1
2
3
4#include <linux/net_tstamp.h>
5#include <linux/module.h>
6#include "enetc.h"
7
8static const u32 enetc_si_regs[] = {
9 ENETC_SIMR, ENETC_SIPMAR0, ENETC_SIPMAR1, ENETC_SICBDRMR,
10 ENETC_SICBDRSR, ENETC_SICBDRBAR0, ENETC_SICBDRBAR1, ENETC_SICBDRPIR,
11 ENETC_SICBDRCIR, ENETC_SICBDRLENR, ENETC_SICAPR0, ENETC_SICAPR1,
12 ENETC_SIUEFDCR
13};
14
15static const u32 enetc_txbdr_regs[] = {
16 ENETC_TBMR, ENETC_TBSR, ENETC_TBBAR0, ENETC_TBBAR1,
17 ENETC_TBPIR, ENETC_TBCIR, ENETC_TBLENR, ENETC_TBIER, ENETC_TBICR0,
18 ENETC_TBICR1
19};
20
21static const u32 enetc_rxbdr_regs[] = {
22 ENETC_RBMR, ENETC_RBSR, ENETC_RBBSR, ENETC_RBCIR, ENETC_RBBAR0,
23 ENETC_RBBAR1, ENETC_RBPIR, ENETC_RBLENR, ENETC_RBIER, ENETC_RBICR0,
24 ENETC_RBICR1
25};
26
27static const u32 enetc_port_regs[] = {
28 ENETC_PMR, ENETC_PSR, ENETC_PSIPMR, ENETC_PSIPMAR0(0),
29 ENETC_PSIPMAR1(0), ENETC_PTXMBAR, ENETC_PCAPR0, ENETC_PCAPR1,
30 ENETC_PSICFGR0(0), ENETC_PRFSCAPR, ENETC_PTCMSDUR(0),
31 ENETC_PM0_CMD_CFG, ENETC_PM0_MAXFRM, ENETC_PM0_IF_MODE
32};
33
34static int enetc_get_reglen(struct net_device *ndev)
35{
36 struct enetc_ndev_priv *priv = netdev_priv(ndev);
37 struct enetc_hw *hw = &priv->si->hw;
38 int len;
39
40 len = ARRAY_SIZE(enetc_si_regs);
41 len += ARRAY_SIZE(enetc_txbdr_regs) * priv->num_tx_rings;
42 len += ARRAY_SIZE(enetc_rxbdr_regs) * priv->num_rx_rings;
43
44 if (hw->port)
45 len += ARRAY_SIZE(enetc_port_regs);
46
47 len *= sizeof(u32) * 2;
48
49 return len;
50}
51
52static void enetc_get_regs(struct net_device *ndev, struct ethtool_regs *regs,
53 void *regbuf)
54{
55 struct enetc_ndev_priv *priv = netdev_priv(ndev);
56 struct enetc_hw *hw = &priv->si->hw;
57 u32 *buf = (u32 *)regbuf;
58 int i, j;
59 u32 addr;
60
61 for (i = 0; i < ARRAY_SIZE(enetc_si_regs); i++) {
62 *buf++ = enetc_si_regs[i];
63 *buf++ = enetc_rd(hw, enetc_si_regs[i]);
64 }
65
66 for (i = 0; i < priv->num_tx_rings; i++) {
67 for (j = 0; j < ARRAY_SIZE(enetc_txbdr_regs); j++) {
68 addr = ENETC_BDR(TX, i, enetc_txbdr_regs[j]);
69
70 *buf++ = addr;
71 *buf++ = enetc_rd(hw, addr);
72 }
73 }
74
75 for (i = 0; i < priv->num_rx_rings; i++) {
76 for (j = 0; j < ARRAY_SIZE(enetc_rxbdr_regs); j++) {
77 addr = ENETC_BDR(RX, i, enetc_rxbdr_regs[j]);
78
79 *buf++ = addr;
80 *buf++ = enetc_rd(hw, addr);
81 }
82 }
83
84 if (!hw->port)
85 return;
86
87 for (i = 0; i < ARRAY_SIZE(enetc_port_regs); i++) {
88 addr = ENETC_PORT_BASE + enetc_port_regs[i];
89 *buf++ = addr;
90 *buf++ = enetc_rd(hw, addr);
91 }
92}
93
94static const struct {
95 int reg;
96 char name[ETH_GSTRING_LEN];
97} enetc_si_counters[] = {
98 { ENETC_SIROCT, "SI rx octets" },
99 { ENETC_SIRFRM, "SI rx frames" },
100 { ENETC_SIRUCA, "SI rx u-cast frames" },
101 { ENETC_SIRMCA, "SI rx m-cast frames" },
102 { ENETC_SITOCT, "SI tx octets" },
103 { ENETC_SITFRM, "SI tx frames" },
104 { ENETC_SITUCA, "SI tx u-cast frames" },
105 { ENETC_SITMCA, "SI tx m-cast frames" },
106 { ENETC_RBDCR(0), "Rx ring 0 discarded frames" },
107 { ENETC_RBDCR(1), "Rx ring 1 discarded frames" },
