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qede: Honor user request for Tx buffers
[uclinux-h8/linux.git] / drivers / net / ethernet / qlogic / qede / qede_ethtool.c
1 /* QLogic qede NIC Driver
2  * Copyright (c) 2015-2017  QLogic Corporation
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and /or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 #include <linux/version.h>
33 #include <linux/types.h>
34 #include <linux/netdevice.h>
35 #include <linux/etherdevice.h>
36 #include <linux/ethtool.h>
37 #include <linux/string.h>
38 #include <linux/pci.h>
39 #include <linux/capability.h>
40 #include <linux/vmalloc.h>
41 #include "qede.h"
42 #include "qede_ptp.h"
43
44 #define QEDE_RQSTAT_OFFSET(stat_name) \
45          (offsetof(struct qede_rx_queue, stat_name))
46 #define QEDE_RQSTAT_STRING(stat_name) (#stat_name)
47 #define QEDE_RQSTAT(stat_name) \
48          {QEDE_RQSTAT_OFFSET(stat_name), QEDE_RQSTAT_STRING(stat_name)}
49
50 #define QEDE_SELFTEST_POLL_COUNT 100
51
52 static const struct {
53         u64 offset;
54         char string[ETH_GSTRING_LEN];
55 } qede_rqstats_arr[] = {
56         QEDE_RQSTAT(rcv_pkts),
57         QEDE_RQSTAT(rx_hw_errors),
58         QEDE_RQSTAT(rx_alloc_errors),
59         QEDE_RQSTAT(rx_ip_frags),
60         QEDE_RQSTAT(xdp_no_pass),
61 };
62
63 #define QEDE_NUM_RQSTATS ARRAY_SIZE(qede_rqstats_arr)
64 #define QEDE_TQSTAT_OFFSET(stat_name) \
65         (offsetof(struct qede_tx_queue, stat_name))
66 #define QEDE_TQSTAT_STRING(stat_name) (#stat_name)
67 #define QEDE_TQSTAT(stat_name) \
68         {QEDE_TQSTAT_OFFSET(stat_name), QEDE_TQSTAT_STRING(stat_name)}
69 #define QEDE_NUM_TQSTATS ARRAY_SIZE(qede_tqstats_arr)
70 static const struct {
71         u64 offset;
72         char string[ETH_GSTRING_LEN];
73 } qede_tqstats_arr[] = {
74         QEDE_TQSTAT(xmit_pkts),
75         QEDE_TQSTAT(stopped_cnt),
76 };
77
78 #define QEDE_STAT_OFFSET(stat_name, type, base) \
79         (offsetof(type, stat_name) + (base))
80 #define QEDE_STAT_STRING(stat_name)     (#stat_name)
81 #define _QEDE_STAT(stat_name, type, base, attr) \
82         {QEDE_STAT_OFFSET(stat_name, type, base), \
83          QEDE_STAT_STRING(stat_name), \
84          attr}
85 #define QEDE_STAT(stat_name) \
86         _QEDE_STAT(stat_name, struct qede_stats_common, 0, 0x0)
87 #define QEDE_PF_STAT(stat_name) \
88         _QEDE_STAT(stat_name, struct qede_stats_common, 0, \
89                    BIT(QEDE_STAT_PF_ONLY))
90 #define QEDE_PF_BB_STAT(stat_name) \
91         _QEDE_STAT(stat_name, struct qede_stats_bb, \
92                    offsetof(struct qede_stats, bb), \
93                    BIT(QEDE_STAT_PF_ONLY) | BIT(QEDE_STAT_BB_ONLY))
94 #define QEDE_PF_AH_STAT(stat_name) \
95         _QEDE_STAT(stat_name, struct qede_stats_ah, \
96                    offsetof(struct qede_stats, ah), \
97                    BIT(QEDE_STAT_PF_ONLY) | BIT(QEDE_STAT_AH_ONLY))
98 static const struct {
99         u64 offset;
100         char string[ETH_GSTRING_LEN];
101         unsigned long attr;
102 #define QEDE_STAT_PF_ONLY       0
103 #define QEDE_STAT_BB_ONLY       1
104 #define QEDE_STAT_AH_ONLY       2
105 } qede_stats_arr[] = {
106         QEDE_STAT(rx_ucast_bytes),
107         QEDE_STAT(rx_mcast_bytes),
108         QEDE_STAT(rx_bcast_bytes),
109         QEDE_STAT(rx_ucast_pkts),
110         QEDE_STAT(rx_mcast_pkts),
111         QEDE_STAT(rx_bcast_pkts),
112
113         QEDE_STAT(tx_ucast_bytes),
114         QEDE_STAT(tx_mcast_bytes),
115         QEDE_STAT(tx_bcast_bytes),
116         QEDE_STAT(tx_ucast_pkts),
117         QEDE_STAT(tx_mcast_pkts),
118         QEDE_STAT(tx_bcast_pkts),
119
120         QEDE_PF_STAT(rx_64_byte_packets),
121         QEDE_PF_STAT(rx_65_to_127_byte_packets),
122         QEDE_PF_STAT(rx_128_to_255_byte_packets),
123         QEDE_PF_STAT(rx_256_to_511_byte_packets),
124         QEDE_PF_STAT(rx_512_to_1023_byte_packets),
125         QEDE_PF_STAT(rx_1024_to_1518_byte_packets),
126         QEDE_PF_BB_STAT(rx_1519_to_1522_byte_packets),
127         QEDE_PF_BB_STAT(rx_1519_to_2047_byte_packets),
128         QEDE_PF_BB_STAT(rx_2048_to_4095_byte_packets),
129         QEDE_PF_BB_STAT(rx_4096_to_9216_byte_packets),
130         QEDE_PF_BB_STAT(rx_9217_to_16383_byte_packets),
131         QEDE_PF_AH_STAT(rx_1519_to_max_byte_packets),
132         QEDE_PF_STAT(tx_64_byte_packets),
133         QEDE_PF_STAT(tx_65_to_127_byte_packets),
134         QEDE_PF_STAT(tx_128_to_255_byte_packets),
135         QEDE_PF_STAT(tx_256_to_511_byte_packets),
136         QEDE_PF_STAT(tx_512_to_1023_byte_packets),
137         QEDE_PF_STAT(tx_1024_to_1518_byte_packets),
138         QEDE_PF_BB_STAT(tx_1519_to_2047_byte_packets),
139         QEDE_PF_BB_STAT(tx_2048_to_4095_byte_packets),
140         QEDE_PF_BB_STAT(tx_4096_to_9216_byte_packets),
141         QEDE_PF_BB_STAT(tx_9217_to_16383_byte_packets),
142         QEDE_PF_AH_STAT(tx_1519_to_max_byte_packets),
143         QEDE_PF_STAT(rx_mac_crtl_frames),
144         QEDE_PF_STAT(tx_mac_ctrl_frames),
145         QEDE_PF_STAT(rx_pause_frames),
146         QEDE_PF_STAT(tx_pause_frames),
147         QEDE_PF_STAT(rx_pfc_frames),
148         QEDE_PF_STAT(tx_pfc_frames),
149
150         QEDE_PF_STAT(rx_crc_errors),
151         QEDE_PF_STAT(rx_align_errors),
152         QEDE_PF_STAT(rx_carrier_errors),
153         QEDE_PF_STAT(rx_oversize_packets),
154         QEDE_PF_STAT(rx_jabbers),
155         QEDE_PF_STAT(rx_undersize_packets),
156         QEDE_PF_STAT(rx_fragments),
157         QEDE_PF_BB_STAT(tx_lpi_entry_count),
158         QEDE_PF_BB_STAT(tx_total_collisions),
159         QEDE_PF_STAT(brb_truncates),
160         QEDE_PF_STAT(brb_discards),
161         QEDE_STAT(no_buff_discards),
162         QEDE_PF_STAT(mftag_filter_discards),
163         QEDE_PF_STAT(mac_filter_discards),
164         QEDE_STAT(tx_err_drop_pkts),
165         QEDE_STAT(ttl0_discard),
166         QEDE_STAT(packet_too_big_discard),
167
168         QEDE_STAT(coalesced_pkts),
169         QEDE_STAT(coalesced_events),
170         QEDE_STAT(coalesced_aborts_num),
171         QEDE_STAT(non_coalesced_pkts),
172         QEDE_STAT(coalesced_bytes),
173 };
174
175 #define QEDE_NUM_STATS  ARRAY_SIZE(qede_stats_arr)
176 #define QEDE_STAT_IS_PF_ONLY(i) \
177         test_bit(QEDE_STAT_PF_ONLY, &qede_stats_arr[i].attr)
178 #define QEDE_STAT_IS_BB_ONLY(i) \
179         test_bit(QEDE_STAT_BB_ONLY, &qede_stats_arr[i].attr)
180 #define QEDE_STAT_IS_AH_ONLY(i) \
181         test_bit(QEDE_STAT_AH_ONLY, &qede_stats_arr[i].attr)
182
183 enum {
184         QEDE_PRI_FLAG_CMT,
185         QEDE_PRI_FLAG_LEN,
186 };
187
188 static const char qede_private_arr[QEDE_PRI_FLAG_LEN][ETH_GSTRING_LEN] = {
189         "Coupled-Function",
190 };
191
192 enum qede_ethtool_tests {
193         QEDE_ETHTOOL_INT_LOOPBACK,
194         QEDE_ETHTOOL_INTERRUPT_TEST,
195         QEDE_ETHTOOL_MEMORY_TEST,
196         QEDE_ETHTOOL_REGISTER_TEST,
197         QEDE_ETHTOOL_CLOCK_TEST,
198         QEDE_ETHTOOL_NVRAM_TEST,
199         QEDE_ETHTOOL_TEST_MAX
200 };
201
202 static const char qede_tests_str_arr[QEDE_ETHTOOL_TEST_MAX][ETH_GSTRING_LEN] = {
203         "Internal loopback (offline)",
204         "Interrupt (online)\t",
205         "Memory (online)\t\t",
206         "Register (online)\t",
207         "Clock (online)\t\t",
208         "Nvram (online)\t\t",
209 };
210
211 static void qede_get_strings_stats_txq(struct qede_dev *edev,
212                                        struct qede_tx_queue *txq, u8 **buf)
213 {
214         int i;
215
216         for (i = 0; i < QEDE_NUM_TQSTATS; i++) {
217                 if (txq->is_xdp)
218                         sprintf(*buf, "%d [XDP]: %s",
219                                 QEDE_TXQ_XDP_TO_IDX(edev, txq),
220                                 qede_tqstats_arr[i].string);
221                 else
222                         sprintf(*buf, "%d: %s", txq->index,
223                                 qede_tqstats_arr[i].string);
224                 *buf += ETH_GSTRING_LEN;
225         }
226 }
227
228 static void qede_get_strings_stats_rxq(struct qede_dev *edev,
229                                        struct qede_rx_queue *rxq, u8 **buf)
230 {
231         int i;
232
233         for (i = 0; i < QEDE_NUM_RQSTATS; i++) {
234                 sprintf(*buf, "%d: %s", rxq->rxq_id,
235                         qede_rqstats_arr[i].string);
236                 *buf += ETH_GSTRING_LEN;
237         }
238 }
239
240 static bool qede_is_irrelevant_stat(struct qede_dev *edev, int stat_index)
241 {
242         return (IS_VF(edev) && QEDE_STAT_IS_PF_ONLY(stat_index)) ||
243                (QEDE_IS_BB(edev) && QEDE_STAT_IS_AH_ONLY(stat_index)) ||
244                (QEDE_IS_AH(edev) && QEDE_STAT_IS_BB_ONLY(stat_index));
245 }
246
