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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 | 18 | #include "efx.h" |
8ceee660 | 19 | #include "falcon.h" |
4a5b504d | 20 | #include "spi.h" |
04cc8cac | 21 | #include "mdio_10g.h" |
8ceee660 | 22 | |
8ceee660 BH |
23 | struct ethtool_string { |
24 | char name[ETH_GSTRING_LEN]; | |
25 | }; | |
26 | ||
27 | struct efx_ethtool_stat { | |
28 | const char *name; | |
29 | enum { | |
30 | EFX_ETHTOOL_STAT_SOURCE_mac_stats, | |
31 | EFX_ETHTOOL_STAT_SOURCE_nic, | |
32 | EFX_ETHTOOL_STAT_SOURCE_channel | |
33 | } source; | |
34 | unsigned offset; | |
35 | u64(*get_stat) (void *field); /* Reader function */ | |
36 | }; | |
37 | ||
38 | /* Initialiser for a struct #efx_ethtool_stat with type-checking */ | |
39 | #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \ | |
40 | get_stat_function) { \ | |
41 | .name = #stat_name, \ | |
42 | .source = EFX_ETHTOOL_STAT_SOURCE_##source_name, \ | |
43 | .offset = ((((field_type *) 0) == \ | |
44 | &((struct efx_##source_name *)0)->field) ? \ | |
45 | offsetof(struct efx_##source_name, field) : \ | |
46 | offsetof(struct efx_##source_name, field)), \ | |
47 | .get_stat = get_stat_function, \ | |
48 | } | |
49 | ||
50 | static u64 efx_get_uint_stat(void *field) | |
51 | { | |
52 | return *(unsigned int *)field; | |
53 | } | |
54 | ||
55 | static u64 efx_get_ulong_stat(void *field) | |
56 | { | |
57 | return *(unsigned long *)field; | |
58 | } | |
59 | ||
60 | static u64 efx_get_u64_stat(void *field) | |
61 | { | |
62 | return *(u64 *) field; | |
63 | } | |
64 | ||
65 | static u64 efx_get_atomic_stat(void *field) | |
66 | { | |
67 | return atomic_read((atomic_t *) field); | |
68 | } | |
69 | ||
70 | #define EFX_ETHTOOL_ULONG_MAC_STAT(field) \ | |
71 | EFX_ETHTOOL_STAT(field, mac_stats, field, \ | |
72 | unsigned long, efx_get_ulong_stat) | |
73 | ||
74 | #define EFX_ETHTOOL_U64_MAC_STAT(field) \ | |
75 | EFX_ETHTOOL_STAT(field, mac_stats, field, \ | |
76 | u64, efx_get_u64_stat) | |
77 | ||
78 | #define EFX_ETHTOOL_UINT_NIC_STAT(name) \ | |
79 | EFX_ETHTOOL_STAT(name, nic, n_##name, \ | |
80 | unsigned int, efx_get_uint_stat) | |
81 | ||
82 | #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \ | |
83 | EFX_ETHTOOL_STAT(field, nic, field, \ | |
84 | atomic_t, efx_get_atomic_stat) | |
85 | ||
86 | #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \ | |
87 | EFX_ETHTOOL_STAT(field, channel, n_##field, \ | |
88 | unsigned int, efx_get_uint_stat) | |
89 | ||
90 | static struct efx_ethtool_stat efx_ethtool_stats[] = { | |
91 | EFX_ETHTOOL_U64_MAC_STAT(tx_bytes), | |
92 | EFX_ETHTOOL_U64_MAC_STAT(tx_good_bytes), | |
93 | EFX_ETHTOOL_U64_MAC_STAT(tx_bad_bytes), | |
94 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_packets), | |
95 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_bad), | |
96 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_pause), | |
97 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_control), | |
98 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_unicast), | |
99 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_multicast), | |
100 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_broadcast), | |
101 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_lt64), | |
102 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_64), | |
103 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_65_to_127), | |
104 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_128_to_255), | |
105 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_256_to_511), | |
106 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_512_to_1023), | |
107 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_1024_to_15xx), | |
108 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_15xx_to_jumbo), | |
