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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" |
8ceee660 | 18 | #include "falcon.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 { |
44838a44 | 177 | falcon_board(efx)->type->set_id_led(efx, EFX_LED_ON); |
398468ed BH |
178 | schedule_timeout_interruptible(HZ / 2); |
179 | ||
44838a44 | 180 | falcon_board(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 | ||
44838a44 | 184 | falcon_board(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)); | |
239 | strlcpy(info->bus_info, pci_name(efx->pci_dev), sizeof(info->bus_info)); | |
240 | } | |
241 | ||
3273c2e8 BH |
242 | /** |
243 | * efx_fill_test - fill in an individual self-test entry | |
244 | * @test_index: Index of the test | |
245 | * @strings: Ethtool strings, or %NULL | |
246 | * @data: Ethtool test results, or %NULL | |
247 | * @test: Pointer to test result (used only if data != %NULL) | |
740ced99 BH |
248 | * @unit_format: Unit name format (e.g. "chan\%d") |
249 | * @unit_id: Unit id (e.g. 0 for "chan0") | |
3273c2e8 | 250 | * @test_format: Test name format (e.g. "loopback.\%s.tx.sent") |
740ced99 | 251 | * @test_id: Test id (e.g. "PHYXS" for "loopback.PHYXS.tx_sent") |
3273c2e8 BH |
252 | * |
253 | * Fill in an individual self-test entry. | |
254 | */ | |
255 | static void efx_fill_test(unsigned int test_index, | |
256 | struct ethtool_string *strings, u64 *data, | |
257 | int *test, const char *unit_format, int unit_id, | |
258 | const char *test_format, const char *test_id) | |
259 | { | |
260 | struct ethtool_string unit_str, test_str; | |
261 | ||
262 | /* Fill data value, if applicable */ | |
263 | if (data) | |
264 | data[test_index] = *test; | |
265 | ||
266 | /* Fill string, if applicable */ | |
267 | if (strings) { | |
11e66966 BH |
268 | if (strchr(unit_format, '%')) |
269 | snprintf(unit_str.name, sizeof(unit_str.name), | |
270 | unit_format, unit_id); | |
271 | else | |
272 | strcpy(unit_str.name, unit_format); | |
3273c2e8 BH |
273 | snprintf(test_str.name, sizeof(test_str.name), |
274 | test_format, test_id); | |
275 | snprintf(strings[test_index].name, | |
276 | sizeof(strings[test_index].name), | |
740ced99 | 277 | "%-6s %-24s", unit_str.name, test_str.name); |
3273c2e8 BH |
278 | } |
279 | } | |
280 | ||
740ced99 | 281 | #define EFX_CHANNEL_NAME(_channel) "chan%d", _channel->channel |
3273c2e8 BH |
282 | #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue |
283 | #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue | |
284 | #define EFX_LOOPBACK_NAME(_mode, _counter) \ | |
c459302d | 285 | "loopback.%s." _counter, STRING_TABLE_LOOKUP(_mode, efx_loopback_mode) |
3273c2e8 BH |
286 | |
287 | /** | |
288 | * efx_fill_loopback_test - fill in a block of loopback self-test entries | |
289 | * @efx: Efx NIC | |
290 | * @lb_tests: Efx loopback self-test results structure | |
291 | * @mode: Loopback test mode | |
292 | * @test_index: Starting index of the test | |
293 | * @strings: Ethtool strings, or %NULL | |
294 | * @data: Ethtool test results, or %NULL | |
295 | */ | |
296 | static int efx_fill_loopback_test(struct efx_nic *efx, | |
