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fm10k: Move constants to the right of binary operators
[deliverable/linux.git] / drivers / net / ethernet / intel / fm10k / fm10k_ethtool.c
CommitLineData
82dd0f7e 1/* Intel Ethernet Switch Host Interface Driver
97c71e3c 2 * Copyright(c) 2013 - 2015 Intel Corporation.
82dd0f7e
AD		 3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms and conditions of the GNU General Public License,
6 * version 2, as published by the Free Software Foundation.
7 *
8 * This program is distributed in the hope it will be useful, but WITHOUT
9 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
11 * more details.
12 *
13 * The full GNU General Public License is included in this distribution in
14 * the file called "COPYING".
15 *
16 * Contact Information:
17 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
18 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
19 */
20
eb51bbaf
SR		 21#include <linux/vmalloc.h>
22
82dd0f7e
AD		 23#include "fm10k.h"
24
25struct fm10k_stats {
26 char stat_string[ETH_GSTRING_LEN];
27 int sizeof_stat;
28 int stat_offset;
29};
30
31#define FM10K_NETDEV_STAT(_net_stat) { \
32 .stat_string = #_net_stat, \
33 .sizeof_stat = FIELD_SIZEOF(struct net_device_stats, _net_stat), \
34 .stat_offset = offsetof(struct net_device_stats, _net_stat) \
35}
36
37static const struct fm10k_stats fm10k_gstrings_net_stats[] = {
38 FM10K_NETDEV_STAT(tx_packets),
39 FM10K_NETDEV_STAT(tx_bytes),
40 FM10K_NETDEV_STAT(tx_errors),
41 FM10K_NETDEV_STAT(rx_packets),
42 FM10K_NETDEV_STAT(rx_bytes),
43 FM10K_NETDEV_STAT(rx_errors),
44 FM10K_NETDEV_STAT(rx_dropped),
45
46 /* detailed Rx errors */
47 FM10K_NETDEV_STAT(rx_length_errors),
48 FM10K_NETDEV_STAT(rx_crc_errors),
49 FM10K_NETDEV_STAT(rx_fifo_errors),
50};
51
52#define FM10K_NETDEV_STATS_LEN ARRAY_SIZE(fm10k_gstrings_net_stats)
53
54#define FM10K_STAT(_name, _stat) { \
55 .stat_string = _name, \
56 .sizeof_stat = FIELD_SIZEOF(struct fm10k_intfc, _stat), \
57 .stat_offset = offsetof(struct fm10k_intfc, _stat) \
58}
59
fbdb159f 60static const struct fm10k_stats fm10k_gstrings_global_stats[] = {
82dd0f7e
AD		 61 FM10K_STAT("tx_restart_queue", restart_queue),
62 FM10K_STAT("tx_busy", tx_busy),
63 FM10K_STAT("tx_csum_errors", tx_csum_errors),
64 FM10K_STAT("rx_alloc_failed", alloc_failed),
65 FM10K_STAT("rx_csum_errors", rx_csum_errors),
82dd0f7e
AD		 66
67 FM10K_STAT("tx_packets_nic", tx_packets_nic),
68 FM10K_STAT("tx_bytes_nic", tx_bytes_nic),
69 FM10K_STAT("rx_packets_nic", rx_packets_nic),
70 FM10K_STAT("rx_bytes_nic", rx_bytes_nic),
71 FM10K_STAT("rx_drops_nic", rx_drops_nic),
72 FM10K_STAT("rx_overrun_pf", rx_overrun_pf),
73 FM10K_STAT("rx_overrun_vf", rx_overrun_vf),
74
82dd0f7e
AD		 75 FM10K_STAT("swapi_status", hw.swapi.status),
76 FM10K_STAT("mac_rules_used", hw.swapi.mac.used),
77 FM10K_STAT("mac_rules_avail", hw.swapi.mac.avail),
78
e05546ec
JK		 79 FM10K_STAT("tx_hang_count", tx_timeout_count),
80
a211e013 81 FM10K_STAT("tx_hwtstamp_timeouts", tx_hwtstamp_timeouts),
82dd0f7e
AD		 82};
83
80043f3b
JK		 84static const struct fm10k_stats fm10k_gstrings_debug_stats[] = {
85 FM10K_STAT("hw_sm_mbx_full", hw_sm_mbx_full),
86 FM10K_STAT("hw_csum_tx_good", hw_csum_tx_good),
87 FM10K_STAT("hw_csum_rx_good", hw_csum_rx_good),
88 FM10K_STAT("rx_switch_errors", rx_switch_errors),
89 FM10K_STAT("rx_drops", rx_drops),
90 FM10K_STAT("rx_pp_errors", rx_pp_errors),
91 FM10K_STAT("rx_link_errors", rx_link_errors),
92 FM10K_STAT("rx_length_errors", rx_length_errors),
93};
94
fbdb159f
JK		 95static const struct fm10k_stats fm10k_gstrings_pf_stats[] = {
96 FM10K_STAT("timeout", stats.timeout.count),
97 FM10K_STAT("ur", stats.ur.count),
98 FM10K_STAT("ca", stats.ca.count),
99 FM10K_STAT("um", stats.um.count),
100 FM10K_STAT("xec", stats.xec.count),
101 FM10K_STAT("vlan_drop", stats.vlan_drop.count),
102 FM10K_STAT("loopback_drop", stats.loopback_drop.count),
103 FM10K_STAT("nodesc_drop", stats.nodesc_drop.count),
104};
105
80043f3b
JK		 106#define FM10K_MBX_STAT(_name, _stat) { \
107 .stat_string = _name, \
108 .sizeof_stat = FIELD_SIZEOF(struct fm10k_mbx_info, _stat), \
109 .stat_offset = offsetof(struct fm10k_mbx_info, _stat) \
110}
111
112static const struct fm10k_stats fm10k_gstrings_mbx_stats[] = {
113 FM10K_MBX_STAT("mbx_tx_busy", tx_busy),
5680ea69 114 FM10K_MBX_STAT("mbx_tx_dropped", tx_dropped),
80043f3b
JK		 115 FM10K_MBX_STAT("mbx_tx_messages", tx_messages),
116 FM10K_MBX_STAT("mbx_tx_dwords", tx_dwords),
17d39fac 117 FM10K_MBX_STAT("mbx_tx_mbmem_pulled", tx_mbmem_pulled),
80043f3b
JK		 118 FM10K_MBX_STAT("mbx_rx_messages", rx_messages),
119 FM10K_MBX_STAT("mbx_rx_dwords", rx_dwords),
120 FM10K_MBX_STAT("mbx_rx_parse_err", rx_parse_err),
17d39fac 121 FM10K_MBX_STAT("mbx_rx_mbmem_pushed", rx_mbmem_pushed),
80043f3b
JK		 122};
123
fbdb159f 124#define FM10K_GLOBAL_STATS_LEN ARRAY_SIZE(fm10k_gstrings_global_stats)
