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 18 }; 19 20 static const u32 enetc_rxbdr_regs[] = { 21 ENETC_RBMR, ENETC_RBSR, ENETC_RBBSR, ENETC_RBCIR, ENETC_RBBAR0, 22 ENETC_RBBAR1, ENETC_RBPIR, ENETC_RBLENR, ENETC_RBICIR0, ENETC_RBIER 23 }; 24 25 static const u32 enetc_port_regs[] = { 26 ENETC_PMR, ENETC_PSR, ENETC_PSIPMR, ENETC_PSIPMAR0(0), 27 ENETC_PSIPMAR1(0), ENETC_PTXMBAR, ENETC_PCAPR0, ENETC_PCAPR1, 28 ENETC_PSICFGR0(0), ENETC_PRFSCAPR, ENETC_PTCMSDUR(0), 29 ENETC_PM0_CMD_CFG, ENETC_PM0_MAXFRM, ENETC_PM0_IF_MODE 30 }; 31 32 static int enetc_get_reglen(struct net_device *ndev) 33 { 34 struct enetc_ndev_priv *priv = netdev_priv(ndev); 35 struct enetc_hw *hw = &priv->si->hw; 36 int len; 37 38 len = ARRAY_SIZE(enetc_si_regs); 39 len += ARRAY_SIZE(enetc_txbdr_regs) * priv->num_tx_rings; 40 len += ARRAY_SIZE(enetc_rxbdr_regs) * priv->num_rx_rings; 41 42 if (hw->port) 43 len += ARRAY_SIZE(enetc_port_regs); 44 45 len *= sizeof(u32) * 2; /* store 2 entries per reg: addr and value */ 46 47 return len; 48 } 49 50 static void enetc_get_regs(struct net_device *ndev, struct ethtool_regs *regs, 51 void *regbuf) 52 { 53 struct enetc_ndev_priv *priv = netdev_priv(ndev); 54 struct enetc_hw *hw = &priv->si->hw; 55 u32 *buf = (u32 *)regbuf; 56 int i, j; 57 u32 addr; 58 59 for (i = 0; i < ARRAY_SIZE(enetc_si_regs); i++) { 60 *buf++ = enetc_si_regs[i]; 61 *buf++ = enetc_rd(hw, enetc_si_regs[i]); 62 } 63 64 for (i = 0; i < priv->num_tx_rings; i++) { 65 for (j = 0; j < ARRAY_SIZE(enetc_txbdr_regs); j++) { 66 addr = ENETC_BDR(TX, i, enetc_txbdr_regs[j]); 67 68 *buf++ = addr; 69 *buf++ = enetc_rd(hw, addr); 70 } 71 } 72 73 for (i = 0; i < priv->num_rx_rings; i++) { 74 for (j = 0; j < ARRAY_SIZE(enetc_rxbdr_regs); j++) { 75 addr = ENETC_BDR(RX, i, enetc_rxbdr_regs[j]); 76 77 *buf++ = addr; 78 *buf++ = enetc_rd(hw, addr); 79 } 80 } 81 82 if (!hw->port) 83 return; 84 85 for (i = 0; i < ARRAY_SIZE(enetc_port_regs); i++) { 86 addr = ENETC_PORT_BASE + enetc_port_regs[i]; 87 *buf++ = addr; 88 *buf++ = enetc_rd(hw, addr); 89 } 90 } 91 92 static const struct { 93 int reg; 94 char name[ETH_GSTRING_LEN]; 95 } enetc_si_counters[] = { 96 { ENETC_SIROCT, "SI rx octets" }, 97 { ENETC_SIRFRM, "SI rx frames" }, 98 { ENETC_SIRUCA, "SI rx u-cast frames" }, 99 { ENETC_SIRMCA, "SI rx m-cast frames" }, 100 { ENETC_SITOCT, "SI tx octets" }, 101 { ENETC_SITFRM, "SI tx frames" }, 102 { ENETC_SITUCA, "SI tx u-cast frames" }, 103 { ENETC_SITMCA, "SI tx m-cast frames" }, 104 { ENETC_RBDCR(0), "Rx ring 0 discarded frames" }, 105 { ENETC_RBDCR(1), "Rx ring 1 discarded frames" }, 106 { ENETC_RBDCR(2), "Rx ring 2 discarded frames" }, 107 { ENETC_RBDCR(3), "Rx ring 3 discarded frames" }, 108 { ENETC_RBDCR(4), "Rx ring 4 discarded frames" }, 109 { ENETC_RBDCR(5), "Rx ring 5 discarded frames" }, 110 { ENETC_RBDCR(6), "Rx ring 6 discarded frames" }, 111 { ENETC_RBDCR(7), "Rx ring 7 discarded frames" }, 112 { ENETC_RBDCR(8), "Rx ring 8 discarded frames" }, 113 { ENETC_RBDCR(9), "Rx ring 9 discarded frames" }, 114 { ENETC_RBDCR(10), "Rx ring 10 discarded frames" }, 115 { ENETC_RBDCR(11), "Rx ring 11 discarded frames" }, 116 { ENETC_RBDCR(12), "Rx ring 12 discarded frames" }, 117 { ENETC_RBDCR(13), "Rx ring 13 discarded frames" }, 118 { ENETC_RBDCR(14), "Rx ring 14 discarded frames" }, 119 { ENETC_RBDCR(15), "Rx ring 15 discarded frames" }, 120 }; 121 122 static const struct { 123 int reg; 124 char name[ETH_GSTRING_LEN]; 125 } enetc_port_counters[] = { 126 { ENETC_PM0_REOCT, "MAC rx ethernet octets" }, 127 { ENETC_PM0_RALN, "MAC rx alignment errors" }, 128 { ENETC_PM0_RXPF, "MAC rx valid pause frames" }, 129 { ENETC_PM0_RFRM, "MAC rx valid frames" }, 130 { ENETC_PM0_RFCS, "MAC rx fcs errors" }, 131 { ENETC_PM0_RVLAN, "MAC rx VLAN frames" }, 132 { ENETC_PM0_RERR, "MAC rx frame errors" }, 133 { ENETC_PM0_RUCA, "MAC rx unicast frames" }, 134 { ENETC_PM0_RMCA, "MAC rx multicast frames" }, 135 { ENETC_PM0_RBCA, "MAC rx broadcast frames" }, 136 { ENETC_PM0_RDRP, "MAC rx dropped packets" }, 137 { ENETC_PM0_RPKT, "MAC rx packets" }, 138 { ENETC_PM0_RUND, "MAC rx undersized packets" }, 139 { ENETC_PM0_R64, "MAC rx 64 byte packets" }, 140 { ENETC_PM0_R127, "MAC rx 65-127 byte packets" }, 141 { ENETC_PM0_R255, "MAC rx 128-255 byte packets" }, 142 { ENETC_PM0_R511, "MAC rx 256-511 byte packets" }, 143 { ENETC_PM0_R1023, "MAC rx 512-1023 byte packets" }, 144 { ENETC_PM0_R1518, "MAC rx 1024-1518 byte packets" }, 145 { ENETC_PM0_R1519X, "MAC rx 1519 to max-octet packets" }, 146 { ENETC_PM0_ROVR, "MAC rx oversized packets" }, 147 { ENETC_PM0_RJBR, "MAC rx jabber packets" }, 148 { ENETC_PM0_RFRG, "MAC rx fragment packets" }, 149 { ENETC_PM0_RCNP, "MAC rx control packets" }, 150 { ENETC_PM0_RDRNTP, "MAC rx fifo drop" }, 151 { ENETC_PM0_TEOCT, "MAC tx ethernet octets" }, 152 { ENETC_PM0_TOCT, "MAC tx octets" }, 153 { ENETC_PM0_TCRSE, "MAC tx carrier sense errors" }, 154 { ENETC_PM0_TXPF, "MAC tx valid pause frames" }, 155 { ENETC_PM0_TFRM, "MAC tx frames" }, 156 { ENETC_PM0_TFCS, "MAC tx fcs errors" }, 157 { ENETC_PM0_TVLAN, "MAC tx VLAN frames" }, 158 { ENETC_PM0_TERR, "MAC tx frames" }, 159 { ENETC_PM0_TUCA, "MAC tx unicast frames" }, 160 { ENETC_PM0_TMCA, "MAC tx multicast frames" }, 161 { ENETC_PM0_TBCA, "MAC tx broadcast frames" }, 162 { ENETC_PM0_TPKT, "MAC