297 | struct efx_loopback_self_tests *lb_tests, | |
298 | enum efx_loopback_mode mode, | |
299 | unsigned int test_index, | |
300 | struct ethtool_string *strings, u64 *data) | |
301 | { | |
302 | struct efx_tx_queue *tx_queue; | |
303 | ||
304 | efx_for_each_tx_queue(tx_queue, efx) { | |
305 | efx_fill_test(test_index++, strings, data, | |
306 | &lb_tests->tx_sent[tx_queue->queue], | |
307 | EFX_TX_QUEUE_NAME(tx_queue), | |
308 | EFX_LOOPBACK_NAME(mode, "tx_sent")); | |
309 | efx_fill_test(test_index++, strings, data, | |
310 | &lb_tests->tx_done[tx_queue->queue], | |
311 | EFX_TX_QUEUE_NAME(tx_queue), | |
312 | EFX_LOOPBACK_NAME(mode, "tx_done")); | |
313 | } | |
314 | efx_fill_test(test_index++, strings, data, | |
315 | &lb_tests->rx_good, | |
11e66966 | 316 | "rx", 0, |
3273c2e8 BH |
317 | EFX_LOOPBACK_NAME(mode, "rx_good")); |
318 | efx_fill_test(test_index++, strings, data, | |
319 | &lb_tests->rx_bad, | |
11e66966 | 320 | "rx", 0, |
3273c2e8 BH |
321 | EFX_LOOPBACK_NAME(mode, "rx_bad")); |
322 | ||
323 | return test_index; | |
324 | } | |
325 | ||
326 | /** | |
327 | * efx_ethtool_fill_self_tests - get self-test details | |
328 | * @efx: Efx NIC | |
329 | * @tests: Efx self-test results structure, or %NULL | |
330 | * @strings: Ethtool strings, or %NULL | |
331 | * @data: Ethtool test results, or %NULL | |
332 | */ | |
333 | static int efx_ethtool_fill_self_tests(struct efx_nic *efx, | |
334 | struct efx_self_tests *tests, | |
335 | struct ethtool_string *strings, | |
336 | u64 *data) | |
337 | { | |
338 | struct efx_channel *channel; | |
1796721a | 339 | unsigned int n = 0, i; |
3273c2e8 BH |
340 | enum efx_loopback_mode mode; |
341 | ||
68e7f45e BH |
342 | efx_fill_test(n++, strings, data, &tests->mdio, |
343 | "core", 0, "mdio", NULL); | |
8c8661e4 BH |
344 | efx_fill_test(n++, strings, data, &tests->nvram, |
345 | "core", 0, "nvram", NULL); | |
3273c2e8 BH |
346 | efx_fill_test(n++, strings, data, &tests->interrupt, |
347 | "core", 0, "interrupt", NULL); | |
348 | ||
349 | /* Event queues */ | |
350 | efx_for_each_channel(channel, efx) { | |
351 | efx_fill_test(n++, strings, data, | |
352 | &tests->eventq_dma[channel->channel], | |
353 | EFX_CHANNEL_NAME(channel), | |
354 | "eventq.dma", NULL); | |
355 | efx_fill_test(n++, strings, data, | |
356 | &tests->eventq_int[channel->channel], | |
357 | EFX_CHANNEL_NAME(channel), | |
358 | "eventq.int", NULL); | |
359 | efx_fill_test(n++, strings, data, | |
360 | &tests->eventq_poll[channel->channel], | |
361 | EFX_CHANNEL_NAME(channel), | |
362 | "eventq.poll", NULL); | |
363 | } | |
364 | ||
8c8661e4 BH |
365 | efx_fill_test(n++, strings, data, &tests->registers, |
366 | "core", 0, "registers", NULL); | |
1796721a BH |
367 | |
368 | for (i = 0; i < efx->phy_op->num_tests; i++) | |
369 | efx_fill_test(n++, strings, data, &tests->phy[i], | |
370 | "phy", 0, efx->phy_op->test_names[i], NULL); | |
3273c2e8 BH |
371 | |
372 | /* Loopback tests */ | |
8c8661e4 | 373 | for (mode = LOOPBACK_NONE; mode <= LOOPBACK_TEST_MAX; mode++) { |
3273c2e8 BH |
374 | if (!(efx->loopback_modes & (1 << mode))) |
375 | continue; | |
