1 /*******************************************************************************
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2006 Intel Corporation.
6 This program is free software; you can redistribute it and/or modify it
7 under the terms and conditions of the GNU General Public License,
8 version 2, as published by the Free Software Foundation.
10 This program is distributed in the hope it will be useful, but WITHOUT
11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
23 Linux NICS <linux.nics@intel.com>
24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
27 *******************************************************************************/
29 /* ethtool support for e1000 */
32 #include <asm/uaccess.h>
34 enum {NETDEV_STATS
, E1000_STATS
};
37 char stat_string
[ETH_GSTRING_LEN
];
43 #define E1000_STAT(m) E1000_STATS, \
44 sizeof(((struct e1000_adapter *)0)->m), \
45 offsetof(struct e1000_adapter, m)
46 #define E1000_NETDEV_STAT(m) NETDEV_STATS, \
47 sizeof(((struct net_device *)0)->m), \
48 offsetof(struct net_device, m)
50 static const struct e1000_stats e1000_gstrings_stats
[] = {
51 { "rx_packets", E1000_STAT(stats
.gprc
) },
52 { "tx_packets", E1000_STAT(stats
.gptc
) },
53 { "rx_bytes", E1000_STAT(stats
.gorcl
) },
54 { "tx_bytes", E1000_STAT(stats
.gotcl
) },
55 { "rx_broadcast", E1000_STAT(stats
.bprc
) },
56 { "tx_broadcast", E1000_STAT(stats
.bptc
) },
57 { "rx_multicast", E1000_STAT(stats
.mprc
) },
58 { "tx_multicast", E1000_STAT(stats
.mptc
) },
59 { "rx_errors", E1000_STAT(stats
.rxerrc
) },
60 { "tx_errors", E1000_STAT(stats
.txerrc
) },
61 { "tx_dropped", E1000_NETDEV_STAT(stats
.tx_dropped
) },
62 { "multicast", E1000_STAT(stats
.mprc
) },
63 { "collisions", E1000_STAT(stats
.colc
) },
64 { "rx_length_errors", E1000_STAT(stats
.rlerrc
) },
65 { "rx_over_errors", E1000_NETDEV_STAT(stats
.rx_over_errors
) },
66 { "rx_crc_errors", E1000_STAT(stats
.crcerrs
) },
67 { "rx_frame_errors", E1000_NETDEV_STAT(stats
.rx_frame_errors
) },
68 { "rx_no_buffer_count", E1000_STAT(stats
.rnbc
) },
69 { "rx_missed_errors", E1000_STAT(stats
.mpc
) },
70 { "tx_aborted_errors", E1000_STAT(stats
.ecol
) },
71 { "tx_carrier_errors", E1000_STAT(stats
.tncrs
) },
72 { "tx_fifo_errors", E1000_NETDEV_STAT(stats
.tx_fifo_errors
) },
73 { "tx_heartbeat_errors", E1000_NETDEV_STAT(stats
.tx_heartbeat_errors
) },
74 { "tx_window_errors", E1000_STAT(stats
.latecol
) },
75 { "tx_abort_late_coll", E1000_STAT(stats
.latecol
) },
76 { "tx_deferred_ok", E1000_STAT(stats
.dc
) },
77 { "tx_single_coll_ok", E1000_STAT(stats
.scc
) },
78 { "tx_multi_coll_ok", E1000_STAT(stats
.mcc
) },
79 { "tx_timeout_count", E1000_STAT(tx_timeout_count
) },
80 { "tx_restart_queue", E1000_STAT(restart_queue
) },
81 { "rx_long_length_errors", E1000_STAT(stats
.roc
) },
82 { "rx_short_length_errors", E1000_STAT(stats
.ruc
) },
83 { "rx_align_errors", E1000_STAT(stats
.algnerrc
) },
84 { "tx_tcp_seg_good", E1000_STAT(stats
.tsctc
) },
85 { "tx_tcp_seg_failed", E1000_STAT(stats
.tsctfc
) },
86 { "rx_flow_control_xon", E1000_STAT(stats
.xonrxc
) },
87 { "rx_flow_control_xoff", E1000_STAT(stats
.xoffrxc
) },
88 { "tx_flow_control_xon", E1000_STAT(stats
.xontxc
) },
89 { "tx_flow_control_xoff", E1000_STAT(stats
.xofftxc
) },
90 { "rx_long_byte_count", E1000_STAT(stats
.gorcl
) },
91 { "rx_csum_offload_good", E1000_STAT(hw_csum_good
) },
92 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err
) },
93 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed
) },
94 { "tx_smbus", E1000_STAT(stats
.mgptc
) },
95 { "rx_smbus", E1000_STAT(stats
.mgprc
) },
96 { "dropped_smbus", E1000_STAT(stats
.mgpdc
) },
99 #define E1000_QUEUE_STATS_LEN 0
100 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
101 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN + E1000_QUEUE_STATS_LEN)
102 static const char e1000_gstrings_test
[][ETH_GSTRING_LEN
] = {
103 "Register test (offline)", "Eeprom test (offline)",
104 "Interrupt test (offline)", "Loopback test (offline)",
105 "Link test (on/offline)"
107 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
109 static int e1000_get_settings(struct net_device
*netdev
,
110 struct ethtool_cmd
*ecmd
)
112 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
113 struct e1000_hw
*hw
= &adapter
->hw
;
115 if (hw
->media_type
== e1000_media_type_copper
) {
117 ecmd
->supported
= (SUPPORTED_10baseT_Half
|
118 SUPPORTED_10baseT_Full
|
119 SUPPORTED_100baseT_Half
|
120 SUPPORTED_100baseT_Full
|
121 SUPPORTED_1000baseT_Full
|
124 ecmd
->advertising
= ADVERTISED_TP
;
126 if (hw
->autoneg
== 1) {
127 ecmd
->advertising
|= ADVERTISED_Autoneg
;
128 /* the e1000 autoneg seems to match ethtool nicely */
129 ecmd
->advertising
|= hw
->autoneg_advertised
;
132 ecmd
->port
= PORT_TP
;
133 ecmd
->phy_address
= hw
->phy_addr
;
135 if (hw
->mac_type
== e1000_82543
)
136 ecmd
->transceiver
= XCVR_EXTERNAL
;
138 ecmd
->transceiver
= XCVR_INTERNAL
;
141 ecmd
->supported
= (SUPPORTED_1000baseT_Full
|
145 ecmd
->advertising
= (ADVERTISED_1000baseT_Full
|
149 ecmd
->port
= PORT_FIBRE
;
151 if (hw
->mac_type
>= e1000_82545
)
152 ecmd
->transceiver
= XCVR_INTERNAL
;
154 ecmd
->transceiver
= XCVR_EXTERNAL
;
157 if (er32(STATUS
) & E1000_STATUS_LU
) {
159 e1000_get_speed_and_duplex(hw
, &adapter
->link_speed
,
160 &adapter
->link_duplex
);
161 ecmd
->speed
= adapter
->link_speed
;
163 /* unfortunatly FULL_DUPLEX != DUPLEX_FULL
164 * and HALF_DUPLEX != DUPLEX_HALF */
166 if (adapter
->link_duplex
== FULL_DUPLEX
)
167 ecmd
->duplex
= DUPLEX_FULL
;
169 ecmd
->duplex
= DUPLEX_HALF
;
175 ecmd
->autoneg
= ((hw
->media_type
== e1000_media_type_fiber
) ||
176 hw
->autoneg
) ? AUTONEG_ENABLE
: AUTONEG_DISABLE
;
180 static int e1000_set_settings(struct net_device
*netdev
,
181 struct ethtool_cmd
*ecmd
)
183 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
184 struct e1000_hw
*hw
= &adapter
->hw
;
186 while (test_and_set_bit(__E1000_RESETTING
, &adapter
->flags
))
189 if (ecmd
->autoneg
== AUTONEG_ENABLE
) {
191 if (hw
->media_type
== e1000_media_type_fiber
)
192 hw
->autoneg_advertised
= ADVERTISED_1000baseT_Full
|
196 hw
->autoneg_advertised
= ecmd
->advertising
|
199 ecmd
->advertising
= hw
->autoneg_advertised
;
201 if (e1000_set_spd_dplx(adapter
, ecmd
->speed
+ ecmd
->duplex
)) {
202 clear_bit(__E1000_RESETTING
, &adapter
->flags
);
208 if (netif_running(adapter
->netdev
)) {
212 e1000_reset(adapter
);
214 clear_bit(__E1000_RESETTING
, &adapter
->flags
);
218 static u32
e1000_get_link(struct net_device
*netdev
)
220 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
223 * If the link is not reported up to netdev, interrupts are disabled,
224 * and so the physical link state may have changed since we last
225 * looked. Set get_link_status to make sure that the true link
226 * state is interrogated, rather than pulling a cached and possibly
227 * stale link state from the driver.
