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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 | 17 | #include "efx.h" |
744093c9 | 18 | #include "nic.h" |
4a5b504d | 19 | #include "spi.h" |
04cc8cac | 20 | #include "mdio_10g.h" |
8ceee660 | 21 | |
8ceee660 BH |
22 | struct ethtool_string { |
23 | char name[ETH_GSTRING_LEN]; | |
24 | }; | |
25 | ||
26 | struct efx_ethtool_stat { | |
27 | const char *name; | |
28 | enum { | |
29 | EFX_ETHTOOL_STAT_SOURCE_mac_stats, | |
30 | EFX_ETHTOOL_STAT_SOURCE_nic, | |
31 | EFX_ETHTOOL_STAT_SOURCE_channel | |
32 | } source; | |
33 | unsigned offset; | |
34 | u64(*get_stat) (void *field); /* Reader function */ | |
35 | }; | |
36 | ||
37 | /* Initialiser for a struct #efx_ethtool_stat with type-checking */ | |
38 | #define EFX_ETHTOOL_STAT(stat_name, source_name, field, field_type, \ | |
39 | get_stat_function) { \ | |
40 | .name = #stat_name, \ | |
41 | .source = EFX_ETHTOOL_STAT_SOURCE_##source_name, \ | |
42 | .offset = ((((field_type *) 0) == \ | |
43 | &((struct efx_##source_name *)0)->field) ? \ | |
44 | offsetof(struct efx_##source_name, field) : \ | |
45 | offsetof(struct efx_##source_name, field)), \ | |
46 | .get_stat = get_stat_function, \ | |
47 | } | |
48 | ||
49 | static u64 efx_get_uint_stat(void *field) | |
50 | { | |
51 | return *(unsigned int *)field; | |
52 | } | |
53 | ||
54 | static u64 efx_get_ulong_stat(void *field) | |
55 | { | |
56 | return *(unsigned long *)field; | |
57 | } | |
58 | ||
59 | static u64 efx_get_u64_stat(void *field) | |
60 | { | |
61 | return *(u64 *) field; | |
62 | } | |
63 | ||
64 | static u64 efx_get_atomic_stat(void *field) | |
65 | { | |
66 | return atomic_read((atomic_t *) field); | |
67 | } | |
68 | ||
69 | #define EFX_ETHTOOL_ULONG_MAC_STAT(field) \ | |
70 | EFX_ETHTOOL_STAT(field, mac_stats, field, \ | |
71 | unsigned long, efx_get_ulong_stat) | |
72 | ||
73 | #define EFX_ETHTOOL_U64_MAC_STAT(field) \ | |
74 | EFX_ETHTOOL_STAT(field, mac_stats, field, \ | |
75 | u64, efx_get_u64_stat) | |
76 | ||
77 | #define EFX_ETHTOOL_UINT_NIC_STAT(name) \ | |
78 | EFX_ETHTOOL_STAT(name, nic, n_##name, \ | |
79 | unsigned int, efx_get_uint_stat) | |
80 | ||
81 | #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \ | |
82 | EFX_ETHTOOL_STAT(field, nic, field, \ | |
83 | atomic_t, efx_get_atomic_stat) | |
84 | ||
85 | #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \ | |
86 | EFX_ETHTOOL_STAT(field, channel, n_##field, \ | |
87 | unsigned int, efx_get_uint_stat) | |
88 | ||
89 | static struct efx_ethtool_stat efx_ethtool_stats[] = { | |
90 | EFX_ETHTOOL_U64_MAC_STAT(tx_bytes), | |
91 | EFX_ETHTOOL_U64_MAC_STAT(tx_good_bytes), | |
92 | EFX_ETHTOOL_U64_MAC_STAT(tx_bad_bytes), | |
93 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_packets), | |
94 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_bad), | |
95 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_pause), | |
96 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_control), | |
97 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_unicast), | |
98 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_multicast), | |
99 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_broadcast), | |
100 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_lt64), | |
101 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_64), | |
102 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_65_to_127), | |
103 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_128_to_255), | |
104 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_256_to_511), | |
105 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_512_to_1023), | |
106 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_1024_to_15xx), | |
107 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_15xx_to_jumbo), | |
108 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_gtjumbo), | |
109 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_collision), | |
110 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_single_collision), | |
111 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_multiple_collision), | |
