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92915f71 GR |
1 | /******************************************************************************* |
2 | ||
3 | Intel 82599 Virtual Function driver | |
5c47a2b6 | 4 | Copyright(c) 1999 - 2012 Intel Corporation. |
92915f71 GR |
5 | |
6 | This program is free software; you can redistribute it and/or modify it | |
7 | under the terms and conditions of the GNU General Public License, | |
8 | version 2, as published by the Free Software Foundation. | |
9 | ||
10 | This program is distributed in the hope it will be useful, but WITHOUT | |
11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License along with | |
16 | this program; if not, write to the Free Software Foundation, Inc., | |
17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | ||
19 | The full GNU General Public License is included in this distribution in | |
20 | the file called "COPYING". | |
21 | ||
22 | Contact Information: | |
23 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> | |
24 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
25 | ||
26 | *******************************************************************************/ | |
27 | ||
28 | /* ethtool support for ixgbevf */ | |
29 | ||
dbd9636e JK |
30 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
31 | ||
92915f71 GR |
32 | #include <linux/types.h> |
33 | #include <linux/module.h> | |
5a0e3ad6 | 34 | #include <linux/slab.h> |
92915f71 GR |
35 | #include <linux/pci.h> |
36 | #include <linux/netdevice.h> | |
37 | #include <linux/ethtool.h> | |
38 | #include <linux/vmalloc.h> | |
39 | #include <linux/if_vlan.h> | |
40 | #include <linux/uaccess.h> | |
41 | ||
42 | #include "ixgbevf.h" | |
43 | ||
44 | #define IXGBE_ALL_RAR_ENTRIES 16 | |
45 | ||
92915f71 GR |
46 | struct ixgbe_stats { |
47 | char stat_string[ETH_GSTRING_LEN]; | |
48 | int sizeof_stat; | |
49 | int stat_offset; | |
50 | int base_stat_offset; | |
33bd9f60 | 51 | int saved_reset_offset; |
92915f71 GR |
52 | }; |
53 | ||
33bd9f60 GR |
54 | #define IXGBEVF_STAT(m, b, r) sizeof(((struct ixgbevf_adapter *)0)->m), \ |
55 | offsetof(struct ixgbevf_adapter, m), \ | |
56 | offsetof(struct ixgbevf_adapter, b), \ | |
57 | offsetof(struct ixgbevf_adapter, r) | |
b47aca13 SH |
58 | |
59 | static const struct ixgbe_stats ixgbe_gstrings_stats[] = { | |
33bd9f60 GR |
60 | {"rx_packets", IXGBEVF_STAT(stats.vfgprc, stats.base_vfgprc, |
61 | stats.saved_reset_vfgprc)}, | |
62 | {"tx_packets", IXGBEVF_STAT(stats.vfgptc, stats.base_vfgptc, | |
63 | stats.saved_reset_vfgptc)}, | |
64 | {"rx_bytes", IXGBEVF_STAT(stats.vfgorc, stats.base_vfgorc, | |
65 | stats.saved_reset_vfgorc)}, | |
66 | {"tx_bytes", IXGBEVF_STAT(stats.vfgotc, stats.base_vfgotc, | |
67 | stats.saved_reset_vfgotc)}, | |
68 | {"tx_busy", IXGBEVF_STAT(tx_busy, zero_base, zero_base)}, | |
69 | {"multicast", IXGBEVF_STAT(stats.vfmprc, stats.base_vfmprc, | |
70 | stats.saved_reset_vfmprc)}, | |
71 | {"rx_csum_offload_good", IXGBEVF_STAT(hw_csum_rx_good, zero_base, | |
72 | zero_base)}, | |
73 | {"rx_csum_offload_errors", IXGBEVF_STAT(hw_csum_rx_error, zero_base, | |
74 | zero_base)}, | |
75 | {"tx_csum_offload_ctxt", IXGBEVF_STAT(hw_csum_tx_good, zero_base, | |
76 | zero_base)}, | |
92915f71 GR |
77 | }; |
78 | ||
79 | #define IXGBE_QUEUE_STATS_LEN 0 | |
80 | #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats) | |
81 | ||