376 | n = efx_fill_loopback_test(efx, | |
377 | &tests->loopback[mode], mode, n, | |
378 | strings, data); | |
379 | } | |
380 | ||
381 | return n; | |
382 | } | |
383 | ||
3594e131 BH |
384 | static int efx_ethtool_get_sset_count(struct net_device *net_dev, |
385 | int string_set) | |
8ceee660 | 386 | { |
3594e131 BH |
387 | switch (string_set) { |
388 | case ETH_SS_STATS: | |
389 | return EFX_ETHTOOL_NUM_STATS; | |
390 | case ETH_SS_TEST: | |
391 | return efx_ethtool_fill_self_tests(netdev_priv(net_dev), | |
392 | NULL, NULL, NULL); | |
393 | default: | |
394 | return -EINVAL; | |
395 | } | |
3273c2e8 BH |
396 | } |
397 | ||
8ceee660 BH |
398 | static void efx_ethtool_get_strings(struct net_device *net_dev, |
399 | u32 string_set, u8 *strings) | |
400 | { | |
767e468c | 401 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
402 | struct ethtool_string *ethtool_strings = |
403 | (struct ethtool_string *)strings; | |
404 | int i; | |
405 | ||
3273c2e8 BH |
406 | switch (string_set) { |
407 | case ETH_SS_STATS: | |
8ceee660 BH |
408 | for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) |
409 | strncpy(ethtool_strings[i].name, | |
410 | efx_ethtool_stats[i].name, | |
411 | sizeof(ethtool_strings[i].name)); | |
3273c2e8 BH |
412 | break; |
413 | case ETH_SS_TEST: | |
414 | efx_ethtool_fill_self_tests(efx, NULL, | |
415 | ethtool_strings, NULL); | |
416 | break; | |
417 | default: | |
418 | /* No other string sets */ | |
419 | break; | |
420 | } | |
8ceee660 BH |
421 | } |
422 | ||
423 | static void efx_ethtool_get_stats(struct net_device *net_dev, | |
424 | struct ethtool_stats *stats, | |
425 | u64 *data) | |
426 | { | |
767e468c | 427 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
428 | struct efx_mac_stats *mac_stats = &efx->mac_stats; |
429 | struct efx_ethtool_stat *stat; | |
430 | struct efx_channel *channel; | |
431 | int i; | |
432 | ||
433 | EFX_BUG_ON_PARANOID(stats->n_stats != EFX_ETHTOOL_NUM_STATS); | |
434 | ||
435 | /* Update MAC and NIC statistics */ | |
eeda3fd6 | 436 | dev_get_stats(net_dev); |
8ceee660 BH |
437 | |
438 | /* Fill detailed statistics buffer */ | |
439 | for (i = 0; i < EFX_ETHTOOL_NUM_STATS; i++) { | |
440 | stat = &efx_ethtool_stats[i]; | |
441 | switch (stat->source) { | |
442 | case EFX_ETHTOOL_STAT_SOURCE_mac_stats: | |
443 | data[i] = stat->get_stat((void *)mac_stats + | |
444 | stat->offset); | |
445 | break; | |
446 | case EFX_ETHTOOL_STAT_SOURCE_nic: | |
447 | data[i] = stat->get_stat((void *)efx + stat->offset); | |
448 | break; | |
449 | case EFX_ETHTOOL_STAT_SOURCE_channel: | |
450 | data[i] = 0; | |
451 | efx_for_each_channel(channel, efx) | |
452 | data[i] += stat->get_stat((void *)channel + | |
453 | stat->offset); | |
454 | break; | |
455 | } | |
456 | } | |
457 | } | |
458 | ||
8ceee660 BH |
459 | static int efx_ethtool_set_rx_csum(struct net_device *net_dev, u32 enable) |
460 | { | |
767e468c | 461 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
462 | |
463 | /* No way to stop the hardware doing the checks; we just | |
464 | * ignore the result. | |
465 | */ | |
dc8cfa55 | 466 | efx->rx_checksum_enabled = !!enable; |
