fee56a383819100910271df3b668b9866145d28f
[linux-2.6.git] / drivers / net / ixgbe / ixgbe_ethtool.c
1 /*******************************************************************************
2
3   Intel 10 Gigabit PCI Express Linux driver
4   Copyright(c) 1999 - 2008 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         {"rx_fifo_errors", IXGBE_STAT(net_stats.rx_fifo_errors)},
71         {"rx_missed_errors", IXGBE_STAT(net_stats.rx_missed_errors)},
72         {"tx_aborted_errors", IXGBE_STAT(net_stats.tx_aborted_errors)},
73         {"tx_carrier_errors", IXGBE_STAT(net_stats.tx_carrier_errors)},
74         {"tx_fifo_errors", IXGBE_STAT(net_stats.tx_fifo_errors)},
75         {"tx_heartbeat_errors", IXGBE_STAT(net_stats.tx_heartbeat_errors)},
76         {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
77         {"tx_restart_queue", IXGBE_STAT(restart_queue)},
78         {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
79         {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
80         {"tx_tcp4_seg_ctxt", IXGBE_STAT(hw_tso_ctxt)},
81         {"tx_tcp6_seg_ctxt", IXGBE_STAT(hw_tso6_ctxt)},
82         {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
83         {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
84         {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
85         {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
86         {"rx_csum_offload_good", IXGBE_STAT(hw_csum_rx_good)},
87         {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
88         {"tx_csum_offload_ctxt", IXGBE_STAT(hw_csum_tx_good)},
89         {"rx_header_split", IXGBE_STAT(rx_hdr_split)},
90         {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
91         {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
92         {"lro_aggregated", IXGBE_STAT(lro_aggregated)},
93         {"lro_flushed", IXGBE_STAT(lro_flushed)},
94 };
95
96 #define IXGBE_QUEUE_STATS_LEN \
97                 ((((struct ixgbe_adapter *)netdev->priv)->num_tx_queues + \
98                  ((struct ixgbe_adapter *)netdev->priv)->num_rx_queues) * \
99                  (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
100 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + IXGBE_QUEUE_STATS_LEN)
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                 ecmd->autoneg = AUTONEG_DISABLE;
132         }
133
134         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
135         if (link_up) {
136                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
137                                SPEED_10000 : SPEED_1000;
138                 ecmd->duplex = DUPLEX_FULL;
139         } else {
140                 ecmd->speed = -1;
141                 ecmd->duplex = -1;
142         }
143
144         return 0;
145 }
146
147 static int ixgbe_set_settings(struct net_device *netdev,
148                               struct ethtool_cmd *ecmd)
149 {
150         struct ixgbe_adapter *adapter = netdev_priv(netdev);
151         struct ixgbe_hw *hw = &adapter->hw;
152         u32 advertised, old;
153         s32 err;
154
155         switch (hw->phy.media_type) {
156         case ixgbe_media_type_fiber:
157                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
158                     (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
159                         return -EINVAL;
160                 /* in this case we currently only support 10Gb/FULL */
161                 break;
162         case ixgbe_media_type_copper:
163                 /* 10000/copper and 1000/copper must autoneg
164                  * this function does not support any duplex forcing, but can
165                  * limit the advertising of the adapter to only 10000 or 1000 */
166                 if (ecmd->autoneg == AUTONEG_DISABLE)
167                         return -EINVAL;
168
169                 old = hw->phy.autoneg_advertised;
170                 advertised = 0;
171                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
172                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
173
174                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
175                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
176
177                 if (old == advertised)
178                         break;
179                 /* this sets the link speed and restarts auto-neg */
180                 err = hw->mac.ops.setup_link_speed(hw, advertised, true, true);
181                 if (err) {
182                         DPRINTK(PROBE, INFO,
183                                 "setup link failed with code %d\n", err);
184                         hw->mac.ops.setup_link_speed(hw, old, true, true);
185                 }
186                 break;
187         default:
188                 break;
189         }
190
191         return 0;
192 }
193
194 static void ixgbe_get_pauseparam(struct net_device *netdev,
195                                  struct ethtool_pauseparam *pause)
196 {
197         struct ixgbe_adapter *adapter = netdev_priv(netdev);
198         struct ixgbe_hw *hw = &adapter->hw;
199
200         pause->autoneg = (hw->fc.type == ixgbe_fc_full ? 1 : 0);
201
202         if (hw->fc.type == ixgbe_fc_rx_pause) {
203                 pause->rx_pause = 1;
204         } else if (hw->fc.type == ixgbe_fc_tx_pause) {
205                 pause->tx_pause = 1;
206         } else if (hw->fc.type == ixgbe_fc_full) {
207                 pause->rx_pause = 1;
208                 pause->tx_pause = 1;
209         }
210 }
211
212 static int ixgbe_set_pauseparam(struct net_device *netdev,
213                                 struct ethtool_pauseparam *pause)
214 {
215         struct ixgbe_adapter *adapter = netdev_priv(netdev);
216         struct ixgbe_hw *hw = &adapter->hw;
217
218         if ((pause->autoneg == AUTONEG_ENABLE) ||
219             (pause->rx_pause && pause->tx_pause))
220                 hw->fc.type = ixgbe_fc_full;
221         else if (pause->rx_pause && !pause->tx_pause)
222                 hw->fc.type = ixgbe_fc_rx_pause;
