1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
4 /* ethtool support for ixgbevf */
6 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
8 #include <linux/types.h>
9 #include <linux/module.h>
10 #include <linux/slab.h>
11 #include <linux/pci.h>
12 #include <linux/netdevice.h>
13 #include <linux/ethtool.h>
14 #include <linux/vmalloc.h>
15 #include <linux/if_vlan.h>
16 #include <linux/uaccess.h>
20 #define IXGBE_ALL_RAR_ENTRIES 16
22 enum {NETDEV_STATS, IXGBEVF_STATS};
25 char stat_string[ETH_GSTRING_LEN];
31 #define IXGBEVF_STAT(_name, _stat) { \
32 .stat_string = _name, \
33 .type = IXGBEVF_STATS, \
34 .sizeof_stat = FIELD_SIZEOF(struct ixgbevf_adapter, _stat), \
35 .stat_offset = offsetof(struct ixgbevf_adapter, _stat) \
38 #define IXGBEVF_NETDEV_STAT(_net_stat) { \
39 .stat_string = #_net_stat, \
40 .type = NETDEV_STATS, \
41 .sizeof_stat = FIELD_SIZEOF(struct net_device_stats, _net_stat), \
42 .stat_offset = offsetof(struct net_device_stats, _net_stat) \
45 static struct ixgbe_stats ixgbevf_gstrings_stats[] = {
46 IXGBEVF_NETDEV_STAT(rx_packets),
47 IXGBEVF_NETDEV_STAT(tx_packets),
48 IXGBEVF_NETDEV_STAT(rx_bytes),
49 IXGBEVF_NETDEV_STAT(tx_bytes),
50 IXGBEVF_STAT("tx_busy", tx_busy),
51 IXGBEVF_STAT("tx_restart_queue", restart_queue),
52 IXGBEVF_STAT("tx_timeout_count", tx_timeout_count),
53 IXGBEVF_NETDEV_STAT(multicast),
54 IXGBEVF_STAT("rx_csum_offload_errors", hw_csum_rx_error),
55 IXGBEVF_STAT("alloc_rx_page", alloc_rx_page),
56 IXGBEVF_STAT("alloc_rx_page_failed", alloc_rx_page_failed),
57 IXGBEVF_STAT("alloc_rx_buff_failed", alloc_rx_buff_failed),
60 #define IXGBEVF_QUEUE_STATS_LEN ( \
61 (((struct ixgbevf_adapter *)netdev_priv(netdev))->num_tx_queues + \
62 ((struct ixgbevf_adapter *)netdev_priv(netdev))->num_xdp_queues + \
63 ((struct ixgbevf_adapter *)netdev_priv(netdev))->num_rx_queues) * \
64 (sizeof(struct ixgbevf_stats) / sizeof(u64)))
65 #define IXGBEVF_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbevf_gstrings_stats)
67 #define IXGBEVF_STATS_LEN (IXGBEVF_GLOBAL_STATS_LEN + IXGBEVF_QUEUE_STATS_LEN)
68 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
69 "Register test (offline)",
70 "Link test (on/offline)"
73 #define IXGBEVF_TEST_LEN (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN)
75 static const char ixgbevf_priv_flags_strings[][ETH_GSTRING_LEN] = {
76 #define IXGBEVF_PRIV_FLAGS_LEGACY_RX BIT(0)
80 #define IXGBEVF_PRIV_FLAGS_STR_LEN ARRAY_SIZE(ixgbevf_priv_flags_strings)
82 static int ixgbevf_get_link_ksettings(struct net_device *netdev,
83 struct ethtool_link_ksettings *cmd)
85 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
86 struct ixgbe_hw *hw = &adapter->hw;
90 ethtool_link_ksettings_zero_link_mode(cmd, supported);
91 ethtool_link_ksettings_add_link_mode(cmd, supported, 10000baseT_Full);
92 cmd->base.autoneg = AUTONEG_DISABLE;
95 hw->mac.get_link_status = 1;
96 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
99 __u32 speed = SPEED_10000;
101 switch (link_speed) {
102 case IXGBE_LINK_SPEED_10GB_FULL:
105 case IXGBE_LINK_SPEED_1GB_FULL:
108 case IXGBE_LINK_SPEED_100_FULL:
113 cmd->base.speed = speed;
114 cmd->base.duplex = DUPLEX_FULL;
116 cmd->base.speed = SPEED_UNKNOWN;
117 cmd->base.duplex = DUPLEX_UNKNOWN;
123 static u32 ixgbevf_get_msglevel(struct net_device *netdev)
125 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
127 return adapter->msg_enable;
130 static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data)
132 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
134 adapter->msg_enable = data;
137 #define IXGBE_GET_STAT(_A_, _R_) (_A_->stats._R_)
