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Merge tag 'master-2014-11-25' of git://git.kernel.org/pub/scm/linux/kernel/git/linvil...
[deliverable/linux.git] / drivers / net / ethernet / intel / ixgbe / ixgbe_ethtool.c
CommitLineData
9a799d71
AK		 1/*******************************************************************************
2
3 Intel 10 Gigabit PCI Express Linux driver
0edd2bdf 4 Copyright(c) 1999 - 2014 Intel Corporation.
9a799d71
AK		 5
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
9
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 more details.
14
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
18
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
21
22 Contact Information:
b89aae71 23 Linux NICS <linux.nics@intel.com>
9a799d71
AK		 24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
26
27*******************************************************************************/
28
29/* ethtool support for ixgbe */
30
a6b7a407 31#include <linux/interrupt.h>
9a799d71
AK		 32#include <linux/types.h>
33#include <linux/module.h>
5a0e3ad6 34#include <linux/slab.h>
9a799d71
AK		 35#include <linux/pci.h>
36#include <linux/netdevice.h>
37#include <linux/ethtool.h>
38#include <linux/vmalloc.h>
f800326d 39#include <linux/highmem.h>
9a799d71
AK		 40#include <linux/uaccess.h>
41
42#include "ixgbe.h"
71858acb 43#include "ixgbe_phy.h"
9a799d71
AK		 44
45
46#define IXGBE_ALL_RAR_ENTRIES 16
47
29c3a050
AK		 48enum {NETDEV_STATS, IXGBE_STATS};
49
9a799d71
AK		 50struct ixgbe_stats {
51 char stat_string[ETH_GSTRING_LEN];
29c3a050 52 int type;
9a799d71
AK		 53 int sizeof_stat;
54 int stat_offset;
55};
56
29c3a050
AK		 57#define IXGBE_STAT(m) IXGBE_STATS, \
58 sizeof(((struct ixgbe_adapter *)0)->m), \
59 offsetof(struct ixgbe_adapter, m)
60#define IXGBE_NETDEV_STAT(m) NETDEV_STATS, \
55bad823
ED		 61 sizeof(((struct rtnl_link_stats64 *)0)->m), \
62 offsetof(struct rtnl_link_stats64, m)
29c3a050 63
1bba2e81 64static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
55bad823
ED		 65 {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
66 {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
67 {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
68 {"tx_bytes", IXGBE_NETDEV_STAT(tx_bytes)},
aad71918
BG		 69 {"rx_pkts_nic", IXGBE_STAT(stats.gprc)},
70 {"tx_pkts_nic", IXGBE_STAT(stats.gptc)},
71 {"rx_bytes_nic", IXGBE_STAT(stats.gorc)},
72 {"tx_bytes_nic", IXGBE_STAT(stats.gotc)},
9a799d71
AK		 73 {"lsc_int", IXGBE_STAT(lsc_int)},
74 {"tx_busy", IXGBE_STAT(tx_busy)},
75 {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
55bad823
ED		 76 {"rx_errors", IXGBE_NETDEV_STAT(rx_errors)},
77 {"tx_errors", IXGBE_NETDEV_STAT(tx_errors)},
78 {"rx_dropped", IXGBE_NETDEV_STAT(rx_dropped)},
79 {"tx_dropped", IXGBE_NETDEV_STAT(tx_dropped)},
80 {"multicast", IXGBE_NETDEV_STAT(multicast)},
9a799d71
AK		 81 {"broadcast", IXGBE_STAT(stats.bprc)},
82 {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
55bad823
ED		 83 {"collisions", IXGBE_NETDEV_STAT(collisions)},
84 {"rx_over_errors", IXGBE_NETDEV_STAT(rx_over_errors)},
85 {"rx_crc_errors", IXGBE_NETDEV_STAT(rx_crc_errors)},
86 {"rx_frame_errors", IXGBE_NETDEV_STAT(rx_frame_errors)},
94b982b2
MC		 87 {"hw_rsc_aggregated", IXGBE_STAT(rsc_total_count)},
88 {"hw_rsc_flushed", IXGBE_STAT(rsc_total_flush)},
c4cf55e5
PWJ		 89 {"fdir_match", IXGBE_STAT(stats.fdirmatch)},
90 {"fdir_miss", IXGBE_STAT(stats.fdirmiss)},
d034acf1 91 {"fdir_overflow", IXGBE_STAT(fdir_overflow)},
55bad823
ED		 92 {"rx_fifo_errors", IXGBE_NETDEV_STAT(rx_fifo_errors)},
93 {"rx_missed_errors", IXGBE_NETDEV_STAT(rx_missed_errors)},
94 {"tx_aborted_errors", IXGBE_NETDEV_STAT(tx_aborted_errors)},
95 {"tx_carrier_errors", IXGBE_NETDEV_STAT(tx_carrier_errors)},
96 {"tx_fifo_errors", IXGBE_NETDEV_STAT(tx_fifo_errors)},
97 {"tx_heartbeat_errors", IXGBE_NETDEV_STAT(tx_heartbeat_errors)},
9a799d71
AK		 98 {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
99 {"tx_restart_queue", IXGBE_STAT(restart_queue)},
100 {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
101 {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
9a799d71
AK		 102 {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
103 {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
104 {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
105 {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
9a799d71 106 {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
9a799d71
AK		 107 {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
108 {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
e8e26350 109 {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
58f6bcf9
ET		 110 {"os2bmc_rx_by_bmc", IXGBE_STAT(stats.o2bgptc)},
111 {"os2bmc_tx_by_bmc", IXGBE_STAT(stats.b2ospc)},
112 {"os2bmc_tx_by_host", IXGBE_STAT(stats.o2bspc)},
113 {"os2bmc_rx_by_host", IXGBE_STAT(stats.b2ogprc)},
6d45522c
YZ		 114#ifdef IXGBE_FCOE
115 {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
116 {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
117 {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
118 {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
7b859ebc
AH		 119 {"fcoe_noddp", IXGBE_STAT(stats.fcoe_noddp)},
120 {"fcoe_noddp_ext_buff", IXGBE_STAT(stats.fcoe_noddp_ext_buff)},
6d45522c
YZ		 121 {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
122 {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
123#endif /* IXGBE_FCOE */
9a799d71
AK		 124};
125
9cc00b51
JF		 126/* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so
127 * we set the num_rx_queues to evaluate to num_tx_queues. This is
128 * used because we do not have a good way to get the max number of
129 * rx queues with CONFIG_RPS disabled.
130 */
131#define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues
132
133#define IXGBE_QUEUE_STATS_LEN ( \
134 (netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \
454d7c9b 135 (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
b4617240 136#define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
2f90b865 137#define IXGBE_PB_STATS_LEN ( \
9cc00b51
JF		 138 (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
139 sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
140 sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
141 sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
142 / sizeof(u64))
2f90b865 143#define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
e7cf745b
JK		 144 IXGBE_PB_STATS_LEN + \
145 IXGBE_QUEUE_STATS_LEN)
9a799d71 146
da4dd0f7
PWJ		 147static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = {
148 "Register test (offline)", "Eeprom test (offline)",
149 "Interrupt test (offline)", "Loopback test (offline)",
150 "Link test (on/offline)"
151};
152#define IXGBE_TEST_LEN sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN
153
9a799d71 154static int ixgbe_get_settings(struct net_device *netdev,
e7cf745b 155 struct ethtool_cmd *ecmd)
9a799d71
AK		 156{
157 struct ixgbe_adapter *adapter = netdev_priv(netdev);
735441fb 158 struct ixgbe_hw *hw = &adapter->hw;
db018963 159 ixgbe_link_speed supported_link;
735441fb 160 u32 link_speed = 0;
fd0326f2 161 bool autoneg = false;
735441fb 162 bool link_up;
9a799d71 163
db018963 164 hw->mac.ops.get_link_capabilities(hw, &supported_link, &autoneg);
1b1c0a48 165
db018963
JK		 166 /* set the supported link speeds */
167 if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
168 ecmd->supported |= SUPPORTED_10000baseT_Full;
169 if (supported_link & IXGBE_LINK_SPEED_1GB_FULL)
170 ecmd->supported |= SUPPORTED_1000baseT_Full;
171 if (supported_link & IXGBE_LINK_SPEED_100_FULL)
172 ecmd->supported |= SUPPORTED_100baseT_Full;
1b1c0a48 173
db018963
JK		 174 /* set the advertised speeds */
175 if (hw->phy.autoneg_advertised) {
176 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_100_FULL)
177 ecmd->advertising |= ADVERTISED_100baseT_Full;
178 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
179 ecmd->advertising |= ADVERTISED_10000baseT_Full;
180 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
181 ecmd->advertising |= ADVERTISED_1000baseT_Full;
735441fb 182 } else {
db018963
JK		 183 /* default modes in case phy.autoneg_advertised isn't set */
184 if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
185 ecmd->advertising |= ADVERTISED_10000baseT_Full;
186 if (supported_link & IXGBE_LINK_SPEED_1GB_FULL)
187 ecmd->advertising |= ADVERTISED_1000baseT_Full;
188 if (supported_link & IXGBE_LINK_SPEED_100_FULL)
189 ecmd->advertising |= ADVERTISED_100baseT_Full;
ed33ff66
ET		 190
191 if (hw->phy.multispeed_fiber && !autoneg) {
192 if (supported_link & IXGBE_LINK_SPEED_10GB_FULL)
193 ecmd->advertising = ADVERTISED_10000baseT_Full;
194 }
735441fb 195 }
9a799d71 196
db018963
JK		 197 if (autoneg) {
198 ecmd->supported |= SUPPORTED_Autoneg;
199 ecmd->advertising |= ADVERTISED_Autoneg;
200 ecmd->autoneg = AUTONEG_ENABLE;
201 } else
202 ecmd->autoneg = AUTONEG_DISABLE;
203
204 ecmd->transceiver = XCVR_EXTERNAL;
205
206 /* Determine the remaining settings based on the PHY type. */
3b8626ba
PW		 207 switch (adapter->hw.phy.type) {
208 case ixgbe_phy_tn:
fe15e8e1 209 case ixgbe_phy_aq:
3b8626ba 210 case ixgbe_phy_cu_unknown:
db018963
JK		 211 ecmd->supported |= SUPPORTED_TP;
212 ecmd->advertising |= ADVERTISED_TP;
3b8626ba
PW		 213 ecmd->port = PORT_TP;
214 break;
215 case ixgbe_phy_qt:
db018963
JK		 216 ecmd->supported |= SUPPORTED_FIBRE;
217 ecmd->advertising |= ADVERTISED_FIBRE;
3b8626ba
PW		 218 ecmd->port = PORT_FIBRE;
219 break;
220 case ixgbe_phy_nl:
ea0a04df
DS		 221 case ixgbe_phy_sfp_passive_tyco:
222 case ixgbe_phy_sfp_passive_unknown:
3b8626ba
PW		 223 case ixgbe_phy_sfp_ftl:
224 case ixgbe_phy_sfp_avago:
225 case ixgbe_phy_sfp_intel:
226 case ixgbe_phy_sfp_unknown:
3b8626ba 227 /* SFP+ devices, further checking needed */
db018963 228 switch (adapter->hw.phy.sfp_type) {
3b8626ba
PW		 229 case ixgbe_sfp_type_da_cu:
230 case ixgbe_sfp_type_da_cu_core0:
231 case ixgbe_sfp_type_da_cu_core1:
db018963
JK		 232 ecmd->supported |= SUPPORTED_FIBRE;
233 ecmd->advertising |= ADVERTISED_FIBRE;
3b8626ba
PW		 234 ecmd->port = PORT_DA;
235 break;
236 case ixgbe_sfp_type_sr:
237 case ixgbe_sfp_type_lr:
238 case ixgbe_sfp_type_srlr_core0:
239 case ixgbe_sfp_type_srlr_core1:
345be204
DS		 240 case ixgbe_sfp_type_1g_sx_core0:
241 case ixgbe_sfp_type_1g_sx_core1:
242 case ixgbe_sfp_type_1g_lx_core0:
243 case ixgbe_sfp_type_1g_lx_core1:
db018963
JK		 244 ecmd->supported |= SUPPORTED_FIBRE;
245 ecmd->advertising |= ADVERTISED_FIBRE;
3b8626ba
PW		 246 ecmd->port = PORT_FIBRE;
247 break;
248 case ixgbe_sfp_type_not_present:
db018963
JK		 249 ecmd->supported |= SUPPORTED_FIBRE;
250 ecmd->advertising |= ADVERTISED_FIBRE;
3b8626ba
PW		 251 ecmd->port = PORT_NONE;
252 break;
cb836a97
DS		 253 case ixgbe_sfp_type_1g_cu_core0:
254 case ixgbe_sfp_type_1g_cu_core1:
db018963
JK		 255 ecmd->supported |= SUPPORTED_TP;
256 ecmd->advertising |= ADVERTISED_TP;
cb836a97 257 ecmd->port = PORT_TP;
db018963 258 break;
3b8626ba
PW		 259 case ixgbe_sfp_type_unknown:
260 default:
db018963
JK		 261 ecmd->supported |= SUPPORTED_FIBRE;
262 ecmd->advertising |= ADVERTISED_FIBRE;
3b8626ba
PW		 263 ecmd->port = PORT_OTHER;
264 break;
265 }
266 break;
267 case ixgbe_phy_xaui:
db018963
JK		 268 ecmd->supported |= SUPPORTED_FIBRE;
269 ecmd->advertising |= ADVERTISED_FIBRE;
3b8626ba
PW		 270 ecmd->port = PORT_NONE;
271 break;
272 case ixgbe_phy_unknown:
273 case ixgbe_phy_generic:
274 case ixgbe_phy_sfp_unsupported:
275 default:
db018963
JK		 276 ecmd->supported |= SUPPORTED_FIBRE;
277 ecmd->advertising |= ADVERTISED_FIBRE;
3b8626ba
PW		 278 ecmd->port = PORT_OTHER;
279 break;
280 }
281
c44ade9e 282 hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
735441fb 283 if (link_up) {
1b1c0a48
AS		 284 switch (link_speed) {
285 case IXGBE_LINK_SPEED_10GB_FULL:
70739497 286 ethtool_cmd_speed_set(ecmd, SPEED_10000);
1b1c0a48
AS		 287 break;
288 case IXGBE_LINK_SPEED_1GB_FULL:
70739497 289 ethtool_cmd_speed_set(ecmd, SPEED_1000);
1b1c0a48
AS		 290 break;
291 case IXGBE_LINK_SPEED_100_FULL:
70739497 292 ethtool_cmd_speed_set(ecmd, SPEED_100);
1b1c0a48
AS		 293 break;
294 default:
295 break;
296 }
9a799d71
AK		 297 ecmd->duplex = DUPLEX_FULL;
298 } else {
537fae01
JP		 299 ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
300 ecmd->duplex = DUPLEX_UNKNOWN;
9a799d71
AK		 301 }
302
9a799d71
AK		 303 return 0;
304}
305
306static int ixgbe_set_settings(struct net_device *netdev,
e7cf745b 307 struct ethtool_cmd *ecmd)
9a799d71
AK		 308{
309 struct ixgbe_adapter *adapter = netdev_priv(netdev);
735441fb 310 struct ixgbe_hw *hw = &adapter->hw;
0befdb3e 311 u32 advertised, old;
74766013 312 s32 err = 0;
9a799d71 313
74766013 314 if ((hw->phy.media_type == ixgbe_media_type_copper) ||
a3801379 315 (hw->phy.multispeed_fiber)) {
abcc80d2
ET		 316 /*
317 * this function does not support duplex forcing, but can
318 * limit the advertising of the adapter to the specified speed
319 */
abcc80d2
ET		 320 if (ecmd->advertising & ~ecmd->supported)
321 return -EINVAL;
322
ed33ff66
ET		 323 /* only allow one speed at a time if no autoneg */
324 if (!ecmd->autoneg && hw->phy.multispeed_fiber) {
325 if (ecmd->advertising ==
326 (ADVERTISED_10000baseT_Full |
327 ADVERTISED_1000baseT_Full))
328 return -EINVAL;
329 }
330
0befdb3e
JB		 331 old = hw->phy.autoneg_advertised;
332 advertised = 0;
333 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
334 advertised |= IXGBE_LINK_SPEED_10GB_FULL;
335
336 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
337 advertised |= IXGBE_LINK_SPEED_1GB_FULL;
338
2b642ca5
ET		 339 if (ecmd->advertising & ADVERTISED_100baseT_Full)
340 advertised |= IXGBE_LINK_SPEED_100_FULL;
341
0befdb3e 342 if (old == advertised)
74766013 343 return err;
0befdb3e 344 /* this sets the link speed and restarts auto-neg */
e3215f0a
ET		 345 while (test_and_set_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
346 usleep_range(1000, 2000);
347
74766013 348 hw->mac.autotry_restart = true;
fd0326f2 349 err = hw->mac.ops.setup_link(hw, advertised, true);
0befdb3e 350 if (err) {
396e799c 351 e_info(probe, "setup link failed with code %d\n", err);
fd0326f2 352 hw->mac.ops.setup_link(hw, old, true);
0befdb3e 353 }
e3215f0a 354 clear_bit(__IXGBE_IN_SFP_INIT, &adapter->state);
74766013
MC		 355 } else {
356 /* in this case we currently only support 10Gb/FULL */
25db0338 357 u32 speed = ethtool_cmd_speed(ecmd);
74766013 358 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
a3801379 359 (ecmd->advertising != ADVERTISED_10000baseT_Full) ||
25db0338 360 (speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
74766013 361 return -EINVAL;
9a799d71
AK		 362 }
363
74766013 364 return err;
9a799d71
AK		 365}
366
367static void ixgbe_get_pauseparam(struct net_device *netdev,
e7cf745b 368 struct ethtool_pauseparam *pause)
9a799d71
AK		 369{
370 struct ixgbe_adapter *adapter = netdev_priv(netdev);
371 struct ixgbe_hw *hw = &adapter->hw;
372
73d80953
DS		 373 if (ixgbe_device_supports_autoneg_fc(hw) &&
374 !hw->fc.disable_fc_autoneg)
71fd570b 375 pause->autoneg = 1;
73d80953
DS		 376 else
377 pause->autoneg = 0;
9a799d71 378
0ecc061d 379 if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
9a799d71 380 pause->rx_pause = 1;
0ecc061d 381 } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
9a799d71 382 pause->tx_pause = 1;
0ecc061d 383 } else if (hw->fc.current_mode == ixgbe_fc_full) {
9a799d71
AK		 384 pause->rx_pause = 1;
385 pause->tx_pause = 1;
386 }
387}
388
389static int ixgbe_set_pauseparam(struct net_device *netdev,
e7cf745b 390 struct ethtool_pauseparam *pause)
9a799d71
AK		 391{
392 struct ixgbe_adapter *adapter = netdev_priv(netdev);
393 struct ixgbe_hw *hw = &adapter->hw;
943561d3 394 struct ixgbe_fc_info fc = hw->fc;
9a799d71 395
943561d3
AD		 396 /* 82598 does no support link flow control with DCB enabled */
397 if ((hw->mac.type == ixgbe_mac_82598EB) &&
398 (adapter->flags & IXGBE_FLAG_DCB_ENABLED))
264857b8
PWJ		 399 return -EINVAL;
400
db2adc2d
JK		 401 /* some devices do not support autoneg of link flow control */
402 if ((pause->autoneg == AUTONEG_ENABLE) &&
73d80953 403 !ixgbe_device_supports_autoneg_fc(hw))
db2adc2d
JK		 404 return -EINVAL;
405
943561d3 406 fc.disable_fc_autoneg = (pause->autoneg != AUTONEG_ENABLE);
71fd570b 407
1c4f0ef8 408 if ((pause->rx_pause && pause->tx_pause) || pause->autoneg)
620fa036 409 fc.requested_mode = ixgbe_fc_full;
9a799d71 410 else if (pause->rx_pause && !pause->tx_pause)
620fa036 411 fc.requested_mode = ixgbe_fc_rx_pause;
9a799d71 412 else if (!pause->rx_pause && pause->tx_pause)
620fa036 413 fc.requested_mode = ixgbe_fc_tx_pause;
9c83b070 414 else
943561d3 415 fc.requested_mode = ixgbe_fc_none;
620fa036
MC		 416