109 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_gtjumbo), | |
110 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_collision), | |
111 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_single_collision), | |
112 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_multiple_collision), | |
113 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_excessive_collision), | |
114 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_deferred), | |
115 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_late_collision), | |
116 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_excessive_deferred), | |
117 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_non_tcpudp), | |
118 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_mac_src_error), | |
119 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_ip_src_error), | |
120 | EFX_ETHTOOL_U64_MAC_STAT(rx_bytes), | |
121 | EFX_ETHTOOL_U64_MAC_STAT(rx_good_bytes), | |
122 | EFX_ETHTOOL_U64_MAC_STAT(rx_bad_bytes), | |
123 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_packets), | |
124 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_good), | |
125 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad), | |
126 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_pause), | |
127 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_control), | |
128 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_unicast), | |
129 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_multicast), | |
130 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_broadcast), | |
131 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_lt64), | |
132 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_64), | |
133 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_65_to_127), | |
134 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_128_to_255), | |
135 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_256_to_511), | |
136 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_512_to_1023), | |
137 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_1024_to_15xx), | |
138 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_15xx_to_jumbo), | |
139 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_gtjumbo), | |
140 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_lt64), | |
141 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_64_to_15xx), | |
142 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_15xx_to_jumbo), | |
143 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_gtjumbo), | |
144 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_overflow), | |
145 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_missed), | |
146 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_false_carrier), | |
147 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_symbol_error), | |
148 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_align_error), | |
149 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_length_error), | |
150 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_internal_error), | |
151 | EFX_ETHTOOL_UINT_NIC_STAT(rx_nodesc_drop_cnt), | |
152 | EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset), | |
153 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc), | |
154 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err), | |
155 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err), | |
156 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc), | |
157 | }; | |
158 | ||
159 | /* Number of ethtool statistics */ | |
160 | #define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats) | |
161 | ||
4a5b504d | 162 | #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB |
4a5b504d | 163 | |
8ceee660 BH |
164 | /************************************************************************** |