8ceee660 BH |
467 | |
468 | return 0; | |
469 | } | |
470 | ||
471 | static u32 efx_ethtool_get_rx_csum(struct net_device *net_dev) | |
472 | { | |
767e468c | 473 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
474 | |
475 | return efx->rx_checksum_enabled; | |
476 | } | |
477 | ||
3273c2e8 BH |
478 | static void efx_ethtool_self_test(struct net_device *net_dev, |
479 | struct ethtool_test *test, u64 *data) | |
480 | { | |
767e468c | 481 | struct efx_nic *efx = netdev_priv(net_dev); |
3273c2e8 | 482 | struct efx_self_tests efx_tests; |
2ef3068e | 483 | int already_up; |
3273c2e8 BH |
484 | int rc; |
485 | ||
486 | ASSERT_RTNL(); | |
487 | if (efx->state != STATE_RUNNING) { | |
488 | rc = -EIO; | |
489 | goto fail1; | |
490 | } | |
491 | ||
492 | /* We need rx buffers and interrupts. */ | |
493 | already_up = (efx->net_dev->flags & IFF_UP); | |
494 | if (!already_up) { | |
495 | rc = dev_open(efx->net_dev); | |
496 | if (rc) { | |
497 | EFX_ERR(efx, "failed opening device.\n"); | |
498 | goto fail2; | |
499 | } | |
500 | } | |
501 | ||
502 | memset(&efx_tests, 0, sizeof(efx_tests)); | |
3273c2e8 | 503 | |
2ef3068e | 504 | rc = efx_selftest(efx, &efx_tests, test->flags); |
3273c2e8 | 505 | |
3273c2e8 BH |
506 | if (!already_up) |
507 | dev_close(efx->net_dev); | |
508 | ||
2ef3068e BH |
509 | EFX_LOG(efx, "%s %sline self-tests\n", |
510 | rc == 0 ? "passed" : "failed", | |
511 | (test->flags & ETH_TEST_FL_OFFLINE) ? "off" : "on"); | |
3273c2e8 BH |
512 | |
513 | fail2: | |
514 | fail1: | |
515 | /* Fill ethtool results structures */ | |
516 | efx_ethtool_fill_self_tests(efx, &efx_tests, NULL, data); | |
517 | if (rc) | |
518 | test->flags |= ETH_TEST_FL_FAILED; | |
519 | } | |
520 | ||
8ceee660 BH |
521 | /* Restart autonegotiation */ |
522 | static int efx_ethtool_nway_reset(struct net_device *net_dev) | |
523 | { | |
767e468c | 524 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 525 | |
68e7f45e | 526 | return mdio45_nway_restart(&efx->mdio); |
8ceee660 BH |
527 | } |
528 | ||
529 | static u32 efx_ethtool_get_link(struct net_device *net_dev) | |
530 | { | |
767e468c | 531 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 532 | |
eb50c0d6 | 533 | return efx->link_state.up; |
8ceee660 BH |
534 | } |
535 | ||
4a5b504d BH |
536 | static int efx_ethtool_get_eeprom_len(struct net_device *net_dev) |
537 | { | |
538 | struct efx_nic *efx = netdev_priv(net_dev); | |
539 | struct efx_spi_device *spi = efx->spi_eeprom; | |
540 | ||
541 | if (!spi) | |
542 | return 0; | |
0a95f563 BH |
543 | return min(spi->size, EFX_EEPROM_BOOTCONFIG_END) - |
544 | min(spi->size, EFX_EEPROM_BOOTCONFIG_START); | |
4a5b504d BH |
545 | } |
546 | ||
547 | static int efx_ethtool_get_eeprom(struct net_device *net_dev, | |
548 | struct ethtool_eeprom *eeprom, u8 *buf) | |
549 | { | |
550 | struct efx_nic *efx = netdev_priv(net_dev); | |
551 | struct efx_spi_device *spi = efx->spi_eeprom; | |
552 | size_t len; | |
553 | int rc; | |
554 | ||
ca54a9f5 BH |
555 | rc = mutex_lock_interruptible(&efx->spi_lock); |
556 | if (rc) | |
557 | return rc; | |
0a95f563 | 558 | rc = falcon_spi_read(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START, |
