ixgbe: When in DCB mode with PFC enabled, show LFC is disabled
[linux-2.6.git] / drivers / net / ixgbe / ixgbe_ethtool.c
1 /*******************************************************************************
2
3   Intel 10 Gigabit PCI Express Linux driver
4   Copyright(c) 1999 - 2009 Intel Corporation.
5
6   This program is free software; you can redistribute it and/or modify it
7   under the terms and conditions of the GNU General Public License,
8   version 2, as published by the Free Software Foundation.
9
10   This program is distributed in the hope it will be useful, but WITHOUT
11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13   more details.
14
15   You should have received a copy of the GNU General Public License along with
16   this program; if not, write to the Free Software Foundation, Inc.,
17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19   The full GNU General Public License is included in this distribution in
20   the file called "COPYING".
21
22   Contact Information:
23   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
24   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25
26 *******************************************************************************/
27
28 /* ethtool support for ixgbe */
29
30 #include <linux/types.h>
31 #include <linux/module.h>
32 #include <linux/pci.h>
33 #include <linux/netdevice.h>
34 #include <linux/ethtool.h>
35 #include <linux/vmalloc.h>
36 #include <linux/uaccess.h>
37
38 #include "ixgbe.h"
39
40
41 #define IXGBE_ALL_RAR_ENTRIES 16
42
43 struct ixgbe_stats {
44         char stat_string[ETH_GSTRING_LEN];
45         int sizeof_stat;
46         int stat_offset;
47 };
48
49 #define IXGBE_STAT(m) sizeof(((struct ixgbe_adapter *)0)->m), \
50                              offsetof(struct ixgbe_adapter, m)
51 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
52         {"rx_packets", IXGBE_STAT(net_stats.rx_packets)},
53         {"tx_packets", IXGBE_STAT(net_stats.tx_packets)},
54         {"rx_bytes", IXGBE_STAT(net_stats.rx_bytes)},
55         {"tx_bytes", IXGBE_STAT(net_stats.tx_bytes)},
56         {"lsc_int", IXGBE_STAT(lsc_int)},
57         {"tx_busy", IXGBE_STAT(tx_busy)},
58         {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
59         {"rx_errors", IXGBE_STAT(net_stats.rx_errors)},
60         {"tx_errors", IXGBE_STAT(net_stats.tx_errors)},
61         {"rx_dropped", IXGBE_STAT(net_stats.rx_dropped)},
62         {"tx_dropped", IXGBE_STAT(net_stats.tx_dropped)},
63         {"multicast", IXGBE_STAT(net_stats.multicast)},
64         {"broadcast", IXGBE_STAT(stats.bprc)},
65         {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
66         {"collisions", IXGBE_STAT(net_stats.collisions)},
67         {"rx_over_errors", IXGBE_STAT(net_stats.rx_over_errors)},
68         {"rx_crc_errors", IXGBE_STAT(net_stats.rx_crc_errors)},
69         {"rx_frame_errors", IXGBE_STAT(net_stats.rx_frame_errors)},
70         {"hw_rsc_count", IXGBE_STAT(rsc_count)},
71         {"rx_fifo_errors", IXGBE_STAT(net_stats.rx_fifo_errors)},
72         {"rx_missed_errors", IXGBE_STAT(net_stats.rx_missed_errors)},
73         {"tx_aborted_errors", IXGBE_STAT(net_stats.tx_aborted_errors)},
74         {"tx_carrier_errors", IXGBE_STAT(net_stats.tx_carrier_errors)},
75         {"tx_fifo_errors", IXGBE_STAT(net_stats.tx_fifo_errors)},
76         {"tx_heartbeat_errors", IXGBE_STAT(net_stats.tx_heartbeat_errors)},
77         {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
78         {"tx_restart_queue", IXGBE_STAT(restart_queue)},
79         {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
80         {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
81         {"tx_tcp4_seg_ctxt", IXGBE_STAT(hw_tso_ctxt)},
82         {"tx_tcp6_seg_ctxt", IXGBE_STAT(hw_tso6_ctxt)},
83         {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
84         {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
85         {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
86         {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
87         {"rx_csum_offload_good", IXGBE_STAT(hw_csum_rx_good)},
88         {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
89         {"tx_csum_offload_ctxt", IXGBE_STAT(hw_csum_tx_good)},
90         {"rx_header_split", IXGBE_STAT(rx_hdr_split)},
91         {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
92         {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
93         {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
94 #ifdef IXGBE_FCOE
95         {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
96         {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
97         {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
98         {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
99         {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
100         {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
101 #endif /* IXGBE_FCOE */
102 };
103
104 #define IXGBE_QUEUE_STATS_LEN \
105         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
106         ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
107         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
108 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
109 #define IXGBE_PB_STATS_LEN ( \
110                  (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
111                  IXGBE_FLAG_DCB_ENABLED) ? \
112                  (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
113                   sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
114                   sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
115                   sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
116                   / sizeof(u64) : 0)
117 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
118                          IXGBE_PB_STATS_LEN + \
119                          IXGBE_QUEUE_STATS_LEN)
120
121 static int ixgbe_get_settings(struct net_device *netdev,
122                               struct ethtool_cmd *ecmd)
123 {
124         struct ixgbe_adapter *adapter = netdev_priv(netdev);
125         struct ixgbe_hw *hw = &adapter->hw;
126         u32 link_speed = 0;
127         bool link_up;
128
129         ecmd->supported = SUPPORTED_10000baseT_Full;
130         ecmd->autoneg = AUTONEG_ENABLE;
131         ecmd->transceiver = XCVR_EXTERNAL;
132         if (hw->phy.media_type == ixgbe_media_type_copper) {
133                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
134                                     SUPPORTED_TP | SUPPORTED_Autoneg);
135
136                 ecmd->advertising = (ADVERTISED_TP | ADVERTISED_Autoneg);
137                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
138                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
139                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
140                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
141                 /*
142                  * It's possible that phy.autoneg_advertised may not be
143                  * set yet.  If so display what the default would be -
144                  * both 1G and 10G supported.
