slab: use NUMA_NO_NODE
[linux-2.6/next.git] / drivers / net / ixgbe / ixgbe_ethtool.c
blobdc649553a0a65a837e4053e57c0ab42b66af6f32
1 /*******************************************************************************
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2011 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
13 more details.
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".
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
26 *******************************************************************************/
28 /* ethtool support for ixgbe */
30 #include <linux/interrupt.h>
31 #include <linux/types.h>
32 #include <linux/module.h>
33 #include <linux/slab.h>
34 #include <linux/pci.h>
35 #include <linux/netdevice.h>
36 #include <linux/ethtool.h>
37 #include <linux/vmalloc.h>
38 #include <linux/uaccess.h>
40 #include "ixgbe.h"
43 #define IXGBE_ALL_RAR_ENTRIES 16
45 enum {NETDEV_STATS, IXGBE_STATS};
47 struct ixgbe_stats {
48 char stat_string[ETH_GSTRING_LEN];
49 int type;
50 int sizeof_stat;
51 int stat_offset;
54 #define IXGBE_STAT(m) IXGBE_STATS, \
55 sizeof(((struct ixgbe_adapter *)0)->m), \
56 offsetof(struct ixgbe_adapter, m)
57 #define IXGBE_NETDEV_STAT(m) NETDEV_STATS, \
58 sizeof(((struct rtnl_link_stats64 *)0)->m), \
59 offsetof(struct rtnl_link_stats64, m)
61 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
62 {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
63 {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
64 {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
65 {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
66 {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
67 {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
68 {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
69 {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
70 {"lsc_int", IXGBE_STAT(lsc_int)},
71 {"tx_busy", IXGBE_STAT(tx_busy)},
72 {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
73 {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
74 {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
75 {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
76 {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
77 {"multicast", IXGBE_NETDEV_STAT(multicast)},
78 {"broadcast", IXGBE_STAT(stats.bprc)},
79 {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
80 {"collisions", IXGBE_NETDEV_STAT(collisions)},
81 {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
82 {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
83 {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
84 {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
85 {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
86 {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
87 {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
88 {"fdir_overflow", IXGBE_STAT(fdir_overflow)},
89 {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
90 {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
91 {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
92 {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
93 {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
94 {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
95 {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
96 {"tx_restart_queue", IXGBE_STAT(restart_queue)},
97 {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
98 {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
99 {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
100 {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
101 {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
102 {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
103 {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
104 {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
105 {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
106 {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
107 {"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
108 {"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
109 {"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
110 {"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
111 #ifdef IXGBE_FCOE
112 {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
113 {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
114 {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
115 {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
116 {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
117 {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
118 #endif /* IXGBE_FCOE */
121 #define IXGBE_QUEUE_STATS_LEN \
122 ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
123 ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
124 (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
125 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
126 #define IXGBE_PB_STATS_LEN ( \
127 (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
128 IXGBE_FLAG_DCB_ENABLED) ? \
129 (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
130 sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
131 sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
132 sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
133 / sizeof(u64) : 0)
134 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
135 IXGBE_PB_STATS_LEN + \
136 IXGBE_QUEUE_STATS_LEN)
138 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
139 "Register test (offline)", "Eeprom test (offline)",
140 "Interrupt test (offline)", "Loopback test (offline)",
141 "Link test (on/offline)"
143 #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
145 static int ixgbe_get_settings(struct net_device *netdev,
146 struct ethtool_cmd *ecmd)
148 struct ixgbe_adapter *adapter = netdev_priv(netdev);
149 struct ixgbe_hw *hw = &adapter->hw;
150 u32 link_speed = 0;
151 bool link_up;
153 ecmd->supported = SUPPORTED_10000baseT_Full;
154 ecmd->autoneg = AUTONEG_ENABLE;
155 ecmd->transceiver = XCVR_EXTERNAL;
156 if ((hw->phy.media_type == ixgbe_media_type_copper) ||
157 (hw->phy.multispeed_fiber)) {
158 ecmd->supported |= (SUPPORTED_1000baseT_Full |
159 SUPPORTED_Autoneg);
161 switch (hw->mac.type) {
162 case ixgbe_mac_X540:
163 ecmd->supported |= SUPPORTED_100baseT_Full;
164 break;
165 default:
166 break;
169 ecmd->advertising = ADVERTISED_Autoneg;
170 if (hw->phy.autoneg_advertised) {
171 if (hw->phy.autoneg_advertised &
172 IXGBE_LINK_SPEED_100_FULL)
173 ecmd->advertising |= ADVERTISED_100baseT_Full;
174 if (hw->phy.autoneg_advertised &
175 IXGBE_LINK_SPEED_10GB_FULL)
176 ecmd->advertising |= ADVERTISED_10000baseT_Full;
177 if (hw->phy.autoneg_advertised &
178 IXGBE_LINK_SPEED_1GB_FULL)
179 ecmd->advertising |= ADVERTISED_1000baseT_Full;
180 } else {
182 * Default advertised modes in case
183 * phy.autoneg_advertised isn't set.
185 ecmd->advertising |= (ADVERTISED_10000baseT_Full |
186 ADVERTISED_1000baseT_Full);
187 if (hw->mac.type == ixgbe_mac_X540)
188 ecmd->advertising |= ADVERTISED_100baseT_Full;
191 if (hw->phy.media_type == ixgbe_media_type_copper) {
192 ecmd->supported |= SUPPORTED_TP;
193 ecmd->advertising |= ADVERTISED_TP;
194 ecmd->port = PORT_TP;
195 } else {
196 ecmd->supported |= SUPPORTED_FIBRE;
197 ecmd->advertising |= ADVERTISED_FIBRE;
198 ecmd->port = PORT_FIBRE;
200 } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
201 /* Set as FIBRE until SERDES defined in kernel */
202 if (hw->device_id == IXGBE_DEV_ID_82598_BX) {
203 ecmd->supported = (SUPPORTED_1000baseT_Full |
204 SUPPORTED_FIBRE);
205 ecmd->advertising = (ADVERTISED_1000baseT_Full |
206 ADVERTISED_FIBRE);
207 ecmd->port = PORT_FIBRE;
208 ecmd->autoneg = AUTONEG_DISABLE;
209 } else if ((hw->device_id == IXGBE_DEV_ID_82599_COMBO_BACKPLANE) ||
210 (hw->device_id == IXGBE_DEV_ID_82599_KX4_MEZZ)) {
211 ecmd->supported |= (SUPPORTED_1000baseT_Full |
212 SUPPORTED_Autoneg |
213 SUPPORTED_FIBRE);
214 ecmd->advertising = (ADVERTISED_10000baseT_Full |
215 ADVERTISED_1000baseT_Full |
216 ADVERTISED_Autoneg |
217 ADVERTISED_FIBRE);
218 ecmd->port = PORT_FIBRE;
219 } else {
220 ecmd->supported |= (SUPPORTED_1000baseT_Full |
221 SUPPORTED_FIBRE);
222 ecmd->advertising = (ADVERTISED_10000baseT_Full |
223 ADVERTISED_1000baseT_Full |
224 ADVERTISED_FIBRE);
225 ecmd->port = PORT_FIBRE;
227 } else {
228 ecmd->supported |= SUPPORTED_FIBRE;
229 ecmd->advertising = (ADVERTISED_10000baseT_Full |
230 ADVERTISED_FIBRE);
231 ecmd->port = PORT_FIBRE;
232 ecmd->autoneg = AUTONEG_DISABLE;
235 /* Get PHY type */
236 switch (adapter->hw.phy.type) {
237 case ixgbe_phy_tn:
238 case ixgbe_phy_aq:
239 case ixgbe_phy_cu_unknown:
240 /* Copper 10G-BASET */
241 ecmd->port = PORT_TP;
242 break;
243 case ixgbe_phy_qt:
244 ecmd->port = PORT_FIBRE;
245 break;
246 case ixgbe_phy_nl:
247 case ixgbe_phy_sfp_passive_tyco:
248 case ixgbe_phy_sfp_passive_unknown:
249 case ixgbe_phy_sfp_ftl:
250 case ixgbe_phy_sfp_avago:
251 case ixgbe_phy_sfp_intel:
252 case ixgbe_phy_sfp_unknown:
253 switch (adapter->hw.phy.sfp_type) {
254 /* SFP+ devices, further checking needed */
255 case ixgbe_sfp_type_da_cu:
256 case ixgbe_sfp_type_da_cu_core0:
257 case ixgbe_sfp_type_da_cu_core1:
258 ecmd->port = PORT_DA;
259 break;
260 case ixgbe_sfp_type_sr:
261 case ixgbe_sfp_type_lr:
262 case ixgbe_sfp_type_srlr_core0:
263 case ixgbe_sfp_type_srlr_core1:
264 ecmd->port = PORT_FIBRE;
265 break;
266 case ixgbe_sfp_type_not_present:
267 ecmd->port = PORT_NONE;
268 break;
269 case ixgbe_sfp_type_1g_cu_core0:
270 case ixgbe_sfp_type_1g_cu_core1:
271 ecmd->port = PORT_TP;
272 ecmd->supported = SUPPORTED_TP;
273 ecmd->advertising = (ADVERTISED_1000baseT_Full |
274 ADVERTISED_TP);
275 break;
276 case ixgbe_sfp_type_unknown:
277 default:
278 ecmd->port = PORT_OTHER;
279 break;
281 break;
282 case ixgbe_phy_xaui:
283 ecmd->port = PORT_NONE;
284 break;
285 case ixgbe_phy_unknown:
286 case ixgbe_phy_generic:
287 case ixgbe_phy_sfp_unsupported:
288 default:
289 ecmd->port = PORT_OTHER;
290 break;
293 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
294 if (link_up) {
295 switch (link_speed) {
296 case IXGBE_LINK_SPEED_10GB_FULL:
297 ethtool_cmd_speed_set(ecmd, SPEED_10000);
298 break;
299 case IXGBE_LINK_SPEED_1GB_FULL:
300 ethtool_cmd_speed_set(ecmd, SPEED_1000);
301 break;
302 case IXGBE_LINK_SPEED_100_FULL:
303 ethtool_cmd_speed_set(ecmd, SPEED_100);
304 break;
305 default:
306 break;
308 ecmd->duplex = DUPLEX_FULL;
309 } else {
310 ethtool_cmd_speed_set(ecmd, -1);
311 ecmd->duplex = -1;
314 return 0;
317 static int ixgbe_set_settings(struct net_device *netdev,
318 struct ethtool_cmd *ecmd)
320 struct ixgbe_adapter *adapter = netdev_priv(netdev);
321 struct ixgbe_hw *hw = &adapter->hw;
322 u32 advertised, old;
323 s32 err = 0;
325 if ((hw->phy.media_type == ixgbe_media_type_copper) ||
326 (hw->phy.multispeed_fiber)) {
327 /* 10000/copper and 1000/copper must autoneg
328 * this function does not support any duplex forcing, but can
329 * limit the advertising of the adapter to only 10000 or 1000 */
330 if (ecmd->autoneg == AUTONEG_DISABLE)
331 return -EINVAL;
333 old = hw->phy.autoneg_advertised;
334 advertised = 0;
335 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
336 advertised |= IXGBE_LINK_SPEED_10GB_FULL;
338 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
339 advertised |= IXGBE_LINK_SPEED_1GB_FULL;
341 if (ecmd->advertising & ADVERTISED_100baseT_Full)
342 advertised |= IXGBE_LINK_SPEED_100_FULL;
344 if (old == advertised)
345 return err;
