1 /*******************************************************************************
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2008 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 */
31 #include <linux/netdevice.h>
32 #include <linux/ethtool.h>
33 #include <linux/pci.h>
34 #include <linux/delay.h>
39 char stat_string
[ETH_GSTRING_LEN
];
44 #define E1000_STAT(m) sizeof(((struct e1000_adapter *)0)->m), \
45 offsetof(struct e1000_adapter, m)
46 static const struct e1000_stats e1000_gstrings_stats
[] = {
47 { "rx_packets", E1000_STAT(stats
.gprc
) },
48 { "tx_packets", E1000_STAT(stats
.gptc
) },
49 { "rx_bytes", E1000_STAT(stats
.gorc
) },
50 { "tx_bytes", E1000_STAT(stats
.gotc
) },
51 { "rx_broadcast", E1000_STAT(stats
.bprc
) },
52 { "tx_broadcast", E1000_STAT(stats
.bptc
) },
53 { "rx_multicast", E1000_STAT(stats
.mprc
) },
54 { "tx_multicast", E1000_STAT(stats
.mptc
) },
55 { "rx_errors", E1000_STAT(net_stats
.rx_errors
) },
56 { "tx_errors", E1000_STAT(net_stats
.tx_errors
) },
57 { "tx_dropped", E1000_STAT(net_stats
.tx_dropped
) },
58 { "multicast", E1000_STAT(stats
.mprc
) },
59 { "collisions", E1000_STAT(stats
.colc
) },
60 { "rx_length_errors", E1000_STAT(net_stats
.rx_length_errors
) },
61 { "rx_over_errors", E1000_STAT(net_stats
.rx_over_errors
) },
62 { "rx_crc_errors", E1000_STAT(stats
.crcerrs
) },
63 { "rx_frame_errors", E1000_STAT(net_stats
.rx_frame_errors
) },
64 { "rx_no_buffer_count", E1000_STAT(stats
.rnbc
) },
65 { "rx_missed_errors", E1000_STAT(stats
.mpc
) },
66 { "tx_aborted_errors", E1000_STAT(stats
.ecol
) },
67 { "tx_carrier_errors", E1000_STAT(stats
.tncrs
) },
68 { "tx_fifo_errors", E1000_STAT(net_stats
.tx_fifo_errors
) },
69 { "tx_heartbeat_errors", E1000_STAT(net_stats
.tx_heartbeat_errors
) },
70 { "tx_window_errors", E1000_STAT(stats
.latecol
) },
71 { "tx_abort_late_coll", E1000_STAT(stats
.latecol
) },
72 { "tx_deferred_ok", E1000_STAT(stats
.dc
) },
73 { "tx_single_coll_ok", E1000_STAT(stats
.scc
) },
74 { "tx_multi_coll_ok", E1000_STAT(stats
.mcc
) },
75 { "tx_timeout_count", E1000_STAT(tx_timeout_count
) },
76 { "tx_restart_queue", E1000_STAT(restart_queue
) },
77 { "rx_long_length_errors", E1000_STAT(stats
.roc
) },
78 { "rx_short_length_errors", E1000_STAT(stats
.ruc
) },
79 { "rx_align_errors", E1000_STAT(stats
.algnerrc
) },
80 { "tx_tcp_seg_good", E1000_STAT(stats
.tsctc
) },
81 { "tx_tcp_seg_failed", E1000_STAT(stats
.tsctfc
) },
82 { "rx_flow_control_xon", E1000_STAT(stats
.xonrxc
) },
83 { "rx_flow_control_xoff", E1000_STAT(stats
.xoffrxc
) },
84 { "tx_flow_control_xon", E1000_STAT(stats
.xontxc
) },
85 { "tx_flow_control_xoff", E1000_STAT(stats
.xofftxc
) },
86 { "rx_long_byte_count", E1000_STAT(stats
.gorc
) },
87 { "rx_csum_offload_good", E1000_STAT(hw_csum_good
) },
88 { "rx_csum_offload_errors", E1000_STAT(hw_csum_err
) },
89 { "rx_header_split", E1000_STAT(rx_hdr_split
) },
90 { "alloc_rx_buff_failed", E1000_STAT(alloc_rx_buff_failed
) },
91 { "tx_smbus", E1000_STAT(stats
.mgptc
) },
92 { "rx_smbus", E1000_STAT(stats
.mgprc
) },
93 { "dropped_smbus", E1000_STAT(stats
.mgpdc
) },
94 { "rx_dma_failed", E1000_STAT(rx_dma_failed
) },
95 { "tx_dma_failed", E1000_STAT(tx_dma_failed
) },
98 #define E1000_GLOBAL_STATS_LEN ARRAY_SIZE(e1000_gstrings_stats)
99 #define E1000_STATS_LEN (E1000_GLOBAL_STATS_LEN)
100 static const char e1000_gstrings_test
[][ETH_GSTRING_LEN
] = {
101 "Register test (offline)", "Eeprom test (offline)",
102 "Interrupt test (offline)", "Loopback test (offline)",
103 "Link test (on/offline)"
105 #define E1000_TEST_LEN ARRAY_SIZE(e1000_gstrings_test)
107 static int e1000_get_settings(struct net_device
*netdev
,
108 struct ethtool_cmd
*ecmd
)
110 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
111 struct e1000_hw
*hw
= &adapter
->hw
;
114 if (hw
->phy
.media_type
== e1000_media_type_copper
) {
116 ecmd
->supported
= (SUPPORTED_10baseT_Half
|
117 SUPPORTED_10baseT_Full
|
118 SUPPORTED_100baseT_Half
|
119 SUPPORTED_100baseT_Full
|
120 SUPPORTED_1000baseT_Full
|
123 if (hw
->phy
.type
== e1000_phy_ife
)
124 ecmd
->supported
&= ~SUPPORTED_1000baseT_Full
;
125 ecmd
->advertising
= ADVERTISED_TP
;
127 if (hw
->mac
.autoneg
== 1) {
128 ecmd
->advertising
|= ADVERTISED_Autoneg
;
129 /* the e1000 autoneg seems to match ethtool nicely */
130 ecmd
->advertising
|= hw
->phy
.autoneg_advertised
;
133 ecmd
->port
= PORT_TP
;
134 ecmd
->phy_address
= hw
->phy
.addr
;
135 ecmd
->transceiver
= XCVR_INTERNAL
;
138 ecmd
->supported
= (SUPPORTED_1000baseT_Full
|
142 ecmd
->advertising
= (ADVERTISED_1000baseT_Full
|
146 ecmd
->port
= PORT_FIBRE
;
147 ecmd
->transceiver
= XCVR_EXTERNAL
;
150 status
= er32(STATUS
);
151 if (status
& E1000_STATUS_LU
) {
152 if (status
& E1000_STATUS_SPEED_1000
)
154 else if (status
& E1000_STATUS_SPEED_100
)
159 if (status
& E1000_STATUS_FD
)
160 ecmd
->duplex
= DUPLEX_FULL
;
162 ecmd
->duplex
= DUPLEX_HALF
;
168 ecmd
->autoneg
= ((hw
->phy
.media_type
== e1000_media_type_fiber
) ||
169 hw
->mac
.autoneg
) ? AUTONEG_ENABLE
: AUTONEG_DISABLE
;
173 static u32
e1000_get_link(struct net_device
*netdev
)
175 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
176 struct e1000_hw
*hw
= &adapter
->hw
;
179 status
= er32(STATUS
);
180 return (status
& E1000_STATUS_LU
) ? 1 : 0;
183 static int e1000_set_spd_dplx(struct e1000_adapter
*adapter
, u16 spddplx
)
185 struct e1000_mac_info
*mac
= &adapter
->hw
.mac
;
189 /* Fiber NICs only allow 1000 gbps Full duplex */
190 if ((adapter
->hw
.phy
.media_type
== e1000_media_type_fiber
) &&
191 spddplx
!= (SPEED_1000
+ DUPLEX_FULL
)) {
192 e_err("Unsupported Speed/Duplex configuration\n");
197 case SPEED_10
+ DUPLEX_HALF
:
198 mac
->forced_speed_duplex
= ADVERTISE_10_HALF
;
200 case SPEED_10
+ DUPLEX_FULL
:
201 mac
->forced_speed_duplex
= ADVERTISE_10_FULL
;
203 case SPEED_100
+ DUPLEX_HALF
:
204 mac
->forced_speed_duplex
= ADVERTISE_100_HALF
;
206 case SPEED_100
+ DUPLEX_FULL
:
207 mac
->forced_speed_duplex
= ADVERTISE_100_FULL
;
209 case SPEED_1000
+ DUPLEX_FULL
:
211 adapter
->hw
.phy
.autoneg_advertised
= ADVERTISE_1000_FULL
;
213 case SPEED_1000
+ DUPLEX_HALF
: /* not supported */
215 e_err("Unsupported Speed/Duplex configuration\n");
221 static int e1000_set_settings(struct net_device
*netdev
,
222 struct ethtool_cmd
*ecmd
)
224 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
225 struct e1000_hw
*hw
= &adapter
->hw
;
228 * When SoL/IDER sessions are active, autoneg/speed/duplex
231 if (e1000_check_reset_block(hw
)) {
232 e_err("Cannot change link characteristics when SoL/IDER is "
237 while (test_and_set_bit(__E1000_RESETTING
, &adapter
->state
))
240 if (ecmd
->autoneg
== AUTONEG_ENABLE
) {
242 if (hw
->phy
.media_type
== e1000_media_type_fiber
)
243 hw
->phy
.autoneg_advertised
= ADVERTISED_1000baseT_Full
|
247 hw
->phy
.autoneg_advertised
= ecmd
