2 * Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
3 * Copyright(c) 2006 - 2007 Chris Snook <csnook@redhat.com>
4 * Copyright(c) 2006 - 2008 Jay Cliburn <jcliburn@gmail.com>
6 * Derived from Intel e1000 driver
7 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the Free
11 * Software Foundation; either version 2 of the License, or (at your option)
14 * This program is distributed in the hope that it will be useful, but WITHOUT
15 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
16 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
19 * You should have received a copy of the GNU General Public License along with
20 * this program; if not, write to the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 * The full GNU General Public License is included in this distribution in the
24 * file called COPYING.
26 * Contact Information:
27 * Xiong Huang <xiong.huang@atheros.com>
28 * Jie Yang <jie.yang@atheros.com>
29 * Chris Snook <csnook@redhat.com>
30 * Jay Cliburn <jcliburn@gmail.com>
32 * This version is adapted from the Attansic reference driver.
35 * Add more ethtool functions.
36 * Fix abstruse irq enable/disable condition described here:
37 * http://marc.theaimsgroup.com/?l=linux-netdev&m=116398508500553&w=2
43 * interrupt coalescing
47 #include <asm/atomic.h>
48 #include <asm/byteorder.h>
50 #include <linux/compiler.h>
51 #include <linux/crc32.h>
52 #include <linux/delay.h>
53 #include <linux/dma-mapping.h>
54 #include <linux/etherdevice.h>
55 #include <linux/hardirq.h>
56 #include <linux/if_ether.h>
57 #include <linux/if_vlan.h>
59 #include <linux/interrupt.h>
61 #include <linux/irqflags.h>
62 #include <linux/irqreturn.h>
63 #include <linux/jiffies.h>
64 #include <linux/mii.h>
65 #include <linux/module.h>
66 #include <linux/moduleparam.h>
67 #include <linux/net.h>
68 #include <linux/netdevice.h>
69 #include <linux/pci.h>
70 #include <linux/pci_ids.h>
72 #include <linux/skbuff.h>
73 #include <linux/slab.h>
74 #include <linux/spinlock.h>
75 #include <linux/string.h>
76 #include <linux/tcp.h>
77 #include <linux/timer.h>
78 #include <linux/types.h>
79 #include <linux/workqueue.h>
81 #include <net/checksum.h>
85 #define ATLX_DRIVER_VERSION "2.1.3"
86 MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \
87 Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>");
88 MODULE_LICENSE("GPL");
89 MODULE_VERSION(ATLX_DRIVER_VERSION
);
91 /* Temporary hack for merging atl1 and atl2 */
94 static const struct ethtool_ops atl1_ethtool_ops
;
97 * This is the only thing that needs to be changed to adjust the
98 * maximum number of ports that the driver can manage.
100 #define ATL1_MAX_NIC 4
102 #define OPTION_UNSET -1
103 #define OPTION_DISABLED 0
104 #define OPTION_ENABLED 1
106 #define ATL1_PARAM_INIT { [0 ... ATL1_MAX_NIC] = OPTION_UNSET }
109 * Interrupt Moderate Timer in units of 2 us
111 * Valid Range: 10-65535
113 * Default Value: 100 (200us)
115 static int __devinitdata int_mod_timer
[ATL1_MAX_NIC
+1] = ATL1_PARAM_INIT
;
116 static unsigned int num_int_mod_timer
;
117 module_param_array_named(int_mod_timer
, int_mod_timer
, int,
118 &num_int_mod_timer
, 0);
119 MODULE_PARM_DESC(int_mod_timer
, "Interrupt moderator timer");
121 #define DEFAULT_INT_MOD_CNT 100 /* 200us */
122 #define MAX_INT_MOD_CNT 65000
123 #define MIN_INT_MOD_CNT 50
126 enum { enable_option
, range_option
, list_option
} type
;
131 struct { /* range_option info */
135 struct { /* list_option info */
137 struct atl1_opt_list
{
145 static int __devinit
atl1_validate_option(int *value
, struct atl1_option
*opt
,
146 struct pci_dev
*pdev
)
148 if (*value
== OPTION_UNSET
) {
157 dev_info(&pdev
->dev
, "%s enabled\n", opt
->name
);
159 case OPTION_DISABLED
:
160 dev_info(&pdev
->dev
, "%s disabled\n", opt
->name
);
165 if (*value
>= opt
->arg
.r
.min
&& *value
<= opt
->arg
.r
.max
) {
166 dev_info(&pdev
->dev
, "%s set to %i\n", opt
->name
,
173 struct atl1_opt_list
*ent
;
175 for (i
= 0; i
< opt
->arg
.l
.nr
; i
++) {
176 ent
= &opt
->arg
.l
.p
[i
];
177 if (*value
== ent
->i
) {
178 if (ent
->str
[0] != '\0')
179 dev_info(&pdev
->dev
, "%s\n",
191 dev_info(&pdev
->dev
, "invalid %s specified (%i) %s\n",
192 opt
->name
, *value
, opt
->err
);
198 * atl1_check_options - Range Checking for Command Line Parameters
199 * @adapter: board private structure
201 * This routine checks all command line parameters for valid user
202 * input. If an invalid value is given, or if no user specified
203 * value exists, a default value is used. The final value is stored
204 * in a variable in the adapter structure.
206 static void __devinit
atl1_check_options(struct atl1_adapter
*adapter
)
208 struct pci_dev
*pdev
= adapter
->pdev
;
209 int bd
= adapter
->bd_number
;
210 if (bd
>= ATL1_MAX_NIC
) {
211 dev_notice(&pdev
->dev
, "no configuration for board#%i\n", bd
);
212 dev_notice(&pdev
->dev
, "using defaults for all values\n");
214 { /* Interrupt Moderate Timer */
215 struct atl1_option opt
= {
216 .type
= range_option
,
217 .name
= "Interrupt Moderator Timer",
218 .err
= "using default of "
219 __MODULE_STRING(DEFAULT_INT_MOD_CNT
),
220 .def
= DEFAULT_INT_MOD_CNT
,
221 .arg
= {.r
= {.min
= MIN_INT_MOD_CNT
,
222 .max
= MAX_INT_MOD_CNT
} }
225 if (num_int_mod_timer
> bd
) {
226 val
= int_mod_timer
[bd
];
227 atl1_validate_option(&val
, &opt
, pdev
);
228 adapter
->imt
= (u16
) val
;
230 adapter
->imt
= (u16
) (opt
.def
);
235 * atl1_pci_tbl - PCI Device ID Table
237 static DEFINE_PCI_DEVICE_TABLE(atl1_pci_tbl
) = {
238 {PCI_DEVICE(PCI_VENDOR_ID_ATTANSIC
, PCI_DEVICE_ID_ATTANSIC_L1
)},
239 /* required last entry */
242 MODULE_DEVICE_TABLE(pci
, atl1_pci_tbl
);
244 static const u32 atl1_default_msg
= NETIF_MSG_DRV
| NETIF_MSG_PROBE
|
245 NETIF_MSG_LINK
| NETIF_MSG_TIMER
| NETIF_MSG_IFDOWN
| NETIF_MSG_IFUP
;
247 static int debug
= -1;
248 module_param(debug
, int, 0);
249 MODULE_PARM_DESC(debug
, "Message level (0=none,...,16=all)");
252 * Reset the transmit and receive units; mask and clear all interrupts.
253 * hw - Struct containing variables accessed by shared code
254 * return : 0 or idle status (if error)
256 static s32
atl1_reset_hw(struct atl1_hw
*hw
)
258 struct pci_dev
*pdev
= hw
->back
->pdev
;
259 struct atl1_adapter
*adapter
= hw
->back
;
264 * Clear Interrupt mask to stop board from generating
265 * interrupts & Clear any pending interrupt events
268 * iowrite32(0, hw->hw_addr + REG_IMR);
269 * iowrite32(0xffffffff, hw->hw_addr + REG_ISR);
273 * Issue Soft Reset to the MAC. This will reset the chip's
274 * transmit, receive, DMA. It will not effect
275 * the current PCI configuration. The global reset bit is self-
276 * clearing, and should clear within a microsecond.
278 iowrite32(MASTER_CTRL_SOFT_RST
, hw
->hw_addr
+ REG_MASTER_CTRL
);
279 ioread32(hw
->hw_addr
+ REG_MASTER_CTRL
);
281 iowrite16(1, hw
->hw_addr
+ REG_PHY_ENABLE
);
282 ioread16(hw
->hw_addr
+ REG_PHY_ENABLE
);
284 /* delay about 1ms */
287 /* Wait at least 10ms for All module to be Idle */
288 for (i
= 0; i
< 10; i
++) {
289 icr
= ioread32(hw
->hw_addr
+ REG_IDLE_STATUS
);
294 /* FIXME: still the right way to do this? */
299 if (netif_msg_hw(adapter
))
300 dev_dbg(&pdev
->dev
, "ICR = 0x%x\n", icr
);
307 /* function about EEPROM
310 * return 0 if eeprom exist
312 static int atl1_check_eeprom_exist(struct atl1_hw
*hw
)
315 value
= ioread32(hw
->hw_addr
+ REG_SPI_FLASH_CTRL
);
316 if (value
& SPI_FLASH_CTRL_EN_VPD
) {
317 value
&= ~SPI_FLASH_CTRL_EN_VPD
;
318 iowrite32(value
, hw
->hw_addr
+ REG_SPI_FLASH_CTRL
);
321 value
= ioread16(hw
->hw_addr
+ REG_PCIE_CAP_LIST
);
322 return ((value
& 0xFF00) == 0x6C00) ? 0 : 1;
325 static bool atl1_read_eeprom(struct atl1_hw
*hw
, u32 offset
, u32
*p_value
)
331 /* address do not align */
334 iowrite32(0, hw
->hw_addr
+ REG_VPD_DATA
);
335 control
= (offset
& VPD_CAP_VPD_ADDR_MASK
) << VPD_CAP_VPD_ADDR_SHIFT
;
336 iowrite32(control
, hw
->hw_addr
+ REG_VPD_CAP
);
337 ioread32(hw
->hw_addr
+ REG_VPD_CAP
);
339 for (i
= 0; i
< 10; i
++) {
341 control
= ioread32(hw
->hw_addr
+ REG_VPD_CAP
);
342 if (control
& VPD_CAP_VPD_FLAG
)
345 if (control
& VPD_CAP_VPD_FLAG
) {
346 *p_value
= ioread32(hw
->hw_addr
+ REG_VPD_DATA
);
354 * Reads the value from a PHY register
355 * hw - Struct containing variables accessed by shared code
356 * reg_addr - address of the PHY register to read
358 static s32
atl1_read_phy_reg(struct atl1_hw
*hw
, u16 reg_addr
, u16
*phy_data
)
363 val
= ((u32
) (reg_addr
& MDIO_REG_ADDR_MASK
)) << MDIO_REG_ADDR_SHIFT
|
364 MDIO_START
| MDIO_SUP_PREAMBLE
| MDIO_RW
| MDIO_CLK_25_4
<<
366 iowrite32(val
, hw
->hw_addr
+ REG_MDIO_CTRL
);
367 ioread32(hw
->hw_addr
+ REG_MDIO_CTRL
);
369 for (i
= 0; i
< MDIO_WAIT_TIMES
; i
++) {
371 val
= ioread32(hw
->hw_addr
+ REG_MDIO_CTRL
);
372 if (!(val
& (MDIO_START
| MDIO_BUSY
)))
375 if (!(val
& (MDIO_START
| MDIO_BUSY
))) {
376 *phy_data
= (u16
) val
;
382 #define CUSTOM_SPI_CS_SETUP 2
383 #define CUSTOM_SPI_CLK_HI 2
384 #define CUSTOM_SPI_CLK_LO 2
385 #define CUSTOM_SPI_CS_HOLD 2
386 #define CUSTOM_SPI_CS_HI 3
388 static bool atl1_spi_read(struct atl1_hw
*hw
, u32 addr
, u32
*buf
)
393 iowrite32(0, hw
->hw_addr
+ REG_SPI_DATA
);
394 iowrite32(addr
, hw
->hw_addr
+ REG_SPI_ADDR
);
396 value
= SPI_FLASH_CTRL_WAIT_READY
|
397 (CUSTOM_SPI_CS_SETUP
& SPI_FLASH_CTRL_CS_SETUP_MASK
) <<
398 SPI_FLASH_CTRL_CS_SETUP_SHIFT
| (CUSTOM_SPI_CLK_HI
&
399 SPI_FLASH_CTRL_CLK_HI_MASK
) <<
400 SPI_FLASH_CTRL_CLK_HI_SHIFT
| (CUSTOM_SPI_CLK_LO
&
401 SPI_FLASH_CTRL_CLK_LO_MASK
) <<
402 SPI_FLASH_CTRL_CLK_LO_SHIFT
| (CUSTOM_SPI_CS_HOLD
&
403 SPI_FLASH_CTRL_CS_HOLD_MASK
) <<
404 SPI_FLASH_CTRL_CS_HOLD_SHIFT
| (CUSTOM_SPI_CS_HI
&
405 SPI_FLASH_CTRL_CS_HI_MASK
) <<
406 SPI_FLASH_CTRL_CS_HI_SHIFT
| (1 & SPI_FLASH_CTRL_INS_MASK
) <<
407 SPI_FLASH_CTRL_INS_SHIFT
;
409 iowrite32(value
, hw
->hw_addr
+ REG_SPI_FLASH_CTRL
);
411 value
|= SPI_FLASH_CTRL_START
;
412 iowrite32(value
, hw
->hw_addr
+ REG_SPI_FLASH_CTRL
);
413 ioread32(hw
->hw_addr
+ REG_SPI_FLASH_CTRL
);
415 for (i
= 0; i
< 10; i
++) {
417 value
= ioread32(hw
->hw_addr
+ REG_SPI_FLASH_CTRL
);
418 if (!(value
& SPI_FLASH_CTRL_START
))
422 if (value
& SPI_FLASH_CTRL_START
)
425 *buf
= ioread32(hw
->hw_addr
+ REG_SPI_DATA
);
431 * get_permanent_address
432 * return 0 if get valid mac address,
434 static int atl1_get_permanent_address(struct atl1_hw
*hw
)
439 u8 eth_addr
[ETH_ALEN
];
442 if (is_valid_ether_addr(hw
->perm_mac_addr
))
446 addr
[0] = addr
[1] = 0;
448 if (!atl1_check_eeprom_exist(hw
)) {
451 /* Read out all EEPROM content */
454 if (atl1_read_eeprom(hw
, i
+ 0x100, &control
)) {
456 if (reg
== REG_MAC_STA_ADDR
)
458 else if (reg
== (REG_MAC_STA_ADDR
+ 4))
461 } else if ((control
& 0xff) == 0x5A) {
463 reg
= (u16
) (control
>> 16);
472 *(u32
*) ð_addr
[2] = swab32(addr
[0]);
473 *(u16
*) ð_addr
[0] = swab16(*(u16
*) &addr
[1]);
474 if (is_valid_ether_addr(eth_addr
)) {
475 memcpy(hw
->perm_mac_addr
, eth_addr
, ETH_ALEN
);
480 /* see if SPI FLAGS exist ? */
481 addr
[0] = addr
[1] = 0;
486 if (atl1_spi_read(hw
, i
+ 0x1f000, &control
)) {
488 if (reg
== REG_MAC_STA_ADDR
)
490 else if (reg
== (REG_MAC_STA_ADDR
+ 4))
493 } else if ((control
& 0xff) == 0x5A) {
495 reg
= (u16
) (control
>> 16);
505 *(u32
*) ð_addr
[2] = swab32(addr
[0]);
506 *(u16
*) ð_addr
[0] = swab16(*(u16
*) &addr
[1]);
507 if (is_valid_ether_addr(eth_addr
)) {
508 memcpy(hw
->perm_mac_addr
, eth_addr
, ETH_ALEN
);
513 * On some motherboards, the MAC address is written by the
514 * BIOS directly to the MAC register during POST, and is
515 * not stored in eeprom. If all else thus far has failed
516 * to fetch the permanent MAC address, try reading it directly.
518 addr
[0] = ioread32(hw
->hw_addr
+ REG_MAC_STA_ADDR
);
519 addr
[1] = ioread16(hw
->hw_addr
+ (REG_MAC_STA_ADDR
+ 4));
520 *(u32
*) ð_addr
[2] = swab32(addr
[0]);
521 *(u16
*) ð_addr
[0] = swab16(*(u16
*) &addr
[1]);
522 if (is_valid_ether_addr(eth_addr
)) {
523 memcpy(hw
->perm_mac_addr
, eth_addr
, ETH_ALEN
);
531 * Reads the adapter's MAC address from the EEPROM
532 * hw - Struct containing variables accessed by shared code
534 static s32
atl1_read_mac_addr(struct atl1_hw
*hw
)
538 if (atl1_get_permanent_address(hw
))
539 random_ether_addr(hw
->perm_mac_addr
);
541 for (i
= 0; i
< ETH_ALEN
; i
++)
542 hw
->mac_addr
[i
] = hw
->perm_mac_addr
[i
];
547 * Hashes an address to determine its location in the multicast table
548 * hw - Struct containing variables accessed by shared code
549 * mc_addr - the multicast address to hash
553 * set hash value for a multicast address
554 * hash calcu processing :
555 * 1. calcu 32bit CRC for multicast address
556 * 2. reverse crc with MSB to LSB
558 static u32
atl1_hash_mc_addr(struct atl1_hw
*hw
, u8
*mc_addr
)
560 u32 crc32
, value
= 0;
563 crc32
= ether_crc_le(6, mc_addr
);
564 for (i
= 0; i
< 32; i
++)
565 value
|= (((crc32
>> i
) & 1) << (31 - i
));
571 * Sets the bit in the multicast table corresponding to the hash value.