4a5b504d | 559 | eeprom->len, &len, buf); |
f4150724 | 560 | mutex_unlock(&efx->spi_lock); |
ca54a9f5 | 561 | |
4a5b504d BH |
562 | eeprom->magic = EFX_ETHTOOL_EEPROM_MAGIC; |
563 | eeprom->len = len; | |
564 | return rc; | |
565 | } | |
566 | ||
567 | static int efx_ethtool_set_eeprom(struct net_device *net_dev, | |
568 | struct ethtool_eeprom *eeprom, u8 *buf) | |
569 | { | |
570 | struct efx_nic *efx = netdev_priv(net_dev); | |
571 | struct efx_spi_device *spi = efx->spi_eeprom; | |
572 | size_t len; | |
573 | int rc; | |
574 | ||
575 | if (eeprom->magic != EFX_ETHTOOL_EEPROM_MAGIC) | |
576 | return -EINVAL; | |
577 | ||
ca54a9f5 BH |
578 | rc = mutex_lock_interruptible(&efx->spi_lock); |
579 | if (rc) | |
580 | return rc; | |
0a95f563 | 581 | rc = falcon_spi_write(spi, eeprom->offset + EFX_EEPROM_BOOTCONFIG_START, |
4a5b504d | 582 | eeprom->len, &len, buf); |
f4150724 | 583 | mutex_unlock(&efx->spi_lock); |
ca54a9f5 | 584 | |
4a5b504d BH |
585 | eeprom->len = len; |
586 | return rc; | |
587 | } | |
588 | ||
8ceee660 BH |
589 | static int efx_ethtool_get_coalesce(struct net_device *net_dev, |
590 | struct ethtool_coalesce *coalesce) | |
591 | { | |
767e468c | 592 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 593 | struct efx_tx_queue *tx_queue; |
8ceee660 BH |
594 | struct efx_channel *channel; |
595 | ||
596 | memset(coalesce, 0, sizeof(*coalesce)); | |
597 | ||
598 | /* Find lowest IRQ moderation across all used TX queues */ | |
599 | coalesce->tx_coalesce_usecs_irq = ~((u32) 0); | |
600 | efx_for_each_tx_queue(tx_queue, efx) { | |
601 | channel = tx_queue->channel; | |
602 | if (channel->irq_moderation < coalesce->tx_coalesce_usecs_irq) { | |
603 | if (channel->used_flags != EFX_USED_BY_RX_TX) | |
604 | coalesce->tx_coalesce_usecs_irq = | |
605 | channel->irq_moderation; | |
606 | else | |
607 | coalesce->tx_coalesce_usecs_irq = 0; | |
608 | } | |
609 | } | |
610 | ||
6fb70fd1 BH |
611 | coalesce->use_adaptive_rx_coalesce = efx->irq_rx_adaptive; |
612 | coalesce->rx_coalesce_usecs_irq = efx->irq_rx_moderation; | |
8ceee660 | 613 | |
0d86ebd8 BH |
614 | coalesce->tx_coalesce_usecs_irq *= FALCON_IRQ_MOD_RESOLUTION; |
615 | coalesce->rx_coalesce_usecs_irq *= FALCON_IRQ_MOD_RESOLUTION; | |
616 | ||
8ceee660 BH |
617 | return 0; |
618 | } | |
619 | ||
620 | /* Set coalescing parameters | |
621 | * The difficulties occur for shared channels | |
622 | */ | |
623 | static int efx_ethtool_set_coalesce(struct net_device *net_dev, | |
624 | struct ethtool_coalesce *coalesce) | |
625 | { | |
767e468c | 626 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 BH |
627 | struct efx_channel *channel; |
628 | struct efx_tx_queue *tx_queue; | |
6fb70fd1 | 629 | unsigned tx_usecs, rx_usecs, adaptive; |
8ceee660 | 630 | |
6fb70fd1 | 631 | if (coalesce->use_adaptive_tx_coalesce) |
8ceee660 BH |
632 | return -EOPNOTSUPP; |
633 | ||
634 | if (coalesce->rx_coalesce_usecs || coalesce->tx_coalesce_usecs) { | |
635 | EFX_ERR(efx, "invalid coalescing setting. " | |
636 | "Only rx/tx_coalesce_usecs_irq are supported\n"); | |
637 | return -EOPNOTSUPP; | |