80043f3b 125#define FM10K_DEBUG_STATS_LEN ARRAY_SIZE(fm10k_gstrings_debug_stats)
fbdb159f 126#define FM10K_PF_STATS_LEN ARRAY_SIZE(fm10k_gstrings_pf_stats)
80043f3b 127#define FM10K_MBX_STATS_LEN ARRAY_SIZE(fm10k_gstrings_mbx_stats)
82dd0f7e 128
c0e61781 129#define FM10K_QUEUE_STATS_LEN(_n) \
a4fcad65 130 ((_n) * 2 * (sizeof(struct fm10k_queue_stats) / sizeof(u64)))
82dd0f7e 131
c0e61781 132#define FM10K_STATIC_STATS_LEN (FM10K_GLOBAL_STATS_LEN + \
80043f3b
JK		 133 FM10K_NETDEV_STATS_LEN + \
134 FM10K_MBX_STATS_LEN)
82dd0f7e 135
5cb8db4a
AD		 136static const char fm10k_gstrings_test[][ETH_GSTRING_LEN] = {
137 "Mailbox test (on/offline)"
138};
139
140#define FM10K_TEST_LEN (sizeof(fm10k_gstrings_test) / ETH_GSTRING_LEN)
141
142enum fm10k_self_test_types {
143 FM10K_TEST_MBX,
144 FM10K_TEST_MAX = FM10K_TEST_LEN
145};
146
80043f3b
JK		 147enum {
148 FM10K_PRV_FLAG_DEBUG_STATS,
149 FM10K_PRV_FLAG_LEN,
150};
151
152static const char fm10k_prv_flags[FM10K_PRV_FLAG_LEN][ETH_GSTRING_LEN] = {
153 "debug-statistics",
154};
155
156static void fm10k_get_stat_strings(struct net_device *dev, u8 *data)
82dd0f7e 157{
29a928ee 158 struct fm10k_intfc *interface = netdev_priv(dev);
80043f3b 159 struct fm10k_iov_data *iov_data = interface->iov_data;
82dd0f7e 160 char *p = (char *)data;
c0e58e93 161 unsigned int i;
80043f3b 162 unsigned int j;
82dd0f7e 163
80043f3b
JK		 164 for (i = 0; i < FM10K_NETDEV_STATS_LEN; i++) {
165 memcpy(p, fm10k_gstrings_net_stats[i].stat_string,
166 ETH_GSTRING_LEN);
167 p += ETH_GSTRING_LEN;
168 }
169
170 for (i = 0; i < FM10K_GLOBAL_STATS_LEN; i++) {
171 memcpy(p, fm10k_gstrings_global_stats[i].stat_string,
172 ETH_GSTRING_LEN);
173 p += ETH_GSTRING_LEN;
174 }
175
176 if (interface->flags & FM10K_FLAG_DEBUG_STATS) {
177 for (i = 0; i < FM10K_DEBUG_STATS_LEN; i++) {
178 memcpy(p, fm10k_gstrings_debug_stats[i].stat_string,
82dd0f7e
AD		 179 ETH_GSTRING_LEN);
180 p += ETH_GSTRING_LEN;
181 }
80043f3b
JK		 182 }
183
184 for (i = 0; i < FM10K_MBX_STATS_LEN; i++) {
185 memcpy(p, fm10k_gstrings_mbx_stats[i].stat_string,
186 ETH_GSTRING_LEN);
187 p += ETH_GSTRING_LEN;
188 }
189
190 if (interface->hw.mac.type != fm10k_mac_vf) {
191 for (i = 0; i < FM10K_PF_STATS_LEN; i++) {
192 memcpy(p, fm10k_gstrings_pf_stats[i].stat_string,
82dd0f7e
AD		 193 ETH_GSTRING_LEN);
194 p += ETH_GSTRING_LEN;
195 }
80043f3b 196 }
82dd0f7e 197
80043f3b
JK		 198 if ((interface->flags & FM10K_FLAG_DEBUG_STATS) && iov_data) {
199 for (i = 0; i < iov_data->num_vfs; i++) {
200 for (j = 0; j < FM10K_MBX_STATS_LEN; j++) {
201 snprintf(p,
202 ETH_GSTRING_LEN,
203 "vf_%u_%s", i,
204 fm10k_gstrings_mbx_stats[j].stat_string);
fbdb159f
JK		 205 p += ETH_GSTRING_LEN;
206 }
986eec43 207 }
80043f3b 208 }
fbdb159f 209
80043f3b 210 for (i = 0; i < interface->hw.mac.max_queues; i++) {
f6f19f8b 211 snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_packets", i);
80043f3b 212 p += ETH_GSTRING_LEN;
f6f19f8b 213 snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i);
80043f3b 214 p += ETH_GSTRING_LEN;
f6f19f8b 215 snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_packets", i);
80043f3b 216 p += ETH_GSTRING_LEN;
f6f19f8b 217 snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i);
80043f3b
JK		 218 p += ETH_GSTRING_LEN;
219 }
220}
221
222static void fm10k_get_strings(struct net_device *dev,
223 u32 stringset, u8 *data)
224{
225 char *p = (char *)data;
226
227 switch (stringset) {
228 case ETH_SS_TEST:
229 memcpy(data, *fm10k_gstrings_test,
230 FM10K_TEST_LEN * ETH_GSTRING_LEN);
231 break;
232 case ETH_SS_STATS:
233 fm10k_get_stat_strings(dev, data);
234 break;
235 case ETH_SS_PRIV_FLAGS:
236 memcpy(p, fm10k_prv_flags,
237 FM10K_PRV_FLAG_LEN * ETH_GSTRING_LEN);
82dd0f7e
AD		 238 break;
239 }
240}
241
242static int fm10k_get_sset_count(struct net_device *dev, int sset)
243{
c0e61781 244 struct fm10k_intfc *interface = netdev_priv(dev);
80043f3b 245 struct fm10k_iov_data *iov_data = interface->iov_data;
c0e61781
JK		 246 struct fm10k_hw *hw = &interface->hw;
247 int stats_len = FM10K_STATIC_STATS_LEN;
248
82dd0f7e 249 switch (sset) {
5cb8db4a
AD		 250 case ETH_SS_TEST:
251 return FM10K_TEST_LEN;
82dd0f7e 252 case ETH_SS_STATS:
c0e61781 253 stats_len += FM10K_QUEUE_STATS_LEN(hw->mac.max_queues);
fbdb159f
JK		 254
255 if (hw->mac.type != fm10k_mac_vf)
256 stats_len += FM10K_PF_STATS_LEN;
257
80043f3b
JK		 258 if (interface->flags & FM10K_FLAG_DEBUG_STATS) {
259 stats_len += FM10K_DEBUG_STATS_LEN;
260
261 if (iov_data)
3d02b3df
BA		 262 stats_len += FM10K_MBX_STATS_LEN *
263 iov_data->num_vfs;
80043f3b
JK		 264 }
265
c0e61781 266 return stats_len;
80043f3b
JK		 267 case ETH_SS_PRIV_FLAGS:
268 return FM10K_PRV_FLAG_LEN;
82dd0f7e
AD		 269 default:
270 return -EOPNOTSUPP;
271 }
272}
273
274static void fm10k_get_ethtool_stats(struct net_device *netdev,
de445199
JK		 275 struct ethtool_stats __always_unused *stats,
276 u64 *data)
82dd0f7e
AD		 277{
