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authorMark Einon <mark.einon@gmail.com>2011-10-20 01:18:30 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2011-10-23 10:03:40 +0200
commitd2796743cba2d30f018e10288effce53fbd53fbe (patch)
treee2a9ddf8346fc3af57a9f81d0bf722075bac576b /drivers/staging/et131x/et131x_netdev.c
parentstaging:iio:dac:ad5686: Check for negative values (diff)
downloadlinux-dev-d2796743cba2d30f018e10288effce53fbd53fbe.tar.xz
linux-dev-d2796743cba2d30f018e10288effce53fbd53fbe.zip
staging: et131x: Put all .c files into one big file
Created one big .c file for the driver, moving the contents of all driver .c files into it. Signed-off-by: Mark Einon <mark.einon@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/et131x/et131x_netdev.c')
-rw-r--r--drivers/staging/et131x/et131x_netdev.c662
1 files changed, 0 insertions, 662 deletions
diff --git a/drivers/staging/et131x/et131x_netdev.c b/drivers/staging/et131x/et131x_netdev.c
deleted file mode 100644
index 62070cff76f1..000000000000
--- a/drivers/staging/et131x/et131x_netdev.c
+++ /dev/null
@@ -1,662 +0,0 @@
-/*
- * Agere Systems Inc.
- * 10/100/1000 Base-T Ethernet Driver for the ET1310 and ET131x series MACs
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- * http://www.agere.com
- *
- * Copyright (c) 2011 Mark Einon <mark.einon@gmail.com>
- *
- *------------------------------------------------------------------------------
- *
- * et131x_netdev.c - Routines and data required by all Linux network devices.
- *
- *------------------------------------------------------------------------------
- *
- * SOFTWARE LICENSE
- *
- * This software is provided subject to the following terms and conditions,
- * which you should read carefully before using the software. Using this
- * software indicates your acceptance of these terms and conditions. If you do
- * not agree with these terms and conditions, do not use the software.
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *
- * Redistribution and use in source or binary forms, with or without
- * modifications, are permitted provided that the following conditions are met:
- *
- * . Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following Disclaimer as comments in the code as
- * well as in the documentation and/or other materials provided with the
- * distribution.
- *
- * . Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following Disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * . Neither the name of Agere Systems Inc. nor the names of the contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * Disclaimer
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY
- * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
- * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- */
-
-#include "et131x_defs.h"
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-
-#include <linux/sched.h>
-#include <linux/ptrace.h>
-#include <linux/ctype.h>
-#include <linux/string.h>
-#include <linux/timer.h>
-#include <linux/interrupt.h>
-#include <linux/in.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/bitops.h>
-#include <linux/pci.h>
-#include <asm/system.h>
-
-#include <linux/mii.h>
-#include <linux/netdevice.h>
-#include <linux/etherdevice.h>
-#include <linux/skbuff.h>
-#include <linux/if_arp.h>
-#include <linux/ioport.h>
-#include <linux/phy.h>
-
-#include "et1310_phy.h"
-#include "et1310_tx.h"
-#include "et131x_adapter.h"
-#include "et131x.h"
-
-/**
- * et131x_stats - Return the current device statistics.
