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9d5c8243 AK |
1 | /******************************************************************************* |
2 | ||
3 | Intel(R) Gigabit Ethernet Linux driver | |
4 | Copyright(c) 2007 Intel Corporation. | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify it | |
7 | under the terms and conditions of the GNU General Public License, | |
8 | version 2, as published by the Free Software Foundation. | |
9 | ||
10 | This program is distributed in the hope it will be useful, but WITHOUT | |
11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License along with | |
16 | this program; if not, write to the Free Software Foundation, Inc., | |
17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | ||
19 | The full GNU General Public License is included in this distribution in | |
20 | the file called "COPYING". | |
21 | ||
22 | Contact Information: | |
23 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> | |
24 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
25 | ||
26 | *******************************************************************************/ | |
27 | ||
28 | /* ethtool support for igb */ | |
29 | ||
30 | #include <linux/vmalloc.h> | |
31 | #include <linux/netdevice.h> | |
32 | #include <linux/pci.h> | |
33 | #include <linux/delay.h> | |
34 | #include <linux/interrupt.h> | |
35 | #include <linux/if_ether.h> | |
36 | #include <linux/ethtool.h> | |
37 | ||
38 | #include "igb.h" | |
39 | ||
40 | struct igb_stats { | |
41 | char stat_string[ETH_GSTRING_LEN]; | |
42 | int sizeof_stat; | |
43 | int stat_offset; | |
44 | }; | |
45 | ||
030ed68b | 46 | #define IGB_STAT(m) FIELD_SIZEOF(struct igb_adapter, m), \ |
9d5c8243 AK |
47 | offsetof(struct igb_adapter, m) |
48 | static const struct igb_stats igb_gstrings_stats[] = { | |
49 | { "rx_packets", IGB_STAT(stats.gprc) }, | |
50 | { "tx_packets", IGB_STAT(stats.gptc) }, | |
51 | { "rx_bytes", IGB_STAT(stats.gorc) }, | |
52 | { "tx_bytes", IGB_STAT(stats.gotc) }, | |
53 | { "rx_broadcast", IGB_STAT(stats.bprc) }, | |
54 | { "tx_broadcast", IGB_STAT(stats.bptc) }, | |
55 | { "rx_multicast", IGB_STAT(stats.mprc) }, | |
56 | { "tx_multicast", IGB_STAT(stats.mptc) }, | |
57 | { "rx_errors", IGB_STAT(net_stats.rx_errors) }, | |
58 | { "tx_errors", IGB_STAT(net_stats.tx_errors) }, | |
59 | { "tx_dropped", IGB_STAT(net_stats.tx_dropped) }, | |
60 | { "multicast", IGB_STAT(stats.mprc) }, | |
61 | { "collisions", IGB_STAT(stats.colc) }, | |
62 | { "rx_length_errors", IGB_STAT(net_stats.rx_length_errors) }, | |
63 | { "rx_over_errors", IGB_STAT(net_stats.rx_over_errors) }, | |
64 | { "rx_crc_errors", IGB_STAT(stats.crcerrs) }, | |
65 | { "rx_frame_errors", IGB_STAT(net_stats.rx_frame_errors) }, | |
66 | { "rx_no_buffer_count", IGB_STAT(stats.rnbc) }, | |
67 | { "rx_missed_errors", IGB_STAT(stats.mpc) }, | |
68 | { "tx_aborted_errors", IGB_STAT(stats.ecol) }, | |
69 | { "tx_carrier_errors", IGB_STAT(stats.tncrs) }, | |
70 | { "tx_fifo_errors", IGB_STAT(net_stats.tx_fifo_errors) }, | |
71 | { "tx_heartbeat_errors", IGB_STAT(net_stats.tx_heartbeat_errors) }, | |
72 | { "tx_window_errors", IGB_STAT(stats.latecol) }, | |
73 | { "tx_abort_late_coll", IGB_STAT(stats.latecol) }, | |
74 | { "tx_deferred_ok", IGB_STAT(stats.dc) }, | |
75 | { "tx_single_coll_ok", IGB_STAT(stats.scc) }, | |
76 | { "tx_multi_coll_ok", IGB_STAT(stats.mcc) }, | |
77 | { "tx_timeout_count", IGB_STAT(tx_timeout_count) }, | |
78 | { "tx_restart_queue", IGB_STAT(restart_queue) }, | |
79 | { "rx_long_length_errors", IGB_STAT(stats.roc) }, | |
80 | { "rx_short_length_errors", IGB_STAT(stats.ruc) }, | |
81 | { "rx_align_errors", IGB_STAT(stats.algnerrc) }, | |
82 | { "tx_tcp_seg_good", IGB_STAT(stats.tsctc) }, | |
83 | { "tx_tcp_seg_failed", IGB_STAT(stats.tsctfc) }, | |
84 | { "rx_flow_control_xon", IGB_STAT(stats.xonrxc) }, | |
85 | { "rx_flow_control_xoff", IGB_STAT(stats.xoffrxc) }, | |
86 | { "tx_flow_control_xon", IGB_STAT(stats.xontxc) }, | |
87 | { "tx_flow_control_xoff", IGB_STAT(stats.xofftxc) }, | |
88 | { "rx_long_byte_count", IGB_STAT(stats.gorc) }, | |
89 | { "rx_csum_offload_good", IGB_STAT(hw_csum_good) }, | |
90 | { "rx_csum_offload_errors", IGB_STAT(hw_csum_err) }, | |
91 | { "rx_header_split", IGB_STAT(rx_hdr_split) }, | |
92 | { "alloc_rx_buff_failed", IGB_STAT(alloc_rx_buff_failed) }, | |
93 | { "tx_smbus", IGB_STAT(stats.mgptc) }, | |
94 | { "rx_smbus", IGB_STAT(stats.mgprc) }, | |
95 | { "dropped_smbus", IGB_STAT(stats.mgpdc) }, | |
96 | }; | |
97 | ||
98 | #define IGB_QUEUE_STATS_LEN \ | |
99 | ((((((struct igb_adapter *)netdev->priv)->num_rx_queues > 1) ? \ | |
100 | ((struct igb_adapter *)netdev->priv)->num_rx_queues : 0) + \ | |
101 | (((((struct igb_adapter *)netdev->priv)->num_tx_queues > 1) ? \ | |
102 | ((struct igb_adapter *)netdev->priv)->num_tx_queues : 0))) * \ | |
103 | (sizeof(struct igb_queue_stats) / sizeof(u64))) | |
104 | #define IGB_GLOBAL_STATS_LEN \ | |
105 | sizeof(igb_gstrings_stats) / sizeof(struct igb_stats) | |
106 | #define IGB_STATS_LEN (IGB_GLOBAL_STATS_LEN + IGB_QUEUE_STATS_LEN) | |
107 | static const char igb_gstrings_test[][ETH_GSTRING_LEN] = { | |
108 | "Register test (offline)", "Eeprom test (offline)", | |
109 | "Interrupt test (offline)", "Loopback test (offline)", | |
110 | "Link test (on/offline)" | |
111 | }; | |
112 | #define IGB_TEST_LEN sizeof(igb_gstrings_test) / ETH_GSTRING_LEN | |
113 | ||
114 | static int igb_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) | |
115 | { | |
116 | struct igb_adapter *adapter = netdev_priv(netdev); | |
117 | struct e1000_hw *hw = &adapter->hw; | |
118 | ||
119 | if (hw->phy.media_type == e1000_media_type_copper) { | |
120 | ||
121 | ecmd->supported = (SUPPORTED_10baseT_Half | | |
122 | SUPPORTED_10baseT_Full | | |
123 | SUPPORTED_100baseT_Half | | |
124 | SUPPORTED_100baseT_Full | | |
125 | SUPPORTED_1000baseT_Full| | |
126 | SUPPORTED_Autoneg | | |
127 | SUPPORTED_TP); | |
128 | ecmd->advertising = ADVERTISED_TP; | |
129 | ||
130 | if (hw->mac.autoneg == 1) { | |
131 | ecmd->advertising |= ADVERTISED_Autoneg; | |
132 | /* the e1000 autoneg seems to match ethtool nicely */ | |
133 | ecmd->advertising |= hw->phy.autoneg_advertised; | |
134 | } | |
135 | ||
136 | ecmd->port = PORT_TP; | |
137 | ecmd->phy_address = hw->phy.addr; | |
138 | } else { | |
139 | ecmd->supported = (SUPPORTED_1000baseT_Full | | |
140 | SUPPORTED_FIBRE | | |
141 | SUPPORTED_Autoneg); | |
142 | ||
143 | ecmd->advertising = (ADVERTISED_1000baseT_Full | | |
144 | ADVERTISED_FIBRE | | |
145 | ADVERTISED_Autoneg); | |
146 | ||
147 | ecmd->port = PORT_FIBRE; | |
148 | } | |
149 | ||
150 | ecmd->transceiver = XCVR_INTERNAL; | |
151 | ||
152 | if (rd32(E1000_STATUS) & E1000_STATUS_LU) { | |
153 | ||
154 | adapter->hw.mac.ops.get_speed_and_duplex(hw, | |
155 | &adapter->link_speed, | |
156 | &adapter->link_duplex); | |
157 | ecmd->speed = adapter->link_speed; | |
158 | ||
159 | /* unfortunately FULL_DUPLEX != DUPLEX_FULL | |
160 | * and HALF_DUPLEX != DUPLEX_HALF */ | |
161 | ||
162 | if (adapter->link_duplex == FULL_DUPLEX) | |
163 | ecmd->duplex = DUPLEX_FULL; | |
164 | else | |
165 | ecmd->duplex = DUPLEX_HALF; | |
166 | } else { | |
167 | ecmd->speed = -1; | |
168 | ecmd->duplex = -1; | |
169 | } | |
170 | ||
171 | ecmd->autoneg = ((hw->phy.media_type == e1000_media_type_fiber) || | |
172 | hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; | |
173 | return 0; | |
174 | } | |
175 | ||
176 | static int igb_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd) | |
177 | { | |
178 | struct igb_adapter *adapter = netdev_priv(netdev); | |
179 | struct e1000_hw *hw = &adapter->hw; | |
180 | ||
181 | /* When SoL/IDER sessions are active, autoneg/speed/duplex | |
182 | * cannot be changed */ | |
183 | if (igb_check_reset_block(hw)) { | |
184 | dev_err(&adapter->pdev->dev, "Cannot change link " | |
185 | "characteristics when SoL/IDER is active.\n"); | |
186 | return -EINVAL; | |
187 | } | |
188 | ||
189 | while (test_and_set_bit(__IGB_RESETTING, &adapter->state)) | |
190 | msleep(1); | |
191 | ||
192 | if (ecmd->autoneg == AUTONEG_ENABLE) { | |
193 | hw->mac.autoneg = 1; | |
194 | if (hw->phy.media_type == e1000_media_type_fiber) | |
195 | hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full | | |
196 | ADVERTISED_FIBRE | | |
197 | ADVERTISED_Autoneg; | |
198 | else | |
199 | hw->phy.autoneg_advertised = ecmd->advertising | | |
200 | ADVERTISED_TP | | |
201 | ADVERTISED_Autoneg; | |
202 | ecmd->advertising = hw->phy.autoneg_advertised; | |
203 | } else | |
204 | if (igb_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) { | |
205 | clear_bit(__IGB_RESETTING, &adapter->state); | |
206 | return -EINVAL; | |
207 | } | |
208 | ||
209 | /* reset the link */ | |
210 | ||
211 | if (netif_running(adapter->netdev)) { | |
212 | igb_down(adapter); | |
213 | igb_up(adapter); | |
214 | } else | |
215 | igb_reset(adapter); | |
216 | ||
