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_PM_REOCT(0), "MAC rx ethernet octets" }, 129 { ENETC_PM_RALN(0), "MAC rx alignment errors" }, 130 { ENETC_PM_RXPF(0), "MAC rx valid pause frames" }, 131 { ENETC_PM_RFRM(0), "MAC rx valid frames" }, 132 { ENETC_PM_RFCS(0), "MAC rx fcs errors" }, 133 { ENETC_PM_RVLAN(0), "MAC rx VLAN frames" }, 134 { ENETC_PM_RERR(0), "MAC rx frame errors" }, 135 { ENETC_PM_RUCA(0), "MAC rx unicast frames" }, 136 { ENETC_PM_RMCA(0), "MAC rx multicast frames" }, 137 { ENETC_PM_RBCA(0), "MAC rx broadcast frames" }, 138 { ENETC_PM_RDRP(0), "MAC rx dropped packets" }, 139 { ENETC_PM_RPKT(0), "MAC rx packets" }, 140 { ENETC_PM_RUND(0), "MAC rx undersized packets" }, 141 { ENETC_PM_R64(0), "MAC rx 64 byte packets" }, 142 { ENETC_PM_R127(0), "MAC rx 65-127 byte packets" }, 143 { ENETC_PM_R255(0), "MAC rx 128-255 byte packets" }, 144 { ENETC_PM_R511(0), "MAC rx 256-511 byte packets" }, 145 { ENETC_PM_R1023(0), "MAC rx 512-1023 byte packets" }, 146 { ENETC_PM_R1522(0), "MAC rx 1024-1522 byte packets" }, 147 { ENETC_PM_R1523X(0), "MAC rx 1523 to max-octet packets" }, 148 { ENETC_PM_ROVR(0), "MAC rx oversized packets" }, 149 { ENETC_PM_RJBR(0), "MAC rx jabber packets" }, 150 { ENETC_PM_RFRG(0), "MAC rx fragment packets" }, 151 { ENETC_PM_RCNP(0), "MAC rx control packets" }, 152 { ENETC_PM_RDRNTP(0), "MAC rx fifo drop" }, 153 { ENETC_PM_TEOCT(0), "MAC tx ethernet octets" }, 154 { ENETC_PM_TOCT(0), "MAC tx octets" }, 155 { ENETC_PM_TCRSE(0), "MAC tx carrier sense errors" }, 156 { ENETC_PM_TXPF(0), "MAC tx valid pause frames" }, 157 { ENETC_PM_TFRM(0), "MAC tx frames" }, 158 { ENETC_PM_TFCS(0), "MAC tx fcs errors" }, 159 { ENETC_PM_TVLAN(0), "MAC tx VLAN frames" }, 160 { ENETC_PM_TERR(0), "MAC tx frame errors" }, 161 { ENETC_PM_TUCA(0), "MAC tx unicast frames" }, 162 { ENETC_PM_TMCA(0), "MAC tx multicast frames" }, 163 { ENETC_PM_TBCA(0), "MAC tx broadcast frames" }, 164 { ENETC_PM_TPKT(0), "MAC tx packets" }, 165 { ENETC_PM_TUND(0), "MAC tx undersized packets" }, 166 { ENETC_PM_T64(0), "MAC tx 64 byte packets" }, 167 { ENETC_PM_T127(0), "MAC tx 65-127 byte packets" }, 168 { ENETC_PM_T255(0), "MAC tx 128-255 byte packets" }, 169 { ENETC_PM_T511(0), "MAC tx 256-511 byte packets" }, 170 { ENETC_PM_T1023(0), "MAC tx 512-1023 byte packets" }, 171 { ENETC_PM_T1522(0), "MAC tx 1024-1522 byte packets" }, 172 { ENETC_PM_T1523X(0), "MAC tx 1523 to max-octet packets" }, 173 { ENETC_PM_TCNP(0), "MAC tx control packets" }, 174 { ENETC_PM_TDFR(0), "MAC tx deferred packets" }, 175 { ENETC_PM_TMCOL(0), "MAC tx multiple collisions" }, 176 { ENETC_PM_TSCOL(0), "MAC tx single collisions" }, 177 { ENETC_PM_TLCOL(0), "MAC tx late collisions" }, 178 { ENETC_PM_TECOL(0), "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 }; 201 202 static const char tx_ring_stats[][ETH_GSTRING_LEN] = { 203 "Tx ring %2d frames", 204 "Tx ring %2d XDP frames", 205 "Tx