145                  */
146                 if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full |
147                                            ADVERTISED_10000baseT_Full)))
148                         ecmd->advertising |= (ADVERTISED_10000baseT_Full |
149                                               ADVERTISED_1000baseT_Full);
150
151                 ecmd->port = PORT_TP;
152         } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
153                 /* Set as FIBRE until SERDES defined in kernel */
154                 switch (hw->device_id) {
155                 case IXGBE_DEV_ID_82598:
156                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
157                                 SUPPORTED_FIBRE);
158                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
159                                 ADVERTISED_1000baseT_Full |
160                                 ADVERTISED_FIBRE);
161                         ecmd->port = PORT_FIBRE;
162                         break;
163                 case IXGBE_DEV_ID_82598_BX:
164                         ecmd->supported = (SUPPORTED_1000baseT_Full |
165                                            SUPPORTED_FIBRE);
166                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
167                                              ADVERTISED_FIBRE);
168                         ecmd->port = PORT_FIBRE;
169                         ecmd->autoneg = AUTONEG_DISABLE;
170                         break;
171                 }
172         } else {
173                 ecmd->supported |= SUPPORTED_FIBRE;
174                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
175                                      ADVERTISED_FIBRE);
176                 ecmd->port = PORT_FIBRE;
177                 ecmd->autoneg = AUTONEG_DISABLE;
178         }
179
180         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
181         if (link_up) {
182                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
183                                SPEED_10000 : SPEED_1000;
184                 ecmd->duplex = DUPLEX_FULL;
185         } else {
186                 ecmd->speed = -1;
187                 ecmd->duplex = -1;
188         }
189
190         return 0;
191 }
192
193 static int ixgbe_set_settings(struct net_device *netdev,
194                               struct ethtool_cmd *ecmd)
195 {
196         struct ixgbe_adapter *adapter = netdev_priv(netdev);
197         struct ixgbe_hw *hw = &adapter->hw;
198         u32 advertised, old;
199         s32 err;
200
201         switch (hw->phy.media_type) {
202         case ixgbe_media_type_fiber:
203                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
204                     (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
205                         return -EINVAL;
206                 /* in this case we currently only support 10Gb/FULL */
207                 break;
208         case ixgbe_media_type_copper:
209                 /* 10000/copper and 1000/copper must autoneg
210                  * this function does not support any duplex forcing, but can
211                  * limit the advertising of the adapter to only 10000 or 1000 */
212                 if (ecmd->autoneg == AUTONEG_DISABLE)
213                         return -EINVAL;
214
215                 old = hw->phy.autoneg_advertised;
216                 advertised = 0;
217                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
218                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
219
220                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
221                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
222
223                 if (old == advertised)
224                         break;
225                 /* this sets the link speed and restarts auto-neg */
226                 err = hw->mac.ops.setup_link_speed(hw, advertised, true, true);
227                 if (err) {
228                         DPRINTK(PROBE, INFO,
229                                 "setup link failed with code %d\n", err);
230                         hw->mac.ops.setup_link_speed(hw, old, true, true);
231                 }
232                 break;
233         default:
234                 break;
235         }
236
237         return 0;
238 }
239
240 static void ixgbe_get_pauseparam(struct net_device *netdev,
241                                  struct ethtool_pauseparam *pause)
242 {
243         struct ixgbe_adapter *adapter = netdev_priv(netdev);
244         struct ixgbe_hw *hw = &adapter->hw;
245
246         /*
247          * Flow Control Autoneg isn't on if
248          *  - we didn't ask for it OR
249          *  - it failed, we know this by tx & rx being off
250          */
251         if (hw->fc.disable_fc_autoneg ||
252             (hw->fc.current_mode == ixgbe_fc_none))
253                 pause->autoneg = 0;
254         else
255                 pause->autoneg = 1;
256
257 #ifdef CONFIG_DCB
258         if (hw->fc.current_mode == ixgbe_fc_pfc) {
259                 pause->rx_pause = 0;
260                 pause->tx_pause = 0;
261         }
262
263 #endif
264         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
265                 pause->rx_pause = 1;
266         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
267                 pause->tx_pause = 1;
268         } else if (hw->fc.current_mode == ixgbe_fc_full) {
269                 pause->rx_pause = 1;
270                 pause->tx_pause = 1;
271         }
272 }
273
274 static int ixgbe_set_pauseparam(struct net_device *netdev,
275                                 struct ethtool_pauseparam *pause)
276 {
277         struct ixgbe_adapter *adapter = netdev_priv(netdev);
278         struct ixgbe_hw *hw = &adapter->hw;
279
280 #ifdef CONFIG_DCB
281         if (adapter->dcb_cfg.pfc_mode_enable ||
282                 ((hw->mac.type == ixgbe_mac_82598EB) &&
283                 (adapter->flags & IXGBE_FLAG_DCB_ENABLED)))
284                 return -EINVAL;
285
286 #endif
287         if (pause->autoneg != AUTONEG_ENABLE)
288                 hw->fc.disable_fc_autoneg = true;
289         else
290                 hw->fc.disable_fc_autoneg = false;
291
292         if (pause->rx_pause && pause->tx_pause)
293                 hw->fc.requested_mode = ixgbe_fc_full;
294         else if (pause->rx_pause && !pause->tx_pause)
295                 hw->fc.requested_mode = ixgbe_fc_rx_pause;
296         else if (!pause->rx_pause && pause->tx_pause)
297                 hw->fc.requested_mode = ixgbe_fc_tx_pause;
298         else if (!pause->rx_pause && !pause->tx_pause)
299                 hw->fc.requested_mode = ixgbe_fc_none;
300         else
301                 return -EINVAL;
302
303 #ifdef CONFIG_DCB
304         adapter->last_lfc_mode = hw->fc.requested_mode;
305 #endif
306         hw->mac.ops.setup_fc(hw, 0);
307