112 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_excessive_collision), | |
113 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_deferred), | |
114 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_late_collision), | |
115 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_excessive_deferred), | |
116 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_non_tcpudp), | |
117 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_mac_src_error), | |
118 | EFX_ETHTOOL_ULONG_MAC_STAT(tx_ip_src_error), | |
119 | EFX_ETHTOOL_U64_MAC_STAT(rx_bytes), | |
120 | EFX_ETHTOOL_U64_MAC_STAT(rx_good_bytes), | |
121 | EFX_ETHTOOL_U64_MAC_STAT(rx_bad_bytes), | |
122 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_packets), | |
123 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_good), | |
124 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad), | |
125 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_pause), | |
126 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_control), | |
127 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_unicast), | |
128 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_multicast), | |
129 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_broadcast), | |
130 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_lt64), | |
131 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_64), | |
132 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_65_to_127), | |
133 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_128_to_255), | |
134 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_256_to_511), | |
135 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_512_to_1023), | |
136 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_1024_to_15xx), | |
137 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_15xx_to_jumbo), | |
138 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_gtjumbo), | |
139 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_lt64), | |
140 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_64_to_15xx), | |
141 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_15xx_to_jumbo), | |
142 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_bad_gtjumbo), | |
143 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_overflow), | |
144 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_missed), | |
145 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_false_carrier), | |
146 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_symbol_error), | |
147 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_align_error), | |
148 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_length_error), | |
149 | EFX_ETHTOOL_ULONG_MAC_STAT(rx_internal_error), | |
150 | EFX_ETHTOOL_UINT_NIC_STAT(rx_nodesc_drop_cnt), | |
151 | EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(rx_reset), | |
152 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tobe_disc), | |
153 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_ip_hdr_chksum_err), | |
154 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_tcp_udp_chksum_err), | |
c1ac403b | 155 | EFX_ETHTOOL_UINT_CHANNEL_STAT(rx_mcast_mismatch), |
8ceee660 BH |
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 { |
06629f07 | 177 | efx->type->set_id_led(efx, EFX_LED_ON); |
398468ed BH |
178 | schedule_timeout_interruptible(HZ / 2); |
179 | ||
06629f07 | 180 | efx->type->set_id_led(efx, EFX_LED_OFF); |
398468ed BH |
181 | schedule_timeout_interruptible(HZ / 2); |
182 | } while (!signal_pending(current) && --count != 0); | |
183 | ||
06629f07 | 184 | efx->type->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); |
d3245b28 | 193 | struct efx_link_state *link_state = &efx->link_state; |
8ceee660 BH |
194 | |
195 | mutex_lock(&efx->mac_lock); | |
177dfcd8 | 196 | efx->phy_op->get_settings(efx, ecmd); |
8ceee660 BH |
197 | mutex_unlock(&efx->mac_lock); |
198 | ||
177dfcd8 BH |
199 | /* Falcon GMAC does not support 1000Mbps HD */ |
200 | ecmd->supported &= ~SUPPORTED_1000baseT_Half; | |
d3245b28 BH |
201 | /* Both MACs support pause frames (bidirectional and respond-only) */ |