572 * hw - Struct containing variables accessed by shared code
573 * hash_value - Multicast address hash value
575 static void atl1_hash_set(struct atl1_hw
*hw
, u32 hash_value
)
577 u32 hash_bit
, hash_reg
;
581 * The HASH Table is a register array of 2 32-bit registers.
582 * It is treated like an array of 64 bits. We want to set
583 * bit BitArray[hash_value]. So we figure out what register
584 * the bit is in, read it, OR in the new bit, then write
585 * back the new value. The register is determined by the
586 * upper 7 bits of the hash value and the bit within that
587 * register are determined by the lower 5 bits of the value.
589 hash_reg
= (hash_value
>> 31) & 0x1;
590 hash_bit
= (hash_value
>> 26) & 0x1F;
591 mta
= ioread32((hw
->hw_addr
+ REG_RX_HASH_TABLE
) + (hash_reg
<< 2));
592 mta
|= (1 << hash_bit
);
593 iowrite32(mta
, (hw
->hw_addr
+ REG_RX_HASH_TABLE
) + (hash_reg
<< 2));
597 * Writes a value to a PHY register
598 * hw - Struct containing variables accessed by shared code
599 * reg_addr - address of the PHY register to write
600 * data - data to write to the PHY
602 static s32
atl1_write_phy_reg(struct atl1_hw
*hw
, u32 reg_addr
, u16 phy_data
)
607 val
= ((u32
) (phy_data
& MDIO_DATA_MASK
)) << MDIO_DATA_SHIFT
|
608 (reg_addr
& MDIO_REG_ADDR_MASK
) << MDIO_REG_ADDR_SHIFT
|
610 MDIO_START
| MDIO_CLK_25_4
<< MDIO_CLK_SEL_SHIFT
;
611 iowrite32(val
, hw
->hw_addr
+ REG_MDIO_CTRL
);
612 ioread32(hw
->hw_addr
+ REG_MDIO_CTRL
);
614 for (i
= 0; i
< MDIO_WAIT_TIMES
; i
++) {
616 val
= ioread32(hw
->hw_addr
+ REG_MDIO_CTRL
);
617 if (!(val
& (MDIO_START
| MDIO_BUSY
)))
621 if (!(val
& (MDIO_START
| MDIO_BUSY
)))
628 * Make L001's PHY out of Power Saving State (bug)
629 * hw - Struct containing variables accessed by shared code
630 * when power on, L001's PHY always on Power saving State
631 * (Gigabit Link forbidden)
633 static s32
atl1_phy_leave_power_saving(struct atl1_hw
*hw
)
636 ret
= atl1_write_phy_reg(hw
, 29, 0x0029);
639 return atl1_write_phy_reg(hw
, 30, 0);
643 * Resets the PHY and make all config validate
644 * hw - Struct containing variables accessed by shared code
646 * Sets bit 15 and 12 of the MII Control regiser (for F001 bug)
648 static s32
atl1_phy_reset(struct atl1_hw
*hw
)
650 struct pci_dev
*pdev
= hw
->back
->pdev
;
651 struct atl1_adapter
*adapter
= hw
->back
;
655 if (hw
->media_type
== MEDIA_TYPE_AUTO_SENSOR
||
656 hw
->media_type
== MEDIA_TYPE_1000M_FULL
)
657 phy_data
= MII_CR_RESET
| MII_CR_AUTO_NEG_EN
;
659 switch (hw
->media_type
) {
660 case MEDIA_TYPE_100M_FULL
:
662 MII_CR_FULL_DUPLEX
| MII_CR_SPEED_100
|
665 case MEDIA_TYPE_100M_HALF
:
666 phy_data
= MII_CR_SPEED_100
| MII_CR_RESET
;
668 case MEDIA_TYPE_10M_FULL
:
670 MII_CR_FULL_DUPLEX
| MII_CR_SPEED_10
| MII_CR_RESET
;
673 /* MEDIA_TYPE_10M_HALF: */
674 phy_data
= MII_CR_SPEED_10
| MII_CR_RESET
;
679 ret_val
= atl1_write_phy_reg(hw
, MII_BMCR
, phy_data
);
683 /* pcie serdes link may be down! */
684 if (netif_msg_hw(adapter
))
685 dev_dbg(&pdev
->dev
, "pcie phy link down\n");
687 for (i
= 0; i
< 25; i
++) {
689 val
= ioread32(hw
->hw_addr
+ REG_MDIO_CTRL
);
690 if (!(val
& (MDIO_START
| MDIO_BUSY
)))
694 if ((val
& (MDIO_START
| MDIO_BUSY
)) != 0) {
695 if (netif_msg_hw(adapter
))
697 "pcie link down at least 25ms\n");
705 * Configures PHY autoneg and flow control advertisement settings
706 * hw - Struct containing variables accessed by shared code
708 static s32
atl1_phy_setup_autoneg_adv(struct atl1_hw
*hw
)
711 s16 mii_autoneg_adv_reg
;
712 s16 mii_1000t_ctrl_reg
;
714 /* Read the MII Auto-Neg Advertisement Register (Address 4). */
715 mii_autoneg_adv_reg
= MII_AR_DEFAULT_CAP_MASK
;
717 /* Read the MII 1000Base-T Control Register (Address 9). */
718 mii_1000t_ctrl_reg
= MII_ATLX_CR_1000T_DEFAULT_CAP_MASK
;
721 * First we clear all the 10/100 mb speed bits in the Auto-Neg
722 * Advertisement Register (Address 4) and the 1000 mb speed bits in
723 * the 1000Base-T Control Register (Address 9).
725 mii_autoneg_adv_reg
&= ~MII_AR_SPEED_MASK
;
726 mii_1000t_ctrl_reg
&= ~MII_ATLX_CR_1000T_SPEED_MASK
;
729 * Need to parse media_type and set up
730 * the appropriate PHY registers.
732 switch (hw
->media_type
) {
733 case MEDIA_TYPE_AUTO_SENSOR
:
734 mii_autoneg_adv_reg
|= (MII_AR_10T_HD_CAPS
|
736 MII_AR_100TX_HD_CAPS
|
737 MII_AR_100TX_FD_CAPS
);
738 mii_1000t_ctrl_reg
|= MII_ATLX_CR_1000T_FD_CAPS
;
741 case MEDIA_TYPE_1000M_FULL
:
742 mii_1000t_ctrl_reg
|= MII_ATLX_CR_1000T_FD_CAPS
;
745 case MEDIA_TYPE_100M_FULL
:
746 mii_autoneg_adv_reg
|= MII_AR_100TX_FD_CAPS
;
749 case MEDIA_TYPE_100M_HALF
:
750 mii_autoneg_adv_reg
|= MII_AR_100TX_HD_CAPS
;
753 case MEDIA_TYPE_10M_FULL
:
754 mii_autoneg_adv_reg
|= MII_AR_10T_FD_CAPS
;
758 mii_autoneg_adv_reg
|= MII_AR_10T_HD_CAPS
;
762 /* flow control fixed to enable all */
763 mii_autoneg_adv_reg
|= (MII_AR_ASM_DIR
| MII_AR_PAUSE
);
765 hw
->mii_autoneg_adv_reg
= mii_autoneg_adv_reg
;
766 hw
->mii_1000t_ctrl_reg
= mii_1000t_ctrl_reg
;
768 ret_val
= atl1_write_phy_reg(hw
, MII_ADVERTISE
, mii_autoneg_adv_reg
);
772 ret_val
= atl1_write_phy_reg(hw
, MII_ATLX_CR
, mii_1000t_ctrl_reg
);
780 * Configures link settings.
781 * hw - Struct containing variables accessed by shared code
782 * Assumes the hardware has previously been reset and the
783 * transmitter and receiver are not enabled.
785 static s32
atl1_setup_link(struct atl1_hw
*hw
)
787 struct pci_dev
*pdev
= hw
->back
->pdev
;
788 struct atl1_adapter
*adapter
= hw
->back
;
793 * PHY will advertise value(s) parsed from
794 * autoneg_advertised and fc
795 * no matter what autoneg is , We will not wait link result.
797 ret_val
= atl1_phy_setup_autoneg_adv(hw
);
799 if (netif_msg_link(adapter
))
801 "error setting up autonegotiation\n");
804 /* SW.Reset , En-Auto-Neg if needed */
805 ret_val
= atl1_phy_reset(hw
);
807 if (netif_msg_link(adapter
))
808 dev_dbg(&pdev
->dev
, "error resetting phy\n");
811 hw
->phy_configured
= true;
815 static void atl1_init_flash_opcode(struct atl1_hw
*hw
)
817 if (hw
->flash_vendor
>= ARRAY_SIZE(flash_table
))
819 hw
->flash_vendor
= 0;
822 iowrite8(flash_table
[hw
->flash_vendor
].cmd_program
,
823 hw
->hw_addr
+ REG_SPI_FLASH_OP_PROGRAM
);
824 iowrite8(flash_table
[hw
->flash_vendor
].cmd_sector_erase
,
825 hw
->hw_addr
+ REG_SPI_FLASH_OP_SC_ERASE
);
826 iowrite8(flash_table
[hw
->flash_vendor
].cmd_chip_erase
,
827 hw
->hw_addr
+ REG_SPI_FLASH_OP_CHIP_ERASE
);
828 iowrite8(flash_table
[hw
->flash_vendor
].cmd_rdid
,
829 hw
->hw_addr
+ REG_SPI_FLASH_OP_RDID
);
830 iowrite8(flash_table
[hw
->flash_vendor
].cmd_wren
,
831 hw
->hw_addr
+ REG_SPI_FLASH_OP_WREN
);
832 iowrite8(flash_table
[hw
->flash_vendor
].cmd_rdsr
,
833 hw
->hw_addr
+ REG_SPI_FLASH_OP_RDSR
);
834 iowrite8(flash_table
[hw
->flash_vendor
].cmd_wrsr
,
835 hw
->hw_addr
+ REG_SPI_FLASH_OP_WRSR
);
836 iowrite8(flash_table
[hw
->flash_vendor
].cmd_read
,
837 hw
->hw_addr
+ REG_SPI_FLASH_OP_READ
);
841 * Performs basic configuration of the adapter.
842 * hw - Struct containing variables accessed by shared code
843 * Assumes that the controller has previously been reset and is in a
844 * post-reset uninitialized state. Initializes multicast table,
845 * and Calls routines to setup link
846 * Leaves the transmit and receive units disabled and uninitialized.
848 static s32
atl1_init_hw(struct atl1_hw
*hw
)
852 /* Zero out the Multicast HASH table */
853 iowrite32(0, hw
->hw_addr
+ REG_RX_HASH_TABLE
);
854 /* clear the old settings from the multicast hash table */
855 iowrite32(0, (hw
->hw_addr
+ REG_RX_HASH_TABLE
) + (1 << 2));
857 atl1_init_flash_opcode(hw
);
859 if (!hw
->phy_configured
) {
860 /* enable GPHY LinkChange Interrrupt */
861 ret_val
= atl1_write_phy_reg(hw
, 18, 0xC00);
864 /* make PHY out of power-saving state */
865 ret_val
= atl1_phy_leave_power_saving(hw
);
868 /* Call a subroutine to configure the link */
869 ret_val
= atl1_setup_link(hw
);
875 * Detects the current speed and duplex settings of the hardware.
876 * hw - Struct containing variables accessed by shared code
877 * speed - Speed of the connection
878 * duplex - Duplex setting of the connection
880 static s32
atl1_get_speed_and_duplex(struct atl1_hw
*hw
, u16
*speed
, u16
*duplex
)
882 struct pci_dev
*pdev
= hw
->back
->pdev
;
883 struct atl1_adapter
*adapter
= hw
->back
;
887 /* ; --- Read PHY Specific Status Register (17) */
888 ret_val
= atl1_read_phy_reg(hw
, MII_ATLX_PSSR
, &phy_data
);
892 if (!(phy_data
& MII_ATLX_PSSR_SPD_DPLX_RESOLVED
))
893 return ATLX_ERR_PHY_RES
;
895 switch (phy_data
& MII_ATLX_PSSR_SPEED
) {
896 case MII_ATLX_PSSR_1000MBS
:
899 case MII_ATLX_PSSR_100MBS
:
902 case MII_ATLX_PSSR_10MBS
:
906 if (netif_msg_hw(adapter
))
907 dev_dbg(&pdev
->dev
, "error getting speed\n");
908 return ATLX_ERR_PHY_SPEED
;
911 if (phy_data
& MII_ATLX_PSSR_DPLX
)
912 *duplex
= FULL_DUPLEX
;
914 *duplex
= HALF_DUPLEX
;
919 static void atl1_set_mac_addr(struct atl1_hw
*hw
)
924 * 0: 6AF600DC 1: 000B
927 value
= (((u32
) hw
->mac_addr
[2]) << 24) |
928 (((u32
) hw
->mac_addr
[3]) << 16) |
929 (((u32
) hw
->mac_addr
[4]) << 8) | (((u32
) hw
->mac_addr
[5]));
930 iowrite32(value
, hw
->hw_addr
+ REG_MAC_STA_ADDR
);
932 value
= (((u32
) hw
->mac_addr
[0]) << 8) | (((u32
) hw
->mac_addr
[1]));
933 iowrite32(value
, (hw
->hw_addr
+ REG_MAC_STA_ADDR
) + (1 << 2));
937 * atl1_sw_init - Initialize general software structures (struct atl1_adapter)
938 * @adapter: board private structure to initialize
940 * atl1_sw_init initializes the Adapter private data structure.
941 * Fields are initialized based on PCI device information and
942 * OS network device settings (MTU size).
944 static int __devinit
atl1_sw_init(struct atl1_adapter
*adapter
)
946 struct atl1_hw
*hw
= &adapter
->hw
;
947 struct net_device
*netdev
= adapter
->netdev
;
949 hw
->max_frame_size
= netdev
->mtu
+ ETH_HLEN
+ ETH_FCS_LEN
+ VLAN_HLEN
;
950 hw
->min_frame_size
= ETH_ZLEN
+ ETH_FCS_LEN
;
953 device_set_wakeup_enable(&adapter
->pdev
->dev
, false);
954 adapter
->rx_buffer_len
= (hw
->max_frame_size
+ 7) & ~7;
955 adapter
->ict
= 50000; /* 100ms */
956 adapter
->link_speed
= SPEED_0
; /* hardware init */
957 adapter
->link_duplex
= FULL_DUPLEX
;
959 hw
->phy_configured
= false;
960 hw
->preamble_len
= 7;
970 hw
->rfd_fetch_gap
= 1;
971 hw
->rx_jumbo_th
= adapter
->rx_buffer_len
/ 8;
972 hw
->rx_jumbo_lkah
= 1;
973 hw
->rrd_ret_timer
= 16;
975 hw
->tpd_fetch_th
= 16;
976 hw
->txf_burst
= 0x100;
977 hw
->tx_jumbo_task_th
= (hw
->max_frame_size
+ 7) >> 3;
978 hw
->tpd_fetch_gap
= 1;
979 hw
->rcb_value
= atl1_rcb_64
;
980 hw
->dma_ord
= atl1_dma_ord_enh
;
981 hw
->dmar_block
= atl1_dma_req_256
;
982 hw
->dmaw_block
= atl1_dma_req_256
;
985 hw
->cmb_rx_timer
= 1; /* about 2us */
986 hw
->cmb_tx_timer
= 1; /* about 2us */
987 hw
->smb_timer
= 100000; /* about 200ms */
989 spin_lock_init(&adapter
->lock
);
990 spin_lock_init(&adapter
->mb_lock
);
995 static int mdio_read(struct net_device
*netdev
, int phy_id
, int reg_num
)
997 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
1000 atl1_read_phy_reg(&adapter
->hw
, reg_num
& 0x1f, &result
);
1005 static void mdio_write(struct net_device
*netdev
, int phy_id
, int reg_num
,
1008 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
1010 atl1_write_phy_reg(&adapter
->hw
, reg_num
, val
);
1019 static int atl1_mii_ioctl(struct net_device
*netdev
, struct ifreq
*ifr
, int cmd
)
1021 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
1022 unsigned long flags
;
1025 if (!netif_running(netdev
))
1028 spin_lock_irqsave(&adapter
->lock
, flags
);
1029 retval
= generic_mii_ioctl(&adapter
->mii
, if_mii(ifr
), cmd
, NULL
);
1030 spin_unlock_irqrestore(&adapter
->lock
, flags
);
1036 * atl1_setup_mem_resources - allocate Tx / RX descriptor resources
1037 * @adapter: board private structure
1039 * Return 0 on success, negative on failure
1041 static s32
atl1_setup_ring_resources(struct atl1_adapter
*adapter
)
1043 struct atl1_tpd_ring
*tpd_ring
= &adapter
->tpd_ring
;
1044 struct atl1_rfd_ring
*rfd_ring
= &adapter
->rfd_ring
;
1045 struct atl1_rrd_ring
*rrd_ring
= &adapter
->rrd_ring
;
1046 struct atl1_ring_header
*ring_header
= &adapter
->ring_header
;
1047 struct pci_dev
*pdev
= adapter
->pdev
;
1051 size
= sizeof(struct atl1_buffer
) * (tpd_ring
->count
+ rfd_ring
->count
);
1052 tpd_ring
->buffer_info
= kzalloc(size
, GFP_KERNEL
);
1053 if (unlikely(!tpd_ring
->buffer_info
)) {
1054 if (netif_msg_drv(adapter
))
1055 dev_err(&pdev
->dev
, "kzalloc failed , size = D%d\n",
1059 rfd_ring
->buffer_info
=
1060 (struct atl1_buffer
*)(tpd_ring
->buffer_info
+ tpd_ring
->count
);
1063 * real ring DMA buffer
1064 * each ring/block may need up to 8 bytes for alignment, hence the
1065 * additional 40 bytes tacked onto the end.