638 | } | |
639 | ||
640 | rx_usecs = coalesce->rx_coalesce_usecs_irq; | |
641 | tx_usecs = coalesce->tx_coalesce_usecs_irq; | |
6fb70fd1 | 642 | adaptive = coalesce->use_adaptive_rx_coalesce; |
8ceee660 BH |
643 | |
644 | /* If the channel is shared only allow RX parameters to be set */ | |
645 | efx_for_each_tx_queue(tx_queue, efx) { | |
646 | if ((tx_queue->channel->used_flags == EFX_USED_BY_RX_TX) && | |
647 | tx_usecs) { | |
648 | EFX_ERR(efx, "Channel is shared. " | |
649 | "Only RX coalescing may be set\n"); | |
650 | return -EOPNOTSUPP; | |
651 | } | |
652 | } | |
653 | ||
6fb70fd1 | 654 | efx_init_irq_moderation(efx, tx_usecs, rx_usecs, adaptive); |
8ceee660 | 655 | efx_for_each_channel(channel, efx) |
ef2b90ee | 656 | efx->type->push_irq_moderation(channel); |
8ceee660 BH |
657 | |
658 | return 0; | |
659 | } | |
660 | ||
661 | static int efx_ethtool_set_pauseparam(struct net_device *net_dev, | |
662 | struct ethtool_pauseparam *pause) | |
663 | { | |
767e468c | 664 | struct efx_nic *efx = netdev_priv(net_dev); |
d3245b28 BH |
665 | enum efx_fc_type wanted_fc, old_fc; |
666 | u32 old_adv; | |
04cc8cac | 667 | bool reset; |
d3245b28 BH |
668 | int rc = 0; |
669 | ||
670 | mutex_lock(&efx->mac_lock); | |
8ceee660 | 671 | |
04cc8cac BH |
672 | wanted_fc = ((pause->rx_pause ? EFX_FC_RX : 0) | |
673 | (pause->tx_pause ? EFX_FC_TX : 0) | | |
674 | (pause->autoneg ? EFX_FC_AUTO : 0)); | |
675 | ||
676 | if ((wanted_fc & EFX_FC_TX) && !(wanted_fc & EFX_FC_RX)) { | |
677 | EFX_LOG(efx, "Flow control unsupported: tx ON rx OFF\n"); | |
d3245b28 BH |
678 | rc = -EINVAL; |
679 | goto out; | |
04cc8cac BH |
680 | } |
681 | ||
d3245b28 BH |
682 | if ((wanted_fc & EFX_FC_AUTO) && !efx->link_advertising) { |
683 | EFX_LOG(efx, "Autonegotiation is disabled\n"); | |
684 | rc = -EINVAL; | |
685 | goto out; | |
04cc8cac BH |
686 | } |
687 | ||
688 | /* TX flow control may automatically turn itself off if the | |
689 | * link partner (intermittently) stops responding to pause | |
690 | * frames. There isn't any indication that this has happened, | |
691 | * so the best we do is leave it up to the user to spot this | |
692 | * and fix it be cycling transmit flow control on this end. */ | |
693 | reset = (wanted_fc & EFX_FC_TX) && !(efx->wanted_fc & EFX_FC_TX); | |
694 | if (EFX_WORKAROUND_11482(efx) && reset) { | |
daeda630 | 695 | if (efx_nic_rev(efx) == EFX_REV_FALCON_B0) { |
04cc8cac | 696 | /* Recover by resetting the EM block */ |
d3245b28 BH |
697 | falcon_stop_nic_stats(efx); |
698 | falcon_drain_tx_fifo(efx); | |
699 | efx->mac_op->reconfigure(efx); | |
700 | falcon_start_nic_stats(efx); | |
04cc8cac BH |
701 | } else { |
702 | /* Schedule a reset to recover */ | |
703 | efx_schedule_reset(efx, RESET_TYPE_INVISIBLE); | |
704 | } | |
705 | } | |
706 | ||
d3245b28 BH |
707 | old_adv = efx->link_advertising; |
708 | old_fc = efx->wanted_fc; | |
709 | efx_link_set_wanted_fc(efx, wanted_fc); | |
710 | if (efx->link_advertising != old_adv || | |
711 | (efx->wanted_fc ^ old_fc) & EFX_FC_AUTO) { | |
712 | rc = efx->phy_op->reconfigure(efx); | |
713 | if (rc) { | |
