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_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 }; 208 209 static 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 } 228 229 static 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 } 267 268 static 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) 305 static 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 /* current HW spec does byte reversal on everything including MAC addresses */ 330 static 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 } 337 338 static 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; 361 l4ip4: 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; /* IPv4 */ 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; /* IPv4 */ 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 } 408 done: 409 return enetc_set_fs_entry(si, &rfse, fs->location); 410 } 411 412 static 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 /* get RSS hash config */ 424 return enetc_get_rsshash(rxnfc); 425 case ETHTOOL_GRXCLSRLCNT: 426 /* total number of entries */ 427 rxnfc->data = priv->si->num_fs_entries; 428 /* number of entries in use */ 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 /* get entry x */ 439 rxnfc->fs = priv->cls_rules[rxnfc->fs.location].fs; 440 break; 441 case ETHTOOL_GRXCLSRLALL: 442 /* total number of entries */ 443 rxnfc->data = priv->si->num_fs_entries; 444 /* array of indexes of used entries */ 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 /* number of entries in use */ 454 rxnfc->rule_cnt = j; 455 break; 456 default: 457 return -EOPNOTSUPP; 458 } 459 460 return 0; 461 } 462 463 static 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 } 498 499 static u32 enetc_get_rxfh_key_size(struct net_device *ndev) 500 { 501 struct enetc_ndev_priv *priv = netdev_priv(ndev); 502 503 /* return the size of the RX flow hash key. PF only */ 504 return (priv->si->hw.port) ? ENETC_RSSHASH_KEY_SIZE : 0; 505 } 506 507 static u32 enetc_get_rxfh_indir_size(struct net_device *ndev) 508 { 509 struct enetc_ndev_priv *priv = netdev_priv(ndev); 510 511 /* return the size of the RX flow hash indirection table */ 512 return priv->si->num_rss; 513 } 514 515 static 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 /* return hash function */ 523 if (hfunc) 524 *hfunc = ETH_RSS_HASH_TOP; 525 526 /* return hash key */ 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 /* return RSS table */ 532 if (indir) 533 err = enetc_get_rss_table(priv->si, indir, priv->si->num_rss); 534 535 return err; 536 } 537 538 void 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 } 545 546 static 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 /* set hash key, if PF */ 554 if (key && hw->port) 555 enetc_set_rss_key(hw, key); 556 557 /* set RSS table */ 558 if (indir) 559 err = enetc_set_rss_table(priv->si, indir, priv->si->num_rss); 560 561 return err; 562 } 563 564 static void enetc_get_ringparam(struct net_device *ndev, 565 struct ethtool_ringparam *ring, 566 struct kernel_ethtool_ringparam *kernel_ring, 567 struct netlink_ext_ack *extack) 568 { 569 struct enetc_ndev_priv *priv = netdev_priv(ndev); 570 571 ring->rx_pending = priv->rx_bd_count; 572 ring->tx_pending = priv->tx_bd_count; 573 574 /* do some h/w sanity checks for BDR length */ 575 if (netif_running(ndev)) { 576 struct enetc_hw *hw = &priv->si->hw; 577 u32 val = enetc_rxbdr_rd(hw, 0, ENETC_RBLENR); 578 579 if (val != priv->rx_bd_count) 580 netif_err(priv, hw, ndev, "RxBDR[RBLENR] = %d!