1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) 2 /* Copyright 2014-2016 Freescale Semiconductor Inc. 3 * Copyright 2016 NXP 4 */ 5 6 #include <linux/net_tstamp.h> 7 #include <linux/nospec.h> 8 9 #include "dpni.h" /* DPNI_LINK_OPT_* */ 10 #include "dpaa2-eth.h" 11 12 /* To be kept in sync with DPNI statistics */ 13 static char dpaa2_ethtool_stats[][ETH_GSTRING_LEN] = { 14 "[hw] rx frames", 15 "[hw] rx bytes", 16 "[hw] rx mcast frames", 17 "[hw] rx mcast bytes", 18 "[hw] rx bcast frames", 19 "[hw] rx bcast bytes", 20 "[hw] tx frames", 21 "[hw] tx bytes", 22 "[hw] tx mcast frames", 23 "[hw] tx mcast bytes", 24 "[hw] tx bcast frames", 25 "[hw] tx bcast bytes", 26 "[hw] rx filtered frames", 27 "[hw] rx discarded frames", 28 "[hw] rx nobuffer discards", 29 "[hw] tx discarded frames", 30 "[hw] tx confirmed frames", 31 }; 32 33 #define DPAA2_ETH_NUM_STATS ARRAY_SIZE(dpaa2_ethtool_stats) 34 35 static char dpaa2_ethtool_extras[][ETH_GSTRING_LEN] = { 36 /* per-cpu stats */ 37 "[drv] tx conf frames", 38 "[drv] tx conf bytes", 39 "[drv] tx sg frames", 40 "[drv] tx sg bytes", 41 "[drv] tx realloc frames", 42 "[drv] rx sg frames", 43 "[drv] rx sg bytes", 44 "[drv] enqueue portal busy", 45 /* Channel stats */ 46 "[drv] dequeue portal busy", 47 "[drv] channel pull errors", 48 "[drv] cdan", 49 "[drv] xdp drop", 50 "[drv] xdp tx", 51 "[drv] xdp tx errors", 52 "[drv] xdp redirect", 53 /* FQ stats */ 54 "[qbman] rx pending frames", 55 "[qbman] rx pending bytes", 56 "[qbman] tx conf pending frames", 57 "[qbman] tx conf pending bytes", 58 "[qbman] buffer count", 59 }; 60 61 #define DPAA2_ETH_NUM_EXTRA_STATS ARRAY_SIZE(dpaa2_ethtool_extras) 62 63 static void dpaa2_eth_get_drvinfo(struct net_device *net_dev, 64 struct ethtool_drvinfo *drvinfo) 65 { 66 struct dpaa2_eth_priv *priv = netdev_priv(net_dev); 67 68 strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 69 70 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 71 "%u.%u", priv->dpni_ver_major, priv->dpni_ver_minor); 72 73 strlcpy(drvinfo->bus_info, dev_name(net_dev->dev.parent->parent), 74 sizeof(drvinfo->bus_info)); 75 } 76 77 static int 78 dpaa2_eth_get_link_ksettings(struct net_device *net_dev, 79 struct ethtool_link_ksettings *link_settings) 80 { 81 struct dpaa2_eth_priv *priv = netdev_priv(net_dev); 82 83 link_settings->base.autoneg = AUTONEG_DISABLE; 84 if (!(priv->link_state.options & DPNI_LINK_OPT_HALF_DUPLEX)) 85 link_settings->base.duplex = DUPLEX_FULL; 86 link_settings->base.speed = priv->link_state.rate; 87 88 return 0; 89 } 90 91 static void dpaa2_eth_get_pauseparam(struct net_device *net_dev, 92 struct ethtool_pauseparam *pause) 93 { 94 struct dpaa2_eth_priv *priv = netdev_priv(net_dev); 95 u64 link_options = priv->link_state.options; 96 97 pause->rx_pause = !!(link_options & DPNI_LINK_OPT_PAUSE); 98 pause->tx_pause = pause->rx_pause ^ 99 !!