* Copyright 2008 JMicron Technology Corporation
* http://www.jmicron.com/
*
+ * Author: Guo-Fu Tseng <cooldavid@cooldavid.org>
+ *
* 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 of the License.
#include <linux/version.h>
#define DRV_NAME "jme"
-#define DRV_VERSION "0.2"
+#define DRV_VERSION "0.5"
#define PFX DRV_NAME ": "
#ifdef DEBUG
#define dprintk(devname, fmt, args...) \
- printk(KERN_DEBUG PFX "%s: " fmt, devname, ## args);
+ printk(KERN_DEBUG "%s: " fmt, devname, ## args)
#else
#define dprintk(devname, fmt, args...)
#endif
+#ifdef TX_DEBUG
+#define tx_dbg(devname, fmt, args...) dprintk(devname, fmt, ## args)
+#else
+#define tx_dbg(args...)
+#endif
+
+#ifdef RX_DEBUG
+#define rx_dbg(devname, fmt, args...) dprintk(devname, fmt, ## args)
+#else
+#define rx_dbg(args...)
+#endif
+
#define jprintk(devname, fmt, args...) \
- printk(KERN_INFO PFX "%s: " fmt, devname, ## args);
+ printk(KERN_INFO "%s: " fmt, devname, ## args)
#define jeprintk(devname, fmt, args...) \
- printk(KERN_ERR PFX "%s: " fmt, devname, ## args);
-
-#undef RX_QUEUE_DEBUG
-#undef RX_PKT_DEBUG
-#undef RX_ERR_DEBUG
-#undef TX_QUEUE_DEBUG
-#undef TX_PKT_DEBUG
-#undef TX_BUSY_DEBUG
-#undef INTERRUPT_DEBUG
-#undef SET_MULTI_DEBUG
-#undef TX_TASKLET_DEBUG
+ printk(KERN_ERR "%s: " fmt, devname, ## args)
#define USE_IEVE_SHADOW 0
MRRS_4096B = 0x50,
};
+enum dynamic_pcc_values {
+ PCC_P1 = 1,
+ PCC_P2 = 2,
+ PCC_P3 = 3,
+
+ PCC_P1_TO = 1,
+ PCC_P2_TO = 250,
+ PCC_P3_TO = 1000,
+
+ PCC_P1_CNT = 1,
+ PCC_P2_CNT = 64,
+ PCC_P3_CNT = 255,
+};
+struct dynpcc_info {
+ unsigned long check_point;
+ unsigned long last_bytes;
+ unsigned long last_pkts;
+ unsigned char cur;
+ unsigned char attempt;
+ unsigned char cnt;
+};
+#define PCC_INTERVAL (HZ / 10)
+#define PCC_P3_THRESHOLD 3*1024*1024
+#define PCC_P2_THRESHOLD 1000
+#define PCC_TX_TO 60000
+#define PCC_TX_CNT 8
+
/*
* TX/RX Descriptors
*
#define TX_RING_ALLOC_SIZE (RING_DESC_NR * TX_DESC_SIZE) + TX_DESC_SIZE
#define TX_RING_SIZE (RING_DESC_NR * TX_DESC_SIZE)
-struct TxDesc {
+struct txdesc {
union {
__u8 all[16];
__u32 dw[4];
/* DW3 */
__u32 bufaddr;
} desc1;
+ struct {
+ /* DW0 */
+ __u16 rsv1;
+ __u8 rsv2;
+ __u8 flags;
+
+ /* DW1 */
+ __u16 datalen;
+ __u16 rsv3;
+
+ /* DW2 */
+ __u32 bufaddrh;
+
+ /* DW3 */
+ __u32 bufaddrl;
+ } desc2;
+ struct {
+ /* DW0 */
+ __u8 ehdrsz;
+ __u8 rsv1;
+ __u8 rsv2;
+ __u8 flags;
+
+ /* DW1 */
+ __u16 trycnt;
+ __u16 segcnt;
+
+ /* DW2 */
+ __u16 pktsz;
+ __u16 rsv3;
+
+ /* DW3 */
+ __u32 bufaddrl;
+ } descwb;
};
};
-enum jme_txdesc_flag_bits {
+enum jme_txdesc_flags_bits {