165 | * | |
166 | * Ethtool operations | |
167 | * | |
168 | ************************************************************************** | |
169 | */ | |
170 | ||
171 | /* Identify device by flashing LEDs */ | |
65f667fb | 172 | static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count) |
8ceee660 | 173 | { |
767e468c | 174 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 175 | |
398468ed | 176 | do { |
278c0621 | 177 | falcon_board(efx)->set_id_led(efx, EFX_LED_ON); |
398468ed BH |
178 | schedule_timeout_interruptible(HZ / 2); |
179 | ||
278c0621 | 180 | falcon_board(efx)->set_id_led(efx, EFX_LED_OFF); |
398468ed BH |
181 | schedule_timeout_interruptible(HZ / 2); |
182 | } while (!signal_pending(current) && --count != 0); | |
183 | ||
278c0621 | 184 | falcon_board(efx)->set_id_led(efx, EFX_LED_DEFAULT); |
8ceee660 BH |
185 | return 0; |
186 | } | |
187 | ||
188 | /* This must be called with rtnl_lock held. */ | |
189 | int efx_ethtool_get_settings(struct net_device *net_dev, | |
190 | struct ethtool_cmd *ecmd) | |
191 | { | |
767e468c | 192 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
193 | |
194 | mutex_lock(&efx->mac_lock); | |
177dfcd8 | 195 | efx->phy_op->get_settings(efx, ecmd); |
8ceee660 BH |
196 | mutex_unlock(&efx->mac_lock); |
197 | ||
177dfcd8 BH |
198 | /* Falcon GMAC does not support 1000Mbps HD */ |
199 | ecmd->supported &= ~SUPPORTED_1000baseT_Half; | |
200 | ||
201 | return 0; | |
8ceee660 BH |
202 | } |
203 | ||
204 | /* This must be called with rtnl_lock held. */ | |
205 | int efx_ethtool_set_settings(struct net_device *net_dev, | |
206 | struct ethtool_cmd *ecmd) | |
207 | { | |
767e468c | 208 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
209 | int rc; |
210 | ||
177dfcd8 BH |
211 | /* Falcon GMAC does not support 1000Mbps HD */ |
212 | if (ecmd->speed == SPEED_1000 && ecmd->duplex != DUPLEX_FULL) { | |
213 | EFX_LOG(efx, "rejecting unsupported 1000Mbps HD" | |
214 | " setting\n"); | |
215 | return -EINVAL; | |
216 | } | |
217 | ||
8ceee660 | 218 | mutex_lock(&efx->mac_lock); |
177dfcd8 | 219 | rc = efx->phy_op->set_settings(efx, ecmd); |
8ceee660 BH |
220 | mutex_unlock(&efx->mac_lock); |
221 | if (!rc) | |
222 | efx_reconfigure_port(efx); | |
223 | ||
224 | return rc; | |
225 | } | |
226 | ||
227 | static void efx_ethtool_get_drvinfo(struct net_device *net_dev, | |
228 | struct ethtool_drvinfo *info) | |
229 | { | |
767e468c | 230 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
231 | |
232 | strlcpy(info->driver, EFX_DRIVER_NAME, sizeof(info->driver)); | |
233 | strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version)); | |
234 | strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info)); | |
235 | } | |
236 | ||
3273c2e8 BH |
237 | /** |
238 | * efx_fill_test - fill in an individual self-test entry | |
239 | * @test_index: Index of the test | |
240 | * @strings: Ethtool strings, or %NULL | |
241 | * @data: Ethtool test results, or %NULL | |
242 | * @test: Pointer to test result (used only if data != %NULL) | |
740ced99 BH |
243 | * @unit_format: Unit name format (e.g. "chan\%d") |
244 | * @unit_id: Unit id (e.g. 0 for "chan0") | |
3273c2e8 | 245 | * @test_format: Test name format (e.g. "loopback.\%s.tx.sent") |
740ced99 | 246 | * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent") |
3273c2e8 BH |
247 | * |
248 | * Fill in an individual self-test entry. | |
249 | */ | |
250 | static void efx_fill_test(unsigned int test_index, | |
251 | struct ethtool_string *strings, u64 *data, | |
252 | int *test, const char *unit_format, int unit_id, | |
253 | const char *test_format, const char *test_id) | |
254 | { | |
255 | struct ethtool_string unit_str, test_str; | |
256 | ||
257 | /* Fill data value, if applicable */ | |
258 | if (data) | |