tx packets" }, 163 { ENETC_PM0_TUND, "MAC tx undersized packets" }, 164 { ENETC_PM0_T127, "MAC tx 65-127 byte packets" }, 165 { ENETC_PM0_T1023, "MAC tx 512-1023 byte packets" }, 166 { ENETC_PM0_T1518, "MAC tx 1024-1518 byte packets" }, 167 { ENETC_PM0_TCNP, "MAC tx control packets" }, 168 { ENETC_PM0_TDFR, "MAC tx deferred packets" }, 169 { ENETC_PM0_TMCOL, "MAC tx multiple collisions" }, 170 { ENETC_PM0_TSCOL, "MAC tx single collisions" }, 171 { ENETC_PM0_TLCOL, "MAC tx late collisions" }, 172 { ENETC_PM0_TECOL, "MAC tx excessive collisions" }, 173 { ENETC_UFDMF, "SI MAC nomatch u-cast discards" }, 174 { ENETC_MFDMF, "SI MAC nomatch m-cast discards" }, 175 { ENETC_PBFDSIR, "SI MAC nomatch b-cast discards" }, 176 { ENETC_PUFDVFR, "SI VLAN nomatch u-cast discards" }, 177 { ENETC_PMFDVFR, "SI VLAN nomatch m-cast discards" }, 178 { ENETC_PBFDVFR, "SI VLAN nomatch b-cast discards" }, 179 { ENETC_PFDMSAPR, "SI pruning discarded frames" }, 180 { ENETC_PICDR(0), "ICM DR0 discarded frames" }, 181 { ENETC_PICDR(1), "ICM DR1 discarded frames" }, 182 { ENETC_PICDR(2), "ICM DR2 discarded frames" }, 183 { ENETC_PICDR(3), "ICM DR3 discarded frames" }, 184 }; 185 186 static const char rx_ring_stats[][ETH_GSTRING_LEN] = { 187 "Rx ring %2d frames", 188 "Rx ring %2d alloc errors", 189 }; 190 191 static const char tx_ring_stats[][ETH_GSTRING_LEN] = { 192 "Tx ring %2d frames", 193 }; 194 195 static int enetc_get_sset_count(struct net_device *ndev, int sset) 196 { 197 struct enetc_ndev_priv *priv = netdev_priv(ndev); 198 199 if (sset == ETH_SS_STATS) 200 return ARRAY_SIZE(enetc_si_counters) + 201 ARRAY_SIZE(tx_ring_stats) * priv->num_tx_rings + 202 ARRAY_SIZE(rx_ring_stats) * priv->num_rx_rings + 203 (enetc_si_is_pf(priv->si) ? 204 ARRAY_SIZE(enetc_port_counters) : 0); 205 206 return -EOPNOTSUPP; 207 } 208 209 static void enetc_get_strings(struct net_device *ndev, u32 stringset, u8 *data) 210 { 211 struct enetc_ndev_priv *priv = netdev_priv(ndev); 212 u8 *p = data; 213 int i, j; 214 215 switch (stringset) { 216 case ETH_SS_STATS: 217 for (i = 0; i < ARRAY_SIZE(enetc_si_counters); i++) { 218 strlcpy(p, enetc_si_counters[i].name, ETH_GSTRING_LEN); 219 p += ETH_GSTRING_LEN; 220 } 221 for (i = 0; i < priv->num_tx_rings; i++) { 222 for (j = 0; j < ARRAY_SIZE(tx_ring_stats); j++) { 223 snprintf(p, ETH_GSTRING_LEN, tx_ring_stats[j], 224 i); 225 p += ETH_GSTRING_LEN; 226 } 227 } 228 for (i = 0; i < priv->num_rx_rings; i++) { 229 for (j = 0; j < ARRAY_SIZE(rx_ring_stats); j++) { 230 snprintf(p, ETH_GSTRING_LEN, rx_ring_stats[j], 231 i); 232 p += ETH_GSTRING_LEN; 233 } 234 } 235 236 if (!enetc_si_is_pf(priv->si)) 237 