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 GMAC4_REG_SPACE_SIZE 0x116C 25 #define MAC100_ETHTOOL_NAME "st_mac100" 26 #define GMAC_ETHTOOL_NAME "st_gmac" 27 #define XGMAC_ETHTOOL_NAME "st_xgmac" 28 29 /* Same as DMA_CHAN_BASE_ADDR defined in dwmac4_dma.h 30 * 31 * It is here because dwmac_dma.h and dwmac4_dam.h can not be included at the 32 * same time due to the conflicting macro names. 33 */ 34 #define GMAC4_DMA_CHAN_BASE_ADDR 0x00001100 35 36 #define ETHTOOL_DMA_OFFSET 55 37 38 struct stmmac_stats { 39 char stat_string[ETH_GSTRING_LEN]; 40 int sizeof_stat; 41 int stat_offset; 42 }; 43 44 #define STMMAC_STAT(m) \ 45 { #m, sizeof_field(struct stmmac_extra_stats, m), \ 46 offsetof(struct stmmac_priv, xstats.m)} 47 48 static const struct stmmac_stats stmmac_gstrings_stats[] = { 49 /* Transmit errors */ 50 STMMAC_STAT(tx_underflow), 51 STMMAC_STAT(tx_carrier), 52 STMMAC_STAT(tx_losscarrier), 53 STMMAC_STAT(vlan_tag), 54 STMMAC_STAT(tx_deferred), 55 STMMAC_STAT(tx_vlan), 56 STMMAC_STAT(tx_jabber), 57 STMMAC_STAT(tx_frame_flushed), 58 STMMAC_STAT(tx_payload_error), 59 STMMAC_STAT(tx_ip_header_error), 60 /* Receive errors */ 61 STMMAC_STAT(rx_desc), 62 STMMAC_STAT(sa_filter_fail), 63 STMMAC_STAT(overflow_error), 64 STMMAC_STAT(ipc_csum_error), 65 STMMAC_STAT(rx_collision), 66 STMMAC_STAT(rx_crc_errors), 67 STMMAC_STAT(dribbling_bit), 68 STMMAC_STAT(rx_length), 69 STMMAC_STAT(rx_mii), 70 STMMAC_STAT(rx_multicast), 71 STMMAC_STAT(rx_gmac_overflow), 72 STMMAC_STAT(rx_watchdog), 73 STMMAC_STAT(da_rx_filter_fail), 74 STMMAC_STAT(sa_rx_filter_fail), 75 STMMAC_STAT(rx_missed_cntr), 76 STMMAC_STAT(rx_overflow_cntr), 77 STMMAC_STAT(rx_vlan), 78 STMMAC_STAT(rx_split_hdr_pkt_n), 79 /* Tx/Rx IRQ error info */ 80 STMMAC_STAT(tx_undeflow_irq), 81 STMMAC_STAT(tx_process_stopped_irq), 82 STMMAC_STAT(tx_jabber_irq), 83 STMMAC_STAT(rx_overflow_irq), 84 STMMAC_STAT(rx_buf_unav_irq), 85 STMMAC_STAT(rx_process_stopped_irq), 86 STMMAC_STAT(rx_watchdog_irq), 87 STMMAC_STAT(tx_early_irq), 88 STMMAC_STAT(fatal_bus_error_irq), 89 /* Tx/Rx IRQ Events */ 90 STMMAC_STAT(rx_early_irq), 91 STMMAC_STAT(threshold), 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 /* EST */ 159 STMMAC_STAT(mtl_est_cgce), 160 STMMAC_STAT(mtl_est_hlbs), 161 STMMAC_STAT(mtl_est_hlbf), 162 STMMAC_STAT(mtl_est_btre), 163 STMMAC_STAT(mtl_est_btrlm), 164 }; 165 #define STMMAC_STATS_LEN ARRAY_SIZE(stmmac_gstrings_stats) 166 167 /* statistics collected in queue which will be summed up for all TX or RX 168 * queues, or summed up for both TX and RX queues(napi_poll, normal_irq_n). 169 */ 170 static const char stmmac_qstats_string[][ETH_GSTRING_LEN] = { 171 "rx_pkt_n", 172 "rx_normal_irq_n", 173 "tx_pkt_n", 174 "tx_normal_irq_n", 175 "tx_clean", 176 "tx_set_ic_bit", 177 "tx_tso_frames", 178 "tx_tso_nfrags", 179 "normal_irq_n", 180 "napi_poll", 181 }; 182 #define STMMAC_QSTATS ARRAY_SIZE(stmmac_qstats_string) 183 184 /* HW MAC Management counters (if supported) */ 185 #define STMMAC_MMC_STAT(m) \ 186 { #m, sizeof_field(struct stmmac_counters, m), \ 187 offsetof(struct stmmac_priv, mmc.m)} 188 189 static const struct stmmac_stats stmmac_mmc[] = { 190 STMMAC_MMC_STAT(mmc_tx_octetcount_gb), 191 STMMAC_MMC_STAT(mmc_tx_framecount_gb), 192 STMMAC_MMC_STAT(mmc_tx_broadcastframe_g), 193 STMMAC_MMC_STAT(mmc_tx_multicastframe_g), 194 STMMAC_MMC_STAT(mmc_tx_64_octets_gb), 195 STMMAC_MMC_STAT(mmc_tx_65_to_127_octets_gb), 196 STMMAC_MMC_STAT(mmc_tx_128_to_255_octets_gb), 197 STMMAC_MMC_STAT(mmc_tx_256_to_511_octets_gb), 198 STMMAC_MMC_STAT(mmc_tx_512_to_1023_octets_gb), 199 STMMAC_MMC_STAT(mmc_tx_1024_to_max_octets_gb), 200 STMMAC_MMC_STAT(mmc_tx_unicast_gb), 201 STMMAC_MMC_STAT(mmc_tx_multicast_gb), 202 STMMAC_MMC_STAT(mmc_tx_broadcast_gb), 203 STMMAC_MMC_STAT(mmc_tx_underflow_error), 204 STMMAC_MMC_STAT(mmc_tx_singlecol_g), 205 STMMAC_MMC_STAT(mmc_tx_multicol_g), 206 STMMAC_MMC_STAT(mmc_tx_deferred), 207 STMMAC_MMC_STAT(mmc_tx_latecol), 208 STMMAC_MMC_STAT(mmc_tx_exesscol), 209 STMMAC_MMC_STAT(mmc_tx_carrier_error), 210 STMMAC_MMC_STAT(mmc_tx_octetcount_g), 211 STMMAC_MMC_STAT(mmc_tx_framecount_g), 212 STMMAC_MMC_STAT(mmc_tx_excessdef), 213 STMMAC_MMC_STAT(mmc_tx_pause_frame), 214 STMMAC_MMC_STAT(mmc_tx_vlan_frame_g), 215 STMMAC_MMC_STAT(mmc_tx_oversize_g), 216 STMMAC_MMC_STAT(mmc_tx_lpi_usec), 217 STMMAC_MMC_STAT(mmc_tx_lpi_tran), 218 STMMAC_MMC_STAT(mmc_rx_framecount_gb), 219 STMMAC_MMC_STAT(mmc_rx_octetcount_gb), 220 STMMAC_MMC_STAT(mmc_rx_octetcount_g), 221 STMMAC_MMC_STAT(mmc_rx_broadcastframe_g), 222 STMMAC_MMC_STAT(mmc_rx_multicastframe_g), 223 STMMAC_MMC_STAT(mmc_rx_crc_error), 224 STMMAC_MMC_STAT(mmc_rx_align_error), 225 STMMAC_MMC_STAT(mmc_rx_run_error), 226 STMMAC_MMC_STAT(mmc_rx_jabber_error), 