247 static void qede_get_strings_stats(struct qede_dev *edev, u8 *buf)
248 {
249         struct qede_fastpath *fp;
250         int i;
251
252         /* Account for queue statistics */
253         for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) {
254                 fp = &edev->fp_array[i];
255
256                 if (fp->type & QEDE_FASTPATH_RX)
257                         qede_get_strings_stats_rxq(edev, fp->rxq, &buf);
258
259                 if (fp->type & QEDE_FASTPATH_XDP)
260                         qede_get_strings_stats_txq(edev, fp->xdp_tx, &buf);
261
262                 if (fp->type & QEDE_FASTPATH_TX)
263                         qede_get_strings_stats_txq(edev, fp->txq, &buf);
264         }
265
266         /* Account for non-queue statistics */
267         for (i = 0; i < QEDE_NUM_STATS; i++) {
268                 if (qede_is_irrelevant_stat(edev, i))
269                         continue;
270                 strcpy(buf, qede_stats_arr[i].string);
271                 buf += ETH_GSTRING_LEN;
272         }
273 }
274
275 static void qede_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
276 {
277         struct qede_dev *edev = netdev_priv(dev);
278
279         switch (stringset) {
280         case ETH_SS_STATS:
281                 qede_get_strings_stats(edev, buf);
282                 break;
283         case ETH_SS_PRIV_FLAGS:
284                 memcpy(buf, qede_private_arr,
285                        ETH_GSTRING_LEN * QEDE_PRI_FLAG_LEN);
286                 break;
287         case ETH_SS_TEST:
288                 memcpy(buf, qede_tests_str_arr,
289                        ETH_GSTRING_LEN * QEDE_ETHTOOL_TEST_MAX);
290                 break;
291         default:
292                 DP_VERBOSE(edev, QED_MSG_DEBUG,
293                            "Unsupported stringset 0x%08x\n", stringset);
294         }
295 }
296
297 static void qede_get_ethtool_stats_txq(struct qede_tx_queue *txq, u64 **buf)
298 {
299         int i;
300
301         for (i = 0; i < QEDE_NUM_TQSTATS; i++) {
302                 **buf = *((u64 *)(((void *)txq) + qede_tqstats_arr[i].offset));
303                 (*buf)++;
304         }
305 }
306
307 static void qede_get_ethtool_stats_rxq(struct qede_rx_queue *rxq, u64 **buf)
308 {
309         int i;
310
311         for (i = 0; i < QEDE_NUM_RQSTATS; i++) {
312                 **buf = *((u64 *)(((void *)rxq) + qede_rqstats_arr[i].offset));
313                 (*buf)++;
314         }
315 }
316
317 static void qede_get_ethtool_stats(struct net_device *dev,
318                                    struct ethtool_stats *stats, u64 *buf)
319 {
320         struct qede_dev *edev = netdev_priv(dev);
321         struct qede_fastpath *fp;
322         int i;
323
324         qede_fill_by_demand_stats(edev);
325
326         /* Need to protect the access to the fastpath array */
327         __qede_lock(edev);
328
329         for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) {
330                 fp = &edev->fp_array[i];
331
332                 if (fp->type & QEDE_FASTPATH_RX)
333                         qede_get_ethtool_stats_rxq(fp->rxq, &buf);
334
335                 if (fp->type & QEDE_FASTPATH_XDP)
336                         qede_get_ethtool_stats_txq(fp->xdp_tx, &buf);
337
338                 if (fp->type & QEDE_FASTPATH_TX)
339                         qede_get_ethtool_stats_txq(fp->txq, &buf);
340         }
341
342         for (i = 0; i < QEDE_NUM_STATS; i++) {
343                 if (qede_is_irrelevant_stat(edev, i))
344                         continue;
345                 *buf = *((u64 *)(((void *)&edev->stats) +
346                                  qede_stats_arr[i].offset));
347
348                 buf++;
349         }
350
351         __qede_unlock(edev);
352 }
353
354 static int qede_get_sset_count(struct net_device *dev, int stringset)
355 {
356         struct qede_dev *edev = netdev_priv(dev);
357         int num_stats = QEDE_NUM_STATS, i;
358
359         switch (stringset) {
360         case ETH_SS_STATS:
361                 for (i = 0; i < QEDE_NUM_STATS; i++)
362                         if (qede_is_irrelevant_stat(edev, i))
363                                 num_stats--;
364
365                 /* Account for the Regular Tx statistics */
366                 num_stats += QEDE_TSS_COUNT(edev) * QEDE_NUM_TQSTATS;
367
368                 /* Account for the Regular Rx statistics */
369                 num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_RQSTATS;
370
371                 /* Account for XDP statistics [if needed] */
372                 if (edev->xdp_prog)
373                         num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_TQSTATS;
374                 return num_stats;
375
376         case ETH_SS_PRIV_FLAGS:
377                 return QEDE_PRI_FLAG_LEN;
378         case ETH_SS_TEST:
379                 if (!IS_VF(edev))
380                         return QEDE_ETHTOOL_TEST_MAX;
381                 else
382                         return 0;
383         default:
384                 DP_VERBOSE(edev, QED_MSG_DEBUG,
385                            "Unsupported stringset 0x%08x\n", stringset);
386                 return -EINVAL;
387         }
388 }
389
390 static u32 qede_get_priv_flags(struct net_device *dev)
391 {
392         struct qede_dev *edev = netdev_priv(dev);
393
394         return (!!(edev->dev_info.common.num_hwfns > 1)) << QEDE_PRI_FLAG_CMT;
395 }
396
397 struct qede_link_mode_mapping {
398         u32 qed_link_mode;
399         u32 ethtool_link_mode;
400 };
401
402 static const struct qede_link_mode_mapping qed_lm_map[] = {
403         {QED_LM_FIBRE_BIT, ETHTOOL_LINK_MODE_FIBRE_BIT},
404         {QED_LM_Autoneg_BIT, ETHTOOL_LINK_MODE_Autoneg_BIT},
405         {QED_LM_Asym_Pause_BIT, ETHTOOL_LINK_MODE_Asym_Pause_BIT},
406         {QED_LM_Pause_BIT, ETHTOOL_LINK_MODE_Pause_BIT},
407         {QED_LM_1000baseT_Half_BIT, ETHTOOL_LINK_MODE_1000baseT_Half_BIT},
408         {QED_LM_1000baseT_Full_BIT, ETHTOOL_LINK_MODE_1000baseT_Full_BIT},
409         {QED_LM_10000baseKR_Full_BIT, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT},
410         {QED_LM_25000baseKR_Full_BIT, ETHTOOL_LINK_MODE_25000baseKR_Full_BIT},
411         {QED_LM_40000baseLR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT},
412         {QED_LM_50000baseKR2_Full_BIT, ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT},
413         {QED_LM_100000baseKR4_Full_BIT,
414          ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT},
415 };
416
417 #define QEDE_DRV_TO_ETHTOOL_CAPS(caps, lk_ksettings, name)      \
418 {                                                               \
419         int i;                                                  \
420                                                                 \
421         for (i = 0; i < ARRAY_SIZE(qed_lm_map); i++) {          \
422                 if ((caps) & (qed_lm_map[i].qed_link_mode))     \
423                         __set_bit(qed_lm_map[i].ethtool_link_mode,\
424                                   lk_ksettings->link_modes.name); \
425         }                                                       \
426 }
427
428 #define QEDE_ETHTOOL_TO_DRV_CAPS(caps, lk_ksettings, name)      \
429 {                                                               \
430         int i;                                                  \
431                                                                 \
432         for (i = 0; i < ARRAY_SIZE(qed_lm_map); i++) {          \
433                 if (test_bit(qed_lm_map[i].ethtool_link_mode,   \
434                              lk_ksettings->link_modes.name))    \
435                         caps |= qed_lm_map[i].qed_link_mode;    \
436         }                                                       \
437 }
438
439 static int qede_get_link_ksettings(struct net_device *dev,
440                                    struct ethtool_link_ksettings *cmd)
441 {
442         struct ethtool_link_settings *base = &cmd->base;
443         struct qede_dev *edev = netdev_priv(dev);
444         struct qed_link_output current_link;
445
446         __qede_lock(edev);
447
448         memset(&current_link, 0, sizeof(current_link));
449         edev->ops->common->get_link(edev->cdev, &current_link);
450
451         ethtool_link_ksettings_zero_link_mode(cmd, supported);
452         QEDE_DRV_TO_ETHTOOL_CAPS(current_link.supported_caps, cmd, supported)
453
454         ethtool_link_ksettings_zero_link_mode(cmd, advertising);
455         QEDE_DRV_TO_ETHTOOL_CAPS(current_link.advertised_caps, cmd, advertising)
456
457         ethtool_link_ksettings_zero_link_mode(cmd, lp_advertising);
458         QEDE_DRV_TO_ETHTOOL_CAPS(current_link.lp_caps, cmd, lp_advertising)
459
460         if ((edev->state == QEDE_STATE_OPEN) && (current_link.link_up)) {