\n", val); 581 582 val = enetc_txbdr_rd(hw, 0, ENETC_TBLENR); 583 584 if (val != priv->tx_bd_count) 585 netif_err(priv, hw, ndev, "TxBDR[TBLENR] = %d!\n", val); 586 } 587 } 588 589 static int enetc_get_coalesce(struct net_device *ndev, 590 struct ethtool_coalesce *ic, 591 struct kernel_ethtool_coalesce *kernel_coal, 592 struct netlink_ext_ack *extack) 593 { 594 struct enetc_ndev_priv *priv = netdev_priv(ndev); 595 struct enetc_int_vector *v = priv->int_vector[0]; 596 597 ic->tx_coalesce_usecs = enetc_cycles_to_usecs(priv->tx_ictt); 598 ic->rx_coalesce_usecs = enetc_cycles_to_usecs(v->rx_ictt); 599 600 ic->tx_max_coalesced_frames = ENETC_TXIC_PKTTHR; 601 ic->rx_max_coalesced_frames = ENETC_RXIC_PKTTHR; 602 603 ic->use_adaptive_rx_coalesce = priv->ic_mode & ENETC_IC_RX_ADAPTIVE; 604 605 return 0; 606 } 607 608 static int enetc_set_coalesce(struct net_device *ndev, 609 struct ethtool_coalesce *ic, 610 struct kernel_ethtool_coalesce *kernel_coal, 611 struct netlink_ext_ack *extack) 612 { 613 struct enetc_ndev_priv *priv = netdev_priv(ndev); 614 u32 rx_ictt, tx_ictt; 615 int i, ic_mode; 616 bool changed; 617 618 tx_ictt = enetc_usecs_to_cycles(ic->tx_coalesce_usecs); 619 rx_ictt = enetc_usecs_to_cycles(ic->rx_coalesce_usecs); 620 621 if (ic->rx_max_coalesced_frames != ENETC_RXIC_PKTTHR) 622 return -EOPNOTSUPP; 623 624 if (ic->tx_max_coalesced_frames != ENETC_TXIC_PKTTHR) 625 return -EOPNOTSUPP; 626 627 ic_mode = ENETC_IC_NONE; 628 if (ic->use_adaptive_rx_coalesce) { 629 ic_mode |= ENETC_IC_RX_ADAPTIVE; 630 rx_ictt = 0x1; 631 } else { 632 ic_mode |= rx_ictt ? ENETC_IC_RX_MANUAL : 0; 633 } 634 635 ic_mode |= tx_ictt ? ENETC_IC_TX_MANUAL : 0; 636 637 /* commit the settings */ 638 changed = (ic_mode != priv->ic_mode) || (priv->tx_ictt != tx_ictt); 639 640 priv->ic_mode = ic_mode; 641 priv->tx_ictt = tx_ictt; 642 643 for (i = 0; i < priv->bdr_int_num; i++) { 644 struct enetc_int_vector *v = priv->int_vector[i]; 645 646 v->rx_ictt = rx_ictt; 647 v->rx_dim_en = !!(ic_mode & ENETC_IC_RX_ADAPTIVE); 648 } 649 650 if (netif_running(ndev) && changed) { 651 /* reconfigure the operation mode of h/w interrupts, 652 * traffic needs to be paused in the process 653 */ 654 enetc_stop(ndev); 655 enetc_start(ndev); 656 } 657 658 return 0; 659 } 660 661 static int enetc_get_ts_info(struct net_device *ndev, 662 struct ethtool_ts_info *info) 663 { 664 int *phc_idx; 665 666 phc_idx = symbol_get(enetc_phc_index); 667 if (phc_idx) { 668 info->phc_index = *phc_idx; 669 symbol_put(enetc_phc_index); 670 } else { 671 info->phc_index = -1; 672 } 673 674 #ifdef CONFIG_FSL_ENETC_PTP_CLOCK 675 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | 676 SOF_TIMESTAMPING_RX_HARDWARE | 677 SOF_TIMESTAMPING_RAW_HARDWARE | 678 SOF_TIMESTAMPING_TX_SOFTWARE | 679 SOF_TIMESTAMPING_RX_SOFTWARE | 680 SOF_TIMESTAMPING_SOFTWARE; 681 682 info->tx_types = (1 << HWTSTAMP_TX_OFF) | 683 (1 << HWTSTAMP_TX_ON) | 684 (1 << HWTSTAMP_TX_ONESTEP_SYNC); 685 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | 686 (1 << HWTSTAMP_FILTER_ALL); 687 #else 688 info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | 689 SOF_TIMESTAMPING_TX_SOFTWARE | 690 SOF_TIMESTAMPING_SOFTWARE; 691 #endif 692 return 0; 693 } 694 695 static void enetc_get_wol(struct net_device *dev, 696 struct ethtool_wolinfo *wol) 697 { 698 wol->supported = 0; 699 wol->wolopts = 0; 700 701 if (dev->phydev) 702 phy_ethtool_get_wol(dev->phydev, wol); 703 } 704 705 static int