1 | // SPDX-License-Identifier: GPL-2.0 |
2 | #define pr_fmt(fmt) "bcmasp_ethtool: " fmt |
3 | |
4 | #include <asm-generic/unaligned.h> |
5 | #include <linux/ethtool.h> |
6 | #include <linux/netdevice.h> |
7 | #include <linux/platform_device.h> |
8 | |
9 | #include "bcmasp.h" |
10 | #include "bcmasp_intf_defs.h" |
11 | |
12 | enum bcmasp_stat_type { |
13 | BCMASP_STAT_RX_EDPKT, |
14 | BCMASP_STAT_RX_CTRL, |
15 | BCMASP_STAT_RX_CTRL_PER_INTF, |
16 | BCMASP_STAT_SOFT, |
17 | }; |
18 | |
19 | struct bcmasp_stats { |
20 | char stat_string[ETH_GSTRING_LEN]; |
21 | enum bcmasp_stat_type type; |
22 | u32 reg_offset; |
23 | }; |
24 | |
25 | #define STAT_BCMASP_SOFT_MIB(str) { \ |
26 | .stat_string = str, \ |
27 | .type = BCMASP_STAT_SOFT, \ |
28 | } |
29 | |
30 | #define STAT_BCMASP_OFFSET(str, _type, offset) { \ |
31 | .stat_string = str, \ |
32 | .type = _type, \ |
33 | .reg_offset = offset, \ |
34 | } |
35 | |
36 | #define STAT_BCMASP_RX_EDPKT(str, offset) \ |
37 | STAT_BCMASP_OFFSET(str, BCMASP_STAT_RX_EDPKT, offset) |
38 | #define STAT_BCMASP_RX_CTRL(str, offset) \ |
39 | STAT_BCMASP_OFFSET(str, BCMASP_STAT_RX_CTRL, offset) |
40 | #define STAT_BCMASP_RX_CTRL_PER_INTF(str, offset) \ |
41 | STAT_BCMASP_OFFSET(str, BCMASP_STAT_RX_CTRL_PER_INTF, offset) |
42 | |
43 | /* Must match the order of struct bcmasp_mib_counters */ |
44 | static const struct bcmasp_stats bcmasp_gstrings_stats[] = { |
45 | /* EDPKT counters */ |
46 | STAT_BCMASP_RX_EDPKT("RX Time Stamp" , ASP_EDPKT_RX_TS_COUNTER), |
47 | STAT_BCMASP_RX_EDPKT("RX PKT Count" , ASP_EDPKT_RX_PKT_CNT), |
48 | STAT_BCMASP_RX_EDPKT("RX PKT Buffered" , ASP_EDPKT_HDR_EXTR_CNT), |
49 | STAT_BCMASP_RX_EDPKT("RX PKT Pushed to DRAM" , ASP_EDPKT_HDR_OUT_CNT), |
50 | /* ASP RX control */ |
51 | STAT_BCMASP_RX_CTRL_PER_INTF("Frames From Unimac" , |
52 | ASP_RX_CTRL_UMAC_0_FRAME_COUNT), |
53 | STAT_BCMASP_RX_CTRL_PER_INTF("Frames From Port" , |
54 | ASP_RX_CTRL_FB_0_FRAME_COUNT), |
55 | STAT_BCMASP_RX_CTRL_PER_INTF("RX Buffer FIFO Depth" , |
56 | ASP_RX_CTRL_FB_RX_FIFO_DEPTH), |
57 | STAT_BCMASP_RX_CTRL("Frames Out(Buffer)" , |
58 | ASP_RX_CTRL_FB_OUT_FRAME_COUNT), |
59 | STAT_BCMASP_RX_CTRL("Frames Out(Filters)" , |
60 | ASP_RX_CTRL_FB_FILT_OUT_FRAME_COUNT), |
61 | /* Software maintained statistics */ |
62 | STAT_BCMASP_SOFT_MIB("RX SKB Alloc Failed" ), |
63 | STAT_BCMASP_SOFT_MIB("TX DMA Failed" ), |
64 | STAT_BCMASP_SOFT_MIB("Multicast Filters Full" ), |
65 | STAT_BCMASP_SOFT_MIB("Unicast Filters Full" ), |
66 | STAT_BCMASP_SOFT_MIB("MDA Filters Combined" ), |
67 | STAT_BCMASP_SOFT_MIB("Promisc Filter Set" ), |
68 | STAT_BCMASP_SOFT_MIB("TX Realloc For Offload Failed" ), |
69 | STAT_BCMASP_SOFT_MIB("Tx Timeout Count" ), |
70 | }; |
71 | |
72 | #define BCMASP_STATS_LEN ARRAY_SIZE(bcmasp_gstrings_stats) |
73 | |
74 | static u16 bcmasp_stat_fixup_offset(struct bcmasp_intf *intf, |