714 | EFX_ERR(efx, "Unable to advertise requested flow " | |
715 | "control setting\n"); | |
716 | goto out; | |
717 | } | |
718 | } | |
04cc8cac | 719 | |
d3245b28 BH |
720 | /* Reconfigure the MAC. The PHY *may* generate a link state change event |
721 | * if the user just changed the advertised capabilities, but there's no | |
722 | * harm doing this twice */ | |
723 | efx->mac_op->reconfigure(efx); | |
04cc8cac | 724 | |
d3245b28 | 725 | out: |
04cc8cac | 726 | mutex_unlock(&efx->mac_lock); |
8ceee660 | 727 | |
d3245b28 | 728 | return rc; |
8ceee660 BH |
729 | } |
730 | ||
731 | static void efx_ethtool_get_pauseparam(struct net_device *net_dev, | |
732 | struct ethtool_pauseparam *pause) | |
733 | { | |
767e468c | 734 | struct efx_nic *efx = netdev_priv(net_dev); |
8ceee660 | 735 | |
04cc8cac BH |
736 | pause->rx_pause = !!(efx->wanted_fc & EFX_FC_RX); |
737 | pause->tx_pause = !!(efx->wanted_fc & EFX_FC_TX); | |
738 | pause->autoneg = !!(efx->wanted_fc & EFX_FC_AUTO); | |
8ceee660 BH |
739 | } |
740 | ||
741 | ||
89c758fa BH |
742 | static void efx_ethtool_get_wol(struct net_device *net_dev, |
743 | struct ethtool_wolinfo *wol) | |
744 | { | |
745 | struct efx_nic *efx = netdev_priv(net_dev); | |
746 | return efx->type->get_wol(efx, wol); | |
747 | } | |
748 | ||
749 | ||
750 | static int efx_ethtool_set_wol(struct net_device *net_dev, | |
751 | struct ethtool_wolinfo *wol) | |
752 | { | |
753 | struct efx_nic *efx = netdev_priv(net_dev); | |
754 | return efx->type->set_wol(efx, wol->wolopts); | |
755 | } | |
756 | ||
0fc0b732 | 757 | const struct ethtool_ops efx_ethtool_ops = { |
8ceee660 BH |
758 | .get_settings = efx_ethtool_get_settings, |
759 | .set_settings = efx_ethtool_set_settings, | |
760 | .get_drvinfo = efx_ethtool_get_drvinfo, | |
761 | .nway_reset = efx_ethtool_nway_reset, | |
762 | .get_link = efx_ethtool_get_link, | |
4a5b504d BH |
763 | .get_eeprom_len = efx_ethtool_get_eeprom_len, |
764 | .get_eeprom = efx_ethtool_get_eeprom, | |
765 | .set_eeprom = efx_ethtool_set_eeprom, | |
8ceee660 BH |
766 | .get_coalesce = efx_ethtool_get_coalesce, |
767 | .set_coalesce = efx_ethtool_set_coalesce, | |
768 | .get_pauseparam = efx_ethtool_get_pauseparam, | |
769 | .set_pauseparam = efx_ethtool_set_pauseparam, | |
770 | .get_rx_csum = efx_ethtool_get_rx_csum, | |
771 | .set_rx_csum = efx_ethtool_set_rx_csum, | |
772 | .get_tx_csum = ethtool_op_get_tx_csum, | |
60ac1065 | 773 | .set_tx_csum = ethtool_op_set_tx_csum, |
8ceee660 BH |
774 | .get_sg = ethtool_op_get_sg, |
775 | .set_sg = ethtool_op_set_sg, | |
b9b39b62 | 776 | .get_tso = ethtool_op_get_tso, |
60ac1065 | 777 | .set_tso = ethtool_op_set_tso, |
8ceee660 BH |
778 | .get_flags = ethtool_op_get_flags, |
779 | .set_flags = ethtool_op_set_flags, | |
3594e131 | 780 | .get_sset_count = efx_ethtool_get_sset_count, |
3273c2e8 | 781 | .self_test = efx_ethtool_self_test, |
8ceee660 BH |
782 | .get_strings = efx_ethtool_get_strings, |
783 | .phys_id = efx_ethtool_phys_id, | |
8ceee660 | 784 | .get_ethtool_stats = efx_ethtool_get_stats, |
89c758fa BH |
785 | .get_wol = efx_ethtool_get_wol, |
786 | .set_wol = efx_ethtool_set_wol, | |
8ceee660 | 787 | }; |