- * @netdev: device whose stats are being queried
- *
- * Returns 0 on success, errno on failure (as defined in errno.h)
- */
-static struct net_device_stats *et131x_stats(struct net_device *netdev)
-{
- struct et131x_adapter *adapter = netdev_priv(netdev);
- struct net_device_stats *stats = &adapter->net_stats;
- struct ce_stats *devstat = &adapter->stats;
-
- stats->rx_errors = devstat->rx_length_errs +
- devstat->rx_align_errs +
- devstat->rx_crc_errs +
- devstat->rx_code_violations +
- devstat->rx_other_errs;
- stats->tx_errors = devstat->tx_max_pkt_errs;
- stats->multicast = devstat->multicast_pkts_rcvd;
- stats->collisions = devstat->tx_collisions;
-
- stats->rx_length_errors = devstat->rx_length_errs;
- stats->rx_over_errors = devstat->rx_overflows;
- stats->rx_crc_errors = devstat->rx_crc_errs;
-
- /* NOTE: These stats don't have corresponding values in CE_STATS,
- * so we're going to have to update these directly from within the
- * TX/RX code
- */
- /* stats->rx_bytes = 20; devstat->; */
- /* stats->tx_bytes = 20; devstat->; */
- /* stats->rx_dropped = devstat->; */
- /* stats->tx_dropped = devstat->; */
-
- /* NOTE: Not used, can't find analogous statistics */
- /* stats->rx_frame_errors = devstat->; */
- /* stats->rx_fifo_errors = devstat->; */
- /* stats->rx_missed_errors = devstat->; */
-
- /* stats->tx_aborted_errors = devstat->; */
- /* stats->tx_carrier_errors = devstat->; */
- /* stats->tx_fifo_errors = devstat->; */
- /* stats->tx_heartbeat_errors = devstat->; */
- /* stats->tx_window_errors = devstat->; */
- return stats;
-}
-
-/**
- * et131x_enable_txrx - Enable tx/rx queues
- * @netdev: device to be enabled
- */
-void et131x_enable_txrx(struct net_device *netdev)
-{
- struct et131x_adapter *adapter = netdev_priv(netdev);
-
- /* Enable the Tx and Rx DMA engines (if not already enabled) */
- et131x_rx_dma_enable(adapter);
- et131x_tx_dma_enable(adapter);
-
- /* Enable device interrupts */
- if (adapter->flags & fMP_ADAPTER_INTERRUPT_IN_USE)
- et131x_enable_interrupts(adapter);
-
- /* We're ready to move some data, so start the queue */
- netif_start_queue(netdev);
-}
-
-/**
- * et131x_disable_txrx - Disable tx/rx queues
- * @netdev: device to be disabled
- */
-void et131x_disable_txrx(struct net_device *netdev)
-{
- struct et131x_adapter *adapter = netdev_priv(netdev);
-
- /* First thing is to stop the queue */
- netif_stop_queue(netdev);
-
- /* Stop the Tx and Rx DMA engines */
- et131x_rx_dma_disable(adapter);
- et131x_tx_dma_disable(adapter);
-
- /* Disable device interrupts */
- et131x_disable_interrupts(adapter);
-}
-
-/**
- * et131x_up - Bring up a device for use.
- * @netdev: device to be opened
- */
-void et131x_up(struct net_device *netdev)
-{
- struct et131x_adapter *adapter = netdev_priv(netdev);
-
- et131x_enable_txrx(netdev);
- phy_start(adapter->phydev);
-}
-
-/**
- * et131x_open - Open the device for use.
- * @netdev: device to be opened
- *
- * Returns 0 on success, errno on failure (as defined in errno.h)
- */
-int et131x_open(struct net_device *netdev)
-{
- int result = 0;
- struct et131x_adapter *adapter = netdev_priv(netdev);
-
- /* Start the timer to track NIC errors */
- init_timer(&adapter->error_timer);
- adapter->error_timer.expires = jiffies + TX_ERROR_PERIOD * HZ / 1000;
- adapter->error_timer.function = et131x_error_timer_handler;
- adapter->error_timer.data = (unsigned long)adapter;
- add_timer(&adapter->error_timer);
-
- /* Register our IRQ */
- result = request_irq(netdev->irq, et131x_isr, IRQF_SHARED,
- netdev->name, netdev);
- if (result) {
- dev_err(&adapter->pdev->dev, "could not register IRQ %d\n",
- netdev->irq);
- return result;
- }
-
- adapter->flags |= fMP_ADAPTER_INTERRUPT_IN_USE;
-
- et131x_up(netdev);
-
- return result;
-}
-
-/**
- * et131x_down - Bring down the device
- * @netdev: device to be broght down
- */
-void et131x_down(struct net_device *netdev)
-{
- struct et131x_adapter *adapter = netdev_priv(netdev);
-
- /* Save the timestamp for the TX watchdog, prevent a timeout */
- netdev->trans_start = jiffies;
-
- phy_stop(adapter->phydev);
- et131x_disable_txrx(netdev);
-}
-
-/**
- * et131x_close - Close the device
- * @netdev: device to be closed
- *
- * Returns 0 on success, errno on failure (as defined in errno.h)
- */
-int et131x_close(struct net_device *netdev)
-{
- struct et131x_adapter *adapter = netdev_priv(netdev);
-
- et131x_down(netdev);
-
- adapter->flags &= ~fMP_ADAPTER_INTERRUPT_IN_USE;
- free_irq(netdev->irq, netdev);
-
- /* Stop the error timer */
- return del_timer_sync(&adapter->error_timer);
