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8ceee660 BH |
1 | /**************************************************************************** |
2 | * Driver for Solarflare Solarstorm network controllers and boards | |
3 | * Copyright 2005-2006 Fen Systems Ltd. | |
4 | * Copyright 2006-2008 Solarflare Communications Inc. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License version 2 as published | |
8 | * by the Free Software Foundation, incorporated herein by reference. | |
9 | */ | |
10 | ||
11 | #include <linux/netdevice.h> | |
12 | #include <linux/ethtool.h> | |
68e7f45e | 13 | #include <linux/mdio.h> |
8ceee660 BH |
14 | #include <linux/rtnetlink.h> |
15 | #include "net_driver.h" | |
04cc8cac | 16 | #include "workarounds.h" |
3273c2e8 | 17 | #include "selftest.h" |
8ceee660 BH |
18 | #include "efx.h" |
19 | #include "ethtool.h" | |
20 | #include "falcon.h" | |
4a5b504d | 21 | #include "spi.h" |
04cc8cac | 22 | #include "mdio_10g.h" |
8ceee660 | 23 | |
3273c2e8 BH |
24 | const char *efx_loopback_mode_names[] = { |
25 | [LOOPBACK_NONE] = "NONE", | |
177dfcd8 | 26 | [LOOPBACK_GMAC] = "GMAC", |
3273c2e8 BH |
27 | [LOOPBACK_XGMII] = "XGMII", |
28 | [LOOPBACK_XGXS] = "XGXS", | |
29 | [LOOPBACK_XAUI] = "XAUI", | |
177dfcd8 | 30 | [LOOPBACK_GPHY] = "GPHY", |
740ced99 BH |
31 | [LOOPBACK_PHYXS] = "PHYXS", |
32 | [LOOPBACK_PCS] = "PCS", | |
33 | [LOOPBACK_PMAPMD] = "PMA/PMD", | |
3273c2e8 BH |
34 | [LOOPBACK_NETWORK] = "NETWORK", |
35 | }; | |
36 | ||
8ceee660 BH |
37 | struct ethtool_string { |
38 | char name[ETH_GSTRING_LEN]; | |
39 | }; | |
40 | ||
41 | struct efx_ethtool_stat { | |
42 | const char *name; | |
43 | enum { | |
44 | EFX_ETHTOOL_STAT_SOURCE_mac_stats, | |
45 | EFX_ETHTOOL_STAT_SOURCE_nic, | |
46 | EFX_ETHTOOL_STAT_SOURCE_channel | |
47 | } source; | |
48 | unsigned offset; | |
49 | u64(*get_stat) (void *field); /* Reader function */ | |
50 | }; | |
51 | ||
52 | /* Initialiser for a struct #efx_ethtool_stat with type-checking */ | |
53 | #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \ | |
54 | get_stat_function) { \ | |
55 | .name = #stat_name, \ | |
56 | .source = EFX_ETHTOOL_STAT_SOURCE_##source_name, \ | |
57 | .offset = ((((field_type *) 0) == \ | |
58 | &((struct efx_##source_name *)0)->field) ? \ | |
59 | offsetof(struct efx_##source_name, field) : \ | |
60 | offsetof(struct efx_##source_name, field)), \ | |
61 | .get_stat = get_stat_function, \ | |
62 | } | |
63 | ||
64 | static u64 efx_get_uint_stat(void *field) | |
65 | { | |
66 | return *(unsigned int *)field; | |
67 | } | |
68 | ||
69 | static u64 efx_get_ulong_stat(void *field) | |
70 | { | |
71 | return *(unsigned long *)field; | |
72 | } | |
73 | ||
74 | static u64 efx_get_u64_stat(void *field) | |
75 | { | |
76 | return *(u64 *) field; | |
77 | } | |
78 | ||
79 | static u64 efx_get_atomic_stat(void *field) | |
80 | { | |
81 | return atomic_read((atomic_t *) field); | |
82 | } | |
83 | ||
84 | #define EFX_ETHTOOL_ULONG_MAC_STAT(field) \ | |
85 | EFX_ETHTOOL_STAT(field, mac_stats, field, \ | |
86 | unsigned long, efx_get_ulong_stat) | |
87 | ||
88 | #define EFX_ETHTOOL_U64_MAC_STAT(field) \ | |
89 | EFX_ETHTOOL_STAT(field, mac_stats, field, \ | |
90 | u64, efx_get_u64_stat) | |
91 | ||
92 | #define EFX_ETHTOOL_UINT_NIC_STAT(name) \ | |
93 | EFX_ETHTOOL_STAT(name, nic, n_##name, \ | |
94 | unsigned int, efx_get_uint_stat) | |
95 | ||
96 | #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \ | |
97 | EFX_ETHTOOL_STAT(field, nic, field, \ | |
98 | atomic_t, efx_get_atomic_stat) | |
99 | ||
100 | #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \ | |
101 | EFX_ETHTOOL_STAT(field, channel, n_##field, \ | |
102 | unsigned int, efx_get_uint_stat) | |
103 | ||
104 | static struct efx_ethtool_stat efx_ethtool_stats[] = { | |
105 | EFX_ETHTOOL_U64_MAC_STAT(tx_bytes), | |
106 | EFX_ETHTOOL_U64_MAC_STAT(tx_good_bytes), | |
107 | EFX_ETHTOOL_U64_MAC_STAT(tx_bad_bytes), | |
