GNU Linux-libre 5.10.215-gnu1
[releases.git] / drivers / net / ethernet / intel / ixgbe / ixgbe_ethtool.c
1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 1999 - 2018 Intel Corporation. */
3
4 /* ethtool support for ixgbe */
5
6 #include <linux/interrupt.h>
7 #include <linux/types.h>
8 #include <linux/module.h>
9 #include <linux/slab.h>
10 #include <linux/pci.h>
11 #include <linux/netdevice.h>
12 #include <linux/ethtool.h>
13 #include <linux/vmalloc.h>
14 #include <linux/highmem.h>
15 #include <linux/uaccess.h>
16
17 #include "ixgbe.h"
18 #include "ixgbe_phy.h"
19
20
21 #define IXGBE_ALL_RAR_ENTRIES 16
22
23 enum {NETDEV_STATS, IXGBE_STATS};
24
25 struct ixgbe_stats {
26         char stat_string[ETH_GSTRING_LEN];
27         int type;
28         int sizeof_stat;
29         int stat_offset;
30 };
31
32 #define IXGBE_STAT(m)           IXGBE_STATS, \
33                                 sizeof(((struct ixgbe_adapter *)0)->m), \
34                                 offsetof(struct ixgbe_adapter, m)
35 #define IXGBE_NETDEV_STAT(m)    NETDEV_STATS, \
36                                 sizeof(((struct rtnl_link_stats64 *)0)->m), \
37                                 offsetof(struct rtnl_link_stats64, m)
38
39 static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
40         {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
41         {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
42         {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
43         {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
44         {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
45         {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
46         {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
47         {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
48         {"lsc_int", IXGBE_STAT(lsc_int)},
49         {"tx_busy", IXGBE_STAT(tx_busy)},
50         {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
51         {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
52         {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
53         {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
54         {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
55         {"multicast", IXGBE_NETDEV_STAT(multicast)},
56         {"broadcast", IXGBE_STAT(stats.bprc)},
57         {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
58         {"collisions", IXGBE_NETDEV_STAT(collisions)},
59         {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
60         {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
61         {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
62         {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
63         {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
64         {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
65         {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
66         {"fdir_overflow", IXGBE_STAT(fdir_overflow)},
67         {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
68         {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
69         {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
70         {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
71         {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
72         {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
73         {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
74         {"tx_restart_queue", IXGBE_STAT(restart_queue)},
75         {"rx_length_errors", IXGBE_STAT(stats.rlec)},
76         {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
77         {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
78         {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
79         {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
80         {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
81         {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
82         {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
83         {"alloc_rx_page", IXGBE_STAT(alloc_rx_page)},
84         {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
85         {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
86         {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
87         {"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
88         {"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
89         {"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
90         {"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
91         {"tx_hwtstamp_timeouts", IXGBE_STAT(tx_hwtstamp_timeouts)},
92         {"tx_hwtstamp_skipped", IXGBE_STAT(tx_hwtstamp_skipped)},
93         {"rx_hwtstamp_cleared", IXGBE_STAT(rx_hwtstamp_cleared)},
94         {"tx_ipsec", IXGBE_STAT(tx_ipsec)},
95         {"rx_ipsec", IXGBE_STAT(rx_ipsec)},
96 #ifdef IXGBE_FCOE
97         {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
98         {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
99         {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
100         {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
101         {"fcoe_noddp", IXGBE_STAT(stats.fcoe_noddp)},
102         {"fcoe_noddp_ext_buff", IXGBE_STAT(stats.fcoe_noddp_ext_buff)},
103         {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
104         {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
105 #endif /* IXGBE_FCOE */
106 };
107
108 /* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so
109  * we set the num_rx_queues to evaluate to num_tx_queues. This is
110  * used because we do not have a good way to get the max number of
111  * rx queues with CONFIG_RPS disabled.
112  */
113 #define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues
114
115 #define IXGBE_QUEUE_STATS_LEN ( \
116         (netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \
117         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
118 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
119 #define IXGBE_PB_STATS_LEN ( \
120                         (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
121                          sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
122                          sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
123                          sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
124                         / sizeof(u64))
125 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
126                          IXGBE_PB_STATS_LEN + \
127                          IXGBE_QUEUE_STATS_LEN)
128
129 static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
130         "Register test  (offline)", "Eeprom test    (offline)",
131         "Interrupt test (offline)", "Loopback test  (offline)",
132         "Link test   (on/offline)"
133 };
134 #define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
135
136 static const char ixgbe_priv_flags_strings[][ETH_GSTRING_LEN] = {
137 #define IXGBE_PRIV_FLAGS_LEGACY_RX      BIT(0)
138         "legacy-rx",
139 #define IXGBE_PRIV_FLAGS_VF_IPSEC_EN    BIT(1)
140         "vf-ipsec",
141 };
142
143 #define IXGBE_PRIV_FLAGS_STR_LEN ARRAY_SIZE(ixgbe_priv_flags_strings)
144
145 #define ixgbe_isbackplane(type) ((type) == ixgbe_media_type_backplane)
146
147 static void ixgbe_set_supported_10gtypes(struct ixgbe_hw *hw,
148                                          struct ethtool_link_ksettings *cmd)
149 {
150         if (!ixgbe_isbackplane(hw->phy.media_type)) {
151                 ethtool_link_ksettings_add_link_mode(cmd, supported,
152                                                      10000baseT_Full);
153                 return;
154         }
155
156         switch (hw->device_id) {
157         case IXGBE_DEV_ID_82598:
158         case IXGBE_DEV_ID_82599_KX4:
159         case IXGBE_DEV_ID_82599_KX4_MEZZ:
160         case IXGBE_DEV_ID_X550EM_X_KX4:
161                 ethtool_link_ksettings_add_link_mode
162                         (cmd, supported, 10000baseKX4_Full);
163                 break;
164         case IXGBE_DEV_ID_82598_BX:
165         case IXGBE_DEV_ID_82599_KR:
166         case IXGBE_DEV_ID_X550EM_X_KR:
167         case IXGBE_DEV_ID_X550EM_X_XFI:
168                 ethtool_link_ksettings_add_link_mode
169                         (cmd, supported, 10000baseKR_Full);
170                 break;
171         default:
172                 ethtool_link_ksettings_add_link_mode
173                         (cmd, supported, 10000baseKX4_Full);
174                 ethtool_link_ksettings_add_link_mode
175                         (cmd, supported, 10000baseKR_Full);
176                 break;
177         }
178 }
179
180 static void ixgbe_set_advertising_10gtypes(struct ixgbe_hw *hw,
181                                            struct ethtool_link_ksettings *cmd)
182 {
183         if (!ixgbe_isbackplane(hw->phy.media_type)) {
184                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
185                                                      10000baseT_Full);
186                 return;
187         }
188
189         switch (hw->device_id) {
190         case IXGBE_DEV_ID_82598:
191         case IXGBE_DEV_ID_82599_KX4:
192         case IXGBE_DEV_ID_82599_KX4_MEZZ:
193         case IXGBE_DEV_ID_X550EM_X_KX4:
194                 ethtool_link_ksettings_add_link_mode
195                         (cmd, advertising, 10000baseKX4_Full);
196                 break;
197         case IXGBE_DEV_ID_82598_BX:
198         case IXGBE_DEV_ID_82599_KR:
199         case IXGBE_DEV_ID_X550EM_X_KR:
200         case IXGBE_DEV_ID_X550EM_X_XFI:
201                 ethtool_link_ksettings_add_link_mode
202                         (cmd, advertising, 10000baseKR_Full);
203                 break;
204         default:
205                 ethtool_link_ksettings_add_link_mode
206                         (cmd, advertising, 10000baseKX4_Full);
207                 ethtool_link_ksettings_add_link_mode
208                         (cmd, advertising, 10000baseKR_Full);
209                 break;
210         }
211 }
212
213 static int ixgbe_get_link_ksettings(struct net_device *netdev,
214                                     struct ethtool_link_ksettings *cmd)
215 {
216         struct ixgbe_adapter *adapter = netdev_priv(netdev);
217         struct ixgbe_hw *hw = &adapter->hw;
218         ixgbe_link_speed supported_link;
219         bool autoneg = false;
220
221         ethtool_link_ksettings_zero_link_mode(cmd, supported);
222         ethtool_link_ksettings_zero_link_mode(cmd, advertising);
223
224         hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg);
225
226         /* set the supported link speeds */
227         if (supported_link & IXGBE_LINK_SPEED_10GB_FULL) {
228                 ixgbe_set_supported_10gtypes(hw, cmd);
229                 ixgbe_set_advertising_10gtypes(hw, cmd);
230         }
231         if (supported_link & IXGBE_LINK_SPEED_5GB_FULL)
232                 ethtool_link_ksettings_add_link_mode(cmd, supported,
233                                                      5000baseT_Full);
234
235         if (supported_link & IXGBE_LINK_SPEED_2_5GB_FULL)
236                 ethtool_link_ksettings_add_link_mode(cmd, supported,
237                                                      2500baseT_Full);
238
239         if (supported_link & IXGBE_LINK_SPEED_1GB_FULL) {
240                 if (ixgbe_isbackplane(hw->phy.media_type)) {
241                         ethtool_link_ksettings_add_link_mode(cmd, supported,
242                                                              1000baseKX_Full);
243                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
244                                                              1000baseKX_Full);
245                 } else {
246                         ethtool_link_ksettings_add_link_mode(cmd, supported,
247                                                              1000baseT_Full);
248                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
249                                                              1000baseT_Full);
250                 }
251         }
252         if (supported_link & IXGBE_LINK_SPEED_100_FULL) {
253                 ethtool_link_ksettings_add_link_mode(cmd, supported,
254                                                      100baseT_Full);
255                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
256                                                      100baseT_Full);
257         }
258         if (supported_link & IXGBE_LINK_SPEED_10_FULL) {
259                 ethtool_link_ksettings_add_link_mode(cmd, supported,
260                                                      10baseT_Full);
261                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
262                                                      10baseT_Full);
263         }
264
265         /* set the advertised speeds */
266         if (hw->phy.autoneg_advertised) {
267                 ethtool_link_ksettings_zero_link_mode(cmd, advertising);
268                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10_FULL)
269                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
270                                                              10baseT_Full);
271                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
272                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
273                                                              100baseT_Full);
274                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
275                         ixgbe_set_advertising_10gtypes(hw, cmd);
276                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL) {
277                         if (ethtool_link_ksettings_test_link_mode
278                                 (cmd, supported, 1000baseKX_Full))
279                                 ethtool_link_ksettings_add_link_mode
280                                         (cmd, advertising, 1000baseKX_Full);
281                         else
282                                 ethtool_link_ksettings_add_link_mode
283                                         (cmd, advertising, 1000baseT_Full);
284                 }
285                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_5GB_FULL)
286                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
287                                                              5000baseT_Full);
288                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_2_5GB_FULL)
289                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
290                                                              2500baseT_Full);
291         } else {
292                 if (hw->phy.multispeed_fiber && !autoneg) {
293                         if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
294                                 ethtool_link_ksettings_add_link_mode
295                                         (cmd, advertising, 10000baseT_Full);
296                 }
297         }
298
299         if (autoneg) {
300                 ethtool_link_ksettings_add_link_mode(cmd, supported, Autoneg);
301                 ethtool_link_ksettings_add_link_mode(cmd, advertising, Autoneg);
302                 cmd->base.autoneg = AUTONEG_ENABLE;
303         } else
304                 cmd->base.autoneg = AUTONEG_DISABLE;
305
306         /* Determine the remaining settings based on the PHY type. */
307         switch (adapter->hw.phy.type) {
308         case ixgbe_phy_tn:
309         case ixgbe_phy_aq:
310         case ixgbe_phy_x550em_ext_t:
311         case ixgbe_phy_fw:
312         case ixgbe_phy_cu_unknown:
313                 ethtool_link_ksettings_add_link_mode(cmd, supported, TP);
314                 ethtool_link_ksettings_add_link_mode(cmd, advertising, TP);
315                 cmd->base.port = PORT_TP;
316                 break;
317         case ixgbe_phy_qt:
318                 ethtool_link_ksettings_add_link_mode(cmd, supported, FIBRE);
319                 ethtool_link_ksettings_add_link_mode(cmd, advertising, FIBRE);
320                 cmd->base.port = PORT_FIBRE;
321                 break;
322         case ixgbe_phy_nl:
323         case ixgbe_phy_sfp_passive_tyco:
324         case ixgbe_phy_sfp_passive_unknown:
325         case ixgbe_phy_sfp_ftl:
326         case ixgbe_phy_sfp_avago:
327         case ixgbe_phy_sfp_intel:
328         case ixgbe_phy_sfp_unknown:
329         case ixgbe_phy_qsfp_passive_unknown:
330         case ixgbe_phy_qsfp_active_unknown:
331         case ixgbe_phy_qsfp_intel:
332         case ixgbe_phy_qsfp_unknown:
333                 /* SFP+ devices, further checking needed */
334                 switch (adapter->hw.phy.sfp_type) {
335                 case ixgbe_sfp_type_da_cu:
336                 case ixgbe_sfp_type_da_cu_core0:
337                 case ixgbe_sfp_type_da_cu_core1:
338                         ethtool_link_ksettings_add_link_mode(cmd, supported,
339                                                              FIBRE);
340                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
341                                                              FIBRE);
342                         cmd->base.port = PORT_DA;
343                         break;
344                 case ixgbe_sfp_type_sr:
345                 case ixgbe_sfp_type_lr:
346                 case ixgbe_sfp_type_srlr_core0:
347                 case ixgbe_sfp_type_srlr_core1:
348                 case ixgbe_sfp_type_1g_sx_core0:
349                 case ixgbe_sfp_type_1g_sx_core1:
350                 case ixgbe_sfp_type_1g_lx_core0:
351                 case ixgbe_sfp_type_1g_lx_core1:
352                         ethtool_link_ksettings_add_link_mode(cmd, supported,
353                                                              FIBRE);
354                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
355                                                              FIBRE);
356                         cmd->base.port = PORT_FIBRE;
357                         break;
358                 case ixgbe_sfp_type_not_present:
359                         ethtool_link_ksettings_add_link_mode(cmd, supported,
360                                                              FIBRE);
361                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
362                                                              FIBRE);
363                         cmd->base.port = PORT_NONE;
364                         break;
365                 case ixgbe_sfp_type_1g_cu_core0:
366                 case ixgbe_sfp_type_1g_cu_core1:
367                         ethtool_link_ksettings_add_link_mode(cmd, supported,
368                                                              TP);
369                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
370                                                              TP);
371                         cmd->base.port = PORT_TP;
372                         break;
373                 case ixgbe_sfp_type_unknown:
374                 default:
375                         ethtool_link_ksettings_add_link_mode(cmd, supported,
376                                                              FIBRE);
377                         ethtool_link_ksettings_add_link_mode(cmd, advertising,
378                                                              FIBRE);
379                         cmd->base.port = PORT_OTHER;
380                         break;
381                 }
382                 break;
383         case ixgbe_phy_xaui:
384                 ethtool_link_ksettings_add_link_mode(cmd, supported,
385                                                      FIBRE);
386                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
387                                                      FIBRE);
388                 cmd->base.port = PORT_NONE;
389                 break;
390         case ixgbe_phy_unknown:
391         case ixgbe_phy_generic:
392         case ixgbe_phy_sfp_unsupported:
393         default:
394                 ethtool_link_ksettings_add_link_mode(cmd, supported,
395                                                      FIBRE);
396                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
397                                                      FIBRE);
398                 cmd->base.port = PORT_OTHER;
399                 break;
400         }
401
402         /* Indicate pause support */
403         ethtool_link_ksettings_add_link_mode(cmd, supported, Pause);
404
405         switch (hw->fc.requested_mode) {
406         case ixgbe_fc_full:
407                 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
408                 break;
409         case ixgbe_fc_rx_pause:
410                 ethtool_link_ksettings_add_link_mode(cmd, advertising, Pause);
411                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
412                                                      Asym_Pause);
413                 break;
414         case ixgbe_fc_tx_pause:
415                 ethtool_link_ksettings_add_link_mode(cmd, advertising,
416                                                      Asym_Pause);
417                 break;
418         default:
419                 ethtool_link_ksettings_del_link_mode(cmd, advertising, Pause);
420                 ethtool_link_ksettings_del_link_mode(cmd, advertising,
421                                                      Asym_Pause);
422         }
423
424         if (netif_carrier_ok(netdev)) {
425                 switch (adapter->link_speed) {
426                 case IXGBE_LINK_SPEED_10GB_FULL:
427                         cmd->base.speed = SPEED_10000;
428                         break;
429                 case IXGBE_LINK_SPEED_5GB_FULL:
430                         cmd->base.speed = SPEED_5000;
431                         break;
432                 case IXGBE_LINK_SPEED_2_5GB_FULL:
433                         cmd->base.speed = SPEED_2500;
434                         break;
435                 case IXGBE_LINK_SPEED_1GB_FULL:
436                         cmd->base.speed = SPEED_1000;
437                         break;
438                 case IXGBE_LINK_SPEED_100_FULL:
439                         cmd->base.speed = SPEED_100;
440                         break;
441                 case IXGBE_LINK_SPEED_10_FULL:
442                         cmd->base.speed = SPEED_10;
443                         break;
444                 default:
445                         break;
446                 }
447                 cmd->base.duplex = DUPLEX_FULL;
448         } else {
449                 cmd->base.speed = SPEED_UNKNOWN;
450                 cmd->base.duplex = DUPLEX_UNKNOWN;
451         }
452
453         return 0;
454 }
455
456 static int ixgbe_set_link_ksettings(struct net_device *netdev,
457                                     const struct ethtool_link_ksettings *cmd)
458 {
459         struct ixgbe_adapter *adapter = netdev_priv(netdev);
460         struct ixgbe_hw *hw = &adapter->hw;
461         u32 advertised, old;
462         s32 err = 0;
463
464         if ((hw->phy.media_type == ixgbe_media_type_copper) ||
465             (hw->phy.multispeed_fiber)) {
466                 /*
467                  * this function does not support duplex forcing, but can