217 | clear_bit(__IGB_RESETTING, &adapter->state); | |
218 | return 0; | |
219 | } | |
220 | ||
221 | static void igb_get_pauseparam(struct net_device *netdev, | |
222 | struct ethtool_pauseparam *pause) | |
223 | { | |
224 | struct igb_adapter *adapter = netdev_priv(netdev); | |
225 | struct e1000_hw *hw = &adapter->hw; | |
226 | ||
227 | pause->autoneg = | |
228 | (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); | |
229 | ||
230 | if (hw->fc.type == e1000_fc_rx_pause) | |
231 | pause->rx_pause = 1; | |
232 | else if (hw->fc.type == e1000_fc_tx_pause) | |
233 | pause->tx_pause = 1; | |
234 | else if (hw->fc.type == e1000_fc_full) { | |
235 | pause->rx_pause = 1; | |
236 | pause->tx_pause = 1; | |
237 | } | |
238 | } | |
239 | ||
240 | static int igb_set_pauseparam(struct net_device *netdev, | |
241 | struct ethtool_pauseparam *pause) | |
242 | { | |
243 | struct igb_adapter *adapter = netdev_priv(netdev); | |
244 | struct e1000_hw *hw = &adapter->hw; | |
245 | int retval = 0; | |
246 | ||
247 | adapter->fc_autoneg = pause->autoneg; | |
248 | ||
249 | while (test_and_set_bit(__IGB_RESETTING, &adapter->state)) | |
250 | msleep(1); | |
251 | ||
252 | if (pause->rx_pause && pause->tx_pause) | |
253 | hw->fc.type = e1000_fc_full; | |
254 | else if (pause->rx_pause && !pause->tx_pause) | |
255 | hw->fc.type = e1000_fc_rx_pause; | |
256 | else if (!pause->rx_pause && pause->tx_pause) | |
257 | hw->fc.type = e1000_fc_tx_pause; | |
258 | else if (!pause->rx_pause && !pause->tx_pause) | |
259 | hw->fc.type = e1000_fc_none; | |
260 | ||
261 | hw->fc.original_type = hw->fc.type; | |
262 | ||
263 | if (adapter->fc_autoneg == AUTONEG_ENABLE) { | |
264 | if (netif_running(adapter->netdev)) { | |
265 | igb_down(adapter); | |
266 | igb_up(adapter); | |
267 | } else | |
268 | igb_reset(adapter); | |
269 | } else | |
270 | retval = ((hw->phy.media_type == e1000_media_type_fiber) ? | |
271 | igb_setup_link(hw) : igb_force_mac_fc(hw)); | |
272 | ||
273 | clear_bit(__IGB_RESETTING, &adapter->state); | |
274 | return retval; | |
275 | } | |
276 | ||
277 | static u32 igb_get_rx_csum(struct net_device *netdev) | |
278 | { | |
279 | struct igb_adapter *adapter = netdev_priv(netdev); | |
280 | return adapter->rx_csum; | |
281 | } | |
282 | ||
283 | static int igb_set_rx_csum(struct net_device *netdev, u32 data) | |
284 | { | |
285 | struct igb_adapter *adapter = netdev_priv(netdev); | |
286 | adapter->rx_csum = data; | |
287 | ||
288 | return 0; | |
289 | } | |
290 | ||
291 | static u32 igb_get_tx_csum(struct net_device *netdev) | |
292 | { | |
293 | return (netdev->features & NETIF_F_HW_CSUM) != 0; | |
294 | } | |
295 | ||
296 | static int igb_set_tx_csum(struct net_device *netdev, u32 data) | |
297 | { | |
298 | if (data) | |
299 | netdev->features |= NETIF_F_HW_CSUM; | |
300 | else | |
301 | netdev->features &= ~NETIF_F_HW_CSUM; | |
302 | ||
303 | return 0; | |
304 | } | |
305 | ||
306 | static int igb_set_tso(struct net_device *netdev, u32 data) | |
307 | { | |
308 | struct igb_adapter *adapter = netdev_priv(netdev); | |
309 | ||
310 | if (data) | |
311 | netdev->features |= NETIF_F_TSO; | |
312 | else | |
313 | netdev->features &= ~NETIF_F_TSO; | |
314 | ||
315 | if (data) | |
316 | netdev->features |= NETIF_F_TSO6; | |
317 | else | |
318 | netdev->features &= ~NETIF_F_TSO6; | |
319 | ||
320 | dev_info(&adapter->pdev->dev, "TSO is %s\n", | |
321 | data ? "Enabled" : "Disabled"); | |
322 | return 0; | |
323 | } | |
324 | ||
325 | static u32 igb_get_msglevel(struct net_device *netdev) | |
326 | { | |
327 | struct igb_adapter *adapter = netdev_priv(netdev); | |
328 | return adapter->msg_enable; | |
329 | } | |
330 | ||
331 | static void igb_set_msglevel(struct net_device *netdev, u32 data) | |
332 | { | |
333 | struct igb_adapter *adapter = netdev_priv(netdev); | |
334 | adapter->msg_enable = data; | |
335 | } | |
336 | ||
337 | static int igb_get_regs_len(struct net_device *netdev) | |
338 | { | |
339 | #define IGB_REGS_LEN 551 | |
340 | return IGB_REGS_LEN * sizeof(u32); | |
341 | } | |
342 | ||
343 | static void igb_get_regs(struct net_device *netdev, | |
344 | struct ethtool_regs *regs, void *p) | |
345 | { | |
346 | struct igb_adapter *adapter = netdev_priv(netdev); | |
347 | struct e1000_hw *hw = &adapter->hw; | |
348 | u32 *regs_buff = p; | |
349 | u8 i; | |
350 | ||
351 | memset(p, 0, IGB_REGS_LEN * sizeof(u32)); | |
352 | ||
353 | regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id; | |
354 | ||
355 | /* General Registers */ | |
356 | regs_buff[0] = rd32(E1000_CTRL); | |
357 | regs_buff[1] = rd32(E1000_STATUS); | |
358 | regs_buff[2] = rd32(E1000_CTRL_EXT); | |
359 | regs_buff[3] = rd32(E1000_MDIC); | |
360 | regs_buff[4] = rd32(E1000_SCTL); | |
361 | regs_buff[5] = rd32(E1000_CONNSW); | |
362 | regs_buff[6] = rd32(E1000_VET); | |
363 | regs_buff[7] = rd32(E1000_LEDCTL); | |
364 | regs_buff[8] = rd32(E1000_PBA); | |
365 | regs_buff[9] = rd32(E1000_PBS); | |
366 | regs_buff[10] = rd32(E1000_FRTIMER); | |
367 | regs_buff[11] = rd32(E1000_TCPTIMER); | |
368 | ||
369 | /* NVM Register */ | |
370 | regs_buff[12] = rd32(E1000_EECD); | |
371 | ||
372 | /* Interrupt */ | |
373 | regs_buff[13] = rd32(E1000_EICR); | |
374 | regs_buff[14] = rd32(E1000_EICS); | |
375 | regs_buff[15] = rd32(E1000_EIMS); | |
376 | regs_buff[16] = rd32(E1000_EIMC); | |
377 | regs_buff[17] = rd32(E1000_EIAC); | |
378 | regs_buff[18] = rd32(E1000_EIAM); | |
379 | regs_buff[19] = rd32(E1000_ICR); | |
380 | regs_buff[20] = rd32(E1000_ICS); | |
381 | regs_buff[21] = rd32(E1000_IMS); | |
382 | regs_buff[22] = rd32(E1000_IMC); | |
383 | regs_buff[23] = rd32(E1000_IAC); | |
384 | regs_buff[24] = rd32(E1000_IAM); | |
385 | regs_buff[25] = rd32(E1000_IMIRVP); | |
386 | ||
387 | /* Flow Control */ | |
388 | regs_buff[26] = rd32(E1000_FCAL); | |
389 | regs_buff[27] = rd32(E1000_FCAH); | |
390 | regs_buff[28] = rd32(E1000_FCTTV); | |
391 | regs_buff[29] = rd32(E1000_FCRTL); | |
392 | regs_buff[30] = rd32(E1000_FCRTH); | |
393 | regs_buff[31] = rd32(E1000_FCRTV); | |
394 | ||
395 | /* Receive */ | |
396 | regs_buff[32] = rd32(E1000_RCTL); | |
397 | regs_buff[33] = rd32(E1000_RXCSUM); | |
398 | regs_buff[34] = rd32(E1000_RLPML); | |
399 | regs_buff[35] = rd32(E1000_RFCTL); | |
400 | regs_buff[36] = rd32(E1000_MRQC); | |
401 | regs_buff[37] = rd32(E1000_VMD_CTL); | |
402 | ||
403 | /* Transmit */ | |
404 | regs_buff[38] = rd32(E1000_TCTL); | |
405 | regs_buff[39] = rd32(E1000_TCTL_EXT); | |
406 | regs_buff[40] = rd32(E1000_TIPG); | |
407 | regs_buff[41] = rd32(E1000_DTXCTL); | |
408 | ||
409 | /* Wake Up */ | |
410 | regs_buff[42] = rd32(E1000_WUC); | |
411 | regs_buff[43] = rd32(E1000_WUFC); | |
412 | regs_buff[44] = rd32(E1000_WUS); | |
413 | regs_buff[45] = rd32(E1000_IPAV); | |
414 | regs_buff[46] = rd32(E1000_WUPL); | |
415 | ||
416 | /* MAC */ | |
417 | regs_buff[47] = rd32(E1000_PCS_CFG0); | |
418 | regs_buff[48] = rd32(E1000_PCS_LCTL); | |
419 | regs_buff[49] = rd32(E1000_PCS_LSTAT); | |
420 | regs_buff[50] = rd32(E1000_PCS_ANADV); | |
421 | regs_buff[51] = rd32(E1000_PCS_LPAB); | |
422 | regs_buff[52] = rd32(E1000_PCS_NPTX); | |
423 | regs_buff[53] = rd32(E1000_PCS_LPABNP); | |
424 | ||
425 | /* Statistics */ | |
426 | regs_buff[54] = adapter->stats.crcerrs; | |
427 | regs_buff[55] = adapter->stats.algnerrc; | |
428 | regs_buff[56] = adapter->stats.symerrs; | |
429 | regs_buff[57] = adapter->stats.rxerrc; | |
430 | regs_buff[58] = adapter->stats.mpc; | |
431 | regs_buff[59] = adapter->stats.scc; | |
432 | regs_buff[60] = adapter->stats.ecol; | |
433 | regs_buff[61] = adapter->stats.mcc; | |
434 | regs_buff[62] = adapter->stats.latecol; | |
435 | regs_buff[63] = adapter->stats.colc; | |
436 | regs_buff[64] = adapter->stats.dc; | |
437 | regs_buff[65] = adapter->stats.tncrs; | |
438 | regs_buff[66] = adapter->stats.sec; | |
439 | regs_buff[67] = adapter->stats.htdpmc; | |
440 | regs_buff[68] = adapter->stats.rlec; | |
441 | regs_buff[69] = adapter->stats.xonrxc; | |
442 | regs_buff[70] = adapter->stats.xontxc; | |
443 | regs_buff[71] = adapter->stats.xoffrxc; | |
444 | regs_buff[72] = adapter->stats.xofftxc; | |
445 | regs_buff[73] = adapter->stats.fcruc; | |
446 | regs_buff[74] = adapter->stats.prc64; | |
447 | regs_buff[75] = adapter->stats.prc127; | |
448 | regs_buff[76] = adapter->stats.prc255; | |
449 | regs_buff[77] = adapter->stats.prc511; | |
450 | regs_buff[78] = adapter->stats.prc1023; | |
451 | regs_buff[79] = adapter->stats.prc1522; | |
452 | regs_buff[80] = adapter->stats.gprc; | |
453 | regs_buff[81] = adapter->stats.bprc; | |
454 | regs_buff[82] = adapter->stats.mprc; | |
455 | regs_buff[83] = adapter->stats.gptc; | |
456 | regs_buff[84] = adapter->stats.gorc; | |
457 | regs_buff[86] = adapter->stats.gotc; | |
458 | regs_buff[88] = adapter->stats.rnbc; | |
459 | regs_buff[89] = adapter->stats.ruc; | |
460 | regs_buff[90] = adapter->stats.rfc; | |
461 | regs_buff[91] = adapter->stats.roc; | |
462 | regs_buff[92] = adapter->stats.rjc; | |
