1 /****************************************************************************
2 * Driver for Solarflare Solarstorm network controllers and boards
3 * Copyright 2005-2006 Fen Systems Ltd.
4 * Copyright 2006-2008 Solarflare Communications Inc.
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.
11 #include <linux/netdevice.h>
12 #include <linux/ethtool.h>
13 #include <linux/rtnetlink.h>
14 #include "net_driver.h"
23 const char *efx_loopback_mode_names
[] = {
24 [LOOPBACK_NONE
] = "NONE",
25 [LOOPBACK_MAC
] = "MAC",
26 [LOOPBACK_XGMII
] = "XGMII",
27 [LOOPBACK_XGXS
] = "XGXS",
28 [LOOPBACK_XAUI
] = "XAUI",
29 [LOOPBACK_PHY
] = "PHY",
30 [LOOPBACK_PHYXS
] = "PHY(XS)",
31 [LOOPBACK_PCS
] = "PHY(PCS)",
32 [LOOPBACK_PMAPMD
] = "PHY(PMAPMD)",
33 [LOOPBACK_NETWORK
] = "NETWORK",
36 struct ethtool_string
{
37 char name
[ETH_GSTRING_LEN
];
40 struct efx_ethtool_stat
{
43 EFX_ETHTOOL_STAT_SOURCE_mac_stats
,
44 EFX_ETHTOOL_STAT_SOURCE_nic
,
45 EFX_ETHTOOL_STAT_SOURCE_channel
48 u64(*get_stat
) (void *field
); /* Reader function */
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) { \
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, \
63 static u64
efx_get_uint_stat(void *field
)
65 return *(unsigned int *)field
;
68 static u64
efx_get_ulong_stat(void *field
)
70 return *(unsigned long *)field
;
73 static u64
efx_get_u64_stat(void *field
)
75 return *(u64
*) field
;
78 static u64
efx_get_atomic_stat(void *field
)
80 return atomic_read((atomic_t
*) field
);
83 #define EFX_ETHTOOL_ULONG_MAC_STAT(field) \
84 EFX_ETHTOOL_STAT(field, mac_stats, field, \
85 unsigned long, efx_get_ulong_stat)
87 #define EFX_ETHTOOL_U64_MAC_STAT(field) \
88 EFX_ETHTOOL_STAT(field, mac_stats, field, \
89 u64, efx_get_u64_stat)
91 #define EFX_ETHTOOL_UINT_NIC_STAT(name) \
92 EFX_ETHTOOL_STAT(name, nic, n_##name, \
93 unsigned int, efx_get_uint_stat)
95 #define EFX_ETHTOOL_ATOMIC_NIC_ERROR_STAT(field) \
96 EFX_ETHTOOL_STAT(field, nic, field, \
97 atomic_t, efx_get_atomic_stat)
99 #define EFX_ETHTOOL_UINT_CHANNEL_STAT(field) \
100 EFX_ETHTOOL_STAT(field, channel, n_##field, \
101 unsigned int, efx_get_uint_stat)
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
),
172 /* Number of ethtool statistics */
173 #define EFX_ETHTOOL_NUM_STATS ARRAY_SIZE(efx_ethtool_stats)
175 /* EEPROM range with gPXE configuration */
176 #define EFX_ETHTOOL_EEPROM_MAGIC 0xEFAB
177 #define EFX_ETHTOOL_EEPROM_MIN 0x100U
178 #define EFX_ETHTOOL_EEPROM_MAX 0x400U
180 /**************************************************************************
184 **************************************************************************
187 /* Identify device by flashing LEDs */
188 static int efx_ethtool_phys_id(struct net_device
*net_dev
, u32 seconds
)
190 struct efx_nic
*efx
= netdev_priv(net_dev
);
192 efx
->board_info
.blink(efx
, 1);
193 schedule_timeout_interruptible(seconds
* HZ
);
194 efx
->board_info
.blink(efx
, 0);
198 /* This must be called with rtnl_lock held. */
