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9#include <linux/version.h>
10#include <linux/types.h>
11#include <linux/netdevice.h>
12#include <linux/ethtool.h>
13#include <linux/string.h>
14#include <linux/pci.h>
15#include <linux/capability.h>
16#include "qede.h"
17
18#define QEDE_STAT_OFFSET(stat_name) (offsetof(struct qede_stats, stat_name))
19#define QEDE_STAT_STRING(stat_name) (#stat_name)
20#define _QEDE_STAT(stat_name, pf_only) \
21 {QEDE_STAT_OFFSET(stat_name), QEDE_STAT_STRING(stat_name), pf_only}
22#define QEDE_PF_STAT(stat_name) _QEDE_STAT(stat_name, true)
23#define QEDE_STAT(stat_name) _QEDE_STAT(stat_name, false)
24
25#define QEDE_RQSTAT_OFFSET(stat_name) \
26 (offsetof(struct qede_rx_queue, stat_name))
27#define QEDE_RQSTAT_STRING(stat_name) (#stat_name)
28#define QEDE_RQSTAT(stat_name) \
29 {QEDE_RQSTAT_OFFSET(stat_name), QEDE_RQSTAT_STRING(stat_name)}
30static const struct {
31 u64 offset;
32 char string[ETH_GSTRING_LEN];
33} qede_rqstats_arr[] = {
34 QEDE_RQSTAT(rx_hw_errors),
35 QEDE_RQSTAT(rx_alloc_errors),
36};
37
38#define QEDE_NUM_RQSTATS ARRAY_SIZE(qede_rqstats_arr)
39#define QEDE_RQSTATS_DATA(dev, sindex, rqindex) \
40 (*((u64 *)(((char *)(dev->fp_array[(rqindex)].rxq)) +\
41 qede_rqstats_arr[(sindex)].offset)))
42static const struct {
43 u64 offset;
44 char string[ETH_GSTRING_LEN];
45 bool pf_only;
46} qede_stats_arr[] = {
47 QEDE_STAT(rx_ucast_bytes),
48 QEDE_STAT(rx_mcast_bytes),
49 QEDE_STAT(rx_bcast_bytes),
50 QEDE_STAT(rx_ucast_pkts),
51 QEDE_STAT(rx_mcast_pkts),
52 QEDE_STAT(rx_bcast_pkts),
53
54 QEDE_STAT(tx_ucast_bytes),
55 QEDE_STAT(tx_mcast_bytes),
56 QEDE_STAT(tx_bcast_bytes),
57 QEDE_STAT(tx_ucast_pkts),
58 QEDE_STAT(tx_mcast_pkts),
59 QEDE_STAT(tx_bcast_pkts),
60
61 QEDE_PF_STAT(rx_64_byte_packets),
62 QEDE_PF_STAT(rx_127_byte_packets),
63 QEDE_PF_STAT(rx_255_byte_packets),
64 QEDE_PF_STAT(rx_511_byte_packets),
65 QEDE_PF_STAT(rx_1023_byte_packets),
66 QEDE_PF_STAT(rx_1518_byte_packets),
67 QEDE_PF_STAT(rx_1522_byte_packets),
68 QEDE_PF_STAT(rx_2047_byte_packets),
69 QEDE_PF_STAT(rx_4095_byte_packets),
70 QEDE_PF_STAT(rx_9216_byte_packets),
71 QEDE_PF_STAT(rx_16383_byte_packets),
72 QEDE_PF_STAT(tx_64_byte_packets),
73 QEDE_PF_STAT(tx_65_to_127_byte_packets),
74 QEDE_PF_STAT(tx_128_to_255_byte_packets),
75 QEDE_PF_STAT(tx_256_to_511_byte_packets),
76 QEDE_PF_STAT(tx_512_to_1023_byte_packets),
77 QEDE_PF_STAT(tx_1024_to_1518_byte_packets),
78 QEDE_PF_STAT(tx_1519_to_2047_byte_packets),
79 QEDE_PF_STAT(tx_2048_to_4095_byte_packets),
80 QEDE_PF_STAT(tx_4096_to_9216_byte_packets),
81 QEDE_PF_STAT(tx_9217_to_16383_byte_packets),
82
83 QEDE_PF_STAT(rx_mac_crtl_frames),
84 QEDE_PF_STAT(tx_mac_ctrl_frames),
85 QEDE_PF_STAT(rx_pause_frames),
86 QEDE_PF_STAT(tx_pause_frames),
87 QEDE_PF_STAT(rx_pfc_frames),
88 QEDE_PF_STAT(tx_pfc_frames),
89
90 QEDE_PF_STAT(rx_crc_errors),