ring %2d XDP drops", 206 "Tx window drop %2d frames", 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 strscpy(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 strscpy(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 data[o++] = priv->tx_ring[i]->stats.win_drop; 283 } 284 285 for (i = 0; i < priv->num_rx_rings; i++) { 286 data[o++] = priv->rx_ring[i]->stats.packets; 287 data[o++] = priv->rx_ring[i]->stats.rx_alloc_errs; 288 data[o++] = priv->rx_ring[i]->stats.xdp_drops; 289 data[o++] = priv->rx_ring[i]->stats.recycles; 290 data[o++] = priv->rx_ring[i]->stats.recycle_failures; 291 data[o++] = priv->rx_ring[i]->stats.xdp_redirect; 292 data[o++] = priv->rx_ring[i]->stats.xdp_redirect_failures; 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 static void enetc_get_pause_stats(struct net_device *ndev, 303 struct ethtool_pause_stats *pause_stats) 304 { 305 struct enetc_ndev_priv *priv = netdev_priv(ndev); 306 struct enetc_hw *hw = &priv->si->hw; 307 308 pause_stats->tx_pause_frames = enetc_port_rd(hw, ENETC_PM_TXPF(0)); 309 pause_stats->rx_pause_frames = enetc_port_rd(hw, ENETC_PM_RXPF(0)); 310 } 311 312 static void enetc_mac_stats(struct enetc_hw *hw, int mac, 313 struct ethtool_eth_mac_stats *s) 314 { 315 s->FramesTransmittedOK = enetc_port_rd(hw, ENETC_PM_TFRM(mac)); 316 s->SingleCollisionFrames = enetc_port_rd(hw, ENETC_PM_TSCOL(mac)); 317 s->MultipleCollisionFrames = enetc_port_rd(hw, ENETC_PM_TMCOL(mac)); 318 s->FramesReceivedOK = enetc_port_rd(hw, ENETC_PM_RFRM(mac)); 319 s->FrameCheckSequenceErrors = enetc_port_rd(hw, ENETC_PM_RFCS(mac)); 320 s->AlignmentErrors = enetc_port_rd(hw, ENETC_PM_RALN(mac)); 321 s->OctetsTransmittedOK = enetc_port_rd(hw, ENETC_PM_TEOCT(mac)); 322 s->FramesWithDeferredXmissions = enetc_port_rd(hw, ENETC_PM_TDFR(mac)); 323 s->LateCollisions = enetc_port_rd(hw, ENETC_PM_TLCOL(mac)); 324 s->FramesAbortedDueToXSColls = enetc_port_rd(hw, ENETC_PM_TECOL(mac)); 325 s->FramesLostDueToIntMACXmitError = enetc_port_rd(hw, ENETC_PM_TERR(mac)); 326 s->CarrierSenseErrors = enetc_port_rd(hw, ENETC_PM_TCRSE(mac)); 327 s->OctetsReceivedOK = enetc_port_rd(hw, ENETC_PM_REOCT(mac)); 328 s->FramesLostDueToIntMACRcvError = enetc_port_rd(hw, ENETC_PM_RDRNTP(mac)); 329 s->MulticastFramesXmittedOK = enetc_port_rd(hw, ENETC_PM_TMCA(mac)); 330 s->BroadcastFramesXmittedOK = enetc_port_rd(hw, ENETC_PM_TBCA(mac)); 331 s->MulticastFramesReceivedOK = enetc_port_rd(hw, ENETC_PM_RMCA(mac)); 332 s->BroadcastFramesReceivedOK = enetc_port_rd(hw, ENETC_PM_RBCA(mac)); 333 } 334 335 static void enetc_ctrl_stats(struct enetc_hw *hw, int mac, 336 struct ethtool_eth_ctrl_stats *s) 337 { 338 s->MACControlFramesTransmitted = enetc_port_rd(hw, ENETC_PM_TCNP(mac)); 339 s->MACControlFramesReceived = enetc_port_rd(hw, ENETC_PM_RCNP(mac)); 340 } 341 342 static const struct ethtool_rmon_hist_range enetc_rmon_ranges[] = { 343 { 64, 64 }, 344 { 65, 127 }, 