1 // SPDX-License-Identifier: GPL-2.0-only 2 /******************************************************************************* 3 STMMAC Ethtool support 4 5 Copyright (C) 2007-2009 STMicroelectronics Ltd 6 7 8 Author: Giuseppe Cavallaro <peppe.cavallaro@st.com> 9 *******************************************************************************/ 10 11 #include <linux/etherdevice.h> 12 #include <linux/ethtool.h> 13 #include <linux/interrupt.h> 14 #include <linux/mii.h> 15 #include <linux/phylink.h> 16 #include <linux/net_tstamp.h> 17 #include <asm/io.h> 18 19 #include "stmmac.h" 20 #include "dwmac_dma.h" 21 #include "dwxgmac2.h" 22 23 #define REG_SPACE_SIZE 0x1060 24 #define MAC100_ETHTOOL_NAME "st_mac100" 25 #define GMAC_ETHTOOL_NAME "st_gmac" 26 #define XGMAC_ETHTOOL_NAME "st_xgmac" 27 28 #define ETHTOOL_DMA_OFFSET 55 29 30 struct stmmac_stats { 31 char stat_string[ETH_GSTRING_LEN]; 32 int sizeof_stat; 33 int stat_offset; 34 }; 35 36 #define STMMAC_STAT(m) \ 37 { #m, sizeof_field(struct stmmac_extra_stats, m), \ 38 offsetof(struct stmmac_priv, xstats.m)} 39 40 static const struct stmmac_stats stmmac_gstrings_stats[] = { 41 /* Transmit errors */ 42 STMMAC_STAT(tx_underflow), 43 STMMAC_STAT(tx_carrier), 44 STMMAC_STAT(tx_losscarrier), 45 STMMAC_STAT(vlan_tag), 46 STMMAC_STAT(tx_deferred), 47 STMMAC_STAT(tx_vlan), 48 STMMAC_STAT(tx_jabber), 49 STMMAC_STAT(tx_frame_flushed), 50 STMMAC_STAT(tx_payload_error), 51 STMMAC_STAT(tx_ip_header_error), 52 /* Receive errors */ 53 STMMAC_STAT(rx_desc), 54 STMMAC_STAT(sa_filter_fail), 55 STMMAC_STAT(overflow_error), 56 STMMAC_STAT(ipc_csum_error), 57 STMMAC_STAT(rx_collision), 58 STMMAC_STAT(rx_crc_errors), 59 STMMAC_STAT(dribbling_bit), 60 STMMAC_STAT(rx_length), 61 STMMAC_STAT(rx_mii), 62 STMMAC_STAT(rx_multicast), 63 STMMAC_STAT(rx_gmac_overflow), 64 STMMAC_STAT(rx_watchdog), 65 STMMAC_STAT(da_rx_filter_fail), 66 STMMAC_STAT(sa_rx_filter_fail), 67 STMMAC_STAT(rx_missed_cntr), 68 STMMAC_STAT(rx_overflow_cntr), 69 STMMAC_STAT(rx_vlan), 70 STMMAC_STAT(rx_split_hdr_pkt_n), 71 /* Tx/Rx IRQ error info */ 72 STMMAC_STAT(tx_undeflow_irq), 73 STMMAC_STAT(tx_process_stopped_irq), 74 STMMAC_STAT(tx_jabber_irq), 75 STMMAC_STAT(rx_overflow_irq), 76 STMMAC_STAT(rx_buf_unav_irq), 77 STMMAC_STAT(rx_process_stopped_irq), 78 STMMAC_STAT(rx_watchdog_irq), 79 STMMAC_STAT(tx_early_irq), 80 STMMAC_STAT(fatal_bus_error_irq), 81 /* Tx/Rx IRQ Events */ 82 STMMAC_STAT(rx_early_irq), 83 STMMAC_STAT(threshold), 84 STMMAC_STAT(tx_pkt_n), 85 STMMAC_STAT(rx_pkt_n), 86 STMMAC_STAT(normal_irq_n), 87 STMMAC_STAT(rx_normal_irq_n), 88 STMMAC_STAT(napi_poll), 89 STMMAC_STAT(tx_normal_irq_n), 90 STMMAC_STAT(tx_clean), 91 STMMAC_STAT(tx_set_ic_bit), 92 STMMAC_STAT(irq_receive_pmt_irq_n), 93 /* MMC info */ 94 STMMAC_STAT(mmc_tx_irq_n), 95 STMMAC_STAT(mmc_rx_irq_n), 96 STMMAC_STAT(mmc_rx_csum_offload_irq_n), 97 /* EEE */ 98 STMMAC_STAT(irq_tx_path_in_lpi_mode_n), 99 STMMAC_STAT(irq_tx_path_exit_lpi_mode_n), 100 STMMAC_STAT(irq_rx_path_in_lpi_mode_n), 101 STMMAC_STAT(irq_rx_path_exit_lpi_mode_n), 102 STMMAC_STAT(phy_eee_wakeup_error_n), 103 /* Extended RDES status */ 104 STMMAC_STAT(ip_hdr_err), 105 STMMAC_STAT(ip_payload_err), 106 STMMAC_STAT(ip_csum_bypassed), 107 STMMAC_STAT(ipv4_pkt_rcvd), 108 STMMAC_STAT(ipv6_pkt_rcvd), 109 STMMAC_STAT(no_ptp_rx_msg_type_ext), 110 STMMAC_STAT(ptp_rx_msg_type_sync), 111 STMMAC_STAT(ptp_rx_msg_type_follow_up), 112 STMMAC_STAT(ptp_rx_msg_type_delay_req), 113 STMMAC_STAT(ptp_rx_msg_type_delay_resp), 114 STMMAC_STAT(ptp_rx_msg_type_pdelay_req), 115 STMMAC_STAT(ptp_rx_msg_type_pdelay_resp), 116 STMMAC_STAT(ptp_rx_msg_type_pdelay_follow_up), 117 