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bc7f75fa AK |
1 | /******************************************************************************* |
2 | ||
3 | Intel PRO/1000 Linux driver | |
ad68076e | 4 | Copyright(c) 1999 - 2008 Intel Corporation. |
bc7f75fa AK |
5 | |
6 | This program is free software; you can redistribute it and/or modify it | |
7 | under the terms and conditions of the GNU General Public License, | |
8 | version 2, as published by the Free Software Foundation. | |
9 | ||
10 | This program is distributed in the hope it will be useful, but WITHOUT | |
11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License along with | |
16 | this program; if not, write to the Free Software Foundation, Inc., | |
17 | 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. | |
18 | ||
19 | The full GNU General Public License is included in this distribution in | |
20 | the file called "COPYING". | |
21 | ||
22 | Contact Information: | |
23 | Linux NICS <linux.nics@intel.com> | |
24 | e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> | |
25 | Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 | |
26 | ||
27 | *******************************************************************************/ | |
28 | ||
29 | /* ethtool support for e1000 */ | |
30 | ||
31 | #include <linux/netdevice.h> | |
32 | #include <linux/ethtool.h> | |
33 | #include <linux/pci.h> | |
34 | #include <linux/delay.h> | |
35 | ||
36 | #include "e1000.h" | |
37 | ||
38 | struct e1000_stats { | |
39 | char stat_string[ETH_GSTRING_LEN]; | |
40 | int sizeof_stat; | |
41 | int stat_offset; | |
42 | }; | |
43 | ||
44 | #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \ | |
45 | offsetof(struct e1000_adapter, m) | |
46 | static const struct e1000_stats e1000_gstrings_stats[] = { | |
47 | { "rx_packets", E1000_STAT(stats.gprc) }, | |
48 | { "tx_packets", E1000_STAT(stats.gptc) }, | |
49 | { "rx_bytes", E1000_STAT(stats.gorcl) }, | |
50 | { "tx_bytes", E1000_STAT(stats.gotcl) }, | |
51 | { "rx_broadcast", E1000_STAT(stats.bprc) }, | |
52 | { "tx_broadcast", E1000_STAT(stats.bptc) }, | |
53 | { "rx_multicast", E1000_STAT(stats.mprc) }, | |
54 | { "tx_multicast", E1000_STAT(stats.mptc) }, | |
55 | { "rx_errors", E1000_STAT(net_stats.rx_errors) }, | |
56 | { "tx_errors", E1000_STAT(net_stats.tx_errors) }, | |
57 | { "tx_dropped", E1000_STAT(net_stats.tx_dropped) }, | |
58 | { "multicast", E1000_STAT(stats.mprc) }, | |
59 | { "collisions", E1000_STAT(stats.colc) }, | |
60 | { "rx_length_errors", E1000_STAT(net_stats.rx_length_errors) }, | |
61 | { "rx_over_errors", E1000_STAT(net_stats.rx_over_errors) }, | |
62 | { "rx_crc_errors", E1000_STAT(stats.crcerrs) }, | |
63 | { "rx_frame_errors", E1000_STAT(net_stats.rx_frame_errors) }, | |
64 | { "rx_no_buffer_count", E1000_STAT(stats.rnbc) }, | |
65 | { "rx_missed_errors", E1000_STAT(stats.mpc) }, | |
66 | { "tx_aborted_errors", E1000_STAT(stats.ecol) }, | |
67 | { "tx_carrier_errors", E1000_STAT(stats.tncrs) }, | |
68 | { "tx_fifo_errors", E1000_STAT(net_stats.tx_fifo_errors) }, | |
69 | { "tx_heartbeat_errors", E1000_STAT(net_stats.tx_heartbeat_errors) }, | |
70 | { "tx_window_errors", E1000_STAT(stats.latecol) }, | |
71 | { "tx_abort_late_coll", E1000_STAT(stats.latecol) }, | |
72 | { "tx_deferred_ok", E1000_STAT(stats.dc) }, | |
73 | { "tx_single_coll_ok", E1000_STAT(stats.scc) }, | |
74 | { "tx_multi_coll_ok", E1000_STAT(stats.mcc) }, | |
75 | { "tx_timeout_count", E1000_STAT(tx_timeout_count) }, | |
76 | { "tx_restart_queue", E1000_STAT(restart_queue) }, | |
77 | { "rx_long_length_errors", E1000_STAT(stats.roc) }, | |
78 | { "rx_short_length_errors", E1000_STAT(stats.ruc) }, | |
79 | { "rx_align_errors", E1000_STAT(stats.algnerrc) }, | |
80 | { "tx_tcp_seg_good", E1000_STAT(stats.tsctc) }, | |
81 | { "tx_tcp_seg_failed", E1000_STAT(stats.tsctfc) }, | |
82 | { "rx_flow_control_xon", E1000_STAT(stats.xonrxc) }, | |
83 | { "rx_flow_control_xoff", E1000_STAT(stats.xoffrxc) }, | |
84 | { "tx_flow_control_xon", E1000_STAT(stats.xontxc) }, | |
85 | { "tx_flow_control_xoff", E1000_STAT(stats.xofftxc) }, | |
86 | { "rx_long_byte_count", E1000_STAT(stats.gorcl) }, | |
87 | { "rx_csum_offload_good", E1000_STAT(hw_csum_good) }, | |
88 | { "rx_csum_offload_errors", E1000_STAT(hw_csum_err) }, | |
89 | { "rx_header_split", E1000_STAT(rx_hdr_split) }, | |
90 | { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed) }, | |
91 | { "tx_smbus", E1000_STAT(stats.mgptc) }, | |
92 | { "rx_smbus", E1000_STAT(stats.mgprc) }, | |
93 | { "dropped_smbus", E1000_STAT(stats.mgpdc) }, | |
94 | { "rx_dma_failed", E1000_STAT(rx_dma_failed) }, | |
95 | { "tx_dma_failed", E1000_STAT(tx_dma_failed) }, | |
96 | }; | |
97 | ||
c00acf46 | 98 | #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats) |
bc7f75fa AK |
99 | #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN) |
100 | static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = { | |
101 | "Register test (offline)", "Eeprom test (offline)", | |
102 | "Interrupt test (offline)", "Loopback test (offline)", | |
103 | "Link test (on/offline)" | |
104 | }; | |
ad68076e | 105 | #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test) |
bc7f75fa AK |
106 | |
107 | static int e1000_get_settings(struct net_device *netdev, | |
108 | struct ethtool_cmd *ecmd) | |
109 | { | |
110 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
111 | struct e1000_hw *hw = &adapter->hw; | |
369d742d | 112 | u32 status; |
bc7f75fa AK |
113 | |
114 | if (hw->media_type == e1000_media_type_copper) { | |
115 | ||
116 | ecmd->supported = (SUPPORTED_10baseT_Half | | |
117 | SUPPORTED_10baseT_Full | | |
118 | SUPPORTED_100baseT_Half | | |
119 | SUPPORTED_100baseT_Full | | |
120 | SUPPORTED_1000baseT_Full | | |
121 | SUPPORTED_Autoneg | | |
122 | SUPPORTED_TP); | |
123 | if (hw->phy.type == e1000_phy_ife) | |
124 | ecmd->supported &= ~SUPPORTED_1000baseT_Full; | |
125 | ecmd->advertising = ADVERTISED_TP; | |
126 | ||
127 | if (hw->mac.autoneg == 1) { | |
128 | ecmd->advertising |= ADVERTISED_Autoneg; | |
129 | /* the e1000 autoneg seems to match ethtool nicely */ | |
130 | ecmd->advertising |= hw->phy.autoneg_advertised; | |
131 | } | |
132 | ||
133 | ecmd->port = PORT_TP; | |
134 | ecmd->phy_address = hw->phy.addr; | |
135 | ecmd->transceiver = XCVR_INTERNAL; | |
136 | ||
137 | } else { | |
138 | ecmd->supported = (SUPPORTED_1000baseT_Full | | |
139 | SUPPORTED_FIBRE | | |
140 | SUPPORTED_Autoneg); | |
141 | ||
142 | ecmd->advertising = (ADVERTISED_1000baseT_Full | | |
143 | ADVERTISED_FIBRE | | |
144 | ADVERTISED_Autoneg); | |
145 | ||
146 | ecmd->port = PORT_FIBRE; | |
147 | ecmd->transceiver = XCVR_EXTERNAL; | |
148 | } | |
149 | ||
369d742d AK |
150 | status = er32(STATUS); |
151 | if (status & E1000_STATUS_LU) { | |
152 | if (status & E1000_STATUS_SPEED_1000) | |
153 | ecmd->speed = 1000; | |
154 | else if (status & E1000_STATUS_SPEED_100) | |
155 | ecmd->speed = 100; | |
156 | else | |
157 | ecmd->speed = 10; | |
bc7f75fa | 158 | |
369d742d | 159 | if (status & E1000_STATUS_FD) |
bc7f75fa AK |
160 | ecmd->duplex = DUPLEX_FULL; |
161 | else | |
162 | ecmd->duplex = DUPLEX_HALF; | |
163 | } else { | |
164 | ecmd->speed = -1; | |
165 | ecmd->duplex = -1; | |
166 | } | |
167 | ||
168 | ecmd->autoneg = ((hw->media_type == e1000_media_type_fiber) || | |
169 | hw->mac.autoneg) ? AUTONEG_ENABLE : AUTONEG_DISABLE; | |
170 | return 0; | |
171 | } | |
172 | ||
369d742d AK |
173 | static u32 e1000_get_link(struct net_device *netdev) |
174 | { | |
175 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
176 | struct e1000_hw *hw = &adapter->hw; | |
177 | u32 status; | |
178 | ||
179 | status = er32(STATUS); | |
180 | return (status & E1000_STATUS_LU); | |
181 | } | |
182 | ||
bc7f75fa AK |
183 | static int e1000_set_spd_dplx(struct e1000_adapter *adapter, u16 spddplx) |
184 | { | |
185 | struct e1000_mac_info *mac = &adapter->hw.mac; | |
186 | ||
187 | mac->autoneg = 0; | |
188 | ||
189 | /* Fiber NICs only allow 1000 gbps Full duplex */ | |
190 | if ((adapter->hw.media_type == e1000_media_type_fiber) && | |
191 | spddplx != (SPEED_1000 + DUPLEX_FULL)) { | |
192 | ndev_err(adapter->netdev, "Unsupported Speed/Duplex " | |
193 | "configuration\n"); | |
194 | return -EINVAL; | |
195 | } | |
196 | ||
197 | switch (spddplx) { | |
198 | case SPEED_10 + DUPLEX_HALF: | |