308         return 0;
309 }
310
311 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
312 {
313         struct ixgbe_adapter *adapter = netdev_priv(netdev);
314         return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
315 }
316
317 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
318 {
319         struct ixgbe_adapter *adapter = netdev_priv(netdev);
320         if (data)
321                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
322         else
323                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
324
325         if (netif_running(netdev))
326                 ixgbe_reinit_locked(adapter);
327         else
328                 ixgbe_reset(adapter);
329
330         return 0;
331 }
332
333 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
334 {
335         return (netdev->features & NETIF_F_IP_CSUM) != 0;
336 }
337
338 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
339 {
340         struct ixgbe_adapter *adapter = netdev_priv(netdev);
341
342         if (data) {
343                 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
344                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
345                         netdev->features |= NETIF_F_SCTP_CSUM;
346         } else {
347                 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
348                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
349                         netdev->features &= ~NETIF_F_SCTP_CSUM;
350         }
351
352         return 0;
353 }
354
355 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
356 {
357         if (data) {
358                 netdev->features |= NETIF_F_TSO;
359                 netdev->features |= NETIF_F_TSO6;
360         } else {
361                 netif_tx_stop_all_queues(netdev);
362                 netdev->features &= ~NETIF_F_TSO;
363                 netdev->features &= ~NETIF_F_TSO6;
364                 netif_tx_start_all_queues(netdev);
365         }
366         return 0;
367 }
368
369 static u32 ixgbe_get_msglevel(struct net_device *netdev)
370 {
371         struct ixgbe_adapter *adapter = netdev_priv(netdev);
372         return adapter->msg_enable;
373 }
374
375 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
376 {
377         struct ixgbe_adapter *adapter = netdev_priv(netdev);
378         adapter->msg_enable = data;
379 }
380
381 static int ixgbe_get_regs_len(struct net_device *netdev)
382 {
383 #define IXGBE_REGS_LEN  1128
384         return IXGBE_REGS_LEN * sizeof(u32);
385 }
386
387 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
388
389 static void ixgbe_get_regs(struct net_device *netdev,
390                            struct ethtool_regs *regs, void *p)
391 {
392         struct ixgbe_adapter *adapter = netdev_priv(netdev);
393         struct ixgbe_hw *hw = &adapter->hw;
394         u32 *regs_buff = p;
395         u8 i;
396
397         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
398
399         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
400
401         /* General Registers */
402         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
403         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
404         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
405         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
406         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
407         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
408         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
409         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
410
411         /* NVM Register */
412         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
413         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
414         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
415         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
416         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
417         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
418         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
419         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
420         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
421         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
422
423         /* Interrupt */
424         /* don't read EICR because it can clear interrupt causes, instead
425          * read EICS which is a shadow but doesn't clear EICR */
426         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
427         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
428         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
429         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
430         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
431         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
432         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
433         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
434         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
435         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
436         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
437         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
438
439         /* Flow Control */
440         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
441         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
442         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
443         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
444         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
445         for (i = 0; i < 8; i++)
446                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
447         for (i = 0; i < 8; i++)
448                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
449         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
450         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
451
452         /* Receive DMA */
453         for (i = 0; i < 64; i++)
454                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
455         for (i = 0; i < 64; i++)
456                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
457         for (i = 0; i < 64; i++)
458                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
459         for (i = 0; i < 64; i++)
460                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
461         for (i = 0; i < 64; i++)
462                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
463         for (i = 0; i < 64; i++)
464                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
465         for (i = 0; i < 16; i++)
466                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
467         for (i = 0; i < 16; i++)
468                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
