Here's an idea: don't add interrupt handlers when they've already been
[AROS.git] / workbench / devs / networks / rtl8168 / rtl8168.h
blob0d4df644c0535cbdd0d669bcae4770db75a5353f
1 #ifndef _RTL8168_H
2 #define _RTL8168_H
4 /*
5 * $Id$
6 */
8 /*
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 MA 02111-1307, USA.
25 #include <aros/debug.h>
27 #if DEBUG > 0
28 #define RTL_DEBUG
29 //#define RTL_DEBUG_PACKET
30 #endif
32 #define RTLD(d) \
33 if (unit->rtl8168u_flags & IFF_DEBUG) \
34 { \
35 d; \
38 #if defined(RTL_DEBUG_PACKET)
39 #define RTLDP(d) \
40 if (unit->rtl8168u_flags & IFF_DEBUG) \
41 { \
42 d; \
44 #else
45 #define RTLDP(d)
46 #endif
48 //#define HAVE__PCI_MWI
50 #include <exec/types.h>
51 #include <exec/libraries.h>
52 #include <exec/semaphores.h>
53 #include <exec/devices.h>
54 #include <exec/interrupts.h>
55 #include <dos/bptr.h>
57 #include <oop/oop.h>
59 #include <hidd/pci.h>
61 #include <devices/timer.h>
62 #include <devices/sana2.h>
63 #include <devices/sana2specialstats.h>
65 #include <proto/exec.h>
67 #include LC_LIBDEFS_FILE
69 #define net_device RTL8168Unit
71 #define RTL8168_TASK_NAME "%s.task"
72 #define RTL8168_PORT_NAME "%s.port"
74 /** Operational parameters that are set at compile time **/
75 #define ETH_ZLEN 60 // Min. octets in frame sans FCS
77 // Maximum size of the in-memory receive ring (smaller if no memory)
78 #define RX_FIFO_THRESH 4 // Rx buffer level before first PCI xfer
80 // Size of the Tx bounce buffers -- must be at least (mtu+14+4)
81 #define TX_BUF_SIZE 1536
82 #define TX_FIFO_THRESH 256 // In bytes, rounded down to 32 byte units
83 #define TX_DMA_BURST 4 // Calculate as 16 << val
85 /** Device Driver Structures **/
87 extern struct Library *OOPBase;
89 struct RTL8168Base {
90 struct Device rtl8168b_Device;
92 OOP_Object *rtl8168b_PCI;
93 OOP_AttrBase rtl8168b_PCIDeviceAttrBase;
95 ULONG rtl8168b_UnitCount;
96 struct List rtl8168b_Units;
98 /* TODO: move into a config block */
99 /* Maximum events (Rx packets, etc.) to handle at each interrupt. */
100 int rtl8168b_MaxIntWork;
102 /* Maximum number of multicast addresses to filter (vs. Rx-all-multicast).
103 The RTL chips use a 64 element hash table based on the Ethernet CRC. */
104 int rtl8168b_MulticastFilterLimit;
106 /* media options */
107 #define MAX_UNITS 8
108 int speed[MAX_UNITS];
109 int duplex[MAX_UNITS];
110 int autoneg[MAX_UNITS];
113 #undef HiddPCIDeviceAttrBase
114 #define HiddPCIDeviceAttrBase (LIBBASE->rtl8168b_PCIDeviceAttrBase)
116 struct RTL8168Startup
118 struct MsgPort *rtl8168sm_SyncPort;
119 struct RTL8168Unit *rtl8168sm_Unit;
122 enum {
123 WRITE_QUEUE,
124 ADOPT_QUEUE,
125 EVENT_QUEUE,
126 GENERAL_QUEUE,
127 REQUEST_QUEUE_COUNT
130 struct Opener
132 struct MinNode node;
133 struct MsgPort read_port;
134 BOOL (*rx_function)(APTR, APTR, ULONG);
135 BOOL (*tx_function)(APTR, APTR, ULONG);
136 struct Hook *filter_hook;
137 struct MinList initial_stats;
140 struct TypeStats
142 struct MinNode node;
143 ULONG packet_type;
144 struct Sana2PacketTypeStats stats;
148 struct TypeTracker
150 struct MinNode node;
151 ULONG packet_type;
152 struct Sana2PacketTypeStats stats;
153 ULONG user_count;
157 struct AddressRange
159 struct MinNode node;
160 ULONG add_count;
161 ULONG lower_bound_left;
162 ULONG upper_bound_left;
163 UWORD lower_bound_right;
164 UWORD upper_bound_right;
167 #define STAT_COUNT 3
169 struct RTL8168Unit {
170 struct MinNode rtl8168u_Node;
172 struct RTL8168Base *rtl8168u_device;
174 STRPTR rtl8168u_name;
176 ULONG rtl8168u_UnitNum;
177 IPTR rtl8168u_DriverFlags;
179 OOP_Object *rtl8168u_PCIDevice;
180 OOP_Object *rtl8168u_PCIDriver;
181 IPTR rtl8168u_IRQ;
183 int rtl8168u_open_count;
184 struct SignalSemaphore rtl8168u_unit_lock;
186 LONG rtl8168u_range_count;
187 struct MinList rtl8168u_Openers;