->advertising
|
250 ecmd
->advertising
= hw
->phy
.autoneg_advertised
;
251 if (adapter
->fc_autoneg
)
252 hw
->fc
.original_type
= e1000_fc_default
;
254 if (e1000_set_spd_dplx(adapter
, ecmd
->speed
+ ecmd
->duplex
)) {
255 clear_bit(__E1000_RESETTING
, &adapter
->state
);
262 if (netif_running(adapter
->netdev
)) {
263 e1000e_down(adapter
);
266 e1000e_reset(adapter
);
269 clear_bit(__E1000_RESETTING
, &adapter
->state
);
273 static void e1000_get_pauseparam(struct net_device
*netdev
,
274 struct ethtool_pauseparam
*pause
)
276 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
277 struct e1000_hw
*hw
= &adapter
->hw
;
280 (adapter
->fc_autoneg
? AUTONEG_ENABLE
: AUTONEG_DISABLE
);
282 if (hw
->fc
.type
== e1000_fc_rx_pause
) {
284 } else if (hw
->fc
.type
== e1000_fc_tx_pause
) {
286 } else if (hw
->fc
.type
== e1000_fc_full
) {
292 static int e1000_set_pauseparam(struct net_device
*netdev
,
293 struct ethtool_pauseparam
*pause
)
295 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
296 struct e1000_hw
*hw
= &adapter
->hw
;
299 adapter
->fc_autoneg
= pause
->autoneg
;
301 while (test_and_set_bit(__E1000_RESETTING
, &adapter
->state
))
304 if (pause
->rx_pause
&& pause
->tx_pause
)
305 hw
->fc
.type
= e1000_fc_full
;
306 else if (pause
->rx_pause
&& !pause
->tx_pause
)
307 hw
->fc
.type
= e1000_fc_rx_pause
;
308 else if (!pause
->rx_pause
&& pause
->tx_pause
)
309 hw
->fc
.type
= e1000_fc_tx_pause
;
310 else if (!pause
->rx_pause
&& !pause
->tx_pause
)
311 hw
->fc
.type
= e1000_fc_none
;
313 hw
->fc
.original_type
= hw
->fc
.type
;
315 if (adapter
->fc_autoneg
== AUTONEG_ENABLE
) {
316 hw
->fc
.type
= e1000_fc_default
;
317 if (netif_running(adapter
->netdev
)) {
318 e1000e_down(adapter
);
321 e1000e_reset(adapter
);
324 retval
= ((hw
->phy
.media_type
== e1000_media_type_fiber
) ?
325 hw
->mac
.ops
.setup_link(hw
) : e1000e_force_mac_fc(hw
));
328 clear_bit(__E1000_RESETTING
, &adapter
->state
);
332 static u32
e1000_get_rx_csum(struct net_device
*netdev
)
334 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
335 return (adapter
->flags
& FLAG_RX_CSUM_ENABLED
);
338 static int e1000_set_rx_csum(struct net_device
*netdev
, u32 data
)
340 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
343 adapter
->flags
|= FLAG_RX_CSUM_ENABLED
;
345 adapter
->flags
&= ~FLAG_RX_CSUM_ENABLED
;
347 if (netif_running(netdev
))
348 e1000e_reinit_locked(adapter
);
350 e1000e_reset(adapter
);
354 static u32
e1000_get_tx_csum(struct net_device
*netdev
)
356 return ((netdev
->features
& NETIF_F_HW_CSUM
) != 0);
359 static int e1000_set_tx_csum(struct net_device
*netdev
, u32 data
)
362 netdev
->features
|= NETIF_F_HW_CSUM
;
364 netdev
->features
&= ~NETIF_F_HW_CSUM
;
369 static int e1000_set_tso(struct net_device
*netdev
, u32 data
)
371 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
374 netdev
->features
|= NETIF_F_TSO
;
375 netdev
->features
|= NETIF_F_TSO6
;
377 netdev
->features
&= ~NETIF_F_TSO
;
378 netdev
->features
&= ~NETIF_F_TSO6
;
381 e_info("TSO is %s\n", data
? "Enabled" : "Disabled");
382 adapter
->flags
|= FLAG_TSO_FORCE
;
386 static u32
e1000_get_msglevel(struct net_device
*netdev
)
388 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
389 return adapter
->msg_enable
;
392 static void e1000_set_msglevel(struct net_device
*netdev
, u32 data
)
394 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
395 adapter
->msg_enable
= data
;
398 static int e1000_get_regs_len(struct net_device
*netdev
)
400 #define E1000_REGS_LEN 32 /* overestimate */
401 return E1000_REGS_LEN
* sizeof(u32
);
404 static void e1000_get_regs(struct net_device
*netdev
,
405 struct ethtool_regs
*regs
, void *p
)
407 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
408 struct e1000_hw
*hw
= &adapter
->hw
;
413 memset(p
, 0, E1000_REGS_LEN
* sizeof(u32
));
415 pci_read_config_byte(adapter
->pdev
, PCI_REVISION_ID
, &revision_id
);
417 regs
->version
= (1 << 24) | (revision_id
<< 16) | adapter
->pdev
->device
;
419 regs_buff
[0] = er32(CTRL
);
420 regs_buff
[1] = er32(STATUS
);
422 regs_buff
[2] = er32(RCTL
);
423 regs_buff
[3] = er32(RDLEN
);
424 regs_buff
[4] = er32(RDH
);
425 regs_buff
[5] = er32(RDT
);
426 regs_buff
[6] = er32(RDTR
);
428 regs_buff
[7] = er32(TCTL
);
429 regs_buff
[8] = er32(TDLEN
);
430 regs_buff
[9] = er32(TDH
);
431 regs_buff
[10] = er32(TDT
);
432 regs_buff
[11] = er32(TIDV
);
434 regs_buff
[12] = adapter
->hw
.phy
.type
; /* PHY type (IGP=1, M88=0) */
436 /* ethtool doesn't use anything past this point, so all this
437 * code is likely legacy junk for apps that may or may not
439 if (hw
->phy
.type
== e1000_phy_m88
) {
440 e1e_rphy(hw
, M88E1000_PHY_SPEC_STATUS
, &phy_data
);
441 regs_buff
[13] = (u32
)phy_data
; /* cable length */
442 regs_buff
[14] = 0; /* Dummy (to align w/ IGP phy reg dump) */
443 regs_buff
[15] = 0; /* Dummy (to align w/ IGP phy reg dump) */
444 regs_buff
[16] = 0; /* Dummy (to align w/ IGP phy reg dump) */
445 e1e_rphy(hw
, M88E1000_PHY_SPEC_CTRL
, &phy_data
);
446 regs_buff
[17] = (u32
)phy_data
; /* extended 10bt distance */
447 regs_buff
[18] = regs_buff
[13]; /* cable polarity */
448 regs_buff
[19] = 0; /* Dummy (to align w/ IGP phy reg dump) */
449 regs_buff
[20] = regs_buff
[17]; /* polarity correction */
450 /* phy receive errors */
451 regs_buff
[22] = adapter
->phy_stats
.receive_errors
;
452 regs_buff
[23] = regs_buff
[13]; /* mdix mode */
454 regs_buff
[21] = 0; /* was idle_errors */
455 e1e_rphy(hw
, PHY_1000T_STATUS
, &phy_data
);
456 regs_buff
[24] = (u32
)phy_data
; /* phy local receiver status */
457 regs_buff
[25] = regs_buff
[24]; /* phy remote receiver status */
460 static int e1000_get_eeprom_len(struct net_device
*netdev
)
462 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
463 return adapter
->hw
.nvm
.word_size
* 2;
466 static int e1000_get_eeprom(struct net_device
*netdev
,
467 struct ethtool_eeprom
*eeprom
, u8
*bytes
)
469 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
470 struct e1000_hw
*hw
= &adapter
->hw
;
477 if (eeprom
->len
== 0)
480 eeprom
->magic
= adapter
->pdev
->vendor
| (adapter
->pdev
->device
<< 16);
482 first_word
= eeprom
->offset
>> 1;
483 last_word
= (eeprom
->offset
+ eeprom
->len
- 1) >> 1;
485 eeprom_buff
= kmalloc(sizeof(u16
) *
486 (last_word
- first_word
+ 1), GFP_KERNEL
);
490 if (hw
->nvm
.type
== e1000_nvm_eeprom_spi
) {
491 ret_val
= e1000_read_nvm(hw
, first_word
,
492 last_word
- first_word
+ 1,
495 for (i
= 0; i
< last_word
- first_word
+ 1; i
++) {
496 ret_val
= e1000_read_nvm(hw
, first_word
+ i
, 1,
499 /* a read error occurred, throw away the
501 memset(eeprom_buff
, 0xff, sizeof(eeprom_buff
));
507 /* Device's eeprom is always little-endian, word addressable */
508 for (i
= 0; i
< last_word
- first_word
+ 1; i
++)
509 le16_to_cpus(&eeprom_buff
[i
]);
511 memcpy(bytes