345 { 128, 255 }, 346 { 256, 511 }, 347 { 512, 1023 }, 348 { 1024, 1522 }, 349 { 1523, ENETC_MAC_MAXFRM_SIZE }, 350 {}, 351 }; 352 353 static void enetc_rmon_stats(struct enetc_hw *hw, int mac, 354 struct ethtool_rmon_stats *s, 355 const struct ethtool_rmon_hist_range **ranges) 356 { 357 s->undersize_pkts = enetc_port_rd(hw, ENETC_PM_RUND(mac)); 358 s->oversize_pkts = enetc_port_rd(hw, ENETC_PM_ROVR(mac)); 359 s->fragments = enetc_port_rd(hw, ENETC_PM_RFRG(mac)); 360 s->jabbers = enetc_port_rd(hw, ENETC_PM_RJBR(mac)); 361 362 s->hist[0] = enetc_port_rd(hw, ENETC_PM_R64(mac)); 363 s->hist[1] = enetc_port_rd(hw, ENETC_PM_R127(mac)); 364 s->hist[2] = enetc_port_rd(hw, ENETC_PM_R255(mac)); 365 s->hist[3] = enetc_port_rd(hw, ENETC_PM_R511(mac)); 366 s->hist[4] = enetc_port_rd(hw, ENETC_PM_R1023(mac)); 367 s->hist[5] = enetc_port_rd(hw, ENETC_PM_R1522(mac)); 368 s->hist[6] = enetc_port_rd(hw, ENETC_PM_R1523X(mac)); 369 370 s->hist_tx[0] = enetc_port_rd(hw, ENETC_PM_T64(mac)); 371 s->hist_tx[1] = enetc_port_rd(hw, ENETC_PM_T127(mac)); 372 s->hist_tx[2] = enetc_port_rd(hw, ENETC_PM_T255(mac)); 373 s->hist_tx[3] = enetc_port_rd(hw, ENETC_PM_T511(mac)); 374 s->hist_tx[4] = enetc_port_rd(hw, ENETC_PM_T1023(mac)); 375 s->hist_tx[5] = enetc_port_rd(hw, ENETC_PM_T1522(mac)); 376 s->hist_tx[6] = enetc_port_rd(hw, ENETC_PM_T1523X(mac)); 377 378 *ranges = enetc_rmon_ranges; 379 } 380 381 static void enetc_get_eth_mac_stats(struct net_device *ndev, 382 struct ethtool_eth_mac_stats *mac_stats) 383 { 384 struct enetc_ndev_priv *priv = netdev_priv(ndev); 385 struct enetc_hw *hw = &priv->si->hw; 386 387 enetc_mac_stats(hw, 0, mac_stats); 388 } 389 390 static void enetc_get_eth_ctrl_stats(struct net_device *ndev, 391 struct ethtool_eth_ctrl_stats *ctrl_stats) 392 { 393 struct enetc_ndev_priv *priv = netdev_priv(ndev); 394 struct enetc_hw *hw = &priv->si->hw; 395 396 enetc_ctrl_stats(hw, 0, ctrl_stats); 397 } 398 399 static void enetc_get_rmon_stats(struct net_device *ndev, 400 struct ethtool_rmon_stats *rmon_stats, 401 const struct ethtool_rmon_hist_range **ranges) 402 { 403 struct enetc_ndev_priv *priv = netdev_priv(ndev); 404 struct enetc_hw *hw = &priv->si->hw; 405 406 enetc_rmon_stats(hw, 0, rmon_stats, ranges); 407 } 408 409 #define ENETC_RSSHASH_L3 (RXH_L2DA | RXH_VLAN | RXH_L3_PROTO | RXH_IP_SRC | \ 410 RXH_IP_DST) 411 #define ENETC_RSSHASH_L4 (ENETC_RSSHASH_L3 | RXH_L4_B_0_1 | RXH_L4_B_2_3) 412 static int enetc_get_rsshash(struct ethtool_rxnfc *rxnfc) 413 { 414 static const u32 rsshash[] = { 415 [TCP_V4_FLOW] = ENETC_RSSHASH_L4, 416 [UDP_V4_FLOW] = ENETC_RSSHASH_L4, 417 [SCTP_V4_FLOW] = ENETC_RSSHASH_L4, 418 [AH_ESP_V4_FLOW] = ENETC_RSSHASH_L3, 419 [IPV4_FLOW] = ENETC_RSSHASH_L3, 420 [TCP_V6_FLOW] = ENETC_RSSHASH_L4, 421 [UDP_V6_FLOW] = ENETC_RSSHASH_L4, 422 [SCTP_V6_FLOW] = ENETC_RSSHASH_L4, 423 [AH_ESP_V6_FLOW] = ENETC_RSSHASH_L3, 424 [IPV6_FLOW] = ENETC_RSSHASH_L3, 