229 if (!netif_carrier_ok(netdev
))
230 adapter
->hw
.get_link_status
= 1;
232 return e1000_has_link(adapter
);
235 static void e1000_get_pauseparam(struct net_device
*netdev
,
236 struct ethtool_pauseparam
*pause
)
238 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
239 struct e1000_hw
*hw
= &adapter
->hw
;
242 (adapter
->fc_autoneg
? AUTONEG_ENABLE
: AUTONEG_DISABLE
);
244 if (hw
->fc
== E1000_FC_RX_PAUSE
)
246 else if (hw
->fc
== E1000_FC_TX_PAUSE
)
248 else if (hw
->fc
== E1000_FC_FULL
) {
254 static int e1000_set_pauseparam(struct net_device
*netdev
,
255 struct ethtool_pauseparam
*pause
)
257 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
258 struct e1000_hw
*hw
= &adapter
->hw
;
261 adapter
->fc_autoneg
= pause
->autoneg
;
263 while (test_and_set_bit(__E1000_RESETTING
, &adapter
->flags
))
266 if (pause
->rx_pause
&& pause
->tx_pause
)
267 hw
->fc
= E1000_FC_FULL
;
268 else if (pause
->rx_pause
&& !pause
->tx_pause
)
269 hw
->fc
= E1000_FC_RX_PAUSE
;
270 else if (!pause
->rx_pause
&& pause
->tx_pause
)
271 hw
->fc
= E1000_FC_TX_PAUSE
;
272 else if (!pause
->rx_pause
&& !pause
->tx_pause
)
273 hw
->fc
= E1000_FC_NONE
;
275 hw
->original_fc
= hw
->fc
;
277 if (adapter
->fc_autoneg
== AUTONEG_ENABLE
) {
278 if (netif_running(adapter
->netdev
)) {
282 e1000_reset(adapter
);
284 retval
= ((hw
->media_type
== e1000_media_type_fiber
) ?
285 e1000_setup_link(hw
) : e1000_force_mac_fc(hw
));
287 clear_bit(__E1000_RESETTING
, &adapter
->flags
);
291 static u32
e1000_get_rx_csum(struct net_device
*netdev
)
293 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
294 return adapter
->rx_csum
;
297 static int e1000_set_rx_csum(struct net_device
*netdev
, u32 data
)
299 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
300 adapter
->rx_csum
= data
;
302 if (netif_running(netdev
))
303 e1000_reinit_locked(adapter
);
305 e1000_reset(adapter
);
309 static u32
e1000_get_tx_csum(struct net_device
*netdev
)
311 return (netdev
->features
& NETIF_F_HW_CSUM
) != 0;
314 static int e1000_set_tx_csum(struct net_device
*netdev
, u32 data
)
316 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
317 struct e1000_hw
*hw
= &adapter
->hw
;
319 if (hw
->mac_type
< e1000_82543
) {
326 netdev
->features
|= NETIF_F_HW_CSUM
;
328 netdev
->features
&= ~NETIF_F_HW_CSUM
;
333 static int e1000_set_tso(struct net_device
*netdev
, u32 data
)
335 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
336 struct e1000_hw
*hw
= &adapter
->hw
;
338 if ((hw
->mac_type
< e1000_82544
) ||
339 (hw
->mac_type
== e1000_82547
))
340 return data
? -EINVAL
: 0;
343 netdev
->features
|= NETIF_F_TSO
;
345 netdev
->features
&= ~NETIF_F_TSO
;
347 netdev
->features
&= ~NETIF_F_TSO6
;
349 DPRINTK(PROBE
, INFO
, "TSO is %s\n", data
? "Enabled" : "Disabled");
350 adapter
->tso_force
= true;
354 static u32
e1000_get_msglevel(struct net_device
*netdev
)
356 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
357 return adapter
->msg_enable
;
360 static void e1000_set_msglevel(struct net_device
*netdev
, u32 data
)
362 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
363 adapter
->msg_enable
= data
;
366 static int e1000_get_regs_len(struct net_device
*netdev
)
368 #define E1000_REGS_LEN 32
369 return E1000_REGS_LEN
* sizeof(u32
);
372 static void e1000_get_regs(struct net_device
*netdev
, struct ethtool_regs
*regs
,
375 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
376 struct e1000_hw
*hw
= &adapter
->hw
;
380 memset(p
, 0, E1000_REGS_LEN
* sizeof(u32
));
382 regs
->version
= (1 << 24) | (hw
->revision_id
<< 16) | hw
->device_id
;
384 regs_buff
[0] = er32(CTRL
);
385 regs_buff
[1] = er32(STATUS
);
387 regs_buff
[2] = er32(RCTL
);
388 regs_buff
[3] = er32(RDLEN
);
389 regs_buff
[4] = er32(RDH
);
390 regs_buff
[5] = er32(RDT
);
391 regs_buff
[6] = er32(RDTR
);
393 regs_buff
[7] = er32(TCTL
);
394 regs_buff
[8] = er32(TDLEN
);
395 regs_buff
[9] = er32(TDH
);
396 regs_buff
[10] = er32(TDT
);
397 regs_buff
[11] = er32(TIDV
);
399 regs_buff
[12] = hw
->phy_type
; /* PHY type (IGP=1, M88=0) */
400 if (hw
->phy_type
== e1000_phy_igp
) {
401 e1000_write_phy_reg(hw
, IGP01E1000_PHY_PAGE_SELECT
,
402 IGP01E1000_PHY_AGC_A
);
403 e1000_read_phy_reg(hw
, IGP01E1000_PHY_AGC_A
&
404 IGP01E1000_PHY_PAGE_SELECT
, &phy_data
);
405 regs_buff
[13] = (u32
)phy_data
; /* cable length */
406 e1000_write_phy_reg(hw
, IGP01E1000_PHY_PAGE_SELECT
,
407 IGP01E1000_PHY_AGC_B
);
408 e1000_read_phy_reg(hw
, IGP01E1000_PHY_AGC_B
&
409 IGP01E1000_PHY_PAGE_SELECT
, &phy_data
);
410 regs_buff
[14] = (u32
)phy_data
; /* cable length */
411 e1000_write_phy_reg(hw
, IGP01E1000_PHY_PAGE_SELECT
,
412 IGP01E1000_PHY_AGC_C
);
413 e1000_read_phy_reg(hw
, IGP01E1000_PHY_AGC_C
&
414 IGP01E1000_PHY_PAGE_SELECT
, &phy_data
);
415 regs_buff
[15] = (u32
)phy_data
; /* cable length */
416 e1000_write_phy_reg(hw
, IGP01E1000_PHY_PAGE_SELECT
,
417 IGP01E1000_PHY_AGC_D
);
418 e1000_read_phy_reg(hw
, IGP01E1000_PHY_AGC_D
&
419 IGP01E1000_PHY_PAGE_SELECT
, &phy_data
);
420 regs_buff
[16] = (u32
)phy_data
; /* cable length */
421 regs_buff
[17] = 0; /* extended 10bt distance (not needed) */
422 e1000_write_phy_reg(hw
, IGP01E1000_PHY_PAGE_SELECT
, 0x0);
423 e1000_read_phy_reg(hw
, IGP01E1000_PHY_PORT_STATUS
&
424 IGP01E1000_PHY_PAGE_SELECT
, &phy_data
);
425 regs_buff
[18] = (u32
)phy_data
; /* cable polarity */
426 e1000_write_phy_reg(hw
, IGP01E1000_PHY_PAGE_SELECT
,
427 IGP01E1000_PHY_PCS_INIT_REG
);
428 e1000_read_phy_reg(hw
, IGP01E1000_PHY_PCS_INIT_REG
&
429 IGP01E1000_PHY_PAGE_SELECT
, &phy_data
);
430 regs_buff
[19] = (u32
)phy_data
; /* cable polarity */
431 regs_buff
[20] = 0; /* polarity correction enabled (always) */
432 regs_buff
[22] = 0; /* phy receive errors (unavailable) */
433 regs_buff
[23] = regs_buff
[18]; /* mdix mode */
434 e1000_write_phy_reg(hw
, IGP01E1000_PHY_PAGE_SELECT
, 0x0);
436 e1000_read_phy_reg(hw
, M88E1000_PHY_SPEC_STATUS
, &phy_data
);
437 regs_buff
[13] = (u32
)phy_data
; /* cable length */
438 regs_buff
[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
439 regs_buff
[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
440 regs_buff
[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
441 e1000_read_phy_reg(hw