463 | regs_buff[93] = adapter->stats.mgprc; | |
464 | regs_buff[94] = adapter->stats.mgpdc; | |
465 | regs_buff[95] = adapter->stats.mgptc; | |
466 | regs_buff[96] = adapter->stats.tor; | |
467 | regs_buff[98] = adapter->stats.tot; | |
468 | regs_buff[100] = adapter->stats.tpr; | |
469 | regs_buff[101] = adapter->stats.tpt; | |
470 | regs_buff[102] = adapter->stats.ptc64; | |
471 | regs_buff[103] = adapter->stats.ptc127; | |
472 | regs_buff[104] = adapter->stats.ptc255; | |
473 | regs_buff[105] = adapter->stats.ptc511; | |
474 | regs_buff[106] = adapter->stats.ptc1023; | |
475 | regs_buff[107] = adapter->stats.ptc1522; | |
476 | regs_buff[108] = adapter->stats.mptc; | |
477 | regs_buff[109] = adapter->stats.bptc; | |
478 | regs_buff[110] = adapter->stats.tsctc; | |
479 | regs_buff[111] = adapter->stats.iac; | |
480 | regs_buff[112] = adapter->stats.rpthc; | |
481 | regs_buff[113] = adapter->stats.hgptc; | |
482 | regs_buff[114] = adapter->stats.hgorc; | |
483 | regs_buff[116] = adapter->stats.hgotc; | |
484 | regs_buff[118] = adapter->stats.lenerrs; | |
485 | regs_buff[119] = adapter->stats.scvpc; | |
486 | regs_buff[120] = adapter->stats.hrmpc; | |
487 | ||
488 | /* These should probably be added to e1000_regs.h instead */ | |
489 | #define E1000_PSRTYPE_REG(_i) (0x05480 + ((_i) * 4)) | |
490 | #define E1000_RAL(_i) (0x05400 + ((_i) * 8)) | |
491 | #define E1000_RAH(_i) (0x05404 + ((_i) * 8)) | |
492 | #define E1000_IP4AT_REG(_i) (0x05840 + ((_i) * 8)) | |
493 | #define E1000_IP6AT_REG(_i) (0x05880 + ((_i) * 4)) | |
494 | #define E1000_WUPM_REG(_i) (0x05A00 + ((_i) * 4)) | |
495 | #define E1000_FFMT_REG(_i) (0x09000 + ((_i) * 8)) | |
496 | #define E1000_FFVT_REG(_i) (0x09800 + ((_i) * 8)) | |
497 | #define E1000_FFLT_REG(_i) (0x05F00 + ((_i) * 8)) | |
498 | ||
499 | for (i = 0; i < 4; i++) | |
500 | regs_buff[121 + i] = rd32(E1000_SRRCTL(i)); | |
501 | for (i = 0; i < 4; i++) | |
502 | regs_buff[125 + i] = rd32(E1000_PSRTYPE_REG(i)); | |
503 | for (i = 0; i < 4; i++) | |
504 | regs_buff[129 + i] = rd32(E1000_RDBAL(i)); | |
505 | for (i = 0; i < 4; i++) | |
506 | regs_buff[133 + i] = rd32(E1000_RDBAH(i)); | |
507 | for (i = 0; i < 4; i++) | |
508 | regs_buff[137 + i] = rd32(E1000_RDLEN(i)); | |
509 | for (i = 0; i < 4; i++) | |
510 | regs_buff[141 + i] = rd32(E1000_RDH(i)); | |
511 | for (i = 0; i < 4; i++) | |
512 | regs_buff[145 + i] = rd32(E1000_RDT(i)); | |
513 | for (i = 0; i < 4; i++) | |
514 | regs_buff[149 + i] = rd32(E1000_RXDCTL(i)); | |
515 | ||
516 | for (i = 0; i < 10; i++) | |
517 | regs_buff[153 + i] = rd32(E1000_EITR(i)); | |
518 | for (i = 0; i < 8; i++) | |
519 | regs_buff[163 + i] = rd32(E1000_IMIR(i)); | |
520 | for (i = 0; i < 8; i++) | |
521 | regs_buff[171 + i] = rd32(E1000_IMIREXT(i)); | |
522 | for (i = 0; i < 16; i++) | |
523 | regs_buff[179 + i] = rd32(E1000_RAL(i)); | |
524 | for (i = 0; i < 16; i++) | |
525 | regs_buff[195 + i] = rd32(E1000_RAH(i)); | |
526 | ||
527 | for (i = 0; i < 4; i++) | |
528 | regs_buff[211 + i] = rd32(E1000_TDBAL(i)); | |
529 | for (i = 0; i < 4; i++) | |
530 | regs_buff[215 + i] = rd32(E1000_TDBAH(i)); | |
531 | for (i = 0; i < 4; i++) | |
532 | regs_buff[219 + i] = rd32(E1000_TDLEN(i)); | |
533 | for (i = 0; i < 4; i++) | |
534 | regs_buff[223 + i] = rd32(E1000_TDH(i)); | |
535 | for (i = 0; i < 4; i++) | |
536 | regs_buff[227 + i] = rd32(E1000_TDT(i)); | |
537 | for (i = 0; i < 4; i++) | |
538 | regs_buff[231 + i] = rd32(E1000_TXDCTL(i)); | |
539 | for (i = 0; i < 4; i++) | |
540 | regs_buff[235 + i] = rd32(E1000_TDWBAL(i)); | |
541 | for (i = 0; i < 4; i++) | |
542 | regs_buff[239 + i] = rd32(E1000_TDWBAH(i)); | |
543 | for (i = 0; i < 4; i++) | |
544 | regs_buff[243 + i] = rd32(E1000_DCA_TXCTRL(i)); | |
545 | ||
546 | for (i = 0; i < 4; i++) | |
547 | regs_buff[247 + i] = rd32(E1000_IP4AT_REG(i)); | |
548 | for (i = 0; i < 4; i++) | |
549 | regs_buff[251 + i] = rd32(E1000_IP6AT_REG(i)); | |
550 | for (i = 0; i < 32; i++) | |
551 | regs_buff[255 + i] = rd32(E1000_WUPM_REG(i)); | |
552 | for (i = 0; i < 128; i++) | |
553 | regs_buff[287 + i] = rd32(E1000_FFMT_REG(i)); | |
554 | for (i = 0; i < 128; i++) | |
555 | regs_buff[415 + i] = rd32(E1000_FFVT_REG(i)); | |
556 | for (i = 0; i < 4; i++) | |
557 | regs_buff[543 + i] = rd32(E1000_FFLT_REG(i)); | |
558 | ||
559 | regs_buff[547] = rd32(E1000_TDFH); | |
560 | regs_buff[548] = rd32(E1000_TDFT); | |
561 | regs_buff[549] = rd32(E1000_TDFHS); | |
562 | regs_buff[550] = rd32(E1000_TDFPC); | |
563 | ||
564 | } | |
565 | ||
566 | static int igb_get_eeprom_len(struct net_device *netdev) | |
567 | { | |
568 | struct igb_adapter *adapter = netdev_priv(netdev); | |
569 | return adapter->hw.nvm.word_size * 2; | |
570 | } | |
571 | ||
572 | static int igb_get_eeprom(struct net_device *netdev, | |
573 | struct ethtool_eeprom *eeprom, u8 *bytes) | |
574 | { | |
575 | struct igb_adapter *adapter = netdev_priv(netdev); | |
576 | struct e1000_hw *hw = &adapter->hw; | |
577 | u16 *eeprom_buff; | |
578 | int first_word, last_word; | |
579 | int ret_val = 0; | |
580 | u16 i; | |
581 | ||
582 | if (eeprom->len == 0) | |
583 | return -EINVAL; | |
584 | ||
585 | eeprom->magic = hw->vendor_id | (hw->device_id << 16); | |
586 | ||
587 | first_word = eeprom->offset >> 1; | |
588 | last_word = (eeprom->offset + eeprom->len - 1) >> 1; | |
589 | ||
590 | eeprom_buff = kmalloc(sizeof(u16) * | |
591 | (last_word - first_word + 1), GFP_KERNEL); | |
592 | if (!eeprom_buff) | |
593 | return -ENOMEM; | |
594 | ||
595 | if (hw->nvm.type == e1000_nvm_eeprom_spi) | |
596 | ret_val = hw->nvm.ops.read_nvm(hw, first_word, | |
597 | last_word - first_word + 1, | |
598 | eeprom_buff); | |
599 | else { | |
600 | for (i = 0; i < last_word - first_word + 1; i++) { | |
601 | ret_val = hw->nvm.ops.read_nvm(hw, first_word + i, 1, | |
602 | &eeprom_buff[i]); | |
603 | if (ret_val) | |
604 | break; | |
605 | } | |
606 | } | |
607 | ||
608 | /* Device's eeprom is always little-endian, word addressable */ | |
609 | for (i = 0; i < last_word - first_word + 1; i++) | |
610 | le16_to_cpus(&eeprom_buff[i]); | |
611 | ||
612 | memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), | |
613 | eeprom->len); | |
614 | kfree(eeprom_buff); | |
615 | ||
616 | return ret_val; | |
617 | } | |
618 | ||
619 | static int igb_set_eeprom(struct net_device *netdev, | |
620 | struct ethtool_eeprom *eeprom, u8 *bytes) | |
621 | { | |
622 | struct igb_adapter *adapter = netdev_priv(netdev); | |
623 | struct e1000_hw *hw = &adapter->hw; | |
624 | u16 *eeprom_buff; | |
625 | void *ptr; | |
626 | int max_len, first_word, last_word, ret_val = 0; | |
627 | u16 i; | |
628 | ||
629 | if (eeprom->len == 0) | |
630 | return -EOPNOTSUPP; | |
631 | ||
632 | if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16))) | |
633 | return -EFAULT; | |
634 | ||
635 | max_len = hw->nvm.word_size * 2; | |
636 | ||
637 | first_word = eeprom->offset >> 1; | |
638 | last_word = (eeprom->offset + eeprom->len - 1) >> 1; | |
639 | eeprom_buff = kmalloc(max_len, GFP_KERNEL); | |
640 | if (!eeprom_buff) | |
641 | return -ENOMEM; | |
642 | ||
643 | ptr = (void *)eeprom_buff; | |
644 | ||
645 | if (eeprom->offset & 1) { | |
646 | /* need read/modify/write of first changed EEPROM word */ | |
647 | /* only the second byte of the word is being modified */ | |
648 | ret_val = hw->nvm.ops.read_nvm(hw, first_word, 1, | |
649 | &eeprom_buff[0]); | |
650 | ptr++; | |
651 | } | |
652 | if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) { | |
653 | /* need read/modify/write of last changed EEPROM word */ | |
654 | /* only the first byte of the word is being modified */ | |
655 | ret_val = hw->nvm.ops.read_nvm(hw, last_word, 1, | |
656 | &eeprom_buff[last_word - first_word]); | |
657 | } | |
658 | ||
659 | /* Device's eeprom is always little-endian, word addressable */ | |
660 | for (i = 0; i < last_word - first_word + 1; i++) | |
661 | le16_to_cpus(&eeprom_buff[i]); | |
662 | ||
663 | memcpy(ptr, bytes, eeprom->len); | |
664 | ||
665 | for (i = 0; i < last_word - first_word + 1; i++) | |
666 | eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); | |
667 | ||
668 | ret_val = hw->nvm.ops.write_nvm(hw, first_word, | |
669 | last_word - first_word + 1, eeprom_buff); | |
670 | ||
671 | /* Update the checksum over the first part of the EEPROM if needed | |
672 | * and flush shadow RAM for 82573 controllers */ | |
673 | if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG))) | |
674 | igb_update_nvm_checksum(hw); | |
675 | ||
676 | kfree(eeprom_buff); | |
677 | return ret_val; | |
678 | } | |
679 | ||
680 | static void igb_get_drvinfo(struct net_device *netdev, | |
681 | struct ethtool_drvinfo *drvinfo) | |
682 | { | |
683 | struct igb_adapter *adapter = netdev_priv(netdev); | |
684 | char firmware_version[32]; | |
685 | u16 eeprom_data; | |
686 | ||
687 | strncpy(drvinfo->driver, igb_driver_name, 32); | |
688 | strncpy(drvinfo->version, igb_driver_version, 32); | |
689 | ||
