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[linux-2.6] / 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         {"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 };
93
94 #define IXGBE_QUEUE_STATS_LEN \
95         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
96         ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
97         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
98 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
99 #define IXGBE_PB_STATS_LEN ( \
100                  (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
101                  IXGBE_FLAG_DCB_ENABLED) ? \
102                  (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
103                   sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
104                   sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
105                   sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
106                   / sizeof(u64) : 0)
107 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
108                          IXGBE_PB_STATS_LEN + \
109                          IXGBE_QUEUE_STATS_LEN)
110
111 static int ixgbe_get_settings(struct net_device *netdev,
112                               struct ethtool_cmd *ecmd)
113 {
114         struct ixgbe_adapter *adapter = netdev_priv(netdev);
115         struct ixgbe_hw *hw = &adapter->hw;
116         u32 link_speed = 0;
117         bool link_up;
118
119         ecmd->supported = SUPPORTED_10000baseT_Full;
120         ecmd->autoneg = AUTONEG_ENABLE;
121         ecmd->transceiver = XCVR_EXTERNAL;
122         if (hw->phy.media_type == ixgbe_media_type_copper) {
123                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
124                                     SUPPORTED_TP | SUPPORTED_Autoneg);
125
126                 ecmd->advertising = (ADVERTISED_TP | ADVERTISED_Autoneg);
127                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
128                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
129                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
130                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
131
132                 ecmd->port = PORT_TP;
133         } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
134                 /* Set as FIBRE until SERDES defined in kernel */
135                 switch (hw->device_id) {
136                 case IXGBE_DEV_ID_82598:
137                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
138                                 SUPPORTED_FIBRE);
139                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
140                                 ADVERTISED_1000baseT_Full |
141                                 ADVERTISED_FIBRE);
142                         ecmd->port = PORT_FIBRE;
143                         break;
144                 case IXGBE_DEV_ID_82598_BX:
145                         ecmd->supported = (SUPPORTED_1000baseT_Full |
146                                            SUPPORTED_FIBRE);
147                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
148                                              ADVERTISED_FIBRE);
149                         ecmd->port = PORT_FIBRE;
150                         ecmd->autoneg = AUTONEG_DISABLE;
151                         break;
152                 }
153         } else {
154                 ecmd->supported |= SUPPORTED_FIBRE;
155                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
156                                      ADVERTISED_FIBRE);
157                 ecmd->port = PORT_FIBRE;
158                 ecmd->autoneg = AUTONEG_DISABLE;
159         }
160
161         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
162         if (link_up) {
163                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
164                                SPEED_10000 : SPEED_1000;
165                 ecmd->duplex = DUPLEX_FULL;
166         } else {
167                 ecmd->speed = -1;
168                 ecmd->duplex = -1;
169         }
170
171         return 0;
172 }
173
174 static int ixgbe_set_settings(struct net_device *netdev,
175                               struct ethtool_cmd *ecmd)
176 {
177         struct ixgbe_adapter *adapter = netdev_priv(netdev);
178         struct ixgbe_hw *hw = &adapter->hw;
179         u32 advertised, old;
180         s32 err;
181
182         switch (hw->phy.media_type) {
183         case ixgbe_media_type_fiber:
184                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
185                     (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
186                         return -EINVAL;
187                 /* in this case we currently only support 10Gb/FULL */
188                 break;
189         case ixgbe_media_type_copper:
190                 /* 10000/copper and 1000/copper must autoneg
191                  * this function does not support any duplex forcing, but can
192                  * limit the advertising of the adapter to only 10000 or 1000 */
193                 if (ecmd->autoneg == AUTONEG_DISABLE)
194                         return -EINVAL;
195
196                 old = hw->phy.autoneg_advertised;
197                 advertised = 0;
198                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
199                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
200
201                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
202                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
203
204                 if (old == advertised)
205                         break;
206                 /* this sets the link speed and restarts auto-neg */
207                 err = hw->mac.ops.setup_link_speed(hw, advertised, true, true);
208                 if (err) {
209                         DPRINTK(PROBE, INFO,
210                                 "setup link failed with code %d\n", err);
211                         hw->mac.ops.setup_link_speed(hw, old, true, true);
212                 }
213                 break;
214         default:
215                 break;
216         }
217
218         return 0;
219 }
220
221 static void ixgbe_get_pauseparam(struct net_device *netdev,
222                                  struct ethtool_pauseparam *pause)
223 {
224         struct ixgbe_adapter *adapter = netdev_priv(netdev);
