2 =========================================================================
3 r8169.c: A RealTek RTL-8169 Gigabit Ethernet driver for Linux kernel 2.4.x.
4 --------------------------------------------------------------------
7 Feb 4 2002 - created initially by ShuChen <shuchen@realtek.com.tw>.
8 May 20 2002 - Add link status force-mode and TBI mode support.
9 2004 - Massive updates. See kernel SCM system for details.
10 =========================================================================
11 1. [DEPRECATED: use ethtool instead] The media can be forced in 5 modes.
12 Command: 'insmod r8169 media = SET_MEDIA'
13 Ex: 'insmod r8169 media = 0x04' will force PHY to operate in 100Mpbs Half-duplex.
23 =========================================================================
24 VERSION 1.1 <2002/10/4>
26 The bit4:0 of MII register 4 is called "selector field", and have to be
27 00001b to indicate support of IEEE std 802.3 during NWay process of
28 exchanging Link Code Word (FLP).
30 VERSION 1.2 <2002/11/30>
33 - Use ether_crc in stock kernel (linux/crc32.h)
34 - Copy mc_filter setup code from 8139cp
35 (includes an optimization, and avoids set_bit use)
37 VERSION 1.6LK <2004/04/14>
39 - Merge of Realtek's version 1.6
40 - Conversion to DMA API
45 VERSION 2.2LK <2005/01/25>
47 - RX csum, TX csum/SG, TSO
49 - baby (< 7200) Jumbo frames support
50 - Merge of Realtek's version 2.2 (new phy)
53 #include <linux/module.h>
54 #include <linux/moduleparam.h>
55 #include <linux/pci.h>
56 #include <linux/netdevice.h>
57 #include <linux/etherdevice.h>
58 #include <linux/delay.h>
59 #include <linux/ethtool.h>
60 #include <linux/mii.h>
61 #include <linux/if_vlan.h>
62 #include <linux/crc32.h>
65 #include <linux/tcp.h>
66 #include <linux/init.h>
67 #include <linux/dma-mapping.h>
72 #ifdef CONFIG_R8169_NAPI
73 #define NAPI_SUFFIX "-NAPI"
75 #define NAPI_SUFFIX ""
78 #define RTL8169_VERSION "2.2LK" NAPI_SUFFIX
79 #define MODULENAME "r8169"
80 #define PFX MODULENAME ": "
83 #define assert(expr) \
85 printk( "Assertion failed! %s,%s,%s,line=%d\n", \
86 #expr,__FILE__,__FUNCTION__,__LINE__); \
88 #define dprintk(fmt, args...) do { printk(PFX fmt, ## args); } while (0)
90 #define assert(expr) do {} while (0)
91 #define dprintk(fmt, args...) do {} while (0)
92 #endif /* RTL8169_DEBUG */
94 #define R8169_MSG_DEFAULT \
95 (NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN)
97 #define TX_BUFFS_AVAIL(tp) \
98 (tp->dirty_tx + NUM_TX_DESC - tp->cur_tx - 1)
100 #ifdef CONFIG_R8169_NAPI
101 #define rtl8169_rx_skb netif_receive_skb
102 #define rtl8169_rx_hwaccel_skb vlan_hwaccel_receive_skb
103 #define rtl8169_rx_quota(count, quota) min(count, quota)
105 #define rtl8169_rx_skb netif_rx
106 #define rtl8169_rx_hwaccel_skb vlan_hwaccel_rx
107 #define rtl8169_rx_quota(count, quota) count
112 static int media
[MAX_UNITS
] = { -1, -1, -1, -1, -1, -1, -1, -1 };
113 static int num_media
= 0;
115 /* Maximum events (Rx packets, etc.) to handle at each interrupt. */
116 static const int max_interrupt_work
= 20;
118 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
119 The RTL chips use a 64 element hash table based on the Ethernet CRC. */
120 static const int multicast_filter_limit
= 32;
122 /* MAC address length */
123 #define MAC_ADDR_LEN 6
125 #define RX_FIFO_THRESH 7 /* 7 means NO threshold, Rx buffer level before first PCI xfer. */
126 #define RX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
127 #define TX_DMA_BURST 6 /* Maximum PCI burst, '6' is 1024 */
128 #define EarlyTxThld 0x3F /* 0x3F means NO early transmit */
129 #define RxPacketMaxSize 0x3FE8 /* 16K - 1 - ETH_HLEN - VLAN - CRC... */
130 #define SafeMtu 0x1c20 /* ... actually life sucks beyond ~7k */
131 #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
133 #define R8169_REGS_SIZE 256
134 #define R8169_NAPI_WEIGHT 64
135 #define NUM_TX_DESC 64 /* Number of Tx descriptor registers */
136 #define NUM_RX_DESC 256 /* Number of Rx descriptor registers */
137 #define RX_BUF_SIZE 1536 /* Rx Buffer size */
138 #define R8169_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
139 #define R8169_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
141 #define RTL8169_TX_TIMEOUT (6*HZ)
142 #define RTL8169_PHY_TIMEOUT (10*HZ)
144 /* write/read MMIO register */
145 #define RTL_W8(reg, val8) writeb ((val8), ioaddr + (reg))
146 #define RTL_W16(reg, val16) writew ((val16), ioaddr + (reg))
147 #define RTL_W32(reg, val32) writel ((val32), ioaddr + (reg))
148 #define RTL_R8(reg) readb (ioaddr + (reg))
149 #define RTL_R16(reg) readw (ioaddr + (reg))
150 #define RTL_R32(reg) ((unsigned long) readl (ioaddr + (reg)))
153 RTL_GIGA_MAC_VER_01
= 0x00,
154 RTL_GIGA_MAC_VER_02
= 0x01,
155 RTL_GIGA_MAC_VER_03
= 0x02,
156 RTL_GIGA_MAC_VER_04
= 0x03,
157 RTL_GIGA_MAC_VER_05
= 0x04,
158 RTL_GIGA_MAC_VER_11
= 0x0b,
159 RTL_GIGA_MAC_VER_12
= 0x0c,
160 RTL_GIGA_MAC_VER_13
= 0x0d,
161 RTL_GIGA_MAC_VER_14
= 0x0e,
162 RTL_GIGA_MAC_VER_15
= 0x0f
166 RTL_GIGA_PHY_VER_C
= 0x03, /* PHY Reg 0x03 bit0-3 == 0x0000 */
167 RTL_GIGA_PHY_VER_D
= 0x04, /* PHY Reg 0x03 bit0-3 == 0x0000 */
168 RTL_GIGA_PHY_VER_E
= 0x05, /* PHY Reg 0x03 bit0-3 == 0x0000 */
169 RTL_GIGA_PHY_VER_F
= 0x06, /* PHY Reg 0x03 bit0-3 == 0x0001 */
170 RTL_GIGA_PHY_VER_G
= 0x07, /* PHY Reg 0x03 bit0-3 == 0x0002 */
171 RTL_GIGA_PHY_VER_H
= 0x08, /* PHY Reg 0x03 bit0-3 == 0x0003 */
174 #define _R(NAME,MAC,MASK) \
175 { .name = NAME, .mac_version = MAC, .RxConfigMask = MASK }
177 static const struct {
180 u32 RxConfigMask
; /* Clears the bits supported by this chip */
181 } rtl_chip_info
[] = {
182 _R("RTL8169", RTL_GIGA_MAC_VER_01
, 0xff7e1880),
183 _R("RTL8169s/8110s", RTL_GIGA_MAC_VER_02
, 0xff7e1880),
184 _R("RTL8169s/8110s", RTL_GIGA_MAC_VER_03
, 0xff7e1880),
185 _R("RTL8169sb/8110sb", RTL_GIGA_MAC_VER_04
, 0xff7e1880),
186 _R("RTL8169sc/8110sc", RTL_GIGA_MAC_VER_05
, 0xff7e1880),
187 _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_11
, 0xff7e1880), // PCI-E
188 _R("RTL8168b/8111b", RTL_GIGA_MAC_VER_12
, 0xff7e1880), // PCI-E
189 _R("RTL8101e", RTL_GIGA_MAC_VER_13
, 0xff7e1880), // PCI-E 8139
190 _R("RTL8100e", RTL_GIGA_MAC_VER_14
, 0xff7e1880), // PCI-E 8139
191 _R("RTL8100e", RTL_GIGA_MAC_VER_15
, 0xff7e1880) // PCI-E 8139
201 static const struct {
205 [RTL_CFG_0
] = { 1, NET_IP_ALIGN
},
206 [RTL_CFG_1
] = { 2, NET_IP_ALIGN
},
207 [RTL_CFG_2
] = { 2, 8 }
210 static struct pci_device_id rtl8169_pci_tbl
[] = {
211 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK
, 0x8129), 0, 0, RTL_CFG_0
},
212 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK
, 0x8136), 0, 0, RTL_CFG_1
},
213 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK
, 0x8167), 0, 0, RTL_CFG_1
},
214 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK
, 0x8168), 0, 0, RTL_CFG_2
},
215 { PCI_DEVICE(PCI_VENDOR_ID_REALTEK
, 0x8169), 0, 0, RTL_CFG_0
},
216 { PCI_DEVICE(PCI_VENDOR_ID_DLINK
, 0x4300), 0, 0, RTL_CFG_0
},
217 { PCI_DEVICE(0x16ec, 0x0116), 0, 0, RTL_CFG_0
},
218 { PCI_VENDOR_ID_LINKSYS
, 0x1032,
219 PCI_ANY_ID
, 0x0024, 0, 0, RTL_CFG_0
},
223 MODULE_DEVICE_TABLE(pci
, rtl8169_pci_tbl
);
225 static int rx_copybreak
= 200;
231 enum RTL8169_registers
{
232 MAC0
= 0, /* Ethernet hardware address. */
233 MAR0
= 8, /* Multicast filter. */
234 CounterAddrLow
= 0x10,
235 CounterAddrHigh
= 0x14,
236 TxDescStartAddrLow
= 0x20,
237 TxDescStartAddrHigh
= 0x24,
238 TxHDescStartAddrLow
= 0x28,
239 TxHDescStartAddrHigh
= 0x2c,
265 RxDescAddrLow
= 0xE4,
266 RxDescAddrHigh
= 0xE8,
269 FuncEventMask
= 0xF4,
270 FuncPresetState
= 0xF8,
271 FuncForceEvent
= 0xFC,
274 enum RTL8169_register_content
{
275 /* InterruptStatusBits */
279 TxDescUnavail
= 0x80,
303 Cfg9346_Unlock
= 0xC0,
308 AcceptBroadcast
= 0x08,
309 AcceptMulticast
= 0x04,
311 AcceptAllPhys
= 0x01,
318 TxInterFrameGapShift
= 24,
319 TxDMAShift
= 8, /* DMA burst value (0-7) is shift this many bits */
321 /* Config1 register p.24 */
322 PMEnable
= (1 << 0), /* Power Management Enable */
324 /* Config3 register p.25 */
325 MagicPacket
= (1 << 5), /* Wake up when receives a Magic Packet */
326 LinkUp
= (1 << 4), /* Wake up when the cable connection is re-established */
328 /* Config5 register p.27 */
329 BWF
= (1 << 6), /* Accept Broadcast wakeup frame */
330 MWF
= (1 << 5), /* Accept Multicast wakeup frame */
331 UWF
= (1 << 4), /* Accept Unicast wakeup frame */
332 LanWake
= (1 << 1), /* LanWake enable/disable */
333 PMEStatus
= (1 << 0), /* PME status can be reset by PCI RST# */
336 TBIReset
= 0x80000000,
337 TBILoopback
= 0x40000000,
338 TBINwEnable
= 0x20000000,
339 TBINwRestart
= 0x10000000,
340 TBILinkOk
= 0x02000000,
341 TBINwComplete
= 0x01000000,