202 | ecmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause; | |
203 | ||
204 | if (LOOPBACK_INTERNAL(efx)) { | |
205 | ecmd->speed = link_state->speed; | |
206 | ecmd->duplex = link_state->fd ? DUPLEX_FULL : DUPLEX_HALF; | |
207 | } | |
177dfcd8 BH |
208 | |
209 | return 0; | |
8ceee660 BH |
210 | } |
211 | ||
212 | /* This must be called with rtnl_lock held. */ | |
213 | int efx_ethtool_set_settings(struct net_device *net_dev, | |
214 | struct ethtool_cmd *ecmd) | |
215 | { | |
767e468c | 216 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
217 | int rc; |
218 | ||
177dfcd8 BH |
219 | /* Falcon GMAC does not support 1000Mbps HD */ |
220 | if (ecmd->speed == SPEED_1000 && ecmd->duplex != DUPLEX_FULL) { | |
221 | EFX_LOG(efx, "rejecting unsupported 1000Mbps HD" | |
222 | " setting\n"); | |
223 | return -EINVAL; | |
224 | } | |
225 | ||
8ceee660 | 226 | mutex_lock(&efx->mac_lock); |
177dfcd8 | 227 | rc = efx->phy_op->set_settings(efx, ecmd); |
8ceee660 | 228 | mutex_unlock(&efx->mac_lock); |
8ceee660 BH |
229 | return rc; |
230 | } | |
231 | ||
232 | static void efx_ethtool_get_drvinfo(struct net_device *net_dev, | |
233 | struct ethtool_drvinfo *info) | |
234 | { | |
767e468c | 235 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
236 | |
237 | strlcpy(info->driver, EFX_DRIVER_NAME, sizeof(info->driver)); | |
238 | strlcpy(info->version, EFX_DRIVER_VERSION, sizeof(info->version)); | |
8880f4ec BH |
239 | if (efx_nic_rev(efx) >= EFX_REV_SIENA_A0) |
240 | siena_print_fwver(efx, info->fw_version, | |
241 | sizeof(info->fw_version)); | |
8ceee660 BH |
242 | strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info)); |
243 | } | |
244 | ||
3273c2e8 BH |
245 | /** |
246 | * efx_fill_test - fill in an individual self-test entry | |
247 | * @test_index: Index of the test | |
248 | * @strings: Ethtool strings, or %NULL | |
249 | * @data: Ethtool test results, or %NULL | |
250 | * @test: Pointer to test result (used only if data != %NULL) | |
740ced99 BH |
251 | * @unit_format: Unit name format (e.g. "chan\%d") |
252 | * @unit_id: Unit id (e.g. 0 for "chan0") | |
3273c2e8 | 253 | * @test_format: Test name format (e.g. "loopback.\%s.tx.sent") |
740ced99 | 254 | * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent") |
3273c2e8 BH |
255 | * |
256 | * Fill in an individual self-test entry. | |
257 | */ | |
258 | static void efx_fill_test(unsigned int test_index, | |
259 | struct ethtool_string *strings, u64 *data, | |
260 | int *test, const char *unit_format, int unit_id, | |
261 | const char *test_format, const char *test_id) | |
262 | { | |
263 | struct ethtool_string unit_str, test_str; | |
264 | ||
265 | /* Fill data value, if applicable */ | |
266 | if (data) | |
267 | data[test_index] = *test; | |
268 | ||
269 | /* Fill string, if applicable */ | |
270 | if (strings) { | |
11e66966 BH |
271 | if (strchr(unit_format, '%')) |
272 | snprintf(unit_str.name, sizeof(unit_str.name), | |
273 | unit_format, unit_id); | |
274 | else | |
275 | strcpy(unit_str.name, unit_format); | |
3273c2e8 BH |
276 | snprintf(test_str.name, sizeof(test_str.name), |
277 | test_format, test_id); | |
278 | snprintf(strings[test_index].name, | |
279 | sizeof(strings[test_index].name), | |
740ced99 | 280 | "%-6s %-24s", unit_str.name, test_str.name); |
3273c2e8 BH |
281 | } |
282 | } | |
283 | ||
740ced99 | 284 | #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel |
3273c2e8 BH |
285 | #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue |
286 | #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue | |
287 | #define EFX_LOOPBACK_NAME(_mode, _counter) \ | |
c459302d | 288 | "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode) |
3273c2e8 BH |
289 | |
290 | /** | |
291 | * efx_fill_loopback_test - fill in a block of loopback self-test entries | |
292 | * @efx: Efx NIC | |
293 | * @lb_tests: Efx loopback self-test results structure | |
294 | * @mode: Loopback test mode | |
295 | * @test_index: Starting index of the test | |
296 | * @strings: Ethtool strings, or %NULL | |
297 | * @data: Ethtool test results, or %NULL | |
298 | */ | |
299 | static int efx_fill_loopback_test(struct efx_nic *efx, | |
