Merge tag 'zynqmp-soc-for-v5.7' of https://github.com/Xilinx/linux-xlnx into arm/soc
[linux-2.6-microblaze.git] / drivers / net / ethernet / broadcom / bnxt / bnxt_ethtool.c
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/interrupt.h>
15 #include <linux/pci.h>
16 #include <linux/etherdevice.h>
17 #include <linux/crc32.h>
18 #include <linux/firmware.h>
19 #include <linux/utsname.h>
20 #include <linux/time.h>
21 #include "bnxt_hsi.h"
22 #include "bnxt.h"
23 #include "bnxt_xdp.h"
24 #include "bnxt_ethtool.h"
25 #include "bnxt_nvm_defs.h"      /* NVRAM content constant and structure defs */
26 #include "bnxt_fw_hdr.h"        /* Firmware hdr constant and structure defs */
27 #include "bnxt_coredump.h"
28 #define FLASH_NVRAM_TIMEOUT     ((HWRM_CMD_TIMEOUT) * 100)
29 #define FLASH_PACKAGE_TIMEOUT   ((HWRM_CMD_TIMEOUT) * 200)
30 #define INSTALL_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
31
32 static u32 bnxt_get_msglevel(struct net_device *dev)
33 {
34         struct bnxt *bp = netdev_priv(dev);
35
36         return bp->msg_enable;
37 }
38
39 static void bnxt_set_msglevel(struct net_device *dev, u32 value)
40 {
41         struct bnxt *bp = netdev_priv(dev);
42
43         bp->msg_enable = value;
44 }
45
46 static int bnxt_get_coalesce(struct net_device *dev,
47                              struct ethtool_coalesce *coal)
48 {
49         struct bnxt *bp = netdev_priv(dev);
50         struct bnxt_coal *hw_coal;
51         u16 mult;
52
53         memset(coal, 0, sizeof(*coal));
54
55         coal->use_adaptive_rx_coalesce = bp->flags & BNXT_FLAG_DIM;
56
57         hw_coal = &bp->rx_coal;
58         mult = hw_coal->bufs_per_record;
59         coal->rx_coalesce_usecs = hw_coal->coal_ticks;
60         coal->rx_max_coalesced_frames = hw_coal->coal_bufs / mult;
61         coal->rx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
62         coal->rx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
63
64         hw_coal = &bp->tx_coal;
65         mult = hw_coal->bufs_per_record;
66         coal->tx_coalesce_usecs = hw_coal->coal_ticks;
67         coal->tx_max_coalesced_frames = hw_coal->coal_bufs / mult;
68         coal->tx_coalesce_usecs_irq = hw_coal->coal_ticks_irq;
69         coal->tx_max_coalesced_frames_irq = hw_coal->coal_bufs_irq / mult;
70
71         coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
72
73         return 0;
74 }
75
76 static int bnxt_set_coalesce(struct net_device *dev,
77                              struct ethtool_coalesce *coal)
78 {
79         struct bnxt *bp = netdev_priv(dev);
80         bool update_stats = false;
81         struct bnxt_coal *hw_coal;
82         int rc = 0;
83         u16 mult;
84
85         if (coal->use_adaptive_rx_coalesce) {
86                 bp->flags |= BNXT_FLAG_DIM;
87         } else {
88                 if (bp->flags & BNXT_FLAG_DIM) {
89                         bp->flags &= ~(BNXT_FLAG_DIM);
90                         goto reset_coalesce;
91                 }
92         }
93
94         hw_coal = &bp->rx_coal;
95         mult = hw_coal->bufs_per_record;
96         hw_coal->coal_ticks = coal->rx_coalesce_usecs;
97         hw_coal->coal_bufs = coal->rx_max_coalesced_frames * mult;
98         hw_coal->coal_ticks_irq = coal->rx_coalesce_usecs_irq;
99         hw_coal->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * mult;
100
101         hw_coal = &bp->tx_coal;
102         mult = hw_coal->bufs_per_record;
103         hw_coal->coal_ticks = coal->tx_coalesce_usecs;
104         hw_coal->coal_bufs = coal->tx_max_coalesced_frames * mult;
105         hw_coal->coal_ticks_irq = coal->tx_coalesce_usecs_irq;
106         hw_coal->coal_bufs_irq = coal->tx_max_coalesced_frames_irq * mult;
107
108         if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
109                 u32 stats_ticks = coal->stats_block_coalesce_usecs;
110
111                 /* Allow 0, which means disable. */
112                 if (stats_ticks)
113                         stats_ticks = clamp_t(u32, stats_ticks,
114                                               BNXT_MIN_STATS_COAL_TICKS,
115                                               BNXT_MAX_STATS_COAL_TICKS);
116                 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
117                 bp->stats_coal_ticks = stats_ticks;
118                 if (bp->stats_coal_ticks)
119                         bp->current_interval =
120                                 bp->stats_coal_ticks * HZ / 1000000;
121                 else
122                         bp->current_interval = BNXT_TIMER_INTERVAL;
123                 update_stats = true;
124         }
125
126 reset_coalesce:
127         if (netif_running(dev)) {
128                 if (update_stats) {
129                         rc = bnxt_close_nic(bp, true, false);
130                         if (!rc)
131                                 rc = bnxt_open_nic(bp, true, false);
132                 } else {
133                         rc = bnxt_hwrm_set_coal(bp);
134                 }
135         }
136
137         return rc;
138 }
139
140 static const char * const bnxt_ring_stats_str[] = {
141         "rx_ucast_packets",
142         "rx_mcast_packets",
143         "rx_bcast_packets",
144         "rx_discards",
145         "rx_drops",
146         "rx_ucast_bytes",
147         "rx_mcast_bytes",
148         "rx_bcast_bytes",
149         "tx_ucast_packets",
150         "tx_mcast_packets",
151         "tx_bcast_packets",
152         "tx_discards",
153         "tx_drops",
154         "tx_ucast_bytes",
155         "tx_mcast_bytes",
156         "tx_bcast_bytes",
157 };
158
159 static const char * const bnxt_ring_tpa_stats_str[] = {
160         "tpa_packets",
161         "tpa_bytes",
162         "tpa_events",
163         "tpa_aborts",
164 };
165
166 static const char * const bnxt_ring_tpa2_stats_str[] = {
167         "rx_tpa_eligible_pkt",
168         "rx_tpa_eligible_bytes",
169         "rx_tpa_pkt",
170         "rx_tpa_bytes",
171         "rx_tpa_errors",
172 };
173
174 static const char * const bnxt_ring_sw_stats_str[] = {
175         "rx_l4_csum_errors",
176         "rx_buf_errors",
177         "missed_irqs",
178 };
179
180 #define BNXT_RX_STATS_ENTRY(counter)    \
181         { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
182
183 #define BNXT_TX_STATS_ENTRY(counter)    \
184         { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
185
186 #define BNXT_RX_STATS_EXT_ENTRY(counter)        \
187         { BNXT_RX_STATS_EXT_OFFSET(counter), __stringify(counter) }
188
189 #define BNXT_TX_STATS_EXT_ENTRY(counter)        \
190         { BNXT_TX_STATS_EXT_OFFSET(counter), __stringify(counter) }
191
192 #define BNXT_RX_STATS_EXT_PFC_ENTRY(n)                          \
193         BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_duration_us),   \
194         BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_transitions)
195
196 #define BNXT_TX_STATS_EXT_PFC_ENTRY(n)                          \
197         BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_duration_us),   \
198         BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_transitions)
199
200 #define BNXT_RX_STATS_EXT_PFC_ENTRIES                           \
201         BNXT_RX_STATS_EXT_PFC_ENTRY(0),                         \
202         BNXT_RX_STATS_EXT_PFC_ENTRY(1),                         \
203         BNXT_RX_STATS_EXT_PFC_ENTRY(2),                         \
204         BNXT_RX_STATS_EXT_PFC_ENTRY(3),                         \
205         BNXT_RX_STATS_EXT_PFC_ENTRY(4),                         \
206         BNXT_RX_STATS_EXT_PFC_ENTRY(5),                         \
207         BNXT_RX_STATS_EXT_PFC_ENTRY(6),                         \
208         BNXT_RX_STATS_EXT_PFC_ENTRY(7)
209
210 #define BNXT_TX_STATS_EXT_PFC_ENTRIES                           \
211         BNXT_TX_STATS_EXT_PFC_ENTRY(0),                         \
212         BNXT_TX_STATS_EXT_PFC_ENTRY(1),                         \
213         BNXT_TX_STATS_EXT_PFC_ENTRY(2),                         \
214         BNXT_TX_STATS_EXT_PFC_ENTRY(3),                         \
215         BNXT_TX_STATS_EXT_PFC_ENTRY(4),                         \
216         BNXT_TX_STATS_EXT_PFC_ENTRY(5),                         \
217         BNXT_TX_STATS_EXT_PFC_ENTRY(6),                         \
218         BNXT_TX_STATS_EXT_PFC_ENTRY(7)
219
220 #define BNXT_RX_STATS_EXT_COS_ENTRY(n)                          \
221         BNXT_RX_STATS_EXT_ENTRY(rx_bytes_cos##n),               \
222         BNXT_RX_STATS_EXT_ENTRY(rx_packets_cos##n)
223
224 #define BNXT_TX_STATS_EXT_COS_ENTRY(n)                          \
225         BNXT_TX_STATS_EXT_ENTRY(tx_bytes_cos##n),               \
226         BNXT_TX_STATS_EXT_ENTRY(tx_packets_cos##n)
227
228 #define BNXT_RX_STATS_EXT_COS_ENTRIES                           \
229         BNXT_RX_STATS_EXT_COS_ENTRY(0),                         \
230         BNXT_RX_STATS_EXT_COS_ENTRY(1),                         \
231         BNXT_RX_STATS_EXT_COS_ENTRY(2),                         \
232         BNXT_RX_STATS_EXT_COS_ENTRY(3),                         \
233         BNXT_RX_STATS_EXT_COS_ENTRY(4),                         \
234         BNXT_RX_STATS_EXT_COS_ENTRY(5),                         \
235         BNXT_RX_STATS_EXT_COS_ENTRY(6),                         \
236         BNXT_RX_STATS_EXT_COS_ENTRY(7)                          \
237
238 #define BNXT_TX_STATS_EXT_COS_ENTRIES                           \
239         BNXT_TX_STATS_EXT_COS_ENTRY(0),                         \
240         BNXT_TX_STATS_EXT_COS_ENTRY(1),                         \
241         BNXT_TX_STATS_EXT_COS_ENTRY(2),                         \
242         BNXT_TX_STATS_EXT_COS_ENTRY(3),                         \
243         BNXT_TX_STATS_EXT_COS_ENTRY(4),                         \
244         BNXT_TX_STATS_EXT_COS_ENTRY(5),                         \
245         BNXT_TX_STATS_EXT_COS_ENTRY(6),                         \
246         BNXT_TX_STATS_EXT_COS_ENTRY(7)                          \
247
248 #define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(n)                  \
249         BNXT_RX_STATS_EXT_ENTRY(rx_discard_bytes_cos##n),       \
250         BNXT_RX_STATS_EXT_ENTRY(rx_discard_packets_cos##n)
251
252 #define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES                           \
253         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(0),                         \
254         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(1),                         \
255         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(2),                         \
256         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(3),                         \
257         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(4),                         \
258         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(5),                         \
259         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(6),                         \
260         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(7)
261
262 #define BNXT_RX_STATS_PRI_ENTRY(counter, n)             \
263         { BNXT_RX_STATS_EXT_OFFSET(counter##_cos0),     \
264           __stringify(counter##_pri##n) }
265
266 #define BNXT_TX_STATS_PRI_ENTRY(counter, n)             \
267         { BNXT_TX_STATS_EXT_OFFSET(counter##_cos0),     \
268           __stringify(counter##_pri##n) }
269
270 #define BNXT_RX_STATS_PRI_ENTRIES(counter)              \
271         BNXT_RX_STATS_PRI_ENTRY(counter, 0),            \
272         BNXT_RX_STATS_PRI_ENTRY(counter, 1),            \
273         BNXT_RX_STATS_PRI_ENTRY(counter, 2),            \
274         BNXT_RX_STATS_PRI_ENTRY(counter, 3),            \
275         BNXT_RX_STATS_PRI_ENTRY(counter, 4),            \
276         BNXT_RX_STATS_PRI_ENTRY(counter, 5),            \
277         BNXT_RX_STATS_PRI_ENTRY(counter, 6),            \
278         BNXT_RX_STATS_PRI_ENTRY(counter, 7)
279
280 #define BNXT_TX_STATS_PRI_ENTRIES(counter)              \
281         BNXT_TX_STATS_PRI_ENTRY(counter, 0),            \
282         BNXT_TX_STATS_PRI_ENTRY(counter, 1),            \
283         BNXT_TX_STATS_PRI_ENTRY(counter, 2),            \
284         BNXT_TX_STATS_PRI_ENTRY(counter, 3),            \
285         BNXT_TX_STATS_PRI_ENTRY(counter, 4),            \
286         BNXT_TX_STATS_PRI_ENTRY(counter, 5),            \
287         BNXT_TX_STATS_PRI_ENTRY(counter, 6),            \
288         BNXT_TX_STATS_PRI_ENTRY(counter, 7)
289
290 #define BNXT_PCIE_STATS_ENTRY(counter)  \
291         { BNXT_PCIE_STATS_OFFSET(counter), __stringify(counter) }
292
293 enum {
294         RX_TOTAL_DISCARDS,
295         TX_TOTAL_DISCARDS,
296 };
297
298 static struct {
299         u64                     counter;
300         char                    string[ETH_GSTRING_LEN];
301 } bnxt_sw_func_stats[] = {
302         {0, "rx_total_discard_pkts"},
303         {0, "tx_total_discard_pkts"},
304 };
305
306 static const struct {
307         long offset;
308         char string[ETH_GSTRING_LEN];
309 } bnxt_port_stats_arr[] = {
310         BNXT_RX_STATS_ENTRY(rx_64b_frames),
311         BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
312         BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
313         BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
314         BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
315         BNXT_RX_STATS_ENTRY(rx_1024b_1518b_frames),
316         BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
317         BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
318         BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
319         BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
320         BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
321         BNXT_RX_STATS_ENTRY(rx_total_frames),
322         BNXT_RX_STATS_ENTRY(rx_ucast_frames),
323         BNXT_RX_STATS_ENTRY(rx_mcast_frames),
324         BNXT_RX_STATS_ENTRY(rx_bcast_frames),
325         BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
326         BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
327         BNXT_RX_STATS_ENTRY(rx_pause_frames),
328         BNXT_RX_STATS_ENTRY(rx_pfc_frames),
329         BNXT_RX_STATS_ENTRY(rx_align_err_frames),
330         BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
331         BNXT_RX_STATS_ENTRY(rx_jbr_frames),
332         BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
333         BNXT_RX_STATS_ENTRY(rx_tagged_frames),
334         BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
335         BNXT_RX_STATS_ENTRY(rx_good_frames),
336         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
337         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
338         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
339         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
340         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
341         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
342         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
343         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
344         BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
345         BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
346         BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
347         BNXT_RX_STATS_ENTRY(rx_bytes),
348         BNXT_RX_STATS_ENTRY(rx_runt_bytes),
349         BNXT_RX_STATS_ENTRY(rx_runt_frames),
350         BNXT_RX_STATS_ENTRY(rx_stat_discard),
351         BNXT_RX_STATS_ENTRY(rx_stat_err),
352
353         BNXT_TX_STATS_ENTRY(tx_64b_frames),
354         BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
355         BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
356         BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
357         BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
358         BNXT_TX_STATS_ENTRY(tx_1024b_1518b_frames),
359         BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
360         BNXT_TX_STATS_ENTRY(tx_1519b_2047b_frames),
361         BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
362         BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
363         BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
364         BNXT_TX_STATS_ENTRY(tx_good_frames),
365         BNXT_TX_STATS_ENTRY(tx_total_frames),
366         BNXT_TX_STATS_ENTRY(tx_ucast_frames),
367         BNXT_TX_STATS_ENTRY(tx_mcast_frames),
368         BNXT_TX_STATS_ENTRY(tx_bcast_frames),
369         BNXT_TX_STATS_ENTRY(tx_pause_frames),
370         BNXT_TX_STATS_ENTRY(tx_pfc_frames),
371         BNXT_TX_STATS_ENTRY(tx_jabber_frames),
372         BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
373         BNXT_TX_STATS_ENTRY(tx_err),
374         BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
375         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
376         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
377         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
378         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
379         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
380         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
381         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
382         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
383         BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
384         BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
385         BNXT_TX_STATS_ENTRY(tx_total_collisions),
386         BNXT_TX_STATS_ENTRY(tx_bytes),
387         BNXT_TX_STATS_ENTRY(tx_xthol_frames),
388         BNXT_TX_STATS_ENTRY(tx_stat_discard),
389         BNXT_TX_STATS_ENTRY(tx_stat_error),
390 };
391
392 static const struct {
393         long offset;
394         char string[ETH_GSTRING_LEN];
395 } bnxt_port_stats_ext_arr[] = {
396         BNXT_RX_STATS_EXT_ENTRY(link_down_events),
397         BNXT_RX_STATS_EXT_ENTRY(continuous_pause_events),
398         BNXT_RX_STATS_EXT_ENTRY(resume_pause_events),
399         BNXT_RX_STATS_EXT_ENTRY(continuous_roce_pause_events),
400         BNXT_RX_STATS_EXT_ENTRY(resume_roce_pause_events),
401         BNXT_RX_STATS_EXT_COS_ENTRIES,
402         BNXT_RX_STATS_EXT_PFC_ENTRIES,
403         BNXT_RX_STATS_EXT_ENTRY(rx_bits),
404         BNXT_RX_STATS_EXT_ENTRY(rx_buffer_passed_threshold),
405         BNXT_RX_STATS_EXT_ENTRY(rx_pcs_symbol_err),
406         BNXT_RX_STATS_EXT_ENTRY(rx_corrected_bits),