91 QEDE_PF_STAT(rx_align_errors),
92 QEDE_PF_STAT(rx_carrier_errors),
93 QEDE_PF_STAT(rx_oversize_packets),
94 QEDE_PF_STAT(rx_jabbers),
95 QEDE_PF_STAT(rx_undersize_packets),
96 QEDE_PF_STAT(rx_fragments),
97 QEDE_PF_STAT(tx_lpi_entry_count),
98 QEDE_PF_STAT(tx_total_collisions),
99 QEDE_PF_STAT(brb_truncates),
100 QEDE_PF_STAT(brb_discards),
101 QEDE_STAT(no_buff_discards),
102 QEDE_PF_STAT(mftag_filter_discards),
103 QEDE_PF_STAT(mac_filter_discards),
104 QEDE_STAT(tx_err_drop_pkts),
105
106 QEDE_STAT(coalesced_pkts),
107 QEDE_STAT(coalesced_events),
108 QEDE_STAT(coalesced_aborts_num),
109 QEDE_STAT(non_coalesced_pkts),
110 QEDE_STAT(coalesced_bytes),
111};
112
113#define QEDE_STATS_DATA(dev, index) \
114 (*((u64 *)(((char *)(dev)) + offsetof(struct qede_dev, stats) \
115 + qede_stats_arr[(index)].offset)))
116
117#define QEDE_NUM_STATS ARRAY_SIZE(qede_stats_arr)
118
119static void qede_get_strings_stats(struct qede_dev *edev, u8 *buf)
120{
121 int i, j, k;
122
123 for (i = 0, j = 0; i < QEDE_NUM_STATS; i++) {
124 strcpy(buf + j * ETH_GSTRING_LEN,
125 qede_stats_arr[i].string);
126 j++;
127 }
128
129 for (k = 0; k < QEDE_NUM_RQSTATS; k++, j++)
130 strcpy(buf + j * ETH_GSTRING_LEN,
131 qede_rqstats_arr[k].string);
132}
133
134static void qede_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
135{
136 struct qede_dev *edev = netdev_priv(dev);
137
138 switch (stringset) {
139 case ETH_SS_STATS:
140 qede_get_strings_stats(edev, buf);
141 break;
142 default:
143 DP_VERBOSE(edev, QED_MSG_DEBUG,
144 "Unsupported stringset 0x%08x\n", stringset);
145 }
146}
147
148static void qede_get_ethtool_stats(struct net_device *dev,
149 struct ethtool_stats *stats, u64 *buf)
150{
151 struct qede_dev *edev = netdev_priv(dev);
152 int sidx, cnt = 0;
153 int qid;
154
155 qede_fill_by_demand_stats(edev);
156
157 mutex_lock(&edev->qede_lock);
158
159 for (sidx = 0; sidx < QEDE_NUM_STATS; sidx++)
160 buf[cnt++] = QEDE_STATS_DATA(edev, sidx);
161
162 for (sidx = 0; sidx < QEDE_NUM_RQSTATS; sidx++) {
163 buf[cnt] = 0;
164 for (qid = 0; qid < edev->num_rss; qid++)
165 buf[cnt] += QEDE_RQSTATS_DATA(edev, sidx, qid);
166 cnt++;
167 }
168
169 mutex_unlock(&edev->qede_lock);
170}
171
172static int qede_get_sset_count(struct net_device *dev, int stringset)
173{
174 struct qede_dev *edev = netdev_priv(dev);
175 int num_stats = QEDE_NUM_STATS;
176
177 switch (stringset) {
178 case ETH_SS_STATS:
179 return num_stats + QEDE_NUM_RQSTATS;
180
181 default:
182 DP_VERBOSE(edev, QED_MSG_DEBUG,
183 "Unsupported stringset 0x%08x\n", stringset);
184 return -EINVAL;
185 }
186}
187
188static int qede_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
189{
190 struct qede_dev *edev = netdev_priv(dev);
191 struct qed_link_output current_link;
192
193 memset(¤t_link, 0, sizeof(current_link));
194 edev->ops->common->get_link(edev->cdev, ¤t_link);