469         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
470         for (i = 0; i < 8; i++)
471                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
472         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
473         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
474
475         /* Receive */
476         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
477         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
478         for (i = 0; i < 16; i++)
479                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
480         for (i = 0; i < 16; i++)
481                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
482         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
483         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
484         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
485         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
486         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
487         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
488         for (i = 0; i < 8; i++)
489                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
490         for (i = 0; i < 8; i++)
491                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
492         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
493
494         /* Transmit */
495         for (i = 0; i < 32; i++)
496                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
497         for (i = 0; i < 32; i++)
498                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
499         for (i = 0; i < 32; i++)
500                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
501         for (i = 0; i < 32; i++)
502                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
503         for (i = 0; i < 32; i++)
504                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
505         for (i = 0; i < 32; i++)
506                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
507         for (i = 0; i < 32; i++)
508                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
509         for (i = 0; i < 32; i++)
510                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
511         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
512         for (i = 0; i < 16; i++)
513                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
514         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
515         for (i = 0; i < 8; i++)
516                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
517         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
518
519         /* Wake Up */
520         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
521         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
522         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
523         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
524         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
525         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
526         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
527         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
528         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
529
530         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
531         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
532         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
533         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
534         for (i = 0; i < 8; i++)
535                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
536         for (i = 0; i < 8; i++)
537                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
538         for (i = 0; i < 8; i++)
539                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
540         for (i = 0; i < 8; i++)
541                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
542         for (i = 0; i < 8; i++)
543                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
544         for (i = 0; i < 8; i++)
545                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
546
547         /* Statistics */
548         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
549         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
550         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
551         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
552         for (i = 0; i < 8; i++)
553                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
554         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
555         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
556         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
557         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
558         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
559         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
560         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
561         for (i = 0; i < 8; i++)
562                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
563         for (i = 0; i < 8; i++)
564                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
565         for (i = 0; i < 8; i++)
566                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
567         for (i = 0; i < 8; i++)
568                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
569         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
570         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
571         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
572         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
573         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
574         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
575         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
576         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
577         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
578         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
579         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
580         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
581         for (i = 0; i < 8; i++)
582                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
583         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
584         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
585         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
586         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
587         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
588         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
589         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