346 /* this sets the link speed and restarts auto-neg */
347 hw->mac.autotry_restart = true;
348 err = hw->mac.ops.setup_link(hw, advertised, true, true);
349 if (err) {
350 e_info(probe, "setup link failed with code %d\n", err);
351 hw->mac.ops.setup_link(hw, old, true, true);
353 } else {
354 /* in this case we currently only support 10Gb/FULL */
355 u32 speed = ethtool_cmd_speed(ecmd);
356 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
357 (ecmd->advertising != ADVERTISED_10000baseT_Full) ||
358 (speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
359 return -EINVAL;
362 return err;
365 static void ixgbe_get_pauseparam(struct net_device *netdev,
366 struct ethtool_pauseparam *pause)
368 struct ixgbe_adapter *adapter = netdev_priv(netdev);
369 struct ixgbe_hw *hw = &adapter->hw;
372 * Flow Control Autoneg isn't on if
373 * - we didn't ask for it OR
374 * - it failed, we know this by tx & rx being off
376 if (hw->fc.disable_fc_autoneg ||
377 (hw->fc.current_mode == ixgbe_fc_none))
378 pause->autoneg = 0;
379 else
380 pause->autoneg = 1;
382 if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
383 pause->rx_pause = 1;
384 } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
385 pause->tx_pause = 1;
386 } else if (hw->fc.current_mode == ixgbe_fc_full) {
387 pause->rx_pause = 1;
388 pause->tx_pause = 1;
389 #ifdef CONFIG_DCB
390 } else if (hw->fc.current_mode == ixgbe_fc_pfc) {
391 pause->rx_pause = 0;
392 pause->tx_pause = 0;
393 #endif
397 static int ixgbe_set_pauseparam(struct net_device *netdev,
398 struct ethtool_pauseparam *pause)
400 struct ixgbe_adapter *adapter = netdev_priv(netdev);
401 struct ixgbe_hw *hw = &adapter->hw;
402 struct ixgbe_fc_info fc;
404 #ifdef CONFIG_DCB
405 if (adapter->dcb_cfg.pfc_mode_enable ||
406 ((hw->mac.type == ixgbe_mac_82598EB) &&
407 (adapter->flags & IXGBE_FLAG_DCB_ENABLED)))
408 return -EINVAL;
410 #endif
411 fc = hw->fc;
413 if (pause->autoneg != AUTONEG_ENABLE)
414 fc.disable_fc_autoneg = true;
415 else
416 fc.disable_fc_autoneg = false;
418 if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
419 fc.requested_mode = ixgbe_fc_full;
420 else if (pause->rx_pause && !pause->tx_pause)
421 fc.requested_mode = ixgbe_fc_rx_pause;
422 else if (!pause->rx_pause && pause->tx_pause)
423 fc.requested_mode = ixgbe_fc_tx_pause;
424 else if (!pause->rx_pause && !pause->tx_pause)
425 fc.requested_mode = ixgbe_fc_none;
426 else
427 return -EINVAL;
429 #ifdef CONFIG_DCB
430 adapter->last_lfc_mode = fc.requested_mode;
431 #endif
433 /* if the thing changed then we'll update and use new autoneg */
434 if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
435 hw->fc = fc;
436 if (netif_running(netdev))
437 ixgbe_reinit_locked(adapter);
438 else
439 ixgbe_reset(adapter);
442 return 0;
445 static u32 ixgbe_get_msglevel(struct net_device *netdev)
447 struct ixgbe_adapter *adapter = netdev_priv(netdev);
448 return adapter->msg_enable;
451 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
453 struct ixgbe_adapter *adapter = netdev_priv(netdev);
454 adapter->msg_enable = data;
457 static int ixgbe_get_regs_len(struct net_device *netdev)
459 #define IXGBE_REGS_LEN 1128
460 return IXGBE_REGS_LEN * sizeof(u32);
463 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
465 static void ixgbe_get_regs(struct net_device *netdev,
466 struct ethtool_regs *regs, void *p)
468 struct ixgbe_adapter *adapter = netdev_priv(netdev);
469 struct ixgbe_hw *hw = &adapter->hw;
470 u32 *regs_buff = p;
471 u8 i;
473 memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
475 regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
477 /* General Registers */
478 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
479 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
480 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
481 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
482 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
483 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
484 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
485 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
487 /* NVM Register */
488 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
489 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
490 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
491 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
492 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
493 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
494 regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
495 regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
496 regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
497 regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
499 /* Interrupt */
500 /* don't read EICR because it can clear interrupt causes, instead
501 * read EICS which is a shadow but doesn't clear EICR */
502 regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
503 regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
504 regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
505 regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
506 regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
507 regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
508 regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
509 regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
510 regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
511 regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
512 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
513 regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
515 /* Flow Control */
516 regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
517 regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
518 regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
519 regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
520 regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
521 for (i = 0; i < 8; i++) {
522 switch (hw->mac.type) {
523 case ixgbe_mac_82598EB:
524 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
525 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
526 break;
527 case ixgbe_mac_82599EB:
528 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
529 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
530 break;
531 default:
532 break;
535 regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
536 regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
538 /* Receive DMA */
539 for (i = 0; i < 64; i++)
540 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
541 for (i = 0; i < 64; i++)
542 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
543 for (i = 0; i < 64; i++)
544 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
545 for (i = 0; i < 64; i++)
546 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
547 for (i = 0; i < 64; i++)
548 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
549 for (i = 0; i < 64; i++)
550 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
551 for (i = 0; i < 16; i++)
552 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
553 for (i = 0; i < 16; i++)
554 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
555 regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
556 for (i = 0; i < 8; i++)
557 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
558 regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
559 regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
561 /* Receive */
562 regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
563 regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
564 for (i = 0; i < 16; i++)
565 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
566 for (i = 0; i < 16; i++)
567 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
568 regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
569 regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
570 regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
571 regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
572 regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
573 regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
574 for (i = 0; i < 8; i++)
575 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
576 for (i = 0; i < 8; i++)
577 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
578 regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
580 /* Transmit */
581 for (i = 0; i < 32; i++)
582 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
583 for (i = 0; i < 32; i++)
584 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
585 for (i = 0; i < 32; i++)
586 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
587 for (i = 0; i < 32; i++)
588 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
589 for (i = 0; i < 32; i++)
590 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
591 for (i = 0; i < 32; i++)
592 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
593 for (i = 0; i < 32; i++)
594 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
595 for (i = 0; i < 32; i++)
596 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
597 regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
598 for (i = 0; i < 16; i++)
599 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
600 regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
601 for (i = 0; i < 8; i++)
602 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
603 regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
605 /* Wake Up */
606 regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
607 regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
608 regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
609 regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
610 regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
611 regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
612 regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
613 regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
614 regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
616 /* DCB */
617 regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
618 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
619 regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
620 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
621 for (i = 0; i < 8; i++)
622 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
623 for (i = 0; i < 8; i++)
624 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
625 for (i = 0; i < 8; i++)
626 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
627 for (i = 0; i < 8; i++)
628 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
629 for (i = 0; i < 8; i++)
630 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
631 for (i = 0; i < 8; i++)
632 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
634 /* Statistics */
635 regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
636 regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
637 regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
638 regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
639 for (i = 0; i < 8; i++)
640 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
641 regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
642 regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
643 regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
644 regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
645 regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
