ixgbe: Correctly report Wake On LAN for 82599 KX4 devices
[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         {"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         {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
93 };
94
95 #define IXGBE_QUEUE_STATS_LEN \
96         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
97         ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
98         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
99 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
100 #define IXGBE_PB_STATS_LEN ( \
101                  (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
102                  IXGBE_FLAG_DCB_ENABLED) ? \
103                  (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
104                   sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
105                   sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
106                   sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
107                   / sizeof(u64) : 0)
108 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
109                          IXGBE_PB_STATS_LEN + \
110                          IXGBE_QUEUE_STATS_LEN)
111
112 static int ixgbe_get_settings(struct net_device *netdev,
113                               struct ethtool_cmd *ecmd)
114 {
115         struct ixgbe_adapter *adapter = netdev_priv(netdev);
116         struct ixgbe_hw *hw = &adapter->hw;
117         u32 link_speed = 0;
118         bool link_up;
119
120         ecmd->supported = SUPPORTED_10000baseT_Full;
121         ecmd->autoneg = AUTONEG_ENABLE;
122         ecmd->transceiver = XCVR_EXTERNAL;
123         if (hw->phy.media_type == ixgbe_media_type_copper) {
124                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
125                                     SUPPORTED_TP | SUPPORTED_Autoneg);
126
127                 ecmd->advertising = (ADVERTISED_TP | ADVERTISED_Autoneg);
128                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
129                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
130                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
131                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
132
133                 ecmd->port = PORT_TP;
134         } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
135                 /* Set as FIBRE until SERDES defined in kernel */
136                 switch (hw->device_id) {
137                 case IXGBE_DEV_ID_82598:
138                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
139                                 SUPPORTED_FIBRE);
140                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
141                                 ADVERTISED_1000baseT_Full |
142                                 ADVERTISED_FIBRE);
143                         ecmd->port = PORT_FIBRE;
144                         break;
145                 case IXGBE_DEV_ID_82598_BX:
146                         ecmd->supported = (SUPPORTED_1000baseT_Full |
147                                            SUPPORTED_FIBRE);
148                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
149                                              ADVERTISED_FIBRE);
150                         ecmd->port = PORT_FIBRE;
151                         ecmd->autoneg = AUTONEG_DISABLE;
152                         break;
153                 }
154         } else {
155                 ecmd->supported |= SUPPORTED_FIBRE;
156                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
157                                      ADVERTISED_FIBRE);
158                 ecmd->port = PORT_FIBRE;
159                 ecmd->autoneg = AUTONEG_DISABLE;
160         }
161
162         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
163         if (link_up) {
164                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
165                                SPEED_10000 : SPEED_1000;
166                 ecmd->duplex = DUPLEX_FULL;
167         } else {
168                 ecmd->speed = -1;
169                 ecmd->duplex = -1;
170         }
171
172         return 0;
173 }
174
175 static int ixgbe_set_settings(struct net_device *netdev,
176                               struct ethtool_cmd *ecmd)
177 {
178         struct ixgbe_adapter *adapter = netdev_priv(netdev);
179         struct ixgbe_hw *hw = &adapter->hw;
180         u32 advertised, old;
181         s32 err;
182
183         switch (hw->phy.media_type) {
184         case ixgbe_media_type_fiber:
185                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
186                     (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
187                         return -EINVAL;
188                 /* in this case we currently only support 10Gb/FULL */
189                 break;
190         case ixgbe_media_type_copper:
191                 /* 10000/copper and 1000/copper must autoneg
192                  * this function does not support any duplex forcing, but can
193                  * limit the advertising of the adapter to only 10000 or 1000 */
194                 if (ecmd->autoneg == AUTONEG_DISABLE)
195                         return -EINVAL;
196
197                 old = hw->phy.autoneg_advertised;
198                 advertised = 0;
199                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
200                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
201
202                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
203                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
204
205                 if (old == advertised)
206                         break;
207                 /* this sets the link speed and restarts auto-neg */
208                 err = hw->mac.ops.setup_link_speed(hw, advertised, true, true);
209                 if (err) {
210                         DPRINTK(PROBE, INFO,
211                                 "setup link failed with code %d\n", err);
212                         hw->mac.ops.setup_link_speed(hw, old, true, true);
213                 }
214                 break;
215         default:
216                 break;
217         }
218
219         return 0;
220 }
221
222 static void ixgbe_get_pauseparam(struct net_device *netdev,
223                                  struct ethtool_pauseparam *pause)
224 {
225         struct ixgbe_adapter *adapter = netdev_priv(netdev);
226         struct ixgbe_hw *hw = &adapter->hw;
227
228         pause->autoneg = (hw->fc.current_mode == ixgbe_fc_full ? 1 : 0);
229
230         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