349 /* rtl8169_PHYstatus */
359 /* GIGABIT_PHY_registers */
362 PHY_AUTO_NEGO_REG
= 4,
363 PHY_1000_CTRL_REG
= 9,
365 /* GIGABIT_PHY_REG_BIT */
366 PHY_Restart_Auto_Nego
= 0x0200,
367 PHY_Enable_Auto_Nego
= 0x1000,
369 /* PHY_STAT_REG = 1 */
370 PHY_Auto_Neco_Comp
= 0x0020,
372 /* PHY_AUTO_NEGO_REG = 4 */
373 PHY_Cap_10_Half
= 0x0020,
374 PHY_Cap_10_Full
= 0x0040,
375 PHY_Cap_100_Half
= 0x0080,
376 PHY_Cap_100_Full
= 0x0100,
378 /* PHY_1000_CTRL_REG = 9 */
379 PHY_Cap_1000_Half
= 0x0100,
380 PHY_Cap_1000_Full
= 0x0200,
392 TBILinkOK
= 0x02000000,
394 /* DumpCounterCommand */
398 enum _DescStatusBit
{
399 DescOwn
= (1 << 31), /* Descriptor is owned by NIC */
400 RingEnd
= (1 << 30), /* End of descriptor ring */
401 FirstFrag
= (1 << 29), /* First segment of a packet */
402 LastFrag
= (1 << 28), /* Final segment of a packet */
405 LargeSend
= (1 << 27), /* TCP Large Send Offload (TSO) */
406 MSSShift
= 16, /* MSS value position */
407 MSSMask
= 0xfff, /* MSS value + LargeSend bit: 12 bits */
408 IPCS
= (1 << 18), /* Calculate IP checksum */
409 UDPCS
= (1 << 17), /* Calculate UDP/IP checksum */
410 TCPCS
= (1 << 16), /* Calculate TCP/IP checksum */
411 TxVlanTag
= (1 << 17), /* Add VLAN tag */
414 PID1
= (1 << 18), /* Protocol ID bit 1/2 */
415 PID0
= (1 << 17), /* Protocol ID bit 2/2 */
417 #define RxProtoUDP (PID1)
418 #define RxProtoTCP (PID0)
419 #define RxProtoIP (PID1 | PID0)
420 #define RxProtoMask RxProtoIP
422 IPFail
= (1 << 16), /* IP checksum failed */
423 UDPFail
= (1 << 15), /* UDP/IP checksum failed */
424 TCPFail
= (1 << 14), /* TCP/IP checksum failed */
425 RxVlanTag
= (1 << 16), /* VLAN tag available */
428 #define RsvdMask 0x3fffc000
445 u8 __pad
[sizeof(void *) - sizeof(u32
)];
448 struct rtl8169_private
{
449 void __iomem
*mmio_addr
; /* memory map physical address */
450 struct pci_dev
*pci_dev
; /* Index of PCI device */
451 struct net_device_stats stats
; /* statistics of net device */
452 spinlock_t lock
; /* spin lock flag */
457 u32 cur_rx
; /* Index into the Rx descriptor buffer of next Rx pkt. */
458 u32 cur_tx
; /* Index into the Tx descriptor buffer of next Rx pkt. */
461 struct TxDesc
*TxDescArray
; /* 256-aligned Tx descriptor ring */
462 struct RxDesc
*RxDescArray
; /* 256-aligned Rx descriptor ring */
463 dma_addr_t TxPhyAddr
;
464 dma_addr_t RxPhyAddr
;
465 struct sk_buff
*Rx_skbuff
[NUM_RX_DESC
]; /* Rx data buffers */
466 struct ring_info tx_skb
[NUM_TX_DESC
]; /* Tx data buffers */
469 struct timer_list timer
;
472 int phy_auto_nego_reg
;
473 int phy_1000_ctrl_reg
;
474 #ifdef CONFIG_R8169_VLAN
475 struct vlan_group
*vlgrp
;
477 int (*set_speed
)(struct net_device
*, u8 autoneg
, u16 speed
, u8 duplex
);
478 void (*get_settings
)(struct net_device
*, struct ethtool_cmd
*);
479 void (*phy_reset_enable
)(void __iomem
*);
480 unsigned int (*phy_reset_pending
)(void __iomem
*);
481 unsigned int (*link_ok
)(void __iomem
*);
482 struct work_struct task
;
483 unsigned wol_enabled
: 1;
486 MODULE_AUTHOR("Realtek and the Linux r8169 crew <netdev@vger.kernel.org>");
487 MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
488 module_param_array(media
, int, &num_media
, 0);
489 MODULE_PARM_DESC(media
, "force phy operation. Deprecated by ethtool (8).");
490 module_param(rx_copybreak
, int, 0);
491 MODULE_PARM_DESC(rx_copybreak
, "Copy breakpoint for copy-only-tiny-frames");
492 module_param(use_dac
, int, 0);
493 MODULE_PARM_DESC(use_dac
, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
494 module_param_named(debug
, debug
.msg_enable
, int, 0);
495 MODULE_PARM_DESC(debug
, "Debug verbosity level (0=none, ..., 16=all)");
496 MODULE_LICENSE("GPL");
497 MODULE_VERSION(RTL8169_VERSION
);
499 static int rtl8169_open(struct net_device
*dev
);
500 static int rtl8169_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
);
501 static irqreturn_t
rtl8169_interrupt(int irq
, void *dev_instance
,
502 struct pt_regs
*regs
);
503 static int rtl8169_init_ring(struct net_device
*dev
);
504 static void rtl8169_hw_start(struct net_device
*dev
);
505 static int rtl8169_close(struct net_device
*dev
);
506 static void rtl8169_set_rx_mode(struct net_device
*dev
);
507 static void rtl8169_tx_timeout(struct net_device
*dev
);
508 static struct net_device_stats
*rtl8169_get_stats(struct net_device
*dev
);
509 static int rtl8169_rx_interrupt(struct net_device
*, struct rtl8169_private
*,
511 static int rtl8169_change_mtu(struct net_device
*dev
, int new_mtu
);
512 static void rtl8169_down(struct net_device
*dev
);
514 #ifdef CONFIG_R8169_NAPI
515 static int rtl8169_poll(struct net_device
*dev
, int *budget
);
518 static const u16 rtl8169_intr_mask
=
519 SYSErr
| LinkChg
| RxOverflow
| RxFIFOOver
| TxErr
| TxOK
| RxErr
| RxOK
;
520 static const u16 rtl8169_napi_event
=
521 RxOK
| RxOverflow
| RxFIFOOver
| TxOK
| TxErr
;
522 static const unsigned int rtl8169_rx_config
=
523 (RX_FIFO_THRESH
<< RxCfgFIFOShift
) | (RX_DMA_BURST
<< RxCfgDMAShift
);
525 #define PHY_Cap_10_Half_Or_Less PHY_Cap_10_Half
526 #define PHY_Cap_10_Full_Or_Less PHY_Cap_10_Full | PHY_Cap_10_Half_Or_Less
527 #define PHY_Cap_100_Half_Or_Less PHY_Cap_100_Half | PHY_Cap_10_Full_Or_Less
528 #define PHY_Cap_100_Full_Or_Less PHY_Cap_100_Full | PHY_Cap_100_Half_Or_Less
530 static void mdio_write(void __iomem
*ioaddr
, int RegAddr
, int value
)
534 RTL_W32(PHYAR
, 0x80000000 | (RegAddr
& 0xFF) << 16 | value
);
536 for (i
= 20; i
> 0; i
--) {
537 /* Check if the RTL8169 has completed writing to the specified MII register */
538 if (!(RTL_R32(PHYAR
) & 0x80000000))
544 static int mdio_read(void __iomem
*ioaddr
, int RegAddr
)
548 RTL_W32(PHYAR
, 0x0 | (RegAddr
& 0xFF) << 16);
550 for (i
= 20; i
> 0; i
--) {
551 /* Check if the RTL8169 has completed retrieving data from the specified MII register */
552 if (RTL_R32(PHYAR
) & 0x80000000) {
553 value
= (int) (RTL_R32(PHYAR
) & 0xFFFF);
561 static void rtl8169_irq_mask_and_ack(void __iomem
*ioaddr
)
563 RTL_W16(IntrMask
, 0x0000);
565 RTL_W16(IntrStatus
, 0xffff);
568 static void rtl8169_asic_down(void __iomem
*ioaddr
)
570 RTL_W8(ChipCmd
, 0x00);
571 rtl8169_irq_mask_and_ack(ioaddr
);
575 static unsigned int rtl8169_tbi_reset_pending(void __iomem
*ioaddr
)
577 return RTL_R32(TBICSR
) & TBIReset
;
580 static unsigned int rtl8169_xmii_reset_pending(void __iomem
*ioaddr
)
582 return mdio_read(ioaddr
, 0) & 0x8000;
585 static unsigned int rtl8169_tbi_link_ok(void __iomem
*ioaddr
)
587 return RTL_R32(TBICSR
) & TBILinkOk
;
590 static unsigned int rtl8169_xmii_link_ok(void __iomem
*ioaddr
)
592 return RTL_R8(PHYstatus
) & LinkStatus
;
595 static void rtl8169_tbi_reset_enable(void __iomem
*ioaddr
)
597 RTL_W32(TBICSR
, RTL_R32(TBICSR
) | TBIReset
);
600 static void rtl8169_xmii_reset_enable(void __iomem
*ioaddr
)
604 val
= (mdio_read(ioaddr
, PHY_CTRL_REG
) | 0x8000) & 0xffff;
605 mdio_write(ioaddr
, PHY_CTRL_REG
, val
);
608 static void rtl8169_check_link_status(struct net_device
*dev
,
609 struct rtl8169_private
*tp
, void __iomem
*ioaddr
)
613 spin_lock_irqsave(&tp
->lock
, flags
);
614 if (tp
->link_ok(ioaddr
)) {
615 netif_carrier_on(dev
);
616 if (netif_msg_ifup(tp
))
617 printk(KERN_INFO PFX
"%s: link up\n", dev
->name
);
619 if (netif_msg_ifdown(tp
))
620 printk(KERN_INFO PFX
"%s: link down\n", dev
->name
);
621 netif_carrier_off(dev
);
623 spin_unlock_irqrestore(&tp
->lock
, flags
);
626 static void rtl8169_link_option(int idx
, u8
*autoneg
, u16
*speed
, u8
*duplex
)
633 } link_settings
[] = {
634 { SPEED_10
, DUPLEX_HALF
, AUTONEG_DISABLE
, _10_Half
},
635 { SPEED_10
, DUPLEX_FULL
, AUTONEG_DISABLE
, _10_Full
},
636 { SPEED_100
, DUPLEX_HALF
, AUTONEG_DISABLE
, _100_Half
},
637 { SPEED_100
, DUPLEX_FULL
, AUTONEG_DISABLE
, _100_Full
},
638 { SPEED_1000
, DUPLEX_FULL
, AUTONEG_DISABLE
, _1000_Full
},
640 { SPEED_1000
, DUPLEX_FULL
, AUTONEG_ENABLE
, 0xff }
642 unsigned char option
;
644 option
= ((idx
< MAX_UNITS
) && (idx
>= 0)) ? media
[idx
] : 0xff;
646 if ((option
!= 0xff) && !idx
&& netif_msg_drv(&debug
))
647 printk(KERN_WARNING PFX
"media option is deprecated.\n");
649 for (p
= link_settings
; p
->media
!= 0xff; p
++) {
650 if (p
->media
== option
)
653 *autoneg
= p
->autoneg
;
658 static void rtl8169_get_wol(struct net_device
*dev
, struct ethtool_wolinfo
*wol
)
660 struct rtl8169_private
*tp
= netdev_priv(dev
);
661 void __iomem
*ioaddr
= tp
->mmio_addr
;
666 #define WAKE_ANY (WAKE_PHY | WAKE_MAGIC | WAKE_UCAST | WAKE_BCAST | WAKE_MCAST)
667 wol
->supported
= WAKE_ANY
;
669 spin_lock_irq(&tp
->lock
);
671 options
= RTL_R8(Config1
);
672 if (!(options
& PMEnable
))
675 options
= RTL_R8(Config3
);
676 if (options
& LinkUp
)
677 wol
->wolopts