646 regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
647 regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
648 for (i = 0; i < 8; i++)
649 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
650 for (i = 0; i < 8; i++)
651 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
652 for (i = 0; i < 8; i++)
653 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
654 for (i = 0; i < 8; i++)
655 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
656 regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
657 regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
658 regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
659 regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
660 regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
661 regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
662 regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
663 regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
664 regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
665 regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
666 regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
667 regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
668 for (i = 0; i < 8; i++)
669 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
670 regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
671 regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
672 regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
673 regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
674 regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
675 regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
676 regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
677 regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
678 regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
679 regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
680 regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
681 regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
682 regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
683 regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
684 regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
685 regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
686 regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
687 regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
688 regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
689 for (i = 0; i < 16; i++)
690 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
691 for (i = 0; i < 16; i++)
692 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
693 for (i = 0; i < 16; i++)
694 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
695 for (i = 0; i < 16; i++)
696 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
698 /* MAC */
699 regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
700 regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
701 regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
702 regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
703 regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
704 regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
705 regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
706 regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
707 regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
708 regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
709 regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
710 regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
711 regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
712 regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
713 regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
714 regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
715 regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
716 regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
717 regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
718 regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
719 regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
720 regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
721 regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
722 regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
723 regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
724 regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
725 regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
726 regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
727 regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
728 regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
729 regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
730 regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
731 regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
733 /* Diagnostic */
734 regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
735 for (i = 0; i < 8; i++)
736 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
737 regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
738 for (i = 0; i < 4; i++)
739 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
740 regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
741 regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
742 for (i = 0; i < 8; i++)
743 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
744 regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
745 for (i = 0; i < 4; i++)
746 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
747 regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
748 regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
749 regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
750 regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
751 regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
752 regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
753 regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
754 regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
755 regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
756 regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
757 regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
758 for (i = 0; i < 8; i++)
759 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
760 regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
761 regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
762 regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
763 regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
764 regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
765 regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
766 regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
767 regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
768 regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
771 static int ixgbe_get_eeprom_len(struct net_device *netdev)
773 struct ixgbe_adapter *adapter = netdev_priv(netdev);
774 return adapter->hw.eeprom.word_size * 2;
777 static int ixgbe_get_eeprom(struct net_device *netdev,
778 struct ethtool_eeprom *eeprom, u8 *bytes)
780 struct ixgbe_adapter *adapter = netdev_priv(netdev);
781 struct ixgbe_hw *hw = &adapter->hw;
782 u16 *eeprom_buff;
783 int first_word, last_word, eeprom_len;
784 int ret_val = 0;
785 u16 i;
787 if (eeprom->len == 0)
788 return -EINVAL;
790 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
792 first_word = eeprom->offset >> 1;
793 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
794 eeprom_len = last_word - first_word + 1;
796 eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
797 if (!eeprom_buff)
798 return -ENOMEM;
800 ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len,
801 eeprom_buff);
803 /* Device's eeprom is always little-endian, word addressable */
804 for (i = 0; i < eeprom_len; i++)
805 le16_to_cpus(&eeprom_buff[i]);
807 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
808 kfree(eeprom_buff);
810 return ret_val;
813 static void ixgbe_get_drvinfo(struct net_device *netdev,
814 struct ethtool_drvinfo *drvinfo)
816 struct ixgbe_adapter *adapter = netdev_priv(netdev);
817 char firmware_version[32];
819 strncpy(drvinfo->driver, ixgbe_driver_name,
820 sizeof(drvinfo->driver) - 1);
821 strncpy(drvinfo->version, ixgbe_driver_version,
822 sizeof(drvinfo->version) - 1);
824 snprintf(firmware_version, sizeof(firmware_version), "%d.%d-%d",
825 (adapter->eeprom_version & 0xF000) >> 12,
826 (adapter->eeprom_version & 0x0FF0) >> 4,
827 adapter->eeprom_version & 0x000F);
829 strncpy(drvinfo->fw_version, firmware_version,
830 sizeof(drvinfo->fw_version));
831 strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
832 sizeof(drvinfo->bus_info));
833 drvinfo->n_stats = IXGBE_STATS_LEN;
834 drvinfo->testinfo_len = IXGBE_TEST_LEN;
835 drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
838 static void ixgbe_get_ringparam(struct net_device *netdev,
839 struct ethtool_ringparam *ring)
841 struct ixgbe_adapter *adapter = netdev_priv(netdev);
842 struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
843 struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
845 ring->rx_max_pending = IXGBE_MAX_RXD;
846 ring->tx_max_pending = IXGBE_MAX_TXD;
847 ring->rx_mini_max_pending = 0;
848 ring->rx_jumbo_max_pending = 0;
849 ring->rx_pending = rx_ring->count;
850 ring->tx_pending = tx_ring->count;
851 ring->rx_mini_pending = 0;
852 ring->rx_jumbo_pending = 0;
855 static int ixgbe_set_ringparam(struct net_device *netdev,
856 struct ethtool_ringparam *ring)
858 struct ixgbe_adapter *adapter = netdev_priv(netdev);
859 struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
860 int i, err = 0;
861 u32 new_rx_count, new_tx_count;
862 bool need_update = false;
864 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
865 return -EINVAL;
867 new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
868 new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
869 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
871 new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
872 new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
873 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
875 if ((new_tx_count == adapter->tx_ring[0]->count) &&
876 (new_rx_count == adapter->rx_ring[0]->count)) {
877 /* nothing to do */
878 return 0;
881 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
882 usleep_range(1000, 2000);
884 if (!netif_running(adapter->netdev)) {
885 for (i = 0; i < adapter->num_tx_queues; i++)
886 adapter->tx_ring[i]->count = new_tx_count;
887 for (i = 0; i < adapter->num_rx_queues; i++)
888 adapter->rx_ring[i]->count = new_rx_count;
889 adapter->tx_ring_count = new_tx_count;
890 adapter->rx_ring_count = new_rx_count;
891 goto clear_reset;
894 temp_tx_ring = vmalloc(adapter->num_tx_queues * sizeof(struct ixgbe_ring));
895 if (!temp_tx_ring) {
896 err = -ENOMEM;
897 goto clear_reset;
900 if (new_tx_count != adapter->tx_ring_count) {
901 for (i = 0; i < adapter->num_tx_queues; i++) {
902 memcpy(&temp_tx_ring[i], adapter->tx_ring[i],
903 sizeof(struct ixgbe_ring));
904 temp_tx_ring[i].count = new_tx_count;
905 err = ixgbe_setup_tx_resources(&temp_tx_ring[i]);
906 if (err) {
907 while (i) {
908 i--;
909 ixgbe_free_tx_resources(&temp_tx_ring[i]);
911 goto clear_reset;
914 need_update = true;
917 temp_rx_ring = vmalloc(adapter->num_rx_queues * sizeof(struct ixgbe_ring));
918 if (!temp_rx_ring) {
919 err = -ENOMEM;
920 goto err_setup;
923 if (new_rx_count != adapter->rx_ring_count) {