108 { ENETC_RBDCR(2), "Rx ring 2 discarded frames" },
109 { ENETC_RBDCR(3), "Rx ring 3 discarded frames" },
110 { ENETC_RBDCR(4), "Rx ring 4 discarded frames" },
111 { ENETC_RBDCR(5), "Rx ring 5 discarded frames" },
112 { ENETC_RBDCR(6), "Rx ring 6 discarded frames" },
113 { ENETC_RBDCR(7), "Rx ring 7 discarded frames" },
114 { ENETC_RBDCR(8), "Rx ring 8 discarded frames" },
115 { ENETC_RBDCR(9), "Rx ring 9 discarded frames" },
116 { ENETC_RBDCR(10), "Rx ring 10 discarded frames" },
117 { ENETC_RBDCR(11), "Rx ring 11 discarded frames" },
118 { ENETC_RBDCR(12), "Rx ring 12 discarded frames" },
119 { ENETC_RBDCR(13), "Rx ring 13 discarded frames" },
120 { ENETC_RBDCR(14), "Rx ring 14 discarded frames" },
121 { ENETC_RBDCR(15), "Rx ring 15 discarded frames" },
122};
123
124static const struct {
125 int reg;
126 char name[ETH_GSTRING_LEN];
127} enetc_port_counters[] = {
128 { ENETC_PM0_REOCT, "MAC rx ethernet octets" },
129 { ENETC_PM0_RALN, "MAC rx alignment errors" },
130 { ENETC_PM0_RXPF, "MAC rx valid pause frames" },
131 { ENETC_PM0_RFRM, "MAC rx valid frames" },
132 { ENETC_PM0_RFCS, "MAC rx fcs errors" },
133 { ENETC_PM0_RVLAN, "MAC rx VLAN frames" },
134 { ENETC_PM0_RERR, "MAC rx frame errors" },
135 { ENETC_PM0_RUCA, "MAC rx unicast frames" },
136 { ENETC_PM0_RMCA, "MAC rx multicast frames" },
137 { ENETC_PM0_RBCA, "MAC rx broadcast frames" },
138 { ENETC_PM0_RDRP, "MAC rx dropped packets" },
139 { ENETC_PM0_RPKT, "MAC rx packets" },
140 { ENETC_PM0_RUND, "MAC rx undersized packets" },
141 { ENETC_PM0_R64, "MAC rx 64 byte packets" },
142 { ENETC_PM0_R127, "MAC rx 65-127 byte packets" },
143 { ENETC_PM0_R255, "MAC rx 128-255 byte packets" },
144 { ENETC_PM0_R511, "MAC rx 256-511 byte packets" },
145 { ENETC_PM0_R1023, "MAC rx 512-1023 byte packets" },
146 { ENETC_PM0_R1522, "MAC rx 1024-1522 byte packets" },
147 { ENETC_PM0_R1523X, "MAC rx 1523 to max-octet packets" },
148 { ENETC_PM0_ROVR, "MAC rx oversized packets" },
149 { ENETC_PM0_RJBR, "MAC rx jabber packets" },
150 { ENETC_PM0_RFRG, "MAC rx fragment packets" },
151 { ENETC_PM0_RCNP, "MAC rx control packets" },
152 { ENETC_PM0_RDRNTP, "MAC rx fifo drop" },
153 { ENETC_PM0_TEOCT, "MAC tx ethernet octets" },
154 { ENETC_PM0_TOCT, "MAC tx octets" },
155 { ENETC_PM0_TCRSE, "MAC tx carrier sense errors" },
156 { ENETC_PM0_TXPF, "MAC tx valid pause frames" },
157 { ENETC_PM0_TFRM, "MAC tx frames" },
158 { ENETC_PM0_TFCS, "MAC tx fcs errors" },
159 { ENETC_PM0_TVLAN, "MAC tx VLAN frames" },
160 { ENETC_PM0_TERR, "MAC tx frame errors" },
161 { ENETC_PM0_TUCA, "MAC tx unicast frames" },
162 { ENETC_PM0_TMCA, "MAC tx multicast frames" },
163 { ENETC_PM0_TBCA, "MAC tx broadcast frames" },
164 { ENETC_PM0_TPKT, "MAC tx packets" },
165 { ENETC_PM0_TUND, "MAC tx undersized packets" },
166 { ENETC_PM0_T64, "MAC tx 64 byte packets" },
167 { ENETC_PM0_T127, "MAC tx 65-127 byte packets" },
168 { ENETC_PM0_T255, "MAC tx 128-255 byte packets" },
169 { ENETC_PM0_T511, "MAC tx 256-511 byte packets" },
170 { ENETC_PM0_T1023, "MAC tx 512-1023 byte packets" },
