 				buf += ETH_GSTRING_LEN;
738 			}
739 		}
740 		for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
741 			strcpy(buf, bnxt_sw_func_stats[i].string);
742 			buf += ETH_GSTRING_LEN;
743 		}
744 
745 		if (bp->flags & BNXT_FLAG_PORT_STATS) {
746 			for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
747 				strcpy(buf, bnxt_port_stats_arr[i].string);
748 				buf += ETH_GSTRING_LEN;
749 			}
750 		}
751 		if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
752 			for (i = 0; i < bp->fw_rx_stats_ext_size; i++) {
753 				strcpy(buf, bnxt_port_stats_ext_arr[i].string);
754 				buf += ETH_GSTRING_LEN;
755 			}
756 			for (i = 0; i < bp->fw_tx_stats_ext_size; i++) {
757 				strcpy(buf,
758 				       bnxt_tx_port_stats_ext_arr[i].string);
759 				buf += ETH_GSTRING_LEN;
760 			}
761 			if (bp->pri2cos_valid) {
762 				for (i = 0; i < 8; i++) {
763 					strcpy(buf,
764 					       bnxt_rx_bytes_pri_arr[i].string);
765 					buf += ETH_GSTRING_LEN;
766 				}
767 				for (i = 0; i < 8; i++) {
768 					strcpy(buf,
769 					       bnxt_rx_pkts_pri_arr[i].string);
770 					buf += ETH_GSTRING_LEN;
771 				}
772 				for (i = 0; i < 8; i++) {
773 					strcpy(buf,
774 					       bnxt_tx_bytes_pri_arr[i].string);
775 					buf += ETH_GSTRING_LEN;
776 				}
777 				for (i = 0; i < 8; i++) {
778 					strcpy(buf,
779 					       bnxt_tx_pkts_pri_arr[i].string);
780 					buf += ETH_GSTRING_LEN;
781 				}
782 			}
783 		}
784 		break;
785 	case ETH_SS_TEST:
786 		if (bp->num_tests)
787 			memcpy(buf, bp->test_info->string,
788 			       bp->num_tests * ETH_GSTRING_LEN);
789 		break;
790 	default:
791 		netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
792 			   stringset);
793 		break;
794 	}
795 }
796 
797 static void bnxt_get_ringparam(struct net_device *dev,
798 			       struct ethtool_ringparam *ering,
799 			       struct kernel_ethtool_ringparam *kernel_ering,
800 			       struct netlink_ext_ack *extack)
801 {
802 	struct bnxt *bp = netdev_priv(dev);
803 
804 	if (bp->flags & BNXT_FLAG_AGG_RINGS) {
805 		ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT_JUM_ENA;
806 		ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
807 		kernel_ering->tcp_data_split = ETHTOOL_TCP_DATA_SPLIT_ENABLED;
808 	} else {
809 		ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
810 		ering->rx_jumbo_max_pending = 0;
811 		kernel_ering->tcp_data_split = ETHTOOL_TCP_DATA_SPLIT_DISABLED;
812 	}
813 	ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
814 
815 	ering->rx_pending = bp->rx_ring_size;
816 	ering->rx_jumbo_pending = bp->rx_agg_ring_size;
817 	ering->tx_pending = bp->tx_ring_size;
818 }
819 
820 static int bnxt_set_ringparam(struct net_device *dev,
821 			      struct ethtool_ringparam *ering,
822 			      struct kernel_ethtool_ringparam *kernel_ering,
823 			      struct netlink_ext_ack *extack)
824 {
825 	struct bnxt *bp = netdev_priv(dev);
826 
827 	if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
828 	    (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
829 	    (ering->tx_pending < BNXT_MIN_TX_DESC_CNT))
830 		return -EINVAL;
831 
832 	if (netif_running(dev))
833 		bnxt_close_nic(bp, false, false);
834 
835 	bp->rx_ring_size = ering->rx_pending;
836 	bp->tx_ring_size = ering->tx_pending;
837 	bnxt_set_ring_params(bp);
838 
839 	if (netif_running(dev))
840 		return bnxt_open_nic(bp, false, false);
841 
842 	return 0;
843 }
844 
845 static void bnxt_get_channels(struct net_device *dev,
846 			      struct ethtool_channels *channel)
847 {
848 	struct bnxt *bp = netdev_priv(dev);
849 	struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
850 	int max_rx_rings, max_tx_rings, tcs;
851 	int max_tx_sch_inputs, tx_grps;
852 
853 	/* Get the most up-to-date max_tx_sch_inputs. */
854 	if (netif_running(dev) && BNXT_NEW_RM(bp))
855 		bnxt_hwrm_func_resc_qcaps(bp, false);
856 	max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
857 
858 	bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
859 	if (max_tx_sch_inputs)
860 		max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
861 
862 	tcs = netdev_get_num_tc(dev);
863 	tx_grps = max(tcs, 1);
864 	if (bp->tx_nr_rings_xdp)
865 		tx_grps++;
866 	max_tx_rings /= tx_grps;
867 	channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
868 
869 	if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
870 		max_rx_rings = 0;
871 		max_tx_rings = 0;
872 	}
873 	if (max_tx_sch_inputs)
874 		max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
875 
876 	if (tcs > 1)
877 		max_tx_rings /= tcs;
878 
879 	channel->max_rx = max_rx_rings;
880 	channel->max_tx = max_tx_rings;
881 	channel->max_other = 0;
882 	if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
883 		channel->combined_count = bp->rx_nr_rings;
884 		if (BNXT_CHIP_TYPE_NITRO_A0(bp))
885 			channel->combined_count--;
886 	} else {
887 		if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
888 			channel->rx_count = bp->rx_nr_rings;
889 			channel->tx_count = bp->tx_nr_rings_per_tc;
890 		}
891 	}
892 }
893 
894 static int bnxt_set_channels(struct net_device *dev,
895 			     struct ethtool_channels *channel)
896 {
897 	struct bnxt *bp = netdev_priv(dev);
898 	int req_tx_rings, req_rx_rings, tcs;
899 	bool sh = false;
900 	int tx_xdp = 0;
901 	int rc = 0;
902 
903 	if (channel->other_count)
904 		return -EINVAL;
905 
906 	if (!channel->combined_count &&
907 	    (!channel->rx_count || !channel->tx_count))
908 		return -EINVAL;
909 
910 	if (channel->combined_count &&
911 	    (channel->rx_count || channel->tx_count))
912 		return -EINVAL;
913 
914 	if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
915 					    channel->tx_count))
916 		return -EINVAL;
917 
918 	if (channel->combined_count)
919 		sh = true;
920 
921 	tcs = netdev_get_num_tc(dev);
922 
923 	req_tx_rings = sh ? channel->combined_count : channel->tx_count;
924 	req_rx_rings = sh ? channel->combined_count : channel->rx_count;
925 	if (bp->tx_nr_rings_xdp) {
926 		if (!sh) {
927 			netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
928 			return -EINVAL;
929 		}
930 		tx_xdp = req_rx_rings;
931 	}
932 	rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
933 	if (rc) {
934 		netdev_warn(dev, "Unable to allocate the requested rings\n");
935 		return rc;
936 	}
937 
938 	if (bnxt_get_nr_rss_ctxs(bp, req_rx_rings) !=
939 	    bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings) &&
940 	    netif_is_rxfh_configured(dev)) {
941 		netdev_warn(dev, "RSS table size change required, RSS table entries must be default to proceed\n");
942 		return -EINVAL;
943 	}
944 
945 	if (netif_running(dev)) {
946 		if (BNXT_PF(bp)) {
947 			/* TODO CHIMP_FW: Send message to all VF's
948 			 * before PF unload
949 			 */
950 		}
951 		rc = bnxt_close_nic(bp, true, false);
952 		if (rc) {
953 			netdev_err(bp->dev, "Set channel failure rc :%x\n",
954 				   rc);
955 			return rc;
956 		}
957 	}
958 
959 	if (sh) {
960 		bp->flags |= BNXT_FLAG_SHARED_RINGS;
961 		bp->rx_nr_rings = channel->combined_count;
962 		bp->tx_nr_rings_per_tc = channel->combined_count;
963 	} else {
964 		bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
965 		bp->rx_nr_rings = channel->rx_count;
966 		bp->tx_nr_rings_per_tc = channel->tx_count;
967 	}
968 	bp->tx_nr_rings_xdp = tx_xdp;
969 	bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
970 	if (tcs > 1)
971 		bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
972 
973 	bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
974 			       bp->tx_nr_rings + bp->rx_nr_rings;
975 
976 	/* After changing number of rx channels, update NTUPLE feature. */
977 	netdev_update_features(dev);
978 	if (netif_running(dev)) {
979 		rc = bnxt_open_nic(bp, true, false);
980 		if ((!rc) && BNXT_PF(bp)) {
981 			/* TODO CHIMP_FW: Send message to all VF's
982 			 * to renable
983 			 */
984 		}
985 	} else {
986 		rc = bnxt_reserve_rings(bp, true);
987 	}
988 
989 	return rc;
990 }
991 
992 #ifdef CONFIG_RFS_ACCEL
993 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
994 			    u32 *rule_locs)
995 {
996 	int i, j = 0;
997 
998 	cmd->data = bp->ntp_fltr_count;
999 	for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
1000 		struct hlist_head *head;
1001 		struct bnxt_ntuple_filter *fltr;
1002 
1003 		head = &bp->ntp_fltr_hash_tbl[i];
1004 		rcu_read_lock();
1005 		hlist_for_each_entry_rcu(fltr, head, hash) {
1006 			if (j == cmd->rule_cnt)
1007 				break;
1008 			rule_locs[j++] = fltr->sw_id;
1009 		}
1010 		rcu_read_unlock();
1011 		if (j == cmd->rule_cnt)
1012 			break;
1013 	}
1014 	cmd->rule_cnt = j;
1015 	return 0;
1016 }
1017 
1018 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
1019 {
1020 	struct ethtool_rx_flow_spec *fs =
1021 		(struct ethtool_rx_flow_spec *)&cmd->fs;
1022 	struct bnxt_ntuple_filter *fltr;
1023 	struct flow_keys *fkeys;
1024 	int i, rc = -EINVAL;
1025 
1026 	if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
1027 		return rc;
1028 
1029 	for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
1030 		struct hlist_head *head;
1031 
1032 		head = &bp->ntp_fltr_hash_tbl[i];
1033 		rcu_read_lock();
1034 		hlist_for_each_entry_rcu(fltr, head, hash) {
1035 			if (fltr->sw_id == fs->location)
1036 				goto fltr_found;
1037 		}
1038 		rcu_read_unlock();
1039 	}
1040 	return rc;
1041 
1042 fltr_found:
1043 	fkeys = &fltr->fkeys;
1044 	if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
1045 		if (fkeys->basic.ip_proto == IPPROTO_TCP)
1046 			fs->flow_type = TCP_V4_FLOW;
1047 		else if (fkeys->basic.ip_proto == IPPROTO_UDP)
1048 			fs->flow_type = UDP_V4_FLOW;
1049 		else
1050 			goto fltr_err;
1051 
1052 		fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
1053 		fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
1054 
1055 		fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
1056 		fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
1057 
1058 		fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
1059 		fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
1060 
1061 		fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
1062 		fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
1063 	} else {
1064 		int i;
1065 
1066 		if (fkeys->basic.ip_proto == IPPROTO_TCP)
1067 			fs->flow_type = TCP_V6_FLOW;
1068 		else if (fkeys->basic.ip_proto == IPPROTO_UDP)
1069 			fs->flow_type = UDP_V6_FLOW;
1070 		else
1071 			goto fltr_err;
1072 
1073 		*(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
1074 			fkeys->addrs.v6addrs.src;
1075 		*(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
1076 			fkeys->addrs.v6addrs.dst;
1077 		for (i = 0; i < 4; i++) {
1078 			fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
1079 			fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
1080 		}
1081 		fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
1082 		fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
1083 
1084 		fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
1085 		fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
1086 	}
1087 
1088 	fs->ring_cookie = fltr->rxq;
1089 	rc = 0;
1090 
1091 fltr_err:
1092 	rcu_read_unlock();
1093 
1094 	return rc;
1095 }
1096 #endif
1097 
1098 static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
1099 {
1100 	if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
1101 		return RXH_IP_SRC | RXH_IP_DST;
1102 	return 0;
1103 }
1104 
1105 static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
1106 {
1107 	if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
1108 		return RXH_IP_SRC | RXH_IP_DST;
1109 	return 0;
1110 }
1111 
1112 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
1113 {
1114 	cmd->data = 0;
1115 	switch (cmd->flow_type) {
1116 	case TCP_V4_FLOW:
1117 		if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
1118 			cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1119 				     RXH_L4_B_0_1 | RXH_L4_B_2_3;
1120 		cmd->data |= get_ethtool_ipv4_rss(bp);
1121 		break;
1122 	case UDP_V4_FLOW:
1123 		if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
1124 			cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1125 				     RXH_L4_B_0_1 | RXH_L4_B_2_3;
1126 		fallthrough;
1127 	case SCTP_V4_FLOW:
1128 	case AH_ESP_V4_FLOW:
1129 	case AH_V4_FLOW:
1130 	case ESP_V4_FLOW:
1131 	case IPV4_FLOW:
1132 		cmd->data |= get_ethtool_ipv4_rss(bp);
1133 		break;
1134 
1135 	case TCP_V6_FLOW:
1136 		if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
1137 			cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1138 				     RXH_L4_B_0_1 | RXH_L4_B_2_3;
1139 		cmd->data |= get_ethtool_ipv6_rss(bp);
1140 		break;
1141 	case UDP_V6_FLOW:
1142 		if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
1143 			cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1144 				     RXH_L4_B_0_1 | RXH_L4_B_2_3;
1145 		fallthrough;
1146 	case SCTP_V6_FLOW:
1147 	case AH_ESP_V6_FLOW:
1148 	case AH_V6_FLOW:
1149 	case ESP_V6_FLOW:
1150 	case IPV6_FLOW:
1151 		cmd->data |= get_ethtool_ipv6_rss(bp);
1152 		break;
1153 	}
1154 	return 0;
1155 }
1156 
1157 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
1158 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
1159 
1160 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
1161 {
1162 	u32 rss_hash_cfg = bp->rss_hash_cfg;
1163 	int tuple, rc = 0;
1164 
1165 	if (cmd->data == RXH_4TUPLE)
1166 		tuple = 4;
1167 	else if (cmd->data == RXH_2TUPLE)
1168 		tuple = 2;
1169 	else if (!cmd->data)
1170 		tuple = 0;
1171 	else
1172 		return -EINVAL;