924 for (i = 0; i < adapter->num_rx_queues; i++) {
925 memcpy(&temp_rx_ring[i], adapter->rx_ring[i],
926 sizeof(struct ixgbe_ring));
927 temp_rx_ring[i].count = new_rx_count;
928 err = ixgbe_setup_rx_resources(&temp_rx_ring[i]);
929 if (err) {
930 while (i) {
931 i--;
932 ixgbe_free_rx_resources(&temp_rx_ring[i]);
934 goto err_setup;
937 need_update = true;
940 /* if rings need to be updated, here's the place to do it in one shot */
941 if (need_update) {
942 ixgbe_down(adapter);
944 /* tx */
945 if (new_tx_count != adapter->tx_ring_count) {
946 for (i = 0; i < adapter->num_tx_queues; i++) {
947 ixgbe_free_tx_resources(adapter->tx_ring[i]);
948 memcpy(adapter->tx_ring[i], &temp_tx_ring[i],
949 sizeof(struct ixgbe_ring));
951 adapter->tx_ring_count = new_tx_count;
954 /* rx */
955 if (new_rx_count != adapter->rx_ring_count) {
956 for (i = 0; i < adapter->num_rx_queues; i++) {
957 ixgbe_free_rx_resources(adapter->rx_ring[i]);
958 memcpy(adapter->rx_ring[i], &temp_rx_ring[i],
959 sizeof(struct ixgbe_ring));
961 adapter->rx_ring_count = new_rx_count;
963 ixgbe_up(adapter);
966 vfree(temp_rx_ring);
967 err_setup:
968 vfree(temp_tx_ring);
969 clear_reset:
970 clear_bit(__IXGBE_RESETTING, &adapter->state);
971 return err;
974 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
976 switch (sset) {
977 case ETH_SS_TEST:
978 return IXGBE_TEST_LEN;
979 case ETH_SS_STATS:
980 return IXGBE_STATS_LEN;
981 default:
982 return -EOPNOTSUPP;
986 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
987 struct ethtool_stats *stats, u64 *data)
989 struct ixgbe_adapter *adapter = netdev_priv(netdev);
990 struct rtnl_link_stats64 temp;
991 const struct rtnl_link_stats64 *net_stats;
992 unsigned int start;
993 struct ixgbe_ring *ring;
994 int i, j;
995 char *p = NULL;
997 ixgbe_update_stats(adapter);
998 net_stats = dev_get_stats(netdev, &temp);
999 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1000 switch (ixgbe_gstrings_stats[i].type) {
1001 case NETDEV_STATS:
1002 p = (char *) net_stats +
1003 ixgbe_gstrings_stats[i].stat_offset;
1004 break;
1005 case IXGBE_STATS:
1006 p = (char *) adapter +
1007 ixgbe_gstrings_stats[i].stat_offset;
1008 break;
1011 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1012 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1014 for (j = 0; j < adapter->num_tx_queues; j++) {
1015 ring = adapter->tx_ring[j];
1016 do {
1017 start = u64_stats_fetch_begin_bh(&ring->syncp);
1018 data[i] = ring->stats.packets;
1019 data[i+1] = ring->stats.bytes;
1020 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
1021 i += 2;
1023 for (j = 0; j < adapter->num_rx_queues; j++) {
1024 ring = adapter->rx_ring[j];
1025 do {
1026 start = u64_stats_fetch_begin_bh(&ring->syncp);
1027 data[i] = ring->stats.packets;
1028 data[i+1] = ring->stats.bytes;
1029 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
1030 i += 2;
1032 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1033 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
1034 data[i++] = adapter->stats.pxontxc[j];
1035 data[i++] = adapter->stats.pxofftxc[j];
1037 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
1038 data[i++] = adapter->stats.pxonrxc[j];
1039 data[i++] = adapter->stats.pxoffrxc[j];
1044 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1045 u8 *data)
1047 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1048 char *p = (char *)data;
1049 int i;
1051 switch (stringset) {
1052 case ETH_SS_TEST:
1053 memcpy(data, *ixgbe_gstrings_test,
1054 IXGBE_TEST_LEN * ETH_GSTRING_LEN);
1055 break;
1056 case ETH_SS_STATS:
1057 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1058 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1059 ETH_GSTRING_LEN);
1060 p += ETH_GSTRING_LEN;
1062 for (i = 0; i < adapter->num_tx_queues; i++) {
1063 sprintf(p, "tx_queue_%u_packets", i);
1064 p += ETH_GSTRING_LEN;
1065 sprintf(p, "tx_queue_%u_bytes", i);
1066 p += ETH_GSTRING_LEN;
1068 for (i = 0; i < adapter->num_rx_queues; i++) {
1069 sprintf(p, "rx_queue_%u_packets", i);
1070 p += ETH_GSTRING_LEN;
1071 sprintf(p, "rx_queue_%u_bytes", i);
1072 p += ETH_GSTRING_LEN;
1074 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
1075 for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
1076 sprintf(p, "tx_pb_%u_pxon", i);
1077 p += ETH_GSTRING_LEN;
1078 sprintf(p, "tx_pb_%u_pxoff", i);
1079 p += ETH_GSTRING_LEN;
1081 for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
1082 sprintf(p, "rx_pb_%u_pxon", i);
1083 p += ETH_GSTRING_LEN;
1084 sprintf(p, "rx_pb_%u_pxoff", i);
1085 p += ETH_GSTRING_LEN;
1088 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1089 break;
1093 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1095 struct ixgbe_hw *hw = &adapter->hw;
1096 bool link_up;
1097 u32 link_speed = 0;
1098 *data = 0;
1100 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1101 if (link_up)
1102 return *data;
1103 else
1104 *data = 1;
1105 return *data;
1108 /* ethtool register test data */
1109 struct ixgbe_reg_test {
1110 u16 reg;
1111 u8 array_len;
1112 u8 test_type;
1113 u32 mask;
1114 u32 write;
1117 /* In the hardware, registers are laid out either singly, in arrays
1118 * spaced 0x40 bytes apart, or in contiguous tables. We assume
1119 * most tests take place on arrays or single registers (handled
1120 * as a single-element array) and special-case the tables.
1121 * Table tests are always pattern tests.
1123 * We also make provision for some required setup steps by specifying
1124 * registers to be written without any read-back testing.
1127 #define PATTERN_TEST 1
1128 #define SET_READ_TEST 2
1129 #define WRITE_NO_TEST 3
1130 #define TABLE32_TEST 4
1131 #define TABLE64_TEST_LO 5
1132 #define TABLE64_TEST_HI 6
1134 /* default 82599 register test */
1135 static const struct ixgbe_reg_test reg_test_82599[] = {
1136 { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1137 { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1138 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1139 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1140 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1141 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1142 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1143 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1144 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1145 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1146 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1147 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1148 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1149 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1150 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1151 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1152 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1153 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1154 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1155 { 0, 0, 0, 0 }
1158 /* default 82598 register test */
1159 static const struct ixgbe_reg_test reg_test_82598[] = {
1160 { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1161 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1162 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1163 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1164 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1165 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1166 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1167 /* Enable all four RX queues before testing. */
1168 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1169 /* RDH is read-only for 82598, only test RDT. */
1170 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1171 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1172 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1173 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1174 { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1175 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1176 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1177 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1178 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1179 { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1180 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1181 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1182 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1183 { 0, 0, 0, 0 }
1186 static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
1187 u32 mask, u32 write)
1189 u32 pat, val, before;
1190 static const u32 test_pattern[] = {
1191 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1193 for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
1194 before = readl(adapter->hw.hw_addr + reg);
1195 writel((test_pattern[pat] & write),
1196 (adapter->hw.hw_addr + reg));
1197 val = readl(adapter->hw.hw_addr + reg);
1198 if (val != (test_pattern[pat] & write & mask)) {
1199 e_err(drv, "pattern test reg %04X failed: got "
1200 "0x%08X expected 0x%08X\n",
1201 reg, val, (test_pattern[pat] & write & mask));
1202 *data = reg;
1203 writel(before, adapter->hw.hw_addr + reg);
1204 return 1;
1206 writel(before, adapter->hw.hw_addr + reg);
1208 return 0;
1211 static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
1212 u32 mask, u32 write)
1214 u32 val, before;
1215 before = readl(adapter->hw.hw_addr + reg);
1216 writel((write & mask), (adapter->hw.hw_addr + reg));
1217 val = readl(adapter->hw.hw_addr + reg);
1218 if ((write & mask) != (val & mask)) {
1219 e_err(drv, "set/check reg %04X test failed: got 0x%08X "
1220 "expected 0x%08X\n", reg, (val & mask), (write & mask));
1221 *data = reg;
1222 writel(before, (adapter->hw.hw_addr + reg));
1223 return 1;
1225 writel(before, (adapter->hw.hw_addr + reg));
1226 return 0;
1229 #define REG_PATTERN_TEST(reg, mask, write) \
1230 do { \
1231 if (reg_pattern_test(adapter, data, reg, mask, write)) \
1232 return 1; \
1233 } while (0) \
1236 #define REG_SET_AND_CHECK(reg, mask, write) \
1237 do { \
1238 if (reg_set_and_check(adapter, data, reg, mask, write)) \
1239 return 1; \
1240 } while (0) \
1242 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1244 const struct ixgbe_reg_test *test;
1245 u32 value, before, after;
1246 u32 i, toggle;
1248 switch (adapter->hw.mac.type) {
1249 case ixgbe_mac_82598EB:
1250 toggle = 0x7FFFF3FF;
1251 test = reg_test_82598;
1252 break;
1253 case ixgbe_mac_82599EB:
1254 case ixgbe_mac_X540:
1255 toggle = 0x7FFFF30F;
1256 test = reg_test_82599;
1257 break;
1258 default:
1259 *data = 1;
1260 return 1;
1261 break;
1265 * Because the status register is such a special case,
1266 * we handle it separately from the rest of the register
1267 * tests. Some bits are read-only, some toggle, and some
1268 * are writeable on newer MACs.
1270 before = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS);
1271 value = (IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle);
1272 IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, toggle);
1273 after = IXGBE_READ_REG(&adapter->hw, IXGBE_STATUS) & toggle;
1274 if (value != after) {
1275 e_err(drv, "failed STATUS register test got: 0x%08X "
1276 "expected: 0x%08X\n", after, value);
1277 *data = 1;
1278 return 1;
1280 /* restore previous status */
1281 IXGBE_WRITE_REG(&adapter->hw, IXGBE_STATUS, before);
1284 * Perform the remainder of the register test, looping through
1285 * the test table until we either fail or reach the null entry.