171 { ENETC_PM0_T1522, "MAC tx 1024-1522 byte packets" },
172 { ENETC_PM0_T1523X, "MAC tx 1523 to max-octet packets" },
173 { ENETC_PM0_TCNP, "MAC tx control packets" },
174 { ENETC_PM0_TDFR, "MAC tx deferred packets" },
175 { ENETC_PM0_TMCOL, "MAC tx multiple collisions" },
176 { ENETC_PM0_TSCOL, "MAC tx single collisions" },
177 { ENETC_PM0_TLCOL, "MAC tx late collisions" },
178 { ENETC_PM0_TECOL, "MAC tx excessive collisions" },
179 { ENETC_UFDMF, "SI MAC nomatch u-cast discards" },
180 { ENETC_MFDMF, "SI MAC nomatch m-cast discards" },
181 { ENETC_PBFDSIR, "SI MAC nomatch b-cast discards" },
182 { ENETC_PUFDVFR, "SI VLAN nomatch u-cast discards" },
183 { ENETC_PMFDVFR, "SI VLAN nomatch m-cast discards" },
184 { ENETC_PBFDVFR, "SI VLAN nomatch b-cast discards" },
185 { ENETC_PFDMSAPR, "SI pruning discarded frames" },
186 { ENETC_PICDR(0), "ICM DR0 discarded frames" },
187 { ENETC_PICDR(1), "ICM DR1 discarded frames" },
188 { ENETC_PICDR(2), "ICM DR2 discarded frames" },
189 { ENETC_PICDR(3), "ICM DR3 discarded frames" },
190};
191
192static const char rx_ring_stats[][ETH_GSTRING_LEN] = {
193 "Rx ring %2d frames",
194 "Rx ring %2d alloc errors",
195 "Rx ring %2d XDP drops",
196 "Rx ring %2d recycles",
197 "Rx ring %2d recycle failures",
198 "Rx ring %2d redirects",
199 "Rx ring %2d redirect failures",
200 "Rx ring %2d redirect S/G",
201};
202
203static const char tx_ring_stats[][ETH_GSTRING_LEN] = {
204 "Tx ring %2d frames",
205 "Tx ring %2d XDP frames",
206 "Tx ring %2d XDP drops",
207};
208
209static int enetc_get_sset_count(struct net_device *ndev, int sset)
210{
211 struct enetc_ndev_priv *priv = netdev_priv(ndev);
212 int len;
213
214 if (sset != ETH_SS_STATS)
215 return -EOPNOTSUPP;
216
217 len = ARRAY_SIZE(enetc_si_counters) +
218 ARRAY_SIZE(tx_ring_stats) * priv->num_tx_rings +
219 ARRAY_SIZE(rx_ring_stats) * priv->num_rx_rings;
220
221 if (!enetc_si_is_pf(priv->si))
222 return len;
223
224 len += ARRAY_SIZE(enetc_port_counters);
225
226 return len;
227}
228
229static void enetc_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
230{
231 struct enetc_ndev_priv *priv = netdev_priv(ndev);
232 u8 *p = data;
233 int i, j;
234
235 switch (stringset) {
236 case ETH_SS_STATS:
237 for (i = 0; i < ARRAY_SIZE(enetc_si_counters); i++) {
238 strlcpy(p, enetc_si_counters[i].name, ETH_GSTRING_LEN);
239 p += ETH_GSTRING_LEN;
240 }
241 for (i = 0; i < priv->num_tx_rings; i++) {
242 for (j = 0; j < ARRAY_SIZE(tx_ring_stats); j++) {
243 snprintf(p, ETH_GSTRING_LEN, tx_ring_stats[j],
244 i);
245 p += ETH_GSTRING_LEN;
246 }
247 }
248 for (i = 0; i < priv->num_rx_rings; i++) {
249 for (j = 0; j < ARRAY_SIZE(rx_ring_stats); j++) {
250 snprintf(p, ETH_GSTRING_LEN, rx_ring_stats[j],
251 i);
252 p += ETH_GSTRING_LEN;
253 }
254 }
255
256 if (!enetc_si_is_pf(priv->si))
257 break;
258
259 for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++) {
260 strlcpy(p, enetc_port_counters[i].name,
261 ETH_GSTRING_LEN);
262 p += ETH_GSTRING_LEN;
263 }
264 break;
265 }
266}
267
268static void enetc_get_ethtool_stats(struct net_device *ndev,