108 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_packets), | |
109 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_bad), | |
110 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_pause), | |
111 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_control), | |
112 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_unicast), | |
113 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_multicast), | |
114 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_broadcast), | |
115 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_lt64), | |
116 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_64), | |
117 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_65_to_127), | |
118 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_128_to_255), | |
119 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_256_to_511), | |
120 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_512_to_1023), | |
121 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_1024_to_15xx), | |
122 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_15xx_to_jumbo), | |
123 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_gtjumbo), | |
124 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_collision), | |
125 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_single_collision), | |
126 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_multiple_collision), | |
127 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_excessive_collision), | |
128 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_deferred), | |
129 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_late_collision), | |
130 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_excessive_deferred), | |
131 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_non_tcpudp), | |
132 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_mac_src_error), | |
133 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_ip_src_error), | |
134 | EFX_ETHTOOL_U64_MAC_STAT(rx_bytes), | |
135 | EFX_ETHTOOL_U64_MAC_STAT(rx_good_bytes), | |
136 | EFX_ETHTOOL_U64_MAC_STAT(rx_bad_bytes), | |
137 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_packets), | |
138 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_good), | |
139 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad), | |
140 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_pause), | |
141 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_control), | |
142 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_unicast), | |
143 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_multicast), | |
144 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_broadcast), | |
145 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_lt64), | |
146 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_64), | |
147 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_65_to_127), | |
148 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_128_to_255), | |
149 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_256_to_511), | |
150 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_512_to_1023), | |
151 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_1024_to_15xx), | |
152 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_15xx_to_jumbo), | |
153 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_gtjumbo), | |
154 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_lt64), | |
155 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_64_to_15xx), | |
156 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_15xx_to_jumbo), | |
157 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_gtjumbo), | |
158 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_overflow), | |
159 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_missed), | |
160 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_false_carrier), | |
161 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_symbol_error), | |