1067 ring_header
->size
= size
=
1068 sizeof(struct tx_packet_desc
) * tpd_ring
->count
1069 + sizeof(struct rx_free_desc
) * rfd_ring
->count
1070 + sizeof(struct rx_return_desc
) * rrd_ring
->count
1071 + sizeof(struct coals_msg_block
)
1072 + sizeof(struct stats_msg_block
)
1075 ring_header
->desc
= pci_alloc_consistent(pdev
, ring_header
->size
,
1077 if (unlikely(!ring_header
->desc
)) {
1078 if (netif_msg_drv(adapter
))
1079 dev_err(&pdev
->dev
, "pci_alloc_consistent failed\n");
1083 memset(ring_header
->desc
, 0, ring_header
->size
);
1086 tpd_ring
->dma
= ring_header
->dma
;
1087 offset
= (tpd_ring
->dma
& 0x7) ? (8 - (ring_header
->dma
& 0x7)) : 0;
1088 tpd_ring
->dma
+= offset
;
1089 tpd_ring
->desc
= (u8
*) ring_header
->desc
+ offset
;
1090 tpd_ring
->size
= sizeof(struct tx_packet_desc
) * tpd_ring
->count
;
1093 rfd_ring
->dma
= tpd_ring
->dma
+ tpd_ring
->size
;
1094 offset
= (rfd_ring
->dma
& 0x7) ? (8 - (rfd_ring
->dma
& 0x7)) : 0;
1095 rfd_ring
->dma
+= offset
;
1096 rfd_ring
->desc
= (u8
*) tpd_ring
->desc
+ (tpd_ring
->size
+ offset
);
1097 rfd_ring
->size
= sizeof(struct rx_free_desc
) * rfd_ring
->count
;
1101 rrd_ring
->dma
= rfd_ring
->dma
+ rfd_ring
->size
;
1102 offset
= (rrd_ring
->dma
& 0x7) ? (8 - (rrd_ring
->dma
& 0x7)) : 0;
1103 rrd_ring
->dma
+= offset
;
1104 rrd_ring
->desc
= (u8
*) rfd_ring
->desc
+ (rfd_ring
->size
+ offset
);
1105 rrd_ring
->size
= sizeof(struct rx_return_desc
) * rrd_ring
->count
;
1109 adapter
->cmb
.dma
= rrd_ring
->dma
+ rrd_ring
->size
;
1110 offset
= (adapter
->cmb
.dma
& 0x7) ? (8 - (adapter
->cmb
.dma
& 0x7)) : 0;
1111 adapter
->cmb
.dma
+= offset
;
1112 adapter
->cmb
.cmb
= (struct coals_msg_block
*)
1113 ((u8
*) rrd_ring
->desc
+ (rrd_ring
->size
+ offset
));
1116 adapter
->smb
.dma
= adapter
->cmb
.dma
+ sizeof(struct coals_msg_block
);
1117 offset
= (adapter
->smb
.dma
& 0x7) ? (8 - (adapter
->smb
.dma
& 0x7)) : 0;
1118 adapter
->smb
.dma
+= offset
;
1119 adapter
->smb
.smb
= (struct stats_msg_block
*)
1120 ((u8
*) adapter
->cmb
.cmb
+
1121 (sizeof(struct coals_msg_block
) + offset
));
1126 kfree(tpd_ring
->buffer_info
);
1130 static void atl1_init_ring_ptrs(struct atl1_adapter
*adapter
)
1132 struct atl1_tpd_ring
*tpd_ring
= &adapter
->tpd_ring
;
1133 struct atl1_rfd_ring
*rfd_ring
= &adapter
->rfd_ring
;
1134 struct atl1_rrd_ring
*rrd_ring
= &adapter
->rrd_ring
;
1136 atomic_set(&tpd_ring
->next_to_use
, 0);
1137 atomic_set(&tpd_ring
->next_to_clean
, 0);
1139 rfd_ring
->next_to_clean
= 0;
1140 atomic_set(&rfd_ring
->next_to_use
, 0);
1142 rrd_ring
->next_to_use
= 0;
1143 atomic_set(&rrd_ring
->next_to_clean
, 0);
1147 * atl1_clean_rx_ring - Free RFD Buffers
1148 * @adapter: board private structure
1150 static void atl1_clean_rx_ring(struct atl1_adapter
*adapter
)
1152 struct atl1_rfd_ring
*rfd_ring
= &adapter
->rfd_ring
;
1153 struct atl1_rrd_ring
*rrd_ring
= &adapter
->rrd_ring
;
1154 struct atl1_buffer
*buffer_info
;
1155 struct pci_dev
*pdev
= adapter
->pdev
;
1159 /* Free all the Rx ring sk_buffs */
1160 for (i
= 0; i
< rfd_ring
->count
; i
++) {
1161 buffer_info
= &rfd_ring
->buffer_info
[i
];
1162 if (buffer_info
->dma
) {
1163 pci_unmap_page(pdev
, buffer_info
->dma
,
1164 buffer_info
->length
, PCI_DMA_FROMDEVICE
);
1165 buffer_info
->dma
= 0;
1167 if (buffer_info
->skb
) {
1168 dev_kfree_skb(buffer_info
->skb
);
1169 buffer_info
->skb
= NULL
;
1173 size
= sizeof(struct atl1_buffer
) * rfd_ring
->count
;
1174 memset(rfd_ring
->buffer_info
, 0, size
);
1176 /* Zero out the descriptor ring */
1177 memset(rfd_ring
->desc
, 0, rfd_ring
->size
);
1179 rfd_ring
->next_to_clean
= 0;
1180 atomic_set(&rfd_ring
->next_to_use
, 0);
1182 rrd_ring
->next_to_use
= 0;
1183 atomic_set(&rrd_ring
->next_to_clean
, 0);
1187 * atl1_clean_tx_ring - Free Tx Buffers
1188 * @adapter: board private structure
1190 static void atl1_clean_tx_ring(struct atl1_adapter
*adapter
)
1192 struct atl1_tpd_ring
*tpd_ring
= &adapter
->tpd_ring
;
1193 struct atl1_buffer
*buffer_info
;
1194 struct pci_dev
*pdev
= adapter
->pdev
;
1198 /* Free all the Tx ring sk_buffs */
1199 for (i
= 0; i
< tpd_ring
->count
; i
++) {
1200 buffer_info
= &tpd_ring
->buffer_info
[i
];
1201 if (buffer_info
->dma
) {
1202 pci_unmap_page(pdev
, buffer_info
->dma
,
1203 buffer_info
->length
, PCI_DMA_TODEVICE
);
1204 buffer_info
->dma
= 0;
1208 for (i
= 0; i
< tpd_ring
->count
; i
++) {
1209 buffer_info
= &tpd_ring
->buffer_info
[i
];
1210 if (buffer_info
->skb
) {
1211 dev_kfree_skb_any(buffer_info
->skb
);
1212 buffer_info
->skb
= NULL
;
1216 size
= sizeof(struct atl1_buffer
) * tpd_ring
->count
;
1217 memset(tpd_ring
->buffer_info
, 0, size
);
1219 /* Zero out the descriptor ring */
1220 memset(tpd_ring
->desc
, 0, tpd_ring
->size
);
1222 atomic_set(&tpd_ring
->next_to_use
, 0);
1223 atomic_set(&tpd_ring
->next_to_clean
, 0);
1227 * atl1_free_ring_resources - Free Tx / RX descriptor Resources
1228 * @adapter: board private structure
1230 * Free all transmit software resources
1232 static void atl1_free_ring_resources(struct atl1_adapter
*adapter
)
1234 struct pci_dev
*pdev
= adapter
->pdev
;
1235 struct atl1_tpd_ring
*tpd_ring
= &adapter
->tpd_ring
;
1236 struct atl1_rfd_ring
*rfd_ring
= &adapter
->rfd_ring
;
1237 struct atl1_rrd_ring
*rrd_ring
= &adapter
->rrd_ring
;
1238 struct atl1_ring_header
*ring_header
= &adapter
->ring_header
;
1240 atl1_clean_tx_ring(adapter
);
1241 atl1_clean_rx_ring(adapter
);
1243 kfree(tpd_ring
->buffer_info
);
1244 pci_free_consistent(pdev
, ring_header
->size
, ring_header
->desc
,
1247 tpd_ring
->buffer_info
= NULL
;
1248 tpd_ring
->desc
= NULL
;
1251 rfd_ring
->buffer_info
= NULL
;
1252 rfd_ring
->desc
= NULL
;
1255 rrd_ring
->desc
= NULL
;
1258 adapter
->cmb
.dma
= 0;
1259 adapter
->cmb
.cmb
= NULL
;
1261 adapter
->smb
.dma
= 0;
1262 adapter
->smb
.smb
= NULL
;
1265 static void atl1_setup_mac_ctrl(struct atl1_adapter
*adapter
)
1268 struct atl1_hw
*hw
= &adapter
->hw
;
1269 struct net_device
*netdev
= adapter
->netdev
;
1270 /* Config MAC CTRL Register */
1271 value
= MAC_CTRL_TX_EN
| MAC_CTRL_RX_EN
;
1273 if (FULL_DUPLEX
== adapter
->link_duplex
)
1274 value
|= MAC_CTRL_DUPLX
;
1276 value
|= ((u32
) ((SPEED_1000
== adapter
->link_speed
) ?
1277 MAC_CTRL_SPEED_1000
: MAC_CTRL_SPEED_10_100
) <<
1278 MAC_CTRL_SPEED_SHIFT
);
1280 value
|= (MAC_CTRL_TX_FLOW
| MAC_CTRL_RX_FLOW
);
1282 value
|= (MAC_CTRL_ADD_CRC
| MAC_CTRL_PAD
);
1283 /* preamble length */
1284 value
|= (((u32
) adapter
->hw
.preamble_len
1285 & MAC_CTRL_PRMLEN_MASK
) << MAC_CTRL_PRMLEN_SHIFT
);
1288 value
|= MAC_CTRL_RMV_VLAN
;
1290 if (adapter->rx_csum)
1291 value |= MAC_CTRL_RX_CHKSUM_EN;
1294 value
|= MAC_CTRL_BC_EN
;
1295 if (netdev
->flags
& IFF_PROMISC
)
1296 value
|= MAC_CTRL_PROMIS_EN
;
1297 else if (netdev
->flags
& IFF_ALLMULTI
)
1298 value
|= MAC_CTRL_MC_ALL_EN
;
1299 /* value |= MAC_CTRL_LOOPBACK; */
1300 iowrite32(value
, hw
->hw_addr
+ REG_MAC_CTRL
);
1303 static u32
atl1_check_link(struct atl1_adapter
*adapter
)
1305 struct atl1_hw
*hw
= &adapter
->hw
;
1306 struct net_device
*netdev
= adapter
->netdev
;
1308 u16 speed
, duplex
, phy_data
;
1311 /* MII_BMSR must read twice */
1312 atl1_read_phy_reg(hw
, MII_BMSR
, &phy_data
);
1313 atl1_read_phy_reg(hw
, MII_BMSR
, &phy_data
);
1314 if (!(phy_data
& BMSR_LSTATUS
)) {
1316 if (netif_carrier_ok(netdev
)) {
1317 /* old link state: Up */
1318 if (netif_msg_link(adapter
))
1319 dev_info(&adapter
->pdev
->dev
, "link is down\n");
1320 adapter
->link_speed
= SPEED_0
;
1321 netif_carrier_off(netdev
);
1327 ret_val
= atl1_get_speed_and_duplex(hw
, &speed
, &duplex
);
1331 switch (hw
->media_type
) {
1332 case MEDIA_TYPE_1000M_FULL
:
1333 if (speed
!= SPEED_1000
|| duplex
!= FULL_DUPLEX
)
1336 case MEDIA_TYPE_100M_FULL
:
1337 if (speed
!= SPEED_100
|| duplex
!= FULL_DUPLEX
)
1340 case MEDIA_TYPE_100M_HALF
:
1341 if (speed
!= SPEED_100
|| duplex
!= HALF_DUPLEX
)
1344 case MEDIA_TYPE_10M_FULL
:
1345 if (speed
!= SPEED_10
|| duplex
!= FULL_DUPLEX
)
1348 case MEDIA_TYPE_10M_HALF
:
1349 if (speed
!= SPEED_10
|| duplex
!= HALF_DUPLEX
)
1354 /* link result is our setting */
1356 if (adapter
->link_speed
!= speed
||
1357 adapter
->link_duplex
!= duplex
) {
1358 adapter
->link_speed
= speed
;
1359 adapter
->link_duplex
= duplex
;
1360 atl1_setup_mac_ctrl(adapter
);
1361 if (netif_msg_link(adapter
))
1362 dev_info(&adapter
->pdev
->dev
,
1363 "%s link is up %d Mbps %s\n",
1364 netdev
->name
, adapter
->link_speed
,
1365 adapter
->link_duplex
== FULL_DUPLEX
?
1366 "full duplex" : "half duplex");
1368 if (!netif_carrier_ok(netdev
)) {
1369 /* Link down -> Up */
1370 netif_carrier_on(netdev
);
1375 /* change original link status */
1376 if (netif_carrier_ok(netdev
)) {
1377 adapter
->link_speed
= SPEED_0
;
1378 netif_carrier_off(netdev
);
1379 netif_stop_queue(netdev
);
1382 if (hw
->media_type
!= MEDIA_TYPE_AUTO_SENSOR
&&
1383 hw
->media_type
!= MEDIA_TYPE_1000M_FULL
) {
1384 switch (hw
->media_type
) {
1385 case MEDIA_TYPE_100M_FULL
:
1386 phy_data
= MII_CR_FULL_DUPLEX
| MII_CR_SPEED_100
|
1389 case MEDIA_TYPE_100M_HALF
:
1390 phy_data
= MII_CR_SPEED_100
| MII_CR_RESET
;
1392 case MEDIA_TYPE_10M_FULL
:
1394 MII_CR_FULL_DUPLEX
| MII_CR_SPEED_10
| MII_CR_RESET
;
1397 /* MEDIA_TYPE_10M_HALF: */
1398 phy_data
= MII_CR_SPEED_10
| MII_CR_RESET
;
1401 atl1_write_phy_reg(hw
, MII_BMCR
, phy_data
);
1405 /* auto-neg, insert timer to re-config phy */
1406 if (!adapter
->phy_timer_pending
) {
1407 adapter
->phy_timer_pending
= true;
1408 mod_timer(&adapter
->phy_config_timer
,
1409 round_jiffies(jiffies
+ 3 * HZ
));
1415 static void set_flow_ctrl_old(struct atl1_adapter
*adapter
)
1419 /* RFD Flow Control */
1420 value
= adapter
->rfd_ring
.count
;
1426 value
= ((hi
& RXQ_RXF_PAUSE_TH_HI_MASK
) << RXQ_RXF_PAUSE_TH_HI_SHIFT
) |
1427 ((lo
& RXQ_RXF_PAUSE_TH_LO_MASK
) << RXQ_RXF_PAUSE_TH_LO_SHIFT
);
1428 iowrite32(value
, adapter
->hw
.hw_addr
+ REG_RXQ_RXF_PAUSE_THRESH
);
1430 /* RRD Flow Control */
1431 value
= adapter
->rrd_ring
.count
;
1436 value
= ((hi
& RXQ_RRD_PAUSE_TH_HI_MASK
) << RXQ_RRD_PAUSE_TH_HI_SHIFT
) |
1437 ((lo
& RXQ_RRD_PAUSE_TH_LO_MASK
) << RXQ_RRD_PAUSE_TH_LO_SHIFT
);
1438 iowrite32(value
, adapter
->hw
.hw_addr
+ REG_RXQ_RRD_PAUSE_THRESH
);
1441 static void set_flow_ctrl_new(struct atl1_hw
*hw
)
1445 /* RXF Flow Control */
1446 value
= ioread32(hw
->hw_addr
+ REG_SRAM_RXF_LEN
);
1453 value
= ((hi
& RXQ_RXF_PAUSE_TH_HI_MASK
) << RXQ_RXF_PAUSE_TH_HI_SHIFT
) |
1454 ((lo
& RXQ_RXF_PAUSE_TH_LO_MASK
) << RXQ_RXF_PAUSE_TH_LO_SHIFT
);
1455 iowrite32(value
, hw
->hw_addr
+ REG_RXQ_RXF_PAUSE_THRESH
);
1457 /* RRD Flow Control */
1458 value
= ioread32(hw
->hw_addr
+ REG_SRAM_RRD_LEN
);
1465 value
= ((hi
& RXQ_RRD_PAUSE_TH_HI_MASK
) << RXQ_RRD_PAUSE_TH_HI_SHIFT
) |
1466 ((lo
& RXQ_RRD_PAUSE_TH_LO_MASK
) << RXQ_RRD_PAUSE_TH_LO_SHIFT
);
1467 iowrite32(value
, hw
->hw_addr
+ REG_RXQ_RRD_PAUSE_THRESH
);
1471 * atl1_configure - Configure Transmit&Receive Unit after Reset
1472 * @adapter: board private structure
1474 * Configure the Tx /Rx unit of the MAC after a reset.
