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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> | |
13 | #include <linux/rtnetlink.h> | |
14 | #include "net_driver.h" | |
04cc8cac | 15 | #include "workarounds.h" |
3273c2e8 | 16 | #include "selftest.h" |
8ceee660 BH |
17 | #include "efx.h" |
18 | #include "ethtool.h" | |
19 | #include "falcon.h" | |
4a5b504d | 20 | #include "spi.h" |
04cc8cac | 21 | #include "mdio_10g.h" |
8ceee660 | 22 | |
3273c2e8 BH |
23 | const char *efx_loopback_mode_names[] = { |
24 | [LOOPBACK_NONE] = "NONE", | |
177dfcd8 | 25 | [LOOPBACK_GMAC] = "GMAC", |
3273c2e8 BH |
26 | [LOOPBACK_XGMII] = "XGMII", |
27 | [LOOPBACK_XGXS] = "XGXS", | |
28 | [LOOPBACK_XAUI] = "XAUI", | |
177dfcd8 | 29 | [LOOPBACK_GPHY] = "GPHY", |
740ced99 BH |
30 | [LOOPBACK_PHYXS] = "PHYXS", |
31 | [LOOPBACK_PCS] = "PCS", | |
32 | [LOOPBACK_PMAPMD] = "PMA/PMD", | |
3273c2e8 BH |
33 | [LOOPBACK_NETWORK] = "NETWORK", |
34 | }; | |
35 | ||
8ceee660 BH |
36 | struct ethtool_string { |
37 | char name[ETH_GSTRING_LEN]; | |
38 | }; | |
39 | ||
40 | struct efx_ethtool_stat { | |
41 | const char *name; | |
42 | enum { | |
43 | EFX_ETHTOOL_STAT_SOURCE_mac_stats, | |
44 | EFX_ETHTOOL_STAT_SOURCE_nic, | |
45 | EFX_ETHTOOL_STAT_SOURCE_channel | |
46 | } source; | |
47 | unsigned offset; | |
48 | u64(*get_stat) (void *field); /* Reader function */ | |
49 | }; | |
50 | ||
51 | /* Initialiser for a struct #efx_ethtool_stat with type-checking */ | |
52 | #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \ | |
53 | get_stat_function) { \ | |
54 | .name = #stat_name, \ | |
55 | .source = EFX_ETHTOOL_STAT_SOURCE_##source_name, \ | |
56 | .offset = ((((field_type *) 0) == \ | |
57 | &((struct efx_##source_name *)0)->field) ? \ | |
58 | offsetof(struct efx_##source_name, field) : \ | |
59 | offsetof(struct efx_##source_name, field)), \ | |
60 | .get_stat = get_stat_function, \ | |
61 | } | |
62 | ||
63 | static u64 efx_get_uint_stat(void *field) | |
64 | { | |
65 | return *(unsigned int *)field; | |
66 | } | |
67 | ||
68 | static u64 efx_get_ulong_stat(void *field) | |
69 | { | |
70 | return *(unsigned long *)field; | |
71 | } | |
72 | ||
73 | static u64 efx_get_u64_stat(void *field) | |
74 | { | |
75 | return *(u64 *) field; | |
76 | } | |
77 | ||
78 | static u64 efx_get_atomic_stat(void *field) | |
79 | { | |
80 | return atomic_read((atomic_t *) field); | |
81 | } | |
82 | ||
83 | #define EFX_ETHTOOL_ULONG_MAC_STAT(field) \ | |
84 | EFX_ETHTOOL_STAT(field, mac_stats, field, \ | |
85 | unsigned long, efx_get_ulong_stat) | |
86 | ||
87 | #define EFX_ETHTOOL_U64_MAC_STAT(field) \ | |
88 | EFX_ETHTOOL_STAT(field, mac_stats, field, \ | |
89 | u64, efx_get_u64_stat) | |
90 | ||
91 | #define EFX_ETHTOOL_UINT_NIC_STAT(name) \ | |
92 | EFX_ETHTOOL_STAT(name, nic, n_##name, \ | |
93 | unsigned int, efx_get_uint_stat) | |
94 | ||
95 | #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \ | |
96 | EFX_ETHTOOL_STAT(field, nic, field, \ | |
97 | atomic_t, efx_get_atomic_stat) | |
98 | ||
99 | #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \ | |
100 | EFX_ETHTOOL_STAT(field, channel, n_##field, \ | |
101 | unsigned int, efx_get_uint_stat) | |
102 | ||
103 | static struct efx_ethtool_stat efx_ethtool_stats[] = { | |
104 | EFX_ETHTOOL_U64_MAC_STAT(tx_bytes), | |
105 | EFX_ETHTOOL_U64_MAC_STAT(tx_good_bytes), | |
106 | EFX_ETHTOOL_U64_MAC_STAT(tx_bad_bytes), | |
107 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_packets), | |
108 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_bad), | |
109 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_pause), | |
110 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_control), | |
111 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_unicast), | |