162 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_align_error), | |
163 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_length_error), | |
164 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_internal_error), | |
165 | EFX_ETHTOOL_UINT_NIC_STAT(rx_nodesc_drop_cnt), | |
166 | EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset), | |
167 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc), | |
168 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err), | |
169 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err), | |
170 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc), | |
171 | }; | |
172 | ||
173 | /* Number of ethtool statistics */ | |
174 | #define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats) | |
175 | ||
4a5b504d | 176 | #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB |
4a5b504d | 177 | |
8ceee660 BH |
178 | /************************************************************************** |
179 | * | |
180 | * Ethtool operations | |
181 | * | |
182 | ************************************************************************** | |
183 | */ | |
184 | ||
185 | /* Identify device by flashing LEDs */ | |
65f667fb | 186 | static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count) |
8ceee660 | 187 | { |
767e468c | 188 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
189 | |
190 | efx->board_info.blink(efx, 1); | |
65f667fb BH |
191 | set_current_state(TASK_INTERRUPTIBLE); |
192 | if (count) | |
193 | schedule_timeout(count * HZ); | |
194 | else | |
195 | schedule(); | |
8ceee660 BH |
196 | efx->board_info.blink(efx, 0); |
197 | return 0; | |
198 | } | |
199 | ||
200 | /* This must be called with rtnl_lock held. */ | |
201 | int efx_ethtool_get_settings(struct net_device *net_dev, | |
202 | struct ethtool_cmd *ecmd) | |
203 | { | |
767e468c | 204 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
205 | |
206 | mutex_lock(&efx->mac_lock); | |
177dfcd8 | 207 | efx->phy_op->get_settings(efx, ecmd); |
8ceee660 BH |
208 | mutex_unlock(&efx->mac_lock); |
209 | ||
177dfcd8 BH |
210 | /* Falcon GMAC does not support 1000Mbps HD */ |
211 | ecmd->supported &= ~SUPPORTED_1000baseT_Half; | |
212 | ||
213 | return 0; | |
8ceee660 BH |
214 | } |
215 | ||
216 | /* This must be called with rtnl_lock held. */ | |
217 | int efx_ethtool_set_settings(struct net_device *net_dev, | |
218 | struct ethtool_cmd *ecmd) | |
219 | { | |
767e468c | 220 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
221 | int rc; |
222 | ||
177dfcd8 BH |
223 | /* Falcon GMAC does not support 1000Mbps HD */ |
224 | if (ecmd->speed == SPEED_1000 && ecmd->duplex != DUPLEX_FULL) { | |
225 | EFX_LOG(efx, "rejecting unsupported 1000Mbps HD" | |
226 | " setting\n"); | |
227 | return -EINVAL; | |
228 | } | |
229 | ||
8ceee660 | 230 | mutex_lock(&efx->mac_lock); |
177dfcd8 | 231 | rc = efx->phy_op->set_settings(efx, ecmd); |
8ceee660 BH |
232 | mutex_unlock(&efx->mac_lock); |
233 | if (!rc) | |
234 | efx_reconfigure_port(efx); | |
235 | ||
236 | return rc; | |
237 | } | |
238 | ||
239 | static void efx_ethtool_get_drvinfo(struct net_device *net_dev, | |
240 | struct ethtool_drvinfo *info) | |
241 | { | |
767e468c | 242 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
243 | |
244 | strlcpy(info->driver, EFX_DRIVER_NAME, sizeof(info->driver)); | |
245 | strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version)); | |
246 | strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info)); | |
247 | } | |
248 | ||
3273c2e8 BH |
249 | /** |
250 | * efx_fill_test - fill in an individual self-test entry | |
251 | * @test_index: Index of the test | |
252 | * @strings: Ethtool strings, or %NULL | |
253 | * @data: Ethtool test results, or %NULL | |
254 | * @test: Pointer to test result (used only if data != %NULL) | |
740ced99 BH |
255 | * @unit_format: Unit name format (e.g. "chan\%d") |
