bnxt_en: Return -EOPNOTSUPP for ETHTOOL_GREGS on VFs.
[platform/kernel/linux-starfive.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_rx_stats_str[] = {
141         "rx_ucast_packets",
142         "rx_mcast_packets",
143         "rx_bcast_packets",
144         "rx_discards",
145         "rx_errors",
146         "rx_ucast_bytes",
147         "rx_mcast_bytes",
148         "rx_bcast_bytes",
149 };
150
151 static const char * const bnxt_ring_tx_stats_str[] = {
152         "tx_ucast_packets",
153         "tx_mcast_packets",
154         "tx_bcast_packets",
155         "tx_errors",
156         "tx_discards",
157         "tx_ucast_bytes",
158         "tx_mcast_bytes",
159         "tx_bcast_bytes",
160 };
161
162 static const char * const bnxt_ring_tpa_stats_str[] = {
163         "tpa_packets",
164         "tpa_bytes",
165         "tpa_events",
166         "tpa_aborts",
167 };
168
169 static const char * const bnxt_ring_tpa2_stats_str[] = {
170         "rx_tpa_eligible_pkt",
171         "rx_tpa_eligible_bytes",
172         "rx_tpa_pkt",
173         "rx_tpa_bytes",
174         "rx_tpa_errors",
175 };
176
177 static const char * const bnxt_rx_sw_stats_str[] = {
178         "rx_l4_csum_errors",
179         "rx_buf_errors",
180 };
181
182 static const char * const bnxt_cmn_sw_stats_str[] = {
183         "missed_irqs",
184 };
185
186 #define BNXT_RX_STATS_ENTRY(counter)    \
187         { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
188
189 #define BNXT_TX_STATS_ENTRY(counter)    \
190         { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
191
192 #define BNXT_RX_STATS_EXT_ENTRY(counter)        \
193         { BNXT_RX_STATS_EXT_OFFSET(counter), __stringify(counter) }
194
195 #define BNXT_TX_STATS_EXT_ENTRY(counter)        \
196         { BNXT_TX_STATS_EXT_OFFSET(counter), __stringify(counter) }
197
198 #define BNXT_RX_STATS_EXT_PFC_ENTRY(n)                          \
199         BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_duration_us),   \
200         BNXT_RX_STATS_EXT_ENTRY(pfc_pri##n##_rx_transitions)
201
202 #define BNXT_TX_STATS_EXT_PFC_ENTRY(n)                          \
203         BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_duration_us),   \
204         BNXT_TX_STATS_EXT_ENTRY(pfc_pri##n##_tx_transitions)
205
206 #define BNXT_RX_STATS_EXT_PFC_ENTRIES                           \
207         BNXT_RX_STATS_EXT_PFC_ENTRY(0),                         \
208         BNXT_RX_STATS_EXT_PFC_ENTRY(1),                         \
209         BNXT_RX_STATS_EXT_PFC_ENTRY(2),                         \
210         BNXT_RX_STATS_EXT_PFC_ENTRY(3),                         \
211         BNXT_RX_STATS_EXT_PFC_ENTRY(4),                         \
212         BNXT_RX_STATS_EXT_PFC_ENTRY(5),                         \
213         BNXT_RX_STATS_EXT_PFC_ENTRY(6),                         \
214         BNXT_RX_STATS_EXT_PFC_ENTRY(7)
215
216 #define BNXT_TX_STATS_EXT_PFC_ENTRIES                           \
217         BNXT_TX_STATS_EXT_PFC_ENTRY(0),                         \
218         BNXT_TX_STATS_EXT_PFC_ENTRY(1),                         \
219         BNXT_TX_STATS_EXT_PFC_ENTRY(2),                         \
220         BNXT_TX_STATS_EXT_PFC_ENTRY(3),                         \
221         BNXT_TX_STATS_EXT_PFC_ENTRY(4),                         \
222         BNXT_TX_STATS_EXT_PFC_ENTRY(5),                         \
223         BNXT_TX_STATS_EXT_PFC_ENTRY(6),                         \
224         BNXT_TX_STATS_EXT_PFC_ENTRY(7)
225
226 #define BNXT_RX_STATS_EXT_COS_ENTRY(n)                          \
227         BNXT_RX_STATS_EXT_ENTRY(rx_bytes_cos##n),               \
228         BNXT_RX_STATS_EXT_ENTRY(rx_packets_cos##n)
229
230 #define BNXT_TX_STATS_EXT_COS_ENTRY(n)                          \
231         BNXT_TX_STATS_EXT_ENTRY(tx_bytes_cos##n),               \
232         BNXT_TX_STATS_EXT_ENTRY(tx_packets_cos##n)
233
234 #define BNXT_RX_STATS_EXT_COS_ENTRIES                           \
235         BNXT_RX_STATS_EXT_COS_ENTRY(0),                         \
236         BNXT_RX_STATS_EXT_COS_ENTRY(1),                         \
237         BNXT_RX_STATS_EXT_COS_ENTRY(2),                         \
238         BNXT_RX_STATS_EXT_COS_ENTRY(3),                         \
239         BNXT_RX_STATS_EXT_COS_ENTRY(4),                         \
240         BNXT_RX_STATS_EXT_COS_ENTRY(5),                         \
241         BNXT_RX_STATS_EXT_COS_ENTRY(6),                         \
242         BNXT_RX_STATS_EXT_COS_ENTRY(7)                          \
243
244 #define BNXT_TX_STATS_EXT_COS_ENTRIES                           \
245         BNXT_TX_STATS_EXT_COS_ENTRY(0),                         \
246         BNXT_TX_STATS_EXT_COS_ENTRY(1),                         \
247         BNXT_TX_STATS_EXT_COS_ENTRY(2),                         \
248         BNXT_TX_STATS_EXT_COS_ENTRY(3),                         \
249         BNXT_TX_STATS_EXT_COS_ENTRY(4),                         \
250         BNXT_TX_STATS_EXT_COS_ENTRY(5),                         \
251         BNXT_TX_STATS_EXT_COS_ENTRY(6),                         \
252         BNXT_TX_STATS_EXT_COS_ENTRY(7)                          \
253
254 #define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(n)                  \
255         BNXT_RX_STATS_EXT_ENTRY(rx_discard_bytes_cos##n),       \
256         BNXT_RX_STATS_EXT_ENTRY(rx_discard_packets_cos##n)
257
258 #define BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES                           \
259         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(0),                         \
260         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(1),                         \
261         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(2),                         \
262         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(3),                         \
263         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(4),                         \
264         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(5),                         \
265         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(6),                         \
266         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRY(7)
267
268 #define BNXT_RX_STATS_PRI_ENTRY(counter, n)             \
269         { BNXT_RX_STATS_EXT_OFFSET(counter##_cos0),     \
270           __stringify(counter##_pri##n) }
271
272 #define BNXT_TX_STATS_PRI_ENTRY(counter, n)             \
273         { BNXT_TX_STATS_EXT_OFFSET(counter##_cos0),     \
274           __stringify(counter##_pri##n) }
275
276 #define BNXT_RX_STATS_PRI_ENTRIES(counter)              \
277         BNXT_RX_STATS_PRI_ENTRY(counter, 0),            \
278         BNXT_RX_STATS_PRI_ENTRY(counter, 1),            \
279         BNXT_RX_STATS_PRI_ENTRY(counter, 2),            \
280         BNXT_RX_STATS_PRI_ENTRY(counter, 3),            \
281         BNXT_RX_STATS_PRI_ENTRY(counter, 4),            \
282         BNXT_RX_STATS_PRI_ENTRY(counter, 5),            \
283         BNXT_RX_STATS_PRI_ENTRY(counter, 6),            \
284         BNXT_RX_STATS_PRI_ENTRY(counter, 7)
285
286 #define BNXT_TX_STATS_PRI_ENTRIES(counter)              \
287         BNXT_TX_STATS_PRI_ENTRY(counter, 0),            \
288         BNXT_TX_STATS_PRI_ENTRY(counter, 1),            \
289         BNXT_TX_STATS_PRI_ENTRY(counter, 2),            \
290         BNXT_TX_STATS_PRI_ENTRY(counter, 3),            \
291         BNXT_TX_STATS_PRI_ENTRY(counter, 4),            \
292         BNXT_TX_STATS_PRI_ENTRY(counter, 5),            \
293         BNXT_TX_STATS_PRI_ENTRY(counter, 6),            \
294         BNXT_TX_STATS_PRI_ENTRY(counter, 7)
295
296 enum {
297         RX_TOTAL_DISCARDS,
298         TX_TOTAL_DISCARDS,
299 };
300
301 static struct {
302         u64                     counter;
303         char                    string[ETH_GSTRING_LEN];
304 } bnxt_sw_func_stats[] = {
305         {0, "rx_total_discard_pkts"},
306         {0, "tx_total_discard_pkts"},
307 };
308
309 #define NUM_RING_RX_SW_STATS            ARRAY_SIZE(bnxt_rx_sw_stats_str)
310 #define NUM_RING_CMN_SW_STATS           ARRAY_SIZE(bnxt_cmn_sw_stats_str)
311 #define NUM_RING_RX_HW_STATS            ARRAY_SIZE(bnxt_ring_rx_stats_str)
312 #define NUM_RING_TX_HW_STATS            ARRAY_SIZE(bnxt_ring_tx_stats_str)
313
314 static const struct {
315         long offset;
316         char string[ETH_GSTRING_LEN];
317 } bnxt_port_stats_arr[] = {
318         BNXT_RX_STATS_ENTRY(rx_64b_frames),
319         BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
320         BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
321         BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
322         BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
323         BNXT_RX_STATS_ENTRY(rx_1024b_1518b_frames),
324         BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
325         BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
326         BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
327         BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
328         BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
329         BNXT_RX_STATS_ENTRY(rx_total_frames),
330         BNXT_RX_STATS_ENTRY(rx_ucast_frames),
331         BNXT_RX_STATS_ENTRY(rx_mcast_frames),
332         BNXT_RX_STATS_ENTRY(rx_bcast_frames),
333         BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
334         BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
335         BNXT_RX_STATS_ENTRY(rx_pause_frames),
336         BNXT_RX_STATS_ENTRY(rx_pfc_frames),
337         BNXT_RX_STATS_ENTRY(rx_align_err_frames),
338         BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
339         BNXT_RX_STATS_ENTRY(rx_jbr_frames),
340         BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
341         BNXT_RX_STATS_ENTRY(rx_tagged_frames),
342         BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
343         BNXT_RX_STATS_ENTRY(rx_good_frames),
344         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
345         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
346         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
347         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
348         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
349         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
350         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
351         BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
352         BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
353         BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
354         BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
355         BNXT_RX_STATS_ENTRY(rx_bytes),
356         BNXT_RX_STATS_ENTRY(rx_runt_bytes),
357         BNXT_RX_STATS_ENTRY(rx_runt_frames),
358         BNXT_RX_STATS_ENTRY(rx_stat_discard),
359         BNXT_RX_STATS_ENTRY(rx_stat_err),
360
361         BNXT_TX_STATS_ENTRY(tx_64b_frames),
362         BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
363         BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
364         BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
365         BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
366         BNXT_TX_STATS_ENTRY(tx_1024b_1518b_frames),
367         BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
368         BNXT_TX_STATS_ENTRY(tx_1519b_2047b_frames),
369         BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
370         BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
371         BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
372         BNXT_TX_STATS_ENTRY(tx_good_frames),
373         BNXT_TX_STATS_ENTRY(tx_total_frames),
374         BNXT_TX_STATS_ENTRY(tx_ucast_frames),
375         BNXT_TX_STATS_ENTRY(tx_mcast_frames),
376         BNXT_TX_STATS_ENTRY(tx_bcast_frames),
377         BNXT_TX_STATS_ENTRY(tx_pause_frames),
378         BNXT_TX_STATS_ENTRY(tx_pfc_frames),
379         BNXT_TX_STATS_ENTRY(tx_jabber_frames),
380         BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
381         BNXT_TX_STATS_ENTRY(tx_err),
382         BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
383         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
384         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
385         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
386         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
387         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
388         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
389         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
390         BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
391         BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
392         BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
393         BNXT_TX_STATS_ENTRY(tx_total_collisions),
394         BNXT_TX_STATS_ENTRY(tx_bytes),
395         BNXT_TX_STATS_ENTRY(tx_xthol_frames),
396         BNXT_TX_STATS_ENTRY(tx_stat_discard),
397         BNXT_TX_STATS_ENTRY(tx_stat_error),
398 };
399
400 static const struct {
401         long offset;
402         char string[ETH_GSTRING_LEN];
403 } bnxt_port_stats_ext_arr[] = {
404         BNXT_RX_STATS_EXT_ENTRY(link_down_events),
405         BNXT_RX_STATS_EXT_ENTRY(continuous_pause_events),
406         BNXT_RX_STATS_EXT_ENTRY(resume_pause_events),
407         BNXT_RX_STATS_EXT_ENTRY(continuous_roce_pause_events),
408         BNXT_RX_STATS_EXT_ENTRY(resume_roce_pause_events),
409         BNXT_RX_STATS_EXT_COS_ENTRIES,
410         BNXT_RX_STATS_EXT_PFC_ENTRIES,
411         BNXT_RX_STATS_EXT_ENTRY(rx_bits),
412         BNXT_RX_STATS_EXT_ENTRY(rx_buffer_passed_threshold),
413         BNXT_RX_STATS_EXT_ENTRY(rx_pcs_symbol_err),
414         BNXT_RX_STATS_EXT_ENTRY(rx_corrected_bits),
415         BNXT_RX_STATS_EXT_DISCARD_COS_ENTRIES,
416 };
417
418 static const struct {
419         long offset;
420         char string[ETH_GSTRING_LEN];
421 } bnxt_tx_port_stats_ext_arr[] = {
422         BNXT_TX_STATS_EXT_COS_ENTRIES,
423         BNXT_TX_STATS_EXT_PFC_ENTRIES,
424 };
425
426 static const struct {
427         long base_off;
428         char string[ETH_GSTRING_LEN];
429 } bnxt_rx_bytes_pri_arr[] = {
430         BNXT_RX_STATS_PRI_ENTRIES(rx_bytes),
431 };
432
433 static const struct {
434         long base_off;
435         char string[ETH_GSTRING_LEN];
436 } bnxt_rx_pkts_pri_arr[] = {
437         BNXT_RX_STATS_PRI_ENTRIES(rx_packets),
438 };
439
440 static const struct {
441         long base_off;
442         char string[ETH_GSTRING_LEN];
443 } bnxt_tx_bytes_pri_arr[] = {
444         BNXT_TX_STATS_PRI_ENTRIES(tx_bytes),
445 };
446
447 static const struct {
448         long base_off;
449         char string[ETH_GSTRING_LEN];
450 } bnxt_tx_pkts_pri_arr[] = {
451         BNXT_TX_STATS_PRI_ENTRIES(tx_packets),
452 };
453
454 #define BNXT_NUM_SW_FUNC_STATS  ARRAY_SIZE(bnxt_sw_func_stats)
455 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
456 #define BNXT_NUM_STATS_PRI                      \
457         (ARRAY_SIZE(bnxt_rx_bytes_pri_arr) +    \
458          ARRAY_SIZE(bnxt_rx_pkts_pri_arr) +     \
459          ARRAY_SIZE(bnxt_tx_bytes_pri_arr) +    \
460          ARRAY_SIZE(bnxt_tx_pkts_pri_arr))
461
462 static int bnxt_get_num_tpa_ring_stats(struct bnxt *bp)
463 {
464         if (BNXT_SUPPORTS_TPA(bp)) {
465                 if (bp->max_tpa_v2)
466                         return ARRAY_SIZE(bnxt_ring_tpa2_stats_str);
467                 return ARRAY_SIZE(bnxt_ring_tpa_stats_str);
468         }
469         return 0;
470 }
471
472 static int bnxt_get_num_ring_stats(struct bnxt *bp)
473 {
474         int rx, tx, cmn;
475
476         rx = NUM_RING_RX_HW_STATS + NUM_RING_RX_SW_STATS +
477              bnxt_get_num_tpa_ring_stats(bp);
478         tx = NUM_RING_TX_HW_STATS;
479         cmn = NUM_RING_CMN_SW_STATS;
480         return rx * bp->rx_nr_rings + tx * bp->tx_nr_rings +
481                cmn * bp->cp_nr_rings;
482 }
483
484 static int bnxt_get_num_stats(struct bnxt *bp)
485 {
486         int num_stats = bnxt_get_num_ring_stats(bp);
487
488         num_stats += BNXT_NUM_SW_FUNC_STATS;
489
490         if (bp->flags & BNXT_FLAG_PORT_STATS)
491                 num_stats += BNXT_NUM_PORT_STATS;
492
493         if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
494                 num_stats += bp->fw_rx_stats_ext_size +
495                              bp->fw_tx_stats_ext_size;
496                 if (bp->pri2cos_valid)
497                         num_stats += BNXT_NUM_STATS_PRI;
498         }
499
500         return num_stats;
501 }
502
503 static int bnxt_get_sset_count(struct net_device *dev, int sset)
504 {
505         struct bnxt *bp = netdev_priv(dev);
506
507         switch (sset) {
508         case ETH_SS_STATS:
509                 return bnxt_get_num_stats(bp);
510         case ETH_SS_TEST:
511                 if (!bp->num_tests)
512                         return -EOPNOTSUPP;
513                 return bp->num_tests;
514         default:
515                 return -EOPNOTSUPP;
516         }
517 }
518
519 static bool is_rx_ring(struct bnxt *bp, int ring_num)
520 {
521         return ring_num < bp->rx_nr_rings;
522 }
523
524 static bool is_tx_ring(struct bnxt *bp, int ring_num)
525 {
526         int tx_base = 0;
527
528         if (!(bp->flags & BNXT_FLAG_SHARED_RINGS))
529                 tx_base = bp->rx_nr_rings;
530
531         if (ring_num >= tx_base && ring_num < (tx_base + bp->tx_nr_rings))
532                 return true;
533         return false;
534 }
535
536 static void bnxt_get_ethtool_stats(struct net_device *dev,
537                                    struct ethtool_stats *stats, u64 *buf)
538 {
539         u32 i, j = 0;
540         struct bnxt *bp = netdev_priv(dev);
541         u32 tpa_stats;
542
543         if (!bp->bnapi) {
544                 j += bnxt_get_num_ring_stats(bp) + BNXT_NUM_SW_FUNC_STATS;
545                 goto skip_ring_stats;
546         }
547
548         for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++)
549                 bnxt_sw_func_stats[i].counter = 0;
550
551         tpa_stats = bnxt_get_num_tpa_ring_stats(bp);
552         for (i = 0; i < bp->cp_nr_rings; i++) {
553                 struct bnxt_napi *bnapi = bp->bnapi[i];
554                 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
555                 u64 *sw_stats = cpr->stats.sw_stats;
556                 u64 *sw;
557                 int k;
558
559                 if (is_rx_ring(bp, i)) {
560                         for (k = 0; k < NUM_RING_RX_HW_STATS; j++, k++)
561                                 buf[j] = sw_stats[k];
562                 }
563                 if (is_tx_ring(bp, i)) {
564                         k = NUM_RING_RX_HW_STATS;
565                         for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
566                                j++, k++)
567                                 buf[j] = sw_stats[k];
568                 }
569                 if (!tpa_stats || !is_rx_ring(bp, i))
570                         goto skip_tpa_ring_stats;
571
572                 k = NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS;
573                 for (; k < NUM_RING_RX_HW_STATS + NUM_RING_TX_HW_STATS +
574                            tpa_stats; j++, k++)
575                         buf[j] = sw_stats[k];
576
577 skip_tpa_ring_stats:
578                 sw = (u64 *)&cpr->sw_stats.rx;
579                 if (is_rx_ring(bp, i)) {
580                         for (k = 0; k < NUM_RING_RX_SW_STATS; j++, k++)
581                                 buf[j] = sw[k];
582                 }
583
584                 sw = (u64 *)&cpr->sw_stats.cmn;
585                 for (k = 0; k < NUM_RING_CMN_SW_STATS; j++, k++)
586                         buf[j] = sw[k];
587
588                 bnxt_sw_func_stats[RX_TOTAL_DISCARDS].counter +=
589                         BNXT_GET_RING_STATS64(sw_stats, rx_discard_pkts);
590                 bnxt_sw_func_stats[TX_TOTAL_DISCARDS].counter +=
591                         BNXT_GET_RING_STATS64(sw_stats, tx_discard_pkts);
592         }
593
594         for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++, j++)
595                 buf[j] = bnxt_sw_func_stats[i].counter;
596
597 skip_ring_stats:
598         if (bp->flags & BNXT_FLAG_PORT_STATS) {
599                 u64 *port_stats = bp->port_stats.sw_stats;
600
601                 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++)
602                         buf[j] = *(port_stats + bnxt_port_stats_arr[i].offset);
603         }
604         if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
605                 u64 *rx_port_stats_ext = bp->rx_port_stats_ext.sw_stats;
606                 u64 *tx_port_stats_ext = bp->tx_port_stats_ext.sw_stats;
607
608                 for (i = 0; i < bp->fw_rx_stats_ext_size; i++, j++) {
609                         buf[j] = *(rx_port_stats_ext +
610                                    bnxt_port_stats_ext_arr[i].offset);
611                 }
612                 for (i = 0; i < bp->fw_tx_stats_ext_size; i++, j++) {