75 | const struct bcmasp_stats *s) |
76 | { |
77 | struct bcmasp_priv *priv = intf->parent; |
78 | |
79 | if (!strcmp("Frames Out(Buffer)" , s->stat_string)) |
80 | return priv->hw_info->rx_ctrl_fb_out_frame_count; |
81 | |
82 | if (!strcmp("Frames Out(Filters)" , s->stat_string)) |
83 | return priv->hw_info->rx_ctrl_fb_filt_out_frame_count; |
84 | |
85 | if (!strcmp("RX Buffer FIFO Depth" , s->stat_string)) |
86 | return priv->hw_info->rx_ctrl_fb_rx_fifo_depth; |
87 | |
88 | return s->reg_offset; |
89 | } |
90 | |
91 | static int bcmasp_get_sset_count(struct net_device *dev, int string_set) |
92 | { |
93 | switch (string_set) { |
94 | case ETH_SS_STATS: |
95 | return BCMASP_STATS_LEN; |
96 | default: |
97 | return -EOPNOTSUPP; |
98 | } |
99 | } |
100 | |
101 | static void bcmasp_get_strings(struct net_device *dev, u32 stringset, |
102 | u8 *data) |
103 | { |
104 | unsigned int i; |
105 | |
106 | switch (stringset) { |
107 | case ETH_SS_STATS: |
108 | for (i = 0; i < BCMASP_STATS_LEN; i++) { |
109 | memcpy(data + i * ETH_GSTRING_LEN, |
110 | bcmasp_gstrings_stats[i].stat_string, |
111 | ETH_GSTRING_LEN); |
112 | } |
113 | break; |
114 | default: |
115 | return; |
116 | } |
117 | } |
118 | |
119 | static void bcmasp_update_mib_counters(struct bcmasp_intf *intf) |
120 | { |
121 | unsigned int i; |
122 | |
123 | for (i = 0; i < BCMASP_STATS_LEN; i++) { |
124 | const struct bcmasp_stats *s; |
125 | u32 offset, val; |
126 | char *p; |
127 | |
128 | s = &bcmasp_gstrings_stats[i]; |
129 | offset = bcmasp_stat_fixup_offset(intf, s); |
130 | switch (s->type) { |
131 | case BCMASP_STAT_SOFT: |
132 | continue; |
133 | case BCMASP_STAT_RX_EDPKT: |
134 | val = rx_edpkt_core_rl(priv: intf->parent, off: offset); |
135 | break; |
136 | case BCMASP_STAT_RX_CTRL: |
137 | val = rx_ctrl_core_rl(priv: intf->parent, off: offset); |
138 | break; |
139 | case BCMASP_STAT_RX_CTRL_PER_INTF: |
140 | offset += sizeof(u32) * intf->port; |
141 | val = rx_ctrl_core_rl(priv: intf->parent, off: offset); |
142 | break; |
143 | default: |
144 | continue; |
145 | } |
146 | p = (char *)(&intf->mib) + (i * sizeof(u32)); |
147 | put_unaligned(val, (u32 *)p); |
148 | } |
149 | } |
150 | |
151 | static void bcmasp_get_ethtool_stats(struct net_device *dev, |
152 | struct ethtool_stats *stats, |
153 | u64 *data) |
154 | { |
155 | struct bcmasp_intf *intf = netdev_priv(dev); |
156 | unsigned int i; |
157 | char *p; |
158 | |
159 | if (netif_running(dev)) |
160 | bcmasp_update_mib_counters(intf); |
161 | |
162 | for (i = 0; i < BCMASP_STATS_LEN; i++) { |
163 | p = (char *)(&intf->mib) + (i * sizeof(u32)); |
164 | data[i] = *(u32 *)p; |
165 | } |
166 | } |
167 | |
168 | static void bcmasp_get_drvinfo(struct net_device *dev, |
169 | struct ethtool_drvinfo *info) |
170 | { |
171 | strscpy(info->driver, "bcmasp" , sizeof(info->driver)); |