300 | struct efx_loopback_self_tests *lb_tests, | |
301 | enum efx_loopback_mode mode, | |
302 | unsigned int test_index, | |
303 | struct ethtool_string *strings, u64 *data) | |
304 | { | |
305 | struct efx_tx_queue *tx_queue; | |
306 | ||
307 | efx_for_each_tx_queue(tx_queue, efx) { | |
308 | efx_fill_test(test_index++, strings, data, | |
309 | &lb_tests->tx_sent[tx_queue->queue], | |
310 | EFX_TX_QUEUE_NAME(tx_queue), | |
311 | EFX_LOOPBACK_NAME(mode, "tx_sent")); | |
312 | efx_fill_test(test_index++, strings, data, | |
313 | &lb_tests->tx_done[tx_queue->queue], | |
314 | EFX_TX_QUEUE_NAME(tx_queue), | |
315 | EFX_LOOPBACK_NAME(mode, "tx_done")); | |
316 | } | |
317 | efx_fill_test(test_index++, strings, data, | |
318 | &lb_tests->rx_good, | |
11e66966 | 319 | "rx", 0, |
3273c2e8 BH |
320 | EFX_LOOPBACK_NAME(mode, "rx_good")); |
321 | efx_fill_test(test_index++, strings, data, | |
322 | &lb_tests->rx_bad, | |
11e66966 | 323 | "rx", 0, |
3273c2e8 BH |
324 | EFX_LOOPBACK_NAME(mode, "rx_bad")); |
325 | ||
326 | return test_index; | |
327 | } | |
328 | ||
329 | /** | |
330 | * efx_ethtool_fill_self_tests - get self-test details | |
331 | * @efx: Efx NIC | |
332 | * @tests: Efx self-test results structure, or %NULL | |
333 | * @strings: Ethtool strings, or %NULL | |
334 | * @data: Ethtool test results, or %NULL | |
335 | */ | |
336 | static int efx_ethtool_fill_self_tests(struct efx_nic *efx, | |
337 | struct efx_self_tests *tests, | |
338 | struct ethtool_string *strings, | |
339 | u64 *data) | |
340 | { | |
341 | struct efx_channel *channel; | |
1796721a | 342 | unsigned int n = 0, i; |
3273c2e8 BH |
343 | enum efx_loopback_mode mode; |
344 | ||
68e7f45e BH |
345 | efx_fill_test(n++, strings, data, &tests->mdio, |
346 | "core", 0, "mdio", NULL); | |
8c8661e4 BH |
347 | efx_fill_test(n++, strings, data, &tests->nvram, |
348 | "core", 0, "nvram", NULL); | |
3273c2e8 BH |
349 | efx_fill_test(n++, strings, data, &tests->interrupt, |
350 | "core", 0, "interrupt", NULL); | |
351 | ||
352 | /* Event queues */ | |
353 | efx_for_each_channel(channel, efx) { | |
354 | efx_fill_test(n++, strings, data, | |
355 | &tests->eventq_dma[channel->channel], | |
356 | EFX_CHANNEL_NAME(channel), | |
357 | "eventq.dma", NULL); | |
358 | efx_fill_test(n++, strings, data, | |
359 | &tests->eventq_int[channel->channel], | |
360 | EFX_CHANNEL_NAME(channel), | |
361 | "eventq.int", NULL); | |
362 | efx_fill_test(n++, strings, data, | |
363 | &tests->eventq_poll[channel->channel], | |
364 | EFX_CHANNEL_NAME(channel), | |
365 | "eventq.poll", NULL); | |
366 | } | |
367 | ||
8c8661e4 BH |
368 | efx_fill_test(n++, strings, data, &tests->registers, |
369 | "core", 0, "registers", NULL); | |
1796721a | 370 | |
c1c4f453 BH |
371 | if (efx->phy_op->run_tests != NULL) { |
372 | EFX_BUG_ON_PARANOID(efx->phy_op->test_name == NULL); | |
373 | ||
374 | for (i = 0; true; ++i) { | |
375 | const char *name; | |
376 | ||
377 | EFX_BUG_ON_PARANOID(i >= EFX_MAX_PHY_TESTS); | |
378 | name = efx->phy_op->test_name(efx, i); | |
379 | if (name == NULL) | |
380 | break; | |
381 | ||
382 | efx_fill_test(n++, strings, data, &tests->phy[i], | |
383 | "phy", 0, name, NULL); | |
384 | } | |
385 | } | |
3273c2e8 BH |
386 | |
387 | /* Loopback tests */ | |
8c8661e4 | 388 | for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) { |
3273c2e8 BH |
389 | if (!(efx->loopback_modes & (1 << mode))) |
390 | continue; | |
391 | n = efx_fill_loopback_test(efx, | |
392 | &tests->loopback[mode], mode, n, | |
393 | strings, data); | |
394 | } | |
395 | ||
396 | return n; | |
397 | } | |
398 | ||
3594e131 BH |
399 | static int efx_ethtool_get_sset_count(struct net_device *net_dev, |
400 | int string_set) | |
8ceee660 | 401 | { |
3594e131 BH |
402 | switch (string_set) { |
403 | case ETH_SS_STATS: | |
404 | return EFX_ETHTOOL_NUM_STATS; | |
405 | case ETH_SS_TEST: | |
406 | return efx_ethtool_fill_self_tests(netdev_priv(net_dev), | |
407 | NULL, NULL, NULL); | |
408 | default: | |
409 | return -EINVAL; | |
410 | } | |
3273c2e8 BH |
411 | } |
412 | ||
8ceee660 BH |
