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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
36#include "dpaa_eth.h"
37#include "mac.h"
38
39static const char dpaa_stats_percpu[][ETH_GSTRING_LEN] = {
40 "interrupts",
41 "rx packets",
42 "tx packets",
43 "tx confirm",
44 "tx S/G",
45 "tx error",
46 "rx error",
47};
48
49static char dpaa_stats_global[][ETH_GSTRING_LEN] = {
50 /* dpa rx errors */
51 "rx dma error",
52 "rx frame physical error",
53 "rx frame size error",
54 "rx header error",
55
56 /* demultiplexing errors */
57 "qman cg_tdrop",
58 "qman wred",
59 "qman error cond",
60 "qman early window",
61 "qman late window",
62 "qman fq tdrop",
63 "qman fq retired",
64 "qman orp disabled",
65
66 /* congestion related stats */
67 "congestion time (ms)",
68 "entered congestion",
69 "congested (0/1)"
70};
71
72#define DPAA_STATS_PERCPU_LEN ARRAY_SIZE(dpaa_stats_percpu)
73#define DPAA_STATS_GLOBAL_LEN ARRAY_SIZE(dpaa_stats_global)
74
75static int dpaa_get_link_ksettings(struct net_device *net_dev,
76 struct ethtool_link_ksettings *cmd)
77{
78 if (!net_dev->phydev) {
79 netdev_dbg(net_dev, "phy device not initialized\n");
80 return 0;
81 }
82
83 phy_ethtool_ksettings_get(net_dev->phydev, cmd);
84
85 return 0;
86}
87
88static int dpaa_set_link_ksettings(struct net_device *net_dev,
89 const struct ethtool_link_ksettings *cmd)
90{
91 int err;
92
93 if (!net_dev->phydev) {
94 netdev_err(net_dev, "phy device not initialized\n");
95 return -ENODEV;
96 }
97
98 err = phy_ethtool_ksettings_set(net_dev->phydev, cmd);
99 if (err < 0)
100 netdev_err(net_dev, "phy_ethtool_ksettings_set() = %d\n", err);
101
102 return err;
103}
104
105static void dpaa_get_drvinfo(struct net_device *net_dev,
106 struct ethtool_drvinfo *drvinfo)
107{
108 int len;
109
110 strlcpy(drvinfo->driver, KBUILD_MODNAME,
111 sizeof(drvinfo->driver));
112 len = snprintf(drvinfo->version, sizeof(drvinfo->version),
113 "%X", 0);
114 len = snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
115 "%X", 0);
116
117 if (len >= sizeof(drvinfo->fw_version)) {
118 /* Truncated output */
119 netdev_notice(net_dev, "snprintf() = %d\n", len);
120 }
121 strlcpy(drvinfo->bus_info, dev_name(net_dev->dev.parent->parent),
122 sizeof(drvinfo->bus_info));
123}
124
125static u32 dpaa_get_msglevel(struct net_device *net_dev)
126{
127 return ((struct dpaa_priv *)netdev_priv(net_dev))->msg_enable;
128}
129
130static void dpaa_set_msglevel(struct net_device *net_dev,
131 u32 msg_enable)
132{
133 ((struct dpaa_priv *)netdev_priv(net_dev))->msg_enable = msg_enable;
134}
135
136static int dpaa_nway_reset(struct net_device *net_dev)
137{
138 int err;
139
140 if (!net_dev->phydev) {
141 netdev_err(net_dev, "phy device not initialized\n");
142 return -ENODEV;
143 }
144
145 err = 0;
146 if (net_dev->phydev->autoneg) {
147 err = phy_start_aneg(net_dev->phydev);
148 if (err < 0)
149 netdev_err(net_dev, "phy_start_aneg() = %d\n",
150 err);
151 }
152
153 return err;
154}
155
156static void dpaa_get_pauseparam(struct net_device *net_dev,
157 struct ethtool_pauseparam *epause)
158{
159 struct mac_device *mac_dev;
160 struct dpaa_priv *priv;
161
162 priv = netdev_priv(net_dev);
163 mac_dev = priv->mac_dev;
164
165 if (!net_dev->phydev) {
166 netdev_err(net_dev, "phy device not initialized\n");
167 return;
168 }
169
170 epause->autoneg = mac_dev->autoneg_pause;
171 epause->rx_pause = mac_dev->rx_pause_active;
172 epause->tx_pause = mac_dev->tx_pause_active;
173}
174
175static int dpaa_set_pauseparam(struct net_device *net_dev,
176 struct ethtool_pauseparam *epause)
177{
178 struct mac_device *mac_dev;
179 struct phy_device *phydev;
180 bool rx_pause, tx_pause;
181 struct dpaa_priv *priv;
182 u32 newadv, oldadv;
183 int err;
184
185 priv = netdev_priv(net_dev);
186 mac_dev = priv->mac_dev;
187
188 phydev = net_dev->phydev;
189 if (!phydev) {
190 netdev_err(net_dev, "phy device not initialized\n");
191 return -ENODEV;
192 }
193
194 if (!(phydev->supported & SUPPORTED_Pause) ||
195 (!(phydev->supported & SUPPORTED_Asym_Pause) &&
196 (epause->rx_pause != epause->tx_pause)))
197 return -EINVAL;
198
199 /* The MAC should know how to handle PAUSE frame autonegotiation before
200 * adjust_link is triggered by a forced renegotiation of sym/asym PAUSE
201 * settings.
