ixgbe: add LRO support
[linux-2.6.git] / drivers / net / ixgbe / ixgbe_ethtool.c
1 /*******************************************************************************
2
3   Intel 10 Gigabit PCI Express Linux driver
4   Copyright(c) 1999 - 2007 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   Linux NICS <linux.nics@intel.com>
24   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27 *******************************************************************************/
28
29 /* ethtool support for ixgbe */
30
31 #include <linux/types.h>
32 #include <linux/module.h>
33 #include <linux/pci.h>
34 #include <linux/netdevice.h>
35 #include <linux/ethtool.h>
36 #include <linux/vmalloc.h>
37 #include <linux/uaccess.h>
38
39 #include "ixgbe.h"
40
41
42 #define IXGBE_ALL_RAR_ENTRIES 16
43
44 struct ixgbe_stats {
45         char stat_string[ETH_GSTRING_LEN];
46         int sizeof_stat;
47         int stat_offset;
48 };
49
50 #define IXGBE_STAT(m) sizeof(((struct ixgbe_adapter *)0)->m), \
51                       offsetof(struct ixgbe_adapter, m)
52 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
53         {"rx_packets", IXGBE_STAT(net_stats.rx_packets)},
54         {"tx_packets", IXGBE_STAT(net_stats.tx_packets)},
55         {"rx_bytes", IXGBE_STAT(net_stats.rx_bytes)},
56         {"tx_bytes", IXGBE_STAT(net_stats.tx_bytes)},
57         {"lsc_int", IXGBE_STAT(lsc_int)},
58         {"tx_busy", IXGBE_STAT(tx_busy)},
59         {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
60         {"rx_errors", IXGBE_STAT(net_stats.rx_errors)},
61         {"tx_errors", IXGBE_STAT(net_stats.tx_errors)},
62         {"rx_dropped", IXGBE_STAT(net_stats.rx_dropped)},
63         {"tx_dropped", IXGBE_STAT(net_stats.tx_dropped)},
64         {"multicast", IXGBE_STAT(net_stats.multicast)},
65         {"broadcast", IXGBE_STAT(stats.bprc)},
66         {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
67         {"collisions", IXGBE_STAT(net_stats.collisions)},
68         {"rx_over_errors", IXGBE_STAT(net_stats.rx_over_errors)},
69         {"rx_crc_errors", IXGBE_STAT(net_stats.rx_crc_errors)},
70         {"rx_frame_errors", IXGBE_STAT(net_stats.rx_frame_errors)},
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         {"lro_aggregated", IXGBE_STAT(lro_aggregated)},
94         {"lro_flushed", IXGBE_STAT(lro_flushed)},
95 };
96
97 #define IXGBE_QUEUE_STATS_LEN \
98                 ((((struct ixgbe_adapter *)netdev->priv)->num_tx_queues + \
99                  ((struct ixgbe_adapter *)netdev->priv)->num_rx_queues) * \
100                  (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
101 #define IXGBE_GLOBAL_STATS_LEN  ARRAY_SIZE(ixgbe_gstrings_stats)
102 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + IXGBE_QUEUE_STATS_LEN)
103
104 static int ixgbe_get_settings(struct net_device *netdev,
105                               struct ethtool_cmd *ecmd)
106 {
107         struct ixgbe_adapter *adapter = netdev_priv(netdev);
108         struct ixgbe_hw *hw = &adapter->hw;
109         u32 link_speed = 0;
110         bool link_up;
111
112         ecmd->supported = SUPPORTED_10000baseT_Full;
113         ecmd->autoneg = AUTONEG_ENABLE;
114         ecmd->transceiver = XCVR_EXTERNAL;
115         if (hw->phy.media_type == ixgbe_media_type_copper) {
116                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
117                                     SUPPORTED_TP | SUPPORTED_Autoneg);
118
119                 ecmd->advertising = (ADVERTISED_TP | ADVERTISED_Autoneg);
120                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
121                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
122                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
123                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
124
125                 ecmd->port = PORT_TP;
126         } else {
127                 ecmd->supported |= SUPPORTED_FIBRE;
128                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
129                                      ADVERTISED_FIBRE);
130                 ecmd->port = PORT_FIBRE;
131         }
132
133         adapter->hw.mac.ops.check_link(hw, &(link_speed), &link_up);
134         if (link_up) {
135                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
136                                 SPEED_10000 : SPEED_1000;
137                 ecmd->duplex = DUPLEX_FULL;
138         } else {
139                 ecmd->speed = -1;
140                 ecmd->duplex = -1;
141         }
142
143         return 0;
144 }
145
146 static int ixgbe_set_settings(struct net_device *netdev,
147                               struct ethtool_cmd *ecmd)
148 {
149         struct ixgbe_adapter *adapter = netdev_priv(netdev);
150         struct ixgbe_hw *hw = &adapter->hw;
151
152         switch (hw->phy.media_type) {
153         case ixgbe_media_type_fiber:
154                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
155                     (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
156                         return -EINVAL;
157                 /* in this case we currently only support 10Gb/FULL */
158                 break;
159         default:
160                 break;
161         }
162
163         return 0;
164 }
165
166 static void ixgbe_get_pauseparam(struct net_device *netdev,
167                                  struct ethtool_pauseparam *pause)
168 {
169         struct ixgbe_adapter *adapter = netdev_priv(netdev);
170         struct ixgbe_hw *hw = &adapter->hw;
171
172         pause->autoneg = (hw->fc.type == ixgbe_fc_full ? 1 : 0);
173
174         if (hw->fc.type == ixgbe_fc_rx_pause) {
175                 pause->rx_pause = 1;
176         } else if (hw->fc.type == ixgbe_fc_tx_pause) {
177                 pause->tx_pause = 1;
178         } else if (hw->fc.type == ixgbe_fc_full) {
179                 pause->rx_pause = 1;
180                 pause->tx_pause = 1;
181         }
182 }
183
184 static int ixgbe_set_pauseparam(struct net_device *netdev,
185                                 struct ethtool_pauseparam *pause)
186 {
187         struct ixgbe_adapter *adapter = netdev_priv(netdev);
188         struct ixgbe_hw *hw = &adapter->hw;