690 | /* EEPROM image version # is reported as firmware version # for | |
691 | * 82575 controllers */ | |
692 | adapter->hw.nvm.ops.read_nvm(&adapter->hw, 5, 1, &eeprom_data); | |
693 | sprintf(firmware_version, "%d.%d-%d", | |
694 | (eeprom_data & 0xF000) >> 12, | |
695 | (eeprom_data & 0x0FF0) >> 4, | |
696 | eeprom_data & 0x000F); | |
697 | ||
698 | strncpy(drvinfo->fw_version, firmware_version, 32); | |
699 | strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); | |
700 | drvinfo->n_stats = IGB_STATS_LEN; | |
701 | drvinfo->testinfo_len = IGB_TEST_LEN; | |
702 | drvinfo->regdump_len = igb_get_regs_len(netdev); | |
703 | drvinfo->eedump_len = igb_get_eeprom_len(netdev); | |
704 | } | |
705 | ||
706 | static void igb_get_ringparam(struct net_device *netdev, | |
707 | struct ethtool_ringparam *ring) | |
708 | { | |
709 | struct igb_adapter *adapter = netdev_priv(netdev); | |
710 | struct igb_ring *tx_ring = adapter->tx_ring; | |
711 | struct igb_ring *rx_ring = adapter->rx_ring; | |
712 | ||
713 | ring->rx_max_pending = IGB_MAX_RXD; | |
714 | ring->tx_max_pending = IGB_MAX_TXD; | |
715 | ring->rx_mini_max_pending = 0; | |
716 | ring->rx_jumbo_max_pending = 0; | |
717 | ring->rx_pending = rx_ring->count; | |
718 | ring->tx_pending = tx_ring->count; | |
719 | ring->rx_mini_pending = 0; | |
720 | ring->rx_jumbo_pending = 0; | |
721 | } | |
722 | ||
723 | static int igb_set_ringparam(struct net_device *netdev, | |
724 | struct ethtool_ringparam *ring) | |
725 | { | |
726 | struct igb_adapter *adapter = netdev_priv(netdev); | |
727 | struct igb_buffer *old_buf; | |
728 | struct igb_buffer *old_rx_buf; | |
729 | void *old_desc; | |
730 | int i, err; | |
731 | u32 new_rx_count, new_tx_count, old_size; | |
732 | dma_addr_t old_dma; | |
733 | ||
734 | if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) | |
735 | return -EINVAL; | |
736 | ||
737 | new_rx_count = max(ring->rx_pending, (u32)IGB_MIN_RXD); | |
738 | new_rx_count = min(new_rx_count, (u32)IGB_MAX_RXD); | |
739 | new_rx_count = ALIGN(new_rx_count, REQ_RX_DESCRIPTOR_MULTIPLE); | |
740 | ||
741 | new_tx_count = max(ring->tx_pending, (u32)IGB_MIN_TXD); | |
742 | new_tx_count = min(new_tx_count, (u32)IGB_MAX_TXD); | |
743 | new_tx_count = ALIGN(new_tx_count, REQ_TX_DESCRIPTOR_MULTIPLE); | |
744 | ||
745 | if ((new_tx_count == adapter->tx_ring->count) && | |
746 | (new_rx_count == adapter->rx_ring->count)) { | |
747 | /* nothing to do */ | |
748 | return 0; | |
749 | } | |
750 | ||
751 | while (test_and_set_bit(__IGB_RESETTING, &adapter->state)) | |
752 | msleep(1); | |
753 | ||
754 | if (netif_running(adapter->netdev)) | |
755 | igb_down(adapter); | |
756 | ||
757 | /* | |
758 | * We can't just free everything and then setup again, | |
759 | * because the ISRs in MSI-X mode get passed pointers | |
760 | * to the tx and rx ring structs. | |
761 | */ | |
762 | if (new_tx_count != adapter->tx_ring->count) { | |
763 | for (i = 0; i < adapter->num_tx_queues; i++) { | |
764 | /* Save existing descriptor ring */ | |
765 | old_buf = adapter->tx_ring[i].buffer_info; | |
766 | old_desc = adapter->tx_ring[i].desc; | |
767 | old_size = adapter->tx_ring[i].size; | |
768 | old_dma = adapter->tx_ring[i].dma; | |
769 | /* Try to allocate a new one */ | |
770 | adapter->tx_ring[i].buffer_info = NULL; | |
771 | adapter->tx_ring[i].desc = NULL; | |
772 | adapter->tx_ring[i].count = new_tx_count; | |
773 | err = igb_setup_tx_resources(adapter, | |
774 | &adapter->tx_ring[i]); | |
775 | if (err) { | |
776 | /* Restore the old one so at least | |
777 | the adapter still works, even if | |
778 | we failed the request */ | |
779 | adapter->tx_ring[i].buffer_info = old_buf; | |
780 | adapter->tx_ring[i].desc = old_desc; | |
781 | adapter->tx_ring[i].size = old_size; | |
782 | adapter->tx_ring[i].dma = old_dma; | |
783 | goto err_setup; | |
784 | } | |
785 | /* Free the old buffer manually */ | |
786 | vfree(old_buf); | |
787 | pci_free_consistent(adapter->pdev, old_size, | |
788 | old_desc, old_dma); | |
789 | } | |
790 | } | |
791 | ||
792 | if (new_rx_count != adapter->rx_ring->count) { | |
793 | for (i = 0; i < adapter->num_rx_queues; i++) { | |
794 | ||
795 | old_rx_buf = adapter->rx_ring[i].buffer_info; | |
796 | old_desc = adapter->rx_ring[i].desc; | |
797 | old_size = adapter->rx_ring[i].size; | |
798 | old_dma = adapter->rx_ring[i].dma; | |
799 | ||
800 | adapter->rx_ring[i].buffer_info = NULL; | |
801 | adapter->rx_ring[i].desc = NULL; | |
802 | adapter->rx_ring[i].dma = 0; | |
803 | adapter->rx_ring[i].count = new_rx_count; | |
804 | err = igb_setup_rx_resources(adapter, | |
805 | &adapter->rx_ring[i]); | |
806 | if (err) { | |
807 | adapter->rx_ring[i].buffer_info = old_rx_buf; | |
808 | adapter->rx_ring[i].desc = old_desc; | |
809 | adapter->rx_ring[i].size = old_size; | |
810 | adapter->rx_ring[i].dma = old_dma; | |
811 | goto err_setup; | |
812 | } | |
813 | ||
814 | vfree(old_rx_buf); | |
815 | pci_free_consistent(adapter->pdev, old_size, old_desc, | |
816 | old_dma); | |
817 | } | |
818 | } | |
819 | ||
820 | err = 0; | |
821 | err_setup: | |
822 | if (netif_running(adapter->netdev)) | |
823 | igb_up(adapter); | |
824 | ||
825 | clear_bit(__IGB_RESETTING, &adapter->state); | |
826 | return err; | |
827 | } | |
828 | ||
829 | /* ethtool register test data */ | |
830 | struct igb_reg_test { | |
831 | u16 reg; | |
832 | u8 array_len; | |
833 | u8 test_type; | |
834 | u32 mask; | |
835 | u32 write; | |
836 | }; | |
837 | ||
838 | /* In the hardware, registers are laid out either singly, in arrays | |
839 | * spaced 0x100 bytes apart, or in contiguous tables. We assume | |
840 | * most tests take place on arrays or single registers (handled | |
841 | * as a single-element array) and special-case the tables. | |
842 | * Table tests are always pattern tests. | |
843 | * | |
844 | * We also make provision for some required setup steps by specifying | |
845 | * registers to be written without any read-back testing. | |
846 | */ | |
847 | ||
848 | #define PATTERN_TEST 1 | |
849 | #define SET_READ_TEST 2 | |
850 | #define WRITE_NO_TEST 3 | |
851 | #define TABLE32_TEST 4 | |
852 | #define TABLE64_TEST_LO 5 | |
853 | #define TABLE64_TEST_HI 6 | |
854 | ||
855 | /* default register test */ | |
856 | static struct igb_reg_test reg_test_82575[] = { | |
857 | { E1000_FCAL, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, | |
858 | { E1000_FCAH, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF }, | |
859 | { E1000_FCT, 1, PATTERN_TEST, 0x0000FFFF, 0xFFFFFFFF }, | |
860 | { E1000_VET, 1, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, | |
861 | { E1000_RDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF }, | |
862 | { E1000_RDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, | |
863 | { E1000_RDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF }, | |
864 | /* Enable all four RX queues before testing. */ | |
865 | { E1000_RXDCTL(0), 4, WRITE_NO_TEST, 0, E1000_RXDCTL_QUEUE_ENABLE }, | |
866 | /* RDH is read-only for 82575, only test RDT. */ | |
867 | { E1000_RDT(0), 4, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF }, | |
868 | { E1000_RXDCTL(0), 4, WRITE_NO_TEST, 0, 0 }, | |
869 | { E1000_FCRTH, 1, PATTERN_TEST, 0x0000FFF0, 0x0000FFF0 }, | |
870 | { E1000_FCTTV, 1, PATTERN_TEST, 0x0000FFFF, 0x0000FFFF }, | |
871 | { E1000_TIPG, 1, PATTERN_TEST, 0x3FFFFFFF, 0x3FFFFFFF }, | |
872 | { E1000_TDBAL(0), 4, PATTERN_TEST, 0xFFFFFF80, 0xFFFFFFFF }, | |
873 | { E1000_TDBAH(0), 4, PATTERN_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, | |
874 | { E1000_TDLEN(0), 4, PATTERN_TEST, 0x000FFF80, 0x000FFFFF }, | |
875 | { E1000_RCTL, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 }, | |
876 | { E1000_RCTL, 1, SET_READ_TEST, 0x04CFB3FE, 0x003FFFFB }, | |
877 | { E1000_RCTL, 1, SET_READ_TEST, 0x04CFB3FE, 0xFFFFFFFF }, | |
878 | { E1000_TCTL, 1, SET_READ_TEST, 0xFFFFFFFF, 0x00000000 }, | |
879 | { E1000_TXCW, 1, PATTERN_TEST, 0xC000FFFF, 0x0000FFFF }, | |
880 | { E1000_RA, 16, TABLE64_TEST_LO, 0xFFFFFFFF, 0xFFFFFFFF }, | |
881 | { E1000_RA, 16, TABLE64_TEST_HI, 0x800FFFFF, 0xFFFFFFFF }, | |
882 | { E1000_MTA, 128, TABLE32_TEST, 0xFFFFFFFF, 0xFFFFFFFF }, | |
883 | { 0, 0, 0, 0 } | |
884 | }; | |
885 | ||
886 | static bool reg_pattern_test(struct igb_adapter *adapter, u64 *data, | |
887 | int reg, u32 mask, u32 write) | |
888 | { | |
889 | u32 pat, val; | |
890 | u32 _test[] = | |
891 | {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; | |
892 | for (pat = 0; pat < ARRAY_SIZE(_test); pat++) { | |
893 | writel((_test[pat] & write), (adapter->hw.hw_addr + reg)); | |
894 | val = readl(adapter->hw.hw_addr + reg); | |
895 | if (val != (_test[pat] & write & mask)) { | |
896 | dev_err(&adapter->pdev->dev, "pattern test reg %04X " | |
897 | "failed: got 0x%08X expected 0x%08X\n", | |
898 | reg, val, (_test[pat] & write & mask)); | |
899 | *data = reg; | |
900 | return 1; | |
901 | } | |
902 | } | |
903 | return 0; | |
904 | } | |