613                         buf[j] = *(tx_port_stats_ext +
614                                    bnxt_tx_port_stats_ext_arr[i].offset);
615                 }
616                 if (bp->pri2cos_valid) {
617                         for (i = 0; i < 8; i++, j++) {
618                                 long n = bnxt_rx_bytes_pri_arr[i].base_off +
619                                          bp->pri2cos_idx[i];
620
621                                 buf[j] = *(rx_port_stats_ext + n);
622                         }
623                         for (i = 0; i < 8; i++, j++) {
624                                 long n = bnxt_rx_pkts_pri_arr[i].base_off +
625                                          bp->pri2cos_idx[i];
626
627                                 buf[j] = *(rx_port_stats_ext + n);
628                         }
629                         for (i = 0; i < 8; i++, j++) {
630                                 long n = bnxt_tx_bytes_pri_arr[i].base_off +
631                                          bp->pri2cos_idx[i];
632
633                                 buf[j] = *(tx_port_stats_ext + n);
634                         }
635                         for (i = 0; i < 8; i++, j++) {
636                                 long n = bnxt_tx_pkts_pri_arr[i].base_off +
637                                          bp->pri2cos_idx[i];
638
639                                 buf[j] = *(tx_port_stats_ext + n);
640                         }
641                 }
642         }
643 }
644
645 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
646 {
647         struct bnxt *bp = netdev_priv(dev);
648         static const char * const *str;
649         u32 i, j, num_str;
650
651         switch (stringset) {
652         case ETH_SS_STATS:
653                 for (i = 0; i < bp->cp_nr_rings; i++) {
654                         if (is_rx_ring(bp, i)) {
655                                 num_str = NUM_RING_RX_HW_STATS;
656                                 for (j = 0; j < num_str; j++) {
657                                         sprintf(buf, "[%d]: %s", i,
658                                                 bnxt_ring_rx_stats_str[j]);
659                                         buf += ETH_GSTRING_LEN;
660                                 }
661                         }
662                         if (is_tx_ring(bp, i)) {
663                                 num_str = NUM_RING_TX_HW_STATS;
664                                 for (j = 0; j < num_str; j++) {
665                                         sprintf(buf, "[%d]: %s", i,
666                                                 bnxt_ring_tx_stats_str[j]);
667                                         buf += ETH_GSTRING_LEN;
668                                 }
669                         }
670                         num_str = bnxt_get_num_tpa_ring_stats(bp);
671                         if (!num_str || !is_rx_ring(bp, i))
672                                 goto skip_tpa_stats;
673
674                         if (bp->max_tpa_v2)
675                                 str = bnxt_ring_tpa2_stats_str;
676                         else
677                                 str = bnxt_ring_tpa_stats_str;
678
679                         for (j = 0; j < num_str; j++) {
680                                 sprintf(buf, "[%d]: %s", i, str[j]);
681                                 buf += ETH_GSTRING_LEN;
682                         }
683 skip_tpa_stats:
684                         if (is_rx_ring(bp, i)) {
685                                 num_str = NUM_RING_RX_SW_STATS;
686                                 for (j = 0; j < num_str; j++) {
687                                         sprintf(buf, "[%d]: %s", i,
688                                                 bnxt_rx_sw_stats_str[j]);
689                                         buf += ETH_GSTRING_LEN;
690                                 }
691                         }
692                         num_str = NUM_RING_CMN_SW_STATS;
693                         for (j = 0; j < num_str; j++) {
694                                 sprintf(buf, "[%d]: %s", i,
695                                         bnxt_cmn_sw_stats_str[j]);
696                                 buf += ETH_GSTRING_LEN;
697                         }
698                 }
699                 for (i = 0; i < BNXT_NUM_SW_FUNC_STATS; i++) {
700                         strcpy(buf, bnxt_sw_func_stats[i].string);
701                         buf += ETH_GSTRING_LEN;
702                 }
703
704                 if (bp->flags & BNXT_FLAG_PORT_STATS) {
705                         for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
706                                 strcpy(buf, bnxt_port_stats_arr[i].string);
707                                 buf += ETH_GSTRING_LEN;
708                         }
709                 }
710                 if (bp->flags & BNXT_FLAG_PORT_STATS_EXT) {
711                         for (i = 0; i < bp->fw_rx_stats_ext_size; i++) {
712                                 strcpy(buf, bnxt_port_stats_ext_arr[i].string);
713                                 buf += ETH_GSTRING_LEN;
714                         }
715                         for (i = 0; i < bp->fw_tx_stats_ext_size; i++) {
716                                 strcpy(buf,
717                                        bnxt_tx_port_stats_ext_arr[i].string);
718                                 buf += ETH_GSTRING_LEN;
719                         }
720                         if (bp->pri2cos_valid) {
721                                 for (i = 0; i < 8; i++) {
722                                         strcpy(buf,
723                                                bnxt_rx_bytes_pri_arr[i].string);
724                                         buf += ETH_GSTRING_LEN;
725                                 }
726                                 for (i = 0; i < 8; i++) {
727                                         strcpy(buf,
728                                                bnxt_rx_pkts_pri_arr[i].string);
729                                         buf += ETH_GSTRING_LEN;
730                                 }
731                                 for (i = 0; i < 8; i++) {
732                                         strcpy(buf,
733                                                bnxt_tx_bytes_pri_arr[i].string);
734                                         buf += ETH_GSTRING_LEN;
735                                 }
736                                 for (i = 0; i < 8; i++) {
737                                         strcpy(buf,
738                                                bnxt_tx_pkts_pri_arr[i].string);
739                                         buf += ETH_GSTRING_LEN;
740                                 }
741                         }
742                 }
743                 break;
744         case ETH_SS_TEST:
745                 if (bp->num_tests)
746                         memcpy(buf, bp->test_info->string,
747                                bp->num_tests * ETH_GSTRING_LEN);
748                 break;
749         default:
750                 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
751                            stringset);
752                 break;
753         }
754 }
755
756 static void bnxt_get_ringparam(struct net_device *dev,
757                                struct ethtool_ringparam *ering)
758 {
759         struct bnxt *bp = netdev_priv(dev);
760
761         ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
762         ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
763         ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
764
765         ering->rx_pending = bp->rx_ring_size;
766         ering->rx_jumbo_pending = bp->rx_agg_ring_size;
767         ering->tx_pending = bp->tx_ring_size;
768 }
769
770 static int bnxt_set_ringparam(struct net_device *dev,
771                               struct ethtool_ringparam *ering)
772 {
773         struct bnxt *bp = netdev_priv(dev);
774
775         if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
776             (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
777             (ering->tx_pending <= MAX_SKB_FRAGS))
778                 return -EINVAL;
779
780         if (netif_running(dev))
781                 bnxt_close_nic(bp, false, false);
782
783         bp->rx_ring_size = ering->rx_pending;
784         bp->tx_ring_size = ering->tx_pending;
785         bnxt_set_ring_params(bp);
786
787         if (netif_running(dev))
788                 return bnxt_open_nic(bp, false, false);
789
790         return 0;
791 }
792
793 static void bnxt_get_channels(struct net_device *dev,
794                               struct ethtool_channels *channel)
795 {
796         struct bnxt *bp = netdev_priv(dev);
797         struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
798         int max_rx_rings, max_tx_rings, tcs;
799         int max_tx_sch_inputs;
800
801         /* Get the most up-to-date max_tx_sch_inputs. */
802         if (netif_running(dev) && BNXT_NEW_RM(bp))
803                 bnxt_hwrm_func_resc_qcaps(bp, false);
804         max_tx_sch_inputs = hw_resc->max_tx_sch_inputs;
805
806         bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
807         if (max_tx_sch_inputs)
808                 max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
809         channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
810
811         if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
812                 max_rx_rings = 0;
813                 max_tx_rings = 0;
814         }
815         if (max_tx_sch_inputs)
816                 max_tx_rings = min_t(int, max_tx_rings, max_tx_sch_inputs);
817
818         tcs = netdev_get_num_tc(dev);
819         if (tcs > 1)
820                 max_tx_rings /= tcs;
821
822         channel->max_rx = max_rx_rings;
823         channel->max_tx = max_tx_rings;
824         channel->max_other = 0;
825         if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
826                 channel->combined_count = bp->rx_nr_rings;
827                 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
828                         channel->combined_count--;
829         } else {
830                 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
831                         channel->rx_count = bp->rx_nr_rings;
832                         channel->tx_count = bp->tx_nr_rings_per_tc;
833                 }
834         }
835 }
836
837 static int bnxt_set_channels(struct net_device *dev,
838                              struct ethtool_channels *channel)
839 {
840         struct bnxt *bp = netdev_priv(dev);
841         int req_tx_rings, req_rx_rings, tcs;
842         bool sh = false;
843         int tx_xdp = 0;
844         int rc = 0;
845
846         if (channel->other_count)
847                 return -EINVAL;
848
849         if (!channel->combined_count &&
850             (!channel->rx_count || !channel->tx_count))
851                 return -EINVAL;
852
853         if (channel->combined_count &&
854             (channel->rx_count || channel->tx_count))
855                 return -EINVAL;
856
857         if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
858                                             channel->tx_count))
859                 return -EINVAL;
860
861         if (channel->combined_count)
862                 sh = true;
863
864         tcs = netdev_get_num_tc(dev);
865
866         req_tx_rings = sh ? channel->combined_count : channel->tx_count;
867         req_rx_rings = sh ? channel->combined_count : channel->rx_count;
868         if (bp->tx_nr_rings_xdp) {
869                 if (!sh) {
870                         netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
871                         return -EINVAL;
872                 }
873                 tx_xdp = req_rx_rings;
874         }
875         rc = bnxt_check_rings(bp, req_tx_rings, req_rx_rings, sh, tcs, tx_xdp);
876         if (rc) {
877                 netdev_warn(dev, "Unable to allocate the requested rings\n");
878                 return rc;
879         }
880
881         if (bnxt_get_nr_rss_ctxs(bp, req_rx_rings) !=
882             bnxt_get_nr_rss_ctxs(bp, bp->rx_nr_rings) &&
883             (dev->priv_flags & IFF_RXFH_CONFIGURED)) {
884                 netdev_warn(dev, "RSS table size change required, RSS table entries must be default to proceed\n");
885                 return -EINVAL;
886         }
887
888         if (netif_running(dev)) {
889                 if (BNXT_PF(bp)) {
890                         /* TODO CHIMP_FW: Send message to all VF's
891                          * before PF unload
892                          */
893                 }
894                 rc = bnxt_close_nic(bp, true, false);
895                 if (rc) {
896                         netdev_err(bp->dev, "Set channel failure rc :%x\n",
897                                    rc);
898                         return rc;
899                 }
900         }
901
902         if (sh) {
903                 bp->flags |= BNXT_FLAG_SHARED_RINGS;
904                 bp->rx_nr_rings = channel->combined_count;
905                 bp->tx_nr_rings_per_tc = channel->combined_count;
906         } else {
907                 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
908                 bp->rx_nr_rings = channel->rx_count;
909                 bp->tx_nr_rings_per_tc = channel->tx_count;
910         }
911         bp->tx_nr_rings_xdp = tx_xdp;
912         bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
913         if (tcs > 1)
914                 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
915
916         bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
917                                bp->tx_nr_rings + bp->rx_nr_rings;
918
919         /* After changing number of rx channels, update NTUPLE feature. */
920         netdev_update_features(dev);
921         if (netif_running(dev)) {
922                 rc = bnxt_open_nic(bp, true, false);
923                 if ((!rc) && BNXT_PF(bp)) {
924                         /* TODO CHIMP_FW: Send message to all VF's
925                          * to renable
926                          */
927                 }
928         } else {
929                 rc = bnxt_reserve_rings(bp, true);
930         }
931
932         return rc;
933 }
934
935 #ifdef CONFIG_RFS_ACCEL
936 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
937                             u32 *rule_locs)
938 {
939         int i, j = 0;
940
941         cmd->data = bp->ntp_fltr_count;
942         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
943                 struct hlist_head *head;
944                 struct bnxt_ntuple_filter *fltr;
945
946                 head = &bp->ntp_fltr_hash_tbl[i];
947                 rcu_read_lock();
948                 hlist_for_each_entry_rcu(fltr, head, hash) {
949                         if (j == cmd->rule_cnt)
950                                 break;
951                         rule_locs[j++] = fltr->sw_id;
952                 }
953                 rcu_read_unlock();
954                 if (j == cmd->rule_cnt)
955                         break;
956         }
957         cmd->rule_cnt = j;
958         return 0;
959 }
960
961 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
962 {
963         struct ethtool_rx_flow_spec *fs =
964                 (struct ethtool_rx_flow_spec *)&cmd->fs;
965         struct bnxt_ntuple_filter *fltr;
966         struct flow_keys *fkeys;
967         int i, rc = -EINVAL;
968
969         if (fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
970                 return rc;
971
972         for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
973                 struct hlist_head *head;
974
975                 head = &bp->ntp_fltr_hash_tbl[i];
976                 rcu_read_lock();
977                 hlist_for_each_entry_rcu(fltr, head, hash) {
978                         if (fltr->sw_id == fs->location)
979                                 goto fltr_found;
980                 }
981                 rcu_read_unlock();
982         }
983         return rc;
984
985 fltr_found:
986         fkeys = &fltr->fkeys;
987         if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
988                 if (fkeys->basic.ip_proto == IPPROTO_TCP)
989                         fs->flow_type = TCP_V4_FLOW;
990                 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
991                         fs->flow_type = UDP_V4_FLOW;
992                 else
993                         goto fltr_err;
994
995                 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
996                 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
997
998                 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
999                 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
1000
1001                 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
1002                 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
1003
1004                 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
1005                 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
1006         } else {
1007                 int i;
1008
1009                 if (fkeys->basic.ip_proto == IPPROTO_TCP)
1010                         fs->flow_type = TCP_V6_FLOW;
1011                 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
1012                         fs->flow_type = UDP_V6_FLOW;
1013                 else
1014                         goto fltr_err;
1015
1016                 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
1017                         fkeys->addrs.v6addrs.src;
1018                 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
1019                         fkeys->addrs.v6addrs.dst;
1020                 for (i = 0; i < 4; i++) {
1021                         fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
1022                         fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
1023                 }
1024                 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
1025                 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
1026
1027                 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
1028                 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
1029         }
1030
1031         fs->ring_cookie = fltr->rxq;
1032         rc = 0;
1033
1034 fltr_err:
1035         rcu_read_unlock();
1036
1037         return rc;
1038 }
1039 #endif
1040
1041 static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
1042 {
1043         if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
1044                 return RXH_IP_SRC | RXH_IP_DST;
1045         return 0;
1046 }
1047
1048 static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
1049 {
1050         if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
1051                 return RXH_IP_SRC | RXH_IP_DST;
1052         return 0;
1053 }
1054
1055 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
1056 {
1057         cmd->data = 0;
1058         switch (cmd->flow_type) {
1059         case TCP_V4_FLOW:
1060                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
1061                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1062                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1063                 cmd->data |= get_ethtool_ipv4_rss(bp);
1064                 break;
1065         case UDP_V4_FLOW:
1066                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
1067                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1068                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1069                 fallthrough;
1070         case SCTP_V4_FLOW:
1071         case AH_ESP_V4_FLOW:
1072         case AH_V4_FLOW:
1073         case ESP_V4_FLOW:
1074         case IPV4_FLOW:
1075                 cmd->data |= get_ethtool_ipv4_rss(bp);
1076                 break;
1077
1078         case TCP_V6_FLOW:
1079                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
1080                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1081                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1082                 cmd->data |= get_ethtool_ipv6_rss(bp);
1083                 break;
1084         case UDP_V6_FLOW:
1085                 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
1086                         cmd->data |= RXH_IP_SRC | RXH_IP_DST |
1087                                      RXH_L4_B_0_1 | RXH_L4_B_2_3;
1088                 fallthrough;
1089         case SCTP_V6_FLOW:
1090         case AH_ESP_V6_FLOW:
1091         case AH_V6_FLOW:
1092         case ESP_V6_FLOW:
1093         case IPV6_FLOW:
1094                 cmd->data |= get_ethtool_ipv6_rss(bp);
1095                 break;
1096         }
1097         return 0;
1098 }
1099
1100 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
1101 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
1102
1103 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
1104 {
1105         u32 rss_hash_cfg = bp->rss_hash_cfg;