256 | * @unit_id: Unit id (e.g. 0 for "chan0") | |
3273c2e8 | 257 | * @test_format: Test name format (e.g. "loopback.\%s.tx.sent") |
740ced99 | 258 | * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent") |
3273c2e8 BH |
259 | * |
260 | * Fill in an individual self-test entry. | |
261 | */ | |
262 | static void efx_fill_test(unsigned int test_index, | |
263 | struct ethtool_string *strings, u64 *data, | |
264 | int *test, const char *unit_format, int unit_id, | |
265 | const char *test_format, const char *test_id) | |
266 | { | |
267 | struct ethtool_string unit_str, test_str; | |
268 | ||
269 | /* Fill data value, if applicable */ | |
270 | if (data) | |
271 | data[test_index] = *test; | |
272 | ||
273 | /* Fill string, if applicable */ | |
274 | if (strings) { | |
11e66966 BH |
275 | if (strchr(unit_format, '%')) |
276 | snprintf(unit_str.name, sizeof(unit_str.name), | |
277 | unit_format, unit_id); | |
278 | else | |
279 | strcpy(unit_str.name, unit_format); | |
3273c2e8 BH |
280 | snprintf(test_str.name, sizeof(test_str.name), |
281 | test_format, test_id); | |
282 | snprintf(strings[test_index].name, | |
283 | sizeof(strings[test_index].name), | |
740ced99 | 284 | "%-6s %-24s", unit_str.name, test_str.name); |
3273c2e8 BH |
285 | } |
286 | } | |
287 | ||
740ced99 | 288 | #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel |
3273c2e8 BH |
289 | #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue |
290 | #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue | |
291 | #define EFX_LOOPBACK_NAME(_mode, _counter) \ | |
292 | "loopback.%s." _counter, LOOPBACK_MODE_NAME(mode) | |
293 | ||
294 | /** | |
295 | * efx_fill_loopback_test - fill in a block of loopback self-test entries | |
296 | * @efx: Efx NIC | |
297 | * @lb_tests: Efx loopback self-test results structure | |
298 | * @mode: Loopback test mode | |
299 | * @test_index: Starting index of the test | |
300 | * @strings: Ethtool strings, or %NULL | |
301 | * @data: Ethtool test results, or %NULL | |
302 | */ | |
303 | static int efx_fill_loopback_test(struct efx_nic *efx, | |
304 | struct efx_loopback_self_tests *lb_tests, | |
305 | enum efx_loopback_mode mode, | |
306 | unsigned int test_index, | |
307 | struct ethtool_string *strings, u64 *data) | |
308 | { | |
309 | struct efx_tx_queue *tx_queue; | |
310 | ||
311 | efx_for_each_tx_queue(tx_queue, efx) { | |
312 | efx_fill_test(test_index++, strings, data, | |
313 | &lb_tests->tx_sent[tx_queue->queue], | |
314 | EFX_TX_QUEUE_NAME(tx_queue), | |
315 | EFX_LOOPBACK_NAME(mode, "tx_sent")); | |
316 | efx_fill_test(test_index++, strings, data, | |
317 | &lb_tests->tx_done[tx_queue->queue], | |
318 | EFX_TX_QUEUE_NAME(tx_queue), | |
319 | EFX_LOOPBACK_NAME(mode, "tx_done")); | |
320 | } | |
321 | efx_fill_test(test_index++, strings, data, | |
322 | &lb_tests->rx_good, | |
11e66966 | 323 | "rx", 0, |
3273c2e8 BH |
324 | EFX_LOOPBACK_NAME(mode, "rx_good")); |
325 | efx_fill_test(test_index++, strings, data, | |
326 | &lb_tests->rx_bad, | |
11e66966 | 327 | "rx", 0, |
3273c2e8 BH |
328 | EFX_LOOPBACK_NAME(mode, "rx_bad")); |
329 | ||
330 | return test_index; | |
331 | } | |
332 | ||
333 | /** | |
334 | * efx_ethtool_fill_self_tests - get self-test details | |
335 | * @efx: Efx NIC | |
336 | * @tests: Efx self-test results structure, or %NULL | |
337 | * @strings: Ethtool strings, or %NULL | |
338 | * @data: Ethtool test results, or %NULL | |
339 | */ | |
340 | static int efx_ethtool_fill_self_tests(struct efx_nic *efx, | |
341 | struct efx_self_tests *tests, | |
342 | struct ethtool_string *strings, | |
343 | u64 *data) | |
344 | { | |
345 | struct efx_channel *channel; | |
1796721a | 346 | unsigned int n = 0, i; |
3273c2e8 BH |
347 | enum efx_loopback_mode mode; |
348 | ||
68e7f45e BH |
349 | efx_fill_test(n++, strings, data, &tests->mdio, |
350 | "core", 0, "mdio", NULL); | |
8c8661e4 BH |
351 | efx_fill_test(n++, strings, data, &tests->nvram, |