break; 238 239 for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++) { 240 strlcpy(p, enetc_port_counters[i].name, 241 ETH_GSTRING_LEN); 242 p += ETH_GSTRING_LEN; 243 } 244 break; 245 } 246 } 247 248 static void enetc_get_ethtool_stats(struct net_device *ndev, 249 struct ethtool_stats *stats, u64 *data) 250 { 251 struct enetc_ndev_priv *priv = netdev_priv(ndev); 252 struct enetc_hw *hw = &priv->si->hw; 253 int i, o = 0; 254 255 for (i = 0; i < ARRAY_SIZE(enetc_si_counters); i++) 256 data[o++] = enetc_rd64(hw, enetc_si_counters[i].reg); 257 258 for (i = 0; i < priv->num_tx_rings; i++) 259 data[o++] = priv->tx_ring[i]->stats.packets; 260 261 for (i = 0; i < priv->num_rx_rings; i++) { 262 data[o++] = priv->rx_ring[i]->stats.packets; 263 data[o++] = priv->rx_ring[i]->stats.rx_alloc_errs; 264 } 265 266 if (!enetc_si_is_pf(priv->si)) 267 return; 268 269 for (i = 0; i < ARRAY_SIZE(enetc_port_counters); i++) 270 data[o++] = enetc_port_rd(hw, enetc_port_counters[i].reg); 271 } 272 273 #define ENETC_RSSHASH_L3 (RXH_L2DA | RXH_VLAN | RXH_L3_PROTO | RXH_IP_SRC | \ 274 RXH_IP_DST) 275 #define ENETC_RSSHASH_L4 (ENETC_RSSHASH_L3 | RXH_L4_B_0_1 | RXH_L4_B_2_3) 276 static int enetc_get_rsshash(struct ethtool_rxnfc *rxnfc) 277 { 278 static const u32 rsshash[] = { 279 [TCP_V4_FLOW] = ENETC_RSSHASH_L4, 280 [UDP_V4_FLOW] = ENETC_RSSHASH_L4, 281 [SCTP_V4_FLOW] = ENETC_RSSHASH_L4, 282 [AH_ESP_V4_FLOW] = ENETC_RSSHASH_L3, 283 [IPV4_FLOW] = ENETC_RSSHASH_L3, 284 [TCP_V6_FLOW] = ENETC_RSSHASH_L4, 285 [UDP_V6_FLOW] = ENETC_RSSHASH_L4, 286 [SCTP_V6_FLOW] = ENETC_RSSHASH_L4, 287 [AH_ESP_V6_FLOW] = ENETC_RSSHASH_L3, 288 [IPV6_FLOW] = ENETC_RSSHASH_L3, 289 [ETHER_FLOW] = 0, 290 }; 291 292 if (rxnfc->flow_type >= ARRAY_SIZE(rsshash)) 293 return -EINVAL; 294 295 rxnfc->data = rsshash[rxnfc->flow_type]; 296 297 return 0; 298 } 299 300 /* current HW spec does byte reversal on everything including MAC addresses */ 301 static void ether_addr_copy_swap(u8 *dst, const u8 *src) 302 { 303 int i; 304 305 for (i = 0; i < ETH_ALEN; i++) 306 dst[i] = src[ETH_ALEN - i - 1]; 307 } 308 309 static int enetc_set_cls_entry(struct enetc_si *si, 310 struct ethtool_rx_flow_spec *fs, bool en) 311 { 312 struct ethtool_tcpip4_spec *l4ip4_h, *l4ip4_m; 313 struct ethtool_usrip4_spec *l3ip4_h, *l3ip4_m; 314 struct ethhdr *eth_h, *eth_m; 315 struct enetc_cmd_rfse rfse = { {0} }; 316 317 if (!en) 318 goto done; 319 320 switch (fs->flow_type & 0xff) { 321 case TCP_V4_FLOW: 322 l4ip4_h = &fs->h_u.tcp_ip4_spec; 323 l4ip4_m = &fs->m_u.tcp_ip4_spec; 324 goto l4ip4; 325 case UDP_V4_FLOW: 326 l4ip4_h = &fs->h_u.udp_ip4_spec; 327 l4ip4_m = &fs->m_u.udp_ip4_spec; 