STMMAC_STAT(ptp_rx_msg_type_announce), 118 STMMAC_STAT(ptp_rx_msg_type_management), 119 STMMAC_STAT(ptp_rx_msg_pkt_reserved_type), 120 STMMAC_STAT(ptp_frame_type), 121 STMMAC_STAT(ptp_ver), 122 STMMAC_STAT(timestamp_dropped), 123 STMMAC_STAT(av_pkt_rcvd), 124 STMMAC_STAT(av_tagged_pkt_rcvd), 125 STMMAC_STAT(vlan_tag_priority_val), 126 STMMAC_STAT(l3_filter_match), 127 STMMAC_STAT(l4_filter_match), 128 STMMAC_STAT(l3_l4_filter_no_match), 129 /* PCS */ 130 STMMAC_STAT(irq_pcs_ane_n), 131 STMMAC_STAT(irq_pcs_link_n), 132 STMMAC_STAT(irq_rgmii_n), 133 /* DEBUG */ 134 STMMAC_STAT(mtl_tx_status_fifo_full), 135 STMMAC_STAT(mtl_tx_fifo_not_empty), 136 STMMAC_STAT(mmtl_fifo_ctrl), 137 STMMAC_STAT(mtl_tx_fifo_read_ctrl_write), 138 STMMAC_STAT(mtl_tx_fifo_read_ctrl_wait), 139 STMMAC_STAT(mtl_tx_fifo_read_ctrl_read), 140 STMMAC_STAT(mtl_tx_fifo_read_ctrl_idle), 141 STMMAC_STAT(mac_tx_in_pause), 142 STMMAC_STAT(mac_tx_frame_ctrl_xfer), 143 STMMAC_STAT(mac_tx_frame_ctrl_idle), 144 STMMAC_STAT(mac_tx_frame_ctrl_wait), 145 STMMAC_STAT(mac_tx_frame_ctrl_pause), 146 STMMAC_STAT(mac_gmii_tx_proto_engine), 147 STMMAC_STAT(mtl_rx_fifo_fill_level_full), 148 STMMAC_STAT(mtl_rx_fifo_fill_above_thresh), 149 STMMAC_STAT(mtl_rx_fifo_fill_below_thresh), 150 STMMAC_STAT(mtl_rx_fifo_fill_level_empty), 151 STMMAC_STAT(mtl_rx_fifo_read_ctrl_flush), 152 STMMAC_STAT(mtl_rx_fifo_read_ctrl_read_data), 153 STMMAC_STAT(mtl_rx_fifo_read_ctrl_status), 154 STMMAC_STAT(mtl_rx_fifo_read_ctrl_idle), 155 STMMAC_STAT(mtl_rx_fifo_ctrl_active), 156 STMMAC_STAT(mac_rx_frame_ctrl_fifo), 157 STMMAC_STAT(mac_gmii_rx_proto_engine), 158 /* TSO */ 159 STMMAC_STAT(tx_tso_frames), 160 STMMAC_STAT(tx_tso_nfrags), 161 }; 162 #define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats) 163 164 /* HW MAC Management counters (if supported) */ 165 #define STMMAC_MMC_STAT(m) \ 166 { #m, sizeof_field(struct stmmac_counters, m), \ 167 offsetof(struct stmmac_priv, mmc.m)} 168 169 static const struct stmmac_stats stmmac_mmc[] = { 170 STMMAC_MMC_STAT(mmc_tx_octetcount_gb), 171 STMMAC_MMC_STAT(mmc_tx_framecount_gb), 172 STMMAC_MMC_STAT(mmc_tx_broadcastframe_g), 173 STMMAC_MMC_STAT(mmc_tx_multicastframe_g), 174 STMMAC_MMC_STAT(mmc_tx_64_octets_gb), 175 STMMAC_MMC_STAT(mmc_tx_65_to_127_octets_gb), 176 STMMAC_MMC_STAT(mmc_tx_128_to_255_octets_gb), 177 STMMAC_MMC_STAT(mmc_tx_256_to_511_octets_gb), 178 STMMAC_MMC_STAT(mmc_tx_512_to_1023_octets_gb), 179 STMMAC_MMC_STAT(mmc_tx_1024_to_max_octets_gb), 180 STMMAC_MMC_STAT(mmc_tx_unicast_gb), 181 STMMAC_MMC_STAT(mmc_tx_multicast_gb), 182 STMMAC_MMC_STAT(mmc_tx_broadcast_gb), 183 STMMAC_MMC_STAT(mmc_tx_underflow_error), 184 STMMAC_MMC_STAT(mmc_tx_singlecol_g), 185 STMMAC_MMC_STAT(mmc_tx_multicol_g), 186 STMMAC_MMC_STAT(mmc_tx_deferred), 187 STMMAC_MMC_STAT(mmc_tx_latecol), 188 STMMAC_MMC_STAT(mmc_tx_exesscol), 189 STMMAC_MMC_STAT(mmc_tx_carrier_error), 190 STMMAC_MMC_STAT(mmc_tx_octetcount_g), 191 STMMAC_MMC_STAT(mmc_tx_framecount_g), 192 STMMAC_MMC_STAT(mmc_tx_excessdef), 193 STMMAC_MMC_STAT(mmc_tx_pause_frame), 194 STMMAC_MMC_STAT(mmc_tx_vlan_frame_g), 195 STMMAC_MMC_STAT(mmc_rx_framecount_gb), 196 STMMAC_MMC_STAT(mmc_rx_octetcount_gb), 197 STMMAC_MMC_STAT(mmc_rx_octetcount_g), 198 STMMAC_MMC_STAT(mmc_rx_broadcastframe_g), 199 STMMAC_MMC_STAT(mmc_rx_multicastframe_g), 200 STMMAC_MMC_STAT(mmc_rx_crc_error), 201 STMMAC_MMC_STAT(mmc_rx_align_error), 202 STMMAC_MMC_STAT(mmc_rx_run_error), 203 STMMAC_MMC_STAT(mmc_rx_jabber_error), 204 STMMAC_MMC_STAT(mmc_rx_undersize_g), 205 STMMAC_MMC_STAT(mmc_rx_oversize_g), 206 STMMAC_MMC_STAT(mmc_rx_64_octets_gb), 207 STMMAC_MMC_STAT(mmc_rx_65_to_127_octets_gb), 208 STMMAC_MMC_STAT(mmc_rx_128_to_255_octets_gb), 