diff options
Diffstat (limited to 'target/linux/rdc-2.6/files/drivers/net/r6040.c')
| -rw-r--r-- | target/linux/rdc-2.6/files/drivers/net/r6040.c | 540 |
1 files changed, 273 insertions, 267 deletions
diff --git a/target/linux/rdc-2.6/files/drivers/net/r6040.c b/target/linux/rdc-2.6/files/drivers/net/r6040.c index 9b72386..95210d9 100644 --- a/target/linux/rdc-2.6/files/drivers/net/r6040.c +++ b/target/linux/rdc-2.6/files/drivers/net/r6040.c @@ -1,4 +1,4 @@ -/* rdc.c: A RDC FastEthernet driver for linux. */ +/* r6040.c: A RDC R6040 FastEthernet driver for linux. */ /* Re-written 2004 by Sten Wang. @@ -8,21 +8,33 @@ distributed according to the terms of the GNU General Public License, incorporated herein by reference. - This driver is for RDC FastEthernet MAC series. + This driver is for RDC R6040 FastEthernet MAC series. For kernel version after 2.4.22 Modification List ---------- ------------------------------------------------ + 08-24-2006 Support at linux 2.6.10 above + 03-24-2006 Support NAPI + 03-21-2006 By Charies,change spin_lock_irqsave(lp->lock, flags) to + spin_lock_irqsave(&lp->lock, flags) in set_multicast_list + 03-15-2006 Modify the set_multicast_list ,due to when re-plug the ethernet, + it will forget the previous setting + 07-12-2005 Tim, modify the set_multicast_list + 03-28-2005 Tim, modify some error mac register offset in + function set_multicast_list + 03-27-2005 Tim, Add the internal state machine reset + Sten, If multicast address more than 4, enter PROM mode + Changed rdc to r6040 12-22-2004 Sten Init MAC MBCR register=0x012A PHY_CAP = 0x01E1 -*/ -#define FORICPLUS /* Supports ICPlus IP175C switch chip */ -#define BOOSTRDC /* Accelerate Ethernet performance */ + Need to Do LIst: + 1. If multicast address more than 4, use the multicast address hash +*/ -#define DRV_NAME "rdc" -#define DRV_VERSION "0.6" -#define DRV_RELDATE "9July2004" +#define DRV_NAME "r6040" +#define DRV_VERSION "0.13" +#define DRV_RELDATE "24Aug2006" /* PHY CHIP Address */ #define PHY1_ADDR 1 /* For MAC1 */ @@ -31,7 +43,7 @@ #define PHY_CAP 0x01E1 /* PHY CHIP Register 4 */ /* Time in jiffies before concluding the transmitter is hung. */ -#define TX_TIMEOUT (400 * HZ / 1000) +#define TX_TIMEOUT (6000 * HZ / 1000) #define TIMER_WUT (jiffies + HZ * 1)/* timer wakeup time : 1 second */ /* RDC MAC ID */ @@ -47,16 +59,11 @@ #define MAX_MAC 2 /* MAC setting */ -#ifdef BOOSTRDC -#define TX_DCNT 32 /* TX descriptor count */ -#define RX_DCNT 32 /* RX descriptor count */ -#else -#define TX_DCNT 0x8 /* TX descriptor count */ -#define RX_DCNT 0x8 /* RX descriptor count */ -#endif +#define TX_DCNT 0x80 /* TX descriptor count */ +#define RX_DCNT 0x80 /* RX descriptor count */ #define MAX_BUF_SIZE 0x600 -#define ALLOC_DESC_SIZE ((TX_DCNT+RX_DCNT)*sizeof(struct rdc_descriptor)+0x10) -#define MBCR_DEFAULT 0x012A /* MAC Control Register */ +#define ALLOC_DESC_SIZE ((TX_DCNT+RX_DCNT)*sizeof(struct r6040_descriptor)+0x10) +#define MBCR_DEFAULT 0x012A /* MAC Bus Control Register */ /* Debug enable or not */ #define RDC_DEBUG 0 @@ -69,6 +76,10 @@ #include <linux/module.h> +#include <linux/version.h> +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) +#include <linux/moduleparam.h> +#endif #include <linux/kernel.h> #include <linux/string.h> #include <linux/timer.h> @@ -94,110 +105,114 @@ #include <asm/uaccess.h> MODULE_AUTHOR("Sten Wang <sten.wang@rdc.com.tw>"); -MODULE_DESCRIPTION("RDC R6040 PCI FastEthernet Driver"); MODULE_LICENSE("GPL"); +#ifdef CONFIG_R6040_NAPI +MODULE_DESCRIPTION("RDC R6040 NAPI PCI FastEthernet Driver"); +#else +MODULE_DESCRIPTION("RDC R6040 PCI FastEthernet Driver"); +#endif -//MODULE_PARM(adr_table, "2-4i"); -MODULE_PARM_DESC(adr_table, "MAC Address (assigned)"); +#define R6040_INT_MASK 0x0011 -struct rdc_descriptor { +struct r6040_descriptor { u16 status, len; /* 0-3 */ u32 buf; /* 4-7 */ u32 ndesc; /* 8-B */ u32 rev1; /* C-F */ char *vbufp; /* 10-13 */ - struct rdc_descriptor *vndescp; /* 14-17 */ + struct r6040_descriptor *vndescp; /* 14-17 */ struct sk_buff *skb_ptr; /* 18-1B */ u32 rev2; /* 1C-1F */ } __attribute__(( aligned(32) )); -struct rdc_private { +struct r6040_private { struct net_device_stats stats; spinlock_t lock; struct timer_list timer; struct pci_dev *pdev; - struct rdc_descriptor *rx_insert_ptr; - struct rdc_descriptor *rx_remove_ptr; - struct rdc_descriptor *tx_insert_ptr; - struct rdc_descriptor *tx_remove_ptr; + struct r6040_descriptor *rx_insert_ptr; + struct r6040_descriptor *rx_remove_ptr; + struct r6040_descriptor *tx_insert_ptr; + struct r6040_descriptor *tx_remove_ptr; u16 tx_free_desc, rx_free_desc, phy_addr, phy_mode; u16 mcr0, mcr1; dma_addr_t desc_dma; char *desc_pool; }; -struct rdc_chip_info { +struct r6040_chip_info { const char *name; u16 pci_flags; int io_size; int drv_flags; }; +#ifdef CONFIG_R6040_NAPI +static int NAPI_status; +#endif + static int __devinitdata printed_version; +#ifdef CONFIG_R6040_NAPI static char version[] __devinitdata = - KERN_INFO DRV_NAME ": RDC R6040 net driver, version " - DRV_VERSION " (" DRV_RELDATE ")\n"; - -static struct rdc_chip_info rdc_chip_info[] __devinitdata = + KERN_INFO DRV_NAME ": RDC R6040 NAPI net driver, version "DRV_VERSION " (" DRV_RELDATE ")\n"; +#else +static char version[] __devinitdata = + KERN_INFO DRV_NAME ": RDC R6040 net driver, version "DRV_VERSION " (" DRV_RELDATE ")\n"; +#endif +static struct r6040_chip_info r6040_chip_info[] __devinitdata = { { "RDC R6040 Knight", R6040_PCI_CMD, R6040_IO_SIZE, 0} }; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) +static int NUM_MAC_TABLE = 2 ; +#endif + static int phy_table[] = { 0x1, 0x2}; static u8 adr_table[2][8] = {{0x00, 0x00, 0x60, 0x00, 0x00, 0x01}, {0x00, 0x00, 0x60, 0x00, 0x00, 0x02}}; -static int rdc_open(struct net_device *dev); -static int rdc_start_xmit(struct sk_buff *skb, struct net_device *dev); -static irqreturn_t rdc_interrupt(int irq, void *dev_id); -static struct net_device_stats *rdc_get_stats(struct net_device *dev); -static int rdc_close(struct net_device *dev); +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 10) + module_param_array(adr_table, int, &NUM_MAC_TABLE, 0644); +#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 0) + module_param_array(adr_table, int, NUM_MAC_TABLE, 0644); +#else + MODULE_PARM(adr_table, "2-4i"); +#endif +MODULE_PARM_DESC(adr_table, "MAC Address (assigned)"); + +static int r6040_open(struct net_device *dev); +static int r6040_start_xmit(struct sk_buff *skb, struct net_device *dev); +static irqreturn_t r6040_interrupt(int irq, void *dev_id, struct pt_regs *regs); +static struct net_device_stats *r6040_get_stats(struct net_device *dev); +static int r6040_close(struct net_device *dev); static void set_multicast_list(struct net_device *dev); static struct ethtool_ops netdev_ethtool_ops; static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd); -static void rdc_down(struct net_device *dev); -static void rdc_up(struct net_device *dev); -static void rdc_tx_timeout (struct net_device *dev); -static void rdc_timer(unsigned long); +static void r6040_down(struct net_device *dev); +static void r6040_up(struct net_device *dev); +static void r6040_tx_timeout (struct net_device *dev); +static void r6040_timer(unsigned long); static int phy_mode_chk(struct net_device *dev); static