1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
2 /* Copyright 2017-2019 NXP */
3
4 #include <linux/net_tstamp.h>
5 #include <linux/module.h>
6 #include "enetc.h"
7
8 static 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
15 static 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
21 static 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
27 static 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
enetc_get_reglen(struct net_device * ndev)34 static 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; /* store 2 entries per reg: addr and value */
48
49 return len;
50 }
51
enetc_get_regs(struct net_device * ndev,struct ethtool_regs * regs,void * regbuf)52 static 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
94 static 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
124 static 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
192 static 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
203 static 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 "Tx window drop %2d frames",
208 };
209
enetc_get_sset_count(struct net_device * ndev,int sset)210 static int enetc_get_sset_count(struct net_device *ndev, int sset)
211 {
212 struct enetc_ndev_priv *priv = netdev_priv(ndev);
213 int len;
214
215 if (sset != ETH_SS_STATS)
216 return -EOPNOTSUPP;
217
218 len = ARRAY_SIZE(enetc_si_counters) +
219 ARRAY_SIZE(tx_ring_stats) * priv->num_tx_rings +
220 ARRAY_SIZE(rx_ring_stats) * priv->num_rx_rings;
221
222 if (!enetc_si_is_pf(priv->si))
223 return len;
224
225 len += ARRAY_SIZE(enetc_port_counters);
226
227 return len;
228 }
229
enetc_get_strings(struct net_device * ndev,u32 stringset,u8 * data)230 static void enetc_get_strings(struct net_device *ndev, u32 stringset, u8 *data)
231 {
232 struct enetc_ndev_priv *priv = netdev_priv(ndev);
233 u8 *p = data;
234 int i, j;
235
236 switch (stringset) {
237 case ETH_SS_STATS:
238 for (i = 0; i < ARRAY_SIZE(enetc_si_counters); i++) {
239 strlcpy(p, enetc_si_counters[i].name, ETH_GSTRING_LEN);
240 p += ETH_GSTRING_LEN;
241 }
242 for (i = 0; i < priv->num_tx_rings; i++) {
243 for (j = 0; j < ARRAY_SIZE(tx_ring_stats); j++) {
244 snprintf(p, ETH_GSTRING_LEN, tx_ring_stats[j],
245 i);
246 p += ETH_GSTRING_LEN;
247 }
248 }
249 for (i = 0; i < priv->num_rx_rings; i++) {
250 for (j = 0; j < ARRAY_SIZE(rx_ring_stats); j++) {
251 snprintf(p, ETH_GSTRING_LEN, rx_ring_stats[j],
252 i);
253 p += ETH_GSTRING_LEN;
254 }
255 }
256
257 if (!enetc_si_is_pf(priv->si))
258 break;
259
260 for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++) {
261 strlcpy(p, enetc_port_counters[i].name,
262 ETH_GSTRING_LEN);
263 p += ETH_GSTRING_LEN;
264 }
265 break;
266 }
267 }
268
enetc_get_ethtool_stats(struct net_device * ndev,struct ethtool_stats * stats,u64 * data)269 static void enetc_get_ethtool_stats(struct net_device *ndev,
270 struct ethtool_stats *stats, u64 *data)
271 {
272 struct enetc_ndev_priv *priv = netdev_priv(ndev);
273 struct enetc_hw *hw = &priv->si->hw;
