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 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 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_R1518, "MAC rx 1024-1518 byte packets" }, 147 { ENETC_PM0_R1519X, "MAC rx 1519 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 frames" }, 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_T127, "MAC tx 65-127 byte packets" }, 167 { ENETC_PM0_T1023, "MAC tx 512-1023 byte packets" }, 168 { ENETC_PM0_T1518, "MAC tx 1024-1518 byte packets" }, 169 { ENETC_PM0_TCNP, "MAC tx control packets" }, 170 { ENETC_PM0_TDFR, "MAC tx deferred packets" }, 171 { ENETC_PM0_TMCOL, "MAC tx multiple collisions" }, 172 { ENETC_PM0_TSCOL, "MAC tx single collisions" }, 173 { ENETC_PM0_TLCOL, "MAC tx late collisions" }, 174 { ENETC_PM0_TECOL, "MAC tx excessive collisions" }, 175 { ENETC_UFDMF, "SI MAC nomatch u-cast discards" }, 176 { ENETC_MFDMF, "SI MAC nomatch m-cast discards" }, 177 { ENETC_PBFDSIR, "SI MAC nomatch b-cast discards" }, 178 { ENETC_PUFDVFR, "SI VLAN nomatch u-cast discards" }, 179 { ENETC_PMFDVFR, "SI VLAN nomatch m-cast discards" }, 180 { ENETC_PBFDVFR, "SI VLAN nomatch b-cast discards" }, 181 { ENETC_PFDMSAPR, "SI pruning discarded frames" }, 182 { ENETC_PICDR(0), "ICM DR0 discarded frames" }, 183 { ENETC_PICDR(1), "ICM DR1 discarded frames" }, 184 { ENETC_PICDR(2), "ICM DR2 discarded frames" }, 185 { ENETC_PICDR(3), "ICM DR3 discarded frames" }, 186 }; 187 188 static const char rx_ring_stats[][ETH_GSTRING_LEN] = { 189 "Rx ring %2d frames", 190 "Rx ring %2d alloc errors", 191 }; 192 193 static const char tx_ring_stats[][ETH_GSTRING_LEN] = { 194 "Tx ring %2d frames", 195 }; 196 197 static int enetc_get_sset_count(struct net_device *ndev, int sset) 198 { 199 struct enetc_ndev_priv *priv = netdev_priv(ndev); 200 int len; 201 202 if (sset != ETH_SS_STATS) 203 return -EOPNOTSUPP; 204 205 len = ARRAY_SIZE(enetc_si_counters) + 206 ARRAY_SIZE(tx_ring_stats) * priv->num_tx_rings + 207 ARRAY_SIZE(rx_ring_stats) * priv->num_rx_rings; 208 209 if (!enetc_si_is_pf(priv->si)) 210 return len; 211 212 len += ARRAY_SIZE(enetc_port_counters); 213 214 return len; 215 } 216 217 static void enetc_get_strings(struct net_device *ndev, u32 stringset, u8 *data) 218 { 219 struct enetc_ndev_priv *priv = netdev_priv(ndev); 220 u8 *p = data; 221 int i, j; 222 223 switch (stringset) { 224 case ETH_SS_STATS: 225 for (i = 0; i < ARRAY_SIZE(enetc_si_counters); i++) { 226 strlcpy(p, enetc_si_counters[i].name, ETH_GSTRING_LEN); 227 p += ETH_GSTRING_LEN; 228 } 229 for (i = 0; i < priv->num_tx_rings; i++) { 230 for (j = 0; j < ARRAY_SIZE(tx_ring_stats); j++) { 231 snprintf(p, ETH_GSTRING_LEN, tx_ring_stats[j], 232 i); 233 p += ETH_GSTRING_LEN; 234 } 235 } 236 for (i = 0; i < priv->num_rx_rings; i++) { 237 for (j = 0; j < ARRAY_SIZE(rx_ring_stats); j++) { 238 snprintf(p, ETH_GSTRING_LEN, rx_ring_stats[j], 239 i); 240 p += ETH_GSTRING_LEN; 241 } 242 } 243 244 if (!enetc_si_is_pf(priv->si)) 245 break; 246 247 for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++) { 248 strlcpy(p, enetc_port_counters[i].name, 249 ETH_GSTRING_LEN); 250 p += ETH_GSTRING_LEN; 251 } 252 break; 253 } 254 } 255 256 static void enetc_get_ethtool_stats(struct net_device *ndev, 257 struct ethtool_stats *stats, u64 *data) 258 { 259 struct enetc_ndev_priv *priv = netdev_priv(ndev); 260 struct enetc_hw *hw = &priv->si->hw; 261 int i, o = 0; 262 263 for (i = 0; i < ARRAY_SIZE(enetc_si_counters); i++) 264 data[o++] = enetc_rd64(hw, enetc_si_counters[i].reg); 265 266 for (i = 0; i < priv->num_tx_rings; i++) 267 data[o++] = priv->tx_ring[i]->stats.packets; 268 269 for (i = 0; i < priv->num_rx_rings; i++) { 270 data[o++] = priv->rx_ring[i]->stats.packets; 271 data[o++] = priv->rx_ring[i]->stats.rx_alloc_errs; 272 } 273 274 if (!enetc_si_is_pf(priv->si)) 275 return; 276 277 for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++) 278 data[o++] = enetc_port_rd(hw, enetc_port_counters[i].reg); 279 } 280 281 #define ENETC_RSSHASH_L3 (RXH_L2DA | RXH_VLAN | RXH_L3_PROTO | RXH_IP_SRC | \ 282 RXH_IP_DST) 283 #define ENETC_RSSHASH_L4 (ENETC_RSSHASH_L3 | RXH_L4_B_0_1 | RXH_L4_B_2_3) 284 static int enetc_get_rsshash(struct ethtool_rxnfc *rxnfc) 285 { 286 static const u32 rsshash[] = { 287 [TCP_V4_FLOW] = ENETC_RSSHASH_L4, 288 [UDP_V4_FLOW] = ENETC_RSSHASH_L4, 289 [SCTP_V4_FLOW] = ENETC_RSSHASH_L4, 290 [AH_ESP_V4_FLOW] = ENETC_RSSHASH_L3, 291 [IPV4_FLOW] = ENETC_RSSHASH_L3, 292 [TCP_V6_FLOW] = ENETC_RSSHASH_L4, 293 [UDP_V6_FLOW] = ENETC_RSSHASH_L4, 294 [SCTP_V6_FLOW] = ENETC_RSSHASH_L4, 295 [AH_ESP_V6_FLOW] = ENETC_RSSHASH_L3, 296 [IPV6_FLOW] = ENETC_RSSHASH_L3, 297 [ETHER_FLOW] = 0, 298 }; 299 300 if (rxnfc->flow_type >= ARRAY_SIZE(rsshash)) 301 return -EINVAL; 302 303 rxnfc->data = rsshash[rxnfc->flow_type]; 304 305 return 0; 306 } 307 308 /* current HW spec does byte reversal on everything including MAC addresses */ 309 static void ether_addr_copy_swap(u8 *dst, const u8 *src) 310 { 311 int i; 312 313 for (i = 0; i < ETH_ALEN; i++) 314 dst[i] = src[ETH_ALEN - i - 1]; 315 } 316 317 static int enetc_set_cls_entry(struct enetc_si *si, 318 struct ethtool_rx_flow_spec *fs, bool en) 319 { 320 struct ethtool_tcpip4_spec *l4ip4_h, *l4ip4_m; 321 struct ethtool_usrip4_spec *l3ip4_h, *l3ip4_m; 322 struct ethhdr *eth_h, *eth_m; 323 struct enetc_cmd_rfse rfse = { {0} }; 324 325 if (!en) 326 goto done; 327 328 switch (fs->flow_type & 0xff) { 329 case TCP_V4_FLOW: 330 l4ip4_h = &fs->h_u.tcp_ip4_spec; 331 l4ip4_m = &fs->m_u.tcp_ip4_spec; 332 goto l4ip4; 333 case UDP_V4_FLOW: 334 l4ip4_h = &fs->h_u.udp_ip4_spec; 335 l4ip4_m = &fs->m_u.udp_ip4_spec; 336 goto l4ip4; 337 case SCTP_V4_FLOW: 338 l4ip4_h = &fs->h_u.sctp_ip4_spec; 339 l4ip4_m = &fs->m_u.sctp_ip4_spec; 340 l4ip4: 341 rfse.sip_h[0] = l4ip4_h->ip4src; 342 rfse.sip_m[0] = l4ip4_m->ip4src; 