1173 
1174 	if (cmd->flow_type == TCP_V4_FLOW) {
1175 		rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
1176 		if (tuple == 4)
1177 			rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
1178 	} else if (cmd->flow_type == UDP_V4_FLOW) {
1179 		if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
1180 			return -EINVAL;
1181 		rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
1182 		if (tuple == 4)
1183 			rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
1184 	} else if (cmd->flow_type == TCP_V6_FLOW) {
1185 		rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
1186 		if (tuple == 4)
1187 			rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
1188 	} else if (cmd->flow_type == UDP_V6_FLOW) {
1189 		if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
1190 			return -EINVAL;
1191 		rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
1192 		if (tuple == 4)
1193 			rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
1194 	} else if (tuple == 4) {
1195 		return -EINVAL;
1196 	}
1197 
1198 	switch (cmd->flow_type) {
1199 	case TCP_V4_FLOW:
1200 	case UDP_V4_FLOW:
1201 	case SCTP_V4_FLOW:
1202 	case AH_ESP_V4_FLOW:
1203 	case AH_V4_FLOW:
1204 	case ESP_V4_FLOW:
1205 	case IPV4_FLOW:
1206 		if (tuple == 2)
1207 			rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
1208 		else if (!tuple)
1209 			rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
1210 		break;
1211 
1212 	case TCP_V6_FLOW:
1213 	case UDP_V6_FLOW:
1214 	case SCTP_V6_FLOW:
1215 	case AH_ESP_V6_FLOW:
1216 	case AH_V6_FLOW:
1217 	case ESP_V6_FLOW:
1218 	case IPV6_FLOW:
1219 		if (tuple == 2)
1220 			rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
1221 		else if (!tuple)
1222 			rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
1223 		break;
1224 	}
1225 
1226 	if (bp->rss_hash_cfg == rss_hash_cfg)
1227 		return 0;
1228 
1229 	bp->rss_hash_cfg = rss_hash_cfg;
1230 	if (netif_running(bp->dev)) {
1231 		bnxt_close_nic(bp, false, false);
1232 		rc = bnxt_open_nic(bp, false, false);
1233 	}
1234 	return rc;
1235 }
1236 
1237 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1238 			  u32 *rule_locs)
1239 {
1240 	struct bnxt *bp = netdev_priv(dev);
1241 	int rc = 0;
1242 
1243 	switch (cmd->cmd) {
1244 #ifdef CONFIG_RFS_ACCEL
1245 	case ETHTOOL_GRXRINGS:
1246 		cmd->data = bp->rx_nr_rings;
1247 		break;
1248 
1249 	case ETHTOOL_GRXCLSRLCNT:
1250 		cmd->rule_cnt = bp->ntp_fltr_count;
1251 		cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
1252 		break;
1253 
1254 	case ETHTOOL_GRXCLSRLALL:
1255 		rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
1256 		break;
1257 
1258 	case ETHTOOL_GRXCLSRULE:
1259 		rc = bnxt_grxclsrule(bp, cmd);
1260 		break;
1261 #endif
1262 
1263 	case ETHTOOL_GRXFH:
1264 		rc = bnxt_grxfh(bp, cmd);
1265 		break;
1266 
1267 	default:
1268 		rc = -EOPNOTSUPP;
1269 		break;
1270 	}
1271 
1272 	return rc;
1273 }
1274 
1275 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1276 {
1277 	struct bnxt *bp = netdev_priv(dev);
1278 	int rc;
1279 
1280 	switch (cmd->cmd) {
1281 	case ETHTOOL_SRXFH:
1282 		rc = bnxt_srxfh(bp, cmd);
1283 		break;
1284 
1285 	default:
1286 		rc = -EOPNOTSUPP;
1287 		break;
1288 	}
1289 	return rc;
1290 }
1291 
1292 u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
1293 {
1294 	struct bnxt *bp = netdev_priv(dev);
1295 
1296 	if (bp->flags & BNXT_FLAG_CHIP_P5)
1297 		return ALIGN(bp->rx_nr_rings, BNXT_RSS_TABLE_ENTRIES_P5);
1298 	return HW_HASH_INDEX_SIZE;
1299 }
1300 
1301 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
1302 {
1303 	return HW_HASH_KEY_SIZE;
1304 }
1305 
1306 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
1307 			 u8 *hfunc)
1308 {
1309 	struct bnxt *bp = netdev_priv(dev);
1310 	struct bnxt_vnic_info *vnic;
1311 	u32 i, tbl_size;
1312 
1313 	if (hfunc)
1314 		*hfunc = ETH_RSS_HASH_TOP;
1315 
1316 	if (!bp->vnic_info)
1317 		return 0;
1318 
1319 	vnic = &bp->vnic_info[0];
1320 	if (indir && bp->rss_indir_tbl) {
1321 		tbl_size = bnxt_get_rxfh_indir_size(dev);
1322 		for (i = 0; i < tbl_size; i++)
1323 			indir[i] = bp->rss_indir_tbl[i];
1324 	}
1325 
1326 	if (key && vnic->rss_hash_key)
1327 		memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
1328 
1329 	return 0;
1330 }
1331 
1332 static int bnxt_set_rxfh(struct net_device *dev, const u32 *indir,
1333 			 const u8 *key, const u8 hfunc)
1334 {
1335 	struct bnxt *bp = netdev_priv(dev);
1336 	int rc = 0;
1337 
1338 	if (hfunc && hfunc != ETH_RSS_HASH_TOP)
1339 		return -EOPNOTSUPP;
1340 
1341 	if (key)
1342 		return -EOPNOTSUPP;
1343 
1344 	if (indir) {
1345 		u32 i, pad, tbl_size = bnxt_get_rxfh_indir_size(dev);
1346 
1347 		for (i = 0; i < tbl_size; i++)
1348 			bp->rss_indir_tbl[i] = indir[i];
1349 		pad = bp->rss_indir_tbl_entries - tbl_size;
1350 		if (pad)
1351 			memset(&bp->rss_indir_tbl[i], 0, pad * sizeof(u16));
1352 	}
1353 
1354 	if (netif_running(bp->dev)) {
1355 		bnxt_close_nic(bp, false, false);
1356 		rc = bnxt_open_nic(bp, false, false);
1357 	}
1358 	return rc;
1359 }
1360 
1361 static void bnxt_get_drvinfo(struct net_device *dev,
1362 			     struct ethtool_drvinfo *info)
1363 {
1364 	struct bnxt *bp = netdev_priv(dev);
1365 
1366 	strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1367 	strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
1368 	strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1369 	info->n_stats = bnxt_get_num_stats(bp);
1370 	info->testinfo_len = bp->num_tests;
1371 	/* TODO CHIMP_FW: eeprom dump details */
1372 	info->eedump_len = 0;
1373 	/* TODO CHIMP FW: reg dump details */
1374 	info->regdump_len = 0;
1375 }
1376 
1377 static int bnxt_get_regs_len(struct net_device *dev)
1378 {
1379 	struct bnxt *bp = netdev_priv(dev);
1380 	int reg_len;
1381 
1382 	if (!BNXT_PF(bp))
1383 		return -EOPNOTSUPP;
1384 
1385 	reg_len = BNXT_PXP_REG_LEN;
1386 
1387 	if (bp->fw_cap & BNXT_FW_CAP_PCIE_STATS_SUPPORTED)
1388 		reg_len += sizeof(struct pcie_ctx_hw_stats);
1389 
1390 	return reg_len;
1391 }
1392 
1393 static void bnxt_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1394 			  void *_p)
1395 {
1396 	struct pcie_ctx_hw_stats *hw_pcie_stats;
1397 	struct hwrm_pcie_qstats_input *req;
1398 	struct bnxt *bp = netdev_priv(dev);
1399 	dma_addr_t hw_pcie_stats_addr;
1400 	int rc;
1401 
1402 	regs->version = 0;
1403 	bnxt_dbg_hwrm_rd_reg(bp, 0, BNXT_PXP_REG_LEN / 4, _p);
1404 
1405 	if (!(bp->fw_cap & BNXT_FW_CAP_PCIE_STATS_SUPPORTED))
1406 		return;
1407 
1408 	if (hwrm_req_init(bp, req, HWRM_PCIE_QSTATS))
1409 		return;
1410 
1411 	hw_pcie_stats = hwrm_req_dma_slice(bp, req, sizeof(*hw_pcie_stats),
1412 					   &hw_pcie_stats_addr);
1413 	if (!hw_pcie_stats) {
1414 		hwrm_req_drop(bp, req);
1415 		return;
1416 	}
1417 
1418 	regs->version = 1;
1419 	hwrm_req_hold(bp, req); /* hold on to slice */
1420 	req->pcie_stat_size = cpu_to_le16(sizeof(*hw_pcie_stats));
1421 	req->pcie_stat_host_addr = cpu_to_le64(hw_pcie_stats_addr);
1422 	rc = hwrm_req_send(bp, req);
1423 	if (!rc) {
1424 		__le64 *src = (__le64 *)hw_pcie_stats;
1425 		u64 *dst = (u64 *)(_p + BNXT_PXP_REG_LEN);
1426 		int i;
1427 
1428 		for (i = 0; i < sizeof(*hw_pcie_stats) / sizeof(__le64); i++)
1429 			dst[i] = le64_to_cpu(src[i]);
1430 	}
1431 	hwrm_req_drop(bp, req);
1432 }
1433 
1434 static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1435 {
1436 	struct bnxt *bp = netdev_priv(dev);
1437 
1438 	wol->supported = 0;
1439 	wol->wolopts = 0;
1440 	memset(&wol->sopass, 0, sizeof(wol->sopass));
1441 	if (bp->flags & BNXT_FLAG_WOL_CAP) {
1442 		wol->supported = WAKE_MAGIC;
1443 		if (bp->wol)
1444 			wol->wolopts = WAKE_MAGIC;
1445 	}
1446 }
1447 
1448 static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1449 {
1450 	struct bnxt *bp = netdev_priv(dev);
1451 
1452 	if (wol->wolopts & ~WAKE_MAGIC)
1453 		return -EINVAL;
1454 
1455 	if (wol->wolopts & WAKE_MAGIC) {
1456 		if (!(bp->flags & BNXT_FLAG_WOL_CAP))
1457 			return -EINVAL;
1458 		if (!bp->wol) {
1459 			if (bnxt_hwrm_alloc_wol_fltr(bp))
1460 				return -EBUSY;
1461 			bp->wol = 1;
1462 		}
1463 	} else {
1464 		if (bp->wol) {
1465 			if (bnxt_hwrm_free_wol_fltr(bp))
1466 				return -EBUSY;
1467 			bp->wol = 0;
1468 		}
1469 	}
1470 	return 0;
1471 }
1472 
1473 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
1474 {
1475 	u32 speed_mask = 0;
1476 
1477 	/* TODO: support 25GB, 40GB, 50GB with different cable type */
1478 	/* set the advertised speeds */
1479 	if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
1480 		speed_mask |= ADVERTISED_100baseT_Full;
1481 	if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
1482 		speed_mask |= ADVERTISED_1000baseT_Full;
1483 	if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
1484 		speed_mask |= ADVERTISED_2500baseX_Full;
1485 	if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
1486 		speed_mask |= ADVERTISED_10000baseT_Full;
1487 	if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
1488 		speed_mask |= ADVERTISED_40000baseCR4_Full;
1489 
1490 	if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
1491 		speed_mask |= ADVERTISED_Pause;
1492 	else if (fw_pause & BNXT_LINK_PAUSE_TX)
1493 		speed_mask |= ADVERTISED_Asym_Pause;
1494 	else if (fw_pause & BNXT_LINK_PAUSE_RX)
1495 		speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
1496 
1497 	return speed_mask;
1498 }
1499 
1500 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
1501 {									\
1502 	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB)			\
1503 		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1504 						     100baseT_Full);	\
1505 	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB)			\
1506 		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1507 						     1000baseT_Full);	\
1508 	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB)			\
1509 		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1510 						     10000baseT_Full);	\
1511 	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB)			\
1512 		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1513 						     25000baseCR_Full);	\
1514 	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB)			\
1515 		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1516 						     40000baseCR4_Full);\
1517 	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB)			\
1518 		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1519 						     50000baseCR2_Full);\
1520 	if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB)			\
1521 		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1522 						     100000baseCR4_Full);\
1523 	if ((fw_pause) & BNXT_LINK_PAUSE_RX) {				\
1524 		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1525 						     Pause);		\
1526 		if (!((fw_pause) & BNXT_LINK_PAUSE_TX))			\
1527 			ethtool_link_ksettings_add_link_mode(		\
1528 					lk_ksettings, name, Asym_Pause);\
1529 	} else if ((fw_pause) & BNXT_LINK_PAUSE_TX) {			\
1530 		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1531 						     Asym_Pause);	\
1532 	}								\
1533 }
1534 
1535 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name)		\
1536 {									\
1537 	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
1538 						  100baseT_Full) ||	\
1539 	    ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
1540 						  100baseT_Half))	\
1541 		(fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB;		\
1542 	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
1543 						  1000baseT_Full) ||	\
1544 	    ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
1545 						  1000baseT_Half))	\
1546 		(fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB;			\
1547 	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
1548 						  10000baseT_Full))	\
1549 		(fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB;		\
1550 	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
1551 						  25000baseCR_Full))	\
1552 		(fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB;		\
1553 	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
1554 						  40000baseCR4_Full))	\
1555 		(fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB;		\
1556 	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
1557 						  50000baseCR2_Full))	\
1558 		(fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB;		\
1559 	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
1560 						  100000baseCR4_Full))	\
1561 		(fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB;		\
1562 }
1563 
1564 #define BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, name)	\
1565 {									\
1566 	if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_50GB)		\
1567 		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1568 						     50000baseCR_Full);	\
1569 	if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_100GB)		\
1570 		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1571 						     100000baseCR2_Full);\
1572 	if ((fw_speeds) & BNXT_LINK_PAM4_SPEED_MSK_200GB)		\
1573 		ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1574 						     200000baseCR4_Full);\
1575 }
1576 
1577 #define BNXT_ETHTOOL_TO_FW_PAM4_SPDS(fw_speeds, lk_ksettings, name)	\
1578 {									\
1579 	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
1580 						  50000baseCR_Full))	\
1581 		(fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_50GB;		\
1582 	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
1583 						  100000baseCR2_Full))	\
1584 		(fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_100GB;		\