425 [ETHER_FLOW] = 0, 426 }; 427 428 if (rxnfc->flow_type >= ARRAY_SIZE(rsshash)) 429 return -EINVAL; 430 431 rxnfc->data = rsshash[rxnfc->flow_type]; 432 433 return 0; 434 } 435 436 /* current HW spec does byte reversal on everything including MAC addresses */ 437 static void ether_addr_copy_swap(u8 *dst, const u8 *src) 438 { 439 int i; 440 441 for (i = 0; i < ETH_ALEN; i++) 442 dst[i] = src[ETH_ALEN - i - 1]; 443 } 444 445 static int enetc_set_cls_entry(struct enetc_si *si, 446 struct ethtool_rx_flow_spec *fs, bool en) 447 { 448 struct ethtool_tcpip4_spec *l4ip4_h, *l4ip4_m; 449 struct ethtool_usrip4_spec *l3ip4_h, *l3ip4_m; 450 struct ethhdr *eth_h, *eth_m; 451 struct enetc_cmd_rfse rfse = { {0} }; 452 453 if (!en) 454 goto done; 455 456 switch (fs->flow_type & 0xff) { 457 case TCP_V4_FLOW: 458 l4ip4_h = &fs->h_u.tcp_ip4_spec; 459 l4ip4_m = &fs->m_u.tcp_ip4_spec; 460 goto l4ip4; 461 case UDP_V4_FLOW: 462 l4ip4_h = &fs->h_u.udp_ip4_spec; 463 l4ip4_m = &fs->m_u.udp_ip4_spec; 464 goto l4ip4; 465 case SCTP_V4_FLOW: 466 l4ip4_h = &fs->h_u.sctp_ip4_spec; 467 l4ip4_m = &fs->m_u.sctp_ip4_spec; 468 l4ip4: 469 rfse.sip_h[0] = l4ip4_h->ip4src; 470 rfse.sip_m[0] = l4ip4_m->ip4src; 471 rfse.dip_h[0] = l4ip4_h->ip4dst; 472 rfse.dip_m[0] = l4ip4_m->ip4dst; 473 rfse.sport_h = ntohs(l4ip4_h->psrc); 474 rfse.sport_m = ntohs(l4ip4_m->psrc); 475 rfse.dport_h = ntohs(l4ip4_h->pdst); 476 rfse.dport_m = ntohs(l4ip4_m->pdst); 477 if (l4ip4_m->tos) 478 netdev_warn(si->ndev, "ToS field is not supported and was ignored\n"); 479 rfse.ethtype_h = ETH_P_IP; /* IPv4 */ 480 rfse.ethtype_m = 0xffff; 481 break; 482 case IP_USER_FLOW: 483 l3ip4_h = &fs->h_u.usr_ip4_spec; 484 l3ip4_m = &fs->m_u.usr_ip4_spec; 485 486 rfse.sip_h[0] = l3ip4_h->ip4src; 487 rfse.sip_m[0] = l3ip4_m->ip4src; 488 rfse.dip_h[0] = l3ip4_h->ip4dst; 489 rfse.dip_m[0] = l3ip4_m->ip4dst; 490 if (l3ip4_m->tos) 491 netdev_warn(si->ndev, "ToS field is not supported and was ignored\n"); 492 rfse.ethtype_h = ETH_P_IP; /* IPv4 */ 493 rfse.ethtype_m = 0xffff; 494 break; 495 case ETHER_FLOW: 496 eth_h = &fs->h_u.ether_spec; 497 eth_m = &fs->m_u.ether_spec; 498 499 ether_addr_copy_swap(rfse.smac_h, eth_h->h_source); 500 ether_addr_copy_swap(rfse.smac_m, eth_m->h_source); 501 ether_addr_copy_swap(rfse.dmac_h, eth_h->h_dest); 502 ether_addr_copy_swap(rfse.dmac_m, eth_m->h_dest); 503 rfse.ethtype_h = ntohs(eth_h->h_proto); 504 rfse.ethtype_m = ntohs(eth_m->h_proto); 505 break; 506 default: 507 return -EOPNOTSUPP; 508 } 509 510 rfse.mode |= ENETC_RFSE_EN; 511 if (fs->ring_cookie != RX_CLS_FLOW_DISC) { 512 rfse.mode |= ENETC_RFSE_MODE_BD; 513 rfse.result = fs->ring_cookie; 514 } 515 done: 516 return enetc_set_fs_entry(si, &rfse, fs->location); 517 } 518 519 static int enetc_get_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc, 520 u32 *rule_locs) 521 { 522 struct enetc_ndev_priv *priv = netdev_priv(ndev); 523 int i, j; 