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authorLinus Torvalds <torvalds@linux-foundation.org>2013-02-20 18:58:50 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2013-02-20 18:58:50 -0800
commita0b1c42951dd06ec83cc1bc2c9788131d9fefcd8 (patch)
treea572f1523cf904c93020c9cdb32f3bc84ec3ac16 /drivers/net/ethernet/dlink/de600.c
parent8ec4942212a6d337982967778a3dc3b60aea782e (diff)
parentecd9883724b78cc72ed92c98bcb1a46c764fff21 (diff)
downloadlinux-next-a0b1c42951dd06ec83cc1bc2c9788131d9fefcd8.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next
Pull networking update from David Miller: 1) Checkpoint/restarted TCP sockets now can properly propagate the TCP timestamp offset. From Andrey Vagin. 2) VMWARE VM VSOCK layer, from Andy King. 3) Much improved support for virtual functions and SR-IOV in bnx2x, from Ariel ELior. 4) All protocols on ipv4 and ipv6 are now network namespace aware, and all the compatability checks for initial-namespace-only protocols is removed. Thanks to Tom Parkin for helping deal with the last major holdout, L2TP. 5) IPV6 support in netpoll and network namespace support in pktgen, from Cong Wang. 6) Multiple Registration Protocol (MRP) and Multiple VLAN Registration Protocol (MVRP) support, from David Ward. 7) Compute packet lengths more accurately in the packet scheduler, from Eric Dumazet. 8) Use per-task page fragment allocator in skb_append_datato_frags(), also from Eric Dumazet. 9) Add support for connection tracking labels in netfilter, from Florian Westphal. 10) Fix default multicast group joining on ipv6, and add anti-spoofing checks to 6to4 and 6rd. From Hannes Frederic Sowa. 11) Make ipv4/ipv6 fragmentation memory limits more reasonable in modern times, rearrange inet frag datastructures for better cacheline locality, and move more operations outside of locking. From Jesper Dangaard Brouer. 12) Instead of strict master <--> slave relationships, allow arbitrary scenerios with "upper device lists". From Jiri Pirko. 13) Improve rate limiting accuracy in TBF and act_police, also from Jiri Pirko. 14) Add a BPF filter netfilter match target, from Willem de Bruijn. 15) Orphan and delete a bunch of pre-historic networking drivers from Paul Gortmaker. 16) Add TSO support for GRE tunnels, from Pravin B SHelar. Although this still needs some minor bug fixing before it's %100 correct in all cases. 17) Handle unresolved IPSEC states like ARP, with a resolution packet queue. From Steffen Klassert. 18) Remove TCP Appropriate Byte Count support (ABC), from Stephen Hemminger. This was long overdue. 19) Support SO_REUSEPORT, from Tom Herbert. 20) Allow locking a socket BPF filter, so that it cannot change after a process drops capabilities. 21) Add VLAN filtering to bridge, from Vlad Yasevich. 22) Bring ipv6 on-par with ipv4 and do not cache neighbour entries in the ipv6 routes, from YOSHIFUJI Hideaki. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1538 commits) ipv6: fix race condition regarding dst->expires and dst->from. net: fix a wrong assignment in skb_split() ip_gre: remove an extra dst_release() ppp: set qdisc_tx_busylock to avoid LOCKDEP splat atl1c: restore buffer state net: fix a build failure when !CONFIG_PROC_FS net: ipv4: fix waring -Wunused-variable net: proc: fix build failed when procfs is not configured Revert "xen: netback: remove redundant xenvif_put" net: move procfs code to net/core/net-procfs.c qmi_wwan, cdc-ether: add ADU960S bonding: set sysfs device_type to 'bond' bonding: fix bond_release_all inconsistencies b44: use netdev_alloc_skb_ip_align() xen: netback: remove redundant xenvif_put net: fec: Do a sanity check on the gpio number ip_gre: propogate target device GSO capability to the tunnel device ip_gre: allow CSUM capable devices to handle packets bonding: Fix initialize after use for 3ad machine state spinlock bonding: Fix race condition between bond_enslave() and bond_3ad_update_lacp_rate() ...