82 | #define IXGBEVF_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + IXGBE_QUEUE_STATS_LEN) | |
92915f71 GR |
83 | static const char ixgbe_gstrings_test[][ETH_GSTRING_LEN] = { |
84 | "Register test (offline)", | |
85 | "Link test (on/offline)" | |
86 | }; | |
87 | #define IXGBE_TEST_LEN (sizeof(ixgbe_gstrings_test) / ETH_GSTRING_LEN) | |
92915f71 GR |
88 | |
89 | static int ixgbevf_get_settings(struct net_device *netdev, | |
90 | struct ethtool_cmd *ecmd) | |
91 | { | |
92 | struct ixgbevf_adapter *adapter = netdev_priv(netdev); | |
93 | struct ixgbe_hw *hw = &adapter->hw; | |
94 | u32 link_speed = 0; | |
95 | bool link_up; | |
96 | ||
97 | ecmd->supported = SUPPORTED_10000baseT_Full; | |
98 | ecmd->autoneg = AUTONEG_DISABLE; | |
99 | ecmd->transceiver = XCVR_DUMMY1; | |
100 | ecmd->port = -1; | |
101 | ||
aa19c295 | 102 | hw->mac.get_link_status = 1; |
92915f71 GR |
103 | hw->mac.ops.check_link(hw, &link_speed, &link_up, false); |
104 | ||
105 | if (link_up) { | |
31a1b375 GR |
106 | __u32 speed = SPEED_10000; |
107 | switch (link_speed) { | |
108 | case IXGBE_LINK_SPEED_10GB_FULL: | |
109 | speed = SPEED_10000; | |
110 | break; | |
111 | case IXGBE_LINK_SPEED_1GB_FULL: | |
112 | speed = SPEED_1000; | |
113 | break; | |
114 | case IXGBE_LINK_SPEED_100_FULL: | |
115 | speed = SPEED_100; | |
116 | break; | |
117 | } | |
118 | ||
119 | ethtool_cmd_speed_set(ecmd, speed); | |
92915f71 GR |
120 | ecmd->duplex = DUPLEX_FULL; |
121 | } else { | |
70739497 | 122 | ethtool_cmd_speed_set(ecmd, -1); |
92915f71 GR |
123 | ecmd->duplex = -1; |
124 | } | |
125 | ||
126 | return 0; | |
127 | } | |
128 | ||
92915f71 GR |
129 | static u32 ixgbevf_get_msglevel(struct net_device *netdev) |
130 | { | |
131 | struct ixgbevf_adapter *adapter = netdev_priv(netdev); | |
132 | return adapter->msg_enable; | |
133 | } | |
134 | ||
135 | static void ixgbevf_set_msglevel(struct net_device *netdev, u32 data) | |
136 | { | |
137 | struct ixgbevf_adapter *adapter = netdev_priv(netdev); | |
138 | adapter->msg_enable = data; | |
139 | } | |
140 | ||
141 | #define IXGBE_GET_STAT(_A_, _R_) (_A_->stats._R_) | |
142 | ||
143 | static char *ixgbevf_reg_names[] = { | |
144 | "IXGBE_VFCTRL", | |
145 | "IXGBE_VFSTATUS", | |
146 | "IXGBE_VFLINKS", | |
147 | "IXGBE_VFRXMEMWRAP", | |
6fb456a0 | 148 | "IXGBE_VFFRTIMER", |
92915f71 GR |
149 | "IXGBE_VTEICR", |
150 | "IXGBE_VTEICS", | |
151 | "IXGBE_VTEIMS", | |
152 | "IXGBE_VTEIMC", | |
153 | "IXGBE_VTEIAC", | |
154 | "IXGBE_VTEIAM", | |
155 | "IXGBE_VTEITR", | |
156 | "IXGBE_VTIVAR", | |
157 | "IXGBE_VTIVAR_MISC", | |
158 | "IXGBE_VFRDBAL0", | |
159 | "IXGBE_VFRDBAL1", | |
160 | "IXGBE_VFRDBAH0", | |
161 | "IXGBE_VFRDBAH1", | |
162 | "IXGBE_VFRDLEN0", | |
163 | "IXGBE_VFRDLEN1", | |
164 | "IXGBE_VFRDH0", | |
165 | "IXGBE_VFRDH1", | |
166 | "IXGBE_VFRDT0", | |
167 | "IXGBE_VFRDT1", | |
168 | "IXGBE_VFRXDCTL0", | |
169 | "IXGBE_VFRXDCTL1", | |
170 | "IXGBE_VFSRRCTL0", | |
171 | "IXGBE_VFSRRCTL1", | |
172 | "IXGBE_VFPSRTYPE", | |
173 | "IXGBE_VFTDBAL0", | |
174 | "IXGBE_VFTDBAL1", | |
175 | "IXGBE_VFTDBAH0", | |
176 | "IXGBE_VFTDBAH1", | |
177 | "IXGBE_VFTDLEN0", | |
178 | "IXGBE_VFTDLEN1", | |
179 | "IXGBE_VFTDH0", | |
180 | "IXGBE_VFTDH1", | |
181 | "IXGBE_VFTDT0", | |
182 | "IXGBE_VFTDT1", | |
183 | "IXGBE_VFTXDCTL0", | |
184 | "IXGBE_VFTXDCTL1", | |
185 | "IXGBE_VFTDWBAL0", | |
186 | "IXGBE_VFTDWBAL1", | |
