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1// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later
2/*
3 * Copyright 2008 - 2016 Freescale Semiconductor Inc.
4 */
5
6#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
7
8#include <linux/string.h>
9#include <linux/of.h>
10#include <linux/of_platform.h>
11#include <linux/platform_device.h>
12#include <linux/net_tstamp.h>
13#include <linux/fsl/ptp_qoriq.h>
14
15#include "dpaa_eth.h"
16#include "mac.h"
17
18static const char dpaa_stats_percpu[][ETH_GSTRING_LEN] = {
19 "interrupts",
20 "rx packets",
21 "tx packets",
22 "tx confirm",
23 "tx S/G",
24 "tx error",
25 "rx error",
26 "rx dropped",
27 "tx dropped",
28};
29
30static char dpaa_stats_global[][ETH_GSTRING_LEN] = {
31 /* dpa rx errors */
32 "rx dma error",
33 "rx frame physical error",
34 "rx frame size error",
35 "rx header error",
36
37 /* demultiplexing errors */
38 "qman cg_tdrop",
39 "qman wred",
40 "qman error cond",
41 "qman early window",
42 "qman late window",
43 "qman fq tdrop",
44 "qman fq retired",
45 "qman orp disabled",
46
47 /* congestion related stats */
48 "congestion time (ms)",
49 "entered congestion",
50 "congested (0/1)"
51};
52
53#define DPAA_STATS_PERCPU_LEN ARRAY_SIZE(dpaa_stats_percpu)
54#define DPAA_STATS_GLOBAL_LEN ARRAY_SIZE(dpaa_stats_global)
55
56static int dpaa_get_link_ksettings(struct net_device *net_dev,
57 struct ethtool_link_ksettings *cmd)
58{
59 struct dpaa_priv *priv = netdev_priv(net_dev);
60 struct mac_device *mac_dev = priv->mac_dev;
61
62 return phylink_ethtool_ksettings_get(mac_dev->phylink, cmd);
63}
64
65static int dpaa_set_link_ksettings(struct net_device *net_dev,
66 const struct ethtool_link_ksettings *cmd)
67{
68 struct dpaa_priv *priv = netdev_priv(net_dev);
69 struct mac_device *mac_dev = priv->mac_dev;
70
71 return phylink_ethtool_ksettings_set(mac_dev->phylink, cmd);
72}
73
74static void dpaa_get_drvinfo(struct net_device *net_dev,
75 struct ethtool_drvinfo *drvinfo)
76{
77 strscpy(drvinfo->driver, KBUILD_MODNAME,
78 sizeof(drvinfo->driver));
79 strscpy(drvinfo->bus_info, dev_name(net_dev->dev.parent->parent),
80 sizeof(drvinfo->bus_info));
81}
82
83static u32 dpaa_get_msglevel(struct net_device *net_dev)
84{
85 return ((struct dpaa_priv *)netdev_priv(net_dev))->msg_enable;
86}
87
88static void dpaa_set_msglevel(struct net_device *net_dev,
89 u32 msg_enable)
90{
91 ((struct dpaa_priv *)netdev_priv(net_dev))->msg_enable = msg_enable;
92}
93
94static int dpaa_nway_reset(struct net_device *net_dev)
95{
96 struct dpaa_priv *priv = netdev_priv(net_dev);
97 struct mac_device *mac_dev = priv->mac_dev;
98
99 return phylink_ethtool_nway_reset(mac_dev->phylink);
100}
101
102static void dpaa_get_pauseparam(struct net_device *net_dev,
103 struct ethtool_pauseparam *epause)
104{
105 struct dpaa_priv *priv = netdev_priv(net_dev);
106 struct mac_device *mac_dev = priv->mac_dev;
107
108 phylink_ethtool_get_pauseparam(mac_dev->phylink, epause);
109}
110
111static int dpaa_set_pauseparam(struct net_device *net_dev,
112 struct ethtool_pauseparam *epause)
113{
114 struct dpaa_priv *priv = netdev_priv(net_dev);
115 struct mac_device *mac_dev = priv->mac_dev;
116
117 return phylink_ethtool_set_pauseparam(mac_dev->phylink, epause);
118}
119
120static int dpaa_get_sset_count(struct net_device *net_dev, int type)
121{
122 unsigned int total_stats, num_stats;
123
124 num_stats = num_online_cpus() + 1;
125 total_stats = num_stats * (DPAA_STATS_PERCPU_LEN + 1) +
126 DPAA_STATS_GLOBAL_LEN;
127
128 switch (type) {
129 case ETH_SS_STATS:
130 return total_stats;
131 default:
132 return -EOPNOTSUPP;
133 }
134}
135
136static void copy_stats(struct dpaa_percpu_priv *percpu_priv, int num_cpus,
137 int crr_cpu, u64 bp_count, u64 *data)
138{
139 int num_values = num_cpus + 1;
140 int crr = 0;
141
142 /* update current CPU's stats and also add them to the total values */
143 data[crr * num_values + crr_cpu] = percpu_priv->in_interrupt;
144 data[crr++ * num_values + num_cpus] += percpu_priv->in_interrupt;