188 struct MinList rtl8168u_multicast_ranges;
189 struct MinList rtl8168u_type_trackers;
191 struct timeval rtl8168u_toutPOLL;
192 BOOL rtl8168u_toutNEED;
193 BOOL rtl8168u_IntsAdded;
195 struct MsgPort *rtl8168u_TimerSlowPort;
196 struct timerequest *rtl8168u_TimerSlowReq;
198 struct MsgPort *rtl8168u_TimerFastPort;
199 struct timerequest *rtl8168u_TimerFastReq;
201 struct MsgPort rtl8168u_DelayPort;
202 struct timerequest rtl8168u_DelayReq;
204 ULONG rtl8168u_mtu;
205 ULONG rtl8168u_flags;
206 struct Sana2DeviceQuery rtl8168u_Sana2Info;
207 struct Sana2DeviceStats rtl8168u_stats;
208 ULONG rtl8168u_special_stats[STAT_COUNT];
210 char *rtl8168u_rtl_cardname;
211 const char *rtl8168u_rtl_chipname;
212 ULONG rtl8168u_rtl_chipcapabilities;
214 ULONG rtl8168u_rtl_LinkSpeed;
215 #define support_fdx (1 << 0) // Supports Full Duplex
216 #define support_mii (1 << 1)
217 #define support_fset (1 << 2)
218 #define support_ltint (1 << 3)
219 #define support_dxsuflo (1 << 4)
220 /* Card Funcs */
221 void (*initialize)(struct RTL8168Unit *);
222 void (*deinitialize)(struct RTL8168Unit *);
223 int (*start)(struct RTL8168Unit *);
224 int (*stop)(struct RTL8168Unit *);
225 int (*alloc_rx)(struct RTL8168Unit *);
226 void (*set_mac_address)(struct RTL8168Unit *);
227 void (*linkchange)(struct RTL8168Unit *);
228 void (*linkirq)(struct RTL8168Unit *);
229 // ULONG (*descr_getlength)(struct ring_desc *prd, ULONG v);
230 void (*set_multicast)(struct RTL8168Unit *);
232 struct Process *rtl8168u_Process;
234 struct Interrupt rtl8168u_irqhandler;
235 struct Interrupt rtl8168u_touthandler;
236 IPTR rtl8168u_DeviceID;
237 APTR rtl8168u_BaseMem;
238 IPTR rtl8168u_SizeMem;
239 APTR rtl8168u_BaseIO;
241 BYTE rtl8168u_signal_0;
242 BYTE rtl8168u_signal_1;
243 BYTE rtl8168u_signal_2;
244 BYTE rtl8168u_signal_3;
246 struct MsgPort *rtl8168u_input_port;
248 struct MsgPort *rtl8168u_request_ports[REQUEST_QUEUE_COUNT];
250 struct Interrupt rtl8168u_rx_int;
251 struct Interrupt rtl8168u_tx_int;
253 ULONG rtl8168u_state;
254 APTR rtl8168u_mc_list;
255 int rtl8168u_mc_count;
257 UBYTE rtl8168u_dev_addr[6];
258 UBYTE rtl8168u_org_addr[6];
259 struct rtl8168_priv *rtl8168u_priv;
261 UWORD rtl8168u_intr_mask;
264 void handle_request(LIBBASETYPEPTR, struct IOSana2Req *);
266 /* Media selection options. */
267 enum {
268 IF_PORT_UNKNOWN = 0,
269 IF_PORT_10BASE2,
270 IF_PORT_10BASET,
271 IF_PORT_AUI,
272 IF_PORT_100BASET,
273 IF_PORT_100BASETX,
274 IF_PORT_100BASEFX
277 /* Standard interface flags (netdevice->flags). */
278 #define IFF_UP 0x1 /* interface is up */
279 #define IFF_BROADCAST 0x2 /* broadcast address valid */
280 #define IFF_DEBUG 0x4 /* turn on debugging */
281 #define IFF_LOOPBACK 0x8 /* is a loopback net */
282 #define IFF_POINTOPOINT 0x10 /* interface is has p-p link */
283 #define IFF_NOTRAILERS 0x20 /* avoid use of trailers */
284 #define IFF_RUNNING 0x40 /* resources allocated */
285 #define IFF_NOARP 0x80 /* no ARP protocol */
286 #define IFF_PROMISC 0x100 /* receive all packets */
287 #define IFF_ALLMULTI 0x200 /* receive all multicast packets*/
289 #define IFF_MASTER 0x400 /* master of a load balancer */
290 #define IFF_SLAVE 0x800 /* slave of a load balancer */
292 #define IFF_MULTICAST 0x1000 /* Supports multicast */
294 #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_MASTER|IFF_SLAVE|IFF_RUNNING)
296 #define IFF_PORTSEL 0x2000 /* can set media type */
297 #define IFF_AUTOMEDIA 0x4000 /* auto media select active */
298 #define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses*/
299 #define IFF_SHARED 0x10000 /* interface may be shared */
300 #define IFF_CONFIGURED 0x20000 /* interface already configured */
302 /* These flag bits are private to the generic network queueing
303 * layer, they may not be explicitly referenced by any other
304 * code.
