X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fnet%2Fspider_net.h;h=05f74cbdd617322b9e4b750c643f28566f5d33c1;hb=HEAD;hp=5922b529a04866991ed3dfeb875c46396e0962ee;hpb=11f1a52b87eaf830bd03d4e01d563437c30f7728;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/net/spider_net.h b/drivers/net/spider_net.h index 5922b52..05f74cb 100644 --- a/drivers/net/spider_net.h +++ b/drivers/net/spider_net.h @@ -1,7 +1,8 @@ /* - * Network device driver for Cell Processor-Based Blade + * Network device driver for Cell Processor-Based Blade and Celleb platform * * (C) Copyright IBM Corp. 2005 + * (C) Copyright 2006 TOSHIBA CORPORATION * * Authors : Utz Bacher * Jens Osterkamp @@ -24,12 +25,14 @@ #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 struct ethtool_ops spider_net_ethtool_ops; +extern const struct ethtool_ops spider_net_ethtool_ops; extern char spider_net_driver_name[]; @@ -47,7 +50,9 @@ extern char spider_net_driver_name[]; #define SPIDER_NET_TX_DESCRIPTORS_MIN 16 #define SPIDER_NET_TX_DESCRIPTORS_MAX 512 -#define SPIDER_NET_TX_TIMER 20 +#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 @@ -102,6 +107,7 @@ extern char spider_net_driver_name[]; #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 @@ -120,6 +126,8 @@ extern char spider_net_driver_name[]; #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 @@ -151,9 +159,8 @@ extern char spider_net_driver_name[]; /** interrupt mask registers */ #define SPIDER_NET_INT0_MASK_VALUE 0x3f7fe2c7 -#define SPIDER_NET_INT1_MASK_VALUE 0xffff7ff7 -/* no MAC aborts -> auto retransmission */ -#define SPIDER_NET_INT2_MASK_VALUE 0xffef7ff1 +#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 @@ -177,7 +184,8 @@ extern char spider_net_driver_name[]; /* pause frames: automatic, no upper retransmission count */ /* outside loopback mode: ETOMOD signal dont matter, not connected */ -#define SPIDER_NET_OPMODE_VALUE 0x00000063 +/* 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 @@ -187,7 +195,9 @@ extern char spider_net_driver_name[]; #define SPIDER_NET_MACMODE_VALUE 0x00000001 #define SPIDER_NET_BURSTLMT_VALUE 0x00000200 /* about 16 us */ -/* 1(0) enable r/tx dma +/* DMAC control register GDMACCNTR + * + * 1(0) enable r/tx dma * 0000000 fixed to 0 * * 000000 fixed to 0 @@ -196,6 +206,7 @@ extern char spider_net_driver_name[]; * * 000000 fixed to 0 * 00 burst alignment: 128 bytes + * 11 burst alignment: 1024 bytes * * 00000 fixed to 0 * 0 descr writeback size 32 bytes @@ -206,7 +217,13 @@ extern char spider_net_driver_name[]; #define SPIDER_NET_DMA_RX_VALUE 0x80000000 #define SPIDER_NET_DMA_RX_FEND_VALUE 0x00030003 /* to set TX_DMA_EN */ -#define SPIDER_NET_DMA_TX_VALUE 0x80000000 +#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 */ @@ -315,70 +332,58 @@ enum spider_net_int2_status { SPIDER_NET_GRISPDNGINT }; -#define SPIDER_NET_TXINT ( (1 << SPIDER_NET_GTTEDINT) | \ - (1 << SPIDER_NET_GDTDCEINT) | \ - (1 << SPIDER_NET_GDTFDCINT) ) +#define SPIDER_NET_TXINT (1 << SPIDER_NET_GDTFDCINT) -/* we rely on flagged descriptor interrupts*/ -#define SPIDER_NET_RXINT ( (1 << SPIDER_NET_GDAFDCINT) | \ - (1 << SPIDER_NET_GRMFLLINT) ) +/* 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) ) - -#define SPIDER_NET_GPREXEC 0x80000000 -#define SPIDER_NET_GPRDAT_MASK 0x0000ffff - -/* descriptor bits - * - * 1010 descriptor ready - * 0 descr in middle of chain - * 000 fixed to 0 - * - * 0 no interrupt on completion - * 000 fixed to 0 - * 1 no ipsec processing - * 1 last descriptor for this frame - * 00 no checksum - * 10 tcp checksum - * 11 udp checksum - * - * 00 fixed to 0 - * 0 fixed to 0 - * 0 no interrupt on response errors - * 0 no interrupt on invalid descr - * 0 no interrupt on dma process termination - * 0 no interrupt on descr chain end - * 0 no interrupt on descr complete - * - * 000 fixed to 0 - * 0 response error interrupt status - * 0 invalid descr status - * 0 dma termination status - * 0 descr chain end status - * 0 descr complete status */ -#define SPIDER_NET_DMAC_CMDSTAT_NOCS 0xa00c0000 -#define SPIDER_NET_DMAC_CMDSTAT_TCPCS 0xa00e0000 -#define SPIDER_NET_DMAC_CMDSTAT_UDPCS 0xa00f0000 -#define SPIDER_NET_DESCR_IND_PROC_SHIFT 28 -#define SPIDER_NET_DESCR_IND_PROC_MASKO 0x0fffffff - -/* descr ready, descr is in middle of chain, get interrupt on completion */ -#define SPIDER_NET_DMAC_RX_CARDOWNED 0xa0800000 - -enum spider_net_descr_status { - SPIDER_NET_DESCR_COMPLETE = 0x00, /* used in rx and tx */ - SPIDER_NET_DESCR_RESPONSE_ERROR = 0x01, /* used in rx and tx */ - SPIDER_NET_DESCR_PROTECTION_ERROR = 0x02, /* used in rx and tx */ - SPIDER_NET_DESCR_FRAME_END = 0x04, /* used in rx */ - SPIDER_NET_DESCR_FORCE_END = 0x05, /* used in rx and tx */ - SPIDER_NET_DESCR_CARDOWNED = 0x0a, /* used in rx and tx */ - SPIDER_NET_DESCR_NOT_IN_USE /* any other value */ -}; - -struct spider_net_descr { - /* as defined by the hardware */ + (~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; @@ -387,18 +392,24 @@ struct spider_net_descr { u32 valid_size; /* all zeroes for tx */ u32 data_status; u32 data_error; /* all zeroes for tx */ +} __attribute__((aligned(32))); - /* used in the driver */ +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; -} __attribute__((aligned(32))); +}; struct spider_net_descr_chain { - /* we walk from tail to head */ + 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 */ @@ -418,8 +429,6 @@ struct spider_net_descr_chain { * 701b8000 would be correct, but every packets gets that flag */ #define SPIDER_NET_DESTROY_RX_FLAGS 0x700b8000 -#define SPIDER_NET_DESCR_SIZE 32 - /* this will be bigger some time */ struct spider_net_options { int rx_csum; /* for rx: if 0 ip_summed=NONE, @@ -442,37 +451,46 @@ struct spider_net_options { 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; - atomic_t rx_chain_refill; - atomic_t tx_chain_release; - - struct net_device_stats netdev_stats; - - struct spider_net_options options; + struct spider_net_descr *low_watermark; - spinlock_t intmask_lock; - struct tasklet_struct rxram_full_tl; + 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; + struct spider_net_options options; - struct spider_net_descr descr[0]; + /* Must be last item in struct */ + struct spider_net_descr darray[0]; }; -#define pr_err(fmt,arg...) \ - printk(KERN_ERR fmt ,##arg) - #endif