278 const int stat_count = sizeof(struct fm10k_queue_stats) / sizeof(u64);
279 struct fm10k_intfc *interface = netdev_priv(netdev);
80043f3b 280 struct fm10k_iov_data *iov_data = interface->iov_data;
82dd0f7e
AD		 281 struct net_device_stats *net_stats = &netdev->stats;
282 char *p;
283 int i, j;
284
285 fm10k_update_stats(interface);
286
287 for (i = 0; i < FM10K_NETDEV_STATS_LEN; i++) {
288 p = (char *)net_stats + fm10k_gstrings_net_stats[i].stat_offset;
289 *(data++) = (fm10k_gstrings_net_stats[i].sizeof_stat ==
290 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
291 }
292
293 for (i = 0; i < FM10K_GLOBAL_STATS_LEN; i++) {
fbdb159f
JK		 294 p = (char *)interface +
295 fm10k_gstrings_global_stats[i].stat_offset;
296 *(data++) = (fm10k_gstrings_global_stats[i].sizeof_stat ==
82dd0f7e
AD		 297 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
298 }
299
80043f3b
JK		 300 if (interface->flags & FM10K_FLAG_DEBUG_STATS) {
301 for (i = 0; i < FM10K_DEBUG_STATS_LEN; i++) {
3d02b3df
BA		 302 p = (char *)interface +
303 fm10k_gstrings_debug_stats[i].stat_offset;
80043f3b
JK		 304 *(data++) = (fm10k_gstrings_debug_stats[i].sizeof_stat ==
305 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
306 }
307 }
308
309 for (i = 0; i < FM10K_MBX_STATS_LEN; i++) {
3d02b3df
BA		 310 p = (char *)&interface->hw.mbx +
311 fm10k_gstrings_mbx_stats[i].stat_offset;
80043f3b
JK		 312 *(data++) = (fm10k_gstrings_mbx_stats[i].sizeof_stat ==
313 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
314 }
315
316 if (interface->hw.mac.type != fm10k_mac_vf) {
fbdb159f
JK		 317 for (i = 0; i < FM10K_PF_STATS_LEN; i++) {
318 p = (char *)interface +
319 fm10k_gstrings_pf_stats[i].stat_offset;
320 *(data++) = (fm10k_gstrings_pf_stats[i].sizeof_stat ==
321 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
322 }
80043f3b
JK		 323 }
324
325 if ((interface->flags & FM10K_FLAG_DEBUG_STATS) && iov_data) {
326 for (i = 0; i < iov_data->num_vfs; i++) {
327 struct fm10k_vf_info *vf_info;
a4fcad65 328
80043f3b
JK		 329 vf_info = &iov_data->vf_info[i];
330
331 /* skip stats if we don't have a vf info */
332 if (!vf_info) {
333 data += FM10K_MBX_STATS_LEN;
334 continue;
335 }
336
337 for (j = 0; j < FM10K_MBX_STATS_LEN; j++) {
3d02b3df
BA		 338 p = (char *)&vf_info->mbx +
339 fm10k_gstrings_mbx_stats[j].stat_offset;
80043f3b
JK		 340 *(data++) = (fm10k_gstrings_mbx_stats[j].sizeof_stat ==
341 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
342 }
343 }
344 }
fbdb159f 345
29a928ee 346 for (i = 0; i < interface->hw.mac.max_queues; i++) {
82dd0f7e
AD		 347 struct fm10k_ring *ring;
348 u64 *queue_stat;
349
350 ring = interface->tx_ring[i];
351 if (ring)
352 queue_stat = (u64 *)&ring->stats;
353 for (j = 0; j < stat_count; j++)
354 *(data++) = ring ? queue_stat[j] : 0;
355
356 ring = interface->rx_ring[i];
357 if (ring)
358 queue_stat = (u64 *)&ring->stats;
359 for (j = 0; j < stat_count; j++)
360 *(data++) = ring ? queue_stat[j] : 0;
361 }
362}
363
364/* If function below adds more registers this define needs to be updated */
365#define FM10K_REGS_LEN_Q 29
366
367static void fm10k_get_reg_q(struct fm10k_hw *hw, u32 *buff, int i)
368{
369 int idx = 0;
370
371 buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAL(i));
372 buff[idx++] = fm10k_read_reg(hw, FM10K_RDBAH(i));
373 buff[idx++] = fm10k_read_reg(hw, FM10K_RDLEN(i));
374 buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_RXCTRL(i));
375 buff[idx++] = fm10k_read_reg(hw, FM10K_RDH(i));
376 buff[idx++] = fm10k_read_reg(hw, FM10K_RDT(i));
377 buff[idx++] = fm10k_read_reg(hw, FM10K_RXQCTL(i));
378 buff[idx++] = fm10k_read_reg(hw, FM10K_RXDCTL(i));
379 buff[idx++] = fm10k_read_reg(hw, FM10K_RXINT(i));
380 buff[idx++] = fm10k_read_reg(hw, FM10K_SRRCTL(i));
381 buff[idx++] = fm10k_read_reg(hw, FM10K_QPRC(i));
382 buff[idx++] = fm10k_read_reg(hw, FM10K_QPRDC(i));
383 buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_L(i));
384 buff[idx++] = fm10k_read_reg(hw, FM10K_QBRC_H(i));
385 buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAL(i));
386 buff[idx++] = fm10k_read_reg(hw, FM10K_TDBAH(i));
387 buff[idx++] = fm10k_read_reg(hw, FM10K_TDLEN(i));
388 buff[idx++] = fm10k_read_reg(hw, FM10K_TPH_TXCTRL(i));
389 buff[idx++] = fm10k_read_reg(hw, FM10K_TDH(i));
390 buff[idx++] = fm10k_read_reg(hw, FM10K_TDT(i));
391 buff[idx++] = fm10k_read_reg(hw, FM10K_TXDCTL(i));
392 buff[idx++] = fm10k_read_reg(hw, FM10K_TXQCTL(i));
393 buff[idx++] = fm10k_read_reg(hw, FM10K_TXINT(i));
394 buff[idx++] = fm10k_read_reg(hw, FM10K_QPTC(i));
395 buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_L(i));
396 buff[idx++] = fm10k_read_reg(hw, FM10K_QBTC_H(i));
397 buff[idx++] = fm10k_read_reg(hw, FM10K_TQDLOC(i));
398 buff[idx++] = fm10k_read_reg(hw, FM10K_TX_SGLORT(i));
399 buff[idx++] = fm10k_read_reg(hw, FM10K_PFVTCTL(i));
400
401 BUG_ON(idx != FM10K_REGS_LEN_Q);
402}
403