307 enum netdev_state_t
309 __LINK_STATE_XOFF=0,
310 __LINK_STATE_START,
311 __LINK_STATE_PRESENT,
312 __LINK_STATE_SCHED,
313 __LINK_STATE_NOCARRIER,
314 __LINK_STATE_RX_SCHED,
315 __LINK_STATE_LINKWATCH_PENDING
318 static inline int test_bit(int nr, const volatile ULONG *addr)
320 return ((1UL << (nr & 31)) & (addr[nr >> 5])) != 0;
323 static inline void set_bit(int nr, volatile ULONG *addr)
325 addr[nr >> 5] |= 1UL << (nr & 31);
328 static inline void clear_bit(int nr, volatile ULONG *addr)
330 addr[nr >> 5] &= ~(1UL << (nr & 31));
333 static inline int test_and_set_bit(int nr, volatile ULONG *addr)
335 int oldbit = test_bit(nr, addr);
336 set_bit(nr, addr);
337 return oldbit;
340 static inline int test_and_clear_bit(int nr, volatile ULONG *addr)
342 int oldbit = test_bit(nr, addr);
343 clear_bit(nr, addr);
344 return oldbit;
347 static inline void netif_schedule(struct RTL8168Unit *unit)
349 if (!test_bit(__LINK_STATE_XOFF, &unit->rtl8168u_state)) {
350 Cause(&unit->rtl8168u_tx_int);
354 static inline void netif_start_queue(struct RTL8168Unit *unit)
356 clear_bit(__LINK_STATE_XOFF, &unit->rtl8168u_state);
359 static inline void netif_wake_queue(struct RTL8168Unit *unit)
361 if (test_and_clear_bit(__LINK_STATE_XOFF, &unit->rtl8168u_state)) {
362 Cause(&unit->rtl8168u_tx_int);
366 static inline void netif_stop_queue(struct RTL8168Unit *unit)
368 set_bit(__LINK_STATE_XOFF, &unit->rtl8168u_state);
371 static inline int netif_queue_stopped(const struct RTL8168Unit *unit)
373 return test_bit(__LINK_STATE_XOFF, &unit->rtl8168u_state);
376 static inline int netif_running(const struct RTL8168Unit *unit)
378 return test_bit(__LINK_STATE_START, &unit->rtl8168u_state);
381 static inline int netif_carrier_ok(const struct RTL8168Unit *unit)
383 return !test_bit(__LINK_STATE_NOCARRIER, &unit->rtl8168u_state);
386 extern VOID ReportEvents(struct RTL8168Base *, struct RTL8168Unit *, ULONG);
388 static inline void netif_carrier_on(struct RTL8168Unit *unit)
390 if (test_and_clear_bit(__LINK_STATE_NOCARRIER, &unit->rtl8168u_state)) {
391 unit->rtl8168u_flags |= IFF_UP;
392 RTLD(bug("[%s] %s: Device set as ONLINE\n",unit->rtl8168u_name, __PRETTY_FUNCTION__))
393 ReportEvents(unit->rtl8168u_device, unit, S2EVENT_ONLINE);
397 static inline void netif_carrier_off(struct RTL8168Unit *unit)
399 if (!test_and_set_bit(__LINK_STATE_NOCARRIER, &unit->rtl8168u_state)) {
400 unit->rtl8168u_flags &= ~IFF_UP;
401 RTLD(bug("[%s] %s: Device set as OFFLINE\n",unit->rtl8168u_name, __PRETTY_FUNCTION__))
402 ReportEvents(unit->rtl8168u_device, unit, S2EVENT_OFFLINE);
407 * We tag multicasts with these structures.