|= WAKE_PHY
;
678 if (options
& MagicPacket
)
679 wol
->wolopts
|= WAKE_MAGIC
;
681 options
= RTL_R8(Config5
);
683 wol
->wolopts
|= WAKE_UCAST
;
685 wol
->wolopts
|= WAKE_BCAST
;
687 wol
->wolopts
|= WAKE_MCAST
;
690 spin_unlock_irq(&tp
->lock
);
693 static int rtl8169_set_wol(struct net_device
*dev
, struct ethtool_wolinfo
*wol
)
695 struct rtl8169_private
*tp
= netdev_priv(dev
);
696 void __iomem
*ioaddr
= tp
->mmio_addr
;
703 { WAKE_ANY
, Config1
, PMEnable
},
704 { WAKE_PHY
, Config3
, LinkUp
},
705 { WAKE_MAGIC
, Config3
, MagicPacket
},
706 { WAKE_UCAST
, Config5
, UWF
},
707 { WAKE_BCAST
, Config5
, BWF
},
708 { WAKE_MCAST
, Config5
, MWF
},
709 { WAKE_ANY
, Config5
, LanWake
}
712 spin_lock_irq(&tp
->lock
);
714 RTL_W8(Cfg9346
, Cfg9346_Unlock
);
716 for (i
= 0; i
< ARRAY_SIZE(cfg
); i
++) {
717 u8 options
= RTL_R8(cfg
[i
].reg
) & ~cfg
[i
].mask
;
718 if (wol
->wolopts
& cfg
[i
].opt
)
719 options
|= cfg
[i
].mask
;
720 RTL_W8(cfg
[i
].reg
, options
);
723 RTL_W8(Cfg9346
, Cfg9346_Lock
);
725 tp
->wol_enabled
= (wol
->wolopts
) ? 1 : 0;
727 spin_unlock_irq(&tp
->lock
);
732 static void rtl8169_get_drvinfo(struct net_device
*dev
,
733 struct ethtool_drvinfo
*info
)
735 struct rtl8169_private
*tp
= netdev_priv(dev
);
737 strcpy(info
->driver
, MODULENAME
);
738 strcpy(info
->version
, RTL8169_VERSION
);
739 strcpy(info
->bus_info
, pci_name(tp
->pci_dev
));
742 static int rtl8169_get_regs_len(struct net_device
*dev
)
744 return R8169_REGS_SIZE
;
747 static int rtl8169_set_speed_tbi(struct net_device
*dev
,
748 u8 autoneg
, u16 speed
, u8 duplex
)
750 struct rtl8169_private
*tp
= netdev_priv(dev
);
751 void __iomem
*ioaddr
= tp
->mmio_addr
;
755 reg
= RTL_R32(TBICSR
);
756 if ((autoneg
== AUTONEG_DISABLE
) && (speed
== SPEED_1000
) &&
757 (duplex
== DUPLEX_FULL
)) {
758 RTL_W32(TBICSR
, reg
& ~(TBINwEnable
| TBINwRestart
));
759 } else if (autoneg
== AUTONEG_ENABLE
)
760 RTL_W32(TBICSR
, reg
| TBINwEnable
| TBINwRestart
);
762 if (netif_msg_link(tp
)) {
763 printk(KERN_WARNING
"%s: "
764 "incorrect speed setting refused in TBI mode\n",
773 static int rtl8169_set_speed_xmii(struct net_device
*dev
,
774 u8 autoneg
, u16 speed
, u8 duplex
)
776 struct rtl8169_private
*tp
= netdev_priv(dev
);
777 void __iomem
*ioaddr
= tp
->mmio_addr
;
778 int auto_nego
, giga_ctrl
;
780 auto_nego
= mdio_read(ioaddr
, PHY_AUTO_NEGO_REG
);
781 auto_nego
&= ~(PHY_Cap_10_Half
| PHY_Cap_10_Full
|
782 PHY_Cap_100_Half
| PHY_Cap_100_Full
);
783 giga_ctrl
= mdio_read(ioaddr
, PHY_1000_CTRL_REG
);
784 giga_ctrl
&= ~(PHY_Cap_1000_Full
| PHY_Cap_1000_Half
| PHY_Cap_Null
);
786 if (autoneg
== AUTONEG_ENABLE
) {
787 auto_nego
|= (PHY_Cap_10_Half
| PHY_Cap_10_Full
|
788 PHY_Cap_100_Half
| PHY_Cap_100_Full
);
789 giga_ctrl
|= PHY_Cap_1000_Full
| PHY_Cap_1000_Half
;
791 if (speed
== SPEED_10
)
792 auto_nego
|= PHY_Cap_10_Half
| PHY_Cap_10_Full
;
793 else if (speed
== SPEED_100
)
794 auto_nego
|= PHY_Cap_100_Half
| PHY_Cap_100_Full
;
795 else if (speed
== SPEED_1000
)
796 giga_ctrl
|= PHY_Cap_1000_Full
| PHY_Cap_1000_Half
;
798 if (duplex
== DUPLEX_HALF
)
799 auto_nego
&= ~(PHY_Cap_10_Full
| PHY_Cap_100_Full
);
801 if (duplex
== DUPLEX_FULL
)
802 auto_nego
&= ~(PHY_Cap_10_Half
| PHY_Cap_100_Half
);
804 /* This tweak comes straight from Realtek's driver. */
805 if ((speed
== SPEED_100
) && (duplex
== DUPLEX_HALF
) &&
806 (tp
->mac_version
== RTL_GIGA_MAC_VER_13
)) {
807 auto_nego
= PHY_Cap_100_Half
| 0x01;
811 /* The 8100e/8101e do Fast Ethernet only. */
812 if ((tp
->mac_version
== RTL_GIGA_MAC_VER_13
) ||
813 (tp
->mac_version
== RTL_GIGA_MAC_VER_14
) ||
814 (tp
->mac_version
== RTL_GIGA_MAC_VER_15
)) {
815 if ((giga_ctrl
& (PHY_Cap_1000_Full
| PHY_Cap_1000_Half
)) &&
816 netif_msg_link(tp
)) {
817 printk(KERN_INFO
"%s: PHY does not support 1000Mbps.\n",
820 giga_ctrl
&= ~(PHY_Cap_1000_Full
| PHY_Cap_1000_Half
);
823 auto_nego
|= ADVERTISE_PAUSE_CAP
| ADVERTISE_PAUSE_ASYM
;
825 tp
->phy_auto_nego_reg
= auto_nego
;
826 tp
->phy_1000_ctrl_reg
= giga_ctrl
;
828 mdio_write(ioaddr
, PHY_AUTO_NEGO_REG
, auto_nego
);
829 mdio_write(ioaddr
, PHY_1000_CTRL_REG
, giga_ctrl
);
830 mdio_write(ioaddr
, PHY_CTRL_REG
, PHY_Enable_Auto_Nego
|
831 PHY_Restart_Auto_Nego
);
835 static int rtl8169_set_speed(struct net_device
*dev
,
836 u8 autoneg
, u16 speed
, u8 duplex
)
838 struct rtl8169_private
*tp
= netdev_priv(dev
);
841 ret
= tp
->set_speed(dev
, autoneg
, speed
, duplex
);
843 if (netif_running(dev
) && (tp
->phy_1000_ctrl_reg
& PHY_Cap_1000_Full
))
844 mod_timer(&tp
->timer
, jiffies
+ RTL8169_PHY_TIMEOUT
);
849 static int rtl8169_set_settings(struct net_device
*dev
, struct ethtool_cmd
*cmd
)
851 struct rtl8169_private
*tp
= netdev_priv(dev
);
855 spin_lock_irqsave(&tp
->lock
, flags
);
856 ret
= rtl8169_set_speed(dev
, cmd
->autoneg
, cmd
->speed
, cmd
->duplex
);
857 spin_unlock_irqrestore(&tp
->lock
, flags
);
862 static u32
rtl8169_get_rx_csum(struct net_device
*dev
)
864 struct rtl8169_private
*tp
= netdev_priv(dev
);
866 return tp
->cp_cmd
& RxChkSum
;
869 static int rtl8169_set_rx_csum(struct net_device
*dev
, u32 data
)
871 struct rtl8169_private
*tp
= netdev_priv(dev
);
872 void __iomem
*ioaddr
= tp
->mmio_addr
;
875 spin_lock_irqsave(&tp
->lock
, flags
);
878 tp
->cp_cmd
|= RxChkSum
;
880 tp
->cp_cmd
&= ~RxChkSum
;
882 RTL_W16(CPlusCmd
, tp
->cp_cmd
);
885 spin_unlock_irqrestore(&tp
->lock
, flags
);
890 #ifdef CONFIG_R8169_VLAN
892 static inline u32
rtl8169_tx_vlan_tag(struct rtl8169_private
*tp
,
895 return (tp
->vlgrp
&& vlan_tx_tag_present(skb
)) ?
896 TxVlanTag
| swab16(vlan_tx_tag_get(skb
)) : 0x00;
899 static void rtl8169_vlan_rx_register(struct net_device
*dev
,
900 struct vlan_group
*grp
)
902 struct rtl8169_private
*tp
= netdev_priv(dev
);
903 void __iomem
*ioaddr
= tp
->mmio_addr
;
906 spin_lock_irqsave(&tp
->lock
, flags
);
909 tp
->cp_cmd
|= RxVlan
;
911 tp
->cp_cmd
&= ~RxVlan
;
912 RTL_W16(CPlusCmd
, tp
->cp_cmd
);
914 spin_unlock_irqrestore(&tp
->lock
, flags
);
917 static void rtl8169_vlan_rx_kill_vid(struct net_device
*dev
, unsigned short vid
)
919 struct rtl8169_private
*tp
= netdev_priv(dev
);
922 spin_lock_irqsave(&tp
->lock
, flags
);
924 tp
->vlgrp
->vlan_devices
[vid
] = NULL
;
925 spin_unlock_irqrestore(&tp
->lock
, flags
);
928 static int rtl8169_rx_vlan_skb(struct rtl8169_private
*tp
, struct RxDesc
*desc
,
931 u32 opts2
= le32_to_cpu(desc
->opts2
);
934 if (tp
->vlgrp
&& (opts2
& RxVlanTag
)) {
935 rtl8169_rx_hwaccel_skb(skb
, tp
->vlgrp
,
936 swab16(opts2
& 0xffff));
944 #else /* !CONFIG_R8169_VLAN */
946 static inline u32
rtl8169_tx_vlan_tag(struct rtl8169_private
*tp
,
952 static int rtl8169_rx_vlan_skb(struct rtl8169_private
*tp
, struct RxDesc
*desc
,
960 static void rtl8169_gset_tbi(struct net_device
*dev
, struct ethtool_cmd
*cmd
)
962 struct rtl8169_private
*tp
= netdev_priv(dev
);
963 void __iomem
*ioaddr
= tp
->mmio_addr
;
967 SUPPORTED_1000baseT_Full
| SUPPORTED_Autoneg
| SUPPORTED_FIBRE
;
968 cmd
->port
= PORT_FIBRE
;
969 cmd
->transceiver
= XCVR_INTERNAL
;
971 status
= RTL_R32(TBICSR
);
972 cmd
->advertising
= (status
& TBINwEnable
) ? ADVERTISED_Autoneg
: 0;
973 cmd
->autoneg
= !!(status
& TBINwEnable
);
975 cmd
->speed
= SPEED_1000
;
976 cmd
->duplex
= DUPLEX_FULL
; /* Always set */
979 static void rtl8169_gset_xmii(struct net_device
*dev
, struct ethtool_cmd
*cmd
)
981 struct rtl8169_private
*tp
= netdev_priv(dev
);
982 void __iomem
*ioaddr
= tp
->mmio_addr
;
985 cmd
->supported
= SUPPORTED_10baseT_Half
|
986 SUPPORTED_10baseT_Full
|
987 SUPPORTED_100baseT_Half
|
988 SUPPORTED_100baseT_Full
|
989 SUPPORTED_1000baseT_Full
|
994 cmd
->advertising
= ADVERTISED_TP
| ADVERTISED_Autoneg
;
996 if (tp
->phy_auto_nego_reg
& PHY_Cap_10_Half
)
997 cmd
->advertising
|= ADVERTISED_10baseT_Half
;
998 if (tp
->phy_auto_nego_reg
& PHY_Cap_10_Full
)
999 cmd
->advertising
|= ADVERTISED_10baseT_Full
;
1000 if (tp
->phy_auto_nego_reg
& PHY_Cap_100_Half
)
1001 cmd
->advertising
|= ADVERTISED_100baseT_Half
;
1002 if (tp
->phy_auto_nego_reg
& PHY_Cap_100_Full
)
1003 cmd
->advertising
|= ADVERTISED_100baseT_Full
;
1004 if (tp
->phy_1000_ctrl_reg
& PHY_Cap_1000_Full
)
1005 cmd
->advertising
|= ADVERTISED_1000baseT_Full
;
1007 status
= RTL_R8(PHYstatus
);
1009 if (status
& _1000bpsF
)
1010 cmd
->speed
= SPEED_1000
;
1011 else if (status
& _100bps
)
1012 cmd
->speed
= SPEED_100
;
1013 else if (status
& _10bps
)
1014 cmd
->speed
= SPEED_10
;
1016 if (status
& TxFlowCtrl
)
1017 cmd
->advertising
|= ADVERTISED_Asym_Pause
;
1018 if (status
& RxFlowCtrl
)
1019 cmd
->advertising
|= ADVERTISED_Pause
;
1021 cmd
->duplex
= ((status
& _1000bpsF
) || (status
& FullDup
)) ?