209 STMMAC_MMC_STAT(mmc_rx_256_to_511_octets_gb), 210 STMMAC_MMC_STAT(mmc_rx_512_to_1023_octets_gb), 211 STMMAC_MMC_STAT(mmc_rx_1024_to_max_octets_gb), 212 STMMAC_MMC_STAT(mmc_rx_unicast_g), 213 STMMAC_MMC_STAT(mmc_rx_length_error), 214 STMMAC_MMC_STAT(mmc_rx_autofrangetype), 215 STMMAC_MMC_STAT(mmc_rx_pause_frames), 216 STMMAC_MMC_STAT(mmc_rx_fifo_overflow), 217 STMMAC_MMC_STAT(mmc_rx_vlan_frames_gb), 218 STMMAC_MMC_STAT(mmc_rx_watchdog_error), 219 STMMAC_MMC_STAT(mmc_rx_ipc_intr_mask), 220 STMMAC_MMC_STAT(mmc_rx_ipc_intr), 221 STMMAC_MMC_STAT(mmc_rx_ipv4_gd), 222 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr), 223 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay), 224 STMMAC_MMC_STAT(mmc_rx_ipv4_frag), 225 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl), 226 STMMAC_MMC_STAT(mmc_rx_ipv4_gd_octets), 227 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr_octets), 228 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay_octets), 229 STMMAC_MMC_STAT(mmc_rx_ipv4_frag_octets), 230 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl_octets), 231 STMMAC_MMC_STAT(mmc_rx_ipv6_gd_octets), 232 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr_octets), 233 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay_octets), 234 STMMAC_MMC_STAT(mmc_rx_ipv6_gd), 235 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr), 236 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay), 237 STMMAC_MMC_STAT(mmc_rx_udp_gd), 238 STMMAC_MMC_STAT(mmc_rx_udp_err), 239 STMMAC_MMC_STAT(mmc_rx_tcp_gd), 240 STMMAC_MMC_STAT(mmc_rx_tcp_err), 241 STMMAC_MMC_STAT(mmc_rx_icmp_gd), 242 STMMAC_MMC_STAT(mmc_rx_icmp_err), 243 STMMAC_MMC_STAT(mmc_rx_udp_gd_octets), 244 STMMAC_MMC_STAT(mmc_rx_udp_err_octets), 245 STMMAC_MMC_STAT(mmc_rx_tcp_gd_octets), 246 STMMAC_MMC_STAT(mmc_rx_tcp_err_octets), 247 STMMAC_MMC_STAT(mmc_rx_icmp_gd_octets), 248 STMMAC_MMC_STAT(mmc_rx_icmp_err_octets), 249 STMMAC_MMC_STAT(mmc_tx_fpe_fragment_cntr), 250 STMMAC_MMC_STAT(mmc_tx_hold_req_cntr), 251 STMMAC_MMC_STAT(mmc_rx_packet_assembly_err_cntr), 252 STMMAC_MMC_STAT(mmc_rx_packet_smd_err_cntr), 253 STMMAC_MMC_STAT(mmc_rx_packet_assembly_ok_cntr), 254 STMMAC_MMC_STAT(mmc_rx_fpe_fragment_cntr), 255 }; 256 #define STMMAC_MMC_STATS_LEN ARRAY_SIZE(stmmac_mmc) 257 258 static void stmmac_ethtool_getdrvinfo(struct net_device *dev, 259 struct ethtool_drvinfo *info) 260 { 261 struct stmmac_priv *priv = netdev_priv(dev); 262 263 if (priv->plat->has_gmac || priv->plat->has_gmac4) 264 strlcpy(info->driver, GMAC_ETHTOOL_NAME, sizeof(info->driver)); 265 else if (priv->plat->has_xgmac) 266 strlcpy(info->driver, XGMAC_ETHTOOL_NAME, sizeof(info->driver)); 267 else 268 strlcpy(info->driver, MAC100_ETHTOOL_NAME, 269 sizeof(info->driver)); 270 271 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 272 } 273 274 static int stmmac_ethtool_get_link_ksettings(struct net_device *dev, 275 struct ethtool_link_ksettings *cmd) 276 { 277 struct stmmac_priv *priv = netdev_priv(dev); 278 279 if (priv->hw->pcs & STMMAC_PCS_RGMII || 280 priv->hw->pcs & STMMAC_PCS_SGMII) { 281 struct rgmii_adv adv; 282 u32 supported, advertising, lp_advertising; 283 284 if (!priv->xstats.pcs_link) { 285 cmd->base.speed = SPEED_UNKNOWN; 286 cmd->base.duplex = DUPLEX_UNKNOWN; 287 return 0; 288 } 289 cmd->base.duplex = priv->xstats.pcs_duplex; 290 291 cmd->base.speed = priv->xstats.pcs_speed; 292 293 /* Get and convert ADV/LP_ADV from the HW AN registers */ 294 if (stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv)) 295 return -EOPNOTSUPP; /* should never happen indeed */ 296 297 /* Encoding of PSE bits is defined in 802.3z, 37.2.1.4 */ 298 299 ethtool_convert_link_mode_to_legacy_u32( 300 &supported, cmd->link_modes.supported); 301 ethtool_convert_link_mode_to_legacy_u32( 302 &advertising, cmd->link_modes.advertising); 303 ethtool_convert_link_mode_to_legacy_u32( 304 &lp_advertising, cmd->link_modes.lp_advertising); 305 306 if (adv.pause & STMMAC_PCS_PAUSE) 307 advertising |= ADVERTISED_Pause; 308 if (adv.pause & STMMAC_PCS_ASYM_PAUSE) 309 advertising |= ADVERTISED_Asym_Pause; 310 if (adv.lp_pause & STMMAC_PCS_PAUSE) 311 lp_advertising |= ADVERTISED_Pause; 312 if (adv.lp_pause & STMMAC_PCS_ASYM_PAUSE) 313 lp_advertising |= ADVERTISED_Asym_Pause; 314 315 /* Reg49[3] always set because ANE is always supported */ 316 cmd->base.autoneg = ADVERTISED_Autoneg; 317 supported |= SUPPORTED_Autoneg; 318 advertising |= ADVERTISED_Autoneg; 319 lp_advertising |= ADVERTISED_Autoneg; 320 321 if (adv.duplex) { 322 supported |= (SUPPORTED_1000baseT_Full | 323 SUPPORTED_100baseT_Full | 324 SUPPORTED_10baseT_Full); 325 advertising |= (ADVERTISED_1000baseT_Full | 326 ADVERTISED_100baseT_Full | 327 ADVERTISED_10baseT_Full); 328 } else { 329 supported |= (SUPPORTED_1000baseT_Half | 330 SUPPORTED_100baseT_Half | 331 SUPPORTED_10baseT_Half); 332 advertising |= (ADVERTISED_1000baseT_Half | 333 ADVERTISED_100baseT_Half | 334 ADVERTISED_10baseT_Half); 335 } 336 if (adv.lp_duplex) 337 lp_advertising |= (ADVERTISED_1000baseT_Full | 338 ADVERTISED_100baseT_Full | 339 ADVERTISED_10baseT_Full); 340 else 341 lp_advertising |= (ADVERTISED_1000baseT_Half | 342 ADVERTISED_100baseT_Half | 343 ADVERTISED_10baseT_Half); 344 cmd->base.port = PORT_OTHER; 345 346 ethtool_convert_legacy_u32_to_link_mode( 347 cmd->link_modes.supported, supported); 348 ethtool_convert_legacy_u32_to_link_mode( 349 cmd->link_modes.advertising, advertising); 350 ethtool_convert_legacy_u32_to_link_mode( 351 cmd->link_modes.lp_advertising, lp_advertising); 352 353 return 0; 354 } 355 356 return phylink_ethtool_ksettings_get(priv->phylink, cmd); 357 } 358 359 static int 360 stmmac_ethtool_set_link_ksettings(struct net_device *dev, 361 const struct ethtool_link_ksettings *cmd) 362 { 363 struct stmmac_priv *priv = netdev_priv(dev); 364 365 if (priv->hw->pcs & STMMAC_PCS_RGMII || 366 priv->hw->pcs & STMMAC_PCS_SGMII) { 367 u32 mask = ADVERTISED_Autoneg | ADVERTISED_Pause; 368 369 /* Only support ANE */ 370 if (cmd->base.autoneg != AUTONEG_ENABLE) 371 return -EINVAL; 372 373 mask &= (ADVERTISED_1000baseT_Half | 374 ADVERTISED_1000baseT_Full | 375 ADVERTISED_100baseT_Half | 376 ADVERTISED_100baseT_Full | 377 ADVERTISED_10baseT_Half | 378 ADVERTISED_10baseT_Full); 379 380 mutex_lock(&priv->lock); 381 stmmac_pcs_ctrl_ane(priv, priv->ioaddr, 1, priv->hw->ps, 0); 382 mutex_unlock(&priv->lock); 383 384 return 0; 385 } 386 387 return phylink_ethtool_ksettings_set(priv->phylink, cmd); 388 } 389 390 static u32 stmmac_ethtool_getmsglevel(struct net_device *dev) 391 { 392 struct stmmac_priv *priv = netdev_priv(dev); 393 return priv->msg_enable; 394 } 395 396 static void stmmac_ethtool_setmsglevel(struct net_device *dev, u32 level) 397 { 398 struct stmmac_priv *priv = netdev_priv(dev); 399 priv->msg_enable = level; 400 401 } 402 403 static int stmmac_check_if_running(struct net_device *dev) 404 { 405 if (!netif_running(dev)) 406 return -EBUSY; 407 return 0; 408 } 409 410 static int stmmac_ethtool_get_regs_len(struct net_device *dev) 411 { 412 struct stmmac_priv *priv = netdev_priv(dev); 413 414 if (priv->plat->has_xgmac) 415 return XGMAC_REGSIZE * 4; 416 return REG_SPACE_SIZE; 417 } 418 419 static void stmmac_ethtool_gregs(struct net_device *dev, 420 struct ethtool_regs *regs, void *space) 421 { 