187 | "IXGBE_VFTDWBAH0", | |
188 | "IXGBE_VFTDWBAH1" | |
189 | }; | |
190 | ||
191 | ||
192 | static int ixgbevf_get_regs_len(struct net_device *netdev) | |
193 | { | |
194 | return (ARRAY_SIZE(ixgbevf_reg_names)) * sizeof(u32); | |
195 | } | |
196 | ||
197 | static void ixgbevf_get_regs(struct net_device *netdev, | |
198 | struct ethtool_regs *regs, | |
199 | void *p) | |
200 | { | |
201 | struct ixgbevf_adapter *adapter = netdev_priv(netdev); | |
202 | struct ixgbe_hw *hw = &adapter->hw; | |
203 | u32 *regs_buff = p; | |
204 | u32 regs_len = ixgbevf_get_regs_len(netdev); | |
205 | u8 i; | |
206 | ||
207 | memset(p, 0, regs_len); | |
208 | ||
209 | regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id; | |
210 | ||
211 | /* General Registers */ | |
212 | regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_VFCTRL); | |
213 | regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_VFSTATUS); | |
214 | regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_VFLINKS); | |
215 | regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_VFRXMEMWRAP); | |
6fb456a0 | 216 | regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_VFFRTIMER); |
92915f71 GR |
217 | |
218 | /* Interrupt */ | |
219 | /* don't read EICR because it can clear interrupt causes, instead | |
220 | * read EICS which is a shadow but doesn't clear EICR */ | |
221 | regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_VTEICS); | |
222 | regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_VTEICS); | |
223 | regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_VTEIMS); | |
224 | regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_VTEIMC); | |
225 | regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_VTEIAC); | |
226 | regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_VTEIAM); | |
227 | regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_VTEITR(0)); | |
228 | regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_VTIVAR(0)); | |
229 | regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_VTIVAR_MISC); | |
230 | ||
231 | /* Receive DMA */ | |
232 | for (i = 0; i < 2; i++) | |
233 | regs_buff[14 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAL(i)); | |
234 | for (i = 0; i < 2; i++) | |
235 | regs_buff[16 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDBAH(i)); | |
236 | for (i = 0; i < 2; i++) | |
237 | regs_buff[18 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDLEN(i)); | |
238 | for (i = 0; i < 2; i++) | |
239 | regs_buff[20 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDH(i)); | |
240 | for (i = 0; i < 2; i++) | |
241 | regs_buff[22 + i] = IXGBE_READ_REG(hw, IXGBE_VFRDT(i)); | |
242 | for (i = 0; i < 2; i++) | |
243 | regs_buff[24 + i] = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i)); | |
244 | for (i = 0; i < 2; i++) | |
245 | regs_buff[26 + i] = IXGBE_READ_REG(hw, IXGBE_VFSRRCTL(i)); | |
246 | ||
247 | /* Receive */ | |
248 | regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_VFPSRTYPE); | |
249 | ||
250 | /* Transmit */ | |
251 | for (i = 0; i < 2; i++) | |
252 | regs_buff[29 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAL(i)); | |
253 | for (i = 0; i < 2; i++) | |
254 | regs_buff[31 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDBAH(i)); | |
255 | for (i = 0; i < 2; i++) | |
256 | regs_buff[33 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDLEN(i)); | |