410 #define MAX_ADDR_LEN 32
412 struct dev_mc_list
414 struct dev_mc_list *next;
415 UBYTE dmi_addr[MAX_ADDR_LEN];
416 unsigned char dmi_addrlen;
417 int dmi_users;
418 int dmi_gusers;
421 struct pci_resource {
422 UBYTE cmd;
423 UBYTE cls;
424 UWORD io_base_h;
425 UWORD io_base_l;
426 UWORD mem_base_h;
427 UWORD mem_base_l;
428 UBYTE ilr;
429 UWORD resv_0x20_h;
430 UWORD resv_0x20_l;
431 UWORD resv_0x24_h;
432 UWORD resv_0x24_l;
435 struct rtl8168_priv {
436 struct RTL8168Unit *pci_dev;
438 int chipset;
439 int mcfg;
440 UWORD cp_cmd;
441 unsigned features;
443 UWORD intr_mask;
445 int phy_auto_nego_reg;
446 int phy_1000_ctrl_reg;
448 UBYTE autoneg;
449 UWORD speed;
450 UBYTE duplex;
452 struct TxDesc *TxDescArray; /* 256-aligned Tx descriptor ring */
453 struct RxDesc *RxDescArray; /* 256-aligned Rx descriptor ring */
454 APTR TxPhyAddr;
455 APTR RxPhyAddr;
457 unsigned int rtl8168_rx_config;
459 unsigned rx_buf_sz;
461 int rx_fifo_overflow;
463 ULONG tx_tcp_csum_cmd;
464 ULONG tx_udp_csum_cmd;
465 ULONG tx_ip_csum_cmd;
467 struct pci_resource pci_cfg_space;
469 unsigned int pci_cfg_is_read;
471 ULONG cur_rx; /* Index into the Rx descriptor buffer of next Rx pkt. */
472 ULONG cur_tx; /* Index into the Tx descriptor buffer of next Rx pkt. */
473 ULONG dirty_rx;
474 ULONG dirty_tx;
476 struct SignalSemaphore lock;
478 UBYTE orig_mac[6];
481 #define pci_name(unit) (unit->rtl8168u_name)
483 /* ENET defines */
485 #define HZ 1000000
486 #define ETH_DATA_LEN 1500
488 #define ETH_ADDRESSSIZE 6
489 #define ETH_HEADERSIZE 14
490 #define ETH_CRCSIZE 4
491 #define ETH_MTU (ETH_DATA_LEN)
492 #define ETH_MAXPACKETSIZE ((ETH_HEADERSIZE) + (ETH_MTU) + (ETH_CRCSIZE))
494 #define ETH_PACKET_DEST 0
495 #define ETH_PACKET_SOURCE 6
496 #define ETH_PACKET_TYPE 12
497 #define ETH_PACKET_IEEELEN 12
498 #define ETH_PACKET_SNAPTYPE 20
499 #define ETH_PACKET_DATA 14
500 #define ETH_PACKET_CRC (ETH_PACKET_DATA + ETH_MTU)
502 #define RXTX_ALLOC_BUFSIZE (ETH_MAXPACKETSIZE + 26)
504 #define TX_LIMIT_STOP 63
505 #define TX_LIMIT_START 62
507 struct eth_frame {
508 UBYTE eth_packet_dest[6];
509 UBYTE eth_packet_source[6];
510 UWORD eth_packet_type;
511 UBYTE eth_packet_data[ETH_MTU];
512 UBYTE eth_packet_crc[4];
513 UBYTE eth_pad[RXTX_ALLOC_BUFSIZE - ETH_MAXPACKETSIZE];
514 } __attribute__((packed));
515 #define eth_packet_ieeelen eth_packet_type
517 /* ***************************** */
518 /* RTL8168 DEFINES */
519 /* ***************************** */
521 #ifndef DMA_64BIT_MASK
522 #define DMA_64BIT_MASK 0xffffffffffffffffULL
523 #endif
524 #ifndef DMA_32BIT_MASK
525 #define DMA_32BIT_MASK 0x00000000ffffffffULL
526 #endif
528 #ifndef PCI_COMMAND
529 #define PCI_COMMAND 0x04
530 #endif
531 #ifndef PCI_CACHE_LINE_SIZE
532 #define PCI_CACHE_LINE_SIZE 0x0c
533 #endif
534 #ifndef PCI_LATENCY_TIMER
535 #define PCI_LATENCY_TIMER 0x0d
536 #endif
537 #ifndef PCI_BASE_ADDRESS_0
538 #define PCI_BASE_ADDRESS_0 0x10
539 #endif
540 #ifndef PCI_BASE_ADDRESS_2