231                 pause->rx_pause = 1;
232         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
233                 pause->tx_pause = 1;
234         } else if (hw->fc.current_mode == ixgbe_fc_full) {
235                 pause->rx_pause = 1;
236                 pause->tx_pause = 1;
237         }
238 }
239
240 static int ixgbe_set_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         if ((pause->autoneg == AUTONEG_ENABLE) ||
247             (pause->rx_pause && pause->tx_pause))
248                 hw->fc.requested_mode = ixgbe_fc_full;
249         else if (pause->rx_pause && !pause->tx_pause)
250                 hw->fc.requested_mode = ixgbe_fc_rx_pause;
251         else if (!pause->rx_pause && pause->tx_pause)
252                 hw->fc.requested_mode = ixgbe_fc_tx_pause;
253         else if (!pause->rx_pause && !pause->tx_pause)
254                 hw->fc.requested_mode = ixgbe_fc_none;
255         else
256                 return -EINVAL;
257
258         hw->mac.ops.setup_fc(hw, 0);
259
260         return 0;
261 }
262
263 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
264 {
265         struct ixgbe_adapter *adapter = netdev_priv(netdev);
266         return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
267 }
268
269 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
270 {
271         struct ixgbe_adapter *adapter = netdev_priv(netdev);
272         if (data)
273                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
274         else
275                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
276
277         if (netif_running(netdev))
278                 ixgbe_reinit_locked(adapter);
279         else
280                 ixgbe_reset(adapter);
281
282         return 0;
283 }
284
285 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
286 {
287         return (netdev->features & NETIF_F_IP_CSUM) != 0;
288 }
289
290 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
291 {
292         if (data)
293                 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
294         else
295                 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
296
297         return 0;
298 }
299
300 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
301 {
302         if (data) {
303                 netdev->features |= NETIF_F_TSO;
304                 netdev->features |= NETIF_F_TSO6;
305         } else {
306                 netif_tx_stop_all_queues(netdev);
307                 netdev->features &= ~NETIF_F_TSO;
308                 netdev->features &= ~NETIF_F_TSO6;
309                 netif_tx_start_all_queues(netdev);
310         }
311         return 0;
312 }
313
314 static u32 ixgbe_get_msglevel(struct net_device *netdev)
315 {
316         struct ixgbe_adapter *adapter = netdev_priv(netdev);
317         return adapter->msg_enable;
318 }
319
320 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
321 {
322         struct ixgbe_adapter *adapter = netdev_priv(netdev);
323         adapter->msg_enable = data;
324 }
325
326 static int ixgbe_get_regs_len(struct net_device *netdev)
327 {
328 #define IXGBE_REGS_LEN  1128
329         return IXGBE_REGS_LEN * sizeof(u32);
330 }
331
332 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
333
334 static void ixgbe_get_regs(struct net_device *netdev,
335                            struct ethtool_regs *regs, void *p)
336 {
337         struct ixgbe_adapter *adapter = netdev_priv(netdev);
338         struct ixgbe_hw *hw = &adapter->hw;
339         u32 *regs_buff = p;
340         u8 i;
341
342         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
343
344         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
345
346         /* General Registers */
347         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
348         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
349         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
350         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
351         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
352         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
353         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
354         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
355
356         /* NVM Register */
357         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
358         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
359         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
360         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
361         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
362         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
363         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
364         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
365         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
366         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
367
368         /* Interrupt */
369         /* don't read EICR because it can clear interrupt causes, instead
370          * read EICS which is a shadow but doesn't clear EICR */
371         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
372         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
373         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
374         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
375         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
376         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
377         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
378         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
379         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
380         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
381         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
382         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
383
384         /* Flow Control */
385         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
386         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
387         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
388         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
389         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
390         for (i = 0; i < 8; i++)
391                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
392         for (i = 0; i < 8; i++)
393                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
394         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
395         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
396
397         /* Receive DMA */