1476 static u32
atl1_configure(struct atl1_adapter
*adapter
)
1478 struct atl1_hw
*hw
= &adapter
->hw
;
1481 /* clear interrupt status */
1482 iowrite32(0xffffffff, adapter
->hw
.hw_addr
+ REG_ISR
);
1484 /* set MAC Address */
1485 value
= (((u32
) hw
->mac_addr
[2]) << 24) |
1486 (((u32
) hw
->mac_addr
[3]) << 16) |
1487 (((u32
) hw
->mac_addr
[4]) << 8) |
1488 (((u32
) hw
->mac_addr
[5]));
1489 iowrite32(value
, hw
->hw_addr
+ REG_MAC_STA_ADDR
);
1490 value
= (((u32
) hw
->mac_addr
[0]) << 8) | (((u32
) hw
->mac_addr
[1]));
1491 iowrite32(value
, hw
->hw_addr
+ (REG_MAC_STA_ADDR
+ 4));
1495 /* HI base address */
1496 iowrite32((u32
) ((adapter
->tpd_ring
.dma
& 0xffffffff00000000ULL
) >> 32),
1497 hw
->hw_addr
+ REG_DESC_BASE_ADDR_HI
);
1498 /* LO base address */
1499 iowrite32((u32
) (adapter
->rfd_ring
.dma
& 0x00000000ffffffffULL
),
1500 hw
->hw_addr
+ REG_DESC_RFD_ADDR_LO
);
1501 iowrite32((u32
) (adapter
->rrd_ring
.dma
& 0x00000000ffffffffULL
),
1502 hw
->hw_addr
+ REG_DESC_RRD_ADDR_LO
);
1503 iowrite32((u32
) (adapter
->tpd_ring
.dma
& 0x00000000ffffffffULL
),
1504 hw
->hw_addr
+ REG_DESC_TPD_ADDR_LO
);
1505 iowrite32((u32
) (adapter
->cmb
.dma
& 0x00000000ffffffffULL
),
1506 hw
->hw_addr
+ REG_DESC_CMB_ADDR_LO
);
1507 iowrite32((u32
) (adapter
->smb
.dma
& 0x00000000ffffffffULL
),
1508 hw
->hw_addr
+ REG_DESC_SMB_ADDR_LO
);
1511 value
= adapter
->rrd_ring
.count
;
1513 value
+= adapter
->rfd_ring
.count
;
1514 iowrite32(value
, hw
->hw_addr
+ REG_DESC_RFD_RRD_RING_SIZE
);
1515 iowrite32(adapter
->tpd_ring
.count
, hw
->hw_addr
+
1516 REG_DESC_TPD_RING_SIZE
);
1519 iowrite32(1, hw
->hw_addr
+ REG_LOAD_PTR
);
1521 /* config Mailbox */
1522 value
= ((atomic_read(&adapter
->tpd_ring
.next_to_use
)
1523 & MB_TPD_PROD_INDX_MASK
) << MB_TPD_PROD_INDX_SHIFT
) |
1524 ((atomic_read(&adapter
->rrd_ring
.next_to_clean
)
1525 & MB_RRD_CONS_INDX_MASK
) << MB_RRD_CONS_INDX_SHIFT
) |
1526 ((atomic_read(&adapter
->rfd_ring
.next_to_use
)
1527 & MB_RFD_PROD_INDX_MASK
) << MB_RFD_PROD_INDX_SHIFT
);
1528 iowrite32(value
, hw
->hw_addr
+ REG_MAILBOX
);
1530 /* config IPG/IFG */
1531 value
= (((u32
) hw
->ipgt
& MAC_IPG_IFG_IPGT_MASK
)
1532 << MAC_IPG_IFG_IPGT_SHIFT
) |
1533 (((u32
) hw
->min_ifg
& MAC_IPG_IFG_MIFG_MASK
)
1534 << MAC_IPG_IFG_MIFG_SHIFT
) |
1535 (((u32
) hw
->ipgr1
& MAC_IPG_IFG_IPGR1_MASK
)
1536 << MAC_IPG_IFG_IPGR1_SHIFT
) |
1537 (((u32
) hw
->ipgr2
& MAC_IPG_IFG_IPGR2_MASK
)
1538 << MAC_IPG_IFG_IPGR2_SHIFT
);
1539 iowrite32(value
, hw
->hw_addr
+ REG_MAC_IPG_IFG
);
1541 /* config Half-Duplex Control */
1542 value
= ((u32
) hw
->lcol
& MAC_HALF_DUPLX_CTRL_LCOL_MASK
) |
1543 (((u32
) hw
->max_retry
& MAC_HALF_DUPLX_CTRL_RETRY_MASK
)
1544 << MAC_HALF_DUPLX_CTRL_RETRY_SHIFT
) |
1545 MAC_HALF_DUPLX_CTRL_EXC_DEF_EN
|
1546 (0xa << MAC_HALF_DUPLX_CTRL_ABEBT_SHIFT
) |
1547 (((u32
) hw
->jam_ipg
& MAC_HALF_DUPLX_CTRL_JAMIPG_MASK
)
1548 << MAC_HALF_DUPLX_CTRL_JAMIPG_SHIFT
);
1549 iowrite32(value
, hw
->hw_addr
+ REG_MAC_HALF_DUPLX_CTRL
);
1551 /* set Interrupt Moderator Timer */
1552 iowrite16(adapter
->imt
, hw
->hw_addr
+ REG_IRQ_MODU_TIMER_INIT
);
1553 iowrite32(MASTER_CTRL_ITIMER_EN
, hw
->hw_addr
+ REG_MASTER_CTRL
);
1555 /* set Interrupt Clear Timer */
1556 iowrite16(adapter
->ict
, hw
->hw_addr
+ REG_CMBDISDMA_TIMER
);
1558 /* set max frame size hw will accept */
1559 iowrite32(hw
->max_frame_size
, hw
->hw_addr
+ REG_MTU
);
1561 /* jumbo size & rrd retirement timer */
1562 value
= (((u32
) hw
->rx_jumbo_th
& RXQ_JMBOSZ_TH_MASK
)
1563 << RXQ_JMBOSZ_TH_SHIFT
) |
1564 (((u32
) hw
->rx_jumbo_lkah
& RXQ_JMBO_LKAH_MASK
)
1565 << RXQ_JMBO_LKAH_SHIFT
) |
1566 (((u32
) hw
->rrd_ret_timer
& RXQ_RRD_TIMER_MASK
)
1567 << RXQ_RRD_TIMER_SHIFT
);
1568 iowrite32(value
, hw
->hw_addr
+ REG_RXQ_JMBOSZ_RRDTIM
);
1571 switch (hw
->dev_rev
) {
1576 set_flow_ctrl_old(adapter
);
1579 set_flow_ctrl_new(hw
);
1584 value
= (((u32
) hw
->tpd_burst
& TXQ_CTRL_TPD_BURST_NUM_MASK
)
1585 << TXQ_CTRL_TPD_BURST_NUM_SHIFT
) |
1586 (((u32
) hw
->txf_burst
& TXQ_CTRL_TXF_BURST_NUM_MASK
)
1587 << TXQ_CTRL_TXF_BURST_NUM_SHIFT
) |
1588 (((u32
) hw
->tpd_fetch_th
& TXQ_CTRL_TPD_FETCH_TH_MASK
)
1589 << TXQ_CTRL_TPD_FETCH_TH_SHIFT
) | TXQ_CTRL_ENH_MODE
|
1591 iowrite32(value
, hw
->hw_addr
+ REG_TXQ_CTRL
);
1593 /* min tpd fetch gap & tx jumbo packet size threshold for taskoffload */
1594 value
= (((u32
) hw
->tx_jumbo_task_th
& TX_JUMBO_TASK_TH_MASK
)
1595 << TX_JUMBO_TASK_TH_SHIFT
) |
1596 (((u32
) hw
->tpd_fetch_gap
& TX_TPD_MIN_IPG_MASK
)
1597 << TX_TPD_MIN_IPG_SHIFT
);
1598 iowrite32(value
, hw
->hw_addr
+ REG_TX_JUMBO_TASK_TH_TPD_IPG
);
1601 value
= (((u32
) hw
->rfd_burst
& RXQ_CTRL_RFD_BURST_NUM_MASK
)
1602 << RXQ_CTRL_RFD_BURST_NUM_SHIFT
) |
1603 (((u32
) hw
->rrd_burst
& RXQ_CTRL_RRD_BURST_THRESH_MASK
)
1604 << RXQ_CTRL_RRD_BURST_THRESH_SHIFT
) |
1605 (((u32
) hw
->rfd_fetch_gap
& RXQ_CTRL_RFD_PREF_MIN_IPG_MASK
)
1606 << RXQ_CTRL_RFD_PREF_MIN_IPG_SHIFT
) | RXQ_CTRL_CUT_THRU_EN
|
1608 iowrite32(value
, hw
->hw_addr
+ REG_RXQ_CTRL
);
1610 /* config DMA Engine */
1611 value
= ((((u32
) hw
->dmar_block
) & DMA_CTRL_DMAR_BURST_LEN_MASK
)
1612 << DMA_CTRL_DMAR_BURST_LEN_SHIFT
) |
1613 ((((u32
) hw
->dmaw_block
) & DMA_CTRL_DMAW_BURST_LEN_MASK
)
1614 << DMA_CTRL_DMAW_BURST_LEN_SHIFT
) | DMA_CTRL_DMAR_EN
|
1616 value
|= (u32
) hw
->dma_ord
;
1617 if (atl1_rcb_128
== hw
->rcb_value
)
1618 value
|= DMA_CTRL_RCB_VALUE
;
1619 iowrite32(value
, hw
->hw_addr
+ REG_DMA_CTRL
);
1621 /* config CMB / SMB */
1622 value
= (hw
->cmb_tpd
> adapter
->tpd_ring
.count
) ?
1623 hw
->cmb_tpd
: adapter
->tpd_ring
.count
;
1625 value
|= hw
->cmb_rrd
;
1626 iowrite32(value
, hw
->hw_addr
+ REG_CMB_WRITE_TH
);
1627 value
= hw
->cmb_rx_timer
| ((u32
) hw
->cmb_tx_timer
<< 16);
1628 iowrite32(value
, hw
->hw_addr
+ REG_CMB_WRITE_TIMER
);
1629 iowrite32(hw
->smb_timer
, hw
->hw_addr
+ REG_SMB_TIMER
);
1631 /* --- enable CMB / SMB */
1632 value
= CSMB_CTRL_CMB_EN
| CSMB_CTRL_SMB_EN
;
1633 iowrite32(value
, hw
->hw_addr
+ REG_CSMB_CTRL
);
1635 value
= ioread32(adapter
->hw
.hw_addr
+ REG_ISR
);
1636 if (unlikely((value
& ISR_PHY_LINKDOWN
) != 0))
1637 value
= 1; /* config failed */
1641 /* clear all interrupt status */
1642 iowrite32(0x3fffffff, adapter
->hw
.hw_addr
+ REG_ISR
);
1643 iowrite32(0, adapter
->hw
.hw_addr
+ REG_ISR
);
1648 * atl1_pcie_patch - Patch for PCIE module
1650 static void atl1_pcie_patch(struct atl1_adapter
*adapter
)
1654 /* much vendor magic here */
1656 iowrite32(value
, adapter
->hw
.hw_addr
+ 0x12FC);
1657 /* pcie flow control mode change */
1658 value
= ioread32(adapter
->hw
.hw_addr
+ 0x1008);
1660 iowrite32(value
, adapter
->hw
.hw_addr
+ 0x1008);
1664 * When ACPI resume on some VIA MotherBoard, the Interrupt Disable bit/0x400
1665 * on PCI Command register is disable.
1666 * The function enable this bit.
1667 * Brackett, 2006/03/15
1669 static void atl1_via_workaround(struct atl1_adapter
*adapter
)
1671 unsigned long value
;
1673 value
= ioread16(adapter
->hw
.hw_addr
+ PCI_COMMAND
);
1674 if (value
& PCI_COMMAND_INTX_DISABLE
)
1675 value
&= ~PCI_COMMAND_INTX_DISABLE
;
1676 iowrite32(value
, adapter
->hw
.hw_addr
+ PCI_COMMAND
);
1679 static void atl1_inc_smb(struct atl1_adapter
*adapter
)
1681 struct net_device
*netdev
= adapter
->netdev
;
1682 struct stats_msg_block
*smb
= adapter
->smb
.smb
;
1684 /* Fill out the OS statistics structure */
1685 adapter
->soft_stats
.rx_packets
+= smb
->rx_ok
;
1686 adapter
->soft_stats
.tx_packets
+= smb
->tx_ok
;
1687 adapter
->soft_stats
.rx_bytes
+= smb
->rx_byte_cnt
;
1688 adapter
->soft_stats
.tx_bytes
+= smb
->tx_byte_cnt
;
1689 adapter
->soft_stats
.multicast
+= smb
->rx_mcast
;
1690 adapter
->soft_stats
.collisions
+= (smb
->tx_1_col
+ smb
->tx_2_col
* 2 +
1691 smb
->tx_late_col
+ smb
->tx_abort_col
* adapter
->hw
.max_retry
);
1694 adapter
->soft_stats
.rx_errors
+= (smb
->rx_frag
+ smb
->rx_fcs_err
+
1695 smb
->rx_len_err
+ smb
->rx_sz_ov
+ smb
->rx_rxf_ov
+
1696 smb
->rx_rrd_ov
+ smb
->rx_align_err
);
1697 adapter
->soft_stats
.rx_fifo_errors
+= smb
->rx_rxf_ov
;
1698 adapter
->soft_stats
.rx_length_errors
+= smb
->rx_len_err
;
1699 adapter
->soft_stats
.rx_crc_errors
+= smb
->rx_fcs_err
;
1700 adapter
->soft_stats
.rx_frame_errors
+= smb
->rx_align_err
;
1701 adapter
->soft_stats
.rx_missed_errors
+= (smb
->rx_rrd_ov
+
1704 adapter
->soft_stats
.rx_pause
+= smb
->rx_pause
;
1705 adapter
->soft_stats
.rx_rrd_ov
+= smb
->rx_rrd_ov
;
1706 adapter
->soft_stats
.rx_trunc
+= smb
->rx_sz_ov
;
1709 adapter
->soft_stats
.tx_errors
+= (smb
->tx_late_col
+
1710 smb
->tx_abort_col
+ smb
->tx_underrun
+ smb
->tx_trunc
);
1711 adapter
->soft_stats
.tx_fifo_errors
+= smb
->tx_underrun
;
1712 adapter
->soft_stats
.tx_aborted_errors
+= smb
->tx_abort_col
;
1713 adapter
->soft_stats
.tx_window_errors
+= smb
->tx_late_col
;
1715 adapter
->soft_stats
.excecol
+= smb
->tx_abort_col
;
1716 adapter
->soft_stats
.deffer
+= smb
->tx_defer
;
1717 adapter
->soft_stats
.scc
+= smb
->tx_1_col
;
1718 adapter
->soft_stats
.mcc
+= smb
->tx_2_col
;
1719 adapter
->soft_stats
.latecol
+= smb
->tx_late_col
;
1720 adapter
->soft_stats
.tx_underun
+= smb
->tx_underrun
;
1721 adapter
->soft_stats
.tx_trunc
+= smb
->tx_trunc
;
1722 adapter
->soft_stats
.tx_pause
+= smb
->tx_pause
;
1724 netdev
->stats
.rx_packets
= adapter
->soft_stats
.rx_packets
;
1725 netdev
->stats
.tx_packets
= adapter
->soft_stats
.tx_packets
;
1726 netdev
->stats
.rx_bytes
= adapter
->soft_stats
.rx_bytes
;
1727 netdev
->stats
.tx_bytes
= adapter
->soft_stats
.tx_bytes
;
1728 netdev
->stats
.multicast
= adapter
->soft_stats
.multicast
;
1729 netdev
->stats
.collisions
= adapter
->soft_stats
.collisions
;
1730 netdev
->stats
.rx_errors
= adapter
->soft_stats
.rx_errors
;
1731 netdev
->stats
.rx_over_errors
=
1732 adapter
->soft_stats
.rx_missed_errors
;
1733 netdev
->stats
.rx_length_errors
=
1734 adapter
->soft_stats
.rx_length_errors
;
1735 netdev
->stats
.rx_crc_errors
= adapter
->soft_stats
.rx_crc_errors
;
1736 netdev
->stats
.rx_frame_errors
=
1737 adapter
->soft_stats
.rx_frame_errors
;
1738 netdev
->stats
.rx_fifo_errors
= adapter
->soft_stats
.rx_fifo_errors
;
1739 netdev
->stats
.rx_missed_errors
=
1740 adapter
->soft_stats
.rx_missed_errors
;
1741 netdev
->stats
.tx_errors
= adapter
->soft_stats
.tx_errors
;
1742 netdev
->stats
.tx_fifo_errors
= adapter
->soft_stats
.tx_fifo_errors
;
1743 netdev
->stats
.tx_aborted_errors
=
1744 adapter
->soft_stats
.tx_aborted_errors
;
1745 netdev
->stats
.tx_window_errors
=
1746 adapter
->soft_stats
.tx_window_errors
;
1747 netdev
->stats
.tx_carrier_errors
=
1748 adapter
->soft_stats
.tx_carrier_errors
;
1751 static void atl1_update_mailbox(struct atl1_adapter
*adapter
)
1753 unsigned long flags
;
1754 u32 tpd_next_to_use
;
1755 u32 rfd_next_to_use
;
1756 u32 rrd_next_to_clean
;
1759 spin_lock_irqsave(&adapter
->mb_lock
, flags
);
1761 tpd_next_to_use
= atomic_read(&adapter
->tpd_ring
.next_to_use
);
1762 rfd_next_to_use
= atomic_read(&adapter
->rfd_ring
.next_to_use
);
1763 rrd_next_to_clean
= atomic_read(&adapter
->rrd_ring
.next_to_clean
);
1765 value
= ((rfd_next_to_use
& MB_RFD_PROD_INDX_MASK
) <<
1766 MB_RFD_PROD_INDX_SHIFT
) |
1767 ((rrd_next_to_clean
& MB_RRD_CONS_INDX_MASK
) <<
1768 MB_RRD_CONS_INDX_SHIFT
) |
1769 ((tpd_next_to_use
& MB_TPD_PROD_INDX_MASK
) <<
1770 MB_TPD_PROD_INDX_SHIFT
);
1771 iowrite32(value
, adapter
->hw
.hw_addr
+ REG_MAILBOX
);
1773 spin_unlock_irqrestore(&adapter
->mb_lock
, flags
);
1776 static void atl1_clean_alloc_flag(struct atl1_adapter
*adapter
,
1777 struct rx_return_desc
*rrd
, u16 offset
)
1779 struct atl1_rfd_ring
*rfd_ring
= &adapter
->rfd_ring
;
1781 while (rfd_ring
->next_to_clean
!= (rrd
->buf_indx
+ offset
)) {
1782 rfd_ring
->buffer_info
[rfd_ring
->next_to_clean
].alloced
= 0;
1783 if (++rfd_ring
->next_to_clean
== rfd_ring
->count
) {
1784 rfd_ring
->next_to_clean
= 0;
1789 static void atl1_update_rfd_index(struct atl1_adapter
*adapter
,
1790 struct rx_return_desc
*rrd
)
1794 num_buf
= (rrd
->xsz
.xsum_sz
.pkt_size
+ adapter
->rx_buffer_len
- 1) /
1795 adapter
->rx_buffer_len
;
1796 if (rrd
->num_buf
== num_buf
)
1797 /* clean alloc flag for bad rrd */
1798 atl1_clean_alloc_flag(adapter
, rrd
, num_buf
);
1801 static void atl1_rx_checksum(struct atl1_adapter
*adapter
,
1802 struct rx_return_desc
*rrd
, struct sk_buff
*skb
)
1804 struct pci_dev
*pdev
= adapter
->pdev
;
1807 * The L1 hardware contains a bug that erroneously sets the
1808 * PACKET_FLAG_ERR and ERR_FLAG_L4_CHKSUM bits whenever a
1809 * fragmented IP packet is received, even though the packet
1810 * is perfectly valid and its checksum is correct. There's
1811 * no way to distinguish between one of these good packets
1812 * and a packet that actually contains a TCP/UDP checksum
1813 * error, so all we can do is allow it to be handed up to
1814 * the higher layers and let it be sorted out there.