352 | "core", 0, "nvram", NULL); | |
3273c2e8 BH |
353 | efx_fill_test(n++, strings, data, &tests->interrupt, |
354 | "core", 0, "interrupt", NULL); | |
355 | ||
356 | /* Event queues */ | |
357 | efx_for_each_channel(channel, efx) { | |
358 | efx_fill_test(n++, strings, data, | |
359 | &tests->eventq_dma[channel->channel], | |
360 | EFX_CHANNEL_NAME(channel), | |
361 | "eventq.dma", NULL); | |
362 | efx_fill_test(n++, strings, data, | |
363 | &tests->eventq_int[channel->channel], | |
364 | EFX_CHANNEL_NAME(channel), | |
365 | "eventq.int", NULL); | |
366 | efx_fill_test(n++, strings, data, | |
367 | &tests->eventq_poll[channel->channel], | |
368 | EFX_CHANNEL_NAME(channel), | |
369 | "eventq.poll", NULL); | |
370 | } | |
371 | ||
8c8661e4 BH |
372 | efx_fill_test(n++, strings, data, &tests->registers, |
373 | "core", 0, "registers", NULL); | |
1796721a BH |
374 | |
375 | for (i = 0; i < efx->phy_op->num_tests; i++) | |
376 | efx_fill_test(n++, strings, data, &tests->phy[i], | |
377 | "phy", 0, efx->phy_op->test_names[i], NULL); | |
3273c2e8 BH |
378 | |
379 | /* Loopback tests */ | |
8c8661e4 | 380 | for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) { |
3273c2e8 BH |
381 | if (!(efx->loopback_modes & (1 << mode))) |
382 | continue; | |
383 | n = efx_fill_loopback_test(efx, | |
384 | &tests->loopback[mode], mode, n, | |
385 | strings, data); | |
386 | } | |
387 | ||
388 | return n; | |
389 | } | |
390 | ||
3594e131 BH |
391 | static int efx_ethtool_get_sset_count(struct net_device *net_dev, |
392 | int string_set) | |
8ceee660 | 393 | { |
3594e131 BH |
394 | switch (string_set) { |
395 | case ETH_SS_STATS: | |
396 | return EFX_ETHTOOL_NUM_STATS; | |
397 | case ETH_SS_TEST: | |
398 | return efx_ethtool_fill_self_tests(netdev_priv(net_dev), | |
399 | NULL, NULL, NULL); | |
400 | default: | |
401 | return -EINVAL; | |
402 | } | |
3273c2e8 BH |
403 | } |
404 | ||
8ceee660 BH |
405 | static void efx_ethtool_get_strings(struct net_device *net_dev, |
406 | u32 string_set, u8 *strings) | |
407 | { | |
767e468c | 408 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
409 | struct ethtool_string *ethtool_strings = |
410 | (struct ethtool_string *)strings; | |
411 | int i; | |
412 | ||
3273c2e8 BH |
413 | switch (string_set) { |
414 | case ETH_SS_STATS: | |
8ceee660 BH |
415 | for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) |
416 | strncpy(ethtool_strings[i].name, | |
417 | efx_ethtool_stats[i].name, | |
418 | sizeof(ethtool_strings[i].name)); | |
3273c2e8 BH |
419 | break; |
420 | case ETH_SS_TEST: | |
421 | efx_ethtool_fill_self_tests(efx, NULL, | |
422 | ethtool_strings, NULL); | |
423 | break; | |
424 | default: | |
425 | /* No other string sets */ | |
426 | break; | |
427 | } | |
8ceee660 BH |
428 | } |
429 | ||
430 | static void efx_ethtool_get_stats(struct net_device *net_dev, | |
431 | struct ethtool_stats *stats, | |
432 | u64 *data) | |
433 | { | |
767e468c | 434 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
435 | struct efx_mac_stats *mac_stats = &efx->mac_stats; |
436 | struct efx_ethtool_stat *stat; | |
437 | struct efx_channel *channel; | |
438 | int i; | |
439 | ||
440 | EFX_BUG_ON_PARANOID(stats->n_stats != EFX_ETHTOOL_NUM_STATS); | |
441 | ||
442 | /* Update MAC and NIC statistics */ | |
eeda3fd6 | 443 | dev_get_stats(net_dev); |
8ceee660 BH |
444 | |
445 | /* Fill detailed statistics buffer */ | |
446 | for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) { | |
447 | stat = &efx_ethtool_stats[i]; | |
448 | switch (stat->source) { | |
449 | case EFX_ETHTOOL_STAT_SOURCE_mac_stats: | |
450 | data[i] = stat->get_stat((void *)mac_stats + | |
451 | stat->offset); | |
452 | break; | |
453 | case EFX_ETHTOOL_STAT_SOURCE_nic: | |
454 | data[i] = stat->get_stat((void *)efx + stat->offset); | |
455 | break; | |
456 | case EFX_ETHTOOL_STAT_SOURCE_channel: | |
457 | data[i] = 0; | |