199 int efx_ethtool_get_settings(struct net_device
*net_dev
,
200 struct ethtool_cmd
*ecmd
)
202 struct efx_nic
*efx
= netdev_priv(net_dev
);
205 mutex_lock(&efx
->mac_lock
);
206 rc
= falcon_xmac_get_settings(efx
, ecmd
);
207 mutex_unlock(&efx
->mac_lock
);
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
)
216 struct efx_nic
*efx
= netdev_priv(net_dev
);
219 mutex_lock(&efx
->mac_lock
);
220 rc
= falcon_xmac_set_settings(efx
, ecmd
);
221 mutex_unlock(&efx
->mac_lock
);
223 efx_reconfigure_port(efx
);
228 static void efx_ethtool_get_drvinfo(struct net_device
*net_dev
,
229 struct ethtool_drvinfo
*info
)
231 struct efx_nic
*efx
= netdev_priv(net_dev
);
233 strlcpy(info
->driver
, EFX_DRIVER_NAME
, sizeof(info
->driver
));
234 strlcpy(info
->version
, EFX_DRIVER_VERSION
, sizeof(info
->version
));
235 strlcpy(info
->bus_info
, pci_name(efx
->pci_dev
), sizeof(info
->bus_info
));
239 * efx_fill_test - fill in an individual self-test entry
240 * @test_index: Index of the test
241 * @strings: Ethtool strings, or %NULL
242 * @data: Ethtool test results, or %NULL
243 * @test: Pointer to test result (used only if data != %NULL)
244 * @unit_format: Unit name format (e.g. "channel\%d")
245 * @unit_id: Unit id (e.g. 0 for "channel0")
246 * @test_format: Test name format (e.g. "loopback.\%s.tx.sent")
247 * @test_id: Test id (e.g. "PHY" for "loopback.PHY.tx_sent")
249 * Fill in an individual self-test entry.
251 static void efx_fill_test(unsigned int test_index
,
252 struct ethtool_string
*strings
, u64
*data
,
253 int *test
, const char *unit_format
, int unit_id
,
254 const char *test_format
, const char *test_id
)
256 struct ethtool_string unit_str
, test_str
;
258 /* Fill data value, if applicable */
260 data
[test_index
] = *test
;
262 /* Fill string, if applicable */
264 snprintf(unit_str
.name
, sizeof(unit_str
.name
),
265 unit_format
, unit_id
);
266 snprintf(test_str
.name
, sizeof(test_str
.name
),
267 test_format
, test_id
);
268 snprintf(strings
[test_index
].name
,
269 sizeof(strings
[test_index
].name
),
270 "%-9s%-17s", unit_str
.name
, test_str
.name
);
274 #define EFX_PORT_NAME "port%d", 0
275 #define EFX_CHANNEL_NAME(_channel) "channel%d", _channel->channel
276 #define EFX_TX_QUEUE_NAME(_tx_queue) "txq%d", _tx_queue->queue
277 #define EFX_RX_QUEUE_NAME(_rx_queue) "rxq%d", _rx_queue->queue
278 #define EFX_LOOPBACK_NAME(_mode, _counter) \
279 "loopback.%s." _counter, LOOPBACK_MODE_NAME(mode)
282 * efx_fill_loopback_test - fill in a block of loopback self-test entries
284 * @lb_tests: Efx loopback self-test results structure
285 * @mode: Loopback test mode
286 * @test_index: Starting index of the test
287 * @strings: Ethtool strings, or %NULL
288 * @data: Ethtool test results, or %NULL
290 static int efx_fill_loopback_test(struct efx_nic
*efx
,
291 struct efx_loopback_self_tests
*lb_tests
,
292 enum efx_loopback_mode mode
,
293 unsigned int test_index
,
294 struct ethtool_string
*strings
, u64
*data
)