199 | mac->forced_speed_duplex = ADVERTISE_10_HALF; | |
200 | break; | |
201 | case SPEED_10 + DUPLEX_FULL: | |
202 | mac->forced_speed_duplex = ADVERTISE_10_FULL; | |
203 | break; | |
204 | case SPEED_100 + DUPLEX_HALF: | |
205 | mac->forced_speed_duplex = ADVERTISE_100_HALF; | |
206 | break; | |
207 | case SPEED_100 + DUPLEX_FULL: | |
208 | mac->forced_speed_duplex = ADVERTISE_100_FULL; | |
209 | break; | |
210 | case SPEED_1000 + DUPLEX_FULL: | |
211 | mac->autoneg = 1; | |
212 | adapter->hw.phy.autoneg_advertised = ADVERTISE_1000_FULL; | |
213 | break; | |
214 | case SPEED_1000 + DUPLEX_HALF: /* not supported */ | |
215 | default: | |
216 | ndev_err(adapter->netdev, "Unsupported Speed/Duplex " | |
217 | "configuration\n"); | |
218 | return -EINVAL; | |
219 | } | |
220 | return 0; | |
221 | } | |
222 | ||
223 | static int e1000_set_settings(struct net_device *netdev, | |
224 | struct ethtool_cmd *ecmd) | |
225 | { | |
226 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
227 | struct e1000_hw *hw = &adapter->hw; | |
228 | ||
ad68076e BA |
229 | /* |
230 | * When SoL/IDER sessions are active, autoneg/speed/duplex | |
231 | * cannot be changed | |
232 | */ | |
bc7f75fa AK |
233 | if (e1000_check_reset_block(hw)) { |
234 | ndev_err(netdev, "Cannot change link " | |
235 | "characteristics when SoL/IDER is active.\n"); | |
236 | return -EINVAL; | |
237 | } | |
238 | ||
239 | while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) | |
240 | msleep(1); | |
241 | ||
242 | if (ecmd->autoneg == AUTONEG_ENABLE) { | |
243 | hw->mac.autoneg = 1; | |
244 | if (hw->media_type == e1000_media_type_fiber) | |
245 | hw->phy.autoneg_advertised = ADVERTISED_1000baseT_Full | | |
246 | ADVERTISED_FIBRE | | |
247 | ADVERTISED_Autoneg; | |
248 | else | |
249 | hw->phy.autoneg_advertised = ecmd->advertising | | |
250 | ADVERTISED_TP | | |
251 | ADVERTISED_Autoneg; | |
252 | ecmd->advertising = hw->phy.autoneg_advertised; | |
253 | } else { | |
254 | if (e1000_set_spd_dplx(adapter, ecmd->speed + ecmd->duplex)) { | |
255 | clear_bit(__E1000_RESETTING, &adapter->state); | |
256 | return -EINVAL; | |
257 | } | |
258 | } | |
259 | ||
260 | /* reset the link */ | |
261 | ||
262 | if (netif_running(adapter->netdev)) { | |
263 | e1000e_down(adapter); | |
264 | e1000e_up(adapter); | |
265 | } else { | |
266 | e1000e_reset(adapter); | |
267 | } | |
268 | ||
269 | clear_bit(__E1000_RESETTING, &adapter->state); | |
270 | return 0; | |
271 | } | |
272 | ||
273 | static void e1000_get_pauseparam(struct net_device *netdev, | |
274 | struct ethtool_pauseparam *pause) | |
275 | { | |
276 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
277 | struct e1000_hw *hw = &adapter->hw; | |
278 | ||
279 | pause->autoneg = | |
280 | (adapter->fc_autoneg ? AUTONEG_ENABLE : AUTONEG_DISABLE); | |
281 | ||
282 | if (hw->mac.fc == e1000_fc_rx_pause) { | |
283 | pause->rx_pause = 1; | |
284 | } else if (hw->mac.fc == e1000_fc_tx_pause) { | |
285 | pause->tx_pause = 1; | |
286 | } else if (hw->mac.fc == e1000_fc_full) { | |
287 | pause->rx_pause = 1; | |
288 | pause->tx_pause = 1; | |
289 | } | |
290 | } | |
291 | ||
292 | static int e1000_set_pauseparam(struct net_device *netdev, | |
293 | struct ethtool_pauseparam *pause) | |
294 | { | |
295 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
296 | struct e1000_hw *hw = &adapter->hw; | |
297 | int retval = 0; | |
298 | ||
299 | adapter->fc_autoneg = pause->autoneg; | |
300 | ||
301 | while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) | |
302 | msleep(1); | |
303 | ||
304 | if (pause->rx_pause && pause->tx_pause) | |
305 | hw->mac.fc = e1000_fc_full; | |
306 | else if (pause->rx_pause && !pause->tx_pause) | |
307 | hw->mac.fc = e1000_fc_rx_pause; | |
308 | else if (!pause->rx_pause && pause->tx_pause) | |
309 | hw->mac.fc = e1000_fc_tx_pause; | |
310 | else if (!pause->rx_pause && !pause->tx_pause) | |
311 | hw->mac.fc = e1000_fc_none; | |
312 | ||
313 | hw->mac.original_fc = hw->mac.fc; | |
314 | ||
315 | if (adapter->fc_autoneg == AUTONEG_ENABLE) { | |
309af40b | 316 | hw->mac.fc = e1000_fc_default; |
bc7f75fa AK |
317 | if (netif_running(adapter->netdev)) { |
318 | e1000e_down(adapter); | |
319 | e1000e_up(adapter); | |
320 | } else { | |
321 | e1000e_reset(adapter); | |
322 | } | |
323 | } else { | |
324 | retval = ((hw->media_type == e1000_media_type_fiber) ? | |
325 | hw->mac.ops.setup_link(hw) : e1000e_force_mac_fc(hw)); | |
326 | } | |
327 | ||
328 | clear_bit(__E1000_RESETTING, &adapter->state); | |
329 | return retval; | |
330 | } | |
331 | ||
332 | static u32 e1000_get_rx_csum(struct net_device *netdev) | |
333 | { | |
334 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
335 | return (adapter->flags & FLAG_RX_CSUM_ENABLED); | |
336 | } | |
337 | ||
338 | static int e1000_set_rx_csum(struct net_device *netdev, u32 data) | |
339 | { | |
340 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
341 | ||
342 | if (data) | |
343 | adapter->flags |= FLAG_RX_CSUM_ENABLED; | |
344 | else | |
345 | adapter->flags &= ~FLAG_RX_CSUM_ENABLED; | |
346 | ||
347 | if (netif_running(netdev)) | |
348 | e1000e_reinit_locked(adapter); | |
349 | else | |
350 | e1000e_reset(adapter); | |
351 | return 0; | |
352 | } | |
353 | ||
354 | static u32 e1000_get_tx_csum(struct net_device *netdev) | |
355 | { | |
356 | return ((netdev->features & NETIF_F_HW_CSUM) != 0); | |
357 | } | |
358 | ||
359 | static int e1000_set_tx_csum(struct net_device *netdev, u32 data) | |
360 | { | |
361 | if (data) | |
362 | netdev->features |= NETIF_F_HW_CSUM; | |
363 | else | |
364 | netdev->features &= ~NETIF_F_HW_CSUM; | |
365 | ||
366 | return 0; | |
367 | } | |
368 | ||
369 | static int e1000_set_tso(struct net_device *netdev, u32 data) | |
370 | { | |
371 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
372 | ||
373 | if (data) { | |
374 | netdev->features |= NETIF_F_TSO; | |
375 | netdev->features |= NETIF_F_TSO6; | |
376 | } else { | |
377 | netdev->features &= ~NETIF_F_TSO; | |
378 | netdev->features &= ~NETIF_F_TSO6; | |
379 | } | |
380 | ||
381 | ndev_info(netdev, "TSO is %s\n", | |
382 | data ? "Enabled" : "Disabled"); | |
383 | adapter->flags |= FLAG_TSO_FORCE; | |
384 | return 0; | |
385 | } | |
386 | ||
387 | static u32 e1000_get_msglevel(struct net_device *netdev) | |
388 | { | |
389 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
390 | return adapter->msg_enable; | |
391 | } | |
392 | ||
393 | static void e1000_set_msglevel(struct net_device *netdev, u32 data) | |
394 | { | |
395 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
396 | adapter->msg_enable = data; | |
397 | } | |
398 | ||
399 | static int e1000_get_regs_len(struct net_device *netdev) | |
400 | { | |
401 | #define E1000_REGS_LEN 32 /* overestimate */ | |
402 | return E1000_REGS_LEN * sizeof(u32); | |
403 | } | |
404 | ||
405 | static void e1000_get_regs(struct net_device *netdev, | |
406 | struct ethtool_regs *regs, void *p) | |
407 | { | |
408 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
409 | struct e1000_hw *hw = &adapter->hw; | |
410 | u32 *regs_buff = p; | |
411 | u16 phy_data; | |
412 | u8 revision_id; | |
413 | ||
414 | memset(p, 0, E1000_REGS_LEN * sizeof(u32)); | |
415 | ||
416 | pci_read_config_byte(adapter->pdev, PCI_REVISION_ID, &revision_id); | |
417 | ||
418 | regs->version = (1 << 24) | (revision_id << 16) | adapter->pdev->device; | |
419 | ||
420 | regs_buff[0] = er32(CTRL); | |
421 | regs_buff[1] = er32(STATUS); | |
422 | ||
423 | regs_buff[2] = er32(RCTL); | |
424 | regs_buff[3] = er32(RDLEN); | |
425 | regs_buff[4] = er32(RDH); | |
426 | regs_buff[5] = er32(RDT); | |
427 | regs_buff[6] = er32(RDTR); | |
428 | ||
429 | regs_buff[7] = er32(TCTL); | |
430 | regs_buff[8] = er32(TDLEN); | |
431 | regs_buff[9] = er32(TDH); | |
432 | regs_buff[10] = er32(TDT); | |
433 | regs_buff[11] = er32(TIDV); | |
434 | ||
435 | regs_buff[12] = adapter->hw.phy.type; /* PHY type (IGP=1, M88=0) */ | |
436 | if (hw->phy.type == e1000_phy_m88) { | |
437 | e1e_rphy(hw, M88E1000_PHY_SPEC_STATUS, &phy_data); | |
438 | regs_buff[13] = (u32)phy_data; /* cable length */ | |
439 | regs_buff[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */ | |
440 | regs_buff[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */ | |
441 | regs_buff[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */ | |
442 | e1e_rphy(hw, M88E1000_PHY_SPEC_CTRL, &phy_data); | |
443 | regs_buff[17] = (u32)phy_data; /* extended 10bt distance */ | |
444 | regs_buff[18] = regs_buff[13]; /* cable polarity */ | |
445 | regs_buff[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */ | |
446 | regs_buff[20] = regs_buff[17]; /* polarity correction */ | |
447 | /* phy receive errors */ | |
448 | regs_buff[22] = adapter->phy_stats.receive_errors; | |
449 | regs_buff[23] = regs_buff[13]; /* mdix mode */ | |
450 | } | |
451 | regs_buff[21] = adapter->phy_stats.idle_errors; /* phy idle errors */ | |
452 | e1e_rphy(hw, PHY_1000T_STATUS, &phy_data); | |
453 | regs_buff[24] = (u32)phy_data; /* phy local receiver status */ | |
454 | regs_buff[25] = regs_buff[24]; /* phy remote receiver status */ | |
455 | } | |
456 | ||
457 | static int e1000_get_eeprom_len(struct net_device *netdev) | |
458 | { | |
459 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
460 | return adapter->hw.nvm.word_size * 2; | |
461 | } | |
462 | ||
463 | static int e1000_get_eeprom(struct net_device *netdev, | |
464 | struct ethtool_eeprom *eeprom, u8 *bytes) | |
465 | { | |
466 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
467 | struct e1000_hw *hw = &adapter->hw; | |
468 | u16 *eeprom_buff; | |
469 | int first_word; | |
470 | int last_word; | |
471 | int ret_val = 0; | |
472 | u16 i; | |
473 | ||
474 | if (eeprom->len == 0) | |
475 | return -EINVAL; | |
476 | ||
477 | eeprom->magic = adapter->pdev->vendor | (adapter->pdev->device << 16); | |
478 | ||
479 | first_word = eeprom->offset >> 1; | |
480 | last_word = (eeprom->offset + eeprom->len - 1) >> 1; | |
481 | ||
482 | eeprom_buff = kmalloc(sizeof(u16) * | |
483 | (last_word - first_word + 1), GFP_KERNEL); | |
484 | if (!eeprom_buff) | |
485 | return -ENOMEM; | |
486 | ||
487 | if (hw->nvm.type == e1000_nvm_eeprom_spi) { | |
488 | ret_val = e1000_read_nvm(hw, first_word, | |
489 | last_word - first_word + 1, | |
490 | eeprom_buff); | |
491 | } else { | |
492 | for (i = 0; i < last_word - first_word + 1; i++) { | |
493 | ret_val = e1000_read_nvm(hw, first_word + i, 1, | |
494 | &eeprom_buff[i]); | |
495 | if (ret_val) | |
496 | break; | |
497 | } | |
498 | } | |
499 | ||
500 | /* Device's eeprom is always little-endian, word addressable */ | |
501 | for (i = 0; i < last_word - first_word + 1; i++) | |
502 | le16_to_cpus(&eeprom_buff[i]); | |
503 | ||
504 | memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len); | |
505 | kfree(eeprom_buff); | |
506 | ||
507 | return ret_val; | |
508 | } | |
509 | ||
510 | static int e1000_set_eeprom(struct net_device *netdev, | |
511 | struct ethtool_eeprom *eeprom, u8 *bytes) | |
512 | { | |
513 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
514 | struct e1000_hw *hw = &adapter->hw; | |
515 | u16 *eeprom_buff; | |
516 | void *ptr; | |
517 | int max_len; | |
518 | int first_word; | |
519 | int last_word; | |
520 | int ret_val = 0; | |
521 | u16 i; | |
522 | ||
523 | if (eeprom->len == 0) | |
524 | return -EOPNOTSUPP; | |
525 | ||
526 | if (eeprom->magic != (adapter->pdev->vendor | (adapter->pdev->device << 16))) | |
527 | return -EFAULT; | |
528 | ||
529 | max_len = hw->nvm.word_size * 2; | |
530 | ||
531 | first_word = eeprom->offset >> 1; | |
532 | last_word = (eeprom->offset + eeprom->len - 1) >> 1; | |
533 | eeprom_buff = kmalloc(max_len, GFP_KERNEL); | |
534 | if (!eeprom_buff) | |
535 | return -ENOMEM; | |
536 | ||
537 | ptr = (void *)eeprom_buff; | |
538 | ||
539 | if (eeprom->offset & 1) { | |
540 | /* need read/modify/write of first changed EEPROM word */ | |
541 | /* only the second byte of the word is being modified */ | |
542 | ret_val = e1000_read_nvm(hw, first_word, 1, &eeprom_buff[0]); | |
543 | ptr++; | |
544 | } | |
545 | if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) | |
546 | /* need read/modify/write of last changed EEPROM word */ | |
547 | /* only the first byte of the word is being modified */ | |
548 | ret_val = e1000_read_nvm(hw, last_word, 1, | |
549 | &eeprom_buff[last_word - first_word]); | |
550 | ||
551 | /* Device's eeprom is always little-endian, word addressable */ | |
552 | for (i = 0; i < last_word - first_word + 1; i++) | |
553 | le16_to_cpus(&eeprom_buff[i]); | |
554 | ||
555 | memcpy(ptr, bytes, eeprom->len); | |
556 | ||
557 | for (i = 0; i < last_word - first_word + 1; i++) | |
558 | eeprom_buff[i] = cpu_to_le16(eeprom_buff[i]); | |
559 | ||
560 | ret_val = e1000_write_nvm(hw, first_word, | |
561 | last_word - first_word + 1, eeprom_buff); | |
562 | ||
ad68076e BA |
563 | /* |
564 | * Update the checksum over the first part of the EEPROM if needed | |
565 | * and flush shadow RAM for 82573 controllers | |
566 | */ | |
bc7f75fa AK |
567 | if ((ret_val == 0) && ((first_word <= NVM_CHECKSUM_REG) || |
568 | (hw->mac.type == e1000_82573))) | |
569 | e1000e_update_nvm_checksum(hw); | |
570 | ||
571 | kfree(eeprom_buff); | |
572 | return ret_val; | |
573 | } | |
574 | ||
575 | static void e1000_get_drvinfo(struct net_device *netdev, | |
576 | struct ethtool_drvinfo *drvinfo) | |
577 | { | |
578 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
579 | char firmware_version[32]; | |
580 | u16 eeprom_data; | |
581 | ||
582 | strncpy(drvinfo->driver, e1000e_driver_name, 32); | |
583 | strncpy(drvinfo->version, e1000e_driver_version, 32); | |
584 | ||
ad68076e BA |
585 | /* |
586 | * EEPROM image version # is reported as firmware version # for | |
587 | * PCI-E controllers | |
588 | */ | |
bc7f75fa AK |
589 | e1000_read_nvm(&adapter->hw, 5, 1, &eeprom_data); |
590 | sprintf(firmware_version, "%d.%d-%d", | |
591 | (eeprom_data & 0xF000) >> 12, | |
592 | (eeprom_data & 0x0FF0) >> 4, | |
593 | eeprom_data & 0x000F); | |
594 | ||
595 | strncpy(drvinfo->fw_version, firmware_version, 32); | |
596 | strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32); | |
bc7f75fa AK |
597 | drvinfo->regdump_len = e1000_get_regs_len(netdev); |
598 | drvinfo->eedump_len = e1000_get_eeprom_len(netdev); | |
599 | } | |
600 | ||
601 | static void e1000_get_ringparam(struct net_device *netdev, | |
602 | struct ethtool_ringparam *ring) | |
603 | { | |
604 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
605 | struct e1000_ring *tx_ring = adapter->tx_ring; | |
606 | struct e1000_ring *rx_ring = adapter->rx_ring; | |
607 | ||
608 | ring->rx_max_pending = E1000_MAX_RXD; | |
609 | ring->tx_max_pending = E1000_MAX_TXD; | |
610 | ring->rx_mini_max_pending = 0; | |
611 | ring->rx_jumbo_max_pending = 0; | |
612 | ring->rx_pending = rx_ring->count; | |
613 | ring->tx_pending = tx_ring->count; | |
614 | ring->rx_mini_pending = 0; | |
615 | ring->rx_jumbo_pending = 0; | |
616 | } | |
617 | ||
618 | static int e1000_set_ringparam(struct net_device *netdev, | |
619 | struct ethtool_ringparam *ring) | |
620 | { | |
621 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
622 | struct e1000_ring *tx_ring, *tx_old; | |
623 | struct e1000_ring *rx_ring, *rx_old; | |
624 | int err; | |
625 | ||
626 | if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending)) | |
627 | return -EINVAL; | |
628 | ||
629 | while (test_and_set_bit(__E1000_RESETTING, &adapter->state)) | |
630 | msleep(1); | |
631 | ||
632 | if (netif_running(adapter->netdev)) | |
633 | e1000e_down(adapter); | |
634 | ||
635 | tx_old = adapter->tx_ring; | |
636 | rx_old = adapter->rx_ring; | |
637 | ||
638 | err = -ENOMEM; | |
639 | tx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); | |
640 | if (!tx_ring) | |
641 | goto err_alloc_tx; | |
642 | ||
643 | rx_ring = kzalloc(sizeof(struct e1000_ring), GFP_KERNEL); | |
644 | if (!rx_ring) | |
645 | goto err_alloc_rx; | |
646 | ||
647 | adapter->tx_ring = tx_ring; | |
648 | adapter->rx_ring = rx_ring; | |
649 | ||
650 | rx_ring->count = max(ring->rx_pending, (u32)E1000_MIN_RXD); | |
651 | rx_ring->count = min(rx_ring->count, (u32)(E1000_MAX_RXD)); | |
652 | rx_ring->count = ALIGN(rx_ring->count, REQ_RX_DESCRIPTOR_MULTIPLE); | |
653 | ||
654 | tx_ring->count = max(ring->tx_pending, (u32)E1000_MIN_TXD); | |
655 | tx_ring->count = min(tx_ring->count, (u32)(E1000_MAX_TXD)); | |
656 | tx_ring->count = ALIGN(tx_ring->count, REQ_TX_DESCRIPTOR_MULTIPLE); | |
657 | ||
658 | if (netif_running(adapter->netdev)) { | |
659 | /* Try to get new resources before deleting old */ | |
660 | err = e1000e_setup_rx_resources(adapter); | |
661 | if (err) | |