112 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_multicast), | |
113 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_broadcast), | |
114 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_lt64), | |
115 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_64), | |
116 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_65_to_127), | |
117 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_128_to_255), | |
118 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_256_to_511), | |
119 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_512_to_1023), | |
120 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_1024_to_15xx), | |
121 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_15xx_to_jumbo), | |
122 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_gtjumbo), | |
123 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_collision), | |
124 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_single_collision), | |
125 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_multiple_collision), | |
126 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_excessive_collision), | |
127 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_deferred), | |
128 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_late_collision), | |
129 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_excessive_deferred), | |
130 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_non_tcpudp), | |
131 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_mac_src_error), | |
132 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_ip_src_error), | |
133 | EFX_ETHTOOL_U64_MAC_STAT(rx_bytes), | |
134 | EFX_ETHTOOL_U64_MAC_STAT(rx_good_bytes), | |
135 | EFX_ETHTOOL_U64_MAC_STAT(rx_bad_bytes), | |
136 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_packets), | |
137 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_good), | |
138 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad), | |
139 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_pause), | |
140 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_control), | |
141 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_unicast), | |
142 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_multicast), | |
143 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_broadcast), | |
144 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_lt64), | |
145 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_64), | |
146 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_65_to_127), | |
147 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_128_to_255), | |
148 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_256_to_511), | |
149 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_512_to_1023), | |
150 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_1024_to_15xx), | |
151 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_15xx_to_jumbo), | |
152 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_gtjumbo), | |
153 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_lt64), | |
154 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_64_to_15xx), | |
155 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_15xx_to_jumbo), | |
156 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_gtjumbo), | |
157 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_overflow), | |
158 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_missed), | |
159 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_false_carrier), | |
160 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_symbol_error), | |
161 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_align_error), | |
162 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_length_error), | |
163 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_internal_error), | |