(link_options & DPNI_LINK_OPT_ASYM_PAUSE); 100 pause->autoneg = AUTONEG_DISABLE; 101 } 102 103 static int dpaa2_eth_set_pauseparam(struct net_device *net_dev, 104 struct ethtool_pauseparam *pause) 105 { 106 struct dpaa2_eth_priv *priv = netdev_priv(net_dev); 107 struct dpni_link_cfg cfg = {0}; 108 int err; 109 110 if (!dpaa2_eth_has_pause_support(priv)) { 111 netdev_info(net_dev, "No pause frame support for DPNI version < %d.%d\n", 112 DPNI_PAUSE_VER_MAJOR, DPNI_PAUSE_VER_MINOR); 113 return -EOPNOTSUPP; 114 } 115 116 if (pause->autoneg) 117 return -EOPNOTSUPP; 118 119 cfg.rate = priv->link_state.rate; 120 cfg.options = priv->link_state.options; 121 if (pause->rx_pause) 122 cfg.options |= DPNI_LINK_OPT_PAUSE; 123 else 124 cfg.options &= ~DPNI_LINK_OPT_PAUSE; 125 if (!!pause->rx_pause ^ !!pause->tx_pause) 126 cfg.options |= DPNI_LINK_OPT_ASYM_PAUSE; 127 else 128 cfg.options &= ~DPNI_LINK_OPT_ASYM_PAUSE; 129 130 if (cfg.options == priv->link_state.options) 131 return 0; 132 133 err = dpni_set_link_cfg(priv->mc_io, 0, priv->mc_token, &cfg); 134 if (err) { 135 netdev_err(net_dev, "dpni_set_link_state failed\n"); 136 return err; 137 } 138 139 priv->link_state.options = cfg.options; 140 141 return 0; 142 } 143 144 static void dpaa2_eth_get_strings(struct net_device *netdev, u32 stringset, 145 u8 *data) 146 { 147 u8 *p = data; 148 int i; 149 150 switch (stringset) { 151 case ETH_SS_STATS: 152 for (i = 0; i < DPAA2_ETH_NUM_STATS; i++) { 153 strlcpy(p, dpaa2_ethtool_stats[i], ETH_GSTRING_LEN); 154 p += ETH_GSTRING_LEN; 155 } 156 for (i = 0; i < DPAA2_ETH_NUM_EXTRA_STATS; i++) { 157 strlcpy(p, dpaa2_ethtool_extras[i], ETH_GSTRING_LEN); 158 p += ETH_GSTRING_LEN; 159 } 160 break; 161 } 162 } 163 164 static int dpaa2_eth_get_sset_count(struct net_device *net_dev, int sset) 165 { 166 switch (sset) { 167 case ETH_SS_STATS: /* ethtool_get_stats(), ethtool_get_drvinfo() */ 168 return DPAA2_ETH_NUM_STATS + DPAA2_ETH_NUM_EXTRA_STATS; 169 default: 170 return -EOPNOTSUPP; 171 } 172 } 173 174 /** Fill in hardware counters, as returned by MC. 175 */ 176 static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev, 177 struct ethtool_stats *stats, 178 u64 *data) 179 { 180 int i = 0; 181 int j, k, err; 182 int num_cnt; 183 union dpni_statistics dpni_stats; 184 u32 fcnt, bcnt; 185 u32 fcnt_rx_total = 0, fcnt_tx_total = 0; 186 u32 bcnt_rx_total = 0, bcnt_tx_total = 0; 187 u32 buf_cnt; 188 struct dpaa2_eth_priv *priv = netdev_priv(net_dev); 189 struct dpaa2_eth_drv_stats *extras; 190 struct dpaa2_eth_ch_stats *ch_stats; 191 int dpni_stats_page_size[DPNI_STATISTICS_CNT] = { 192 sizeof(dpni_stats.page_0), 193 sizeof(dpni_stats.page_1), 194 sizeof(dpni_stats.page_2), 195 }; 196 197 memset(data, 0, 198 sizeof(u64) * (DPAA2_ETH_NUM_STATS + DPAA2_ETH_NUM_EXTRA_STATS)); 199 200 /* Print standard counters, from DPNI statistics */ 201 for (j = 0; j <= 2; j++) { 202 err = dpni_get_statistics(priv->mc_io, 0, priv->mc_token, 203 j, &dpni_stats); 204 if (err != 0) 205 netdev_warn(net_dev, "dpni_get_stats(%d) failed\n", j); 206 207 num_cnt = dpni_stats_page_size[j] / sizeof(u64); 