int phy_read(int ioaddr, int phy_adr, int reg_idx); static void phy_write(int ioaddr, int phy_adr, int reg_idx, int dat); - -#ifdef BOOSTRDC -#define rx_buf_alloc(lp) \ - do { \ - struct rdc_descriptor *descptr; \ - descptr = lp->rx_insert_ptr; \ - while(lp->rx_free_desc < RX_DCNT){ \ - descptr->skb_ptr = dev_alloc_skb(MAX_BUF_SIZE); \ - if (!descptr->skb_ptr) break; \ - descptr->buf = cpu_to_le32(pci_map_single(lp->pdev, descptr->skb_ptr->tail, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE)); \ - descptr->status = 0x8000; \ - descptr = descptr->vndescp; \ - lp->rx_free_desc++; \ - } \ - lp->rx_insert_ptr = descptr; \ - } while(0) - -#else -static void rx_buf_alloc(struct rdc_private *lp); +static void rx_buf_alloc(struct r6040_private *lp,struct net_device *dev); +#ifdef CONFIG_R6040_NAPI +static int r6040_poll(struct net_device *netdev, int *budget); #endif -#ifdef FORICPLUS -static void process_ioctl(struct net_device*, unsigned long* ); -#endif -static int __devinit rdc_init_one (struct pci_dev *pdev, +static int __devinit r6040_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) { struct net_device *dev; - struct rdc_private *lp; + struct r6040_private *lp; int ioaddr, io_size, err; static int card_idx = -1; int chip_id = (int)ent->driver_data; - RDC_DBUG("rdc_init_one()", 0); + RDC_DBUG("r6040_init_one()", 0); if (printed_version++) printk(version); @@ -212,7 +227,7 @@ static int __devinit rdc_init_one (struct pci_dev *pdev, } /* IO Size check */ - io_size = rdc_chip_info[chip_id].io_size; + io_size = r6040_chip_info[chip_id].io_size; if (pci_resource_len (pdev, 0) < io_size) { return -ENODEV; } @@ -220,7 +235,7 @@ static int __devinit rdc_init_one (struct pci_dev *pdev, ioaddr = pci_resource_start (pdev, 0); /* IO map base address */ pci_set_master(pdev); - dev = alloc_etherdev(sizeof(struct rdc_private)); + dev = alloc_etherdev(sizeof(struct r6040_private)); if (dev == NULL) return -ENOMEM; SET_MODULE_OWNER(dev); @@ -243,7 +258,7 @@ static int __devinit rdc_init_one (struct pci_dev *pdev, card_idx++; memcpy(dev->dev_addr, (u8 *)&adr_table[card_idx][0], 6); - /* Link new device into rdc_root_dev */ + /* Link new device into r6040_root_dev */ lp->pdev = pdev; /* Init RDC private data */ @@ -251,15 +266,19 @@ static int __devinit rdc_init_one (struct pci_dev *pdev, lp->phy_addr = phy_table[card_idx]; /* The RDC-specific entries in the device structure. */ - dev->open = &rdc_open; - dev->hard_start_xmit = &rdc_start_xmit; - dev->stop = &rdc_close; - dev->get_stats = &rdc_get_stats; + dev->open = &r6040_open; + dev->hard_start_xmit = &r6040_start_xmit; + dev->stop = &r6040_close; + dev->get_stats = &r6040_get_stats; dev->set_multicast_list = &set_multicast_list; dev->do_ioctl = &netdev_ioctl; dev->ethtool_ops = &netdev_ethtool_ops; - dev->tx_timeout = &rdc_tx_timeout; + dev->tx_timeout = &r6040_tx_timeout; dev->watchdog_timeo = TX_TIMEOUT; +#ifdef CONFIG_R6040_NAPI + dev->poll = &r6040_poll; + dev->weight = 64; +#endif /* Register net device. After this dev->name assign */ if ((err = register_netdev(dev))) { @@ -280,7 +299,7 @@ err_out_disable: return err; } -static void __devexit rdc_remove_one (struct pci_dev *pdev) +static void __devexit r6040_remove_one (struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata(pdev); @@ -292,45 +311,43 @@ static void __devexit rdc_remove_one (struct pci_dev *pdev) } static int -rdc_open(struct net_device *dev) +r6040_open(struct net_device *dev) { - struct rdc_private *lp = dev->priv; + struct r6040_private *lp = dev->priv; int i; - RDC_DBUG("rdc_open()", 0); + RDC_DBUG("r6040_open()", 0); /* Request IRQ and Register