398         for (i = 0; i < 64; i++)
399                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
400         for (i = 0; i < 64; i++)
401                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
402         for (i = 0; i < 64; i++)
403                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
404         for (i = 0; i < 64; i++)
405                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
406         for (i = 0; i < 64; i++)
407                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
408         for (i = 0; i < 64; i++)
409                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
410         for (i = 0; i < 16; i++)
411                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
412         for (i = 0; i < 16; i++)
413                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
414         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
415         for (i = 0; i < 8; i++)
416                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
417         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
418         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
419
420         /* Receive */
421         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
422         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
423         for (i = 0; i < 16; i++)
424                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
425         for (i = 0; i < 16; i++)
426                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
427         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
428         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
429         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
430         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
431         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
432         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
433         for (i = 0; i < 8; i++)
434                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
435         for (i = 0; i < 8; i++)
436                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
437         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
438
439         /* Transmit */
440         for (i = 0; i < 32; i++)
441                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
442         for (i = 0; i < 32; i++)
443                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
444         for (i = 0; i < 32; i++)
445                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
446         for (i = 0; i < 32; i++)
447                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
448         for (i = 0; i < 32; i++)
449                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
450         for (i = 0; i < 32; i++)
451                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
452         for (i = 0; i < 32; i++)
453                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
454         for (i = 0; i < 32; i++)
455                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
456         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
457         for (i = 0; i < 16; i++)
458                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
459         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
460         for (i = 0; i < 8; i++)
461                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
462         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
463
464         /* Wake Up */
465         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
466         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
467         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
468         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
469         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
470         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
471         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
472         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
473         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
474
475         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
476         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
477         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
478         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
479         for (i = 0; i < 8; i++)
480                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
481         for (i = 0; i < 8; i++)
482                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
483         for (i = 0; i < 8; i++)
484                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
485         for (i = 0; i < 8; i++)
486                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
487         for (i = 0; i < 8; i++)
488                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
489         for (i = 0; i < 8; i++)
490                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
491
492         /* Statistics */
493         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
494         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
495         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
496         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
497         for (i = 0; i < 8; i++)
498                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
499         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
500         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
501         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
502         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
503         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
504         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
505         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
506         for (i = 0; i < 8; i++)
507                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
508         for (i = 0; i < 8; i++)
509                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
510         for (i = 0; i < 8; i++)
511                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
512         for (i = 0; i < 8; i++)
513                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
514         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
515         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
516         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
