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 "Tx window drop %2d frames", 208 }; 209 210 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 } 229 230 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 } 268 269 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) 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 */ 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 } 339 340 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 } 413 414 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 } 464 465 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 } 500 501 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 } 508 509 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 } 516 517 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 } 539 540 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 } 547 548 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 } 565 566 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 } 590 591 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 } 609 610 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 } 662 663 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 } 696 697 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 } 706 707 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 } 721 722 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 } 729 730 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 } 737 738 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 } 748 749 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 }; 808 809 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