diff options
Diffstat (limited to 'drivers/net/ni5010.c')
| -rw-r--r-- | drivers/net/ni5010.c | 771 |
1 files changed, 0 insertions, 771 deletions
diff --git a/drivers/net/ni5010.c b/drivers/net/ni5010.c deleted file mode 100644 index 4d3f2e2b28b..00000000000 --- a/drivers/net/ni5010.c +++ /dev/null @@ -1,771 +0,0 @@ -/* ni5010.c: A network driver for the MiCom-Interlan NI5010 ethercard. - * - * Copyright 1996,1997,2006 Jan-Pascal van Best and Andreas Mohr. - * - * This software may be used and distributed according to the terms - * of the GNU General Public License, incorporated herein by reference. - * - * The authors may be reached as: - * janpascal@vanbest.org andi@lisas.de - * - * Sources: - * Donald Becker's "skeleton.c" - * Crynwr ni5010 packet driver - * - * Changes: - * v0.0: First test version - * v0.1: First working version - * v0.2: - * v0.3->v0.90: Now demand setting io and irq when loading as module - * 970430 v0.91: modified for Linux 2.1.14 - * v0.92: Implemented Andreas' (better) NI5010 probe - * 970503 v0.93: Fixed auto-irq failure on warm reboot (JB) - * 970623 v1.00: First kernel version (AM) - * 970814 v1.01: Added detection of onboard receive buffer size (AM) - * 060611 v1.02: slight cleanup: email addresses, driver modernization. - * Bugs: - * - not SMP-safe (no locking of I/O accesses) - * - Note that you have to patch ifconfig for the new /proc/net/dev - * format. It gives incorrect stats otherwise. - * - * To do: - * Fix all bugs :-) - * Move some stuff to chipset_init() - * Handle xmt errors other than collisions - * Complete merge with Andreas' driver - * Implement ring buffers (Is this useful? You can't squeeze - * too many packet in a 2k buffer!) - * Implement DMA (Again, is this useful? Some docs say DMA is - * slower than programmed I/O) - * - * Compile with: - * gcc -O2 -fomit-frame-pointer -m486 -D__KERNEL__ \ - * -DMODULE -c ni5010.c - * - * Insert with e.g.: - * insmod ni5010.ko io=0x300 irq=5 - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/bitops.h> -#include <asm/io.h> -#include <asm/dma.h> - -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> - -#include "ni5010.h" - -static const char boardname[] = "NI5010"; -static char version[] __initdata = - "ni5010.c: v1.02 20060611 Jan-Pascal van Best and Andreas Mohr\n"; - -/* bufsize_rcv == 0 means autoprobing */ -static unsigned int bufsize_rcv; - -#define JUMPERED_INTERRUPTS /* IRQ line jumpered on board */ -#undef JUMPERED_DMA /* No DMA used */ -#undef FULL_IODETECT /* Only detect in portlist */ - -#ifndef FULL_IODETECT -/* A zero-terminated list of I/O addresses to be probed. */ -static unsigned int ports[] __initdata = - { 0x300, 0x320, 0x340, 0x360, 0x380, 0x3a0, 0 }; -#endif - -/* Use 0 for production, 1 for verification, >2 for debug */ -#ifndef NI5010_DEBUG -#define NI5010_DEBUG 0 -#endif - -/* Information that needs to be kept for each board. */ -struct ni5010_local { - int o_pkt_size; - spinlock_t lock; -}; - -/* Index to functions, as function prototypes. */ - -static int ni5010_probe1(struct net_device *dev, int ioaddr); -static int ni5010_open(struct net_device *dev); -static int ni5010_send_packet(struct sk_buff *skb, struct net_device *dev); -static irqreturn_t ni5010_interrupt(int irq, void *dev_id); -static void