274 int i, o = 0;
275
276 for (i = 0; i < ARRAY_SIZE(enetc_si_counters); i++)
277 data[o++] = enetc_rd64(hw, enetc_si_counters[i].reg);
278
279 for (i = 0; i < priv->num_tx_rings; i++) {
280 data[o++] = priv->tx_ring[i]->stats.packets;
281 data[o++] = priv->tx_ring[i]->stats.xdp_tx;
282 data[o++] = priv->tx_ring[i]->stats.xdp_tx_drops;
283 data[o++] = priv->tx_ring[i]->stats.win_drop;
284 }
285
286 for (i = 0; i < priv->num_rx_rings; i++) {
287 data[o++] = priv->rx_ring[i]->stats.packets;
288 data[o++] = priv->rx_ring[i]->stats.rx_alloc_errs;
289 data[o++] = priv->rx_ring[i]->stats.xdp_drops;
290 data[o++] = priv->rx_ring[i]->stats.recycles;
291 data[o++] = priv->rx_ring[i]->stats.recycle_failures;
292 data[o++] = priv->rx_ring[i]->stats.xdp_redirect;
293 data[o++] = priv->rx_ring[i]->stats.xdp_redirect_failures;
294 data[o++] = priv->rx_ring[i]->stats.xdp_redirect_sg;
295 }
296
297 if (!enetc_si_is_pf(priv->si))
298 return;
299
300 for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++)
301 data[o++] = enetc_port_rd(hw, enetc_port_counters[i].reg);
302 }
303
304 #define ENETC_RSSHASH_L3 (RXH_L2DA | RXH_VLAN | RXH_L3_PROTO | RXH_IP_SRC | \
305 RXH_IP_DST)
306 #define ENETC_RSSHASH_L4 (ENETC_RSSHASH_L3 | RXH_L4_B_0_1 | RXH_L4_B_2_3)
enetc_get_rsshash(struct ethtool_rxnfc * rxnfc)307 static int enetc_get_rsshash(struct ethtool_rxnfc *rxnfc)
308 {
309 static const u32 rsshash[] = {
310 [TCP_V4_FLOW] = ENETC_RSSHASH_L4,
311 [UDP_V4_FLOW] = ENETC_RSSHASH_L4,
312 [SCTP_V4_FLOW] = ENETC_RSSHASH_L4,
313 [AH_ESP_V4_FLOW] = ENETC_RSSHASH_L3,
314 [IPV4_FLOW] = ENETC_RSSHASH_L3,
315 [TCP_V6_FLOW] = ENETC_RSSHASH_L4,
316 [UDP_V6_FLOW] = ENETC_RSSHASH_L4,
317 [SCTP_V6_FLOW] = ENETC_RSSHASH_L4,
318 [AH_ESP_V6_FLOW] = ENETC_RSSHASH_L3,
319 [IPV6_FLOW] = ENETC_RSSHASH_L3,
320 [ETHER_FLOW] = 0,
321 };
322
323 if (rxnfc->flow_type >= ARRAY_SIZE(rsshash))
324 return -EINVAL;
325
326 rxnfc->data = rsshash[rxnfc->flow_type];
327
328 return 0;
329 }
330
331 /* current HW spec does byte reversal on everything including MAC addresses */
ether_addr_copy_swap(u8 * dst,const u8 * src)332 static void ether_addr_copy_swap(u8 *dst, const u8 *src)
333 {
334 int i;
335
336 for (i = 0; i < ETH_ALEN; i++)
337 dst[i] = src[ETH_ALEN - i - 1];
338 }
339
enetc_set_cls_entry(struct enetc_si * si,struct ethtool_rx_flow_spec * fs,bool en)340 static int enetc_set_cls_entry(struct enetc_si *si,
341 struct ethtool_rx_flow_spec *fs, bool en)
342 {
343 struct ethtool_tcpip4_spec *l4ip4_h, *l4ip4_m;
344 struct ethtool_usrip4_spec *l3ip4_h, *l3ip4_m;
345 struct ethhdr *eth_h, *eth_m;
346 struct enetc_cmd_rfse rfse = { {0} };
347
348 if (!en)
349 goto done;
350
351 switch (fs->flow_type & 0xff) {
352 case TCP_V4_FLOW:
353 l4ip4_h = &fs->h_u.tcp_ip4_spec;
354 l4ip4_m = &fs->m_u.tcp_ip4_spec;
355 goto l4ip4;
356 case UDP_V4_FLOW:
357 l4ip4_h = &fs->h_u.udp_ip4_spec;
358 l4ip4_m = &fs->m_u.udp_ip4_spec;
359 goto l4ip4;
360 case SCTP_V4_FLOW:
361 l4ip4_h = &fs->h_u.sctp_ip4_spec;
362 l4ip4_m = &fs->m_u.sctp_ip4_spec;
363 l4ip4:
364 rfse.sip_h[0] = l4ip4_h->ip4src;
365 rfse.sip_m[0] = l4ip4_m->ip4src;
366 rfse.dip_h[0] = l4ip4_h->ip4dst;
367 rfse.dip_m[0] = l4ip4_m->ip4dst;
368 rfse.sport_h = ntohs(l4ip4_h->psrc);
369 rfse.sport_m = ntohs(l4ip4_m->psrc);
370 rfse.dport_h = ntohs(l4ip4_h->pdst);
371 rfse.dport_m = ntohs(l4ip4_m->pdst);
372 if (l4ip4_m->tos)
373 netdev_warn(si->ndev, "ToS field is not supported and was ignored\n");
374 rfse.ethtype_h = ETH_P_IP; /* IPv4 */
375 rfse.ethtype_m = 0xffff;
376 break;
377 case IP_USER_FLOW:
378 l3ip4_h = &fs->h_u.usr_ip4_spec;
379 l3ip4_m = &fs->m_u.usr_ip4_spec;
380
381 rfse.sip_h[0] = l3ip4_h->ip4src;
382 rfse.sip_m[0] = l3ip4_m->ip4src;
383 rfse.dip_h[0] = l3ip4_h->ip4dst;
384 rfse.dip_m[0] = l3ip4_m->ip4dst;
385 if (l3ip4_m->tos)
386 netdev_warn(si->ndev, "ToS field is not supported and was ignored\n");
387 rfse.ethtype_h = ETH_P_IP; /* IPv4 */
388 rfse.ethtype_m = 0xffff;
389 break;
390 case ETHER_FLOW:
391 eth_h = &fs->h_u.ether_spec;
392 eth_m = &fs->m_u.ether_spec;
393
394 ether_addr_copy_swap(rfse.smac_h, eth_h->h_source);
395 ether_addr_copy_swap(rfse.smac_m, eth_m->h_source);
396 ether_addr_copy_swap(rfse.dmac_h, eth_h->h_dest);
397 ether_addr_copy_swap(rfse.dmac_m, eth_m->h_dest);
398 rfse.ethtype_h = ntohs(eth_h->h_proto);
399 rfse.ethtype_m = ntohs(eth_m->h_proto);
400 break;
401 default:
402 return -EOPNOTSUPP;
403 }
404
405 rfse.mode |= ENETC_RFSE_EN;
406 if (fs->ring_cookie != RX_CLS_FLOW_DISC) {
407 rfse.mode |= ENETC_RFSE_MODE_BD;
408 rfse.result = fs->ring_cookie;
409 }
410 done:
411 return enetc_set_fs_entry(si, &rfse, fs->location);
412 }
413
enetc_get_rxnfc(struct net_device * ndev,struct ethtool_rxnfc * rxnfc,u32 * rule_locs)414 static int enetc_get_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc,
415 u32 *rule_locs)
416 {
417 struct enetc_ndev_priv *priv = netdev_priv(ndev);
418 int i, j;
419
420 switch (rxnfc->cmd) {
421 case ETHTOOL_GRXRINGS:
422 rxnfc->data = priv->num_rx_rings;
423 break;
424 case ETHTOOL_GRXFH:
425 /* get RSS hash config */
426 return enetc_get_rsshash(rxnfc);
427 case ETHTOOL_GRXCLSRLCNT:
428 /* total number of entries */
429 rxnfc->data = priv->si->num_fs_entries;
430 /* number of entries in use */
431 rxnfc->rule_cnt = 0;
432 for (i = 0; i < priv->si->num_fs_entries; i++)
433 if (priv->cls_rules[i].used)
434 rxnfc->rule_cnt++;
435 break;
436 case ETHTOOL_GRXCLSRULE:
437 if (rxnfc->fs.location >= priv->si->num_fs_entries)
438 return -EINVAL;
439
440 /* get entry x */
441 rxnfc->fs = priv->cls_rules[rxnfc->fs.location].fs;
442 break;
443 case ETHTOOL_GRXCLSRLALL:
444 /* total number of entries */
445 rxnfc->data = priv->si->num_fs_entries;
446 /* array of indexes of used entries */
447 j = 0;
448 for (i = 0; i < priv->si->num_fs_entries; i++) {
449 if (!priv->cls_rules[i].used)
450 continue;
451 if (j == rxnfc->rule_cnt)
452 return -EMSGSIZE;