189
190         if ((pause->autoneg == AUTONEG_ENABLE) ||
191             (pause->rx_pause && pause->tx_pause))
192                 hw->fc.type = ixgbe_fc_full;
193         else if (pause->rx_pause && !pause->tx_pause)
194                 hw->fc.type = ixgbe_fc_rx_pause;
195         else if (!pause->rx_pause && pause->tx_pause)
196                 hw->fc.type = ixgbe_fc_tx_pause;
197         else if (!pause->rx_pause && !pause->tx_pause)
198                 hw->fc.type = ixgbe_fc_none;
199         else
200                 return -EINVAL;
201
202         hw->fc.original_type = hw->fc.type;
203
204         if (netif_running(netdev))
205                 ixgbe_reinit_locked(adapter);
206         else
207                 ixgbe_reset(adapter);
208
209         return 0;
210 }
211
212 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
213 {
214         struct ixgbe_adapter *adapter = netdev_priv(netdev);
215         return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
216 }
217
218 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
219 {
220         struct ixgbe_adapter *adapter = netdev_priv(netdev);
221         if (data)
222                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
223         else
224                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
225
226         if (netif_running(netdev))
227                 ixgbe_reinit_locked(adapter);
228         else
229                 ixgbe_reset(adapter);
230
231         return 0;
232 }
233
234 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
235 {
236         return (netdev->features & NETIF_F_HW_CSUM) != 0;
237 }
238
239 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
240 {
241         if (data)
242                 netdev->features |= NETIF_F_HW_CSUM;
243         else
244                 netdev->features &= ~NETIF_F_HW_CSUM;
245
246         return 0;
247 }
248
249 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
250 {
251         if (data) {
252                 netdev->features |= NETIF_F_TSO;
253                 netdev->features |= NETIF_F_TSO6;
254         } else {
255 #ifdef CONFIG_NETDEVICES_MULTIQUEUE
256                 struct ixgbe_adapter *adapter = netdev_priv(netdev);
257                 int i;
258 #endif
259                 netif_stop_queue(netdev);
260 #ifdef CONFIG_NETDEVICES_MULTIQUEUE
261                 for (i = 0; i < adapter->num_tx_queues; i++)
262                         netif_stop_subqueue(netdev, i);
263 #endif
264                 netdev->features &= ~NETIF_F_TSO;
265                 netdev->features &= ~NETIF_F_TSO6;
266 #ifdef CONFIG_NETDEVICES_MULTIQUEUE
267                 for (i = 0; i < adapter->num_tx_queues; i++)
268                         netif_start_subqueue(netdev, i);
269 #endif
270                 netif_start_queue(netdev);
271         }
272         return 0;
273 }
274
275 static u32 ixgbe_get_msglevel(struct net_device *netdev)
276 {
277         struct ixgbe_adapter *adapter = netdev_priv(netdev);
278         return adapter->msg_enable;
279 }
280
281 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
282 {
283         struct ixgbe_adapter *adapter = netdev_priv(netdev);
284         adapter->msg_enable = data;
285 }
286
287 static int ixgbe_get_regs_len(struct net_device *netdev)
288 {
289 #define IXGBE_REGS_LEN  1128
290         return IXGBE_REGS_LEN * sizeof(u32);
291 }
292
293 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
294
295 static void ixgbe_get_regs(struct net_device *netdev,
296                            struct ethtool_regs *regs, void *p)
297 {
298         struct ixgbe_adapter *adapter = netdev_priv(netdev);
299         struct ixgbe_hw *hw = &adapter->hw;
300         u32 *regs_buff = p;
301         u8 i;
302
303         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
304
305         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
306
307         /* General Registers */
308         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
309         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
310         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
311         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
312         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
313         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
314         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
315         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
316
317         /* NVM Register */
318         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
319         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
320         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
321         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
322         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
323         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
324         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
325         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
326         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
327         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
328
329         /* Interrupt */
330         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICR);
331         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
332         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
333         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
334         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
335         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
336         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
337         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
338         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
339         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
340         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL);
341         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
342
343         /* Flow Control */
344         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
345         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
346         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