343 rfse.dip_h[0] = l4ip4_h->ip4dst; 344 rfse.dip_m[0] = l4ip4_m->ip4dst; 345 rfse.sport_h = ntohs(l4ip4_h->psrc); 346 rfse.sport_m = ntohs(l4ip4_m->psrc); 347 rfse.dport_h = ntohs(l4ip4_h->pdst); 348 rfse.dport_m = ntohs(l4ip4_m->pdst); 349 if (l4ip4_m->tos) 350 netdev_warn(si->ndev, "ToS field is not supported and was ignored\n"); 351 rfse.ethtype_h = ETH_P_IP; /* IPv4 */ 352 rfse.ethtype_m = 0xffff; 353 break; 354 case IP_USER_FLOW: 355 l3ip4_h = &fs->h_u.usr_ip4_spec; 356 l3ip4_m = &fs->m_u.usr_ip4_spec; 357 358 rfse.sip_h[0] = l3ip4_h->ip4src; 359 rfse.sip_m[0] = l3ip4_m->ip4src; 360 rfse.dip_h[0] = l3ip4_h->ip4dst; 361 rfse.dip_m[0] = l3ip4_m->ip4dst; 362 if (l3ip4_m->tos) 363 netdev_warn(si->ndev, "ToS field is not supported and was ignored\n"); 364 rfse.ethtype_h = ETH_P_IP; /* IPv4 */ 365 rfse.ethtype_m = 0xffff; 366 break; 367 case ETHER_FLOW: 368 eth_h = &fs->h_u.ether_spec; 369 eth_m = &fs->m_u.ether_spec; 370 371 ether_addr_copy_swap(rfse.smac_h, eth_h->h_source); 372 ether_addr_copy_swap(rfse.smac_m, eth_m->h_source); 373 ether_addr_copy_swap(rfse.dmac_h, eth_h->h_dest); 374 ether_addr_copy_swap(rfse.dmac_m, eth_m->h_dest); 375 rfse.ethtype_h = ntohs(eth_h->h_proto); 376 rfse.ethtype_m = ntohs(eth_m->h_proto); 377 break; 378 default: 379 return -EOPNOTSUPP; 380 } 381 382 rfse.mode |= ENETC_RFSE_EN; 383 if (fs->ring_cookie != RX_CLS_FLOW_DISC) { 384 rfse.mode |= ENETC_RFSE_MODE_BD; 385 rfse.result = fs->ring_cookie; 386 } 387 done: 388 return enetc_set_fs_entry(si, &rfse, fs->location); 389 } 390 391 static int enetc_get_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc, 392 u32 *rule_locs) 393 { 394 struct enetc_ndev_priv *priv = netdev_priv(ndev); 395 int i, j; 396 397 switch (rxnfc->cmd) { 398 case ETHTOOL_GRXRINGS: 399 rxnfc->data = priv->num_rx_rings; 400 break; 401 case ETHTOOL_GRXFH: 402 /* get RSS hash config */ 403 return enetc_get_rsshash(rxnfc); 404 case ETHTOOL_GRXCLSRLCNT: 405 /* total number of entries */ 406 rxnfc->data = priv->si->num_fs_entries; 407 /* number of entries in use */ 408 rxnfc->rule_cnt = 0; 409 for (i = 0; i < priv->si->num_fs_entries; i++) 410 if (priv->cls_rules[i].used) 411 rxnfc->rule_cnt++; 412 break; 413 case ETHTOOL_GRXCLSRULE: 414 if (rxnfc->fs.location >= priv->si->num_fs_entries) 415 return -EINVAL; 416 417 /* get entry x */ 418 rxnfc->fs = priv->cls_rules[rxnfc->fs.location].fs; 419 break; 420 case ETHTOOL_GRXCLSRLALL: 421 /* total number of entries */ 422 rxnfc->data = priv->si->num_fs_entries; 423 /* array of indexes of used entries */ 424 j = 0; 425 for (i = 0; i < priv->si->num_fs_entries; i++) { 426 if (!priv->cls_rules[i].used) 427 continue; 428 if (j == rxnfc->rule_cnt) 429 return -EMSGSIZE; 430 rule_locs[j++] = i; 431 } 432 /* number of entries in use */ 433 rxnfc->rule_cnt = j; 434 break; 435 default: 436 return -EOPNOTSUPP; 437 } 438 439 return 0; 440 } 441 442 static int