404/* If function above adds more registers this define needs to be updated */
405#define FM10K_REGS_LEN_VSI 43
406
407static void fm10k_get_reg_vsi(struct fm10k_hw *hw, u32 *buff, int i)
408{
409 int idx = 0, j;
410
411 buff[idx++] = fm10k_read_reg(hw, FM10K_MRQC(i));
412 for (j = 0; j < 10; j++)
413 buff[idx++] = fm10k_read_reg(hw, FM10K_RSSRK(i, j));
414 for (j = 0; j < 32; j++)
415 buff[idx++] = fm10k_read_reg(hw, FM10K_RETA(i, j));
416
417 BUG_ON(idx != FM10K_REGS_LEN_VSI);
418}
419
420static void fm10k_get_regs(struct net_device *netdev,
421 struct ethtool_regs *regs, void *p)
422{
423 struct fm10k_intfc *interface = netdev_priv(netdev);
424 struct fm10k_hw *hw = &interface->hw;
425 u32 *buff = p;
426 u16 i;
427
428 regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
429
430 switch (hw->mac.type) {
431 case fm10k_mac_pf:
432 /* General PF Registers */
433 *(buff++) = fm10k_read_reg(hw, FM10K_CTRL);
434 *(buff++) = fm10k_read_reg(hw, FM10K_CTRL_EXT);
435 *(buff++) = fm10k_read_reg(hw, FM10K_GCR);
436 *(buff++) = fm10k_read_reg(hw, FM10K_GCR_EXT);
437
438 for (i = 0; i < 8; i++) {
439 *(buff++) = fm10k_read_reg(hw, FM10K_DGLORTMAP(i));
440 *(buff++) = fm10k_read_reg(hw, FM10K_DGLORTDEC(i));
441 }
442
443 for (i = 0; i < 65; i++) {
444 fm10k_get_reg_vsi(hw, buff, i);
445 buff += FM10K_REGS_LEN_VSI;
446 }
447
448 *(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL);
449 *(buff++) = fm10k_read_reg(hw, FM10K_DMA_CTRL2);
450
451 for (i = 0; i < FM10K_MAX_QUEUES_PF; i++) {
452 fm10k_get_reg_q(hw, buff, i);
453 buff += FM10K_REGS_LEN_Q;
454 }
455
456 *(buff++) = fm10k_read_reg(hw, FM10K_TPH_CTRL);
457
458 for (i = 0; i < 8; i++)
459 *(buff++) = fm10k_read_reg(hw, FM10K_INT_MAP(i));
460
461 /* Interrupt Throttling Registers */
462 for (i = 0; i < 130; i++)
463 *(buff++) = fm10k_read_reg(hw, FM10K_ITR(i));
464
5cb8db4a
AD		 465 break;
466 case fm10k_mac_vf:
467 /* General VF registers */
468 *(buff++) = fm10k_read_reg(hw, FM10K_VFCTRL);
469 *(buff++) = fm10k_read_reg(hw, FM10K_VFINT_MAP);
470 *(buff++) = fm10k_read_reg(hw, FM10K_VFSYSTIME);
471
472 /* Interrupt Throttling Registers */
473 for (i = 0; i < 8; i++)
474 *(buff++) = fm10k_read_reg(hw, FM10K_VFITR(i));
475
476 fm10k_get_reg_vsi(hw, buff, 0);
477 buff += FM10K_REGS_LEN_VSI;
478
479 for (i = 0; i < FM10K_MAX_QUEUES_POOL; i++) {
480 if (i < hw->mac.max_queues)
481 fm10k_get_reg_q(hw, buff, i);
482 else
483 memset(buff, 0, sizeof(u32) * FM10K_REGS_LEN_Q);
484 buff += FM10K_REGS_LEN_Q;
485 }
486
82dd0f7e
AD		 487 break;
488 default:
489 return;
490 }
491}
492
493/* If function above adds more registers these define need to be updated */
494#define FM10K_REGS_LEN_PF \
495(162 + (65 * FM10K_REGS_LEN_VSI) + (FM10K_MAX_QUEUES_PF * FM10K_REGS_LEN_Q))
5cb8db4a
AD		 496#define FM10K_REGS_LEN_VF \
497(11 + FM10K_REGS_LEN_VSI + (FM10K_MAX_QUEUES_POOL * FM10K_REGS_LEN_Q))
82dd0f7e
AD		 498
499static int fm10k_get_regs_len(struct net_device *netdev)
500{
501 struct fm10k_intfc *interface = netdev_priv(netdev);
502 struct fm10k_hw *hw = &interface->hw;
503
504 switch (hw->mac.type) {
505 case fm10k_mac_pf:
506 return FM10K_REGS_LEN_PF * sizeof(u32);
5cb8db4a
AD		 507 case fm10k_mac_vf:
508 return FM10K_REGS_LEN_VF * sizeof(u32);
82dd0f7e
AD		 509 default:
510 return 0;
511 }
512}
513
514static void fm10k_get_drvinfo(struct net_device *dev,
515 struct ethtool_drvinfo *info)
516{
517 struct fm10k_intfc *interface = netdev_priv(dev);
518
519 strncpy(info->driver, fm10k_driver_name,
520 sizeof(info->driver) - 1);
521 strncpy(info->version, fm10k_driver_version,
522 sizeof(info->version) - 1);
523 strncpy(info->bus_info, pci_name(interface->pdev),
524 sizeof(info->bus_info) - 1);
82dd0f7e
AD		 525}
526
527static void fm10k_get_pauseparam(struct net_device *dev,
528 struct ethtool_pauseparam *pause)
529{
530 struct fm10k_intfc *interface = netdev_priv(dev);
531
532 /* record fixed values for autoneg and tx pause */
533 pause->autoneg = 0;
534 pause->tx_pause = 1;
535
536 pause->rx_pause = interface->rx_pause ? 1 : 0;
537}
538
539static int fm10k_set_pauseparam(struct net_device *dev,
540 struct ethtool_pauseparam *pause)
541{
542 struct fm10k_intfc *interface = netdev_priv(dev);
543 struct fm10k_hw *hw = &interface->hw;
544
545 if (pause->autoneg || !pause->tx_pause)
546 return -EINVAL;
547
548 /* we can only support pause on the PF to avoid head-of-line blocking */
549 if (hw->mac.type == fm10k_mac_pf)
550 interface->rx_pause = pause->rx_pause ? ~0 : 0;
551 else if (pause->rx_pause)
552 return -EINVAL;
553
554 if (netif_running(dev))
555 fm10k_update_rx_drop_en(interface);
556
557 return 0;
558}
559
560static u32 fm10k_get_msglevel(struct net_device *netdev)
561{
562 struct fm10k_intfc *interface = netdev_priv(netdev);
563
564 return interface->msg_enable;
565}
566
567static void fm10k_set_msglevel(struct net_device *netdev, u32 data)
568{
569 struct fm10k_intfc *interface = netdev_priv(netdev);
570
