Bryan Whitehead | 0cf6322 | 2018-07-23 16:16:26 -0400 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
| 2 | /* Copyright (C) 2018 Microchip Technology Inc. */ |
| 3 | |
| 4 | #include <linux/netdevice.h> |
Bryan Whitehead | 07624df | 2018-08-09 15:36:10 -0400 | [diff] [blame] | 5 | #include <linux/net_tstamp.h> |
Bryan Whitehead | 0cf6322 | 2018-07-23 16:16:26 -0400 | [diff] [blame] | 6 | #include <linux/pci.h> |
Bryan Whitehead | 63b92a9 | 2018-07-23 16:16:27 -0400 | [diff] [blame] | 7 | #include <linux/phy.h> |
Roelof Berg | 6f197fb | 2020-05-29 21:30:02 +0200 | [diff] [blame] | 8 | #include "lan743x_main.h" |
| 9 | #include "lan743x_ethtool.h" |
Bryan Whitehead | 0cf6322 | 2018-07-23 16:16:26 -0400 | [diff] [blame] | 10 | |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 11 | /* eeprom */ |
| 12 | #define LAN743X_EEPROM_MAGIC (0x74A5) |
| 13 | #define LAN743X_OTP_MAGIC (0x74F3) |
| 14 | #define EEPROM_INDICATOR_1 (0xA5) |
| 15 | #define EEPROM_INDICATOR_2 (0xAA) |
| 16 | #define EEPROM_MAC_OFFSET (0x01) |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 17 | #define MAX_EEPROM_SIZE (512) |
| 18 | #define MAX_OTP_SIZE (1024) |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 19 | #define OTP_INDICATOR_1 (0xF3) |
| 20 | #define OTP_INDICATOR_2 (0xF7) |
| 21 | |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 22 | static int lan743x_otp_power_up(struct lan743x_adapter *adapter) |
| 23 | { |
| 24 | u32 reg_value; |
| 25 | |
| 26 | reg_value = lan743x_csr_read(adapter, OTP_PWR_DN); |
| 27 | |
| 28 | if (reg_value & OTP_PWR_DN_PWRDN_N_) { |
| 29 | /* clear it and wait to be cleared */ |
| 30 | reg_value &= ~OTP_PWR_DN_PWRDN_N_; |
| 31 | lan743x_csr_write(adapter, OTP_PWR_DN, reg_value); |
| 32 | |
| 33 | usleep_range(100, 20000); |
| 34 | } |
| 35 | |
| 36 | return 0; |
| 37 | } |
| 38 | |
| 39 | static void lan743x_otp_power_down(struct lan743x_adapter *adapter) |
| 40 | { |
| 41 | u32 reg_value; |
| 42 | |
| 43 | reg_value = lan743x_csr_read(adapter, OTP_PWR_DN); |
| 44 | if (!(reg_value & OTP_PWR_DN_PWRDN_N_)) { |
| 45 | /* set power down bit */ |
| 46 | reg_value |= OTP_PWR_DN_PWRDN_N_; |
| 47 | lan743x_csr_write(adapter, OTP_PWR_DN, reg_value); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | static void lan743x_otp_set_address(struct lan743x_adapter *adapter, |
| 52 | u32 address) |
| 53 | { |
| 54 | lan743x_csr_write(adapter, OTP_ADDR_HIGH, (address >> 8) & 0x03); |
| 55 | lan743x_csr_write(adapter, OTP_ADDR_LOW, address & 0xFF); |
| 56 | } |
| 57 | |
| 58 | static void lan743x_otp_read_go(struct lan743x_adapter *adapter) |
| 59 | { |
| 60 | lan743x_csr_write(adapter, OTP_FUNC_CMD, OTP_FUNC_CMD_READ_); |
| 61 | lan743x_csr_write(adapter, OTP_CMD_GO, OTP_CMD_GO_GO_); |
| 62 | } |
| 63 | |
| 64 | static int lan743x_otp_wait_till_not_busy(struct lan743x_adapter *adapter) |
| 65 | { |
| 66 | unsigned long timeout; |
| 67 | u32 reg_val; |
| 68 | |
| 69 | timeout = jiffies + HZ; |
| 70 | do { |
| 71 | if (time_after(jiffies, timeout)) { |
| 72 | netif_warn(adapter, drv, adapter->netdev, |
| 73 | "Timeout on OTP_STATUS completion\n"); |
| 74 | return -EIO; |
| 75 | } |
| 76 | udelay(1); |
| 77 | reg_val = lan743x_csr_read(adapter, OTP_STATUS); |
| 78 | } while (reg_val & OTP_STATUS_BUSY_); |
| 79 | |
| 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | static int lan743x_otp_read(struct lan743x_adapter *adapter, u32 offset, |
| 84 | u32 length, u8 *data) |
| 85 | { |
| 86 | int ret; |
| 87 | int i; |
| 88 | |
| 89 | if (offset + length > MAX_OTP_SIZE) |
| 90 | return -EINVAL; |
| 91 | |
| 92 | ret = lan743x_otp_power_up(adapter); |
| 93 | if (ret < 0) |
| 94 | return ret; |
| 95 | |
| 96 | ret = lan743x_otp_wait_till_not_busy(adapter); |
| 97 | if (ret < 0) |
| 98 | return ret; |
| 99 | |
| 100 | for (i = 0; i < length; i++) { |
| 101 | lan743x_otp_set_address(adapter, offset + i); |
| 102 | |
| 103 | lan743x_otp_read_go(adapter); |
| 104 | ret = lan743x_otp_wait_till_not_busy(adapter); |
| 105 | if (ret < 0) |
| 106 | return ret; |
| 107 | data[i] = lan743x_csr_read(adapter, OTP_READ_DATA); |
