|  | /* | 
|  | * Network device driver for Cell Processor-Based Blade and Celleb platform | 
|  | * | 
|  | * (C) Copyright IBM Corp. 2005 | 
|  | * (C) Copyright 2006 TOSHIBA CORPORATION | 
|  | * | 
|  | * Authors : Utz Bacher <utz.bacher@de.ibm.com> | 
|  | *           Jens Osterkamp <Jens.Osterkamp@de.ibm.com> | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License as published by | 
|  | * the Free Software Foundation; either version 2, or (at your option) | 
|  | * any later version. | 
|  | * | 
|  | * This program is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | * GNU General Public License for more details. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License | 
|  | * along with this program; if not, write to the Free Software | 
|  | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | 
|  | */ | 
|  |  | 
|  | #ifndef _SPIDER_NET_H | 
|  | #define _SPIDER_NET_H | 
|  |  | 
|  | #define VERSION "2.0 B" | 
|  |  | 
|  | #include "sungem_phy.h" | 
|  |  | 
|  | extern int spider_net_stop(struct net_device *netdev); | 
|  | extern int spider_net_open(struct net_device *netdev); | 
|  |  | 
|  | extern const struct ethtool_ops spider_net_ethtool_ops; | 
|  |  | 
|  | extern char spider_net_driver_name[]; | 
|  |  | 
|  | #define SPIDER_NET_MAX_FRAME			2312 | 
|  | #define SPIDER_NET_MAX_MTU			2294 | 
|  | #define SPIDER_NET_MIN_MTU			64 | 
|  |  | 
|  | #define SPIDER_NET_RXBUF_ALIGN			128 | 
|  |  | 
|  | #define SPIDER_NET_RX_DESCRIPTORS_DEFAULT	256 | 
|  | #define SPIDER_NET_RX_DESCRIPTORS_MIN		16 | 
|  | #define SPIDER_NET_RX_DESCRIPTORS_MAX		512 | 
|  |  | 
|  | #define SPIDER_NET_TX_DESCRIPTORS_DEFAULT	256 | 
|  | #define SPIDER_NET_TX_DESCRIPTORS_MIN		16 | 
|  | #define SPIDER_NET_TX_DESCRIPTORS_MAX		512 | 
|  |  | 
|  | #define SPIDER_NET_TX_TIMER			(HZ/5) | 
|  | #define SPIDER_NET_ANEG_TIMER			(HZ) | 
|  | #define SPIDER_NET_ANEG_TIMEOUT			5 | 
|  |  | 
|  | #define SPIDER_NET_RX_CSUM_DEFAULT		1 | 
|  |  | 
|  | #define SPIDER_NET_WATCHDOG_TIMEOUT		50*HZ | 
|  | #define SPIDER_NET_NAPI_WEIGHT			64 | 
|  |  | 
|  | #define SPIDER_NET_FIRMWARE_SEQS	6 | 
|  | #define SPIDER_NET_FIRMWARE_SEQWORDS	1024 | 
|  | #define SPIDER_NET_FIRMWARE_LEN		(SPIDER_NET_FIRMWARE_SEQS * \ | 
|  | SPIDER_NET_FIRMWARE_SEQWORDS * \ | 
|  | sizeof(u32)) | 
|  | #define SPIDER_NET_FIRMWARE_NAME	"spider_fw.bin" | 
|  |  | 
|  | /** spider_net SMMIO registers */ | 
|  | #define SPIDER_NET_GHIINT0STS		0x00000000 | 
|  | #define SPIDER_NET_GHIINT1STS		0x00000004 | 
|  | #define SPIDER_NET_GHIINT2STS		0x00000008 | 
|  | #define SPIDER_NET_GHIINT0MSK		0x00000010 | 