571 interface->msg_enable = data;
572}
573
574static void fm10k_get_ringparam(struct net_device *netdev,
575 struct ethtool_ringparam *ring)
576{
577 struct fm10k_intfc *interface = netdev_priv(netdev);
578
579 ring->rx_max_pending = FM10K_MAX_RXD;
580 ring->tx_max_pending = FM10K_MAX_TXD;
581 ring->rx_mini_max_pending = 0;
582 ring->rx_jumbo_max_pending = 0;
583 ring->rx_pending = interface->rx_ring_count;
584 ring->tx_pending = interface->tx_ring_count;
585 ring->rx_mini_pending = 0;
586 ring->rx_jumbo_pending = 0;
587}
588
589static int fm10k_set_ringparam(struct net_device *netdev,
590 struct ethtool_ringparam *ring)
591{
592 struct fm10k_intfc *interface = netdev_priv(netdev);
593 struct fm10k_ring *temp_ring;
594 int i, err = 0;
595 u32 new_rx_count, new_tx_count;
596
597 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
598 return -EINVAL;
599
600 new_tx_count = clamp_t(u32, ring->tx_pending,
601 FM10K_MIN_TXD, FM10K_MAX_TXD);
602 new_tx_count = ALIGN(new_tx_count, FM10K_REQ_TX_DESCRIPTOR_MULTIPLE);
603
604 new_rx_count = clamp_t(u32, ring->rx_pending,
605 FM10K_MIN_RXD, FM10K_MAX_RXD);
606 new_rx_count = ALIGN(new_rx_count, FM10K_REQ_RX_DESCRIPTOR_MULTIPLE);
607
608 if ((new_tx_count == interface->tx_ring_count) &&
609 (new_rx_count == interface->rx_ring_count)) {
610 /* nothing to do */
611 return 0;
612 }
613
614 while (test_and_set_bit(__FM10K_RESETTING, &interface->state))
615 usleep_range(1000, 2000);
616
617 if (!netif_running(interface->netdev)) {
618 for (i = 0; i < interface->num_tx_queues; i++)
619 interface->tx_ring[i]->count = new_tx_count;
620 for (i = 0; i < interface->num_rx_queues; i++)
621 interface->rx_ring[i]->count = new_rx_count;
622 interface->tx_ring_count = new_tx_count;
623 interface->rx_ring_count = new_rx_count;
624 goto clear_reset;
625 }
626
627 /* allocate temporary buffer to store rings in */
628 i = max_t(int, interface->num_tx_queues, interface->num_rx_queues);
629 temp_ring = vmalloc(i * sizeof(struct fm10k_ring));
630
631 if (!temp_ring) {
632 err = -ENOMEM;
633 goto clear_reset;
634 }
635
636 fm10k_down(interface);
637
638 /* Setup new Tx resources and free the old Tx resources in that order.
639 * We can then assign the new resources to the rings via a memcpy.
640 * The advantage to this approach is that we are guaranteed to still
641 * have resources even in the case of an allocation failure.
642 */
643 if (new_tx_count != interface->tx_ring_count) {
644 for (i = 0; i < interface->num_tx_queues; i++) {
645 memcpy(&temp_ring[i], interface->tx_ring[i],
646 sizeof(struct fm10k_ring));
647
648 temp_ring[i].count = new_tx_count;
649 err = fm10k_setup_tx_resources(&temp_ring[i]);
650 if (err) {
651 while (i) {
652 i--;
653 fm10k_free_tx_resources(&temp_ring[i]);
654 }
655 goto err_setup;
656 }
657 }
658
659 for (i = 0; i < interface->num_tx_queues; i++) {
660 fm10k_free_tx_resources(interface->tx_ring[i]);
661
662 memcpy(interface->tx_ring[i], &temp_ring[i],
663 sizeof(struct fm10k_ring));
664 }
665
666 interface->tx_ring_count = new_tx_count;
667 }
668
669 /* Repeat the process for the Rx rings if needed */
670 if (new_rx_count != interface->rx_ring_count) {
671 for (i = 0; i < interface->num_rx_queues; i++) {
672 memcpy(&temp_ring[i], interface->rx_ring[i],
673 sizeof(struct fm10k_ring));
674
675 temp_ring[i].count = new_rx_count;
676 err = fm10k_setup_rx_resources(&temp_ring[i]);
677 if (err) {
678 while (i) {
679 i--;
680 fm10k_free_rx_resources(&temp_ring[i]);
681 }
682 goto err_setup;
683 }
684 }
685
686 for (i = 0; i < interface->num_rx_queues; i++) {
687 fm10k_free_rx_resources(interface->rx_ring[i]);
688
689 memcpy(interface->rx_ring[i], &temp_ring[i],
690 sizeof(struct fm10k_ring));
691 }
692
693 interface->rx_ring_count = new_rx_count;
694 }
695
696err_setup:
697 fm10k_up(interface);
698 vfree(temp_ring);
699clear_reset:
700 clear_bit(__FM10K_RESETTING, &interface->state);
701 return err;
702}
703
704static int fm10k_get_coalesce(struct net_device *dev,
705 struct ethtool_coalesce *ec)
706{
707 struct fm10k_intfc *interface = netdev_priv(dev);
708
584373f5 709 ec->use_adaptive_tx_coalesce = ITR_IS_ADAPTIVE(interface->tx_itr);
82dd0f7e
AD		 710 ec->tx_coalesce_usecs = interface->tx_itr & ~FM10K_ITR_ADAPTIVE;
711
584373f5 712 ec->use_adaptive_rx_coalesce = ITR_IS_ADAPTIVE(interface->rx_itr);
82dd0f7e
AD		 713 ec->rx_coalesce_usecs = interface->rx_itr & ~FM10K_ITR_ADAPTIVE;
714
715 return 0;
716}
717
718static int fm10k_set_coalesce(struct net_device *dev,
719 struct ethtool_coalesce *ec)
720{
721 struct fm10k_intfc *interface = netdev_priv(dev);
722 struct fm10k_q_vector *qv;
723 u16 tx_itr, rx_itr;
724 int i;
725
726 /* verify limits */
727 if ((ec->rx_coalesce_usecs > FM10K_ITR_MAX) ||
728 (ec->tx_coalesce_usecs > FM10K_ITR_MAX))
729 return -EINVAL;
730
731 /* record settings */
732 tx_itr = ec->tx_coalesce_usecs;
733 rx_itr = ec->rx_coalesce_usecs;
734