541 #define PCI_BASE_ADDRESS_2 0x18
542 #endif
543 #ifndef PCI_BASE_ADDRESS_4
544 #define PCI_BASE_ADDRESS_4 0x20
545 #endif
546 #ifndef PCI_BASE_ADDRESS_5
547 #define PCI_BASE_ADDRESS_5 0x24
548 #endif
549 #ifndef PCI_INTERRUPT_LINE
550 #define PCI_INTERRUPT_LINE 0x32
551 #endif
553 #ifndef ETH_ALEN
554 #define ETH_ALEN ETH_ADDRESSSIZE
555 #endif
556 #ifndef ETH_HLEN
557 #define ETH_HLEN ETH_HEADERSIZE
558 #endif
560 #ifndef ADVERTISED_Pause
561 #define ADVERTISED_Pause (1 << 13)
562 #endif
563 #ifndef ADVERTISED_Asym_Pause
564 #define ADVERTISED_Asym_Pause (1 << 14)
565 #endif
566 #ifndef ADVERTISE_PAUSE_CAP
567 #define ADVERTISE_PAUSE_CAP 0x400
568 #endif
569 #ifndef ADVERTISE_PAUSE_ASYM
570 #define ADVERTISE_PAUSE_ASYM 0x800
571 #endif
572 #ifndef MII_CTRL1000
573 #define MII_CTRL1000 0x09
574 #endif
575 #ifndef ADVERTISE_1000FULL
576 #define ADVERTISE_1000FULL 0x200
577 #endif
578 #ifndef ADVERTISE_1000HALF
579 #define ADVERTISE_1000HALF 0x100
580 #endif
582 /** Generic MII Registers - TODO: should be in MII header file **/
584 #ifndef MII_BMCR
585 // Basic Mode Control Register
586 #define MII_BMCR 0x00
587 #endif
588 #ifndef MII_ADVERTISE
589 // Advertisement Control Register
590 #define MII_ADVERTISE 0x04
591 #endif
593 /** Basic Mode Control Register - TODO: should be in MII header file **/
595 #ifndef BMCR_FULLDPLX
596 // Full Duplex
597 #define BMCR_FULLDPLX 0x0100
598 #endif
599 #ifndef BMCR_ANRESTART
600 // AutoNeg Restart
601 #define BMCR_ANRESTART 0x0200
602 #endif
603 #ifndef BMCR_ANENABLE
604 // AutoNeg Enable
605 #define BMCR_ANENABLE 0x1000
606 #endif
607 #ifndef BMCR_RESET
608 #define BMCR_RESET 0x8000
609 #endif
611 /** Advertisement Control Register - TODO: should be in MII header file **/
613 #ifndef ADVERTISE_10HALF
614 #define ADVERTISE_10HALF 0x0020
615 #endif
616 #ifndef ADVERTISE_10FULL
617 #define ADVERTISE_10FULL 0x0040
618 #endif
619 #ifndef ADVERTISE_100HALF
620 #define ADVERTISE_100HALF 0x0080
621 #endif
622 #ifndef ADVERTISE_100FULL
623 #define ADVERTISE_100FULL 0x0100
624 #endif
626 /* These should also have an own header */
628 #ifndef AUTONEG_DISABLE
629 #define AUTONEG_DISABLE 0x00
630 #endif
631 #ifndef AUTONEG_ENABLE
632 #define AUTONEG_ENABLE 0x01
633 #endif
634 #ifndef SPEED_10
635 #define SPEED_10 10
636 #endif
637 #ifndef SPEED_100
638 #define SPEED_100 100
639 #endif
640 #ifndef SPEED_1000
641 #define SPEED_1000 1000
642 #endif
643 #ifndef DUPLEX_HALF
644 #define DUPLEX_HALF 0x00
645 #endif
646 #ifndef DUPLEX_FULL
647 #define DUPLEX_FULL 0x01
648 #endif
650 /* write/read MMIO register */
651 #define RTL_R8(addr) (*((volatile UBYTE *)(addr)))
652 #define RTL_R16(addr) (*((volatile UWORD *)(addr)))
653 #define RTL_R32(addr) (*((volatile ULONG *)(addr)))
654 #define RTL_W8(addr, val8) MMIO_W8(addr, val8)
655 #define RTL_W16(addr, val16) MMIO_W16(addr, val16)
656 #define RTL_W32(addr, val32) MMIO_W32(addr, val32)
658 #define R8168_REGS_SIZE 256
660 #define MAC_ADDR_LEN 6