1817 skb_checksum_none_assert(skb
);
1819 if (unlikely(rrd
->pkt_flg
& PACKET_FLAG_ERR
)) {
1820 if (rrd
->err_flg
& (ERR_FLAG_CRC
| ERR_FLAG_TRUNC
|
1821 ERR_FLAG_CODE
| ERR_FLAG_OV
)) {
1822 adapter
->hw_csum_err
++;
1823 if (netif_msg_rx_err(adapter
))
1824 dev_printk(KERN_DEBUG
, &pdev
->dev
,
1825 "rx checksum error\n");
1831 if (!(rrd
->pkt_flg
& PACKET_FLAG_IPV4
))
1832 /* checksum is invalid, but it's not an IPv4 pkt, so ok */
1836 if (likely(!(rrd
->err_flg
&
1837 (ERR_FLAG_IP_CHKSUM
| ERR_FLAG_L4_CHKSUM
)))) {
1838 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
1839 adapter
->hw_csum_good
++;
1845 * atl1_alloc_rx_buffers - Replace used receive buffers
1846 * @adapter: address of board private structure
1848 static u16
atl1_alloc_rx_buffers(struct atl1_adapter
*adapter
)
1850 struct atl1_rfd_ring
*rfd_ring
= &adapter
->rfd_ring
;
1851 struct pci_dev
*pdev
= adapter
->pdev
;
1853 unsigned long offset
;
1854 struct atl1_buffer
*buffer_info
, *next_info
;
1855 struct sk_buff
*skb
;
1857 u16 rfd_next_to_use
, next_next
;
1858 struct rx_free_desc
*rfd_desc
;
1860 next_next
= rfd_next_to_use
= atomic_read(&rfd_ring
->next_to_use
);
1861 if (++next_next
== rfd_ring
->count
)
1863 buffer_info
= &rfd_ring
->buffer_info
[rfd_next_to_use
];
1864 next_info
= &rfd_ring
->buffer_info
[next_next
];
1866 while (!buffer_info
->alloced
&& !next_info
->alloced
) {
1867 if (buffer_info
->skb
) {
1868 buffer_info
->alloced
= 1;
1872 rfd_desc
= ATL1_RFD_DESC(rfd_ring
, rfd_next_to_use
);
1874 skb
= netdev_alloc_skb_ip_align(adapter
->netdev
,
1875 adapter
->rx_buffer_len
);
1876 if (unlikely(!skb
)) {
1877 /* Better luck next round */
1878 adapter
->netdev
->stats
.rx_dropped
++;
1882 buffer_info
->alloced
= 1;
1883 buffer_info
->skb
= skb
;
1884 buffer_info
->length
= (u16
) adapter
->rx_buffer_len
;
1885 page
= virt_to_page(skb
->data
);
1886 offset
= (unsigned long)skb
->data
& ~PAGE_MASK
;
1887 buffer_info
->dma
= pci_map_page(pdev
, page
, offset
,
1888 adapter
->rx_buffer_len
,
1889 PCI_DMA_FROMDEVICE
);
1890 rfd_desc
->buffer_addr
= cpu_to_le64(buffer_info
->dma
);
1891 rfd_desc
->buf_len
= cpu_to_le16(adapter
->rx_buffer_len
);
1892 rfd_desc
->coalese
= 0;
1895 rfd_next_to_use
= next_next
;
1896 if (unlikely(++next_next
== rfd_ring
->count
))
1899 buffer_info
= &rfd_ring
->buffer_info
[rfd_next_to_use
];
1900 next_info
= &rfd_ring
->buffer_info
[next_next
];
1906 * Force memory writes to complete before letting h/w
1907 * know there are new descriptors to fetch. (Only
1908 * applicable for weak-ordered memory model archs,
1912 atomic_set(&rfd_ring
->next_to_use
, (int)rfd_next_to_use
);
1917 static void atl1_intr_rx(struct atl1_adapter
*adapter
)
1921 u16 rrd_next_to_clean
;
1923 struct atl1_rfd_ring
*rfd_ring
= &adapter
->rfd_ring
;
1924 struct atl1_rrd_ring
*rrd_ring
= &adapter
->rrd_ring
;
1925 struct atl1_buffer
*buffer_info
;
1926 struct rx_return_desc
*rrd
;
1927 struct sk_buff
*skb
;
1931 rrd_next_to_clean
= atomic_read(&rrd_ring
->next_to_clean
);
1934 rrd
= ATL1_RRD_DESC(rrd_ring
, rrd_next_to_clean
);
1936 if (likely(rrd
->xsz
.valid
)) { /* packet valid */
1938 /* check rrd status */
1939 if (likely(rrd
->num_buf
== 1))
1941 else if (netif_msg_rx_err(adapter
)) {
1942 dev_printk(KERN_DEBUG
, &adapter
->pdev
->dev
,
1943 "unexpected RRD buffer count\n");
1944 dev_printk(KERN_DEBUG
, &adapter
->pdev
->dev
,
1945 "rx_buf_len = %d\n",
1946 adapter
->rx_buffer_len
);
1947 dev_printk(KERN_DEBUG
, &adapter
->pdev
->dev
,
1948 "RRD num_buf = %d\n",
1950 dev_printk(KERN_DEBUG
, &adapter
->pdev
->dev
,
1951 "RRD pkt_len = %d\n",
1952 rrd
->xsz
.xsum_sz
.pkt_size
);
1953 dev_printk(KERN_DEBUG
, &adapter
->pdev
->dev
,
1954 "RRD pkt_flg = 0x%08X\n",
1956 dev_printk(KERN_DEBUG
, &adapter
->pdev
->dev
,
1957 "RRD err_flg = 0x%08X\n",
1959 dev_printk(KERN_DEBUG
, &adapter
->pdev
->dev
,
1960 "RRD vlan_tag = 0x%08X\n",
1964 /* rrd seems to be bad */
1965 if (unlikely(i
-- > 0)) {
1966 /* rrd may not be DMAed completely */
1971 if (netif_msg_rx_err(adapter
))
1972 dev_printk(KERN_DEBUG
, &adapter
->pdev
->dev
,
1974 /* see if update RFD index */
1975 if (rrd
->num_buf
> 1)
1976 atl1_update_rfd_index(adapter
, rrd
);
1980 if (++rrd_next_to_clean
== rrd_ring
->count
)
1981 rrd_next_to_clean
= 0;
1984 } else { /* current rrd still not be updated */
1989 /* clean alloc flag for bad rrd */
1990 atl1_clean_alloc_flag(adapter
, rrd
, 0);
1992 buffer_info
= &rfd_ring
->buffer_info
[rrd
->buf_indx
];
1993 if (++rfd_ring
->next_to_clean
== rfd_ring
->count
)
1994 rfd_ring
->next_to_clean
= 0;
1996 /* update rrd next to clean */
1997 if (++rrd_next_to_clean
== rrd_ring
->count
)
1998 rrd_next_to_clean
= 0;
2001 if (unlikely(rrd
->pkt_flg
& PACKET_FLAG_ERR
)) {
2002 if (!(rrd
->err_flg
&
2003 (ERR_FLAG_IP_CHKSUM
| ERR_FLAG_L4_CHKSUM
2005 /* packet error, don't need upstream */
2006 buffer_info
->alloced
= 0;
2013 pci_unmap_page(adapter
->pdev
, buffer_info
->dma
,
2014 buffer_info
->length
, PCI_DMA_FROMDEVICE
);
2015 buffer_info
->dma
= 0;
2016 skb
= buffer_info
->skb
;
2017 length
= le16_to_cpu(rrd
->xsz
.xsum_sz
.pkt_size
);
2019 skb_put(skb
, length
- ETH_FCS_LEN
);
2021 /* Receive Checksum Offload */
2022 atl1_rx_checksum(adapter
, rrd
, skb
);
2023 skb
->protocol
= eth_type_trans(skb
, adapter
->netdev
);
2025 if (adapter
->vlgrp
&& (rrd
->pkt_flg
& PACKET_FLAG_VLAN_INS
)) {
2026 u16 vlan_tag
= (rrd
->vlan_tag
>> 4) |
2027 ((rrd
->vlan_tag
& 7) << 13) |
2028 ((rrd
->vlan_tag
& 8) << 9);
2029 vlan_hwaccel_rx(skb
, adapter
->vlgrp
, vlan_tag
);
2033 /* let protocol layer free skb */
2034 buffer_info
->skb
= NULL
;
2035 buffer_info
->alloced
= 0;
2039 atomic_set(&rrd_ring
->next_to_clean
, rrd_next_to_clean
);
2041 atl1_alloc_rx_buffers(adapter
);
2043 /* update mailbox ? */
2045 u32 tpd_next_to_use
;
2046 u32 rfd_next_to_use
;
2048 spin_lock(&adapter
->mb_lock
);
2050 tpd_next_to_use
= atomic_read(&adapter
->tpd_ring
.next_to_use
);
2052 atomic_read(&adapter
->rfd_ring
.next_to_use
);
2054 atomic_read(&adapter
->rrd_ring
.next_to_clean
);
2055 value
= ((rfd_next_to_use
& MB_RFD_PROD_INDX_MASK
) <<
2056 MB_RFD_PROD_INDX_SHIFT
) |
2057 ((rrd_next_to_clean
& MB_RRD_CONS_INDX_MASK
) <<
2058 MB_RRD_CONS_INDX_SHIFT
) |
2059 ((tpd_next_to_use
& MB_TPD_PROD_INDX_MASK
) <<
2060 MB_TPD_PROD_INDX_SHIFT
);
2061 iowrite32(value
, adapter
->hw
.hw_addr
+ REG_MAILBOX
);
2062 spin_unlock(&adapter
->mb_lock
);
2066 static void atl1_intr_tx(struct atl1_adapter
*adapter
)
2068 struct atl1_tpd_ring
*tpd_ring
= &adapter
->tpd_ring
;
2069 struct atl1_buffer
*buffer_info
;
2070 u16 sw_tpd_next_to_clean
;
2071 u16 cmb_tpd_next_to_clean
;
2073 sw_tpd_next_to_clean
= atomic_read(&tpd_ring
->next_to_clean
);
2074 cmb_tpd_next_to_clean
= le16_to_cpu(adapter
->cmb
.cmb
->tpd_cons_idx
);
2076 while (cmb_tpd_next_to_clean
!= sw_tpd_next_to_clean
) {
2077 struct tx_packet_desc
*tpd
;
2079 tpd
= ATL1_TPD_DESC(tpd_ring
, sw_tpd_next_to_clean
);
2080 buffer_info
= &tpd_ring
->buffer_info
[sw_tpd_next_to_clean
];
2081 if (buffer_info
->dma
) {
2082 pci_unmap_page(adapter
->pdev
, buffer_info
->dma
,
2083 buffer_info
->length
, PCI_DMA_TODEVICE
);
2084 buffer_info
->dma
= 0;
2087 if (buffer_info
->skb
) {
2088 dev_kfree_skb_irq(buffer_info
->skb
);
2089 buffer_info
->skb
= NULL
;
2092 if (++sw_tpd_next_to_clean
== tpd_ring
->count
)
2093 sw_tpd_next_to_clean
= 0;
2095 atomic_set(&tpd_ring
->next_to_clean
, sw_tpd_next_to_clean
);
2097 if (netif_queue_stopped(adapter
->netdev
) &&
2098 netif_carrier_ok(adapter
->netdev
))
2099 netif_wake_queue(adapter
->netdev
);
2102 static u16
atl1_tpd_avail(struct atl1_tpd_ring
*tpd_ring
)
2104 u16 next_to_clean
= atomic_read(&tpd_ring
->next_to_clean
);
2105 u16 next_to_use
= atomic_read(&tpd_ring
->next_to_use
);
2106 return (next_to_clean
> next_to_use
) ?
2107 next_to_clean
- next_to_use
- 1 :
2108 tpd_ring
->count
+ next_to_clean
- next_to_use
- 1;
2111 static int atl1_tso(struct atl1_adapter
*adapter
, struct sk_buff
*skb
,
2112 struct tx_packet_desc
*ptpd
)
2118 if (skb_shinfo(skb
)->gso_size
) {
2119 if (skb_header_cloned(skb
)) {
2120 err
= pskb_expand_head(skb
, 0, 0, GFP_ATOMIC
);
2125 if (skb
->protocol
== htons(ETH_P_IP
)) {
2126 struct iphdr
*iph
= ip_hdr(skb
);
2128 real_len
= (((unsigned char *)iph
- skb
->data
) +
2129 ntohs(iph
->tot_len
));
2130 if (real_len
< skb
->len
)
2131 pskb_trim(skb
, real_len
);
2132 hdr_len
= (skb_transport_offset(skb
) + tcp_hdrlen(skb
));
2133 if (skb
->len
== hdr_len
) {
2135 tcp_hdr(skb
)->check
=
2136 ~csum_tcpudp_magic(iph
->saddr
,
2137 iph
->daddr
, tcp_hdrlen(skb
),
2139 ptpd
->word3
|= (iph
->ihl
& TPD_IPHL_MASK
) <<
2141 ptpd
->word3
|= ((tcp_hdrlen(skb
) >> 2) &
2142 TPD_TCPHDRLEN_MASK
) <<
2143 TPD_TCPHDRLEN_SHIFT
;
2144 ptpd
->word3
|= 1 << TPD_IP_CSUM_SHIFT
;
2145 ptpd
->word3
|= 1 << TPD_TCP_CSUM_SHIFT
;
2150 tcp_hdr(skb
)->check
= ~csum_tcpudp_magic(iph
->saddr
,
2151 iph
->daddr
, 0, IPPROTO_TCP
, 0);
2152 ip_off
= (unsigned char *)iph
-
2153 (unsigned char *) skb_network_header(skb
);
2154 if (ip_off
== 8) /* 802.3-SNAP frame */
2155 ptpd
->word3
|= 1 << TPD_ETHTYPE_SHIFT
;
2156 else if (ip_off
!= 0)
2159 ptpd
->word3
|= (iph
->ihl
& TPD_IPHL_MASK
) <<
2161 ptpd
->word3
|= ((tcp_hdrlen(skb
) >> 2) &
2162 TPD_TCPHDRLEN_MASK
) << TPD_TCPHDRLEN_SHIFT
;
2163 ptpd
->word3
|= (skb_shinfo(skb
)->gso_size
&
2164 TPD_MSS_MASK
) << TPD_MSS_SHIFT
;
2165 ptpd
->word3
|= 1 << TPD_SEGMENT_EN_SHIFT
;
2172 static int atl1_tx_csum(struct atl1_adapter
*adapter
, struct sk_buff
*skb
,
2173 struct tx_packet_desc
*ptpd
)
2177 if (likely(skb
->ip_summed
== CHECKSUM_PARTIAL
)) {
2178 css
= skb_checksum_start_offset(skb
);
2179 cso
= css
+ (u8
) skb
->csum_offset
;
2180 if (unlikely(css
& 0x1)) {
2181 /* L1 hardware requires an even number here */
2182 if (netif_msg_tx_err(adapter
))
2183 dev_printk(KERN_DEBUG
, &adapter
->pdev
->dev
,
2184 "payload offset not an even number\n");
2187 ptpd
->word3
|= (css
& TPD_PLOADOFFSET_MASK
) <<
2188 TPD_PLOADOFFSET_SHIFT
;
2189 ptpd
->word3
|= (cso
& TPD_CCSUMOFFSET_MASK
) <<
2190 TPD_CCSUMOFFSET_SHIFT
;
2191 ptpd
->word3
|= 1 << TPD_CUST_CSUM_EN_SHIFT
;
2197 static void atl1_tx_map(struct atl1_adapter
*adapter
, struct sk_buff
*skb
,
2198 struct tx_packet_desc
*ptpd
)
2200 struct atl1_tpd_ring
*tpd_ring
= &adapter
->tpd_ring
;
2201 struct atl1_buffer
*buffer_info
;
2202 u16 buf_len
= skb
->len
;
2204 unsigned long offset
;
2205 unsigned int nr_frags
;
2212 buf_len
-= skb
->data_len
;
2213 nr_frags
= skb_shinfo(skb
)->nr_frags
;
2214 next_to_use
= atomic_read(&tpd_ring
->next_to_use
);
2215 buffer_info
= &tpd_ring
->buffer_info
[next_to_use
];
2216 BUG_ON(buffer_info
->skb
);
2217 /* put skb in last TPD */
2218 buffer_info
->skb
= NULL
;
2220 retval
= (ptpd
->word3
>> TPD_SEGMENT_EN_SHIFT
) & TPD_SEGMENT_EN_MASK
;
2223 hdr_len
= skb_transport_offset(skb
) + tcp_hdrlen(skb
);
2224 buffer_info
->length
= hdr_len
;
2225 page
= virt_to_page(skb
->data
);
2226 offset
= (unsigned long)skb
->data
& ~PAGE_MASK
;
2227 buffer_info
->dma
= pci_map_page(adapter
->pdev
, page
,
2231 if (++next_to_use
== tpd_ring
->count
)
2234 if (buf_len
> hdr_len
) {
2237 data_len
= buf_len
- hdr_len
;
2238 nseg
= (data_len
+ ATL1_MAX_TX_BUF_LEN
- 1) /
2239 ATL1_MAX_TX_BUF_LEN
;
2240 for (i
= 0; i
< nseg
; i
++) {
2242 &tpd_ring
->buffer_info
[next_to_use
];
2243 buffer_info
->skb
= NULL
;
2244 buffer_info
->length
=
2245 (ATL1_MAX_TX_BUF_LEN
>=
2246 data_len
) ? ATL1_MAX_TX_BUF_LEN
: data_len
;
2247 data_len
-= buffer_info
->length
;
2248 page
= virt_to_page(skb
->data
+
2249 (hdr_len
+ i
* ATL1_MAX_TX_BUF_LEN
));
2250 offset
= (unsigned long)(skb
->data
+
2251 (hdr_len
+ i
* ATL1_MAX_TX_BUF_LEN
)) &
2253 buffer_info
->dma
= pci_map_page(adapter
->pdev
,
2254 page
, offset
, buffer_info
->length
,
2256 if (++next_to_use
== tpd_ring
->count
)
2262 buffer_info
->length
= buf_len
;
2263 page
= virt_to_page(skb
->data
);
2264 offset
= (unsigned long)skb
->data
& ~PAGE_MASK
;
2265 buffer_info
->dma
= pci_map_page(adapter
->pdev
, page
,
2266 offset
, buf_len
, PCI_DMA_TODEVICE
);
2267 if (++next_to_use
== tpd_ring
->count
)
2271 for (f
= 0; f
< nr_frags
; f
++) {
2272 struct skb_frag_struct
*frag
;
2275 frag
= &skb_shinfo(skb
)->frags
[f
];
2276 buf_len
= frag
->size
;
2278 nseg
= (buf_len
+ ATL1_MAX_TX_BUF_LEN
- 1) /
2279 ATL1_MAX_TX_BUF_LEN
;
2280 for (i
= 0; i
< nseg
; i
++) {
2281 buffer_info
= &tpd_ring
->buffer_info
[next_to_use
];
2282 BUG_ON(buffer_info
->skb
);
2284 buffer_info
->skb
= NULL
;
2285 buffer_info
->length
= (buf_len
> ATL1_MAX_TX_BUF_LEN
) ?