-}
-
-/**
- * et131x_ioctl - The I/O Control handler for the driver
- * @netdev: device on which the control request is being made
- * @reqbuf: a pointer to the IOCTL request buffer
- * @cmd: the IOCTL command code
- *
- * Returns 0 on success, errno on failure (as defined in errno.h)
- */
-static int et131x_ioctl(struct net_device *netdev, struct ifreq *reqbuf, int cmd)
-{
- struct et131x_adapter *adapter = netdev_priv(netdev);
-
- if (!adapter->phydev)
- return -EINVAL;
-
- return phy_mii_ioctl(adapter->phydev, reqbuf, cmd);
-}
-
-/**
- * et131x_set_packet_filter - Configures the Rx Packet filtering on the device
- * @adapter: pointer to our private adapter structure
- *
- * FIXME: lot of dups with MAC code
- *
- * Returns 0 on success, errno on failure
- */
-static int et131x_set_packet_filter(struct et131x_adapter *adapter)
-{
- int status = 0;
- uint32_t filter = adapter->packet_filter;
- u32 ctrl;
- u32 pf_ctrl;
-
- ctrl = readl(&adapter->regs->rxmac.ctrl);
- pf_ctrl = readl(&adapter->regs->rxmac.pf_ctrl);
-
- /* Default to disabled packet filtering. Enable it in the individual
- * case statements that require the device to filter something
- */
- ctrl |= 0x04;
-
- /* Set us to be in promiscuous mode so we receive everything, this
- * is also true when we get a packet filter of 0
- */
- if ((filter & ET131X_PACKET_TYPE_PROMISCUOUS) || filter == 0)
- pf_ctrl &= ~7; /* Clear filter bits */
- else {
- /*
- * Set us up with Multicast packet filtering. Three cases are
- * possible - (1) we have a multi-cast list, (2) we receive ALL
- * multicast entries or (3) we receive none.
- */
- if (filter & ET131X_PACKET_TYPE_ALL_MULTICAST)
- pf_ctrl &= ~2; /* Multicast filter bit */
- else {
- et1310_setup_device_for_multicast(adapter);
- pf_ctrl |= 2;
- ctrl &= ~0x04;
- }
-
- /* Set us up with Unicast packet filtering */
- if (filter & ET131X_PACKET_TYPE_DIRECTED) {
- et1310_setup_device_for_unicast(adapter);
- pf_ctrl |= 4;
- ctrl &= ~0x04;
- }
-
- /* Set us up with Broadcast packet filtering */
- if (filter & ET131X_PACKET_TYPE_BROADCAST) {
- pf_ctrl |= 1; /* Broadcast filter bit */
- ctrl &= ~0x04;
- } else
- pf_ctrl &= ~1;
-
- /* Setup the receive mac configuration registers - Packet
- * Filter control + the enable / disable for packet filter
- * in the control reg.
- */
- writel(pf_ctrl, &adapter->regs->rxmac.pf_ctrl);
- writel(ctrl, &adapter->regs->rxmac.ctrl);
- }
- return status;
-}
-
-/**
- * et131x_multicast - The handler to configure multicasting on the interface
- * @netdev: a pointer to a net_device struct representing the device
- */
-static void et131x_multicast(struct net_device *netdev)
-{
- struct et131x_adapter *adapter = netdev_priv(netdev);
- uint32_t packet_filter = 0;
- unsigned long flags;
- struct netdev_hw_addr *ha;
- int i;
-
- spin_lock_irqsave(&adapter->lock, flags);
-
- /* Before we modify the platform-independent filter flags, store them
- * locally. This allows us to determine if anything's changed and if
- * we even need to bother the hardware
- */
- packet_filter = adapter->packet_filter;
-
- /* Clear the 'multicast' flag locally; because we only have a single
- * flag to check multicast, and multiple multicast addresses can be
- * set, this is the easiest way to determine if more than one
- * multicast address is being set.
- */
- packet_filter &= ~ET131X_PACKET_TYPE_MULTICAST;
-
- /* Check the net_device flags and set the device independent flags
- * accordingly
- */
-
- if (netdev->flags & IFF_PROMISC)
- adapter->packet_filter |= ET131X_PACKET_TYPE_PROMISCUOUS;
- else
- adapter->packet_filter &= ~ET131X_PACKET_TYPE_PROMISCUOUS;
-
- if (netdev->flags & IFF_ALLMULTI)
- adapter->packet_filter |= ET131X_PACKET_TYPE_ALL_MULTICAST;
-
- if (netdev_mc_count(netdev) > NIC_MAX_MCAST_LIST)
- adapter->packet_filter |= ET131X_PACKET_TYPE_ALL_MULTICAST;
-
- if (netdev_mc_count(netdev) < 1) {
- adapter->packet_filter &= ~ET131X_PACKET_TYPE_ALL_MULTICAST;
- adapter->packet_filter &= ~ET131X_PACKET_TYPE_MULTICAST;
- } else
- adapter->packet_filter |= ET131X_PACKET_TYPE_MULTICAST;
-
- /* Set values in the private adapter struct */
- i = 0;
- netdev_for_each_mc_addr(ha, netdev) {
- if (i == NIC_MAX_MCAST_LIST)
- break;
- memcpy(adapter->multicast_list[i++], ha->addr, ETH_ALEN);
- }
- adapter->multicast_addr_count = i;
-
- /* Are the new flags different from the previous ones? If not, then no
- * action is required
- *
- * NOTE - This block will always update the multicast_list with the
- * hardware, even if the addresses aren't the same.