517         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
518         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
519         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
520         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
521         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
522         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
523         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
524         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
525         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
526         for (i = 0; i < 8; i++)
527                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
528         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
529         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
530         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
531         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
532         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
533         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
534         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
535         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
536         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
537         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
538         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
539         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
540         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
541         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
542         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
543         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
544         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
545         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
546         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
547         for (i = 0; i < 16; i++)
548                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
549         for (i = 0; i < 16; i++)
550                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
551         for (i = 0; i < 16; i++)
552                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
553         for (i = 0; i < 16; i++)
554                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
555
556         /* MAC */
557         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
558         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
559         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
560         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
561         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
562         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
563         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
564         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
565         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
566         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
567         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
568         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
569         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
570         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
571         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
572         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
573         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
574         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
575         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
576         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
577         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
578         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
579         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
580         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
581         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
582         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
583         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
584         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
585         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
586         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
587         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
588         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
589         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
590
591         /* Diagnostic */
592         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
593         for (i = 0; i < 8; i++)
594                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
595         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
596         for (i = 0; i < 4; i++)
597                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
598         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
599         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
600         for (i = 0; i < 8; i++)
601                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
602         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
603         for (i = 0; i < 4; i++)
604                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
605         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
606         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
607         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
608         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
609         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
610         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
611         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
612         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
613         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
614         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
615         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
616         for (i = 0; i < 8; i++)
617                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
618         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
619         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
620         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
621         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
622         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
623         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
624         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