417 /* if the thing changed then we'll update and use new autoneg */
418 if (memcmp(&fc, &hw->fc, sizeof(struct ixgbe_fc_info))) {
419 hw->fc = fc;
420 if (netif_running(netdev))
421 ixgbe_reinit_locked(adapter);
422 else
423 ixgbe_reset(adapter);
424 }
9a799d71
AK		 425
426 return 0;
427}
428
9a799d71
AK		 429static u32 ixgbe_get_msglevel(struct net_device *netdev)
430{
431 struct ixgbe_adapter *adapter = netdev_priv(netdev);
432 return adapter->msg_enable;
433}
434
435static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
436{
437 struct ixgbe_adapter *adapter = netdev_priv(netdev);
438 adapter->msg_enable = data;
439}
440
441static int ixgbe_get_regs_len(struct net_device *netdev)
442{
51e409f1 443#define IXGBE_REGS_LEN 1139
9a799d71
AK		 444 return IXGBE_REGS_LEN * sizeof(u32);
445}
446
447#define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
448
449static void ixgbe_get_regs(struct net_device *netdev,
e7cf745b 450 struct ethtool_regs *regs, void *p)
9a799d71
AK		 451{
452 struct ixgbe_adapter *adapter = netdev_priv(netdev);
453 struct ixgbe_hw *hw = &adapter->hw;
454 u32 *regs_buff = p;
455 u8 i;
456
457 memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
458
c4a56de8
ET		 459 regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
460 hw->device_id;
9a799d71
AK		 461
462 /* General Registers */
463 regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
464 regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
465 regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
466 regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
467 regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
468 regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
469 regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
470 regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
471
472 /* NVM Register */
473 regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
474 regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
475 regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
476 regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
477 regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
478 regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
479 regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
480 regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
481 regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
482 regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
483
484 /* Interrupt */
98c00a1c
JB		 485 /* don't read EICR because it can clear interrupt causes, instead
486 * read EICS which is a shadow but doesn't clear EICR */
487 regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
9a799d71
AK		 488 regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
489 regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
490 regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
491 regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
492 regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
493 regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
494 regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
495 regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
496 regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
c44ade9e 497 regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
9a799d71
AK		 498 regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
499
500 /* Flow Control */
501 regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
502 regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
503 regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
504 regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
505 regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
bd508178
AD		 506 for (i = 0; i < 8; i++) {
507 switch (hw->mac.type) {
508 case ixgbe_mac_82598EB:
509 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
510 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
511 break;
512 case ixgbe_mac_82599EB:
80bb25e3 513 case ixgbe_mac_X540:
bd508178
AD		 514 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL_82599(i));
515 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH_82599(i));
516 break;
517 default:
518 break;
519 }
520 }
9a799d71
AK		 521 regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
522 regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
523
524 /* Receive DMA */
525 for (i = 0; i < 64; i++)
526 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
527 for (i = 0; i < 64; i++)
528 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
529 for (i = 0; i < 64; i++)
530 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
531 for (i = 0; i < 64; i++)
532 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
533 for (i = 0; i < 64; i++)
534 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
535 for (i = 0; i < 64; i++)
536 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
537 for (i = 0; i < 16; i++)
538 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
539 for (i = 0; i < 16; i++)
540 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
541 regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
542 for (i = 0; i < 8; i++)
543 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
544 regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
545 regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
546
547 /* Receive */
548 regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
549 regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
550 for (i = 0; i < 16; i++)
551 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
552 for (i = 0; i < 16; i++)
553 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
c44ade9e 554 regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
9a799d71
AK		 555 regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
556 regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
557 regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
558 regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
559 regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
560 for (i = 0; i < 8; i++)
561 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
562 for (i = 0; i < 8; i++)
563 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
564 regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
565
566 /* Transmit */
567 for (i = 0; i < 32; i++)
568 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
569 for (i = 0; i < 32; i++)
570 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
571 for (i = 0; i < 32; i++)
572 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
573 for (i = 0; i < 32; i++)
574 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
575 for (i = 0; i < 32; i++)
576 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
577 for (i = 0; i < 32; i++)
578 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
579 for (i = 0; i < 32; i++)
580 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
581 for (i = 0; i < 32; i++)
582 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
583 regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
584 for (i = 0; i < 16; i++)
585 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
586 regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
587 for (i = 0; i < 8; i++)
588 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
589 regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
590
591 /* Wake Up */
592 regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
593 regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
594 regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
595 regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
596 regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
597 regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
598 regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
599 regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
11afc1b1 600 regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
9a799d71 601
673ac604 602 /* DCB */
51e409f1
LP		 603 regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS); /* same as FCCFG */
604 regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS); /* same as RTTPCS */
605
606 switch (hw->mac.type) {
607 case ixgbe_mac_82598EB:
608 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
609 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
610 for (i = 0; i < 8; i++)
611 regs_buff[833 + i] =
612 IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
613 for (i = 0; i < 8; i++)
614 regs_buff[841 + i] =
615 IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
616 for (i = 0; i < 8; i++)
617 regs_buff[849 + i] =
618 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
619 for (i = 0; i < 8; i++)
620 regs_buff[857 + i] =
621 IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
622 break;
623 case ixgbe_mac_82599EB:
624 case ixgbe_mac_X540:
625 regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_RTTDCS);
626 regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RTRPCS);
627 for (i = 0; i < 8; i++)
628 regs_buff[833 + i] =
629 IXGBE_READ_REG(hw, IXGBE_RTRPT4C(i));
630 for (i = 0; i < 8; i++)
631 regs_buff[841 + i] =
632 IXGBE_READ_REG(hw, IXGBE_RTRPT4S(i));
633 for (i = 0; i < 8; i++)
634 regs_buff[849 + i] =
635 IXGBE_READ_REG(hw, IXGBE_RTTDT2C(i));
636 for (i = 0; i < 8; i++)
637 regs_buff[857 + i] =
638 IXGBE_READ_REG(hw, IXGBE_RTTDT2S(i));
639 break;
640 default:
641 break;
642 }
643
9a799d71 644 for (i = 0; i < 8; i++)
51e409f1
LP		 645 regs_buff[865 + i] =
646 IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i)); /* same as RTTPT2C */
9a799d71 647 for (i = 0; i < 8; i++)
51e409f1
LP		 648 regs_buff[873 + i] =
649 IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i)); /* same as RTTPT2S */
9a799d71
AK		 650
651 /* Statistics */
652 regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
653 regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
654 regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
655 regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
656 for (i = 0; i < 8; i++)
657 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
658 regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
659 regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
660 regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
661 regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
662 regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
663 regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
664 regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
665 for (i = 0; i < 8; i++)
666 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
667 for (i = 0; i < 8; i++)
668 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
669 for (i = 0; i < 8; i++)
670 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
671 for (i = 0; i < 8; i++)
672 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
673 regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
674 regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
675 regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
676 regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
677 regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
678 regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
679 regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
680 regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
681 regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
682 regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
683 regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
684 regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
685 for (i = 0; i < 8; i++)
686 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
687 regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
688 regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
689 regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
690 regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
691 regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
692 regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
693 regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
694 regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
695 regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
696 regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
697 regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
698 regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
699 regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
700 regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
701 regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
702 regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
703 regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
704 regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
705 regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
706 for (i = 0; i < 16; i++)
707 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
708 for (i = 0; i < 16; i++)
709 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
710 for (i = 0; i < 16; i++)
711 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
712 for (i = 0; i < 16; i++)
713 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
714
715 /* MAC */
716 regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
717 regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
718 regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
719 regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
720 regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
721 regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
722 regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
723 regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
724 regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
725 regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
726 regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
727 regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
728 regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
729 regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
730 regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
731 regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
732 regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
733 regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
734 regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
735 regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
736 regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
737 regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
738 regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
739 regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
740 regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
741 regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
742 regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
743 regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
744 regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
745 regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
746 regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
747 regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
748 regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
749
750 /* Diagnostic */
751 regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
752 for (i = 0; i < 8; i++)
98c00a1c 753 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
9a799d71 754 regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
98c00a1c
JB		 755 for (i = 0; i < 4; i++)
756 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
9a799d71
AK		 757 regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
758 regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
759 for (i = 0; i < 8; i++)
98c00a1c 760 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
9a799d71 761 regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
98c00a1c
JB		 762 for (i = 0; i < 4; i++)
763 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
9a799d71
AK		 764 regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
765 regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
766 regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
767 regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
768 regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
769 regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
770 regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
771 regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
772 regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
773 regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
774 regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
775 for (i = 0; i < 8; i++)