662 | goto err_setup_rx; | |
663 | err = e1000e_setup_tx_resources(adapter); | |
664 | if (err) | |
665 | goto err_setup_tx; | |
666 | ||
ad68076e BA |
667 | /* |
668 | * restore the old in order to free it, | |
669 | * then add in the new | |
670 | */ | |
bc7f75fa AK |
671 | adapter->rx_ring = rx_old; |
672 | adapter->tx_ring = tx_old; | |
673 | e1000e_free_rx_resources(adapter); | |
674 | e1000e_free_tx_resources(adapter); | |
675 | kfree(tx_old); | |
676 | kfree(rx_old); | |
677 | adapter->rx_ring = rx_ring; | |
678 | adapter->tx_ring = tx_ring; | |
679 | err = e1000e_up(adapter); | |
680 | if (err) | |
681 | goto err_setup; | |
682 | } | |
683 | ||
684 | clear_bit(__E1000_RESETTING, &adapter->state); | |
685 | return 0; | |
686 | err_setup_tx: | |
687 | e1000e_free_rx_resources(adapter); | |
688 | err_setup_rx: | |
689 | adapter->rx_ring = rx_old; | |
690 | adapter->tx_ring = tx_old; | |
691 | kfree(rx_ring); | |
692 | err_alloc_rx: | |
693 | kfree(tx_ring); | |
694 | err_alloc_tx: | |
695 | e1000e_up(adapter); | |
696 | err_setup: | |
697 | clear_bit(__E1000_RESETTING, &adapter->state); | |
698 | return err; | |
699 | } | |
700 | ||
5cfe33d6 AB |
701 | static bool reg_pattern_test_array(struct e1000_adapter *adapter, u64 *data, |
702 | int reg, int offset, u32 mask, u32 write) | |
2a887191 JP |
703 | { |
704 | int i; | |
705 | u32 read; | |
706 | static const u32 test[] = | |
707 | {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF}; | |
708 | for (i = 0; i < ARRAY_SIZE(test); i++) { | |
709 | E1000_WRITE_REG_ARRAY(&adapter->hw, reg, offset, | |
710 | (test[i] & write)); | |
711 | read = E1000_READ_REG_ARRAY(&adapter->hw, reg, offset); | |
712 | if (read != (test[i] & write & mask)) { | |
713 | ndev_err(adapter->netdev, "pattern test reg %04X " | |
714 | "failed: got 0x%08X expected 0x%08X\n", | |
715 | reg + offset, | |
716 | read, (test[i] & write & mask)); | |
717 | *data = reg; | |
718 | return true; | |
719 | } | |
720 | } | |
721 | return false; | |
bc7f75fa AK |
722 | } |
723 | ||
2a887191 JP |
724 | static bool reg_set_and_check(struct e1000_adapter *adapter, u64 *data, |
725 | int reg, u32 mask, u32 write) | |
726 | { | |
727 | u32 read; | |
728 | __ew32(&adapter->hw, reg, write & mask); | |
729 | read = __er32(&adapter->hw, reg); | |
730 | if ((write & mask) != (read & mask)) { | |
731 | ndev_err(adapter->netdev, "set/check reg %04X test failed: " | |
732 | "got 0x%08X expected 0x%08X\n", reg, (read & mask), | |
733 | (write & mask)); | |
734 | *data = reg; | |
735 | return true; | |
736 | } | |
737 | return false; | |
bc7f75fa AK |
738 | } |
739 | ||
2a887191 JP |
740 | #define REG_PATTERN_TEST(R, M, W) \ |
741 | do { \ | |
742 | if (reg_pattern_test_array(adapter, data, R, 0, M, W)) \ | |
743 | return 1; \ | |
744 | } while (0) | |
745 | ||
746 | #define REG_PATTERN_TEST_ARRAY(R, offset, M, W) \ | |
747 | do { \ | |
748 | if (reg_pattern_test_array(adapter, data, R, offset, M, W)) \ | |
749 | return 1; \ | |
750 | } while (0) | |
751 | ||
752 | #define REG_SET_AND_CHECK(R, M, W) \ | |
753 | do { \ | |
754 | if (reg_set_and_check(adapter, data, R, M, W)) \ | |
755 | return 1; \ | |
756 | } while (0) | |
757 | ||
bc7f75fa AK |
758 | static int e1000_reg_test(struct e1000_adapter *adapter, u64 *data) |
759 | { | |
760 | struct e1000_hw *hw = &adapter->hw; | |
761 | struct e1000_mac_info *mac = &adapter->hw.mac; | |
762 | struct net_device *netdev = adapter->netdev; | |
763 | u32 value; | |
764 | u32 before; | |
765 | u32 after; | |
766 | u32 i; | |
767 | u32 toggle; | |
768 | ||
ad68076e BA |
769 | /* |
770 | * The status register is Read Only, so a write should fail. | |
bc7f75fa AK |
771 | * Some bits that get toggled are ignored. |
772 | */ | |
773 | switch (mac->type) { | |
774 | /* there are several bits on newer hardware that are r/w */ | |
775 | case e1000_82571: | |
776 | case e1000_82572: | |
777 | case e1000_80003es2lan: | |
778 | toggle = 0x7FFFF3FF; | |
779 | break; | |
780 | case e1000_82573: | |
781 | case e1000_ich8lan: | |
782 | case e1000_ich9lan: | |
783 | toggle = 0x7FFFF033; | |
784 | break; | |
785 | default: | |
786 | toggle = 0xFFFFF833; | |
787 | break; | |
788 | } | |
789 | ||
790 | before = er32(STATUS); | |
791 | value = (er32(STATUS) & toggle); | |
792 | ew32(STATUS, toggle); | |
793 | after = er32(STATUS) & toggle; | |
794 | if (value != after) { | |
795 | ndev_err(netdev, "failed STATUS register test got: " | |
796 | "0x%08X expected: 0x%08X\n", after, value); | |
797 | *data = 1; | |
798 | return 1; | |
799 | } | |
800 | /* restore previous status */ | |
801 | ew32(STATUS, before); | |
802 | ||
803 | if ((mac->type != e1000_ich8lan) && | |
804 | (mac->type != e1000_ich9lan)) { | |
805 | REG_PATTERN_TEST(E1000_FCAL, 0xFFFFFFFF, 0xFFFFFFFF); | |
806 | REG_PATTERN_TEST(E1000_FCAH, 0x0000FFFF, 0xFFFFFFFF); | |
807 | REG_PATTERN_TEST(E1000_FCT, 0x0000FFFF, 0xFFFFFFFF); | |
808 | REG_PATTERN_TEST(E1000_VET, 0x0000FFFF, 0xFFFFFFFF); | |
809 | } | |
810 | ||
811 | REG_PATTERN_TEST(E1000_RDTR, 0x0000FFFF, 0xFFFFFFFF); | |
812 | REG_PATTERN_TEST(E1000_RDBAH, 0xFFFFFFFF, 0xFFFFFFFF); | |
813 | REG_PATTERN_TEST(E1000_RDLEN, 0x000FFF80, 0x000FFFFF); | |
814 | REG_PATTERN_TEST(E1000_RDH, 0x0000FFFF, 0x0000FFFF); | |
815 | REG_PATTERN_TEST(E1000_RDT, 0x0000FFFF, 0x0000FFFF); | |
816 | REG_PATTERN_TEST(E1000_FCRTH, 0x0000FFF8, 0x0000FFF8); | |
817 | REG_PATTERN_TEST(E1000_FCTTV, 0x0000FFFF, 0x0000FFFF); | |
818 | REG_PATTERN_TEST(E1000_TIPG, 0x3FFFFFFF, 0x3FFFFFFF); | |
819 | REG_PATTERN_TEST(E1000_TDBAH, 0xFFFFFFFF, 0xFFFFFFFF); | |
820 | REG_PATTERN_TEST(E1000_TDLEN, 0x000FFF80, 0x000FFFFF); | |
821 | ||
822 | REG_SET_AND_CHECK(E1000_RCTL, 0xFFFFFFFF, 0x00000000); | |
823 | ||
824 | before = (((mac->type == e1000_ich8lan) || | |
825 | (mac->type == e1000_ich9lan)) ? 0x06C3B33E : 0x06DFB3FE); | |
826 | REG_SET_AND_CHECK(E1000_RCTL, before, 0x003FFFFB); | |
827 | REG_SET_AND_CHECK(E1000_TCTL, 0xFFFFFFFF, 0x00000000); | |
828 | ||
8658251d AK |
829 | REG_SET_AND_CHECK(E1000_RCTL, before, 0xFFFFFFFF); |
830 | REG_PATTERN_TEST(E1000_RDBAL, 0xFFFFFFF0, 0xFFFFFFFF); | |
831 | if ((mac->type != e1000_ich8lan) && | |
832 | (mac->type != e1000_ich9lan)) | |
833 | REG_PATTERN_TEST(E1000_TXCW, 0xC000FFFF, 0x0000FFFF); | |
834 | REG_PATTERN_TEST(E1000_TDBAL, 0xFFFFFFF0, 0xFFFFFFFF); | |
835 | REG_PATTERN_TEST(E1000_TIDV, 0x0000FFFF, 0x0000FFFF); | |
836 | for (i = 0; i < mac->rar_entry_count; i++) | |
837 | REG_PATTERN_TEST_ARRAY(E1000_RA, ((i << 1) + 1), | |
838 | 0x8003FFFF, 0xFFFFFFFF); | |
bc7f75fa AK |
839 | |
840 | for (i = 0; i < mac->mta_reg_count; i++) | |
841 | REG_PATTERN_TEST_ARRAY(E1000_MTA, i, 0xFFFFFFFF, 0xFFFFFFFF); | |
842 | ||
843 | *data = 0; | |
844 | return 0; | |
845 | } | |
846 | ||
847 | static int e1000_eeprom_test(struct e1000_adapter *adapter, u64 *data) | |
848 | { | |
849 | u16 temp; | |
850 | u16 checksum = 0; | |
851 | u16 i; | |
852 | ||
853 | *data = 0; | |
854 | /* Read and add up the contents of the EEPROM */ | |
855 | for (i = 0; i < (NVM_CHECKSUM_REG + 1); i++) { | |
856 | if ((e1000_read_nvm(&adapter->hw, i, 1, &temp)) < 0) { | |
857 | *data = 1; | |
858 | break; | |
859 | } | |
860 | checksum += temp; | |
861 | } | |
862 | ||
863 | /* If Checksum is not Correct return error else test passed */ | |
864 | if ((checksum != (u16) NVM_SUM) && !(*data)) | |
865 | *data = 2; | |
866 | ||
867 | return *data; | |
868 | } | |
869 | ||
870 | static irqreturn_t e1000_test_intr(int irq, void *data) | |
871 | { | |
872 | struct net_device *netdev = (struct net_device *) data; | |
873 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
874 | struct e1000_hw *hw = &adapter->hw; | |
875 | ||
876 | adapter->test_icr |= er32(ICR); | |
877 | ||
878 | return IRQ_HANDLED; | |
879 | } | |
880 | ||
881 | static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data) | |
882 | { | |
883 | struct net_device *netdev = adapter->netdev; | |
884 | struct e1000_hw *hw = &adapter->hw; | |
885 | u32 mask; | |
886 | u32 shared_int = 1; | |
887 | u32 irq = adapter->pdev->irq; | |
888 | int i; | |
889 | ||
890 | *data = 0; | |
891 | ||
892 | /* NOTE: we don't test MSI interrupts here, yet */ | |
893 | /* Hook up test interrupt handler just for this test */ | |
894 | if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED, netdev->name, | |
895 | netdev)) { | |