1585 	if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,	\
1586 						  200000baseCR4_Full))	\
1587 		(fw_speeds) |= BNXT_LINK_PAM4_SPEED_MSK_200GB;		\
1588 }
1589 
1590 static void bnxt_fw_to_ethtool_advertised_fec(struct bnxt_link_info *link_info,
1591 				struct ethtool_link_ksettings *lk_ksettings)
1592 {
1593 	u16 fec_cfg = link_info->fec_cfg;
1594 
1595 	if ((fec_cfg & BNXT_FEC_NONE) || !(fec_cfg & BNXT_FEC_AUTONEG)) {
1596 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT,
1597 				 lk_ksettings->link_modes.advertising);
1598 		return;
1599 	}
1600 	if (fec_cfg & BNXT_FEC_ENC_BASE_R)
1601 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT,
1602 				 lk_ksettings->link_modes.advertising);
1603 	if (fec_cfg & BNXT_FEC_ENC_RS)
1604 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT,
1605 				 lk_ksettings->link_modes.advertising);
1606 	if (fec_cfg & BNXT_FEC_ENC_LLRS)
1607 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
1608 				 lk_ksettings->link_modes.advertising);
1609 }
1610 
1611 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
1612 				struct ethtool_link_ksettings *lk_ksettings)
1613 {
1614 	u16 fw_speeds = link_info->advertising;
1615 	u8 fw_pause = 0;
1616 
1617 	if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1618 		fw_pause = link_info->auto_pause_setting;
1619 
1620 	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
1621 	fw_speeds = link_info->advertising_pam4;
1622 	BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, advertising);
1623 	bnxt_fw_to_ethtool_advertised_fec(link_info, lk_ksettings);
1624 }
1625 
1626 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
1627 				struct ethtool_link_ksettings *lk_ksettings)
1628 {
1629 	u16 fw_speeds = link_info->lp_auto_link_speeds;
1630 	u8 fw_pause = 0;
1631 
1632 	if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1633 		fw_pause = link_info->lp_pause;
1634 
1635 	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
1636 				lp_advertising);
1637 	fw_speeds = link_info->lp_auto_pam4_link_speeds;
1638 	BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, lp_advertising);
1639 }
1640 
1641 static void bnxt_fw_to_ethtool_support_fec(struct bnxt_link_info *link_info,
1642 				struct ethtool_link_ksettings *lk_ksettings)
1643 {
1644 	u16 fec_cfg = link_info->fec_cfg;
1645 
1646 	if (fec_cfg & BNXT_FEC_NONE) {
1647 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_NONE_BIT,
1648 				 lk_ksettings->link_modes.supported);
1649 		return;
1650 	}
1651 	if (fec_cfg & BNXT_FEC_ENC_BASE_R_CAP)
1652 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_BASER_BIT,
1653 				 lk_ksettings->link_modes.supported);
1654 	if (fec_cfg & BNXT_FEC_ENC_RS_CAP)
1655 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_RS_BIT,
1656 				 lk_ksettings->link_modes.supported);
1657 	if (fec_cfg & BNXT_FEC_ENC_LLRS_CAP)
1658 		linkmode_set_bit(ETHTOOL_LINK_MODE_FEC_LLRS_BIT,
1659 				 lk_ksettings->link_modes.supported);
1660 }
1661 
1662 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
1663 				struct ethtool_link_ksettings *lk_ksettings)
1664 {
1665 	struct bnxt *bp = container_of(link_info, struct bnxt, link_info);
1666 	u16 fw_speeds = link_info->support_speeds;
1667 
1668 	BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
1669 	fw_speeds = link_info->support_pam4_speeds;
1670 	BNXT_FW_TO_ETHTOOL_PAM4_SPDS(fw_speeds, lk_ksettings, supported);
1671 
1672 	if (!(bp->phy_flags & BNXT_PHY_FL_NO_PAUSE)) {
1673 		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1674 						     Pause);
1675 		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1676 						     Asym_Pause);
1677 	}
1678 
1679 	if (link_info->support_auto_speeds ||
1680 	    link_info->support_pam4_auto_speeds)
1681 		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1682 						     Autoneg);
1683 	bnxt_fw_to_ethtool_support_fec(link_info, lk_ksettings);
1684 }
1685 
1686 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
1687 {
1688 	switch (fw_link_speed) {
1689 	case BNXT_LINK_SPEED_100MB:
1690 		return SPEED_100;
1691 	case BNXT_LINK_SPEED_1GB:
1692 		return SPEED_1000;
1693 	case BNXT_LINK_SPEED_2_5GB:
1694 		return SPEED_2500;
1695 	case BNXT_LINK_SPEED_10GB:
1696 		return SPEED_10000;
1697 	case BNXT_LINK_SPEED_20GB:
1698 		return SPEED_20000;
1699 	case BNXT_LINK_SPEED_25GB:
1700 		return SPEED_25000;
1701 	case BNXT_LINK_SPEED_40GB:
1702 		return SPEED_40000;
1703 	case BNXT_LINK_SPEED_50GB:
1704 		return SPEED_50000;
1705 	case BNXT_LINK_SPEED_100GB:
1706 		return SPEED_100000;
1707 	default:
1708 		return SPEED_UNKNOWN;
1709 	}
1710 }
1711 
1712 static int bnxt_get_link_ksettings(struct net_device *dev,
1713 				   struct ethtool_link_ksettings *lk_ksettings)
1714 {
1715 	struct bnxt *bp = netdev_priv(dev);
1716 	struct bnxt_link_info *link_info = &bp->link_info;
1717 	struct ethtool_link_settings *base = &lk_ksettings->base;
1718 	u32 ethtool_speed;
1719 
1720 	ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1721 	mutex_lock(&bp->link_lock);
1722 	bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
1723 
1724 	ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
1725 	if (link_info->autoneg) {
1726 		bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
1727 		ethtool_link_ksettings_add_link_mode(lk_ksettings,
1728 						     advertising, Autoneg);
1729 		base->autoneg = AUTONEG_ENABLE;
1730 		base->duplex = DUPLEX_UNKNOWN;
1731 		if (link_info->phy_link_status == BNXT_LINK_LINK) {
1732 			bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
1733 			if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
1734 				base->duplex = DUPLEX_FULL;
1735 			else
1736 				base->duplex = DUPLEX_HALF;
1737 		}
1738 		ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1739 	} else {
1740 		base->autoneg = AUTONEG_DISABLE;
1741 		ethtool_speed =
1742 			bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
1743 		base->duplex = DUPLEX_HALF;
1744 		if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
1745 			base->duplex = DUPLEX_FULL;
1746 	}
1747 	base->speed = ethtool_speed;
1748 
1749 	base->port = PORT_NONE;
1750 	if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1751 		base->port = PORT_TP;
1752 		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1753 						     TP);
1754 		ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1755 						     TP);
1756 	} else {
1757 		ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1758 						     FIBRE);
1759 		ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1760 						     FIBRE);
1761 
1762 		if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
1763 			base->port = PORT_DA;
1764 		else if (link_info->media_type ==
1765 			 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
1766 			base->port = PORT_FIBRE;
1767 	}
1768 	base->phy_address = link_info->phy_addr;
1769 	mutex_unlock(&bp->link_lock);
1770 
1771 	return 0;
1772 }
1773 
1774 static int bnxt_force_link_speed(struct net_device *dev, u32 ethtool_speed)
1775 {
1776 	struct bnxt *bp = netdev_priv(dev);
1777 	struct bnxt_link_info *link_info = &bp->link_info;
1778 	u16 support_pam4_spds = link_info->support_pam4_speeds;
1779 	u16 support_spds = link_info->support_speeds;
1780 	u8 sig_mode = BNXT_SIG_MODE_NRZ;
1781 	u16 fw_speed = 0;
1782 
1783 	switch (ethtool_speed) {
1784 	case SPEED_100:
1785 		if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1786 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100MB;
1787 		break;
1788 	case SPEED_1000:
1789 		if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1790 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
1791 		break;
1792 	case SPEED_2500:
1793 		if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1794 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_2_5GB;
1795 		break;
1796 	case SPEED_10000:
1797 		if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1798 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
1799 		break;
1800 	case SPEED_20000:
1801 		if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1802 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_20GB;
1803 		break;
1804 	case SPEED_25000:
1805 		if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1806 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
1807 		break;
1808 	case SPEED_40000:
1809 		if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1810 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
1811 		break;
1812 	case SPEED_50000:
1813 		if (support_spds & BNXT_LINK_SPEED_MSK_50GB) {
1814 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
1815 		} else if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_50GB) {
1816 			fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_50GB;
1817 			sig_mode = BNXT_SIG_MODE_PAM4;
1818 		}
1819 		break;
1820 	case SPEED_100000:
1821 		if (support_spds & BNXT_LINK_SPEED_MSK_100GB) {
1822 			fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_100GB;
1823 		} else if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_100GB) {
1824 			fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_100GB;
1825 			sig_mode = BNXT_SIG_MODE_PAM4;
1826 		}
1827 		break;
1828 	case SPEED_200000:
1829 		if (support_pam4_spds & BNXT_LINK_PAM4_SPEED_MSK_200GB) {
1830 			fw_speed = PORT_PHY_CFG_REQ_FORCE_PAM4_LINK_SPEED_200GB;
1831 			sig_mode = BNXT_SIG_MODE_PAM4;
1832 		}
1833 		break;
1834 	}
1835 
1836 	if (!fw_speed) {
1837 		netdev_err(dev, "unsupported speed!\n");
1838 		return -EINVAL;
1839 	}
1840 
1841 	if (link_info->req_link_speed == fw_speed &&
1842 	    link_info->req_signal_mode == sig_mode &&
1843 	    link_info->autoneg == 0)
1844 		return -EALREADY;
1845 
1846 	link_info->req_link_speed = fw_speed;
1847 	link_info->req_signal_mode = sig_mode;
1848 	link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
1849 	link_info->autoneg = 0;
1850 	link_info->advertising = 0;
1851 	link_info->advertising_pam4 = 0;
1852 
1853 	return 0;
1854 }
1855 
1856 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
1857 {
1858 	u16 fw_speed_mask = 0;
1859 
1860 	/* only support autoneg at speed 100, 1000, and 10000 */
1861 	if (advertising & (ADVERTISED_100baseT_Full |
1862 			   ADVERTISED_100baseT_Half)) {
1863 		fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1864 	}
1865 	if (advertising & (ADVERTISED_1000baseT_Full |
1866 			   ADVERTISED_1000baseT_Half)) {
1867 		fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1868 	}
1869 	if (advertising & ADVERTISED_10000baseT_Full)
1870 		fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1871 
1872 	if (advertising & ADVERTISED_40000baseCR4_Full)
1873 		fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1874 
1875 	return fw_speed_mask;
1876 }
1877 
1878 static int bnxt_set_link_ksettings(struct net_device *dev,
1879 			   const struct ethtool_link_ksettings *lk_ksettings)
1880 {
1881 	struct bnxt *bp = netdev_priv(dev);
1882 	struct bnxt_link_info *link_info = &bp->link_info;
1883 	const struct ethtool_link_settings *base = &lk_ksettings->base;
1884 	bool set_pause = false;
1885 	u32 speed;
1886 	int rc = 0;
1887 
1888 	if (!BNXT_PHY_CFG_ABLE(bp))
1889 		return -EOPNOTSUPP;
1890 
1891 	mutex_lock(&bp->link_lock);
1892 	if (base->autoneg == AUTONEG_ENABLE) {
1893 		link_info->advertising = 0;
1894 		link_info->advertising_pam4 = 0;
1895 		BNXT_ETHTOOL_TO_FW_SPDS(link_info->advertising, lk_ksettings,
1896 					advertising);
1897 		BNXT_ETHTOOL_TO_FW_PAM4_SPDS(link_info->advertising_pam4,
1898 					     lk_ksettings, advertising);
1899 		link_info->autoneg |= BNXT_AUTONEG_SPEED;
1900 		if (!link_info->advertising && !link_info->advertising_pam4) {
1901 			link_info->advertising = link_info->support_auto_speeds;
1902 			link_info->advertising_pam4 =
1903 				link_info->support_pam4_auto_speeds;
1904 		}
1905 		/* any change to autoneg will cause link change, therefore the
1906 		 * driver should put back the original pause setting in autoneg
1907 		 */
1908 		if (!(bp->phy_flags & BNXT_PHY_FL_NO_PAUSE))
1909 			set_pause = true;
1910 	} else {
1911 		u8 phy_type = link_info->phy_type;
1912 
1913 		if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET  ||
1914 		    phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1915 		    link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1916 			netdev_err(dev, "10GBase-T devices must autoneg\n");
1917 			rc = -EINVAL;
1918 			goto set_setting_exit;
1919 		}
1920 		if (base->duplex == DUPLEX_HALF) {
1921 			netdev_err(dev, "HALF DUPLEX is not supported!\n");
1922 			rc = -EINVAL;
1923 			goto set_setting_exit;
1924 		}
1925 		speed = base->speed;
1926 		rc = bnxt_force_link_speed(dev, speed);
1927 		if (rc) {
1928 			if (rc == -EALREADY)
1929 				rc = 0;
1930 			goto set_setting_exit;
1931 		}
1932 	}
1933 
1934 	if (netif_running(dev))
1935 		rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
1936 
1937 set_setting_exit:
1938 	mutex_unlock(&bp->link_lock);
1939 	return rc;
1940 }
1941 
1942 static int bnxt_get_fecparam(struct net_device *dev,
1943 			     struct ethtool_fecparam *fec)
1944 {
1945 	struct bnxt *bp = netdev_priv(dev);
1946 	struct bnxt_link_info *link_info;
1947 	u8 active_fec;
1948 	u16 fec_cfg;
1949 
1950 	link_info = &bp->link_info;
1951 	fec_cfg = link_info->fec_cfg;
1952 	active_fec = link_info->active_fec_sig_mode &
1953 		     PORT_PHY_QCFG_RESP_ACTIVE_FEC_MASK;
1954 	if (fec_cfg & BNXT_FEC_NONE) {
1955 		fec->fec = ETHTOOL_FEC_NONE;
1956 		fec->active_fec = ETHTOOL_FEC_NONE;