2286 ATL1_MAX_TX_BUF_LEN
: buf_len
;
2287 buf_len
-= buffer_info
->length
;
2288 buffer_info
->dma
= pci_map_page(adapter
->pdev
,
2290 frag
->page_offset
+ (i
* ATL1_MAX_TX_BUF_LEN
),
2291 buffer_info
->length
, PCI_DMA_TODEVICE
);
2293 if (++next_to_use
== tpd_ring
->count
)
2298 /* last tpd's buffer-info */
2299 buffer_info
->skb
= skb
;
2302 static void atl1_tx_queue(struct atl1_adapter
*adapter
, u16 count
,
2303 struct tx_packet_desc
*ptpd
)
2305 struct atl1_tpd_ring
*tpd_ring
= &adapter
->tpd_ring
;
2306 struct atl1_buffer
*buffer_info
;
2307 struct tx_packet_desc
*tpd
;
2310 u16 next_to_use
= (u16
) atomic_read(&tpd_ring
->next_to_use
);
2312 for (j
= 0; j
< count
; j
++) {
2313 buffer_info
= &tpd_ring
->buffer_info
[next_to_use
];
2314 tpd
= ATL1_TPD_DESC(&adapter
->tpd_ring
, next_to_use
);
2316 memcpy(tpd
, ptpd
, sizeof(struct tx_packet_desc
));
2317 tpd
->buffer_addr
= cpu_to_le64(buffer_info
->dma
);
2318 tpd
->word2
&= ~(TPD_BUFLEN_MASK
<< TPD_BUFLEN_SHIFT
);
2319 tpd
->word2
|= (cpu_to_le16(buffer_info
->length
) &
2320 TPD_BUFLEN_MASK
) << TPD_BUFLEN_SHIFT
;
2323 * if this is the first packet in a TSO chain, set
2324 * TPD_HDRFLAG, otherwise, clear it.
2326 val
= (tpd
->word3
>> TPD_SEGMENT_EN_SHIFT
) &
2327 TPD_SEGMENT_EN_MASK
;
2330 tpd
->word3
|= 1 << TPD_HDRFLAG_SHIFT
;
2332 tpd
->word3
&= ~(1 << TPD_HDRFLAG_SHIFT
);
2335 if (j
== (count
- 1))
2336 tpd
->word3
|= 1 << TPD_EOP_SHIFT
;
2338 if (++next_to_use
== tpd_ring
->count
)
2342 * Force memory writes to complete before letting h/w
2343 * know there are new descriptors to fetch. (Only
2344 * applicable for weak-ordered memory model archs,
2349 atomic_set(&tpd_ring
->next_to_use
, next_to_use
);
2352 static netdev_tx_t
atl1_xmit_frame(struct sk_buff
*skb
,
2353 struct net_device
*netdev
)
2355 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
2356 struct atl1_tpd_ring
*tpd_ring
= &adapter
->tpd_ring
;
2361 struct tx_packet_desc
*ptpd
;
2364 unsigned int nr_frags
= 0;
2365 unsigned int mss
= 0;
2367 unsigned int proto_hdr_len
;
2369 len
= skb_headlen(skb
);
2371 if (unlikely(skb
->len
<= 0)) {
2372 dev_kfree_skb_any(skb
);
2373 return NETDEV_TX_OK
;
2376 nr_frags
= skb_shinfo(skb
)->nr_frags
;
2377 for (f
= 0; f
< nr_frags
; f
++) {
2378 frag_size
= skb_shinfo(skb
)->frags
[f
].size
;
2380 count
+= (frag_size
+ ATL1_MAX_TX_BUF_LEN
- 1) /
2381 ATL1_MAX_TX_BUF_LEN
;
2384 mss
= skb_shinfo(skb
)->gso_size
;
2386 if (skb
->protocol
== htons(ETH_P_IP
)) {
2387 proto_hdr_len
= (skb_transport_offset(skb
) +
2389 if (unlikely(proto_hdr_len
> len
)) {
2390 dev_kfree_skb_any(skb
);
2391 return NETDEV_TX_OK
;
2393 /* need additional TPD ? */
2394 if (proto_hdr_len
!= len
)
2395 count
+= (len
- proto_hdr_len
+
2396 ATL1_MAX_TX_BUF_LEN
- 1) /
2397 ATL1_MAX_TX_BUF_LEN
;
2401 if (atl1_tpd_avail(&adapter
->tpd_ring
) < count
) {
2402 /* not enough descriptors */
2403 netif_stop_queue(netdev
);
2404 if (netif_msg_tx_queued(adapter
))
2405 dev_printk(KERN_DEBUG
, &adapter
->pdev
->dev
,
2407 return NETDEV_TX_BUSY
;
2410 ptpd
= ATL1_TPD_DESC(tpd_ring
,
2411 (u16
) atomic_read(&tpd_ring
->next_to_use
));
2412 memset(ptpd
, 0, sizeof(struct tx_packet_desc
));
2414 if (vlan_tx_tag_present(skb
)) {
2415 vlan_tag
= vlan_tx_tag_get(skb
);
2416 vlan_tag
= (vlan_tag
<< 4) | (vlan_tag
>> 13) |
2417 ((vlan_tag
>> 9) & 0x8);
2418 ptpd
->word3
|= 1 << TPD_INS_VL_TAG_SHIFT
;
2419 ptpd
->word2
|= (vlan_tag
& TPD_VLANTAG_MASK
) <<
2423 tso
= atl1_tso(adapter
, skb
, ptpd
);
2425 dev_kfree_skb_any(skb
);
2426 return NETDEV_TX_OK
;
2430 ret_val
= atl1_tx_csum(adapter
, skb
, ptpd
);
2432 dev_kfree_skb_any(skb
);
2433 return NETDEV_TX_OK
;
2437 atl1_tx_map(adapter
, skb
, ptpd
);
2438 atl1_tx_queue(adapter
, count
, ptpd
);
2439 atl1_update_mailbox(adapter
);
2441 return NETDEV_TX_OK
;
2445 * atl1_intr - Interrupt Handler
2446 * @irq: interrupt number
2447 * @data: pointer to a network interface device structure
2448 * @pt_regs: CPU registers structure
2450 static irqreturn_t
atl1_intr(int irq
, void *data
)
2452 struct atl1_adapter
*adapter
= netdev_priv(data
);
2456 status
= adapter
->cmb
.cmb
->int_stats
;
2461 /* clear CMB interrupt status at once */
2462 adapter
->cmb
.cmb
->int_stats
= 0;
2464 if (status
& ISR_GPHY
) /* clear phy status */
2465 atlx_clear_phy_int(adapter
);
2467 /* clear ISR status, and Enable CMB DMA/Disable Interrupt */
2468 iowrite32(status
| ISR_DIS_INT
, adapter
->hw
.hw_addr
+ REG_ISR
);
2470 /* check if SMB intr */
2471 if (status
& ISR_SMB
)
2472 atl1_inc_smb(adapter
);
2474 /* check if PCIE PHY Link down */
2475 if (status
& ISR_PHY_LINKDOWN
) {
2476 if (netif_msg_intr(adapter
))
2477 dev_printk(KERN_DEBUG
, &adapter
->pdev
->dev
,
2478 "pcie phy link down %x\n", status
);
2479 if (netif_running(adapter
->netdev
)) { /* reset MAC */
2480 iowrite32(0, adapter
->hw
.hw_addr
+ REG_IMR
);
2481 schedule_work(&adapter
->pcie_dma_to_rst_task
);
2486 /* check if DMA read/write error ? */
2487 if (status
& (ISR_DMAR_TO_RST
| ISR_DMAW_TO_RST
)) {
2488 if (netif_msg_intr(adapter
))
2489 dev_printk(KERN_DEBUG
, &adapter
->pdev
->dev
,
2490 "pcie DMA r/w error (status = 0x%x)\n",
2492 iowrite32(0, adapter
->hw
.hw_addr
+ REG_IMR
);
2493 schedule_work(&adapter
->pcie_dma_to_rst_task
);
2498 if (status
& ISR_GPHY
) {
2499 adapter
->soft_stats
.tx_carrier_errors
++;
2500 atl1_check_for_link(adapter
);
2503 /* transmit event */
2504 if (status
& ISR_CMB_TX
)
2505 atl1_intr_tx(adapter
);
2508 if (unlikely(status
& (ISR_RXF_OV
| ISR_RFD_UNRUN
|
2509 ISR_RRD_OV
| ISR_HOST_RFD_UNRUN
|
2510 ISR_HOST_RRD_OV
| ISR_CMB_RX
))) {
2511 if (status
& (ISR_RXF_OV
| ISR_RFD_UNRUN
|
2512 ISR_RRD_OV
| ISR_HOST_RFD_UNRUN
|
2514 if (netif_msg_intr(adapter
))
2515 dev_printk(KERN_DEBUG
,
2516 &adapter
->pdev
->dev
,
2517 "rx exception, ISR = 0x%x\n",
2519 atl1_intr_rx(adapter
);
2525 } while ((status
= adapter
->cmb
.cmb
->int_stats
));
2527 /* re-enable Interrupt */
2528 iowrite32(ISR_DIS_SMB
| ISR_DIS_DMA
, adapter
->hw
.hw_addr
+ REG_ISR
);
2534 * atl1_phy_config - Timer Call-back
2535 * @data: pointer to netdev cast into an unsigned long
2537 static void atl1_phy_config(unsigned long data
)
2539 struct atl1_adapter
*adapter
= (struct atl1_adapter
*)data
;
2540 struct atl1_hw
*hw
= &adapter
->hw
;
2541 unsigned long flags
;
2543 spin_lock_irqsave(&adapter
->lock
, flags
);
2544 adapter
->phy_timer_pending
= false;
2545 atl1_write_phy_reg(hw
, MII_ADVERTISE
, hw
->mii_autoneg_adv_reg
);
2546 atl1_write_phy_reg(hw
, MII_ATLX_CR
, hw
->mii_1000t_ctrl_reg
);
2547 atl1_write_phy_reg(hw
, MII_BMCR
, MII_CR_RESET
| MII_CR_AUTO_NEG_EN
);
2548 spin_unlock_irqrestore(&adapter
->lock
, flags
);
2552 * Orphaned vendor comment left intact here:
2554 * If TPD Buffer size equal to 0, PCIE DMAR_TO_INT
2555 * will assert. We do soft reset <0x1400=1> according
2556 * with the SPEC. BUT, it seemes that PCIE or DMA
2557 * state-machine will not be reset. DMAR_TO_INT will
2558 * assert again and again.
2562 static int atl1_reset(struct atl1_adapter
*adapter
)
2565 ret
= atl1_reset_hw(&adapter
->hw
);
2568 return atl1_init_hw(&adapter
->hw
);
2571 static s32
atl1_up(struct atl1_adapter
*adapter
)
2573 struct net_device
*netdev
= adapter
->netdev
;
2577 /* hardware has been reset, we need to reload some things */
2578 atlx_set_multi(netdev
);
2579 atl1_init_ring_ptrs(adapter
);
2580 atlx_restore_vlan(adapter
);
2581 err
= atl1_alloc_rx_buffers(adapter
);
2583 /* no RX BUFFER allocated */
2586 if (unlikely(atl1_configure(adapter
))) {
2591 err
= pci_enable_msi(adapter
->pdev
);
2593 if (netif_msg_ifup(adapter
))
2594 dev_info(&adapter
->pdev
->dev
,
2595 "Unable to enable MSI: %d\n", err
);
2596 irq_flags
|= IRQF_SHARED
;
2599 err
= request_irq(adapter
->pdev
->irq
, atl1_intr
, irq_flags
,
2600 netdev
->name
, netdev
);
2604 atlx_irq_enable(adapter
);
2605 atl1_check_link(adapter
);
2606 netif_start_queue(netdev
);
2610 pci_disable_msi(adapter
->pdev
);
2611 /* free rx_buffers */
2612 atl1_clean_rx_ring(adapter
);
2616 static void atl1_down(struct atl1_adapter
*adapter
)
2618 struct net_device
*netdev
= adapter
->netdev
;
2620 netif_stop_queue(netdev
);
2621 del_timer_sync(&adapter
->phy_config_timer
);
2622 adapter
->phy_timer_pending
= false;
2624 atlx_irq_disable(adapter
);
2625 free_irq(adapter
->pdev
->irq
, netdev
);
2626 pci_disable_msi(adapter
->pdev
);
2627 atl1_reset_hw(&adapter
->hw
);
2628 adapter
->cmb
.cmb
->int_stats
= 0;
2630 adapter
->link_speed
= SPEED_0
;
2631 adapter
->link_duplex
= -1;
2632 netif_carrier_off(netdev
);
2634 atl1_clean_tx_ring(adapter
);
2635 atl1_clean_rx_ring(adapter
);
2638 static void atl1_tx_timeout_task(struct work_struct
*work
)
2640 struct atl1_adapter
*adapter
=
2641 container_of(work
, struct atl1_adapter
, tx_timeout_task
);
2642 struct net_device
*netdev
= adapter
->netdev
;
2644 netif_device_detach(netdev
);
2647 netif_device_attach(netdev
);
2651 * atl1_change_mtu - Change the Maximum Transfer Unit
2652 * @netdev: network interface device structure
2653 * @new_mtu: new value for maximum frame size
2655 * Returns 0 on success, negative on failure
2657 static int atl1_change_mtu(struct net_device
*netdev
, int new_mtu
)
2659 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
2660 int old_mtu
= netdev
->mtu
;
2661 int max_frame
= new_mtu
+ ETH_HLEN
+ ETH_FCS_LEN
+ VLAN_HLEN
;
2663 if ((max_frame
< ETH_ZLEN
+ ETH_FCS_LEN
) ||
2664 (max_frame
> MAX_JUMBO_FRAME_SIZE
)) {
2665 if (netif_msg_link(adapter
))
2666 dev_warn(&adapter
->pdev
->dev
, "invalid MTU setting\n");
2670 adapter
->hw
.max_frame_size
= max_frame
;
2671 adapter
->hw
.tx_jumbo_task_th
= (max_frame
+ 7) >> 3;
2672 adapter
->rx_buffer_len
= (max_frame
+ 7) & ~7;
2673 adapter
->hw
.rx_jumbo_th
= adapter
->rx_buffer_len
/ 8;
2675 netdev
->mtu
= new_mtu
;
2676 if ((old_mtu
!= new_mtu
) && netif_running(netdev
)) {
2685 * atl1_open - Called when a network interface is made active
2686 * @netdev: network interface device structure
2688 * Returns 0 on success, negative value on failure
2690 * The open entry point is called when a network interface is made
2691 * active by the system (IFF_UP). At this point all resources needed
2692 * for transmit and receive operations are allocated, the interrupt
2693 * handler is registered with the OS, the watchdog timer is started,
2694 * and the stack is notified that the interface is ready.