269 struct ethtool_stats *stats, u64 *data)
270{
271 struct enetc_ndev_priv *priv = netdev_priv(ndev);
272 struct enetc_hw *hw = &priv->si->hw;
273 int i, o = 0;
274
275 for (i = 0; i < ARRAY_SIZE(enetc_si_counters); i++)
276 data[o++] = enetc_rd64(hw, enetc_si_counters[i].reg);
277
278 for (i = 0; i < priv->num_tx_rings; i++) {
279 data[o++] = priv->tx_ring[i]->stats.packets;
280 data[o++] = priv->tx_ring[i]->stats.xdp_tx;
281 data[o++] = priv->tx_ring[i]->stats.xdp_tx_drops;
282 }
283
284 for (i = 0; i < priv->num_rx_rings; i++) {
285 data[o++] = priv->rx_ring[i]->stats.packets;
286 data[o++] = priv->rx_ring[i]->stats.rx_alloc_errs;
287 data[o++] = priv->rx_ring[i]->stats.xdp_drops;
288 data[o++] = priv->rx_ring[i]->stats.recycles;
289 data[o++] = priv->rx_ring[i]->stats.recycle_failures;
290 data[o++] = priv->rx_ring[i]->stats.xdp_redirect;
291 data[o++] = priv->rx_ring[i]->stats.xdp_redirect_failures;
292 data[o++] = priv->rx_ring[i]->stats.xdp_redirect_sg;
293 }
294
295 if (!enetc_si_is_pf(priv->si))
296 return;
297
298 for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++)
299 data[o++] = enetc_port_rd(hw, enetc_port_counters[i].reg);
300}
301
302#define ENETC_RSSHASH_L3 (RXH_L2DA | RXH_VLAN | RXH_L3_PROTO | RXH_IP_SRC | \
303 RXH_IP_DST)
304#define ENETC_RSSHASH_L4 (ENETC_RSSHASH_L3 | RXH_L4_B_0_1 | RXH_L4_B_2_3)
305static int enetc_get_rsshash(struct ethtool_rxnfc *rxnfc)
306{
307 static const u32 rsshash[] = {
308 [TCP_V4_FLOW] = ENETC_RSSHASH_L4,
309 [UDP_V4_FLOW] = ENETC_RSSHASH_L4,
310 [SCTP_V4_FLOW] = ENETC_RSSHASH_L4,
311 [AH_ESP_V4_FLOW] = ENETC_RSSHASH_L3,
312 [IPV4_FLOW] = ENETC_RSSHASH_L3,
313 [TCP_V6_FLOW] = ENETC_RSSHASH_L4,
314 [UDP_V6_FLOW] = ENETC_RSSHASH_L4,
315 [SCTP_V6_FLOW] = ENETC_RSSHASH_L4,
316 [AH_ESP_V6_FLOW] = ENETC_RSSHASH_L3,
317 [IPV6_FLOW] = ENETC_RSSHASH_L3,
318 [ETHER_FLOW] = 0,
319 };
320
321 if (rxnfc->flow_type >= ARRAY_SIZE(rsshash))
322 return -EINVAL;
323
324 rxnfc->data = rsshash[rxnfc->flow_type];
325
326 return 0;
327}
328
329
330static void ether_addr_copy_swap(u8 *dst, const u8 *src)
331{
332 int i;
333
334 for (i = 0; i < ETH_ALEN; i++)
335 dst[i] = src[ETH_ALEN - i - 1];
336}
337
338static int enetc_set_cls_entry(struct enetc_si *si,
339 struct ethtool_rx_flow_spec *fs, bool en)
340{
341 struct ethtool_tcpip4_spec *l4ip4_h, *l4ip4_m;
342 struct ethtool_usrip4_spec *l3ip4_h, *l3ip4_m;
343 struct ethhdr *eth_h, *eth_m;
344 struct enetc_cmd_rfse rfse = { {0} };
345
346 if (!en)
347 goto done;
348
349 switch (fs->flow_type & 0xff) {
350 case TCP_V4_FLOW:
351 l4ip4_h = &fs->h_u.tcp_ip4_spec;
352 l4ip4_m = &fs->m_u.tcp_ip4_spec;
353 goto l4ip4;
354 case UDP_V4_FLOW:
355 l4ip4_h = &fs->h_u.udp_ip4_spec;
356 l4ip4_m = &fs->m_u.udp_ip4_spec;
357 goto l4ip4;
358 case SCTP_V4_FLOW:
359 l4ip4_h = &fs->h_u.sctp_ip4_spec;
360 l4ip4_m = &fs->m_u.sctp_ip4_spec;
361l4ip4:
362 rfse.sip_h[0] = l4ip4_h->ip4src;
363 rfse.sip_m[0] = l4ip4_m->ip4src;
364 rfse.dip_h[0] = l4ip4_h->ip4dst;
365 rfse.dip_m[0] = l4ip4_m->ip4dst;
366 rfse.sport_h = ntohs(l4ip4_h->psrc);