TXFLAG_OWN = 0x80,
TXFLAG_INT = 0x40,
+ TXFLAG_64BIT = 0x20,
TXFLAG_TCPCS = 0x10,
TXFLAG_UDPCS = 0x08,
TXFLAG_IPCS = 0x04,
TXFLAG_LSEN = 0x02,
TXFLAG_TAGON = 0x01,
};
+enum jme_rxdescwb_flags_bits {
+ TXWBFLAG_OWN = 0x80,
+ TXWBFLAG_INT = 0x40,
+ TXWBFLAG_TMOUT = 0x20,
+ TXWBFLAG_TRYOUT = 0x10,
+ TXWBFLAG_COL = 0x08,
+
+ TXWBFLAG_ALLERR = TXWBFLAG_TMOUT |
+ TXWBFLAG_TRYOUT |
+ TXWBFLAG_COL,
+};
#define RX_DESC_SIZE 16
#define RX_RING_SIZE (RING_DESC_NR * RX_DESC_SIZE)
#define RX_BUF_DMA_ALIGN 8
-//#define RX_BUF_SIZE 1600
#define RX_BUF_SIZE 9216
+#define RX_PREPAD_SIZE 10
+
/*
* Will use mtu in the future
*/
#define RX_BUF_ALLOC_SIZE RX_BUF_SIZE + RX_BUF_DMA_ALIGN
-struct RxDesc {
+struct rxdesc {
union {
__u8 all[16];
__le32 dw[4];
__le32 rsshash;
/* DW3 */
- __u8 hashfun;
- __u8 hashtype;
+ __u8 hashfun;
+ __u8 hashtype;
__le16 resrv;
} descwb;
};
struct sk_buff *skb;
dma_addr_t mapping;
int len;
+ int nr_desc;
};
struct jme_ring {
void* alloc; /* pointer to allocated memory */
- void* desc; /* pointer to ring memory */
+ volatile void* desc; /* pointer to ring memory */
dma_addr_t dmaalloc; /* phys address of ring alloc */
dma_addr_t dma; /* phys address for ring dma */
u16 next_to_use;
u16 next_to_clean;
+
+ u16 nr_free;
};
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
+#define NET_STAT(priv) priv->stats
+#define NETDEV_GET_STATS(netdev, fun_ptr) \
+ netdev->get_stats = fun_ptr
+#define DECLARE_NET_DEVICE_STATS struct net_device_stats stats;
+#else
+#define NET_STAT(priv) priv->dev->stats
+#define NETDEV_GET_STATS(netdev, fun_ptr)
+#define DECLARE_NET_DEVICE_STATS
+#endif
+
/*
* Jmac Adapter Private data
*/
struct mii_if_info mii_if;
struct jme_ring rxring[RX_RING_NR];
struct jme_ring txring[TX_RING_NR];
- spinlock_t xmit_lock;
- spinlock_t recv_lock;
- spinlock_t macaddr_lock;
+ spinlock_t tx_lock;
spinlock_t phy_lock;
+ spinlock_t macaddr_lock;
+ spinlock_t rxmcs_lock;
+ struct tasklet_struct rxempty_task;
struct tasklet_struct rxclean_task;
struct tasklet_struct txclean_task;
struct tasklet_struct linkch_task;
- __u32 flags;
+ __u32 features;
__u32 reg_txcs;
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
- struct net_device_stats stats;
-#endif
+ __u32 reg_txpfc;
+ __u32 reg_rxmcs;
+ __u32 reg_ghc;
+ __u32 phylink;
+ __u8 mrrs;
+ struct dynpcc_info dpi;
+ atomic_t intr_sem;
+ atomic_t link_changing;
+ atomic_t tx_cleaning;
+ atomic_t rx_cleaning;
+ DECLARE_NET_DEVICE_STATS
};
enum shadow_reg_val {
SHADOW_IEVE = 0,
};
+enum jme_features_bits {
+ JME_FEATURE_LALALA = 0x00000001,
+};
+#define WAIT_TASKLET_TIMEOUT 500 /* 500 ms */