590         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
591         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
592         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
593         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
594         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
595         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
596         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
597         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
598         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
599         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
600         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
601         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
602         for (i = 0; i < 16; i++)
603                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
604         for (i = 0; i < 16; i++)
605                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
606         for (i = 0; i < 16; i++)
607                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
608         for (i = 0; i < 16; i++)
609                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
610
611         /* MAC */
612         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
613         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
614         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
615         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
616         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
617         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
618         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
619         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
620         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
621         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
622         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
623         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
624         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
625         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
626         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
627         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
628         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
629         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
630         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
631         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
632         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
633         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
634         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
635         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
636         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
637         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
638         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
639         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
640         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
641         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
642         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
643         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
644         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
645
646         /* Diagnostic */
647         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
648         for (i = 0; i < 8; i++)
649                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
650         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
651         for (i = 0; i < 4; i++)
652                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
653         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
654         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
655         for (i = 0; i < 8; i++)
656                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
657         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
658         for (i = 0; i < 4; i++)
659                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
660         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
661         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
662         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
663         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
664         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
665         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
666         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
667         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
668         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
669         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
670         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
671         for (i = 0; i < 8; i++)
672                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
673         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
674         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
675         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
676         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
677         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
678         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
679         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
680         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
681         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
682 }
683
684 static int ixgbe_get_eeprom_len(struct net_device *netdev)
685 {
686         struct ixgbe_adapter *adapter = netdev_priv(netdev);
687         return adapter->hw.eeprom.word_size * 2;
688 }
689
690 static int ixgbe_get_eeprom(struct net_device *netdev,
691                             struct ethtool_eeprom *eeprom, u8 *bytes)
692 {
693         struct ixgbe_adapter *adapter = netdev_priv(netdev);
694         struct ixgbe_hw *hw = &adapter->hw;
695         u16 *eeprom_buff;
696         int first_word, last_word, eeprom_len;
697         int ret_val = 0;
698         u16 i;
699
700         if (eeprom->len == 0)
701                 return -EINVAL;
702
703         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
704
705         first_word = eeprom->offset >> 1;
706         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
707         eeprom_len = last_word - first_word + 1;
708
709         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
710         if (!eeprom_buff)
711                 return -ENOMEM;
712
713         for (i = 0; i < eeprom_len; i++) {
714                 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
715                     &eeprom_buff[i])))
716                         break;
717         }
718