367 rfse.sport_m = ntohs(l4ip4_m->psrc);
368 rfse.dport_h = ntohs(l4ip4_h->pdst);
369 rfse.dport_m = ntohs(l4ip4_m->pdst);
370 if (l4ip4_m->tos)
371 netdev_warn(si->ndev, "ToS field is not supported and was ignored\n");
372 rfse.ethtype_h = ETH_P_IP;
373 rfse.ethtype_m = 0xffff;
374 break;
375 case IP_USER_FLOW:
376 l3ip4_h = &fs->h_u.usr_ip4_spec;
377 l3ip4_m = &fs->m_u.usr_ip4_spec;
378
379 rfse.sip_h[0] = l3ip4_h->ip4src;
380 rfse.sip_m[0] = l3ip4_m->ip4src;
381 rfse.dip_h[0] = l3ip4_h->ip4dst;
382 rfse.dip_m[0] = l3ip4_m->ip4dst;
383 if (l3ip4_m->tos)
384 netdev_warn(si->ndev, "ToS field is not supported and was ignored\n");
385 rfse.ethtype_h = ETH_P_IP;
386 rfse.ethtype_m = 0xffff;
387 break;
388 case ETHER_FLOW:
389 eth_h = &fs->h_u.ether_spec;
390 eth_m = &fs->m_u.ether_spec;
391
392 ether_addr_copy_swap(rfse.smac_h, eth_h->h_source);
393 ether_addr_copy_swap(rfse.smac_m, eth_m->h_source);
394 ether_addr_copy_swap(rfse.dmac_h, eth_h->h_dest);
395 ether_addr_copy_swap(rfse.dmac_m, eth_m->h_dest);
396 rfse.ethtype_h = ntohs(eth_h->h_proto);
397 rfse.ethtype_m = ntohs(eth_m->h_proto);
398 break;
399 default:
400 return -EOPNOTSUPP;
401 }
402
403 rfse.mode |= ENETC_RFSE_EN;
404 if (fs->ring_cookie != RX_CLS_FLOW_DISC) {
405 rfse.mode |= ENETC_RFSE_MODE_BD;
406 rfse.result = fs->ring_cookie;
407 }
408done:
409 return enetc_set_fs_entry(si, &rfse, fs->location);
410}
411
412static int enetc_get_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc,
413 u32 *rule_locs)
414{
415 struct enetc_ndev_priv *priv = netdev_priv(ndev);
416 int i, j;
417
418 switch (rxnfc->cmd) {
419 case ETHTOOL_GRXRINGS:
420 rxnfc->data = priv->num_rx_rings;
421 break;
422 case ETHTOOL_GRXFH:
423
424 return enetc_get_rsshash(rxnfc);
425 case ETHTOOL_GRXCLSRLCNT:
426
427 rxnfc->data = priv->si->num_fs_entries;
428
429 rxnfc->rule_cnt = 0;
430 for (i = 0; i < priv->si->num_fs_entries; i++)
431 if (priv->cls_rules[i].used)
432 rxnfc->rule_cnt++;
433 break;
434 case ETHTOOL_GRXCLSRULE:
435 if (rxnfc->fs.location >= priv->si->num_fs_entries)
436 return -EINVAL;
437
438
439 rxnfc->fs = priv->cls_rules[rxnfc->fs.location].fs;
440 break;
441 case ETHTOOL_GRXCLSRLALL:
442
443 rxnfc->data = priv->si->num_fs_entries;
444
445 j = 0;
446 for (i = 0; i < priv->si->num_fs_entries; i++) {
447 if (!priv->cls_rules[i].used)
448 continue;
449 if (j == rxnfc->rule_cnt)
450 return -EMSGSIZE;
451 rule_locs[j++] = i;
452 }
453
454 rxnfc->rule_cnt = j;
455 break;
456 default:
457 return -EOPNOTSUPP;
458 }
459
460 return 0;
461}
462
463static int enetc_set_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc)
464{
465 struct enetc_ndev_priv *priv = netdev_priv(ndev);
466 int err;
467
468 switch (rxnfc->cmd) {
469 case ETHTOOL_SRXCLSRLINS:
470 if (rxnfc->fs.location >= priv->si->num_fs_entries)
471 return -EINVAL;
472
473 if (rxnfc->fs.ring_cookie >= priv->num_rx_rings &&
474 rxnfc->fs.ring_cookie != RX_CLS_FLOW_DISC)
475 return -EINVAL;
476
477 err = enetc_set_cls_entry(priv->si, &rxnfc->fs, true);
478 if (err)
479 return err;