98c00a1c 776 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
9a799d71
AK		 777 regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
778 regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
779 regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
780 regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
781 regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
782 regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
783 regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
784 regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
785 regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
217995ec
ET		 786
787 /* 82599 X540 specific registers */
788 regs_buff[1128] = IXGBE_READ_REG(hw, IXGBE_MFLCN);
51e409f1
LP		 789
790 /* 82599 X540 specific DCB registers */
791 regs_buff[1129] = IXGBE_READ_REG(hw, IXGBE_RTRUP2TC);
792 regs_buff[1130] = IXGBE_READ_REG(hw, IXGBE_RTTUP2TC);
793 for (i = 0; i < 4; i++)
794 regs_buff[1131 + i] = IXGBE_READ_REG(hw, IXGBE_TXLLQ(i));
795 regs_buff[1135] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRM);
796 /* same as RTTQCNRM */
797 regs_buff[1136] = IXGBE_READ_REG(hw, IXGBE_RTTBCNRD);
798 /* same as RTTQCNRR */
799
800 /* X540 specific DCB registers */
801 regs_buff[1137] = IXGBE_READ_REG(hw, IXGBE_RTTQCNCR);
802 regs_buff[1138] = IXGBE_READ_REG(hw, IXGBE_RTTQCNTG);
9a799d71
AK		 803}
804
805static int ixgbe_get_eeprom_len(struct net_device *netdev)
806{
807 struct ixgbe_adapter *adapter = netdev_priv(netdev);
808 return adapter->hw.eeprom.word_size * 2;
809}
810
811static int ixgbe_get_eeprom(struct net_device *netdev,
e7cf745b 812 struct ethtool_eeprom *eeprom, u8 *bytes)
9a799d71
AK		 813{
814 struct ixgbe_adapter *adapter = netdev_priv(netdev);
815 struct ixgbe_hw *hw = &adapter->hw;
816 u16 *eeprom_buff;
817 int first_word, last_word, eeprom_len;
818 int ret_val = 0;
819 u16 i;
820
821 if (eeprom->len == 0)
822 return -EINVAL;
823
824 eeprom->magic = hw->vendor_id | (hw->device_id << 16);
825
826 first_word = eeprom->offset >> 1;
827 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
828 eeprom_len = last_word - first_word + 1;
829
830 eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
831 if (!eeprom_buff)
832 return -ENOMEM;
833
68c7005d
ET		 834 ret_val = hw->eeprom.ops.read_buffer(hw, first_word, eeprom_len,
835 eeprom_buff);
9a799d71
AK		 836
837 /* Device's eeprom is always little-endian, word addressable */
838 for (i = 0; i < eeprom_len; i++)
839 le16_to_cpus(&eeprom_buff[i]);
840
841 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
842 kfree(eeprom_buff);
843
844 return ret_val;
845}
846
2fa5eef4
ET		 847static int ixgbe_set_eeprom(struct net_device *netdev,
848 struct ethtool_eeprom *eeprom, u8 *bytes)
849{
850 struct ixgbe_adapter *adapter = netdev_priv(netdev);
851 struct ixgbe_hw *hw = &adapter->hw;
852 u16 *eeprom_buff;
853 void *ptr;
854 int max_len, first_word, last_word, ret_val = 0;
855 u16 i;
856
857 if (eeprom->len == 0)
858 return -EINVAL;
859
860 if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
861 return -EINVAL;
862
863 max_len = hw->eeprom.word_size * 2;
864
865 first_word = eeprom->offset >> 1;
866 last_word = (eeprom->offset + eeprom->len - 1) >> 1;
867 eeprom_buff = kmalloc(max_len, GFP_KERNEL);
868 if (!eeprom_buff)
869 return -ENOMEM;
870
871 ptr = eeprom_buff;
872
873 if (eeprom->offset & 1) {
874 /*
875 * need read/modify/write of first changed EEPROM word
876 * only the second byte of the word is being modified
877 */
878 ret_val = hw->eeprom.ops.read(hw, first_word, &eeprom_buff[0]);
879 if (ret_val)
880 goto err;
881
882 ptr++;
883 }
884 if ((eeprom->offset + eeprom->len) & 1) {
885 /*
886 * need read/modify/write of last changed EEPROM word
887 * only the first byte of the word is being modified
888 */
889 ret_val = hw->eeprom.ops.read(hw, last_word,
890 &eeprom_buff[last_word - first_word]);
891 if (ret_val)
892 goto err;
893 }
894
895 /* Device's eeprom is always little-endian, word addressable */
896 for (i = 0; i < last_word - first_word + 1; i++)
897 le16_to_cpus(&eeprom_buff[i]);
898
899 memcpy(ptr, bytes, eeprom->len);
900
901 for (i = 0; i < last_word - first_word + 1; i++)
902 cpu_to_le16s(&eeprom_buff[i]);
903
904 ret_val = hw->eeprom.ops.write_buffer(hw, first_word,
905 last_word - first_word + 1,
906 eeprom_buff);
907
908 /* Update the checksum */
909 if (ret_val == 0)
910 hw->eeprom.ops.update_checksum(hw);
911
912err:
913 kfree(eeprom_buff);
914 return ret_val;
915}
916
9a799d71 917static void ixgbe_get_drvinfo(struct net_device *netdev,
e7cf745b 918 struct ethtool_drvinfo *drvinfo)
9a799d71
AK		 919{
920 struct ixgbe_adapter *adapter = netdev_priv(netdev);
15e5209f 921 u32 nvm_track_id;
9a799d71 922
612a94d6
RJ		 923 strlcpy(drvinfo->driver, ixgbe_driver_name, sizeof(drvinfo->driver));
924 strlcpy(drvinfo->version, ixgbe_driver_version,
925 sizeof(drvinfo->version));
083fc582 926
15e5209f
ET		 927 nvm_track_id = (adapter->eeprom_verh << 16) |
928 adapter->eeprom_verl;
612a94d6 929 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "0x%08x",
15e5209f 930 nvm_track_id);
083fc582 931
612a94d6
RJ		 932 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
933 sizeof(drvinfo->bus_info));
9a799d71 934 drvinfo->n_stats = IXGBE_STATS_LEN;
da4dd0f7 935 drvinfo->testinfo_len = IXGBE_TEST_LEN;
9a799d71
AK		 936 drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
937}
938
939static void ixgbe_get_ringparam(struct net_device *netdev,
e7cf745b 940 struct ethtool_ringparam *ring)
9a799d71
AK		 941{
942 struct ixgbe_adapter *adapter = netdev_priv(netdev);
4a0b9ca0
PW		 943 struct ixgbe_ring *tx_ring = adapter->tx_ring[0];
944 struct ixgbe_ring *rx_ring = adapter->rx_ring[0];
9a799d71
AK		 945
946 ring->rx_max_pending = IXGBE_MAX_RXD;
947 ring->tx_max_pending = IXGBE_MAX_TXD;
9a799d71
AK		 948 ring->rx_pending = rx_ring->count;
949 ring->tx_pending = tx_ring->count;
9a799d71
AK		 950}
951
952static int ixgbe_set_ringparam(struct net_device *netdev,
e7cf745b 953 struct ethtool_ringparam *ring)
9a799d71
AK		 954{
955 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1f4702aa 956 struct ixgbe_ring *temp_ring;
759884b4 957 int i, err = 0;
c431f97e 958 u32 new_rx_count, new_tx_count;
9a799d71
AK		 959
960 if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
961 return -EINVAL;
962
1f4702aa
AD		 963 new_tx_count = clamp_t(u32, ring->tx_pending,
964 IXGBE_MIN_TXD, IXGBE_MAX_TXD);
9a799d71
AK		 965 new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
966
1f4702aa
AD		 967 new_rx_count = clamp_t(u32, ring->rx_pending,
968 IXGBE_MIN_RXD, IXGBE_MAX_RXD);
969 new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
970
971 if ((new_tx_count == adapter->tx_ring_count) &&
972 (new_rx_count == adapter->rx_ring_count)) {
9a799d71
AK		 973 /* nothing to do */
974 return 0;
975 }
976
d4f80882 977 while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
032b4325 978 usleep_range(1000, 2000);
d4f80882 979
759884b4
AD		 980 if (!netif_running(adapter->netdev)) {
981 for (i = 0; i < adapter->num_tx_queues; i++)
4a0b9ca0 982 adapter->tx_ring[i]->count = new_tx_count;
759884b4 983 for (i = 0; i < adapter->num_rx_queues; i++)
4a0b9ca0 984 adapter->rx_ring[i]->count = new_rx_count;
759884b4
AD		 985 adapter->tx_ring_count = new_tx_count;
986 adapter->rx_ring_count = new_rx_count;
4a0b9ca0 987 goto clear_reset;
759884b4
AD		 988 }
989
1f4702aa
AD		 990 /* allocate temporary buffer to store rings in */
991 i = max_t(int, adapter->num_tx_queues, adapter->num_rx_queues);
992 temp_ring = vmalloc(i * sizeof(struct ixgbe_ring));
993
994 if (!temp_ring) {
f9ed8854 995 err = -ENOMEM;
4a0b9ca0 996 goto clear_reset;
f9ed8854
MC		 997 }
998
1f4702aa
AD		 999 ixgbe_down(adapter);
1000
1001 /*
1002 * Setup new Tx resources and free the old Tx resources in that order.
1003 * We can then assign the new resources to the rings via a memcpy.
1004 * The advantage to this approach is that we are guaranteed to still
1005 * have resources even in the case of an allocation failure.
1006 */
f9ed8854 1007 if (new_tx_count != adapter->tx_ring_count) {
9a799d71 1008 for (i = 0; i < adapter->num_tx_queues; i++) {
1f4702aa 1009 memcpy(&temp_ring[i], adapter->tx_ring[i],
4a0b9ca0 1010 sizeof(struct ixgbe_ring));
1f4702aa
AD		 1011
1012 temp_ring[i].count = new_tx_count;
1013 err = ixgbe_setup_tx_resources(&temp_ring[i]);
9a799d71 1014 if (err) {
c431f97e
JB		 1015 while (i) {
1016 i--;
1f4702aa 1017 ixgbe_free_tx_resources(&temp_ring[i]);
c431f97e 1018 }
1f4702aa 1019 goto err_setup;
9a799d71 1020 }
9a799d71 1021 }
9a799d71 1022
1f4702aa
AD		 1023 for (i = 0; i < adapter->num_tx_queues; i++) {
1024 ixgbe_free_tx_resources(adapter->tx_ring[i]);
1025
1026 memcpy(adapter->tx_ring[i], &temp_ring[i],
1027 sizeof(struct ixgbe_ring));
1028 }
1029
1030 adapter->tx_ring_count = new_tx_count;
d3fa4721 1031 }
9a799d71 1032
1f4702aa 1033 /* Repeat the process for the Rx rings if needed */
f9ed8854 1034 if (new_rx_count != adapter->rx_ring_count) {
c431f97e 1035 for (i = 0; i < adapter->num_rx_queues; i++) {
1f4702aa 1036 memcpy(&temp_ring[i], adapter->rx_ring[i],
4a0b9ca0 1037 sizeof(struct ixgbe_ring));
1f4702aa
AD		 1038
1039 temp_ring[i].count = new_rx_count;
1040 err = ixgbe_setup_rx_resources(&temp_ring[i]);
9a799d71 1041 if (err) {
c431f97e
JB		 1042 while (i) {
1043 i--;
1f4702aa 1044 ixgbe_free_rx_resources(&temp_ring[i]);
c431f97e 1045 }
9a799d71
AK		 1046 goto err_setup;
1047 }
1f4702aa 1048
9a799d71 1049 }
f9ed8854 1050
1f4702aa
AD		 1051 for (i = 0; i < adapter->num_rx_queues; i++) {
1052 ixgbe_free_rx_resources(adapter->rx_ring[i]);
f9ed8854 1053
1f4702aa
AD		 1054 memcpy(adapter->rx_ring[i], &temp_ring[i],
1055 sizeof(struct ixgbe_ring));
f9ed8854
MC		 1056 }
1057
1f4702aa 1058 adapter->rx_ring_count = new_rx_count;
759884b4 1059 }
4a0b9ca0 1060
f9ed8854 1061err_setup:
1f4702aa
AD		 1062 ixgbe_up(adapter);
1063 vfree(temp_ring);
4a0b9ca0 1064clear_reset:
d4f80882 1065 clear_bit(__IXGBE_RESETTING, &adapter->state);
9a799d71
AK		 1066 return err;
1067}
1068
b9f2c044 1069static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
9a799d71 1070{
b9f2c044 1071 switch (sset) {
da4dd0f7
PWJ		 1072 case ETH_SS_TEST:
1073 return IXGBE_TEST_LEN;
b9f2c044
JG		 1074 case ETH_SS_STATS:
1075 return IXGBE_STATS_LEN;
1076 default:
1077 return -EOPNOTSUPP;
1078 }
9a799d71
AK		 1079}
1080
1081static void ixgbe_get_ethtool_stats(struct net_device *netdev,
e7cf745b 1082 struct ethtool_stats *stats, u64 *data)
9a799d71
AK		 1083{
1084 struct ixgbe_adapter *adapter = netdev_priv(netdev);
28172739
ED		 1085 struct rtnl_link_stats64 temp;
1086 const struct rtnl_link_stats64 *net_stats;
de1036b1
ED		 1087 unsigned int start;
1088 struct ixgbe_ring *ring;
1089 int i, j;
29c3a050 1090 char *p = NULL;
9a799d71
AK		 1091
1092 ixgbe_update_stats(adapter);
28172739 1093 net_stats = dev_get_stats(netdev, &temp);
9a799d71 1094 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
29c3a050
AK		 1095 switch (ixgbe_gstrings_stats[i].type) {
1096 case NETDEV_STATS:
28172739 1097 p = (char *) net_stats +
29c3a050
AK		 1098 ixgbe_gstrings_stats[i].stat_offset;
1099 break;
1100 case IXGBE_STATS:
1101 p = (char *) adapter +
1102 ixgbe_gstrings_stats[i].stat_offset;
1103 break;
f752be9c
JH		 1104 default:
1105 data[i] = 0;
1106 continue;
29c3a050
AK		 1107 }
1108
9a799d71 1109 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
e7cf745b 1110 sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
9a799d71 1111 }
bd8a1b12 1112 for (j = 0; j < netdev->num_tx_queues; j++) {
de1036b1 1113 ring = adapter->tx_ring[j];
9cc00b51
JF		 1114 if (!ring) {
1115 data[i] = 0;
1116 data[i+1] = 0;
1117 i += 2;
b4640030 1118#ifdef BP_EXTENDED_STATS
7e15b90f
ET		 1119 data[i] = 0;
1120 data[i+1] = 0;
1121 data[i+2] = 0;
1122 i += 3;
1123#endif
9cc00b51
JF		 1124 continue;
1125 }
1126
de1036b1 1127 do {
57a7744e 1128 start = u64_stats_fetch_begin_irq(&ring->syncp);
de1036b1
ED		 1129 data[i] = ring->stats.packets;
1130 data[i+1] = ring->stats.bytes;
57a7744e 1131 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
de1036b1 1132 i += 2;
b4640030 1133#ifdef BP_EXTENDED_STATS
7e15b90f
ET		 1134 data[i] = ring->stats.yields;
1135 data[i+1] = ring->stats.misses;
1136 data[i+2] = ring->stats.cleaned;
1137 i += 3;
1138#endif
9a799d71 1139 }
9cc00b51 1140 for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
de1036b1 1141 ring = adapter->rx_ring[j];
9cc00b51
JF		 1142 if (!ring) {
1143 data[i] = 0;
1144 data[i+1] = 0;
1145 i += 2;
b4640030 1146#ifdef BP_EXTENDED_STATS
7e15b90f
ET		 1147 data[i] = 0;
1148 data[i+1] = 0;
1149 data[i+2] = 0;
1150 i += 3;
1151#endif
9cc00b51
JF		 1152 continue;
1153 }
1154
de1036b1 1155 do {
57a7744e 1156 start = u64_stats_fetch_begin_irq(&ring->syncp);
de1036b1
ED		 1157 data[i] = ring->stats.packets;
1158 data[i+1] = ring->stats.bytes;
57a7744e 1159 } while (u64_stats_fetch_retry_irq(&ring->syncp, start));
de1036b1 1160 i += 2;
b4640030 1161#ifdef BP_EXTENDED_STATS
7e15b90f
ET		 1162 data[i] = ring->stats.yields;
1163 data[i+1] = ring->stats.misses;
1164 data[i+2] = ring->stats.cleaned;
1165 i += 3;
1166#endif
9a799d71 1167 }
9cc00b51
JF		 1168
1169 for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1170 data[i++] = adapter->stats.pxontxc[j];
1171 data[i++] = adapter->stats.pxofftxc[j];
1172 }
1173 for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
1174 data[i++] = adapter->stats.pxonrxc[j];
1175 data[i++] = adapter->stats.pxoffrxc[j];
2f90b865 1176 }
9a799d71
AK		 1177}
1178
1179static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
e7cf745b 1180 u8 *data)
9a799d71 1181{
c44ade9e 1182 char *p = (char *)data;
9a799d71
AK		 1183 int i;
1184
1185 switch (stringset) {
da4dd0f7 1186 case ETH_SS_TEST:
d2c47b62
JH		 1187 for (i = 0; i < IXGBE_TEST_LEN; i++) {
1188 memcpy(data, ixgbe_gstrings_test[i], ETH_GSTRING_LEN);
1189 data += ETH_GSTRING_LEN;
1190 }
da4dd0f7 1191 break;
9a799d71
AK		 1192 case ETH_SS_STATS:
1193 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
1194 memcpy(p, ixgbe_gstrings_stats[i].stat_string,
1195 ETH_GSTRING_LEN);
1196 p += ETH_GSTRING_LEN;
1197 }
9cc00b51 1198 for (i = 0; i < netdev->num_tx_queues; i++) {
9a799d71
AK		 1199 sprintf(p, "tx_queue_%u_packets", i);
1200 p += ETH_GSTRING_LEN;
1201 sprintf(p, "tx_queue_%u_bytes", i);
1202 p += ETH_GSTRING_LEN;
b4640030
JK		 1203#ifdef BP_EXTENDED_STATS
1204 sprintf(p, "tx_queue_%u_bp_napi_yield", i);
7e15b90f 1205 p += ETH_GSTRING_LEN;
b4640030 1206 sprintf(p, "tx_queue_%u_bp_misses", i);
7e15b90f 1207 p += ETH_GSTRING_LEN;
b4640030 1208 sprintf(p, "tx_queue_%u_bp_cleaned", i);
7e15b90f 1209 p += ETH_GSTRING_LEN;
b4640030 1210#endif /* BP_EXTENDED_STATS */
9a799d71 1211 }
9cc00b51 1212 for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) {
9a799d71
AK		 1213 sprintf(p, "rx_queue_%u_packets", i);
1214 p += ETH_GSTRING_LEN;
1215 sprintf(p, "rx_queue_%u_bytes", i);
1216 p += ETH_GSTRING_LEN;
b4640030
JK		 1217#ifdef BP_EXTENDED_STATS
1218 sprintf(p, "rx_queue_%u_bp_poll_yield", i);
7e15b90f 1219 p += ETH_GSTRING_LEN;
b4640030 1220 sprintf(p, "rx_queue_%u_bp_misses", i);
7e15b90f 1221 p += ETH_GSTRING_LEN;
b4640030 1222 sprintf(p, "rx_queue_%u_bp_cleaned", i);
7e15b90f 1223 p += ETH_GSTRING_LEN;
b4640030 1224#endif /* BP_EXTENDED_STATS */
9a799d71 1225 }
9cc00b51
JF		 1226 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1227 sprintf(p, "tx_pb_%u_pxon", i);
1228 p += ETH_GSTRING_LEN;
1229 sprintf(p, "tx_pb_%u_pxoff", i);
1230 p += ETH_GSTRING_LEN;
1231 }
1232 for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
1233 sprintf(p, "rx_pb_%u_pxon", i);
1234 p += ETH_GSTRING_LEN;
1235 sprintf(p, "rx_pb_%u_pxoff", i);
1236 p += ETH_GSTRING_LEN;
2f90b865 1237 }
b4617240 1238 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
9a799d71
AK		 1239 break;
1240 }
1241}
1242
da4dd0f7
PWJ		 1243static int ixgbe_link_test(struct ixgbe_adapter *adapter, u64 *data)
1244{
1245 struct ixgbe_hw *hw = &adapter->hw;
1246 bool link_up;
1247 u32 link_speed = 0;
0edd2bdf
MR		 1248
1249 if (ixgbe_removed(hw->hw_addr)) {
1250 *data = 1;
1251 return 1;
1252 }
da4dd0f7
PWJ		 1253 *data = 0;
1254
1255 hw->mac.ops.check_link(hw, &link_speed, &link_up, true);
1256 if (link_up)
1257 return *data;
1258 else
1259 *data = 1;
1260 return *data;
1261}
1262
1263/* ethtool register test data */
1264struct ixgbe_reg_test {
1265 u16 reg;
1266 u8 array_len;
1267 u8 test_type;
1268 u32 mask;
1269 u32 write;
1270};
1271
1272/* In the hardware, registers are laid out either singly, in arrays
1273 * spaced 0x40 bytes apart, or in contiguous tables. We assume
1274 * most tests take place on arrays or single registers (handled
1275 * as a single-element array) and special-case the tables.