2696 static int atl1_open(struct net_device
*netdev
)
2698 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
2701 netif_carrier_off(netdev
);
2703 /* allocate transmit descriptors */
2704 err
= atl1_setup_ring_resources(adapter
);
2708 err
= atl1_up(adapter
);
2715 atl1_reset(adapter
);
2720 * atl1_close - Disables a network interface
2721 * @netdev: network interface device structure
2723 * Returns 0, this is not allowed to fail
2725 * The close entry point is called when an interface is de-activated
2726 * by the OS. The hardware is still under the drivers control, but
2727 * needs to be disabled. A global MAC reset is issued to stop the
2728 * hardware, and all transmit and receive resources are freed.
2730 static int atl1_close(struct net_device
*netdev
)
2732 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
2734 atl1_free_ring_resources(adapter
);
2739 static int atl1_suspend(struct device
*dev
)
2741 struct pci_dev
*pdev
= to_pci_dev(dev
);
2742 struct net_device
*netdev
= pci_get_drvdata(pdev
);
2743 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
2744 struct atl1_hw
*hw
= &adapter
->hw
;
2746 u32 wufc
= adapter
->wol
;
2751 netif_device_detach(netdev
);
2752 if (netif_running(netdev
))
2755 atl1_read_phy_reg(hw
, MII_BMSR
, (u16
*) & ctrl
);
2756 atl1_read_phy_reg(hw
, MII_BMSR
, (u16
*) & ctrl
);
2757 val
= ctrl
& BMSR_LSTATUS
;
2759 wufc
&= ~ATLX_WUFC_LNKC
;
2764 val
= atl1_get_speed_and_duplex(hw
, &speed
, &duplex
);
2766 if (netif_msg_ifdown(adapter
))
2767 dev_printk(KERN_DEBUG
, &pdev
->dev
,
2768 "error getting speed/duplex\n");
2774 /* enable magic packet WOL */
2775 if (wufc
& ATLX_WUFC_MAG
)
2776 ctrl
|= (WOL_MAGIC_EN
| WOL_MAGIC_PME_EN
);
2777 iowrite32(ctrl
, hw
->hw_addr
+ REG_WOL_CTRL
);
2778 ioread32(hw
->hw_addr
+ REG_WOL_CTRL
);
2780 /* configure the mac */
2781 ctrl
= MAC_CTRL_RX_EN
;
2782 ctrl
|= ((u32
)((speed
== SPEED_1000
) ? MAC_CTRL_SPEED_1000
:
2783 MAC_CTRL_SPEED_10_100
) << MAC_CTRL_SPEED_SHIFT
);
2784 if (duplex
== FULL_DUPLEX
)
2785 ctrl
|= MAC_CTRL_DUPLX
;
2786 ctrl
|= (((u32
)adapter
->hw
.preamble_len
&
2787 MAC_CTRL_PRMLEN_MASK
) << MAC_CTRL_PRMLEN_SHIFT
);
2789 ctrl
|= MAC_CTRL_RMV_VLAN
;
2790 if (wufc
& ATLX_WUFC_MAG
)
2791 ctrl
|= MAC_CTRL_BC_EN
;
2792 iowrite32(ctrl
, hw
->hw_addr
+ REG_MAC_CTRL
);
2793 ioread32(hw
->hw_addr
+ REG_MAC_CTRL
);
2796 ctrl
= ioread32(hw
->hw_addr
+ REG_PCIE_PHYMISC
);
2797 ctrl
|= PCIE_PHYMISC_FORCE_RCV_DET
;
2798 iowrite32(ctrl
, hw
->hw_addr
+ REG_PCIE_PHYMISC
);
2799 ioread32(hw
->hw_addr
+ REG_PCIE_PHYMISC
);
2801 ctrl
|= (WOL_LINK_CHG_EN
| WOL_LINK_CHG_PME_EN
);
2802 iowrite32(ctrl
, hw
->hw_addr
+ REG_WOL_CTRL
);
2803 ioread32(hw
->hw_addr
+ REG_WOL_CTRL
);
2804 iowrite32(0, hw
->hw_addr
+ REG_MAC_CTRL
);
2805 ioread32(hw
->hw_addr
+ REG_MAC_CTRL
);
2806 hw
->phy_configured
= false;
2812 iowrite32(0, hw
->hw_addr
+ REG_WOL_CTRL
);
2813 ioread32(hw
->hw_addr
+ REG_WOL_CTRL
);
2814 ctrl
= ioread32(hw
->hw_addr
+ REG_PCIE_PHYMISC
);
2815 ctrl
|= PCIE_PHYMISC_FORCE_RCV_DET
;
2816 iowrite32(ctrl
, hw
->hw_addr
+ REG_PCIE_PHYMISC
);
2817 ioread32(hw
->hw_addr
+ REG_PCIE_PHYMISC
);
2818 hw
->phy_configured
= false;
2823 static int atl1_resume(struct device
*dev
)
2825 struct pci_dev
*pdev
= to_pci_dev(dev
);
2826 struct net_device
*netdev
= pci_get_drvdata(pdev
);
2827 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
2829 iowrite32(0, adapter
->hw
.hw_addr
+ REG_WOL_CTRL
);
2831 atl1_reset_hw(&adapter
->hw
);
2833 if (netif_running(netdev
)) {
2834 adapter
->cmb
.cmb
->int_stats
= 0;
2837 netif_device_attach(netdev
);
2842 static SIMPLE_DEV_PM_OPS(atl1_pm_ops
, atl1_suspend
, atl1_resume
);
2843 #define ATL1_PM_OPS (&atl1_pm_ops)
2847 static int atl1_suspend(struct device
*dev
) { return 0; }
2849 #define ATL1_PM_OPS NULL
2852 static void atl1_shutdown(struct pci_dev
*pdev
)
2854 struct net_device
*netdev
= pci_get_drvdata(pdev
);
2855 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
2857 atl1_suspend(&pdev
->dev
);
2858 pci_wake_from_d3(pdev
, adapter
->wol
);
2859 pci_set_power_state(pdev
, PCI_D3hot
);
2862 #ifdef CONFIG_NET_POLL_CONTROLLER
2863 static void atl1_poll_controller(struct net_device
*netdev
)
2865 disable_irq(netdev
->irq
);
2866 atl1_intr(netdev
->irq
, netdev
);
2867 enable_irq(netdev
->irq
);
2871 static const struct net_device_ops atl1_netdev_ops
= {
2872 .ndo_open
= atl1_open
,
2873 .ndo_stop
= atl1_close
,
2874 .ndo_start_xmit
= atl1_xmit_frame
,
2875 .ndo_set_multicast_list
= atlx_set_multi
,
2876 .ndo_validate_addr
= eth_validate_addr
,
2877 .ndo_set_mac_address
= atl1_set_mac
,
2878 .ndo_change_mtu
= atl1_change_mtu
,
2879 .ndo_do_ioctl
= atlx_ioctl
,
2880 .ndo_tx_timeout
= atlx_tx_timeout
,
2881 .ndo_vlan_rx_register
= atlx_vlan_rx_register
,
2882 #ifdef CONFIG_NET_POLL_CONTROLLER
2883 .ndo_poll_controller
= atl1_poll_controller
,
2888 * atl1_probe - Device Initialization Routine
2889 * @pdev: PCI device information struct
2890 * @ent: entry in atl1_pci_tbl
2892 * Returns 0 on success, negative on failure
2894 * atl1_probe initializes an adapter identified by a pci_dev structure.
2895 * The OS initialization, configuring of the adapter private structure,
2896 * and a hardware reset occur.
2898 static int __devinit
atl1_probe(struct pci_dev
*pdev
,
2899 const struct pci_device_id
*ent
)
2901 struct net_device
*netdev
;
2902 struct atl1_adapter
*adapter
;
2903 static int cards_found
= 0;
2906 err
= pci_enable_device(pdev
);
2911 * The atl1 chip can DMA to 64-bit addresses, but it uses a single
2912 * shared register for the high 32 bits, so only a single, aligned,
2913 * 4 GB physical address range can be used at a time.
2915 * Supporting 64-bit DMA on this hardware is more trouble than it's
2916 * worth. It is far easier to limit to 32-bit DMA than update
2917 * various kernel subsystems to support the mechanics required by a
2918 * fixed-high-32-bit system.
2920 err
= pci_set_dma_mask(pdev
, DMA_BIT_MASK(32));
2922 dev_err(&pdev
->dev
, "no usable DMA configuration\n");
2926 * Mark all PCI regions associated with PCI device
2927 * pdev as being reserved by owner atl1_driver_name
2929 err
= pci_request_regions(pdev
, ATLX_DRIVER_NAME
);
2931 goto err_request_regions
;
2934 * Enables bus-mastering on the device and calls
2935 * pcibios_set_master to do the needed arch specific settings
2937 pci_set_master(pdev
);
2939 netdev
= alloc_etherdev(sizeof(struct atl1_adapter
));
2942 goto err_alloc_etherdev
;
2944 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
2946 pci_set_drvdata(pdev
, netdev
);
2947 adapter
= netdev_priv(netdev
);
2948 adapter
->netdev
= netdev
;
2949 adapter
->pdev
= pdev
;
2950 adapter
->hw
.back
= adapter
;
2951 adapter
->msg_enable
= netif_msg_init(debug
, atl1_default_msg
);
2953 adapter
->hw
.hw_addr
= pci_iomap(pdev
, 0, 0);
2954 if (!adapter
->hw
.hw_addr
) {
2958 /* get device revision number */
2959 adapter
->hw
.dev_rev
= ioread16(adapter
->hw
.hw_addr
+
2960 (REG_MASTER_CTRL
+ 2));
2961 if (netif_msg_probe(adapter
))
2962 dev_info(&pdev
->dev
, "version %s\n", ATLX_DRIVER_VERSION
);
2964 /* set default ring resource counts */
2965 adapter
->rfd_ring
.count
= adapter
->rrd_ring
.count
= ATL1_DEFAULT_RFD
;
2966 adapter
->tpd_ring
.count
= ATL1_DEFAULT_TPD
;
2968 adapter
->mii
.dev
= netdev
;
2969 adapter
->mii
.mdio_read
= mdio_read
;
2970 adapter
->mii
.mdio_write
= mdio_write
;
2971 adapter
->mii
.phy_id_mask
= 0x1f;
2972 adapter
->mii
.reg_num_mask
= 0x1f;
2974 netdev
->netdev_ops
= &atl1_netdev_ops
;
2975 netdev
->watchdog_timeo
= 5 * HZ
;
2977 netdev
->ethtool_ops
= &atl1_ethtool_ops
;
2978 adapter
->bd_number
= cards_found
;
2980 /* setup the private structure */
2981 err
= atl1_sw_init(adapter
);
2985 netdev
->features
= NETIF_F_HW_CSUM
;
2986 netdev
->features
|= NETIF_F_SG
;
2987 netdev
->features
|= (NETIF_F_HW_VLAN_TX
| NETIF_F_HW_VLAN_RX
);
2990 * patch for some L1 of old version,
2991 * the final version of L1 may not need these
2994 /* atl1_pcie_patch(adapter); */
2996 /* really reset GPHY core */
2997 iowrite16(0, adapter
->hw
.hw_addr
+ REG_PHY_ENABLE
);
3000 * reset the controller to
3001 * put the device in a known good starting state
3003 if (atl1_reset_hw(&adapter
->hw
)) {
3008 /* copy the MAC address out of the EEPROM */
3009 atl1_read_mac_addr(&adapter
->hw
);
3010 memcpy(netdev
->dev_addr
, adapter
->hw
.mac_addr
, netdev
->addr_len
);
3012 if (!is_valid_ether_addr(netdev
->dev_addr
)) {
3017 atl1_check_options(adapter
);
3019 /* pre-init the MAC, and setup link */
3020 err
= atl1_init_hw(&adapter
->hw
);
3026 atl1_pcie_patch(adapter
);
3027 /* assume we have no link for now */
3028 netif_carrier_off(netdev
);
3030 setup_timer(&adapter
->phy_config_timer
, atl1_phy_config
,
3031 (unsigned long)adapter
);
3032 adapter
->phy_timer_pending
= false;
3034 INIT_WORK(&adapter
->tx_timeout_task
, atl1_tx_timeout_task
);
3036 INIT_WORK(&adapter
->link_chg_task
, atlx_link_chg_task
);
3038 INIT_WORK(&adapter
->pcie_dma_to_rst_task
, atl1_tx_timeout_task
);
3040 err
= register_netdev(netdev
);
3045 atl1_via_workaround(adapter
);
3049 pci_iounmap(pdev
, adapter
->hw
.hw_addr
);
3051 free_netdev(netdev
);
3053 pci_release_regions(pdev
);
3055 err_request_regions
:
3056 pci_disable_device(pdev
);
3061 * atl1_remove - Device Removal Routine
3062 * @pdev: PCI device information struct
3064 * atl1_remove is called by the PCI subsystem to alert the driver
3065 * that it should release a PCI device. The could be caused by a
3066 * Hot-Plug event, or because the driver is going to be removed from
3069 static void __devexit
atl1_remove(struct pci_dev
*pdev
)
3071 struct net_device
*netdev
= pci_get_drvdata(pdev
);
3072 struct atl1_adapter
*adapter
;
3073 /* Device not available. Return. */
3077 adapter
= netdev_priv(netdev
);
3080 * Some atl1 boards lack persistent storage for their MAC, and get it
3081 * from the BIOS during POST. If we've been messing with the MAC
3082 * address, we need to save the permanent one.
3084 if (memcmp(adapter
->hw
.mac_addr
, adapter
->hw
.perm_mac_addr
, ETH_ALEN
)) {
3085 memcpy(adapter
->hw
.mac_addr
, adapter
->hw
.perm_mac_addr
,
3087 atl1_set_mac_addr(&adapter
->hw
);
3090 iowrite16(0, adapter
->hw
.hw_addr
+ REG_PHY_ENABLE
);
3091 unregister_netdev(netdev
);
3092 pci_iounmap(pdev
, adapter
->hw
.hw_addr
);
3093 pci_release_regions(pdev
);
3094 free_netdev(netdev
);
3095 pci_disable_device(pdev
);
3098 static struct pci_driver atl1_driver
= {
3099 .name
= ATLX_DRIVER_NAME
,
3100 .id_table
= atl1_pci_tbl
,
3101 .probe
= atl1_probe
,
3102 .remove
= __devexit_p(atl1_remove
),
3103 .shutdown
= atl1_shutdown
,
3104 .driver
.pm
= ATL1_PM_OPS
,
3108 * atl1_exit_module - Driver Exit Cleanup Routine
3110 * atl1_exit_module is called just before the driver is removed
3113 static void __exit
atl1_exit_module(void)
3115 pci_unregister_driver(&atl1_driver
);
3119 * atl1_init_module - Driver Registration Routine
3121 * atl1_init_module is the first routine called when the driver is
3122 * loaded. All it does is register with the PCI subsystem.