, M88E1000_PHY_SPEC_CTRL
, &phy_data
);
442 regs_buff
[17] = (u32
)phy_data
; /* extended 10bt distance */
443 regs_buff
[18] = regs_buff
[13]; /* cable polarity */
444 regs_buff
[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
445 regs_buff
[20] = regs_buff
[17]; /* polarity correction */
446 /* phy receive errors */
447 regs_buff
[22] = adapter
->phy_stats
.receive_errors
;
448 regs_buff
[23] = regs_buff
[13]; /* mdix mode */
450 regs_buff
[21] = adapter
->phy_stats
.idle_errors
; /* phy idle errors */
451 e1000_read_phy_reg(hw
, PHY_1000T_STATUS
, &phy_data
);
452 regs_buff
[24] = (u32
)phy_data
; /* phy local receiver status */
453 regs_buff
[25] = regs_buff
[24]; /* phy remote receiver status */
454 if (hw
->mac_type
>= e1000_82540
&&
455 hw
->media_type
== e1000_media_type_copper
) {
456 regs_buff
[26] = er32(MANC
);
460 static int e1000_get_eeprom_len(struct net_device
*netdev
)
462 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
463 struct e1000_hw
*hw
= &adapter
->hw
;
465 return hw
->eeprom
.word_size
* 2;
468 static int e1000_get_eeprom(struct net_device
*netdev
,
469 struct ethtool_eeprom
*eeprom
, u8
*bytes
)
471 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
472 struct e1000_hw
*hw
= &adapter
->hw
;
474 int first_word
, last_word
;
478 if (eeprom
->len
== 0)
481 eeprom
->magic
= hw
->vendor_id
| (hw
->device_id
<< 16);
483 first_word
= eeprom
->offset
>> 1;
484 last_word
= (eeprom
->offset
+ eeprom
->len
- 1) >> 1;
486 eeprom_buff
= kmalloc(sizeof(u16
) *
487 (last_word
- first_word
+ 1), GFP_KERNEL
);
491 if (hw
->eeprom
.type
== e1000_eeprom_spi
)
492 ret_val
= e1000_read_eeprom(hw
, first_word
,
493 last_word
- first_word
+ 1,
496 for (i
= 0; i
< last_word
- first_word
+ 1; i
++) {
497 ret_val
= e1000_read_eeprom(hw
, first_word
+ i
, 1,
504 /* Device's eeprom is always little-endian, word addressable */
505 for (i
= 0; i
< last_word
- first_word
+ 1; i
++)
506 le16_to_cpus(&eeprom_buff
[i
]);
508 memcpy(bytes
, (u8
*)eeprom_buff
+ (eeprom
->offset
& 1),
515 static int e1000_set_eeprom(struct net_device
*netdev
,
516 struct ethtool_eeprom
*eeprom
, u8
*bytes
)
518 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
519 struct e1000_hw
*hw
= &adapter
->hw
;
522 int max_len
, first_word
, last_word
, ret_val
= 0;
525 if (eeprom
->len
== 0)
528 if (eeprom
->magic
!= (hw
->vendor_id
| (hw
->device_id
<< 16)))
531 max_len
= hw
->eeprom
.word_size
* 2;
533 first_word
= eeprom
->offset
>> 1;
534 last_word
= (eeprom
->offset
+ eeprom
->len
- 1) >> 1;
535 eeprom_buff
= kmalloc(max_len
, GFP_KERNEL
);
539 ptr
= (void *)eeprom_buff
;
541 if (eeprom
->offset
& 1) {
542 /* need read/modify/write of first changed EEPROM word */
543 /* only the second byte of the word is being modified */
544 ret_val
= e1000_read_eeprom(hw
, first_word
, 1,
548 if (((eeprom
->offset
+ eeprom
->len
) & 1) && (ret_val
== 0)) {
549 /* need read/modify/write of last changed EEPROM word */
550 /* only the first byte of the word is being modified */
551 ret_val
= e1000_read_eeprom(hw
, last_word
, 1,
552 &eeprom_buff
[last_word
- first_word
]);
555 /* Device's eeprom is always little-endian, word addressable */
556 for (i
= 0; i
< last_word
- first_word
+ 1; i
++)
557 le16_to_cpus(&eeprom_buff
[i
]);
559 memcpy(ptr
, bytes
, eeprom
->len
);
561 for (i
= 0; i
< last_word
- first_word
+ 1; i
++)
562 eeprom_buff
[i
] = cpu_to_le16(eeprom_buff
[i
]);
564 ret_val
= e1000_write_eeprom(hw
, first_word
,
565 last_word
- first_word
+ 1, eeprom_buff
);
567 /* Update the checksum over the first part of the EEPROM if needed */
568 if ((ret_val
== 0) && (first_word
<= EEPROM_CHECKSUM_REG
))
569 e1000_update_eeprom_checksum(hw
);
575 static void e1000_get_drvinfo(struct net_device
*netdev
,
576 struct ethtool_drvinfo
*drvinfo
)
578 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
579 char firmware_version
[32];
581 strncpy(drvinfo
->driver
, e1000_driver_name
, 32);
582 strncpy(drvinfo
->version
, e1000_driver_version
, 32);
584 sprintf(firmware_version
, "N/A");
585 strncpy(drvinfo
->fw_version
, firmware_version
, 32);
586 strncpy(drvinfo
->bus_info
, pci_name(adapter
->pdev
), 32);
587 drvinfo
->regdump_len
= e1000_get_regs_len(netdev
);
588 drvinfo
->eedump_len
= e1000_get_eeprom_len(netdev
);
591 static void e1000_get_ringparam(struct net_device
*netdev
,
592 struct ethtool_ringparam
*ring
)
594 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
595 struct e1000_hw
*hw
= &adapter
->hw
;
596 e1000_mac_type mac_type
= hw
->mac_type
;
597 struct e1000_tx_ring
*txdr
= adapter
->tx_ring
;
598 struct e1000_rx_ring
*rxdr
= adapter
->rx_ring
;
600 ring
->rx_max_pending
= (mac_type
< e1000_82544
) ? E1000_MAX_RXD
:
602 ring
->tx_max_pending
= (mac_type
< e1000_82544
) ? E1000_MAX_TXD
:
604 ring
->rx_mini_max_pending
= 0;
605 ring
->rx_jumbo_max_pending
= 0;
606 ring
->rx_pending
= rxdr
->count
;
607 ring
->tx_pending
= txdr
->count
;
608 ring
->rx_mini_pending
= 0;
609 ring
->rx_jumbo_pending
= 0;
612 static int e1000_set_ringparam(struct net_device
*netdev
,
613 struct ethtool_ringparam
*ring
)
615 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
616 struct e1000_hw
*hw
= &adapter
->hw
;
617 e1000_mac_type mac_type
= hw
->mac_type
;
618 struct e1000_tx_ring
*txdr
, *tx_old
;
619 struct e1000_rx_ring
*rxdr
, *rx_old
;
622 if ((ring
->rx_mini_pending
) || (ring
->rx_jumbo_pending
))
625 while (test_and_set_bit(__E1000_RESETTING
, &adapter
->flags
))
628 if (netif_running(adapter
->netdev
))
631 tx_old
= adapter
->tx_ring
;
632 rx_old
= adapter
->rx_ring
;
635 txdr
= kcalloc(adapter
->num_tx_queues
, sizeof(struct e1000_tx_ring
), GFP_KERNEL
);
639 rxdr
= kcalloc(adapter
->num_rx_queues
, sizeof(struct e1000_rx_ring
), GFP_KERNEL
);
643 adapter
->tx_ring
= txdr
;
644 adapter
->rx_ring
= rxdr
;
646 rxdr
->count
= max(ring
->rx_pending
,(u32
)E1000_MIN_RXD
);
647 rxdr
->count
= min(rxdr
->count
,(u32
)(mac_type
< e1000_82544
?
648 E1000_MAX_RXD
: E1000_MAX_82544_RXD
));
649 rxdr
->count
= ALIGN(rxdr
->count
, REQ_RX_DESCRIPTOR_MULTIPLE
);
651 txdr
->count
= max(ring
->tx_pending
,(u32
)E1000_MIN_TXD
);
652 txdr
->count
= min(txdr
->count
,(u32
)(mac_type
< e1000_82544
?