195
196 cmd->supported = current_link.supported_caps;
197 cmd->advertising = current_link.advertised_caps;
198 if ((edev->state == QEDE_STATE_OPEN) && (current_link.link_up)) {
199 ethtool_cmd_speed_set(cmd, current_link.speed);
200 cmd->duplex = current_link.duplex;
201 } else {
202 cmd->duplex = DUPLEX_UNKNOWN;
203 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
204 }
205 cmd->port = current_link.port;
206 cmd->autoneg = (current_link.autoneg) ? AUTONEG_ENABLE :
207 AUTONEG_DISABLE;
208 cmd->lp_advertising = current_link.lp_caps;
209
210 return 0;
211}
212
213static int qede_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
214{
215 struct qede_dev *edev = netdev_priv(dev);
216 struct qed_link_output current_link;
217 struct qed_link_params params;
218 u32 speed;
219
220 if (edev->dev_info.common.is_mf) {
221 DP_INFO(edev,
222 "Link parameters can not be changed in MF mode\n");
223 return -EOPNOTSUPP;
224 }
225
226 memset(¤t_link, 0, sizeof(current_link));
227 memset(¶ms, 0, sizeof(params));
228 edev->ops->common->get_link(edev->cdev, ¤t_link);
229
230 speed = ethtool_cmd_speed(cmd);
231 params.override_flags |= QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS;
232 params.override_flags |= QED_LINK_OVERRIDE_SPEED_AUTONEG;
233 if (cmd->autoneg == AUTONEG_ENABLE) {
234 params.autoneg = true;
235 params.forced_speed = 0;
236 params.adv_speeds = cmd->advertising;
237 } else {
238 params.override_flags |= QED_LINK_OVERRIDE_SPEED_FORCED_SPEED;
239 params.autoneg = false;
240 params.forced_speed = speed;
241 switch (speed) {
242 case SPEED_10000:
243 if (!(current_link.supported_caps &
244 SUPPORTED_10000baseKR_Full)) {
245 DP_INFO(edev, "10G speed not supported\n");
246 return -EINVAL;
247 }
248 params.adv_speeds = SUPPORTED_10000baseKR_Full;
249 break;
250 case SPEED_40000:
251 if (!(current_link.supported_caps &
252 SUPPORTED_40000baseLR4_Full)) {
253 DP_INFO(edev, "40G speed not supported\n");
254 return -EINVAL;
255 }
256 params.adv_speeds = SUPPORTED_40000baseLR4_Full;
257 break;
258 default:
259 DP_INFO(edev, "Unsupported speed %u\n", speed);
260 return -EINVAL;
261 }
262 }
263
264 params.link_up = true;
265 edev->ops->common->set_link(edev->cdev, ¶ms);
266
267 return 0;
268}
269
270static void qede_get_drvinfo(struct net_device *ndev,
271 struct ethtool_drvinfo *info)
272{
273 char mfw[ETHTOOL_FWVERS_LEN], storm[ETHTOOL_FWVERS_LEN];
274 struct qede_dev *edev = netdev_priv(ndev);
275
276 strlcpy(info->driver, "qede", sizeof(info->driver));
277 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
278
279 snprintf(storm, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d",
280 edev->dev_info.common.fw_major,
281 edev->dev_info.common.fw_minor,
282 edev->dev_info.common.fw_rev,
283 edev->dev_info.common.fw_eng);
284
285 snprintf(mfw, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d",