225         struct ixgbe_hw *hw = &adapter->hw;
226
227         pause->autoneg = (hw->fc.current_mode == ixgbe_fc_full ? 1 : 0);
228
229         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
230                 pause->rx_pause = 1;
231         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
232                 pause->tx_pause = 1;
233         } else if (hw->fc.current_mode == ixgbe_fc_full) {
234                 pause->rx_pause = 1;
235                 pause->tx_pause = 1;
236         }
237 }
238
239 static int ixgbe_set_pauseparam(struct net_device *netdev,
240                                 struct ethtool_pauseparam *pause)
241 {
242         struct ixgbe_adapter *adapter = netdev_priv(netdev);
243         struct ixgbe_hw *hw = &adapter->hw;
244
245         if ((pause->autoneg == AUTONEG_ENABLE) ||
246             (pause->rx_pause && pause->tx_pause))
247                 hw->fc.requested_mode = ixgbe_fc_full;
248         else if (pause->rx_pause && !pause->tx_pause)
249                 hw->fc.requested_mode = ixgbe_fc_rx_pause;
250         else if (!pause->rx_pause && pause->tx_pause)
251                 hw->fc.requested_mode = ixgbe_fc_tx_pause;
252         else if (!pause->rx_pause && !pause->tx_pause)
253                 hw->fc.requested_mode = ixgbe_fc_none;
254         else
255                 return -EINVAL;
256
257         hw->mac.ops.setup_fc(hw, 0);
258
259         return 0;
260 }
261
262 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
263 {
264         struct ixgbe_adapter *adapter = netdev_priv(netdev);
265         return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
266 }
267
268 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
269 {
270         struct ixgbe_adapter *adapter = netdev_priv(netdev);
271         if (data)
272                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
273         else
274                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
275
276         if (netif_running(netdev))
277                 ixgbe_reinit_locked(adapter);
278         else
279                 ixgbe_reset(adapter);
280
281         return 0;
282 }
283
284 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
285 {
286         return (netdev->features & NETIF_F_IP_CSUM) != 0;
287 }
288
289 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
290 {
291         if (data)
292                 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
293         else
294                 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
295
296         return 0;
297 }
298
299 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
300 {
301         if (data) {
302                 netdev->features |= NETIF_F_TSO;
303                 netdev->features |= NETIF_F_TSO6;
304         } else {
305                 netif_tx_stop_all_queues(netdev);
306                 netdev->features &= ~NETIF_F_TSO;
307                 netdev->features &= ~NETIF_F_TSO6;
308                 netif_tx_start_all_queues(netdev);
309         }
310         return 0;
311 }
312
313 static u32 ixgbe_get_msglevel(struct net_device *netdev)
314 {
315         struct ixgbe_adapter *adapter = netdev_priv(netdev);
316         return adapter->msg_enable;
317 }
318
319 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
320 {
321         struct ixgbe_adapter *adapter = netdev_priv(netdev);
322         adapter->msg_enable = data;
323 }
324
325 static int ixgbe_get_regs_len(struct net_device *netdev)
326 {
327 #define IXGBE_REGS_LEN  1128
328         return IXGBE_REGS_LEN * sizeof(u32);
329 }
330
331 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
332
333 static void ixgbe_get_regs(struct net_device *netdev,
334                            struct ethtool_regs *regs, void *p)
335 {
336         struct ixgbe_adapter *adapter = netdev_priv(netdev);
337         struct ixgbe_hw *hw = &adapter->hw;
338         u32 *regs_buff = p;
339         u8 i;
340
341         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
342
343         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
344
345         /* General Registers */
346         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
347         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
348         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
349         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
350         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
351         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
352         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
353         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
354
355         /* NVM Register */
356         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
357         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
358         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
359         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
360         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
361         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
362         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
363         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
364         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
365         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
366
367         /* Interrupt */
368         /* don't read EICR because it can clear interrupt causes, instead
369          * read EICS which is a shadow but doesn't clear EICR */
370         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
371         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
372         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
373         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
374         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
375         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
376         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
377         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
378         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
379         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
380         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
381         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
382
383         /* Flow Control */
384         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
