Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[deliverable/linux.git] / drivers / net / ixgbe / ixgbe_ethtool.c
1 /*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
4 Copyright(c) 1999 - 2009 Intel Corporation.
5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25
26 *******************************************************************************/
27
28 /* ethtool support for ixgbe */
29
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/uaccess.h>
37
38 #include "ixgbe.h"
39
40
41 #define IXGBE_ALL_RAR_ENTRIES 16
42
43 struct ixgbe_stats {
44 char stat_string[ETH_GSTRING_LEN];
45 int sizeof_stat;
46 int stat_offset;
47 };
48
49 #define IXGBE_STAT(m) sizeof(((struct ixgbe_adapter *)0)->m), \
50 offsetof(struct ixgbe_adapter, m)
51 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
52 {"rx_packets", IXGBE_STAT(net_stats.rx_packets)},
53 {"tx_packets", IXGBE_STAT(net_stats.tx_packets)},
54 {"rx_bytes", IXGBE_STAT(net_stats.rx_bytes)},
55 {"tx_bytes", IXGBE_STAT(net_stats.tx_bytes)},
56 {"lsc_int", IXGBE_STAT(lsc_int)},
57 {"tx_busy", IXGBE_STAT(tx_busy)},
58 {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
59 {"rx_errors", IXGBE_STAT(net_stats.rx_errors)},
60 {"tx_errors", IXGBE_STAT(net_stats.tx_errors)},
61 {"rx_dropped", IXGBE_STAT(net_stats.rx_dropped)},
62 {"tx_dropped", IXGBE_STAT(net_stats.tx_dropped)},
63 {"multicast", IXGBE_STAT(net_stats.multicast)},
64 {"broadcast", IXGBE_STAT(stats.bprc)},
65 {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
66 {"collisions", IXGBE_STAT(net_stats.collisions)},
67 {"rx_over_errors", IXGBE_STAT(net_stats.rx_over_errors)},
68 {"rx_crc_errors", IXGBE_STAT(net_stats.rx_crc_errors)},
69 {"rx_frame_errors", IXGBE_STAT(net_stats.rx_frame_errors)},
70 {"hw_rsc_count", IXGBE_STAT(rsc_count)},
71 {"rx_fifo_errors", IXGBE_STAT(net_stats.rx_fifo_errors)},
72 {"rx_missed_errors", IXGBE_STAT(net_stats.rx_missed_errors)},
73 {"tx_aborted_errors", IXGBE_STAT(net_stats.tx_aborted_errors)},
74 {"tx_carrier_errors", IXGBE_STAT(net_stats.tx_carrier_errors)},
75 {"tx_fifo_errors", IXGBE_STAT(net_stats.tx_fifo_errors)},
76 {"tx_heartbeat_errors", IXGBE_STAT(net_stats.tx_heartbeat_errors)},
77 {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
78 {"tx_restart_queue", IXGBE_STAT(restart_queue)},
79 {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
80 {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
81 {"tx_tcp4_seg_ctxt", IXGBE_STAT(hw_tso_ctxt)},
82 {"tx_tcp6_seg_ctxt", IXGBE_STAT(hw_tso6_ctxt)},
83 {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
84 {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
85 {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
86 {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
87 {"rx_csum_offload_good", IXGBE_STAT(hw_csum_rx_good)},
88 {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
89 {"tx_csum_offload_ctxt", IXGBE_STAT(hw_csum_tx_good)},
90 {"rx_header_split", IXGBE_STAT(rx_hdr_split)},
91 {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
92 {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
93 {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
94 };
95
96 #define IXGBE_QUEUE_STATS_LEN \
97 ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
98 ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
99 (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
100 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
101 #define IXGBE_PB_STATS_LEN ( \
102 (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
103 IXGBE_FLAG_DCB_ENABLED) ? \
104 (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
105 sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
106 sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
107 sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
108 / sizeof(u64) : 0)
109 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
110 IXGBE_PB_STATS_LEN + \
111 IXGBE_QUEUE_STATS_LEN)
112
113 static int ixgbe_get_settings(struct net_device *netdev,
114 struct ethtool_cmd *ecmd)
115 {
116 struct ixgbe_adapter *adapter = netdev_priv(netdev);
117 struct ixgbe_hw *hw = &adapter->hw;
118 u32 link_speed = 0;
119 bool link_up;
120
121 ecmd->supported = SUPPORTED_10000baseT_Full;
122 ecmd->autoneg = AUTONEG_ENABLE;
123 ecmd->transceiver = XCVR_EXTERNAL;
124 if (hw->phy.media_type == ixgbe_media_type_copper) {
125 ecmd->supported |= (SUPPORTED_1000baseT_Full |
126 SUPPORTED_TP | SUPPORTED_Autoneg);
127
128 ecmd->advertising = (ADVERTISED_TP | ADVERTISED_Autoneg);
129 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
130 ecmd->advertising |= ADVERTISED_10000baseT_Full;
131 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
132 ecmd->advertising |= ADVERTISED_1000baseT_Full;
133 /*
134 * It's possible that phy.autoneg_advertised may not be
135 * set yet. If so display what the default would be -
136 * both 1G and 10G supported.