286 (edev->dev_info.common.mfw_rev >> 24) & 0xFF,
287 (edev->dev_info.common.mfw_rev >> 16) & 0xFF,
288 (edev->dev_info.common.mfw_rev >> 8) & 0xFF,
289 edev->dev_info.common.mfw_rev & 0xFF);
290
291 if ((strlen(storm) + strlen(mfw) + strlen("mfw storm ")) <
292 sizeof(info->fw_version)) {
293 snprintf(info->fw_version, sizeof(info->fw_version),
294 "mfw %s storm %s", mfw, storm);
295 } else {
296 snprintf(info->fw_version, sizeof(info->fw_version),
297 "%s %s", mfw, storm);
298 }
299
300 strlcpy(info->bus_info, pci_name(edev->pdev), sizeof(info->bus_info));
301}
302
303static u32 qede_get_msglevel(struct net_device *ndev)
304{
305 struct qede_dev *edev = netdev_priv(ndev);
306
307 return ((u32)edev->dp_level << QED_LOG_LEVEL_SHIFT) |
308 edev->dp_module;
309}
310
311static void qede_set_msglevel(struct net_device *ndev, u32 level)
312{
313 struct qede_dev *edev = netdev_priv(ndev);
314 u32 dp_module = 0;
315 u8 dp_level = 0;
316
317 qede_config_debug(level, &dp_module, &dp_level);
318
319 edev->dp_level = dp_level;
320 edev->dp_module = dp_module;
321 edev->ops->common->update_msglvl(edev->cdev,
322 dp_module, dp_level);
323}
324
325static u32 qede_get_link(struct net_device *dev)
326{
327 struct qede_dev *edev = netdev_priv(dev);
328 struct qed_link_output current_link;
329
330 memset(¤t_link, 0, sizeof(current_link));
331 edev->ops->common->get_link(edev->cdev, ¤t_link);
332
333 return current_link.link_up;
334}
335
336static void qede_update_mtu(struct qede_dev *edev, union qede_reload_args *args)
337{
338 edev->ndev->mtu = args->mtu;
339}
340
341
342#define ETH_MAX_JUMBO_PACKET_SIZE 9600
343#define ETH_MIN_PACKET_SIZE 60
344int qede_change_mtu(struct net_device *ndev, int new_mtu)
345{
346 struct qede_dev *edev = netdev_priv(ndev);
347 union qede_reload_args args;
348
349 if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) ||
350 ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE)) {
351 DP_ERR(edev, "Can't support requested MTU size\n");
352 return -EINVAL;
353 }
354
355 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN),
356 "Configuring MTU size of %d\n", new_mtu);
357
358
359 args.mtu = new_mtu;
360
361 if (netif_running(edev->ndev))
362 qede_reload(edev, &qede_update_mtu, &args);
363
364 qede_update_mtu(edev, &args);
365
366 return 0;
367}
368
369static const struct ethtool_ops qede_ethtool_ops = {
370 .get_settings = qede_get_settings,
371 .set_settings = qede_set_settings,
372 .get_drvinfo = qede_get_drvinfo,
373 .get_msglevel = qede_get_msglevel,
374 .set_msglevel = qede_set_msglevel,
375 .get_link = qede_get_link,
376 .get_strings = qede_get_strings,
377 .get_ethtool_stats = qede_get_ethtool_stats,
378 .get_sset_count = qede_get_sset_count,
379
380};
381
382void qede_set_ethtool_ops(struct net_device *dev)
383{
384 dev->ethtool_ops = &qede_ethtool_ops;
385}
386