164 | EFX_ETHTOOL_UINT_NIC_STAT(rx_nodesc_drop_cnt), | |
165 | EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset), | |
166 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc), | |
167 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err), | |
168 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err), | |
169 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_frm_trunc), | |
170 | }; | |
171 | ||
172 | /* Number of ethtool statistics */ | |
173 | #define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats) | |
174 | ||
4a5b504d | 175 | #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB |
4a5b504d | 176 | |
8ceee660 BH |
177 | /************************************************************************** |
178 | * | |
179 | * Ethtool operations | |
180 | * | |
181 | ************************************************************************** | |
182 | */ | |
183 | ||
184 | /* Identify device by flashing LEDs */ | |
65f667fb | 185 | static int efx_ethtool_phys_id(struct net_device *net_dev, u32 count) |
8ceee660 | 186 | { |
767e468c | 187 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
188 | |
189 | efx->board_info.blink(efx, 1); | |
65f667fb BH |
190 | set_current_state(TASK_INTERRUPTIBLE); |
191 | if (count) | |
192 | schedule_timeout(count * HZ); | |
193 | else | |
194 | schedule(); | |
8ceee660 BH |
195 | efx->board_info.blink(efx, 0); |
196 | return 0; | |
197 | } | |
198 | ||
199 | /* This must be called with rtnl_lock held. */ | |
200 | int efx_ethtool_get_settings(struct net_device *net_dev, | |
201 | struct ethtool_cmd *ecmd) | |
202 | { | |
767e468c | 203 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
204 | |
205 | mutex_lock(&efx->mac_lock); | |
177dfcd8 | 206 | efx->phy_op->get_settings(efx, ecmd); |
8ceee660 BH |
207 | mutex_unlock(&efx->mac_lock); |
208 | ||
177dfcd8 BH |
209 | /* Falcon GMAC does not support 1000Mbps HD */ |
210 | ecmd->supported &= ~SUPPORTED_1000baseT_Half; | |
211 | ||
212 | return 0; | |
8ceee660 BH |
213 | } |
214 | ||
215 | /* This must be called with rtnl_lock held. */ | |
216 | int efx_ethtool_set_settings(struct net_device *net_dev, | |
217 | struct ethtool_cmd *ecmd) | |
218 | { | |
767e468c | 219 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
220 | int rc; |
221 | ||
177dfcd8 BH |
222 | /* Falcon GMAC does not support 1000Mbps HD */ |
223 | if (ecmd->speed == SPEED_1000 && ecmd->duplex != DUPLEX_FULL) { | |
224 | EFX_LOG(efx, "rejecting unsupported 1000Mbps HD" | |
225 | " setting\n"); | |
226 | return -EINVAL; | |
227 | } | |
228 | ||
8ceee660 | 229 | mutex_lock(&efx->mac_lock); |
177dfcd8 | 230 | rc = efx->phy_op->set_settings(efx, ecmd); |
8ceee660 BH |
231 | mutex_unlock(&efx->mac_lock); |
232 | if (!rc) | |
233 | efx_reconfigure_port(efx); | |
234 | ||
235 | return rc; | |
236 | } | |
237 | ||
238 | static void efx_ethtool_get_drvinfo(struct net_device *net_dev, | |
239 | struct ethtool_drvinfo *info) | |
240 | { | |
767e468c | 241 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
242 | |
243 | strlcpy(info->driver, EFX_DRIVER_NAME, sizeof(info->driver)); | |
244 | strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version)); | |
245 | strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info)); | |
246 | } | |
247 | ||
3273c2e8 BH |
248 | /** |
249 | * efx_fill_test - fill in an individual self-test entry | |
250 | * @test_index: Index of the test | |
251 | * @strings: Ethtool strings, or %NULL | |
252 | * @data: Ethtool test results, or %NULL | |
253 | * @test: Pointer to test result (used only if data != %NULL) | |
740ced99 BH |
254 | * @unit_format: Unit name format (e.g. "chan\%d") |
255 | * @unit_id: Unit id (e.g. 0 for "chan0") | |
3273c2e8 | 256 | * @test_format: Test name format (e.g. "loopback.\%s.tx.sent") |