296 struct efx_tx_queue
*tx_queue
;
298 efx_for_each_tx_queue(tx_queue
, efx
) {
299 efx_fill_test(test_index
++, strings
, data
,
300 &lb_tests
->tx_sent
[tx_queue
->queue
],
301 EFX_TX_QUEUE_NAME(tx_queue
),
302 EFX_LOOPBACK_NAME(mode
, "tx_sent"));
303 efx_fill_test(test_index
++, strings
, data
,
304 &lb_tests
->tx_done
[tx_queue
->queue
],
305 EFX_TX_QUEUE_NAME(tx_queue
),
306 EFX_LOOPBACK_NAME(mode
, "tx_done"));
308 efx_fill_test(test_index
++, strings
, data
,
311 EFX_LOOPBACK_NAME(mode
, "rx_good"));
312 efx_fill_test(test_index
++, strings
, data
,
315 EFX_LOOPBACK_NAME(mode
, "rx_bad"));
321 * efx_ethtool_fill_self_tests - get self-test details
323 * @tests: Efx self-test results structure, or %NULL
324 * @strings: Ethtool strings, or %NULL
325 * @data: Ethtool test results, or %NULL
327 static int efx_ethtool_fill_self_tests(struct efx_nic
*efx
,
328 struct efx_self_tests
*tests
,
329 struct ethtool_string
*strings
,
332 struct efx_channel
*channel
;
334 enum efx_loopback_mode mode
;
336 efx_fill_test(n
++, strings
, data
, &tests
->mii
,
337 "core", 0, "mii", NULL
);
338 efx_fill_test(n
++, strings
, data
, &tests
->nvram
,
339 "core", 0, "nvram", NULL
);
340 efx_fill_test(n
++, strings
, data
, &tests
->interrupt
,
341 "core", 0, "interrupt", NULL
);
344 efx_for_each_channel(channel
, efx
) {
345 efx_fill_test(n
++, strings
, data
,
346 &tests
->eventq_dma
[channel
->channel
],
347 EFX_CHANNEL_NAME(channel
),
349 efx_fill_test(n
++, strings
, data
,
350 &tests
->eventq_int
[channel
->channel
],
351 EFX_CHANNEL_NAME(channel
),
353 efx_fill_test(n
++, strings
, data
,
354 &tests
->eventq_poll
[channel
->channel
],
355 EFX_CHANNEL_NAME(channel
),
356 "eventq.poll", NULL
);
359 efx_fill_test(n
++, strings
, data
, &tests
->registers
,
360 "core", 0, "registers", NULL
);
361 efx_fill_test(n
++, strings
, data
, &tests
->phy
,
362 EFX_PORT_NAME
, "phy", NULL
);
365 efx_fill_test(n
++, strings
, data
, &tests
->loopback_speed
,
366 EFX_PORT_NAME
, "loopback.speed", NULL
);
367 efx_fill_test(n
++, strings
, data
, &tests
->loopback_full_duplex
,
368 EFX_PORT_NAME
, "loopback.full_duplex", NULL
);
369 for (mode
= LOOPBACK_NONE
; mode
<= LOOPBACK_TEST_MAX
; mode
++) {
370 if (!(efx
->loopback_modes
& (1 << mode
)))
372 n
= efx_fill_loopback_test(efx
,
373 &tests
->loopback
[mode
], mode
, n
,
380 static int efx_ethtool_get_sset_count(struct net_device
*net_dev
,
383 switch (string_set
) {
385 return EFX_ETHTOOL_NUM_STATS
;
387 return efx_ethtool_fill_self_tests(netdev_priv(net_dev
),
394 static void efx_ethtool_get_strings(struct net_device
*net_dev
,
395 u32 string_set
, u8
*strings
)
397 struct efx_nic
*efx
= netdev_priv(net_dev
);
398 struct ethtool_string
*ethtool_strings
=
399 (struct ethtool_string
*)strings
;
402 switch (string_set
) {
404 for (i
= 0; i
< EFX_ETHTOOL_NUM_STATS
; i
++)
405 strncpy(ethtool_strings
[i
].name
,
406 efx_ethtool_stats
[i
].name
,
407 sizeof(ethtool_strings
[i
].name
));