1287 while (test->reg) {
1288 for (i = 0; i < test->array_len; i++) {
1289 switch (test->test_type) {
1290 case PATTERN_TEST:
1291 REG_PATTERN_TEST(test->reg + (i * 0x40),
1292 test->mask,
1293 test->write);
1294 break;
1295 case SET_READ_TEST:
1296 REG_SET_AND_CHECK(test->reg + (i * 0x40),
1297 test->mask,
1298 test->write);
1299 break;
1300 case WRITE_NO_TEST:
1301 writel(test->write,
1302 (adapter->hw.hw_addr + test->reg)
1303 + (i * 0x40));
1304 break;
1305 case TABLE32_TEST:
1306 REG_PATTERN_TEST(test->reg + (i * 4),
1307 test->mask,
1308 test->write);
1309 break;
1310 case TABLE64_TEST_LO:
1311 REG_PATTERN_TEST(test->reg + (i * 8),
1312 test->mask,
1313 test->write);
1314 break;
1315 case TABLE64_TEST_HI:
1316 REG_PATTERN_TEST((test->reg + 4) + (i * 8),
1317 test->mask,
1318 test->write);
1319 break;
1322 test++;
1325 *data = 0;
1326 return 0;
1329 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1331 struct ixgbe_hw *hw = &adapter->hw;
1332 if (hw->eeprom.ops.validate_checksum(hw, NULL))
1333 *data = 1;
1334 else
1335 *data = 0;
1336 return *data;
1339 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1341 struct net_device *netdev = (struct net_device *) data;
1342 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1344 adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1346 return IRQ_HANDLED;
1349 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1351 struct net_device *netdev = adapter->netdev;
1352 u32 mask, i = 0, shared_int = true;
1353 u32 irq = adapter->pdev->irq;
1355 *data = 0;
1357 /* Hook up test interrupt handler just for this test */
1358 if (adapter->msix_entries) {
1359 /* NOTE: we don't test MSI-X interrupts here, yet */
1360 return 0;
1361 } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1362 shared_int = false;
1363 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1364 netdev)) {
1365 *data = 1;
1366 return -1;
1368 } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1369 netdev->name, netdev)) {
1370 shared_int = false;
1371 } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1372 netdev->name, netdev)) {
1373 *data = 1;
1374 return -1;
1376 e_info(hw, "testing %s interrupt\n", shared_int ?
1377 "shared" : "unshared");
1379 /* Disable all the interrupts */
1380 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1381 usleep_range(10000, 20000);
1383 /* Test each interrupt */
1384 for (; i < 10; i++) {
1385 /* Interrupt to test */
1386 mask = 1 << i;
1388 if (!shared_int) {
1390 * Disable the interrupts to be reported in
1391 * the cause register and then force the same
1392 * interrupt and see if one gets posted. If
1393 * an interrupt was posted to the bus, the
1394 * test failed.
1396 adapter->test_icr = 0;
1397 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1398 ~mask & 0x00007FFF);
1399 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1400 ~mask & 0x00007FFF);
1401 usleep_range(10000, 20000);
1403 if (adapter->test_icr & mask) {
1404 *data = 3;
1405 break;
1410 * Enable the interrupt to be reported in the cause
1411 * register and then force the same interrupt and see
1412 * if one gets posted. If an interrupt was not posted
1413 * to the bus, the test failed.
1415 adapter->test_icr = 0;
1416 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1417 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1418 usleep_range(10000, 20000);
1420 if (!(adapter->test_icr &mask)) {
1421 *data = 4;
1422 break;
1425 if (!shared_int) {
1427 * Disable the other interrupts to be reported in
1428 * the cause register and then force the other
1429 * interrupts and see if any get posted. If
1430 * an interrupt was posted to the bus, the
1431 * test failed.
1433 adapter->test_icr = 0;
1434 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1435 ~mask & 0x00007FFF);
1436 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1437 ~mask & 0x00007FFF);
1438 usleep_range(10000, 20000);
1440 if (adapter->test_icr) {
1441 *data = 5;
1442 break;
1447 /* Disable all the interrupts */
1448 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1449 usleep_range(10000, 20000);
1451 /* Unhook test interrupt handler */
1452 free_irq(irq, netdev);
1454 return *data;
1457 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1459 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1460 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1461 struct ixgbe_hw *hw = &adapter->hw;
1462 u32 reg_ctl;
1464 /* shut down the DMA engines now so they can be reinitialized later */
1466 /* first Rx */
1467 reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
1468 reg_ctl &= ~IXGBE_RXCTRL_RXEN;
1469 IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl);
1470 ixgbe_disable_rx_queue(adapter, rx_ring);
1472 /* now Tx */
1473 reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx));
1474 reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
1475 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
1477 switch (hw->mac.type) {
1478 case ixgbe_mac_82599EB:
1479 case ixgbe_mac_X540:
1480 reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1481 reg_ctl &= ~IXGBE_DMATXCTL_TE;
1482 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
1483 break;
1484 default:
1485 break;
1488 ixgbe_reset(adapter);
1490 ixgbe_free_tx_resources(&adapter->test_tx_ring);
1491 ixgbe_free_rx_resources(&adapter->test_rx_ring);
1494 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1496 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1497 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1498 u32 rctl, reg_data;
1499 int ret_val;
1500 int err;
1502 /* Setup Tx descriptor ring and Tx buffers */
1503 tx_ring->count = IXGBE_DEFAULT_TXD;
1504 tx_ring->queue_index = 0;
1505 tx_ring->dev = &adapter->pdev->dev;
1506 tx_ring->netdev = adapter->netdev;
1507 tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1508 tx_ring->numa_node = adapter->node;
1510 err = ixgbe_setup_tx_resources(tx_ring);
1511 if (err)
1512 return 1;
1514 switch (adapter->hw.mac.type) {
1515 case ixgbe_mac_82599EB:
1516 case ixgbe_mac_X540:
1517 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1518 reg_data |= IXGBE_DMATXCTL_TE;
1519 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1520 break;
1521 default:
1522 break;
1525 ixgbe_configure_tx_ring(adapter, tx_ring);
1527 /* Setup Rx Descriptor ring and Rx buffers */
1528 rx_ring->count = IXGBE_DEFAULT_RXD;
1529 rx_ring->queue_index = 0;
1530 rx_ring->dev = &adapter->pdev->dev;
1531 rx_ring->netdev = adapter->netdev;
1532 rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1533 rx_ring->rx_buf_len = IXGBE_RXBUFFER_2048;
1534 rx_ring->numa_node = adapter->node;
1536 err = ixgbe_setup_rx_resources(rx_ring);
1537 if (err) {
1538 ret_val = 4;
1539 goto err_nomem;
1542 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1543 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN);
1545 ixgbe_configure_rx_ring(adapter, rx_ring);
1547 rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS;
1548 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1550 return 0;
1552 err_nomem:
1553 ixgbe_free_desc_rings(adapter);
1554 return ret_val;
1557 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1559 struct ixgbe_hw *hw = &adapter->hw;
1560 u32 reg_data;
1562 /* X540 needs to set the MACC.FLU bit to force link up */
1563 if (adapter->hw.mac.type == ixgbe_mac_X540) {
1564 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_MACC);
1565 reg_data |= IXGBE_MACC_FLU;
1566 IXGBE_WRITE_REG(&adapter->hw, IXGBE_MACC, reg_data);
1569 /* right now we only support MAC loopback in the driver */
1570 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1571 /* Setup MAC loopback */
1572 reg_data |= IXGBE_HLREG0_LPBK;
1573 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1575 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
1576 reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1577 IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_data);
1579 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_AUTOC);
1580 reg_data &= ~IXGBE_AUTOC_LMS_MASK;
1581 reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
1582 IXGBE_WRITE_REG(&adapter->hw, IXGBE_AUTOC, reg_data);
1583 IXGBE_WRITE_FLUSH(&adapter->hw);
1584 usleep_range(10000, 20000);
1586 /* Disable Atlas Tx lanes; re-enabled in reset path */
1587 if (hw->mac.type == ixgbe_mac_82598EB) {
1588 u8 atlas;
1590 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1591 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1592 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1594 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1595 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1596 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1598 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1599 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1600 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1602 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1603 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1604 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1607 return 0;
1610 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1612 u32 reg_data;