ni5010_rx(struct net_device *dev); -static void ni5010_timeout(struct net_device *dev); -static int ni5010_close(struct net_device *dev); -static void ni5010_set_multicast_list(struct net_device *dev); -static void reset_receiver(struct net_device *dev); - -static int process_xmt_interrupt(struct net_device *dev); -#define tx_done(dev) 1 -static void hardware_send_packet(struct net_device *dev, char *buf, int length, int pad); -static void chipset_init(struct net_device *dev, int startp); -static void dump_packet(void *buf, int len); -static void ni5010_show_registers(struct net_device *dev); - -static int io; -static int irq; - -struct net_device * __init ni5010_probe(int unit) -{ - struct net_device *dev = alloc_etherdev(sizeof(struct ni5010_local)); - int *port; - int err = 0; - - if (!dev) - return ERR_PTR(-ENOMEM); - - if (unit >= 0) { - sprintf(dev->name, "eth%d", unit); - netdev_boot_setup_check(dev); - io = dev->base_addr; - irq = dev->irq; - } - - PRINTK2((KERN_DEBUG "%s: Entering ni5010_probe\n", dev->name)); - - if (io > 0x1ff) { /* Check a single specified location. */ - err = ni5010_probe1(dev, io); - } else if (io != 0) { /* Don't probe at all. */ - err = -ENXIO; - } else { -#ifdef FULL_IODETECT - for (io=0x200; io<0x400 && ni5010_probe1(dev, io) ; io+=0x20) - ; - if (io == 0x400) - err = -ENODEV; - -#else - for (port = ports; *port && ni5010_probe1(dev, *port); port++) - ; - if (!*port) - err = -ENODEV; -#endif /* FULL_IODETECT */ - } - if (err) - goto out; - err = register_netdev(dev); - if (err) - goto out1; - return dev; -out1: - release_region(dev->base_addr, NI5010_IO_EXTENT); -out: - free_netdev(dev); - return ERR_PTR(err); -} - -static inline int rd_port(int ioaddr) -{ - inb(IE_RBUF); - return inb(IE_SAPROM); -} - -static void __init trigger_irq(int ioaddr) -{ - outb(0x00, EDLC_RESET); /* Clear EDLC hold RESET state */ - outb(0x00, IE_RESET); /* Board reset */ - outb(0x00, EDLC_XMASK); /* Disable all Xmt interrupts */ - outb(0x00, EDLC_RMASK); /* Disable all Rcv interrupt */ - outb(0xff, EDLC_XCLR); /* Clear all pending Xmt interrupts */ - outb(0xff, EDLC_RCLR); /* Clear all pending Rcv interrupts */ - /* - * Transmit packet mode: Ignore parity, Power xcvr, - * Enable loopback - */ - outb(XMD_IG_PAR | XMD_T_MODE | XMD_LBC, EDLC_XMODE); - outb(RMD_BROADCAST, EDLC_RMODE); /* Receive normal&broadcast */ - outb(XM_ALL, EDLC_XMASK); /* Enable all Xmt interrupts */ - udelay(50); /* FIXME: Necessary? */ - outb(MM_EN_XMT|MM_MUX, IE_MMODE); /* Start transmission */ -} - -static const struct net_device_ops ni5010_netdev_ops = { - .ndo_open = ni5010_open, - .ndo_stop = ni5010_close, - .ndo_start_xmit = ni5010_send_packet, - .ndo_set_multicast_list = ni5010_set_multicast_list, - .ndo_tx_timeout = ni5010_timeout, - .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = eth_mac_addr, - .ndo_change_mtu = eth_change_mtu, -}; - -/* - * This is the real probe routine. Linux has a history of friendly device - * probes on the ISA bus. A good device probes avoids doing writes, and - * verifies that the correct device exists and functions. - */ - -static int __init ni5010_probe1(struct net_device *dev, int ioaddr) -{ - static unsigned version_printed; - struct ni5010_local *lp; - int i; - unsigned int data = 0; - int