|  | #define SPIDER_NET_GHIINT1MSK		0x00000014 | 
|  | #define SPIDER_NET_GHIINT2MSK		0x00000018 | 
|  |  | 
|  | #define SPIDER_NET_GRESUMINTNUM		0x00000020 | 
|  | #define SPIDER_NET_GREINTNUM		0x00000024 | 
|  |  | 
|  | #define SPIDER_NET_GFFRMNUM		0x00000028 | 
|  | #define SPIDER_NET_GFAFRMNUM		0x0000002c | 
|  | #define SPIDER_NET_GFBFRMNUM		0x00000030 | 
|  | #define SPIDER_NET_GFCFRMNUM		0x00000034 | 
|  | #define SPIDER_NET_GFDFRMNUM		0x00000038 | 
|  |  | 
|  | /* clear them (don't use it) */ | 
|  | #define SPIDER_NET_GFREECNNUM		0x0000003c | 
|  | #define SPIDER_NET_GONETIMENUM		0x00000040 | 
|  |  | 
|  | #define SPIDER_NET_GTOUTFRMNUM		0x00000044 | 
|  |  | 
|  | #define SPIDER_NET_GTXMDSET		0x00000050 | 
|  | #define SPIDER_NET_GPCCTRL		0x00000054 | 
|  | #define SPIDER_NET_GRXMDSET		0x00000058 | 
|  | #define SPIDER_NET_GIPSECINIT		0x0000005c | 
|  | #define SPIDER_NET_GFTRESTRT		0x00000060 | 
|  | #define SPIDER_NET_GRXDMAEN		0x00000064 | 
|  | #define SPIDER_NET_GMRWOLCTRL		0x00000068 | 
|  | #define SPIDER_NET_GPCWOPCMD		0x0000006c | 
|  | #define SPIDER_NET_GPCROPCMD		0x00000070 | 
|  | #define SPIDER_NET_GTTFRMCNT		0x00000078 | 
|  | #define SPIDER_NET_GTESTMD		0x0000007c | 
|  |  | 
|  | #define SPIDER_NET_GSINIT		0x00000080 | 
|  | #define SPIDER_NET_GSnPRGADR		0x00000084 | 
|  | #define SPIDER_NET_GSnPRGDAT		0x00000088 | 
|  |  | 
|  | #define SPIDER_NET_GMACOPEMD		0x00000100 | 
|  | #define SPIDER_NET_GMACLENLMT		0x00000108 | 
|  | #define SPIDER_NET_GMACST		0x00000110 | 
|  | #define SPIDER_NET_GMACINTEN		0x00000118 | 
|  | #define SPIDER_NET_GMACPHYCTRL		0x00000120 | 
|  |  | 
|  | #define SPIDER_NET_GMACAPAUSE		0x00000154 | 
|  | #define SPIDER_NET_GMACTXPAUSE		0x00000164 | 
|  |  | 
|  | #define SPIDER_NET_GMACMODE		0x000001b0 | 
|  | #define SPIDER_NET_GMACBSTLMT		0x000001b4 | 
|  |  | 
|  | #define SPIDER_NET_GMACUNIMACU		0x000001c0 | 
|  | #define SPIDER_NET_GMACUNIMACL		0x000001c8 | 
|  |  | 
|  | #define SPIDER_NET_GMRMHFILnR		0x00000400 | 
|  | #define SPIDER_NET_MULTICAST_HASHES	256 | 
|  |  | 
|  | #define SPIDER_NET_GMRUAFILnR		0x00000500 | 
|  | #define SPIDER_NET_GMRUA0FIL15R		0x00000578 | 
|  |  | 
|  | #define SPIDER_NET_GTTQMSK		0x00000934 | 
|  |  | 
|  | /* RX DMA controller registers, all 0x00000a.. are for DMA controller A, | 
|  | * 0x00000b.. for DMA controller B, etc. */ | 
|  | #define SPIDER_NET_GDADCHA		0x00000a00 | 
|  | #define SPIDER_NET_GDADMACCNTR		0x00000a04 | 
|  | #define SPIDER_NET_GDACTDPA		0x00000a08 | 
|  | #define SPIDER_NET_GDACTDCNT		0x00000a0c | 
|  | #define SPIDER_NET_GDACDBADDR		0x00000a20 | 