259 | data[test_index] = *test; | |
260 | ||
261 | /* Fill string, if applicable */ | |
262 | if (strings) { | |
11e66966 BH |
263 | if (strchr(unit_format, '%')) |
264 | snprintf(unit_str.name, sizeof(unit_str.name), | |
265 | unit_format, unit_id); | |
266 | else | |
267 | strcpy(unit_str.name, unit_format); | |
3273c2e8 BH |
268 | snprintf(test_str.name, sizeof(test_str.name), |
269 | test_format, test_id); | |
270 | snprintf(strings[test_index].name, | |
271 | sizeof(strings[test_index].name), | |
740ced99 | 272 | "%-6s %-24s", unit_str.name, test_str.name); |
3273c2e8 BH |
273 | } |
274 | } | |
275 | ||
740ced99 | 276 | #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel |
3273c2e8 BH |
277 | #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue |
278 | #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue | |
279 | #define EFX_LOOPBACK_NAME(_mode, _counter) \ | |
c459302d | 280 | "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode) |
3273c2e8 BH |
281 | |
282 | /** | |
283 | * efx_fill_loopback_test - fill in a block of loopback self-test entries | |
284 | * @efx: Efx NIC | |
285 | * @lb_tests: Efx loopback self-test results structure | |
286 | * @mode: Loopback test mode | |
287 | * @test_index: Starting index of the test | |
288 | * @strings: Ethtool strings, or %NULL | |
289 | * @data: Ethtool test results, or %NULL | |
290 | */ | |
291 | static int efx_fill_loopback_test(struct efx_nic *efx, | |
292 | struct efx_loopback_self_tests *lb_tests, | |
293 | enum efx_loopback_mode mode, | |
294 | unsigned int test_index, | |
295 | struct ethtool_string *strings, u64 *data) | |
296 | { | |
297 | struct efx_tx_queue *tx_queue; | |
298 | ||
299 | efx_for_each_tx_queue(tx_queue, efx) { | |
300 | efx_fill_test(test_index++, strings, data, | |
301 | &lb_tests->tx_sent[tx_queue->queue], | |
302 | EFX_TX_QUEUE_NAME(tx_queue), | |
303 | EFX_LOOPBACK_NAME(mode, "tx_sent")); | |
304 | efx_fill_test(test_index++, strings, data, | |
305 | &lb_tests->tx_done[tx_queue->queue], | |
306 | EFX_TX_QUEUE_NAME(tx_queue), | |
307 | EFX_LOOPBACK_NAME(mode, "tx_done")); | |
308 | } | |
309 | efx_fill_test(test_index++, strings, data, | |
310 | &lb_tests->rx_good, | |
11e66966 | 311 | "rx", 0, |
3273c2e8 BH |
312 | EFX_LOOPBACK_NAME(mode, "rx_good")); |
313 | efx_fill_test(test_index++, strings, data, | |
314 | &lb_tests->rx_bad, | |
11e66966 | 315 | "rx", 0, |
3273c2e8 BH |
316 | EFX_LOOPBACK_NAME(mode, "rx_bad")); |
317 | ||
318 | return test_index; | |
319 | } | |
320 | ||
321 | /** | |
322 | * efx_ethtool_fill_self_tests - get self-test details | |
323 | * @efx: Efx NIC | |
324 | * @tests: Efx self-test results structure, or %NULL | |
325 | * @strings: Ethtool strings, or %NULL | |
326 | * @data: Ethtool test results, or %NULL | |
327 | */ | |
328 | static int efx_ethtool_fill_self_tests(struct efx_nic *efx, | |
329 | struct efx_self_tests *tests, | |
330 | struct ethtool_string *strings, | |
331 | u64 *data) | |
332 | { | |
333 | struct efx_channel *channel; | |
1796721a | 334 | unsigned int n = 0, i; |
3273c2e8 BH |
335 | enum efx_loopback_mode mode; |
336 | ||
68e7f45e BH |
337 | efx_fill_test(n++, strings, data, &tests->mdio, |
338 | "core", 0, "mdio", NULL); | |
8c8661e4 BH |
339 | efx_fill_test(n++, strings, data, &tests->nvram, |
340 | "core", 0, "nvram", NULL); | |
3273c2e8 BH |
341 | efx_fill_test(n++, strings, data, &tests->interrupt, |
342 | "core", 0, "interrupt", NULL); | |
343 | ||
344 | /* Event queues */ | |
345 | efx_for_each_channel(channel, efx) { | |
346 | efx_fill_test(n++, strings, data, | |
347 | &tests->eventq_dma[channel->channel], | |
348 | EFX_CHANNEL_NAME(channel), | |
349 | "eventq.dma", NULL); | |
350 | efx_fill_test(n++, strings, data, | |
351 | &tests->eventq_int[channel->channel], | |