719         /* Device's eeprom is always little-endian, word addressable */
720         for (i = 0; i < eeprom_len; i++)
721                 le16_to_cpus(&eeprom_buff[i]);
722
723         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
724         kfree(eeprom_buff);
725
726         return ret_val;
727 }
728
729 static void ixgbe_get_drvinfo(struct net_device *netdev,
730                               struct ethtool_drvinfo *drvinfo)
731 {
732         struct ixgbe_adapter *adapter = netdev_priv(netdev);
733         char firmware_version[32];
734
735         strncpy(drvinfo->driver, ixgbe_driver_name, 32);
736         strncpy(drvinfo->version, ixgbe_driver_version, 32);
737
738         sprintf(firmware_version, "%d.%d-%d",
739                 (adapter->eeprom_version & 0xF000) >> 12,
740                 (adapter->eeprom_version & 0x0FF0) >> 4,
741                 adapter->eeprom_version & 0x000F);
742
743         strncpy(drvinfo->fw_version, firmware_version, 32);
744         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
745         drvinfo->n_stats = IXGBE_STATS_LEN;
746         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
747 }
748
749 static void ixgbe_get_ringparam(struct net_device *netdev,
750                                 struct ethtool_ringparam *ring)
751 {
752         struct ixgbe_adapter *adapter = netdev_priv(netdev);
753         struct ixgbe_ring *tx_ring = adapter->tx_ring;
754         struct ixgbe_ring *rx_ring = adapter->rx_ring;
755
756         ring->rx_max_pending = IXGBE_MAX_RXD;
757         ring->tx_max_pending = IXGBE_MAX_TXD;
758         ring->rx_mini_max_pending = 0;
759         ring->rx_jumbo_max_pending = 0;
760         ring->rx_pending = rx_ring->count;
761         ring->tx_pending = tx_ring->count;
762         ring->rx_mini_pending = 0;
763         ring->rx_jumbo_pending = 0;
764 }
765
766 static int ixgbe_set_ringparam(struct net_device *netdev,
767                                struct ethtool_ringparam *ring)
768 {
769         struct ixgbe_adapter *adapter = netdev_priv(netdev);
770         struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
771         int i, err;
772         u32 new_rx_count, new_tx_count;
773         bool need_update = false;
774
775         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
776                 return -EINVAL;
777
778         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
779         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
780         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
781
782         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
783         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
784         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
785
786         if ((new_tx_count == adapter->tx_ring->count) &&
787             (new_rx_count == adapter->rx_ring->count)) {
788                 /* nothing to do */
789                 return 0;
790         }
791
792         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
793                 msleep(1);
794
795         temp_tx_ring = kcalloc(adapter->num_tx_queues,
796                                sizeof(struct ixgbe_ring), GFP_KERNEL);
797         if (!temp_tx_ring) {
798                 err = -ENOMEM;
799                 goto err_setup;
800         }
801
802         if (new_tx_count != adapter->tx_ring_count) {
803                 memcpy(temp_tx_ring, adapter->tx_ring,
804                        adapter->num_tx_queues * sizeof(struct ixgbe_ring));
805                 for (i = 0; i < adapter->num_tx_queues; i++) {
806                         temp_tx_ring[i].count = new_tx_count;
807                         err = ixgbe_setup_tx_resources(adapter,
808                                                        &temp_tx_ring[i]);
809                         if (err) {
810                                 while (i) {
811                                         i--;
812                                         ixgbe_free_tx_resources(adapter,
813                                                                 &temp_tx_ring[i]);
814                                 }
815                                 goto err_setup;
816                         }
817                         temp_tx_ring[i].v_idx = adapter->tx_ring[i].v_idx;
818                 }
819                 need_update = true;
820         }
821
822         temp_rx_ring = kcalloc(adapter->num_rx_queues,
823                                sizeof(struct ixgbe_ring), GFP_KERNEL);
824         if ((!temp_rx_ring) && (need_update)) {
825                 for (i = 0; i < adapter->num_tx_queues; i++)
826                         ixgbe_free_tx_resources(adapter, &temp_tx_ring[i]);
827                 kfree(temp_tx_ring);
828                 err = -ENOMEM;
829                 goto err_setup;
830         }
831
832         if (new_rx_count != adapter->rx_ring_count) {
833                 memcpy(temp_rx_ring, adapter->rx_ring,
834                        adapter->num_rx_queues * sizeof(struct ixgbe_ring));
835                 for (i = 0; i < adapter->num_rx_queues; i++) {
836                         temp_rx_ring[i].count = new_rx_count;
837                         err = ixgbe_setup_rx_resources(adapter,
838                                                        &temp_rx_ring[i]);
839                         if (err) {
840                                 while (i) {
841                                         i--;
842                                         ixgbe_free_rx_resources(adapter,
843                                                               &temp_rx_ring[i]);
844                                 }
845                                 goto err_setup;
846                         }
847                         temp_rx_ring[i].v_idx = adapter->rx_ring[i].v_idx;
848                 }
849                 need_update = true;
850         }
851
852         /* if rings need to be updated, here's the place to do it in one shot */
853         if (need_update) {
854                 if (netif_running(netdev))
855                         ixgbe_down(adapter);
856
857                 /* tx */
858                 if (new_tx_count != adapter->tx_ring_count) {
859                         kfree(adapter->tx_ring);
860                         adapter->tx_ring = temp_tx_ring;
861                         temp_tx_ring = NULL;
862                         adapter->tx_ring_count = new_tx_count;
863                 }
864
865                 /* rx */
866                 if (new_rx_count != adapter->rx_ring_count) {
867                         kfree(adapter->rx_ring);
868                         adapter->rx_ring = temp_rx_ring;
869                         temp_rx_ring = NULL;
870                         adapter->rx_ring_count = new_rx_count;
871                 }
872         }
873
874         /* success! */
875         err = 0;
876         if (netif_running(netdev))