740ced99 | 257 | * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent") |
3273c2e8 BH |
258 | * |
259 | * Fill in an individual self-test entry. | |
260 | */ | |
261 | static void efx_fill_test(unsigned int test_index, | |
262 | struct ethtool_string *strings, u64 *data, | |
263 | int *test, const char *unit_format, int unit_id, | |
264 | const char *test_format, const char *test_id) | |
265 | { | |
266 | struct ethtool_string unit_str, test_str; | |
267 | ||
268 | /* Fill data value, if applicable */ | |
269 | if (data) | |
270 | data[test_index] = *test; | |
271 | ||
272 | /* Fill string, if applicable */ | |
273 | if (strings) { | |
11e66966 BH |
274 | if (strchr(unit_format, '%')) |
275 | snprintf(unit_str.name, sizeof(unit_str.name), | |
276 | unit_format, unit_id); | |
277 | else | |
278 | strcpy(unit_str.name, unit_format); | |
3273c2e8 BH |
279 | snprintf(test_str.name, sizeof(test_str.name), |
280 | test_format, test_id); | |
281 | snprintf(strings[test_index].name, | |
282 | sizeof(strings[test_index].name), | |
740ced99 | 283 | "%-6s %-24s", unit_str.name, test_str.name); |
3273c2e8 BH |
284 | } |
285 | } | |
286 | ||
740ced99 | 287 | #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel |
3273c2e8 BH |
288 | #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue |
289 | #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue | |
290 | #define EFX_LOOPBACK_NAME(_mode, _counter) \ | |
291 | "loopback.%s." _counter, LOOPBACK_MODE_NAME(mode) | |
292 | ||
293 | /** | |
294 | * efx_fill_loopback_test - fill in a block of loopback self-test entries | |
295 | * @efx: Efx NIC | |
296 | * @lb_tests: Efx loopback self-test results structure | |
297 | * @mode: Loopback test mode | |
298 | * @test_index: Starting index of the test | |
299 | * @strings: Ethtool strings, or %NULL | |
300 | * @data: Ethtool test results, or %NULL | |
301 | */ | |
302 | static int efx_fill_loopback_test(struct efx_nic *efx, | |
303 | struct efx_loopback_self_tests *lb_tests, | |
304 | enum efx_loopback_mode mode, | |
305 | unsigned int test_index, | |
306 | struct ethtool_string *strings, u64 *data) | |
307 | { | |
308 | struct efx_tx_queue *tx_queue; | |
309 | ||
310 | efx_for_each_tx_queue(tx_queue, efx) { | |
311 | efx_fill_test(test_index++, strings, data, | |
312 | &lb_tests->tx_sent[tx_queue->queue], | |
313 | EFX_TX_QUEUE_NAME(tx_queue), | |
314 | EFX_LOOPBACK_NAME(mode, "tx_sent")); | |
315 | efx_fill_test(test_index++, strings, data, | |
316 | &lb_tests->tx_done[tx_queue->queue], | |
317 | EFX_TX_QUEUE_NAME(tx_queue), | |
318 | EFX_LOOPBACK_NAME(mode, "tx_done")); | |
319 | } | |
320 | efx_fill_test(test_index++, strings, data, | |
321 | &lb_tests->rx_good, | |
11e66966 | 322 | "rx", 0, |
3273c2e8 BH |
323 | EFX_LOOPBACK_NAME(mode, "rx_good")); |
324 | efx_fill_test(test_index++, strings, data, | |
325 | &lb_tests->rx_bad, | |
11e66966 | 326 | "rx", 0, |
3273c2e8 BH |
327 | EFX_LOOPBACK_NAME(mode, "rx_bad")); |
328 | ||
329 | return test_index; | |
330 | } | |
331 | ||
332 | /** | |
333 | * efx_ethtool_fill_self_tests - get self-test details | |
334 | * @efx: Efx NIC | |
335 | * @tests: Efx self-test results structure, or %NULL | |
336 | * @strings: Ethtool strings, or %NULL | |
337 | * @data: Ethtool test results, or %NULL | |
338 | */ | |
339 | static int efx_ethtool_fill_self_tests(struct efx_nic *efx, | |
340 | struct efx_self_tests *tests, | |
341 | struct ethtool_string *strings, | |
342 | u64 *data) | |
343 | { | |
344 | struct efx_channel *channel; | |
1796721a | 345 | unsigned int n = 0, i; |
3273c2e8 BH |
346 | enum efx_loopback_mode mode; |
347 | ||
8c8661e4 BH |
348 | efx_fill_test(n++, strings, data, &tests->mii, |
349 | "core", 0, "mii", NULL); | |