1276 * Table tests are always pattern tests.
1277 *
1278 * We also make provision for some required setup steps by specifying
1279 * registers to be written without any read-back testing.
1280 */
1281
1282#define PATTERN_TEST 1
1283#define SET_READ_TEST 2
1284#define WRITE_NO_TEST 3
1285#define TABLE32_TEST 4
1286#define TABLE64_TEST_LO 5
1287#define TABLE64_TEST_HI 6
1288
1289/* default 82599 register test */
66744500 1290static const struct ixgbe_reg_test reg_test_82599[] = {
da4dd0f7
PWJ		 1291 { IXGBE_FCRTL_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1292 { IXGBE_FCRTH_82599(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1293 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1294 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1295 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 },
1296 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1297 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1298 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1299 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1300 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1301 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1302 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1303 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1304 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1305 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFF80 },
1306 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000001, 0x00000001 },
1307 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1308 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x8001FFFF, 0x800CFFFF },
1309 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
ca8dfe25 1310 { .reg = 0 }
da4dd0f7
PWJ		 1311};
1312
1313/* default 82598 register test */
66744500 1314static const struct ixgbe_reg_test reg_test_82598[] = {
da4dd0f7
PWJ		 1315 { IXGBE_FCRTL(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1316 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1317 { IXGBE_PFCTOP, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1318 { IXGBE_VLNCTRL, 1, PATTERN_TEST, 0x00000000, 0x00000000 },
1319 { IXGBE_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1320 { IXGBE_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1321 { IXGBE_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1322 /* Enable all four RX queues before testing. */
1323 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE },
1324 /* RDH is read-only for 82598, only test RDT. */
1325 { IXGBE_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF },
1326 { IXGBE_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 },
1327 { IXGBE_FCRTH(0), 1, PATTERN_TEST, 0x8007FFF0, 0x8007FFF0 },
1328 { IXGBE_FCTTV(0), 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1329 { IXGBE_TIPG, 1, PATTERN_TEST, 0x000000FF, 0x000000FF },
1330 { IXGBE_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF },
1331 { IXGBE_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
1332 { IXGBE_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF },
1333 { IXGBE_RXCTRL, 1, SET_READ_TEST, 0x00000003, 0x00000003 },
1334 { IXGBE_DTXCTL, 1, SET_READ_TEST, 0x00000005, 0x00000005 },
1335 { IXGBE_RAL(0), 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF },
1336 { IXGBE_RAL(0), 16, TABLE64_TEST_HI, 0x800CFFFF, 0x800CFFFF },
1337 { IXGBE_MTA(0), 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF },
ca8dfe25 1338 { .reg = 0 }
da4dd0f7
PWJ		 1339};
1340
95a46011
ET		 1341static bool reg_pattern_test(struct ixgbe_adapter *adapter, u64 *data, int reg,
1342 u32 mask, u32 write)
1343{
1344 u32 pat, val, before;
1345 static const u32 test_pattern[] = {
1346 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
1347
b0483c8f
MR		 1348 if (ixgbe_removed(adapter->hw.hw_addr)) {
1349 *data = 1;
1350 return 1;
1351 }
95a46011 1352 for (pat = 0; pat < ARRAY_SIZE(test_pattern); pat++) {
49bde319
MR		 1353 before = ixgbe_read_reg(&adapter->hw, reg);
1354 ixgbe_write_reg(&adapter->hw, reg, test_pattern[pat] & write);
1355 val = ixgbe_read_reg(&adapter->hw, reg);
95a46011 1356 if (val != (test_pattern[pat] & write & mask)) {
6ec1b71f 1357 e_err(drv, "pattern test reg %04X failed: got 0x%08X expected 0x%08X\n",
95a46011
ET		 1358 reg, val, (test_pattern[pat] & write & mask));
1359 *data = reg;
49bde319
MR		 1360 ixgbe_write_reg(&adapter->hw, reg, before);
1361 return true;
95a46011 1362 }
49bde319 1363 ixgbe_write_reg(&adapter->hw, reg, before);
95a46011 1364 }
49bde319 1365 return false;
da4dd0f7
PWJ		 1366}
1367
95a46011
ET		 1368static bool reg_set_and_check(struct ixgbe_adapter *adapter, u64 *data, int reg,
1369 u32 mask, u32 write)
1370{
1371 u32 val, before;
49bde319 1372
b0483c8f
MR		 1373 if (ixgbe_removed(adapter->hw.hw_addr)) {
1374 *data = 1;
1375 return 1;
1376 }
49bde319
MR		 1377 before = ixgbe_read_reg(&adapter->hw, reg);
1378 ixgbe_write_reg(&adapter->hw, reg, write & mask);
1379 val = ixgbe_read_reg(&adapter->hw, reg);
95a46011 1380 if ((write & mask) != (val & mask)) {
6ec1b71f
JK		 1381 e_err(drv, "set/check reg %04X test failed: got 0x%08X expected 0x%08X\n",
1382 reg, (val & mask), (write & mask));
95a46011 1383 *data = reg;
49bde319
MR		 1384 ixgbe_write_reg(&adapter->hw, reg, before);
1385 return true;
95a46011 1386 }
49bde319
MR		 1387 ixgbe_write_reg(&adapter->hw, reg, before);
1388 return false;
da4dd0f7
PWJ		 1389}
1390
1391static int ixgbe_reg_test(struct ixgbe_adapter *adapter, u64 *data)
1392{
66744500 1393 const struct ixgbe_reg_test *test;
da4dd0f7
PWJ		 1394 u32 value, before, after;
1395 u32 i, toggle;
1396
b0483c8f
MR		 1397 if (ixgbe_removed(adapter->hw.hw_addr)) {
1398 e_err(drv, "Adapter removed - register test blocked\n");
1399 *data = 1;
1400 return 1;
1401 }
bd508178
AD		 1402 switch (adapter->hw.mac.type) {
1403 case ixgbe_mac_82598EB:
da4dd0f7
PWJ		 1404 toggle = 0x7FFFF3FF;
1405 test = reg_test_82598;
bd508178
AD		 1406 break;
1407 case ixgbe_mac_82599EB:
b93a2226 1408 case ixgbe_mac_X540:
bd508178
AD		 1409 toggle = 0x7FFFF30F;
1410 test = reg_test_82599;
1411 break;
1412 default:
1413 *data = 1;
1414 return 1;
da4dd0f7
PWJ		 1415 }
1416
1417 /*
1418 * Because the status register is such a special case,
1419 * we handle it separately from the rest of the register
1420 * tests. Some bits are read-only, some toggle, and some
1421 * are writeable on newer MACs.
1422 */
49bde319
MR		 1423 before = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS);
1424 value = (ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle);
1425 ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, toggle);
1426 after = ixgbe_read_reg(&adapter->hw, IXGBE_STATUS) & toggle;
da4dd0f7 1427 if (value != after) {
6ec1b71f
JK		 1428 e_err(drv, "failed STATUS register test got: 0x%08X expected: 0x%08X\n",
1429 after, value);
da4dd0f7
PWJ		 1430 *data = 1;
1431 return 1;
1432 }
1433 /* restore previous status */
49bde319 1434 ixgbe_write_reg(&adapter->hw, IXGBE_STATUS, before);
da4dd0f7
PWJ		 1435
1436 /*
1437 * Perform the remainder of the register test, looping through
1438 * the test table until we either fail or reach the null entry.
1439 */
1440 while (test->reg) {
1441 for (i = 0; i < test->array_len; i++) {
49bde319
MR		 1442 bool b = false;
1443
da4dd0f7
PWJ		 1444 switch (test->test_type) {
1445 case PATTERN_TEST:
49bde319
MR		 1446 b = reg_pattern_test(adapter, data,
1447 test->reg + (i * 0x40),
1448 test->mask,
1449 test->write);
da4dd0f7
PWJ		 1450 break;
1451 case SET_READ_TEST:
49bde319
MR		 1452 b = reg_set_and_check(adapter, data,
1453 test->reg + (i * 0x40),
1454 test->mask,
1455 test->write);
da4dd0f7
PWJ		 1456 break;
1457 case WRITE_NO_TEST:
49bde319
MR		 1458 ixgbe_write_reg(&adapter->hw,
1459 test->reg + (i * 0x40),
1460 test->write);
da4dd0f7
PWJ		 1461 break;
1462 case TABLE32_TEST:
49bde319
MR		 1463 b = reg_pattern_test(adapter, data,
1464 test->reg + (i * 4),
1465 test->mask,
1466 test->write);
da4dd0f7
PWJ		 1467 break;
1468 case TABLE64_TEST_LO:
49bde319
MR		 1469 b = reg_pattern_test(adapter, data,
1470 test->reg + (i * 8),
1471 test->mask,
1472 test->write);
da4dd0f7
PWJ		 1473 break;
1474 case TABLE64_TEST_HI:
49bde319
MR		 1475 b = reg_pattern_test(adapter, data,
1476 (test->reg + 4) + (i * 8),
1477 test->mask,
1478 test->write);
da4dd0f7
PWJ		 1479 break;
1480 }
49bde319
MR		 1481 if (b)
1482 return 1;
da4dd0f7
PWJ		 1483 }
1484 test++;
1485 }
1486
1487 *data = 0;
1488 return 0;
1489}
1490
1491static int ixgbe_eeprom_test(struct ixgbe_adapter *adapter, u64 *data)
1492{
1493 struct ixgbe_hw *hw = &adapter->hw;
1494 if (hw->eeprom.ops.validate_checksum(hw, NULL))
1495 *data = 1;
1496 else
1497 *data = 0;
1498 return *data;
1499}
1500
1501static irqreturn_t ixgbe_test_intr(int irq, void *data)
1502{
1503 struct net_device *netdev = (struct net_device *) data;
1504 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1505
1506 adapter->test_icr |= IXGBE_READ_REG(&adapter->hw, IXGBE_EICR);
1507
1508 return IRQ_HANDLED;
1509}
1510
1511static int ixgbe_intr_test(struct ixgbe_adapter *adapter, u64 *data)
1512{
1513 struct net_device *netdev = adapter->netdev;
1514 u32 mask, i = 0, shared_int = true;
1515 u32 irq = adapter->pdev->irq;
1516
1517 *data = 0;
1518
1519 /* Hook up test interrupt handler just for this test */
1520 if (adapter->msix_entries) {
1521 /* NOTE: we don't test MSI-X interrupts here, yet */
1522 return 0;
1523 } else if (adapter->flags & IXGBE_FLAG_MSI_ENABLED) {
1524 shared_int = false;
a0607fd3 1525 if (request_irq(irq, ixgbe_test_intr, 0, netdev->name,
da4dd0f7
PWJ		 1526 netdev)) {
1527 *data = 1;
1528 return -1;
1529 }
a0607fd3 1530 } else if (!request_irq(irq, ixgbe_test_intr, IRQF_PROBE_SHARED,
e7cf745b 1531 netdev->name, netdev)) {
da4dd0f7 1532 shared_int = false;
a0607fd3 1533 } else if (request_irq(irq, ixgbe_test_intr, IRQF_SHARED,
e7cf745b 1534 netdev->name, netdev)) {
da4dd0f7
PWJ		 1535 *data = 1;
1536 return -1;
1537 }
396e799c
ET		 1538 e_info(hw, "testing %s interrupt\n", shared_int ?
1539 "shared" : "unshared");
da4dd0f7
PWJ		 1540
1541 /* Disable all the interrupts */
1542 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
945a5151 1543 IXGBE_WRITE_FLUSH(&adapter->hw);
032b4325 1544 usleep_range(10000, 20000);
da4dd0f7
PWJ		 1545
1546 /* Test each interrupt */
1547 for (; i < 10; i++) {
1548 /* Interrupt to test */
1549 mask = 1 << i;
1550
1551 if (!shared_int) {
1552 /*
1553 * Disable the interrupts to be reported in
1554 * the cause register and then force the same
1555 * interrupt and see if one gets posted. If
1556 * an interrupt was posted to the bus, the
1557 * test failed.
1558 */
1559 adapter->test_icr = 0;
1560 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
e7cf745b 1561 ~mask & 0x00007FFF);
da4dd0f7 1562 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
e7cf745b 1563 ~mask & 0x00007FFF);
945a5151 1564 IXGBE_WRITE_FLUSH(&adapter->hw);
032b4325 1565 usleep_range(10000, 20000);
da4dd0f7
PWJ		 1566
1567 if (adapter->test_icr & mask) {
1568 *data = 3;
1569 break;
1570 }
1571 }
1572
1573 /*
1574 * Enable the interrupt to be reported in the cause
1575 * register and then force the same interrupt and see
1576 * if one gets posted. If an interrupt was not posted
1577 * to the bus, the test failed.
1578 */
1579 adapter->test_icr = 0;
1580 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMS, mask);
1581 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS, mask);
945a5151 1582 IXGBE_WRITE_FLUSH(&adapter->hw);
032b4325 1583 usleep_range(10000, 20000);
da4dd0f7 1584
8105ecdf 1585 if (!(adapter->test_icr & mask)) {
da4dd0f7
PWJ		 1586 *data = 4;
1587 break;
1588 }
1589
1590 if (!shared_int) {
1591 /*
1592 * Disable the other interrupts to be reported in
1593 * the cause register and then force the other
1594 * interrupts and see if any get posted. If
1595 * an interrupt was posted to the bus, the
1596 * test failed.
