1 /******************************************************************************* 2 3 Intel 82599 Virtual Function driver 4 Copyright(c) 1999 - 2009 Intel Corporation. 5 6 This program is free software; you can redistribute it and/or modify it 7 under the terms and conditions of the GNU General Public License, 8 version 2, as published by the Free Software Foundation. 9 10 This program is distributed in the hope it will be useful, but WITHOUT 11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 more details. 14 15 You should have received a copy of the GNU General Public License along with 16 this program; if not, write to the Free Software Foundation, Inc., 17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 18 19 The full GNU General Public License is included in this distribution in 20 the file called "COPYING". 21 22 Contact Information: 23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 25 26 *******************************************************************************/ 27 28 /* ethtool support for ixgbevf */ 29 30 #include <linux/types.h> 31 #include <linux/module.h> 32 #include <linux/slab.h> 33 #include <linux/pci.h> 34 #include <linux/netdevice.h> 35 #include <linux/ethtool.h> 36 #include <linux/vmalloc.h> 37 #include <linux/if_vlan.h> 38 #include <linux/uaccess.h> 39 40 #include "ixgbevf.h" 41 42 #define IXGBE_ALL_RAR_ENTRIES 16 43 44 #ifdef ETHTOOL_GSTATS 45 struct ixgbe_stats { 46 char stat_string[ETH_GSTRING_LEN]; 47 int sizeof_stat; 48 int stat_offset; 49 int base_stat_offset; 50 int saved_reset_offset; 51 }; 52 53 #define IXGBEVF_STAT(m, b, r) sizeof(((struct ixgbevf_adapter *)0)->m), \ 54 offsetof(struct ixgbevf_adapter, m), \ 55 offsetof(struct ixgbevf_adapter, b), \ 56 offsetof(struct ixgbevf_adapter, r) 57 static struct ixgbe_stats ixgbe_gstrings_stats[] = { 58 {"rx_packets", IXGBEVF_STAT(stats.vfgprc, stats.base_vfgprc, 59 stats.saved_reset_vfgprc)}, 60 {"tx_packets", IXGBEVF_STAT(stats.vfgptc, stats.base_vfgptc, 61 stats.saved_reset_vfgptc)}, 62 {"rx_bytes", IXGBEVF_STAT(stats.vfgorc, stats.base_vfgorc, 63 stats.saved_reset_vfgorc)}, 64 {"tx_bytes", IXGBEVF_STAT(stats.vfgotc, stats.base_vfgotc, 65 stats.saved_reset_vfgotc)}, 66 {"tx_busy", IXGBEVF_STAT(tx_busy, zero_base, zero_base)}, 67 {"multicast", IXGBEVF_STAT(stats.vfmprc, stats.base_vfmprc, 68 stats.saved_reset_vfmprc)}, 69 {"rx_csum_offload_good", IXGBEVF_STAT(hw_csum_rx_good, zero_base, 70 zero_base)}, 71 {"rx_csum_offload_errors", IXGBEVF_STAT(hw_csum_rx_error, zero_base, 72 zero_base)}, 73 {"tx_csum_offload_ctxt", IXGBEVF_STAT(hw_csum_tx_good, zero_base, 74 zero_base)}, 75 {"rx_header_split", IXGBEVF_STAT(rx_hdr_split, zero_base, zero_base)}, 76 }; 77 78 #define IXGBE_QUEUE_STATS_LEN 0 79 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats) 80 81 #define IXGBEVF_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + IXGBE_QUEUE_STATS_LEN) 82 #endif /* ETHTOOL_GSTATS */ 83 #ifdef ETHTOOL_TEST 84 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = { 85 "Register test (offline)", 86 "Link test (on/offline)" 87 }; 88 #define IXGBE_TEST_LEN (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN) 89 #endif /* ETHTOOL_TEST */ 90 91 static int ixgbevf_get_settings(struct net_device *netdev, 92 struct ethtool_cmd *ecmd) 93 { 94 struct ixgbevf_adapter *adapter = netdev_priv(netdev); 95 struct ixgbe_hw *hw = &adapter->hw; 96 u32 link_speed = 0; 97 bool link_up; 98 99 ecmd->supported = SUPPORTED_10000baseT_Full; 100 ecmd->autoneg = AUTONEG_DISABLE; 101 ecmd->transceiver = XCVR_DUMMY1; 102 ecmd->port = -1; 103 104 hw->mac.ops.check_link(hw, &link_speed, &link_up, false); 105 106 if (link_up) { 107 ethtool_cmd_speed_set( 108 ecmd, 109 (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ? 