+#define TX_TIMEOUT (5*HZ)
-#define JME_FLAG_RXQ0_EMPTY 0x00000001
-#define JME_FLAG_RXQ1_EMPTY 0x00000002
-#define JME_FLAG_RXQ2_EMPTY 0x00000004
-#define JME_FLAG_RXQ3_EMPTY 0x00000008
-
-#if LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,21)
-#define NET_STAT jme->stats
-#else
-#define NET_STAT netdev->stats
-#endif
/*
* MMaped I/O Resters
JME_RSS = 0x0C00,
};
+enum jme_iomap_lens {
+ JME_MAC_LEN = 0x80,
+ JME_PHY_LEN = 0x58,
+ JME_MISC_LEN = 0x98,
+ JME_RSS_LEN = 0xFF,
+};
+
enum jme_iomap_regs {
JME_TXCS = JME_MAC | 0x00, /* Transmit Control and Status */
- JME_TXDBA = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
+ JME_TXDBA_LO = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */
+ JME_TXDBA_HI = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */
JME_TXQDC = JME_MAC | 0x0C, /* Transmit Queue Desc Count */
JME_TXNDA = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */
JME_TXMCS = JME_MAC | 0x14, /* Transmit MAC Control Status */
JME_TXTRHD = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */
JME_RXCS = JME_MAC | 0x20, /* Receive Control and Status */
- JME_RXDBA = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
+ JME_RXDBA_LO = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */
+ JME_RXDBA_HI = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */
JME_RXQDC = JME_MAC | 0x2C, /* Receive Queue Desc Count */
JME_RXNDA = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */
JME_RXMCS = JME_MAC | 0x34, /* Receive MAC Control Status */
JME_RXUMA_LO = JME_MAC | 0x38, /* Receive Unicast MAC Address */
JME_RXUMA_HI = JME_MAC | 0x3C, /* Receive Unicast MAC Address */
- JME_RXMCHT_LO = JME_MAC | 0x40, /* Receive Multicast Addr HashTable */
- JME_RXMCHT_HI = JME_MAC | 0x44, /* Receive Multicast Addr HashTable */
+ JME_RXMCHT_LO = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */
+ JME_RXMCHT_HI = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */
JME_WFODP = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */
JME_WFOI = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */
JME_PMCS = JME_MAC | 0x60, /* Power Management Control/Stat */
- JME_PHY_CS = JME_PHY | 0x28, /* PHY Control and Status Register */
+ JME_PHY_CS = JME_PHY | 0x28, /* PHY Ctrl and Status Register */
JME_PHY_LINK = JME_PHY | 0x30, /* PHY Link Status Register */
JME_SMBCSR = JME_PHY | 0x40, /* SMB Control and Status */
JME_GPREG0 = JME_MISC| 0x08, /* General purpose REG-0 */
JME_GPREG1 = JME_MISC| 0x0C, /* General purpose REG-1 */
JME_IEVE = JME_MISC| 0x20, /* Interrupt Event Status */