208 for (k = 0; k < num_cnt; k++) 209 *(data + i++) = dpni_stats.raw.counter[k]; 210 } 211 212 /* Print per-cpu extra stats */ 213 for_each_online_cpu(k) { 214 extras = per_cpu_ptr(priv->percpu_extras, k); 215 for (j = 0; j < sizeof(*extras) / sizeof(__u64); j++) 216 *((__u64 *)data + i + j) += *((__u64 *)extras + j); 217 } 218 i += j; 219 220 /* Per-channel stats */ 221 for (k = 0; k < priv->num_channels; k++) { 222 ch_stats = &priv->channel[k]->stats; 223 for (j = 0; j < sizeof(*ch_stats) / sizeof(__u64); j++) 224 *((__u64 *)data + i + j) += *((__u64 *)ch_stats + j); 225 } 226 i += j; 227 228 for (j = 0; j < priv->num_fqs; j++) { 229 /* Print FQ instantaneous counts */ 230 err = dpaa2_io_query_fq_count(NULL, priv->fq[j].fqid, 231 &fcnt, &bcnt); 232 if (err) { 233 netdev_warn(net_dev, "FQ query error %d", err); 234 return; 235 } 236 237 if (priv->fq[j].type == DPAA2_TX_CONF_FQ) { 238 fcnt_tx_total += fcnt; 239 bcnt_tx_total += bcnt; 240 } else { 241 fcnt_rx_total += fcnt; 242 bcnt_rx_total += bcnt; 243 } 244 } 245 246 *(data + i++) = fcnt_rx_total; 247 *(data + i++) = bcnt_rx_total; 248 *(data + i++) = fcnt_tx_total; 249 *(data + i++) = bcnt_tx_total; 250 251 err = dpaa2_io_query_bp_count(NULL, priv->bpid, &buf_cnt); 252 if (err) { 253 netdev_warn(net_dev, "Buffer count query error %d\n", err); 254 return; 255 } 256 *(data + i++) = buf_cnt; 257 } 258 259 static int prep_eth_rule(struct ethhdr *eth_value, struct ethhdr *eth_mask, 260 void *key, void *mask, u64 *fields) 261 { 262 int off; 263 264 if (eth_mask->h_proto) { 265 off = dpaa2_eth_cls_fld_off(NET_PROT_ETH, NH_FLD_ETH_TYPE); 266 *(__be16 *)(key + off) = eth_value->h_proto; 267 *(__be16 *)(mask + off) = eth_mask->h_proto; 268 *fields |= DPAA2_ETH_DIST_ETHTYPE; 269 } 270 271 if (!is_zero_ether_addr(eth_mask->h_source)) { 272 off = dpaa2_eth_cls_fld_off(NET_PROT_ETH, NH_FLD_ETH_SA); 273 ether_addr_copy(key + off, eth_value->h_source); 274 ether_addr_copy(mask + off, eth_mask->h_source); 275 *fields |= DPAA2_ETH_DIST_ETHSRC; 276 } 277 278 if (!is_zero_ether_addr(eth_mask->h_dest)) { 279 off = dpaa2_eth_cls_fld_off(NET_PROT_ETH, NH_FLD_ETH_DA); 280 ether_addr_copy(key + off, eth_value->h_dest); 281 ether_addr_copy(mask + off, eth_mask->h_dest); 282 *fields |= DPAA2_ETH_DIST_ETHDST; 283 } 284 285 return 0; 286 } 287 288 static int prep_uip_rule(struct ethtool_usrip4_spec *uip_value, 289 struct ethtool_usrip4_spec *uip_mask, 290 void *key, void *mask, u64 *fields) 291 { 292 int off; 293 u32 tmp_value, tmp_mask; 294 295 if (uip_mask->tos || uip_mask->ip_ver) 296 return -EOPNOTSUPP; 297 298 if (uip_mask->ip4src) { 299 off = dpaa2_eth_cls_fld_off(NET_PROT_IP, NH_FLD_IP_SRC); 300 *(__be32 *)(key + off) = uip_value->ip4src; 301 *(__be32 *)(mask + off) = uip_mask->ip4src; 302 *fields |= DPAA2_ETH_DIST_IPSRC; 303 } 304 305 if (uip_mask->ip4dst) { 306 off = dpaa2_eth_cls_fld_off(NET_PROT_IP, NH_FLD_IP_DST); 307 *(__be32 *)(key + off) = uip_value->ip4dst; 308 *(__be32 *)(mask + off) = uip_mask->ip4dst; 309 *fields |= DPAA2_ETH_DIST_IPDST; 310 } 311 312 if (uip_mask->proto) { 313 off = dpaa2_eth_cls_fld_off(NET_PROT_IP, NH_FLD_IP_PROTO); 314 *(u8 *)(key + off) = uip_value->proto; 315 *(u8 *)(mask + off) = uip_mask->proto; 316 *fields |= DPAA2_ETH_DIST_IPPROTO; 317 } 318 319 if (uip_mask->l4_4_bytes) { 320 tmp_value = be32_to_cpu(uip_value->l4_4_bytes); 321 tmp_mask = be32_to_cpu(uip_mask->l4_4_bytes); 322 323 off = dpaa2_eth_cls_fld_off(NET_PROT_UDP, NH_FLD_UDP_PORT_SRC); 324 *(__be16 *)(key + off) = htons(tmp_value >> 16); 325 *(__be16 *)(mask + off) = htons(tmp_mask >> 16); 326 *fields |= DPAA2_ETH_DIST_L4SRC; 327 328 off = dpaa2_eth_cls_fld_off(NET_PROT_UDP, NH_FLD_UDP_PORT_DST); 329 *(__be16 *)(key + off) = htons(tmp_value & 0xFFFF); 330 *(__be16 *)(mask + off) = htons(tmp_mask & 0xFFFF); 331 *fields |= DPAA2_ETH_DIST_L4DST; 332 } 333 334 /* Only apply the rule for IPv4 frames */ 335 off = dpaa2_eth_cls_fld_off(NET_PROT_ETH, NH_FLD_ETH_TYPE); 336 *(__be16 *)(key + off) = htons(ETH_P_IP); 337 *(__be16 *)(mask + off) = htons(0xFFFF); 338 *fields |= DPAA2_ETH_DIST_ETHTYPE; 339 340 return 0; 341 } 342 343 static int prep_l4_rule(struct ethtool_tcpip4_spec *l4_value, 344 struct ethtool_tcpip4_spec *l4_mask, 345 void *key, void *mask, u8 l4_proto, u64 *fields) 346 { 347 int off; 348 349 if (l4_mask->tos) 350 return -EOPNOTSUPP; 351 352 if (l4_mask->ip4src) { 353 off = dpaa2_eth_cls_fld_off(NET_PROT_IP, NH_FLD_IP_SRC); 354 *(__be32 *)(key + off) = l4_value->ip4src; 355 *(__be32 *)(mask + off) = l4_mask->ip4src; 356 *fields |= DPAA2_ETH_DIST_IPSRC; 357 } 358 359 if (l4_mask->ip4dst) { 360 off = dpaa2_eth_cls_fld_off(NET_PROT_IP, NH_FLD_IP_DST); 361 *(__be32 *)(key + off) = l4_value->ip4dst; 362 *(__be32 *)(mask + off) = l4_mask->ip4dst; 363 *fields |= DPAA2_ETH_DIST_IPDST; 364 } 365 366 if (l4_mask->psrc) { 367 off = dpaa2_eth_cls_fld_off(NET_PROT_UDP, NH_FLD_UDP_PORT_SRC); 368 *(__be16 *)(key + off) = l4_value->psrc; 369 *(__be16 *)(mask + off) = l4_mask->psrc; 370 *fields |= DPAA2_ETH_DIST_L4SRC; 371 } 372 373 if (l4_mask->pdst) { 374 off = dpaa2_eth_cls_fld_off(NET_PROT_UDP, NH_FLD_UDP_PORT_DST); 375 *(__be16 *)(key + off) = l4_value->pdst; 376 *(__be16 *)(mask + off) = l4_mask->pdst; 377 *fields |= DPAA2_ETH_DIST_L4DST; 378 } 379 380 /* Only apply the rule for IPv4 frames with the specified L4 proto */ 381 off = dpaa2_eth_cls_fld_off(NET_PROT_ETH, NH_FLD_ETH_TYPE); 382 *(__be16 *)(key + off) = htons(ETH_P_IP); 383 *(__be16 *)(mask + off) = htons(0xFFFF); 384 *fields |= DPAA2_ETH_DIST_ETHTYPE; 385 386 off = dpaa2_eth_cls_fld_off(NET_PROT_IP, NH_FLD_IP_PROTO); 387 *(u8 *)(key + off) = l4_proto; 388 *(u8 *)(mask + off) = 0xFF; 389 *fields |= DPAA2_ETH_DIST_IPPROTO; 390 391 return 0; 392 } 393 394 static int prep_ext_rule(struct ethtool_flow_ext *ext_value, 395 struct ethtool_flow_ext *ext_mask, 396 void *key, void *mask, u64 *fields) 397 { 398 int off; 399 400 if (ext_mask->vlan_etype) 401 return -EOPNOTSUPP; 402 403 if (ext_mask->vlan_tci) { 404 off = dpaa2_eth_cls_fld_off(NET_PROT_VLAN, NH_FLD_VLAN_TCI); 405 *(__be16 *)(key + off) = ext_value->vlan_tci; 406 *(__be16 *)(mask + off) = ext_mask->vlan_tci; 407 *fields |= DPAA2_ETH_DIST_VLAN; 408 } 409 410 return 0; 411 } 412 413 static int prep_mac_ext_rule(struct ethtool_flow_ext *ext_value, 414 struct ethtool_flow_ext *ext_mask, 415 void *key, void *mask, u64 *fields) 416 { 417 int off; 418 419 if (!is_zero_ether_addr(ext_mask->h_dest)) { 420 off = dpaa2_eth_cls_fld_off(NET_PROT_ETH, NH_FLD_ETH_DA); 421 ether_addr_copy(key + off, ext_value->h_dest); 422 ether_addr_copy(mask + off, ext_mask->h_dest); 423 *fields |= DPAA2_ETH_DIST_ETHDST; 424 } 425 426 return 0; 427 } 428 429 static int prep_cls_rule(struct ethtool_rx_flow_spec *fs, void *key, void *mask, 430 u64 *fields) 431 { 432 int err; 433 434 switch (fs->flow_type & 0xFF) { 435 case ETHER_FLOW: 436 err = prep_eth_rule(&fs->h_u.ether_spec, &fs->m_u.ether_spec, 437 key, mask, fields); 438 break; 439 case IP_USER_FLOW: 440 err = prep_uip_rule(&fs->h_u.usr_ip4_spec, 441 &fs->m_u.usr_ip4_spec, key, mask, fields); 442 break; 443 case TCP_V4_FLOW: 444 err = prep_l4_rule(&fs->h_u.tcp_ip4_spec, &fs->m_u.tcp_ip4_spec, 445 key, mask, IPPROTO_TCP, fields); 446 break; 447 case UDP_V4_FLOW: 448 err = prep_l4_rule(&fs->h_u.udp_ip4_spec, &fs->m_u.udp_ip4_spec, 449 key, mask, IPPROTO_UDP, fields); 450 break; 451 case SCTP_V4_FLOW: 452 err = prep_l4_rule(&fs->h_u.sctp_ip4_spec, 453 &fs->m_u.sctp_ip4_spec, key, mask, 454 IPPROTO_SCTP, fields); 455 break; 456 default: 457 return -EOPNOTSUPP; 458 } 459 460 if (err) 461 return err; 462 463 if (fs->flow_type & FLOW_EXT) { 464 err = prep_ext_rule(&fs->h_ext, &fs->m_ext, key, mask, fields); 465 if (err) 466 return err; 467 } 468 469 if (fs->flow_type & FLOW_MAC_EXT) { 470 err = prep_mac_ext_rule(&fs->h_ext, &fs->m_ext, key, mask, 471 fields); 472 if (err) 473 return err; 474 } 475 476 return 0; 477 } 478 479 static int do_cls_rule(struct net_device *net_dev, 480 struct ethtool_rx_flow_spec *fs, 481 bool add) 482 { 483 struct dpaa2_eth_priv *priv = netdev_priv(net_dev); 484 struct device *dev = net_dev->dev.parent; 485 struct dpni_rule_cfg rule_cfg = { 0 }; 486 struct dpni_fs_action_cfg fs_act = { 0 }; 487 dma_addr_t key_iova; 488 u64 fields = 0; 489 void *key_buf; 490 int err; 491 492 if (fs->ring_cookie != RX_CLS_FLOW_DISC && 493 fs->ring_cookie >= dpaa2_eth_queue_count(priv)) 494 return -EINVAL; 495 496 rule_cfg.key_size = dpaa2_eth_cls_key_size(DPAA2_ETH_DIST_ALL); 497 498 /* allocate twice the key size, for the actual key and for mask */ 499 key_buf = kzalloc(rule_cfg.key_size * 2, GFP_KERNEL); 500 if (!key_buf) 501 return -ENOMEM; 502 503 /* Fill the key and mask memory areas */ 504 err = prep_cls_rule(fs, key_buf, key_buf + rule_cfg.key_size, &fields); 505 if (err) 506 goto free_mem; 507 508 if (!dpaa2_eth_fs_mask_enabled(priv)) { 509 /* Masking allows us to configure a maximal key during init and 510 * use it for all flow steering rules. Without it, we include 511 * in the key only the fields actually used, so we need to 512 * extract the others from the final key buffer. 