172 | strscpy(info->bus_info, dev_name(dev->dev.parent), |
173 | sizeof(info->bus_info)); |
174 | } |
175 | |
176 | static u32 bcmasp_get_msglevel(struct net_device *dev) |
177 | { |
178 | struct bcmasp_intf *intf = netdev_priv(dev); |
179 | |
180 | return intf->msg_enable; |
181 | } |
182 | |
183 | static void bcmasp_set_msglevel(struct net_device *dev, u32 level) |
184 | { |
185 | struct bcmasp_intf *intf = netdev_priv(dev); |
186 | |
187 | intf->msg_enable = level; |
188 | } |
189 | |
190 | #define BCMASP_SUPPORTED_WAKE (WAKE_MAGIC | WAKE_MAGICSECURE | WAKE_FILTER) |
191 | static void bcmasp_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
192 | { |
193 | struct bcmasp_intf *intf = netdev_priv(dev); |
194 | |
195 | wol->supported = BCMASP_SUPPORTED_WAKE; |
196 | wol->wolopts = intf->wolopts; |
197 | memset(wol->sopass, 0, sizeof(wol->sopass)); |
198 | |
199 | if (wol->wolopts & WAKE_MAGICSECURE) |
200 | memcpy(wol->sopass, intf->sopass, sizeof(intf->sopass)); |
201 | } |
202 | |
203 | static int bcmasp_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) |
204 | { |
205 | struct bcmasp_intf *intf = netdev_priv(dev); |
206 | struct bcmasp_priv *priv = intf->parent; |
207 | struct device *kdev = &priv->pdev->dev; |
208 | |
209 | if (!device_can_wakeup(dev: kdev)) |
210 | return -EOPNOTSUPP; |
211 | |
212 | /* Interface Specific */ |
213 | intf->wolopts = wol->wolopts; |
214 | if (intf->wolopts & WAKE_MAGICSECURE) |
215 | memcpy(intf->sopass, wol->sopass, sizeof(wol->sopass)); |
216 | |
217 | mutex_lock(&priv->wol_lock); |
218 | priv->enable_wol(intf, !!intf->wolopts); |
219 | mutex_unlock(lock: &priv->wol_lock); |
220 | |
221 | return 0; |
222 | } |
223 | |
224 | static int bcmasp_flow_insert(struct net_device *dev, struct ethtool_rxnfc *cmd) |
225 | { |
226 | struct bcmasp_intf *intf = netdev_priv(dev); |
227 | struct bcmasp_net_filter *nfilter; |
228 | u32 loc = cmd->fs.location; |
229 | bool wake = false; |
230 | |
231 | if (cmd->fs.ring_cookie == RX_CLS_FLOW_WAKE) |
232 | wake = true; |
233 | |
234 | /* Currently only supports WAKE filters */ |
235 | if (!wake) |
236 | return -EOPNOTSUPP; |
237 | |
238 | switch (cmd->fs.flow_type & ~(FLOW_EXT | FLOW_MAC_EXT)) { |
239 | case ETHER_FLOW: |
240 | case IP_USER_FLOW: |
241 | case TCP_V4_FLOW: |
242 | case UDP_V4_FLOW: |
243 | case TCP_V6_FLOW: |
244 | case UDP_V6_FLOW: |
245 | break; |
246 | default: |
247 | return -EOPNOTSUPP; |
248 | } |
249 | |
250 | /* Check if filter already exists */ |
251 | if (bcmasp_netfilt_check_dup(intf, fs: &cmd->fs)) |
252 | return -EINVAL; |
253 | |
254 | nfilter = bcmasp_netfilt_get_init(intf, loc, wake_filter: wake, init: true); |
255 | if (IS_ERR(ptr: nfilter)) |
256 | return PTR_ERR(ptr: nfilter); |
257 | |
258 | /* Return the location where we did insert the filter */ |
259 | cmd->fs.location = nfilter->hw_index; |
260 | memcpy(&nfilter->fs, &cmd->fs, sizeof(struct ethtool_rx_flow_spec)); |