453 rule_locs[j++] = i;
454 }
455 /* number of entries in use */
456 rxnfc->rule_cnt = j;
457 break;
458 default:
459 return -EOPNOTSUPP;
460 }
461
462 return 0;
463 }
464
enetc_set_rxnfc(struct net_device * ndev,struct ethtool_rxnfc * rxnfc)465 static int enetc_set_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc)
466 {
467 struct enetc_ndev_priv *priv = netdev_priv(ndev);
468 int err;
469
470 switch (rxnfc->cmd) {
471 case ETHTOOL_SRXCLSRLINS:
472 if (rxnfc->fs.location >= priv->si->num_fs_entries)
473 return -EINVAL;
474
475 if (rxnfc->fs.ring_cookie >= priv->num_rx_rings &&
476 rxnfc->fs.ring_cookie != RX_CLS_FLOW_DISC)
477 return -EINVAL;
478
479 err = enetc_set_cls_entry(priv->si, &rxnfc->fs, true);
480 if (err)
481 return err;
482 priv->cls_rules[rxnfc->fs.location].fs = rxnfc->fs;
483 priv->cls_rules[rxnfc->fs.location].used = 1;
484 break;
485 case ETHTOOL_SRXCLSRLDEL:
486 if (rxnfc->fs.location >= priv->si->num_fs_entries)
487 return -EINVAL;
488
489 err = enetc_set_cls_entry(priv->si, &rxnfc->fs, false);
490 if (err)
491 return err;
492 priv->cls_rules[rxnfc->fs.location].used = 0;
493 break;
494 default:
495 return -EOPNOTSUPP;
496 }
497
498 return 0;
499 }
500
enetc_get_rxfh_key_size(struct net_device * ndev)501 static u32 enetc_get_rxfh_key_size(struct net_device *ndev)
502 {
503 struct enetc_ndev_priv *priv = netdev_priv(ndev);
504
505 /* return the size of the RX flow hash key. PF only */
506 return (priv->si->hw.port) ? ENETC_RSSHASH_KEY_SIZE : 0;
507 }
508
enetc_get_rxfh_indir_size(struct net_device * ndev)509 static u32 enetc_get_rxfh_indir_size(struct net_device *ndev)
510 {
511 struct enetc_ndev_priv *priv = netdev_priv(ndev);
512
513 /* return the size of the RX flow hash indirection table */
514 return priv->si->num_rss;
515 }
516
enetc_get_rxfh(struct net_device * ndev,u32 * indir,u8 * key,u8 * hfunc)517 static int enetc_get_rxfh(struct net_device *ndev, u32 *indir, u8 *key,
518 u8 *hfunc)
519 {
520 struct enetc_ndev_priv *priv = netdev_priv(ndev);
521 struct enetc_hw *hw = &priv->si->hw;
522 int err = 0, i;
523
524 /* return hash function */
525 if (hfunc)
526 *hfunc = ETH_RSS_HASH_TOP;
527
528 /* return hash key */
529 if (key && hw->port)
530 for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++)
531 ((u32 *)key)[i] = enetc_port_rd(hw, ENETC_PRSSK(i));
532
533 /* return RSS table */
534 if (indir)
535 err = enetc_get_rss_table(priv->si, indir, priv->si->num_rss);
536
537 return err;
538 }
539
enetc_set_rss_key(struct enetc_hw * hw,const u8 * bytes)540 void enetc_set_rss_key(struct enetc_hw *hw, const u8 *bytes)
541 {
542 int i;
543
544 for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++)
545 enetc_port_wr(hw, ENETC_PRSSK(i), ((u32 *)bytes)[i]);
546 }
547
enetc_set_rxfh(struct net_device * ndev,const u32 * indir,const u8 * key,const u8 hfunc)548 static int enetc_set_rxfh(struct net_device *ndev, const u32 *indir,
549 const u8 *key, const u8 hfunc)
550 {