422 struct stmmac_priv *priv = netdev_priv(dev); 423 u32 *reg_space = (u32 *) space; 424 425 stmmac_dump_mac_regs(priv, priv->hw, reg_space); 426 stmmac_dump_dma_regs(priv, priv->ioaddr, reg_space); 427 428 if (!priv->plat->has_xgmac) { 429 /* Copy DMA registers to where ethtool expects them */ 430 memcpy(®_space[ETHTOOL_DMA_OFFSET], 431 ®_space[DMA_BUS_MODE / 4], 432 NUM_DWMAC1000_DMA_REGS * 4); 433 } 434 } 435 436 static int stmmac_nway_reset(struct net_device *dev) 437 { 438 struct stmmac_priv *priv = netdev_priv(dev); 439 440 return phylink_ethtool_nway_reset(priv->phylink); 441 } 442 443 static void 444 stmmac_get_pauseparam(struct net_device *netdev, 445 struct ethtool_pauseparam *pause) 446 { 447 struct stmmac_priv *priv = netdev_priv(netdev); 448 struct rgmii_adv adv_lp; 449 450 if (priv->hw->pcs && !stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv_lp)) { 451 pause->autoneg = 1; 452 if (!adv_lp.pause) 453 return; 454 } else { 455 phylink_ethtool_get_pauseparam(priv->phylink, pause); 456 } 457 } 458 459 static int 460 stmmac_set_pauseparam(struct net_device *netdev, 461 struct ethtool_pauseparam *pause) 462 { 463 struct stmmac_priv *priv = netdev_priv(netdev); 464 struct rgmii_adv adv_lp; 465 466 if (priv->hw->pcs && !stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv_lp)) { 467 pause->autoneg = 1; 468 if (!adv_lp.pause) 469 return -EOPNOTSUPP; 470 return 0; 471 } else { 472 return phylink_ethtool_set_pauseparam(priv->phylink, pause); 473 } 474 } 475 476 static void stmmac_get_ethtool_stats(struct net_device *dev, 477 struct ethtool_stats *dummy, u64 *data) 478 { 479 struct stmmac_priv *priv = netdev_priv(dev); 480 u32 rx_queues_count = priv->plat->rx_queues_to_use; 481 u32 tx_queues_count = priv->plat->tx_queues_to_use; 482 unsigned long count; 483 int i, j = 0, ret; 484 485 if (priv->dma_cap.asp) { 486 for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) { 487 if (!stmmac_safety_feat_dump(priv, &priv->sstats, i, 488 &count, NULL)) 489 data[j++] = count; 490 } 491 } 492 493 /* Update the DMA HW counters for dwmac10/100 */ 494 ret = stmmac_dma_diagnostic_fr(priv, &dev->stats, (void *) &priv->xstats, 495 priv->ioaddr); 496 if (ret) { 497 /* If supported, for new GMAC chips expose the MMC counters */ 498 if (priv->dma_cap.rmon) { 499 stmmac_mmc_read(priv, priv->mmcaddr, &priv->mmc); 500 501 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) { 502 char *p; 503 p = (char *)priv + stmmac_mmc[i].stat_offset; 504 505 data[j++] = (stmmac_mmc[i].sizeof_stat == 506 sizeof(u64)) ? (*(u64 *)p) : 507 (*(u32 *)p); 508 } 509 } 510 if (priv->eee_enabled) { 511 int val = phylink_get_eee_err(priv->phylink); 512 if (val) 513 priv->xstats.phy_eee_wakeup_error_n = val; 514 } 515 516 if (priv->synopsys_id >= DWMAC_CORE_3_50) 517 stmmac_mac_debug(priv, priv->ioaddr, 518 (void *)&priv->xstats, 519 rx_queues_count, tx_queues_count); 520 } 521 for (i = 0; i < STMMAC_STATS_LEN; i++) { 522 char *p = (char *)priv + stmmac_gstrings_stats[i].stat_offset; 523 data[j++] = (stmmac_gstrings_stats[i].sizeof_stat == 524 sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p); 525 } 526 } 527 528 static int stmmac_get_sset_count(struct net_device *netdev, int sset) 529 { 530 struct stmmac_priv *priv = netdev_priv(netdev); 531 int i, len, safety_len = 0; 532 533 switch (sset) { 534 case ETH_SS_STATS: 535 len = STMMAC_STATS_LEN; 536 537 if (priv->dma_cap.rmon) 538 len += STMMAC_MMC_STATS_LEN; 539 if (priv->dma_cap.asp) { 540 for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) { 541 if (!stmmac_safety_feat_dump(priv, 542 &priv->sstats, i, 543 NULL, NULL)) 544 safety_len++; 545 } 546 547 len += safety_len; 548 } 549 550 return len; 551 case ETH_SS_TEST: 552 return stmmac_selftest_get_count(priv); 553 default: 554 return -EOPNOTSUPP; 555 } 556 } 557 558 static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data) 559 { 560 int i; 561 u8 *p = data; 562 struct stmmac_priv *priv = netdev_priv(dev); 563 564 switch (stringset) { 565 case ETH_SS_STATS: 566 if (priv->dma_cap.asp) { 567 for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) { 568 const char *desc; 569 if (!stmmac_safety_feat_dump(priv, 570 &priv->sstats, i, 571 NULL, &desc)) { 572 memcpy(p, desc, ETH_GSTRING_LEN); 573 p += ETH_GSTRING_LEN; 574 } 575 } 576 } 577 if (priv->dma_cap.rmon) 578 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) { 579 memcpy(p, stmmac_mmc[i].stat_string, 580 ETH_GSTRING_LEN); 581 p += ETH_GSTRING_LEN; 582 } 583 for (i = 0; i < STMMAC_STATS_LEN; i++) { 584 memcpy(p, stmmac_gstrings_stats[i].stat_string, 585 ETH_GSTRING_LEN); 586 p += ETH_GSTRING_LEN; 587 } 588 break; 589 case ETH_SS_TEST: 590 stmmac_selftest_get_strings(priv, p); 591 break; 592 default: 593 WARN_ON(1); 594 break; 595 } 596 } 597 598 /* Currently only support WOL through Magic packet. */ 599 static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 600 { 601 struct stmmac_priv *priv = netdev_priv(dev); 602 603 mutex_lock(&priv->lock); 604 if (device_can_wakeup(priv->device)) { 605 wol->supported = WAKE_MAGIC | WAKE_UCAST; 606 wol->wolopts = priv->wolopts; 607 } 608 mutex_unlock(&priv->lock); 609 } 610 611 static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 612 { 613 struct stmmac_priv *priv = netdev_priv(dev); 614 u32 support = WAKE_MAGIC | WAKE_UCAST; 615 616 /* By default almost all GMAC devices support the WoL via 617 * magic frame but we can disable it if the HW capability 618 * register shows no support for pmt_magic_frame. */ 619 if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame)) 620 wol->wolopts &= ~WAKE_MAGIC; 621 622 if (!device_can_wakeup(priv->device)) 623 return -EINVAL; 624 625 if (wol->wolopts & ~support) 626 return -EINVAL; 627 628 if (wol->wolopts) { 629 pr_info("stmmac: wakeup enable\n"); 630 device_set_wakeup_enable(priv->device, 1); 631 enable_irq_wake(priv->wol_irq); 632 } else { 633 device_set_wakeup_enable(priv->device, 0); 634 disable_irq_wake(priv->wol_irq); 635 } 636 637 mutex_lock(&priv->lock); 638 priv->wolopts = wol->wolopts; 639 mutex_unlock(&priv->lock); 640 641 return 0; 642 } 643 644 static int stmmac_ethtool_op_get_eee(struct net_device *dev, 645 struct ethtool_eee *edata) 646 { 647 struct stmmac_priv *priv = netdev_priv(dev); 648 649 if (!priv->dma_cap.eee) 650 return -EOPNOTSUPP; 651 652 edata->eee_enabled = priv->eee_enabled; 653 edata->eee_active = priv->eee_active; 654 edata->tx_lpi_timer = priv->tx_lpi_timer; 655 656 return phylink_ethtool_get_eee(priv->phylink, edata); 657 } 658 659 static int stmmac_ethtool_op_set_eee(struct net_device *dev, 660 struct ethtool_eee *edata) 661 { 662 struct stmmac_priv *priv = netdev_priv(dev); 663 int ret; 664 665 if (!edata->eee_enabled) { 666 stmmac_disable_eee_mode(priv); 667 } else { 668 /* We are asking for enabling the EEE but it is safe 669 * to verify all by invoking the eee_init function. 670 * In case of failure it will return an error. 