653 E1000_MAX_TXD
: E1000_MAX_82544_TXD
));
654 txdr
->count
= ALIGN(txdr
->count
, REQ_TX_DESCRIPTOR_MULTIPLE
);
656 for (i
= 0; i
< adapter
->num_tx_queues
; i
++)
657 txdr
[i
].count
= txdr
->count
;
658 for (i
= 0; i
< adapter
->num_rx_queues
; i
++)
659 rxdr
[i
].count
= rxdr
->count
;
661 if (netif_running(adapter
->netdev
)) {
662 /* Try to get new resources before deleting old */
663 err
= e1000_setup_all_rx_resources(adapter
);
666 err
= e1000_setup_all_tx_resources(adapter
);
670 /* save the new, restore the old in order to free it,
671 * then restore the new back again */
673 adapter
->rx_ring
= rx_old
;
674 adapter
->tx_ring
= tx_old
;
675 e1000_free_all_rx_resources(adapter
);
676 e1000_free_all_tx_resources(adapter
);
679 adapter
->rx_ring
= rxdr
;
680 adapter
->tx_ring
= txdr
;
681 err
= e1000_up(adapter
);
686 clear_bit(__E1000_RESETTING
, &adapter
->flags
);
689 e1000_free_all_rx_resources(adapter
);
691 adapter
->rx_ring
= rx_old
;
692 adapter
->tx_ring
= tx_old
;
699 clear_bit(__E1000_RESETTING
, &adapter
->flags
);
703 static bool reg_pattern_test(struct e1000_adapter
*adapter
, u64
*data
, int reg
,
706 struct e1000_hw
*hw
= &adapter
->hw
;
707 static const u32 test
[] =
708 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
709 u8 __iomem
*address
= hw
->hw_addr
+ reg
;
713 for (i
= 0; i
< ARRAY_SIZE(test
); i
++) {
714 writel(write
& test
[i
], address
);
715 read
= readl(address
);
716 if (read
!= (write
& test
[i
] & mask
)) {
717 DPRINTK(DRV
, ERR
, "pattern test reg %04X failed: "
718 "got 0x%08X expected 0x%08X\n",
719 reg
, read
, (write
& test
[i
] & mask
));
727 static bool reg_set_and_check(struct e1000_adapter
*adapter
, u64
*data
, int reg
,
730 struct e1000_hw
*hw
= &adapter
->hw
;
731 u8 __iomem
*address
= hw
->hw_addr
+ reg
;
734 writel(write
& mask
, address
);
735 read
= readl(address
);
736 if ((read
& mask
) != (write
& mask
)) {
737 DPRINTK(DRV
, ERR
, "set/check reg %04X test failed: "
738 "got 0x%08X expected 0x%08X\n",
739 reg
, (read
& mask
), (write
& mask
));
746 #define REG_PATTERN_TEST(reg, mask, write) \
748 if (reg_pattern_test(adapter, data, \
749 (hw->mac_type >= e1000_82543) \
750 ? E1000_##reg : E1000_82542_##reg, \
755 #define REG_SET_AND_CHECK(reg, mask, write) \
757 if (reg_set_and_check(adapter, data, \
758 (hw->mac_type >= e1000_82543) \
759 ? E1000_##reg : E1000_82542_##reg, \
764 static int e1000_reg_test(struct e1000_adapter
*adapter
, u64
*data
)
766 u32 value
, before
, after
;
768 struct e1000_hw
*hw
= &adapter
->hw
;
770 /* The status register is Read Only, so a write should fail.
771 * Some bits that get toggled are ignored.
774 /* there are several bits on newer hardware that are r/w */
777 before
= er32(STATUS
);
778 value
= (er32(STATUS
) & toggle
);
779 ew32(STATUS
, toggle
);
780 after
= er32(STATUS
) & toggle
;
781 if (value
!= after
) {
782 DPRINTK(DRV
, ERR
, "failed STATUS register test got: "
783 "0x%08X expected: 0x%08X\n", after
, value
);
787 /* restore previous status */
788 ew32(STATUS
, before
);
790 REG_PATTERN_TEST(FCAL
, 0xFFFFFFFF, 0xFFFFFFFF);
791 REG_PATTERN_TEST(FCAH
, 0x0000FFFF, 0xFFFFFFFF);
792 REG_PATTERN_TEST(FCT
, 0x0000FFFF, 0xFFFFFFFF);
793 REG_PATTERN_TEST(VET
, 0x0000FFFF, 0xFFFFFFFF);
795 REG_PATTERN_TEST(RDTR
, 0x0000FFFF, 0xFFFFFFFF);
796 REG_PATTERN_TEST(RDBAH
, 0xFFFFFFFF, 0xFFFFFFFF);
797 REG_PATTERN_TEST(RDLEN
, 0x000FFF80, 0x000FFFFF);
798 REG_PATTERN_TEST(RDH
, 0x0000FFFF, 0x0000FFFF);
799 REG_PATTERN_TEST(RDT
, 0x0000FFFF, 0x0000FFFF);
800 REG_PATTERN_TEST(FCRTH
, 0x0000FFF8, 0x0000FFF8);
801 REG_PATTERN_TEST(FCTTV
, 0x0000FFFF, 0x0000FFFF);
802 REG_PATTERN_TEST(TIPG
, 0x3FFFFFFF, 0x3FFFFFFF);
803 REG_PATTERN_TEST(TDBAH
, 0xFFFFFFFF, 0xFFFFFFFF);
804 REG_PATTERN_TEST(TDLEN
, 0x000FFF80, 0x000FFFFF);
806 REG_SET_AND_CHECK(RCTL
, 0xFFFFFFFF, 0x00000000);
809 REG_SET_AND_CHECK(RCTL
, before
, 0x003FFFFB);
810 REG_SET_AND_CHECK(TCTL
, 0xFFFFFFFF, 0x00000000);
812 if (hw
->mac_type
>= e1000_82543
) {
814 REG_SET_AND_CHECK(RCTL
, before
, 0xFFFFFFFF);
815 REG_PATTERN_TEST(RDBAL
, 0xFFFFFFF0, 0xFFFFFFFF);
816 REG_PATTERN_TEST(TXCW
, 0xC000FFFF, 0x0000FFFF);
817 REG_PATTERN_TEST(TDBAL
, 0xFFFFFFF0, 0xFFFFFFFF);
818 REG_PATTERN_TEST(TIDV
, 0x0000FFFF, 0x0000FFFF);
819 value
= E1000_RAR_ENTRIES
;
820 for (i
= 0; i
< value
; i
++) {
821 REG_PATTERN_TEST(RA
+ (((i
<< 1) + 1) << 2), 0x8003FFFF,
827 REG_SET_AND_CHECK(RCTL
, 0xFFFFFFFF, 0x01FFFFFF);
828 REG_PATTERN_TEST(RDBAL
, 0xFFFFF000, 0xFFFFFFFF);
829 REG_PATTERN_TEST(TXCW
, 0x0000FFFF, 0x0000FFFF);
830 REG_PATTERN_TEST(TDBAL
, 0xFFFFF000, 0xFFFFFFFF);
834 value
= E1000_MC_TBL_SIZE
;
835 for (i
= 0; i
< value
; i
++)
836 REG_PATTERN_TEST(MTA
+ (i
<< 2), 0xFFFFFFFF, 0xFFFFFFFF);
842 static int e1000_eeprom_test(struct e1000_adapter
*adapter
, u64
*data
)
844 struct e1000_hw
*hw
= &adapter
->hw
;
850 /* Read and add up the contents of the EEPROM */
851 for (i
= 0; i
< (EEPROM_CHECKSUM_REG
+ 1); i
++) {
852 if ((e1000_read_eeprom(hw
, i
, 1, &temp
)) < 0) {
859 /* If Checksum is not Correct return error else test passed */
860 if ((checksum
!= (u16
)EEPROM_SUM
) && !(*data
))
866 static irqreturn_t
e1000_test_intr(int irq
, void *data
)
868 struct net_device
*netdev
= (struct net_device
*)data
;
869 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
870 struct e1000_hw
*hw
= &adapter
->hw
;
872 adapter
->test_icr
|= er32(ICR
);
877 static int e1000_intr_test(struct e1000_adapter
*adapter
, u64
*data
)
879 struct net_device
*netdev
= adapter
->netdev
;
881 bool shared_int
= true;
882 u32 irq
= adapter
->pdev
->irq
;
883 struct e1000_hw
*hw
= &adapter
->hw
;
887 /* NOTE: we don't test MSI interrupts here, yet */
888 /* Hook up test interrupt handler just for this test */
889 if (!request_irq(irq
, e1000_test_intr
, IRQF_PROBE_SHARED
, netdev
->name
,
892 else if (request_irq(irq
, e1000_test_intr
, IRQF_SHARED
,
893 netdev
->name
, netdev
)) {
897 DPRINTK(HW
, INFO
, "testing %s interrupt\n",
898 (shared_int
? "shared" : "unshared"));
900 /* Disable all the interrupts */