145
146 data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_packets;
147 data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_packets;
148
149 data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_packets;
150 data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_packets;
151
152 data[crr * num_values + crr_cpu] = percpu_priv->tx_confirm;
153 data[crr++ * num_values + num_cpus] += percpu_priv->tx_confirm;
154
155 data[crr * num_values + crr_cpu] = percpu_priv->tx_frag_skbuffs;
156 data[crr++ * num_values + num_cpus] += percpu_priv->tx_frag_skbuffs;
157
158 data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_errors;
159 data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_errors;
160
161 data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_errors;
162 data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_errors;
163
164 data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_dropped;
165 data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_dropped;
166
167 data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_dropped;
168 data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_dropped;
169
170 data[crr * num_values + crr_cpu] = bp_count;
171 data[crr++ * num_values + num_cpus] += bp_count;
172}
173
174static void dpaa_get_ethtool_stats(struct net_device *net_dev,
175 struct ethtool_stats *stats, u64 *data)
176{
177 struct dpaa_percpu_priv *percpu_priv;
178 struct dpaa_rx_errors rx_errors;
179 unsigned int num_cpus, offset;
180 u64 bp_count, cg_time, cg_num;
181 struct dpaa_ern_cnt ern_cnt;
182 struct dpaa_bp *dpaa_bp;
183 struct dpaa_priv *priv;
184 int total_stats, i;
185 bool cg_status;
186
187 total_stats = dpaa_get_sset_count(net_dev, ETH_SS_STATS);
188 priv = netdev_priv(net_dev);
189 num_cpus = num_online_cpus();
190
191 memset(&bp_count, 0, sizeof(bp_count));
192 memset(&rx_errors, 0, sizeof(struct dpaa_rx_errors));
193 memset(&ern_cnt, 0, sizeof(struct dpaa_ern_cnt));
194 memset(data, 0, total_stats * sizeof(u64));
195
196 for_each_online_cpu(i) {
197 percpu_priv = per_cpu_ptr(priv->percpu_priv, i);
198 dpaa_bp = priv->dpaa_bp;
199 if (!dpaa_bp->percpu_count)
200 continue;
201 bp_count = *(per_cpu_ptr(dpaa_bp->percpu_count, i));
202 rx_errors.dme += percpu_priv->rx_errors.dme;
203 rx_errors.fpe += percpu_priv->rx_errors.fpe;
204 rx_errors.fse += percpu_priv->rx_errors.fse;
205 rx_errors.phe += percpu_priv->rx_errors.phe;
206
207 ern_cnt.cg_tdrop += percpu_priv->ern_cnt.cg_tdrop;
208 ern_cnt.wred += percpu_priv->ern_cnt.wred;
209 ern_cnt.err_cond += percpu_priv->ern_cnt.err_cond;
210 ern_cnt.early_window += percpu_priv->ern_cnt.early_window;
211 ern_cnt.late_window += percpu_priv->ern_cnt.late_window;
212 ern_cnt.fq_tdrop += percpu_priv->ern_cnt.fq_tdrop;
213 ern_cnt.fq_retired += percpu_priv->ern_cnt.fq_retired;
214 ern_cnt.orp_zero += percpu_priv->ern_cnt.orp_zero;
215
216 copy_stats(percpu_priv, num_cpus, i, bp_count, data);
217 }
218
219 offset = (num_cpus + 1) * (DPAA_STATS_PERCPU_LEN + 1);
220 memcpy(data + offset, &rx_errors, sizeof(struct dpaa_rx_errors));
221
222 offset += sizeof(struct dpaa_rx_errors) / sizeof(u64);
223 memcpy(data + offset, &ern_cnt, sizeof(struct dpaa_ern_cnt));
224
225 /* gather congestion related counters */
226 cg_num = 0;
227 cg_status = false;
228 cg_time = jiffies_to_msecs(priv->cgr_data.congested_jiffies);
229 if (qman_query_cgr_congested(&priv->cgr_data.cgr, &cg_status) == 0) {
230 cg_num = priv->cgr_data.cgr_congested_count;
231
232 /* reset congestion stats (like QMan API does */
233 priv->cgr_data.congested_jiffies = 0;
234 priv->cgr_data.cgr_congested_count = 0;
235 }
236
237 offset += sizeof(struct dpaa_ern_cnt) / sizeof(u64);
238 data[offset++] = cg_time;
239 data[offset++] = cg_num;
240 data[offset++] = cg_status;
241}
242
243static void dpaa_get_strings(struct net_device *net_dev, u32 stringset,
244 u8 *data)
245{
246 unsigned int i, j, num_cpus, size;
247 char string_cpu[ETH_GSTRING_LEN];