202 */
203 mac_dev->autoneg_pause = !!epause->autoneg;
204 mac_dev->rx_pause_req = !!epause->rx_pause;
205 mac_dev->tx_pause_req = !!epause->tx_pause;
206
207 /* Determine the sym/asym advertised PAUSE capabilities from the desired
208 * rx/tx pause settings.
209 */
210 newadv = 0;
211 if (epause->rx_pause)
212 newadv = ADVERTISED_Pause | ADVERTISED_Asym_Pause;
213 if (epause->tx_pause)
214 newadv ^= ADVERTISED_Asym_Pause;
215
216 oldadv = phydev->advertising &
217 (ADVERTISED_Pause | ADVERTISED_Asym_Pause);
218
219 /* If there are differences between the old and the new advertised
220 * values, restart PHY autonegotiation and advertise the new values.
221 */
222 if (oldadv != newadv) {
223 phydev->advertising &= ~(ADVERTISED_Pause
224 | ADVERTISED_Asym_Pause);
225 phydev->advertising |= newadv;
226 if (phydev->autoneg) {
227 err = phy_start_aneg(phydev);
228 if (err < 0)
229 netdev_err(net_dev, "phy_start_aneg() = %d\n",
230 err);
231 }
232 }
233
234 fman_get_pause_cfg(mac_dev, &rx_pause, &tx_pause);
235 err = fman_set_mac_active_pause(mac_dev, rx_pause, tx_pause);
236 if (err < 0)
237 netdev_err(net_dev, "set_mac_active_pause() = %d\n", err);
238
239 return err;
240}
241
242static int dpaa_get_sset_count(struct net_device *net_dev, int type)
243{
244 unsigned int total_stats, num_stats;
245
246 num_stats = num_online_cpus() + 1;
247 total_stats = num_stats * (DPAA_STATS_PERCPU_LEN + DPAA_BPS_NUM) +
248 DPAA_STATS_GLOBAL_LEN;
249
250 switch (type) {
251 case ETH_SS_STATS:
252 return total_stats;
253 default:
254 return -EOPNOTSUPP;
255 }
256}
257
258static void copy_stats(struct dpaa_percpu_priv *percpu_priv, int num_cpus,
259 int crr_cpu, u64 *bp_count, u64 *data)
260{
261 int num_values = num_cpus + 1;
262 int crr = 0, j;
263
264 /* update current CPU's stats and also add them to the total values */
265 data[crr * num_values + crr_cpu] = percpu_priv->in_interrupt;
266 data[crr++ * num_values + num_cpus] += percpu_priv->in_interrupt;
267
268 data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_packets;
269 data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_packets;
270
271 data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_packets;
272 data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_packets;
273
274 data[crr * num_values + crr_cpu] = percpu_priv->tx_confirm;
275 data[crr++ * num_values + num_cpus] += percpu_priv->tx_confirm;
276
277 data[crr * num_values + crr_cpu] = percpu_priv->tx_frag_skbuffs;
278 data[crr++ * num_values + num_cpus] += percpu_priv->tx_frag_skbuffs;
279
280 data[crr * num_values + crr_cpu] = percpu_priv->stats.tx_errors;
281 data[crr++ * num_values + num_cpus] += percpu_priv->stats.tx_errors;
282
283 data[crr * num_values + crr_cpu] = percpu_priv->stats.rx_errors;
284 data[crr++ * num_values + num_cpus] += percpu_priv->stats.rx_errors;
285
286 for (j = 0; j < DPAA_BPS_NUM; j++) {
287 data[crr * num_values + crr_cpu] = bp_count[j];
288 data[crr++ * num_values + num_cpus] += bp_count[j];
289 }
290}
291
292static void dpaa_get_ethtool_stats(struct net_device *net_dev,
293 struct ethtool_stats *stats, u64 *data)
294{
295 u64 bp_count[DPAA_BPS_NUM], cg_time, cg_num;
296 struct dpaa_percpu_priv *percpu_priv;
297 struct dpaa_rx_errors rx_errors;
298 unsigned int num_cpus, offset;
299 struct dpaa_ern_cnt ern_cnt;