407         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES,
408 };
409
410 static const struct {
411         long offset;
412         char string[ETH_GSTRING_LEN];
413 } bnxt_tx_port_stats_ext_arr[] = {
414         BNXT_TX_STATS_EXT_COS_ENTRIES,
415         BNXT_TX_STATS_EXT_PFC_ENTRIES,
416 };
417
418 static const struct {
419         long base_off;
420         char string[ETH_GSTRING_LEN];
421 } bnxt_rx_bytes_pri_arr[] = {
422         BNXT_RX_STATS_PRI_ENTRIES(rx_bytes),
423 };
424
425 static const struct {
426         long base_off;
427         char string[ETH_GSTRING_LEN];
428 } bnxt_rx_pkts_pri_arr[] = {
429         BNXT_RX_STATS_PRI_ENTRIES(rx_packets),
430 };
431
432 static const struct {
433         long base_off;
434         char string[ETH_GSTRING_LEN];
435 } bnxt_tx_bytes_pri_arr[] = {
436         BNXT_TX_STATS_PRI_ENTRIES(tx_bytes),
437 };
438
439 static const struct {
440         long base_off;
441         char string[ETH_GSTRING_LEN];
442 } bnxt_tx_pkts_pri_arr[] = {
443         BNXT_TX_STATS_PRI_ENTRIES(tx_packets),
444 };
445
446 static const struct {
447         long offset;
448         char string[ETH_GSTRING_LEN];
449 } bnxt_pcie_stats_arr[] = {
450         BNXT_PCIE_STATS_ENTRY(pcie_pl_signal_integrity),
451         BNXT_PCIE_STATS_ENTRY(pcie_dl_signal_integrity),
452         BNXT_PCIE_STATS_ENTRY(pcie_tl_signal_integrity),
453         BNXT_PCIE_STATS_ENTRY(pcie_link_integrity),
454         BNXT_PCIE_STATS_ENTRY(pcie_tx_traffic_rate),
455         BNXT_PCIE_STATS_ENTRY(pcie_rx_traffic_rate),
456         BNXT_PCIE_STATS_ENTRY(pcie_tx_dllp_statistics),
457         BNXT_PCIE_STATS_ENTRY(pcie_rx_dllp_statistics),
458         BNXT_PCIE_STATS_ENTRY(pcie_equalization_time),
459         BNXT_PCIE_STATS_ENTRY(pcie_ltssm_histogram[0]),
460         BNXT_PCIE_STATS_ENTRY(pcie_ltssm_histogram[2]),
461         BNXT_PCIE_STATS_ENTRY(pcie_recovery_histogram),
462 };
463
464 #define BNXT_NUM_SW_FUNC_STATS  ARRAY_SIZE(bnxt_sw_func_stats)
465 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
466 #define BNXT_NUM_STATS_PRI                      \
467         (ARRAY_SIZE(bnxt_rx_bytes_pri_arr) +    \
468          ARRAY_SIZE(bnxt_rx_pkts_pri_arr) +     \
469          ARRAY_SIZE(bnxt_tx_bytes_pri_arr) +    \
470          ARRAY_SIZE(bnxt_tx_pkts_pri_arr))
471 #define BNXT_NUM_PCIE_STATS ARRAY_SIZE(bnxt_pcie_stats_arr)
472
473 static int bnxt_get_num_tpa_ring_stats(struct bnxt *bp)
474 {
475         if (BNXT_SUPPORTS_TPA(bp)) {
476                 if (bp->max_tpa_v2)
477                         return ARRAY_SIZE(bnxt_ring_tpa2_stats_str);
478                 return ARRAY_SIZE(bnxt_ring_tpa_stats_str);
479         }
480         return 0;
481 }
482
483 static int bnxt_get_num_ring_stats(struct bnxt *bp)
484 {
485         int num_stats;
486
487         num_stats = ARRAY_SIZE(bnxt_ring_stats_str) +
488                     ARRAY_SIZE(bnxt_ring_sw_stats_str) +
489                     bnxt_get_num_tpa_ring_stats(bp);
490         return num_stats * bp->cp_nr_rings;
491 }
492
493 static int bnxt_get_num_stats(struct bnxt *bp)
494 {
495         int num_stats = bnxt_get_num_ring_stats(bp);
496
497         num_stats += BNXT_NUM_SW_FUNC_STATS;
498
499         if (bp->flags & BNXT_FLAG_PORT_STATS)
500                 num_stats += BNXT_NUM_PORT_STATS;
501
502         if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
503                 num_stats += bp->fw_rx_stats_ext_size +
504                              bp->fw_tx_stats_ext_size;
505                 if (bp->pri2cos_valid)
506                         num_stats += BNXT_NUM_STATS_PRI;
507         }
508
509         if (bp->flags & BNXT_FLAG_PCIE_STATS)
510                 num_stats += BNXT_NUM_PCIE_STATS;
511
512         return num_stats;
513 }
514
515 static int bnxt_get_sset_count(struct net_device *dev, int sset)
516 {
517         struct bnxt *bp = netdev_priv(dev);
518
519         switch (sset) {
520         case ETH_SS_STATS:
521                 return bnxt_get_num_stats(bp);
522         case ETH_SS_TEST:
523                 if (!bp->num_tests)
524                         return -EOPNOTSUPP;
525                 return bp->num_tests;
526         default:
527                 return -EOPNOTSUPP;
528         }
529 }
530
531 static void bnxt_get_ethtool_stats(struct net_device *dev,
532                                    struct ethtool_stats *stats, u64 *buf)
533 {
534         u32 i, j = 0;
535         struct bnxt *bp = netdev_priv(dev);
536         u32 stat_fields = ARRAY_SIZE(bnxt_ring_stats_str) +
537                           bnxt_get_num_tpa_ring_stats(bp);
538
539         if (!bp->bnapi) {
540                 j += bnxt_get_num_ring_stats(bp) + BNXT_NUM_SW_FUNC_STATS;
541                 goto skip_ring_stats;
542         }
543
544         for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
545                 bnxt_sw_func_stats[i].counter = 0;
546
547         for (i = 0; i < bp->cp_nr_rings; i++) {
548                 struct bnxt_napi *bnapi = bp->bnapi[i];
549                 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
550                 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
551                 int k;
552
553                 for (k = 0; k < stat_fields; j++, k++)
554                         buf[j] = le64_to_cpu(hw_stats[k]);
555                 buf[j++] = cpr->rx_l4_csum_errors;
556                 buf[j++] = cpr->rx_buf_errors;
557                 buf[j++] = cpr->missed_irqs;
558
559                 bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
560                         le64_to_cpu(cpr->hw_stats->rx_discard_pkts);
561                 bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
562                         le64_to_cpu(cpr->hw_stats->tx_discard_pkts);
563         }
564
565         for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++, j++)
566                 buf[j] = bnxt_sw_func_stats[i].counter;
567
568 skip_ring_stats:
569         if (bp->flags & BNXT_FLAG_PORT_STATS) {
570                 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
571
572                 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
573                         buf[j] = le64_to_cpu(*(port_stats +
574                                                bnxt_port_stats_arr[i].offset));
575                 }
576         }
577         if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
578                 __le64 *rx_port_stats_ext = (__le64 *)bp->hw_rx_port_stats_ext;
579                 __le64 *tx_port_stats_ext = (__le64 *)bp->hw_tx_port_stats_ext;
580
581                 for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) {
582                         buf[j] = le64_to_cpu(*(rx_port_stats_ext +
583                                             bnxt_port_stats_ext_arr[i].offset));
584                 }
585                 for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) {
586                         buf[j] = le64_to_cpu(*(tx_port_stats_ext +
587                                         bnxt_tx_port_stats_ext_arr[i].offset));
588                 }
589                 if (bp->pri2cos_valid) {
590                         for (i = 0; i < 8; i++, j++) {
591                                 long n = bnxt_rx_bytes_pri_arr[i].base_off +
592                                          bp->pri2cos[i];
593
594                                 buf[j] = le64_to_cpu(*(rx_port_stats_ext + n));
595                         }
596                         for (i = 0; i < 8; i++, j++) {
597                                 long n = bnxt_rx_pkts_pri_arr[i].base_off +
598                                          bp->pri2cos[i];
599
600                                 buf[j] = le64_to_cpu(*(rx_port_stats_ext + n));
601                         }
602                         for (i = 0; i < 8; i++, j++) {
603                                 long n = bnxt_tx_bytes_pri_arr[i].base_off +
604                                          bp->pri2cos[i];
605
606                                 buf[j] = le64_to_cpu(*(tx_port_stats_ext + n));
607                         }
608                         for (i = 0; i < 8; i++, j++) {
609                                 long n = bnxt_tx_pkts_pri_arr[i].base_off +
610                                          bp->pri2cos[i];
611
612                                 buf[j] = le64_to_cpu(*(tx_port_stats_ext + n));
613                         }
614                 }
615         }
616         if (bp->flags & BNXT_FLAG_PCIE_STATS) {
617                 __le64 *pcie_stats = (__le64 *)bp->hw_pcie_stats;
618
619                 for (i = 0; i < BNXT_NUM_PCIE_STATS; i++, j++) {
620                         buf[j] = le64_to_cpu(*(pcie_stats +
621                                                bnxt_pcie_stats_arr[i].offset));
622                 }
623         }
624 }
625
626 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
627 {
628         struct bnxt *bp = netdev_priv(dev);
629         static const char * const *str;
630         u32 i, j, num_str;
631
632         switch (stringset) {
633         case ETH_SS_STATS:
634                 for (i = 0; i < bp->cp_nr_rings; i++) {
635                         num_str = ARRAY_SIZE(bnxt_ring_stats_str);
636                         for (j = 0; j < num_str; j++) {
637                                 sprintf(buf, "[%d]: %s", i,
638                                         bnxt_ring_stats_str[j]);
639                                 buf += ETH_GSTRING_LEN;
640                         }
641                         if (!BNXT_SUPPORTS_TPA(bp))
642                                 goto skip_tpa_stats;
643
644                         if (bp->max_tpa_v2) {
645                                 num_str = ARRAY_SIZE(bnxt_ring_tpa2_stats_str);
646                                 str = bnxt_ring_tpa2_stats_str;
647                         } else {
648                                 num_str = ARRAY_SIZE(bnxt_ring_tpa_stats_str);
649                                 str = bnxt_ring_tpa_stats_str;
650                         }
651                         for (j = 0; j < num_str; j++) {
652                                 sprintf(buf, "[%d]: %s", i, str[j]);
653                                 buf += ETH_GSTRING_LEN;
654                         }
655 skip_tpa_stats:
656                         num_str = ARRAY_SIZE(bnxt_ring_sw_stats_str);
657                         for (j = 0; j < num_str; j++) {
658                                 sprintf(buf, "[%d]: %s", i,
659                                         bnxt_ring_sw_stats_str[j]);
660                                 buf += ETH_GSTRING_LEN;
661                         }
662                 }
663                 for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
664                         strcpy(buf, bnxt_sw_func_stats[i].string);
665                         buf += ETH_GSTRING_LEN;
666                 }
667
668                 if (bp->flags & BNXT_FLAG_PORT_STATS) {
669                         for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
670                                 strcpy(buf, bnxt_port_stats_arr[i].string);
671                                 buf += ETH_GSTRING_LEN;
672                         }
673                 }
674                 if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
675                         for (i = 0; i < bp->fw_rx_stats_ext_size; i++) {
676                                 strcpy(buf, bnxt_port_stats_ext_arr[i].string);
677                                 buf += ETH_GSTRING_LEN;
678                         }
679                         for (i = 0; i < bp->fw_tx_stats_ext_size; i++) {
680                                 strcpy(buf,
681                                        bnxt_tx_port_stats_ext_arr[i].string);
682                                 buf += ETH_GSTRING_LEN;
683                         }
684                         if (bp->pri2cos_valid) {
685                                 for (i = 0; i < 8; i++) {
686                                         strcpy(buf,
687                                                bnxt_rx_bytes_pri_arr[i].string);
688                                         buf += ETH_GSTRING_LEN;
689                                 }
690                                 for (i = 0; i < 8; i++) {
691                                         strcpy(buf,
692                                                bnxt_rx_pkts_pri_arr[i].string);
693                                         buf += ETH_GSTRING_LEN;
694                                 }
695                                 for (i = 0; i < 8; i++) {
696                                         strcpy(buf,
697                                                bnxt_tx_bytes_pri_arr[i].string);
698                                         buf += ETH_GSTRING_LEN;
699                                 }
700                                 for (i = 0; i < 8; i++) {
701                                         strcpy(buf,
702                                                bnxt_tx_pkts_pri_arr[i].string);
703                                         buf += ETH_GSTRING_LEN;
704                                 }
705                         }
706                 }
707                 if (bp->flags & BNXT_FLAG_PCIE_STATS) {
708                         for (i = 0; i < BNXT_NUM_PCIE_STATS; i++) {
709                                 strcpy(buf, bnxt_pcie_stats_arr[i].string);
710                                 buf += ETH_GSTRING_LEN;
711                         }
712                 }
713                 break;
714         case ETH_SS_TEST:
715                 if (bp->num_tests)
716                         memcpy(buf, bp->test_info->string,
717                                bp->num_tests * ETH_GSTRING_LEN);
718                 break;
719         default:
720                 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
721                            stringset);
722                 break;
723         }
724 }
725
726 static void bnxt_get_ringparam(struct net_device *dev,
727                                struct ethtool_ringparam *ering)
728 {
729         struct bnxt *bp = netdev_priv(dev);
730
731         ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
732         ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
733         ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
734
735         ering->rx_pending = bp->rx_ring_size;
736         ering->rx_jumbo_pending = bp->rx_agg_ring_size;
737         ering->tx_pending = bp->tx_ring_size;
738 }
739
740 static int bnxt_set_ringparam(struct net_device *dev,
741                               struct ethtool_ringparam *ering)
742 {
743         struct bnxt *bp = netdev_priv(dev);
744
745         if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
746             (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
747             (ering->tx_pending <= MAX_SKB_FRAGS))
748                 return -EINVAL;
749
750         if (netif_running(dev))
751                 bnxt_close_nic(bp, false, false);
752
753         bp->rx_ring_size = ering->rx_pending;
754         bp->tx_ring_size = ering->tx_pending;
755         bnxt_set_ring_params(bp);
756
757         if (netif_running(dev))
758                 return bnxt_open_nic(bp, false, false);
759
760         return 0;
761 }
762
763 static void bnxt_get_channels(struct net_device *dev,
764                               struct ethtool_channels *channel)
765 {
766         struct bnxt *bp = netdev_priv(dev);
767         struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
768         int max_rx_rings, max_tx_rings, tcs;
769         int max_tx_sch_inputs;
770
771         /* Get the most up-to-date max_tx_sch_inputs. */
772         if (BNXT_NEW_RM(bp))
773                 bnxt_hwrm_func_resc_qcaps(bp, false);
774         max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
775
776         bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
777         if (max_tx_sch_inputs)
778                 max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
779         channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
780
781         if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
782                 max_rx_rings = 0;
783                 max_tx_rings = 0;
784         }
785         if (max_tx_sch_inputs)
786                 max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
787
788         tcs = netdev_get_num_tc(dev);
789         if (tcs > 1)
790                 max_tx_rings /= tcs;
791
792         channel->max_rx = max_rx_rings;
793         channel->max_tx = max_tx_rings;
794         channel->max_other = 0;
795         if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
796                 channel->combined_count = bp->rx_nr_rings;
797                 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
798                         channel->combined_count--;
799         } else {
800                 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
801                         channel->rx_count = bp->rx_nr_rings;
802                         channel->tx_count = bp->tx_nr_rings_per_tc;
803                 }
804         }
805 }
806
807 static int bnxt_set_channels(struct net_device *dev,
808                              struct ethtool_channels *channel)
809 {
810         struct bnxt *bp = netdev_priv(dev);
811         int req_tx_rings, req_rx_rings, tcs;
812         bool sh = false;
813         int tx_xdp = 0;
814         int rc = 0;
815
816         if (channel->other_count)
817                 return -EINVAL;
818
819         if (!channel->combined_count &&
820             (!channel->rx_count || !channel->tx_count))
821                 return -EINVAL;
822
823         if (channel->combined_count &&
824             (channel->rx_count || channel->tx_count))
825                 return -EINVAL;
826
827         if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
828                                             channel->tx_count))
829                 return -EINVAL;
830
831         if (channel->combined_count)
832                 sh = true;
833
834         tcs = netdev_get_num_tc(dev);
835
836         req_tx_rings = sh ? channel->combined_count : channel->tx_count;
837         req_rx_rings = sh ? channel->combined_count : channel->rx_count;
838         if (bp->tx_nr_rings_xdp) {
839                 if (!sh) {
840                         netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
841                         return -EINVAL;
842                 }
843                 tx_xdp = req_rx_rings;