385         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
386         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
387         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
388         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
389         for (i = 0; i < 8; i++)
390                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
391         for (i = 0; i < 8; i++)
392                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
393         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
394         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
395
396         /* Receive DMA */
397         for (i = 0; i < 64; i++)
398                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
399         for (i = 0; i < 64; i++)
400                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
401         for (i = 0; i < 64; i++)
402                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
403         for (i = 0; i < 64; i++)
404                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
405         for (i = 0; i < 64; i++)
406                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
407         for (i = 0; i < 64; i++)
408                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
409         for (i = 0; i < 16; i++)
410                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
411         for (i = 0; i < 16; i++)
412                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
413         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
414         for (i = 0; i < 8; i++)
415                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
416         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
417         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
418
419         /* Receive */
420         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
421         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
422         for (i = 0; i < 16; i++)
423                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
424         for (i = 0; i < 16; i++)
425                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
426         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
427         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
428         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
429         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
430         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
431         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
432         for (i = 0; i < 8; i++)
433                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
434         for (i = 0; i < 8; i++)
435                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
436         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
437
438         /* Transmit */
439         for (i = 0; i < 32; i++)
440                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
441         for (i = 0; i < 32; i++)
442                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
443         for (i = 0; i < 32; i++)
444                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
445         for (i = 0; i < 32; i++)
446                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
447         for (i = 0; i < 32; i++)
448                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
449         for (i = 0; i < 32; i++)
450                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
451         for (i = 0; i < 32; i++)
452                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
453         for (i = 0; i < 32; i++)
454                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
455         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
456         for (i = 0; i < 16; i++)
457                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
458         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
459         for (i = 0; i < 8; i++)
460                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
461         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
462
463         /* Wake Up */
464         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
465         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
466         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
467         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
468         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
469         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
470         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
471         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
472         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT);
473
474         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
475         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
476         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
477         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
478         for (i = 0; i < 8; i++)
479                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
480         for (i = 0; i < 8; i++)
481                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
482         for (i = 0; i < 8; i++)
483                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
484         for (i = 0; i < 8; i++)
485                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
486         for (i = 0; i < 8; i++)
487                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
488         for (i = 0; i < 8; i++)
489                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
490
491         /* Statistics */
492         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
493         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
494         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
495         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
496         for (i = 0; i < 8; i++)
497                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
498         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
499         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
500         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
501         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