- */
- if (packet_filter != adapter->packet_filter) {
- /* Call the device's filter function */
- et131x_set_packet_filter(adapter);
- }
- spin_unlock_irqrestore(&adapter->lock, flags);
-}
-
-/**
- * et131x_tx - The handler to tx a packet on the device
- * @skb: data to be Tx'd
- * @netdev: device on which data is to be Tx'd
- *
- * Returns 0 on success, errno on failure (as defined in errno.h)
- */
-static int et131x_tx(struct sk_buff *skb, struct net_device *netdev)
-{
- int status = 0;
-
- /* Save the timestamp for the TX timeout watchdog */
- netdev->trans_start = jiffies;
-
- /* Call the device-specific data Tx routine */
- status = et131x_send_packets(skb, netdev);
-
- /* Check status and manage the netif queue if necessary */
- if (status != 0) {
- if (status == -ENOMEM) {
- /* Put the queue to sleep until resources are
- * available
- */
- netif_stop_queue(netdev);
- status = NETDEV_TX_BUSY;
- } else {
- status = NETDEV_TX_OK;
- }
- }
- return status;
-}
-
-/**
- * et131x_tx_timeout - Timeout handler
- * @netdev: a pointer to a net_device struct representing the device
- *
- * The handler called when a Tx request times out. The timeout period is
- * specified by the 'tx_timeo" element in the net_device structure (see
- * et131x_alloc_device() to see how this value is set).
- */
-static void et131x_tx_timeout(struct net_device *netdev)
-{
- struct et131x_adapter *adapter = netdev_priv(netdev);
- struct tcb *tcb;
- unsigned long flags;
-
- /* If the device is closed, ignore the timeout */
- if (~(adapter->flags & fMP_ADAPTER_INTERRUPT_IN_USE))
- return;
-
- /* Any nonrecoverable hardware error?
- * Checks adapter->flags for any failure in phy reading
- */
- if (adapter->flags & fMP_ADAPTER_NON_RECOVER_ERROR)
- return;
-
- /* Hardware failure? */
- if (adapter->flags & fMP_ADAPTER_HARDWARE_ERROR) {
- dev_err(&adapter->pdev->dev, "hardware error - reset\n");
- return;
- }
-
- /* Is send stuck? */
- spin_lock_irqsave(&adapter->tcb_send_qlock, flags);
-
- tcb = adapter->tx_ring.send_head;
-
- if (tcb != NULL) {
- tcb->count++;
-
- if (tcb->count > NIC_SEND_HANG_THRESHOLD) {
- spin_unlock_irqrestore(&adapter->tcb_send_qlock,
- flags);
-
- dev_warn(&adapter->pdev->dev,
- "Send stuck - reset. tcb->WrIndex %x, flags 0x%08x\n",
- tcb->index,
- tcb->flags);
-
- adapter->net_stats.tx_errors++;
-
- /* perform reset of tx/rx */
- et131x_disable_txrx(netdev);
- et131x_enable_txrx(netdev);
- return;
- }
- }
-
- spin_unlock_irqrestore(&adapter->tcb_send_qlock, flags);
-}
-
-/**
- * et131x_change_mtu - The handler called to change the MTU for the device
- * @netdev: device whose MTU is to be changed
- * @new_mtu: the desired MTU
- *
- * Returns 0 on success, errno on failure (as defined in errno.h)
- */
-static int et131x_change_mtu(struct net_device *netdev, int new_mtu)
-{
- int result = 0;
- struct et131x_adapter *adapter = netdev_priv(netdev);
-
- /* Make sure the requested MTU is valid */
- if (new_mtu < 64 || new_mtu > 9216)
- return -EINVAL;
-
- et131x_disable_txrx(netdev);
- et131x_handle_send_interrupt(adapter);
- et131x_handle_recv_interrupt(adapter);
-
- /* Set the new MTU */
- netdev->mtu = new_mtu;
-
- /* Free Rx DMA memory */
- et131x_adapter_memory_free(adapter);
-
- /* Set the config parameter for Jumbo Packet support */
- adapter->registry_jumbo_packet = new_mtu + 14;