468                  * limit the advertising of the adapter to the specified speed
469                  */
470                 if (!bitmap_subset(cmd->link_modes.advertising,
471                                    cmd->link_modes.supported,
472                                    __ETHTOOL_LINK_MODE_MASK_NBITS))
473                         return -EINVAL;
474
475                 /* only allow one speed at a time if no autoneg */
476                 if (!cmd->base.autoneg && hw->phy.multispeed_fiber) {
477                         if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
478                                                                   10000baseT_Full) &&
479                             ethtool_link_ksettings_test_link_mode(cmd, advertising,
480                                                                   1000baseT_Full))
481                                 return -EINVAL;
482                 }
483
484                 old = hw->phy.autoneg_advertised;
485                 advertised = 0;
486                 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
487                                                           10000baseT_Full))
488                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
489                 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
490                                                           5000baseT_Full))
491                         advertised |= IXGBE_LINK_SPEED_5GB_FULL;
492                 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
493                                                           2500baseT_Full))
494                         advertised |= IXGBE_LINK_SPEED_2_5GB_FULL;
495                 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
496                                                           1000baseT_Full))
497                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
498
499                 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
500                                                           100baseT_Full))
501                         advertised |= IXGBE_LINK_SPEED_100_FULL;
502
503                 if (ethtool_link_ksettings_test_link_mode(cmd, advertising,
504                                                           10baseT_Full))
505                         advertised |= IXGBE_LINK_SPEED_10_FULL;
506
507                 if (old == advertised)
508                         return err;
509                 /* this sets the link speed and restarts auto-neg */
510                 while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
511                         usleep_range(1000, 2000);
512
513                 hw->mac.autotry_restart = true;
514                 err = hw->mac.ops.setup_link(hw, advertised, true);
515                 if (err) {
516                         e_info(probe, "setup link failed with code %d\n", err);
517                         hw->mac.ops.setup_link(hw, old, true);
518                 }
519                 clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
520         } else {
521                 /* in this case we currently only support 10Gb/FULL */
522                 u32 speed = cmd->base.speed;
523
524                 if ((cmd->base.autoneg == AUTONEG_ENABLE) ||
525                     (!ethtool_link_ksettings_test_link_mode(cmd, advertising,
526                                                             10000baseT_Full)) ||
527                     (speed + cmd->base.duplex != SPEED_10000 + DUPLEX_FULL))
528                         return -EINVAL;
529         }
530
531         return err;
532 }
533
534 static void ixgbe_get_pause_stats(struct net_device *netdev,
535                                   struct ethtool_pause_stats *stats)
536 {
537         struct ixgbe_adapter *adapter = netdev_priv(netdev);
538         struct ixgbe_hw_stats *hwstats = &adapter->stats;
539
540         stats->tx_pause_frames = hwstats->lxontxc + hwstats->lxofftxc;
541         stats->rx_pause_frames = hwstats->lxonrxc + hwstats->lxoffrxc;
542 }
543
544 static void ixgbe_get_pauseparam(struct net_device *netdev,
545                                  struct ethtool_pauseparam *pause)
546 {
547         struct ixgbe_adapter *adapter = netdev_priv(netdev);
548         struct ixgbe_hw *hw = &adapter->hw;
549
550         if (ixgbe_device_supports_autoneg_fc(hw) &&
551             !hw->fc.disable_fc_autoneg)
552                 pause->autoneg = 1;
553         else
554                 pause->autoneg = 0;
555
556         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
557                 pause->rx_pause = 1;
558         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
559                 pause->tx_pause = 1;
560         } else if (hw->fc.current_mode == ixgbe_fc_full) {
561                 pause->rx_pause = 1;
562                 pause->tx_pause = 1;
563         }
564 }
565
566 static int ixgbe_set_pauseparam(struct net_device *netdev,
567                                 struct ethtool_pauseparam *pause)
568 {
569         struct ixgbe_adapter *adapter = netdev_priv(netdev);
570         struct ixgbe_hw *hw = &adapter->hw;
571         struct ixgbe_fc_info fc = hw->fc;
572
573         /* 82598 does no support link flow control with DCB enabled */
574         if ((hw->mac.type == ixgbe_mac_82598EB) &&
575             (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
576                 return -EINVAL;
577
578         /* some devices do not support autoneg of link flow control */
579         if ((pause->autoneg == AUTONEG_ENABLE) &&
580             !ixgbe_device_supports_autoneg_fc(hw))
581                 return -EINVAL;
582
583         fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
584
585         if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
586                 fc.requested_mode = ixgbe_fc_full;
587         else if (pause->rx_pause && !pause->tx_pause)
588                 fc.requested_mode = ixgbe_fc_rx_pause;
589         else if (!pause->rx_pause && pause->tx_pause)
590                 fc.requested_mode = ixgbe_fc_tx_pause;
591         else
592                 fc.requested_mode = ixgbe_fc_none;
593
594         /* if the thing changed then we'll update and use new autoneg */
595         if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
596                 hw->fc = fc;
597                 if (netif_running(netdev))
598                         ixgbe_reinit_locked(adapter);
599                 else
600                         ixgbe_reset(adapter);
601         }
602
603         return 0;
604 }
605
606 static u32 ixgbe_get_msglevel(struct net_device *netdev)
607 {
608         struct ixgbe_adapter *adapter = netdev_priv(netdev);
609         return adapter->msg_enable;
610 }
611
612 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
613 {
614         struct ixgbe_adapter *adapter = netdev_priv(netdev);
615         adapter->msg_enable = data;
616 }
617
618 static int ixgbe_get_regs_len(struct net_device *netdev)
619 {
620 #define IXGBE_REGS_LEN  1145
621         return IXGBE_REGS_LEN * sizeof(u32);
622 }
623
624 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
625
626 static void ixgbe_get_regs(struct net_device *netdev,
627                            struct ethtool_regs *regs, void *p)
628 {
629         struct ixgbe_adapter *adapter = netdev_priv(netdev);
630         struct ixgbe_hw *hw = &adapter->hw;
631         u32 *regs_buff = p;
632         u8 i;
633
634         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
635
636         regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
637                         hw->device_id;
638
639         /* General Registers */
640         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
641         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
642         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
643         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
644         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
645         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
646         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
647         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
648
649         /* NVM Register */
650         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC(hw));
651         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
652         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA(hw));
653         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
654         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
655         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
656         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
657         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
658         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
659         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC(hw));
660
661         /* Interrupt */
662         /* don't read EICR because it can clear interrupt causes, instead
663          * read EICS which is a shadow but doesn't clear EICR */
664         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
665         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
666         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
667         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
668         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
669         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
670         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
671         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
672         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
673         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
674         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
675         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
676
677         /* Flow Control */
678         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
679         for (i = 0; i < 4; i++)
680                 regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_FCTTV(i));
681         for (i = 0; i < 8; i++) {
682                 switch (hw->mac.type) {
683                 case ixgbe_mac_82598EB:
684                         regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
685                         regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
686                         break;
687                 case ixgbe_mac_82599EB:
688                 case ixgbe_mac_X540:
689                 case ixgbe_mac_X550:
690                 case ixgbe_mac_X550EM_x:
691                 case ixgbe_mac_x550em_a:
692                         regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
693                         regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
694                         break;
695                 default:
696                         break;
697                 }
698         }
699         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
700         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
701
702         /* Receive DMA */
703         for (i = 0; i < 64; i++)
704                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
705         for (i = 0; i < 64; i++)
706                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
707         for (i = 0; i < 64; i++)
708                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
709         for (i = 0; i < 64; i++)
710                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
711         for (i = 0; i < 64; i++)
712                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
713         for (i = 0; i < 64; i++)
714                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
715         for (i = 0; i < 16; i++)
716                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
717         for (i = 0; i < 16; i++)
718                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
719         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
720         for (i = 0; i < 8; i++)
721                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
722         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
723         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
724
725         /* Receive */
726         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
727         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
728         for (i = 0; i < 16; i++)
729                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
730         for (i = 0; i < 16; i++)
731                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
732         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
733         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
734         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
735         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
736         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
737         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
738         for (i = 0; i < 8; i++)
739                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
740         for (i = 0; i < 8; i++)
741                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
742         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
743
744         /* Transmit */
745         for (i = 0; i < 32; i++)
746                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
747         for (i = 0; i < 32; i++)
748                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
749         for (i = 0; i < 32; i++)
750                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
751         for (i = 0; i < 32; i++)
752                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
753         for (i = 0; i < 32; i++)
754                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
755         for (i = 0; i < 32; i++)
756                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
757         for (i = 0; i < 32; i++)
758                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
759         for (i = 0; i < 32; i++)
760                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
761         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
762         for (i = 0; i < 16; i++)
763                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
764         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
765         for (i = 0; i < 8; i++)
766                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
767         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
768
769         /* Wake Up */
770         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
771         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
772         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
773         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
774         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
775         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
776         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
777         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
778         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
779
780         /* DCB */
781         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);   /* same as FCCFG  */
782         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS); /* same as RTTPCS */
783
784         switch (hw->mac.type) {
785         case ixgbe_mac_82598EB:
786                 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
787                 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
788                 for (i = 0; i < 8; i++)
789                         regs_buff[833 + i] =
790                                 IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
791                 for (i = 0; i < 8; i++)
792                         regs_buff[841 + i] =
793                                 IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
794                 for (i = 0; i < 8; i++)
795                         regs_buff[849 + i] =
796                                 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
797                 for (i = 0; i < 8; i++)
798                         regs_buff[857 + i] =
799                                 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
800                 break;
801         case ixgbe_mac_82599EB:
802         case ixgbe_mac_X540:
803         case ixgbe_mac_X550:
804         case ixgbe_mac_X550EM_x:
805         case ixgbe_mac_x550em_a:
806                 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
807                 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RTRPCS);
808                 for (i = 0; i < 8; i++)
809                         regs_buff[833 + i] =
810                                 IXGBE_READ_REG(hw, IXGBE_RTRPT4C(i));
811                 for (i = 0; i < 8; i++)
812                         regs_buff[841 + i] =
813                                 IXGBE_READ_REG(hw, IXGBE_RTRPT4S(i));
814                 for (i = 0; i < 8; i++)
815                         regs_buff[849 + i] =
816                                 IXGBE_READ_REG(hw, IXGBE_RTTDT2C(i));
817                 for (i = 0; i < 8; i++)
818                         regs_buff[857 + i] =
819                                 IXGBE_READ_REG(hw, IXGBE_RTTDT2S(i));
820                 break;
821         default:
822                 break;
823         }
824
825         for (i = 0; i < 8; i++)
826                 regs_buff[865 + i] =
827                 IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i)); /* same as RTTPT2C */
828         for (i = 0; i < 8; i++)
829                 regs_buff[873 + i] =
830                 IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i)); /* same as RTTPT2S */
831
832         /* Statistics */
833         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
834         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
835         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
836         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
837         for (i = 0; i < 8; i++)
838                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
839         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
840         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
841         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
842         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
843         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
844         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
845         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
846         for (i = 0; i < 8; i++)
847                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
848         for (i = 0; i < 8; i++)
849                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
850         for (i = 0; i < 8; i++)
851                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
852         for (i = 0; i < 8; i++)
853                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
854         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
855         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
856         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
857         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
858         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
859         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
860         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
861         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
862         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
863         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
864         regs_buff[942] = (u32)IXGBE_GET_STAT(adapter, gorc);
865         regs_buff[943] = (u32)(IXGBE_GET_STAT(adapter, gorc) >> 32);
866         regs_buff[944] = (u32)IXGBE_GET_STAT(adapter, gotc);
867         regs_buff[945] = (u32)(IXGBE_GET_STAT(adapter, gotc) >> 32);
868         for (i = 0; i < 8; i++)
869                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
870         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
871         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
872         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
873         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
874         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
875         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
876         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
877         regs_buff[961] = (u32)IXGBE_GET_STAT(adapter, tor);
878         regs_buff[962] = (u32)(IXGBE_GET_STAT(adapter, tor) >> 32);
879         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
880         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
881         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
882         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
883         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
884         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
885         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
886         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
887         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
888         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
889         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
890         for (i = 0; i < 16; i++)
891                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
892         for (i = 0; i < 16; i++)
893                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
894         for (i = 0; i < 16; i++)
895                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
896         for (i = 0; i < 16; i++)
897                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
898
899         /* MAC */
900         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
901         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
902         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
903         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
904         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
905         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
906         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
907         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
908         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
909         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
910         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
911         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
912         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
913         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
914         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
915         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
916         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
917         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