513 * 514 * Program the FS key if needed, or return error if previously 515 * set key can't be used for the current rule. User needs to 516 * delete existing rules in this case to allow for the new one. 517 */ 518 if (!priv->rx_cls_fields) { 519 err = dpaa2_eth_set_cls(net_dev, fields); 520 if (err) 521 goto free_mem; 522 523 priv->rx_cls_fields = fields; 524 } else if (priv->rx_cls_fields != fields) { 525 netdev_err(net_dev, "No support for multiple FS keys, need to delete existing rules\n"); 526 err = -EOPNOTSUPP; 527 goto free_mem; 528 } 529 530 dpaa2_eth_cls_trim_rule(key_buf, fields); 531 rule_cfg.key_size = dpaa2_eth_cls_key_size(fields); 532 } 533 534 key_iova = dma_map_single(dev, key_buf, rule_cfg.key_size * 2, 535 DMA_TO_DEVICE); 536 if (dma_mapping_error(dev, key_iova)) { 537 err = -ENOMEM; 538 goto free_mem; 539 } 540 541 rule_cfg.key_iova = key_iova; 542 if (dpaa2_eth_fs_mask_enabled(priv)) 543 rule_cfg.mask_iova = key_iova + rule_cfg.key_size; 544 545 if (add) { 546 if (fs->ring_cookie == RX_CLS_FLOW_DISC) 547 fs_act.options |= DPNI_FS_OPT_DISCARD; 548 else 549 fs_act.flow_id = fs->ring_cookie; 550 err = dpni_add_fs_entry(priv->mc_io, 0, priv->mc_token, 0, 551 fs->location, &rule_cfg, &fs_act); 552 } else { 553 err = dpni_remove_fs_entry(priv->mc_io, 0, priv->mc_token, 0, 554 &rule_cfg); 555 } 556 557 dma_unmap_single(dev, key_iova, rule_cfg.key_size * 2, DMA_TO_DEVICE); 558 559 free_mem: 560 kfree(key_buf); 561 562 return err; 563 } 564 565 static int num_rules(struct dpaa2_eth_priv *priv) 566 { 567 int i, rules = 0; 568 569 for (i = 0; i < dpaa2_eth_fs_count(priv); i++) 570 if (priv->cls_rules[i].in_use) 571 rules++; 572 573 return rules; 574 } 575 576 static int update_cls_rule(struct net_device *net_dev, 577 struct ethtool_rx_flow_spec *new_fs, 578 int location) 579 { 580 struct dpaa2_eth_priv *priv = netdev_priv(net_dev); 581 struct dpaa2_eth_cls_rule *rule; 582 int err = -EINVAL; 583 584 if (!priv->rx_cls_enabled) 585 return -EOPNOTSUPP; 586 587 if (location >= dpaa2_eth_fs_count(priv)) 588 return -EINVAL; 589 590 rule = &priv->cls_rules[location]; 591 592 /* If a rule is present at the specified location, delete it. */ 593 if (rule->in_use) { 594 err = do_cls_rule(net_dev, &rule->fs, false); 595 if (err) 596 return err; 597 598 rule->in_use = 0; 599 600 if (!dpaa2_eth_fs_mask_enabled(priv) && !num_rules(priv)) 601 priv->rx_cls_fields = 0; 602 } 603 604 /* If no new entry to add, return here */ 605 if (!new_fs) 606 return err; 607 608 err = do_cls_rule(net_dev, new_fs, true); 609 if (err) 610 return err; 611 612 rule->in_use = 1; 613 rule->fs = *new_fs; 614 615 return 0; 616 } 617 618 static int dpaa2_eth_get_rxnfc(struct net_device *net_dev, 619 struct ethtool_rxnfc *rxnfc, u32 *rule_locs) 620 { 621 struct dpaa2_eth_priv *priv = netdev_priv(net_dev); 622 int max_rules = dpaa2_eth_fs_count(priv); 623 int i, j = 0; 624 625 switch (rxnfc->cmd) { 626 case ETHTOOL_GRXFH: 627 /* we purposely ignore cmd->flow_type for now, because the 628 * classifier only supports a single set of fields for all 629 * protocols 630 */ 631 rxnfc->data = priv->rx_hash_fields; 632 break; 633 case ETHTOOL_GRXRINGS: 634 rxnfc->data = dpaa2_eth_queue_count(priv); 635 break; 636 case ETHTOOL_GRXCLSRLCNT: 637 rxnfc->rule_cnt = 0; 638 rxnfc->rule_cnt = num_rules(priv); 639 rxnfc->data = max_rules; 640 break; 641 case ETHTOOL_GRXCLSRULE: 642 if (rxnfc->fs.location >= max_rules) 643 return -EINVAL; 644 rxnfc->fs.location = array_index_nospec(rxnfc->fs.location, 645 max_rules); 646 if (!priv->cls_rules[rxnfc->fs.location].in_use) 647 return -EINVAL; 648 rxnfc->fs = priv->cls_rules[rxnfc->fs.location].fs; 649 break; 650 case ETHTOOL_GRXCLSRLALL: 651 for (i = 0; i < max_rules; i++) { 652 if (!priv->cls_rules[i].in_use) 653 continue; 654 if (j == rxnfc->rule_cnt) 655 return -EMSGSIZE; 656 rule_locs[j++] = i; 657 } 658 rxnfc->rule_cnt = j; 659 rxnfc->data = max_rules; 660 break; 661 default: 662 return -EOPNOTSUPP; 663 } 664 665 return 0; 666 } 667 668 static int dpaa2_eth_set_rxnfc(struct net_device *net_dev, 669 struct ethtool_rxnfc *rxnfc) 670 { 671 int err = 0; 672 673 switch (rxnfc->cmd) { 674 case ETHTOOL_SRXFH: 675 if ((rxnfc->data & DPAA2_RXH_SUPPORTED) != rxnfc->data) 676 return -EOPNOTSUPP; 677 err = dpaa2_eth_set_hash(net_dev, rxnfc->data); 678 break; 679 case ETHTOOL_SRXCLSRLINS: 680 err = update_cls_rule(net_dev, &rxnfc->fs, rxnfc->fs.location); 681 break; 682 case ETHTOOL_SRXCLSRLDEL: 683 err = update_cls_rule(net_dev, NULL, rxnfc->fs.location); 684 break; 685 default: 686 err = -EOPNOTSUPP; 687 } 688 689 return err; 690 } 691 692 int dpaa2_phc_index = -1; 693 EXPORT_SYMBOL(dpaa2_phc_index); 694 695 static int dpaa2_eth_get_ts_info(struct net_device *dev, 696 struct ethtool_ts_info *info) 697 { 698 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | 699 SOF_TIMESTAMPING_RX_HARDWARE | 700 SOF_TIMESTAMPING_RAW_HARDWARE; 701 702 info->phc_index = dpaa2_phc_index; 703 704 info->tx_types = (1 << HWTSTAMP_TX_OFF) | 705 (1 << HWTSTAMP_TX_ON); 706 707 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | 708 (1 << HWTSTAMP_FILTER_ALL); 709 return 0; 710 } 711 712 const struct ethtool_ops dpaa2_ethtool_ops = { 713 .get_drvinfo = dpaa2_eth_get_drvinfo, 714 .get_link = ethtool_op_get_link, 715 .get_link_ksettings = dpaa2_eth_get_link_ksettings, 716 .get_pauseparam = dpaa2_eth_get_pauseparam, 717 .set_pauseparam = dpaa2_eth_set_pauseparam, 718 .get_sset_count = dpaa2_eth_get_sset_count, 719 .get_ethtool_stats = dpaa2_eth_get_ethtool_stats, 720 .get_strings = dpaa2_eth_get_strings, 721 .get_rxnfc = dpaa2_eth_get_rxnfc, 722 .set_rxnfc = dpaa2_eth_set_rxnfc, 723 .get_ts_info = dpaa2_eth_get_ts_info, 724 }; 725