248 u8 *strings;
249
250 memset(string_cpu, 0, sizeof(string_cpu));
251 strings = data;
252 num_cpus = num_online_cpus();
253 size = DPAA_STATS_GLOBAL_LEN * ETH_GSTRING_LEN;
254
255 for (i = 0; i < DPAA_STATS_PERCPU_LEN; i++) {
256 for (j = 0; j < num_cpus; j++) {
257 snprintf(string_cpu, ETH_GSTRING_LEN, "%s [CPU %d]",
258 dpaa_stats_percpu[i], j);
259 memcpy(strings, string_cpu, ETH_GSTRING_LEN);
260 strings += ETH_GSTRING_LEN;
261 }
262 snprintf(string_cpu, ETH_GSTRING_LEN, "%s [TOTAL]",
263 dpaa_stats_percpu[i]);
264 memcpy(strings, string_cpu, ETH_GSTRING_LEN);
265 strings += ETH_GSTRING_LEN;
266 }
267 for (j = 0; j < num_cpus; j++) {
268 snprintf(string_cpu, ETH_GSTRING_LEN,
269 "bpool [CPU %d]", j);
270 memcpy(strings, string_cpu, ETH_GSTRING_LEN);
271 strings += ETH_GSTRING_LEN;
272 }
273 snprintf(string_cpu, ETH_GSTRING_LEN, "bpool [TOTAL]");
274 memcpy(strings, string_cpu, ETH_GSTRING_LEN);
275 strings += ETH_GSTRING_LEN;
276
277 memcpy(strings, dpaa_stats_global, size);
278}
279
280static int dpaa_get_hash_opts(struct net_device *dev,
281 struct ethtool_rxnfc *cmd)
282{
283 struct dpaa_priv *priv = netdev_priv(dev);
284
285 cmd->data = 0;
286
287 switch (cmd->flow_type) {
288 case TCP_V4_FLOW:
289 case TCP_V6_FLOW:
290 case UDP_V4_FLOW:
291 case UDP_V6_FLOW:
292 if (priv->keygen_in_use)
293 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
294 fallthrough;
295 case IPV4_FLOW:
296 case IPV6_FLOW:
297 case SCTP_V4_FLOW:
298 case SCTP_V6_FLOW:
299 case AH_ESP_V4_FLOW:
300 case AH_ESP_V6_FLOW:
301 case AH_V4_FLOW:
302 case AH_V6_FLOW:
303 case ESP_V4_FLOW:
304 case ESP_V6_FLOW:
305 if (priv->keygen_in_use)
306 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
307 break;
308 default:
309 cmd->data = 0;
310 break;
311 }
312
313 return 0;
314}
315
316static int dpaa_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
317 u32 *unused)
318{
319 int ret = -EOPNOTSUPP;
320
321 switch (cmd->cmd) {
322 case ETHTOOL_GRXFH:
323 ret = dpaa_get_hash_opts(dev, cmd);
324 break;
325 default:
326 break;
327 }
328
329 return ret;
330}
331
332static void dpaa_set_hash(struct net_device *net_dev, bool enable)
333{
334 struct mac_device *mac_dev;
335 struct fman_port *rxport;
336 struct dpaa_priv *priv;
337
338 priv = netdev_priv(net_dev);
339 mac_dev = priv->mac_dev;
340 rxport = mac_dev->port[0];
341
342 fman_port_use_kg_hash(rxport, enable);
343 priv->keygen_in_use = enable;
344}
345
346static int dpaa_set_hash_opts(struct net_device *dev,
347 struct ethtool_rxnfc *nfc)
348{
349 int ret = -EINVAL;
350
351 /* we support hashing on IPv4/v6 src/dest IP and L4 src/dest port */
352 if (nfc->data &
353 ~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3))
354 return -EINVAL;
355
356 switch (nfc->flow_type) {
357 case TCP_V4_FLOW:
358 case TCP_V6_FLOW:
359 case UDP_V4_FLOW:
360 case UDP_V6_FLOW:
361 case IPV4_FLOW:
362 case IPV6_FLOW:
363 case SCTP_V4_FLOW:
364 case SCTP_V6_FLOW:
365 case AH_ESP_V4_FLOW:
366 case AH_ESP_V6_FLOW:
367 case AH_V4_FLOW:
368 case AH_V6_FLOW:
369 case ESP_V4_FLOW:
370 case ESP_V6_FLOW:
371 dpaa_set_hash(dev, !!nfc->data);
372 ret = 0;
373 break;
374 default:
375 break;
376 }
377
378 return ret;
379}
380
381static int dpaa_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
382{
383 int ret = -EOPNOTSUPP;
384
385 switch (cmd->cmd) {
386 case ETHTOOL_SRXFH:
387 ret = dpaa_set_hash_opts(dev, cmd);
388 break;
389 default:
390 break;
391 }
392
393 return ret;
394}
395
396static int dpaa_get_ts_info(struct net_device *net_dev,
397 struct ethtool_ts_info *info)
398{
399 struct device *dev = net_dev->dev.parent;
400 struct device_node *mac_node = dev->of_node;
401 struct device_node *fman_node = NULL, *ptp_node = NULL;
402 struct platform_device *ptp_dev = NULL;
403 struct ptp_qoriq *ptp = NULL;
404
405 info->phc_index = -1;
406
407 fman_node = of_get_parent(mac_node);
408 if (fman_node) {
409 ptp_node = of_parse_phandle(fman_node, "ptimer-handle", 0);
410 of_node_put(fman_node);
411 }
412