1106         int tuple, rc = 0;
1107
1108         if (cmd->data == RXH_4TUPLE)
1109                 tuple = 4;
1110         else if (cmd->data == RXH_2TUPLE)
1111                 tuple = 2;
1112         else if (!cmd->data)
1113                 tuple = 0;
1114         else
1115                 return -EINVAL;
1116
1117         if (cmd->flow_type == TCP_V4_FLOW) {
1118                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
1119                 if (tuple == 4)
1120                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
1121         } else if (cmd->flow_type == UDP_V4_FLOW) {
1122                 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
1123                         return -EINVAL;
1124                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
1125                 if (tuple == 4)
1126                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
1127         } else if (cmd->flow_type == TCP_V6_FLOW) {
1128                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
1129                 if (tuple == 4)
1130                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
1131         } else if (cmd->flow_type == UDP_V6_FLOW) {
1132                 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
1133                         return -EINVAL;
1134                 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
1135                 if (tuple == 4)
1136                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
1137         } else if (tuple == 4) {
1138                 return -EINVAL;
1139         }
1140
1141         switch (cmd->flow_type) {
1142         case TCP_V4_FLOW:
1143         case UDP_V4_FLOW:
1144         case SCTP_V4_FLOW:
1145         case AH_ESP_V4_FLOW:
1146         case AH_V4_FLOW:
1147         case ESP_V4_FLOW:
1148         case IPV4_FLOW:
1149                 if (tuple == 2)
1150                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
1151                 else if (!tuple)
1152                         rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
1153                 break;
1154
1155         case TCP_V6_FLOW:
1156         case UDP_V6_FLOW:
1157         case SCTP_V6_FLOW:
1158         case AH_ESP_V6_FLOW:
1159         case AH_V6_FLOW:
1160         case ESP_V6_FLOW:
1161         case IPV6_FLOW:
1162                 if (tuple == 2)
1163                         rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
1164                 else if (!tuple)
1165                         rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
1166                 break;
1167         }
1168
1169         if (bp->rss_hash_cfg == rss_hash_cfg)
1170                 return 0;
1171
1172         bp->rss_hash_cfg = rss_hash_cfg;
1173         if (netif_running(bp->dev)) {
1174                 bnxt_close_nic(bp, false, false);
1175                 rc = bnxt_open_nic(bp, false, false);
1176         }
1177         return rc;
1178 }
1179
1180 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
1181                           u32 *rule_locs)
1182 {
1183         struct bnxt *bp = netdev_priv(dev);
1184         int rc = 0;
1185
1186         switch (cmd->cmd) {
1187 #ifdef CONFIG_RFS_ACCEL
1188         case ETHTOOL_GRXRINGS:
1189                 cmd->data = bp->rx_nr_rings;
1190                 break;
1191
1192         case ETHTOOL_GRXCLSRLCNT:
1193                 cmd->rule_cnt = bp->ntp_fltr_count;
1194                 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
1195                 break;
1196
1197         case ETHTOOL_GRXCLSRLALL:
1198                 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
1199                 break;
1200
1201         case ETHTOOL_GRXCLSRULE:
1202                 rc = bnxt_grxclsrule(bp, cmd);
1203                 break;
1204 #endif
1205
1206         case ETHTOOL_GRXFH:
1207                 rc = bnxt_grxfh(bp, cmd);
1208                 break;
1209
1210         default:
1211                 rc = -EOPNOTSUPP;
1212                 break;
1213         }
1214
1215         return rc;
1216 }
1217
1218 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
1219 {
1220         struct bnxt *bp = netdev_priv(dev);
1221         int rc;
1222
1223         switch (cmd->cmd) {
1224         case ETHTOOL_SRXFH:
1225                 rc = bnxt_srxfh(bp, cmd);
1226                 break;
1227
1228         default:
1229                 rc = -EOPNOTSUPP;
1230                 break;
1231         }
1232         return rc;
1233 }
1234
1235 u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
1236 {
1237         struct bnxt *bp = netdev_priv(dev);
1238
1239         if (bp->flags & BNXT_FLAG_CHIP_P5)
1240                 return ALIGN(bp->rx_nr_rings, BNXT_RSS_TABLE_ENTRIES_P5);
1241         return HW_HASH_INDEX_SIZE;
1242 }
1243
1244 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
1245 {
1246         return HW_HASH_KEY_SIZE;
1247 }
1248
1249 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
1250                          u8 *hfunc)
1251 {
1252         struct bnxt *bp = netdev_priv(dev);
1253         struct bnxt_vnic_info *vnic;
1254         u32 i, tbl_size;
1255
1256         if (hfunc)
1257                 *hfunc = ETH_RSS_HASH_TOP;
1258
1259         if (!bp->vnic_info)
1260                 return 0;
1261
1262         vnic = &bp->vnic_info[0];
1263         if (indir && bp->rss_indir_tbl) {
1264                 tbl_size = bnxt_get_rxfh_indir_size(dev);
1265                 for (i = 0; i < tbl_size; i++)
1266                         indir[i] = bp->rss_indir_tbl[i];
1267         }
1268
1269         if (key && vnic->rss_hash_key)
1270                 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
1271
1272         return 0;
1273 }
1274
1275 static int bnxt_set_rxfh(struct net_device *dev, const u32 *indir,
1276                          const u8 *key, const u8 hfunc)
1277 {
1278         struct bnxt *bp = netdev_priv(dev);
1279         int rc = 0;
1280
1281         if (hfunc && hfunc != ETH_RSS_HASH_TOP)
1282                 return -EOPNOTSUPP;
1283
1284         if (key)
1285                 return -EOPNOTSUPP;
1286
1287         if (indir) {
1288                 u32 i, pad, tbl_size = bnxt_get_rxfh_indir_size(dev);
1289
1290                 for (i = 0; i < tbl_size; i++)
1291                         bp->rss_indir_tbl[i] = indir[i];
1292                 pad = bp->rss_indir_tbl_entries - tbl_size;
1293                 if (pad)
1294                         memset(&bp->rss_indir_tbl[i], 0, pad * sizeof(u16));
1295         }
1296
1297         if (netif_running(bp->dev)) {
1298                 bnxt_close_nic(bp, false, false);
1299                 rc = bnxt_open_nic(bp, false, false);
1300         }
1301         return rc;
1302 }
1303
1304 static void bnxt_get_drvinfo(struct net_device *dev,
1305                              struct ethtool_drvinfo *info)
1306 {
1307         struct bnxt *bp = netdev_priv(dev);
1308
1309         strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1310         strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
1311         strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1312         info->n_stats = bnxt_get_num_stats(bp);
1313         info->testinfo_len = bp->num_tests;
1314         /* TODO CHIMP_FW: eeprom dump details */
1315         info->eedump_len = 0;
1316         /* TODO CHIMP FW: reg dump details */
1317         info->regdump_len = 0;
1318 }
1319
1320 static int bnxt_get_regs_len(struct net_device *dev)
1321 {
1322         struct bnxt *bp = netdev_priv(dev);
1323         int reg_len;
1324
1325         if (!BNXT_PF(bp))
1326                 return -EOPNOTSUPP;
1327
1328         reg_len = BNXT_PXP_REG_LEN;
1329
1330         if (bp->fw_cap & BNXT_FW_CAP_PCIE_STATS_SUPPORTED)
1331                 reg_len += sizeof(struct pcie_ctx_hw_stats);
1332
1333         return reg_len;
1334 }
1335
1336 static void bnxt_get_regs(struct net_device *dev, struct ethtool_regs *regs,
1337                           void *_p)
1338 {
1339         struct pcie_ctx_hw_stats *hw_pcie_stats;
1340         struct hwrm_pcie_qstats_input req = {0};
1341         struct bnxt *bp = netdev_priv(dev);
1342         dma_addr_t hw_pcie_stats_addr;
1343         int rc;
1344
1345         regs->version = 0;
1346         bnxt_dbg_hwrm_rd_reg(bp, 0, BNXT_PXP_REG_LEN / 4, _p);
1347
1348         if (!(bp->fw_cap & BNXT_FW_CAP_PCIE_STATS_SUPPORTED))
1349                 return;
1350
1351         hw_pcie_stats = dma_alloc_coherent(&bp->pdev->dev,
1352                                            sizeof(*hw_pcie_stats),
1353                                            &hw_pcie_stats_addr, GFP_KERNEL);
1354         if (!hw_pcie_stats)
1355                 return;
1356
1357         regs->version = 1;
1358         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PCIE_QSTATS, -1, -1);
1359         req.pcie_stat_size = cpu_to_le16(sizeof(*hw_pcie_stats));
1360         req.pcie_stat_host_addr = cpu_to_le64(hw_pcie_stats_addr);
1361         mutex_lock(&bp->hwrm_cmd_lock);
1362         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1363         if (!rc) {
1364                 __le64 *src = (__le64 *)hw_pcie_stats;
1365                 u64 *dst = (u64 *)(_p + BNXT_PXP_REG_LEN);
1366                 int i;
1367
1368                 for (i = 0; i < sizeof(*hw_pcie_stats) / sizeof(__le64); i++)
1369                         dst[i] = le64_to_cpu(src[i]);
1370         }
1371         mutex_unlock(&bp->hwrm_cmd_lock);
1372         dma_free_coherent(&bp->pdev->dev, sizeof(*hw_pcie_stats), hw_pcie_stats,
1373                           hw_pcie_stats_addr);
1374 }
1375
1376 static void bnxt_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1377 {
1378         struct bnxt *bp = netdev_priv(dev);
1379
1380         wol->supported = 0;
1381         wol->wolopts = 0;
1382         memset(&wol->sopass, 0, sizeof(wol->sopass));
1383         if (bp->flags & BNXT_FLAG_WOL_CAP) {
1384                 wol->supported = WAKE_MAGIC;
1385                 if (bp->wol)
1386                         wol->wolopts = WAKE_MAGIC;
1387         }
1388 }
1389
1390 static int bnxt_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1391 {
1392         struct bnxt *bp = netdev_priv(dev);
1393
1394         if (wol->wolopts & ~WAKE_MAGIC)
1395                 return -EINVAL;
1396
1397         if (wol->wolopts & WAKE_MAGIC) {
1398                 if (!(bp->flags & BNXT_FLAG_WOL_CAP))
1399                         return -EINVAL;
1400                 if (!bp->wol) {
1401                         if (bnxt_hwrm_alloc_wol_fltr(bp))
1402                                 return -EBUSY;
1403                         bp->wol = 1;
1404                 }
1405         } else {
1406                 if (bp->wol) {
1407                         if (bnxt_hwrm_free_wol_fltr(bp))
1408                                 return -EBUSY;
1409                         bp->wol = 0;
1410                 }
1411         }
1412         return 0;
1413 }
1414
1415 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
1416 {
1417         u32 speed_mask = 0;
1418
1419         /* TODO: support 25GB, 40GB, 50GB with different cable type */
1420         /* set the advertised speeds */
1421         if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
1422                 speed_mask |= ADVERTISED_100baseT_Full;
1423         if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
1424                 speed_mask |= ADVERTISED_1000baseT_Full;
1425         if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
1426                 speed_mask |= ADVERTISED_2500baseX_Full;
1427         if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
1428                 speed_mask |= ADVERTISED_10000baseT_Full;
1429         if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
1430                 speed_mask |= ADVERTISED_40000baseCR4_Full;
1431
1432         if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
1433                 speed_mask |= ADVERTISED_Pause;
1434         else if (fw_pause & BNXT_LINK_PAUSE_TX)
1435                 speed_mask |= ADVERTISED_Asym_Pause;
1436         else if (fw_pause & BNXT_LINK_PAUSE_RX)
1437                 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
1438
1439         return speed_mask;
1440 }
1441
1442 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
1443 {                                                                       \
1444         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB)                    \
1445                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1446                                                      100baseT_Full);    \
1447         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB)                      \
1448                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1449                                                      1000baseT_Full);   \
1450         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB)                     \
1451                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1452                                                      10000baseT_Full);  \
1453         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB)                     \
1454                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1455                                                      25000baseCR_Full); \
1456         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB)                     \
1457                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1458                                                      40000baseCR4_Full);\
1459         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB)                     \
1460                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1461                                                      50000baseCR2_Full);\
1462         if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100GB)                    \
1463                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1464                                                      100000baseCR4_Full);\
1465         if ((fw_pause) & BNXT_LINK_PAUSE_RX) {                          \
1466                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1467                                                      Pause);            \
1468                 if (!((fw_pause) & BNXT_LINK_PAUSE_TX))                 \
1469                         ethtool_link_ksettings_add_link_mode(           \
1470                                         lk_ksettings, name, Asym_Pause);\
1471         } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) {                   \
1472                 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
1473                                                      Asym_Pause);       \
1474         }                                                               \
1475 }
1476
1477 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name)          \
1478 {                                                                       \
1479         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1480                                                   100baseT_Full) ||     \
1481             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1482                                                   100baseT_Half))       \
1483                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB;               \
1484         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1485                                                   1000baseT_Full) ||    \
1486             ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1487                                                   1000baseT_Half))      \
1488                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB;                 \
1489         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1490                                                   10000baseT_Full))     \
1491                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB;                \
1492         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1493                                                   25000baseCR_Full))    \
1494                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB;                \
1495         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1496                                                   40000baseCR4_Full))   \
1497                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB;                \
1498         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1499                                                   50000baseCR2_Full))   \
1500                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB;                \
1501         if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name,   \
1502                                                   100000baseCR4_Full))  \
1503                 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100GB;               \
1504 }
1505
1506 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
1507                                 struct ethtool_link_ksettings *lk_ksettings)
1508 {
1509         u16 fw_speeds = link_info->advertising;
1510         u8 fw_pause = 0;
1511
1512         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1513                 fw_pause = link_info->auto_pause_setting;
1514
1515         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
1516 }
1517
1518 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
1519                                 struct ethtool_link_ksettings *lk_ksettings)
1520 {
1521         u16 fw_speeds = link_info->lp_auto_link_speeds;
1522         u8 fw_pause = 0;
1523
1524         if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1525                 fw_pause = link_info->lp_pause;
1526
1527         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
1528                                 lp_advertising);
1529 }
1530
1531 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
1532                                 struct ethtool_link_ksettings *lk_ksettings)
1533 {
1534         u16 fw_speeds = link_info->support_speeds;
1535
1536         BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
1537
1538         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
1539         ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1540                                              Asym_Pause);
1541
1542         if (link_info->support_auto_speeds)
1543                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1544                                                      Autoneg);
1545 }
1546
1547 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
1548 {
1549         switch (fw_link_speed) {
1550         case BNXT_LINK_SPEED_100MB:
1551                 return SPEED_100;
1552         case BNXT_LINK_SPEED_1GB:
1553                 return SPEED_1000;
1554         case BNXT_LINK_SPEED_2_5GB:
1555                 return SPEED_2500;
1556         case BNXT_LINK_SPEED_10GB:
1557                 return SPEED_10000;
1558         case BNXT_LINK_SPEED_20GB:
1559                 return SPEED_20000;
1560         case BNXT_LINK_SPEED_25GB:
1561                 return SPEED_25000;
1562         case BNXT_LINK_SPEED_40GB:
1563                 return SPEED_40000;
1564         case BNXT_LINK_SPEED_50GB:
1565                 return SPEED_50000;
1566         case BNXT_LINK_SPEED_100GB:
1567                 return SPEED_100000;
1568         default:
1569                 return SPEED_UNKNOWN;
1570         }
1571 }
1572
1573 static int bnxt_get_link_ksettings(struct net_device *dev,
1574                                    struct ethtool_link_ksettings *lk_ksettings)
1575 {
1576         struct bnxt *bp = netdev_priv(dev);
1577         struct bnxt_link_info *link_info = &bp->link_info;
1578         struct ethtool_link_settings *base = &lk_ksettings->base;
1579         u32 ethtool_speed;
1580
1581         ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
1582         mutex_lock(&bp->link_lock);
1583         bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
1584
1585         ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
1586         if (link_info->autoneg) {
1587                 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
1588                 ethtool_link_ksettings_add_link_mode(lk_ksettings,
1589                                                      advertising, Autoneg);
1590                 base->autoneg = AUTONEG_ENABLE;
1591                 base->duplex = DUPLEX_UNKNOWN;
1592                 if (link_info->phy_link_status == BNXT_LINK_LINK) {
1593                         bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
1594                         if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
1595                                 base->duplex = DUPLEX_FULL;
1596                         else
1597                                 base->duplex = DUPLEX_HALF;
1598                 }
1599                 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1600         } else {