352 | EFX_CHANNEL_NAME(channel), | |
353 | "eventq.int", NULL); | |
354 | efx_fill_test(n++, strings, data, | |
355 | &tests->eventq_poll[channel->channel], | |
356 | EFX_CHANNEL_NAME(channel), | |
357 | "eventq.poll", NULL); | |
358 | } | |
359 | ||
8c8661e4 BH |
360 | efx_fill_test(n++, strings, data, &tests->registers, |
361 | "core", 0, "registers", NULL); | |
1796721a BH |
362 | |
363 | for (i = 0; i < efx->phy_op->num_tests; i++) | |
364 | efx_fill_test(n++, strings, data, &tests->phy[i], | |
365 | "phy", 0, efx->phy_op->test_names[i], NULL); | |
3273c2e8 BH |
366 | |
367 | /* Loopback tests */ | |
8c8661e4 | 368 | for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) { |
3273c2e8 BH |
369 | if (!(efx->loopback_modes & (1 << mode))) |
370 | continue; | |
371 | n = efx_fill_loopback_test(efx, | |
372 | &tests->loopback[mode], mode, n, | |
373 | strings, data); | |
374 | } | |
375 | ||
376 | return n; | |
377 | } | |
378 | ||
3594e131 BH |
379 | static int efx_ethtool_get_sset_count(struct net_device *net_dev, |
380 | int string_set) | |
8ceee660 | 381 | { |
3594e131 BH |
382 | switch (string_set) { |
383 | case ETH_SS_STATS: | |
384 | return EFX_ETHTOOL_NUM_STATS; | |
385 | case ETH_SS_TEST: | |
386 | return efx_ethtool_fill_self_tests(netdev_priv(net_dev), | |
387 | NULL, NULL, NULL); | |
388 | default: | |
389 | return -EINVAL; | |
390 | } | |
3273c2e8 BH |
391 | } |
392 | ||
8ceee660 BH |
393 | static void efx_ethtool_get_strings(struct net_device *net_dev, |
394 | u32 string_set, u8 *strings) | |
395 | { | |
767e468c | 396 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
397 | struct ethtool_string *ethtool_strings = |
398 | (struct ethtool_string *)strings; | |
399 | int i; | |
400 | ||
3273c2e8 BH |
401 | switch (string_set) { |
402 | case ETH_SS_STATS: | |
8ceee660 BH |
403 | for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) |
404 | strncpy(ethtool_strings[i].name, | |
405 | efx_ethtool_stats[i].name, | |
406 | sizeof(ethtool_strings[i].name)); | |
3273c2e8 BH |
407 | break; |
408 | case ETH_SS_TEST: | |
409 | efx_ethtool_fill_self_tests(efx, NULL, | |
410 | ethtool_strings, NULL); | |
411 | break; | |
412 | default: | |
413 | /* No other string sets */ | |
414 | break; | |
415 | } | |
8ceee660 BH |
416 | } |
417 | ||
418 | static void efx_ethtool_get_stats(struct net_device *net_dev, | |
419 | struct ethtool_stats *stats, | |
420 | u64 *data) | |
421 | { | |
767e468c | 422 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
423 | struct efx_mac_stats *mac_stats = &efx->mac_stats; |
424 | struct efx_ethtool_stat *stat; | |
425 | struct efx_channel *channel; | |
426 | int i; | |
427 | ||
428 | EFX_BUG_ON_PARANOID(stats->n_stats != EFX_ETHTOOL_NUM_STATS); | |
429 | ||
430 | /* Update MAC and NIC statistics */ | |
eeda3fd6 | 431 | dev_get_stats(net_dev); |
8ceee660 BH |
432 | |
433 | /* Fill detailed statistics buffer */ | |
434 | for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) { | |
435 | stat = &efx_ethtool_stats[i]; | |
436 | switch (stat->source) { | |
437 | case EFX_ETHTOOL_STAT_SOURCE_mac_stats: | |
438 | data[i] = stat->get_stat((void *)mac_stats + | |
439 | stat->offset); | |
440 | break; | |
441 | case EFX_ETHTOOL_STAT_SOURCE_nic: | |
442 | data[i] = stat->get_stat((void *)efx + stat->offset); | |
443 | break; | |
444 | case EFX_ETHTOOL_STAT_SOURCE_channel: | |
445 | data[i] = 0; | |
446 | efx_for_each_channel(channel, efx) | |
447 | data[i] += stat->get_stat((void *)channel + | |
448 | stat->offset); | |
449 | break; | |
450 | } | |
451 | } | |
452 | } | |
453 | ||
8ceee660 BH |
454 | static int efx_ethtool_set_rx_csum(struct net_device *net_dev, u32 enable) |
455 | { | |
767e468c | 456 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
457 | |
458 | /* No way to stop the hardware doing the checks; we just | |