|  | #define SPIDER_NET_GDACDBSIZE		0x00000a24 | 
|  | #define SPIDER_NET_GDACNEXTDA		0x00000a28 | 
|  | #define SPIDER_NET_GDACCOMST		0x00000a2c | 
|  | #define SPIDER_NET_GDAWBCOMST		0x00000a30 | 
|  | #define SPIDER_NET_GDAWBRSIZE		0x00000a34 | 
|  | #define SPIDER_NET_GDAWBVSIZE		0x00000a38 | 
|  | #define SPIDER_NET_GDAWBTRST		0x00000a3c | 
|  | #define SPIDER_NET_GDAWBTRERR		0x00000a40 | 
|  |  | 
|  | /* TX DMA controller registers */ | 
|  | #define SPIDER_NET_GDTDCHA		0x00000e00 | 
|  | #define SPIDER_NET_GDTDMACCNTR		0x00000e04 | 
|  | #define SPIDER_NET_GDTCDPA		0x00000e08 | 
|  | #define SPIDER_NET_GDTDMASEL		0x00000e14 | 
|  |  | 
|  | #define SPIDER_NET_ECMODE		0x00000f00 | 
|  | /* clock and reset control register */ | 
|  | #define SPIDER_NET_CKRCTRL		0x00000ff0 | 
|  |  | 
|  | /** SCONFIG registers */ | 
|  | #define SPIDER_NET_SCONFIG_IOACTE	0x00002810 | 
|  |  | 
|  | /** interrupt mask registers */ | 
|  | #define SPIDER_NET_INT0_MASK_VALUE	0x3f7fe2c7 | 
|  | #define SPIDER_NET_INT1_MASK_VALUE	0x0000fff2 | 
|  | #define SPIDER_NET_INT2_MASK_VALUE	0x000003f1 | 
|  |  | 
|  | /* we rely on flagged descriptor interrupts */ | 
|  | #define SPIDER_NET_FRAMENUM_VALUE	0x00000000 | 
|  | /* set this first, then the FRAMENUM_VALUE */ | 
|  | #define SPIDER_NET_GFXFRAMES_VALUE	0x00000000 | 
|  |  | 
|  | #define SPIDER_NET_STOP_SEQ_VALUE	0x00000000 | 
|  | #define SPIDER_NET_RUN_SEQ_VALUE	0x0000007e | 
|  |  | 
|  | #define SPIDER_NET_PHY_CTRL_VALUE	0x00040040 | 
|  | /* #define SPIDER_NET_PHY_CTRL_VALUE	0x01070080*/ | 
|  | #define SPIDER_NET_RXMODE_VALUE		0x00000011 | 
|  | /* auto retransmission in case of MAC aborts */ | 
|  | #define SPIDER_NET_TXMODE_VALUE		0x00010000 | 
|  | #define SPIDER_NET_RESTART_VALUE	0x00000000 | 
|  | #define SPIDER_NET_WOL_VALUE		0x00001111 | 
|  | #if 0 | 
|  | #define SPIDER_NET_WOL_VALUE		0x00000000 | 
|  | #endif | 
|  | #define SPIDER_NET_IPSECINIT_VALUE	0x6f716f71 | 
|  |  | 
|  | /* pause frames: automatic, no upper retransmission count */ | 
|  | /* outside loopback mode: ETOMOD signal dont matter, not connected */ | 
|  | /* ETOMOD signal is brought to PHY reset. bit 2 must be 1 in Celleb */ | 
|  | #define SPIDER_NET_OPMODE_VALUE		0x00000067 | 
|  | /*#define SPIDER_NET_OPMODE_VALUE		0x001b0062*/ | 
|  | #define SPIDER_NET_LENLMT_VALUE		0x00000908 | 
|  |  | 
|  | #define SPIDER_NET_MACAPAUSE_VALUE	0x00000800 /* about 1 ms */ | 
|  | #define SPIDER_NET_TXPAUSE_VALUE	0x00000000 | 
|  |  | 
|  | #define SPIDER_NET_MACMODE_VALUE	0x00000001 | 
|  | #define SPIDER_NET_BURSTLMT_VALUE	0x00000200 /* about 16 us */ | 