, (u8
*)eeprom_buff
+ (eeprom
->offset
& 1), eeprom
->len
);
517 static int e1000_set_eeprom(struct net_device
*netdev
,
518 struct ethtool_eeprom
*eeprom
, u8
*bytes
)
520 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
521 struct e1000_hw
*hw
= &adapter
->hw
;
530 if (eeprom
->len
== 0)
533 if (eeprom
->magic
!= (adapter
->pdev
->vendor
| (adapter
->pdev
->device
<< 16)))
536 if (adapter
->flags
& FLAG_READ_ONLY_NVM
)
539 max_len
= hw
->nvm
.word_size
* 2;
541 first_word
= eeprom
->offset
>> 1;
542 last_word
= (eeprom
->offset
+ eeprom
->len
- 1) >> 1;
543 eeprom_buff
= kmalloc(max_len
, GFP_KERNEL
);
547 ptr
= (void *)eeprom_buff
;
549 if (eeprom
->offset
& 1) {
550 /* need read/modify/write of first changed EEPROM word */
551 /* only the second byte of the word is being modified */
552 ret_val
= e1000_read_nvm(hw
, first_word
, 1, &eeprom_buff
[0]);
555 if (((eeprom
->offset
+ eeprom
->len
) & 1) && (ret_val
== 0))
556 /* need read/modify/write of last changed EEPROM word */
557 /* only the first byte of the word is being modified */
558 ret_val
= e1000_read_nvm(hw
, last_word
, 1,
559 &eeprom_buff
[last_word
- first_word
]);
561 /* Device's eeprom is always little-endian, word addressable */
562 for (i
= 0; i
< last_word
- first_word
+ 1; i
++)
563 le16_to_cpus(&eeprom_buff
[i
]);
565 memcpy(ptr
, bytes
, eeprom
->len
);
567 for (i
= 0; i
< last_word
- first_word
+ 1; i
++)
568 eeprom_buff
[i
] = cpu_to_le16(eeprom_buff
[i
]);
570 ret_val
= e1000_write_nvm(hw
, first_word
,
571 last_word
- first_word
+ 1, eeprom_buff
);
574 * Update the checksum over the first part of the EEPROM if needed
575 * and flush shadow RAM for 82573 controllers
577 if ((ret_val
== 0) && ((first_word
<= NVM_CHECKSUM_REG
) ||
578 (hw
->mac
.type
== e1000_82573
)))
579 e1000e_update_nvm_checksum(hw
);
585 static void e1000_get_drvinfo(struct net_device
*netdev
,
586 struct ethtool_drvinfo
*drvinfo
)
588 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
589 char firmware_version
[32];
592 strncpy(drvinfo
->driver
, e1000e_driver_name
, 32);
593 strncpy(drvinfo
->version
, e1000e_driver_version
, 32);
596 * EEPROM image version # is reported as firmware version # for
599 e1000_read_nvm(&adapter
->hw
, 5, 1, &eeprom_data
);
600 sprintf(firmware_version
, "%d.%d-%d",
601 (eeprom_data
& 0xF000) >> 12,
602 (eeprom_data
& 0x0FF0) >> 4,
603 eeprom_data
& 0x000F);
605 strncpy(drvinfo
->fw_version
, firmware_version
, 32);
606 strncpy(drvinfo
->bus_info
, pci_name(adapter
->pdev
), 32);
607 drvinfo
->regdump_len
= e1000_get_regs_len(netdev
);
608 drvinfo
->eedump_len
= e1000_get_eeprom_len(netdev
);
611 static void e1000_get_ringparam(struct net_device
*netdev
,
612 struct ethtool_ringparam
*ring
)
614 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
615 struct e1000_ring
*tx_ring
= adapter
->tx_ring
;
616 struct e1000_ring
*rx_ring
= adapter
->rx_ring
;
618 ring
->rx_max_pending
= E1000_MAX_RXD
;
619 ring
->tx_max_pending
= E1000_MAX_TXD
;
620 ring
->rx_mini_max_pending
= 0;
621 ring
->rx_jumbo_max_pending
= 0;
622 ring
->rx_pending
= rx_ring
->count
;
623 ring
->tx_pending
= tx_ring
->count
;
624 ring
->rx_mini_pending
= 0;
625 ring
->rx_jumbo_pending
= 0;
628 static int e1000_set_ringparam(struct net_device
*netdev
,
629 struct ethtool_ringparam
*ring
)
631 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
632 struct e1000_ring
*tx_ring
, *tx_old
;
633 struct e1000_ring
*rx_ring
, *rx_old
;
636 if ((ring
->rx_mini_pending
) || (ring
->rx_jumbo_pending
))
639 while (test_and_set_bit(__E1000_RESETTING
, &adapter
->state
))
642 if (netif_running(adapter
->netdev
))
643 e1000e_down(adapter
);
645 tx_old
= adapter
->tx_ring
;
646 rx_old
= adapter
->rx_ring
;
649 tx_ring
= kzalloc(sizeof(struct e1000_ring
), GFP_KERNEL
);
653 * use a memcpy to save any previously configured
654 * items like napi structs from having to be
657 memcpy(tx_ring
, tx_old
, sizeof(struct e1000_ring
));
659 rx_ring
= kzalloc(sizeof(struct e1000_ring
), GFP_KERNEL
);
662 memcpy(rx_ring
, rx_old
, sizeof(struct e1000_ring
));
664 adapter
->tx_ring
= tx_ring
;
665 adapter
->rx_ring
= rx_ring
;
667 rx_ring
->count
= max(ring
->rx_pending
, (u32
)E1000_MIN_RXD
);
668 rx_ring
->count
= min(rx_ring
->count
, (u32
)(E1000_MAX_RXD
));
669 rx_ring
->count
= ALIGN(rx_ring
->count
, REQ_RX_DESCRIPTOR_MULTIPLE
);
671 tx_ring
->count
= max(ring
->tx_pending
, (u32
)E1000_MIN_TXD
);
672 tx_ring
->count
= min(tx_ring
->count
, (u32
)(E1000_MAX_TXD
));
673 tx_ring
->count
= ALIGN(tx_ring
->count
, REQ_TX_DESCRIPTOR_MULTIPLE
);
675 if (netif_running(adapter
->netdev
)) {
676 /* Try to get new resources before deleting old */
677 err
= e1000e_setup_rx_resources(adapter
);
680 err
= e1000e_setup_tx_resources(adapter
);
685 * restore the old in order to free it,
686 * then add in the new
688 adapter
->rx_ring
= rx_old
;
689 adapter
->tx_ring
= tx_old
;
690 e1000e_free_rx_resources(adapter
);
691 e1000e_free_tx_resources(adapter
);
694 adapter
->rx_ring
= rx_ring
;
695 adapter
->tx_ring
= tx_ring
;
696 err
= e1000e_up(adapter
);
701 clear_bit(__E1000_RESETTING
, &adapter
->state
);
704 e1000e_free_rx_resources(adapter
);
706 adapter
->rx_ring
= rx_old
;
707 adapter
->tx_ring
= tx_old
;
714 clear_bit(__E1000_RESETTING
, &adapter
->state
);
718 static bool reg_pattern_test(struct e1000_adapter
*adapter
, u64
*data
,
719 int reg
, int offset
, u32 mask
, u32 write
)
722 static const u32 test
[] =
723 {0x5A5A5A5A, 0xA5A5A5A5, 0x00000000, 0xFFFFFFFF};
724 for (pat
= 0; pat
< ARRAY_SIZE(test
); pat
++) {
725 E1000_WRITE_REG_ARRAY(&adapter
->hw
, reg
, offset
,
726 (test
[pat
] & write
));
727 val
= E1000_READ_REG_ARRAY(&adapter
->hw
, reg
, offset
);
728 if (val
!= (test
[pat
] & write
& mask
)) {
729 e_err("pattern test reg %04X failed: got 0x%08X "
730 "expected 0x%08X\n", reg
+ offset
, val
,
731 (test
[pat
] & write
& mask
));
739 static bool reg_set_and_check(struct e1000_adapter
*adapter
, u64
*data
,
740 int reg
, u32 mask
, u32 write
)
743 __ew32(&adapter
->hw
, reg
, write
& mask
);
744 val
= __er32(&adapter
->hw
, reg
);
745 if ((write
& mask
) != (val
& mask
)) {
746 e_err("set/check reg %04X test failed: got 0x%08X "
747 "expected 0x%08X\n", reg
, (val
& mask
), (write
& mask
));
753 #define REG_PATTERN_TEST_ARRAY(reg, offset, mask, write) \
755 if (reg_pattern_test(adapter, data, reg, offset, mask, write)) \
758 #define REG_PATTERN_TEST(reg, mask, write) \
759 REG_PATTERN_TEST_ARRAY(reg, 0, mask, write)
761 #define REG_SET_AND_CHECK(reg, mask, write) \
763 if (reg_set_and_check(adapter, data, reg, mask, write)) \
767 static int e1000_reg_test(struct e1000_adapter
*adapter
, u64
*data
)
769 struct e1000_hw
*hw
= &adapter
->hw
;
770 struct e1000_mac_info
*mac
= &adapter
->hw
.mac
;
778 * The status register is Read Only, so a write should fail.