Diffstat (limited to 'drivers/net/ethernet/dlink/de600.c')
-rw-r--r--drivers/net/ethernet/dlink/de600.c529
1 files changed, 0 insertions, 529 deletions
diff --git a/drivers/net/ethernet/dlink/de600.c b/drivers/net/ethernet/dlink/de600.c
deleted file mode 100644
index 414f0eea1049..000000000000
--- a/drivers/net/ethernet/dlink/de600.c
+++ /dev/null
@@ -1,529 +0,0 @@
-static const char version[] = "de600.c: $Revision: 1.41-2.5 $, Bjorn Ekwall (bj0rn@blox.se)\n";
-/*
- * de600.c
- *
- * Linux driver for the D-Link DE-600 Ethernet pocket adapter.
- *
- * Portions (C) Copyright 1993, 1994 by Bjorn Ekwall
- * The Author may be reached as bj0rn@blox.se
- *
- * Based on adapter information gathered from DE600.ASM by D-Link Inc.,
- * as included on disk C in the v.2.11 of PC/TCP from FTP Software.
- * For DE600.asm:
- * Portions (C) Copyright 1990 D-Link, Inc.
- * Copyright, 1988-1992, Russell Nelson, Crynwr Software
- *
- * Adapted to the sample network driver core for linux,
- * written by: Donald Becker <becker@super.org>
- * (Now at <becker@scyld.com>)
- *
- **************************************************************/
-/*
- * 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, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- **************************************************************/
-
-/* Add more time here if your adapter won't work OK: */
-#define DE600_SLOW_DOWN udelay(delay_time)
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/fcntl.h>
-#include <linux/string.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/in.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/inet.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-
-#include <asm/io.h>
-
-#include "de600.h"
-
-static bool check_lost = true;
-module_param(check_lost, bool, 0);
-MODULE_PARM_DESC(check_lost, "If set then check for unplugged de600");
-
-static unsigned int delay_time = 10;
-module_param(delay_time, int, 0);
-MODULE_PARM_DESC(delay_time, "DE-600 deley on I/O in microseconds");
-
-
-/*
- * D-Link driver variables:
- */
-
-static volatile int rx_page;
-
-#define TX_PAGES 2
-static volatile int tx_fifo[TX_PAGES];
-static volatile int tx_fifo_in;
-static volatile int tx_fifo_out;
-static volatile int free_tx_pages = TX_PAGES;
-static int was_down;
-static DEFINE_SPINLOCK(de600_lock);
-
-static inline u8 de600_read_status(struct net_device *dev)
-{
- u8 status;
-
- outb_p(STATUS, DATA_PORT);
- status = inb(STATUS_PORT);
- outb_p(NULL_COMMAND | HI_NIBBLE, DATA_PORT);
-
- return status;
-}
-
-static inline u8 de600_read_byte(unsigned char type, struct net_device *dev)
-{
- /* dev used by macros */
- u8 lo;
- outb_p((type), DATA_PORT);
- lo = ((unsigned char)inb(STATUS_PORT)) >> 4;
- outb_p((type) | HI_NIBBLE, DATA_PORT);
- return ((unsigned char)inb(STATUS_PORT) & (unsigned char)0xf0) | lo;
-}
-
-/*
- * Open/initialize the board. This is called (in the current kernel)
- * after booting when 'ifconfig <dev->name> $IP_ADDR' is run (in rc.inet1).
- *
- * 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 de600_open(struct net_device *dev)
-{
- unsigned long flags;
- int ret = request_irq(DE600_IRQ, de600_interrupt, 0, dev->name, dev);
- if (ret) {
- printk(KERN_ERR "%s: unable to get IRQ %d\n", dev->name, DE600_IRQ);
- return ret;
- }
- spin_lock_irqsave(&de600_lock, flags);
- ret = adapter_init(dev);
- spin_unlock_irqrestore(&de600_lock, flags);
- return ret;
-}
-
-/*
- * The inverse routine to de600_open().