|  |  | 
|  | /* DMAC control register GDMACCNTR | 
|  | * | 
|  | * 1(0)				enable r/tx dma | 
|  | *  0000000				fixed to 0 | 
|  | * | 
|  | *         000000			fixed to 0 | 
|  | *               0(1)			en/disable descr writeback on force end | 
|  | *                0(1)			force end | 
|  | * | 
|  | *                 000000		fixed to 0 | 
|  | *                       00		burst alignment: 128 bytes | 
|  | *                       11		burst alignment: 1024 bytes | 
|  | * | 
|  | *                         00000	fixed to 0 | 
|  | *                              0	descr writeback size 32 bytes | 
|  | *                               0(1)	descr chain end interrupt enable | 
|  | *                                0(1)	descr status writeback enable */ | 
|  |  | 
|  | /* to set RX_DMA_EN */ | 
|  | #define SPIDER_NET_DMA_RX_VALUE		0x80000000 | 
|  | #define SPIDER_NET_DMA_RX_FEND_VALUE	0x00030003 | 
|  | /* to set TX_DMA_EN */ | 
|  | #define SPIDER_NET_TX_DMA_EN           0x80000000 | 
|  | #define SPIDER_NET_GDTBSTA             0x00000300 | 
|  | #define SPIDER_NET_GDTDCEIDIS          0x00000002 | 
|  | #define SPIDER_NET_DMA_TX_VALUE        SPIDER_NET_TX_DMA_EN | \ | 
|  | SPIDER_NET_GDTDCEIDIS | \ | 
|  | SPIDER_NET_GDTBSTA | 
|  |  | 
|  | #define SPIDER_NET_DMA_TX_FEND_VALUE	0x00030003 | 
|  |  | 
|  | /* SPIDER_NET_UA_DESCR_VALUE is OR'ed with the unicast address */ | 
|  | #define SPIDER_NET_UA_DESCR_VALUE	0x00080000 | 
|  | #define SPIDER_NET_PROMISC_VALUE	0x00080000 | 
|  | #define SPIDER_NET_NONPROMISC_VALUE	0x00000000 | 
|  |  | 
|  | #define SPIDER_NET_DMASEL_VALUE		0x00000001 | 
|  |  | 
|  | #define SPIDER_NET_ECMODE_VALUE		0x00000000 | 
|  |  | 
|  | #define SPIDER_NET_CKRCTRL_RUN_VALUE	0x1fff010f | 
|  | #define SPIDER_NET_CKRCTRL_STOP_VALUE	0x0000010f | 
|  |  | 
|  | #define SPIDER_NET_SBIMSTATE_VALUE	0x00000000 | 
|  | #define SPIDER_NET_SBTMSTATE_VALUE	0x00000000 | 
|  |  | 
|  | /* SPIDER_NET_GHIINT0STS bits, in reverse order so that they can be used | 
|  | * with 1 << SPIDER_NET_... */ | 
|  | enum spider_net_int0_status { | 
|  | SPIDER_NET_GPHYINT = 0, | 
|  | SPIDER_NET_GMAC2INT, | 
|  | SPIDER_NET_GMAC1INT, | 
|  | SPIDER_NET_GIPSINT, | 
|  | SPIDER_NET_GFIFOINT, | 
|  | SPIDER_NET_GDMACINT, | 
|  | SPIDER_NET_GSYSINT, | 
|  | SPIDER_NET_GPWOPCMPINT, | 
|  | SPIDER_NET_GPROPCMPINT, | 
|  | SPIDER_NET_GPWFFINT, | 
|  | SPIDER_NET_GRMDADRINT, | 
|  | SPIDER_NET_GRMARPINT, | 
|  | SPIDER_NET_GRMMPINT, | 
|  | SPIDER_NET_GDTDEN0INT, | 
|  | SPIDER_NET_GDDDEN0INT, | 
|  | SPIDER_NET_GDCDEN0INT, | 
|  | SPIDER_NET_GDBDEN0INT, | 