1022 DUPLEX_FULL
: DUPLEX_HALF
;
1025 static int rtl8169_get_settings(struct net_device
*dev
, struct ethtool_cmd
*cmd
)
1027 struct rtl8169_private
*tp
= netdev_priv(dev
);
1028 unsigned long flags
;
1030 spin_lock_irqsave(&tp
->lock
, flags
);
1032 tp
->get_settings(dev
, cmd
);
1034 spin_unlock_irqrestore(&tp
->lock
, flags
);
1038 static void rtl8169_get_regs(struct net_device
*dev
, struct ethtool_regs
*regs
,
1041 struct rtl8169_private
*tp
= netdev_priv(dev
);
1042 unsigned long flags
;
1044 if (regs
->len
> R8169_REGS_SIZE
)
1045 regs
->len
= R8169_REGS_SIZE
;
1047 spin_lock_irqsave(&tp
->lock
, flags
);
1048 memcpy_fromio(p
, tp
->mmio_addr
, regs
->len
);
1049 spin_unlock_irqrestore(&tp
->lock
, flags
);
1052 static u32
rtl8169_get_msglevel(struct net_device
*dev
)
1054 struct rtl8169_private
*tp
= netdev_priv(dev
);
1056 return tp
->msg_enable
;
1059 static void rtl8169_set_msglevel(struct net_device
*dev
, u32 value
)
1061 struct rtl8169_private
*tp
= netdev_priv(dev
);
1063 tp
->msg_enable
= value
;
1066 static const char rtl8169_gstrings
[][ETH_GSTRING_LEN
] = {
1073 "tx_single_collisions",
1074 "tx_multi_collisions",
1082 struct rtl8169_counters
{
1089 u32 tx_one_collision
;
1090 u32 tx_multi_collision
;
1098 static int rtl8169_get_stats_count(struct net_device
*dev
)
1100 return ARRAY_SIZE(rtl8169_gstrings
);
1103 static void rtl8169_get_ethtool_stats(struct net_device
*dev
,
1104 struct ethtool_stats
*stats
, u64
*data
)
1106 struct rtl8169_private
*tp
= netdev_priv(dev
);
1107 void __iomem
*ioaddr
= tp
->mmio_addr
;
1108 struct rtl8169_counters
*counters
;
1114 counters
= pci_alloc_consistent(tp
->pci_dev
, sizeof(*counters
), &paddr
);
1118 RTL_W32(CounterAddrHigh
, (u64
)paddr
>> 32);
1119 cmd
= (u64
)paddr
& DMA_32BIT_MASK
;
1120 RTL_W32(CounterAddrLow
, cmd
);
1121 RTL_W32(CounterAddrLow
, cmd
| CounterDump
);
1123 while (RTL_R32(CounterAddrLow
) & CounterDump
) {
1124 if (msleep_interruptible(1))
1128 RTL_W32(CounterAddrLow
, 0);
1129 RTL_W32(CounterAddrHigh
, 0);
1131 data
[0] = le64_to_cpu(counters
->tx_packets
);
1132 data
[1] = le64_to_cpu(counters
->rx_packets
);
1133 data
[2] = le64_to_cpu(counters
->tx_errors
);
1134 data
[3] = le32_to_cpu(counters
->rx_errors
);
1135 data
[4] = le16_to_cpu(counters
->rx_missed
);
1136 data
[5] = le16_to_cpu(counters
->align_errors
);
1137 data
[6] = le32_to_cpu(counters
->tx_one_collision
);
1138 data
[7] = le32_to_cpu(counters
->tx_multi_collision
);
1139 data
[8] = le64_to_cpu(counters
->rx_unicast
);
1140 data
[9] = le64_to_cpu(counters
->rx_broadcast
);
1141 data
[10] = le32_to_cpu(counters
->rx_multicast
);
1142 data
[11] = le16_to_cpu(counters
->tx_aborted
);
1143 data
[12] = le16_to_cpu(counters
->tx_underun
);
1145 pci_free_consistent(tp
->pci_dev
, sizeof(*counters
), counters
, paddr
);
1148 static void rtl8169_get_strings(struct net_device
*dev
, u32 stringset
, u8
*data
)
1152 memcpy(data
, *rtl8169_gstrings
, sizeof(rtl8169_gstrings
));
1158 static struct ethtool_ops rtl8169_ethtool_ops
= {
1159 .get_drvinfo
= rtl8169_get_drvinfo
,
1160 .get_regs_len
= rtl8169_get_regs_len
,
1161 .get_link
= ethtool_op_get_link
,
1162 .get_settings
= rtl8169_get_settings
,
1163 .set_settings
= rtl8169_set_settings
,
1164 .get_msglevel
= rtl8169_get_msglevel
,
1165 .set_msglevel
= rtl8169_set_msglevel
,
1166 .get_rx_csum
= rtl8169_get_rx_csum
,
1167 .set_rx_csum
= rtl8169_set_rx_csum
,
1168 .get_tx_csum
= ethtool_op_get_tx_csum
,
1169 .set_tx_csum
= ethtool_op_set_tx_csum
,
1170 .get_sg
= ethtool_op_get_sg
,
1171 .set_sg
= ethtool_op_set_sg
,
1172 .get_tso
= ethtool_op_get_tso
,
1173 .set_tso
= ethtool_op_set_tso
,
1174 .get_regs
= rtl8169_get_regs
,
1175 .get_wol
= rtl8169_get_wol
,
1176 .set_wol
= rtl8169_set_wol
,
1177 .get_strings
= rtl8169_get_strings
,
1178 .get_stats_count
= rtl8169_get_stats_count
,
1179 .get_ethtool_stats
= rtl8169_get_ethtool_stats
,
1180 .get_perm_addr
= ethtool_op_get_perm_addr
,
1183 static void rtl8169_write_gmii_reg_bit(void __iomem
*ioaddr
, int reg
, int bitnum
,
1188 val
= mdio_read(ioaddr
, reg
);
1189 val
= (bitval
== 1) ?
1190 val
| (bitval
<< bitnum
) : val
& ~(0x0001 << bitnum
);
1191 mdio_write(ioaddr
, reg
, val
& 0xffff);
1194 static void rtl8169_get_mac_version(struct rtl8169_private
*tp
, void __iomem
*ioaddr
)
1200 { 0x38800000, RTL_GIGA_MAC_VER_15
},
1201 { 0x38000000, RTL_GIGA_MAC_VER_12
},
1202 { 0x34000000, RTL_GIGA_MAC_VER_13
},
1203 { 0x30800000, RTL_GIGA_MAC_VER_14
},
1204 { 0x30000000, RTL_GIGA_MAC_VER_11
},
1205 { 0x18000000, RTL_GIGA_MAC_VER_05
},
1206 { 0x10000000, RTL_GIGA_MAC_VER_04
},
1207 { 0x04000000, RTL_GIGA_MAC_VER_03
},
1208 { 0x00800000, RTL_GIGA_MAC_VER_02
},
1209 { 0x00000000, RTL_GIGA_MAC_VER_01
} /* Catch-all */
1213 reg
= RTL_R32(TxConfig
) & 0x7c800000;
1214 while ((reg
& p
->mask
) != p
->mask
)
1216 tp
->mac_version
= p
->mac_version
;
1219 static void rtl8169_print_mac_version(struct rtl8169_private
*tp
)
1221 dprintk("mac_version = 0x%02x\n", tp
->mac_version
);
1224 static void rtl8169_get_phy_version(struct rtl8169_private
*tp
, void __iomem
*ioaddr
)
1231 { 0x000f, 0x0002, RTL_GIGA_PHY_VER_G
},
1232 { 0x000f, 0x0001, RTL_GIGA_PHY_VER_F
},
1233 { 0x000f, 0x0000, RTL_GIGA_PHY_VER_E
},
1234 { 0x0000, 0x0000, RTL_GIGA_PHY_VER_D
} /* Catch-all */
1238 reg
= mdio_read(ioaddr
, 3) & 0xffff;
1239 while ((reg
& p
->mask
) != p
->set
)
1241 tp
->phy_version
= p
->phy_version
;
1244 static void rtl8169_print_phy_version(struct rtl8169_private
*tp
)
1251 { RTL_GIGA_PHY_VER_G
, "RTL_GIGA_PHY_VER_G", 0x0002 },
1252 { RTL_GIGA_PHY_VER_F
, "RTL_GIGA_PHY_VER_F", 0x0001 },
1253 { RTL_GIGA_PHY_VER_E
, "RTL_GIGA_PHY_VER_E", 0x0000 },
1254 { RTL_GIGA_PHY_VER_D
, "RTL_GIGA_PHY_VER_D", 0x0000 },
1258 for (p
= phy_print
; p
->msg
; p
++) {
1259 if (tp
->phy_version
== p
->version
) {
1260 dprintk("phy_version == %s (%04x)\n", p
->msg
, p
->reg
);
1264 dprintk("phy_version == Unknown\n");
1267 static void rtl8169_hw_phy_config(struct net_device
*dev
)
1269 struct rtl8169_private
*tp
= netdev_priv(dev
);
1270 void __iomem
*ioaddr
= tp
->mmio_addr
;
1272 u16 regs
[5]; /* Beware of bit-sign propagation */
1273 } phy_magic
[5] = { {
1274 { 0x0000, //w 4 15 12 0
1275 0x00a1, //w 3 15 0 00a1
1276 0x0008, //w 2 15 0 0008
1277 0x1020, //w 1 15 0 1020
1278 0x1000 } },{ //w 0 15 0 1000
1279 { 0x7000, //w 4 15 12 7
1280 0xff41, //w 3 15 0 ff41
1281 0xde60, //w 2 15 0 de60
1282 0x0140, //w 1 15 0 0140
1283 0x0077 } },{ //w 0 15 0 0077
1284 { 0xa000, //w 4 15 12 a
1285 0xdf01, //w 3 15 0 df01
1286 0xdf20, //w 2 15 0 df20
1287 0xff95, //w 1 15 0 ff95
1288 0xfa00 } },{ //w 0 15 0 fa00
1289 { 0xb000, //w 4 15 12 b
1290 0xff41, //w 3 15 0 ff41
1291 0xde20, //w 2 15 0 de20
1292 0x0140, //w 1 15 0 0140
1293 0x00bb } },{ //w 0 15 0 00bb
1294 { 0xf000, //w 4 15 12 f
1295 0xdf01, //w 3 15 0 df01
1296 0xdf20, //w 2 15 0 df20
1297 0xff95, //w 1 15 0 ff95
1298 0xbf00 } //w 0 15 0 bf00
1303 rtl8169_print_mac_version(tp
);
1304 rtl8169_print_phy_version(tp
);
1306 if (tp
->mac_version
<= RTL_GIGA_MAC_VER_01
)
1308 if (tp
->phy_version
>= RTL_GIGA_PHY_VER_H
)
1311 dprintk("MAC version != 0 && PHY version == 0 or 1\n");
1312 dprintk("Do final_reg2.cfg\n");
1316 if (tp
->mac_version
== RTL_GIGA_MAC_VER_04
) {
1317 mdio_write(ioaddr
, 31, 0x0001);
1318 mdio_write(ioaddr
, 9, 0x273a);
1319 mdio_write(ioaddr
, 14, 0x7bfb);
1320 mdio_write(ioaddr
, 27, 0x841e);
1322 mdio_write(ioaddr
, 31, 0x0002);
1323 mdio_write(ioaddr
, 1, 0x90d0);
1324 mdio_write(ioaddr
, 31, 0x0000);
1328 /* phy config for RTL8169s mac_version C chip */
1329 mdio_write(ioaddr
, 31, 0x0001); //w 31 2 0 1
1330 mdio_write(ioaddr
, 21, 0x1000); //w 21 15 0 1000
1331 mdio_write(ioaddr
, 24, 0x65c7); //w 24 15 0 65c7
1332 rtl8169_write_gmii_reg_bit(ioaddr
, 4, 11, 0); //w 4 11 11 0
1334 for (i
= 0; i
< ARRAY_SIZE(phy_magic
); i
++, p
++) {
1337 val
= (mdio_read(ioaddr
, pos
) & 0x0fff) | (p
->regs
[0] & 0xffff);
1338 mdio_write(ioaddr
, pos
, val
);
1340 mdio_write(ioaddr
, pos
, p
->regs
[4 - pos
] & 0xffff);
1341 rtl8169_write_gmii_reg_bit(ioaddr
, 4, 11, 1); //w 4 11 11 1
1342 rtl8169_write_gmii_reg_bit(ioaddr
, 4, 11, 0); //w 4 11 11 0
1344 mdio_write(ioaddr
, 31, 0x0000); //w 31 2 0 0
1347 static void rtl8169_phy_timer(unsigned long __opaque
)
1349 struct net_device
*dev
= (struct net_device
*)__opaque
;
1350 struct rtl8169_private
*tp
= netdev_priv(dev
);
1351 struct timer_list
*timer
= &tp
->timer
;
1352 void __iomem
*ioaddr
= tp
->mmio_addr
;
1353 unsigned long timeout
= RTL8169_PHY_TIMEOUT
;
1355 assert(tp
->mac_version
> RTL_GIGA_MAC_VER_01
);
1356 assert(tp
->phy_version
< RTL_GIGA_PHY_VER_H
);
1358 if (!(tp
->phy_1000_ctrl_reg
& PHY_Cap_1000_Full
))
1361 spin_lock_irq(&tp
->lock
);
1363 if (tp
->phy_reset_pending(ioaddr
)) {
1365 * A busy loop could burn quite a few cycles on nowadays CPU.
1366 * Let's delay the execution of the timer for a few ticks.
1372 if (tp
->link_ok(ioaddr
))
1375 if (netif_msg_link(tp
))
1376 printk(KERN_WARNING
"%s: PHY reset until link up\n", dev
->name
);
1378 tp
->phy_reset_enable(ioaddr
);
1381 mod_timer(timer
, jiffies
+ timeout
);
1383 spin_unlock_irq(&tp
->lock
);
1386 static inline void rtl8169_delete_timer(struct net_device
*dev
)
1388 struct rtl8169_private
*tp
= netdev_priv(dev
);
1389 struct timer_list
*timer
= &tp
->timer
;
1391 if ((tp
->mac_version
<= RTL_GIGA_MAC_VER_01
) ||
1392 (tp
->phy_version
>= RTL_GIGA_PHY_VER_H
))
1395 del_timer_sync(timer
);
1398 static inline void rtl8169_request_timer(struct net_device
*dev
)
1400 struct rtl8169_private
*tp
= netdev_priv(dev
);
1401 struct timer_list
*timer
= &tp
->timer
;
1403 if ((tp
->mac_version
<= RTL_GIGA_MAC_VER_01
) ||
1404 (tp
->phy_version
>= RTL_GIGA_PHY_VER_H
))
1408 timer
->expires
= jiffies
+ RTL8169_PHY_TIMEOUT
;
1409 timer
->data
= (unsigned long)(dev
);
1410 timer
->function
= rtl8169_phy_timer
;
1414 #ifdef CONFIG_NET_POLL_CONTROLLER
1416 * Polling 'interrupt' - used by things like netconsole to send skbs
1417 * without having to re-enable interrupts. It's not called while
1418 * the interrupt routine is executing.