347         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
348         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
349         for (i = 0; i < 8; i++)
350                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
351         for (i = 0; i < 8; i++)
352                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
353         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
354         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
355
356         /* Receive DMA */
357         for (i = 0; i < 64; i++)
358                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
359         for (i = 0; i < 64; i++)
360                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
361         for (i = 0; i < 64; i++)
362                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
363         for (i = 0; i < 64; i++)
364                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
365         for (i = 0; i < 64; i++)
366                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
367         for (i = 0; i < 64; i++)
368                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
369         for (i = 0; i < 16; i++)
370                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
371         for (i = 0; i < 16; i++)
372                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
373         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
374         for (i = 0; i < 8; i++)
375                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
376         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
377         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
378
379         /* Receive */
380         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
381         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
382         for (i = 0; i < 16; i++)
383                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
384         for (i = 0; i < 16; i++)
385                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
386         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE);
387         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
388         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
389         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
390         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
391         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
392         for (i = 0; i < 8; i++)
393                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
394         for (i = 0; i < 8; i++)
395                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
396         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
397
398         /* Transmit */
399         for (i = 0; i < 32; i++)
400                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
401         for (i = 0; i < 32; i++)
402                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
403         for (i = 0; i < 32; i++)
404                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
405         for (i = 0; i < 32; i++)
406                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
407         for (i = 0; i < 32; i++)
408                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
409         for (i = 0; i < 32; i++)
410                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
411         for (i = 0; i < 32; i++)
412                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
413         for (i = 0; i < 32; i++)
414                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
415         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
416         for (i = 0; i < 16; i++)
417                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
418         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
419         for (i = 0; i < 8; i++)
420                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
421         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
422
423         /* Wake Up */
424         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
425         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
426         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
427         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
428         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
429         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
430         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
431         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
432         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT);
433
434         /* DCE */
435         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
436         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
437         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
438         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
439         for (i = 0; i < 8; i++)
440                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
441         for (i = 0; i < 8; i++)
442                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
443         for (i = 0; i < 8; i++)
444                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
445         for (i = 0; i < 8; i++)
446                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
447         for (i = 0; i < 8; i++)
448                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
449         for (i = 0; i < 8; i++)
450                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
451
452         /* Statistics */
453         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
454         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
455         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
456         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
457         for (i = 0; i < 8; i++)
458                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
459         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
460         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
461         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