1957 		return 0;
1958 	}
1959 	if (fec_cfg & BNXT_FEC_AUTONEG)
1960 		fec->fec |= ETHTOOL_FEC_AUTO;
1961 	if (fec_cfg & BNXT_FEC_ENC_BASE_R)
1962 		fec->fec |= ETHTOOL_FEC_BASER;
1963 	if (fec_cfg & BNXT_FEC_ENC_RS)
1964 		fec->fec |= ETHTOOL_FEC_RS;
1965 	if (fec_cfg & BNXT_FEC_ENC_LLRS)
1966 		fec->fec |= ETHTOOL_FEC_LLRS;
1967 
1968 	switch (active_fec) {
1969 	case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_CLAUSE74_ACTIVE:
1970 		fec->active_fec |= ETHTOOL_FEC_BASER;
1971 		break;
1972 	case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_CLAUSE91_ACTIVE:
1973 	case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS544_1XN_ACTIVE:
1974 	case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS544_IEEE_ACTIVE:
1975 		fec->active_fec |= ETHTOOL_FEC_RS;
1976 		break;
1977 	case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS272_1XN_ACTIVE:
1978 	case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_RS272_IEEE_ACTIVE:
1979 		fec->active_fec |= ETHTOOL_FEC_LLRS;
1980 		break;
1981 	case PORT_PHY_QCFG_RESP_ACTIVE_FEC_FEC_NONE_ACTIVE:
1982 		fec->active_fec |= ETHTOOL_FEC_OFF;
1983 		break;
1984 	}
1985 	return 0;
1986 }
1987 
1988 static void bnxt_get_fec_stats(struct net_device *dev,
1989 			       struct ethtool_fec_stats *fec_stats)
1990 {
1991 	struct bnxt *bp = netdev_priv(dev);
1992 	u64 *rx;
1993 
1994 	if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS_EXT))
1995 		return;
1996 
1997 	rx = bp->rx_port_stats_ext.sw_stats;
1998 	fec_stats->corrected_bits.total =
1999 		*(rx + BNXT_RX_STATS_EXT_OFFSET(rx_corrected_bits));
2000 }
2001 
2002 static u32 bnxt_ethtool_forced_fec_to_fw(struct bnxt_link_info *link_info,
2003 					 u32 fec)
2004 {
2005 	u32 fw_fec = PORT_PHY_CFG_REQ_FLAGS_FEC_AUTONEG_DISABLE;
2006 
2007 	if (fec & ETHTOOL_FEC_BASER)
2008 		fw_fec |= BNXT_FEC_BASE_R_ON(link_info);
2009 	else if (fec & ETHTOOL_FEC_RS)
2010 		fw_fec |= BNXT_FEC_RS_ON(link_info);
2011 	else if (fec & ETHTOOL_FEC_LLRS)
2012 		fw_fec |= BNXT_FEC_LLRS_ON;
2013 	return fw_fec;
2014 }
2015 
2016 static int bnxt_set_fecparam(struct net_device *dev,
2017 			     struct ethtool_fecparam *fecparam)
2018 {
2019 	struct hwrm_port_phy_cfg_input *req;
2020 	struct bnxt *bp = netdev_priv(dev);
2021 	struct bnxt_link_info *link_info;
2022 	u32 new_cfg, fec = fecparam->fec;
2023 	u16 fec_cfg;
2024 	int rc;
2025 
2026 	link_info = &bp->link_info;
2027 	fec_cfg = link_info->fec_cfg;
2028 	if (fec_cfg & BNXT_FEC_NONE)
2029 		return -EOPNOTSUPP;
2030 
2031 	if (fec & ETHTOOL_FEC_OFF) {
2032 		new_cfg = PORT_PHY_CFG_REQ_FLAGS_FEC_AUTONEG_DISABLE |
2033 			  BNXT_FEC_ALL_OFF(link_info);
2034 		goto apply_fec;
2035 	}
2036 	if (((fec & ETHTOOL_FEC_AUTO) && !(fec_cfg & BNXT_FEC_AUTONEG_CAP)) ||
2037 	    ((fec & ETHTOOL_FEC_RS) && !(fec_cfg & BNXT_FEC_ENC_RS_CAP)) ||
2038 	    ((fec & ETHTOOL_FEC_LLRS) && !(fec_cfg & BNXT_FEC_ENC_LLRS_CAP)) ||
2039 	    ((fec & ETHTOOL_FEC_BASER) && !(fec_cfg & BNXT_FEC_ENC_BASE_R_CAP)))
2040 		return -EINVAL;
2041 
2042 	if (fec & ETHTOOL_FEC_AUTO) {
2043 		if (!link_info->autoneg)
2044 			return -EINVAL;
2045 		new_cfg = PORT_PHY_CFG_REQ_FLAGS_FEC_AUTONEG_ENABLE;
2046 	} else {
2047 		new_cfg = bnxt_ethtool_forced_fec_to_fw(link_info, fec);
2048 	}
2049 
2050 apply_fec:
2051 	rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_CFG);
2052 	if (rc)
2053 		return rc;
2054 	req->flags = cpu_to_le32(new_cfg | PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
2055 	rc = hwrm_req_send(bp, req);
2056 	/* update current settings */
2057 	if (!rc) {
2058 		mutex_lock(&bp->link_lock);
2059 		bnxt_update_link(bp, false);
2060 		mutex_unlock(&bp->link_lock);
2061 	}
2062 	return rc;
2063 }
2064 
2065 static void bnxt_get_pauseparam(struct net_device *dev,
2066 				struct ethtool_pauseparam *epause)
2067 {
2068 	struct bnxt *bp = netdev_priv(dev);
2069 	struct bnxt_link_info *link_info = &bp->link_info;
2070 
2071 	if (BNXT_VF(bp))
2072 		return;
2073 	epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
2074 	epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
2075 	epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
2076 }
2077 
2078 static void bnxt_get_pause_stats(struct net_device *dev,
2079 				 struct ethtool_pause_stats *epstat)
2080 {
2081 	struct bnxt *bp = netdev_priv(dev);
2082 	u64 *rx, *tx;
2083 
2084 	if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))
2085 		return;
2086 
2087 	rx = bp->port_stats.sw_stats;
2088 	tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8;
2089 
2090 	epstat->rx_pause_frames = BNXT_GET_RX_PORT_STATS64(rx, rx_pause_frames);
2091 	epstat->tx_pause_frames = BNXT_GET_TX_PORT_STATS64(tx, tx_pause_frames);
2092 }
2093 
2094 static int bnxt_set_pauseparam(struct net_device *dev,
2095 			       struct ethtool_pauseparam *epause)
2096 {
2097 	int rc = 0;
2098 	struct bnxt *bp = netdev_priv(dev);
2099 	struct bnxt_link_info *link_info = &bp->link_info;
2100 
2101 	if (!BNXT_PHY_CFG_ABLE(bp) || (bp->phy_flags & BNXT_PHY_FL_NO_PAUSE))
2102 		return -EOPNOTSUPP;
2103 
2104 	mutex_lock(&bp->link_lock);
2105 	if (epause->autoneg) {
2106 		if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
2107 			rc = -EINVAL;
2108 			goto pause_exit;
2109 		}
2110 
2111 		link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
2112 		link_info->req_flow_ctrl = 0;
2113 	} else {
2114 		/* when transition from auto pause to force pause,
2115 		 * force a link change
2116 		 */
2117 		if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
2118 			link_info->force_link_chng = true;
2119 		link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
2120 		link_info->req_flow_ctrl = 0;
2121 	}
2122 	if (epause->rx_pause)
2123 		link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
2124 
2125 	if (epause->tx_pause)
2126 		link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
2127 
2128 	if (netif_running(dev))
2129 		rc = bnxt_hwrm_set_pause(bp);
2130 
2131 pause_exit:
2132 	mutex_unlock(&bp->link_lock);
2133 	return rc;
2134 }
2135 
2136 static u32 bnxt_get_link(struct net_device *dev)
2137 {
2138 	struct bnxt *bp = netdev_priv(dev);
2139 
2140 	/* TODO: handle MF, VF, driver close case */
2141 	return BNXT_LINK_IS_UP(bp);
2142 }
2143 
2144 int bnxt_hwrm_nvm_get_dev_info(struct bnxt *bp,
2145 			       struct hwrm_nvm_get_dev_info_output *nvm_dev_info)
2146 {
2147 	struct hwrm_nvm_get_dev_info_output *resp;
2148 	struct hwrm_nvm_get_dev_info_input *req;
2149 	int rc;
2150 
2151 	if (BNXT_VF(bp))
2152 		return -EOPNOTSUPP;
2153 
2154 	rc = hwrm_req_init(bp, req, HWRM_NVM_GET_DEV_INFO);
2155 	if (rc)
2156 		return rc;
2157 
2158 	resp = hwrm_req_hold(bp, req);
2159 	rc = hwrm_req_send(bp, req);
2160 	if (!rc)
2161 		memcpy(nvm_dev_info, resp, sizeof(*resp));
2162 	hwrm_req_drop(bp, req);
2163 	return rc;
2164 }
2165 
2166 static void bnxt_print_admin_err(struct bnxt *bp)
2167 {
2168 	netdev_info(bp->dev, "PF does not have admin privileges to flash or reset the device\n");
2169 }
2170 
2171 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
2172 				u16 ext, u16 *index, u32 *item_length,
2173 				u32 *data_length);
2174 
2175 static int bnxt_flash_nvram(struct net_device *dev, u16 dir_type,
2176 			    u16 dir_ordinal, u16 dir_ext, u16 dir_attr,
2177 			    u32 dir_item_len, const u8 *data,
2178 			    size_t data_len)
2179 {
2180 	struct bnxt *bp = netdev_priv(dev);
2181 	struct hwrm_nvm_write_input *req;
2182 	int rc;
2183 
2184 	rc = hwrm_req_init(bp, req, HWRM_NVM_WRITE);
2185 	if (rc)
2186 		return rc;
2187 
2188 	if (data_len && data) {
2189 		dma_addr_t dma_handle;
2190 		u8 *kmem;
2191 
2192 		kmem = hwrm_req_dma_slice(bp, req, data_len, &dma_handle);
2193 		if (!kmem) {
2194 			hwrm_req_drop(bp, req);
2195 			return -ENOMEM;
2196 		}
2197 
2198 		req->dir_data_length = cpu_to_le32(data_len);
2199 
2200 		memcpy(kmem, data, data_len);
2201 		req->host_src_addr = cpu_to_le64(dma_handle);
2202 	}
2203 
2204 	hwrm_req_timeout(bp, req, bp->hwrm_cmd_max_timeout);
2205 	req->dir_type = cpu_to_le16(dir_type);
2206 	req->dir_ordinal = cpu_to_le16(dir_ordinal);
2207 	req->dir_ext = cpu_to_le16(dir_ext);
2208 	req->dir_attr = cpu_to_le16(dir_attr);
2209 	req->dir_item_length = cpu_to_le32(dir_item_len);
2210 	rc = hwrm_req_send(bp, req);
2211 
2212 	if (rc == -EACCES)
2213 		bnxt_print_admin_err(bp);
2214 	return rc;
2215 }
2216 
2217 int bnxt_hwrm_firmware_reset(struct net_device *dev, u8 proc_type,
2218 			     u8 self_reset, u8 flags)
2219 {
2220 	struct bnxt *bp = netdev_priv(dev);
2221 	struct hwrm_fw_reset_input *req;
2222 	int rc;
2223 
2224 	if (!bnxt_hwrm_reset_permitted(bp)) {
2225 		netdev_warn(bp->dev, "Reset denied by firmware, it may be inhibited by remote driver");
2226 		return -EPERM;
2227 	}
2228 
2229 	rc = hwrm_req_init(bp, req, HWRM_FW_RESET);
2230 	if (rc)
2231 		return rc;
2232 
2233 	req->embedded_proc_type = proc_type;
2234 	req->selfrst_status = self_reset;
2235 	req->flags = flags;
2236 
2237 	if (proc_type == FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP) {
2238 		rc = hwrm_req_send_silent(bp, req);
2239 	} else {
2240 		rc = hwrm_req_send(bp, req);
2241 		if (rc == -EACCES)
2242 			bnxt_print_admin_err(bp);
2243 	}
2244 	return rc;
2245 }
2246 
2247 static int bnxt_firmware_reset(struct net_device *dev,
2248 			       enum bnxt_nvm_directory_type dir_type)
2249 {
2250 	u8 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE;
2251 	u8 proc_type, flags = 0;
2252 
2253 	/* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
2254 	/*       (e.g. when firmware isn't already running) */
2255 	switch (dir_type) {
2256 	case BNX_DIR_TYPE_CHIMP_PATCH:
2257 	case BNX_DIR_TYPE_BOOTCODE:
2258 	case BNX_DIR_TYPE_BOOTCODE_2:
2259 		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
2260 		/* Self-reset ChiMP upon next PCIe reset: */
2261 		self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
2262 		break;
2263 	case BNX_DIR_TYPE_APE_FW:
2264 	case BNX_DIR_TYPE_APE_PATCH:
2265 		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
2266 		/* Self-reset APE upon next PCIe reset: */
2267 		self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
2268 		break;
2269 	case BNX_DIR_TYPE_KONG_FW:
2270 	case BNX_DIR_TYPE_KONG_PATCH:
2271 		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
2272 		break;
2273 	case BNX_DIR_TYPE_BONO_FW:
2274 	case BNX_DIR_TYPE_BONO_PATCH:
2275 		proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
2276 		break;
2277 	default:
2278 		return -EINVAL;
2279 	}
2280 
2281 	return bnxt_hwrm_firmware_reset(dev, proc_type, self_reset, flags);
2282 }
2283 
2284 static int bnxt_firmware_reset_chip(struct net_device *dev)
2285 {
2286 	struct bnxt *bp = netdev_priv(dev);
2287 	u8 flags = 0;
2288 
2289 	if (bp->fw_cap & BNXT_FW_CAP_HOT_RESET)
2290 		flags = FW_RESET_REQ_FLAGS_RESET_GRACEFUL;
2291 
2292 	return bnxt_hwrm_firmware_reset(dev,
2293 					FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP,
2294 					FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP,
2295 					flags);
2296 }
2297 
2298 static int bnxt_firmware_reset_ap(struct net_device *dev)
2299 {
2300 	return bnxt_hwrm_firmware_reset(dev, FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP,
2301 					FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE,
2302 					0);
2303 }
2304 
2305 static int bnxt_flash_firmware(struct net_device *dev,
2306 			       u16 dir_type,
2307 			       const u8 *fw_data,
2308 			       size_t fw_size)
2309 {
2310 	int	rc = 0;
2311 	u16	code_type;
2312 	u32	stored_crc;
2313 	u32	calculated_crc;
2314 	struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
2315 
2316 	switch (dir_type) {
2317 	case BNX_DIR_TYPE_BOOTCODE:
2318 	case BNX_DIR_TYPE_BOOTCODE_2:
2319 		code_type = CODE_BOOT;
2320 		break;
2321 	case BNX_DIR_TYPE_CHIMP_PATCH:
2322 		code_type = CODE_CHIMP_PATCH;
2323 		break;
2324 	case BNX_DIR_TYPE_APE_FW:
2325 		code_type = CODE_MCTP_PASSTHRU;
2326 		break;
2327 	case BNX_DIR_TYPE_APE_PATCH:
2328 		code_type = CODE_APE_PATCH;
2329 		break;
2330 	case BNX_DIR_TYPE_KONG_FW:
2331 		code_type = CODE_KONG_FW;
2332 		break;
2333 	case BNX_DIR_TYPE_KONG_PATCH:
2334 		code_type = CODE_KONG_PATCH;
2335 		break;
2336 	case BNX_DIR_TYPE_BONO_FW:
2337 		code_type = CODE_BONO_FW;
2338 		break;
2339 	case BNX_DIR_TYPE_BONO_PATCH:
2340 		code_type = CODE_BONO_PATCH;
2341 		break;
2342 	default:
2343 		netdev_err(dev, "Unsupported directory entry type: %u\n",
2344 			   dir_type);
2345 		return -EINVAL;
2346 	}
2347 	if (fw_size < sizeof(struct bnxt_fw_header)) {
2348 		netdev_err(dev, "Invalid firmware file size: %u\n",
2349 			   (unsigned int)fw_size);
2350 		return -EINVAL;
2351 	}
2352 	if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
2353 		netdev_err(dev, "Invalid firmware signature: %08X\n",
2354 			   le32_to_cpu(header->signature));
2355 		return -EINVAL;
2356 	}
2357 	if (header->code_type != code_type) {
2358 		netdev_err(dev, "Expected firmware type: %d, read: %d\n",
2359 			   code_type, header->code_type);
2360 		return -EINVAL;
2361 	}
2362 	if (header->device != DEVICE_CUMULUS_FAMILY) {
2363 		netdev_err(dev, "Expected firmware device family %d, read: %d\n",
2364 			   DEVICE_CUMULUS_FAMILY, header->device);
2365 		return -EINVAL;
2366 	}
2367 	/* Confirm the CRC32 checksum of the file: */
2368 	stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
2369 					     sizeof(stored_crc)));
2370 	calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
2371 	if (calculated_crc != stored_crc) {