139 static int ixgbevf_get_regs_len(struct net_device *netdev)
141 #define IXGBE_REGS_LEN 45
142 return IXGBE_REGS_LEN * sizeof(u32);
145 static void ixgbevf_get_regs(struct net_device *netdev,
146 struct ethtool_regs *regs,
149 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
150 struct ixgbe_hw *hw = &adapter->hw;
152 u32 regs_len = ixgbevf_get_regs_len(netdev);
155 memset(p, 0, regs_len);
157 /* generate a number suitable for ethtool's register version */
158 regs->version = (1u << 24) | (hw->revision_id << 16) | hw->device_id;
160 /* General Registers */
161 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_VFCTRL);
162 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_VFSTATUS);
163 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
164 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_VFRXMEMWRAP);
165 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_VFFRTIMER);
168 /* don't read EICR because it can clear interrupt causes, instead
169 * read EICS which is a shadow but doesn't clear EICR
171 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
172 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
173 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS);
174 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_VTEIMC);
175 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_VTEIAC);
176 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_VTEIAM);
177 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_VTEITR(0));
178 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_VTIVAR(0));
179 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC);
182 for (i = 0; i < 2; i++)
183 regs_buff[14 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAL(i));
184 for (i = 0; i < 2; i++)
185 regs_buff[16 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAH(i));
186 for (i = 0; i < 2; i++)
187 regs_buff[18 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDLEN(i));
188 for (i = 0; i < 2; i++)
189 regs_buff[20 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDH(i));
190 for (i = 0; i < 2; i++)
191 regs_buff[22 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDT(i));
192 for (i = 0; i < 2; i++)
193 regs_buff[24 + i] = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
194 for (i = 0; i < 2; i++)
195 regs_buff[26 + i] = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i));
198 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_VFPSRTYPE);
201 for (i = 0; i < 2; i++)
202 regs_buff[29 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAL(i));
203 for (i = 0; i < 2; i++)
204 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAH(i));
205 for (i = 0; i < 2; i++)
206 regs_buff[33 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDLEN(i));
207 for (i = 0; i < 2; i++)
208 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDH(i));
209 for (i = 0; i < 2; i++)
210 regs_buff[37 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDT(i));
211 for (i = 0; i < 2; i++)
212 regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
213 for (i = 0; i < 2; i++)
214 regs_buff[41 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAL(i));
215 for (i = 0; i < 2; i++)
216 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAH(i));
219 static void ixgbevf_get_drvinfo(struct net_device *netdev,
220 struct ethtool_drvinfo *drvinfo)
222 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
224 strlcpy(drvinfo->driver, ixgbevf_driver_name, sizeof(drvinfo->driver));
225 strlcpy(drvinfo->version, ixgbevf_driver_version,
226 sizeof(drvinfo->version));
227 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
228 sizeof(drvinfo->bus_info));