462         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
463         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
464         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
465         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
466         for (i = 0; i < 8; i++)
467                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
468         for (i = 0; i < 8; i++)
469                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
470         for (i = 0; i < 8; i++)
471                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
472         for (i = 0; i < 8; i++)
473                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
474         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
475         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
476         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
477         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
478         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
479         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
480         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
481         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
482         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
483         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
484         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
485         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
486         for (i = 0; i < 8; i++)
487                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
488         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
489         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
490         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
491         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
492         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
493         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
494         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
495         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
496         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
497         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
498         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
499         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
500         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
501         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
502         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
503         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
504         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
505         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
506         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
507         for (i = 0; i < 16; i++)
508                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
509         for (i = 0; i < 16; i++)
510                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
511         for (i = 0; i < 16; i++)
512                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
513         for (i = 0; i < 16; i++)
514                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
515
516         /* MAC */
517         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
518         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
519         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
520         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
521         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
522         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
523         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
524         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
525         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
526         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
527         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
528         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
529         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
530         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
531         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
532         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
533         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
534         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
535         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
536         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
537         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
538         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
539         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
540         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
541         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
542         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
543         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
544         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
545         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
546         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
547         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
548         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
549         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
550
551         /* Diagnostic */
552         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
553         for (i = 0; i < 8; i++)
554                 regs_buff[1072] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
555         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
556         regs_buff[1081] = IXGBE_READ_REG(hw, IXGBE_RIC_DW0);
557         regs_buff[1082] = IXGBE_READ_REG(hw, IXGBE_RIC_DW1);
558         regs_buff[1083] = IXGBE_READ_REG(hw, IXGBE_RIC_DW2);
559         regs_buff[1084] = IXGBE_READ_REG(hw, IXGBE_RIC_DW3);
560         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
561         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
562         for (i = 0; i < 8; i++)