413 if (ptp_node) {
414 ptp_dev = of_find_device_by_node(ptp_node);
415 of_node_put(ptp_node);
416 }
417
418 if (ptp_dev)
419 ptp = platform_get_drvdata(ptp_dev);
420
421 if (ptp)
422 info->phc_index = ptp->phc_index;
423
424 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
425 SOF_TIMESTAMPING_RX_HARDWARE |
426 SOF_TIMESTAMPING_RAW_HARDWARE;
427 info->tx_types = (1 << HWTSTAMP_TX_OFF) |
428 (1 << HWTSTAMP_TX_ON);
429 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
430 (1 << HWTSTAMP_FILTER_ALL);
431
432 return 0;
433}
434
435static int dpaa_get_coalesce(struct net_device *dev,
436 struct ethtool_coalesce *c,
437 struct kernel_ethtool_coalesce *kernel_coal,
438 struct netlink_ext_ack *extack)
439{
440 struct qman_portal *portal;
441 u32 period;
442 u8 thresh;
443
444 portal = qman_get_affine_portal(smp_processor_id());
445 qman_portal_get_iperiod(portal, &period);
446 qman_dqrr_get_ithresh(portal, &thresh);
447
448 c->rx_coalesce_usecs = period;
449 c->rx_max_coalesced_frames = thresh;
450
451 return 0;
452}
453
454static int dpaa_set_coalesce(struct net_device *dev,
455 struct ethtool_coalesce *c,
456 struct kernel_ethtool_coalesce *kernel_coal,
457 struct netlink_ext_ack *extack)
458{
459 const cpumask_t *cpus = qman_affine_cpus();
460 bool needs_revert[NR_CPUS] = {false};
461 struct qman_portal *portal;
462 u32 period, prev_period;
463 u8 thresh, prev_thresh;
464 int cpu, res;
465
466 period = c->rx_coalesce_usecs;
467 thresh = c->rx_max_coalesced_frames;
468
469 /* save previous values */
470 portal = qman_get_affine_portal(smp_processor_id());
471 qman_portal_get_iperiod(portal, &prev_period);
472 qman_dqrr_get_ithresh(portal, &prev_thresh);
473
474 /* set new values */
475 for_each_cpu_and(cpu, cpus, cpu_online_mask) {
476 portal = qman_get_affine_portal(cpu);
477 res = qman_portal_set_iperiod(portal, period);
478 if (res)
479 goto revert_values;
480 res = qman_dqrr_set_ithresh(portal, thresh);
481 if (res) {
482 qman_portal_set_iperiod(portal, prev_period);
483 goto revert_values;
484 }
485 needs_revert[cpu] = true;
486 }
487
488 return 0;
489
490revert_values:
491 /* restore previous values */
492 for_each_cpu_and(cpu, cpus, cpu_online_mask) {
493 if (!needs_revert[cpu])
494 continue;
495 portal = qman_get_affine_portal(cpu);
496 /* previous values will not fail, ignore return value */
497 qman_portal_set_iperiod(portal, prev_period);
498 qman_dqrr_set_ithresh(portal, prev_thresh);
499 }
500
501 return res;
502}
503
504const struct ethtool_ops dpaa_ethtool_ops = {
505 .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
506 ETHTOOL_COALESCE_RX_MAX_FRAMES,
507 .get_drvinfo = dpaa_get_drvinfo,
508 .get_msglevel = dpaa_get_msglevel,
509 .set_msglevel = dpaa_set_msglevel,
510 .nway_reset = dpaa_nway_reset,
511 .get_pauseparam = dpaa_get_pauseparam,
512 .set_pauseparam = dpaa_set_pauseparam,
513 .get_link = ethtool_op_get_link,
514 .get_sset_count = dpaa_get_sset_count,
515 .get_ethtool_stats = dpaa_get_ethtool_stats,
516 .get_strings = dpaa_get_strings,
517 .get_link_ksettings = dpaa_get_link_ksettings,
518 .set_link_ksettings = dpaa_set_link_ksettings,
519 .get_rxnfc = dpaa_get_rxnfc,
520 .set_rxnfc = dpaa_set_rxnfc,
521 .get_ts_info = dpaa_get_ts_info,
522 .get_coalesce = dpaa_get_coalesce,
523 .set_coalesce = dpaa_set_coalesce,
524};
1/* Copyright 2008-2016 Freescale Semiconductor, Inc.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are met:
5 * * Redistributions of source code must retain the above copyright
6 * notice, this list of conditions and the following disclaimer.
7 * * Redistributions in binary form must reproduce the above copyright
8 * notice, this list of conditions and the following disclaimer in the
9 * documentation and/or other materials provided with the distribution.
10 * * Neither the name of Freescale Semiconductor nor the
11 * names of its contributors may be used to endorse or promote products
12 * derived from this software without specific prior written permission.