905 | ||
906 | static bool reg_set_and_check(struct igb_adapter *adapter, u64 *data, | |
907 | int reg, u32 mask, u32 write) | |
908 | { | |
909 | u32 val; | |
910 | writel((write & mask), (adapter->hw.hw_addr + reg)); | |
911 | val = readl(adapter->hw.hw_addr + reg); | |
912 | if ((write & mask) != (val & mask)) { | |
913 | dev_err(&adapter->pdev->dev, "set/check reg %04X test failed:" | |
914 | " got 0x%08X expected 0x%08X\n", reg, | |
915 | (val & mask), (write & mask)); | |
916 | *data = reg; | |
917 | return 1; | |
918 | } | |
919 | return 0; | |
920 | } | |
921 | ||
922 | #define REG_PATTERN_TEST(reg, mask, write) \ | |
923 | do { \ | |
924 | if (reg_pattern_test(adapter, data, reg, mask, write)) \ | |
925 | return 1; \ | |
926 | } while (0) | |
927 | ||
928 | #define REG_SET_AND_CHECK(reg, mask, write) \ | |
929 | do { \ | |
930 | if (reg_set_and_check(adapter, data, reg, mask, write)) \ | |
931 | return 1; \ | |
932 | } while (0) | |
933 | ||
934 | static int igb_reg_test(struct igb_adapter *adapter, u64 *data) | |
935 | { | |
936 | struct e1000_hw *hw = &adapter->hw; | |
937 | struct igb_reg_test *test; | |
938 | u32 value, before, after; | |
939 | u32 i, toggle; | |
940 | ||
941 | toggle = 0x7FFFF3FF; | |
942 | test = reg_test_82575; | |
943 | ||
944 | /* Because the status register is such a special case, | |
945 | * we handle it separately from the rest of the register | |
946 | * tests. Some bits are read-only, some toggle, and some | |
947 | * are writable on newer MACs. | |
948 | */ | |
949 | before = rd32(E1000_STATUS); | |
950 | value = (rd32(E1000_STATUS) & toggle); | |
951 | wr32(E1000_STATUS, toggle); | |
952 | after = rd32(E1000_STATUS) & toggle; | |
953 | if (value != after) { | |
954 | dev_err(&adapter->pdev->dev, "failed STATUS register test " | |
955 | "got: 0x%08X expected: 0x%08X\n", after, value); | |
956 | *data = 1; | |
957 | return 1; | |
958 | } | |
959 | /* restore previous status */ | |
960 | wr32(E1000_STATUS, before); | |
961 | ||
962 | /* Perform the remainder of the register test, looping through | |
963 | * the test table until we either fail or reach the null entry. | |
964 | */ | |
965 | while (test->reg) { | |
966 | for (i = 0; i < test->array_len; i++) { | |
967 | switch (test->test_type) { | |
968 | case PATTERN_TEST: | |
969 | REG_PATTERN_TEST(test->reg + (i * 0x100), | |
970 | test->mask, | |
971 | test->write); | |
972 | break; | |
973 | case SET_READ_TEST: | |
974 | REG_SET_AND_CHECK(test->reg + (i * 0x100), | |
975 | test->mask, | |
976 | test->write); | |
977 | break; | |
978 | case WRITE_NO_TEST: | |
979 | writel(test->write, | |
980 | (adapter->hw.hw_addr + test->reg) | |
981 | + (i * 0x100)); | |
982 | break; | |
983 | case TABLE32_TEST: | |
984 | REG_PATTERN_TEST(test->reg + (i * 4), | |
985 | test->mask, | |
986 | test->write); | |
987 | break; | |
988 | case TABLE64_TEST_LO: | |
989 | REG_PATTERN_TEST(test->reg + (i * 8), | |
990 | test->mask, | |
991 | test->write); | |
992 | break; | |
993 | case TABLE64_TEST_HI: | |
994 | REG_PATTERN_TEST((test->reg + 4) + (i * 8), | |
995 | test->mask, | |
996 | test->write); | |
997 | break; | |
998 | } | |
999 | } | |
1000 | test++; | |
1001 | } | |
1002 | ||
1003 | *data = 0; | |
1004 | return 0; | |
1005 | } | |
1006 | ||
1007 | static int igb_eeprom_test(struct igb_adapter *adapter, u64 *data) | |
1008 | { | |
1009 | u16 temp; | |
1010 | u16 checksum = 0; | |
1011 | u16 i; | |
1012 | ||
1013 | *data = 0; | |
1014 | /* Read and add up the contents of the EEPROM */ | |
1015 | for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { | |
1016 | if ((adapter->hw.nvm.ops.read_nvm(&adapter->hw, i, 1, &temp)) | |
1017 | < 0) { | |
1018 | *data = 1; | |
1019 | break; | |
1020 | } | |
1021 | checksum += temp; | |
1022 | } | |
1023 | ||
1024 | /* If Checksum is not Correct return error else test passed */ | |
1025 | if ((checksum != (u16) NVM_SUM) && !(*data)) | |
1026 | *data = 2; | |
1027 | ||
1028 | return *data; | |
1029 | } | |
1030 | ||
1031 | static irqreturn_t igb_test_intr(int irq, void *data) | |
1032 | { | |
1033 | struct net_device *netdev = (struct net_device *) data; | |
1034 | struct igb_adapter *adapter = netdev_priv(netdev); | |
1035 | struct e1000_hw *hw = &adapter->hw; | |
1036 | ||
1037 | adapter->test_icr |= rd32(E1000_ICR); | |
1038 | ||
1039 | return IRQ_HANDLED; | |
1040 | } | |
1041 | ||
1042 | static int igb_intr_test(struct igb_adapter *adapter, u64 *data) | |
1043 | { | |
1044 | struct e1000_hw *hw = &adapter->hw; | |
1045 | struct net_device *netdev = adapter->netdev; | |
1046 | u32 mask, i = 0, shared_int = true; | |
1047 | u32 irq = adapter->pdev->irq; | |
1048 | ||
1049 | *data = 0; | |
1050 | ||
1051 | /* Hook up test interrupt handler just for this test */ | |
1052 | if (adapter->msix_entries) { | |
1053 | /* NOTE: we don't test MSI-X interrupts here, yet */ | |
1054 | return 0; | |
1055 | } else if (adapter->msi_enabled) { | |
1056 | shared_int = false; | |
1057 | if (request_irq(irq, &igb_test_intr, 0, netdev->name, netdev)) { | |
1058 | *data = 1; | |
1059 | return -1; | |
1060 | } | |
1061 | } else if (!request_irq(irq, &igb_test_intr, IRQF_PROBE_SHARED, | |
1062 | netdev->name, netdev)) { | |
1063 | shared_int = false; | |
1064 | } else if (request_irq(irq, &igb_test_intr, IRQF_SHARED, | |
1065 | netdev->name, netdev)) { | |
1066 | *data = 1; | |
1067 | return -1; | |
1068 | } | |
1069 | dev_info(&adapter->pdev->dev, "testing %s interrupt\n", | |
1070 | (shared_int ? "shared" : "unshared")); | |
1071 | ||
1072 | /* Disable all the interrupts */ | |
1073 | wr32(E1000_IMC, 0xFFFFFFFF); | |
1074 | msleep(10); | |
1075 | ||
1076 | /* Test each interrupt */ | |
1077 | for (; i < 10; i++) { | |
1078 | /* Interrupt to test */ | |
1079 | mask = 1 << i; | |
1080 | ||
1081 | if (!shared_int) { | |
1082 | /* Disable the interrupt to be reported in | |
1083 | * the cause register and then force the same | |
1084 | * interrupt and see if one gets posted. If | |
1085 | * an interrupt was posted to the bus, the | |
1086 | * test failed. | |
1087 | */ | |
1088 | adapter->test_icr = 0; | |
1089 | wr32(E1000_IMC, ~mask & 0x00007FFF); | |
1090 | wr32(E1000_ICS, ~mask & 0x00007FFF); | |
1091 | msleep(10); | |
1092 | ||
1093 | if (adapter->test_icr & mask) { | |
1094 | *data = 3; | |
1095 | break; | |
1096 | } | |
1097 | } | |
1098 | ||
1099 | /* Enable the interrupt to be reported in | |
1100 | * the cause register and then force the same | |
1101 | * interrupt and see if one gets posted. If | |
1102 | * an interrupt was not posted to the bus, the | |
1103 | * test failed. | |
1104 | */ | |
1105 | adapter->test_icr = 0; | |
1106 | wr32(E1000_IMS, mask); | |
1107 | wr32(E1000_ICS, mask); | |
1108 | msleep(10); | |
1109 | ||
1110 | if (!(adapter->test_icr & mask)) { | |
1111 | *data = 4; | |
1112 | break; | |
1113 | } | |
1114 | ||
1115 | if (!shared_int) { | |
1116 | /* Disable the other interrupts to be reported in | |
1117 | * the cause register and then force the other | |
1118 | * interrupts and see if any get posted. If | |
1119 | * an interrupt was posted to the bus, the | |
1120 | * test failed. | |
1121 | */ | |
1122 | adapter->test_icr = 0; | |
1123 | wr32(E1000_IMC, ~mask & 0x00007FFF); | |
1124 | wr32(E1000_ICS, ~mask & 0x00007FFF); | |
1125 | msleep(10); | |
1126 | ||
1127 | if (adapter->test_icr) { | |
1128 | *data = 5; | |
1129 | break; | |
1130 | } | |
1131 | } | |
1132 | } | |
1133 | ||
1134 | /* Disable all the interrupts */ | |
1135 | wr32(E1000_IMC, 0xFFFFFFFF); | |
1136 | msleep(10); | |
1137 | ||
1138 | /* Unhook test interrupt handler */ | |
1139 | free_irq(irq, netdev); | |
1140 | ||
1141 | return *data; | |
1142 | } | |
1143 | ||
1144 | static void igb_free_desc_rings(struct igb_adapter *adapter) | |
1145 | { | |
1146 | struct igb_ring *tx_ring = &adapter->test_tx_ring; | |
1147 | struct igb_ring *rx_ring = &adapter->test_rx_ring; | |
1148 | struct pci_dev *pdev = adapter->pdev; | |
1149 | int i; | |
1150 | ||
1151 | if (tx_ring->desc && tx_ring->buffer_info) { | |
1152 | for (i = 0; i < tx_ring->count; i++) { | |
1153 | struct igb_buffer *buf = &(tx_ring->buffer_info[i]); | |
1154 | if (buf->dma) | |
1155 | pci_unmap_single(pdev, buf->dma, buf->length, | |
1156 | PCI_DMA_TODEVICE); | |
1157 | if (buf->skb) | |
1158 | dev_kfree_skb(buf->skb); | |
1159 | } | |
1160 | } | |
1161 | ||
1162 | if (rx_ring->desc && rx_ring->buffer_info) { | |
1163 | for (i = 0; i < rx_ring->count; i++) { | |
1164 | struct igb_buffer *buf = &(rx_ring->buffer_info[i]); | |
1165 | if (buf->dma) | |
1166 | pci_unmap_single(pdev, buf->dma, | |
1167 | IGB_RXBUFFER_2048, | |
1168 | PCI_DMA_FROMDEVICE); | |
1169 | if (buf->skb) | |
1170 | dev_kfree_skb(buf->skb); | |
1171 | } | |
1172 | } | |
1173 | ||
1174 | if (tx_ring->desc) { | |
1175 | pci_free_consistent(pdev, tx_ring->size, tx_ring->desc, | |
1176 | tx_ring->dma); | |
1177 | tx_ring->desc = NULL; | |
1178 | } | |