1601                 base->autoneg = AUTONEG_DISABLE;
1602                 ethtool_speed =
1603                         bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
1604                 base->duplex = DUPLEX_HALF;
1605                 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
1606                         base->duplex = DUPLEX_FULL;
1607         }
1608         base->speed = ethtool_speed;
1609
1610         base->port = PORT_NONE;
1611         if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1612                 base->port = PORT_TP;
1613                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1614                                                      TP);
1615                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1616                                                      TP);
1617         } else {
1618                 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1619                                                      FIBRE);
1620                 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1621                                                      FIBRE);
1622
1623                 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
1624                         base->port = PORT_DA;
1625                 else if (link_info->media_type ==
1626                          PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
1627                         base->port = PORT_FIBRE;
1628         }
1629         base->phy_address = link_info->phy_addr;
1630         mutex_unlock(&bp->link_lock);
1631
1632         return 0;
1633 }
1634
1635 static u32 bnxt_get_fw_speed(struct net_device *dev, u32 ethtool_speed)
1636 {
1637         struct bnxt *bp = netdev_priv(dev);
1638         struct bnxt_link_info *link_info = &bp->link_info;
1639         u16 support_spds = link_info->support_speeds;
1640         u32 fw_speed = 0;
1641
1642         switch (ethtool_speed) {
1643         case SPEED_100:
1644                 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1645                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
1646                 break;
1647         case SPEED_1000:
1648                 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1649                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
1650                 break;
1651         case SPEED_2500:
1652                 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1653                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
1654                 break;
1655         case SPEED_10000:
1656                 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1657                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
1658                 break;
1659         case SPEED_20000:
1660                 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1661                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
1662                 break;
1663         case SPEED_25000:
1664                 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1665                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
1666                 break;
1667         case SPEED_40000:
1668                 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1669                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
1670                 break;
1671         case SPEED_50000:
1672                 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
1673                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
1674                 break;
1675         case SPEED_100000:
1676                 if (support_spds & BNXT_LINK_SPEED_MSK_100GB)
1677                         fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100GB;
1678                 break;
1679         default:
1680                 netdev_err(dev, "unsupported speed!\n");
1681                 break;
1682         }
1683         return fw_speed;
1684 }
1685
1686 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
1687 {
1688         u16 fw_speed_mask = 0;
1689
1690         /* only support autoneg at speed 100, 1000, and 10000 */
1691         if (advertising & (ADVERTISED_100baseT_Full |
1692                            ADVERTISED_100baseT_Half)) {
1693                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1694         }
1695         if (advertising & (ADVERTISED_1000baseT_Full |
1696                            ADVERTISED_1000baseT_Half)) {
1697                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1698         }
1699         if (advertising & ADVERTISED_10000baseT_Full)
1700                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1701
1702         if (advertising & ADVERTISED_40000baseCR4_Full)
1703                 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1704
1705         return fw_speed_mask;
1706 }
1707
1708 static int bnxt_set_link_ksettings(struct net_device *dev,
1709                            const struct ethtool_link_ksettings *lk_ksettings)
1710 {
1711         struct bnxt *bp = netdev_priv(dev);
1712         struct bnxt_link_info *link_info = &bp->link_info;
1713         const struct ethtool_link_settings *base = &lk_ksettings->base;
1714         bool set_pause = false;
1715         u16 fw_advertising = 0;
1716         u32 speed;
1717         int rc = 0;
1718
1719         if (!BNXT_PHY_CFG_ABLE(bp))
1720                 return -EOPNOTSUPP;
1721
1722         mutex_lock(&bp->link_lock);
1723         if (base->autoneg == AUTONEG_ENABLE) {
1724                 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
1725                                         advertising);
1726                 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1727                 if (!fw_advertising)
1728                         link_info->advertising = link_info->support_auto_speeds;
1729                 else
1730                         link_info->advertising = fw_advertising;
1731                 /* any change to autoneg will cause link change, therefore the
1732                  * driver should put back the original pause setting in autoneg
1733                  */
1734                 set_pause = true;
1735         } else {
1736                 u16 fw_speed;
1737                 u8 phy_type = link_info->phy_type;
1738
1739                 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET  ||
1740                     phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1741                     link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1742                         netdev_err(dev, "10GBase-T devices must autoneg\n");
1743                         rc = -EINVAL;
1744                         goto set_setting_exit;
1745                 }
1746                 if (base->duplex == DUPLEX_HALF) {
1747                         netdev_err(dev, "HALF DUPLEX is not supported!\n");
1748                         rc = -EINVAL;
1749                         goto set_setting_exit;
1750                 }
1751                 speed = base->speed;
1752                 fw_speed = bnxt_get_fw_speed(dev, speed);
1753                 if (!fw_speed) {
1754                         rc = -EINVAL;
1755                         goto set_setting_exit;
1756                 }
1757                 link_info->req_link_speed = fw_speed;
1758                 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
1759                 link_info->autoneg = 0;
1760                 link_info->advertising = 0;
1761         }
1762
1763         if (netif_running(dev))
1764                 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
1765
1766 set_setting_exit:
1767         mutex_unlock(&bp->link_lock);
1768         return rc;
1769 }
1770
1771 static void bnxt_get_pauseparam(struct net_device *dev,
1772                                 struct ethtool_pauseparam *epause)
1773 {
1774         struct bnxt *bp = netdev_priv(dev);
1775         struct bnxt_link_info *link_info = &bp->link_info;
1776
1777         if (BNXT_VF(bp))
1778                 return;
1779         epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
1780         epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
1781         epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
1782 }
1783
1784 static int bnxt_set_pauseparam(struct net_device *dev,
1785                                struct ethtool_pauseparam *epause)
1786 {
1787         int rc = 0;
1788         struct bnxt *bp = netdev_priv(dev);
1789         struct bnxt_link_info *link_info = &bp->link_info;
1790
1791         if (!BNXT_PHY_CFG_ABLE(bp))
1792                 return -EOPNOTSUPP;
1793
1794         mutex_lock(&bp->link_lock);
1795         if (epause->autoneg) {
1796                 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1797                         rc = -EINVAL;
1798                         goto pause_exit;
1799                 }
1800
1801                 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
1802                 if (bp->hwrm_spec_code >= 0x10201)
1803                         link_info->req_flow_ctrl =
1804                                 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
1805         } else {
1806                 /* when transition from auto pause to force pause,
1807                  * force a link change
1808                  */
1809                 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1810                         link_info->force_link_chng = true;
1811                 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
1812                 link_info->req_flow_ctrl = 0;
1813         }
1814         if (epause->rx_pause)
1815                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
1816
1817         if (epause->tx_pause)
1818                 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
1819
1820         if (netif_running(dev))
1821                 rc = bnxt_hwrm_set_pause(bp);
1822
1823 pause_exit:
1824         mutex_unlock(&bp->link_lock);
1825         return rc;
1826 }
1827
1828 static u32 bnxt_get_link(struct net_device *dev)
1829 {
1830         struct bnxt *bp = netdev_priv(dev);
1831
1832         /* TODO: handle MF, VF, driver close case */
1833         return bp->link_info.link_up;
1834 }
1835
1836 static void bnxt_print_admin_err(struct bnxt *bp)
1837 {
1838         netdev_info(bp->dev, "PF does not have admin privileges to flash or reset the device\n");
1839 }
1840
1841 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1842                                 u16 ext, u16 *index, u32 *item_length,
1843                                 u32 *data_length);
1844
1845 static int bnxt_flash_nvram(struct net_device *dev,
1846                             u16 dir_type,
1847                             u16 dir_ordinal,
1848                             u16 dir_ext,
1849                             u16 dir_attr,
1850                             const u8 *data,
1851                             size_t data_len)
1852 {
1853         struct bnxt *bp = netdev_priv(dev);
1854         int rc;
1855         struct hwrm_nvm_write_input req = {0};
1856         dma_addr_t dma_handle;
1857         u8 *kmem;
1858
1859         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1860
1861         req.dir_type = cpu_to_le16(dir_type);
1862         req.dir_ordinal = cpu_to_le16(dir_ordinal);
1863         req.dir_ext = cpu_to_le16(dir_ext);
1864         req.dir_attr = cpu_to_le16(dir_attr);
1865         req.dir_data_length = cpu_to_le32(data_len);
1866
1867         kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1868                                   GFP_KERNEL);
1869         if (!kmem) {
1870                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1871                            (unsigned)data_len);
1872                 return -ENOMEM;
1873         }
1874         memcpy(kmem, data, data_len);
1875         req.host_src_addr = cpu_to_le64(dma_handle);
1876
1877         rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1878         dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1879
1880         if (rc == -EACCES)
1881                 bnxt_print_admin_err(bp);
1882         return rc;
1883 }
1884
1885 static int bnxt_hwrm_firmware_reset(struct net_device *dev, u8 proc_type,
1886                                     u8 self_reset, u8 flags)
1887 {
1888         struct hwrm_fw_reset_input req = {0};
1889         struct bnxt *bp = netdev_priv(dev);
1890         int rc;
1891
1892         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1893
1894         req.embedded_proc_type = proc_type;
1895         req.selfrst_status = self_reset;
1896         req.flags = flags;
1897
1898         if (proc_type == FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP) {
1899                 rc = hwrm_send_message_silent(bp, &req, sizeof(req),
1900                                               HWRM_CMD_TIMEOUT);
1901         } else {
1902                 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1903                 if (rc == -EACCES)
1904                         bnxt_print_admin_err(bp);
1905         }
1906         return rc;
1907 }
1908
1909 static int bnxt_firmware_reset(struct net_device *dev,
1910                                enum bnxt_nvm_directory_type dir_type)
1911 {
1912         u8 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE;
1913         u8 proc_type, flags = 0;
1914
1915         /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1916         /*       (e.g. when firmware isn't already running) */
1917         switch (dir_type) {
1918         case BNX_DIR_TYPE_CHIMP_PATCH:
1919         case BNX_DIR_TYPE_BOOTCODE:
1920         case BNX_DIR_TYPE_BOOTCODE_2:
1921                 proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1922                 /* Self-reset ChiMP upon next PCIe reset: */
1923                 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1924                 break;
1925         case BNX_DIR_TYPE_APE_FW:
1926         case BNX_DIR_TYPE_APE_PATCH:
1927                 proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1928                 /* Self-reset APE upon next PCIe reset: */
1929                 self_reset = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1930                 break;
1931         case BNX_DIR_TYPE_KONG_FW:
1932         case BNX_DIR_TYPE_KONG_PATCH:
1933                 proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1934                 break;
1935         case BNX_DIR_TYPE_BONO_FW:
1936         case BNX_DIR_TYPE_BONO_PATCH:
1937                 proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1938                 break;
1939         default:
1940                 return -EINVAL;
1941         }
1942
1943         return bnxt_hwrm_firmware_reset(dev, proc_type, self_reset, flags);
1944 }
1945
1946 static int bnxt_firmware_reset_chip(struct net_device *dev)
1947 {
1948         struct bnxt *bp = netdev_priv(dev);
1949         u8 flags = 0;
1950
1951         if (bp->fw_cap & BNXT_FW_CAP_HOT_RESET)
1952                 flags = FW_RESET_REQ_FLAGS_RESET_GRACEFUL;
1953
1954         return bnxt_hwrm_firmware_reset(dev,
1955                                         FW_RESET_REQ_EMBEDDED_PROC_TYPE_CHIP,
1956                                         FW_RESET_REQ_SELFRST_STATUS_SELFRSTASAP,
1957                                         flags);
1958 }
1959
1960 static int bnxt_firmware_reset_ap(struct net_device *dev)
1961 {
1962         return bnxt_hwrm_firmware_reset(dev, FW_RESET_REQ_EMBEDDED_PROC_TYPE_AP,
1963                                         FW_RESET_REQ_SELFRST_STATUS_SELFRSTNONE,
1964                                         0);
1965 }
1966
1967 static int bnxt_flash_firmware(struct net_device *dev,
1968                                u16 dir_type,
1969                                const u8 *fw_data,
1970                                size_t fw_size)
1971 {
1972         int     rc = 0;
1973         u16     code_type;
1974         u32     stored_crc;
1975         u32     calculated_crc;
1976         struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1977
1978         switch (dir_type) {
1979         case BNX_DIR_TYPE_BOOTCODE:
1980         case BNX_DIR_TYPE_BOOTCODE_2:
1981                 code_type = CODE_BOOT;
1982                 break;
1983         case BNX_DIR_TYPE_CHIMP_PATCH:
1984                 code_type = CODE_CHIMP_PATCH;
1985                 break;
1986         case BNX_DIR_TYPE_APE_FW:
1987                 code_type = CODE_MCTP_PASSTHRU;
1988                 break;
1989         case BNX_DIR_TYPE_APE_PATCH:
1990                 code_type = CODE_APE_PATCH;
1991                 break;
1992         case BNX_DIR_TYPE_KONG_FW:
1993                 code_type = CODE_KONG_FW;
1994                 break;
1995         case BNX_DIR_TYPE_KONG_PATCH:
1996                 code_type = CODE_KONG_PATCH;
1997                 break;
1998         case BNX_DIR_TYPE_BONO_FW:
1999                 code_type = CODE_BONO_FW;
2000                 break;
2001         case BNX_DIR_TYPE_BONO_PATCH:
2002                 code_type = CODE_BONO_PATCH;
2003                 break;
2004         default:
2005                 netdev_err(dev, "Unsupported directory entry type: %u\n",
2006                            dir_type);
2007                 return -EINVAL;
2008         }
2009         if (fw_size < sizeof(struct bnxt_fw_header)) {
2010                 netdev_err(dev, "Invalid firmware file size: %u\n",
2011                            (unsigned int)fw_size);
2012                 return -EINVAL;
2013         }
2014         if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
2015                 netdev_err(dev, "Invalid firmware signature: %08X\n",
2016                            le32_to_cpu(header->signature));
2017                 return -EINVAL;
2018         }
2019         if (header->code_type != code_type) {
2020                 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
2021                            code_type, header->code_type);
2022                 return -EINVAL;
2023         }
2024         if (header->device != DEVICE_CUMULUS_FAMILY) {
2025                 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
2026                            DEVICE_CUMULUS_FAMILY, header->device);
2027                 return -EINVAL;
2028         }
2029         /* Confirm the CRC32 checksum of the file: */
2030         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
2031                                              sizeof(stored_crc)));
2032         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
2033         if (calculated_crc != stored_crc) {
2034                 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
2035                            (unsigned long)stored_crc,
2036                            (unsigned long)calculated_crc);
2037                 return -EINVAL;
2038         }
2039         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
2040                               0, 0, fw_data, fw_size);
2041         if (rc == 0)    /* Firmware update successful */
2042                 rc = bnxt_firmware_reset(dev, dir_type);
2043
2044         return rc;
2045 }
2046
2047 static int bnxt_flash_microcode(struct net_device *dev,
2048                                 u16 dir_type,
2049                                 const u8 *fw_data,
2050                                 size_t fw_size)
2051 {
2052         struct bnxt_ucode_trailer *trailer;
2053         u32 calculated_crc;
2054         u32 stored_crc;
2055         int rc = 0;
2056
2057         if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
2058                 netdev_err(dev, "Invalid microcode file size: %u\n",
2059                            (unsigned int)fw_size);
2060                 return -EINVAL;
2061         }
2062         trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
2063                                                 sizeof(*trailer)));
2064         if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
2065                 netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
2066                            le32_to_cpu(trailer->sig));
2067                 return -EINVAL;
2068         }
2069         if (le16_to_cpu(trailer->dir_type) != dir_type) {
2070                 netdev_err(dev, "Expected microcode type: %d, read: %d\n",
2071                            dir_type, le16_to_cpu(trailer->dir_type));
2072                 return -EINVAL;
2073         }
2074         if (le16_to_cpu(trailer->trailer_length) <
2075                 sizeof(struct bnxt_ucode_trailer)) {
2076                 netdev_err(dev, "Invalid microcode trailer length: %d\n",
2077                            le16_to_cpu(trailer->trailer_length));
2078                 return -EINVAL;
2079         }
2080
2081         /* Confirm the CRC32 checksum of the file: */
2082         stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
2083                                              sizeof(stored_crc)));
2084         calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
2085         if (calculated_crc != stored_crc) {