interrupt handler */ - i = request_irq(dev->irq, &rdc_interrupt, SA_SHIRQ, dev->name, dev); + i = request_irq(dev->irq, &r6040_interrupt, SA_SHIRQ, dev->name, dev); if (i) return i; /* Allocate Descriptor memory */ lp->desc_pool = pci_alloc_consistent(lp->pdev, ALLOC_DESC_SIZE, &lp->desc_dma); if (!lp->desc_pool) return -ENOMEM; - rdc_up(dev); + r6040_up(dev); netif_start_queue(dev); -#ifndef FORICPLUS /* set and active a timer process */ init_timer(&lp->timer); lp->timer.expires = TIMER_WUT; lp->timer.data = (unsigned long)dev; - lp->timer.function = &rdc_timer; + lp->timer.function = &r6040_timer; add_timer(&lp->timer); -#endif return 0; } static void -rdc_tx_timeout (struct net_device *dev) +r6040_tx_timeout (struct net_device *dev) { - struct rdc_private *lp = dev->priv; + struct r6040_private *lp = dev->priv; //int ioaddr = dev->base_addr; - //struct rdc_descriptor *descptr = lp->tx_remove_ptr; + //struct r6040_descriptor *descptr = lp->tx_remove_ptr; - RDC_DBUG("rdc_tx_timeout()", 0); + RDC_DBUG("r6040_tx_timeout()", 0); /* Transmitter timeout, serious problems. */ /* Sten: Nothing need to do so far. */ @@ -345,14 +362,14 @@ rdc_tx_timeout (struct net_device *dev) static int -rdc_start_xmit(struct sk_buff *skb, struct net_device *dev) +r6040_start_xmit(struct sk_buff *skb, struct net_device *dev) { - struct rdc_private *lp = dev->priv; - struct rdc_descriptor *descptr; + struct r6040_private *lp = dev->priv; + struct r6040_descriptor *descptr; int ioaddr = dev->base_addr; unsigned long flags; - RDC_DBUG("rdc_start_xmit()", 0); + RDC_DBUG("r6040_start_xmit()", 0); if (skb == NULL) /* NULL skb directly return */ return 0; @@ -401,30 +418,46 @@ rdc_start_xmit(struct sk_buff *skb, struct net_device *dev) /* The RDC interrupt handler. */ static irqreturn_t -rdc_interrupt(int irq, void *dev_id) +r6040_interrupt(int irq, void *dev_id, struct pt_regs *regs) { struct net_device *dev = dev_id; - struct rdc_private *lp; - struct rdc_descriptor *descptr; + struct r6040_private *lp; + struct r6040_descriptor *descptr; struct sk_buff *skb_ptr; int ioaddr, status; unsigned long flags; +#ifdef CONFIG_R6040_NAPI + int handled = 1; +#else int handled = 0; +#endif - RDC_DBUG("rdc_interrupt()", 0); + RDC_DBUG("r6040_interrupt()", 0); if (dev == NULL) { printk (KERN_ERR DRV_NAME ": INT() unknown device.\n"); return IRQ_RETVAL(handled); } - lp = (struct rdc_private *)dev->priv; + lp = (struct r6040_private *)dev->priv; spin_lock_irqsave(&lp->lock, flags); /* Check MAC Interrupt status */ ioaddr = dev->base_addr; outw(0x0, ioaddr + 0x40); /* Mask Off RDC MAC interrupt */ status = inw(ioaddr + 0x3c); /* Read INTR status and clear */ + + +#ifdef CONFIG_R6040_NAPI + if(netif_rx_schedule_prep(dev)) + { + NAPI_status = status ; + __netif_rx_schedule(dev); + } + + spin_unlock_irqrestore(&lp->lock, flags); + return IRQ_RETVAL(handled); +#else /* TX interrupt request */ if (status & 0x10) { handled = 1; @@ -464,21 +497,21 @@ rdc_interrupt(int irq, void *dev_id) } /* Allocate new RX buffer */ - if (lp->rx_free_desc < RX_DCNT) rx_buf_alloc(lp); + if (lp->rx_free_desc < RX_DCNT) rx_buf_alloc(lp,dev); - outw(0x0011, ioaddr + 0x40); /* TX/RX interrupt enable */ + outw(R6040_INT_MASK, ioaddr + 0x40); /* TX/RX interrupt enable */ spin_unlock_irqrestore(&lp->lock, flags); - +#endif return IRQ_RETVAL(handled); } static struct net_device_stats * -rdc_get_stats(struct net_device *dev) +r6040_get_stats(struct net_device *dev) { - struct rdc_private *lp = dev->priv; + struct r6040_private *lp = dev->priv; - RDC_DBUG("rdc_get_stats()", 0); + RDC_DBUG("r6040_get_stats()", 0); return &lp->stats; } @@ -488,7 +521,7 @@ rdc_get_stats(struct net_device *dev) static void set_multicast_list(struct net_device *dev) { - struct rdc_private *lp = dev->priv; + struct r6040_private *lp = dev->priv; struct dev_mc_list *mcptr; int ioaddr = dev->base_addr; u16 *adrp, i; @@ -496,24 +529,28 @@ set_multicast_list(struct net_device *dev) RDC_DBUG("set_multicast_list()", 0); - /* MAC Address */ - ioaddr += 0x68; + /* MAC Address */ adrp = (u16 *) dev->dev_addr; - outw(adrp[0], ioaddr); ioaddr += 2; - outw(adrp[1], ioaddr); ioaddr += 2; - outw(adrp[2], ioaddr); ioaddr += 2; + outw(adrp[0], ioaddr + 0x68); + outw(adrp[1], ioaddr + 0x6A); + outw(adrp[2], ioaddr + 0x6C); + #if RDC_DEBUG printk("MAC ADDR: %04x %04x %04x\n", adrp[0], adrp[1], adrp[2]); #endif /* Promiscous Mode */ - spin_lock_irqsave(lp->lock, flags); + spin_lock_irqsave(&lp->lock, flags); i = inw(ioaddr) & ~0x0120; /* Clear AMCP & PROM */ - if (dev->flags & IFF_PROMISC) i |= 0x0020; - if (dev->mc_count > 4) i |= 0x0100; /* Too many multicast address */ + if (dev->flags & IFF_PROMISC) + { + i |= 0x0020; + lp->mcr0 |= 0x0020 ; + } + if (dev->mc_count > 4) i |= 0x0020; /* Too many multicast address */ outw(i, ioaddr); - spin_unlock_irqrestore(lp->lock, flags); + spin_unlock_irqrestore(&lp->lock, flags); /* Multicast Address */ if (dev->mc_count > 4) /* Wait to do: Hash Table for multicast */ @@ -522,24 +559,24 @@ set_multicast_list(struct net_device *dev) /* Multicast Address 1~4 case */ for (i = 0, mcptr = dev->mc_list; (i<dev->mc_count) && (i<4); i++) { adrp = (u16 *)mcptr->dmi_addr; - outw(adrp[0], ioaddr); ioaddr += 2; - outw(adrp[1], ioaddr); ioaddr += 2; - outw(adrp[2], ioaddr); ioaddr += 2; + outw(adrp[0], ioaddr + 0x70 + 8*i); + outw(adrp[1], ioaddr + 0x72 + 8*i); + outw(adrp[2], ioaddr + 0x74 + 8*i); mcptr = mcptr->next; #if RDC_DEBUG printk("M_ADDR: %04x %04x %04x\n", adrp[0], adrp[1], adrp[2]); #endif } for (i = dev->mc_count; i < 4; i++) { - outw(0xffff, ioaddr); ioaddr += 2; - outw(0xffff, ioaddr); ioaddr += 2; - outw(0xffff, ioaddr); ioaddr += 2; + outw(0xffff, ioaddr + 0x68 + 8*i); + outw(0xffff, ioaddr + 0x6A + 8*i); + outw(0xffff, ioaddr + 0x6C + 8*i); } } static void netdev_get_drvinfo (struct net_device *dev, struct ethtool_drvinfo *info) { - struct rdc_private *rp = dev->priv; + struct r6040_private *rp = dev->priv; strcpy (info->driver, DRV_NAME); strcpy (info->version, DRV_VERSION); @@ -551,11 +588,11 @@ static struct ethtool_ops netdev_ethtool_ops = { }; static int -rdc_close(struct net_device *dev) +r6040_close(struct net_device *dev) { - struct rdc_private *lp = dev->priv; + struct r6040_private *lp = dev->priv; - RDC_DBUG("rdc_close()", 0); + RDC_DBUG("r6040_close()", 0); /* deleted timer */ del_timer_sync(&lp->timer); @@ -564,7 +601,7 @@ rdc_close(struct net_device *dev) netif_stop_queue(dev); - rdc_down(dev); + r6040_down(dev); spin_unlock_irq(&lp->lock); @@ -576,42 +613,19 @@ rdc_close(struct net_device *dev) static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) { RDC_DBUG("netdev_ioctl()", 0); - -#ifdef FORICPLUS - switch(cmd) - { - case SIOCDEVPRIVATE: - - //printk(KERN_INFO"Ethernet IOCTL: cmd SIOCDEVPRIVATE\n"); - { - unsigned long *data; - unsigned long args[4]; - - data = (unsigned long *)rq->ifr_data; - if (copy_from_user(args, data, 4*sizeof(unsigned long))) - return -EFAULT; - - process_ioctl(dev, args); - } - break; - - default: - break; - } -#endif return 0; } /** Stop RDC MAC and Free the allocated resource */ -static void rdc_down(struct net_device *dev) +static void r6040_down(struct net_device *dev) { - struct rdc_private *lp = dev->priv; + struct r6040_private *lp = dev->priv; int i; int ioaddr = dev->base_addr; - RDC_DBUG("rdc_down()", 0); + RDC_DBUG("r6040_down()", 0); /* Stop MAC */ outw(0x0000, ioaddr + 0x40); /* Mask Off Interrupt */ @@ -645,17 +659,87 @@ static void rdc_down(struct net_device *dev) pci_free_consistent(lp->pdev, ALLOC_DESC_SIZE, lp->desc_pool, lp->desc_dma); } + + +#ifdef CONFIG_R6040_NAPI +static int r6040_poll(struct net_device *dev, int *budget) +{ + struct r6040_private *lp; + struct r6040_descriptor *descptr; + struct sk_buff *skb_ptr; + int ioaddr, status; + unsigned long flags; + + + ioaddr = dev->base_addr; + lp = (struct r6040_private *)dev->priv; + unsigned long rx_work = dev->quota ; + unsigned long rx ; + + +#if 1 + /* TX interrupt request */ + if (NAPI_status & 0x10) { + + descptr = lp->tx_remove_ptr; + while(lp->tx_free_desc < TX_DCNT) { + if (descptr->status & 0x8000) break; /* Not complte */ + skb_ptr = descptr->skb_ptr; + pci_unmap_single(lp->pdev, descptr->buf, skb_ptr->len, PCI_DMA_TODEVICE); + dev_kfree_skb_irq(skb_ptr); /* Free buffer */ + descptr->skb_ptr = 0; + descptr = descptr->vndescp; /* To next descriptor */ + lp->tx_free_desc++; + } + lp->tx_remove_ptr = descptr; + if (lp->tx_free_desc) netif_wake_queue(dev); + } +#endif +#if 1 + /* RX interrupt request */ + if (NAPI_status & 0x01) { + + descptr = lp->rx_remove_ptr; + while(lp->rx_free_desc) { + if (descptr->status & 0x8000) break; /* No Rx packet */ + skb_ptr = descptr->skb_ptr; + descptr->skb_ptr = 0; + skb_ptr->dev = dev; + skb_put(skb_ptr, descptr->len - 4); + pci_unmap_single(lp->pdev, descptr->buf, MAX_BUF_SIZE, PCI_DMA_FROMDEVICE); + skb_ptr->protocol = eth_type_trans(skb_ptr, dev); + netif_receive_skb(skb_ptr); /* Send to upper layer */ + lp->stats.rx_packets++; + lp->stats.rx_bytes += descptr->len; + descptr = descptr->vndescp; /* To next descriptor */ + lp->rx_free_desc--; + } + lp->rx_remove_ptr = descptr; + + } + /* Allocate new RX buffer */ + if (lp->rx_free_desc < RX_DCNT) rx_buf_alloc(lp,dev); + + local_irq_disable(); + netif_rx_complete(dev); + outw(R6040_INT_MASK,ioaddr + 0x40); + local_irq_enable(); + return 0; +#endif +} +#endif + /* Init RDC MAC */ -static void rdc_up(struct net_device *dev) +static void r6040_up(struct net_device *dev) { - struct rdc_private *lp = dev->priv; - struct rdc_descriptor *descptr; + struct r6040_private *lp = dev->priv; + struct r6040_descriptor *descptr; int i; int ioaddr = dev->base_addr; u32 tmp_addr; dma_addr_t desc_dma, start_dma; - RDC_DBUG("rdc_up()", 0); + RDC_DBUG("r6040_up()", 0); /* Initilize */ lp->tx_free_desc = TX_DCNT; @@ -663,9 +747,9 @@ static void rdc_up(struct net_device *dev) /* Init descriptor */ memset(lp->desc_pool, 0, ALLOC_DESC_SIZE); /* Let all descriptor = 0 */ - lp->tx_insert_ptr = (struct rdc_descriptor *)lp->desc_pool; + lp->tx_insert_ptr = (struct r6040_descriptor *)lp->desc_pool; lp->tx_remove_ptr = lp->tx_insert_ptr; - lp->rx_insert_ptr = (struct rdc_descriptor *)lp->tx_insert_ptr+TX_DCNT; + lp->rx_insert_ptr = (struct r6040_descriptor *)lp->tx_insert_ptr+TX_DCNT; lp->rx_remove_ptr = lp->rx_insert_ptr; /* Init TX descriptor */ @@ -673,10 +757,10 @@ static void rdc_up(struct net_device *dev) desc_dma = lp->desc_dma; start_dma = desc_dma; for (i = 0; i < TX_DCNT; i++) { - descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct rdc_descriptor)); + descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct r6040_descriptor)); descptr->vndescp = (descptr + 1); descptr = (descptr + 1); - desc_dma += sizeof(struct rdc_descriptor); + desc_dma += sizeof(struct r6040_descriptor); } (descptr - 1)->ndesc = cpu_to_le32(start_dma); (descptr - 1)->vndescp = lp->tx_insert_ptr; @@ -685,16 +769,16 @@ static void