1179 | if (rx_ring->desc) { | |
1180 | pci_free_consistent(pdev, rx_ring->size, rx_ring->desc, | |
1181 | rx_ring->dma); | |
1182 | rx_ring->desc = NULL; | |
1183 | } | |
1184 | ||
1185 | kfree(tx_ring->buffer_info); | |
1186 | tx_ring->buffer_info = NULL; | |
1187 | kfree(rx_ring->buffer_info); | |
1188 | rx_ring->buffer_info = NULL; | |
1189 | ||
1190 | return; | |
1191 | } | |
1192 | ||
1193 | static int igb_setup_desc_rings(struct igb_adapter *adapter) | |
1194 | { | |
1195 | struct e1000_hw *hw = &adapter->hw; | |
1196 | struct igb_ring *tx_ring = &adapter->test_tx_ring; | |
1197 | struct igb_ring *rx_ring = &adapter->test_rx_ring; | |
1198 | struct pci_dev *pdev = adapter->pdev; | |
1199 | u32 rctl; | |
1200 | int i, ret_val; | |
1201 | ||
1202 | /* Setup Tx descriptor ring and Tx buffers */ | |
1203 | ||
1204 | if (!tx_ring->count) | |
1205 | tx_ring->count = IGB_DEFAULT_TXD; | |
1206 | ||
1207 | tx_ring->buffer_info = kcalloc(tx_ring->count, | |
1208 | sizeof(struct igb_buffer), | |
1209 | GFP_KERNEL); | |
1210 | if (!tx_ring->buffer_info) { | |
1211 | ret_val = 1; | |
1212 | goto err_nomem; | |
1213 | } | |
1214 | ||
1215 | tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc); | |
1216 | tx_ring->size = ALIGN(tx_ring->size, 4096); | |
1217 | tx_ring->desc = pci_alloc_consistent(pdev, tx_ring->size, | |
1218 | &tx_ring->dma); | |
1219 | if (!tx_ring->desc) { | |
1220 | ret_val = 2; | |
1221 | goto err_nomem; | |
1222 | } | |
1223 | tx_ring->next_to_use = tx_ring->next_to_clean = 0; | |
1224 | ||
1225 | wr32(E1000_TDBAL(0), | |
1226 | ((u64) tx_ring->dma & 0x00000000FFFFFFFF)); | |
1227 | wr32(E1000_TDBAH(0), ((u64) tx_ring->dma >> 32)); | |
1228 | wr32(E1000_TDLEN(0), | |
1229 | tx_ring->count * sizeof(struct e1000_tx_desc)); | |
1230 | wr32(E1000_TDH(0), 0); | |
1231 | wr32(E1000_TDT(0), 0); | |
1232 | wr32(E1000_TCTL, | |
1233 | E1000_TCTL_PSP | E1000_TCTL_EN | | |
1234 | E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | | |
1235 | E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT); | |
1236 | ||
1237 | for (i = 0; i < tx_ring->count; i++) { | |
1238 | struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i); | |
1239 | struct sk_buff *skb; | |
1240 | unsigned int size = 1024; | |
1241 | ||
1242 | skb = alloc_skb(size, GFP_KERNEL); | |
1243 | if (!skb) { | |
1244 | ret_val = 3; | |
1245 | goto err_nomem; | |
1246 | } | |
1247 | skb_put(skb, size); | |
1248 | tx_ring->buffer_info[i].skb = skb; | |
1249 | tx_ring->buffer_info[i].length = skb->len; | |
1250 | tx_ring->buffer_info[i].dma = | |
1251 | pci_map_single(pdev, skb->data, skb->len, | |
1252 | PCI_DMA_TODEVICE); | |
1253 | tx_desc->buffer_addr = cpu_to_le64(tx_ring->buffer_info[i].dma); | |
1254 | tx_desc->lower.data = cpu_to_le32(skb->len); | |
1255 | tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | | |
1256 | E1000_TXD_CMD_IFCS | | |
1257 | E1000_TXD_CMD_RS); | |
1258 | tx_desc->upper.data = 0; | |
1259 | } | |
1260 | ||
1261 | /* Setup Rx descriptor ring and Rx buffers */ | |
1262 | ||
1263 | if (!rx_ring->count) | |
1264 | rx_ring->count = IGB_DEFAULT_RXD; | |
1265 | ||
1266 | rx_ring->buffer_info = kcalloc(rx_ring->count, | |
1267 | sizeof(struct igb_buffer), | |
1268 | GFP_KERNEL); | |
1269 | if (!rx_ring->buffer_info) { | |
1270 | ret_val = 4; | |
1271 | goto err_nomem; | |
1272 | } | |
1273 | ||
1274 | rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc); | |
1275 | rx_ring->desc = pci_alloc_consistent(pdev, rx_ring->size, | |
1276 | &rx_ring->dma); | |
1277 | if (!rx_ring->desc) { | |
1278 | ret_val = 5; | |
1279 | goto err_nomem; | |
1280 | } | |
1281 | rx_ring->next_to_use = rx_ring->next_to_clean = 0; | |
1282 | ||
1283 | rctl = rd32(E1000_RCTL); | |
1284 | wr32(E1000_RCTL, rctl & ~E1000_RCTL_EN); | |
1285 | wr32(E1000_RDBAL(0), | |
1286 | ((u64) rx_ring->dma & 0xFFFFFFFF)); | |
1287 | wr32(E1000_RDBAH(0), | |
1288 | ((u64) rx_ring->dma >> 32)); | |
1289 | wr32(E1000_RDLEN(0), rx_ring->size); | |
1290 | wr32(E1000_RDH(0), 0); | |
1291 | wr32(E1000_RDT(0), 0); | |
1292 | rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | | |
1293 | E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | | |
1294 | (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT); | |
1295 | wr32(E1000_RCTL, rctl); | |
1296 | wr32(E1000_SRRCTL(0), 0); | |
1297 | ||
1298 | for (i = 0; i < rx_ring->count; i++) { | |
1299 | struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i); | |
1300 | struct sk_buff *skb; | |
1301 | ||
1302 | skb = alloc_skb(IGB_RXBUFFER_2048 + NET_IP_ALIGN, | |
1303 | GFP_KERNEL); | |
1304 | if (!skb) { | |
1305 | ret_val = 6; | |
1306 | goto err_nomem; | |
1307 | } | |
1308 | skb_reserve(skb, NET_IP_ALIGN); | |
1309 | rx_ring->buffer_info[i].skb = skb; | |
1310 | rx_ring->buffer_info[i].dma = | |
1311 | pci_map_single(pdev, skb->data, IGB_RXBUFFER_2048, | |
1312 | PCI_DMA_FROMDEVICE); | |
1313 | rx_desc->buffer_addr = cpu_to_le64(rx_ring->buffer_info[i].dma); | |
1314 | memset(skb->data, 0x00, skb->len); | |
1315 | } | |
1316 | ||
1317 | return 0; | |
1318 | ||
1319 | err_nomem: | |
1320 | igb_free_desc_rings(adapter); | |
1321 | return ret_val; | |
1322 | } | |
1323 | ||
1324 | static void igb_phy_disable_receiver(struct igb_adapter *adapter) | |
1325 | { | |
1326 | struct e1000_hw *hw = &adapter->hw; | |
1327 | ||
1328 | /* Write out to PHY registers 29 and 30 to disable the Receiver. */ | |
1329 | hw->phy.ops.write_phy_reg(hw, 29, 0x001F); | |
1330 | hw->phy.ops.write_phy_reg(hw, 30, 0x8FFC); | |
1331 | hw->phy.ops.write_phy_reg(hw, 29, 0x001A); | |
1332 | hw->phy.ops.write_phy_reg(hw, 30, 0x8FF0); | |
1333 | } | |
1334 | ||
1335 | static int igb_integrated_phy_loopback(struct igb_adapter *adapter) | |
1336 | { | |
1337 | struct e1000_hw *hw = &adapter->hw; | |
1338 | u32 ctrl_reg = 0; | |
1339 | u32 stat_reg = 0; | |
1340 | ||
1341 | hw->mac.autoneg = false; | |
1342 | ||
1343 | if (hw->phy.type == e1000_phy_m88) { | |
1344 | /* Auto-MDI/MDIX Off */ | |
1345 | hw->phy.ops.write_phy_reg(hw, M88E1000_PHY_SPEC_CTRL, 0x0808); | |
1346 | /* reset to update Auto-MDI/MDIX */ | |
1347 | hw->phy.ops.write_phy_reg(hw, PHY_CONTROL, 0x9140); | |
1348 | /* autoneg off */ | |
1349 | hw->phy.ops.write_phy_reg(hw, PHY_CONTROL, 0x8140); | |
1350 | } | |
1351 | ||
1352 | ctrl_reg = rd32(E1000_CTRL); | |
1353 | ||
1354 | /* force 1000, set loopback */ | |
1355 | hw->phy.ops.write_phy_reg(hw, PHY_CONTROL, 0x4140); | |
1356 | ||
1357 | /* Now set up the MAC to the same speed/duplex as the PHY. */ | |
1358 | ctrl_reg = rd32(E1000_CTRL); | |
1359 | ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ | |
1360 | ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ | |
1361 | E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ | |
1362 | E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ | |
1363 | E1000_CTRL_FD); /* Force Duplex to FULL */ | |
1364 | ||
1365 | if (hw->phy.media_type == e1000_media_type_copper && | |
1366 | hw->phy.type == e1000_phy_m88) | |
1367 | ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ | |
1368 | else { | |
1369 | /* Set the ILOS bit on the fiber Nic if half duplex link is | |
1370 | * detected. */ | |
1371 | stat_reg = rd32(E1000_STATUS); | |
1372 | if ((stat_reg & E1000_STATUS_FD) == 0) | |
1373 | ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); | |
1374 | } | |
1375 | ||
1376 | wr32(E1000_CTRL, ctrl_reg); | |
1377 | ||
1378 | /* Disable the receiver on the PHY so when a cable is plugged in, the | |
1379 | * PHY does not begin to autoneg when a cable is reconnected to the NIC. | |
1380 | */ | |
1381 | if (hw->phy.type == e1000_phy_m88) | |
1382 | igb_phy_disable_receiver(adapter); | |
1383 | ||
1384 | udelay(500); | |
1385 | ||
1386 | return 0; | |
1387 | } | |
1388 | ||
1389 | static int igb_set_phy_loopback(struct igb_adapter *adapter) | |
1390 | { | |
1391 | return igb_integrated_phy_loopback(adapter); | |
1392 | } | |
1393 | ||
1394 | static int igb_setup_loopback_test(struct igb_adapter *adapter) | |
1395 | { | |
1396 | struct e1000_hw *hw = &adapter->hw; | |
1397 | u32 rctl; | |
1398 | ||
1399 | if (hw->phy.media_type == e1000_media_type_fiber || | |
1400 | hw->phy.media_type == e1000_media_type_internal_serdes) { | |
1401 | rctl = rd32(E1000_RCTL); | |
1402 | rctl |= E1000_RCTL_LBM_TCVR; | |
1403 | wr32(E1000_RCTL, rctl); | |
1404 | return 0; | |
1405 | } else if (hw->phy.media_type == e1000_media_type_copper) { | |
1406 | return igb_set_phy_loopback(adapter); | |
1407 | } | |
1408 | ||
1409 | return 7; | |
1410 | } | |
1411 | ||
1412 | static void igb_loopback_cleanup(struct igb_adapter *adapter) | |
1413 | { | |
1414 | struct e1000_hw *hw = &adapter->hw; | |
1415 | u32 rctl; | |
1416 | u16 phy_reg; | |
1417 | ||
1418 | rctl = rd32(E1000_RCTL); | |
1419 | rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); | |
1420 | wr32(E1000_RCTL, rctl); | |
1421 | ||
1422 | hw->mac.autoneg = true; | |
1423 | hw->phy.ops.read_phy_reg(hw, PHY_CONTROL, &phy_reg); | |