boguscount = 40; - int err = -ENODEV; - - dev->base_addr = ioaddr; - dev->irq = irq; - - if (!request_region(ioaddr, NI5010_IO_EXTENT, boardname)) - return -EBUSY; - - /* - * This is no "official" probe method, I've rather tested which - * probe works best with my seven NI5010 cards - * (they have very different serial numbers) - * Suggestions or failure reports are very, very welcome ! - * But I think it is a relatively good probe method - * since it doesn't use any "outb" - * It should be nearly 100% reliable ! - * well-known WARNING: this probe method (like many others) - * will hang the system if a NE2000 card region is probed ! - * - * - Andreas - */ - - PRINTK2((KERN_DEBUG "%s: entering ni5010_probe1(%#3x)\n", - dev->name, ioaddr)); - - if (inb(ioaddr+0) == 0xff) - goto out; - - while ( (rd_port(ioaddr) & rd_port(ioaddr) & rd_port(ioaddr) & - rd_port(ioaddr) & rd_port(ioaddr) & rd_port(ioaddr)) != 0xff) - { - if (boguscount-- == 0) - goto out; - } - - PRINTK2((KERN_DEBUG "%s: I/O #1 passed!\n", dev->name)); - - for (i=0; i<32; i++) - if ( (data = rd_port(ioaddr)) != 0xff) break; - if (data==0xff) - goto out; - - PRINTK2((KERN_DEBUG "%s: I/O #2 passed!\n", dev->name)); - - if ((data != SA_ADDR0) || (rd_port(ioaddr) != SA_ADDR1) || - (rd_port(ioaddr) != SA_ADDR2)) - goto out; - - for (i=0; i<4; i++) - rd_port(ioaddr); - - if ( (rd_port(ioaddr) != NI5010_MAGICVAL1) || - (rd_port(ioaddr) != NI5010_MAGICVAL2) ) - goto out; - - PRINTK2((KERN_DEBUG "%s: I/O #3 passed!\n", dev->name)); - - if (NI5010_DEBUG && version_printed++ == 0) - printk(KERN_INFO "%s", version); - - printk("NI5010 ethercard probe at 0x%x: ", ioaddr); - - dev->base_addr = ioaddr; - - for (i=0; i<6; i++) { - outw(i, IE_GP); - dev->dev_addr[i] = inb(IE_SAPROM); - } - printk("%pM ", dev->dev_addr); - - PRINTK2((KERN_DEBUG "%s: I/O #4 passed!\n", dev->name)); - -#ifdef JUMPERED_INTERRUPTS - if (dev->irq == 0xff) - ; - else if (dev->irq < 2) { - unsigned long irq_mask; - - PRINTK2((KERN_DEBUG "%s: I/O #5 passed!\n", dev->name)); - - irq_mask = probe_irq_on(); - trigger_irq(ioaddr); - mdelay(20); - dev->irq = probe_irq_off(irq_mask); - - PRINTK2((KERN_DEBUG "%s: I/O #6 passed!\n", dev->name)); - - if (dev->irq == 0) { - err = -EAGAIN; - printk(KERN_WARNING "%s: no IRQ found!\n", dev->name); - goto out; - } - PRINTK2((KERN_DEBUG "%s: I/O #7 passed!\n", dev->name)); - } else if (dev->irq == 2) { - dev->irq = 9; - } -#endif /* JUMPERED_INTERRUPTS */ - PRINTK2((KERN_DEBUG "%s: I/O #9 passed!\n", dev->name)); - - /* DMA is not supported (yet?), so no use detecting it */ - lp = netdev_priv(dev); - - spin_lock_init(&lp->lock); - - PRINTK2((KERN_DEBUG "%s: I/O #10 passed!\n", dev->name)); - -/* get the size of the onboard receive buffer - * higher addresses than bufsize are wrapped into real buffer - * i.e. data for offs. 0x801 is written to 0x1 with a 2K onboard buffer - */ - if (!bufsize_rcv) { - outb(1, IE_MMODE); /* Put Rcv buffer on system bus */ - outw(0, IE_GP); /* Point GP at start of packet */ - outb(0, IE_RBUF); /* set buffer byte 0 to 0 */ - for (i = 1; i < 0xff; i++) { - outw(i << 8, IE_GP); /* Point GP at packet size to be tested */ - outb(i, IE_RBUF); - outw(0x0, IE_GP); /* Point GP at start of packet */ - data = inb(IE_RBUF); - if (data == i) break; - } - bufsize_rcv = i << 8; - outw(0, IE_GP); /* Point GP at start of packet */ - outb(0, IE_RBUF); /* set buffer byte 0 to 0 again */ - } - printk("-> bufsize rcv/xmt=%d/%d\n", bufsize_rcv, NI5010_BUFSIZE); - - dev->netdev_ops = &ni5010_netdev_ops; - dev->watchdog_timeo = HZ/20; - - dev->flags &= ~IFF_MULTICAST; /* Multicast doesn't work */ - - /* Shut up the ni5010 */ - outb(0, EDLC_RMASK); /* Mask all receive interrupts */ - outb(0, EDLC_XMASK); /* Mask all xmit interrupts */ - outb(0xff, EDLC_RCLR); /* Kill all pending rcv interrupts */ - outb(0xff, EDLC_XCLR); /* Kill all pending xmt interrupts */ - - printk(KERN_INFO "%s: NI5010 found at 0x%x, using IRQ %d", dev->name, ioaddr, dev->irq); - if (dev->dma) - printk(" & DMA %d", dev->dma); - printk(".\n"); - return 0; -out: - release_region(dev->base_addr, NI5010_IO_EXTENT); - return err; -} - -/* - * Open/initialize the board. This is called (in the current kernel) - * sometime after booting when the 'ifconfig' program is run. - * - * This routine should set everything up anew at each open, even - * registers that "should" only need to be set once at boot, so that - * there is a non-reboot way to recover if something goes wrong. - */ - -static int ni5010_open(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - int i; - - PRINTK2((KERN_DEBUG "%s: entering ni5010_open()\n", dev->name)); - - if (request_irq(dev->irq, ni5010_interrupt, 0, boardname, dev)) { - printk(KERN_WARNING "%s: Cannot get irq %#2x\n", dev->name, dev->irq); - return -EAGAIN; - } - PRINTK3((KERN_DEBUG "%s: passed open() #1\n", dev->name)); - /* - * Always allocate the DMA channel after the IRQ, - * and clean up on failure. - */ -#ifdef JUMPERED_DMA - if (request_dma(dev->dma, cardname)) { - printk(KERN_WARNING "%s: Cannot get dma %#2x\n", dev->name, dev->dma); - free_irq(dev->irq, NULL); - return -EAGAIN; - } -#endif /* JUMPERED_DMA */ - - PRINTK3((KERN_DEBUG "%s: passed open() #2\n", dev->name)); - /* Reset the hardware here. Don't forget to set the station address. */ - - outb(RS_RESET, EDLC_RESET); /* Hold up EDLC_RESET while configing board */ - outb(0, IE_RESET); /* Hardware reset of ni5010 board */ - outb(XMD_LBC, EDLC_XMODE); /* Only loopback xmits */ - - PRINTK3((KERN_DEBUG "%s: passed open() #3\n", dev->name)); - /* Set the station address */ - for(i = 0;i < 6; i++) { - outb(dev->dev_addr[i], EDLC_ADDR + i); - } - - PRINTK3((KERN_DEBUG "%s: Initialising ni5010\n", dev->name)); - outb(0, EDLC_XMASK); /* No xmit interrupts for now */ - outb(XMD_IG_PAR | XMD_T_MODE | XMD_LBC, EDLC_XMODE); - /* Normal packet xmit mode */ - outb(0xff, EDLC_XCLR); /* Clear all pending xmit interrupts */ - outb(RMD_BROADCAST, EDLC_RMODE); - /* Receive broadcast and normal packets */ - reset_receiver(dev); /* Ready ni5010 for receiving packets */ - - outb(0, EDLC_RESET); /* Un-reset the ni5010 */ - - netif_start_queue(dev); - - if (NI5010_DEBUG) ni5010_show_registers(dev); - - PRINTK((KERN_DEBUG "%s: open successful\n", dev->name)); - return 0; -} - -static void reset_receiver(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - - PRINTK3((KERN_DEBUG "%s: resetting receiver\n", dev->name)); - outw(0, IE_GP); /* Receive packet at start of buffer */ - outb(0xff, EDLC_RCLR); /* Clear all pending rcv interrupts */ - outb(0, IE_MMODE); /* Put EDLC to rcv buffer */ - outb(MM_EN_RCV, IE_MMODE); /* Enable rcv */ - outb(0xff, EDLC_RMASK); /* Enable all rcv interrupts */ -} - -static void ni5010_timeout(struct net_device *dev) -{ - printk(KERN_WARNING "%s: transmit timed out, %s?