230 drvinfo->n_priv_flags = IXGBEVF_PRIV_FLAGS_STR_LEN;
233 static void ixgbevf_get_ringparam(struct net_device *netdev,
234 struct ethtool_ringparam *ring)
236 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
238 ring->rx_max_pending = IXGBEVF_MAX_RXD;
239 ring->tx_max_pending = IXGBEVF_MAX_TXD;
240 ring->rx_pending = adapter->rx_ring_count;
241 ring->tx_pending = adapter->tx_ring_count;
244 static int ixgbevf_set_ringparam(struct net_device *netdev,
245 struct ethtool_ringparam *ring)
247 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
248 struct ixgbevf_ring *tx_ring = NULL, *rx_ring = NULL;
249 u32 new_rx_count, new_tx_count;
252 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
255 new_tx_count = max_t(u32, ring->tx_pending, IXGBEVF_MIN_TXD);
256 new_tx_count = min_t(u32, new_tx_count, IXGBEVF_MAX_TXD);
257 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
259 new_rx_count = max_t(u32, ring->rx_pending, IXGBEVF_MIN_RXD);
260 new_rx_count = min_t(u32, new_rx_count, IXGBEVF_MAX_RXD);
261 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
263 /* if nothing to do return success */
264 if ((new_tx_count == adapter->tx_ring_count) &&
265 (new_rx_count == adapter->rx_ring_count))
268 while (test_and_set_bit(__IXGBEVF_RESETTING, &adapter->state))
269 usleep_range(1000, 2000);
271 if (!netif_running(adapter->netdev)) {
272 for (i = 0; i < adapter->num_tx_queues; i++)
273 adapter->tx_ring[i]->count = new_tx_count;
274 for (i = 0; i < adapter->num_xdp_queues; i++)
275 adapter->xdp_ring[i]->count = new_tx_count;
276 for (i = 0; i < adapter->num_rx_queues; i++)
277 adapter->rx_ring[i]->count = new_rx_count;
278 adapter->tx_ring_count = new_tx_count;
279 adapter->xdp_ring_count = new_tx_count;
280 adapter->rx_ring_count = new_rx_count;
284 if (new_tx_count != adapter->tx_ring_count) {
285 tx_ring = vmalloc((adapter->num_tx_queues +
286 adapter->num_xdp_queues) * sizeof(*tx_ring));
292 for (i = 0; i < adapter->num_tx_queues; i++) {
293 /* clone ring and setup updated count */
294 tx_ring[i] = *adapter->tx_ring[i];
295 tx_ring[i].count = new_tx_count;
296 err = ixgbevf_setup_tx_resources(&tx_ring[i]);
300 ixgbevf_free_tx_resources(&tx_ring[i]);
310 for (j = 0; j < adapter->num_xdp_queues; i++, j++) {
311 /* clone ring and setup updated count */
312 tx_ring[i] = *adapter->xdp_ring[j];
313 tx_ring[i].count = new_tx_count;
314 err = ixgbevf_setup_tx_resources(&tx_ring[i]);
318 ixgbevf_free_tx_resources(&tx_ring[i]);
329 if (new_rx_count != adapter->rx_ring_count) {
330 rx_ring = vmalloc(adapter->num_rx_queues * sizeof(*rx_ring));
336 for (i = 0; i < adapter->num_rx_queues; i++) {
337 /* clone ring and setup updated count */
338 rx_ring[i] = *adapter->rx_ring[i];
340 /* Clear copied XDP RX-queue info */
341 memset(&rx_ring[i].xdp_rxq, 0,
342 sizeof(rx_ring[i].xdp_rxq));
344 rx_ring[i].count = new_rx_count;
345 err = ixgbevf_setup_rx_resources(adapter, &rx_ring[i]);
349 ixgbevf_free_rx_resources(&rx_ring[i]);
360 /* bring interface down to prepare for update */
361 ixgbevf_down(adapter);
365 for (i = 0; i < adapter->num_tx_queues; i++) {
366 ixgbevf_free_tx_resources(adapter->tx_ring[i]);
367 *adapter->tx_ring[i] = tx_ring[i];
369 adapter->tx_ring_count = new_tx_count;
371 for (j = 0; j < adapter->num_xdp_queues; i++, j++) {
372 ixgbevf_free_tx_resources(adapter->xdp_ring[j]);
373 *adapter->xdp_ring[j] = tx_ring[i];
375 adapter->xdp_ring_count = new_tx_count;
383 for (i = 0; i < adapter->num_rx_queues; i++) {
384 ixgbevf_free_rx_resources(adapter->rx_ring[i]);
385 *adapter->rx_ring[i] = rx_ring[i];
387 adapter->rx_ring_count = new_rx_count;
393 /* restore interface using new values */