410 efx_ethtool_fill_self_tests(efx
, NULL
,
411 ethtool_strings
, NULL
);
414 /* No other string sets */
419 static void efx_ethtool_get_stats(struct net_device
*net_dev
,
420 struct ethtool_stats
*stats
,
423 struct efx_nic
*efx
= netdev_priv(net_dev
);
424 struct efx_mac_stats
*mac_stats
= &efx
->mac_stats
;
425 struct efx_ethtool_stat
*stat
;
426 struct efx_channel
*channel
;
429 EFX_BUG_ON_PARANOID(stats
->n_stats
!= EFX_ETHTOOL_NUM_STATS
);
431 /* Update MAC and NIC statistics */
432 net_dev
->get_stats(net_dev
);
434 /* Fill detailed statistics buffer */
435 for (i
= 0; i
< EFX_ETHTOOL_NUM_STATS
; i
++) {
436 stat
= &efx_ethtool_stats
[i
];
437 switch (stat
->source
) {
438 case EFX_ETHTOOL_STAT_SOURCE_mac_stats
:
439 data
[i
] = stat
->get_stat((void *)mac_stats
+
442 case EFX_ETHTOOL_STAT_SOURCE_nic
:
443 data
[i
] = stat
->get_stat((void *)efx
+ stat
->offset
);
445 case EFX_ETHTOOL_STAT_SOURCE_channel
:
447 efx_for_each_channel(channel
, efx
)
448 data
[i
] += stat
->get_stat((void *)channel
+
455 static int efx_ethtool_set_rx_csum(struct net_device
*net_dev
, u32 enable
)
457 struct efx_nic
*efx
= netdev_priv(net_dev
);
459 /* No way to stop the hardware doing the checks; we just
462 efx
->rx_checksum_enabled
= !!enable
;
467 static u32
efx_ethtool_get_rx_csum(struct net_device
*net_dev
)
469 struct efx_nic
*efx
= netdev_priv(net_dev
);
471 return efx
->rx_checksum_enabled
;
474 static void efx_ethtool_self_test(struct net_device
*net_dev
,
475 struct ethtool_test
*test
, u64
*data
)
477 struct efx_nic
*efx
= netdev_priv(net_dev
);
478 struct efx_self_tests efx_tests
;
479 int offline
, already_up
;
483 if (efx
->state
!= STATE_RUNNING
) {
488 /* We need rx buffers and interrupts. */
489 already_up
= (efx
->net_dev
->flags
& IFF_UP
);
491 rc
= dev_open(efx
->net_dev
);
493 EFX_ERR(efx
, "failed opening device.\n");
498 memset(&efx_tests
, 0, sizeof(efx_tests
));
499 offline
= (test
->flags
& ETH_TEST_FL_OFFLINE
);
501 /* Perform online self tests first */
502 rc
= efx_online_test(efx
, &efx_tests
);
506 /* Perform offline tests only if online tests passed */
508 rc
= efx_offline_test(efx
, &efx_tests
,
509 efx
->loopback_modes
);
513 dev_close(efx
->net_dev
);
515 EFX_LOG(efx
, "%s all %sline self-tests\n",
516 rc
== 0 ? "passed" : "failed", offline
? "off" : "on");
520 /* Fill ethtool results structures */
521 efx_ethtool_fill_self_tests(efx
, &efx_tests
, NULL
, data
);
523 test
->flags
|= ETH_TEST_FL_FAILED
;
526 /* Restart autonegotiation */
527 static int efx_ethtool_nway_reset(struct net_device
*net_dev
)
529 struct efx_nic
*efx
= netdev_priv(net_dev
);
531 return mii_nway_restart(&efx
->mii
);
534 static u32
efx_ethtool_get_link(struct net_device
*net_dev
)
536 struct efx_nic
*efx
= netdev_priv(net_dev
);
541 static int efx_ethtool_get_eeprom_len(struct net_device
*net_dev
)
543 struct efx_nic
*efx
= netdev_priv(net_dev
);
544 struct efx_spi_device
*spi
= efx
->spi_eeprom
;
548 return min(spi
->size
, EFX_ETHTOOL_EEPROM_MAX