- */
-
-static int de600_close(struct net_device *dev)
-{
- select_nic();
- rx_page = 0;
- de600_put_command(RESET);
- de600_put_command(STOP_RESET);
- de600_put_command(0);
- select_prn();
- free_irq(DE600_IRQ, dev);
- return 0;
-}
-
-static inline void trigger_interrupt(struct net_device *dev)
-{
- de600_put_command(FLIP_IRQ);
- select_prn();
- DE600_SLOW_DOWN;
- select_nic();
- de600_put_command(0);
-}
-
-/*
- * Copy a buffer to the adapter transmit page memory.
- * Start sending.
- */
-
-static int de600_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
- unsigned long flags;
- int transmit_from;
- int len;
- int tickssofar;
- u8 *buffer = skb->data;
- int i;
-
- if (free_tx_pages <= 0) { /* Do timeouts, to avoid hangs. */
- tickssofar = jiffies - dev_trans_start(dev);
- if (tickssofar < HZ/20)
- return NETDEV_TX_BUSY;
- /* else */
- printk(KERN_WARNING "%s: transmit timed out (%d), %s?\n", dev->name, tickssofar, "network cable problem");
- /* Restart the adapter. */
- spin_lock_irqsave(&de600_lock, flags);
- if (adapter_init(dev)) {
- spin_unlock_irqrestore(&de600_lock, flags);
- return NETDEV_TX_BUSY;
- }
- spin_unlock_irqrestore(&de600_lock, flags);
- }
-
- /* Start real output */
- pr_debug("de600_start_xmit:len=%d, page %d/%d\n", skb->len, tx_fifo_in, free_tx_pages);
-
- if ((len = skb->len) < RUNT)
- len = RUNT;
-
- spin_lock_irqsave(&de600_lock, flags);
- select_nic();
- tx_fifo[tx_fifo_in] = transmit_from = tx_page_adr(tx_fifo_in) - len;
- tx_fifo_in = (tx_fifo_in + 1) % TX_PAGES; /* Next free tx page */
-
- if(check_lost)
- {
- /* This costs about 40 instructions per packet... */
- de600_setup_address(NODE_ADDRESS, RW_ADDR);
- de600_read_byte(READ_DATA, dev);
- if (was_down || (de600_read_byte(READ_DATA, dev) != 0xde)) {
- if (adapter_init(dev)) {
- spin_unlock_irqrestore(&de600_lock, flags);
- return NETDEV_TX_BUSY;
- }
- }
- }
-
- de600_setup_address(transmit_from, RW_ADDR);
- for (i = 0; i < skb->len ; ++i, ++buffer)
- de600_put_byte(*buffer);
- for (; i < len; ++i)
- de600_put_byte(0);
-
- if (free_tx_pages-- == TX_PAGES) { /* No transmission going on */
- dev->trans_start = jiffies;
- netif_start_queue(dev); /* allow more packets into adapter */
- /* Send page and generate a faked interrupt */
- de600_setup_address(transmit_from, TX_ADDR);
- de600_put_command(TX_ENABLE);
- }
- else {
- if (free_tx_pages)
- netif_start_queue(dev);
- else
- netif_stop_queue(dev);
- select_prn();
- }
- spin_unlock_irqrestore(&de600_lock, flags);
- dev_kfree_skb(skb);
- return NETDEV_TX_OK;
-}
-
-/*
- * The typical workload of the driver:
- * Handle the network interface interrupts.
- */
-
-static irqreturn_t de600_interrupt(int irq, void *dev_id)
-{
- struct net_device *dev = dev_id;
- u8 irq_status;
- int retrig = 0;
- int boguscount = 0;
-
- spin_lock(&de600_lock);
-
- select_nic();
- irq_status = de600_read_status(dev);
-
- do {
- pr_debug("de600_interrupt (%02X)\n", irq_status);
-
- if (irq_status & RX_GOOD)
- de600_rx_intr(dev);
- else if (!(irq_status & RX_BUSY))
- de600_put_command(RX_ENABLE);
-
- /* Any transmission in progress? */
- if (free_tx_pages < TX_PAGES)
- retrig = de600_tx_intr(dev, irq_status);
- else
- retrig = 0;
-
- irq_status = de600_read_status(dev);
- } while ( (irq_status & RX_GOOD) || ((++boguscount < 100) && retrig) );
- /*
- * Yeah, it _looks_ like busy waiting, smells like busy waiting
- * and I know it's not PC, but please, it will only occur once
- * in a while and then only for a loop or so (< 1ms for sure!)