- et131x_soft_reset(adapter);
-
- /* Alloc and init Rx DMA memory */
- result = et131x_adapter_memory_alloc(adapter);
- if (result != 0) {
- dev_warn(&adapter->pdev->dev,
- "Change MTU failed; couldn't re-alloc DMA memory\n");
- return result;
- }
-
- et131x_init_send(adapter);
-
- et131x_hwaddr_init(adapter);
- memcpy(netdev->dev_addr, adapter->addr, ETH_ALEN);
-
- /* Init the device with the new settings */
- et131x_adapter_setup(adapter);
-
- et131x_enable_txrx(netdev);
-
- return result;
-}
-
-/**
- * et131x_set_mac_addr - handler to change the MAC address for the device
- * @netdev: device whose MAC is to be changed
- * @new_mac: the desired MAC address
- *
- * Returns 0 on success, errno on failure (as defined in errno.h)
- *
- * IMPLEMENTED BY : blux http://berndlux.de 22.01.2007 21:14
- */
-static int et131x_set_mac_addr(struct net_device *netdev, void *new_mac)
-{
- int result = 0;
- struct et131x_adapter *adapter = netdev_priv(netdev);
- struct sockaddr *address = new_mac;
-
- /* begin blux */
-
- if (adapter == NULL)
- return -ENODEV;
-
- /* Make sure the requested MAC is valid */
- if (!is_valid_ether_addr(address->sa_data))
- return -EINVAL;
-
- et131x_disable_txrx(netdev);
- et131x_handle_send_interrupt(adapter);
- et131x_handle_recv_interrupt(adapter);
-
- /* Set the new MAC */
- /* netdev->set_mac_address = &new_mac; */
-
- memcpy(netdev->dev_addr, address->sa_data, netdev->addr_len);
-
- printk(KERN_INFO "%s: Setting MAC address to %pM\n",
- netdev->name, netdev->dev_addr);
-
- /* Free Rx DMA memory */
- et131x_adapter_memory_free(adapter);
-
- et131x_soft_reset(adapter);
-
- /* Alloc and init Rx DMA memory */
- result = et131x_adapter_memory_alloc(adapter);
- if (result != 0) {
- dev_err(&adapter->pdev->dev,
- "Change MAC failed; couldn't re-alloc DMA memory\n");
- return result;
- }
-
- et131x_init_send(adapter);
-
- et131x_hwaddr_init(adapter);
-
- /* Init the device with the new settings */
- et131x_adapter_setup(adapter);
-
- et131x_enable_txrx(netdev);
-
- return result;
-}
-
-static const struct net_device_ops et131x_netdev_ops = {
- .ndo_open = et131x_open,
- .ndo_stop = et131x_close,
- .ndo_start_xmit = et131x_tx,
- .ndo_set_multicast_list = et131x_multicast,
- .ndo_tx_timeout = et131x_tx_timeout,
- .ndo_change_mtu = et131x_change_mtu,
- .ndo_set_mac_address = et131x_set_mac_addr,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_get_stats = et131x_stats,
- .ndo_do_ioctl = et131x_ioctl,
-};
-
-/**
- * et131x_device_alloc
- *
- * Returns pointer to the allocated and initialized net_device struct for
- * this device.
- *
- * Create instances of net_device and wl_private for the new adapter and
- * register the device's entry points in the net_device structure.
- */
-struct net_device *et131x_device_alloc(void)
-{
- struct net_device *netdev;
-
- /* Alloc net_device and adapter structs */
- netdev = alloc_etherdev(sizeof(struct et131x_adapter));
-
- if (!netdev) {
- printk(KERN_ERR "et131x: Alloc of net_device struct failed\n");
- return NULL;
- }
-
- /*
- * Setup the function registration table (and other data) for a
- * net_device
- */
- netdev->watchdog_timeo = ET131X_TX_TIMEOUT;
- netdev->netdev_ops = &et131x_netdev_ops;
-
- /* Poll? */
- /* netdev->poll = &et131x_poll; */
- /* netdev->poll_controller = &et131x_poll_controller; */
- return netdev;
-}
-