1597 */
1598 adapter->test_icr = 0;
1599 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC,
e7cf745b 1600 ~mask & 0x00007FFF);
da4dd0f7 1601 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EICS,
e7cf745b 1602 ~mask & 0x00007FFF);
945a5151 1603 IXGBE_WRITE_FLUSH(&adapter->hw);
032b4325 1604 usleep_range(10000, 20000);
da4dd0f7
PWJ		 1605
1606 if (adapter->test_icr) {
1607 *data = 5;
1608 break;
1609 }
1610 }
1611 }
1612
1613 /* Disable all the interrupts */
1614 IXGBE_WRITE_REG(&adapter->hw, IXGBE_EIMC, 0xFFFFFFFF);
945a5151 1615 IXGBE_WRITE_FLUSH(&adapter->hw);
032b4325 1616 usleep_range(10000, 20000);
da4dd0f7
PWJ		 1617
1618 /* Unhook test interrupt handler */
1619 free_irq(irq, netdev);
1620
1621 return *data;
1622}
1623
1624static void ixgbe_free_desc_rings(struct ixgbe_adapter *adapter)
1625{
1626 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1627 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
1628 struct ixgbe_hw *hw = &adapter->hw;
da4dd0f7 1629 u32 reg_ctl;
da4dd0f7
PWJ		 1630
1631 /* shut down the DMA engines now so they can be reinitialized later */
1632
1633 /* first Rx */
1634 reg_ctl = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
1635 reg_ctl &= ~IXGBE_RXCTRL_RXEN;
1636 IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, reg_ctl);
2d39d576 1637 ixgbe_disable_rx_queue(adapter, rx_ring);
da4dd0f7
PWJ		 1638
1639 /* now Tx */
84418e3b 1640 reg_ctl = IXGBE_READ_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx));
da4dd0f7 1641 reg_ctl &= ~IXGBE_TXDCTL_ENABLE;
84418e3b
AD		 1642 IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(tx_ring->reg_idx), reg_ctl);
1643
bd508178
AD		 1644 switch (hw->mac.type) {
1645 case ixgbe_mac_82599EB:
b93a2226 1646 case ixgbe_mac_X540:
da4dd0f7
PWJ		 1647 reg_ctl = IXGBE_READ_REG(hw, IXGBE_DMATXCTL);
1648 reg_ctl &= ~IXGBE_DMATXCTL_TE;
1649 IXGBE_WRITE_REG(hw, IXGBE_DMATXCTL, reg_ctl);
bd508178
AD		 1650 break;
1651 default:
1652 break;
da4dd0f7
PWJ		 1653 }
1654
1655 ixgbe_reset(adapter);
1656
b6ec895e
AD		 1657 ixgbe_free_tx_resources(&adapter->test_tx_ring);
1658 ixgbe_free_rx_resources(&adapter->test_rx_ring);
da4dd0f7
PWJ		 1659}
1660
1661static int ixgbe_setup_desc_rings(struct ixgbe_adapter *adapter)
1662{
1663 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1664 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
da4dd0f7 1665 u32 rctl, reg_data;
84418e3b
AD		 1666 int ret_val;
1667 int err;
da4dd0f7
PWJ		 1668
1669 /* Setup Tx descriptor ring and Tx buffers */
84418e3b
AD		 1670 tx_ring->count = IXGBE_DEFAULT_TXD;
1671 tx_ring->queue_index = 0;
b6ec895e 1672 tx_ring->dev = &adapter->pdev->dev;
fc77dc3c 1673 tx_ring->netdev = adapter->netdev;
84418e3b 1674 tx_ring->reg_idx = adapter->tx_ring[0]->reg_idx;
da4dd0f7 1675
b6ec895e 1676 err = ixgbe_setup_tx_resources(tx_ring);
84418e3b
AD		 1677 if (err)
1678 return 1;
da4dd0f7 1679
bd508178
AD		 1680 switch (adapter->hw.mac.type) {
1681 case ixgbe_mac_82599EB:
b93a2226 1682 case ixgbe_mac_X540:
da4dd0f7
PWJ		 1683 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_DMATXCTL);
1684 reg_data |= IXGBE_DMATXCTL_TE;
1685 IXGBE_WRITE_REG(&adapter->hw, IXGBE_DMATXCTL, reg_data);
bd508178
AD		 1686 break;
1687 default:
1688 break;
da4dd0f7 1689 }
f4ec443b 1690
84418e3b 1691 ixgbe_configure_tx_ring(adapter, tx_ring);
da4dd0f7
PWJ		 1692
1693 /* Setup Rx Descriptor ring and Rx buffers */
84418e3b
AD		 1694 rx_ring->count = IXGBE_DEFAULT_RXD;
1695 rx_ring->queue_index = 0;
b6ec895e 1696 rx_ring->dev = &adapter->pdev->dev;
fc77dc3c 1697 rx_ring->netdev = adapter->netdev;
84418e3b 1698 rx_ring->reg_idx = adapter->rx_ring[0]->reg_idx;
84418e3b 1699
b6ec895e 1700 err = ixgbe_setup_rx_resources(rx_ring);
84418e3b 1701 if (err) {
da4dd0f7
PWJ		 1702 ret_val = 4;
1703 goto err_nomem;
1704 }
1705
da4dd0f7
PWJ		 1706 rctl = IXGBE_READ_REG(&adapter->hw, IXGBE_RXCTRL);
1707 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl & ~IXGBE_RXCTRL_RXEN);
da4dd0f7 1708
84418e3b 1709 ixgbe_configure_rx_ring(adapter, rx_ring);
da4dd0f7
PWJ		 1710
1711 rctl |= IXGBE_RXCTRL_RXEN | IXGBE_RXCTRL_DMBYPS;
1712 IXGBE_WRITE_REG(&adapter->hw, IXGBE_RXCTRL, rctl);
1713
da4dd0f7
PWJ		 1714 return 0;
1715
1716err_nomem:
1717 ixgbe_free_desc_rings(adapter);
1718 return ret_val;
1719}
1720
1721static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
1722{
1723 struct ixgbe_hw *hw = &adapter->hw;
1724 u32 reg_data;
1725
e7fd9253 1726
84418e3b 1727 /* Setup MAC loopback */
26b4742b 1728 reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
da4dd0f7 1729 reg_data |= IXGBE_HLREG0_LPBK;
35c7f8a1 1730 IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
da4dd0f7 1731
35c7f8a1 1732 reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
84418e3b 1733 reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
35c7f8a1 1734 IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
84418e3b 1735
26b4742b
ET		 1736 /* X540 needs to set the MACC.FLU bit to force link up */
1737 if (adapter->hw.mac.type == ixgbe_mac_X540) {
1738 reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
1739 reg_data |= IXGBE_MACC_FLU;
1740 IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
1741 } else {
1742 if (hw->mac.orig_autoc) {
1743 reg_data = hw->mac.orig_autoc | IXGBE_AUTOC_FLU;
1744 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
1745 } else {
1746 return 10;
1747 }
1748 }
35c7f8a1 1749 IXGBE_WRITE_FLUSH(hw);
032b4325 1750 usleep_range(10000, 20000);
da4dd0f7
PWJ		 1751
1752 /* Disable Atlas Tx lanes; re-enabled in reset path */
1753 if (hw->mac.type == ixgbe_mac_82598EB) {
1754 u8 atlas;
1755
1756 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, &atlas);
1757 atlas |= IXGBE_ATLAS_PDN_TX_REG_EN;
1758 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_LPBK, atlas);
1759
1760 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, &atlas);
1761 atlas |= IXGBE_ATLAS_PDN_TX_10G_QL_ALL;
1762 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_10G, atlas);
1763
1764 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, &atlas);
1765 atlas |= IXGBE_ATLAS_PDN_TX_1G_QL_ALL;
1766 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_1G, atlas);
1767
1768 hw->mac.ops.read_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, &atlas);
1769 atlas |= IXGBE_ATLAS_PDN_TX_AN_QL_ALL;
1770 hw->mac.ops.write_analog_reg8(hw, IXGBE_ATLAS_PDN_AN, atlas);
1771 }
1772
1773 return 0;
1774}
1775
1776static void ixgbe_loopback_cleanup(struct ixgbe_adapter *adapter)
1777{
1778 u32 reg_data;
1779
1780 reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
1781 reg_data &= ~IXGBE_HLREG0_LPBK;
1782 IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
1783}
1784
1785static void ixgbe_create_lbtest_frame(struct sk_buff *skb,
3832b26e 1786 unsigned int frame_size)
da4dd0f7
PWJ		 1787{
1788 memset(skb->data, 0xFF, frame_size);
3832b26e
AD		 1789 frame_size >>= 1;
1790 memset(&skb->data[frame_size], 0xAA, frame_size / 2 - 1);
1791 memset(&skb->data[frame_size + 10], 0xBE, 1);
1792 memset(&skb->data[frame_size + 12], 0xAF, 1);
da4dd0f7
PWJ		 1793}
1794
3832b26e
AD		 1795static bool ixgbe_check_lbtest_frame(struct ixgbe_rx_buffer *rx_buffer,
1796 unsigned int frame_size)
da4dd0f7 1797{
3832b26e
AD		 1798 unsigned char *data;
1799 bool match = true;
1800
1801 frame_size >>= 1;
1802
f800326d 1803 data = kmap(rx_buffer->page) + rx_buffer->page_offset;
3832b26e
AD		 1804
1805 if (data[3] != 0xFF ||
1806 data[frame_size + 10] != 0xBE ||
1807 data[frame_size + 12] != 0xAF)
1808 match = false;
1809
f800326d
AD		 1810 kunmap(rx_buffer->page);
1811
3832b26e 1812 return match;
da4dd0f7
PWJ		 1813}
1814
fc77dc3c 1815static u16 ixgbe_clean_test_rings(struct ixgbe_ring *rx_ring,
3832b26e
AD		 1816 struct ixgbe_ring *tx_ring,
1817 unsigned int size)
84418e3b
AD		 1818{
1819 union ixgbe_adv_rx_desc *rx_desc;
3832b26e
AD		 1820 struct ixgbe_rx_buffer *rx_buffer;
1821 struct ixgbe_tx_buffer *tx_buffer;
84418e3b
AD		 1822 u16 rx_ntc, tx_ntc, count = 0;
1823
1824 /* initialize next to clean and descriptor values */
1825 rx_ntc = rx_ring->next_to_clean;
1826 tx_ntc = tx_ring->next_to_clean;
e4f74028 1827 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
84418e3b 1828
3832b26e 1829 while (ixgbe_test_staterr(rx_desc, IXGBE_RXD_STAT_DD)) {
84418e3b 1830 /* check Rx buffer */
3832b26e 1831 rx_buffer = &rx_ring->rx_buffer_info[rx_ntc];
84418e3b 1832
f800326d
AD		 1833 /* sync Rx buffer for CPU read */
1834 dma_sync_single_for_cpu(rx_ring->dev,
1835 rx_buffer->dma,
1836 ixgbe_rx_bufsz(rx_ring),
1837 DMA_FROM_DEVICE);
84418e3b
AD		 1838
1839 /* verify contents of skb */
3832b26e 1840 if (ixgbe_check_lbtest_frame(rx_buffer, size))
84418e3b
AD		 1841 count++;
1842
f800326d
AD		 1843 /* sync Rx buffer for device write */
1844 dma_sync_single_for_device(rx_ring->dev,
1845 rx_buffer->dma,
1846 ixgbe_rx_bufsz(rx_ring),
1847 DMA_FROM_DEVICE);
1848
84418e3b 1849 /* unmap buffer on Tx side */
3832b26e
AD		 1850 tx_buffer = &tx_ring->tx_buffer_info[tx_ntc];
1851 ixgbe_unmap_and_free_tx_resource(tx_ring, tx_buffer);
84418e3b
AD		 1852
1853 /* increment Rx/Tx next to clean counters */
1854 rx_ntc++;
1855 if (rx_ntc == rx_ring->count)
1856 rx_ntc = 0;
1857 tx_ntc++;
1858 if (tx_ntc == tx_ring->count)
1859 tx_ntc = 0;
1860
1861 /* fetch next descriptor */
e4f74028 1862 rx_desc = IXGBE_RX_DESC(rx_ring, rx_ntc);
84418e3b
AD		 1863 }
1864
dad8a3b3
JF		 1865 netdev_tx_reset_queue(txring_txq(tx_ring));
1866
84418e3b 1867 /* re-map buffers to ring, store next to clean values */
fc77dc3c 1868 ixgbe_alloc_rx_buffers(rx_ring, count);
84418e3b
AD		 1869 rx_ring->next_to_clean = rx_ntc;
1870 tx_ring->next_to_clean = tx_ntc;
1871
1872 return count;
1873}
1874
da4dd0f7
PWJ		 1875static int ixgbe_run_loopback_test(struct ixgbe_adapter *adapter)
1876{
1877 struct ixgbe_ring *tx_ring = &adapter->test_tx_ring;
1878 struct ixgbe_ring *rx_ring = &adapter->test_rx_ring;
84418e3b
AD		 1879 int i, j, lc, good_cnt, ret_val = 0;
1880 unsigned int size = 1024;
1881 netdev_tx_t tx_ret_val;
1882 struct sk_buff *skb;
91ffdc84
ET		 1883 u32 flags_orig = adapter->flags;
1884
1885 /* DCB can modify the frames on Tx */
1886 adapter->flags &= ~IXGBE_FLAG_DCB_ENABLED;
84418e3b
AD		 1887
1888 /* allocate test skb */
1889 skb = alloc_skb(size, GFP_KERNEL);
1890 if (!skb)
1891 return 11;
da4dd0f7 1892
84418e3b
AD		 1893 /* place data into test skb */
1894 ixgbe_create_lbtest_frame(skb, size);
1895 skb_put(skb, size);
da4dd0f7
PWJ		 1896
1897 /*
1898 * Calculate the loop count based on the largest descriptor ring
1899 * The idea is to wrap the largest ring a number of times using 64
1900 * send/receive pairs during each loop
1901 */
1902
1903 if (rx_ring->count <= tx_ring->count)
1904 lc = ((tx_ring->count / 64) * 2) + 1;
1905 else
1906 lc = ((rx_ring->count / 64) * 2) + 1;
1907
da4dd0f7 1908 for (j = 0; j <= lc; j++) {
84418e3b 1909 /* reset count of good packets */
da4dd0f7 1910 good_cnt = 0;
84418e3b
AD		 1911
1912 /* place 64 packets on the transmit queue*/
1913 for (i = 0; i < 64; i++) {
1914 skb_get(skb);
1915 tx_ret_val = ixgbe_xmit_frame_ring(skb,
84418e3b
AD		 1916 adapter,
1917 tx_ring);
1918 if (tx_ret_val == NETDEV_TX_OK)
da4dd0f7 1919 good_cnt++;
84418e3b
AD		 1920 }
1921
da4dd0f7 1922 if (good_cnt != 64) {
84418e3b 1923 ret_val = 12;
da4dd0f7
PWJ		 1924 break;
1925 }
84418e3b
AD		 1926
1927 /* allow 200 milliseconds for packets to go from Tx to Rx */
1928 msleep(200);
1929
fc77dc3c 1930 good_cnt = ixgbe_clean_test_rings(rx_ring, tx_ring, size);
84418e3b
AD		 1931 if (good_cnt != 64) {
1932 ret_val = 13;
da4dd0f7
PWJ		 1933 break;
1934 }
1935 }
1936
84418e3b
AD		 1937 /* free the original skb */
1938 kfree_skb(skb);
91ffdc84 1939 adapter->flags = flags_orig;
84418e3b 1940
da4dd0f7
PWJ		 1941 return ret_val;
1942}
1943
1944static int ixgbe_loopback_test(struct ixgbe_adapter *adapter, u64 *data)
1945{
1946 *data = ixgbe_setup_desc_rings(adapter);
1947 if (*data)
1948 goto out;
1949 *data = ixgbe_setup_loopback_test(adapter);