137 */
138 if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full |
139 ADVERTISED_10000baseT_Full)))
140 ecmd->advertising |= (ADVERTISED_10000baseT_Full |
141 ADVERTISED_1000baseT_Full);
142
143 ecmd->port = PORT_TP;
144 } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
145 /* Set as FIBRE until SERDES defined in kernel */
146 switch (hw->device_id) {
147 case IXGBE_DEV_ID_82598:
148 ecmd->supported |= (SUPPORTED_1000baseT_Full |
149 SUPPORTED_FIBRE);
150 ecmd->advertising = (ADVERTISED_10000baseT_Full |
151 ADVERTISED_1000baseT_Full |
152 ADVERTISED_FIBRE);
153 ecmd->port = PORT_FIBRE;
154 break;
155 case IXGBE_DEV_ID_82598_BX:
156 ecmd->supported = (SUPPORTED_1000baseT_Full |
157 SUPPORTED_FIBRE);
158 ecmd->advertising = (ADVERTISED_1000baseT_Full |
159 ADVERTISED_FIBRE);
160 ecmd->port = PORT_FIBRE;
161 ecmd->autoneg = AUTONEG_DISABLE;
162 break;
163 }
164 } else {
165 ecmd->supported |= SUPPORTED_FIBRE;
166 ecmd->advertising = (ADVERTISED_10000baseT_Full |
167 ADVERTISED_FIBRE);
168 ecmd->port = PORT_FIBRE;
169 ecmd->autoneg = AUTONEG_DISABLE;
170 }
171
172 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
173 if (link_up) {
174 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
175 SPEED_10000 : SPEED_1000;
176 ecmd->duplex = DUPLEX_FULL;
177 } else {
178 ecmd->speed = -1;
179 ecmd->duplex = -1;
180 }
181
182 return 0;
183 }
184
185 static int ixgbe_set_settings(struct net_device *netdev,
186 struct ethtool_cmd *ecmd)
187 {
188 struct ixgbe_adapter *adapter = netdev_priv(netdev);
189 struct ixgbe_hw *hw = &adapter->hw;
190 u32 advertised, old;
191 s32 err;
192
193 switch (hw->phy.media_type) {
194 case ixgbe_media_type_fiber:
195 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
196 (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
197 return -EINVAL;
198 /* in this case we currently only support 10Gb/FULL */
199 break;
200 case ixgbe_media_type_copper:
201 /* 10000/copper and 1000/copper must autoneg
202 * this function does not support any duplex forcing, but can
203 * limit the advertising of the adapter to only 10000 or 1000 */
204 if (ecmd->autoneg == AUTONEG_DISABLE)
205 return -EINVAL;
206
207 old = hw->phy.autoneg_advertised;
208 advertised = 0;
209 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
210 advertised |= IXGBE_LINK_SPEED_10GB_FULL;
211
212 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
213 advertised |= IXGBE_LINK_SPEED_1GB_FULL;
214
215 if (old == advertised)
216 break;
217 /* this sets the link speed and restarts auto-neg */
218 err = hw->mac.ops.setup_link_speed(hw, advertised, true, true);
219 if (err) {
220 DPRINTK(PROBE, INFO,
221 "setup link failed with code %d\n", err);
222 hw->mac.ops.setup_link_speed(hw, old, true, true);
223 }
224 break;
225 default:
226 break;
227 }
228
229 return 0;
230 }
231
232 static void ixgbe_get_pauseparam(struct net_device *netdev,
233 struct ethtool_pauseparam *pause)
234 {
235 struct ixgbe_adapter *adapter = netdev_priv(netdev);
236 struct ixgbe_hw *hw = &adapter->hw;
237
238 /*
239 * Flow Control Autoneg isn't on if
240 * - we didn't ask for it OR
241 * - it failed, we know this by tx & rx being off
242 */
243 if (hw->fc.disable_fc_autoneg ||
244 (hw->fc.current_mode == ixgbe_fc_none))
245 pause->autoneg = 0;
246 else
247 pause->autoneg = 1;
248
249 if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
250 pause->rx_pause = 1;
251 } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
252 pause->tx_pause = 1;
253 } else if (hw->fc.current_mode == ixgbe_fc_full) {
254 pause->rx_pause = 1;
255 pause->tx_pause = 1;
256 }
257 }
258
259 static int ixgbe_set_pauseparam(struct net_device *netdev,
260 struct ethtool_pauseparam *pause)
261 {
262 struct ixgbe_adapter *adapter = netdev_priv(netdev);
263 struct ixgbe_hw *hw = &adapter->hw;
264
265 if (pause->autoneg != AUTONEG_ENABLE)
266 hw->fc.disable_fc_autoneg = true;
267 else
268 hw->fc.disable_fc_autoneg = false;
269
270 if (pause->rx_pause && pause->tx_pause)
271 hw->fc.requested_mode = ixgbe_fc_full;
272 else if (pause->rx_pause && !pause->tx_pause)
273 hw->fc.requested_mode = ixgbe_fc_rx_pause;
274 else if (!pause->rx_pause && pause->tx_pause)
275 hw->fc.requested_mode = ixgbe_fc_tx_pause;
276 else if (!pause->rx_pause && !pause->tx_pause)
277 hw->fc.requested_mode = ixgbe_fc_none;
278 else
279 return -EINVAL;
280
281 hw->mac.ops.setup_fc(hw, 0);
282
283 return 0;
284 }
285
286 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
287 {
288 struct ixgbe_adapter *adapter = netdev_priv(netdev);
289 return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
290 }
291
292 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
293 {
294 struct ixgbe_adapter *adapter = netdev_priv(netdev);
295 if (data)
296 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
297 else
298 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
299
300 if (netif_running(netdev))
301 ixgbe_reinit_locked(adapter);
302 else
303 ixgbe_reset(adapter);
304
305 return 0;
306 }
307
308 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
309 {
310 return (netdev->features & NETIF_F_IP_CSUM) != 0;
311 }
312
313 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
314 {
315 struct ixgbe_adapter *adapter = netdev_priv(netdev);
316
317 if (data) {