918         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
919         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
920         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
921         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
922         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
923         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
924         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
925         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
926         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
927         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
928         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
929         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
930         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
931         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
932         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
933
934         /* Diagnostic */
935         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
936         for (i = 0; i < 8; i++)
937                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
938         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
939         for (i = 0; i < 4; i++)
940                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
941         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
942         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
943         for (i = 0; i < 8; i++)
944                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
945         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
946         for (i = 0; i < 4; i++)
947                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
948         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
949         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
950         for (i = 0; i < 4; i++)
951                 regs_buff[1102 + i] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA(i));
952         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
953         for (i = 0; i < 4; i++)
954                 regs_buff[1107 + i] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA(i));
955         for (i = 0; i < 8; i++)
956                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
957         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
958         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
959         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
960         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
961         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
962         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
963         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
964         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
965         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
966
967         /* 82599 X540 specific registers  */
968         regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
969
970         /* 82599 X540 specific DCB registers  */
971         regs_buff[1129] = IXGBE_READ_REG(hw, IXGBE_RTRUP2TC);
972         regs_buff[1130] = IXGBE_READ_REG(hw, IXGBE_RTTUP2TC);
973         for (i = 0; i < 4; i++)
974                 regs_buff[1131 + i] = IXGBE_READ_REG(hw, IXGBE_TXLLQ(i));
975         regs_buff[1135] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRM);
976                                         /* same as RTTQCNRM */
977         regs_buff[1136] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRD);
978                                         /* same as RTTQCNRR */
979
980         /* X540 specific DCB registers  */
981         regs_buff[1137] = IXGBE_READ_REG(hw, IXGBE_RTTQCNCR);
982         regs_buff[1138] = IXGBE_READ_REG(hw, IXGBE_RTTQCNTG);
983
984         /* Security config registers */
985         regs_buff[1139] = IXGBE_READ_REG(hw, IXGBE_SECTXCTRL);
986         regs_buff[1140] = IXGBE_READ_REG(hw, IXGBE_SECTXSTAT);
987         regs_buff[1141] = IXGBE_READ_REG(hw, IXGBE_SECTXBUFFAF);
988         regs_buff[1142] = IXGBE_READ_REG(hw, IXGBE_SECTXMINIFG);
989         regs_buff[1143] = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
990         regs_buff[1144] = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT);
991 }
992
993 static int ixgbe_get_eeprom_len(struct net_device *netdev)
994 {
995         struct ixgbe_adapter *adapter = netdev_priv(netdev);
996         return adapter->hw.eeprom.word_size * 2;
997 }
998
999 static int ixgbe_get_eeprom(struct net_device *netdev,
1000                             struct ethtool_eeprom *eeprom, u8 *bytes)
1001 {
1002         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1003         struct ixgbe_hw *hw = &adapter->hw;
1004         u16 *eeprom_buff;
1005         int first_word, last_word, eeprom_len;
1006         int ret_val = 0;
1007         u16 i;
1008
1009         if (eeprom->len == 0)
1010                 return -EINVAL;
1011
1012         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1013
1014         first_word = eeprom->offset >> 1;
1015         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
1016         eeprom_len = last_word - first_word + 1;
1017
1018         eeprom_buff = kmalloc_array(eeprom_len, sizeof(u16), GFP_KERNEL);
1019         if (!eeprom_buff)
1020                 return -ENOMEM;
1021
1022         ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len,
1023                                              eeprom_buff);
1024
1025         /* Device's eeprom is always little-endian, word addressable */
1026         for (i = 0; i < eeprom_len; i++)
1027                 le16_to_cpus(&eeprom_buff[i]);
1028
1029         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
1030         kfree(eeprom_buff);
1031
1032         return ret_val;
1033 }
1034
1035 static int ixgbe_set_eeprom(struct net_device *netdev,
1036                             struct ethtool_eeprom *eeprom, u8 *bytes)
1037 {
1038         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1039         struct ixgbe_hw *hw = &adapter->hw;
1040         u16 *eeprom_buff;
1041         void *ptr;
1042         int max_len, first_word, last_word, ret_val = 0;
1043         u16 i;
1044
1045         if (eeprom->len == 0)
1046                 return -EINVAL;
1047
1048         if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
1049                 return -EINVAL;
1050
1051         max_len = hw->eeprom.word_size * 2;
1052
1053         first_word = eeprom->offset >> 1;
1054         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
1055         eeprom_buff = kmalloc(max_len, GFP_KERNEL);
1056         if (!eeprom_buff)
1057                 return -ENOMEM;
1058
1059         ptr = eeprom_buff;
1060
1061         if (eeprom->offset & 1) {
1062                 /*
1063                  * need read/modify/write of first changed EEPROM word
1064                  * only the second byte of the word is being modified
1065                  */
1066                 ret_val = hw->eeprom.ops.read(hw, first_word, &eeprom_buff[0]);
1067                 if (ret_val)
1068                         goto err;
1069
1070                 ptr++;
1071         }
1072         if ((eeprom->offset + eeprom->len) & 1) {
1073                 /*
1074                  * need read/modify/write of last changed EEPROM word
1075                  * only the first byte of the word is being modified
1076                  */
1077                 ret_val = hw->eeprom.ops.read(hw, last_word,
1078                                           &eeprom_buff[last_word - first_word]);
1079                 if (ret_val)
1080                         goto err;
1081         }
1082
1083         /* Device's eeprom is always little-endian, word addressable */
1084         for (i = 0; i < last_word - first_word + 1; i++)
1085                 le16_to_cpus(&eeprom_buff[i]);
1086
1087         memcpy(ptr, bytes, eeprom->len);
1088
1089         for (i = 0; i < last_word - first_word + 1; i++)
1090                 cpu_to_le16s(&eeprom_buff[i]);
1091
1092         ret_val = hw->eeprom.ops.write_buffer(hw, first_word,
1093                                               last_word - first_word + 1,
1094                                               eeprom_buff);
1095
1096         /* Update the checksum */
1097         if (ret_val == 0)
1098                 hw->eeprom.ops.update_checksum(hw);
1099
1100 err:
1101         kfree(eeprom_buff);
1102         return ret_val;
1103 }
1104
1105 static void ixgbe_get_drvinfo(struct net_device *netdev,
1106                               struct ethtool_drvinfo *drvinfo)
1107 {
1108         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1109
1110         strlcpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
1111
1112         strlcpy(drvinfo->fw_version, adapter->eeprom_id,
1113                 sizeof(drvinfo->fw_version));
1114
1115         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
1116                 sizeof(drvinfo->bus_info));
1117
1118         drvinfo->n_priv_flags = IXGBE_PRIV_FLAGS_STR_LEN;
1119 }
1120
1121 static void ixgbe_get_ringparam(struct net_device *netdev,
1122                                 struct ethtool_ringparam *ring)
1123 {
1124         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1125         struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
1126         struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
1127
1128         ring->rx_max_pending = IXGBE_MAX_RXD;
1129         ring->tx_max_pending = IXGBE_MAX_TXD;
1130         ring->rx_pending = rx_ring->count;
1131         ring->tx_pending = tx_ring->count;
1132 }
1133
1134 static int ixgbe_set_ringparam(struct net_device *netdev,
1135                                struct ethtool_ringparam *ring)
1136 {
1137         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1138         struct ixgbe_ring *temp_ring;
1139         int i, j, err = 0;
1140         u32 new_rx_count, new_tx_count;
1141
1142         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1143                 return -EINVAL;
1144
1145         new_tx_count = clamp_t(u32, ring->tx_pending,
1146                                IXGBE_MIN_TXD, IXGBE_MAX_TXD);
1147         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
1148
1149         new_rx_count = clamp_t(u32, ring->rx_pending,
1150                                IXGBE_MIN_RXD, IXGBE_MAX_RXD);
1151         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
1152
1153         if ((new_tx_count == adapter->tx_ring_count) &&
1154             (new_rx_count == adapter->rx_ring_count)) {
1155                 /* nothing to do */
1156                 return 0;
1157         }
1158
1159         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
1160                 usleep_range(1000, 2000);
1161
1162         if (!netif_running(adapter->netdev)) {
1163                 for (i = 0; i < adapter->num_tx_queues; i++)
1164                         adapter->tx_ring[i]->count = new_tx_count;
1165                 for (i = 0; i < adapter->num_xdp_queues; i++)
1166                         adapter->xdp_ring[i]->count = new_tx_count;
1167                 for (i = 0; i < adapter->num_rx_queues; i++)
1168                         adapter->rx_ring[i]->count = new_rx_count;
1169                 adapter->tx_ring_count = new_tx_count;
1170                 adapter->xdp_ring_count = new_tx_count;
1171                 adapter->rx_ring_count = new_rx_count;
1172                 goto clear_reset;
1173         }
1174
1175         /* allocate temporary buffer to store rings in */
1176         i = max_t(int, adapter->num_tx_queues + adapter->num_xdp_queues,
1177                   adapter->num_rx_queues);
1178         temp_ring = vmalloc(array_size(i, sizeof(struct ixgbe_ring)));
1179
1180         if (!temp_ring) {
1181                 err = -ENOMEM;
1182                 goto clear_reset;
1183         }
1184
1185         ixgbe_down(adapter);
1186
1187         /*
1188          * Setup new Tx resources and free the old Tx resources in that order.
1189          * We can then assign the new resources to the rings via a memcpy.
1190          * The advantage to this approach is that we are guaranteed to still
1191          * have resources even in the case of an allocation failure.
1192          */
1193         if (new_tx_count != adapter->tx_ring_count) {
1194                 for (i = 0; i < adapter->num_tx_queues; i++) {
1195                         memcpy(&temp_ring[i], adapter->tx_ring[i],
1196                                sizeof(struct ixgbe_ring));
1197
1198                         temp_ring[i].count = new_tx_count;
1199                         err = ixgbe_setup_tx_resources(&temp_ring[i]);
1200                         if (err) {
1201                                 while (i) {
1202                                         i--;
1203                                         ixgbe_free_tx_resources(&temp_ring[i]);
1204                                 }
1205                                 goto err_setup;
1206                         }
1207                 }
1208
1209                 for (j = 0; j < adapter->num_xdp_queues; j++, i++) {
1210                         memcpy(&temp_ring[i], adapter->xdp_ring[j],
1211                                sizeof(struct ixgbe_ring));
1212
1213                         temp_ring[i].count = new_tx_count;
1214                         err = ixgbe_setup_tx_resources(&temp_ring[i]);
1215                         if (err) {
1216                                 while (i) {
1217                                         i--;
1218                                         ixgbe_free_tx_resources(&temp_ring[i]);
1219                                 }
1220                                 goto err_setup;
1221                         }
1222                 }
1223
1224                 for (i = 0; i < adapter->num_tx_queues; i++) {
1225                         ixgbe_free_tx_resources(adapter->tx_ring[i]);
1226
1227                         memcpy(adapter->tx_ring[i], &temp_ring[i],
1228                                sizeof(struct ixgbe_ring));
1229                 }
1230                 for (j = 0; j < adapter->num_xdp_queues; j++, i++) {
1231                         ixgbe_free_tx_resources(adapter->xdp_ring[j]);
1232
1233                         memcpy(adapter->xdp_ring[j], &temp_ring[i],
1234                                sizeof(struct ixgbe_ring));
1235                 }
1236
1237                 adapter->tx_ring_count = new_tx_count;
1238         }
1239
1240         /* Repeat the process for the Rx rings if needed */
1241         if (new_rx_count != adapter->rx_ring_count) {
1242                 for (i = 0; i < adapter->num_rx_queues; i++) {
1243                         memcpy(&temp_ring[i], adapter->rx_ring[i],
1244                                sizeof(struct ixgbe_ring));
1245
1246                         /* Clear copied XDP RX-queue info */
1247                         memset(&temp_ring[i].xdp_rxq, 0,
1248                                sizeof(temp_ring[i].xdp_rxq));
1249
1250                         temp_ring[i].count = new_rx_count;
1251                         err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]);
1252                         if (err) {
1253                                 while (i) {
1254                                         i--;
1255                                         ixgbe_free_rx_resources(&temp_ring[i]);
1256                                 }
1257                                 goto err_setup;
1258                         }
1259
1260                 }
1261
1262                 for (i = 0; i < adapter->num_rx_queues; i++) {
1263                         ixgbe_free_rx_resources(adapter->rx_ring[i]);
1264
1265                         memcpy(adapter->rx_ring[i], &temp_ring[i],
1266                                sizeof(struct ixgbe_ring));
1267                 }
1268
1269                 adapter->rx_ring_count = new_rx_count;
1270         }
1271
1272 err_setup:
1273         ixgbe_up(adapter);
1274         vfree(temp_ring);
1275 clear_reset:
1276         clear_bit(__IXGBE_RESETTING, &adapter->state);
1277         return err;
1278 }
1279
1280 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
1281 {
1282         switch (sset) {
1283         case ETH_SS_TEST:
1284                 return IXGBE_TEST_LEN;
1285         case ETH_SS_STATS:
1286                 return IXGBE_STATS_LEN;
1287         case ETH_SS_PRIV_FLAGS:
1288                 return IXGBE_PRIV_FLAGS_STR_LEN;
1289         default:
1290                 return -EOPNOTSUPP;
1291         }
1292 }
1293
1294 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
1295                                     struct ethtool_stats *stats, u64 *data)
1296 {
1297         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1298         struct rtnl_link_stats64 temp;
1299         const struct rtnl_link_stats64 *net_stats;
1300         unsigned int start;
1301         struct ixgbe_ring *ring;
1302         int i, j;
1303         char *p = NULL;
1304
1305         ixgbe_update_stats(adapter);
1306         net_stats = dev_get_stats(netdev, &temp);
1307         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1308                 switch (ixgbe_gstrings_stats[i].type) {
1309                 case NETDEV_STATS:
1310                         p = (char *) net_stats +
1311                                         ixgbe_gstrings_stats[i].stat_offset;
1312                         break;
1313                 case IXGBE_STATS:
1314                         p = (char *) adapter +
1315                                         ixgbe_gstrings_stats[i].stat_offset;
1316                         break;
1317                 default:
1318                         data[i] = 0;
1319                         continue;
1320                 }
1321
1322                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
1323                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1324         }
1325         for (j = 0; j < netdev->num_tx_queues; j++) {
1326                 ring = adapter->tx_ring[j];
1327                 if (!ring) {
1328                         data[i] = 0;
1329                         data[i+1] = 0;
1330                         i += 2;
1331                         continue;
1332                 }
1333
1334                 do {
1335                         start = u64_stats_fetch_begin_irq(&ring->syncp);
1336                         data[i]   = ring->stats.packets;
1337                         data[i+1] = ring->stats.bytes;
1338                 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
1339                 i += 2;
1340         }
1341         for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
1342                 ring = adapter->rx_ring[j];
1343                 if (!ring) {
1344                         data[i] = 0;
1345                         data[i+1] = 0;
1346                         i += 2;
1347                         continue;
1348                 }
1349
1350                 do {
1351                         start = u64_stats_fetch_begin_irq(&ring->syncp);
1352                         data[i]   = ring->stats.packets;
1353                         data[i+1] = ring->stats.bytes;
1354                 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
1355                 i += 2;
1356         }
1357
1358         for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1359                 data[i++] = adapter->stats.pxontxc[j];
1360                 data[i++] = adapter->stats.pxofftxc[j];
1361         }
1362         for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1363                 data[i++] = adapter->stats.pxonrxc[j];
1364                 data[i++] = adapter->stats.pxoffrxc[j];
1365         }
1366 }
1367
1368 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
1369                               u8 *data)
1370 {
1371         char *p = (char *)data;
1372         unsigned int i;
1373
1374         switch (stringset) {
1375         case ETH_SS_TEST:
1376                 for (i = 0; i < IXGBE_TEST_LEN; i++) {
1377                         memcpy(data, ixgbe_gstrings_test[i], ETH_GSTRING_LEN);
1378                         data += ETH_GSTRING_LEN;
1379                 }
1380                 break;
1381         case ETH_SS_STATS:
1382                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1383                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1384                                ETH_GSTRING_LEN);
1385                         p += ETH_GSTRING_LEN;
1386                 }
1387                 for (i = 0; i < netdev->num_tx_queues; i++) {
1388                         sprintf(p, "tx_queue_%u_packets", i);
1389                         p += ETH_GSTRING_LEN;
1390                         sprintf(p, "tx_queue_%u_bytes", i);
1391                         p += ETH_GSTRING_LEN;
1392                 }
1393                 for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) {
1394                         sprintf(p, "rx_queue_%u_packets", i);
1395                         p += ETH_GSTRING_LEN;
1396                         sprintf(p, "rx_queue_%u_bytes", i);
1397                         p += ETH_GSTRING_LEN;
1398                 }
1399                 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1400                         sprintf(p, "tx_pb_%u_pxon", i);
1401                         p += ETH_GSTRING_LEN;
1402                         sprintf(p, "tx_pb_%u_pxoff", i);
1403                         p += ETH_GSTRING_LEN;
1404                 }
1405                 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1406                         sprintf(p, "rx_pb_%u_pxon", i);
1407                         p += ETH_GSTRING_LEN;
1408                         sprintf(p, "rx_pb_%u_pxoff", i);
1409                         p += ETH_GSTRING_LEN;
1410                 }
1411                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
1412                 break;
1413         case ETH_SS_PRIV_FLAGS:
1414                 memcpy(data, ixgbe_priv_flags_strings,
1415                        IXGBE_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
1416         }
1417 }
1418
1419 static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1420 {
1421         struct ixgbe_hw *hw = &adapter->hw;
1422         bool link_up;
1423         u32 link_speed = 0;
1424
1425         if (ixgbe_removed(hw->hw_addr)) {
1426                 *data = 1;
1427                 return 1;
1428         }
1429         *data = 0;
1430
1431         hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1432         if (link_up)
1433                 return *data;
1434         else
1435                 *data = 1;
1436         return *data;
1437 }
1438
1439 /* ethtool register test data */
1440 struct ixgbe_reg_test {
1441         u16 reg;
1442         u8  array_len;
1443         u8  test_type;
1444         u32 mask;
1445         u32 write;
1446 };
1447
1448 /* In the hardware, registers are laid out either singly, in arrays
1449  * spaced 0x40 bytes apart, or in contiguous tables.  We assume
1450  * most tests take place on arrays or single registers (handled
1451  * as a single-element array) and special-case the tables.