1950 if (*data)
1951 goto err_loopback;
1952 *data = ixgbe_run_loopback_test(adapter);
1953 ixgbe_loopback_cleanup(adapter);
1954
1955err_loopback:
1956 ixgbe_free_desc_rings(adapter);
1957out:
1958 return *data;
1959}
1960
1961static void ixgbe_diag_test(struct net_device *netdev,
e7cf745b 1962 struct ethtool_test *eth_test, u64 *data)
da4dd0f7
PWJ		 1963{
1964 struct ixgbe_adapter *adapter = netdev_priv(netdev);
1965 bool if_running = netif_running(netdev);
1966
b0483c8f
MR		 1967 if (ixgbe_removed(adapter->hw.hw_addr)) {
1968 e_err(hw, "Adapter removed - test blocked\n");
1969 data[0] = 1;
1970 data[1] = 1;
1971 data[2] = 1;
1972 data[3] = 1;
0edd2bdf 1973 data[4] = 1;
b0483c8f
MR		 1974 eth_test->flags |= ETH_TEST_FL_FAILED;
1975 return;
1976 }
da4dd0f7
PWJ		 1977 set_bit(__IXGBE_TESTING, &adapter->state);
1978 if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
4ec375b1
ET		 1979 struct ixgbe_hw *hw = &adapter->hw;
1980
e7d481a6
GR		 1981 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
1982 int i;
1983 for (i = 0; i < adapter->num_vfs; i++) {
1984 if (adapter->vfinfo[i].clear_to_send) {
6ec1b71f 1985 netdev_warn(netdev, "offline diagnostic is not supported when VFs are present\n");
e7d481a6
GR		 1986 data[0] = 1;
1987 data[1] = 1;
1988 data[2] = 1;
1989 data[3] = 1;
0edd2bdf 1990 data[4] = 1;
e7d481a6
GR		 1991 eth_test->flags |= ETH_TEST_FL_FAILED;
1992 clear_bit(__IXGBE_TESTING,
1993 &adapter->state);
1994 goto skip_ol_tests;
1995 }
1996 }
1997 }
1998
dfcc4615
JK		 1999 /* Offline tests */
2000 e_info(hw, "offline testing starting\n");
2001
dfcc4615
JK		 2002 /* Link test performed before hardware reset so autoneg doesn't
2003 * interfere with test result
2004 */
2005 if (ixgbe_link_test(adapter, &data[4]))
2006 eth_test->flags |= ETH_TEST_FL_FAILED;
2007
4ec375b1
ET		 2008 if (if_running)
2009 /* indicate we're in test mode */
2010 dev_close(netdev);
2011 else
2012 ixgbe_reset(adapter);
2013
396e799c 2014 e_info(hw, "register testing starting\n");
da4dd0f7
PWJ		 2015 if (ixgbe_reg_test(adapter, &data[0]))
2016 eth_test->flags |= ETH_TEST_FL_FAILED;
2017
2018 ixgbe_reset(adapter);
396e799c 2019 e_info(hw, "eeprom testing starting\n");
da4dd0f7
PWJ		 2020 if (ixgbe_eeprom_test(adapter, &data[1]))
2021 eth_test->flags |= ETH_TEST_FL_FAILED;
2022
2023 ixgbe_reset(adapter);
396e799c 2024 e_info(hw, "interrupt testing starting\n");
da4dd0f7
PWJ		 2025 if (ixgbe_intr_test(adapter, &data[2]))
2026 eth_test->flags |= ETH_TEST_FL_FAILED;
2027
bdbec4b8
GR		 2028 /* If SRIOV or VMDq is enabled then skip MAC
2029 * loopback diagnostic. */
2030 if (adapter->flags & (IXGBE_FLAG_SRIOV_ENABLED |
2031 IXGBE_FLAG_VMDQ_ENABLED)) {
6ec1b71f 2032 e_info(hw, "Skip MAC loopback diagnostic in VT mode\n");
bdbec4b8
GR		 2033 data[3] = 0;
2034 goto skip_loopback;
2035 }
2036
da4dd0f7 2037 ixgbe_reset(adapter);
396e799c 2038 e_info(hw, "loopback testing starting\n");
da4dd0f7
PWJ		 2039 if (ixgbe_loopback_test(adapter, &data[3]))
2040 eth_test->flags |= ETH_TEST_FL_FAILED;
2041
bdbec4b8 2042skip_loopback:
da4dd0f7
PWJ		 2043 ixgbe_reset(adapter);
2044
dfcc4615 2045 /* clear testing bit and return adapter to previous state */
da4dd0f7
PWJ		 2046 clear_bit(__IXGBE_TESTING, &adapter->state);
2047 if (if_running)
2048 dev_open(netdev);
4ec375b1
ET		 2049 else if (hw->mac.ops.disable_tx_laser)
2050 hw->mac.ops.disable_tx_laser(hw);
da4dd0f7 2051 } else {
396e799c 2052 e_info(hw, "online testing starting\n");
dfcc4615 2053
da4dd0f7
PWJ		 2054 /* Online tests */
2055 if (ixgbe_link_test(adapter, &data[4]))
2056 eth_test->flags |= ETH_TEST_FL_FAILED;
2057
dfcc4615 2058 /* Offline tests aren't run; pass by default */
da4dd0f7
PWJ		 2059 data[0] = 0;
2060 data[1] = 0;
2061 data[2] = 0;
2062 data[3] = 0;
2063
2064 clear_bit(__IXGBE_TESTING, &adapter->state);
2065 }
dfcc4615 2066
e7d481a6 2067skip_ol_tests:
da4dd0f7
PWJ		 2068 msleep_interruptible(4 * 1000);
2069}
9a799d71 2070
d6c519e1 2071static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
e7cf745b 2072 struct ethtool_wolinfo *wol)
d6c519e1
AD		 2073{
2074 struct ixgbe_hw *hw = &adapter->hw;
8e2813f5 2075 int retval = 0;
c23f5b6b 2076
8e2813f5
JK		 2077 /* WOL not supported for all devices */
2078 if (!ixgbe_wol_supported(adapter, hw->device_id,
2079 hw->subsystem_device_id)) {
2080 retval = 1;
d6c519e1 2081 wol->supported = 0;
d6c519e1
AD		 2082 }
2083
2084 return retval;
2085}
2086
9a799d71 2087static void ixgbe_get_wol(struct net_device *netdev,
e7cf745b 2088 struct ethtool_wolinfo *wol)
9a799d71 2089{
e63d9762
PW		 2090 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2091
2092 wol->supported = WAKE_UCAST | WAKE_MCAST |
e7cf745b 2093 WAKE_BCAST | WAKE_MAGIC;
9a799d71
AK		 2094 wol->wolopts = 0;
2095
d6c519e1
AD		 2096 if (ixgbe_wol_exclusion(adapter, wol) ||
2097 !device_can_wakeup(&adapter->pdev->dev))
e63d9762
PW		 2098 return;
2099
2100 if (adapter->wol & IXGBE_WUFC_EX)
2101 wol->wolopts |= WAKE_UCAST;
2102 if (adapter->wol & IXGBE_WUFC_MC)
2103 wol->wolopts |= WAKE_MCAST;
2104 if (adapter->wol & IXGBE_WUFC_BC)
2105 wol->wolopts |= WAKE_BCAST;
2106 if (adapter->wol & IXGBE_WUFC_MAG)
2107 wol->wolopts |= WAKE_MAGIC;
9a799d71
AK		 2108}
2109
e63d9762
PW		 2110static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
2111{
2112 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2113
2114 if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
2115 return -EOPNOTSUPP;
2116
d6c519e1
AD		 2117 if (ixgbe_wol_exclusion(adapter, wol))
2118 return wol->wolopts ? -EOPNOTSUPP : 0;
2119
e63d9762
PW		 2120 adapter->wol = 0;
2121
2122 if (wol->wolopts & WAKE_UCAST)
2123 adapter->wol |= IXGBE_WUFC_EX;
2124 if (wol->wolopts & WAKE_MCAST)
2125 adapter->wol |= IXGBE_WUFC_MC;
2126 if (wol->wolopts & WAKE_BCAST)
2127 adapter->wol |= IXGBE_WUFC_BC;
2128 if (wol->wolopts & WAKE_MAGIC)
2129 adapter->wol |= IXGBE_WUFC_MAG;
2130
2131 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
2132
2133 return 0;
2134}
2135
9a799d71
AK		 2136static int ixgbe_nway_reset(struct net_device *netdev)
2137{
2138 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2139
d4f80882
AV		 2140 if (netif_running(netdev))
2141 ixgbe_reinit_locked(adapter);
9a799d71
AK		 2142
2143 return 0;
2144}
2145
66e6961c
ET		 2146static int ixgbe_set_phys_id(struct net_device *netdev,
2147 enum ethtool_phys_id_state state)
9a799d71
AK		 2148{
2149 struct ixgbe_adapter *adapter = netdev_priv(netdev);
c44ade9e 2150 struct ixgbe_hw *hw = &adapter->hw;
9a799d71 2151
66e6961c
ET		 2152 switch (state) {
2153 case ETHTOOL_ID_ACTIVE:
2154 adapter->led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
2155 return 2;
9a799d71 2156
66e6961c 2157 case ETHTOOL_ID_ON:
c44ade9e 2158 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
66e6961c
ET		 2159 break;
2160
2161 case ETHTOOL_ID_OFF:
c44ade9e 2162 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
66e6961c 2163 break;
9a799d71 2164
66e6961c
ET		 2165 case ETHTOOL_ID_INACTIVE:
2166 /* Restore LED settings */
2167 IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, adapter->led_reg);
2168 break;
2169 }
9a799d71
AK		 2170
2171 return 0;
2172}
2173
2174static int ixgbe_get_coalesce(struct net_device *netdev,
e7cf745b 2175 struct ethtool_coalesce *ec)
9a799d71
AK		 2176{
2177 struct ixgbe_adapter *adapter = netdev_priv(netdev);
2178
30efa5a3 2179 /* only valid if in constant ITR mode */
d5bf4f67
ET		 2180 if (adapter->rx_itr_setting <= 1)
2181 ec->rx_coalesce_usecs = adapter->rx_itr_setting;
2182 else
2183 ec->rx_coalesce_usecs = adapter->rx_itr_setting >> 2;
f7554a2b 2184
cfb3f91a 2185 /* if in mixed tx/rx queues per vector mode, report only rx settings */
08c8833b 2186 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
cfb3f91a
SN		 2187 return 0;
2188
f7554a2b 2189 /* only valid if in constant ITR mode */
d5bf4f67
ET		 2190 if (adapter->tx_itr_setting <= 1)
2191 ec->tx_coalesce_usecs = adapter->tx_itr_setting;
2192 else
2193 ec->tx_coalesce_usecs = adapter->tx_itr_setting >> 2;
f7554a2b 2194
9a799d71
AK		 2195 return 0;
2196}
2197
80fba3f4
AD		 2198/*
2199 * this function must be called before setting the new value of
2200 * rx_itr_setting
2201 */
567d2de2 2202static bool ixgbe_update_rsc(struct ixgbe_adapter *adapter)
80fba3f4
AD		 2203{
2204 struct net_device *netdev = adapter->netdev;
2205
567d2de2
AD		 2206 /* nothing to do if LRO or RSC are not enabled */
2207 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_CAPABLE) ||
2208 !(netdev->features & NETIF_F_LRO))
80fba3f4
AD		 2209 return false;
2210
567d2de2
AD		 2211 /* check the feature flag value and enable RSC if necessary */
2212 if (adapter->rx_itr_setting == 1 ||
2213 adapter->rx_itr_setting > IXGBE_MIN_RSC_ITR) {
2214 if (!(adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED)) {
80fba3f4 2215 adapter->flags2 |= IXGBE_FLAG2_RSC_ENABLED;
6ec1b71f 2216 e_info(probe, "rx-usecs value high enough to re-enable RSC\n");
80fba3f4
AD		 2217 return true;
2218 }
567d2de2
AD		 2219 /* if interrupt rate is too high then disable RSC */
2220 } else if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
2221 adapter->flags2 &= ~IXGBE_FLAG2_RSC_ENABLED;
2222 e_info(probe, "rx-usecs set too low, disabling RSC\n");
2223 return true;
80fba3f4
AD		 2224 }
2225 return false;
2226}
2227
9a799d71 2228static int ixgbe_set_coalesce(struct net_device *netdev,
e7cf745b 2229 struct ethtool_coalesce *ec)
9a799d71
AK		 2230{
2231 struct ixgbe_adapter *adapter = netdev_priv(netdev);
237057ad 2232 struct ixgbe_q_vector *q_vector;
30efa5a3 2233 int i;
67da097e 2234 u16 tx_itr_param, rx_itr_param, tx_itr_prev;
ef021194 2235 bool need_reset = false;
9a799d71 2236
67da097e
ET		 2237 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count) {
2238 /* reject Tx specific changes in case of mixed RxTx vectors */
2239 if (ec->tx_coalesce_usecs)
2240 return -EINVAL;
2241 tx_itr_prev = adapter->rx_itr_setting;
2242 } else {
2243 tx_itr_prev = adapter->tx_itr_setting;
2244 }
f7554a2b 2245
d5bf4f67
ET		 2246 if ((ec->rx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)) ||
2247 (ec->tx_coalesce_usecs > (IXGBE_MAX_EITR >> 2)))
2248 return -EINVAL;
30efa5a3 2249
d5bf4f67
ET		 2250 if (ec->rx_coalesce_usecs > 1)
2251 adapter->rx_itr_setting = ec->rx_coalesce_usecs << 2;
2252 else
2253 adapter->rx_itr_setting = ec->rx_coalesce_usecs;
f7554a2b 2254
d5bf4f67
ET		 2255 if (adapter->rx_itr_setting == 1)
2256 rx_itr_param = IXGBE_20K_ITR;
2257 else
2258 rx_itr_param = adapter->rx_itr_setting;
f7554a2b 2259
d5bf4f67
ET		 2260 if (ec->tx_coalesce_usecs > 1)
2261 adapter->tx_itr_setting = ec->tx_coalesce_usecs << 2;
2262 else
2263 adapter->tx_itr_setting = ec->tx_coalesce_usecs;
f7554a2b 2264
d5bf4f67
ET		 2265 if (adapter->tx_itr_setting == 1)
2266 tx_itr_param = IXGBE_10K_ITR;
2267 else
2268 tx_itr_param = adapter->tx_itr_setting;
f7554a2b 2269
67da097e
ET		 2270 /* mixed Rx/Tx */
2271 if (adapter->q_vector[0]->tx.count && adapter->q_vector[0]->rx.count)
2272 adapter->tx_itr_setting = adapter->rx_itr_setting;
2273
67da097e 2274 /* detect ITR changes that require update of TXDCTL.WTHRESH */
2e010381 2275 if ((adapter->tx_itr_setting != 1) &&
67da097e
ET		 2276 (adapter->tx_itr_setting < IXGBE_100K_ITR)) {
2277 if ((tx_itr_prev == 1) ||
2e010381 2278 (tx_itr_prev >= IXGBE_100K_ITR))
67da097e
ET		 2279 need_reset = true;
2280 } else {
2e010381 2281 if ((tx_itr_prev != 1) &&
67da097e
ET		 2282 (tx_itr_prev < IXGBE_100K_ITR))
2283 need_reset = true;
2284 }
ffefa9f6 2285
567d2de2 2286 /* check the old value and enable RSC if necessary */
67da097e 2287 need_reset |= ixgbe_update_rsc(adapter);
567d2de2 2288
49c7ffbe 2289 for (i = 0; i < adapter->num_q_vectors; i++) {
d5bf4f67 2290 q_vector = adapter->q_vector[i];
d5bf4f67
ET		 2291 if (q_vector->tx.count && !q_vector->rx.count)
2292 /* tx only */
2293 q_vector->itr = tx_itr_param;
2294 else
2295 /* rx only or mixed */
2296 q_vector->itr = rx_itr_param;
fe49f04a 2297 ixgbe_write_eitr(q_vector);