844         }
845         rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
846         if (rc) {
847                 netdev_warn(dev, "Unable to allocate the requested rings\n");
848                 return rc;
849         }
850
851         if (netif_running(dev)) {
852                 if (BNXT_PF(bp)) {
853                         /* TODO CHIMP_FW: Send message to all VF's
854                          * before PF unload
855                          */
856                 }
857                 rc = bnxt_close_nic(bp, true, false);
858                 if (rc) {
859                         netdev_err(bp->dev, "Set channel failure rc :%x\n",
860                                    rc);
861                         return rc;
862                 }
863         }
864
865         if (sh) {
866                 bp->flags |= BNXT_FLAG_SHARED_RINGS;
867                 bp->rx_nr_rings = channel->combined_count;
868                 bp->tx_nr_rings_per_tc = channel->combined_count;
869         } else {
870                 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
871                 bp->rx_nr_rings = channel->rx_count;
872                 bp->tx_nr_rings_per_tc = channel->tx_count;
873         }
874         bp->tx_nr_rings_xdp = tx_xdp;
875         bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
876         if (tcs > 1)
877                 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
878
879         bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
880                                bp->tx_nr_rings + bp->rx_nr_rings;
881
882         /* After changing number of rx channels, update NTUPLE feature. */
883         netdev_update_features(dev);
884         if (netif_running(dev)) {
885                 rc = bnxt_open_nic(bp, true, false);
886                 if ((!rc) && BNXT_PF(bp)) {
887                         /* TODO CHIMP_FW: Send message to all VF's
888                          * to renable
889                          */
890                 }
891         } else {
892                 rc = bnxt_reserve_rings(bp, true);
893         }
894
895         return rc;
896 }
897
898 #ifdef CONFIG_RFS_ACCEL
899 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
900                             u32 *rule_locs)
901 {
902         int i, j = 0;
903
904         cmd->data = bp->ntp_fltr_count;
905         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
906                 struct hlist_head *head;
907                 struct bnxt_ntuple_filter *fltr;
908
909                 head = &bp->ntp_fltr_hash_tbl[i];
910                 rcu_read_lock();
911                 hlist_for_each_entry_rcu(fltr, head, hash) {
912                         if (j == cmd->rule_cnt)
913                                 break;
914                         rule_locs[j++] = fltr->sw_id;
915                 }
916                 rcu_read_unlock();
917                 if (j == cmd->rule_cnt)
918                         break;
919         }
920         cmd->rule_cnt = j;
921         return 0;
922 }
923
924 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
925 {
926         struct ethtool_rx_flow_spec *fs =
927                 (struct ethtool_rx_flow_spec *)&cmd->fs;
928         struct bnxt_ntuple_filter *fltr;
929         struct flow_keys *fkeys;
930         int i, rc = -EINVAL;
931
932         if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
933                 return rc;
934
935         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
936                 struct hlist_head *head;
937
938                 head = &bp->ntp_fltr_hash_tbl[i];
939                 rcu_read_lock();
940                 hlist_for_each_entry_rcu(fltr, head, hash) {
941                         if (fltr->sw_id == fs->location)
942                                 goto fltr_found;
943                 }
944                 rcu_read_unlock();
945         }
946         return rc;
947
948 fltr_found:
949         fkeys = &fltr->fkeys;
950         if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
951                 if (fkeys->basic.ip_proto == IPPROTO_TCP)
952                         fs->flow_type = TCP_V4_FLOW;
953                 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
954                         fs->flow_type = UDP_V4_FLOW;
955                 else
956                         goto fltr_err;
957
958                 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
959                 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
960
961                 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
962                 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
963
964                 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
965                 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
966
967                 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
968                 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
969         } else {
970                 int i;
971
972                 if (fkeys->basic.ip_proto == IPPROTO_TCP)
973                         fs->flow_type = TCP_V6_FLOW;
974                 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
975                         fs->flow_type = UDP_V6_FLOW;
976                 else
977                         goto fltr_err;
978
979                 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
980                         fkeys->addrs.v6addrs.src;
981                 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
982                         fkeys->addrs.v6addrs.dst;
983                 for (i = 0; i < 4; i++) {
984                         fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
985                         fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
986                 }
987                 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
988                 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
989
990                 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
991                 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
992         }
993
994         fs->ring_cookie = fltr->rxq;
995         rc = 0;
996
997 fltr_err:
998         rcu_read_unlock();
999
1000         return rc;
1001 }
1002 #endif
1003
1004 static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
1005 {
1006         if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
1007                 return RXH_IP_SRC | RXH_IP_DST;
1008         return 0;
1009 }
1010
1011 static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
1012 {
1013         if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
1014                 return RXH_IP_SRC | RXH_IP_DST;
1015         return 0;
1016 }
1017
1018 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
1019 {
1020         cmd->data = 0;
1021         switch (cmd->flow_type) {
1022         case TCP_V4_FLOW:
1023                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
1024                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1025                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1026                 cmd->data |= get_ethtool_ipv4_rss(bp);
1027                 break;
1028         case UDP_V4_FLOW:
1029                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
1030                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1031                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1032                 /* fall through */
1033         case SCTP_V4_FLOW:
1034         case AH_ESP_V4_FLOW:
1035         case AH_V4_FLOW:
1036         case ESP_V4_FLOW:
1037         case IPV4_FLOW:
1038                 cmd->data |= get_ethtool_ipv4_rss(bp);
1039                 break;
1040
1041         case TCP_V6_FLOW:
1042                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
1043                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1044                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1045                 cmd->data |= get_ethtool_ipv6_rss(bp);
1046                 break;
1047         case UDP_V6_FLOW:
1048                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
1049                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1050                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1051                 /* fall through */
1052         case SCTP_V6_FLOW:
1053         case AH_ESP_V6_FLOW:
1054         case AH_V6_FLOW:
1055         case ESP_V6_FLOW:
1056         case IPV6_FLOW:
1057                 cmd->data |= get_ethtool_ipv6_rss(bp);
1058                 break;
1059         }
1060         return 0;
1061 }
1062
1063 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
1064 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
1065
1066 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
1067 {
1068         u32 rss_hash_cfg = bp->rss_hash_cfg;
1069         int tuple, rc = 0;
1070
1071         if (cmd->data == RXH_4TUPLE)
1072                 tuple = 4;
1073         else if (cmd->data == RXH_2TUPLE)
1074                 tuple = 2;
1075         else if (!cmd->data)
1076                 tuple = 0;
1077         else
1078                 return -EINVAL;
1079
1080         if (cmd->flow_type == TCP_V4_FLOW) {
1081                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
1082                 if (tuple == 4)
1083                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
1084         } else if (cmd->flow_type == UDP_V4_FLOW) {
1085                 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
1086                         return -EINVAL;
1087                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
1088                 if (tuple == 4)
1089                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
1090         } else if (cmd->flow_type == TCP_V6_FLOW) {
1091                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
1092                 if (tuple == 4)
1093                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
1094         } else if (cmd->flow_type == UDP_V6_FLOW) {
1095                 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
1096                         return -EINVAL;
1097                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
1098                 if (tuple == 4)
1099                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
1100         } else if (tuple == 4) {
1101                 return -EINVAL;
1102         }
1103
1104         switch (cmd->flow_type) {
1105         case TCP_V4_FLOW:
1106         case UDP_V4_FLOW:
1107         case SCTP_V4_FLOW:
1108         case AH_ESP_V4_FLOW:
1109         case AH_V4_FLOW:
1110         case ESP_V4_FLOW:
1111         case IPV4_FLOW:
1112                 if (tuple == 2)
1113                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
1114                 else if (!tuple)
1115                         rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
1116                 break;
1117
1118         case TCP_V6_FLOW:
1119         case UDP_V6_FLOW:
1120         case SCTP_V6_FLOW:
1121         case AH_ESP_V6_FLOW:
1122         case AH_V6_FLOW:
1123         case ESP_V6_FLOW:
1124         case IPV6_FLOW:
1125                 if (tuple == 2)
1126                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
1127                 else if (!tuple)
1128                         rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
1129                 break;
1130         }
1131
1132         if (bp->rss_hash_cfg == rss_hash_cfg)
1133                 return 0;
1134
1135         bp->rss_hash_cfg = rss_hash_cfg;
1136         if (netif_running(bp->dev)) {
1137                 bnxt_close_nic(bp, false, false);
1138                 rc = bnxt_open_nic(bp, false, false);
1139         }
1140         return rc;
1141 }
1142
1143 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1144                           u32 *rule_locs)
1145 {
1146         struct bnxt *bp = netdev_priv(dev);
1147         int rc = 0;
1148
1149         switch (cmd->cmd) {
1150 #ifdef CONFIG_RFS_ACCEL
1151         case ETHTOOL_GRXRINGS:
1152                 cmd->data = bp->rx_nr_rings;
1153                 break;
1154
1155         case ETHTOOL_GRXCLSRLCNT:
1156                 cmd->rule_cnt = bp->ntp_fltr_count;
1157                 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
1158                 break;
1159
1160         case ETHTOOL_GRXCLSRLALL:
1161                 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
1162                 break;
1163
1164         case ETHTOOL_GRXCLSRULE:
1165                 rc = bnxt_grxclsrule(bp, cmd);
1166                 break;
1167 #endif
1168
1169         case ETHTOOL_GRXFH:
1170                 rc = bnxt_grxfh(bp, cmd);
1171                 break;
1172
1173         default:
1174                 rc = -EOPNOTSUPP;
1175                 break;
1176         }
1177
1178         return rc;
1179 }
1180
1181 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1182 {
1183         struct bnxt *bp = netdev_priv(dev);
1184         int rc;
1185
1186         switch (cmd->cmd) {
1187         case ETHTOOL_SRXFH:
1188                 rc = bnxt_srxfh(bp, cmd);
1189                 break;
1190
1191         default:
1192                 rc = -EOPNOTSUPP;
1193                 break;
1194         }
1195         return rc;
1196 }
1197
1198 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
1199 {
1200         return HW_HASH_INDEX_SIZE;
1201 }
1202
1203 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
1204 {
1205         return HW_HASH_KEY_SIZE;
1206 }
1207
1208 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
1209                          u8 *hfunc)
1210 {
1211         struct bnxt *bp = netdev_priv(dev);
1212         struct bnxt_vnic_info *vnic;
1213         int i = 0;
1214
1215         if (hfunc)
1216                 *hfunc = ETH_RSS_HASH_TOP;
1217
1218         if (!bp->vnic_info)
1219                 return 0;
1220
1221         vnic = &bp->vnic_info[0];
1222         if (indir && vnic->rss_table) {
1223                 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
1224                         indir[i] = le16_to_cpu(vnic->rss_table[i]);
1225         }
1226
1227         if (key && vnic->rss_hash_key)
1228                 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
1229
1230         return 0;
1231 }
1232
1233 static void bnxt_get_drvinfo(struct net_device *dev,
1234                              struct ethtool_drvinfo *info)
1235 {
1236         struct bnxt *bp = netdev_priv(dev);
1237
1238         strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1239         strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
1240         strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
1241         strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1242         info->n_stats = bnxt_get_num_stats(bp);
1243         info->testinfo_len = bp->num_tests;
1244         /* TODO CHIMP_FW: eeprom dump details */
1245         info->eedump_len = 0;
1246         /* TODO CHIMP FW: reg dump details */
1247         info->regdump_len = 0;
1248 }
1249
1250 static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1251 {
1252         struct bnxt *bp = netdev_priv(dev);
1253
1254         wol->supported = 0;
1255         wol->wolopts = 0;
1256         memset(&wol->sopass, 0, sizeof(wol->sopass));
1257         if (bp->flags & BNXT_FLAG_WOL_CAP) {
1258                 wol->supported = WAKE_MAGIC;
1259                 if (bp->wol)
1260                         wol->wolopts = WAKE_MAGIC;
1261         }
1262 }
1263
1264 static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1265 {
1266         struct bnxt *bp = netdev_priv(dev);
1267
1268         if (wol->wolopts & ~WAKE_MAGIC)
1269                 return -EINVAL;
1270
1271         if (wol->wolopts & WAKE_MAGIC) {
1272                 if (!(bp->flags & BNXT_FLAG_WOL_CAP))
1273                         return -EINVAL;
1274                 if (!bp->wol) {
1275                         if (bnxt_hwrm_alloc_wol_fltr(bp))
1276                                 return -EBUSY;
1277                         bp->wol = 1;
1278                 }
1279         } else {
1280                 if (bp->wol) {
1281                         if (bnxt_hwrm_free_wol_fltr(bp))
1282                                 return -EBUSY;
1283                         bp->wol = 0;
1284                 }
1285         }
1286         return 0;
1287 }
1288
1289 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
1290 {
1291         u32 speed_mask = 0;
1292
1293         /* TODO: support 25GB, 40GB, 50GB with different cable type */
1294         /* set the advertised speeds */
1295         if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
1296                 speed_mask |= ADVERTISED_100baseT_Full;
1297         if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
1298                 speed_mask |= ADVERTISED_1000baseT_Full;
1299         if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
1300                 speed_mask |= ADVERTISED_2500baseX_Full;
1301         if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
1302                 speed_mask |= ADVERTISED_10000baseT_Full;
1303         if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
1304                 speed_mask |= ADVERTISED_40000baseCR4_Full;
1305
1306         if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
1307                 speed_mask |= ADVERTISED_Pause;
1308         else if (fw_pause & BNXT_LINK_PAUSE_TX)
1309                 speed_mask |= ADVERTISED_Asym_Pause;
1310         else if (fw_pause & BNXT_LINK_PAUSE_RX)
1311                 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
1312
1313         return speed_mask;
1314 }
1315
1316 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
1317 {                                                                       \
1318         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB)                    \
1319                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1320                                                      100baseT_Full);    \
1321         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB)                      \
1322                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1323                                                      1000baseT_Full);   \
1324         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB)                     \