896 | shared_int = 0; | |
897 | } else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED, | |
898 | netdev->name, netdev)) { | |
899 | *data = 1; | |
900 | return -1; | |
901 | } | |
902 | ndev_info(netdev, "testing %s interrupt\n", | |
903 | (shared_int ? "shared" : "unshared")); | |
904 | ||
905 | /* Disable all the interrupts */ | |
906 | ew32(IMC, 0xFFFFFFFF); | |
907 | msleep(10); | |
908 | ||
909 | /* Test each interrupt */ | |
910 | for (i = 0; i < 10; i++) { | |
911 | ||
912 | if (((adapter->hw.mac.type == e1000_ich8lan) || | |
913 | (adapter->hw.mac.type == e1000_ich9lan)) && i == 8) | |
914 | continue; | |
915 | ||
916 | /* Interrupt to test */ | |
917 | mask = 1 << i; | |
918 | ||
919 | if (!shared_int) { | |
ad68076e BA |
920 | /* |
921 | * Disable the interrupt to be reported in | |
bc7f75fa AK |
922 | * the cause register and then force the same |
923 | * interrupt and see if one gets posted. If | |
924 | * an interrupt was posted to the bus, the | |
925 | * test failed. | |
926 | */ | |
927 | adapter->test_icr = 0; | |
928 | ew32(IMC, mask); | |
929 | ew32(ICS, mask); | |
930 | msleep(10); | |
931 | ||
932 | if (adapter->test_icr & mask) { | |
933 | *data = 3; | |
934 | break; | |
935 | } | |
936 | } | |
937 | ||
ad68076e BA |
938 | /* |
939 | * Enable the interrupt to be reported in | |
bc7f75fa AK |
940 | * the cause register and then force the same |
941 | * interrupt and see if one gets posted. If | |
942 | * an interrupt was not posted to the bus, the | |
943 | * test failed. | |
944 | */ | |
945 | adapter->test_icr = 0; | |
946 | ew32(IMS, mask); | |
947 | ew32(ICS, mask); | |
948 | msleep(10); | |
949 | ||
950 | if (!(adapter->test_icr & mask)) { | |
951 | *data = 4; | |
952 | break; | |
953 | } | |
954 | ||
955 | if (!shared_int) { | |
ad68076e BA |
956 | /* |
957 | * Disable the other interrupts to be reported in | |
bc7f75fa AK |
958 | * the cause register and then force the other |
959 | * interrupts and see if any get posted. If | |
960 | * an interrupt was posted to the bus, the | |
961 | * test failed. | |
962 | */ | |
963 | adapter->test_icr = 0; | |
964 | ew32(IMC, ~mask & 0x00007FFF); | |
965 | ew32(ICS, ~mask & 0x00007FFF); | |
966 | msleep(10); | |
967 | ||
968 | if (adapter->test_icr) { | |
969 | *data = 5; | |
970 | break; | |
971 | } | |
972 | } | |
973 | } | |
974 | ||
975 | /* Disable all the interrupts */ | |
976 | ew32(IMC, 0xFFFFFFFF); | |
977 | msleep(10); | |
978 | ||
979 | /* Unhook test interrupt handler */ | |
980 | free_irq(irq, netdev); | |
981 | ||
982 | return *data; | |
983 | } | |
984 | ||
985 | static void e1000_free_desc_rings(struct e1000_adapter *adapter) | |
986 | { | |
987 | struct e1000_ring *tx_ring = &adapter->test_tx_ring; | |
988 | struct e1000_ring *rx_ring = &adapter->test_rx_ring; | |
989 | struct pci_dev *pdev = adapter->pdev; | |
990 | int i; | |
991 | ||
992 | if (tx_ring->desc && tx_ring->buffer_info) { | |
993 | for (i = 0; i < tx_ring->count; i++) { | |
994 | if (tx_ring->buffer_info[i].dma) | |
995 | pci_unmap_single(pdev, | |
996 | tx_ring->buffer_info[i].dma, | |
997 | tx_ring->buffer_info[i].length, | |
998 | PCI_DMA_TODEVICE); | |
999 | if (tx_ring->buffer_info[i].skb) | |
1000 | dev_kfree_skb(tx_ring->buffer_info[i].skb); | |
1001 | } | |
1002 | } | |
1003 | ||
1004 | if (rx_ring->desc && rx_ring->buffer_info) { | |
1005 | for (i = 0; i < rx_ring->count; i++) { | |
1006 | if (rx_ring->buffer_info[i].dma) | |
1007 | pci_unmap_single(pdev, | |
1008 | rx_ring->buffer_info[i].dma, | |
1009 | 2048, PCI_DMA_FROMDEVICE); | |
1010 | if (rx_ring->buffer_info[i].skb) | |
1011 | dev_kfree_skb(rx_ring->buffer_info[i].skb); | |
1012 | } | |
1013 | } | |
1014 | ||
1015 | if (tx_ring->desc) { | |
1016 | dma_free_coherent(&pdev->dev, tx_ring->size, tx_ring->desc, | |
1017 | tx_ring->dma); | |
1018 | tx_ring->desc = NULL; | |
1019 | } | |
1020 | if (rx_ring->desc) { | |
1021 | dma_free_coherent(&pdev->dev, rx_ring->size, rx_ring->desc, | |
1022 | rx_ring->dma); | |
1023 | rx_ring->desc = NULL; | |
1024 | } | |
1025 | ||
1026 | kfree(tx_ring->buffer_info); | |
1027 | tx_ring->buffer_info = NULL; | |
1028 | kfree(rx_ring->buffer_info); | |
1029 | rx_ring->buffer_info = NULL; | |
1030 | } | |
1031 | ||
1032 | static int e1000_setup_desc_rings(struct e1000_adapter *adapter) | |
1033 | { | |
1034 | struct e1000_ring *tx_ring = &adapter->test_tx_ring; | |
1035 | struct e1000_ring *rx_ring = &adapter->test_rx_ring; | |
1036 | struct pci_dev *pdev = adapter->pdev; | |
1037 | struct e1000_hw *hw = &adapter->hw; | |
1038 | u32 rctl; | |
1039 | int size; | |
1040 | int i; | |
1041 | int ret_val; | |
1042 | ||
1043 | /* Setup Tx descriptor ring and Tx buffers */ | |
1044 | ||
1045 | if (!tx_ring->count) | |
1046 | tx_ring->count = E1000_DEFAULT_TXD; | |
1047 | ||
1048 | size = tx_ring->count * sizeof(struct e1000_buffer); | |
1049 | tx_ring->buffer_info = kmalloc(size, GFP_KERNEL); | |
1050 | if (!tx_ring->buffer_info) { | |
1051 | ret_val = 1; | |
1052 | goto err_nomem; | |
1053 | } | |
1054 | memset(tx_ring->buffer_info, 0, size); | |
1055 | ||
1056 | tx_ring->size = tx_ring->count * sizeof(struct e1000_tx_desc); | |
1057 | tx_ring->size = ALIGN(tx_ring->size, 4096); | |
1058 | tx_ring->desc = dma_alloc_coherent(&pdev->dev, tx_ring->size, | |
1059 | &tx_ring->dma, GFP_KERNEL); | |
1060 | if (!tx_ring->desc) { | |
1061 | ret_val = 2; | |
1062 | goto err_nomem; | |
1063 | } | |
1064 | memset(tx_ring->desc, 0, tx_ring->size); | |
1065 | tx_ring->next_to_use = 0; | |
1066 | tx_ring->next_to_clean = 0; | |
1067 | ||
1068 | ew32(TDBAL, | |
1069 | ((u64) tx_ring->dma & 0x00000000FFFFFFFF)); | |
1070 | ew32(TDBAH, ((u64) tx_ring->dma >> 32)); | |
1071 | ew32(TDLEN, | |
1072 | tx_ring->count * sizeof(struct e1000_tx_desc)); | |
1073 | ew32(TDH, 0); | |
1074 | ew32(TDT, 0); | |
1075 | ew32(TCTL, | |
1076 | E1000_TCTL_PSP | E1000_TCTL_EN | | |
1077 | E1000_COLLISION_THRESHOLD << E1000_CT_SHIFT | | |
1078 | E1000_COLLISION_DISTANCE << E1000_COLD_SHIFT); | |
1079 | ||
1080 | for (i = 0; i < tx_ring->count; i++) { | |
1081 | struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*tx_ring, i); | |
1082 | struct sk_buff *skb; | |
1083 | unsigned int skb_size = 1024; | |
1084 | ||
1085 | skb = alloc_skb(skb_size, GFP_KERNEL); | |
1086 | if (!skb) { | |
1087 | ret_val = 3; | |
1088 | goto err_nomem; | |
1089 | } | |
1090 | skb_put(skb, skb_size); | |
1091 | tx_ring->buffer_info[i].skb = skb; | |
1092 | tx_ring->buffer_info[i].length = skb->len; | |
1093 | tx_ring->buffer_info[i].dma = | |
1094 | pci_map_single(pdev, skb->data, skb->len, | |
1095 | PCI_DMA_TODEVICE); | |
1096 | if (pci_dma_mapping_error(tx_ring->buffer_info[i].dma)) { | |
1097 | ret_val = 4; | |
1098 | goto err_nomem; | |
1099 | } | |
1100 | tx_desc->buffer_addr = cpu_to_le64( | |
1101 | tx_ring->buffer_info[i].dma); | |
1102 | tx_desc->lower.data = cpu_to_le32(skb->len); | |
1103 | tx_desc->lower.data |= cpu_to_le32(E1000_TXD_CMD_EOP | | |
1104 | E1000_TXD_CMD_IFCS | | |
1105 | E1000_TXD_CMD_RPS); | |
1106 | tx_desc->upper.data = 0; | |
1107 | } | |
1108 | ||
1109 | /* Setup Rx descriptor ring and Rx buffers */ | |
1110 | ||
1111 | if (!rx_ring->count) | |
1112 | rx_ring->count = E1000_DEFAULT_RXD; | |
1113 | ||
1114 | size = rx_ring->count * sizeof(struct e1000_buffer); | |
1115 | rx_ring->buffer_info = kmalloc(size, GFP_KERNEL); | |
1116 | if (!rx_ring->buffer_info) { | |
1117 | ret_val = 5; | |
1118 | goto err_nomem; | |
1119 | } | |
1120 | memset(rx_ring->buffer_info, 0, size); | |
1121 | ||
1122 | rx_ring->size = rx_ring->count * sizeof(struct e1000_rx_desc); | |
1123 | rx_ring->desc = dma_alloc_coherent(&pdev->dev, rx_ring->size, | |
1124 | &rx_ring->dma, GFP_KERNEL); | |
1125 | if (!rx_ring->desc) { | |
1126 | ret_val = 6; | |
1127 | goto err_nomem; | |
1128 | } | |
1129 | memset(rx_ring->desc, 0, rx_ring->size); | |
1130 | rx_ring->next_to_use = 0; | |
1131 | rx_ring->next_to_clean = 0; | |
1132 | ||
1133 | rctl = er32(RCTL); | |
1134 | ew32(RCTL, rctl & ~E1000_RCTL_EN); | |
1135 | ew32(RDBAL, ((u64) rx_ring->dma & 0xFFFFFFFF)); | |
1136 | ew32(RDBAH, ((u64) rx_ring->dma >> 32)); | |
1137 | ew32(RDLEN, rx_ring->size); | |
1138 | ew32(RDH, 0); | |
1139 | ew32(RDT, 0); | |
1140 | rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 | | |
1141 | E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF | | |
1142 | (adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT); | |
1143 | ew32(RCTL, rctl); | |
1144 | ||
1145 | for (i = 0; i < rx_ring->count; i++) { | |
1146 | struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rx_ring, i); | |
1147 | struct sk_buff *skb; | |
1148 | ||
1149 | skb = alloc_skb(2048 + NET_IP_ALIGN, GFP_KERNEL); | |
1150 | if (!skb) { | |
1151 | ret_val = 7; | |
1152 | goto err_nomem; | |
1153 | } | |
1154 | skb_reserve(skb, NET_IP_ALIGN); | |
1155 | rx_ring->buffer_info[i].skb = skb; | |
1156 | rx_ring->buffer_info[i].dma = | |
1157 | pci_map_single(pdev, skb->data, 2048, | |
1158 | PCI_DMA_FROMDEVICE); | |
1159 | if (pci_dma_mapping_error(rx_ring->buffer_info[i].dma)) { | |
1160 | ret_val = 8; | |
1161 | goto err_nomem; | |
1162 | } | |
1163 | rx_desc->buffer_addr = | |
1164 | cpu_to_le64(rx_ring->buffer_info[i].dma); | |
1165 | memset(skb->data, 0x00, skb->len); | |
1166 | } | |
1167 | ||
1168 | return 0; | |
1169 | ||
1170 | err_nomem: | |
1171 | e1000_free_desc_rings(adapter); | |
1172 | return ret_val; | |
1173 | } | |
1174 | ||
1175 | static void e1000_phy_disable_receiver(struct e1000_adapter *adapter) | |
1176 | { | |
1177 | /* Write out to PHY registers 29 and 30 to disable the Receiver. */ | |
1178 | e1e_wphy(&adapter->hw, 29, 0x001F); | |
1179 | e1e_wphy(&adapter->hw, 30, 0x8FFC); | |
1180 | e1e_wphy(&adapter->hw, 29, 0x001A); | |
1181 | e1e_wphy(&adapter->hw, 30, 0x8FF0); | |
1182 | } | |
1183 | ||
1184 | static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter) | |
1185 | { | |
1186 | struct e1000_hw *hw = &adapter->hw; | |
1187 | u32 ctrl_reg = 0; | |
1188 | u32 stat_reg = 0; | |
1189 | ||
1190 | adapter->hw.mac.autoneg = 0; | |
1191 | ||
1192 | if (adapter->hw.phy.type == e1000_phy_m88) { | |
1193 | /* Auto-MDI/MDIX Off */ | |
1194 | e1e_wphy(hw, M88E1000_PHY_SPEC_CTRL, 0x0808); | |
1195 | /* reset to update Auto-MDI/MDIX */ | |
1196 | e1e_wphy(hw, PHY_CONTROL, 0x9140); | |
1197 | /* autoneg off */ | |
1198 | e1e_wphy(hw, PHY_CONTROL, 0x8140); | |
1199 | } else if (adapter->hw.phy.type == e1000_phy_gg82563) | |
1200 | e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x1CC); | |
1201 | ||
1202 | ctrl_reg = er32(CTRL); | |
1203 | ||
1204 | if (adapter->hw.phy.type == e1000_phy_ife) { | |
1205 | /* force 100, set loopback */ | |
1206 | e1e_wphy(hw, PHY_CONTROL, 0x6100); | |
1207 | ||
1208 | /* Now set up the MAC to the same speed/duplex as the PHY. */ | |
1209 | ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ | |
1210 | ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ | |
1211 | E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ | |
1212 | E1000_CTRL_SPD_100 |/* Force Speed to 100 */ | |
1213 | E1000_CTRL_FD); /* Force Duplex to FULL */ | |
1214 | } else { | |
1215 | /* force 1000, set loopback */ | |
1216 | e1e_wphy(hw, PHY_CONTROL, 0x4140); | |
1217 | ||
1218 | /* Now set up the MAC to the same speed/duplex as the PHY. */ | |
1219 | ctrl_reg = er32(CTRL); | |
1220 | ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */ | |
1221 | ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */ | |
1222 | E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */ | |
1223 | E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */ | |
1224 | E1000_CTRL_FD); /* Force Duplex to FULL */ | |
1225 | } | |
1226 | ||
1227 | if (adapter->hw.media_type == e1000_media_type_copper && | |
1228 | adapter->hw.phy.type == e1000_phy_m88) { | |
1229 | ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */ | |
1230 | } else { | |
ad68076e BA |
1231 | /* |
1232 | * Set the ILOS bit on the fiber Nic if half duplex link is | |
1233 | * detected. | |
1234 | */ | |
bc7f75fa AK |
1235 | stat_reg = er32(STATUS); |
1236 | if ((stat_reg & E1000_STATUS_FD) == 0) | |
1237 | ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU); | |
1238 | } | |
1239 | ||
1240 | ew32(CTRL, ctrl_reg); | |
1241 | ||
ad68076e BA |
1242 | /* |
1243 | * Disable the receiver on the PHY so when a cable is plugged in, the | |
bc7f75fa AK |
1244 | * PHY does not begin to autoneg when a cable is reconnected to the NIC. |
1245 | */ | |
1246 | if (adapter->hw.phy.type == e1000_phy_m88) | |
1247 | e1000_phy_disable_receiver(adapter); | |
1248 | ||
1249 | udelay(500); | |
1250 | ||
1251 | return 0; | |
1252 | } | |
1253 | ||
1254 | static int e1000_set_82571_fiber_loopback(struct e1000_adapter *adapter) | |
1255 | { | |
1256 | struct e1000_hw *hw = &adapter->hw; | |
1257 | u32 ctrl = er32(CTRL); | |
1258 | int link = 0; | |
1259 | ||
1260 | /* special requirements for 82571/82572 fiber adapters */ | |
1261 | ||
ad68076e BA |
1262 | /* |
1263 | * jump through hoops to make sure link is up because serdes | |
1264 | * link is hardwired up | |
1265 | */ | |
bc7f75fa AK |
1266 | ctrl |= E1000_CTRL_SLU; |
1267 | ew32(CTRL, ctrl); | |
1268 | ||
1269 | /* disable autoneg */ | |
1270 | ctrl = er32(TXCW); | |
1271 | ctrl &= ~(1 << 31); | |
1272 | ew32(TXCW, ctrl); | |
1273 | ||
1274 | link = (er32(STATUS) & E1000_STATUS_LU); | |
1275 | ||
1276 | if (!link) { | |
1277 | /* set invert loss of signal */ | |
1278 | ctrl = er32(CTRL); | |
1279 | ctrl |= E1000_CTRL_ILOS; | |
1280 | ew32(CTRL, ctrl); | |
1281 | } | |
1282 | ||
ad68076e BA |
1283 | /* |
1284 | * special write to serdes control register to enable SerDes analog | |
1285 | * loopback | |
1286 | */ | |
bc7f75fa AK |
1287 | #define E1000_SERDES_LB_ON 0x410 |
1288 | ew32(SCTL, E1000_SERDES_LB_ON); | |
1289 | msleep(10); | |
1290 | ||
1291 | return 0; | |
1292 | } | |
1293 | ||
1294 | /* only call this for fiber/serdes connections to es2lan */ | |
1295 | static int e1000_set_es2lan_mac_loopback(struct e1000_adapter *adapter) | |
1296 | { | |
1297 | struct e1000_hw *hw = &adapter->hw; | |
1298 | u32 ctrlext = er32(CTRL_EXT); | |
1299 | u32 ctrl = er32(CTRL); | |
1300 | ||
ad68076e BA |
1301 | /* |
1302 | * save CTRL_EXT to restore later, reuse an empty variable (unused | |
1303 | * on mac_type 80003es2lan) | |
1304 | */ | |
bc7f75fa AK |
1305 | adapter->tx_fifo_head = ctrlext; |
1306 | ||
1307 | /* clear the serdes mode bits, putting the device into mac loopback */ | |
1308 | ctrlext &= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES; | |
1309 | ew32(CTRL_EXT, ctrlext); | |
1310 | ||
1311 | /* force speed to 1000/FD, link up */ | |
1312 | ctrl &= ~(E1000_CTRL_SPD_1000 | E1000_CTRL_SPD_100); | |
1313 | ctrl |= (E1000_CTRL_SLU | E1000_CTRL_FRCSPD | E1000_CTRL_FRCDPX | | |
1314 | E1000_CTRL_SPD_1000 | E1000_CTRL_FD); | |
1315 | ew32(CTRL, ctrl); | |
1316 | ||
1317 | /* set mac loopback */ | |
1318 | ctrl = er32(RCTL); | |
1319 | ctrl |= E1000_RCTL_LBM_MAC; | |
1320 | ew32(RCTL, ctrl); | |
1321 | ||
1322 | /* set testing mode parameters (no need to reset later) */ | |
1323 | #define KMRNCTRLSTA_OPMODE (0x1F << 16) | |
1324 | #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582 | |
1325 | ew32(KMRNCTRLSTA, | |
1326 | (KMRNCTRLSTA_OPMODE | KMRNCTRLSTA_OPMODE_1GB_FD_GMII)); | |
1327 | ||
1328 | return 0; | |
1329 | } | |
1330 | ||
1331 | static int e1000_setup_loopback_test(struct e1000_adapter *adapter) | |
1332 | { | |
1333 | struct e1000_hw *hw = &adapter->hw; | |
1334 | u32 rctl; | |
1335 | ||
1336 | if (hw->media_type == e1000_media_type_fiber || | |
1337 | hw->media_type == e1000_media_type_internal_serdes) { | |
1338 | switch (hw->mac.type) { | |
1339 | case e1000_80003es2lan: | |
1340 | return e1000_set_es2lan_mac_loopback(adapter); | |
1341 | break; | |
1342 | case e1000_82571: | |
1343 | case e1000_82572: | |
1344 | return e1000_set_82571_fiber_loopback(adapter); | |
1345 | break; | |
1346 | default: | |
1347 | rctl = er32(RCTL); | |
1348 | rctl |= E1000_RCTL_LBM_TCVR; | |
1349 | ew32(RCTL, rctl); | |
1350 | return 0; | |
1351 | } | |
1352 | } else if (hw->media_type == e1000_media_type_copper) { | |
1353 | return e1000_integrated_phy_loopback(adapter); | |
1354 | } | |
1355 | ||
1356 | return 7; | |
1357 | } | |
1358 | ||
1359 | static void e1000_loopback_cleanup(struct e1000_adapter *adapter) | |
1360 | { | |
1361 | struct e1000_hw *hw = &adapter->hw; | |
1362 | u32 rctl; | |
1363 | u16 phy_reg; | |
1364 | ||
1365 | rctl = er32(RCTL); | |
1366 | rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC); | |
1367 | ew32(RCTL, rctl); | |
1368 | ||
1369 | switch (hw->mac.type) { | |
1370 | case e1000_80003es2lan: | |