502         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
503         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
504         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
505         for (i = 0; i < 8; i++)
506                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
507         for (i = 0; i < 8; i++)
508                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
509         for (i = 0; i < 8; i++)
510                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
511         for (i = 0; i < 8; i++)
512                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
513         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
514         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
515         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
516         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
517         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
518         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
519         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
520         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
521         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
522         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
523         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
524         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
525         for (i = 0; i < 8; i++)
526                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
527         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
528         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
529         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
530         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
531         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
532         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
533         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
534         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
535         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
536         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
537         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
538         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
539         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
540         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
541         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
542         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
543         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
544         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
545         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
546         for (i = 0; i < 16; i++)
547                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
548         for (i = 0; i < 16; i++)
549                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
550         for (i = 0; i < 16; i++)
551                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
552         for (i = 0; i < 16; i++)
553                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
554
555         /* MAC */
556         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
557         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
558         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
559         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
560         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
561         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
562         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
563         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
564         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
565         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
566         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
567         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
568         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
569         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
570         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
571         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
572         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
573         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
574         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
575         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
576         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
577         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
578         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
579         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
580         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
581         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
582         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
583         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
584         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
585         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
586         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
587         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
588         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
589
590         /* Diagnostic */
591         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
592         for (i = 0; i < 8; i++)
593                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
594         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
595         for (i = 0; i < 4; i++)
596                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
597         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
598         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
599         for (i = 0; i < 8; i++)
600                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
601         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
602         for (i = 0; i < 4; i++)
603                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
604         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
605         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
606         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