480 priv->cls_rules[rxnfc->fs.location].fs = rxnfc->fs;
481 priv->cls_rules[rxnfc->fs.location].used = 1;
482 break;
483 case ETHTOOL_SRXCLSRLDEL:
484 if (rxnfc->fs.location >= priv->si->num_fs_entries)
485 return -EINVAL;
486
487 err = enetc_set_cls_entry(priv->si, &rxnfc->fs, false);
488 if (err)
489 return err;
490 priv->cls_rules[rxnfc->fs.location].used = 0;
491 break;
492 default:
493 return -EOPNOTSUPP;
494 }
495
496 return 0;
497}
498
499static u32 enetc_get_rxfh_key_size(struct net_device *ndev)
500{
501 struct enetc_ndev_priv *priv = netdev_priv(ndev);
502
503
504 return (priv->si->hw.port) ? ENETC_RSSHASH_KEY_SIZE : 0;
505}
506
507static u32 enetc_get_rxfh_indir_size(struct net_device *ndev)
508{
509 struct enetc_ndev_priv *priv = netdev_priv(ndev);
510
511
512 return priv->si->num_rss;
513}
514
515static int enetc_get_rxfh(struct net_device *ndev, u32 *indir, u8 *key,
516 u8 *hfunc)
517{
518 struct enetc_ndev_priv *priv = netdev_priv(ndev);
519 struct enetc_hw *hw = &priv->si->hw;
520 int err = 0, i;
521
522
523 if (hfunc)
524 *hfunc = ETH_RSS_HASH_TOP;
525
526
527 if (key && hw->port)
528 for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++)
529 ((u32 *)key)[i] = enetc_port_rd(hw, ENETC_PRSSK(i));
530
531
532 if (indir)
533 err = enetc_get_rss_table(priv->si, indir, priv->si->num_rss);
534
535 return err;
536}
537
538void enetc_set_rss_key(struct enetc_hw *hw, const u8 *bytes)
539{
540 int i;
541
542 for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++)
543 enetc_port_wr(hw, ENETC_PRSSK(i), ((u32 *)bytes)[i]);
544}
545
546static int enetc_set_rxfh(struct net_device *ndev, const u32 *indir,
547 const u8 *key, const u8 hfunc)
548{
549 struct enetc_ndev_priv *priv = netdev_priv(ndev);
550 struct enetc_hw *hw = &priv->si->hw;
551 int err = 0;
552
553
554 if (key && hw->port)
555 enetc_set_rss_key(hw, key);
556
557
558 if (indir)
559 err = enetc_set_rss_table(priv->si, indir, priv->si->num_rss);
560
561 return err;
562}
563
564static void enetc_get_ringparam(struct net_device *ndev,
565 struct ethtool_ringparam *ring)
566{
567 struct enetc_ndev_priv *priv = netdev_priv(ndev);
568
569 ring->rx_pending = priv->rx_bd_count;
570 ring->tx_pending = priv->tx_bd_count;
571
572
573 if (netif_running(ndev)) {
574 struct enetc_hw *hw = &priv->si->hw;
575 u32 val = enetc_rxbdr_rd(hw, 0, ENETC_RBLENR);
576
577 if (val != priv->rx_bd_count)
578 netif_err(priv, hw, ndev, "RxBDR[RBLENR] = %d!\n", val);
579
580 val = enetc_txbdr_rd(hw, 0, ENETC_TBLENR);
581
582 if (val != priv->tx_bd_count)
583 netif_err(priv, hw, ndev, "TxBDR[TBLENR] = %d!\n", val);
584 }
585}
586
587static int enetc_get_coalesce(struct net_device *ndev,
588 struct ethtool_coalesce *ic,
589 struct kernel_ethtool_coalesce *kernel_coal,
590 struct netlink_ext_ack *extack)
591{
592 struct enetc_ndev_priv *priv = netdev_priv(ndev);
593 struct enetc_int_vector *v = priv->int_vector[0];
594
595 ic->tx_coalesce_usecs = enetc_cycles_to_usecs(priv->tx_ictt);
596 ic->rx_coalesce_usecs = enetc_cycles_to_usecs(v->rx_ictt);
597