227 STMMAC_MMC_STAT(mmc_rx_undersize_g), 228 STMMAC_MMC_STAT(mmc_rx_oversize_g), 229 STMMAC_MMC_STAT(mmc_rx_64_octets_gb), 230 STMMAC_MMC_STAT(mmc_rx_65_to_127_octets_gb), 231 STMMAC_MMC_STAT(mmc_rx_128_to_255_octets_gb), 232 STMMAC_MMC_STAT(mmc_rx_256_to_511_octets_gb), 233 STMMAC_MMC_STAT(mmc_rx_512_to_1023_octets_gb), 234 STMMAC_MMC_STAT(mmc_rx_1024_to_max_octets_gb), 235 STMMAC_MMC_STAT(mmc_rx_unicast_g), 236 STMMAC_MMC_STAT(mmc_rx_length_error), 237 STMMAC_MMC_STAT(mmc_rx_autofrangetype), 238 STMMAC_MMC_STAT(mmc_rx_pause_frames), 239 STMMAC_MMC_STAT(mmc_rx_fifo_overflow), 240 STMMAC_MMC_STAT(mmc_rx_vlan_frames_gb), 241 STMMAC_MMC_STAT(mmc_rx_watchdog_error), 242 STMMAC_MMC_STAT(mmc_rx_error), 243 STMMAC_MMC_STAT(mmc_rx_lpi_usec), 244 STMMAC_MMC_STAT(mmc_rx_lpi_tran), 245 STMMAC_MMC_STAT(mmc_rx_discard_frames_gb), 246 STMMAC_MMC_STAT(mmc_rx_discard_octets_gb), 247 STMMAC_MMC_STAT(mmc_rx_align_err_frames), 248 STMMAC_MMC_STAT(mmc_rx_ipv4_gd), 249 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr), 250 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay), 251 STMMAC_MMC_STAT(mmc_rx_ipv4_frag), 252 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl), 253 STMMAC_MMC_STAT(mmc_rx_ipv4_gd_octets), 254 STMMAC_MMC_STAT(mmc_rx_ipv4_hderr_octets), 255 STMMAC_MMC_STAT(mmc_rx_ipv4_nopay_octets), 256 STMMAC_MMC_STAT(mmc_rx_ipv4_frag_octets), 257 STMMAC_MMC_STAT(mmc_rx_ipv4_udsbl_octets), 258 STMMAC_MMC_STAT(mmc_rx_ipv6_gd_octets), 259 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr_octets), 260 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay_octets), 261 STMMAC_MMC_STAT(mmc_rx_ipv6_gd), 262 STMMAC_MMC_STAT(mmc_rx_ipv6_hderr), 263 STMMAC_MMC_STAT(mmc_rx_ipv6_nopay), 264 STMMAC_MMC_STAT(mmc_rx_udp_gd), 265 STMMAC_MMC_STAT(mmc_rx_udp_err), 266 STMMAC_MMC_STAT(mmc_rx_tcp_gd), 267 STMMAC_MMC_STAT(mmc_rx_tcp_err), 268 STMMAC_MMC_STAT(mmc_rx_icmp_gd), 269 STMMAC_MMC_STAT(mmc_rx_icmp_err), 270 STMMAC_MMC_STAT(mmc_rx_udp_gd_octets), 271 STMMAC_MMC_STAT(mmc_rx_udp_err_octets), 272 STMMAC_MMC_STAT(mmc_rx_tcp_gd_octets), 273 STMMAC_MMC_STAT(mmc_rx_tcp_err_octets), 274 STMMAC_MMC_STAT(mmc_rx_icmp_gd_octets), 275 STMMAC_MMC_STAT(mmc_rx_icmp_err_octets), 276 STMMAC_MMC_STAT(mmc_sgf_pass_fragment_cntr), 277 STMMAC_MMC_STAT(mmc_sgf_fail_fragment_cntr), 278 STMMAC_MMC_STAT(mmc_tx_fpe_fragment_cntr), 279 STMMAC_MMC_STAT(mmc_tx_hold_req_cntr), 280 STMMAC_MMC_STAT(mmc_tx_gate_overrun_cntr), 281 STMMAC_MMC_STAT(mmc_rx_packet_assembly_err_cntr), 282 STMMAC_MMC_STAT(mmc_rx_packet_smd_err_cntr), 283 STMMAC_MMC_STAT(mmc_rx_packet_assembly_ok_cntr), 284 STMMAC_MMC_STAT(mmc_rx_fpe_fragment_cntr), 285 }; 286 #define STMMAC_MMC_STATS_LEN ARRAY_SIZE(stmmac_mmc) 287 288 static const char stmmac_qstats_tx_string[][ETH_GSTRING_LEN] = { 289 "tx_pkt_n", 290 "tx_irq_n", 291 #define STMMAC_TXQ_STATS ARRAY_SIZE(stmmac_qstats_tx_string) 292 }; 293 294 static const char stmmac_qstats_rx_string[][ETH_GSTRING_LEN] = { 295 "rx_pkt_n", 296 "rx_irq_n", 297 #define STMMAC_RXQ_STATS ARRAY_SIZE(stmmac_qstats_rx_string) 298 }; 299 300 static void stmmac_ethtool_getdrvinfo(struct net_device *dev, 301 struct ethtool_drvinfo *info) 302 { 303 struct stmmac_priv *priv = netdev_priv(dev); 304 305 if (priv->plat->has_gmac || priv->plat->has_gmac4) 306 strscpy(info->driver, GMAC_ETHTOOL_NAME, sizeof(info->driver)); 307 else if (priv->plat->has_xgmac) 308 strscpy(info->driver, XGMAC_ETHTOOL_NAME, sizeof(info->driver)); 309 else 310 strscpy(info->driver, MAC100_ETHTOOL_NAME, 311 sizeof(info->driver)); 312 313 if (priv->plat->pdev) { 314 strscpy(info->bus_info, pci_name(priv->plat->pdev), 315 sizeof(info->bus_info)); 316 } 317 } 318 319 static int stmmac_ethtool_get_link_ksettings(struct net_device *dev, 320 struct ethtool_link_ksettings *cmd) 321 { 322 struct stmmac_priv *priv = netdev_priv(dev); 323 324 if (!(priv->plat->flags & STMMAC_FLAG_HAS_INTEGRATED_PCS) && 325 (priv->hw->pcs & STMMAC_PCS_RGMII || 326 priv->hw->pcs & STMMAC_PCS_SGMII)) { 327 struct rgmii_adv adv; 328 u32 supported, advertising, lp_advertising; 329 330 if (!priv->xstats.pcs_link) { 331 cmd->base.speed = SPEED_UNKNOWN; 332 cmd->base.duplex = DUPLEX_UNKNOWN; 333 return 0; 334 } 335 cmd->base.duplex = priv->xstats.pcs_duplex; 336 337 cmd->base.speed = priv->xstats.pcs_speed; 338 339 /* Get and convert ADV/LP_ADV from the HW AN registers */ 340 if (stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv)) 341 return -EOPNOTSUPP; /* should never happen indeed */ 342 343 /* Encoding of PSE bits is defined in 802.3z, 37.2.1.4 */ 344 345 ethtool_convert_link_mode_to_legacy_u32( 346 &supported, cmd->link_modes.supported); 347 ethtool_convert_link_mode_to_legacy_u32( 348 &advertising, cmd->link_modes.advertising); 349 ethtool_convert_link_mode_to_legacy_u32( 350 &lp_advertising, cmd->link_modes.lp_advertising); 351 352 if (adv.pause & STMMAC_PCS_PAUSE) 353 advertising |= ADVERTISED_Pause; 354 if (adv.pause & STMMAC_PCS_ASYM_PAUSE) 355 advertising |= ADVERTISED_Asym_Pause; 356 if (adv.lp_pause & STMMAC_PCS_PAUSE) 357 lp_advertising |= ADVERTISED_Pause; 358 if (adv.lp_pause & STMMAC_PCS_ASYM_PAUSE) 359 lp_advertising |= ADVERTISED_Asym_Pause; 360 361 /* Reg49[3] always set because ANE is always supported */ 362 cmd->base.autoneg = ADVERTISED_Autoneg; 363 supported |= SUPPORTED_Autoneg; 364 advertising |= ADVERTISED_Autoneg; 365 lp_advertising |= ADVERTISED_Autoneg; 366 367 if (adv.duplex) { 368 supported |= (SUPPORTED_1000baseT_Full | 369 SUPPORTED_100baseT_Full | 370 SUPPORTED_10baseT_Full); 371 advertising |= (ADVERTISED_1000baseT_Full | 372 ADVERTISED_100baseT_Full | 373 ADVERTISED_10baseT_Full); 374 } else { 375 supported |= (SUPPORTED_1000baseT_Half | 376 SUPPORTED_100baseT_Half | 377 SUPPORTED_10baseT_Half); 378 advertising |= (ADVERTISED_1000baseT_Half | 379 ADVERTISED_100baseT_Half | 380 ADVERTISED_10baseT_Half); 381 } 382 if (adv.lp_duplex) 383 lp_advertising |= (ADVERTISED_1000baseT_Full | 384 ADVERTISED_100baseT_Full | 385 ADVERTISED_10baseT_Full); 386 else 387 lp_advertising |= (ADVERTISED_1000baseT_Half | 388 ADVERTISED_100baseT_Half | 389 ADVERTISED_10baseT_Half); 390 cmd->base.port = PORT_OTHER; 391 392 ethtool_convert_legacy_u32_to_link_mode( 393 cmd->link_modes.supported, supported); 394 ethtool_convert_legacy_u32_to_link_mode( 395 cmd->link_modes.advertising, advertising); 396 ethtool_convert_legacy_u32_to_link_mode( 397 cmd->link_modes.lp_advertising, lp_advertising); 398 399 return 0; 400 } 401 402 return phylink_ethtool_ksettings_get(priv->phylink, cmd); 403 } 404 405 static int 406 stmmac_ethtool_set_link_ksettings(struct net_device *dev, 407 const struct ethtool_link_ksettings *cmd) 408 { 409 struct stmmac_priv *priv = netdev_priv(dev); 410 411 if (!(priv->plat->flags & STMMAC_FLAG_HAS_INTEGRATED_PCS) && 412 (priv->hw->pcs & STMMAC_PCS_RGMII || 413 priv->hw->pcs & STMMAC_PCS_SGMII)) { 414 /* Only support ANE */ 415 if (cmd->base.autoneg != AUTONEG_ENABLE) 416 return -EINVAL; 417 418 mutex_lock(&priv->lock); 419 stmmac_pcs_ctrl_ane(priv, priv->ioaddr, 1, priv->hw->ps, 0); 420 mutex_unlock(&priv->lock); 421 422 return 0; 423 } 424 425 return phylink_ethtool_ksettings_set(priv->phylink, cmd); 426 } 427 428 static u32 stmmac_ethtool_getmsglevel(struct net_device *dev) 429 { 430 struct stmmac_priv *priv = netdev_priv(dev); 431 return priv->msg_enable; 432 } 433 434 static void stmmac_ethtool_setmsglevel(struct net_device *dev, u32 level) 435 { 436 struct stmmac_priv *priv = netdev_priv(dev); 437 priv->msg_enable = level; 438 439 } 440 441 static int stmmac_check_if_running(struct net_device *dev) 442 { 443 if (!netif_running(dev)) 444 return -EBUSY; 445 return 0; 446 } 447 448 static int stmmac_ethtool_get_regs_len(struct net_device *dev) 449 { 450 struct stmmac_priv *priv = netdev_priv(dev); 451 452 if (priv->plat->has_xgmac) 453 return XGMAC_REGSIZE * 4; 454 else if (priv->plat->has_gmac4) 455 return GMAC4_REG_SPACE_SIZE; 456 return REG_SPACE_SIZE; 457 } 458 459 static void stmmac_ethtool_gregs(struct net_device *dev, 460 struct ethtool_regs *regs, void *space) 461 { 462 struct stmmac_priv *priv = netdev_priv(dev); 463 u32 *reg_space = (u32 *) space; 464 465 stmmac_dump_mac_regs(priv, priv->hw, reg_space); 466 stmmac_dump_dma_regs(priv, priv->ioaddr, reg_space); 467 468 /* Copy DMA registers to where ethtool expects them */ 469 if (priv->plat->has_gmac4) { 470 /* GMAC4 dumps its DMA registers at its DMA_CHAN_BASE_ADDR */ 471 memcpy(®_space[ETHTOOL_DMA_OFFSET], 472 ®_space[GMAC4_DMA_CHAN_BASE_ADDR / 4], 473 NUM_DWMAC4_DMA_REGS * 4); 474 } else if (!priv->plat->has_xgmac) { 475 memcpy(®_space[ETHTOOL_DMA_OFFSET], 476 ®_space[DMA_BUS_MODE / 4], 477 NUM_DWMAC1000_DMA_REGS * 4); 478 } 479 } 480 481 static int stmmac_nway_reset(struct net_device *dev) 482 { 483 struct stmmac_priv *priv = netdev_priv(dev); 484 485 return phylink_ethtool_nway_reset(priv->phylink); 486 } 487 488 static void stmmac_get_ringparam(struct net_device *netdev, 489 struct ethtool_ringparam *ring, 490 struct kernel_ethtool_ringparam *kernel_ring, 491 struct netlink_ext_ack *extack) 492 { 493 struct stmmac_priv *priv = netdev_priv(netdev); 494 495 ring->rx_max_pending = DMA_MAX_RX_SIZE; 496 ring->tx_max_pending = DMA_MAX_TX_SIZE; 497 ring->rx_pending = priv->dma_conf.dma_rx_size; 498 ring->tx_pending = priv->dma_conf.dma_tx_size; 499 } 500 501 static int stmmac_set_ringparam(struct net_device *netdev, 502 struct ethtool_ringparam *ring, 503 struct kernel_ethtool_ringparam *kernel_ring, 504 struct netlink_ext_ack *extack) 505 { 506 if (ring->rx_mini_pending || ring->rx_jumbo_pending || 507 ring->rx_pending < DMA_MIN_RX_SIZE || 508 ring->rx_pending > DMA_MAX_RX_SIZE || 509 !is_power_of_2(ring->rx_pending) || 510 ring->tx_pending < DMA_MIN_TX_SIZE || 511 ring->tx_pending > DMA_MAX_TX_SIZE || 512 !is_power_of_2(ring->tx_pending)) 513 return -EINVAL; 514 515 return stmmac_reinit_ringparam(netdev, ring->rx_pending, 516 ring->tx_pending); 517 } 518 519 static void 520 stmmac_get_pauseparam(struct net_device *netdev, 521 struct ethtool_pauseparam *pause) 522 { 523 struct stmmac_priv *priv = netdev_priv(netdev); 524 struct rgmii_adv adv_lp; 525 526 if (priv->hw->pcs && !stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv_lp)) { 527 pause->autoneg = 1; 528 if (!adv_lp.pause) 529 return; 530 } else { 531 phylink_ethtool_get_pauseparam(priv->phylink, pause); 532 } 533 } 534 535 static int 536 stmmac_set_pauseparam(struct net_device *netdev, 537 struct ethtool_pauseparam *pause) 538 { 539 struct stmmac_priv *priv = netdev_priv(netdev); 540 struct rgmii_adv adv_lp; 541 542 if (priv->hw->pcs && !stmmac_pcs_get_adv_lp(priv, priv->ioaddr, &adv_lp)) { 543 pause->autoneg = 1; 544 if (!adv_lp.pause) 545 return -EOPNOTSUPP; 546 return 0; 547 } else { 548 return phylink_ethtool_set_pauseparam(priv->phylink, pause); 549 } 550 } 551 552 static u64 stmmac_get_rx_normal_irq_n(struct stmmac_priv *priv, int q) 553 { 554 u64 total; 555 int cpu; 556 557 total = 0; 558 for_each_possible_cpu(cpu) { 559 struct stmmac_pcpu_stats *pcpu; 560 unsigned int start; 561 u64 irq_n; 562 563 pcpu = per_cpu_ptr(priv->xstats.pcpu_stats, cpu); 564 do { 565 start = u64_stats_fetch_begin(&pcpu->syncp); 566 irq_n = u64_stats_read(&pcpu->rx_normal_irq_n[q]); 567 } while (u64_stats_fetch_retry(&pcpu->syncp, start)); 568 total += irq_n; 569 } 570 return total; 571 } 572 573 static u64 stmmac_get_tx_normal_irq_n(struct stmmac_priv *priv, int q) 574 { 575 u64 total; 576 int cpu; 577 578 total = 0; 579 for_each_possible_cpu(cpu) { 580 struct stmmac_pcpu_stats *pcpu; 581 unsigned int start; 582 u64 irq_n; 583 584 pcpu = per_cpu_ptr(priv->xstats.pcpu_stats, cpu); 585 do { 586 start = u64_stats_fetch_begin(&pcpu->syncp); 587 irq_n = u64_stats_read(&pcpu->tx_normal_irq_n[q]); 588 } while (u64_stats_fetch_retry(&pcpu->syncp, start)); 589 total += irq_n; 590 } 591 return total; 592 } 593 594 static void stmmac_get_per_qstats(struct stmmac_priv *priv, u64 *data) 595 { 596 u32 tx_cnt = priv->plat->tx_queues_to_use; 597 u32 rx_cnt = priv->plat->rx_queues_to_use; 598 unsigned int start; 599 int q; 600 601 for (q = 0; q < tx_cnt; q++) { 602 struct stmmac_txq_stats *txq_stats = &priv->xstats.txq_stats[q]; 603 u64 pkt_n; 604 605 do { 606 start = u64_stats_fetch_begin(&txq_stats->napi_syncp); 607 pkt_n = u64_stats_read(&txq_stats->napi.tx_pkt_n); 608 } while (u64_stats_fetch_retry(&txq_stats->napi_syncp, start)); 609 610 *data++ = pkt_n; 611 *data++ = stmmac_get_tx_normal_irq_n(priv, q); 612 } 613 614 for (q = 0; q < rx_cnt; q++) { 615 struct stmmac_rxq_stats *rxq_stats = &priv->xstats.rxq_stats[q]; 616 u64 pkt_n; 617 618 do { 619 start = u64_stats_fetch_begin(&rxq_stats->napi_syncp); 620 pkt_n = u64_stats_read(&rxq_stats->napi.rx_pkt_n); 621 } while (u64_stats_fetch_retry(&rxq_stats->napi_syncp, start)); 622 623 *data++ = pkt_n; 624 *data++ = stmmac_get_rx_normal_irq_n(priv, q); 625 } 626 } 627 628 static void stmmac_get_ethtool_stats(struct net_device *dev, 629 struct ethtool_stats *dummy, u64 *data) 630 { 631 struct stmmac_priv *priv = netdev_priv(dev); 632 u32 rx_queues_count = priv->plat->rx_queues_to_use; 633 u32 tx_queues_count = priv->plat->tx_queues_to_use; 634 u64 napi_poll = 0, normal_irq_n = 0; 635 int i, j = 0, pos, ret; 636 unsigned long count; 637 unsigned int start; 638 639 if (priv->dma_cap.asp) { 640 for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) { 641 if (!stmmac_safety_feat_dump(priv, &priv->sstats, i, 642 &count, NULL)) 643 data[j++] = count; 644 } 645 } 646 647 /* Update the DMA HW counters for dwmac10/100 */ 648 ret = stmmac_dma_diagnostic_fr(priv, &priv->xstats, priv->ioaddr); 649 if (ret) { 650 /* If supported, for new GMAC chips expose the MMC counters */ 651 if (priv->dma_cap.rmon) { 652 stmmac_mmc_read(priv, priv->mmcaddr, &priv->mmc); 653 654 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) { 655 char *p; 656 p = (char *)priv + stmmac_mmc[i].stat_offset; 657 658 data[j++] = (stmmac_mmc[i].sizeof_stat == 659 sizeof(u64)) ? (*(u64 *)p) : 660 (*(u32 *)p); 661 } 662 } 663 if (priv->eee_enabled) { 664 int val = phylink_get_eee_err(priv->phylink); 665 if (val) 666 