223         else if (!pause->rx_pause && pause->tx_pause)
224                 hw->fc.type = ixgbe_fc_tx_pause;
225         else if (!pause->rx_pause && !pause->tx_pause)
226                 hw->fc.type = ixgbe_fc_none;
227         else
228                 return -EINVAL;
229
230         hw->fc.original_type = hw->fc.type;
231
232         if (netif_running(netdev))
233                 ixgbe_reinit_locked(adapter);
234         else
235                 ixgbe_reset(adapter);
236
237         return 0;
238 }
239
240 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
241 {
242         struct ixgbe_adapter *adapter = netdev_priv(netdev);
243         return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
244 }
245
246 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
247 {
248         struct ixgbe_adapter *adapter = netdev_priv(netdev);
249         if (data)
250                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
251         else
252                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
253
254         if (netif_running(netdev))
255                 ixgbe_reinit_locked(adapter);
256         else
257                 ixgbe_reset(adapter);
258
259         return 0;
260 }
261
262 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
263 {
264         return (netdev->features & NETIF_F_IP_CSUM) != 0;
265 }
266
267 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
268 {
269         if (data)
270                 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
271         else
272                 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
273
274         return 0;
275 }
276
277 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
278 {
279         if (data) {
280                 netdev->features |= NETIF_F_TSO;
281                 netdev->features |= NETIF_F_TSO6;
282         } else {
283                 netif_tx_stop_all_queues(netdev);
284                 netdev->features &= ~NETIF_F_TSO;
285                 netdev->features &= ~NETIF_F_TSO6;
286                 netif_tx_start_all_queues(netdev);
287         }
288         return 0;
289 }
290
291 static u32 ixgbe_get_msglevel(struct net_device *netdev)
292 {
293         struct ixgbe_adapter *adapter = netdev_priv(netdev);
294         return adapter->msg_enable;
295 }
296
297 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
298 {
299         struct ixgbe_adapter *adapter = netdev_priv(netdev);
300         adapter->msg_enable = data;
301 }
302
303 static int ixgbe_get_regs_len(struct net_device *netdev)
304 {
305 #define IXGBE_REGS_LEN  1128
306         return IXGBE_REGS_LEN * sizeof(u32);
307 }
308
309 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
310
311 static void ixgbe_get_regs(struct net_device *netdev,
312                            struct ethtool_regs *regs, void *p)
313 {
314         struct ixgbe_adapter *adapter = netdev_priv(netdev);
315         struct ixgbe_hw *hw = &adapter->hw;
316         u32 *regs_buff = p;
317         u8 i;
318
319         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
320
321         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
322
323         /* General Registers */
324         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
325         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
326         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
327         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
328         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
329         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
330         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
331         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
332
333         /* NVM Register */
334         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
335         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
336         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
337         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
338         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
339         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
340         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
341         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
342         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
343         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
344
345         /* Interrupt */
346         /* don't read EICR because it can clear interrupt causes, instead
347          * read EICS which is a shadow but doesn't clear EICR */
348         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
349         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
350         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
351         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
352         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
353         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
354         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
355         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
356         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
357         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
358         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
359         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
360
361         /* Flow Control */
362         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
363         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
364         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
365         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
366         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
367         for (i = 0; i < 8; i++)
368                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
369         for (i = 0; i < 8; i++)
370                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
371         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
372         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