enetc_set_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc) 443 { 444 struct enetc_ndev_priv *priv = netdev_priv(ndev); 445 int err; 446 447 switch (rxnfc->cmd) { 448 case ETHTOOL_SRXCLSRLINS: 449 if (rxnfc->fs.location >= priv->si->num_fs_entries) 450 return -EINVAL; 451 452 if (rxnfc->fs.ring_cookie >= priv->num_rx_rings && 453 rxnfc->fs.ring_cookie != RX_CLS_FLOW_DISC) 454 return -EINVAL; 455 456 err = enetc_set_cls_entry(priv->si, &rxnfc->fs, true); 457 if (err) 458 return err; 459 priv->cls_rules[rxnfc->fs.location].fs = rxnfc->fs; 460 priv->cls_rules[rxnfc->fs.location].used = 1; 461 break; 462 case ETHTOOL_SRXCLSRLDEL: 463 if (rxnfc->fs.location >= priv->si->num_fs_entries) 464 return -EINVAL; 465 466 err = enetc_set_cls_entry(priv->si, &rxnfc->fs, false); 467 if (err) 468 return err; 469 priv->cls_rules[rxnfc->fs.location].used = 0; 470 break; 471 default: 472 return -EOPNOTSUPP; 473 } 474 475 return 0; 476 } 477 478 static u32 enetc_get_rxfh_key_size(struct net_device *ndev) 479 { 480 struct enetc_ndev_priv *priv = netdev_priv(ndev); 481 482 /* return the size of the RX flow hash key. PF only */ 483 return (priv->si->hw.port) ? ENETC_RSSHASH_KEY_SIZE : 0; 484 } 485 486 static u32 enetc_get_rxfh_indir_size(struct net_device *ndev) 487 { 488 struct enetc_ndev_priv *priv = netdev_priv(ndev); 489 490 /* return the size of the RX flow hash indirection table */ 491 return priv->si->num_rss; 492 } 493 494 static int enetc_get_rxfh(struct net_device *ndev, u32 *indir, u8 *key, 495 u8 *hfunc) 496 { 497 struct enetc_ndev_priv *priv = netdev_priv(ndev); 498 struct enetc_hw *hw = &priv->si->hw; 499 int err = 0, i; 500 501 /* return hash function */ 502 if (hfunc) 503 *hfunc = ETH_RSS_HASH_TOP; 504 505 /* return hash key */ 506 if (key && hw->port) 507 for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++) 508 ((u32 *)key)[i] = enetc_port_rd(hw, ENETC_PRSSK(i)); 509 510 /* return RSS table */ 511 if (indir) 512 err = enetc_get_rss_table(priv->si, indir, priv->si->num_rss); 513 514 return err; 515 } 516 517 void enetc_set_rss_key(struct enetc_hw *hw, const u8 *bytes) 518 { 519 int i; 520 521 for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++) 522 enetc_port_wr(hw, ENETC_PRSSK(i), ((u32 *)bytes)[i]); 523 } 524 525 static int enetc_set_rxfh(struct net_device *ndev, const u32 *indir, 526 const u8 *key, const u8 hfunc) 527 { 528 struct enetc_ndev_priv *priv = netdev_priv(ndev); 529 struct enetc_hw *hw = &priv->si->hw; 530 int err = 0; 531 532 /* set hash key, if PF */ 533 if (key && hw->port) 534 enetc_set_rss_key(hw, key); 535 536 /* set RSS table */ 537 if (indir) 538 err = enetc_set_rss_table(priv->si, indir, priv->si->num_rss); 539 540 return err; 541 } 542 543 static void enetc_get_ringparam(struct net_device *ndev, 544 struct ethtool_ringparam *ring) 545 { 546 struct enetc_ndev_priv *priv = netdev_priv(ndev); 547 548 ring->rx_pending = priv->rx_bd_count; 549 ring->tx_pending = priv->tx_bd_count; 550 551 /* do some h/w sanity checks for BDR length */ 552 if (netif_running(ndev)) { 553 struct enetc_hw *hw = &priv->si->hw; 554 u32 val = enetc_rxbdr_rd(hw, 0, ENETC_RBLENR); 555 556 if (val != priv->rx_bd_count) 557 netif_err(priv, hw, ndev, "RxBDR[RBLENR] = %d!