priv->xstats.phy_eee_wakeup_error_n = val; 667 } 668 669 if (priv->synopsys_id >= DWMAC_CORE_3_50) 670 stmmac_mac_debug(priv, priv->ioaddr, 671 (void *)&priv->xstats, 672 rx_queues_count, tx_queues_count); 673 } 674 for (i = 0; i < STMMAC_STATS_LEN; i++) { 675 char *p = (char *)priv + stmmac_gstrings_stats[i].stat_offset; 676 data[j++] = (stmmac_gstrings_stats[i].sizeof_stat == 677 sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p); 678 } 679 680 pos = j; 681 for (i = 0; i < rx_queues_count; i++) { 682 struct stmmac_rxq_stats *rxq_stats = &priv->xstats.rxq_stats[i]; 683 struct stmmac_napi_rx_stats snapshot; 684 u64 n_irq; 685 686 j = pos; 687 do { 688 start = u64_stats_fetch_begin(&rxq_stats->napi_syncp); 689 snapshot = rxq_stats->napi; 690 } while (u64_stats_fetch_retry(&rxq_stats->napi_syncp, start)); 691 692 data[j++] += u64_stats_read(&snapshot.rx_pkt_n); 693 n_irq = stmmac_get_rx_normal_irq_n(priv, i); 694 data[j++] += n_irq; 695 normal_irq_n += n_irq; 696 napi_poll += u64_stats_read(&snapshot.poll); 697 } 698 699 pos = j; 700 for (i = 0; i < tx_queues_count; i++) { 701 struct stmmac_txq_stats *txq_stats = &priv->xstats.txq_stats[i]; 702 struct stmmac_napi_tx_stats napi_snapshot; 703 struct stmmac_q_tx_stats q_snapshot; 704 u64 n_irq; 705 706 j = pos; 707 do { 708 start = u64_stats_fetch_begin(&txq_stats->q_syncp); 709 q_snapshot = txq_stats->q; 710 } while (u64_stats_fetch_retry(&txq_stats->q_syncp, start)); 711 do { 712 start = u64_stats_fetch_begin(&txq_stats->napi_syncp); 713 napi_snapshot = txq_stats->napi; 714 } while (u64_stats_fetch_retry(&txq_stats->napi_syncp, start)); 715 716 data[j++] += u64_stats_read(&napi_snapshot.tx_pkt_n); 717 n_irq = stmmac_get_tx_normal_irq_n(priv, i); 718 data[j++] += n_irq; 719 normal_irq_n += n_irq; 720 data[j++] += u64_stats_read(&napi_snapshot.tx_clean); 721 data[j++] += u64_stats_read(&q_snapshot.tx_set_ic_bit) + 722 u64_stats_read(&napi_snapshot.tx_set_ic_bit); 723 data[j++] += u64_stats_read(&q_snapshot.tx_tso_frames); 724 data[j++] += u64_stats_read(&q_snapshot.tx_tso_nfrags); 725 napi_poll += u64_stats_read(&napi_snapshot.poll); 726 } 727 normal_irq_n += priv->xstats.rx_early_irq; 728 data[j++] = normal_irq_n; 729 data[j++] = napi_poll; 730 731 stmmac_get_per_qstats(priv, &data[j]); 732 } 733 734 static int stmmac_get_sset_count(struct net_device *netdev, int sset) 735 { 736 struct stmmac_priv *priv = netdev_priv(netdev); 737 u32 tx_cnt = priv->plat->tx_queues_to_use; 738 u32 rx_cnt = priv->plat->rx_queues_to_use; 739 int i, len, safety_len = 0; 740 741 switch (sset) { 742 case ETH_SS_STATS: 743 len = STMMAC_STATS_LEN + STMMAC_QSTATS + 744 STMMAC_TXQ_STATS * tx_cnt + 745 STMMAC_RXQ_STATS * rx_cnt; 746 747 if (priv->dma_cap.rmon) 748 len += STMMAC_MMC_STATS_LEN; 749 if (priv->dma_cap.asp) { 750 for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) { 751 if (!stmmac_safety_feat_dump(priv, 752 &priv->sstats, i, 753 NULL, NULL)) 754 safety_len++; 755 } 756 757 len += safety_len; 758 } 759 760 return len; 761 case ETH_SS_TEST: 762 return stmmac_selftest_get_count(priv); 763 default: 764 return -EOPNOTSUPP; 765 } 766 } 767 768 static void stmmac_get_qstats_string(struct stmmac_priv *priv, u8 *data) 769 { 770 u32 tx_cnt = priv->plat->tx_queues_to_use; 771 u32 rx_cnt = priv->plat->rx_queues_to_use; 772 int q, stat; 773 774 for (q = 0; q < tx_cnt; q++) { 775 for (stat = 0; stat < STMMAC_TXQ_STATS; stat++) { 776 snprintf(data, ETH_GSTRING_LEN, "q%d_%s", q, 777 stmmac_qstats_tx_string[stat]); 778 data += ETH_GSTRING_LEN; 779 } 780 } 781 for (q = 0; q < rx_cnt; q++) { 782 for (stat = 0; stat < STMMAC_RXQ_STATS; stat++) { 783 snprintf(data, ETH_GSTRING_LEN, "q%d_%s", q, 784 stmmac_qstats_rx_string[stat]); 785 data += ETH_GSTRING_LEN; 786 } 787 } 788 } 789 790 static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data) 791 { 792 int i; 793 u8 *p = data; 794 struct stmmac_priv *priv = netdev_priv(dev); 795 796 switch (stringset) { 797 case ETH_SS_STATS: 798 if (priv->dma_cap.asp) { 799 for (i = 0; i < STMMAC_SAFETY_FEAT_SIZE; i++) { 800 const char *desc; 801 if (!stmmac_safety_feat_dump(priv, 802 &priv->sstats, i, 803 NULL, &desc)) { 804 memcpy(p, desc, ETH_GSTRING_LEN); 805 p += ETH_GSTRING_LEN; 806 } 807 } 808 } 809 if (priv->dma_cap.rmon) 810 for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) { 811 memcpy(p, stmmac_mmc[i].stat_string, 812 ETH_GSTRING_LEN); 813 p += ETH_GSTRING_LEN; 814 } 815 for (i = 0; i < STMMAC_STATS_LEN; i++) { 816 memcpy(p, stmmac_gstrings_stats[i].stat_string, ETH_GSTRING_LEN); 817 p += ETH_GSTRING_LEN; 818 } 819 for (i = 0; i < STMMAC_QSTATS; i++) { 820 memcpy(p, stmmac_qstats_string[i], ETH_GSTRING_LEN); 821 p += ETH_GSTRING_LEN; 822 } 823 