| 108 | } |
| 109 | |
| 110 | lan743x_otp_power_down(adapter); |
| 111 | |
| 112 | return 0; |
| 113 | } |
| 114 | |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 115 | static int lan743x_otp_write(struct lan743x_adapter *adapter, u32 offset, |
| 116 | u32 length, u8 *data) |
| 117 | { |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 118 | int ret; |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 119 | int i; |
| 120 | |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 121 | if (offset + length > MAX_OTP_SIZE) |
| 122 | return -EINVAL; |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 123 | |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 124 | ret = lan743x_otp_power_up(adapter); |
| 125 | if (ret < 0) |
| 126 | return ret; |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 127 | |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 128 | ret = lan743x_otp_wait_till_not_busy(adapter); |
| 129 | if (ret < 0) |
| 130 | return ret; |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 131 | |
| 132 | /* set to BYTE program mode */ |
| 133 | lan743x_csr_write(adapter, OTP_PRGM_MODE, OTP_PRGM_MODE_BYTE_); |
| 134 | |
| 135 | for (i = 0; i < length; i++) { |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 136 | lan743x_otp_set_address(adapter, offset + i); |
| 137 | |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 138 | lan743x_csr_write(adapter, OTP_PRGM_DATA, data[i]); |
| 139 | lan743x_csr_write(adapter, OTP_TST_CMD, OTP_TST_CMD_PRGVRFY_); |
| 140 | lan743x_csr_write(adapter, OTP_CMD_GO, OTP_CMD_GO_GO_); |
| 141 | |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 142 | ret = lan743x_otp_wait_till_not_busy(adapter); |
| 143 | if (ret < 0) |
| 144 | return ret; |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 145 | } |
| 146 | |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 147 | lan743x_otp_power_down(adapter); |
| 148 | |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 149 | return 0; |
| 150 | } |
| 151 | |
| 152 | static int lan743x_eeprom_wait(struct lan743x_adapter *adapter) |
| 153 | { |
| 154 | unsigned long start_time = jiffies; |
| 155 | u32 val; |
| 156 | |
| 157 | do { |
| 158 | val = lan743x_csr_read(adapter, E2P_CMD); |
| 159 | |
| 160 | if (!(val & E2P_CMD_EPC_BUSY_) || |
| 161 | (val & E2P_CMD_EPC_TIMEOUT_)) |
| 162 | break; |
| 163 | usleep_range(40, 100); |
| 164 | } while (!time_after(jiffies, start_time + HZ)); |
| 165 | |
| 166 | if (val & (E2P_CMD_EPC_TIMEOUT_ | E2P_CMD_EPC_BUSY_)) { |
| 167 | netif_warn(adapter, drv, adapter->netdev, |
| 168 | "EEPROM read operation timeout\n"); |
| 169 | return -EIO; |
| 170 | } |
| 171 | |
| 172 | return 0; |
| 173 | } |
| 174 | |
| 175 | static int lan743x_eeprom_confirm_not_busy(struct lan743x_adapter *adapter) |
| 176 | { |
| 177 | unsigned long start_time = jiffies; |
| 178 | u32 val; |
| 179 | |
| 180 | do { |
| 181 | val = lan743x_csr_read(adapter, E2P_CMD); |
| 182 | |
| 183 | if (!(val & E2P_CMD_EPC_BUSY_)) |
| 184 | return 0; |
| 185 | |
| 186 | usleep_range(40, 100); |
| 187 | } while (!time_after(jiffies, start_time + HZ)); |
| 188 | |
| 189 | netif_warn(adapter, drv, adapter->netdev, "EEPROM is busy\n"); |
| 190 | return -EIO; |
| 191 | } |
| 192 | |
| 193 | static int lan743x_eeprom_read(struct lan743x_adapter *adapter, |
| 194 | u32 offset, u32 length, u8 *data) |
| 195 | { |
| 196 | int retval; |
| 197 | u32 val; |
| 198 | int i; |
| 199 | |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 200 | if (offset + length > MAX_EEPROM_SIZE) |
| 201 | return -EINVAL; |
| 202 | |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 203 | retval = lan743x_eeprom_confirm_not_busy(adapter); |
| 204 | if (retval) |
| 205 | return retval; |
| 206 | |
| 207 | for (i = 0; i < length; i++) { |
| 208 | val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_READ_; |
| 209 | val |= (offset & E2P_CMD_EPC_ADDR_MASK_); |
| 210 | lan743x_csr_write(adapter, E2P_CMD, val); |
| 211 | |
| 212 | retval = lan743x_eeprom_wait(adapter); |
| 213 | if (retval < 0) |
| 214 | return retval; |