524 525 switch (rxnfc->cmd) { 526 case ETHTOOL_GRXRINGS: 527 rxnfc->data = priv->num_rx_rings; 528 break; 529 case ETHTOOL_GRXFH: 530 /* get RSS hash config */ 531 return enetc_get_rsshash(rxnfc); 532 case ETHTOOL_GRXCLSRLCNT: 533 /* total number of entries */ 534 rxnfc->data = priv->si->num_fs_entries; 535 /* number of entries in use */ 536 rxnfc->rule_cnt = 0; 537 for (i = 0; i < priv->si->num_fs_entries; i++) 538 if (priv->cls_rules[i].used) 539 rxnfc->rule_cnt++; 540 break; 541 case ETHTOOL_GRXCLSRULE: 542 if (rxnfc->fs.location >= priv->si->num_fs_entries) 543 return -EINVAL; 544 545 /* get entry x */ 546 rxnfc->fs = priv->cls_rules[rxnfc->fs.location].fs; 547 break; 548 case ETHTOOL_GRXCLSRLALL: 549 /* total number of entries */ 550 rxnfc->data = priv->si->num_fs_entries; 551 /* array of indexes of used entries */ 552 j = 0; 553 for (i = 0; i < priv->si->num_fs_entries; i++) { 554 if (!priv->cls_rules[i].used) 555 continue; 556 if (j == rxnfc->rule_cnt) 557 return -EMSGSIZE; 558 rule_locs[j++] = i; 559 } 560 /* number of entries in use */ 561 rxnfc->rule_cnt = j; 562 break; 563 default: 564 return -EOPNOTSUPP; 565 } 566 567 return 0; 568 } 569 570 static int enetc_set_rxnfc(struct net_device *ndev, struct ethtool_rxnfc *rxnfc) 571 { 572 struct enetc_ndev_priv *priv = netdev_priv(ndev); 573 int err; 574 575 switch (rxnfc->cmd) { 576 case ETHTOOL_SRXCLSRLINS: 577 if (rxnfc->fs.location >= priv->si->num_fs_entries) 578 return -EINVAL; 579 580 if (rxnfc->fs.ring_cookie >= priv->num_rx_rings && 581 rxnfc->fs.ring_cookie != RX_CLS_FLOW_DISC) 582 return -EINVAL; 583 584 err = enetc_set_cls_entry(priv->si, &rxnfc->fs, true); 585 if (err) 586 return err; 587 priv->cls_rules[rxnfc->fs.location].fs = rxnfc->fs; 588 priv->cls_rules[rxnfc->fs.location].used = 1; 589 break; 590 case ETHTOOL_SRXCLSRLDEL: 591 if (rxnfc->fs.location >= priv->si->num_fs_entries) 592 return -EINVAL; 593 594 err = enetc_set_cls_entry(priv->si, &rxnfc->fs, false); 595 if (err) 596 return err; 597 priv->cls_rules[rxnfc->fs.location].used = 0; 598 break; 599 default: 600 return -EOPNOTSUPP; 601 } 602 603 return 0; 604 } 605 606 static u32 enetc_get_rxfh_key_size(struct net_device *ndev) 607 { 608 struct enetc_ndev_priv *priv = netdev_priv(ndev); 609 610 /* return the size of the RX flow hash key. PF only */ 611 return (priv->si->hw.port) ? ENETC_RSSHASH_KEY_SIZE : 0; 612 } 613 614 static u32 enetc_get_rxfh_indir_size(struct net_device *ndev) 615 { 616 struct enetc_ndev_priv *priv = netdev_priv(ndev); 617 618 /* return the size of the RX flow hash indirection table */ 619 return priv->si->num_rss; 620 } 621 622 static int enetc_get_rxfh(struct net_device *ndev, u32 *indir, u8 *key, 623 u8 *hfunc) 624 { 625 struct enetc_ndev_priv *priv = netdev_priv(ndev); 626 struct enetc_hw *hw = &priv->si->hw; 627 int err = 0, i; 628 629 /* return hash function */ 630 if (hfunc) 631 *hfunc = ETH_RSS_HASH_TOP; 