901 ew32(IMC
, 0xFFFFFFFF);
904 /* Test each interrupt */
905 for (; i
< 10; i
++) {
907 /* Interrupt to test */
911 /* Disable the interrupt to be reported in
912 * the cause register and then force the same
913 * interrupt and see if one gets posted. If
914 * an interrupt was posted to the bus, the
917 adapter
->test_icr
= 0;
922 if (adapter
->test_icr
& mask
) {
928 /* Enable the interrupt to be reported in
929 * the cause register and then force the same
930 * interrupt and see if one gets posted. If
931 * an interrupt was not posted to the bus, the
934 adapter
->test_icr
= 0;
939 if (!(adapter
->test_icr
& mask
)) {
945 /* Disable the other interrupts to be reported in
946 * the cause register and then force the other
947 * interrupts and see if any get posted. If
948 * an interrupt was posted to the bus, the
951 adapter
->test_icr
= 0;
952 ew32(IMC
, ~mask
& 0x00007FFF);
953 ew32(ICS
, ~mask
& 0x00007FFF);
956 if (adapter
->test_icr
) {
963 /* Disable all the interrupts */
964 ew32(IMC
, 0xFFFFFFFF);
967 /* Unhook test interrupt handler */
968 free_irq(irq
, netdev
);
973 static void e1000_free_desc_rings(struct e1000_adapter
*adapter
)
975 struct e1000_tx_ring
*txdr
= &adapter
->test_tx_ring
;
976 struct e1000_rx_ring
*rxdr
= &adapter
->test_rx_ring
;
977 struct pci_dev
*pdev
= adapter
->pdev
;
980 if (txdr
->desc
&& txdr
->buffer_info
) {
981 for (i
= 0; i
< txdr
->count
; i
++) {
982 if (txdr
->buffer_info
[i
].dma
)
983 pci_unmap_single(pdev
, txdr
->buffer_info
[i
].dma
,
984 txdr
->buffer_info
[i
].length
,
986 if (txdr
->buffer_info
[i
].skb
)
987 dev_kfree_skb(txdr
->buffer_info
[i
].skb
);
991 if (rxdr
->desc
&& rxdr
->buffer_info
) {
992 for (i
= 0; i
< rxdr
->count
; i
++) {
993 if (rxdr
->buffer_info
[i
].dma
)
994 pci_unmap_single(pdev
, rxdr
->buffer_info
[i
].dma
,
995 rxdr
->buffer_info
[i
].length
,
997 if (rxdr
->buffer_info
[i
].skb
)
998 dev_kfree_skb(rxdr
->buffer_info
[i
].skb
);
1003 pci_free_consistent(pdev
, txdr
->size
, txdr
->desc
, txdr
->dma
);
1007 pci_free_consistent(pdev
, rxdr
->size
, rxdr
->desc
, rxdr
->dma
);
1011 kfree(txdr
->buffer_info
);
1012 txdr
->buffer_info
= NULL
;
1013 kfree(rxdr
->buffer_info
);
1014 rxdr
->buffer_info
= NULL
;
1019 static int e1000_setup_desc_rings(struct e1000_adapter
*adapter
)
1021 struct e1000_hw
*hw
= &adapter
->hw
;
1022 struct e1000_tx_ring
*txdr
= &adapter
->test_tx_ring
;
1023 struct e1000_rx_ring
*rxdr
= &adapter
->test_rx_ring
;
1024 struct pci_dev
*pdev
= adapter
->pdev
;
1028 /* Setup Tx descriptor ring and Tx buffers */
1031 txdr
->count
= E1000_DEFAULT_TXD
;
1033 txdr
->buffer_info
= kcalloc(txdr
->count
, sizeof(struct e1000_buffer
),
1035 if (!txdr
->buffer_info
) {
1040 txdr
->size
= txdr
->count
* sizeof(struct e1000_tx_desc
);
1041 txdr
->size
= ALIGN(txdr
->size
, 4096);
1042 txdr
->desc
= pci_alloc_consistent(pdev
, txdr
->size
, &txdr
->dma
);
1047 memset(txdr
->desc
, 0, txdr
->size
);
1048 txdr
->next_to_use
= txdr
->next_to_clean
= 0;
1050 ew32(TDBAL
, ((u64
)txdr
->dma
& 0x00000000FFFFFFFF));
1051 ew32(TDBAH
, ((u64
)txdr
->dma
>> 32));
1052 ew32(TDLEN
, txdr
->count
* sizeof(struct e1000_tx_desc
));
1055 ew32(TCTL
, E1000_TCTL_PSP
| E1000_TCTL_EN
|
1056 E1000_COLLISION_THRESHOLD
<< E1000_CT_SHIFT
|
1057 E1000_FDX_COLLISION_DISTANCE
<< E1000_COLD_SHIFT
);
1059 for (i
= 0; i
< txdr
->count
; i
++) {
1060 struct e1000_tx_desc
*tx_desc
= E1000_TX_DESC(*txdr
, i
);
1061 struct sk_buff
*skb
;
1062 unsigned int size
= 1024;
1064 skb
= alloc_skb(size
, GFP_KERNEL
);
1070 txdr
->buffer_info
[i
].skb
= skb
;
1071 txdr
->buffer_info
[i
].length
= skb
->len
;
1072 txdr
->buffer_info
[i
].dma
=
1073 pci_map_single(pdev
, skb
->data
, skb
->len
,
1075 tx_desc
->buffer_addr
= cpu_to_le64(txdr
->buffer_info
[i
].dma
);
1076 tx_desc
->lower
.data
= cpu_to_le32(skb
->len
);
1077 tx_desc
->lower
.data
|= cpu_to_le32(E1000_TXD_CMD_EOP
|
1078 E1000_TXD_CMD_IFCS
|
1080 tx_desc
->upper
.data
= 0;
1083 /* Setup Rx descriptor ring and Rx buffers */
1086 rxdr
->count
= E1000_DEFAULT_RXD
;
1088 rxdr
->buffer_info
= kcalloc(rxdr
->count
, sizeof(struct e1000_buffer
),
1090 if (!rxdr
->buffer_info
) {
1095 rxdr
->size
= rxdr
->count
* sizeof(struct e1000_rx_desc
);
1096 rxdr
->desc
= pci_alloc_consistent(pdev
, rxdr
->size
, &rxdr
->dma
);
1101 memset(rxdr
->desc
, 0, rxdr
->size
);
1102 rxdr
->next_to_use
= rxdr
->next_to_clean
= 0;
1105 ew32(RCTL
, rctl
& ~E1000_RCTL_EN
);
1106 ew32(RDBAL
, ((u64
)rxdr
->dma
& 0xFFFFFFFF));
1107 ew32(RDBAH
, ((u64
)rxdr
->dma
>> 32));
1108 ew32(RDLEN
, rxdr
->size
);
1111 rctl
= E1000_RCTL_EN
| E1000_RCTL_BAM
| E1000_RCTL_SZ_2048
|
1112 E1000_RCTL_LBM_NO
| E1000_RCTL_RDMTS_HALF
|
1113 (hw
->mc_filter_type
<< E1000_RCTL_MO_SHIFT
);
1116 for (i
= 0; i
< rxdr
->count
; i
++) {
1117 struct e1000_rx_desc
*rx_desc
= E1000_RX_DESC(*rxdr
, i
);
1118 struct sk_buff
*skb
;
1120 skb
= alloc_skb(E1000_RXBUFFER_2048
+ NET_IP_ALIGN
, GFP_KERNEL
);
1125 skb_reserve(skb
, NET_IP_ALIGN
);
1126 rxdr
->buffer_info
[i
].skb
= skb
;
1127 rxdr
->buffer_info
[i
].length
= E1000_RXBUFFER_2048
;
1128 rxdr
->buffer_info
[i
].dma
=
1129 pci_map_single(pdev
, skb
->data
, E1000_RXBUFFER_2048
,
1130 PCI_DMA_FROMDEVICE
);
1131 rx_desc
->buffer_addr
= cpu_to_le64(rxdr
->buffer_info
[i
].dma
);
1132 memset(skb
->data
, 0x00, skb
->len
);
1138 e1000_free_desc_rings(adapter
);
1142 static void e1000_phy_disable_receiver(struct e1000_adapter
*adapter
)
1144 struct e1000_hw
*hw
= &adapter
->hw
;
1146 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1147 e1000_write_phy_reg(hw
, 29, 0x001F);
1148 e1000_write_phy_reg(hw
, 30, 0x8FFC);
1149 e1000_write_phy_reg(hw
, 29, 0x001A);
1150 e1000_write_phy_reg(hw
, 30, 0x8FF0);
1153 static void e1000_phy_reset_clk_and_crs(struct e1000_adapter
*adapter
)
1155 struct e1000_hw
*hw
= &adapter
->hw
;
1158 /* Because we reset the PHY above, we need to re-force TX_CLK in the
1159 * Extended PHY Specific Control Register to 25MHz clock. This
1160 * value defaults back to a 2.5MHz clock when the PHY is reset.