261 | |
262 | /* Since we only support wake filters, defer register programming till |
263 | * suspend time. |
264 | */ |
265 | return 0; |
266 | } |
267 | |
268 | static int bcmasp_flow_delete(struct net_device *dev, struct ethtool_rxnfc *cmd) |
269 | { |
270 | struct bcmasp_intf *intf = netdev_priv(dev); |
271 | struct bcmasp_net_filter *nfilter; |
272 | |
273 | nfilter = bcmasp_netfilt_get_init(intf, loc: cmd->fs.location, wake_filter: false, init: false); |
274 | if (IS_ERR(ptr: nfilter)) |
275 | return PTR_ERR(ptr: nfilter); |
276 | |
277 | bcmasp_netfilt_release(intf, nfilt: nfilter); |
278 | |
279 | return 0; |
280 | } |
281 | |
282 | static int bcmasp_flow_get(struct bcmasp_intf *intf, struct ethtool_rxnfc *cmd) |
283 | { |
284 | struct bcmasp_net_filter *nfilter; |
285 | |
286 | nfilter = bcmasp_netfilt_get_init(intf, loc: cmd->fs.location, wake_filter: false, init: false); |
287 | if (IS_ERR(ptr: nfilter)) |
288 | return PTR_ERR(ptr: nfilter); |
289 | |
290 | memcpy(&cmd->fs, &nfilter->fs, sizeof(nfilter->fs)); |
291 | |
292 | cmd->data = NUM_NET_FILTERS; |
293 | |
294 | return 0; |
295 | } |
296 | |
297 | static int bcmasp_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) |
298 | { |
299 | struct bcmasp_intf *intf = netdev_priv(dev); |
300 | int ret = -EOPNOTSUPP; |
301 | |
302 | mutex_lock(&intf->parent->net_lock); |
303 | |
304 | switch (cmd->cmd) { |
305 | case ETHTOOL_SRXCLSRLINS: |
306 | ret = bcmasp_flow_insert(dev, cmd); |
307 | break; |
308 | case ETHTOOL_SRXCLSRLDEL: |
309 | ret = bcmasp_flow_delete(dev, cmd); |
310 | break; |
311 | default: |
312 | break; |
313 | } |
314 | |
315 | mutex_unlock(lock: &intf->parent->net_lock); |
316 | |
317 | return ret; |
318 | } |
319 | |
320 | static int bcmasp_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd, |
321 | u32 *rule_locs) |
322 | { |
323 | struct bcmasp_intf *intf = netdev_priv(dev); |
324 | int err = 0; |
325 | |
326 | mutex_lock(&intf->parent->net_lock); |
327 | |
328 | switch (cmd->cmd) { |
329 | case ETHTOOL_GRXCLSRLCNT: |
330 | cmd->rule_cnt = bcmasp_netfilt_get_active(intf); |
331 | /* We support specifying rule locations */ |
332 | cmd->data |= RX_CLS_LOC_SPECIAL; |
333 | break; |
334 | case ETHTOOL_GRXCLSRULE: |
335 | err = bcmasp_flow_get(intf, cmd); |
336 | break; |
337 | case ETHTOOL_GRXCLSRLALL: |
338 | err = bcmasp_netfilt_get_all_active(intf, rule_locs, rule_cnt: &cmd->rule_cnt); |
339 | cmd->data = NUM_NET_FILTERS; |
340 | break; |
341 | default: |
342 | err = -EOPNOTSUPP; |
343 | break; |
344 | } |
345 | |
346 | mutex_unlock(lock: &intf->parent->net_lock); |
347 | |
348 | return err; |
349 | } |
350 | |
351 | void bcmasp_eee_enable_set(struct bcmasp_intf *intf, bool enable) |
352 | { |
353 | u32 reg; |
354 | |
355 | reg = umac_rl(intf, UMC_EEE_CTRL); |
356 | if (enable) |
357 | reg |= EEE_EN; |