563                 regs_buff[1087] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
564         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
565         regs_buff[1096] = IXGBE_READ_REG(hw, IXGBE_TIC_DW0);
566         regs_buff[1097] = IXGBE_READ_REG(hw, IXGBE_TIC_DW1);
567         regs_buff[1098] = IXGBE_READ_REG(hw, IXGBE_TIC_DW2);
568         regs_buff[1099] = IXGBE_READ_REG(hw, IXGBE_TIC_DW3);
569         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
570         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
571         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
572         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
573         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
574         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
575         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
576         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
577         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
578         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
579         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
580         for (i = 0; i < 8; i++)
581                 regs_buff[1111] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
582         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
583         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
584         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
585         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
586         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
587         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
588         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
589         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
590         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
591 }
592
593 static int ixgbe_get_eeprom_len(struct net_device *netdev)
594 {
595         struct ixgbe_adapter *adapter = netdev_priv(netdev);
596         return adapter->hw.eeprom.word_size * 2;
597 }
598
599 static int ixgbe_get_eeprom(struct net_device *netdev,
600                             struct ethtool_eeprom *eeprom, u8 *bytes)
601 {
602         struct ixgbe_adapter *adapter = netdev_priv(netdev);
603         struct ixgbe_hw *hw = &adapter->hw;
604         u16 *eeprom_buff;
605         int first_word, last_word, eeprom_len;
606         int ret_val = 0;
607         u16 i;
608
609         if (eeprom->len == 0)
610                 return -EINVAL;
611
612         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
613
614         first_word = eeprom->offset >> 1;
615         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
616         eeprom_len = last_word - first_word + 1;
617
618         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
619         if (!eeprom_buff)
620                 return -ENOMEM;
621
622         for (i = 0; i < eeprom_len; i++) {
623                 if ((ret_val = ixgbe_read_eeprom(hw, first_word + i,
624                                                  &eeprom_buff[i])))
625                         break;
626         }
627
628         /* Device's eeprom is always little-endian, word addressable */
629         for (i = 0; i < eeprom_len; i++)
630                 le16_to_cpus(&eeprom_buff[i]);
631
632         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
633         kfree(eeprom_buff);
634
635         return ret_val;
636 }
637
638 static void ixgbe_get_drvinfo(struct net_device *netdev,
639                               struct ethtool_drvinfo *drvinfo)
640 {
641         struct ixgbe_adapter *adapter = netdev_priv(netdev);
642
643         strncpy(drvinfo->driver, ixgbe_driver_name, 32);
644         strncpy(drvinfo->version, ixgbe_driver_version, 32);
645         strncpy(drvinfo->fw_version, "N/A", 32);
646         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
647         drvinfo->n_stats = IXGBE_STATS_LEN;
648         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
649 }
650
651 static void ixgbe_get_ringparam(struct net_device *netdev,
652                                 struct ethtool_ringparam *ring)
653 {
654         struct ixgbe_adapter *adapter = netdev_priv(netdev);
655         struct ixgbe_ring *tx_ring = adapter->tx_ring;
656         struct ixgbe_ring *rx_ring = adapter->rx_ring;
657
658         ring->rx_max_pending = IXGBE_MAX_RXD;
659         ring->tx_max_pending = IXGBE_MAX_TXD;
660         ring->rx_mini_max_pending = 0;
661         ring->rx_jumbo_max_pending = 0;
662         ring->rx_pending = rx_ring->count;
663         ring->tx_pending = tx_ring->count;
664         ring->rx_mini_pending = 0;
665         ring->rx_jumbo_pending = 0;
666 }
667
668 static int ixgbe_set_ringparam(struct net_device *netdev,
669                                struct ethtool_ringparam *ring)
670 {
671         struct ixgbe_adapter *adapter = netdev_priv(netdev);
672         struct ixgbe_tx_buffer *old_buf;
673         struct ixgbe_rx_buffer *old_rx_buf;
674         void *old_desc;
675         int i, err;
676         u32 new_rx_count, new_tx_count, old_size;
677         dma_addr_t old_dma;
678
679         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
680                 return -EINVAL;
681
682         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
683         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
684         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
685
686         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
687         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
688         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
689
690         if ((new_tx_count == adapter->tx_ring->count) &&
691             (new_rx_count == adapter->rx_ring->count)) {
692                 /* nothing to do */
693                 return 0;
694         }
695
696         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
697                 msleep(1);
698
699         if (netif_running(netdev))
700                 ixgbe_down(adapter);
701
702         /*
703          * We can't just free everything and then setup again,
704          * because the ISRs in MSI-X mode get passed pointers