671 */ 672 edata->eee_enabled = stmmac_eee_init(priv); 673 if (!edata->eee_enabled) 674 return -EOPNOTSUPP; 675 } 676 677 ret = phylink_ethtool_set_eee(priv->phylink, edata); 678 if (ret) 679 return ret; 680 681 priv->eee_enabled = edata->eee_enabled; 682 priv->tx_lpi_timer = edata->tx_lpi_timer; 683 return 0; 684 } 685 686 static u32 stmmac_usec2riwt(u32 usec, struct stmmac_priv *priv) 687 { 688 unsigned long clk = clk_get_rate(priv->plat->stmmac_clk); 689 690 if (!clk) { 691 clk = priv->plat->clk_ref_rate; 692 if (!clk) 693 return 0; 694 } 695 696 return (usec * (clk / 1000000)) / 256; 697 } 698 699 static u32 stmmac_riwt2usec(u32 riwt, struct stmmac_priv *priv) 700 { 701 unsigned long clk = clk_get_rate(priv->plat->stmmac_clk); 702 703 if (!clk) { 704 clk = priv->plat->clk_ref_rate; 705 if (!clk) 706 return 0; 707 } 708 709 return (riwt * 256) / (clk / 1000000); 710 } 711 712 static int stmmac_get_coalesce(struct net_device *dev, 713 struct ethtool_coalesce *ec) 714 { 715 struct stmmac_priv *priv = netdev_priv(dev); 716 717 ec->tx_coalesce_usecs = priv->tx_coal_timer; 718 ec->tx_max_coalesced_frames = priv->tx_coal_frames; 719 720 if (priv->use_riwt) { 721 ec->rx_max_coalesced_frames = priv->rx_coal_frames; 722 ec->rx_coalesce_usecs = stmmac_riwt2usec(priv->rx_riwt, priv); 723 } 724 725 return 0; 726 } 727 728 static int stmmac_set_coalesce(struct net_device *dev, 729 struct ethtool_coalesce *ec) 730 { 731 struct stmmac_priv *priv = netdev_priv(dev); 732 u32 rx_cnt = priv->plat->rx_queues_to_use; 733 unsigned int rx_riwt; 734 735 if (priv->use_riwt && (ec->rx_coalesce_usecs > 0)) { 736 rx_riwt = stmmac_usec2riwt(ec->rx_coalesce_usecs, priv); 737 738 if ((rx_riwt > MAX_DMA_RIWT) || (rx_riwt < MIN_DMA_RIWT)) 739 return -EINVAL; 740 741 priv->rx_riwt = rx_riwt; 742 stmmac_rx_watchdog(priv, priv->ioaddr, priv->rx_riwt, rx_cnt); 743 } 744 745 if ((ec->tx_coalesce_usecs == 0) && 746 (ec->tx_max_coalesced_frames == 0)) 747 return -EINVAL; 748 749 if ((ec->tx_coalesce_usecs > STMMAC_MAX_COAL_TX_TICK) || 750 (ec->tx_max_coalesced_frames > STMMAC_TX_MAX_FRAMES)) 751 return -EINVAL; 752 753 /* Only copy relevant parameters, ignore all others. */ 754 priv->tx_coal_frames = ec->tx_max_coalesced_frames; 755 priv->tx_coal_timer = ec->tx_coalesce_usecs; 756 priv->rx_coal_frames = ec->rx_max_coalesced_frames; 757 return 0; 758 } 759 760 static int stmmac_get_rxnfc(struct net_device *dev, 761 struct ethtool_rxnfc *rxnfc, u32 *rule_locs) 762 { 763 struct stmmac_priv *priv = netdev_priv(dev); 764 765 switch (rxnfc->cmd) { 766 case ETHTOOL_GRXRINGS: 767 rxnfc->data = priv->plat->rx_queues_to_use; 768 break; 769 default: 770 return -EOPNOTSUPP; 771 } 772 773 return 0; 774 } 775 776 static u32 stmmac_get_rxfh_key_size(struct net_device *dev) 777 { 778 struct stmmac_priv *priv = netdev_priv(dev); 779 780 return sizeof(priv->rss.key); 781 } 782 783 static u32 stmmac_get_rxfh_indir_size(struct net_device *dev) 784 { 785 struct stmmac_priv *priv = netdev_priv(dev); 786 787 return ARRAY_SIZE(priv->rss.table); 788 } 789 790 static int stmmac_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, 791 u8 *hfunc) 792 { 793 struct stmmac_priv *priv = netdev_priv(dev); 794 int i; 795 796 if (indir) { 797 for (i = 0; i < ARRAY_SIZE(priv->rss.table); i++) 798 indir[i] = priv->rss.table[i]; 799 } 800 801 if (key) 802 memcpy(key, priv->rss.key, sizeof(priv->rss.key)); 803 if (hfunc) 804 *hfunc = ETH_RSS_HASH_TOP; 805 806 return 0; 807 } 808 809 static int stmmac_set_rxfh(struct net_device *dev, const u32 *indir, 810 const u8 *key, const u8 hfunc) 811 { 812 struct stmmac_priv *priv = netdev_priv(dev); 813 int i; 814 815 if ((hfunc != ETH_RSS_HASH_NO_CHANGE) && (hfunc != ETH_RSS_HASH_TOP)) 816 return -EOPNOTSUPP; 817 818 if (indir) { 819 for (i = 0; i < ARRAY_SIZE(priv->rss.table); i++) 820 priv->rss.table[i] = indir[i]; 821 } 822 823 if (key) 824 memcpy(priv->rss.key, key, sizeof(priv->rss.key)); 825 826 return stmmac_rss_configure(priv, priv->hw, &priv->rss, 827 priv->plat->rx_queues_to_use); 