3124 static int __init
atl1_init_module(void)
3126 return pci_register_driver(&atl1_driver
);
3129 module_init(atl1_init_module
);
3130 module_exit(atl1_exit_module
);
3133 char stat_string
[ETH_GSTRING_LEN
];
3138 #define ATL1_STAT(m) \
3139 sizeof(((struct atl1_adapter *)0)->m), offsetof(struct atl1_adapter, m)
3141 static struct atl1_stats atl1_gstrings_stats
[] = {
3142 {"rx_packets", ATL1_STAT(soft_stats
.rx_packets
)},
3143 {"tx_packets", ATL1_STAT(soft_stats
.tx_packets
)},
3144 {"rx_bytes", ATL1_STAT(soft_stats
.rx_bytes
)},
3145 {"tx_bytes", ATL1_STAT(soft_stats
.tx_bytes
)},
3146 {"rx_errors", ATL1_STAT(soft_stats
.rx_errors
)},
3147 {"tx_errors", ATL1_STAT(soft_stats
.tx_errors
)},
3148 {"multicast", ATL1_STAT(soft_stats
.multicast
)},
3149 {"collisions", ATL1_STAT(soft_stats
.collisions
)},
3150 {"rx_length_errors", ATL1_STAT(soft_stats
.rx_length_errors
)},
3151 {"rx_over_errors", ATL1_STAT(soft_stats
.rx_missed_errors
)},
3152 {"rx_crc_errors", ATL1_STAT(soft_stats
.rx_crc_errors
)},
3153 {"rx_frame_errors", ATL1_STAT(soft_stats
.rx_frame_errors
)},
3154 {"rx_fifo_errors", ATL1_STAT(soft_stats
.rx_fifo_errors
)},
3155 {"rx_missed_errors", ATL1_STAT(soft_stats
.rx_missed_errors
)},
3156 {"tx_aborted_errors", ATL1_STAT(soft_stats
.tx_aborted_errors
)},
3157 {"tx_carrier_errors", ATL1_STAT(soft_stats
.tx_carrier_errors
)},
3158 {"tx_fifo_errors", ATL1_STAT(soft_stats
.tx_fifo_errors
)},
3159 {"tx_window_errors", ATL1_STAT(soft_stats
.tx_window_errors
)},
3160 {"tx_abort_exce_coll", ATL1_STAT(soft_stats
.excecol
)},
3161 {"tx_abort_late_coll", ATL1_STAT(soft_stats
.latecol
)},
3162 {"tx_deferred_ok", ATL1_STAT(soft_stats
.deffer
)},
3163 {"tx_single_coll_ok", ATL1_STAT(soft_stats
.scc
)},
3164 {"tx_multi_coll_ok", ATL1_STAT(soft_stats
.mcc
)},
3165 {"tx_underun", ATL1_STAT(soft_stats
.tx_underun
)},
3166 {"tx_trunc", ATL1_STAT(soft_stats
.tx_trunc
)},
3167 {"tx_pause", ATL1_STAT(soft_stats
.tx_pause
)},
3168 {"rx_pause", ATL1_STAT(soft_stats
.rx_pause
)},
3169 {"rx_rrd_ov", ATL1_STAT(soft_stats
.rx_rrd_ov
)},
3170 {"rx_trunc", ATL1_STAT(soft_stats
.rx_trunc
)}
3173 static void atl1_get_ethtool_stats(struct net_device
*netdev
,
3174 struct ethtool_stats
*stats
, u64
*data
)
3176 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3180 for (i
= 0; i
< ARRAY_SIZE(atl1_gstrings_stats
); i
++) {
3181 p
= (char *)adapter
+atl1_gstrings_stats
[i
].stat_offset
;
3182 data
[i
] = (atl1_gstrings_stats
[i
].sizeof_stat
==
3183 sizeof(u64
)) ? *(u64
*)p
: *(u32
*)p
;
3188 static int atl1_get_sset_count(struct net_device
*netdev
, int sset
)
3192 return ARRAY_SIZE(atl1_gstrings_stats
);
3198 static int atl1_get_settings(struct net_device
*netdev
,
3199 struct ethtool_cmd
*ecmd
)
3201 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3202 struct atl1_hw
*hw
= &adapter
->hw
;
3204 ecmd
->supported
= (SUPPORTED_10baseT_Half
|
3205 SUPPORTED_10baseT_Full
|
3206 SUPPORTED_100baseT_Half
|
3207 SUPPORTED_100baseT_Full
|
3208 SUPPORTED_1000baseT_Full
|
3209 SUPPORTED_Autoneg
| SUPPORTED_TP
);
3210 ecmd
->advertising
= ADVERTISED_TP
;
3211 if (hw
->media_type
== MEDIA_TYPE_AUTO_SENSOR
||
3212 hw
->media_type
== MEDIA_TYPE_1000M_FULL
) {
3213 ecmd
->advertising
|= ADVERTISED_Autoneg
;
3214 if (hw
->media_type
== MEDIA_TYPE_AUTO_SENSOR
) {
3215 ecmd
->advertising
|= ADVERTISED_Autoneg
;
3216 ecmd
->advertising
|=
3217 (ADVERTISED_10baseT_Half
|
3218 ADVERTISED_10baseT_Full
|
3219 ADVERTISED_100baseT_Half
|
3220 ADVERTISED_100baseT_Full
|
3221 ADVERTISED_1000baseT_Full
);
3223 ecmd
->advertising
|= (ADVERTISED_1000baseT_Full
);
3225 ecmd
->port
= PORT_TP
;
3226 ecmd
->phy_address
= 0;
3227 ecmd
->transceiver
= XCVR_INTERNAL
;
3229 if (netif_carrier_ok(adapter
->netdev
)) {
3230 u16 link_speed
, link_duplex
;
3231 atl1_get_speed_and_duplex(hw
, &link_speed
, &link_duplex
);
3232 ecmd
->speed
= link_speed
;
3233 if (link_duplex
== FULL_DUPLEX
)
3234 ecmd
->duplex
= DUPLEX_FULL
;
3236 ecmd
->duplex
= DUPLEX_HALF
;
3241 if (hw
->media_type
== MEDIA_TYPE_AUTO_SENSOR
||
3242 hw
->media_type
== MEDIA_TYPE_1000M_FULL
)
3243 ecmd
->autoneg
= AUTONEG_ENABLE
;
3245 ecmd
->autoneg
= AUTONEG_DISABLE
;
3250 static int atl1_set_settings(struct net_device
*netdev
,
3251 struct ethtool_cmd
*ecmd
)
3253 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3254 struct atl1_hw
*hw
= &adapter
->hw
;
3257 u16 old_media_type
= hw
->media_type
;
3259 if (netif_running(adapter
->netdev
)) {
3260 if (netif_msg_link(adapter
))
3261 dev_dbg(&adapter
->pdev
->dev
,
3262 "ethtool shutting down adapter\n");
3266 if (ecmd
->autoneg
== AUTONEG_ENABLE
)
3267 hw
->media_type
= MEDIA_TYPE_AUTO_SENSOR
;
3269 if (ecmd
->speed
== SPEED_1000
) {
3270 if (ecmd
->duplex
!= DUPLEX_FULL
) {
3271 if (netif_msg_link(adapter
))
3272 dev_warn(&adapter
->pdev
->dev
,
3273 "1000M half is invalid\n");
3277 hw
->media_type
= MEDIA_TYPE_1000M_FULL
;
3278 } else if (ecmd
->speed
== SPEED_100
) {
3279 if (ecmd
->duplex
== DUPLEX_FULL
)
3280 hw
->media_type
= MEDIA_TYPE_100M_FULL
;
3282 hw
->media_type
= MEDIA_TYPE_100M_HALF
;
3284 if (ecmd
->duplex
== DUPLEX_FULL
)
3285 hw
->media_type
= MEDIA_TYPE_10M_FULL
;
3287 hw
->media_type
= MEDIA_TYPE_10M_HALF
;
3290 switch (hw
->media_type
) {
3291 case MEDIA_TYPE_AUTO_SENSOR
:
3293 ADVERTISED_10baseT_Half
|
3294 ADVERTISED_10baseT_Full
|
3295 ADVERTISED_100baseT_Half
|
3296 ADVERTISED_100baseT_Full
|
3297 ADVERTISED_1000baseT_Full
|
3298 ADVERTISED_Autoneg
| ADVERTISED_TP
;
3300 case MEDIA_TYPE_1000M_FULL
:
3302 ADVERTISED_1000baseT_Full
|
3303 ADVERTISED_Autoneg
| ADVERTISED_TP
;
3306 ecmd
->advertising
= 0;
3309 if (atl1_phy_setup_autoneg_adv(hw
)) {
3311 if (netif_msg_link(adapter
))
3312 dev_warn(&adapter
->pdev
->dev
,
3313 "invalid ethtool speed/duplex setting\n");
3316 if (hw
->media_type
== MEDIA_TYPE_AUTO_SENSOR
||
3317 hw
->media_type
== MEDIA_TYPE_1000M_FULL
)
3318 phy_data
= MII_CR_RESET
| MII_CR_AUTO_NEG_EN
;
3320 switch (hw
->media_type
) {
3321 case MEDIA_TYPE_100M_FULL
:
3323 MII_CR_FULL_DUPLEX
| MII_CR_SPEED_100
|
3326 case MEDIA_TYPE_100M_HALF
:
3327 phy_data
= MII_CR_SPEED_100
| MII_CR_RESET
;
3329 case MEDIA_TYPE_10M_FULL
:
3331 MII_CR_FULL_DUPLEX
| MII_CR_SPEED_10
| MII_CR_RESET
;
3334 /* MEDIA_TYPE_10M_HALF: */
3335 phy_data
= MII_CR_SPEED_10
| MII_CR_RESET
;
3339 atl1_write_phy_reg(hw
, MII_BMCR
, phy_data
);
3342 hw
->media_type
= old_media_type
;
3344 if (netif_running(adapter
->netdev
)) {
3345 if (netif_msg_link(adapter
))
3346 dev_dbg(&adapter
->pdev
->dev
,
3347 "ethtool starting adapter\n");
3349 } else if (!ret_val
) {
3350 if (netif_msg_link(adapter
))
3351 dev_dbg(&adapter
->pdev
->dev
,
3352 "ethtool resetting adapter\n");
3353 atl1_reset(adapter
);
3358 static void atl1_get_drvinfo(struct net_device
*netdev
,
3359 struct ethtool_drvinfo
*drvinfo
)
3361 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3363 strlcpy(drvinfo
->driver
, ATLX_DRIVER_NAME
, sizeof(drvinfo
->driver
));
3364 strlcpy(drvinfo
->version
, ATLX_DRIVER_VERSION
,
3365 sizeof(drvinfo
->version
));
3366 strlcpy(drvinfo
->fw_version
, "N/A", sizeof(drvinfo
->fw_version
));
3367 strlcpy(drvinfo
->bus_info
, pci_name(adapter
->pdev
),
3368 sizeof(drvinfo
->bus_info
));
3369 drvinfo
->eedump_len
= ATL1_EEDUMP_LEN
;
3372 static void atl1_get_wol(struct net_device
*netdev
,
3373 struct ethtool_wolinfo
*wol
)
3375 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3377 wol
->supported
= WAKE_MAGIC
;
3379 if (adapter
->wol
& ATLX_WUFC_MAG
)
3380 wol
->wolopts
|= WAKE_MAGIC
;
3383 static int atl1_set_wol(struct net_device
*netdev
,
3384 struct ethtool_wolinfo
*wol
)
3386 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3388 if (wol
->wolopts
& (WAKE_PHY
| WAKE_UCAST
| WAKE_MCAST
| WAKE_BCAST
|
3389 WAKE_ARP
| WAKE_MAGICSECURE
))
3392 if (wol
->wolopts
& WAKE_MAGIC
)
3393 adapter
->wol
|= ATLX_WUFC_MAG
;
3395 device_set_wakeup_enable(&adapter
->pdev
->dev
, adapter
->wol
);
3400 static u32
atl1_get_msglevel(struct net_device
*netdev
)
3402 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3403 return adapter
->msg_enable
;
3406 static void atl1_set_msglevel(struct net_device
*netdev
, u32 value
)
3408 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3409 adapter
->msg_enable
= value
;
3412 static int atl1_get_regs_len(struct net_device
*netdev
)
3414 return ATL1_REG_COUNT
* sizeof(u32
);
3417 static void atl1_get_regs(struct net_device
*netdev
, struct ethtool_regs
*regs
,
3420 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3421 struct atl1_hw
*hw
= &adapter
->hw
;
3425 for (i
= 0; i
< ATL1_REG_COUNT
; i
++) {
3427 * This switch statement avoids reserved regions
3428 * of register space.
3453 /* reserved region; don't read it */
3457 /* unreserved region */
3458 regbuf
[i
] = ioread32(hw
->hw_addr
+ (i
* sizeof(u32
)));
3463 static void atl1_get_ringparam(struct net_device
*netdev
,
3464 struct ethtool_ringparam
*ring
)
3466 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3467 struct atl1_tpd_ring
*txdr
= &adapter
->tpd_ring
;
3468 struct atl1_rfd_ring
*rxdr
= &adapter
->rfd_ring
;
3470 ring
->rx_max_pending
= ATL1_MAX_RFD
;
3471 ring
->tx_max_pending
= ATL1_MAX_TPD
;
3472 ring
->rx_mini_max_pending
= 0;
3473 ring
->rx_jumbo_max_pending
= 0;
3474 ring
->rx_pending
= rxdr
->count
;
3475 ring
->tx_pending
= txdr
->count
;
3476 ring
->rx_mini_pending
= 0;
3477 ring
->rx_jumbo_pending
= 0;
3480 static int atl1_set_ringparam(struct net_device
*netdev
,
3481 struct ethtool_ringparam
*ring
)
3483 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3484 struct atl1_tpd_ring
*tpdr
= &adapter
->tpd_ring
;
3485 struct atl1_rrd_ring
*rrdr
= &adapter
->rrd_ring
;
3486 struct atl1_rfd_ring
*rfdr
= &adapter
->rfd_ring
;
3488 struct atl1_tpd_ring tpd_old
, tpd_new
;
3489 struct atl1_rfd_ring rfd_old
, rfd_new
;
3490 struct atl1_rrd_ring rrd_old
, rrd_new
;
3491 struct atl1_ring_header rhdr_old
, rhdr_new
;
3492 struct atl1_smb smb
;
3493 struct atl1_cmb cmb
;
3496 tpd_old
= adapter
->tpd_ring
;
3497 rfd_old
= adapter
->rfd_ring
;
3498 rrd_old
= adapter
->rrd_ring
;
3499 rhdr_old
= adapter
->ring_header
;
3501 if (netif_running(adapter
->netdev
))
3504 rfdr
->count
= (u16
) max(ring
->rx_pending
, (u32
) ATL1_MIN_RFD
);
3505 rfdr
->count
= rfdr
->count
> ATL1_MAX_RFD
? ATL1_MAX_RFD
:
3507 rfdr
->count
= (rfdr
->count
+ 3) & ~3;
3508 rrdr
->count
= rfdr
->count
;
3510 tpdr
->count
= (u16
) max(ring
->tx_pending
, (u32
) ATL1_MIN_TPD
);
3511 tpdr
->count
= tpdr
->count
> ATL1_MAX_TPD
? ATL1_MAX_TPD
:
3513 tpdr
->count
= (tpdr
->count
+ 3) & ~3;
3515 if (netif_running(adapter
->netdev
)) {
3516 /* try to get new resources before deleting old */
3517 err
= atl1_setup_ring_resources(adapter
);
3519 goto err_setup_ring
;
3522 * save the new, restore the old in order to free it,
3523 * then restore the new back again
3526 rfd_new
= adapter
->rfd_ring
;
3527 rrd_new
= adapter
->rrd_ring
;
3528 tpd_new
= adapter
->tpd_ring
;
3529 rhdr_new
= adapter
->ring_header
;
3530 adapter
->rfd_ring
= rfd_old
;
3531 adapter
->rrd_ring
= rrd_old
;
3532 adapter
->tpd_ring
= tpd_old
;
3533 adapter
->ring_header
= rhdr_old
;
3535 * Save SMB and CMB, since atl1_free_ring_resources
3540 atl1_free_ring_resources(adapter
);
3541 adapter
->rfd_ring
= rfd_new
;
3542 adapter
->rrd_ring
= rrd_new
;
3543 adapter
->tpd_ring
= tpd_new
;
3544 adapter
->ring_header
= rhdr_new
;
3548 err
= atl1_up(adapter
);
3555 adapter
->rfd_ring
= rfd_old
;
3556 adapter
->rrd_ring
= rrd_old
;
3557 adapter
->tpd_ring
= tpd_old
;
3558 adapter
->ring_header
= rhdr_old
;
3563 static void atl1_get_pauseparam(struct net_device
*netdev
,
3564 struct ethtool_pauseparam
*epause
)
3566 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3567 struct atl1_hw
*hw
= &adapter
->hw
;
3569 if (hw
->media_type
== MEDIA_TYPE_AUTO_SENSOR
||
3570 hw
->media_type
== MEDIA_TYPE_1000M_FULL
) {
3571 epause
->autoneg
= AUTONEG_ENABLE
;
3573 epause
->autoneg
= AUTONEG_DISABLE
;
3575 epause
->rx_pause
= 1;
3576 epause
->tx_pause
= 1;
3579 static int atl1_set_pauseparam(struct net_device
*netdev
,
3580 struct ethtool_pauseparam
*epause
)
3582 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3583 struct atl1_hw
*hw
= &adapter
->hw
;
3585 if (hw
->media_type
== MEDIA_TYPE_AUTO_SENSOR
||
3586 hw
->media_type
== MEDIA_TYPE_1000M_FULL
) {
3587 epause
->autoneg
= AUTONEG_ENABLE
;
3589 epause
->autoneg
= AUTONEG_DISABLE
;
3592 epause
->rx_pause
= 1;
3593 epause
->tx_pause
= 1;
3598 /* FIXME: is this right? -- CHS */
3599 static u32
atl1_get_rx_csum(struct net_device
*netdev
)
3604 static void atl1_get_strings(struct net_device
*netdev
, u32 stringset
,
3610 switch (stringset
) {
3612 for (i
= 0; i
< ARRAY_SIZE(atl1_gstrings_stats
); i
++) {
3613 memcpy(p
, atl1_gstrings_stats
[i
].stat_string
,
3615 p
+= ETH_GSTRING_LEN
;
3621 static int atl1_nway_reset(struct net_device
*netdev
)
3623 struct atl1_adapter
*adapter
= netdev_priv(netdev
);
3624 struct atl1_hw
*hw
= &adapter
->hw
;
3626 if (netif_running(netdev
)) {
3630 if (hw
->media_type
== MEDIA_TYPE_AUTO_SENSOR
||
3631 hw
->media_type
== MEDIA_TYPE_1000M_FULL
) {
3632 phy_data
= MII_CR_RESET
| MII_CR_AUTO_NEG_EN
;
3634 switch (hw
->media_type
) {
3635 case MEDIA_TYPE_100M_FULL
:
3636 phy_data
= MII_CR_FULL_DUPLEX
|
3637 MII_CR_SPEED_100
| MII_CR_RESET
;
3639 case MEDIA_TYPE_100M_HALF
:
3640 phy_data
= MII_CR_SPEED_100
| MII_CR_RESET
;
3642 case MEDIA_TYPE_10M_FULL
:
3643 phy_data
= MII_CR_FULL_DUPLEX
|
3644 MII_CR_SPEED_10
| MII_CR_RESET
;
3647 /* MEDIA_TYPE_10M_HALF */
3648 phy_data
= MII_CR_SPEED_10
| MII_CR_RESET
;
3651 atl1_write_phy_reg(hw
, MII_BMCR
, phy_data
);
3657 static const struct ethtool_ops atl1_ethtool_ops
= {
3658 .get_settings
= atl1_get_settings
,
3659 .set_settings
= atl1_set_settings
,
3660 .get_drvinfo
= atl1_get_drvinfo
,
3661 .get_wol
= atl1_get_wol
,
3662 .set_wol
= atl1_set_wol
,
3663 .get_msglevel
= atl1_get_msglevel
,
3664 .set_msglevel
= atl1_set_msglevel
,
3665 .get_regs_len
= atl1_get_regs_len
,
3666 .get_regs
= atl1_get_regs
,
3667 .get_ringparam
= atl1_get_ringparam
,
3668 .set_ringparam
= atl1_set_ringparam
,
3669 .get_pauseparam
= atl1_get_pauseparam
,
3670 .set_pauseparam
= atl1_set_pauseparam
,
3671 .get_rx_csum
= atl1_get_rx_csum
,
3672 .set_tx_csum
= ethtool_op_set_tx_hw_csum
,
3673 .get_link
= ethtool_op_get_link
,
3674 .set_sg
= ethtool_op_set_sg
,
3675 .get_strings
= atl1_get_strings
,
3676 .nway_reset
= atl1_nway_reset
,
3677 .get_ethtool_stats
= atl1_get_ethtool_stats
,
3678 .get_sset_count
= atl1_get_sset_count
,
3679 .set_tso
= ethtool_op_set_tso
,