625         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
626         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
627 }
628
629 static int ixgbe_get_eeprom_len(struct net_device *netdev)
630 {
631         struct ixgbe_adapter *adapter = netdev_priv(netdev);
632         return adapter->hw.eeprom.word_size * 2;
633 }
634
635 static int ixgbe_get_eeprom(struct net_device *netdev,
636                             struct ethtool_eeprom *eeprom, u8 *bytes)
637 {
638         struct ixgbe_adapter *adapter = netdev_priv(netdev);
639         struct ixgbe_hw *hw = &adapter->hw;
640         u16 *eeprom_buff;
641         int first_word, last_word, eeprom_len;
642         int ret_val = 0;
643         u16 i;
644
645         if (eeprom->len == 0)
646                 return -EINVAL;
647
648         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
649
650         first_word = eeprom->offset >> 1;
651         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
652         eeprom_len = last_word - first_word + 1;
653
654         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
655         if (!eeprom_buff)
656                 return -ENOMEM;
657
658         for (i = 0; i < eeprom_len; i++) {
659                 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
660                     &eeprom_buff[i])))
661                         break;
662         }
663
664         /* Device's eeprom is always little-endian, word addressable */
665         for (i = 0; i < eeprom_len; i++)
666                 le16_to_cpus(&eeprom_buff[i]);
667
668         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
669         kfree(eeprom_buff);
670
671         return ret_val;
672 }
673
674 static void ixgbe_get_drvinfo(struct net_device *netdev,
675                               struct ethtool_drvinfo *drvinfo)
676 {
677         struct ixgbe_adapter *adapter = netdev_priv(netdev);
678         char firmware_version[32];
679
680         strncpy(drvinfo->driver, ixgbe_driver_name, 32);
681         strncpy(drvinfo->version, ixgbe_driver_version, 32);
682
683         sprintf(firmware_version, "%d.%d-%d",
684                 (adapter->eeprom_version & 0xF000) >> 12,
685                 (adapter->eeprom_version & 0x0FF0) >> 4,
686                 adapter->eeprom_version & 0x000F);
687
688         strncpy(drvinfo->fw_version, firmware_version, 32);
689         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
690         drvinfo->n_stats = IXGBE_STATS_LEN;
691         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
692 }
693
694 static void ixgbe_get_ringparam(struct net_device *netdev,
695                                 struct ethtool_ringparam *ring)
696 {
697         struct ixgbe_adapter *adapter = netdev_priv(netdev);
698         struct ixgbe_ring *tx_ring = adapter->tx_ring;
699         struct ixgbe_ring *rx_ring = adapter->rx_ring;
700
701         ring->rx_max_pending = IXGBE_MAX_RXD;
702         ring->tx_max_pending = IXGBE_MAX_TXD;
703         ring->rx_mini_max_pending = 0;
704         ring->rx_jumbo_max_pending = 0;
705         ring->rx_pending = rx_ring->count;
706         ring->tx_pending = tx_ring->count;
707         ring->rx_mini_pending = 0;
708         ring->rx_jumbo_pending = 0;
709 }
710
711 static int ixgbe_set_ringparam(struct net_device *netdev,
712                                struct ethtool_ringparam *ring)
713 {
714         struct ixgbe_adapter *adapter = netdev_priv(netdev);
715         struct ixgbe_ring *temp_ring;
716         int i, err;
717         u32 new_rx_count, new_tx_count;
718
719         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
720                 return -EINVAL;
721
722         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
723         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
724         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
725
726         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
727         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
728         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
729
730         if ((new_tx_count == adapter->tx_ring->count) &&
731             (new_rx_count == adapter->rx_ring->count)) {
732                 /* nothing to do */
733                 return 0;
734         }
735
736         temp_ring = kcalloc(adapter->num_tx_queues,
737                             sizeof(struct ixgbe_ring), GFP_KERNEL);
738         if (!temp_ring)
739                 return -ENOMEM;
740
741         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
742                 msleep(1);
743
744         if (new_tx_count != adapter->tx_ring->count) {
745                 for (i = 0; i < adapter->num_tx_queues; i++) {
746                         temp_ring[i].count = new_tx_count;
747                         err = ixgbe_setup_tx_resources(adapter, &temp_ring[i]);
748                         if (err) {
749                                 while (i) {
750                                         i--;
751                                         ixgbe_free_tx_resources(adapter,
752                                                                 &temp_ring[i]);
753                                 }
754                                 goto err_setup;
755                         }
756                         temp_ring[i].v_idx = adapter->tx_ring[i].v_idx;
757                 }
758                 if (netif_running(netdev))
759                         netdev->netdev_ops->ndo_stop(netdev);
760                 ixgbe_reset_interrupt_capability(adapter);
761                 ixgbe_napi_del_all(adapter);
762                 INIT_LIST_HEAD(&netdev->napi_list);
763                 kfree(adapter->tx_ring);
764                 adapter->tx_ring = temp_ring;
765                 temp_ring = NULL;
766                 adapter->tx_ring_count = new_tx_count;
767         }
768
769         temp_ring = kcalloc(adapter->num_rx_queues,
770                             sizeof(struct ixgbe_ring), GFP_KERNEL);
771         if (!temp_ring) {
772                 if (netif_running(netdev))
773                         netdev->netdev_ops->ndo_open(netdev);
774                 return -ENOMEM;
775         }
776
777         if (new_rx_count != adapter->rx_ring->count) {
778                 for (i = 0; i < adapter->num_rx_queues; i++) {
779                         temp_ring[i].count = new_rx_count;
780                         err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]);
781                         if (err) {
782                                 while (i) {
783                                         i--;