- JME_IREQ = JME_MISC| 0x24, /* Interrupt Req Status (For Debug) */
+ JME_IREQ = JME_MISC| 0x24, /* Interrupt Req Status(For Debug) */
JME_IENS = JME_MISC| 0x28, /* Interrupt Enable - Setting Port */
- JME_IENC = JME_MISC| 0x2C, /* Interrupt Enable - Clearing Port */
+ JME_IENC = JME_MISC| 0x2C, /* Interrupt Enable - Clear Port */
+ JME_PCCRX0 = JME_MISC| 0x30, /* PCC Control for RX Queue 0 */
+ JME_PCCTX = JME_MISC| 0x40, /* PCC Control for TX Queues */
JME_SHBA_HI = JME_MISC| 0x48, /* Shadow Register Base HI */
JME_SHBA_LO = JME_MISC| 0x4C, /* Shadow Register Base LO */
+ JME_PCCSRX0 = JME_MISC| 0x80, /* PCC Status of RX0 */
};
/*
TXCS_DEFAULT = TXCS_FIFOTH_4QW |
TXCS_BURST,
};
-#define JME_TX_DISABLE_TIMEOUT 200 /* 200 usec */
+#define JME_TX_DISABLE_TIMEOUT 5 /* 5 msec */
/*
* TX MAC Control/Status Bits
TXMCS_PADDING,
};
+enum jme_txpfc_bits_masks {
+ TXPFC_VLAN_TAG = 0xFFFF0000,
+ TXPFC_VLAN_EN = 0x00008000,
+ TXPFC_PF_EN = 0x00000001,
+};
+
+enum jme_txtrhd_bits_masks {
+ TXTRHD_TXPEN = 0x80000000,
+ TXTRHD_TXP = 0x7FFFFF00,
+ TXTRHD_TXREN = 0x00000080,
+ TXTRHD_TXRL = 0x0000007F,
+};
+enum jme_txtrhd_shifts {
+ TXTRHD_TXP_SHIFT = 8,
+ TXTRHD_TXRL_SHIFT = 0,
+};
+
/*
* RX Control/Status Bits
*/
enum jme_rxcs_bit_masks {
- RXCS_FIFOTHTP = 0x30000000, /* FIFO full threshold for transmitting Tx Pause Packet */
- RXCS_FIFOTHNP = 0x0C000000, /* FIFO threshold for processing next packet */
+ /* FIFO full threshold for transmitting Tx Pause Packet */
+ RXCS_FIFOTHTP = 0x30000000,
+ /* FIFO threshold for processing next packet */
+ RXCS_FIFOTHNP = 0x0C000000,
RXCS_DMAREQSZ = 0x03000000, /* DMA Request Size */
RXCS_QUEUESEL = 0x00030000, /* Queue selection */
RXCS_RETRYGAP = 0x0000F000, /* RX Desc full retry gap */
RXCS_RETRYCNT_60 = 0x00000F00,
RXCS_DEFAULT = RXCS_FIFOTHTP_128T |
- RXCS_FIFOTHNP_128QW |
+ //RXCS_FIFOTHNP_128QW |
+ RXCS_FIFOTHNP_32QW |
RXCS_DMAREQSZ_128B |
RXCS_RETRYGAP_256ns |
RXCS_RETRYCNT_32,
};
-#define JME_RX_DISABLE_TIMEOUT 200 /* 200 usec */
+#define JME_RX_DISABLE_TIMEOUT 5 /* 5 msec */
/*
* RX MAC Control/Status Bits
RXMCS_UNIFRAME = 0x00000100,
RXMCS_ALLMULFRAME = 0x00000080,
RXMCS_MULFILTERED = 0x00000040,
+ RXMCS_RXCOLLDEC = 0x00000020,
+ RXMCS_FLOWCTRL = 0x00000008,
+ RXMCS_VTAGRM = 0x00000004,
+ RXMCS_PREPAD = 0x00000002,
+ RXMCS_CHECKSUM = 0x00000001,
+
+ RXMCS_DEFAULT = RXMCS_VTAGRM |
+ RXMCS_PREPAD |
+ RXMCS_FLOWCTRL |
+ RXMCS_CHECKSUM,
};
/*
SMI_REG_ADDR_MASK = 0x0000F800,
SMI_PHY_ADDR_MASK = 0x000007C0,
SMI_OP_WRITE = 0x00000020,
- SMI_OP_REQ = 0x00000010, /* Set to 1, after req done it'll be cleared to 0 */