318 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
319 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
320 netdev->features |= NETIF_F_SCTP_CSUM;
321 } else {
322 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
323 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
324 netdev->features &= ~NETIF_F_SCTP_CSUM;
325 }
326
327 return 0;
328 }
329
330 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
331 {
332 if (data) {
333 netdev->features |= NETIF_F_TSO;
334 netdev->features |= NETIF_F_TSO6;
335 } else {
336 netif_tx_stop_all_queues(netdev);
337 netdev->features &= ~NETIF_F_TSO;
338 netdev->features &= ~NETIF_F_TSO6;
339 netif_tx_start_all_queues(netdev);
340 }
341 return 0;
342 }
343
344 static u32 ixgbe_get_msglevel(struct net_device *netdev)
345 {
346 struct ixgbe_adapter *adapter = netdev_priv(netdev);
347 return adapter->msg_enable;
348 }
349
350 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
351 {
352 struct ixgbe_adapter *adapter = netdev_priv(netdev);
353 adapter->msg_enable = data;
354 }
355
356 static int ixgbe_get_regs_len(struct net_device *netdev)
357 {
358 #define IXGBE_REGS_LEN 1128
359 return IXGBE_REGS_LEN * sizeof(u32);
360 }
361
362 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
363
364 static void ixgbe_get_regs(struct net_device *netdev,
365 struct ethtool_regs *regs, void *p)
366 {
367 struct ixgbe_adapter *adapter = netdev_priv(netdev);
368 struct ixgbe_hw *hw = &adapter->hw;
369 u32 *regs_buff = p;
370 u8 i;
371
372 memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
373
374 regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
375
376 /* General Registers */
377 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
378 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
379 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
380 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
381 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
382 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
383 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
384 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
385
386 /* NVM Register */
387 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
388 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
389 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
390 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
391 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
392 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
393 regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
394 regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
395 regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
396 regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
397
398 /* Interrupt */
399 /* don't read EICR because it can clear interrupt causes, instead
400 * read EICS which is a shadow but doesn't clear EICR */
401 regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
402 regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
403 regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
404 regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
405 regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
406 regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
407 regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
408 regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
409 regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
410 regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
411 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
412 regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
413
414 /* Flow Control */
415 regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
416 regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
417 regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
418 regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
419 regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
420 for (i = 0; i < 8; i++)
421 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
422 for (i = 0; i < 8; i++)
423 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
424 regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
425 regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
426
427 /* Receive DMA */
428 for (i = 0; i < 64; i++)
429 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
430 for (i = 0; i < 64; i++)
431 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
432 for (i = 0; i < 64; i++)
433 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
434 for (i = 0; i < 64; i++)
435 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
436 for (i = 0; i < 64; i++)
437 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
438 for (i = 0; i < 64; i++)
439 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
440 for (i = 0; i < 16; i++)
441 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
442 for (i = 0; i < 16; i++)
443 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
444 regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
445 for (i = 0; i < 8; i++)
446 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
447 regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
448 regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
449
450 /* Receive */
451 regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