1325                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1326                                                      10000baseT_Full);  \
1327         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB)                     \
1328                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1329                                                      25000baseCR_Full); \
1330         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB)                     \
1331                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1332                                                      40000baseCR4_Full);\
1333         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB)                     \
1334                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1335                                                      50000baseCR2_Full);\
1336         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB)                    \
1337                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1338                                                      100000baseCR4_Full);\
1339         if ((fw_pause) & BNXT_LINK_PAUSE_RX) {                          \
1340                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1341                                                      Pause);            \
1342                 if (!((fw_pause) & BNXT_LINK_PAUSE_TX))                 \
1343                         ethtool_link_ksettings_add_link_mode(           \
1344                                         lk_ksettings, name, Asym_Pause);\
1345         } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) {                   \
1346                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1347                                                      Asym_Pause);       \
1348         }                                                               \
1349 }
1350
1351 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name)          \
1352 {                                                                       \
1353         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1354                                                   100baseT_Full) ||     \
1355             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1356                                                   100baseT_Half))       \
1357                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB;               \
1358         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1359                                                   1000baseT_Full) ||    \
1360             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1361                                                   1000baseT_Half))      \
1362                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB;                 \
1363         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1364                                                   10000baseT_Full))     \
1365                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB;                \
1366         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1367                                                   25000baseCR_Full))    \
1368                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB;                \
1369         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1370                                                   40000baseCR4_Full))   \
1371                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB;                \
1372         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1373                                                   50000baseCR2_Full))   \
1374                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB;                \
1375         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1376                                                   100000baseCR4_Full))  \
1377                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB;               \
1378 }
1379
1380 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
1381                                 struct ethtool_link_ksettings *lk_ksettings)
1382 {
1383         u16 fw_speeds = link_info->advertising;
1384         u8 fw_pause = 0;
1385
1386         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1387                 fw_pause = link_info->auto_pause_setting;
1388
1389         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
1390 }
1391
1392 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
1393                                 struct ethtool_link_ksettings *lk_ksettings)
1394 {
1395         u16 fw_speeds = link_info->lp_auto_link_speeds;
1396         u8 fw_pause = 0;
1397
1398         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1399                 fw_pause = link_info->lp_pause;
1400
1401         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
1402                                 lp_advertising);
1403 }
1404
1405 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
1406                                 struct ethtool_link_ksettings *lk_ksettings)
1407 {
1408         u16 fw_speeds = link_info->support_speeds;
1409
1410         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
1411
1412         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
1413         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1414                                              Asym_Pause);
1415
1416         if (link_info->support_auto_speeds)
1417                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1418                                                      Autoneg);
1419 }
1420
1421 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
1422 {
1423         switch (fw_link_speed) {
1424         case BNXT_LINK_SPEED_100MB:
1425                 return SPEED_100;
1426         case BNXT_LINK_SPEED_1GB:
1427                 return SPEED_1000;
1428         case BNXT_LINK_SPEED_2_5GB:
1429                 return SPEED_2500;
1430         case BNXT_LINK_SPEED_10GB:
1431                 return SPEED_10000;
1432         case BNXT_LINK_SPEED_20GB:
1433                 return SPEED_20000;
1434         case BNXT_LINK_SPEED_25GB:
1435                 return SPEED_25000;
1436         case BNXT_LINK_SPEED_40GB:
1437                 return SPEED_40000;
1438         case BNXT_LINK_SPEED_50GB:
1439                 return SPEED_50000;
1440         case BNXT_LINK_SPEED_100GB:
1441                 return SPEED_100000;
1442         default:
1443                 return SPEED_UNKNOWN;
1444         }
1445 }
1446
1447 static int bnxt_get_link_ksettings(struct net_device *dev,
1448                                    struct ethtool_link_ksettings *lk_ksettings)
1449 {
1450         struct bnxt *bp = netdev_priv(dev);
1451         struct bnxt_link_info *link_info = &bp->link_info;
1452         struct ethtool_link_settings *base = &lk_ksettings->base;
1453         u32 ethtool_speed;
1454
1455         ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1456         mutex_lock(&bp->link_lock);
1457         bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
1458
1459         ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
1460         if (link_info->autoneg) {
1461                 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
1462                 ethtool_link_ksettings_add_link_mode(lk_ksettings,
1463                                                      advertising, Autoneg);
1464                 base->autoneg = AUTONEG_ENABLE;
1465                 base->duplex = DUPLEX_UNKNOWN;
1466                 if (link_info->phy_link_status == BNXT_LINK_LINK) {
1467                         bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
1468                         if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
1469                                 base->duplex = DUPLEX_FULL;
1470                         else
1471                                 base->duplex = DUPLEX_HALF;
1472                 }
1473                 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1474         } else {
1475                 base->autoneg = AUTONEG_DISABLE;
1476                 ethtool_speed =
1477                         bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
1478                 base->duplex = DUPLEX_HALF;
1479                 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
1480                         base->duplex = DUPLEX_FULL;
1481         }
1482         base->speed = ethtool_speed;
1483
1484         base->port = PORT_NONE;
1485         if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1486                 base->port = PORT_TP;
1487                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1488                                                      TP);
1489                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1490                                                      TP);
1491         } else {
1492                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1493                                                      FIBRE);
1494                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1495                                                      FIBRE);
1496
1497                 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
1498                         base->port = PORT_DA;
1499                 else if (link_info->media_type ==
1500                          PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
1501                         base->port = PORT_FIBRE;
1502         }
1503         base->phy_address = link_info->phy_addr;
1504         mutex_unlock(&bp->link_lock);
1505
1506         return 0;
1507 }
1508
1509 static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
1510 {
1511         struct bnxt *bp = netdev_priv(dev);
1512         struct bnxt_link_info *link_info = &bp->link_info;
1513         u16 support_spds = link_info->support_speeds;
1514         u32 fw_speed = 0;
1515
1516         switch (ethtool_speed) {
1517         case SPEED_100:
1518                 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1519                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
1520                 break;
1521         case SPEED_1000:
1522                 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1523                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
1524                 break;
1525         case SPEED_2500:
1526                 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1527                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
1528                 break;
1529         case SPEED_10000:
1530                 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1531                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
1532                 break;
1533         case SPEED_20000:
1534                 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1535                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
1536                 break;
1537         case SPEED_25000:
1538                 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1539                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
1540                 break;
1541         case SPEED_40000:
1542                 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1543                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
1544                 break;
1545         case SPEED_50000:
1546                 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
1547                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
1548                 break;
1549         case SPEED_100000:
1550                 if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
1551                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
1552                 break;
1553         default:
1554                 netdev_err(dev, "unsupported speed!\n");
1555                 break;
1556         }
1557         return fw_speed;
1558 }
1559
1560 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
1561 {
1562         u16 fw_speed_mask = 0;
1563
1564         /* only support autoneg at speed 100, 1000, and 10000 */
1565         if (advertising & (ADVERTISED_100baseT_Full |
1566                            ADVERTISED_100baseT_Half)) {
1567                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1568         }
1569         if (advertising & (ADVERTISED_1000baseT_Full |
1570                            ADVERTISED_1000baseT_Half)) {
1571                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1572         }
1573         if (advertising & ADVERTISED_10000baseT_Full)
1574                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1575
1576         if (advertising & ADVERTISED_40000baseCR4_Full)
1577                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1578
1579         return fw_speed_mask;
1580 }
1581
1582 static int bnxt_set_link_ksettings(struct net_device *dev,
1583                            const struct ethtool_link_ksettings *lk_ksettings)
1584 {
1585         struct bnxt *bp = netdev_priv(dev);
1586         struct bnxt_link_info *link_info = &bp->link_info;
1587         const struct ethtool_link_settings *base = &lk_ksettings->base;
1588         bool set_pause = false;
1589         u16 fw_advertising = 0;
1590         u32 speed;
1591         int rc = 0;
1592
1593         if (!BNXT_PHY_CFG_ABLE(bp))
1594                 return -EOPNOTSUPP;
1595
1596         mutex_lock(&bp->link_lock);
1597         if (base->autoneg == AUTONEG_ENABLE) {
1598                 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
1599                                         advertising);
1600                 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1601                 if (!fw_advertising)
1602                         link_info->advertising = link_info->support_auto_speeds;
1603                 else
1604                         link_info->advertising = fw_advertising;
1605                 /* any change to autoneg will cause link change, therefore the
1606                  * driver should put back the original pause setting in autoneg
1607                  */
1608                 set_pause = true;
1609         } else {
1610                 u16 fw_speed;
1611                 u8 phy_type = link_info->phy_type;
1612
1613                 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET  ||
1614                     phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1615                     link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1616                         netdev_err(dev, "10GBase-T devices must autoneg\n");
1617                         rc = -EINVAL;
1618                         goto set_setting_exit;
1619                 }
1620                 if (base->duplex == DUPLEX_HALF) {
1621                         netdev_err(dev, "HALF DUPLEX is not supported!\n");
1622                         rc = -EINVAL;
1623                         goto set_setting_exit;
1624                 }
1625                 speed = base->speed;
1626                 fw_speed = bnxt_get_fw_speed(dev, speed);
1627                 if (!fw_speed) {
1628                         rc = -EINVAL;
1629                         goto set_setting_exit;
1630                 }
1631                 link_info->req_link_speed = fw_speed;
1632                 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
1633                 link_info->autoneg = 0;
1634                 link_info->advertising = 0;
1635         }
1636
1637         if (netif_running(dev))
1638                 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
1639
1640 set_setting_exit:
1641         mutex_unlock(&bp->link_lock);
1642         return rc;
1643 }
1644
1645 static void bnxt_get_pauseparam(struct net_device *dev,
1646                                 struct ethtool_pauseparam *epause)
1647 {
1648         struct bnxt *bp = netdev_priv(dev);
1649         struct bnxt_link_info *link_info = &bp->link_info;
1650
1651         if (BNXT_VF(bp))
1652                 return;
1653         epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
1654         epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
1655         epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
1656 }
1657
1658 static int bnxt_set_pauseparam(struct net_device *dev,
1659                                struct ethtool_pauseparam *epause)
1660 {
1661         int rc = 0;
1662         struct bnxt *bp = netdev_priv(dev);
1663         struct bnxt_link_info *link_info = &bp->link_info;
1664
1665         if (!BNXT_PHY_CFG_ABLE(bp))
1666                 return -EOPNOTSUPP;
1667
1668         if (epause->autoneg) {
1669                 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
1670                         return -EINVAL;
1671
1672                 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
1673                 if (bp->hwrm_spec_code >= 0x10201)
1674                         link_info->req_flow_ctrl =
1675                                 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
1676         } else {
1677                 /* when transition from auto pause to force pause,
1678                  * force a link change
1679                  */
1680                 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1681                         link_info->force_link_chng = true;
1682                 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
1683                 link_info->req_flow_ctrl = 0;
1684         }
1685         if (epause->rx_pause)
1686                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
1687
1688         if (epause->tx_pause)
1689                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
1690
1691         if (netif_running(dev))
1692                 rc = bnxt_hwrm_set_pause(bp);
1693         return rc;
1694 }
1695
1696 static u32 bnxt_get_link(struct net_device *dev)
1697 {
1698         struct bnxt *bp = netdev_priv(dev);
1699
1700         /* TODO: handle MF, VF, driver close case */
1701         return bp->link_info.link_up;
1702 }
1703
1704 static void bnxt_print_admin_err(struct bnxt *bp)
1705 {
1706         netdev_info(bp->dev, "PF does not have admin privileges to flash or reset the device\n");
1707 }
1708
1709 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1710                                 u16 ext, u16 *index, u32 *item_length,