enetc_set_wol(struct net_device *dev, 706 struct ethtool_wolinfo *wol) 707 { 708 int ret; 709 710 if (!dev->phydev) 711 return -EOPNOTSUPP; 712 713 ret = phy_ethtool_set_wol(dev->phydev, wol); 714 if (!ret) 715 device_set_wakeup_enable(&dev->dev, wol->wolopts); 716 717 return ret; 718 } 719 720 static void enetc_get_pauseparam(struct net_device *dev, 721 struct ethtool_pauseparam *pause) 722 { 723 struct enetc_ndev_priv *priv = netdev_priv(dev); 724 725 phylink_ethtool_get_pauseparam(priv->phylink, pause); 726 } 727 728 static int enetc_set_pauseparam(struct net_device *dev, 729 struct ethtool_pauseparam *pause) 730 { 731 struct enetc_ndev_priv *priv = netdev_priv(dev); 732 733 return phylink_ethtool_set_pauseparam(priv->phylink, pause); 734 } 735 736 static int enetc_get_link_ksettings(struct net_device *dev, 737 struct ethtool_link_ksettings *cmd) 738 { 739 struct enetc_ndev_priv *priv = netdev_priv(dev); 740 741 if (!priv->phylink) 742 return -EOPNOTSUPP; 743 744 return phylink_ethtool_ksettings_get(priv->phylink, cmd); 745 } 746 747 static int enetc_set_link_ksettings(struct net_device *dev, 748 const struct ethtool_link_ksettings *cmd) 749 { 750 struct enetc_ndev_priv *priv = netdev_priv(dev); 751 752 if (!priv->phylink) 753 return -EOPNOTSUPP; 754 755 return phylink_ethtool_ksettings_set(priv->phylink, cmd); 756 } 757 758 static const struct ethtool_ops enetc_pf_ethtool_ops = { 759 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 760 ETHTOOL_COALESCE_MAX_FRAMES | 761 ETHTOOL_COALESCE_USE_ADAPTIVE_RX, 762 .get_regs_len = enetc_get_reglen, 763 .get_regs = enetc_get_regs, 764 .get_sset_count = enetc_get_sset_count, 765 .get_strings = enetc_get_strings, 766 .get_ethtool_stats = enetc_get_ethtool_stats, 767 .get_rxnfc = enetc_get_rxnfc, 768 .set_rxnfc = enetc_set_rxnfc, 769 .get_rxfh_key_size = enetc_get_rxfh_key_size, 770 .get_rxfh_indir_size = enetc_get_rxfh_indir_size, 771 .get_rxfh = enetc_get_rxfh, 772 .set_rxfh = enetc_set_rxfh, 773 .get_ringparam = enetc_get_ringparam, 774 .get_coalesce = enetc_get_coalesce, 775 .set_coalesce = enetc_set_coalesce, 776 .get_link_ksettings = enetc_get_link_ksettings, 777 .set_link_ksettings = enetc_set_link_ksettings, 778 .get_link = ethtool_op_get_link, 779 .get_ts_info = enetc_get_ts_info, 780 .get_wol = enetc_get_wol, 781 .set_wol = enetc_set_wol, 782 .get_pauseparam = enetc_get_pauseparam, 783 .set_pauseparam = enetc_set_pauseparam, 784 }; 785 786 static const struct ethtool_ops enetc_vf_ethtool_ops = { 787 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 788 ETHTOOL_COALESCE_MAX_FRAMES | 789 ETHTOOL_COALESCE_USE_ADAPTIVE_RX, 790 .get_regs_len = enetc_get_reglen, 791 .get_regs = enetc_get_regs, 792 .get_sset_count = enetc_get_sset_count, 793 .get_strings = enetc_get_strings, 794 .get_ethtool_stats = enetc_get_ethtool_stats, 795 .get_rxnfc = enetc_get_rxnfc, 796 .set_rxnfc = enetc_set_rxnfc, 797 .get_rxfh_indir_size = enetc_get_rxfh_indir_size, 798 .get_rxfh = enetc_get_rxfh, 799 .set_rxfh = enetc_set_rxfh, 800 .get_ringparam = enetc_get_ringparam, 801 .get_coalesce = enetc_get_coalesce, 802 .set_coalesce = enetc_set_coalesce, 803 .get_link = ethtool_op_get_link, 804 .get_ts_info = enetc_get_ts_info, 805 }; 806 807 void enetc_set_ethtool_ops(struct net_device *ndev) 808 { 809 struct enetc_ndev_priv *priv = netdev_priv(ndev); 810 811 if (enetc_si_is_pf(priv->si)) 812 ndev->ethtool_ops = &enetc_pf_ethtool_ops; 813 else 814 ndev->ethtool_ops = &enetc_vf_ethtool_ops; 815 } 816