| 215 | |
| 216 | val = lan743x_csr_read(adapter, E2P_DATA); |
| 217 | data[i] = val & 0xFF; |
| 218 | offset++; |
| 219 | } |
| 220 | |
| 221 | return 0; |
| 222 | } |
| 223 | |
| 224 | static int lan743x_eeprom_write(struct lan743x_adapter *adapter, |
| 225 | u32 offset, u32 length, u8 *data) |
| 226 | { |
| 227 | int retval; |
| 228 | u32 val; |
| 229 | int i; |
| 230 | |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 231 | if (offset + length > MAX_EEPROM_SIZE) |
| 232 | return -EINVAL; |
| 233 | |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 234 | retval = lan743x_eeprom_confirm_not_busy(adapter); |
| 235 | if (retval) |
| 236 | return retval; |
| 237 | |
| 238 | /* Issue write/erase enable command */ |
| 239 | val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_EWEN_; |
| 240 | lan743x_csr_write(adapter, E2P_CMD, val); |
| 241 | |
| 242 | retval = lan743x_eeprom_wait(adapter); |
| 243 | if (retval < 0) |
| 244 | return retval; |
| 245 | |
| 246 | for (i = 0; i < length; i++) { |
| 247 | /* Fill data register */ |
| 248 | val = data[i]; |
| 249 | lan743x_csr_write(adapter, E2P_DATA, val); |
| 250 | |
| 251 | /* Send "write" command */ |
| 252 | val = E2P_CMD_EPC_BUSY_ | E2P_CMD_EPC_CMD_WRITE_; |
| 253 | val |= (offset & E2P_CMD_EPC_ADDR_MASK_); |
| 254 | lan743x_csr_write(adapter, E2P_CMD, val); |
| 255 | |
| 256 | retval = lan743x_eeprom_wait(adapter); |
| 257 | if (retval < 0) |
| 258 | return retval; |
| 259 | |
| 260 | offset++; |
| 261 | } |
| 262 | |
| 263 | return 0; |
| 264 | } |
| 265 | |
Bryan Whitehead | 0cf6322 | 2018-07-23 16:16:26 -0400 | [diff] [blame] | 266 | static void lan743x_ethtool_get_drvinfo(struct net_device *netdev, |
| 267 | struct ethtool_drvinfo *info) |
| 268 | { |
| 269 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 270 | |
| 271 | strlcpy(info->driver, DRIVER_NAME, sizeof(info->driver)); |
| 272 | strlcpy(info->bus_info, |
| 273 | pci_name(adapter->pdev), sizeof(info->bus_info)); |
| 274 | } |
| 275 | |
Bryan Whitehead | 2958337 | 2018-07-23 16:16:29 -0400 | [diff] [blame] | 276 | static u32 lan743x_ethtool_get_msglevel(struct net_device *netdev) |
| 277 | { |
| 278 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 279 | |
| 280 | return adapter->msg_enable; |
| 281 | } |
| 282 | |
| 283 | static void lan743x_ethtool_set_msglevel(struct net_device *netdev, |
| 284 | u32 msglevel) |
| 285 | { |
| 286 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 287 | |
| 288 | adapter->msg_enable = msglevel; |
| 289 | } |
| 290 | |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 291 | static int lan743x_ethtool_get_eeprom_len(struct net_device *netdev) |
| 292 | { |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 293 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 294 | |
| 295 | if (adapter->flags & LAN743X_ADAPTER_FLAG_OTP) |
| 296 | return MAX_OTP_SIZE; |
| 297 | |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 298 | return MAX_EEPROM_SIZE; |
| 299 | } |
| 300 | |
| 301 | static int lan743x_ethtool_get_eeprom(struct net_device *netdev, |
| 302 | struct ethtool_eeprom *ee, u8 *data) |
| 303 | { |
| 304 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 305 | int ret = 0; |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 306 | |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 307 | if (adapter->flags & LAN743X_ADAPTER_FLAG_OTP) |
| 308 | ret = lan743x_otp_read(adapter, ee->offset, ee->len, data); |
| 309 | else |
| 310 | ret = lan743x_eeprom_read(adapter, ee->offset, ee->len, data); |
| 311 | |
| 312 | return ret; |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 313 | } |
| 314 | |
| 315 | static int lan743x_ethtool_set_eeprom(struct net_device *netdev, |
| 316 | struct ethtool_eeprom *ee, u8 *data) |
| 317 | { |
| 318 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 319 | int ret = -EINVAL; |
| 320 | |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 321 | if (adapter->flags & LAN743X_ADAPTER_FLAG_OTP) { |
| 322 | /* Beware! OTP is One Time Programming ONLY! */ |
| 323 | if (ee->magic == LAN743X_OTP_MAGIC) { |