735 /* set initial values for adaptive ITR */
736 if (ec->use_adaptive_tx_coalesce)
436ea956 737 tx_itr = FM10K_ITR_ADAPTIVE | FM10K_TX_ITR_DEFAULT;
82dd0f7e
AD		 738
739 if (ec->use_adaptive_rx_coalesce)
436ea956 740 rx_itr = FM10K_ITR_ADAPTIVE | FM10K_RX_ITR_DEFAULT;
82dd0f7e
AD		 741
742 /* update interface */
743 interface->tx_itr = tx_itr;
744 interface->rx_itr = rx_itr;
745
746 /* update q_vectors */
747 for (i = 0; i < interface->num_q_vectors; i++) {
748 qv = interface->q_vector[i];
749 qv->tx.itr = tx_itr;
750 qv->rx.itr = rx_itr;
751 }
752
753 return 0;
754}
755
756static int fm10k_get_rss_hash_opts(struct fm10k_intfc *interface,
757 struct ethtool_rxnfc *cmd)
758{
759 cmd->data = 0;
760
761 /* Report default options for RSS on fm10k */
762 switch (cmd->flow_type) {
763 case TCP_V4_FLOW:
764 case TCP_V6_FLOW:
765 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
766 /* fall through */
767 case UDP_V4_FLOW:
768 if (interface->flags & FM10K_FLAG_RSS_FIELD_IPV4_UDP)
769 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
770 /* fall through */
771 case SCTP_V4_FLOW:
772 case SCTP_V6_FLOW:
773 case AH_ESP_V4_FLOW:
774 case AH_ESP_V6_FLOW:
775 case AH_V4_FLOW:
776 case AH_V6_FLOW:
777 case ESP_V4_FLOW:
778 case ESP_V6_FLOW:
779 case IPV4_FLOW:
780 case IPV6_FLOW:
781 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
782 break;
783 case UDP_V6_FLOW:
784 if (interface->flags & FM10K_FLAG_RSS_FIELD_IPV6_UDP)
785 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
786 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
787 break;
788 default:
789 return -EINVAL;
790 }
791
792 return 0;
793}
794
795static int fm10k_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
de445199 796 u32 __always_unused *rule_locs)
82dd0f7e
AD		 797{
798 struct fm10k_intfc *interface = netdev_priv(dev);
799 int ret = -EOPNOTSUPP;
800
801 switch (cmd->cmd) {
802 case ETHTOOL_GRXRINGS:
803 cmd->data = interface->num_rx_queues;
804 ret = 0;
805 break;
806 case ETHTOOL_GRXFH:
807 ret = fm10k_get_rss_hash_opts(interface, cmd);
808 break;
809 default:
810 break;
811 }
812
813 return ret;
814}
815
816#define UDP_RSS_FLAGS (FM10K_FLAG_RSS_FIELD_IPV4_UDP | \
817 FM10K_FLAG_RSS_FIELD_IPV6_UDP)
818static int fm10k_set_rss_hash_opt(struct fm10k_intfc *interface,
819 struct ethtool_rxnfc *nfc)
820{
821 u32 flags = interface->flags;
822
823 /* RSS does not support anything other than hashing
824 * to queues on src and dst IPs and ports
825 */
826 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
827 RXH_L4_B_0_1 | RXH_L4_B_2_3))
828 return -EINVAL;
829
830 switch (nfc->flow_type) {
831 case TCP_V4_FLOW:
832 case TCP_V6_FLOW:
833 if (!(nfc->data & RXH_IP_SRC) ||
834 !(nfc->data & RXH_IP_DST) ||
835 !(nfc->data & RXH_L4_B_0_1) ||
836 !(nfc->data & RXH_L4_B_2_3))
837 return -EINVAL;
838 break;
839 case UDP_V4_FLOW:
840 if (!(nfc->data & RXH_IP_SRC) ||
841 !(nfc->data & RXH_IP_DST))
842 return -EINVAL;
843 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
844 case 0:
845 flags &= ~FM10K_FLAG_RSS_FIELD_IPV4_UDP;
846 break;
847 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
848 flags |= FM10K_FLAG_RSS_FIELD_IPV4_UDP;
849 break;
850 default:
851 return -EINVAL;
852 }
853 break;
854 case UDP_V6_FLOW:
855 if (!(nfc->data & RXH_IP_SRC) ||
856 !(nfc->data & RXH_IP_DST))
857 return -EINVAL;
858 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
859 case 0:
860 flags &= ~FM10K_FLAG_RSS_FIELD_IPV6_UDP;
861 break;
862 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
863 flags |= FM10K_FLAG_RSS_FIELD_IPV6_UDP;
864 break;
865 default:
866 return -EINVAL;
867 }
868 break;
869 case AH_ESP_V4_FLOW:
870 case AH_V4_FLOW:
871 case ESP_V4_FLOW:
872 case SCTP_V4_FLOW:
873 case AH_ESP_V6_FLOW:
874 case AH_V6_FLOW:
875 case ESP_V6_FLOW:
876 case SCTP_V6_FLOW:
877 if (!(nfc->data & RXH_IP_SRC) ||
878 !(nfc->data & RXH_IP_DST) ||
879 (nfc->data & RXH_L4_B_0_1) ||
880 (nfc->data & RXH_L4_B_2_3))
881 return -EINVAL;
882 break;
883 default:
884 return -EINVAL;
885 }
886
887 /* if we changed something we need to update flags */
888 if (flags != interface->flags) {
889 struct fm10k_hw *hw = &interface->hw;
890 u32 mrqc;
891
892 if ((flags & UDP_RSS_FLAGS) &&
893 !(interface->flags & UDP_RSS_FLAGS))
894 netif_warn(interface, drv, interface->netdev,
895 "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
896
897 interface->flags = flags;
898
899 /* Perform hash on these packet types */
900 mrqc = FM10K_MRQC_IPV4 |
901 FM10K_MRQC_TCP_IPV4 |
902 FM10K_MRQC_IPV6 |
903 FM10K_MRQC_TCP_IPV6;
904
905 if (flags & FM10K_FLAG_RSS_FIELD_IPV4_UDP)
906 mrqc |= FM10K_MRQC_UDP_IPV4;
907 if (flags & FM10K_FLAG_RSS_FIELD_IPV6_UDP)
908 mrqc |= FM10K_MRQC_UDP_IPV6;
909
910 fm10k_write_reg(hw, FM10K_MRQC(0), mrqc);
911 }
912
913 return 0;
914}
915
916static int fm10k_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
917{
918 struct fm10k_intfc *interface = netdev_priv(dev);