1424 | if (phy_reg & MII_CR_LOOPBACK) { | |
1425 | phy_reg &= ~MII_CR_LOOPBACK; | |
1426 | hw->phy.ops.write_phy_reg(hw, PHY_CONTROL, phy_reg); | |
1427 | igb_phy_sw_reset(hw); | |
1428 | } | |
1429 | } | |
1430 | ||
1431 | static void igb_create_lbtest_frame(struct sk_buff *skb, | |
1432 | unsigned int frame_size) | |
1433 | { | |
1434 | memset(skb->data, 0xFF, frame_size); | |
1435 | frame_size &= ~1; | |
1436 | memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); | |
1437 | memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); | |
1438 | memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); | |
1439 | } | |
1440 | ||
1441 | static int igb_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size) | |
1442 | { | |
1443 | frame_size &= ~1; | |
1444 | if (*(skb->data + 3) == 0xFF) | |
1445 | if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && | |
1446 | (*(skb->data + frame_size / 2 + 12) == 0xAF)) | |
1447 | return 0; | |
1448 | return 13; | |
1449 | } | |
1450 | ||
1451 | static int igb_run_loopback_test(struct igb_adapter *adapter) | |
1452 | { | |
1453 | struct e1000_hw *hw = &adapter->hw; | |
1454 | struct igb_ring *tx_ring = &adapter->test_tx_ring; | |
1455 | struct igb_ring *rx_ring = &adapter->test_rx_ring; | |
1456 | struct pci_dev *pdev = adapter->pdev; | |
1457 | int i, j, k, l, lc, good_cnt; | |
1458 | int ret_val = 0; | |
1459 | unsigned long time; | |
1460 | ||
1461 | wr32(E1000_RDT(0), rx_ring->count - 1); | |
1462 | ||
1463 | /* Calculate the loop count based on the largest descriptor ring | |
1464 | * The idea is to wrap the largest ring a number of times using 64 | |
1465 | * send/receive pairs during each loop | |
1466 | */ | |
1467 | ||
1468 | if (rx_ring->count <= tx_ring->count) | |
1469 | lc = ((tx_ring->count / 64) * 2) + 1; | |
1470 | else | |
1471 | lc = ((rx_ring->count / 64) * 2) + 1; | |
1472 | ||
1473 | k = l = 0; | |
1474 | for (j = 0; j <= lc; j++) { /* loop count loop */ | |
1475 | for (i = 0; i < 64; i++) { /* send the packets */ | |
1476 | igb_create_lbtest_frame(tx_ring->buffer_info[k].skb, | |
1477 | 1024); | |
1478 | pci_dma_sync_single_for_device(pdev, | |
1479 | tx_ring->buffer_info[k].dma, | |
1480 | tx_ring->buffer_info[k].length, | |
1481 | PCI_DMA_TODEVICE); | |
1482 | k++; | |
1483 | if (k == tx_ring->count) | |
1484 | k = 0; | |
1485 | } | |
1486 | wr32(E1000_TDT(0), k); | |
1487 | msleep(200); | |
1488 | time = jiffies; /* set the start time for the receive */ | |
1489 | good_cnt = 0; | |
1490 | do { /* receive the sent packets */ | |
1491 | pci_dma_sync_single_for_cpu(pdev, | |
1492 | rx_ring->buffer_info[l].dma, | |
1493 | IGB_RXBUFFER_2048, | |
1494 | PCI_DMA_FROMDEVICE); | |
1495 | ||
1496 | ret_val = igb_check_lbtest_frame( | |
1497 | rx_ring->buffer_info[l].skb, 1024); | |
1498 | if (!ret_val) | |
1499 | good_cnt++; | |
1500 | l++; | |
1501 | if (l == rx_ring->count) | |
1502 | l = 0; | |
1503 | /* time + 20 msecs (200 msecs on 2.4) is more than | |
1504 | * enough time to complete the receives, if it's | |
1505 | * exceeded, break and error off | |
1506 | */ | |
1507 | } while (good_cnt < 64 && jiffies < (time + 20)); | |
1508 | if (good_cnt != 64) { | |
1509 | ret_val = 13; /* ret_val is the same as mis-compare */ | |
1510 | break; | |
1511 | } | |
1512 | if (jiffies >= (time + 20)) { | |
1513 | ret_val = 14; /* error code for time out error */ | |
1514 | break; | |
1515 | } | |
1516 | } /* end loop count loop */ | |
1517 | return ret_val; | |
1518 | } | |
1519 | ||
1520 | static int igb_loopback_test(struct igb_adapter *adapter, u64 *data) | |
1521 | { | |
1522 | /* PHY loopback cannot be performed if SoL/IDER | |
1523 | * sessions are active */ | |
1524 | if (igb_check_reset_block(&adapter->hw)) { | |
1525 | dev_err(&adapter->pdev->dev, | |
1526 | "Cannot do PHY loopback test " | |
1527 | "when SoL/IDER is active.\n"); | |
1528 | *data = 0; | |
1529 | goto out; | |
1530 | } | |
1531 | *data = igb_setup_desc_rings(adapter); | |
1532 | if (*data) | |
1533 | goto out; | |
1534 | *data = igb_setup_loopback_test(adapter); | |
1535 | if (*data) | |
1536 | goto err_loopback; | |
1537 | *data = igb_run_loopback_test(adapter); | |
1538 | igb_loopback_cleanup(adapter); | |
1539 | ||
1540 | err_loopback: | |
1541 | igb_free_desc_rings(adapter); | |
1542 | out: | |
1543 | return *data; | |
1544 | } | |
1545 | ||
1546 | static int igb_link_test(struct igb_adapter *adapter, u64 *data) | |
1547 | { | |
1548 | struct e1000_hw *hw = &adapter->hw; | |
1549 | *data = 0; | |
1550 | if (hw->phy.media_type == e1000_media_type_internal_serdes) { | |
1551 | int i = 0; | |
1552 | hw->mac.serdes_has_link = false; | |
1553 | ||
1554 | /* On some blade server designs, link establishment | |
1555 | * could take as long as 2-3 minutes */ | |
1556 | do { | |
1557 | hw->mac.ops.check_for_link(&adapter->hw); | |
1558 | if (hw->mac.serdes_has_link) | |
1559 | return *data; | |
1560 | msleep(20); | |
1561 | } while (i++ < 3750); | |
1562 | ||
1563 | *data = 1; | |
1564 | } else { | |
1565 | hw->mac.ops.check_for_link(&adapter->hw); | |
1566 | if (hw->mac.autoneg) | |
1567 | msleep(4000); | |
1568 | ||
1569 | if (!(rd32(E1000_STATUS) & | |
1570 | E1000_STATUS_LU)) | |
1571 | *data = 1; | |
1572 | } | |
1573 | return *data; | |
1574 | } | |
1575 | ||
1576 | static void igb_diag_test(struct net_device *netdev, | |
1577 | struct ethtool_test *eth_test, u64 *data) | |
1578 | { | |
1579 | struct igb_adapter *adapter = netdev_priv(netdev); | |
1580 | u16 autoneg_advertised; | |
1581 | u8 forced_speed_duplex, autoneg; | |
1582 | bool if_running = netif_running(netdev); | |
1583 | ||
1584 | set_bit(__IGB_TESTING, &adapter->state); | |
1585 | if (eth_test->flags == ETH_TEST_FL_OFFLINE) { | |
1586 | /* Offline tests */ | |
1587 | ||
1588 | /* save speed, duplex, autoneg settings */ | |
1589 | autoneg_advertised = adapter->hw.phy.autoneg_advertised; | |
1590 | forced_speed_duplex = adapter->hw.mac.forced_speed_duplex; | |
1591 | autoneg = adapter->hw.mac.autoneg; | |
1592 | ||
1593 | dev_info(&adapter->pdev->dev, "offline testing starting\n"); | |
1594 | ||
1595 | /* Link test performed before hardware reset so autoneg doesn't | |
1596 | * interfere with test result */ | |
1597 | if (igb_link_test(adapter, &data[4])) | |
1598 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
1599 | ||
1600 | if (if_running) | |
1601 | /* indicate we're in test mode */ | |
1602 | dev_close(netdev); | |
1603 | else | |
1604 | igb_reset(adapter); | |
1605 | ||
1606 | if (igb_reg_test(adapter, &data[0])) | |
1607 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
1608 | ||
1609 | igb_reset(adapter); | |
1610 | if (igb_eeprom_test(adapter, &data[1])) | |
1611 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
1612 | ||
1613 | igb_reset(adapter); | |
1614 | if (igb_intr_test(adapter, &data[2])) | |
1615 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
1616 | ||
1617 | igb_reset(adapter); | |
1618 | if (igb_loopback_test(adapter, &data[3])) | |
1619 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
1620 | ||
1621 | /* restore speed, duplex, autoneg settings */ | |
1622 | adapter->hw.phy.autoneg_advertised = autoneg_advertised; | |
1623 | adapter->hw.mac.forced_speed_duplex = forced_speed_duplex; | |
1624 | adapter->hw.mac.autoneg = autoneg; | |
1625 | ||
1626 | /* force this routine to wait until autoneg complete/timeout */ | |
1627 | adapter->hw.phy.autoneg_wait_to_complete = true; | |
1628 | igb_reset(adapter); | |
1629 | adapter->hw.phy.autoneg_wait_to_complete = false; | |
1630 | ||
1631 | clear_bit(__IGB_TESTING, &adapter->state); | |
1632 | if (if_running) | |
1633 | dev_open(netdev); | |
1634 | } else { | |
1635 | dev_info(&adapter->pdev->dev, "online testing starting\n"); | |
1636 | /* Online tests */ | |
1637 | if (igb_link_test(adapter, &data[4])) | |
1638 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
1639 | ||
1640 | /* Online tests aren't run; pass by default */ | |
1641 | data[0] = 0; | |
1642 | data[1] = 0; | |
1643 | data[2] = 0; | |
1644 | data[3] = 0; | |
1645 | ||
1646 | clear_bit(__IGB_TESTING, &adapter->state); | |
1647 | } | |
1648 | msleep_interruptible(4 * 1000); | |
1649 | } | |
1650 | ||
1651 | static int igb_wol_exclusion(struct igb_adapter *adapter, | |
1652 | struct ethtool_wolinfo *wol) | |
1653 | { | |
1654 | struct e1000_hw *hw = &adapter->hw; | |
1655 | int retval = 1; /* fail by default */ | |
1656 | ||
1657 | switch (hw->device_id) { | |
1658 | case E1000_DEV_ID_82575GB_QUAD_COPPER: | |
1659 | /* WoL not supported */ | |
1660 | wol->supported = 0; | |
1661 | break; | |
1662 | case E1000_DEV_ID_82575EB_FIBER_SERDES: | |
1663 | /* Wake events not supported on port B */ | |
1664 | if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1) { | |
1665 | wol->supported = 0; | |
1666 | break; | |
1667 | } | |
1668 | /* return success for non excluded adapter ports */ | |
1669 | retval = 0; | |
1670 | break; | |