2372 		netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
2373 			   (unsigned long)stored_crc,
2374 			   (unsigned long)calculated_crc);
2375 		return -EINVAL;
2376 	}
2377 	rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
2378 			      0, 0, 0, fw_data, fw_size);
2379 	if (rc == 0)	/* Firmware update successful */
2380 		rc = bnxt_firmware_reset(dev, dir_type);
2381 
2382 	return rc;
2383 }
2384 
2385 static int bnxt_flash_microcode(struct net_device *dev,
2386 				u16 dir_type,
2387 				const u8 *fw_data,
2388 				size_t fw_size)
2389 {
2390 	struct bnxt_ucode_trailer *trailer;
2391 	u32 calculated_crc;
2392 	u32 stored_crc;
2393 	int rc = 0;
2394 
2395 	if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
2396 		netdev_err(dev, "Invalid microcode file size: %u\n",
2397 			   (unsigned int)fw_size);
2398 		return -EINVAL;
2399 	}
2400 	trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
2401 						sizeof(*trailer)));
2402 	if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
2403 		netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
2404 			   le32_to_cpu(trailer->sig));
2405 		return -EINVAL;
2406 	}
2407 	if (le16_to_cpu(trailer->dir_type) != dir_type) {
2408 		netdev_err(dev, "Expected microcode type: %d, read: %d\n",
2409 			   dir_type, le16_to_cpu(trailer->dir_type));
2410 		return -EINVAL;
2411 	}
2412 	if (le16_to_cpu(trailer->trailer_length) <
2413 		sizeof(struct bnxt_ucode_trailer)) {
2414 		netdev_err(dev, "Invalid microcode trailer length: %d\n",
2415 			   le16_to_cpu(trailer->trailer_length));
2416 		return -EINVAL;
2417 	}
2418 
2419 	/* Confirm the CRC32 checksum of the file: */
2420 	stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
2421 					     sizeof(stored_crc)));
2422 	calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
2423 	if (calculated_crc != stored_crc) {
2424 		netdev_err(dev,
2425 			   "CRC32 (%08lX) does not match calculated: %08lX\n",
2426 			   (unsigned long)stored_crc,
2427 			   (unsigned long)calculated_crc);
2428 		return -EINVAL;
2429 	}
2430 	rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
2431 			      0, 0, 0, fw_data, fw_size);
2432 
2433 	return rc;
2434 }
2435 
2436 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
2437 {
2438 	switch (dir_type) {
2439 	case BNX_DIR_TYPE_CHIMP_PATCH:
2440 	case BNX_DIR_TYPE_BOOTCODE:
2441 	case BNX_DIR_TYPE_BOOTCODE_2:
2442 	case BNX_DIR_TYPE_APE_FW:
2443 	case BNX_DIR_TYPE_APE_PATCH:
2444 	case BNX_DIR_TYPE_KONG_FW:
2445 	case BNX_DIR_TYPE_KONG_PATCH:
2446 	case BNX_DIR_TYPE_BONO_FW:
2447 	case BNX_DIR_TYPE_BONO_PATCH:
2448 		return true;
2449 	}
2450 
2451 	return false;
2452 }
2453 
2454 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
2455 {
2456 	switch (dir_type) {
2457 	case BNX_DIR_TYPE_AVS:
2458 	case BNX_DIR_TYPE_EXP_ROM_MBA:
2459 	case BNX_DIR_TYPE_PCIE:
2460 	case BNX_DIR_TYPE_TSCF_UCODE:
2461 	case BNX_DIR_TYPE_EXT_PHY:
2462 	case BNX_DIR_TYPE_CCM:
2463 	case BNX_DIR_TYPE_ISCSI_BOOT:
2464 	case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
2465 	case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
2466 		return true;
2467 	}
2468 
2469 	return false;
2470 }
2471 
2472 static bool bnxt_dir_type_is_executable(u16 dir_type)
2473 {
2474 	return bnxt_dir_type_is_ape_bin_format(dir_type) ||
2475 		bnxt_dir_type_is_other_exec_format(dir_type);
2476 }
2477 
2478 static int bnxt_flash_firmware_from_file(struct net_device *dev,
2479 					 u16 dir_type,
2480 					 const char *filename)
2481 {
2482 	const struct firmware  *fw;
2483 	int			rc;
2484 
2485 	rc = request_firmware(&fw, filename, &dev->dev);
2486 	if (rc != 0) {
2487 		netdev_err(dev, "Error %d requesting firmware file: %s\n",
2488 			   rc, filename);
2489 		return rc;
2490 	}
2491 	if (bnxt_dir_type_is_ape_bin_format(dir_type))
2492 		rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
2493 	else if (bnxt_dir_type_is_other_exec_format(dir_type))
2494 		rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
2495 	else
2496 		rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
2497 				      0, 0, 0, fw->data, fw->size);
2498 	release_firmware(fw);
2499 	return rc;
2500 }
2501 
2502 static int nvm_update_err_to_stderr(struct net_device *dev, u8 result)
2503 {
2504 	switch (result) {
2505 	case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_TYPE_PARAMETER:
2506 	case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_INDEX_PARAMETER:
2507 	case NVM_INSTALL_UPDATE_RESP_RESULT_INSTALL_DATA_ERROR:
2508 	case NVM_INSTALL_UPDATE_RESP_RESULT_INSTALL_CHECKSUM_ERROR:
2509 	case NVM_INSTALL_UPDATE_RESP_RESULT_ITEM_NOT_FOUND:
2510 	case NVM_INSTALL_UPDATE_RESP_RESULT_ITEM_LOCKED:
2511 		netdev_err(dev, "PKG install error : Data integrity on NVM\n");
2512 		return -EINVAL;
2513 	case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_PREREQUISITE:
2514 	case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_FILE_HEADER:
2515 	case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_SIGNATURE:
2516 	case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_PROP_STREAM:
2517 	case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_PROP_LENGTH:
2518 	case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_MANIFEST:
2519 	case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_TRAILER:
2520 	case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_CHECKSUM:
2521 	case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_ITEM_CHECKSUM:
2522 	case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_DATA_LENGTH:
2523 	case NVM_INSTALL_UPDATE_RESP_RESULT_INVALID_DIRECTIVE:
2524 	case NVM_INSTALL_UPDATE_RESP_RESULT_DUPLICATE_ITEM:
2525 	case NVM_INSTALL_UPDATE_RESP_RESULT_ZERO_LENGTH_ITEM:
2526 		netdev_err(dev, "PKG install error : Invalid package\n");
2527 		return -ENOPKG;
2528 	case NVM_INSTALL_UPDATE_RESP_RESULT_INSTALL_AUTHENTICATION_ERROR:
2529 		netdev_err(dev, "PKG install error : Authentication error\n");
2530 		return -EPERM;
2531 	case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_CHIP_REV:
2532 	case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_DEVICE_ID:
2533 	case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_SUBSYS_VENDOR:
2534 	case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_SUBSYS_ID:
2535 	case NVM_INSTALL_UPDATE_RESP_RESULT_UNSUPPORTED_PLATFORM:
2536 		netdev_err(dev, "PKG install error : Invalid device\n");
2537 		return -EOPNOTSUPP;
2538 	default:
2539 		netdev_err(dev, "PKG install error : Internal error\n");
2540 		return -EIO;
2541 	}
2542 }
2543 
2544 #define BNXT_PKG_DMA_SIZE	0x40000
2545 #define BNXT_NVM_MORE_FLAG	(cpu_to_le16(NVM_MODIFY_REQ_FLAGS_BATCH_MODE))
2546 #define BNXT_NVM_LAST_FLAG	(cpu_to_le16(NVM_MODIFY_REQ_FLAGS_BATCH_LAST))
2547 
2548 int bnxt_flash_package_from_fw_obj(struct net_device *dev, const struct firmware *fw,
2549 				   u32 install_type)
2550 {
2551 	struct hwrm_nvm_install_update_input *install;
2552 	struct hwrm_nvm_install_update_output *resp;
2553 	struct hwrm_nvm_modify_input *modify;
2554 	struct bnxt *bp = netdev_priv(dev);
2555 	bool defrag_attempted = false;
2556 	dma_addr_t dma_handle;
2557 	u8 *kmem = NULL;
2558 	u32 modify_len;
2559 	u32 item_len;
2560 	u8 cmd_err;
2561 	u16 index;
2562 	int rc;
2563 
2564 	bnxt_hwrm_fw_set_time(bp);
2565 
2566 	rc = hwrm_req_init(bp, modify, HWRM_NVM_MODIFY);
2567 	if (rc)
2568 		return rc;
2569 
2570 	/* Try allocating a large DMA buffer first.  Older fw will
2571 	 * cause excessive NVRAM erases when using small blocks.
2572 	 */
2573 	modify_len = roundup_pow_of_two(fw->size);
2574 	modify_len = min_t(u32, modify_len, BNXT_PKG_DMA_SIZE);
2575 	while (1) {
2576 		kmem = hwrm_req_dma_slice(bp, modify, modify_len, &dma_handle);
2577 		if (!kmem && modify_len > PAGE_SIZE)
2578 			modify_len /= 2;
2579 		else
2580 			break;
2581 	}
2582 	if (!kmem) {
2583 		hwrm_req_drop(bp, modify);
2584 		return -ENOMEM;
2585 	}
2586 
2587 	rc = hwrm_req_init(bp, install, HWRM_NVM_INSTALL_UPDATE);
2588 	if (rc) {
2589 		hwrm_req_drop(bp, modify);
2590 		return rc;
2591 	}
2592 
2593 	hwrm_req_timeout(bp, modify, bp->hwrm_cmd_max_timeout);
2594 	hwrm_req_timeout(bp, install, bp->hwrm_cmd_max_timeout);
2595 
2596 	hwrm_req_hold(bp, modify);
2597 	modify->host_src_addr = cpu_to_le64(dma_handle);
2598 
2599 	resp = hwrm_req_hold(bp, install);
2600 	if ((install_type & 0xffff) == 0)
2601 		install_type >>= 16;
2602 	install->install_type = cpu_to_le32(install_type);
2603 
2604 	do {
2605 		u32 copied = 0, len = modify_len;
2606 
2607 		rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
2608 					  BNX_DIR_ORDINAL_FIRST,
2609 					  BNX_DIR_EXT_NONE,
2610 					  &index, &item_len, NULL);
2611 		if (rc) {
2612 			netdev_err(dev, "PKG update area not created in nvram\n");
2613 			break;
2614 		}
2615 		if (fw->size > item_len) {
2616 			netdev_err(dev, "PKG insufficient update area in nvram: %lu\n",
2617 				   (unsigned long)fw->size);
2618 			rc = -EFBIG;
2619 			break;
2620 		}
2621 
2622 		modify->dir_idx = cpu_to_le16(index);
2623 
2624 		if (fw->size > modify_len)
2625 			modify->flags = BNXT_NVM_MORE_FLAG;
2626 		while (copied < fw->size) {
2627 			u32 balance = fw->size - copied;
2628 
2629 			if (balance <= modify_len) {
2630 				len = balance;
2631 				if (copied)
2632 					modify->flags |= BNXT_NVM_LAST_FLAG;
2633 			}
2634 			memcpy(kmem, fw->data + copied, len);
2635 			modify->len = cpu_to_le32(len);
2636 			modify->offset = cpu_to_le32(copied);
2637 			rc = hwrm_req_send(bp, modify);
2638 			if (rc)
2639 				goto pkg_abort;
2640 			copied += len;
2641 		}
2642 
2643 		rc = hwrm_req_send_silent(bp, install);
2644 		if (!rc)
2645 			break;
2646 
2647 		if (defrag_attempted) {
2648 			/* We have tried to defragment already in the previous
2649 			 * iteration. Return with the result for INSTALL_UPDATE
2650 			 */
2651 			break;
2652 		}
2653 
2654 		cmd_err = ((struct hwrm_err_output *)resp)->cmd_err;
2655 
2656 		switch (cmd_err) {
2657 		case NVM_INSTALL_UPDATE_CMD_ERR_CODE_ANTI_ROLLBACK:
2658 			netdev_err(dev, "HWRM_NVM_INSTALL_UPDATE failure Anti-rollback detected\n");
2659 			rc = -EALREADY;
2660 			break;
2661 		case NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR:
2662 			install->flags =
2663 				cpu_to_le16(NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
2664 
2665 			rc = hwrm_req_send_silent(bp, install);
2666 			if (!rc)
2667 				break;
2668 
2669 			cmd_err = ((struct hwrm_err_output *)resp)->cmd_err;
2670 
2671 			if (cmd_err == NVM_INSTALL_UPDATE_CMD_ERR_CODE_NO_SPACE) {
2672 				/* FW has cleared NVM area, driver will create
2673 				 * UPDATE directory and try the flash again
2674 				 */
2675 				defrag_attempted = true;
2676 				install->flags = 0;
2677 				rc = bnxt_flash_nvram(bp->dev,
2678 						      BNX_DIR_TYPE_UPDATE,
2679 						      BNX_DIR_ORDINAL_FIRST,
2680 						      0, 0, item_len, NULL, 0);
2681 				if (!rc)
2682 					break;
2683 			}
2684 			fallthrough;
2685 		default:
2686 			netdev_err(dev, "HWRM_NVM_INSTALL_UPDATE failure rc :%x cmd_err :%x\n",
2687 				   rc, cmd_err);
2688 		}
2689 	} while (defrag_attempted && !rc);
2690 
2691 pkg_abort:
2692 	hwrm_req_drop(bp, modify);
2693 	hwrm_req_drop(bp, install);
2694 
2695 	if (resp->result) {
2696 		netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
2697 			   (s8)resp->result, (int)resp->problem_item);
2698 		rc = nvm_update_err_to_stderr(dev, resp->result);
2699 	}
2700 	if (rc == -EACCES)
2701 		bnxt_print_admin_err(bp);
2702 	return rc;
2703 }
2704 
2705 static int bnxt_flash_package_from_file(struct net_device *dev, const char *filename,
2706 					u32 install_type)
2707 {
2708 	const struct firmware *fw;
2709 	int rc;
2710 
2711 	rc = request_firmware(&fw, filename, &dev->dev);
2712 	if (rc != 0) {
2713 		netdev_err(dev, "PKG error %d requesting file: %s\n",
2714 			   rc, filename);
2715 		return rc;
2716 	}
2717 
2718 	rc = bnxt_flash_package_from_fw_obj(dev, fw, install_type);
2719 
2720 	release_firmware(fw);
2721 
2722 	return rc;
2723 }
2724 
2725 static int bnxt_flash_device(struct net_device *dev,
2726 			     struct ethtool_flash *flash)
2727 {
2728 	if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
2729 		netdev_err(dev, "flashdev not supported from a virtual function\n");
2730 		return -EINVAL;
2731 	}
2732 
2733 	if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
2734 	    flash->region > 0xffff)
2735 		return bnxt_flash_package_from_file(dev, flash->data,
2736 						    flash->region);
2737 
2738 	return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
2739 }
2740 
2741 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
2742 {
2743 	struct hwrm_nvm_get_dir_info_output *output;
2744 	struct hwrm_nvm_get_dir_info_input *req;
2745 	struct bnxt *bp = netdev_priv(dev);
2746 	int rc;
2747 
2748 	rc = hwrm_req_init(bp, req, HWRM_NVM_GET_DIR_INFO);
2749 	if (rc)
2750 		return rc;
2751 
2752 	output = hwrm_req_hold(bp, req);
2753 	rc = hwrm_req_send(bp, req);
2754 	if (!rc) {
2755 		*entries = le32_to_cpu(output->entries);
2756 		*length = le32_to_cpu(output->entry_length);
2757 	}
2758 	hwrm_req_drop(bp, req);
2759 	return rc;
2760 }
2761 
2762 static int bnxt_get_eeprom_len(struct net_device *dev)
2763 {
2764 	struct bnxt *bp = netdev_priv(dev);
2765 
2766 	if (BNXT_VF(bp))
2767 		return 0;
2768 
2769 	/* The -1 return value allows the entire 32-bit range of offsets to be
2770 	 * passed via the ethtool command-line utility.