2086                 netdev_err(dev,
2087                            "CRC32 (%08lX) does not match calculated: %08lX\n",
2088                            (unsigned long)stored_crc,
2089                            (unsigned long)calculated_crc);
2090                 return -EINVAL;
2091         }
2092         rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
2093                               0, 0, fw_data, fw_size);
2094
2095         return rc;
2096 }
2097
2098 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
2099 {
2100         switch (dir_type) {
2101         case BNX_DIR_TYPE_CHIMP_PATCH:
2102         case BNX_DIR_TYPE_BOOTCODE:
2103         case BNX_DIR_TYPE_BOOTCODE_2:
2104         case BNX_DIR_TYPE_APE_FW:
2105         case BNX_DIR_TYPE_APE_PATCH:
2106         case BNX_DIR_TYPE_KONG_FW:
2107         case BNX_DIR_TYPE_KONG_PATCH:
2108         case BNX_DIR_TYPE_BONO_FW:
2109         case BNX_DIR_TYPE_BONO_PATCH:
2110                 return true;
2111         }
2112
2113         return false;
2114 }
2115
2116 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
2117 {
2118         switch (dir_type) {
2119         case BNX_DIR_TYPE_AVS:
2120         case BNX_DIR_TYPE_EXP_ROM_MBA:
2121         case BNX_DIR_TYPE_PCIE:
2122         case BNX_DIR_TYPE_TSCF_UCODE:
2123         case BNX_DIR_TYPE_EXT_PHY:
2124         case BNX_DIR_TYPE_CCM:
2125         case BNX_DIR_TYPE_ISCSI_BOOT:
2126         case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
2127         case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
2128                 return true;
2129         }
2130
2131         return false;
2132 }
2133
2134 static bool bnxt_dir_type_is_executable(u16 dir_type)
2135 {
2136         return bnxt_dir_type_is_ape_bin_format(dir_type) ||
2137                 bnxt_dir_type_is_other_exec_format(dir_type);
2138 }
2139
2140 static int bnxt_flash_firmware_from_file(struct net_device *dev,
2141                                          u16 dir_type,
2142                                          const char *filename)
2143 {
2144         const struct firmware  *fw;
2145         int                     rc;
2146
2147         rc = request_firmware(&fw, filename, &dev->dev);
2148         if (rc != 0) {
2149                 netdev_err(dev, "Error %d requesting firmware file: %s\n",
2150                            rc, filename);
2151                 return rc;
2152         }
2153         if (bnxt_dir_type_is_ape_bin_format(dir_type))
2154                 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
2155         else if (bnxt_dir_type_is_other_exec_format(dir_type))
2156                 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
2157         else
2158                 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
2159                                       0, 0, fw->data, fw->size);
2160         release_firmware(fw);
2161         return rc;
2162 }
2163
2164 int bnxt_flash_package_from_file(struct net_device *dev, const char *filename,
2165                                  u32 install_type)
2166 {
2167         struct bnxt *bp = netdev_priv(dev);
2168         struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
2169         struct hwrm_nvm_install_update_input install = {0};
2170         const struct firmware *fw;
2171         u32 item_len;
2172         int rc = 0;
2173         u16 index;
2174
2175         bnxt_hwrm_fw_set_time(bp);
2176
2177         rc = bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
2178                                   BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2179                                   &index, &item_len, NULL);
2180         if (rc) {
2181                 netdev_err(dev, "PKG update area not created in nvram\n");
2182                 return rc;
2183         }
2184
2185         rc = request_firmware(&fw, filename, &dev->dev);
2186         if (rc != 0) {
2187                 netdev_err(dev, "PKG error %d requesting file: %s\n",
2188                            rc, filename);
2189                 return rc;
2190         }
2191
2192         if (fw->size > item_len) {
2193                 netdev_err(dev, "PKG insufficient update area in nvram: %lu\n",
2194                            (unsigned long)fw->size);
2195                 rc = -EFBIG;
2196         } else {
2197                 dma_addr_t dma_handle;
2198                 u8 *kmem;
2199                 struct hwrm_nvm_modify_input modify = {0};
2200
2201                 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);
2202
2203                 modify.dir_idx = cpu_to_le16(index);
2204                 modify.len = cpu_to_le32(fw->size);
2205
2206                 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
2207                                           &dma_handle, GFP_KERNEL);
2208                 if (!kmem) {
2209                         netdev_err(dev,
2210                                    "dma_alloc_coherent failure, length = %u\n",
2211                                    (unsigned int)fw->size);
2212                         rc = -ENOMEM;
2213                 } else {
2214                         memcpy(kmem, fw->data, fw->size);
2215                         modify.host_src_addr = cpu_to_le64(dma_handle);
2216
2217                         rc = hwrm_send_message(bp, &modify, sizeof(modify),
2218                                                FLASH_PACKAGE_TIMEOUT);
2219                         dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
2220                                           dma_handle);
2221                 }
2222         }
2223         release_firmware(fw);
2224         if (rc)
2225                 goto err_exit;
2226
2227         if ((install_type & 0xffff) == 0)
2228                 install_type >>= 16;
2229         bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
2230         install.install_type = cpu_to_le32(install_type);
2231
2232         mutex_lock(&bp->hwrm_cmd_lock);
2233         rc = _hwrm_send_message(bp, &install, sizeof(install),
2234                                 INSTALL_PACKAGE_TIMEOUT);
2235         if (rc) {
2236                 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
2237
2238                 if (resp->error_code && error_code ==
2239                     NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
2240                         install.flags |= cpu_to_le16(
2241                                NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
2242                         rc = _hwrm_send_message(bp, &install, sizeof(install),
2243                                                 INSTALL_PACKAGE_TIMEOUT);
2244                 }
2245                 if (rc)
2246                         goto flash_pkg_exit;
2247         }
2248
2249         if (resp->result) {
2250                 netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
2251                            (s8)resp->result, (int)resp->problem_item);
2252                 rc = -ENOPKG;
2253         }
2254 flash_pkg_exit:
2255         mutex_unlock(&bp->hwrm_cmd_lock);
2256 err_exit:
2257         if (rc == -EACCES)
2258                 bnxt_print_admin_err(bp);
2259         return rc;
2260 }
2261
2262 static int bnxt_flash_device(struct net_device *dev,
2263                              struct ethtool_flash *flash)
2264 {
2265         if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
2266                 netdev_err(dev, "flashdev not supported from a virtual function\n");
2267                 return -EINVAL;
2268         }
2269
2270         if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
2271             flash->region > 0xffff)
2272                 return bnxt_flash_package_from_file(dev, flash->data,
2273                                                     flash->region);
2274
2275         return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
2276 }
2277
2278 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
2279 {
2280         struct bnxt *bp = netdev_priv(dev);
2281         int rc;
2282         struct hwrm_nvm_get_dir_info_input req = {0};
2283         struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
2284
2285         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
2286
2287         mutex_lock(&bp->hwrm_cmd_lock);
2288         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2289         if (!rc) {
2290                 *entries = le32_to_cpu(output->entries);
2291                 *length = le32_to_cpu(output->entry_length);
2292         }
2293         mutex_unlock(&bp->hwrm_cmd_lock);
2294         return rc;
2295 }
2296
2297 static int bnxt_get_eeprom_len(struct net_device *dev)
2298 {
2299         struct bnxt *bp = netdev_priv(dev);
2300
2301         if (BNXT_VF(bp))
2302                 return 0;
2303
2304         /* The -1 return value allows the entire 32-bit range of offsets to be
2305          * passed via the ethtool command-line utility.
2306          */
2307         return -1;
2308 }
2309
2310 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
2311 {
2312         struct bnxt *bp = netdev_priv(dev);
2313         int rc;
2314         u32 dir_entries;
2315         u32 entry_length;
2316         u8 *buf;
2317         size_t buflen;
2318         dma_addr_t dma_handle;
2319         struct hwrm_nvm_get_dir_entries_input req = {0};
2320
2321         rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
2322         if (rc != 0)
2323                 return rc;
2324
2325         if (!dir_entries || !entry_length)
2326                 return -EIO;
2327
2328         /* Insert 2 bytes of directory info (count and size of entries) */
2329         if (len < 2)
2330                 return -EINVAL;
2331
2332         *data++ = dir_entries;
2333         *data++ = entry_length;
2334         len -= 2;
2335         memset(data, 0xff, len);
2336
2337         buflen = dir_entries * entry_length;
2338         buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
2339                                  GFP_KERNEL);
2340         if (!buf) {
2341                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
2342                            (unsigned)buflen);
2343                 return -ENOMEM;
2344         }
2345         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
2346         req.host_dest_addr = cpu_to_le64(dma_handle);
2347         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2348         if (rc == 0)
2349                 memcpy(data, buf, len > buflen ? buflen : len);
2350         dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
2351         return rc;
2352 }
2353
2354 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
2355                                u32 length, u8 *data)
2356 {
2357         struct bnxt *bp = netdev_priv(dev);
2358         int rc;
2359         u8 *buf;
2360         dma_addr_t dma_handle;
2361         struct hwrm_nvm_read_input req = {0};
2362
2363         if (!length)
2364                 return -EINVAL;
2365
2366         buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
2367                                  GFP_KERNEL);
2368         if (!buf) {
2369                 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
2370                            (unsigned)length);
2371                 return -ENOMEM;
2372         }
2373         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
2374         req.host_dest_addr = cpu_to_le64(dma_handle);
2375         req.dir_idx = cpu_to_le16(index);
2376         req.offset = cpu_to_le32(offset);
2377         req.len = cpu_to_le32(length);
2378
2379         rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2380         if (rc == 0)
2381                 memcpy(data, buf, length);
2382         dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
2383         return rc;
2384 }
2385
2386 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
2387                                 u16 ext, u16 *index, u32 *item_length,
2388                                 u32 *data_length)
2389 {
2390         struct bnxt *bp = netdev_priv(dev);
2391         int rc;
2392         struct hwrm_nvm_find_dir_entry_input req = {0};
2393         struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
2394
2395         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
2396         req.enables = 0;
2397         req.dir_idx = 0;
2398         req.dir_type = cpu_to_le16(type);
2399         req.dir_ordinal = cpu_to_le16(ordinal);
2400         req.dir_ext = cpu_to_le16(ext);
2401         req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
2402         mutex_lock(&bp->hwrm_cmd_lock);
2403         rc = _hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2404         if (rc == 0) {
2405                 if (index)
2406                         *index = le16_to_cpu(output->dir_idx);
2407                 if (item_length)
2408                         *item_length = le32_to_cpu(output->dir_item_length);
2409                 if (data_length)
2410                         *data_length = le32_to_cpu(output->dir_data_length);
2411         }
2412         mutex_unlock(&bp->hwrm_cmd_lock);
2413         return rc;
2414 }
2415
2416 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
2417 {
2418         char    *retval = NULL;
2419         char    *p;
2420         char    *value;
2421         int     field = 0;
2422
2423         if (datalen < 1)
2424                 return NULL;
2425         /* null-terminate the log data (removing last '\n'): */
2426         data[datalen - 1] = 0;
2427         for (p = data; *p != 0; p++) {
2428                 field = 0;
2429                 retval = NULL;
2430                 while (*p != 0 && *p != '\n') {
2431                         value = p;
2432                         while (*p != 0 && *p != '\t' && *p != '\n')
2433                                 p++;
2434                         if (field == desired_field)
2435                                 retval = value;
2436                         if (*p != '\t')
2437                                 break;
2438                         *p = 0;
2439                         field++;
2440                         p++;
2441                 }
2442                 if (*p == 0)
2443                         break;
2444                 *p = 0;
2445         }
2446         return retval;
2447 }
2448
2449 static void bnxt_get_pkgver(struct net_device *dev)
2450 {
2451         struct bnxt *bp = netdev_priv(dev);
2452         u16 index = 0;
2453         char *pkgver;
2454         u32 pkglen;
2455         u8 *pkgbuf;
2456         int len;
2457
2458         if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
2459                                  BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
2460                                  &index, NULL, &pkglen) != 0)
2461                 return;
2462
2463         pkgbuf = kzalloc(pkglen, GFP_KERNEL);
2464         if (!pkgbuf) {
2465                 dev_err(&bp->pdev->dev, "Unable to allocate memory for pkg version, length = %u\n",
2466                         pkglen);
2467                 return;
2468         }
2469
2470         if (bnxt_get_nvram_item(dev, index, 0, pkglen, pkgbuf))
2471                 goto err;
2472
2473         pkgver = bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, pkgbuf,
2474                                    pkglen);
2475         if (pkgver && *pkgver != 0 && isdigit(*pkgver)) {
2476                 len = strlen(bp->fw_ver_str);
2477                 snprintf(bp->fw_ver_str + len, FW_VER_STR_LEN - len - 1,
2478                          "/pkg %s", pkgver);
2479         }
2480 err:
2481         kfree(pkgbuf);
2482 }
2483
2484 static int bnxt_get_eeprom(struct net_device *dev,
2485                            struct ethtool_eeprom *eeprom,
2486                            u8 *data)
2487 {
2488         u32 index;
2489         u32 offset;
2490
2491         if (eeprom->offset == 0) /* special offset value to get directory */
2492                 return bnxt_get_nvram_directory(dev, eeprom->len, data);
2493
2494         index = eeprom->offset >> 24;
2495         offset = eeprom->offset & 0xffffff;
2496
2497         if (index == 0) {
2498                 netdev_err(dev, "unsupported index value: %d\n", index);
2499                 return -EINVAL;
2500         }
2501
2502         return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
2503 }
2504
2505 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
2506 {
2507         struct bnxt *bp = netdev_priv(dev);
2508         struct hwrm_nvm_erase_dir_entry_input req = {0};
2509
2510         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
2511         req.dir_idx = cpu_to_le16(index);
2512         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2513 }
2514
2515 static int bnxt_set_eeprom(struct net_device *dev,
2516                            struct ethtool_eeprom *eeprom,
2517                            u8 *data)
2518 {
2519         struct bnxt *bp = netdev_priv(dev);
2520         u8 index, dir_op;
2521         u16 type, ext, ordinal, attr;
2522
2523         if (!BNXT_PF(bp)) {
2524                 netdev_err(dev, "NVM write not supported from a virtual function\n");
2525                 return -EINVAL;
2526         }
2527
2528         type = eeprom->magic >> 16;
2529
2530         if (type == 0xffff) { /* special value for directory operations */
2531                 index = eeprom->magic & 0xff;
2532                 dir_op = eeprom->magic >> 8;
2533                 if (index == 0)
2534                         return -EINVAL;
2535                 switch (dir_op) {
2536                 case 0x0e: /* erase */
2537                         if (eeprom->offset != ~eeprom->magic)
2538                                 return -EINVAL;
2539                         return bnxt_erase_nvram_directory(dev, index - 1);
2540                 default:
2541                         return -EINVAL;
2542                 }
2543         }
2544
2545         /* Create or re-write an NVM item: */
2546         if (bnxt_dir_type_is_executable(type))
2547                 return -EOPNOTSUPP;
2548         ext = eeprom->magic & 0xffff;
2549         ordinal = eeprom->offset >> 16;
2550         attr = eeprom->offset & 0xffff;
2551
2552         return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
2553                                 eeprom->len);
2554 }
2555
2556 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
2557 {
2558         struct bnxt *bp = netdev_priv(dev);
2559         struct ethtool_eee *eee = &bp->eee;
2560         struct bnxt_link_info *link_info = &bp->link_info;
2561         u32 advertising;
2562         int rc = 0;
2563
2564         if (!BNXT_PHY_CFG_ABLE(bp))
2565                 return -EOPNOTSUPP;
2566
2567         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
2568                 return -EOPNOTSUPP;
2569
2570         mutex_lock(&bp->link_lock);
2571         advertising = _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
2572         if (!edata->eee_enabled)
2573                 goto eee_ok;
2574
2575         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
2576                 netdev_warn(dev, "EEE requires autoneg\n");
2577                 rc = -EINVAL;
2578                 goto eee_exit;
2579         }
2580         if (edata->tx_lpi_enabled) {
2581                 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
2582                                        edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
2583                         netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
2584                                     bp->lpi_tmr_lo, bp->lpi_tmr_hi);
2585                         rc = -EINVAL;
2586                         goto eee_exit;
2587                 } else if (!bp->lpi_tmr_hi) {
2588                         edata->tx_lpi_timer = eee->tx_lpi_timer;
2589                 }
2590         }
2591         if (!edata->advertised) {
2592                 edata->advertised = advertising & eee->supported;
2593         } else if (edata->advertised & ~advertising) {
2594                 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
2595                             edata->advertised, advertising);
2596                 rc = -EINVAL;
2597                 goto eee_exit;
2598         }
2599
2600         eee->advertised = edata->advertised;
2601         eee->tx_lpi_enabled = edata->tx_lpi_enabled;
2602         eee->tx_lpi_timer = edata->tx_lpi_timer;
2603 eee_ok:
2604         eee->eee_enabled = edata->eee_enabled;
2605
2606         if (netif_running(dev))
2607                 rc = bnxt_hwrm_set_link_setting(bp, false, true);
2608
2609 eee_exit:
2610         mutex_unlock(&bp->link_lock);
2611         return rc;
2612 }
2613
2614 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
2615 {
2616         struct bnxt *bp = netdev_priv(dev);
2617
2618         if (!(bp->flags & BNXT_FLAG_EEE_CAP))
2619                 return -EOPNOTSUPP;
2620
2621         *edata = bp->eee;
2622         if (!bp->eee.eee_enabled) {
2623                 /* Preserve tx_lpi_timer so that the last value will be used
2624                  * by default when it is re-enabled.