459 | * ignore the result. | |
460 | */ | |
dc8cfa55 | 461 | efx->rx_checksum_enabled = !!enable; |
8ceee660 BH |
462 | |
463 | return 0; | |
464 | } | |
465 | ||
466 | static u32 efx_ethtool_get_rx_csum(struct net_device *net_dev) | |
467 | { | |
767e468c | 468 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
469 | |
470 | return efx->rx_checksum_enabled; | |
471 | } | |
472 | ||
3273c2e8 BH |
473 | static void efx_ethtool_self_test(struct net_device *net_dev, |
474 | struct ethtool_test *test, u64 *data) | |
475 | { | |
767e468c | 476 | struct efx_nic *efx = netdev_priv(net_dev); |
3273c2e8 | 477 | struct efx_self_tests efx_tests; |
2ef3068e | 478 | int already_up; |
3273c2e8 BH |
479 | int rc; |
480 | ||
481 | ASSERT_RTNL(); | |
482 | if (efx->state != STATE_RUNNING) { | |
483 | rc = -EIO; | |
484 | goto fail1; | |
485 | } | |
486 | ||
487 | /* We need rx buffers and interrupts. */ | |
488 | already_up = (efx->net_dev->flags & IFF_UP); | |
489 | if (!already_up) { | |
490 | rc = dev_open(efx->net_dev); | |
491 | if (rc) { | |
492 | EFX_ERR(efx, "failed opening device.\n"); | |
493 | goto fail2; | |
494 | } | |
495 | } | |
496 | ||
497 | memset(&efx_tests, 0, sizeof(efx_tests)); | |
3273c2e8 | 498 | |
2ef3068e | 499 | rc = efx_selftest(efx, &efx_tests, test->flags); |
3273c2e8 | 500 | |
3273c2e8 BH |
501 | if (!already_up) |
502 | dev_close(efx->net_dev); | |
503 | ||
2ef3068e BH |
504 | EFX_LOG(efx, "%s %sline self-tests\n", |
505 | rc == 0 ? "passed" : "failed", | |
506 | (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); | |
3273c2e8 BH |
507 | |
508 | fail2: | |
509 | fail1: | |
510 | /* Fill ethtool results structures */ | |
511 | efx_ethtool_fill_self_tests(efx, &efx_tests, NULL, data); | |
512 | if (rc) | |
513 | test->flags |= ETH_TEST_FL_FAILED; | |
514 | } | |
515 | ||
8ceee660 BH |
516 | /* Restart autonegotiation */ |
517 | static int efx_ethtool_nway_reset(struct net_device *net_dev) | |
518 | { | |
767e468c | 519 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 520 | |
68e7f45e | 521 | return mdio45_nway_restart(&efx->mdio); |
8ceee660 BH |
522 | } |
523 | ||
524 | static u32 efx_ethtool_get_link(struct net_device *net_dev) | |
525 | { | |
767e468c | 526 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 527 | |
eb50c0d6 | 528 | return efx->link_state.up; |
8ceee660 BH |
529 | } |
530 | ||
4a5b504d BH |
531 | static int efx_ethtool_get_eeprom_len(struct net_device *net_dev) |
532 | { | |
533 | struct efx_nic *efx = netdev_priv(net_dev); | |
534 | struct efx_spi_device *spi = efx->spi_eeprom; | |
535 | ||
536 | if (!spi) | |
537 | return 0; | |
0a95f563 BH |
538 | return min(spi->size, EFX_EEPROM_BOOTCONFIG_END) - |
539 | min(spi->size, EFX_EEPROM_BOOTCONFIG_START); | |
4a5b504d BH |
540 | } |
541 | ||
542 | static int efx_ethtool_get_eeprom(struct net_device *net_dev, | |
543 | struct ethtool_eeprom *eeprom, u8 *buf) | |
544 | { | |
545 | struct efx_nic *efx = netdev_priv(net_dev); | |
546 | struct efx_spi_device *spi = efx->spi_eeprom; | |
547 | size_t len; | |
548 | int rc; | |
549 | ||
ca54a9f5 BH |
550 | rc = mutex_lock_interruptible(&efx->spi_lock); |
551 | if (rc) | |
552 | return rc; | |
0a95f563 | 553 | rc = falcon_spi_read(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START, |
4a5b504d | 554 | eeprom->len, &len, buf); |
f4150724 | 555 | mutex_unlock(&efx->spi_lock); |
ca54a9f5 | 556 | |
4a5b504d BH |
557 | eeprom->magic = EFX_ETHTOOL_EEPROM_MAGIC; |
558 | eeprom->len = len; | |
559 | return rc; | |
560 | } | |
561 | ||
562 | static int efx_ethtool_set_eeprom(struct net_device *net_dev, | |
563 | struct ethtool_eeprom *eeprom, u8 *buf) | |
564 | { | |
565 | struct efx_nic *efx = netdev_priv(net_dev); | |
566 | struct efx_spi_device *spi = efx->spi_eeprom; | |