461                 base->speed = current_link.speed;
462                 base->duplex = current_link.duplex;
463         } else {
464                 base->speed = SPEED_UNKNOWN;
465                 base->duplex = DUPLEX_UNKNOWN;
466         }
467
468         __qede_unlock(edev);
469
470         base->port = current_link.port;
471         base->autoneg = (current_link.autoneg) ? AUTONEG_ENABLE :
472                         AUTONEG_DISABLE;
473
474         return 0;
475 }
476
477 static int qede_set_link_ksettings(struct net_device *dev,
478                                    const struct ethtool_link_ksettings *cmd)
479 {
480         const struct ethtool_link_settings *base = &cmd->base;
481         struct qede_dev *edev = netdev_priv(dev);
482         struct qed_link_output current_link;
483         struct qed_link_params params;
484
485         if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) {
486                 DP_INFO(edev, "Link settings are not allowed to be changed\n");
487                 return -EOPNOTSUPP;
488         }
489         memset(&current_link, 0, sizeof(current_link));
490         memset(&params, 0, sizeof(params));
491         edev->ops->common->get_link(edev->cdev, &current_link);
492
493         params.override_flags |= QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS;
494         params.override_flags |= QED_LINK_OVERRIDE_SPEED_AUTONEG;
495         if (base->autoneg == AUTONEG_ENABLE) {
496                 if (!(current_link.supported_caps & QED_LM_Autoneg_BIT)) {
497                         DP_INFO(edev, "Auto negotiation is not supported\n");
498                         return -EOPNOTSUPP;
499                 }
500
501                 params.autoneg = true;
502                 params.forced_speed = 0;
503                 QEDE_ETHTOOL_TO_DRV_CAPS(params.adv_speeds, cmd, advertising)
504         } else {                /* forced speed */
505                 params.override_flags |= QED_LINK_OVERRIDE_SPEED_FORCED_SPEED;
506                 params.autoneg = false;
507                 params.forced_speed = base->speed;
508                 switch (base->speed) {
509                 case SPEED_10000:
510                         if (!(current_link.supported_caps &
511                               QED_LM_10000baseKR_Full_BIT)) {
512                                 DP_INFO(edev, "10G speed not supported\n");
513                                 return -EINVAL;
514                         }
515                         params.adv_speeds = QED_LM_10000baseKR_Full_BIT;
516                         break;
517                 case SPEED_25000:
518                         if (!(current_link.supported_caps &
519                               QED_LM_25000baseKR_Full_BIT)) {
520                                 DP_INFO(edev, "25G speed not supported\n");
521                                 return -EINVAL;
522                         }
523                         params.adv_speeds = QED_LM_25000baseKR_Full_BIT;
524                         break;
525                 case SPEED_40000:
526                         if (!(current_link.supported_caps &
527                               QED_LM_40000baseLR4_Full_BIT)) {
528                                 DP_INFO(edev, "40G speed not supported\n");
529                                 return -EINVAL;
530                         }
531                         params.adv_speeds = QED_LM_40000baseLR4_Full_BIT;
532                         break;
533                 case SPEED_50000:
534                         if (!(current_link.supported_caps &
535                               QED_LM_50000baseKR2_Full_BIT)) {
536                                 DP_INFO(edev, "50G speed not supported\n");
537                                 return -EINVAL;
538                         }
539                         params.adv_speeds = QED_LM_50000baseKR2_Full_BIT;
540                         break;
541                 case SPEED_100000:
542                         if (!(current_link.supported_caps &
543                               QED_LM_100000baseKR4_Full_BIT)) {
544                                 DP_INFO(edev, "100G speed not supported\n");
545                                 return -EINVAL;
546                         }
547                         params.adv_speeds = QED_LM_100000baseKR4_Full_BIT;
548                         break;
549                 default:
550                         DP_INFO(edev, "Unsupported speed %u\n", base->speed);
551                         return -EINVAL;
552                 }
553         }
554
555         params.link_up = true;
556         edev->ops->common->set_link(edev->cdev, &params);
557
558         return 0;
559 }
560
561 static void qede_get_drvinfo(struct net_device *ndev,
562                              struct ethtool_drvinfo *info)
563 {
564         char mfw[ETHTOOL_FWVERS_LEN], storm[ETHTOOL_FWVERS_LEN];
565         struct qede_dev *edev = netdev_priv(ndev);
566
567         strlcpy(info->driver, "qede", sizeof(info->driver));
568         strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
569
570         snprintf(storm, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d",
571                  edev->dev_info.common.fw_major,
572                  edev->dev_info.common.fw_minor,
573                  edev->dev_info.common.fw_rev,
574                  edev->dev_info.common.fw_eng);
575
576         snprintf(mfw, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d",
577                  (edev->dev_info.common.mfw_rev >> 24) & 0xFF,
578                  (edev->dev_info.common.mfw_rev >> 16) & 0xFF,
579                  (edev->dev_info.common.mfw_rev >> 8) & 0xFF,
580                  edev->dev_info.common.mfw_rev & 0xFF);
581
582         if ((strlen(storm) + strlen(mfw) + strlen("mfw storm  ")) <
583             sizeof(info->fw_version)) {
584                 snprintf(info->fw_version, sizeof(info->fw_version),
585                          "mfw %s storm %s", mfw, storm);
586         } else {
587                 snprintf(info->fw_version, sizeof(info->fw_version),
588                          "%s %s", mfw, storm);
589         }
590
591         strlcpy(info->bus_info, pci_name(edev->pdev), sizeof(info->bus_info));
592 }
593
594 static void qede_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
595 {
596         struct qede_dev *edev = netdev_priv(ndev);
597
598         if (edev->dev_info.common.wol_support) {
599                 wol->supported = WAKE_MAGIC;
600                 wol->wolopts = edev->wol_enabled ? WAKE_MAGIC : 0;
601         }
602 }
603
604 static int qede_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
605 {
606         struct qede_dev *edev = netdev_priv(ndev);
607         bool wol_requested;
608         int rc;
609
610         if (wol->wolopts & ~WAKE_MAGIC) {
611                 DP_INFO(edev,
612                         "Can't support WoL options other than magic-packet\n");
613                 return -EINVAL;
614         }
615
616         wol_requested = !!(wol->wolopts & WAKE_MAGIC);
617         if (wol_requested == edev->wol_enabled)
618                 return 0;
619
620         /* Need to actually change configuration */
621         if (!edev->dev_info.common.wol_support) {
622                 DP_INFO(edev, "Device doesn't support WoL\n");
623                 return -EINVAL;
624         }
625
626         rc = edev->ops->common->update_wol(edev->cdev, wol_requested);
627         if (!rc)
628                 edev->wol_enabled = wol_requested;
629
630         return rc;
631 }
632
633 static u32 qede_get_msglevel(struct net_device *ndev)
634 {
635         struct qede_dev *edev = netdev_priv(ndev);
636
637         return ((u32)edev->dp_level << QED_LOG_LEVEL_SHIFT) | edev->dp_module;
638 }
639
640 static void qede_set_msglevel(struct net_device *ndev, u32 level)
641 {
642         struct qede_dev *edev = netdev_priv(ndev);
643         u32 dp_module = 0;
644         u8 dp_level = 0;
645
646         qede_config_debug(level, &dp_module, &dp_level);
647
648         edev->dp_level = dp_level;
649         edev->dp_module = dp_module;
650         edev->ops->common->update_msglvl(edev->cdev,
651                                          dp_module, dp_level);
652 }
653
654 static int qede_nway_reset(struct net_device *dev)
655 {
656         struct qede_dev *edev = netdev_priv(dev);
657         struct qed_link_output current_link;
658         struct qed_link_params link_params;
659
660         if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) {
661                 DP_INFO(edev, "Link settings are not allowed to be changed\n");
662                 return -EOPNOTSUPP;
663         }
664
665         if (!netif_running(dev))
666                 return 0;
667