9a799d71
AK		 2298 }
2299
ef021194
JB		 2300 /*
2301 * do reset here at the end to make sure EITR==0 case is handled
2302 * correctly w.r.t stopping tx, and changing TXDCTL.WTHRESH settings
2303 * also locks in RSC enable/disable which requires reset
2304 */
c988ee82
ET		 2305 if (need_reset)
2306 ixgbe_do_reset(netdev);
ef021194 2307
9a799d71
AK		 2308 return 0;
2309}
2310
3e05334f
AD		 2311static int ixgbe_get_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2312 struct ethtool_rxnfc *cmd)
2313{
2314 union ixgbe_atr_input *mask = &adapter->fdir_mask;
2315 struct ethtool_rx_flow_spec *fsp =
2316 (struct ethtool_rx_flow_spec *)&cmd->fs;
b67bfe0d 2317 struct hlist_node *node2;
3e05334f
AD		 2318 struct ixgbe_fdir_filter *rule = NULL;
2319
2320 /* report total rule count */
2321 cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2322
b67bfe0d 2323 hlist_for_each_entry_safe(rule, node2,
3e05334f
AD		 2324 &adapter->fdir_filter_list, fdir_node) {
2325 if (fsp->location <= rule->sw_idx)
2326 break;
2327 }
2328
2329 if (!rule || fsp->location != rule->sw_idx)
2330 return -EINVAL;
2331
2332 /* fill out the flow spec entry */
2333
2334 /* set flow type field */
2335 switch (rule->filter.formatted.flow_type) {
2336 case IXGBE_ATR_FLOW_TYPE_TCPV4:
2337 fsp->flow_type = TCP_V4_FLOW;
2338 break;
2339 case IXGBE_ATR_FLOW_TYPE_UDPV4:
2340 fsp->flow_type = UDP_V4_FLOW;
2341 break;
2342 case IXGBE_ATR_FLOW_TYPE_SCTPV4:
2343 fsp->flow_type = SCTP_V4_FLOW;
2344 break;
2345 case IXGBE_ATR_FLOW_TYPE_IPV4:
2346 fsp->flow_type = IP_USER_FLOW;
2347 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2348 fsp->h_u.usr_ip4_spec.proto = 0;
2349 fsp->m_u.usr_ip4_spec.proto = 0;
2350 break;
2351 default:
2352 return -EINVAL;
2353 }
2354
2355 fsp->h_u.tcp_ip4_spec.psrc = rule->filter.formatted.src_port;
2356 fsp->m_u.tcp_ip4_spec.psrc = mask->formatted.src_port;
2357 fsp->h_u.tcp_ip4_spec.pdst = rule->filter.formatted.dst_port;
2358 fsp->m_u.tcp_ip4_spec.pdst = mask->formatted.dst_port;
2359 fsp->h_u.tcp_ip4_spec.ip4src = rule->filter.formatted.src_ip[0];
2360 fsp->m_u.tcp_ip4_spec.ip4src = mask->formatted.src_ip[0];
2361 fsp->h_u.tcp_ip4_spec.ip4dst = rule->filter.formatted.dst_ip[0];
2362 fsp->m_u.tcp_ip4_spec.ip4dst = mask->formatted.dst_ip[0];
2363 fsp->h_ext.vlan_tci = rule->filter.formatted.vlan_id;
2364 fsp->m_ext.vlan_tci = mask->formatted.vlan_id;
2365 fsp->h_ext.vlan_etype = rule->filter.formatted.flex_bytes;
2366 fsp->m_ext.vlan_etype = mask->formatted.flex_bytes;
2367 fsp->h_ext.data[1] = htonl(rule->filter.formatted.vm_pool);
2368 fsp->m_ext.data[1] = htonl(mask->formatted.vm_pool);
2369 fsp->flow_type |= FLOW_EXT;
2370
2371 /* record action */
2372 if (rule->action == IXGBE_FDIR_DROP_QUEUE)
2373 fsp->ring_cookie = RX_CLS_FLOW_DISC;
2374 else
2375 fsp->ring_cookie = rule->action;
2376
2377 return 0;
2378}
2379
2380static int ixgbe_get_ethtool_fdir_all(struct ixgbe_adapter *adapter,
2381 struct ethtool_rxnfc *cmd,
2382 u32 *rule_locs)
2383{
b67bfe0d 2384 struct hlist_node *node2;
3e05334f
AD		 2385 struct ixgbe_fdir_filter *rule;
2386 int cnt = 0;
2387
2388 /* report total rule count */
2389 cmd->data = (1024 << adapter->fdir_pballoc) - 2;
2390
b67bfe0d 2391 hlist_for_each_entry_safe(rule, node2,
3e05334f
AD		 2392 &adapter->fdir_filter_list, fdir_node) {
2393 if (cnt == cmd->rule_cnt)
2394 return -EMSGSIZE;
2395 rule_locs[cnt] = rule->sw_idx;
2396 cnt++;
2397 }
2398
473e64ee
BH		 2399 cmd->rule_cnt = cnt;
2400
3e05334f
AD		 2401 return 0;
2402}
2403
ef6afc0c
AD		 2404static int ixgbe_get_rss_hash_opts(struct ixgbe_adapter *adapter,
2405 struct ethtool_rxnfc *cmd)
2406{
2407 cmd->data = 0;
2408
ef6afc0c
AD		 2409 /* Report default options for RSS on ixgbe */
2410 switch (cmd->flow_type) {
2411 case TCP_V4_FLOW:
2412 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
3bf2379a 2413 /* fallthrough */
ef6afc0c
AD		 2414 case UDP_V4_FLOW:
2415 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2416 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
3bf2379a 2417 /* fallthrough */
ef6afc0c
AD		 2418 case SCTP_V4_FLOW:
2419 case AH_ESP_V4_FLOW:
2420 case AH_V4_FLOW:
2421 case ESP_V4_FLOW:
2422 case IPV4_FLOW:
2423 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2424 break;
2425 case TCP_V6_FLOW:
2426 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
3bf2379a 2427 /* fallthrough */
ef6afc0c
AD		 2428 case UDP_V6_FLOW:
2429 if (adapter->flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2430 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
3bf2379a 2431 /* fallthrough */
ef6afc0c
AD		 2432 case SCTP_V6_FLOW:
2433 case AH_ESP_V6_FLOW:
2434 case AH_V6_FLOW:
2435 case ESP_V6_FLOW:
2436 case IPV6_FLOW:
2437 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2438 break;
2439 default:
2440 return -EINVAL;
2441 }
2442
2443 return 0;
2444}
2445
91cd94bf 2446static int ixgbe_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
815c7db5 2447 u32 *rule_locs)
91cd94bf
AD		 2448{
2449 struct ixgbe_adapter *adapter = netdev_priv(dev);
2450 int ret = -EOPNOTSUPP;
2451
2452 switch (cmd->cmd) {
2453 case ETHTOOL_GRXRINGS:
2454 cmd->data = adapter->num_rx_queues;
2455 ret = 0;
2456 break;
3e05334f
AD		 2457 case ETHTOOL_GRXCLSRLCNT:
2458 cmd->rule_cnt = adapter->fdir_filter_count;
2459 ret = 0;
2460 break;
2461 case ETHTOOL_GRXCLSRULE:
2462 ret = ixgbe_get_ethtool_fdir_entry(adapter, cmd);
2463 break;
2464 case ETHTOOL_GRXCLSRLALL:
815c7db5 2465 ret = ixgbe_get_ethtool_fdir_all(adapter, cmd, rule_locs);
3e05334f 2466 break;
ef6afc0c
AD		 2467 case ETHTOOL_GRXFH:
2468 ret = ixgbe_get_rss_hash_opts(adapter, cmd);
2469 break;
91cd94bf
AD		 2470 default:
2471 break;
2472 }
2473
2474 return ret;
2475}
2476
e4911d57
AD		 2477static int ixgbe_update_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2478 struct ixgbe_fdir_filter *input,
2479 u16 sw_idx)
2480{
2481 struct ixgbe_hw *hw = &adapter->hw;
b67bfe0d
SL		 2482 struct hlist_node *node2;
2483 struct ixgbe_fdir_filter *rule, *parent;
e4911d57
AD		 2484 int err = -EINVAL;
2485
2486 parent = NULL;
2487 rule = NULL;
2488
b67bfe0d 2489 hlist_for_each_entry_safe(rule, node2,
e4911d57
AD		 2490 &adapter->fdir_filter_list, fdir_node) {
2491 /* hash found, or no matching entry */
2492 if (rule->sw_idx >= sw_idx)
2493 break;
b67bfe0d 2494 parent = rule;
e4911d57
AD		 2495 }
2496
2497 /* if there is an old rule occupying our place remove it */
2498 if (rule && (rule->sw_idx == sw_idx)) {
2499 if (!input || (rule->filter.formatted.bkt_hash !=
2500 input->filter.formatted.bkt_hash)) {
2501 err = ixgbe_fdir_erase_perfect_filter_82599(hw,
2502 &rule->filter,
2503 sw_idx);
2504 }
2505
2506 hlist_del(&rule->fdir_node);
2507 kfree(rule);
2508 adapter->fdir_filter_count--;
2509 }
2510
2511 /*
2512 * If no input this was a delete, err should be 0 if a rule was
2513 * successfully found and removed from the list else -EINVAL
2514 */
2515 if (!input)
2516 return err;
2517
2518 /* initialize node and set software index */
2519 INIT_HLIST_NODE(&input->fdir_node);
2520
2521 /* add filter to the list */
2522 if (parent)
1d023284 2523 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
e4911d57
AD		 2524 else
2525 hlist_add_head(&input->fdir_node,
2526 &adapter->fdir_filter_list);
2527
2528 /* update counts */
2529 adapter->fdir_filter_count++;
2530
2531 return 0;
2532}
2533
2534static int ixgbe_flowspec_to_flow_type(struct ethtool_rx_flow_spec *fsp,
2535 u8 *flow_type)
2536{
2537 switch (fsp->flow_type & ~FLOW_EXT) {
2538 case TCP_V4_FLOW:
2539 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2540 break;
2541 case UDP_V4_FLOW:
2542 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2543 break;
2544 case SCTP_V4_FLOW:
2545 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2546 break;
2547 case IP_USER_FLOW:
2548 switch (fsp->h_u.usr_ip4_spec.proto) {
2549 case IPPROTO_TCP:
2550 *flow_type = IXGBE_ATR_FLOW_TYPE_TCPV4;
2551 break;
2552 case IPPROTO_UDP:
2553 *flow_type = IXGBE_ATR_FLOW_TYPE_UDPV4;
2554 break;
2555 case IPPROTO_SCTP:
2556 *flow_type = IXGBE_ATR_FLOW_TYPE_SCTPV4;
2557 break;
2558 case 0:
2559 if (!fsp->m_u.usr_ip4_spec.proto) {
2560 *flow_type = IXGBE_ATR_FLOW_TYPE_IPV4;
2561 break;
2562 }
2563 default:
2564 return 0;
2565 }
2566 break;
2567 default:
2568 return 0;
2569 }
2570
2571 return 1;
2572}
2573
2574static int ixgbe_add_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2575 struct ethtool_rxnfc *cmd)
2576{
2577 struct ethtool_rx_flow_spec *fsp =
2578 (struct ethtool_rx_flow_spec *)&cmd->fs;
2579 struct ixgbe_hw *hw = &adapter->hw;
2580 struct ixgbe_fdir_filter *input;
2581 union ixgbe_atr_input mask;
2582 int err;
2583
2584 if (!(adapter->flags & IXGBE_FLAG_FDIR_PERFECT_CAPABLE))
2585 return -EOPNOTSUPP;
2586
2587 /*
2588 * Don't allow programming if the action is a queue greater than
2589 * the number of online Rx queues.
2590 */
2591 if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2592 (fsp->ring_cookie >= adapter->num_rx_queues))
2593 return -EINVAL;
2594
2595 /* Don't allow indexes to exist outside of available space */
2596 if (fsp->location >= ((1024 << adapter->fdir_pballoc) - 2)) {
2597 e_err(drv, "Location out of range\n");
2598 return -EINVAL;
2599 }
2600
2601 input = kzalloc(sizeof(*input), GFP_ATOMIC);
2602 if (!input)
2603 return -ENOMEM;
2604
2605 memset(&mask, 0, sizeof(union ixgbe_atr_input));
2606
2607 /* set SW index */
2608 input->sw_idx = fsp->location;
2609
2610 /* record flow type */
2611 if (!ixgbe_flowspec_to_flow_type(fsp,
2612 &input->filter.formatted.flow_type)) {
2613 e_err(drv, "Unrecognized flow type\n");
2614 goto err_out;
2615 }
2616
2617 mask.formatted.flow_type = IXGBE_ATR_L4TYPE_IPV6_MASK |
2618 IXGBE_ATR_L4TYPE_MASK;
2619
2620 if (input->filter.formatted.flow_type == IXGBE_ATR_FLOW_TYPE_IPV4)
2621 mask.formatted.flow_type &= IXGBE_ATR_L4TYPE_IPV6_MASK;
2622
2623 /* Copy input into formatted structures */
2624 input->filter.formatted.src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2625 mask.formatted.src_ip[0] = fsp->m_u.tcp_ip4_spec.ip4src;
2626 input->filter.formatted.dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2627 mask.formatted.dst_ip[0] = fsp->m_u.tcp_ip4_spec.ip4dst;
2628 input->filter.formatted.src_port = fsp->h_u.tcp_ip4_spec.psrc;
2629 mask.formatted.src_port = fsp->m_u.tcp_ip4_spec.psrc;
2630 input->filter.formatted.dst_port = fsp->h_u.tcp_ip4_spec.pdst;
2631 mask.formatted.dst_port = fsp->m_u.tcp_ip4_spec.pdst;
2632
2633 if (fsp->flow_type & FLOW_EXT) {
2634 input->filter.formatted.vm_pool =
2635 (unsigned char)ntohl(fsp->h_ext.data[1]);
2636 mask.formatted.vm_pool =
2637 (unsigned char)ntohl(fsp->m_ext.data[1]);
2638 input->filter.formatted.vlan_id = fsp->h_ext.vlan_tci;
2639 mask.formatted.vlan_id = fsp->m_ext.vlan_tci;
2640 input->filter.formatted.flex_bytes =
2641 fsp->h_ext.vlan_etype;
2642 mask.formatted.flex_bytes = fsp->m_ext.vlan_etype;
2643 }
2644
2645 /* determine if we need to drop or route the packet */
2646 if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2647 input->action = IXGBE_FDIR_DROP_QUEUE;
2648 else
2649 input->action = fsp->ring_cookie;
2650
2651 spin_lock(&adapter->fdir_perfect_lock);
2652
2653 if (hlist_empty(&adapter->fdir_filter_list)) {
2654 /* save mask and program input mask into HW */
2655 memcpy(&adapter->fdir_mask, &mask, sizeof(mask));
2656 err = ixgbe_fdir_set_input_mask_82599(hw, &mask);
2657 if (err) {
2658 e_err(drv, "Error writing mask\n");
2659 goto err_out_w_lock;
2660 }
2661 } else if (memcmp(&adapter->fdir_mask, &mask, sizeof(mask))) {
2662 e_err(drv, "Only one mask supported per port\n");
2663 goto err_out_w_lock;
2664 }
2665
2666 /* apply mask and compute/store hash */
2667 ixgbe_atr_compute_perfect_hash_82599(&input->filter, &mask);
2668
2669 /* program filters to filter memory */
2670 err = ixgbe_fdir_write_perfect_filter_82599(hw,
2671 &input->filter, input->sw_idx,
1f4d5183
AD		 2672 (input->action == IXGBE_FDIR_DROP_QUEUE) ?