\n", val); 558 559 val = enetc_txbdr_rd(hw, 0, ENETC_TBLENR); 560 561 if (val != priv->tx_bd_count) 562 netif_err(priv, hw, ndev, "TxBDR[TBLENR] = %d!\n", val); 563 } 564 } 565 566 static int enetc_get_coalesce(struct net_device *ndev, 567 struct ethtool_coalesce *ic) 568 { 569 struct enetc_ndev_priv *priv = netdev_priv(ndev); 570 struct enetc_int_vector *v = priv->int_vector[0]; 571 572 ic->tx_coalesce_usecs = enetc_cycles_to_usecs(priv->tx_ictt); 573 ic->rx_coalesce_usecs = enetc_cycles_to_usecs(v->rx_ictt); 574 575 ic->tx_max_coalesced_frames = ENETC_TXIC_PKTTHR; 576 ic->rx_max_coalesced_frames = ENETC_RXIC_PKTTHR; 577 578 ic->use_adaptive_rx_coalesce = priv->ic_mode & ENETC_IC_RX_ADAPTIVE; 579 580 return 0; 581 } 582 583 static int enetc_set_coalesce(struct net_device *ndev, 584 struct ethtool_coalesce *ic) 585 { 586 struct enetc_ndev_priv *priv = netdev_priv(ndev); 587 u32 rx_ictt, tx_ictt; 588 int i, ic_mode; 589 bool changed; 590 591 tx_ictt = enetc_usecs_to_cycles(ic->tx_coalesce_usecs); 592 rx_ictt = enetc_usecs_to_cycles(ic->rx_coalesce_usecs); 593 594 if (ic->rx_max_coalesced_frames != ENETC_RXIC_PKTTHR) 595 return -EOPNOTSUPP; 596 597 if (ic->tx_max_coalesced_frames != ENETC_TXIC_PKTTHR) 598 return -EOPNOTSUPP; 599 600 ic_mode = ENETC_IC_NONE; 601 if (ic->use_adaptive_rx_coalesce) { 602 ic_mode |= ENETC_IC_RX_ADAPTIVE; 603 rx_ictt = 0x1; 604 } else { 605 ic_mode |= rx_ictt ? ENETC_IC_RX_MANUAL : 0; 606 } 607 608 ic_mode |= tx_ictt ? ENETC_IC_TX_MANUAL : 0; 609 610 /* commit the settings */ 611 changed = (ic_mode != priv->ic_mode) || (priv->tx_ictt != tx_ictt); 612 613 priv->ic_mode = ic_mode; 614 priv->tx_ictt = tx_ictt; 615 616 for (i = 0; i < priv->bdr_int_num; i++) { 617 struct enetc_int_vector *v = priv->int_vector[i]; 618 619 v->rx_ictt = rx_ictt; 620 v->rx_dim_en = !!(ic_mode & ENETC_IC_RX_ADAPTIVE); 621 } 622 623 if (netif_running(ndev) && changed) { 624 /* reconfigure the operation mode of h/w interrupts, 625 * traffic needs to be paused in the process 626 */ 627 enetc_stop(ndev); 628 enetc_start(ndev); 629 } 630 631 return 0; 632 } 633 634 static int enetc_get_ts_info(struct net_device *ndev, 635 struct ethtool_ts_info *info) 636 { 637 int *phc_idx; 638 639 phc_idx = symbol_get(enetc_phc_index); 640 if (phc_idx) { 641 info->phc_index = *phc_idx; 642 symbol_put(enetc_phc_index); 643 } else { 644 info->phc_index = -1; 645 } 646 647 #ifdef CONFIG_FSL_ENETC_PTP_CLOCK 648 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | 649 SOF_TIMESTAMPING_RX_HARDWARE | 650 SOF_TIMESTAMPING_RAW_HARDWARE; 651 652 info->tx_types = (1 << HWTSTAMP_TX_OFF) | 653 (1 << HWTSTAMP_TX_ON); 654 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | 655 (1 << HWTSTAMP_FILTER_ALL); 656 #else 657 info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | 658 SOF_TIMESTAMPING_TX_SOFTWARE | 659 SOF_TIMESTAMPING_SOFTWARE; 660 #endif 661 return 0; 662 } 663 664 static void enetc_get_wol(struct net_device *dev, 665 struct ethtool_wolinfo *wol) 666 { 667 wol->supported = 0; 668 wol->wolopts = 0; 669 670 if (dev->phydev) 671 phy_ethtool_get_wol(dev->phydev, wol); 672 } 673 674 static int enetc_set_wol(struct net_device *dev, 675 struct ethtool_wolinfo *wol) 676 { 677 int ret; 678 679 if (!dev->phydev) 680 return -EOPNOTSUPP; 681 682 ret = phy_ethtool_set_wol(dev->phydev, wol); 683 if (!ret) 684 device_set_wakeup_enable(&dev->dev, wol->wolopts); 685 686 return ret; 687 } 688 689 static const struct ethtool_ops enetc_pf_ethtool_ops = { 690 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 691 ETHTOOL_COALESCE_MAX_FRAMES | 692 ETHTOOL_COALESCE_USE_ADAPTIVE_RX, 693 .get_regs_len = enetc_get_reglen, 694 .get_regs = enetc_get_regs, 695 .get_sset_count = enetc_get_sset_count, 696 .get_strings = enetc_get_strings, 697 .get_ethtool_stats = enetc_get_ethtool_stats, 698 .get_rxnfc = enetc_get_rxnfc, 699 .set_rxnfc = enetc_set_rxnfc, 700 .get_rxfh_key_size = enetc_get_rxfh_key_size, 701 .get_rxfh_indir_size = enetc_get_rxfh_indir_size, 702 .get_rxfh = enetc_get_rxfh, 703 .set_rxfh = enetc_set_rxfh, 704 .get_ringparam = enetc_get_ringparam, 705 .get_coalesce = enetc_get_coalesce, 706 .set_coalesce = enetc_set_coalesce, 707 .get_link_ksettings = phy_ethtool_get_link_ksettings, 708 .set_link_ksettings = phy_ethtool_set_link_ksettings, 709 .get_link = ethtool_op_get_link, 710 .get_ts_info = enetc_get_ts_info, 711 .get_wol = enetc_get_wol, 712 .set_wol = enetc_set_wol, 713 }; 714 715 static const struct ethtool_ops enetc_vf_ethtool_ops = { 716 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 717 ETHTOOL_COALESCE_MAX_FRAMES | 718 ETHTOOL_COALESCE_USE_ADAPTIVE_RX, 719 .get_regs_len = enetc_get_reglen, 720 .get_regs = enetc_get_regs, 721 .get_sset_count = enetc_get_sset_count, 722 .get_strings = enetc_get_strings, 723 .get_ethtool_stats = enetc_get_ethtool_stats, 724 .get_rxnfc = enetc_get_rxnfc, 725 .set_rxnfc = enetc_set_rxnfc, 726 .get_rxfh_indir_size = enetc_get_rxfh_indir_size, 727 .get_rxfh = enetc_get_rxfh, 728 .set_rxfh = enetc_set_rxfh, 729 .get_ringparam = enetc_get_ringparam, 730 .get_coalesce = enetc_get_coalesce, 731 .set_coalesce = enetc_set_coalesce, 732 .get_link = ethtool_op_get_link, 733 .get_ts_info = enetc_get_ts_info, 734 }; 735 736 void enetc_set_ethtool_ops(struct net_device *ndev) 737 { 738 struct enetc_ndev_priv *priv = netdev_priv(ndev); 739 740 if (enetc_si_is_pf(priv->si)) 741 ndev->ethtool_ops = &enetc_pf_ethtool_ops; 742 else 743 ndev->ethtool_ops = &enetc_vf_ethtool_ops; 744 } 745