373
374         /* Receive DMA */
375         for (i = 0; i < 64; i++)
376                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
377         for (i = 0; i < 64; i++)
378                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
379         for (i = 0; i < 64; i++)
380                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
381         for (i = 0; i < 64; i++)
382                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
383         for (i = 0; i < 64; i++)
384                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
385         for (i = 0; i < 64; i++)
386                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
387         for (i = 0; i < 16; i++)
388                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
389         for (i = 0; i < 16; i++)
390                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
391         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
392         for (i = 0; i < 8; i++)
393                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
394         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
395         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
396
397         /* Receive */
398         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
399         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
400         for (i = 0; i < 16; i++)
401                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
402         for (i = 0; i < 16; i++)
403                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
404         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
405         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
406         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
407         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
408         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
409         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
410         for (i = 0; i < 8; i++)
411                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
412         for (i = 0; i < 8; i++)
413                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
414         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
415
416         /* Transmit */
417         for (i = 0; i < 32; i++)
418                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
419         for (i = 0; i < 32; i++)
420                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
421         for (i = 0; i < 32; i++)
422                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
423         for (i = 0; i < 32; i++)
424                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
425         for (i = 0; i < 32; i++)
426                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
427         for (i = 0; i < 32; i++)
428                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
429         for (i = 0; i < 32; i++)
430                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
431         for (i = 0; i < 32; i++)
432                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
433         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
434         for (i = 0; i < 16; i++)
435                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
436         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
437         for (i = 0; i < 8; i++)
438                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
439         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
440
441         /* Wake Up */
442         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
443         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
444         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
445         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
446         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
447         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
448         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
449         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
450         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT);
451
452         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
453         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
454         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
455         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
456         for (i = 0; i < 8; i++)
457                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
458         for (i = 0; i < 8; i++)
459                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
460         for (i = 0; i < 8; i++)
461                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
462         for (i = 0; i < 8; i++)
463                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
464         for (i = 0; i < 8; i++)
465                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
466         for (i = 0; i < 8; i++)
467                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
468
469         /* Statistics */
470         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
471         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
472         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
473         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
474         for (i = 0; i < 8; i++)
475                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
476         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
477         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
478         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
479         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
480         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
481         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
482         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