567 | size_t len; | |
568 | int rc; | |
569 | ||
570 | if (eeprom->magic != EFX_ETHTOOL_EEPROM_MAGIC) | |
571 | return -EINVAL; | |
572 | ||
ca54a9f5 BH |
573 | rc = mutex_lock_interruptible(&efx->spi_lock); |
574 | if (rc) | |
575 | return rc; | |
0a95f563 | 576 | rc = falcon_spi_write(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START, |
4a5b504d | 577 | eeprom->len, &len, buf); |
f4150724 | 578 | mutex_unlock(&efx->spi_lock); |
ca54a9f5 | 579 | |
4a5b504d BH |
580 | eeprom->len = len; |
581 | return rc; | |
582 | } | |
583 | ||
8ceee660 BH |
584 | static int efx_ethtool_get_coalesce(struct net_device *net_dev, |
585 | struct ethtool_coalesce *coalesce) | |
586 | { | |
767e468c | 587 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 588 | struct efx_tx_queue *tx_queue; |
8ceee660 BH |
589 | struct efx_channel *channel; |
590 | ||
591 | memset(coalesce, 0, sizeof(*coalesce)); | |
592 | ||
593 | /* Find lowest IRQ moderation across all used TX queues */ | |
594 | coalesce->tx_coalesce_usecs_irq = ~((u32) 0); | |
595 | efx_for_each_tx_queue(tx_queue, efx) { | |
596 | channel = tx_queue->channel; | |
597 | if (channel->irq_moderation < coalesce->tx_coalesce_usecs_irq) { | |
598 | if (channel->used_flags != EFX_USED_BY_RX_TX) | |
599 | coalesce->tx_coalesce_usecs_irq = | |
600 | channel->irq_moderation; | |
601 | else | |
602 | coalesce->tx_coalesce_usecs_irq = 0; | |
603 | } | |
604 | } | |
605 | ||
6fb70fd1 BH |
606 | coalesce->use_adaptive_rx_coalesce = efx->irq_rx_adaptive; |
607 | coalesce->rx_coalesce_usecs_irq = efx->irq_rx_moderation; | |
8ceee660 | 608 | |
0d86ebd8 BH |
609 | coalesce->tx_coalesce_usecs_irq *= FALCON_IRQ_MOD_RESOLUTION; |
610 | coalesce->rx_coalesce_usecs_irq *= FALCON_IRQ_MOD_RESOLUTION; | |
611 | ||
8ceee660 BH |
612 | return 0; |
613 | } | |
614 | ||
615 | /* Set coalescing parameters | |
616 | * The difficulties occur for shared channels | |
617 | */ | |
618 | static int efx_ethtool_set_coalesce(struct net_device *net_dev, | |
619 | struct ethtool_coalesce *coalesce) | |
620 | { | |
767e468c | 621 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
622 | struct efx_channel *channel; |
623 | struct efx_tx_queue *tx_queue; | |
6fb70fd1 | 624 | unsigned tx_usecs, rx_usecs, adaptive; |
8ceee660 | 625 | |
6fb70fd1 | 626 | if (coalesce->use_adaptive_tx_coalesce) |
8ceee660 BH |
627 | return -EOPNOTSUPP; |
628 | ||
629 | if (coalesce->rx_coalesce_usecs || coalesce->tx_coalesce_usecs) { | |
630 | EFX_ERR(efx, "invalid coalescing setting. " | |
631 | "Only rx/tx_coalesce_usecs_irq are supported\n"); | |
632 | return -EOPNOTSUPP; | |
633 | } | |
634 | ||
635 | rx_usecs = coalesce->rx_coalesce_usecs_irq; | |
636 | tx_usecs = coalesce->tx_coalesce_usecs_irq; | |
6fb70fd1 | 637 | adaptive = coalesce->use_adaptive_rx_coalesce; |
8ceee660 BH |
638 | |
639 | /* If the channel is shared only allow RX parameters to be set */ | |
640 | efx_for_each_tx_queue(tx_queue, efx) { | |
641 | if ((tx_queue->channel->used_flags == EFX_USED_BY_RX_TX) && | |
642 | tx_usecs) { | |
643 | EFX_ERR(efx, "Channel is shared. " | |
644 | "Only RX coalescing may be set\n"); | |
645 | return -EOPNOTSUPP; | |
646 | } | |
647 | } | |
648 | ||
6fb70fd1 | 649 | efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive); |
8ceee660 BH |
650 | efx_for_each_channel(channel, efx) |
651 | falcon_set_int_moderation(channel); | |
652 | ||
653 | return 0; | |
654 | } | |
655 | ||
656 | static int efx_ethtool_set_pauseparam(struct net_device *net_dev, | |
657 | struct ethtool_pauseparam *pause) | |
658 | { | |
767e468c | 659 | struct efx_nic *efx = netdev_priv(net_dev); |
04cc8cac BH |
660 | enum efx_fc_type wanted_fc; |
661 | bool reset; | |
8ceee660 | 662 | |
04cc8cac BH |
663 | wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) | |