452 regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
453 for (i = 0; i < 16; i++)
454 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
455 for (i = 0; i < 16; i++)
456 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
457 regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
458 regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
459 regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
460 regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
461 regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
462 regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
463 for (i = 0; i < 8; i++)
464 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
465 for (i = 0; i < 8; i++)
466 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
467 regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
468
469 /* Transmit */
470 for (i = 0; i < 32; i++)
471 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
472 for (i = 0; i < 32; i++)
473 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
474 for (i = 0; i < 32; i++)
475 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
476 for (i = 0; i < 32; i++)
477 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
478 for (i = 0; i < 32; i++)
479 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
480 for (i = 0; i < 32; i++)
481 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
482 for (i = 0; i < 32; i++)
483 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
484 for (i = 0; i < 32; i++)
485 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
486 regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
487 for (i = 0; i < 16; i++)
488 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
489 regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
490 for (i = 0; i < 8; i++)
491 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
492 regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
493
494 /* Wake Up */
495 regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
496 regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
497 regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
498 regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
499 regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
500 regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
501 regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
502 regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
503 regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
504
505 regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
506 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
507 regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
508 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
509 for (i = 0; i < 8; i++)
510 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
511 for (i = 0; i < 8; i++)
512 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
513 for (i = 0; i < 8; i++)
514 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
515 for (i = 0; i < 8; i++)
516 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
517 for (i = 0; i < 8; i++)
518 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
519 for (i = 0; i < 8; i++)
520 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
521
522 /* Statistics */
523 regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
524 regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
525 regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
526 regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
527 for (i = 0; i < 8; i++)
528 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
529 regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
530 regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
531 regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
532 regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
533 regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
534 regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
535 regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
536 for (i = 0; i < 8; i++)
537 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
538 for (i = 0; i < 8; i++)
539 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
540 for (i = 0; i < 8; i++)
541 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
542 for (i = 0; i < 8; i++)
543 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
544 regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
545 regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
546 regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
547 regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
548 regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
549 regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
550 regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
551 regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
552 regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
553 regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
554 regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
555 regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
556 for (i = 0; i < 8; i++)
557 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
558 regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
559 regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