1711                                 u32 *data_length);
1712
1713 static int bnxt_flash_nvram(struct net_device *dev,
1714                             u16 dir_type,
1715                             u16 dir_ordinal,
1716                             u16 dir_ext,
1717                             u16 dir_attr,
1718                             const u8 *data,
1719                             size_t data_len)
1720 {
1721         struct bnxt *bp = netdev_priv(dev);
1722         int rc;
1723         struct hwrm_nvm_write_input req = {0};
1724         dma_addr_t dma_handle;
1725         u8 *kmem;
1726
1727         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1728
1729         req.dir_type = cpu_to_le16(dir_type);
1730         req.dir_ordinal = cpu_to_le16(dir_ordinal);
1731         req.dir_ext = cpu_to_le16(dir_ext);
1732         req.dir_attr = cpu_to_le16(dir_attr);
1733         req.dir_data_length = cpu_to_le32(data_len);
1734
1735         kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1736                                   GFP_KERNEL);
1737         if (!kmem) {
1738                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1739                            (unsigned)data_len);
1740                 return -ENOMEM;
1741         }
1742         memcpy(kmem, data, data_len);
1743         req.host_src_addr = cpu_to_le64(dma_handle);
1744
1745         rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1746         dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1747
1748         if (rc == -EACCES)
1749                 bnxt_print_admin_err(bp);
1750         return rc;
1751 }
1752
1753 static int bnxt_firmware_reset(struct net_device *dev,
1754                                u16 dir_type)
1755 {
1756         struct hwrm_fw_reset_input req = {0};
1757         struct bnxt *bp = netdev_priv(dev);
1758         int rc;
1759
1760         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1761
1762         /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1763         /*       (e.g. when firmware isn't already running) */
1764         switch (dir_type) {
1765         case BNX_DIR_TYPE_CHIMP_PATCH:
1766         case BNX_DIR_TYPE_BOOTCODE:
1767         case BNX_DIR_TYPE_BOOTCODE_2:
1768                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1769                 /* Self-reset ChiMP upon next PCIe reset: */
1770                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1771                 break;
1772         case BNX_DIR_TYPE_APE_FW:
1773         case BNX_DIR_TYPE_APE_PATCH:
1774                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1775                 /* Self-reset APE upon next PCIe reset: */
1776                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1777                 break;
1778         case BNX_DIR_TYPE_KONG_FW:
1779         case BNX_DIR_TYPE_KONG_PATCH:
1780                 req.embedded_proc_type =
1781                         FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1782                 break;
1783         case BNX_DIR_TYPE_BONO_FW:
1784         case BNX_DIR_TYPE_BONO_PATCH:
1785                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1786                 break;
1787         case BNXT_FW_RESET_CHIP:
1788                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP;
1789                 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP;
1790                 if (bp->fw_cap & BNXT_FW_CAP_HOT_RESET)
1791                         req.flags = FW_RESET_REQ_FLAGS_RESET_GRACEFUL;
1792                 break;
1793         case BNXT_FW_RESET_AP:
1794                 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP;
1795                 break;
1796         default:
1797                 return -EINVAL;
1798         }
1799
1800         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1801         if (rc == -EACCES)
1802                 bnxt_print_admin_err(bp);
1803         return rc;
1804 }
1805
1806 static int bnxt_flash_firmware(struct net_device *dev,
1807                                u16 dir_type,
1808                                const u8 *fw_data,
1809                                size_t fw_size)
1810 {
1811         int     rc = 0;
1812         u16     code_type;
1813         u32     stored_crc;
1814         u32     calculated_crc;
1815         struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1816
1817         switch (dir_type) {
1818         case BNX_DIR_TYPE_BOOTCODE:
1819         case BNX_DIR_TYPE_BOOTCODE_2:
1820                 code_type = CODE_BOOT;
1821                 break;
1822         case BNX_DIR_TYPE_CHIMP_PATCH:
1823                 code_type = CODE_CHIMP_PATCH;
1824                 break;
1825         case BNX_DIR_TYPE_APE_FW:
1826                 code_type = CODE_MCTP_PASSTHRU;
1827                 break;
1828         case BNX_DIR_TYPE_APE_PATCH:
1829                 code_type = CODE_APE_PATCH;
1830                 break;
1831         case BNX_DIR_TYPE_KONG_FW:
1832                 code_type = CODE_KONG_FW;
1833                 break;
1834         case BNX_DIR_TYPE_KONG_PATCH:
1835                 code_type = CODE_KONG_PATCH;
1836                 break;
1837         case BNX_DIR_TYPE_BONO_FW:
1838                 code_type = CODE_BONO_FW;
1839                 break;
1840         case BNX_DIR_TYPE_BONO_PATCH:
1841                 code_type = CODE_BONO_PATCH;
1842                 break;
1843         default:
1844                 netdev_err(dev, "Unsupported directory entry type: %u\n",
1845                            dir_type);
1846                 return -EINVAL;
1847         }
1848         if (fw_size < sizeof(struct bnxt_fw_header)) {
1849                 netdev_err(dev, "Invalid firmware file size: %u\n",
1850                            (unsigned int)fw_size);
1851                 return -EINVAL;
1852         }
1853         if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1854                 netdev_err(dev, "Invalid firmware signature: %08X\n",
1855                            le32_to_cpu(header->signature));
1856                 return -EINVAL;
1857         }
1858         if (header->code_type != code_type) {
1859                 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1860                            code_type, header->code_type);
1861                 return -EINVAL;
1862         }
1863         if (header->device != DEVICE_CUMULUS_FAMILY) {
1864                 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1865                            DEVICE_CUMULUS_FAMILY, header->device);
1866                 return -EINVAL;
1867         }
1868         /* Confirm the CRC32 checksum of the file: */
1869         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1870                                              sizeof(stored_crc)));
1871         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1872         if (calculated_crc != stored_crc) {
1873                 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1874                            (unsigned long)stored_crc,
1875                            (unsigned long)calculated_crc);
1876                 return -EINVAL;
1877         }
1878         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1879                               0, 0, fw_data, fw_size);
1880         if (rc == 0)    /* Firmware update successful */
1881                 rc = bnxt_firmware_reset(dev, dir_type);
1882
1883         return rc;
1884 }
1885
1886 static int bnxt_flash_microcode(struct net_device *dev,
1887                                 u16 dir_type,
1888                                 const u8 *fw_data,
1889                                 size_t fw_size)
1890 {
1891         struct bnxt_ucode_trailer *trailer;
1892         u32 calculated_crc;
1893         u32 stored_crc;
1894         int rc = 0;
1895
1896         if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
1897                 netdev_err(dev, "Invalid microcode file size: %u\n",
1898                            (unsigned int)fw_size);
1899                 return -EINVAL;
1900         }
1901         trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
1902                                                 sizeof(*trailer)));
1903         if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
1904                 netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
1905                            le32_to_cpu(trailer->sig));
1906                 return -EINVAL;
1907         }
1908         if (le16_to_cpu(trailer->dir_type) != dir_type) {
1909                 netdev_err(dev, "Expected microcode type: %d, read: %d\n",
1910                            dir_type, le16_to_cpu(trailer->dir_type));
1911                 return -EINVAL;
1912         }
1913         if (le16_to_cpu(trailer->trailer_length) <
1914                 sizeof(struct bnxt_ucode_trailer)) {
1915                 netdev_err(dev, "Invalid microcode trailer length: %d\n",
1916                            le16_to_cpu(trailer->trailer_length));
1917                 return -EINVAL;
1918         }
1919
1920         /* Confirm the CRC32 checksum of the file: */
1921         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1922                                              sizeof(stored_crc)));
1923         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1924         if (calculated_crc != stored_crc) {
1925                 netdev_err(dev,
1926                            "CRC32 (%08lX) does not match calculated: %08lX\n",
1927                            (unsigned long)stored_crc,
1928                            (unsigned long)calculated_crc);
1929                 return -EINVAL;
1930         }
1931         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1932                               0, 0, fw_data, fw_size);
1933
1934         return rc;
1935 }
1936
1937 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1938 {
1939         switch (dir_type) {
1940         case BNX_DIR_TYPE_CHIMP_PATCH:
1941         case BNX_DIR_TYPE_BOOTCODE:
1942         case BNX_DIR_TYPE_BOOTCODE_2:
1943         case BNX_DIR_TYPE_APE_FW:
1944         case BNX_DIR_TYPE_APE_PATCH:
1945         case BNX_DIR_TYPE_KONG_FW:
1946         case BNX_DIR_TYPE_KONG_PATCH:
1947         case BNX_DIR_TYPE_BONO_FW:
1948         case BNX_DIR_TYPE_BONO_PATCH:
1949                 return true;
1950         }
1951
1952         return false;
1953 }
1954
1955 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
1956 {
1957         switch (dir_type) {
1958         case BNX_DIR_TYPE_AVS:
1959         case BNX_DIR_TYPE_EXP_ROM_MBA:
1960         case BNX_DIR_TYPE_PCIE:
1961         case BNX_DIR_TYPE_TSCF_UCODE:
1962         case BNX_DIR_TYPE_EXT_PHY:
1963         case BNX_DIR_TYPE_CCM:
1964         case BNX_DIR_TYPE_ISCSI_BOOT:
1965         case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1966         case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1967                 return true;
1968         }
1969
1970         return false;
1971 }
1972
1973 static bool bnxt_dir_type_is_executable(u16 dir_type)
1974 {
1975         return bnxt_dir_type_is_ape_bin_format(dir_type) ||
1976                 bnxt_dir_type_is_other_exec_format(dir_type);
1977 }
1978
1979 static int bnxt_flash_firmware_from_file(struct net_device *dev,
1980                                          u16 dir_type,
1981                                          const char *filename)
1982 {
1983         const struct firmware  *fw;
1984         int                     rc;
1985
1986         rc = request_firmware(&fw, filename, &dev->dev);
1987         if (rc != 0) {
1988                 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1989                            rc, filename);
1990                 return rc;
1991         }
1992         if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1993                 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1994         else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
1995                 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
1996         else
1997                 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1998                                       0, 0, fw->data, fw->size);
1999         release_firmware(fw);
2000         return rc;
2001 }
2002
2003 int bnxt_flash_package_from_file(struct net_device *dev, const char *filename,
2004                                  u32 install_type)
2005 {
2006         struct bnxt *bp = netdev_priv(dev);
2007         struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
2008         struct hwrm_nvm_install_update_input install = {0};
2009         const struct firmware *fw;
2010         int rc, hwrm_err = 0;
2011         u32 item_len;
2012         u16 index;
2013
2014         bnxt_hwrm_fw_set_time(bp);
2015
2016         if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
2017                                  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2018                                  &index, &item_len, NULL) != 0) {
2019                 netdev_err(dev, "PKG update area not created in nvram\n");
2020                 return -ENOBUFS;
2021         }
2022
2023         rc = request_firmware(&fw, filename, &dev->dev);
2024         if (rc != 0) {
2025                 netdev_err(dev, "PKG error %d requesting file: %s\n",
2026                            rc, filename);
2027                 return rc;
2028         }
2029
2030         if (fw->size > item_len) {
2031                 netdev_err(dev, "PKG insufficient update area in nvram: %lu\n",
2032                            (unsigned long)fw->size);
2033                 rc = -EFBIG;
2034         } else {
2035                 dma_addr_t dma_handle;
2036                 u8 *kmem;
2037                 struct hwrm_nvm_modify_input modify = {0};
2038
2039                 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);
2040
2041                 modify.dir_idx = cpu_to_le16(index);
2042                 modify.len = cpu_to_le32(fw->size);
2043
2044                 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
2045                                           &dma_handle, GFP_KERNEL);
2046                 if (!kmem) {
2047                         netdev_err(dev,
2048                                    "dma_alloc_coherent failure, length = %u\n",
2049                                    (unsigned int)fw->size);
2050                         rc = -ENOMEM;
2051                 } else {
2052                         memcpy(kmem, fw->data, fw->size);
2053                         modify.host_src_addr = cpu_to_le64(dma_handle);
2054
2055                         hwrm_err = hwrm_send_message(bp, &modify,
2056                                                      sizeof(modify),
2057                                                      FLASH_PACKAGE_TIMEOUT);
2058                         dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
2059                                           dma_handle);
2060                 }
2061         }
2062         release_firmware(fw);
2063         if (rc || hwrm_err)
2064                 goto err_exit;
2065
2066         if ((install_type & 0xffff) == 0)
2067                 install_type >>= 16;
2068         bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
2069         install.install_type = cpu_to_le32(install_type);
2070
2071         mutex_lock(&bp->hwrm_cmd_lock);
2072         hwrm_err = _hwrm_send_message(bp, &install, sizeof(install),
2073                                       INSTALL_PACKAGE_TIMEOUT);
2074         if (hwrm_err) {
2075                 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
2076
2077                 if (resp->error_code && error_code ==
2078                     NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
2079                         install.flags |= cpu_to_le16(
2080                                NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
2081                         hwrm_err = _hwrm_send_message(bp, &install,
2082                                                       sizeof(install),
2083                                                       INSTALL_PACKAGE_TIMEOUT);
2084                 }
2085                 if (hwrm_err)
2086                         goto flash_pkg_exit;
2087         }
2088
2089         if (resp->result) {
2090                 netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
2091                            (s8)resp->result, (int)resp->problem_item);
2092                 rc = -ENOPKG;
2093         }
2094 flash_pkg_exit:
2095         mutex_unlock(&bp->hwrm_cmd_lock);
2096 err_exit:
2097         if (hwrm_err == -EACCES)
2098                 bnxt_print_admin_err(bp);
2099         return rc;
2100 }
2101
2102 static int bnxt_flash_device(struct net_device *dev,
2103                              struct ethtool_flash *flash)
2104 {
2105         if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
2106                 netdev_err(dev, "flashdev not supported from a virtual function\n");
2107                 return -EINVAL;
2108         }
2109
2110         if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
2111             flash->region > 0xffff)
2112                 return bnxt_flash_package_from_file(dev, flash->data,
2113                                                     flash->region);
2114
2115         return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
2116 }
2117
2118 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
2119 {
2120         struct bnxt *bp = netdev_priv(dev);
2121         int rc;
2122         struct hwrm_nvm_get_dir_info_input req = {0};
2123         struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
2124
2125         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
2126
2127         mutex_lock(&bp->hwrm_cmd_lock);
2128         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2129         if (!rc) {
2130                 *entries = le32_to_cpu(output->entries);
2131                 *length = le32_to_cpu(output->entry_length);
2132         }
2133         mutex_unlock(&bp->hwrm_cmd_lock);
2134         return rc;
2135 }
2136
2137 static int bnxt_get_eeprom_len(struct net_device *dev)
2138 {
2139         struct bnxt *bp = netdev_priv(dev);
2140
2141         if (BNXT_VF(bp))
2142                 return 0;
2143
2144         /* The -1 return value allows the entire 32-bit range of offsets to be
2145          * passed via the ethtool command-line utility.