300 struct dpaa_bp *dpaa_bp;
301 struct dpaa_priv *priv;
302 int total_stats, i, j;
303 bool cg_status;
304
305 total_stats = dpaa_get_sset_count(net_dev, ETH_SS_STATS);
306 priv = netdev_priv(net_dev);
307 num_cpus = num_online_cpus();
308
309 memset(&bp_count, 0, sizeof(bp_count));
310 memset(&rx_errors, 0, sizeof(struct dpaa_rx_errors));
311 memset(&ern_cnt, 0, sizeof(struct dpaa_ern_cnt));
312 memset(data, 0, total_stats * sizeof(u64));
313
314 for_each_online_cpu(i) {
315 percpu_priv = per_cpu_ptr(priv->percpu_priv, i);
316 for (j = 0; j < DPAA_BPS_NUM; j++) {
317 dpaa_bp = priv->dpaa_bps[j];
318 if (!dpaa_bp->percpu_count)
319 continue;
320 bp_count[j] = *(per_cpu_ptr(dpaa_bp->percpu_count, i));
321 }
322 rx_errors.dme += percpu_priv->rx_errors.dme;
323 rx_errors.fpe += percpu_priv->rx_errors.fpe;
324 rx_errors.fse += percpu_priv->rx_errors.fse;
325 rx_errors.phe += percpu_priv->rx_errors.phe;
326
327 ern_cnt.cg_tdrop += percpu_priv->ern_cnt.cg_tdrop;
328 ern_cnt.wred += percpu_priv->ern_cnt.wred;
329 ern_cnt.err_cond += percpu_priv->ern_cnt.err_cond;
330 ern_cnt.early_window += percpu_priv->ern_cnt.early_window;
331 ern_cnt.late_window += percpu_priv->ern_cnt.late_window;
332 ern_cnt.fq_tdrop += percpu_priv->ern_cnt.fq_tdrop;
333 ern_cnt.fq_retired += percpu_priv->ern_cnt.fq_retired;
334 ern_cnt.orp_zero += percpu_priv->ern_cnt.orp_zero;
335
336 copy_stats(percpu_priv, num_cpus, i, bp_count, data);
337 }
338
339 offset = (num_cpus + 1) * (DPAA_STATS_PERCPU_LEN + DPAA_BPS_NUM);
340 memcpy(data + offset, &rx_errors, sizeof(struct dpaa_rx_errors));
341
342 offset += sizeof(struct dpaa_rx_errors) / sizeof(u64);
343 memcpy(data + offset, &ern_cnt, sizeof(struct dpaa_ern_cnt));
344
345 /* gather congestion related counters */
346 cg_num = 0;
347 cg_status = false;
348 cg_time = jiffies_to_msecs(priv->cgr_data.congested_jiffies);
349 if (qman_query_cgr_congested(&priv->cgr_data.cgr, &cg_status) == 0) {
350 cg_num = priv->cgr_data.cgr_congested_count;
351
352 /* reset congestion stats (like QMan API does */
353 priv->cgr_data.congested_jiffies = 0;
354 priv->cgr_data.cgr_congested_count = 0;
355 }
356
357 offset += sizeof(struct dpaa_ern_cnt) / sizeof(u64);
358 data[offset++] = cg_time;
359 data[offset++] = cg_num;
360 data[offset++] = cg_status;
361}
362
363static void dpaa_get_strings(struct net_device *net_dev, u32 stringset,
364 u8 *data)
365{
366 unsigned int i, j, num_cpus, size;
367 char string_cpu[ETH_GSTRING_LEN];
368 u8 *strings;
369
370 memset(string_cpu, 0, sizeof(string_cpu));
371 strings = data;
372 num_cpus = num_online_cpus();
373 size = DPAA_STATS_GLOBAL_LEN * ETH_GSTRING_LEN;
374
375 for (i = 0; i < DPAA_STATS_PERCPU_LEN; i++) {
376 for (j = 0; j < num_cpus; j++) {
377 snprintf(string_cpu, ETH_GSTRING_LEN, "%s [CPU %d]",
378 dpaa_stats_percpu[i], j);
379 memcpy(strings, string_cpu, ETH_GSTRING_LEN);
380 strings += ETH_GSTRING_LEN;
381 }
382 snprintf(string_cpu, ETH_GSTRING_LEN, "%s [TOTAL]",
383 dpaa_stats_percpu[i]);
384 memcpy(strings, string_cpu, ETH_GSTRING_LEN);
385 strings += ETH_GSTRING_LEN;
386 }
387 for (i = 0; i < DPAA_BPS_NUM; i++) {
388 for (j = 0; j < num_cpus; j++) {
389 snprintf(string_cpu, ETH_GSTRING_LEN,
390 "bpool %c [CPU %d]", 'a' + i, j);
391 memcpy(strings, string_cpu, ETH_GSTRING_LEN);
392 strings += ETH_GSTRING_LEN;