919 int ret = -EOPNOTSUPP;
920
921 switch (cmd->cmd) {
922 case ETHTOOL_SRXFH:
923 ret = fm10k_set_rss_hash_opt(interface, cmd);
924 break;
925 default:
926 break;
927 }
928
929 return ret;
930}
931
5cb8db4a
AD		 932static int fm10k_mbx_test(struct fm10k_intfc *interface, u64 *data)
933{
934 struct fm10k_hw *hw = &interface->hw;
935 struct fm10k_mbx_info *mbx = &hw->mbx;
936 u32 attr_flag, test_msg[6];
937 unsigned long timeout;
938 int err;
939
940 /* For now this is a VF only feature */
941 if (hw->mac.type != fm10k_mac_vf)
942 return 0;
943
944 /* loop through both nested and unnested attribute types */
945 for (attr_flag = (1 << FM10K_TEST_MSG_UNSET);
946 attr_flag < (1 << (2 * FM10K_TEST_MSG_NESTED));
947 attr_flag += attr_flag) {
948 /* generate message to be tested */
949 fm10k_tlv_msg_test_create(test_msg, attr_flag);
950
951 fm10k_mbx_lock(interface);
952 mbx->test_result = FM10K_NOT_IMPLEMENTED;
953 err = mbx->ops.enqueue_tx(hw, mbx, test_msg);
954 fm10k_mbx_unlock(interface);
955
956 /* wait up to 1 second for response */
957 timeout = jiffies + HZ;
958 do {
959 if (err < 0)
960 goto err_out;
961
962 usleep_range(500, 1000);
963
964 fm10k_mbx_lock(interface);
965 mbx->ops.process(hw, mbx);
966 fm10k_mbx_unlock(interface);
967
968 err = mbx->test_result;
969 if (!err)
970 break;
971 } while (time_is_after_jiffies(timeout));
972
973 /* reporting errors */
974 if (err)
975 goto err_out;
976 }
977
978err_out:
979 *data = err < 0 ? (attr_flag) : (err > 0);
980 return err;
981}
982
983static void fm10k_self_test(struct net_device *dev,
984 struct ethtool_test *eth_test, u64 *data)
985{
986 struct fm10k_intfc *interface = netdev_priv(dev);
987 struct fm10k_hw *hw = &interface->hw;
988
989 memset(data, 0, sizeof(*data) * FM10K_TEST_LEN);
990
991 if (FM10K_REMOVED(hw)) {
992 netif_err(interface, drv, dev,
993 "Interface removed - test blocked\n");
994 eth_test->flags |= ETH_TEST_FL_FAILED;
995 return;
996 }
997
998 if (fm10k_mbx_test(interface, &data[FM10K_TEST_MBX]))
999 eth_test->flags |= ETH_TEST_FL_FAILED;
1000}
1001
80043f3b
JK		 1002static u32 fm10k_get_priv_flags(struct net_device *netdev)
1003{
1004 struct fm10k_intfc *interface = netdev_priv(netdev);
1005 u32 priv_flags = 0;
1006
1007 if (interface->flags & FM10K_FLAG_DEBUG_STATS)
1008 priv_flags |= 1 << FM10K_PRV_FLAG_DEBUG_STATS;
1009
1010 return priv_flags;
1011}
1012
1013static int fm10k_set_priv_flags(struct net_device *netdev, u32 priv_flags)
1014{
1015 struct fm10k_intfc *interface = netdev_priv(netdev);
1016
1017 if (priv_flags >= (1 << FM10K_PRV_FLAG_LEN))
1018 return -EINVAL;
1019
1020 if (priv_flags & (1 << FM10K_PRV_FLAG_DEBUG_STATS))
1021 interface->flags |= FM10K_FLAG_DEBUG_STATS;
1022 else
1023 interface->flags &= ~FM10K_FLAG_DEBUG_STATS;
1024
1025 return 0;
1026}
1027
de445199 1028static u32 fm10k_get_reta_size(struct net_device __always_unused *netdev)
82dd0f7e
AD		 1029{
1030 return FM10K_RETA_SIZE * FM10K_RETA_ENTRIES_PER_REG;
1031}
1032
1033static int fm10k_get_reta(struct net_device *netdev, u32 *indir)
1034{
1035 struct fm10k_intfc *interface = netdev_priv(netdev);
1036 int i;
1037
1038 if (!indir)
1039 return 0;
1040
1041 for (i = 0; i < FM10K_RETA_SIZE; i++, indir += 4) {
1042 u32 reta = interface->reta[i];
1043
1044 indir[0] = (reta << 24) >> 24;
1045 indir[1] = (reta << 16) >> 24;
1046 indir[2] = (reta << 8) >> 24;
1047 indir[3] = (reta) >> 24;
1048 }
1049
1050 return 0;
1051}
1052
1053static int fm10k_set_reta(struct net_device *netdev, const u32 *indir)
1054{
1055 struct fm10k_intfc *interface = netdev_priv(netdev);
1056 struct fm10k_hw *hw = &interface->hw;
1057 int i;
1058 u16 rss_i;
1059
1060 if (!indir)
1061 return 0;
1062
1063 /* Verify user input. */
1064 rss_i = interface->ring_feature[RING_F_RSS].indices;
1065 for (i = fm10k_get_reta_size(netdev); i--;) {
1066 if (indir[i] < rss_i)
1067 continue;
1068 return -EINVAL;
1069 }
1070
1071 /* record entries to reta table */
1072 for (i = 0; i < FM10K_RETA_SIZE; i++, indir += 4) {
1073 u32 reta = indir[0] |
1074 (indir[1] << 8) |
1075 (indir[2] << 16) |
1076 (indir[3] << 24);
1077
1078 if (interface->reta[i] == reta)
1079 continue;
1080
1081 interface->reta[i] = reta;
1082 fm10k_write_reg(hw, FM10K_RETA(0, i), reta);
1083 }
1084
1085 return 0;
1086}
1087
de445199 1088static u32 fm10k_get_rssrk_size(struct net_device __always_unused *netdev)
82dd0f7e
AD		 1089{
1090 return FM10K_RSSRK_SIZE * FM10K_RSSRK_ENTRIES_PER_REG;
1091}
1092
892311f6
EP		 1093static int fm10k_get_rssh(struct net_device *netdev, u32 *indir, u8 *key,
1094 u8 *hfunc)
82dd0f7e
AD		 1095{
1096 struct fm10k_intfc *interface = netdev_priv(netdev);
1097 int i, err;
1098
892311f6
EP		 1099 if (hfunc)
1100 *hfunc = ETH_RSS_HASH_TOP;
1101
82dd0f7e
AD		 1102 err = fm10k_get_reta(netdev, indir);
1103 if (err || !key)
1104 return err;
1105
1106 for (i = 0; i < FM10K_RSSRK_SIZE; i++, key += 4)