551 struct enetc_ndev_priv *priv = netdev_priv(ndev);
552 struct enetc_hw *hw = &priv->si->hw;
553 int err = 0;
554
555 /* set hash key, if PF */
556 if (key && hw->port)
557 enetc_set_rss_key(hw, key);
558
559 /* set RSS table */
560 if (indir)
561 err = enetc_set_rss_table(priv->si, indir, priv->si->num_rss);
562
563 return err;
564 }
565
enetc_get_ringparam(struct net_device * ndev,struct ethtool_ringparam * ring,struct kernel_ethtool_ringparam * kernel_ring,struct netlink_ext_ack * extack)566 static void enetc_get_ringparam(struct net_device *ndev,
567 struct ethtool_ringparam *ring,
568 struct kernel_ethtool_ringparam *kernel_ring,
569 struct netlink_ext_ack *extack)
570 {
571 struct enetc_ndev_priv *priv = netdev_priv(ndev);
572
573 ring->rx_pending = priv->rx_bd_count;
574 ring->tx_pending = priv->tx_bd_count;
575
576 /* do some h/w sanity checks for BDR length */
577 if (netif_running(ndev)) {
578 struct enetc_hw *hw = &priv->si->hw;
579 u32 val = enetc_rxbdr_rd(hw, 0, ENETC_RBLENR);
580
581 if (val != priv->rx_bd_count)
582 netif_err(priv, hw, ndev, "RxBDR[RBLENR] = %d!\n", val);
583
584 val = enetc_txbdr_rd(hw, 0, ENETC_TBLENR);
585
586 if (val != priv->tx_bd_count)
587 netif_err(priv, hw, ndev, "TxBDR[TBLENR] = %d!\n", val);
588 }
589 }
590
enetc_get_coalesce(struct net_device * ndev,struct ethtool_coalesce * ic,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)591 static int enetc_get_coalesce(struct net_device *ndev,
592 struct ethtool_coalesce *ic,
593 struct kernel_ethtool_coalesce *kernel_coal,
594 struct netlink_ext_ack *extack)
595 {
596 struct enetc_ndev_priv *priv = netdev_priv(ndev);
597 struct enetc_int_vector *v = priv->int_vector[0];
598
599 ic->tx_coalesce_usecs = enetc_cycles_to_usecs(priv->tx_ictt);
600 ic->rx_coalesce_usecs = enetc_cycles_to_usecs(v->rx_ictt);
601
602 ic->tx_max_coalesced_frames = ENETC_TXIC_PKTTHR;
603 ic->rx_max_coalesced_frames = ENETC_RXIC_PKTTHR;
604
605 ic->use_adaptive_rx_coalesce = priv->ic_mode & ENETC_IC_RX_ADAPTIVE;
606
607 return 0;
608 }
609
enetc_set_coalesce(struct net_device * ndev,struct ethtool_coalesce * ic,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)610 static int enetc_set_coalesce(struct net_device *ndev,
611 struct ethtool_coalesce *ic,
612 struct kernel_ethtool_coalesce *kernel_coal,
613 struct netlink_ext_ack *extack)
614 {
615 struct enetc_ndev_priv *priv = netdev_priv(ndev);
616 u32 rx_ictt, tx_ictt;
617 int i, ic_mode;
618 bool changed;
619
620 tx_ictt = enetc_usecs_to_cycles(ic->tx_coalesce_usecs);
621 rx_ictt = enetc_usecs_to_cycles(ic->rx_coalesce_usecs);
622
623 if (ic->rx_max_coalesced_frames != ENETC_RXIC_PKTTHR)
624 return -EOPNOTSUPP;
625
626 if (ic->tx_max_coalesced_frames != ENETC_TXIC_PKTTHR)
627 return -EOPNOTSUPP;
628
629 ic_mode = ENETC_IC_NONE;
630 if (ic->use_adaptive_rx_coalesce) {
631 ic_mode |= ENETC_IC_RX_ADAPTIVE;
632 rx_ictt = 0x1;
633 } else {
634 ic_mode |= rx_ictt ? ENETC_IC_RX_MANUAL : 0;
635 }
636