1420 static void rtl8169_netpoll(struct net_device
*dev
)
1422 struct rtl8169_private
*tp
= netdev_priv(dev
);
1423 struct pci_dev
*pdev
= tp
->pci_dev
;
1425 disable_irq(pdev
->irq
);
1426 rtl8169_interrupt(pdev
->irq
, dev
, NULL
);
1427 enable_irq(pdev
->irq
);
1431 static void __rtl8169_set_mac_addr(struct net_device
*dev
, void __iomem
*ioaddr
)
1435 RTL_W8(Cfg9346
, Cfg9346_Unlock
);
1436 for (i
= 0; i
< 2; i
++) {
1439 for (j
= 0; j
< 4; j
++) {
1441 l
|= dev
->dev_addr
[4*i
+ j
];
1443 RTL_W32(MAC0
+ 4*i
, cpu_to_be32(l
));
1445 RTL_W8(Cfg9346
, Cfg9346_Lock
);
1448 static int rtl8169_set_mac_addr(struct net_device
*dev
, void *p
)
1450 struct rtl8169_private
*tp
= netdev_priv(dev
);
1451 struct sockaddr
*addr
= p
;
1453 if (!is_valid_ether_addr(addr
->sa_data
))
1456 memcpy(dev
->dev_addr
, addr
->sa_data
, dev
->addr_len
);
1458 if (netif_running(dev
)) {
1459 spin_lock_irq(&tp
->lock
);
1460 __rtl8169_set_mac_addr(dev
, tp
->mmio_addr
);
1461 spin_unlock_irq(&tp
->lock
);
1466 static void rtl8169_release_board(struct pci_dev
*pdev
, struct net_device
*dev
,
1467 void __iomem
*ioaddr
)
1470 pci_release_regions(pdev
);
1471 pci_disable_device(pdev
);
1475 static void rtl8169_init_phy(struct net_device
*dev
, struct rtl8169_private
*tp
)
1477 void __iomem
*ioaddr
= tp
->mmio_addr
;
1478 static int board_idx
= -1;
1484 rtl8169_hw_phy_config(dev
);
1486 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
1489 if (tp
->mac_version
< RTL_GIGA_MAC_VER_03
) {
1490 dprintk("Set PCI Latency=0x40\n");
1491 pci_write_config_byte(tp
->pci_dev
, PCI_LATENCY_TIMER
, 0x40);
1494 if (tp
->mac_version
== RTL_GIGA_MAC_VER_02
) {
1495 dprintk("Set MAC Reg C+CR Offset 0x82h = 0x01h\n");
1497 dprintk("Set PHY Reg 0x0bh = 0x00h\n");
1498 mdio_write(ioaddr
, 0x0b, 0x0000); //w 0x0b 15 0 0
1501 rtl8169_link_option(board_idx
, &autoneg
, &speed
, &duplex
);
1503 rtl8169_set_speed(dev
, autoneg
, speed
, duplex
);
1505 if ((RTL_R8(PHYstatus
) & TBI_Enable
) && netif_msg_link(tp
))
1506 printk(KERN_INFO PFX
"%s: TBI auto-negotiating\n", dev
->name
);
1509 static int __devinit
1510 rtl8169_init_one(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
1512 const unsigned int region
= rtl_cfg_info
[ent
->driver_data
].region
;
1513 struct rtl8169_private
*tp
;
1514 struct net_device
*dev
;
1515 void __iomem
*ioaddr
;
1516 unsigned int i
, pm_cap
;
1519 if (netif_msg_drv(&debug
)) {
1520 printk(KERN_INFO
"%s Gigabit Ethernet driver %s loaded\n",
1521 MODULENAME
, RTL8169_VERSION
);
1524 dev
= alloc_etherdev(sizeof (*tp
));
1526 if (netif_msg_drv(&debug
))
1527 dev_err(&pdev
->dev
, "unable to alloc new ethernet\n");
1532 SET_MODULE_OWNER(dev
);
1533 SET_NETDEV_DEV(dev
, &pdev
->dev
);
1534 tp
= netdev_priv(dev
);
1535 tp
->msg_enable
= netif_msg_init(debug
.msg_enable
, R8169_MSG_DEFAULT
);
1537 /* enable device (incl. PCI PM wakeup and hotplug setup) */
1538 rc
= pci_enable_device(pdev
);
1540 if (netif_msg_probe(tp
))
1541 dev_err(&pdev
->dev
, "enable failure\n");
1542 goto err_out_free_dev_1
;
1545 rc
= pci_set_mwi(pdev
);
1547 goto err_out_disable_2
;
1549 /* save power state before pci_enable_device overwrites it */
1550 pm_cap
= pci_find_capability(pdev
, PCI_CAP_ID_PM
);
1552 u16 pwr_command
, acpi_idle_state
;
1554 pci_read_config_word(pdev
, pm_cap
+ PCI_PM_CTRL
, &pwr_command
);
1555 acpi_idle_state
= pwr_command
& PCI_PM_CTRL_STATE_MASK
;
1557 if (netif_msg_probe(tp
)) {
1559 "PowerManagement capability not found.\n");
1563 /* make sure PCI base addr 1 is MMIO */
1564 if (!(pci_resource_flags(pdev
, region
) & IORESOURCE_MEM
)) {
1565 if (netif_msg_probe(tp
)) {
1567 "region #%d not an MMIO resource, aborting\n",
1574 /* check for weird/broken PCI region reporting */
1575 if (pci_resource_len(pdev
, region
) < R8169_REGS_SIZE
) {
1576 if (netif_msg_probe(tp
)) {
1578 "Invalid PCI region size(s), aborting\n");
1584 rc
= pci_request_regions(pdev
, MODULENAME
);
1586 if (netif_msg_probe(tp
))
1587 dev_err(&pdev
->dev
, "could not request regions.\n");
1591 tp
->cp_cmd
= PCIMulRW
| RxChkSum
;
1593 if ((sizeof(dma_addr_t
) > 4) &&
1594 !pci_set_dma_mask(pdev
, DMA_64BIT_MASK
) && use_dac
) {
1595 tp
->cp_cmd
|= PCIDAC
;
1596 dev
->features
|= NETIF_F_HIGHDMA
;
1598 rc
= pci_set_dma_mask(pdev
, DMA_32BIT_MASK
);
1600 if (netif_msg_probe(tp
)) {
1602 "DMA configuration failed.\n");
1604 goto err_out_free_res_4
;
1608 pci_set_master(pdev
);
1610 /* ioremap MMIO region */
1611 ioaddr
= ioremap(pci_resource_start(pdev
, region
), R8169_REGS_SIZE
);
1613 if (netif_msg_probe(tp
))
1614 dev_err(&pdev
->dev
, "cannot remap MMIO, aborting\n");
1616 goto err_out_free_res_4
;
1619 /* Unneeded ? Don't mess with Mrs. Murphy. */
1620 rtl8169_irq_mask_and_ack(ioaddr
);
1622 /* Soft reset the chip. */
1623 RTL_W8(ChipCmd
, CmdReset
);
1625 /* Check that the chip has finished the reset. */
1626 for (i
= 100; i
> 0; i
--) {
1627 if ((RTL_R8(ChipCmd
) & CmdReset
) == 0)
1629 msleep_interruptible(1);
1632 /* Identify chip attached to board */
1633 rtl8169_get_mac_version(tp
, ioaddr
);
1634 rtl8169_get_phy_version(tp
, ioaddr
);
1636 rtl8169_print_mac_version(tp
);
1637 rtl8169_print_phy_version(tp
);
1639 for (i
= ARRAY_SIZE(rtl_chip_info
) - 1; i
>= 0; i
--) {
1640 if (tp
->mac_version
== rtl_chip_info
[i
].mac_version
)
1644 /* Unknown chip: assume array element #0, original RTL-8169 */
1645 if (netif_msg_probe(tp
)) {
1646 dev_printk(KERN_DEBUG
, &pdev
->dev
,
1647 "unknown chip version, assuming %s\n",
1648 rtl_chip_info
[0].name
);
1654 RTL_W8(Cfg9346
, Cfg9346_Unlock
);
1655 RTL_W8(Config1
, RTL_R8(Config1
) | PMEnable
);
1656 RTL_W8(Config5
, RTL_R8(Config5
) & PMEStatus
);
1657 RTL_W8(Cfg9346
, Cfg9346_Lock
);
1659 if (RTL_R8(PHYstatus
) & TBI_Enable
) {
1660 tp
->set_speed
= rtl8169_set_speed_tbi
;
1661 tp
->get_settings
= rtl8169_gset_tbi
;
1662 tp
->phy_reset_enable
= rtl8169_tbi_reset_enable
;
1663 tp
->phy_reset_pending
= rtl8169_tbi_reset_pending
;
1664 tp
->link_ok
= rtl8169_tbi_link_ok
;
1666 tp
->phy_1000_ctrl_reg
= PHY_Cap_1000_Full
; /* Implied by TBI */
1668 tp
->set_speed
= rtl8169_set_speed_xmii
;
1669 tp
->get_settings
= rtl8169_gset_xmii
;
1670 tp
->phy_reset_enable
= rtl8169_xmii_reset_enable
;
1671 tp
->phy_reset_pending
= rtl8169_xmii_reset_pending
;
1672 tp
->link_ok
= rtl8169_xmii_link_ok
;
1675 /* Get MAC address. FIXME: read EEPROM */
1676 for (i
= 0; i
< MAC_ADDR_LEN
; i
++)
1677 dev
->dev_addr
[i
] = RTL_R8(MAC0
+ i
);
1678 memcpy(dev
->perm_addr
, dev
->dev_addr
, dev
->addr_len
);
1680 dev
->open
= rtl8169_open
;
1681 dev
->hard_start_xmit
= rtl8169_start_xmit
;
1682 dev
->get_stats
= rtl8169_get_stats
;
1683 SET_ETHTOOL_OPS(dev
, &rtl8169_ethtool_ops
);
1684 dev
->stop
= rtl8169_close
;
1685 dev
->tx_timeout
= rtl8169_tx_timeout
;
1686 dev
->set_multicast_list
= rtl8169_set_rx_mode
;
1687 dev
->set_mac_address
= rtl8169_set_mac_addr
;
1688 dev
->watchdog_timeo
= RTL8169_TX_TIMEOUT
;
1689 dev
->irq
= pdev
->irq
;
1690 dev
->base_addr
= (unsigned long) ioaddr
;
1691 dev
->change_mtu
= rtl8169_change_mtu
;
1693 #ifdef CONFIG_R8169_NAPI
1694 dev
->poll
= rtl8169_poll
;
1695 dev
->weight
= R8169_NAPI_WEIGHT
;
1698 #ifdef CONFIG_R8169_VLAN
1699 dev
->features
|= NETIF_F_HW_VLAN_TX
| NETIF_F_HW_VLAN_RX
;
1700 dev
->vlan_rx_register
= rtl8169_vlan_rx_register
;
1701 dev
->vlan_rx_kill_vid
= rtl8169_vlan_rx_kill_vid
;
1704 #ifdef CONFIG_NET_POLL_CONTROLLER
1705 dev
->poll_controller
= rtl8169_netpoll
;
1708 tp
->intr_mask
= 0xffff;
1710 tp
->mmio_addr
= ioaddr
;
1711 tp
->align
= rtl_cfg_info
[ent
->driver_data
].align
;
1713 spin_lock_init(&tp
->lock
);
1715 rc
= register_netdev(dev
);
1717 goto err_out_unmap_5
;
1719 pci_set_drvdata(pdev
, dev
);
1721 if (netif_msg_probe(tp
)) {
1722 printk(KERN_INFO
"%s: %s at 0x%lx, "
1723 "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x, "
1726 rtl_chip_info
[tp
->chipset
].name
,
1728 dev
->dev_addr
[0], dev
->dev_addr
[1],
1729 dev
->dev_addr
[2], dev
->dev_addr
[3],
1730 dev
->dev_addr
[4], dev
->dev_addr
[5], dev
->irq
);
1733 rtl8169_init_phy(dev
, tp
);
1741 pci_release_regions(pdev
);
1743 pci_clear_mwi(pdev
);
1745 pci_disable_device(pdev
);
1751 static void __devexit
1752 rtl8169_remove_one(struct pci_dev
*pdev
)
1754 struct net_device
*dev
= pci_get_drvdata(pdev
);
1755 struct rtl8169_private
*tp
= netdev_priv(dev
);
1757 assert(dev
!= NULL
);
1760 unregister_netdev(dev
);
1761 rtl8169_release_board(pdev
, dev
, tp
->mmio_addr
);
1762 pci_set_drvdata(pdev
, NULL
);
1765 static void rtl8169_set_rxbufsize(struct rtl8169_private
*tp
,
1766 struct net_device
*dev
)
1768 unsigned int mtu
= dev
->mtu
;
1770 tp
->rx_buf_sz
= (mtu
> RX_BUF_SIZE
) ? mtu
+ ETH_HLEN
+ 8 : RX_BUF_SIZE
;
1773 static int rtl8169_open(struct net_device
*dev
)
1775 struct rtl8169_private
*tp
= netdev_priv(dev
);
1776 struct pci_dev
*pdev
= tp
->pci_dev
;
1779 rtl8169_set_rxbufsize(tp
, dev
);
1782 request_irq(dev
->irq
, rtl8169_interrupt
, IRQF_SHARED
, dev
->name
, dev
);
1789 * Rx and Tx desscriptors needs 256 bytes alignment.