397 /* free Tx resources if Rx error is encountered */
400 i < adapter->num_tx_queues + adapter->num_xdp_queues; i++)
401 ixgbevf_free_tx_resources(&tx_ring[i]);
405 clear_bit(__IXGBEVF_RESETTING, &adapter->state);
409 static int ixgbevf_get_sset_count(struct net_device *netdev, int stringset)
413 return IXGBEVF_TEST_LEN;
415 return IXGBEVF_STATS_LEN;
416 case ETH_SS_PRIV_FLAGS:
417 return IXGBEVF_PRIV_FLAGS_STR_LEN;
423 static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
424 struct ethtool_stats *stats, u64 *data)
426 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
427 struct rtnl_link_stats64 temp;
428 const struct rtnl_link_stats64 *net_stats;
430 struct ixgbevf_ring *ring;
434 ixgbevf_update_stats(adapter);
435 net_stats = dev_get_stats(netdev, &temp);
436 for (i = 0; i < IXGBEVF_GLOBAL_STATS_LEN; i++) {
437 switch (ixgbevf_gstrings_stats[i].type) {
439 p = (char *)net_stats +
440 ixgbevf_gstrings_stats[i].stat_offset;
443 p = (char *)adapter +
444 ixgbevf_gstrings_stats[i].stat_offset;
451 data[i] = (ixgbevf_gstrings_stats[i].sizeof_stat ==
452 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
455 /* populate Tx queue data */
456 for (j = 0; j < adapter->num_tx_queues; j++) {
457 ring = adapter->tx_ring[j];
465 start = u64_stats_fetch_begin_irq(&ring->syncp);
466 data[i] = ring->stats.packets;
467 data[i + 1] = ring->stats.bytes;
468 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
472 /* populate XDP queue data */
473 for (j = 0; j < adapter->num_xdp_queues; j++) {
474 ring = adapter->xdp_ring[j];
482 start = u64_stats_fetch_begin_irq(&ring->syncp);
483 data[i] = ring->stats.packets;
484 data[i + 1] = ring->stats.bytes;
485 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
489 /* populate Rx queue data */
490 for (j = 0; j < adapter->num_rx_queues; j++) {
491 ring = adapter->rx_ring[j];
499 start = u64_stats_fetch_begin_irq(&ring->syncp);
500 data[i] = ring->stats.packets;
501 data[i + 1] = ring->stats.bytes;
502 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
507 static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset,
510 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
511 char *p = (char *)data;
516 memcpy(data, *ixgbe_gstrings_test,
517 IXGBEVF_TEST_LEN * ETH_GSTRING_LEN);
520 for (i = 0; i < IXGBEVF_GLOBAL_STATS_LEN; i++) {
521 memcpy(p, ixgbevf_gstrings_stats[i].stat_string,
523 p += ETH_GSTRING_LEN;
526 for (i = 0; i < adapter->num_tx_queues; i++) {
527 sprintf(p, "tx_queue_%u_packets", i);
528 p += ETH_GSTRING_LEN;
529 sprintf(p, "tx_queue_%u_bytes", i);
530 p += ETH_GSTRING_LEN;
532 for (i = 0; i < adapter->num_xdp_queues; i++) {
533 sprintf(p, "xdp_queue_%u_packets", i);
534 p += ETH_GSTRING_LEN;
535 sprintf(p, "xdp_queue_%u_bytes", i);
536 p += ETH_GSTRING_LEN;
538 for (i = 0; i < adapter->num_rx_queues; i++) {
539 sprintf(p, "rx_queue_%u_packets", i);
540 p += ETH_GSTRING_LEN;
541 sprintf(p, "rx_queue_%u_bytes", i);
542 p += ETH_GSTRING_LEN;
545 case ETH_SS_PRIV_FLAGS:
546 memcpy(data, ixgbevf_priv_flags_strings,
547 IXGBEVF_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
552 static int ixgbevf_link_test(struct ixgbevf_adapter *adapter, u64 *data)
554 struct ixgbe_hw *hw = &adapter->hw;
559 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
566 /* ethtool register test data */
567 struct ixgbevf_reg_test {
575 /* In the hardware, registers are laid out either singly, in arrays
576 * spaced 0x40 bytes apart, or in contiguous tables. We assume
577 * most tests take place on arrays or single registers (handled
578 * as a single-element array) and special-case the tables.