637 ic_mode |= tx_ictt ? ENETC_IC_TX_MANUAL : 0;
638
639 /* commit the settings */
640 changed = (ic_mode != priv->ic_mode) || (priv->tx_ictt != tx_ictt);
641
642 priv->ic_mode = ic_mode;
643 priv->tx_ictt = tx_ictt;
644
645 for (i = 0; i < priv->bdr_int_num; i++) {
646 struct enetc_int_vector *v = priv->int_vector[i];
647
648 v->rx_ictt = rx_ictt;
649 v->rx_dim_en = !!(ic_mode & ENETC_IC_RX_ADAPTIVE);
650 }
651
652 if (netif_running(ndev) && changed) {
653 /* reconfigure the operation mode of h/w interrupts,
654 * traffic needs to be paused in the process
655 */
656 enetc_stop(ndev);
657 enetc_start(ndev);
658 }
659
660 return 0;
661 }
662
enetc_get_ts_info(struct net_device * ndev,struct ethtool_ts_info * info)663 static int enetc_get_ts_info(struct net_device *ndev,
664 struct ethtool_ts_info *info)
665 {
666 int *phc_idx;
667
668 phc_idx = symbol_get(enetc_phc_index);
669 if (phc_idx) {
670 info->phc_index = *phc_idx;
671 symbol_put(enetc_phc_index);
672 } else {
673 info->phc_index = -1;
674 }
675
676 #ifdef CONFIG_FSL_ENETC_PTP_CLOCK
677 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
678 SOF_TIMESTAMPING_RX_HARDWARE |
679 SOF_TIMESTAMPING_RAW_HARDWARE |
680 SOF_TIMESTAMPING_TX_SOFTWARE |
681 SOF_TIMESTAMPING_RX_SOFTWARE |
682 SOF_TIMESTAMPING_SOFTWARE;
683
684 info->tx_types = (1 << HWTSTAMP_TX_OFF) |
685 (1 << HWTSTAMP_TX_ON) |
686 (1 << HWTSTAMP_TX_ONESTEP_SYNC);
687 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
688 (1 << HWTSTAMP_FILTER_ALL);
689 #else
690 info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE |
691 SOF_TIMESTAMPING_TX_SOFTWARE |
692 SOF_TIMESTAMPING_SOFTWARE;
693 #endif
694 return 0;
695 }
696
enetc_get_wol(struct net_device * dev,struct ethtool_wolinfo * wol)697 static void enetc_get_wol(struct net_device *dev,
698 struct ethtool_wolinfo *wol)
699 {
700 wol->supported = 0;
701 wol->wolopts = 0;
702
703 if (dev->phydev)
704 phy_ethtool_get_wol(dev->phydev, wol);
705 }
706
enetc_set_wol(struct net_device * dev,struct ethtool_wolinfo * wol)707 static int enetc_set_wol(struct net_device *dev,
708 struct ethtool_wolinfo *wol)
709 {
710 int ret;
711
712 if (!dev->phydev)
713 return -EOPNOTSUPP;
714
715 ret = phy_ethtool_set_wol(dev->phydev, wol);
716 if (!ret)
717 device_set_wakeup_enable(&dev->dev, wol->wolopts);
718
719 return ret;
720 }
721
enetc_get_pauseparam(struct net_device * dev,struct ethtool_pauseparam * pause)722 static void enetc_get_pauseparam(struct net_device *dev,
723 struct ethtool_pauseparam *pause)
724 {
725 struct enetc_ndev_priv *priv = netdev_priv(dev);
726
727 phylink_ethtool_get_pauseparam(priv->phylink, pause);
728 }
729
enetc_set_pauseparam(struct net_device * dev,struct ethtool_pauseparam * pause)730 static int enetc_set_pauseparam(struct net_device *dev,
731 struct ethtool_pauseparam *pause)
732 {
733 struct enetc_ndev_priv *priv = netdev_priv(dev);
734
735 return phylink_ethtool_set_pauseparam(priv->phylink, pause);
736 }
737