257 | for (i = 0; i < 2; i++) | |
258 | regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDH(i)); | |
259 | for (i = 0; i < 2; i++) | |
260 | regs_buff[37 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDT(i)); | |
261 | for (i = 0; i < 2; i++) | |
262 | regs_buff[39 + i] = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i)); | |
263 | for (i = 0; i < 2; i++) | |
264 | regs_buff[41 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAL(i)); | |
265 | for (i = 0; i < 2; i++) | |
266 | regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_VFTDWBAH(i)); | |
267 | ||
268 | for (i = 0; i < ARRAY_SIZE(ixgbevf_reg_names); i++) | |
269 | hw_dbg(hw, "%s\t%8.8x\n", ixgbevf_reg_names[i], regs_buff[i]); | |
270 | } | |
271 | ||
272 | static void ixgbevf_get_drvinfo(struct net_device *netdev, | |
273 | struct ethtool_drvinfo *drvinfo) | |
274 | { | |
275 | struct ixgbevf_adapter *adapter = netdev_priv(netdev); | |
276 | ||
84b40501 RJ |
277 | strlcpy(drvinfo->driver, ixgbevf_driver_name, sizeof(drvinfo->driver)); |
278 | strlcpy(drvinfo->version, ixgbevf_driver_version, | |
279 | sizeof(drvinfo->version)); | |
280 | strlcpy(drvinfo->bus_info, pci_name(adapter->pdev), | |
281 | sizeof(drvinfo->bus_info)); | |
92915f71 GR |
282 | } |
283 | ||
284 | static void ixgbevf_get_ringparam(struct net_device *netdev, | |
285 | struct ethtool_ringparam *ring) | |
286 | { | |
287 | struct ixgbevf_adapter *adapter = netdev_priv(netdev); | |
92915f71 GR |
288 | |
289 | ring->rx_max_pending = IXGBEVF_MAX_RXD; | |
290 | ring->tx_max_pending = IXGBEVF_MAX_TXD; | |
eb022d05 AD |
291 | ring->rx_pending = adapter->rx_ring_count; |
292 | ring->tx_pending = adapter->tx_ring_count; | |
92915f71 GR |
293 | } |
294 | ||
295 | static int ixgbevf_set_ringparam(struct net_device *netdev, | |
296 | struct ethtool_ringparam *ring) | |
297 | { | |
298 | struct ixgbevf_adapter *adapter = netdev_priv(netdev); | |
299 | struct ixgbevf_ring *tx_ring = NULL, *rx_ring = NULL; | |
92915f71 | 300 | u32 new_rx_count, new_tx_count; |
eb022d05 | 301 | int i, err = 0; |
92915f71 GR |
302 | |
303 | if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) | |
304 | return -EINVAL; | |
305 | ||
eb022d05 AD |
306 | new_tx_count = max_t(u32, ring->tx_pending, IXGBEVF_MIN_TXD); |
307 | new_tx_count = min_t(u32, new_tx_count, IXGBEVF_MAX_TXD); | |
92915f71 GR |
308 | new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE); |
309 | ||
eb022d05 AD |
310 | new_rx_count = max_t(u32, ring->rx_pending, IXGBEVF_MIN_RXD); |
311 | new_rx_count = min_t(u32, new_rx_count, IXGBEVF_MAX_RXD); | |
312 | new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE); | |
313 | ||
314 | /* if nothing to do return success */ | |
315 | if ((new_tx_count == adapter->tx_ring_count) && | |
316 | (new_rx_count == adapter->rx_ring_count)) | |
92915f71 | 317 | return 0; |
92915f71 GR |
318 | |
319 | while (test_and_set_bit(__IXGBEVF_RESETTING, &adapter->state)) | |
eb022d05 | 320 | usleep_range(1000, 2000); |
92915f71 | 321 | |
bba50b99 GR |
322 | if (!netif_running(adapter->netdev)) { |
323 | for (i = 0; i < adapter->num_tx_queues; i++) | |
324 | adapter->tx_ring[i].count = new_tx_count; | |
325 | for (i = 0; i < adapter->num_rx_queues; i++) | |
326 | adapter->rx_ring[i].count = new_rx_count; | |
327 | adapter->tx_ring_count = new_tx_count; | |
328 | adapter->rx_ring_count = new_rx_count; | |