1162 e1000_read_phy_reg(hw
, M88E1000_EXT_PHY_SPEC_CTRL
, &phy_reg
);
1163 phy_reg
|= M88E1000_EPSCR_TX_CLK_25
;
1164 e1000_write_phy_reg(hw
,
1165 M88E1000_EXT_PHY_SPEC_CTRL
, phy_reg
);
1167 /* In addition, because of the s/w reset above, we need to enable
1168 * CRS on TX. This must be set for both full and half duplex
1171 e1000_read_phy_reg(hw
, M88E1000_PHY_SPEC_CTRL
, &phy_reg
);
1172 phy_reg
|= M88E1000_PSCR_ASSERT_CRS_ON_TX
;
1173 e1000_write_phy_reg(hw
,
1174 M88E1000_PHY_SPEC_CTRL
, phy_reg
);
1177 static int e1000_nonintegrated_phy_loopback(struct e1000_adapter
*adapter
)
1179 struct e1000_hw
*hw
= &adapter
->hw
;
1183 /* Setup the Device Control Register for PHY loopback test. */
1185 ctrl_reg
= er32(CTRL
);
1186 ctrl_reg
|= (E1000_CTRL_ILOS
| /* Invert Loss-Of-Signal */
1187 E1000_CTRL_FRCSPD
| /* Set the Force Speed Bit */
1188 E1000_CTRL_FRCDPX
| /* Set the Force Duplex Bit */
1189 E1000_CTRL_SPD_1000
| /* Force Speed to 1000 */
1190 E1000_CTRL_FD
); /* Force Duplex to FULL */
1192 ew32(CTRL
, ctrl_reg
);
1194 /* Read the PHY Specific Control Register (0x10) */
1195 e1000_read_phy_reg(hw
, M88E1000_PHY_SPEC_CTRL
, &phy_reg
);
1197 /* Clear Auto-Crossover bits in PHY Specific Control Register
1200 phy_reg
&= ~M88E1000_PSCR_AUTO_X_MODE
;
1201 e1000_write_phy_reg(hw
, M88E1000_PHY_SPEC_CTRL
, phy_reg
);
1203 /* Perform software reset on the PHY */
1204 e1000_phy_reset(hw
);
1206 /* Have to setup TX_CLK and TX_CRS after software reset */
1207 e1000_phy_reset_clk_and_crs(adapter
);
1209 e1000_write_phy_reg(hw
, PHY_CTRL
, 0x8100);
1211 /* Wait for reset to complete. */
1214 /* Have to setup TX_CLK and TX_CRS after software reset */
1215 e1000_phy_reset_clk_and_crs(adapter
);
1217 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1218 e1000_phy_disable_receiver(adapter
);
1220 /* Set the loopback bit in the PHY control register. */
1221 e1000_read_phy_reg(hw
, PHY_CTRL
, &phy_reg
);
1222 phy_reg
|= MII_CR_LOOPBACK
;
1223 e1000_write_phy_reg(hw
, PHY_CTRL
, phy_reg
);
1225 /* Setup TX_CLK and TX_CRS one more time. */
1226 e1000_phy_reset_clk_and_crs(adapter
);
1228 /* Check Phy Configuration */
1229 e1000_read_phy_reg(hw
, PHY_CTRL
, &phy_reg
);
1230 if (phy_reg
!= 0x4100)
1233 e1000_read_phy_reg(hw
, M88E1000_EXT_PHY_SPEC_CTRL
, &phy_reg
);
1234 if (phy_reg
!= 0x0070)
1237 e1000_read_phy_reg(hw
, 29, &phy_reg
);
1238 if (phy_reg
!= 0x001A)
1244 static int e1000_integrated_phy_loopback(struct e1000_adapter
*adapter
)
1246 struct e1000_hw
*hw
= &adapter
->hw
;
1250 hw
->autoneg
= false;
1252 if (hw
->phy_type
== e1000_phy_m88
) {
1253 /* Auto-MDI/MDIX Off */
1254 e1000_write_phy_reg(hw
,
1255 M88E1000_PHY_SPEC_CTRL
, 0x0808);
1256 /* reset to update Auto-MDI/MDIX */
1257 e1000_write_phy_reg(hw
, PHY_CTRL
, 0x9140);
1259 e1000_write_phy_reg(hw
, PHY_CTRL
, 0x8140);
1262 ctrl_reg
= er32(CTRL
);
1264 /* force 1000, set loopback */
1265 e1000_write_phy_reg(hw
, PHY_CTRL
, 0x4140);
1267 /* Now set up the MAC to the same speed/duplex as the PHY. */
1268 ctrl_reg
= er32(CTRL
);
1269 ctrl_reg
&= ~E1000_CTRL_SPD_SEL
; /* Clear the speed sel bits */
1270 ctrl_reg
|= (E1000_CTRL_FRCSPD
| /* Set the Force Speed Bit */
1271 E1000_CTRL_FRCDPX
| /* Set the Force Duplex Bit */
1272 E1000_CTRL_SPD_1000
|/* Force Speed to 1000 */
1273 E1000_CTRL_FD
); /* Force Duplex to FULL */
1275 if (hw
->media_type
== e1000_media_type_copper
&&
1276 hw
->phy_type
== e1000_phy_m88
)
1277 ctrl_reg
|= E1000_CTRL_ILOS
; /* Invert Loss of Signal */
1279 /* Set the ILOS bit on the fiber Nic is half
1280 * duplex link is detected. */
1281 stat_reg
= er32(STATUS
);
1282 if ((stat_reg
& E1000_STATUS_FD
) == 0)
1283 ctrl_reg
|= (E1000_CTRL_ILOS
| E1000_CTRL_SLU
);
1286 ew32(CTRL
, ctrl_reg
);
1288 /* Disable the receiver on the PHY so when a cable is plugged in, the
1289 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1291 if (hw
->phy_type
== e1000_phy_m88
)
1292 e1000_phy_disable_receiver(adapter
);
1299 static int e1000_set_phy_loopback(struct e1000_adapter
*adapter
)
1301 struct e1000_hw
*hw
= &adapter
->hw
;
1305 switch (hw
->mac_type
) {
1307 if (hw
->media_type
== e1000_media_type_copper
) {
1308 /* Attempt to setup Loopback mode on Non-integrated PHY.
1309 * Some PHY registers get corrupted at random, so
1310 * attempt this 10 times.
1312 while (e1000_nonintegrated_phy_loopback(adapter
) &&
1322 case e1000_82545_rev_3
:
1324 case e1000_82546_rev_3
:
1326 case e1000_82541_rev_2
:
1328 case e1000_82547_rev_2
:
1329 return e1000_integrated_phy_loopback(adapter
);
1332 /* Default PHY loopback work is to read the MII
1333 * control register and assert bit 14 (loopback mode).