1614 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1615 reg_data &= ~IXGBE_HLREG0_LPBK;
1616 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1619 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1620 unsigned int frame_size)
1622 memset(skb->data, 0xFF, frame_size);
1623 frame_size &= ~1;
1624 memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
1625 memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
1626 memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
1629 static int ixgbe_check_lbtest_frame(struct sk_buff *skb,
1630 unsigned int frame_size)
1632 frame_size &= ~1;
1633 if (*(skb->data + 3) == 0xFF) {
1634 if ((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
1635 (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
1636 return 0;
1639 return 13;
1642 static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
1643 struct ixgbe_ring *tx_ring,
1644 unsigned int size)
1646 union ixgbe_adv_rx_desc *rx_desc;
1647 struct ixgbe_rx_buffer *rx_buffer_info;
1648 struct ixgbe_tx_buffer *tx_buffer_info;
1649 const int bufsz = rx_ring->rx_buf_len;
1650 u32 staterr;
1651 u16 rx_ntc, tx_ntc, count = 0;
1653 /* initialize next to clean and descriptor values */
1654 rx_ntc = rx_ring->next_to_clean;
1655 tx_ntc = tx_ring->next_to_clean;
1656 rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
1657 staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
1659 while (staterr & IXGBE_RXD_STAT_DD) {
1660 /* check Rx buffer */
1661 rx_buffer_info = &rx_ring->rx_buffer_info[rx_ntc];
1663 /* unmap Rx buffer, will be remapped by alloc_rx_buffers */
1664 dma_unmap_single(rx_ring->dev,
1665 rx_buffer_info->dma,
1666 bufsz,
1667 DMA_FROM_DEVICE);
1668 rx_buffer_info->dma = 0;
1670 /* verify contents of skb */
1671 if (!ixgbe_check_lbtest_frame(rx_buffer_info->skb, size))
1672 count++;
1674 /* unmap buffer on Tx side */
1675 tx_buffer_info = &tx_ring->tx_buffer_info[tx_ntc];
1676 ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer_info);
1678 /* increment Rx/Tx next to clean counters */
1679 rx_ntc++;
1680 if (rx_ntc == rx_ring->count)
1681 rx_ntc = 0;
1682 tx_ntc++;
1683 if (tx_ntc == tx_ring->count)
1684 tx_ntc = 0;
1686 /* fetch next descriptor */
1687 rx_desc = IXGBE_RX_DESC_ADV(rx_ring, rx_ntc);
1688 staterr = le32_to_cpu(rx_desc->wb.upper.status_error);
1691 /* re-map buffers to ring, store next to clean values */
1692 ixgbe_alloc_rx_buffers(rx_ring, count);
1693 rx_ring->next_to_clean = rx_ntc;
1694 tx_ring->next_to_clean = tx_ntc;
1696 return count;
1699 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
1701 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1702 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1703 int i, j, lc, good_cnt, ret_val = 0;
1704 unsigned int size = 1024;
1705 netdev_tx_t tx_ret_val;
1706 struct sk_buff *skb;
1708 /* allocate test skb */
1709 skb = alloc_skb(size, GFP_KERNEL);
1710 if (!skb)
1711 return 11;
1713 /* place data into test skb */
1714 ixgbe_create_lbtest_frame(skb, size);
1715 skb_put(skb, size);
1718 * Calculate the loop count based on the largest descriptor ring
1719 * The idea is to wrap the largest ring a number of times using 64
1720 * send/receive pairs during each loop
1723 if (rx_ring->count <= tx_ring->count)
1724 lc = ((tx_ring->count / 64) * 2) + 1;
1725 else
1726 lc = ((rx_ring->count / 64) * 2) + 1;
1728 for (j = 0; j <= lc; j++) {
1729 /* reset count of good packets */
1730 good_cnt = 0;
1732 /* place 64 packets on the transmit queue*/
1733 for (i = 0; i < 64; i++) {
1734 skb_get(skb);
1735 tx_ret_val = ixgbe_xmit_frame_ring(skb,
1736 adapter,
1737 tx_ring);
1738 if (tx_ret_val == NETDEV_TX_OK)
1739 good_cnt++;
1742 if (good_cnt != 64) {
1743 ret_val = 12;
1744 break;
1747 /* allow 200 milliseconds for packets to go from Tx to Rx */
1748 msleep(200);
1750 good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
1751 if (good_cnt != 64) {
1752 ret_val = 13;
1753 break;
1757 /* free the original skb */
1758 kfree_skb(skb);
1760 return ret_val;
1763 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1765 *data = ixgbe_setup_desc_rings(adapter);
1766 if (*data)
1767 goto out;
1768 *data = ixgbe_setup_loopback_test(adapter);
1769 if (*data)
1770 goto err_loopback;
1771 *data = ixgbe_run_loopback_test(adapter);
1772 ixgbe_loopback_cleanup(adapter);
1774 err_loopback:
1775 ixgbe_free_desc_rings(adapter);
1776 out:
1777 return *data;
1780 static void ixgbe_diag_test(struct net_device *netdev,
1781 struct ethtool_test *eth_test, u64 *data)
1783 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1784 bool if_running = netif_running(netdev);
1786 set_bit(__IXGBE_TESTING, &adapter->state);
1787 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1788 /* Offline tests */
1790 e_info(hw, "offline testing starting\n");
1792 /* Link test performed before hardware reset so autoneg doesn't
1793 * interfere with test result */
1794 if (ixgbe_link_test(adapter, &data[4]))
1795 eth_test->flags |= ETH_TEST_FL_FAILED;
1797 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
1798 int i;
1799 for (i = 0; i < adapter->num_vfs; i++) {
1800 if (adapter->vfinfo[i].clear_to_send) {
1801 netdev_warn(netdev, "%s",
1802 "offline diagnostic is not "
1803 "supported when VFs are "
1804 "present\n");
1805 data[0] = 1;
1806 data[1] = 1;
1807 data[2] = 1;
1808 data[3] = 1;
1809 eth_test->flags |= ETH_TEST_FL_FAILED;
1810 clear_bit(__IXGBE_TESTING,
1811 &adapter->state);
1812 goto skip_ol_tests;
1817 if (if_running)
1818 /* indicate we're in test mode */
1819 dev_close(netdev);
1820 else
1821 ixgbe_reset(adapter);
1823 e_info(hw, "register testing starting\n");
1824 if (ixgbe_reg_test(adapter, &data[0]))
1825 eth_test->flags |= ETH_TEST_FL_FAILED;
1827 ixgbe_reset(adapter);
1828 e_info(hw, "eeprom testing starting\n");
1829 if (ixgbe_eeprom_test(adapter, &data[1]))
1830 eth_test->flags |= ETH_TEST_FL_FAILED;
1832 ixgbe_reset(adapter);
1833 e_info(hw, "interrupt testing starting\n");
1834 if (ixgbe_intr_test(adapter, &data[2]))
1835 eth_test->flags |= ETH_TEST_FL_FAILED;
1837 /* If SRIOV or VMDq is enabled then skip MAC
1838 * loopback diagnostic. */
1839 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
1840 IXGBE_FLAG_VMDQ_ENABLED)) {
1841 e_info(hw, "Skip MAC loopback diagnostic in VT "
1842 "mode\n");
1843 data[3] = 0;
1844 goto skip_loopback;
1847 ixgbe_reset(adapter);
1848 e_info(hw, "loopback testing starting\n");
1849 if (ixgbe_loopback_test(adapter, &data[3]))
1850 eth_test->flags |= ETH_TEST_FL_FAILED;
1852 skip_loopback:
1853 ixgbe_reset(adapter);
1855 clear_bit(__IXGBE_TESTING, &adapter->state);
1856 if (if_running)
1857 dev_open(netdev);
1858 } else {
1859 e_info(hw, "online testing starting\n");
1860 /* Online tests */
1861 if (ixgbe_link_test(adapter, &data[4]))
1862 eth_test->flags |= ETH_TEST_FL_FAILED;
1864 /* Online tests aren't run; pass by default */
1865 data[0] = 0;
1866 data[1] = 0;
1867 data[2] = 0;
1868 data[3] = 0;
1870 clear_bit(__IXGBE_TESTING, &adapter->state);
1872 skip_ol_tests:
1873 msleep_interruptible(4 * 1000);
1876 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
1877 struct ethtool_wolinfo *wol)
1879 struct ixgbe_hw *hw = &adapter->hw;
1880 int retval = 1;
1882 /* WOL not supported except for the following */
1883 switch(hw->device_id) {
1884 case IXGBE_DEV_ID_82599_SFP:
1885 /* Only this subdevice supports WOL */
1886 if (hw->subsystem_device_id != IXGBE_SUBDEV_ID_82599_SFP) {
1887 wol->supported = 0;
1888 break;
1890 retval = 0;
1891 break;
1892 case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
1893 /* All except this subdevice support WOL */
1894 if (hw->subsystem_device_id ==
1895 IXGBE_SUBDEV_ID_82599_KX4_KR_MEZZ) {
1896 wol->supported = 0;
1897 break;
1899 retval = 0;
1900 break;
1901 case IXGBE_DEV_ID_82599_KX4:
1902 retval = 0;
1903 break;
1904 default:
1905 wol->supported = 0;
1908 return retval;
1911 static void ixgbe_get_wol(struct net_device *netdev,
1912 struct ethtool_wolinfo *wol)
1914 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1916 wol->supported = WAKE_UCAST | WAKE_MCAST |
1917 WAKE_BCAST | WAKE_MAGIC;
1918 wol->wolopts = 0;
1920 if (ixgbe_wol_exclusion(adapter, wol) ||
1921 !device_can_wakeup(&adapter->pdev->dev))
1922 return;
1924 if (adapter->wol & IXGBE_WUFC_EX)
1925 wol->wolopts |= WAKE_UCAST;
1926 if (adapter->wol & IXGBE_WUFC_MC)
1927 wol->wolopts |= WAKE_MCAST;
1928 if (adapter->wol & IXGBE_WUFC_BC)
1929 wol->wolopts |= WAKE_BCAST;
1930 if (adapter->wol & IXGBE_WUFC_MAG)
1931 wol->wolopts |= WAKE_MAGIC;
1934 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1936 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1938 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1939 return -EOPNOTSUPP;
1941 if (ixgbe_wol_exclusion(adapter, wol))
1942 return wol->wolopts ? -EOPNOTSUPP : 0;
1944 adapter->wol = 0;
1946 if (wol->wolopts & WAKE_UCAST)
1947 adapter->wol |= IXGBE_WUFC_EX;
1948 if (wol->wolopts & WAKE_MCAST)
1949 adapter->wol |= IXGBE_WUFC_MC;
1950 if (wol->wolopts & WAKE_BCAST)
1951 adapter->wol |= IXGBE_WUFC_BC;
1952 if (wol->wolopts & WAKE_MAGIC)
1953 adapter->wol |= IXGBE_WUFC_MAG;
1955 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1957 return 0;