579 * Table tests are always pattern tests.
581 * We also make provision for some required setup steps by specifying
582 * registers to be written without any read-back testing.
585 #define PATTERN_TEST 1
586 #define SET_READ_TEST 2
587 #define WRITE_NO_TEST 3
588 #define TABLE32_TEST 4
589 #define TABLE64_TEST_LO 5
590 #define TABLE64_TEST_HI 6
592 /* default VF register test */
593 static const struct ixgbevf_reg_test reg_test_vf[] = {
594 { IXGBE_VFRDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
595 { IXGBE_VFRDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
596 { IXGBE_VFRDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
597 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
598 { IXGBE_VFRDT(0), 2, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
599 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, 0 },
600 { IXGBE_VFTDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
601 { IXGBE_VFTDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
602 { IXGBE_VFTDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
606 static const u32 register_test_patterns[] = {
607 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF
610 static bool reg_pattern_test(struct ixgbevf_adapter *adapter, u64 *data,
611 int reg, u32 mask, u32 write)
613 u32 pat, val, before;
615 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
619 for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) {
620 before = ixgbevf_read_reg(&adapter->hw, reg);
621 ixgbe_write_reg(&adapter->hw, reg,
622 register_test_patterns[pat] & write);
623 val = ixgbevf_read_reg(&adapter->hw, reg);
624 if (val != (register_test_patterns[pat] & write & mask)) {
626 "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
628 register_test_patterns[pat] & write & mask);
630 ixgbe_write_reg(&adapter->hw, reg, before);
633 ixgbe_write_reg(&adapter->hw, reg, before);
638 static bool reg_set_and_check(struct ixgbevf_adapter *adapter, u64 *data,
639 int reg, u32 mask, u32 write)
643 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
647 before = ixgbevf_read_reg(&adapter->hw, reg);
648 ixgbe_write_reg(&adapter->hw, reg, write & mask);
649 val = ixgbevf_read_reg(&adapter->hw, reg);
650 if ((write & mask) != (val & mask)) {
651 pr_err("set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
652 reg, (val & mask), write & mask);
654 ixgbe_write_reg(&adapter->hw, reg, before);
657 ixgbe_write_reg(&adapter->hw, reg, before);
661 static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data)
663 const struct ixgbevf_reg_test *test;
666 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
667 dev_err(&adapter->pdev->dev,
668 "Adapter removed - register test blocked\n");
674 /* Perform the register test, looping through the test table
675 * until we either fail or reach the null entry.