1671 | default: | |
1672 | /* dual port cards only support WoL on port A from now on | |
1673 | * unless it was enabled in the eeprom for port B | |
1674 | * so exclude FUNC_1 ports from having WoL enabled */ | |
1675 | if (rd32(E1000_STATUS) & E1000_STATUS_FUNC_1 && | |
1676 | !adapter->eeprom_wol) { | |
1677 | wol->supported = 0; | |
1678 | break; | |
1679 | } | |
1680 | ||
1681 | retval = 0; | |
1682 | } | |
1683 | ||
1684 | return retval; | |
1685 | } | |
1686 | ||
1687 | static void igb_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) | |
1688 | { | |
1689 | struct igb_adapter *adapter = netdev_priv(netdev); | |
1690 | ||
1691 | wol->supported = WAKE_UCAST | WAKE_MCAST | | |
1692 | WAKE_BCAST | WAKE_MAGIC; | |
1693 | wol->wolopts = 0; | |
1694 | ||
1695 | /* this function will set ->supported = 0 and return 1 if wol is not | |
1696 | * supported by this hardware */ | |
1697 | if (igb_wol_exclusion(adapter, wol)) | |
1698 | return; | |
1699 | ||
1700 | /* apply any specific unsupported masks here */ | |
1701 | switch (adapter->hw.device_id) { | |
1702 | default: | |
1703 | break; | |
1704 | } | |
1705 | ||
1706 | if (adapter->wol & E1000_WUFC_EX) | |
1707 | wol->wolopts |= WAKE_UCAST; | |
1708 | if (adapter->wol & E1000_WUFC_MC) | |
1709 | wol->wolopts |= WAKE_MCAST; | |
1710 | if (adapter->wol & E1000_WUFC_BC) | |
1711 | wol->wolopts |= WAKE_BCAST; | |
1712 | if (adapter->wol & E1000_WUFC_MAG) | |
1713 | wol->wolopts |= WAKE_MAGIC; | |
1714 | ||
1715 | return; | |
1716 | } | |
1717 | ||
1718 | static int igb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) | |
1719 | { | |
1720 | struct igb_adapter *adapter = netdev_priv(netdev); | |
1721 | struct e1000_hw *hw = &adapter->hw; | |
1722 | ||
1723 | if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) | |
1724 | return -EOPNOTSUPP; | |
1725 | ||
1726 | if (igb_wol_exclusion(adapter, wol)) | |
1727 | return wol->wolopts ? -EOPNOTSUPP : 0; | |
1728 | ||
1729 | switch (hw->device_id) { | |
1730 | default: | |
1731 | break; | |
1732 | } | |
1733 | ||
1734 | /* these settings will always override what we currently have */ | |
1735 | adapter->wol = 0; | |
1736 | ||
1737 | if (wol->wolopts & WAKE_UCAST) | |
1738 | adapter->wol |= E1000_WUFC_EX; | |
1739 | if (wol->wolopts & WAKE_MCAST) | |
1740 | adapter->wol |= E1000_WUFC_MC; | |
1741 | if (wol->wolopts & WAKE_BCAST) | |
1742 | adapter->wol |= E1000_WUFC_BC; | |
1743 | if (wol->wolopts & WAKE_MAGIC) | |
1744 | adapter->wol |= E1000_WUFC_MAG; | |
1745 | ||
1746 | return 0; | |
1747 | } | |
1748 | ||
1749 | /* toggle LED 4 times per second = 2 "blinks" per second */ | |
1750 | #define IGB_ID_INTERVAL (HZ/4) | |
1751 | ||
1752 | /* bit defines for adapter->led_status */ | |
1753 | #define IGB_LED_ON 0 | |
1754 | ||
1755 | static int igb_phys_id(struct net_device *netdev, u32 data) | |
1756 | { | |
1757 | struct igb_adapter *adapter = netdev_priv(netdev); | |
1758 | struct e1000_hw *hw = &adapter->hw; | |
1759 | ||
1760 | if (!data || data > (u32)(MAX_SCHEDULE_TIMEOUT / HZ)) | |
1761 | data = (u32)(MAX_SCHEDULE_TIMEOUT / HZ); | |
1762 | ||
1763 | igb_blink_led(hw); | |
1764 | msleep_interruptible(data * 1000); | |
1765 | ||
1766 | igb_led_off(hw); | |
1767 | clear_bit(IGB_LED_ON, &adapter->led_status); | |
1768 | igb_cleanup_led(hw); | |
1769 | ||
1770 | return 0; | |
1771 | } | |
1772 | ||
1773 | static int igb_set_coalesce(struct net_device *netdev, | |
1774 | struct ethtool_coalesce *ec) | |
1775 | { | |
1776 | struct igb_adapter *adapter = netdev_priv(netdev); | |
1777 | ||
1778 | if ((ec->rx_coalesce_usecs > IGB_MAX_ITR_USECS) || | |
1779 | ((ec->rx_coalesce_usecs > 3) && | |
1780 | (ec->rx_coalesce_usecs < IGB_MIN_ITR_USECS)) || | |
1781 | (ec->rx_coalesce_usecs == 2)) | |
1782 | return -EINVAL; | |
1783 | ||
1784 | /* convert to rate of irq's per second */ | |
1785 | if (ec->rx_coalesce_usecs <= 3) | |
1786 | adapter->itr_setting = ec->rx_coalesce_usecs; | |
1787 | else | |
1788 | adapter->itr_setting = (1000000 / ec->rx_coalesce_usecs); | |
1789 | ||
1790 | if (netif_running(netdev)) | |
1791 | igb_reinit_locked(adapter); | |
1792 | ||
1793 | return 0; | |
1794 | } | |
1795 | ||
1796 | static int igb_get_coalesce(struct net_device *netdev, | |
1797 | struct ethtool_coalesce *ec) | |
1798 | { | |
1799 | struct igb_adapter *adapter = netdev_priv(netdev); | |
1800 | ||
1801 | if (adapter->itr_setting <= 3) | |
1802 | ec->rx_coalesce_usecs = adapter->itr_setting; | |
1803 | else | |
1804 | ec->rx_coalesce_usecs = 1000000 / adapter->itr_setting; | |
1805 | ||
1806 | return 0; | |
1807 | } | |
1808 | ||
1809 | ||
1810 | static int igb_nway_reset(struct net_device *netdev) | |
1811 | { | |
1812 | struct igb_adapter *adapter = netdev_priv(netdev); | |
1813 | if (netif_running(netdev)) | |
1814 | igb_reinit_locked(adapter); | |
1815 | return 0; | |
1816 | } | |
1817 | ||
1818 | static int igb_get_sset_count(struct net_device *netdev, int sset) | |
1819 | { | |
1820 | switch (sset) { | |
1821 | case ETH_SS_STATS: | |
1822 | return IGB_STATS_LEN; | |
1823 | case ETH_SS_TEST: | |
1824 | return IGB_TEST_LEN; | |
1825 | default: | |
1826 | return -ENOTSUPP; | |
1827 | } | |
1828 | } | |
1829 | ||
1830 | static void igb_get_ethtool_stats(struct net_device *netdev, | |
1831 | struct ethtool_stats *stats, u64 *data) | |
1832 | { | |
1833 | struct igb_adapter *adapter = netdev_priv(netdev); | |
1834 | u64 *queue_stat; | |
1835 | int stat_count = sizeof(struct igb_queue_stats) / sizeof(u64); | |
1836 | int j; | |
1837 | int i; | |
1838 | ||
1839 | igb_update_stats(adapter); | |
1840 | for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) { | |
1841 | char *p = (char *)adapter+igb_gstrings_stats[i].stat_offset; | |
1842 | data[i] = (igb_gstrings_stats[i].sizeof_stat == | |
1843 | sizeof(u64)) ? *(u64 *)p : *(u32 *)p; | |
1844 | } | |
1845 | for (j = 0; j < adapter->num_rx_queues; j++) { | |
1846 | int k; | |
1847 | queue_stat = (u64 *)&adapter->rx_ring[j].rx_stats; | |
1848 | for (k = 0; k < stat_count; k++) | |
1849 | data[i + k] = queue_stat[k]; | |
1850 | i += k; | |
1851 | } | |
1852 | } | |
1853 | ||
1854 | static void igb_get_strings(struct net_device *netdev, u32 stringset, u8 *data) | |
1855 | { | |
1856 | struct igb_adapter *adapter = netdev_priv(netdev); | |
1857 | u8 *p = data; | |
1858 | int i; | |
1859 | ||
1860 | switch (stringset) { | |
1861 | case ETH_SS_TEST: | |
1862 | memcpy(data, *igb_gstrings_test, | |
1863 | IGB_TEST_LEN*ETH_GSTRING_LEN); | |
1864 | break; | |
1865 | case ETH_SS_STATS: | |
1866 | for (i = 0; i < IGB_GLOBAL_STATS_LEN; i++) { | |
1867 | memcpy(p, igb_gstrings_stats[i].stat_string, | |
1868 | ETH_GSTRING_LEN); | |
1869 | p += ETH_GSTRING_LEN; | |
1870 | } | |
1871 | for (i = 0; i < adapter->num_tx_queues; i++) { | |
1872 | sprintf(p, "tx_queue_%u_packets", i); | |
1873 | p += ETH_GSTRING_LEN; | |
1874 | sprintf(p, "tx_queue_%u_bytes", i); | |
1875 | p += ETH_GSTRING_LEN; | |
1876 | } | |
1877 | for (i = 0; i < adapter->num_rx_queues; i++) { | |
1878 | sprintf(p, "rx_queue_%u_packets", i); | |
1879 | p += ETH_GSTRING_LEN; | |
1880 | sprintf(p, "rx_queue_%u_bytes", i); | |
1881 | p += ETH_GSTRING_LEN; | |
1882 | } | |
1883 | /* BUG_ON(p - data != IGB_STATS_LEN * ETH_GSTRING_LEN); */ | |
1884 | break; | |
1885 | } | |
1886 | } | |
1887 | ||
1888 | static struct ethtool_ops igb_ethtool_ops = { | |
1889 | .get_settings = igb_get_settings, | |
1890 | .set_settings = igb_set_settings, | |
1891 | .get_drvinfo = igb_get_drvinfo, | |
1892 | .get_regs_len = igb_get_regs_len, | |
1893 | .get_regs = igb_get_regs, | |
1894 | .get_wol = igb_get_wol, | |
1895 | .set_wol = igb_set_wol, | |
1896 | .get_msglevel = igb_get_msglevel, | |
1897 | .set_msglevel = igb_set_msglevel, | |
1898 | .nway_reset = igb_nway_reset, | |
1899 | .get_link = ethtool_op_get_link, | |
1900 | .get_eeprom_len = igb_get_eeprom_len, | |
1901 | .get_eeprom = igb_get_eeprom, | |
1902 | .set_eeprom = igb_set_eeprom, | |
1903 | .get_ringparam = igb_get_ringparam, | |
1904 | .set_ringparam = igb_set_ringparam, | |
1905 | .get_pauseparam = igb_get_pauseparam, | |
1906 | .set_pauseparam = igb_set_pauseparam, | |
1907 | .get_rx_csum = igb_get_rx_csum, | |
1908 | .set_rx_csum = igb_set_rx_csum, | |
1909 | .get_tx_csum = igb_get_tx_csum, | |
1910 | .set_tx_csum = igb_set_tx_csum, | |
1911 | .get_sg = ethtool_op_get_sg, | |
1912 | .set_sg = ethtool_op_set_sg, | |
1913 | .get_tso = ethtool_op_get_tso, | |
1914 | .set_tso = igb_set_tso, | |
1915 | .self_test = igb_diag_test, | |
1916 | .get_strings = igb_get_strings, | |
1917 | .phys_id = igb_phys_id, | |
1918 | .get_sset_count = igb_get_sset_count, | |
1919 | .get_ethtool_stats = igb_get_ethtool_stats, | |
1920 | .get_coalesce = igb_get_coalesce, | |
1921 | .set_coalesce = igb_set_coalesce, | |
1922 | }; | |
1923 | ||
1924 | void igb_set_ethtool_ops(struct net_device *netdev) | |
1925 | { | |
1926 | SET_ETHTOOL_OPS(netdev, &igb_ethtool_ops); | |
1927 | } |