350 | efx_fill_test(n++, strings, data, &tests->nvram, | |
351 | "core", 0, "nvram", NULL); | |
3273c2e8 BH |
352 | efx_fill_test(n++, strings, data, &tests->interrupt, |
353 | "core", 0, "interrupt", NULL); | |
354 | ||
355 | /* Event queues */ | |
356 | efx_for_each_channel(channel, efx) { | |
357 | efx_fill_test(n++, strings, data, | |
358 | &tests->eventq_dma[channel->channel], | |
359 | EFX_CHANNEL_NAME(channel), | |
360 | "eventq.dma", NULL); | |
361 | efx_fill_test(n++, strings, data, | |
362 | &tests->eventq_int[channel->channel], | |
363 | EFX_CHANNEL_NAME(channel), | |
364 | "eventq.int", NULL); | |
365 | efx_fill_test(n++, strings, data, | |
366 | &tests->eventq_poll[channel->channel], | |
367 | EFX_CHANNEL_NAME(channel), | |
368 | "eventq.poll", NULL); | |
369 | } | |
370 | ||
8c8661e4 BH |
371 | efx_fill_test(n++, strings, data, &tests->registers, |
372 | "core", 0, "registers", NULL); | |
1796721a BH |
373 | |
374 | for (i = 0; i < efx->phy_op->num_tests; i++) | |
375 | efx_fill_test(n++, strings, data, &tests->phy[i], | |
376 | "phy", 0, efx->phy_op->test_names[i], NULL); | |
3273c2e8 BH |
377 | |
378 | /* Loopback tests */ | |
8c8661e4 | 379 | for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) { |
3273c2e8 BH |
380 | if (!(efx->loopback_modes & (1 << mode))) |
381 | continue; | |
382 | n = efx_fill_loopback_test(efx, | |
383 | &tests->loopback[mode], mode, n, | |
384 | strings, data); | |
385 | } | |
386 | ||
387 | return n; | |
388 | } | |
389 | ||
3594e131 BH |
390 | static int efx_ethtool_get_sset_count(struct net_device *net_dev, |
391 | int string_set) | |
8ceee660 | 392 | { |
3594e131 BH |
393 | switch (string_set) { |
394 | case ETH_SS_STATS: | |
395 | return EFX_ETHTOOL_NUM_STATS; | |
396 | case ETH_SS_TEST: | |
397 | return efx_ethtool_fill_self_tests(netdev_priv(net_dev), | |
398 | NULL, NULL, NULL); | |
399 | default: | |
400 | return -EINVAL; | |
401 | } | |
3273c2e8 BH |
402 | } |
403 | ||
8ceee660 BH |
404 | static void efx_ethtool_get_strings(struct net_device *net_dev, |
405 | u32 string_set, u8 *strings) | |
406 | { | |
767e468c | 407 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
408 | struct ethtool_string *ethtool_strings = |
409 | (struct ethtool_string *)strings; | |
410 | int i; | |
411 | ||
3273c2e8 BH |
412 | switch (string_set) { |
413 | case ETH_SS_STATS: | |
8ceee660 BH |
414 | for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) |
415 | strncpy(ethtool_strings[i].name, | |
416 | efx_ethtool_stats[i].name, | |
417 | sizeof(ethtool_strings[i].name)); | |
3273c2e8 BH |
418 | break; |
419 | case ETH_SS_TEST: | |
420 | efx_ethtool_fill_self_tests(efx, NULL, | |
421 | ethtool_strings, NULL); | |
422 | break; | |
423 | default: | |
424 | /* No other string sets */ | |
425 | break; | |
426 | } | |
8ceee660 BH |
427 | } |
428 | ||
429 | static void efx_ethtool_get_stats(struct net_device *net_dev, | |
430 | struct ethtool_stats *stats, | |
431 | u64 *data) | |
432 | { | |
767e468c | 433 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
434 | struct efx_mac_stats *mac_stats = &efx->mac_stats; |
435 | struct efx_ethtool_stat *stat; | |
436 | struct efx_channel *channel; | |
437 | int i; | |
438 | ||
439 | EFX_BUG_ON_PARANOID(stats->n_stats != EFX_ETHTOOL_NUM_STATS); | |
440 | ||
441 | /* Update MAC and NIC statistics */ | |
eeda3fd6 | 442 | dev_get_stats(net_dev); |
8ceee660 BH |
443 | |
444 | /* Fill detailed statistics buffer */ | |
445 | for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) { | |
446 | stat = &efx_ethtool_stats[i]; | |
447 | switch (stat->source) { | |
448 | case EFX_ETHTOOL_STAT_SOURCE_mac_stats: | |
449 | data[i] = stat->get_stat((void *)mac_stats + | |
450 | stat->offset); | |
451 | break; | |
452 | case EFX_ETHTOOL_STAT_SOURCE_nic: | |