358 | else |
359 | reg &= ~EEE_EN; |
360 | umac_wl(intf, val: reg, UMC_EEE_CTRL); |
361 | |
362 | intf->eee.eee_enabled = enable; |
363 | } |
364 | |
365 | static int bcmasp_get_eee(struct net_device *dev, struct ethtool_keee *e) |
366 | { |
367 | struct bcmasp_intf *intf = netdev_priv(dev); |
368 | struct ethtool_keee *p = &intf->eee; |
369 | |
370 | if (!dev->phydev) |
371 | return -ENODEV; |
372 | |
373 | e->tx_lpi_enabled = p->tx_lpi_enabled; |
374 | e->tx_lpi_timer = umac_rl(intf, UMC_EEE_LPI_TIMER); |
375 | |
376 | return phy_ethtool_get_eee(phydev: dev->phydev, data: e); |
377 | } |
378 | |
379 | static int bcmasp_set_eee(struct net_device *dev, struct ethtool_keee *e) |
380 | { |
381 | struct bcmasp_intf *intf = netdev_priv(dev); |
382 | struct ethtool_keee *p = &intf->eee; |
383 | int ret; |
384 | |
385 | if (!dev->phydev) |
386 | return -ENODEV; |
387 | |
388 | if (!p->eee_enabled) { |
389 | bcmasp_eee_enable_set(intf, enable: false); |
390 | } else { |
391 | ret = phy_init_eee(phydev: dev->phydev, clk_stop_enable: 0); |
392 | if (ret) { |
393 | netif_err(intf, hw, dev, |
394 | "EEE initialization failed: %d\n" , ret); |
395 | return ret; |
396 | } |
397 | |
398 | umac_wl(intf, val: e->tx_lpi_timer, UMC_EEE_LPI_TIMER); |
399 | intf->eee.tx_lpi_enabled = e->tx_lpi_enabled; |
400 | bcmasp_eee_enable_set(intf, enable: true); |
401 | } |
402 | |
403 | return phy_ethtool_set_eee(phydev: dev->phydev, data: e); |
404 | } |
405 | |
406 | static void bcmasp_get_eth_mac_stats(struct net_device *dev, |
407 | struct ethtool_eth_mac_stats *mac_stats) |
408 | { |
409 | struct bcmasp_intf *intf = netdev_priv(dev); |
410 | |
411 | mac_stats->FramesTransmittedOK = umac_rl(intf, UMC_GTPOK); |
412 | mac_stats->SingleCollisionFrames = umac_rl(intf, UMC_GTSCL); |
413 | mac_stats->MultipleCollisionFrames = umac_rl(intf, UMC_GTMCL); |
414 | mac_stats->FramesReceivedOK = umac_rl(intf, UMC_GRPOK); |
415 | mac_stats->FrameCheckSequenceErrors = umac_rl(intf, UMC_GRFCS); |
416 | mac_stats->AlignmentErrors = umac_rl(intf, UMC_GRALN); |
417 | mac_stats->OctetsTransmittedOK = umac_rl(intf, UMC_GTBYT); |
418 | mac_stats->FramesWithDeferredXmissions = umac_rl(intf, UMC_GTDRF); |
419 | mac_stats->LateCollisions = umac_rl(intf, UMC_GTLCL); |
420 | mac_stats->FramesAbortedDueToXSColls = umac_rl(intf, UMC_GTXCL); |
421 | mac_stats->OctetsReceivedOK = umac_rl(intf, UMC_GRBYT); |
422 | mac_stats->MulticastFramesXmittedOK = umac_rl(intf, UMC_GTMCA); |
423 | mac_stats->BroadcastFramesXmittedOK = umac_rl(intf, UMC_GTBCA); |
424 | mac_stats->FramesWithExcessiveDeferral = umac_rl(intf, UMC_GTEDF); |
425 | mac_stats->MulticastFramesReceivedOK = umac_rl(intf, UMC_GRMCA); |
426 | mac_stats->BroadcastFramesReceivedOK = umac_rl(intf, UMC_GRBCA); |
427 | } |
428 | |
429 | static const struct ethtool_rmon_hist_range bcmasp_rmon_ranges[] = { |