705          * to the tx and rx ring structs.
706          */
707         if (new_tx_count != adapter->tx_ring->count) {
708                 for (i = 0; i < adapter->num_tx_queues; i++) {
709                         /* Save existing descriptor ring */
710                         old_buf = adapter->tx_ring[i].tx_buffer_info;
711                         old_desc = adapter->tx_ring[i].desc;
712                         old_size = adapter->tx_ring[i].size;
713                         old_dma = adapter->tx_ring[i].dma;
714                         /* Try to allocate a new one */
715                         adapter->tx_ring[i].tx_buffer_info = NULL;
716                         adapter->tx_ring[i].desc = NULL;
717                         adapter->tx_ring[i].count = new_tx_count;
718                         err = ixgbe_setup_tx_resources(adapter,
719                                                        &adapter->tx_ring[i]);
720                         if (err) {
721                                 /* Restore the old one so at least
722                                    the adapter still works, even if
723                                    we failed the request */
724                                 adapter->tx_ring[i].tx_buffer_info = old_buf;
725                                 adapter->tx_ring[i].desc = old_desc;
726                                 adapter->tx_ring[i].size = old_size;
727                                 adapter->tx_ring[i].dma = old_dma;
728                                 goto err_setup;
729                         }
730                         /* Free the old buffer manually */
731                         vfree(old_buf);
732                         pci_free_consistent(adapter->pdev, old_size,
733                                             old_desc, old_dma);
734                 }
735         }
736
737         if (new_rx_count != adapter->rx_ring->count) {
738                 for (i = 0; i < adapter->num_rx_queues; i++) {
739
740                         old_rx_buf = adapter->rx_ring[i].rx_buffer_info;
741                         old_desc = adapter->rx_ring[i].desc;
742                         old_size = adapter->rx_ring[i].size;
743                         old_dma = adapter->rx_ring[i].dma;
744
745                         adapter->rx_ring[i].rx_buffer_info = NULL;
746                         adapter->rx_ring[i].desc = NULL;
747                         adapter->rx_ring[i].dma = 0;
748                         adapter->rx_ring[i].count = new_rx_count;
749                         err = ixgbe_setup_rx_resources(adapter,
750                                                        &adapter->rx_ring[i]);
751                         if (err) {
752                                 adapter->rx_ring[i].rx_buffer_info = old_rx_buf;
753                                 adapter->rx_ring[i].desc = old_desc;
754                                 adapter->rx_ring[i].size = old_size;
755                                 adapter->rx_ring[i].dma = old_dma;
756                                 goto err_setup;
757                         }
758
759                         vfree(old_rx_buf);
760                         pci_free_consistent(adapter->pdev, old_size, old_desc,
761                                             old_dma);
762                 }
763         }
764
765         err = 0;
766 err_setup:
767         if (netif_running(adapter->netdev))
768                 ixgbe_up(adapter);
769
770         clear_bit(__IXGBE_RESETTING, &adapter->state);
771         return err;
772 }
773
774 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
775 {
776         switch (sset) {
777         case ETH_SS_STATS:
778                 return IXGBE_STATS_LEN;
779         default:
780                 return -EOPNOTSUPP;
781         }
782 }
783
784 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
785                                     struct ethtool_stats *stats, u64 *data)
786 {
787         struct ixgbe_adapter *adapter = netdev_priv(netdev);
788         u64 *queue_stat;
789         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
790         int j, k;
791         int i;
792         u64 aggregated = 0, flushed = 0, no_desc = 0;
793
794         ixgbe_update_stats(adapter);
795         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
796                 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
797                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
798                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
799         }
800         for (j = 0; j < adapter->num_tx_queues; j++) {
801                 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
802                 for (k = 0; k < stat_count; k++)
803                         data[i + k] = queue_stat[k];
804                 i += k;
805         }
806         for (j = 0; j < adapter->num_rx_queues; j++) {
807                 aggregated += adapter->rx_ring[j].lro_mgr.stats.aggregated;
808                 flushed += adapter->rx_ring[j].lro_mgr.stats.flushed;
809                 no_desc += adapter->rx_ring[j].lro_mgr.stats.no_desc;
810                 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
811                 for (k = 0; k < stat_count; k++)
812                         data[i + k] = queue_stat[k];
813                 i += k;
814         }
815         adapter->lro_aggregated = aggregated;
816         adapter->lro_flushed = flushed;
817         adapter->lro_no_desc = no_desc;
818 }
819
820 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
821                               u8 *data)
822 {
823         struct ixgbe_adapter *adapter = netdev_priv(netdev);
824         u8 *p = data;
825         int i;
826
827         switch (stringset) {
828         case ETH_SS_STATS:
829                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
830                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
831                                ETH_GSTRING_LEN);
832                         p += ETH_GSTRING_LEN;
833                 }
834                 for (i = 0; i < adapter->num_tx_queues; i++) {
835                         sprintf(p, "tx_queue_%u_packets", i);
836                         p += ETH_GSTRING_LEN;