110 SPEED_10000 : SPEED_1000); 111 ecmd->duplex = DUPLEX_FULL; 112 } else { 113 ethtool_cmd_speed_set(ecmd, -1); 114 ecmd->duplex = -1; 115 } 116 117 return 0; 118 } 119 120 static u32 ixgbevf_get_msglevel(struct net_device *netdev) 121 { 122 struct ixgbevf_adapter *adapter = netdev_priv(netdev); 123 return adapter->msg_enable; 124 } 125 126 static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data) 127 { 128 struct ixgbevf_adapter *adapter = netdev_priv(netdev); 129 adapter->msg_enable = data; 130 } 131 132 #define IXGBE_GET_STAT(_A_, _R_) (_A_->stats._R_) 133 134 static char *ixgbevf_reg_names[] = { 135 "IXGBE_VFCTRL", 136 "IXGBE_VFSTATUS", 137 "IXGBE_VFLINKS", 138 "IXGBE_VFRXMEMWRAP", 139 "IXGBE_VFFRTIMER", 140 "IXGBE_VTEICR", 141 "IXGBE_VTEICS", 142 "IXGBE_VTEIMS", 143 "IXGBE_VTEIMC", 144 "IXGBE_VTEIAC", 145 "IXGBE_VTEIAM", 146 "IXGBE_VTEITR", 147 "IXGBE_VTIVAR", 148 "IXGBE_VTIVAR_MISC", 149 "IXGBE_VFRDBAL0", 150 "IXGBE_VFRDBAL1", 151 "IXGBE_VFRDBAH0", 152 "IXGBE_VFRDBAH1", 153 "IXGBE_VFRDLEN0", 154 "IXGBE_VFRDLEN1", 155 "IXGBE_VFRDH0", 156 "IXGBE_VFRDH1", 157 "IXGBE_VFRDT0", 158 "IXGBE_VFRDT1", 159 "IXGBE_VFRXDCTL0", 160 "IXGBE_VFRXDCTL1", 161 "IXGBE_VFSRRCTL0", 162 "IXGBE_VFSRRCTL1", 163 "IXGBE_VFPSRTYPE", 164 "IXGBE_VFTDBAL0", 165 "IXGBE_VFTDBAL1", 166 "IXGBE_VFTDBAH0", 167 "IXGBE_VFTDBAH1", 168 "IXGBE_VFTDLEN0", 169 "IXGBE_VFTDLEN1", 170 "IXGBE_VFTDH0", 171 "IXGBE_VFTDH1", 172 "IXGBE_VFTDT0", 173 "IXGBE_VFTDT1", 174 "IXGBE_VFTXDCTL0", 175 "IXGBE_VFTXDCTL1", 176 "IXGBE_VFTDWBAL0", 177 "IXGBE_VFTDWBAL1", 178 "IXGBE_VFTDWBAH0", 179 "IXGBE_VFTDWBAH1" 180 }; 181 182 183 static int ixgbevf_get_regs_len(struct net_device *netdev) 184 { 185 return (ARRAY_SIZE(ixgbevf_reg_names)) * sizeof(u32); 186 } 187 188 static void ixgbevf_get_regs(struct net_device *netdev, 189 struct ethtool_regs *regs, 190 void *p) 191 { 192 struct ixgbevf_adapter *adapter = netdev_priv(netdev); 193 struct ixgbe_hw *hw = &adapter->hw; 194 u32 *regs_buff = p; 195 u32 regs_len = ixgbevf_get_regs_len(netdev); 196 u8 i; 197 198 memset(p, 0, regs_len); 199 200 regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id; 201 202 /* General Registers */ 203 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_VFCTRL); 204 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_VFSTATUS); 205 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_VFLINKS); 206 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_VFRXMEMWRAP); 207 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_VFFRTIMER); 208 209 /* Interrupt */ 210 /* don't read EICR because it can clear interrupt causes, instead 211 * read EICS which is a shadow but doesn't clear EICR */ 212 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS); 213 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS); 214 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS); 215 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_VTEIMC); 216 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_VTEIAC); 217 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_VTEIAM); 218 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_VTEITR(0)); 219 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_VTIVAR(0)); 220 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC); 221 222 /* Receive DMA */ 223 for (i = 0; i < 2; i++) 224 regs_buff[14 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAL(i)); 