+ /* Set to 1, after req done it'll be cleared to 0 */
+ SMI_OP_REQ = 0x00000010,
SMI_OP_MDIO = 0x00000008, /* Software assess In/Out */
SMI_OP_MDOE = 0x00000004, /* Software Output Enable */
SMI_OP_MDC = 0x00000002, /* Software CLK Control */
};
/*
- * Giga PHY Status Registers
+ * Giga PHY Status Registers
*/
enum jme_phy_link_bit_mask {
PHY_LINK_SPEED_MASK = 0x0000C000,
PHY_LINK_SPEEDDPU_RESOLVED = 0x00000800,
PHY_LINK_UP = 0x00000400,
PHY_LINK_AUTONEG_COMPLETE = 0x00000200,
+ PHY_LINK_MDI_STAT = 0x00000040,
};
enum jme_phy_link_speed_val {
PHY_LINK_SPEED_10M = 0x00000000,
PHY_LINK_SPEED_100M = 0x00004000,
PHY_LINK_SPEED_1000M = 0x00008000,
};
-#define JME_AUTONEG_TIMEOUT 500 /* 500 ms */
+#define JME_SPDRSV_TIMEOUT 500 /* 500 us */
/*
* SMB Control and Status
* General Purpost REG-0
*/
enum jme_gpreg0_masks {
- GPREG0_DISSH = 0xFF000000,
- GPREG0_PCIRLMT = 0x00300000,
- GPREG0_PCCTMR = 0x00000300,
- GPREG0_PHYADDR = 0x0000001F,
+ GPREG0_DISSH = 0xFF000000,
+ GPREG0_PCIRLMT = 0x00300000,
+ GPREG0_PCCNOMUTCLR = 0x00040000,
+ GPREG0_PCCTMR = 0x00000300,
+ GPREG0_PHYADDR = 0x0000001F,
};
enum jme_gpreg0_vals {
GPREG0_DISSH_DW7 = 0x80000000,
GPREG0_PCIRLMT_4 = 0x00300000,
GPREG0_PCCTMR_16ns = 0x00000000,
- GPREG0_PCCTMR_256ns = 0x00000010,
- GPREG0_PCCTMR_1us = 0x00000020,
- GPREG0_PCCTMR_1ms = 0x00000030,
+ GPREG0_PCCTMR_256ns = 0x00000100,
+ GPREG0_PCCTMR_1us = 0x00000200,
+ GPREG0_PCCTMR_1ms = 0x00000300,
GPREG0_PHYADDR_1 = 0x00000001,
GPREG0_DEFAULT = GPREG0_PCIRLMT_4 |
- GPREG0_PHYADDR_1,
+ GPREG0_PCCNOMUTCLR |
+ GPREG0_PCCTMR_1us |
+ GPREG0_PHYADDR_1,
};
/*
};
static const __u32 INTR_ENABLE = INTR_LINKCH |
INTR_RX0EMP |
- INTR_RX0 |
- INTR_TX0;
+ INTR_PCCRX0TO |
+ INTR_PCCRX0 |
+ INTR_PCCTXTO |
+ INTR_PCCTX;
+
+/*
+ * PCC Control Registers
+ */
+enum jme_pccrx_masks {
+ PCCRXTO_MASK = 0xFFFF0000,
+ PCCRX_MASK = 0x0000FF00,
+};
+enum jme_pcctx_masks {
+ PCCTXTO_MASK = 0xFFFF0000,
+ PCCTX_MASK = 0x0000FF00,
+ PCCTX_QS_MASK = 0x000000FF,
+};
+enum jme_pccrx_shifts {
+ PCCRXTO_SHIFT = 16,
+ PCCRX_SHIFT = 8,
+};
+enum jme_pcctx_shifts {
+ PCCTXTO_SHIFT = 16,
+ PCCTX_SHIFT = 8,
+};
+enum jme_pcctx_bits {
+ PCCTXQ0_EN = 0x00000001,
+ PCCTXQ1_EN = 0x00000002,
+ PCCTXQ2_EN = 0x00000004,
+ PCCTXQ3_EN = 0x00000008,
+ PCCTXQ4_EN = 0x00000010,
+ PCCTXQ5_EN = 0x00000020,
+ PCCTXQ6_EN = 0x00000040,
+ PCCTXQ7_EN = 0x00000080,
+};
+
/*
* Shadow base address register bits
static int jme_set_macaddr(struct net_device *netdev, void *p);
static void jme_set_multi(struct net_device *netdev);
+
git://bbs.cooldavid.org / jme.git / blobdiff