877                 ixgbe_up(adapter);
878
879 err_setup:
880         clear_bit(__IXGBE_RESETTING, &adapter->state);
881         return err;
882 }
883
884 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
885 {
886         switch (sset) {
887         case ETH_SS_STATS:
888                 return IXGBE_STATS_LEN;
889         default:
890                 return -EOPNOTSUPP;
891         }
892 }
893
894 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
895                                     struct ethtool_stats *stats, u64 *data)
896 {
897         struct ixgbe_adapter *adapter = netdev_priv(netdev);
898         u64 *queue_stat;
899         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
900         int j, k;
901         int i;
902
903         ixgbe_update_stats(adapter);
904         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
905                 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
906                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
907                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
908         }
909         for (j = 0; j < adapter->num_tx_queues; j++) {
910                 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
911                 for (k = 0; k < stat_count; k++)
912                         data[i + k] = queue_stat[k];
913                 i += k;
914         }
915         for (j = 0; j < adapter->num_rx_queues; j++) {
916                 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
917                 for (k = 0; k < stat_count; k++)
918                         data[i + k] = queue_stat[k];
919                 i += k;
920         }
921         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
922                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
923                         data[i++] = adapter->stats.pxontxc[j];
924                         data[i++] = adapter->stats.pxofftxc[j];
925                 }
926                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
927                         data[i++] = adapter->stats.pxonrxc[j];
928                         data[i++] = adapter->stats.pxoffrxc[j];
929                 }
930         }
931 }
932
933 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
934                               u8 *data)
935 {
936         struct ixgbe_adapter *adapter = netdev_priv(netdev);
937         char *p = (char *)data;
938         int i;
939
940         switch (stringset) {
941         case ETH_SS_STATS:
942                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
943                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
944                                ETH_GSTRING_LEN);
945                         p += ETH_GSTRING_LEN;
946                 }
947                 for (i = 0; i < adapter->num_tx_queues; i++) {
948                         sprintf(p, "tx_queue_%u_packets", i);
949                         p += ETH_GSTRING_LEN;
950                         sprintf(p, "tx_queue_%u_bytes", i);
951                         p += ETH_GSTRING_LEN;
952                 }
953                 for (i = 0; i < adapter->num_rx_queues; i++) {
954                         sprintf(p, "rx_queue_%u_packets", i);
955                         p += ETH_GSTRING_LEN;
956                         sprintf(p, "rx_queue_%u_bytes", i);
957                         p += ETH_GSTRING_LEN;
958                 }
959                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
960                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
961                                 sprintf(p, "tx_pb_%u_pxon", i);
962                                 p += ETH_GSTRING_LEN;
963                                 sprintf(p, "tx_pb_%u_pxoff", i);
964                                 p += ETH_GSTRING_LEN;
965                         }
966                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
967                                 sprintf(p, "rx_pb_%u_pxon", i);
968                                 p += ETH_GSTRING_LEN;
969                                 sprintf(p, "rx_pb_%u_pxoff", i);
970                                 p += ETH_GSTRING_LEN;
971                         }
972                 }
973                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
974                 break;
975         }
976 }
977
978
979 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
980                                struct ethtool_wolinfo *wol)
981 {
982         struct ixgbe_hw *hw = &adapter->hw;
983         int retval = 1;
984
985         switch(hw->device_id) {
986         case IXGBE_DEV_ID_82599_KX4:
987                 retval = 0;
988                 break;
989         default:
990                 wol->supported = 0;
991                 retval = 0;
992         }
993
994         return retval;
995 }
996
997 static void ixgbe_get_wol(struct net_device *netdev,
998                           struct ethtool_wolinfo *wol)
999 {
1000         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1001
1002         wol->supported = WAKE_UCAST | WAKE_MCAST |
1003                          WAKE_BCAST | WAKE_MAGIC;
1004         wol->wolopts = 0;
1005
1006         if (ixgbe_wol_exclusion(adapter, wol) ||
1007             !device_can_wakeup(&adapter->pdev->dev))
1008                 return;
1009
1010         if (adapter->wol & IXGBE_WUFC_EX)
1011                 wol->wolopts |= WAKE_UCAST;
1012         if (adapter->wol & IXGBE_WUFC_MC)
1013                 wol->wolopts |= WAKE_MCAST;
1014         if (adapter->wol & IXGBE_WUFC_BC)
1015                 wol->wolopts |= WAKE_BCAST;
1016         if (adapter->wol & IXGBE_WUFC_MAG)
1017                 wol->wolopts |= WAKE_MAGIC;
1018
1019         return;
1020 }
1021
1022 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1023 {
1024         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1025
1026         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1027                 return -EOPNOTSUPP;
1028
1029         if (ixgbe_wol_exclusion(adapter, wol))
1030                 return wol->wolopts ? -EOPNOTSUPP : 0;
1031
1032         adapter->wol = 0;
1033
1034         if (wol->wolopts & WAKE_UCAST)
1035                 adapter->wol |= IXGBE_WUFC_EX;
1036         if (wol->wolopts & WAKE_MCAST)
1037                 adapter->wol |= IXGBE_WUFC_MC;
1038         if (wol->wolopts & WAKE_BCAST)
1039                 adapter->wol |= IXGBE_WUFC_BC;
1040         if (wol->wolopts & WAKE_MAGIC)
1041                 adapter->wol |= IXGBE_WUFC_MAG;
1042
1043         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1044
1045         return 0;
1046 }
1047
1048 static int ixgbe_nway_reset(struct net_device *netdev)
1049 {
1050         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1051
1052         if (netif_running(netdev))
1053                 ixgbe_reinit_locked(adapter);
1054
1055         return 0;
1056 }