| 324 | ret = lan743x_otp_write(adapter, ee->offset, |
| 325 | ee->len, data); |
| 326 | } |
| 327 | } else { |
| 328 | if (ee->magic == LAN743X_EEPROM_MAGIC) { |
| 329 | ret = lan743x_eeprom_write(adapter, ee->offset, |
| 330 | ee->len, data); |
| 331 | } |
| 332 | } |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 333 | |
| 334 | return ret; |
| 335 | } |
| 336 | |
Bryan Whitehead | 8114e8a | 2018-07-23 16:16:28 -0400 | [diff] [blame] | 337 | static const char lan743x_set0_hw_cnt_strings[][ETH_GSTRING_LEN] = { |
| 338 | "RX FCS Errors", |
| 339 | "RX Alignment Errors", |
| 340 | "Rx Fragment Errors", |
| 341 | "RX Jabber Errors", |
| 342 | "RX Undersize Frame Errors", |
| 343 | "RX Oversize Frame Errors", |
| 344 | "RX Dropped Frames", |
| 345 | "RX Unicast Byte Count", |
| 346 | "RX Broadcast Byte Count", |
| 347 | "RX Multicast Byte Count", |
| 348 | "RX Unicast Frames", |
| 349 | "RX Broadcast Frames", |
| 350 | "RX Multicast Frames", |
| 351 | "RX Pause Frames", |
| 352 | "RX 64 Byte Frames", |
| 353 | "RX 65 - 127 Byte Frames", |
| 354 | "RX 128 - 255 Byte Frames", |
| 355 | "RX 256 - 511 Bytes Frames", |
| 356 | "RX 512 - 1023 Byte Frames", |
| 357 | "RX 1024 - 1518 Byte Frames", |
| 358 | "RX Greater 1518 Byte Frames", |
| 359 | }; |
| 360 | |
| 361 | static const char lan743x_set1_sw_cnt_strings[][ETH_GSTRING_LEN] = { |
| 362 | "RX Queue 0 Frames", |
| 363 | "RX Queue 1 Frames", |
| 364 | "RX Queue 2 Frames", |
| 365 | "RX Queue 3 Frames", |
| 366 | }; |
| 367 | |
| 368 | static const char lan743x_set2_hw_cnt_strings[][ETH_GSTRING_LEN] = { |
| 369 | "RX Total Frames", |
| 370 | "EEE RX LPI Transitions", |
| 371 | "EEE RX LPI Time", |
| 372 | "RX Counter Rollover Status", |
| 373 | "TX FCS Errors", |
| 374 | "TX Excess Deferral Errors", |
| 375 | "TX Carrier Errors", |
| 376 | "TX Bad Byte Count", |
| 377 | "TX Single Collisions", |
| 378 | "TX Multiple Collisions", |
| 379 | "TX Excessive Collision", |
| 380 | "TX Late Collisions", |
| 381 | "TX Unicast Byte Count", |
| 382 | "TX Broadcast Byte Count", |
| 383 | "TX Multicast Byte Count", |
| 384 | "TX Unicast Frames", |
| 385 | "TX Broadcast Frames", |
| 386 | "TX Multicast Frames", |
| 387 | "TX Pause Frames", |
| 388 | "TX 64 Byte Frames", |
| 389 | "TX 65 - 127 Byte Frames", |
| 390 | "TX 128 - 255 Byte Frames", |
| 391 | "TX 256 - 511 Bytes Frames", |
| 392 | "TX 512 - 1023 Byte Frames", |
| 393 | "TX 1024 - 1518 Byte Frames", |
| 394 | "TX Greater 1518 Byte Frames", |
| 395 | "TX Total Frames", |
| 396 | "EEE TX LPI Transitions", |
| 397 | "EEE TX LPI Time", |
| 398 | "TX Counter Rollover Status", |
| 399 | }; |
| 400 | |
| 401 | static const u32 lan743x_set0_hw_cnt_addr[] = { |
| 402 | STAT_RX_FCS_ERRORS, |
| 403 | STAT_RX_ALIGNMENT_ERRORS, |
| 404 | STAT_RX_FRAGMENT_ERRORS, |
| 405 | STAT_RX_JABBER_ERRORS, |
| 406 | STAT_RX_UNDERSIZE_FRAME_ERRORS, |
| 407 | STAT_RX_OVERSIZE_FRAME_ERRORS, |
| 408 | STAT_RX_DROPPED_FRAMES, |
| 409 | STAT_RX_UNICAST_BYTE_COUNT, |
| 410 | STAT_RX_BROADCAST_BYTE_COUNT, |
| 411 | STAT_RX_MULTICAST_BYTE_COUNT, |
| 412 | STAT_RX_UNICAST_FRAMES, |
| 413 | STAT_RX_BROADCAST_FRAMES, |
| 414 | STAT_RX_MULTICAST_FRAMES, |
| 415 | STAT_RX_PAUSE_FRAMES, |
| 416 | STAT_RX_64_BYTE_FRAMES, |
| 417 | STAT_RX_65_127_BYTE_FRAMES, |
| 418 | STAT_RX_128_255_BYTE_FRAMES, |
| 419 | STAT_RX_256_511_BYTES_FRAMES, |
| 420 | STAT_RX_512_1023_BYTE_FRAMES, |
| 421 | STAT_RX_1024_1518_BYTE_FRAMES, |
| 422 | STAT_RX_GREATER_1518_BYTE_FRAMES, |
| 423 | }; |
| 424 | |
| 425 | static const u32 lan743x_set2_hw_cnt_addr[] = { |
| 426 | STAT_RX_TOTAL_FRAMES, |
| 427 | STAT_EEE_RX_LPI_TRANSITIONS, |
| 428 | STAT_EEE_RX_LPI_TIME, |
| 429 | STAT_RX_COUNTER_ROLLOVER_STATUS, |
| 430 | STAT_TX_FCS_ERRORS, |
| 431 | STAT_TX_EXCESS_DEFERRAL_ERRORS, |
| 432 | STAT_TX_CARRIER_ERRORS, |
| 433 | STAT_TX_BAD_BYTE_COUNT, |
| 434 | STAT_TX_SINGLE_COLLISIONS, |
| 435 | STAT_TX_MULTIPLE_COLLISIONS, |
| 436 | STAT_TX_EXCESSIVE_COLLISION, |
| 437 | STAT_TX_LATE_COLLISIONS, |
| 438 | STAT_TX_UNICAST_BYTE_COUNT, |
| 439 | STAT_TX_BROADCAST_BYTE_COUNT, |