1452  * Table tests are always pattern tests.
1453  *
1454  * We also make provision for some required setup steps by specifying
1455  * registers to be written without any read-back testing.
1456  */
1457
1458 #define PATTERN_TEST    1
1459 #define SET_READ_TEST   2
1460 #define WRITE_NO_TEST   3
1461 #define TABLE32_TEST    4
1462 #define TABLE64_TEST_LO 5
1463 #define TABLE64_TEST_HI 6
1464
1465 /* default 82599 register test */
1466 static const struct ixgbe_reg_test reg_test_82599[] = {
1467         { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1468         { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1469         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1470         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1471         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1472         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1473         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1474         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1475         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1476         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1477         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1478         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1479         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1480         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1481         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1482         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1483         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1484         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1485         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1486         { .reg = 0 }
1487 };
1488
1489 /* default 82598 register test */
1490 static const struct ixgbe_reg_test reg_test_82598[] = {
1491         { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1492         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1493         { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1494         { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1495         { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1496         { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1497         { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1498         /* Enable all four RX queues before testing. */
1499         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1500         /* RDH is read-only for 82598, only test RDT. */
1501         { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1502         { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1503         { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1504         { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1505         { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1506         { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1507         { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1508         { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1509         { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1510         { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1511         { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1512         { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1513         { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1514         { .reg = 0 }
1515 };
1516
1517 static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
1518                              u32 mask, u32 write)
1519 {
1520         u32 pat, val, before;
1521         static const u32 test_pattern[] = {
1522                 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1523
1524         if (ixgbe_removed(adapter->hw.hw_addr)) {
1525                 *data = 1;
1526                 return true;
1527         }
1528         for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
1529                 before = ixgbe_read_reg(&adapter->hw, reg);
1530                 ixgbe_write_reg(&adapter->hw, reg, test_pattern[pat] & write);
1531                 val = ixgbe_read_reg(&adapter->hw, reg);
1532                 if (val != (test_pattern[pat] & write & mask)) {
1533                         e_err(drv, "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
1534                               reg, val, (test_pattern[pat] & write & mask));
1535                         *data = reg;
1536                         ixgbe_write_reg(&adapter->hw, reg, before);
1537                         return true;
1538                 }
1539                 ixgbe_write_reg(&adapter->hw, reg, before);
1540         }
1541         return false;
1542 }
1543
1544 static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
1545                               u32 mask, u32 write)
1546 {
1547         u32 val, before;
1548
1549         if (ixgbe_removed(adapter->hw.hw_addr)) {
1550                 *data = 1;
1551                 return true;
1552         }
1553         before = ixgbe_read_reg(&adapter->hw, reg);
1554         ixgbe_write_reg(&adapter->hw, reg, write & mask);
1555         val = ixgbe_read_reg(&adapter->hw, reg);
1556         if ((write & mask) != (val & mask)) {
1557                 e_err(drv, "set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
1558                       reg, (val & mask), (write & mask));
1559                 *data = reg;
1560                 ixgbe_write_reg(&adapter->hw, reg, before);
1561                 return true;
1562         }
1563         ixgbe_write_reg(&adapter->hw, reg, before);
1564         return false;
1565 }
1566
1567 static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1568 {
1569         const struct ixgbe_reg_test *test;
1570         u32 value, before, after;
1571         u32 i, toggle;
1572
1573         if (ixgbe_removed(adapter->hw.hw_addr)) {
1574                 e_err(drv, "Adapter removed - register test blocked\n");
1575                 *data = 1;
1576                 return 1;
1577         }
1578         switch (adapter->hw.mac.type) {
1579         case ixgbe_mac_82598EB:
1580                 toggle = 0x7FFFF3FF;
1581                 test = reg_test_82598;
1582                 break;
1583         case ixgbe_mac_82599EB:
1584         case ixgbe_mac_X540:
1585         case ixgbe_mac_X550:
1586         case ixgbe_mac_X550EM_x:
1587         case ixgbe_mac_x550em_a:
1588                 toggle = 0x7FFFF30F;
1589                 test = reg_test_82599;
1590                 break;
1591         default:
1592                 *data = 1;
1593                 return 1;
1594         }
1595
1596         /*
1597          * Because the status register is such a special case,
1598          * we handle it separately from the rest of the register
1599          * tests.  Some bits are read-only, some toggle, and some
1600          * are writeable on newer MACs.
1601          */
1602         before = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS);
1603         value = (ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle);
1604         ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, toggle);
1605         after = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle;
1606         if (value != after) {
1607                 e_err(drv, "failed STATUS register test got: 0x%08X expected: 0x%08X\n",
1608                       after, value);
1609                 *data = 1;
1610                 return 1;
1611         }
1612         /* restore previous status */
1613         ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, before);
1614
1615         /*
1616          * Perform the remainder of the register test, looping through
1617          * the test table until we either fail or reach the null entry.
1618          */
1619         while (test->reg) {
1620                 for (i = 0; i < test->array_len; i++) {
1621                         bool b = false;
1622
1623                         switch (test->test_type) {
1624                         case PATTERN_TEST:
1625                                 b = reg_pattern_test(adapter, data,
1626                                                      test->reg + (i * 0x40),
1627                                                      test->mask,
1628                                                      test->write);
1629                                 break;
1630                         case SET_READ_TEST:
1631                                 b = reg_set_and_check(adapter, data,
1632                                                       test->reg + (i * 0x40),
1633                                                       test->mask,
1634                                                       test->write);
1635                                 break;
1636                         case WRITE_NO_TEST:
1637                                 ixgbe_write_reg(&adapter->hw,
1638                                                 test->reg + (i * 0x40),
1639                                                 test->write);
1640                                 break;
1641                         case TABLE32_TEST:
1642                                 b = reg_pattern_test(adapter, data,
1643                                                      test->reg + (i * 4),
1644                                                      test->mask,
1645                                                      test->write);
1646                                 break;
1647                         case TABLE64_TEST_LO:
1648                                 b = reg_pattern_test(adapter, data,
1649                                                      test->reg + (i * 8),
1650                                                      test->mask,
1651                                                      test->write);
1652                                 break;
1653                         case TABLE64_TEST_HI:
1654                                 b = reg_pattern_test(adapter, data,
1655                                                      (test->reg + 4) + (i * 8),
1656                                                      test->mask,
1657                                                      test->write);
1658                                 break;
1659                         }
1660                         if (b)
1661                                 return 1;
1662                 }
1663                 test++;
1664         }
1665
1666         *data = 0;
1667         return 0;
1668 }
1669
1670 static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1671 {
1672         struct ixgbe_hw *hw = &adapter->hw;
1673         if (hw->eeprom.ops.validate_checksum(hw, NULL))
1674                 *data = 1;
1675         else
1676                 *data = 0;
1677         return *data;
1678 }
1679
1680 static irqreturn_t ixgbe_test_intr(int irq, void *data)
1681 {
1682         struct net_device *netdev = (struct net_device *) data;
1683         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1684
1685         adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1686
1687         return IRQ_HANDLED;
1688 }
1689
1690 static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1691 {
1692         struct net_device *netdev = adapter->netdev;
1693         u32 mask, i = 0, shared_int = true;
1694         u32 irq = adapter->pdev->irq;
1695
1696         *data = 0;
1697
1698         /* Hook up test interrupt handler just for this test */
1699         if (adapter->msix_entries) {
1700                 /* NOTE: we don't test MSI-X interrupts here, yet */
1701                 return 0;
1702         } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1703                 shared_int = false;
1704                 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
1705                                 netdev)) {
1706                         *data = 1;
1707                         return -1;
1708                 }
1709         } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
1710                                 netdev->name, netdev)) {
1711                 shared_int = false;
1712         } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
1713                                netdev->name, netdev)) {
1714                 *data = 1;
1715                 return -1;
1716         }
1717         e_info(hw, "testing %s interrupt\n", shared_int ?
1718                "shared" : "unshared");
1719
1720         /* Disable all the interrupts */
1721         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1722         IXGBE_WRITE_FLUSH(&adapter->hw);
1723         usleep_range(10000, 20000);
1724
1725         /* Test each interrupt */
1726         for (; i < 10; i++) {
1727                 /* Interrupt to test */
1728                 mask = BIT(i);
1729
1730                 if (!shared_int) {
1731                         /*
1732                          * Disable the interrupts to be reported in
1733                          * the cause register and then force the same
1734                          * interrupt and see if one gets posted.  If
1735                          * an interrupt was posted to the bus, the
1736                          * test failed.
1737                          */
1738                         adapter->test_icr = 0;
1739                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1740                                         ~mask & 0x00007FFF);
1741                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1742                                         ~mask & 0x00007FFF);
1743                         IXGBE_WRITE_FLUSH(&adapter->hw);
1744                         usleep_range(10000, 20000);
1745
1746                         if (adapter->test_icr & mask) {
1747                                 *data = 3;
1748                                 break;
1749                         }
1750                 }
1751
1752                 /*
1753                  * Enable the interrupt to be reported in the cause
1754                  * register and then force the same interrupt and see
1755                  * if one gets posted.  If an interrupt was not posted
1756                  * to the bus, the test failed.
1757                  */
1758                 adapter->test_icr = 0;
1759                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1760                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
1761                 IXGBE_WRITE_FLUSH(&adapter->hw);
1762                 usleep_range(10000, 20000);
1763
1764                 if (!(adapter->test_icr & mask)) {
1765                         *data = 4;
1766                         break;
1767                 }
1768
1769                 if (!shared_int) {
1770                         /*
1771                          * Disable the other interrupts to be reported in
1772                          * the cause register and then force the other
1773                          * interrupts and see if any get posted.  If
1774                          * an interrupt was posted to the bus, the
1775                          * test failed.
1776                          */
1777                         adapter->test_icr = 0;
1778                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
1779                                         ~mask & 0x00007FFF);
1780                         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
1781                                         ~mask & 0x00007FFF);
1782                         IXGBE_WRITE_FLUSH(&adapter->hw);
1783                         usleep_range(10000, 20000);
1784
1785                         if (adapter->test_icr) {
1786                                 *data = 5;
1787                                 break;
1788                         }
1789                 }
1790         }
1791
1792         /* Disable all the interrupts */
1793         IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
1794         IXGBE_WRITE_FLUSH(&adapter->hw);
1795         usleep_range(10000, 20000);
1796
1797         /* Unhook test interrupt handler */
1798         free_irq(irq, netdev);
1799
1800         return *data;
1801 }
1802
1803 static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1804 {
1805         /* Shut down the DMA engines now so they can be reinitialized later,
1806          * since the test rings and normally used rings should overlap on
1807          * queue 0 we can just use the standard disable Rx/Tx calls and they
1808          * will take care of disabling the test rings for us.