225 for (i = 0; i < 2; i++) 226 regs_buff[16 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAH(i)); 227 for (i = 0; i < 2; i++) 228 regs_buff[18 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDLEN(i)); 229 for (i = 0; i < 2; i++) 230 regs_buff[20 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDH(i)); 231 for (i = 0; i < 2; i++) 232 regs_buff[22 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDT(i)); 233 for (i = 0; i < 2; i++) 234 regs_buff[24 + i] = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i)); 235 for (i = 0; i < 2; i++) 236 regs_buff[26 + i] = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i)); 237 238 /* Receive */ 239 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_VFPSRTYPE); 240 241 /* Transmit */ 242 for (i = 0; i < 2; i++) 243 regs_buff[29 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAL(i)); 244 for (i = 0; i < 2; i++) 245 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAH(i)); 246 for (i = 0; i < 2; i++) 247 regs_buff[33 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDLEN(i)); 248 for (i = 0; i < 2; i++) 249 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDH(i)); 250 for (i = 0; i < 2; i++) 251 regs_buff[37 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDT(i)); 252 for (i = 0; i < 2; i++) 253 regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i)); 254 for (i = 0; i < 2; i++) 255 regs_buff[41 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAL(i)); 256 for (i = 0; i < 2; i++) 257 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAH(i)); 258 259 for (i = 0; i < ARRAY_SIZE(ixgbevf_reg_names); i++) 260 hw_dbg(hw, "%s\t%8.8x\n", ixgbevf_reg_names[i], regs_buff[i]); 261 } 262 263 static void ixgbevf_get_drvinfo(struct net_device *netdev, 264 struct ethtool_drvinfo *drvinfo) 265 { 266 struct ixgbevf_adapter *adapter = netdev_priv(netdev); 267 268 strlcpy(drvinfo->driver, ixgbevf_driver_name, 32); 269 strlcpy(drvinfo->version, ixgbevf_driver_version, 32); 270 271 strlcpy(drvinfo->fw_version, "N/A", 4); 272 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); 273 } 274 275 static void ixgbevf_get_ringparam(struct net_device *netdev, 276 struct ethtool_ringparam *ring) 277 { 278 struct ixgbevf_adapter *adapter = netdev_priv(netdev); 279 struct ixgbevf_ring *tx_ring = adapter->tx_ring; 280 struct ixgbevf_ring *rx_ring = adapter->rx_ring; 281 282 ring->rx_max_pending = IXGBEVF_MAX_RXD; 283 ring->tx_max_pending = IXGBEVF_MAX_TXD; 284 ring->rx_pending = rx_ring->count; 285 ring->tx_pending = tx_ring->count; 286 } 287 288 static int ixgbevf_set_ringparam(struct net_device *netdev, 289 struct ethtool_ringparam *ring) 290 { 291 struct ixgbevf_adapter *adapter = netdev_priv(netdev); 292 struct ixgbevf_ring *tx_ring = NULL, *rx_ring = NULL; 293 int i, err = 0; 294 u32 new_rx_count, new_tx_count; 295 296 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) 297 return -EINVAL; 298 299 new_rx_count = max(ring->rx_pending, (u32)IXGBEVF_MIN_RXD); 300 new_rx_count = min(new_rx_count, (u32)IXGBEVF_MAX_RXD); 301 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE); 302 303 new_tx_count = max(ring->tx_pending, (u32)IXGBEVF_MIN_TXD); 304 new_tx_count = min(new_tx_count, (u32)IXGBEVF_MAX_TXD); 305 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE); 306 307 if ((new_tx_count == adapter->tx_ring->count) && 308 (new_rx_count == adapter->rx_ring->count)) { 309 /* nothing to do */ 310 return 0; 311 } 312 313 while (test_and_set_bit(__IXGBEVF_RESETTING, &adapter->state)) 314 msleep(1); 315 316 /* 317 * If the adapter isn't up and running then just set the 318 * new parameters and scurry for the exits. 