837                         sprintf(p, "tx_queue_%u_bytes", i);
838                         p += ETH_GSTRING_LEN;
839                 }
840                 for (i = 0; i < adapter->num_rx_queues; i++) {
841                         sprintf(p, "rx_queue_%u_packets", i);
842                         p += ETH_GSTRING_LEN;
843                         sprintf(p, "rx_queue_%u_bytes", i);
844                         p += ETH_GSTRING_LEN;
845                 }
846 /*              BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
847                 break;
848         }
849 }
850
851
852 static void ixgbe_get_wol(struct net_device *netdev,
853                           struct ethtool_wolinfo *wol)
854 {
855         wol->supported = 0;
856         wol->wolopts = 0;
857
858         return;
859 }
860
861 static int ixgbe_nway_reset(struct net_device *netdev)
862 {
863         struct ixgbe_adapter *adapter = netdev_priv(netdev);
864
865         if (netif_running(netdev))
866                 ixgbe_reinit_locked(adapter);
867
868         return 0;
869 }
870
871 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
872 {
873         struct ixgbe_adapter *adapter = netdev_priv(netdev);
874         u32 led_reg = IXGBE_READ_REG(&adapter->hw, IXGBE_LEDCTL);
875         u32 i;
876
877         if (!data || data > 300)
878                 data = 300;
879
880         for (i = 0; i < (data * 1000); i += 400) {
881                 ixgbe_led_on(&adapter->hw, IXGBE_LED_ON);
882                 msleep_interruptible(200);
883                 ixgbe_led_off(&adapter->hw, IXGBE_LED_ON);
884                 msleep_interruptible(200);
885         }
886
887         /* Restore LED settings */
888         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
889
890         return 0;
891 }
892
893 static int ixgbe_get_coalesce(struct net_device *netdev,
894                               struct ethtool_coalesce *ec)
895 {
896         struct ixgbe_adapter *adapter = netdev_priv(netdev);
897
898         if (adapter->rx_eitr < IXGBE_MIN_ITR_USECS)
899                 ec->rx_coalesce_usecs = adapter->rx_eitr;
900         else
901                 ec->rx_coalesce_usecs = 1000000 / adapter->rx_eitr;
902
903         if (adapter->tx_eitr < IXGBE_MIN_ITR_USECS)
904                 ec->tx_coalesce_usecs = adapter->tx_eitr;
905         else
906                 ec->tx_coalesce_usecs = 1000000 / adapter->tx_eitr;
907
908         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
909         return 0;
910 }
911
912 static int ixgbe_set_coalesce(struct net_device *netdev,
913                               struct ethtool_coalesce *ec)
914 {
915         struct ixgbe_adapter *adapter = netdev_priv(netdev);
916
917         if ((ec->rx_coalesce_usecs > IXGBE_MAX_ITR_USECS) ||
918             ((ec->rx_coalesce_usecs != 0) &&
919              (ec->rx_coalesce_usecs != 1) &&
920              (ec->rx_coalesce_usecs != 3) &&
921              (ec->rx_coalesce_usecs < IXGBE_MIN_ITR_USECS)))
922                 return -EINVAL;
923         if ((ec->tx_coalesce_usecs > IXGBE_MAX_ITR_USECS) ||
924             ((ec->tx_coalesce_usecs != 0) &&
925              (ec->tx_coalesce_usecs != 1) &&
926              (ec->tx_coalesce_usecs != 3) &&
927              (ec->tx_coalesce_usecs < IXGBE_MIN_ITR_USECS)))
928                 return -EINVAL;
929
930         /* convert to rate of irq's per second */
931         if (ec->rx_coalesce_usecs < IXGBE_MIN_ITR_USECS)
932                 adapter->rx_eitr = ec->rx_coalesce_usecs;
933         else
934                 adapter->rx_eitr = (1000000 / ec->rx_coalesce_usecs);
935
936         if (ec->tx_coalesce_usecs < IXGBE_MIN_ITR_USECS)
937                 adapter->tx_eitr = ec->rx_coalesce_usecs;
938         else
939                 adapter->tx_eitr = (1000000 / ec->tx_coalesce_usecs);
940
941         if (ec->tx_max_coalesced_frames_irq)
942                 adapter->tx_ring[0].work_limit =
943                                         ec->tx_max_coalesced_frames_irq;
944
945         if (netif_running(netdev)) {
946                 ixgbe_down(adapter);
947                 ixgbe_up(adapter);
948         }
949
950         return 0;
951 }
952
953
954 static struct ethtool_ops ixgbe_ethtool_ops = {
955         .get_settings           = ixgbe_get_settings,
956         .set_settings           = ixgbe_set_settings,
957         .get_drvinfo            = ixgbe_get_drvinfo,
958         .get_regs_len           = ixgbe_get_regs_len,
959         .get_regs               = ixgbe_get_regs,
960         .get_wol                = ixgbe_get_wol,
961         .nway_reset             = ixgbe_nway_reset,
962         .get_link               = ethtool_op_get_link,
963         .get_eeprom_len         = ixgbe_get_eeprom_len,
964         .get_eeprom             = ixgbe_get_eeprom,
965         .get_ringparam          = ixgbe_get_ringparam,
966         .set_ringparam          = ixgbe_set_ringparam,
967         .get_pauseparam         = ixgbe_get_pauseparam,
968         .set_pauseparam         = ixgbe_set_pauseparam,
969         .get_rx_csum            = ixgbe_get_rx_csum,
970         .set_rx_csum            = ixgbe_set_rx_csum,
971         .get_tx_csum            = ixgbe_get_tx_csum,
972         .set_tx_csum            = ixgbe_set_tx_csum,
973         .get_sg                 = ethtool_op_get_sg,
974         .set_sg                 = ethtool_op_set_sg,
975         .get_msglevel           = ixgbe_get_msglevel,
976         .set_msglevel           = ixgbe_set_msglevel,
977         .get_tso                = ethtool_op_get_tso,
978         .set_tso                = ixgbe_set_tso,
979         .get_strings            = ixgbe_get_strings,
980         .phys_id                = ixgbe_phys_id,
981         .get_sset_count         = ixgbe_get_sset_count,
982         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
983         .get_coalesce           = ixgbe_get_coalesce,
984         .set_coalesce           = ixgbe_set_coalesce,
985         .get_flags              = ethtool_op_get_flags,
986         .set_flags              = ethtool_op_set_flags,
987 };
988
989 void ixgbe_set_ethtool_ops(struct net_device *netdev)
990 {
991         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
992 }