632 633 /* return hash key */ 634 if (key && hw->port) 635 for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++) 636 ((u32 *)key)[i] = enetc_port_rd(hw, ENETC_PRSSK(i)); 637 638 /* return RSS table */ 639 if (indir) 640 err = enetc_get_rss_table(priv->si, indir, priv->si->num_rss); 641 642 return err; 643 } 644 645 void enetc_set_rss_key(struct enetc_hw *hw, const u8 *bytes) 646 { 647 int i; 648 649 for (i = 0; i < ENETC_RSSHASH_KEY_SIZE / 4; i++) 650 enetc_port_wr(hw, ENETC_PRSSK(i), ((u32 *)bytes)[i]); 651 } 652 653 static int enetc_set_rxfh(struct net_device *ndev, const u32 *indir, 654 const u8 *key, const u8 hfunc) 655 { 656 struct enetc_ndev_priv *priv = netdev_priv(ndev); 657 struct enetc_hw *hw = &priv->si->hw; 658 int err = 0; 659 660 /* set hash key, if PF */ 661 if (key && hw->port) 662 enetc_set_rss_key(hw, key); 663 664 /* set RSS table */ 665 if (indir) 666 err = enetc_set_rss_table(priv->si, indir, priv->si->num_rss); 667 668 return err; 669 } 670 671 static void enetc_get_ringparam(struct net_device *ndev, 672 struct ethtool_ringparam *ring, 673 struct kernel_ethtool_ringparam *kernel_ring, 674 struct netlink_ext_ack *extack) 675 { 676 struct enetc_ndev_priv *priv = netdev_priv(ndev); 677 678 ring->rx_pending = priv->rx_bd_count; 679 ring->tx_pending = priv->tx_bd_count; 680 681 /* do some h/w sanity checks for BDR length */ 682 if (netif_running(ndev)) { 683 struct enetc_hw *hw = &priv->si->hw; 684 u32 val = enetc_rxbdr_rd(hw, 0, ENETC_RBLENR); 685 686 if (val != priv->rx_bd_count) 687 netif_err(priv, hw, ndev, "RxBDR[RBLENR] = %d!\n", val); 688 689 val = enetc_txbdr_rd(hw, 0, ENETC_TBLENR); 690 691 if (val != priv->tx_bd_count) 692 netif_err(priv, hw, ndev, "TxBDR[TBLENR] = %d!\n", val); 693 } 694 } 695 696 static int enetc_get_coalesce(struct net_device *ndev, 697 struct ethtool_coalesce *ic, 698 struct kernel_ethtool_coalesce *kernel_coal, 699 struct netlink_ext_ack *extack) 700 { 701 struct enetc_ndev_priv *priv = netdev_priv(ndev); 702 struct enetc_int_vector *v = priv->int_vector[0]; 703 704 ic->tx_coalesce_usecs = enetc_cycles_to_usecs(priv->tx_ictt); 705 ic->rx_coalesce_usecs = enetc_cycles_to_usecs(v->rx_ictt); 706 707 ic->tx_max_coalesced_frames = ENETC_TXIC_PKTTHR; 708 ic->rx_max_coalesced_frames = ENETC_RXIC_PKTTHR; 709 710 ic->use_adaptive_rx_coalesce = priv->ic_mode & ENETC_IC_RX_ADAPTIVE; 711 712 return 0; 713 } 714 715 static int enetc_set_coalesce(struct net_device *ndev, 716 struct ethtool_coalesce *ic, 717 struct kernel_ethtool_coalesce *kernel_coal, 718 struct netlink_ext_ack *extack) 719 { 720 struct enetc_ndev_priv *priv = netdev_priv(ndev); 721 u32 rx_ictt, tx_ictt; 722 int i, ic_mode; 723 bool changed; 724 725 tx_ictt = enetc_usecs_to_cycles(ic->tx_coalesce_usecs); 726 rx_ictt = enetc_usecs_to_cycles(ic->rx_coalesce_usecs); 727 728 if (ic->rx_max_coalesced_frames != ENETC_RXIC_PKTTHR) 729 return -EOPNOTSUPP; 730 731 if (ic->tx_max_coalesced_frames != ENETC_TXIC_PKTTHR) 732 return -EOPNOTSUPP; 733 734 ic_mode = ENETC_IC_NONE; 735 if (ic->use_adaptive_rx_coalesce) { 736 ic_mode |= ENETC_IC_RX_ADAPTIVE; 737 rx_ictt = 0x1; 738 } else { 739 ic_mode |= rx_ictt ? ENETC_IC_RX_MANUAL : 0; 740 } 741 742 ic_mode |= tx_ictt ? ENETC_IC_TX_MANUAL : 0; 743 744 /* commit the settings */ 745 changed = (ic_mode != priv->ic_mode) || (priv->tx_ictt != tx_ictt); 746 747 priv->ic_mode = ic_mode; 748 priv->tx_ictt = tx_ictt; 749 750 for (i = 0; i < priv->bdr_int_num; i++) { 751 struct enetc_int_vector *v = priv->int_vector[i]; 752 753 v->rx_ictt = rx_ictt; 754 v->rx_dim_en = !!(ic_mode & ENETC_IC_RX_ADAPTIVE); 755 } 756 757 if (netif_running(ndev) && changed) { 758 /* reconfigure the operation mode of h/w interrupts, 759 * traffic needs to be paused in the process 760 */ 761 enetc_stop(ndev); 762 enetc_start(ndev); 763 } 764 765 return 0; 766 } 767 768 static int enetc_get_ts_info(struct net_device *ndev, 769 struct ethtool_ts_info *info) 770 { 771 int *phc_idx; 772 773 phc_idx = symbol_get(enetc_phc_index); 774 if (phc_idx) { 775 info->phc_index = *phc_idx; 776 symbol_put(enetc_phc_index); 777 } else { 778 info->phc_index = -1; 779 } 780 781 #ifdef CONFIG_FSL_ENETC_PTP_CLOCK 782 info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE | 783 SOF_TIMESTAMPING_RX_HARDWARE | 784 SOF_TIMESTAMPING_RAW_HARDWARE | 785 SOF_TIMESTAMPING_TX_SOFTWARE | 786 SOF_TIMESTAMPING_RX_SOFTWARE | 787 SOF_TIMESTAMPING_SOFTWARE; 788 789 info->tx_types = (1 << HWTSTAMP_TX_OFF) | 790 (1 << HWTSTAMP_TX_ON) | 791 (1 << HWTSTAMP_TX_ONESTEP_SYNC); 792 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | 793 (1 << HWTSTAMP_FILTER_ALL); 794 #else 795 info->so_timestamping = SOF_TIMESTAMPING_RX_SOFTWARE | 796 SOF_TIMESTAMPING_TX_SOFTWARE | 797 SOF_TIMESTAMPING_SOFTWARE; 798 #endif 799 return 0; 800 } 801 802 static void enetc_get_wol(struct net_device *dev, 803 struct ethtool_wolinfo *wol) 804 { 805 wol->supported = 0; 806 wol->wolopts = 0; 807 808 if (dev->phydev) 809 phy_ethtool_get_wol(dev->phydev, wol); 810 } 811 812 static int enetc_set_wol(struct net_device *dev, 813 struct ethtool_wolinfo *wol) 814 { 815 int ret; 816 817 if (!dev->phydev) 818 return -EOPNOTSUPP; 819 820 ret = phy_ethtool_set_wol(dev->phydev, wol); 821 if (!ret) 822 device_set_wakeup_enable(&dev->dev, wol->wolopts); 823 824 return ret; 825 } 826 827 static void enetc_get_pauseparam(struct net_device *dev, 828 struct ethtool_pauseparam *pause) 829 { 830 struct enetc_ndev_priv *priv = netdev_priv(dev); 831 832 phylink_ethtool_get_pauseparam(priv->phylink, pause); 833 } 834 835 static int enetc_set_pauseparam(struct net_device *dev, 836 struct ethtool_pauseparam *pause) 837 { 838 struct enetc_ndev_priv *priv = netdev_priv(dev); 839 840 return phylink_ethtool_set_pauseparam(priv->phylink, pause); 841 } 842 843 static int