779 * Some bits that get toggled are ignored.
782 /* there are several bits on newer hardware that are r/w */
785 case e1000_80003es2lan
:
798 before
= er32(STATUS
);
799 value
= (er32(STATUS
) & toggle
);
800 ew32(STATUS
, toggle
);
801 after
= er32(STATUS
) & toggle
;
802 if (value
!= after
) {
803 e_err("failed STATUS register test got: 0x%08X expected: "
804 "0x%08X\n", after
, value
);
808 /* restore previous status */
809 ew32(STATUS
, before
);
811 if (!(adapter
->flags
& FLAG_IS_ICH
)) {
812 REG_PATTERN_TEST(E1000_FCAL
, 0xFFFFFFFF, 0xFFFFFFFF);
813 REG_PATTERN_TEST(E1000_FCAH
, 0x0000FFFF, 0xFFFFFFFF);
814 REG_PATTERN_TEST(E1000_FCT
, 0x0000FFFF, 0xFFFFFFFF);
815 REG_PATTERN_TEST(E1000_VET
, 0x0000FFFF, 0xFFFFFFFF);
818 REG_PATTERN_TEST(E1000_RDTR
, 0x0000FFFF, 0xFFFFFFFF);
819 REG_PATTERN_TEST(E1000_RDBAH
, 0xFFFFFFFF, 0xFFFFFFFF);
820 REG_PATTERN_TEST(E1000_RDLEN
, 0x000FFF80, 0x000FFFFF);
821 REG_PATTERN_TEST(E1000_RDH
, 0x0000FFFF, 0x0000FFFF);
822 REG_PATTERN_TEST(E1000_RDT
, 0x0000FFFF, 0x0000FFFF);
823 REG_PATTERN_TEST(E1000_FCRTH
, 0x0000FFF8, 0x0000FFF8);
824 REG_PATTERN_TEST(E1000_FCTTV
, 0x0000FFFF, 0x0000FFFF);
825 REG_PATTERN_TEST(E1000_TIPG
, 0x3FFFFFFF, 0x3FFFFFFF);
826 REG_PATTERN_TEST(E1000_TDBAH
, 0xFFFFFFFF, 0xFFFFFFFF);
827 REG_PATTERN_TEST(E1000_TDLEN
, 0x000FFF80, 0x000FFFFF);
829 REG_SET_AND_CHECK(E1000_RCTL
, 0xFFFFFFFF, 0x00000000);
831 before
= ((adapter
->flags
& FLAG_IS_ICH
) ? 0x06C3B33E : 0x06DFB3FE);
832 REG_SET_AND_CHECK(E1000_RCTL
, before
, 0x003FFFFB);
833 REG_SET_AND_CHECK(E1000_TCTL
, 0xFFFFFFFF, 0x00000000);
835 REG_SET_AND_CHECK(E1000_RCTL
, before
, 0xFFFFFFFF);
836 REG_PATTERN_TEST(E1000_RDBAL
, 0xFFFFFFF0, 0xFFFFFFFF);
837 if (!(adapter
->flags
& FLAG_IS_ICH
))
838 REG_PATTERN_TEST(E1000_TXCW
, 0xC000FFFF, 0x0000FFFF);
839 REG_PATTERN_TEST(E1000_TDBAL
, 0xFFFFFFF0, 0xFFFFFFFF);
840 REG_PATTERN_TEST(E1000_TIDV
, 0x0000FFFF, 0x0000FFFF);
841 for (i
= 0; i
< mac
->rar_entry_count
; i
++)
842 REG_PATTERN_TEST_ARRAY(E1000_RA
, ((i
<< 1) + 1),
843 0x8003FFFF, 0xFFFFFFFF);
845 for (i
= 0; i
< mac
->mta_reg_count
; i
++)
846 REG_PATTERN_TEST_ARRAY(E1000_MTA
, i
, 0xFFFFFFFF, 0xFFFFFFFF);
852 static int e1000_eeprom_test(struct e1000_adapter
*adapter
, u64
*data
)
859 /* Read and add up the contents of the EEPROM */
860 for (i
= 0; i
< (NVM_CHECKSUM_REG
+ 1); i
++) {
861 if ((e1000_read_nvm(&adapter
->hw
, i
, 1, &temp
)) < 0) {
868 /* If Checksum is not Correct return error else test passed */
869 if ((checksum
!= (u16
) NVM_SUM
) && !(*data
))
875 static irqreturn_t
e1000_test_intr(int irq
, void *data
)
877 struct net_device
*netdev
= (struct net_device
*) data
;
878 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
879 struct e1000_hw
*hw
= &adapter
->hw
;
881 adapter
->test_icr
|= er32(ICR
);
886 static int e1000_intr_test(struct e1000_adapter
*adapter
, u64
*data
)
888 struct net_device
*netdev
= adapter
->netdev
;
889 struct e1000_hw
*hw
= &adapter
->hw
;
892 u32 irq
= adapter
->pdev
->irq
;
897 /* NOTE: we don't test MSI interrupts here, yet */
898 /* Hook up test interrupt handler just for this test */
899 if (!request_irq(irq
, &e1000_test_intr
, IRQF_PROBE_SHARED
, netdev
->name
,
902 } else if (request_irq(irq
, &e1000_test_intr
, IRQF_SHARED
,
903 netdev
->name
, netdev
)) {
907 e_info("testing %s interrupt\n", (shared_int
? "shared" : "unshared"));
909 /* Disable all the interrupts */
910 ew32(IMC
, 0xFFFFFFFF);
913 /* Test each interrupt */
914 for (i
= 0; i
< 10; i
++) {
915 if ((adapter
->flags
& FLAG_IS_ICH
) && (i
== 8))
918 /* Interrupt to test */
923 * Disable the interrupt to be reported in
924 * the cause register and then force the same
925 * interrupt and see if one gets posted. If
926 * an interrupt was posted to the bus, the
929 adapter
->test_icr
= 0;
934 if (adapter
->test_icr
& mask
) {
941 * Enable the interrupt to be reported in
942 * the cause register and then force the same
943 * interrupt and see if one gets posted. If
944 * an interrupt was not posted to the bus, the
947 adapter
->test_icr
= 0;
952 if (!(adapter
->test_icr
& mask
)) {
959 * Disable the other interrupts to be reported in
960 * the cause register and then force the other
961 * interrupts and see if any get posted. If
962 * an interrupt was posted to the bus, the
965 adapter
->test_icr
= 0;
966 ew32(IMC
, ~mask
& 0x00007FFF);
967 ew32(ICS
, ~mask
& 0x00007FFF);
970 if (adapter
->test_icr
) {
977 /* Disable all the interrupts */
978 ew32(IMC
, 0xFFFFFFFF);
981 /* Unhook test interrupt handler */
982 free_irq(irq
, netdev
);
987 static void e1000_free_desc_rings(struct e1000_adapter
*adapter
)
989 struct e1000_ring
*tx_ring
= &adapter
->test_tx_ring
;
990 struct e1000_ring
*rx_ring
= &adapter
->test_rx_ring
;
991 struct pci_dev
*pdev
= adapter
->pdev
;
994 if (tx_ring
->desc
&& tx_ring
->buffer_info
) {
995 for (i
= 0; i
< tx_ring
->count
; i
++) {
996 if (tx_ring
->buffer_info
[i
].dma
)
997 pci_unmap_single(pdev
,
998 tx_ring
->buffer_info
[i
].dma
,
999 tx_ring
->buffer_info
[i
].length
,
1001 if (tx_ring
->buffer_info
[i
].skb
)
1002 dev_kfree_skb(tx_ring
->buffer_info
[i
].skb
);
1006 if (rx_ring
->desc
&& rx_ring
->buffer_info
) {
1007 for (i
= 0; i
< rx_ring
->count
; i
++) {
1008 if (rx_ring
->buffer_info
[i
].dma
)
1009 pci_unmap_single(pdev
,
1010 rx_ring
->buffer_info
[i
].dma
,
1011 2048, PCI_DMA_FROMDEVICE
);
1012 if (rx_ring
->buffer_info
[i
].skb
)
1013 dev_kfree_skb(rx_ring
->buffer_info
[i
].skb
);
1017 if (tx_ring
->desc
) {
1018 dma_free_coherent(&pdev
->dev
, tx_ring
->size
, tx_ring
->desc
,
1020 tx_ring
->desc
= NULL
;
1022 if (rx_ring
->desc
) {
1023 dma_free_coherent(&pdev
->dev
, rx_ring
->size
, rx_ring
->desc