678 for (i = 0; i < test->array_len; i++) {
681 switch (test->test_type) {
683 b = reg_pattern_test(adapter, data,
684 test->reg + (i * 0x40),
689 b = reg_set_and_check(adapter, data,
690 test->reg + (i * 0x40),
695 ixgbe_write_reg(&adapter->hw,
696 test->reg + (i * 0x40),
700 b = reg_pattern_test(adapter, data,
705 case TABLE64_TEST_LO:
706 b = reg_pattern_test(adapter, data,
711 case TABLE64_TEST_HI:
712 b = reg_pattern_test(adapter, data,
713 test->reg + 4 + (i * 8),
728 static void ixgbevf_diag_test(struct net_device *netdev,
729 struct ethtool_test *eth_test, u64 *data)
731 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
732 bool if_running = netif_running(netdev);
734 if (IXGBE_REMOVED(adapter->hw.hw_addr)) {
735 dev_err(&adapter->pdev->dev,
736 "Adapter removed - test blocked\n");
739 eth_test->flags |= ETH_TEST_FL_FAILED;
742 set_bit(__IXGBEVF_TESTING, &adapter->state);
743 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
746 hw_dbg(&adapter->hw, "offline testing starting\n");
748 /* Link test performed before hardware reset so autoneg doesn't
749 * interfere with test result
751 if (ixgbevf_link_test(adapter, &data[1]))
752 eth_test->flags |= ETH_TEST_FL_FAILED;
755 /* indicate we're in test mode */
756 ixgbevf_close(netdev);
758 ixgbevf_reset(adapter);
760 hw_dbg(&adapter->hw, "register testing starting\n");
761 if (ixgbevf_reg_test(adapter, &data[0]))
762 eth_test->flags |= ETH_TEST_FL_FAILED;
764 ixgbevf_reset(adapter);
766 clear_bit(__IXGBEVF_TESTING, &adapter->state);
768 ixgbevf_open(netdev);
770 hw_dbg(&adapter->hw, "online testing starting\n");
772 if (ixgbevf_link_test(adapter, &data[1]))
773 eth_test->flags |= ETH_TEST_FL_FAILED;
775 /* Online tests aren't run; pass by default */
778 clear_bit(__IXGBEVF_TESTING, &adapter->state);
780 msleep_interruptible(4 * 1000);
783 static int ixgbevf_nway_reset(struct net_device *netdev)
785 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
787 if (netif_running(netdev))
788 ixgbevf_reinit_locked(adapter);
793 static int ixgbevf_get_coalesce(struct net_device *netdev,
794 struct ethtool_coalesce *ec)
796 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
798 /* only valid if in constant ITR mode */
799 if (adapter->rx_itr_setting <= 1)
800 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
802 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
804 /* if in mixed Tx/Rx queues per vector mode, report only Rx settings */
805 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
808 /* only valid if in constant ITR mode */
809 if (adapter->tx_itr_setting <= 1)
810 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
812 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
817 static int ixgbevf_set_coalesce(struct net_device *netdev,
818 struct ethtool_coalesce *ec)
820 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
821 struct ixgbevf_q_vector *q_vector;
823 u16 tx_itr_param, rx_itr_param;
825 /* don't accept Tx specific changes if we've got mixed RxTx vectors */
826 if (adapter->q_vector[0]->tx.count &&
827 adapter->q_vector[0]->rx.count && ec->tx_coalesce_usecs)
830 if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
831 (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
834 if (ec->rx_coalesce_usecs > 1)
835 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
837 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
839 if (adapter->rx_itr_setting == 1)
840 rx_itr_param = IXGBE_20K_ITR;
842 rx_itr_param = adapter->rx_itr_setting;
844 if (ec->tx_coalesce_usecs > 1)
845 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
847 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
849 if (adapter->tx_itr_setting == 1)
850 tx_itr_param = IXGBE_12K_ITR;
852 tx_itr_param = adapter->tx_itr_setting;
854 num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
856 for (i = 0; i < num_vectors; i++) {
857 q_vector = adapter->q_vector[i];
858 if (q_vector->tx.count && !q_vector->rx.count)
860 q_vector->itr = tx_itr_param;
862 /* Rx only or mixed */
863 q_vector->itr = rx_itr_param;
864 ixgbevf_write_eitr(q_vector);
870 static int ixgbevf_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
871 u32 *rules __always_unused)
873 struct ixgbevf_adapter *adapter = netdev_priv(dev);
876 case ETHTOOL_GRXRINGS:
877 info->data = adapter->num_rx_queues;
880 hw_dbg(&adapter->hw, "Command parameters not supported\n");
885 static u32 ixgbevf_get_rxfh_indir_size(struct net_device *netdev)
887 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
889 if (adapter->hw.mac.type >= ixgbe_mac_X550_vf)
890 return IXGBEVF_X550_VFRETA_SIZE;
892 return IXGBEVF_82599_RETA_SIZE;
895 static u32 ixgbevf_get_rxfh_key_size(struct net_device *netdev)
897 return IXGBEVF_RSS_HASH_KEY_SIZE;
900 static int ixgbevf_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
903 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
907 *hfunc = ETH_RSS_HASH_TOP;
909 if (adapter->hw.mac.type >= ixgbe_mac_X550_vf) {
911 memcpy(key, adapter->rss_key,
912 ixgbevf_get_rxfh_key_size(netdev));
917 for (i = 0; i < IXGBEVF_X550_VFRETA_SIZE; i++)
918 indir[i] = adapter->rss_indir_tbl[i];
921 /* If neither indirection table nor hash key was requested
922 * - just return a success avoiding taking any locks.