|  | SPIDER_NET_GDADEN0INT, | 
|  | SPIDER_NET_GDTFDCINT, | 
|  | SPIDER_NET_GDDFDCINT, | 
|  | SPIDER_NET_GDCFDCINT, | 
|  | SPIDER_NET_GDBFDCINT, | 
|  | SPIDER_NET_GDAFDCINT, | 
|  | SPIDER_NET_GTTEDINT, | 
|  | SPIDER_NET_GDTDCEINT, | 
|  | SPIDER_NET_GRFDNMINT, | 
|  | SPIDER_NET_GRFCNMINT, | 
|  | SPIDER_NET_GRFBNMINT, | 
|  | SPIDER_NET_GRFANMINT, | 
|  | SPIDER_NET_GRFNMINT, | 
|  | SPIDER_NET_G1TMCNTINT, | 
|  | SPIDER_NET_GFREECNTINT | 
|  | }; | 
|  | /* GHIINT1STS bits */ | 
|  | enum spider_net_int1_status { | 
|  | SPIDER_NET_GTMFLLINT = 0, | 
|  | SPIDER_NET_GRMFLLINT, | 
|  | SPIDER_NET_GTMSHTINT, | 
|  | SPIDER_NET_GDTINVDINT, | 
|  | SPIDER_NET_GRFDFLLINT, | 
|  | SPIDER_NET_GDDDCEINT, | 
|  | SPIDER_NET_GDDINVDINT, | 
|  | SPIDER_NET_GRFCFLLINT, | 
|  | SPIDER_NET_GDCDCEINT, | 
|  | SPIDER_NET_GDCINVDINT, | 
|  | SPIDER_NET_GRFBFLLINT, | 
|  | SPIDER_NET_GDBDCEINT, | 
|  | SPIDER_NET_GDBINVDINT, | 
|  | SPIDER_NET_GRFAFLLINT, | 
|  | SPIDER_NET_GDADCEINT, | 
|  | SPIDER_NET_GDAINVDINT, | 
|  | SPIDER_NET_GDTRSERINT, | 
|  | SPIDER_NET_GDDRSERINT, | 
|  | SPIDER_NET_GDCRSERINT, | 
|  | SPIDER_NET_GDBRSERINT, | 
|  | SPIDER_NET_GDARSERINT, | 
|  | SPIDER_NET_GDSERINT, | 
|  | SPIDER_NET_GDTPTERINT, | 
|  | SPIDER_NET_GDDPTERINT, | 
|  | SPIDER_NET_GDCPTERINT, | 
|  | SPIDER_NET_GDBPTERINT, | 
|  | SPIDER_NET_GDAPTERINT | 
|  | }; | 
|  | /* GHIINT2STS bits */ | 
|  | enum spider_net_int2_status { | 
|  | SPIDER_NET_GPROPERINT = 0, | 
|  | SPIDER_NET_GMCTCRSNGINT, | 
|  | SPIDER_NET_GMCTLCOLINT, | 
|  | SPIDER_NET_GMCTTMOTINT, | 
|  | SPIDER_NET_GMCRCAERINT, | 
|  | SPIDER_NET_GMCRCALERINT, | 
|  | SPIDER_NET_GMCRALNERINT, | 
|  | SPIDER_NET_GMCROVRINT, | 
|  | SPIDER_NET_GMCRRNTINT, | 
|  | SPIDER_NET_GMCRRXERINT, | 
|  | SPIDER_NET_GTITCSERINT, | 
|  | SPIDER_NET_GTIFMTERINT, | 
|  | SPIDER_NET_GTIPKTRVKINT, | 
|  | SPIDER_NET_GTISPINGINT, | 
|  | SPIDER_NET_GTISADNGINT, | 
|  | SPIDER_NET_GTISPDNGINT, | 
|  | SPIDER_NET_GRIFMTERINT, | 
|  | SPIDER_NET_GRIPKTRVKINT, | 
|  | SPIDER_NET_GRISPINGINT, | 
|  | SPIDER_NET_GRISADNGINT, | 
|  | SPIDER_NET_GRISPDNGINT | 
|  | }; | 
|  |  | 
|  | #define SPIDER_NET_TXINT	(1 << SPIDER_NET_GDTFDCINT) | 
|  |  | 
|  | /* We rely on flagged descriptor interrupts */ | 
|  | #define SPIDER_NET_RXINT	( (1 << SPIDER_NET_GDAFDCINT) ) | 
|  |  | 
|  | #define SPIDER_NET_LINKINT	( 1 << SPIDER_NET_GMAC2INT ) | 
|  |  | 
|  | #define SPIDER_NET_ERRINT	( 0xffffffff & \ | 
|  | (~SPIDER_NET_TXINT) & \ | 
|  | (~SPIDER_NET_RXINT) & \ | 
|  | (~SPIDER_NET_LINKINT) ) | 
|  |  | 
|  | #define SPIDER_NET_GPREXEC			0x80000000 | 