560 regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
561 regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
562 regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
563 regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
564 regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
565 regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
566 regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
567 regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
568 regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
569 regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
570 regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
571 regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
572 regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
573 regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
574 regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
575 regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
576 regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
577 for (i = 0; i < 16; i++)
578 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
579 for (i = 0; i < 16; i++)
580 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
581 for (i = 0; i < 16; i++)
582 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
583 for (i = 0; i < 16; i++)
584 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
585
586 /* MAC */
587 regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
588 regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
589 regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
590 regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
591 regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
592 regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
593 regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
594 regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
595 regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
596 regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
597 regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
598 regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
599 regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
600 regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
601 regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
602 regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
603 regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
604 regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
605 regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
606 regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
607 regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
608 regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
609 regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
610 regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
611 regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
612 regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
613 regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
614 regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
615 regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
616 regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
617 regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
618 regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
619 regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
620
621 /* Diagnostic */
622 regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
623 for (i = 0; i < 8; i++)
624 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
625 regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
626 for (i = 0; i < 4; i++)
627 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
628 regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
629 regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
630 for (i = 0; i < 8; i++)
631 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
632 regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
633 for (i = 0; i < 4; i++)
634 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
635 regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
636 regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
637 regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
638 regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
639 regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
640 regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
641 regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
642 regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
643 regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
644 regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
645 regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
646 for (i = 0; i < 8; i++)
647 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
648 regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
649 regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
650 regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
651 regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
652 regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
653 regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
654 regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