483         for (i = 0; i < 8; i++)
484                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
485         for (i = 0; i < 8; i++)
486                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
487         for (i = 0; i < 8; i++)
488                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
489         for (i = 0; i < 8; i++)
490                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
491         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
492         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
493         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
494         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
495         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
496         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
497         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
498         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
499         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
500         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
501         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
502         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
503         for (i = 0; i < 8; i++)
504                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
505         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
506         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
507         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
508         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
509         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
510         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
511         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
512         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
513         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
514         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
515         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
516         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
517         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
518         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
519         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
520         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
521         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
522         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
523         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
524         for (i = 0; i < 16; i++)
525                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
526         for (i = 0; i < 16; i++)
527                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
528         for (i = 0; i < 16; i++)
529                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
530         for (i = 0; i < 16; i++)
531                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
532
533         /* MAC */
534         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
535         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
536         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
537         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
538         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
539         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
540         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
541         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
542         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
543         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
544         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
545         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
546         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
547         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
548         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
549         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
550         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
551         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
552         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
553         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
554         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
555         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
556         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
557         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
558         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
559         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
560         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
561         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
562         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
563         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
564         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
565         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
566         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
567
568         /* Diagnostic */
569         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
570         for (i = 0; i < 8; i++)
571                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
572         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
573         for (i = 0; i < 4; i++)
574                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
575         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
576         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
577         for (i = 0; i < 8; i++)
578                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
579         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
580         for (i = 0; i < 4; i++)
581                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
582         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