607         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
608         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
609         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
610         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
611         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
612         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
613         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
614         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
615         for (i = 0; i < 8; i++)
616                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
617         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
618         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
619         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
620         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
621         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
622         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
623         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
624         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
625         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
626 }
627
628 static int ixgbe_get_eeprom_len(struct net_device *netdev)
629 {
630         struct ixgbe_adapter *adapter = netdev_priv(netdev);
631         return adapter->hw.eeprom.word_size * 2;
632 }
633
634 static int ixgbe_get_eeprom(struct net_device *netdev,
635                             struct ethtool_eeprom *eeprom, u8 *bytes)
636 {
637         struct ixgbe_adapter *adapter = netdev_priv(netdev);
638         struct ixgbe_hw *hw = &adapter->hw;
639         u16 *eeprom_buff;
640         int first_word, last_word, eeprom_len;
641         int ret_val = 0;
642         u16 i;
643
644         if (eeprom->len == 0)
645                 return -EINVAL;
646
647         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
648
649         first_word = eeprom->offset >> 1;
650         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
651         eeprom_len = last_word - first_word + 1;
652
653         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
654         if (!eeprom_buff)
655                 return -ENOMEM;
656
657         for (i = 0; i < eeprom_len; i++) {
658                 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
659                     &eeprom_buff[i])))
660                         break;
661         }
662
663         /* Device's eeprom is always little-endian, word addressable */
664         for (i = 0; i < eeprom_len; i++)
665                 le16_to_cpus(&eeprom_buff[i]);
666
667         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
668         kfree(eeprom_buff);
669
670         return ret_val;
671 }
672
673 static void ixgbe_get_drvinfo(struct net_device *netdev,
674                               struct ethtool_drvinfo *drvinfo)
675 {
676         struct ixgbe_adapter *adapter = netdev_priv(netdev);
677         char firmware_version[32];
678
679         strncpy(drvinfo->driver, ixgbe_driver_name, 32);
680         strncpy(drvinfo->version, ixgbe_driver_version, 32);
681
682         sprintf(firmware_version, "%d.%d-%d",
683                 (adapter->eeprom_version & 0xF000) >> 12,
684                 (adapter->eeprom_version & 0x0FF0) >> 4,
685                 adapter->eeprom_version & 0x000F);
686
687         strncpy(drvinfo->fw_version, firmware_version, 32);
688         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
689         drvinfo->n_stats = IXGBE_STATS_LEN;
690         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
691 }
692
693 static void ixgbe_get_ringparam(struct net_device *netdev,
694                                 struct ethtool_ringparam *ring)
695 {
696         struct ixgbe_adapter *adapter = netdev_priv(netdev);
697         struct ixgbe_ring *tx_ring = adapter->tx_ring;
698         struct ixgbe_ring *rx_ring = adapter->rx_ring;
699
700         ring->rx_max_pending = IXGBE_MAX_RXD;
701         ring->tx_max_pending = IXGBE_MAX_TXD;
702         ring->rx_mini_max_pending = 0;
703         ring->rx_jumbo_max_pending = 0;
704         ring->rx_pending = rx_ring->count;
705         ring->tx_pending = tx_ring->count;
706         ring->rx_mini_pending = 0;
707         ring->rx_jumbo_pending = 0;
708 }
709
710 static int ixgbe_set_ringparam(struct net_device *netdev,
711                                struct ethtool_ringparam *ring)
712 {
713         struct ixgbe_adapter *adapter = netdev_priv(netdev);
714         struct ixgbe_ring *temp_ring;
715         int i, err;
716         u32 new_rx_count, new_tx_count;
717
718         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
719                 return -EINVAL;
720
721         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
722         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
723         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
724
725         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
726         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
727         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
728
729         if ((new_tx_count == adapter->tx_ring->count) &&
730             (new_rx_count == adapter->rx_ring->count)) {
731                 /* nothing to do */
732                 return 0;
733         }
734
735         temp_ring = kcalloc(adapter->num_tx_queues,
736                             sizeof(struct ixgbe_ring), GFP_KERNEL);
737         if (!temp_ring)
738                 return -ENOMEM;
739
740         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
741                 msleep(1);
742
743         if (new_tx_count != adapter->tx_ring->count) {
744                 for (i = 0; i < adapter->num_tx_queues; i++) {
745                         temp_ring[i].count = new_tx_count;
746                         err = ixgbe_setup_tx_resources(adapter, &temp_ring[i]);
747                         if (err) {
748                                 while (i) {
749                                         i--;
750                                         ixgbe_free_tx_resources(adapter,
751                                                                 &temp_ring[i]);
752                                 }
753                                 goto err_setup;
754                         }