598 ic->tx_max_coalesced_frames = ENETC_TXIC_PKTTHR;
599 ic->rx_max_coalesced_frames = ENETC_RXIC_PKTTHR;
600
601 ic->use_adaptive_rx_coalesce = priv->ic_mode & ENETC_IC_RX_ADAPTIVE;
602
603 return 0;
604}
605
606static int enetc_set_coalesce(struct net_device *ndev,
607 struct ethtool_coalesce *ic,
608 struct kernel_ethtool_coalesce *kernel_coal,
609 struct netlink_ext_ack *extack)
610{
611 struct enetc_ndev_priv *priv = netdev_priv(ndev);
612 u32 rx_ictt, tx_ictt;
613 int i, ic_mode;
614 bool changed;
615
616 tx_ictt = enetc_usecs_to_cycles(ic->tx_coalesce_usecs);
617 rx_ictt = enetc_usecs_to_cycles(ic->rx_coalesce_usecs);
618
619 if (ic->rx_max_coalesced_frames != ENETC_RXIC_PKTTHR)
620 return -EOPNOTSUPP;
621
622 if (ic->tx_max_coalesced_frames != ENETC_TXIC_PKTTHR)
623 return -EOPNOTSUPP;
624
625 ic_mode = ENETC_IC_NONE;
626 if (ic->use_adaptive_rx_coalesce) {
627 ic_mode |= ENETC_IC_RX_ADAPTIVE;
628 rx_ictt = 0x1;
629 } else {
630 ic_mode |= rx_ictt ? ENETC_IC_RX_MANUAL : 0;
631 }
632
633 ic_mode |= tx_ictt ? ENETC_IC_TX_MANUAL : 0;
634
635
636 changed = (ic_mode != priv->ic_mode) || (priv->tx_ictt != tx_ictt);
637
638 priv->ic_mode = ic_mode;
639 priv->tx_ictt = tx_ictt;
640
641 for (i = 0; i < priv->bdr_int_num; i++) {
642 struct enetc_int_vector *v = priv->int_vector[i];
643
644 v->rx_ictt = rx_ictt;
645 v->rx_dim_en = !!(ic_mode & ENETC_IC_RX_ADAPTIVE);
646 }
647
648 if (netif_running(ndev) && changed) {
649
650
651
652 enetc_stop(ndev);
653 enetc_start(ndev);
654 }
655
656 return 0;
657}
658
659static int enetc_get_ts_info(struct net_device *ndev,
660 struct ethtool_ts_info *info)
661{
662 int *phc_idx;
663
664 phc_idx = symbol_get(enetc_phc_index);
665 if (phc_idx) {
666 info->phc_index = *phc_idx;
667 symbol_put(enetc_phc_index);
668 } else {
669 info->phc_index = -1;
670 }
671
672#ifdef CONFIG_FSL_ENETC_PTP_CLOCK
673 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
674 SOF_TIMESTAMPING_RX_HARDWARE |
675 SOF_TIMESTAMPING_RAW_HARDWARE;
676
677 info->tx_types = (1 << HWTSTAMP_TX_OFF) |
678 (1 << HWTSTAMP_TX_ON) |
679 (1 << HWTSTAMP_TX_ONESTEP_SYNC);
680 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
681 (1 << HWTSTAMP_FILTER_ALL);
682#else
683 info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
684 SOF_TIMESTAMPING_TX_SOFTWARE |
685 SOF_TIMESTAMPING_SOFTWARE;
686#endif
687 return 0;
688}
689
690static void enetc_get_wol(struct net_device *dev,
691 struct ethtool_wolinfo *wol)
692{
693 wol->supported = 0;
694 wol->wolopts = 0;
695
696 if (dev->phydev)
697 phy_ethtool_get_wol(dev->phydev, wol);
698}
699
700static int enetc_set_wol(struct net_device *dev,
701 struct ethtool_wolinfo *wol)
702{
703 int ret;
704
705 if (!dev->phydev)
706 return -EOPNOTSUPP;
707
708 ret = phy_ethtool_set_wol(dev->phydev, wol);
709 if (!ret)
710 device_set_wakeup_enable(&dev->dev, wol->wolopts);
711
712 return ret;
713}
714
715static void enetc_get_pauseparam(struct net_device *dev,
716 struct ethtool_pauseparam *pause)
717{
718 struct enetc_ndev_priv *priv = netdev_priv(dev);
719