664 | (pause->tx_pause ? EFX_FC_TX : 0) | | |
665 | (pause->autoneg ? EFX_FC_AUTO : 0)); | |
666 | ||
667 | if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) { | |
668 | EFX_LOG(efx, "Flow control unsupported: tx ON rx OFF\n"); | |
669 | return -EINVAL; | |
670 | } | |
671 | ||
68e7f45e | 672 | if (!(efx->phy_op->mmds & MDIO_DEVS_AN) && |
04cc8cac BH |
673 | (wanted_fc & EFX_FC_AUTO)) { |
674 | EFX_LOG(efx, "PHY does not support flow control " | |
675 | "autonegotiation\n"); | |
676 | return -EINVAL; | |
677 | } | |
678 | ||
679 | /* TX flow control may automatically turn itself off if the | |
680 | * link partner (intermittently) stops responding to pause | |
681 | * frames. There isn't any indication that this has happened, | |
682 | * so the best we do is leave it up to the user to spot this | |
683 | * and fix it be cycling transmit flow control on this end. */ | |
684 | reset = (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX); | |
685 | if (EFX_WORKAROUND_11482(efx) && reset) { | |
686 | if (falcon_rev(efx) >= FALCON_REV_B0) { | |
687 | /* Recover by resetting the EM block */ | |
eb50c0d6 | 688 | if (efx->link_state.up) |
04cc8cac BH |
689 | falcon_drain_tx_fifo(efx); |
690 | } else { | |
691 | /* Schedule a reset to recover */ | |
692 | efx_schedule_reset(efx, RESET_TYPE_INVISIBLE); | |
693 | } | |
694 | } | |
695 | ||
696 | /* Try to push the pause parameters */ | |
697 | mutex_lock(&efx->mac_lock); | |
698 | ||
699 | efx->wanted_fc = wanted_fc; | |
3f926da8 BH |
700 | if (efx->phy_op->mmds & MDIO_DEVS_AN) |
701 | mdio45_ethtool_spauseparam_an(&efx->mdio, pause); | |
04cc8cac BH |
702 | __efx_reconfigure_port(efx); |
703 | ||
704 | mutex_unlock(&efx->mac_lock); | |
8ceee660 | 705 | |
177dfcd8 | 706 | return 0; |
8ceee660 BH |
707 | } |
708 | ||
709 | static void efx_ethtool_get_pauseparam(struct net_device *net_dev, | |
710 | struct ethtool_pauseparam *pause) | |
711 | { | |
767e468c | 712 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 713 | |
04cc8cac BH |
714 | pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX); |
715 | pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX); | |
716 | pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO); | |
8ceee660 BH |
717 | } |
718 | ||
719 | ||
0fc0b732 | 720 | const struct ethtool_ops efx_ethtool_ops = { |
8ceee660 BH |
721 | .get_settings = efx_ethtool_get_settings, |
722 | .set_settings = efx_ethtool_set_settings, | |
723 | .get_drvinfo = efx_ethtool_get_drvinfo, | |
724 | .nway_reset = efx_ethtool_nway_reset, | |
725 | .get_link = efx_ethtool_get_link, | |
4a5b504d BH |
726 | .get_eeprom_len = efx_ethtool_get_eeprom_len, |
727 | .get_eeprom = efx_ethtool_get_eeprom, | |
728 | .set_eeprom = efx_ethtool_set_eeprom, | |
8ceee660 BH |
729 | .get_coalesce = efx_ethtool_get_coalesce, |
730 | .set_coalesce = efx_ethtool_set_coalesce, | |
731 | .get_pauseparam = efx_ethtool_get_pauseparam, | |
732 | .set_pauseparam = efx_ethtool_set_pauseparam, | |
733 | .get_rx_csum = efx_ethtool_get_rx_csum, | |
734 | .set_rx_csum = efx_ethtool_set_rx_csum, | |
735 | .get_tx_csum = ethtool_op_get_tx_csum, | |
60ac1065 | 736 | .set_tx_csum = ethtool_op_set_tx_csum, |
8ceee660 BH |
737 | .get_sg = ethtool_op_get_sg, |
738 | .set_sg = ethtool_op_set_sg, | |
b9b39b62 | 739 | .get_tso = ethtool_op_get_tso, |
60ac1065 | 740 | .set_tso = ethtool_op_set_tso, |
8ceee660 BH |
741 | .get_flags = ethtool_op_get_flags, |
742 | .set_flags = ethtool_op_set_flags, | |
3594e131 | 743 | .get_sset_count = efx_ethtool_get_sset_count, |
3273c2e8 | 744 | .self_test = efx_ethtool_self_test, |
8ceee660 BH |
745 | .get_strings = efx_ethtool_get_strings, |
746 | .phys_id = efx_ethtool_phys_id, | |
8ceee660 BH |
747 | .get_ethtool_stats = efx_ethtool_get_stats, |
748 | }; |