2673 IXGBE_FDIR_DROP_QUEUE :
e4911d57
AD		 2674 adapter->rx_ring[input->action]->reg_idx);
2675 if (err)
2676 goto err_out_w_lock;
2677
2678 ixgbe_update_ethtool_fdir_entry(adapter, input, input->sw_idx);
2679
2680 spin_unlock(&adapter->fdir_perfect_lock);
2681
2682 return err;
2683err_out_w_lock:
2684 spin_unlock(&adapter->fdir_perfect_lock);
2685err_out:
2686 kfree(input);
2687 return -EINVAL;
2688}
2689
2690static int ixgbe_del_ethtool_fdir_entry(struct ixgbe_adapter *adapter,
2691 struct ethtool_rxnfc *cmd)
2692{
2693 struct ethtool_rx_flow_spec *fsp =
2694 (struct ethtool_rx_flow_spec *)&cmd->fs;
2695 int err;
2696
2697 spin_lock(&adapter->fdir_perfect_lock);
2698 err = ixgbe_update_ethtool_fdir_entry(adapter, NULL, fsp->location);
2699 spin_unlock(&adapter->fdir_perfect_lock);
2700
2701 return err;
2702}
2703
ef6afc0c
AD		 2704#define UDP_RSS_FLAGS (IXGBE_FLAG2_RSS_FIELD_IPV4_UDP | \
2705 IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2706static int ixgbe_set_rss_hash_opt(struct ixgbe_adapter *adapter,
2707 struct ethtool_rxnfc *nfc)
2708{
2709 u32 flags2 = adapter->flags2;
2710
2711 /*
2712 * RSS does not support anything other than hashing
2713 * to queues on src and dst IPs and ports
2714 */
2715 if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2716 RXH_L4_B_0_1 | RXH_L4_B_2_3))
2717 return -EINVAL;
2718
2719 switch (nfc->flow_type) {
2720 case TCP_V4_FLOW:
2721 case TCP_V6_FLOW:
2722 if (!(nfc->data & RXH_IP_SRC) ||
2723 !(nfc->data & RXH_IP_DST) ||
2724 !(nfc->data & RXH_L4_B_0_1) ||
2725 !(nfc->data & RXH_L4_B_2_3))
2726 return -EINVAL;
2727 break;
2728 case UDP_V4_FLOW:
2729 if (!(nfc->data & RXH_IP_SRC) ||
2730 !(nfc->data & RXH_IP_DST))
2731 return -EINVAL;
2732 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2733 case 0:
2734 flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2735 break;
2736 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2737 flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV4_UDP;
2738 break;
2739 default:
2740 return -EINVAL;
2741 }
2742 break;
2743 case UDP_V6_FLOW:
2744 if (!(nfc->data & RXH_IP_SRC) ||
2745 !(nfc->data & RXH_IP_DST))
2746 return -EINVAL;
2747 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2748 case 0:
2749 flags2 &= ~IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2750 break;
2751 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2752 flags2 |= IXGBE_FLAG2_RSS_FIELD_IPV6_UDP;
2753 break;
2754 default:
2755 return -EINVAL;
2756 }
2757 break;
2758 case AH_ESP_V4_FLOW:
2759 case AH_V4_FLOW:
2760 case ESP_V4_FLOW:
2761 case SCTP_V4_FLOW:
2762 case AH_ESP_V6_FLOW:
2763 case AH_V6_FLOW:
2764 case ESP_V6_FLOW:
2765 case SCTP_V6_FLOW:
2766 if (!(nfc->data & RXH_IP_SRC) ||
2767 !(nfc->data & RXH_IP_DST) ||
2768 (nfc->data & RXH_L4_B_0_1) ||
2769 (nfc->data & RXH_L4_B_2_3))
2770 return -EINVAL;
2771 break;
2772 default:
2773 return -EINVAL;
2774 }
2775
2776 /* if we changed something we need to update flags */
2777 if (flags2 != adapter->flags2) {
2778 struct ixgbe_hw *hw = &adapter->hw;
2779 u32 mrqc = IXGBE_READ_REG(hw, IXGBE_MRQC);
2780
2781 if ((flags2 & UDP_RSS_FLAGS) &&
2782 !(adapter->flags2 & UDP_RSS_FLAGS))
6ec1b71f 2783 e_warn(drv, "enabling UDP RSS: fragmented packets may arrive out of order to the stack above\n");
ef6afc0c
AD		 2784
2785 adapter->flags2 = flags2;
2786
2787 /* Perform hash on these packet types */
2788 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4
2789 | IXGBE_MRQC_RSS_FIELD_IPV4_TCP
2790 | IXGBE_MRQC_RSS_FIELD_IPV6
2791 | IXGBE_MRQC_RSS_FIELD_IPV6_TCP;
2792
2793 mrqc &= ~(IXGBE_MRQC_RSS_FIELD_IPV4_UDP |
2794 IXGBE_MRQC_RSS_FIELD_IPV6_UDP);
2795
2796 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV4_UDP)
2797 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV4_UDP;
2798
2799 if (flags2 & IXGBE_FLAG2_RSS_FIELD_IPV6_UDP)
2800 mrqc |= IXGBE_MRQC_RSS_FIELD_IPV6_UDP;
2801
2802 IXGBE_WRITE_REG(hw, IXGBE_MRQC, mrqc);
2803 }
2804
2805 return 0;
2806}
2807
e4911d57
AD		 2808static int ixgbe_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
2809{
2810 struct ixgbe_adapter *adapter = netdev_priv(dev);
2811 int ret = -EOPNOTSUPP;
2812
2813 switch (cmd->cmd) {
2814 case ETHTOOL_SRXCLSRLINS:
2815 ret = ixgbe_add_ethtool_fdir_entry(adapter, cmd);
2816 break;
2817 case ETHTOOL_SRXCLSRLDEL:
2818 ret = ixgbe_del_ethtool_fdir_entry(adapter, cmd);
2819 break;
ef6afc0c
AD		 2820 case ETHTOOL_SRXFH:
2821 ret = ixgbe_set_rss_hash_opt(adapter, cmd);
2822 break;
e4911d57
AD		 2823 default:
2824 break;
2825 }
2826
2827 return ret;
2828}
2829
e3aac889
JK		 2830static int ixgbe_get_ts_info(struct net_device *dev,
2831 struct ethtool_ts_info *info)
2832{
2833 struct ixgbe_adapter *adapter = netdev_priv(dev);
2834
2835 switch (adapter->hw.mac.type) {
e3aac889
JK		 2836 case ixgbe_mac_X540:
2837 case ixgbe_mac_82599EB:
2838 info->so_timestamping =
50f8d35d
JK		 2839 SOF_TIMESTAMPING_TX_SOFTWARE |
2840 SOF_TIMESTAMPING_RX_SOFTWARE |
2841 SOF_TIMESTAMPING_SOFTWARE |
e3aac889
JK		 2842 SOF_TIMESTAMPING_TX_HARDWARE |
2843 SOF_TIMESTAMPING_RX_HARDWARE |
2844 SOF_TIMESTAMPING_RAW_HARDWARE;
2845
2846 if (adapter->ptp_clock)
2847 info->phc_index = ptp_clock_index(adapter->ptp_clock);
2848 else
2849 info->phc_index = -1;
2850
2851 info->tx_types =
2852 (1 << HWTSTAMP_TX_OFF) |
2853 (1 << HWTSTAMP_TX_ON);
2854
2855 info->rx_filters =
2856 (1 << HWTSTAMP_FILTER_NONE) |
2857 (1 << HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
2858 (1 << HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
aeb82648
JK		 2859 (1 << HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
2860 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
2861 (1 << HWTSTAMP_FILTER_PTP_V2_SYNC) |
2862 (1 << HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
2863 (1 << HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
2864 (1 << HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
2865 (1 << HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ) |
2866 (1 << HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ) |
1cc92eb8 2867 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
e3aac889 2868 break;
e3aac889
JK		 2869 default:
2870 return ethtool_op_get_ts_info(dev, info);
e3aac889
JK		 2871 }
2872 return 0;
2873}
2874
5348c9db
AD		 2875static unsigned int ixgbe_max_channels(struct ixgbe_adapter *adapter)
2876{
2877 unsigned int max_combined;
2878 u8 tcs = netdev_get_num_tc(adapter->netdev);
2879
2880 if (!(adapter->flags & IXGBE_FLAG_MSIX_ENABLED)) {
2881 /* We only support one q_vector without MSI-X */
2882 max_combined = 1;
2883 } else if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
2884 /* SR-IOV currently only allows one queue on the PF */
2885 max_combined = 1;
2886 } else if (tcs > 1) {
2887 /* For DCB report channels per traffic class */
2888 if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
2889 /* 8 TC w/ 4 queues per TC */
2890 max_combined = 4;
2891 } else if (tcs > 4) {
2892 /* 8 TC w/ 8 queues per TC */
2893 max_combined = 8;
2894 } else {
2895 /* 4 TC w/ 16 queues per TC */
2896 max_combined = 16;
2897 }
2898 } else if (adapter->atr_sample_rate) {
2899 /* support up to 64 queues with ATR */
2900 max_combined = IXGBE_MAX_FDIR_INDICES;
2901 } else {
2902 /* support up to 16 queues with RSS */
2903 max_combined = IXGBE_MAX_RSS_INDICES;
2904 }
2905
2906 return max_combined;
2907}
2908
2909static void ixgbe_get_channels(struct net_device *dev,
2910 struct ethtool_channels *ch)
2911{
2912 struct ixgbe_adapter *adapter = netdev_priv(dev);
2913
2914 /* report maximum channels */
2915 ch->max_combined = ixgbe_max_channels(adapter);
2916
2917 /* report info for other vector */
2918 if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
2919 ch->max_other = NON_Q_VECTORS;
2920 ch->other_count = NON_Q_VECTORS;
2921 }
2922
2923 /* record RSS queues */
2924 ch->combined_count = adapter->ring_feature[RING_F_RSS].indices;
2925
2926 /* nothing else to report if RSS is disabled */
2927 if (ch->combined_count == 1)
2928 return;
2929
2930 /* we do not support ATR queueing if SR-IOV is enabled */
2931 if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
2932 return;
2933
2934 /* same thing goes for being DCB enabled */
2935 if (netdev_get_num_tc(dev) > 1)
2936 return;
2937
2938 /* if ATR is disabled we can exit */
2939 if (!adapter->atr_sample_rate)
2940 return;
2941
2942 /* report flow director queues as maximum channels */
2943 ch->combined_count = adapter->ring_feature[RING_F_FDIR].indices;
2944}
2945
4c696ca9
AD		 2946static int ixgbe_set_channels(struct net_device *dev,
2947 struct ethtool_channels *ch)
2948{
2949 struct ixgbe_adapter *adapter = netdev_priv(dev);
2950 unsigned int count = ch->combined_count;
2951
2952 /* verify they are not requesting separate vectors */
2953 if (!count || ch->rx_count || ch->tx_count)
2954 return -EINVAL;
2955
2956 /* verify other_count has not changed */
2957 if (ch->other_count != NON_Q_VECTORS)
2958 return -EINVAL;
2959
2960 /* verify the number of channels does not exceed hardware limits */
2961 if (count > ixgbe_max_channels(adapter))
2962 return -EINVAL;
2963
2964 /* update feature limits from largest to smallest supported values */
2965 adapter->ring_feature[RING_F_FDIR].limit = count;
2966
2967 /* cap RSS limit at 16 */
2968 if (count > IXGBE_MAX_RSS_INDICES)
2969 count = IXGBE_MAX_RSS_INDICES;
2970 adapter->ring_feature[RING_F_RSS].limit = count;
2971
2972#ifdef IXGBE_FCOE
2973 /* cap FCoE limit at 8 */
2974 if (count > IXGBE_FCRETA_SIZE)
2975 count = IXGBE_FCRETA_SIZE;
2976 adapter->ring_feature[RING_F_FCOE].limit = count;
2977
2978#endif
2979 /* use setup TC to update any traffic class queue mapping */
2980 return ixgbe_setup_tc(dev, netdev_get_num_tc(dev));
2981}
2982
71858acb
AG		 2983static int ixgbe_get_module_info(struct net_device *dev,
2984 struct ethtool_modinfo *modinfo)
2985{
2986 struct ixgbe_adapter *adapter = netdev_priv(dev);
2987 struct ixgbe_hw *hw = &adapter->hw;
2988 u32 status;
2989 u8 sff8472_rev, addr_mode;
71858acb
AG		 2990 bool page_swap = false;
2991
71858acb
AG		 2992 /* Check whether we support SFF-8472 or not */
2993 status = hw->phy.ops.read_i2c_eeprom(hw,
2994 IXGBE_SFF_SFF_8472_COMP,
2995 &sff8472_rev);
a4b6fc6b
ET		 2996 if (status != 0)
2997 return -EIO;
71858acb
AG		 2998
2999 /* addressing mode is not supported */
3000 status = hw->phy.ops.read_i2c_eeprom(hw,
3001 IXGBE_SFF_SFF_8472_SWAP,
3002 &addr_mode);
a4b6fc6b
ET		 3003 if (status != 0)
3004 return -EIO;
71858acb
AG		 3005
3006 if (addr_mode & IXGBE_SFF_ADDRESSING_MODE) {
3007 e_err(drv, "Address change required to access page 0xA2, but not supported. Please report the module type to the driver maintainers.\n");
3008 page_swap = true;
3009 }
3010
3011 if (sff8472_rev == IXGBE_SFF_SFF_8472_UNSUP || page_swap) {
3012 /* We have a SFP, but it does not support SFF-8472 */
3013 modinfo->type = ETH_MODULE_SFF_8079;
3014 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3015 } else {
3016 /* We have a SFP which supports a revision of SFF-8472. */
3017 modinfo->type = ETH_MODULE_SFF_8472;
3018 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3019 }
3020
a4b6fc6b 3021 return 0;
71858acb
AG		 3022}
3023
3024static int ixgbe_get_module_eeprom(struct net_device *dev,
3025 struct ethtool_eeprom *ee,
3026 u8 *data)
3027{
3028 struct ixgbe_adapter *adapter = netdev_priv(dev);
3029 struct ixgbe_hw *hw = &adapter->hw;
3030 u32 status = IXGBE_ERR_PHY_ADDR_INVALID;
3031 u8 databyte = 0xFF;
3032 int i = 0;
71858acb 3033
a4b6fc6b
ET		 3034 if (ee->len == 0)
3035 return -EINVAL;
71858acb 3036
31c7d2b0 3037 for (i = ee->offset; i < ee->offset + ee->len; i++) {
a4b6fc6b
ET		 3038 /* I2C reads can take long time */
3039 if (test_bit(__IXGBE_IN_SFP_INIT, &adapter->state))
3040 return -EBUSY;
71858acb 3041
a4b6fc6b 3042 if (i < ETH_MODULE_SFF_8079_LEN)
31c7d2b0 3043 status = hw->phy.ops.read_i2c_eeprom(hw, i, &databyte);
a4b6fc6b
ET		 3044 else
3045 status = hw->phy.ops.read_i2c_sff8472(hw, i, &databyte);
3046
3047 if (status != 0)
31c7d2b0 3048 return -EIO;
71858acb 3049
a4b6fc6b 3050 data[i - ee->offset] = databyte;
71858acb
AG		 3051 }
3052
31c7d2b0 3053 return 0;
71858acb
AG		 3054}
3055
b9804972 3056static const struct ethtool_ops ixgbe_ethtool_ops = {
9a799d71
AK		 3057 .get_settings = ixgbe_get_settings,
3058 .set_settings = ixgbe_set_settings,
3059 .get_drvinfo = ixgbe_get_drvinfo,
3060 .get_regs_len = ixgbe_get_regs_len,
3061 .get_regs = ixgbe_get_regs,
3062 .get_wol = ixgbe_get_wol,
e63d9762 3063 .set_wol = ixgbe_set_wol,
9a799d71
AK		 3064 .nway_reset = ixgbe_nway_reset,
3065 .get_link = ethtool_op_get_link,
3066 .get_eeprom_len = ixgbe_get_eeprom_len,
3067 .get_eeprom = ixgbe_get_eeprom,
2fa5eef4 3068 .set_eeprom = ixgbe_set_eeprom,
9a799d71
AK		 3069 .get_ringparam = ixgbe_get_ringparam,
3070 .set_ringparam = ixgbe_set_ringparam,
3071 .get_pauseparam = ixgbe_get_pauseparam,
3072 .set_pauseparam = ixgbe_set_pauseparam,
9a799d71
AK		 3073 .get_msglevel = ixgbe_get_msglevel,
3074 .set_msglevel = ixgbe_set_msglevel,
da4dd0f7 3075 .self_test = ixgbe_diag_test,
9a799d71 3076 .get_strings = ixgbe_get_strings,
66e6961c 3077 .set_phys_id = ixgbe_set_phys_id,
b4617240 3078 .get_sset_count = ixgbe_get_sset_count,
9a799d71
AK		 3079 .get_ethtool_stats = ixgbe_get_ethtool_stats,
3080 .get_coalesce = ixgbe_get_coalesce,
3081 .set_coalesce = ixgbe_set_coalesce,
91cd94bf 3082 .get_rxnfc = ixgbe_get_rxnfc,
e4911d57 3083 .set_rxnfc = ixgbe_set_rxnfc,
5348c9db 3084 .get_channels = ixgbe_get_channels,
4c696ca9 3085 .set_channels = ixgbe_set_channels,
e3aac889 3086 .get_ts_info = ixgbe_get_ts_info,
71858acb
AG		 3087 .get_module_info = ixgbe_get_module_info,
3088 .get_module_eeprom = ixgbe_get_module_eeprom,
9a799d71
AK		 3089};
3090
3091void ixgbe_set_ethtool_ops(struct net_device *netdev)
3092{
7ad24ea4 3093 netdev->ethtool_ops = &ixgbe_ethtool_ops;
9a799d71 3094}
Linux kernel - Deliverables
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