,
1025 rx_ring
->desc
= NULL
;
1028 kfree(tx_ring
->buffer_info
);
1029 tx_ring
->buffer_info
= NULL
;
1030 kfree(rx_ring
->buffer_info
);
1031 rx_ring
->buffer_info
= NULL
;
1034 static int e1000_setup_desc_rings(struct e1000_adapter
*adapter
)
1036 struct e1000_ring
*tx_ring
= &adapter
->test_tx_ring
;
1037 struct e1000_ring
*rx_ring
= &adapter
->test_rx_ring
;
1038 struct pci_dev
*pdev
= adapter
->pdev
;
1039 struct e1000_hw
*hw
= &adapter
->hw
;
1044 /* Setup Tx descriptor ring and Tx buffers */
1046 if (!tx_ring
->count
)
1047 tx_ring
->count
= E1000_DEFAULT_TXD
;
1049 tx_ring
->buffer_info
= kcalloc(tx_ring
->count
,
1050 sizeof(struct e1000_buffer
),
1052 if (!(tx_ring
->buffer_info
)) {
1057 tx_ring
->size
= tx_ring
->count
* sizeof(struct e1000_tx_desc
);
1058 tx_ring
->size
= ALIGN(tx_ring
->size
, 4096);
1059 tx_ring
->desc
= dma_alloc_coherent(&pdev
->dev
, tx_ring
->size
,
1060 &tx_ring
->dma
, GFP_KERNEL
);
1061 if (!tx_ring
->desc
) {
1065 tx_ring
->next_to_use
= 0;
1066 tx_ring
->next_to_clean
= 0;
1068 ew32(TDBAL
, ((u64
) tx_ring
->dma
& 0x00000000FFFFFFFF));
1069 ew32(TDBAH
, ((u64
) tx_ring
->dma
>> 32));
1070 ew32(TDLEN
, tx_ring
->count
* sizeof(struct e1000_tx_desc
));
1073 ew32(TCTL
, E1000_TCTL_PSP
| E1000_TCTL_EN
| E1000_TCTL_MULR
|
1074 E1000_COLLISION_THRESHOLD
<< E1000_CT_SHIFT
|
1075 E1000_COLLISION_DISTANCE
<< E1000_COLD_SHIFT
);
1077 for (i
= 0; i
< tx_ring
->count
; i
++) {
1078 struct e1000_tx_desc
*tx_desc
= E1000_TX_DESC(*tx_ring
, i
);
1079 struct sk_buff
*skb
;
1080 unsigned int skb_size
= 1024;
1082 skb
= alloc_skb(skb_size
, GFP_KERNEL
);
1087 skb_put(skb
, skb_size
);
1088 tx_ring
->buffer_info
[i
].skb
= skb
;
1089 tx_ring
->buffer_info
[i
].length
= skb
->len
;
1090 tx_ring
->buffer_info
[i
].dma
=
1091 pci_map_single(pdev
, skb
->data
, skb
->len
,
1093 if (pci_dma_mapping_error(pdev
, tx_ring
->buffer_info
[i
].dma
)) {
1097 tx_desc
->buffer_addr
= cpu_to_le64(tx_ring
->buffer_info
[i
].dma
);
1098 tx_desc
->lower
.data
= cpu_to_le32(skb
->len
);
1099 tx_desc
->lower
.data
|= cpu_to_le32(E1000_TXD_CMD_EOP
|
1100 E1000_TXD_CMD_IFCS
|
1102 tx_desc
->upper
.data
= 0;
1105 /* Setup Rx descriptor ring and Rx buffers */
1107 if (!rx_ring
->count
)
1108 rx_ring
->count
= E1000_DEFAULT_RXD
;
1110 rx_ring
->buffer_info
= kcalloc(rx_ring
->count
,
1111 sizeof(struct e1000_buffer
),
1113 if (!(rx_ring
->buffer_info
)) {
1118 rx_ring
->size
= rx_ring
->count
* sizeof(struct e1000_rx_desc
);
1119 rx_ring
->desc
= dma_alloc_coherent(&pdev
->dev
, rx_ring
->size
,
1120 &rx_ring
->dma
, GFP_KERNEL
);
1121 if (!rx_ring
->desc
) {
1125 rx_ring
->next_to_use
= 0;
1126 rx_ring
->next_to_clean
= 0;
1129 ew32(RCTL
, rctl
& ~E1000_RCTL_EN
);
1130 ew32(RDBAL
, ((u64
) rx_ring
->dma
& 0xFFFFFFFF));
1131 ew32(RDBAH
, ((u64
) rx_ring
->dma
>> 32));
1132 ew32(RDLEN
, rx_ring
->size
);
1135 rctl
= E1000_RCTL_EN
| E1000_RCTL_BAM
| E1000_RCTL_SZ_2048
|
1136 E1000_RCTL_UPE
| E1000_RCTL_MPE
| E1000_RCTL_LPE
|
1137 E1000_RCTL_SBP
| E1000_RCTL_SECRC
|
1138 E1000_RCTL_LBM_NO
| E1000_RCTL_RDMTS_HALF
|
1139 (adapter
->hw
.mac
.mc_filter_type
<< E1000_RCTL_MO_SHIFT
);
1142 for (i
= 0; i
< rx_ring
->count
; i
++) {
1143 struct e1000_rx_desc
*rx_desc
= E1000_RX_DESC(*rx_ring
, i
);
1144 struct sk_buff
*skb
;
1146 skb
= alloc_skb(2048 + NET_IP_ALIGN
, GFP_KERNEL
);
1151 skb_reserve(skb
, NET_IP_ALIGN
);
1152 rx_ring
->buffer_info
[i
].skb
= skb
;
1153 rx_ring
->buffer_info
[i
].dma
=
1154 pci_map_single(pdev
, skb
->data
, 2048,
1155 PCI_DMA_FROMDEVICE
);
1156 if (pci_dma_mapping_error(pdev
, rx_ring
->buffer_info
[i
].dma
)) {
1160 rx_desc
->buffer_addr
=
1161 cpu_to_le64(rx_ring
->buffer_info
[i
].dma
);
1162 memset(skb
->data
, 0x00, skb
->len
);
1168 e1000_free_desc_rings(adapter
);
1172 static void e1000_phy_disable_receiver(struct e1000_adapter
*adapter
)
1174 /* Write out to PHY registers 29 and 30 to disable the Receiver. */
1175 e1e_wphy(&adapter
->hw
, 29, 0x001F);
1176 e1e_wphy(&adapter
->hw
, 30, 0x8FFC);
1177 e1e_wphy(&adapter
->hw
, 29, 0x001A);
1178 e1e_wphy(&adapter
->hw
, 30, 0x8FF0);
1181 static int e1000_integrated_phy_loopback(struct e1000_adapter
*adapter
)
1183 struct e1000_hw
*hw
= &adapter
->hw
;
1188 hw
->mac
.autoneg
= 0;
1190 if (hw
->phy
.type
== e1000_phy_m88
) {
1191 /* Auto-MDI/MDIX Off */
1192 e1e_wphy(hw
, M88E1000_PHY_SPEC_CTRL
, 0x0808);
1193 /* reset to update Auto-MDI/MDIX */
1194 e1e_wphy(hw
, PHY_CONTROL
, 0x9140);
1196 e1e_wphy(hw
, PHY_CONTROL
, 0x8140);
1197 } else if (hw
->phy
.type
== e1000_phy_gg82563
)
1198 e1e_wphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, 0x1CC);
1200 ctrl_reg
= er32(CTRL
);
1202 switch (hw
->phy
.type
) {
1204 /* force 100, set loopback */
1205 e1e_wphy(hw
, PHY_CONTROL
, 0x6100);
1207 /* Now set up the MAC to the same speed/duplex as the PHY. */
1208 ctrl_reg
&= ~E1000_CTRL_SPD_SEL
; /* Clear the speed sel bits */
1209 ctrl_reg
|= (E1000_CTRL_FRCSPD
| /* Set the Force Speed Bit */
1210 E1000_CTRL_FRCDPX
| /* Set the Force Duplex Bit */
1211 E1000_CTRL_SPD_100
|/* Force Speed to 100 */
1212 E1000_CTRL_FD
); /* Force Duplex to FULL */
1215 /* Set Default MAC Interface speed to 1GB */
1216 e1e_rphy(hw
, PHY_REG(2, 21), &phy_reg
);
1219 e1e_wphy(hw
, PHY_REG(2, 21), phy_reg
);
1220 /* Assert SW reset for above settings to take effect */
1221 e1000e_commit_phy(hw
);
1223 /* Force Full Duplex */
1224 e1e_rphy(hw
, PHY_REG(769, 16), &phy_reg
);
1225 e1e_wphy(hw
, PHY_REG(769, 16), phy_reg
| 0x000C);
1226 /* Set Link Up (in force link) */
1227 e1e_rphy(hw
, PHY_REG(776, 16), &phy_reg
);
1228 e1e_wphy(hw
, PHY_REG(776, 16), phy_reg
| 0x0040);
1230 e1e_rphy(hw
, PHY_REG(769, 16), &phy_reg
);
1231 e1e_wphy(hw