1960 static int ixgbe_nway_reset(struct net_device *netdev)
1962 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1964 if (netif_running(netdev))
1965 ixgbe_reinit_locked(adapter);
1967 return 0;
1970 static int ixgbe_set_phys_id(struct net_device *netdev,
1971 enum ethtool_phys_id_state state)
1973 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1974 struct ixgbe_hw *hw = &adapter->hw;
1976 switch (state) {
1977 case ETHTOOL_ID_ACTIVE:
1978 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1979 return 2;
1981 case ETHTOOL_ID_ON:
1982 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
1983 break;
1985 case ETHTOOL_ID_OFF:
1986 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
1987 break;
1989 case ETHTOOL_ID_INACTIVE:
1990 /* Restore LED settings */
1991 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
1992 break;
1995 return 0;
1998 static int ixgbe_get_coalesce(struct net_device *netdev,
1999 struct ethtool_coalesce *ec)
2001 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2003 ec->tx_max_coalesced_frames_irq = adapter->tx_work_limit;
2005 /* only valid if in constant ITR mode */
2006 switch (adapter->rx_itr_setting) {
2007 case 0:
2008 /* throttling disabled */
2009 ec->rx_coalesce_usecs = 0;
2010 break;
2011 case 1:
2012 /* dynamic ITR mode */
2013 ec->rx_coalesce_usecs = 1;
2014 break;
2015 default:
2016 /* fixed interrupt rate mode */
2017 ec->rx_coalesce_usecs = 1000000/adapter->rx_eitr_param;
2018 break;
2021 /* if in mixed tx/rx queues per vector mode, report only rx settings */
2022 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2023 return 0;
2025 /* only valid if in constant ITR mode */
2026 switch (adapter->tx_itr_setting) {
2027 case 0:
2028 /* throttling disabled */
2029 ec->tx_coalesce_usecs = 0;
2030 break;
2031 case 1:
2032 /* dynamic ITR mode */
2033 ec->tx_coalesce_usecs = 1;
2034 break;
2035 default:
2036 ec->tx_coalesce_usecs = 1000000/adapter->tx_eitr_param;
2037 break;
2040 return 0;
2044 * this function must be called before setting the new value of
2045 * rx_itr_setting
2047 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter,
2048 struct ethtool_coalesce *ec)
2050 struct net_device *netdev = adapter->netdev;
2052 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE))
2053 return false;
2055 /* if interrupt rate is too high then disable RSC */
2056 if (ec->rx_coalesce_usecs != 1 &&
2057 ec->rx_coalesce_usecs <= 1000000/IXGBE_MAX_RSC_INT_RATE) {
2058 if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2059 e_info(probe, "rx-usecs set too low, "
2060 "disabling RSC\n");
2061 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2062 return true;
2064 } else {
2065 /* check the feature flag value and enable RSC if necessary */
2066 if ((netdev->features & NETIF_F_LRO) &&
2067 !(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2068 e_info(probe, "rx-usecs set to %d, "
2069 "re-enabling RSC\n",
2070 ec->rx_coalesce_usecs);
2071 adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2072 return true;
2075 return false;
2078 static int ixgbe_set_coalesce(struct net_device *netdev,
2079 struct ethtool_coalesce *ec)
2081 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2082 struct ixgbe_q_vector *q_vector;
2083 int i;
2084 bool need_reset = false;
2086 /* don't accept tx specific changes if we've got mixed RxTx vectors */
2087 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count
2088 && ec->tx_coalesce_usecs)
2089 return -EINVAL;
2091 if (ec->tx_max_coalesced_frames_irq)
2092 adapter->tx_work_limit = ec->tx_max_coalesced_frames_irq;
2094 if (ec->rx_coalesce_usecs > 1) {
2095 /* check the limits */
2096 if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
2097 (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
2098 return -EINVAL;
2100 /* check the old value and enable RSC if necessary */
2101 need_reset = ixgbe_update_rsc(adapter, ec);
2103 /* store the value in ints/second */
2104 adapter->rx_eitr_param = 1000000/ec->rx_coalesce_usecs;
2106 /* static value of interrupt rate */
2107 adapter->rx_itr_setting = adapter->rx_eitr_param;
2108 /* clear the lower bit as its used for dynamic state */
2109 adapter->rx_itr_setting &= ~1;
2110 } else if (ec->rx_coalesce_usecs == 1) {
2111 /* check the old value and enable RSC if necessary */
2112 need_reset = ixgbe_update_rsc(adapter, ec);
2114 /* 1 means dynamic mode */
2115 adapter->rx_eitr_param = 20000;
2116 adapter->rx_itr_setting = 1;
2117 } else {
2118 /* check the old value and enable RSC if necessary */
2119 need_reset = ixgbe_update_rsc(adapter, ec);
2121 * any other value means disable eitr, which is best
2122 * served by setting the interrupt rate very high
2124 adapter->rx_eitr_param = IXGBE_MAX_INT_RATE;
2125 adapter->rx_itr_setting = 0;
2128 if (ec->tx_coalesce_usecs > 1) {
2130 * don't have to worry about max_int as above because
2131 * tx vectors don't do hardware RSC (an rx function)
2133 /* check the limits */
2134 if ((1000000/ec->tx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
2135 (1000000/ec->tx_coalesce_usecs < IXGBE_MIN_INT_RATE))
2136 return -EINVAL;
2138 /* store the value in ints/second */
2139 adapter->tx_eitr_param = 1000000/ec->tx_coalesce_usecs;
2141 /* static value of interrupt rate */
2142 adapter->tx_itr_setting = adapter->tx_eitr_param;
2144 /* clear the lower bit as its used for dynamic state */
2145 adapter->tx_itr_setting &= ~1;
2146 } else if (ec->tx_coalesce_usecs == 1) {
2147 /* 1 means dynamic mode */
2148 adapter->tx_eitr_param = 10000;
2149 adapter->tx_itr_setting = 1;
2150 } else {
2151 adapter->tx_eitr_param = IXGBE_MAX_INT_RATE;
2152 adapter->tx_itr_setting = 0;
2155 /* MSI/MSIx Interrupt Mode */
2156 if (adapter->flags &
2157 (IXGBE_FLAG_MSIX_ENABLED | IXGBE_FLAG_MSI_ENABLED)) {
2158 int num_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
2159 for (i = 0; i < num_vectors; i++) {
2160 q_vector = adapter->q_vector[i];
2161 if (q_vector->tx.count && !q_vector->rx.count)
2162 /* tx only */
2163 q_vector->eitr = adapter->tx_eitr_param;
2164 else
2165 /* rx only or mixed */
2166 q_vector->eitr = adapter->rx_eitr_param;
2167 q_vector->tx.work_limit = adapter->tx_work_limit;
2168 ixgbe_write_eitr(q_vector);
2170 /* Legacy Interrupt Mode */
2171 } else {
2172 q_vector = adapter->q_vector[0];
2173 q_vector->eitr = adapter->rx_eitr_param;
2174 q_vector->tx.work_limit = adapter->tx_work_limit;
2175 ixgbe_write_eitr(q_vector);
2179 * do reset here at the end to make sure EITR==0 case is handled
2180 * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2181 * also locks in RSC enable/disable which requires reset
2183 if (need_reset)
2184 ixgbe_do_reset(netdev);
2186 return 0;
2189 static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2190 struct ethtool_rxnfc *cmd)
2192 union ixgbe_atr_input *mask = &adapter->fdir_mask;
2193 struct ethtool_rx_flow_spec *fsp =
2194 (struct ethtool_rx_flow_spec *)&cmd->fs;
2195 struct hlist_node *node, *node2;
2196 struct ixgbe_fdir_filter *rule = NULL;
2198 /* report total rule count */
2199 cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2201 hlist_for_each_entry_safe(rule, node, node2,
2202 &adapter->fdir_filter_list, fdir_node) {
2203 if (fsp->location <= rule->sw_idx)
2204 break;
2207 if (!rule || fsp->location != rule->sw_idx)
2208 return -EINVAL;
2210 /* fill out the flow spec entry */
2212 /* set flow type field */
2213 switch (rule->filter.formatted.flow_type) {
2214 case IXGBE_ATR_FLOW_TYPE_TCPV4:
2215 fsp->flow_type = TCP_V4_FLOW;
2216 break;
2217 case IXGBE_ATR_FLOW_TYPE_UDPV4:
2218 fsp->flow_type = UDP_V4_FLOW;
2219 break;
2220 case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2221 fsp->flow_type = SCTP_V4_FLOW;
2222 break;
2223 case IXGBE_ATR_FLOW_TYPE_IPV4:
2224 fsp->flow_type = IP_USER_FLOW;
2225 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2226 fsp->h_u.usr_ip4_spec.proto = 0;
2227 fsp->m_u.usr_ip4_spec.proto = 0;
2228 break;
2229 default:
2230 return -EINVAL;
2233 fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2234 fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2235 fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2236 fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2237 fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2238 fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2239 fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2240 fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2241 fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2242 fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2243 fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2244 fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2245 fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2246 fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2247 fsp->flow_type |= FLOW_EXT;
2249 /* record action */
2250 if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2251 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2252 else
2253 fsp->ring_cookie = rule->action;
2255 return 0;
2258 static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2259 struct ethtool_rxnfc *cmd,
2260 u32 *rule_locs)
2262 struct hlist_node *node, *node2;