2625                  */
2626                 edata->advertised = 0;
2627                 edata->tx_lpi_enabled = 0;
2628         }
2629
2630         if (!bp->eee.eee_active)
2631                 edata->lp_advertised = 0;
2632
2633         return 0;
2634 }
2635
2636 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
2637                                             u16 page_number, u16 start_addr,
2638                                             u16 data_length, u8 *buf)
2639 {
2640         struct hwrm_port_phy_i2c_read_input req = {0};
2641         struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
2642         int rc, byte_offset = 0;
2643
2644         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2645         req.i2c_slave_addr = i2c_addr;
2646         req.page_number = cpu_to_le16(page_number);
2647         req.port_id = cpu_to_le16(bp->pf.port_id);
2648         do {
2649                 u16 xfer_size;
2650
2651                 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
2652                 data_length -= xfer_size;
2653                 req.page_offset = cpu_to_le16(start_addr + byte_offset);
2654                 req.data_length = xfer_size;
2655                 req.enables = cpu_to_le32(start_addr + byte_offset ?
2656                                  PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
2657                 mutex_lock(&bp->hwrm_cmd_lock);
2658                 rc = _hwrm_send_message(bp, &req, sizeof(req),
2659                                         HWRM_CMD_TIMEOUT);
2660                 if (!rc)
2661                         memcpy(buf + byte_offset, output->data, xfer_size);
2662                 mutex_unlock(&bp->hwrm_cmd_lock);
2663                 byte_offset += xfer_size;
2664         } while (!rc && data_length > 0);
2665
2666         return rc;
2667 }
2668
2669 static int bnxt_get_module_info(struct net_device *dev,
2670                                 struct ethtool_modinfo *modinfo)
2671 {
2672         u8 data[SFF_DIAG_SUPPORT_OFFSET + 1];
2673         struct bnxt *bp = netdev_priv(dev);
2674         int rc;
2675
2676         /* No point in going further if phy status indicates
2677          * module is not inserted or if it is powered down or
2678          * if it is of type 10GBase-T
2679          */
2680         if (bp->link_info.module_status >
2681                 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
2682                 return -EOPNOTSUPP;
2683
2684         /* This feature is not supported in older firmware versions */
2685         if (bp->hwrm_spec_code < 0x10202)
2686                 return -EOPNOTSUPP;
2687
2688         rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0, 0,
2689                                               SFF_DIAG_SUPPORT_OFFSET + 1,
2690                                               data);
2691         if (!rc) {
2692                 u8 module_id = data[0];
2693                 u8 diag_supported = data[SFF_DIAG_SUPPORT_OFFSET];
2694
2695                 switch (module_id) {
2696                 case SFF_MODULE_ID_SFP:
2697                         modinfo->type = ETH_MODULE_SFF_8472;
2698                         modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2699                         if (!diag_supported)
2700                                 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2701                         break;
2702                 case SFF_MODULE_ID_QSFP:
2703                 case SFF_MODULE_ID_QSFP_PLUS:
2704                         modinfo->type = ETH_MODULE_SFF_8436;
2705                         modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2706                         break;
2707                 case SFF_MODULE_ID_QSFP28:
2708                         modinfo->type = ETH_MODULE_SFF_8636;
2709                         modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2710                         break;
2711                 default:
2712                         rc = -EOPNOTSUPP;
2713                         break;
2714                 }
2715         }
2716         return rc;
2717 }
2718
2719 static int bnxt_get_module_eeprom(struct net_device *dev,
2720                                   struct ethtool_eeprom *eeprom,
2721                                   u8 *data)
2722 {
2723         struct bnxt *bp = netdev_priv(dev);
2724         u16  start = eeprom->offset, length = eeprom->len;
2725         int rc = 0;
2726
2727         memset(data, 0, eeprom->len);
2728
2729         /* Read A0 portion of the EEPROM */
2730         if (start < ETH_MODULE_SFF_8436_LEN) {
2731                 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
2732                         length = ETH_MODULE_SFF_8436_LEN - start;
2733                 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
2734                                                       start, length, data);
2735                 if (rc)
2736                         return rc;
2737                 start += length;
2738                 data += length;
2739                 length = eeprom->len - length;
2740         }
2741
2742         /* Read A2 portion of the EEPROM */
2743         if (length) {
2744                 start -= ETH_MODULE_SFF_8436_LEN;
2745                 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1,
2746                                                       start, length, data);
2747         }
2748         return rc;
2749 }
2750
2751 static int bnxt_nway_reset(struct net_device *dev)
2752 {
2753         int rc = 0;
2754
2755         struct bnxt *bp = netdev_priv(dev);
2756         struct bnxt_link_info *link_info = &bp->link_info;
2757
2758         if (!BNXT_PHY_CFG_ABLE(bp))
2759                 return -EOPNOTSUPP;
2760
2761         if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
2762                 return -EINVAL;
2763
2764         if (netif_running(dev))
2765                 rc = bnxt_hwrm_set_link_setting(bp, true, false);
2766
2767         return rc;
2768 }
2769
2770 static int bnxt_set_phys_id(struct net_device *dev,
2771                             enum ethtool_phys_id_state state)
2772 {
2773         struct hwrm_port_led_cfg_input req = {0};
2774         struct bnxt *bp = netdev_priv(dev);
2775         struct bnxt_pf_info *pf = &bp->pf;
2776         struct bnxt_led_cfg *led_cfg;
2777         u8 led_state;
2778         __le16 duration;
2779         int i;
2780
2781         if (!bp->num_leds || BNXT_VF(bp))
2782                 return -EOPNOTSUPP;
2783
2784         if (state == ETHTOOL_ID_ACTIVE) {
2785                 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
2786                 duration = cpu_to_le16(500);
2787         } else if (state == ETHTOOL_ID_INACTIVE) {
2788                 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
2789                 duration = cpu_to_le16(0);
2790         } else {
2791                 return -EINVAL;
2792         }
2793         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
2794         req.port_id = cpu_to_le16(pf->port_id);
2795         req.num_leds = bp->num_leds;
2796         led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
2797         for (i = 0; i < bp->num_leds; i++, led_cfg++) {
2798                 req.enables |= BNXT_LED_DFLT_ENABLES(i);
2799                 led_cfg->led_id = bp->leds[i].led_id;
2800                 led_cfg->led_state = led_state;
2801                 led_cfg->led_blink_on = duration;
2802                 led_cfg->led_blink_off = duration;
2803                 led_cfg->led_group_id = bp->leds[i].led_group_id;
2804         }
2805         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2806 }
2807
2808 static int bnxt_hwrm_selftest_irq(struct bnxt *bp, u16 cmpl_ring)
2809 {
2810         struct hwrm_selftest_irq_input req = {0};
2811
2812         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_IRQ, cmpl_ring, -1);
2813         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2814 }
2815
2816 static int bnxt_test_irq(struct bnxt *bp)
2817 {
2818         int i;
2819
2820         for (i = 0; i < bp->cp_nr_rings; i++) {
2821                 u16 cmpl_ring = bp->grp_info[i].cp_fw_ring_id;
2822                 int rc;
2823
2824                 rc = bnxt_hwrm_selftest_irq(bp, cmpl_ring);
2825                 if (rc)
2826                         return rc;
2827         }
2828         return 0;
2829 }
2830
2831 static int bnxt_hwrm_mac_loopback(struct bnxt *bp, bool enable)
2832 {
2833         struct hwrm_port_mac_cfg_input req = {0};
2834
2835         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_MAC_CFG, -1, -1);
2836
2837         req.enables = cpu_to_le32(PORT_MAC_CFG_REQ_ENABLES_LPBK);
2838         if (enable)
2839                 req.lpbk = PORT_MAC_CFG_REQ_LPBK_LOCAL;
2840         else
2841                 req.lpbk = PORT_MAC_CFG_REQ_LPBK_NONE;
2842         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2843 }
2844
2845 static int bnxt_query_force_speeds(struct bnxt *bp, u16 *force_speeds)
2846 {
2847         struct hwrm_port_phy_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
2848         struct hwrm_port_phy_qcaps_input req = {0};
2849         int rc;
2850
2851         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_QCAPS, -1, -1);
2852         mutex_lock(&bp->hwrm_cmd_lock);
2853         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2854         if (!rc)
2855                 *force_speeds = le16_to_cpu(resp->supported_speeds_force_mode);
2856
2857         mutex_unlock(&bp->hwrm_cmd_lock);
2858         return rc;
2859 }
2860
2861 static int bnxt_disable_an_for_lpbk(struct bnxt *bp,
2862                                     struct hwrm_port_phy_cfg_input *req)
2863 {
2864         struct bnxt_link_info *link_info = &bp->link_info;
2865         u16 fw_advertising;
2866         u16 fw_speed;
2867         int rc;
2868
2869         if (!link_info->autoneg ||
2870             (bp->test_info->flags & BNXT_TEST_FL_AN_PHY_LPBK))
2871                 return 0;
2872
2873         rc = bnxt_query_force_speeds(bp, &fw_advertising);
2874         if (rc)
2875                 return rc;
2876
2877         fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_1GB;
2878         if (bp->link_info.link_up)
2879                 fw_speed = bp->link_info.link_speed;
2880         else if (fw_advertising & BNXT_LINK_SPEED_MSK_10GB)
2881                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_10GB;
2882         else if (fw_advertising & BNXT_LINK_SPEED_MSK_25GB)
2883                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_25GB;
2884         else if (fw_advertising & BNXT_LINK_SPEED_MSK_40GB)
2885                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_40GB;
2886         else if (fw_advertising & BNXT_LINK_SPEED_MSK_50GB)
2887                 fw_speed = PORT_PHY_CFG_REQ_FORCE_LINK_SPEED_50GB;
2888
2889         req->force_link_speed = cpu_to_le16(fw_speed);
2890         req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE |
2891                                   PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
2892         rc = hwrm_send_message(bp, req, sizeof(*req), HWRM_CMD_TIMEOUT);
2893         req->flags = 0;
2894         req->force_link_speed = cpu_to_le16(0);
2895         return rc;
2896 }
2897
2898 static int bnxt_hwrm_phy_loopback(struct bnxt *bp, bool enable, bool ext)
2899 {
2900         struct hwrm_port_phy_cfg_input req = {0};
2901
2902         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
2903
2904         if (enable) {
2905                 bnxt_disable_an_for_lpbk(bp, &req);
2906                 if (ext)
2907                         req.lpbk = PORT_PHY_CFG_REQ_LPBK_EXTERNAL;
2908                 else
2909                         req.lpbk = PORT_PHY_CFG_REQ_LPBK_LOCAL;
2910         } else {
2911                 req.lpbk = PORT_PHY_CFG_REQ_LPBK_NONE;
2912         }
2913         req.enables = cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_LPBK);
2914         return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2915 }
2916
2917 static int bnxt_rx_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
2918                             u32 raw_cons, int pkt_size)
2919 {
2920         struct bnxt_napi *bnapi = cpr->bnapi;
2921         struct bnxt_rx_ring_info *rxr;
2922         struct bnxt_sw_rx_bd *rx_buf;
2923         struct rx_cmp *rxcmp;
2924         u16 cp_cons, cons;
2925         u8 *data;
2926         u32 len;
2927         int i;
2928
2929         rxr = bnapi->rx_ring;
2930         cp_cons = RING_CMP(raw_cons);
2931         rxcmp = (struct rx_cmp *)
2932                 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
2933         cons = rxcmp->rx_cmp_opaque;
2934         rx_buf = &rxr->rx_buf_ring[cons];
2935         data = rx_buf->data_ptr;
2936         len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
2937         if (len != pkt_size)
2938                 return -EIO;
2939         i = ETH_ALEN;
2940         if (!ether_addr_equal(data + i, bnapi->bp->dev->dev_addr))
2941                 return -EIO;
2942         i += ETH_ALEN;
2943         for (  ; i < pkt_size; i++) {
2944                 if (data[i] != (u8)(i & 0xff))
2945                         return -EIO;
2946         }
2947         return 0;
2948 }
2949
2950 static int bnxt_poll_loopback(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
2951                               int pkt_size)
2952 {
2953         struct tx_cmp *txcmp;
2954         int rc = -EIO;
2955         u32 raw_cons;
2956         u32 cons;
2957         int i;
2958
2959         raw_cons = cpr->cp_raw_cons;
2960         for (i = 0; i < 200; i++) {
2961                 cons = RING_CMP(raw_cons);
2962                 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
2963
2964                 if (!TX_CMP_VALID(txcmp, raw_cons)) {
2965                         udelay(5);
2966                         continue;
2967                 }
2968
2969                 /* The valid test of the entry must be done first before
2970                  * reading any further.