458 | efx_for_each_channel(channel, efx) | |
459 | data[i] += stat->get_stat((void *)channel + | |
460 | stat->offset); | |
461 | break; | |
462 | } | |
463 | } | |
464 | } | |
465 | ||
8ceee660 BH |
466 | static int efx_ethtool_set_rx_csum(struct net_device *net_dev, u32 enable) |
467 | { | |
767e468c | 468 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
469 | |
470 | /* No way to stop the hardware doing the checks; we just | |
471 | * ignore the result. | |
472 | */ | |
dc8cfa55 | 473 | efx->rx_checksum_enabled = !!enable; |
8ceee660 BH |
474 | |
475 | return 0; | |
476 | } | |
477 | ||
478 | static u32 efx_ethtool_get_rx_csum(struct net_device *net_dev) | |
479 | { | |
767e468c | 480 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
481 | |
482 | return efx->rx_checksum_enabled; | |
483 | } | |
484 | ||
3273c2e8 BH |
485 | static void efx_ethtool_self_test(struct net_device *net_dev, |
486 | struct ethtool_test *test, u64 *data) | |
487 | { | |
767e468c | 488 | struct efx_nic *efx = netdev_priv(net_dev); |
3273c2e8 | 489 | struct efx_self_tests efx_tests; |
2ef3068e | 490 | int already_up; |
3273c2e8 BH |
491 | int rc; |
492 | ||
493 | ASSERT_RTNL(); | |
494 | if (efx->state != STATE_RUNNING) { | |
495 | rc = -EIO; | |
496 | goto fail1; | |
497 | } | |
498 | ||
499 | /* We need rx buffers and interrupts. */ | |
500 | already_up = (efx->net_dev->flags & IFF_UP); | |
501 | if (!already_up) { | |
502 | rc = dev_open(efx->net_dev); | |
503 | if (rc) { | |
504 | EFX_ERR(efx, "failed opening device.\n"); | |
505 | goto fail2; | |
506 | } | |
507 | } | |
508 | ||
509 | memset(&efx_tests, 0, sizeof(efx_tests)); | |
3273c2e8 | 510 | |
2ef3068e | 511 | rc = efx_selftest(efx, &efx_tests, test->flags); |
3273c2e8 | 512 | |
3273c2e8 BH |
513 | if (!already_up) |
514 | dev_close(efx->net_dev); | |
515 | ||
2ef3068e BH |
516 | EFX_LOG(efx, "%s %sline self-tests\n", |
517 | rc == 0 ? "passed" : "failed", | |
518 | (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); | |
3273c2e8 BH |
519 | |
520 | fail2: | |
521 | fail1: | |
522 | /* Fill ethtool results structures */ | |
523 | efx_ethtool_fill_self_tests(efx, &efx_tests, NULL, data); | |
524 | if (rc) | |
525 | test->flags |= ETH_TEST_FL_FAILED; | |
526 | } | |
527 | ||
8ceee660 BH |
528 | /* Restart autonegotiation */ |
529 | static int efx_ethtool_nway_reset(struct net_device *net_dev) | |
530 | { | |
767e468c | 531 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 532 | |
68e7f45e | 533 | return mdio45_nway_restart(&efx->mdio); |
8ceee660 BH |
534 | } |
535 | ||
536 | static u32 efx_ethtool_get_link(struct net_device *net_dev) | |
537 | { | |
767e468c | 538 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
539 | |
540 | return efx->link_up; | |
541 | } | |
542 | ||
4a5b504d BH |
543 | static int efx_ethtool_get_eeprom_len(struct net_device *net_dev) |
544 | { | |
545 | struct efx_nic *efx = netdev_priv(net_dev); | |
546 | struct efx_spi_device *spi = efx->spi_eeprom; | |
547 | ||
548 | if (!spi) | |
549 | return 0; | |
0a95f563 BH |
550 | return min(spi->size, EFX_EEPROM_BOOTCONFIG_END) - |
551 | min(spi->size, EFX_EEPROM_BOOTCONFIG_START); | |
4a5b504d BH |
552 | } |
553 | ||
554 | static int efx_ethtool_get_eeprom(struct net_device *net_dev, | |
555 | struct ethtool_eeprom *eeprom, u8 *buf) | |
556 | { | |
557 | struct efx_nic *efx = netdev_priv(net_dev); | |
558 | struct efx_spi_device *spi = efx->spi_eeprom; | |
559 | size_t len; | |
560 | int rc; | |
561 | ||
ca54a9f5 BH |
562 | rc = mutex_lock_interruptible(&efx->spi_lock); |
563 | if (rc) | |
564 | return rc; | |
0a95f563 | 565 | rc = falcon_spi_read(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START, |
4a5b504d | 566 | eeprom->len, &len, buf); |
f4150724 | 567 | mutex_unlock(&efx->spi_lock); |
ca54a9f5 | 568 | |
4a5b504d BH |
569 | eeprom->magic = EFX_ETHTOOL_EEPROM_MAGIC; |
570 | eeprom->len = len; | |
571 | return rc; | |