393 }
394 snprintf(string_cpu, ETH_GSTRING_LEN, "bpool %c [TOTAL]",
395 'a' + i);
396 memcpy(strings, string_cpu, ETH_GSTRING_LEN);
397 strings += ETH_GSTRING_LEN;
398 }
399 memcpy(strings, dpaa_stats_global, size);
400}
401
402static int dpaa_get_hash_opts(struct net_device *dev,
403 struct ethtool_rxnfc *cmd)
404{
405 struct dpaa_priv *priv = netdev_priv(dev);
406
407 cmd->data = 0;
408
409 switch (cmd->flow_type) {
410 case TCP_V4_FLOW:
411 case TCP_V6_FLOW:
412 case UDP_V4_FLOW:
413 case UDP_V6_FLOW:
414 if (priv->keygen_in_use)
415 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
416 /* Fall through */
417 case IPV4_FLOW:
418 case IPV6_FLOW:
419 case SCTP_V4_FLOW:
420 case SCTP_V6_FLOW:
421 case AH_ESP_V4_FLOW:
422 case AH_ESP_V6_FLOW:
423 case AH_V4_FLOW:
424 case AH_V6_FLOW:
425 case ESP_V4_FLOW:
426 case ESP_V6_FLOW:
427 if (priv->keygen_in_use)
428 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
429 break;
430 default:
431 cmd->data = 0;
432 break;
433 }
434
435 return 0;
436}
437
438static int dpaa_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
439 u32 *unused)
440{
441 int ret = -EOPNOTSUPP;
442
443 switch (cmd->cmd) {
444 case ETHTOOL_GRXFH:
445 ret = dpaa_get_hash_opts(dev, cmd);
446 break;
447 default:
448 break;
449 }
450
451 return ret;
452}
453
454static void dpaa_set_hash(struct net_device *net_dev, bool enable)
455{
456 struct mac_device *mac_dev;
457 struct fman_port *rxport;
458 struct dpaa_priv *priv;
459
460 priv = netdev_priv(net_dev);
461 mac_dev = priv->mac_dev;
462 rxport = mac_dev->port[0];
463
464 fman_port_use_kg_hash(rxport, enable);
465 priv->keygen_in_use = enable;
466}
467
468static int dpaa_set_hash_opts(struct net_device *dev,
469 struct ethtool_rxnfc *nfc)
470{
471 int ret = -EINVAL;
472
473 /* we support hashing on IPv4/v6 src/dest IP and L4 src/dest port */
474 if (nfc->data &
475 ~(RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3))
476 return -EINVAL;
477
478 switch (nfc->flow_type) {
479 case TCP_V4_FLOW:
480 case TCP_V6_FLOW:
481 case UDP_V4_FLOW:
482 case UDP_V6_FLOW:
483 case IPV4_FLOW:
484 case IPV6_FLOW:
485 case SCTP_V4_FLOW:
486 case SCTP_V6_FLOW:
487 case AH_ESP_V4_FLOW:
488 case AH_ESP_V6_FLOW:
489 case AH_V4_FLOW:
490 case AH_V6_FLOW:
491 case ESP_V4_FLOW:
492 case ESP_V6_FLOW:
493 dpaa_set_hash(dev, !!nfc->data);
494 ret = 0;
495 break;
496 default:
497 break;
498 }
499
500 return ret;
501}
502
503static int dpaa_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
504{
505 int ret = -EOPNOTSUPP;
506
507 switch (cmd->cmd) {
508 case ETHTOOL_SRXFH:
509 ret = dpaa_set_hash_opts(dev, cmd);
510 break;
511 default:
512 break;
513 }
514
515 return ret;
516}
517
518const struct ethtool_ops dpaa_ethtool_ops = {
519 .get_drvinfo = dpaa_get_drvinfo,
520 .get_msglevel = dpaa_get_msglevel,
521 .set_msglevel = dpaa_set_msglevel,
522 .nway_reset = dpaa_nway_reset,
523 .get_pauseparam = dpaa_get_pauseparam,
524 .set_pauseparam = dpaa_set_pauseparam,
525 .get_link = ethtool_op_get_link,
526 .get_sset_count = dpaa_get_sset_count,
527 .get_ethtool_stats = dpaa_get_ethtool_stats,
528 .get_strings = dpaa_get_strings,
529 .get_link_ksettings = dpaa_get_link_ksettings,
530 .set_link_ksettings = dpaa_set_link_ksettings,
531 .get_rxnfc = dpaa_get_rxnfc,
532 .set_rxnfc = dpaa_set_rxnfc,
533};