413 | static void efx_ethtool_get_strings(struct net_device *net_dev, |
414 | u32 string_set, u8 *strings) | |
415 | { | |
767e468c | 416 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
417 | struct ethtool_string *ethtool_strings = |
418 | (struct ethtool_string *)strings; | |
419 | int i; | |
420 | ||
3273c2e8 BH |
421 | switch (string_set) { |
422 | case ETH_SS_STATS: | |
8ceee660 BH |
423 | for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) |
424 | strncpy(ethtool_strings[i].name, | |
425 | efx_ethtool_stats[i].name, | |
426 | sizeof(ethtool_strings[i].name)); | |
3273c2e8 BH |
427 | break; |
428 | case ETH_SS_TEST: | |
429 | efx_ethtool_fill_self_tests(efx, NULL, | |
430 | ethtool_strings, NULL); | |
431 | break; | |
432 | default: | |
433 | /* No other string sets */ | |
434 | break; | |
435 | } | |
8ceee660 BH |
436 | } |
437 | ||
438 | static void efx_ethtool_get_stats(struct net_device *net_dev, | |
439 | struct ethtool_stats *stats, | |
440 | u64 *data) | |
441 | { | |
767e468c | 442 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
443 | struct efx_mac_stats *mac_stats = &efx->mac_stats; |
444 | struct efx_ethtool_stat *stat; | |
445 | struct efx_channel *channel; | |
446 | int i; | |
447 | ||
448 | EFX_BUG_ON_PARANOID(stats->n_stats != EFX_ETHTOOL_NUM_STATS); | |
449 | ||
450 | /* Update MAC and NIC statistics */ | |
eeda3fd6 | 451 | dev_get_stats(net_dev); |
8ceee660 BH |
452 | |
453 | /* Fill detailed statistics buffer */ | |
454 | for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) { | |
455 | stat = &efx_ethtool_stats[i]; | |
456 | switch (stat->source) { | |
457 | case EFX_ETHTOOL_STAT_SOURCE_mac_stats: | |
458 | data[i] = stat->get_stat((void *)mac_stats + | |
459 | stat->offset); | |
460 | break; | |
461 | case EFX_ETHTOOL_STAT_SOURCE_nic: | |
462 | data[i] = stat->get_stat((void *)efx + stat->offset); | |
463 | break; | |
464 | case EFX_ETHTOOL_STAT_SOURCE_channel: | |
465 | data[i] = 0; | |
466 | efx_for_each_channel(channel, efx) | |
467 | data[i] += stat->get_stat((void *)channel + | |
468 | stat->offset); | |
469 | break; | |
470 | } | |
471 | } | |
472 | } | |
473 | ||
c383b537 BH |
474 | static int efx_ethtool_set_tx_csum(struct net_device *net_dev, u32 enable) |
475 | { | |
476 | struct efx_nic *efx = netdev_priv(net_dev); | |
477 | unsigned long features = efx->type->offload_features & NETIF_F_ALL_CSUM; | |
478 | ||
479 | if (enable) | |
480 | net_dev->features |= features; | |
481 | else | |
482 | net_dev->features &= ~features; | |
483 | ||
484 | return 0; | |
485 | } | |
486 | ||
8ceee660 BH |
487 | static int efx_ethtool_set_rx_csum(struct net_device *net_dev, u32 enable) |
488 | { | |
767e468c | 489 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
490 | |
491 | /* No way to stop the hardware doing the checks; we just | |
492 | * ignore the result. | |
493 | */ | |
dc8cfa55 | 494 | efx->rx_checksum_enabled = !!enable; |
8ceee660 BH |
495 | |
496 | return 0; | |
497 | } | |
498 | ||
499 | static u32 efx_ethtool_get_rx_csum(struct net_device *net_dev) | |
500 | { | |
767e468c | 501 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
502 | |
503 | return efx->rx_checksum_enabled; | |
504 | } | |
505 | ||
3273c2e8 BH |
506 | static void efx_ethtool_self_test(struct net_device *net_dev, |
507 | struct ethtool_test *test, u64 *data) | |
508 | { | |
767e468c | 509 | struct efx_nic *efx = netdev_priv(net_dev); |
3273c2e8 | 510 | struct efx_self_tests efx_tests; |
2ef3068e | 511 | int already_up; |
3273c2e8 BH |
512 | int rc; |
513 | ||
514 | ASSERT_RTNL(); | |
515 | if (efx->state != STATE_RUNNING) { | |
516 | rc = -EIO; | |
517 | goto fail1; | |
518 | } | |
519 | ||
520 | /* We need rx buffers and interrupts. */ | |
521 | already_up = (efx->net_dev->flags & IFF_UP); | |
522 | if (!already_up) { | |
523 | rc = dev_open(efx->net_dev); | |
524 | if (rc) { | |
525 | EFX_ERR(efx, "failed opening device.\n"); | |
526 | goto fail2; | |
527 | } | |
528 | } | |
529 | ||
530 | memset(&efx_tests, 0, sizeof(efx_tests)); | |
3273c2e8 | 531 | |
2ef3068e | 532 | rc = efx_selftest(efx, &efx_tests, test->flags); |
3273c2e8 | 533 | |