2263 struct ixgbe_fdir_filter *rule;
2264 int cnt = 0;
2266 /* report total rule count */
2267 cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2269 hlist_for_each_entry_safe(rule, node, node2,
2270 &adapter->fdir_filter_list, fdir_node) {
2271 if (cnt == cmd->rule_cnt)
2272 return -EMSGSIZE;
2273 rule_locs[cnt] = rule->sw_idx;
2274 cnt++;
2277 return 0;
2280 static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2281 void *rule_locs)
2283 struct ixgbe_adapter *adapter = netdev_priv(dev);
2284 int ret = -EOPNOTSUPP;
2286 switch (cmd->cmd) {
2287 case ETHTOOL_GRXRINGS:
2288 cmd->data = adapter->num_rx_queues;
2289 ret = 0;
2290 break;
2291 case ETHTOOL_GRXCLSRLCNT:
2292 cmd->rule_cnt = adapter->fdir_filter_count;
2293 ret = 0;
2294 break;
2295 case ETHTOOL_GRXCLSRULE:
2296 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2297 break;
2298 case ETHTOOL_GRXCLSRLALL:
2299 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd,
2300 (u32 *)rule_locs);
2301 break;
2302 default:
2303 break;
2306 return ret;
2309 static int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2310 struct ixgbe_fdir_filter *input,
2311 u16 sw_idx)
2313 struct ixgbe_hw *hw = &adapter->hw;
2314 struct hlist_node *node, *node2, *parent;
2315 struct ixgbe_fdir_filter *rule;
2316 int err = -EINVAL;
2318 parent = NULL;
2319 rule = NULL;
2321 hlist_for_each_entry_safe(rule, node, node2,
2322 &adapter->fdir_filter_list, fdir_node) {
2323 /* hash found, or no matching entry */
2324 if (rule->sw_idx >= sw_idx)
2325 break;
2326 parent = node;
2329 /* if there is an old rule occupying our place remove it */
2330 if (rule && (rule->sw_idx == sw_idx)) {
2331 if (!input || (rule->filter.formatted.bkt_hash !=
2332 input->filter.formatted.bkt_hash)) {
2333 err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2334 &rule->filter,
2335 sw_idx);
2338 hlist_del(&rule->fdir_node);
2339 kfree(rule);
2340 adapter->fdir_filter_count--;
2344 * If no input this was a delete, err should be 0 if a rule was
2345 * successfully found and removed from the list else -EINVAL
2347 if (!input)
2348 return err;
2350 /* initialize node and set software index */
2351 INIT_HLIST_NODE(&input->fdir_node);
2353 /* add filter to the list */
2354 if (parent)
2355 hlist_add_after(parent, &input->fdir_node);
2356 else
2357 hlist_add_head(&input->fdir_node,
2358 &adapter->fdir_filter_list);
2360 /* update counts */
2361 adapter->fdir_filter_count++;
2363 return 0;
2366 static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2367 u8 *flow_type)
2369 switch (fsp->flow_type & ~FLOW_EXT) {
2370 case TCP_V4_FLOW:
2371 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2372 break;
2373 case UDP_V4_FLOW:
2374 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2375 break;
2376 case SCTP_V4_FLOW:
2377 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2378 break;
2379 case IP_USER_FLOW:
2380 switch (fsp->h_u.usr_ip4_spec.proto) {
2381 case IPPROTO_TCP:
2382 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2383 break;
2384 case IPPROTO_UDP:
2385 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2386 break;
2387 case IPPROTO_SCTP:
2388 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2389 break;
2390 case 0:
2391 if (!fsp->m_u.usr_ip4_spec.proto) {
2392 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2393 break;
2395 default:
2396 return 0;
2398 break;
2399 default:
2400 return 0;
2403 return 1;
2406 static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2407 struct ethtool_rxnfc *cmd)
2409 struct ethtool_rx_flow_spec *fsp =
2410 (struct ethtool_rx_flow_spec *)&cmd->fs;
2411 struct ixgbe_hw *hw = &adapter->hw;
2412 struct ixgbe_fdir_filter *input;
2413 union ixgbe_atr_input mask;
2414 int err;
2416 if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2417 return -EOPNOTSUPP;
2420 * Don't allow programming if the action is a queue greater than
2421 * the number of online Rx queues.
2423 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2424 (fsp->ring_cookie >= adapter->num_rx_queues))
2425 return -EINVAL;
2427 /* Don't allow indexes to exist outside of available space */
2428 if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2429 e_err(drv, "Location out of range\n");
2430 return -EINVAL;
2433 input = kzalloc(sizeof(*input), GFP_ATOMIC);
2434 if (!input)
2435 return -ENOMEM;
2437 memset(&mask, 0, sizeof(union ixgbe_atr_input));
2439 /* set SW index */
2440 input->sw_idx = fsp->location;
2442 /* record flow type */
2443 if (!ixgbe_flowspec_to_flow_type(fsp,
2444 &input->filter.formatted.flow_type)) {
2445 e_err(drv, "Unrecognized flow type\n");
2446 goto err_out;
2449 mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
2450 IXGBE_ATR_L4TYPE_MASK;
2452 if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
2453 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
2455 /* Copy input into formatted structures */
2456 input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2457 mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
2458 input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2459 mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
2460 input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
2461 mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
2462 input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
2463 mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
2465 if (fsp->flow_type & FLOW_EXT) {
2466 input->filter.formatted.vm_pool =
2467 (unsigned char)ntohl(fsp->h_ext.data[1]);
2468 mask.formatted.vm_pool =
2469 (unsigned char)ntohl(fsp->m_ext.data[1]);
2470 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
2471 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
2472 input->filter.formatted.flex_bytes =
2473 fsp->h_ext.vlan_etype;
2474 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
2477 /* determine if we need to drop or route the packet */
2478 if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2479 input->action = IXGBE_FDIR_DROP_QUEUE;
2480 else
2481 input->action = fsp->ring_cookie;
2483 spin_lock(&adapter->fdir_perfect_lock);
2485 if (hlist_empty(&adapter->fdir_filter_list)) {
2486 /* save mask and program input mask into HW */
2487 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
2488 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
2489 if (err) {
2490 e_err(drv, "Error writing mask\n");
2491 goto err_out_w_lock;
2493 } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
2494 e_err(drv, "Only one mask supported per port\n");
2495 goto err_out_w_lock;
2498 /* apply mask and compute/store hash */
2499 ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
2501 /* program filters to filter memory */
2502 err = ixgbe_fdir_write_perfect_filter_82599(hw,
2503 &input->filter, input->sw_idx,
2504 (input->action == IXGBE_FDIR_DROP_QUEUE) ?
2505 IXGBE_FDIR_DROP_QUEUE :
2506 adapter->rx_ring[input->action]->reg_idx);
2507 if (err)
2508 goto err_out_w_lock;
2510 ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
2512 spin_unlock(&adapter->fdir_perfect_lock);
2514 return err;
2515 err_out_w_lock:
2516 spin_unlock(&adapter->fdir_perfect_lock);
2517 err_out:
2518 kfree(input);
2519 return -EINVAL;
2522 static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2523 struct ethtool_rxnfc *cmd)
2525 struct ethtool_rx_flow_spec *fsp =
2526 (struct ethtool_rx_flow_spec *)&cmd->fs;
2527 int err;
2529 spin_lock(&adapter->fdir_perfect_lock);
2530 err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, fsp->location);
2531 spin_unlock(&adapter->fdir_perfect_lock);
2533 return err;
2536 static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
2538 struct ixgbe_adapter *adapter = netdev_priv(dev);
2539 int ret = -EOPNOTSUPP;
2541 switch (cmd->cmd) {
2542 case ETHTOOL_SRXCLSRLINS:
2543 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
2544 break;
2545 case ETHTOOL_SRXCLSRLDEL:
2546 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
2547 break;
2548 default:
2549 break;
2552 return ret;
2555 static const struct ethtool_ops ixgbe_ethtool_ops = {
2556 .get_settings = ixgbe_get_settings,
2557 .set_settings = ixgbe_set_settings,
2558 .get_drvinfo = ixgbe_get_drvinfo,
2559 .get_regs_len = ixgbe_get_regs_len,
2560 .get_regs = ixgbe_get_regs,
2561 .get_wol = ixgbe_get_wol,
2562 .set_wol = ixgbe_set_wol,
2563 .nway_reset = ixgbe_nway_reset,
2564 .get_link = ethtool_op_get_link,
2565 .get_eeprom_len = ixgbe_get_eeprom_len,
2566 .get_eeprom = ixgbe_get_eeprom,
2567 .get_ringparam = ixgbe_get_ringparam,
2568 .set_ringparam = ixgbe_set_ringparam,
2569 .get_pauseparam = ixgbe_get_pauseparam,
2570 .set_pauseparam = ixgbe_set_pauseparam,
2571 .get_msglevel = ixgbe_get_msglevel,
2572 .set_msglevel = ixgbe_set_msglevel,
2573 .self_test = ixgbe_diag_test,
2574 .get_strings = ixgbe_get_strings,
2575 .set_phys_id = ixgbe_set_phys_id,
2576 .get_sset_count = ixgbe_get_sset_count,
2577 .get_ethtool_stats = ixgbe_get_ethtool_stats,
2578 .get_coalesce = ixgbe_get_coalesce,
2579 .set_coalesce = ixgbe_set_coalesce,
2580 .get_rxnfc = ixgbe_get_rxnfc,
2581 .set_rxnfc = ixgbe_set_rxnfc,
2584 void ixgbe_set_ethtool_ops(struct net_device *netdev)
2586 SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);