1 /*******************************************************************************
3 Intel 82599 Virtual Function driver
4 Copyright(c) 1999 - 2009 Intel Corporation.
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.
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
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.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26 *******************************************************************************/
28 /* ethtool support for ixgbevf */
30 #include <linux/types.h>
31 #include <linux/module.h>
32 #include <linux/pci.h>
33 #include <linux/netdevice.h>
34 #include <linux/ethtool.h>
35 #include <linux/vmalloc.h>
36 #include <linux/if_vlan.h>
37 #include <linux/uaccess.h>
41 #define IXGBE_ALL_RAR_ENTRIES 16
45 char stat_string[ETH_GSTRING_LEN];
51 #define IXGBEVF_STAT(m, b) sizeof(((struct ixgbevf_adapter *)0)->m), \
52 offsetof(struct ixgbevf_adapter, m), \
53 offsetof(struct ixgbevf_adapter, b)
54 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
55 {"rx_packets", IXGBEVF_STAT(stats.vfgprc, stats.base_vfgprc)},
56 {"tx_packets", IXGBEVF_STAT(stats.vfgptc, stats.base_vfgptc)},
57 {"rx_bytes", IXGBEVF_STAT(stats.vfgorc, stats.base_vfgorc)},
58 {"tx_bytes", IXGBEVF_STAT(stats.vfgotc, stats.base_vfgotc)},
59 {"tx_busy", IXGBEVF_STAT(tx_busy, zero_base)},
60 {"multicast", IXGBEVF_STAT(stats.vfmprc, stats.base_vfmprc)},
61 {"rx_csum_offload_good", IXGBEVF_STAT(hw_csum_rx_good, zero_base)},
62 {"rx_csum_offload_errors", IXGBEVF_STAT(hw_csum_rx_error, zero_base)},
63 {"tx_csum_offload_ctxt", IXGBEVF_STAT(hw_csum_tx_good, zero_base)},
64 {"rx_header_split", IXGBEVF_STAT(rx_hdr_split, zero_base)},
67 #define IXGBE_QUEUE_STATS_LEN 0
68 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
70 #define IXGBEVF_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + IXGBE_QUEUE_STATS_LEN)
71 #endif /* ETHTOOL_GSTATS */
73 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
74 "Register test (offline)",
75 "Link test (on/offline)"
77 #define IXGBE_TEST_LEN (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN)
78 #endif /* ETHTOOL_TEST */
80 static int ixgbevf_get_settings(struct net_device *netdev,
81 struct ethtool_cmd *ecmd)
83 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
84 struct ixgbe_hw *hw = &adapter->hw;
88 ecmd->supported = SUPPORTED_10000baseT_Full;
89 ecmd->autoneg = AUTONEG_DISABLE;
90 ecmd->transceiver = XCVR_DUMMY1;
93 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
96 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
97 SPEED_10000 : SPEED_1000;
98 ecmd->duplex = DUPLEX_FULL;
107 static u32 ixgbevf_get_rx_csum(struct net_device *netdev)
109 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
110 return adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED;
113 static int ixgbevf_set_rx_csum(struct net_device *netdev, u32 data)
115 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
117 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
119 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
121 if (netif_running(netdev)) {
122 if (!adapter->dev_closed)
123 ixgbevf_reinit_locked(adapter);
125 ixgbevf_reset(adapter);
131 static int ixgbevf_set_tso(struct net_device *netdev, u32 data)
134 netdev->features |= NETIF_F_TSO;
135 netdev->features |= NETIF_F_TSO6;
137 netif_tx_stop_all_queues(netdev);
138 netdev->features &= ~NETIF_F_TSO;
139 netdev->features &= ~NETIF_F_TSO6;
140 netif_tx_start_all_queues(netdev);
145 static u32 ixgbevf_get_msglevel(struct net_device *netdev)
147 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
148 return adapter->msg_enable;
151 static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data)
153 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
154 adapter->msg_enable = data;
157 #define IXGBE_GET_STAT(_A_, _R_) (_A_->stats._R_)
159 static char *ixgbevf_reg_names[] = {
208 static int ixgbevf_get_regs_len(struct net_device *netdev)
210 return (ARRAY_SIZE(ixgbevf_reg_names)) * sizeof(u32);
213 static void ixgbevf_get_regs(struct net_device *netdev,
214 struct ethtool_regs *regs,
217 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
218 struct ixgbe_hw *hw = &adapter->hw;
220 u32 regs_len = ixgbevf_get_regs_len(netdev);
223 memset(p, 0, regs_len);
225 regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
227 /* General Registers */
228 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_VFCTRL);
229 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_VFSTATUS);
230 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_VFLINKS);
231 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_VFRXMEMWRAP);
232 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_VFRTIMER);
235 /* don't read EICR because it can clear interrupt causes, instead
236 * read EICS which is a shadow but doesn't clear EICR */