668         memset(&current_link, 0, sizeof(current_link));
669         edev->ops->common->get_link(edev->cdev, &current_link);
670         if (!current_link.link_up)
671                 return 0;
672
673         /* Toggle the link */
674         memset(&link_params, 0, sizeof(link_params));
675         link_params.link_up = false;
676         edev->ops->common->set_link(edev->cdev, &link_params);
677         link_params.link_up = true;
678         edev->ops->common->set_link(edev->cdev, &link_params);
679
680         return 0;
681 }
682
683 static u32 qede_get_link(struct net_device *dev)
684 {
685         struct qede_dev *edev = netdev_priv(dev);
686         struct qed_link_output current_link;
687
688         memset(&current_link, 0, sizeof(current_link));
689         edev->ops->common->get_link(edev->cdev, &current_link);
690
691         return current_link.link_up;
692 }
693
694 static int qede_get_coalesce(struct net_device *dev,
695                              struct ethtool_coalesce *coal)
696 {
697         struct qede_dev *edev = netdev_priv(dev);
698         u16 rxc, txc;
699
700         memset(coal, 0, sizeof(struct ethtool_coalesce));
701         edev->ops->common->get_coalesce(edev->cdev, &rxc, &txc);
702
703         coal->rx_coalesce_usecs = rxc;
704         coal->tx_coalesce_usecs = txc;
705
706         return 0;
707 }
708
709 static int qede_set_coalesce(struct net_device *dev,
710                              struct ethtool_coalesce *coal)
711 {
712         struct qede_dev *edev = netdev_priv(dev);
713         int i, rc = 0;
714         u16 rxc, txc, sb_id;
715
716         if (!netif_running(dev)) {
717                 DP_INFO(edev, "Interface is down\n");
718                 return -EINVAL;
719         }
720
721         if (coal->rx_coalesce_usecs > QED_COALESCE_MAX ||
722             coal->tx_coalesce_usecs > QED_COALESCE_MAX) {
723                 DP_INFO(edev,
724                         "Can't support requested %s coalesce value [max supported value %d]\n",
725                         coal->rx_coalesce_usecs > QED_COALESCE_MAX ? "rx"
726                                                                    : "tx",
727                         QED_COALESCE_MAX);
728                 return -EINVAL;
729         }
730
731         rxc = (u16)coal->rx_coalesce_usecs;
732         txc = (u16)coal->tx_coalesce_usecs;
733         for_each_queue(i) {
734                 sb_id = edev->fp_array[i].sb_info->igu_sb_id;
735                 rc = edev->ops->common->set_coalesce(edev->cdev, rxc, txc,
736                                                      (u16)i, sb_id);
737                 if (rc) {
738                         DP_INFO(edev, "Set coalesce error, rc = %d\n", rc);
739                         return rc;
740                 }
741         }
742
743         return rc;
744 }
745
746 static void qede_get_ringparam(struct net_device *dev,
747                                struct ethtool_ringparam *ering)
748 {
749         struct qede_dev *edev = netdev_priv(dev);
750
751         ering->rx_max_pending = NUM_RX_BDS_MAX;
752         ering->rx_pending = edev->q_num_rx_buffers;
753         ering->tx_max_pending = NUM_TX_BDS_MAX;
754         ering->tx_pending = edev->q_num_tx_buffers;
755 }
756
757 static int qede_set_ringparam(struct net_device *dev,
758                               struct ethtool_ringparam *ering)
759 {
760         struct qede_dev *edev = netdev_priv(dev);
761
762         DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
763                    "Set ring params command parameters: rx_pending = %d, tx_pending = %d\n",
764                    ering->rx_pending, ering->tx_pending);
765
766         /* Validate legality of configuration */
767         if (ering->rx_pending > NUM_RX_BDS_MAX ||
768             ering->rx_pending < NUM_RX_BDS_MIN ||
769             ering->tx_pending > NUM_TX_BDS_MAX ||
770             ering->tx_pending < NUM_TX_BDS_MIN) {
771                 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
772                            "Can only support Rx Buffer size [0%08x,...,0x%08x] and Tx Buffer size [0x%08x,...,0x%08x]\n",
773                            NUM_RX_BDS_MIN, NUM_RX_BDS_MAX,
774                            NUM_TX_BDS_MIN, NUM_TX_BDS_MAX);
775                 return -EINVAL;
776         }
777
778         /* Change ring size and re-load */
779         edev->q_num_rx_buffers = ering->rx_pending;
780         edev->q_num_tx_buffers = ering->tx_pending;
781
782         qede_reload(edev, NULL, false);
783
784         return 0;
785 }
786
787 static void qede_get_pauseparam(struct net_device *dev,
788                                 struct ethtool_pauseparam *epause)
789 {
790         struct qede_dev *edev = netdev_priv(dev);
791         struct qed_link_output current_link;
792
793         memset(&current_link, 0, sizeof(current_link));
794         edev->ops->common->get_link(edev->cdev, &current_link);
795
796         if (current_link.pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE)
797                 epause->autoneg = true;
798         if (current_link.pause_config & QED_LINK_PAUSE_RX_ENABLE)
799                 epause->rx_pause = true;
800         if (current_link.pause_config & QED_LINK_PAUSE_TX_ENABLE)
801                 epause->tx_pause = true;
802
803         DP_VERBOSE(edev, QED_MSG_DEBUG,
804                    "ethtool_pauseparam: cmd %d  autoneg %d  rx_pause %d  tx_pause %d\n",
805                    epause->cmd, epause->autoneg, epause->rx_pause,
806                    epause->tx_pause);
807 }
808
809 static int qede_set_pauseparam(struct net_device *dev,
810                                struct ethtool_pauseparam *epause)
811 {
812         struct qede_dev *edev = netdev_priv(dev);
813         struct qed_link_params params;
814         struct qed_link_output current_link;
815
816         if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) {
817                 DP_INFO(edev,
818                         "Pause settings are not allowed to be changed\n");
819                 return -EOPNOTSUPP;
820         }
821
822         memset(&current_link, 0, sizeof(current_link));
823         edev->ops->common->get_link(edev->cdev, &current_link);
824
825         memset(&params, 0, sizeof(params));
826         params.override_flags |= QED_LINK_OVERRIDE_PAUSE_CONFIG;
827         if (epause->autoneg) {
828                 if (!(current_link.supported_caps & QED_LM_Autoneg_BIT)) {
829                         DP_INFO(edev, "autoneg not supported\n");
830                         return -EINVAL;
831                 }
832                 params.pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE;
833         }
834         if (epause->rx_pause)
835                 params.pause_config |= QED_LINK_PAUSE_RX_ENABLE;
836         if (epause->tx_pause)
837                 params.pause_config |= QED_LINK_PAUSE_TX_ENABLE;
838
839         params.link_up = true;
840         edev->ops->common->set_link(edev->cdev, &params);
841
842         return 0;
843 }
844
845 static void qede_get_regs(struct net_device *ndev,
846                           struct ethtool_regs *regs, void *buffer)
847 {
848         struct qede_dev *edev = netdev_priv(ndev);
849
850         regs->version = 0;
851         memset(buffer, 0, regs->len);
852
853         if (edev->ops && edev->ops->common)
854                 edev->ops->common->dbg_all_data(edev->cdev, buffer);
855 }
856
857 static int qede_get_regs_len(struct net_device *ndev)
858 {
859         struct qede_dev *edev = netdev_priv(ndev);
860
861         if (edev->ops && edev->ops->common)
862                 return edev->ops->common->dbg_all_data_size(edev->cdev);
863         else
864                 return -EINVAL;
865 }
866
867 static void qede_update_mtu(struct qede_dev *edev,
868                             struct qede_reload_args *args)
869 {
870         edev->ndev->mtu = args->u.mtu;
871 }
872
873 /* Netdevice NDOs */
874 int qede_change_mtu(struct net_device *ndev, int new_mtu)
875 {
876         struct qede_dev *edev = netdev_priv(ndev);
877         struct qede_reload_args args;
878
879         DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
880                    "Configuring MTU size of %d\n", new_mtu);
881
882         /* Set the mtu field and re-start the interface if needed */
883         args.u.mtu = new_mtu;
884         args.func = &qede_update_mtu;
885         qede_reload(edev, &args, false);
886
887         edev->ops->common->update_mtu(edev->cdev, new_mtu);
888
889         return 0;
890 }
891
892 static void qede_get_channels(struct net_device *dev,
893                               struct ethtool_channels *channels)
894 {
895         struct qede_dev *edev = netdev_priv(dev);
896
897         channels->max_combined = QEDE_MAX_RSS_CNT(edev);