stmmac_get_qstats_string(priv, p); 824 break; 825 case ETH_SS_TEST: 826 stmmac_selftest_get_strings(priv, p); 827 break; 828 default: 829 WARN_ON(1); 830 break; 831 } 832 } 833 834 /* Currently only support WOL through Magic packet. */ 835 static void stmmac_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 836 { 837 struct stmmac_priv *priv = netdev_priv(dev); 838 839 if (!priv->plat->pmt) 840 return phylink_ethtool_get_wol(priv->phylink, wol); 841 842 mutex_lock(&priv->lock); 843 if (device_can_wakeup(priv->device)) { 844 wol->supported = WAKE_MAGIC | WAKE_UCAST; 845 if (priv->hw_cap_support && !priv->dma_cap.pmt_magic_frame) 846 wol->supported &= ~WAKE_MAGIC; 847 wol->wolopts = priv->wolopts; 848 } 849 mutex_unlock(&priv->lock); 850 } 851 852 static int stmmac_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) 853 { 854 struct stmmac_priv *priv = netdev_priv(dev); 855 u32 support = WAKE_MAGIC | WAKE_UCAST; 856 857 if (!device_can_wakeup(priv->device)) 858 return -EOPNOTSUPP; 859 860 if (!priv->plat->pmt) { 861 int ret = phylink_ethtool_set_wol(priv->phylink, wol); 862 863 if (!ret) 864 device_set_wakeup_enable(priv->device, !!wol->wolopts); 865 return ret; 866 } 867 868 /* By default almost all GMAC devices support the WoL via 869 * magic frame but we can disable it if the HW capability 870 * register shows no support for pmt_magic_frame. */ 871 if ((priv->hw_cap_support) && (!priv->dma_cap.pmt_magic_frame)) 872 wol->wolopts &= ~WAKE_MAGIC; 873 874 if (wol->wolopts & ~support) 875 return -EINVAL; 876 877 if (wol->wolopts) { 878 pr_info("stmmac: wakeup enable\n"); 879 device_set_wakeup_enable(priv->device, 1); 880 /* Avoid unbalanced enable_irq_wake calls */ 881 if (priv->wol_irq_disabled) 882 enable_irq_wake(priv->wol_irq); 883 priv->wol_irq_disabled = false; 884 } else { 885 device_set_wakeup_enable(priv->device, 0); 886 /* Avoid unbalanced disable_irq_wake calls */ 887 if (!priv->wol_irq_disabled) 888 disable_irq_wake(priv->wol_irq); 889 priv->wol_irq_disabled = true; 890 } 891 892 mutex_lock(&priv->lock); 893 priv->wolopts = wol->wolopts; 894 mutex_unlock(&priv->lock); 895 896 return 0; 897 } 898 899 static int stmmac_ethtool_op_get_eee(struct net_device *dev, 900 struct ethtool_keee *edata) 901 { 902 struct stmmac_priv *priv = netdev_priv(dev); 903 904 if (!priv->dma_cap.eee) 905 return -EOPNOTSUPP; 906 907 edata->tx_lpi_timer = priv->tx_lpi_timer; 908 edata->tx_lpi_enabled = priv->tx_lpi_enabled; 909 910 return phylink_ethtool_get_eee(priv->phylink, edata); 911 } 912 913 static int stmmac_ethtool_op_set_eee(struct net_device *dev, 914 struct ethtool_keee *edata) 915 { 916 struct stmmac_priv *priv = netdev_priv(dev); 917 int ret; 918 919 if (!priv->dma_cap.eee) 920 return -EOPNOTSUPP; 921 922 if (priv->tx_lpi_enabled != edata->tx_lpi_enabled) 923 netdev_warn(priv->dev, 924 "Setting EEE tx-lpi is not supported\n"); 925 926 if (!edata->eee_enabled) 927 stmmac_disable_eee_mode(priv); 928 929 ret = phylink_ethtool_set_eee(priv->phylink, edata); 930 if (ret) 931 return ret; 932 933 if (edata->eee_enabled && 934 priv->tx_lpi_timer != edata->tx_lpi_timer) { 935 priv->tx_lpi_timer = edata->tx_lpi_timer; 936 stmmac_eee_init(priv); 937 } 938 939 return 0; 940 } 941 942 static u32 stmmac_usec2riwt(u32 usec, struct stmmac_priv *priv) 943 { 944 unsigned long clk = clk_get_rate(priv->plat->stmmac_clk); 945 946 if (!clk) { 947 clk = priv->plat->clk_ref_rate; 948 if (!clk) 949 return 0; 950 } 951 952 return (usec * (clk / 1000000)) / 256; 953 } 954 955 static u32 stmmac_riwt2usec(u32 riwt, struct stmmac_priv *priv) 956 { 957 unsigned long clk = clk_get_rate(priv->plat->stmmac_clk); 958 959 if (!clk) { 960 clk = priv->plat->clk_ref_rate; 961 if (!clk) 962 return 0; 963 } 964 965 return (riwt * 256) / (clk / 1000000); 966 } 967 968 static int __stmmac_get_coalesce(struct net_device *dev, 969 struct ethtool_coalesce *ec, 970 int queue) 971 { 972 struct stmmac_priv *priv = netdev_priv(dev); 973 u32 max_cnt; 974 u32 rx_cnt; 975 u32 tx_cnt; 976 977 rx_cnt = priv->plat->rx_queues_to_use; 978 tx_cnt = priv->plat->tx_queues_to_use; 979 max_cnt = max(rx_cnt, tx_cnt); 980 981 if (queue < 0) 982 queue = 0; 983 else if (queue >= max_cnt) 984 return -EINVAL; 985 986 if (queue < tx_cnt) { 987 ec->tx_coalesce_usecs = priv->tx_coal_timer[queue]; 988 ec->tx_max_coalesced_frames = priv->tx_coal_frames[queue]; 989 } else { 990 ec->tx_coalesce_usecs = 0; 991 ec->tx_max_coalesced_frames = 0; 992 } 993 994 if (priv->use_riwt && queue < rx_cnt) { 995 ec->rx_max_coalesced_frames = priv->rx_coal_frames[queue]; 996 ec->rx_coalesce_usecs = stmmac_riwt2usec(priv->rx_riwt[queue], 997 priv); 998 } else { 999 ec->rx_max_coalesced_frames = 0; 1000 ec->rx_coalesce_usecs = 