|  | #define SPIDER_NET_GPRDAT_MASK			0x0000ffff | 
|  |  | 
|  | #define SPIDER_NET_DMAC_NOINTR_COMPLETE		0x00800000 | 
|  | #define SPIDER_NET_DMAC_TXFRMTL		0x00040000 | 
|  | #define SPIDER_NET_DMAC_TCP			0x00020000 | 
|  | #define SPIDER_NET_DMAC_UDP			0x00030000 | 
|  | #define SPIDER_NET_TXDCEST			0x08000000 | 
|  |  | 
|  | #define SPIDER_NET_DESCR_RXFDIS        0x00000001 | 
|  | #define SPIDER_NET_DESCR_RXDCEIS       0x00000002 | 
|  | #define SPIDER_NET_DESCR_RXDEN0IS      0x00000004 | 
|  | #define SPIDER_NET_DESCR_RXINVDIS      0x00000008 | 
|  | #define SPIDER_NET_DESCR_RXRERRIS      0x00000010 | 
|  | #define SPIDER_NET_DESCR_RXFDCIMS      0x00000100 | 
|  | #define SPIDER_NET_DESCR_RXDCEIMS      0x00000200 | 
|  | #define SPIDER_NET_DESCR_RXDEN0IMS     0x00000400 | 
|  | #define SPIDER_NET_DESCR_RXINVDIMS     0x00000800 | 
|  | #define SPIDER_NET_DESCR_RXRERRMIS     0x00001000 | 
|  | #define SPIDER_NET_DESCR_UNUSED        0x077fe0e0 | 
|  |  | 
|  | #define SPIDER_NET_DESCR_IND_PROC_MASK		0xF0000000 | 
|  | #define SPIDER_NET_DESCR_COMPLETE		0x00000000 /* used in rx and tx */ | 
|  | #define SPIDER_NET_DESCR_RESPONSE_ERROR		0x10000000 /* used in rx and tx */ | 
|  | #define SPIDER_NET_DESCR_PROTECTION_ERROR	0x20000000 /* used in rx and tx */ | 
|  | #define SPIDER_NET_DESCR_FRAME_END		0x40000000 /* used in rx */ | 
|  | #define SPIDER_NET_DESCR_FORCE_END		0x50000000 /* used in rx and tx */ | 
|  | #define SPIDER_NET_DESCR_CARDOWNED		0xA0000000 /* used in rx and tx */ | 
|  | #define SPIDER_NET_DESCR_NOT_IN_USE		0xF0000000 | 
|  | #define SPIDER_NET_DESCR_TXDESFLG		0x00800000 | 
|  |  | 
|  | #define SPIDER_NET_DESCR_BAD_STATUS   (SPIDER_NET_DESCR_RXDEN0IS | \ | 
|  | SPIDER_NET_DESCR_RXRERRIS | \ | 
|  | SPIDER_NET_DESCR_RXDEN0IMS | \ | 
|  | SPIDER_NET_DESCR_RXINVDIMS | \ | 
|  | SPIDER_NET_DESCR_RXRERRMIS | \ | 
|  | SPIDER_NET_DESCR_UNUSED) | 
|  |  | 
|  | /* Descriptor, as defined by the hardware */ | 
|  | struct spider_net_hw_descr { | 
|  | u32 buf_addr; | 
|  | u32 buf_size; | 
|  | u32 next_descr_addr; | 
|  | u32 dmac_cmd_status; | 
|  | u32 result_size; | 
|  | u32 valid_size;	/* all zeroes for tx */ | 
|  | u32 data_status; | 
|  | u32 data_error;	/* all zeroes for tx */ | 
|  | } __attribute__((aligned(32))); | 
|  |  | 
|  | struct spider_net_descr { | 
|  | struct spider_net_hw_descr *hwdescr; | 
|  | struct sk_buff *skb; | 
|  | u32 bus_addr; | 
|  | struct spider_net_descr *next; | 
|  | struct spider_net_descr *prev; | 
|  | }; | 
|  |  | 
|  | struct spider_net_descr_chain { | 
|  | spinlock_t lock; | 