755                         temp_ring[i].v_idx = adapter->tx_ring[i].v_idx;
756                 }
757                 if (netif_running(netdev))
758                         netdev->netdev_ops->ndo_stop(netdev);
759                 ixgbe_reset_interrupt_capability(adapter);
760                 ixgbe_napi_del_all(adapter);
761                 INIT_LIST_HEAD(&netdev->napi_list);
762                 kfree(adapter->tx_ring);
763                 adapter->tx_ring = temp_ring;
764                 temp_ring = NULL;
765                 adapter->tx_ring_count = new_tx_count;
766         }
767
768         temp_ring = kcalloc(adapter->num_rx_queues,
769                             sizeof(struct ixgbe_ring), GFP_KERNEL);
770         if (!temp_ring) {
771                 if (netif_running(netdev))
772                         netdev->netdev_ops->ndo_open(netdev);
773                 return -ENOMEM;
774         }
775
776         if (new_rx_count != adapter->rx_ring->count) {
777                 for (i = 0; i < adapter->num_rx_queues; i++) {
778                         temp_ring[i].count = new_rx_count;
779                         err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]);
780                         if (err) {
781                                 while (i) {
782                                         i--;
783                                         ixgbe_free_rx_resources(adapter,
784                                                                 &temp_ring[i]);
785                                 }
786                                 goto err_setup;
787                         }
788                         temp_ring[i].v_idx = adapter->rx_ring[i].v_idx;
789                 }
790                 if (netif_running(netdev))
791                         netdev->netdev_ops->ndo_stop(netdev);
792                 ixgbe_reset_interrupt_capability(adapter);
793                 ixgbe_napi_del_all(adapter);
794                 INIT_LIST_HEAD(&netdev->napi_list);
795                 kfree(adapter->rx_ring);
796                 adapter->rx_ring = temp_ring;
797                 temp_ring = NULL;
798
799                 adapter->rx_ring_count = new_rx_count;
800         }
801
802         /* success! */
803         err = 0;
804 err_setup:
805         ixgbe_init_interrupt_scheme(adapter);
806         if (netif_running(netdev))
807                 netdev->netdev_ops->ndo_open(netdev);
808
809         clear_bit(__IXGBE_RESETTING, &adapter->state);
810         return err;
811 }
812
813 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
814 {
815         switch (sset) {
816         case ETH_SS_STATS:
817                 return IXGBE_STATS_LEN;
818         default:
819                 return -EOPNOTSUPP;
820         }
821 }
822
823 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
824                                     struct ethtool_stats *stats, u64 *data)
825 {
826         struct ixgbe_adapter *adapter = netdev_priv(netdev);
827         u64 *queue_stat;
828         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
829         int j, k;
830         int i;
831
832         ixgbe_update_stats(adapter);
833         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
834                 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
835                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
836                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
837         }
838         for (j = 0; j < adapter->num_tx_queues; j++) {
839                 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
840                 for (k = 0; k < stat_count; k++)
841                         data[i + k] = queue_stat[k];
842                 i += k;
843         }
844         for (j = 0; j < adapter->num_rx_queues; j++) {
845                 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
846                 for (k = 0; k < stat_count; k++)
847                         data[i + k] = queue_stat[k];
848                 i += k;
849         }
850         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
851                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
852                         data[i++] = adapter->stats.pxontxc[j];
853                         data[i++] = adapter->stats.pxofftxc[j];
854                 }
855                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
856                         data[i++] = adapter->stats.pxonrxc[j];
857                         data[i++] = adapter->stats.pxoffrxc[j];
858                 }
859         }
860 }
861
862 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
863                               u8 *data)
864 {
865         struct ixgbe_adapter *adapter = netdev_priv(netdev);
866         char *p = (char *)data;
867         int i;
868
869         switch (stringset) {
870         case ETH_SS_STATS:
871                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
872                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
873                                ETH_GSTRING_LEN);
874                         p += ETH_GSTRING_LEN;
875                 }
876                 for (i = 0; i < adapter->num_tx_queues; i++) {
877                         sprintf(p, "tx_queue_%u_packets", i);
878                         p += ETH_GSTRING_LEN;
879                         sprintf(p, "tx_queue_%u_bytes", i);
880                         p += ETH_GSTRING_LEN;
881                 }
882                 for (i = 0; i < adapter->num_rx_queues; i++) {
883                         sprintf(p, "rx_queue_%u_packets", i);
884                         p += ETH_GSTRING_LEN;
885                         sprintf(p, "rx_queue_%u_bytes", i);
886                         p += ETH_GSTRING_LEN;
887                 }
888                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
889                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
890                                 sprintf(p, "tx_pb_%u_pxon", i);
891                                 p += ETH_GSTRING_LEN;
892                                 sprintf(p, "tx_pb_%u_pxoff", i);
893                                 p += ETH_GSTRING_LEN;
894                         }
895                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
896                                 sprintf(p, "rx_pb_%u_pxon", i);
897                                 p += ETH_GSTRING_LEN;