\n", dev->name, - tx_done(dev) ? "IRQ conflict" : "network cable problem"); - /* Try to restart the adaptor. */ - /* FIXME: Give it a real kick here */ - chipset_init(dev, 1); - dev->trans_start = jiffies; /* prevent tx timeout */ - netif_wake_queue(dev); -} - -static int ni5010_send_packet(struct sk_buff *skb, struct net_device *dev) -{ - int length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; - - PRINTK2((KERN_DEBUG "%s: entering ni5010_send_packet\n", dev->name)); - - /* - * Block sending - */ - - netif_stop_queue(dev); - hardware_send_packet(dev, (unsigned char *)skb->data, skb->len, length-skb->len); - dev_kfree_skb (skb); - return NETDEV_TX_OK; -} - -/* - * The typical workload of the driver: - * Handle the network interface interrupts. - */ -static irqreturn_t ni5010_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct ni5010_local *lp; - int ioaddr, status; - int xmit_was_error = 0; - - PRINTK2((KERN_DEBUG "%s: entering ni5010_interrupt\n", dev->name)); - - ioaddr = dev->base_addr; - lp = netdev_priv(dev); - - spin_lock(&lp->lock); - status = inb(IE_ISTAT); - PRINTK3((KERN_DEBUG "%s: IE_ISTAT = %#02x\n", dev->name, status)); - - if ((status & IS_R_INT) == 0) ni5010_rx(dev); - - if ((status & IS_X_INT) == 0) { - xmit_was_error = process_xmt_interrupt(dev); - } - - if ((status & IS_DMA_INT) == 0) { - PRINTK((KERN_DEBUG "%s: DMA complete (?)\n", dev->name)); - outb(0, IE_DMA_RST); /* Reset DMA int */ - } - - if (!xmit_was_error) - reset_receiver(dev); - spin_unlock(&lp->lock); - return IRQ_HANDLED; -} - - -static void dump_packet(void *buf, int len) -{ - int i; - - printk(KERN_DEBUG "Packet length = %#4x\n", len); - for (i = 0; i < len; i++){ - if (i % 16 == 0) printk(KERN_DEBUG "%#4.4x", i); - if (i % 2 == 0) printk(" "); - printk("%2.2x", ((unsigned char *)buf)[i]); - if (i % 16 == 15) printk("\n"); - } - printk("\n"); -} - -/* We have a good packet, get it out of the buffer. */ -static void ni5010_rx(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - unsigned char rcv_stat; - struct sk_buff *skb; - int i_pkt_size; - - PRINTK2((KERN_DEBUG "%s: entering ni5010_rx()\n", dev->name)); - - rcv_stat = inb(EDLC_RSTAT); - PRINTK3((KERN_DEBUG "%s: EDLC_RSTAT = %#2x\n", dev->name, rcv_stat)); - - if ( (rcv_stat & RS_VALID_BITS) != RS_PKT_OK) { - PRINTK((KERN_INFO "%s: receive error.\n", dev->name)); - dev->stats.rx_errors++; - if (rcv_stat & RS_RUNT) dev->stats.rx_length_errors++; - if (rcv_stat & RS_ALIGN) dev->stats.rx_frame_errors++; - if (rcv_stat & RS_CRC_ERR) dev->stats.rx_crc_errors++; - if (rcv_stat & RS_OFLW) dev->stats.rx_fifo_errors++; - outb(0xff, EDLC_RCLR); /* Clear the interrupt */ - return; - } - - outb(0xff, EDLC_RCLR); /* Clear the interrupt */ - - i_pkt_size = inw(IE_RCNT); - if (i_pkt_size > ETH_FRAME_LEN || i_pkt_size < 10 ) { - PRINTK((KERN_DEBUG "%s: Packet size error, packet size = %#4.4x\n", - dev->name, i_pkt_size)); - dev->stats.rx_errors++; - dev->stats.rx_length_errors++; - return; - } - - /* Malloc up new buffer. */ - skb = dev_alloc_skb(i_pkt_size + 3); - if (skb == NULL) { - printk(KERN_WARNING "%s: Memory squeeze, dropping packet.