453 | data[i] = stat->get_stat((void *)efx + stat->offset); | |
454 | break; | |
455 | case EFX_ETHTOOL_STAT_SOURCE_channel: | |
456 | data[i] = 0; | |
457 | efx_for_each_channel(channel, efx) | |
458 | data[i] += stat->get_stat((void *)channel + | |
459 | stat->offset); | |
460 | break; | |
461 | } | |
462 | } | |
463 | } | |
464 | ||
8ceee660 BH |
465 | static int efx_ethtool_set_rx_csum(struct net_device *net_dev, u32 enable) |
466 | { | |
767e468c | 467 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
468 | |
469 | /* No way to stop the hardware doing the checks; we just | |
470 | * ignore the result. | |
471 | */ | |
dc8cfa55 | 472 | efx->rx_checksum_enabled = !!enable; |
8ceee660 BH |
473 | |
474 | return 0; | |
475 | } | |
476 | ||
477 | static u32 efx_ethtool_get_rx_csum(struct net_device *net_dev) | |
478 | { | |
767e468c | 479 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
480 | |
481 | return efx->rx_checksum_enabled; | |
482 | } | |
483 | ||
3273c2e8 BH |
484 | static void efx_ethtool_self_test(struct net_device *net_dev, |
485 | struct ethtool_test *test, u64 *data) | |
486 | { | |
767e468c | 487 | struct efx_nic *efx = netdev_priv(net_dev); |
3273c2e8 | 488 | struct efx_self_tests efx_tests; |
2ef3068e | 489 | int already_up; |
3273c2e8 BH |
490 | int rc; |
491 | ||
492 | ASSERT_RTNL(); | |
493 | if (efx->state != STATE_RUNNING) { | |
494 | rc = -EIO; | |
495 | goto fail1; | |
496 | } | |
497 | ||
498 | /* We need rx buffers and interrupts. */ | |
499 | already_up = (efx->net_dev->flags & IFF_UP); | |
500 | if (!already_up) { | |
501 | rc = dev_open(efx->net_dev); | |
502 | if (rc) { | |
503 | EFX_ERR(efx, "failed opening device.\n"); | |
504 | goto fail2; | |
505 | } | |
506 | } | |
507 | ||
508 | memset(&efx_tests, 0, sizeof(efx_tests)); | |
3273c2e8 | 509 | |
2ef3068e | 510 | rc = efx_selftest(efx, &efx_tests, test->flags); |
3273c2e8 | 511 | |
3273c2e8 BH |
512 | if (!already_up) |
513 | dev_close(efx->net_dev); | |
514 | ||
2ef3068e BH |
515 | EFX_LOG(efx, "%s %sline self-tests\n", |
516 | rc == 0 ? "passed" : "failed", | |
517 | (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); | |
3273c2e8 BH |
518 | |
519 | fail2: | |
520 | fail1: | |
521 | /* Fill ethtool results structures */ | |
522 | efx_ethtool_fill_self_tests(efx, &efx_tests, NULL, data); | |
523 | if (rc) | |
524 | test->flags |= ETH_TEST_FL_FAILED; | |
525 | } | |
526 | ||
8ceee660 BH |
527 | /* Restart autonegotiation */ |
528 | static int efx_ethtool_nway_reset(struct net_device *net_dev) | |
529 | { | |
767e468c | 530 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
531 | |
532 | return mii_nway_restart(&efx->mii); | |
533 | } | |
534 | ||
535 | static u32 efx_ethtool_get_link(struct net_device *net_dev) | |
536 | { | |
767e468c | 537 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
538 | |
539 | return efx->link_up; | |
540 | } | |
541 | ||
4a5b504d BH |
542 | static int efx_ethtool_get_eeprom_len(struct net_device *net_dev) |
543 | { | |
544 | struct efx_nic *efx = netdev_priv(net_dev); | |
545 | struct efx_spi_device *spi = efx->spi_eeprom; | |
546 | ||
547 | if (!spi) | |
548 | return 0; | |
0a95f563 BH |
549 | return min(spi->size, EFX_EEPROM_BOOTCONFIG_END) - |
550 | min(spi->size, EFX_EEPROM_BOOTCONFIG_START); | |
4a5b504d BH |
551 | } |
552 | ||
553 | static int efx_ethtool_get_eeprom(struct net_device *net_dev, | |
554 | struct ethtool_eeprom *eeprom, u8 *buf) | |
555 | { | |
556 | struct efx_nic *efx = netdev_priv(net_dev); | |
557 | struct efx_spi_device *spi = efx->spi_eeprom; | |
558 | size_t len; | |
559 | int rc; | |
560 | ||
ca54a9f5 BH |
561 | rc = mutex_lock_interruptible(&efx->spi_lock); |
562 | if (rc) | |
563 | return rc; | |
0a95f563 | 564 | rc = falcon_spi_read(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START, |