1809          */
1810
1811         /* first Rx */
1812         ixgbe_disable_rx(adapter);
1813
1814         /* now Tx */
1815         ixgbe_disable_tx(adapter);
1816
1817         ixgbe_reset(adapter);
1818
1819         ixgbe_free_tx_resources(&adapter->test_tx_ring);
1820         ixgbe_free_rx_resources(&adapter->test_rx_ring);
1821 }
1822
1823 static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1824 {
1825         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1826         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1827         struct ixgbe_hw *hw = &adapter->hw;
1828         u32 rctl, reg_data;
1829         int ret_val;
1830         int err;
1831
1832         /* Setup Tx descriptor ring and Tx buffers */
1833         tx_ring->count = IXGBE_DEFAULT_TXD;
1834         tx_ring->queue_index = 0;
1835         tx_ring->dev = &adapter->pdev->dev;
1836         tx_ring->netdev = adapter->netdev;
1837         tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
1838
1839         err = ixgbe_setup_tx_resources(tx_ring);
1840         if (err)
1841                 return 1;
1842
1843         switch (adapter->hw.mac.type) {
1844         case ixgbe_mac_82599EB:
1845         case ixgbe_mac_X540:
1846         case ixgbe_mac_X550:
1847         case ixgbe_mac_X550EM_x:
1848         case ixgbe_mac_x550em_a:
1849                 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1850                 reg_data |= IXGBE_DMATXCTL_TE;
1851                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
1852                 break;
1853         default:
1854                 break;
1855         }
1856
1857         ixgbe_configure_tx_ring(adapter, tx_ring);
1858
1859         /* Setup Rx Descriptor ring and Rx buffers */
1860         rx_ring->count = IXGBE_DEFAULT_RXD;
1861         rx_ring->queue_index = 0;
1862         rx_ring->dev = &adapter->pdev->dev;
1863         rx_ring->netdev = adapter->netdev;
1864         rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
1865
1866         err = ixgbe_setup_rx_resources(adapter, rx_ring);
1867         if (err) {
1868                 ret_val = 4;
1869                 goto err_nomem;
1870         }
1871
1872         hw->mac.ops.disable_rx(hw);
1873
1874         ixgbe_configure_rx_ring(adapter, rx_ring);
1875
1876         rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1877         rctl |= IXGBE_RXCTRL_DMBYPS;
1878         IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1879
1880         hw->mac.ops.enable_rx(hw);
1881
1882         return 0;
1883
1884 err_nomem:
1885         ixgbe_free_desc_rings(adapter);
1886         return ret_val;
1887 }
1888
1889 static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1890 {
1891         struct ixgbe_hw *hw = &adapter->hw;
1892         u32 reg_data;
1893
1894
1895         /* Setup MAC loopback */
1896         reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
1897         reg_data |= IXGBE_HLREG0_LPBK;
1898         IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
1899
1900         reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
1901         reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
1902         IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
1903
1904         /* X540 and X550 needs to set the MACC.FLU bit to force link up */
1905         switch (adapter->hw.mac.type) {
1906         case ixgbe_mac_X540:
1907         case ixgbe_mac_X550:
1908         case ixgbe_mac_X550EM_x:
1909         case ixgbe_mac_x550em_a:
1910                 reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
1911                 reg_data |= IXGBE_MACC_FLU;
1912                 IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
1913                 break;
1914         default:
1915                 if (hw->mac.orig_autoc) {
1916                         reg_data = hw->mac.orig_autoc | IXGBE_AUTOC_FLU;
1917                         IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
1918                 } else {
1919                         return 10;
1920                 }
1921         }
1922         IXGBE_WRITE_FLUSH(hw);
1923         usleep_range(10000, 20000);
1924
1925         /* Disable Atlas Tx lanes; re-enabled in reset path */
1926         if (hw->mac.type == ixgbe_mac_82598EB) {
1927                 u8 atlas;
1928
1929                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1930                 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1931                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1932
1933                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1934                 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1935                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1936
1937                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1938                 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1939                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1940
1941                 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1942                 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1943                 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1944         }
1945
1946         return 0;
1947 }
1948
1949 static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1950 {
1951         u32 reg_data;
1952
1953         reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1954         reg_data &= ~IXGBE_HLREG0_LPBK;
1955         IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1956 }
1957
1958 static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
1959                                       unsigned int frame_size)
1960 {
1961         memset(skb->data, 0xFF, frame_size);
1962         frame_size >>= 1;
1963         memset(&skb->data[frame_size], 0xAA, frame_size / 2 - 1);
1964         skb->data[frame_size + 10] = 0xBE;
1965         skb->data[frame_size + 12] = 0xAF;
1966 }
1967
1968 static bool ixgbe_check_lbtest_frame(struct ixgbe_rx_buffer *rx_buffer,
1969                                      unsigned int frame_size)
1970 {
1971         unsigned char *data;
1972         bool match = true;
1973
1974         frame_size >>= 1;
1975
1976         data = kmap(rx_buffer->page) + rx_buffer->page_offset;
1977
1978         if (data[3] != 0xFF ||
1979             data[frame_size + 10] != 0xBE ||
1980             data[frame_size + 12] != 0xAF)
1981                 match = false;
1982
1983         kunmap(rx_buffer->page);
1984
1985         return match;
1986 }
1987
1988 static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
1989                                   struct ixgbe_ring *tx_ring,
1990                                   unsigned int size)
1991 {
1992         union ixgbe_adv_rx_desc *rx_desc;
1993         u16 rx_ntc, tx_ntc, count = 0;
1994
1995         /* initialize next to clean and descriptor values */
1996         rx_ntc = rx_ring->next_to_clean;
1997         tx_ntc = tx_ring->next_to_clean;
1998         rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
1999
2000         while (tx_ntc != tx_ring->next_to_use) {
2001                 union ixgbe_adv_tx_desc *tx_desc;
2002                 struct ixgbe_tx_buffer *tx_buffer;
2003
2004                 tx_desc = IXGBE_TX_DESC(tx_ring, tx_ntc);
2005
2006                 /* if DD is not set transmit has not completed */
2007                 if (!(tx_desc->wb.status & cpu_to_le32(IXGBE_TXD_STAT_DD)))
2008                         return count;
2009
2010                 /* unmap buffer on Tx side */
2011                 tx_buffer = &tx_ring->tx_buffer_info[tx_ntc];
2012
2013                 /* Free all the Tx ring sk_buffs */
2014                 dev_kfree_skb_any(tx_buffer->skb);
2015
2016                 /* unmap skb header data */
2017                 dma_unmap_single(tx_ring->dev,
2018                                  dma_unmap_addr(tx_buffer, dma),
2019                                  dma_unmap_len(tx_buffer, len),
2020                                  DMA_TO_DEVICE);
2021                 dma_unmap_len_set(tx_buffer, len, 0);
2022
2023                 /* increment Tx next to clean counter */
2024                 tx_ntc++;
2025                 if (tx_ntc == tx_ring->count)
2026                         tx_ntc = 0;
2027         }
2028
2029         while (rx_desc->wb.upper.length) {
2030                 struct ixgbe_rx_buffer *rx_buffer;
2031
2032                 /* check Rx buffer */
2033                 rx_buffer = &rx_ring->rx_buffer_info[rx_ntc];
2034
2035                 /* sync Rx buffer for CPU read */
2036                 dma_sync_single_for_cpu(rx_ring->dev,
2037                                         rx_buffer->dma,
2038                                         ixgbe_rx_bufsz(rx_ring),
2039                                         DMA_FROM_DEVICE);
2040
2041                 /* verify contents of skb */
2042                 if (ixgbe_check_lbtest_frame(rx_buffer, size))
2043                         count++;
2044                 else
2045                         break;
2046
2047                 /* sync Rx buffer for device write */
2048                 dma_sync_single_for_device(rx_ring->dev,
2049                                            rx_buffer->dma,
2050                                            ixgbe_rx_bufsz(rx_ring),
2051                                            DMA_FROM_DEVICE);
2052
2053                 /* increment Rx next to clean counter */
2054                 rx_ntc++;
2055                 if (rx_ntc == rx_ring->count)
2056                         rx_ntc = 0;
2057
2058                 /* fetch next descriptor */
2059                 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
2060         }
2061
2062         netdev_tx_reset_queue(txring_txq(tx_ring));
2063
2064         /* re-map buffers to ring, store next to clean values */
2065         ixgbe_alloc_rx_buffers(rx_ring, count);
2066         rx_ring->next_to_clean = rx_ntc;
2067         tx_ring->next_to_clean = tx_ntc;
2068
2069         return count;
2070 }
2071
2072 static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
2073 {
2074         struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
2075         struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
2076         int i, j, lc, good_cnt, ret_val = 0;
2077         unsigned int size = 1024;
2078         netdev_tx_t tx_ret_val;
2079         struct sk_buff *skb;
2080         u32 flags_orig = adapter->flags;
2081
2082         /* DCB can modify the frames on Tx */
2083         adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
2084
2085         /* allocate test skb */
2086         skb = alloc_skb(size, GFP_KERNEL);
2087         if (!skb)
2088                 return 11;
2089
2090         /* place data into test skb */
2091         ixgbe_create_lbtest_frame(skb, size);
2092         skb_put(skb, size);
2093
2094         /*
2095          * Calculate the loop count based on the largest descriptor ring
2096          * The idea is to wrap the largest ring a number of times using 64
2097          * send/receive pairs during each loop
2098          */
2099
2100         if (rx_ring->count <= tx_ring->count)
2101                 lc = ((tx_ring->count / 64) * 2) + 1;
2102         else
2103                 lc = ((rx_ring->count / 64) * 2) + 1;
2104
2105         for (j = 0; j <= lc; j++) {
2106                 /* reset count of good packets */
2107                 good_cnt = 0;
2108
2109                 /* place 64 packets on the transmit queue*/
2110                 for (i = 0; i < 64; i++) {
2111                         skb_get(skb);
2112                         tx_ret_val = ixgbe_xmit_frame_ring(skb,
2113                                                            adapter,
2114                                                            tx_ring);
2115                         if (tx_ret_val == NETDEV_TX_OK)
2116                                 good_cnt++;
2117                 }
2118
2119                 if (good_cnt != 64) {
2120                         ret_val = 12;
2121                         break;
2122                 }
2123
2124                 /* allow 200 milliseconds for packets to go from Tx to Rx */
2125                 msleep(200);
2126
2127                 good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
2128                 if (good_cnt != 64) {
2129                         ret_val = 13;
2130                         break;
2131                 }
2132         }
2133
2134         /* free the original skb */
2135         kfree_skb(skb);
2136         adapter->flags = flags_orig;
2137
2138         return ret_val;
2139 }
2140
2141 static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
2142 {
2143         *data = ixgbe_setup_desc_rings(adapter);
2144         if (*data)
2145                 goto out;
2146         *data = ixgbe_setup_loopback_test(adapter);
2147         if (*data)
2148                 goto err_loopback;
2149         *data = ixgbe_run_loopback_test(adapter);
2150         ixgbe_loopback_cleanup(adapter);
2151
2152 err_loopback:
2153         ixgbe_free_desc_rings(adapter);
2154 out:
2155         return *data;
2156 }
2157
2158 static void ixgbe_diag_test(struct net_device *netdev,
2159                             struct ethtool_test *eth_test, u64 *data)
2160 {
2161         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2162         bool if_running = netif_running(netdev);
2163
2164         if (ixgbe_removed(adapter->hw.hw_addr)) {
2165                 e_err(hw, "Adapter removed - test blocked\n");
2166                 data[0] = 1;
2167                 data[1] = 1;
2168                 data[2] = 1;
2169                 data[3] = 1;
2170                 data[4] = 1;
2171                 eth_test->flags |= ETH_TEST_FL_FAILED;
2172                 return;
2173         }
2174         set_bit(__IXGBE_TESTING, &adapter->state);
2175         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
2176                 struct ixgbe_hw *hw = &adapter->hw;
2177
2178                 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
2179                         int i;
2180                         for (i = 0; i < adapter->num_vfs; i++) {
2181                                 if (adapter->vfinfo[i].clear_to_send) {
2182                                         netdev_warn(netdev, "offline diagnostic is not supported when VFs are present\n");
2183                                         data[0] = 1;
2184                                         data[1] = 1;
2185                                         data[2] = 1;
2186                                         data[3] = 1;
2187                                         data[4] = 1;
2188                                         eth_test->flags |= ETH_TEST_FL_FAILED;
2189                                         clear_bit(__IXGBE_TESTING,
2190                                                   &adapter->state);
2191                                         return;
2192                                 }
2193                         }
2194                 }
2195
2196                 /* Offline tests */
2197                 e_info(hw, "offline testing starting\n");
2198
2199                 /* Link test performed before hardware reset so autoneg doesn't
2200                  * interfere with test result
2201                  */
2202                 if (ixgbe_link_test(adapter, &data[4]))
2203                         eth_test->flags |= ETH_TEST_FL_FAILED;
2204
2205                 if (if_running)
2206                         /* indicate we're in test mode */
2207                         ixgbe_close(netdev);
2208                 else
2209                         ixgbe_reset(adapter);
2210
2211                 e_info(hw, "register testing starting\n");
2212                 if (ixgbe_reg_test(adapter, &data[0]))
2213                         eth_test->flags |= ETH_TEST_FL_FAILED;
2214
2215                 ixgbe_reset(adapter);
2216                 e_info(hw, "eeprom testing starting\n");
2217                 if (ixgbe_eeprom_test(adapter, &data[1]))
2218                         eth_test->flags |= ETH_TEST_FL_FAILED;
2219
2220                 ixgbe_reset(adapter);
2221                 e_info(hw, "interrupt testing starting\n");
2222                 if (ixgbe_intr_test(adapter, &data[2]))
2223                         eth_test->flags |= ETH_TEST_FL_FAILED;
2224
2225                 /* If SRIOV or VMDq is enabled then skip MAC
2226                  * loopback diagnostic. */
2227                 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
2228                                       IXGBE_FLAG_VMDQ_ENABLED)) {
2229                         e_info(hw, "Skip MAC loopback diagnostic in VT mode\n");
2230                         data[3] = 0;
2231                         goto skip_loopback;
2232                 }
2233
2234                 ixgbe_reset(adapter);
2235                 e_info(hw, "loopback testing starting\n");
2236                 if (ixgbe_loopback_test(adapter, &data[3]))
2237                         eth_test->flags |= ETH_TEST_FL_FAILED;
2238
2239 skip_loopback:
2240                 ixgbe_reset(adapter);
2241
2242                 /* clear testing bit and return adapter to previous state */
2243                 clear_bit(__IXGBE_TESTING, &adapter->state);
2244                 if (if_running)
2245                         ixgbe_open(netdev);
2246                 else if (hw->mac.ops.disable_tx_laser)
2247                         hw->mac.ops.disable_tx_laser(hw);
2248         } else {
2249                 e_info(hw, "online testing starting\n");
2250
2251                 /* Online tests */
2252                 if (ixgbe_link_test(adapter, &data[4]))
2253                         eth_test->flags |= ETH_TEST_FL_FAILED;
2254
2255                 /* Offline tests aren't run; pass by default */
2256                 data[0] = 0;
2257                 data[1] = 0;
2258                 data[2] = 0;
2259                 data[3] = 0;
2260
2261                 clear_bit(__IXGBE_TESTING, &adapter->state);
2262         }
2263 }
2264
2265 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
2266                                struct ethtool_wolinfo *wol)
2267 {
2268         struct ixgbe_hw *hw = &adapter->hw;
2269         int retval = 0;
2270
2271         /* WOL not supported for all devices */
2272         if (!ixgbe_wol_supported(adapter, hw->device_id,
2273                                  hw->subsystem_device_id)) {
2274                 retval = 1;
2275                 wol->supported = 0;
2276         }
2277
2278         return retval;
2279 }
2280
2281 static void ixgbe_get_wol(struct net_device *netdev,
2282                           struct ethtool_wolinfo *wol)
2283 {
2284         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2285
2286         wol->supported = WAKE_UCAST | WAKE_MCAST |
2287                          WAKE_BCAST | WAKE_MAGIC;
2288         wol->wolopts = 0;
2289
2290         if (ixgbe_wol_exclusion(adapter, wol) ||
2291             !device_can_wakeup(&adapter->pdev->dev))
2292                 return;
2293
2294         if (adapter->wol & IXGBE_WUFC_EX)
2295                 wol->wolopts |= WAKE_UCAST;
2296         if (adapter->wol & IXGBE_WUFC_MC)
2297                 wol->wolopts |= WAKE_MCAST;
2298         if (adapter->wol & IXGBE_WUFC_BC)
2299                 wol->wolopts |= WAKE_BCAST;
2300         if (adapter->wol & IXGBE_WUFC_MAG)
2301                 wol->wolopts |= WAKE_MAGIC;
2302 }
2303
2304 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2305 {