\n", dev->name); - dev->stats.rx_dropped++; - return; - } - - skb_reserve(skb, 2); - - /* Read packet into buffer */ - outb(MM_MUX, IE_MMODE); /* Rcv buffer to system bus */ - outw(0, IE_GP); /* Seek to beginning of packet */ - insb(IE_RBUF, skb_put(skb, i_pkt_size), i_pkt_size); - - if (NI5010_DEBUG >= 4) - dump_packet(skb->data, skb->len); - - skb->protocol = eth_type_trans(skb,dev); - netif_rx(skb); - dev->stats.rx_packets++; - dev->stats.rx_bytes += i_pkt_size; - - PRINTK2((KERN_DEBUG "%s: Received packet, size=%#4.4x\n", - dev->name, i_pkt_size)); -} - -static int process_xmt_interrupt(struct net_device *dev) -{ - struct ni5010_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - int xmit_stat; - - PRINTK2((KERN_DEBUG "%s: entering process_xmt_interrupt\n", dev->name)); - - xmit_stat = inb(EDLC_XSTAT); - PRINTK3((KERN_DEBUG "%s: EDLC_XSTAT = %2.2x\n", dev->name, xmit_stat)); - - outb(0, EDLC_XMASK); /* Disable xmit IRQ's */ - outb(0xff, EDLC_XCLR); /* Clear all pending xmit IRQ's */ - - if (xmit_stat & XS_COLL){ - PRINTK((KERN_DEBUG "%s: collision detected, retransmitting\n", - dev->name)); - outw(NI5010_BUFSIZE - lp->o_pkt_size, IE_GP); - /* outb(0, IE_MMODE); */ /* xmt buf on sysbus FIXME: needed ? */ - outb(MM_EN_XMT | MM_MUX, IE_MMODE); - outb(XM_ALL, EDLC_XMASK); /* Enable xmt IRQ's */ - dev->stats.collisions++; - return 1; - } - - /* FIXME: handle other xmt error conditions */ - - dev->stats.tx_packets++; - dev->stats.tx_bytes += lp->o_pkt_size; - netif_wake_queue(dev); - - PRINTK2((KERN_DEBUG "%s: sent packet, size=%#4.4x\n", - dev->name, lp->o_pkt_size)); - - return 0; -} - -/* The inverse routine to ni5010_open(). */ -static int ni5010_close(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - - PRINTK2((KERN_DEBUG "%s: entering ni5010_close\n", dev->name)); -#ifdef JUMPERED_INTERRUPTS - free_irq(dev->irq, NULL); -#endif - /* Put card in held-RESET state */ - outb(0, IE_MMODE); - outb(RS_RESET, EDLC_RESET); - - netif_stop_queue(dev); - - PRINTK((KERN_DEBUG "%s: %s closed down\n", dev->name, boardname)); - return 0; - -} - -/* Set or clear the multicast filter for this adaptor. - num_addrs == -1 Promiscuous mode, receive all packets - num_addrs == 0 Normal mode, clear multicast list - num_addrs > 0 Multicast mode, receive normal and MC packets, and do - best-effort filtering. -*/ -static void ni5010_set_multicast_list(struct net_device *dev) -{ - short ioaddr = dev->base_addr; - - PRINTK2((KERN_DEBUG "%s: entering set_multicast_list\n", dev->name)); - - if (dev->flags & IFF_PROMISC || dev->flags & IFF_ALLMULTI || - !netdev_mc_empty(dev)) { - outb(RMD_PROMISC, EDLC_RMODE); /* Enable promiscuous mode */ - PRINTK((KERN_DEBUG "%s: Entering promiscuous mode\n", dev->name)); - } else { - PRINTK((KERN_DEBUG "%s: Entering broadcast mode\n", dev->name)); - outb(RMD_BROADCAST, EDLC_RMODE); /* Disable promiscuous mode, use normal mode */ - } -} - -static void hardware_send_packet(struct net_device *dev, char *buf, int length, int pad) -{ - struct ni5010_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - unsigned long flags; - unsigned int buf_offs; - - PRINTK2((KERN_DEBUG "%s: entering