2771 	 */
2772 	return -1;
2773 }
2774 
2775 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
2776 {
2777 	struct bnxt *bp = netdev_priv(dev);
2778 	int rc;
2779 	u32 dir_entries;
2780 	u32 entry_length;
2781 	u8 *buf;
2782 	size_t buflen;
2783 	dma_addr_t dma_handle;
2784 	struct hwrm_nvm_get_dir_entries_input *req;
2785 
2786 	rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
2787 	if (rc != 0)
2788 		return rc;
2789 
2790 	if (!dir_entries || !entry_length)
2791 		return -EIO;
2792 
2793 	/* Insert 2 bytes of directory info (count and size of entries) */
2794 	if (len < 2)
2795 		return -EINVAL;
2796 
2797 	*data++ = dir_entries;
2798 	*data++ = entry_length;
2799 	len -= 2;
2800 	memset(data, 0xff, len);
2801 
2802 	rc = hwrm_req_init(bp, req, HWRM_NVM_GET_DIR_ENTRIES);
2803 	if (rc)
2804 		return rc;
2805 
2806 	buflen = dir_entries * entry_length;
2807 	buf = hwrm_req_dma_slice(bp, req, buflen, &dma_handle);
2808 	if (!buf) {
2809 		hwrm_req_drop(bp, req);
2810 		return -ENOMEM;
2811 	}
2812 	req->host_dest_addr = cpu_to_le64(dma_handle);
2813 
2814 	hwrm_req_hold(bp, req); /* hold the slice */
2815 	rc = hwrm_req_send(bp, req);
2816 	if (rc == 0)
2817 		memcpy(data, buf, len > buflen ? buflen : len);
2818 	hwrm_req_drop(bp, req);
2819 	return rc;
2820 }
2821 
2822 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
2823 			       u32 length, u8 *data)
2824 {
2825 	struct bnxt *bp = netdev_priv(dev);
2826 	int rc;
2827 	u8 *buf;
2828 	dma_addr_t dma_handle;
2829 	struct hwrm_nvm_read_input *req;
2830 
2831 	if (!length)
2832 		return -EINVAL;
2833 
2834 	rc = hwrm_req_init(bp, req, HWRM_NVM_READ);
2835 	if (rc)
2836 		return rc;
2837 
2838 	buf = hwrm_req_dma_slice(bp, req, length, &dma_handle);
2839 	if (!buf) {
2840 		hwrm_req_drop(bp, req);
2841 		return -ENOMEM;
2842 	}
2843 
2844 	req->host_dest_addr = cpu_to_le64(dma_handle);
2845 	req->dir_idx = cpu_to_le16(index);
2846 	req->offset = cpu_to_le32(offset);
2847 	req->len = cpu_to_le32(length);
2848 
2849 	hwrm_req_hold(bp, req); /* hold the slice */
2850 	rc = hwrm_req_send(bp, req);
2851 	if (rc == 0)
2852 		memcpy(data, buf, length);
2853 	hwrm_req_drop(bp, req);
2854 	return rc;
2855 }
2856 
2857 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
2858 				u16 ext, u16 *index, u32 *item_length,
2859 				u32 *data_length)
2860 {
2861 	struct hwrm_nvm_find_dir_entry_output *output;
2862 	struct hwrm_nvm_find_dir_entry_input *req;
2863 	struct bnxt *bp = netdev_priv(dev);
2864 	int rc;
2865 
2866 	rc = hwrm_req_init(bp, req, HWRM_NVM_FIND_DIR_ENTRY);
2867 	if (rc)
2868 		return rc;
2869 
2870 	req->enables = 0;
2871 	req->dir_idx = 0;
2872 	req->dir_type = cpu_to_le16(type);
2873 	req->dir_ordinal = cpu_to_le16(ordinal);
2874 	req->dir_ext = cpu_to_le16(ext);
2875 	req->opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
2876 	output = hwrm_req_hold(bp, req);
2877 	rc = hwrm_req_send_silent(bp, req);
2878 	if (rc == 0) {
2879 		if (index)
2880 			*index = le16_to_cpu(output->dir_idx);
2881 		if (item_length)
2882 			*item_length = le32_to_cpu(output->dir_item_length);
2883 		if (data_length)
2884 			*data_length = le32_to_cpu(output->dir_data_length);
2885 	}
2886 	hwrm_req_drop(bp, req);
2887 	return rc;
2888 }
2889 
2890 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
2891 {
2892 	char	*retval = NULL;
2893 	char	*p;
2894 	char	*value;
2895 	int	field = 0;
2896 
2897 	if (datalen < 1)
2898 		return NULL;
2899 	/* null-terminate the log data (removing last '\n'): */
2900 	data[datalen - 1] = 0;
2901 	for (p = data; *p != 0; p++) {
2902 		field = 0;
2903 		retval = NULL;
2904 		while (*p != 0 && *p != '\n') {
2905 			value = p;
2906 			while (*p != 0 && *p != '\t' && *p != '\n')
2907 				p++;
2908 			if (field == desired_field)
2909 				retval = value;
2910 			if (*p != '\t')
2911 				break;
2912 			*p = 0;
2913 			field++;
2914 			p++;
2915 		}
2916 		if (*p == 0)
2917 			break;
2918 		*p = 0;
2919 	}
2920 	return retval;
2921 }
2922 
2923 int bnxt_get_pkginfo(struct net_device *dev, char *ver, int size)
2924 {
2925 	struct bnxt *bp = netdev_priv(dev);
2926 	u16 index = 0;
2927 	char *pkgver;
2928 	u32 pkglen;
2929 	u8 *pkgbuf;
2930 	int rc;
2931 
2932 	rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
2933 				  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2934 				  &index, NULL, &pkglen);
2935 	if (rc)
2936 		return rc;
2937 
2938 	pkgbuf = kzalloc(pkglen, GFP_KERNEL);
2939 	if (!pkgbuf) {
2940 		dev_err(&bp->pdev->dev, "Unable to allocate memory for pkg version, length = %u\n",
2941 			pkglen);
2942 		return -ENOMEM;
2943 	}
2944 
2945 	rc = bnxt_get_nvram_item(dev, index, 0, pkglen, pkgbuf);
2946 	if (rc)
2947 		goto err;
2948 
2949 	pkgver = bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, pkgbuf,
2950 				   pkglen);
2951 	if (pkgver && *pkgver != 0 && isdigit(*pkgver))
2952 		strscpy(ver, pkgver, size);
2953 	else
2954 		rc = -ENOENT;
2955 
2956 err:
2957 	kfree(pkgbuf);
2958 
2959 	return rc;
2960 }
2961 
2962 static void bnxt_get_pkgver(struct net_device *dev)
2963 {
2964 	struct bnxt *bp = netdev_priv(dev);
2965 	char buf[FW_VER_STR_LEN];
2966 	int len;
2967 
2968 	if (!bnxt_get_pkginfo(dev, buf, sizeof(buf))) {
2969 		len = strlen(bp->fw_ver_str);
2970 		snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1,
2971 			 "/pkg %s", buf);
2972 	}
2973 }
2974 
2975 static int bnxt_get_eeprom(struct net_device *dev,
2976 			   struct ethtool_eeprom *eeprom,
2977 			   u8 *data)
2978 {
2979 	u32 index;
2980 	u32 offset;
2981 
2982 	if (eeprom->offset == 0) /* special offset value to get directory */
2983 		return bnxt_get_nvram_directory(dev, eeprom->len, data);
2984 
2985 	index = eeprom->offset >> 24;
2986 	offset = eeprom->offset & 0xffffff;
2987 
2988 	if (index == 0) {
2989 		netdev_err(dev, "unsupported index value: %d\n", index);
2990 		return -EINVAL;
2991 	}
2992 
2993 	return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
2994 }
2995 
2996 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
2997 {
2998 	struct hwrm_nvm_erase_dir_entry_input *req;
2999 	struct bnxt *bp = netdev_priv(dev);
3000 	int rc;
3001 
3002 	rc = hwrm_req_init(bp, req, HWRM_NVM_ERASE_DIR_ENTRY);
3003 	if (rc)
3004 		return rc;
3005 
3006 	req->dir_idx = cpu_to_le16(index);
3007 	return hwrm_req_send(bp, req);
3008 }
3009 
3010 static int bnxt_set_eeprom(struct net_device *dev,
3011 			   struct ethtool_eeprom *eeprom,
3012 			   u8 *data)
3013 {
3014 	struct bnxt *bp = netdev_priv(dev);
3015 	u8 index, dir_op;
3016 	u16 type, ext, ordinal, attr;
3017 
3018 	if (!BNXT_PF(bp)) {
3019 		netdev_err(dev, "NVM write not supported from a virtual function\n");
3020 		return -EINVAL;
3021 	}
3022 
3023 	type = eeprom->magic >> 16;
3024 
3025 	if (type == 0xffff) { /* special value for directory operations */
3026 		index = eeprom->magic & 0xff;
3027 		dir_op = eeprom->magic >> 8;
3028 		if (index == 0)
3029 			return -EINVAL;
3030 		switch (dir_op) {
3031 		case 0x0e: /* erase */
3032 			if (eeprom->offset != ~eeprom->magic)
3033 				return -EINVAL;
3034 			return bnxt_erase_nvram_directory(dev, index - 1);
3035 		default:
3036 			return -EINVAL;
3037 		}
3038 	}
3039 
3040 	/* Create or re-write an NVM item: */
3041 	if (bnxt_dir_type_is_executable(type))
3042 		return -EOPNOTSUPP;
3043 	ext = eeprom->magic & 0xffff;
3044 	ordinal = eeprom->offset >> 16;
3045 	attr = eeprom->offset & 0xffff;
3046 
3047 	return bnxt_flash_nvram(dev, type, ordinal, ext, attr, 0, data,
3048 				eeprom->len);
3049 }
3050 
3051 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
3052 {
3053 	struct bnxt *bp = netdev_priv(dev);
3054 	struct ethtool_eee *eee = &bp->eee;
3055 	struct bnxt_link_info *link_info = &bp->link_info;
3056 	u32 advertising;
3057 	int rc = 0;
3058 
3059 	if (!BNXT_PHY_CFG_ABLE(bp))
3060 		return -EOPNOTSUPP;
3061 
3062 	if (!(bp->phy_flags & BNXT_PHY_FL_EEE_CAP))
3063 		return -EOPNOTSUPP;
3064 
3065 	mutex_lock(&bp->link_lock);
3066 	advertising = _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
3067 	if (!edata->eee_enabled)
3068 		goto eee_ok;
3069 
3070 	if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
3071 		netdev_warn(dev, "EEE requires autoneg\n");
3072 		rc = -EINVAL;
3073 		goto eee_exit;
3074 	}
3075 	if (edata->tx_lpi_enabled) {
3076 		if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
3077 				       edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
3078 			netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
3079 				    bp->lpi_tmr_lo, bp->lpi_tmr_hi);
3080 			rc = -EINVAL;
3081 			goto eee_exit;
3082 		} else if (!bp->lpi_tmr_hi) {
3083 			edata->tx_lpi_timer = eee->tx_lpi_timer;
3084 		}
3085 	}
3086 	if (!edata->advertised) {
3087 		edata->advertised = advertising & eee->supported;
3088 	} else if (edata->advertised & ~advertising) {
3089 		netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
3090 			    edata->advertised, advertising);
3091 		rc = -EINVAL;
3092 		goto eee_exit;
3093 	}
3094 
3095 	eee->advertised = edata->advertised;
3096 	eee->tx_lpi_enabled = edata->tx_lpi_enabled;
3097 	eee->tx_lpi_timer = edata->tx_lpi_timer;
3098 eee_ok:
3099 	eee->eee_enabled = edata->eee_enabled;
3100 
3101 	if (netif_running(dev))
3102 		rc = bnxt_hwrm_set_link_setting(bp, false, true);
3103 
3104 eee_exit:
3105 	mutex_unlock(&bp->link_lock);
3106 	return rc;
3107 }
3108 
3109 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
3110 {
3111 	struct bnxt *bp = netdev_priv(dev);
3112 
3113 	if (!(bp->phy_flags & BNXT_PHY_FL_EEE_CAP))
3114 		return -EOPNOTSUPP;
3115 
3116 	*edata = bp->eee;
3117 	if (!bp->eee.eee_enabled) {
3118 		/* Preserve tx_lpi_timer so that the last value will be used
3119 		 * by default when it is re-enabled.
3120 		 */
3121 		edata->advertised = 0;
3122 		edata->tx_lpi_enabled = 0;
3123 	}
3124 
3125 	if (!bp->eee.eee_active)
3126 		edata->lp_advertised = 0;
3127 
3128 	return 0;
3129 }
3130 
3131 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
3132 					    u16 page_number, u16 start_addr,
3133 					    u16 data_length, u8 *buf)
3134 {
3135 	struct hwrm_port_phy_i2c_read_output *output;
3136 	struct hwrm_port_phy_i2c_read_input *req;
3137 	int rc, byte_offset = 0;
3138 
3139 	rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_I2C_READ);
3140 	if (rc)
3141 		return rc;
3142 
3143 	output = hwrm_req_hold(bp, req);
3144 	req->i2c_slave_addr = i2c_addr;
3145 	req->page_number = cpu_to_le16(page_number);
3146 	req->port_id = cpu_to_le16(bp->pf.port_id);
3147 	do {
3148 		u16 xfer_size;
3149 
3150 		xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
3151 		data_length -= xfer_size;
3152 		req->page_offset = cpu_to_le16(start_addr + byte_offset);
3153 		req->data_length = xfer_size;
3154 		req->enables = cpu_to_le32(start_addr + byte_offset ?
3155 				 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
3156 		rc = hwrm_req_send(bp, req);
3157 		if (!rc)
3158 			memcpy(buf + byte_offset, output->data, xfer_size);
3159 		byte_offset += xfer_size;
3160 	} while (!rc && data_length > 0);
3161 	hwrm_req_drop(bp, req);
3162 
3163 	return rc;
3164 }
3165 
3166 static int bnxt_get_module_info(struct net_device *dev,
3167 				struct ethtool_modinfo *modinfo)
3168 {
3169 	u8 data[SFF_DIAG_SUPPORT_OFFSET + 1];
3170 	struct bnxt *bp = netdev_priv(dev);
3171 	int rc;
3172 
3173 	/* No point in going further if phy status indicates
3174 	 * module is not inserted or if it is powered down or
3175 	 * if it is of type 10GBase-T
3176 	 */
3177 	if (bp->link_info.module_status >
3178 		PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
3179 		return -EOPNOTSUPP;
3180 
3181 	/* This feature is not supported in older firmware versions */
3182 	if (bp->hwrm_spec_code < 0x10202)
3183 		return -EOPNOTSUPP;
3184 
3185 	rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0,
3186 					      SFF_DIAG_SUPPORT_OFFSET + 1,
3187 					      data);
3188 	if (!rc) {
3189 		u8 module_id = data[0];
3190 		u8 diag_supported = data[SFF_DIAG_SUPPORT_OFFSET];
3191 
3192 		switch (module_id) {
3193 		case SFF_MODULE_ID_SFP:
3194 			modinfo->type = ETH_MODULE_SFF_8472;
3195 			modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3196 			if (!diag_supported)
3197 				modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
3198 			break;
3199 		case SFF_MODULE_ID_QSFP:
3200 		case SFF_MODULE_ID_QSFP_PLUS:
3201 			modinfo->type = ETH_MODULE_SFF_8436;
3202 			modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
3203 			break;
3204 		case SFF_MODULE_ID_QSFP28:
3205 			modinfo->type = ETH_MODULE_SFF_8636;
3206 			modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
3207 			break;
3208 		default:
3209 			rc = -EOPNOTSUPP;
3210 			break;
3211 		}
3212 	}
3213 	return rc;
3214 }
3215 
3216 static int bnxt_get_module_eeprom(struct net_device *dev,
3217 				  struct ethtool_eeprom *eeprom,
3218 				  u8 *data)
3219 {
3220 	struct bnxt *bp = netdev_priv(dev);
3221 	u16  start = eeprom->offset, length = eeprom->len;
3222 	int rc = 0;
3223 
3224 	memset(data, 0, eeprom->len);
3225 
3226 	/* Read A0 portion of the EEPROM */
3227 	if (start < ETH_MODULE_SFF_8436_LEN) {
3228 		if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
3229 			length = ETH_MODULE_SFF_8436_LEN - start;
3230 		rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
3231 						      start, length, data);
3232 		if (rc)
3233 			return rc;