662 #define Reserved2_data 7
663 #define RX_DMA_BURST 7 /* Maximum PCI burst, '6' is 1024 */
664 #define TX_DMA_BURST_unlimited 7
665 #define TX_DMA_BURST_1024 6
666 #define TX_DMA_BURST_512 5
667 #define TX_DMA_BURST_256 4
668 #define TX_DMA_BURST_128 3
669 #define TX_DMA_BURST_64 2
670 #define TX_DMA_BURST_32 1
671 #define TX_DMA_BURST_16 0
672 #define Reserved1_data 0x3F
673 #define RxPacketMaxSize 0x3FE8 /* 16K - 1 - ETH_HLEN - VLAN - CRC... */
674 #define Jumbo_Frame_2k (2 * 1024)
675 #define Jumbo_Frame_3k (3 * 1024)
676 #define Jumbo_Frame_4k (4 * 1024)
677 #define Jumbo_Frame_5k (5 * 1024)
678 #define Jumbo_Frame_6k (6 * 1024)
679 #define Jumbo_Frame_7k (7 * 1024)
680 #define Jumbo_Frame_8k (8 * 1024)
681 #define Jumbo_Frame_9k (9 * 1024)
682 #define InterFrameGap 0x03 /* 3 means InterFrameGap = the shortest one */
684 #define RX_BUF_SIZE 0x05F3 /* 0x05F3 = 1523 Rx Buffer size */
685 #define R8168_TX_RING_BYTES (NUM_TX_DESC * sizeof(struct TxDesc))
686 #define R8168_RX_RING_BYTES (NUM_RX_DESC * sizeof(struct RxDesc))
688 #define NUM_TX_DESC 1024 /* Number of Tx descriptor registers */
689 #define NUM_RX_DESC 1024 /* Number of Rx descriptor registers */
691 enum mcfg {
692 CFG_METHOD_1 = 0x01,
693 CFG_METHOD_2 = 0x02,
694 CFG_METHOD_3 = 0x03,
695 CFG_METHOD_4 = 0x04,
696 CFG_METHOD_5 = 0x05,
697 CFG_METHOD_6 = 0x06,
698 CFG_METHOD_7 = 0x07,
699 CFG_METHOD_8 = 0x08,
700 CFG_METHOD_9 = 0x09,
701 CFG_METHOD_10 = 0x0a,
702 CFG_METHOD_11 = 0x0b,
705 enum RTL8168_DSM_STATE {
706 DSM_MAC_INIT = 1,
707 DSM_NIC_GOTO_D3 = 2,
708 DSM_IF_DOWN = 3,
709 DSM_NIC_RESUME_D3 = 4,
710 DSM_IF_UP = 5,
713 enum RTL8168_registers {
714 MAC0 = 0, /* Ethernet hardware address. */
715 MAC4 = 0x04,
716 MAR0 = 8, /* Multicast filter. */
717 CounterAddrLow = 0x10,
718 CounterAddrHigh = 0x14,
719 TxDescStartAddrLow = 0x20,
720 TxDescStartAddrHigh = 0x24,
721 TxHDescStartAddrLow = 0x28,
722 TxHDescStartAddrHigh = 0x2c,
723 FLASH = 0x30,
724 ERSR = 0x36,
725 ChipCmd = 0x37,
726 TxPoll = 0x38,
727 IntrMask = 0x3C,
728 IntrStatus = 0x3E,
729 TxConfig = 0x40,
730 RxConfig = 0x44,
731 TCTR = 0x48,
732 Cfg9346 = 0x50,
733 Config0 = 0x51,
734 Config1 = 0x52,
735 Config2 = 0x53,
736 Config3 = 0x54,
737 Config4 = 0x55,
738 Config5 = 0x56,
739 TimeIntr = 0x58,
740 PHYAR = 0x60,
741 CSIDR = 0x64,
742 CSIAR = 0x68,
743 PHYstatus = 0x6C,
744 MACDBG = 0x6D,
745 GPIO = 0x6E,
746 EPHYAR = 0x80,
747 DBG_reg = 0xD1,
748 RxMaxSize = 0xDA,
749 CPlusCmd = 0xE0,
750 IntrMitigate = 0xE2,
751 RxDescAddrLow = 0xE4,
752 RxDescAddrHigh = 0xE8,
753 Reserved1 = 0xEC,
754 FuncEvent = 0xF0,
755 FuncEventMask = 0xF4,
756 FuncPresetState = 0xF8,
757 FuncForceEvent = 0xFC,
760 enum RTL8168_register_content {
761 /* InterruptStatusBits */
762 SYSErr = 0x8000,
763 PCSTimeout = 0x4000,
764 SWInt = 0x0100,
765 TxDescUnavail = 0x0080,
766 RxFIFOOver = 0x0040,
767 LinkChg = 0x0020,
768 RxDescUnavail = 0x0010,
769 TxErr = 0x0008,
770 TxOK = 0x0004,
771 RxErr = 0x0002,