828 } 829 830 static int stmmac_get_ts_info(struct net_device *dev, 831 struct ethtool_ts_info *info) 832 { 833 struct stmmac_priv *priv = netdev_priv(dev); 834 835 if ((priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) { 836 837 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 838 SOF_TIMESTAMPING_TX_HARDWARE | 839 SOF_TIMESTAMPING_RX_SOFTWARE | 840 SOF_TIMESTAMPING_RX_HARDWARE | 841 SOF_TIMESTAMPING_SOFTWARE | 842 SOF_TIMESTAMPING_RAW_HARDWARE; 843 844 if (priv->ptp_clock) 845 info->phc_index = ptp_clock_index(priv->ptp_clock); 846 847 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON); 848 849 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) | 850 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | 851 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) | 852 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) | 853 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | 854 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | 855 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) | 856 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) | 857 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) | 858 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) | 859 (1 << HWTSTAMP_FILTER_ALL)); 860 return 0; 861 } else 862 return ethtool_op_get_ts_info(dev, info); 863 } 864 865 static int stmmac_get_tunable(struct net_device *dev, 866 const struct ethtool_tunable *tuna, void *data) 867 { 868 struct stmmac_priv *priv = netdev_priv(dev); 869 int ret = 0; 870 871 switch (tuna->id) { 872 case ETHTOOL_RX_COPYBREAK: 873 *(u32 *)data = priv->rx_copybreak; 874 break; 875 default: 876 ret = -EINVAL; 877 break; 878 } 879 880 return ret; 881 } 882 883 static int stmmac_set_tunable(struct net_device *dev, 884 const struct ethtool_tunable *tuna, 885 const void *data) 886 { 887 struct stmmac_priv *priv = netdev_priv(dev); 888 int ret = 0; 889 890 switch (tuna->id) { 891 case ETHTOOL_RX_COPYBREAK: 892 priv->rx_copybreak = *(u32 *)data; 893 break; 894 default: 895 ret = -EINVAL; 896 break; 897 } 898 899 return ret; 900 } 901 902 static const struct ethtool_ops stmmac_ethtool_ops = { 903 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 904 ETHTOOL_COALESCE_MAX_FRAMES, 905 .begin = stmmac_check_if_running, 906 .get_drvinfo = stmmac_ethtool_getdrvinfo, 907 .get_msglevel = stmmac_ethtool_getmsglevel, 908 .set_msglevel = stmmac_ethtool_setmsglevel, 909 .get_regs = stmmac_ethtool_gregs, 910 .get_regs_len = stmmac_ethtool_get_regs_len, 911 .get_link = ethtool_op_get_link, 912 .nway_reset = stmmac_nway_reset, 913 .get_pauseparam = stmmac_get_pauseparam, 914 .set_pauseparam = stmmac_set_pauseparam, 915 .self_test = stmmac_selftest_run, 916 .get_ethtool_stats = stmmac_get_ethtool_stats, 917 .get_strings = stmmac_get_strings, 918 .get_wol = stmmac_get_wol, 919 .set_wol = stmmac_set_wol, 920 .get_eee = stmmac_ethtool_op_get_eee, 921 .set_eee = stmmac_ethtool_op_set_eee, 922 .get_sset_count = stmmac_get_sset_count, 923 .get_rxnfc = stmmac_get_rxnfc, 924 .get_rxfh_key_size = stmmac_get_rxfh_key_size, 925 .get_rxfh_indir_size = stmmac_get_rxfh_indir_size, 926 .get_rxfh = stmmac_get_rxfh, 927 .set_rxfh = stmmac_set_rxfh, 928 .get_ts_info = stmmac_get_ts_info, 929 .get_coalesce = stmmac_get_coalesce, 930 .set_coalesce = stmmac_set_coalesce, 931 .get_tunable = stmmac_get_tunable, 932 .set_tunable = stmmac_set_tunable, 933 .get_link_ksettings = stmmac_ethtool_get_link_ksettings, 934 .set_link_ksettings = stmmac_ethtool_set_link_ksettings, 935 }; 936 937 void stmmac_set_ethtool_ops(struct net_device *netdev) 938 { 939 netdev->ethtool_ops = &stmmac_ethtool_ops; 940 } 941