784                                         ixgbe_free_rx_resources(adapter,
785                                                                 &temp_ring[i]);
786                                 }
787                                 goto err_setup;
788                         }
789                         temp_ring[i].v_idx = adapter->rx_ring[i].v_idx;
790                 }
791                 if (netif_running(netdev))
792                         netdev->netdev_ops->ndo_stop(netdev);
793                 ixgbe_reset_interrupt_capability(adapter);
794                 ixgbe_napi_del_all(adapter);
795                 INIT_LIST_HEAD(&netdev->napi_list);
796                 kfree(adapter->rx_ring);
797                 adapter->rx_ring = temp_ring;
798                 temp_ring = NULL;
799
800                 adapter->rx_ring_count = new_rx_count;
801         }
802
803         /* success! */
804         err = 0;
805 err_setup:
806         ixgbe_init_interrupt_scheme(adapter);
807         if (netif_running(netdev))
808                 netdev->netdev_ops->ndo_open(netdev);
809
810         clear_bit(__IXGBE_RESETTING, &adapter->state);
811         return err;
812 }
813
814 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
815 {
816         switch (sset) {
817         case ETH_SS_STATS:
818                 return IXGBE_STATS_LEN;
819         default:
820                 return -EOPNOTSUPP;
821         }
822 }
823
824 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
825                                     struct ethtool_stats *stats, u64 *data)
826 {
827         struct ixgbe_adapter *adapter = netdev_priv(netdev);
828         u64 *queue_stat;
829         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
830         int j, k;
831         int i;
832
833         ixgbe_update_stats(adapter);
834         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
835                 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
836                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
837                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
838         }
839         for (j = 0; j < adapter->num_tx_queues; j++) {
840                 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
841                 for (k = 0; k < stat_count; k++)
842                         data[i + k] = queue_stat[k];
843                 i += k;
844         }
845         for (j = 0; j < adapter->num_rx_queues; j++) {
846                 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
847                 for (k = 0; k < stat_count; k++)
848                         data[i + k] = queue_stat[k];
849                 i += k;
850         }
851         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
852                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
853                         data[i++] = adapter->stats.pxontxc[j];
854                         data[i++] = adapter->stats.pxofftxc[j];
855                 }
856                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
857                         data[i++] = adapter->stats.pxonrxc[j];
858                         data[i++] = adapter->stats.pxoffrxc[j];
859                 }
860         }
861 }
862
863 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
864                               u8 *data)
865 {
866         struct ixgbe_adapter *adapter = netdev_priv(netdev);
867         char *p = (char *)data;
868         int i;
869
870         switch (stringset) {
871         case ETH_SS_STATS:
872                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
873                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
874                                ETH_GSTRING_LEN);
875                         p += ETH_GSTRING_LEN;
876                 }
877                 for (i = 0; i < adapter->num_tx_queues; i++) {
878                         sprintf(p, "tx_queue_%u_packets", i);
879                         p += ETH_GSTRING_LEN;
880                         sprintf(p, "tx_queue_%u_bytes", i);
881                         p += ETH_GSTRING_LEN;
882                 }
883                 for (i = 0; i < adapter->num_rx_queues; i++) {
884                         sprintf(p, "rx_queue_%u_packets", i);
885                         p += ETH_GSTRING_LEN;
886                         sprintf(p, "rx_queue_%u_bytes", i);
887                         p += ETH_GSTRING_LEN;
888                 }
889                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
890                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
891                                 sprintf(p, "tx_pb_%u_pxon", i);
892                                 p += ETH_GSTRING_LEN;
893                                 sprintf(p, "tx_pb_%u_pxoff", i);
894                                 p += ETH_GSTRING_LEN;
895                         }
896                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
897                                 sprintf(p, "rx_pb_%u_pxon", i);
898                                 p += ETH_GSTRING_LEN;
899                                 sprintf(p, "rx_pb_%u_pxoff", i);
900                                 p += ETH_GSTRING_LEN;
901                         }
902                 }
903                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
904                 break;
905         }
906 }
907
908
909 static void ixgbe_get_wol(struct net_device *netdev,
910                           struct ethtool_wolinfo *wol)
911 {
912         struct ixgbe_adapter *adapter = netdev_priv(netdev);
913
914         wol->supported = WAKE_UCAST | WAKE_MCAST |
915                          WAKE_BCAST | WAKE_MAGIC;
916         wol->wolopts = 0;
917
918         if (!device_can_wakeup(&adapter->pdev->dev))
919                 return;
920
921         if (adapter->wol & IXGBE_WUFC_EX)
922                 wol->wolopts |= WAKE_UCAST;
923         if (adapter->wol & IXGBE_WUFC_MC)
924                 wol->wolopts |= WAKE_MCAST;
925         if (adapter->wol & IXGBE_WUFC_BC)
926                 wol->wolopts |= WAKE_BCAST;
927         if (adapter->wol & IXGBE_WUFC_MAG)
928                 wol->wolopts |= WAKE_MAGIC;
929
930         return;
931 }
932
933 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
934 {
935         struct ixgbe_adapter *adapter = netdev_priv(netdev);
936
937         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
938                 return -EOPNOTSUPP;
939
940         adapter->wol = 0;
941
942         if (wol->wolopts & WAKE_UCAST)
943                 adapter->wol |= IXGBE_WUFC_EX;
944         if (wol->wolopts & WAKE_MCAST)
945                 adapter->wol |= IXGBE_WUFC_MC;