583         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
584         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
585         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
586         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
587         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
588         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
589         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
590         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
591         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
592         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
593         for (i = 0; i < 8; i++)
594                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
595         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
596         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
597         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
598         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
599         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
600         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
601         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
602         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
603         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
604 }
605
606 static int ixgbe_get_eeprom_len(struct net_device *netdev)
607 {
608         struct ixgbe_adapter *adapter = netdev_priv(netdev);
609         return adapter->hw.eeprom.word_size * 2;
610 }
611
612 static int ixgbe_get_eeprom(struct net_device *netdev,
613                             struct ethtool_eeprom *eeprom, u8 *bytes)
614 {
615         struct ixgbe_adapter *adapter = netdev_priv(netdev);
616         struct ixgbe_hw *hw = &adapter->hw;
617         u16 *eeprom_buff;
618         int first_word, last_word, eeprom_len;
619         int ret_val = 0;
620         u16 i;
621
622         if (eeprom->len == 0)
623                 return -EINVAL;
624
625         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
626
627         first_word = eeprom->offset >> 1;
628         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
629         eeprom_len = last_word - first_word + 1;
630
631         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
632         if (!eeprom_buff)
633                 return -ENOMEM;
634
635         for (i = 0; i < eeprom_len; i++) {
636                 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
637                     &eeprom_buff[i])))
638                         break;
639         }
640
641         /* Device's eeprom is always little-endian, word addressable */
642         for (i = 0; i < eeprom_len; i++)
643                 le16_to_cpus(&eeprom_buff[i]);
644
645         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
646         kfree(eeprom_buff);
647
648         return ret_val;
649 }
650
651 static void ixgbe_get_drvinfo(struct net_device *netdev,
652                               struct ethtool_drvinfo *drvinfo)
653 {
654         struct ixgbe_adapter *adapter = netdev_priv(netdev);
655
656         strncpy(drvinfo->driver, ixgbe_driver_name, 32);
657         strncpy(drvinfo->version, ixgbe_driver_version, 32);
658         strncpy(drvinfo->fw_version, "N/A", 32);
659         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
660         drvinfo->n_stats = IXGBE_STATS_LEN;
661         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
662 }
663
664 static void ixgbe_get_ringparam(struct net_device *netdev,
665                                 struct ethtool_ringparam *ring)
666 {
667         struct ixgbe_adapter *adapter = netdev_priv(netdev);
668         struct ixgbe_ring *tx_ring = adapter->tx_ring;
669         struct ixgbe_ring *rx_ring = adapter->rx_ring;
670
671         ring->rx_max_pending = IXGBE_MAX_RXD;
672         ring->tx_max_pending = IXGBE_MAX_TXD;
673         ring->rx_mini_max_pending = 0;
674         ring->rx_jumbo_max_pending = 0;
675         ring->rx_pending = rx_ring->count;
676         ring->tx_pending = tx_ring->count;
677         ring->rx_mini_pending = 0;
678         ring->rx_jumbo_pending = 0;
679 }
680
681 static int ixgbe_set_ringparam(struct net_device *netdev,
682                                struct ethtool_ringparam *ring)
683 {
684         struct ixgbe_adapter *adapter = netdev_priv(netdev);
685         struct ixgbe_ring *temp_ring;
686         int i, err;
687         u32 new_rx_count, new_tx_count;
688
689         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
690                 return -EINVAL;
691
692         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
693         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
694         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
695
696         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
697         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
698         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
699
700         if ((new_tx_count == adapter->tx_ring->count) &&
701             (new_rx_count == adapter->rx_ring->count)) {
702                 /* nothing to do */
703                 return 0;
704         }
705
706         if (adapter->num_tx_queues > adapter->num_rx_queues)
707                 temp_ring = vmalloc(adapter->num_tx_queues *
708                                     sizeof(struct ixgbe_ring));
709         else
710                 temp_ring = vmalloc(adapter->num_rx_queues *
711                                     sizeof(struct ixgbe_ring));
712         if (!temp_ring)
713                 return -ENOMEM;
714
715         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
716                 msleep(1);
717
718         if (netif_running(netdev))
719                 ixgbe_down(adapter);
720
721         /*
722          * We can't just free everything and then setup again,
723          * because the ISRs in MSI-X mode get passed pointers
724          * to the tx and rx ring structs.
725          */
