/*
- * 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 <utz.bacher@de.ibm.com>
* Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
#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[];
#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
#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_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
/** 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
/* 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
#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
*
* 000000 fixed to 0
* 00 burst alignment: 128 bytes
+ * 11 burst alignment: 1024 bytes
*
* 00000 fixed to 0
* 0 descr writeback size 32 bytes
#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 */
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;
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 */
* 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,
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
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