328 goto l4ip4; 329 case SCTP_V4_FLOW: 330 l4ip4_h = &fs->h_u.sctp_ip4_spec; 331 l4ip4_m = &fs->m_u.sctp_ip4_spec; 332 l4ip4: 333 rfse.sip_h[0] = l4ip4_h->ip4src; 334 rfse.sip_m[0] = l4ip4_m->ip4src; 335 rfse.dip_h[0] = l4ip4_h->ip4dst; 336 rfse.dip_m[0] = l4ip4_m->ip4dst; 337 rfse.sport_h = ntohs(l4ip4_h->psrc); 338 rfse.sport_m = ntohs(l4ip4_m->psrc); 339 rfse.dport_h = ntohs(l4ip4_h->pdst); 340 rfse.dport_m = ntohs(l4ip4_m->pdst); 341 if (l4ip4_m->tos) 342 netdev_warn(si->ndev, "ToS field is not supported and was ignored\n"); 343 rfse.ethtype_h = ETH_P_IP; /* IPv4 */ 344 rfse.ethtype_m = 0xffff; 345 break; 346 case IP_USER_FLOW: 347 l3ip4_h = &fs->h_u.usr_ip4_spec; 348 l3ip4_m = &fs->m_u.usr_ip4_spec; 349 350 rfse.sip_h[0] = l3ip4_h->ip4src; 351 rfse.sip_m[0] = l3ip4_m->ip4src; 352 rfse.dip_h[0] = l3ip4_h->ip4dst; 353 rfse.dip_m[0] = l3ip4_m->ip4dst; 354 if (l3ip4_m->tos) 355 netdev_warn(si->ndev, "ToS field is not supported and was ignored\n"); 356 rfse.ethtype_h = ETH_P_IP; /* IPv4 */ 357 rfse.ethtype_m = 0xffff; 358 break; 359 case ETHER_FLOW: 360 eth_h = &fs->h_u.ether_spec; 361 eth_m = &fs->m_u.ether_spec; 362 363 ether_addr_copy_swap(rfse.smac_h, eth_h->h_source); 364 ether_addr_copy_swap(rfse.smac_m, eth_m->h_source); 365 ether_addr_copy_swap(rfse.dmac_h, eth_h->h_dest); 366 ether_addr_copy_swap(rfse.dmac_m, eth_m->h_dest); 367 rfse.ethtype_h = ntohs(eth_h->h_proto); 368 rfse.ethtype_m = ntohs(eth_m->h_proto); 369 break; 370 default: 371 return -EOPNOTSUPP; 372 } 373 374 rfse.mode |= ENETC_RFSE_EN; 375 if (fs->ring_cookie != RX_CLS_FLOW_DISC) { 376 rfse.mode |= ENETC_RFSE_MODE_BD; 377 rfse.result = fs->ring_cookie; 378 } 379 done: 380 return enetc_set_fs_entry(si, &rfse, fs->location); 381 } 382 383 static int enetc_get_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc, 384 u32 *rule_locs) 385 { 386 struct enetc_ndev_priv *priv = netdev_priv(ndev); 387 int i, j; 388 389 switch (rxnfc->cmd) { 390 case ETHTOOL_GRXRINGS: 391 rxnfc->data = priv->num_rx_rings; 392 break; 393 case ETHTOOL_GRXFH: 394 /* get RSS hash config */ 395 return enetc_get_rsshash(rxnfc); 396 case ETHTOOL_GRXCLSRLCNT: 397 /* total number of entries */ 398 rxnfc->data = priv->si->num_fs_entries; 399 /* number of entries in use */ 400 rxnfc->rule_cnt = 0; 401 for (i = 0; i < priv->si->num_fs_entries; i++) 402 if (priv->cls_rules[i].used) 403 rxnfc->rule_cnt++; 404 break; 405 case ETHTOOL_GRXCLSRULE: 406 if (rxnfc->fs.location >= priv->si->num_fs_entries) 407 return -EINVAL; 408 409 /* get entry x */ 410 rxnfc->fs = priv->cls_rules[rxnfc->fs.location].fs; 411 break; 412 case ETHTOOL_GRXCLSRLALL: 413 /* total number