927 spin_lock_bh(&adapter->mbx_lock);
929 err = ixgbevf_get_reta_locked(&adapter->hw, indir,
930 adapter->num_rx_queues);
933 err = ixgbevf_get_rss_key_locked(&adapter->hw, key);
935 spin_unlock_bh(&adapter->mbx_lock);
941 static u32 ixgbevf_get_priv_flags(struct net_device *netdev)
943 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
946 if (adapter->flags & IXGBEVF_FLAGS_LEGACY_RX)
947 priv_flags |= IXGBEVF_PRIV_FLAGS_LEGACY_RX;
952 static int ixgbevf_set_priv_flags(struct net_device *netdev, u32 priv_flags)
954 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
955 unsigned int flags = adapter->flags;
957 flags &= ~IXGBEVF_FLAGS_LEGACY_RX;
958 if (priv_flags & IXGBEVF_PRIV_FLAGS_LEGACY_RX)
959 flags |= IXGBEVF_FLAGS_LEGACY_RX;
961 if (flags != adapter->flags) {
962 adapter->flags = flags;
964 /* reset interface to repopulate queues */
965 if (netif_running(netdev))
966 ixgbevf_reinit_locked(adapter);
972 static const struct ethtool_ops ixgbevf_ethtool_ops = {
973 .get_drvinfo = ixgbevf_get_drvinfo,
974 .get_regs_len = ixgbevf_get_regs_len,
975 .get_regs = ixgbevf_get_regs,
976 .nway_reset = ixgbevf_nway_reset,
977 .get_link = ethtool_op_get_link,
978 .get_ringparam = ixgbevf_get_ringparam,
979 .set_ringparam = ixgbevf_set_ringparam,
980 .get_msglevel = ixgbevf_get_msglevel,
981 .set_msglevel = ixgbevf_set_msglevel,
982 .self_test = ixgbevf_diag_test,
983 .get_sset_count = ixgbevf_get_sset_count,
984 .get_strings = ixgbevf_get_strings,
985 .get_ethtool_stats = ixgbevf_get_ethtool_stats,
986 .get_coalesce = ixgbevf_get_coalesce,
987 .set_coalesce = ixgbevf_set_coalesce,
988 .get_rxnfc = ixgbevf_get_rxnfc,
989 .get_rxfh_indir_size = ixgbevf_get_rxfh_indir_size,
990 .get_rxfh_key_size = ixgbevf_get_rxfh_key_size,
991 .get_rxfh = ixgbevf_get_rxfh,
992 .get_link_ksettings = ixgbevf_get_link_ksettings,
993 .get_priv_flags = ixgbevf_get_priv_flags,
994 .set_priv_flags = ixgbevf_set_priv_flags,
997 void ixgbevf_set_ethtool_ops(struct net_device *netdev)
999 netdev->ethtool_ops = &ixgbevf_ethtool_ops;