655 regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
656 regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
657 }
658
659 static int ixgbe_get_eeprom_len(struct net_device *netdev)
660 {
661 struct ixgbe_adapter *adapter = netdev_priv(netdev);
662 return adapter->hw.eeprom.word_size * 2;
663 }
664
665 static int ixgbe_get_eeprom(struct net_device *netdev,
666 struct ethtool_eeprom *eeprom, u8 *bytes)
667 {
668 struct ixgbe_adapter *adapter = netdev_priv(netdev);
669 struct ixgbe_hw *hw = &adapter->hw;
670 u16 *eeprom_buff;
671 int first_word, last_word, eeprom_len;
672 int ret_val = 0;
673 u16 i;
674
675 if (eeprom->len == 0)
676 return -EINVAL;
677
678 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
679
680 first_word = eeprom->offset >> 1;
681 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
682 eeprom_len = last_word - first_word + 1;
683
684 eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
685 if (!eeprom_buff)
686 return -ENOMEM;
687
688 for (i = 0; i < eeprom_len; i++) {
689 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
690 &eeprom_buff[i])))
691 break;
692 }
693
694 /* Device's eeprom is always little-endian, word addressable */
695 for (i = 0; i < eeprom_len; i++)
696 le16_to_cpus(&eeprom_buff[i]);
697
698 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
699 kfree(eeprom_buff);
700
701 return ret_val;
702 }
703
704 static void ixgbe_get_drvinfo(struct net_device *netdev,
705 struct ethtool_drvinfo *drvinfo)
706 {
707 struct ixgbe_adapter *adapter = netdev_priv(netdev);
708 char firmware_version[32];
709
710 strncpy(drvinfo->driver, ixgbe_driver_name, 32);
711 strncpy(drvinfo->version, ixgbe_driver_version, 32);
712
713 sprintf(firmware_version, "%d.%d-%d",
714 (adapter->eeprom_version & 0xF000) >> 12,
715 (adapter->eeprom_version & 0x0FF0) >> 4,
716 adapter->eeprom_version & 0x000F);
717
718 strncpy(drvinfo->fw_version, firmware_version, 32);
719 strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
720 drvinfo->n_stats = IXGBE_STATS_LEN;
721 drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
722 }
723
724 static void ixgbe_get_ringparam(struct net_device *netdev,
725 struct ethtool_ringparam *ring)
726 {
727 struct ixgbe_adapter *adapter = netdev_priv(netdev);
728 struct ixgbe_ring *tx_ring = adapter->tx_ring;
729 struct ixgbe_ring *rx_ring = adapter->rx_ring;
730
731 ring->rx_max_pending = IXGBE_MAX_RXD;
732 ring->tx_max_pending = IXGBE_MAX_TXD;
733 ring->rx_mini_max_pending = 0;
734 ring->rx_jumbo_max_pending = 0;
735 ring->rx_pending = rx_ring->count;
736 ring->tx_pending = tx_ring->count;
737 ring->rx_mini_pending = 0;
738 ring->rx_jumbo_pending = 0;
739 }
740
741 static int ixgbe_set_ringparam(struct net_device *netdev,
742 struct ethtool_ringparam *ring)
743 {
744 struct ixgbe_adapter *adapter = netdev_priv(netdev);
745 struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
746 int i, err;
747 u32 new_rx_count, new_tx_count;
748 bool need_update = false;
749
750 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
751 return -EINVAL;
752
753 new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
754 new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
755 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
756
757 new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
758 new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
759 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
760
761 if ((new_tx_count == adapter->tx_ring->count) &&
762 (new_rx_count == adapter->rx_ring->count)) {
763 /* nothing to do */
764 return 0;
765 }
766
767 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
768 msleep(1);
769
770 temp_tx_ring = kcalloc(adapter->num_tx_queues,
771 sizeof(struct ixgbe_ring), GFP_KERNEL);
772 if (!temp_tx_ring) {
773 err = -ENOMEM;
774 goto err_setup;
775 }
776
777 if (new_tx_count != adapter->tx_ring_count) {
778 memcpy(temp_tx_ring, adapter->tx_ring,
779 adapter->num_tx_queues * sizeof(struct ixgbe_ring));
780 for (i = 0; i < adapter->num_tx_queues; i++) {
781 temp_tx_ring[i].count = new_tx_count;
782 err = ixgbe_setup_tx_resources(adapter,
783 &temp_tx_ring[i]);
784 if (err) {
785 while (i) {
786 i--;
787 ixgbe_free_tx_resources(adapter,
788 &temp_tx_ring[i]);
789 }
790 goto err_setup;
791 }
792 temp_tx_ring[i].v_idx = adapter->tx_ring[i].v_idx;
793 }
794 need_update = true;
795 }
796
797 temp_rx_ring = kcalloc(adapter->num_rx_queues,
798 sizeof(struct ixgbe_ring), GFP_KERNEL);
799 if ((!temp_rx_ring) && (need_update)) {
800 for (i = 0; i < adapter->num_tx_queues; i++)
801 ixgbe_free_tx_resources(adapter, &temp_tx_ring[i]);
802 kfree(temp_tx_ring);
803 err = -ENOMEM;
804 goto err_setup;
805 }
806
807 if (new_rx_count != adapter->rx_ring_count) {
808 memcpy(temp_rx_ring, adapter->rx_ring,
809 adapter->num_rx_queues * sizeof(struct ixgbe_ring));
810 for (i = 0; i < adapter->num_rx_queues; i++) {
811 temp_rx_ring[i].count = new_rx_count;
812 err = ixgbe_setup_rx_resources(adapter,
813 &temp_rx_ring[i]);
814 if (err) {
815 while (i) {
816 i--;
817 ixgbe_free_rx_resources(adapter,
818 &temp_rx_ring[i]);
819 }
820 goto err_setup;
821 }
822 temp_rx_ring[i].v_idx = adapter->rx_ring[i].v_idx;
823 }
824 need_update = true;
825 }
826
827 /* if rings need to be updated, here's the place to do it in one shot */