430 | { 0, 64}, |
431 | { 65, 127}, |
432 | { 128, 255}, |
433 | { 256, 511}, |
434 | { 512, 1023}, |
435 | { 1024, 1518}, |
436 | { 1519, 1522}, |
437 | {} |
438 | }; |
439 | |
440 | static void bcmasp_get_rmon_stats(struct net_device *dev, |
441 | struct ethtool_rmon_stats *rmon_stats, |
442 | const struct ethtool_rmon_hist_range **ranges) |
443 | { |
444 | struct bcmasp_intf *intf = netdev_priv(dev); |
445 | |
446 | *ranges = bcmasp_rmon_ranges; |
447 | |
448 | rmon_stats->undersize_pkts = umac_rl(intf, UMC_RRUND); |
449 | rmon_stats->oversize_pkts = umac_rl(intf, UMC_GROVR); |
450 | rmon_stats->fragments = umac_rl(intf, UMC_RRFRG); |
451 | rmon_stats->jabbers = umac_rl(intf, UMC_GRJBR); |
452 | |
453 | rmon_stats->hist[0] = umac_rl(intf, UMC_GR64); |
454 | rmon_stats->hist[1] = umac_rl(intf, UMC_GR127); |
455 | rmon_stats->hist[2] = umac_rl(intf, UMC_GR255); |
456 | rmon_stats->hist[3] = umac_rl(intf, UMC_GR511); |
457 | rmon_stats->hist[4] = umac_rl(intf, UMC_GR1023); |
458 | rmon_stats->hist[5] = umac_rl(intf, UMC_GR1518); |
459 | rmon_stats->hist[6] = umac_rl(intf, UMC_GRMGV); |
460 | |
461 | rmon_stats->hist_tx[0] = umac_rl(intf, UMC_TR64); |
462 | rmon_stats->hist_tx[1] = umac_rl(intf, UMC_TR127); |
463 | rmon_stats->hist_tx[2] = umac_rl(intf, UMC_TR255); |
464 | rmon_stats->hist_tx[3] = umac_rl(intf, UMC_TR511); |
465 | rmon_stats->hist_tx[4] = umac_rl(intf, UMC_TR1023); |
466 | rmon_stats->hist_tx[5] = umac_rl(intf, UMC_TR1518); |
467 | rmon_stats->hist_tx[6] = umac_rl(intf, UMC_TRMGV); |
468 | } |
469 | |
470 | static void bcmasp_get_eth_ctrl_stats(struct net_device *dev, |
471 | struct ethtool_eth_ctrl_stats *ctrl_stats) |
472 | { |
473 | struct bcmasp_intf *intf = netdev_priv(dev); |
474 | |
475 | ctrl_stats->MACControlFramesTransmitted = umac_rl(intf, UMC_GTXCF); |
476 | ctrl_stats->MACControlFramesReceived = umac_rl(intf, UMC_GRXCF); |
477 | ctrl_stats->UnsupportedOpcodesReceived = umac_rl(intf, UMC_GRXUO); |
478 | } |
479 | |
480 | const struct ethtool_ops bcmasp_ethtool_ops = { |
481 | .get_drvinfo = bcmasp_get_drvinfo, |
482 | .get_link = ethtool_op_get_link, |
483 | .get_link_ksettings = phy_ethtool_get_link_ksettings, |
484 | .set_link_ksettings = phy_ethtool_set_link_ksettings, |
485 | .get_msglevel = bcmasp_get_msglevel, |
486 | .set_msglevel = bcmasp_set_msglevel, |
487 | .get_wol = bcmasp_get_wol, |
488 | .set_wol = bcmasp_set_wol, |
489 | .get_rxnfc = bcmasp_get_rxnfc, |
490 | .set_rxnfc = bcmasp_set_rxnfc, |
491 | .set_eee = bcmasp_set_eee, |
492 | .get_eee = bcmasp_get_eee, |
493 | .get_eth_mac_stats = bcmasp_get_eth_mac_stats, |
494 | .get_rmon_stats = bcmasp_get_rmon_stats, |
495 | .get_eth_ctrl_stats = bcmasp_get_eth_ctrl_stats, |
496 | .get_strings = bcmasp_get_strings, |
497 | .get_ethtool_stats = bcmasp_get_ethtool_stats, |
498 | .get_sset_count = bcmasp_get_sset_count, |
499 | }; |
500 | |