726         if (new_tx_count != adapter->tx_ring->count) {
727                 memcpy(temp_ring, adapter->tx_ring,
728                        adapter->num_tx_queues * sizeof(struct ixgbe_ring));
729
730                 for (i = 0; i < adapter->num_tx_queues; i++) {
731                         temp_ring[i].count = new_tx_count;
732                         err = ixgbe_setup_tx_resources(adapter, &temp_ring[i]);
733                         if (err) {
734                                 while (i) {
735                                         i--;
736                                         ixgbe_free_tx_resources(adapter,
737                                                                 &temp_ring[i]);
738                                 }
739                                 goto err_setup;
740                         }
741                 }
742
743                 for (i = 0; i < adapter->num_tx_queues; i++)
744                         ixgbe_free_tx_resources(adapter, &adapter->tx_ring[i]);
745
746                 memcpy(adapter->tx_ring, temp_ring,
747                        adapter->num_tx_queues * sizeof(struct ixgbe_ring));
748
749                 adapter->tx_ring_count = new_tx_count;
750         }
751
752         if (new_rx_count != adapter->rx_ring->count) {
753                 memcpy(temp_ring, adapter->rx_ring,
754                        adapter->num_rx_queues * sizeof(struct ixgbe_ring));
755
756                 for (i = 0; i < adapter->num_rx_queues; i++) {
757                         temp_ring[i].count = new_rx_count;
758                         err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]);
759                         if (err) {
760                                 while (i) {
761                                         i--;
762                                         ixgbe_free_rx_resources(adapter,
763                                                                 &temp_ring[i]);
764                                 }
765                                 goto err_setup;
766                         }
767                 }
768
769                 for (i = 0; i < adapter->num_rx_queues; i++)
770                         ixgbe_free_rx_resources(adapter, &adapter->rx_ring[i]);
771
772                 memcpy(adapter->rx_ring, temp_ring,
773                        adapter->num_rx_queues * sizeof(struct ixgbe_ring));
774
775                 adapter->rx_ring_count = new_rx_count;
776         }
777
778         /* success! */
779         err = 0;
780 err_setup:
781         if (netif_running(netdev))
782                 ixgbe_up(adapter);
783
784         clear_bit(__IXGBE_RESETTING, &adapter->state);
785         return err;
786 }
787
788 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
789 {
790         switch (sset) {
791         case ETH_SS_STATS:
792                 return IXGBE_STATS_LEN;
793         default:
794                 return -EOPNOTSUPP;
795         }
796 }
797
798 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
799                                     struct ethtool_stats *stats, u64 *data)
800 {
801         struct ixgbe_adapter *adapter = netdev_priv(netdev);
802         u64 *queue_stat;
803         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
804         int j, k;
805         int i;
806         u64 aggregated = 0, flushed = 0, no_desc = 0;
807         for (i = 0; i < adapter->num_rx_queues; i++) {
808                 aggregated += adapter->rx_ring[i].lro_mgr.stats.aggregated;
809                 flushed += adapter->rx_ring[i].lro_mgr.stats.flushed;
810                 no_desc += adapter->rx_ring[i].lro_mgr.stats.no_desc;
811         }
812         adapter->lro_aggregated = aggregated;
813         adapter->lro_flushed = flushed;
814         adapter->lro_no_desc = no_desc;
815
816         ixgbe_update_stats(adapter);
817         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
818                 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
819                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
820                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
821         }
822         for (j = 0; j < adapter->num_tx_queues; j++) {
823                 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
824                 for (k = 0; k < stat_count; k++)
825                         data[i + k] = queue_stat[k];
826                 i += k;
827         }
828         for (j = 0; j < adapter->num_rx_queues; j++) {
829                 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
830                 for (k = 0; k < stat_count; k++)
831                         data[i + k] = queue_stat[k];
832                 i += k;
833         }
834 }
835
836 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
837                               u8 *data)
838 {
839         struct ixgbe_adapter *adapter = netdev_priv(netdev);
840         char *p = (char *)data;
841         int i;
842
843         switch (stringset) {
844         case ETH_SS_STATS:
845                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
846                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
847                                ETH_GSTRING_LEN);
848                         p += ETH_GSTRING_LEN;
849                 }
850                 for (i = 0; i < adapter->num_tx_queues; i++) {
851                         sprintf(p, "tx_queue_%u_packets", i);
852                         p += ETH_GSTRING_LEN;
853                         sprintf(p, "tx_queue_%u_bytes", i);
854                         p += ETH_GSTRING_LEN;
855                 }
856                 for (i = 0; i < adapter->num_rx_queues; i++) {
857                         sprintf(p, "rx_queue_%u_packets", i);
858                         p += ETH_GSTRING_LEN;
859                         sprintf(p, "rx_queue_%u_bytes", i);
860                         p += ETH_GSTRING_LEN;
861                 }
862                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
863                 break;
864         }
865 }
866
867