2146          */
2147         return -1;
2148 }
2149
2150 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
2151 {
2152         struct bnxt *bp = netdev_priv(dev);
2153         int rc;
2154         u32 dir_entries;
2155         u32 entry_length;
2156         u8 *buf;
2157         size_t buflen;
2158         dma_addr_t dma_handle;
2159         struct hwrm_nvm_get_dir_entries_input req = {0};
2160
2161         rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
2162         if (rc != 0)
2163                 return rc;
2164
2165         /* Insert 2 bytes of directory info (count and size of entries) */
2166         if (len < 2)
2167                 return -EINVAL;
2168
2169         *data++ = dir_entries;
2170         *data++ = entry_length;
2171         len -= 2;
2172         memset(data, 0xff, len);
2173
2174         buflen = dir_entries * entry_length;
2175         buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
2176                                  GFP_KERNEL);
2177         if (!buf) {
2178                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
2179                            (unsigned)buflen);
2180                 return -ENOMEM;
2181         }
2182         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
2183         req.host_dest_addr = cpu_to_le64(dma_handle);
2184         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2185         if (rc == 0)
2186                 memcpy(data, buf, len > buflen ? buflen : len);
2187         dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
2188         return rc;
2189 }
2190
2191 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
2192                                u32 length, u8 *data)
2193 {
2194         struct bnxt *bp = netdev_priv(dev);
2195         int rc;
2196         u8 *buf;
2197         dma_addr_t dma_handle;
2198         struct hwrm_nvm_read_input req = {0};
2199
2200         if (!length)
2201                 return -EINVAL;
2202
2203         buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
2204                                  GFP_KERNEL);
2205         if (!buf) {
2206                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
2207                            (unsigned)length);
2208                 return -ENOMEM;
2209         }
2210         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
2211         req.host_dest_addr = cpu_to_le64(dma_handle);
2212         req.dir_idx = cpu_to_le16(index);
2213         req.offset = cpu_to_le32(offset);
2214         req.len = cpu_to_le32(length);
2215
2216         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2217         if (rc == 0)
2218                 memcpy(data, buf, length);
2219         dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
2220         return rc;
2221 }
2222
2223 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
2224                                 u16 ext, u16 *index, u32 *item_length,
2225                                 u32 *data_length)
2226 {
2227         struct bnxt *bp = netdev_priv(dev);
2228         int rc;
2229         struct hwrm_nvm_find_dir_entry_input req = {0};
2230         struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
2231
2232         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
2233         req.enables = 0;
2234         req.dir_idx = 0;
2235         req.dir_type = cpu_to_le16(type);
2236         req.dir_ordinal = cpu_to_le16(ordinal);
2237         req.dir_ext = cpu_to_le16(ext);
2238         req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
2239         mutex_lock(&bp->hwrm_cmd_lock);
2240         rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2241         if (rc == 0) {
2242                 if (index)
2243                         *index = le16_to_cpu(output->dir_idx);
2244                 if (item_length)
2245                         *item_length = le32_to_cpu(output->dir_item_length);
2246                 if (data_length)
2247                         *data_length = le32_to_cpu(output->dir_data_length);
2248         }
2249         mutex_unlock(&bp->hwrm_cmd_lock);
2250         return rc;
2251 }
2252
2253 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
2254 {
2255         char    *retval = NULL;
2256         char    *p;
2257         char    *value;
2258         int     field = 0;
2259
2260         if (datalen < 1)
2261                 return NULL;
2262         /* null-terminate the log data (removing last '\n'): */
2263         data[datalen - 1] = 0;
2264         for (p = data; *p != 0; p++) {
2265                 field = 0;
2266                 retval = NULL;
2267                 while (*p != 0 && *p != '\n') {
2268                         value = p;
2269                         while (*p != 0 && *p != '\t' && *p != '\n')
2270                                 p++;
2271                         if (field == desired_field)
2272                                 retval = value;
2273                         if (*p != '\t')
2274                                 break;
2275                         *p = 0;
2276                         field++;
2277                         p++;
2278                 }
2279                 if (*p == 0)
2280                         break;
2281                 *p = 0;
2282         }
2283         return retval;
2284 }
2285
2286 static void bnxt_get_pkgver(struct net_device *dev)
2287 {
2288         struct bnxt *bp = netdev_priv(dev);
2289         u16 index = 0;
2290         char *pkgver;
2291         u32 pkglen;
2292         u8 *pkgbuf;
2293         int len;
2294
2295         if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
2296                                  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2297                                  &index, NULL, &pkglen) != 0)
2298                 return;
2299
2300         pkgbuf = kzalloc(pkglen, GFP_KERNEL);
2301         if (!pkgbuf) {
2302                 dev_err(&bp->pdev->dev, "Unable to allocate memory for pkg version, length = %u\n",
2303                         pkglen);
2304                 return;
2305         }
2306
2307         if (bnxt_get_nvram_item(dev, index, 0, pkglen, pkgbuf))
2308                 goto err;
2309
2310         pkgver = bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, pkgbuf,
2311                                    pkglen);
2312         if (pkgver && *pkgver != 0 && isdigit(*pkgver)) {
2313                 len = strlen(bp->fw_ver_str);
2314                 snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1,
2315                          "/pkg %s", pkgver);
2316         }
2317 err:
2318         kfree(pkgbuf);
2319 }
2320
2321 static int bnxt_get_eeprom(struct net_device *dev,
2322                            struct ethtool_eeprom *eeprom,
2323                            u8 *data)
2324 {
2325         u32 index;
2326         u32 offset;
2327
2328         if (eeprom->offset == 0) /* special offset value to get directory */
2329                 return bnxt_get_nvram_directory(dev, eeprom->len, data);
2330
2331         index = eeprom->offset >> 24;
2332         offset = eeprom->offset & 0xffffff;
2333
2334         if (index == 0) {
2335                 netdev_err(dev, "unsupported index value: %d\n", index);
2336                 return -EINVAL;
2337         }
2338
2339         return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
2340 }
2341
2342 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
2343 {
2344         struct bnxt *bp = netdev_priv(dev);
2345         struct hwrm_nvm_erase_dir_entry_input req = {0};
2346
2347         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
2348         req.dir_idx = cpu_to_le16(index);
2349         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2350 }
2351
2352 static int bnxt_set_eeprom(struct net_device *dev,
2353                            struct ethtool_eeprom *eeprom,
2354                            u8 *data)
2355 {
2356         struct bnxt *bp = netdev_priv(dev);
2357         u8 index, dir_op;
2358         u16 type, ext, ordinal, attr;
2359
2360         if (!BNXT_PF(bp)) {
2361                 netdev_err(dev, "NVM write not supported from a virtual function\n");
2362                 return -EINVAL;
2363         }
2364
2365         type = eeprom->magic >> 16;
2366
2367         if (type == 0xffff) { /* special value for directory operations */
2368                 index = eeprom->magic & 0xff;
2369                 dir_op = eeprom->magic >> 8;
2370                 if (index == 0)
2371                         return -EINVAL;
2372                 switch (dir_op) {
2373                 case 0x0e: /* erase */
2374                         if (eeprom->offset != ~eeprom->magic)
2375                                 return -EINVAL;
2376                         return bnxt_erase_nvram_directory(dev, index - 1);
2377                 default:
2378                         return -EINVAL;
2379                 }
2380         }
2381
2382         /* Create or re-write an NVM item: */
2383         if (bnxt_dir_type_is_executable(type) == true)
2384                 return -EOPNOTSUPP;
2385         ext = eeprom->magic & 0xffff;
2386         ordinal = eeprom->offset >> 16;
2387         attr = eeprom->offset & 0xffff;
2388
2389         return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
2390                                 eeprom->len);
2391 }
2392
2393 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
2394 {
2395         struct bnxt *bp = netdev_priv(dev);
2396         struct ethtool_eee *eee = &bp->eee;
2397         struct bnxt_link_info *link_info = &bp->link_info;
2398         u32 advertising =
2399                  _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
2400         int rc = 0;
2401
2402         if (!BNXT_PHY_CFG_ABLE(bp))
2403                 return -EOPNOTSUPP;
2404
2405         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
2406                 return -EOPNOTSUPP;
2407
2408         if (!edata->eee_enabled)
2409                 goto eee_ok;
2410
2411         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
2412                 netdev_warn(dev, "EEE requires autoneg\n");
2413                 return -EINVAL;
2414         }
2415         if (edata->tx_lpi_enabled) {
2416                 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
2417                                        edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
2418                         netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
2419                                     bp->lpi_tmr_lo, bp->lpi_tmr_hi);
2420                         return -EINVAL;
2421                 } else if (!bp->lpi_tmr_hi) {
2422                         edata->tx_lpi_timer = eee->tx_lpi_timer;
2423                 }
2424         }
2425         if (!edata->advertised) {
2426                 edata->advertised = advertising & eee->supported;
2427         } else if (edata->advertised & ~advertising) {
2428                 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
2429                             edata->advertised, advertising);
2430                 return -EINVAL;
2431         }
2432
2433         eee->advertised = edata->advertised;
2434         eee->tx_lpi_enabled = edata->tx_lpi_enabled;
2435         eee->tx_lpi_timer = edata->tx_lpi_timer;
2436 eee_ok:
2437         eee->eee_enabled = edata->eee_enabled;
2438
2439         if (netif_running(dev))
2440                 rc = bnxt_hwrm_set_link_setting(bp, false, true);
2441
2442         return rc;
2443 }
2444
2445 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
2446 {
2447         struct bnxt *bp = netdev_priv(dev);
2448
2449         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
2450                 return -EOPNOTSUPP;
2451
2452         *edata = bp->eee;
2453         if (!bp->eee.eee_enabled) {
2454                 /* Preserve tx_lpi_timer so that the last value will be used
2455                  * by default when it is re-enabled.
2456                  */
2457                 edata->advertised = 0;
2458                 edata->tx_lpi_enabled = 0;
2459         }
2460
2461         if (!bp->eee.eee_active)
2462                 edata->lp_advertised = 0;
2463
2464         return 0;
2465 }
2466
2467 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
2468                                             u16 page_number, u16 start_addr,
2469                                             u16 data_length, u8 *buf)
2470 {
2471         struct hwrm_port_phy_i2c_read_input req = {0};
2472         struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2473         int rc, byte_offset = 0;
2474
2475         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2476         req.i2c_slave_addr = i2c_addr;
2477         req.page_number = cpu_to_le16(page_number);
2478         req.port_id = cpu_to_le16(bp->pf.port_id);
2479         do {
2480                 u16 xfer_size;
2481
2482                 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
2483                 data_length -= xfer_size;
2484                 req.page_offset = cpu_to_le16(start_addr + byte_offset);
2485                 req.data_length = xfer_size;
2486                 req.enables = cpu_to_le32(start_addr + byte_offset ?
2487                                  PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
2488                 mutex_lock(&bp->hwrm_cmd_lock);
2489                 rc = _hwrm_send_message(bp, &req, sizeof(req),
2490                                         HWRM_CMD_TIMEOUT);
2491                 if (!rc)
2492                         memcpy(buf + byte_offset, output->data, xfer_size);
2493                 mutex_unlock(&bp->hwrm_cmd_lock);
2494                 byte_offset += xfer_size;
2495         } while (!rc && data_length > 0);
2496
2497         return rc;
2498 }
2499
2500 static int bnxt_get_module_info(struct net_device *dev,
2501                                 struct ethtool_modinfo *modinfo)
2502 {
2503         u8 data[SFF_DIAG_SUPPORT_OFFSET + 1];
2504         struct bnxt *bp = netdev_priv(dev);
2505         int rc;
2506
2507         /* No point in going further if phy status indicates
2508          * module is not inserted or if it is powered down or
2509          * if it is of type 10GBase-T
2510          */
2511         if (bp->link_info.module_status >
2512                 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
2513                 return -EOPNOTSUPP;
2514
2515         /* This feature is not supported in older firmware versions */
2516         if (bp->hwrm_spec_code < 0x10202)
2517                 return -EOPNOTSUPP;
2518
2519         rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0,
2520                                               SFF_DIAG_SUPPORT_OFFSET + 1,
2521                                               data);
2522         if (!rc) {
2523                 u8 module_id = data[0];
2524                 u8 diag_supported = data[SFF_DIAG_SUPPORT_OFFSET];
2525
2526                 switch (module_id) {
2527                 case SFF_MODULE_ID_SFP:
2528                         modinfo->type = ETH_MODULE_SFF_8472;
2529                         modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2530                         if (!diag_supported)
2531                                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2532                         break;
2533                 case SFF_MODULE_ID_QSFP:
2534                 case SFF_MODULE_ID_QSFP_PLUS:
2535                         modinfo->type = ETH_MODULE_SFF_8436;
2536                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2537                         break;
2538                 case SFF_MODULE_ID_QSFP28:
2539                         modinfo->type = ETH_MODULE_SFF_8636;
2540                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2541                         break;
2542                 default:
2543                         rc = -EOPNOTSUPP;
2544                         break;
2545                 }
2546         }
2547         return rc;
2548 }
2549
2550 static int bnxt_get_module_eeprom(struct net_device *dev,
2551                                   struct ethtool_eeprom *eeprom,
2552                                   u8 *data)
2553 {
2554         struct bnxt *bp = netdev_priv(dev);
2555         u16  start = eeprom->offset, length = eeprom->len;
2556         int rc = 0;
2557
2558         memset(data, 0, eeprom->len);
2559
2560         /* Read A0 portion of the EEPROM */
2561         if (start < ETH_MODULE_SFF_8436_LEN) {
2562                 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
2563                         length = ETH_MODULE_SFF_8436_LEN - start;
2564                 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
2565                                                       start, length, data);
2566                 if (rc)
2567                         return rc;
2568                 start += length;
2569                 data += length;
2570                 length = eeprom->len - length;
2571         }
2572
2573         /* Read A2 portion of the EEPROM */
2574         if (length) {
2575                 start -= ETH_MODULE_SFF_8436_LEN;
2576                 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1,
2577                                                       start, length, data);
2578         }
2579         return rc;
2580 }
2581
2582 static int bnxt_nway_reset(struct net_device *dev)
2583 {
2584         int rc = 0;
2585
2586         struct bnxt *bp = netdev_priv(dev);
2587         struct bnxt_link_info *link_info = &bp->link_info;
2588
2589         if (!BNXT_PHY_CFG_ABLE(bp))
2590                 return -EOPNOTSUPP;
2591
2592         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
2593                 return -EINVAL;
2594
2595         if (netif_running(dev))
2596                 rc = bnxt_hwrm_set_link_setting(bp, true, false);
2597
2598         return rc;
2599 }
2600
2601 static int bnxt_set_phys_id(struct net_device *dev,
2602                             enum ethtool_phys_id_state state)
2603 {
2604         struct hwrm_port_led_cfg_input req = {0};
2605         struct bnxt *bp = netdev_priv(dev);
2606         struct bnxt_pf_info *pf = &bp->pf;
2607         struct bnxt_led_cfg *led_cfg;
2608         u8 led_state;
2609         __le16 duration;
2610         int i, rc;
2611
2612         if (!bp->num_leds || BNXT_VF(bp))
2613                 return -EOPNOTSUPP;
2614
2615         if (state == ETHTOOL_ID_ACTIVE) {
2616                 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
2617                 duration = cpu_to_le16(500);
2618         } else if (state == ETHTOOL_ID_INACTIVE) {
2619                 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
2620                 duration = cpu_to_le16(0);
2621         } else {
2622                 return -EINVAL;
2623         }
2624         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
2625         req.port_id = cpu_to_le16(pf->port_id);
2626         req.num_leds = bp->num_leds;
2627         led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
2628         for (i = 0; i < bp->num_leds; i++, led_cfg++) {
2629                 req.enables |= BNXT_LED_DFLT_ENABLES(i);
2630                 led_cfg->led_id = bp->leds[i].led_id;
2631                 led_cfg->led_state = led_state;
2632                 led_cfg->led_blink_on = duration;
2633                 led_cfg->led_blink_off = duration;
2634                 led_cfg->led_group_id = bp->leds[i].led_group_id;
2635         }
2636         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2637         return rc;
2638 }
2639
2640 static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
2641 {
2642         struct hwrm_selftest_irq_input req = {0};
2643
2644         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
2645         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2646 }
2647
2648 static int bnxt_test_irq(struct bnxt *bp)
2649 {
2650         int i;
2651
2652         for (i = 0; i < bp->cp_nr_rings; i++) {
2653                 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
2654                 int rc;
2655
2656                 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
2657                 if (rc)
2658                         return rc;
2659         }
2660         return 0;
2661 }
2662
2663 static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
2664 {
2665         struct hwrm_port_mac_cfg_input req = {0};
2666
2667         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1);
2668
2669         req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
2670         if (enable)
2671                 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
2672         else
2673                 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
2674         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2675 }
2676
2677 static int bnxt_query_force_speeds(struct bnxt *bp, u16 *force_speeds)
2678 {
2679         struct hwrm_port_phy_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
2680         struct hwrm_port_phy_qcaps_input req = {0};
2681         int rc;
2682
2683         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_QCAPS, -1, -1);
2684         mutex_lock(&bp->hwrm_cmd_lock);
2685         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2686         if (!rc)
2687                 *force_speeds = le16_to_cpu(resp->supported_speeds_force_mode);
2688
2689         mutex_unlock(&bp->hwrm_cmd_lock);
2690         return rc;
2691 }
2692
2693 static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
2694                                     struct hwrm_port_phy_cfg_input *req)
2695 {
2696         struct bnxt_link_info *link_info = &bp->link_info;
2697         u16 fw_advertising;
2698         u16 fw_speed;
2699         int rc;
2700
2701         if (!link_info->autoneg ||
2702             (bp->test_info->flags & BNXT_TEST_FL_AN_PHY_LPBK))
2703                 return 0;
2704
2705         rc = bnxt_query_force_speeds(bp, &fw_advertising);
2706         if (rc)
2707                 return rc;
2708
2709         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
2710         if (bp->link_info.link_up)
2711                 fw_speed = bp->link_info.link_speed;
2712         else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
2713                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
2714         else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
2715                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
2716         else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
2717                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
2718         else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
2719                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
2720
2721         req->force_link_speed = cpu_to_le16(fw_speed);
2722         req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
2723                                   PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
2724         rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT);
2725         req->flags = 0;
2726         req->force_link_speed = cpu_to_le16(0);
2727         return rc;
2728 }
2729
2730 static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
2731 {
2732         struct hwrm_port_phy_cfg_input req = {0};
2733
2734         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
2735
2736         if (enable) {
2737                 bnxt_disable_an_for_lpbk(bp, &req);
2738                 if (ext)
2739                         req.lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
2740                 else
2741                         req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2742         } else {
2743                 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
2744         }
2745         req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
2746         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2747 }
2748
2749 static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
2750                             u32 raw_cons, int pkt_size)
2751 {
2752         struct bnxt_napi *bnapi = cpr->bnapi;
2753         struct bnxt_rx_ring_info *rxr;
2754         struct bnxt_sw_rx_bd *rx_buf;
2755         struct rx_cmp *rxcmp;
2756         u16 cp_cons, cons;
2757         u8 *data;
2758         u32 len;
2759         int i;
2760
2761         rxr = bnapi->rx_ring;
2762         cp_cons = RING_CMP(raw_cons);
2763         rxcmp = (struct rx_cmp *)
2764                 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
2765         cons = rxcmp->rx_cmp_opaque;
2766         rx_buf = &rxr->rx_buf_ring[cons];
2767         data = rx_buf->data_ptr;
2768         len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
2769         if (len != pkt_size)
2770                 return -EIO;
2771         i = ETH_ALEN;
2772         if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
2773                 return -EIO;
2774         i += ETH_ALEN;
2775         for (  ; i < pkt_size; i++) {
2776                 if (data[i] != (u8)(i & 0xff))
2777                         return -EIO;
2778         }
2779         return 0;
2780 }
2781
2782 static int bnxt_poll_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
2783                               int pkt_size)
2784 {
2785         struct tx_cmp *txcmp;
2786         int rc = -EIO;
2787         u32 raw_cons;
2788         u32 cons;
2789         int i;
2790
2791         raw_cons = cpr->cp_raw_cons;
2792         for (i = 0; i < 200; i++) {
2793                 cons = RING_CMP(raw_cons);
2794                 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
2795
2796                 if (!TX_CMP_VALID(txcmp, raw_cons)) {
2797                         udelay(5);
2798                         continue;
2799                 }
2800
2801                 /* The valid test of the entry must be done first before
2802                  * reading any further.