1790 * pci_alloc_consistent provides more.
1792 tp
->TxDescArray
= pci_alloc_consistent(pdev
, R8169_TX_RING_BYTES
,
1794 if (!tp
->TxDescArray
)
1797 tp
->RxDescArray
= pci_alloc_consistent(pdev
, R8169_RX_RING_BYTES
,
1799 if (!tp
->RxDescArray
)
1802 retval
= rtl8169_init_ring(dev
);
1806 INIT_WORK(&tp
->task
, NULL
, dev
);
1808 rtl8169_hw_start(dev
);
1810 rtl8169_request_timer(dev
);
1812 rtl8169_check_link_status(dev
, tp
, tp
->mmio_addr
);
1817 pci_free_consistent(pdev
, R8169_RX_RING_BYTES
, tp
->RxDescArray
,
1820 pci_free_consistent(pdev
, R8169_TX_RING_BYTES
, tp
->TxDescArray
,
1823 free_irq(dev
->irq
, dev
);
1827 static void rtl8169_hw_reset(void __iomem
*ioaddr
)
1829 /* Disable interrupts */
1830 rtl8169_irq_mask_and_ack(ioaddr
);
1832 /* Reset the chipset */
1833 RTL_W8(ChipCmd
, CmdReset
);
1840 rtl8169_hw_start(struct net_device
*dev
)
1842 struct rtl8169_private
*tp
= netdev_priv(dev
);
1843 void __iomem
*ioaddr
= tp
->mmio_addr
;
1844 struct pci_dev
*pdev
= tp
->pci_dev
;
1847 /* Soft reset the chip. */
1848 RTL_W8(ChipCmd
, CmdReset
);
1850 /* Check that the chip has finished the reset. */
1851 for (i
= 100; i
> 0; i
--) {
1852 if ((RTL_R8(ChipCmd
) & CmdReset
) == 0)
1854 msleep_interruptible(1);
1857 if (tp
->mac_version
== RTL_GIGA_MAC_VER_13
) {
1858 pci_write_config_word(pdev
, 0x68, 0x00);
1859 pci_write_config_word(pdev
, 0x69, 0x08);
1862 /* Undocumented stuff. */
1863 if (tp
->mac_version
== RTL_GIGA_MAC_VER_05
) {
1866 /* Realtek's r1000_n.c driver uses '&& 0x01' here. Well... */
1867 if ((RTL_R8(Config2
) & 0x07) & 0x01)
1868 RTL_W32(0x7c, 0x0007ffff);
1870 RTL_W32(0x7c, 0x0007ff00);
1872 pci_read_config_word(pdev
, PCI_COMMAND
, &cmd
);
1874 pci_write_config_word(pdev
, PCI_COMMAND
, cmd
);
1878 RTL_W8(Cfg9346
, Cfg9346_Unlock
);
1879 RTL_W8(EarlyTxThres
, EarlyTxThld
);
1881 /* Low hurts. Let's disable the filtering. */
1882 RTL_W16(RxMaxSize
, 16383);
1884 /* Set Rx Config register */
1885 i
= rtl8169_rx_config
|
1886 (RTL_R32(RxConfig
) & rtl_chip_info
[tp
->chipset
].RxConfigMask
);
1887 RTL_W32(RxConfig
, i
);
1889 /* Set DMA burst size and Interframe Gap Time */
1890 RTL_W32(TxConfig
, (TX_DMA_BURST
<< TxDMAShift
) |
1891 (InterFrameGap
<< TxInterFrameGapShift
));
1893 tp
->cp_cmd
|= RTL_R16(CPlusCmd
) | PCIMulRW
;
1895 if ((tp
->mac_version
== RTL_GIGA_MAC_VER_02
) ||
1896 (tp
->mac_version
== RTL_GIGA_MAC_VER_03
)) {
1897 dprintk(KERN_INFO PFX
"Set MAC Reg C+CR Offset 0xE0. "
1898 "Bit-3 and bit-14 MUST be 1\n");
1899 tp
->cp_cmd
|= (1 << 14);
1902 RTL_W16(CPlusCmd
, tp
->cp_cmd
);
1905 * Undocumented corner. Supposedly:
1906 * (TxTimer << 12) | (TxPackets << 8) | (RxTimer << 4) | RxPackets
1908 RTL_W16(IntrMitigate
, 0x0000);
1910 RTL_W32(TxDescStartAddrLow
, ((u64
) tp
->TxPhyAddr
& DMA_32BIT_MASK
));
1911 RTL_W32(TxDescStartAddrHigh
, ((u64
) tp
->TxPhyAddr
>> 32));
1912 RTL_W32(RxDescAddrLow
, ((u64
) tp
->RxPhyAddr
& DMA_32BIT_MASK
));
1913 RTL_W32(RxDescAddrHigh
, ((u64
) tp
->RxPhyAddr
>> 32));
1914 RTL_W8(ChipCmd
, CmdTxEnb
| CmdRxEnb
);
1915 RTL_W8(Cfg9346
, Cfg9346_Lock
);
1917 /* Initially a 10 us delay. Turned it into a PCI commit. - FR */
1920 RTL_W32(RxMissed
, 0);
1922 rtl8169_set_rx_mode(dev
);
1924 /* no early-rx interrupts */
1925 RTL_W16(MultiIntr
, RTL_R16(MultiIntr
) & 0xF000);
1927 /* Enable all known interrupts by setting the interrupt mask. */
1928 RTL_W16(IntrMask
, rtl8169_intr_mask
);
1930 __rtl8169_set_mac_addr(dev
, ioaddr
);
1932 netif_start_queue(dev
);
1935 static int rtl8169_change_mtu(struct net_device
*dev
, int new_mtu
)
1937 struct rtl8169_private
*tp
= netdev_priv(dev
);
1940 if (new_mtu
< ETH_ZLEN
|| new_mtu
> SafeMtu
)
1945 if (!netif_running(dev
))
1950 rtl8169_set_rxbufsize(tp
, dev
);
1952 ret
= rtl8169_init_ring(dev
);
1956 netif_poll_enable(dev
);
1958 rtl8169_hw_start(dev
);
1960 rtl8169_request_timer(dev
);
1966 static inline void rtl8169_make_unusable_by_asic(struct RxDesc
*desc
)
1968 desc
->addr
= 0x0badbadbadbadbadull
;
1969 desc
->opts1
&= ~cpu_to_le32(DescOwn
| RsvdMask
);
1972 static void rtl8169_free_rx_skb(struct rtl8169_private
*tp
,
1973 struct sk_buff
**sk_buff
, struct RxDesc
*desc
)
1975 struct pci_dev
*pdev
= tp
->pci_dev
;
1977 pci_unmap_single(pdev
, le64_to_cpu(desc
->addr
), tp
->rx_buf_sz
,
1978 PCI_DMA_FROMDEVICE
);
1979 dev_kfree_skb(*sk_buff
);
1981 rtl8169_make_unusable_by_asic(desc
);
1984 static inline void rtl8169_mark_to_asic(struct RxDesc
*desc
, u32 rx_buf_sz
)
1986 u32 eor
= le32_to_cpu(desc
->opts1
) & RingEnd
;
1988 desc
->opts1
= cpu_to_le32(DescOwn
| eor
| rx_buf_sz
);
1991 static inline void rtl8169_map_to_asic(struct RxDesc
*desc
, dma_addr_t mapping
,
1994 desc
->addr
= cpu_to_le64(mapping
);
1996 rtl8169_mark_to_asic(desc
, rx_buf_sz
);
1999 static int rtl8169_alloc_rx_skb(struct pci_dev
*pdev
, struct sk_buff
**sk_buff
,
2000 struct RxDesc
*desc
, int rx_buf_sz
,
2003 struct sk_buff
*skb
;
2007 skb
= dev_alloc_skb(rx_buf_sz
+ align
);
2011 skb_reserve(skb
, align
);
2014 mapping
= pci_map_single(pdev
, skb
->data
, rx_buf_sz
,
2015 PCI_DMA_FROMDEVICE
);
2017 rtl8169_map_to_asic(desc
, mapping
, rx_buf_sz
);
2024 rtl8169_make_unusable_by_asic(desc
);
2028 static void rtl8169_rx_clear(struct rtl8169_private
*tp
)
2032 for (i
= 0; i
< NUM_RX_DESC
; i
++) {
2033 if (tp
->Rx_skbuff
[i
]) {
2034 rtl8169_free_rx_skb(tp
, tp
->Rx_skbuff
+ i
,
2035 tp
->RxDescArray
+ i
);
2040 static u32
rtl8169_rx_fill(struct rtl8169_private
*tp
, struct net_device
*dev
,
2045 for (cur
= start
; end
- cur
> 0; cur
++) {
2046 int ret
, i
= cur
% NUM_RX_DESC
;
2048 if (tp
->Rx_skbuff
[i
])
2051 ret
= rtl8169_alloc_rx_skb(tp
->pci_dev
, tp
->Rx_skbuff
+ i
,
2052 tp
->RxDescArray
+ i
, tp
->rx_buf_sz
, tp
->align
);
2059 static inline void rtl8169_mark_as_last_descriptor(struct RxDesc
*desc
)
2061 desc
->opts1
|= cpu_to_le32(RingEnd
);
2064 static void rtl8169_init_ring_indexes(struct rtl8169_private
*tp
)
2066 tp
->dirty_tx
= tp
->dirty_rx
= tp
->cur_tx
= tp
->cur_rx
= 0;
2069 static int rtl8169_init_ring(struct net_device
*dev
)
2071 struct rtl8169_private
*tp
= netdev_priv(dev
);
2073 rtl8169_init_ring_indexes(tp
);
2075 memset(tp
->tx_skb
, 0x0, NUM_TX_DESC
* sizeof(struct ring_info
));
2076 memset(tp
->Rx_skbuff
, 0x0, NUM_RX_DESC
* sizeof(struct sk_buff
*));
2078 if (rtl8169_rx_fill(tp
, dev
, 0, NUM_RX_DESC
) != NUM_RX_DESC
)
2081 rtl8169_mark_as_last_descriptor(tp
->RxDescArray
+ NUM_RX_DESC
- 1);
2086 rtl8169_rx_clear(tp
);
2090 static void rtl8169_unmap_tx_skb(struct pci_dev
*pdev
, struct ring_info
*tx_skb
,
2091 struct TxDesc
*desc
)
2093 unsigned int len
= tx_skb
->len
;
2095 pci_unmap_single(pdev
, le64_to_cpu(desc
->addr
), len
, PCI_DMA_TODEVICE
);
2102 static void rtl8169_tx_clear(struct rtl8169_private
*tp
)
2106 for (i
= tp
->dirty_tx
; i
< tp
->dirty_tx
+ NUM_TX_DESC
; i
++) {
2107 unsigned int entry
= i
% NUM_TX_DESC
;
2108 struct ring_info
*tx_skb
= tp
->tx_skb
+ entry
;
2109 unsigned int len
= tx_skb
->len
;
2112 struct sk_buff
*skb
= tx_skb
->skb
;
2114 rtl8169_unmap_tx_skb(tp
->pci_dev
, tx_skb
,
2115 tp
->TxDescArray
+ entry
);
2120 tp
->stats
.tx_dropped
++;
2123 tp
->cur_tx
= tp
->dirty_tx
= 0;
2126 static void rtl8169_schedule_work(struct net_device
*dev
, void (*task
)(void *))
2128 struct rtl8169_private
*tp
= netdev_priv(dev
);
2130 PREPARE_WORK(&tp
->task
, task
, dev
);
2131 schedule_delayed_work(&tp
->task
, 4);
2134 static void rtl8169_wait_for_quiescence(struct net_device
*dev
)
2136 struct rtl8169_private
*tp
= netdev_priv(dev
);
2137 void __iomem
*ioaddr
= tp
->mmio_addr
;
2139 synchronize_irq(dev
->irq
);
2141 /* Wait for any pending NAPI task to complete */
2142 netif_poll_disable(dev
);
2144 rtl8169_irq_mask_and_ack(ioaddr
);
2146 netif_poll_enable(dev
);
2149 static void rtl8169_reinit_task(void *_data
)
2151 struct net_device
*dev
= _data
;
2154 if (netif_running(dev
)) {
2155 rtl8169_wait_for_quiescence(dev
);
2159 ret
= rtl8169_open(dev
);
2160 if (unlikely(ret
< 0)) {
2161 if (net_ratelimit()) {
2162 struct rtl8169_private
*tp
= netdev_priv(dev
);
2164 if (netif_msg_drv(tp
)) {
2166 "%s: reinit failure (status = %d)."