- */
-
- /* Enable adapter interrupts */
- select_prn();
- if (retrig)
- trigger_interrupt(dev);
- spin_unlock(&de600_lock);
- return IRQ_HANDLED;
-}
-
-static int de600_tx_intr(struct net_device *dev, int irq_status)
-{
- /*
- * Returns 1 if tx still not done
- */
-
- /* Check if current transmission is done yet */
- if (irq_status & TX_BUSY)
- return 1; /* tx not done, try again */
-
- /* else */
- /* If last transmission OK then bump fifo index */
- if (!(irq_status & TX_FAILED16)) {
- tx_fifo_out = (tx_fifo_out + 1) % TX_PAGES;
- ++free_tx_pages;
- dev->stats.tx_packets++;
- netif_wake_queue(dev);
- }
-
- /* More to send, or resend last packet? */
- if ((free_tx_pages < TX_PAGES) || (irq_status & TX_FAILED16)) {
- dev->trans_start = jiffies;
- de600_setup_address(tx_fifo[tx_fifo_out], TX_ADDR);
- de600_put_command(TX_ENABLE);
- return 1;
- }
- /* else */
-
- return 0;
-}
-
-/*
- * We have a good packet, get it out of the adapter.
- */
-static void de600_rx_intr(struct net_device *dev)
-{
- struct sk_buff *skb;
- int i;
- int read_from;
- int size;
- unsigned char *buffer;
-
- /* Get size of received packet */
- size = de600_read_byte(RX_LEN, dev); /* low byte */
- size += (de600_read_byte(RX_LEN, dev) << 8); /* high byte */
- size -= 4; /* Ignore trailing 4 CRC-bytes */
-
- /* Tell adapter where to store next incoming packet, enable receiver */
- read_from = rx_page_adr();
- next_rx_page();
- de600_put_command(RX_ENABLE);
-
- if ((size < 32) || (size > 1535)) {
- printk(KERN_WARNING "%s: Bogus packet size %d.\n", dev->name, size);
- if (size > 10000)
- adapter_init(dev);
- return;
- }
-
- skb = netdev_alloc_skb(dev, size + 2);
- if (skb == NULL) {
- printk("%s: Couldn't allocate a sk_buff of size %d.\n", dev->name, size);
- return;
- }
- /* else */
-
- skb_reserve(skb,2); /* Align */
-
- /* 'skb->data' points to the start of sk_buff data area. */
- buffer = skb_put(skb,size);
-
- /* copy the packet into the buffer */
- de600_setup_address(read_from, RW_ADDR);
- for (i = size; i > 0; --i, ++buffer)
- *buffer = de600_read_byte(READ_DATA, dev);
-
- skb->protocol=eth_type_trans(skb,dev);
-
- netif_rx(skb);
-
- /* update stats */
- dev->stats.rx_packets++; /* count all receives */
- dev->stats.rx_bytes += size; /* count all received bytes */
-
- /*
- * If any worth-while packets have been received, netif_rx()
- * will work on them when we get to the tasklets.
- */
-}
-
-static const struct net_device_ops de600_netdev_ops = {
- .ndo_open = de600_open,
- .ndo_stop = de600_close,
- .ndo_start_xmit = de600_start_xmit,
- .ndo_change_mtu = eth_change_mtu,
- .ndo_set_mac_address = eth_mac_addr,
- .ndo_validate_addr = eth_validate_addr,
-};
-
-
-static struct net_device * __init de600_probe(void)
-{
- int i;
- struct net_device *dev;
- int err;
-
- dev = alloc_etherdev(0);
- if (!dev)
- return ERR_PTR(-ENOMEM);
-
-
- if (!request_region(DE600_IO, 3, "de600")) {
- printk(KERN_WARNING "DE600: port 0x%x busy\n", DE600_IO);
- err = -EBUSY;
- goto out;
- }
-
- printk(KERN_INFO "%s: D-Link DE-600 pocket adapter", dev->name);
- /* Alpha testers must have the version number to report bugs. */
- pr_debug("%s", version);
-
- /* probe for adapter */
- err = -ENODEV;
- rx_page = 0;
- select_nic();
- (void)de600_read_status(dev);
- de600_put_command(RESET);
- de600_put_command(STOP_RESET);
- if (de600_read_status(dev) & 0xf0) {
- printk(": not at I/O %#3x.\n", DATA_PORT);
- goto out1;
- }
-
- /*
- * Maybe we found one,
- * have to check if it is a D-Link DE-600 adapter...