2803                  */
2804                 dma_rmb();
2805                 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
2806                         rc = bnxt_rx_loopback(bp, cpr, raw_cons, pkt_size);
2807                         raw_cons = NEXT_RAW_CMP(raw_cons);
2808                         raw_cons = NEXT_RAW_CMP(raw_cons);
2809                         break;
2810                 }
2811                 raw_cons = NEXT_RAW_CMP(raw_cons);
2812         }
2813         cpr->cp_raw_cons = raw_cons;
2814         return rc;
2815 }
2816
2817 static int bnxt_run_loopback(struct bnxt *bp)
2818 {
2819         struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
2820         struct bnxt_rx_ring_info *rxr = &bp->rx_ring[0];
2821         struct bnxt_cp_ring_info *cpr;
2822         int pkt_size, i = 0;
2823         struct sk_buff *skb;
2824         dma_addr_t map;
2825         u8 *data;
2826         int rc;
2827
2828         cpr = &rxr->bnapi->cp_ring;
2829         if (bp->flags & BNXT_FLAG_CHIP_P5)
2830                 cpr = cpr->cp_ring_arr[BNXT_RX_HDL];
2831         pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
2832         skb = netdev_alloc_skb(bp->dev, pkt_size);
2833         if (!skb)
2834                 return -ENOMEM;
2835         data = skb_put(skb, pkt_size);
2836         eth_broadcast_addr(data);
2837         i += ETH_ALEN;
2838         ether_addr_copy(&data[i], bp->dev->dev_addr);
2839         i += ETH_ALEN;
2840         for ( ; i < pkt_size; i++)
2841                 data[i] = (u8)(i & 0xff);
2842
2843         map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
2844                              PCI_DMA_TODEVICE);
2845         if (dma_mapping_error(&bp->pdev->dev, map)) {
2846                 dev_kfree_skb(skb);
2847                 return -EIO;
2848         }
2849         bnxt_xmit_bd(bp, txr, map, pkt_size);
2850
2851         /* Sync BD data before updating doorbell */
2852         wmb();
2853
2854         bnxt_db_write(bp, &txr->tx_db, txr->tx_prod);
2855         rc = bnxt_poll_loopback(bp, cpr, pkt_size);
2856
2857         dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
2858         dev_kfree_skb(skb);
2859         return rc;
2860 }
2861
2862 static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
2863 {
2864         struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr;
2865         struct hwrm_selftest_exec_input req = {0};
2866         int rc;
2867
2868         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1);
2869         mutex_lock(&bp->hwrm_cmd_lock);
2870         resp->test_success = 0;
2871         req.flags = test_mask;
2872         rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout);
2873         *test_results = resp->test_success;
2874         mutex_unlock(&bp->hwrm_cmd_lock);
2875         return rc;
2876 }
2877
2878 #define BNXT_DRV_TESTS                  4
2879 #define BNXT_MACLPBK_TEST_IDX           (bp->num_tests - BNXT_DRV_TESTS)
2880 #define BNXT_PHYLPBK_TEST_IDX           (BNXT_MACLPBK_TEST_IDX + 1)
2881 #define BNXT_EXTLPBK_TEST_IDX           (BNXT_MACLPBK_TEST_IDX + 2)
2882 #define BNXT_IRQ_TEST_IDX               (BNXT_MACLPBK_TEST_IDX + 3)
2883
2884 static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
2885                            u64 *buf)
2886 {
2887         struct bnxt *bp = netdev_priv(dev);
2888         bool do_ext_lpbk = false;
2889         bool offline = false;
2890         u8 test_results = 0;
2891         u8 test_mask = 0;
2892         int rc = 0, i;
2893
2894         if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
2895                 return;
2896         memset(buf, 0, sizeof(u64) * bp->num_tests);
2897         if (!netif_running(dev)) {
2898                 etest->flags |= ETH_TEST_FL_FAILED;
2899                 return;
2900         }
2901
2902         if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
2903             (bp->test_info->flags & BNXT_TEST_FL_EXT_LPBK))
2904                 do_ext_lpbk = true;
2905
2906         if (etest->flags & ETH_TEST_FL_OFFLINE) {
2907                 if (bp->pf.active_vfs) {
2908                         etest->flags |= ETH_TEST_FL_FAILED;
2909                         netdev_warn(dev, "Offline tests cannot be run with active VFs\n");
2910                         return;
2911                 }
2912                 offline = true;
2913         }
2914
2915         for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2916                 u8 bit_val = 1 << i;
2917
2918                 if (!(bp->test_info->offline_mask & bit_val))
2919                         test_mask |= bit_val;
2920                 else if (offline)
2921                         test_mask |= bit_val;
2922         }
2923         if (!offline) {
2924                 bnxt_run_fw_tests(bp, test_mask, &test_results);
2925         } else {
2926                 rc = bnxt_close_nic(bp, false, false);
2927                 if (rc)
2928                         return;
2929                 bnxt_run_fw_tests(bp, test_mask, &test_results);
2930
2931                 buf[BNXT_MACLPBK_TEST_IDX] = 1;
2932                 bnxt_hwrm_mac_loopback(bp, true);
2933                 msleep(250);
2934                 rc = bnxt_half_open_nic(bp);
2935                 if (rc) {
2936                         bnxt_hwrm_mac_loopback(bp, false);
2937                         etest->flags |= ETH_TEST_FL_FAILED;
2938                         return;
2939                 }
2940                 if (bnxt_run_loopback(bp))
2941                         etest->flags |= ETH_TEST_FL_FAILED;
2942                 else
2943                         buf[BNXT_MACLPBK_TEST_IDX] = 0;
2944
2945                 bnxt_hwrm_mac_loopback(bp, false);
2946                 bnxt_hwrm_phy_loopback(bp, true, false);
2947                 msleep(1000);
2948                 if (bnxt_run_loopback(bp)) {
2949                         buf[BNXT_PHYLPBK_TEST_IDX] = 1;
2950                         etest->flags |= ETH_TEST_FL_FAILED;
2951                 }
2952                 if (do_ext_lpbk) {
2953                         etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
2954                         bnxt_hwrm_phy_loopback(bp, true, true);
2955                         msleep(1000);
2956                         if (bnxt_run_loopback(bp)) {
2957                                 buf[BNXT_EXTLPBK_TEST_IDX] = 1;
2958                                 etest->flags |= ETH_TEST_FL_FAILED;
2959                         }
2960                 }
2961                 bnxt_hwrm_phy_loopback(bp, false, false);
2962                 bnxt_half_close_nic(bp);
2963                 rc = bnxt_open_nic(bp, false, true);
2964         }
2965         if (rc || bnxt_test_irq(bp)) {
2966                 buf[BNXT_IRQ_TEST_IDX] = 1;
2967                 etest->flags |= ETH_TEST_FL_FAILED;
2968         }
2969         for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
2970                 u8 bit_val = 1 << i;
2971
2972                 if ((test_mask & bit_val) && !(test_results & bit_val)) {
2973                         buf[i] = 1;
2974                         etest->flags |= ETH_TEST_FL_FAILED;
2975                 }
2976         }
2977 }
2978
2979 static int bnxt_reset(struct net_device *dev, u32 *flags)
2980 {
2981         struct bnxt *bp = netdev_priv(dev);
2982         int rc = 0;
2983
2984         if (!BNXT_PF(bp)) {
2985                 netdev_err(dev, "Reset is not supported from a VF\n");
2986                 return -EOPNOTSUPP;
2987         }
2988
2989         if (pci_vfs_assigned(bp->pdev) &&
2990             !(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) {
2991                 netdev_err(dev,
2992                            "Reset not allowed when VFs are assigned to VMs\n");
2993                 return -EBUSY;
2994         }
2995
2996         if (*flags == ETH_RESET_ALL) {
2997                 /* This feature is not supported in older firmware versions */
2998                 if (bp->hwrm_spec_code < 0x10803)
2999                         return -EOPNOTSUPP;
3000
3001                 rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_CHIP);
3002                 if (!rc) {
3003                         netdev_info(dev, "Reset request successful.\n");
3004                         if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET))
3005                                 netdev_info(dev, "Reload driver to complete reset\n");
3006                         *flags = 0;
3007                 }
3008         } else if (*flags == ETH_RESET_AP) {
3009                 /* This feature is not supported in older firmware versions */
3010                 if (bp->hwrm_spec_code < 0x10803)
3011                         return -EOPNOTSUPP;
3012
3013                 rc = bnxt_firmware_reset(dev, BNXT_FW_RESET_AP);
3014                 if (!rc) {
3015                         netdev_info(dev, "Reset Application Processor request successful.\n");
3016                         *flags = 0;
3017                 }
3018         } else {
3019                 rc = -EINVAL;
3020         }
3021
3022         return rc;
3023 }
3024
3025 static int bnxt_hwrm_dbg_dma_data(struct bnxt *bp, void *msg, int msg_len,
3026                                   struct bnxt_hwrm_dbg_dma_info *info)
3027 {
3028         struct hwrm_dbg_cmn_output *cmn_resp = bp->hwrm_cmd_resp_addr;
3029         struct hwrm_dbg_cmn_input *cmn_req = msg;
3030         __le16 *seq_ptr = msg + info->seq_off;
3031         u16 seq = 0, len, segs_off;
3032         void *resp = cmn_resp;
3033         dma_addr_t dma_handle;
3034         int rc, off = 0;
3035         void *dma_buf;
3036
3037         dma_buf = dma_alloc_coherent(&bp->pdev->dev, info->dma_len, &dma_handle,
3038                                      GFP_KERNEL);
3039         if (!dma_buf)
3040                 return -ENOMEM;
3041
3042         segs_off = offsetof(struct hwrm_dbg_coredump_list_output,
3043                             total_segments);
3044         cmn_req->host_dest_addr = cpu_to_le64(dma_handle);
3045         cmn_req->host_buf_len = cpu_to_le32(info->dma_len);
3046         mutex_lock(&bp->hwrm_cmd_lock);
3047         while (1) {
3048                 *seq_ptr = cpu_to_le16(seq);
3049                 rc = _hwrm_send_message(bp, msg, msg_len,
3050                                         HWRM_COREDUMP_TIMEOUT);
3051                 if (rc)
3052                         break;
3053
3054                 len = le16_to_cpu(*((__le16 *)(resp + info->data_len_off)));
3055                 if (!seq &&
3056                     cmn_req->req_type == cpu_to_le16(HWRM_DBG_COREDUMP_LIST)) {
3057                         info->segs = le16_to_cpu(*((__le16 *)(resp +
3058                                                               segs_off)));
3059                         if (!info->segs) {
3060                                 rc = -EIO;
3061                                 break;
3062                         }
3063
3064                         info->dest_buf_size = info->segs *
3065                                         sizeof(struct coredump_segment_record);
3066                         info->dest_buf = kmalloc(info->dest_buf_size,
3067                                                  GFP_KERNEL);
3068                         if (!info->dest_buf) {
3069                                 rc = -ENOMEM;
3070                                 break;
3071                         }
3072                 }
3073
3074                 if (info->dest_buf) {
3075                         if ((info->seg_start + off + len) <=
3076                             BNXT_COREDUMP_BUF_LEN(info->buf_len)) {
3077                                 memcpy(info->dest_buf + off, dma_buf, len);
3078                         } else {
3079                                 rc = -ENOBUFS;
3080                                 break;
3081                         }
3082                 }
3083
3084                 if (cmn_req->req_type ==
3085                                 cpu_to_le16(HWRM_DBG_COREDUMP_RETRIEVE))
3086                         info->dest_buf_size += len;
3087
3088                 if (!(cmn_resp->flags & HWRM_DBG_CMN_FLAGS_MORE))
3089                         break;
3090
3091                 seq++;
3092                 off += len;
3093         }
3094         mutex_unlock(&bp->hwrm_cmd_lock);
3095         dma_free_coherent(&bp->pdev->dev, info->dma_len, dma_buf, dma_handle);
3096         return rc;
3097 }
3098
3099 static int bnxt_hwrm_dbg_coredump_list(struct bnxt *bp,
3100                                        struct bnxt_coredump *coredump)
3101 {
3102         struct hwrm_dbg_coredump_list_input req = {0};
3103         struct bnxt_hwrm_dbg_dma_info info = {NULL};
3104         int rc;
3105
3106         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_LIST, -1, -1);
3107
3108         info.dma_len = COREDUMP_LIST_BUF_LEN;
3109         info.seq_off = offsetof(struct hwrm_dbg_coredump_list_input, seq_no);
3110         info.data_len_off = offsetof(struct hwrm_dbg_coredump_list_output,
3111                                      data_len);
3112
3113         rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
3114         if (!rc) {
3115                 coredump->data = info.dest_buf;
3116                 coredump->data_size = info.dest_buf_size;
3117                 coredump->total_segs = info.segs;
3118         }
3119         return rc;
3120 }
3121
3122 static int bnxt_hwrm_dbg_coredump_initiate(struct bnxt *bp, u16 component_id,
3123                                            u16 segment_id)
3124 {
3125         struct hwrm_dbg_coredump_initiate_input req = {0};
3126
3127         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_INITIATE, -1, -1);
3128         req.component_id = cpu_to_le16(component_id);
3129         req.segment_id = cpu_to_le16(segment_id);
3130
3131         return hwrm_send_message(bp, &req, sizeof(req), HWRM_COREDUMP_TIMEOUT);
3132 }
3133
3134 static int bnxt_hwrm_dbg_coredump_retrieve(struct bnxt *bp, u16 component_id,
3135                                            u16 segment_id, u32 *seg_len,
3136                                            void *buf, u32 buf_len, u32 offset)
3137 {
3138         struct hwrm_dbg_coredump_retrieve_input req = {0};
3139         struct bnxt_hwrm_dbg_dma_info info = {NULL};
3140         int rc;
3141
3142         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_RETRIEVE, -1, -1);
3143         req.component_id = cpu_to_le16(component_id);
3144         req.segment_id = cpu_to_le16(segment_id);
3145
3146         info.dma_len = COREDUMP_RETRIEVE_BUF_LEN;
3147         info.seq_off = offsetof(struct hwrm_dbg_coredump_retrieve_input,
3148                                 seq_no);
3149         info.data_len_off = offsetof(struct hwrm_dbg_coredump_retrieve_output,
3150                                      data_len);
3151         if (buf) {
3152                 info.dest_buf = buf + offset;
3153                 info.buf_len = buf_len;
3154                 info.seg_start = offset;
3155         }
3156
3157         rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
3158         if (!rc)
3159                 *seg_len = info.dest_buf_size;
3160
3161         return rc;
3162 }
3163
3164 static void
3165 bnxt_fill_coredump_seg_hdr(struct bnxt *bp,
3166                            struct bnxt_coredump_segment_hdr *seg_hdr,
3167                            struct coredump_segment_record *seg_rec, u32 seg_len,
3168                            int status, u32 duration, u32 instance)