2167 " Rescheduling.\n", dev
->name
, ret
);
2170 rtl8169_schedule_work(dev
, rtl8169_reinit_task
);
2174 static void rtl8169_reset_task(void *_data
)
2176 struct net_device
*dev
= _data
;
2177 struct rtl8169_private
*tp
= netdev_priv(dev
);
2179 if (!netif_running(dev
))
2182 rtl8169_wait_for_quiescence(dev
);
2184 rtl8169_rx_interrupt(dev
, tp
, tp
->mmio_addr
);
2185 rtl8169_tx_clear(tp
);
2187 if (tp
->dirty_rx
== tp
->cur_rx
) {
2188 rtl8169_init_ring_indexes(tp
);
2189 rtl8169_hw_start(dev
);
2190 netif_wake_queue(dev
);
2192 if (net_ratelimit()) {
2193 struct rtl8169_private
*tp
= netdev_priv(dev
);
2195 if (netif_msg_intr(tp
)) {
2196 printk(PFX KERN_EMERG
2197 "%s: Rx buffers shortage\n", dev
->name
);
2200 rtl8169_schedule_work(dev
, rtl8169_reset_task
);
2204 static void rtl8169_tx_timeout(struct net_device
*dev
)
2206 struct rtl8169_private
*tp
= netdev_priv(dev
);
2208 rtl8169_hw_reset(tp
->mmio_addr
);
2210 /* Let's wait a bit while any (async) irq lands on */
2211 rtl8169_schedule_work(dev
, rtl8169_reset_task
);
2214 static int rtl8169_xmit_frags(struct rtl8169_private
*tp
, struct sk_buff
*skb
,
2217 struct skb_shared_info
*info
= skb_shinfo(skb
);
2218 unsigned int cur_frag
, entry
;
2222 for (cur_frag
= 0; cur_frag
< info
->nr_frags
; cur_frag
++) {
2223 skb_frag_t
*frag
= info
->frags
+ cur_frag
;
2228 entry
= (entry
+ 1) % NUM_TX_DESC
;
2230 txd
= tp
->TxDescArray
+ entry
;
2232 addr
= ((void *) page_address(frag
->page
)) + frag
->page_offset
;
2233 mapping
= pci_map_single(tp
->pci_dev
, addr
, len
, PCI_DMA_TODEVICE
);
2235 /* anti gcc 2.95.3 bugware (sic) */
2236 status
= opts1
| len
| (RingEnd
* !((entry
+ 1) % NUM_TX_DESC
));
2238 txd
->opts1
= cpu_to_le32(status
);
2239 txd
->addr
= cpu_to_le64(mapping
);
2241 tp
->tx_skb
[entry
].len
= len
;
2245 tp
->tx_skb
[entry
].skb
= skb
;
2246 txd
->opts1
|= cpu_to_le32(LastFrag
);
2252 static inline u32
rtl8169_tso_csum(struct sk_buff
*skb
, struct net_device
*dev
)
2254 if (dev
->features
& NETIF_F_TSO
) {
2255 u32 mss
= skb_shinfo(skb
)->gso_size
;
2258 return LargeSend
| ((mss
& MSSMask
) << MSSShift
);
2260 if (skb
->ip_summed
== CHECKSUM_HW
) {
2261 const struct iphdr
*ip
= skb
->nh
.iph
;
2263 if (ip
->protocol
== IPPROTO_TCP
)
2264 return IPCS
| TCPCS
;
2265 else if (ip
->protocol
== IPPROTO_UDP
)
2266 return IPCS
| UDPCS
;
2267 WARN_ON(1); /* we need a WARN() */
2272 static int rtl8169_start_xmit(struct sk_buff
*skb
, struct net_device
*dev
)
2274 struct rtl8169_private
*tp
= netdev_priv(dev
);
2275 unsigned int frags
, entry
= tp
->cur_tx
% NUM_TX_DESC
;
2276 struct TxDesc
*txd
= tp
->TxDescArray
+ entry
;
2277 void __iomem
*ioaddr
= tp
->mmio_addr
;
2281 int ret
= NETDEV_TX_OK
;
2283 if (unlikely(TX_BUFFS_AVAIL(tp
) < skb_shinfo(skb
)->nr_frags
)) {
2284 if (netif_msg_drv(tp
)) {
2286 "%s: BUG! Tx Ring full when queue awake!\n",
2292 if (unlikely(le32_to_cpu(txd
->opts1
) & DescOwn
))
2295 opts1
= DescOwn
| rtl8169_tso_csum(skb
, dev
);
2297 frags
= rtl8169_xmit_frags(tp
, skb
, opts1
);
2299 len
= skb_headlen(skb
);
2304 if (unlikely(len
< ETH_ZLEN
)) {
2305 if (skb_padto(skb
, ETH_ZLEN
))
2306 goto err_update_stats
;
2310 opts1
|= FirstFrag
| LastFrag
;
2311 tp
->tx_skb
[entry
].skb
= skb
;
2314 mapping
= pci_map_single(tp
->pci_dev
, skb
->data
, len
, PCI_DMA_TODEVICE
);
2316 tp
->tx_skb
[entry
].len
= len
;
2317 txd
->addr
= cpu_to_le64(mapping
);
2318 txd
->opts2
= cpu_to_le32(rtl8169_tx_vlan_tag(tp
, skb
));
2322 /* anti gcc 2.95.3 bugware (sic) */
2323 status
= opts1
| len
| (RingEnd
* !((entry
+ 1) % NUM_TX_DESC
));
2324 txd
->opts1
= cpu_to_le32(status
);
2326 dev
->trans_start
= jiffies
;
2328 tp
->cur_tx
+= frags
+ 1;
2332 RTL_W8(TxPoll
, 0x40); /* set polling bit */
2334 if (TX_BUFFS_AVAIL(tp
) < MAX_SKB_FRAGS
) {
2335 netif_stop_queue(dev
);
2337 if (TX_BUFFS_AVAIL(tp
) >= MAX_SKB_FRAGS
)
2338 netif_wake_queue(dev
);
2345 netif_stop_queue(dev
);
2346 ret
= NETDEV_TX_BUSY
;
2348 tp
->stats
.tx_dropped
++;
2352 static void rtl8169_pcierr_interrupt(struct net_device
*dev
)
2354 struct rtl8169_private
*tp
= netdev_priv(dev
);
2355 struct pci_dev
*pdev
= tp
->pci_dev
;
2356 void __iomem
*ioaddr
= tp
->mmio_addr
;
2357 u16 pci_status
, pci_cmd
;
2359 pci_read_config_word(pdev
, PCI_COMMAND
, &pci_cmd
);
2360 pci_read_config_word(pdev
, PCI_STATUS
, &pci_status
);
2362 if (netif_msg_intr(tp
)) {
2364 "%s: PCI error (cmd = 0x%04x, status = 0x%04x).\n",
2365 dev
->name
, pci_cmd
, pci_status
);
2369 * The recovery sequence below admits a very elaborated explanation:
2370 * - it seems to work;
2371 * - I did not see what else could be done.
2373 * Feel free to adjust to your needs.
2375 pci_write_config_word(pdev
, PCI_COMMAND
,
2376 pci_cmd
| PCI_COMMAND_SERR
| PCI_COMMAND_PARITY
);
2378 pci_write_config_word(pdev
, PCI_STATUS
,
2379 pci_status
& (PCI_STATUS_DETECTED_PARITY
|
2380 PCI_STATUS_SIG_SYSTEM_ERROR
| PCI_STATUS_REC_MASTER_ABORT
|
2381 PCI_STATUS_REC_TARGET_ABORT
| PCI_STATUS_SIG_TARGET_ABORT
));
2383 /* The infamous DAC f*ckup only happens at boot time */
2384 if ((tp
->cp_cmd
& PCIDAC
) && !tp
->dirty_rx
&& !tp
->cur_rx
) {
2385 if (netif_msg_intr(tp
))
2386 printk(KERN_INFO
"%s: disabling PCI DAC.\n", dev
->name
);
2387 tp
->cp_cmd
&= ~PCIDAC
;
2388 RTL_W16(CPlusCmd
, tp
->cp_cmd
);
2389 dev
->features
&= ~NETIF_F_HIGHDMA
;
2390 rtl8169_schedule_work(dev
, rtl8169_reinit_task
);
2393 rtl8169_hw_reset(ioaddr
);
2397 rtl8169_tx_interrupt(struct net_device
*dev
, struct rtl8169_private
*tp
,
2398 void __iomem
*ioaddr
)
2400 unsigned int dirty_tx
, tx_left
;
2402 assert(dev
!= NULL
);
2404 assert(ioaddr
!= NULL
);
2406 dirty_tx
= tp
->dirty_tx
;
2408 tx_left
= tp
->cur_tx
- dirty_tx
;
2410 while (tx_left
> 0) {
2411 unsigned int entry
= dirty_tx
% NUM_TX_DESC
;
2412 struct ring_info
*tx_skb
= tp
->tx_skb
+ entry
;
2413 u32 len
= tx_skb
->len
;
2417 status
= le32_to_cpu(tp
->TxDescArray
[entry
].opts1
);
2418 if (status
& DescOwn
)
2421 tp
->stats
.tx_bytes
+= len
;
2422 tp
->stats
.tx_packets
++;
2424 rtl8169_unmap_tx_skb(tp
->pci_dev
, tx_skb
, tp
->TxDescArray
+ entry
);
2426 if (status
& LastFrag
) {
2427 dev_kfree_skb_irq(tx_skb
->skb
);
2434 if (tp
->dirty_tx
!= dirty_tx
) {
2435 tp
->dirty_tx
= dirty_tx
;
2437 if (netif_queue_stopped(dev
) &&
2438 (TX_BUFFS_AVAIL(tp
) >= MAX_SKB_FRAGS
)) {
2439 netif_wake_queue(dev
);
2444 static inline int rtl8169_fragmented_frame(u32 status
)
2446 return (status
& (FirstFrag
| LastFrag
)) != (FirstFrag
| LastFrag
);
2449 static inline void rtl8169_rx_csum(struct sk_buff
*skb
, struct RxDesc
*desc
)
2451 u32 opts1
= le32_to_cpu(desc
->opts1
);
2452 u32 status
= opts1
& RxProtoMask
;
2454 if (((status
== RxProtoTCP
) && !(opts1
& TCPFail
)) ||
2455 ((status
== RxProtoUDP
) && !(opts1
& UDPFail
)) ||
2456 ((status
== RxProtoIP
) && !(opts1
& IPFail
)))
2457 skb
->ip_summed
= CHECKSUM_UNNECESSARY
;
2459 skb
->ip_summed
= CHECKSUM_NONE
;
2462 static inline int rtl8169_try_rx_copy(struct sk_buff
**sk_buff
, int pkt_size
,
2463 struct RxDesc
*desc
, int rx_buf_sz
,
2468 if (pkt_size
< rx_copybreak
) {
2469 struct sk_buff
*skb
;
2471 skb
= dev_alloc_skb(pkt_size
+ align
);
2473 skb_reserve(skb
, align
);
2474 eth_copy_and_sum(skb
, sk_buff
[0]->data
, pkt_size
, 0);
2476 rtl8169_mark_to_asic(desc
, rx_buf_sz
);
2484 rtl8169_rx_interrupt(struct net_device
*dev
, struct rtl8169_private
*tp
,
2485 void __iomem
*ioaddr
)
2487 unsigned int cur_rx
, rx_left
;
2488 unsigned int delta
, count
;
2490 assert(dev
!= NULL
);
2492 assert(ioaddr
!= NULL
);
2494 cur_rx
= tp
->cur_rx
;
2495 rx_left
= NUM_RX_DESC
+ tp
->dirty_rx
- cur_rx
;
2496 rx_left
= rtl8169_rx_quota(rx_left
, (u32
) dev
->quota
);
2498 for (; rx_left
> 0; rx_left
--, cur_rx
++) {
2499 unsigned int entry
= cur_rx
% NUM_RX_DESC
;
2500 struct RxDesc
*desc
= tp
->RxDescArray
+ entry
;
2504 status
= le32_to_cpu(desc
->opts1
);
2506 if (status
& DescOwn
)
2508 if (unlikely(status
& RxRES
)) {
2509 if (netif_msg_rx_err(tp
)) {
2511 "%s: Rx ERROR. status = %08x\n",
2514 tp
->stats
.rx_errors
++;
2515 if (status
& (RxRWT
| RxRUNT
))
2516 tp
->stats
.rx_length_errors
++;
2518 tp
->stats
.rx_crc_errors
++;
2519 if (status
& RxFOVF
) {
2520 rtl8169_schedule_work(dev
, rtl8169_reset_task
);
2521 tp
->stats
.rx_fifo_errors
++;
2523 rtl8169_mark_to_asic(desc
, tp
->rx_buf_sz
);
2525 struct sk_buff
*skb
= tp
->Rx_skbuff
[entry
];
2526 int pkt_size
= (status
& 0x00001FFF) - 4;
2527 void (*pci_action
)(struct pci_dev
*, dma_addr_t
,
2528 size_t, int) = pci_dma_sync_single_for_device
;
2531 * The driver does not support incoming fragmented
2532 * frames. They are seen as a symptom of over-mtu
2535 if (unlikely(rtl8169_fragmented_frame(status
))) {
2536 tp
->stats
.rx_dropped
++;
2537 tp
->stats
.rx_length_errors
++;
2538 rtl8169_mark_to_asic(desc
, tp
->rx_buf_sz
);
2542 rtl8169_rx_csum(skb
, desc
);
2544 pci_dma_sync_single_for_cpu(tp
->pci_dev
,
2545 le64_to_cpu(desc
->addr
), tp
->rx_buf_sz
,
2546 PCI_DMA_FROMDEVICE
);
2548 if (rtl8169_try_rx_copy(&skb
, pkt_size
, desc
,
2549 tp
->rx_buf_sz
, tp
->align
)) {
2550 pci_action
= pci_unmap_single
;
2551 tp
->Rx_skbuff
[entry
] = NULL
;
2554 pci_action(tp
->pci_dev
, le64_to_cpu(desc
->addr
),
2555 tp
->rx_buf_sz
, PCI_DMA_FROMDEVICE
);
2558 skb_put(skb
, pkt_size
);
2559 skb
->protocol
= eth_type_trans(skb
, dev
);
2561 if (rtl8169_rx_vlan_skb(tp
, desc
, skb
) < 0)
2562 rtl8169_rx_skb(skb
);
2564 dev
->last_rx
= jiffies
;
2565 tp
->stats
.rx_bytes
+= pkt_size
;
2566 tp
->stats
.rx_packets
++;
2570 count
= cur_rx
- tp
->cur_rx
;
2571 tp
->cur_rx
= cur_rx
;
2573 delta
= rtl8169_rx_fill(tp
, dev
, tp
->dirty_rx
, tp
->cur_rx
);
2574 if (!delta
&& count
&& netif_msg_intr(tp
))
2575 printk(KERN_INFO
"%s: no Rx buffer allocated\n", dev
->name
);
2576 tp
->dirty_rx
+= delta
;
2579 * FIXME: until there is periodic timer to try and refill the ring,
2580 * a temporary shortage may definitely kill the Rx process.