) -
549 min(spi
->size
, EFX_ETHTOOL_EEPROM_MIN
);
552 static int efx_ethtool_get_eeprom(struct net_device
*net_dev
,
553 struct ethtool_eeprom
*eeprom
, u8
*buf
)
555 struct efx_nic
*efx
= netdev_priv(net_dev
);
556 struct efx_spi_device
*spi
= efx
->spi_eeprom
;
560 rc
= falcon_spi_read(spi
, eeprom
->offset
+ EFX_ETHTOOL_EEPROM_MIN
,
561 eeprom
->len
, &len
, buf
);
562 eeprom
->magic
= EFX_ETHTOOL_EEPROM_MAGIC
;
567 static int efx_ethtool_set_eeprom(struct net_device
*net_dev
,
568 struct ethtool_eeprom
*eeprom
, u8
*buf
)
570 struct efx_nic
*efx
= netdev_priv(net_dev
);
571 struct efx_spi_device
*spi
= efx
->spi_eeprom
;
575 if (eeprom
->magic
!= EFX_ETHTOOL_EEPROM_MAGIC
)
578 rc
= falcon_spi_write(spi
, eeprom
->offset
+ EFX_ETHTOOL_EEPROM_MIN
,
579 eeprom
->len
, &len
, buf
);
584 static int efx_ethtool_get_coalesce(struct net_device
*net_dev
,
585 struct ethtool_coalesce
*coalesce
)
587 struct efx_nic
*efx
= netdev_priv(net_dev
);
588 struct efx_tx_queue
*tx_queue
;
589 struct efx_rx_queue
*rx_queue
;
590 struct efx_channel
*channel
;
592 memset(coalesce
, 0, sizeof(*coalesce
));
594 /* Find lowest IRQ moderation across all used TX queues */
595 coalesce
->tx_coalesce_usecs_irq
= ~((u32
) 0);
596 efx_for_each_tx_queue(tx_queue
, efx
) {
597 channel
= tx_queue
->channel
;
598 if (channel
->irq_moderation
< coalesce
->tx_coalesce_usecs_irq
) {
599 if (channel
->used_flags
!= EFX_USED_BY_RX_TX
)
600 coalesce
->tx_coalesce_usecs_irq
=
601 channel
->irq_moderation
;
603 coalesce
->tx_coalesce_usecs_irq
= 0;
607 /* Find lowest IRQ moderation across all used RX queues */
608 coalesce
->rx_coalesce_usecs_irq
= ~((u32
) 0);
609 efx_for_each_rx_queue(rx_queue
, efx
) {
610 channel
= rx_queue
->channel
;
611 if (channel
->irq_moderation
< coalesce
->rx_coalesce_usecs_irq
)
612 coalesce
->rx_coalesce_usecs_irq
=
613 channel
->irq_moderation
;
619 /* Set coalescing parameters
620 * The difficulties occur for shared channels
622 static int efx_ethtool_set_coalesce(struct net_device
*net_dev
,
623 struct ethtool_coalesce
*coalesce
)
625 struct efx_nic
*efx
= netdev_priv(net_dev
);
626 struct efx_channel
*channel
;
627 struct efx_tx_queue
*tx_queue
;
628 unsigned tx_usecs
, rx_usecs
;
630 if (coalesce
->use_adaptive_rx_coalesce
||
631 coalesce
->use_adaptive_tx_coalesce
)
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");
640 rx_usecs
= coalesce
->rx_coalesce_usecs_irq
;
641 tx_usecs
= coalesce
->tx_coalesce_usecs_irq
;
643 /* If the channel is shared only allow RX parameters to be set */
644 efx_for_each_tx_queue(tx_queue
, efx
) {
645 if ((tx_queue
->channel
->used_flags
== EFX_USED_BY_RX_TX
) &&
647 EFX_ERR(efx
, "Channel is shared. "
648 "Only RX coalescing may be set\n");
653 efx_init_irq_moderation(efx
, tx_usecs
, rx_usecs
);
655 /* Reset channel to pick up new moderation value. Note that
656 * this may change the value of the irq_moderation field
657 * (e.g. to allow for hardware timer granularity).