1057
1058 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
1059 {
1060         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1061         struct ixgbe_hw *hw = &adapter->hw;
1062         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1063         u32 i;
1064
1065         if (!data || data > 300)
1066                 data = 300;
1067
1068         for (i = 0; i < (data * 1000); i += 400) {
1069                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
1070                 msleep_interruptible(200);
1071                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
1072                 msleep_interruptible(200);
1073         }
1074
1075         /* Restore LED settings */
1076         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
1077
1078         return 0;
1079 }
1080
1081 static int ixgbe_get_coalesce(struct net_device *netdev,
1082                               struct ethtool_coalesce *ec)
1083 {
1084         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1085
1086         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
1087
1088         /* only valid if in constant ITR mode */
1089         switch (adapter->itr_setting) {
1090         case 0:
1091                 /* throttling disabled */
1092                 ec->rx_coalesce_usecs = 0;
1093                 break;
1094         case 1:
1095                 /* dynamic ITR mode */
1096                 ec->rx_coalesce_usecs = 1;
1097                 break;
1098         default:
1099                 /* fixed interrupt rate mode */
1100                 ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
1101                 break;
1102         }
1103         return 0;
1104 }
1105
1106 static int ixgbe_set_coalesce(struct net_device *netdev,
1107                               struct ethtool_coalesce *ec)
1108 {
1109         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1110         int i;
1111
1112         if (ec->tx_max_coalesced_frames_irq)
1113                 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
1114
1115         if (ec->rx_coalesce_usecs > 1) {
1116                 /* check the limits */
1117                 if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
1118                     (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
1119                         return -EINVAL;
1120
1121                 /* store the value in ints/second */
1122                 adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
1123
1124                 /* static value of interrupt rate */
1125                 adapter->itr_setting = adapter->eitr_param;
1126                 /* clear the lower bit as its used for dynamic state */
1127                 adapter->itr_setting &= ~1;
1128         } else if (ec->rx_coalesce_usecs == 1) {
1129                 /* 1 means dynamic mode */
1130                 adapter->eitr_param = 20000;
1131                 adapter->itr_setting = 1;
1132         } else {
1133                 /*
1134                  * any other value means disable eitr, which is best
1135                  * served by setting the interrupt rate very high
1136                  */
1137                 adapter->eitr_param = IXGBE_MAX_INT_RATE;
1138                 adapter->itr_setting = 0;
1139         }
1140
1141         for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
1142                 struct ixgbe_q_vector *q_vector = adapter->q_vector[i];
1143                 if (q_vector->txr_count && !q_vector->rxr_count)
1144                         /* tx vector gets half the rate */
1145                         q_vector->eitr = (adapter->eitr_param >> 1);
1146                 else
1147                         /* rx only or mixed */
1148                         q_vector->eitr = adapter->eitr_param;
1149                 ixgbe_write_eitr(adapter, i,
1150                                  EITR_INTS_PER_SEC_TO_REG(q_vector->eitr));
1151         }
1152
1153         return 0;
1154 }
1155
1156 static int ixgbe_set_flags(struct net_device *netdev, u32 data)
1157 {
1158         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1159
1160         ethtool_op_set_flags(netdev, data);
1161
1162         if (!(adapter->flags & IXGBE_FLAG_RSC_CAPABLE))
1163                 return 0;
1164
1165         /* if state changes we need to update adapter->flags and reset */
1166         if ((!!(data & ETH_FLAG_LRO)) != 
1167             (!!(adapter->flags & IXGBE_FLAG_RSC_ENABLED))) {
1168                 adapter->flags ^= IXGBE_FLAG_RSC_ENABLED;
1169                 if (netif_running(netdev))
1170                         ixgbe_reinit_locked(adapter);
1171                 else
1172                         ixgbe_reset(adapter);
1173         }
1174         return 0;
1175
1176 }
1177
1178 static const struct ethtool_ops ixgbe_ethtool_ops = {
1179         .get_settings           = ixgbe_get_settings,
1180         .set_settings           = ixgbe_set_settings,
1181         .get_drvinfo            = ixgbe_get_drvinfo,
1182         .get_regs_len           = ixgbe_get_regs_len,
1183         .get_regs               = ixgbe_get_regs,
1184         .get_wol                = ixgbe_get_wol,
1185         .set_wol                = ixgbe_set_wol,
1186         .nway_reset             = ixgbe_nway_reset,
1187         .get_link               = ethtool_op_get_link,
1188         .get_eeprom_len         = ixgbe_get_eeprom_len,
1189         .get_eeprom             = ixgbe_get_eeprom,
1190         .get_ringparam          = ixgbe_get_ringparam,
1191         .set_ringparam          = ixgbe_set_ringparam,
1192         .get_pauseparam         = ixgbe_get_pauseparam,
1193         .set_pauseparam         = ixgbe_set_pauseparam,
1194         .get_rx_csum            = ixgbe_get_rx_csum,
1195         .set_rx_csum            = ixgbe_set_rx_csum,
1196         .get_tx_csum            = ixgbe_get_tx_csum,
1197         .set_tx_csum            = ixgbe_set_tx_csum,
1198         .get_sg                 = ethtool_op_get_sg,
1199         .set_sg                 = ethtool_op_set_sg,
1200         .get_msglevel           = ixgbe_get_msglevel,
1201         .set_msglevel           = ixgbe_set_msglevel,
1202         .get_tso                = ethtool_op_get_tso,
1203         .set_tso                = ixgbe_set_tso,
1204         .get_strings            = ixgbe_get_strings,
1205         .phys_id                = ixgbe_phys_id,
1206         .get_sset_count         = ixgbe_get_sset_count,
1207         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
1208         .get_coalesce           = ixgbe_get_coalesce,
1209         .set_coalesce           = ixgbe_set_coalesce,
1210         .get_flags              = ethtool_op_get_flags,
1211         .set_flags              = ixgbe_set_flags,
1212 };
1213
1214 void ixgbe_set_ethtool_ops(struct net_device *netdev)
1215 {
1216         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
1217 }