13 *
14 *
15 * ALTERNATIVELY, this software may be distributed under the terms of the
16 * GNU General Public License ("GPL") as published by the Free Software
17 * Foundation, either version 2 of that License or (at your option) any
18 * later version.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
21 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
23 * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
24 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
27 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
33
34#include <linux/string.h>
35#include <linux/of_platform.h>
36#include <linux/net_tstamp.h>
37#include <linux/fsl/ptp_qoriq.h>
38
39#include "dpaa_eth.h"
40#include "mac.h"
41
42static const char dpaa_stats_percpu[][ETH_GSTRING_LEN] = {
43 "interrupts",
44 "rx packets",
45 "tx packets",
46 "tx confirm",
47 "tx S/G",
48 "tx error",
49 "rx error",
50 "rx dropped",
51 "tx dropped",
52};
53
54static char dpaa_stats_global[][ETH_GSTRING_LEN] = {
55 /* dpa rx errors */
56 "rx dma error",
57 "rx frame physical error",
58 "rx frame size error",
59 "rx header error",
60
61 /* demultiplexing errors */
62 "qman cg_tdrop",
63 "qman wred",
64 "qman error cond",
65 "qman early window",
66 "qman late window",
67 "qman fq tdrop",
68 "qman fq retired",
69 "qman orp disabled",
70
71 /* congestion related stats */
72 "congestion time (ms)",
73 "entered congestion",
74 "congested (0/1)"
75};
76
77#define DPAA_STATS_PERCPU_LEN ARRAY_SIZE(dpaa_stats_percpu)
78#define DPAA_STATS_GLOBAL_LEN ARRAY_SIZE(dpaa_stats_global)
79
80static int dpaa_get_link_ksettings(struct net_device *net_dev,
81 struct ethtool_link_ksettings *cmd)
82{
83 if (!net_dev->phydev)
84 return 0;
85
86 phy_ethtool_ksettings_get(net_dev->phydev, cmd);
87
88 return 0;
89}
90
91static int dpaa_set_link_ksettings(struct net_device *net_dev,
92 const struct ethtool_link_ksettings *cmd)
93{
94 int err;
95
96 if (!net_dev->phydev)
97 return -ENODEV;
98
99 err = phy_ethtool_ksettings_set(net_dev->phydev, cmd);
100 if (err < 0)
101 netdev_err(net_dev, "phy_ethtool_ksettings_set() = %d\n", err);
102
103 return err;
104}
105
106static void dpaa_get_drvinfo(struct net_device *net_dev,
107 struct ethtool_drvinfo *drvinfo)
108{
109 strlcpy(drvinfo->driver, KBUILD_MODNAME,
110 sizeof(drvinfo->driver));
111 strlcpy(drvinfo->bus_info, dev_name(net_dev->dev.parent->parent),
112 sizeof(drvinfo->bus_info));
113}
114
115static u32 dpaa_get_msglevel(struct net_device *net_dev)
116{
117 return ((struct dpaa_priv *)netdev_priv(net_dev))->msg_enable;
118}
119
120static void dpaa_set_msglevel(struct net_device *net_dev,
121 u32 msg_enable)
122{
123 ((struct dpaa_priv *)netdev_priv(net_dev))->msg_enable = msg_enable;
124}
125
126static int dpaa_nway_reset(struct net_device *net_dev)
127{
128 int err;
129
130 if (!net_dev->phydev)
131 return -ENODEV;
132
133 err = 0;
134 if (net_dev->phydev->autoneg) {
135 err = phy_start_aneg(net_dev->phydev);
136 if (err < 0)
137 netdev_err(net_dev, "phy_start_aneg() = %d\n",
138 err);
139 }
140
141 return err;
142}
143
144static void dpaa_get_pauseparam(struct net_device *net_dev,
145 struct ethtool_pauseparam *epause)
146{
147 struct mac_device *mac_dev;
148 struct dpaa_priv *priv;
149
150 priv = netdev_priv(net_dev);
151 mac_dev = priv->mac_dev;
152
153 if (!net_dev->phydev)
154 return;
155
156 epause->autoneg = mac_dev->autoneg_pause;
157 epause->rx_pause = mac_dev->rx_pause_active;
158 epause->tx_pause = mac_dev->tx_pause_active;
159}
160
161static int dpaa_set_pauseparam(struct net_device *net_dev,
162 struct ethtool_pauseparam *epause)
163{
164 struct mac_device *mac_dev;
165 struct phy_device *phydev;
166 bool rx_pause, tx_pause;
167 struct dpaa_priv *priv;
168 int err;
169
170 priv = netdev_priv(net_dev);
171 mac_dev = priv->mac_dev;
172
173 phydev = net_dev->phydev;
174 if (!phydev) {
175 netdev_err(net_dev, "phy device not initialized\n");
176 return -ENODEV;
177 }
178
179 if (!phy_validate_pause(phydev, epause))
180 return -EINVAL;
181
182 /* The MAC should know how to handle PAUSE frame autonegotiation before
183 * adjust_link is triggered by a forced renegotiation of sym/asym PAUSE
184 * settings.
185 */
186 mac_dev->autoneg_pause = !!epause->autoneg;
187 mac_dev->rx_pause_req = !!epause->rx_pause;
188 mac_dev->tx_pause_req = !!epause->tx_pause;
189
190 /* Determine the sym/asym advertised PAUSE capabilities from the desired
191 * rx/tx pause settings.