868 static void ixgbe_get_wol(struct net_device *netdev,
869                           struct ethtool_wolinfo *wol)
870 {
871         wol->supported = 0;
872         wol->wolopts = 0;
873
874         return;
875 }
876
877 static int ixgbe_nway_reset(struct net_device *netdev)
878 {
879         struct ixgbe_adapter *adapter = netdev_priv(netdev);
880
881         if (netif_running(netdev))
882                 ixgbe_reinit_locked(adapter);
883
884         return 0;
885 }
886
887 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
888 {
889         struct ixgbe_adapter *adapter = netdev_priv(netdev);
890         struct ixgbe_hw *hw = &adapter->hw;
891         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
892         u32 i;
893
894         if (!data || data > 300)
895                 data = 300;
896
897         for (i = 0; i < (data * 1000); i += 400) {
898                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
899                 msleep_interruptible(200);
900                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
901                 msleep_interruptible(200);
902         }
903
904         /* Restore LED settings */
905         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
906
907         return 0;
908 }
909
910 static int ixgbe_get_coalesce(struct net_device *netdev,
911                               struct ethtool_coalesce *ec)
912 {
913         struct ixgbe_adapter *adapter = netdev_priv(netdev);
914
915         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
916
917         /* only valid if in constant ITR mode */
918         switch (adapter->itr_setting) {
919         case 0:
920                 /* throttling disabled */
921                 ec->rx_coalesce_usecs = 0;
922                 break;
923         case 1:
924                 /* dynamic ITR mode */
925                 ec->rx_coalesce_usecs = 1;
926                 break;
927         default:
928                 /* fixed interrupt rate mode */
929                 ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
930                 break;
931         }
932         return 0;
933 }
934
935 static int ixgbe_set_coalesce(struct net_device *netdev,
936                               struct ethtool_coalesce *ec)
937 {
938         struct ixgbe_adapter *adapter = netdev_priv(netdev);
939         struct ixgbe_hw *hw = &adapter->hw;
940         int i;
941
942         if (ec->tx_max_coalesced_frames_irq)
943                 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
944
945         if (ec->rx_coalesce_usecs > 1) {
946                 /* store the value in ints/second */
947                 adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
948
949                 /* static value of interrupt rate */
950                 adapter->itr_setting = adapter->eitr_param;
951                 /* clear the lower bit */
952                 adapter->itr_setting &= ~1;
953         } else if (ec->rx_coalesce_usecs == 1) {
954                 /* 1 means dynamic mode */
955                 adapter->eitr_param = 20000;
956                 adapter->itr_setting = 1;
957         } else {
958                 /* any other value means disable eitr, which is best
959                  * served by setting the interrupt rate very high */
960                 adapter->eitr_param = 3000000;
961                 adapter->itr_setting = 0;
962         }
963
964         for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
965                 struct ixgbe_q_vector *q_vector = &adapter->q_vector[i];
966                 if (q_vector->txr_count && !q_vector->rxr_count)
967                         q_vector->eitr = (adapter->eitr_param >> 1);
968                 else
969                         /* rx only or mixed */
970                         q_vector->eitr = adapter->eitr_param;
971                 IXGBE_WRITE_REG(hw, IXGBE_EITR(i),
972                                 EITR_INTS_PER_SEC_TO_REG(q_vector->eitr));
973         }
974
975         return 0;
976 }
977
978
979 static const struct ethtool_ops ixgbe_ethtool_ops = {
980         .get_settings           = ixgbe_get_settings,
981         .set_settings           = ixgbe_set_settings,
982         .get_drvinfo            = ixgbe_get_drvinfo,
983         .get_regs_len           = ixgbe_get_regs_len,
984         .get_regs               = ixgbe_get_regs,
985         .get_wol                = ixgbe_get_wol,
986         .nway_reset             = ixgbe_nway_reset,
987         .get_link               = ethtool_op_get_link,
988         .get_eeprom_len         = ixgbe_get_eeprom_len,
989         .get_eeprom             = ixgbe_get_eeprom,
990         .get_ringparam          = ixgbe_get_ringparam,
991         .set_ringparam          = ixgbe_set_ringparam,
992         .get_pauseparam         = ixgbe_get_pauseparam,
993         .set_pauseparam         = ixgbe_set_pauseparam,
994         .get_rx_csum            = ixgbe_get_rx_csum,
995         .set_rx_csum            = ixgbe_set_rx_csum,
996         .get_tx_csum            = ixgbe_get_tx_csum,
997         .set_tx_csum            = ixgbe_set_tx_csum,
998         .get_sg                 = ethtool_op_get_sg,
999         .set_sg                 = ethtool_op_set_sg,
1000         .get_msglevel           = ixgbe_get_msglevel,
1001         .set_msglevel           = ixgbe_set_msglevel,
1002         .get_tso                = ethtool_op_get_tso,
1003         .set_tso                = ixgbe_set_tso,
1004         .get_strings            = ixgbe_get_strings,
1005         .phys_id                = ixgbe_phys_id,
1006         .get_sset_count         = ixgbe_get_sset_count,
1007         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
1008         .get_coalesce           = ixgbe_get_coalesce,
1009         .set_coalesce           = ixgbe_set_coalesce,
1010         .get_flags              = ethtool_op_get_flags,
1011         .set_flags              = ethtool_op_set_flags,
1012 };
1013
1014 void ixgbe_set_ethtool_ops(struct net_device *netdev)
1015 {
1016         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
1017 }