329 | goto clear_reset; | |
92915f71 GR |
330 | } |
331 | ||
eb022d05 AD |
332 | if (new_tx_count != adapter->tx_ring_count) { |
333 | tx_ring = vmalloc(adapter->num_tx_queues * sizeof(*tx_ring)); | |
334 | if (!tx_ring) { | |
335 | err = -ENOMEM; | |
336 | goto clear_reset; | |
337 | } | |
bba50b99 | 338 | |
eb022d05 AD |
339 | for (i = 0; i < adapter->num_tx_queues; i++) { |
340 | /* clone ring and setup updated count */ | |
341 | tx_ring[i] = adapter->tx_ring[i]; | |
342 | tx_ring[i].count = new_tx_count; | |
343 | err = ixgbevf_setup_tx_resources(adapter, &tx_ring[i]); | |
344 | if (!err) | |
345 | continue; | |
bba50b99 GR |
346 | while (i) { |
347 | i--; | |
fb40195c | 348 | ixgbevf_free_tx_resources(adapter, &tx_ring[i]); |
bba50b99 | 349 | } |
eb022d05 AD |
350 | |
351 | vfree(tx_ring); | |
352 | tx_ring = NULL; | |
353 | ||
354 | goto clear_reset; | |
bba50b99 | 355 | } |
92915f71 GR |
356 | } |
357 | ||
eb022d05 AD |
358 | if (new_rx_count != adapter->rx_ring_count) { |
359 | rx_ring = vmalloc(adapter->num_rx_queues * sizeof(*rx_ring)); | |
360 | if (!rx_ring) { | |
361 | err = -ENOMEM; | |
362 | goto clear_reset; | |
363 | } | |
364 | ||
365 | for (i = 0; i < adapter->num_rx_queues; i++) { | |
366 | /* clone ring and setup updated count */ | |
367 | rx_ring[i] = adapter->rx_ring[i]; | |
368 | rx_ring[i].count = new_rx_count; | |
369 | err = ixgbevf_setup_rx_resources(adapter, &rx_ring[i]); | |
370 | if (!err) | |
371 | continue; | |
bba50b99 GR |
372 | while (i) { |
373 | i--; | |
fb40195c | 374 | ixgbevf_free_rx_resources(adapter, &rx_ring[i]); |
bba50b99 | 375 | } |
eb022d05 AD |
376 | |
377 | vfree(rx_ring); | |
378 | rx_ring = NULL; | |
379 | ||
380 | goto clear_reset; | |
bba50b99 | 381 | } |
92915f71 GR |
382 | } |
383 | ||
eb022d05 AD |
384 | /* bring interface down to prepare for update */ |
385 | ixgbevf_down(adapter); | |
bba50b99 | 386 | |
eb022d05 AD |
387 | /* Tx */ |
388 | if (tx_ring) { | |
389 | for (i = 0; i < adapter->num_tx_queues; i++) { | |
390 | ixgbevf_free_tx_resources(adapter, | |
391 | &adapter->tx_ring[i]); | |
392 | adapter->tx_ring[i] = tx_ring[i]; | |
393 | } | |
394 | adapter->tx_ring_count = new_tx_count; | |
bba50b99 | 395 | |
eb022d05 AD |
396 | vfree(tx_ring); |
397 | tx_ring = NULL; | |
398 | } | |
bba50b99 | 399 | |
eb022d05 AD |
400 | /* Rx */ |
401 | if (rx_ring) { | |
402 | for (i = 0; i < adapter->num_rx_queues; i++) { | |
403 | ixgbevf_free_rx_resources(adapter, | |
404 | &adapter->rx_ring[i]); | |
405 | adapter->rx_ring[i] = rx_ring[i]; | |
406 | } | |
407 | adapter->rx_ring_count = new_rx_count; | |
bba50b99 | 408 | |
eb022d05 AD |
409 | vfree(rx_ring); |
410 | rx_ring = NULL; | |
411 | } | |
bba50b99 | 412 | |
eb022d05 AD |
413 | /* restore interface using new values */ |
414 | ixgbevf_up(adapter); | |
92915f71 | 415 | |
bba50b99 | 416 | clear_reset: |
eb022d05 AD |
417 | /* free Tx resources if Rx error is encountered */ |
418 | if (tx_ring) { | |
419 | for (i = 0; i < adapter->num_tx_queues; i++) | |
420 | ixgbevf_free_tx_resources(adapter, &tx_ring[i]); | |
421 | vfree(tx_ring); | |
422 | } | |
423 | ||
92915f71 GR |
424 | clear_bit(__IXGBEVF_RESETTING, &adapter->state); |
425 | return err; | |
426 | } | |
427 | ||
428 | static int ixgbevf_get_sset_count(struct net_device *dev, int stringset) | |
429 | { | |
430 | switch (stringset) { | |