|  | struct spider_net_descr *head; | 
|  | struct spider_net_descr *tail; | 
|  | struct spider_net_descr *ring; | 
|  | int num_desc; | 
|  | struct spider_net_hw_descr *hwring; | 
|  | dma_addr_t dma_addr; | 
|  | }; | 
|  |  | 
|  | /* descriptor data_status bits */ | 
|  | #define SPIDER_NET_RX_IPCHK		29 | 
|  | #define SPIDER_NET_RX_TCPCHK		28 | 
|  | #define SPIDER_NET_VLAN_PACKET		21 | 
|  | #define SPIDER_NET_DATA_STATUS_CKSUM_MASK ( (1 << SPIDER_NET_RX_IPCHK) | \ | 
|  | (1 << SPIDER_NET_RX_TCPCHK) ) | 
|  |  | 
|  | /* descriptor data_error bits */ | 
|  | #define SPIDER_NET_RX_IPCHKERR		27 | 
|  | #define SPIDER_NET_RX_RXTCPCHKERR	28 | 
|  |  | 
|  | #define SPIDER_NET_DATA_ERR_CKSUM_MASK	(1 << SPIDER_NET_RX_IPCHKERR) | 
|  |  | 
|  | /* the cases we don't pass the packet to the stack. | 
|  | * 701b8000 would be correct, but every packets gets that flag */ | 
|  | #define SPIDER_NET_DESTROY_RX_FLAGS	0x700b8000 | 
|  |  | 
|  | #define SPIDER_NET_DEFAULT_MSG		( NETIF_MSG_DRV | \ | 
|  | NETIF_MSG_PROBE | \ | 
|  | NETIF_MSG_LINK | \ | 
|  | NETIF_MSG_TIMER | \ | 
|  | NETIF_MSG_IFDOWN | \ | 
|  | NETIF_MSG_IFUP | \ | 
|  | NETIF_MSG_RX_ERR | \ | 
|  | NETIF_MSG_TX_ERR | \ | 
|  | NETIF_MSG_TX_QUEUED | \ | 
|  | NETIF_MSG_INTR | \ | 
|  | NETIF_MSG_TX_DONE | \ | 
|  | NETIF_MSG_RX_STATUS | \ | 
|  | NETIF_MSG_PKTDATA | \ | 
|  | NETIF_MSG_HW | \ | 
|  | NETIF_MSG_WOL ) | 
|  |  | 
|  | struct spider_net_extra_stats { | 
|  | unsigned long rx_desc_error; | 
|  | unsigned long tx_timeouts; | 
|  | unsigned long alloc_rx_skb_error; | 
|  | unsigned long rx_iommu_map_error; | 
|  | unsigned long tx_iommu_map_error; | 
|  | unsigned long rx_desc_unk_state; | 
|  | }; | 
|  |  | 
|  | struct spider_net_card { | 
|  | struct net_device *netdev; | 
|  | struct pci_dev *pdev; | 
|  | struct mii_phy phy; | 
|  |  | 
|  | struct napi_struct napi; | 
|  |  | 
|  | int medium; | 
|  |  | 
|  | void __iomem *regs; | 
|  |  | 
|  | struct spider_net_descr_chain tx_chain; | 
|  | struct spider_net_descr_chain rx_chain; | 
|  | struct spider_net_descr *low_watermark; | 
|  |  | 
|  | int aneg_count; | 
|  | struct timer_list aneg_timer; | 
|  | struct timer_list tx_timer; | 
|  | struct work_struct tx_timeout_task; | 
|  | atomic_t tx_timeout_task_counter; | 
|  | wait_queue_head_t waitq; | 
|  | int num_rx_ints; | 
|  | int ignore_rx_ramfull; | 
|  |  | 
|  | /* for ethtool */ | 
|  | int msg_enable; | 
|  | struct spider_net_extra_stats spider_stats; | 
|  |  | 
|  | /* Must be last item in struct */ | 
|  | struct spider_net_descr darray[0]; | 
|  | }; | 
|  |  | 
|  | #endif |