237 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
238 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS);
239 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS);
240 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_VTEIMC);
241 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_VTEIAC);
242 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_VTEIAM);
243 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_VTEITR(0));
244 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_VTIVAR(0));
245 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC);
248 for (i = 0; i < 2; i++)
249 regs_buff[14 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAL(i));
250 for (i = 0; i < 2; i++)
251 regs_buff[16 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAH(i));
252 for (i = 0; i < 2; i++)
253 regs_buff[18 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDLEN(i));
254 for (i = 0; i < 2; i++)
255 regs_buff[20 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDH(i));
256 for (i = 0; i < 2; i++)
257 regs_buff[22 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDT(i));
258 for (i = 0; i < 2; i++)
259 regs_buff[24 + i] = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i));
260 for (i = 0; i < 2; i++)
261 regs_buff[26 + i] = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i));
264 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_VFPSRTYPE);
267 for (i = 0; i < 2; i++)
268 regs_buff[29 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAL(i));
269 for (i = 0; i < 2; i++)
270 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAH(i));
271 for (i = 0; i < 2; i++)
272 regs_buff[33 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDLEN(i));
273 for (i = 0; i < 2; i++)
274 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDH(i));
275 for (i = 0; i < 2; i++)
276 regs_buff[37 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDT(i));
277 for (i = 0; i < 2; i++)
278 regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i));
279 for (i = 0; i < 2; i++)
280 regs_buff[41 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAL(i));
281 for (i = 0; i < 2; i++)
282 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAH(i));
284 for (i = 0; i < ARRAY_SIZE(ixgbevf_reg_names); i++)
285 hw_dbg(hw, "%s\t%8.8x\n", ixgbevf_reg_names[i], regs_buff[i]);
288 static void ixgbevf_get_drvinfo(struct net_device *netdev,
289 struct ethtool_drvinfo *drvinfo)
291 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
293 strlcpy(drvinfo->driver, ixgbevf_driver_name, 32);
294 strlcpy(drvinfo->version, ixgbevf_driver_version, 32);
296 strlcpy(drvinfo->fw_version, "N/A", 4);
297 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
300 static void ixgbevf_get_ringparam(struct net_device *netdev,
301 struct ethtool_ringparam *ring)
303 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
304 struct ixgbevf_ring *tx_ring = adapter->tx_ring;
305 struct ixgbevf_ring *rx_ring = adapter->rx_ring;
307 ring->rx_max_pending = IXGBEVF_MAX_RXD;
308 ring->tx_max_pending = IXGBEVF_MAX_TXD;
309 ring->rx_mini_max_pending = 0;
310 ring->rx_jumbo_max_pending = 0;
311 ring->rx_pending = rx_ring->count;
312 ring->tx_pending = tx_ring->count;
313 ring->rx_mini_pending = 0;
314 ring->rx_jumbo_pending = 0;
317 static int ixgbevf_set_ringparam(struct net_device *netdev,
318 struct ethtool_ringparam *ring)
320 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
321 struct ixgbevf_ring *tx_ring = NULL, *rx_ring = NULL;
323 u32 new_rx_count, new_tx_count;
324 bool need_tx_update = false;
325 bool need_rx_update = false;
327 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
330 new_rx_count = max(ring->rx_pending, (u32)IXGBEVF_MIN_RXD);
331 new_rx_count = min(new_rx_count, (u32)IXGBEVF_MAX_RXD);
332 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
334 new_tx_count = max(ring->tx_pending, (u32)IXGBEVF_MIN_TXD);
335 new_tx_count = min(new_tx_count, (u32)IXGBEVF_MAX_TXD);
336 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
338 if ((new_tx_count == adapter->tx_ring->count) &&
339 (new_rx_count == adapter->rx_ring->count)) {
344 while (test_and_set_bit(__IXGBEVF_RESETTING, &adapter->state))
347 if (new_tx_count != adapter->tx_ring_count) {
348 tx_ring = kcalloc(adapter->num_tx_queues,
349 sizeof(struct ixgbevf_ring), GFP_KERNEL);
354 memcpy(tx_ring, adapter->tx_ring,
355 adapter->num_tx_queues * sizeof(struct ixgbevf_ring));
356 for (i = 0; i < adapter->num_tx_queues; i++) {
357 tx_ring[i].count = new_tx_count;
358 err = ixgbevf_setup_tx_resources(adapter,
363 ixgbevf_free_tx_resources(adapter,
369 tx_ring[i].v_idx = adapter->tx_ring[i].v_idx;
371 need_tx_update = true;
374 if (new_rx_count != adapter->rx_ring_count) {
375 rx_ring = kcalloc(adapter->num_rx_queues,
376 sizeof(struct ixgbevf_ring), GFP_KERNEL);