431 | case ETH_SS_TEST: | |
432 | return IXGBE_TEST_LEN; | |
433 | case ETH_SS_STATS: | |
434 | return IXGBE_GLOBAL_STATS_LEN; | |
435 | default: | |
436 | return -EINVAL; | |
437 | } | |
438 | } | |
439 | ||
440 | static void ixgbevf_get_ethtool_stats(struct net_device *netdev, | |
441 | struct ethtool_stats *stats, u64 *data) | |
442 | { | |
443 | struct ixgbevf_adapter *adapter = netdev_priv(netdev); | |
444 | int i; | |
445 | ||
446 | ixgbevf_update_stats(adapter); | |
447 | for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) { | |
448 | char *p = (char *)adapter + | |
449 | ixgbe_gstrings_stats[i].stat_offset; | |
450 | char *b = (char *)adapter + | |
451 | ixgbe_gstrings_stats[i].base_stat_offset; | |
33bd9f60 GR |
452 | char *r = (char *)adapter + |
453 | ixgbe_gstrings_stats[i].saved_reset_offset; | |
92915f71 GR |
454 | data[i] = ((ixgbe_gstrings_stats[i].sizeof_stat == |
455 | sizeof(u64)) ? *(u64 *)p : *(u32 *)p) - | |
456 | ((ixgbe_gstrings_stats[i].sizeof_stat == | |
33bd9f60 GR |
457 | sizeof(u64)) ? *(u64 *)b : *(u32 *)b) + |
458 | ((ixgbe_gstrings_stats[i].sizeof_stat == | |
459 | sizeof(u64)) ? *(u64 *)r : *(u32 *)r); | |
92915f71 GR |
460 | } |
461 | } | |
462 | ||
463 | static void ixgbevf_get_strings(struct net_device *netdev, u32 stringset, | |
464 | u8 *data) | |
465 | { | |
466 | char *p = (char *)data; | |
467 | int i; | |
468 | ||
469 | switch (stringset) { | |
470 | case ETH_SS_TEST: | |
471 | memcpy(data, *ixgbe_gstrings_test, | |
472 | IXGBE_TEST_LEN * ETH_GSTRING_LEN); | |
473 | break; | |
474 | case ETH_SS_STATS: | |
475 | for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) { | |
476 | memcpy(p, ixgbe_gstrings_stats[i].stat_string, | |
477 | ETH_GSTRING_LEN); | |
478 | p += ETH_GSTRING_LEN; | |
479 | } | |
480 | break; | |
481 | } | |
482 | } | |
483 | ||
484 | static int ixgbevf_link_test(struct ixgbevf_adapter *adapter, u64 *data) | |
485 | { | |
486 | struct ixgbe_hw *hw = &adapter->hw; | |
487 | bool link_up; | |
488 | u32 link_speed = 0; | |
489 | *data = 0; | |
490 | ||
491 | hw->mac.ops.check_link(hw, &link_speed, &link_up, true); | |
492 | if (!link_up) | |
493 | *data = 1; | |
494 | ||
495 | return *data; | |
496 | } | |
497 | ||
498 | /* ethtool register test data */ | |
499 | struct ixgbevf_reg_test { | |
500 | u16 reg; | |
501 | u8 array_len; | |
502 | u8 test_type; | |
503 | u32 mask; | |
504 | u32 write; | |
505 | }; | |
506 | ||
507 | /* In the hardware, registers are laid out either singly, in arrays | |
508 | * spaced 0x40 bytes apart, or in contiguous tables. We assume | |
509 | * most tests take place on arrays or single registers (handled | |
510 | * as a single-element array) and special-case the tables. | |
511 | * Table tests are always pattern tests. | |
512 | * | |
513 | * We also make provision for some required setup steps by specifying | |
514 | * registers to be written without any read-back testing. | |
515 | */ | |
516 | ||
517 | #define PATTERN_TEST 1 | |
518 | #define SET_READ_TEST 2 | |
519 | #define WRITE_NO_TEST 3 | |
520 | #define TABLE32_TEST 4 | |
521 | #define TABLE64_TEST_LO 5 | |
522 | #define TABLE64_TEST_HI 6 | |
523 | ||
524 | /* default VF register test */ | |
66744500 | 525 | static const struct ixgbevf_reg_test reg_test_vf[] = { |
92915f71 GR |
526 | { IXGBE_VFRDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFF80 }, |