enetc_get_link_ksettings(struct net_device * dev,struct ethtool_link_ksettings * cmd)738 static int enetc_get_link_ksettings(struct net_device *dev,
739 struct ethtool_link_ksettings *cmd)
740 {
741 struct enetc_ndev_priv *priv = netdev_priv(dev);
742
743 if (!priv->phylink)
744 return -EOPNOTSUPP;
745
746 return phylink_ethtool_ksettings_get(priv->phylink, cmd);
747 }
748
enetc_set_link_ksettings(struct net_device * dev,const struct ethtool_link_ksettings * cmd)749 static int enetc_set_link_ksettings(struct net_device *dev,
750 const struct ethtool_link_ksettings *cmd)
751 {
752 struct enetc_ndev_priv *priv = netdev_priv(dev);
753
754 if (!priv->phylink)
755 return -EOPNOTSUPP;
756
757 return phylink_ethtool_ksettings_set(priv->phylink, cmd);
758 }
759
760 static const struct ethtool_ops enetc_pf_ethtool_ops = {
761 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
762 ETHTOOL_COALESCE_MAX_FRAMES |
763 ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
764 .get_regs_len = enetc_get_reglen,
765 .get_regs = enetc_get_regs,
766 .get_sset_count = enetc_get_sset_count,
767 .get_strings = enetc_get_strings,
768 .get_ethtool_stats = enetc_get_ethtool_stats,
769 .get_rxnfc = enetc_get_rxnfc,
770 .set_rxnfc = enetc_set_rxnfc,
771 .get_rxfh_key_size = enetc_get_rxfh_key_size,
772 .get_rxfh_indir_size = enetc_get_rxfh_indir_size,
773 .get_rxfh = enetc_get_rxfh,
774 .set_rxfh = enetc_set_rxfh,
775 .get_ringparam = enetc_get_ringparam,
776 .get_coalesce = enetc_get_coalesce,
777 .set_coalesce = enetc_set_coalesce,
778 .get_link_ksettings = enetc_get_link_ksettings,
779 .set_link_ksettings = enetc_set_link_ksettings,
780 .get_link = ethtool_op_get_link,
781 .get_ts_info = enetc_get_ts_info,
782 .get_wol = enetc_get_wol,
783 .set_wol = enetc_set_wol,
784 .get_pauseparam = enetc_get_pauseparam,
785 .set_pauseparam = enetc_set_pauseparam,
786 };
787
788 static const struct ethtool_ops enetc_vf_ethtool_ops = {
789 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
790 ETHTOOL_COALESCE_MAX_FRAMES |
791 ETHTOOL_COALESCE_USE_ADAPTIVE_RX,
792 .get_regs_len = enetc_get_reglen,
793 .get_regs = enetc_get_regs,
794 .get_sset_count = enetc_get_sset_count,
795 .get_strings = enetc_get_strings,
796 .get_ethtool_stats = enetc_get_ethtool_stats,
797 .get_rxnfc = enetc_get_rxnfc,
798 .set_rxnfc = enetc_set_rxnfc,
799 .get_rxfh_indir_size = enetc_get_rxfh_indir_size,
800 .get_rxfh = enetc_get_rxfh,
801 .set_rxfh = enetc_set_rxfh,
802 .get_ringparam = enetc_get_ringparam,
803 .get_coalesce = enetc_get_coalesce,
804 .set_coalesce = enetc_set_coalesce,
805 .get_link = ethtool_op_get_link,
806 .get_ts_info = enetc_get_ts_info,
807 };
808
enetc_set_ethtool_ops(struct net_device * ndev)809 void enetc_set_ethtool_ops(struct net_device *ndev)
810 {
811 struct enetc_ndev_priv *priv = netdev_priv(ndev);
812
813 if (enetc_si_is_pf(priv->si))
814 ndev->ethtool_ops = &enetc_pf_ethtool_ops;
815 else
816 ndev->ethtool_ops = &enetc_vf_ethtool_ops;
817 }
818