2581 * - disable the asic to try and avoid an overflow and kick it again
2583 * - how do others driver handle this condition (Uh oh...).
2585 if ((tp
->dirty_rx
+ NUM_RX_DESC
== tp
->cur_rx
) && netif_msg_intr(tp
))
2586 printk(KERN_EMERG
"%s: Rx buffers exhausted\n", dev
->name
);
2591 /* The interrupt handler does all of the Rx thread work and cleans up after the Tx thread. */
2593 rtl8169_interrupt(int irq
, void *dev_instance
, struct pt_regs
*regs
)
2595 struct net_device
*dev
= (struct net_device
*) dev_instance
;
2596 struct rtl8169_private
*tp
= netdev_priv(dev
);
2597 int boguscnt
= max_interrupt_work
;
2598 void __iomem
*ioaddr
= tp
->mmio_addr
;
2603 status
= RTL_R16(IntrStatus
);
2605 /* hotplug/major error/no more work/shared irq */
2606 if ((status
== 0xFFFF) || !status
)
2611 if (unlikely(!netif_running(dev
))) {
2612 rtl8169_asic_down(ioaddr
);
2616 status
&= tp
->intr_mask
;
2618 (status
& RxFIFOOver
) ? (status
| RxOverflow
) : status
);
2620 if (!(status
& rtl8169_intr_mask
))
2623 if (unlikely(status
& SYSErr
)) {
2624 rtl8169_pcierr_interrupt(dev
);
2628 if (status
& LinkChg
)
2629 rtl8169_check_link_status(dev
, tp
, ioaddr
);
2631 #ifdef CONFIG_R8169_NAPI
2632 RTL_W16(IntrMask
, rtl8169_intr_mask
& ~rtl8169_napi_event
);
2633 tp
->intr_mask
= ~rtl8169_napi_event
;
2635 if (likely(netif_rx_schedule_prep(dev
)))
2636 __netif_rx_schedule(dev
);
2637 else if (netif_msg_intr(tp
)) {
2638 printk(KERN_INFO
"%s: interrupt %04x taken in poll\n",
2644 if (status
& (RxOK
| RxOverflow
| RxFIFOOver
)) {
2645 rtl8169_rx_interrupt(dev
, tp
, ioaddr
);
2648 if (status
& (TxOK
| TxErr
))
2649 rtl8169_tx_interrupt(dev
, tp
, ioaddr
);
2653 } while (boguscnt
> 0);
2655 if (boguscnt
<= 0) {
2656 if (netif_msg_intr(tp
) && net_ratelimit() ) {
2658 "%s: Too much work at interrupt!\n", dev
->name
);
2660 /* Clear all interrupt sources. */
2661 RTL_W16(IntrStatus
, 0xffff);
2664 return IRQ_RETVAL(handled
);
2667 #ifdef CONFIG_R8169_NAPI
2668 static int rtl8169_poll(struct net_device
*dev
, int *budget
)
2670 unsigned int work_done
, work_to_do
= min(*budget
, dev
->quota
);
2671 struct rtl8169_private
*tp
= netdev_priv(dev
);
2672 void __iomem
*ioaddr
= tp
->mmio_addr
;
2674 work_done
= rtl8169_rx_interrupt(dev
, tp
, ioaddr
);
2675 rtl8169_tx_interrupt(dev
, tp
, ioaddr
);
2677 *budget
-= work_done
;
2678 dev
->quota
-= work_done
;
2680 if (work_done
< work_to_do
) {
2681 netif_rx_complete(dev
);
2682 tp
->intr_mask
= 0xffff;
2684 * 20040426: the barrier is not strictly required but the
2685 * behavior of the irq handler could be less predictable
2686 * without it. Btw, the lack of flush for the posted pci
2687 * write is safe - FR
2690 RTL_W16(IntrMask
, rtl8169_intr_mask
);
2693 return (work_done
>= work_to_do
);
2697 static void rtl8169_down(struct net_device
*dev
)
2699 struct rtl8169_private
*tp
= netdev_priv(dev
);
2700 void __iomem
*ioaddr
= tp
->mmio_addr
;
2701 unsigned int poll_locked
= 0;
2703 rtl8169_delete_timer(dev
);
2705 netif_stop_queue(dev
);
2707 flush_scheduled_work();
2710 spin_lock_irq(&tp
->lock
);
2712 rtl8169_asic_down(ioaddr
);
2714 /* Update the error counts. */
2715 tp
->stats
.rx_missed_errors
+= RTL_R32(RxMissed
);
2716 RTL_W32(RxMissed
, 0);
2718 spin_unlock_irq(&tp
->lock
);
2720 synchronize_irq(dev
->irq
);
2723 netif_poll_disable(dev
);
2727 /* Give a racing hard_start_xmit a few cycles to complete. */
2728 synchronize_sched(); /* FIXME: should this be synchronize_irq()? */
2731 * And now for the 50k$ question: are IRQ disabled or not ?
2733 * Two paths lead here:
2735 * -> netif_running() is available to sync the current code and the
2736 * IRQ handler. See rtl8169_interrupt for details.
2737 * 2) dev->change_mtu
2738 * -> rtl8169_poll can not be issued again and re-enable the
2739 * interruptions. Let's simply issue the IRQ down sequence again.
2741 if (RTL_R16(IntrMask
))
2744 rtl8169_tx_clear(tp
);
2746 rtl8169_rx_clear(tp
);
2749 static int rtl8169_close(struct net_device
*dev
)
2751 struct rtl8169_private
*tp
= netdev_priv(dev
);
2752 struct pci_dev
*pdev
= tp
->pci_dev
;
2756 free_irq(dev
->irq
, dev
);
2758 netif_poll_enable(dev
);
2760 pci_free_consistent(pdev
, R8169_RX_RING_BYTES
, tp
->RxDescArray
,
2762 pci_free_consistent(pdev
, R8169_TX_RING_BYTES
, tp
->TxDescArray
,
2764 tp
->TxDescArray
= NULL
;
2765 tp
->RxDescArray
= NULL
;
2771 rtl8169_set_rx_mode(struct net_device
*dev
)
2773 struct rtl8169_private
*tp
= netdev_priv(dev
);
2774 void __iomem
*ioaddr
= tp
->mmio_addr
;
2775 unsigned long flags
;
2776 u32 mc_filter
[2]; /* Multicast hash filter */
2780 if (dev
->flags
& IFF_PROMISC
) {
2781 /* Unconditionally log net taps. */
2782 if (netif_msg_link(tp
)) {
2783 printk(KERN_NOTICE
"%s: Promiscuous mode enabled.\n",
2787 AcceptBroadcast
| AcceptMulticast
| AcceptMyPhys
|
2789 mc_filter
[1] = mc_filter
[0] = 0xffffffff;
2790 } else if ((dev
->mc_count
> multicast_filter_limit
)
2791 || (dev
->flags
& IFF_ALLMULTI
)) {
2792 /* Too many to filter perfectly -- accept all multicasts. */
2793 rx_mode
= AcceptBroadcast
| AcceptMulticast
| AcceptMyPhys
;
2794 mc_filter
[1] = mc_filter
[0] = 0xffffffff;
2796 struct dev_mc_list
*mclist
;
2797 rx_mode
= AcceptBroadcast
| AcceptMyPhys
;
2798 mc_filter
[1] = mc_filter
[0] = 0;
2799 for (i
= 0, mclist
= dev
->mc_list
; mclist
&& i
< dev
->mc_count
;
2800 i
++, mclist
= mclist
->next
) {
2801 int bit_nr
= ether_crc(ETH_ALEN
, mclist
->dmi_addr
) >> 26;
2802 mc_filter
[bit_nr
>> 5] |= 1 << (bit_nr
& 31);
2803 rx_mode
|= AcceptMulticast
;
2807 spin_lock_irqsave(&tp
->lock
, flags
);
2809 tmp
= rtl8169_rx_config
| rx_mode
|
2810 (RTL_R32(RxConfig
) & rtl_chip_info
[tp
->chipset
].RxConfigMask
);
2812 if ((tp
->mac_version
== RTL_GIGA_MAC_VER_11
) ||
2813 (tp
->mac_version
== RTL_GIGA_MAC_VER_12
) ||
2814 (tp
->mac_version
== RTL_GIGA_MAC_VER_13
) ||
2815 (tp
->mac_version
== RTL_GIGA_MAC_VER_14
) ||
2816 (tp
->mac_version
== RTL_GIGA_MAC_VER_15
)) {
2817 mc_filter
[0] = 0xffffffff;
2818 mc_filter
[1] = 0xffffffff;
2821 RTL_W32(RxConfig
, tmp
);
2822 RTL_W32(MAR0
+ 0, mc_filter
[0]);
2823 RTL_W32(MAR0
+ 4, mc_filter
[1]);
2825 spin_unlock_irqrestore(&tp
->lock
, flags
);
2829 * rtl8169_get_stats - Get rtl8169 read/write statistics
2830 * @dev: The Ethernet Device to get statistics for
2832 * Get TX/RX statistics for rtl8169
2834 static struct net_device_stats
*rtl8169_get_stats(struct net_device
*dev
)
2836 struct rtl8169_private
*tp
= netdev_priv(dev
);
2837 void __iomem
*ioaddr
= tp
->mmio_addr
;
2838 unsigned long flags
;
2840 if (netif_running(dev
)) {
2841 spin_lock_irqsave(&tp
->lock
, flags
);
2842 tp
->stats
.rx_missed_errors
+= RTL_R32(RxMissed
);
2843 RTL_W32(RxMissed
, 0);
2844 spin_unlock_irqrestore(&tp
->lock
, flags
);
2852 static int rtl8169_suspend(struct pci_dev
*pdev
, pm_message_t state
)
2854 struct net_device
*dev
= pci_get_drvdata(pdev
);
2855 struct rtl8169_private
*tp
= netdev_priv(dev
);
2856 void __iomem
*ioaddr
= tp
->mmio_addr
;
2858 if (!netif_running(dev
))
2861 netif_device_detach(dev
);
2862 netif_stop_queue(dev
);
2864 spin_lock_irq(&tp
->lock
);
2866 rtl8169_asic_down(ioaddr
);
2868 tp
->stats
.rx_missed_errors
+= RTL_R32(RxMissed
);
2869 RTL_W32(RxMissed
, 0);
2871 spin_unlock_irq(&tp
->lock
);
2873 pci_save_state(pdev
);
2874 pci_enable_wake(pdev
, pci_choose_state(pdev
, state
), tp
->wol_enabled
);
2875 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
2880 static int rtl8169_resume(struct pci_dev
*pdev
)
2882 struct net_device
*dev
= pci_get_drvdata(pdev
);
2884 if (!netif_running(dev
))
2887 netif_device_attach(dev
);
2889 pci_set_power_state(pdev
, PCI_D0
);
2890 pci_restore_state(pdev
);
2891 pci_enable_wake(pdev
, PCI_D0
, 0);
2893 rtl8169_schedule_work(dev
, rtl8169_reset_task
);
2898 #endif /* CONFIG_PM */
2900 static struct pci_driver rtl8169_pci_driver
= {
2902 .id_table
= rtl8169_pci_tbl
,
2903 .probe
= rtl8169_init_one
,
2904 .remove
= __devexit_p(rtl8169_remove_one
),
2906 .suspend
= rtl8169_suspend
,
2907 .resume
= rtl8169_resume
,
2912 rtl8169_init_module(void)
2914 return pci_module_init(&rtl8169_pci_driver
);
2918 rtl8169_cleanup_module(void)
2920 pci_unregister_driver(&rtl8169_pci_driver
);
2923 module_init(rtl8169_init_module
);
2924 module_exit(rtl8169_cleanup_module
);