898         channels->max_rx = QEDE_MAX_RSS_CNT(edev);
899         channels->max_tx = QEDE_MAX_RSS_CNT(edev);
900         channels->combined_count = QEDE_QUEUE_CNT(edev) - edev->fp_num_tx -
901                                         edev->fp_num_rx;
902         channels->tx_count = edev->fp_num_tx;
903         channels->rx_count = edev->fp_num_rx;
904 }
905
906 static int qede_set_channels(struct net_device *dev,
907                              struct ethtool_channels *channels)
908 {
909         struct qede_dev *edev = netdev_priv(dev);
910         u32 count;
911
912         DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
913                    "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n",
914                    channels->rx_count, channels->tx_count,
915                    channels->other_count, channels->combined_count);
916
917         count = channels->rx_count + channels->tx_count +
918                         channels->combined_count;
919
920         /* We don't support `other' channels */
921         if (channels->other_count) {
922                 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
923                            "command parameters not supported\n");
924                 return -EINVAL;
925         }
926
927         if (!(channels->combined_count || (channels->rx_count &&
928                                            channels->tx_count))) {
929                 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
930                            "need to request at least one transmit and one receive channel\n");
931                 return -EINVAL;
932         }
933
934         if (count > QEDE_MAX_RSS_CNT(edev)) {
935                 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
936                            "requested channels = %d max supported channels = %d\n",
937                            count, QEDE_MAX_RSS_CNT(edev));
938                 return -EINVAL;
939         }
940
941         /* Check if there was a change in the active parameters */
942         if ((count == QEDE_QUEUE_CNT(edev)) &&
943             (channels->tx_count == edev->fp_num_tx) &&
944             (channels->rx_count == edev->fp_num_rx)) {
945                 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
946                            "No change in active parameters\n");
947                 return 0;
948         }
949
950         /* We need the number of queues to be divisible between the hwfns */
951         if ((count % edev->dev_info.common.num_hwfns) ||
952             (channels->tx_count % edev->dev_info.common.num_hwfns) ||
953             (channels->rx_count % edev->dev_info.common.num_hwfns)) {
954                 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
955                            "Number of channels must be divisible by %04x\n",
956                            edev->dev_info.common.num_hwfns);
957                 return -EINVAL;
958         }
959
960         /* Set number of queues and reload if necessary */
961         edev->req_queues = count;
962         edev->req_num_tx = channels->tx_count;
963         edev->req_num_rx = channels->rx_count;
964         /* Reset the indirection table if rx queue count is updated */
965         if ((edev->req_queues - edev->req_num_tx) != QEDE_RSS_COUNT(edev)) {
966                 edev->rss_params_inited &= ~QEDE_RSS_INDIR_INITED;
967                 memset(edev->rss_ind_table, 0, sizeof(edev->rss_ind_table));
968         }
969
970         qede_reload(edev, NULL, false);
971
972         return 0;
973 }
974
975 static int qede_get_ts_info(struct net_device *dev,
976                             struct ethtool_ts_info *info)
977 {
978         struct qede_dev *edev = netdev_priv(dev);
979
980         return qede_ptp_get_ts_info(edev, info);
981 }
982
983 static int qede_set_phys_id(struct net_device *dev,
984                             enum ethtool_phys_id_state state)
985 {
986         struct qede_dev *edev = netdev_priv(dev);
987         u8 led_state = 0;
988
989         switch (state) {
990         case ETHTOOL_ID_ACTIVE:
991                 return 1;       /* cycle on/off once per second */
992
993         case ETHTOOL_ID_ON:
994                 led_state = QED_LED_MODE_ON;
995                 break;
996
997         case ETHTOOL_ID_OFF:
998                 led_state = QED_LED_MODE_OFF;
999                 break;
1000
1001         case ETHTOOL_ID_INACTIVE:
1002                 led_state = QED_LED_MODE_RESTORE;
1003                 break;
1004         }
1005
1006         edev->ops->common->set_led(edev->cdev, led_state);
1007
1008         return 0;
1009 }
1010
1011 static int qede_get_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info)
1012 {
1013         info->data = RXH_IP_SRC | RXH_IP_DST;
1014
1015         switch (info->flow_type) {
1016         case TCP_V4_FLOW:
1017         case TCP_V6_FLOW:
1018                 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1019                 break;
1020         case UDP_V4_FLOW:
1021                 if (edev->rss_caps & QED_RSS_IPV4_UDP)
1022                         info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1023                 break;
1024         case UDP_V6_FLOW:
1025                 if (edev->rss_caps & QED_RSS_IPV6_UDP)
1026                         info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1027                 break;
1028         case IPV4_FLOW:
1029         case IPV6_FLOW:
1030                 break;
1031         default:
1032                 info->data = 0;
1033                 break;
1034         }
1035
1036         return 0;
1037 }
1038
1039 static int qede_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
1040                           u32 *rules __always_unused)
1041 {
1042         struct qede_dev *edev = netdev_priv(dev);
1043
1044         switch (info->cmd) {
1045         case ETHTOOL_GRXRINGS:
1046                 info->data = QEDE_RSS_COUNT(edev);
1047                 return 0;
1048         case ETHTOOL_GRXFH:
1049                 return qede_get_rss_flags(edev, info);
1050         default:
1051                 DP_ERR(edev, "Command parameters not supported\n");
1052                 return -EOPNOTSUPP;
1053         }
1054 }
1055
1056 static int qede_set_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info)
1057 {
1058         struct qed_update_vport_params *vport_update_params;
1059         u8 set_caps = 0, clr_caps = 0;
1060         int rc = 0;
1061
1062         DP_VERBOSE(edev, QED_MSG_DEBUG,
1063                    "Set rss flags command parameters: flow type = %d, data = %llu\n",
1064                    info->flow_type, info->data);
1065
1066         switch (info->flow_type) {
1067         case TCP_V4_FLOW:
1068         case TCP_V6_FLOW:
1069                 /* For TCP only 4-tuple hash is supported */
1070                 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST |
1071                                   RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1072                         DP_INFO(edev, "Command parameters not supported\n");
1073                         return -EINVAL;
1074                 }
1075                 return 0;
1076         case UDP_V4_FLOW:
1077                 /* For UDP either 2-tuple hash or 4-tuple hash is supported */
1078                 if (info->data == (RXH_IP_SRC | RXH_IP_DST |
1079                                    RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1080                         set_caps = QED_RSS_IPV4_UDP;
1081                         DP_VERBOSE(edev, QED_MSG_DEBUG,
1082                                    "UDP 4-tuple enabled\n");
1083                 } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) {
1084                         clr_caps = QED_RSS_IPV4_UDP;
1085                         DP_VERBOSE(edev, QED_MSG_DEBUG,
1086                                    "UDP 4-tuple disabled\n");
1087                 } else {
1088                         return -EINVAL;
1089                 }
1090                 break;
1091         case UDP_V6_FLOW:
1092                 /* For UDP either 2-tuple hash or 4-tuple hash is supported */
1093                 if (info->data == (RXH_IP_SRC | RXH_IP_DST |
1094                                    RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
1095                         set_caps = QED_RSS_IPV6_UDP;
1096                         DP_VERBOSE(edev, QED_MSG_DEBUG,
1097                                    "UDP 4-tuple enabled\n");
1098                 } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) {
1099                         clr_caps = QED_RSS_IPV6_UDP;
1100                         DP_VERBOSE(edev, QED_MSG_DEBUG,
1101                                    "UDP 4-tuple disabled\n");