1371 | if (hw->media_type == e1000_media_type_fiber || | |
1372 | hw->media_type == e1000_media_type_internal_serdes) { | |
1373 | /* restore CTRL_EXT, stealing space from tx_fifo_head */ | |
ad68076e | 1374 | ew32(CTRL_EXT, adapter->tx_fifo_head); |
bc7f75fa AK |
1375 | adapter->tx_fifo_head = 0; |
1376 | } | |
1377 | /* fall through */ | |
1378 | case e1000_82571: | |
1379 | case e1000_82572: | |
1380 | if (hw->media_type == e1000_media_type_fiber || | |
1381 | hw->media_type == e1000_media_type_internal_serdes) { | |
1382 | #define E1000_SERDES_LB_OFF 0x400 | |
1383 | ew32(SCTL, E1000_SERDES_LB_OFF); | |
1384 | msleep(10); | |
1385 | break; | |
1386 | } | |
1387 | /* Fall Through */ | |
1388 | default: | |
1389 | hw->mac.autoneg = 1; | |
1390 | if (hw->phy.type == e1000_phy_gg82563) | |
1391 | e1e_wphy(hw, GG82563_PHY_KMRN_MODE_CTRL, 0x180); | |
1392 | e1e_rphy(hw, PHY_CONTROL, &phy_reg); | |
1393 | if (phy_reg & MII_CR_LOOPBACK) { | |
1394 | phy_reg &= ~MII_CR_LOOPBACK; | |
1395 | e1e_wphy(hw, PHY_CONTROL, phy_reg); | |
1396 | e1000e_commit_phy(hw); | |
1397 | } | |
1398 | break; | |
1399 | } | |
1400 | } | |
1401 | ||
1402 | static void e1000_create_lbtest_frame(struct sk_buff *skb, | |
1403 | unsigned int frame_size) | |
1404 | { | |
1405 | memset(skb->data, 0xFF, frame_size); | |
1406 | frame_size &= ~1; | |
1407 | memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1); | |
1408 | memset(&skb->data[frame_size / 2 + 10], 0xBE, 1); | |
1409 | memset(&skb->data[frame_size / 2 + 12], 0xAF, 1); | |
1410 | } | |
1411 | ||
1412 | static int e1000_check_lbtest_frame(struct sk_buff *skb, | |
1413 | unsigned int frame_size) | |
1414 | { | |
1415 | frame_size &= ~1; | |
1416 | if (*(skb->data + 3) == 0xFF) | |
1417 | if ((*(skb->data + frame_size / 2 + 10) == 0xBE) && | |
1418 | (*(skb->data + frame_size / 2 + 12) == 0xAF)) | |
1419 | return 0; | |
1420 | return 13; | |
1421 | } | |
1422 | ||
1423 | static int e1000_run_loopback_test(struct e1000_adapter *adapter) | |
1424 | { | |
1425 | struct e1000_ring *tx_ring = &adapter->test_tx_ring; | |
1426 | struct e1000_ring *rx_ring = &adapter->test_rx_ring; | |
1427 | struct pci_dev *pdev = adapter->pdev; | |
1428 | struct e1000_hw *hw = &adapter->hw; | |
1429 | int i, j, k, l; | |
1430 | int lc; | |
1431 | int good_cnt; | |
1432 | int ret_val = 0; | |
1433 | unsigned long time; | |
1434 | ||
1435 | ew32(RDT, rx_ring->count - 1); | |
1436 | ||
ad68076e BA |
1437 | /* |
1438 | * Calculate the loop count based on the largest descriptor ring | |
bc7f75fa AK |
1439 | * The idea is to wrap the largest ring a number of times using 64 |
1440 | * send/receive pairs during each loop | |
1441 | */ | |
1442 | ||
1443 | if (rx_ring->count <= tx_ring->count) | |
1444 | lc = ((tx_ring->count / 64) * 2) + 1; | |
1445 | else | |
1446 | lc = ((rx_ring->count / 64) * 2) + 1; | |
1447 | ||
1448 | k = 0; | |
1449 | l = 0; | |
1450 | for (j = 0; j <= lc; j++) { /* loop count loop */ | |
1451 | for (i = 0; i < 64; i++) { /* send the packets */ | |
1452 | e1000_create_lbtest_frame( | |
1453 | tx_ring->buffer_info[i].skb, 1024); | |
1454 | pci_dma_sync_single_for_device(pdev, | |
1455 | tx_ring->buffer_info[k].dma, | |
1456 | tx_ring->buffer_info[k].length, | |
1457 | PCI_DMA_TODEVICE); | |
1458 | k++; | |
1459 | if (k == tx_ring->count) | |
1460 | k = 0; | |
1461 | } | |
1462 | ew32(TDT, k); | |
1463 | msleep(200); | |
1464 | time = jiffies; /* set the start time for the receive */ | |
1465 | good_cnt = 0; | |
1466 | do { /* receive the sent packets */ | |
1467 | pci_dma_sync_single_for_cpu(pdev, | |
1468 | rx_ring->buffer_info[l].dma, 2048, | |
1469 | PCI_DMA_FROMDEVICE); | |
1470 | ||
1471 | ret_val = e1000_check_lbtest_frame( | |
1472 | rx_ring->buffer_info[l].skb, 1024); | |
1473 | if (!ret_val) | |
1474 | good_cnt++; | |
1475 | l++; | |
1476 | if (l == rx_ring->count) | |
1477 | l = 0; | |
ad68076e BA |
1478 | /* |
1479 | * time + 20 msecs (200 msecs on 2.4) is more than | |
bc7f75fa AK |
1480 | * enough time to complete the receives, if it's |
1481 | * exceeded, break and error off | |
1482 | */ | |
1483 | } while ((good_cnt < 64) && !time_after(jiffies, time + 20)); | |
1484 | if (good_cnt != 64) { | |
1485 | ret_val = 13; /* ret_val is the same as mis-compare */ | |
1486 | break; | |
1487 | } | |
1488 | if (jiffies >= (time + 2)) { | |
1489 | ret_val = 14; /* error code for time out error */ | |
1490 | break; | |
1491 | } | |
1492 | } /* end loop count loop */ | |
1493 | return ret_val; | |
1494 | } | |
1495 | ||
1496 | static int e1000_loopback_test(struct e1000_adapter *adapter, u64 *data) | |
1497 | { | |
ad68076e BA |
1498 | /* |
1499 | * PHY loopback cannot be performed if SoL/IDER | |
1500 | * sessions are active | |
1501 | */ | |
bc7f75fa AK |
1502 | if (e1000_check_reset_block(&adapter->hw)) { |
1503 | ndev_err(adapter->netdev, "Cannot do PHY loopback test " | |
1504 | "when SoL/IDER is active.\n"); | |
1505 | *data = 0; | |
1506 | goto out; | |
1507 | } | |
1508 | ||
1509 | *data = e1000_setup_desc_rings(adapter); | |
e265522c | 1510 | if (*data) |
bc7f75fa AK |
1511 | goto out; |
1512 | ||
1513 | *data = e1000_setup_loopback_test(adapter); | |
e265522c | 1514 | if (*data) |
bc7f75fa AK |
1515 | goto err_loopback; |
1516 | ||
1517 | *data = e1000_run_loopback_test(adapter); | |
1518 | e1000_loopback_cleanup(adapter); | |
1519 | ||
1520 | err_loopback: | |
1521 | e1000_free_desc_rings(adapter); | |
1522 | out: | |
1523 | return *data; | |
1524 | } | |
1525 | ||
1526 | static int e1000_link_test(struct e1000_adapter *adapter, u64 *data) | |
1527 | { | |
1528 | struct e1000_hw *hw = &adapter->hw; | |
1529 | ||
1530 | *data = 0; | |
1531 | if (hw->media_type == e1000_media_type_internal_serdes) { | |
1532 | int i = 0; | |
1533 | hw->mac.serdes_has_link = 0; | |
1534 | ||
ad68076e BA |
1535 | /* |
1536 | * On some blade server designs, link establishment | |
1537 | * could take as long as 2-3 minutes | |
1538 | */ | |
bc7f75fa AK |
1539 | do { |
1540 | hw->mac.ops.check_for_link(hw); | |
1541 | if (hw->mac.serdes_has_link) | |
1542 | return *data; | |
1543 | msleep(20); | |
1544 | } while (i++ < 3750); | |
1545 | ||
1546 | *data = 1; | |
1547 | } else { | |
1548 | hw->mac.ops.check_for_link(hw); | |
1549 | if (hw->mac.autoneg) | |
1550 | msleep(4000); | |
1551 | ||
1552 | if (!(er32(STATUS) & | |
1553 | E1000_STATUS_LU)) | |
1554 | *data = 1; | |
1555 | } | |
1556 | return *data; | |
1557 | } | |
1558 | ||
b9f2c044 | 1559 | static int e1000e_get_sset_count(struct net_device *netdev, int sset) |
bc7f75fa | 1560 | { |
b9f2c044 JG |
1561 | switch (sset) { |
1562 | case ETH_SS_TEST: | |
1563 | return E1000_TEST_LEN; | |
1564 | case ETH_SS_STATS: | |
1565 | return E1000_STATS_LEN; | |
1566 | default: | |
1567 | return -EOPNOTSUPP; | |
1568 | } | |
bc7f75fa AK |
1569 | } |
1570 | ||
1571 | static void e1000_diag_test(struct net_device *netdev, | |
1572 | struct ethtool_test *eth_test, u64 *data) | |
1573 | { | |
1574 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
1575 | u16 autoneg_advertised; | |
1576 | u8 forced_speed_duplex; | |
1577 | u8 autoneg; | |
1578 | bool if_running = netif_running(netdev); | |
1579 | ||
1580 | set_bit(__E1000_TESTING, &adapter->state); | |
1581 | if (eth_test->flags == ETH_TEST_FL_OFFLINE) { | |
1582 | /* Offline tests */ | |
1583 | ||
1584 | /* save speed, duplex, autoneg settings */ | |
1585 | autoneg_advertised = adapter->hw.phy.autoneg_advertised; | |
1586 | forced_speed_duplex = adapter->hw.mac.forced_speed_duplex; | |
1587 | autoneg = adapter->hw.mac.autoneg; | |
1588 | ||
1589 | ndev_info(netdev, "offline testing starting\n"); | |
1590 | ||
ad68076e BA |
1591 | /* |
1592 | * Link test performed before hardware reset so autoneg doesn't | |
1593 | * interfere with test result | |
1594 | */ | |
bc7f75fa AK |
1595 | if (e1000_link_test(adapter, &data[4])) |
1596 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
1597 | ||
1598 | if (if_running) | |
1599 | /* indicate we're in test mode */ | |
1600 | dev_close(netdev); | |
1601 | else | |
1602 | e1000e_reset(adapter); | |
1603 | ||
1604 | if (e1000_reg_test(adapter, &data[0])) | |
1605 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
1606 | ||
1607 | e1000e_reset(adapter); | |
1608 | if (e1000_eeprom_test(adapter, &data[1])) | |
1609 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