720 phylink_ethtool_get_pauseparam(priv->phylink, pause);
721}
722
723static int enetc_set_pauseparam(struct net_device *dev,
724 struct ethtool_pauseparam *pause)
725{
726 struct enetc_ndev_priv *priv = netdev_priv(dev);
727
728 return phylink_ethtool_set_pauseparam(priv->phylink, pause);
729}
730
731static int enetc_get_link_ksettings(struct net_device *dev,
732 struct ethtool_link_ksettings *cmd)
733{
734 struct enetc_ndev_priv *priv = netdev_priv(dev);
735
736 if (!priv->phylink)
737 return -EOPNOTSUPP;
738
739 return phylink_ethtool_ksettings_get(priv->phylink, cmd);
740}
741
742static int enetc_set_link_ksettings(struct net_device *dev,
743 const struct ethtool_link_ksettings *cmd)
744{
745 struct enetc_ndev_priv *priv = netdev_priv(dev);
746
747 if (!priv->phylink)
748 return -EOPNOTSUPP;
749
750 return phylink_ethtool_ksettings_set(priv->phylink, cmd);
751}
752
753static const struct ethtool_ops enetc_pf_ethtool_ops = {
754 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
755 ETHTOOL_COALESCE_MAX_FRAMES |
756 ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
757 .get_regs_len = enetc_get_reglen,
758 .get_regs = enetc_get_regs,
759 .get_sset_count = enetc_get_sset_count,
760 .get_strings = enetc_get_strings,
761 .get_ethtool_stats = enetc_get_ethtool_stats,
762 .get_rxnfc = enetc_get_rxnfc,
763 .set_rxnfc = enetc_set_rxnfc,
764 .get_rxfh_key_size = enetc_get_rxfh_key_size,
765 .get_rxfh_indir_size = enetc_get_rxfh_indir_size,
766 .get_rxfh = enetc_get_rxfh,
767 .set_rxfh = enetc_set_rxfh,
768 .get_ringparam = enetc_get_ringparam,
769 .get_coalesce = enetc_get_coalesce,
770 .set_coalesce = enetc_set_coalesce,
771 .get_link_ksettings = enetc_get_link_ksettings,
772 .set_link_ksettings = enetc_set_link_ksettings,
773 .get_link = ethtool_op_get_link,
774 .get_ts_info = enetc_get_ts_info,
775 .get_wol = enetc_get_wol,
776 .set_wol = enetc_set_wol,
777 .get_pauseparam = enetc_get_pauseparam,
778 .set_pauseparam = enetc_set_pauseparam,
779};
780
781static const struct ethtool_ops enetc_vf_ethtool_ops = {
782 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
783 ETHTOOL_COALESCE_MAX_FRAMES |
784 ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
785 .get_regs_len = enetc_get_reglen,
786 .get_regs = enetc_get_regs,
787 .get_sset_count = enetc_get_sset_count,
788 .get_strings = enetc_get_strings,
789 .get_ethtool_stats = enetc_get_ethtool_stats,
790 .get_rxnfc = enetc_get_rxnfc,
791 .set_rxnfc = enetc_set_rxnfc,
792 .get_rxfh_indir_size = enetc_get_rxfh_indir_size,
793 .get_rxfh = enetc_get_rxfh,
794 .set_rxfh = enetc_set_rxfh,
795 .get_ringparam = enetc_get_ringparam,
796 .get_coalesce = enetc_get_coalesce,
797 .set_coalesce = enetc_set_coalesce,
798 .get_link = ethtool_op_get_link,
799 .get_ts_info = enetc_get_ts_info,
800};
801
802void enetc_set_ethtool_ops(struct net_device *ndev)
803{
804 struct enetc_ndev_priv *priv = netdev_priv(ndev);
805
806 if (enetc_si_is_pf(priv->si))
807 ndev->ethtool_ops = &enetc_pf_ethtool_ops;
808 else
809 ndev->ethtool_ops = &enetc_vf_ethtool_ops;
810}
811