, PHY_REG(769, 16), phy_reg
| 0x0040);
1232 /* Set Early Link Enable */
1233 e1e_rphy(hw
, PHY_REG(769, 20), &phy_reg
);
1234 e1e_wphy(hw
, PHY_REG(769, 20), phy_reg
| 0x0400);
1237 /* force 1000, set loopback */
1238 e1e_wphy(hw
, PHY_CONTROL
, 0x4140);
1241 /* Now set up the MAC to the same speed/duplex as the PHY. */
1242 ctrl_reg
= er32(CTRL
);
1243 ctrl_reg
&= ~E1000_CTRL_SPD_SEL
; /* Clear the speed sel bits */
1244 ctrl_reg
|= (E1000_CTRL_FRCSPD
| /* Set the Force Speed Bit */
1245 E1000_CTRL_FRCDPX
| /* Set the Force Duplex Bit */
1246 E1000_CTRL_SPD_1000
|/* Force Speed to 1000 */
1247 E1000_CTRL_FD
); /* Force Duplex to FULL */
1249 if (adapter
->flags
& FLAG_IS_ICH
)
1250 ctrl_reg
|= E1000_CTRL_SLU
; /* Set Link Up */
1253 if (hw
->phy
.media_type
== e1000_media_type_copper
&&
1254 hw
->phy
.type
== e1000_phy_m88
) {
1255 ctrl_reg
|= E1000_CTRL_ILOS
; /* Invert Loss of Signal */
1258 * Set the ILOS bit on the fiber Nic if half duplex link is
1261 stat_reg
= er32(STATUS
);
1262 if ((stat_reg
& E1000_STATUS_FD
) == 0)
1263 ctrl_reg
|= (E1000_CTRL_ILOS
| E1000_CTRL_SLU
);
1266 ew32(CTRL
, ctrl_reg
);
1269 * Disable the receiver on the PHY so when a cable is plugged in, the
1270 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
1272 if (hw
->phy
.type
== e1000_phy_m88
)
1273 e1000_phy_disable_receiver(adapter
);
1280 static int e1000_set_82571_fiber_loopback(struct e1000_adapter
*adapter
)
1282 struct e1000_hw
*hw
= &adapter
->hw
;
1283 u32 ctrl
= er32(CTRL
);
1286 /* special requirements for 82571/82572 fiber adapters */
1289 * jump through hoops to make sure link is up because serdes
1290 * link is hardwired up
1292 ctrl
|= E1000_CTRL_SLU
;
1295 /* disable autoneg */
1300 link
= (er32(STATUS
) & E1000_STATUS_LU
);
1303 /* set invert loss of signal */
1305 ctrl
|= E1000_CTRL_ILOS
;
1310 * special write to serdes control register to enable SerDes analog
1313 #define E1000_SERDES_LB_ON 0x410
1314 ew32(SCTL
, E1000_SERDES_LB_ON
);
1320 /* only call this for fiber/serdes connections to es2lan */
1321 static int e1000_set_es2lan_mac_loopback(struct e1000_adapter
*adapter
)
1323 struct e1000_hw
*hw
= &adapter
->hw
;
1324 u32 ctrlext
= er32(CTRL_EXT
);
1325 u32 ctrl
= er32(CTRL
);
1328 * save CTRL_EXT to restore later, reuse an empty variable (unused
1329 * on mac_type 80003es2lan)
1331 adapter
->tx_fifo_head
= ctrlext
;
1333 /* clear the serdes mode bits, putting the device into mac loopback */
1334 ctrlext
&= ~E1000_CTRL_EXT_LINK_MODE_PCIE_SERDES
;
1335 ew32(CTRL_EXT
, ctrlext
);
1337 /* force speed to 1000/FD, link up */
1338 ctrl
&= ~(E1000_CTRL_SPD_1000
| E1000_CTRL_SPD_100
);
1339 ctrl
|= (E1000_CTRL_SLU
| E1000_CTRL_FRCSPD
| E1000_CTRL_FRCDPX
|
1340 E1000_CTRL_SPD_1000
| E1000_CTRL_FD
);
1343 /* set mac loopback */
1345 ctrl
|= E1000_RCTL_LBM_MAC
;
1348 /* set testing mode parameters (no need to reset later) */
1349 #define KMRNCTRLSTA_OPMODE (0x1F << 16)
1350 #define KMRNCTRLSTA_OPMODE_1GB_FD_GMII 0x0582
1352 (KMRNCTRLSTA_OPMODE
| KMRNCTRLSTA_OPMODE_1GB_FD_GMII
));
1357 static int e1000_setup_loopback_test(struct e1000_adapter
*adapter
)
1359 struct e1000_hw
*hw
= &adapter
->hw
;
1362 if (hw
->phy
.media_type
== e1000_media_type_fiber
||
1363 hw
->phy
.media_type
== e1000_media_type_internal_serdes
) {
1364 switch (hw
->mac
.type
) {
1365 case e1000_80003es2lan
:
1366 return e1000_set_es2lan_mac_loopback(adapter
);
1370 return e1000_set_82571_fiber_loopback(adapter
);
1374 rctl
|= E1000_RCTL_LBM_TCVR
;
1378 } else if (hw
->phy
.media_type
== e1000_media_type_copper
) {
1379 return e1000_integrated_phy_loopback(adapter
);
1385 static void e1000_loopback_cleanup(struct e1000_adapter
*adapter
)
1387 struct e1000_hw
*hw
= &adapter
->hw
;
1392 rctl
&= ~(E1000_RCTL_LBM_TCVR
| E1000_RCTL_LBM_MAC
);
1395 switch (hw
->mac
.type
) {
1396 case e1000_80003es2lan
:
1397 if (hw
->phy
.media_type
== e1000_media_type_fiber
||
1398 hw
->phy
.media_type
== e1000_media_type_internal_serdes
) {
1399 /* restore CTRL_EXT, stealing space from tx_fifo_head */
1400 ew32(CTRL_EXT
, adapter
->tx_fifo_head
);
1401 adapter
->tx_fifo_head
= 0;
1406 if (hw
->phy
.media_type
== e1000_media_type_fiber
||
1407 hw
->phy
.media_type
== e1000_media_type_internal_serdes
) {
1408 #define E1000_SERDES_LB_OFF 0x400
1409 ew32(SCTL
, E1000_SERDES_LB_OFF
);
1415 hw
->mac
.autoneg
= 1;
1416 if (hw
->phy
.type
== e1000_phy_gg82563
)
1417 e1e_wphy(hw
, GG82563_PHY_KMRN_MODE_CTRL
, 0x180);
1418 e1e_rphy(hw
, PHY_CONTROL
, &phy_reg
);
1419 if (phy_reg
& MII_CR_LOOPBACK
) {
1420 phy_reg
&= ~MII_CR_LOOPBACK
;
1421 e1e_wphy(hw
, PHY_CONTROL
, phy_reg
);
1422 e1000e_commit_phy(hw
);
1428 static void e1000_create_lbtest_frame(struct sk_buff
*skb
,
1429 unsigned int frame_size
)
1431 memset(skb
->data
, 0xFF, frame_size
);
1433 memset(&skb
->data
[frame_size
/ 2], 0xAA, frame_size
/ 2 - 1);
1434 memset(&skb
->data
[frame_size
/ 2 + 10], 0xBE, 1);
1435 memset(&skb
->data
[frame_size
/ 2 + 12], 0xAF, 1);
1438 static int e1000_check_lbtest_frame(struct sk_buff
*skb
,
1439 unsigned int frame_size
)
1442 if (*(skb
->data
+ 3) == 0xFF)
1443 if ((*(skb
->data
+ frame_size
/ 2 + 10) == 0xBE) &&
1444 (*(skb
->data
+ frame_size
/ 2 + 12) == 0xAF))
1449 static int e1000_run_loopback_test(struct e1000_adapter
*adapter
)
1451 struct e1000_ring
*tx_ring
= &adapter
->test_tx_ring
;
1452 struct e1000_ring
*rx_ring
= &adapter
->test_rx_ring
;
1453 struct pci_dev
*pdev
= adapter
->pdev
;
1454 struct e1000_hw
*hw
= &adapter
->hw
;
1461 ew32(RDT
, rx_ring
->count
- 1);
1464 * Calculate the loop count based on the largest descriptor ring
1465 * The idea is to wrap the largest ring a number of times using 64
1466 * send/receive pairs during each loop