527 | { IXGBE_VFRDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, | |
528 | { IXGBE_VFRDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFFFF }, | |
529 | { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, IXGBE_RXDCTL_ENABLE }, | |
530 | { IXGBE_VFRDT(0), 2, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF }, | |
531 | { IXGBE_VFRXDCTL(0), 2, WRITE_NO_TEST, 0, 0 }, | |
532 | { IXGBE_VFTDBAL(0), 2, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF }, | |
533 | { IXGBE_VFTDBAH(0), 2, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, | |
534 | { IXGBE_VFTDLEN(0), 2, PATTERN_TEST, 0x000FFF80, 0x000FFF80 }, | |
535 | { 0, 0, 0, 0 } | |
536 | }; | |
537 | ||
66744500 JK |
538 | static const u32 register_test_patterns[] = { |
539 | 0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF | |
540 | }; | |
541 | ||
92915f71 GR |
542 | #define REG_PATTERN_TEST(R, M, W) \ |
543 | { \ | |
544 | u32 pat, val, before; \ | |
66744500 | 545 | for (pat = 0; pat < ARRAY_SIZE(register_test_patterns); pat++) { \ |
92915f71 | 546 | before = readl(adapter->hw.hw_addr + R); \ |
66744500 JK |
547 | writel((register_test_patterns[pat] & W), \ |
548 | (adapter->hw.hw_addr + R)); \ | |
92915f71 | 549 | val = readl(adapter->hw.hw_addr + R); \ |
66744500 | 550 | if (val != (register_test_patterns[pat] & W & M)) { \ |
92915f71 GR |
551 | hw_dbg(&adapter->hw, \ |
552 | "pattern test reg %04X failed: got " \ | |
553 | "0x%08X expected 0x%08X\n", \ | |
66744500 | 554 | R, val, (register_test_patterns[pat] & W & M)); \ |
92915f71 GR |
555 | *data = R; \ |
556 | writel(before, adapter->hw.hw_addr + R); \ | |
557 | return 1; \ | |
558 | } \ | |
559 | writel(before, adapter->hw.hw_addr + R); \ | |
560 | } \ | |
561 | } | |
562 | ||
563 | #define REG_SET_AND_CHECK(R, M, W) \ | |
564 | { \ | |
565 | u32 val, before; \ | |
566 | before = readl(adapter->hw.hw_addr + R); \ | |
567 | writel((W & M), (adapter->hw.hw_addr + R)); \ | |
568 | val = readl(adapter->hw.hw_addr + R); \ | |
569 | if ((W & M) != (val & M)) { \ | |
dbd9636e JK |
570 | pr_err("set/check reg %04X test failed: got 0x%08X expected " \ |
571 | "0x%08X\n", R, (val & M), (W & M)); \ | |
92915f71 GR |
572 | *data = R; \ |
573 | writel(before, (adapter->hw.hw_addr + R)); \ | |
574 | return 1; \ | |
575 | } \ | |
576 | writel(before, (adapter->hw.hw_addr + R)); \ | |
577 | } | |
578 | ||
579 | static int ixgbevf_reg_test(struct ixgbevf_adapter *adapter, u64 *data) | |
580 | { | |
66744500 | 581 | const struct ixgbevf_reg_test *test; |
92915f71 GR |
582 | u32 i; |
583 | ||
584 | test = reg_test_vf; | |
585 | ||
586 | /* | |
587 | * Perform the register test, looping through the test table | |
588 | * until we either fail or reach the null entry. | |
589 | */ | |
590 | while (test->reg) { | |
591 | for (i = 0; i < test->array_len; i++) { | |
592 | switch (test->test_type) { | |
593 | case PATTERN_TEST: | |
594 | REG_PATTERN_TEST(test->reg + (i * 0x40), | |
595 | test->mask, | |
596 | test->write); | |
597 | break; | |
598 | case SET_READ_TEST: | |
599 | REG_SET_AND_CHECK(test->reg + (i * 0x40), | |
600 | test->mask, | |
601 | test->write); | |
602 | break; | |
603 | case WRITE_NO_TEST: | |
604 | writel(test->write, | |
605 | (adapter->hw.hw_addr + test->reg) | |
606 | + (i * 0x40)); | |
607 | break; | |
608 | case TABLE32_TEST: | |
609 | REG_PATTERN_TEST(test->reg + (i * 4), | |