4a5b504d | 565 | eeprom->len, &len, buf); |
f4150724 | 566 | mutex_unlock(&efx->spi_lock); |
ca54a9f5 | 567 | |
4a5b504d BH |
568 | eeprom->magic = EFX_ETHTOOL_EEPROM_MAGIC; |
569 | eeprom->len = len; | |
570 | return rc; | |
571 | } | |
572 | ||
573 | static int efx_ethtool_set_eeprom(struct net_device *net_dev, | |
574 | struct ethtool_eeprom *eeprom, u8 *buf) | |
575 | { | |
576 | struct efx_nic *efx = netdev_priv(net_dev); | |
577 | struct efx_spi_device *spi = efx->spi_eeprom; | |
578 | size_t len; | |
579 | int rc; | |
580 | ||
581 | if (eeprom->magic != EFX_ETHTOOL_EEPROM_MAGIC) | |
582 | return -EINVAL; | |
583 | ||
ca54a9f5 BH |
584 | rc = mutex_lock_interruptible(&efx->spi_lock); |
585 | if (rc) | |
586 | return rc; | |
0a95f563 | 587 | rc = falcon_spi_write(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START, |
4a5b504d | 588 | eeprom->len, &len, buf); |
f4150724 | 589 | mutex_unlock(&efx->spi_lock); |
ca54a9f5 | 590 | |
4a5b504d BH |
591 | eeprom->len = len; |
592 | return rc; | |
593 | } | |
594 | ||
8ceee660 BH |
595 | static int efx_ethtool_get_coalesce(struct net_device *net_dev, |
596 | struct ethtool_coalesce *coalesce) | |
597 | { | |
767e468c | 598 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
599 | struct efx_tx_queue *tx_queue; |
600 | struct efx_rx_queue *rx_queue; | |
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 | ||
618 | /* Find lowest IRQ moderation across all used RX queues */ | |
619 | coalesce->rx_coalesce_usecs_irq = ~((u32) 0); | |
620 | efx_for_each_rx_queue(rx_queue, efx) { | |
621 | channel = rx_queue->channel; | |
622 | if (channel->irq_moderation < coalesce->rx_coalesce_usecs_irq) | |
623 | coalesce->rx_coalesce_usecs_irq = | |
624 | channel->irq_moderation; | |
625 | } | |
626 | ||
627 | return 0; | |
628 | } | |
629 | ||
630 | /* Set coalescing parameters | |
631 | * The difficulties occur for shared channels | |
632 | */ | |
633 | static int efx_ethtool_set_coalesce(struct net_device *net_dev, | |
634 | struct ethtool_coalesce *coalesce) | |
635 | { | |
767e468c | 636 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
637 | struct efx_channel *channel; |
638 | struct efx_tx_queue *tx_queue; | |
639 | unsigned tx_usecs, rx_usecs; | |
640 | ||
641 | if (coalesce->use_adaptive_rx_coalesce || | |
642 | coalesce->use_adaptive_tx_coalesce) | |
643 | return -EOPNOTSUPP; | |
644 | ||
645 | if (coalesce->rx_coalesce_usecs || coalesce->tx_coalesce_usecs) { | |
646 | EFX_ERR(efx, "invalid coalescing setting. " | |
647 | "Only rx/tx_coalesce_usecs_irq are supported\n"); | |
648 | return -EOPNOTSUPP; | |
649 | } | |
650 | ||
651 | rx_usecs = coalesce->rx_coalesce_usecs_irq; | |
652 | tx_usecs = coalesce->tx_coalesce_usecs_irq; | |
653 | ||
654 | /* If the channel is shared only allow RX parameters to be set */ | |
655 | efx_for_each_tx_queue(tx_queue, efx) { | |
656 | if ((tx_queue->channel->used_flags == EFX_USED_BY_RX_TX) && | |
657 | tx_usecs) { | |
658 | EFX_ERR(efx, "Channel is shared. " | |
659 | "Only RX coalescing may be set\n"); | |
660 | return -EOPNOTSUPP; | |
661 | } | |
662 | } | |
663 | ||
664 | efx_init_irq_moderation(efx, tx_usecs, rx_usecs); | |
665 | ||
666 | /* Reset channel to pick up new moderation value. Note that | |
667 | * this may change the value of the irq_moderation field | |
668 | * (e.g. to allow for hardware timer granularity). | |
669 | */ | |
670 | efx_for_each_channel(channel, efx) | |
671 | falcon_set_int_moderation(channel); | |
672 | ||
673 | return 0; | |
674 | } | |
675 | ||
676 | static int efx_ethtool_set_pauseparam(struct net_device *net_dev, | |
677 | struct ethtool_pauseparam *pause) | |
678 | { | |
767e468c | 679 | struct efx_nic *efx = netdev_priv(net_dev); |
04cc8cac BH |