3273c2e8 BH |
534 | if (!already_up) |
535 | dev_close(efx->net_dev); | |
536 | ||
2ef3068e BH |
537 | EFX_LOG(efx, "%s %sline self-tests\n", |
538 | rc == 0 ? "passed" : "failed", | |
539 | (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); | |
3273c2e8 BH |
540 | |
541 | fail2: | |
542 | fail1: | |
543 | /* Fill ethtool results structures */ | |
544 | efx_ethtool_fill_self_tests(efx, &efx_tests, NULL, data); | |
545 | if (rc) | |
546 | test->flags |= ETH_TEST_FL_FAILED; | |
547 | } | |
548 | ||
8ceee660 BH |
549 | /* Restart autonegotiation */ |
550 | static int efx_ethtool_nway_reset(struct net_device *net_dev) | |
551 | { | |
767e468c | 552 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 553 | |
68e7f45e | 554 | return mdio45_nway_restart(&efx->mdio); |
8ceee660 BH |
555 | } |
556 | ||
557 | static u32 efx_ethtool_get_link(struct net_device *net_dev) | |
558 | { | |
767e468c | 559 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 560 | |
eb50c0d6 | 561 | return efx->link_state.up; |
8ceee660 BH |
562 | } |
563 | ||
4a5b504d BH |
564 | static int efx_ethtool_get_eeprom_len(struct net_device *net_dev) |
565 | { | |
566 | struct efx_nic *efx = netdev_priv(net_dev); | |
567 | struct efx_spi_device *spi = efx->spi_eeprom; | |
568 | ||
569 | if (!spi) | |
570 | return 0; | |
0a95f563 BH |
571 | return min(spi->size, EFX_EEPROM_BOOTCONFIG_END) - |
572 | min(spi->size, EFX_EEPROM_BOOTCONFIG_START); | |
4a5b504d BH |
573 | } |
574 | ||
575 | static int efx_ethtool_get_eeprom(struct net_device *net_dev, | |
576 | struct ethtool_eeprom *eeprom, u8 *buf) | |
577 | { | |
578 | struct efx_nic *efx = netdev_priv(net_dev); | |
579 | struct efx_spi_device *spi = efx->spi_eeprom; | |
580 | size_t len; | |
581 | int rc; | |
582 | ||
ca54a9f5 BH |
583 | rc = mutex_lock_interruptible(&efx->spi_lock); |
584 | if (rc) | |
585 | return rc; | |
76884835 BH |
586 | rc = falcon_spi_read(efx, spi, |
587 | 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->magic = EFX_ETHTOOL_EEPROM_MAGIC; |
592 | eeprom->len = len; | |
593 | return rc; | |
594 | } | |
595 | ||
596 | static int efx_ethtool_set_eeprom(struct net_device *net_dev, | |
597 | struct ethtool_eeprom *eeprom, u8 *buf) | |
598 | { | |
599 | struct efx_nic *efx = netdev_priv(net_dev); | |
600 | struct efx_spi_device *spi = efx->spi_eeprom; | |
601 | size_t len; | |
602 | int rc; | |
603 | ||
604 | if (eeprom->magic != EFX_ETHTOOL_EEPROM_MAGIC) | |
605 | return -EINVAL; | |
606 | ||
ca54a9f5 BH |
607 | rc = mutex_lock_interruptible(&efx->spi_lock); |
608 | if (rc) | |
609 | return rc; | |
76884835 BH |
610 | rc = falcon_spi_write(efx, spi, |
611 | eeprom->offset + EFX_EEPROM_BOOTCONFIG_START, | |
4a5b504d | 612 | eeprom->len, &len, buf); |
f4150724 | 613 | mutex_unlock(&efx->spi_lock); |
ca54a9f5 | 614 | |
4a5b504d BH |
615 | eeprom->len = len; |
616 | return rc; | |
617 | } | |
618 | ||
8ceee660 BH |
619 | static int efx_ethtool_get_coalesce(struct net_device *net_dev, |
620 | struct ethtool_coalesce *coalesce) | |
621 | { | |
767e468c | 622 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 623 | struct efx_tx_queue *tx_queue; |
8ceee660 BH |
624 | struct efx_channel *channel; |
625 | ||
626 | memset(coalesce, 0, sizeof(*coalesce)); | |
627 | ||
628 | /* Find lowest IRQ moderation across all used TX queues */ | |
629 | coalesce->tx_coalesce_usecs_irq = ~((u32) 0); | |
630 | efx_for_each_tx_queue(tx_queue, efx) { | |
631 | channel = tx_queue->channel; | |
632 | if (channel->irq_moderation < coalesce->tx_coalesce_usecs_irq) { | |
633 | if (channel->used_flags != EFX_USED_BY_RX_TX) | |
634 | coalesce->tx_coalesce_usecs_irq = | |
635 | channel->irq_moderation; | |
636 | else | |
637 | coalesce->tx_coalesce_usecs_irq = 0; | |
638 | } | |
639 | } | |
640 | ||
6fb70fd1 BH |
641 | coalesce->use_adaptive_rx_coalesce = efx->irq_rx_adaptive; |
642 | coalesce->rx_coalesce_usecs_irq = efx->irq_rx_moderation; | |
8ceee660 | 643 | |
152b6a62 BH |
644 | coalesce->tx_coalesce_usecs_irq *= EFX_IRQ_MOD_RESOLUTION; |
645 | coalesce->rx_coalesce_usecs_irq *= EFX_IRQ_MOD_RESOLUTION; | |
0d86ebd8 | 646 | |
8ceee660 BH |