3234 		start += length;
3235 		data += length;
3236 		length = eeprom->len - length;
3237 	}
3238 
3239 	/* Read A2 portion of the EEPROM */
3240 	if (length) {
3241 		start -= ETH_MODULE_SFF_8436_LEN;
3242 		rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 0,
3243 						      start, length, data);
3244 	}
3245 	return rc;
3246 }
3247 
3248 static int bnxt_nway_reset(struct net_device *dev)
3249 {
3250 	int rc = 0;
3251 
3252 	struct bnxt *bp = netdev_priv(dev);
3253 	struct bnxt_link_info *link_info = &bp->link_info;
3254 
3255 	if (!BNXT_PHY_CFG_ABLE(bp))
3256 		return -EOPNOTSUPP;
3257 
3258 	if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
3259 		return -EINVAL;
3260 
3261 	if (netif_running(dev))
3262 		rc = bnxt_hwrm_set_link_setting(bp, true, false);
3263 
3264 	return rc;
3265 }
3266 
3267 static int bnxt_set_phys_id(struct net_device *dev,
3268 			    enum ethtool_phys_id_state state)
3269 {
3270 	struct hwrm_port_led_cfg_input *req;
3271 	struct bnxt *bp = netdev_priv(dev);
3272 	struct bnxt_pf_info *pf = &bp->pf;
3273 	struct bnxt_led_cfg *led_cfg;
3274 	u8 led_state;
3275 	__le16 duration;
3276 	int rc, i;
3277 
3278 	if (!bp->num_leds || BNXT_VF(bp))
3279 		return -EOPNOTSUPP;
3280 
3281 	if (state == ETHTOOL_ID_ACTIVE) {
3282 		led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
3283 		duration = cpu_to_le16(500);
3284 	} else if (state == ETHTOOL_ID_INACTIVE) {
3285 		led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
3286 		duration = cpu_to_le16(0);
3287 	} else {
3288 		return -EINVAL;
3289 	}
3290 	rc = hwrm_req_init(bp, req, HWRM_PORT_LED_CFG);
3291 	if (rc)
3292 		return rc;
3293 
3294 	req->port_id = cpu_to_le16(pf->port_id);
3295 	req->num_leds = bp->num_leds;
3296 	led_cfg = (struct bnxt_led_cfg *)&req->led0_id;
3297 	for (i = 0; i < bp->num_leds; i++, led_cfg++) {
3298 		req->enables |= BNXT_LED_DFLT_ENABLES(i);
3299 		led_cfg->led_id = bp->leds[i].led_id;
3300 		led_cfg->led_state = led_state;
3301 		led_cfg->led_blink_on = duration;
3302 		led_cfg->led_blink_off = duration;
3303 		led_cfg->led_group_id = bp->leds[i].led_group_id;
3304 	}
3305 	return hwrm_req_send(bp, req);
3306 }
3307 
3308 static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
3309 {
3310 	struct hwrm_selftest_irq_input *req;
3311 	int rc;
3312 
3313 	rc = hwrm_req_init(bp, req, HWRM_SELFTEST_IRQ);
3314 	if (rc)
3315 		return rc;
3316 
3317 	req->cmpl_ring = cpu_to_le16(cmpl_ring);
3318 	return hwrm_req_send(bp, req);
3319 }
3320 
3321 static int bnxt_test_irq(struct bnxt *bp)
3322 {
3323 	int i;
3324 
3325 	for (i = 0; i < bp->cp_nr_rings; i++) {
3326 		u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
3327 		int rc;
3328 
3329 		rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
3330 		if (rc)
3331 			return rc;
3332 	}
3333 	return 0;
3334 }
3335 
3336 static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
3337 {
3338 	struct hwrm_port_mac_cfg_input *req;
3339 	int rc;
3340 
3341 	rc = hwrm_req_init(bp, req, HWRM_PORT_MAC_CFG);
3342 	if (rc)
3343 		return rc;
3344 
3345 	req->enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
3346 	if (enable)
3347 		req->lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
3348 	else
3349 		req->lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
3350 	return hwrm_req_send(bp, req);
3351 }
3352 
3353 static int bnxt_query_force_speeds(struct bnxt *bp, u16 *force_speeds)
3354 {
3355 	struct hwrm_port_phy_qcaps_output *resp;
3356 	struct hwrm_port_phy_qcaps_input *req;
3357 	int rc;
3358 
3359 	rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_QCAPS);
3360 	if (rc)
3361 		return rc;
3362 
3363 	resp = hwrm_req_hold(bp, req);
3364 	rc = hwrm_req_send(bp, req);
3365 	if (!rc)
3366 		*force_speeds = le16_to_cpu(resp->supported_speeds_force_mode);
3367 
3368 	hwrm_req_drop(bp, req);
3369 	return rc;
3370 }
3371 
3372 static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
3373 				    struct hwrm_port_phy_cfg_input *req)
3374 {
3375 	struct bnxt_link_info *link_info = &bp->link_info;
3376 	u16 fw_advertising;
3377 	u16 fw_speed;
3378 	int rc;
3379 
3380 	if (!link_info->autoneg ||
3381 	    (bp->phy_flags & BNXT_PHY_FL_AN_PHY_LPBK))
3382 		return 0;
3383 
3384 	rc = bnxt_query_force_speeds(bp, &fw_advertising);
3385 	if (rc)
3386 		return rc;
3387 
3388 	fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
3389 	if (BNXT_LINK_IS_UP(bp))
3390 		fw_speed = bp->link_info.link_speed;
3391 	else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
3392 		fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
3393 	else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
3394 		fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
3395 	else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
3396 		fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
3397 	else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
3398 		fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
3399 
3400 	req->force_link_speed = cpu_to_le16(fw_speed);
3401 	req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
3402 				  PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
3403 	rc = hwrm_req_send(bp, req);
3404 	req->flags = 0;
3405 	req->force_link_speed = cpu_to_le16(0);
3406 	return rc;
3407 }
3408 
3409 static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
3410 {
3411 	struct hwrm_port_phy_cfg_input *req;
3412 	int rc;
3413 
3414 	rc = hwrm_req_init(bp, req, HWRM_PORT_PHY_CFG);
3415 	if (rc)
3416 		return rc;
3417 
3418 	/* prevent bnxt_disable_an_for_lpbk() from consuming the request */
3419 	hwrm_req_hold(bp, req);
3420 
3421 	if (enable) {
3422 		bnxt_disable_an_for_lpbk(bp, req);
3423 		if (ext)
3424 			req->lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
3425 		else
3426 			req->lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
3427 	} else {
3428 		req->lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
3429 	}
3430 	req->enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
3431 	rc = hwrm_req_send(bp, req);
3432 	hwrm_req_drop(bp, req);
3433 	return rc;
3434 }
3435 
3436 static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
3437 			    u32 raw_cons, int pkt_size)
3438 {
3439 	struct bnxt_napi *bnapi = cpr->bnapi;
3440 	struct bnxt_rx_ring_info *rxr;
3441 	struct bnxt_sw_rx_bd *rx_buf;
3442 	struct rx_cmp *rxcmp;
3443 	u16 cp_cons, cons;
3444 	u8 *data;
3445 	u32 len;
3446 	int i;
3447 
3448 	rxr = bnapi->rx_ring;
3449 	cp_cons = RING_CMP(raw_cons);
3450 	rxcmp = (struct rx_cmp *)
3451 		&cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
3452 	cons = rxcmp->rx_cmp_opaque;
3453 	rx_buf = &rxr->rx_buf_ring[cons];
3454 	data = rx_buf->data_ptr;
3455 	len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
3456 	if (len != pkt_size)
3457 		return -EIO;
3458 	i = ETH_ALEN;
3459 	if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
3460 		return -EIO;
3461 	i += ETH_ALEN;
3462 	for (  ; i < pkt_size; i++) {
3463 		if (data[i] != (u8)(i & 0xff))
3464 			return -EIO;
3465 	}
3466 	return 0;
3467 }
3468 
3469 static int bnxt_poll_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
3470 			      int pkt_size)
3471 {
3472 	struct tx_cmp *txcmp;
3473 	int rc = -EIO;
3474 	u32 raw_cons;
3475 	u32 cons;
3476 	int i;
3477 
3478 	raw_cons = cpr->cp_raw_cons;
3479 	for (i = 0; i < 200; i++) {
3480 		cons = RING_CMP(raw_cons);
3481 		txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
3482 
3483 		if (!TX_CMP_VALID(txcmp, raw_cons)) {
3484 			udelay(5);
3485 			continue;
3486 		}
3487 
3488 		/* The valid test of the entry must be done first before
3489 		 * reading any further.
3490 		 */
3491 		dma_rmb();
3492 		if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
3493 			rc = bnxt_rx_loopback(bp, cpr, raw_cons, pkt_size);
3494 			raw_cons = NEXT_RAW_CMP(raw_cons);
3495 			raw_cons = NEXT_RAW_CMP(raw_cons);
3496 			break;
3497 		}
3498 		raw_cons = NEXT_RAW_CMP(raw_cons);
3499 	}
3500 	cpr->cp_raw_cons = raw_cons;
3501 	return rc;
3502 }
3503 
3504 static int bnxt_run_loopback(struct bnxt *bp)
3505 {
3506 	struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
3507 	struct bnxt_rx_ring_info *rxr = &bp->rx_ring[0];
3508 	struct bnxt_cp_ring_info *cpr;
3509 	int pkt_size, i = 0;
3510 	struct sk_buff *skb;
3511 	dma_addr_t map;
3512 	u8 *data;
3513 	int rc;
3514 
3515 	cpr = &rxr->bnapi->cp_ring;
3516 	if (bp->flags & BNXT_FLAG_CHIP_P5)
3517 		cpr = cpr->cp_ring_arr[BNXT_RX_HDL];
3518 	pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
3519 	skb = netdev_alloc_skb(bp->dev, pkt_size);
3520 	if (!skb)
3521 		return -ENOMEM;
3522 	data = skb_put(skb, pkt_size);
3523 	ether_addr_copy(&data[i], bp->dev->dev_addr);
3524 	i += ETH_ALEN;
3525 	ether_addr_copy(&data[i], bp->dev->dev_addr);
3526 	i += ETH_ALEN;
3527 	for ( ; i < pkt_size; i++)
3528 		data[i] = (u8)(i & 0xff);
3529 
3530 	map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
3531 			     DMA_TO_DEVICE);
3532 	if (dma_mapping_error(&bp->pdev->dev, map)) {
3533 		dev_kfree_skb(skb);
3534 		return -EIO;
3535 	}
3536 	bnxt_xmit_bd(bp, txr, map, pkt_size);
3537 
3538 	/* Sync BD data before updating doorbell */
3539 	wmb();
3540 
3541 	bnxt_db_write(bp, &txr->tx_db, txr->tx_prod);
3542 	rc = bnxt_poll_loopback(bp, cpr, pkt_size);
3543 
3544 	dma_unmap_single(&bp->pdev->dev, map, pkt_size, DMA_TO_DEVICE);
3545 	dev_kfree_skb(skb);
3546 	return rc;
3547 }
3548 
3549 static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
3550 {
3551 	struct hwrm_selftest_exec_output *resp;
3552 	struct hwrm_selftest_exec_input *req;
3553 	int rc;
3554 
3555 	rc = hwrm_req_init(bp, req, HWRM_SELFTEST_EXEC);
3556 	if (rc)
3557 		return rc;
3558 
3559 	hwrm_req_timeout(bp, req, bp->test_info->timeout);
3560 	req->flags = test_mask;
3561 
3562 	resp = hwrm_req_hold(bp, req);
3563 	rc = hwrm_req_send(bp, req);
3564 	*test_results = resp->test_success;
3565 	hwrm_req_drop(bp, req);
3566 	return rc;
3567 }
3568 
3569 #define BNXT_DRV_TESTS			4
3570 #define BNXT_MACLPBK_TEST_IDX		(bp->num_tests - BNXT_DRV_TESTS)
3571 #define BNXT_PHYLPBK_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 1)
3572 #define BNXT_EXTLPBK_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 2)
3573 #define BNXT_IRQ_TEST_IDX		(BNXT_MACLPBK_TEST_IDX + 3)
3574 
3575 static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
3576 			   u64 *buf)
3577 {
3578 	struct bnxt *bp = netdev_priv(dev);
3579 	bool do_ext_lpbk = false;
3580 	bool offline = false;
3581 	u8 test_results = 0;
3582 	u8 test_mask = 0;
3583 	int rc = 0, i;
3584 
3585 	if (!bp->num_tests || !BNXT_PF(bp))
3586 		return;
3587 	memset(buf, 0, sizeof(u64) * bp->num_tests);
3588 	if (!netif_running(dev)) {
3589 		etest->flags |= ETH_TEST_FL_FAILED;
3590 		return;
3591 	}
3592 
3593 	if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
3594 	    (bp->phy_flags & BNXT_PHY_FL_EXT_LPBK))
3595 		do_ext_lpbk = true;
3596 
3597 	if (etest->flags & ETH_TEST_FL_OFFLINE) {
3598 		if (bp->pf.active_vfs || !BNXT_SINGLE_PF(bp)) {
3599 			etest->flags |= ETH_TEST_FL_FAILED;
3600 			netdev_warn(dev, "Offline tests cannot be run with active VFs or on shared PF\n");
3601 			return;
3602 		}
3603 		offline = true;
3604 	}
3605 
3606 	for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
3607 		u8 bit_val = 1 << i;
3608 
3609 		if (!(bp->test_info->offline_mask & bit_val))
3610 			test_mask |= bit_val;
3611 		else if (offline)
3612 			test_mask |= bit_val;
3613 	}
3614 	if (!offline) {
3615 		bnxt_run_fw_tests(bp, test_mask, &test_results);
3616 	} else {
3617 		bnxt_ulp_stop(bp);
3618 		rc = bnxt_close_nic(bp, true, false);
3619 		if (rc) {
3620 			bnxt_ulp_start(bp, rc);
3621 			return;
3622 		}
3623 		bnxt_run_fw_tests(bp, test_mask, &test_results);
3624 
3625 		buf[BNXT_MACLPBK_TEST_IDX] = 1;
3626 		bnxt_hwrm_mac_loopback(bp, true);
3627 		msleep(250);
3628 		rc = bnxt_half_open_nic(bp);
3629 		if (rc) {
3630 			bnxt_hwrm_mac_loopback(bp, false);
3631 			etest->flags |= ETH_TEST_FL_FAILED;
3632 			bnxt_ulp_start(bp, rc);
3633 			return;
3634 		}
3635 		if (bnxt_run_loopback(bp))
3636 			etest->flags |= ETH_TEST_FL_FAILED;
3637 		else
3638 			buf[BNXT_MACLPBK_TEST_IDX] = 0;
3639 
3640 		bnxt_hwrm_mac_loopback(bp, false);
3641 		bnxt_hwrm_phy_loopback(bp, true, false);
3642 		msleep(1000);
3643 		if (bnxt_run_loopback(bp)) {
3644 			buf[BNXT_PHYLPBK_TEST_IDX] = 1;
3645 			etest->flags |= ETH_TEST_FL_FAILED;
3646 		}
3647 		if (do_ext_lpbk) {
3648 			etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
3649 			bnxt_hwrm_phy_loopback(bp, true, true);
3650 			msleep(1000);
3651 			if (bnxt_run_loopback(bp)) {
3652 				buf[BNXT_EXTLPBK_TEST_IDX] = 1;
3653 				etest->flags |= ETH_TEST_FL_FAILED;
3654 			}
3655 		}
3656 		bnxt_hwrm_phy_loopback(bp, false, false);
3657 		bnxt_half_close_nic(bp);
3658 		rc = bnxt_open_nic(bp, true, true);
3659 		bnxt_ulp_start(bp, rc);
3660 	}
3661 	if (rc || bnxt_test_irq(bp)) {
3662 		buf[BNXT_IRQ_TEST_IDX] = 1;
3663 		etest->flags |= ETH_TEST_FL_FAILED;
3664 	}
3665 	for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
3666 		u8 bit_val = 1 << i;
3667 
3668 		if ((test_mask & bit_val) && !(test_results & bit_val)) {
3669 			buf[i] = 1;
3670 			etest->flags |= ETH_TEST_FL_FAILED;
3671 		}
3672 	}
3673 }
3674 
3675 static int bnxt_reset(struct net_device *dev, u32 *flags)
3676 {
3677 	struct bnxt *bp = netdev_priv(dev);
3678 	bool reload = false;