659 efx_for_each_channel(channel
, efx
)
660 falcon_set_int_moderation(channel
);
665 static int efx_ethtool_set_pauseparam(struct net_device
*net_dev
,
666 struct ethtool_pauseparam
*pause
)
668 struct efx_nic
*efx
= netdev_priv(net_dev
);
669 enum efx_fc_type flow_control
= efx
->flow_control
;
672 flow_control
&= ~(EFX_FC_RX
| EFX_FC_TX
| EFX_FC_AUTO
);
673 flow_control
|= pause
->rx_pause
? EFX_FC_RX
: 0;
674 flow_control
|= pause
->tx_pause
? EFX_FC_TX
: 0;
675 flow_control
|= pause
->autoneg
? EFX_FC_AUTO
: 0;
677 /* Try to push the pause parameters */
678 mutex_lock(&efx
->mac_lock
);
679 rc
= falcon_xmac_set_pause(efx
, flow_control
);
680 mutex_unlock(&efx
->mac_lock
);
683 efx_reconfigure_port(efx
);
688 static void efx_ethtool_get_pauseparam(struct net_device
*net_dev
,
689 struct ethtool_pauseparam
*pause
)
691 struct efx_nic
*efx
= netdev_priv(net_dev
);
693 pause
->rx_pause
= !!(efx
->flow_control
& EFX_FC_RX
);
694 pause
->tx_pause
= !!(efx
->flow_control
& EFX_FC_TX
);
695 pause
->autoneg
= !!(efx
->flow_control
& EFX_FC_AUTO
);
699 struct ethtool_ops efx_ethtool_ops
= {
700 .get_settings
= efx_ethtool_get_settings
,
701 .set_settings
= efx_ethtool_set_settings
,
702 .get_drvinfo
= efx_ethtool_get_drvinfo
,
703 .nway_reset
= efx_ethtool_nway_reset
,
704 .get_link
= efx_ethtool_get_link
,
705 .get_eeprom_len
= efx_ethtool_get_eeprom_len
,
706 .get_eeprom
= efx_ethtool_get_eeprom
,
707 .set_eeprom
= efx_ethtool_set_eeprom
,
708 .get_coalesce
= efx_ethtool_get_coalesce
,
709 .set_coalesce
= efx_ethtool_set_coalesce
,
710 .get_pauseparam
= efx_ethtool_get_pauseparam
,
711 .set_pauseparam
= efx_ethtool_set_pauseparam
,
712 .get_rx_csum
= efx_ethtool_get_rx_csum
,
713 .set_rx_csum
= efx_ethtool_set_rx_csum
,
714 .get_tx_csum
= ethtool_op_get_tx_csum
,
715 .set_tx_csum
= ethtool_op_set_tx_csum
,
716 .get_sg
= ethtool_op_get_sg
,
717 .set_sg
= ethtool_op_set_sg
,
718 .get_tso
= ethtool_op_get_tso
,
719 .set_tso
= ethtool_op_set_tso
,
720 .get_flags
= ethtool_op_get_flags
,
721 .set_flags
= ethtool_op_set_flags
,
722 .get_sset_count
= efx_ethtool_get_sset_count
,
723 .self_test
= efx_ethtool_self_test
,
724 .get_strings
= efx_ethtool_get_strings
,
725 .phys_id
= efx_ethtool_phys_id
,
726 .get_ethtool_stats
= efx_ethtool_get_stats
,