377 if ((!rx_ring) && (need_tx_update)) {
381 memcpy(rx_ring, adapter->rx_ring,
382 adapter->num_rx_queues * sizeof(struct ixgbevf_ring));
383 for (i = 0; i < adapter->num_rx_queues; i++) {
384 rx_ring[i].count = new_rx_count;
385 err = ixgbevf_setup_rx_resources(adapter,
390 ixgbevf_free_rx_resources(adapter,
396 rx_ring[i].v_idx = adapter->rx_ring[i].v_idx;
398 need_rx_update = true;
402 /* if rings need to be updated, here's the place to do it in one shot */
403 if (need_tx_update || need_rx_update) {
404 if (netif_running(netdev))
405 ixgbevf_down(adapter);
409 if (need_tx_update) {
410 kfree(adapter->tx_ring);
411 adapter->tx_ring = tx_ring;
413 adapter->tx_ring_count = new_tx_count;
417 if (need_rx_update) {
418 kfree(adapter->rx_ring);
419 adapter->rx_ring = rx_ring;
421 adapter->rx_ring_count = new_rx_count;
426 if (netif_running(netdev))
430 clear_bit(__IXGBEVF_RESETTING, &adapter->state);
434 static int ixgbevf_get_sset_count(struct net_device *dev, int stringset)
438 return IXGBE_TEST_LEN;
440 return IXGBE_GLOBAL_STATS_LEN;
446 static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
447 struct ethtool_stats *stats, u64 *data)
449 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
452 ixgbevf_update_stats(adapter);
453 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
454 char *p = (char *)adapter +
455 ixgbe_gstrings_stats[i].stat_offset;
456 char *b = (char *)adapter +
457 ixgbe_gstrings_stats[i].base_stat_offset;
458 data[i] = ((ixgbe_gstrings_stats[i].sizeof_stat ==
459 sizeof(u64)) ? *(u64 *)p : *(u32 *)p) -
460 ((ixgbe_gstrings_stats[i].sizeof_stat ==
461 sizeof(u64)) ? *(u64 *)b : *(u32 *)b);
465 static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset,
468 char *p = (char *)data;
473 memcpy(data, *ixgbe_gstrings_test,
474 IXGBE_TEST_LEN * ETH_GSTRING_LEN);
477 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
478 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
480 p += ETH_GSTRING_LEN;
486 static int ixgbevf_link_test(struct ixgbevf_adapter *adapter, u64 *data)
488 struct ixgbe_hw *hw = &adapter->hw;
493 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
500 /* ethtool register test data */
501 struct ixgbevf_reg_test {
509 /* In the hardware, registers are laid out either singly, in arrays
510 * spaced 0x40 bytes apart, or in contiguous tables. We assume
511 * most tests take place on arrays or single registers (handled
512 * as a single-element array) and special-case the tables.
513 * Table tests are always pattern tests.
515 * We also make provision for some required setup steps by specifying
516 * registers to be written without any read-back testing.
519 #define PATTERN_TEST 1
520 #define SET_READ_TEST 2
521 #define WRITE_NO_TEST 3
522 #define TABLE32_TEST 4
523 #define TABLE64_TEST_LO 5
524 #define TABLE64_TEST_HI 6
526 /* default VF register test */
527 static struct ixgbevf_reg_test reg_test_vf[] = {
528 { IXGBE_VFRDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
529 { IXGBE_VFRDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
530 { IXGBE_VFRDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
531 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
532 { IXGBE_VFRDT(0), 2, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
533 { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, 0 },
534 { IXGBE_VFTDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
535 { IXGBE_VFTDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
536 { IXGBE_VFTDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
540 #define REG_PATTERN_TEST(R, M, W) \
542 u32 pat, val, before; \
543 const u32 _test[] = {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; \
544 for (pat = 0; pat < ARRAY_SIZE(_test); pat++) { \
545 before = readl(adapter->hw.hw_addr + R); \
546 writel((_test[pat] & W), (adapter->hw.hw_addr + R)); \
547 val = readl(adapter->hw.hw_addr + R); \
548 if (val != (_test[pat] & W & M)) { \
549 hw_dbg(&adapter->hw, \
550 "pattern test reg %04X failed: got " \
551 "0x%08X expected 0x%08X\n", \
552 R, val, (_test[pat] & W & M)); \
554 writel(before, adapter->hw.hw_addr + R); \
557 writel(before, adapter->hw.hw_addr + R); \
561 #define REG_SET_AND_CHECK(R, M, W) \
564 before = readl(adapter->hw.hw_addr + R); \
565 writel((W & M), (adapter->hw.hw_addr + R)); \
566 val = readl(adapter->hw.hw_addr + R); \
567 if ((W & M) != (val & M)) { \
568 printk(KERN_ERR "set/check reg %04X test failed: got 0x%08X " \
569 "expected 0x%08X\n", R, (val & M), (W & M)); \
571 writel(before, (adapter->hw.hw_addr + R)); \
574 writel(before, (adapter->hw.hw_addr + R)); \
577 static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data)
579 struct ixgbevf_reg_test *test;
585 * Perform the register test, looping through the test table
586 * until we either fail or reach the null entry.