1610 | ||
1611 | e1000e_reset(adapter); | |
1612 | if (e1000_intr_test(adapter, &data[2])) | |
1613 | eth_test->flags |= ETH_TEST_FL_FAILED; | |
1614 | ||
1615 | e1000e_reset(adapter); | |
1616 | /* make sure the phy is powered up */ | |
1617 | e1000e_power_up_phy(adapter); | |
1618 | if (e1000_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.wait_for_link = 1; | |
1628 | e1000e_reset(adapter); | |
1629 | adapter->hw.phy.wait_for_link = 0; | |
1630 | ||
1631 | clear_bit(__E1000_TESTING, &adapter->state); | |
1632 | if (if_running) | |
1633 | dev_open(netdev); | |
1634 | } else { | |
1635 | ndev_info(netdev, "online testing starting\n"); | |
1636 | /* Online tests */ | |
1637 | if (e1000_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(__E1000_TESTING, &adapter->state); | |
1647 | } | |
1648 | msleep_interruptible(4 * 1000); | |
1649 | } | |
1650 | ||
1651 | static void e1000_get_wol(struct net_device *netdev, | |
1652 | struct ethtool_wolinfo *wol) | |
1653 | { | |
1654 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
1655 | ||
1656 | wol->supported = 0; | |
1657 | wol->wolopts = 0; | |
1658 | ||
1659 | if (!(adapter->flags & FLAG_HAS_WOL)) | |
1660 | return; | |
1661 | ||
1662 | wol->supported = WAKE_UCAST | WAKE_MCAST | | |
efb90e43 MW |
1663 | WAKE_BCAST | WAKE_MAGIC | |
1664 | WAKE_PHY | WAKE_ARP; | |
bc7f75fa AK |
1665 | |
1666 | /* apply any specific unsupported masks here */ | |
1667 | if (adapter->flags & FLAG_NO_WAKE_UCAST) { | |
1668 | wol->supported &= ~WAKE_UCAST; | |
1669 | ||
1670 | if (adapter->wol & E1000_WUFC_EX) | |
1671 | ndev_err(netdev, "Interface does not support " | |
1672 | "directed (unicast) frame wake-up packets\n"); | |
1673 | } | |
1674 | ||
1675 | if (adapter->wol & E1000_WUFC_EX) | |
1676 | wol->wolopts |= WAKE_UCAST; | |
1677 | if (adapter->wol & E1000_WUFC_MC) | |
1678 | wol->wolopts |= WAKE_MCAST; | |
1679 | if (adapter->wol & E1000_WUFC_BC) | |
1680 | wol->wolopts |= WAKE_BCAST; | |
1681 | if (adapter->wol & E1000_WUFC_MAG) | |
1682 | wol->wolopts |= WAKE_MAGIC; | |
efb90e43 MW |
1683 | if (adapter->wol & E1000_WUFC_LNKC) |
1684 | wol->wolopts |= WAKE_PHY; | |
1685 | if (adapter->wol & E1000_WUFC_ARP) | |
1686 | wol->wolopts |= WAKE_ARP; | |
bc7f75fa AK |
1687 | } |
1688 | ||
1689 | static int e1000_set_wol(struct net_device *netdev, | |
1690 | struct ethtool_wolinfo *wol) | |
1691 | { | |
1692 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
1693 | ||
efb90e43 | 1694 | if (wol->wolopts & WAKE_MAGICSECURE) |
bc7f75fa AK |
1695 | return -EOPNOTSUPP; |
1696 | ||
1697 | if (!(adapter->flags & FLAG_HAS_WOL)) | |
1698 | return wol->wolopts ? -EOPNOTSUPP : 0; | |
1699 | ||
1700 | /* these settings will always override what we currently have */ | |
1701 | adapter->wol = 0; | |
1702 | ||
1703 | if (wol->wolopts & WAKE_UCAST) | |
1704 | adapter->wol |= E1000_WUFC_EX; | |
1705 | if (wol->wolopts & WAKE_MCAST) | |
1706 | adapter->wol |= E1000_WUFC_MC; | |
1707 | if (wol->wolopts & WAKE_BCAST) | |
1708 | adapter->wol |= E1000_WUFC_BC; | |
1709 | if (wol->wolopts & WAKE_MAGIC) | |
1710 | adapter->wol |= E1000_WUFC_MAG; | |
efb90e43 MW |
1711 | if (wol->wolopts & WAKE_PHY) |
1712 | adapter->wol |= E1000_WUFC_LNKC; | |
1713 | if (wol->wolopts & WAKE_ARP) | |
1714 | adapter->wol |= E1000_WUFC_ARP; | |
bc7f75fa AK |
1715 | |
1716 | return 0; | |
1717 | } | |
1718 | ||
1719 | /* toggle LED 4 times per second = 2 "blinks" per second */ | |
1720 | #define E1000_ID_INTERVAL (HZ/4) | |
1721 | ||
1722 | /* bit defines for adapter->led_status */ | |
1723 | #define E1000_LED_ON 0 | |
1724 | ||
1725 | static void e1000_led_blink_callback(unsigned long data) | |
1726 | { | |
1727 | struct e1000_adapter *adapter = (struct e1000_adapter *) data; | |
1728 | ||
1729 | if (test_and_change_bit(E1000_LED_ON, &adapter->led_status)) | |
1730 | adapter->hw.mac.ops.led_off(&adapter->hw); | |
1731 | else | |
1732 | adapter->hw.mac.ops.led_on(&adapter->hw); | |
1733 | ||
1734 | mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL); | |
1735 | } | |
1736 | ||
1737 | static int e1000_phys_id(struct net_device *netdev, u32 data) | |
1738 | { | |
1739 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
1740 | ||
5a9147bb SH |
1741 | if (!data) |
1742 | data = INT_MAX; | |
bc7f75fa AK |
1743 | |
1744 | if (adapter->hw.phy.type == e1000_phy_ife) { | |
1745 | if (!adapter->blink_timer.function) { | |
1746 | init_timer(&adapter->blink_timer); | |
1747 | adapter->blink_timer.function = | |
1748 | e1000_led_blink_callback; | |
1749 | adapter->blink_timer.data = (unsigned long) adapter; | |
1750 | } | |
1751 | mod_timer(&adapter->blink_timer, jiffies); | |
1752 | msleep_interruptible(data * 1000); | |
1753 | del_timer_sync(&adapter->blink_timer); | |
1754 | e1e_wphy(&adapter->hw, | |
1755 | IFE_PHY_SPECIAL_CONTROL_LED, 0); | |
1756 | } else { | |
1757 | e1000e_blink_led(&adapter->hw); | |
1758 | msleep_interruptible(data * 1000); | |
1759 | } | |
1760 | ||
1761 | adapter->hw.mac.ops.led_off(&adapter->hw); | |
1762 | clear_bit(E1000_LED_ON, &adapter->led_status); | |
1763 | adapter->hw.mac.ops.cleanup_led(&adapter->hw); | |
1764 | ||
1765 | return 0; | |
1766 | } | |
1767 | ||
1768 | static int e1000_nway_reset(struct net_device *netdev) | |
1769 | { | |
1770 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
1771 | if (netif_running(netdev)) | |
1772 | e1000e_reinit_locked(adapter); | |
1773 | return 0; | |
1774 | } | |
1775 | ||
bc7f75fa AK |
1776 | static void e1000_get_ethtool_stats(struct net_device *netdev, |
1777 | struct ethtool_stats *stats, | |
1778 | u64 *data) | |
1779 | { | |
1780 | struct e1000_adapter *adapter = netdev_priv(netdev); | |
1781 | int i; | |
1782 | ||
1783 | e1000e_update_stats(adapter); | |
1784 | for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { | |
1785 | char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset; | |
1786 | data[i] = (e1000_gstrings_stats[i].sizeof_stat == | |
1787 | sizeof(u64)) ? *(u64 *)p : *(u32 *)p; | |
1788 | } | |
1789 | } | |
1790 | ||
1791 | static void e1000_get_strings(struct net_device *netdev, u32 stringset, | |
1792 | u8 *data) | |
1793 | { | |
1794 | u8 *p = data; | |
1795 | int i; | |
1796 | ||
1797 | switch (stringset) { | |
1798 | case ETH_SS_TEST: | |
ad68076e | 1799 | memcpy(data, *e1000_gstrings_test, sizeof(e1000_gstrings_test)); |
bc7f75fa AK |
1800 | break; |
1801 | case ETH_SS_STATS: | |
1802 | for (i = 0; i < E1000_GLOBAL_STATS_LEN; i++) { | |
1803 | memcpy(p, e1000_gstrings_stats[i].stat_string, | |
1804 | ETH_GSTRING_LEN); | |
1805 | p += ETH_GSTRING_LEN; | |
1806 | } | |
1807 | break; | |
1808 | } | |
1809 | } | |
1810 | ||
1811 | static const struct ethtool_ops e1000_ethtool_ops = { | |
1812 | .get_settings = e1000_get_settings, | |
1813 | .set_settings = e1000_set_settings, | |
1814 | .get_drvinfo = e1000_get_drvinfo, | |
1815 | .get_regs_len = e1000_get_regs_len, | |
1816 | .get_regs = e1000_get_regs, | |
1817 | .get_wol = e1000_get_wol, | |
1818 | .set_wol = e1000_set_wol, | |
1819 | .get_msglevel = e1000_get_msglevel, | |
1820 | .set_msglevel = e1000_set_msglevel, | |
1821 | .nway_reset = e1000_nway_reset, | |
369d742d | 1822 | .get_link = e1000_get_link, |
bc7f75fa AK |
1823 | .get_eeprom_len = e1000_get_eeprom_len, |
1824 | .get_eeprom = e1000_get_eeprom, | |
1825 | .set_eeprom = e1000_set_eeprom, | |
1826 | .get_ringparam = e1000_get_ringparam, | |
1827 | .set_ringparam = e1000_set_ringparam, | |
1828 | .get_pauseparam = e1000_get_pauseparam, | |
1829 | .set_pauseparam = e1000_set_pauseparam, | |
1830 | .get_rx_csum = e1000_get_rx_csum, | |
1831 | .set_rx_csum = e1000_set_rx_csum, | |
1832 | .get_tx_csum = e1000_get_tx_csum, | |
1833 | .set_tx_csum = e1000_set_tx_csum, | |
1834 | .get_sg = ethtool_op_get_sg, | |
1835 | .set_sg = ethtool_op_set_sg, | |
1836 | .get_tso = ethtool_op_get_tso, | |
1837 | .set_tso = e1000_set_tso, | |
bc7f75fa AK |
1838 | .self_test = e1000_diag_test, |
1839 | .get_strings = e1000_get_strings, | |
1840 | .phys_id = e1000_phys_id, | |
bc7f75fa | 1841 | .get_ethtool_stats = e1000_get_ethtool_stats, |
b9f2c044 | 1842 | .get_sset_count = e1000e_get_sset_count, |
bc7f75fa AK |
1843 | }; |
1844 | ||
1845 | void e1000e_set_ethtool_ops(struct net_device *netdev) | |
1846 | { | |
1847 | SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops); | |
1848 | } |