898                                 sprintf(p, "rx_pb_%u_pxoff", i);
899                                 p += ETH_GSTRING_LEN;
900                         }
901                 }
902                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
903                 break;
904         }
905 }
906
907
908 static void ixgbe_get_wol(struct net_device *netdev,
909                           struct ethtool_wolinfo *wol)
910 {
911         wol->supported = 0;
912         wol->wolopts = 0;
913
914         return;
915 }
916
917 static int ixgbe_nway_reset(struct net_device *netdev)
918 {
919         struct ixgbe_adapter *adapter = netdev_priv(netdev);
920
921         if (netif_running(netdev))
922                 ixgbe_reinit_locked(adapter);
923
924         return 0;
925 }
926
927 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
928 {
929         struct ixgbe_adapter *adapter = netdev_priv(netdev);
930         struct ixgbe_hw *hw = &adapter->hw;
931         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
932         u32 i;
933
934         if (!data || data > 300)
935                 data = 300;
936
937         for (i = 0; i < (data * 1000); i += 400) {
938                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
939                 msleep_interruptible(200);
940                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
941                 msleep_interruptible(200);
942         }
943
944         /* Restore LED settings */
945         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
946
947         return 0;
948 }
949
950 static int ixgbe_get_coalesce(struct net_device *netdev,
951                               struct ethtool_coalesce *ec)
952 {
953         struct ixgbe_adapter *adapter = netdev_priv(netdev);
954
955         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
956
957         /* only valid if in constant ITR mode */
958         switch (adapter->itr_setting) {
959         case 0:
960                 /* throttling disabled */
961                 ec->rx_coalesce_usecs = 0;
962                 break;
963         case 1:
964                 /* dynamic ITR mode */
965                 ec->rx_coalesce_usecs = 1;
966                 break;
967         default:
968                 /* fixed interrupt rate mode */
969                 ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
970                 break;
971         }
972         return 0;
973 }
974
975 static int ixgbe_set_coalesce(struct net_device *netdev,
976                               struct ethtool_coalesce *ec)
977 {
978         struct ixgbe_adapter *adapter = netdev_priv(netdev);
979         struct ixgbe_hw *hw = &adapter->hw;
980         int i;
981
982         if (ec->tx_max_coalesced_frames_irq)
983                 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
984
985         if (ec->rx_coalesce_usecs > 1) {
986                 /* store the value in ints/second */
987                 adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
988
989                 /* static value of interrupt rate */
990                 adapter->itr_setting = adapter->eitr_param;
991                 /* clear the lower bit */
992                 adapter->itr_setting &= ~1;
993         } else if (ec->rx_coalesce_usecs == 1) {
994                 /* 1 means dynamic mode */
995                 adapter->eitr_param = 20000;
996                 adapter->itr_setting = 1;
997         } else {
998                 /* any other value means disable eitr, which is best
999                  * served by setting the interrupt rate very high */
1000                 adapter->eitr_param = 3000000;
1001                 adapter->itr_setting = 0;
1002         }
1003
1004         for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
1005                 struct ixgbe_q_vector *q_vector = &adapter->q_vector[i];
1006                 if (q_vector->txr_count && !q_vector->rxr_count)
1007                         q_vector->eitr = (adapter->eitr_param >> 1);
1008                 else
1009                         /* rx only or mixed */
1010                         q_vector->eitr = adapter->eitr_param;
1011                 IXGBE_WRITE_REG(hw, IXGBE_EITR(i),
1012                                 EITR_INTS_PER_SEC_TO_REG(q_vector->eitr));
1013         }
1014
1015         return 0;
1016 }
1017
1018
1019 static const struct ethtool_ops ixgbe_ethtool_ops = {
1020         .get_settings           = ixgbe_get_settings,
1021         .set_settings           = ixgbe_set_settings,
1022         .get_drvinfo            = ixgbe_get_drvinfo,
1023         .get_regs_len           = ixgbe_get_regs_len,
1024         .get_regs               = ixgbe_get_regs,
1025         .get_wol                = ixgbe_get_wol,
1026         .nway_reset             = ixgbe_nway_reset,
1027         .get_link               = ethtool_op_get_link,
1028         .get_eeprom_len         = ixgbe_get_eeprom_len,
1029         .get_eeprom             = ixgbe_get_eeprom,
1030         .get_ringparam          = ixgbe_get_ringparam,
1031         .set_ringparam          = ixgbe_set_ringparam,
1032         .get_pauseparam         = ixgbe_get_pauseparam,
1033         .set_pauseparam         = ixgbe_set_pauseparam,
1034         .get_rx_csum            = ixgbe_get_rx_csum,
1035         .set_rx_csum            = ixgbe_set_rx_csum,
1036         .get_tx_csum            = ixgbe_get_tx_csum,
1037         .set_tx_csum            = ixgbe_set_tx_csum,
1038         .get_sg                 = ethtool_op_get_sg,
1039         .set_sg                 = ethtool_op_set_sg,
1040         .get_msglevel           = ixgbe_get_msglevel,
1041         .set_msglevel           = ixgbe_set_msglevel,
1042         .get_tso                = ethtool_op_get_tso,
1043         .set_tso                = ixgbe_set_tso,
1044         .get_strings            = ixgbe_get_strings,
1045         .phys_id                = ixgbe_phys_id,
1046         .get_sset_count         = ixgbe_get_sset_count,
1047         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
1048         .get_coalesce           = ixgbe_get_coalesce,
1049         .set_coalesce           = ixgbe_set_coalesce,
1050         .get_flags              = ethtool_op_get_flags,
1051         .set_flags              = ethtool_op_set_flags,
1052 };
1053
1054 void ixgbe_set_ethtool_ops(struct net_device *netdev)
1055 {
1056         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
1057 }