| 440 | STAT_TX_MULTICAST_BYTE_COUNT, |
| 441 | STAT_TX_UNICAST_FRAMES, |
| 442 | STAT_TX_BROADCAST_FRAMES, |
| 443 | STAT_TX_MULTICAST_FRAMES, |
| 444 | STAT_TX_PAUSE_FRAMES, |
| 445 | STAT_TX_64_BYTE_FRAMES, |
| 446 | STAT_TX_65_127_BYTE_FRAMES, |
| 447 | STAT_TX_128_255_BYTE_FRAMES, |
| 448 | STAT_TX_256_511_BYTES_FRAMES, |
| 449 | STAT_TX_512_1023_BYTE_FRAMES, |
| 450 | STAT_TX_1024_1518_BYTE_FRAMES, |
| 451 | STAT_TX_GREATER_1518_BYTE_FRAMES, |
| 452 | STAT_TX_TOTAL_FRAMES, |
| 453 | STAT_EEE_TX_LPI_TRANSITIONS, |
| 454 | STAT_EEE_TX_LPI_TIME, |
| 455 | STAT_TX_COUNTER_ROLLOVER_STATUS |
| 456 | }; |
| 457 | |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 458 | static const char lan743x_priv_flags_strings[][ETH_GSTRING_LEN] = { |
| 459 | "OTP_ACCESS", |
| 460 | }; |
| 461 | |
Bryan Whitehead | 8114e8a | 2018-07-23 16:16:28 -0400 | [diff] [blame] | 462 | static void lan743x_ethtool_get_strings(struct net_device *netdev, |
| 463 | u32 stringset, u8 *data) |
| 464 | { |
| 465 | switch (stringset) { |
| 466 | case ETH_SS_STATS: |
| 467 | memcpy(data, lan743x_set0_hw_cnt_strings, |
| 468 | sizeof(lan743x_set0_hw_cnt_strings)); |
| 469 | memcpy(&data[sizeof(lan743x_set0_hw_cnt_strings)], |
| 470 | lan743x_set1_sw_cnt_strings, |
| 471 | sizeof(lan743x_set1_sw_cnt_strings)); |
| 472 | memcpy(&data[sizeof(lan743x_set0_hw_cnt_strings) + |
| 473 | sizeof(lan743x_set1_sw_cnt_strings)], |
| 474 | lan743x_set2_hw_cnt_strings, |
| 475 | sizeof(lan743x_set2_hw_cnt_strings)); |
| 476 | break; |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 477 | case ETH_SS_PRIV_FLAGS: |
| 478 | memcpy(data, lan743x_priv_flags_strings, |
| 479 | sizeof(lan743x_priv_flags_strings)); |
| 480 | break; |
Bryan Whitehead | 8114e8a | 2018-07-23 16:16:28 -0400 | [diff] [blame] | 481 | } |
| 482 | } |
| 483 | |
| 484 | static void lan743x_ethtool_get_ethtool_stats(struct net_device *netdev, |
| 485 | struct ethtool_stats *stats, |
| 486 | u64 *data) |
| 487 | { |
| 488 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 489 | int data_index = 0; |
| 490 | u32 buf; |
| 491 | int i; |
| 492 | |
| 493 | for (i = 0; i < ARRAY_SIZE(lan743x_set0_hw_cnt_addr); i++) { |
| 494 | buf = lan743x_csr_read(adapter, lan743x_set0_hw_cnt_addr[i]); |
| 495 | data[data_index++] = (u64)buf; |
| 496 | } |
| 497 | for (i = 0; i < ARRAY_SIZE(adapter->rx); i++) |
| 498 | data[data_index++] = (u64)(adapter->rx[i].frame_count); |
| 499 | for (i = 0; i < ARRAY_SIZE(lan743x_set2_hw_cnt_addr); i++) { |
| 500 | buf = lan743x_csr_read(adapter, lan743x_set2_hw_cnt_addr[i]); |
| 501 | data[data_index++] = (u64)buf; |
| 502 | } |
| 503 | } |
| 504 | |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 505 | static u32 lan743x_ethtool_get_priv_flags(struct net_device *netdev) |
| 506 | { |
| 507 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 508 | |
| 509 | return adapter->flags; |
| 510 | } |
| 511 | |
| 512 | static int lan743x_ethtool_set_priv_flags(struct net_device *netdev, u32 flags) |
| 513 | { |
| 514 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 515 | |
| 516 | adapter->flags = flags; |
| 517 | |
| 518 | return 0; |
| 519 | } |
| 520 | |
Bryan Whitehead | 8114e8a | 2018-07-23 16:16:28 -0400 | [diff] [blame] | 521 | static int lan743x_ethtool_get_sset_count(struct net_device *netdev, int sset) |
| 522 | { |
| 523 | switch (sset) { |
| 524 | case ETH_SS_STATS: |
| 525 | { |
| 526 | int ret; |
| 527 | |
| 528 | ret = ARRAY_SIZE(lan743x_set0_hw_cnt_strings); |
| 529 | ret += ARRAY_SIZE(lan743x_set1_sw_cnt_strings); |
| 530 | ret += ARRAY_SIZE(lan743x_set2_hw_cnt_strings); |
| 531 | return ret; |
| 532 | } |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 533 | case ETH_SS_PRIV_FLAGS: |
| 534 | return ARRAY_SIZE(lan743x_priv_flags_strings); |
Bryan Whitehead | 8114e8a | 2018-07-23 16:16:28 -0400 | [diff] [blame] | 535 | default: |
| 536 | return -EOPNOTSUPP; |
| 537 | } |
| 538 | } |
| 539 | |
Bryan Whitehead | 43e8fe9 | 2018-07-23 16:16:33 -0400 | [diff] [blame] | 540 | static int lan743x_ethtool_get_rxnfc(struct net_device *netdev, |
| 541 | struct ethtool_rxnfc *rxnfc, |