772 RxOK = 0x0001,
774 /* RxStatusDesc */
775 RxRWT = (1 << 22),
776 RxRES = (1 << 21),
777 RxRUNT = (1 << 20),
778 RxCRC = (1 << 19),
780 /* ChipCmdBits */
781 StopReq = 0x80,
782 CmdReset = 0x10,
783 CmdRxEnb = 0x08,
784 CmdTxEnb = 0x04,
785 RxBufEmpty = 0x01,
787 /* Cfg9346Bits */
788 Cfg9346_Lock = 0x00,
789 Cfg9346_Unlock = 0xC0,
791 /* rx_mode_bits */
792 AcceptErr = 0x20,
793 AcceptRunt = 0x10,
794 AcceptBroadcast = 0x08,
795 AcceptMulticast = 0x04,
796 AcceptMyPhys = 0x02,
797 AcceptAllPhys = 0x01,
799 /* Transmit Priority Polling*/
800 HPQ = 0x80,
801 NPQ = 0x40,
802 FSWInt = 0x01,
804 /* RxConfigBits */
805 Reserved2_shift = 13,
806 RxCfgDMAShift = 8,
807 RxCfg_128_int_en = (1 << 15),
808 RxCfg_fet_multi_en = (1 << 14),
809 RxCfg_half_refetch = (1 << 13),
811 /* TxConfigBits */
812 TxInterFrameGapShift = 24,
813 TxDMAShift = 8, /* DMA burst value (0-7) is shift this many bits */
814 TxMACLoopBack = (1 << 17), /* MAC loopback */
816 /* Config1 register p.24 */
817 LEDS1 = (1 << 7),
818 LEDS0 = (1 << 6),
819 Speed_down = (1 << 4),
820 MEMMAP = (1 << 3),
821 IOMAP = (1 << 2),
822 VPD = (1 << 1),
823 PMEnable = (1 << 0), /* Power Management Enable */
825 /* Config3 register */
826 MagicPacket = (1 << 5), /* Wake up when receives a Magic Packet */
827 LinkUp = (1 << 4), /* This bit is reserved in RTL8168B.*/
828 /* Wake up when the cable connection is re-established */
829 ECRCEN = (1 << 3), /* This bit is reserved in RTL8168B*/
830 Jumbo_En0 = (1 << 2), /* This bit is reserved in RTL8168B*/
831 RDY_TO_L23 = (1 << 1), /* This bit is reserved in RTL8168B*/
832 Beacon_en = (1 << 0), /* This bit is reserved in RTL8168B*/
834 /* Config4 register */
835 Jumbo_En1 = (1 << 1), /* This bit is reserved in RTL8168B*/
837 /* Config5 register */
838 BWF = (1 << 6), /* Accept Broadcast wakeup frame */
839 MWF = (1 << 5), /* Accept Multicast wakeup frame */
840 UWF = (1 << 4), /* Accept Unicast wakeup frame */
841 LanWake = (1 << 1), /* LanWake enable/disable */
842 PMEStatus = (1 << 0), /* PME status can be reset by PCI RST# */
844 /* CPlusCmd */
845 EnableBist = (1 << 15),
846 Macdbgo_oe = (1 << 14),
847 Normal_mode = (1 << 13),
848 Force_halfdup = (1 << 12),
849 Force_rxflow_en = (1 << 11),
850 Force_txflow_en = (1 << 10),
851 Cxpl_dbg_sel = (1 << 9),//This bit is reserved in RTL8168B
852 ASF = (1 << 8),//This bit is reserved in RTL8168C
853 PktCntrDisable = (1 << 7),
854 RxVlan = (1 << 6),
855 RxChkSum = (1 << 5),
856 Macdbgo_sel = 0x001C,
857 INTT_0 = 0x0000,
858 INTT_1 = 0x0001,
859 INTT_2 = 0x0002,
860 INTT_3 = 0x0003,
862 /* rtl8168_PHYstatus */
863 TxFlowCtrl = 0x40,
864 RxFlowCtrl = 0x20,
865 _1000bpsF = 0x10,
866 _100bps = 0x08,
867 _10bps = 0x04,
868 LinkStatus = 0x02,
869 FullDup = 0x01,
871 /* DBG_reg */
872 Fix_Nak_1 = (1 << 4),
873 Fix_Nak_2 = (1 << 3),
874 DBGPIN_E2 = (1 << 0),
876 /* DumpCounterCommand */
877 CounterDump = 0x8,
879 /* PHY access */
880 PHYAR_Flag = 0x80000000,
881 PHYAR_Write = 0x80000000,