319 */ 320 if (!netif_running(adapter->netdev)) { 321 for (i = 0; i < adapter->num_tx_queues; i++) 322 adapter->tx_ring[i].count = new_tx_count; 323 for (i = 0; i < adapter->num_rx_queues; i++) 324 adapter->rx_ring[i].count = new_rx_count; 325 adapter->tx_ring_count = new_tx_count; 326 adapter->rx_ring_count = new_rx_count; 327 goto clear_reset; 328 } 329 330 tx_ring = kcalloc(adapter->num_tx_queues, 331 sizeof(struct ixgbevf_ring), GFP_KERNEL); 332 if (!tx_ring) { 333 err = -ENOMEM; 334 goto clear_reset; 335 } 336 337 rx_ring = kcalloc(adapter->num_rx_queues, 338 sizeof(struct ixgbevf_ring), GFP_KERNEL); 339 if (!rx_ring) { 340 err = -ENOMEM; 341 goto err_rx_setup; 342 } 343 344 ixgbevf_down(adapter); 345 346 memcpy(tx_ring, adapter->tx_ring, 347 adapter->num_tx_queues * sizeof(struct ixgbevf_ring)); 348 for (i = 0; i < adapter->num_tx_queues; i++) { 349 tx_ring[i].count = new_tx_count; 350 err = ixgbevf_setup_tx_resources(adapter, &tx_ring[i]); 351 if (err) { 352 while (i) { 353 i--; 354 ixgbevf_free_tx_resources(adapter, 355 &tx_ring[i]); 356 } 357 goto err_tx_ring_setup; 358 } 359 tx_ring[i].v_idx = adapter->tx_ring[i].v_idx; 360 } 361 362 memcpy(rx_ring, adapter->rx_ring, 363 adapter->num_rx_queues * sizeof(struct ixgbevf_ring)); 364 for (i = 0; i < adapter->num_rx_queues; i++) { 365 rx_ring[i].count = new_rx_count; 366 err = ixgbevf_setup_rx_resources(adapter, &rx_ring[i]); 367 if (err) { 368 while (i) { 369 i--; 370 ixgbevf_free_rx_resources(adapter, 371 &rx_ring[i]); 372 } 373 goto err_rx_ring_setup; 374 } 375 rx_ring[i].v_idx = adapter->rx_ring[i].v_idx; 376 } 377 378 /* 379 * Only switch to new rings if all the prior allocations 380 * and ring setups have succeeded. 381 */ 382 kfree(adapter->tx_ring); 383 adapter->tx_ring = tx_ring; 384 adapter->tx_ring_count = new_tx_count; 385 386 kfree(adapter->rx_ring); 387 adapter->rx_ring = rx_ring; 388 adapter->rx_ring_count = new_rx_count; 389 390 /* success! */ 391 ixgbevf_up(adapter); 392 393 goto clear_reset; 394 395 err_rx_ring_setup: 396 for(i = 0; i < adapter->num_tx_queues; i++) 397 ixgbevf_free_tx_resources(adapter, &tx_ring[i]); 398 399 err_tx_ring_setup: 400 kfree(rx_ring); 401 402 err_rx_setup: 403 kfree(tx_ring); 404 405 clear_reset: 406 clear_bit(__IXGBEVF_RESETTING, &adapter->state); 407 return err; 408 } 409 410 static int ixgbevf_get_sset_count(struct net_device *dev, int stringset) 411 { 412 switch (stringset) { 413 case ETH_SS_TEST: 414 return IXGBE_TEST_LEN; 415 case ETH_SS_STATS: 416 return IXGBE_GLOBAL_STATS_LEN; 417 default: 418 return -EINVAL; 419 } 420 } 421 422 static void ixgbevf_get_ethtool_stats(struct net_device *netdev, 423 struct ethtool_stats *stats, u64 *data) 424 { 425 struct ixgbevf_adapter *adapter = netdev_priv(netdev); 426 int i; 427 428 ixgbevf_update_stats(adapter); 429 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) { 430 char *p = (char *)adapter + 431 ixgbe_gstrings_stats[i].stat_offset; 432 char *b = (char *)adapter + 433 ixgbe_gstrings_stats[i].base_stat_offset; 434 char *r = (char *)adapter + 435 ixgbe_gstrings_stats[i].saved_reset_offset; 436 data[i] = ((ixgbe_gstrings_stats[i].sizeof_stat == 437 sizeof(u64)) ? *(u64 *)p : *(u32 *)p) - 438 ((ixgbe_gstrings_stats[i].sizeof_stat == 439 sizeof(u64)) ? *(u64 *)b : *(u32 *)b) + 440 ((ixgbe_gstrings_stats[i].sizeof_stat == 441 sizeof(u64)) ? *(u64 *)r : *(u32 *)r); 442 } 443 } 444 445 static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset, 446 u8 *data) 447 { 448 char *p = (char *)data; 449 int i; 450 451 switch (stringset) { 452 case ETH_SS_TEST: 453 memcpy(data, *ixgbe_gstrings_test, 454 IXGBE_TEST_LEN * ETH_GSTRING_LEN); 455 break; 456 case ETH_SS_STATS: 457 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) { 458 memcpy(p, ixgbe_gstrings_stats[i].stat_string, 459 ETH_GSTRING_LEN); 460 p += ETH_GSTRING_LEN; 461 } 462 break; 463 } 464 } 465 466 static int ixgbevf_link_test(struct ixgbevf_adapter *adapter, u64 *data) 467 { 468 struct ixgbe_hw *hw = &adapter->hw; 469 bool link_up; 470 u32 link_speed = 0; 471 *data = 0; 472 473 hw->mac.ops.check_link(hw, &link_speed, &link_up, true); 474 if (!link_up) 475 *data = 1; 476 477 return *data; 478 } 479 480 /* ethtool register test data */ 481 struct ixgbevf_reg_test { 482 u16 reg; 483 u8 array_len; 484 u8 test_type; 485 u32 mask; 486 u32 write; 487 }; 488 489 /* In the hardware, registers are laid out either singly, in arrays 490 * spaced 0x40 bytes apart, or in contiguous tables. We assume 491 * most tests take place on arrays or single registers (handled 492 * as a single-element array) and special-case the tables. 493 * Table tests are always pattern tests. 494 * 495 * We also make provision for some required setup steps by specifying 496 * registers to be written without any read-back testing. 497 */ 498 499 #define PATTERN_TEST 1 500 #define SET_READ_TEST 2 501 #define WRITE_NO_TEST 3 502 #define TABLE32_TEST 4 503 #define TABLE64_TEST_LO 5 504 #define TABLE64_TEST_HI 6 505 506 /* default VF register test */ 507 static const struct ixgbevf_reg_test reg_test_vf[] = { 508 { IXGBE_VFRDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 }, 509 { IXGBE_VFRDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, 510 { IXGBE_VFRDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFFFF }, 511 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE }, 512 { IXGBE_VFRDT(0), 2, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF }, 513 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, 0 }, 514 { IXGBE_VFTDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF }, 515 { IXGBE_VFTDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, 516 { IXGBE_VFTDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFF80 }, 517 { 0, 0, 0, 0 } 518 }; 519 520 static const u32 register_test_patterns[] = { 521 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF 522 }; 523 524 #define REG_PATTERN_TEST(R, M, W) \ 525 { \ 526 u32 pat, val, before; \ 527 for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) { \ 528 before = readl(adapter->hw.hw_addr + R); \ 529 writel((register_test_patterns[pat] & W), \ 530 (adapter->hw.hw_addr + R)); \ 531 val = readl(adapter->hw.hw_addr + R); \ 532 if (val != (register_test_patterns[pat] & W & M)) { \ 533 hw_dbg(&adapter->hw, \ 534 "pattern test reg %04X failed: got " \ 535 "0x%08X expected 0x%08X\n", \ 536 R, val, (register_test_patterns[pat] & W & M)); \ 537 *data = R; \ 538 writel(before, adapter->hw.hw_addr + R); \ 539 return 1; \ 540 } \ 541 writel(before, adapter->hw.hw_addr + R); \ 542 } \ 543 } 544 545 #define REG_SET_AND_CHECK(R, M, W) \ 546 { \ 547 u32 val, before; \ 548 before = readl(adapter->hw.hw_addr + R); \ 549 writel((W & M), (adapter->hw.hw_addr + R)); \ 550 val = readl(adapter->hw.hw_addr + R); \ 551 if ((W & M) != (val & M)) { \ 552 printk(KERN_ERR "set/check reg %04X test failed: got 0x%08X " \ 553 "expected 0x%08X\n", R, (val & M), (W & M)); \ 554 *data = R; \ 555 writel(before, (adapter->hw.hw_addr + R)); \ 556 return 1; \ 557 } \ 558 writel(before, (adapter->hw.hw_addr + R)); \ 559 } 560 561 static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data) 562 { 563 const struct ixgbevf_reg_test *test; 564 u32 i; 565 566 test = reg_test_vf; 567 568 /* 569 * Perform the register test, looping through the test table 570 * until we either fail or reach the null entry. 