2306         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2307
2308         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE |
2309                             WAKE_FILTER))
2310                 return -EOPNOTSUPP;
2311
2312         if (ixgbe_wol_exclusion(adapter, wol))
2313                 return wol->wolopts ? -EOPNOTSUPP : 0;
2314
2315         adapter->wol = 0;
2316
2317         if (wol->wolopts & WAKE_UCAST)
2318                 adapter->wol |= IXGBE_WUFC_EX;
2319         if (wol->wolopts & WAKE_MCAST)
2320                 adapter->wol |= IXGBE_WUFC_MC;
2321         if (wol->wolopts & WAKE_BCAST)
2322                 adapter->wol |= IXGBE_WUFC_BC;
2323         if (wol->wolopts & WAKE_MAGIC)
2324                 adapter->wol |= IXGBE_WUFC_MAG;
2325
2326         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2327
2328         return 0;
2329 }
2330
2331 static int ixgbe_nway_reset(struct net_device *netdev)
2332 {
2333         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2334
2335         if (netif_running(netdev))
2336                 ixgbe_reinit_locked(adapter);
2337
2338         return 0;
2339 }
2340
2341 static int ixgbe_set_phys_id(struct net_device *netdev,
2342                              enum ethtool_phys_id_state state)
2343 {
2344         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2345         struct ixgbe_hw *hw = &adapter->hw;
2346
2347         if (!hw->mac.ops.led_on || !hw->mac.ops.led_off)
2348                 return -EOPNOTSUPP;
2349
2350         switch (state) {
2351         case ETHTOOL_ID_ACTIVE:
2352                 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2353                 return 2;
2354
2355         case ETHTOOL_ID_ON:
2356                 hw->mac.ops.led_on(hw, hw->mac.led_link_act);
2357                 break;
2358
2359         case ETHTOOL_ID_OFF:
2360                 hw->mac.ops.led_off(hw, hw->mac.led_link_act);
2361                 break;
2362
2363         case ETHTOOL_ID_INACTIVE:
2364                 /* Restore LED settings */
2365                 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
2366                 break;
2367         }
2368
2369         return 0;
2370 }
2371
2372 static int ixgbe_get_coalesce(struct net_device *netdev,
2373                               struct ethtool_coalesce *ec)
2374 {
2375         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2376
2377         /* only valid if in constant ITR mode */
2378         if (adapter->rx_itr_setting <= 1)
2379                 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2380         else
2381                 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
2382
2383         /* if in mixed tx/rx queues per vector mode, report only rx settings */
2384         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2385                 return 0;
2386
2387         /* only valid if in constant ITR mode */
2388         if (adapter->tx_itr_setting <= 1)
2389                 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
2390         else
2391                 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
2392
2393         return 0;
2394 }
2395
2396 /*
2397  * this function must be called before setting the new value of
2398  * rx_itr_setting
2399  */
2400 static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter)
2401 {
2402         struct net_device *netdev = adapter->netdev;
2403
2404         /* nothing to do if LRO or RSC are not enabled */
2405         if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) ||
2406             !(netdev->features & NETIF_F_LRO))
2407                 return false;
2408
2409         /* check the feature flag value and enable RSC if necessary */
2410         if (adapter->rx_itr_setting == 1 ||
2411             adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
2412                 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
2413                         adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
2414                         e_info(probe, "rx-usecs value high enough to re-enable RSC\n");
2415                         return true;
2416                 }
2417         /* if interrupt rate is too high then disable RSC */
2418         } else if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2419                 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2420                 e_info(probe, "rx-usecs set too low, disabling RSC\n");
2421                 return true;
2422         }
2423         return false;
2424 }
2425
2426 static int ixgbe_set_coalesce(struct net_device *netdev,
2427                               struct ethtool_coalesce *ec)
2428 {
2429         struct ixgbe_adapter *adapter = netdev_priv(netdev);
2430         struct ixgbe_q_vector *q_vector;
2431         int i;
2432         u16 tx_itr_param, rx_itr_param, tx_itr_prev;
2433         bool need_reset = false;
2434
2435         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count) {
2436                 /* reject Tx specific changes in case of mixed RxTx vectors */
2437                 if (ec->tx_coalesce_usecs)
2438                         return -EINVAL;
2439                 tx_itr_prev = adapter->rx_itr_setting;
2440         } else {
2441                 tx_itr_prev = adapter->tx_itr_setting;
2442         }
2443
2444         if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2445             (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2446                 return -EINVAL;
2447
2448         if (ec->rx_coalesce_usecs > 1)
2449                 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2450         else
2451                 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
2452
2453         if (adapter->rx_itr_setting == 1)
2454                 rx_itr_param = IXGBE_20K_ITR;
2455         else
2456                 rx_itr_param = adapter->rx_itr_setting;
2457
2458         if (ec->tx_coalesce_usecs > 1)
2459                 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2460         else
2461                 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
2462
2463         if (adapter->tx_itr_setting == 1)
2464                 tx_itr_param = IXGBE_12K_ITR;
2465         else
2466                 tx_itr_param = adapter->tx_itr_setting;
2467
2468         /* mixed Rx/Tx */
2469         if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2470                 adapter->tx_itr_setting = adapter->rx_itr_setting;
2471
2472         /* detect ITR changes that require update of TXDCTL.WTHRESH */
2473         if ((adapter->tx_itr_setting != 1) &&
2474             (adapter->tx_itr_setting < IXGBE_100K_ITR)) {
2475                 if ((tx_itr_prev == 1) ||
2476                     (tx_itr_prev >= IXGBE_100K_ITR))
2477                         need_reset = true;
2478         } else {
2479                 if ((tx_itr_prev != 1) &&
2480                     (tx_itr_prev < IXGBE_100K_ITR))
2481                         need_reset = true;
2482         }
2483
2484         /* check the old value and enable RSC if necessary */
2485         need_reset |= ixgbe_update_rsc(adapter);
2486
2487         for (i = 0; i < adapter->num_q_vectors; i++) {
2488                 q_vector = adapter->q_vector[i];
2489                 if (q_vector->tx.count && !q_vector->rx.count)
2490                         /* tx only */
2491                         q_vector->itr = tx_itr_param;
2492                 else
2493                         /* rx only or mixed */
2494                         q_vector->itr = rx_itr_param;
2495                 ixgbe_write_eitr(q_vector);
2496         }
2497
2498         /*
2499          * do reset here at the end to make sure EITR==0 case is handled
2500          * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2501          * also locks in RSC enable/disable which requires reset
2502          */
2503         if (need_reset)
2504                 ixgbe_do_reset(netdev);
2505
2506         return 0;
2507 }
2508
2509 static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2510                                         struct ethtool_rxnfc *cmd)
2511 {
2512         union ixgbe_atr_input *mask = &adapter->fdir_mask;
2513         struct ethtool_rx_flow_spec *fsp =
2514                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2515         struct hlist_node *node2;
2516         struct ixgbe_fdir_filter *rule = NULL;
2517
2518         /* report total rule count */
2519         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2520
2521         hlist_for_each_entry_safe(rule, node2,
2522                                   &adapter->fdir_filter_list, fdir_node) {
2523                 if (fsp->location <= rule->sw_idx)
2524                         break;
2525         }
2526
2527         if (!rule || fsp->location != rule->sw_idx)
2528                 return -EINVAL;
2529
2530         /* fill out the flow spec entry */
2531
2532         /* set flow type field */
2533         switch (rule->filter.formatted.flow_type) {
2534         case IXGBE_ATR_FLOW_TYPE_TCPV4:
2535                 fsp->flow_type = TCP_V4_FLOW;
2536                 break;
2537         case IXGBE_ATR_FLOW_TYPE_UDPV4:
2538                 fsp->flow_type = UDP_V4_FLOW;
2539                 break;
2540         case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2541                 fsp->flow_type = SCTP_V4_FLOW;
2542                 break;
2543         case IXGBE_ATR_FLOW_TYPE_IPV4:
2544                 fsp->flow_type = IP_USER_FLOW;
2545                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2546                 fsp->h_u.usr_ip4_spec.proto = 0;
2547                 fsp->m_u.usr_ip4_spec.proto = 0;
2548                 break;
2549         default:
2550                 return -EINVAL;
2551         }
2552
2553         fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2554         fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2555         fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2556         fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2557         fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2558         fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2559         fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2560         fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2561         fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2562         fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2563         fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2564         fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2565         fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2566         fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2567         fsp->flow_type |= FLOW_EXT;
2568
2569         /* record action */
2570         if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2571                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2572         else
2573                 fsp->ring_cookie = rule->action;
2574
2575         return 0;
2576 }
2577
2578 static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2579                                       struct ethtool_rxnfc *cmd,
2580                                       u32 *rule_locs)
2581 {
2582         struct hlist_node *node2;
2583         struct ixgbe_fdir_filter *rule;
2584         int cnt = 0;
2585
2586         /* report total rule count */
2587         cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2588
2589         hlist_for_each_entry_safe(rule, node2,
2590                                   &adapter->fdir_filter_list, fdir_node) {
2591                 if (cnt == cmd->rule_cnt)
2592                         return -EMSGSIZE;
2593                 rule_locs[cnt] = rule->sw_idx;
2594                 cnt++;
2595         }
2596
2597         cmd->rule_cnt = cnt;
2598
2599         return 0;
2600 }
2601
2602 static int ixgbe_get_rss_hash_opts(struct ixgbe_adapter *adapter,
2603                                    struct ethtool_rxnfc *cmd)
2604 {
2605         cmd->data = 0;
2606
2607         /* Report default options for RSS on ixgbe */
2608         switch (cmd->flow_type) {
2609         case TCP_V4_FLOW:
2610                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2611                 fallthrough;
2612         case UDP_V4_FLOW:
2613                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2614                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2615                 fallthrough;
2616         case SCTP_V4_FLOW:
2617         case AH_ESP_V4_FLOW:
2618         case AH_V4_FLOW:
2619         case ESP_V4_FLOW:
2620         case IPV4_FLOW:
2621                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2622                 break;
2623         case TCP_V6_FLOW:
2624                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2625                 fallthrough;
2626         case UDP_V6_FLOW:
2627                 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2628                         cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
2629                 fallthrough;
2630         case SCTP_V6_FLOW:
2631         case AH_ESP_V6_FLOW:
2632         case AH_V6_FLOW:
2633         case ESP_V6_FLOW:
2634         case IPV6_FLOW:
2635                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2636                 break;
2637         default:
2638                 return -EINVAL;
2639         }
2640
2641         return 0;
2642 }
2643
2644 static int ixgbe_rss_indir_tbl_max(struct ixgbe_adapter *adapter)
2645 {
2646         if (adapter->hw.mac.type < ixgbe_mac_X550)
2647                 return 16;
2648         else
2649                 return 64;
2650 }
2651
2652 static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
2653                            u32 *rule_locs)
2654 {
2655         struct ixgbe_adapter *adapter = netdev_priv(dev);
2656         int ret = -EOPNOTSUPP;
2657
2658         switch (cmd->cmd) {
2659         case ETHTOOL_GRXRINGS:
2660                 cmd->data = min_t(int, adapter->num_rx_queues,
2661                                   ixgbe_rss_indir_tbl_max(adapter));
2662                 ret = 0;
2663                 break;
2664         case ETHTOOL_GRXCLSRLCNT:
2665                 cmd->rule_cnt = adapter->fdir_filter_count;
2666                 ret = 0;
2667                 break;
2668         case ETHTOOL_GRXCLSRULE:
2669                 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2670                 break;
2671         case ETHTOOL_GRXCLSRLALL:
2672                 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd, rule_locs);
2673                 break;
2674         case ETHTOOL_GRXFH:
2675                 ret = ixgbe_get_rss_hash_opts(adapter, cmd);
2676                 break;
2677         default:
2678                 break;
2679         }
2680
2681         return ret;
2682 }
2683
2684 int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2685                                     struct ixgbe_fdir_filter *input,
2686                                     u16 sw_idx)
2687 {
2688         struct ixgbe_hw *hw = &adapter->hw;
2689         struct hlist_node *node2;
2690         struct ixgbe_fdir_filter *rule, *parent;
2691         int err = -EINVAL;
2692
2693         parent = NULL;
2694         rule = NULL;
2695
2696         hlist_for_each_entry_safe(rule, node2,
2697                                   &adapter->fdir_filter_list, fdir_node) {
2698                 /* hash found, or no matching entry */
2699                 if (rule->sw_idx >= sw_idx)
2700                         break;
2701                 parent = rule;
2702         }
2703
2704         /* if there is an old rule occupying our place remove it */
2705         if (rule && (rule->sw_idx == sw_idx)) {
2706                 if (!input || (rule->filter.formatted.bkt_hash !=
2707                                input->filter.formatted.bkt_hash)) {
2708                         err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2709                                                                 &rule->filter,
2710                                                                 sw_idx);
2711                 }
2712
2713                 hlist_del(&rule->fdir_node);
2714                 kfree(rule);
2715                 adapter->fdir_filter_count--;
2716         }
2717
2718         /*
2719          * If no input this was a delete, err should be 0 if a rule was
2720          * successfully found and removed from the list else -EINVAL
2721          */
2722         if (!input)
2723                 return err;
2724
2725         /* initialize node and set software index */
2726         INIT_HLIST_NODE(&input->fdir_node);
2727
2728         /* add filter to the list */
2729         if (parent)
2730                 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2731         else
2732                 hlist_add_head(&input->fdir_node,
2733                                &adapter->fdir_filter_list);
2734
2735         /* update counts */
2736         adapter->fdir_filter_count++;
2737
2738         return 0;
2739 }
2740
2741 static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2742                                        u8 *flow_type)
2743 {
2744         switch (fsp->flow_type & ~FLOW_EXT) {
2745         case TCP_V4_FLOW:
2746                 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2747                 break;
2748         case UDP_V4_FLOW:
2749                 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2750                 break;
2751         case SCTP_V4_FLOW:
2752                 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2753                 break;
2754         case IP_USER_FLOW:
2755                 switch (fsp->h_u.usr_ip4_spec.proto) {
2756                 case IPPROTO_TCP:
2757                         *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2758                         break;
2759                 case IPPROTO_UDP:
2760                         *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2761                         break;
2762                 case IPPROTO_SCTP:
2763                         *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2764                         break;
2765                 case 0:
2766                         if (!fsp->m_u.usr_ip4_spec.proto) {
2767                                 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2768                                 break;
2769                         }
2770                         fallthrough;
2771                 default:
2772                         return 0;
2773                 }
2774                 break;
2775         default:
2776                 return 0;
2777         }
2778
2779         return 1;
2780 }
2781
2782 static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2783                                         struct ethtool_rxnfc *cmd)
2784 {
2785         struct ethtool_rx_flow_spec *fsp =
2786                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2787         struct ixgbe_hw *hw = &adapter->hw;
2788         struct ixgbe_fdir_filter *input;
2789         union ixgbe_atr_input mask;
2790         u8 queue;
2791         int err;
2792
2793         if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2794                 return -EOPNOTSUPP;
2795
2796         /* ring_cookie is a masked into a set of queues and ixgbe pools or
2797          * we use the drop index.