1469 if (rx_ring
->count
<= tx_ring
->count
)
1470 lc
= ((tx_ring
->count
/ 64) * 2) + 1;
1472 lc
= ((rx_ring
->count
/ 64) * 2) + 1;
1476 for (j
= 0; j
<= lc
; j
++) { /* loop count loop */
1477 for (i
= 0; i
< 64; i
++) { /* send the packets */
1478 e1000_create_lbtest_frame(tx_ring
->buffer_info
[k
].skb
,
1480 pci_dma_sync_single_for_device(pdev
,
1481 tx_ring
->buffer_info
[k
].dma
,
1482 tx_ring
->buffer_info
[k
].length
,
1485 if (k
== tx_ring
->count
)
1490 time
= jiffies
; /* set the start time for the receive */
1492 do { /* receive the sent packets */
1493 pci_dma_sync_single_for_cpu(pdev
,
1494 rx_ring
->buffer_info
[l
].dma
, 2048,
1495 PCI_DMA_FROMDEVICE
);
1497 ret_val
= e1000_check_lbtest_frame(
1498 rx_ring
->buffer_info
[l
].skb
, 1024);
1502 if (l
== rx_ring
->count
)
1505 * time + 20 msecs (200 msecs on 2.4) is more than
1506 * enough time to complete the receives, if it's
1507 * exceeded, break and error off
1509 } while ((good_cnt
< 64) && !time_after(jiffies
, time
+ 20));
1510 if (good_cnt
!= 64) {
1511 ret_val
= 13; /* ret_val is the same as mis-compare */
1514 if (jiffies
>= (time
+ 20)) {
1515 ret_val
= 14; /* error code for time out error */
1518 } /* end loop count loop */
1522 static int e1000_loopback_test(struct e1000_adapter
*adapter
, u64
*data
)
1525 * PHY loopback cannot be performed if SoL/IDER
1526 * sessions are active
1528 if (e1000_check_reset_block(&adapter
->hw
)) {
1529 e_err("Cannot do PHY loopback test when SoL/IDER is active.\n");
1534 *data
= e1000_setup_desc_rings(adapter
);
1538 *data
= e1000_setup_loopback_test(adapter
);
1542 *data
= e1000_run_loopback_test(adapter
);
1543 e1000_loopback_cleanup(adapter
);
1546 e1000_free_desc_rings(adapter
);
1551 static int e1000_link_test(struct e1000_adapter
*adapter
, u64
*data
)
1553 struct e1000_hw
*hw
= &adapter
->hw
;
1556 if (hw
->phy
.media_type
== e1000_media_type_internal_serdes
) {
1558 hw
->mac
.serdes_has_link
= 0;
1561 * On some blade server designs, link establishment
1562 * could take as long as 2-3 minutes
1565 hw
->mac
.ops
.check_for_link(hw
);
1566 if (hw
->mac
.serdes_has_link
)
1569 } while (i
++ < 3750);
1573 hw
->mac
.ops
.check_for_link(hw
);
1574 if (hw
->mac
.autoneg
)
1577 if (!(er32(STATUS
) &
1584 static int e1000e_get_sset_count(struct net_device
*netdev
, int sset
)
1588 return E1000_TEST_LEN
;
1590 return E1000_STATS_LEN
;
1596 static void e1000_diag_test(struct net_device
*netdev
,
1597 struct ethtool_test
*eth_test
, u64
*data
)
1599 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1600 u16 autoneg_advertised
;
1601 u8 forced_speed_duplex
;
1603 bool if_running
= netif_running(netdev
);
1605 set_bit(__E1000_TESTING
, &adapter
->state
);
1606 if (eth_test
->flags
== ETH_TEST_FL_OFFLINE
) {
1609 /* save speed, duplex, autoneg settings */
1610 autoneg_advertised
= adapter
->hw
.phy
.autoneg_advertised
;
1611 forced_speed_duplex
= adapter
->hw
.mac
.forced_speed_duplex
;
1612 autoneg
= adapter
->hw
.mac
.autoneg
;
1614 e_info("offline testing starting\n");
1617 * Link test performed before hardware reset so autoneg doesn't
1618 * interfere with test result
1620 if (e1000_link_test(adapter
, &data
[4]))
1621 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1624 /* indicate we're in test mode */
1627 e1000e_reset(adapter
);
1629 if (e1000_reg_test(adapter
, &data
[0]))
1630 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1632 e1000e_reset(adapter
);
1633 if (e1000_eeprom_test(adapter
, &data
[1]))
1634 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1636 e1000e_reset(adapter
);
1637 if (e1000_intr_test(adapter
, &data
[2]))
1638 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1640 e1000e_reset(adapter
);
1641 /* make sure the phy is powered up */
1642 e1000e_power_up_phy(adapter
);
1643 if (e1000_loopback_test(adapter
, &data
[3]))
1644 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1646 /* restore speed, duplex, autoneg settings */
1647 adapter
->hw
.phy
.autoneg_advertised
= autoneg_advertised
;
1648 adapter
->hw
.mac
.forced_speed_duplex
= forced_speed_duplex
;
1649 adapter
->hw
.mac
.autoneg
= autoneg
;
1651 /* force this routine to wait until autoneg complete/timeout */
1652 adapter
->hw
.phy
.autoneg_wait_to_complete
= 1;
1653 e1000e_reset(adapter
);
1654 adapter
->hw
.phy
.autoneg_wait_to_complete
= 0;
1656 clear_bit(__E1000_TESTING
, &adapter
->state
);
1660 e_info("online testing starting\n");
1662 if (e1000_link_test(adapter
, &data
[4]))
1663 eth_test
->flags
|= ETH_TEST_FL_FAILED
;
1665 /* Online tests aren't run; pass by default */
1671 clear_bit(__E1000_TESTING
, &adapter
->state
);
1673 msleep_interruptible(4 * 1000);
1676 static void e1000_get_wol(struct net_device
*netdev
,
1677 struct ethtool_wolinfo
*wol
)
1679 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1684 if (!(adapter
->flags
& FLAG_HAS_WOL
))
1687 wol
->supported
= WAKE_UCAST
| WAKE_MCAST
|
1688 WAKE_BCAST
| WAKE_MAGIC
|
1689 WAKE_PHY
| WAKE_ARP
;
1691 /* apply any specific unsupported masks here */
1692 if (adapter
->flags
& FLAG_NO_WAKE_UCAST
) {
1693 wol
->supported
&= ~WAKE_UCAST
;
1695 if (adapter
->wol
& E1000_WUFC_EX
)
1696 e_err("Interface does not support directed (unicast) "
1697 "frame wake-up packets\n");
1700 if (adapter
->wol
& E1000_WUFC_EX
)
1701 wol
->wolopts
|= WAKE_UCAST
;
1702 if (adapter
->wol
& E1000_WUFC_MC
)
1703 wol
->wolopts
|= WAKE_MCAST
;
1704 if (adapter
->wol
& E1000_WUFC_BC
)
1705 wol
->wolopts
|= WAKE_BCAST
;
1706 if (adapter
->wol
& E1000_WUFC_MAG
)
1707 wol
->wolopts
|= WAKE_MAGIC
;
1708 if (adapter
->wol
& E1000_WUFC_LNKC
)
1709 wol
->wolopts
|= WAKE_PHY
;
1710 if (adapter
->wol
& E1000_WUFC_ARP
)
1711 wol