3679 	u32 req = *flags;
3680 
3681 	if (!req)
3682 		return -EINVAL;
3683 
3684 	if (!BNXT_PF(bp)) {
3685 		netdev_err(dev, "Reset is not supported from a VF\n");
3686 		return -EOPNOTSUPP;
3687 	}
3688 
3689 	if (pci_vfs_assigned(bp->pdev) &&
3690 	    !(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) {
3691 		netdev_err(dev,
3692 			   "Reset not allowed when VFs are assigned to VMs\n");
3693 		return -EBUSY;
3694 	}
3695 
3696 	if ((req & BNXT_FW_RESET_CHIP) == BNXT_FW_RESET_CHIP) {
3697 		/* This feature is not supported in older firmware versions */
3698 		if (bp->hwrm_spec_code >= 0x10803) {
3699 			if (!bnxt_firmware_reset_chip(dev)) {
3700 				netdev_info(dev, "Firmware reset request successful.\n");
3701 				if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET))
3702 					reload = true;
3703 				*flags &= ~BNXT_FW_RESET_CHIP;
3704 			}
3705 		} else if (req == BNXT_FW_RESET_CHIP) {
3706 			return -EOPNOTSUPP; /* only request, fail hard */
3707 		}
3708 	}
3709 
3710 	if (req & BNXT_FW_RESET_AP) {
3711 		/* This feature is not supported in older firmware versions */
3712 		if (bp->hwrm_spec_code >= 0x10803) {
3713 			if (!bnxt_firmware_reset_ap(dev)) {
3714 				netdev_info(dev, "Reset application processor successful.\n");
3715 				reload = true;
3716 				*flags &= ~BNXT_FW_RESET_AP;
3717 			}
3718 		} else if (req == BNXT_FW_RESET_AP) {
3719 			return -EOPNOTSUPP; /* only request, fail hard */
3720 		}
3721 	}
3722 
3723 	if (reload)
3724 		netdev_info(dev, "Reload driver to complete reset\n");
3725 
3726 	return 0;
3727 }
3728 
3729 static int bnxt_set_dump(struct net_device *dev, struct ethtool_dump *dump)
3730 {
3731 	struct bnxt *bp = netdev_priv(dev);
3732 
3733 	if (dump->flag > BNXT_DUMP_CRASH) {
3734 		netdev_info(dev, "Supports only Live(0) and Crash(1) dumps.\n");
3735 		return -EINVAL;
3736 	}
3737 
3738 	if (!IS_ENABLED(CONFIG_TEE_BNXT_FW) && dump->flag == BNXT_DUMP_CRASH) {
3739 		netdev_info(dev, "Cannot collect crash dump as TEE_BNXT_FW config option is not enabled.\n");
3740 		return -EOPNOTSUPP;
3741 	}
3742 
3743 	bp->dump_flag = dump->flag;
3744 	return 0;
3745 }
3746 
3747 static int bnxt_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
3748 {
3749 	struct bnxt *bp = netdev_priv(dev);
3750 
3751 	if (bp->hwrm_spec_code < 0x10801)
3752 		return -EOPNOTSUPP;
3753 
3754 	dump->version = bp->ver_resp.hwrm_fw_maj_8b << 24 |
3755 			bp->ver_resp.hwrm_fw_min_8b << 16 |
3756 			bp->ver_resp.hwrm_fw_bld_8b << 8 |
3757 			bp->ver_resp.hwrm_fw_rsvd_8b;
3758 
3759 	dump->flag = bp->dump_flag;
3760 	dump->len = bnxt_get_coredump_length(bp, bp->dump_flag);
3761 	return 0;
3762 }
3763 
3764 static int bnxt_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
3765 			      void *buf)
3766 {
3767 	struct bnxt *bp = netdev_priv(dev);
3768 
3769 	if (bp->hwrm_spec_code < 0x10801)
3770 		return -EOPNOTSUPP;
3771 
3772 	memset(buf, 0, dump->len);
3773 
3774 	dump->flag = bp->dump_flag;
3775 	return bnxt_get_coredump(bp, dump->flag, buf, &dump->len);
3776 }
3777 
3778 static int bnxt_get_ts_info(struct net_device *dev,
3779 			    struct ethtool_ts_info *info)
3780 {
3781 	struct bnxt *bp = netdev_priv(dev);
3782 	struct bnxt_ptp_cfg *ptp;
3783 
3784 	ptp = bp->ptp_cfg;
3785 	info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3786 				SOF_TIMESTAMPING_RX_SOFTWARE |
3787 				SOF_TIMESTAMPING_SOFTWARE;
3788 
3789 	info->phc_index = -1;
3790 	if (!ptp)
3791 		return 0;
3792 
3793 	info->so_timestamping |= SOF_TIMESTAMPING_TX_HARDWARE |
3794 				 SOF_TIMESTAMPING_RX_HARDWARE |
3795 				 SOF_TIMESTAMPING_RAW_HARDWARE;
3796 	if (ptp->ptp_clock)
3797 		info->phc_index = ptp_clock_index(ptp->ptp_clock);
3798 
3799 	info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON);
3800 
3801 	info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
3802 			   (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
3803 			   (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT);
3804 	return 0;
3805 }
3806 
3807 void bnxt_ethtool_init(struct bnxt *bp)
3808 {
3809 	struct hwrm_selftest_qlist_output *resp;
3810 	struct hwrm_selftest_qlist_input *req;
3811 	struct bnxt_test_info *test_info;
3812 	struct net_device *dev = bp->dev;
3813 	int i, rc;
3814 
3815 	if (!(bp->fw_cap & BNXT_FW_CAP_PKG_VER))
3816 		bnxt_get_pkgver(dev);
3817 
3818 	bp->num_tests = 0;
3819 	if (bp->hwrm_spec_code < 0x10704 || !BNXT_PF(bp))
3820 		return;
3821 
3822 	test_info = bp->test_info;
3823 	if (!test_info) {
3824 		test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
3825 		if (!test_info)
3826 			return;
3827 		bp->test_info = test_info;
3828 	}
3829 
3830 	if (hwrm_req_init(bp, req, HWRM_SELFTEST_QLIST))
3831 		return;
3832 
3833 	resp = hwrm_req_hold(bp, req);
3834 	rc = hwrm_req_send_silent(bp, req);
3835 	if (rc)
3836 		goto ethtool_init_exit;
3837 
3838 	bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
3839 	if (bp->num_tests > BNXT_MAX_TEST)
3840 		bp->num_tests = BNXT_MAX_TEST;
3841 
3842 	test_info->offline_mask = resp->offline_tests;
3843 	test_info->timeout = le16_to_cpu(resp->test_timeout);
3844 	if (!test_info->timeout)
3845 		test_info->timeout = HWRM_CMD_TIMEOUT;
3846 	for (i = 0; i < bp->num_tests; i++) {
3847 		char *str = test_info->string[i];
3848 		char *fw_str = resp->test0_name + i * 32;
3849 
3850 		if (i == BNXT_MACLPBK_TEST_IDX) {
3851 			strcpy(str, "Mac loopback test (offline)");
3852 		} else if (i == BNXT_PHYLPBK_TEST_IDX) {
3853 			strcpy(str, "Phy loopback test (offline)");
3854 		} else if (i == BNXT_EXTLPBK_TEST_IDX) {
3855 			strcpy(str, "Ext loopback test (offline)");
3856 		} else if (i == BNXT_IRQ_TEST_IDX) {
3857 			strcpy(str, "Interrupt_test (offline)");
3858 		} else {
3859 			strlcpy(str, fw_str, ETH_GSTRING_LEN);
3860 			strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
3861 			if (test_info->offline_mask & (1 << i))
3862 				strncat(str, " (offline)",
3863 					ETH_GSTRING_LEN - strlen(str));
3864 			else
3865 				strncat(str, " (online)",
3866 					ETH_GSTRING_LEN - strlen(str));
3867 		}
3868 	}
3869 
3870 ethtool_init_exit:
3871 	hwrm_req_drop(bp, req);
3872 }
3873 
3874 static void bnxt_get_eth_phy_stats(struct net_device *dev,
3875 				   struct ethtool_eth_phy_stats *phy_stats)
3876 {
3877 	struct bnxt *bp = netdev_priv(dev);
3878 	u64 *rx;
3879 
3880 	if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS_EXT))
3881 		return;
3882 
3883 	rx = bp->rx_port_stats_ext.sw_stats;
3884 	phy_stats->SymbolErrorDuringCarrier =
3885 		*(rx + BNXT_RX_STATS_EXT_OFFSET(rx_pcs_symbol_err));
3886 }
3887 
3888 static void bnxt_get_eth_mac_stats(struct net_device *dev,
3889 				   struct ethtool_eth_mac_stats *mac_stats)
3890 {
3891 	struct bnxt *bp = netdev_priv(dev);
3892 	u64 *rx, *tx;
3893 
3894 	if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))
3895 		return;
3896 
3897 	rx = bp->port_stats.sw_stats;
3898 	tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8;
3899 
3900 	mac_stats->FramesReceivedOK =
3901 		BNXT_GET_RX_PORT_STATS64(rx, rx_good_frames);
3902 	mac_stats->FramesTransmittedOK =
3903 		BNXT_GET_TX_PORT_STATS64(tx, tx_good_frames);
3904 	mac_stats->FrameCheckSequenceErrors =
3905 		BNXT_GET_RX_PORT_STATS64(rx, rx_fcs_err_frames);
3906 	mac_stats->AlignmentErrors =
3907 		BNXT_GET_RX_PORT_STATS64(rx, rx_align_err_frames);
3908 	mac_stats->OutOfRangeLengthField =
3909 		BNXT_GET_RX_PORT_STATS64(rx, rx_oor_len_frames);
3910 }
3911 
3912 static void bnxt_get_eth_ctrl_stats(struct net_device *dev,
3913 				    struct ethtool_eth_ctrl_stats *ctrl_stats)
3914 {
3915 	struct bnxt *bp = netdev_priv(dev);
3916 	u64 *rx;
3917 
3918 	if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))
3919 		return;
3920 
3921 	rx = bp->port_stats.sw_stats;
3922 	ctrl_stats->MACControlFramesReceived =
3923 		BNXT_GET_RX_PORT_STATS64(rx, rx_ctrl_frames);
3924 }
3925 
3926 static const struct ethtool_rmon_hist_range bnxt_rmon_ranges[] = {
3927 	{    0,    64 },
3928 	{   65,   127 },
3929 	{  128,   255 },
3930 	{  256,   511 },
3931 	{  512,  1023 },
3932 	{ 1024,  1518 },
3933 	{ 1519,  2047 },
3934 	{ 2048,  4095 },
3935 	{ 4096,  9216 },
3936 	{ 9217, 16383 },
3937 	{}
3938 };
3939 
3940 static void bnxt_get_rmon_stats(struct net_device *dev,
3941 				struct ethtool_rmon_stats *rmon_stats,
3942 				const struct ethtool_rmon_hist_range **ranges)
3943 {
3944 	struct bnxt *bp = netdev_priv(dev);
3945 	u64 *rx, *tx;
3946 
3947 	if (BNXT_VF(bp) || !(bp->flags & BNXT_FLAG_PORT_STATS))
3948 		return;
3949 
3950 	rx = bp->port_stats.sw_stats;
3951 	tx = bp->port_stats.sw_stats + BNXT_TX_PORT_STATS_BYTE_OFFSET / 8;
3952 
3953 	rmon_stats->jabbers =
3954 		BNXT_GET_RX_PORT_STATS64(rx, rx_jbr_frames);
3955 	rmon_stats->oversize_pkts =
3956 		BNXT_GET_RX_PORT_STATS64(rx, rx_ovrsz_frames);
3957 	rmon_stats->undersize_pkts =
3958 		BNXT_GET_RX_PORT_STATS64(rx, rx_undrsz_frames);
3959 
3960 	rmon_stats->hist[0] = BNXT_GET_RX_PORT_STATS64(rx, rx_64b_frames);
3961 	rmon_stats->hist[1] = BNXT_GET_RX_PORT_STATS64(rx, rx_65b_127b_frames);
3962 	rmon_stats->hist[2] = BNXT_GET_RX_PORT_STATS64(rx, rx_128b_255b_frames);
3963 	rmon_stats->hist[3] = BNXT_GET_RX_PORT_STATS64(rx, rx_256b_511b_frames);
3964 	rmon_stats->hist[4] =
3965 		BNXT_GET_RX_PORT_STATS64(rx, rx_512b_1023b_frames);
3966 	rmon_stats->hist[5] =
3967 		BNXT_GET_RX_PORT_STATS64(rx, rx_1024b_1518b_frames);
3968 	rmon_stats->hist[6] =
3969 		BNXT_GET_RX_PORT_STATS64(rx, rx_1519b_2047b_frames);
3970 	rmon_stats->hist[7] =
3971 		BNXT_GET_RX_PORT_STATS64(rx, rx_2048b_4095b_frames);
3972 	rmon_stats->hist[8] =
3973 		BNXT_GET_RX_PORT_STATS64(rx, rx_4096b_9216b_frames);
3974 	rmon_stats->hist[9] =
3975 		BNXT_GET_RX_PORT_STATS64(rx, rx_9217b_16383b_frames);
3976 
3977 	rmon_stats->hist_tx[0] =
3978 		BNXT_GET_TX_PORT_STATS64(tx, tx_64b_frames);
3979 	rmon_stats->hist_tx[1] =
3980 		BNXT_GET_TX_PORT_STATS64(tx, tx_65b_127b_frames);
3981 	rmon_stats->hist_tx[2] =
3982 		BNXT_GET_TX_PORT_STATS64(tx, tx_128b_255b_frames);
3983 	rmon_stats->hist_tx[3] =
3984 		BNXT_GET_TX_PORT_STATS64(tx, tx_256b_511b_frames);
3985 	rmon_stats->hist_tx[4] =
3986 		BNXT_GET_TX_PORT_STATS64(tx, tx_512b_1023b_frames);
3987 	rmon_stats->hist_tx[5] =
3988 		BNXT_GET_TX_PORT_STATS64(tx, tx_1024b_1518b_frames);
3989 	rmon_stats->hist_tx[6] =
3990 		BNXT_GET_TX_PORT_STATS64(tx, tx_1519b_2047b_frames);
3991 	rmon_stats->hist_tx[7] =
3992 		BNXT_GET_TX_PORT_STATS64(tx, tx_2048b_4095b_frames);
3993 	rmon_stats->hist_tx[8] =
3994 		BNXT_GET_TX_PORT_STATS64(tx, tx_4096b_9216b_frames);
3995 	rmon_stats->hist_tx[9] =
3996 		BNXT_GET_TX_PORT_STATS64(tx, tx_9217b_16383b_frames);
3997 
3998 	*ranges = bnxt_rmon_ranges;
3999 }
4000 
4001 void bnxt_ethtool_free(struct bnxt *bp)
4002 {
4003 	kfree(bp->test_info);
4004 	bp->test_info = NULL;
4005 }
4006 
4007 const struct ethtool_ops bnxt_ethtool_ops = {
4008 	.supported_coalesce_params = ETHTOOL_COALESCE_USECS |
4009 				     ETHTOOL_COALESCE_MAX_FRAMES |
4010 				     ETHTOOL_COALESCE_USECS_IRQ |
4011 				     ETHTOOL_COALESCE_MAX_FRAMES_IRQ |
4012 				     ETHTOOL_COALESCE_STATS_BLOCK_USECS |
4013 				     ETHTOOL_COALESCE_USE_ADAPTIVE_RX |
4014 				     ETHTOOL_COALESCE_USE_CQE,
4015 	.get_link_ksettings	= bnxt_get_link_ksettings,
4016 	.set_link_ksettings	= bnxt_set_link_ksettings,
4017 	.get_fec_stats		= bnxt_get_fec_stats,
4018 	.get_fecparam		= bnxt_get_fecparam,
4019 	.set_fecparam		= bnxt_set_fecparam,
4020 	.get_pause_stats	= bnxt_get_pause_stats,
4021 	.get_pauseparam		= bnxt_get_pauseparam,
4022 	.set_pauseparam		= bnxt_set_pauseparam,
4023 	.get_drvinfo		= bnxt_get_drvinfo,
4024 	.get_regs_len		= bnxt_get_regs_len,
4025 	.get_regs		= bnxt_get_regs,
4026 	.get_wol		= bnxt_get_wol,
4027 	.set_wol		= bnxt_set_wol,
4028 	.get_coalesce		= bnxt_get_coalesce,
4029 	.set_coalesce		= bnxt_set_coalesce,
4030 	.get_msglevel		= bnxt_get_msglevel,
4031 	.set_msglevel		= bnxt_set_msglevel,
4032 	.get_sset_count		= bnxt_get_sset_count,
4033 	.get_strings		= bnxt_get_strings,
4034 	.get_ethtool_stats	= bnxt_get_ethtool_stats,
4035 	.set_ringparam		= bnxt_set_ringparam,
4036 	.get_ringparam		= bnxt_get_ringparam,
4037 	.get_channels		= bnxt_get_channels,
4038 	.set_channels		= bnxt_set_channels,
4039 	.get_rxnfc		= bnxt_get_rxnfc,
4040 	.set_rxnfc		= bnxt_set_rxnfc,
4041 	.get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
4042 	.get_rxfh_key_size      = bnxt_get_rxfh_key_size,
4043 	.get_rxfh               = bnxt_get_rxfh,
4044 	.set_rxfh		= bnxt_set_rxfh,
4045 	.flash_device		= bnxt_flash_device,
4046 	.get_eeprom_len         = bnxt_get_eeprom_len,
4047 	.get_eeprom             = bnxt_get_eeprom,
4048 	.set_eeprom		= bnxt_set_eeprom,
4049 	.get_link		= bnxt_get_link,
4050 	.get_eee		= bnxt_get_eee,
4051 	.set_eee		= bnxt_set_eee,
4052 	.get_module_info	= bnxt_get_module_info,
4053 	.get_module_eeprom	= bnxt_get_module_eeprom,
4054 	.nway_reset		= bnxt_nway_reset,
4055 	.set_phys_id		= bnxt_set_phys_id,
4056 	.self_test		= bnxt_self_test,
4057 	.get_ts_info		= bnxt_get_ts_info,
4058 	.reset			= bnxt_reset,
4059 	.set_dump		= bnxt_set_dump,
4060 	.get_dump_flag		= bnxt_get_dump_flag,
4061 	.get_dump_data		= bnxt_get_dump_data,
4062 	.get_eth_phy_stats	= bnxt_get_eth_phy_stats,
4063 	.get_eth_mac_stats	= bnxt_get_eth_mac_stats,
4064 	.get_eth_ctrl_stats	= bnxt_get_eth_ctrl_stats,
4065 	.get_rmon_stats		= bnxt_get_rmon_stats,
4066 };
4067