882 PHYAR_Read = 0x00000000,
883 PHYAR_Reg_Mask = 0x1f,
884 PHYAR_Reg_shift = 16,
885 PHYAR_Data_Mask = 0xffff,
887 /* EPHY access */
888 EPHYAR_Flag = 0x80000000,
889 EPHYAR_Write = 0x80000000,
890 EPHYAR_Read = 0x00000000,
891 EPHYAR_Reg_Mask = 0x1f,
892 EPHYAR_Reg_shift = 16,
893 EPHYAR_Data_Mask = 0xffff,
895 /* CSI access */
896 CSIAR_Flag = 0x80000000,
897 CSIAR_Write = 0x80000000,
898 CSIAR_Read = 0x00000000,
899 CSIAR_ByteEn = 0x0f,
900 CSIAR_ByteEn_shift = 12,
901 CSIAR_Addr_Mask = 0x0fff,
903 /* GPIO */
904 GPIO_en = (1 << 0),
907 enum _DescStatusBit {
908 DescOwn = (1 << 31), /* Descriptor is owned by NIC */
909 RingEnd = (1 << 30), /* End of descriptor ring */
910 FirstFrag = (1 << 29), /* First segment of a packet */
911 LastFrag = (1 << 28), /* Final segment of a packet */
913 /* Tx private */
914 /*------ offset 0 of tx descriptor ------*/
915 LargeSend = (1 << 27), /* TCP Large Send Offload (TSO) */
916 MSSShift = 16, /* MSS value position */
917 MSSMask = 0xfff, /* MSS value + LargeSend bit: 12 bits */
918 TxIPCS = (1 << 18), /* Calculate IP checksum */
919 TxUDPCS = (1 << 17), /* Calculate UDP/IP checksum */
920 TxTCPCS = (1 << 16), /* Calculate TCP/IP checksum */
921 TxVlanTag = (1 << 17), /* Add VLAN tag */
923 /*@@@@@@ offset 4 of tx descriptor => bits for RTL8168C/CP only begin @@@@@@*/
924 TxUDPCS_C = (1 << 31), /* Calculate UDP/IP checksum */
925 TxTCPCS_C = (1 << 30), /* Calculate TCP/IP checksum */
926 TxIPCS_C = (1 << 29), /* Calculate IP checksum */
927 /*@@@@@@ offset 4 of tx descriptor => bits for RTL8168C/CP only end @@@@@@*/
930 /* Rx private */
931 /*------ offset 0 of rx descriptor ------*/
932 PID1 = (1 << 18), /* Protocol ID bit 1/2 */
933 PID0 = (1 << 17), /* Protocol ID bit 2/2 */
935 #define RxProtoUDP (PID1)
936 #define RxProtoTCP (PID0)
937 #define RxProtoIP (PID1 | PID0)
938 #define RxProtoMask RxProtoIP
940 RxIPF = (1 << 16), /* IP checksum failed */
941 RxUDPF = (1 << 15), /* UDP/IP checksum failed */
942 RxTCPF = (1 << 14), /* TCP/IP checksum failed */
943 RxVlanTag = (1 << 16), /* VLAN tag available */
945 /*@@@@@@ offset 0 of rx descriptor => bits for RTL8168C/CP only begin @@@@@@*/
946 RxUDPT = (1 << 18),
947 RxTCPT = (1 << 17),
948 /*@@@@@@ offset 0 of rx descriptor => bits for RTL8168C/CP only end @@@@@@*/
950 /*@@@@@@ offset 4 of rx descriptor => bits for RTL8168C/CP only begin @@@@@@*/
951 RxV6F = (1 << 31),
952 RxV4F = (1 << 30),
953 /*@@@@@@ offset 4 of rx descriptor => bits for RTL8168C/CP only end @@@@@@*/
956 enum features {
957 // RTL_FEATURE_WOL = (1 << 0),
958 RTL_FEATURE_MSI = (1 << 1),
961 #define RsvdMask 0x3fffc000
963 struct TxDesc {
964 ULONG opts1;
965 ULONG opts2;
966 UQUAD addr;
969 struct RxDesc {
970 ULONG opts1;
971 ULONG opts2;
972 UQUAD addr;
975 void rtl8168nic_get_functions(struct RTL8168Unit *Unit);
976 void rtl8168nic_USecDelay(struct net_device *, ULONG);
977 #define udelay(usec) rtl8168nic_USecDelay(unit, usec)
978 #endif