rdc_up(struct net_device *dev) start_dma = desc_dma; descptr = lp->rx_insert_ptr; for (i = 0; i < RX_DCNT; i++) { - descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct rdc_descriptor)); + descptr->ndesc = cpu_to_le32(desc_dma + sizeof(struct r6040_descriptor)); descptr->vndescp = (descptr + 1); descptr = (descptr + 1); - desc_dma += sizeof(struct rdc_descriptor); + desc_dma += sizeof(struct r6040_descriptor); } (descptr - 1)->ndesc = cpu_to_le32(start_dma); (descptr - 1)->vndescp = lp->rx_insert_ptr; /* Allocate buffer for RX descriptor */ - rx_buf_alloc(lp); + rx_buf_alloc(lp,dev); #if RDC_DEBUG descptr = lp->tx_insert_ptr; @@ -710,19 +794,17 @@ for (i = 0; i < RX_DCNT; i++) { #endif /* MAC operation register */ - outw(0x01, ioaddr); /* Reset MAC */ - outw(2 , ioaddr+0xAC); + outw(0x01, ioaddr+0x04); /* Reset MAC */ + outw(2 , ioaddr+0xAC); /* Reset internal state machine */ outw(0 , ioaddr+0xAC); udelay(5000); /* TX and RX descriptor start Register */ tmp_addr = cpu_to_le32(lp->tx_insert_ptr); - //timc tmp_addr = virt_to_bus((volatile void *)tmp_addr); outw((u16) tmp_addr, ioaddr+0x2c); outw(tmp_addr >> 16, ioaddr+0x30); tmp_addr = cpu_to_le32(lp->rx_insert_ptr); - //timc tmp_addr = virt_to_bus((volatile void *)tmp_addr); outw((u16) tmp_addr, ioaddr+0x34); outw(tmp_addr >> 16, ioaddr+0x38); @@ -730,15 +812,6 @@ for (i = 0; i < RX_DCNT; i++) { /* Buffer Size Register */ outw(MAX_BUF_SIZE, ioaddr+0x18); -#ifdef FORICPLUS - - if(phy_read(ioaddr, 0, 2) == 0x0243) // ICPlus IP175C Signature - { - phy_write(ioaddr, 29,31, 0x175C); //Enable registers - } - lp->phy_mode = 0x8000; - -#else /* PHY Mode Check */ phy_write(ioaddr, lp->phy_addr, 4, PHY_CAP); phy_write(ioaddr, lp->phy_addr, 0, PHY_MODE); @@ -746,51 +819,29 @@ for (i = 0; i < RX_DCNT; i++) { if (PHY_MODE == 0x3100) lp->phy_mode = phy_mode_chk(dev); else lp->phy_mode = (PHY_MODE & 0x0100) ? 0x8000:0x0; -#endif + /* MAC Bus Control Register */ outw(MBCR_DEFAULT, ioaddr+0x8); /* MAC TX/RX Enable */ lp->mcr0 |= lp->phy_mode; - - // Dante - // BIT15 | BIT12 | BIT5 | BIT1 - lp->mcr0 |= 0x0020; - //Xavier, only set promiscuous mode with eth1 (LAN i/f) - //This is a very bad hard code... - //if(ioaddr == 0xe900)lp->mcr0 |= 0x0020; - outw(lp->mcr0, ioaddr); -#ifdef BOOSTRDC - /* set interrupt waiting time and packet numbers */ - outw(0x0802, ioaddr + 0x0C); - outw(0x0802, ioaddr + 0x10); - -#ifdef FORICPLUS - /* upgrade performance (by RDC guys) */ - phy_write(ioaddr,30,17,(phy_read(ioaddr,30,17)|0x4000)); //bit 14=1 - phy_write(ioaddr,30,17,~((~phy_read(ioaddr,30,17))|0x2000)); //bit 13=0 - phy_write(ioaddr,0,19,0x0000); - phy_write(ioaddr,0,30,0x01F0); -#endif -#endif - /* Interrupt Mask Register */ - outw(0x0011, ioaddr + 0x40); + outw(R6040_INT_MASK, ioaddr + 0x40); } /* A periodic timer routine Polling PHY Chip Link Status */ -static void rdc_timer(unsigned long data) +static void r6040_timer(unsigned long data) { struct net_device *dev=(struct net_device *)data; - struct rdc_private *lp = dev->priv; + struct r6040_private *lp = dev->priv; u16 ioaddr = dev->base_addr, phy_mode; - RDC_DBUG("rdc_timer()", 0); + RDC_DBUG("r6040_timer()", 0); /* Polling PHY Chip Status */ if (PHY_MODE == 0x3100) @@ -812,11 +863,11 @@ static void rdc_timer(unsigned long data) add_timer(&lp->timer); } -#ifndef BOOSTRDC /* Allocate skb buffer for rx descriptor */ -static void rx_buf_alloc(struct rdc_private *lp) +static void rx_buf_alloc(struct r6040_private *lp,struct net_device *dev) { - struct rdc_descriptor *descptr; + struct r6040_descriptor *descptr; + int ioaddr = dev->base_addr ; RDC_DBUG("rx_buf_alloc()", 0); descptr = lp->rx_insert_ptr; @@ -827,20 +878,19 @@ static void rx_buf_alloc(struct rdc_private *lp) descptr->status = 0x8000; descptr = descptr->vndescp; lp->rx_free_desc++; + outw(lp->mcr0 | 0x0002, ioaddr); //Trigger Rx DMA } lp->rx_insert_ptr = descptr; } -#endif /* Status of PHY CHIP */ static int phy_mode_chk(struct net_device *dev) { - - struct rdc_private *lp = dev->priv; + struct r6040_private *lp = dev->priv; int ioaddr = dev->base_addr, phy_dat; RDC_DBUG("phy_mode_chk()", 0); - + /* PHY Link Status Check */ phy_dat = phy_read(ioaddr, lp->phy_addr, 1); if (!