647 | return 0; |
648 | } | |
649 | ||
650 | /* Set coalescing parameters | |
651 | * The difficulties occur for shared channels | |
652 | */ | |
653 | static int efx_ethtool_set_coalesce(struct net_device *net_dev, | |
654 | struct ethtool_coalesce *coalesce) | |
655 | { | |
767e468c | 656 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
657 | struct efx_channel *channel; |
658 | struct efx_tx_queue *tx_queue; | |
6fb70fd1 | 659 | unsigned tx_usecs, rx_usecs, adaptive; |
8ceee660 | 660 | |
6fb70fd1 | 661 | if (coalesce->use_adaptive_tx_coalesce) |
8ceee660 BH |
662 | return -EOPNOTSUPP; |
663 | ||
664 | if (coalesce->rx_coalesce_usecs || coalesce->tx_coalesce_usecs) { | |
665 | EFX_ERR(efx, "invalid coalescing setting. " | |
666 | "Only rx/tx_coalesce_usecs_irq are supported\n"); | |
667 | return -EOPNOTSUPP; | |
668 | } | |
669 | ||
670 | rx_usecs = coalesce->rx_coalesce_usecs_irq; | |
671 | tx_usecs = coalesce->tx_coalesce_usecs_irq; | |
6fb70fd1 | 672 | adaptive = coalesce->use_adaptive_rx_coalesce; |
8ceee660 BH |
673 | |
674 | /* If the channel is shared only allow RX parameters to be set */ | |
675 | efx_for_each_tx_queue(tx_queue, efx) { | |
676 | if ((tx_queue->channel->used_flags == EFX_USED_BY_RX_TX) && | |
677 | tx_usecs) { | |
678 | EFX_ERR(efx, "Channel is shared. " | |
679 | "Only RX coalescing may be set\n"); | |
680 | return -EOPNOTSUPP; | |
681 | } | |
682 | } | |
683 | ||
6fb70fd1 | 684 | efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive); |
8ceee660 | 685 | efx_for_each_channel(channel, efx) |
ef2b90ee | 686 | efx->type->push_irq_moderation(channel); |
8ceee660 BH |
687 | |
688 | return 0; | |
689 | } | |
690 | ||
691 | static int efx_ethtool_set_pauseparam(struct net_device *net_dev, | |
692 | struct ethtool_pauseparam *pause) | |
693 | { | |
767e468c | 694 | struct efx_nic *efx = netdev_priv(net_dev); |
d3245b28 BH |
695 | enum efx_fc_type wanted_fc, old_fc; |
696 | u32 old_adv; | |
04cc8cac | 697 | bool reset; |
d3245b28 BH |
698 | int rc = 0; |
699 | ||
700 | mutex_lock(&efx->mac_lock); | |
8ceee660 | 701 | |
04cc8cac BH |
702 | wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) | |
703 | (pause->tx_pause ? EFX_FC_TX : 0) | | |
704 | (pause->autoneg ? EFX_FC_AUTO : 0)); | |
705 | ||
706 | if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) { | |
707 | EFX_LOG(efx, "Flow control unsupported: tx ON rx OFF\n"); | |
d3245b28 BH |
708 | rc = -EINVAL; |
709 | goto out; | |
04cc8cac BH |
710 | } |
711 | ||
d3245b28 BH |
712 | if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising) { |
713 | EFX_LOG(efx, "Autonegotiation is disabled\n"); | |
714 | rc = -EINVAL; | |
715 | goto out; | |
04cc8cac BH |
716 | } |
717 | ||
718 | /* TX flow control may automatically turn itself off if the | |
719 | * link partner (intermittently) stops responding to pause | |
720 | * frames. There isn't any indication that this has happened, | |
721 | * so the best we do is leave it up to the user to spot this | |
722 | * and fix it be cycling transmit flow control on this end. */ | |
723 | reset = (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX); | |
724 | if (EFX_WORKAROUND_11482(efx) && reset) { | |
daeda630 | 725 | if (efx_nic_rev(efx) == EFX_REV_FALCON_B0) { |
04cc8cac | 726 | /* Recover by resetting the EM block */ |
d3245b28 BH |
727 | falcon_stop_nic_stats(efx); |
728 | falcon_drain_tx_fifo(efx); | |
729 | efx->mac_op->reconfigure(efx); | |
730 | falcon_start_nic_stats(efx); | |
04cc8cac BH |
731 | } else { |
732 | /* Schedule a reset to recover */ | |
733 | efx_schedule_reset(efx, RESET_TYPE_INVISIBLE); | |
734 | } | |
735 | } | |
736 | ||
d3245b28 BH |
737 | old_adv = efx->link_advertising; |
738 | old_fc = efx->wanted_fc; | |
739 | efx_link_set_wanted_fc(efx, wanted_fc); | |
740 | if (efx->link_advertising != old_adv || | |
741 | (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) { | |
742 | rc = efx->phy_op->reconfigure(efx); | |
743 | if (rc) { | |
744 | EFX_ERR(efx, "Unable to advertise requested flow " | |
745 | "control setting\n"); | |
746 | goto out; | |
747 | } | |
748 | } | |
04cc8cac | 749 | |