- */
-
- /* Get the adapter ethernet address from the ROM */
- de600_setup_address(NODE_ADDRESS, RW_ADDR);
- for (i = 0; i < ETH_ALEN; i++) {
- dev->dev_addr[i] = de600_read_byte(READ_DATA, dev);
- dev->broadcast[i] = 0xff;
- }
-
- /* Check magic code */
- if ((dev->dev_addr[1] == 0xde) && (dev->dev_addr[2] == 0x15)) {
- /* OK, install real address */
- dev->dev_addr[0] = 0x00;
- dev->dev_addr[1] = 0x80;
- dev->dev_addr[2] = 0xc8;
- dev->dev_addr[3] &= 0x0f;
- dev->dev_addr[3] |= 0x70;
- } else {
- printk(" not identified in the printer port\n");
- goto out1;
- }
-
- printk(", Ethernet Address: %pM\n", dev->dev_addr);
-
- dev->netdev_ops = &de600_netdev_ops;
-
- dev->flags&=~IFF_MULTICAST;
-
- select_prn();
-
- err = register_netdev(dev);
- if (err)
- goto out1;
-
- return dev;
-
-out1:
- release_region(DE600_IO, 3);
-out:
- free_netdev(dev);
- return ERR_PTR(err);
-}
-
-static int adapter_init(struct net_device *dev)
-{
- int i;
-
- select_nic();
- rx_page = 0; /* used by RESET */
- de600_put_command(RESET);
- de600_put_command(STOP_RESET);
-
- /* Check if it is still there... */
- /* Get the some bytes of the adapter ethernet address from the ROM */
- de600_setup_address(NODE_ADDRESS, RW_ADDR);
- de600_read_byte(READ_DATA, dev);
- if ((de600_read_byte(READ_DATA, dev) != 0xde) ||
- (de600_read_byte(READ_DATA, dev) != 0x15)) {
- /* was: if (de600_read_status(dev) & 0xf0) { */
- printk("Something has happened to the DE-600! Please check it and do a new ifconfig!\n");
- /* Goodbye, cruel world... */
- dev->flags &= ~IFF_UP;
- de600_close(dev);
- was_down = 1;
- netif_stop_queue(dev); /* Transmit busy... */
- return 1; /* failed */
- }
-
- if (was_down) {
- printk(KERN_INFO "%s: Thanks, I feel much better now!\n", dev->name);
- was_down = 0;
- }
-
- tx_fifo_in = 0;
- tx_fifo_out = 0;
- free_tx_pages = TX_PAGES;
-
-
- /* set the ether address. */
- de600_setup_address(NODE_ADDRESS, RW_ADDR);
- for (i = 0; i < ETH_ALEN; i++)
- de600_put_byte(dev->dev_addr[i]);
-
- /* where to start saving incoming packets */
- rx_page = RX_BP | RX_BASE_PAGE;
- de600_setup_address(MEM_4K, RW_ADDR);
- /* Enable receiver */
- de600_put_command(RX_ENABLE);
- select_prn();
-
- netif_start_queue(dev);
-
- return 0; /* OK */
-}
-
-static struct net_device *de600_dev;
-
-static int __init de600_init(void)
-{
- de600_dev = de600_probe();
- if (IS_ERR(de600_dev))
- return PTR_ERR(de600_dev);
- return 0;
-}
-
-static void __exit de600_exit(void)
-{
- unregister_netdev(de600_dev);
- release_region(DE600_IO, 3);
- free_netdev(de600_dev);
-}
-
-module_init(de600_init);
-module_exit(de600_exit);
-
-MODULE_LICENSE("GPL");