828 if (need_update) {
829 if (netif_running(netdev))
830 ixgbe_down(adapter);
831
832 /* tx */
833 if (new_tx_count != adapter->tx_ring_count) {
834 kfree(adapter->tx_ring);
835 adapter->tx_ring = temp_tx_ring;
836 temp_tx_ring = NULL;
837 adapter->tx_ring_count = new_tx_count;
838 }
839
840 /* rx */
841 if (new_rx_count != adapter->rx_ring_count) {
842 kfree(adapter->rx_ring);
843 adapter->rx_ring = temp_rx_ring;
844 temp_rx_ring = NULL;
845 adapter->rx_ring_count = new_rx_count;
846 }
847 }
848
849 /* success! */
850 err = 0;
851 if (netif_running(netdev))
852 ixgbe_up(adapter);
853
854 err_setup:
855 clear_bit(__IXGBE_RESETTING, &adapter->state);
856 return err;
857 }
858
859 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
860 {
861 switch (sset) {
862 case ETH_SS_STATS:
863 return IXGBE_STATS_LEN;
864 default:
865 return -EOPNOTSUPP;
866 }
867 }
868
869 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
870 struct ethtool_stats *stats, u64 *data)
871 {
872 struct ixgbe_adapter *adapter = netdev_priv(netdev);
873 u64 *queue_stat;
874 int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
875 int j, k;
876 int i;
877
878 ixgbe_update_stats(adapter);
879 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
880 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
881 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
882 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
883 }
884 for (j = 0; j < adapter->num_tx_queues; j++) {
885 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
886 for (k = 0; k < stat_count; k++)
887 data[i + k] = queue_stat[k];
888 i += k;
889 }
890 for (j = 0; j < adapter->num_rx_queues; j++) {
891 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
892 for (k = 0; k < stat_count; k++)
893 data[i + k] = queue_stat[k];
894 i += k;
895 }
896 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
897 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
898 data[i++] = adapter->stats.pxontxc[j];
899 data[i++] = adapter->stats.pxofftxc[j];
900 }
901 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
902 data[i++] = adapter->stats.pxonrxc[j];
903 data[i++] = adapter->stats.pxoffrxc[j];
904 }
905 }
906 }
907
908 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
909 u8 *data)
910 {
911 struct ixgbe_adapter *adapter = netdev_priv(netdev);
912 char *p = (char *)data;
913 int i;
914
915 switch (stringset) {
916 case ETH_SS_STATS:
917 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
918 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
919 ETH_GSTRING_LEN);
920 p += ETH_GSTRING_LEN;
921 }
922 for (i = 0; i < adapter->num_tx_queues; i++) {
923 sprintf(p, "tx_queue_%u_packets", i);
924 p += ETH_GSTRING_LEN;
925 sprintf(p, "tx_queue_%u_bytes", i);
926 p += ETH_GSTRING_LEN;
927 }
928 for (i = 0; i < adapter->num_rx_queues; i++) {
929 sprintf(p, "rx_queue_%u_packets", i);
930 p += ETH_GSTRING_LEN;
931 sprintf(p, "rx_queue_%u_bytes", i);
932 p += ETH_GSTRING_LEN;
933 }
934 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
935 for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
936 sprintf(p, "tx_pb_%u_pxon", i);
937 p += ETH_GSTRING_LEN;
938 sprintf(p, "tx_pb_%u_pxoff", i);
939 p += ETH_GSTRING_LEN;
940 }
941 for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
942 sprintf(p, "rx_pb_%u_pxon", i);
943 p += ETH_GSTRING_LEN;
944 sprintf(p, "rx_pb_%u_pxoff", i);
945 p += ETH_GSTRING_LEN;
946 }
947 }
948 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
949 break;
950 }
951 }
952
953
954 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
955 struct ethtool_wolinfo *wol)
956 {
957 struct ixgbe_hw *hw = &adapter->hw;
958 int retval = 1;
959
960 switch(hw->device_id) {
961 case IXGBE_DEV_ID_82599_KX4:
962 retval = 0;
963 break;
964 default:
965 wol->supported = 0;
966 retval = 0;
967 }
968
969 return retval;
970 }
971
972 static void ixgbe_get_wol(struct net_device *netdev,
973 struct ethtool_wolinfo *wol)
974 {
975 struct ixgbe_adapter *adapter = netdev_priv(netdev);
976
977 wol->supported = WAKE_UCAST | WAKE_MCAST |
978 WAKE_BCAST | WAKE_MAGIC;
979 wol->wolopts = 0;
980
981 if (ixgbe_wol_exclusion(adapter, wol) ||
982 !device_can_wakeup(&adapter->pdev->dev))
983 return;
984
985 if (adapter->wol & IXGBE_WUFC_EX)
986 wol->wolopts |= WAKE_UCAST;
987 if (adapter->wol & IXGBE_WUFC_MC)
988 wol->wolopts |= WAKE_MCAST;
989 if (adapter->wol & IXGBE_WUFC_BC)
990 wol->wolopts |= WAKE_BCAST;
991 if (adapter->wol & IXGBE_WUFC_MAG)
992 wol->wolopts |= WAKE_MAGIC;
993
994 return;
995 }
996
997 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
998 {
999 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1000
1001 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1002 return -EOPNOTSUPP;
1003
1004 if (ixgbe_wol_exclusion(adapter, wol))
1005 return wol->wolopts ? -EOPNOTSUPP : 0;
1006
1007 adapter->wol = 0;
1008
1009 if (wol->wolopts & WAKE_UCAST)
1010 adapter->wol |= IXGBE_WUFC_EX;
1011 if (wol->wolopts & WAKE_MCAST)
1012 adapter->wol |= IXGBE_WUFC_MC;
1013 if (wol->wolopts & WAKE_BCAST)
1014 adapter->wol |= IXGBE_WUFC_BC;
1015 if (wol->wolopts & WAKE_MAGIC)
1016 adapter->wol |= IXGBE_WUFC_MAG;
1017
1018 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1019
1020 return 0;
1021 }
1022
1023 static int ixgbe_nway_reset(struct net_device *netdev)