1102                 } else {
1103                         return -EINVAL;
1104                 }
1105                 break;
1106         case IPV4_FLOW:
1107         case IPV6_FLOW:
1108                 /* For IP only 2-tuple hash is supported */
1109                 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) {
1110                         DP_INFO(edev, "Command parameters not supported\n");
1111                         return -EINVAL;
1112                 }
1113                 return 0;
1114         case SCTP_V4_FLOW:
1115         case AH_ESP_V4_FLOW:
1116         case AH_V4_FLOW:
1117         case ESP_V4_FLOW:
1118         case SCTP_V6_FLOW:
1119         case AH_ESP_V6_FLOW:
1120         case AH_V6_FLOW:
1121         case ESP_V6_FLOW:
1122         case IP_USER_FLOW:
1123         case ETHER_FLOW:
1124                 /* RSS is not supported for these protocols */
1125                 if (info->data) {
1126                         DP_INFO(edev, "Command parameters not supported\n");
1127                         return -EINVAL;
1128                 }
1129                 return 0;
1130         default:
1131                 return -EINVAL;
1132         }
1133
1134         /* No action is needed if there is no change in the rss capability */
1135         if (edev->rss_caps == ((edev->rss_caps & ~clr_caps) | set_caps))
1136                 return 0;
1137
1138         /* Update internal configuration */
1139         edev->rss_caps = ((edev->rss_caps & ~clr_caps) | set_caps);
1140         edev->rss_params_inited |= QEDE_RSS_CAPS_INITED;
1141
1142         /* Re-configure if possible */
1143         __qede_lock(edev);
1144         if (edev->state == QEDE_STATE_OPEN) {
1145                 vport_update_params = vzalloc(sizeof(*vport_update_params));
1146                 if (!vport_update_params) {
1147                         __qede_unlock(edev);
1148                         return -ENOMEM;
1149                 }
1150                 qede_fill_rss_params(edev, &vport_update_params->rss_params,
1151                                      &vport_update_params->update_rss_flg);
1152                 rc = edev->ops->vport_update(edev->cdev, vport_update_params);
1153                 vfree(vport_update_params);
1154         }
1155         __qede_unlock(edev);
1156
1157         return rc;
1158 }
1159
1160 static int qede_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info)
1161 {
1162         struct qede_dev *edev = netdev_priv(dev);
1163
1164         switch (info->cmd) {
1165         case ETHTOOL_SRXFH:
1166                 return qede_set_rss_flags(edev, info);
1167         default:
1168                 DP_INFO(edev, "Command parameters not supported\n");
1169                 return -EOPNOTSUPP;
1170         }
1171 }
1172
1173 static u32 qede_get_rxfh_indir_size(struct net_device *dev)
1174 {
1175         return QED_RSS_IND_TABLE_SIZE;
1176 }
1177
1178 static u32 qede_get_rxfh_key_size(struct net_device *dev)
1179 {
1180         struct qede_dev *edev = netdev_priv(dev);
1181
1182         return sizeof(edev->rss_key);
1183 }
1184
1185 static int qede_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, u8 *hfunc)
1186 {
1187         struct qede_dev *edev = netdev_priv(dev);
1188         int i;
1189
1190         if (hfunc)
1191                 *hfunc = ETH_RSS_HASH_TOP;
1192
1193         if (!indir)
1194                 return 0;
1195
1196         for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++)
1197                 indir[i] = edev->rss_ind_table[i];
1198
1199         if (key)
1200                 memcpy(key, edev->rss_key, qede_get_rxfh_key_size(dev));
1201
1202         return 0;
1203 }
1204
1205 static int qede_set_rxfh(struct net_device *dev, const u32 *indir,
1206                          const u8 *key, const u8 hfunc)
1207 {
1208         struct qed_update_vport_params *vport_update_params;
1209         struct qede_dev *edev = netdev_priv(dev);
1210         int i, rc = 0;
1211
1212         if (edev->dev_info.common.num_hwfns > 1) {
1213                 DP_INFO(edev,
1214                         "RSS configuration is not supported for 100G devices\n");
1215                 return -EOPNOTSUPP;
1216         }
1217
1218         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1219                 return -EOPNOTSUPP;
1220
1221         if (!indir && !key)
1222                 return 0;
1223
1224         if (indir) {
1225                 for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++)
1226                         edev->rss_ind_table[i] = indir[i];
1227                 edev->rss_params_inited |= QEDE_RSS_INDIR_INITED;
1228         }
1229
1230         if (key) {
1231                 memcpy(&edev->rss_key, key, qede_get_rxfh_key_size(dev));
1232                 edev->rss_params_inited |= QEDE_RSS_KEY_INITED;
1233         }
1234
1235         __qede_lock(edev);
1236         if (edev->state == QEDE_STATE_OPEN) {
1237                 vport_update_params = vzalloc(sizeof(*vport_update_params));
1238                 if (!vport_update_params) {
1239                         __qede_unlock(edev);
1240                         return -ENOMEM;
1241                 }
1242                 qede_fill_rss_params(edev, &vport_update_params->rss_params,
1243                                      &vport_update_params->update_rss_flg);
1244                 rc = edev->ops->vport_update(edev->cdev, vport_update_params);
1245                 vfree(vport_update_params);
1246         }
1247         __qede_unlock(edev);
1248
1249         return rc;
1250 }
1251
1252 /* This function enables the interrupt generation and the NAPI on the device */
1253 static void qede_netif_start(struct qede_dev *edev)
1254 {
1255         int i;
1256
1257         if (!netif_running(edev->ndev))
1258                 return;
1259
1260         for_each_queue(i) {
1261                 /* Update and reenable interrupts */
1262                 qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_ENABLE, 1);
1263                 napi_enable(&edev->fp_array[i].napi);
1264         }
1265 }
1266
1267 /* This function disables the NAPI and the interrupt generation on the device */
1268 static void qede_netif_stop(struct qede_dev *edev)
1269 {
1270         int i;
1271
1272         for_each_queue(i) {
1273                 napi_disable(&edev->fp_array[i].napi);
1274                 /* Disable interrupts */
1275                 qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_DISABLE, 0);
1276         }
1277 }
1278
1279 static int qede_selftest_transmit_traffic(struct qede_dev *edev,
1280                                           struct sk_buff *skb)
1281 {
1282         struct qede_tx_queue *txq = NULL;
1283         struct eth_tx_1st_bd *first_bd;
1284         dma_addr_t mapping;
1285         int i, idx, val;
1286
1287         for_each_queue(i) {
1288                 if (edev->fp_array[i].type & QEDE_FASTPATH_TX) {
1289                         txq = edev->fp_array[i].txq;
1290                         break;
1291                 }
1292         }
1293
1294         if (!txq) {
1295                 DP_NOTICE(edev, "Tx path is not available\n");
1296                 return -1;
1297         }
1298
1299         /* Fill the entry in the SW ring and the BDs in the FW ring */
1300         idx = txq->sw_tx_prod;
1301         txq->sw_tx_ring.skbs[idx].skb = skb;
1302         first_bd = qed_chain_produce(&txq->tx_pbl);
1303         memset(first_bd, 0, sizeof(*first_bd));
1304         val = 1 << ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT;
1305         first_bd->data.bd_flags.bitfields = val;
1306         val = skb->len & ETH_TX_DATA_1ST_BD_PKT_LEN_MASK;
1307         first_bd->data.bitfields |= (val << ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT);
1308
1309         /* Map skb linear data for DMA and set in the first BD */
1310         mapping = dma_map_single(&edev->pdev->dev, skb->data,
1311                                  skb_headlen(skb), DMA_TO_DEVICE);
1312         if (unlikely(dma_mapping_error(&edev->pdev->dev, mapping))) {
1313                 DP_NOTICE(edev, "SKB mapping failed\n");
1314                 return -ENOMEM;
1315         }
1316         BD_SET_UNMAP_ADDR_LEN(first_bd, mapping, skb_headlen(skb));
1317
1318         /* update the first BD with the actual num BDs */
1319         first_bd->data.nbds = 1;
1320         txq->sw_tx_prod = (txq->sw_tx_prod + 1) % txq->num_tx_buffers;
1321         /* 'next page' entries are counted in the producer value */
1322         val = cpu_to_le16(qed_chain_get_prod_idx(&txq->tx_pbl));
1323         txq->tx_db.data.bd_prod = val;
1324
1325         /* wmb makes sure that the BDs data is updated before updating the
1326          * producer, otherwise FW may read old data from the BDs.