2798          */
2799         if (fsp->ring_cookie == RX_CLS_FLOW_DISC) {
2800                 queue = IXGBE_FDIR_DROP_QUEUE;
2801         } else {
2802                 u32 ring = ethtool_get_flow_spec_ring(fsp->ring_cookie);
2803                 u8 vf = ethtool_get_flow_spec_ring_vf(fsp->ring_cookie);
2804
2805                 if (!vf && (ring >= adapter->num_rx_queues))
2806                         return -EINVAL;
2807                 else if (vf &&
2808                          ((vf > adapter->num_vfs) ||
2809                            ring >= adapter->num_rx_queues_per_pool))
2810                         return -EINVAL;
2811
2812                 /* Map the ring onto the absolute queue index */
2813                 if (!vf)
2814                         queue = adapter->rx_ring[ring]->reg_idx;
2815                 else
2816                         queue = ((vf - 1) *
2817                                 adapter->num_rx_queues_per_pool) + ring;
2818         }
2819
2820         /* Don't allow indexes to exist outside of available space */
2821         if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2822                 e_err(drv, "Location out of range\n");
2823                 return -EINVAL;
2824         }
2825
2826         input = kzalloc(sizeof(*input), GFP_ATOMIC);
2827         if (!input)
2828                 return -ENOMEM;
2829
2830         memset(&mask, 0, sizeof(union ixgbe_atr_input));
2831
2832         /* set SW index */
2833         input->sw_idx = fsp->location;
2834
2835         /* record flow type */
2836         if (!ixgbe_flowspec_to_flow_type(fsp,
2837                                          &input->filter.formatted.flow_type)) {
2838                 e_err(drv, "Unrecognized flow type\n");
2839                 goto err_out;
2840         }
2841
2842         mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
2843                                    IXGBE_ATR_L4TYPE_MASK;
2844
2845         if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
2846                 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
2847
2848         /* Copy input into formatted structures */
2849         input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2850         mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
2851         input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2852         mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
2853         input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
2854         mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
2855         input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
2856         mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
2857
2858         if (fsp->flow_type & FLOW_EXT) {
2859                 input->filter.formatted.vm_pool =
2860                                 (unsigned char)ntohl(fsp->h_ext.data[1]);
2861                 mask.formatted.vm_pool =
2862                                 (unsigned char)ntohl(fsp->m_ext.data[1]);
2863                 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
2864                 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
2865                 input->filter.formatted.flex_bytes =
2866                                                 fsp->h_ext.vlan_etype;
2867                 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
2868         }
2869
2870         /* determine if we need to drop or route the packet */
2871         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2872                 input->action = IXGBE_FDIR_DROP_QUEUE;
2873         else
2874                 input->action = fsp->ring_cookie;
2875
2876         spin_lock(&adapter->fdir_perfect_lock);
2877
2878         if (hlist_empty(&adapter->fdir_filter_list)) {
2879                 /* save mask and program input mask into HW */
2880                 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
2881                 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
2882                 if (err) {
2883                         e_err(drv, "Error writing mask\n");
2884                         goto err_out_w_lock;
2885                 }
2886         } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
2887                 e_err(drv, "Only one mask supported per port\n");
2888                 goto err_out_w_lock;
2889         }
2890
2891         /* apply mask and compute/store hash */
2892         ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
2893
2894         /* program filters to filter memory */
2895         err = ixgbe_fdir_write_perfect_filter_82599(hw,
2896                                 &input->filter, input->sw_idx, queue);
2897         if (err)
2898                 goto err_out_w_lock;
2899
2900         ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
2901
2902         spin_unlock(&adapter->fdir_perfect_lock);
2903
2904         return err;
2905 err_out_w_lock:
2906         spin_unlock(&adapter->fdir_perfect_lock);
2907 err_out:
2908         kfree(input);
2909         return -EINVAL;
2910 }
2911
2912 static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2913                                         struct ethtool_rxnfc *cmd)
2914 {
2915         struct ethtool_rx_flow_spec *fsp =
2916                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2917         int err;
2918
2919         spin_lock(&adapter->fdir_perfect_lock);
2920         err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, fsp->location);
2921         spin_unlock(&adapter->fdir_perfect_lock);
2922
2923         return err;
2924 }
2925
2926 #define UDP_RSS_FLAGS (IXGBE_FLAG2_RSS_FIELD_IPV4_UDP | \
2927                        IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2928 static int ixgbe_set_rss_hash_opt(struct ixgbe_adapter *adapter,
2929                                   struct ethtool_rxnfc *nfc)
2930 {
2931         u32 flags2 = adapter->flags2;
2932
2933         /*
2934          * RSS does not support anything other than hashing
2935          * to queues on src and dst IPs and ports
2936          */
2937         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2938                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2939                 return -EINVAL;
2940
2941         switch (nfc->flow_type) {
2942         case TCP_V4_FLOW:
2943         case TCP_V6_FLOW:
2944                 if (!(nfc->data & RXH_IP_SRC) ||
2945                     !(nfc->data & RXH_IP_DST) ||
2946                     !(nfc->data & RXH_L4_B_0_1) ||
2947                     !(nfc->data & RXH_L4_B_2_3))
2948                         return -EINVAL;
2949                 break;
2950         case UDP_V4_FLOW:
2951                 if (!(nfc->data & RXH_IP_SRC) ||
2952                     !(nfc->data & RXH_IP_DST))
2953                         return -EINVAL;
2954                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2955                 case 0:
2956                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2957                         break;
2958                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2959                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2960                         break;
2961                 default:
2962                         return -EINVAL;
2963                 }
2964                 break;
2965         case UDP_V6_FLOW:
2966                 if (!(nfc->data & RXH_IP_SRC) ||
2967                     !(nfc->data & RXH_IP_DST))
2968                         return -EINVAL;
2969                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2970                 case 0:
2971                         flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2972                         break;
2973                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2974                         flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2975                         break;
2976                 default:
2977                         return -EINVAL;
2978                 }
2979                 break;
2980         case AH_ESP_V4_FLOW:
2981         case AH_V4_FLOW:
2982         case ESP_V4_FLOW:
2983         case SCTP_V4_FLOW:
2984         case AH_ESP_V6_FLOW:
2985         case AH_V6_FLOW:
2986         case ESP_V6_FLOW:
2987         case SCTP_V6_FLOW:
2988                 if (!(nfc->data & RXH_IP_SRC) ||
2989                     !(nfc->data & RXH_IP_DST) ||
2990                     (nfc->data & RXH_L4_B_0_1) ||
2991                     (nfc->data & RXH_L4_B_2_3))
2992                         return -EINVAL;
2993                 break;
2994         default:
2995                 return -EINVAL;
2996         }
2997
2998         /* if we changed something we need to update flags */
2999         if (flags2 != adapter->flags2) {
3000                 struct ixgbe_hw *hw = &adapter->hw;
3001                 u32 mrqc;
3002                 unsigned int pf_pool = adapter->num_vfs;
3003
3004                 if ((hw->mac.type >= ixgbe_mac_X550) &&
3005                     (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
3006                         mrqc = IXGBE_READ_REG(hw, IXGBE_PFVFMRQC(pf_pool));
3007                 else
3008                         mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
3009
3010                 if ((flags2 & UDP_RSS_FLAGS) &&
3011                     !(adapter->flags2 & UDP_RSS_FLAGS))
3012                         e_warn(drv, "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
3013
3014                 adapter->flags2 = flags2;
3015
3016                 /* Perform hash on these packet types */
3017                 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4
3018                       | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
3019                       | IXGBE_MRQC_RSS_FIELD_IPV6
3020                       | IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
3021
3022                 mrqc &= ~(IXGBE_MRQC_RSS_FIELD_IPV4_UDP |
3023                           IXGBE_MRQC_RSS_FIELD_IPV6_UDP);
3024
3025                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
3026                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
3027
3028                 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
3029                         mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
3030
3031                 if ((hw->mac.type >= ixgbe_mac_X550) &&
3032                     (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
3033                         IXGBE_WRITE_REG(hw, IXGBE_PFVFMRQC(pf_pool), mrqc);
3034                 else
3035                         IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
3036         }
3037
3038         return 0;
3039 }
3040
3041 static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
3042 {
3043         struct ixgbe_adapter *adapter = netdev_priv(dev);
3044         int ret = -EOPNOTSUPP;
3045
3046         switch (cmd->cmd) {
3047         case ETHTOOL_SRXCLSRLINS:
3048                 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
3049                 break;
3050         case ETHTOOL_SRXCLSRLDEL:
3051                 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
3052                 break;
3053         case ETHTOOL_SRXFH:
3054                 ret = ixgbe_set_rss_hash_opt(adapter, cmd);
3055                 break;
3056         default:
3057                 break;
3058         }
3059
3060         return ret;
3061 }
3062
3063 static u32 ixgbe_get_rxfh_key_size(struct net_device *netdev)
3064 {
3065         return IXGBE_RSS_KEY_SIZE;
3066 }
3067
3068 static u32 ixgbe_rss_indir_size(struct net_device *netdev)
3069 {
3070         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3071
3072         return ixgbe_rss_indir_tbl_entries(adapter);
3073 }
3074
3075 static void ixgbe_get_reta(struct ixgbe_adapter *adapter, u32 *indir)
3076 {
3077         int i, reta_size = ixgbe_rss_indir_tbl_entries(adapter);
3078         u16 rss_m = adapter->ring_feature[RING_F_RSS].mask;
3079
3080         if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
3081                 rss_m = adapter->ring_feature[RING_F_RSS].indices - 1;
3082
3083         for (i = 0; i < reta_size; i++)
3084                 indir[i] = adapter->rss_indir_tbl[i] & rss_m;
3085 }
3086
3087 static int ixgbe_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
3088                           u8 *hfunc)
3089 {
3090         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3091
3092         if (hfunc)
3093                 *hfunc = ETH_RSS_HASH_TOP;
3094
3095         if (indir)
3096                 ixgbe_get_reta(adapter, indir);
3097
3098         if (key)
3099                 memcpy(key, adapter->rss_key, ixgbe_get_rxfh_key_size(netdev));
3100
3101         return 0;
3102 }
3103
3104 static int ixgbe_set_rxfh(struct net_device *netdev, const u32 *indir,
3105                           const u8 *key, const u8 hfunc)
3106 {
3107         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3108         int i;
3109         u32 reta_entries = ixgbe_rss_indir_tbl_entries(adapter);
3110
3111         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
3112                 return -EOPNOTSUPP;
3113
3114         /* Fill out the redirection table */
3115         if (indir) {
3116                 int max_queues = min_t(int, adapter->num_rx_queues,
3117                                        ixgbe_rss_indir_tbl_max(adapter));
3118
3119                 /*Allow at least 2 queues w/ SR-IOV.*/
3120                 if ((adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) &&
3121                     (max_queues < 2))
3122                         max_queues = 2;
3123
3124                 /* Verify user input. */
3125                 for (i = 0; i < reta_entries; i++)
3126                         if (indir[i] >= max_queues)
3127                                 return -EINVAL;
3128
3129                 for (i = 0; i < reta_entries; i++)
3130                         adapter->rss_indir_tbl[i] = indir[i];
3131
3132                 ixgbe_store_reta(adapter);
3133         }
3134
3135         /* Fill out the rss hash key */
3136         if (key) {
3137                 memcpy(adapter->rss_key, key, ixgbe_get_rxfh_key_size(netdev));
3138                 ixgbe_store_key(adapter);
3139         }
3140
3141         return 0;
3142 }
3143
3144 static int ixgbe_get_ts_info(struct net_device *dev,
3145                              struct ethtool_ts_info *info)
3146 {
3147         struct ixgbe_adapter *adapter = netdev_priv(dev);
3148
3149         /* we always support timestamping disabled */
3150         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE);
3151
3152         switch (adapter->hw.mac.type) {
3153         case ixgbe_mac_X550:
3154         case ixgbe_mac_X550EM_x:
3155         case ixgbe_mac_x550em_a:
3156                 info->rx_filters |= BIT(HWTSTAMP_FILTER_ALL);
3157                 break;
3158         case ixgbe_mac_X540:
3159         case ixgbe_mac_82599EB:
3160                 info->rx_filters |=
3161                         BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
3162                         BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
3163                         BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
3164                 break;
3165         default:
3166                 return ethtool_op_get_ts_info(dev, info);
3167         }
3168
3169         info->so_timestamping =
3170                 SOF_TIMESTAMPING_TX_SOFTWARE |
3171                 SOF_TIMESTAMPING_RX_SOFTWARE |
3172                 SOF_TIMESTAMPING_SOFTWARE |
3173                 SOF_TIMESTAMPING_TX_HARDWARE |
3174                 SOF_TIMESTAMPING_RX_HARDWARE |
3175                 SOF_TIMESTAMPING_RAW_HARDWARE;
3176
3177         if (adapter->ptp_clock)
3178                 info->phc_index = ptp_clock_index(adapter->ptp_clock);
3179         else
3180                 info->phc_index = -1;
3181
3182         info->tx_types =
3183                 BIT(HWTSTAMP_TX_OFF) |
3184                 BIT(HWTSTAMP_TX_ON);
3185
3186         return 0;
3187 }
3188
3189 static unsigned int ixgbe_max_channels(struct ixgbe_adapter *adapter)
3190 {
3191         unsigned int max_combined;
3192         u8 tcs = adapter->hw_tcs;
3193
3194         if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
3195                 /* We only support one q_vector without MSI-X */
3196                 max_combined = 1;
3197         } else if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