572 | } | |
573 | ||
574 | static int efx_ethtool_set_eeprom(struct net_device *net_dev, | |
575 | struct ethtool_eeprom *eeprom, u8 *buf) | |
576 | { | |
577 | struct efx_nic *efx = netdev_priv(net_dev); | |
578 | struct efx_spi_device *spi = efx->spi_eeprom; | |
579 | size_t len; | |
580 | int rc; | |
581 | ||
582 | if (eeprom->magic != EFX_ETHTOOL_EEPROM_MAGIC) | |
583 | return -EINVAL; | |
584 | ||
ca54a9f5 BH |
585 | rc = mutex_lock_interruptible(&efx->spi_lock); |
586 | if (rc) | |
587 | return rc; | |
0a95f563 | 588 | rc = falcon_spi_write(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START, |
4a5b504d | 589 | eeprom->len, &len, buf); |
f4150724 | 590 | mutex_unlock(&efx->spi_lock); |
ca54a9f5 | 591 | |
4a5b504d BH |
592 | eeprom->len = len; |
593 | return rc; | |
594 | } | |
595 | ||
8ceee660 BH |
596 | static int efx_ethtool_get_coalesce(struct net_device *net_dev, |
597 | struct ethtool_coalesce *coalesce) | |
598 | { | |
767e468c | 599 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 600 | struct efx_tx_queue *tx_queue; |
8ceee660 BH |
601 | struct efx_channel *channel; |
602 | ||
603 | memset(coalesce, 0, sizeof(*coalesce)); | |
604 | ||
605 | /* Find lowest IRQ moderation across all used TX queues */ | |
606 | coalesce->tx_coalesce_usecs_irq = ~((u32) 0); | |
607 | efx_for_each_tx_queue(tx_queue, efx) { | |
608 | channel = tx_queue->channel; | |
609 | if (channel->irq_moderation < coalesce->tx_coalesce_usecs_irq) { | |
610 | if (channel->used_flags != EFX_USED_BY_RX_TX) | |
611 | coalesce->tx_coalesce_usecs_irq = | |
612 | channel->irq_moderation; | |
613 | else | |
614 | coalesce->tx_coalesce_usecs_irq = 0; | |
615 | } | |
616 | } | |
617 | ||
6fb70fd1 BH |
618 | coalesce->use_adaptive_rx_coalesce = efx->irq_rx_adaptive; |
619 | coalesce->rx_coalesce_usecs_irq = efx->irq_rx_moderation; | |
8ceee660 BH |
620 | |
621 | return 0; | |
622 | } | |
623 | ||
624 | /* Set coalescing parameters | |
625 | * The difficulties occur for shared channels | |
626 | */ | |
627 | static int efx_ethtool_set_coalesce(struct net_device *net_dev, | |
628 | struct ethtool_coalesce *coalesce) | |
629 | { | |
767e468c | 630 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
631 | struct efx_channel *channel; |
632 | struct efx_tx_queue *tx_queue; | |
6fb70fd1 | 633 | unsigned tx_usecs, rx_usecs, adaptive; |
8ceee660 | 634 | |
6fb70fd1 | 635 | if (coalesce->use_adaptive_tx_coalesce) |
8ceee660 BH |
636 | return -EOPNOTSUPP; |
637 | ||
638 | if (coalesce->rx_coalesce_usecs || coalesce->tx_coalesce_usecs) { | |
639 | EFX_ERR(efx, "invalid coalescing setting. " | |
640 | "Only rx/tx_coalesce_usecs_irq are supported\n"); | |
641 | return -EOPNOTSUPP; | |
642 | } | |
643 | ||
644 | rx_usecs = coalesce->rx_coalesce_usecs_irq; | |
645 | tx_usecs = coalesce->tx_coalesce_usecs_irq; | |
6fb70fd1 | 646 | adaptive = coalesce->use_adaptive_rx_coalesce; |
8ceee660 BH |
647 | |
648 | /* If the channel is shared only allow RX parameters to be set */ | |
649 | efx_for_each_tx_queue(tx_queue, efx) { | |
650 | if ((tx_queue->channel->used_flags == EFX_USED_BY_RX_TX) && | |
651 | tx_usecs) { | |
652 | EFX_ERR(efx, "Channel is shared. " | |
653 | "Only RX coalescing may be set\n"); | |
654 | return -EOPNOTSUPP; | |
655 | } | |
656 | } | |
657 | ||
6fb70fd1 | 658 | efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive); |
8ceee660 BH |
659 | |
660 | /* Reset channel to pick up new moderation value. Note that | |
661 | * this may change the value of the irq_moderation field | |
662 | * (e.g. to allow for hardware timer granularity). | |
663 | */ | |
664 | efx_for_each_channel(channel, efx) | |
665 | falcon_set_int_moderation(channel); | |
666 | ||
667 | return 0; | |
668 | } | |
669 | ||
670 | static int efx_ethtool_set_pauseparam(struct net_device *net_dev, | |
671 | struct ethtool_pauseparam *pause) | |
672 | { | |
767e468c | 673 | struct efx_nic *efx = netdev_priv(net_dev); |