of entries */ 414 rxnfc->data = priv->si->num_fs_entries; 415 /* array of indexes of used entries */ 416 j = 0; 417 for (i = 0; i < priv->si->num_fs_entries; i++) { 418 if (!priv->cls_rules[i].used) 419 continue; 420 if (j == rxnfc->rule_cnt) 421 return -EMSGSIZE; 422 rule_locs[j++] = i; 423 } 424 /* number of entries in use */ 425 rxnfc->rule_cnt = j; 426 break; 427 default: 428 return -EOPNOTSUPP; 429 } 430 431 return 0; 432 } 433 434 static int enetc_set_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc) 435 { 436 struct enetc_ndev_priv *priv = netdev_priv(ndev); 437 int err; 438 439 switch (rxnfc->cmd) { 440 case ETHTOOL_SRXCLSRLINS: 441 if (rxnfc->fs.location >= priv->si->num_fs_entries) 442 return -EINVAL; 443 444 if (rxnfc->fs.ring_cookie >= priv->num_rx_rings && 445 rxnfc->fs.ring_cookie != RX_CLS_FLOW_DISC) 446 return -EINVAL; 447 448 err = enetc_set_cls_entry(priv->si, &rxnfc->fs, true); 449 if (err) 450 return err; 451 priv->cls_rules[rxnfc->fs.location].fs = rxnfc->fs; 452 priv->cls_rules[rxnfc->fs.location].used = 1; 453 break; 454 case ETHTOOL_SRXCLSRLDEL: 455 if (rxnfc->fs.location >= priv->si->num_fs_entries) 456 return -EINVAL; 457 458 err = enetc_set_cls_entry(priv->si, &rxnfc->fs, false); 459 if (err) 460 return err; 461 priv->cls_rules[rxnfc->fs.location].used = 0; 462 break; 463 default: 464 return -EOPNOTSUPP; 465 } 466 467 return 0; 468 } 469 470 static u32 enetc_get_rxfh_key_size(struct net_device *ndev) 471 { 472 struct enetc_ndev_priv *priv = netdev_priv(ndev); 473 474 /* return the size of the RX flow hash key. PF only */ 475 return (priv->si->hw.port) ? ENETC_RSSHASH_KEY_SIZE : 0; 476 } 477 478 static u32 enetc_get_rxfh_indir_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 indirection table */ 483 return priv->si->num_rss; 484 } 485 486 static int enetc_get_rxfh(struct net_device *ndev, u32 *indir, u8 *key, 487 u8 *hfunc) 488 { 489 struct enetc_ndev_priv *priv = netdev_priv(ndev); 490 struct enetc_hw *hw = &priv->si->hw; 491 int err = 0, i; 492 493 /* return hash function */ 494 if (hfunc) 495 *hfunc = ETH_RSS_HASH_TOP; 496 497 /* return hash key */ 498 if (key && hw->port) 499 for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++) 500 ((u32 *)key)[i] = enetc_port_rd(hw, ENETC_PRSSK(i)); 501 502 /* return RSS table */ 503 if (indir) 504 err = enetc_get_rss_table(priv->si, indir, priv->si->num_rss); 505 506 return err; 507 } 508 509 void enetc_set_rss_key(struct enetc_hw *hw, const u8 *bytes) 510 { 511 int i; 512 513 for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++) 514 enetc_port_wr(hw, ENETC_PRSSK(i), ((u32 *)bytes)[i]); 515 } 516 517 static