d3245b28 BH |
750 | /* Reconfigure the MAC. The PHY *may* generate a link state change event |
751 | * if the user just changed the advertised capabilities, but there's no | |
752 | * harm doing this twice */ | |
753 | efx->mac_op->reconfigure(efx); | |
04cc8cac | 754 | |
d3245b28 | 755 | out: |
04cc8cac | 756 | mutex_unlock(&efx->mac_lock); |
8ceee660 | 757 | |
d3245b28 | 758 | return rc; |
8ceee660 BH |
759 | } |
760 | ||
761 | static void efx_ethtool_get_pauseparam(struct net_device *net_dev, | |
762 | struct ethtool_pauseparam *pause) | |
763 | { | |
767e468c | 764 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 765 | |
04cc8cac BH |
766 | pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX); |
767 | pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX); | |
768 | pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO); | |
8ceee660 BH |
769 | } |
770 | ||
771 | ||
89c758fa BH |
772 | static void efx_ethtool_get_wol(struct net_device *net_dev, |
773 | struct ethtool_wolinfo *wol) | |
774 | { | |
775 | struct efx_nic *efx = netdev_priv(net_dev); | |
776 | return efx->type->get_wol(efx, wol); | |
777 | } | |
778 | ||
779 | ||
780 | static int efx_ethtool_set_wol(struct net_device *net_dev, | |
781 | struct ethtool_wolinfo *wol) | |
782 | { | |
783 | struct efx_nic *efx = netdev_priv(net_dev); | |
784 | return efx->type->set_wol(efx, wol->wolopts); | |
785 | } | |
786 | ||
eb9f6744 BH |
787 | extern int efx_ethtool_reset(struct net_device *net_dev, u32 *flags) |
788 | { | |
789 | struct efx_nic *efx = netdev_priv(net_dev); | |
790 | enum reset_type method; | |
791 | enum { | |
792 | ETH_RESET_EFX_INVISIBLE = (ETH_RESET_DMA | ETH_RESET_FILTER | | |
793 | ETH_RESET_OFFLOAD | ETH_RESET_MAC) | |
794 | }; | |
795 | ||
796 | /* Check for minimal reset flags */ | |
797 | if ((*flags & ETH_RESET_EFX_INVISIBLE) != ETH_RESET_EFX_INVISIBLE) | |
798 | return -EINVAL; | |
799 | *flags ^= ETH_RESET_EFX_INVISIBLE; | |
800 | method = RESET_TYPE_INVISIBLE; | |
801 | ||
802 | if (*flags & ETH_RESET_PHY) { | |
803 | *flags ^= ETH_RESET_PHY; | |
804 | method = RESET_TYPE_ALL; | |
805 | } | |
806 | ||
807 | if ((*flags & efx->type->reset_world_flags) == | |
808 | efx->type->reset_world_flags) { | |
809 | *flags ^= efx->type->reset_world_flags; | |
810 | method = RESET_TYPE_WORLD; | |
811 | } | |
812 | ||
813 | return efx_reset(efx, method); | |
814 | } | |
815 | ||
0fc0b732 | 816 | const struct ethtool_ops efx_ethtool_ops = { |
8ceee660 BH |
817 | .get_settings = efx_ethtool_get_settings, |
818 | .set_settings = efx_ethtool_set_settings, | |
819 | .get_drvinfo = efx_ethtool_get_drvinfo, | |
820 | .nway_reset = efx_ethtool_nway_reset, | |
821 | .get_link = efx_ethtool_get_link, | |
4a5b504d BH |
822 | .get_eeprom_len = efx_ethtool_get_eeprom_len, |
823 | .get_eeprom = efx_ethtool_get_eeprom, | |
824 | .set_eeprom = efx_ethtool_set_eeprom, | |
8ceee660 BH |
825 | .get_coalesce = efx_ethtool_get_coalesce, |
826 | .set_coalesce = efx_ethtool_set_coalesce, | |
827 | .get_pauseparam = efx_ethtool_get_pauseparam, | |
828 | .set_pauseparam = efx_ethtool_set_pauseparam, | |
829 | .get_rx_csum = efx_ethtool_get_rx_csum, | |
830 | .set_rx_csum = efx_ethtool_set_rx_csum, | |
831 | .get_tx_csum = ethtool_op_get_tx_csum, | |
c383b537 BH |
832 | /* Need to enable/disable IPv6 too */ |
833 | .set_tx_csum = efx_ethtool_set_tx_csum, | |
8ceee660 BH |
834 | .get_sg = ethtool_op_get_sg, |
835 | .set_sg = ethtool_op_set_sg, | |
b9b39b62 | 836 | .get_tso = ethtool_op_get_tso, |
60ac1065 | 837 | .set_tso = ethtool_op_set_tso, |
8ceee660 BH |
838 | .get_flags = ethtool_op_get_flags, |
839 | .set_flags = ethtool_op_set_flags, | |
3594e131 | 840 | .get_sset_count = efx_ethtool_get_sset_count, |
3273c2e8 | 841 | .self_test = efx_ethtool_self_test, |
8ceee660 BH |
842 | .get_strings = efx_ethtool_get_strings, |
843 | .phys_id = efx_ethtool_phys_id, | |
8ceee660 | 844 | .get_ethtool_stats = efx_ethtool_get_stats, |
89c758fa BH |
845 | .get_wol = efx_ethtool_get_wol, |
846 | .set_wol = efx_ethtool_set_wol, | |
eb9f6744 | 847 | .reset = efx_ethtool_reset, |
8ceee660 | 848 | }; |