1107 *(__le32 *)key = cpu_to_le32(interface->rssrk[i]);
1108
1109 return 0;
1110}
1111
1112static int fm10k_set_rssh(struct net_device *netdev, const u32 *indir,
892311f6 1113 const u8 *key, const u8 hfunc)
82dd0f7e
AD		 1114{
1115 struct fm10k_intfc *interface = netdev_priv(netdev);
1116 struct fm10k_hw *hw = &interface->hw;
1117 int i, err;
1118
892311f6
EP		 1119 /* We do not allow change in unsupported parameters */
1120 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1121 return -EOPNOTSUPP;
1122
82dd0f7e
AD		 1123 err = fm10k_set_reta(netdev, indir);
1124 if (err || !key)
1125 return err;
1126
1127 for (i = 0; i < FM10K_RSSRK_SIZE; i++, key += 4) {
1128 u32 rssrk = le32_to_cpu(*(__le32 *)key);
1129
1130 if (interface->rssrk[i] == rssrk)
1131 continue;
1132
1133 interface->rssrk[i] = rssrk;
1134 fm10k_write_reg(hw, FM10K_RSSRK(0, i), rssrk);
1135 }
1136
1137 return 0;
1138}
1139
aa3ac822
AD		 1140static unsigned int fm10k_max_channels(struct net_device *dev)
1141{
1142 struct fm10k_intfc *interface = netdev_priv(dev);
1143 unsigned int max_combined = interface->hw.mac.max_queues;
1144 u8 tcs = netdev_get_num_tc(dev);
1145
1146 /* For QoS report channels per traffic class */
1147 if (tcs > 1)
1148 max_combined = 1 << (fls(max_combined / tcs) - 1);
1149
1150 return max_combined;
1151}
1152
1153static void fm10k_get_channels(struct net_device *dev,
1154 struct ethtool_channels *ch)
1155{
1156 struct fm10k_intfc *interface = netdev_priv(dev);
1157 struct fm10k_hw *hw = &interface->hw;
1158
1159 /* report maximum channels */
1160 ch->max_combined = fm10k_max_channels(dev);
1161
1162 /* report info for other vector */
1163 ch->max_other = NON_Q_VECTORS(hw);
1164 ch->other_count = ch->max_other;
1165
1166 /* record RSS queues */
1167 ch->combined_count = interface->ring_feature[RING_F_RSS].indices;
1168}
1169
1170static int fm10k_set_channels(struct net_device *dev,
1171 struct ethtool_channels *ch)
1172{
1173 struct fm10k_intfc *interface = netdev_priv(dev);
1174 unsigned int count = ch->combined_count;
1175 struct fm10k_hw *hw = &interface->hw;
1176
1177 /* verify they are not requesting separate vectors */
1178 if (!count || ch->rx_count || ch->tx_count)
1179 return -EINVAL;
1180
1181 /* verify other_count has not changed */
1182 if (ch->other_count != NON_Q_VECTORS(hw))
1183 return -EINVAL;
1184
1185 /* verify the number of channels does not exceed hardware limits */
1186 if (count > fm10k_max_channels(dev))
1187 return -EINVAL;
1188
1189 interface->ring_feature[RING_F_RSS].limit = count;
1190
1191 /* use setup TC to update any traffic class queue mapping */
1192 return fm10k_setup_tc(dev, netdev_get_num_tc(dev));
1193}
1194
a211e013 1195static int fm10k_get_ts_info(struct net_device *dev,
eca32047 1196 struct ethtool_ts_info *info)
a211e013
AD		 1197{
1198 struct fm10k_intfc *interface = netdev_priv(dev);
1199
1200 info->so_timestamping =
1201 SOF_TIMESTAMPING_TX_SOFTWARE |
1202 SOF_TIMESTAMPING_RX_SOFTWARE |
1203 SOF_TIMESTAMPING_SOFTWARE |
1204 SOF_TIMESTAMPING_TX_HARDWARE |
1205 SOF_TIMESTAMPING_RX_HARDWARE |
1206 SOF_TIMESTAMPING_RAW_HARDWARE;
1207
1208 if (interface->ptp_clock)
1209 info->phc_index = ptp_clock_index(interface->ptp_clock);
1210 else
1211 info->phc_index = -1;
1212
1213 info->tx_types = (1 << HWTSTAMP_TX_OFF) |
1214 (1 << HWTSTAMP_TX_ON);
1215
1216 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
1217 (1 << HWTSTAMP_FILTER_ALL);
1218
1219 return 0;
1220}
1221
82dd0f7e
AD		 1222static const struct ethtool_ops fm10k_ethtool_ops = {
1223 .get_strings = fm10k_get_strings,
1224 .get_sset_count = fm10k_get_sset_count,
1225 .get_ethtool_stats = fm10k_get_ethtool_stats,
1226 .get_drvinfo = fm10k_get_drvinfo,
1227 .get_link = ethtool_op_get_link,
1228 .get_pauseparam = fm10k_get_pauseparam,
1229 .set_pauseparam = fm10k_set_pauseparam,
1230 .get_msglevel = fm10k_get_msglevel,
1231 .set_msglevel = fm10k_set_msglevel,
1232 .get_ringparam = fm10k_get_ringparam,
1233 .set_ringparam = fm10k_set_ringparam,
1234 .get_coalesce = fm10k_get_coalesce,
1235 .set_coalesce = fm10k_set_coalesce,
1236 .get_rxnfc = fm10k_get_rxnfc,
1237 .set_rxnfc = fm10k_set_rxnfc,
1238 .get_regs = fm10k_get_regs,
1239 .get_regs_len = fm10k_get_regs_len,
5cb8db4a 1240 .self_test = fm10k_self_test,
80043f3b
JK		 1241 .get_priv_flags = fm10k_get_priv_flags,
1242 .set_priv_flags = fm10k_set_priv_flags,
82dd0f7e
AD		 1243 .get_rxfh_indir_size = fm10k_get_reta_size,
1244 .get_rxfh_key_size = fm10k_get_rssrk_size,
1245 .get_rxfh = fm10k_get_rssh,
1246 .set_rxfh = fm10k_set_rssh,
aa3ac822
AD		 1247 .get_channels = fm10k_get_channels,
1248 .set_channels = fm10k_set_channels,
a211e013 1249 .get_ts_info = fm10k_get_ts_info,
82dd0f7e
AD		 1250};
1251
1252void fm10k_set_ethtool_ops(struct net_device *dev)
1253{
1254 dev->ethtool_ops = &fm10k_ethtool_ops;
1255}
Linux kernel - Deliverables
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