3198                 /* Limit value based on the queue mask */
3199                 max_combined = adapter->ring_feature[RING_F_RSS].mask + 1;
3200         } else if (tcs > 1) {
3201                 /* For DCB report channels per traffic class */
3202                 if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
3203                         /* 8 TC w/ 4 queues per TC */
3204                         max_combined = 4;
3205                 } else if (tcs > 4) {
3206                         /* 8 TC w/ 8 queues per TC */
3207                         max_combined = 8;
3208                 } else {
3209                         /* 4 TC w/ 16 queues per TC */
3210                         max_combined = 16;
3211                 }
3212         } else if (adapter->atr_sample_rate) {
3213                 /* support up to 64 queues with ATR */
3214                 max_combined = IXGBE_MAX_FDIR_INDICES;
3215         } else {
3216                 /* support up to 16 queues with RSS */
3217                 max_combined = ixgbe_max_rss_indices(adapter);
3218         }
3219
3220         return min_t(int, max_combined, num_online_cpus());
3221 }
3222
3223 static void ixgbe_get_channels(struct net_device *dev,
3224                                struct ethtool_channels *ch)
3225 {
3226         struct ixgbe_adapter *adapter = netdev_priv(dev);
3227
3228         /* report maximum channels */
3229         ch->max_combined = ixgbe_max_channels(adapter);
3230
3231         /* report info for other vector */
3232         if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
3233                 ch->max_other = NON_Q_VECTORS;
3234                 ch->other_count = NON_Q_VECTORS;
3235         }
3236
3237         /* record RSS queues */
3238         ch->combined_count = adapter->ring_feature[RING_F_RSS].indices;
3239
3240         /* nothing else to report if RSS is disabled */
3241         if (ch->combined_count == 1)
3242                 return;
3243
3244         /* we do not support ATR queueing if SR-IOV is enabled */
3245         if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
3246                 return;
3247
3248         /* same thing goes for being DCB enabled */
3249         if (adapter->hw_tcs > 1)
3250                 return;
3251
3252         /* if ATR is disabled we can exit */
3253         if (!adapter->atr_sample_rate)
3254                 return;
3255
3256         /* report flow director queues as maximum channels */
3257         ch->combined_count = adapter->ring_feature[RING_F_FDIR].indices;
3258 }
3259
3260 static int ixgbe_set_channels(struct net_device *dev,
3261                               struct ethtool_channels *ch)
3262 {
3263         struct ixgbe_adapter *adapter = netdev_priv(dev);
3264         unsigned int count = ch->combined_count;
3265         u8 max_rss_indices = ixgbe_max_rss_indices(adapter);
3266
3267         /* verify they are not requesting separate vectors */
3268         if (!count || ch->rx_count || ch->tx_count)
3269                 return -EINVAL;
3270
3271         /* verify other_count has not changed */
3272         if (ch->other_count != NON_Q_VECTORS)
3273                 return -EINVAL;
3274
3275         /* verify the number of channels does not exceed hardware limits */
3276         if (count > ixgbe_max_channels(adapter))
3277                 return -EINVAL;
3278
3279         /* update feature limits from largest to smallest supported values */
3280         adapter->ring_feature[RING_F_FDIR].limit = count;
3281
3282         /* cap RSS limit */
3283         if (count > max_rss_indices)
3284                 count = max_rss_indices;
3285         adapter->ring_feature[RING_F_RSS].limit = count;
3286
3287 #ifdef IXGBE_FCOE
3288         /* cap FCoE limit at 8 */
3289         if (count > IXGBE_FCRETA_SIZE)
3290                 count = IXGBE_FCRETA_SIZE;
3291         adapter->ring_feature[RING_F_FCOE].limit = count;
3292
3293 #endif
3294         /* use setup TC to update any traffic class queue mapping */
3295         return ixgbe_setup_tc(dev, adapter->hw_tcs);
3296 }
3297
3298 static int ixgbe_get_module_info(struct net_device *dev,
3299                                        struct ethtool_modinfo *modinfo)
3300 {
3301         struct ixgbe_adapter *adapter = netdev_priv(dev);
3302         struct ixgbe_hw *hw = &adapter->hw;
3303         s32 status;
3304         u8 sff8472_rev, addr_mode;
3305         bool page_swap = false;
3306
3307         if (hw->phy.type == ixgbe_phy_fw)
3308                 return -ENXIO;
3309
3310         /* Check whether we support SFF-8472 or not */
3311         status = hw->phy.ops.read_i2c_eeprom(hw,
3312                                              IXGBE_SFF_SFF_8472_COMP,
3313                                              &sff8472_rev);
3314         if (status)
3315                 return -EIO;
3316
3317         /* addressing mode is not supported */
3318         status = hw->phy.ops.read_i2c_eeprom(hw,
3319                                              IXGBE_SFF_SFF_8472_SWAP,
3320                                              &addr_mode);
3321         if (status)
3322                 return -EIO;
3323
3324         if (addr_mode & IXGBE_SFF_ADDRESSING_MODE) {
3325                 e_err(drv, "Address change required to access page 0xA2, but not supported. Please report the module type to the driver maintainers.\n");
3326                 page_swap = true;
3327         }
3328
3329         if (sff8472_rev == IXGBE_SFF_SFF_8472_UNSUP || page_swap ||
3330             !(addr_mode & IXGBE_SFF_DDM_IMPLEMENTED)) {
3331                 /* We have a SFP, but it does not support SFF-8472 */
3332                 modinfo->type = ETH_MODULE_SFF_8079;
3333                 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3334         } else {
3335                 /* We have a SFP which supports a revision of SFF-8472. */
3336                 modinfo->type = ETH_MODULE_SFF_8472;
3337                 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3338         }
3339
3340         return 0;
3341 }
3342
3343 static int ixgbe_get_module_eeprom(struct net_device *dev,
3344                                          struct ethtool_eeprom *ee,
3345                                          u8 *data)
3346 {
3347         struct ixgbe_adapter *adapter = netdev_priv(dev);
3348         struct ixgbe_hw *hw = &adapter->hw;
3349         s32 status = -EFAULT;
3350         u8 databyte = 0xFF;
3351         int i = 0;
3352
3353         if (ee->len == 0)
3354                 return -EINVAL;
3355
3356         if (hw->phy.type == ixgbe_phy_fw)
3357                 return -ENXIO;
3358
3359         for (i = ee->offset; i < ee->offset + ee->len; i++) {
3360                 /* I2C reads can take long time */
3361                 if (test_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
3362                         return -EBUSY;
3363
3364                 if (i < ETH_MODULE_SFF_8079_LEN)
3365                         status = hw->phy.ops.read_i2c_eeprom(hw, i, &databyte);
3366                 else
3367                         status = hw->phy.ops.read_i2c_sff8472(hw, i, &databyte);
3368
3369                 if (status)
3370                         return -EIO;
3371
3372                 data[i - ee->offset] = databyte;
3373         }
3374
3375         return 0;
3376 }
3377
3378 static const struct {
3379         ixgbe_link_speed mac_speed;
3380         u32 supported;
3381 } ixgbe_ls_map[] = {
3382         { IXGBE_LINK_SPEED_10_FULL, SUPPORTED_10baseT_Full },
3383         { IXGBE_LINK_SPEED_100_FULL, SUPPORTED_100baseT_Full },
3384         { IXGBE_LINK_SPEED_1GB_FULL, SUPPORTED_1000baseT_Full },
3385         { IXGBE_LINK_SPEED_2_5GB_FULL, SUPPORTED_2500baseX_Full },
3386         { IXGBE_LINK_SPEED_10GB_FULL, SUPPORTED_10000baseT_Full },
3387 };
3388
3389 static const struct {
3390         u32 lp_advertised;
3391         u32 mac_speed;
3392 } ixgbe_lp_map[] = {
3393         { FW_PHY_ACT_UD_2_100M_TX_EEE, SUPPORTED_100baseT_Full },
3394         { FW_PHY_ACT_UD_2_1G_T_EEE, SUPPORTED_1000baseT_Full },
3395         { FW_PHY_ACT_UD_2_10G_T_EEE, SUPPORTED_10000baseT_Full },
3396         { FW_PHY_ACT_UD_2_1G_KX_EEE, SUPPORTED_1000baseKX_Full },
3397         { FW_PHY_ACT_UD_2_10G_KX4_EEE, SUPPORTED_10000baseKX4_Full },
3398         { FW_PHY_ACT_UD_2_10G_KR_EEE, SUPPORTED_10000baseKR_Full},
3399 };
3400
3401 static int
3402 ixgbe_get_eee_fw(struct ixgbe_adapter *adapter, struct ethtool_eee *edata)
3403 {
3404         u32 info[FW_PHY_ACT_DATA_COUNT] = { 0 };
3405         struct ixgbe_hw *hw = &adapter->hw;
3406         s32 rc;
3407         u16 i;
3408
3409         rc = ixgbe_fw_phy_activity(hw, FW_PHY_ACT_UD_2, &info);
3410         if (rc)
3411                 return rc;
3412
3413         edata->lp_advertised = 0;
3414         for (i = 0; i < ARRAY_SIZE(ixgbe_lp_map); ++i) {
3415                 if (info[0] & ixgbe_lp_map[i].lp_advertised)
3416                         edata->lp_advertised |= ixgbe_lp_map[i].mac_speed;
3417         }
3418
3419         edata->supported = 0;
3420         for (i = 0; i < ARRAY_SIZE(ixgbe_ls_map); ++i) {
3421                 if (hw->phy.eee_speeds_supported & ixgbe_ls_map[i].mac_speed)
3422                         edata->supported |= ixgbe_ls_map[i].supported;
3423         }
3424
3425         edata->advertised = 0;
3426         for (i = 0; i < ARRAY_SIZE(ixgbe_ls_map); ++i) {
3427                 if (hw->phy.eee_speeds_advertised & ixgbe_ls_map[i].mac_speed)
3428                         edata->advertised |= ixgbe_ls_map[i].supported;
3429         }
3430
3431         edata->eee_enabled = !!edata->advertised;
3432         edata->tx_lpi_enabled = edata->eee_enabled;
3433         if (edata->advertised & edata->lp_advertised)
3434                 edata->eee_active = true;
3435
3436         return 0;
3437 }
3438
3439 static int ixgbe_get_eee(struct net_device *netdev, struct ethtool_eee *edata)
3440 {
3441         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3442         struct ixgbe_hw *hw = &adapter->hw;
3443
3444         if (!(adapter->flags2 & IXGBE_FLAG2_EEE_CAPABLE))
3445                 return -EOPNOTSUPP;
3446
3447         if (hw->phy.eee_speeds_supported && hw->phy.type == ixgbe_phy_fw)
3448                 return ixgbe_get_eee_fw(adapter, edata);
3449
3450         return -EOPNOTSUPP;
3451 }
3452
3453 static int ixgbe_set_eee(struct net_device *netdev, struct ethtool_eee *edata)
3454 {
3455         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3456         struct ixgbe_hw *hw = &adapter->hw;
3457         struct ethtool_eee eee_data;
3458         s32 ret_val;
3459
3460         if (!(adapter->flags2 & IXGBE_FLAG2_EEE_CAPABLE))
3461                 return -EOPNOTSUPP;
3462
3463         memset(&eee_data, 0, sizeof(struct ethtool_eee));
3464
3465         ret_val = ixgbe_get_eee(netdev, &eee_data);
3466         if (ret_val)
3467                 return ret_val;
3468
3469         if (eee_data.eee_enabled && !edata->eee_enabled) {
3470                 if (eee_data.tx_lpi_enabled != edata->tx_lpi_enabled) {
3471                         e_err(drv, "Setting EEE tx-lpi is not supported\n");
3472                         return -EINVAL;
3473                 }
3474
3475                 if (eee_data.tx_lpi_timer != edata->tx_lpi_timer) {
3476                         e_err(drv,
3477                               "Setting EEE Tx LPI timer is not supported\n");
3478                         return -EINVAL;
3479                 }
3480
3481                 if (eee_data.advertised != edata->advertised) {
3482                         e_err(drv,
3483                               "Setting EEE advertised speeds is not supported\n");
3484                         return -EINVAL;
3485                 }
3486         }
3487
3488         if (eee_data.eee_enabled != edata->eee_enabled) {
3489                 if (edata->eee_enabled) {
3490                         adapter->flags2 |= IXGBE_FLAG2_EEE_ENABLED;
3491                         hw->phy.eee_speeds_advertised =
3492                                                    hw->phy.eee_speeds_supported;
3493                 } else {
3494                         adapter->flags2 &= ~IXGBE_FLAG2_EEE_ENABLED;
3495                         hw->phy.eee_speeds_advertised = 0;
3496                 }
3497
3498                 /* reset link */
3499                 if (netif_running(netdev))
3500                         ixgbe_reinit_locked(adapter);
3501                 else
3502                         ixgbe_reset(adapter);
3503         }
3504
3505         return 0;
3506 }
3507
3508 static u32 ixgbe_get_priv_flags(struct net_device *netdev)
3509 {
3510         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3511         u32 priv_flags = 0;
3512
3513         if (adapter->flags2 & IXGBE_FLAG2_RX_LEGACY)
3514                 priv_flags |= IXGBE_PRIV_FLAGS_LEGACY_RX;
3515
3516         if (adapter->flags2 & IXGBE_FLAG2_VF_IPSEC_ENABLED)
3517                 priv_flags |= IXGBE_PRIV_FLAGS_VF_IPSEC_EN;
3518
3519         return priv_flags;
3520 }
3521
3522 static int ixgbe_set_priv_flags(struct net_device *netdev, u32 priv_flags)
3523 {
3524         struct ixgbe_adapter *adapter = netdev_priv(netdev);
3525         unsigned int flags2 = adapter->flags2;
3526
3527         flags2 &= ~IXGBE_FLAG2_RX_LEGACY;
3528         if (priv_flags & IXGBE_PRIV_FLAGS_LEGACY_RX)
3529                 flags2 |= IXGBE_FLAG2_RX_LEGACY;
3530
3531         flags2 &= ~IXGBE_FLAG2_VF_IPSEC_ENABLED;
3532         if (priv_flags & IXGBE_PRIV_FLAGS_VF_IPSEC_EN)
3533                 flags2 |= IXGBE_FLAG2_VF_IPSEC_ENABLED;
3534
3535         if (flags2 != adapter->flags2) {
3536                 adapter->flags2 = flags2;
3537
3538                 /* reset interface to repopulate queues */
3539                 if (netif_running(netdev))
3540                         ixgbe_reinit_locked(adapter);
3541         }
3542
3543         return 0;
3544 }
3545
3546 static const struct ethtool_ops ixgbe_ethtool_ops = {
3547         .supported_coalesce_params = ETHTOOL_COALESCE_USECS,
3548         .get_drvinfo            = ixgbe_get_drvinfo,
3549         .get_regs_len           = ixgbe_get_regs_len,
3550         .get_regs               = ixgbe_get_regs,
3551         .get_wol                = ixgbe_get_wol,
3552         .set_wol                = ixgbe_set_wol,
3553         .nway_reset             = ixgbe_nway_reset,
3554         .get_link               = ethtool_op_get_link,
3555         .get_eeprom_len         = ixgbe_get_eeprom_len,
3556         .get_eeprom             = ixgbe_get_eeprom,
3557         .set_eeprom             = ixgbe_set_eeprom,
3558         .get_ringparam          = ixgbe_get_ringparam,
3559         .set_ringparam          = ixgbe_set_ringparam,
3560         .get_pause_stats        = ixgbe_get_pause_stats,
3561         .get_pauseparam         = ixgbe_get_pauseparam,
3562         .set_pauseparam         = ixgbe_set_pauseparam,
3563         .get_msglevel           = ixgbe_get_msglevel,
3564         .set_msglevel           = ixgbe_set_msglevel,
3565         .self_test              = ixgbe_diag_test,
3566         .get_strings            = ixgbe_get_strings,
3567         .set_phys_id            = ixgbe_set_phys_id,
3568         .get_sset_count         = ixgbe_get_sset_count,
3569         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
3570         .get_coalesce           = ixgbe_get_coalesce,
3571         .set_coalesce           = ixgbe_set_coalesce,
3572         .get_rxnfc              = ixgbe_get_rxnfc,
3573         .set_rxnfc              = ixgbe_set_rxnfc,
3574         .get_rxfh_indir_size    = ixgbe_rss_indir_size,
3575         .get_rxfh_key_size      = ixgbe_get_rxfh_key_size,
3576         .get_rxfh               = ixgbe_get_rxfh,
3577         .set_rxfh               = ixgbe_set_rxfh,
3578         .get_eee                = ixgbe_get_eee,
3579         .set_eee                = ixgbe_set_eee,
3580         .get_channels           = ixgbe_get_channels,
3581         .set_channels           = ixgbe_set_channels,
3582         .get_priv_flags         = ixgbe_get_priv_flags,
3583         .set_priv_flags         = ixgbe_set_priv_flags,
3584         .get_ts_info            = ixgbe_get_ts_info,
3585         .get_module_info        = ixgbe_get_module_info,
3586         .get_module_eeprom      = ixgbe_get_module_eeprom,
3587         .get_link_ksettings     = ixgbe_get_link_ksettings,
3588         .set_link_ksettings     = ixgbe_set_link_ksettings,
3589 };
3590
3591 void ixgbe_set_ethtool_ops(struct net_device *netdev)
3592 {
3593         netdev->ethtool_ops = &ixgbe_ethtool_ops;
3594 }