->wolopts
|= WAKE_ARP
;
1714 static int e1000_set_wol(struct net_device
*netdev
,
1715 struct ethtool_wolinfo
*wol
)
1717 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1719 if (wol
->wolopts
& WAKE_MAGICSECURE
)
1722 if (!(adapter
->flags
& FLAG_HAS_WOL
))
1723 return wol
->wolopts
? -EOPNOTSUPP
: 0;
1725 /* these settings will always override what we currently have */
1728 if (wol
->wolopts
& WAKE_UCAST
)
1729 adapter
->wol
|= E1000_WUFC_EX
;
1730 if (wol
->wolopts
& WAKE_MCAST
)
1731 adapter
->wol
|= E1000_WUFC_MC
;
1732 if (wol
->wolopts
& WAKE_BCAST
)
1733 adapter
->wol
|= E1000_WUFC_BC
;
1734 if (wol
->wolopts
& WAKE_MAGIC
)
1735 adapter
->wol
|= E1000_WUFC_MAG
;
1736 if (wol
->wolopts
& WAKE_PHY
)
1737 adapter
->wol
|= E1000_WUFC_LNKC
;
1738 if (wol
->wolopts
& WAKE_ARP
)
1739 adapter
->wol
|= E1000_WUFC_ARP
;
1744 /* toggle LED 4 times per second = 2 "blinks" per second */
1745 #define E1000_ID_INTERVAL (HZ/4)
1747 /* bit defines for adapter->led_status */
1748 #define E1000_LED_ON 0
1750 static void e1000_led_blink_callback(unsigned long data
)
1752 struct e1000_adapter
*adapter
= (struct e1000_adapter
*) data
;
1754 if (test_and_change_bit(E1000_LED_ON
, &adapter
->led_status
))
1755 adapter
->hw
.mac
.ops
.led_off(&adapter
->hw
);
1757 adapter
->hw
.mac
.ops
.led_on(&adapter
->hw
);
1759 mod_timer(&adapter
->blink_timer
, jiffies
+ E1000_ID_INTERVAL
);
1762 static int e1000_phys_id(struct net_device
*netdev
, u32 data
)
1764 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1769 if (adapter
->hw
.phy
.type
== e1000_phy_ife
) {
1770 if (!adapter
->blink_timer
.function
) {
1771 init_timer(&adapter
->blink_timer
);
1772 adapter
->blink_timer
.function
=
1773 e1000_led_blink_callback
;
1774 adapter
->blink_timer
.data
= (unsigned long) adapter
;
1776 mod_timer(&adapter
->blink_timer
, jiffies
);
1777 msleep_interruptible(data
* 1000);
1778 del_timer_sync(&adapter
->blink_timer
);
1779 e1e_wphy(&adapter
->hw
,
1780 IFE_PHY_SPECIAL_CONTROL_LED
, 0);
1782 e1000e_blink_led(&adapter
->hw
);
1783 msleep_interruptible(data
* 1000);
1786 adapter
->hw
.mac
.ops
.led_off(&adapter
->hw
);
1787 clear_bit(E1000_LED_ON
, &adapter
->led_status
);
1788 adapter
->hw
.mac
.ops
.cleanup_led(&adapter
->hw
);
1793 static int e1000_get_coalesce(struct net_device
*netdev
,
1794 struct ethtool_coalesce
*ec
)
1796 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1798 if (adapter
->itr_setting
<= 3)
1799 ec
->rx_coalesce_usecs
= adapter
->itr_setting
;
1801 ec
->rx_coalesce_usecs
= 1000000 / adapter
->itr_setting
;
1806 static int e1000_set_coalesce(struct net_device
*netdev
,
1807 struct ethtool_coalesce
*ec
)
1809 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1810 struct e1000_hw
*hw
= &adapter
->hw
;
1812 if ((ec
->rx_coalesce_usecs
> E1000_MAX_ITR_USECS
) ||
1813 ((ec
->rx_coalesce_usecs
> 3) &&
1814 (ec
->rx_coalesce_usecs
< E1000_MIN_ITR_USECS
)) ||
1815 (ec
->rx_coalesce_usecs
== 2))
1818 if (ec
->rx_coalesce_usecs
<= 3) {
1819 adapter
->itr
= 20000;
1820 adapter
->itr_setting
= ec
->rx_coalesce_usecs
;
1822 adapter
->itr
= (1000000 / ec
->rx_coalesce_usecs
);
1823 adapter
->itr_setting
= adapter
->itr
& ~3;
1826 if (adapter
->itr_setting
!= 0)
1827 ew32(ITR
, 1000000000 / (adapter
->itr
* 256));
1834 static int e1000_nway_reset(struct net_device
*netdev
)
1836 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1837 if (netif_running(netdev
))
1838 e1000e_reinit_locked(adapter
);
1842 static void e1000_get_ethtool_stats(struct net_device
*netdev
,
1843 struct ethtool_stats
*stats
,
1846 struct e1000_adapter
*adapter
= netdev_priv(netdev
);
1849 e1000e_update_stats(adapter
);
1850 for (i
= 0; i
< E1000_GLOBAL_STATS_LEN
; i
++) {
1851 char *p
= (char *)adapter
+e1000_gstrings_stats
[i
].stat_offset
;
1852 data
[i
] = (e1000_gstrings_stats
[i
].sizeof_stat
==
1853 sizeof(u64
)) ? *(u64
*)p
: *(u32
*)p
;
1857 static void e1000_get_strings(struct net_device
*netdev
, u32 stringset
,
1863 switch (stringset
) {
1865 memcpy(data
, *e1000_gstrings_test
, sizeof(e1000_gstrings_test
));
1868 for (i
= 0; i
< E1000_GLOBAL_STATS_LEN
; i
++) {
1869 memcpy(p
, e1000_gstrings_stats
[i
].stat_string
,
1871 p
+= ETH_GSTRING_LEN
;
1877 static const struct ethtool_ops e1000_ethtool_ops
= {
1878 .get_settings
= e1000_get_settings
,
1879 .set_settings
= e1000_set_settings
,
1880 .get_drvinfo
= e1000_get_drvinfo
,
1881 .get_regs_len
= e1000_get_regs_len
,
1882 .get_regs
= e1000_get_regs
,
1883 .get_wol
= e1000_get_wol
,
1884 .set_wol
= e1000_set_wol
,
1885 .get_msglevel
= e1000_get_msglevel
,
1886 .set_msglevel
= e1000_set_msglevel
,
1887 .nway_reset
= e1000_nway_reset
,
1888 .get_link
= e1000_get_link
,
1889 .get_eeprom_len
= e1000_get_eeprom_len
,
1890 .get_eeprom
= e1000_get_eeprom
,
1891 .set_eeprom
= e1000_set_eeprom
,
1892 .get_ringparam
= e1000_get_ringparam
,
1893 .set_ringparam
= e1000_set_ringparam
,
1894 .get_pauseparam
= e1000_get_pauseparam
,
1895 .set_pauseparam
= e1000_set_pauseparam
,
1896 .get_rx_csum
= e1000_get_rx_csum
,
1897 .set_rx_csum
= e1000_set_rx_csum
,
1898 .get_tx_csum
= e1000_get_tx_csum
,
1899 .set_tx_csum
= e1000_set_tx_csum
,
1900 .get_sg
= ethtool_op_get_sg
,
1901 .set_sg
= ethtool_op_set_sg
,
1902 .get_tso
= ethtool_op_get_tso
,
1903 .set_tso
= e1000_set_tso
,
1904 .self_test
= e1000_diag_test
,
1905 .get_strings
= e1000_get_strings
,
1906 .phys_id
= e1000_phys_id
,
1907 .get_ethtool_stats
= e1000_get_ethtool_stats
,
1908 .get_sset_count
= e1000e_get_sset_count
,
1909 .get_coalesce
= e1000_get_coalesce
,
1910 .set_coalesce
= e1000_set_coalesce
,
1913 void e1000e_set_ethtool_ops(struct net_device
*netdev
)
1915 SET_ETHTOOL_OPS(netdev
, &e1000_ethtool_ops
);