1335 e1000_read_phy_reg(hw
, PHY_CTRL
, &phy_reg
);
1336 phy_reg
|= MII_CR_LOOPBACK
;
1337 e1000_write_phy_reg(hw
, PHY_CTRL
, phy_reg
);
1345 static int e1000_setup_loopback_test(struct e1000_adapter
*adapter
)
1347 struct e1000_hw
*hw
= &adapter
->hw
;
1350 if (hw
->media_type
== e1000_media_type_fiber
||
1351 hw
->media_type
== e1000_media_type_internal_serdes
) {
1352 switch (hw
->mac_type
) {
1355 case e1000_82545_rev_3
:
1356 case e1000_82546_rev_3
:
1357 return e1000_set_phy_loopback(adapter
);
1361 rctl
|= E1000_RCTL_LBM_TCVR
;
1365 } else if (hw
->media_type
== e1000_media_type_copper
)
1366 return e1000_set_phy_loopback(adapter
);
1371 static void e1000_loopback_cleanup(struct e1000_adapter
*adapter
)
1373 struct e1000_hw
*hw
= &adapter
->hw
;
1378 rctl
&= ~(E1000_RCTL_LBM_TCVR
| E1000_RCTL_LBM_MAC
);
1381 switch (hw
->mac_type
) {
1384 case e1000_82545_rev_3
:
1385 case e1000_82546_rev_3
:
1388 e1000_read_phy_reg(hw
, PHY_CTRL
, &phy_reg
);
1389 if (phy_reg
& MII_CR_LOOPBACK
) {
1390 phy_reg
&= ~MII_CR_LOOPBACK
;
1391 e1000_write_phy_reg(hw
, PHY_CTRL
, phy_reg
);
1392 e1000_phy_reset(hw
);
1398 static void e1000_create_lbtest_frame(struct sk_buff
*skb
,
1399 unsigned int frame_size
)
1401 memset(skb
->data
, 0xFF, frame_size
);
1403 memset(&skb
->data
[frame_size
/ 2], 0xAA, frame_size
/ 2 - 1);
1404 memset(&skb
->data
[frame_size
/ 2 + 10], 0xBE, 1);
1405 memset(&skb
->data
[frame_size
/ 2 + 12], 0xAF, 1);
1408 static int e1000_check_lbtest_frame(struct sk_buff
*skb
,
1409 unsigned int frame_size
)
1412 if (*(skb
->data
+ 3) == 0xFF) {
1413 if ((*(skb
->data
+ frame_size
/ 2 + 10) == 0xBE) &&
1414 (*(skb
->data
+ frame_size
/ 2 + 12) == 0xAF)) {
1421 static int e1000_run_loopback_test(struct e1000_adapter
*adapter
)
1423 struct e1000_hw
*hw
= &adapter
->hw
;
1424 struct e1000_tx_ring
*txdr
= &adapter
->test_tx_ring
;
1425 struct e1000_rx_ring
*rxdr
= &adapter
->test_rx_ring
;
1426 struct pci_dev
*pdev
= adapter
->pdev
;
1427 int i
, j
, k
, l
, lc
, good_cnt
, ret_val
=0;
1430 ew32(RDT
, rxdr
->count
- 1);
1432 /* Calculate the loop count based on the largest descriptor ring
1433 * The idea is to wrap the largest ring a number of times using 64
1434 * send/receive pairs during each loop
1437 if (rxdr
->count
<= txdr
->count
)
1438 lc
= ((txdr
->count
/ 64) * 2) + 1;
1440 lc
= ((rxdr
->count
/ 64) * 2) + 1;
1443 for (j
= 0; j
<= lc
; j
++) { /* loop count loop */
1444 for (i
= 0; i
< 64; i
++) { /* send the packets */
1445 e1000_create_lbtest_frame(txdr
->buffer_info
[i
].skb
,
1447 pci_dma_sync_single_for_device(pdev
,
1448 txdr
->buffer_info
[k
].dma
,
1449 txdr
->buffer_info
[k
].length
,
1451 if (unlikely(++k
== txdr
->count
)) k
= 0;
1455 time
= jiffies
; /* set the start time for the receive */
1457 do { /* receive the sent packets */
1458 pci_dma_sync_single_for_cpu(pdev
,
1459 rxdr
->buffer_info
[l
].dma
,
1460 rxdr
->buffer_info
[l
].length
,
1461 PCI_DMA_FROMDEVICE
);
1463 ret_val
= e1000_check_lbtest_frame(
1464 rxdr
->buffer_info
[l
].skb
,
1468 if (unlikely(++l
== rxdr
->count
)) l
= 0;
1469 /* time + 20 msecs (200 msecs on 2.4) is more than
1470 * enough time to complete the receives, if it's
1471 * exceeded, break and error off
1473 } while (good_cnt
< 64 && jiffies
< (time
+ 20));
1474 if (good_cnt
!= 64) {
1475 ret_val
= 13; /* ret_val is the same as mis-compare */
1478 if (jiffies
>= (time
+ 2)) {
1479 ret_val
= 14; /* error code for time out error */
1482 } /* end loop count loop */
1486 static int e1000_loopback_test(struct e1000_adapter
*adapter
, u64
*data
)
1488 *data
= e1000_setup_desc_rings(adapter
);
1491 *data
= e1000_setup_loopback_test(adapter
);
1494 *data
= e1000_run_loopback_test(adapter
);
1495 e1000_loopback_cleanup(adapter
);
1498 e1000_free_desc_rings(adapter
);
1503 static int e1000_link_test(struct e1000_adapter
*adapter
, u64
*data
)
1505 struct e1000_hw
*hw
= &adapter
->hw
;
1507 if (hw
->media_type
== e1000_media_type_internal_serdes
) {
1509 hw
->serdes_has_link
= false;
1511 /* On some blade server designs, link establishment
1512 * could take as long as 2-3 minutes */
1514 e1000_check_for_link(hw
);
1515 if (hw
->serdes_has_link
)
1518 } while (i
++ < 3750);
1522 e1000_check_for_link(hw
);
1523 if (hw
->autoneg
) /* if auto_neg is set wait for it */
1526 if (!(er32(STATUS
) & E1000_STATUS_LU
)) {
1533 static int e1000_get_sset_count(struct net_device
*netdev
, int sset
)
1537 return E1000_TEST_LEN
;
1539 return E1000_STATS_LEN
;
1545 static void e1000_diag_test(struct net_device
*netdev
,
1546 struct ethtool_test
*eth_test
, u64
*data
)
1548 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1549 struct e1000_hw
*hw
= &adapter
->hw
;
1550 bool if_running
= netif_running(netdev
);
1552 set_bit(__E1000_TESTING
, &adapter
->flags
);
1553 if (eth_test
->flags
== ETH_TEST_FL_OFFLINE
) {
1556 /* save speed, duplex, autoneg settings */
1557 u16 autoneg_advertised
= hw
->autoneg_advertised
;
1558 u8 forced_speed_duplex
= hw
->forced_speed_duplex
;
1559 u8 autoneg
= hw
->autoneg
;
1561 DPRINTK(HW
, INFO
, "offline testing starting\n");
1563 /* Link test performed before hardware reset so autoneg doesn't
1564 * interfere with test result */
1565 if (e1000_link_test(adapter
, &data
[4]))
1566 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1569 /* indicate we're in test mode */
1572 e1000_reset(adapter
);
1574 if (e1000_reg_test(adapter
, &data
[0]))
1575 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1577 e1000_reset(adapter
);
1578 if (e1000_eeprom_test(adapter
, &data
[1]))
1579 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1581 e1000_reset(adapter
);
1582 if (e1000_intr_test(adapter
, &data
[2]))
1583 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1585 e1000_reset(adapter
);
1586 /* make sure the phy is powered up */
1587 e1000_power_up_phy(adapter
);
1588 if (e1000_loopback_test(adapter
, &data
[3]))
1589 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1591 /* restore speed, duplex, autoneg settings */
1592 hw
->autoneg_advertised
= autoneg_advertised
;
1593 hw
->forced_speed_duplex
= forced_speed_duplex
;
1594 hw
->autoneg
= autoneg
;
1596 e1000_reset(adapter
);
1597 clear_bit(__E1000_TESTING
, &adapter
->flags
);
1601 DPRINTK(HW
, INFO
, "online testing starting\n");
1603 if (e1000_link_test(adapter
, &data
[4]))
1604 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1606 /* Online tests aren't run; pass by default */
1612 clear_bit(__E1000_TESTING
, &adapter
->flags
);
1614 msleep_interruptible(4 * 1000);
1617 static int e1000_wol_exclusion(struct e1000_adapter
*adapter
,
1618 struct ethtool_wolinfo
*wol
)
1620 struct e1000_hw
*hw
= &adapter
->hw
;
1621 int retval
= 1; /* fail by default */
1623 switch (hw
->device_id
) {
1624 case E1000_DEV_ID_82542
:
1625 case E1000_DEV_ID_82543GC_FIBER
:
1626 case E1000_DEV_ID_82543GC_COPPER
:
1627 case E1000_DEV_ID_82544EI_FIBER
:
1628 case E1000_DEV_ID_82546EB_QUAD_COPPER
:
1629 case E1000_DEV_ID_82545EM_FIBER
:
1630 case E1000_DEV_ID_82545EM_COPPER
:
1631 case E1000_DEV_ID_82546GB_QUAD_COPPER
:
1632 case E1000_DEV_ID_82546GB_PCIE
:
1633 /* these don't support WoL at all */
1636 case E1000_DEV_ID_82546EB_FIBER
:
1637 case E1000_DEV_ID_82546GB_FIBER
:
1638 /* Wake events not supported on port B */
1639 if (er32(STATUS
) & E1000_STATUS_FUNC_1
) {
1643 /* return success for non excluded adapter ports */
1646 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3
:
1647 /* quad port adapters only support WoL on port A */
1648 if (!adapter
->quad_port_a
) {
1652 /* return success for non excluded adapter ports */
1656 /* dual port cards only support WoL on port A from now on
1657 * unless it was enabled in the eeprom for port B
1658 * so exclude FUNC_1 ports from having WoL enabled */
1659 if (er32(STATUS
) & E1000_STATUS_FUNC_1
&&
1660 !adapter
->eeprom_wol
) {
1671 static void e1000_get_wol(struct net_device
*netdev
,
1672 struct ethtool_wolinfo
*wol
)
1674 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1675 struct e1000_hw
*hw
= &adapter
->hw
;
1677 wol
->supported
= WAKE_UCAST
| WAKE_MCAST
|
1678 WAKE_BCAST
| WAKE_MAGIC
;
1681 /* this function will set ->supported = 0 and return 1 if wol is not
1682 * supported by this hardware */
1683 if (e1000_wol_exclusion(adapter
, wol
) ||
1684 !device_can_wakeup(&adapter
->pdev
->dev
))
1687 /* apply any specific unsupported masks here */
1688 switch (hw
->device_id
) {
1689 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3
:
1690 /* KSP3 does not suppport UCAST wake-ups */
1691 wol
->supported
&= ~WAKE_UCAST
;
1693 if (adapter
->wol
& E1000_WUFC_EX
)
1694 DPRINTK(DRV
, ERR
, "Interface does not support "
1695 "directed (unicast) frame wake-up packets\n");
1701 if (adapter
->wol
& E1000_WUFC_EX
)
1702 wol
->wolopts
|= WAKE_UCAST
;
1703 if (adapter
->wol
& E1000_WUFC_MC
)
1704 wol
->wolopts
|= WAKE_MCAST
;
1705 if (adapter
->wol
& E1000_WUFC_BC
)
1706 wol
->wolopts
|= WAKE_BCAST
;
1707 if (adapter
->wol
& E1000_WUFC_MAG
)
1708 wol
->wolopts
|= WAKE_MAGIC
;
1713 static int e1000_set_wol(struct net_device
*netdev
, struct ethtool_wolinfo
*wol
)
1715 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1716 struct e1000_hw
*hw
= &adapter
->hw
;
1718 if (wol
->wolopts
& (WAKE_PHY
| WAKE_ARP
| WAKE_MAGICSECURE
))
1721 if (e1000_wol_exclusion(adapter
, wol
) ||
1722 !device_can_wakeup(&adapter
->pdev
->dev
))
1723 return wol
->wolopts
? -EOPNOTSUPP
: 0;
1725 switch (hw
->device_id
) {
1726 case E1000_DEV_ID_82546GB_QUAD_COPPER_KSP3
:
1727 if (wol
->wolopts
& WAKE_UCAST
) {
1728 DPRINTK(DRV
, ERR
, "Interface does not support "
1729 "directed (unicast) frame wake-up packets\n");
1737 /* these settings will always override what we currently have */
1740 if (wol
->wolopts
& WAKE_UCAST
)
1741 adapter
->wol
|= E1000_WUFC_EX
;
1742 if (wol
->wolopts
& WAKE_MCAST
)
1743 adapter
->wol
|= E1000_WUFC_MC
;
1744 if (wol
->wolopts
& WAKE_BCAST
)
1745 adapter
->wol
|= E1000_WUFC_BC
;
1746 if (wol
->wolopts
& WAKE_MAGIC
)
1747 adapter
->wol
|= E1000_WUFC_MAG
;
1749 device_set_wakeup_enable(&adapter
->pdev
->dev
, adapter
->wol
);
1754 /* toggle LED 4 times per second = 2 "blinks" per second */
1755 #define E1000_ID_INTERVAL (HZ/4)
1757 /* bit defines for adapter->led_status */
1758 #define E1000_LED_ON 0
1760 static void e1000_led_blink_callback(unsigned long data
)
1762 struct e1000_adapter
*adapter
= (struct e1000_adapter
*) data
;
1763 struct e1000_hw
*hw
= &adapter
->hw
;
1765 if (test_and_change_bit(E1000_LED_ON
, &adapter
->led_status
))
1770 mod_timer(&adapter
->blink_timer
, jiffies
+ E1000_ID_INTERVAL
);
1773 static int e1000_phys_id(struct net_device
*netdev
, u32 data
)
1775 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1776 struct e1000_hw
*hw
= &adapter
->hw
;
1781 if (!adapter
->blink_timer
.function
) {
1782 init_timer(&adapter
->blink_timer
);
1783 adapter
->blink_timer
.function
= e1000_led_blink_callback
;
1784 adapter
->blink_timer
.data
= (unsigned long)adapter
;
1786 e1000_setup_led(hw
);
1787 mod_timer(&adapter
->blink_timer
, jiffies
);
1788 msleep_interruptible(data
* 1000);
1789 del_timer_sync(&adapter
->blink_timer
);
1792 clear_bit(E1000_LED_ON
, &adapter
->led_status
);
1793 e1000_cleanup_led(hw
);
1798 static int e1000_get_coalesce(struct net_device
*netdev
,
1799 struct ethtool_coalesce
*ec
)
1801 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1803 if (adapter
->hw
.mac_type
< e1000_82545
)
1806 if (adapter
->itr_setting
<= 3)
1807 ec
->rx_coalesce_usecs
= adapter
->itr_setting
;
1809 ec
->rx_coalesce_usecs
= 1000000 / adapter
->itr_setting
;
1814 static int e1000_set_coalesce(struct net_device
*netdev
,
1815 struct ethtool_coalesce
*ec
)
1817 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1818 struct e1000_hw
*hw
= &adapter
->hw
;
1820 if (hw
->mac_type
< e1000_82545
)
1823 if ((ec
->rx_coalesce_usecs
> E1000_MAX_ITR_USECS
) ||
1824 ((ec
->rx_coalesce_usecs
> 3) &&
1825 (ec
->rx_coalesce_usecs
< E1000_MIN_ITR_USECS
)) ||
1826 (ec
->rx_coalesce_usecs
== 2))
1829 if (ec
->rx_coalesce_usecs
<= 3) {
1830 adapter
->itr
= 20000;
1831 adapter
->itr_setting
= ec
->rx_coalesce_usecs
;
1833 adapter
->itr
= (1000000 / ec
->rx_coalesce_usecs
);
1834 adapter
->itr_setting
= adapter
->itr
& ~3;
1837 if (adapter
->itr_setting
!= 0)
1838 ew32(ITR
, 1000000000 / (adapter
->itr
* 256));
1845 static int e1000_nway_reset(struct net_device
*netdev
)
1847 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1848 if (netif_running(netdev
))
1849 e1000_reinit_locked(adapter
);
1853 static void e1000_get_ethtool_stats(struct net_device
*netdev
,
1854 struct ethtool_stats
*stats
, u64
*data
)
1856 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1860 e1000_update_stats(adapter
);
1861 for (i
= 0; i
< E1000_GLOBAL_STATS_LEN
; i
++) {
1862 switch (e1000_gstrings_stats
[i
].type
) {
1864 p
= (char *) netdev
+
1865 e1000_gstrings_stats
[i
].stat_offset
;
1868 p
= (char *) adapter
+
1869 e1000_gstrings_stats
[i
].stat_offset
;
1873 data
[i
] = (e1000_gstrings_stats
[i
].sizeof_stat
==
1874 sizeof(u64
)) ? *(u64
*)p
: *(u32
*)p
;
1876 /* BUG_ON(i != E1000_STATS_LEN); */
1879 static void e1000_get_strings(struct net_device
*netdev
, u32 stringset
,
1885 switch (stringset
) {
1887 memcpy(data
, *e1000_gstrings_test
,
1888 sizeof(e1000_gstrings_test
));
1891 for (i
= 0; i
< E1000_GLOBAL_STATS_LEN
; i
++) {
1892 memcpy(p
, e1000_gstrings_stats
[i
].stat_string
,
1894 p
+= ETH_GSTRING_LEN
;
1896 /* BUG_ON(p - data != E1000_STATS_LEN * ETH_GSTRING_LEN); */
1901 static const struct ethtool_ops e1000_ethtool_ops
= {
1902 .get_settings
= e1000_get_settings
,
1903 .set_settings
= e1000_set_settings
,
1904 .get_drvinfo
= e1000_get_drvinfo
,
1905 .get_regs_len
= e1000_get_regs_len
,
1906 .get_regs
= e1000_get_regs
,
1907 .get_wol
= e1000_get_wol
,
1908 .set_wol
= e1000_set_wol
,
1909 .get_msglevel
= e1000_get_msglevel
,
1910 .set_msglevel
= e1000_set_msglevel
,
1911 .nway_reset
= e1000_nway_reset
,
1912 .get_link
= e1000_get_link
,
1913 .get_eeprom_len
= e1000_get_eeprom_len
,
1914 .get_eeprom
= e1000_get_eeprom
,
1915 .set_eeprom
= e1000_set_eeprom
,
1916 .get_ringparam
= e1000_get_ringparam
,
1917 .set_ringparam
= e1000_set_ringparam
,
1918 .get_pauseparam
= e1000_get_pauseparam
,
1919 .set_pauseparam
= e1000_set_pauseparam
,
1920 .get_rx_csum
= e1000_get_rx_csum
,
1921 .set_rx_csum
= e1000_set_rx_csum
,
1922 .get_tx_csum
= e1000_get_tx_csum
,
1923 .set_tx_csum
= e1000_set_tx_csum
,
1924 .set_sg
= ethtool_op_set_sg
,
1925 .set_tso
= e1000_set_tso
,
1926 .self_test
= e1000_diag_test
,
1927 .get_strings
= e1000_get_strings
,
1928 .phys_id
= e1000_phys_id
,
1929 .get_ethtool_stats
= e1000_get_ethtool_stats
,
1930 .get_sset_count
= e1000_get_sset_count
,
1931 .get_coalesce
= e1000_get_coalesce
,
1932 .set_coalesce
= e1000_set_coalesce
,
1935 void e1000_set_ethtool_ops(struct net_device
*netdev
)
1937 SET_ETHTOOL_OPS(netdev
, &e1000_ethtool_ops
);