(phy_dat & 0x4)) return 0x8000; /* Link Failed, full duplex */ @@ -861,7 +911,6 @@ static int phy_mode_chk(struct net_device *dev) } return phy_dat; - }; /* Read a word data from PHY Chip */ @@ -891,90 +940,47 @@ enum { RDC_6040 = 0 }; -static struct pci_device_id rdc_pci_tbl[] = { +static struct pci_device_id r6040_pci_tbl[] = { {0x17F3, 0x6040, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RDC_6040}, //{0x1106, 0x3065, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RDC_6040}, {0,} /* terminate list */ }; -MODULE_DEVICE_TABLE(pci, rdc_pci_tbl); +MODULE_DEVICE_TABLE(pci, r6040_pci_tbl); -static struct pci_driver rdc_driver = { +static struct pci_driver r6040_driver = { .name = "r6040", - .id_table = rdc_pci_tbl, - .probe = rdc_init_one, - .remove = __devexit_p(rdc_remove_one), + .id_table = r6040_pci_tbl, + .probe = r6040_init_one, + .remove = __devexit_p(r6040_remove_one), }; -static int __init rdc_init (void) +static int __init r6040_init (void) { - RDC_DBUG("rdc_init()", 0); + RDC_DBUG("r6040_init()", 0); printk(version); printed_version = 1; - return pci_module_init (&rdc_driver); + return pci_module_init (&r6040_driver); } -static void __exit rdc_cleanup (void) +static void __exit r6040_cleanup (void) { - RDC_DBUG("rdc_cleanup()", 0); - pci_unregister_driver (&rdc_driver); + RDC_DBUG("r6040_cleanup()", 0); + pci_unregister_driver (&r6040_driver); } -module_init(rdc_init); -module_exit(rdc_cleanup); +module_init(r6040_init); +module_exit(r6040_cleanup); /* * Local variables: - * compile-command: "gcc -DMODULE -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -c rdc.c `[ -f /usr/include/linux/modversions.h ] && echo -DMODVERSIONS`" + * compile-command: "gcc -DMODULE -D__KERNEL__ -I/usr/src/linux/net/inet -Wall -Wstrict-prototypes -O6 -c r6040.c `[ -f /usr/include/linux/modversions.h ] && echo -DMODVERSIONS`" * c-indent-level: 4 * c-basic-offset: 4 * tab-width: 4 * End: */ - -#ifdef FORICPLUS -#define DMZ_GPIO 1 -#define RDC3210_CFGREG_ADDR 0x0CF8 -#define RDC3210_CFGREG_DATA 0x0CFC -static void process_ioctl(struct net_device *dev, unsigned long* args) -{ - int ioaddr = dev->base_addr; - - /* port priority */ - if(args[0]&(1<<31))phy_write(ioaddr,29,19,(phy_read(ioaddr,29,19)|0x2000)); /* port 0 */ - if(args[0]&(1<<29))phy_write(ioaddr,29,19,(phy_read(ioaddr,29,19)|0x0020)); /* port 1 */ - if(args[0]&(1<<27))phy_write(ioaddr,29,20,(phy_read(ioaddr,29,20)|0x2000)); /* port 2 */ - if(args[0]&(1<<25))phy_write(ioaddr,29,20,(phy_read(ioaddr,29,20)|0x0020)); /* port 3 */ - - /* DMZ LED */ - - { - unsigned int val; - - val = 0x80000000 | (7 << 11) | ((0x48)); - outl(val, RDC3210_CFGREG_ADDR); - udelay(10); - val = inl(RDC3210_CFGREG_DATA); - - val |= (0x1 << DMZ_GPIO); - outl(val, RDC3210_CFGREG_DATA); - udelay(10); - - val = 0x80000000 | (7 << 11) | ((0x4C)); - outl(val, RDC3210_CFGREG_ADDR); - udelay(10); - val = inl(RDC3210_CFGREG_DATA); - if(args[0]&(1<<23)) /* DMZ enabled */ - val &= ~(0x1 << DMZ_GPIO); /* low activated */ - else val |= (0x1 << DMZ_GPIO); - outl(val, RDC3210_CFGREG_DATA); - udelay(10); - } - - -} -#endif /* FORICPLUS */ |