| 542 | u32 *rule_locs) |
| 543 | { |
| 544 | switch (rxnfc->cmd) { |
| 545 | case ETHTOOL_GRXFH: |
| 546 | rxnfc->data = 0; |
| 547 | switch (rxnfc->flow_type) { |
| 548 | case TCP_V4_FLOW:case UDP_V4_FLOW: |
| 549 | case TCP_V6_FLOW:case UDP_V6_FLOW: |
| 550 | rxnfc->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; |
Gustavo A. R. Silva | df561f66 | 2020-08-23 17:36:59 -0500 | [diff] [blame] | 551 | fallthrough; |
Bryan Whitehead | 43e8fe9 | 2018-07-23 16:16:33 -0400 | [diff] [blame] | 552 | case IPV4_FLOW: case IPV6_FLOW: |
| 553 | rxnfc->data |= RXH_IP_SRC | RXH_IP_DST; |
| 554 | return 0; |
| 555 | } |
| 556 | break; |
| 557 | case ETHTOOL_GRXRINGS: |
| 558 | rxnfc->data = LAN743X_USED_RX_CHANNELS; |
| 559 | return 0; |
| 560 | } |
| 561 | return -EOPNOTSUPP; |
| 562 | } |
| 563 | |
| 564 | static u32 lan743x_ethtool_get_rxfh_key_size(struct net_device *netdev) |
| 565 | { |
| 566 | return 40; |
| 567 | } |
| 568 | |
| 569 | static u32 lan743x_ethtool_get_rxfh_indir_size(struct net_device *netdev) |
| 570 | { |
| 571 | return 128; |
| 572 | } |
| 573 | |
| 574 | static int lan743x_ethtool_get_rxfh(struct net_device *netdev, |
| 575 | u32 *indir, u8 *key, u8 *hfunc) |
| 576 | { |
| 577 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 578 | |
| 579 | if (indir) { |
| 580 | int dw_index; |
| 581 | int byte_index = 0; |
| 582 | |
| 583 | for (dw_index = 0; dw_index < 32; dw_index++) { |
| 584 | u32 four_entries = |
| 585 | lan743x_csr_read(adapter, RFE_INDX(dw_index)); |
| 586 | |
| 587 | byte_index = dw_index << 2; |
| 588 | indir[byte_index + 0] = |
| 589 | ((four_entries >> 0) & 0x000000FF); |
| 590 | indir[byte_index + 1] = |
| 591 | ((four_entries >> 8) & 0x000000FF); |
| 592 | indir[byte_index + 2] = |
| 593 | ((four_entries >> 16) & 0x000000FF); |
| 594 | indir[byte_index + 3] = |
| 595 | ((four_entries >> 24) & 0x000000FF); |
| 596 | } |
| 597 | } |
| 598 | if (key) { |
| 599 | int dword_index; |
| 600 | int byte_index = 0; |
| 601 | |
| 602 | for (dword_index = 0; dword_index < 10; dword_index++) { |
| 603 | u32 four_entries = |
| 604 | lan743x_csr_read(adapter, |
| 605 | RFE_HASH_KEY(dword_index)); |
| 606 | |
| 607 | byte_index = dword_index << 2; |
| 608 | key[byte_index + 0] = |
| 609 | ((four_entries >> 0) & 0x000000FF); |
| 610 | key[byte_index + 1] = |
| 611 | ((four_entries >> 8) & 0x000000FF); |
| 612 | key[byte_index + 2] = |
| 613 | ((four_entries >> 16) & 0x000000FF); |
| 614 | key[byte_index + 3] = |
| 615 | ((four_entries >> 24) & 0x000000FF); |
| 616 | } |
| 617 | } |
| 618 | if (hfunc) |
| 619 | (*hfunc) = ETH_RSS_HASH_TOP; |
| 620 | return 0; |
| 621 | } |
| 622 | |
| 623 | static int lan743x_ethtool_set_rxfh(struct net_device *netdev, |
| 624 | const u32 *indir, const u8 *key, |
| 625 | const u8 hfunc) |
| 626 | { |
| 627 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 628 | |
| 629 | if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) |
| 630 | return -EOPNOTSUPP; |
| 631 | |
| 632 | if (indir) { |
| 633 | u32 indir_value = 0; |
| 634 | int dword_index = 0; |
| 635 | int byte_index = 0; |
| 636 | |
| 637 | for (dword_index = 0; dword_index < 32; dword_index++) { |
| 638 | byte_index = dword_index << 2; |
| 639 | indir_value = |
| 640 | (((indir[byte_index + 0] & 0x000000FF) << 0) | |
| 641 | ((indir[byte_index + 1] & 0x000000FF) << 8) | |
| 642 | ((indir[byte_index + 2] & 0x000000FF) << 16) | |
| 643 | ((indir[byte_index + 3] & 0x000000FF) << 24)); |
| 644 | lan743x_csr_write(adapter, RFE_INDX(dword_index), |
| 645 | indir_value); |
| 646 | } |
| 647 | } |
| 648 | if (key) { |
| 649 | int dword_index = 0; |
| 650 | int byte_index = 0; |
| 651 | u32 key_value = 0; |
| 652 | |
| 653 | for (dword_index = 0; dword_index < 10; dword_index++) { |
| 654 | byte_index = dword_index << 2; |
| 655 | key_value = |
| 656 | ((((u32)(key[byte_index + 0])) << 0) | |
| 657 | (((u32)(key[byte_index + 1])) << 8) | |
| 658 | (((u32)(key[byte_index + 2])) << 16) | |
| 659 | (((u32)(key[byte_index + 3])) << 24)); |
| 660 | lan743x_csr_write(adapter, RFE_HASH_KEY(dword_index), |