571 */ 572 while (test->reg) { 573 for (i = 0; i < test->array_len; i++) { 574 switch (test->test_type) { 575 case PATTERN_TEST: 576 REG_PATTERN_TEST(test->reg + (i * 0x40), 577 test->mask, 578 test->write); 579 break; 580 case SET_READ_TEST: 581 REG_SET_AND_CHECK(test->reg + (i * 0x40), 582 test->mask, 583 test->write); 584 break; 585 case WRITE_NO_TEST: 586 writel(test->write, 587 (adapter->hw.hw_addr + test->reg) 588 + (i * 0x40)); 589 break; 590 case TABLE32_TEST: 591 REG_PATTERN_TEST(test->reg + (i * 4), 592 test->mask, 593 test->write); 594 break; 595 case TABLE64_TEST_LO: 596 REG_PATTERN_TEST(test->reg + (i * 8), 597 test->mask, 598 test->write); 599 break; 600 case TABLE64_TEST_HI: 601 REG_PATTERN_TEST((test->reg + 4) + (i * 8), 602 test->mask, 603 test->write); 604 break; 605 } 606 } 607 test++; 608 } 609 610 *data = 0; 611 return *data; 612 } 613 614 static void ixgbevf_diag_test(struct net_device *netdev, 615 struct ethtool_test *eth_test, u64 *data) 616 { 617 struct ixgbevf_adapter *adapter = netdev_priv(netdev); 618 bool if_running = netif_running(netdev); 619 620 set_bit(__IXGBEVF_TESTING, &adapter->state); 621 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 622 /* Offline tests */ 623 624 hw_dbg(&adapter->hw, "offline testing starting\n"); 625 626 /* Link test performed before hardware reset so autoneg doesn't 627 * interfere with test result */ 628 if (ixgbevf_link_test(adapter, &data[1])) 629 eth_test->flags |= ETH_TEST_FL_FAILED; 630 631 if (if_running) 632 /* indicate we're in test mode */ 633 dev_close(netdev); 634 else 635 ixgbevf_reset(adapter); 636 637 hw_dbg(&adapter->hw, "register testing starting\n"); 638 if (ixgbevf_reg_test(adapter, &data[0])) 639 eth_test->flags |= ETH_TEST_FL_FAILED; 640 641 ixgbevf_reset(adapter); 642 643 clear_bit(__IXGBEVF_TESTING, &adapter->state); 644 if (if_running) 645 dev_open(netdev); 646 } else { 647 hw_dbg(&adapter->hw, "online testing starting\n"); 648 /* Online tests */ 649 if (ixgbevf_link_test(adapter, &data[1])) 650 eth_test->flags |= ETH_TEST_FL_FAILED; 651 652 /* Online tests aren't run; pass by default */ 653 data[0] = 0; 654 655 clear_bit(__IXGBEVF_TESTING, &adapter->state); 656 } 657 msleep_interruptible(4 * 1000); 658 } 659 660 static int ixgbevf_nway_reset(struct net_device *netdev) 661 { 662 struct ixgbevf_adapter *adapter = netdev_priv(netdev); 663 664 if (netif_running(netdev)) { 665 if (!adapter->dev_closed) 666 ixgbevf_reinit_locked(adapter); 667 } 668 669 return 0; 670 } 671 672 static struct ethtool_ops ixgbevf_ethtool_ops = { 673 .get_settings = ixgbevf_get_settings, 674 .get_drvinfo = ixgbevf_get_drvinfo, 675 .get_regs_len = ixgbevf_get_regs_len, 676 .get_regs = ixgbevf_get_regs, 677 .nway_reset = ixgbevf_nway_reset, 678 .get_link = ethtool_op_get_link, 679 .get_ringparam = ixgbevf_get_ringparam, 680 .set_ringparam = ixgbevf_set_ringparam, 681 .get_msglevel = ixgbevf_get_msglevel, 682 .set_msglevel = ixgbevf_set_msglevel, 683 .self_test = ixgbevf_diag_test, 684 .get_sset_count = ixgbevf_get_sset_count, 685 .get_strings = ixgbevf_get_strings, 686 .get_ethtool_stats = ixgbevf_get_ethtool_stats, 687 }; 688 689 void ixgbevf_set_ethtool_ops(struct net_device *netdev) 690 { 691 SET_ETHTOOL_OPS(netdev, &ixgbevf_ethtool_ops); 692 } 693