04cc8cac BH |
674 | enum efx_fc_type wanted_fc; |
675 | bool reset; | |
8ceee660 | 676 | |
04cc8cac BH |
677 | wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) | |
678 | (pause->tx_pause ? EFX_FC_TX : 0) | | |
679 | (pause->autoneg ? EFX_FC_AUTO : 0)); | |
680 | ||
681 | if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) { | |
682 | EFX_LOG(efx, "Flow control unsupported: tx ON rx OFF\n"); | |
683 | return -EINVAL; | |
684 | } | |
685 | ||
68e7f45e | 686 | if (!(efx->phy_op->mmds & MDIO_DEVS_AN) && |
04cc8cac BH |
687 | (wanted_fc & EFX_FC_AUTO)) { |
688 | EFX_LOG(efx, "PHY does not support flow control " | |
689 | "autonegotiation\n"); | |
690 | return -EINVAL; | |
691 | } | |
692 | ||
693 | /* TX flow control may automatically turn itself off if the | |
694 | * link partner (intermittently) stops responding to pause | |
695 | * frames. There isn't any indication that this has happened, | |
696 | * so the best we do is leave it up to the user to spot this | |
697 | * and fix it be cycling transmit flow control on this end. */ | |
698 | reset = (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX); | |
699 | if (EFX_WORKAROUND_11482(efx) && reset) { | |
700 | if (falcon_rev(efx) >= FALCON_REV_B0) { | |
701 | /* Recover by resetting the EM block */ | |
702 | if (efx->link_up) | |
703 | falcon_drain_tx_fifo(efx); | |
704 | } else { | |
705 | /* Schedule a reset to recover */ | |
706 | efx_schedule_reset(efx, RESET_TYPE_INVISIBLE); | |
707 | } | |
708 | } | |
709 | ||
710 | /* Try to push the pause parameters */ | |
711 | mutex_lock(&efx->mac_lock); | |
712 | ||
713 | efx->wanted_fc = wanted_fc; | |
3f926da8 BH |
714 | if (efx->phy_op->mmds & MDIO_DEVS_AN) |
715 | mdio45_ethtool_spauseparam_an(&efx->mdio, pause); | |
04cc8cac BH |
716 | __efx_reconfigure_port(efx); |
717 | ||
718 | mutex_unlock(&efx->mac_lock); | |
8ceee660 | 719 | |
177dfcd8 | 720 | return 0; |
8ceee660 BH |
721 | } |
722 | ||
723 | static void efx_ethtool_get_pauseparam(struct net_device *net_dev, | |
724 | struct ethtool_pauseparam *pause) | |
725 | { | |
767e468c | 726 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 727 | |
04cc8cac BH |
728 | pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX); |
729 | pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX); | |
730 | pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO); | |
8ceee660 BH |
731 | } |
732 | ||
733 | ||
734 | struct ethtool_ops efx_ethtool_ops = { | |
735 | .get_settings = efx_ethtool_get_settings, | |
736 | .set_settings = efx_ethtool_set_settings, | |
737 | .get_drvinfo = efx_ethtool_get_drvinfo, | |
738 | .nway_reset = efx_ethtool_nway_reset, | |
739 | .get_link = efx_ethtool_get_link, | |
4a5b504d BH |
740 | .get_eeprom_len = efx_ethtool_get_eeprom_len, |
741 | .get_eeprom = efx_ethtool_get_eeprom, | |
742 | .set_eeprom = efx_ethtool_set_eeprom, | |
8ceee660 BH |
743 | .get_coalesce = efx_ethtool_get_coalesce, |
744 | .set_coalesce = efx_ethtool_set_coalesce, | |
745 | .get_pauseparam = efx_ethtool_get_pauseparam, | |
746 | .set_pauseparam = efx_ethtool_set_pauseparam, | |
747 | .get_rx_csum = efx_ethtool_get_rx_csum, | |
748 | .set_rx_csum = efx_ethtool_set_rx_csum, | |
749 | .get_tx_csum = ethtool_op_get_tx_csum, | |
60ac1065 | 750 | .set_tx_csum = ethtool_op_set_tx_csum, |
8ceee660 BH |
751 | .get_sg = ethtool_op_get_sg, |
752 | .set_sg = ethtool_op_set_sg, | |
b9b39b62 | 753 | .get_tso = ethtool_op_get_tso, |
60ac1065 | 754 | .set_tso = ethtool_op_set_tso, |
8ceee660 BH |
755 | .get_flags = ethtool_op_get_flags, |
756 | .set_flags = ethtool_op_set_flags, | |
3594e131 | 757 | .get_sset_count = efx_ethtool_get_sset_count, |
3273c2e8 | 758 | .self_test = efx_ethtool_self_test, |
8ceee660 BH |
759 | .get_strings = efx_ethtool_get_strings, |
760 | .phys_id = efx_ethtool_phys_id, | |
8ceee660 BH |
761 | .get_ethtool_stats = efx_ethtool_get_stats, |
762 | }; |