1327          */
1328         wmb();
1329         barrier();
1330         writel(txq->tx_db.raw, txq->doorbell_addr);
1331
1332         /* mmiowb is needed to synchronize doorbell writes from more than one
1333          * processor. It guarantees that the write arrives to the device before
1334          * the queue lock is released and another start_xmit is called (possibly
1335          * on another CPU). Without this barrier, the next doorbell can bypass
1336          * this doorbell. This is applicable to IA64/Altix systems.
1337          */
1338         mmiowb();
1339
1340         for (i = 0; i < QEDE_SELFTEST_POLL_COUNT; i++) {
1341                 if (qede_txq_has_work(txq))
1342                         break;
1343                 usleep_range(100, 200);
1344         }
1345
1346         if (!qede_txq_has_work(txq)) {
1347                 DP_NOTICE(edev, "Tx completion didn't happen\n");
1348                 return -1;
1349         }
1350
1351         first_bd = (struct eth_tx_1st_bd *)qed_chain_consume(&txq->tx_pbl);
1352         dma_unmap_single(&edev->pdev->dev, BD_UNMAP_ADDR(first_bd),
1353                          BD_UNMAP_LEN(first_bd), DMA_TO_DEVICE);
1354         txq->sw_tx_cons = (txq->sw_tx_cons + 1) % txq->num_tx_buffers;
1355         txq->sw_tx_ring.skbs[idx].skb = NULL;
1356
1357         return 0;
1358 }
1359
1360 static int qede_selftest_receive_traffic(struct qede_dev *edev)
1361 {
1362         u16 hw_comp_cons, sw_comp_cons, sw_rx_index, len;
1363         struct eth_fast_path_rx_reg_cqe *fp_cqe;
1364         struct qede_rx_queue *rxq = NULL;
1365         struct sw_rx_data *sw_rx_data;
1366         union eth_rx_cqe *cqe;
1367         int i, iter, rc = 0;
1368         u8 *data_ptr;
1369
1370         for_each_queue(i) {
1371                 if (edev->fp_array[i].type & QEDE_FASTPATH_RX) {
1372                         rxq = edev->fp_array[i].rxq;
1373                         break;
1374                 }
1375         }
1376
1377         if (!rxq) {
1378                 DP_NOTICE(edev, "Rx path is not available\n");
1379                 return -1;
1380         }
1381
1382         /* The packet is expected to receive on rx-queue 0 even though RSS is
1383          * enabled. This is because the queue 0 is configured as the default
1384          * queue and that the loopback traffic is not IP.
1385          */
1386         for (iter = 0; iter < QEDE_SELFTEST_POLL_COUNT; iter++) {
1387                 if (!qede_has_rx_work(rxq)) {
1388                         usleep_range(100, 200);
1389                         continue;
1390                 }
1391
1392                 hw_comp_cons = le16_to_cpu(*rxq->hw_cons_ptr);
1393                 sw_comp_cons = qed_chain_get_cons_idx(&rxq->rx_comp_ring);
1394
1395                 /* Memory barrier to prevent the CPU from doing speculative
1396                  * reads of CQE/BD before reading hw_comp_cons. If the CQE is
1397                  * read before it is written by FW, then FW writes CQE and SB,
1398                  * and then the CPU reads the hw_comp_cons, it will use an old
1399                  * CQE.
1400                  */
1401                 rmb();
1402
1403                 /* Get the CQE from the completion ring */
1404                 cqe = (union eth_rx_cqe *)qed_chain_consume(&rxq->rx_comp_ring);
1405
1406                 /* Get the data from the SW ring */
1407                 sw_rx_index = rxq->sw_rx_cons & NUM_RX_BDS_MAX;
1408                 sw_rx_data = &rxq->sw_rx_ring[sw_rx_index];
1409                 fp_cqe = &cqe->fast_path_regular;
1410                 len =  le16_to_cpu(fp_cqe->len_on_first_bd);
1411                 data_ptr = (u8 *)(page_address(sw_rx_data->data) +
1412                                   fp_cqe->placement_offset +
1413                                   sw_rx_data->page_offset);
1414                 if (ether_addr_equal(data_ptr,  edev->ndev->dev_addr) &&
1415                     ether_addr_equal(data_ptr + ETH_ALEN,
1416                                      edev->ndev->dev_addr)) {
1417                         for (i = ETH_HLEN; i < len; i++)
1418                                 if (data_ptr[i] != (unsigned char)(i & 0xff)) {
1419                                         rc = -1;
1420                                         break;
1421                                 }
1422
1423                         qede_recycle_rx_bd_ring(rxq, 1);
1424                         qed_chain_recycle_consumed(&rxq->rx_comp_ring);
1425                         break;
1426                 }
1427
1428                 DP_INFO(edev, "Not the transmitted packet\n");
1429                 qede_recycle_rx_bd_ring(rxq, 1);
1430                 qed_chain_recycle_consumed(&rxq->rx_comp_ring);
1431         }
1432
1433         if (iter == QEDE_SELFTEST_POLL_COUNT) {
1434                 DP_NOTICE(edev, "Failed to receive the traffic\n");
1435                 return -1;
1436         }
1437
1438         qede_update_rx_prod(edev, rxq);
1439
1440         return rc;
1441 }
1442
1443 static int qede_selftest_run_loopback(struct qede_dev *edev, u32 loopback_mode)
1444 {
1445         struct qed_link_params link_params;
1446         struct sk_buff *skb = NULL;
1447         int rc = 0, i;
1448         u32 pkt_size;
1449         u8 *packet;
1450
1451         if (!netif_running(edev->ndev)) {
1452                 DP_NOTICE(edev, "Interface is down\n");
1453                 return -EINVAL;
1454         }
1455
1456         qede_netif_stop(edev);
1457
1458         /* Bring up the link in Loopback mode */
1459         memset(&link_params, 0, sizeof(link_params));
1460         link_params.link_up = true;
1461         link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE;
1462         link_params.loopback_mode = loopback_mode;
1463         edev->ops->common->set_link(edev->cdev, &link_params);
1464
1465         /* Wait for loopback configuration to apply */
1466         msleep_interruptible(500);
1467
1468         /* prepare the loopback packet */
1469         pkt_size = edev->ndev->mtu + ETH_HLEN;
1470
1471         skb = netdev_alloc_skb(edev->ndev, pkt_size);
1472         if (!skb) {
1473                 DP_INFO(edev, "Can't allocate skb\n");
1474                 rc = -ENOMEM;
1475                 goto test_loopback_exit;
1476         }
1477         packet = skb_put(skb, pkt_size);
1478         ether_addr_copy(packet, edev->ndev->dev_addr);
1479         ether_addr_copy(packet + ETH_ALEN, edev->ndev->dev_addr);
1480         memset(packet + (2 * ETH_ALEN), 0x77, (ETH_HLEN - (2 * ETH_ALEN)));
1481         for (i = ETH_HLEN; i < pkt_size; i++)
1482                 packet[i] = (unsigned char)(i & 0xff);
1483
1484         rc = qede_selftest_transmit_traffic(edev, skb);
1485         if (rc)
1486                 goto test_loopback_exit;
1487
1488         rc = qede_selftest_receive_traffic(edev);
1489         if (rc)
1490                 goto test_loopback_exit;
1491
1492         DP_VERBOSE(edev, NETIF_MSG_RX_STATUS, "Loopback test successful\n");
1493
1494 test_loopback_exit:
1495         dev_kfree_skb(skb);
1496
1497         /* Bring up the link in Normal mode */
1498         memset(&link_params, 0, sizeof(link_params));
1499         link_params.link_up = true;
1500         link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE;
1501         link_params.loopback_mode = QED_LINK_LOOPBACK_NONE;
1502         edev->ops->common->set_link(edev->cdev, &link_params);
1503
1504         /* Wait for loopback configuration to apply */
1505         msleep_interruptible(500);
1506
1507         qede_netif_start(edev);
1508
1509         return rc;
1510 }
1511
1512 static void qede_self_test(struct net_device *dev,
1513                            struct ethtool_test *etest, u64 *buf)
1514 {
1515         struct qede_dev *edev = netdev_priv(dev);
1516
1517         DP_VERBOSE(edev, QED_MSG_DEBUG,
1518                    "Self-test command parameters: offline = %d, external_lb = %d\n",
1519                    (etest->flags & ETH_TEST_FL_OFFLINE),
1520                    (etest->flags & ETH_TEST_FL_EXTERNAL_LB) >> 2);
1521
1522         memset(buf, 0, sizeof(u64) * QEDE_ETHTOOL_TEST_MAX);
1523
1524         if (etest->flags & ETH_TEST_FL_OFFLINE) {
1525                 if (qede_selftest_run_loopback(edev,
1526                                                QED_LINK_LOOPBACK_INT_PHY)) {
1527                         buf[QEDE_ETHTOOL_INT_LOOPBACK] = 1;
1528                         etest->flags |= ETH_TEST_FL_FAILED;
1529                 }
1530         }
1531
1532         if (edev->ops->common->selftest->selftest_interrupt(edev->cdev)) {
1533                 buf[QEDE_ETHTOOL_INTERRUPT_TEST] = 1;
1534                 etest->flags |= ETH_TEST_FL_FAILED;
1535         }
1536
1537         if (edev->ops->common->selftest->selftest_memory(edev->cdev)) {
1538                 buf[QEDE_ETHTOOL_MEMORY_TEST] = 1;
1539                 etest->flags |= ETH_TEST_FL_FAILED;
1540         }
1541
1542         if (edev->ops->common->selftest->selftest_register(edev->cdev)) {
1543                 buf[QEDE_ETHTOOL_REGISTER_TEST] = 1;
1544                 etest->flags |= ETH_TEST_FL_FAILED;
1545         }
1546
1547         if (edev->ops->common->selftest->selftest_clock(edev->cdev)) {
1548                 buf[QEDE_ETHTOOL_CLOCK_TEST] = 1;
1549                 etest->flags |= ETH_TEST_FL_FAILED;
1550         }
1551
1552         if (edev->ops->common->selftest->selftest_nvram(edev->cdev)) {
1553                 buf[QEDE_ETHTOOL_NVRAM_TEST] = 1;
1554                 etest->flags |= ETH_TEST_FL_FAILED;
1555         }
1556 }
1557
1558 static int qede_set_tunable(struct net_device *dev,
1559                             const struct ethtool_tunable *tuna,
1560                             const void *data)
1561 {
1562         struct qede_dev *edev = netdev_priv(dev);
1563         u32 val;
1564
1565         switch (tuna->id) {
1566         case ETHTOOL_RX_COPYBREAK:
1567                 val = *(u32 *)data;
1568                 if (val < QEDE_MIN_PKT_LEN || val > QEDE_RX_HDR_SIZE) {
1569                         DP_VERBOSE(edev, QED_MSG_DEBUG,
1570                                    "Invalid rx copy break value, range is [%u, %u]",
1571                                    QEDE_MIN_PKT_LEN, QEDE_RX_HDR_SIZE);
1572                         return -EINVAL;
1573                 }
1574
1575                 edev->rx_copybreak = *(u32 *)data;
1576                 break;
1577         default:
1578                 return -EOPNOTSUPP;
1579         }
1580
1581         return 0;
1582 }
1583
1584 static int qede_get_tunable(struct net_device *dev,
1585                             const struct ethtool_tunable *tuna, void *data)
1586 {
1587         struct qede_dev *edev = netdev_priv(dev);
1588
1589         switch (tuna->id) {
1590         case ETHTOOL_RX_COPYBREAK:
1591                 *(u32 *)data = edev->rx_copybreak;
1592                 break;
1593         default:
1594                 return -EOPNOTSUPP;
1595         }
1596
1597         return 0;
1598 }
1599
1600 static const struct ethtool_ops qede_ethtool_ops = {
1601         .get_link_ksettings = qede_get_link_ksettings,
1602         .set_link_ksettings = qede_set_link_ksettings,
1603         .get_drvinfo = qede_get_drvinfo,
1604         .get_regs_len = qede_get_regs_len,
1605         .get_regs = qede_get_regs,
1606         .get_wol = qede_get_wol,
1607         .set_wol = qede_set_wol,
1608         .get_msglevel = qede_get_msglevel,
1609         .set_msglevel = qede_set_msglevel,
1610         .nway_reset = qede_nway_reset,
1611         .get_link = qede_get_link,
1612         .get_coalesce = qede_get_coalesce,
1613         .set_coalesce = qede_set_coalesce,
1614         .get_ringparam = qede_get_ringparam,
1615         .set_ringparam = qede_set_ringparam,
1616         .get_pauseparam = qede_get_pauseparam,
1617         .set_pauseparam = qede_set_pauseparam,
1618         .get_strings = qede_get_strings,
1619         .set_phys_id = qede_set_phys_id,
1620         .get_ethtool_stats = qede_get_ethtool_stats,
1621         .get_priv_flags = qede_get_priv_flags,
1622         .get_sset_count = qede_get_sset_count,
1623         .get_rxnfc = qede_get_rxnfc,
1624         .set_rxnfc = qede_set_rxnfc,
1625         .get_rxfh_indir_size = qede_get_rxfh_indir_size,
1626         .get_rxfh_key_size = qede_get_rxfh_key_size,
1627         .get_rxfh = qede_get_rxfh,
1628         .set_rxfh = qede_set_rxfh,
1629         .get_ts_info = qede_get_ts_info,
1630         .get_channels = qede_get_channels,
1631         .set_channels = qede_set_channels,
1632         .self_test = qede_self_test,
1633         .get_tunable = qede_get_tunable,
1634         .set_tunable = qede_set_tunable,
1635 };
1636
1637 static const struct ethtool_ops qede_vf_ethtool_ops = {
1638         .get_link_ksettings = qede_get_link_ksettings,
1639         .get_drvinfo = qede_get_drvinfo,
1640         .get_msglevel = qede_get_msglevel,
1641         .set_msglevel = qede_set_msglevel,
1642         .get_link = qede_get_link,
1643         .get_ringparam = qede_get_ringparam,
1644         .set_ringparam = qede_set_ringparam,
1645         .get_strings = qede_get_strings,
1646         .get_ethtool_stats = qede_get_ethtool_stats,
1647         .get_priv_flags = qede_get_priv_flags,
1648         .get_sset_count = qede_get_sset_count,
1649         .get_rxnfc = qede_get_rxnfc,
1650         .set_rxnfc = qede_set_rxnfc,
1651         .get_rxfh_indir_size = qede_get_rxfh_indir_size,
1652         .get_rxfh_key_size = qede_get_rxfh_key_size,
1653         .get_rxfh = qede_get_rxfh,
1654         .set_rxfh = qede_set_rxfh,
1655         .get_channels = qede_get_channels,
1656         .set_channels = qede_set_channels,
1657         .get_tunable = qede_get_tunable,
1658         .set_tunable = qede_set_tunable,
1659 };
1660
1661 void qede_set_ethtool_ops(struct net_device *dev)
1662 {
1663         struct qede_dev *edev = netdev_priv(dev);
1664
1665         if (IS_VF(edev))
1666                 dev->ethtool_ops = &qede_vf_ethtool_ops;
1667         else
1668                 dev->ethtool_ops = &qede_ethtool_ops;
1669 }