hardware_send_packet\n", dev->name)); - - if (length > ETH_FRAME_LEN) { - PRINTK((KERN_WARNING "%s: packet too large, not possible\n", - dev->name)); - return; - } - - if (NI5010_DEBUG) ni5010_show_registers(dev); - - if (inb(IE_ISTAT) & IS_EN_XMT) { - PRINTK((KERN_WARNING "%s: sending packet while already transmitting, not possible\n", - dev->name)); - return; - } - - if (NI5010_DEBUG > 3) dump_packet(buf, length); - - buf_offs = NI5010_BUFSIZE - length - pad; - - spin_lock_irqsave(&lp->lock, flags); - lp->o_pkt_size = length + pad; - - outb(0, EDLC_RMASK); /* Mask all receive interrupts */ - outb(0, IE_MMODE); /* Put Xmit buffer on system bus */ - outb(0xff, EDLC_RCLR); /* Clear out pending rcv interrupts */ - - outw(buf_offs, IE_GP); /* Point GP at start of packet */ - outsb(IE_XBUF, buf, length); /* Put data in buffer */ - while(pad--) - outb(0, IE_XBUF); - - outw(buf_offs, IE_GP); /* Rewrite where packet starts */ - - /* should work without that outb() (Crynwr used it) */ - /*outb(MM_MUX, IE_MMODE);*/ /* Xmt buffer to EDLC bus */ - outb(MM_EN_XMT | MM_MUX, IE_MMODE); /* Begin transmission */ - outb(XM_ALL, EDLC_XMASK); /* Cause interrupt after completion or fail */ - - spin_unlock_irqrestore(&lp->lock, flags); - - netif_wake_queue(dev); - - if (NI5010_DEBUG) ni5010_show_registers(dev); -} - -static void chipset_init(struct net_device *dev, int startp) -{ - /* FIXME: Move some stuff here */ - PRINTK3((KERN_DEBUG "%s: doing NOTHING in chipset_init\n", dev->name)); -} - -static void ni5010_show_registers(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - - PRINTK3((KERN_DEBUG "%s: XSTAT %#2.2x\n", dev->name, inb(EDLC_XSTAT))); - PRINTK3((KERN_DEBUG "%s: XMASK %#2.2x\n", dev->name, inb(EDLC_XMASK))); - PRINTK3((KERN_DEBUG "%s: RSTAT %#2.2x\n", dev->name, inb(EDLC_RSTAT))); - PRINTK3((KERN_DEBUG "%s: RMASK %#2.2x\n", dev->name, inb(EDLC_RMASK))); - PRINTK3((KERN_DEBUG "%s: RMODE %#2.2x\n", dev->name, inb(EDLC_RMODE))); - PRINTK3((KERN_DEBUG "%s: XMODE %#2.2x\n", dev->name, inb(EDLC_XMODE))); - PRINTK3((KERN_DEBUG "%s: ISTAT %#2.2x\n", dev->name, inb(IE_ISTAT))); -} - -#ifdef MODULE -static struct net_device *dev_ni5010; - -module_param(io, int, 0); -module_param(irq, int, 0); -MODULE_PARM_DESC(io, "ni5010 I/O base address"); -MODULE_PARM_DESC(irq, "ni5010 IRQ number"); - -static int __init ni5010_init_module(void) -{ - PRINTK2((KERN_DEBUG "%s: entering init_module\n", boardname)); - /* - if(io <= 0 || irq == 0){ - printk(KERN_WARNING "%s: Autoprobing not allowed for modules.\n", boardname); - printk(KERN_WARNING "%s: Set symbols 'io' and 'irq'\n", boardname); - return -EINVAL; - } - */ - if (io <= 0){ - printk(KERN_WARNING "%s: Autoprobing for modules is hazardous, trying anyway..\n", boardname); - } - - PRINTK2((KERN_DEBUG "%s: init_module irq=%#2x, io=%#3x\n", boardname, irq, io)); - dev_ni5010 = ni5010_probe(-1); - if (IS_ERR(dev_ni5010)) - return PTR_ERR(dev_ni5010); - return 0; -} - -static void __exit ni5010_cleanup_module(void) -{ - PRINTK2((KERN_DEBUG "%s: entering cleanup_module\n", boardname)); - unregister_netdev(dev_ni5010); - release_region(dev_ni5010->base_addr, NI5010_IO_EXTENT); - free_netdev(dev_ni5010); -} -module_init(ni5010_init_module); -module_exit(ni5010_cleanup_module); -#endif /* MODULE */ -MODULE_LICENSE("GPL"); |