680 | enum efx_fc_type wanted_fc; |
681 | bool reset; | |
8ceee660 | 682 | |
04cc8cac BH |
683 | wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) | |
684 | (pause->tx_pause ? EFX_FC_TX : 0) | | |
685 | (pause->autoneg ? EFX_FC_AUTO : 0)); | |
686 | ||
687 | if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) { | |
688 | EFX_LOG(efx, "Flow control unsupported: tx ON rx OFF\n"); | |
689 | return -EINVAL; | |
690 | } | |
691 | ||
692 | if (!(efx->phy_op->mmds & DEV_PRESENT_BIT(MDIO_MMD_AN)) && | |
693 | (wanted_fc & EFX_FC_AUTO)) { | |
694 | EFX_LOG(efx, "PHY does not support flow control " | |
695 | "autonegotiation\n"); | |
696 | return -EINVAL; | |
697 | } | |
698 | ||
699 | /* TX flow control may automatically turn itself off if the | |
700 | * link partner (intermittently) stops responding to pause | |
701 | * frames. There isn't any indication that this has happened, | |
702 | * so the best we do is leave it up to the user to spot this | |
703 | * and fix it be cycling transmit flow control on this end. */ | |
704 | reset = (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX); | |
705 | if (EFX_WORKAROUND_11482(efx) && reset) { | |
706 | if (falcon_rev(efx) >= FALCON_REV_B0) { | |
707 | /* Recover by resetting the EM block */ | |
708 | if (efx->link_up) | |
709 | falcon_drain_tx_fifo(efx); | |
710 | } else { | |
711 | /* Schedule a reset to recover */ | |
712 | efx_schedule_reset(efx, RESET_TYPE_INVISIBLE); | |
713 | } | |
714 | } | |
715 | ||
716 | /* Try to push the pause parameters */ | |
717 | mutex_lock(&efx->mac_lock); | |
718 | ||
719 | efx->wanted_fc = wanted_fc; | |
720 | mdio_clause45_set_pause(efx); | |
721 | __efx_reconfigure_port(efx); | |
722 | ||
723 | mutex_unlock(&efx->mac_lock); | |
8ceee660 | 724 | |
177dfcd8 | 725 | return 0; |
8ceee660 BH |
726 | } |
727 | ||
728 | static void efx_ethtool_get_pauseparam(struct net_device *net_dev, | |
729 | struct ethtool_pauseparam *pause) | |
730 | { | |
767e468c | 731 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 732 | |
04cc8cac BH |
733 | pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX); |
734 | pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX); | |
735 | pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO); | |
8ceee660 BH |
736 | } |
737 | ||
738 | ||
739 | struct ethtool_ops efx_ethtool_ops = { | |
740 | .get_settings = efx_ethtool_get_settings, | |
741 | .set_settings = efx_ethtool_set_settings, | |
742 | .get_drvinfo = efx_ethtool_get_drvinfo, | |
743 | .nway_reset = efx_ethtool_nway_reset, | |
744 | .get_link = efx_ethtool_get_link, | |
4a5b504d BH |
745 | .get_eeprom_len = efx_ethtool_get_eeprom_len, |
746 | .get_eeprom = efx_ethtool_get_eeprom, | |
747 | .set_eeprom = efx_ethtool_set_eeprom, | |
8ceee660 BH |
748 | .get_coalesce = efx_ethtool_get_coalesce, |
749 | .set_coalesce = efx_ethtool_set_coalesce, | |
750 | .get_pauseparam = efx_ethtool_get_pauseparam, | |
751 | .set_pauseparam = efx_ethtool_set_pauseparam, | |
752 | .get_rx_csum = efx_ethtool_get_rx_csum, | |
753 | .set_rx_csum = efx_ethtool_set_rx_csum, | |
754 | .get_tx_csum = ethtool_op_get_tx_csum, | |
60ac1065 | 755 | .set_tx_csum = ethtool_op_set_tx_csum, |
8ceee660 BH |
756 | .get_sg = ethtool_op_get_sg, |
757 | .set_sg = ethtool_op_set_sg, | |
b9b39b62 | 758 | .get_tso = ethtool_op_get_tso, |
60ac1065 | 759 | .set_tso = ethtool_op_set_tso, |
8ceee660 BH |
760 | .get_flags = ethtool_op_get_flags, |
761 | .set_flags = ethtool_op_set_flags, | |
3594e131 | 762 | .get_sset_count = efx_ethtool_get_sset_count, |
3273c2e8 | 763 | .self_test = efx_ethtool_self_test, |
8ceee660 BH |
764 | .get_strings = efx_ethtool_get_strings, |
765 | .phys_id = efx_ethtool_phys_id, | |
8ceee660 BH |
766 | .get_ethtool_stats = efx_ethtool_get_stats, |
767 | }; |