610 | test->mask, | |
611 | test->write); | |
612 | break; | |
613 | case TABLE64_TEST_LO: | |
614 | REG_PATTERN_TEST(test->reg + (i * 8), | |
615 | test->mask, | |
616 | test->write); | |
617 | break; | |
618 | case TABLE64_TEST_HI: | |
619 | REG_PATTERN_TEST((test->reg + 4) + (i * 8), | |
620 | test->mask, | |
621 | test->write); | |
622 | break; | |
623 | } | |
624 | } | |
625 | test++; | |
626 | } | |
627 | ||
628 | *data = 0; | |
629 | return *data; | |
630 | } | |
631 | ||
632 | static void ixgbevf_diag_test(struct net_device *netdev, | |
633 | struct ethtool_test *eth_test, u64 *data) | |
634 | { | |
635 | struct ixgbevf_adapter *adapter = netdev_priv(netdev); | |
636 | bool if_running = netif_running(netdev); | |
637 | ||
638 | set_bit(__IXGBEVF_TESTING, &adapter->state); | |
639 | if (eth_test->flags == ETH_TEST_FL_OFFLINE) { | |
640 | /* Offline tests */ | |
641 | ||
642 | hw_dbg(&adapter->hw, "offline testing starting\n"); | |
643 | ||
644 | /* Link test performed before hardware reset so autoneg doesn't | |
645 | * interfere with test result */ | |
646 | if (ixgbevf_link_test(adapter, &data[1])) | |
647 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
648 | ||
649 | if (if_running) | |
650 | /* indicate we're in test mode */ | |
651 | dev_close(netdev); | |
652 | else | |
653 | ixgbevf_reset(adapter); | |
654 | ||
655 | hw_dbg(&adapter->hw, "register testing starting\n"); | |
656 | if (ixgbevf_reg_test(adapter, &data[0])) | |
657 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
658 | ||
659 | ixgbevf_reset(adapter); | |
660 | ||
661 | clear_bit(__IXGBEVF_TESTING, &adapter->state); | |
662 | if (if_running) | |
663 | dev_open(netdev); | |
664 | } else { | |
665 | hw_dbg(&adapter->hw, "online testing starting\n"); | |
666 | /* Online tests */ | |
667 | if (ixgbevf_link_test(adapter, &data[1])) | |
668 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
669 | ||
670 | /* Online tests aren't run; pass by default */ | |
671 | data[0] = 0; | |
672 | ||
673 | clear_bit(__IXGBEVF_TESTING, &adapter->state); | |
674 | } | |
675 | msleep_interruptible(4 * 1000); | |
676 | } | |
677 | ||
678 | static int ixgbevf_nway_reset(struct net_device *netdev) | |
679 | { | |
680 | struct ixgbevf_adapter *adapter = netdev_priv(netdev); | |
681 | ||
77d5dfca AD |
682 | if (netif_running(netdev)) |
683 | ixgbevf_reinit_locked(adapter); | |
92915f71 GR |
684 | |
685 | return 0; | |
686 | } | |
687 | ||
b47aca13 | 688 | static const struct ethtool_ops ixgbevf_ethtool_ops = { |
92915f71 GR |
689 | .get_settings = ixgbevf_get_settings, |
690 | .get_drvinfo = ixgbevf_get_drvinfo, | |
691 | .get_regs_len = ixgbevf_get_regs_len, | |
692 | .get_regs = ixgbevf_get_regs, | |
693 | .nway_reset = ixgbevf_nway_reset, | |
694 | .get_link = ethtool_op_get_link, | |
695 | .get_ringparam = ixgbevf_get_ringparam, | |
696 | .set_ringparam = ixgbevf_set_ringparam, | |
92915f71 GR |
697 | .get_msglevel = ixgbevf_get_msglevel, |
698 | .set_msglevel = ixgbevf_set_msglevel, | |
92915f71 GR |
699 | .self_test = ixgbevf_diag_test, |
700 | .get_sset_count = ixgbevf_get_sset_count, | |
701 | .get_strings = ixgbevf_get_strings, | |
702 | .get_ethtool_stats = ixgbevf_get_ethtool_stats, | |
703 | }; | |
704 | ||
705 | void ixgbevf_set_ethtool_ops(struct net_device *netdev) | |
706 | { | |
707 | SET_ETHTOOL_OPS(netdev, &ixgbevf_ethtool_ops); | |
708 | } |