192 */
193
194 phy_set_asym_pause(phydev, epause->rx_pause, epause->tx_pause);
195
196 fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause);
197 err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause);
198 if (err < 0)
199 netdev_err(net_dev, "set_mac_active_pause() = %d\n", err);
200
201 return err;
202}
203
204static int dpaa_get_sset_count(struct net_device *net_dev, int type)
205{
206 unsigned int total_stats, num_stats;
207
208 num_stats = num_online_cpus() + 1;
209 total_stats = num_stats * (DPAA_STATS_PERCPU_LEN + 1) +
210 DPAA_STATS_GLOBAL_LEN;
211
212 switch (type) {
213 case ETH_SS_STATS:
214 return total_stats;
215 default:
216 return -EOPNOTSUPP;
217 }
218}
219
220static void copy_stats(struct dpaa_percpu_priv *percpu_priv, int num_cpus,
221 int crr_cpu, u64 bp_count, u64 *data)
222{
223 int num_values = num_cpus + 1;
224 int crr = 0;
225
226 /* update current CPU's stats and also add them to the total values */
227 data[crr * num_values + crr_cpu] = percpu_priv->in_interrupt;
228 data[crr++ * num_values + num_cpus] += percpu_priv->in_interrupt;
229
230 data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_packets;
231 data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_packets;
232
233 data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_packets;
234 data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_packets;
235
236 data[crr * num_values + crr_cpu] = percpu_priv->tx_confirm;
237 data[crr++ * num_values + num_cpus] += percpu_priv->tx_confirm;
238
239 data[crr * num_values + crr_cpu] = percpu_priv->tx_frag_skbuffs;
240 data[crr++ * num_values + num_cpus] += percpu_priv->tx_frag_skbuffs;
241
242 data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_errors;
243 data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_errors;
244
245 data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_errors;
246 data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_errors;
247
248 data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_dropped;
249 data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_dropped;
250
251 data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_dropped;
252 data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_dropped;
253
254 data[crr * num_values + crr_cpu] = bp_count;
255 data[crr++ * num_values + num_cpus] += bp_count;
256}
257
258static void dpaa_get_ethtool_stats(struct net_device *net_dev,
259 struct ethtool_stats *stats, u64 *data)
260{
261 struct dpaa_percpu_priv *percpu_priv;
262 struct dpaa_rx_errors rx_errors;
263 unsigned int num_cpus, offset;
264 u64 bp_count, cg_time, cg_num;
265 struct dpaa_ern_cnt ern_cnt;
266 struct dpaa_bp *dpaa_bp;
267 struct dpaa_priv *priv;
268 int total_stats, i;
269 bool cg_status;
270
271 total_stats = dpaa_get_sset_count(net_dev, ETH_SS_STATS);
272 priv = netdev_priv(net_dev);
273 num_cpus = num_online_cpus();
274
275 memset(&bp_count, 0, sizeof(bp_count));
276 memset(&rx_errors, 0, sizeof(struct dpaa_rx_errors));
277 memset(&ern_cnt, 0, sizeof(struct dpaa_ern_cnt));
278 memset(data, 0, total_stats * sizeof(u64));
279
280 for_each_online_cpu(i) {
281 percpu_priv = per_cpu_ptr(priv->percpu_priv, i);
282 dpaa_bp = priv->dpaa_bp;
283 if (!dpaa_bp->percpu_count)
284 continue;
285 bp_count = *(per_cpu_ptr(dpaa_bp->percpu_count, i));
286 rx_errors.dme += percpu_priv->rx_errors.dme;
287 rx_errors.fpe += percpu_priv->rx_errors.fpe;
288 rx_errors.fse += percpu_priv->rx_errors.fse;
289 rx_errors.phe += percpu_priv->rx_errors.phe;
290
291 ern_cnt.cg_tdrop += percpu_priv->ern_cnt.cg_tdrop;
292 ern_cnt.wred += percpu_priv->ern_cnt.wred;
293 ern_cnt.err_cond += percpu_priv->ern_cnt.err_cond;
294 ern_cnt.early_window += percpu_priv->ern_cnt.early_window;
295 ern_cnt.late_window += percpu_priv->ern_cnt.late_window;
296 ern_cnt.fq_tdrop += percpu_priv->ern_cnt.fq_tdrop;
297 ern_cnt.fq_retired += percpu_priv->ern_cnt.fq_retired;
298 ern_cnt.orp_zero += percpu_priv->ern_cnt.orp_zero;
299
300 copy_stats(percpu_priv, num_cpus, i, bp_count, data);
301 }
302