| 661 | key_value); |
| 662 | } |
| 663 | } |
| 664 | return 0; |
| 665 | } |
| 666 | |
Bryan Whitehead | 07624df | 2018-08-09 15:36:10 -0400 | [diff] [blame] | 667 | static int lan743x_ethtool_get_ts_info(struct net_device *netdev, |
| 668 | struct ethtool_ts_info *ts_info) |
| 669 | { |
| 670 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 671 | |
| 672 | ts_info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | |
| 673 | SOF_TIMESTAMPING_RX_SOFTWARE | |
| 674 | SOF_TIMESTAMPING_SOFTWARE | |
| 675 | SOF_TIMESTAMPING_TX_HARDWARE | |
| 676 | SOF_TIMESTAMPING_RX_HARDWARE | |
| 677 | SOF_TIMESTAMPING_RAW_HARDWARE; |
| 678 | |
| 679 | if (adapter->ptp.ptp_clock) |
| 680 | ts_info->phc_index = ptp_clock_index(adapter->ptp.ptp_clock); |
| 681 | else |
| 682 | ts_info->phc_index = -1; |
| 683 | |
| 684 | ts_info->tx_types = BIT(HWTSTAMP_TX_OFF) | |
| 685 | BIT(HWTSTAMP_TX_ON) | |
| 686 | BIT(HWTSTAMP_TX_ONESTEP_SYNC); |
| 687 | ts_info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | |
| 688 | BIT(HWTSTAMP_FILTER_ALL); |
| 689 | return 0; |
| 690 | } |
| 691 | |
Bryan Whitehead | c9cf96b | 2018-07-23 16:16:32 -0400 | [diff] [blame] | 692 | static int lan743x_ethtool_get_eee(struct net_device *netdev, |
| 693 | struct ethtool_eee *eee) |
| 694 | { |
| 695 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 696 | struct phy_device *phydev = netdev->phydev; |
| 697 | u32 buf; |
| 698 | int ret; |
| 699 | |
| 700 | if (!phydev) |
| 701 | return -EIO; |
| 702 | if (!phydev->drv) { |
| 703 | netif_err(adapter, drv, adapter->netdev, |
| 704 | "Missing PHY Driver\n"); |
| 705 | return -EIO; |
| 706 | } |
| 707 | |
| 708 | ret = phy_ethtool_get_eee(phydev, eee); |
| 709 | if (ret < 0) |
| 710 | return ret; |
| 711 | |
| 712 | buf = lan743x_csr_read(adapter, MAC_CR); |
| 713 | if (buf & MAC_CR_EEE_EN_) { |
| 714 | eee->eee_enabled = true; |
| 715 | eee->eee_active = !!(eee->advertised & eee->lp_advertised); |
| 716 | eee->tx_lpi_enabled = true; |
| 717 | /* EEE_TX_LPI_REQ_DLY & tx_lpi_timer are same uSec unit */ |
| 718 | buf = lan743x_csr_read(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT); |
| 719 | eee->tx_lpi_timer = buf; |
| 720 | } else { |
| 721 | eee->eee_enabled = false; |
| 722 | eee->eee_active = false; |
| 723 | eee->tx_lpi_enabled = false; |
| 724 | eee->tx_lpi_timer = 0; |
| 725 | } |
| 726 | |
| 727 | return 0; |
| 728 | } |
| 729 | |
| 730 | static int lan743x_ethtool_set_eee(struct net_device *netdev, |
| 731 | struct ethtool_eee *eee) |
| 732 | { |
Colin Ian King | 37f368d | 2021-03-28 22:46:47 +0100 | [diff] [blame] | 733 | struct lan743x_adapter *adapter; |
| 734 | struct phy_device *phydev; |
Bryan Whitehead | c9cf96b | 2018-07-23 16:16:32 -0400 | [diff] [blame] | 735 | u32 buf = 0; |
| 736 | int ret = 0; |
| 737 | |
| 738 | if (!netdev) |
| 739 | return -EINVAL; |
| 740 | adapter = netdev_priv(netdev); |
| 741 | if (!adapter) |
| 742 | return -EINVAL; |
| 743 | phydev = netdev->phydev; |
| 744 | if (!phydev) |
| 745 | return -EIO; |
| 746 | if (!phydev->drv) { |
| 747 | netif_err(adapter, drv, adapter->netdev, |
| 748 | "Missing PHY Driver\n"); |
| 749 | return -EIO; |
| 750 | } |
| 751 | |
| 752 | if (eee->eee_enabled) { |
| 753 | ret = phy_init_eee(phydev, 0); |
| 754 | if (ret) { |
| 755 | netif_err(adapter, drv, adapter->netdev, |
| 756 | "EEE initialization failed\n"); |
| 757 | return ret; |
| 758 | } |
| 759 | |
| 760 | buf = (u32)eee->tx_lpi_timer; |
| 761 | lan743x_csr_write(adapter, MAC_EEE_TX_LPI_REQ_DLY_CNT, buf); |
| 762 | |
| 763 | buf = lan743x_csr_read(adapter, MAC_CR); |
| 764 | buf |= MAC_CR_EEE_EN_; |
| 765 | lan743x_csr_write(adapter, MAC_CR, buf); |
| 766 | } else { |
| 767 | buf = lan743x_csr_read(adapter, MAC_CR); |
| 768 | buf &= ~MAC_CR_EEE_EN_; |
| 769 | lan743x_csr_write(adapter, MAC_CR, buf); |
| 770 | } |
| 771 | |
| 772 | return phy_ethtool_set_eee(phydev, eee); |
| 773 | } |
| 774 | |
Bryan Whitehead | 4d94282 | 2018-07-23 16:16:31 -0400 | [diff] [blame] | 775 | #ifdef CONFIG_PM |
| 776 | static void lan743x_ethtool_get_wol(struct net_device *netdev, |