2971                  */
2972                 dma_rmb();
2973                 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_RX_L2_CMP) {
2974                         rc = bnxt_rx_loopback(bp, cpr, raw_cons, pkt_size);
2975                         raw_cons = NEXT_RAW_CMP(raw_cons);
2976                         raw_cons = NEXT_RAW_CMP(raw_cons);
2977                         break;
2978                 }
2979                 raw_cons = NEXT_RAW_CMP(raw_cons);
2980         }
2981         cpr->cp_raw_cons = raw_cons;
2982         return rc;
2983 }
2984
2985 static int bnxt_run_loopback(struct bnxt *bp)
2986 {
2987         struct bnxt_tx_ring_info *txr = &bp->tx_ring[0];
2988         struct bnxt_rx_ring_info *rxr = &bp->rx_ring[0];
2989         struct bnxt_cp_ring_info *cpr;
2990         int pkt_size, i = 0;
2991         struct sk_buff *skb;
2992         dma_addr_t map;
2993         u8 *data;
2994         int rc;
2995
2996         cpr = &rxr->bnapi->cp_ring;
2997         if (bp->flags & BNXT_FLAG_CHIP_P5)
2998                 cpr = cpr->cp_ring_arr[BNXT_RX_HDL];
2999         pkt_size = min(bp->dev->mtu + ETH_HLEN, bp->rx_copy_thresh);
3000         skb = netdev_alloc_skb(bp->dev, pkt_size);
3001         if (!skb)
3002                 return -ENOMEM;
3003         data = skb_put(skb, pkt_size);
3004         eth_broadcast_addr(data);
3005         i += ETH_ALEN;
3006         ether_addr_copy(&data[i], bp->dev->dev_addr);
3007         i += ETH_ALEN;
3008         for ( ; i < pkt_size; i++)
3009                 data[i] = (u8)(i & 0xff);
3010
3011         map = dma_map_single(&bp->pdev->dev, skb->data, pkt_size,
3012                              PCI_DMA_TODEVICE);
3013         if (dma_mapping_error(&bp->pdev->dev, map)) {
3014                 dev_kfree_skb(skb);
3015                 return -EIO;
3016         }
3017         bnxt_xmit_bd(bp, txr, map, pkt_size);
3018
3019         /* Sync BD data before updating doorbell */
3020         wmb();
3021
3022         bnxt_db_write(bp, &txr->tx_db, txr->tx_prod);
3023         rc = bnxt_poll_loopback(bp, cpr, pkt_size);
3024
3025         dma_unmap_single(&bp->pdev->dev, map, pkt_size, PCI_DMA_TODEVICE);
3026         dev_kfree_skb(skb);
3027         return rc;
3028 }
3029
3030 static int bnxt_run_fw_tests(struct bnxt *bp, u8 test_mask, u8 *test_results)
3031 {
3032         struct hwrm_selftest_exec_output *resp = bp->hwrm_cmd_resp_addr;
3033         struct hwrm_selftest_exec_input req = {0};
3034         int rc;
3035
3036         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_EXEC, -1, -1);
3037         mutex_lock(&bp->hwrm_cmd_lock);
3038         resp->test_success = 0;
3039         req.flags = test_mask;
3040         rc = _hwrm_send_message(bp, &req, sizeof(req), bp->test_info->timeout);
3041         *test_results = resp->test_success;
3042         mutex_unlock(&bp->hwrm_cmd_lock);
3043         return rc;
3044 }
3045
3046 #define BNXT_DRV_TESTS                  4
3047 #define BNXT_MACLPBK_TEST_IDX           (bp->num_tests - BNXT_DRV_TESTS)
3048 #define BNXT_PHYLPBK_TEST_IDX           (BNXT_MACLPBK_TEST_IDX + 1)
3049 #define BNXT_EXTLPBK_TEST_IDX           (BNXT_MACLPBK_TEST_IDX + 2)
3050 #define BNXT_IRQ_TEST_IDX               (BNXT_MACLPBK_TEST_IDX + 3)
3051
3052 static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest,
3053                            u64 *buf)
3054 {
3055         struct bnxt *bp = netdev_priv(dev);
3056         bool do_ext_lpbk = false;
3057         bool offline = false;
3058         u8 test_results = 0;
3059         u8 test_mask = 0;
3060         int rc = 0, i;
3061
3062         if (!bp->num_tests || !BNXT_SINGLE_PF(bp))
3063                 return;
3064         memset(buf, 0, sizeof(u64) * bp->num_tests);
3065         if (!netif_running(dev)) {
3066                 etest->flags |= ETH_TEST_FL_FAILED;
3067                 return;
3068         }
3069
3070         if ((etest->flags & ETH_TEST_FL_EXTERNAL_LB) &&
3071             (bp->test_info->flags & BNXT_TEST_FL_EXT_LPBK))
3072                 do_ext_lpbk = true;
3073
3074         if (etest->flags & ETH_TEST_FL_OFFLINE) {
3075                 if (bp->pf.active_vfs) {
3076                         etest->flags |= ETH_TEST_FL_FAILED;
3077                         netdev_warn(dev, "Offline tests cannot be run with active VFs\n");
3078                         return;
3079                 }
3080                 offline = true;
3081         }
3082
3083         for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
3084                 u8 bit_val = 1 << i;
3085
3086                 if (!(bp->test_info->offline_mask & bit_val))
3087                         test_mask |= bit_val;
3088                 else if (offline)
3089                         test_mask |= bit_val;
3090         }
3091         if (!offline) {
3092                 bnxt_run_fw_tests(bp, test_mask, &test_results);
3093         } else {
3094                 rc = bnxt_close_nic(bp, false, false);
3095                 if (rc)
3096                         return;
3097                 bnxt_run_fw_tests(bp, test_mask, &test_results);
3098
3099                 buf[BNXT_MACLPBK_TEST_IDX] = 1;
3100                 bnxt_hwrm_mac_loopback(bp, true);
3101                 msleep(250);
3102                 rc = bnxt_half_open_nic(bp);
3103                 if (rc) {
3104                         bnxt_hwrm_mac_loopback(bp, false);
3105                         etest->flags |= ETH_TEST_FL_FAILED;
3106                         return;
3107                 }
3108                 if (bnxt_run_loopback(bp))
3109                         etest->flags |= ETH_TEST_FL_FAILED;
3110                 else
3111                         buf[BNXT_MACLPBK_TEST_IDX] = 0;
3112
3113                 bnxt_hwrm_mac_loopback(bp, false);
3114                 bnxt_hwrm_phy_loopback(bp, true, false);
3115                 msleep(1000);
3116                 if (bnxt_run_loopback(bp)) {
3117                         buf[BNXT_PHYLPBK_TEST_IDX] = 1;
3118                         etest->flags |= ETH_TEST_FL_FAILED;
3119                 }
3120                 if (do_ext_lpbk) {
3121                         etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
3122                         bnxt_hwrm_phy_loopback(bp, true, true);
3123                         msleep(1000);
3124                         if (bnxt_run_loopback(bp)) {
3125                                 buf[BNXT_EXTLPBK_TEST_IDX] = 1;
3126                                 etest->flags |= ETH_TEST_FL_FAILED;
3127                         }
3128                 }
3129                 bnxt_hwrm_phy_loopback(bp, false, false);
3130                 bnxt_half_close_nic(bp);
3131                 rc = bnxt_open_nic(bp, false, true);
3132         }
3133         if (rc || bnxt_test_irq(bp)) {
3134                 buf[BNXT_IRQ_TEST_IDX] = 1;
3135                 etest->flags |= ETH_TEST_FL_FAILED;
3136         }
3137         for (i = 0; i < bp->num_tests - BNXT_DRV_TESTS; i++) {
3138                 u8 bit_val = 1 << i;
3139
3140                 if ((test_mask & bit_val) && !(test_results & bit_val)) {
3141                         buf[i] = 1;
3142                         etest->flags |= ETH_TEST_FL_FAILED;
3143                 }
3144         }
3145 }
3146
3147 static int bnxt_reset(struct net_device *dev, u32 *flags)
3148 {
3149         struct bnxt *bp = netdev_priv(dev);
3150         bool reload = false;
3151         u32 req = *flags;
3152
3153         if (!req)
3154                 return -EINVAL;
3155
3156         if (!BNXT_PF(bp)) {
3157                 netdev_err(dev, "Reset is not supported from a VF\n");
3158                 return -EOPNOTSUPP;
3159         }
3160
3161         if (pci_vfs_assigned(bp->pdev) &&
3162             !(bp->fw_cap & BNXT_FW_CAP_HOT_RESET)) {
3163                 netdev_err(dev,
3164                            "Reset not allowed when VFs are assigned to VMs\n");
3165                 return -EBUSY;
3166         }
3167
3168         if ((req & BNXT_FW_RESET_CHIP) == BNXT_FW_RESET_CHIP) {
3169                 /* This feature is not supported in older firmware versions */
3170                 if (bp->hwrm_spec_code >= 0x10803) {
3171                         if (!bnxt_firmware_reset_chip(dev)) {
3172                                 netdev_info(dev, "Firmware reset request successful.\n");
3173                                 if (!(bp->fw_cap & BNXT_FW_CAP_HOT_RESET))
3174                                         reload = true;
3175                                 *flags &= ~BNXT_FW_RESET_CHIP;
3176                         }
3177                 } else if (req == BNXT_FW_RESET_CHIP) {
3178                         return -EOPNOTSUPP; /* only request, fail hard */
3179                 }
3180         }
3181
3182         if (req & BNXT_FW_RESET_AP) {
3183                 /* This feature is not supported in older firmware versions */
3184                 if (bp->hwrm_spec_code >= 0x10803) {
3185                         if (!bnxt_firmware_reset_ap(dev)) {
3186                                 netdev_info(dev, "Reset application processor successful.\n");
3187                                 reload = true;
3188                                 *flags &= ~BNXT_FW_RESET_AP;
3189                         }
3190                 } else if (req == BNXT_FW_RESET_AP) {
3191                         return -EOPNOTSUPP; /* only request, fail hard */
3192                 }
3193         }
3194
3195         if (reload)
3196                 netdev_info(dev, "Reload driver to complete reset\n");
3197
3198         return 0;
3199 }
3200
3201 static int bnxt_hwrm_dbg_dma_data(struct bnxt *bp, void *msg, int msg_len,
3202                                   struct bnxt_hwrm_dbg_dma_info *info)
3203 {
3204         struct hwrm_dbg_cmn_output *cmn_resp = bp->hwrm_cmd_resp_addr;
3205         struct hwrm_dbg_cmn_input *cmn_req = msg;
3206         __le16 *seq_ptr = msg + info->seq_off;
3207         u16 seq = 0, len, segs_off;
3208         void *resp = cmn_resp;
3209         dma_addr_t dma_handle;
3210         int rc, off = 0;
3211         void *dma_buf;
3212
3213         dma_buf = dma_alloc_coherent(&bp->pdev->dev, info->dma_len, &dma_handle,
3214                                      GFP_KERNEL);
3215         if (!dma_buf)
3216                 return -ENOMEM;
3217
3218         segs_off = offsetof(struct hwrm_dbg_coredump_list_output,
3219                             total_segments);
3220         cmn_req->host_dest_addr = cpu_to_le64(dma_handle);
3221         cmn_req->host_buf_len = cpu_to_le32(info->dma_len);
3222         mutex_lock(&bp->hwrm_cmd_lock);
3223         while (1) {
3224                 *seq_ptr = cpu_to_le16(seq);
3225                 rc = _hwrm_send_message(bp, msg, msg_len,
3226                                         HWRM_COREDUMP_TIMEOUT);
3227                 if (rc)
3228                         break;
3229
3230                 len = le16_to_cpu(*((__le16 *)(resp + info->data_len_off)));
3231                 if (!seq &&
3232                     cmn_req->req_type == cpu_to_le16(HWRM_DBG_COREDUMP_LIST)) {
3233                         info->segs = le16_to_cpu(*((__le16 *)(resp +
3234                                                               segs_off)));
3235                         if (!info->segs) {
3236                                 rc = -EIO;
3237                                 break;
3238                         }
3239
3240                         info->dest_buf_size = info->segs *
3241                                         sizeof(struct coredump_segment_record);
3242                         info->dest_buf = kmalloc(info->dest_buf_size,
3243                                                  GFP_KERNEL);
3244                         if (!info->dest_buf) {
3245                                 rc = -ENOMEM;
3246                                 break;
3247                         }
3248                 }
3249
3250                 if (info->dest_buf) {
3251                         if ((info->seg_start + off + len) <=
3252                             BNXT_COREDUMP_BUF_LEN(info->buf_len)) {
3253                                 memcpy(info->dest_buf + off, dma_buf, len);
3254                         } else {
3255                                 rc = -ENOBUFS;
3256                                 break;
3257                         }
3258                 }
3259
3260                 if (cmn_req->req_type ==
3261                                 cpu_to_le16(HWRM_DBG_COREDUMP_RETRIEVE))
3262                         info->dest_buf_size += len;
3263
3264                 if (!(cmn_resp->flags & HWRM_DBG_CMN_FLAGS_MORE))
3265                         break;
3266
3267                 seq++;
3268                 off += len;
3269         }
3270         mutex_unlock(&bp->hwrm_cmd_lock);
3271         dma_free_coherent(&bp->pdev->dev, info->dma_len, dma_buf, dma_handle);
3272         return rc;
3273 }
3274
3275 static int bnxt_hwrm_dbg_coredump_list(struct bnxt *bp,
3276                                        struct bnxt_coredump *coredump)
3277 {
3278         struct hwrm_dbg_coredump_list_input req = {0};
3279         struct bnxt_hwrm_dbg_dma_info info = {NULL};
3280         int rc;
3281
3282         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_LIST, -1, -1);
3283
3284         info.dma_len = COREDUMP_LIST_BUF_LEN;
3285         info.seq_off = offsetof(struct hwrm_dbg_coredump_list_input, seq_no);
3286         info.data_len_off = offsetof(struct hwrm_dbg_coredump_list_output,
3287                                      data_len);
3288
3289         rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
3290         if (!rc) {
3291                 coredump->data = info.dest_buf;
3292                 coredump->data_size = info.dest_buf_size;
3293                 coredump->total_segs = info.segs;
3294         }
3295         return rc;
3296 }
3297
3298 static int bnxt_hwrm_dbg_coredump_initiate(struct bnxt *bp, u16 component_id,
3299                                            u16 segment_id)
3300 {
3301         struct hwrm_dbg_coredump_initiate_input req = {0};
3302
3303         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_INITIATE, -1, -1);
3304         req.component_id = cpu_to_le16(component_id);
3305         req.segment_id = cpu_to_le16(segment_id);
3306
3307         return hwrm_send_message(bp, &req, sizeof(req), HWRM_COREDUMP_TIMEOUT);
3308 }
3309
3310 static int bnxt_hwrm_dbg_coredump_retrieve(struct bnxt *bp, u16 component_id,
3311                                            u16 segment_id, u32 *seg_len,
3312                                            void *buf, u32 buf_len, u32 offset)
3313 {
3314         struct hwrm_dbg_coredump_retrieve_input req = {0};
3315         struct bnxt_hwrm_dbg_dma_info info = {NULL};
3316         int rc;
3317
3318         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_DBG_COREDUMP_RETRIEVE, -1, -1);
3319         req.component_id = cpu_to_le16(component_id);
3320         req.segment_id = cpu_to_le16(segment_id);
3321
3322         info.dma_len = COREDUMP_RETRIEVE_BUF_LEN;
3323         info.seq_off = offsetof(struct hwrm_dbg_coredump_retrieve_input,
3324                                 seq_no);
3325         info.data_len_off = offsetof(struct hwrm_dbg_coredump_retrieve_output,
3326                                      data_len);
3327         if (buf) {
3328                 info.dest_buf = buf + offset;
3329                 info.buf_len = buf_len;
3330                 info.seg_start = offset;
3331         }
3332
3333         rc = bnxt_hwrm_dbg_dma_data(bp, &req, sizeof(req), &info);
3334         if (!rc)
3335                 *seg_len = info.dest_buf_size;
3336
3337         return rc;
3338 }
3339
3340 static void
3341 bnxt_fill_coredump_seg_hdr(struct bnxt *bp,
3342                            struct bnxt_coredump_segment_hdr *seg_hdr,
3343                            struct coredump_segment_record *seg_rec, u32 seg_len,
3344                            int status, u32 duration, u32 instance)
3345 {
3346         memset(seg_hdr, 0, sizeof(*seg_hdr));