946         if (wol->wolopts & WAKE_BCAST)
947                 adapter->wol |= IXGBE_WUFC_BC;
948         if (wol->wolopts & WAKE_MAGIC)
949                 adapter->wol |= IXGBE_WUFC_MAG;
950
951         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
952
953         return 0;
954 }
955
956 static int ixgbe_nway_reset(struct net_device *netdev)
957 {
958         struct ixgbe_adapter *adapter = netdev_priv(netdev);
959
960         if (netif_running(netdev))
961                 ixgbe_reinit_locked(adapter);
962
963         return 0;
964 }
965
966 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
967 {
968         struct ixgbe_adapter *adapter = netdev_priv(netdev);
969         struct ixgbe_hw *hw = &adapter->hw;
970         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
971         u32 i;
972
973         if (!data || data > 300)
974                 data = 300;
975
976         for (i = 0; i < (data * 1000); i += 400) {
977                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
978                 msleep_interruptible(200);
979                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
980                 msleep_interruptible(200);
981         }
982
983         /* Restore LED settings */
984         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
985
986         return 0;
987 }
988
989 static int ixgbe_get_coalesce(struct net_device *netdev,
990                               struct ethtool_coalesce *ec)
991 {
992         struct ixgbe_adapter *adapter = netdev_priv(netdev);
993
994         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
995
996         /* only valid if in constant ITR mode */
997         switch (adapter->itr_setting) {
998         case 0:
999                 /* throttling disabled */
1000                 ec->rx_coalesce_usecs = 0;
1001                 break;
1002         case 1:
1003                 /* dynamic ITR mode */
1004                 ec->rx_coalesce_usecs = 1;
1005                 break;
1006         default:
1007                 /* fixed interrupt rate mode */
1008                 ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
1009                 break;
1010         }
1011         return 0;
1012 }
1013
1014 static int ixgbe_set_coalesce(struct net_device *netdev,
1015                               struct ethtool_coalesce *ec)
1016 {
1017         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1018         int i;
1019
1020         if (ec->tx_max_coalesced_frames_irq)
1021                 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
1022
1023         if (ec->rx_coalesce_usecs > 1) {
1024                 /* check the limits */
1025                 if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
1026                     (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
1027                         return -EINVAL;
1028
1029                 /* store the value in ints/second */
1030                 adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
1031
1032                 /* static value of interrupt rate */
1033                 adapter->itr_setting = adapter->eitr_param;
1034                 /* clear the lower bit as its used for dynamic state */
1035                 adapter->itr_setting &= ~1;
1036         } else if (ec->rx_coalesce_usecs == 1) {
1037                 /* 1 means dynamic mode */
1038                 adapter->eitr_param = 20000;
1039                 adapter->itr_setting = 1;
1040         } else {
1041                 /*
1042                  * any other value means disable eitr, which is best
1043                  * served by setting the interrupt rate very high
1044                  */
1045                 adapter->eitr_param = IXGBE_MAX_INT_RATE;
1046                 adapter->itr_setting = 0;
1047         }
1048
1049         for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
1050                 struct ixgbe_q_vector *q_vector = &adapter->q_vector[i];
1051                 if (q_vector->txr_count && !q_vector->rxr_count)
1052                         /* tx vector gets half the rate */
1053                         q_vector->eitr = (adapter->eitr_param >> 1);
1054                 else
1055                         /* rx only or mixed */
1056                         q_vector->eitr = adapter->eitr_param;
1057                 ixgbe_write_eitr(adapter, i,
1058                                  EITR_INTS_PER_SEC_TO_REG(q_vector->eitr));
1059         }
1060
1061         return 0;
1062 }
1063
1064
1065 static const struct ethtool_ops ixgbe_ethtool_ops = {
1066         .get_settings           = ixgbe_get_settings,
1067         .set_settings           = ixgbe_set_settings,
1068         .get_drvinfo            = ixgbe_get_drvinfo,
1069         .get_regs_len           = ixgbe_get_regs_len,
1070         .get_regs               = ixgbe_get_regs,
1071         .get_wol                = ixgbe_get_wol,
1072         .set_wol                = ixgbe_set_wol,
1073         .nway_reset             = ixgbe_nway_reset,
1074         .get_link               = ethtool_op_get_link,
1075         .get_eeprom_len         = ixgbe_get_eeprom_len,
1076         .get_eeprom             = ixgbe_get_eeprom,
1077         .get_ringparam          = ixgbe_get_ringparam,
1078         .set_ringparam          = ixgbe_set_ringparam,
1079         .get_pauseparam         = ixgbe_get_pauseparam,
1080         .set_pauseparam         = ixgbe_set_pauseparam,
1081         .get_rx_csum            = ixgbe_get_rx_csum,
1082         .set_rx_csum            = ixgbe_set_rx_csum,
1083         .get_tx_csum            = ixgbe_get_tx_csum,
1084         .set_tx_csum            = ixgbe_set_tx_csum,
1085         .get_sg                 = ethtool_op_get_sg,
1086         .set_sg                 = ethtool_op_set_sg,
1087         .get_msglevel           = ixgbe_get_msglevel,
1088         .set_msglevel           = ixgbe_set_msglevel,
1089         .get_tso                = ethtool_op_get_tso,
1090         .set_tso                = ixgbe_set_tso,
1091         .get_strings            = ixgbe_get_strings,
1092         .phys_id                = ixgbe_phys_id,
1093         .get_sset_count         = ixgbe_get_sset_count,
1094         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
1095         .get_coalesce           = ixgbe_get_coalesce,
1096         .set_coalesce           = ixgbe_set_coalesce,
1097         .get_flags              = ethtool_op_get_flags,
1098         .set_flags              = ethtool_op_set_flags,
1099 };
1100
1101 void ixgbe_set_ethtool_ops(struct net_device *netdev)
1102 {
1103         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
1104 }