| 777 | struct ethtool_wolinfo *wol) |
| 778 | { |
| 779 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 780 | |
| 781 | wol->supported = 0; |
| 782 | wol->wolopts = 0; |
Sergej Bauer | e9e13b6 | 2020-11-02 01:35:55 +0300 | [diff] [blame] | 783 | |
| 784 | if (netdev->phydev) |
| 785 | phy_ethtool_get_wol(netdev->phydev, wol); |
Bryan Whitehead | 4d94282 | 2018-07-23 16:16:31 -0400 | [diff] [blame] | 786 | |
| 787 | wol->supported |= WAKE_BCAST | WAKE_UCAST | WAKE_MCAST | |
| 788 | WAKE_MAGIC | WAKE_PHY | WAKE_ARP; |
| 789 | |
| 790 | wol->wolopts |= adapter->wolopts; |
| 791 | } |
| 792 | |
| 793 | static int lan743x_ethtool_set_wol(struct net_device *netdev, |
| 794 | struct ethtool_wolinfo *wol) |
| 795 | { |
| 796 | struct lan743x_adapter *adapter = netdev_priv(netdev); |
| 797 | |
| 798 | adapter->wolopts = 0; |
| 799 | if (wol->wolopts & WAKE_UCAST) |
| 800 | adapter->wolopts |= WAKE_UCAST; |
| 801 | if (wol->wolopts & WAKE_MCAST) |
| 802 | adapter->wolopts |= WAKE_MCAST; |
| 803 | if (wol->wolopts & WAKE_BCAST) |
| 804 | adapter->wolopts |= WAKE_BCAST; |
| 805 | if (wol->wolopts & WAKE_MAGIC) |
| 806 | adapter->wolopts |= WAKE_MAGIC; |
| 807 | if (wol->wolopts & WAKE_PHY) |
| 808 | adapter->wolopts |= WAKE_PHY; |
| 809 | if (wol->wolopts & WAKE_ARP) |
| 810 | adapter->wolopts |= WAKE_ARP; |
| 811 | |
| 812 | device_set_wakeup_enable(&adapter->pdev->dev, (bool)wol->wolopts); |
| 813 | |
Sergej Bauer | e9e13b6 | 2020-11-02 01:35:55 +0300 | [diff] [blame] | 814 | return netdev->phydev ? phy_ethtool_set_wol(netdev->phydev, wol) |
| 815 | : -ENETDOWN; |
Bryan Whitehead | 4d94282 | 2018-07-23 16:16:31 -0400 | [diff] [blame] | 816 | } |
| 817 | #endif /* CONFIG_PM */ |
| 818 | |
Bryan Whitehead | 0cf6322 | 2018-07-23 16:16:26 -0400 | [diff] [blame] | 819 | const struct ethtool_ops lan743x_ethtool_ops = { |
| 820 | .get_drvinfo = lan743x_ethtool_get_drvinfo, |
Bryan Whitehead | 2958337 | 2018-07-23 16:16:29 -0400 | [diff] [blame] | 821 | .get_msglevel = lan743x_ethtool_get_msglevel, |
| 822 | .set_msglevel = lan743x_ethtool_set_msglevel, |
Bryan Whitehead | 63b92a9 | 2018-07-23 16:16:27 -0400 | [diff] [blame] | 823 | .get_link = ethtool_op_get_link, |
| 824 | |
Bryan Whitehead | 6958460 | 2018-07-23 16:16:30 -0400 | [diff] [blame] | 825 | .get_eeprom_len = lan743x_ethtool_get_eeprom_len, |
| 826 | .get_eeprom = lan743x_ethtool_get_eeprom, |
| 827 | .set_eeprom = lan743x_ethtool_set_eeprom, |
Bryan Whitehead | 8114e8a | 2018-07-23 16:16:28 -0400 | [diff] [blame] | 828 | .get_strings = lan743x_ethtool_get_strings, |
| 829 | .get_ethtool_stats = lan743x_ethtool_get_ethtool_stats, |
Bryan Whitehead | 662a14d | 2019-01-23 15:18:47 -0500 | [diff] [blame] | 830 | .get_priv_flags = lan743x_ethtool_get_priv_flags, |
| 831 | .set_priv_flags = lan743x_ethtool_set_priv_flags, |
Bryan Whitehead | 8114e8a | 2018-07-23 16:16:28 -0400 | [diff] [blame] | 832 | .get_sset_count = lan743x_ethtool_get_sset_count, |
Bryan Whitehead | 43e8fe9 | 2018-07-23 16:16:33 -0400 | [diff] [blame] | 833 | .get_rxnfc = lan743x_ethtool_get_rxnfc, |
| 834 | .get_rxfh_key_size = lan743x_ethtool_get_rxfh_key_size, |
| 835 | .get_rxfh_indir_size = lan743x_ethtool_get_rxfh_indir_size, |
| 836 | .get_rxfh = lan743x_ethtool_get_rxfh, |
| 837 | .set_rxfh = lan743x_ethtool_set_rxfh, |
Bryan Whitehead | 07624df | 2018-08-09 15:36:10 -0400 | [diff] [blame] | 838 | .get_ts_info = lan743x_ethtool_get_ts_info, |
Bryan Whitehead | c9cf96b | 2018-07-23 16:16:32 -0400 | [diff] [blame] | 839 | .get_eee = lan743x_ethtool_get_eee, |
| 840 | .set_eee = lan743x_ethtool_set_eee, |
Bryan Whitehead | 63b92a9 | 2018-07-23 16:16:27 -0400 | [diff] [blame] | 841 | .get_link_ksettings = phy_ethtool_get_link_ksettings, |
| 842 | .set_link_ksettings = phy_ethtool_set_link_ksettings, |
Bryan Whitehead | 4d94282 | 2018-07-23 16:16:31 -0400 | [diff] [blame] | 843 | #ifdef CONFIG_PM |
| 844 | .get_wol = lan743x_ethtool_get_wol, |
| 845 | .set_wol = lan743x_ethtool_set_wol, |
| 846 | #endif |
Bryan Whitehead | 0cf6322 | 2018-07-23 16:16:26 -0400 | [diff] [blame] | 847 | }; |