303 offset = (num_cpus + 1) * (DPAA_STATS_PERCPU_LEN + 1);
304 memcpy(data + offset, &rx_errors, sizeof(struct dpaa_rx_errors));
305
306 offset += sizeof(struct dpaa_rx_errors) / sizeof(u64);
307 memcpy(data + offset, &ern_cnt, sizeof(struct dpaa_ern_cnt));
308
309 /* gather congestion related counters */
310 cg_num = 0;
311 cg_status = false;
312 cg_time = jiffies_to_msecs(priv->cgr_data.congested_jiffies);
313 if (qman_query_cgr_congested(&priv->cgr_data.cgr, &cg_status) == 0) {
314 cg_num = priv->cgr_data.cgr_congested_count;
315
316 /* reset congestion stats (like QMan API does */
317 priv->cgr_data.congested_jiffies = 0;
318 priv->cgr_data.cgr_congested_count = 0;
319 }
320
321 offset += sizeof(struct dpaa_ern_cnt) / sizeof(u64);
322 data[offset++] = cg_time;
323 data[offset++] = cg_num;
324 data[offset++] = cg_status;
325}
326
327static void dpaa_get_strings(struct net_device *net_dev, u32 stringset,
328 u8 *data)
329{
330 unsigned int i, j, num_cpus, size;
331 char string_cpu[ETH_GSTRING_LEN];
332 u8 *strings;
333
334 memset(string_cpu, 0, sizeof(string_cpu));
335 strings = data;
336 num_cpus = num_online_cpus();
337 size = DPAA_STATS_GLOBAL_LEN * ETH_GSTRING_LEN;
338
339 for (i = 0; i < DPAA_STATS_PERCPU_LEN; i++) {
340 for (j = 0; j < num_cpus; j++) {
341 snprintf(string_cpu, ETH_GSTRING_LEN, "%s [CPU %d]",
342 dpaa_stats_percpu[i], j);
343 memcpy(strings, string_cpu, ETH_GSTRING_LEN);
344 strings += ETH_GSTRING_LEN;
345 }
346 snprintf(string_cpu, ETH_GSTRING_LEN, "%s [TOTAL]",
347 dpaa_stats_percpu[i]);
348 memcpy(strings, string_cpu, ETH_GSTRING_LEN);
349 strings += ETH_GSTRING_LEN;
350 }
351 for (j = 0; j < num_cpus; j++) {
352 snprintf(string_cpu, ETH_GSTRING_LEN,
353 "bpool [CPU %d]", j);
354 memcpy(strings, string_cpu, ETH_GSTRING_LEN);
355 strings += ETH_GSTRING_LEN;
356 }
357 snprintf(string_cpu, ETH_GSTRING_LEN, "bpool [TOTAL]");
358 memcpy(strings, string_cpu, ETH_GSTRING_LEN);
359 strings += ETH_GSTRING_LEN;
360
361 memcpy(strings, dpaa_stats_global, size);
362}
363
364static int dpaa_get_hash_opts(struct net_device *dev,
365 struct ethtool_rxnfc *cmd)
366{
367 struct dpaa_priv *priv = netdev_priv(dev);
368
369 cmd->data = 0;
370
371 switch (cmd->flow_type) {
372 case TCP_V4_FLOW:
373 case TCP_V6_FLOW:
374 case UDP_V4_FLOW:
375 case UDP_V6_FLOW:
376 if (priv->keygen_in_use)
377 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
378 fallthrough;
379 case IPV4_FLOW:
380 case IPV6_FLOW:
381 case SCTP_V4_FLOW:
382 case SCTP_V6_FLOW:
383 case AH_ESP_V4_FLOW:
384 case AH_ESP_V6_FLOW:
385 case AH_V4_FLOW:
386 case AH_V6_FLOW:
387 case ESP_V4_FLOW:
388 case ESP_V6_FLOW:
389 if (priv->keygen_in_use)
390 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
391 break;
392 default:
393 cmd->data = 0;
394 break;
395 }
396
397 return 0;
398}
399
400static int dpaa_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
401 u32 *unused)
402{
403 int ret = -EOPNOTSUPP;
404
405 switch (cmd->cmd) {
406 case ETHTOOL_GRXFH:
407 ret = dpaa_get_hash_opts(dev, cmd);
408 break;
409 default:
410 break;
411 }
412
413 return ret;
414}
415
416static void dpaa_set_hash(struct net_device *net_dev, bool enable)
417{
418 struct mac_device *mac_dev;
419 struct fman_port *rxport;
420 struct dpaa_priv *priv;
421
422 priv = netdev_priv(net_dev);
423 mac_dev = priv->mac_dev;
424 rxport = mac_dev->port[0];
425
426 fman_port_use_kg_hash(rxport, enable);
427 priv->keygen_in_use = enable;
428}
429
430static int dpaa_set_hash_opts(struct net_device *dev,
431 struct ethtool_rxnfc *nfc)
432{
433 int ret = -EINVAL;
434
435 /* we support hashing on IPv4/v6 src/dest IP and L4 src/dest port */
436 if (nfc->data &
437 ~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3))
438 return -EINVAL;
439
440 switch (nfc->flow_type) {
441 case TCP_V4_FLOW:
442 case TCP_V6_FLOW:
443 case UDP_V4_FLOW:
444 case UDP_V6_FLOW:
445 case IPV4_FLOW:
446 case IPV6_FLOW:
447 case SCTP_V4_FLOW:
448 case SCTP_V6_FLOW:
449 case AH_ESP_V4_FLOW:
450 case AH_ESP_V6_FLOW:
451 case AH_V4_FLOW:
452 case AH_V6_FLOW:
453 case ESP_V4_FLOW:
454 case ESP_V6_FLOW:
455 dpaa_set_hash(dev, !!nfc->data);
456 ret = 0;
457 break;
458 default:
459 break;
460 }
461
462 return ret;
463}
464
465static int dpaa_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
466{
467 int ret = -EOPNOTSUPP;
468
469 switch (cmd->cmd) {
470 case ETHTOOL_SRXFH:
471 ret = dpaa_set_hash_opts(dev, cmd);
472 break;
473 default:
474 break;
475 }
476
477 return ret;
478}
479
480static int dpaa_get_ts_info(struct net_device *net_dev,
481 struct ethtool_ts_info *info)
482{
483 struct device *dev = net_dev->dev.parent;
484 struct device_node *mac_node = dev->of_node;
485 struct device_node *fman_node = NULL, *ptp_node = NULL;
486 struct platform_device *ptp_dev = NULL;
487 struct ptp_qoriq *ptp = NULL;
488
489 info->phc_index = -1;
490
491 fman_node = of_get_parent(mac_node);
492 if (fman_node)
493 ptp_node = of_parse_phandle(fman_node, "ptimer-handle", 0);
494
495 if (ptp_node)
496 ptp_dev = of_find_device_by_node(ptp_node);
497
498 if (ptp_dev)
499 ptp = platform_get_drvdata(ptp_dev);
500
501 if (ptp)
502 info->phc_index = ptp->phc_index;
503
504 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
505 SOF_TIMESTAMPING_RX_HARDWARE |
506 SOF_TIMESTAMPING_RAW_HARDWARE;
507 info->tx_types = (1 << HWTSTAMP_TX_OFF) |
508 (1 << HWTSTAMP_TX_ON);
509 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
510 (1 << HWTSTAMP_FILTER_ALL);
511
512 return 0;
513}
514
515static int dpaa_get_coalesce(struct net_device *dev,
516 struct ethtool_coalesce *c)
517{
518 struct qman_portal *portal;
519 u32 period;
520 u8 thresh;
521
522 portal = qman_get_affine_portal(smp_processor_id());
523 qman_portal_get_iperiod(portal, &period);
524 qman_dqrr_get_ithresh(portal, &thresh);
525
526 c->rx_coalesce_usecs = period;
527 c->rx_max_coalesced_frames = thresh;
528
529 return 0;
530}
531
532static int dpaa_set_coalesce(struct net_device *dev,
533 struct ethtool_coalesce *c)
534{
535 const cpumask_t *cpus = qman_affine_cpus();
536 bool needs_revert[NR_CPUS] = {false};
537 struct qman_portal *portal;
538 u32 period, prev_period;
539 u8 thresh, prev_thresh;
540 int cpu, res;
541
542 period = c->rx_coalesce_usecs;
543 thresh = c->rx_max_coalesced_frames;
544
545 /* save previous values */
546 portal = qman_get_affine_portal(smp_processor_id());
547 qman_portal_get_iperiod(portal, &prev_period);
548 qman_dqrr_get_ithresh(portal, &prev_thresh);
549
550 /* set new values */
551 for_each_cpu_and(cpu, cpus, cpu_online_mask) {
552 portal = qman_get_affine_portal(cpu);
553 res = qman_portal_set_iperiod(portal, period);
554 if (res)
555 goto revert_values;
556 res = qman_dqrr_set_ithresh(portal, thresh);
557 if (res) {
558 qman_portal_set_iperiod(portal, prev_period);
559 goto revert_values;
560 }
561 needs_revert[cpu] = true;
562 }
563
564 return 0;
565
566revert_values:
567 /* restore previous values */
568 for_each_cpu_and(cpu, cpus, cpu_online_mask) {
569 if (!needs_revert[cpu])
570 continue;
571 portal = qman_get_affine_portal(cpu);
572 /* previous values will not fail, ignore return value */
573 qman_portal_set_iperiod(portal, prev_period);
574 qman_dqrr_set_ithresh(portal, prev_thresh);
575 }
576
577 return res;
578}
579
580const struct ethtool_ops dpaa_ethtool_ops = {
581 .supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS |
582 ETHTOOL_COALESCE_RX_MAX_FRAMES,
583 .get_drvinfo = dpaa_get_drvinfo,
584 .get_msglevel = dpaa_get_msglevel,
585 .set_msglevel = dpaa_set_msglevel,
586 .nway_reset = dpaa_nway_reset,
587 .get_pauseparam = dpaa_get_pauseparam,
588 .set_pauseparam = dpaa_set_pauseparam,
589 .get_link = ethtool_op_get_link,
590 .get_sset_count = dpaa_get_sset_count,
591 .get_ethtool_stats = dpaa_get_ethtool_stats,
592 .get_strings = dpaa_get_strings,
593 .get_link_ksettings = dpaa_get_link_ksettings,
594 .set_link_ksettings = dpaa_set_link_ksettings,
595 .get_rxnfc = dpaa_get_rxnfc,
596 .set_rxnfc = dpaa_set_rxnfc,
597 .get_ts_info = dpaa_get_ts_info,
598 .get_coalesce = dpaa_get_coalesce,
599 .set_coalesce = dpaa_set_coalesce,
600};