1024 {
1025 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1026
1027 if (netif_running(netdev))
1028 ixgbe_reinit_locked(adapter);
1029
1030 return 0;
1031 }
1032
1033 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
1034 {
1035 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1036 struct ixgbe_hw *hw = &adapter->hw;
1037 u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1038 u32 i;
1039
1040 if (!data || data > 300)
1041 data = 300;
1042
1043 for (i = 0; i < (data * 1000); i += 400) {
1044 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
1045 msleep_interruptible(200);
1046 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
1047 msleep_interruptible(200);
1048 }
1049
1050 /* Restore LED settings */
1051 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
1052
1053 return 0;
1054 }
1055
1056 static int ixgbe_get_coalesce(struct net_device *netdev,
1057 struct ethtool_coalesce *ec)
1058 {
1059 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1060
1061 ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
1062
1063 /* only valid if in constant ITR mode */
1064 switch (adapter->itr_setting) {
1065 case 0:
1066 /* throttling disabled */
1067 ec->rx_coalesce_usecs = 0;
1068 break;
1069 case 1:
1070 /* dynamic ITR mode */
1071 ec->rx_coalesce_usecs = 1;
1072 break;
1073 default:
1074 /* fixed interrupt rate mode */
1075 ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
1076 break;
1077 }
1078 return 0;
1079 }
1080
1081 static int ixgbe_set_coalesce(struct net_device *netdev,
1082 struct ethtool_coalesce *ec)
1083 {
1084 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1085 int i;
1086
1087 if (ec->tx_max_coalesced_frames_irq)
1088 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
1089
1090 if (ec->rx_coalesce_usecs > 1) {
1091 /* check the limits */
1092 if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
1093 (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
1094 return -EINVAL;
1095
1096 /* store the value in ints/second */
1097 adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
1098
1099 /* static value of interrupt rate */
1100 adapter->itr_setting = adapter->eitr_param;
1101 /* clear the lower bit as its used for dynamic state */
1102 adapter->itr_setting &= ~1;
1103 } else if (ec->rx_coalesce_usecs == 1) {
1104 /* 1 means dynamic mode */
1105 adapter->eitr_param = 20000;
1106 adapter->itr_setting = 1;
1107 } else {
1108 /*
1109 * any other value means disable eitr, which is best
1110 * served by setting the interrupt rate very high
1111 */
1112 adapter->eitr_param = IXGBE_MAX_INT_RATE;
1113 adapter->itr_setting = 0;
1114 }
1115
1116 for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
1117 struct ixgbe_q_vector *q_vector = &adapter->q_vector[i];
1118 if (q_vector->txr_count && !q_vector->rxr_count)
1119 /* tx vector gets half the rate */
1120 q_vector->eitr = (adapter->eitr_param >> 1);
1121 else
1122 /* rx only or mixed */
1123 q_vector->eitr = adapter->eitr_param;
1124 ixgbe_write_eitr(adapter, i,
1125 EITR_INTS_PER_SEC_TO_REG(q_vector->eitr));
1126 }
1127
1128 return 0;
1129 }
1130
1131 static int ixgbe_set_flags(struct net_device *netdev, u32 data)
1132 {
1133 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1134
1135 ethtool_op_set_flags(netdev, data);
1136
1137 if (!(adapter->flags & IXGBE_FLAG_RSC_CAPABLE))
1138 return 0;
1139
1140 /* if state changes we need to update adapter->flags and reset */
1141 if ((!!(data & ETH_FLAG_LRO)) !=
1142 (!!(adapter->flags & IXGBE_FLAG_RSC_ENABLED))) {
1143 adapter->flags ^= IXGBE_FLAG_RSC_ENABLED;
1144 if (netif_running(netdev))
1145 ixgbe_reinit_locked(adapter);
1146 else
1147 ixgbe_reset(adapter);
1148 }
1149 return 0;
1150
1151 }
1152
1153 static const struct ethtool_ops ixgbe_ethtool_ops = {
1154 .get_settings = ixgbe_get_settings,
1155 .set_settings = ixgbe_set_settings,
1156 .get_drvinfo = ixgbe_get_drvinfo,
1157 .get_regs_len = ixgbe_get_regs_len,
1158 .get_regs = ixgbe_get_regs,
1159 .get_wol = ixgbe_get_wol,
1160 .set_wol = ixgbe_set_wol,
1161 .nway_reset = ixgbe_nway_reset,
1162 .get_link = ethtool_op_get_link,
1163 .get_eeprom_len = ixgbe_get_eeprom_len,
1164 .get_eeprom = ixgbe_get_eeprom,
1165 .get_ringparam = ixgbe_get_ringparam,
1166 .set_ringparam = ixgbe_set_ringparam,
1167 .get_pauseparam = ixgbe_get_pauseparam,
1168 .set_pauseparam = ixgbe_set_pauseparam,
1169 .get_rx_csum = ixgbe_get_rx_csum,
1170 .set_rx_csum = ixgbe_set_rx_csum,
1171 .get_tx_csum = ixgbe_get_tx_csum,
1172 .set_tx_csum = ixgbe_set_tx_csum,
1173 .get_sg = ethtool_op_get_sg,
1174 .set_sg = ethtool_op_set_sg,
1175 .get_msglevel = ixgbe_get_msglevel,
1176 .set_msglevel = ixgbe_set_msglevel,
1177 .get_tso = ethtool_op_get_tso,
1178 .set_tso = ixgbe_set_tso,
1179 .get_strings = ixgbe_get_strings,
1180 .phys_id = ixgbe_phys_id,
1181 .get_sset_count = ixgbe_get_sset_count,
1182 .get_ethtool_stats = ixgbe_get_ethtool_stats,
1183 .get_coalesce = ixgbe_get_coalesce,
1184 .set_coalesce = ixgbe_set_coalesce,
1185 .get_flags = ethtool_op_get_flags,
1186 .set_flags = ixgbe_set_flags,
1187 };
1188
1189 void ixgbe_set_ethtool_ops(struct net_device *netdev)
1190 {
1191 SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
1192 }
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