int enetc_set_rxfh(struct net_device *ndev, const u32 *indir, 518 const u8 *key, const u8 hfunc) 519 { 520 struct enetc_ndev_priv *priv = netdev_priv(ndev); 521 struct enetc_hw *hw = &priv->si->hw; 522 int err = 0; 523 524 /* set hash key, if PF */ 525 if (key && hw->port) 526 enetc_set_rss_key(hw, key); 527 528 /* set RSS table */ 529 if (indir) 530 err = enetc_set_rss_table(priv->si, indir, priv->si->num_rss); 531 532 return err; 533 } 534 535 static void enetc_get_ringparam(struct net_device *ndev, 536 struct ethtool_ringparam *ring) 537 { 538 struct enetc_ndev_priv *priv = netdev_priv(ndev); 539 540 ring->rx_pending = priv->rx_bd_count; 541 ring->tx_pending = priv->tx_bd_count; 542 543 /* do some h/w sanity checks for BDR length */ 544 if (netif_running(ndev)) { 545 struct enetc_hw *hw = &priv->si->hw; 546 u32 val = enetc_rxbdr_rd(hw, 0, ENETC_RBLENR); 547 548 if (val != priv->rx_bd_count) 549 netif_err(priv, hw, ndev, "RxBDR[RBLENR] = %d!\n", val); 550 551 val = enetc_txbdr_rd(hw, 0, ENETC_TBLENR); 552 553 if (val != priv->tx_bd_count) 554 netif_err(priv, hw, ndev, "TxBDR[TBLENR] = %d!\n", val); 555 } 556 } 557 558 static const struct ethtool_ops enetc_pf_ethtool_ops = { 559 .get_regs_len = enetc_get_reglen, 560 .get_regs = enetc_get_regs, 561 .get_sset_count = enetc_get_sset_count, 562 .get_strings = enetc_get_strings, 563 .get_ethtool_stats = enetc_get_ethtool_stats, 564 .get_rxnfc = enetc_get_rxnfc, 565 .set_rxnfc = enetc_set_rxnfc, 566 .get_rxfh_key_size = enetc_get_rxfh_key_size, 567 .get_rxfh_indir_size = enetc_get_rxfh_indir_size, 568 .get_rxfh = enetc_get_rxfh, 569 .set_rxfh = enetc_set_rxfh, 570 .get_ringparam = enetc_get_ringparam, 571 .get_link_ksettings = phy_ethtool_get_link_ksettings, 572 .set_link_ksettings = phy_ethtool_set_link_ksettings, 573 .get_link = ethtool_op_get_link, 574 }; 575 576 static const struct ethtool_ops enetc_vf_ethtool_ops = { 577 .get_regs_len = enetc_get_reglen, 578 .get_regs = enetc_get_regs, 579 .get_sset_count = enetc_get_sset_count, 580 .get_strings = enetc_get_strings, 581 .get_ethtool_stats = enetc_get_ethtool_stats, 582 .get_rxnfc = enetc_get_rxnfc, 583 .set_rxnfc = enetc_set_rxnfc, 584 .get_rxfh_indir_size = enetc_get_rxfh_indir_size, 585 .get_rxfh = enetc_get_rxfh, 586 .set_rxfh = enetc_set_rxfh, 587 .get_ringparam = enetc_get_ringparam, 588 .get_link = ethtool_op_get_link, 589 }; 590 591 void enetc_set_ethtool_ops(struct net_device *ndev) 592 { 593 struct enetc_ndev_priv *priv = netdev_priv(ndev); 594 595 if (enetc_si_is_pf(priv->si)) 596 ndev->ethtool_ops = &enetc_pf_ethtool_ops; 597 else 598 ndev->ethtool_ops = &enetc_vf_ethtool_ops; 599 } 600