589 for (i = 0; i < test->array_len; i++) {
590 switch (test->test_type) {
592 REG_PATTERN_TEST(test->reg + (i * 0x40),
597 REG_SET_AND_CHECK(test->reg + (i * 0x40),
603 (adapter->hw.hw_addr + test->reg)
607 REG_PATTERN_TEST(test->reg + (i * 4),
611 case TABLE64_TEST_LO:
612 REG_PATTERN_TEST(test->reg + (i * 8),
616 case TABLE64_TEST_HI:
617 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
630 static void ixgbevf_diag_test(struct net_device *netdev,
631 struct ethtool_test *eth_test, u64 *data)
633 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
634 bool if_running = netif_running(netdev);
636 set_bit(__IXGBEVF_TESTING, &adapter->state);
637 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
640 hw_dbg(&adapter->hw, "offline testing starting\n");
642 /* Link test performed before hardware reset so autoneg doesn't
643 * interfere with test result */
644 if (ixgbevf_link_test(adapter, &data[1]))
645 eth_test->flags |= ETH_TEST_FL_FAILED;
648 /* indicate we're in test mode */
651 ixgbevf_reset(adapter);
653 hw_dbg(&adapter->hw, "register testing starting\n");
654 if (ixgbevf_reg_test(adapter, &data[0]))
655 eth_test->flags |= ETH_TEST_FL_FAILED;
657 ixgbevf_reset(adapter);
659 clear_bit(__IXGBEVF_TESTING, &adapter->state);
663 hw_dbg(&adapter->hw, "online testing starting\n");
665 if (ixgbevf_link_test(adapter, &data[1]))
666 eth_test->flags |= ETH_TEST_FL_FAILED;
668 /* Online tests aren't run; pass by default */
671 clear_bit(__IXGBEVF_TESTING, &adapter->state);
673 msleep_interruptible(4 * 1000);
676 static int ixgbevf_nway_reset(struct net_device *netdev)
678 struct ixgbevf_adapter *adapter = netdev_priv(netdev);
680 if (netif_running(netdev)) {
681 if (!adapter->dev_closed)
682 ixgbevf_reinit_locked(adapter);
688 static struct ethtool_ops ixgbevf_ethtool_ops = {
689 .get_settings = ixgbevf_get_settings,
690 .get_drvinfo = ixgbevf_get_drvinfo,
691 .get_regs_len = ixgbevf_get_regs_len,
692 .get_regs = ixgbevf_get_regs,
693 .nway_reset = ixgbevf_nway_reset,
694 .get_link = ethtool_op_get_link,
695 .get_ringparam = ixgbevf_get_ringparam,
696 .set_ringparam = ixgbevf_set_ringparam,
697 .get_rx_csum = ixgbevf_get_rx_csum,
698 .set_rx_csum = ixgbevf_set_rx_csum,
699 .get_tx_csum = ethtool_op_get_tx_csum,
700 .set_tx_csum = ethtool_op_set_tx_ipv6_csum,
701 .get_sg = ethtool_op_get_sg,
702 .set_sg = ethtool_op_set_sg,
703 .get_msglevel = ixgbevf_get_msglevel,
704 .set_msglevel = ixgbevf_set_msglevel,
705 .get_tso = ethtool_op_get_tso,
706 .set_tso = ixgbevf_set_tso,
707 .self_test = ixgbevf_diag_test,
708 .get_sset_count = ixgbevf_get_sset_count,
709 .get_strings = ixgbevf_get_strings,
710 .get_ethtool_stats = ixgbevf_get_ethtool_stats,
713 void ixgbevf_set_ethtool_ops(struct net_device *netdev)
715 SET_ETHTOOL_OPS(netdev, &ixgbevf_ethtool_ops);