3347         memcpy(seg_hdr->signature, "sEgM", 4);
3348         if (seg_rec) {
3349                 seg_hdr->component_id = (__force __le32)seg_rec->component_id;
3350                 seg_hdr->segment_id = (__force __le32)seg_rec->segment_id;
3351                 seg_hdr->low_version = seg_rec->version_low;
3352                 seg_hdr->high_version = seg_rec->version_hi;
3353         } else {
3354                 /* For hwrm_ver_get response Component id = 2
3355                  * and Segment id = 0
3356                  */
3357                 seg_hdr->component_id = cpu_to_le32(2);
3358                 seg_hdr->segment_id = 0;
3359         }
3360         seg_hdr->function_id = cpu_to_le16(bp->pdev->devfn);
3361         seg_hdr->length = cpu_to_le32(seg_len);
3362         seg_hdr->status = cpu_to_le32(status);
3363         seg_hdr->duration = cpu_to_le32(duration);
3364         seg_hdr->data_offset = cpu_to_le32(sizeof(*seg_hdr));
3365         seg_hdr->instance = cpu_to_le32(instance);
3366 }
3367
3368 static void
3369 bnxt_fill_coredump_record(struct bnxt *bp, struct bnxt_coredump_record *record,
3370                           time64_t start, s16 start_utc, u16 total_segs,
3371                           int status)
3372 {
3373         time64_t end = ktime_get_real_seconds();
3374         u32 os_ver_major = 0, os_ver_minor = 0;
3375         struct tm tm;
3376
3377         time64_to_tm(start, 0, &tm);
3378         memset(record, 0, sizeof(*record));
3379         memcpy(record->signature, "cOrE", 4);
3380         record->flags = 0;
3381         record->low_version = 0;
3382         record->high_version = 1;
3383         record->asic_state = 0;
3384         strlcpy(record->system_name, utsname()->nodename,
3385                 sizeof(record->system_name));
3386         record->year = cpu_to_le16(tm.tm_year + 1900);
3387         record->month = cpu_to_le16(tm.tm_mon + 1);
3388         record->day = cpu_to_le16(tm.tm_mday);
3389         record->hour = cpu_to_le16(tm.tm_hour);
3390         record->minute = cpu_to_le16(tm.tm_min);
3391         record->second = cpu_to_le16(tm.tm_sec);
3392         record->utc_bias = cpu_to_le16(start_utc);
3393         strcpy(record->commandline, "ethtool -w");
3394         record->total_segments = cpu_to_le32(total_segs);
3395
3396         sscanf(utsname()->release, "%u.%u", &os_ver_major, &os_ver_minor);
3397         record->os_ver_major = cpu_to_le32(os_ver_major);
3398         record->os_ver_minor = cpu_to_le32(os_ver_minor);
3399
3400         strlcpy(record->os_name, utsname()->sysname, 32);
3401         time64_to_tm(end, 0, &tm);
3402         record->end_year = cpu_to_le16(tm.tm_year + 1900);
3403         record->end_month = cpu_to_le16(tm.tm_mon + 1);
3404         record->end_day = cpu_to_le16(tm.tm_mday);
3405         record->end_hour = cpu_to_le16(tm.tm_hour);
3406         record->end_minute = cpu_to_le16(tm.tm_min);
3407         record->end_second = cpu_to_le16(tm.tm_sec);
3408         record->end_utc_bias = cpu_to_le16(sys_tz.tz_minuteswest * 60);
3409         record->asic_id1 = cpu_to_le32(bp->chip_num << 16 |
3410                                        bp->ver_resp.chip_rev << 8 |
3411                                        bp->ver_resp.chip_metal);
3412         record->asic_id2 = 0;
3413         record->coredump_status = cpu_to_le32(status);
3414         record->ioctl_low_version = 0;
3415         record->ioctl_high_version = 0;
3416 }
3417
3418 static int bnxt_get_coredump(struct bnxt *bp, void *buf, u32 *dump_len)
3419 {
3420         u32 ver_get_resp_len = sizeof(struct hwrm_ver_get_output);
3421         u32 offset = 0, seg_hdr_len, seg_record_len, buf_len = 0;
3422         struct coredump_segment_record *seg_record = NULL;
3423         struct bnxt_coredump_segment_hdr seg_hdr;
3424         struct bnxt_coredump coredump = {NULL};
3425         time64_t start_time;
3426         u16 start_utc;
3427         int rc = 0, i;
3428
3429         if (buf)
3430                 buf_len = *dump_len;
3431
3432         start_time = ktime_get_real_seconds();
3433         start_utc = sys_tz.tz_minuteswest * 60;
3434         seg_hdr_len = sizeof(seg_hdr);
3435
3436         /* First segment should be hwrm_ver_get response */
3437         *dump_len = seg_hdr_len + ver_get_resp_len;
3438         if (buf) {
3439                 bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, NULL, ver_get_resp_len,
3440                                            0, 0, 0);
3441                 memcpy(buf + offset, &seg_hdr, seg_hdr_len);
3442                 offset += seg_hdr_len;
3443                 memcpy(buf + offset, &bp->ver_resp, ver_get_resp_len);
3444                 offset += ver_get_resp_len;
3445         }
3446
3447         rc = bnxt_hwrm_dbg_coredump_list(bp, &coredump);
3448         if (rc) {
3449                 netdev_err(bp->dev, "Failed to get coredump segment list\n");
3450                 goto err;
3451         }
3452
3453         *dump_len += seg_hdr_len * coredump.total_segs;
3454
3455         seg_record = (struct coredump_segment_record *)coredump.data;
3456         seg_record_len = sizeof(*seg_record);
3457
3458         for (i = 0; i < coredump.total_segs; i++) {
3459                 u16 comp_id = le16_to_cpu(seg_record->component_id);
3460                 u16 seg_id = le16_to_cpu(seg_record->segment_id);
3461                 u32 duration = 0, seg_len = 0;
3462                 unsigned long start, end;
3463
3464                 if (buf && ((offset + seg_hdr_len) >
3465                             BNXT_COREDUMP_BUF_LEN(buf_len))) {
3466                         rc = -ENOBUFS;
3467                         goto err;
3468                 }
3469
3470                 start = jiffies;
3471
3472                 rc = bnxt_hwrm_dbg_coredump_initiate(bp, comp_id, seg_id);
3473                 if (rc) {
3474                         netdev_err(bp->dev,
3475                                    "Failed to initiate coredump for seg = %d\n",
3476                                    seg_record->segment_id);
3477                         goto next_seg;
3478                 }
3479
3480                 /* Write segment data into the buffer */
3481                 rc = bnxt_hwrm_dbg_coredump_retrieve(bp, comp_id, seg_id,
3482                                                      &seg_len, buf, buf_len,
3483                                                      offset + seg_hdr_len);
3484                 if (rc && rc == -ENOBUFS)
3485                         goto err;
3486                 else if (rc)
3487                         netdev_err(bp->dev,
3488                                    "Failed to retrieve coredump for seg = %d\n",
3489                                    seg_record->segment_id);
3490
3491 next_seg:
3492                 end = jiffies;
3493                 duration = jiffies_to_msecs(end - start);
3494                 bnxt_fill_coredump_seg_hdr(bp, &seg_hdr, seg_record, seg_len,
3495                                            rc, duration, 0);
3496
3497                 if (buf) {
3498                         /* Write segment header into the buffer */
3499                         memcpy(buf + offset, &seg_hdr, seg_hdr_len);
3500                         offset += seg_hdr_len + seg_len;
3501                 }
3502
3503                 *dump_len += seg_len;
3504                 seg_record =
3505                         (struct coredump_segment_record *)((u8 *)seg_record +
3506                                                            seg_record_len);
3507         }
3508
3509 err:
3510         if (buf)
3511                 bnxt_fill_coredump_record(bp, buf + offset, start_time,
3512                                           start_utc, coredump.total_segs + 1,
3513                                           rc);
3514         kfree(coredump.data);
3515         *dump_len += sizeof(struct bnxt_coredump_record);
3516         if (rc == -ENOBUFS)
3517                 netdev_err(bp->dev, "Firmware returned large coredump buffer\n");
3518         return rc;
3519 }
3520
3521 static int bnxt_set_dump(struct net_device *dev, struct ethtool_dump *dump)
3522 {
3523         struct bnxt *bp = netdev_priv(dev);
3524
3525         if (dump->flag > BNXT_DUMP_CRASH) {
3526                 netdev_info(dev, "Supports only Live(0) and Crash(1) dumps.\n");
3527                 return -EINVAL;
3528         }
3529
3530         if (!IS_ENABLED(CONFIG_TEE_BNXT_FW) && dump->flag == BNXT_DUMP_CRASH) {
3531                 netdev_info(dev, "Cannot collect crash dump as TEE_BNXT_FW config option is not enabled.\n");
3532                 return -EOPNOTSUPP;
3533         }
3534
3535         bp->dump_flag = dump->flag;
3536         return 0;
3537 }
3538
3539 static int bnxt_get_dump_flag(struct net_device *dev, struct ethtool_dump *dump)
3540 {
3541         struct bnxt *bp = netdev_priv(dev);
3542
3543         if (bp->hwrm_spec_code < 0x10801)
3544                 return -EOPNOTSUPP;
3545
3546         dump->version = bp->ver_resp.hwrm_fw_maj_8b << 24 |
3547                         bp->ver_resp.hwrm_fw_min_8b << 16 |
3548                         bp->ver_resp.hwrm_fw_bld_8b << 8 |
3549                         bp->ver_resp.hwrm_fw_rsvd_8b;
3550
3551         dump->flag = bp->dump_flag;
3552         if (bp->dump_flag == BNXT_DUMP_CRASH)
3553                 dump->len = BNXT_CRASH_DUMP_LEN;
3554         else
3555                 bnxt_get_coredump(bp, NULL, &dump->len);
3556         return 0;
3557 }
3558
3559 static int bnxt_get_dump_data(struct net_device *dev, struct ethtool_dump *dump,
3560                               void *buf)
3561 {
3562         struct bnxt *bp = netdev_priv(dev);
3563
3564         if (bp->hwrm_spec_code < 0x10801)
3565                 return -EOPNOTSUPP;
3566
3567         memset(buf, 0, dump->len);
3568
3569         dump->flag = bp->dump_flag;
3570         if (dump->flag == BNXT_DUMP_CRASH) {
3571 #ifdef CONFIG_TEE_BNXT_FW
3572                 return tee_bnxt_copy_coredump(buf, 0, dump->len);
3573 #endif
3574         } else {
3575                 return bnxt_get_coredump(bp, buf, &dump->len);
3576         }
3577
3578         return 0;
3579 }
3580
3581 void bnxt_ethtool_init(struct bnxt *bp)
3582 {
3583         struct hwrm_selftest_qlist_output *resp = bp->hwrm_cmd_resp_addr;
3584         struct hwrm_selftest_qlist_input req = {0};
3585         struct bnxt_test_info *test_info;
3586         struct net_device *dev = bp->dev;
3587         int i, rc;
3588
3589         if (!(bp->fw_cap & BNXT_FW_CAP_PKG_VER))
3590                 bnxt_get_pkgver(dev);
3591
3592         bp->num_tests = 0;
3593         if (bp->hwrm_spec_code < 0x10704 || !BNXT_SINGLE_PF(bp))
3594                 return;
3595
3596         bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_SELFTEST_QLIST, -1, -1);
3597         mutex_lock(&bp->hwrm_cmd_lock);
3598         rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3599         if (rc)
3600                 goto ethtool_init_exit;
3601
3602         test_info = bp->test_info;
3603         if (!test_info)
3604                 test_info = kzalloc(sizeof(*bp->test_info), GFP_KERNEL);
3605         if (!test_info)
3606                 goto ethtool_init_exit;
3607
3608         bp->test_info = test_info;
3609         bp->num_tests = resp->num_tests + BNXT_DRV_TESTS;
3610         if (bp->num_tests > BNXT_MAX_TEST)
3611                 bp->num_tests = BNXT_MAX_TEST;
3612
3613         test_info->offline_mask = resp->offline_tests;
3614         test_info->timeout = le16_to_cpu(resp->test_timeout);
3615         if (!test_info->timeout)
3616                 test_info->timeout = HWRM_CMD_TIMEOUT;
3617         for (i = 0; i < bp->num_tests; i++) {
3618                 char *str = test_info->string[i];
3619                 char *fw_str = resp->test0_name + i * 32;
3620
3621                 if (i == BNXT_MACLPBK_TEST_IDX) {
3622                         strcpy(str, "Mac loopback test (offline)");
3623                 } else if (i == BNXT_PHYLPBK_TEST_IDX) {
3624                         strcpy(str, "Phy loopback test (offline)");
3625                 } else if (i == BNXT_EXTLPBK_TEST_IDX) {
3626                         strcpy(str, "Ext loopback test (offline)");
3627                 } else if (i == BNXT_IRQ_TEST_IDX) {
3628                         strcpy(str, "Interrupt_test (offline)");
3629                 } else {
3630                         strlcpy(str, fw_str, ETH_GSTRING_LEN);
3631                         strncat(str, " test", ETH_GSTRING_LEN - strlen(str));
3632                         if (test_info->offline_mask & (1 << i))
3633                                 strncat(str, " (offline)",
3634                                         ETH_GSTRING_LEN - strlen(str));
3635                         else
3636                                 strncat(str, " (online)",
3637                                         ETH_GSTRING_LEN - strlen(str));
3638                 }
3639         }
3640
3641 ethtool_init_exit:
3642         mutex_unlock(&bp->hwrm_cmd_lock);
3643 }
3644
3645 void bnxt_ethtool_free(struct bnxt *bp)
3646 {
3647         kfree(bp->test_info);
3648         bp->test_info = NULL;
3649 }
3650
3651 const struct ethtool_ops bnxt_ethtool_ops = {
3652         .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
3653                                      ETHTOOL_COALESCE_MAX_FRAMES |
3654                                      ETHTOOL_COALESCE_USECS_IRQ |
3655                                      ETHTOOL_COALESCE_MAX_FRAMES_IRQ |
3656                                      ETHTOOL_COALESCE_STATS_BLOCK_USECS |
3657                                      ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
3658         .get_link_ksettings     = bnxt_get_link_ksettings,
3659         .set_link_ksettings     = bnxt_set_link_ksettings,
3660         .get_pauseparam         = bnxt_get_pauseparam,
3661         .set_pauseparam         = bnxt_set_pauseparam,
3662         .get_drvinfo            = bnxt_get_drvinfo,
3663         .get_regs_len           = bnxt_get_regs_len,
3664         .get_regs               = bnxt_get_regs,
3665         .get_wol                = bnxt_get_wol,
3666         .set_wol                = bnxt_set_wol,
3667         .get_coalesce           = bnxt_get_coalesce,
3668         .set_coalesce           = bnxt_set_coalesce,
3669         .get_msglevel           = bnxt_get_msglevel,
3670         .set_msglevel           = bnxt_set_msglevel,
3671         .get_sset_count         = bnxt_get_sset_count,
3672         .get_strings            = bnxt_get_strings,
3673         .get_ethtool_stats      = bnxt_get_ethtool_stats,
3674         .set_ringparam          = bnxt_set_ringparam,
3675         .get_ringparam          = bnxt_get_ringparam,
3676         .get_channels           = bnxt_get_channels,
3677         .set_channels           = bnxt_set_channels,
3678         .get_rxnfc              = bnxt_get_rxnfc,
3679         .set_rxnfc              = bnxt_set_rxnfc,
3680         .get_rxfh_indir_size    = bnxt_get_rxfh_indir_size,
3681         .get_rxfh_key_size      = bnxt_get_rxfh_key_size,
3682         .get_rxfh               = bnxt_get_rxfh,
3683         .set_rxfh               = bnxt_set_rxfh,
3684         .flash_device           = bnxt_flash_device,
3685         .get_eeprom_len         = bnxt_get_eeprom_len,
3686         .get_eeprom             = bnxt_get_eeprom,
3687         .set_eeprom             = bnxt_set_eeprom,
3688         .get_link               = bnxt_get_link,
3689         .get_eee                = bnxt_get_eee,
3690         .set_eee                = bnxt_set_eee,
3691         .get_module_info        = bnxt_get_module_info,
3692         .get_module_eeprom      = bnxt_get_module_eeprom,
3693         .nway_reset             = bnxt_nway_reset,
3694         .set_phys_id            = bnxt_set_phys_id,
3695         .self_test              = bnxt_self_test,
3696         .reset                  = bnxt_reset,
3697         .set_dump               = bnxt_set_dump,
3698         .get_dump_flag          = bnxt_get_dump_flag,
3699         .get_dump_data          = bnxt_get_dump_data,
3700 };