0; 1001 } 1002 1003 return 0; 1004 } 1005 1006 static int stmmac_get_coalesce(struct net_device *dev, 1007 struct ethtool_coalesce *ec, 1008 struct kernel_ethtool_coalesce *kernel_coal, 1009 struct netlink_ext_ack *extack) 1010 { 1011 return __stmmac_get_coalesce(dev, ec, -1); 1012 } 1013 1014 static int stmmac_get_per_queue_coalesce(struct net_device *dev, u32 queue, 1015 struct ethtool_coalesce *ec) 1016 { 1017 return __stmmac_get_coalesce(dev, ec, queue); 1018 } 1019 1020 static int __stmmac_set_coalesce(struct net_device *dev, 1021 struct ethtool_coalesce *ec, 1022 int queue) 1023 { 1024 struct stmmac_priv *priv = netdev_priv(dev); 1025 bool all_queues = false; 1026 unsigned int rx_riwt; 1027 u32 max_cnt; 1028 u32 rx_cnt; 1029 u32 tx_cnt; 1030 1031 rx_cnt = priv->plat->rx_queues_to_use; 1032 tx_cnt = priv->plat->tx_queues_to_use; 1033 max_cnt = max(rx_cnt, tx_cnt); 1034 1035 if (queue < 0) 1036 all_queues = true; 1037 else if (queue >= max_cnt) 1038 return -EINVAL; 1039 1040 if (priv->use_riwt) { 1041 rx_riwt = stmmac_usec2riwt(ec->rx_coalesce_usecs, priv); 1042 1043 if ((rx_riwt > MAX_DMA_RIWT) || (rx_riwt < MIN_DMA_RIWT)) 1044 return -EINVAL; 1045 1046 if (all_queues) { 1047 int i; 1048 1049 for (i = 0; i < rx_cnt; i++) { 1050 priv->rx_riwt[i] = rx_riwt; 1051 stmmac_rx_watchdog(priv, priv->ioaddr, 1052 rx_riwt, i); 1053 priv->rx_coal_frames[i] = 1054 ec->rx_max_coalesced_frames; 1055 } 1056 } else if (queue < rx_cnt) { 1057 priv->rx_riwt[queue] = rx_riwt; 1058 stmmac_rx_watchdog(priv, priv->ioaddr, 1059 rx_riwt, queue); 1060 priv->rx_coal_frames[queue] = 1061 ec->rx_max_coalesced_frames; 1062 } 1063 } 1064 1065 if ((ec->tx_coalesce_usecs == 0) && 1066 (ec->tx_max_coalesced_frames == 0)) 1067 return -EINVAL; 1068 1069 if ((ec->tx_coalesce_usecs > STMMAC_MAX_COAL_TX_TICK) || 1070 (ec->tx_max_coalesced_frames > STMMAC_TX_MAX_FRAMES)) 1071 return -EINVAL; 1072 1073 if (all_queues) { 1074 int i; 1075 1076 for (i = 0; i < tx_cnt; i++) { 1077 priv->tx_coal_frames[i] = 1078 ec->tx_max_coalesced_frames; 1079 priv->tx_coal_timer[i] = 1080 ec->tx_coalesce_usecs; 1081 } 1082 } else if (queue < tx_cnt) { 1083 priv->tx_coal_frames[queue] = 1084 ec->tx_max_coalesced_frames; 1085 priv->tx_coal_timer[queue] = 1086 ec->tx_coalesce_usecs; 1087 } 1088 1089 return 0; 1090 } 1091 1092 static int stmmac_set_coalesce(struct net_device *dev, 1093 struct ethtool_coalesce *ec, 1094 struct kernel_ethtool_coalesce *kernel_coal, 1095 struct netlink_ext_ack *extack) 1096 { 1097 return __stmmac_set_coalesce(dev, ec, -1); 1098 } 1099 1100 static int stmmac_set_per_queue_coalesce(struct net_device *dev, u32 queue, 1101 struct ethtool_coalesce *ec) 1102 { 1103 return __stmmac_set_coalesce(dev, ec, queue); 1104 } 1105 1106 static int stmmac_get_rxnfc(struct net_device *dev, 1107 struct ethtool_rxnfc *rxnfc, u32 *rule_locs) 1108 { 1109 struct stmmac_priv *priv = netdev_priv(dev); 1110 1111 switch (rxnfc->cmd) { 1112 case ETHTOOL_GRXRINGS: 1113 rxnfc->data = priv->plat->rx_queues_to_use; 1114 break; 1115 default: 1116 return -EOPNOTSUPP; 1117 } 1118 1119 return 0; 1120 } 1121 1122 static u32 stmmac_get_rxfh_key_size(struct net_device *dev) 1123 { 1124 struct stmmac_priv *priv = netdev_priv(dev); 1125 1126 return sizeof(priv->rss.key); 1127 } 1128 1129 static u32 stmmac_get_rxfh_indir_size(struct net_device *dev) 1130 { 1131 struct stmmac_priv *priv = netdev_priv(dev); 1132 1133 return ARRAY_SIZE(priv->rss.table); 1134 } 1135 1136 static int stmmac_get_rxfh(struct net_device *dev, 1137 struct ethtool_rxfh_param *rxfh) 1138 { 1139 struct stmmac_priv *priv = netdev_priv(dev); 1140 int i; 1141 1142 if (rxfh->indir) { 1143 for (i = 0; i < ARRAY_SIZE(priv->rss.table); i++) 1144 rxfh->indir[i] = priv->rss.table[i]; 1145 } 1146 1147 if (rxfh->key) 1148 memcpy(rxfh->key, priv->rss.key, sizeof(priv->rss.key)); 1149 rxfh->hfunc = ETH_RSS_HASH_TOP; 1150 1151 return 0; 1152 } 1153 1154 static int stmmac_set_rxfh(struct net_device *dev, 1155 struct ethtool_rxfh_param *rxfh, 1156 struct netlink_ext_ack *extack) 1157 { 1158 struct stmmac_priv *priv = netdev_priv(dev); 1159 int i; 1160 1161 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE && 1162 rxfh->hfunc != ETH_RSS_HASH_TOP) 1163 return -EOPNOTSUPP; 1164 1165 if (rxfh->indir) { 1166 for (i = 0; i < ARRAY_SIZE(priv->rss.table); i++) 1167 priv->rss.table[i] = rxfh->indir[i]; 1168 } 1169 1170 if (rxfh->key) 1171 memcpy(priv->rss.key, rxfh->key, sizeof(priv->rss.key)); 1172 1173 return stmmac_rss_configure(priv, priv->hw, &priv->rss, 1174 priv->plat->rx_queues_to_use); 1175 } 1176 1177 static void stmmac_get_channels(struct net_device *dev, 1178 struct ethtool_channels *chan) 1179 { 1180 struct stmmac_priv *priv = netdev_priv(dev); 1181 1182 chan->rx_count = priv->plat->rx_queues_to_use; 1183 chan->tx_count = priv->plat->tx_queues_to_use; 1184 chan->max_rx = priv->dma_cap.number_rx_queues; 1185 chan->max_tx = priv->dma_cap.number_tx_queues; 1186 } 1187 1188 static int stmmac_set_channels(struct net_device *dev, 1189 struct ethtool_channels *chan) 1190 { 1191 struct stmmac_priv *priv = netdev_priv(dev); 1192 1193 if (chan->rx_count > priv->dma_cap.number_rx_queues || 1194 chan->tx_count > priv->dma_cap.number_tx_queues || 1195 !chan->rx_count || !chan->tx_count) 1196 return -EINVAL; 1197 1198 return stmmac_reinit_queues(dev, chan->rx_count, chan->tx_count); 1199 } 1200 1201 static int stmmac_get_ts_info(struct net_device *dev, 1202 struct ethtool_ts_info *info) 1203 { 1204 struct stmmac_priv *priv = netdev_priv(dev); 1205 1206 if ((priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) { 1207 1208 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 1209 SOF_TIMESTAMPING_TX_HARDWARE | 1210 SOF_TIMESTAMPING_RX_SOFTWARE | 1211 SOF_TIMESTAMPING_RX_HARDWARE | 1212 SOF_TIMESTAMPING_SOFTWARE | 1213 SOF_TIMESTAMPING_RAW_HARDWARE; 1214 1215 if (priv->ptp_clock) 1216 info->phc_index = ptp_clock_index(priv->ptp_clock); 1217 1218 info->tx_types = (1 << HWTSTAMP_TX_OFF) | (1 << HWTSTAMP_TX_ON); 1219 1220 info->rx_filters = ((1 << HWTSTAMP_FILTER_NONE) | 1221 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) | 1222 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) | 1223 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) | 1224 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) | 1225 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) | 1226 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) | 1227 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT) | 1228 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) | 1229 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) | 1230 (1 << HWTSTAMP_FILTER_ALL)); 1231 return 0; 1232 } else 1233 return ethtool_op_get_ts_info(dev, info); 1234 } 1235 1236 static int stmmac_get_tunable(struct net_device *dev, 1237 const struct ethtool_tunable *tuna, void *data) 1238 { 1239 struct stmmac_priv *priv = netdev_priv(dev); 1240 int ret = 0; 1241 1242 switch (tuna->id) { 1243 case ETHTOOL_RX_COPYBREAK: 1244 *(u32 *)data = priv->rx_copybreak; 1245 break; 1246 default: 1247 ret = -EINVAL; 1248 break; 1249 } 1250 1251 return ret; 1252 } 1253 1254 static int stmmac_set_tunable(struct net_device *dev, 1255 const struct ethtool_tunable *tuna, 1256 const void *data) 1257 { 1258 struct stmmac_priv *priv = netdev_priv(dev); 1259 int ret = 0; 1260 1261 switch (tuna->id) { 1262 case ETHTOOL_RX_COPYBREAK: 1263 priv->rx_copybreak = *(u32 *)data; 1264 break; 1265 default: 1266 ret = -EINVAL; 1267 break; 1268 } 1269 1270 return ret; 1271 } 1272 1273 static const struct ethtool_ops stmmac_ethtool_ops = { 1274 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 1275 ETHTOOL_COALESCE_MAX_FRAMES, 1276 .begin = stmmac_check_if_running, 1277 .get_drvinfo = stmmac_ethtool_getdrvinfo, 1278 .get_msglevel = stmmac_ethtool_getmsglevel, 1279 .set_msglevel = stmmac_ethtool_setmsglevel, 1280 .get_regs = stmmac_ethtool_gregs, 1281 .get_regs_len = stmmac_ethtool_get_regs_len, 1282 .get_link = ethtool_op_get_link, 1283 .nway_reset = stmmac_nway_reset, 1284 .get_ringparam = stmmac_get_ringparam, 1285 .set_ringparam = stmmac_set_ringparam, 1286 .get_pauseparam = stmmac_get_pauseparam, 1287 .set_pauseparam = stmmac_set_pauseparam, 1288 .self_test = stmmac_selftest_run, 1289 .get_ethtool_stats = stmmac_get_ethtool_stats, 1290 .get_strings = stmmac_get_strings, 1291 .get_wol = stmmac_get_wol, 1292 .set_wol = stmmac_set_wol, 1293 .get_eee = stmmac_ethtool_op_get_eee, 1294 .set_eee = stmmac_ethtool_op_set_eee, 1295 .get_sset_count = stmmac_get_sset_count, 1296 .get_rxnfc = stmmac_get_rxnfc, 1297 .get_rxfh_key_size = stmmac_get_rxfh_key_size, 1298 .get_rxfh_indir_size = stmmac_get_rxfh_indir_size, 1299 .get_rxfh = stmmac_get_rxfh, 1300 .set_rxfh = stmmac_set_rxfh, 1301 .get_ts_info = stmmac_get_ts_info, 1302 .get_coalesce = stmmac_get_coalesce, 1303 .set_coalesce = stmmac_set_coalesce, 1304 .get_per_queue_coalesce = stmmac_get_per_queue_coalesce, 1305 .set_per_queue_coalesce = stmmac_set_per_queue_coalesce, 1306 .get_channels = stmmac_get_channels, 1307 .set_channels = stmmac_set_channels, 1308 .get_tunable = stmmac_get_tunable, 1309 .set_tunable = stmmac_set_tunable, 1310 .get_link_ksettings = stmmac_ethtool_get_link_ksettings, 1311 .set_link_ksettings = stmmac_ethtool_set_link_ksettings, 1312 }; 1313 1314 void stmmac_set_ethtool_ops(struct net_device *netdev) 1315 { 1316 netdev->ethtool_ops = &stmmac_ethtool_ops; 1317 } 1318