enetc_get_link_ksettings(struct net_device *dev, 844 struct ethtool_link_ksettings *cmd) 845 { 846 struct enetc_ndev_priv *priv = netdev_priv(dev); 847 848 if (!priv->phylink) 849 return -EOPNOTSUPP; 850 851 return phylink_ethtool_ksettings_get(priv->phylink, cmd); 852 } 853 854 static int enetc_set_link_ksettings(struct net_device *dev, 855 const struct ethtool_link_ksettings *cmd) 856 { 857 struct enetc_ndev_priv *priv = netdev_priv(dev); 858 859 if (!priv->phylink) 860 return -EOPNOTSUPP; 861 862 return phylink_ethtool_ksettings_set(priv->phylink, cmd); 863 } 864 865 static const struct ethtool_ops enetc_pf_ethtool_ops = { 866 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 867 ETHTOOL_COALESCE_MAX_FRAMES | 868 ETHTOOL_COALESCE_USE_ADAPTIVE_RX, 869 .get_regs_len = enetc_get_reglen, 870 .get_regs = enetc_get_regs, 871 .get_sset_count = enetc_get_sset_count, 872 .get_strings = enetc_get_strings, 873 .get_ethtool_stats = enetc_get_ethtool_stats, 874 .get_pause_stats = enetc_get_pause_stats, 875 .get_rmon_stats = enetc_get_rmon_stats, 876 .get_eth_ctrl_stats = enetc_get_eth_ctrl_stats, 877 .get_eth_mac_stats = enetc_get_eth_mac_stats, 878 .get_rxnfc = enetc_get_rxnfc, 879 .set_rxnfc = enetc_set_rxnfc, 880 .get_rxfh_key_size = enetc_get_rxfh_key_size, 881 .get_rxfh_indir_size = enetc_get_rxfh_indir_size, 882 .get_rxfh = enetc_get_rxfh, 883 .set_rxfh = enetc_set_rxfh, 884 .get_ringparam = enetc_get_ringparam, 885 .get_coalesce = enetc_get_coalesce, 886 .set_coalesce = enetc_set_coalesce, 887 .get_link_ksettings = enetc_get_link_ksettings, 888 .set_link_ksettings = enetc_set_link_ksettings, 889 .get_link = ethtool_op_get_link, 890 .get_ts_info = enetc_get_ts_info, 891 .get_wol = enetc_get_wol, 892 .set_wol = enetc_set_wol, 893 .get_pauseparam = enetc_get_pauseparam, 894 .set_pauseparam = enetc_set_pauseparam, 895 }; 896 897 static const struct ethtool_ops enetc_vf_ethtool_ops = { 898 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 899 ETHTOOL_COALESCE_MAX_FRAMES | 900 ETHTOOL_COALESCE_USE_ADAPTIVE_RX, 901 .get_regs_len = enetc_get_reglen, 902 .get_regs = enetc_get_regs, 903 .get_sset_count = enetc_get_sset_count, 904 .get_strings = enetc_get_strings, 905 .get_ethtool_stats = enetc_get_ethtool_stats, 906 .get_rxnfc = enetc_get_rxnfc, 907 .set_rxnfc = enetc_set_rxnfc, 908 .get_rxfh_indir_size = enetc_get_rxfh_indir_size, 909 .get_rxfh = enetc_get_rxfh, 910 .set_rxfh = enetc_set_rxfh, 911 .get_ringparam = enetc_get_ringparam, 912 .get_coalesce = enetc_get_coalesce, 913 .set_coalesce = enetc_set_coalesce, 914 .get_link = ethtool_op_get_link, 915 .get_ts_info = enetc_get_ts_info, 916 }; 917 918 void enetc_set_ethtool_ops(struct net_device *ndev) 919 { 920 struct enetc_ndev_priv *priv = netdev_priv(ndev); 921 922 if (enetc_si_is_pf(priv->si)) 923 ndev->ethtool_ops = &enetc_pf_ethtool_ops; 924 else 925 ndev->ethtool_ops = &enetc_vf_ethtool_ops; 926 } 927