3169 {
3170         memset(seg_hdr, 0, sizeof(*seg_hdr));
3171         memcpy(seg_hdr->signature, "sEgM", 4);
3172         if (seg_rec) {
3173                 seg_hdr->component_id = (__force __le32)seg_rec->component_id;
3174                 seg_hdr->segment_id = (__force __le32)seg_rec->segment_id;
3175                 seg_hdr->low_version = seg_rec->version_low;
3176                 seg_hdr->high_version = seg_rec->version_hi;
3177         } else {
3178                 /* For hwrm_ver_get response Component id = 2
3179                  * and Segment id = 0
3180                  */
3181                 seg_hdr->component_id = cpu_to_le32(2);
3182                 seg_hdr->segment_id = 0;
3183         }
3184         seg_hdr->function_id = cpu_to_le16(bp->pdev->devfn);
3185         seg_hdr->length = cpu_to_le32(seg_len);
3186         seg_hdr->status = cpu_to_le32(status);
3187         seg_hdr->duration = cpu_to_le32(duration);
3188         seg_hdr->data_offset = cpu_to_le32(sizeof(*seg_hdr));
3189         seg_hdr->instance = cpu_to_le32(instance);
3190 }
3191
3192 static void
3193 bnxt_fill_coredump_record(struct bnxt *bp, struct bnxt_coredump_record *record,
3194                           time64_t start, s16 start_utc, u16 total_segs,
3195                           int status)
3196 {
3197         time64_t end = ktime_get_real_seconds();
3198         u32 os_ver_major = 0, os_ver_minor = 0;
3199         struct tm tm;
3200
3201         time64_to_tm(start, 0, &tm);
3202         memset(record, 0, sizeof(*record));
3203         memcpy(record->signature, "cOrE", 4);
3204         record->flags = 0;
3205         record->low_version = 0;
3206         record->high_version = 1;
3207         record->asic_state = 0;
3208         strlcpy(record->system_name, utsname()->nodename,
3209                 sizeof(record->system_name));
3210         record->year = cpu_to_le16(tm.tm_year + 1900);
3211         record->month = cpu_to_le16(tm.tm_mon + 1);
3212         record->day = cpu_to_le16(tm.tm_mday);
3213         record->hour = cpu_to_le16(tm.tm_hour);
3214         record->minute = cpu_to_le16(tm.tm_min);
3215         record->second = cpu_to_le16(tm.tm_sec);
3216         record->utc_bias = cpu_to_le16(start_utc);
3217         strcpy(record->commandline, "ethtool -w");
3218         record->total_segments = cpu_to_le32(total_segs);
3219
3220         sscanf(utsname()->release, "%u.%u", &os_ver_major, &os_ver_minor);
3221         record->os_ver_major = cpu_to_le32(os_ver_major);
3222         record->os_ver_minor = cpu_to_le32(os_ver_minor);
3223
3224         strlcpy(record->os_name, utsname()->sysname, 32);
3225         time64_to_tm(end, 0, &tm);
3226         record->end_year = cpu_to_le16(tm.tm_year + 1900);
3227         record->end_month = cpu_to_le16(tm.tm_mon + 1);
3228         record->end_day = cpu_to_le16(tm.tm_mday);
3229         record->end_hour = cpu_to_le16(tm.tm_hour);
3230         record->end_minute = cpu_to_le16(tm.tm_min);
3231         record->end_second = cpu_to_le16(tm.tm_sec);
3232         record->end_utc_bias = cpu_to_le16(sys_tz.tz_minuteswest * 60);
3233         record->asic_id1 = cpu_to_le32(bp->chip_num << 16 |
3234                                        bp->ver_resp.chip_rev << 8 |
3235                                        bp->ver_resp.chip_metal);
3236         record->asic_id2 = 0;
3237         record->coredump_status = cpu_to_le32(status);
3238         record->ioctl_low_version = 0;
3239         record->ioctl_high_version = 0;
3240 }
3241
3242 static int bnxt_get_coredump(struct bnxt *bp, void *buf, u32 *dump_len)
3243 {
3244         u32 ver_get_resp_len = sizeof(struct hwrm_ver_get_output);
3245         u32 offset = 0, seg_hdr_len, seg_record_len, buf_len = 0;
3246         struct coredump_segment_record *seg_record = NULL;
3247         struct bnxt_coredump_segment_hdr seg_hdr;
3248         struct bnxt_coredump coredump = {NULL};
3249         time64_t start_time;
3250         u16 start_utc;
3251         int rc = 0, i;
3252
3253         if (buf)
3254                 buf_len = *dump_len;
3255
3256         start_time = ktime_get_real_seconds();
3257         start_utc = sys_tz.tz_minuteswest * 60;
3258         seg_hdr_len = sizeof(seg_hdr);
3259
3260         /* First segment should be hwrm_ver_get response */
3261         *dump_len = seg_hdr_len + ver_get_resp_len;
3262         if (buf) {
3263                 bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, NULL, ver_get_resp_len,
3264                                            0, 0, 0);
3265                 memcpy(buf + offset, &seg_hdr, seg_hdr_len);
3266                 offset += seg_hdr_len;
3267                 memcpy(buf + offset, &bp->ver_resp, ver_get_resp_len);
3268                 offset += ver_get_resp_len;
3269         }
3270
3271         rc = bnxt_hwrm_dbg_coredump_list(bp, &coredump);
3272         if (rc) {
3273                 netdev_err(bp->dev, "Failed to get coredump segment list\n");
3274                 goto err;
3275         }
3276
3277         *dump_len += seg_hdr_len * coredump.total_segs;
3278
3279         seg_record = (struct coredump_segment_record *)coredump.data;
3280         seg_record_len = sizeof(*seg_record);
3281
3282         for (i = 0; i < coredump.total_segs; i++) {
3283                 u16 comp_id = le16_to_cpu(seg_record->component_id);
3284                 u16 seg_id = le16_to_cpu(seg_record->segment_id);
3285                 u32 duration = 0, seg_len = 0;
3286                 unsigned long start, end;
3287
3288                 if (buf && ((offset + seg_hdr_len) >
3289                             BNXT_COREDUMP_BUF_LEN(buf_len))) {
3290                         rc = -ENOBUFS;
3291                         goto err;
3292                 }
3293
3294                 start = jiffies;
3295
3296                 rc = bnxt_hwrm_dbg_coredump_initiate(bp, comp_id, seg_id);
3297                 if (rc) {
3298                         netdev_err(bp->dev,
3299                                    "Failed to initiate coredump for seg = %d\n",
3300                                    seg_record->segment_id);
3301                         goto next_seg;
3302                 }
3303
3304                 /* Write segment data into the buffer */
3305                 rc = bnxt_hwrm_dbg_coredump_retrieve(bp, comp_id, seg_id,
3306                                                      &seg_len, buf, buf_len,
3307                                                      offset + seg_hdr_len);
3308                 if (rc && rc == -ENOBUFS)
3309                         goto err;
3310                 else if (rc)
3311                         netdev_err(bp->dev,
3312                                    "Failed to retrieve coredump for seg = %d\n",
3313                                    seg_record->segment_id);
3314
3315 next_seg:
3316                 end = jiffies;
3317                 duration = jiffies_to_msecs(end - start);
3318                 bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, seg_record, seg_len,
3319                                            rc, duration, 0);
3320
3321                 if (buf) {
3322                         /* Write segment header into the buffer */
3323                         memcpy(buf + offset, &seg_hdr, seg_hdr_len);
3324                         offset += seg_hdr_len + seg_len;
3325                 }
3326
3327                 *dump_len += seg_len;
3328                 seg_record =
3329                         (struct coredump_segment_record *)((u8 *)seg_record +
3330                                                            seg_record_len);
3331         }
3332
3333 err:
3334         if (buf)
3335                 bnxt_fill_coredump_record(bp, buf + offset, start_time,
3336                                           start_utc, coredump.total_segs + 1,
3337                                           rc);
3338         kfree(coredump.data);
3339         *dump_len += sizeof(struct bnxt_coredump_record);
3340         if (rc == -ENOBUFS)
3341                 netdev_err(bp->dev, "Firmware returned large coredump buffer\n");
3342         return rc;
3343 }
3344
3345 static int bnxt_set_dump(struct net_device *dev, struct ethtool_dump *dump)
3346 {
3347         struct bnxt *bp = netdev_priv(dev);
3348
3349         if (dump->flag > BNXT_DUMP_CRASH) {
3350                 netdev_info(dev, "Supports only Live(0) and Crash(1) dumps.\n");
3351                 return -EINVAL;
3352         }
3353
3354         if (!IS_ENABLED(CONFIG_TEE_BNXT_FW) && dump->flag == BNXT_DUMP_CRASH) {
3355                 netdev_info(dev, "Cannot collect crash dump as TEE_BNXT_FW config option is not enabled.\n");
3356                 return -EOPNOTSUPP;
3357         }
3358
3359         bp->dump_flag = dump->flag;
3360         return 0;
3361 }
3362
3363 static int bnxt_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
3364 {
3365         struct bnxt *bp = netdev_priv(dev);
3366
3367         if (bp->hwrm_spec_code < 0x10801)
3368                 return -EOPNOTSUPP;
3369
3370         dump->version = bp->ver_resp.hwrm_fw_maj_8b << 24 |
3371                         bp->ver_resp.hwrm_fw_min_8b << 16 |
3372                         bp->ver_resp.hwrm_fw_bld_8b << 8 |
3373                         bp->ver_resp.hwrm_fw_rsvd_8b;
3374
3375         dump->flag = bp->dump_flag;
3376         if (bp->dump_flag == BNXT_DUMP_CRASH)
3377                 dump->len = BNXT_CRASH_DUMP_LEN;
3378         else
3379                 bnxt_get_coredump(bp, NULL, &dump->len);
3380         return 0;
3381 }
3382
3383 static int bnxt_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
3384                               void *buf)
3385 {
3386         struct bnxt *bp = netdev_priv(dev);
3387
3388         if (bp->hwrm_spec_code < 0x10801)
3389                 return -EOPNOTSUPP;
3390
3391         memset(buf, 0, dump->len);
3392
3393         dump->flag = bp->dump_flag;
3394         if (dump->flag == BNXT_DUMP_CRASH) {
3395 #ifdef CONFIG_TEE_BNXT_FW
3396                 return tee_bnxt_copy_coredump(buf, 0, dump->len);
3397 #endif
3398         } else {
3399                 return bnxt_get_coredump(bp, buf, &dump->len);
3400         }
3401
3402         return 0;
3403 }
3404
3405 void bnxt_ethtool_init(struct bnxt *bp)
3406 {
3407         struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
3408         struct hwrm_selftest_qlist_input req = {0};
3409         struct bnxt_test_info *test_info;
3410         struct net_device *dev = bp->dev;
3411         int i, rc;
3412
3413         if (!(bp->fw_cap & BNXT_FW_CAP_PKG_VER))
3414                 bnxt_get_pkgver(dev);
3415
3416         bp->num_tests = 0;
3417         if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
3418                 return;
3419
3420         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1);
3421         mutex_lock(&bp->hwrm_cmd_lock);
3422         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3423         if (rc)
3424                 goto ethtool_init_exit;
3425
3426         test_info = bp->test_info;
3427         if (!test_info)
3428                 test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
3429         if (!test_info)
3430                 goto ethtool_init_exit;
3431
3432         bp->test_info = test_info;
3433         bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
3434         if (bp->num_tests > BNXT_MAX_TEST)
3435                 bp->num_tests = BNXT_MAX_TEST;
3436
3437         test_info->offline_mask = resp->offline_tests;
3438         test_info->timeout = le16_to_cpu(resp->test_timeout);
3439         if (!test_info->timeout)
3440                 test_info->timeout = HWRM_CMD_TIMEOUT;
3441         for (i = 0; i < bp->num_tests; i++) {
3442                 char *str = test_info->string[i];
3443                 char *fw_str = resp->test0_name + i * 32;
3444
3445                 if (i == BNXT_MACLPBK_TEST_IDX) {
3446                         strcpy(str, "Mac loopback test (offline)");
3447                 } else if (i == BNXT_PHYLPBK_TEST_IDX) {
3448                         strcpy(str, "Phy loopback test (offline)");
3449                 } else if (i == BNXT_EXTLPBK_TEST_IDX) {
3450                         strcpy(str, "Ext loopback test (offline)");
3451                 } else if (i == BNXT_IRQ_TEST_IDX) {
3452                         strcpy(str, "Interrupt_test (offline)");
3453                 } else {
3454                         strlcpy(str, fw_str, ETH_GSTRING_LEN);
3455                         strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
3456                         if (test_info->offline_mask & (1 << i))
3457                                 strncat(str, " (offline)",
3458                                         ETH_GSTRING_LEN - strlen(str));
3459                         else
3460                                 strncat(str, " (online)",
3461                                         ETH_GSTRING_LEN - strlen(str));
3462                 }
3463         }
3464
3465 ethtool_init_exit:
3466         mutex_unlock(&bp->hwrm_cmd_lock);
3467 }
3468
3469 void bnxt_ethtool_free(struct bnxt *bp)
3470 {
3471         kfree(bp->test_info);
3472         bp->test_info = NULL;
3473 }
3474
3475 const struct ethtool_ops bnxt_ethtool_ops = {
3476         .get_link_ksettings     = bnxt_get_link_ksettings,
3477         .set_link_ksettings     = bnxt_set_link_ksettings,
3478         .get_pauseparam         = bnxt_get_pauseparam,
3479         .set_pauseparam         = bnxt_set_pauseparam,
3480         .get_drvinfo            = bnxt_get_drvinfo,
3481         .get_wol                = bnxt_get_wol,
3482         .set_wol                = bnxt_set_wol,
3483         .get_coalesce           = bnxt_get_coalesce,
3484         .set_coalesce           = bnxt_set_coalesce,
3485         .get_msglevel           = bnxt_get_msglevel,
3486         .set_msglevel           = bnxt_set_msglevel,
3487         .get_sset_count         = bnxt_get_sset_count,
3488         .get_strings            = bnxt_get_strings,
3489         .get_ethtool_stats      = bnxt_get_ethtool_stats,
3490         .set_ringparam          = bnxt_set_ringparam,
3491         .get_ringparam          = bnxt_get_ringparam,
3492         .get_channels           = bnxt_get_channels,
3493         .set_channels           = bnxt_set_channels,
3494         .get_rxnfc              = bnxt_get_rxnfc,
3495         .set_rxnfc              = bnxt_set_rxnfc,
3496         .get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
3497         .get_rxfh_key_size      = bnxt_get_rxfh_key_size,
3498         .get_rxfh               = bnxt_get_rxfh,
3499         .flash_device           = bnxt_flash_device,
3500         .get_eeprom_len         = bnxt_get_eeprom_len,
3501         .get_eeprom             = bnxt_get_eeprom,
3502         .set_eeprom             = bnxt_set_eeprom,
3503         .get_link               = bnxt_get_link,
3504         .get_eee                = bnxt_get_eee,
3505         .set_eee                = bnxt_set_eee,
3506         .get_module_info        = bnxt_get_module_info,
3507         .get_module_eeprom      = bnxt_get_module_eeprom,
3508         .nway_reset             = bnxt_nway_reset,
3509         .set_phys_id            = bnxt_set_phys_id,
3510         .self_test              = bnxt_self_test,
3511         .reset                  = bnxt_reset,
3512         .set_dump               = bnxt_set_dump,
3513         .get_dump_flag          = bnxt_get_dump_flag,
3514         .get_dump_data          = bnxt_get_dump_data,
3515 };